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HomeMy WebLinkAbout190-159THE MATERIAL UNDER THIS COVER HAS BEEN MICROFILMED ON.OR BEFORE. NOVEMBER 2, 2000 P M E E L E W A T E R IA L U N D ER TH IS M A.R K ER U;,":4;'"PM BP EXPLORRTIOH STATE OF ALASKA ALAS; OILAND GAS CONSERVATION COMMI5 WELL CO,,,/LETION OR RECOMPLETION REPORT A-O LOG p.2' Plug~ed ba~k for CT sidetrack "1. Status of Well ...... Classification of service Well [] Oil [-~ Gas F- Suspended [~ Abandoned [] Service .... 2, Hame of Operator ...... 7, Permit Number "' BP Exploration_ (Alaska)..I.n.c... ........... 90'159 .. 3. Address 8. APl Number P.O. Box196612, Anchorage, Alasl~ 99519-6612 50-029-22109 4. Loc,trion of well at surface .~¥j.~.~,;~'.-._:a~ 9. Unit or Lease Name 1639' SNL, 3828' WEL, SEC, 35, T12N, R12E .~[ ::~~ .~ Prudhoe Bay Unit - ~' :~-'-~¢,~ 10, Number At top of productive lateral~:'~:~';~ )- Well 2680'SNL, 2032 WEL, SEC. 27, T12N, R12E . ~~ S-31i At total depth ~i.~~ 11. Field and Pool ..... 2377' SNL, 215~3 WEL, SEC. 27, T12N, R12E I=rudhoe Bay Field/Prudhoe Say 5. El~,V'aii'~' in feet (indicate KB, OF, etc.) {6~ 'L~-e'~-~signation and Serial No. Pool _ KBE=66..5.©/ ADL 02,.8258 12. Date Spudded 113. Date T,D. Reached t 14. Date Comp., Susp., or Aband.115. Water depth, if offsh~'r~ { 16, No. of Completions 11/27/90 12/1Of g0 10/26/98 N/A MSLJ Z_ero ~?i-Tot'al DePth (MD+TVD) 118. Plug Back D~'p"th (MD+TVD)119. Directional SurveyI 20. D~pi~'~here SSSV set121, Thickness o1' Permafrosl 11430 9,1.87 F~I., 10728 8620 FTt i-lYes r-]No J~ 2144 MO! 1900'(Approx,)_- _ 2~. Type Electric or Other Logs Run 23. CA9~N(3~ .LINER AND CEMENTING RECORD ........ CASiI~G .... ~, ~I';'I;1-N, DEI~i'H HOLE S~ZE WT. PER FT. GRAD_E TOP BOTTOM SIZE CEM.EN.TJ.N.~ _RE¢_0.R..D.. AMOUNT PULLEO 2 7/8" 6.16# Conductor Surface 110 13-3/8" 72# - L-80 Surface 2?0? 17 1/2" 37~ ;" 9-5'~" 47# L-80 Surface 10~83 12.1/4" 2343.c.f. ' 7" 26# L-80 10534 11428 8-1/2" 300 c.f. ...... ~)4.' Perforations'~en to Production (MD+TVD of Top and Bottom 25, TUBING RECORD __ and interval, size and number) ......... Siz~ DEPTH ~ET (MD) PACKER SET (MD) None, Not on Production 4-1/2", 12.6#, 10571 10486' MD TVD NT19CR.80 ................... 26, ACID, FRACTURE, CEMENT SQUEEZE, ETC. .. , DEPTH INTC. RvAL'(MD) AMOUNT & KIND OF MATERIAL USED 10728-11430 1~40 c.f. cement 27. PRODUO'TION TEST Date First Pro~l'u~'ion IMethod of Operation (Fl~wing,'g'~ lift, etc.) Not on )reduction ~ N/_A !Date of Test HOurs Tested PRODUCTION OIL-BBL ~--MGF W^T~-BeL CH0~E'~'~" ..... I-~e:~iL RA~O FOR TE~T ·I . Flow Tubing 3,~sing Pressure CALCULATED e OIL-B~L G/~,M~F WATER-BEE !OIL GRAVITY-APl :Press. P4-HOUR R.AT E. ...... 28. CORE DATA Brief description of lithology, porosity, fractures, apparent dlp~ and pre~ence of oil, gas or water. ~;~mit corechips,L~ "~"'"'~.'~ "/,'., .~, . ,' ~'~i'';~'s ',on,... · Form 10-407 Rev. 07-01-80 Submit In Duplicate Geologic Markers - 30. ,-ormation Tests Measured True Vertical Include interval tested, pressure data, all fluids recovered Marker Name Depth Depth and gravity, GOR, and time of each phase. Sag 10770' 8717' Shublik A 10828' 8759' Zone 4 10967' 8859' 3'1'. List of Attachments Summary of Daily Reports 3'~. I hereby certify that the foregoing'i~ true and correct to the best of my knowledge Signed ~",~;;~,.. ~ Title Coiled Tubin~ Drillin~ IA Date ~/~ Theresa Mills , Prepared By Name/Number: Theresa Mills 564-5894 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 spaces 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 producing 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 cementing and the location of the cementing tool. ITEM 27: Method of Operation: Flowing, Gas Lift, Rod Pump, Hydraulic Pump, Submersible, Water Injection, Gas Injection, Shut-In, Other-explain. ITEM 28: If no cores taken, indicate 'none'. Form 10-407 Rev. 07-01-80 S-31 Cement Plug, Daily Operations 10/26/98 NU BOP, run lines. Test BOP. Chuck Scheve w/AOGCC waived witnessing test. Fax'd report to AOGCC Deadhorse / Anc. Offices. Bull headed 100 BBL seawater at 3.5 BPM to clean liner. R/U SWS to run Baker whipstock. RIH and had steady whipstock face of 100R at setting depth. Worked up/dwn with no change. POOH and added 6 ft of eccentered weight bar. Check tool face indicator. Bull headed 50 bbls at 5.5 BPM to reduce mung problem. RIH with eccentered wt bar added to BHA. Had steady tool face reading of 39L near setting depth. Work tool up/dwn with no change. Pump 2 BPM while moving tool. No change. POOH. SWS had to re-build second weight bar in their shop and change out a shorted adaptor. Made up second 6 ft. weight bar in BHA. 10/27/98 RIH with whipstock and 12 ft of eccentered wt bar on E-Line. Tie-in with CBL/GR. Set top of whipstock at 10,782 ft with high side at 12 deg L. POOH. R/D SWS. M/U Cement Squeeze BHA. RIH with Sqz Cmtg BHA. Tag whipstock and correct CTD. Held pre-job Safety meeting. Pump 4 BBL 17 PPG "G" neat cmt, 8 BBL Cmt with aggregate [10 PPB] and 13 BBL 17 PPG neat "G" cement. [Total of 25 BBL]. Displace CMT with seawater. Bullhead 20 BBLS cmt to perfs and circ in last 5 bbls. Hesitation Squeeze in 4 BBLS and pressure test Squeeze Cement plug to 1500 PSI. Good Test. RIH and tag firm cement at 10,766 ft. [16 ft high]. Circ. Biozan sweep to clean liner and POOH jetting GLM's. L/D Cmtg BHA. STATE OF ALASKA ....... . AL/ , OIL AND GAS CONSERVATION CC,. :SSION APPLICATION FOR SUNDRY APPROVAL Plug back for CT sidetrack~(~,~ i~ Abandon [] Suspend I~ Plugging [] Time Extension [] Perforate 1. Type of Request: [] Alter Casing [] Repair Well [] Pull Tubing [] Variance [] Other [] Change Approved Program [] Operation Shutdown [] Re-Enter Suspended Well [] Stimulate 2. Name of Operator BP Exploration (Alaska) Inc. 3. Address P.O. Box196612, Anchorage, Alaska 99519-6612 4. Location of well at surface 1639' SNL, 3828' WEL, SEC. 35, T12N, R12E At top of productive interval 2680'SNL, 2032 WEL, SEC. 27, T12N, R12E At effective depth 2405' SNL, 2142' WEL, SEC. 27, T12N, R12E At total depth 2377' SNL, 2153 WEL, SEC. 27, T12N, R12E Type of well: Development [~ Service Exploratory Stratigraphic 6. Datum Elevation (DF or KB) KBE=66.50 7. Unit or Property Name Prudhoe Bay Unit 8. Well Number S-31i 9. Permit Number 90-159 10. APl Number 50-029-22109 11. Field and Pool Prudhoe Bay Field / Prudhoe Bay Pool 12. Present well condition summary Total depth: measured true vertical Effective depth: measured true vertical Casing Structural Conductor Surface Intermediate Production Liner 11430' feet Plugs (measured) 9187' feet 11388' feet Junk (measured) 9158' feet Length Size Cemented 110' 20x30 2679' 13-3/8" 3723 cu ft Arcticset II 10755 9-5/8" 2343 cuft Class G 894 7" 300 cu ft Class G MD TVD 138 138 2707 2659 10783 8688 10534-11428 8507-9148 Perforation depth: measured true vertical 10967' - 11911' subsea8793'-9512' ORIGINAL Tubing (size, grade, and measured depth) 4-1/2" 12.6# NT13CR-80 @10571' Packers and SSSV (type and measured depth) Packer @10486' and SSSV @2144' . Oi~ &Gas~,Ons. 13. Attachments [~ Description summary of proposal ~ Detailed operations program [] BOP sketch 14. Estimated date for commencing operation 10/22/98 16. If proposal was verbally approved 15. Status of well classifications as: [] Oil [] Gas [] Suspended Service Name of approver Date approved Contact Engineer Name/Number: Ted Stagg 564-4694 Prepared By Name/Number: Theresa Mills 564-5894 17. I hereby certify that the forego~g is true and correct to the best of my knowledge Signed '""¢' ~//~ ~ Ted Staaq ~ Title Coiled Tubing Drilling Engineer ~ ~ ~/¢:;;f Commission Use Only Date /y,,z.~/~ (~ Conditions of Approval: Notify Commission~o representative ~ witness Plug integrity ~ BOP Test Location clearance I Approval N o....~ Mechanical Integrity Test Approved by order of the Commission Form 10-403 Rev. 06/15/88 Subsequent form require.~10- ~ 07 ~ 00¥~ .,,..,o' ,.,O,x~'~ '/J ~) ~rommissioner Date//~ Submit In Triplicate BP EXPLORATION BP Exploration (Alaska) Inc. 900 East Benson Boulevard P.O. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 Date' Oct. 19, 1998 To: Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 Attention: Blair Wondzell Sr. Reservoir Engineer Re: Well S-31i Prep for CT Sidetrack Well S-31i is scheduled for a through tubing sidetrack to be drilled with coiled tubing. The following summarizes the procedure required to prepare S-31i for sidetracking and is submitted as an attachment to Form 10-403. Schematic diagrams of the proposed cement squeeze and sidetrack completion are attached. 1. A mechanical integrity test has been successfully performed. 2. A Schmoo-Be-Gone treatment to remove mung from the wellbore has been performed. 2. Tubing and liner have been drifted with a 3.65" OD drift. 4. Kinley caliper has been run over the proposed whipstock interval to confirm tubing condition. 5. A mechanical whipstock will be set on e-line at approx. 10,780', within the existing Sag R. perforations. -6. Service coil will be used to downsqueeze cement to abandon existing perforations in the 7" liner. Approx. 20 bbls cement w/ aggregate will be used. A squeeze pressure of 1500 psi will be achieved and witnessed by AOGCC. Cement will then be washed out from the face of the whipstock. 7. Service coil will mill the window utilizing a flowline to the GC for all fluid and cuttings returns. Prior to milling the window the service coil BOPE will be fully tested with AOGCC witness. Ted Stagg CT Drilling Engineer cc: Well File Petrotechnical Data Center TREE: 4" ClW WELLHEAD: FMC ACTUATOR: OTIS S-31ai Proposed Completk,.. KB. ELEV = 66.50' BF. ELEV = 38.30' SSSV LANDING NIPPLE (OTIS)(3.813"ID) I 2144'1 CMT'd 13 3/8", 68#/ft, NT-80CYHE, BTRS 12708' I KOP: 2000' MAX ANGLE: 47° @ 4550' GAS LIFT MANDRELS CAMCO, 9Cr-lMo 1 1/2" RK LATCF N° MD(BKB) TVDss 5 3156' 3038' 4 5987' 5119' 3 8330' 6835' 2 10190' 8227' 1 10454' 8405' J4 1/2", 12.6#/ft, NT13Cr- 80, TDS TBG TUBING ID: 3.958" CAPACITY: 0.0152 BBL/FT 4 1/2 .... SWS" NIPPLE (PARKER) (3.813" ID) CHROME TBG & LINER TOP OF TIW LINER HANGER I10,534' J-- 9 5/8", 47#/ft, NT-80S, NSCC I 1 0,783' t~ TUBING ANCHOR 9 5/8" PACKER (TlVV) (4.00" ID) 4 1/2", 12.6 #/ft, NT13Cr-80 TAILPIPE 4 1/2 .... SWS" NIPPLE (PARKER) (3.813" ID) 4 1/2 .... SWN" NIPPLE (PARKER) (3.725" ID) 4 1/2" WLEG 110,539' I I o,ssg'l ELMD 10,562'I 2 7/8" Cemented Liner Whipstock Abandonment Cement PERFORATION SUMMARY REF LOG: SWS-BHCS- 12-14-90 ,, I ~ I~1,o3o- 11,044' ,, / 4 [11,054-11,122' /4111,132-11,190. OPEN/SQZ'D ADD PERF REPERF/11-1-91 REPERF/11-1-91 OPEN/I-7-91 fl ii ii PBTD 7", 26#/ft, NT13Cr-80 PLUGGIZC. & LOCATION CLEAk~i~CE REPORT State of Alaska ALASKA 0IL & GAS CONSERVATION COHMISSION Memcr~-ncur. 'm~ File: :-.~l I¢o. Per_= ia:a---reis - tops: .