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Home My WebLink About201-189 ) ) Image Project Well History File Cover Page XHVZE This page identifies those items that were not scanned during the initial production scanning phase. They are available in the original file, may be scanned during a special rescan activity or are viewable by direct inspection of the file. 61 Q L - L g 1 Well History File Identifier Organizing (clone) 0 Two-sided 1111111111111111111 ~can Needed 1111111111111111111 RESCAN ~Ior Items: 0 Greyscale Items: DIGITAL DATA OVERSIZED (Scannable) 0 Maps: 0 Diskettes, No. D Other, No/Type: 0 Other Items Scannable by a Large Scanner [] Poor Quality Originals: OVERSIZED (Non-Scannable) 0 Other: 0 Logs of various kinds: NOTES: BY: Helen Maria 0 Other:1 . Date ¡rim 1II111i/llllj¡f Date I / 0 ~ Isl 141~ BY: Helen ~ Project Proofing Scanning Preparation ~r; x 30 = , r:t)Q + a, ~ = TOTAL PAGES IZL/- ,Count do 15 not i~clude cover she t) fllA-.0 Date: / I () OS Isl f'I I 1111111111111111111 BY: Helen Maria Production Scanning Stage 1 Page Count from Scanned File: I 7 S (Count does include cover sheet) Page Count Matches Number in Scanning Preparation: V YES Hele~ Date ¡I/o/tV If NO in stage 1 page(s) discrepancies were found: YES NO BY: NO ..0 Isl 1M. Stage 1 BY: Helen Maria Date: Isl Scanning is complete at this point unless rescanning is required. I11III1II1111111111 ReScanned 11111111111 ¡ 1II1III BY: Helen Maria Date: Isl Comments about this file: Quality Checked 1111111111111111111 8/24/2004 Well History File Cover Page.doc UNSCANNED, OVERSIZED MATERIALS AVAILABLE: 2 (8 9 FILE # - alb T v.I6 To request any /all of the above information, please contact: Alaska Oil & Gas Conservation Commission t 333 W. 7th Ave., Ste. 100 Anchorage, Alaska 99501 Voice (907) 279 -1433 Fax (907) 276 -7542 e e MICROFILMED 07/25/06 DO NOT PLACE ANY NEW MATERIAL UNDER THIS PAGE F:\LaserFicbe\CvrPgs _ Inserts\Microfilm _ Marker.doc 3~.~..~i DATA SUBMITTAL COMPLIANCE REPORT 2/26/2004 Permit to Drill 2011890 Well Name/No. TRADING BAY ST A-15RD MD 12428"'/ ----"------- ~'------'-~'-----~'_.------ TVD 9830 REQUIRED INFORMATION --------------_._-~---- -~--<-_.-~---~_. -~._------~-~---- DATA INFORMATION Types Electric or Other Logs Run: Well Log Information: Log/ Electr Data Digital Dataset Type Med/Frmt Number Name ~-c----- ~4 See Notes Log. Log Log Log Log Log Log L~ -fD C Pds --t:ó'g ~ Log'" Pds .---.---.---------- Completion Date 2/1/2002 ,..-- Mud Log No -aéñsity cJ.Rduction/Resistivity Lk1ðúction/Resistivity ~amma Ray ~eutron r ~utron ¡""Gamma Ray ........oe n s ity l!P 15 Completion ~ 5 Completion ~ort: Final Well R ~d Log Well Cores/Samples Information: Name ,V~~ ~ f""l)~ Interval Start Stop Operator UNION OIL CO OF CALIFORNIA Completion Status P&A Samples No Log Log Run Scale Media No 1 25 Blu 25 Blu 25 Blu 25 Blu 25 Blu 25 Blu 25 Blu 25 Blu 5 5 BM 2 Blu Sent Received Current Status P&A 5pJ ~~ API No. 50-733-20105-01-00 UIC N Directional Survey Yes (data taken from Logs Portion of Master Well Data Maint) Interval OH/ '--'" Start Stop CH Received Comments 1105 12378 Open 5/6/2002 Formation Evaluation Logs and Surveys 1105 12378 Open 5/6/2002 1105 12378 Open 5/6/2002 1105 12378 Open 5/6/2002 1105 12378 Open 5/6/2002 1105 12378 Open 5/6/2002 1105 12378 Open 5/6/2002 1105 12378 Open 5/6/2002 1105 12378 Open 5/6/2002 11750 12550 Case 6/20/2003 11750 12550 Case 6/20/2003 0 0 Case 7/24/2002 Cpt-fA 1074 12428 Gåæ" 7/24/2002 Sample Set Number Comments 2 1/2" HSD Power Jet 2506, HMX - Completion Report 2 1/2" HSD Power Jet 2506, HMX - Completion Report Also includes Report for 202-019, 202-048 & 202- 063. Report is located in Well History file 202-063. Formation Log ~ Permit to Drill 2011890 MD 12428 TVD 9830 ADDITIONAL INFORMATION y~ Well Cored? Chips Received? . Y I N ;tIN Analysis Received? Comments: --~-------~--_.._-"------~--~---~ -~_.__.'--~..._-~--~-------~ --~_._---_.~-_.---~--- ---~---+._----~ Compliance Reviewed By: DATA SUBMITTAL COMPLIANCE REPORT 2/26/2004 Well Name/No. TRADING BAY ST A-15RD Operator UNION OIL CO OF CALIFORNIA Completion Date 2/1/2002 Completion Status P&A Current Status P&A Daily History Received? flJ/N ~/N Formation Tops ~ J Date: API No. 50-733-20105-01-00 UIC N '~;' Lf ~ Ãl\-O '( ~ ) Unocal Alaska 909 w. 9th Avenue Anchorage, AK 99501 Te1e: (907) 263-7651 Fax: (907) 263-7828 E-mail: harrisonb@unoca1.com UNOCALEi Beverly Harrison Business Ventures Assistant 6/17/2003 To: AOGCC Lisa Weepie 333 W. 7th Ave. Ste#100 Anchorage, AK 99501 DATA TRANSMITTAL - .. .'I~" COMPLETION RECORD - 2.5" HSD ~J-/81 A-15RD POWER JET 2506 HMX 5 INCH 5/1/2003 11750-12550 \ ~1-D--fi--J AN-13RD2 RST SIGMA MODE 51NCH 5/22/2003 3400-4650 1'ó8-COLP AN-19 RST SIGMA MODE 51NCH 5/22/2003 3400-4650 ) ~Tia¡- AN-37 RST SIGMA MODE 51NCH 5/22/2003 31 00-4250 COMPLETION RECORD - 2$' HSD jc{). -C85 G-12RD3 POWER JET 6 SPF 51NCH 5/10/2003 12400-13610 21/2" HSD PWER JET 2506, HMX 31/2" dCblVi \C"GRINER-1 HALLIBURTON PLUG 51NCH 4/19/2003 250-1780 GRINER-1 CEMENT MAP 4/8/2002 113-614 TEMPERATURE SURVEY - CEMENT TOP KGSF-3 IDENTIFICATION PBMS 2 INCH 6/4/2003 3500-7020 COMPLETION REPORT - 2.5" HSD ~-ß M-5 POWER JET, 6 SPF 51NCH 4/16/2003 3600-3900 1.56" 1606 HMX, TUBING PUNCHER i97Œ1J(SRU223-28 COMPJETION RECORD 51NCH 5/25/2003 1580-5606 3.5 HALLIBURTON CAST IRON PLUG SRU 223-28 CEMENT DUMP BAILER 51NCH 5/24/2003 1662-5665 "~~If;;i¡~~i¡\!¡':'~. ,:::;~~,~fÌf;'~~~'~~ 2 1 ,~HS 1 (~\\1.. 1 ) 3 \ 3-\ 1 j~ J t3 tt) \ê).O 2 2 2 2 1 0 1 1 'ðULf 0 1 ,~\\~ 1 J8 J8!À 2 J\~1 ¡81¿B 1\~ NBII(c, 1 1 1~~\\czS h- l\ 1'~e\ - \ <-\ l - 0 l ~ -- \ C~ -- \ 3 \ ~ L-\ Please acknowledge receipt by signing and returning one copy of this traR'ÈëÉ1vED63-7828. Received BY~ ~\ ""fi ~.. n n":Ir.. "1-..., ¡"^^ Date: - ': \\U\..-~~~ ,,-y r' ~'-Y , '- JUN 2.0 2000 ~~'b\Y\'~ CQmml&fion Ancl1or!ìge ') Unocal Alaska 909 W. 9th Avenue Anchorage. AK 99501 Tele: (907) 263-7889 Fax: (907) 263-7828 E-mail: oudeand@unocal.com u C L ;..~.:: j..':~."~...:) 1\..7 \'.)'L,."~ E; Debra A. Oudean Technologist September 12, 2002 DATA TRANSMITTAL To: Bren Mciver Alaska Oil & Gas 333 W 7th Ave, #100 Anchorage,AK99501-3539 From: Debra A. Oudean Unocal Alaska 909 W. 9th Avenue I Anchorage, AK 99501 Transmitting data as follo\vs: Transmitting the following: Final Well Data CD Trading Bay Field A-15RD , A-15RD ST1, A-15RD ST1 L 1 A-15RD ST L 1 A CD Trading Bay Unit G-12RD 3 Unocal Corporation P.O. Box 196247 Anchorage, AK 99501 Telephone (907) 263 -7660 UNOCAL 7,77!') Tim Billingsley 8/21/2002 Drilling Engineer Alaska Oil and Gas Conservation Commission 333 West 7 Avenue Anchorage, Alaska 99501 � Attn: Tom Maunder a d Re: Report on Annulus Disposal Trading Bay Unit, Grayling Platform, Well Grayling G -22 Mr. Maunder: Enclosed is the final report on annulus disposal of A -29RD oil base mud (OBM) liquid waste into the G -22 annulus as required by the Sundry Application Approval #301 -304 dated November 6, 2001. Attached is the daily summary of disposal volumes in G -22 annulus while drilling at A -29RD. The following is the total volumes disposed in G -22 annulus by drilling well source. Well OBM, bbls Seawater Flush, bbls Total Bbls lq - tea G -15RD 1269 2160 3429 a:. -nix G -28RD 203 700 903 I - .. G -26RD 823 2155 2978 aol 1109 A -15RD • 1374 5067 6441 G -12RD3 366 1050 1416 ao- A -29RD • 856 1494 2350 Total 17517 This concludes all presently scheduled disposals into the G -22 annulus. If there are any questions, please contact myself at 263 -7659. Sincerely, r im Billingsley Drilling Engineer AOGCC G -22A -29RD waste annular disposal final report Created on 8/21/2002 10:13 AM l i Daily Injection Log of the 13 3/8" x 9 5/8" Annulus of G -22 Drilling Wastes From Monopod A -29RD Maximum Allowable Injection Pressure 2000 psi TVD 13 3/8" Casing Shoe Depth 4977' BBLS BBLS BBLS BBLS Date Slurry Flush Rate Injection Slurry Slurry Flush Total Total No No. BPM Pressure* PPG Volume Volume Slurry's Flushes 6/29/2002 1 2.0 1600 10.2 205 0 205 0 6/29/2002 2 2.0 1400 10.2 146 351 0 6/29/2002 3 1 2.0 1800 10.2 60 357 411 357 7/15/2002 2 2.0 1550 20 411 377 7/15/2002 4 2.0 1850 8.7 125 536 377 7/15/2002 3 2.0 1800 357 536 734 8/5/2002 4 2 1400 8.3 20 536 754 8/5/2002 5 2 1750 8.5 170 706 754 8/5/2002 5 2.5 1850 8.3 350 706 1104 8/10/2002 6 2 1500 8.3 20 706 1124 8/10/2002 6 2 1750 8.5 150 856 1124 8/10/2002 7 2.5 1850 8.3 370 856 1494 • *Injection pressure is the highest injection pressure observed while injecting ) Unocal Alaska 909 W. 9th Avenue Anchorage, AK 99501 Tele: (907) 263-7651 Fax: (907) 263-7828 E-mail: harrisonb@unoca1.com UNOCALi) Beverly Harrison Business Ventures Assistant July 23, 2002 To: AOGCC Lisa Weepie 333 W. 7th Ave. Ste#100 Anchorage, AK 99501 DATA TRANSMITTAL - Monopod Platfonn ,WELL LOG TYPE SCALE DATE INTERVAL CO MEDIUM o}-If~ A-15RD EPOCH FINAL WELL REPORT W/ FORMATION LOG 21NCH 12/6/2002 1074-12428 1 BINDER V ();).-Ol~ . A-15RD ST1 EPOCH FINAL WELL REPORT W/ FORMATION LOG 21NCH 12/6/2002 10430-13613 1 BINDER~... (}). A-15RD ST1L 1 EPOCH FINAL WELL REPORT W/ FORMATION LOG 21NCH 12/6/2002 12700-13730 1 BINDER ~ b;p,~ot.3 A-15RD ST1L 1A EPOCH FINAL WELL REPORT W/ FORMATION LOG 21NCH 12/6/2002 13245-15042 1 BINDER Rf r~\JFD JUL Z 4 2002 , í' ~ \Jomm\SSlo.O ÞJaSk& Wi ~ ûi:i::: '..,u \~, - AncnoraQÐ Please acknowledge receipt by signing and returning one copy of this transmittal or FAX to (907) 263-7828. Received B~ Ú. {h p..J Date: ~~~ {vì r~ • Unocal Corporation • P.O. Box196247 Anchorage, AK 99501 Telephone (907) 263 -7660 UNOCAL Jim Harrison 7/3/2002 Drilling Manager Alaska Oil and Gas Conservation Commission 333 West 7 Avenue a Anchorage, Alaska 99501 O a t 6 ` ' �� Attn: Tom Maunder 1 Re: Report on Annulus Disposal (\ Trading Bay Unit, Grayling Platform, \ ` Well Grayling G -22 Mr. Maunder: Enclosed is the final report on annulus disposal of G -12RD3 oil base mud (OBM) liquid waste into the G -22 annulus as required by the Sundry Application Approval #301 -304 dated November 6, 2001. Attached is the daily summary of disposal volumes in G -22 annulus while drilling at G- 12RD3. The following is the total volumes disposed in G -22 annulus by drilling well source. Well OBM, bbls Seawater Flush, bbls Total Bbls ‘A4r -cs S' G -15RD 1269 2160 3429 2c) _ e ar G -28RD 203 700 903 . ry,..pv,G G -26RD_ 823 2155 2978 1 A -15RD ) 1374 5067 6441 o2 -065 G -12RD3 r 0 _ 366 1050 1416 Total 15167 Unocal began disposing of drilling wastes from the A -29RD into the G -22 annulus on June 29, 2002. If there are any questions, please contact myself at 263 -7677 or Tim Billingsley at 263 -7659. Sincerely, _ ( /r. l/ q //' s em _1'[ J m Harrison � Drilling Manager 4 t r ii � 2 'p$$aa�� gs Ott ' ggee - v , ffa_' G.M43. Lo3 (,{5:ils,5`$itt nchor3ci? AOGCC G -22 G -12RD waste annular disposal final report RI Tim Billingsley Daily Injection Log of the 13 3/8" x 9 5/8" Annulus of G -22 Drilling Wastes From Grayling G -12RD3 Maximum Allowable Injection Pressure 2000 psi TVD 13 3/8" Casing Shoe Depth 4977' BBLS BBLS BBLS BBLS Date Slurry Flush Rate Injection Slurry Slurry Flush Total Total No No. BPM Pressure* PPG Volume Volume Slurry's Flushes 6/10/2002 1 1 3 1800 9.1 170 350 170 350 • 6/15/2002 2 2 2 1800 8.3 11 350 181 700 6/17/2002 3 3 2 1750 8.4 185 350 366 1050 *Injection pressure is the highest injection pressure observed while injecting ) Unocal Corporation P.O. Box 196247 Anchorage, AK 99501 Telephone (907) 263-7660 ) ao/-¡ ~I UNOCAL8 Dan Williamson Drilling Manager 5/8/2002 Alaska Oil and Gas Conservation Commission 333 West ¡th Avenue Anchorage, Alaska 99501 Attn: Tom Maunder Re: Report on Annulus Disposal Trading Bay Unit, Grayling Platform, Well Grayling G-22 Mr. Maunder: Enclosed is the final report on annulus disposal of A-15RD oil base mud (OBM) liquid waste into the G-22 annulus as required by the Sundry Application Approval #301-304 dated November 6, 2001.. Attached is the daily summary of disposal volumes in G-22 annulus while drilling at A-15RD. The following is the total volumes disposed in G-22 annulus by drilling well source. Well G-15RD G-28RD G-26RD A-15RD Total OBM, bbls 1269 203 823 1374 Seawater Flush, bbls 2160 700 2155 5067 Total Bbls 3429 903 2978 6441 13751 If there are any questions, please contact myself at 263-7677 or Tim Billingsley at 263-7659. ~:VdJ¡a Dan Williamson VL Drilling Manager ~ i""''¡;='¡-- ~~ /--- ~,,~.: "". £ r~ f\tll:i\!tU 0 9 2002 AOGCC G-22 Monopod waste annular disposal final report Tim Billingsley þJaska DH & Gas Cens, (;Off¡¡rUSSiUJ Ânchoraç¡e ) ,) Unocal Alaska 909 W. 9th Avenue Anchorage, AK 99501 Tele: (907) 263-7651 Fax: (907) 263-7828 E-mail: harrisonb@unocal.com UNOCALe Beverly Harrison Business Ventures Assistant May 2, 2002 To: Lisa ~vJe-¥~ AOGCC 333 W. 7th Ave, #100 Anchorage, AK 99501 DATA TRANSMITTAL - MONOPOD PLATFORM WELL LOGTYFE SCALE LOGDÁTE INTERVAL CO MEDIUM ¡OJ..,cg'} A-15RD FORMATION EVALUATION LOGS / SURVEYS 1/28/2002 CD POWERPULSE / GR / VISION DENSITY NEUTRON / 2/5 CDR / MD / COMPOSITE FIELD PRINT INCH 12/22/2001 1105-12378 B- Line POWERPULSE / GR / VISION DENSITY NEUTRON / 2/5 CDR / TVD / COMPOSITE FIELD PRINT INCH 12/22/200 1 1105-12378 B-Line "" ~Q;)...{) 14 A-15RD2 FORMATION EVALUATION LOGS / SURVEYS 2/28/2002 CD ". POWERPULSEI GR! MD / COMPOSITE EELD 2/5 PRINT INCH 2/3/2002 10400-13570 B-Line "" POWERPULSE / IMPULSE / GR / VISION DESITY NEUTRON / MD / MAD PASS / COMPOSITE FIELD 2/5 ./ PRINT INCH 2/3/2002 11360-13280 B- Line O~-{)4{-15RD2Ll ADN IMAGE DIPS 3/26/2002 12634-13725 B- Line ADN IMAGE DIPS 3/26/2002 12634-13725 CD ~ FORMATION EVALUATION LOGS / SURVEYS 3/8/2002 CD "" VISION SERVICE / MD / COMPOSITE FIELD PRINT 12/6/2001 12700-13730 B-Line "" VISION SERVICE / MD / MAD PASS / COMPOSITE FIELD PRINT 12/6/2001 12700-13730 B-Line ~~-olc3 A-15RD2L2 AND IMAGE DIPS 1:120 3/11/2002 12630-15042 B-Line AND IMAGE DIPS 1:120 3/11/2002 12630-15042 CD --- FORMATION EV ALUA TION LOGS / SURVEYS 3/20/2002 CD /' 2/5 VISION SERVICE / MD / COMPOSITE FIELD PRINT INCH 3/1/2002 12700-15042 B- Line " VISION SERVICE / MD / MAD PASS / COPPOSITE 2/5 FIELD PRINT INCH 3/1/2002 12700-15042 B-Line Please acknowledge receipt by signing and returning one copy of this transmittal or FAX to (907) 263-7828. ReCEIVED Rece~ L- ~.~ Date: ~t;Y 0 G 2002 Alaska Oil & Gas Cons. Commission Anchorage ') Unocal Alaska 909 W. 9th Avenue Anchorage, AK 99501 Tele: (907) 263-7651 Fax: (907) 263-7828 E-mail: halTisonb@unoca1.com ) UNOCAL Beverly Harrison Business Ventures Assistant May 3, 2002 To: AOGCC Lisa 'rVeepie 333 7th Ave., Ste 100 Anchorage, AK 99501 DATA TRANSMITTAL- Alaska / Offshore / Monopod Platform Wet Samples - Glass Vials A-15RD 11970'-12428' BOXIOfl.,2ü/-/g<¡/ jÌ)-733-~O/"~--()1 A-15RDST1 10430'-11470' 11470'-12910' 12910'-13620' Box 1 of 3ì Box 2 of 3 ,) (¡ ~ - t J q Box 3 of 3 .~ Y'ü '-71> -.-{\)IÖr - ò~ A-15RDST1L1 12700'-13430' Box 1 of 1 ^ 0)", .... U ~ 8 ~. ~ -7):1- À\)I~1~ -bü ¡ *Total of 3 boxes for all samples. Samples for wells are intermixed. See label on box for details. Please acknowledge receipt by signing and returning one copy of this transmittal or FAX to (907) 263-7828. Received BY:~ rJLJ Date: )~~~ ..--/ it /' I ~ ) ) Monopod Platform A -15RD Cement Plug Draft.doc Revised 01/30/02 Proposed Cement Sidetrack Plug Objective: ~~l- \<t~ Set a cement plug to sidetrack well due geologic problem (Lower than expected top of Hemlock) at the current TD at 12,428'MD at 11 degree dog leg severity. A new directional plan is being revised with a kickoff point of +/- 10,700' MD and a maximum KOP of 10,850 MD. Status: Bottom of open hole = 12,428' MD. (9,830' TVD, requires 11 deg DLS to build back up to 9715'TVD in 8.5" hole section with the lowest belly at 9856 TVD, and substantially loosing 150 ft lateral). Proposed sidetrack will minimize large belly in the horizontal section as well as gaining - 20' structure of Hemlock.) Cement Plug Procedure: 1 RIH with cementing BHA: Cement stinger will consist 27 joints (-860') of 2-7/8" tubing. Orange-peel bottom of stinger with twenty-five Y2" dia holes cut near bottom to allow for good plug placement with minimal mud contamination caused by jetting down below stinger bottom. 2-7/8" x 4-1/2" IF crossover (Full bore id crossover). 5" drill pipe from above window to surface. 2 Break circ as needed on trip in to keep pipe full and to keep any floating coal out of stinger. RIH to - 10,780 and establish circ rate similar to rate to clean out cement. Note circ pressure to compare with pressure later on while circ out cement. 3 Build 20 bbl viscous WBM pill at the same weight with the existing OBM weight (if possible while RIH) 4 Pump 10 bbls of base oil ahead 5 Pump and balance 20 bbl viscous pill. 6 Pump 1 bbl of base oil behind 7 Balance plug and POOH slowly to 9,500, and circulate bottoms up. 8 Rig up Dowell and pressure test lines to 3000 psi. A-15RD Cement Plug Draft.doc 1 Revised 08/01/01 ) ') Monopod Platform A -15RD Cement Plug Draft.doc Revised 01/30/02 9 Build at least - 15 bbls "pumpable" 11.0 ppg MudPUSH XLO Spacer 10 Batch mix on the fly 55 bbls of 17.0 ppg cement blend with composition as attached. The 55 bbls of cement will give a TOe of 10,200 if 8-1/2" hole is in gauge The 55 bbls of cement will give. a TOC of 10,980 if hole is washed out to average of 9" The above cales are based on cement in the 8-1/2" open hole with no pipe displacement. 860' of 2-7/8" displacement is only 1.93 bbl. 11 Pump 15 bblll.0 ppg MudPUSH XLO spacer ahead followed by 55 bbl cement followed by 20 bbl MudPUSH XLO spacer behind. The two spacers should balance each other in height in the 2-7/8" tubing and the 2-7/8" x 8-1/2" (gauge hole, highest-worst case) annulus. 12 Displace cement and MudPUSH XLO spacers with Dowell Cement Pump using oil-based mud. PU slowly after cement exits stinger but do not overrun cement top. Underdisplace cement slightly (2-3 bbl) so that drill pipe is on a vacuum when finished pumping. 13 POOH slowly from 10,980' to safety 9,700' (500' above "in gauge hole" TOC). Circulate BU at max rate while rotating and reciprocating drill pipe. Note any cement returns. 14 Drop DP dart (make sure it will pump through min id of the cement stinger which should be 2.441" ill) 15 POOH with cement BHA. 2-7/8" capacity = .00579 bbl/ft 5" dp capacity = .01776 bbl/ft 2-7/8" x 8-112" = .0622 bbl/ft (in gauge hole) 8-1/2" gauge hole = .0702 bbl/ft 9" avg hole = ..07861 bbl/ft A-15RD Cement Plug Draft.doc 2 Revised 08/01/01 ) ') Monopod Platform A -15RD Cement Plug Draft.doc Revised 01/30/02 ~. ¡:_,;~;t~". . ¡~{ UNOCAL I Fluid No: pak plug307 Company: UnocaI Well Data Job Type BHST Starting Temperature Starting Pressure Composition Code Dry phase contents G 0046 0065 0167 0800 I Wet phase contents Fresh water I Slurry Density Base Fluid Cone. Rheology Fann Readings (rpm) 300 200 100 60 30 6 3 Fluid Loss 42 mL in API Fluid Loss Thickening Time Consistency 30Bc 70Bc 100 Be Batch Mix Time: 01:00 hr:mn A-15RD Cement Plug Draft.doc Cement Test Report Requested by : Russ W. Well Name: A-15RD I 01/31/02 I LABORATORY BLEND Location: Monopod Field : Trading Bay Plug 163 degF 9600.0 ft 155 degF TVD BHP Heating Rate 8000.0 ft Depth BHCT Time to Temperature Time to Pressure Lot Number Cone. 0.20 %BWOC 1.00 %BWOC 0.20 %BWOC 0.27 %BWOC 17.00Ib/gal 3.852 ga1lsk Porosity Mix Fluid 51.3 % 3.852 ga1lsk Yield 1.00 ft3/sk At 90 degF / (deg) 144 105 64 48 35 25 21 At 155 degF / ( deg) 168 125 80 60 42 27 20 Pv : 121.607 cP Ty: 23.18 1bf/100ft2 Pv : 138.346 cP Ty: 31.411bf/100ft2 13 min at and 1000 psi 128 mL Time 01 :45 hr:mn 03:41 hr:mn 04:20 hr:mn at 90 degF 3 Revised 08/01/01 ) ) WELL DIAGRAM MONOPOD A-15RD ABANDONEMENT s:% ~ §% §% ~ ~ ~ ~ ~ §% ~ ~ 13-3/8" Casing Shoe @ 1073' MO ~ % % % % % % % % % % % % % % 9-5/8" Casing Shoe @ 8160' MOl 6780' VO JI Top of Plug @ 10,000' MOl 8,313' VO ~55 bbls 17.0 ppg cmt) 30ttom of Plug @ 10,780' MOl 8,945' VO 9.4 ppg OBM ~ %~ %~ ~ B R %~ %~ %~ %~ %~ %~ ~ % % % % % % % ~ ~ ~ ~ ~ ~ L -., r~ 8-1/211 hole side track (planned @ 10,000') to 711 " .'c..- --~sg point 12,400' MD/9,780' VD "..'.'..i! ..,',':.?i!\:~.'" ',,'.!t,e,.,., .: -~t ---;- '~~~-r- _u~~-- ~.t~ ') Current 8-1/211 Hole TD @ 12,428' MD/9,830' VD Proposed Well Profile - Geodetic Report SC".UIID"IDI"'UIDI... Report Date: January 31, 2002 Survey / DLS Computation Method: Minimum Curvature I Lubinski Client: Unocal Vertical Section Azimuth: 152.520° Field: Trading Bay Unit Vertical Section Origin: N 0.000 ft, E 0.000 ft Structure / Slot: Monopod I A-15 TVD Reference Datum: KB Well: A-15 TVD Reference Elevation: 101.0 ft relative to Mean Sea Level Borehole: A-15RD Sea Bed / Ground Level Elevation: 0.000 ft relative to Mean Sea Level UWVAPI#: 507332010501 Magnetic Declination: 20.745° Survey Name / Date: A-15RD (P18) I January 31 , 2002 Total Field Strength: 55404.730 nT Tort / AHD / DDI/ ERD ratio: 231.967° /8219.58 ft 16.426/0.838 Magnetic Dip: 73.570° Grid Coordinate System: NAD27 Alaska State Planes, Zone 4, US Feet Declination Date: November 27,2001 Location Lat/Long: N 60.89685919, W 151.57882073 Magnetic Declination Model: BGGM 2001 Location Grid N/E YIX: N 2523130.000 ftUS, E 218859.000 ftUS North Reference: True North Grid Convergence Angle: -1.37957061 ° Total Corr Mag North -> True North: +20.745° Grid Scale Factor: 0.99998994 Local Coordinates Referenced To: Well Head ~ Grid Coordinates Geographic Coordinates Station ID MD Incl Azim TVD VSec N/-S El-W DLS Northing Easting Latitude Longitude (ft) (°) (°) (ft) (ft) (ft) (ft) (0/100ft) (ftUS) (ftUS) KOP Crv 6/100 10700.00 37.88 158.13 8881.73 4944.61 -4234.09 2575.10 0.00 2518835.19 221331.38 N 60.88527665 W 151.56436729 Cry 4/100 10800.00 41.33 165.85 8958.81 5007.35 -4294.65 2594.62 6.00 2518774.18 221349.44 N 60.88511099 W 151.56425780 10900.00 43.59 170.74 9032.60 5072.25 -4360.71 2608.25 4.00 2518707.81 221361.48 N 60.88493028 W 151.56418138 11000.00 46.05 175.22 9103.55 5138.23 -4430.64 2616.81 4.00 2518637.70 221368.35 N 60.88473899 W 151.56413343 End Crv 11088.06 48.34 178.86 9163.39 5196.98 -4495.14 2620.11 4.00 2518573.14 221370.10 N 60.88456256 W 151.56411499 Cry 6/100 11549.36 48.34 178.86 9470.00 5505.86 -4839.72 2626.98 0.00 2518228.50 221368.67 N 60.88362000 W 151.56407687 11600.00 50.58 181.56 9502.92 5539.92 -4878.20 2626.82 6.00 2518190.03 221367.58 N 60.88351474 W 151.56407782 11700.00 55.16 186.43 9563.29 5607.81 -4957.66 2621 .17 6.00 2518110.73 221360.02 N 60.88329740 W 151.56410963 11800.00 59.92 190.77 9616.96 5675.91 -5041.02 2608.48 6.00 2518027.70 221345.33 N 60.88306938 W 151.56418096 11900.00 64.80 194.71 9663.36 5743.47 -5127.36 2588.89 6.00 2517941.86 221323.66 N 60.88283322 W151.56429101 12000.00 69.78 198.34 9701.97 5809.75 -5215.74 2562.62 6.00 2517854.14 221295.28 N 60.88259149 W 151.56443856 12100.00 74.83 201.74 9732.36 5874.03 -5305.18 2529.96 6.00 2517765.51 221260.47 N 60.88234686 W 151.56462197 End Cry 12103.37 75.00 201.85 9733.24 5876.15 -5308.20 2528.76 6.00 2517762.52 221259.20 N 60.88233860 W 151.56462871 Target 12303.37 75.00 201.85 9785.00 6002.05 -5487.51 2456.86 0.00 2517585.00 221183.00 N 60.88184816 W 151.56503245 7" Csg Pt 12334.28 75.00 201.85 9793.00 6021.51 -5515.22 2445.74 0.00 2517557.56 221171.22 N 60.88177237 W 151.56509489 ",-",. Cry 13/100 12343.37 75.00 201 .85 9795.35 6027.23 -5523.37 2442.48 0.00 2517549.49 221167.77 N 60.88175008 W 151.56511319 12400.00 82.36 201 .85 9806.46 6063.40 -5574.88 2421.82 13.00 2517498.50 221145.87 N 60.88160919 W 151.56522920 90° Low point 12458.75 90.00 201.85 9810.37 6101.57 -5629.24 2400.02 13.00 2517444.68 221122.77 N 60.88146051 W 151.56535161 End Cry 12489.07 93.94 201.85 9809.33 6121.31 -5657.36 2388.75 13.00 2517416.84 221110.83 N 60.88138360 W 151.56541489 13714.62 93.94 201.85 9725.10 6918.10 -6792.17 1933.68 0.00 2516293.33 220628.57 N 60.87827971 W 151.56796987 TO 13716.06 93.94 201.85 9725.00 6919.04 -6793.51 1933.14 0.00 2516292.00 220628.00 N 60.87827605 W 151.56797290 Legal Description: Surface: 1616 F8L 576 FEL 84 T9N R13W SM Tie-In: 2661 F8L 3286 FEL 810 T9N R13W 8M Ä-15RO (P18)-mftM~e9..¥lm F8L 3406 FEL S10 T9N R13W 8M TO / BHL: 102 F8L 3932 FEL 810 T9N R13W 8M Northing (y) [ftUSl 2523130.00 2518835.20 2g~5.1ðb1 2516292.00 EastinQ (X) rftUSl 218859.00 221331.39 221183.00 220628.00 1/31/2002-1 :56 PM ) ) VERTICAL SECTION VIEW Client: Well: UNOCAL8 Field: Structure: Section At: Unocal A-15RD (P16) Trading Bay Monopod 152.52 deg January 30, Unit Schlumberger Date: 2002 -2000 0 \ Q 8000 ,-~-~----------------- I -----------------..---.---j---.-.-- I 2000 -..-. ........... 0> > 0> Z'~ 0> 0> - 0 0 0 C\J II c: co 0> (f) c: CO 0> ~ 0> > T""" 0 - ..c ..c: CO "õ.-:= 0>0 00 6000 4000 - T""" ~o . - T""" 1::- o>aJ >~ Q)'¡": ::::J 0> Loa::: I- > 0> W ! TIe.ln Survey I 10992MD 9112niD 39.85' 159.40' az I 5124 departure i KqP Cry 6/100 11QOO MD 9118 TVD 39.~6' 159.48' az , 5129 departure , i End Cry , /11367 MD 9376 TVD 51.37' 186.03' az 5368 departure 10000 Cry 6/100 11601 MD 9522TVD 51.37' 186.0~' az 5520 departu~ TD 13745 MD 9715 TVD 94.11' 201.85' az 6919 departure En~Crv 12133 MD 9740 TVD 80.qo' 201.85' az 587~ departure ~;;~t~D 9775 TVD 80.00' 201.851 az 6002 departure. "" . End Cry 12618 MD 9796 TVD 94.11' 201.85' az 6187 departure T' Csg Pt / Cry 6/100 12383 MD 9784 TVD 80.00' 201.85' az 6034 departure 12000 I I .. ~OOO 0 I I 2000 4000 6000 Vertical Section Departure at 152.52 deg from (0.0, 0.0). (1 in = 2000 feet) ~ UNOCAL8 -4000 I I 4000 2000 ^ ^ ^ I I- a:: ~ -2000 -~ 0 I I- :J -4000-- 0 (j) V V V -6000 -8000 I -4000 -2000 , I ) PLAN VIEW Client: Unocal ) Well: Field: Structure: Scale: Date: A-15RD (P16) Trading Bay Unit Monopod 1 in = 2000 ft 30-Jan-2002 Schlumberger -2000 «< WEST 0 4000 I I i 2000 True North Mag Dec ( E 20.75° ) ---------------------- 4000 I I ~ i i i I I i 2000 I I ' I i _._--------------------------------------t-------------------------------..----------i---------------------------------.-- - 0 I I , I I ' -2000 End Cry 12133 MO 9740 TVO_- i 80.00' 201.85'az ~ 5305 S 2530 E I 4, Target ----.--------------j-- . 12333 MO 9775 TVO : 80.00' 201.85' az 5488 S 2457 E I Tie-In Survey I 10992 MO 9112 TV~ 39.85' 159.40' az i 4400 S 2644 E I KO~ Cry 61100 110QO MO 9118 TVO 39.8~' 159.48' az 4405 S 2645 E ! i End Cry //.----r 11367 MO 9376 TVO ; 51.37' 186.03' az I 4661 S 2672 E -----------...; Cry 61100 A-15RDPB1111601 MO 9522TVO : 51.37' 186.03' az I 4843 S 2653 E -4000 -6000 TO 13745 MO 9715 TVO 94.11' 201.85' l.z 6794 S 1933 E 7" Csg Pt I Cry 61100 12383 MO 9784 TVO 80.dO' 201.85' az End Cry 553~ S 2439 E 12618 MO 9796 TVþ 94.11' 201.85' az 5751 S 2351 E -8000 I 0 I 4000 2000 EAST »> Daily Injection Log of the 13 3/8" x 9 5/8" Annulus of G-22 Drilling Wastes From Monopod A-15RD Maximum Allowable Injection Pressure 2000 psi TVD 13 3/8" Casing Shoe Depth 4977' BBlS BBlS BBlS BBlS Date Slurry Flush Rate Injection 51 u rry 51 u rry Flush Total T ota I No No. BPM Pressure* PPG Volume Volume Slurry's Flushes 12/9/2001 Inj-test 1 3 1600 FIW 0 338 0 338 12/9/2001 1 2 3 1600 9.9 450 338 450 676 12/10/2001 2 3 3 1750 10 198 338 648 1014 12/10/2001 3 X 3.5 1650 10 150 0 798 1014 12/11/2001 Flush 4 3.5 1750 FIW 0 450 798 1464 '~ 2/14/2002 Flush 5 3.5 1650 FIW 0 338 798 1802 2/14/2002 4 6 4 1750 9 80 338 878 2140 2/27/2002 Flush 7 2.5 1100 FIW 0 40 878 2180 2/28/2002 Flush 8 3 1100 FIW 0 20 878 2200 3/2/2002 Flush 9 3 1200 FIW 0 20 878 2220 3/2/2002 5 X 3 1750 10.0 130 338 1008 2558 3/3/2002 6 X 3 1750 10 100 338 1108 2896 3/5/2002 7 10 1.75 1750 10 50 360 1158 3256 3/19/2002 8 11 4 1750 9 76 360 1234 3616 3/24/2002 9 12 1750 70 351 1304 3967 4/3/2002 flush 13 FIW 0 20 .1304 3987 4/3/2002 10 14 4 1900 9.1 20 360 1324 4347 4/3/2002 11 15 4 1750 9.1 20 360 1344 4707 .~~ 4/3/2002 12 16 3.5 1800 9.1 30 360 1374 5067 Total bbls injected 6441 *Injection pressure is highest reading while injecting ') A-15RD Well Naming Explanation Well Name API# Depths, MD Status A-15 50-133-20105 Cmt plug at 816' in prep for Kick-off 407 filed 12/14/01 Abdn A-15RD 50-733-20105-01 8-1/2" hole, 10430' - 12428' Plugged in prep for geologic sidetrack #1 407 filed 2/14/02 Abdn A-15RDST1 50-733-20105-02 6" hole from 12700' to 13620' Open Hole to flow Hole too high in TVD and coal unstable But will not be cased Decided to open hole sidetrack A-15RDST1L 1 50-733-20105-60 Open hole sidetrack 6" hole at 12700' Surface to permit depth of 13687' MD Open Hole Will have slotted liner A-15RDST1L 10P 50-733-20105-61 Revised permit approved to 15,000' MD Open Hole Same as above well except "deepen" Will Have Slotted liner Surface to eventual TD. A-15RDST1L 1PB1 50-733-20105-70 Unintentional 6" sidetrack hole 12406' to 13730' Plugged with debris RECEIVED MAR 1 3 ZOOl Alaska Oil & Gas Coos. Commission Anctroœge A-15RD well naming. doc 1 íJ-IS Af) 5''0-733---20/0$- ,:J- ¡ ~' , . i \);~ ~,~ "t. "" ~ ~ . ~~ , ~:" r'. fi ! ~ . ~ OW~\~. rv\ \~ \~ ~ ~ ~~\S ..1-- I \)ðf.. ) b - -' ~A-/{ /êDz- I 011 . J °2-- i A./)ç~ sr J 13(,lfJ~.ð = 97f3'7Y/J ........\ J! _/ - X Vl..7þ'2..- /Yo! &4$ t!:d I °r~ r. Fh~\ <$o~e! #1.3-2. r~ l:$sý/-13'-2ð' LNI(,II~ '\.' 1,' ' 5~ ~E.,r....eHr.. ~~...,--', "( i ) --"1.T~ -1J~. . LI P~I - 70 ! t J ' 13730 Í'I:P/. 97~fJ TVD ~- . j( i 3þf,z... /i. / 5RlJ2 L L i //~ ¿/ÞP ( 11\ f~f}U>" h¡þ -,A J~ b()t) '/11~ - C,,/ l' I ,.q./)"/CD2L! ~ /Sit>t/r. /9717/7VD J-I 1bo -¥~z./Þ2. 3/U)/Þ~ ft..("Vtf,'..f.k,J '/'Þ1/ If. ~ 41- 13 7/6' i J I '-., ... I j . ;¡'YIII'I1' ð~ ~Sf!.,rVOl r (j°o J "Þ ~~ C#-11 dt' '¡"'o~(5 1-<.c:.l d.&. to cÞ..lo;lU-. I ~/yJU 20£ - 6./~ 2.02 - D '18 , 2.'->2 - D" 3 . Ju.r.f. be: X: 2/~~~.1<;~ ÿ: 2~2.3'3Ç.D'-I8 ( I 0410 I .. ÎJ£+¡a~/<.. f ø;"t J (1V(J sl l~ I ñA'f)/'17~ ..., ... 1\ r' , -;I. v 'I~J ~~ ~ a7qtÎ 'íyrJ A" I , I/V'" J2,7()D MIJ 0 .~ l.3jÍ /H- ~ f)- - /5;1) ItbJ h ;zj/v ¡;z- I -r/¡/~/~ 1~~'8 MD d~~fe.,Y' ..¡I.:Ak 'i 83/)' riD L~~~¡J(. ;1\ ~.." tJ:.,......f S' ;J,¡,,,c.k. Dr¿11 Iv>/e... ~t~~ \. ¿!34ab' Mf) 1't79~1 rVO tA. ~ -¡",j.¡¡"'! ~~ti'A JcptÞIitj- .:j¿~ 3/~ P"L L LJ/ // /1 ...þ I Uß¿ - f,/t;l/) D¿:â.--( .s 1é32-1//~d n:<.f%1-6 5/1;/62- "j) Unocal Alaska 909 W. 9th Avenue Anchorage, AK 99501 Tele: (907) 263-7651 Fax: (907) 263-7828 E-mail: harrisonb@unocal.com ) UNOCAL Beverly Harrison Business Ventures Assistant February 5, 2002 DATA TRANSMITTAL To: Lisa Weepie Alaska Oil & Gas 333 W 7th Ave, #100 Anchorage, AK 99501-3539 From: Beverly Harrison Unocal Alaska 909 W. 9th Avenue Anchorage, AK 99501 ~~a~~'~~~~::E~OIlOWi~r:~CAlEILOGDATE>I'INTERVALI. COPIEsl< Well.-IMedium I . -¡ 'COMPLETION RECORD '5 INCH' 1/18/2002' 10'500-11419' 1 'K-12RD2 'Film. J7,?05 COM~t~~:g~~~ '~:~;~~~~~~_105~~:J~~1 1 ~~H;'~~ N RECORD i'5 INCH 1/11/2002 -'5476.'5 1 12-' I PHOLE sÖNïc"ï'rvïA'''''.'''''''.' ".'."TNCH"'. f2ï27j¿OÖ1" 0-'563Ö""""'. 1 "".f..." A~1"SRÖ...."'''.'''j OJ- '89 . 'ïÞHõ'LE"soNlc"Wvf '5 ïNë.Hw'.1272'772ÖÕ~1 0-5630"'...."'; . 1 D B-Line ~ COMPLETION RECO '~"""'''1'l '5300-64'fã"""¡"~'"'.''1''' SRU 1"2':1S"."'''.TF'fIm IloO--oa.;t ....w..~_w~~_.~."..~-^w... ...,_....,._._...w.w_..w...~",...,.w.._._~_....,,~.,_._~....."..".'.~-"~.'.~j '. COMPLETION RECORD' '5 INCH 1/8/2002. '5300-6418 ' 1 . SRU 12-1'5 (B-Line 'V I.QQ.MEb.~ItQ.N...B;.ÇQ.BR.....^... 1/7/2002 L. ,.....§,§,§"Q:§..gZQ.......j.~..,..,.,t.,-, ,..,,,I,,§B~.g~.4:.1§. ,..! .F.J!n:t.., ..".""" , (00,0 4f , I.QQ.M.Eb,~I!Q..~.,..B..~ÇQ.BR..,..,,^,..., CH ....,.j",....,......,.,..JLZt.?,Q..Q..?L........§.§,§..Q..:§gZQ.,. .....L"..........L..,.~..~ SRJ~tg.~1:19 l3.:bJD§...... ¡ QQ.M.E~.I;I.l.Q.N..B;ÇQ.,BP...,. "',.~,.... ,...JI4t.?P02 ¡ ..",§,§'§Q~§4.4?.,... J,. $B.V,.?.~.4..~..t. ,JJr.:D.... ,COMPLETION RECORD INCH: 1/4/2 ; '56'50-6448 1 RU 234-1 -Line, @~~~~~~~[_~~=[=m~~~i~~~~l_..~~[_~j~==WO~~9 . COMPLETION RECORD ''5 INCH. 1/13/2002 12990-13713 1 K-1RD2 'B-Line ~ LÇOMP~gI!9NBEQQ8P. i'5 INCI::L_L___Jl1§!200~iuJogoO.::l1i'5'5 1 K-12RQ~__JFilr:!L....__J/7~-05 ., 'COMPLETION R.ECORD ''5 INCH.' 1/1'5/2002' 10200-114'5'5 1 K-12RD2 'B-Line '.J,. LêAK.~.B._~u:gJ3BJP~.~..EbVJJ,.1§.JJ~ÇJ:t,~wL"J.J!~?L?wQ.QJ.L'UU."M'.."'.""''''''''.'.".. ..,1..... .... J ,M~J.g......,..u...lfHmM....uuJ~O' -I Î Ie I BAKER N-2 BRIDGE PLUGi'5 INCH. 11/28/2001 ¡., ... .1. 11M-12 ...' ¡B~Line ¡~ ¡'MQPQ:bAB:':QŸ-'~AMT~~:::'~~:,^:~'.:r§.IN:Çti::::.[:':::j?i?§l?QQIJ::"::":::..1:Qt~~§'§:~"Q~:':::"i''''':'~:::.::j~::..:::.:::'I'?~~1:§Bti:.''':.:.::.::'::::I'Ë''i.fm'::..':~::~DI-' ~ ~ [~[~~~~~!~~~[- INC~;. ..j~~~&lL1%ÌÞi~=- ..j:-i~:l~é~:. ...:.i~¡i~n~::1 ¡FORMATION MICRO ¡'5 INCH: 12/27/2001! 0-1073 1 IA-1'5RD iB-Line! ..W.W"'._"".'--_.'.'..'-'...~w._W_'W'.'~..-W._"_N...._-,.._..,...,.,www.w.".........ww....",ww_w_w~w..ww...w._""......"w.....-.-.,,,.w.-.......-..",,w..w.,-..ww.'..ww............,.w"..w.......w...w..._www_..-. -.....w...w._w.-...w...-.....-...w.w."-....ww..,,....--..-,..,w.w,w_-_...,...~-,.._..__..__..._wJv Please acknowledge receipt by signing and returning one copy of this transmittal or FAX t~~IVED Received~ ~ Date: ~ 042002 Alaska Oil & Gas Cons, Commi88i0n AnmnrAnc ) Unocal Alaska 909 W. 9th Avenue Anchorage, AK 99501 Tele: (907) 263-7651 Fax: (907) 263-7828 E-mail: harrisonb@unocal.com ') UNOCAL Beverly Harrison Business Ventures Assistant March 4, 2002 DATA TRANSMITTAL To: Lisa Weepie Alaska Oil & Gas 333 W 7th Ave, #100 Anchorage, AK 99501-3539 From: Beverly Harrison Unocal Alaska 909 W. 9th Avenue Anchorage, AK 99501 Transmitting the following: LOG:TYPE:,:';...".,:::':.';.¡,:....,::~,~~{j>i:;;:u..1/<;,~~".',,~::i..:: '.... SCAL.E..,,:;:,~ LQG~DATE}'.INTER\lAL.1OGGE:D; COI?IES>:: :WELLii:\::i,:iiif.:..:MEDIUM BOREHOLE COMPENSATED 5 INCH 1/20/2002 9926-1 0584 1 NNA-1 Film aOJ-d. J SONIC BOREHOLE COMPENSATED SINCH 1/20/2002 9926-10584 1 NNA-1 B-Line SONIC ULTRASONIC CASING AND 5 INCH 1/20/2002 9926-1 0584 1 NNA-1 B-Line ARRAY INDUCTION, NEUTRON 2/5 INCH 1/20/2002 9926-10584 1 NNA-1 Film DENSITY, GR - PLATFORM ARRAY INDUCTION, NEUTRON 2/5 INCH 1/20/2002 9926-10584 1 NNA-1 B-Line -I DENSITY, GR - PLATFORM COMPLETION RECORD 5 INCH 1/25/2002 11600-11675.7 1 K-02RD Film J1g-ò€ COMPLETION RECORD 5 INCH 1/25/2002 11600-11675.7 1 K-02RD B-Line J ULTRASONIC CASING AND 5 INCH 1/20/2002 9926-10584 1 NNA-1 Film d}o)'~ ~ CEMENT IMAGER - CEMENT CALIPER LOG 2/5 INCH 1/20/2002 9926-10584 1 NNA-1 Film CALIPER LOG 2/5 INCH 1/20/2002 9926-10584 1 NNA-1 B-Line v COMPLETION RECORD 5 INCH 2/6/2002 10121-10450 1 SCU 12A-3 Film I ~()"'I ~ COMPLETION RECORD 5 INCH 2/6/2002 10121-10450 1 SCU 12A-3 B-Line ~ CASING PACKER SETTING TOOL 5 INCH 1/25/2002 9565-9800 1 NNA-1 Film COMPLETION RECORD CASING PACKER SETTING TOOL 5 INCH 1/25/2002 9565-9800 1 NNA-1 B-Line COMPLETION RECORD CALIPER LOG 5 INCH 12/27/2001 0-1 073 1 A-15RD Film aOJ-J~ CALIPER LOG 5 INCH 12/27/2001 0-1073 1 A-15RD B-Line J- Please acknowled e receipt by signing and returning one copy of this transmittal or ~~n Received by (J.. OOQ I~ .' Date: t'1AR 042002 Aiø ',p, nil, R. P . r'V'ft r.",...,' . ~n } PLuGGING & ¡,OCATION CT,EFRÞ_~CE REPORT State of J._laska A.L;\S7..Ä or:. é G:t.S C::NSi:XVATICN CCMMISSION ?TD ~o ~O I ~ f g q . :ease¡ql)~ (~7~ / :.!=,==~~¿=~= =~:s: ~~~ln:~e -~¡F jð l-~~~~~ C~erat== 1J f\O r/-A t - :ccat:.cn ~ i-f jT q tJ I R 13 w ..s , ~ Abnci Date :t' l . (J 2- Sp~ci: r} 'Ü{S l, TD: I ~t-\:~ ' com;lleteci?' \ (' 15' 2-- :::C:::~~' ¿~~ VC1'~~~U-"'. (f5jg~ . ' ~::r:-~a~lS - t=a: Q Rev:.ew t=.e well -:::.le. anci' c~t -~~q, well lleaå :::,:~.,:..,S$J.. .." Îl t~. ð.t=n,ll~ô7~ ~Jj J~.,.Ob,CÍs" Clr~,' ~ c(,~e,;:), tu, - .'. (fV tOO¡JrD~ 1f;G:20o ~ J56 <ðms C/hl H ' ,. ,'(1)("1 jJJ~ 'VMd/1¿~¡:1'&-(rj 11)./ (-~O Well ~eaci C".1t cf~: ' AIr;.. , !!arxer ;>cat or plata: I\. Jr;;" :'Qca~~cn C:earance: l~jÆ~ Ccnc:lusiena. {(~/W~ ,£3 J4 - IE B Pl'1)' A-15 M5"&T I (c 3. =?- dO f (J Þj -() :;L Cede +- k~C)' s~eå fùì;~ \(~ J~' j?~ rÞ\~ Date, ~ - J--fVÐ a J - ~. ,,'. . . ) STATE OF ALASKA) ALASKA Oil AND GAS CONSERVATION COMMISSION WELL COMPLETION OR RECOMPLETION REPORT AND LOG 1. Status of Well Classification of Service Well OIL: GAS: SUSPENDED: ABANDONED: X ~~'~~<:; . 2. Name of Operator ~~~>7~~t;¡","'f1J;ti 7. Permit Number Unocal Oil Company of California (UNOCAL) :.s ~r~ .~ 201-189/302-047 3. Address -J~~~~,I 8. API Number 4. L:~a~~~~~ :~~2a~:u~~~~orage, Ak 99519 ,....#~~ 59~l~~~~:~~:~ame 1616' FSL, 576' FEL, Sec. 4, T9N, R13W, SM ...,;;1-.-".' Trading Bay Field At top of productive interval (Top Hemlock, 12315' MD/9800' TVD).~ nl.n - 10. Well Numbér 2265' FWL& 1434' FSL of Sec.10, T9N, R13W, SM .,,.. ,.....:..~:1.:_':..L A-15RD At total depth (12428' MD/9,830' TVD)'., '. .,.~.!,t,.....'t...{j,¡.:t,'.'.~:,n,' '.'.', 11. Field and Pool 2269' FWL& 1326' FSL of Sec.10, T9N, R13W, SM '¡ .4Þ...._- 5. Elevation in feet (indicate KB, DF, etc.) 16. Lease Designation"ärièl Sëriaf'Nò'~' Trading Bay Field 101' KB above MSL ADL-18731 Hemlock and "E" Pool 12. Date Spudded 13. Date T.D. Reached 14. Date Comp., Susp. or Aband. 15. Water Depth, if offshore 16. No. of Completions 12/05/01 1/27/02 2/01/02 abandoned 73' 1 17. Total Depth (MD+TVD) 18. Plug Back Depth (MD+TVD) 19. Directional Survey 20. Depth where SSSV set 21. Thickness of Permafrost 12,428' MD/9,830' TVD 10,430' MD/8668' TVD Yes: X No: NA feet MD NA 22. Type Electric or Other Logs Run LWD ADN (dipmeter) 23. CASING SIZE WT. PER FT. GRADE 13-5/8" 61# K-55 9-5/8" 47# L-80 CASING, LINER AND CEMENTING RECORD SETTING DEPTH MD TOP BOTTOM HOLE SIZE CEMENTING RECORD Driven AMOUNT PULLED 0 0 1073' 8160' 17-1/2" 1200 sx 0 12-1/4" 1700 sx 0 25. TUBING RECORD SIZE DEPTH SET (MD) PACKER SET(MD) 24. Perforations open to Production (MD+ TVD of Top and Bottom and interval, size and number) Pu mped 11 bbls 15.8 ppg balanced cmt plug from 11,800' to 11,650' Pumped 55 bbls 16.4 ppg balanced cmt plug from 10,980' to 10,200' in preparation for A-15RDSt-1 kick-off. The top cement plug was then dressed to 10,430' for new wellbore exit. 26. ACID, FRACTURE, CEMENT SQUEEZE, ETC. DEPTH INTERVAL (MD) AMOUNT & KIND OF MATERIAL USED 27. Date First Production PRODUCTION TEST Method of Operation (Flowing, gas lift, etc.) Abandoned wellbore at top of Hemlock for sidetrack to gain 20' structure to southwest. Date of Test Hours Tested PRODUCTION FOR OIL-BBL GAS-MCF WATER-BBL CHOKE SIZE GAS-OIL RATIO NA TEST PERIOD => NA Flow Tubing Casing Pressure CALCULATED OIL-BBL GAS-MCF WATER-BBL OIL GRAVITY-API (corr) Press. 24-HOUR RATE => 28. CORE DATA Brief description of lithology, porosity, fractures, apparent dips and presence of oil, gas or water. Submit core chips. None RECEIVED FEB 1 ~ 2002 Alaska Oil & Gas Cons. Commission Anchorage ORIG\NAL AFE #151723 Form 10-407 Rev. 7-1-80 CONTINUED ON REVERSE SIDE Submit in duplicate ./ \1'< ) 29. 30. GEOLOGIC MARKERS FORMATION TESTS NAME Include interval tested, pressure data, all fluids recovered and gravity, MEAS. DEPTH TRUE VERT. DEPTH GOR, and time of each phase. 12,315' 9,800' None Hemlock 31. LIST OF ATTACHMENTS Wellbore schematic, Daily Summary of Rig Operations 32. I here7.i\~ that 1 :rJji9fi true and co~ect to fue best of my knowledge Signe~ ~ IV ûJ/i1AI /JJ1J1/Title - Drilling Manager Date x~llj-tJl INSTRUCTIONS General: This form is designed for submitting a complete and correct well completion report and log on all types of lands and leases in Alaska. Item 1: Classification of Service Wells: Gas injection, water injection, steam injection, air injection, salt water disposal, water supply for injection, observation, injection for in-situ combustion. Item 5: Indicate which elevation is used as reference (where not otherwise shown) for depth measurements given in other space on this form and in any attachments. Item 16 and 24: If this well is completed for separate production from more than one interval (multiple completion), so state in item 16, and in item 24 show the productin intervals for only the interval reported in item 27. Submit a separate form for each additional interval to be separately produced, showing the data pertinent to such interval. Item 21: Indicate whether from ground level (GL) or other elevation (DF, KB, etc.). Item 23: Attached supplemental records for this well should show the details of any multiple stage cement- ing and the location of the cementing tool. Item 27: Method of Operation: Flowing, Gas Lift, Rod Pump, Hydraulic Pump, Submersible, Water In- jection, Gas Injection, Shut-in, Other-explain. Item 28: If no cores taken, indicate "none". OR\G\NAL Form 10-407 .) ) WELL DIAGRAM MONOPOD A-15RD ACTUALABANDONEMENT Effective top of Plug #2 (16.4 ppg) as of 2/4/02: 'I"". \ ~ 10,430' TVD 1 8,668' TVD ~, ~ I .I~IV ~ ~~ ~~ ~?J ~?J ~~ ~?í. ~?í. ~?í. ~?í. ~~ ~?í. ~?J ~?í. ~?J ~?í. ~~ 13-3/8" Casing Shoe @ 1073' MD .1i ?í. ?J ?í. ?J ~ ?í. ?í. ?J ?í. ?J ?í. ?J ?í. ?í. ~ ?í. ?í. ~ ~ ~ . 9-5/8" Casing Shoe @ 8160' MD/ 6780' VD J Bottom of Plug #2 (16.4 ppg): 10,980' TVD / 9,102' TVD I I ~ ~ ~§: ~ ?í.§: ?í.§1 ?í.§1 ?í.§1 ?í.§1 ?í.§1 ?í.§1 ?í.§ ,.. ~ ~ ~ ?í. ~ ~ ?í. ?í. ?í. ?í. g ?í. ?í. g g ?í. g g 1& 2nd cement plug inplace: @ 09:00, Feb. 02, '02 effective date after being dressed @ 15:30, Feb 04, 02 1st cement plug inplace: @ 23:45, Feb. 01, '02 A-15RdSt1 A-15Rd Top of Plug #1 (15.8 ppg): 11,650' TVD / 9,578' TVD Bottom of Plug #1 (15.8 ppg): 11,800' TVD / 9,646' TVD (15.8 ppg slurry, 50 sxs cmt) Current 8-11211 Hole TD @ 12,428' MD/9,830' VD br/2/7/02 ~) )) A-15RD Redrill Daily Summary Unocal Alaska Drilling Daily Summary Report A-15RD Redrill 12/2/01 to 1/30/02 12/2/01 Set 13-3/8" cup tester and test BOPs to 1500 psi. Rig repair and maintenance in preparation to drill. 12/3/01 Rig modifications for drilling ahead including electircal controls for mud pump troublehshooting, RU extra 300 bbl tank for mud storage and mixing, replace mud suction lines to mud pumps. 12/4/01 Rig modifications for drilling ahead. 12/5/01 PU DP and stand back. Lost 10" dia mousehole cover down well. RIH with magnet on drill pipe, set down at 801', POOH with no recovery. RIH again with magnet, wash" down to 811', POOH and recover fish. Test BOPE. 12/6/01 RIH with 12-1/4" drilling BHA. Drill hard cmt from 812' to 1083'. Cuttings started to sheen so rig down overboard chute and store cuttings in safeguard tanks. Continue drilling from 1083' to 1106'. 12/7/01 Drill from 1106' to 1183'. Perform FIT to 14.1 ppg EMW, (10.1 ppg mud with surface pressure applied of 240 psi at 1159' TVD/1183' MD.) Cuttings no longer sheening, drill ahead from 1183' to 1340', cuttings started to sheen again, mudlogger showed good oil sand from 1275'-1340'. RD overboard cuttings chute and RU safeguard tanks. Drill from 1340' to 1463' while catching cuttings, MW at 10.3 ppg. 12/8/01 Drill from 1463' to 1653' while catching cuttings in Safeguard tanks, more oil sands at 1600', oil in mud increased from 1 % to 2%. Out of safeguard tanks. POH to shoe, waiting on more tanks. Drill from 1653' to 1850' (bottom of oil sand), out of safeguard tanks. POH to shoe. 12/9/01 Change out oil contaminated mud from pits. Send contaminated mud to Grayling via Isotanks. Clean up pits. 12/10/01 Change out oil contaminated mud from well to Isotanks and then to Grayling. Drill from 1850' to 2104' while catching cuttings in new safeguard tanks. Mud and cuttings passed sheen test, start overboarding cuttings. Drill from 2104' to 2176'. 12/11/01 Drill from 2176' to 2370'. Cuttings started failing sheen test at 2370', switch to catching cuttings. Drill from 2370 to 2470' while catching cuttings, passed sheen test, resume overboard dumping of cuttings. Drill from 2470' to 3124'. 