~eview the well file, and' c-_-~,ent on plugging, well head and location clearance - provide loc. clear, code. Code q F- oa.v.o STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION REPORT OF SUNDRY WELL OPERATIONS 1. Operations performed: Operation shutdown __ Stimulate X Plugging__ Pull tubing Alter casing Repair well Perforate__ Other__ 2. Name of Operator BP Exploration (Alaska) Inc. 3. Address P. 0. Box 196612, Anchorage, Alaska 99519-6612 4. Location of well at surface 1639' SNL, 3828' WEL, SEC. 35, T12N, R12E At top of productive interval 2680'SNL, 2032 WEL, SEC. 27, T12N, R12E At effective depth 2405' SNL, 2142' WEL, SEC. 27, T12N, R12E At total depth 2377' SNL, 2153 WEL, SEC. 27, T12N, R12E 5. Type of Well: Development Exploratory __ Stratigraphic Service X 6. Datum elevation (DF or KB) KBE=66.50 feet 7. Unit or Property name Prudhoe Bay Unit 8. Well number S-31i (32-27-12-12) 9. Permitnumbe#approvalnumber 90-159 / 10. APInumber 50- 029-22109 11. Field/Pool Prudhoe Oil Pool 12. Present well condition summary Total depth: measured true vertical Effective depth: measured true vertical Casing Length Size Structural -- Conductor 110' 20" Surface 2679' 13 3/8" I nterm ed late 10755 9 5/8" Production -- Liner 894 7" Perforation depth: measured 10967' - 11911' 11430' feet 9187'feet 11388'feet 9158'feet Plugs (measured) Junk (measured) Cemented 3723 cuft Arcticset II 2343 cuft Class G 300 cu ft Class G Measured depth 138 2707 10783 10534-11428 True verticaldepth BKB 138 2659 8688 8507-9148 true vertical subsea8793'- 9512' Tubing (size. grade, and measured depth) 4-1/2" 12.6# NT13CR-80 @ 10571' Packers and SSSV (type and measured depth) Packer @ 10486'and SSSV @2144' 13. Stimulation or cement squeeze summary See Attachment Intervals treated (measured) Treatment description including volumes used and final pressure 14. Prior to well operation Subsequent to operation Representative Daily Average Production or Injection Data OiI-Bbl Gas-Mcf Water-Bbl Casing Pressure 2448 Tubing Pressure 15. Attachments Copies of Logs and Surveys run Daily Report of Well Operations 16. Status of well classification as: Oil__ Gas__ Suspended__ Service Water & Gas Injector 17. I hereby certify that the,~¢egoing is true,anehcorrect to the best of my knowledge. Form 10-404 Rev 08/16/88 Date SUBMIT IN DUPLICATE WELL S-31(32-27-12-12) Stimulation Operation 3 / 2 8 / 9 5 A XYLENE Treatment was performed using the following fluids: OPERATIONS SUMMARY --. Start pumping 5 BBLS methanol and then 60°F seawater down tubing. 160 BBLS of 60° F seawater pumped away- switched to 108 BBLS of 20/80 mix of xylene/diesel. Pumping 5 BPM at 2500 psi Finish puming the xylene/diesel-switch back to 60° F seawater Finish with first Peak truck -release first truck- switch tracks Finish with second Peak truck- switch trucks- release 4/2 truck Finish with third Peak truck- switch trucks- release 4/3 truck Finish with fourth Peak truck- pump six BBLs of methanol - complete pumping operations. Pumped a total of 969 BBLS of seawater after the xylene/diesel. Rig down Peak and HB&R- Return well to injection. January 13, 1995 .istrict: Anchorage To: Alaska Oil and Gas Conservation Commission Attn. Howard Okland 3001 Porcupine Drive Anchorage, AK 99510 Tel:(907) 279-1433 ~X~ Enclosed Under separate cover From: S.D. Lemke I~, L ~,, L.. ! v ~.. ARCO Alaska, Inc. JAN 17 199b 700 G Street, ANO-1054 Alaska 011 & Gas uons. Anchorage, Alaska 99,¢9q¢horag0 Tel (907) 265-6947 Fax: (907) 263-4633 [~Via Courier Subiect: Seismic Data Selected for Retention Quantity/ 1 ea. ~ lea. ~ I each I each PBU S-31 (500292210900) Reproducible sep/a mylar well logs Blueline pre fold well logs Descril3tion Tract operation well data Dual Induction SFL/phasor 2" & 5"( 2 logs) Chronological Sample Taker Compensated neutron litho-density 2" & 5" (2 logs) Open reel 9 track digital well Io~I curves DITE/LDT/CNL/AMS/GR 2630'-9640'; log date 12-11-90 format= LIS, 1600 BPI Core Analysis report- PBU S-31 by Core Labs, January 4, 1990 Note - Please ver~ and. acknowledge receipt, by signing and returning a copy of this transmittal. · ~ I Date ,/_//~ ._~,~.__ S~gned by eceived by Date Remarks cc: M. McDermott; Meg Kramer STATE OF ALASKA ALAS~'~'31L AND GAS CONSERVATION COMMISSIC'--- REPORT OF SUNDRY WELL OPEilATIONS 1. Operations performed: Operation shutdown Stimulate Plugging Pull tubing Alter casing Repair well __ Perforate X Other 2. Name of Operator BP Exploration (Alaska) Inc. 3. Address P. 0. Box 196612, Anchorage, Alaska 99519-6612 5. Type of Well: Development Exploratory Stratigraphic 4. Location of well at surface 1639' SNL, 3828' WEL, SEC. 35, T12N, R 12E At top of productive interval 2680'SNL, 2032 WEL, SEC. 27, T12N, R12E At effective depth 2405' SNL, 2142' WEL, SEC. 27, T12N, R12E At total depth 2377' SNL, 2153 WEL, SEC. 27, T12N, R12E 6. Datum elevation (DF or KB) KBE=66.50 feet 7. Unit or Property name Prudhoe Bay Unit 8. Well number S-31i (32-27-12-12) 9. Permit number/approval number 90-159 / 10. APl number 50- 029-22109 11. Field/Pool Prudhoe Oil Pool 12. Present well condition summary Total depth: measured true vertical Effective depth: measured true vertical 11430' feet 9187' feet 11388' feet 9158' feet Casing Length Size Structural -- Conductor 110' 20" Surface 2679' '3 3/8" I nte rmediate 10755 9 5/8" Production -- Liner 894 7" Perforation depth: measured 10967'- 11911' Plugs (measured) Junk (measured) Cemented 3723 cuft Arcticset Ii 2343 cu ft Class G 300 cu ft Class G Measured depth 138 2707 10783 10534-11428 True ve~icaldepth BKB 138 2659 8688 8507-9148 true vertical subsea8793'-9512' Tubing (size, grade, and measured depth) 4-1/2" 12.6# NT13CR-80 @ 10571' Packers and SSSV (type and measured depth) Packer @ 10486' and SSSV @2144' 13. Stimulation or cement squeeze summary See Attachment RECEIVE5 Intervals treated (measured) Treatment description including volumes used and final pressure 14. Prior to well operation Subsequent to operation Representative Daily Average Production or Injection Data OiI-Bbl Gas-Mcf Water-Bbl Casing Pressure .. 12941 Tubing Pressure .. 2303 15. Attachments Copies of Logs and Surveys run Daily Report of Well Operations 16. Status of well classification as: Oil Gas Suspended Service Water & Gas Injector 7. I hereby c,ertify that the forego~g is true and correct to the best of my knowledge, S~gned ...~t~.,-~,~ ~ Title Senior TechnicalAssistant I Form 10-404)Rev 06/15/88 /~ - Date (~/,~1/ SUBMIT IN DI~'pLICATE WELL S-31i(32-27-12-12) ADDPERF 08~7~3 fjh 6/21/94 The following additional interval were perforated using 3 3/8" guns, 6 SPF, random orientation and 60° phasing. 10785' - 10825' MD RECEIVEE, ALASKA OIL & GAS CONSERVATION COMMISSION Attn. LARRY GRANT 3001 PORCUPINE DR. ANCHORAGE AK, 99501. USA Date: 11 May 1994 RE: Transmittal of Data Sent by: ANCHORAGE XPRES Dear Sir/Madam, Enclosed, please find the data as described below: WELL # DESCRIPTION 3-43/P-36 (SDI) 3-43/P-36 (SDI) FINAL 1 SBT/GR/CCL RF SEPIA PFC/GR/CCL FINAL BL / 1 PFC/GR/CCL RF SEPIA ECC No. Run ~ 1 6192.01 Run # 1 S-31 ~-~L INJPROF. FINAL BL ~ 1 PL INJPROF. RF SEPIA RunS# '1 6192.'02 Run ~ 1 D-il Run # 1 5188.01 Run ~ 1 A-9 .. B-12 1PL GASENTRY FINAL BL' Run ~ 1 PL GASENTRY RF SEPIA Run # 1 Run # 1 Run # 1 Run # 1 Run · X-29 (21-12-10-13) C-29 ..,~?P~'C/GR/Cer. ~'INAL ~r. PFC/GR/CCL RF SEPIA ~ CN/GR FINAL BL 1 CN/GR FINAL RF SEPIA Run ~ 1 Run Run # 1 - Run # 1 B-21 (12-31-11-14) 1PL STATIC FINAL BL PL STATIC RF SEPIA. ~CN/GR FINAL BL' 1 CN/GR FIN3~ 1:~ SEPIA Cont/ ~--CN/GR FINAL BL Run # 1 ~1 CN/GR FINAL RF SEPIA Run # 1 5617.06 5694.03 5791.02 6139.04 2352.02 5718.04 BP EXPLORATION BP Exploration (Alaska) Inc. 900 East Benson Boulevard RO. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 DATE: 09/07/93 T# 84979 BPX/PBU~OGS Enclosed is your copy of the materials listed below. If you have any questions, please contact BP Well Records at (907) 564-4004. B-19~O~ CNL/~ 08/26/93 #i c-i43~- qi~TUBING CUTTER~C~08/27/93 ~1 E-23~-%%S ~UBING CUTTER)CCU08/27/93 ~i H-24~k%-%O~ CNL)~ 08/25/93 #1 s-31q0-15q ~ERF)(~-'C~(~ 08/27/93 #1 x-16~%-~Z CNL~ 08/25/93 ~1 Y-13 ~%-%%~PERF~e~[~ 08/27/93 ~1 9030 00- 9674.00 ATLAS 5 " 9800 10030 9550 10680 10160 10280 00- 9970.00 ATLAS 5 " 00-10210.00 ATLAS 5 " 00- 9870.00 ATLAS 5 " 00-10900.00 ATLAS 5 " 00-10586.00 ATLAS 5 " 00-10480.00 ATLAS 5 " Information Control Well Records AL~oKA OIL AND GAS CONSERVATION COMMISS~.I REPORT OF SUNDRY WELL OPERATION 1. Operations performed: Operation shutdown __ Pull tubing Stimulate Plugging Alter casing Repair well 2. Name of Operator BP Exploration (Alaska) Inc. 3. Address P. 0. Box 196612, Anchorage, Alaska 99519-6612 4. Location of well at surface 1639' SNL, 3828' WEL, SEC. 35, T12N, R12E At top of productive interval 2680'SNL, 2032 WEL, SEC. 27, T12N, R12E At effective depth 2405' SNL, 2142' WEL, SEC. 27, T12N, R12E At total depth 2377' SNL, 2153 WEL, SEC. 27, T12N, R12E 12. Present well condition summary Total depth: measured true vertical Effective depth: measured true vertical 5. Type of Well: Development Exploratory Stratigraphic Service X 11430' feet Plugs (measured) 9187' feet 11388' feet Junk (measured) 9158' feet Perforate__ Other._~_ 6. Datum elevation (DF or KB) KBE=66.50 feet 7. Unit or Property name Prudhoe Bay Unit 8. Well number S-31i(32-27-12-12) 9. Permit number/approval number 90-159 / 10. APl number 50- 029-22109 11. Field/Pool Prudhoe Oil Pool Casing Length Size Cemented Structural -- Conductor 110' 20" Surface 2679' '3 3/8" 3723 cuft Arcticset II Intermediate 10755 9 5/8" 2343 cu ft Class G Production -- Liner 894 7" 300 cuft Class G Perforation depth: measured 10967' - 11911' Measured depth 138 27O7 10 783 10534 - 11428 True vertical depth BKB 138 2659 8688 850~9148 truevertical subsea8793'- 9512' Tubing (size, grade, and measured depth) 4-1/2" 12.6# NT13CR-80 @ 10571' Packers and SSSV (type and measured depth) Packer @ 10486' and SSSV @2144' 13. Stimulation or cement squeeze summary Intervals treated (measured) 12/22/92Converted well to WAG(Water & Gas Injector) Injeqti. on_,_ .~as.~a Oil & Gas Cons, Cornmi Anchorag~ Treatment description including volumes used and final pressure 14. Prior to well operation Subsequent to operation Representative Daily Average Production or Injection Data OiI-Bbl Gas-Mcr Water-Bbl Casing Pressure N/A N/A N/A N/A N/A NIA NIA N/A Tubing Pressure N/A N/A 15. Attachments Copies of Logs and Surveys run Daily Report of Well Operations __ 16. Status of well classification as: Oil Gas Suspended 17. I hereby c.ertify that the foreg, oing is,,true and correct to the best of my knowledge. Signed Form 10-406 Rev 06/15/88 / Service Water & Ga~ Injector sioD Date ..§',,/',~ 7/~."~' J SUBMIT IN DU~LIC/ATE ~ STATE OF ALASKA AL, .¢KA OIL AND GAS CONSERVATION COMMIS,S,t. N REPORT OF SUNDRY WELL OPERATIONS 1. Operations performed: Operation shutdown Pull tubing . Stimulate × Plugging Perforate X Alter casing Repair well Other 2. Name of Operator BP Exploration (Alaska) Inc. 3. Address P. O. Box 196612, Anchorage, Alaska 99519-6612 4. Location of well at surface 1639' SNL, 3828' WEL, SEC. 35, T12N, R12E At top of productive interval 2680'SNL, 2032 WEL, SEC. 27, T12N, R12E At effective depth 2405' SNL, 2142' WEL, SEC. 27, T12N, R12E At total depth 2377' SNL, 2153 WEL, SEC. 27, T12N, R12E 5. Type of Well: Development X Exploratory Stratigraphic Service RE ,EIV£D D £C 1 4 199 Alaska 0il & Gas Cons. 6or~m~ss~o~ Anchorage 6. Datum elevation (DF or KB) KBE=66.50 feet 7. Unit or Property name Prudhoe Bay Unit 8. Well number S-31(32-27-12-12) 9. Permit number/approval number 90-159 / 10. APl number 50- 029-22109 11. Field/Pool Prudhoe Oil Pool 12. Present well condition summary Total depth: measured true vertical 11430'feet Plugs (measured) 9187'feet Effective depth: measured 11388'feet Junk (measured) true vertical 9158feet Casing Length Size Cemented Structural -- Conductor 110' 20" Surface 2679' 13 3/8" 3723 cuft Arcticset II Intermediate 10755 9 5/8" 2343 cuft Class G Production -- Liner 894 7" 300 cu ft Class G Perforation depth: measured 10967' - 11911' Measured depth 138 27O7 10783 10534-11428 True vertical depth BKB 138 2659 8688 8507-9148 true vertical subsea8793'- 9512' Tubing (size, grade, and measured depth) 4-1/2" 12.6,¢ NT13CR-80 @10571' Packers and SSSV (type and measured depth) Packer @ 10486' and SSSV @2144' 13. Stimulation or cement squeeze summary See Attachment Intervals treated (measured) Treatment description including volumes used and final pressure 14. Prior to well operation Subsequent to operation Repre.sentative Daily Average Production or Injection Data OiI-Bbl Gas-Mcf Water-Bbl Casing Pressure 1080 2012 90 1920 3700 -"~' 1565 890 1070 Tubing Pressure 24O 2O3 15. Attachments Copies of Logs and Surveys run Daily Report of Well Operations 16. Status of well classification as: Oil X Gas Suspended Service 17. I hereby ce¢ify that the_ foregoioc~-is the best of my knowledge. '~'~. Signed ~~/!~:~/~.~, ('--_/// £¢"~fp,~q/ Title Senior TechnicaIAssistant/ Form 10-4~0-4 [~ev Date /~//// / SUBMIT IN DUISLI(~ATE ,WELL S-31(32-27-12, r12) REPERF/FRAC The following interval were reperforated on 11/01/91 using 3 3/8 guns with 6 shot density, random orientation and 60 phasing. 10967'- 10991' MD 11001' - 11030' MD Performed hydraulic fracture on 11/23/91 pumped 50000#16/20 FLUIDS: 30 bbls 50# Gel Prepad to Establish Rate 391 bbls 50# X-Link Gel Pad W/8% ESL 405 bbls 50# X-Link Gel W/50,000# 16/20 Carbolite 276 bbls 20# Gel Flush to over displace C1 to formation 90 bbls Diesel to PT Lines and Freeze Protect Performed hydraulic fracture #2 on 11/24/91 pumped 136,000# 15/20 CL and 54,000# of 12/18 RCP was pumped. FLUIDS: 30 bbls 50# Gel Prepad to Establish Rate 391 bbls 50# X-Link Gel Pad W/ 8% ESL 883 bbls 50# X-Link Gel W/16/20 CL and 12/18 RCP 166 bbls 20# Gel Flush 150 bbls Diesel to PT Lines and Freeze Protect 10/08/92 fjh BP EXPLORATION BP Exploration (Alas~,) Inc.. 900 East Benson Boulevard I~D. Box 196612 Anchorage. Alaska 99519-6612 (907) 581-5111 DATE: 11/07/91 T~ 82983 BP CASED HOLE FINALS Enclosed is your copy of the materials listed below. If you have any quesuions, please contact BP Well Records at (907) 564-4004. 10/17/91 10/27/91 #1 10/24/91 #! 10/13/91 10/30/91 #1 10/30/91 #1 11/01/91 #1 10/31/91 Infom~tion Control Well Records Adrian J. Martin 10150.00-10688.00 ATLAS 5 " I0335.00-i0700.00 ATLAS 5 " 2300.00- 9295.00 ATLAS 5 " 11750..00-12410.00 ATLAS 5 " 10400.00-10736.00 ATLAS 5 " 13700.00-13890.00 ATLAS 5 " 10850.00-11308.00 ATLAS 5 " 2300.00- 9292.00 ATLAS 5 " 10600.00-10970.00 ATLAS 5 " 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 [] SERVICE [] 2. Name of Operator 7. Permit Number BP Exploration 90-159 3. Address 9. APl Number P. O, Box 196612, Anchorage, Alaska 99519-6612 5o- 029-22109 4. Location of well at surface ~). Unit or Lease Name 1639' SNL, 3828' WEL, SEC. 35, T12N, R12E .~ L.~:~ ~__: ....... ~ -~ .... : .......... Prudhoe Bay Unit ~ [~C~CATJON,S 10. Well Number At Top Producing Interval At Total Depth .... .'i:,'~ -C'".~ i~ !' Prudhoe Bay Field/Prudhoe Bay Pool 5. Elevation in feet (indicate KB, DF, etc.) ~6. Lease Designation and Sedal No. 66.5' KBE I ADL 28258 12. Date Spudded 13. Date T.D. Reached 14. Date Comp., Suep. or Aband. ~15. Water Depth, il oftsho re 116. No. of Completions 11-27-90 12-10-90 01-08-91I N/A feet MSL I ONE 17. Total Depth (MD+TVD) 18. Plug Back Depth (MD+TVD: 19. Directional Survey 120. Depth where SSSV set 121. Thickness of Permafrost 11430'MD/9187'TVD 11588'MD/9158'TVD YES [] NO []I 2144feet MD J 1900' 22. Type Electric or Other Logs Run DIi_/GR, sidewall cores 23. CASING, LINER AND CEMENTING RECORD SEI'TING DEPTH MD CASING SIZE WT, PER FT. GRADE TOP Bo'FrOM HOLE SIZE CEMENTING RE(::X:)RD AMOUNT PULLED 20" Cond. Surface 110 13-3/8" 6811 L-80 Surface 2707 17-1/2" 3723 cuft Arctic'set II 9-5/8" 4711 L-80 Surface 10783 12-1/4" 2343 cuft Class G 7" 1711 NT-80 10534' 11428 8-1/2' $00 cuft Class G 24. Perforations open to Production (MD+TVD of Top and Bottom and 25. TUBING RECORD interval, size and number) SIZE DEPTH SET {MD) PACKER SET {MD) Atlas 3-3/8" @ 4 spf 4-1/2" 12.6tt 10571' 10486' MD TVDSS N T I $CR-80 10967'- 11991 ' 8793'- 9512' 26. ACID, FRACTURE, CEMENT SQUEEZE, ETC. DEPTH INTERVAL (MD) AMOUNT & KIND OF MATERIAL USED 13-3/8"X 9-5/8" Downsqueezed annulus with 150 bbls Dry Crude 27. .. PRODUCTION TEST Date First Production IMethod of Operation (Flowing, gas lift, etc.) Date of Test Hours Tested PRODUCTION FOR DIL-BBL GAS-MCF /VATER-BBL CHOKE SIZE IGAS-OIL RATIO TEST PERIOD II~ Flow Tubing Casing Pressure CALCULATED=~. OIL-BBL GAS-MCF WATER-BBL OIL GRAVITY-APl (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. Form 10-407 Rev. 7-1-80 CONTINUED ON REVERSE SIDE Submit in duplicate 29. 30. GEOLOGIC MAF~ERS FORMATION TESTS NAME Include interval tested, pressure data, all fluids recovered and gravity, MEAS. DEPTH TRUE VERT. DEPTH GOR, and time of each phase. !Sag 10770' 8717' Shublik A 10828' 8759' Zone 4 10967' 8859' , - . : 31. LIST OF ATTACHMENTS 32. I hereby certify that the foregoing is true and correct to the best of my knowledge Signed ~~~'- TitlePBULeadEno_/neer Date ,~/~ ~//~/ 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 iniection, 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 spaces 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 producing 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". Form 10-407 Western Atlas International ' A L;~on/Dresser Company CORE LABORATORIES ARCO ALASKA, INC. CORE ANALYSIS REPORT PBU S-31 KUPARUK RIVER UNIT NORTH SLOPE, ALASKA CL FILE NO. BP-3-1381 RECEIVED JAN 17 1995 Alaska 0il & Gas Cons. Commission Anchorage Performed by' Core Laboratori es 8005 Schoon St. Anchorage, AK 99518 (907) 349-3541 Final Report Presented January 4, 1990 These analysis, opinions or interpretations are based on observations and materials supplied by the client to whom, and for whose exclusive and confidential use, this report is made. The interpretations or opinions expressed represent the best judgement of Core Laboratories (all errors and omissions excepted); but Core Laboratories and it's officers and employees assume no responsibility and make no warranty of representation as to the productivity, proper operations, profitability of any oil, gas or other mineral well or formation in connection with which such report is used or relied upon. 8005 Schoon Street, Anchorage, Alaska 99518-3045, (907) 349-3541, Fax (907) 344-2823 INTRODUCTION Core Laboratories was requested to perform a sidewall core analysis study on behalf of Arco Alaska, Inc. for samples recovered from the well PBU S-31, North Slope, Alaska. Presented herein are the results of this study. Percussion sidewall cores were submitted. A service description with methodology is presented in section 1. The sidewall core analysis results are presented in section 2. We sincerely appreciate this opportunity to be of service and hope this data prove beneficial in your development efforts. TABLE OF CONTENTS Section 1 SIDEWALL CORE ANALYSIS, SERVICE DESCRIPTION AND METHODOLOGY 2 SIDEWALL CORE ANALYSIS, TABULAR RESULTS SECTION I SIDEWALL CORE Fi el d Procedures Core Laboratories was not represented at the wellsite. Fifteen percussion sidewall samples arrived at Core Laboratories' Anchorage facility in December, 1990. All samples were shipped air freight. Core Processing Sample Preparation Dean-Stark Sidewall Samples Thirteen samples were selected for Dean-Stark analysis. They were first cleaned of drilling mud and cut into shapes approximating right cylinders. The samples were then weighed, placed in thimbles, and loaded into the Dean Starks. The remaining samples were not suitable for analysis. Analysis Techniques Dean-Stark Fluid Saturation Measurements Water was extracted from the sidewall samples by Dean-Stark technique using toluene. Samples were left in Dean-Stark for 24 hours. Recovered waters were measured and the samples were placed in toluene for five days to extract the hydrocarbons. Extracted samples were dried in a convection oven at 220 degrees F. for a minimum of 24 hours, and cooled in a desiccator to room temperature before porosity and permeability were measured. Saturations by Dean-Stark methods were calculated using Equations 1 and 2. So = [((W1 - W2 - H20)/Do)/Vpl x 100 Sw: [H20/Vp] x 100 (1) (2) Where: So = Oil Saturations, Percent Sw = Water Saturation, Percent W1 = Natural Weight W2 = Extracted and Dried Weight H20: Extracted Water, Density Assumed 1.0 gm/cc Do : Density of Oil Vp : Pore Volume Grain Density Grain volume determinations were performed according to Boyle~s Law utilizing the Extended Range Helium Porosimeter. Grain density was calculated using Equation 3. Dg : Mg/Vg (3) Where: Dg = Grain Density Vg = Grain Volume Mg = Grain Mass Atmospheric Porosity The samples were measured for bulk volume by mercury displacement at ambient conditions. Porosity was calculated using Equation 4. P: [(Vb-Vg) / Vb)] x 100 (4) Where: P = Porosity, Percent Vb = Bulk Volume Vg = Grain Volume Atmospheric Permeability to Air Samples were loaded into a Hassler type core holder at a confining pressure of 200 psig. Permeability calculations were performed as defined by Darcy's Equation for compressible fluids, Equation 6. K~ Pa x v x 1000 (P1 - P2)(P1 + P2) 2 QaxLxL X Vb (6) Where: K = Permeability v = Gas Viscosity P1 - P2 : Differential Pressure P1 + P2 = Mean Pressure Pa = Atmospheric Pressure Qa = F1 ow Rate L = Length Vb : Bulk Volume Special Conditions And Interpretations Two samples were too small and broken to do a Dean Stark analysis on. Three samples were badly broken and thus unsuitable for permeability measurements. Other measurements were, however, not affected by the breaks. The table below identifies the above mentioned samples. Sample # Depth Excluded Analysis 4 7652.1 All 7 8003.1 Permeabi 1 i ty 10 8032.1 All 11 8057.1 Permeabi 1 i ty 13 8062.0 Permeabi 1 i ty Sample Disposition The samples are currently stored at Core Laboratories in Anchorage awaiting shipping instructions from ARCO. DEAN-STARK ANALYSIS RESULTS Company Well ARCO ALASKA, INC. S-31 ANALYTICAL CORE PROCEDUR LABORATORIES Field : PRUDHOE BAY UNIT Formation : KUPARUK ES AND QUALITY File No.: BP-3-1405 Date : 29:DEC-90 ASSURANCE HANDLING & CLEANING ANALYSIS Core Transportation Solvent Extraction Equipment Extraction Time Drying Equipment Drying Time Drying Temperature : AIR FREIGHT : TOLUENE : DEAN STARK : 24 HOURS : CONVECTION OVEN : 48 HOURS : 220 DEG. F. Grain volume measured by Boyle's Law in a matrix cup using He Bulk volume by Archimedes Principle Water saturations by Dean Stark Oil saturations by weight difference in Dean Stark Dean Stark grain densities clean, dry solid mineral phase are measured CORE LABORATORIES Company : ARCO ALASKA, INC. Wel 1 : S-31 Location : 27-12N-12E UM,Fr NE cDr 2340'S 2125'W(BHL) Co,State : NORTH SLOPE, ALASKA ~I~EV"//tLL C 0 R E A N Field : PRUDHOE BAY UNIT Formation : KUPARUK Coring Fluid : Elevation : ALYS I S RESULTS File No.: BP-3-1405 Date : 2g-'DEC-gO API No. : Analysts: PLB SAMPLE NUMBER DEPTH ft PERMEABILITY (HORIZONTAL) Kair md POROSITY (HELIUM) SATURATION (PORE VOLUME) OIL WATER % % GRAIN DENSITY gm/cc DESCRIPTION 1 2 3 4 6 7 8 9 10 11 12 13 14 15 7607.1 7614.0 7622.0 7652.1 7684.0 7694.0 8003.1 8006.0 8017.1 8032.1 8057.1 8061.0 8072.1 8076.9 8162.0 57.8 337. 659. 17.4 76.8 96.0 111. 31.7 20.9 44.3 26.6 13.5 77.9 2.67 27.7 29.8 63.6 2.65 28.5 27.6 67.5 2.64 28.1 23.7 76.0 2.63 28.8 13.1 82.2 2.63 30.5 30.0 67.9 2.62 31.0 32.6 63.6 2.64 30.1 32.6 63.5 2.62 27.1 19.5 78.7 2.64 27.6 3.7 95.2 2.65 29,9 12.5 86.6 2.64 29.8 20.0 74.8 2.64 29.8 11.5 81.7 2.67 MOST-ltgy,sdy,vf-fgr ang qtz,sft,mod fri SS-vltgy,fgr,wsrtd,ang,vfri,cly mtrx,qtz SS-vltgy,fgr,wsrtd,ang,vfri,cly mtrx,qtz SS-ltgy,vf-mgr,pred fgr,mod srtd,sbrnd-ang,vfri,qtz,musc SS-vltgy,fgr,wsrtd,ang,vfri,cly mtrx,qtz,frac SS-vltgy,fgr,wsrtd,ang,vfri,cly mtrx,qtz,tr blk bit SS-vltgy,vfgr,vwsrtd,sbrnd-ang,mod fri,qtz,occ glau,tr ltgy cly SS-vltgy,vf-fgr,wsrtrd,sbrnd-ang,mod fri,qtz,occ glauc,tr ltgy cly SS-vltgy,vfgr,occ fgr,wsrtd,sbrnd-ang,mod fri,qtz,ltgy cly,tr glau SS-vltgy,vfgr,occ fgr, wsrtd sbrnd-ang,vfri,qtz,occ musc,tr glau SS-vltgy,vfgr,vwsrtd,sbrnd-ang,mod fri,qtz,ltgy cly,tr musc SS-vtlgy,vfgr,vwsrtd,sbrnd-ang,mod fri,qtz,ltgy cly,tr musc SLTST-ltgy,occ vfsd,sli fri,qtz,ltgy cly,tr musc SS-ltbrngy,vfgr,vwsrtd,sbang,mod fri,qtz,ltgy cly,tr musc,tr glau SS-ltgy,vfgr,vwsrtd,sbang,vfri,qtz 1 - 1 BP EXPLORATION (ALASKA), INC. DAILY DRILLING REPORT: PRUDHOE BAY UNIT As of 0600 Hrs. Wednesday. November 28, 1990 WELL: $-~1 (32-27-12-12'} APl No. 50-029-22..109 Day: 1 Depth at 0600 Hrs. = 24 Hour Footage = 1,036 Ft. 926 Ft. Rig: AFE Number: AFE Amount = Current Costs = Estimated Final Cost = Nabors Rig #18-E 125346 Current Operation: RIH with 17-1/2" bit. Summary_ of Last 24 Hours: Accepted rig at 0900 hours on 11/27/90. Spudded well at 1500 hours on 11/27/90. riser, mixed spud mud. Drilled 17-1/2" hole to 1036'. Nippled up Mud 'l'_voe Mud Weight Viscosity Spud 9.2 #/gal 168 Sec. Survey ~ Angle i r.D. jLe..Cjj.