12/12/01 Drill from 3124' to 3594'. POOH for bit change. 12/13/01 Test BOPE. RI H with PDC for Bit #2. Drill from 3594' to 4043'. A-15RD daily summary.doc 3 ,) ') 12/14/01 Drill from 4043' to 4175'. Cuttings sheen test failed. Drill from 4175' to 4407' while catching cuttings. 12/15/01 Drill from 4407' to 4420', trip to change bits. PDC bit worn out after only 826', change to 12-1/4" insert bit. 12/16/01 Drill from 4420' to 4690', cuttings passed sheen test. Drill from 4690' to 5185' while dumping cuttings overboard. 12/17/01 Drill from 5185' to 5447', having trouble building angle. Circ BU for bit change. Cuttings failed sheen test on BU and started catching cuttings. POOH, change bits and motor. RIH with 12-1/4" insert bit. 12/18/01 Drill from 5447' to 5532'. Cuttings passed sheen test and resumed overboard with cuttings. Drill from 5532' to 6138'. Oil in mud content has decreased from 2% to 1 .25%. 12/19/01 Drill from 6138' to 6739'. 12/20/01 Drill from 6739' to 7033', spot Soltex pill across coal from 6750' to 6980'. POOH for bit, pulled tight and backreamed from 6550' to 5270', bad coal at 6002'. 12/21/01 Continue to pump and backream from 5270' to 2600' shoe. Packed off at 3690'. Pulled without pumping from 2600' to shoe at 1073' and on to surface. Test BOPE. MU MAD pass LWD assy. 12/22/01 RIH with LWD tools to 5688' with some set downs from 4417' to 5553', minimal reaming required to work through set down spots. POOH logging while pumping and rotating from 5688' to 1089'. Spotted sheen on water while logging at 3600', mud and cuttings were passing sheen test but started catching cuttings. 12/23/01 Finished POOH. RIH with drilling assy, work through coal at 5620',5970', packed off and work pipe free. Wash and ream thru tight hole at 6420' and 6608', hole getting better below Soltex pill at 6700'. Resume overboard with cuttings at 6900'. Drill from 7033' to 7089'. 12/24/01 Drill from 7089' to 7474'. Wiper trip to 6532' with tight spot at 7170', normal amount of cuttings on circulation. Resume drilling from 7474' to 7487'. 12/25/01 Drill from 7487' to 7905'. 12/26/01 Drill from 7905' to 7911'. Long wiper trip to shoe at 1073', RIH to 7911' with several tight spots but only had to ream one spot from 6051' to 6065'. POOH for logs. 12/27/01 RU Schlumberger, RIH with FMS dipmeter on wireline. Set down at 5630', log from 5630' to shoe at 1073'. RI H with Dipole Sonic, Log from 5630' to surface. Test BOPE. A-15RD daily summary.doc 4 ) ) 12/28/01 RIH with MDT on drill pipe. RU side entry sub at 3211'. RIH with E-line and make wet-connect. Obtain four good pressure points from 3215' to 3622' but then tool quit sealing. 12/29/01 Attempt to obtain fluid sample at 3241'. Unable to pump out sample. Lay down side entry sub and retrieve wireline. POOH and LD MDT tool. RIH with drilling assy. Set down at 4232',4680',4772',4960', work thru with minor difficulties. 12/30/01 Set down at coal at 5648', had trouble working through, packing off, worked pipe free, ream thru bad spot. Wash and ream down to 6820'. Packed off, PU to regain circ at 6340'. POOH to 5506', RIH to 6280'. Wash in hole from 6280' to 6815', packed off again. Pump out of hole to 6347', packing off again, work up to 6159' and regained full circ with lots of coal. 12/31/01 Mud pump suction screens plugging with coal. POOH to 5131', clean pits. RIH without problem to 5507'. Wash and ream down to 6950', hole packing off. Back ream out to 6628'. Ream in hole to 6853', packing off again. Work up and reestablish circ at 6800'. RIH and packing off again. Back ream to 6582' to establish circ. Wash and ream back in to 6853'. 1/1/02 Slide by bottom of coal from 6853' to 6861', ream down to 7911' with tite spots. Drill from 7911' to 8218'. 1/2/02 Drill from 8218' to 8464'. Pump hi-vis sweep, pull for wiper trip to 5500' with some tite spots, pump out of hole to 6628', straight pull from 6628' to 5500'. RIH to 6860', unable to go deeper without drilling. 1/3/02 Orient to straight up and slide from 6853' to 6867', appears to be sidetracking and not acquiring old hole. Pump 35 bbl of 12.4 ppg hi-vis/hi-density sweep. Hole packed off as sweep rounded corner. POH to 5955' to regain circ. RIH from 5955' to 6840' with no problem. Spot 40 bbl Soltex pill, POOH with overpull at 6149', rest of trip good. 1/4/02 RIH with hole opener. Wash and ream from 5595' to 6279', RIH to 6841'. Wash to 6862', set down firm. Rotate with 40k to drill off to 6877' where reaming improved to 20K with good progress at 250 ft/hr. Work up and down from 6850' to 6890'. Wash and ream to 8464' TD with some tight spots. Circ BU and just a few large coal pieces. POH to 8150', pump 45 bbl of 11.5 ppg sweep, no increase in cuttings. Pull wiper trip to 5471', tite at 6840'. 1/5/02 RIH, had to work thru 6185' and 6840' and ream 6895' - 6910', RIH to 8464' with 25' of fill on bottom. POH TO 8150', pump 11.5 ppg hi-vis sweep, no increae in cuttings on BU. POH to 6955', spot 43 bbl Soltex pill. POOH. 1/6/02 Run 9-5/8" casing to 5500', had trouble circulating, work rate from 1 bpm to 7 bpm. Continue running casing, work through coal at 5635'. Casing stuck at 8157'. No circulation, eventually regain circulation. 1/7/02 Pump 50 bbl of 11.0 ppg Mud Push spacer, 411 bbl of 12.0 ppg lead cmt, 41 bblof 15.8 ppg tail cmt. Displaced with 10.4 ppg mud. Bumped plug to 2500 psi. Full A-15RD daily summary.doc 5 ) returns throughout job, no cmt to surface. ND and PU BOP, install 9-5/8" casing slips, set slips with 275k. 1/8/02 Install 9-5/8" packoff, test to 3000 psi. NU BOPs. Start rig prep for drilling with OBM. 1/9-1/11 Prepare rig for OBM drilling. (Flood test deck, repair leaks, RU piping to OBM and base oil tanks) 1/12/02 Test BOPE to 3500/250 psi. RIH with 8-1/2" drilling BHA with PDC bit. 1/13/02 Test casing to 2730 psi, drill float track. Clean out 12-1/4" hole to 8460'. Displace well from 10.4 ppg WBM to 9.4 ppg OBM. 1/14/02 Drill 20' of new formation to 8484'. Perform FIT to 400 psi (10.4 ppg EMW) with no leak-off. Drill from 8484' to 8767'. 1/15/02 Drill from 8767' to 9138'. 1/16/02 Drill from 9138' to 9158', pull PDC bit due to low ROP. RIH with 8-1/2" insert bit, drill from 9158' to 9178', electrical problem on shakers, POH to shoe to repair same. 1/17/02 RIH and drill from 9178' to 9668'. 1/18/02 Drill from 9668' to 1021 0'. 1/19/02 Drill from 10210' to 10537'. POOH for bit. Test BOPE. 1/20/02 RIH with new bit. Repair leak in glycol brake coolant line. Drill from 10537' to 10576'. 1/21/02 Drill from 10576' to 11050'. 1/22/02 Drill from 11050' to 11357', POH looking for washout, found same at 2600'. Change out jt and RIH. 1/23/02 Drill from 11357' to 11519'. Angle not building satisfactorily, pull bit. 1/24/02 RIH with new bit. Drill from 11519' to 11750'. 1/25/02 Drill from 11750' to 12075'. 1/26/02 Drill from 12075' to 12335'. 1/27/02 Drill from 12335' to 12428'. POOH while logging MAD pass with ADN dipmeter tool. Top of Hemlock deeper than expected. 1/28/02 Finish Mad pass up to 11 ,000'. POOH and download log data, send to Anchorage for analysis. Test BOPE. A-15RD daily summary.doc 6 ) ') 1/29/02 RIH with building assembly, motor with 1.83 deg AKO and 15 stands of drill pipe below HWDP. Set down at 8477'. Ream to 9060', difficult to enter old hole with building BHA. POOH. 1/30/02 Change motor setting from 1.83 to 1.50 deg AKO. RIH, set down at 9090'. Work down to 12270', packing off and losing returns. POOH, stuck at 11976'. Results of dipmeter (ADN) show that top of Hemlock is dipping donw to the east. Finalize directionla plnas to sidetrack to the west. A-15RD Abandonment 1/31/02 Work free and POOH. Run 2-7/8" tubing cement stinger for open hole abandonment and sidetrack plug. 2/1/02 RI H with stinger to 11800'. Mix and pump 11 bbls of 15.8 ppg cmt. 2/2/02 POH slow to 11180'. Spot 20 bbl hi-vis pill, POH to 10980'. Pump 8 bbl of 11.0 ppg Mud push spacer, 55 bbl of 16.4 ppg cmt, and 2 bbl of spacer. Displace plug with OBM. POH slow to 9700', drop drill pipe wiper dart and circ BU. POOH. A-15RD daily summary.doc 7 ) ') Sidetrack Drill A-15RD ST1 2/3/02 PU 8-1/2" sidetrack drilling BHA with PDC bit. RIH to shoe. 2/4/02 RIH with drilling assy, set down on cmt at 10189'. Drill to firm cmt at 10200'. Drill hard cmt to 10430', orient and sidetrack well at 10430', sliding 120 deg right from 10430' to 1 0469' . 2/5/02 Drill from 10469' to 10855'. 2/6/02 Drill from 10855' to 11055'. 2/7/02 Drill from 11055' to 11206', POOH for bit. 2/8/02 Test BOPE. RIH with new bit, drill from 11206' to 11343'. 2/9/02 Drill from 11343' to 11678'. 2/10/02 Drill from 11678' to 11853'. POOH for bit. Bit was 1-1/4" undergauge. 2/11/02 RIH with new Hughes insert bit. Took wt at 11685', safety ream to bottom at 11853'. Drill from 11853' to 12013'. 2/12/02 Drill from 12013' to (in progress) A-15RD daily summary. doc 8 Client. . . . . . . . . . . . . . . . . . .: Unocal Field. ...................: Trading Bay Unit We 11 . . . . . . . . . . . . . . . . . . . . .: A -15 RD API number........ ... ....: 50-733-20105-01 Engineer..... ....... .....: Carlos Pacheco COUNTY:......... .... ... ..: Monopod - Unocal 56 STATE: . . . . . . . . . . . . . . . . . . .: Alaska ----- Survey calculation methods------------- Method for positions... ..: Minimum curvature Method for DLS... ........: Mason & Taylor ----- Depth reference ----------------------- Permanent datum..........: Mean Sea Level Depth reference... .......: Driller's Pipe Tally GL above permanent.......: 0.00 ft KB above permanent.......: Top Drive DF above permanent.......: 101.00 ft ----- vertical section origin---------------- Latitude (+N/S-)....... ..: 0.00 ft Departure (+E/W-) ........: 0.00 ft ----- Platform reference point--------------- Latitude (+N/S-).........: -999.25 ft Departure (+E/W-)........: -999.25 ft ANADRILL SCHLUMBERGER Survey report Azimuth from rotary table to target: 156.20 degrees [(c)2002 Anadrill IDEAL ID6_1C_l0] 31-Jan-2002 07:16:12 Spud date................: Last survey date...... ...: Total accepted surveys. ..: MD of first survey.......: MD of last survey.. ......: Page 1 of 6 06-DEC-Ol 31-Jan-02 124 873.00 ft 12428.00 ft .~ ----- Geomagnetic data -------------------~-- Magnetic model...........: BGGM version 2000 Magnetic date.... ..... ...: 04-Dec-2001 Magnetic field strength..: 1107.65 HCNT Magnetic dec (+E/W-)... ..: 20.76 degrees Magnetic dip.... ....... ..: 73.57 degrees ----- MWD Reference Reference Reference Tolerance Tolerance Tolerance survey Reference G..............: H......~.......: Dip. . . . . . . . . . . . : of G...........: of H...........: of Dip.........: Criteria --------- 1002.03 mGal 1107.65 HCNT 73.57 degrees (+/-) 2.50 mGal (+/-) 6.00 HCNT (+/-) 0.45 degrees '.~ ----- Corrections --------------------------- Magnetic dec (+E/W-)... ..: 20.76 degrees Grid convergence (+E/W-).: 0.00 degrees Total az corr (+E/W-)....: 20.76 degrees (Total az corr = magnetic dec - grid conv) Sag applied (Y/N) ... .....: No degree: 0.00 '- . ANADRILL SCHLUMBERGER Survey Report 31-Jan-2002 07:16:12 Page 2 of 6 --- -------- ------ ------- ------ -------- -------- ---------------- --------------- ------ -------- ------ ------- ------ -------- -------- ---------------- --------------- ----- ----- ------ Seq Measured Incl Azimuth Course TVD Vertical Displ Displ Total At DLS Srvy Tool # depth angle angle length depth section +N/S- +E/W- displ Azim (deg/ tool qual (ft) (deg) (deg) (ft) (ft) (ft) (ft) (ft) (ft) (deg) 100f) type type -------- ------ ------- ------ -------- -------- ---------------- --------------- ------ -------- ------ ------- ------ -------- -------- ---------------- --------------- ----- ------ 1 873.00 15.25 340.00 0.00 863.70 -98.32 91.10 -37.10 98.36 337.84 0.00 TIP 2 1073.00 19.97 340.91 200.00 1054.27 -158.64 148.12 -57.28 158.81 338.86 2.36 D-MAG 3 1110.19 18.56 341.34 37.19 1089.38 -170.87 159.73 -61.25 171.07 339.02 3.81 D-MAG 4 1198.18 15.07 342.37 87.99 1173.60 -196.19 183.91 -69.20 196.50 339.38 3.98 D-MAG 5 1290.79 10.81 344.86 92.61 1263.83 -216.76 203.78 -75.11 217.18 339.77 4.64 D-MAG 6 1384.51 6.27 344.55 93.72 1356.49 -230.52 217.20 -78.77 231.04 340.07 4.84 D-MAG J ~ 7 1477.28 3.71 341.97 92.77 1448.90 -238.52 224.94 -81.05 239.10 340.18 2.77 D-MAG 8 1571.01 3.21 339.32 93.73 1542.46 -244.15 230.28 -82.92 244.75 340.20 0.56 D-MAG 9 1662.92 2.03 32.12 91.91 1634.28 -247.64 234.06 -82.96 248.33 340.48 2.78 D-MAG 10 1756.52 4.37 92.93 93.60 1727.75 -246.96 235.29 -78.52 248.04 341.55 4.08 D-MAG 11 1850.96 7.02 107.11 94.44 1821.72 -241.56 233.40 -69.41 243.50 343.44 3.16 D-MAG 12 1943.99 9.89 115.42 93.03 1913.74 -231.79 228.30 -56.75 235.25 346.04 3.35 D-MAG 13 2038.09 13.42 124.35 94.10 2005.89 -216.39 218.67 -40.43 222.37 349.52 4.20 D-MAG 14 2131.00 16.87 129.60 92.91 2095.56 -195.17 203.98 -21.14 205.08 354.08 3.99 D.>.-MAG 15 2225.67 20.75 132.37 94.67 2185.16 -167.53 183.92 1.85 183.93 0.58 4.20 D-MAG 16 2318.55 24.63 136.86 92.88 2270.84 -134.20 158.70 27.25 161.02 9.74 4.57 D-MAG 17 2413.62 28.53 141.99 95.07 2355.86 -93.48 126.34 54.79 137.70 23.45 4.76 D-MAG 18 2504.81 32.79 143.05 91.19 2434.29 -48.31 89.43 83.06 122.05 42.88 4.71 D-MAG 19 2596.04 37.32 142.65 91.23 2508.95 2.66 47.68 114.70 124.21 67.43 4.97 D-MAG 20 2689.57 40.74 141.50 93.53 2581.59 59.76 1.24 150.91 150.92 89.53 3.74 D-MAG . -...-/ 21 2781.52 40.91 141.21 91.95 2651.17 117.87 -45.71 188.45 193.91 103.63 0.28 D-MAG 22 2873.59 41.14 140.92 92.07 2720.63 176.21 -92.72 226.43 244.68 112.27 0.32 D-MAG 23 2970.38 40.98 140.79 96.79 2793.61 237.52 -142.02 266.56 302.04 118.05 0.19 D-MAG 24 3063.42 40.16 139.01 93.04 2864.29 295.59 -188.31 305.53 358.90 121.65 1.52 D-MAG 25 3155.92 39.46 140.39 92.50 2935.35 352.37 -233.47 343.84 415.61 124.18 1.22 D-MAG 26 3249.69 39.42 140.59 93.77 3007.76 409.71 -279.43 381.74 473.08 126.20 0.14 D-MAG 27 3342.98 38.12 140.67 93.29 3080.50 465.99 -324.59 418.79 529.85 127.78 1.39 D-MAG 28 3436.53 37.07 142.49 93.55 3154.62 521.20 -369.29 454.26 585.43 129.11 1.63 D-MAG 29 3533.48 37.50 142.67 96.95 3231.76 578.28 -415.94 489.95 642.69 130.33 0.46 D-MAG 30 3599.87 37.29 143.15 66.39 3284.50 617.52 -448.10 514.26 682.10 131.07 0.54 D-MAG '- ANADRILL SCHLUMBERGER Survey Report 31-Jan-2002 07:16:12 Page 3 of 6 --- -------- ------ ------- ------ -------- -------- ---------------- --------------- ------ -------- ------ ------- ------ -------- -------- ---------------- --------------- ----- ----- ------ Seg Measured Incl Azimuth Course TVD Vertical Displ Displ Total At DLS Srvy Tool # depth angle angle length depth section +N/S- +E/W- displ Azim (deg/ tool qual (ft) (deg) (deg) (ft) (ft) (ft) (ft) (ft) (ft) (deg) 100f) type type -------- ------ ------- ------ -------- -------- ---------------- --------------- ----- ----- ------ -------- ------ ------- ------ -------- -------- ---------------- --------------- ------ 31 3693.80 39.02 142.71 93.93 3358.36 674.00 -494.40 549.25 738.98 131.99 1.86 D-MAG 32 3786.77 38.92 142.72 92.97 3430.64 730.86 -540.92 584.67 796.51 132.77 0.11 D-MAG 33 3881.03 38.79 143.50 94.26 3504.05 788.45 -588.21 620.16 854.75 133.49 0.54 D-MAG 34 3975.10 39.00 143.65 94.07 3577.26 846.09 -635.74 655.23 912.96 134.13 0.24 D-MAG 35 4066.31 39.55 143.98 91.21 3647.87 902.49 -682.34 689.32 969.92 134.71 0.65 D-MAG 36 4159.45 39.61 144.14 93.14 3719.66 960.50 -730.39 724.15 1028.53 135.25 0.13 D-MAG - ~ 37 4252.36 39.60 141.25 92.91 3791.24 1018.08 -777.49 760.04 1087.27 135.65 1.98 D-MAG 38 4346.38 40.05 139.82 94.02 3863.45 1076.06 -823.97 798.32 1147.27 135.91 1.09 D-MAG 39 4440.17 38.79 139.13 93.79 3935.91 1133.09 -869.24 837.01 1206.72 136.08 1.42 D-MAG 40 4534.31 38.48 138.83 94.14 4009.44 1189.23 -913.59 875.59 1265.42 136.22 0.38 D-MAG 41 4627.29 38.05 138.97 92.98 4082.45 1244.21 -956.98 913.44 1322.94 136.33 0.47 D-MAG 42 4720.44 37.11 140.26 93.15 4156.27 1298.65 -1000.24 950.25 1379.66 136.47 1.32 D-MAG 43 4813.24 36.14 140.83 92.80 4230.75 1351.96 -1042.99 985.43 1434.89 136.63 1.11 D-MAG 44 4908.03 37.07 142.01 94.79 4306.84 1406.61 -1087.18 1020.67 1491.22 136.81 1.23 D-MAG 45 5001.05 37.15 143.80 93.02 4381.02 1461.22 -1131.94 1054.52 1547.03 137.03 1.16 D-MAG 46 5094.97 37.03 144.19 93.92 4455.94 1516.58 -1177.76 1087.82 1603.26 137.27 0.28 D-MAG 47 5187.28 36.32 143.86 92.31 4529.98 1570.48 -1222.38 1120.20 1658.03 137.50 0.80 D-MAG 48 5285.72 36.44 143.11 98.44 4609.23 1627.43 -1269.30 1154.95 1716.11 137.70 0.47 D-MAG 49 5380.23 36.82 141.50 94.51 4685.08 1682.17 -1313.92 1189.43 1772.32 137.85 1.09 D-MAG 50 5441.26 37.06 141.40 61.03 4733.86 1717.64 -1342.60 1212.28 1808.92 137.92 0.41 D-MAG .~ 51 5536.51 39.30 139.97 95.25 4808.73 1774.36 -1388.14 1249.60 1867.73 138.01 2.53 D-MAG 52 5630.32 40.42 139.47 93.81 4880.74 1832.01 -1434.00 1288.47 1927.83 138.06 1.24 D-MAG 53 5722.81 40.53 139.65 92.49 4951.09 1889.53 -1479.69 1327.41 1987.84 138.11 0.17 D-MAG 54 5813.81 41.14 139.93 91.00 5019.94 1946.61 -1525.14 1365.83 2047.32 138.15 0.70 D-MAG 55 5907.43 41.44 140.32 93.62 5090.29 2005.97 -1572.55 1405.43 2109.06 138.21 0.42 D-MAG 56 5999.98 42.08 140.20 92.55 5159.32 2065.24 -1619.94 1444.84 2170.66 138.27 0.70 D-MAG 57 6094.50 41.49 141.32 94.52 5229.80 2125.95 -1668.72 1484.68 2233.58 138.34 1.01 D-MAG 58 6187.91 41.53 142.38 93.41 5299.75 2185.92 -1717.40 1522.92 2295.38 138.43 0.75 D-MAG 59 6282.53 41.43 144.12 94.62 5370.64 2246.99 -1767.61 1560.42 2357.83 138.56 1.22 D-MAG 60 6376.55 40.48 145.39 94.02 5441.65 2307.39 -1817.94 1595.98 2419.10 138.72 1.34 D-MAG .~ ANADRILL SCHLUMBERGER Survey Report 31-Jan-2002 07:16:12 Page 4 of 6 -------- ------ ------- ------ -------- -------- ---------------- --------------- ------ -------- ------ ------- ------ -------- -------- ---------------- --------------- - -,- - - ------ Seq Measured Incl Azimuth Course TVD Vertical Displ Displ Total At DLS Srvy Tool # depth angle angle length depth section +N/S- +E/W- displ Azim (deg/ tool qual (ft) (deg) (deg) (ft) (ft) (ft) (ft) (ft) (ft) (deg) 100f) type type -------- ------ ------- ------ -------- -------- ---------------- --------------- ----- ------ -------- ------ ------- ------ -------- -------- ---------------- --------------- ----- ------ 61 6468.41 40.20 147.05 91.86 5511.67 2365.95 -1867.36 1629.04 2478.07 138.90 1.21 D-MAG 62 6560.99 39.67 147.96 92.58 5582.66 2424.69 -1917.48 1660.97 2536.84 139.10 0.85 D-MAG 63 6656.10 38.84 148.69 95.11 5656.30 2484.31 -1968.69 1692.58 2596.26 139.31 1.00 D-MAG 64 6749.79 38.71 148.64 93.69 5729.35 2542.48 -2018.81 1723.09 2654.17 139.52 0.14 D-MAG 65 6844.16 39.11 148.23 94.37 5802.78 2601.20 -2069.31 1754.12 2712.75 139.71 0.50 D-MAG 66 6938.88 38.44 149.77 94.72 5876.62 2660.05 -2120.15 1784.67 2771.30 139.91 1.24 D-MAG '"'"-"'" 67 7032.90 37.65 152.33 94.02 5950.67 2717.75 -2170.84 1812.72 2828.17 140.14 1.88 D-MAG 68 7128.34 37.49 153.90 95.44 6026.32 2775.85 -2222.74 1839.04 2884.90 140.40 1.02 D-MAG 69 7223.77 37.45 157.18 95.43 6102.07 2833.89 -2275.57 1863.07 2940.96 140.69 2.09 D-MAG 70 7322.89 37.32 159.83 99.12 6180.83 2894.01 -2331.55 1885.12 2998.30 141.04 1.63 D-MAG 71 7411.14 36.93 160.88 88.25 6251.20 2947.13 -2381.71 1903.03 3048.62 141.37 0.84 D-MAG 72 7603.74 35.45 163.05 192.60 6406.64 3060.26 -2489.82 1938.27 3155.33 142.10 1.02 D-MAG 73 7697.52 36.43 162.97 93.78 6482.56 3114.92 -2542.46 1954.35 3206.80 142.45 1.05 D-MAG 74 7789.67 36.47 161.07 92.15 6556.69 3169.38 -2594.53 1971.25 3258.44 142.77 1.23 D-MAG 75 7883.50 36.68 161.15 93.83 6632.04 3225.08 -2647.43 1989.35 3311.55 143.08 0.23 D-MAG 76 7979.47 37.15 156.30 95.97 6708.79 3282.63 -2701.10 2010.26 3367.06 143.34 3.07 D-MAG 77 8164.04 39.39 158.00 184.57 6853.69 3396.91 -2806.45 2054.61 3478.16 143.79 1.34 D-MAG 78 8259.68 39.84 157.85 95.64 6927.37 3457.87 -2862.96 2077.53 3537.32 144.03 0.48 D-MAG 79 8356.51 39.71 157.49 96.83 7001.79 3519.80 -2920.26 2101.07 3597.56 144.27 0.27 D-MAG 80 8450.88 40.41 157.49 94.37 7074.01 3580.52 -2976.37 2124.32 3656.71 144.48 0.74 D-MAG ~ 81 8544.62 40.12 156.73 93.74 7145.54 3641.10 -3032.19 2147.88 3715.85 144.69 0.61 D-MAG 82 8639.32 38.25 156.71 94.70 7218.94 3700.92 -3087.15 2171.53 3774.39 144.88 1.97 D-MAG 83 8734.63 37.78 155.90 95.31 7294.03 3759.62 -3140.90 2195.12 3831.94 145.05 0.72 D-MAG 84 8826.35 36.46 159.18 91.72 7367.17 3814.94 -3192.02 2216.28 3885.99 145.23 2.59 D-MAG 85 8919.70 35.77 161.33 93.35 7442.59 3869.82 -3243.80 2234.87 3939.15 145.43 1.55 D-MAG 86 9013.80 35.99 162.02 94.10 7518.83 3924.71 -3296.15 2252.21 3992.12 145.66 0.49 D-MAG 87 9105.16 36.11 161.39 91.36 7592.70 3978.23 -3347.20 2269.09 4043.82 145.87 0.43 D-MAG 88 9203.33 35.80 161.91 98.17 7672.16 4035.61 -3401.91 2287.23 4099.32 146.09 0.44 D-MAG 89 9296.38 34.98 162.07 93.05 7748.02 4089.22 -3453.15 2303.90 4151.17 146.29 0.89 D-MAG 90 9389.49 35.57 161.96 93.11 7824.04 4142.72 -3504.30 2320.50 4202.95 146.49 0.64 D-MAG '- . ANADRILL SCHLUMBERGER Survey Report 31-Jan-2002 07:16:12 Page 5 of 6 -------- ------ ------- ------ -------- -------- ---------------- --------------- ------ -------- ------ ------- ------ -------- -------- ---------------- --------------- ----- ----- ------ Seq Measured Incl Azimuth Course TVD Vertical Displ Displ Total At DLS Srvy Tool # depth angle angle length depth section +N/S- +E/W- displ Azim (deg/ tool qual (ft) (deg) (deg) (ft) (ft) (ft) (ft) (ft) (ft) (deg) 100f) type type -------- ------ ------- ------ -------- -------- ---------------- --------------- ------ -------- ------ ------- ------ -------- -------- ---------------- --------------- ----- ----- ------ 91 9482.15 37.63 161.25 92.66 7898.42 4197.72 -3556.72 2337.94 4256.31 146.68 2.27 D-MAG 92 9573.30 37.34 160.79 91.15 7970.75 4252.99 -3609.17 2355.98 4310.07 146.86 0.44 D-MAG 93 9667.44 37.35 160.52 94.14 8045.59 4309.92 -3663.05 2374.90 4365.56 147.04 0.17 D-MAG 94 9761.68 36.41 160.88 94.24 8120.97 4366.30 -3716.43 2393.59 4420.53 147.22 1.02 D-MAG 95 9855.69 35.97 160.78 94.01 8196.84 4421.63 -3768.86 2411.82 4474.50 147.38 0.47 D-MAG 96 9954.14 36.12 160.05 98.45 8276.45 4479.40 -3823.44 2431.24 4530.96 147.55 0.46 D-MAG "-"" 97 10049.39 35.73 160.17 95.25 8353.58 4535.16 -3875.99 2450.25 4585.52 147.70 0.42 D-MAG 98 10143.55 34.14 160.26 94.16 8430.77 4588.95 -3926.72 2468.50 4638.17 147.84 1.69 D-MAG 99 10234.92 32.82 160.78 91.37 8506.98 4639.21 -3974.24 2485.31 4687.36 147.98 1.48 D-MAG 100 10329.90 34.31 161.90 94.98 8586.12 4691.50 -4023.99 2502.10 4738.46 148.13 1.70 D-MAG 101 10425.06 36.36 162.44 95.16 8663.74 4746.24 -4076.38 2518.95 4791.87 148.29 2.18 D-MAG 102 10519.96 37.30 161.95 94.90 8739.70 4802.81 -4130.54 2536.35 4847.11 148.45 1.04 D-MAG 103 10613.41 38.23 158.89 93.45 8813.58 4859.87 -4184.45 2555.54 4903.10 148.59 2.24 D-MAG 104 10707.29 37.85 158.07 93.88 8887.52 4917.68 -4238.26 2576.75 4960.09 148.70 0.67 D-MAG 105 10803.43 37.72 157.25 96.14 8963.50 4976.56 -4292.75 2599.14 5018.29 148.81 0.54 D-MAG 106 10897.51 37.59 156.78 94.08 9037.99 5034.03 -4345.66 2621.59 5075.18 148.90 0.34 D-MAG 107 10991.89 39.85 159.40 94.38 9111.62 5093.02 -4400.43 2643.58 5133.44 149.00 2.96 D-MAG 108 11088.97 39.94 160.30 97.08 9186.10 5155.15 -4458.88 2665.03 5194.61 149.13 0.60 D-MAG 109 11180.49 43.51 161.57 91.52 9254.40 5215.84 -4516.45 2684.90 5254.23 149.27 4.01 D-MAG 110 11276.85 43.23 161.86 96.36 9324.45 5281.71 -4579.27 2705.66 5318.87 149.42 0.36 D-MAG 111 11369.26 43.06 161.71 92.41 9391.87 5344.60 -4639.30 2725.41 5380.61 149.57 0.21 D-MAG 112 11465.16 44.51 163.91 95.90 9461.11 5410.51 -4702.69 2745.00 5445.21 149.73 2.19 D-MAG 113 11549.33 49.58 167.41 84.17 9518.46 5471.22 -4762.36 2760.18 5504.42 149.90 6.75 D,MAG 114 11642.74 56.20 168.01 93.41 9574.78 5544.17 -4835.11 2776.01 5575.34 150.14 7.11 D-MAG 115 11732.38 63.65 168.52 89.64 9619.67 5619.97 -4911.00 2791.76 5649.06 150.38 8.33 D-MAG 116 11823.43 70.18 171.67 91.05 9655.36 5701.21 -4993.47 2806.10 5727.91 150.67 7.85 D-MAG 117 11919.41 72.39 172.64 95.98 9686.16 5788.61 -5083.52 2818.51 5812.58 150.99 2.49 D-MAG 118 12016.79 72.81 177.15 97.38 9715.29 5876.60 -5176.04 2826.77 5897.63 151.36 4.44 D-MAG 119 12108.14 73.34 176.94 91.35 9741.88 5958.27 -5263.32 2831.27 5976.51 151.72 0.62 D-MAG 120 12205.15 73.55 177.32 97.01 9769.53 6045.13 -5356.19 2835.93 6060.63 152.10 0.43 D-MAG '- . ANADRILL SCHLUMBERGER Survey Report 31-Jan-2002 07:16:12 --- -------- ------ ------- ------ -------- -------- -------- ------ ------- ------ -------- -------- Seq Measured Incl Azimuth Course TVD Vertical # depth angle angle length depth section (ft) (deg) (deg) (ft) (ft) (ft) --- -------- ------ ------- ------ -------- -------- -------- ------ ------- ------ -------- -------- 121 12235.27 73.64 177.28 30.12 9778.03 6072.08 122 12330.10 74.17 177.50 94.83 9804.32 6157.03 123 12371.48 74.71 177.35 41.38 9815.42 6194.19 124 12428.00 74.71 177.35 56.52 9830.33 6245.04 Last survey is projected to TD [(c)2002 Anadrill IDEAL ID6_1C_l0] ---------------- ---------------- Displ +N/S- (ft) Displ +E/W- (ft) ---------------- ---------------- Page --------------- --------------- Total displ (ft) At Azim (deg) --------------- --------------- -5385.05 2837.29 6086.79 152.22 -5476.07 2841.44 6169.37 152.58 -5515.89 2843.23 6205.57 152.73 -5570.35 2845.75 6255.17 152.94 6 of 6 ----- DLS (deg/ 100f) 0.32 0.60 1.35 0.00 ----- Srvy tool type ----- D-MAG D-MAG D-MAG Proj ------ ------ Tool qual type ------ ------ j ~ ~j '- ) Unocal Alaska \ Union Oil Company of Cal ilia 909 West 9th Avenue, P.O. Box 196247 Anchorage, Alaska 99519-6247 Telephone (907) 276-7600 UNOCAL8 February 1,2002 Ms. Cammy Taylor Alaska Oil and Gas Conservation Commission 333 West 7th Avenue, Suite 100 Anchorage, Alaska 99501 VIA FACSIMILE: (907) 276-7542 VIA U.S. MAIL Re: Trading Bay Field, Monopod Platform Changes to a Program in a Permit to Drill ADL 18731, A-15RD Dear Chair Taylor: Union Oil Company of California (Unocal) hereby requests approval of its deviated A-15RD drilling program in accordance with 20 AAC 25.0 15(b)(1). A spacing exception is not necessary for the following reasons (discussed with the AOGCC January 31, 2002 via teleconference): 1) The targeted depth for the new well is further than 1,000' from the K-13RD; 2) Pursuant to the Alignment Agreement for the Trading Bay Unit (TBU) and Trading Bay Field, ADL 18731 (TBF), by and between Forest Oil Corporation and Unocal, effective January 1, 2002, the relative aligned interests inside the TBU and TBF (ADL 18731) are the same. By letter to the Department of Natural Resources (DNR) dated December 29,2001, Unocal apprised the DNR of the Agreement and copied the Alaska Oil and Gas Conservation Commission of the same. Enclosed please find another copyofUnocal's letter to the DNR along with the Alignment Agreement attached thereto. Thank you in advance for your prompt consideration to this matter. ~~ RECEIVED Shannon W. Martin Project Landman Enclosures FEa 0 5 2002 AfaskaOif&GasCons ,..~-¡- Ancnoragë ,^,,'n'~n ) Unocal Corporation 909 W. 9th Avenue Anchorage, AK 99501 907-263-7660 ,) UNOCAL8 Dan Williamson Drilling Manager ~~c..~~~ o.bo.~"\~~ -\"'" ~~ ~ J (t.......~ ......crt.,~ 0 ~ T" \,,) ~¿)C.)..'1. ~~(( ~ "f-~,"t:.~C-f£~ -\-m~~ \cc c.,(..\-\\ --\ \0 \~ t ~~ ~"~\(.ù\~ Attn: :) ~ . Re. pv\\\-~ ~ ~ \\~OC . ~û~"'^' . \>\->~ -....),\\ 'oc< ~~-\ CÄ'" ~ G...1> hf\~S"''Ð \<r . m_~ W;¡-I , ,,- De~;'~mmissioner Taylor, January 31, 2002 Alaska Oil and Gas Conservation Commission 333 West ih Avenue Anchorage, Alaska 99501 Commissioner Cammy Taylor Application for Permit to Abandon (Form 10-403) Trading Bay Field Monopod Platform, Well A-15RD Enclosed, please find an Application to Abandon (Form 10-403) for well A-15Rd, Monopod Platform. This application is requested to abandon the existing 8-1/2" hole at the Hemlock Formation due to the fact that it's found to be deeper than expected. Making correction at the existing hole geometry is considerably to risky. The well is planned to be side track 400' to the south west for longer lateral section as well as gaining 1 0-20' structure. If you have any questions concerning this application, please contact myself or Tim Billingsley at 263-7659, or Bambang Rachmadi at 263-7808, the Drilling Engineers assigned to this project. Sincerely, ~fAD~ Dan Williamson Drilling Manager enclosure RECEIVED r-t-ß r¡ 1 2002 AlalkaOll & Gas Cons. Commission AndIö.-ayt; ) STATE OF ALASKA) ALASKA Oil AND GAS CONSERVATION COMMISSION APPLICATION FOR SUNDRY APPROVALS ~') ðfVf I-+- :;¡l j JD 1-- 1. Type of Request: Abandon: ~ Suspend: - Operation shutdown: - Re-enter suspended well: Alter casing: - Repair well: - Plugging: ~ Time extension: Stimulate: Change approved program: Pull tubing: Variance: Perforate: Other: 5. Type of well: 6. Datum elevation (DF or KB) Development: ~ 101' RT above MSL Exploratory: 7. Unit or Property name Stratigraphic: Service: feet 2. Name of Operator Union Oil Company of California (UNOCAL) 3. Address P. O. Box 196247 Anchorage, AK 99519-6247 4. Location of well at surface 1616' FSL & 576' FEL of Sec.10, T9N, R13W, SM At top of productive interval 2117' FWL & 1907' FSL of Sec.10, T9N, R13W, SM At effective depth (9,798') 2117' FWL& 1907' FSLofSec.10, T9N, R13W, SM At total depth (9,830') 2120' FWL & 1291' FSL of Sec.10, T9N, R13W, SM 12. Present well condition summary Total depth: measured true vertical Trading Bay Unit 8. Well number Monopod A-15Rd 9. Permit number ~ ~C\-\~, 10. API number 50- ~-133-20105 .. (:) \ 11. Field/Pool McArthur River/Hemlock Pool 11,800' 9,647' feet feet Effective depth: measured true vertical 11,800' 9,647' feet feet PBTD (measured) Casing Structural Conductor Surface Intermediate Production Liner Perforation depth: Length Size Cemented Measured depth True vertical depth 972' 8061' 13-3/8" 9-5/8" 1200 sx 1700 sx 1073' 8160' 1073' 6780' measured RECEIVED Fe~ 01 2002 Alaska Oil & Gas Cons. Commission Anchorage true vertical Tubing (size, grade, and measured depth) Packers and SSSV (type and measured depth) 13. Attachments Description summary of proposal: Detailed operations program: X BOP sketch: 14. Estimated date for commencing operation 1/31/2002 16. If p~~al well verbally aPfroved: ~1Iy'ý)~-~ '/\,-0";>- Name of a;pro~er Date approved Service: (intend to convert to G-zone injector) 17. I her~~r:ify, certi.fy NhaJth~~..r.eg.oing is true and correct to the best of my knowledge. Sign~ t\,i II ~m~~n Williamson Title: Drilling Manager \,.fv FOR COMMISSION USE ONLY Conditions of approval: Notify Commission so representative may witness Plug integrity- BOP Test- Location clearance- Mechanical Integrity Test- Subsequent form required 10- 4() ~ 15. Status of well classification as: Oil: X Gas: Suspended: - Date/-l-D? Approval No. ~~~-C~l Approved by order of the Commissioner Original Signed By Cammy Oechsli AFE #151724 Commissioner 1)t~ Date Form 10-403 Rev 06/15/88 OR\G\NAL SUBMIT IN TRIPLICATE ) ) WELL DIAGRAM MONOPOD A-15RD ABANDONEMENT & SIDE TRACK PLUG ~% §% §2 Š=% ~ §% ~ š=% E ~% ~% 13-3/811 Casing Shoe @ 1073' MO ~ % % % % % % % %- % % % % % ~ . 9-5/811 Casing Shoe @ 8160' MOl 6780' VO ~ Top of Plug @ 10,000' MOl 8,313' VO :55 bbls 17.0 ppg emt) V 30ttom of Plug @ 10,780' MOl 8,945' VO Top of abandonment Plug @ 11,650' MD/9,581' VD 30ttom of abandonment Plug @ 11,800' MD/9,647' YD :15.8 ppg slurry, 50 sxs emt) V 9.4 ppg OBM ~ %" %~ %~ %~ %~ %~ %~ %~ %~ %~ %~ ~ % % % % % % % ~ ~ ~ ~ ~ ~ ÎL ;, 8-1/211 hole side traek (planned @ 10,700') to 711 "...:...\~~g point 12,343' MD/9,790' VD l~'~ ,,"~; Current 8-1/211 Hole TD @ 12,428' MD/9,830' VD ~.J. UNOCAL8 Monol )Platform A-15RD Cement Plug Draft.doc Revised 01/30/02 Cement Abandonment and Sidetrack Plug Objectives: 1) Plug & abandon top of existing Hemlock with 150 ft cement plug 2) Set a side track cement plug due geologic problem (Lower than expected top of Hemlock) at the current TD at 12,428'MD at 11 degree dog leg severity. A new directional plan is being revised with a kickoff point of +/- 10,700' MD and a maximum KOP of 10,850 MD. Status: Bottom of open hole = 12,428' MD. (9,830' TVD, requires 11 deg DLS to build back up to 9715'TVD in 8.5" hole section with the lowest belly at 9856 TVD, and substantially loosing 150 ft lateral). Proposed sidetrack will minimize large belly in the horizontal section as well as gaining ~ 20' structure of Hemlock.) Cement Plugs Procedure: 1 RllI with cementing BRA: Cement stinger will consist 27 joints (~860') of 2-7/8" tubing. Orange-peel bottom of stinger with twenty-five YS" dia holes cut near bottom to allow for good plug placement with minimal mud contamination caused by jetting down below stinger bottom. 2-7/8" x 4-1/2" IF crossover (Full bore id crossover). 5" drill pipe from above window to surface. 2 Break circ as needed on trip in to keep pipe full and to keep any floating coal out of stinger. RllI to '" 11,800' and establish circ rate similar to rate to clean out cement. Note circ pressure to compare with pressure later on while circ out cement. 3 Pump 10 bbls of filtered inlet water 4 Batch mix 11 bbls of 15.8 ppg cement blend with composition as attached. The 11 bbls of cement will give a TOC of 11,650 if 8-1/2" hole is in gauge The above cales are based on cement in the 8-1/2" open hole with no pipe displacement. 860' of 2-7/8" displacement is only 1.93 bbl. 5 Pump 1 bbl filtered inlet water and follow with 11 bbl 11.5 ppg cement 6 Displace cement with Dowell Cement Pump using oil-based mud. PU slowly after cement exits stinger but do not overrun cement top. Under displace cement slightly so that drill pipe is on a vacuum when finished pumping. A-15RD Cement Plug Draft.doc 1 Revised 1/31/02 ~..~ UNOCAL8 Monol )Platform A-15RD Cement Plug Draft.doc Revised 01/30/02 7 POOH slowly from 11,800' to safety 11,180'. Circulate BU at max rate while rotating and reciprocating drill pipe. Note any cement returns. 8 Build 20 bbl viscous WBM pill at the same weight with the existing OBM weight (if possible while Rill) 9 Pump 10 bbls of base oil ahead 10 Pump and balance 20 bbl viscous pill. 11 Pump 1 bbl of base oil behind 12 Balance plug and POOH slowly to 10,980' and circulate bottoms up. 13 Rig up Dowell and pressure test lines to 3000 psi. 14 Build at least ---- 11 bbls "pumpable" 11.0 ppg MudPUSH XLO Spacer 15 Batch mix on the fly 55 bbls of 17.0 ppg cement blend with composition as attached. The 55 bbls of cement will give a TOC of 10,196 if 8-1/2" hole is in gauge The 55 bbls of cement will give a TOC of 10,281 if hole is washed out to average of 9" The above cales are based on cement in the 8-1/2" open hole with no pipe displacement. 860' of 2-7/8" displacement is only 1.93 bbl. 16 Pump 10 bblll.0 ppg MudPUSH XLO spacer ahead followed by 55 bbl cement followed by 1 bbl MudPUSH XLO spacer behind. The two spacers should balance each other in height in the 2-7/8" tubing and the 2-7/8" x 8-1/2" (gauge hole, highest-worst case) annulus. 17 Displace cement and MudPUSH XLO spacers with Dowell Cement Pump using oil-based mud. PU slowly after cement exits stinger but do not overrun cement top. Underdisplace cement slightly (2-3 bbl) so that drill pipe is on a vacuum when finished pumping. 18 POOH slowly from 10,980' to safety 9,700' (---- 500' above "in gauge hole" TOC). Circulate BU at max rate while rotating and reciprocating drill pipe. Note any cement returns. 19 Drop DP dart (make sure it will pump through min id of the cement stinger which should be 2.441" ID) 20 POOH with cement BHA. 2-7/8" capacity = .00579 bbl/ft 5" dp capacity = .01776 bbl/ft 2-7/8" x 8-1/2" = .0622 bbl/ft (in gauge hole) 8-1/2" gauge hole = .0702 bbl/ft 9" avg hole = ..07861 bbl/ft A-l5RD Cement Plug Draft.doc 2 Revised 1/31/02 ~.~ UNOCAL8 Fluid No : pak linr351 Company: Unocal Well Data Job Type BHST Starting Temperature Starting Pressure Composition Code Dry phase contents G 0065 0167 0800 0046 I Wet phase contents Sea water I Slurry Density Base Fluid Cone. Rheology Fann Readings (rpm) 300 200 100 60 30 6 3 Fluid Loss 66 mL in API Fluid Loss Thickening Time Consistency 70 Be Batch Mix Time: 01 :00 hr:mn A-15RD Cement Plug Draft.doc Requested by : Russ W. Well Name: A- 15RD/Monopod Liner 182 degF 80 degF 710 psi Lot Number 15.801b/gal 5.277 gal/sk py : 44.044 cp Depth BHCT Time to Temperature Time to Pressure Cone. 0.30 %BWOC 0.35 %BWOC 0.25 %BWOC 0.25 %BWOC Porosity Mix Fluid At 90 degF / ( deg) 60 47 32 26 20 16 14 Ty: 16.76 Ibf/l00ft2 187 mL at 170 degF and 1000 psi 15 min Time 03:44 hr:mn at 90 degF Monol )Platform A-15RD Cement Plug Draft.doc Revised 01/30/02 Cement Test Report Location: Kenai Field : Trading Bay 01/31/02 LABORATORY BLEND 11826.0 ft 170 degF 01 :34 hr:mn 01 :34 hr:mn 9594.0 ft 5600 psi TVD BHP Heating Rate 59.3 % 5.277 gal/sk Yield 1.19 ft3/sk At 170 degF / (deg) 50 38 24 17 10 4 3 py : 43.484 cp Ty : 7.81 Ibf/100ft2 3 Revised 1/31/02 ..~ UNOCAL8 Mono.. '»>latform A-15RD Cement Plug Draft.doc Revised 01/30/02 I Fluid No : pak plug307 Company: Unocal Well Data Job Type BHST Starting Temperature Starting Pressure Composition Code Dry phase contents G D046 D065 D167 D800 I Wet phase contents Fresh water r Slurry Density Base Fluid Conc. Rheolo~y Faun Readings (rpm) 300 200 100 60 30 6 3 Fluid Loss 42 mL in API Fluid Loss Thickenin~ Time Consistency 30Bc 70Bc 100 Bc Batch Mix Time: 01:00 hr:mn A-15RD Cement Plug Draft.doc Cement Test Report Requested by : Russ W. Well Name: A-15RD Location: Monopod Field : Trading Bay I 01/31/02 I LABORATORY BLEND Plug 163 degF Depth BHCT Time to Temperature Time to Pressure 9600.0 ft 155 degF 8000.0 ft TVD BHP Heating Rate Lot Number Cone. 0.20 %BWOC 1.00 %BWOC 0.20 %BWOC 0.27 %BWOC 17.001b/gal 3.852 gal/sk Porosity Mix Fluid Yield 1.00 ft3/sk 51.3 % 3.852 gal/sk At 90 degF 1 ( deg) 144 105 64 48 35 25 21 At 155 degF 1 (deg) 168 125 80 60 42 27 20 py : 121.607 cp py : 138.346 cp Ty: 23.18 Ibfl I 00ft2 Ty : 31.41 Ibf/1 00ft2 13 min at and 1000 psi 128 mL Time 01:45 hr:mn 03:41 hr:mn 04:20 hr:mn at 90 degF 4 Revised 1/31/02 , .. ) Unocal Alaska Reso ) Unocal Corporation 909 West 9th Avenue, P.O. Box 196247 Anchorage, Alaska 99519-6247 Telephone (907) 263-7600 Facsimile (907) 263-7698 ~ cA"'f UNOCAL cu~ (øf2e ~"'~I hA- Kevin A. Tabler, Manager Land/Government Affairs December 28, 2001 Mr. Mark Myers, Director Department of Natural Resources 550 West 7th Avenue, Suite 800 Anchorage, Alaska 99501-3560 ~ Re: Trading Bay Unit / Trading Bay Field Alignment Agreement Dear Mr. Myers: On December 27, 2001, Union Oil Company of California (Unocal) and Forest Oil Corporation (Forest) entered into an Alignment Agreement for the Trading Bay Unit (TBU) and Trading Bay Field (TBF) with an effective date of January 1, 2002. Resulting from this Agreement, Unocal and Forest will have a còmmon equitY ownership of 53.20% Unocal and 46.80% Forest in the oil bearing horizons for. both TBU and TBF. The Grayling Gas Sand ownerships will remain unchanged and are not impacted by this Agreement. As the allocation of production will change for the G Zone, West Forelands and Hemlock Formations, I have enclosed a copy of the. Alignment Agreement evidencing this allocation change. Unocal is revising the Trading Bay Unit Agreement Exhibits and Schedules, and will file same with your office upon their completion. . As discussed with your staff, we believe this common equity alignment will streamline the reporting and auditing functions for both the State of Alaska and the owner companies. Enclosures cc: Alaska Oil & Gas Conservation Commission Gary Carlson / Forest Oil .1 ') ) UNOCAL /FOREST OIL Alignment Agreement Trading Bay Field I Trading Bay Unit This Agreement is made arid entered into effective as of the 1 st day of January, 2002 (the "Effective Date"), by and among Fo!est Oil Corporation ("Forest"), a New York Corporation and Union Oil Company of California ("Unocal"), a California Corporation, being referred to collectively herein as "Parties" or individually as "Party." IT BEING THE FACT THAT: 1. Forest and Unocal each hold Working Interests in a State of Alaska oil and gas lease in the Trading Bay Field ("TBF") in the Cook Inlet area of Alaska, such lease being herein referred to as the "TBF Lease," which is depicted on Exhibit "A" hereto and .further described in Exhibit "B" hereto; .. 2. Forestand Unocal each hold Working Interests in State of Alaska oil and gas leases in the Trading Bay Unit ("TBU") in the Cook Inlet area of Alaska, such leases being hereip. referred to as the "TBU Leases, II which are depicted on Exhibit '.' A" hereto and further described in Exhibit "B" hereto, and in the Trading Bay Production Facility (TBPF), Forest arid Unocal desire to align their respective Working Interests relative . . to all Production and Costs in the Trading Bay Field and all Production and Costs relative to all interests (excluding the Grayling Gas Sands) in the Trading Bay Unit, as provided in this Agreement, so as to create an area of common lease interests. 3. NOW THEREFORE, in consideration of the premises and of the mutual covenants and agreements contained herein, Forest and Unocal hereby agree as follows: Alignment Agreement Page -1- ) ') Article 1 Definitions For the construction and interpretation of this Agreement, the following capitalized terms shall have the meaning as set forth next to each such term hereinbelow. All capitalized terms not defined in this Agreement shall have the meaning given them in the Trading Bay Field Joint Operating Agreement or the Trading Bay Unit Operating Agreement, respectively. 1.1 Abandonment means the plugging of wells and the dismantling and removal of all equipment and facilities (unless otherwise properly and finally directed by a government agency of competent jurisdiction), including without limitation, the following equipment and facilit~es: platforms, facilities, buildings, pipelines, " gravel pads, roads, airstrip, . surface equipment, . and gravel pits. A drill site or operational area, such as a central processing facility, shall be deemed to be abandoned once all wells are plugged and abandoned in agreement with the AOGCC, and all lines, equipment, pads, roads, and landing strips are removed in agreement with the land owner and applicable agencies. Abandonment shall include restoration required by applicable leases, laws and agreements, except to the extent that such activities constitute "Environmental Remediation" as defmed herein. Abandonment includes the closure of reserve pits. Abandonment shall not include: (1) the abandonment of a well bore to be replaced by another well bore within 500 feet of the original bottomhole location, where such abandonment is required by mechanical failure or regulation; (2) the removal of equipment or facilities for replacement during ongoing operations; (3) activities associated with a change of use of a well, facility or operational area for the benefit of the TBF or TBD Working Interest owners prior to the termination ofField or Unit Operations; Alignment Agreement Page -2- J 1 ) ) or (4) abandonment of a producing zone in preparation for the redrilling or recompletion of a well in a prospective horizon. 