~ TVD P V YP ELuJ.d_[.g_,s~ Solids · Temo '- 21 47 11.2 cc' 5.5% '~!:;'i..53 °E-'~ , N-S E-W boa Lea -- _ Section Coordinate Coordinate °/100' RECEIVED. Alaska Oil & Gas Cons. Comrnission Anchorage Reviewed By: BP EXPLORATION (ALASKA), INC. DAILY DRILLING REPORT: PRUDHOE BAY UNIT As of 0600 Hrs. Thursday. November 29. 1990 50-029-22109 Day: 2 Depth at 0600 Hrs. = 24 Hour Footage = 2,450 Ft. 1,414 Ft. Rig: AFE Number: AFE Amount = Current Costs = Estimated Final Cost = Nabors Rig #18-E 125346 .Current Operation' Drilling 17-1/2" hole. Summary_ 0f Last 24, Hours' Drilled and surveyed 17-1/2" hole to 2450'. Mud Type .Mud Weight Viscosity Spud 9.8 #/gal 166 Sec. P V YP EJ~ Solids .~ 23 43 10.8 cc 11% 46 °F Survey Depth Angle TVD N-S E-W Dog Leg Section Coordinate Coordinate "/100' Reviewed By' dh BP EXPLORATION (ALASKA), INC. DAILY DRILLING REPORT: PRUDHOE BAY UNIT As of 0600 Hrs. E_riday. November 30. 1990 WELL: S-31, (32-27-12-12) APl No. 50-029-22109 Day: 3 Depth at 0600 Hrs. = 24 Hour Footage = 2,727 Ft. 277 Ft. Rig: AFE Number: AFE Amount = Current Costs = Estimated Final Cost - Nabor$ Rig #18-E 1 25346 Current Operation' Nipple up BOPE. Summary_ of Last_ 2..4 Hours: Ddlled and surveyed 17-1/2" hole to 2727'. Ran and cemented 13-3/8" casing to 2708'. Mud Type Mud Weight Spud 9.8 #/gal Viscooty P V YP 125 Sec. 1 9 37 EJuJ.d..[,~ Solids 1011.6 cc 10% 46 OF Survey ~ Angle N-$ E-W Coordinate Coordinate Dog Leg o/100' Reviewed By: dh BP EXPLORATION (ALASKA), INC. DAILY DRILLING REPORT: PRUDHOE BAY UNIT As of 0600 Hrs. Monday. December 3. 1990 WELL: S.-31,. (32-27-12-12), APl No. 50-029-22109 Day: .6_ Depth at 0600 Hrs. = 72 Hour Footage = 5.700 Ft. 2,953 Ft. Rig: AFE Number: AFE Amount = Current Costs = Estimated Final Cost = Nabors Rig #18-E ,1 25846 Current Oper. ation: Drilling 12-1/4" hole. Summary of Last 72 Hours: Drilled out cement inside the 13-3/8" casing. Drilled the 12-1/4" hole to 5443'. Retrieved parted drillpipe at 2842'. Drilled the 12-1/4" hole to 5700'. Mud Type Low solids Survey Depth Mud Weiaht Viscosity P V YP ~ Solids -- 9.5 Cf/gal 42 Sec. 8 7 8.4 cc 8.5% N-S E-W Anale Direction TVD Section Coordinate Coordinate '['emo 71 OF Dog Leg o/100' Reviewed By: BP EXPLORATION (ALASKA), INC. DAILY DRILLING REPORT: PRUDHOE BAY UNIT As of 0600 Hrs. Tuesday. December 4. 1990 WELL: S-31 (32-27-12-12) APl No. 50-029-22109 Day: Z Depth at 0600 Hrs. -- 24 Hour, Footage = 6,600 Ft. 900 Ft. Rig: AFE Number: AFE Amount = Current Costs = Estimated Final Cost = Current Operation' Drilling 12-1/4" hole. Summary_. of Last 24 Hours: Drilled 12-1/4" hole to 6600'. Nabors Rig Cf18-E 125346 Mud Type Mud Weight ~ Low Solids 9.5 Cf/gal 44 Sec. P. V, .YP. Fluid Loss Solids Temp 8 1 0 7.6 cc 9% 74 °F Survey Depth Angle Direction TVD N-$ E-W Dog Leg Section Coordinate Coordinate ?/100' Reviewed By' .~- ,¢ BP EXPLORATION (ALASKA), INC. DAILY DRILLING REPORT: PRUDHOE BAY UNIT As of 0600 Hrs. Wednesday. December 5. 1990 WELL: S-31 (32-27-12-12) APl No. 50-029-22109 Day: 8 Depth at 0600 Hrs. = 24 Hour Footage = 7,960 Ft, 1,360 Ft. Rig: AFE Number: AFE Amount = Current Costs = Estimated Final Cost = .Nabors Rig #18-E _17R346 .Current Operation' Drilling ahead in 12-1/4" hole. .Summary of Last, 24 Hours: Drilled the 12-1/4" hole to 7960'. Mud Tv.De Mud Weight Viscosity Low Solids 9.7 fi/gal 43 Sec. P V YP Fluid Loss Solids Temp 11 6 7.2 cc 10% °F Survey Deptl~ Angle Direction TVD N-S E-W Dog Leg Section Coordinate Coordina, te 0/100' Reviewed By' ,.~'.,~ BP EXPLORATION (ALASKA), INC. DAILY DRILLING REPORT: PRUDHOE BAY UNIT As of 0600 Hrs. Thursday, December 6. 1990 WELL: S-31 (32-27-12-12) APl No. 50-029-22109 Day: 9 Depth at 0600 Hrs. = 24 Hour Footage = 8,737 Ft. 777 Ft. Rig: AFE Number: AFE Amount = Current Costs = Estimated Final Cost = Nabors Rig #18-E 125346 Current Operation' POH. Summary of Last 24 Hours: Drilled the 12-1/4" hole to 8737'. Mud Type Low Solids Mud Weiaht 9.7 #/gal Viscosity 42 Sec. P V YP. Fluid Loss Solids Temp 6 7 6.8 cc 10.5% 76 °F Survey Depth Angle Direction N-S E-W Dog Leg TVD Section Coordinate Coordinate °/100' Reviewed By' ,~5- .,~" BP EXPLORATION (ALASKA), INC. DAILY DRILLING REPORT: PRUDHOE BAY UNIT As of 0600 Hrs. Friday, December 7. 1990 WELL: S-31 (32-27-12-12) APl No. 50-029-22109 Day: 1 0 Depth at 0600 Hrs. = 24 Hour Footage = 9,300 Ft. 563 Ft. Rig: AFE Number: AFE Amount -- Current Costs = Estimated Final Cost = Nabors Rig Cf18-E 125346 Current Operation: Drilling. Summary of Last 24 Hours: Drilled the 12-1/4" hole to 9300'. Mud Type Low Solids Mud Weight 9.8 #/gal Viscosity 42 Sec. P V .YP Fluid Loss Solids Temp 8 7 6.0 cc 11% 14 °F Survey Depth Angle N-S E-W Dog Leg TVD Section Coordinate Coordinate °/100' Reviewed By: BP EXPLORATION (ALASKA), INC. DAILY DRILLING REPORT: PRUDHOE BAY UNIT As of 0600 Hrs. Monday. December 10. 1990 WELL: $-31 (32-27-12-12) APl No. ~0-029-22109 Day: 1 3 Depth at 0600 Hrs. = 72 Hour Footage = 10.788 Ft. 1,488 Ft. Rig: AFE Number: AFE Amount -- Current Costs = Estimated Final Cost = Nabor:s Rig #18-E 125346 .Current Operation' Circulation. Summary_ of Last 72 Hours' Drilled the 12-1/4" hole to 10,788'. Mud Type Mud Weight Viscosity Low solids. 9.9 #/gal 4 Sec. PV yP Fluid Loss Solids 11 7 6.0 cc 12% Temp 88 °F 'Survey Depth Angle TVD N-$ E-W Section Coordinate Coordinate Dog Leg o/100' Reviewed By: ~'~' ,! BP EXPLORATION (ALASKA), INC. DAILY DRILLING REPORT: PRUDHOE BAY UNIT As of 0600 Hrs. Tuesday. December 11, 1990 WELL: $-31 (32-27-12-12) APl No. 50-029-22109 Day: 14 · Depth at 0600 Hrs. = 10,788 Ft. 24 Hour Footage = O Ft. Rig: AFE Number: AFE Amount = Current Costs -- Estimated Final Cost -- Nab0rs Rig #18-E 125346 Current Operation: Circulation. Summary of Last 24 Hours: Ran wireline logs in the 12-1/4" hole for ARCO (0330 hrs on 12/10/90 to 0430 on 12/11/90). Ran two runs RFT unsuccessfully. Retrieved sidewall cones. MudType Mud Weight Viscosity P V YP Fluid Loss Solids Tem.~ Low solids 9.8 #/gal 36 Sec. 8 7 6.0 cc ? °F Survey Depth Angle ' rj~LEe_c. Jj.o~ N-S E-W Dog Leg TVD Section Coordinate Coordinate °/100, Reviewed By: BP EXPLORATION (ALASKA), INC. DAILY DRILLING REPORT: PRUDHOE BAY UNIT As of 0600 Hrs. Wednesday. December 12. 1990 WELL: S-31 (32-27-12-12) APl No. 50-029-221 09. Day: ,1 5 Depth at 0600 Hrs. = 10.788 Ft. 24 Hour Footage = O Ft. Rig: AFE Number: AFE Amount = Current Costs = Estimated Final Cost = Nabor$ Rig #18-E 125346 Current Operation: Cementing 9-5/8" casing. St~mmary of Last 24 Hours: Ran and cemented 9-5/8" casng at 10,783'. Mud Type Mud Weight Viscosity Cf/gal Sec. PV YP Fluid Loss Solids Temp CC OF Survey Deoth Angle Direction TVD Section Coordinate Coordinate °/100' Reviewed By: ..~.~- BP EXPLORATION (ALASKA), INC. DAILY DRILLING REPORT: PRUDHOE BAY UNIT As of 0600 Hrs. Thursday. December 13. 1990 WELL: $-31 (32-27-12-12) APl No. 50-029-22109 Day: 1 6 Depth at 0600 Hrs. = 10.885 Ft. 24 Hour Footage = ~7 Ft. Rig: AFE Number: AFE Amount = Current Costs = Estimated Final Cost = Na,bors Rig #18-E 12[;346 Current Operation' Drilling 8-1/2" hole. Summa, ry of Last 24 Hours: Drilled the 8-1/2" hole to 10,885'. Mud Type Mud Weight Viscosity Low solids 9.0 #/gal 33 Sec. PV ,yp ~ Solids 1 3 11.6 cc 5% Temp 70 OF Survey Depth Anale TVD N-$ E-W Section Coordinate Coordinate Dog Leg o/100' Reviewed By: BP EXPLORATION (ALASKA), INC. DAILY DRILLING REPORT: PRUDHQE BAY UNIT As of 0600 Hrs. Friday, December 14. 1990 WELL: S-31 (32-27-12-12) APl No. 50-029-22109 Day: 1 7 Depth at 0600 Hrs. = 24 Hour Footage = 11.430 Ft. 545 Ft. Rig: AFE Number: AFE Amount = Current Costs = Estimated Final Cost = Nabors Riq Cf18-E 12.5346 -- Current Operation: Logging 8-1/2" hole. Summary of Last 24 Hours: Drilled the 8-1/2" hole to 11430'. Conditioned the hole and rigged up for logging. MudType Mud Weight Viscosity F~ V .YP, Fluid Loss Solids Temp Low solids 9.0 #/gal 38 Sec. 8 6 8.0 cc 5% 81 °F Survey Depth Angle Directiorl N-S E-W Dog Leg TVD Section Coordinate Coordinate °/100' Reviewed By: SS BP EXPLORATION (ALASKA), INC. DAILY DRILLING REPORT: PRUDHOE BAY UNIT As of 0600 Hrs. Mgn0¢y. December 17, 1990 WELL: S-31 (32-27-12-12) APl No. 50-029-22109 Day: 20 Depth at 0600 Hrs. = 72 Hour Footage = 11,430 Ft. OFt. Rig: AFE Number: AFE Amount = Current Costs = Estimated Final Cost = Nabors Rig Cf18-E. .12,5346 Current Operation' Drill out cement inside of liner. Summary_ of Last 72 Hours' Ran open hole logs: DIL/BHCS/CNL/GR/SP. Ran and cemented 7" liner to 11,428'. Drilled out cement to top of 7" liner. Tested liner lap to 3000 psi, ok. MudType Mud Weight Viscosity P V YP _Fluid Loss Solids Temp Low Solids 9.0 #/gal 41 Sec. 1 0 9 8.0 cc 5% 76 °F Survey D_.Ep. tb Angle D.J.Ee,,c,,t[.g.5 'i-v[~ N-S E-W Dog Leg Section Coordinate Coordinate °/100' Reviewed By' -~,/4, ,~ BP EXPLORATION (ALASKA), INC. DAILY DRILLING REPORT: PRUDHOE BAY UNIT As of 0600 Hrs. Tuesday, December 18. 1990 WELL: S-31 (32-27-12-12), APl No. 50-029-22109 Day: 21. Depth at 0600 Hrs. -- 24 Hour Footage -- 11,430 Ft. O Ft. Rig: AFE Number: AFE Amount = Current Costs = Estimated Final Cost = Nabors Rig #18-E 125346 Current Operation' Repairing lay down machine. Summary of Last 24 Hours' Drilled out cement to float collar and tested to 3000 psi, ok. Changed over to filter brine. laid down drill pipe. POH and MudType Mud Weight Viscosity P V YP. Fluid Loss Solids Temp Brine 8.5 #/gal 26 Sec. cc °F Survey ~ Angle Direction TVD N-S E-W Dog Leg Section Coordinate Coordinate °/100, Reviewed By' .dh BP EXPLORATION (ALASKA), INC. DAILY DRILLING REPORT: PRUDHOE BAY UNIT As of 0600 Hrs. Wednesday, December 19, 1990 WELL: S-31 (32-27-12-12) APl No. 50-029-22109 Day: 22 Depth at 0600 Hrs. = 11,388 Ft. 24 Hour Footage = O Ft. Rig: AFE Number: AFE Amount = Current Costs = Estimated Final Cost = Nabors Rig #18-E lPRR4R Current Operation: RIH with 4-1/2" tubing Summa.ry of .Last 24, Hours: Repair, ed rig. RIH with 4-1/2" chrome tubing. Mud Type Mud Weight Brine 8.5 #/gal Viscosity Sec. P V YP F.!uid Loss Solids Temp cc °F Survey Depth Angle Direction N-S E-W .Dog Leg ,TVD. Section Coordinate Coordinate °/100' Reviewed By' $S BP EXPLORATION (ALASKA), INC. DAILY DRILLING REPORT: PRUDHOE BAY UNIT As of 0600 Hrs. Thursday. December 20, 1990 WELL: $-31 (32-27-12-12) AP! No. 50-029-22109 Day: ,23 Depth at 0600 Hrs. = 11,388 Ft. 24 Hour Footage = 0 Ft. Rig: AFE Number: AFE Amount = Current Costs = Estimated Final Cost = ,Nabors Rig Cf18-E 125346 Current Operation: Pumping dead oil in the 13-3/8"-9-5/8" annulus. Summary of Last 24 Hours: Ran 4-1/2" tubing. U-tubed Diesel. Pressure tested the tubing to 2500 psi ok. Mud Type Mud Weight Viscosity p V Brine 8.5 #/gal Sec. YP Fluid LQss Solids Temp cc °F Survey Depth Angle Directigr~ -.TVD N-S E-W Dog Leg Section Cogrdinat¢ Coordinate °/100' Reviewed By: S$ BP EXPLORATION (ALASKA), INC. DAILY DRILLING REPORT: PRUDHOE BAY UNIT As of 0600 Hrs. Friday, December 21. 