1.2 Environmental Remediation means the containment, removal and/or other mitigation of oil, hazardous substances, or other contaminants from water, the ground or gravel pads or the taking of other actions as is necessary to ( a) comply with laws, regulations and lawful directives of government agencies of competent jurisdiction, and (b) minimize or mitigate damage to real property, water (including without limitation ocean,. surface and ground water), air, people, wildlife and fish, and such resources as are managed by the United States, State of Alaska, and local governments. Environmental Remediation includes reserve pit closures. 1.3 Relative Interests means the following relative Working Interests as between Unocal and Forest in all Pool's or WIP A's presently established or to be ~ . established, excluding the Grayling Gas Sands and Grayling Gas Sands WIP A in the TBU: Unocal- 53.20%; Forest- 46.80%. These Relative Interest ownership percentages were derived pursuant to the terms and provisions of the Trading Bay Unit Operating Agreement and the Trading Bay Field Joint Operating Agreement. 1.4 TBF Lease means the lease set forth and identified as such in Exhibit" B, " which is the only lease in the Trading Bay Field. . , 1.5 TBFJOA means the Trading Bay Field Joint Operating Agreement, entered into June 12, 1996, as amended. Alignment Agreement Page -3- 1.6 ) ') TBPF means the Trading Bay Production Facility which is that assemblage of lands (including fee. and leased lands, appurtenant rights of way and easements), and appurtenant pipelines and equipment and facilities located on the west side of Cook Inlet and operated in support of the Trading Bay Unit and Trading Bay Field. 1.7 TBU Leases means the collective group of leases identified in Exhibit "B," which includes all the leases in the Trading Bay Unit. 1.8 TBUA means the Trading Bay Unit Agreement, entered into the 6th day of February 1967, as amended. 1.9 TBUOA means the Trading Bay Unit Operating Agreement, effective the 6th day of February 1967, as amended. ' ~ 2.1 Article 2 Scope The Parties agree to align all of their respective Working Interests in the TBF Lease, the TBU Leases (except the Grayling Gas Sands and. Grayling Gas Sands WIPA) and appurtenant lands, facilities, platforms, pipelines and tangible equipment particularly including the Trading Bay Production Facility. With regard to the Steelhead Platform in the Trading Bay Unit, all slots are owned by the Grayling Gas Sands owners, except for oil slots previously purchased by the oil own~rs of the Trading Bay Unit. Previously purchased oil slots will be aligned consistent with the Parties Relative Interests and the terms of this Agreement. All other slots remain owned by the Grayling Gas Sands owners. Alignment Agreement Page -4- ) ) 2.2 Except as otherwise provided in this Agreement, the TBFJOA and TBUOA, including all Amendments and Supplements thereto, shall remain in full force and effect. Article 3 Exhibits The following Exhibits, are attached to and incorporated into this Agreement: Exhibit" A" , Map showing location of TBF, TBU and TBPF. Exhibit "B" Legal Descriptions ofTBF Lease, TBU Leases and TBPF. ~ . Article 4 Workin~ Interest Ali~nment; Production and Revenue Participation Commencing on the Effective Date, Un~cal's and Forest's Working Interests in the TBF, TBU, and TBPF shall be held in accordance with each party's Relative Interests such that all Production and Costs from the TBF and TBU (excluding Grayling Gas Sands and Grayling Gas Sands WIP A) shall be allocated 53.20% for Unocal and 46.80% for Forest. Any other revenue derived from TBF, TBU and TBPF assets shall be similarly apportioned. Alignment Agreement Page -5- ) ) Article 5 Cost Participation 5.1 General. Commencing on the Effective Date, the Costs of all operations related to the TBF, TBD, and TBPF shall be allocated between the Parties in the percentage of each Party's Relative Interests. This shall apply to all such Costs due on or after the Effective Date, regardless of when they were incurred. 5.2 Abandonment. Commencing on the Effective Date, the Costs of all Abandonment operations in the TBF, TBD, or TBPF due on or after the Effective Date, regardless of when they were incurred, shall be allocated between the Parties in the percentage of each Party's Relative Interests. 5.3 Environmental Remediation. Commencing on the Effective Date, the Costs of all .. Environmental Remediation for the TBF, TBD, and TBPF due on or after the Effective Date, regardless of when they were incurred, shall be allocated between the Parties in the percentage of each Party's Relative Interests. Article 6 Voting 6.1 General. For operations conducted pursuant to the TBFJOA and the TBDOA, the Parties chargeable with the Costs of such operation shall have the right to vote thereon in proportion to their Relative Interests. Alignment Agreement Page -6- ) ) Article 7 Claims Forest and Unocal hereby waive, release and dismiss any Production, revenue, and Cost participátion claims against each other, related to any current dispute, known or unknown, disclosed or undisclosed, whether greater or lesser in size than any party initially believed, arising from Trading Bay Field or Trading Bay Unit operations, transactions or agreements pre-dating this Agreement. Article 8 Effective Date and Term This Agreement is effective upon the Effective Date. This Agreement represents a .. - covenant running with the land and shall remain in full force and effect until termination or expiration of all leases in the Trading Bay Field and the Trading Bay Unit, and Abandonment and Environmental Remediation of the TBF,TBU and TBPF. Article 9 Miscellaneous 9.1 Amendment. This Agreement shall only be amended upon the mutual written -consent of the Parties. 9.2 Authority of the Parties. The Parties hereto each represent and warrant to the other that they have the full power and authority to execute this Agreement. AI ignment Agreement Page -7- '. ) ) 9.3 Conflicts. As among the Parties, if there is a conflict between the terms of this Agreement and the TBUA, TBFJOA, or the TBUOA, including any Amendments and Supplements thereto, this Agreement shall control. 9.4 Counterpart Execution. This Agreement may be executed in counterparts and all counterparts taken together shall have the same effect as if all Parties had signed the same - instrument. 9.5 Enforceability. If any portion or provision of this Agreement or any Exhibit hereto is deemed, by any court or governmental agency with jurisdiction, to be invalid or not enforceable, the Parties agree that such invalidity or unenforceability of such provision or Exhibit shall in nö way affect the validity or enforceability of any other - portion, provision, or Exhibit of this Agreement. 9.6 Governing Law. This Agreement, the relationship, rights, and obligations of the ~ Parties, and all other instruments executed by the Parties in furtherance of the transactions contemplated hereby, shall be governed and interpreted in accordance with the laws of the State of Alaska. It is further agreed that any conflict of law doctrine, which may -direct or refer determination of any such matter to the law of any other jurisdiction shall not be utilized by the Parties. 9.7 Headings for Convenience. The headings and captions of this Agreement are for convenience and reference only alJ.d shall not be considered in interpreting the provisions hereof. 9.8 Successors and Assigns. The provisions of this Agreement shall be covenants running with the lands, leases, and interests covered hereby, and. shall be binding upon and inure to the benefit of the legal representatives, successors and assigns of the Parties hereto. Alignment Agreement Page -8- 12/27/2001 09:22 FAX 907 258 8601 12/27/01 12:24 FAX '. ) FOREST OIL ALASKA ) IaI 002 rl1 01 . IN WITNESS WlŒREOF!t 1bis Agreement is exeçuted as of the Effective Date by and between the Parties. UNION OIL COW'ANY OF CALIFORNIA I .. ~.~ l1 {)O... '3. .. Kevin A. Ç:¡èr Attorney-in-Fact Date:. 2\øll."'-~~.Af'~j FORBST On. CORPORAttON ki /J //.. . G CuÎs~ Senior Vice President Date: ~ .:/27 XtJ/_- , Alipmcat Aøœaaat .. -9- Exhibit "A" Unocal/ Forest Oil Alignment Agreement Jan. 1,2002 T={ADING L Y FIE LD 1;1:1G',~ I , 16?~r ," ~:J..«.~~.:....:. ,WMQNcrOD - ,}tj~,~~1f:~&".(:,i~i:;~;:~j ~ ~ . ." , _:.. "TRADING BAY 'UNIT ~' ,'\. .". :":,.\,1:6 7,~~' .. / () TRADING BAY PROD. FA~. J7579 ~ \ . . Exhibit "B" UNOCAL/FOREST OIL January 1, 2002 Alignment Agreement Tract TRADING SAY UNIT LEASES Lease Number (ADL) Number Acreage Legal Description T8N, R13W, SM,AK Section 04: . All; Section 09: W1/2 Section 16: NW1/4 Section 17: All; 17579 2 2240.00 Section 20: N1/2, SW1/4. T9N, R13W, SM, AK .~ Section 16: All; Sèction 17: S1I2, NE1/4; Section 20: All; Section 21: All; Section 29: All; Section 30: All; Section .31: All; 17594 3 4956.00 Section 32: All. T8N, R14W, SM, AK Section 01: E1/2; 17602 6 ' 640.00 Section 12: E1/2. T8N, R13W, S.M. Sec 19: N/2, SE/4 18716 9 462.50 T8N, R13W, S.M. AK Sec 5:, All; Sec 6: All; Sec 7: All; '-" .. Sec 8: All; ... Sec 18: All. 18729 10 3085.00 T9N, R13W, S.M. Sec 26:- W1/2; Sec 27: All; Sec 28: All; Sec 33: All; Sec 34: All. 18730 11 2880.00 18758 18772 18777 13 14 17 21068. .muu um,:~.u.:~-~ if~:~~~~~,:,::~~.~^ - .== ». .'. TRADING SAY FIELD LEASE lease'Number (ADL) 18731 18 Tract Number nfa 480.00 1600.00 796.00 160.00 Acreage 3840.00 f.--' .~ ~ :;U',..."j 'J!' I 'jij/'~ l~~ ~, ,.. : I. ~..~ ~~~. ¡'£l11n. '1 "; . r "1 ~~ \ 'r ~ .:.. 1 ¡ ~;;¡::: ! ~L:: : f ~ TRADING SAY PRODUCTION FACILITY * Lease Number (ADL) 32299 Tract Number nfa Acreage .JJ 36.65 T9N, R14W, S.M. Sec 25: E1f2; Sec 36: NE1/4. T9N, R13W, S.M. Sec 15: All; Sec 22: All; Sec 23: W1f2. T9N, R13W, S.M. Sec 18: SE1f4; Sec 19: All. '~ T9N, R14W, S.M. Sec 24: SE1f4. legal Description T9N, R13W, SM, AK Section 03: All; Section 04: All; Section 05: All; Section 08: All; Section 09: All; Section 1 0: All. . ~ "a ''"-¡'''''''11i!''!''9'nm.1I'hI''Y'II'':-:m¡w.~. ~'n~~a. 11'\\I;¡::ii¥.iiI ~ i~ r '"f~~ ~ ~.ri-';.t~J'~." ' ~ ~ !:~~ 1;;' - - 'IItrp:ø " iI! ~=' " ~.. 4.' ~:: ¡,¡:-:..,¡ .."...:; ~. ';'" \ ~ .~ .-'"'" ï8. r J è. .r1\¡., " -- . rmum .,.. ~ ,~J~ ~i~"~:'~~.:,~:;''',,! :c:~, i ~~ ~..¡~~.~ legal Description ~ ", T8N, R14W, SM, AK A parcel of land lying within the NW/4 of protracted Section 5 of Cadastral Survey T8N, R14W., SM Alaska, to be designated as File No. 18-48, Survey of State landADL.No. 32299 37596 32549 * Including all appurtenant rights of way, pipelines, facilities and easements nfa nfa 156.67 165.20 ..1 'if TaN, R14W, SM, AK Survey of St~te Land ADL 37596 located within fractional NEf4, Section 06, TaN, R14W, SM, according to Plat No. 74-19 filed in the Anchorage Recording Office on January 24, 1974 T9N, R14W, SM, AK A parcel of land lying within protracted Sections 32 & 33 (Barge Landing appurtenant to TBPF). '~ '~ --'--'\-<'~~ \\\ ~ ) )F ~ ~ 8Cbt -(:)(03 . 8°'- '~9 ~oc¿) -O'-Y (jC@-()19 :!J°3 -003 UNOCAL ~ UNOCAL ALASKA RESOURCES ~\:J", A-15RD, A-15RDST1, A-15RDST1L 1 & \\~'-, A-15RDST1L1A- ~~~Ld~ TRADING SA Y UNIT Section 4- T9N-R13W-SM Cook Inlet, Alaska December 6, 2001 Brian O'Fallon - Sr. Logging Geologist Dick Ebright - Logging Geologist Barry Wright - Logging Geologist Michael Autra - Logging Geologist Mindaugas Kuzminskas - Logging Geologist [~ EPOCH ') ) UNOCAL TABLE OF CONTENTS UNOCAL ALASKA RESOURCES A-15RD, A-15RDST1, A-RDST1 L 1 & A-RDST1 L 1 A MIDDLE GROUND SHOAL COOK INLET, ALASKA TABLE OF CONTENTS...................... ................ .......... ......... ....... .............. ............. ............................. ....1 WELL RESU ME........................................................... .............................................................................2 LITHOLOGY AND COMM ENTS ................ .................. ........................ .............................................. ........3 DAILY ACTIVITY SUM MARY.. .... ............................................................................................................ 50 SURVEY SU M MARY.... ..... ........... ... ...... ...... .......... ................. ... .... ..... ..... ..... ........... .... ....... ........ ....... ......60 BEGIN SURVEY DATA FOR A 15RDST1 L 1A..........................................................................................64 MUD SU M MARY................ ............ .............................................. ...... ........ ...................................... .......65 BIT RECORD.................................... ....... ........................................................ .......................................69 FINAL LOGS.................................................................................... ........... ................ ............. APPEN DIX [~ EPOCH 1 Operator Well Name Field Region County State Coordinates Elevation APllndex Spud Date Kick Off Point Casing Point Hole Size Total Depth Contractor Rig Tool Pushers Company Representatives Directional Company Personnel MWD Company Tools Personnel Epoch Personnel Mud Company Personnel ') ) UNOCAL8 A-15RD WELL RESUME Unocal Alaska Resources A-15RD; A15RDST; A-15RDST1 L 1; A-15RDST1L 1A Trading Bay Cook Inlet Kenai Borough Alaska Section 4, T9N, R13W SM 101' AMSL LO) / I; 7)J"~c'of.CI 50-733-202;54:01 ~-o-13J-À.OI o)'w'öJ.! ro -13~ - ÁC1US-- (,0 :Þ u- 12/06/2001 1074' MD 13 3/8" @ 1073' MD, 9 5/8" @ 8160' MD, 7" @ 12382'MD(ST1) 12.25" to ' MD; 8.5" to 8160' MD, 6.0" to T.D. A 15RD: 12428' MD (9830' ND); A 15RDST: 13620',A-15RDST1 L 1: 13730', A- RDST1L 1A: 15042' Nabors Drilling Alaska Monopod Platform Ernie Sandidge, Rick Brumley, David Smith, Robert Kennedy Doug Niehaus, Shane Hauck Schlumberger Anadrill Mike Ward, Steve Watson Schlumberger Anadrill Real Time Gamma Ray Carlos Pacheco, Izwan Megat, Martin Perez-Valella Brian O'Fallon, Dick Ebright, Barry Wright, Michael Autra, Mindaugas Kuzminskas MI Drilling Fluids Mike Foreman, Monty Kanta, Keith Olson [~ EPOCH 2 ') UNOCAL8 A-15RD LITHOLOGY AND COMMENTS 1100 Coal = black to dusky brown; generally firm and brittle; dull to vitreous luster on fresh surfaces; slightly rough striated texture; occurs as irregular wedge and tabular shaped cuttings; grades to brown carbonaceous shale with soft woody texture; no visible bleeding gas. 1140 Claystone = light gray; moderately soluble washes out of sieve easily; non expansive; sticky mushy consistency; very smooth surface texture; dull luster; occurs as soft rounded lumps; rare laminations of shards and silt. 1190 Sand = very light gray; medium to fine grains; subangular; moderately well sorted in probable slight overall kaolic/ashy clay matrix; massive to thin interbeds of coal, tuffaceous claystone, and claystone; 80% quartz, and 20% black to brownish black and green grains, mostly hard; estimate mostly good porosity and permeability; no oil 1240 Coal = black to dark grayish brown to dark gray; subplaty to irregular fracture with some visible laminae; often scours dusky brown; massive thinly bedded lignite. 1270 Sand = medium light gray to light brownish gray; medium to fine and some coarse grains; subangular to angular; moderately to poorly sorted; 60°!'o quartz, and 40% black to gray to green to light gray mostly partially siliceous lithics and possible epidote; slight to moderate clay matrix; estimate mostly fair to poor porosity and permeability; oil in mud, some intergranular stain and free oil spots; instant and streaming cut. SHOW NO.1: 1275-1350': BEFORE: AVERAGE: PEAK GAS: AFTER: 1 INTERVAL: 1275-1350' FEET: 75 ROP WOB GAS C1 C2 C3 C4 C5 (FT/HR) (KLBS) (UNITS) (PPM) (PPM) (PPM) (PPM) (PPM) 103 24 24 4822 0 0 0 0 195 16 100 21975 37 10 0 0 207 15 152 33358 58 16 0 0 95 28 56 13335 39 2 0 0 SHOW NO.: 1335 Sand = light gray; very fine to rarely grain; angular to sub rounded; moderate to well sorted; fair sphericity; 950/0 of sample is loose unconsolidated grains; trace of light clay matrix; non calc.; rare conglomerate of bit broken quartz; composed of 900/0 quartz, 10% igneous and metamorphic fragments, gray chert and trace epidote; infer fair to good in situ porosity; scattered brown pinpoint oil stains with weak fluorescence and very weak cut diminish to zero shows by 1350' [~ EPOCH 3 ) ) UNOCAL8 A-15RD 1415 Sand = very light brown to light gray; very fine to fine grain; angular to subangular; moderately sorted; poor sphericity; generally unconsolidated; abundant brown clay matrix that washes out during cleaning leaving only loose grains; composed of 900/0 quartz, 10% chert, and dark lithic fragments; infer poor in situ porosity due to clay matrix; grades to argillaceous siltstone; rare brown pinpoint oil stains with even gold sample fluorescence and immediate pale yellow milky cut with rare streamers. Visible shows decrease to nil below 1460'. 1495 Coal = black to very dark brown; hard to occasionally crumbly; rough surface texture; occurs as blocky to bladed cuttings; rare visible gas bubbles 1520 Sand = very light brown to light gray; very fine to fine grain; angular to subangular; moderately sorted; poor sphericity; generally unconsolidated; abundant brown clay matrix that washes out during cleaning leaving only loose grains; composed of 800/0 quartz, 20% chert, and dark lithic fragments; infer poor insitu porosity due to clay matrix; rare brown pinpoint oil stain confined to matrix cemented clusters 1490-1520, porosity inferred fair to good 1560-1625' due to absence of visible clay matrix; interval 1560-1625 has scattered to common brown pinpoint oil stain on individual sand grains; weak to moderate yellow gold sample fluorescence; immediate pale yellow cut fluorescence with occasional streamers. SHOW NO.2: 1560-1625': BEFORE: AVERAGE: PEAK GAS: AFTER: 2 IINTERV AL: ROP WOB (FT/HR) (KLBS) 154 29 255 29 195 28 43 10 1560-1625' . FEET: 65 SHOW NO.: GAS (UNITS) 24 126 317 10 C1 (PPM) 5474 26378 66192 1965 C2 (PPM) 24 182 453 5 C3 C4 C5 (PPM) (PPM) (PPM) 600 100 50 0 249 124 0 200 1620 Coal = black to grayish black to grayish brown; firm to slightly firm; moderately brittle to crunchy; dull to slightly shiny luster; lignite to subbituminous; massive to thinly interbedded with tuffaceous claystone, some carbonaceous shale and conglomerate. 1670 Sand = light gray to light brownish gray; fine to medium grains to slightly scattered coarse to pebble; angular to subangular; moderately to poorly sorted in slight ashy clay matrix grading upward to claystone; 750/0 quartz, and 25% mostly black carbonaceous and coal matter and minor light brown to green to white mostly igneous lithics; estimate mostly fair [~ EPOCH 4 ') ) UNOCAL8 A-15RD to poor porosity; very rare brown oil spots; slight oil sheen and faint light yellow fluorescence with fair instantaneous milky cut 1745 Conglomeratic sand = light gray to very light brown; fine to medium grain with trace lower coarse; angular to subangular; poor to fair sorting; poor sphericity; 90°,10 of sample is loose disaggregated grains; trace of cemented clusters in a light tan ashy matrix; composed of 90% quartz, 10°,10 gray chert, dark igneous and metamorphic lithics; 20% of sample is freshly bit shattered pebbles; infer fair to good in situ porosity in cleaner zones; abundant brown oil stain on individual grains; even gold sample fluorescence; strong cut fluorescence with streamers; quality of oil shows decreases below 1820'. SHOW NO.3: 1764-1825': BEFORE: AVERAGE: PEAK GAS: AFTER: 3 /INTERVAL: ROP WOB (FT/HR) (KLBS) 64 17 121 10 187 17 55 8 1764-1825' FEET: 61 SHOW NO.: GAS (UNITS) 12 71 106 37 C1 (PPM) 2302 15027 24506 7669 C2 (PPM) 34 190 394 66 C3 C4 C5 (PPM) (PPM) (PPM) 25 8 0 104 41 6 256 91 8 35 14 0 1855 Tuffaceous claystone = white to light gray to light brown to brown; very soft and hydrophilic; sandy decreasing to smooth; some slightly to moderately organic mostly with carbonaceous matter but occasionally with oil stain and cut. 1890 Coal = grayish black to dark brownish gray; scours rusty brown; moderately firm with flaky to irregular fracture along bedding laminae; dull to slightly shiny luster; lignite; massive to thinly interbedded white to brown claystone; bleeding gas especially bedding planes. 1935 Coal = grayish black to dark brownish black; rough surface text; moderately firm with flaky to irregular fracture along bedding þlanes; dull to slightly shiny luster; lignite; massive to thinly interbedded white to brown claystone; common gas bubbles on cleat surfaces. 1975 Tuffaceous claystone = light gray to very light brown; soft and mushy when wet, firm and hard when dry; moderately soluble in water; gritty silty texture dull luster; common shards, mica and coal fragments; rare thin micro laminations of silt and fine grain sand. 2015 [~ EPOCH 5 ) ) UNOCAL8 Ä-15RD Coal = grayish black to dark brownish black; rough surface text; moderately firm with flaky to irregular fracture along bedding laminae; dull to slightly shiny luster; lignite; massive to thinly interbedded white to brown claystone; common gas bubbles on clean surfaces. 2055 Tuffaceous claystone = light brownish gray; brittle and hard when dry; dull earthy luster, moderately soluble in water; occurs in sample as mushy rounded lumps; common micro lenses of black carbonaceous material, shards and silt; abundant inclusions of blocky coal fragments; grades to light gray kaolinitic clay and occasionally tuffaceous siltstone. 2125 Sand = light brown to light gray; very to fine grain; trace conglomerate of bit broken pebbles; angular to subrounded; moderately sorted; poor sphericity; composed of 80% quartz, 20% chert, feldspar, dark lithic fragments and coal fines; generally matrix support with tan to light gray clay matrix, probably kaolinite; non calcareous; grades to arenaceous, tuffaceous claystone and rare siltstone; very poor in situ porosity due to clay plugging; no visible oil shows fluorescence or cut. 2200 Sand = light brown; very fine to medium grains; angular to subrounded; poor sorting and sphericity; 20-30% of sample is bit shattered conglomerate pebbles; sand is composed of 70% quartz. 30%) chert, feldspar, dark igneous and metamorphic fragments, mica and rare coal fines; sample is 800/0 loose grains with scattered cemented clusters ína white clay matrix; infer fair to good in situ porosity; common even brown oil stain; even gold fluorescence; immediate yellow cut with streamers. SHOW NO.4: 2195-2225': BEFORE: AVERAGE: PEAK GAS: AFTER: 4 INTERVAL: 2195-2225' FEET: 30 ROP WOB GAS C1 C2 C3 C4 C5 (FT/HR) (KLBS) (UNITS) (PPM) (PPM) (PPM) (PPM) (PPM) 47 4 25 5137 35 14 7 0 89 10 67 13940 120 49 79 0 72 7 98 20673 158 54 87 0 52 22 18 3467 34 17 21 0 SHOW NO.: 2270 Tuffaceous claystone = light brownish gray; brittle and hard when dry; dull earthy luster, moderately soluble in water; occurs in sample as mushy rounded lumps; common micro lenses of black carbonaceous material, shards and silt; abundant inclusions of blocky coal fragments; grades to light gray kaolinitic clay and is interbedded with fissile carbonaceous shale 2325 [j EPOCH 6 ) ) UNOCAL8 A-15RD Sand = light brown; very fine to medium grain; angular to sub rounded; poor sorting and sphericity; 10-20°,10 of sample is bit shattered conglomerate pebbles; sand is composed of 70% quartz. 30% chert, feldspar, dark igneous and metamorphic fragments, mica and rare coal fines; sample is 70°,10 loose grains with scattered cemented clusters in a white clay matrix; infer fair to good porosity; fair even oil sheen in washed sample with dull yellow gold even fluorescence on sand grains; occasional visible light to medium brown stain; instantaneous light yellow milky to diffuse cut. SHOW NO.5: 2325-2400': BEFORE: AVERAGE: PEAK GAS: AFTER: 5 INTERVAL: 2325-2400' FEET: 75 ROP WOB GAS C1 C2 C3 C4 C5 (FTlHR) (KLBS) (UNITS) (PPM) (PPM) (PPM) (PPM) (PPM) 101 29 25 4819 47 14 7 2 130 24 191 34790 506 204 158 38 133 24 375 68461 1023 409 293 95 102 30 48 8949 130 52 65 8 SHOW NO.: 2415 Coal = grayish black to dark brownish gray; moderately brittle to slightly crumbly; irregular to subplaty fracture, with some visible laminae; scours rusty brown on crumbly surfaces; lignite to some subbituminous; very slight isolated micropyrite specs; massive to interbeds of carbonaceous to tuffaceous claystone and some sand; very faint to faint oil sheen in washed sample; slight cut 2410-30' diminishing to trace cut 2430-50'. 2475 Tuffaceous claystone = very light gray to some light brownish gray to brown; hydrophilic; slight to moderate gritty/silty texture; slight disseminated to flaky carbonaceous matter; occasionally grading to carbonaceous shale with thin coal streaks and interbedded coal; some sandy grading sand with angular medium to fine and scattered coarse to pebble grains; slight oil sheen and faint yellow gold fluorescence; slight instantaneous and slight slow streaming cut. 2540 Tuffaceous claystone = very light gray to some light brownish gray to trace brown; hydrophilic; slightly to some moderately gritty/silty texture; occasionally grading carbonaceous shale with thin coal streaks; occasionally grading sand; no visible oil sheen and no cut 2580 Sand = light gray to very light gray; fine to medium and scattered coarse to locally scattered pebble grains; subangular; moderate sphericity; mostly loose grains in white to slightly organic light brownish gray kaolic/ashy matrix; rare well consolidated and dense in calcareous cement; 800/0 quartz, and 20% black to brown to gray to green to red lithics including coal and carbonaceous clay, possibly epidote and feldspar, and minor chert increasing in conglomeratic fraction; estimate mostly fair to poor porosity and permeability; no oil sheen or cut. [:I EPOCH 7 ') ) UNOCAL8 A-15RD 2660 Coal = grayish black to brownish black; often scours rusty brown; moderately brittle to crunchy; irregular to subplaty fracture; lignite to some subbituminous; massive to thin beds and clasts in carbonaceous claystone; very slight micropyrite specs; bleeding gas. 2700 Tuffaceous claystone = light gray to light brownish gray to very light gray; tuffaceous claystone = light gray to light brownish gray to very light gray; hydrophilic; smooth to moderately silty/gritty texture; mostly slightly organic including carbonaceous flakes; some grading carbonaceous shale increasingly organic with thin carbonaceous partings and coal streaks; possible thin interbeds of clayey sands and silt; slightly scattered chert pebbles. 2765 Coal = brownish black to grayish black; often scours rusty brown; crunchy to moderately brittle; irregular to subplaty fracture; lignite; thinly bedded in slightly organic tuffaceous claystone and minor carbonaceous shale; very slight micropyrite; slight bleeding gas. 2805 Sand = light gray to light brownish gray; very fine to medium grains and slightly scattered coarse to trace pebble; angular to subangular; moderate to high sphericity; moderately sorted in slight to moderate clay matrix; 75°/Ó quartz, and 25°/Ó black to gray to rust to tan to red mostly coal, carbonaceous, and clay lithics and minor feldspar; estimate mostly fair porosity and permeability; slight oil sheen and faint odor; trace visible brown oil stain on sand grains; slight instantaneous milky cut to slow diffuse light yellow gold cut diminishing slightly in 2870-2900' sample. SHOW NO.6: 2805-2900': BEFORE: AVERAGE: PEAK GAS: AFTER: 6 INTERVAL: 2805-2900' FEET: 95 ROP WOB GAS C1 C2 C3 C4 C5 (FT/HR) (KLBS) (UNITS) (PPM) (PPM) (PPM) (PPM) (PPM) 88 28 24 4784 92 31 12 0 142 28 65 11965 377 191 106 21 121 18 116 21366 602 340 202 50 100 32 37 6453 225 95 51 8 SHOW NO.: 2890 Sand = light brown to light gray; very fine grain; trace conglomerate of bit broken pebbles; angular to subrounded; moderately sorted; poor sphericity; composed of 800/0 quartz, 20% chert, feldspar, dark lithic fragments and coal fines; generally matrix support with very light gray mushy clay matrix, probably kaolinite; non calcareous; grades to arenaceous, tuffaceous claystone and rare siltstone; very poor in situ porosity due to clay plugging;. no visible oil shows, 2960 [:I EPOCH 8 ) ) UNOCAL8 A-15RD Coal = grayish black to dark brownish black; rough surface text; moderately firm with flaky to irregular fracture along bedding planes; dull to slightly shiny luster; lignite; massive to thinly interbedded white to brown claystone; common gas bubbles on clean surfaces. 3000 Sand = light brown; very fine to fine grain; angular to sub angular; poor sorting and sphericity; 10% of sample is bit shattered conglomerate pebbles; sand is composed of 90% quartz. 1 0% chert, feldspar, dark igneous and metamorphic fragments, mica and rare coal fines; sample is +90°,10 loose grains with scattered cemented clusters in a white clay matrix; infer fair to good porosity; even gold sample fluorescence; common brown oil stain on about 500/0 of grains; immediate milky cut without streamers; quality of oil shows decreases below 3050' SHOW NO.7: 2985-3055': BEFORE: AVERAGE: PEAK GAS: AFTER: 7 INTERVAL: 2985-3055" FEET: 70 ROP WOB GAS C1 C2 C3 C4 C5 (FT/HR) (KLBS) (UNITS) (PPM) (PPM) (PPM) (PPM) (PPM) 75 29 63 11550 281 179 244 6 92 26 86 15525 353 214 225 32 92 27 162 30957 412 258 365 58 77 27 45 8670 123 82 101 20 SHOW NO.: 3080 Coal = grayish black to dark brownish black; rough surface text; moderately firm with flaky to irregular fracture along bedding planes; dull to slightly shiny luster; lignite; massive to thinly interbedded white to brown claystone and commonly brown organic rich carbonaceous shale with occasional woody plant remains. 3130 Tuffaceous claystone = very light gray to light brown; moderately soluble in water mushy, runny consistency; gritty, silty texture; dull luster when dry; occurs as soft mushy lumps in sample; abundant silt, shards, sand and conglomerate pebbles; becomes an argillaceous sand in part; common detrital coal fines; common even light gold fluorescence from clay; very rare visible brown oil spots; very weak light yellow milky cut 3205 Sand = light brown; very fine to fine grain; angular to subangular; fair sorting and sphericity; 10% of sample is bit shattered conglomerate pebbles; sand is composed of 90% quartz. 10% chert, feldspar, dark igneous and metamorphic fragments, mica and rare coal fines; sample is 80% loose grains with scattered cemented clusters in a minimal clay matrix; infer fair to good in situ porosity; even light yellow to gold sample fluorescence; approx.200/0 of sample has a light brown oil stain on individual grains; immediate [j EPOCH 9 ) ) UNOCAL8 A-15RD strong milky cut without streamers; quality of shows decreases downward from 3235' . SHOW NO.8: 3180-3260': BEFORE: AVERAGE: PEAK GAS: AFTER: 8 I INTERVAL: ROP WOB (FT/HR) (KLBS) 39 32 82 26 114 29 79 24 3180-3260' FEET: 80 SHOW NO.: GAS (UNITS) 63 97 158 44 C1 (PPM) 10473 15004 24107 5613 C2 (PPM) . 264 465 778 180 C3 C4 C5 (PPM) (PPM) (PPM) 196 205 49 394 396 153 630 606 260 167 198 98 3300 Conglomeratic sand = light gray overall; fine to medium grains and slight to moderate coarse grains and pebbles; finer fraction subangular, 800/0 quartz, and 20% black to minor gray, red, and green including mostly coal and carbonaceous lithics and minor feldspar; coarser fraction mostly chert and siliceous metalithics and lithics; overall poorly sorted and matrix supported in clay grading claystone and conglomerate; estimate mostly poor to possible fair porosity; no visible oil or fluorescence; slight instant to diffuse cut and faint residue. 3380 Tuffaceous claystone = light brownish gray to some grayish brown; soft and hydrophilic; slightly silty texture; locally with floating pebbles and slightly sandy; mostly slightly organic including disseminated carbonaceous matter; some flaky carbonaceous matter and coal streaks occasionally grading to carbonaceous shale. 3430 Coal = grayish black to brownish black; slightly firm to firm; irregular to sub platy fracture; lignite to subbituminous massive; slight micropyrite specs. 3455 Sand = light brownish gray from 3430-3470' to mostly very light gray to white lower; medium to very fine grains and scattered coarse; moderately to poorly sorted in ashy, kaolic, and variably organic clay; estimate mostly grain supported; some grading to interbedded claystone, carbonaceous claystone and thin coal; 75% quartz, and 25%) mostly black to brown carbonaceous lithics and some green to red to gray partially siliceous lithics; estimate mostly fair to poor porosity and permeability; no odor, or visible stain and fluorescence; very slight instantaneous to diffuse milky cut and weak residue 3475- 3500' . 3540 Coal = grayish black to black to brownish black; firm to slightly firm and moderately brittle to crunchy; irregular to subplaty fracture; subbituminous to lignite; mostly massive to some U EPOCH 10 ) ) UNOCAL8 A-15RD with clay partings and grading to and interbedded with carbonaceous and tuffaceous claystone; slight bleeding gas; some sand and conglomerate at base with a faint diffuse light yellow cut 3580-94'. 3595 Tuffaceous claystone = very light gray to light brownish gray to occasionally grayish brown; soft and hydrophilic; mostly very slightly to some moderately organic including carbonaceous specs and flakes grading carbonaceous shale with slight coal clasts and streaks; slightly sandy overall including occasional floating coarse grains and pebbles. 3645 Sand = light gray to very light gray; very fine to coarse grains and locally scattered pebbles; angular to subangular including fragments; moderately to poorly sorted in probable slight overall clay matrix; 70°1c> quartz, and 30% black to brown to tan to red to gray grains including siliceous igneous, metalithics and lithics; estimate mostly fair to some good porosity and permeability; no visible oil stain; slight odor and sheen; even light yellow fluorescence; slight to moderate light yellow cut. SHOW NO.9: 3634-3760': BEFORE: AVERAGE: PEAK GAS: AFTER: 9 INTERVAL: 3634-3760' FEET: 126 ROP WOB GAS C1 C2 C3 C4 C5 (FTlHR) (KLBS) (UNITS) (PPM) (PPM) (PPM) (PPM) (PPM) 28 13 7 1073 35 34 19 4 158 21 118 16620 858 942 603 246 195 20 220 31215 1687 1818 1131 413 71 18 32 4405 198 224 180 84 SHOW NO.: 3715 Carbonaceous shale = grayish brown to light brownish gray; soft and hydrophilic; amorphous to slightly flaky; moderately to slightly organic including disseminated matter and flakes and very thin partings of carbonaceous matter; some thin coal streaks and beds; locally sandy to conglomeratic especially grading tuffaceous claystone and sand. 3775 Sand = light brown; very fine to fine grain; angular to sub rounded; fair sorting and sphericity; 50/0 of sample is bit broken chert and quartz pebbles; sand is composed of 90% quartz, 10% chert, feldspar, dark igneous and metamorphic fragments, mica and rare coal fines; sample is 90% loose grains with scattered cemented clusters in a light gray clay matrix; infer fair to good in situ porosity; sand from 3780-3800 is abundantly clay packed with poor porosity; even light gold sample fluorescence, very slow milky cut; less than 50/0 of sample has visible brown oil stain on individual sand grains; rainbow oil sheen visible on washed sample. SHOW NO. 10: -3800-3850': I SHOW NO.: I 10 INTERVAL: I 3800-3850' I I FEET: I 50 I [j EPOCH 11 BEFORE: AVERAGE: PEAK GAS: AFTER: 3865 ) ) UNOCAL8 A-15RD ROP (FT/HR) 115 114 166 24 WOB (KLBS) 28 31 28 23 GAS (UNITS) 156 183 375 46 C1 (PPM) 26457 29557 63370 6529 C2 (PPM) 721 863 1757 213 C3 C4 C5 (PPM) (PPM) (PPM) 730 600 247 874 696 290 1740 1383 569 222 178 86 Sand = light brown; very fine to fine grain; angular to sub rounded; fair sorting and sphericity; 5- 100/0 of sample is bit broken chert and quartz pebbles; sand is composed of 90% quartz. 100/0 chert, feldspar, dark igneous and metamorphic fragments, mica and rare coal fines; sample is 90% loose grains with scattered cemented clusters in a light gray ashy clay matrix, probably kaolinite; estimate mostly fair to good in situ porosity; even light gold sample fluorescence, very slow milky cut; less than 5% of sample has visible brown oil stain on individual sand grains; rainbow oil sheen visible on washed sample. SHOW NO.: SHOW NO. 11: 3880-4090': BEFORE: AVERAGE: PEAK GAS: AFTER: 3950 11 INTERVAL: 3880-4090' FEET: 210 ROP WOB GAS C1 C2 C3 C4 C5 (FT/HR) (KLBS) (UNITS) (PPM) (PPM) (PPM) (PPM) (PPM) 69 25 89 13408 354 346 287 156 84 14 215 32325 1024 1022 789 432 124 16 566 78712 2676 2720 2060 1039 14 7 39 4102 128 137 98 109 Sand = light brown; very fine to fine grain; angular to sub rounded; fair sorting and sphericity; 15-2% of sample is bit broken chert and quartz pebbles; sand is composed of 90% quartz. 10% chert, feldspar, dark igneous and metamorphic fragments, mica and rare coal fines; sample is 90% loose grains with scattered cemented clusters in a light gray ashy clay matrix, probably kaolinite; estimate mostly fair to good in situ porosity; even light gold sample fluorescence, moderate milky cut; 5-10% of sample has visible brown oil stain on individual sand grains; rainbow oil sheen visible on washed sample. 4035 Conglomerate (4040-4055) = light gray; very coarse to pebble size; well rounded frosted grain surfaces; moderately consolidated; clasts are in a light gray to white kaolinitic, ashy, clay matrix with abundant sand and silt size grains; pebbles are composed of quartz, chert, quartzite, slate, and dark igneous and metamorphic lithics 95% bit broken; scattered visible brown oil stain confined to matrix material; variable mineral fluorescence; slow milky cut; oil sheen visible on washed sample. 4110 [~ EPOCH 12 ) ) UNOCAL8 A-15RD Coal = grayish black to brownish black; slightly firm to firm; crunchy to some slightly brittle; common visible lamina hard to soft packed with hackly to flaky fracture; lignite to subbituminous with some thin carbonaceous clay partings. 4145 Sand = light olive gray to very light gray; coarse lower to very fine grains especially medium to fine, and slightly scattered coarse to locally pebbles; subangular to angular to locally subrounded; moderately to some poorly sorted in overall slight kaolic clay matrix locally grading kaolic/ashy tuff; 70-80% quartz, and 20-300/0 black to dark gray to tan to minor red, bluish gray, and green including partially siliceous coal, clay, and tuff clasts, metalithics and chert, and feldspar, with chert increasing in conglomeratic fraction; estimate mostly fair to locally good porosity and permeability; slight spotty oil stain; faint to fair odor; fair oil sheen in mud; slight to faint oil sheen on washed sample with dull to moderate yellow gold fluorescence and cut. SHOW NO. 12: 4135-4209': BEFORE: AVERAGE: PEAK GAS: AFTER: 12 I INTERVAL: 4135-4209' FEET: 84 ROP WOB GAS C1 C2 C3 C4 C5 (FTlHR) (KLBS) (UNITS) (PPM) (PPM) (PPM) (PPM) (PPM) 12 3.8 47 5809 114 86 76 88 46 6.1 243 35445 1022 1078 773 461 40 6.9 529 73237 2228 2338 1720 1090 SHOW #13 SHOW NO.: 4250 Conglomeratic sand = light olive gray to medium light gray; very fine to pebbles and fragments; subangular to angular; mostly loose grains in sample to occasional well consolidated with rare hard packed siliceous to slightly calcareous clay cement to occasional loosely consolidated in white to light brownish gray clay; 40% quartz, and 60% black to tan to bluish gray to white to green to red grains including chert, metalithics including sandstone pebbles, partially siliceous lithics and tuffs, and minor feldspar; estimate variable porosity and permeability from very poor to occasionally good; fair oil sheen in mud and faint to fair oil sheen in washed sample; fair to faint odor; some spotty stain on grains and hard clays; slight even light yellow fluorescence overall with some moderate on individual grains and hard clay matrix; fair instantaneous overall cut with some slow streams to diffuse. SHOW NO. 13: 4210-4365': SHOW NO.: 13 I INTERVAL: 4210-4365' FEET: 155 ROP WOB GAS C1 C2 C3 C4 C5 (FT/HR) (KLBS) (UNITS) (PPM) (PPM) (PPM) (PPM) (PPM) BEFORE: SHOW #12 AVERAGE: 63 4.6 341 46200 1441 1690 1522 837 PEAK GAS: 51 1.2 62 86067 2720 3085 2653 1421 AFTER: 1.2 4.3 48 1059 61 96 228 309 4395 [~ EPOCH 13 ) ) UNOCAL8 A-15RD Sand = light brown; very fine to fine grain; angular to sub rounded; fair sorting, mod. Sphericity; rare angular bit broken chert and quartz pebbles; sand is 90% quartz, 10% gray to black chert, pink feldspar, dark igneous and metamorphic fragments, mica and rare coal fines; sample is 90% loose grains with rare weakly indurated clusters in a light gray calcareous clay matrix; infer fair to good in situ porosity; no visible oil stain; even, weak, light gold sample fluorescence, very weak, pale yellow, diffuse cut without streamers. 4475 Coal = dark gray to grayish black to brownish black; slightly firm to firm to occasionally hard; mostly crumbly to moderately brittle; flaky to irregular fracture; lignite to occasionally subbituminous; hard coals siliceous and probably reworked as clasts in conglomeratic clays and sands; massive to occasionally grading brown carbonaceous shale. 4530 Tuffaceous claystone = light gray to light bluish gray to very light gray to grayish brown; soft and slightly to moderately hydrophilic; smooth to silty/sandy and scattered pebbles; occasional carbonaceous with coal streaks. 