1990 WELL: S-31 (32-27-12,12~ APl No. 50-029-22109 Day: 24 Depth at 0600 Hrs. = 11,388 Ft. 24 Hour Footage = O Ft. Rig: AFE Number: AFE Amount = Current Costs = Estimated Final Cost = Nabors Riq Cf18-E 125346 Current Operation' Rig release Summary of Last 24 HoUrs: Rig released at 0700 hrs. Mud Tvoe . . Mud Weiaht #/gal Viscosity Sec. PV ,YP, Fluid Loss Solids ~ Temp cc °F Survey Depth .A ,ngle Direction N-S. E-W Dog Leg TVD Section Coordinate Coordinate °/100' Revie~e'~l By' SS TELE£O Teleco Oilfield Se. ~ of Alaska Inc. 6116 Nielson Way Anchorage, AK 99502 (907) 562-2646 December 27, 1990 JOB #791 BP EXPLORATION (ALASKA) INC. WELL: S-31 PRUDHOE BAY RIG: NABORS 18E Attached please find a copy of the computer calculated MWD directional surveys for the above mentioned well. Teleco appreciates this opportunity to provide service to BP Exploration (Alaska) Inc. Teleco is committed to providing the highest quality MWD Service and we would welcome any comments or questions concerning these surveys or any of our other services. Sincerely, Jonathan G. Mapes Field Operations Supervisor JGM/el Enclosures r)ate_ !,1 / ~ / o L~ -- A ,,~~T COMPANY TELECO OILFIELD SERVICES SURVEY CALCULATIONS Date 12/10/90 Company: BP EXPLORATION Well: S-31 Location: PBU Rig: NABORS 18E TELECO Job # Grid Correction: Magnetic Declination: Total grid correction: Proposed Direction: 791 0.0° 30.0° 30.0° 322.0° MINIMUM CURVATURE CALCULATION Meas Course True Vertical Coordinates Closure Dog Leg Depth Length Incl Azi Vert. Dp. Section N/S E/W Distance Angle Severity feet feet deg deg feet feet feet feet feet deg deg/100' ******************************************************************************************************* SURFACE & SPERRY-SUN SVY TIE-INS 0 0 0.0 149.0 0.01 0.00 0.01N 0.01E 0.01 N 45.00E 0.00 480 480 0.3 149.0 480.00 -1.08 0.92S 0.57E 1.09 S 31.71E 0.05 980 500 0.3 245.0 980.00 -1.92 2.32S 0.14E 2.32 S 3.54E 0.07 1501 521 0.3 267.0 1500.99 -1.01 2.86S 2.02W 3.50 S 35.26W 0.02 1984 483 0.5 152.0 1983.98 -2.48 4.77S 2.08W 5.21 S 23.59W 0.13 PAGE 1 Company: BP EXPLORATION, Well: S-31, Location: .PBU, Riq: NABORS 18E Meas Course True Vertical Coordinates Closure Dog Leg Depth Length Incl Azi Vert. Dp. Section N/S E/W Distance .Angle Severity feet feet deg deg feet feet feet feet feet deg deg/100° ******************************************************************************************************* TELECO SURVEYS 2104 120 1.1 319.3 2103.98 -1.84 4.36S 2.59W 5.07 S 30.69W 1.33 2200 96 3.3 322.1 2199.90 1.84 1.48S 4.89W 5.11 S 73.11W 2.29 2296 96 5.9 321.1 2295.58 9.54 4.54N 9.69W 10.70 N 64.90W 2.71 2391 95 8.8 318.6 2389.79 21.68 13.79N 17.56W 22.33 N 51.86W 3.07 2487 96 11.6 319.3 2484.27 38.65 26.62N 28.71W 39.15 N 47.17W 2.92 2583 96 14.3 317.6 2577.82 60.12 42.69N 43.00W 60.60 N 45.21W 2.84 2677 94 16,4 318.6 2668.46 84.94 61.22N 59.61W 85.45 N 44.23W 2.25 2755 78 18.3 319.3 2742.91 108.17 78.77N 74.88W 108.68 ' N 43.55W 2.45 2850 95 20.7 316.9 2832.45 139.79 102.34N 96.08W 140.37 N 43.19W 2.66 2944 94 22.4 316.5 2919.88 174.17 127.46N 119.76W 174.90 N 43.22W 1.82 3038 94 25.2 316.9 3005.88 211.94 155.07N 145.77W 212.83 N 43.23W 2.98 3133 95 27.9 317.6 3090.85 254.25 186.26N 174.58W 255.28 N 43.15W 2.86 3228 95 30.0 317.2 3173.97 300.09 220.11N 205.71W 301.27 N 43.06W 2.23 3322 94 31.6 317.9 3254.71 348.08 255.63N 238.20W 349.40 N 42.98W 1.73 PAGE 2 Company: BP EXPLORATION, Well: S-31, Location: PBU, Rig: NABORS 18E Meas Course True Vertical Coordinates Closure Dog Leg Depth Length Incl Azi Vertl. Dp. Section N/S E/W Distance Angle Severity feet feet deg deg feet feet feet feet feet deg deg/100' ******************************************************************************************************* 3418 96 34.3 317.6 3335.26 400.15 294.27N 273.30W 401.61 N 42.88W 2.82 3512 94 36.6 . 317.9 3411.83 454.51 334.6.3N 309.96W 456.12 N 42.81W 2.45 3606 94 39.1 317.9 3486.05 512.04 377.42N 348.62W 513.79 N 42.73W 2.66 3703 97 41.4 318.6 3560.07 574.57 424.18N 390.34W 576.45 N 42.62W 2.42 3798 95 43.2 318.3 3630.34 638.38 472.03N 432.75W 640.38 N 42.51W 1.91 3894 96 43.4 317.9 3700.20 704.07 521.03N 476.72W 706.21 N 42.46W 0.35 3987 93 44.0 318.3 3767.43 768.17 568.86N 519.63W 770.47 N 42.41W 0.72 4083 96 44.1 318.3 3836.43 834.79 618.70N 564.04W 837.22 N 42.35W 0.09 4177 94 44.3 318.4 3903.82 900.19 667.67N 607.59W 902.74 N 42.30W 0.22 4271 94 44.8 318.3 3970.80 966.00 716.94N 651.42W 968.68 N 42.26W 0.54 4365 94 44.9 318.0 4037.44 1032.14 766.33N 695.64W 1034.98 N 42.23W 0.24 4458 93 45.8 317.6 4102.80 1098.12 815.34N 740.08W 1101.14 N 42.23W 1.02 4551 93 46.4 317.5 4167.29 1164.93 864.79N 785.31W 1168.15 N 42.24W 0.65 PAGE 3 Company: BP EXPLORATION, Well: S-31, Location: PBU, Riq: NABORS 18E Meas Course True Vertical Coordinates Closure Dog Leg Depth Length Incl Azi Vert. Dp. Section N/S E/W Distance Angle Severity feet feet deg deg feet feet feet feet feet deg ~ deg/100° 4640 89 46.8 317.2 4228.44 1229.38 912.35N 829.12W 1232.81 N 42.26W 0.51 4734 94 47.0 317.3 4292.66 1297.79 962.75N 875.72W 1301.45 N 42.29W 0.23 4829 95 46.8 317.7 4357.57 1366.94 1013.90N 922.58W 1370.82 N 42.30W 0.38 4926 97 46.2 317.6 4424'.34 1437.10 1065.90N 969.98W 1441.18 N 42.30W 0.62 5020 94 45.3 317.3 4489.93 1504.22 1115.50N 1015.51W 1508.51 N 42.31W 0.98 5115 95 44.5 317.5 4557.22 1571.06 1164.86N 1060.90W 1575.57 N 42.33W 0.86 5209 94 43.9 317.0 4624.61 1636.36 1212.99N 1105.38W 1641.10 N 42.34W 0.73 5304 95 43.3 316.9 4693.41 1701.62 1260.86N l150.10W 1706.61 N 42.37W 0.64 5399 95 43.2 317.7 4762.60 1766.50 1308.70N 1194.24W 1771.70 N 42.38W 0.59 5493 94 42.9 318.0 4831.29 1830.49 1356.28N 1237.30W 1835.86 N 42.37W 0.39 5588 95 43.4 317.6 4900.60 1895.29 1404.41N 1280.94W 1900.83 N 42.37W 0.60 5683 95 44.1 317.4 4969.23 1960.78 1452.85N 1325.32W 1966.53 N 42.37W 0.75 5778 95 44.5 317.2 5037.22 2026.91 1501.61N 1370.32W 2032.88 N 42.38W 0.45 PAGE 4 _ Company: .BP EXPLORATION, Well: S-31, Location: PBU, Riq: NABORS 18E Meas Course True Vertical Coordinates Closure Dog Leg Depth Length Incl Azi Vert'. Dp. Section. N/S E/W Distance Angle Severity feet feet deg deg feet feet feet feet feet deg deg/100° 5874 96 44.5 317.2 5105.69 2093.96 1550.98N 1416.03W 2100.16 N 42.40W 0.00 5970 96 45.0 317.7 5173~86 2161.33 1600.77N 1461.74W 2167.75 N 42.40W 0.65 6063 93 45.0 317.7 5239.61 2226.92 1649.42N 1506.00W 2233.52 N 42.40W 0.00 6156 93 45.5 317.9 5305.08 2292.79 1698.35N 1550.37W 2299.58 N 42.39W 0.55 6252 96 45.6 317.5 5372.30 2361.13 1749.04N 1596.50W 2368.11 N 42.39W 0.32 6350 98 45.3 317.3 5441.05 2430.74 1800.45N 1643.77W 2437.94 N 42.40W 0.34 6444 94 45.3 316.9 5507.17 2497.31 1849.39N 1689.25W 2504.76 N 42.41W 0.30 6539 95 44.9 317.2 5574.23 2564.35 1898.64N 1735.10W 2572.05 N 42.42W 0.48 6634 95 44.6 316.7 5641.70 2630.97 1947.52N 1780.75W 2638.92 N 42.44W 0.49 6730 96 44.6 317.0 5710.05 2698.11 1996.70N 1826.85W 2706.33 N 42.46W 0.23 6824 94 44.0 316.4 5777.32 2763.48 2044.49N 1871.87W 2771.97 N 42.48W 0.77 6919 95 43.9 316.0 5845.71 2829.08 2092.08N 1917.51W 2837.90 N 42.51W 0.31 7015 96 43.6 315.4 5915.06 2895.06 2139.60N 1963.87W 2904.25 N 42.55W 0.54 PAGE 5 Company: BP EXPLORATION, Well: S-31, Location: PBU, Riq: NABORS 18E Meas Course True Vertical Coordinates Closure Dog Leg Depth Length Incl Azi Vert~. Dp. Section N/S E/W Distance Angle Severity feet feet deg deg feet feet feet feet feet deg deg/100' ******************************************************************************************************* 7109 94 43.3 315.6 5983.30 2959.29 2185.71N 2009.18W 2968.86 N 42.59W 0.35 7202 93 43.0 3.14.5 6051.15 3022.43 2230.73N 2054.11W 3032.41 N 42.64W 0.87 7296 94 42.5 314.0 6120.17 3085.66 2275.26N 2099.82W 3096.13 N 42.70W 0.65 7391 95 42.2 313.9 6190.38 3149.03 2319.68N 2145.89W 3160.02 N 42.77W 0.32 7485 94 41.8 314.1 6260.23 3211.31 2363.37N 2191.13W 3222.82 N 42.83W 0.45 7580 95 41.3 314.1 6331.33 3273.72 2407.22N 2236.38W 3285.75 N 42.89W 0.53 7674 94 41.0 314.2 6402.10 3335.00 2450.31N 2280.77W 3347.53 N 42.95W 0.32 7767 93 40.8 315.1 6472.39 3395.40 2493.11N 2324.09W 3408.37 N 42.99W 0.67 7858 91 40.5 315.6 6541.43 3454.28 2535.28N 2365.75W 3467.63 N 43.02W 0.49 7953 95 39.9 316.5 6613.99 3515.26 2579.42N 2408.31W 3528.93 N 43.04W 0.88 8048 95 40.3 316.3 6686.66 3576.16 2623.73N 2450.51W 3590.12 N 43.04W 0.44 8142 94 40.3 315.6 6758.35 3636.62 2667.43N 2492.78W 3650.91 N 43.06W 0.48 8236 94 40.2 316.7 6830.10 3697.03 2711.23N 2534.86W 3711.64 N 43.07W 0.76 PAGE 6 Company: BP EXPLORATION, Well: S-31, Location: PBU, Riq: NABORS 18E Meas Course True Vertical Coordinates Closure Dog Leg Depth Length Incl Azi Vert'. Dp. Section N/S E/W Distance Angle Severity feet feet deg deg feet feet feet feet feet deg deg/100' ******************************************************************************************************* 8331 95 40.0 316.9 6902.76 3757.98 2755.84N 2576.75W 3772.84 N 43.08W 0.24. 8422 91 39.8 317.2 6972.57 3816.14~ 2798.57N 2616.53W 3831.22 N 43.07W 0.31 8517 95 39.6 317.5 7045.66 3876.62 2843.20N 2657.64W 3891.90 N 43.07W 0.29. 8635 118 38.7 322.5 7137.19 3951.02 2900.21N 2705.52W 3966.24 N 43.01W 2.78' 8742 107 38.1 328.8 7221.08 4017.28 2955.01N 2743.00W 4031.89 N 42.87W 3.70 8837 95 38.1 329.1 7295.84 4075.47 3005.23N 2773.23W 4089.28 N 42.70W 0.19 8931 94 38.1 329.3 7369.81 4133.01 3055.05N 2802.93W 4146.05 N 42.54W 0.13 9026 95 38.4 329.8 7444.41 4191.31 3105.75N 2832.74W 4203.58 N 42.37W 0.45 9120 94 39.3 331.1 7517.62 4249.64 3157.04N 2861.81W 4261.09 N 42.19W 1.29 9215 95 40.4 332.1 7590.55 4309.66 3210.59N 2890.76W 4320.23 N 42.00W 1.34 9310 95 41.4 332.8 7662.36 4370.82 3265.74N 2919.52W 4380.49 N 41.80W 1.16 9406 96 41.8 333.0 7734.15 4433.41 3322.48N 2948.55W 4442.17 N 41.59W 0.44 9498 92 42.8 333.2 7802.19 4494.17 3377.70N 2976.56W 4502.08 N 41.39W 1.10 PAGE 7 Company: BP EXPLORATION, Well: S-31, Location: PBU, Riq: NABORS 18E Meas Course True Vertical Coordinates Closure Dog Leg~ Depth Length Incl Azi Vert. Dp. Section N/S E/W Distance Angle Severity feet feet deg deg feet feet feet feet feet deg deg/100' ******************************************************************************************************* 9592 94 43.7 333.9 7870.66 4557.28 3435.37N 3005.24W 4564.34 N 41.18W 1.09 9687 95 44.6 333.2 7938.83 4622.11 3494.61N 3034.72W 4628.37 N 40.97W 1.08 9783 96 45.4 333.1 8006.71 4688.71 3555.17N 3065.38W 4694.23 N 40.77W 0.84 9878 95 46.6 333.9 8072.70 4755.68 3616.33N 3095.87W 4760.49 N 40.57W 1.40 9970 92 46.5 334.9 8135.97 4820.91 3676.56N 3124.72W 4825.04 N 40.36W 0.80 10066 96 46.6 335.5 8201.99 4888.76 3739.83N 3153.96W 4892.21 N 40.14W 0.47 10161 95 46.5 334.8 8267.33 4955.92 3802.41N 3182.94W 4958.77 N 39.93W 0.55 10256 95 46.1 334.1 8332.96 5022.99 3864.37N 3212.56W 5025.33 N 39.74W 0.68 10350 94 45.9 334.2 8398.26 5089.10 3925.23N 3242.04W 5091.00 N 39.56W 0.23 10445 95 45.1 334.8 8464.84 5155.25 3986.38N 3271.22W 5156.75 N 39.37W 0.96 10541 96 44.7 335.5 8532.84 5221.24 4047.87N 3299.69W 5222.38 N 39.19W 0.66 10635 94 43.2 336.7 8600.52 5284.51 4107.51N 3326.13W 5285.33 N 39.00W 1.83 10717 82 43.2 337.3 8660.29 5338.74 4159.18N 3348.06W 5339.31 N 38.83W 0.50 PAGE 8 P. O00 4000 -~6000 08000 >lO000 ~2000 14000 t6000 ~BO00 TEL 00ilfield Services VERTICAL PROJECTION -lO00 ~000 3000 5000 7000 9000 ~ ~000 480 ' .25 deg 980 ' .25 deg 150! ' .25 deg 1984 ' .5 deg 2391 ' 8.8 deg BP EXPLORATION S-31 PBU NABORS 1 BE · ao.7 deg JOB# 791/00 a32a ' ~g SCALE' 31.6 458 " 45.8 deg _&15 · 44.5 deg ~,~_683' 44.1 deg ,~252 ' 45.6 deg N39& ' 42.2 deg -~953 ' 39.9 deg -T~5 ~. 7 ' 39.6 deg .~20 ' 39.3 deg ~%~k,687 ' 44.6 deg feet VERTICAL SECTION (ft) TEL :00iIf~eld PLAN VIEN Service,_ 6400 BP EXPLORATION S-3i PBU NABORS IBE JOB# 791/00 SCALE: i inch = 800 feet i0717 L 1OO66 ~ 9783 ' ~ 9498 ' 9215 ' ~ 8837 ' Xkoc 85~7 ' ~+ 8,4_2 '~ 7767 ' 7391 ' N-t- ' · 7015 · 6634__' ~ 6252 ' ~j. 5874 5493 'N ' 5i~5 ~_ . 