4565 Conglomeratic sand = medium light gray to light bluish gray; very fine to some coarse and pebbles; angular to subangular; poorly to moderately sorted in variable clay matrix some grading to siltstone, claystone, and conglomerate; 750/0 quartz, arid 25% mostly black partially siliceous coal to some grayish chert and partially siliceous tan, red and green lithics; estimate fair to poor porosity decreasing grading clay; faint to slight light yellow fluorescence and sheen; trace visible light brown to brown spotty oil stain; trace diffuse cut except fair cut 4550-70'. SHOW NO. 14: 4545-4615': BEFORE: AVERAGE: PEAK GAS: AFTER: 14 INTERVAL: 4545-4615 FEET: 70 ROP WOB GAS C1 C2 C3 C4 C5 (FT/HR) (KLBS) (UNITS) (PPM) (PPM) (PPM) (PPM) (PPM) 22 30 18 2035 56 74 105 44 53 28 131 19660 460 443 439 193 69 29 186 29330 662 585 533 220 23 29 55 7331 186 206 228 81 SHOW NO.: 4645 Coal = grayish black to brownish black; slightly firm to firm; crunchy to moderately brittle; hackly to subplanar fracture; lignite; massive to rare grading carbonaceous shale. SHOW NO. 15:4650-5152': 4675 Sand = medium light gray to occasionally very light gray to light brownish gray; very fine to coarse and locally slight pebble, mostly medium to fine fast drilling; subrounded to [J EPOCH 14 ) ) UNOCAL8 Ä-15RD angular; moderately to poorly sorted; mostly very slight clay matrix; some clayey with probable thin clay zones; 70-80°,10 quartz, and 20-30°,10 mostly black to minor tan, gray, red and green partially siliceous and chert; estimate mostly good to fair porosity; very faint sheen and overall slight to fair even light yellow fluorescence with slight instantaneous to diffuse cut. SHOW NO.: BEFORE: AVERAGE: PEAK GAS: AFTER: 4760 15A I INTERVAL: 4650-4750' FEET: 100 ROP WOB GAS C1 C2 C3 C4 C5 (FT/HR) (KLBS) (UNITS) (PPM) (PPM) (PPM) (PPM) (PPM) 14 20 30 3631 100 130 171 68 76 17 461 73178 983 790 820 433 107 21 894 143714 1982 1513 1520 802 41 10 209 35284 411 333 393 244 Sand = light gray to light brownish gray; fine to medium grain to occasionally coarse grain; subangular to rarely rounded; poorly sorted; fair to high sphericity in rounded fraction; about 20 % of sample is well rounded pebbles of mostly gray to black chert and some quartz and dark lithics; overall sample is 70% quartz, 30°,10 gray chert, feldspar, dark igneous and metamorphic lithic fragments, slate, mica and rare coal fines; sample is over 90% loose grains; rare clusters in a light gray clay matrix; estimate fair to good in situ porosity especially in cleaner zones; no visible oil stain; even, weak, light gold sample fluorescence, very weak, pale yellow, diffuse cut without streamers; weak light yellow ring fluorescence; faint sheen visible on washed sample. SHOW NO.: BEFORE: AVERAGE: PEAK GAS: AFTER: 4865 15B I INTERVAL: 4751-4860' FEET: 109 ROP WOB GAS C1 C2 C3 C4 C5 (FTlHR) (KLBS) (UNITS) (PPM) (PPM) (PPM) (PPM) (PPM) 41 10 209 35284 411 333 393 244 104 18 352 60411 646 460 553 317 189 30 597 108090 1133 748 867 518 150 29 268 45412 442 296 375 224 Sand = light gray to light brownish gray; fine to medium grain to occasionally coarse grain; subangular to rarely rounded; poorly sorted; fair to high sphericity in rounded fraction; about 20 % of sample is well rounded pebbles of mostly gray to black chert and some quartz and dark lithics many broken by bit shearing; overall sample consists of 700/0 quartz, 300/0 gray chert, feldspar, dark igneous and metamorphic lithic fragments, slate, mica and rare coal fines; sample is over 90% loose grains; rare clusters in a light gray clay matrix; estimate fair to good in situ porosity especially in cleaner zones; no visible oil stain; even, weak light gold sample fluorescence, very weak, pale yellow, diffuse cut without streamers; weak light yellow ring fluorescence; faint sheen visible on washed sample. SHOW NO.: BEFORE: AVERAGE: 15C I INTERVAL: ROP WOB (FT/HR) (KLBS) 150 29 136 22 4861-4965' FEET: 104 GAS (UNITS) 268 474 C1 (PPM) 45412 77601 C2 C3 C4 C5 (PPM) (PPM) (PPM) (PPM) 442 296 375 224 734 459 550 308 [J EPOCH 15 PEAK GAS: I AFTER: 4975 ) ) UNOCAL8 A-15RD 137 30 I 592 I 729 I 462 I 226 303 227 26 20 641 281 103747 41926 951 372 Sand = light gray to light brownish gray; fine to medium grain to occasionally coarse grain; subangular to rarely rounded; poorly sorted; fair to high sphericity in rounded fraction; 10-20 % of sample is rounded pebbles of mostly gray to black chert and some quartz and dark lithics, many broken by bit action; overall sample consists of 70°.10 quartz, 30°.10 gray chert, feldspar, dark igneous and metamorphic lithic fragments, slate, mica and rare coal fines; sample is over 90°.10 loose grains; rare clusters in a light gray soluble calcareous clay matrix that washes out of sieve easily; no oil stain; weak light yellow sample fluorescence; very weak slow diffuse milky cut that leaves a faint yellow fluorescent ring; trace faint rainbow oil sheen on washed sample. SHOW NO.: BEFORE: AVERAGE: PEAK GAS: AFTER: 5100 15D INTERVAL: 4966-5080' FEET: 114 ROP WOB GAS C1 C2 C3 C4 C5 (FT/HR) (KLBS) (UNITS) (PPM) (PPM) (PPM) (PPM) (PPM) 30 20 281 41926 372 226 303 227 103 23 336 57303 453 252 381 263 85 20 547 95800 700 345 540 353 126 28 254 42916 305 141 229 148 Conglomeratic sand=light gray to light brownish gray; conglomerate fraction is very coarse to pebble size; well rounded frosted grain surfaces; moderately consolidated; clasts are in a light gray to white kaolinitic, ashy, clay matrix with abundant sand and silt size grains; pebbles are composed of quartz, chert, quartzite, slate, and dark igneous and metamorphic lithics, 900/0 are bit broken; sand fraction is light to very light gray; fine to lower medium grain; angular to subangular; fair sorting; poor sphericity; composed of 700/0 quartz, 300/0 black chert and abundant dark igneous and metamorphic fragments; sample is +95% loose grains; rare soluble clay matrix that washes out of sieve during washing; no visible oil stain; no fluorescence; extremely weak diffuse cut; no sheen on washed sample. SHOW NO.: BEFORE: AVERAGE: PEAK GAS: AFTER: 5210 15E INTERVAL: 5081-5152' FEET: 71 ROP WOB GAS C1 C2 C3 C4 C5 (FTlHR) (KLBS) (UNITS) (PPM) (PPM) (PPM) (PPM) (PPM) 126 28 254 42916 305 141 229 148 89 20 294 52629 375 176 293 206 140 28 462 77870 550 254 417 286 38 23 36 5098 39 26 55 42 Conglomerate = light gray to brownish gray; coarse to pebble size; rounded frosted grain surfaces; moderately consolidated; rare clasts are in a gray to white kaolinitic, ashy, clay matrix with abundant sand, silt and shards; pebbles are composed of quartz, chert, quartzite, slate, and dark igneous and metamorphic lithics, most are bit broken sample is ~ EPOCH 16 ) ) UNOCAL8 A-15RD mostly loose disaggregated grains and broken pebbles with no visible cement or matrix; no visible oil stain; no fluorescence; no cut. 5285 Coal = black to grayish black; very firm and slightly brittle to slightly firm and crunchy; irregular subblocky to subplaty and flaky fracture; moderately shiny to dull luster; dense to laminar; bituminous to lignite; mostly massive; some thin beds and clasts in carbonaceous shale and occasionally hard and siliceous probably reworked as clasts in conglomeratic sand and conglomerate. 5340 Conglomeratic sand = medium light gray; medium to fine to scattered coarse and pebble grains; subangular to subrounded; moderately to some poorly sorted; estimate slight overall clay matrix; 80°,10 quartz and 20% mostly black to some gray to red to green partially siliceous lithics; estimate mostly fair to some good porosity and permeability; trace to no fluorescence or cut. 5395 Coal = grayish black to brownish black to black; very firm and slightly brittle to slightly firm and crunchy; irregular subplaty to irregular subblocky fracture; lignite to occasionally bituminous; massive to grading to carbonaceous shale. 5430 Conglomeratic sand = medium gray to medium light gray; coarse grains and pebbles to fine grains; subangular to angular; poorly to some moderately sorted in overall slight clay matrix and possible thin beds grading claystone and conglomerate; 50°,10 quartz and 50% mostly black to some gray to white to minor tan, red, and green including metalithics and chert, and partially siliceous lithics; estimate mostly fair to poor porosity and permeability; some spotty dull fluorescence and trace visible oil stain; trace instantaneous to diffuse cut. 5510 Conglomeratic sand = medium gray to medium light gray; fine to coarse grains and pebbles; subangular to angular; poorly to some moderately sorted in overall slight clay matrix and possible thin beds grading claystone, coal, and conglomerate; 50% quartz, and 500/0 mostly black to some gray to white to minor tan, red, and green including metalithics and chert, and partially siliceous lithics; estimate mostly fair to poor porosity and permeability; some dull old fluorescence on isolated grains; very slight diffuse cut. 5585 Conglomerate = brownish gray to medium gray; pebbles and fragments to some coarse to fine grains; poorly sorted grading downward to white to light gray tuffaceous and brownish gray carbonaceous claystone. 5620 [~ EPOCH 17 ) ) UNOCAL8 A-15RD Coal = brownish black to grayish black to black; very firm and slightly brittle to slightly firm and crunchy; irregular hackly to subplaty fracture; dense and moderately shiny to laminar and dull to earthy with organic clay partings; mostly massive lignite to some bituminous to grading carbonaceous shale with thin coal partings. 5670 Tuffaceous claystone = light brownish gray; very soluble to soluble; gritty/silty to smooth texture; lightly speckled dark carbonaceous matter in slight organic clays; trace micas; grading clayey sandstone with angular very fine to fine grains and silt; trace disseminated micas 5715 Sand = light gray to light brownish gray; very fine to medium grains, mostly fine; angular; moderately to poorly sorted mostly grain supported in clay matrix; clays mostly very slightly to slightly organic; 75-85% quartz, 10-15% coal and carbonaceous speckles, and 50/0 gray, red, green and white lithics; trace to slight floating pebbles; estimate poor to fair porosity and permeability due to clay infilling; no fluorescence or cut. 5780 Sand = medium light gray; very fine to coarse, especially medium to fine, and locally scattered pebbles; angular to subangular; moderate sphericity; moderately sorted in overall slight clay matrix; possible thin zones clay and conglomerate; 85% quartz, and 15% black to dark brown to white to tan mostly coal and carbonaceous lithics, slight calcareous matter and other lithics; estimate mostly fair porosity and permeability; no oil indicators. 5845 Sand = light gray to medium light gray; very fine to coarse especially fine to coarse lower, and locally scattered pebbles; subangular to angular; estimate moderately to some poorly sorted in overall slight clay matrix; 850/0 quartz and 15% black to gray to brown to green partially siliceous lithics, metalithics chert, and calcareous matter; estimate mostly fair porosity and permeability; no oil indicators. 5905 Sand = light gray to medium light gray; very fine to coarse especially fine to coarse lower, and locally scattered pebbles; subangular to angular; estimate moderately to some poorly sorted in overall slight clay matrix; probable thin beds tuffaceous claystone and tuff; 85% quartz, 15% black to gray to brown to green partially siliceous lithics, metalithics, chert, and calcareous matter; estimate mostly fair porosity and permeability; no oil indicators. 5975 Coal = black to grayish black to grayish brown; firm to slightly firm; moderately brittle to crunchy; dull to slightly shiny luster; lignite to sub bituminous; occasional thin interbeds of dark brown, fissile carbonaceous shale and conglomerate; common rough, striated surfaces; blocky to tabular habit; common bleeding gas bubbles on clean surfaces and bedding planes. U EPOCH 18 ) UNOCAL8 A-15RD ) 6030 Tuffaceous claystone = very light gray to light brown; moderately soluble in water mushy, runny consistency; gritty, silty texture; dull luster when dry; occurs as soft mushy lumps in sample; abundant silt, shards, sand and conglomerate pebbles; grades to an argillaceous sand in part; common detrital coal fines and black to brown specks of organic material; abundant bladed coal cavings. 6085 Tuffaceous claystone = very light gray to light brown; moderately soluble in water washes out of sieve readily leaving a residue of sand, pebbles and shards; mushy, runny consistency; gritty, silty texture; dull luster when dry; occurs as soft mushy lumps in sample; abundant silt, shards, sand and conglomerate pebbles embedded in the clay matrix; grades to an argillaceous sand in part; common detrital coal fines and black to brown specks of organic material; common coal cavings. 6170 Coal = black to grayish black to grayish brown; firm to slightly firm; moderately brittle to crunchy; dull to slightly shiny luster; lignite to sub bituminous; occasional thin interbeds of dark brown, fissile carbonaceous shale and conglomerate; common rough, striated surfaces; blocky to tabular habit; common bleeding gas bubbles on clean surfaces and bedding planes. 6225 Conglomerate = light to medium gray; very coarse to pebble size; well rounded frosted grain surfaces; moderately consolidated; rare clasts are in a gray to white kaolinitic, ashy, clay matrix with abundant sand and silt size grains; pebbles are composed of quartz, chert, quartzite, slate, and dark igneous and metamorphic lithics 95% bit broken; no visible oil indicators. / 6285 Sand = medium light gray; very fine to coarse grains, especially medium to fine and trace very coarse to pebble; angular to subangular; moderately sorted in overall very slight clay matrix; 850/0 quartz, and 15% mostly black to dark gray metalithics and partially siliceous lithics including coal fines, and minor white, tan, red, and green including calcareous matter; estimate mostly fair porosity and permeability; no hydrocarbon indicators. 6350 Tuffaceous claystone = very light gray to white to occasionally brownish gray; hydrophilic except occasionally firm and calcareous; slightly to moderately silty/gritty texture with mostly angular silts and fine grains to occasional floating coarse and pebble sized phenocrysts; occasionally organic commonly associated with coal streaks. 6400 [:I EPOCH 19 ) ) UNOCALCf> A-15RD Tuffaceous claystone = medium light gray to light brownish gray; hydrophilic; slight to moderate silty/fine sandy texture with slightly scattered larger grains; overall slight to very slightly organic; slight carbonaceous matter and coal; slight disseminated calcareous matter. 6445 Sand = medium light gray; very fine to medium grains and scattered coarse to trace pebble; angular; moderate sphericity; moderately sorted in overall slight clay matrix; some sandstone with calcareous cement; 85% quartz, and 15%) black to gray to brown to tan to white to red to green partially siliceous lithics and metalithics and chert; estimate fair to some poor porosity and permeability; no oil indicators. 6505 Tuffaceous claystone = medium light gray to light brownish gray; soft and soluble; smooth to silty texture; often sandy as sand cavings wash into soluble clays; slightly organic; slight coal and carbonaceous matter; possible thin coal streaks locally; slight calcareous matter. 6550 Tuffaceous claystone = light brownish gray to medium light gray; soft to occasionally slightly firm; smooth to some silty texture; some sandy texture, in part do to sloughing sands absorbed into hydrophilic clays; slightly organic with locally coal partings and thin beds and occasionally grading to carbonaceous shale; trace calcite. 6605 Tuffaceous claystone = very light gray to light brown; moderately soluble in water mushy, runny consistency; gritty, silty texture; dull luster when dry; occurs as soft mushy lumps in sample; common silt, shards, sand and conglomerate pebbles; grades to an argillaceous sand in part; common detrital coal fines and black to brown specks of organic material; thin interbeds of coal and especially dark brown, fissile carbonaceous shale; rare thin interlaminations of pebble conglomerate. 6675 Tuffaceous claystone = very light gray to light brown; moderately soluble in water; mushy to somewhat firm; gritty, silty texture; dull luster when dry; occurs as soft runny lumps in sample; common shards, sand and silt embedded in matrix; grades to an argillaceous sand in part; common detrital coal fines and black to brown specks of organic material; thin interbeds of coal and e.specially dark brown, fissile carbonaceous shale; rare thin interlaminations of pebble conglomerate. 6760 Coal = black to grayish black to grayish brown; firm to slightly firm; moderately brittle to crunchy; dull to slightly shiny luster; lignite to sub bituminous; occasional thin interbeds of dark brown, fissile carbonaceous shale and conglomerate; common rough, striated surfaces; blocky to tabular habit; common bleeding gas bubbles on clean surfaces and bedding planes. [j EPOCH 20 ) UNOCAL8 A-15RD ) 6815 Coal = black to grayish black to grayish brown; hard to slightly firm; moderately brittle to crunchy; dull to slightly shiny luster; appears sub bituminous; occasional thin interbeds of dark brown, fissile carbonaceous shale and conglomerate; common rough, striated surfaces with conchoidal fracture; bladed to blocky cuttings habit; common bleeding gas on bedding planes. 6880 Tuffaceous claystone = very light gray to medium light gray to light brownish gray; soft and mushy and hydrophilic; smooth to some silty/fine sandy texture; slight disseminated coal fines especially silty; often grading carbonaceous shale associated with coal partings and thin beds; some slightly to moderately calcareous including calcite. 6930 Carbonaceous shale = grayish brown to light brownish gray; soft to moderately soft to occasionally slightly firm; moderately hydrophilic; amorphous to subplaty to flaky; moderately to slightly organic; slight to moderate carbonaceous matter loosely scattered to subplanar flakes and partings along laminations; streaks and thin beds coal. 6980 Sand = light gray to very light gray; very fine to medium, especially fine to medium, and scattered coarse to trace pebble; angular to subangular; moderate sphericity; estimate mostly very slight to locally moderate kaolic clay matrix; moderately sorted overall; 80% quartz, and 20°Æ> mostly black to brown coal and clay lithics, siliceous in part; estimate fair porosity and permeability; no oil indicators. 7045 Coal = black to dark brownish black; hard to slightly firm; moderately brittle to crunchy; dull to slightly shiny luster; rough striated surfaces with conchoidal to hackly fracture; tabular to irregular cuttings habit; thin interbeds of dark brown fissile carbonaceous shale; rare very thin sand laminations on partings; no visible bleeding gas. 7100 Sand = light gray to light brownish gray; very fine to fine grain to rarely lower medium grain; angular to sub angular; moderate to well sorted; moderate sphericity in most of sample; nearly 100% of sample is loose, unconsolidated grains with no visible cement or matrix; estimate slight soluble clay matrix that is removed during sample washing; sample is +900/0 quartz with minor chert and dark igneous and metamorphic fragments; estimate fair to good in situ porosity; no oil stain; no fluorescence; no cut. 7190 Sand = light gray to medium light gray; very fine to coarse, especially fine to medium grains; angular to subangular; moderately sorted; loose grains commonly lightly frosted white calcareous cement and trace sandstone clusters with calcareous cement; probable U EPOCH 21 ') ) UNOCAL8 A-15RD some slight clay matrix; 80% quartz, and 20°,fo mostly coal and clay and minor other lithics; estimate poor to fair porosity and permeability; no oil indicators. 7255 Coal = brownish black to black; firm to moderately firm; moderately to slightly brittle; hackly to subplaty to bladed, fracture; slightly shiny to dull luster; subbituminous to lignite; massive to occasionally grading carbonaceous shale. 7290 Tuffaceous claystone = very light gray to light gray to light grayish brown; smooth to silty/sandy texture with interbedded fine to medium grained clayey sand; moderately to very hydrophilic; occasionally calcareous; non to slightly organic to rare carbonaceous shale. 7330 Tuffaceous claystone = very light gray to light gray to light brownish gray; smooth to some silty/sandy texture with possible rare thin beds clayey sand; moderately to very hydrophilic; non to slightly organic; slight calcareous matter. 7370 Coal = brownish black to black; firm to moderately firm; moderately to slightly brittle; hackly to subplaty fracture; dull to slightly shiny luster; lignite to subbituminous; massive to some carbonaceous shale partings and thin beds. . 7410 Tuffaceous claystone = very light gray to light brown; moderately soluble in water mushy to somewhat firm; gritty, silty texture; dull luster when dry; occurs as soft runny lumps in sample; common shards, sand and silt embedded in matrix; grades to an argillaceous sand in part; common detrital coal fines and black to brown specks of organic material; thin interbeds of coal and commonly soft, dark brown organic shale. 7490 Coal = black; hard to moderately firm; brittle and crunchy; shiny, vitreous luster; blocky to tabular cuttings habit; common conchoidal and hackly fracture; no visible bleeding gas. 7525 Tuffaceous claystone = very light gray to light gray to light brownish gray; smooth to some silty/sandy texture with possible rare thin beds clayey sand; moderately to very hydrophilic; slightly to non organic; often moderately calcareous including calcite. 7565 Coal = grayish black to black to brownish black; very firm and slightly brittle to slightly firm and crunchy; slightly shiny to dull luster; subplaty to hackly fracture; massive to occurring as [j EPOCH 22 ) ) UNOCALe A-15RD thin beds and partings in carbonaceous to tuffaceous claystone; lignite to subbituminous; very slight micropyrite specs; slight bleeding gas. 7615 Tuffaceous claystone = medium light gray to light brownish gray; soft to moderately soft and hydrophilic to slightly hydrophilic; smooth to silty/gritty texture locally grading siltstone to fine sandstone with slightly scattered medium to coarse grains; mostly slightly organic; some weakly mottled to thin laminations and partings of carbonaceous matter and coal; often with silty calcareous matter; trace mica 7675 Sand = medium light gray; very fine to medium lower grains and scattered coarse; angular to subangular; moderate to moderately high sphericity; moderately to poorly sorted; some with clay matrix and some frosted to sand clusters with calcareous cement; 80% quartz, and 200/0 mostly black partially siliceous coal fines, and some red and green including feldspar and siliceous grains; estimate mostly poor to fair porosity and permeability; no oil indicators. 7750 Coal = black to dark brownish black; hard to slightly firm; moderately brittle to crunchy; dull to slightly shiny luster; rough striated surfaces with conchoidal to hackly fracture; tabular to irregular cuttings habit; thin interbeds of dark brown fissile carbonaceous shale; rare very thin sand laminations on partings; common visible bleeding gas. 7805 Tuffaceous claystone = very light gray to light brown; moderately soluble in water mushy to somewhat firm; gritty, silty texture; dull luster when dry; occurs as soft runny lumps in sample; common ash shards embedded in matrix; common specks and micro laminations of brown carbonaceous material grading to an organic claystone in part; occasional stringers of silt and very fine grain sand; trace conglomerate, noncalcareous; probably kaolinitic. 7870 Sand = light gray; very fine to fine grain angular to sub rounded; fairly well sorted; moderate sphericity; +95% of sample is loose grains with no cement or matrix; rare clusters cemented with calcareous clay; sand is 90°,10 quartz, 10% chert, silt, and dark lithics; estimate fair in situ porosity; no fluorescence, no visible stain, no cut. 7940 Tuffaceous claystone = very light gray to light brown; moderately soluble in water mushy to somewhat firm; gritty, silty texture; dull luster when dry; occurs as soft runny lumps in sample; common ash shards embedded in matrix; common specks and micro laminations of brown carbonaceous material grading to an organic claystone in part; occasional stringers of silt and very fine grain sand; non calcareous; probably kaolinitic. ~ EPOCH 23 ') UNOCAL8 A-15RD 8005 Sand = light gray to light brownish gray; very fine to fine grain dominantly very fine grain; angular to sub angular; poor to fairly well sorted; poor sphericity in most of sample; nearly 100% of sample is loose, unconsolidated grains with light calcite cement; common calcite flakes; some soluble clay matrix that is removed during washing; sample is +90% quartz with minor chert and dark igneous and metamorphic fragments; estimate poor to fair in situ porosity; no visible oil stain; no fluorescence; no cut fluorescence; abundant cavings of coal, many of large size. 8085 Sand = light gray to light brownish gray; very fine to fine grain dominantly very fine grain; angular to subangular; poorly to fairly well sorted; poor sphericity in most of sample; nearly 100% of sample is loose, unconsolidated grains; occasional loosely cemented clusters with white calcareous cement; trace clusters showing light clay matrix; common thin chips of calcite possibly a fracture or joint filling; sample is 90°,10 quartz, 100/0 chert, dark lithics, silt and trace mica; estimate fair in situ porosity; no visible oil stain, no fluorescence, no cut. 8165 Sand=very light gray; very fine to fine grain; angular to sub angular, rare subrounded; moderately well sorted; fair sphericity; over 900/0 of the sample is loose, disaggregated sand grains; rare weakly cemented clusters with white calcareous cement which also coats some individual grains; trace of light color soluble clay matrix; most of matrix washes away during sample cleaning; sand is 80% quartz, 20% dark rock fragments, feldspar, chert, coal fines and mica; no visible oil stain, fluorescence or cut 8255 Tuffaceous claystone = light gray to some white to occasionally light brownish gray; mostly slightly to moderately sandy to slightly silty including very fine to some medium and scattered coarse grains; some calcareous in part possibly tuff; moderately hydrophilic; some slightly organic including coal fines; often grading matrix supported sand. 8305 Tuffaceous claystone = very light gray to white to light grayish brown; soft to very soft and moderately to slightly hydrophilic; sandy and slightly silty texture to smooth; occasionally grading matrix supported sandstone; some slightly organic often with carbonaceous partings and coal streaks rare grading carbonaceous shale; rare thin beds of lignite; some calcareous in part. 8360 Sand = very light gray to medium light gray; very fine to medium grains and scattered coarse to very coarse and trace pebble; angular to subangular; moderately low to moderately high sphericity; mostly loose grains to occasionally matrix supported in kaolic clay; estimate moderately to poorly sorted; 800/0 quartz, and 200/0 black to gray to red to white to green [j EPOCH 24 ') ) UNOCAL8 A-15RD lithics including partially siliceous coal, some silicates including feldspar, and minor chert and calcareous matter; estimate mostly fair porosity and permeability; no oil indicated. 8495 Coal = black to brownish black; very firm and slightly brittle to slightly firm and brittle; polished to dull luster; some scours dark rusty brown; subblocky to splintery; mostly dense with visible planar to subplanar lamina; lignite to subbituminous; massive to some thin beds and partings in carbonaceous to tuffaceous claystone. 8545 Tuffaceous claystone = medium dark gray to some brownish gray to medium gray; slightly firm; subblocky to amorphous with rounded edges, and often curly shavings with PDC bit markings; smooth to some silty texture; some with thin coal partings; some organic in part obscured by oil based mud contamination; often calcareous in part including calcite. 8600 Tuffaceous claystone = medium light gray to medium dark gray; slightly firm to firm; smooth to some silty/gritty texture; occasionally grading matrix supported sandstone in kaolic/ashy clay; slight loose fine to medium mostly quartz grains; possibly some organic obscured by oil mud contamination; occasionally calcareous to slightly calcareous. 8655 Coal = black to dark grayish brown; very firm and slightly brittle to slightly firm and crunchy; subblocky to subplaty to irregular hackly fracture; lignite to some subbituminous; moderately shiny to earthy luster; massive to thinly interbedded in and grading to carbonaceous shale; trace grading sandstone. 8700 Sand = very light gray to light gray; medium to some very fine and scattered coarse to trace pebble; subangular to angular; moderately to moderately well sorted; possible very slight overall clay matrix; 85% quartz, and 15% black to gray to rare red, white, and green lithics including coal fines, clays, chert and silicates; estimate good to fair porosity and permeability; oil indicators obscured by oil based mud. 8780 Coal = black to dark brownish black; hard to slightly firm; moderately brittle to crunchy; dull to slightly shiny luster; rough striated surfaces with conchoidal to hackly fracture; tabular to irregular cuttings habit; occasional interbedded with and grading into carbonaceous shale. 8825 Conglomeratic sand = light gray; very fine to very coarse, especially fine to medium, and scattered to locally some pebbles and fragments; subangular to angular; moderately to poorly sorted with overall slight to some moderate kaolic clay matrix; locally very poorly ~ EPOCH 25 ) ) UNOCAL8 A-15RD sorted grading conglomerate and sandy conglomeratic clay; 80% quartz, and 20% black to gray to rare red and white lithics including coal fines, clay, and silicates including feldspar partially altered to clay, partially siliceous lithics and chert, with chert increasing in conglomeratic fraction; estimate fair to very poor porosity and permeability; oil indicators obscured by oil based mud contamination. 8925 Conglomeratic sand = medium light gray; very fine to very coarse, especially fine to medium, to scattered and locally common pebbles and fragments; subangular to angular; poorly to some moderately sorted with slight to moderate clay matrix to locally interbedded conglomerate, tuffaceous and carbonaceous claystone, and kaolic ash; 70% quartz, and 300/0 clay and coal clasts, chert, partially siliceous lithics, and silicates including feldspar often altered to clay; very poor to fair estimated porosity and permeability, oil indicators obscured by oil based mud contamination. 9005 Conglomeratic sand/sand = medium light gray to light gray; very fine to very coarse, especially medium to coarse lower, and scattered pebbles and fragments; angular to subrounded; moderate sphericity; moderately well to some poorly sorted; slight overall clay matrix to locally interbedded claystone; 85% quartz, and 15% black to gray to rare red and green lithics including partially siliceous coals and clays, chert, and silicates commonly altered to clay; estimate some fair to good porosity and permeability; oil indicators obscured by oil based mud contamination. 9090 Sand = medium light gray to light gray; dominantly very fine to medium grains, occasional coarse to very coarse; well sorted to moderately well sorted; subrounded to subangular, occasional angular bit impacted grains; 80% quartz, and 20% black, gray, red and green opaque lithic fragments; estimate fair to good porosity and permeability; oil indicators masked by oil based mud. 9165 Sand/conglomeratic sand = medium light olive gray to light gray; fine to coarse grained, especially medium, with slightly scattered to locally some pebbles and fragments; subangular to angular; estimate moderately well to some poorly sorted with overall slight clay matrix increasing to moderate at top of sand; rare very poorly sorted grading conglomerate; 85% quartz, and 15% partially siliceous coal and clay clasts and minor partially clay altered silicates and calcareous matter; estimate mostly fair porosity and permeability; oil indicators obscured by oil mud. 9245 Coal = black to grayish black; very firm and slightly brittle to slightly firm and crumbly; hackly to subblocky fracture; subbituminous to some lignite; massive to occasionally thinly bedded in slightly to very organic claystone; rare thinly bedded sandy tuff. 9285 ~ EPOCH 26 ') ) UNOCAL8 A-15RD Carbonaceous shale = dark brownish gray to medium gray; slightly firm to firm; moderately hydrophilic expanding to light grayish brown to brownish gray; subplaty often with rounded edges; smooth to sandy/silty texture with interbedded fine to lower medium clayey sand and occasional siltstone; moderately to some slightly organic with occasional thin beds and partings of coal; occasional tuffaceous claystone and tuff; noncalcareous. 9350 Coal = black to brownish black; very firm and slightly brittle to slightly firm and crunchy; occasionally scours dark rusty brown; hackly to subplaty to flaky fracture; mostly lignite to some subbituminous; massive to thinly bedded and partings in organic claystone; some low grade lignite grading carbonaceous shale. 9400 Sand = medium light gray to light olive gray; very fine to coarse lower, especially medium to fine, and rare scattered pebbles and fragments; subangular to angular; moderately to poorly sorted generally fining upward; slight overall clay matrix and rare grading sandy claystone; 75% quartz, and 25%) black to gray to brown partially siliceous coal and clay fines, and rare red to trace green lithics including feldspar; estimate fair to some poor porosity and permeability; oil indicators obscured by oil based mud contamination. .9495 Sand/conglomeratic sand = medium gray to medium light gray; very fine to lower coarse, dominantly fine to medium, occasional coarse to very coarse; moderately to well sorted; subround to subangular, occasional angular bit impacted grains; mostly unconsolidated, rare cuttings of indurated sandstone; mostly clay matrix, rare grading to siltstone and sandy claystone; 70°Æ, quartz, 15% chert and 15% lithic fragments; oil indicators masked by oil based mud contamination. 9565 Tuffaceous claystone = medium dark gray to medium gray, some brownish gray; slightly firm; subblocky to amorphous with rounded edges, dull to earthy luster; clayey to some silty texture; occasional thin interbedded layers of black carbonaceous material, some grading into carbonaceous shale. 9610 Coal = black to dark brownish black; hard to slightly firm; moderately brittle to crunchy; greasy to slightly shiny luster; rough striated surfaces with conchoidal to hackly fracture; tabular to irregular cuttings habit; occasional thin interbeds of carbonaceous shale, some grading to claystone; common visible gas bleeds. 9660 Sand = light gray to medium light gray; dominantly very fine upper to medium, occasional coarse to very coarse temporally increasing towards bottom of sand; moderately well to well sorted; subrounded to subangular, some larger bit impacted grains; probable clay ~ EPOCH 27 ) UNOCAL8 A-15RD ) matrix; 75% quartz, 15% chert and 10°,10 volcanic, metamorphic and lithic fragments; oil indicators masked by oil based mud contamination. 9720 Coal = black to brownish black; tough to firm, occasionally brittle; subpolished to dull luster; blocky to splintery fracture with common conchoidal; smooth to gritty; occasional grading to carbonaceous shale; some visible gas bleeding. 9765 Conglomeratic sand/sand = medium light gray to light olive gray; fine to coarse especially medium to coarse lower, and scattered very coarse fragments and trace pebbles; angular to subangular; overall moderately to poorly sorted in slight to moderate kaolic clay matrix; occasional interbeds sandy conglomeratic claystone; 75% quartz, and 25% coal and clay clasts, some partially siliceous, trace red and green silicates, and trace chert including pebbles; locally interbedded coal; estimate mostly poor to some fair porosity and permeability; oil indicators obscured by oil based mud contamination. 9850 Conglomeratic sand = medium light gray to olive gray; very fine to very coarse and scattered fragments and pebbles; subangular to angular; moderate sphericity; poorly to moderately sorted in slight to moderate kaolic clay matrix occasionally grading claystone and minor conglomerate; 75% quartz, and 25% black to some gray to opaque to trace red lithics including coal and clay clasts, and rare silicates and chert; some calcareous matter including tuff; estimate mostly poor to some fair porosity and permeability; oil indicators obscured by oil based mud contamination. 9930 Carbonaceous shale = dark grayish brown to brownish gray; firm to slightly firm; smooth to some silty to sandy including fine to medium grains; hydrophilic expanding to light brownish gray to light grayish brown; organic to slightly organic with interbedded kaolic/ashy clays, sands, conglomerates, and calcareous matter possibly tuff and calcite; some grading coal with thin beds and partings of lignite. 9990 Conglomeratic sand/sand = olive gray to light olive gray; medium to very fine and scattered to locally common coarse grains, fragments and pebbles; angular to subangular; moderately to poorly sorted in slight to occasionally moderate clay matrix, calcareous in part; 80% quartz, and 20% black to gray coal and clay fines and clasts, rare red probably feldspar, and rare chert and siliceous lithics; estimate mostly poor to fair and occasionally good porosity and permeability; oil indicators obscured by oil based mud contamination. 10070 Coal = black to dark brownish black; hard to slightly firm; moderately brittle to crunchy; dull to slightly shiny luster; rough striated surfaces with conchoidal to hackly fracture; tabular to ~ EPOCH 28 ) ) UNOCAL8 A-15RD irregular cuttings habit; occasional thin interbeds of carbonaceous shale, some grading to claystone; common visible gas bleeds 10120 Tuffaceous claystone = medium dark gray to medium gray, some brownish gray; slightly firm; subblocky to amorphous with rounded edges, dull to earthy luster; clayey to some silty texture; slightly to noncalcareous; occasional thin interbedded layers of black carbonaceous material, some grading into carbonaceous shale. 10170 Carbonaceous shale = dark brownish gray to brownish gray; slightly firm to firm; irregular to blocky; dull to earthy luster; clayey to silty texture, occasional grading to and interbedded with very fine to lower medium sand; laminations of carbonaceous matter and lignite not uncommon; slightly to moderately hydrophilic; slightly calcareous. 1 0225 Coal = black to dark brownish black; hard to slightly firm; moderately brittle to crunchy; dull to slightly shiny luster; conchoidal to hackly fracture; tabular to irregular cuttings habit; occasional thin interbeds of carbonaceous shale, rare grading to clay; visible gas bleeding. 10270 Tuffaceous claystone = medium dark gray to medium gray, some brownish gray; slightly firm; subblocky to amorphous with rounded edges, dull to earthy luster; clayey to some silty texture; slightly to noncalcareous. 1 0320,sand = olive gray; medium to fine grains and scattered coarse to trace very coarse; subangular to angular; moderate spheriodal sphericity; moderately well to some poorly sorted in overall slight to some moderate kaolic/slight organic clay matrix; some matrix calcareous in part; occasionally grading tuffaceous to carbonaceous claystone; trace siliceous streaks in claystone; 75% quartz, and 25% black to brownish gray to gray to rare red mostly coal and clay fines and clasts and minor siliceous lithics, feldspar, and chert; estimate fair overall porosity and permeability; oil indicators obscured by oil mud. 1 0405 Sand = olive gray; very fine to coarse generally fining upward and locally conglomeratic; angular to subrounded; moderately to poorly sorted in overall slight to moderate clay matrix; clay kaolic and often slightly organic; 75°/Ó quartz, and 25% black to grayish brown to gray to opaque to rare red grains including coal and clay fines and clasts some slightly siliceous, and minor feldspar; estimate fair to poor porosity and permeability; oil indicators masked by oil based mud contamination. 10475 Sandstone/sand = olive gray to light gray; very fine to coarse grained, especially fine to medium lower, with locally scattered very coarse to pebble; angular to subangular; poorly to [~ EPOCH 29 ) ) UNOCAL8 A-15RD moderately sorted in slight to moderate kaolic ashy clay matrix grading devitrified tuff; some matrix slightly organic; 80°,10 quartz, and 20% black to gray to trace red lithics; locally interbedded lignite and rare thin conglomerate; estimate poor to fair porosity and permeability; oil indicators masked by oil mud 10575 Sand = light gray to medium light gray; dominantly very fine upper to medium, occasional coarse to very coarse increasing towards bottom of sand; moderately well to well sorted; subangular to subrounded, some large bit impacted grains; probable clay and ashy matrix; 80% quartz, 20% gray and black lithic fragments, with trace red and green. 10630 Sand/conglomeratic sand = medium gray to medium light gray; very fine to lower coarse, dominantly fine to medium, occasional coarse to very coarse; moderately to well sorted; subrounded to subangular, occasional angular bit impacted grains; mostly unconsolidated, rare cuttings of indurated sandstone; mostly clay matrix. 10700 Coal = black to grayish black; moderately firm to slightly firm and moderately brittle to crumbly; mostly scours dark rusty brown; lignite bedded in conglomeratic claystone with rare pebbles and siliceous clay nodules/clasts. 10735 Sand = light olive gray to medium light gray; medium to very fine grains, especially medium to fine, and slightly scattered to locally common coarse to pebble and fragments; angular to subangular; moderately to poorly sorted with overall slight clay matrix; locally grading claystone and conglomerate; fair to poor estimated porosity and permeability; scattered light brown stain 10730'-50'; even light green yellow fluorescence and cut undifferentiated from oil based mud. 10805 Conglomeratic sand/sand = light olive gray to olive gray; very fine to coarse, especially medium, and scattered to locally common fragments, very coarse, and pebbles; angular to subangular; moderately to poorly sorted with slight to some moderate clay matrix locally grading claystone and conglomerate; 80°,10 quartz, and 20% coal and clay, some partially siliceous lithics and chert, and silicates; estimate poor to fair porosity and permeability; trace possible stain; cut and fluorescence undifferentiated from oil based mud. 10880 Conglomeratic sand = light olive gray to olive gray; very fine to very coarse, especially fine upper to coarse lower, and scattered to locally common fragments and pebbles; poorly to moderately sorted; 80% quartz, and 20°,10 black to gray to light green to rare red coal and clay clasts, minor siliceous lithics and chert, and minor silicates; occasionally grading conglomerate and claystone and rare thin beds of coal; estimate poor to fair porosity and permeability; oil indicators masked by oil based mud. [~ EPOCH 30 ') UNOCAL8 A-15RD ) 10955 Sand/conglomeratic sand = medium gray to medium light gray to light olive gray; very fine to coarse, dominantly fine to medium, occasional coarse to very coarse; moderately to poorly sorted; subangular to angular with common bit impacted grains; mostly unconsolidated, rare cuttings of indurated sandstone; mostly clayey to ashy matrix; some grading to silt and sandy clay, rare interbedded with organic matter and coal 70%, quartz, 10% chert and 20% gray and black lithic fragments to rare green and red, occasional feldspar; estimate poor to fair porosity and permeability; oil indicators masked by oil based mud contamination. 11045 Tuffaceous claystone = medium dark gray to medium gray, some brownish gray; slightly firm to firm; subblocky to amorphous cuttings with rounded edges; dull to earthy luster; clayey to some silty texture; occasional thin interbedded layers of black carbonaceous material, some grading into carbonaceous shale; non to slightly calcareous. 11095 Coal = black to dark brownish black; hard to slightly firm; moderately brittle to crunchy; dull to slightly shiny luster; conchoidal to hackly fracture; tabular to irregular cuttings habit; occasional thin interbeds of carbonaceous shale; some visible gas bleeding. 11160 Tuffaceous claystone = light gray to medium gray; moderately soft to some moderately firm; amorphous to subplaty; greasy to earthy luster; hydrophilic; kaolic/ashy grading tuff to some organic grading carbonaceous shale; smooth to gritty texture; often grading matrix supported sandstone and conglomerate with quartz, coal, silicate, clay, and chert clasts; trace red feldspar partially altered to clay. 11220 Sand = olive gray to light olive gray; fine to medium grains and scattered to locally common coarse grains, fragments, and pebbles; subangular to angular; moderately to poorly sorted in slight to some moderate clay matrix locally grading matrix supported sandstone, 11255 Conglomerate, and claystone; some claystone organic with thin beds coal; 750/0 quartz, and 25% coal and clay fines and clasts, minor siliceous lithics, chert, feldspar and other silicates; estimate poor to some fair porosity and permeability; oil indicators masked by oil based mud contamination. 