4734 · NJ- ' 4365 3987 " 3606 560O 48OO 4000 3200 z 2400 1600 800 80O 4000 3200 2400 i600 800 0 WEST 800 BP EXPLORATION P/~D S (32-27-12-12 ) S :51 Controlled Drilling Consultants, Inc. LES HENDERSON (9o7) 333-1552 CO ,,ROLLED DRILLING CONSULTANTS, INC. P.O. Box 190560 Anchorage, Alaska 99519-0560 (907) 333-1552 December 10,1990 Mr. Larry Driscoll BP Exploration Pouch 196612 Anchorage, Ak. 99519-6612 RE: Magnetic Single Shot Survey Job No.A-1190-025 Well: S-31 (32-27-12-12) ?rudhoe Bay Field North Slope, Alaska Date of Survey: 11-25-90 to 12-10-90 Dear Mr. Driscoll' Please find enclosed the "Original" and Four ( 4+ copies of our Magnetic Single Shot Survey on the above well. The method used in calculating this survey was Radius of Curvature. The depth of the survey was 480' to 10,717'. Thank you for giving us this opportunity to be of service. Yours very truly, Controlled Drilling Consultants, Inc. Directional Supervisor _.. ...... TVD = 8~661.69 - - TMD = 10,717.00 ALL DEPTHS SHOWN - ARE TVD HORIZONTAL VIEW B. R EXPLORATION WELL .S-SI .(3E:-?.7-12. RADIUS OF CURVATURE MAGNETIC S I I~1 Iii L~'~-I.'~.IOT 6CALE: .Ii = I000' _ DEC. I1~ 1990 : BP EXPLORATION MAC~NETiC S:INGLE SHOT SURVEY RADIUS OF .cURCnIUKE i'IETHOD 'ENGIHEER C,Y, HARRiNGTOH COMPUTED FOR CDC 8Y ARC;TIC OF COMPUTATION SLOPE C:O '" .... ,. h.::, U L T ! i,! G G R 0 U P dOB NO A--It90--025 WELL 9-3 i KB EL, EV 66,50 FT, SURgEY DATE 25/1t/90 PROPOSED DiR N~8-O4h~ REUORD. OF ~URYEY T R U E 'f~EAS, DRIFT VERTICAl. DEPTH ANGLE OEPTH D ti '~.~Sc, UMED YERT it..aL TO 480 0 15 480, 980 0 i5 979,. 2i04 t 6 2t0~, 22~0 S i8 2i99 2296 5 54 2295 239i 8 48 2~89 2487 ii 36 2484 2583 14 18 2577 2677 16 24 2668 2755 t8 i8 2742 2858 20 42 2832 2944 22 24 29i9 3038 25 12 3005 ~~ 4 3OqO. 3228 30 0 SJT~ 3322 ~ ~6 3254, 35~2 36 36 34~1, O0 99 99 98 97 89 57 78 25 80 45 89 44 86 86 84 96 25 82 SEA 0 FT, -66 9 i ;'.4,49 14~4,49 1917,48 2 037, ,47 21~-, 2229,07 2323 28 241 7 75 251 I 30 260! 95 2676 39 2765 94 285.S 36 Z 9,.,..36, 3 02.4 34 3i07 46 3188,20 3268,75 -'. ,.. 4 .:~ ~2 DR i FT 9IREC DEG, N , OOE S31, OOE 887,0 OM S28, O OE i,t. 4 O, 7 Oki N37,9 OW N38,9 OW N4 i, 4 OW N4 O, 7 OW N42.4OW N4 i , 4 OW N4 O, 7 OW H43, I Old i'i43,50b~ N43, I Okl .},f42,4 OW N42,8 Ot,.t N42, ! OW N42,40W N42, I OW I'OTA!. COORDINATES ,OO S 2,75 S 3,29 S 5,6i S 6,25 S 3,40 S 2,63 N ii,92 N 24,74 N 40:84 N 59,36 N 76,90 N ! O0.50 N i '-25 ,, "~ i :53,23 N 'i:_~4,,41 N ;;:'i S, 26N ;.:'" =:-'3-'," 7 N 29.2,42 N S32,77 N 00 54 O._-4 2 22 4 47 6 80 l l !9,42 30 44 6i ,47 76,74 97,92 12~ i47 !76,4.3 20,'-' ,... ~5. ~.4 0 , 04 275, 14 3i! ,80 W W W W W W W W W tJ C L 0 'S U D i STANCE R E S, ANGLE D 6 7 7 22 60: 108, i '74 212 255 301 401 456 88 N 77 !i 27 W 79 N 58 27 i3 W .34 N 5i i 39 W ,SE, N 47 40 47 W 45 N 45 59 58 W 64 N 4.4 56 28 W 3~ N 44 ~5 i5 W 83 tq 44 3 56 76 N 43 '55 45 W ~.i H 4.~ 4.S .~q. W t9 N "$3 33 36 W 31 N 43 "" . .-.4 ;2s W 51 N 43 ls. ~.'-'~ W DOG L. EC .,OEVER i TY' DEG,' t OOF:T ,000 · ,,~ .~ .-~ ,074 ,0t8 .50:3 , 708 ~ 0 ~'~ · 2, .,, .~ 2 815 5 4 ~._ !,8:10 2,980 ':' 8al:' Z I ,7i4 2,449 3P WELL S.-3~ ,:,INGLE SHOT MEAS. DRtFT DEPTH ANGLE D H TRUE VERTICAL DEPTH SUB DR t FT S E R 01 R E C DE~.~, :!;6 06 39 6 3703 4i 24 3798 43 4 883 44 6 4355 44 54 4734 47 5020 45 18 5~04 43 18 5493 42 54 5778 44 .36 6063 45 6444 45 67."30 44 36 71 09 43 7391 42 12 7674 4 7953:39 54 8331 40 0 8~17 .39 .36 8742 38 6 9~26 3e 24 93~ 0 41 24 9592 43 42 9878 46 ,36 i Ol 6t 46 30 10350 45 54 { 0541 44 42 3486 356 0 07 363 0 33 3836 54 4 037 68 4294 4492 4695,60 5039 5242,04 551 0,74 57i3, 5986,8 O ~ 193.08 6404 70 69 06 7049 68 7447 94 7655 79 7873 52 8075 8400 8534,99 3419 , 54 t,i4Z , 10(,.t ;34.93,57: H4'! , 40W 356;3', 83 H4 ~ ,. ? Oki 37'? 0 , 04 H4 i ~ 7 Oi.,) 397i , i8 N42, OON 4227,72 N42 , 7OW ,44~5 , 85 N42 , 7OW 4629, ~ O N43,1 OW 4767, i O N42, O OW 497;¢, i 4 N42 , 8OW 5!75,54 N42,30W 5444,24 N43,1 OW 5646,65 N43 , OOW ~9i9,50 N44,4OW 6!26,58 N46, t OW 6338 , 20 N45 , SOW 6550,5! N43,SOW 6840,28 N43, I OW 6983,18 H42 , 50t.d 7158,41 N31 ,2OW 7381 , 44 NSO, 2 OW 7599,29 N27 , 2Oki 7807, 02 NZG,iOW 8808,78 N26,1 OW ~203,3.3 N;25,2OW 8334, i 4 N25,8063 8468,49 N24,5Oki THE FOLLOWING IS EXTRAPOLATED TO TD i07i? 43 i2 8661 ,69 8595, i9 hl2;:..70W TO!'AL COORDINAT'ES Z 75 56 4.22 32 470 i6 6~7 04 764 27 ] 257 i:3 ~ 352 26 1497,66 ~645,47 1843,98 199~ Z$81 ,79 2316,55 24,47 1 2575 94 2752 59 2839 95 2952 3~ 03 88 3263 63 34,34 06 ~6~6 380! ,4047,34 392,19 4:34,60 565,46 697,33 875,99 i 0i5,85 i i50,86 1238,19 i370 96 1506 64 i6.89 82 1827 75 2089 46 2i45 40 2280 44 2407,64 2574, i 1 2655,00 2739,5 0 2829,27 2916,73 3002,26 Si80,39 3239, i ~ 3296,81 4159,26 80TTOH ~-,,;iLE t, LLSURE"' ;i 5,3..*."'"',' ,90 FEET Al' N ...'.,¥-'" 48 47 W C L 0 S U R E S ;~TANCE ANGLE D F~ .::, ,c v = ,', t T Y bEG/i O OFT 576,34. 640,26 8:36,95 N 42. 30 8 W 103,4,60 N ,42 22 79 W i299,79 i506,03 N 42 25 i704 36 i8313 50 N 42. 28 '"3 W 42 ,r,¢, 43 W 2030 223! 2501 270.7 2966 7157 3345 352,5 3768 3887 4027 4399 4377 4.561 39 tq 42 28 I5 W 04 N 42 28 41 W I5 N 42 .'3.,0 7 W i9 N 42 32 34 kI t7 N 42 38 44 W 39 N 42 48 !2 W O1 g 42 58 48 W 94 N 43 S 56 W 66 N 4.3 ,4 5i W 7t N 4..- 4 20 W 82 N 42 5i i8 W 86 N 42 20 59 W 06 1't 4i 47 I4 39 N 41 9 42 t,.t 4757,46 N 40 3i 4956,30 N 39 55 3 b.', 5088,53 N 39 -.,,,-"'-' 6 W' 5220, i4 N 66.0 90 i ;?.89 594 707 578 ! '9 2 45 ~.~. 520 O ~' ~5 i 7;2 I53 837 0 'i 4 ,17i 357 ,7t3 ..,or 90 H .'4R ,¢:,-.~ '"'7 b! SECT I ON I, ¢' 7' q N C E ,, 574,,~. ''''~ 8 638, I ;3..,4,4 ! Lc ,::, i f ..... , i 296,08 i50~ ,64 1 8 '~ :q O 0 2 824 ":' v'24: ~ 5' 2:493,56 '~ 694 q 5 2':'~ 6 5q 3~4.6,49 F5 ~ ''* "' · ..,, (~ f' ,_ 4367 , 70 4953, ,S 4 5086, :30 5:2~q 5,337 , 4. 2 8P WELL DEPTH ANO OTHER DA'f'R c:, , dO8 oiN(;LE.~c'HOT SURVEY FOR EVERY EVEN iO0 FEET OF :SUB SEA DEPTH, MEASURED DEPTH TRUE VERT I L.~L DEPTH SEA MD-TVO DIFFERENCE V E R T t,C: A L CORRECTION TOTAL COORDINATES 0 467 .567 86? i167 i467 ~067 2167 ~67 2469 2675 2780 2886 2995 3I 06 ~456 ~SSi O,, .-67 i67,, 369', 300 467, 400 567, 500 667, 600 767, 7'00 867, 800 967, 900 i 067, 1000 i267, i200 1467, i 400 i567, i50O 1767, i700 i 967, i 900 2067, 2000 2i67, ~m ~208 2466, 2400 2566, 2500 2667, 2600 2766, 2700 ~,,~6 2800 2966 3066. .3000 Z266, Z200 3466, 3400 0 O 0 8 O 0 ,0 O 0 0 O O 0 0 0 O O 0 O 0 0 O 0 0 0 0 0 O 0 0 0 O 0 0 0 O 0 0 0 0 0 0 0 0 0 2 2 4 2 8 4 13 5 ~9 6 28 9 ..,., i i 52 69 !7 oq 20 ~,,.,,:' w- ,25 ,8~ ¢ ,24 i 2, i 0 2,46 2,72 2,90 :3,04 $ ,29 3 3,62 4,0'9 4 74. 5 48 6 .35 4 7~ 45 9 '~'*' 05 · 38,73 58 82,90 i!0,05 140,12 175,07 2i5,1i 259,20 :~ 08,45 :Z. 63: 92 BP DEPTH AND OTHER DAT~ SINGL. E SHOT SURVE?' JOB FOR EVERY EYEN iO,O FEET' OF :3UB SEA DEPTH, CONP(,ITER- KB EL. EV TRUE HEASURED VERTICAL SUB DEPTH DEPTH SEA b i F'FERENCE VERTICAL CORRECTION TOTAL COORDtHAI'ES 3848 "': 4125 .u~,, 3800' 426,5 3966, 3900 4406 4066, 4000 4549 4166, ,4i O0 4839 4366, 4300 4983 4466, 4400 5I~ 4566 4500 5264 4666, 4608 540I 4766, 4700 5538 4866 , 5676 4966 , .49 .~,~i 6 5066, 5000 59c6 5i66, 5i O0 6098 5266, 5200 6~8i 5466, 5400 6523 5566. 5500 6664 5666. 5600 6.805 5766, 5700 6944 5866, 5800 7082 59~,6, 59 7219 6066, 6000 7355 6 ! 66 , 6 7490 6266, 6200 7b~ 636~, 6'~00 7756 6466, 640 7887 6566, 6500 8018 6667, 6600 8i48 6766, 670~ 8278 6867, 6880 8409 6966, 6900 i 45 i ":' 1 .=;6 219 38 258 39 298 4, '~39 4 3,~.,c: 2 43 426 44 472 46 516 44 558 4.2 597 39 671 7,7 709 38 749 4, O 789 40 83i 42 872 4I 914 42 997 038 4 077 iii5 38 i 52 37 i 88 36 !256 ,i289 ~S2O .Si 351 3I ..', ._. } i4J t .'ilo 1442 St 426 495 566 785 ~Oi6 i 092, ii66 i237 ~705 i ~75 i445 ~517 'i 589 I663 i737 1Si1 i884 i957 2029 2100 2168 22~5 2299 2362 2428 2484 2545 2606 2666 727 2789 , 59 N 457,26 ,63 N 520,55 , 75 N 584,82 ,78 N 6,50,i6 ,69 N 716,65 ,!7 N 785,12 , 49 N 955 , 9~ . 6 ! N 927 , 98 ,57 N 998,07 ,14 N i866,09 ,0t N i13;2,05 ,96 H il~E,, Ii .33 N t322,75 .06 N i ~:~8 0 ,56 N ~528, 12 ,48 N 'I590,S'0 .33 H 'i659,33 ,99 N '~728. I8 .90 N 'i 796 , 28 ,85 N i863,56 ,12 N 1930,32 ,63 N I996,E, 0 98 N '~h62 45 ,77 N 2128,0.3 ,42 H 2!92,98 ,95 N 2256,54 ,65 N 23!8,52 ,.:,O N ~,..,,,. ,~ , O i N 24,36, 14 ,85 N '-' . ~4Bc~ 60 , 94 N 2551 , ,,=a'~ ,i4 I'~ 260:3: BP WELL DEPTH SINGLE SHOT SURVEY ,.tOPS NO A--t *0 90.-,025 AND OTHER DATA FOR EYER¥ EVEN lO0 FEET OF SUB SEA DEPTH, COMPUTER ..... !i DEC 90 KB ELEV 66,50 F'T', MEASURED DEPTH TRUE YERTICAL SUB MD-TVD DEPTH SEA DIFFERENCE YERI'iCAL CORRECTION TOTAL.. COORDINATES 9582 9722 9865 iOOii 0301 0585 lO71? ?066, 7080 i472 '?i66, 7t00 150t 7266, 7200 )528 7366, 7300 t555 7466, 7400 I583 7566, 7500 J612 7667, 7600 i644 7766. 7700 1678 786~. 7800 t7i5 7966, 7900 1755 8066, 8000 1'798 8166, 8iOO 1844 8266, 8200 ~889 8366, 8300 I934 8566, 8500 2018 8662, 8595 2055 30 2850,26 29 29i~,95 27 2980,65 28 3116,67 29 3t88,17 32 3264,20 34 3~4,4,35 37 3428,05 40 3515,73 43 3607,89 46 3702,87 4.5 3798,'~5 45 3892,~3 .43 3985,17 4i 4075,58 37 4i59,2~ 2664,28 W 27t4,35 W 2756,37 k~ 2.796,68 bi ;'...~836,6? W 2876,73 W 29 l 7,02 td 2957,7,4 W 2999,3 't 3042 '~ TM . S 087,42 31~-',55 hi 3223,7S W ;~268,05 W 3389,55 ~45,7 i iNTERPOLATED 9ALUES FOR EVEN TRUE MEt~SURED YERT I gAL DEPTH DEPTH 0 O. 'I 000 i 000. 2000 2000, 3000 297i, 4000 3777, 5000 4478, 6000 5i97, 7000 5907, 8000 6653, 9000 7428, 0000 8t59, 07~7 8662, SINGLE FEET SUB SEA -67 9.3 .S 1933 2905 44i2 5t3i 5~'40 6587 736 i 809:3 8595 SHOT SURVEY JOB OF ~"~EIqSt,iRED OEPTH, TOTiqL COORDINATES 2,78 S 5,75 $ ~4i,68 N ~36, 574,02 N 527 ~0!,38 N i006 I6!2,58 N '}476 '~28.02 N i957 2597,82 N 2428 089 , 93 ~695,83 H 3')30 159 , 26 H HO ~-' ~ i 90-025 COMPLITER- !'i DEC 90 KB ELE':/ 56,50 :FT, ORIG.INAL' SUB.$URFACE DIRECTIONAL ~URVEY r~UIDANCE ~]ONTINUOUS I-flOOL Company BP EXPLORATION , Well Name S-31 (32-27-12-12)(1639' SNL,1449' EWE,SEC 35,T12N,R12E) Field/Location PRUDH(~E ~AY~ r~ORlH SLOPE. ALASKA Job Reference No. Dat._..~e 74331 7-JAN-91 Loaned By; Computed By:, BARNARD SINES * SCHLUMBERGER * , , GCT DIRECTIONAL SURVEY CUSTOMER LISTING FOR BP EXPLORATION S-31(32-27-12-12) PRUDHOE BAY N.SLOPE, ALASKA SURVEY DATE: 07-JAN-91 METHODS OF COMPUTATION TOOL LOCATION: INTERPOLATION: VERTICAL SECTION: TANGENTIAL- LINEAR HORIZ. DIST. ENGINEER: K.BARNARD Averaged deviation and azimuth PROJECTED ONTO A TARGET AZIMUTH OF NORTH 38 DEG 42 MIN WEST COMPUTATION DATE: 5-FEB-91 PAGE 1 BP EXPLORATION S-31(32-27-12-12) PRUDHOE BAY N.SLOPE, ALASKA DATE OF SURVEY: 07-JAN-91 KELLY BUSHING ELEVATION: 66.50 FT ENGINEER: K.BARNARD INTERPOLATED VALUES FOR EVEN 100 FEET OF MEASURED DEPTH TRUE SUB-SEA COURSE MEASURED VERTICAL VERTICAL DEVIATION AZIMUTH DEPTH DEPTH DEPTH DEG MIN DEG MIN VERTICAL DOGLEG RECTANGULAR COORDINATES HORIZ. DEPARTURE SECTION SEVERITY NORTH/SOUTH EAST/WEST DIST. AZIMUTH FEET DEG/IO0 FEET FEET FEET DEG MIN 0 O0 100 O0 200 O0 300 O0 400 O0 500 O0 600 O0 700 O0 800 O0 900 O0 0 O0 100 O0 200 01 300 O0 400 O0 49999 600 O0 700 O0 800 O0 900 O0 -66.50 0 0 N 0 0 E 33.50 0 13 S 57 49 E 133.51 0 8 S 23 59 E 233.50 0 12 S 59 27 E 333.50 0 4 S 28 20 E 433.49 0 10 S 34 54 E 533.50 0 4 S 48 11 E 633.50 0 8 S 4 51 E 733.50 0 6 S 59 46 E 833.50 0 4 S 85 5 W 0 O0 -0 03 -0 24 -0 57 -0 73 -0 95 -1 18 -1 28 -1 49 -1 56 0 O0 021, 0 O0 0 18 0 12 0 O0 0 07 0 16 0 O0 0 O9 0 O0 N 0 02 S 0 14 S 0 39 S 0 48 S 0 67 S 0 83 S 0 96 S 1 14 S 1 18 S 0 O0 E 0 03 E 0 21 E 041 E 0 57 E 0 67 E 0 85 E 0 85 E 0 96 E 1 02 E 0.00 N' 0 0 E 0.03 S 55 47 E O.26 S 56 21 E O,57 S 46 33 E 0.75 S 49 57 E 0.95 S 45 1E 1.19 S 45 30 E 1.29 S 41 26 E 1.49 S 40 17 E 1.56 S 40 45 E 1000 O0 1000 O0 1100 1200 1300 1400 1500 1600 1700 1800 1900 933 50 O0 1099 O0 1199 O0 1300 O0 1400 O0 1499 O0 1599 O0 1699 O0 1799 O0 1899 0 13 S 85 29 W 48 '0 12 S 84 58 W 48 0 11 N 70 21W 50 0 18 N 71 55 W 50 0 18 N 87 44 W 47 0 16 N 88 32 W 47 0 18 N 81 26 W 47 0 20 N 81 26 W 48 0 23 N 83 4 W 47 0 15 N 87 41 W 98 1033 98 1133 O0 1233 O0 1333 97 1433 97 1533 97 1633 98 1733 97 1833 -1 40 -1 17 -0 97 -0 62 -0 23 0 06 0 4O 0 80 1 25 1 65 0 O0 0 O8 0 O0 0 O3 0 02 0 O0 0 O0 0 O0 0 O8 0 22 1.18 S 1 .21 S 1.19 S 1.04 S 0.96 S 0.96 S 0.92 S 0.83 S 0.75 S 0.69 S 0 76 E 0 37 E 0 08 E 0 31 W 0 83 W 1 30 W 1 79 W 2 33 W 2 94 W 3 51 W 1.41 S 32 50 E 1 26 S 16 55 E 19 S 3 48 E 09 S 16 35 W 27 S 40 53 W 62 S 53 36 W 01 S 62 52 W 47 S 70 16 W 03 S 75 42 W 57 S 78 51W 2000 O0 1999 99 1933 49 2100 2200 2300 2400 2500 2600 2700 2800 2900 0 4 S 66 1W 48 0 55 N 33 13 W 41 3 20 N 35 51W 06 6 6 N 4O 15 W 19 8 52 N 41 2 W 56 11 56 N 41 21 W 84 14 48 N 41 45 W 94 17 5 N 41 10 W 93 19 34 N 42 28 W 60 21 20 N 43 30 W O0 2099 98 2033 O0 2199 91 2133 O0 2299 56 2233 O0 2398 69 2332 O0 2497 06 2430 O0 2594 34 2527 O0 2690.44 2623 O0 2785.43 2718 O0 2879.10 2812 1 .78 2.09 5.90 14,12 27. 