11335 Tuffaceous claystone = medium gray to light gray, some brownish gray; soft to slightly firm; subblocky to amorphous cuttings with rounded edges; dull to earthy luster; clayey to [~ EPOCH 31 ) ') UNOCAL8 A-15RD some silty texture; occasional thin interbedded layers of black carbonaceous material, some grading into carbonaceous shale; non to slightly calcareous. 11390 Coal = black to some brownish black; moderately firm and moderately brittle to slightly firm and crumbly; moderately shiny luster; hackly to subplaty fracture with visible subplanar lamina; massive to thin beds in dusky brown carbonaceous shale; lignite to subbituminous. 11435 Carbonaceous shale = dusky brown to brownish gray; moderately soft to slightly firm; amorphous to subplaty to subfissile; smooth to some sandy/silty texture with occasional thin beds fine to very fine grained sand; very to slightly organic grading claystone; often grading to and thin beds and partings of lignite. 11485 Sand = olive gray to medium dark gray; fine to very coarse, especially fine upper to coarse lower; angular to subangular; poorly to moderately sorted in slight to moderate clay matrix, variably organic grading claystone and coal, and some calcareous; 70°,10 quartz, and 30°,10 coal, clay, calcite, and minor feldspar; estimate poor to some fair porosity and permeability; oil masked by oil base mud. 11540 Sand = olive gray to light olive gray; very fine to coarse lower, especially medium to fine upper, and locally scattered coarse and fragments; subangular to angular; moderately well sorted in very slight clay matrix; 85°,10 quartz and 15% mostly coal and clay lithics; mostly fair to good porosity and permeability; poorly sorted with interbedded clay and coal lower; oil indicators masked by oil based mud contamination. 11600 Sand = light olive gray to olive gray; fine to very coarse grains, especially medium to fine upper, subangular to angular; moderate sphericity; moderately well to moderately sorted in very slight overall clay matrix; 75% quartz, and 25% gray to black to trace opaque and red lithics including mostly clay and coal fines, and minor feldspar and calcareous matter; rare matrix supported streaks; estimate mostly fair porosity and permeability; oil indicators masked by oil based mud contamination. 11690 Coal = black to dark brownish black; hard to slightly firm; moderately brittle to crunchy; dull to slightly shiny luster; conchoidal to hackly fracture, some parting along subplanar . laminations; often grading to and interbedded with carbonaceous shale; lignite to subbituminous. 11735 U EPOCH 32 ) ) UNOCAL8 A-15RD Sand = light olive gray to medium gray overall, dominantly clear to translucent white grains, some gray to black rare red and green; very fine to coarse, mostly fine to medium, occasional very coarse and bit impacted fragments; subangular to angular; moderately to moderately well sorted; unconsolidated; grading lower to poorly sorted conglomeratic sand and conglomerate; overall 75% quartz, and 25% lithic and coarse metalithic fragments, and slight calcareous; estimate fair porosity and permeability; oil indicators masked by oil based mud contamination. 11830 Coal = black to grayish black; scours dark gray to rusty brown; firm and moderately brittle to slightly firm and crumbly; hackly to subblocky and rare conchoidal fracture; subbituminous to lignite; massive to interbedded in mostly carbonaceous shale. 11870 Carbonaceous shale = dusky brown to brownish black to medium dark gray; firm to moderately soft; moderately hydrophilic; amorphous to subplaty with rounded edges; possibly reworked in part in conglomerate; smooth to slight silty/fine sandy texture; some grading slightly organic claystone to siltstone; some coal partings and interbedded coal; rare interbedded mostly fine sand; occasionally calcareous. 11930 Coal = black to brownish black; firm and slightly brittle to slightly firm and crumbly; hackly to subplaty fracture; scours brownish black to rusty brown; slightly shiny luster; subbituminous to lignite; massive to interbedded in mostly carbonaceous shale. 11990 Sand = light olive gray to medium gray overall, dominantly clear to translucent white grains, some gray to black rare red and green; very fine to coarse, mostly fine to medium, occasional very coarse and bit impacted fragments; subangular to angular; dominantly unconsolidated, occasional friable, consolidated cuttings; mostly moderately sorted, grading to poorly sorted conglomeratic sand; 70% quartz, 30°1<> assorted lithic and metalithic fragments and slight calcareous; estimate fair porosity and permeability; oil indicators obscured by oil based mud contamination. 12075 Tuffaceous claystone = medium dark gray to medium gray, some brownish gray; slightly firm to soft; subblocky to amorphous cuttings with rounded edges; dull to earthy luster; smooth to gritty texture; occasional grading to silt and very fine sand, non to slightly calcareous. 12125 Claystone = brownish black to medium dark gray to rusty brown to occasionally very light gray; firm to soft; subplaty with rounded edges and some apparent fissility, to amorphous; hydrophilic; smooth texture; earthy to greasy luster; mostly very to slightly organic some with coal partings to interbedded with coal; kaolic/ashy in part grading tuff and rare with ~ EPOCH 33 ') ) UNOCAL8 A-15RD green hue as possibly chloritic; possible thin sand stringers especially associated kaolic clays. 12190 Coal = black to brownish black; scours dusky brown; firm and moderately brittle to slightly firm and crunchy; slightly shiny luster; hackly to subblocky to platy fracture; subbituminous to lignite and massive to interbedded with carbonaceous shale. 12230 Claystone = brownish gray to grayish black to medium dark gray to light gray; hydrophilic; firm to moderately soft; smooth to silty texture with thin interbeds of mostly fine to very fine sand; variably organic with partings to interbedded coal; occasional kaolic/ashy with greasy luster. 12295 Tuffaceous claystone = medium dark gray to medium gray, some brownish gray; slightly firm to soft; subblocky to amorphous cuttings with rounded edges; dull to earthy luster; smooth to gritty texture; common grading to carbonaceous shale and interbedding with organic material and coal, rare grading to silt and very fine sand; non to slightly calcareous. 12355 Sand = olive gray to medium gray; medium to fine grains and slightly scattered fine to coarse fragments; subangular; moderately well sorted in probable slight overall clay matrix unconsolidated in sample; grading finer sand and slightly organic kaolic clay supported sandstone interbedded with slightly to moderately organic clayey siltstone and claystone with possible rare coal streaks and partings; 80% quartz, and 20%) mostly coal and clay lithics; estimate some fair to good porosity and permeability; oil indicators masked by oil mud contamination. BEGIN A15RDST1 10430 Sand = medium light gray to medium gray, dominantly clear to translucent white grains, occasional gray and black, rare light green, light red to light orange; very fine to medium size grains, mostly fine to lower medium; moderately well to well sorted; subangular to subrounded; moderate sphericity; unconsolidated; 70% quartz, 200/0 volcanic, lithic, and metalithic, 10% chert, minor devitrified ash; oil indicators masked by oil based mud contamination. 10495 Tuffaceous claystone = medium gray to light gray, some brownish gray; slightly firm to firm, occasional soft; subblocky to amorphous cuttings, some with rounded edges, rare bit metamorphism; dull to earthy luster; smooth to gritty texture, occasionally grading to U EPOCH 34 ') UNOCAL8 A-15RD ') silty, rare to very fine sand; occasional thin interbedded layers of carbonaceous material; non to slightly calcareous. 10570 Sand/conglomeratic sand = olive gray to light olive gray; fine to very coarse, especially medium, and scattered to locally common fragments and pebbles; subangular to angular; moderately sorted in slight overall kaolic clay matrix; some streaks clay supported sand and claystone; 800/0 quartz, and 20°J'o gray to black to red to opaque to trace green including clay to coal fines and clasts, silicates primarily feldspar, and minor chert; estimate some fair to good porosity and permeability; oil indicators masked by oil mud contamination. 10645 Claystone = very light gray to brownish gray to dusky brown; moderately soft to moderately firm; moderately hydrophilic; mostly slightly to very organic grading carbonaceous shale with interbedded coal; some kaolic and tuffaceous; some sandy especially kaolic; interbedded conglomeratic sand and conglomerate; noncalcareous. 10695 Coal = black to brownish black; firm and moderately brittle to slightly firm and crumbly; shiny to earthy luster; hackly to angular to flaky fracture; lignite to subbituminous; interbedded in carbonaceous to conglomeratic claystone. 10730 Sand = light olive gray to olive gray; very fine to coarse lower grains, especially medium, and slightly scattered very coarse to pebble; subangular; moderately well to poorly sorted often grading kaolic clay and matrix supported sandstone; trace conglomerate; 80% quartz, and 20% black to gray to opaque to rare red including coal and clay fines, and minor silicates including feldspar; estimate mostly fair to good porosity and permeability; oil indicators masked by oil based mud. 10805 Coal = black to dark brownish black; firm to slightly firm, often brittle to crumbly; hackly to flaky fracture; occasional conchoidal; vitreous to resinous luster; some interbedded with and grading to carbonaceous shale, occasional interbedded with layers of very fine to fine grained sand. 10850 Sand = medium gray to light gray to light olive gray; very fine to lower coarse, dominantly fine to medium, occasional broken pebbles and fragments; moderately to moderately well sorted, some fair to poorly sorted towards bottom of the section; subangular to angular; slight clay matrix, some clay/ashy matrix and minor matrix supported; 80°.10 quartz, 20°.10 black to gray lithic and metalithic, rare red and green; oil indicators masked by oil based mud contamination. ~ EPOCH 35 ') ) UNOCALCf) A-15RD 10925 Conglomeratic sand = olive gray to light olive gray; fine to coarse, especially fine upper to coarse lower, and common to scattered very coarse, fragments, and pebbles; moderately to poorly sorted in slight to moderate clay matrix with streaks claystone and matrix supported sand; 75% quartz, and 25% gray to black to opaque to red and green lithics including coal and clay clasts, partially siliceous lithics, feldspar, and minor chert; estimate mostly fair porosity and permeability; oil indicator masked by oil based mud contamination. 11035 Tuffaceous claystone = medium gray to light gray, some brownish gray; slightly firm to firm, occasional soft; subblocky to amorphous cuttings, some with rounded edges, rare bit metamorphism; dull to earthy luster; smooth to gritty texture, occasionally grading to silty, rare to very fine sand; occasional thin interbedded layers of carbonaceous material; non to slightly calcareous. 11095 Coal = black to brownish black; moderately firm and moderately brittle to slightly firm and crumbly; polished to earthy luster; hackly to flaky fracture; lignite to some subbituminous; massive to grading carbonaceous shale and minor conglomeratic claystone to sandstone. 11140 Sandstone/sand = olive gray to light gray; fine to coarse lower, especially medium, and locally scattered to common coarse grains, fragments, and pebbles; angular to subrounded; moderately to poorly sorted in ashy/kaolic matrix grading matrix supported sandstone to claystone; 70°,10 quartz and 30% black to some gray to rare red fines and clasts, including coal and clay and rare chert and silicates; locally grading conglomerate associated with thin coal zones, siliceous clasts, and red feldspar partially altered to clay; estimate mostly poor to fair porosity and permeability; oil indicators masked by oil based mud. 11245 Coal = black to dark brownish black; firm to slightly firm, often brittle to crumbly; hackly to flaky fracture; occasional conchoidal; vitreous to resinous luster; some interbedded with and grading to carbonaceous shale, occasional interbedded with layers of very fine to fine grained sand. 11290 Carbonaceous shale = dusky brown to brownish black to brownish gray; firm to moderately soft; moderately to slightly hydrophilic; subblocky to subplaty, some with rounded edges; smooth to silty texture; commonly grading to organic claystone and siltstone; occasional thin beds of lignite; rare interbedded layers of very fine to fine grained sand; non to slightly calcareous. [~ EPOCH 36 ') ) UNOCAL8 A-15RD 11350 Tuffaceous claystone = medium gray to light gray, some brownish gray; slightly firm to firm, occasional soft; subblocky to amorphous cuttings, some with rounded edges; dull to earthy luster; moderately to slightly hydrophilic; dominantly smooth to gritty texture, occasional grading to very fine sand; often grading to organic claystone and interbedded with carbonaceous material and lignite; non to slightly calcareous. 11420 Carbonaceous shale = brownish gray to dark grayish brown; mostly slightly firm to moderately soft and subplaty with incipient fissility; occasionally very firm with rounded edges possibly reworked as conglomerate and slightly siliceous; overall moderately organic with micro thin partings and remnant flakes of carbonaceous matter; grading slightly organic claystone; massive to interbedded with sandy claystone, clayey sandstone, and conglomerate. 11485 Coal = black to some brownish black; scours dark brownish gray to dusky brown; moderately firm and moderately brittle to slightly firm and crumbly; hackly to subplaty fracture; massive to thinly bedded in carbonaceous shale; moderately shiny luster; lignite to subbituminous. 11530 Conglomeratic sand/sand = olive gray; coarse lower to fine, especially medium, and locally scattered to common coarse to trace pebble; subangular to subrounded; moderately to poorly sorted in ashy/kaolic matrix grading grain supported sandstone and claystone; 700/0 quartz, and 30%) black to gray to red to white grains including coal, clay, feldspar, other silicates, and calcite; estimate mostly poor to fair porosity and permeability; oil indicators obscured by oil based mud contamination. 11620 Sand/conglomeratic sand = light olive gray to olive gray to medium gray; very fine to lower coarse, dominantly upper very fine to medium grained, some bit impacted coarse, pebbles and fragments; subangular to angular; moderately to poorly sorted; ashy/clay matrix occasionally grading to grain supported; 70°,10 quartz, 30°,10 various lithic, metalithic fragments, chert, devitrified ash and feldspar; oil indicators obscured by oil based mud contamination. 11685 Coal = black to dark brownish black; firm to slightly firm, often brittle to crumbly; hackly to flaky fracture; occasional conchoidal; vitreous to resinous luster; some interbedded with and grading to carbonaceous shale, lignite to subbituminous. 11745 [~ EPOCH 37 ') ) UNOCAL8 A-15RD Sand/conglomeratic sand = olive gray; fine to very coarse, especially medium; subangular; moderately sorted in slightly organic kaolic matrix; 75% quartz, and 25°,10 gray to black to some white, red, and green grains including coal, clay, and minor feldspar; locally grading conglomeratic sand and conglomerate with reworked lithic clasts, trace siliceous; some interbedded claystone and coal; estimate poor to some fair porosity and permeability; oil indicators masked by oil based mud. 11810 Conglomeratic sand = olive gray to light olive gray; fine to very coarse, especially medium to fine; slight to locally common pebbles; subangular to angular; poorly to moderately sorted in slightly organic kaolic matrix with streaks to thin beds claystone and matrix supported sand; 70°,10 quartz, and 300/0 lithic fines and clasts; grading conglomerate with increased lithic clasts and minor chert; poor to some fair porosity; oil indicators masked by oil based mud. 11880 Carbonaceous shale = dark brownish gray to medium dark gray; firm to some soft; overall moderately organic grading kaolic claystone; smooth to some silty texture; some sandy especially kaolic; massive to interbedded with sandstone and minor conglomerate. 11925 Coal = black to dark brownish black; firm to slightly firm, often brittle to crumbly; hackly to flaky fracture; occasional conchoidal; shiny to resinous luster; some interbedded with and grading to carbonaceous shale, occasional interbedded with layers of very fine to fine grained sand; subbituminous to lignite. 11975 Carbonaceous shale = dusky brown to brownish black to brownish gray; firm to moderately soft; moderately to slightly hydrophilic; subblocky to subplaty, some with rounded edges; smooth to silty texture; commonly grading to organic claystone and siltstone; occasional thin beds of lignite; rare interbedded layers of very fine to fine grained sand; non to slightly calcareous. 12035 Sand = medium gray to light gray to light olive gray; very fine to lower coarse, dominantly fine to medium, occasional broken pebbles and fragments; moderately to moderately well sorted, some fair to poorly sorted; subangular to angular; slight clay matrix, some clay/ashy matrix and minor matrix supported; 80% quartz, 20% black to gray lithic and metalithic, rare red and green; estimate poor to fair porosity and permeability; oil indicators obscured by oil based mud. 12120 Carbonaceous shale = dark gray to dark brownish gray to medium gray; firm to slightly firm; moderately hydrophilic overall; moderately organic with intermittent coal streaks, to slightly organic grading kaolic claystone; smooth to silty to fine sandy texture; common [~ EPOCH 38 ) ') UNOCAL8 A-15RD thin beds and laminations of siltstone to sandstone, very fine to medium grained; rare. calcareous matter. 12175 Coal = black to grayish black; brittle to slightly brittle; hackly to flaky fracture; slightly shiny to shiny; subbituminous to lignite; massive; bedded in sandy kaolic to organic claystone. 12215 Tuffaceous claystone = medium gray to light gray, some brownish gray; slightly firm to firm, occasional soft; subblocky to amorphous cuttings, some with rounded edges; dull to earthy luster; moderately to slightly hydrophilic; dominantly smooth to gritty texture; often grading to organic claystone and interbedded with carbonaceous shale and lignite; non to slightly calcareous. 12275 Coal = black to dark brownish black; firm to slightly firm, often brittle to crumbly; hackly to flaky fracture; occasional conchoidal; shiny to resinous luster; some interbedded with and grading to carbonaceous shale, occasional interbedded with layers of very fine to fine grained sand; subbituminous to lignite. 12330 Carbonaceous shale = dark gray to medium dark gray to brownish gray; moderately soft to slightly firm; subplaty with incipient fissility to amorphous; smooth to some silty to trace sandy texture; moderately organic overall with intermittent coal streaks including trace encased in calcite, to often slightly organic; possible occasional thin beds in massive coal. 12415 Sand = olive gray to light olive gray; fine upper to coarse lower grains; subangular to subrounded and slight angular bit impacted fragments; slight very coarse lithic clast; moderately to moderately well sorted; overall 60%> quartz and 40% mostly clay and some coallithics, slight calcareous matter, rare feldspar and other silicates, and rare hematite to limonite stained firm flaky matter; estimate mostly fair to good porosity; oil masked by oil mud. 12480 Sand = light olive gray to some olive gray; fine to coarse grains, especially medium to coarse lower; subangular to angular including slight to locally some bit impacted fragments, and occasional very coarse lithic clasts; estimate moderately well to poorly sorted decreasing with greater angularity and increase larger clasts; 70% quartz, and 30%> clay, coal, feldspar and other silicates, partially siliceous lithics, and trace chert; some slight clay infilling with trace siliceous streaks; estimate mostly fair to poor porosity and permeability; oil indicators masked by oil based mud contamination. 12570 ~ EPOCH 39 ) ) UNOCAL8 A-15RD Sand = light gray to medium gray to light olive gray; very fine to medium grained, dominantly fine to medium, occasional lower coarse and bit impacted fragments; angular to subangular; moderately well to moderately sorted; unconsolidated with probable clay matrix; 70% quartz, 30% gray, black, and brownish lithic fragments with rare red and green; estimate mostly fair to poor porosity and permeability; oil indicators masked by oil based mud contamination. 12660 Sand = olive gray to dark gray; fine to coarse lower, especially medium to fine upper; angular to subrounded including slight mostly coarse bit impacted fragments; moderately sorted; 60°/Ó quartz, and 40% gray to black to brown to rare red and green, estimate fair to poor porosity and permeability; oil indicators masked by oil based mud contamination. 12720 Sand = olive gray to medium gray; very fine to lower coarse, dominantly fine to medium, occasional bit impacted coarse and fragments; subangular to subrounded; moderately to moderately well sorted; 75% quartz, 25°/Ó mostly gray, black, and brown lithic fragments, rare green and red; estimate fair to poor porosity and permeability; oil indicators obscured by oil based mud contamination. 12775 Sand = olive gray to dark gray; very fine to lower coarse, mostly upper fine to medium, occasional bit impacted coarse lithic fragments; subangular to angular; moderately to some moderately well sorted; 70% quartzt and 30% clay, coal, feldspar and other silicates, partially siliceous lithics, and trace chert; estimate mostly poor to fair porosity and permeability; oil indicators masked by oil mud contamination. 12840 Sandstone\sand = dusky brown to dark gray; fine to rare coarse lower, especially upper fine to medium, trace bit impacted coarse; subangular to some angular; moderately to poorly sorted in clay matrix grading matrix supported sandstone with streaks and clasts of clay; matrix overall kaolic and slightly organic; 60% quartz, and 40% mostly soft to occasional hard lithics including clay, coal, minor silicates including feldspar, and trace chert; estimate poor to some fair porosity and permeability; oil indicators masked by oil based mud contamination. . 12920 Sandstone = dark gray to dusky brown; medium to very fine grains; subangular to angular; poorly to moderately sorted in slightly organic kaolic clay matrix; some silty texture; grading claystone with streaks and weathered clasts of organic clay; 60% quartz, and 40°/Ó mostly soft lithics including clay, coal fines, and weathered silicates; estimate mostly poor porosity and permeability due to clay infilling; oil indicators masked by oil based mud contamination. 12985 [j EPOCH 40 ') ) UNOCAL8 A-15RD Sandstone = dark gray to dusky brown; very fine to medium grains, especially fine to medium lower; subangular; poorly to moderately sorted in slightly organic kaolic clay matrix and often matrix supported; streaks and thin beds grading to claystone, some with silty texture; grains mostly quartz, and some clay, coal, weathered lithics, and feldspar and other silicates; estimate mostly poor porosity and permeability; oil indicators masked by oil based mud contamination. 13070 Coal = black to brownish black; firm to hard, occasionally brittle to crunchy; slightly shiny to dull luster; subblocky to hackly fracture, occasional subplaty; grading to carbonaceous shale and occasional interbedded with very fine sand; subbituminous to lignite. 13110 Sand = medium light gray to medium gray to some olive gray; dominantly fine to medium grains, occasional very fine and lower coarse; subrounded to subangular; moderately well to moderately sorted; 65%) clear to translucent white quartz, 35% gray, black, and brown lithic fragments including chert, feldspar, claystone, coal and various metalithic grains; estimate fair to good porosity and permeability; oil indicators masked by oil based mud contamination. 13195 Sandstone/sand = dusky yellow brown to some olive gray; very fine to medium grains, some mostly fine and some mostly medium; angular to subrounded; moderately well to some poorly sorted; mostly grain supported with slightly organic clay matrix to some matrix supported including streaks and clasts of claystone; 60-800/0 quartz, and 20-40°1<> clay, coal, rare red and green clasts including feldspar, and trace hematite stained flakes; estimate poor to some fair porosity and permeability; oil indicators masked by oil based mud contamination. 13270 Claystone = brownish gray to very dark gray; soft to slightly firm; moderately hydrophilic; subblocky to subplaty to flaky, amorphous to slight incipient fissility; slightly to some moderately organic grading to carbonaceous shale with streaks to possible thin beds coal; slight to very silty/gritty texture grading sandstone, with very fine to medium and scattered coarse grains, and siltstone; slight calcareous matter. 13330 Coal = black to brownish black; slightly firm and brittle to crumbly; hackly to flaky to subplaty fracture; moderately to slightly shiny luster; lignite to subbituminous; massive to grading carbonaceous shale and possible interbedded with sandy claystone. 13425 Coal = black to brownish black; slightly firm to firm and slightly brittle to crumbly; hackly fracture; moderately to slightly shiny luster; subbituminous to lignite; massive to probable U EPOCH 41 ) ) UNOCAL8 A-15RD occasionally grading carbonaceous shale to sandy claystone to possible clayey sandstone. 13490 Carbonaceous shale = dusky brown to brownish black to dark gray; amorphous to subplaty with slight incipient fissility; occasional laminar flakes; grading to lignite and interlaminated to interbedded with coal; smooth to slightly silty texture; some grading slightly organic sandy claystone and clayey sandstone with fine to medium grains; trace calcareous including calcite. 13560 Tuffaceous siltstone = light brownish gray to light gray; soft to slightly firm; kaolic and overall slightly organic; dull to earthy luster; silty and sandy including very fine to medium grains grading sandstone. BEGIN A15RDST1L1 12705 Sand = olive gray; fine to medium and scattered coarse grains, very slight coarse bit impacted fragments; subangular; moderately to moderately well sorted in slight overall clay matrix; occasional streaks and lenses grading claystone; 75%) quartz, and 25% mostly gray to some black and brown clay and coallithics, red and green grains including feldspar, and trace chert; estimate mostly fair porosity and permeability; oil indicators masked by oil based mud contamination. 12795 Sand = medium gray to light gray, occasional olive gray secondary hue; fine to medium and scattered lower coarse grains, rare bit impacted fragments; moderately to moderately well sorted; dominantly unconsolidated, occasional friable consolidated cuttings with slight clay matrix to occasional grain supported; 70% translucent white to clear quartz, 30% mostly gray to black and brown clay and coallithics, rare red and green grains; estimate mostly fair porosity and permeability; oil indicators obscured by oil based mud contamination. 12875 Sand = medium gray to olive gray; very fine to medium grains, dominantly fine to medium, occasional lower coarse and bit impacted fragments; subangular to angular; moderately to moderately well sorted; mostly unconsolidated; 70% quartz, 30% mostly gray, black, and brownish black lithic fragments including chert, claystone, coal, and scattered feldspar, occasional red and green to bluish green; estimate fair porosity and permeability; oil indicators masked by oil based mud contamination. 12950 Sand = olive gray to light olive gray; mostly upper fine to medium, some upper medium lower coarse and very fine grains, scattered bit impacted fragments; subangular to angular; [1 EPOCH 42 UNOCAL8 A-15RD ) moderately to some slight poorly sorted; probable clay matrix to some grain supported; 70°,10 quartz, 30°,10 gray, black, and brownish black lithic fragments including varying amounts of clay, coal, chert, feldspar and assorted silicates; estimate slightly fair to fair porosity and permeability; oil indicators masked by oil based mud contamination. 13050 Conglomeratic sand/sand = olive gray to light olive gray; fine to coarse grains, common very coarse to coarse bit impacted fragments and pebble fragments; moderately sorted with slight clay matrix to poorly sorted grading conglomeratic sand; 70% quartz, 300/0 mostly gray to some black and brown clay and coallithics, red and green grains including feldspar and trace chert; estimate fair to poor porosity and permeability; oil indicators masked by oil based mud contamination. 13120 Conglomeratic sand/sand = light gray to light olive gray; fine to coarse grains, common very coarse to coarse bit impacted fragments and pebble fragments; moderately sorted with slight clay matrix to poorly sorted grading conglomeratic sand; 70% quartz, 30°,10 mostly gray to some black and brown clay and coallithics, red and green grains including feldspar and trace chert; estimate fair to poor porosity and permeability; oil indicators masked by oil based mud contamination. 13190 Conglomeratic sand/sand = medium gray to light olive gray; fine to coarse grains, common very coarse to coarse bit impacted fragments and pebble fragments; moderately sorted with sli clay matrix; to poorly sorted grading conglomeratic sand; 70°,10 quartz, 300/0 mostly gray to some black and brown clay and coallithics, red and green grains including some feldspar and trace chert; estimate poor to fair porosity and permeability; oil indicators masked by oil based mud contamination. 13260 Sand = medium gray to light gray, occasional olive gray secondary hue; fine to medium and scattered lower coarse grains, rare bit impacted fragments; moderately to moderately well sorted; dominantly unconsolidated, occasional friable consolidated cuttings with slight clay matrix to occasional grain supported; 700/0 translucent white to clear quartz, 30% mostly gray to black and brown clay lithics; fair permeability and porosity; oil indicators masked by oil based mud contamination. 13300 Tuffaceous claystone = brownish gray to very dark gray; firm to slightly firm, occasionally soft; moderately to fairly hydrophilic; subblocky to subplaty, some flaky; slightly to moderately organic grading to carbonaceous shale, common streaks of coal; slight to very gritty texture grading to very fine to fine grained sand; slight calcareous matter. 13400 [~ EPOCH 43 ') ) UNOCAL8 A-15RD Sand = medium gray to olive gray; very fine to medium grains, dominantly fine to medium, occasional lower coarse and bit impacted fragments; subangular to angular; moderately to moderately well sorted; mostly unconsolidated; 70% quartz, 30°1'0 mostly gray, black, and scattered feldspar, occasional red to green to bluish green; estimate fair porosity and permeability; oil indicators masked by oil based mud contamination 13465 Conglomeratic sand/sand = medium gray to light olive gray; fine to coarse grains, common very coarse to coarse bit impacted fragments and pebble fragments; moderately sorted with slight clay matrix; to poorly sorted grading conglomeratic sand; 70% quartz, 30% mostly gray to some black and brown clay and coallithics, red and green grains including some feldspar and trace chert; estimate poor to fair porosity and permeability; oil indicators masked by oil based mud. 13530 Sand = medium gray to olive gray; very fine to medium grains, dominantly fine to medium, occasional lower coarse and bit impacted fragments; subangular to angular; moderately to moderately well sorted; mostly unconsolidated; 70% quartz, 30°1'0 mostly gray, black, and brownish black lithic fragments including chert, claystone, coal, and scattered feldspar, occasional red and green to bluish green; estimate fair to moderately fair porosity and permeability; oil indicators masked by oil based mud contamination. 13605 Sand = medium light gray to medium gray, with occasional slight olive gray hue; mostly fine to lower coarse grained, some very fine, coarse and bit impacted subangular to angular; moderately to moderately well sorted; dominantly unconsolidated with scattered slightly friable consolidated cuttings; probable clay matrix with occasional grading to grain supported; 60-80% translucent white to clear quartz; 20-40°1'0 gray, black and brown lithic fragments, including claystone, coal, and chert, scattered greenstone and rare red to pink grains; trace hematite stained flakes; estimate mostly fair to some moderate porosity and fair permeability; oil indicators obscured by oil based mud contamination. BEGIN A15RDST1L 1A 13500 Sand = medium light gray to medium gray, with occasional slight olive gray secondary hue; mostly upper fine to lower coarse, some very fine, coarse and bit impacted fragments; subangular to angular; moderately sorted; dominantly unconsolidated with scattered slightly friable consolidated cuttings; 60-80% quartz, 20-40% gray, black and brown including chert, claystone and coal, rare red and green; estimate fair to poor porosity and permeability; oil indicators masked by oil based mud contamination. 13575 Sand = medium gray to olive gray; very fine to medium grains, dominantly fine to medium, occasional lower coarse and bit impacted fragments; subangular to angular; moderately to moderately well sorted; mostly unconsolidated; 70% quartz, 30% mostly gray, black, [:I EPOCH 44 ') ) UNOCAL8 A-15RD and scattered feldspar, occasional red to green to bluish green; estimate fair porosity and permeability; oil indicators masked by oil based mud contamination. 13655 Sand = light gray to medium gray, with occasional slight olive gray secondary hue; mostly upper fine to lower coarse, some very fine, coarse and bit impacted fragments; sub-angular to angular; moderately sorted; dominantly unconsolidated with scattered slightly friable consolidated cuttings; 60-80% quartz, 20-40°,10 gray, black and brown to rare green and red; estimate fair porosity and permeability; oil indicators masked by oil based mud contaminates 13735 Sand = medium gray to olive gray; very fine to medium grains, dominantly fine to medium, occasional lower coarse and bit impacted fragments; subangular to angular; moderately to moderately well sorted; mostly unconsolidated; 60% quartz, 40% mostly gray, black, and scattered feldspar, occasional red to green; estimate fair porosity; oil indicators masked by oil based mud contamination. 13790 Conglomeratic sand/sand = medium gray to light olive gray; fine to coarse grains, some very coarse to coarse bit impacted fragments; moderately sorted with slight clay matrix to poorly sorted grading conglomeratic sand; 70% quartz, 30% mostly gray to black and brown clay and coallithics, estimate poor to fair porosity; oil indicators masked by oil based mud contamination. 13845 Sand = medium gray to olive gray; very fine to medium grains, dominantly fine to medium, occasional lower coarse and bit impacted fragments; subangular to angular; moderately to moderately well sorted; mostly unconsolidated; 70°,10 quartz, 30% mostly gray, black, and scattered feldspar, occasional red and green to bluish green; estimate fair porosity and permeability; oil indicators masked by oil based mud contamination. 13910 Conglomeratic sand/sand = light gray to light olive gray; fine to coarse grains, common very coarse to coarse bit impacted fragments and pebble fragments; moderately sorted with slight clay matrix to poorly sorted grading conglomeratic sand; 70% quartz, 300/0 mostly gray some red and green grains including feldspar and trace chert; estimate fair to poor porosity and permeability; oil indicators masked by oil based mud contamination. 13975 Sand = light gray to medium gray, with occasional slight olive gray secondary hue; mostly upper fine to lower coarse, some very fine, coarse and bit impacted fragments; sub-angular to angular; moderately sorted; dominantly unconsolidated with scattered slightly friable consolidated cuttings; 60°,10 quartz, 40% mostly gray, black, and scattered feldspar, [:I EPOCH 45 ) ') UNOCAL8 A-15RD occasional red and green to bluish green; estimate fair porosity and permeability; oil indicators masked by oil based mud contamination. . 14045 Tuffaceous claystone = brownish gray, light to medium gray; firm to slightly firm, occasional soft; fair to moderate hydrophilic; platy to blocky, some flaky; slightly to moderate organic grading to carbonaceous shale, gritty texture grading to a fine grain sand. 14080 Conglomeratic sand/sand = light gray to medium light gray; fine to coarse grains, occasionally very coarse to coarse bit impacted fragments; moderate to poor sorted with clay/ash matrix to poor sorted grading conglomeratic sand; 80% quartz, 20% lithics with traces of feldspar, chert; slightly calcareous; estimate fair to good porosity and permeability; oil indicators masked by oil based mud contamination. 14115 Coal =black to brownish black; tough to brittle; planar to blocky occasionally splintery fracture; flaky cuttings habit; greasy to resinous, occasionally dull luster; smooth to mate texture; slightly visible gas bleeding. 14130 Conglomeratic sand/sand = light gray to medium gray, fine to coarse grains, common very coarse to coarse bit impacted fragments; moderate to poorly sorted with clay/ash matrix to poor sorted grading to conglomeratic sand; 80% quartz, 20°1<> lithics with traces of feldspar, chert; slightly calcareous; estimate fair to good porosity and permeability; oil indicators masked by oil based mud contamination. 14195 Sand = light gray to medium gray, some olive gray; fine to medium grains, some coarse and bit impacted fragments; subangular to angular; moderately to well sorted; predominantly unconsolidated; 700k quartz, 30% gray, black, red and green grains, including feldspar; slightly to moderately calcareous; fair porosity and permeability; oil indicators masked by oil based mud contamination. 14240 Conglomeratic sand/sand = light gray to medium light gray; fine to coarse grains, occasionally very coarse to coarse bit impacted fragments; moderate to poorly sorted with clay/ash matrix to poorly sorted grading to conglomeratic sand; 80% quartz, 20% lithics with feldspar, chert; light calcareous; estimate fair to good porosity and permeability; oil indicators masked by oil based mud contamination. 14295 Sand = light gray, white, clear, olive gray; fine to medium grains, some coarse and bit impacted fragments; subangular to angular; moderately to well sorted; predominantly [~ EPOCH 46 ') UNOCALe A-15RD ) unconsolidated; 70% quartz, 300~ gray, black, red and green grains, including feldspar; slightly to moderately calcareous; fair porosity and permeability; oil indicators masked by oil based mud contamination. 14375 Conglomeratic sand/sand = medium gray to light brown gray; medium to coarse grains, occasionally coarse to pebble sized grains; subrounded to subangular, occasionally angular; moderate to low sphericity; 800~ quartz, 200~ lithics, with red, green, brown grains, including feldspar, chert; moderately calcareous; estimate low porosity and permeability; oil indicators masked by oil based mud contamination. 14415 Sand = light gray to light brown gray; fine to coarse grains, some coarse and bit impacted fragments; subangular to angular; moderate to well sorted; predominantly unconsolidated; 70% quartz, 30% gray, black, red and green grains, including feldspar; moderately calcareous; estimate fair to good porosity and permeability; oil indicators masked by oil based mud contamination. 14465 Tuffaceous claystone = light to medium gray, brownish gray; soft to slightly firm; moderately hydrophilic; blocky to platy, some flaky; moderately organic grading to carbonaceous shell; gritty texture grading to fine grain sand; slightly calcareous. 14495 Sand = light gray, gray, white, clear, some olive gray; fine to medium grains, some coarse and bit impacted fragments; subangular to angular; moderately to well sorted; predominantly unconsolidated; 70% quartz, 30% gray, black, red and green grains, including feldspar; moderately calcareous; fair porosity and permeability; oil indicators masked by oil based mud contamination. 14550 Conglomeratic sand/sand = medium gray to light brown gray; medium to coarse grains, occasionally coarse to pebble sized grains; subrounded to subangular, occasionally angular; moderate to low sphericity; 800~ quartz, 20% lithics, with red, green, brown grains, including feldspar, chert; moderately calcareous; estimate fair porosity and permeability; oil indicators masked by oil based mud contamination. 14590 Sand = light gray to light brown to tan, white, opaque; fine to medium grains, some coarse and bit impacted fragments; subangular to angular; moderately to well sorted; predominantly unconsolidated; 700~ quartz, 30% gray, black, red and green grains, including feldspar; moderately calcareous; fair porosity and permeability; oil indicators masked by oil based mud contamination. 14630 [j EPOCH 47 '> ) UNOCAL8 A-15RD Conglomeratic sand/sand = light gray to yellowish gray; fine to medium grains, occasional coarse sized grains; subrounded to subangular, occasionally angular; moderately to low sphericity; 70°1'0 quartz, 30% lithics, with red, light and dark green, brown grains, including feldspar, chert; moderately calcareous; estimate fair porosity and permeability; oil indicators masked by oil based mud contamination. 14670 Sand = medium light gray to light olive gray; fine to medium grains, some coarse and bit impacted fragments; subangular to angular; moderately to well sorted; predominantly unconsolidated; 700/0 quartz, 30°1'0 gray, red, brown, green grains, including feldspar, chert; moderately calcareous; estimate fair porosity and & permeability; oil indicators masked by oil based mud contamination. 14720 Sand = medium light gray to greenish gray; very fine to fine, some medium grains; subangular to subrounded; moderately to subangular to angular; moderately to poor sorted; predominantly unconsolidated; 600/0 quartz, 40% lithics with clear, light and dark brown, red, green grains, including feldspar, chert; moderately calcareous; estimate low to moderate porosity and permeability; oil indicators masked by oil based mud contamination. 14765 Tuffaceous claystone = light to medium gray, brownish gray; soft to slightly firm; moderate hydrophilic; blocky to platy, some flaky; moderate organic grading to carbonaceous shale; gritty texture grading to fine grain sand; slightly calcareous. 14795 Sand = light gray, gray, some creamy, tan, gray, clear, fine to medium grains, to coarse bit impacted fragments; subangular to angular; moderate to well sorted; predominantly unconsolidated; 70% quartz, 30°1'0 lithics with gray, black, red and green grains, including feldspar; moderate calcareous; estimate fair porosity and permeability; oil indicators masked by oil based mud contamination. 14850 Conglomeratic sand/sand = light gray to yellowish gray; fine to medium grains, occasional coarse sized grains; subrounded to subangular, occasional angular; moderate to low sphericity; 70°1'0 quartz, 30% lithics, with red, light and dark green, brown grains, including feldspar, chert; moderate calcareous; estimate fair porosity and permeability; oil indicators masked by oil based mud contamination. 14890 Sand = light gray, gray, white, clear, some olive gray; fine to medium grains, some coarse and bit impacted fragments; subangular to angular; moderate to well sorted; predominantly [~ EPOCH 48 ') ) UNOCAL8 A-15RD unconsolidated; 80°Æ> quartz, 20% lithics, with gray, black, red and green grains, including feldspar; moderately calcareous; estimate fair porosity and permeability; oil indicators masked by oil based mud contamination. 14930 Sand = light gray, gray, creamy, tan, gray, clear, fine to medium grains to coarse and bit impacted fragments; subangular to angular; moderate to well sorted; predominantly unconsolidated; 70°Æ> quartz, 30% lithics, with gray, black, red and green grains, including feldspar; moderately calcareous; fair porosity and permeability; oil indicators masked by oil based mud contamination. 14985 Conglomeratic sand/sand = light gray to light olive gray; fine to coarse grains, occasionally very coarse; subrounded to subangular, occasionally angular; moderate to low sphericity; 70% quartz, 30% lithics, with red, light and dark green, brown grains, including feldspar, chert; moderate calcareous; estimate fair porosity and permeability; oil indicators masked by oil based mud contamination. 15025 Tuffaceous claystone = medium to brownish gray; soft to slightly firm; moderate hydrophilic; black to platy, some flaky; moderately organic, grading to carbonaceous shale; gritty texture grading to fine sand; slightly calcareous. ~ EPOCH 49 ') ) UNOCAL8 A-15RD DAILY ACTIVITY SUMMARY 12/05/01 Epoch mudloggers arrived on location 1 pm on Monday, December 3; Epoch to log on @ 1074' when drilling out of 13 3/8" casing shoe. 12/06/01: 1074'-1106' Drill cement from 811 to 853'; losing mud over shakers; condition and build mud; drill cement from 853 to 1074'; drill from 1074 to 1083'; change mud system to recover cuttings in safe guard tank; orient tool; slide from 1083 to 1106'. 12/07/01: 1106' -1463' Drill and slide from 1106 to 1184'; perform fit; thaw choke line; drill and slide from 1184 to 1340'; perform sheen test while circulating 9 spm-failed; switch cuttings to safe guard tank; drill and slide from 1340 to 1463'. 12/08/01: 1463'-1849' Drill and slide from 1463 to 1653'; circulate and clean hole; wiper trip to shoe; work pipe and pump 9 spm while waiting on safe guard tanks; trip to bottom washing down last stand; drill and slide from 1653' t01849'; circulate out oil contaminated cuttings. 12/09/01: 1849' Finish circulating at 1849' and trip to shoe; swap out oil contaminated mud transferring old mud to Grayling Platform; building new mud and new mud system, for easier disposal. 12/10/01: 1849'-2182' Finish building new mud system; displace mud in hole and build volume in mud pits; drill ahead, rotating and sliding from 1850' to 2182'. 12/11/01: 2182' -3110' Drill ahead, rotating and sliding, from 2182 to 3110'. 12/12/01: 3110' -3593' Drill ahead, rotating and sliding, from 3110' to 3593'; trip out of hole for Bit #2; test BOPs. 12/13/01: 3593' -4046' Finish testing BOPs; make up and trip in hole with new BHA, including new PDC bit #2 and new mud motor; trip in hole to 2167, and wash and ream 1 stand to 2260', maximum 394 units of gas; trip in to 2980' and work pipe through tight spot; trip to bottom, washing and reaming, maximum 1050 units of gas; drill ahead, rotating and sliding from 3594' to 4046'. 12/14/01: 4046' -4403' Drill ahead, rotating and sliding, from 4046' to 4403', diverting cuttings to safeguard tanks beginning at 4114' after oil show. 12/15/01: 4403' -4419' [~ EPOCH 50 ) UNOCAL8 A-15RD Drill ahead, rotating and sliding, from 4403 to 4419', continuing to divert cuttings to Safe Guard tanks, trip out of hole for new bit #3 and new mud motor, trip in hole, ream and wash last stand, prep to drill. 12/16/01: 4419' -5195' Drill ahead, rotating and sliding, from 4419 to 5195'. 12/17/01: 5195' -5451' Drill ahead, rotating and sliding, from 5195 to 5451', trip out of hole to shoe, back reaming, maximum 29 units of gas, circulate casing clean, maximum 50 units of gas, pull out of hole for bit #4 and new mud motor, change out damaged 5" heavy weight drill pipe. 12/18/01: 5451 '-6142' Trip in hole with new bit #4 and new mud motor, wash and ream to bottom, maximum 553 units of gas; rotate and slide from 5451 to 6142'. 12/19/01: 6142' -6744' Drill ahead, rotating and sliding, from 6142' to 6744'. 12/20/01: 6744' -7033' Drill ahead, rotating and sliding from 6744 to 7033'; circulate bottoms up and clean hole while working pipe; trip out of hole, circulating and working pipe through tight spots, maximum 313 units of gas. 12/21/01: 7033' Finish trip out of hole, circulating and working pipe through tight spots, maximum 185 units of gas; test BOPs; make up MWD tools; trip in hole for MAD pass. 12/22/01: 7033' Finish trip in hole to MADD pass logging depth, 5574', washing in last 14 stands, maximum 70 units of gas; log hole up to casing shoe while pulling pipe and circulating, maximum 85 units of gas; circulate bottoms up at shoe, maximum 10 units. 12/23/01: 7033' -7092' Trip out of hole from shoe and pick up new BHA with new bit #5 and new mud motor; trip in to shoe and test MWD, work on brakes, and cut drill line; trip in hole to 7033', washing and reaming through tight spots; drill from 7034 to 7092'. 12/24/01: 7092'-7486' Drill from 7092' to 7473'; pump high viscosity sweep; pull out of hole to 6535'; trip back in hole to 7473'; drill from 7473 to 7486'. 12/25/01 : 7486' -7910' Drill ahead, rotating and sliding, from 7486' to 7910'. 12/26/01 : 7910' Circulate out at 7910', pump sweep, and clean hole, maximum 65 units of gas; trip out of hole to shoe, back reaming and working through tight spots, maximum 20 units of gas; trip to bottom washing through tight spots; circulate bottoms up and clean hole, maximum 515 units of gas; circulate and condition 8 hours on bottom, maximum 135 units of gas; begin trip out of hole. [J EPOCH 51 ) ) UNOCALCf) A-15RD 12/27/01: 7910' Finish trip out of hole; rig up Schlumberger and run in hole with open hole logs; log from 5900' to casing shoe; test BOP's. 12/28/01 : 7910' Finish test BOPs, and continue wireline logging with Schlumberger, collecting formation fluid samples and pressures with MDT tool, tripping in wireline tool with drill pipe. 12/29/01 : 7910' Finish running MDT tool; trip out of hole; rig down Schlumberger; make up BHA and run in hole, reaming and circulating through tight spots; circulate bottoms up at 3500', 4459' and 5507'. Max trip gas at report time: 150 units at 4459'. 12/30/01 : 791 0' Continue tripping in hole to approximately 6835', washing and reaming; work pipe due packing off with coal cavings; circulate while working pipe and back reaming out of hole 5 stands, maximum 365 units of gas; continue circulating, working pipe and cleaning hole until gas to 75 units; continue pulling out of hole to 5450', working pipe through tight spots; trip in hole; back ream out of hole to 6150'; max gas at report time-614 units while circulating at 6228'. 12/31/01: 7910' Work pipe at 6228' while working on pump suctions; trip out to stand 48 and clean pits; wash and ream to 6835', maximum of 268 units of gas; packing off, break stand and work through tight spot; continue working slowly into hole working pipe, circulating and back reaming through tight spots to 6850' at report time; large amounts of coal coming over shakers including many of baseball size and larger; max gas at report time-460 units at 6595' and 457 units at 6822'. 01/01/02: 7910' -8216' Continue working slowly into hole working pipe and reaming 6850 to 7910'; maximum of 285 units of gas; drill ahead, rotating and sliding, from 7910 to 7951; lay back stand and change shaker screens; drill ahead, rotating and sliding from 7951 to 8216'. 01/02/02: 8216' -8465' Drill ahead, rotating and sliding, from 8216 to 8465'; circulate and pump and circulate out sweep; short trip to 5500'; trip back in hole, circulating and working pipe through tight spots to 6850' at report time; max gas at report time-45 units at 6820'. 01/03/02: 8465' Continue working pipe at 6850' and pull back 3 stands and circulate and clean hole of coal slough, maximum 415 units; wash and ream to 6853' and slide 15' through tight spot; work pipe and circulate, survey - dropped 1.8 degrees from previous survey, and continue circulating, maximum 145 units of gas; pump sweep and circulate; pull out of hole to 5500', back reaming, maximum 470 units of gas; trip in to 6855'; spot Soltex pill to stabilize coal; trip out of hole to make a run with a 12 }'4" hole opener. 01/04/02: 8465' Run in with 12 Y4" hole opener and BHA to shoe; cut drill line; run in hole reaming through tight spots down to 6837'; maximum 0115 units of gas; work pipe while reaming to avoid [~ EPOCH 52 ) UNOCAL8 A-15RD ') sidetrack and work through tight spots down to 6932'; maximum of 385 units of gas; run to bottom, reaming through tight spots; circulate 1.5 times bottoms up, maximum 160 units of gas; pull up to 8050' and pump sweep, maximum 15 units; begin wiper trip out of hole to 5500'. 01/05/02: 8465' Finish trip out of hole to 5500'; trip to bottom washing through tight spots; circulate and pull 3 stands; pump sweep and circulate out, maximum 35 units of trip gas; pull out of hole to 6930' and spot pill 730 strokes, maximum 21 units of gas; pull out of hole 2 stands and pump dry job; begin pull out of hole for casing run. Epoch completes partial rig down for standby: powers down equipment, caps hydrogen and span gas bottles, and removes gas trap. 01/06/02: Standby 01/07/02: Standby 01/08/02: Standby 01/09/02: Standby 01/10/02: Standby 01111/02: Standby 01/12/02: 8465' Epoch mudloggers arrived on location at 5:30 pm after 6 days standby, 1/6/02 thru 1/11/02. Rig picked up BHA and began tripping in hole. 01/13/02: 8465'-8481' Finish running in hole and drill float, cement, and shoe down to 8157'; wash and ream down to 8465', maximum 520 units of gas, circulate hole clean; pull up into shoe and displace water based mud with oil based in pits; trip in to bottom and drilled ahead from 8465' to 8481'. 01/14/02: 8481 '-8769' Drill ahead from 8481' to 8490', and circulate out; pull out 3 stands to shoe and test formation integrity: P.I.T. = 10.4 E.M.W.; continue to build volume and weight up mud in pits; trip in and drill ahead to 8494', maximum 8 units of trip gas; pull out of hole 3 stands to shoe and work on shakers; drill ahead from 8494' to 8769', circulate and condition hole; pull out 33 stands to 5870'; service top drive and draw works. 01/15/02: 8769'-9140' Finish service top drive and draw works; pick up and run in hole with drill pipe; drill ahead from 8769' to 9140'. 01/16/02: 9140'-9180' Drill ahead from 9140' to 9158'; circulate and trip out of hole; pick up new bit #8 and new mud motor and trip in hole; wash and ream last two stands to bottom and drill ahead, rotating and sliding, from 9158' to 9180'; shakers down; pull out to shoe while troubleshooting shakers; draw works chain breaks during trip to shoe; shakers back online. [~ EPOCH 53 ) ) UNOCAL8 A-15RD 01/17/02: 9180'-9668' Finish working on draw works; run in hole to 9072' and wash and ream to bottom, trip gas 15 units; pull off bottom and work on brakes; drill ahead from 9179' to 9326' slide 9326' to 9351', drill ahead from 9351' to 9414'; slide from 9414' to 9444'; drill ahead from 9444' to 9668'. 01/18/02: 9668'-10213' Drill ahead from 9668' to 9943; both pumps down; repair pumps; drill ahead from 9943 to 10213'. 01/19/02: 10213'-10537' Drill ahead, rotating and sliding, from 10213' to 10537'; circulate out and pull 5 stands; pump dry job and pull out of hole; test BOPs. . 01/20/02: 10537-10577' Finish testing BOPs; pick up BHA with new bit #9 and new mud motor; test MWD tool; trip in hole 60 stands and cut drill line; work on brakes for draw works; run in hole to 10537' reaming last 53';slide from 10537' to 10559'; drill ahead from 10559' to 10577'. 01/21/02: 10577'-11050' Drill ahead from 10577' to 10923'; slide from 10923' to 10930'; drill ahead from 10930' to 10953'; slide from 10953' to 10994'; drill ahead from 10994 to 11050'. 01/22/02: 11050' -11357' Drill ahead from 11050' to 11087'; slide from 11087' to 11139'; drill ahead from 11139' to 11248'; change out swivel packing on top drive; drill ahead from 11248' to 11357'; lose pump pressure; pull out of hole wet looking for washout; found washout at 8786'; prepare to run in hole. 01/23/02: 11357'-11519' Run in hole from 8786', washout, to bottom; drill ahead, trip gas 6 units, from 11357' to 11431'; lay down stand from derrick and remove actuator valve from flow line; slide from 11431' to 11516', and rotate to 11519'; circulate bottoms up; pump dry job; pull out of hole to shoe; replace low drive chain on draw works; run in hole 7 stands; pull out of hole for new bit #10 and LWD tools. 01/24/02: 11519' -11756' Pick up and run in with BHA including new bit #10, new mud motor, and LWD tools; run in hole reaming to bottom last 102 feet; trip gas 25 units, drill ahead, mostly sliding, from 11519' to 11756'. 01/25/02: 11756' -12077' Drill ahead, rotating and sliding, from 11756' to 12077'. 01/26/02: 12077'-12335' Drill ahead, rotating and sliding, from 12077' to 12335'. 01/27/02: 12335'-12428' ~ EPOCH 54 ) ) UNOCAL8 A-15RD Drill ahead, picking up singles at connections, from 12335' to 12428'; circulate bottoms up after drilling break to confirm drilling sand (Hemlock); pull out three singles and lay down; MADD pass out of hole from 12072' to 11435', maximum 26 units of gas. 01/28/02: 12428' MADD pass out of hole from 11435' to 11030', maximum 8 units of gas; circulate out and pump dry job, maximum 10 units of gas; pull out of hole; test BOP. 01/29/02: 12428' Finish testing BOPs; pick up new BHA with new bit #11 and high angle mud motor, 1.83 degrees; trip in hole 56 stands; lay down 24 joints of 5" drill pipe; cut drill line; pick up and run in with 39 joints of drill pipe to 8609', washing and reaming and working pipe through tight spots below 12 X" hole @ 8465', maximum 48 units of gas; wash and ream to 9110', maximum 26 units of gas; pull out of hole for new bit and lower angle mud motor. 01/30/02: 12428' Finish pull out of hole; pick up and run in hole with new bit #12 and smaller angle mud motor, 1.50 degrees; run in hole to 9180'; run in hole working pipe, and washing and reaming, from 9180' to 11865', maximum 29 units of gas; run in hole to 12270'; pull out of hole to 12259'; circulate and work pipe; back ream and pump out of hole to 11975'; stuck pipe; repair mud line; continue to work and attempt to free stuck pipe. 01/31/02: 12428' Free stuck pipe pull 2 stands and circulate and condition hole; pull out of the hole; lay down BHA; pick up 800' of 2 7/8" tubing; run in hole. 02/01/02: 12428' Run in hole with tubing; work on brakes; trouble shoot draw works; continue in hole; circulate at the shoe; continue in hole, slowly through open hole; circulate at 9143'; continue in hole; pressure test Dowell lines to 3000 psi; pump 11 bbls cement; chase with rig pumps. BEGIN DATA FOR A15RDST1 02/02/02: 10189' Continue cementing; pull up hole to 11499'; pump 5 bbls OBM; pull up hole to 11128'; circulate bottoms up, 9 BPM @ 2100 psi; pump 20 bbl viscous pill; pull out of hole to 10980'; circulate bottoms up; pump cement mix; pull up hole to 9700'; circulate bottoms up and monitor well for 15 minutes; static; circulate dart in place and pump pill; pull out of hole; notice cement in tool joints; break and clean tool joints; lay down 2 7/8" tubing; rig down GBR; clean rig floor; trip in hole 50 joints; break every joint cleaning away cement. 02/03/02: 10189' Continue pulling out of hole breaking every joint, cleaning away cement; pick up BHA with new bit #13 and mud motor; test MWD tool; trip in hole, rattling drill pipe for cement and breaking every 1500', to shoe; clean floor for brake change; hang blocks; cut drill line. 02/04/02: 10189'- (J EPOCH 55 ) ) UNOCAL8 A-15RD Finish cut drill line and working on brakes for draw works; slip drill line and trip in hole to top of cement @ 10189'; drill cement down to 10430'; work pipe to begin sidetrack; drill ahead, rotating and sliding, from 10430' to 10464'. 02/05/02 Drill ahead, rotating and sliding, from 10464' to 10861 '. 02/06/02 Drill ahead, rotating and sliding, from 10861' to 11053'. 02/07/02 Drill ahead, rotating and sliding, from 11053' to 11206'; pump dry job and trip out of hole; lay down BHA; begin BOP test. 02/08/02 Finish BOP test; pick up BHA with new bit #14 and mud motor; trip in hole; wash and ream from 11154' to 11206'; drill ahead, 48 units of trip gas, rotating and sliding, from 11206' to 11343'. 02/09/02 Drill ahead, rotating and sliding, from 11343' to 11678'. 02/10/02 Drill ahead, rotating and sliding, from 11678' to 11853'; circulate bottoms up; pump dry job; trip out of hole to BHA. 02/11/02 Trip in with new bit #3 and new mud.motor; wash and ream two stands to bottom; drill ahead, rotating and sliding, from 11853' to 12013'. 02/12/02 Drill ahead, rotating and sliding, from 12013' to 12271'. 02/13/02 Drill ahead, rotating, from 12271' to 12382'; circulate bottoms up; MADD pass out of hole. 02/14/02 Epoch mud loggers leave on standby 7:00am Feþruary 14. Partial rig down of equipment. 02/15/02 to 2/16/02 Standby. 02/17/02 Epoch mud logger arrived on location 4:00 pm February 17, after standby February 15-16, while drill floor picking up drill pipe; finish picking up drill pipe and trip in hole to tag cement @ 12275'; test casing and service top drive; drill cement and float equipment from 12275' to 12297'. . 02/18/02 [~ EPOCH 56 ) UNOCAL8 A-15RD ) Finish drilling float, cement, and shoe from 12297' to 12382'; drill to 12402' and test formation integrity; drill ahead from 12402' to 12415'; trip out of hole; change BHA and rerun bit number 4; trip in hole. 02/19/02 Finish trip in hole; drill ahead, mostly sliding, from 12415' to 12468'; pump dry job and pull out of hole; pick up new bit #6; trip in hole to shoe; cut and slip drill line; finish trip in hole. 02/20/02 Begin drill ahead, 2 units of trip gas, mostly sliding, from 12468' to 12624'; pull out of hole to shoe; pump dry job; trip out of hole. 02n1ro2 , Finish trip out of hole and pick up new bit #7 and new mud motor; trip in hole to shoe; trip to bottom taking five check point surveys; drill ahead, 2 units of trip gas, rotating and sliding, from 12624' to 12797'. 02/22/02 Drill ahead, rotating and sliding, from 12797' to 13055'; pump dry job; pull out of hole for new bit #8; lay down BHA. 02/23/02 Lay down BHA.; test BOP's; pick up BHA with new bit #8 and new mud motor; unable to load source on ADN tool and laid back same; ran in hole with 3 %" drill pipe and picked up and ran in with 18 joints of 3 %" drill pipe; ran in hole to bottom washing in last stand and back reaming back to tool joint; washed to bottom and drilled ahead, 4 units of trip gas, rotating and sliding, from 13055' to 13162'. 02/24/02 Drilled ahead, rotating and sliding, from 13162' to 13358'; circulate bottoms up; pull out of hole to shoe; pump dry job; pull out of hole for new bit #9. 02/25/02 Pick up new BHA with new bit #9, new mud motor, and ADN tool; run in hole to 12538'; pipe stuck, work pipe and free pipe; pull out of hole changing BHA to less stiff assembly and laying down ADN tool; trip in hole with same bit #9 to shoe; cut and slip drill line; finish tripping in hole. 02/26/02 Wash and ream 110' to bottom, 50 units of trip gas; drill ahead, rotating and sliding, from 13355' to 13516'. 02/27/02 Drill ahead, rotating and sliding, from 13516' to 13620'; circulate bottom up 1.5 times; pull out of hole to shoe; pump dry job; pull out of hole. 02/28/02 Pull out of hole; work stuck pipe; free pipe; pull out of hole; lay down BHA; pick up new BHA with bit #10, new mud motor, and ADN tool; run in hole; wash through tight spots in 7" casing, maximum 34 units of gas; trip in down to 13280' to begin MADD pass. [j EPOCH 57 ) ) UNOCAL8 A-15RD 03/01/02 Run MADD pass from 13280' to 12280' at 300' per hour; run in hole to 12700'; trench for open hole sidetrack; time drill from 12700' to 12722'; slide from 12722' to 12749'. 03/02/02 Drill ahead, sliding and rotating, from 12749' to 13063'; circulate out and clean hole; run MADD Pass 13063' to 12954'. 03/03/02 Continue MADD Pass from 12954' to 12383; circulate bottom up 1.5 times while working pipe; drop dart; pump high viscosity sweep; circulate sweep around plus one bottom up; pull out of hole to top of liner, no problems; pump dry job; pull out of hole; lay down BHA; unload source; download data from logging tools; test BOP's; pick up BHA with new bit #11 and mud motor; load source; run in hole. 03/04/02 Finish tripping in hole; maximum trip gas 3 units; drill ahead, rotating and sliding, from 13063' to 13281 '. 03/05/02 Drill ahead, rotating and sliding, from 13281' to 13369'; circulate bottom up twice; MADD pass section drilled during latest bit run; pull out of hole to shoe; pump high viscosity sweep around once; circulate bottom up one and a half times; pull out of hole; change out nuclear source and bit. 03/06/02 Trip in hole with new bit #12, washing last 100'; maximum 8.0 units of trip gas; drill ahead, sliding and rotating, from 13369' to .13507'. 03/07/02 Drill ahead, sliding and rotating, from 13507' to 13733'; MADD pass out of hole to 13359'; pull out of hole. 03/08/02 Finish pulling out of hole; lay down BHA, ADN tool; pick up new bit#13 and mud motor; pick up six stands 3.5" drill pipe; run in hole; cut and slip drill line; orientate tool for entrance into open hole sidetrack; wash and ream from 12700' to 13406'; begin drilling new hole from 13406' to 13464' (A-15RDST1L 1A). 03/09/02 Drill ahead, sliding and rotating, from 13464' to 13630'. 03/1 0/02 Drill ahead, sliding and rotating, from 13630' to 13660'; circulate bottom up; pull out of hole to 12700' and align tool face as to reacquire A-15RDST1 L 1 A; run back in hole; circulate bottom up; pull out of hole; lay down BHA; pick up new BHA with bull nose and 2 7/8" tubing; run in hole to check if hole can be acquired with dummy liner. 03/11/02 [:I EPOCH 58 ) ) UNOCAL8 A-15RD Run in hole to bottom with dummy BHA; circulate bottom up; pull out to shoe; pump dry job; pull out of hole; pick up drilling BHA with new bit #14, mud motor and ADN tool; run in hole. Drill from 13660' to 13685' = 25'. 03/12/02 Epoch mud logging crew change at 1:00 pm. Drill ahead, mostly sliding, from 13685' to 13995'. 03/13/02 Drill ahead from 13995' to 14021 '. Circulate out. Trip for new bit No.15. SMITH 6" XR20HDTGPD/MK1292 w/3x12's. Drill from 14021' to 14030'. 03/14/02 Drill ahead from 14030' to 14269'. Circulate out. Trip for the new bit No. 16, Hughes STX- 20DX2/ZM64JG w/3x12's. 03/15/02 Trip in to hole. Drill from 14269' to 14340'. 03/16/02 Drill ahead from 14340' to 14530'. 03/17/02 Drill and slide from 14530' to 14558'. Trip for the new bit No. 17; Hughes STXDX2 w/3x12's. 03/18/02 Drill ahead from 14558' to 14838'. Trip for the bit No. 18, SMITH XR20HTGPD w/3x12's. 03/19/02 Drilling from 14838' to 14895'. 03/20/02 Continue drilling from 14895' to 15042'. TD at 15042' 03/21/02 Rig down. Epoch mud loggling crew departs at 5:15am. [~ EPOCH 59 ) ) UNOCAL8 A-15RD SURVEY SUMMARY MD Incl Azim TVD VSec NS EW DLS Course Closure CI Azim (ft) (°) C) (ft) (ft) (ft) (ft) (° /1 OOft) (ft) (ft) (°) 873.00 15.25 340.00 863.70 -98.32 91.10 -37.10 0.00 0.00 98.36 337.84 1073.00 19.97 340.91 1054.27 -158.64 148.12 -57.28 2.36 200.00 158.81 338.86 1110.19 18.56 341.34 1089.38 -170.87 159.73 -61.25 3.81 37.19 171.07 339.02 1198.18 15.07 342.37 1173.60 -196.19 183.91 -69.20 3.98 87.99 196.50 339.38 1290.79 10.81 344.86 1263.83 -216.76 203.78 -75.11 4.64 92.61 217.18 339.77 1384.51 6.27 344.55 1356.49 -230.52 217.20 -78.77 4.84 93.72 231.04 340.07 1477.28 3.71 341.97 1448.90 -238.52 224.94 -81.05 2.77 92.77 239.10 340.18 1571.01 3.21 339.32 1542.46 -244.15 230.28 -82.92 0.56 93.73 244.75 340.20 1662.92 2.03 32.12 1634.28 -247.64 234.06 -82.96 2.78 91.91 248.33 340.48 1756.52 4.37 92.93 1727.75 -246.96 235.29 -78.52 4.08 93.60 248.04 341.55 1850.96 7.02 107.11 1821.72 -241.56 233.40 -69.41 3.16 94.44 243.50 343.44 1943.99 9.89 115.42 1913.74 -231.79 228.30 -56.75 3.35 93.03 235.25 346.04 2038.09 13.42 124.35 2005.89 -216.39 218.67 -40.43 4.20 94.10 222.37 349.52 2131.00 16.87 129.60 2095.56 -195.17 203.98 -21.14 3.99 92.91 205.08 354.08 2225.67 20.75 132.37 2185.16 -167.53 183.92 1.85 4.20 94.67 183.93 0.58 2318.55 24.63 136.86 2270.84 -134.20 158.70 27.25 4.57 92.88 161.02 9.74 2413.62 28.53 141.99 2355.86 -93.48 126.34 54.79 4.76 95.07 137.70 23.45 2504.81 32.79 143.05 2434.29 -48.31 89.43 83.06 4.71 91.19 122.05 42.88 2596.04 37.32 142.65 2508.95 2.66 47.68 114.70 4.97 91.23 124.21 67.43 2689.57 40.74 141.50 2581.59 59.76 1.24 150.91 3.74 93.53 150.92 89.53 2781.52 40.91 141.21 2651.17 117.87 -45.71 188.45 0.28 91.95 193.91 103.63 2873.59 41.14 140.92 2720.63 176.21 -92.72 226.43 0.32 92.07 244.68 112.27 2970.38 40.98 140.79 2793.61 237.52 -142.02 266.56 0.19 96.79 302.04 118.05 3063.42 40.16 139.01 2864.29 295.59 -188.31 305.53 1.52 93.04 358.90 121.65 3155.92 39.46 140.39 2935.35 352.37 -233.47 343.84 1.22 92.50 415.61 124.18 3249.69 39.42 140.59 3007.76 409.71 -279.43 381.74 0.14 93.77 473.08 126.20 3342.98 38.12 140.67 3080.50 465.99 -324.59 418.79 1.39 93.29 529.85 127.78 3436.53 37.07 142.49 3154.62 521.20 -369.29 454.26 1.63 93.55 585.43 129.11 3533.48 37.50 142.67 3231.76 578.28 -415.94 489.95 0.46 96.95 642.69 130.33 3599.87 37.29 143.15 3284.50 617.52 -448.10 514.26 0.54 66.39 682.10 131.07 3693.80 39.02 142.71 3358.36 674.00 -494.40 549.25 1.86 93.93 738.98 131 .99 3786.77 38.92 142.72 3430.64 730.86 -540.92 584.67 0.11 92.97 796.51 132.77 3881.03 38.79 143.50 3504.05 788.45 -588.21 620.16 0.54 94.26 854.75 133.49 3975.10 39.00 143.65 3577.26 846.09 -635.74 655.23 0.24 94.07 912.96 134.13 4066.31 39.55 143.98 3647.87 902.49 -682.34 689.32 0.65 91.21 969.92 134.71 4159.45 39.61 144.14 3719.66 960.50 -730.39 724.15 0.13 93.14 1028.53 135.25 4252.36 39.60 141.25 3791.24 1018.08 -777.49 760.04 1.98 92.91 1087.27 135.65 4346.38 40.05 139.82 3863.45 1076.06 -823.97 798.32 1.09 94.02 1147.27 135.91 4440.17 38.79 139.13 3935.91 1133.09 -869.24 837.01 1.42 93.79 1206.72 136.08 4534.31 38.48 138.83 4009.44 1189.23 -913.59 875.59 0.38 94.14 1265.42 136.22 [~ EPOCH 60 ') UNOCAL8 A-15RD MD Incl Azim TVD VSec NS EW DLS Course Closure CIAzim (ft) (O) (O) (ft) (ft) (ft) (ft) (° /1 OOft) (ft) (ft) (O) 4627.29 38.05 138.97 4082.45 1244.21 -956.98 913.44 0.47 92.98 1322.94 136.33 4720.44 37.11 140.26 4156.27 1298.65 -1000.24 950.25 1.32 93.15 1379.66 136.4 7 4813.24 36.14 140.83 4230.75 1351.96 -1042.99 985.43 1.11 92.80 1434.89 136.63 4908.03 37.07 142.01 4306.84 1406.61 -1087.18 1020.67 1.23 94.79 1491.22 136.81 5001.05 37.15 143.80 4381.02 1461.22 -1131.94 1054.52 1.16 93.02 1547.03 137.03 5094.97 37.03 144.19 4455.94 1516.58 -1177.76 1087.82 0.28 93.92 1603.26 137.27 5187.28 36.32 143.86 4529.98 1570.48 -1222.38 1120.20 0.80 92.31 1658.03 137.50 5285.72 36.44 143.11 4609.23 1627.43 -1269.30 1154.95 0.47 98.44 1716.11 137.70 5380.23 36.82 141.50 4685.08 1682.17 -1313.92 1189.43 1.09 94.51 1772.32 137.85 5441.26 37.06 141.40 4733.86 1717.64 -1342.60 1212.28 0.41 61.03 1808.92 137.92 5536.51 39.30 139.97 4808.73 1774.36 -1388.14 1249.60 2.53 95.25 1867.73 138.01 5630.32 40.42 139.47 4880.74 1832.01 -1434.00 1288.47 1.24 93.81 1927.83 138.06 5722.81 40.53 139.65 4951.09 1889.53 -1479.69 1327.41 0.17 92.49 1987.84 138.11 5813.81 41.14 139.93 5019.94 1946.61 -1525.14 1365.83 0.70 91.00 2047.32 138.15 5907.43 41.44 140.32 5090.29 2005.97 -1572.55 1405.43 0.42 93.62 2109.06 138.21 5999.98 42.08 140.20 5159.32 2065.24 -1619.94 1444.84 0.70 92.55 2170.66 138.27 6094.50 41.49 141.32 5229.80 2125.95 -1668.72 1484.68 1.01 94.52 2233.58 138.34 6187.91 41.53 142.38 5299.75 2185.92 -1717.40 1522.92 0.75 93.41 2295.38 138.43 6282.53 41.43 144.12 5370.64 2246.99 -1767.61 1560.42 1.22 94.62 2357.83 138.56 6376.55 40.48 145.39 5441.65 2307.39 -1817.94 1595.98 1.34 94.02 2419.10 138.72 6468.41 40.20 147.05 5511.67 2365.95 -1867.36 1629.04 1.21 91.86 2478.07 138.90 6560.99 39.67 147.96 5582.66 2424.69 -1917.48 1660.97 0.85 92.58 2536.84 139.10 6656.10 38.84 148.69 5656.30 2484.31 -1968.69 1692.58 1.00 95.11 2596.26 139.31 6749.79 38.71 148.64 5729.35 2542.48 -2018.81 1723.09 0.14 93.69 2654.17 139.52 6844.16 39.11 148.23 5802.78 2601.20 -2069.31 1754.12 0.50 94.37 2712.75 139.71 6938.88 38.44 149.77 5876.62 2660.05 -2120.15 1784.67 1.24 94.72 2771.30 139.91 7032.90 37.65 152.33 5950.67 2717.75 -2170.84 1812.72 1.88 94.02 2828.17 140.14 7128.34 37.49 153.90 6026.32 2775.85 -2222.74 1839.04 1.02 95.44 2884.90 140.40 7223.77 37.45 157.18 6102.07 2833.89 -2275.57 1863.07 2.09 95.43 2940.96 140.69 7322.89 37.32 159.83 6180.83 2894.01 -2331.55 1885.12 1.63 99.12 2998.30 141.04 7411.14 36.93 160.88 6251.20 2947.13 -2381.71 1903.03 0.84 88.25 3048.62 141.37 7603.74 35.45 163.05 6406.64 3060.26 -2489.82 1938.27 1.02 192.60 3155.33 142.10 7697.52 36.43 162.97 6482.56 3114.92 -2542.46 1954.35 1.05 93.78 3206.80 142.45 7789.67 36.47 161.07 6556.69 3169.38 -2594.53 1971.25 1.23 92.15 3258.44 142.77 7883.50 36.68 161.15 6632.04 3225.08 -2647.43 1989.35 0.23 93.83 3311.55 143.08 7979.4 7 37.15 156.30 6708.79 3282.63 -2701.10 2010.26 3.07 95.97 3367.06 143.34 8164.04 39.39 158.00 6853.69 3396.91 -2806.45 2054.61 1.34 184.57 3478.16 143.79 8259.68 39.84 157.85 6927.37 3457.87 -2862.96 2077.53 0.48 95.64 3537.32 144.03 8356.51 39.71 157.49 7001.79 3519.80 -2920.26 2101.07 0.27 96.83 3597.56 144.27 8450.88 40.41 157.49 7074.01 3580.52 -2976.37 2124.32 0.74 94.37 3656.71 144.48 [~ EPOCH 61 ) UNOCAL8 A-15RD MD Inel Azim TVD VSee . NS EW DLS Course Closure CIAzim (ft) (°) (°) (ft) (ft) (ft) (ft) (°/1 OOft) (ft) (ft) r) 8544.62 40.12 156.73 7145.54 3641.10 -3032. 19 2147.88 0.61 93.74 3715.85 144.69 8639.32 38.25 156.71 7218.94 3700.92 -3087.15 2171.53 1.97 94.70 3774.39 144.88 8734.63 37.78 155.90 7294.03 3759.62 -3140.90 2195.12 0.72 95.31 3831.94 145.05 8826.35 36.46 159.18 7367.17 3814.94 -3192.02 2216.28 2.59 91.72 3885.99 145.23 8919.70 35.77 161.33 7442.59 3869.82 -3243.80 2234.87 1.55 93.35 3939.15 145.43 9013.80 35.99 162.02 7518.83 3924.71 -3296.15 2252.21 0.49 94.10 3992.12 145.66 9105.16 36.11 161.39 7592.70 3978.23 -3347.20 2269.09 0.43 91.36 4043.82 145.87 9203.33 35.80 161.91 7672.16 4035.61 -3401.91 2287.23 0.44 98.17 4099.32 146.09 9296.38 34.98 162.07 7748.02 4089.22 -3453. 15 2303.90 0.89 93.05 4151.17 146.29 9389.49 35.57 161.96 7824.04 4142.72 -3504.30 2320.50 0.64 93.11 4202.95 146.49 9482.15 37.63 161.25 7898.42 4197.72 -3556.72 2337.94 2.27 92.66 4256.31 146.68 9573.30 37.34 160.79 7970.75 4252.99 -3609.17 2355.98 0.44 91.15 4310.07 146.86 9667.44 37.35 160.52 8045.59 4309.92 -3663.05 2374.90 0.17 94.14 4365.56 147.04 9761.68 36.41 160.88 8120.97 4366.30 -3716.43 2393.59 1.02 94.24 4420.53 147.22 9855.69 35.97 160.78 8196.84 4421.63 -3768.86 2411.82 0.47 94.01 4474.50 147.38 9954.14 36.12 160.05 8276.45 4479.40 -3823.44 2431.24 0.46 98.45 4530.96 147.55 10049.39 35.73 160.17 8353.58 4535.16 -3875.99 2450.25 0.42 95.25 4585.52 147.70 10143.55 34.14 160.26 8430.77 4588.95 -3926.72 2468.50 1.69 94.16 4638. 17 147.84 10234.92 32.82 160.78 8506.98 4639.21 -3974.24 2485.31 1.48 91.37 4687.36 147.98 10329.90 34.31 161.90 8586.12 4691.50 -4023.99 2502.10 1.70 94.98 4738.46 148.13 10425.06 36.36 162.44 8663.74 4746.24 -4076.38 2518.95 2.18 95.16 4791.87 148.29 10519.96 37.30 161.95 8739.70 4802.81 -4130.54 2536.35 1.04 94.90 4847.11 148.45 10613.41 38.23 158.89 8813.58 4859.87 -4184.45 2555.54 2.24 93.45 4903.10 148.59 10707.29 37.85 158.07 8887.52 4917.68 -4238.26 2576.75 0.67 93.88 4960.09 148.70 10803.43 37.72 157.25 8963.50 4976.56 -4292.75 2599.14 0.54 96.14 5018.29 148.81 10897.51 37.59 156.78 9037.99 5034.03 -4345.66 2621.59 0.34 94.08 5075.18 148.90 10991.89 39.85 159.40 9111.62 5093.02 -4400.43 2643.58 2.96 94.38 5133.44 149.00 11088.97 39.94 160.30 9186.10 5155.15 -4458.88 2665.03 0.60 97.08 5194.61 149.13 11180.49 43.51 161.57 9254.40 5215.84 -4516.45 2684.90 4.01 91.52 5254.23 149.27 11276.85 43.23 161.86 9324.45 5281.71 -4579.27 2705.66 0.36 96.36 5318.87 149.42 11369.26 43.06 161.71 9391.87 5344.60 -4639.30 2725.41 0.21 92.41 5380.61 149.57 11465.16 44.51 163.91 9461.11 5410.51 -4702.69 2745.00 2.19 95.90 5445.21 149.73 11549.33 49.58 167.41 9518.46 5471.22 -4762.36 2760.18 6.75 84.17 5504.42 149.90 11642.74 56.20 168.01 9574.78 5544.17 -4835.11 2776.01 7.11 93.41 5575.34 150.14 11732.38 63.65 168.52 9619.67 5619.97 -4911.00 2791.76 8.33 89.64 5649.06 150.38 11823.43 70.18 171.67 9655.36 5701.21 -4993.47 2806.10 7.85 91.05 5727.91 150.67 11919.41 72.39 172.64 9686.16 5788.61 -5083.52 2818.51 2.49 95.98 5812.58 150.99 12016.79 72.81 177.15 9715.29 5876.60 -5176.04 2826.77 4.44 97.38 5897.63 151.36 12108.14 73.34 176.94 9741.88 5958.27 -5263.32 2831.27 0.62 91.35 5976.51 151.72 12205.15 73.55 177.32 9769.53 6045.13 -5356.19 2835.93 0.43 97.01 6060.63 152.10 ~ EPOCH 62 ') ) UNOCAL8 A-15RD MD Incl Azim TVD VSec NS EW DLS Course Closure CI Azim (ft) (°) (°) (ft) (ft) (ft) (ft) (0/100ft) (ft) (ft) (°) 12235.27 73.64 177.28 9778.03 6072.08 -5385.05 2837.29 0.32 30.12 6086.79 152.22 12330.10 74.17 177.50 9804.32 6157.03 -5476.07 2841.44 0.60 94.83 6169.37 152.58 12371.48 74.71 177.35 9815.42 6194.19 -5515.89 2843.23 1.35 41.38 6205.57 152.73 PROJECTED SURVEY TO TOTAL DEPTH @ 12428' 12428.00 I 74.711 177.35[ 9830.331 6245.041 -5570.351 2845.751 0.001 56.521 6255.171 152.94 BEGIN SURVEY DATA FOR A15RDST1 AFTER PLUGBACK A15RD 10425.06 36.36 162.44 8663.70 3380.43 -4076.36 2518.97 2.18 95.16 4791.86 148.29 10552.94 39.07 172.53 8764.95 3450.66 -4152.54 2535.66 5.27 127.88 4865.51 148.59 10648.27 43.08 172.50 8836.80 3509.17 -4214.63 2543.82 4.21 95.33 4922.82 148.89 10742.81 43.45 173.26 8905.65 3569.84 -4278.93 2551.85 0.68 94.54 4982.08 149.19 10835.97 44.77 174.82 8972.54 3631.01 -4343.42 2558.57 1.83 93.16 5040.99 149.50 10931.80 46.52 176.63 9039.53 3696.28 -4411.74 2563.66 2.27 95.83 5102.53 149.84 11024.72 47.34 177.30 9102.98 3761.38 -4479.52 2567.25 1.03 92.92 5163.03 150.18 11117.76 47.76 177.07 9165.78 3827.30 -4548.09 2570.62 0.49 93.04 5224.29 150.52 11189.83 47.93 177.35 9214.15 3878.60 -4601.46 2573.22 0.37 72.07 5272.09 150.79 11281.24 47.92 178.10 9275.41 3943.92 -4669.25 2575.92 0.61 91.41 5332.66 151.12 11375.27 48.92 177. 79 9337.81 4011.71 -4739.54 2578.44 1.09 94.03 5395.52 151.45 11467.94 48.17 178.31 9399.16 4078.67 -4808.96 2580.81 0.91 92.67 5457.71 151.78 11561.70 48.79 180.68 9461.32 4146.80 -4879.14 2581.42 2.00 93.76 5519.94 152.12 11658.20 53.86 183.05 9521.60 4220.59 -4954.41 2578.91 5.59 96.50 5585.42 152.50 11751.73 58.48 186.05 9573.67 4297.33 -5031.82 2572.70 5.61 93.53 5651.37 152.92 11855.65 63.26 189.89 9624.26 4387.65 -5121.65 2560.05 5.62 103.92 5725.84 153.44 11949.64 67.37 191.55 9663.50 4472.94 -5205.54 2544.15 4.66 93.99 5793.99 153.95 12045.12 70.35 193.11 9697.94 4561.96 -5292.52 2525.12 3.47 95.48 5864.05 154.49 12136.09 75.24 197.03 9724.85 4648.78 -5376.38 2502.50 6.77 90.97 5930.26 155.04 12232.70 75.39 194.74 9749.34 4742.14 -5466.26 2476.92 2.30 96.61 6001.26 155.62 12325.84 75.62 195.20 9772.65 4832.28 -5553.37 2453.63 0.54 93.14 6071.26 156.16 12386.20 76.00 194.83 9787.45 4890.78 -5609.89 2438.4 7 0.87 60.36 6116.95 156.51 12430.25 79.07 194.57 9796.96 4933.77 -5651.49 2427.56 6.99 44.05 6150.81 156.75 12464.13 82.92 194.85 9802.26 4967.22 -5683.85 2419.06 11.39 33.88 6177.22 156.95 12497.28 87.35 194.46 9805.07 5000.23 -5715.80 2410.71 13.41 33.15 6203.38 157.13 12514.24 90.00 194.15 9805.46 5017.19 -5732.23 2406.52 15.73 16.96 6216.89 157.23 12521.04 91.06 194.22 9805.40 5023.99 -5738.82 2404.85 15.62 6.80 6222.33 157.26 12530.92 91.95 194.05 9805.14 5033.86 -5748.40 2402.44 9.17 9.88 6230.23 157.32 12566.90 91.78 193.92 9803.97 5069.82 -5783.29 2393.75 0.59 35.98 6259.11 157.51 12638.56 92.26 193.94 9801.44 5141.43 -5852.80 2376.51 0.67 71.66 6316.89 157.90 12735.73 92.64 194.17 9797.29 5238.51 -5946.98 2352.93 0.46 97.17 6395.53 158.41 12825.79 92.37 194.49 9793.35 5328.47 -6034.15 2330.66 0.46 90.06 6468.61 158.88 12920.07 93.77 193.59 9788.30 5422.61 -6125.48 2307.83 1.76 94.28 6545.80 159.36 13000.21 93.05 194.71 9783.53 5502.60 -6203.05 2288.27 1.66 80.14 6611.66 159.75 13100.49 95.25 196.37 9776.28 5602.53 -6299.40 2261.48 2.75 100.28 6693.04 160.25 [~ EPOCH 63 ) UNOCAL8 A-15RD ) MD Inel Azim TVD VSee NS EW DLS Course Closure CI Azim (ft) (°) (°) (ft) (ft) (ft) (ft) (° /1 OOft) (ft) (ft) (°) 13193.79 91.37 195.02 9770.89 5695.59 -6389.05 2236.29 4.40 93.30 6769.12 160.71 13287.27 92.02 195.62 9768.13 5788.97 -6479.17 2211.60 0.95 93.48 6846.23 161.15 13346.12 93.02 196.31 9765.54 5847.71 -6535.70 2195.43 2.06 58.85 6894.58 161.43 13380.28 90.99 198.77 9764.34 5881.75 -6568.24 2185.14 9.33 34.16 6922.19 161.60 13473.87 88.49 204.25 9764.77 5974.37 -6655.27 2150.84 6.44 93.59 6994.20 162.09 13564.371 80.291 210.981 9773.621 6061.571 -6734.981 2109.191 11.691 90.501 7057.531 162.29 PROJECTED SURVEY TO TOTAL DEPTH @ 12620' 13620.00 I 80.291 210.98! 9783.001 6113.851 -6781.991 2080.961 0.001 55.631 7094.071 162.37 BEGIN SURVEY DATA FOR A 15RDST1 L 1 12663.16 92.26 197.05 9800.47 4305.70 -5876.49 2369.95 12.63 24.60 6336.38 158.04 12718.78 90.78 197.32 9798.99 4360.75 -5929.60 2353.52 2.70 55.62 6379.60 158.35 12751.46 87.90 198.29 9799.37 4393.15 -5960.71 2343.53 9.30 32.68 6404.86 158.53 12823.35 87.22 199.80 9802.43 4464.55 -6028.60 2320.09 2.30 71.89 6459.64 158.94 12845.73 88.80 199.90 9803.21 4486.82 -6049.64 2312.50 7.07 22.38 6476.56 159.07 12938.85 89.21 201.06 9804.83 4579.60 -6136.86 2279.92 1.32 93.12 6546.69 159.61 13023.39 90.24 201.09 9805.23 4663.92 -6215.74 2249.52 1.22 84.54 6610.28 160.35 13035.33 90.24 201.18 9805.18 4675.83 -6226.88 2245.22 0.75 11.94 6619.29 160.17 13128.67 90.82 203.68 9804.32 4769.05 -6313.15 2209.61 2.75 93.34 6688.66 160.71 13220.15 92.99 202.96 9801.28 4860.42 -6397.10 2173.42 2.50 91 .48 6756.23 161.23 13314.49 89.07 203.78 9799.58 4954.64 -6483.64 2136.01 4.25 94.34 6826.46 161.77 13366.87 92.46 202.83 9798.84 5006.97 -6531.73 2115.30 6.72 52.38 6865.71 161.06 13035.33 90.24 13128.67 90.82 13314.49 89.07 13404.92 95.04 13581.48 90.68 13700.42 90.76 13885.91 89.52 13974.85 91.58 14049.30 86.40 14139.07 86.23 14176.49 88.60 14224.28 86.06 14241.82 86.22 14332.18 86.26 14426.61 92.75 14520.56 88.59 14613.87 89.57 14708.71 86.89 14807.23 88.87 14899.77 92.57 14994.57 92.99 15042.00 92.99 BEGIN SURVEY DATA FOR A15RDST1L1A 201.18 9805.18 4675.83 -6226.88 2245.22 0.75 11.94 6619.29 203.68 9804.32 4769.05 -6313.15 2209.61 2.75 93.34 6688.66 203.78 9799.58 4954.67 -6483.67 2136.01 4.25 94.34 6826.46 205.23 9796.39 5044.97 -6566.44 2099.83 9.25 38.05 6894.01 210.23 9782.00 5220.69 -6722.85 2019.51 7.16 95.14 7019.62 218.82 9781.70 5338.07 -6821.19 1952.84 7.23 87.13 7095.23 227.40 9780.25 5512.80 -6952.97 1822.60 1.84 92.40 7187.89 227.80 9779.40 5595.04 -7012.94 1756.93 2.36 88.94 7229.67 227.21 9780.08 5663.76 -7062.88 1701.69 7.00 74.45 7265.19 227.60 9786.44 5746.82 -7123.80 1636.12 0.47 89.77 7309.27 227.99 9788.13 5781.34 7148.91 1608.43 6.42 37.42 7327.62 227.82 9790.36 5825.38 -7180.91 1573.01 5.33 47.79 7351.18 228.45 9791.54 5841.50 -7192.59 1559.98 3.70 17.54 7359.81 228.45 9797.46 5924.36 -7252.39 1492.50 0.04 90.36 7404.38 227.70 9798.28 6011.34 -7315.45 1422.28 6.92 94.43 7452.43 226.97 9797.18 6098.36 -7379.10 1353.22 4.50 93.95 7502.16 227.36 9798.68 6184.90 -7442.54 1284.80 1.13 93.31 7552.62 228.61 9801.61 6272.31 -7505.98 1214.38 3.12 94.84 7603.58 228.58 9805.25 6362.68 -7571.09 1140.54 2.01 98.52 7656.51 228.23 9804.09 6447.73 -7632.51 1071.35 4.02 92.57 7707.33 227.40 9799.49 6535.16 -7696.09 1001.19 0.98 92.99 7760.94 227.40 9797.02 6579.02 -7728.15 966.32 0 92.99 7788.33 [j EPOCH 160.17 160.71 161.77 162.27 163.28 164.02 165.31 165.94 166.45 167.07 167.32 167.64 167.76 168.37 169.00 169.61 170.21 170.81 171.43 172.01 172.59 172.87 64 UNOCALe A-15RD MUD SUMMARY DEPTHI ASPH- DATE TVD WT VIS PV YP GELS API FiI CK SOL Oil/Wtr SD MBT pH Pm Pf/Mf CI Ca SOL 12/03/01 1073/ 10.0 45 9 18 8/9/11 9.6 1/ 7.5 .01/92.49 9.0 0.3 .05/0.8 14500 800 12/04/01 1073/ 10.1 48 8 20 3/5/8 9.6 1/ 7.5 01/92.49 8.5 0.4 0/1.0 15500 800 12/05/01 1073/ 10.1 46 9 22 6/8/9 10.2 1/ 7.5 0/92.5 9.0 0.7 0.1/1.1 15000 800 12/06/01 1 083/ 10.0 37 9 22 6/8/9 10.6 1/ 8 0.2/91.8 TR TR 11.0 0.7 0.1/1.1 15000 800 12/07/01 1394/ 10.2 37 11 16 5/7/8 10.4 2/ 11 1/88 1.5 TR 10.0 0.5 0.1/1.1 15000 800 4 .",-.,. 12/08/01 1850/1787 10.2 43 11 26 2/32/40 10.5 3/ 12 2/86 1.0 TR 9.0 1.2 .05/2.0 15000 1000 3 c' 12/09/01 1850/1787 10.0 58 9 38 25/26/26 8.6 1/ 7 0/93 0 0 11.0 1.3 0.5/3.5 13000 1000 0 12/10/01 2100/2070 10.1 45 9 24 9/13/14 8.5 1 9 2/89 0 7.5 8.5 0.4 0.2/1.0 14000 1200 0 12/11/01 3035/2770 10.05 46 10 29 11/15/17 9.5 1 11 2/87 .75 10 9 0.7 0.2/1.2 42000 1400 3.1 12/12/01 3600/3279 10.0 50 11 22 12/17/21 9.0 1 11 2/87 1.25 12.3 8.5 0.8 0.2/1.1 37000 1400 4.1 12/13/01 3942/ 10.25 88 14 36 21/33/36 12 2 12 3.5/84.5 1.0 16 9 0.9 0.4/1.2 58000 1600 4.2 12/14/01 4441/3905 10.05 59 14 25 10/19/26 10 1.5 12 3/85 0.75 13 9 0.6 0.3/0.9 54000 1400 3.9 12/15/01 4420/3920 10.1 59 19 27 1 0/29/24 11 1.5 11 3/86 0.75 12 9 0.4 0.3/1.1 47000 1400 3.9 12/16/01 5145/4499 10.1 56 14 30 12/26/33 9.5 1.5 11 2.5/86.5 0.50 13 9 0.6 0.4/1.2 60000 1800 4.6 12/17/01 5447/4738 10.1 65 16 26 13/23/29 9.0 1.5 12 2/86 0.5 15 9 0.6 0.1/0.6 57000 1600 4.1 12/18/01 6132/5257 10.05 56 13 30 12/24/28 9.6 1.25 12 1.25/86.75 0.5 12 8.5 0.1 .05/1.2 38500 720 4.5 12/19/01 6739 10.15 56 13 37 20/34/38 10.2 2 13 1/86 0.25 13.5 9.2 0.25 0.15/1.8 60000 320 5 12/20/01 7034/5951 10.15 63 14 36 22/36/38 10 2 12 1/87 0.5 16 9.2 0.2 0.1/1.7 64500 680 5 .