14 45.12 68. 13 95.71 126.93 161 .83 0 O0 3 27 2 53 2 86 2 67 3 13 2 39 1 97 2 96 2 32 0.71 S 3.73 W 0.49 S 3.94 W 3 2.65 N 6.12 W 6 9.07 N 11.26 W 14 18.88 N 19.84 W 27 32.47 N 31.62 W 45 49.68 N 46.96 W 68 70.39 N 65.22 W ' 95 93.78 N 85.95 W 127 119.30 N 109.92 W 162 3 80 S 79 11W 97 S 82 58 W 67 N 66 34 W 46 N 51 10 W 38 N 46 25 W 33 N 44 14 W 36 N 43 23 W 96 N 42 49 W 21 N 42 30 W 22 N 42 39 W 3000 O0 2971.38 2904 88 24 6 N 43 33 W 3100 3200 3300 34OO 3500 3600 37O0 3800 3900 O0 3061.67 2995 O0 3149.80 3083 O0 3236 11 3169 O0 3320 56 3254 O0 3402 36 3335 O0 3481 69 3415 O0 3558 15 3491 O0 3632 16 3565 O0 3705 02 3638 17 26 47 N 43 50 W 30 29 21 N 43 45 W 61 31 15 N 43 15 W 06 33 51 N 43 15 W 86 36 17 N 43 19 W 19 38 45 N 42 58 W 65 41 19 N 42 40 W 66 42 54 N 42 41 W 52 43 39 N 42 37 W 20O 18 243 01 29O 01 340 36 393 75 451 05 511 74 576 02 643 11 711 42 3 57 2 95 1 72 1 54 3 25 2 29 2 99 2 09 0 82 0 64 147 21 N 136.41 W 200.70 N 42 49 W 178 212 249 288 329 374, 421 471 521 33 N 166.07 W 243.68 N 42 58 W 38 N 198.74 W 290.87 N 43 6 W 05 N 233.49 W 341.39 N 43 9 W 09 N 270.15 W 394.94 N 43 10 W 93 N 309.58 W 452.43 N 43 11 W 31 N 351.25 W 513.30 N 43 11 W 62 N 395.01 W 577.75 N 43 8 W 08 N 440.57 W 644.99 N 43 5 W 45 N 486.95 W 713.46 N 43 2 W COMPUTATION DATE: 5-FEB-91 PAGE 2 BP EXPLORATION S-31(32-27-12-12) PRUDHOE BAY N.SLOPE, ALASKA DATE OF SURVEY: 07-JAN-91 KELLY BUSHING ELEVATION: 66.50 FT ENGINEER: K.BARNARD INTERPOLATED VALUES FOR EVEN 100 FEET OF MEASURED DEPTH TRUE SUB-SEA COURSE MEASURED VERTICAL VERTICAL DEVIATION AZIMUTH DEPTH DEPTH DEPTH DEG MIN DEG MIN VERTICAL DOGLEG RECTANGULAR COORDINATES HORIZ. DEPARTURE SECTION SEVERITY NORTH/SOUTH EAST/WEST DIST. AZIMUTH FEET DEG/IO0 FEET FEET FEET DEG MIN 4000 O0 3777 18 3710 68 43 54 4100 4200 4300 4400 4500 4600 4700 48OO 4900 O0 3849 O0 3920 O0 3992 O0 4062 O0 4132 O0 4201 O0 4270 O0 4339 O0 4408 11 3782 86 3854 O4 3925 82 3996 64 4066 78 4135 42 4203 02 4272 19 4341 61' 44 6 36 44 22 54 44 38 32 45 22 14 46 0 28 46 31 92 46 44 52 46 30 69 45 49 N 42 41W 780.46 N 42 42 W 849.76 N 42 47 W 919.27 N 42 55 W 989.30 N 43 9 W 1059.77 N 43 35 W 1131.13 N 43 50 W 1203.12 N 43 45 W 1275.49 N 43 41 W 1348.00 N 43 23 W 1419.93 0 34 0 26 0 84 0 44 0 92 0 64 0 3O 0 25 0 61 0 85 572.37 N 533.82 W 782 67 N 43 0 W 623.46 N 580.89 W 852 674.64 N 628.18 W 921 726.15 N 675.89 W 992 777.82 N 724.09 W 1062 829.89 N 773.24 W 1134 882.10 N 823.20 W 1206 934.54 N 873.49 W 1279 987.17 N 923.78 W 1351 1039.47 N 973.54 W 1424 13 N 42 59 W 82 N 42 57 W 03 N 42 57 W 69 N 42 57 W 29 N 42 59 W 55 N 43 1W 20 N 43 4 W 99 N 43 6 W 18 N 43 7 W 5000.00 4478 14 4411.64 45 26 5100.00 4548 5200.00 4620 53OO.OO 4693 5400.00 4767 5500.00 4840 5600.00 4913 5700.00 4986 5800.00 5058 5900.00 5129 97 4482,47 44 20 90 4554.40 43 36 73 4627 23 43 0 11 4700 61 42 40 60 4774 10 42 51 71 4847 21 43 20 09 4919 59 43 53 O0 4991 50 44 13 67 5063 17 44 27 N 43 25 W 1491 21 N 44 0 W 1561 N 44 2 W 1630 N 44 1W 1698 N 43 31W 1766 N 43 26 W 1834 N 43 32 W 1902 N 43 31W 1970 N 43 31 W 2040 N 43 43 W 2109 54 69 9O 59 19 15 93 15 68 1 39 1 02 0 79 0 60 0 39 0 34 081 0 37 0 58 0 62 1091.50 N 1022 59 W 1495 69 N 43 8 W 1142.51N 1071 1192.47 N 1119 1241.70 N 1167 1290.81 N 1214 1340.06 N 1260 1389.55 N 1307 1439.60 N 1355 1490.01 N 1403 1540.50 N 1451 41W 1566 64 W 1635 29 W 1704 24 W 1772 89 W 1840 81W 1908 34 W 1977 15 W 2046 31 W 2116 29 N 43 10 W 72 N 43 12 W 23 N 43 14 W 17 N 43 15 W O0 N 43 15 W 20 N 43 16 W 22 N 43 16 W 69 N 43 17 W 47 N 43 18 W 6000 O0 5200 74 5134 24 44 51 6100 6200 6300 6400 6500 6600 6700 6800 6900 O0 5271 O0 5342 O0 5412 O0 5483 O0 5553 O0 5624 O0 5696 O0 5767 O0 5839 51 5205 11 5275 45 5345 06 5416 74 5487 84 5558 17 5629 77 5701 83 5773 01 45 5 61 45 8 95 45 18 56 45 8 24 44 52 34 44 36 67 44 24 27 44 8 33 43 35 N 43 40 W 2179 71 N 43 39 W 2250 N 43 46 W 2320 N 43 49 W 2391 N 43 58 W 2462 N 44 0 W 2532 N 44 11W 2602 N 44 23 W 2672 N 44 42 W 2741 N 45 3 W 2810 07 62 45 O1 42 44 19 64 57 0 44 0 34 0 38 0 45 041 0 47 0 26 0 30 0 58 0 67 1591.29 N 1499 93 W 2186.78 N 43 18 W 1642.41 N 1548 1693.59 N 1597 1744 92 N 1646 1795 98 N 1695 1846 87 N 1745 1897 39 N 1793 1947 55 N 1842 1997 34 N 1891 2046 48 N 1940 65 W 2257.40 N 43 19 W 61 W 2328.22 N 43 20 W 82 W 2399 32 N 43 21 W 94 W 2470 18 N 43 22 W 03 W 2540 88 N 43 23 W 96 W 2611 20 N 43 24 W 91 W 2681 28 N 43 25 W 83 W 2751 08 N 43 27 W 75 W 2820 39 N 43 29 W 7000 O0 5912.34 5845 84 43 29 7100 7200 7300 7400 7500 76OO 7700 78OO 79OO O0 5985.20 5918 O0 6058.46 5991 O0 6132.20 6065 O0 6206.32 6139 O0 6280.99 6214 O0 6356.14 6289 O0 6431.77 6365 O0 6507.73 6441 O0 6584.00 6517 70 43 2 96 42 45 70 42 18 82 41 53 49 41 30 64 41 2 27 40 45 23 40 23 50 39 57 N 45 31 W 2878.96 N 46 7 W 2946.94 N 46 41 W 3014.46 N 47 12 W 3081.29 N 47 26 W 3147.64 N 47 25 W 3213.37 N 47 14 W 3278.56 N 46 57 W 3343.33 N 46 10 W 3407.77 N 44 50 W 3471.90 0.39 0.69 0.60 0.27 0.85 0.45 0.47 0.46 0.95 1.15 2094.94 N 1989.65 W 2889.19 N 43 31 W 2142.69 N 2038.77 W 2957.65 N 43 35 W 2189.68 N 2088.11 W 3025.70 N 43 38 W 2235.75 N 2137.47 W 3093.11 N 43 43 W 2281.25 N 2186.81 W 3160.10 N 43 47 W 2326.25 N 2235.75 W 3226.46 N 43 52 W 2370.95 N 2284.24 W 3292,28 N 43 56 W 2415.50 N 2332.21 W 3357.65 N 44 0 W 2460.24 N 2379.43 W 3422.64 N 44 3 W 2505.49 N 2425.52 W 3487.21 N 44 4 W BP EXPLORATION S-31(32-27-12-12) PRUDHOE BAY N.SLOPE, ALASKA TRUE COMPUTATION DATE: 5-FEB-91 PAGE 3 DATE OF SURVEY: 07-JAN-91 KELLY BUSHING ELEVATION: 66.50 FT ENGINEER: K.BARNARD INTERPOLATED VALUES FOR EVEN 100 FEET OF MEASURED'DEPTH SUB-SEA COURSE VERTICAL DOGLEG RECTANGULAR COORDINATES HORIZ. DEPARTURE MEASURED VERTICAL VERTICAL DEVIATION AZIMUTH SECTION SEVERITY NORTH/SOUTH EAST/WEST DIST. DEPTH DEPTH DEPTH DEG MIN DEG MIN FEET DEG/IO0 FEET FEET FEET AZIMUTH DEG MIN 8000 O0 6660 86 6594 36 39 55 8100 8200 8300 840O 8500 8600 8700 8800 8900 O0 6737 O0 6814 O0 6890 00 6967 O0 7044 O0 7122 O0 7200 O0 7279 O0 7358 53 6671 11 6747 78 6824 69 6901 79 6978 19 7055 40 7133 35 7212 17 7291 03 39 58 61 39 59 28 39 57 19 39 37 29 39 21 69 39 17 90 37 45 85 38 0 67 37 59 N 44 27 W 3535 60 N 44 43 W 3599 N 44 37 W 3663 N 44 22 W 3727 N 44 21 W 3790 N 43 55 W 3854 N 42 3 W 3917 N 34 35 W 3979 N 32 2 W 4040 N 3.1 55 W 4101 44 41 30 92 31 40 65 69 79 0 49 021 0 28 0 22 0 72 0 89 2 93 4 11 0 56 0 44 2551 13 N 2470.44 W 3551 24 N 44 5 W 2596 2642 2688 2734 2779 2825 2874 2926 2978 84 N 2515.48 W 3615 55 N 2560.74 W 3679 35 N 2605.76 W 3743 06 N 2650.45 W 3807 75 N 2694.80 W 3871 85 N 2738.16 W 3934 55 N 2776.95 W 3996 12 N 2810.20 W 4057 31 N 2842.77 W 4117 41 N 44 5 W 74 N 44 6 W 96 N 44 6 W 88 N 44 7 W 56 N 44 7 W 84 N 44 6 W 81 N 44 1 W 02 N 43 51W 24 N 43 40 W 9000 O0 7437.00 7370.50 38 7 9100 92OO 9300 94OO 9500 9600 97O0 9800 9900 O0 7515.20 7448.70 38 57 O0 7592.50 7526.00 40 0 O0 7668.40 7601.90 41 10 O0 7743,32 7676.82 41 35 O0 7817.67 7751,17 42 22 O0 7890.84 7824.34 43 30 O0 7962.90 7896.40 44 21 O0 8033.72 7967.22 45 32 O0 8103.25 8036.75 46 11 N 31 31W 4162 88 N 31 0 W 4224 N 29 26 W 4287 N 28 35 W 4351 N 28 4 W 4416 N 27 54 W 4482 N 27 53 W 4549 N 27 59 W 4617 N 27 43 W 4686 N 27 9 W 4757 68 46 6O 79 42 40 51 86 36 0 93 0 85 1 62 1 39 0 63 1 37 0 46 0 68 0 99 0 47 3030 68 N 2875,12 W 4177 48 N 43 29 W 3O83 3138 3195 3254 3313 3373 3434 3496 3560 92 N 2907 51 W 4238 75 N 2939 47 W 4300 68 N 2971 O0 W 4363 05 N 3002 41 W 4427 04 N 303373 W 4492 30 N 3065165 W 4558 54 N 3098.13 W 4625 96 N 3131.14 W 4693 78 N 3164.24 W 4763 41 N 43 19 W 26 N 43 7 W 40 N 42 55 W 56 N 42 42 W 19 N 42 29 W 22 N 42 16 W 42 N 42 3 W 91 N 41 50 W 57 N 41 38 W 10000 O0 8172 48 8105.98 46 12 10100 O0 8241 10200 O0 8310 10300 O0 8380 10400 O0 8450 10500 O0 8520 10600 O0 8592 10700 O0 8666 10800 O0 8739 10900 O0 8811 N 26 30 W 4827 97 60 8175.10 46 11 N 26 26 W 4898 93 8244.43 46 5 N 26 38 W 4969 51 8314.01 45 53 N 26 54 W 5039 38 8383.88 45 18 N 26 49 W 5109 98 8454.48 44 43 N 25 58 W 5178 74 8526.24 43 26 N 25 16 W 5246 07 8599.57 42 32 N 24 12 W 5312 10 8672.60 43 39 N 23 11 W 5378 06 8744.56 43 59 N 23 2 W 5445 54 O2 31 34 51 32 33 27 18 0 72 0 62 0 75 0 63 0 4O 2 68 1 27 0 99 0 85 0 50 3625.17 N 3196.79 W 4833.36 N 41 24 W 3689.92 N 3228.86 W 4903 16 N 41 11 W 3754.39 N 3261.10 W 4972 3818.48 N 3293.51 W 5042 3882 28 N 3325.89 W 5112 3945 70 N 3357.37 W 5180 4008 49 N 3387.44 W 5248 4070 27 N 3415,90 W 5313 4132 85 N 3443.24 W 5379 4196 69 N 3470.58 W 5445 95 N 40 59 W 62 N 40 47 W 11 N 40 35 W 78 N 40 24 W 12 N 40 12 W 71 N 40 0 W 26 N 39 48 W 83 N 39 35 W 11000 O0 8883 38 8816.88 43 28 11100 O0 8955 59 8889.09 44 10 11200 O0 9026 79 8960.29 45 1 11300 O0 9096 98 9030.48 45 44 11400 O0 9166 60 9100..10 45 49 11430 O0 9187 47 9120.97 45 49 N 22 44 W 5511 65 N 22 14 W 5578 05 N 21 44 W 5645 28 N 21 9 W 5713 28 N 21 1W 5781 71 N 21 1W 5802 25 0 66 0 99 0 92 1 65 0 O0 0 O0 4260 36 N 3497.42 W 5512 04 N 39 23 W 4324 27 N 3523.84 W 5578 24 N 39 11 W 4389 38 N 3550.10 W 5645 34 N 38 58 W 4455 66 N 3576.13 W 5713 29 N 38 45 W 4522 72 N 3601.87 W 5781 73 N 38 32 W 4542 83 N 3609.61 W 5802 29 N 38 28 W COMPUTATION DATE: 5-FEB-91 PAGE 4 BP EXPLORATION S-31(32-27-12-12) PRUDHOE BAY N.SLOPE, ALASKA DATE OF SURVEY: 07-JAN-91 KELLY BUSHING ELEVATION: 66.50 FT ENGINEER: K.BARNARD INTERPOLATED VALUES FOR EVEN 1000 FEET OF MEASURED DEPTH TRUE SUB-SEA COURSE MEASURED VERTICAL VERTICAL DEVIATION AZIMUTH DEPTH DEPTH DEPTH DEG MIN DEG VERTICAL DOGLEG RECTANGULAR COORDINATES HORIZ. DEPARTURE SECTION SEVERITY NORTH/SOUTH EAST/WEST DIST. AZIMUTH FEET DEG/IO0 FEET FEET FEET DEG 0 O0 1000 2000 3000 4000 5000 6000 7O0O 8000 9000 0.00 O0 1000 O0 O0 1999 O0 2971 O0 3777 O0 4478 O0 5200 O0 5912 O0 6660 O0 7437 933 99 1933 38 2904 18 3710 14 4411 74 5134 34 5845 86 6594 O0 7370 -66 50 0 0 50 0 13 49 0 4 88 24 6 68 43 54 64 45 26 24 44 51 84 43 29 36 39 55 50 38 7 N 0 0 E S 85 29 W -1 S 66 1W 1 N 43 33 W 200 N 42 41 W 780 N 43 25 W 1491 N 43 40 W 2179 N 45 31 W 2878 N 44 27 W 3535 N 31 31 W 4162 0 O0 4O 78 18 46 21 71 96 6O 88 0 O0 0 O0 0 O0 3 57 0 34 1 39 0 44 0 39 0 49 0 93 0 O0 N 1 0 147 572 1091 1591 2094 2551 3030 18 S 0 71 S 3 21 N 136 37 N 533 50 N 1022 29 N t499 94 N 1989 13 N 2470 68 N 2875 76 E 1 73 W 3 41W 200 82 W 782 59 W 1495 93 W 2186 65 W 2889 44 W 3551 12 W 4177 0 O0 E 0 O0 N 0 0 E 41 S 32 50 E 80 S 79 11W 70 N 42 49 W 67 N 43 0 W 69 N 43 8 W 78 N 43 18 W 19 N 43 31W 24 N 44 5 W 48 N 43 29 W 10000.00 8172.48 8105.98 46 12 11000.00 8883.38 8816.88 43 28 11430.00 9187.47 9120.97 45 49 N 26 30 W 4827.97 N 22 44 W 5511.65 N 21 1 W 5802.25 0.72 0.66 0.00 3625.17 N 3196.79 W 4833.36 N 41 24 W 4260.36 N 3497.42 W 5512.04 N 39 23 W 4542.83 N 3609.61 W 5802.29 N 38 28 W COMPUTATION DATE: 5-FEB-91 PAGE 5 BP EXPLORATION S-31(32-27-12-12) PRUDHOE BAY N.SLOPE, ALASKA DATE OF SURVEY: 07-JAN-91 KELLY BUSHING ELEVATION: 66.50 FT ENG[NEER: K.BARNARD INTERPOLATED VALUES FOR EVEN 100 FEET OF SUB-SEA DEPTH TRUE SUB-SEA COURSE MEASURED VERTICAL VERTICAL DEVIATION AZIMUTH DEPTH DEPTH DEPTH DEG VERTICAL DOGLEG RECTANGULAR COORDINATES HORIZ. DEPARTURE SECTION SEVERITY NORTH/5OUTH EAST/WEST DIST. AZIMUTH FEET DEG/IO0 FEET FEET FEET DEG MIN 0 O0 66 54 166 5o 266 49 366 50 466 51 566 52 666 50 766 49 866 50 0.00 -66.50 0 0 N 0 0 E 66.50 0.00 0 0 N 0 0 E 166.50 100.00 0 5 S 48 35 E 266.50 200.00 0 12 S 43 21 E 366.50 300.00 0 3 S 51 28 E 466.50 400.00 0 8 S 25 22 E 566.50 500,00 0 8 S 56 19 E 666.50 600.00 0 5 S 12 39 W 766.50 700.00 0 7 5 45 42 E 866.50 800.00 0 3 S 32 28 E 0 O0 0 O0 -0 18 -0 45 -0 70 -0 ,B6 -1 12 -1 24 -1 43 -1 ,56 0 O0 0 O0 016 0 O0 0 23 0 O0 0 O0 001 0 18 0 13 0 O0 N 0 O0 N 0 09 S 0325 0465 0605 0805 0 90 S 1 105 1 17 S 0 O0 E 0 i 00 E 0 18 E 0 32 E 0 55 E 0 63 E O,BO E 0 86 E 0,92 E 1 03 E 0.00 N 0 0 E 0.00 N 0 0 E 0.20 S 64 1 E 0.45 S 45 24 E 0.72 S 50 35 E 0.87 S 46 31 E 1. 