~ 12/21/01 7034/5951 10.0 63 12 35 25/37/39 10.2 2 10 .75/89.25 TR 16 9.3 0.2 0.1/1.75 62500 560 12/22/01 7034/5951 10.05 61 13 32 22/35/37 9.8 2 12 .75/87.25 0.5 16 9.5 0.25 0.15/2.1 54000 520 5 12/23/01 7089/5994 10.1 55 13 36 17/31/32 10.0 1 11 1 .0/88 0.25 13 9.6 0.2 0.1/2.2 64000 680 5 12/24/01 7487/6312 10.05 47 12 31 15/27/28 10.0 2 11 .75/88.25 0.5 12.5 9.6 0.25 0.15/1.8 53500 640 5 12/25/01 7678/6580 10.4 51 13 38 18/30/33 12 2 13 1/86 0.5 13 9.0 0.25 0.1/1.0 53000 600 4 12/26/01 7910/6579 1 0.45 52 16 37 21/33/36 12 2 13 1.5/85.5 0.4 20 9.0 0.25 0.1/0.7 53000 1200 4.5 12/27/01 791 0/6579 10.4 52 14 31 17/29/34 12 1.5 12 1/87 0 14 8.5 0.25 0.6/0.25 47000 1000 4.0 12/28/01 7010/6579 9.35 52 13 26 10/16/23 10 1 11 1.5/87.5 0 12 8.5 0.20 0.1/0.5 51000 800 4.0 12/29/01 7910/6579 10.4 65 15 35 11/19/27 10 1 11 2/87 TR 14 9.0 0.23 0.15/0.9 48000 1000 4.2 [~ EPOCH 65 UNOCAL8 A-15RD DEPTHI ASPH- DATE TVD WT VIS PV YP GELS API FiI CK SOL OillWtr SD MBT pH Pm Pf/Mf CI Ca SOL 12/30/01 7910/6579 10.4 66 15 37 16/29/33 10.4 1.5 12 2/86 TR 16 9.0 0.25 0.15/0.9 46000 1000 12/31/01 7910/6579 10.4 65 14 32 11/21/27 10.5 1.5 11 1.5/87.5 0.6 13 9.0 0.25 0.1/0.7 51000 1000 01/01/02 8218/6841 10.4 53 15 33 19/32/33 11.8 2 11 1/88 0.5 12.5 9.2 0.2 0.1/1.5 49500 1100 5 01/02/02 8465/7078 10.45 52 14 35 22/34/35 10.6 1.5 11.5 1.0/87.5 0.5 13.5 9.4 0.2 0.1/1.8 49000 820 5 01/03/02 8465/7078 10.45 61 14 37 20/32/33 10.2 1 13 1/86 0.5 11.0 8.9 0.1 0.05/1.6 62500 960 5 01/04/02 8465/7078 10.4 67 16 39 20/31/32 9.6 2 13.0 0.75/86.25 0.5 12.0 8.8 0.1 0.05/1.6 54500 900 5 Epoch on Standby for Mud Reports 1/5-1/12: Convert over to Oil Base 1/13 after 9 5/8" Casing ,-., DEPTHI HTHP Emul DATE TVD WT VIS PV YP GELS FiI CK SOL C.SOL OIL WTR Oil I Water Pom CI Salt Lime Stab. 01/13/02 8475/ 9.4 96 18 20 18/28/31 8 9 76 16 83/17 20000 1 01/14/02 8767/ 9.4 93 21 17 13/23/29 6 NC/2 8 9 76 16 83/1 7 0.9 23000 18.36 1.17 1700 01/15/02 9138/ 9.4 92 20 17 24/31/34 6 NC/2 9 8.08 78 13 86/14 2.0 24000 22.42 2.6 2000 01/16/02 9179/7326 9.4 121 20 18 24/31/34 6.2 /2 9 8.05 78 13 86/14 2.0 24500 22.78 2.6 1980 01/17/02 9179/7326 9.4 121 20 18 24/31/34 6.2 /2 9 8.05 78 13 86/14 2.0 24500 22.78 2.6 1980 01/18/02 10210/8486 9.4 102 24 20 28/33/39 3.6 NC/2 8 6.72 78 14 85/15 1.15 32000 26.35 1.5 1987 01/19/02 10537/8755 9.45 123 24 18 28/37/41 3.0 NC/2 8.5 7.34 77.5 14 85/15 1.3 29500 24.80 1.69 1938 01/20/02 10576/8784 9.45 143 24 18 28/39/41 3.0 NC/2 8.5 7.34 77.5 14 85/15 1.25 29500 24.80 1.63 1923 01/21/02 10994/9123 9.4 101 24 17 26/32/37 5.0 NC/2 8.0 6.72 78 14 85/15 1.15 32000 26.35 1.5 2047 01/22/02 11357/9382 9.4 103 23 18 24/35/36 6.0 NC/2 8.5 8.5 77.5 14 85/15 1.55 32000 25.73 2.02 1900 01/231/02 11519/9498 9.45 106 24 18 24/31/36 5.8 NC/2 9.5 8.55 76.5 14 85/15 1.3 30000 25.11 1.69 1765 01/24/02 11756 9.4 103 22 19 24/35/36 5.6 NC/2 8.5 8.5 77 14.5 84/16 1.4 32000 25.67 1.82 1575 .-.., 01/25/02 12071/9725 9.4 104 24 19 24/35/37 5.2 NC/2 8.0 8.0 77 15 84/16 1.4 34000 26.18 1.82 1854 01/26/02 12335/9805 9.4 104 24 19 23/39/40 5.1 NC/2 8.0 8.0 79 13 86/14 1.4 34000 29.04 1.82 1800 01/27/02 12428/9830 9.4 101 25 17 19/32/34 5.1 NC/2 8.5 8.5 80.5 11 88/12 1.2 35000 33.24 1.56 1780 01/28/02 12428/9830 9.4 119 24 17 20/32/35 5.1 NC/2 8.0 8.0 80 12 87/13 1.3 35000 31.34 1.69 1495 01/29/02 12428/9830 9.45 135 24 21 22/35/37 5.2 NC/2 8.0 6.61 80 12 87/13 1.15 33500 30.4 1.5 1402 01/30/02 12428/9830 9.4 126 25 17 24/34/37 5.2 NC/2 8.0 6.61 80 12 87/13 1.1 33500 30.4 1.43 1426 01/31/02 12428/9830 9.4 144 26 15 24/35/38 5.2 NC/2 8.0 9.61 80 12 87/13 1.1 33500 30.4 1.43 1438 [~ EPOCH 66 UNOCALfj A-15RD DEPTHI HTHP C.SO Oil I Emul DATE TVD WT VIS PV YP GELS FiI CK SOL L OIL WTR Water Porn CI Salt Lime Stab. 021/01/0 1242819830 9.4 134 25 18 24/34/38 5.2 NC/2 8.0 6.61 80 12 87/13 1.05 33500 30.4 1.37 1437 2 BEGIN DATA FOR A15RDST1 02/02/02 12428/9830 9.4 191 25 22 28/36/40 5.4 NC/2 7.0 5.82 79 14 85/15 1.0 30000 25.11 1.3 1539 02/03/02 12426/9830 9.45 223 26 22 29/35/37 4.8 NC/2 8.5 7.45 77.5 14 85/15 1.0 27000 23.18 1.3 1764 02/04/02 10464/8695 9.4 114 22 18 25/34/37 3.8 NC/2 9.0 8.02 77 14 85/15 1.15 25500 22.18 1.5 1469 02/05/02 10859/8900 9.4 100 25 20 23/37/36 4.6 NC/2 8.0 8.0 77 15 84/16 1.5 40000 29.44 1.95 1429 ~ 02/06/02 11050/9120 9.4 111 27 19 22/35/41 5.0 NC/2 8.0 8.0 77 15 84/16 1.4 38000 28.39 1.82 1550 02/07/02 11205/9200 9.4 123 25 18 24/35/36 4.6 NC/2 9.0 9.0 76 15 84/16 1.25 33000 25.61 1.63 1545 02/08/02 11335/9312 9.4 121 26 19 22/37/40 4.8 NC/2 9.5 9.0 76 15 84/16 1.3 34000 26.18 1.69 1500 02/09/02 11676/9537 9.4 107 24 21 21/37/42 4.4 NC/2 9.0 9.0 77 14 85/15 1.5 34000 27.54 1.95 1550 02/10/02 11853/9590 9.4 115 27 20 24/41/42 4.6 NC/2 8.5 8.5 77.5 14 85/15 1.5 33000 26.95 1.95 1525 02/11/02 12011/9687 9.4 116 27 19 21/36/39 4.6 NC/2 8.0 8.0 78 14 85/15 2.0 33000 26.95 2.6 1610 02/12/02 12271/9759 9.4 108 25 19 24/33/36 4.2 NC/2 9.5 8.39 77.5 13 86/14 1.15 28000 25.21 1.5 1673 02/13/02 12382/9787 9.35 116 25 19 24/34/37 4.0 NC/2 10.0 8.92 77 13 86/14 1.25 27500 24.87 1.63 1731 02/14/02 12382/9787 9.45 141 24 22 25/35/38 4.0 NC/2 9.5 8.39 77.5 13 86/14 1.2 28000 25.21 1.56 1624 02/15/02 12382/9787 9.4 179 23 19 25/34/37 4.4 NC/2 9.0 7.92 78 13 86/14 1.2 27500 24.87 1.56 1648 02/16/02 12380/9786 9.35 162 24 19 24/33/36 4.4 NC/2 9.0 7.92 78 13 86/14 1.2 27500 24.87 1.56 1754 02/17/02 12380/9786 9.4 208 24 21 26/36/40 4.0 NC/2 9.0 7.82 77 14 85/15 1.25 30000 25.11 1.63 1689 02/18/02 12380/9786 9.4 208 24 21 26/36/40 4.0 NC/2 9.0 7.82 77 14 85/15 1.25 30000 25.11 1.63 1689 02/19/02 12375/9807 9.-0 141 24 18 19/36/38 3.8 NC/2 7.5 7.5 80.5 12 87/13 1.5 32000 29.44 1.95 1625 .~ 02/20/02 12622/9800 9.0 136 23 20 18/36/39 5.1 NC/2 8.0 8.0 80 12 87/13 1.2 31000 28.79 1.56 1971 02/21/02 12796/9793 9.0 138 24 17 21/34/40 4.6 NC/2 8.0 8.0 80 12 87/13 1.3 31000 28.79 1.69 1776 02/22/02 13055/9795 9.0 162 24 18 21/38/43 4.8 NC/2 7.5 8.0 80.5 12 87/13 1.5 31000 28.79 1.95 1850 02/23/02 13159/9769 9.0 136 25 18 19/37/41 4.6 NC/2 9.0 9.0 79 12 87/13 1.3 29000 27.44 1.69 1850 02/24/02 13355/9765 9.0 154 24 17 19/34/37 4.6 NC/2 8.0 8.0 80.5 11.5 88/12 1.2 28000 27.59 1.56 1880 02/25/02 13355/9765 9.1 159 23 17 20/37/44 4.6 NC/2 8.0 8.0 81 11 88/12 1.4 29000 29.21 1.82 1778 02/26/02 13515/9759 9.05 118 23 16 23/34/33 3.6 NC/2 8.0 7.11 80 12 87/13 1.3 23000 23.07 1.69 1973 02/27/02 13620/9781 9.0 110 22 16 21/39/42 3.8 NC/2 8.0 6.97 80 12 87/13 1.2 26000 25.32 1.56 1972 02/28/02 13620/9781 9.0 148 30 19 18/38/40 3.8 NC/2 8.0 6.97 80 12 87/13 1.15 26000 25.32 1.5 1943 BEGIN DATA FOR A 15RDST1 L 1 [~ EPOCH 67 UNOCAL8 A-15RD 03/01/02 12740/9797 9.0 119 24 18 28/31/39 3.6 NC/2 8.0 6.97 80 12 87/13 1.3 26000 25.32 1.69 1976 03/02/02 13063/9805 8.95 139 24 . 21 27/34/42 4.4 NC/2 8.0 6.77 78 14 85/15 1.2 31000 25.73 1.56 1989 03/03/02 13063/9805 8.95 175 25 18 27/34/42 4.4 NC/2 8.0 6.79 78 14 85/15 1.2 30500 25.43 1.56 1988 03/04/02 13281/9799 9.1 170 28 18 26/34/39 3.8 NC/2 8.0 6.75 78 14 85/15 1.2 31500 26.04 1.56 1946 03/05/02 13369/9795 9.1 169 28 19 20/37/45 4.6 NC/2 8.0 8.0 79 13 86/14 1.0 34000 29.04 1.30 1990 03/06/02 13505/9784 9.0 141 27 17 19/37/42 5.2 NC/2 8.0 7.98 78 14 86/14 1.2 32000 27.81 1.56 1995 03/07/02 13370/9779 9.0 151 27 16 20/38/47 6.8 NC/2.5 8.0 8.0 80 12 87/13 1.4 31000 28.79 1.82 2050 03/08/02 13730/9779 9.0 137 25 17 18/36/42 6.4 NC/2 8.0 8.0 80 12 87/13 1.4 31000 28.79 1.82 2050 03/09/02 13626/9771 9.0 134 27 18 20/37/45 8.8 NC/1.5 8.0 8.0 81 11 88/12 1.8 31000 30.61 2.34 2000 ,'-' 03/10/02 13660/9782 9.0 186 24 16 18/36/40 5.6 NC/2 8.0 8.0 80 12 87/13 1.8 30000 28.12 2.34 2050 03/11/02 13685/9781 9.1 181 23 16 19/36/42 4.4 NC/2 8.0 8.0 80 12 87/13 1.6 31000 28.79 2.08 1969 03/12/02 13992/9777 9.0 144 28 17 21/36/37 5.2 NC/2 8.0 6.86 81 11 88/12 1.3 28000 28.49 1.69 2047 03/13/02 14026/9777 9.1 152 28 17 22/37/38 5.0 NC/2 8.0 6.84 81 11 88/12 1.25 28500 28.85 1.63 2008 03/14/02 14221/9790 9.0 128 26 18 23/33/34 4.8 NC/2 8.0 4.93 78 16 83/17 1.1 28000 21.50 1.43 1832 03/15/02 13992/9777 9.0 144 28 17 21/36/37 5.2 NC/2 8.0 6.86 81 11 88/12 1.3 28000 28.49 1.69 20471 03/16/02 14526/9798 9.0 142 28 16 26/35/38 3.8 NC/2 9.0 7.99 77.5 13.5 85/15 1.15 26000 23.16 1.5 1978 03/17/02 14526/9798 9.0 225 26 20 27/37/42 6.8 NC/2 8.5 7.51 76.5 15 84/16 1.2 26000 21.34 1.56 1340 03/18/02 14838/9805 9.0 138 27 19 27/37/42 4.2 NC/2 8.5 7.47 76.5 15 84/16 1.15 27000 21.98 1.5 2014 03/19/02 14891/9805 9.05 169 28 17 23/39/43 4.8 NC/2 9.0 9.0 77.0 14 85/15 1.6 31000 25.73 2.08 1675 ~ U EPOCH 68 UNOCALO A-15RD BIT RECORD BIT SERIAL SIZE JETS DEPTH DEPTH FEET HOURS HOURS HOURS AVG AVG # # INCHES MAKE TYPE (in 32nds) IN OUT TOTAL TOTAL ON BTM OFF BTM FT/HR WOB 1 MJ5916 12.25 SMITH FGSH+C 3X15, 1X12 811' 3594' 2783 162.71 48.21 114.50 57.7 20-35 2 7000033 12.25 HUGHES HC607 (PDC) 7X12 3594' 4420' 826 57.37 35.27 22.10 23.4 2-10 3 LR2398 12.25 SMITH M05S0DGC 3X16, 1X12 4420' 5451' 1031 50.72 24.18 26.54 42.6 20-35 4 R80DX 12.25 SMITH MX-09DX 3X16, 1X14 5451 7034 1683 86.18 40.18 46.00 39.4 20-35 RR3 LR2398 12.25 SMITH M05S0DGC 3X16, 1X12 7034 7034 0 29.8 0 29.8 NA NA 5 LR2399 12.25 SMITH M05S0DGE 3X16, 1X14 7033 7910 877 96.97 37.70 59.27 23.3 30-40 ~<, 6 S82DR 12.25 HUGHES MX-09D 3X16, 1X14 7910 8464 554 131 .33 17.74 113.59 31.2 30 HO 46254 12.25 SMITH Hole opener 3x20, 1 x24 8464 8464 7 100673 8.5 HYCALOG DS75HGJNW 4X10,4X11 8464 9158 694 85.40 27.07 58.37 25.6 2-12 8 X97DP 8.5 HUGHES MX-R20DX2DTI 3x16 9158 10537 1379 80.08 48.53 31.55 28.4 22-30 9 X96DP 8.5 HUGHES MX-R20DX2DTI 3x16 10537 11519 982 90.33 48.4 7 41.86 20.3 20-28 10 X99DP 8.5 HUGHES MX-R20HDX2 3x16 11519 12428 909 112.42 59.78 52.64 15.2 20-30 11 X94DP 8.5 HUGHES MX-R20CDX2 3x16 12428 12428 0 24.50 0 24.50 NA NA 12 XOODR 8.5 HUGHES MX-R20CDX2 3x16 12428 12428 0 38.52 0 38.52 NA NA BEGIN DATA FOR A15RDST1 1 5013157 8.5 SECURITY FM2843 2X14, 1X16 10189 11206 1017 104.07 53.86 50.21 18.9 20-30 2 ER6083PD 8.5 SMITH MJ4654 3x16 11206 11853 647 68.50 44.61 23.89 14.5 20-30 3 MX-R20DX2DTI 8.5 HUGHES 6003504 3x16 11853 12382 529 68.25 40.49 27.76 13.1 20-30 4 XR20HDTGPD 6 SMITH MK1289 3x12 12382 12415 33 35.31 7.50 27.81 4.4 22-30 5 XR20HDTGPD 6 SMITH MK1298 3x12 12415 12468 53 23.7 7.91 15.79 6.7 22-30 ~ 6 STX-DS30DX 6 HUGHES P43JR 3x12 12468 12624 156 34.00 19.03 14.97 8.2 20-28 7 EP4970 6 HUGHES D37JN 3x12 12624 13055 431 43.66 25.40 18.26 17.0 20-30 8 XR20HDTGPD 6 SMITH MK1290 3x12 13055 13355 300 47.30 19.51 27.79 15.4 20-30 9 XR20HDTGPD 6 SMITH MK1293 3x12 13355 13620 265 83.40 27.42 55.98 9.7 20-30 BEGIN DATA FOR A15RDST1L 1 10 STX-20D 6 Hughes Hughes 3x12 12700 13063 363 74.75 30.71 44.04 11.8 20-30 11 XR20HDTGPD 6 SMITH MK1297 3x12 13063 13369 306 48.00 19.06 28.94 16.05 20-30 12 XR20HDTGPD 6 SMITH MK1296 3x12 13369 13730 361 52.55 26.02 26.53 13.98 20-30 13 STX-20HDX2 6 HUGHES 5007737 3x12 13406 13660 254 56.50 25.68 30.82 9.89 20-30 BULL NOSE 3 3/16 UNOCAL BN1 1x23 NA NA NA 24.00 0.00 24.00 NA N/a [~ EP0CH 69 ¡~ ,~, UNOCAL8 A-15RD 14 XR20HDTGPD 6 SMITH MK1294 3x12 13660 14021 361 49.56 25.00 19.56 26.44 20-30 15 XR20HDTGPD 6 SMITH MK1292 3x12 14021 14269 248 21.22 21.28 3.93 11 .43 20-30 16 STX-20DX2 6 HUGHES ZM64JG 3x12 14269 14588 289 30.19 22.50 7.69 12.84 22-27 17 STX20DX2 6 HUGHES M6SJG 3x12 14558 14838 280 30.09 22.54 7.55 12.42 20-25 18 XR20HTDGPD 6 SMITH MK1142 3X12 14838 15042 204 15.58 13.80 1.78 14.78 15-20 [:I EP0CH 70 Re: THE APPLICATION OF UNOCAL ) CORPORATION for an order ) granting an exception to spacing ) requirements of20 AAC 25.055(a)(3) to ) provide for the drilling of the Trading) Bay Field A-15RD development oil) well to a bottom hole location closer ) than 1,000' to a well capable of ) producing from the same pool. ) ) ) STATE OF ALASKA ALASKA OIL AND GAS CONSERV A TIØN COMMISSION 333 W. 7th Avenue, Suite 100 Anchorage Alaska 99501 Conservation Order No. 459 Unocal Corporation Trading Bay Field A-15RD November 15, 2001 IT APPEARING THAT: 1. Unocal Corporation (Unocal) has requested an exception to the well spacing provisions of 20 AAC 25.055(a)(3). The exception would allow drilling the Trading Bay Field A-15RD deviated oil well to an oil target closer than 1,000' to a well capable of producing from the same pool. 2. The Commission published notice of opportunity for public hearing in the Anchorage Daily News on September 28, 2001 pursuant to 20 AAC 25.540. 3. No protests to the application were received. FINDINGS: 1. The Trading Bay Field A-15RD oil well will be drilled as a directional hole from a surface location 1,616' from the south line (FSL), 574' from the east line (FEL) of Section 4, T9N, R13W, Seward Meridian (SM) to a bottomhole location of 300' FSL and 2,980' FEL of Section 10, T9N, R13W, SM. 2. An exception to the well spacing provisions of20 AAC 25.055 (a)(3) is necessary for the drilling of this well. 3. A program for logging the Trading Bay Field A-15RD oil well was not included with the permit to drill application. t ) Conservation Order No. 459 Page 2 ) November 15, 2001 CONCLUSIONS: Granting a spacing exception to allow drilling of the Trading Bay Field A -15RD oil well promotes efficient development and will not result in waste nor jeopardize correlative rights. NOW, THEREFORE, IT IS ORDERED: 1. Unocal's application for exception to the well spacing provisions of 20 AAC 25.055 (a)(3) for the purpose of drilling the Trading Bay Field A-15RD oil well is approved. 2. Because this portion of the Trading Bay Field is an important new oil production area, the Commission requests the operator acquire, at a minimum, L WD gamma ray data from the 13 3/8" casing shoe to the 7" casing shoe, and L WD gamma ray and resistivity data from the 7" casing shoe to the total depth of the well. If operating conditions permit, the Commission also requests Unocal acquire L WD neutron and density data from the 7" casing shoe to the total depth of the well. DONE at Anchorage, Alaska and dated November 15,2001. C~h~tr Alaska Oil and Gas Conservation Commission ~M~~ Julie M. Heusser, Commissioner Alaska Oil and Gas Conservation Commission AS 31.05.080 provides that within 20 days after receipt of written notice of the entry of an order, a person affected by it may file with the Commission an application for rehearing. A request for rehearing must be received by 4:30 PM on the 23rd day following the date of the order, or next working day if a holiday or weekend, to be timely filed. The Commission shall grant or refuse the application in whole or in part within 10 days. The Commission can refuse an application by not acting on it within the 10-day period. An affected person has 30 days from the date the Commission refuses the application or mails (or otherwise distributes) an order upon rehearing, both being the fmal order of the Commission, to appeal the decision to Superior Court. Where a request for rehearing is denied by nonaction of the Commission, the 30-day period for appeal to Superior Court runs from the date on which the request is deemed denied (i.e., 10th day after the application for rehearing was filed). ) Notice of Public Hearing STATE OF ALASKA Alaska Oil and Gas Conservation Commission Re: Trading Bay Field, Monopod Platform Application for Spacing Exception By letter dated September 28, 2001, Union Oil Company of California (Unocal), as Operator of the Trading Bay Field, for itself and Forest Oil corporation (Forest), hereby requests a Spacing Exception in conjunction with their Permit to Drill the Trading Bay Field Well A-15RD. A person may submit written comments regarding this application no later than 4:30 pm on October 30, 2001 to the Alaska Oil and Gas Conservation Commission at 333 West ih Avenue, Suite 100, Anchorage, Alaska 99501. In addition, the Commission has tentatively set a public hearing on October 30, 2001 at 1 :00 pm at the Alaska Oil and Gas Conservation Commission at 333 West 7th Avenue, Suite 100, Anchorage, Alaska 99501. A person may request that the tentatively scheduled hearing be held by filing a written request with the Commission no later than 4:30 pm on October 15,2001. If a request for a hearing is not timely filed, the Commission will consider the issuance of an order without a hearing. To learn if the Commission will hold the public hearing, please call 793-1221. If you are a person with a disability who may need a special modification in order to comment or to attend a public hearing, please contact Jody Colombie at 793-1221 before October 23, 2001. (d M.... ßk-W.: ~ (~~echsli Taylor Chair Published September 29,2001 ADN AO# 02214010 " \J Unocal Corporation P.O. Box 196247 Anchorage, AK 99501 Telephone (907) 263-7660 () : -aOJ~I~) RECEIVED . OCT 2 5 ínrn UNOCAL8 Alaska Oil & Gas Cons. Commission Anchorage Dan Williamson Drilling Manager 10/25/01 Alaska Oil and Gas Conservation Commission 333 West ¡th Avenue. Anchorage, Alaska 99501 Attn: Commissioner Julie Heusser Re: Proposed Annulus Di~posal of Drilling Waste from MÖnopod A-15RD( and A-29RD to Grayling G-22 Commissioner Heusser: On 8/1/01, Unocal requested permission to dispose of drilling waste from the Monopod platform at King Salmon annulli. However, the sheen observations starting on 9/12/01 at King Salmon caused the shut down of annulus disposal at the King Salmon platform and the upcoming Monopod drilling waste will not be disposed of at the King Salmon platform. Unocal now requests permission from the AOGCC to dispose of liquid-only waste from upcoming drilling on the Monopod platform in the G-22 annulus on the Grayling platform as per the attached Sundry Application (Form 10-403). The G~22annulus has previously been used for liquid drilling waste disposal in 1998 and 2000. A total of 7310 bbls was disposed in G-22 while drilling 3 wells. Solid drilling waste will not be transported to Grayling for a grind and inject operation. The solids from A-15RD and A-29RD will be transported and stored at the Bruce platform. After air quality permit issues are resolved, the cuttings will be ground and injected at the Bruce injection well. The recent problems with annulus disposal at King Salmon platform should not occur at Grayling G-22. The 13-3/8" shoe is much deeper at G-22 (5548' MD/4977' TVD for G-22 vs. 2591' MD/2302' TVD for K-19). The disposal pressures at G-22 will also be much higher at 1200-1400 psi compared to only 250 psi at K-19. The past history of 7310 bbls of oily waste disposed in G-22 was without incident. The oil-based mud drilling phase at A-15RD should commence about December 1, 2001 so your timely consideration for approval of this Sundry is appreciated. If there are any questions, please contact Dan Williamson at 263-7677 or Tim Billingsley at 263-7659. Sincerely, c\\-. N t\~\ { 11 'lh~\\1\ '*:JUJ .:V\j ~., ~ ~ \ Dan ~am on . Drilling Manager AOGCC letter Monopod Waste to Grayling.doc OR\G\NAL Tim Billingsley u ~11(p STATE OF ALASKA. C) ALASKA OIL AND'GAS CONSERVATION COMMISSION APPLICATION FOR SUNDRY APPROVALS 1. Type of Request: Abandon: - Suspend: - Alter casing: - Repair well: Change approved program: Pull tubing: 2. Name of Operator Union Oil Company of Califonia (UNOCAL) 3. Address P.O. Box 196247 Anchorage, Alaska 99519-6247 4. Location of well at surface Grayling Leg 3, Conductor No.1 1413' FEI, 1789' FSL, See 29, T9N, R13W, S.M. At top of productive interval 2091' FNL, 3361' FEL, See 32, T9N, R13W S.M. at 8881'TVD At effective depth 2553' FNL, 3761' FEL, See 32, T9N, R13W, S.M. at 9908' TVD At total depth 2579' FNL, 3791' FEL, See 32, T9N, R13W S.M. at 9984' TVD 12. Present well condition summary Total depth: measured true vertical 11335' feet 9984' feet Effective depth: measu red true vertical 10,980 feet 9,670' feet Casing Structural Conductor Surface Intermediate Production Liner Perforation depth: Length 360' 629' 5548' Size 26" 20' 13-3/8" 11335' 9-5/8" measured (See attachment) true vertical Tubing (size, grade, and measured depth) Operation shutdown: Plugging: - Variance: 5. Type of well: Development: - Exploratory: Stratigraphic: Service: X Re-enter suspended well: Time extension: Stimulate: Perforate: Other: Annular Injection 6. Datum elevation (DF or KB) RT 99' above MSL 7. Unit or Property name Trading Bay Unit feet 8. Well number Grayling G-22 9. Permit number 75-16 10. API number 50-133-20272-00 11. Field/Pool McArthur River Field Plugs (measured) PXN Plug in nipple Cemented Driven 1125 cu.ft. 5802 cu.ft. Measu red depth 360' 629' 5548' True vertical depth 360' 629' 4977' 1840 cu.ft. 1133RECEIVEI:J84' OCT 2 5 2001 Single 4-1/2" 12.61b/ft L-80 Butt at 9.978' Alaska Oil & Gas Cons. Commission Anchorage 13. Attachments Packers and SSSV (type and measured depth) Baker 3H Packer set at 9,898' Otis "BWH" Packer set at 10,980' Description summary of proposal: X Detailed operations program: BOP sketch: 14. Estimated date for commencing operation 12/1/01 16. If proposal well verbally approved: 15. Status of well classification as: Oil: Gas: Suspended: - Name of approver Date approved Service: Water Injector 17. I herebff\~ that tie for¡;¡goipg is true and correct to the best of my knowledge. Signed: ~ .i\Þt[ a.. IldVl/\ Title: Drilling Manager ~ V \ FOR COMMISSION USE ONLY Conditions of approval: Notify Commission so representative may witness . Approval No. 2rv 1 Plug integrity- BOP Test- Location clearance- '" ~l- ~ Mechanical Integrity Test- Subsequent form required 10- ~-~'.\-C"')\-c....1'-""~ \.0...., èJ~<> V~~~ \ .rn u.y oat) {J /:< 5' ItJ / . Approved by order of the Commissioner ORIGINAL SIGNED BY 0 Taylor Seamount Commissioner Date' 'i Oft:, /1\/ SUBMIT IN TRIPLICATE Form 10-403 Rev 06/15/88 n P 1 h \ t\1111 u r) Grayling G-22 Annulus Injection Details Re: Information Requested under Section 20 AAC25.080 1. Annulus for disposal: Grayling G-22 13-3/8" x 9-5/8" Casing Annulus The 13-3/8" casing was set in 1975 at 5,548' MD/4977' TVD. 2. The depth to the base of freshwater aquifers and permafrost. At 3,000 feet TVD, the formation waters start to exceed 6000 ppm chlorides. This is well above the 4,977' TVD of the 13 3/8" casing which is cemented to surface. There is a freshwater exemption for the Trading Bay platforms. There is no permafrost present in Cook Inlet. 3. A stratigraphic description of the interval exposed to the open annulus and other information sufficient to support a commission finding that the waste will be confined and will not come to surface. The 13-3/8" shoe is set at 4977' TVD. This corresponds to the approximate depth of Middle Tyonek formation. The waste is expected to be confined within this strata as this is a primary gas trap in the McArthur River Field with no evidence of surface breaching. 4. List of all publicly recorded wells within one-quarter mile radius and all publicly recorded water wells within one mile of the well that will be receiving the waste. The attached Property Plat shows the adjacent wells to Grayling G-22. The G-22 wellbore is an excellent annulus disposal candidate because it has a shallow kick-off point and is directionally drilledto the southwest, away from most of the other Grayling wells. The tick marks on the well paths are in 2000' increments of TVD. The wells that are within 1,4 mile of G-22's shoe depth of 4977' TVD on the plan view map are at considerably deeper depths. 5. Types and maximum volume of waste to be disposed of and the estimated density. Only liquid waste from Monopod drilling will be transported to the Grayling platform. The solid drill cuttings will be transported and stored at the Bruce platform where they will be ground and injected in the Bruce disposal well. The liquid waste sent to the Grayling platform will consist of appx 9.0 ppg oil base mud mixed with high concentrations of fresh wash water. (approximately 90/10 ratio of water/OBM). The density of the waste mud/fresh water will be approximately 8.8 ppg. The seawater will be injected ahead and behind the waste slurry injections. . The estimated volume to be disposed of is 3000 bbls OBMIW ater and 6000 bbls seawater. 6. Description of any waste sought to be determined as drilling waste under (h)(3) Section 20 AAC 25.080(3) Other substances that the commission determines upon application are wastes associated with the act of drilling a well permitted under 20AA C 25.005. None at this time. X:\TIMB\Grayling\G-22 ann disp\G-22 ann disp 403 Attachment.doc \.) () 7. Estimate of the maximum anticipated surface pressure at the outer casing shoe during disposal operations. The estimated pressure for injection was derived from the two LOT's performed prior to initial annulus injection in July 1998. The first leak off occurred at 1510 psi and the second LOT indicated a leak off at 1525 psi. In actual practice during the injection of wastes while drilling Grayling G-15RD, leak off occurred between 1200 and 1400 psi. The two leak off tests indicate a fracture gradient at the 13-3/8" shoe of approximately .745 psi/ft 8. Details that show that the shoe of the outer casing is set below the base of the permafrost, if present, and any freshwater aquifer is adequately cemented to provide zonal isolation, the information relied upon and submitted must include A) cementing records and B) a cement quality log or formation integrity records The lowest most point of fresh water aquifers as detailed in No.2 above is 3000' TVD. The 13-3/8" casing is set at 4,977' TVD which is below the lowest known freshwater aquifer. A) Cementing records: The 13-3/8" surface casing was cemented in two stages via a DV tool at 2733' . After cementing the first stage the DV collar was opened and 260 sx of excess cement was circulated from the well. The second stage entailed pumping 1470 sx (2822 cu.ft.) from the DV to the surface. As the annular volume was 2831 cu ft with 50% excess in open hole it is assumed that cement reached surface although there was no mention in the daily reports to substantiate or contradict that. (The Permit to Drill and the Drilling Program called for cement to surface.) The 9-5/8" casing was set at 11,135'. The Drilling Program called for cementing the 9- 5/8" casing to 1500' above the top of the "G" Zone. The CBUVDL log run (6-22-75) after the cement job indicates the top of cement at approximately 9100'. B) CBL or formation integrity records: There was no cement bond log run on the 13-3/8" surface casing. Two LOT's were performed prior to initial annulus injection in July 1998. The first leak off occurred at 1510 psi and the second LOT indicated a leak off at 1525 psi. In actual practice during the injection of wastes while drilling Grayling G-15RD, leak off occurred between 1200 and 1400 psi. The two leak off tests indicate a fracture gradient at the 13-3/8" shoe of approximately .745 psilft 9. Details that show that the inner and outer casing strings have sufficient strength in collapse and burst to withstand the anticipated pressure of disposal operations. Casing Details indicate that the inner and outer casing strings have sufficient strength to withstand the anticipated pressure of disposal operations. 13-3/8" Casing 61 and 68 lblft, K-55 Burst: 3090 psi/3450 psi Collapse: 1540 psi/1950 psi 9-5/8" Casing X:\TIMB\Grayling\G-22 ann disp\G-22 ann disp 403 Attachment.doc 10. 11. 12. 13. v () 47 lb/ft, N-80/P-110/S-95 Burst: Minimum 6870 psi Collapse: Minimum 4750 psi The downhole pressure obtained during a formation integrity test conducted below the outer casing shoe. The downhole pressure was derived from the two LOT's performed prior to initial annulus injection in July 1998. The first leak off occuITed at 1510 psi and the second LOT indicated a leak off at 1525 psi. The two leak off tests indicate a fracture gradient at the 13-3/8" shoe of approximately .745 psi/ft or 3700 psi. Identification of the hydrocarbon zones, if any above the depth to which the inner casing is cemented. Hydrocarbon bearing formations above the top of cement at approximately 9100' MD to the 13-3/8" casing shoe at 4977'TVD are gas producing sands of the Lower and Middle Tyonek. Given that all gas sands present below the 13 3/8" casing shoe are below the lowest known gas, and that all records indicate that the 13 3/8" casing has good cement bond, all injected volumes should enter either water-bearing sands or the water-leg of gas bearing sands. . Given the minute amount of expected waste disposal volume compared to the volume of the sands being disposed into, reservoir effects would be insignificant. Therefore, there is no significant risk to gas reserves as a result of the proposed disposal project. Duration of Disposal, not to exceed 90 days: The A-15RD well is anticipated to take 70 days to drill beginning approximately November 10. The first hole section will be drilled with wate.r based mud so no oily liquid waste will be brought to Grayling G-22 for disposal until the second hole section starts to be drilled on approximately December 1, 2001. The A-15RD drilling will finish on approximately Ian 20, 2002. The second redrill at Monopod will be A-29RD pending reservoir results from A-15RD. Drilling with oil-based mud could commence on Ian 20, 2002 and end on March 20, 2002. If both Monopod wells are drilled, the 90 day limit will probably be exceeded for liquid disposal into G-22. Unocal requests permission to exceed the 90 day limit. Summary of Previous Disposal The G-22 9-5/8" x 13-3/8" annulus has previously been used for disposing of liquid drilling waste. From 6/30/98 to 9/1/98,3429 bbls of liquid waste generated while drilling G-15RD were disposed in 0-22. From 6/18/00 to 7/22/00,903 bbls of liquid waste generated while drilling 0-28RD were disposed in G-22. From 7/22/00 to 8/29/00, 2978 bbls of liquid waste generated while drilling G-26RD were disposed in G-22. X:\TIMB\Grayling\G-22 ann disp\G-22 ann disp 403 Attachment.doc ~) () The above three redrills total disposed volume into G-22 was 7310 bbls. 14. The well where the drilling waste to be disposed of was or will be generated The liquid waste will come from the drilling of Monopod A-15RD and A-29RD. Only liquid waste will be coming from Monopod for disposal into G-22's annulus. The cuttings will be stored, ground and injected at the Bruce platform. 15 If the operator proposes not to comply with a limitation established in (d) of this section, an explanation of why compliance would be imprudent. d (4) Through the annular space of a well not located on the same platform as the drilling operation generating the drilling waste. There are no available annuli on Monopod suitable for disposal due to the presence of hydrocarbons beneath the surface casing shoes. Unocal proposes to bring oily liquid waste generated from the drilling of Monopod A- 15RD and A-29RD to the Grayling G-22 for disposal. The solid cuttings will be placed in drums and shipped to Bruce platform for storage and eventual grind and injection once air quality permits are approved in 2002. It would be even more costly to transport and store liquid waste on the Bruce platform awaiting air quality permit approval. It would be much more economical to bring the liquid waste to the Grayling platform and dispose of it under this proposed annulus disposal operation while drilling the A-15RD well in December 2001-January 2002 and the A-29RD well in Jan 2002 to March 2002. 16 Any additional data required by the commission to confirm containment of drilling waste: The attached spider plat mentioned in item No.4 above demonstrates that G-22's surface casing point is faraway from other wellbores on the Grayling. The depth and location of the G-22 surface casing shoe is a good indication that there will not be a conduit for communication to surface. X:\TIMB\Grayling\G-22 ann disp\G-22 ann disp 403 Attachment.doc UNOCAL8 \..,) ( )Trading Bay Unit Well # G-22 Actual Completion (11/98) CASING AND TUBING DETAIL 1\11> 1\11> TVI> SIZE WT GRADE CONN II> TOP BTM. BTM 26" 1" wall 24.0 Surf. 356' 356' 20" 94 Butt 19.124 Surf. 629' 629' 13-3/8" 61 & 68 H-4O Butt 12.415 Surf. 5548' 4977 9-5/8" 47 N-80 Butt 8.681 Surf 7016' 6231' 9-5/8" 47 P-ll0 Butt 8.681 7016 10,087' 8915' 9-5/8" 47 S-95 Butt 8.681 10,087' 11,335' 9984' Tubing: 4-112" 12.6 L-80 Imp. Butt 3.958 40.6' 9978' 8746' AB Mod ~ RKB to TBG Hngr = 40.6' Tree: Single 4-1/2" 5,000# L -=><) r 2 4 . . -=. G-1 G-2 = G-3 G-4 G-5 5 Sand Fill on PXN plug . B-1 B-2 B-2 B-3 B-4 T6 ~8 B-5 if B-6 ~£~~1I£.a{~~~~f.~i~~ ;~f.f2~~k ~ .. '- ~ RT to MSL ELEV = 99' TD = 11,335' ETD = 10,980' MAX HOLE ANGLE = 34.5~ @ 4200' 0-22 11-98.doc Zone 0-1 0-2 0-3 0-4 0-5 0-5 B-1 B-2 B-2 B-3 B-4 B-5 B-5 B-6 0-5 0-4 0-3 0-2 0-1 NO. 1 2 3 4 5 6 7 8 Top 10061 ' 10115' 10178' 10230' 10370' 10590' 10595' 10643' 10742' 10762 ' 10827' 10984' 11 081' 11115' 10,375' 10230' 10190' 10118' 10065' Depth 9897' 9898' 9903' 9945' 9978' 10,968' 10,980' 10,981.55' Btm 10095' 10154' 10218 ' 10300' 10430' 10592' 10629' 10734' 10752 ' 10815 10952' 11 022 ' 11082' 11145' 10430' 10280' 10220' 10133' 10092 ' 40.60' JEWELRY DETAIL ID Item 3.958" Cameron DCB 4-112" Tubing hanger. 4-112" Butt x 4-112" EUE top Baker Anchor Tubing Seal Assy. (PIN451-4O-9999) Baker Model 3H P Packer. (PIN 409--06-9999) Baker 5.22' Millout Ext. (PIN 995--09-9999) Baker "X" Nipple (PIN 995--08-9999) Baker Ball Seat Sub (PIN 469-21-999) Otis "BWH" Penn Pkr (10,961' Dll..) 3-112" Otis "XN" Nipple, w/2.75" PXN plug WLREG 3.958" 4.75" 4.820" 3.813" 3.958" 4.0" 2.635" 2.99" PERFORATION DATA Amt SPF Date Present Condition 34' 4 11/ 19/890pen for injection 39' 4 11/19/890pen for Injection 40' 4 11/19/890pen for Injection 70' 4 11/19/890pen for Injection 60' 4 11/19/890pen for Injection 2' 4 6/24/75 Sqz for Isolation 34' 6/4 11/16/890pen for Injection 91' 20/8/4 11/ 16/890pen for Injection 10' 4 11/16/890pen for Injection 53' 16/4 11/16/890pen for Injection 125' 16/12/8 11/16/890pen for Injection 38' 4 7/4/75 Isolated l' 4 6/22/7 5 Sqz for Isolation 30' 4 74J/75 Isolated 55' 6 .Y};æO/98 Open for Injection 50' 6 9/11/98 Open for Injection 30' 6 9/11/98 Open for Injection 15' 6 9/11/98 Open for Injection 27' 6 9/11/98 Open for Injection REVISED: 11/16/98 DRAWNBY:DNM ~ ' Grayling Platform ~ ~ n ~ h ( Surface Casing Cement Summary UNOCAL~¡~ ~.~ Well Casing Size Shoe MD Shoe TVD Cement Comments Volume (inches) (feet) (feet) (sacks) G-1 13.375 2,160 2,118 3,1 00 Returns at surface G-2RD 13.375 2,011 2,010 2,500 100 Sacks top job. G-3RD 13.375 2,209 2,176 2,500 r" G-4RD 16.000 621 621 1,200 '~' G-5 16.000 591 591 1,395 Cement to surface. G-6 16.000 631 631 . 1,450 Good cement returns to surface. G-7 17.750 560 560 650 Good returns to surface G-8RD 16.000 590 556 1,250 Slight Returns G-9 16.000 623 621 1,300 Good returns to surface G-10 16.000 643 643 250 Top of cement @ 411' G-11 16.000 694 694 1,300 G-12 17.750 602 602 775 G-13 17.750 602 602 750 G-14 17.750 600 600 700 Good cement returns. G-14ARD 17.750 520 520 700 Good returns to surface G-15 17.785 600 600 700 , G-16 17.750 901 888 750 560 560 675 '-. G-17 17.750 G-18 DPN 17.750 600 600 800 G-19 17.750 520 520 700 Cement returns at surface G-20 20.000 1,200 1,200 798 G-21 20.000 822 822 799 Cement returns at surface. Tested to 500 psi. G-22 20.000 629 629 661 Good returns. G-23 20.000 796 796 541 Good Cement returns. Tested to 500 psi. G-24 20.000 829 829 850 Cement returns at surface. Tested to 500 psi. G-25 20.000 816 816 780 Good Cement returns. Grayling Surf CSG CMT summary.xIs 1/2 10/24/2001--11 :20 AM Well Casing Size Shoe MD Shoe TVD Cement Comments Volume (inches) (feet) (feet) (s~cks) G-26 20.000 741 741 500 G-27 20.000 821 821 600 Cement returns at surface G-28 20.000 828 828 660 G-29 20.000 911 911 1814 ft3 Good cement returns to surface. G-30 17.750 520 520 750 G-31 17.750 520 520 790 Cement returns at surface rJ G-32 17.750 497 497 850 Lost returns after 650 sxs pUlnped. CSG tested to 400 psi. G-33 20.000 605 605 6,150 65 sack top job. No returns while cementing. CSG test to 700 ~ ~ G-34RD 20.000 616 616 1,000 Lost circ. 100 sack top job. G-36 DPN 20.000 599 599 800 Cement returns to suface after 690 ft3 pumped. G-40 16.000 1,929 1,929 1,898 Perfonned two top jobs: 500 sacks and 1,000 sacks. ~ .~. Grayling Surf CSGCMT sUlrunary.xls 2/2 10/24/2001--11:20 AM . ' ~ /G -=-1 0 R /' \ / \ (j) / ~ --r,-r1C1___/~_~-2 X MilJ Radius ~0¡ '8 I \ G-22 13-%" qasing Shoe \ \ ., 'e ~ (4977' NO). ,,10 !:::u I ~4Q - - - --- ~ g Om D-44 ~~ -f ~g ~ m I ~ä1 ~ < i ~ m I I: - 0 -4þ D-40RD L: \Drafting\Prop Plats\ BU-GLj:~.:::DlspL.DW9 I Q) \ ~ 0 ~ GrayÎing 'Platform Well G~22 Proposed An~ul~s Di~p~s'al I >G ~AY~=~- G . ¡' ~ C\2 GR~-A , I I .p. I Q) M-1~-11 32 G-34 D-28 A I / -42 ) ~~~~! ':1 !A~!A~~~fÆ ') ALASKA OIL AND GAS CONSERVATION COMMISSION TONY KNOWLES, GOVERNOR 333 W. ']TH AVENUE, SUITE 100 ANCHORAGE, ALASKA 99501-3539 PHONE (907) 279-1433 FAX (907) 276-7542 Dan Williamson . Drilling Manager Unocal PO Box 196247 Anchorage AK 99519 .Re: Trading Bay Field A-15 RD Union Oil Company of California (Unocal) Permit No: 201-189 Sur Loc: 1616' FSL, 574' FEL, S4, T9N, RI3W, SM Btmhole Loc. 300' FSL, 2980' FEL, S10, T9N, RI3W, SM Dear Mr. Williamson: Enclosed is the approved application for permit to redrill the above referenced well. The permit to redrill does not exempt you from obtaining additional permits required by law from other governmental agencies, and does not authorize conducting drilling operations until all other required permitting determinations are made. Under separate cover you requested approval to transport oil based liquid drilling waste from the Monopod Platform to Grayling Platform for disposal in the annulus of Grayling well 0-22. Your request was authorized November 6, 2001 via sundry notice 301-304. Solid drilling waste (cuttings) will be stored for eventual processing and disposal via the Class II well on Bruce Platform. Please note that disposal of any fluids generated from this drilling operation which are pumped down the surface/production casing annulus of Grayling G-22 must comply with the requirements and limitations of 20 AAC 25.080. Approval of this permit to drill does not authorize disposal of drilling waste in a volume greater than 35,000 barrels through the annular space of a single well or to use that well for disposal purposes for a period longer than one year. The permit is approved subject to full compliance with 20 AAC 25.055. Approval to perforate and produce is contingent upon issuance of a conservation order approving a spacing exception. . Union Oil Company of California (Unocal) will assume the liability of any protest to the spacing exception that may occur. ) Permit No: 201-189 ~overnber16,2001 Page 2 of2 Blowout prevention equipment (BOPE) must be tested in accordance with 20 AAC 25035. Sufficient notice (approximately 24 hours) must be given to allow a representative of the Commission to witness a test of BOPE installed prior to drilling new hole. Notice may be given by contacting the Commission petroleum field inspector on the North Slope pager at 659-3607. Sincerely, (~()dwC ~íV C~y Bechsli Taylor Chair BY ORDER OF THE COMMISSION DATED this 16th day of November, 2001 jj c/Enclosures cc: Department of Fish & Game, Habitat Section w/o encl. Department of Environmental Conservation w/o encl. ') Unocal Corporation P.O. Box 196247 Anchorage, AK 99501 Telephone (907) 263-7660 ') UNOCAL8 Dan Williamson Drilling Manager September 12, 2001 Alaska Oil and Gas Conservation Commission 333 West ih Avenue Anchorage, Alaska 99501 Attn: Commissioner Dan Seamount Re: Application fro Permit to Drill (Form 10-401) Trading Bay Field Monopod Platform, Well A-15RD Commissioner Seamount: Enclosed is an Application for Permit to Drill (Form 10-401) for Monopod Patform, Well #A- 15RD. A separate Sundry Application (Form 10-403) was also sent to you for the proposed abandonment of A-15 well. A-15RD will consist of approximately 8460' of 12-1/4" hole to be drilled with water base mud, 2350' of 8-1/2" and 1850' of 6" holes drilled with oil based mud. The OBM liquid waste and ground cuttings will be disposed of in King Salmon annuli transported via shuttle boat(s). Separate Sundry Applications have been sent for proposed annular injection in K-6RD, K- 12RD, K-19, K-25 and K-26RD. A-15Rd will be a producing well with a(tl:I"llmt~'I:c:*~;~t~I~~,,!t~ji!J!f';'i,m,:.t:beuP!flE3r l;iern.pck. This location will be north of the highly successful K-13Rd2 Nonhern Nose well. After Ä-15Rd is drilled as a producer, A-29Rd will be drilled as an injector to support offtake from A-15Rd and K-13Rd2. If the structure unexpectedly drops to the north, then A-15Rd will be completed as an injector to support K-13Rd and A-29Rd will not be drilled. The expected spud date for this A-15RD is October 15th, 2001 so your timely consideration for approval is appreciated. If there are any questions, please contact Dan Williamson at 263-7677 or Tim Billingsley at 263-7659 or Bambang Rachmadi at 263-7808. Sincerely, ~hd~¡mrhl Dan Williamson Drilling Manager RtCE.\VED SE? 1 3 IDGi commission . Ù & Gas Cons. I AlasKa 0 þ..í\CMíage AOGCC cover letter A-15RIJ1 APD.doc Tim Billingsley - Bambang Rachmadi ) STATE OF ALASKA ALASKA Oil AND GAS CONSERVATION COMMISSION PERMIT TO DRILL ) J-I\k, 1 a. Type of work 20 AAC 25.005 Drill D Redrill ~ 1 b. Type of well. Exploratory D Stratigraphic Test D ' /0, evelopment Oil ~ Re-Entry D Deepen D Service D Development Gas D Single Zone 111' .lÞMultiple Zone D 2. Name of Operator 5. Datum Elevation (OF or KB) 10. Reid and Pool Union Oil Company of California (Unocal) 3. Address 101 KB, MSL 6. Property Designation P.O. Box 196247, Anchorage, AK 99519 - 6247 4. Location of well at surface 1616' FSL, 574' FEL, S4, T9N, R13W, SM At top of productive interval 1500' FSL, 2580' FEL, S10, T9N, R13W, SM .lit tç.t::¡1 ¡j.;:"oth :.,:") t=:: L ~'~-:-':' ¡: E: L S 11:' T':lr ¡:n :'w ~ f.1 ADL 18731 7. Unit or property name Trading Bay Field 8. Well number ':i",,~1;;Jf'~,?~ () Apprc...¡rr.3t"" p'Jd d,:¡l", " ,,::..~øg£~::,. 1'4 f\!,.lmt,,,,r (.1 ,:¡u.,.; ,n pr')~'.,.111 , ~ D,~.13r,,:'-:- 1(1 1ì-:-..1r.:o':, 1 j 01: 1.3('.(':-- I,:, 1'1':- ~r~': I \t,,~1I property line 300 feet 16. To be completed for deviated wells Kickoff depth 1100 feet Maximum hole angle 18. Casing program size Hole @ TO '(K-13 Rd2) 400 feet feet Trading Bay Field - Monopod Pltfm. Northern Nose Hemlock 11 :Type Bond (SEE 20 ACe 25.025) AK Statewide Oil & Gas Bond Number U62 - 9269 Arr.-:'urd i'~(II:1 (11:11) 1 ~ Pr.:.po:.,,,.,.,j d.,.~,rn 1,1.10 ~r,.j T ,/I)! 92.29 13,684/9,700 (see 20 AAC 25.035 (e)(2)) . At total depth C 13,684' 4,043 psig 3840 17. Anticipated Pressure Maximum surfac Setting 0 Top Bottom MD TVD MD 39 ' 39 ' 1,073 ' 0' 0' 9,500' 9,300' 7,720' 11,826' 11,625' 9,500' 13,864' Specifications Casing Weight Grade Coupling Length 13-3/8" 61 # K-55 BTC 1,034 ' 12-1/4" 9-5/8" 47# L-80 BTC 9,500' 8-1/2" 7" 29# L-80 BTC 2,526 ' 6" 4-1/2" 11.6# J-55 Hyd 511 2,059 ' 19. To be completed for Redrill, Re-entry, and Deepen Operations Present well condition summary Total depth: measured true vertical TVD 1,073 ' 7,900 ' 9,610 ' 9,700 ' 6,790 6,037 feet feet Effective depth: measured 6,647 feet PBTD true vertical 5,926 feet Packer @ 6167' MOl 5524' TVD Length Size Cemented Measured depth 1,028' 13-3/8" 1 ,200 sx 1,073' 6,647' 9-5/8" 900 sx 6,647' Casing Structural Conductor Surface Intermediate Production Liner Perforation depth: measured 6,195' - 6,212'; 6,225' - 6,255' ; 6,276' - 6,394' ; 6,414' - 6,520' true vertical 5,552' - 5,567'; 5,577' - 5,603' ; 5,621' - 5,721' ; 5,737' - 5,823' feet Quantity of cement (include stage data) Existing csg (1200 sx) 1,291 sx 325 sx None True vertical depth 1,073' 6,647' 20. Attachments Filing fee 0 Property plat 0 BOP Sketch 0 Diverter Sketch 0 Drilling fluid rogram ~ Time vs depth plot ~ Refraction analysis D Seabed report D 21. I her y rtify tha~ t~e ð'f!g is true and correct to the best of my knowledge Signe , /\(J..J..j).! ~ Title Drilling Manager Commission Use Only Permit Numl;>er qa I API number . -, I APprovi'Ica¡1~flt I See cover letter 20 (- / ¿" I 50- 7"8:3- 2DIDS - D' II.Y/U for other requirements Conditions of approval Samples required D Yes ~ No Mud log required L Yes ~ No - -.' Hydrogen sulfide measures ~ Yes D No Directional survey required 8J Yes D No "b\:> CJ() ~~ \ <::.o..~~\ c;Q' ~ Required working pressure fo~ BOPE . D 2M; ~ 3M; D 5M; D 10M; D 15M 1t,~~<i, \S~~ ~-\-\,),\~~ \ C;S(fs 9è..~ Other: ~~"-~~~\\~ \...~~\-\..\\j ~~t)\~\<:..~c.,:> \,,~<::::..'-~~ ~ ~ Ongmal 81goeo y'~ ~ by the order of / r II, Approved by . Commissioner the commission Date I '{j, d Form 10-401 Rev. 12-1-85 Cammy Oechsh Submit i tn icale OR\G\NAl Drilling program 0 20 AAC 25.050 requirements ~ <?<:¥I RECEiVED SEP 1 3 2001 Alaska Oil & Gas Cons. Commission Anchorage ) ') Monopod A-15RD Hazard Analysis for APD 20AAC 25.005 (c) 4 (A) The existing 9-5/8" casing is only cemented from bottom to - 3,250' TVD in June 1968 as indicated from 300 sxs of 2nd stage cementing with dual stage collar at 4382'. There has been history that the 9-5/8" x 13-3/8" casing pressure was up to 290 psi, and attempts to bleed off the pressure were not success. Lately, however, it was unofficially reported that the 9-5/8" x 13-3/8" annulus pressure was zero (0) psi. It is necessary to ensure to kill this annulus first before commencing the abandonment. A plan is to pump down (bullhead) the annulus about 200 bbls of 8.7+ ppg FIW + 4% KCL or any water base mud to kill the annulus. (B) Drilling a12-1/4" hole below 13-3/8" shoe at 1 ,073' to 7,900' TVD gives marginal kick tolerance. Assuming 0.78 psi/ft of fracture gradient, it only give 20 bbls swab tolerance w/ 9.2 ppg mud and 8.9 ppg pore pressure. The 8.9 ppg pore pressure assumes virgin pressure of gas reservoir which - is unlikely to exist at the bottom of this section - So in reality, higher kick/swab tolerance could be expected. PVT monitor, especially at the trip tank is essential and a good flooding system shall be ready when drilling into this section. The annulus fluid level shall be kept full at all times to ensure no influx during tripping out. (C) Cementing long section of 9-5/8" should not be real issue as at the bottom the fracture gradient will be much higher than the designed light-crete 12.0 weight. The only potential problem is partial loss during cementing. We will ensure pumping the cement with 10% open hole volume excess. (D) The Hemlock production in the area has an H2S content of up to 400 ppm. Prior to drilling the A- - 15RD, a full cascade system and individual SCBA's will be in place. An H2S Safety Technician will service the equipment, conduct drills and refresh crew members in the proper use of the equipment. APD procedure and Hazard A-15RD.doc 9/11/2001 Monopod Well #A-15RD Maximum Anticipated Surface Pressure The following present data used for calculation of anticipated surface pressures (ASP) during drilling of the A-15RD. The pore pressure gradients were estimated based on normal gas pressure in the upper-middle part of 12-1/4" hole section and 8.1 ppg @ 8-1/2" and 6" hole sections. The Fracture gradient is estimated based on distribution of the selected previous Unocal Alaska well data set. Casing Pore Casing Setting Fracture Pressure Mud Pore ASP Size Depth Gradient Gradient Weight Pressure Drilling .ürù (TVD ft) (Ibs/qal) (lbs/gal) (Ib/gal) ÍQ§Ü ÍQ§Ü 13-3/8" 1073 13.2 8.9 9.2 450 629 9-5/8" 7900 14.4 8.1 9.2 3285 3044 7" liner 9610' 14.6 8.1 9.2 4005 3073 4-1/2" 9700' 8.1 9.2 4043 slotted liner Procedure for Calculating Anticipated Surface Pressure While Drilling ASP is determined as the lesser of 1) surface pressure at breakdown of the formation at the casing seat (with full evacuation) or 2) formation pore pressure at the next casing point less gas gradient to the surface as follows: For 12-1/4" Hole Section from 1073' TVD to 7900' TVD 1) ASP 2) ASP = (FGx.052xDshoe) - (.1 xDshoe) = (13.2 x .052 x 1073) - (.1 x 1073)= 629 psi OR = FPP - (0.1 gas gradient xD) = 3153- (.1 x (7900) = 2363 psi For 8-1/2" Hole Section from 7900' TVD to 961 0' TVD 1) ASP 2) ASP = (FGx.052xDshoe) - (.1xDshoe) = (14.4 x .052 x 7900) - (.1 x 7900)= 5915 psi OR = FPP - (0.1 gas gradient xD) = 4005 - (.1x 9610) = 4005 - 961 = 3044 psi For 6" Hole Section from 9600' TVD to 9700' TVD @ TO 1) ASP 2) ASP = (FGx.052xD) - (.1 xD) = (14.6 x .052 x 9610) - (.1 x 9700)= 6335 psi OR = FPP - (0.1 gas gradient xDShoe) = 4043 - (.1x 9700) = 4043 - 970 = 3073 psi ) ') Procedure Summary of Proposed A-15RD Redrill (See Separate Description Summary for A-15 Proposed abandonment) 20 AAC 25.005(c) 5, 13 and 14 RIH with 12-1/4" rock bit on steerable assy. (BOPE shoul start of proposed abandonment procedure, weekly test will a v~pr~Xi()Hslybe~n teß.1~Q<'~~i,îaOOO psi during ':';¡'rò"~OO'þši'untili9~5ja'; casing is set) 2 Drill out cement plug (while displacing brine to 9.2 ppg water base mud) until all BHA, except HWDP are below 13-3/8" shoe. Orient tool face and and drill 20 ft new formation. Circulate hole clean. Perform FIT to 0.78 psilft or 13.2 ppg EMW. 3 Continue to directionally drill 12-1/4" hole to 9,500' MD 1 7,900' TVD. Circulate hole clean and POOH. 4 Run and cement 9-5/8" 47 ppf L-80 casing. See attached cementing program. 5 M/U 8-1/2" PDC bit on steerable assembly. Change over water base to oil base mud. Drill out shoe track and 20' new formation. Circulate hole clean and perform LEAK OFF TEST (Estimated FG @ shoe is 0.76 psi/ft or 14.4 ppg EMW). 6 Directionally drill 8-1/2" hole section to 7" casing point at top of Hemlock @ 11,826' MD 1 9,610' TVD. Circulate hole clean and POOH. 7 Run and cement 7" 29 ppf L-80 liner. See attached cementing program. 8 M/U 6" PDC bit on steerable assembly. Drill out shoe track and 20' new formation. Circulate hole clean and perform LEAK OFF TEST (Estimated FG @ shoe is 0.77 psilft or 14.6 ppg EMW). 9 Directionally drill 6" horizontal hole section to TD at 13,684' MD / 9,700' TVD. Circulate and POOH. 10 Run 4-1/2" slotted liner with inner string. Set 5" Liner hanger and packer. POOH with running tool. 11 Set 7" permanent packer at appx 11 ,500'. 12 Run 4-1/2" x 3-1/2" tubing with gas lift mandrels. 13 Space out and stab seals in packer while landing hanger. 14 ND BOPE, NU tree. 15 R/U Wireline & Pumping tee, RIH and open 3-1/2" Baker CMU sliding sleeve. Displace the well with diesel. Close CMU sliding sleeve, POH & RID wireline. 16 Move rig and place well on gas lift production. '- The cutti will be processed through a gn . unit on the King Salmon platform and the oil b d mud and proce ed cuttings will be disposed in one of five uli at King Salmon. A separate Sund pplication has bee submitted for each of the five proposed annuli: K-6R , - 2RD, K-19, K-25, K-26RD. .,../1'~ \ .. 'Sa~ '-- ''''->~ .,. ~c \.«-\.<.>. ,-<-",,,, ~ <:::, '""'-'-\\ \ ~ ~ - d ~ \;<::> I;- ~"'N \c,., ~"'&~ \-. ':;~ \~ ~ s\Ñ\>~:J ~ ~C"'- ~Ç-$~-"::;';~<:21ff; '¡),.~fDS","\ ~,'-> '-\~<;..~ ~ ~ a--:\~~ APD procedure and Hazard A-15RD.doc <i- ~ It(~ 9/11/200 I UN DC ALe API# 50-733-20105-00 RKB to TBG Hngr = 36.90' Tree connection: ?? -o-J 1 J. .- 2 8Þ 3 ..4 . . .}S .. 6 7 , ==¡'~ ~'.~t... ,. ," .,~~ <W'h 1I~,;"",..^,: 8 . . 9 10~ E E ~tE Hemlock ~ ~ Hemlock ///////////////////////////. ............... KB ELEV = 101' PBTD = 6,647' TD = 6,790' ANGLE thru INTERVAL = 36° A-15 Schm 6-68 Comp1.doc ~ ) SIZE WT 13-3/8" 61 9-5/8" 40 Stage Collar 9-5/8" 40 Tubing: 2-7/8" 6.4 NO. Depth 36.90' 301' 2007' 3886' 5174' 6096' 6133' 6166' 6167' 6213' 6245' btm 6246' 1 2 3 4 5 6 7 8 9 to Zone E E Hemlock Hemlock 12/90 Top 6,195' 6,225' 6,276' 6,414' ) Trading Bay Unit Well # A-IS Completed 6/68 CASING AND TUBING DETAIL GRAI)E CONN II) K-55 Butt 12.515 K-55 8rd LT&C 8.835 N-80 TOP 39' 35' 4382 4959' BTM. 1073' 4959' 4384' 6693' 8.835 N-80 Butt 37' 6245' 2.441 ill JEWELRY DETAIL Item to" x 4-1/2" Cameron 5M Tubing hanger, XO to 2-7/8" Butt 2-7/8" Otis, BV SSSV Nipple, GLV #1 GL V #2 GL V #3 GL V #4 Otis "XA" Sliding Sleeve Locator Seal Asssy. WI 16' of seals Baker Model "D" Packer Otis "X" Profile Nipple, 2.313 WLEG 2.313 2.313 4.75 2.313 2.5 Wireline Summary Tagged fill wi 1.25" GLS gauges @ 6523' Btm 6,212' 6,255' 6,394' 6,520' PERFORA TION DA T A Accum. Date SPF Last Opr. 4 5/18n6 4 5/18n6 16 2/11/00 16 2/11/00 Present Condition Open to Production Open to Production Open to Production Open to Production Amt. 17' 30' 118' 106' REVISED: 9/27/00 DRAWNBY:SLT UNOCAL8 API# 50-733-20105-00 RKB to TBG Hngr = 36.90' Tree connection: ?? J. ~;.. 1a _2 -3 _.4 . . _.5 .. 6 7 ~~~8 . . 9 10~ E E ~ - - Hemlock - ~ ~ Hemlock ~ ~//////////////////////////,,- KB ELEV = 101' PBTD = 6,647' TD = 6,790' ANGLE thru INTERVAL = 36° A-I5 prop Abdn.doc ) SIZE WT 13-3/8" 61 9-5/8" 40 Stage Collar 9-5/8" 40 Tubing: 2-7/8" 6.4 ~ NO. Depth 1 1200' 1a 1250' 2 2007' 3 3886' 4 5174' 5 6096' 6 6133' 7 6166' 8 6167' 9 6213' 10 6245' 12/90 Zone E E Hemlock Hemlock Top 6,195' 6,225' 6,276' 6,414' ') Trading Bay Unit / Well # A-IS Proposed Abdn CASING AND TUBING DETAIL GRADE CONN ID K-55 Butt 12.515 K-55 8rd LT&C 8.835 N-80 TOP 39' 1150' 4382 4959' UTM. 1073' 4959' 4384' 6693' 8.835 N-80 2.441 1250' Butt 6245' .ID JEWELRY DI~TAIL Item Cut and pull 9-5/8" casing for redrill down to 1150' 9-5/8" cmt retainer for abandonment Cut and pull tubing above 1250' GLV #1 GL V #2 GL V #3 GL V #4 Otis "XA" Sliding Sleeve Locator Seal Asssy. WI 16' of seals Baker Model "0" Packer Otis "X" Profile Nipple, 2.313 WLEG 2.313 4.75 2.313 2.5 Wireline Summary Tagged fill wi 1.25" GLS gauges @ 6523' Btm 6,212' 6,255' 6,394' 6,520' PERFORATION DATA Accum. Date SPF Last Opr. 4 5/18/76 4 5/18/76 16 2/11/00 16 2/11/00 Present Condition Open to Production Open to Production Open to Production Open to Production Amt. 17' 30' 118' 106' REVISED: 09/1 % 1 DRAWN BY: TAB UNOCAL8 RKB to TBG Hanger = 36.90' 1 L '--/ 2 f><J ><J L ~ \ 9-5/8" at 9530' MD, 7906' TVD 100 ~ ~3 -4 - 5 L~ Z6 ::::...~ ') SIZE WT 13-3/8" 61 9-5/8" 47 7" 29 4-1/2" 12.6 4-1/2" 11.6 Tubing: 4-1/2" 12.6 3-1/2" 9.2 ~ NO. 1. 2. 2a 3. 4. 5. 6 1 2 3 4 5 6 7 8 9 10 11 12 13 Monopod Platform Well # A-15RD Proposed 2001 Redrill CASING AND TUBING DETAIL GRADE CONN TOP K-55 BTC 36.9' L-80 BTC 36.9' L-80 KC buttress 9330' L-80 11.6 Hyd 511 blank liner 11726' L-80 Hyd 511 slotted liner 12519' BOTTOM 1073 ' 9530' 11826' 12519 ' 13684' N-80 N-80 BTC BTC 34' 9300' 9300' 11650' JEWELRY DETAIL Depth Item 300' Baker 4-1/2" TRDP-1A SSSV (ID = 3.813") 9300' 4-1/2" x 3-1/2" crossover 11520' Baker 3-1/2" CMU sliding sleeve 11560' dpm Baker 7" Model F perm packer 11610' "x" nipple (ID=2.813") 11650' 3-1/2" tbg tail, WLEG 11726' Top of 4-1/2" liner with ZXP Liner top packer (~as Lift Information 4-1/2" SFO-2 GLM with R-2 valve and RK latch 4-1/2" SFO-2 GLM with R-2 valve and RK latch 4-1/2" SFO-2 GLM with R-2 valve and RK latch 4-1/2" SFO-2 GLM with R-2 valve and RK latch 4-1/2" SFO-2 GLM with R-2 valve and RK latch 4-1/2" SFO-2 GLM with R-2 valve and RK latch 4-1/2" SFO-2 GLM with R-2 valve and RK latch 3-1/2" SFO-2 GLM with R-2 valve and RK latch 3-1/2" SFO-2 GLM with R-2 valve and RK latch 3-1/2" SFO-2 GLM with R-2 valve and RK latch 3-1/2" SFO-2 GLM with R-2 valve and RK latch 3-1/2" SFO-2 GLM with R-2 valve and RK latch 3-1/2" SFO-2 GLM with R-2 orifice and RK latch 7" liner cemented at 11826' MD/ 9610' TVD, +/- 60 deg hole ~ Slotted Liner at Near-Horizontal in HB-2 4-1/2" L-80, 11.6# tbg with 2-1/2" x 1/8" slots, 16 slots/ft Starts 100' past belly JÍ -------------------------------------~ -------------------------------------~ / 90 Deg belly at 12419' MD/9750' TVD MAX HOLE ANGLE = 94.75° @ 13413' A-15RD Prop Redrill1.doc REVISED: 09/10/0 1 TD = 13684' MD/9700' TVD DRAWN BY: TAB ~ MID RIV ST 1 (ARCa) I I K- 6 17594t1 K-26 Unoc,1 Fore~t I ¿~ E ~ 'I' ~ ~ ! -~ % 32 5 8 -11 I 2 35431-1 UNOCALe Phillips Trading Bay Field d k - Monopod Platform Ana ar 0 A.15RD 35431-2 Well Proposal - - - - Marathon 17597-1 17597-2; Forest Unocal Phillips Forest I Anadarkä I I I , A~ BAY ST 1 (TEX) TRDGrSAY 2 TI0N ~ RIJW~-2 . S-1 ~. TR BAY ST (ARCI -. /1 II - S-8 ~-3RD / 18776-1 * ~-5RDf SPURR S-21-> Phillips f; V:-_. ~':7 I .. ~':B Anadarko 4 TS-6 -. 18776-2 ~-6RI ~ Marathon 4 I S-! " . . 18731 Unocal Forest W ITRDG BJ 1 (UNION) A- 3 2 I I -- - - - -- - - - -- I I I I I A..15RD J I Proposed 6-1fiRn ~ ~ TRoo BAY 1 1 1 -------- K 3RD2 1.000 ~ 2,000 I 3.000 I SCALE IN FEET /' 15 1 4 I ,I ) PIAN VIEW Client: th:x::al Well: A-15RD Field: Trad:i.r:g Bay Unit Structure: M::rqxxì SCale: 1 in = 2000 ft Date: 08-Aug-200l UNOCAL -4000 ^ ^ ^ I ~ a:: 0 z -2000 I ~ ::> 0-4000 CJ) V V V -6000 ' I I -8CXX)1 I I i -4000 Tie-In Window 1085 20.25' 341.00' az 4000 6000 !Zue~ t Tbt Cbrr ( E 20.820 ) I Mog Dee ( E 20.820 ) I =~ '-T«m 4zm ¡ I ! -2000 0 2000 I \, ~. ~ '~oi I I I I I I ! I CIV 4Itoo 11127 MD 9153lVD 38.67' 145.63' az 4345 S 3126 E End IV /7" Csg PI 11826 MD 9610 60.oq' 170.00' az 4833 S 3306 E CIV!sNOO 11856 MD 9625lVD 6O.<p' 170.00' az 4858 S 3310 E ! En~1V 12150 MD 9724 lVD . 80.4 182.46' az 5132 S 3326 E CIV 8/1 12188 MD 9731lVD 80.42' 2.46' az 5169 S 3325 E 7 Targ t 12419 MD 9750 lVD 90.00 198.36' az 5395 S 3283 E End CIV 12447 MD 9749 "¡" "."., æ ."" "" E . ! 1m / 4-112" Lnr PI 13684 MD 9700 lVD I .92.29' 198.36' az '6595 S 2885 E I -2000 0 2000 «< WEST EAST »> 4000 Schlumberger -0 --2000 - -4000 -6000 -8CXX) 6000 -2000 0 --. Q) > Q) -1 --. +-' CtS Q) Q) ~CJ) Oc: aCtS 0Q) ~~ c: ~ .- 0 ~ ..c -CtS £4= 0..0 0>0 0 . ~ -0 CtS~ u- tCO Q)~ > .. .... Q) Q) 2~ I- > Q) ill 2000 4000 6000 8000 )CAL SErI'ICN VIEW Client: lhx:al Well: A-15RD Field: Trad:i.rg Bay U1it Structure: M:n:p:xi Secticn At: 156.28 deg D3.te: August 08, 2001 ) Sch um Jerger 1==. - I - I . ~... ^ ...."j;¡'¡:lnWindow 1085MD 1066TVD 2O.~0 341.00° az -163 departure ¡ .. : T p of Wllndow 1100 MD 1080 'I 90° 341.36° az -168 departure ¡ B e Whipstock 1116 MD 1094 1Vrj 22 ° 344.94° az -174 departure I K p 41100 1129 MD 1106 TVD 2 30° 344.94° az -179 departure nd Crv 2631 MD 2520 TVD .67' 145.63° az 19 departure '''] . . Hold Ie 38.6r Crv 411 11127 MD 9153 TVD 36.67° 145.63° az 5236 departure nd Crv /7" Csg PI 11826 MD 9610 TVD .00° 170.00° az 5755 departure Crv 81100 11856 MD 9625 TVD 60.00° 170.00° az 5780 departure 10cxx) I 12000 ¡ -2000 2000 4000 6000 Vertical Section Departure at 156.28 deg from (-7.4, -17.8). (1 in = 2000 feet) A-15RD Proposed Well Profile - Geodetic Report Report Date: August 8, 2001 Client: Unocal Field: Trading Bay Unit Structure 1 Slot: Monopod / A-15 Well: A-15 Borehole: A-15RD UWI/API#: 507332010501 Survey Name 1 Date: A-15RD (P1) / August 7, 2001 Tort 1 AHD 1 DDII ERD ratio:155.621 ° /8287.77 ft /6.258/ 0.850 Grid Coordinate System: NAD27 Alaska State Planes, Zone 4, US Feet Location LatlLong: N 605348.693, W 151 3443.755 Location Grid N/E YIX: N 2523130.000 ftUS, E 218859.000 ftUS Grid Convergence Angle: -1.37957061 ° Grid Scale Factor: 0.99998994 Feasibility studp Station ID MD Incl Azim TVD VSec N/-S (ft) (°) (°) (ft) (ft) (ft) Tie-In Window 1085.00 20.25 341.00 1065.50 -162.79 144.62 Top of Wiindow 1100.00 20.90 341.36 1079.55 -168.04 149.61 Base Whipstock 1116.00 22.30 344.94 1094.42 -173.89 155.24 KOP 4/100 ...1129.00 22.30 344.94 1106.45 -178.76 160.01 1200.00 19.55 346.96 1172.76 -203.77 184.59 1300.00 15.73 350.95 1268.05 -233.35 214.29 1400.00 12.04 357.35 1365.11 -256.22 238.10 1500.00 8.60 9.02 1463.49 -272.27 255.91 1600.00 5.93 33.11 1562.70 -281.41 267.63 1700.00 5.31 74.40 1662.26 -283.60 273.21 1800.00 7.29 106.91 1761.68 -278.84 272.61 1900.00 10.49 122.76 1860.48 -267.14 265.83 2000.00 14.10 130.94 1958.18 -248.56 252.92 2100.00 17.87 135.78 2054.30 -223.19 233.94 2200.00 21.73 138.97 2148.38 -191.16 208.97 2300.00 25.62 141.23 2239.94 -152.62 178.14 2400.00 29.54 142.92 2328.56 -107.76 141.59 A-15RD (P1) Report.xls Page 1 of 2 Ie I um lerrer Survey I DLS Computation Method:Minimum Curvature / Lubinski Vertical Section Azimuth: 156.410° nly Vertical Section Origin: S 7.430 ft, W 17.830 ft TVD Reference Datum: KB TVD Reference Elevation: 101.0 ft relative to Mean Sea Level Magnetic Declination: 20.816° Total Field Strength: 55379.927 nT Magnetic Dip: 73.56r Declination Date: August 30, 2001 Magnetic Declination Model: BGGM 2000 North Reference: True North Total Corr Mag North -) True North;+-20.816° Local Coordinates Referenced To:Well Head E/-W (ft) -76.41 -78.11 -79.82 -81.10 -87.28 Grid Coordinates Northing Easting (ftUS) (ftUS) 2523276.42 218786.10 2523281.45 218784.52 2523287.12 218782.94 2523291.91 218781.78 2523316.64 218776.19 DLS (0/100ft) 0.00 4.41 12.00 0.00 4.00 .~ Geographic Coordinates Latitude Longitude N 605350.117 W 151 3445.299 N 605350.166 W 151 3445.334 N 605350.222 W 151 3445.368 N 60 53 50.269 W 151 3445.394 N 60 53 50.511 W 151 3445.519 -93.19 4.00 2523346.47 218771.00 N 60 53 50.803 W 151 3445.638 -95.81 4.00 2523370.34 218768.95 N 60 53 51.038 W 151 3445.691 -95.12 4.00 2523388.12 218770.07 N 60 53 51.213 W 151 3445.677 -91.12 4.00 2523399.74 218774.35 N 60 53 51.329 W 151 3445.597 .~ -83.84 4.00 2523405.15 218781.76 N 605351.383 W 151 3445.449 -73.31 4.00 2523404.29 218792.28 N 605351.378 W 151 3445.237 -59.58 4.00 2523397.18 218805.84 N 60 53 51.311 W 151 3444.959 -42.72 4.00 2523383.87 218822.38 N 60 53 51.184 W 151 3444.618 -22.82 4.00 2523364.42 218841.82 N 60 53 50.997 W 151 3444.216 0.04 4.00 2523338.91 218864.07 N 60 53 50.751 W 151 3443.754 25.75 4.00 2523307.4 7 218889.03 N 60 53 50.447 W 151 3443.234 54.16 4.00 2523270.24 218916.55 N 60 53 50.087 W 151 3442.660 8/8/2001-6:25 PM Grid Coordinates Geographic Coordinates Station ID MD Incl Azim TVD VSec N/-S E/-W DLS Northing Easting Latitude Longitude (ft) (°) (°) (ft) (ft) (ft) (ft) (°/1 OOft) (ftUS) (ftUS) 2500.00 33.48 144.25 2413.80 -56.80 99.52 85.16 4.00 2523227.44 218946.53 N 60 53 49.673 W 151 3442.033 2600.00 37.44 145.33 2495.23 0.02 52.12 118.58 4.00 2523179.25 218978.80 N 605349.206 W 151 3441.358 End Crv 2631.12 38.67 145.63 2519.74 18.85 36.31 129.45 4.00 2523163.18 218989.29 N 60 5349.051 W 151 3441.138 Crv 4/100 11126.88 38.67 145.63 9153.21 5233.12 -4344.72 3126.39 0.00 2518711.32 221879.85 N 60 53 5.905 W 151 3340.583 11200.00 40.61 149.05 9209.52 5279.17 -4383.99 3151.53 4.00 2518671.46 221904.03 N 60 53 5.518 W 151 3340.076 11300.00 43.42 153.31 9283.82 5345.79 -4442.63 3183.71 4.00 2518612.06 221934.79 N 60 534.941 W 151 3339.426 11400.00 46.37 157.14 9354.67 5416.32 -4506.71 3213.22 4.00 2518547.29 221962.75 N 60534.310 W 151 3338.830 11500.00 49.44 160.60 9421.71 5490.42 -4575.91 3239.91 4.00 2518477.47 221987.77 N 60533.628 W 151 3338.291 11600.00 52.60 163.76 9484.62 5567.73 -4649.90 3263.65 4.00 2518402.93 222009.72 N 60532.900 W 151 3337.812 11700.00 55.83 166.65 9543.10 5647.86 -4728.32 3284.32 4.00 2518324.04 222028.49 N 60532.127 W 151 3337.395 11800.00 59.13 169.33 9596.85 5730.44 -4810.79 3301.82 4.00 2518241 .17 222044.00 N 60531.315 W 151 3337.041 End Crv I 7" Csg pt 11825.96 60.00 170.00 9610.00 5752.23 -4832.81 3305.83 4.00 2518219.06 222047.48 N 60 531.098 W 151 3336.961 ~ Crv 8/100 11855.96 60.00 170.00 9625.00 5777.48 -4858.40 3310.34 0.00 2518193.37 222051.37 N 60 53 0.846 W 151 33 36.870 11900.00 63.00 172.11 9646.01 5814.91 -4896.62 3316.35 8.00 2518155.02 222056.46 N 60 53 0.470 W 151 3336.748 12000.00 69.90 176.52 9685.96 5902.04 -4987.76 3325.33 8.00 2518063.69 222063.24 N 60 52 59.572 W 151 33 36.567 12100.00 76.91 180.55 9714.51 5990.72 -5083.49 3327.72 8.00 2517967.93 222063.33 N 60 52 58.630 W 151 3336.520 End Crv 12149.69 80.42 182.46 9724.28 6034.83 -5132.18 3326.44 8.00 2517919.28 222060.88 N 60 52 58.150 W 151 33 36.546 Crv 8/100 12187.53 80.42 182.46 9730.58 6068.35 -5169.46 3324.84 0.00 2517882.05 222058.38 N 60 52 57.783 W 151 3336.578 12200.00 80.92 183.33 9732.60 6079.36 -5181.75 3324.22 8.00 2517869.78 222057.46 N 60 52 57.662 W 151 33 36.591 12300.00 85.03 190.25 9744.84 6164.90 -5280.21 3312.47 8.00 2517771.64 222043.35 N 605256.693 W 151 3336.829 12400.00 89.21 197.08 9749.87 6244.32 -5377.18 3288.88 8.00 2517675.26 222017.43 N 605255.738 W 151 3337.306 Target 12418.80 90.00 198.36 9750.00 6258.45 -5395.09 3283.16 8.00 2517657.50 222011.28 N 60 52 55.561 W 151 3337.422 End Crv 12447.43 92.29 198.36 9749.43 6279.73 -5422.25 3274.14 8.00 2517630.56 222001.61 N 605255.294 W 151 3337.604 TO 14-1/2" Lnr pt ... 13684.28 92.29 198.36 9700.00 7198.87 -6595.20 2884.85 0.00 2516467.34 221584.20 N 605243.745 W 151 3345.475 .~ LeÇlal Description: NorthinÇl (y) rftUSl EastinÇl (X) rftUSl Surface: 1616 FSL 576 FEL S4 T9N R13W SM 2523130.00 218859.00 Tie-In: 1760 F8L 652 FEL S4 T9N R13W SM 2523276.41 218786.09 End Crv I 7" Csg pt: 2062 F8L 2557 FEL 810 T9N R13W 8M 2518219.06 222047.48 Target: 1500 FSL 2580 FEL S10 T9N R13W SM 2517657.50 222011.28 TO 14-1/2" Lnr pt I BHL: 300 F8L 2980 FEL 810 T9N R13W 8M 2516467.34 221584.20 A-15RO (P1) Report.xls Page 2 of 2 8/8/2001-6:25 PM ) CASING DESIGN: WELL A-15RD SYMBOL MANUFACTURER DATA Grade Weight Connection TENSION COLLAPSE BURST WELL DATA Water Depth RT to MSL Casing Top Casing Bottom MD Casing Bottom VD TD Below Shoe Mud Type Mud Weight Formation Pressure Anticipated Fracture Gradient @ Shoe ppf T C B ) UNIT :::::J~~~(~:I:~::::: ::::~~pl~:~::::/:::::ll:I::::::::::: ppf Ibs psi psi K-55 61 BUTT 581000 1,522 3, 184 L-80 47 BUTT 737000 4,299 6,865 L-80 29 BUTT 597000 7,020 8, 160 WD ft 73 73 73 RTMSL ft 101 101 101 Ctop ftMD 0 0 9,175 ShoeMD ftMD 1,073 9,500 13,685 ShoeVD ftVD 1,073 7,900 9,610 ND ftVD 7,900 9,610 9,700 WBM OBM OBM MW ppg 9.2 9.2 9.2 Pform ppg 8.9 8.1 8.1 FG psi/ft 0.78 0,76 0.77 PIPE STRENGTH EVALUATION TENSION Total Weight in Air Tensile Design Factor (min 1.6) TW TDF COLLAPSE Bottom Casing Pressure BCP :: :C91.~p~ :P~:ign: :fR~Çtp:~ :Wf :"~ç~: :ijþ::::::::::::::: j:::: j::::: j::::: j n: ,:::::: :Cþ:F,:$.:: j::: BURST Bottom Hole Pressure Gas Gradient Mud Gradient Mixture gradient Fluid Press at Shoe Fracture Pressure at Shoe :: :~i.gn. .f.~Ç19r..( Prig,. .Mi.f1..1. ~.~Q).... Ibs psi BH P psi GasGrad psi/ft MudGrad psi/ft MixGrad psi/ft Pshoe psi Pfrac psi ....~.Pf..... Allowable Mud Column for Allowable Surface Pressure TD LAST SHOE IN WELL, ft Estimated PP @ TD section, ppg Estimated FG @ Shoe, ppg FRAC PRESSURE @ LAST SHOE IN WELL, psi Gas Grad. Gas column, psi Mud column, psi Total Hydrostatic Gas column, psi-Mud column, psi mud-gas Gas column, psi-Mud column, psigrad, psi/ft Allowable Surface Pressure, Psi Mud Weight to test SUFFICIENT TEST-? Shoe Frae @ % Vol gas bubble 91,634 446,500 130,790 6.34 1.65 4.56 513 3,779 4,597 \H}~~$$\\ H}~~:'4H} \\~~$~\\ 3,656 4,005 4,086 0.004 0.026 0,032 0,478 0.478 0.478 0.194 0,026 0,032 2,334 3,960 4,083 701 5,872 7,266 . . . .1. .'.?:~. . . . . ... ......JA~?.... .......JA~Q........ 40% 0% 0% 1,073 7,900 9,610 8.9 8.9 8.9 13.8 14.4 14.6 770 5,916 7,296 0.004 0.026 0.032 187 0 0 2 208 303 190 208 303 0.177 0.026 0.032 2, 127 3,753 3,780 9.20 9.20 9.20 OK OK OK 9% > 100% > 100% ) ') Monopod A-15RD Cementing Program 9-5/8" L-80, 47 ppf, BTC Casing using 12.0 pPg Litecrete system 12-1/4" hole @ 9500' MO Cement volume for casing based on open hole volume plus 20%, and shoe track. Estimated volume is: 8427' x 0.0558 bbl/ft x 1.2 = 564 bbls = 3,168 Cuft 80' shoe jts x 0.0758 bbl/ft = 6 bbls = 34 cuft Total Cement = 3,168 + 34 = 3202 cuft or 1291 sx of 12.0 ppg blend cement. 7" 29 ppf, L-80 BTC Liner using 15.8 ppg G neat system 8-1/2" hole @ 11,826' MO, Liner Lap @ 9,200' MO Cement volume for liner based on open hole volume plus 20%, and shoe track. Estimated volume is: 2346' x 0.02258 bbls/ft x 1.20 = 63 bbls = 355 cuft 80' shoe jts x 0.03645 bbl/ft = 3 bbls = 16 cuft Total Cement = 355 + 16 = 371 cuft of 15.8 ppg or 323 sxs of G-Neat cement. 4-1/2" Liner Slotted liner will not require any cement ") ) Drilling Fluids Program 1 Prepared by: Reviewed by: Presented to: M-I Drilling Fluids L.L.c. 721 West First Avenue Anchorage, Alaska 99501 (907) 274-5564 (907) 279-6729 Fax --. UNOCAL MONOPOD Well A-15RD '" }.¿- Lee Dewees Tim Billingsly Bambang Rachmadi September 5, 2001 DRILLING FLUIDS ) ) Project Summary \ ~. 9 5/8" 12 1/4" 7" 8 1/2" 4.5" 6" 1 , , .No. .Drill Solids ..KeylsstleNo. 4 Space Linlitations M-I Drilling Fluids L.L.c. 721 West First Avenue Anchorage, Alaska 99501 (907) 274-5564 (907) 279-6729 Fax Well A-15RD Depth Mud Weight Sum Days TVD Mud System OH @1100 WBM 9.0 1100 9530' 7906' 15 9.0-9.6 FLO-DRILL 1.1826' Versa-Drill 30 8.8 -9.6 9610' 13700' Versa-Drill Mapco Completion 50 56 9.0-9.6 (7.4 ) 9700' Cumulative Mud Cost $5,000 $159,375 $258,750 $361,250 ($415,000) 1m . Maintain 4 ppb initial concentration of Soltex (WBM) in 12 114'" interval. For sloughing coal in the OBM interval Ventrol 401 may be substituted for Soltex. It may be neces- sary to raise mud weight. . Maintain sufficient 3 RPM reading in 8 112" interval to in- sure adequate hole cleaning. Sweep hole as needed to avoid cuttings buildup. Pump weighted sweeps in 6" interval to aid in hole cleaning. . Run as fine a mesh shaker screen as possible. Run centri- fuge during trips to reduce drill solids in mud. . Utilize Safe-Guard tanks for solids transfer. . Utilize King Salmon for mixing OBM. . Plan ahead. DRILLING FLUIDS ) ) Interval Summary (12 1/4" hole) I I ;1 I II . 1;1 :1 i '1 I A-15RD 1100-9530' MD I íi J Drilling Fluid System Seawater Bio-polYlner Flo-Drill Key Praducts Flo-Vis I Polypac UL I Soltex I MI Bar I Caustic Soda Resinexl KIa-Guard SalldsCØntrol Derrick Shale Shakers I Desander I Desilter 1518 Centrifuge PotentialProblems Hole cleaning I coal sloughing I drill solids buildup I lost circulation ",',!I¡'f1t.~.~~à1í..... 'r~il'li:A:g 'f.fQI;~.....~rø:pér1;ies ; , , ~. .~'..M=.Y ..~. ,~, Depth Interval (ft) 2500' 9000' L----..III API Fluid Loss (mI/30min) < 10 cc's 8-10 8 -10 3RPM Reading Drill Solids (%) <5% Mud Weight (ppg) 8.8 -9.0 9.0- 9.6 Plastic Viscosity (cp.) 8 - 12 1 0-12 Yield Point (lb/100ft2) 15-20 15-20 < 6 cc' s <5% '.....nm.........m., .:a. _iii!~~ . Abandon A-15 wellbore. Set plug and kickoff with de-completion fluid. Displace hole to Flo- Drill mud. . Initial volume of fluid should be +1- 425 bbls. . Pre-treat makeup water with soda ash if required build Flo-Drill mud with system with the fol- lowing; 1.5 ppb Flo- Vis, 1 ppb Polypac UL, 4 ppb Soltex, 4-6 ppb KIagaurd. Adjust pH to 9.0 - 9.5 w/Caustic Soda. Adjust 3 RPM reading to> 8 w/Flo-Vis. . If coal becomes a problem, increase Soltex concentration to 6 - 8 ppb. . Maintain 4-6 ppb KIa-Guard to inhibit clay swelling. . Keep drill solids to a minimum by use of all solids control equipment and water additions. . Reduce fluid loss to +1- 8 cc' s API prior to running 9 5/8" casing. . Run daily sheen tests on mud and cuttings. Grab mud sample for monthly toxicity test for each month of discharges. Maintain records of daily discharges of mud and cuttings. . Spot 40 - 50 bbl pill with 10- 15 ppb of Soltex across bottom 500' of hole (coal section) prior to running liner. M-I Drilling Fluids L.L.c. 721 West First Avenue Anchorage, Alaska 99501 (907) 274-5564 (907) 279-6729 Fax DRILLING , FLUIDS ) ') Lost Circulation (12 1/4" hole) A-15RD 1100-9530' MD I ~ Lost Circulation Reconunended LCM Pill Formulas Problems K~yProducts Drilling Fluid / MIX II Fine, Medium, Coarse / OM Seal/Flo- Vis I!~._.."' - ,,.-------Z-~",,,,,,~~-_.,,,_..,,_.. m m -- --, r~""""'"..'..".""_. """"- ~'øsI1j;CbiÐ "~i qñ;lfi 11;'iS:Î:jl$t\1tt;\~q~~I~!) Volume of Mud (barrels) 30 MI Seal Coarse (ppb) 0 FLO~VIS Polymer (ppb) 1/4 MIX" Fine (ppb) 15 MIX II Medium (ppb) 15 I~, -=.:--:......==::::IiiiiiI......JI . . _mmll! ~.m~ . m :.I:::::' 11:'.11......- J14\~~;Ìr~,Jiti9nrp.ffl\1~.tè; lQ¥@SJC7.. Volume of Mud (barrels) 40 ;;;;;;;:;C::...;...:.:.:.:.:..i..~.:..''ifC..:...J MI Seal Coarse (ppb) 10 ",' -:'~.'.:.::=nt . FLO~VIS Polymer (ppb) 1/2 r'¡¡¡III~"""","œ MIX II Fine (PPQ) 10 MIX II Medium (ppb) 20 ......__..'1.8 . .~':=:.¡.r --." : Lø;~t,. '~J~c"lãli~Q:,;Pi!'~'(; 'y~t~'!~ø~~~, )':1'/ Volume of Mud (barrels) 50 MIX" Medium (ppb) 20 OM SEAL Coarse (ppb) 30 MIX" Fine (ppb) 10 - . Ifpossible, spot the pill across the loss zone. Apply moderate pressure (50 - 100 psi) to squeeze pill into loss zone. M-I Drilling Fluids L.L.c. 721 West First Avenue Anchorage, Alaska 99501 (907) 274-5564 (907) 279-6729 Fax ~ DRILUN[j , ..... FLUIDS ) ) Interval Summary (8 1/2" hole) A-15RD '9'~ O~ '1æ KêyProducts Mapco 200 / Versawet / Versacoat / Versa HRP / VG-69 / Versa- mod / Lime / Calcium Chloride / MI Bar / Ventrol 401 Solids Control Derrick Shale Shakers / Desilter / 518 Centrifuge Potential Problems Coal sloughing, hole cleaning, drill solids buildup ........,...... . ..!III!'-=- ""m~ - .,."-_.'.__.m..m..m..~ :'I,ri"Ø:JNâll...P¡~~I:'jj:~g: itl!:¡'~rqp':nJ.i~;s, Y Y H Depth Interval (ft) 9530-11826' Mud Weight (ppg) 8.8-9.6 Plastic Viscosity (cp.) 20 - 25 Yield HTHP Point Fluid Loss (lb/100ft2) (ml/30min) 18 - 22 4 - 5 cc' s Olw Ratio 80/20 Gels (lb/100ft2) 15 - 30 wm,rHWr-IICnmTT'I-'iC"\Lu"a-.UillwrJI('iill ~'m._' ,y-l~~"",y.........",y.~~. .... . After running and cementing 9 5/8" casing, dump and clean all surface pits. Displace cased hole volume to filtered inlet water at this time. Use OBM from K-24RD. Build additional OBM as required. See OBM mixing procedure. . Build Calcium Chloride brine spacer to pump between hole volume and oil based mud. . Displace hole to oil based mud. Insure no spacer or oil based mud is discharged. Adjust OBM as required. . Drill ahead, maintain low shear rate values with VG-69, Versamod, Versa HRP, and Mapco 200. . Run centrifuge as needed to reduce solids buildup. . Pump weighted sweeps to aid in hole cleaning. . If sloughing coal becomes a problem, add 2 - 4 ppb of Ventrol 401 to mud system or spot a concentrated pill of 20 - 25 ppb Ventrol 401 across coal zone prior to trips. . Run 7" casing. M-I Drilling Fluids L.L.c. 721 West First Avenue Anchorage, Alaska 99501 (907) 274-5564 (907) 279-6729 Fax r""f-j DRILLING , j,J,J, FLUIDS ) Interval Summary (6" hole) ~. A-15RD ,~Ø.1jI826'!_.~.~O¡Qx;..Mj- . . ~ ."..". .".« ,.::-.' h.. ........^ h.... .h..."^ Y" ~ ..~<:'.... . ~ ~.... .:""::-.~.. '" Drilling Fluid System Versadrill Oil Mud KeyProducts Mapco 200 / Versawet / Versacoat / Versa HRP / VG-69 / Versa- mod / Lime / Calcium Chloride / MI Bar / Ventrol 401 Solids Control Derrick Shale Shakers / Desilter /518 Centrifuge Potential Problems Coal sloughing, hole cleaning, drill solids buildup I",,"-"~.'~œ~r-' ---~---"._' '._"m:::=,:::~'- ~'~- , ,~, -- =~.._" ;lntèiN' . .ril\I;~~:S',;fl,i~;~.:, P;~ê:? . rtiëiŠ!i. .: Depth Interval (ft) 11826-13700' Mud Weight (ppg) 9.0-9.6 Yield HTHP Point Fluid Loss (lb/100ft2) (ml/30mln) 18 - 22 4 - 5 cc' s , -wi,-, , -- '" .'".111:-'" 111111¡-" . Plastic Viscosity (cp.) 20 - 25 OIW Ratio 80/20 Gels (lb/100ft2) .."......._-~:......~O........m)1 ,,~, ~,~ ~~.....- --..~ . After running and cementing 7" casing drill out with existing OBM. Build additional OBM as required. See OBM mixing procedure. . Drill ahead, maintain low shear rate values with VG-69, Versamod, Versa HRP, and Mapco 200. . Run centrifuge as needed to reduce solids buildup. . Pump weighted sweeps to aid in hole cleaning. . If sloughing coal becomes a problem, add 2 - 4 ppb ofVentrol401 to mud system or spot a concentrated pill of 20 - 25 ppb Ventrol 401 across coal zone prior to trips. . Run 4 1/2" slotted liner. M-I Drilling Fluids L.L.c. 721 West First Avenue Anchorage, Alaska 99501 (907) 274-5564 (907) 279-6729 Fax ~ DRILLlNCi r ¡,¡,J"JI FLUIDS ) ) Lost Circulation (8 1/2" and 6" hole) A-15RD ^ " :-: ::.« H ~111:iiOG{', Lost Circulation Recommended LCM Pill Fonnulas Problems Ke¥Products Drilling Fluid / OM Seal / SafeCarb Fine, Medium, Coarse / HRP _L'I1æ.mt""- -.- ;~'~~t...G¡QPtf.',~r"~,èfi¡i";I,::I'~I¡i;;g:~t.!l~s:~~~) , , ' , ,y~=.=,....~ d.. ~ '..h= ^ , " " , ' Volume of Mud (barrels) 30 OM Seal SafeCarb Fine (ppb) 10 ..... ~.~:T.!\\-.--"~-"'--T~"____-,,,,,_.. SafeCarb M.edium (ppb) 10 (ppb) 1/4 Versa HRP (ppb) 10 ~::.1IIC"~...'..." '~Qst..S¡i,F~;Õt:I.ã'iàD'I.'I?.i:~il:.-t o~~r~!e':'i;Ij'i~_e§):':" Volume öf Mud (barrels) 40 OM Seal SafeCarb Medium (ppb) 15 ~"':'~:=- '~I:._. SafeCarb Coarse (ppb) 10 1II,,,.m-i111118 (ppb) 15 (ppb) 1/2 "'--~." ... '~':::J( . .. ~"lJII '\~.'.á~ia!ti1:~;i¡I:I...::t!~iJ:~~.fê:.':...'-Q~~~~J- ': - ~I )i ! Volume of Mud (barrels) 50 OM Seal SafeCarb SafeCarb Medium Coarse (ppb) (ppb) (ppb) 15 20 30 Versa HRP Polymer (ppb) 1 . If possible, spot the pill across the loss zone. Apply moderate pressure (50 - 100 psi) to squeeze pill into theft zone. M-I Drilling Fluids L.L.c. 721 West First Avenue Anchorage, Alaska 99501 (907) 274-5564 (907) 279-6729 Fax DRilliNG FLUIDS 4" CHOKE LINE TO MONOPOD CHOKE MANIFOLD } ) MONOPOD A..15Rd BOP SC,HEMA TIC 5000 PSI WORKING PRESSURE - - :,.L- X X - - - HCR MANUAL SOOO PSI SM GATE VALVE ANNULAR BOP 13-5/8" 5000 PSI PIPE RAMS 13-5/8" 5000 PSI BLIND RAMS 13-5/8" 5000 PSI MUD CROSS PIPE RAMS 13-5/8" 5000 PSI RISER 13-5/8" 5000 PSI I I I MANUAL .sM GATE - VALVE- - X X---1': - .. MANUAL SM GATE VALVE FROM MUD PUMP & CEMENT UNIT ,I DSA 13-5/8" SM TO 11" SM 2" KILL LINE CIW 13-5/8" 3M X 11" 5M AP SPOOL ~TO trf' . CROWN VENT /' ~. @NSP ~ PlATE - 15. - ---"--"- GAS BUSTER '- / 10" TO SHAKER ~ "'-I'~"',-.,._.- - . -. -.. , . . .; BLOW DOWN rÞ '.'..: I:;"'.' .:. , . \' ! 10 ':4 \ I : . ..° . L;. - - n ;q (16) . . UJ u n (14) .......,./ ul u n (~2) . (13) ~- --"" ~ ~ -- ". 1LIL-~ ~--.JW 5 10 'BlOCk 11 5 lw is:S: ---"--"- '-" - Z õ ~ (8) TOCHO~I.. 4)'{\ \:, (9) PANEL I I I I I . ( 3 J ~~ (5) MANUAL I I L-~-~-~L ~L-~-~-~ 1 2 BLOCK 6 7 n - ~ ---"--"- . ---"-'- ,"-,,--Hn , .' .. . SWACO . (°)' SWACO CHOKE - : CHO~E . I , ~ ~.!.O BOPE ~ ....... .... "'-'" 8M ...... - -- CHOKE MANIFOLD I Unoeal PLATFORM RIGS 4~ I/Jo- & 3~..If)". 51.1 liSP NOTE: SWACO CHOKES . EACH HYDRAUUCALLY ACTUATED VIA RENOTF ....-............."'" ..... ....... .-......,,...........~..... ..,- Suction Lines (Monopod Pit Sytem - under fabrication) ~ 27' ~ Mud pump suction Q9 10" Mud pump suction Q910" Shaker # 2 T 17' . Shaker # 1 8" Q9 Q9 In " I = ~ [ -....J ""-..../ Centrifuge feed pump Desander pump 10" 9 Agitator 8" Q9 Total Volume: 1,838 Cuft Equalizer 10" Q9 n¡ Mud pump suction Q9 10" ~ Agitator '~' " 8" ~ ~= ""-..../ Mixing pump ) Unocal AlaSka') Union Oil Company of Califor. '. 909 West 9th Avenue, P.O. BOXì96247 Anchorage, Alaskq 99519-6247 Telephone (907) 276-7600 UNOCAL8 September 11,2001 Alaska Oil and Gas Conservation Commission 333 West 7th Avenue, Suite 100 Anchorage, Alaska 99501 Trading Bay Field, Monopod Platform Permit to Drill, Well A-15RD ADL 18731 Dear Commissioners: Union Oil Company of California (Unocal), as Operator of the Trading Bay Field, for itself and Forest Oil Corporation (Forest), hereby submits the enclosed Permit to Drill (form 10-401) along with check # 2004708 in the amount of $100.00 as required by 20 AAC 25.005 (c)(I). The specific location, interval and depth for Well A-15RD are as follows: . . Surface Location: . Top of Productive Interval: . Total Depth: 1616' FSL, 574' FEL, S4, T9N, R13W, SM 1500' FSL,2580' FEL,SI0,T9N,RI3W,SM 300' FSL,2980'FEL,S10,T9N,RI3W,SM Conservation Order #93, Rule 1, providing pool rules for the Trading Bay Field, Hemlock Oil Pool does not cover Section 10, TON, R13W, SM, the productive interval identified above. In the absence of an applicable order by the Commission, 20 AAC 25.055 (a)(l) applies. Said regulation provides that when a well is drilling for oil, a wellbore may be open to test or regular production within 500 feet of a property line only if the owner is the same and the landowner is the same on both sides of the line. At total depth, the subject well is within 300 feet of the south property line of Ad118731. Hence, because the landowner (the State) is the same and the owners (Unocal and Forest) are the same on both sides of the affected property line, an exception under 20 AAC 25.055 (a)( 1) is not necessary. If you should require additional information, please contact the undersigned at (907) 263-7882 or Mr. Bambang Rachmadi at 263-7808. ) ') We appreciate your review of the enclosed Permit to Drill and trust the enclosed is satisfactory to complete this request. Very Truly yours, ~~ Shannon W. Martin Project Landman enclosures cc: Forest Oil Corporation VENDOR NO. DATE 10-SEP-Ol 2004708 NET FOR INQUIRIES CONTACT LOCATION WHERE INVOICES WERE SUBMITTED ~- DATE INVOICE/CREDIT MEMO NO. 10-SEP-Ol DRILLPERMIT MONOPODA15RD FORM 4-28181 (REV. 11-95) PRINTED IN U.S.A. DETACH STUB BEFORE DEPOSITING CHECK - ~';,-" "",--"',".'-.-.,.."... .-'.,.... .-~,,-...--.'.- - c-,,-' ," - '- - '- " 'CITIBANK DELAWARE , A Subsidiary of Citicorp ONE PENN'S WAY NEWCASTLE,. DE 19720 1031548 VOUCHER NO. GROSS DlSCOUNT 09013000268 100.00 I TOTAL ~ 100.00 -- - - ~..~-- - 62.20 311 2004708 Union Oil Company of California Accounts Payable Field Disbursing UNOCAL8 ~(;fPay One Hundred Dollars And 00 Cents********************************* CHECK NO. 100.00 100.00 Check Amount *******100.00 STATE OF ALASKA ALASKA OIL & GAS CONSERVATION . qp~ISSIoN' .. '" 3'33WÈST":1TIÍ AvENUE .MlCHO~GE".M 9,9501 unitéd, 'Statés ",,' ,II' 20D~?DH\I" 'I:CIID'3 1. 1. 0 0 20 q.: order above date. K- 3 q 1. 1. 8 1. 3 ? 118 ') TRANSMIT AL LETTER CHECK LIST CIRCLE APPROPRIATE LETTER/PARAGRAPHS TO BE INCLUDED IN TRANSMITTAL LETTER WELLN~jvoj ~ ß /t-/ç4- CHECK 1 STANDARD LETTER DEVELOPMENT DEVELOP7MENT REDRILL J EXPLORATION INJECTION WELL INJECTION WELL REDRILL CHECK WHAT APPLIES ADD-ONS (OPTIONS) MULTI LATERAL (If api number last. two (2) digits are between 60-69) PILOT HOLE (PH) ANNULAR DISPOSAL L-)NO ANNULAR DISPOSAL <-> YES ANNULAR DISPOSAL THIS WELL ) "CLUE" The permit is for a new well bore segment of existing well --' Permit No, . API No. Production should continue to be reported as a function of the original API number stated above. . In accordance with 20 AAC 25.005(t), all records, data and logs acquired for the pilot hole must be . clearly differentiated in both name (name on permit plus PH) and API number (50 -70/80) from records, data and logs acquired for well (name on permit). Annular disposal has not been requested. . . Annular Disposal of drilling wastes will not be approved. . . Annular Disposal of drilling wastes will not be approved. . . DISPOSA2.INTO OTHER ANNULUS YES + S~~l ~C) \-~(J~ Please note that an disposal of fluids generated. . . JÐ~'i ,\..sc.\-> ~ ~ ~~~~~~~\~~ SPACING EXCEPTION ~/ Templates are located m drive\jody\templates Enclosed is the approved application for permit to drill the above referenced well. The permit is approved subject to full compliance with 20 AAC 25.055. Approval to perforate and produce is contingent upon issuance of ~ ,¡Conservrion order approving a spacing exception. al1t?~p.v (Companv Name) will assume the liability of any protest to the spacing exception that may occur. -Iß Ó¡ WELL PERMIT CHECKLIST COMPANY II Þt i ~ "JELL NAME A- L'S--- ¡E'DPROGRAM: exp - dev ~ redrll ~ serv - well bore seg _ann. disposal para req - . FIELD & POOL l£X:J1-~ INIT CLASS --:::J:::¿r:- V /6/ L GEOL AREA 82D UNIT# ø:A, ON/OFF SHORE Oçp ADMINISTRATION 1. Permit fee attached. . . . . . . . . , , . . . . . . . . . . .. 0 ~~ ~~~;~:~~~~~:~~~ri~~~b~r.'.', " " " " '. " '. " " '. " " " '. " <=Æ ~ - . 4. Well located in a defined pool.. , , , , . , , , . . , , , . , , 'lC[) . l' 4- t~ . ,t;. . ~ ..¡ cI~~ '... ~..,( ¿; 5. W'elllocated proper distance from drilling unit boundary, . ., ~. ()W"?U./'5t>ur". . /tfþ(¿~f} ~ rt, , <) /J ~~r-ð$:5 ~r/~V // ëJ -/'1/ J 6. Welll?cated proper di~tanc~ fro~ ,other ~ell# . . , . . . . . ,Y (fî) .,¡¿';t:7:>; ð-/- ,ux-¡ i t..d ~,,-(.,' tj~D ~ ~ ~~ 'ì~. Sfò+~ . 7. Suffic~ent a~eag, e avallable~ In dnlhng Unit.. , . , . . . . . .' ~... .,.,.' -.,N ,.II~. v¡....... K,- /3, Rì'::J.. 2- '''. ,":~. ,..fe.., .¿.v~~ , .sr::--l: l~., I-V 1',~ ~~~. ¡;~) . 8. If deviated, IS wellbóre plat anduded.. , . , . . . . . . . . . . . , J ~ ~ ~ 4~ 2.5 (~~~&t.-)(~) " a... ". :7~L--~~ ~~~ 9. Operator only affecte~ party.. '. . . , , . . . . , , . . , . . , . N ~ c, ~ I/"-€ ~., ~ ---.~. Z7'O( , /%.~ ¿ -&~ . A--{a..t +¿¡J I ú-.f!f;t( ~. 10. Oper~tor has ~ppropna!e bond In force:, . . . . . . . . . . . . 1N .7- z.8 ~Jði: ~;~~ Ýtj<a4-h:J.;.~~ ,~.-<..~/,~",,"'¿!> ..5l^J~Æ kR~ 11. PermIt can be Issued without conservauon order. . . . . . . . YL1t-~ lJD Ì,<J a#~~ I,,£ì:> /t-'1'ól I A~P. DATE ( 12. Permit can-be issued without administrative approval.. , . . , é£'[ D - 1,2..1,0 13. Can permit be approved before 15-day wait.. . . . . , . . . . Y@) . . ENGINEERING 14. COQductor string provided ., . . . . . . -. . . . . . . . . . . Y N") tI AK-I( . . 15. Surface casing protects all known USDWs. . .. . . . . . .. ..</.4 -¥-M~ .&c. -dJ. rl/I f .L.X,.2;-h, ~. . Þ 16. CMT vol adequate to circulate on conductor & surf csg. . . . . Y N '\ \ v '""" \1' .~ ""'L I' \ ,..'- 17. CMT vol adequate to tie-in long string to surf csg. . . . . . . . Y ~... - (\ð Q.\~ ö-..~\--o~~ Ç>~ ~~, ,,) ~ ~ 18. CM~ will co.ver all known productive horizons. . . . . . . . . . y @) ~ \~ ~þ) \::\,,~ ç-~~~~ ~~,,~~~ 19. Casing desIgns adequate for C. T, B & permafrost. . . . . . . iN, ~ (" \ 1..- 20. AdeqUatetan.kageOrreservePit.............. .," ... N ~~'?~\~.~ ~\~~~(,,~, ~.~~~~~\~ 21. If a re-drill, has a 10-403 for abandonment been approved. . . N ~Ð t..-?-<Q~ . 22. Adequate we!lbore separation proposed.. . . . . . . . . . .. . Y N 23. If diverter required, does it meet regulations. . . . . . . . . . ~. N - ~ ~ 24. Drilling .fluid program schematic & equip list adequate. . . . . . N . 25. BOPEs. do they meet regulation. . . . . . . . . . . . . . . . .~ Rt~ . ~~: ~~:k~\:~~~f~ici:~:~~~fWI~~-~3~<:'~~~. . ~S~9.. .N D "-\ ~ "', \\ L - .~~.~.' \ l ~ 28. Work will occur without operation shutdöwn. , . . . . . . . . . N ~ \""~~~'t~~ ~~ ~ço...., ~ ",,<:;)'S,'~ ~') "'~";>r 29. Is presence of H.S gas probable.. . . . . . . . . . . . . . . . y @) '\J..", Û .... ~ ~ \' ~~e- \\:1 S <è Ñs,.. Q~~"'\. ",,\~\,,, ""/ ~~~<:>.~ . 30. Permit can beissuedw/ohydrogen sulfide measures. . . .. Y@ ~~c..£. p-rc.;dv~ ¥¿V~;"'?t ~5 tA-<-#~ ~. 31. Data presented on potential overpressure zones. . . . . . . Y -~ (/ () V . 32. Seismic anal~~is of shalto~ gas zones. . . . . . . . . . . .. .i I ~N . . A~'p"",R DATE 33. Seabed condItion survey (if off-shore). . . . . . . ~u:,,:,~ IV Y N þt/ 9, Z/1.01 34. Contact name/phone for weekly progress reports [e~tory only] Y N . ANNULAR DISPOSAL35. W~.proper.cementi~9 re~s. this p~~ . t>."...~~,~\,,:,""""-\ <N:>~ \"">,,--'¡;-,'o\,,, <::>.:..:"'-"'-'> ~'è\\. <;,~, ~. ~('\\-~à,-\ (A) WI¡I contain waste an a suitable receiving zone; . . . . . . . Y N ~'V~, ~E:d ~ ,,~~ \ \~~~ ~<:>~ .~ ~'i,\\~' .~~~ .~~ APPR DATE (8) will not contaminate freshwater; or cause drilling waste. .. Y N c \ 15~, ... \\. '\.- -. l - \ '1 ,- ÞC' - L, ~ ~ tosuñace; . ~\~s. ~\ 'CJC.- ~ e ~ \~CE:'~,~m-~~ ~~~~ (C) will not impair mechanical integrity of the well used for disposal; Y N ~ ~<::.a-'- ,,~~ <=- \~~ ~ ~ \.\ ' .) (0) will not damage producing formation or impair recovery from a Y N \'~. - pool; and . (E) Will not circumvent 20 MC 25.252 or 20 MC 25.412. Y N GEOLOGY: ENGINEERING: UIC/Annular COMMISSION: ~þ.~ ~W, WM 8~s lIifJ/ð C:-ÆÞ TEM ~( t( ~ J~H A(\1U It/in/Ol . GEOLOGY Comments/Instructions: P.f~ OH L.0C5~ f<t.6\.tX(~ wiih LLnoc.ctR. L.\U) J MW D aC¥OSs: ~ ðMH- t1' ILffol wI S ,,'¡)ø\f\W u.) ho u;) Il fol)lJWtlf1 OH su.-h on at"' ~ rnÎY¥.tTLU.rn. c:\msoffice\wordian\diana\checklist (rev. 11/01/100) c 0 Z 0 -t ~ ::0 -t m Z -t J: en ). ::0 m f »