13 S 44 59 E 1.24 S 43 33 E 1 .43 S 39 46 E 1 .56 S 41 19 E 966 51 966.50 900.00 1066 52 1066.50 1000.00 1166 50 1166.50 1100.00 1266 50 1266.50 1200.00 1366 50 1366.50 1300.00 1466 53 1466.50 1400.00 1566 50 1566.50 1500.00 1666.52 1666.50 1600.00 1766.51 1766.50 1700.00 1866.51 1866.50 1800.00 0 10 S 89 2 w 0 14 S 86 27 W 0 10 N 81 43 W 0 16 N 70 23 W 0 19 N 84 22 W 0 15 N 89 21 W 0 17 N 83 39 W 0 19 N 82 14 W 0 22 N 83 21 W 0 18 N 85 0 W -1 .46 -1 .24 -1 .05 -0.76 -0.35 -0.03 0.28 0.66 1 .10 1 .54 0.00 0.10 0.00 0,00 0.00 0.00 0.00 0.00 0.00 0.26 1.18 S 1.20 S 1 .21 S 1.10 S 0.97 S 0.96 S 0.94 S 0.86 S 0.78 S 0.70 S 0 88 E 0 49 E 0 17 E 0 16 W 0 66 W 1 15 W 1 62 W 2.14 W 2.73 W 3.35 W 1 .47 S 36 41 E 1 .30 S 22 18 E 1.22 S B 12 E 1.11 S 8 9 W 1.17 S 34 2 W 1 .50 S 50 8 W 1 .87 S 59 54 W 2.30 S 68 3 W 2.83 S 74 7 W 3.42 S 78 7 W 1966 50 1966 50 1900.00 2066 2166 2266 2367 2468 2571 2674 2779 2886.49 2866.50 2800 5O 2066 56 2166 76 2266 46 2366 82 2466 25 2566 97 2666 95 2766 50 2000 O0 50 2100 50 2200 50 2300 5O 2400 50 2500 50 2600 50 2700 0 5 S 74 52 w 0 9 N 39 3 W O0 2 37 N 34 30 W O0 5 12 N 39 19 W O0 7 58 N 41 26 W 22 O0 10 57 N 40 57 W 38 O0 13 55 N 41 46 W 61 O0 16 36 N 41 20 W 88 O0 18 58 N 41 54 W 120 O0 21 3 N 43 28 W ' 156 1 76 1 81 4 17 10 86 37 93 O2 46 33 96 0.22 1 07 2 07 2 49 2 88 3 60 321 1 B1 3 30 1 84 0.70 S 0.72 S 1.24 N 6.56 N 15.29 N 27.82 N 44.37 N 64.93 N 88.88 N 115.76 N 106.56 W 157 3.69 W 3.76 S 79 17 W 3.80 W 3.86 S 79 13 W 5.12 W 5 27 N 76 26 W 9 18 W I 1 28 N 54 26 W 16 69 W 22 64 N 47 30 W 27 55 W 39 15 N 44 44 W 42 21 W 61 24 N 43 34 W 60 44 W 88 70 N 42 57 W 81 52 W 120 60 N 42 31 W 33 N 42 38 W 2994.66 2966.50 2900 O0 23 55 3105.41 3066.50 3000 3219.21 3166.50 3100 3335.70 3266.50 3200 3455.84 3366.50 3300 3580.58 3466.50 3400 3711.14 3566.50 3500 3847.00 3666.50 3600 3985.15 3766.50 3700 4124.21 3866.50 3800 O0 26 56 O0 29 45 O0 31 55 O0 35 14 O0 38 12 O0 41 34 O0 43 8 O0 43 52 O0 44 6 N 43 32 W N 43 51W N 43 38 W N 43 11W N 43 20 W N 43 5 W N 42 40 W N 42 37 W N 42 41 W N 42 45 W 198 01 245 43 299 44 359 O0 425 33 499 66 583 38 675.08 770.19 866.57 371 3 27 2 53 2 11 2 11 2 44 2 32 0 90 0 27 0 23 145.63 N 134.91 W 198 52 N 42 49 W 180 08 N 167.76 W 246 219 262 311 365 427 494 564 635 22 N 205.29 W 300 69 N 246,30 W 360 16 N 291.88 W 426 45 N 342.99 W 501 04 N 400.01 W 585 65 N 462.29 W 677 80 N 526.84 W 772 84 N 592.31 W 868 12 N 42 58 W 34 N 43 7 W 09 N 43 9 W 63 N 43 10 W 20 N 43 11W 12 N 43 8 W 05 N 43 4 W 38 N 43 0 W 98 N 42 58 W COMPUTATION DATE: 5-FEB-91 'PAGE 6 BP EXPLORATION S-31(32-27-12-12) PRUDHOE BAY N.SLOPE, ALASKA DATE OF SURVEY: 07-JAN-91 KELLY BUSHING ELEVATION: 66.50 FT ENGINEER: K.BARNARD INTERPOLATED VALUES FOR EVEN 100 FEET OF SUB-SEA DEPTH TRUE SUB-SEA COURSE MEASURED VERTICAL VERTICAL DEVIATION AZIMUTH DEPTH DEPTH DEPTH DEG VERTICAL DOGLEG RECTANGULAR COORDINATES HORIZ. DEPARTURE SECTION SEVERITY NORTH/SOUTH EAST/WEST DIST, AZIMUTH FEET DEG/IO0 FEET FEET FEET DEG 4264 08 3966.50 3900 O0 44 41 4405 4548 4694 4839 4983 5124 5262 5399 5535 N 42 49 W 964.12 24 4066.50 4000 84 4166.50 4100 29 4266 50 4200 84 4366 50 4300 39 4466 50 4400 49 4566 50 4500 72 4666 50 4600 16 4766 50 4700 34 4866 50 4800 O0 45 25 N 43 10 W 1063.48 O0 46 16 N 43 45 W 1166,19 O0 46 43 N 43 46 W 1271.35 O0 46 21 N 43 38 W 1376.75 O0 45 33 N 43 21 W 1479.39 O0 44 9 N 43 59 W 1578.56 O0 43 9 N 44 6 W 1673.53 O0 42 40 N 43 31 W 1766.02 O0 42 53 N 43 28 W 1858.13 0.66 0.92 0.61 0.23 0.54 0.75 0.42 0.41 0.39 0.31 707 64 N 658.72 W 966 78 N 42 57 W 780 855 931 1008 1082 1154 1223 1290 1357 54 N 726.64 W 1066 34 N 797.54 W 1169 54 N 870.61 W 1275 05 N 943.70 W 1380 88 N 1014.45 W 1483 81 N 1083.28 W 1583 40 N 1149.56 W 1678 40 N 1213.85 W 1771 50 N 1277.42 W 1864 42 N 42 57 W 48 N 43 0 W 04 N 43 4 W 84 N 43 7 W 83 N 43 8 W 37 N 43 10 W 74 N 43 13 W 60 N 43 15 W 03 N 43 16 W 5672 83 4966.50 4900 O0 43 47 5811 5951 6092 6234 6376 6517 6658 6798 6936 83 5066.50 5000 75 5166.50 5100 90 5266.50 5200 59 5366.50 5300 52 5466.50 5400 97 5566.50 5500 45 5666.50 5600 23 5766.50 5700 81 5866.50 5800 O0 44 12 O0 44 41 O0 45 4 O0 45 17 O0 45 4 O0 44 47 O0 44 29 O0 44 8 O0 43 32 N 43 32 W 1952.16 N 43 33 W 2048.38 N 43 49 W 2145.86 N 43 39 W 2245.07 N 43 48 W 2345.09 N 43 56 W 2445.44 N 44 2 W 2545.05 N 44 19 W 2643.23 N 44 41 W 2740.42 N 45 11 W 2835.78 0.58 0.53 0.59 0.36 0.45 0.50 0.59 0.26 0.59 0.74 1425.94 N 1342 38 W 1958 39 N 43 16 W 1495.99 N 1408 1566.73 N 1476 1638.77 N 1545 1711.33 N 1614 1783.99 N 1684 1855,99 N 1753 1926.75 N 1822 1996.47 N 1890 2064.38 N 1958 84 W 2054 44 W 2152 19 W 2252 60 W 2352 40 W 2453 84 W 2553 56 W 2652 97 W 2749 72 W 2845 95 N 43 17 W 79 N 43 18 W 37 N 43 19 W 78 N 43 20 W 53 N 43 21W 56 N 43 23 W 18 N 43 24 W 85 N 43 27 W 74 N 43 30 W 7074.40 5966.50 5900 O0 43 3 7210.98 6066 50 6000 7346.42 6166 50 6100 7480.65 6266 50 6200 7613.74 6366 50 6300 7745.81 6466 50 6400 7877.10 6566 50 6500 8007.35 6666 50 6600 8137.78 6766 50 6700 8268.34 6866.50 6800 O0 42 42 O0 42 14 O0 41 34 O0 40 59 O0 40 36 O0 40 7 O0 39 56 O0 40 4 O0 39 57 N 45 59 W 2929 64 N 46 45 W 3021 N 47 20 W 3112 N 47 24 W 3200 N 47 12 W 3287 N 46 33 W 3372 N 45 9 W 3457 N 44 28 W 3540 N 44 47 W 3623 N 44 29 W 3707 83 17 67 49 9O 27 30 60 O7 0.93 0.67 0.50 0.50 0.42 0.67 1 .22 0.38 0.28 0.27 2130.58 N 2026.21 W 2940 22 N 43 34 W 2194.77 N 2093.52 W 3033 13 N 43 39 W 2256.94 N 2160,41 W 3124 29 N 43 45 W 2317.55 N 2226.30 W 3213 64 N 43 51 W 2377.07 N 2290.87 W 3301 29 N 43 57 W 2435.97 N 2353.97 W 3387 49 N 44 1 W 2495.08 N 2415.12 W 3472 50 N 44 4 W 2554.50 N 2473.74 W 3555 96 N 44 5 W 2614.10 N 2532.58 W 3639.70 N 44 6 W 2673.83 N 2591.52 W 3723.62 N 44 6 W 8398.46 6966.50 6900.00 39 37 8528.09 7066.50 7000.00 39 13 8656.91 7166.50 7100.00 38 25 8783.71 7266.50 7200,00 38 0 8910 58 7366.50 7300.00 37 58 9037 60 7466,50 7400.00 38 25 9166 21 7566.50 7500.00 39 32 9297 48 7666.50 7600.00 41 8 9431 03 7766.50 7700.00 41 47 9566 51 7866.50 7800.00 43 13 N 44 21 W 3789.94 N 43 39 W 3872.02 N 38 0 W 3953.11 N 32 8 W 4030.72 N 31 53 W 4108.25 N 31 25 W 4185.97 N 29 59 W 4266.10 N 28 37 W 4349.98 N 28 1 W 4437.06 N 27 54 W 4526.81 0.74 0.87 5.38 0.83 0.56 1.10 1 .69 1 .39 0.74 1 .36 2733.36 N 2649.77 W 3806.90 N 44 7 W 2792.58 N 2707.12 W 3889.35 N 44 7 W 2853.15 N 2761.21 W 3970.48 N 44 4 W 2917.61 N 2804.87 W 4047.19 N 43 52 W 2983.84 N 2846.21 W 4123.62 N 43 39 W 3050.53 N 2887.26 W 4200.24 N 43 25 W 3119.95 N 2928.78 W 4279.23 N 43 11 W 3194.23 N 2970.21 W 4361.79 N 42 55 W 3272.25 N 3012.11 W 4447.52 N 42 38 W 3352.97 N 3054.90 W 45.35.95 N 42 20 W COMPUTATION DATE: 5-FEB-91 PAGE 7 BP EXPLORATION 5-31(32-27-12-12) PRUDHOE BAY N.SLOPE, ALASKA DATE OF SURVEY: 07-JAN-91 KELLY BUSHING ELEVATION: 66.50 FT ENGINEER: K.BARNARD INTERPOLATED VALUES FOR EVEN 100 FEET OF SUB-SEA DEPTH TRUE SUB-SEA COURSE MEASURED VERTICAL VERTICAL DEVIATION AZIMUTH DEPTH DEPTH DEPTH DEG MIN DEG MIN VERTICAL DOGLEG RECTANGULAR COORDINATES HORIZ. DEPARTURE SECTION SEVERITY NORTH/SOUTH EAST/WEST DIST. AZIMUTH FEET DEG/IO0 FEET FEET FEET DEG MIN 9705 03 7966 50 7900 O0 44 23 9846 9991 10135 10279 10422 10563 10700 1O837 1O976 97 8066 38 8166 95 8266 89 8366 90 8466 65 8566 59 8666 97 8766 50 8000 5O 8100 5O 8200 50 8300 50 8400 50 8500 5O 8600 50 8700 76 8866.50 8800 O0 46 1 O0 46 12 O0 46 7 O0 45 49 O0 45 13 O0 44 0 O0 42 32 O0 44 5 O0 43 27 N 27 58 W 4620.96 N 27 26 W 4719.88 N 26 34 W 4821.88 N 26 36 W 4923.89 N 26 52 W 5025.19 N 26 40 W 5125.24 N 25 30 W 5221.87 N 24 11 W 5312.72 N 23 14 W 5403.60 N 22 48 W 5496.27 0.80 1.18 0.63 0.49 0 08 0 84 2 12 0 99 0 79 0 88 3437 65 N 3099 78 W 4628.83 N 42 2 W 3526 3619 3713 3805 3896 3985 4070 4157 4245 78 N 3146 59 N 3194 12 N 3240 62 N 3286 80 N 3333 78 N 3376 64 N 3416 02 N 3453 61N 3491 73 W 4726.53 N 41 44 W 02 W 4827.34 N 41 26 W ,44 W 4928 25 N 41 7 W 99 W 5028 62 N 40 49 W 21 W 5127 90 N 40 33 W 68 W 5223 83 N 40 16 W 07 W 5314 09 N 40 0 W 60 W 5404 46 N 39 43 W 24 W 5496.72 N 39 26 W 11115.21 8966.50 8900.00 44 18 11256.41 9066.50 9000.00 45 30 11399.85 9166.50 9100.00 45 49 11430.00 9187.47 9120.97 45 49 N 22 9 W 5588.24 N 21 23 W 5683.58 N 21 1 W 5781.61 N 21 1 W 5802.25 0.90 0.80 0.00 0.00 4334.11 N 3527.86 W 5588.41 N 39 9 W 4426.64 N 3564.85 W 5683.60 N 38 51 W 4522.62 N 3601.84 W 5781.63 N 38 32 W 4542.83 N 3609.61 W 5802.29 N 38 28 W SCHLUMBERGER B I RECT I ON~L SURVEY COMPANY BP EXPLORATION WELL 8-31 ( 32-27- 12- 12 ) FI ELD PRUOHOE BAY COUNTRY USA RUN ONE DATE LOOOEO 07 - JAN - 91 REFERENCE 9433] ~':"S- 31-~ { 32-2¢-12-12) -(i639' SNL, 1449' EWL, SEC T12N, R12E) HORIZONTAL PROJECTION .. NORTH GO00 REF 74~31 ~ , ,, ..... ~-,~~~~_, ,~ , , , ~~~ ~ · , , , ~%'-I'-r~-FF ~{ : : t ~ t-~t ..... t-t'-t-t ..... ~? . ~-?T-~t-"~~-~-~--.~-~-~- ~-~-t -~.-+-~ .... ~-~~ ~ ~ ~ : : ~ ~ ~ ~--~-~-~.-~z_~.~_ ~ : , :, · ~ -+----~-~--~ ~._~.,~._~_: : : : i i i i: ~ , ii ! i i ~-~t-~'--~-~+-,--~-~ ;..~_~._~. _: : ' : ! i : :~ : : :: . t t. .-?~ -~-~~-¢-~1 ' · - · ~ : ~ · . . mt ~--- ~ _~- · ~ . , ~ ~ i ; ; : ~ ? :_ _t._%_t_t._, t'-t-'t--~-.. ,--,--t.-.~ ~ _~ _~ _._ - , ~ - ~ ! ! ~ ~ FT-~ ~'-~ ~ ~ ~ ~ Pi ! ~ ~ t F-; T-T':~'-T-~'-T-T~-~-f~,~'-~-~i ] ~ ~ ~ ~ ~ -~-~.-¢ ~_;._~ ~ ~; T-F';' T-T-T-T- '?~-=t .... f-~-t-f- T~%i 1-~.'-T-t" -t-t'-t'!'- -~-~-'.4--&4.4.. =~ 4-&-i_' i..,4_;_: .... :-:.-~-:..._Li~ ~ o .... ..... .... ---f~-~-~-~-~-~---~_~._~_~_~._~_ _~_~i . i_~ ~j~j ~ ~'~i-J'-~-~'-~ ..... ~-~-~-~--~-~--~--~.-~ .... ~--~...~.-~..-J-~-~_L..~._..~._~_~ ~ j ~ ~ -~L .... ~-._,_~_,._~ .... ~_,..~ ....... ,,, ~-,, ~-,.-,--, ..... ,-?,--,--h+~,-.-, .............. ,...,._,._~_...,._,...,._,... , .... ~,~ I, ~-,--,-- -~ooo ~ i i'ii~ ~i i~ ~ -K~~~h~h~ .... Pk~f-~--hH--h--hf-~-~--~--~--~--k~ ...... F~.-.~.-~...~.X.-~::~:]~: :::::::::::::::::::::: -FF~-i .... Fi-Fl- -F?Pf'd'?-P'f-P-~-.-~~ ! i ~~-~ ~ l_~_~["T~'?l .... ?i'-T-i'-?-F'~'-~'"f ..... ~'-'f.-.f-.f-.-I.--~..-~---F-~ ...... ~...~.4...;...1..-;-..;.-~...;_ ~ ~ [ ~/-~-~T- -T~f-~--T~+--+-~--~ ~_~..~.~_~_i ~ ~ ~ i ~ ~ ~ ~"T-?T ..... T'-T'"f'-T"T"t'-'T'-f'"+ ..... ~'-+.-.~---+.-.t--~.-;-4...; ...... F..~...~..~..~._~.,.~...~,..L.. ~,-~ooo ??-~'T'r~T~'-'~-~-~-i'-~'-f"f-~ .... i--~-?~--'-kkF'~"-H-~'-kFFF-:::FFFFJ::F~:FF:::::::::::::::::::::::::::::: ::::::::::::::::::::::::::::::::: :::::::::::::::::::::: ~:~ .... -SOO0 -4000 -qnnn NEST - - 1000 0 1000 2000 ~000 E~T ,~ ~ S-31>.(32-27-12-12) (I63g' SNL, 1449' EWL, SEC T12N, R12E) VERTICAL PROJECTION '. - ! 0(30 0 0 ! 0(30 ~000 ~)000 ,(1300 SO00 6000__ '7000. -im-4--.L-,L- : : ~ : -; -!-t'-1-?- b .-~-i-.' -~- -+-it.-+-"4'-t--~-+-- -.~-+-H+- .... --!-T-?'t-'~'-~'~.'-,~' ~?r-c : ,-,'-'r-' : ~., :-..-~ ~ ~ ~ ~ i ~., ~ , ~ ~ ,, ~ .; ~: : ,- ..-~--.: ..-t-.: -~ .... -~-' '1,- CI~..: .]--~.. · · · · ~ ~ ~ ~, ~' ; :. ~ !~ ~4-.4--.-~.,~--~-.-.;.-~-.~-~ -...;-~-.~-~, ~-~-.;-~-_,.-~_;_.;-.~..;_~._.~.~ .... ~-~-~.;~-.-k-'~-~-~, ~H-I-HHi i ~..'.H..';-~H~ ~-i ~! .,."H--~-H~~-~.-..i-H..' ~-¥.--H-::-¥~--.-:'-i-~%--bH.~--b ~.'-,."-~--b --?.f.'--,.'-~-~j.-..i-.~-,i---.~ .... .... t-.-..~.j~.{-jrj--~ ~-!' t ~ ~ { ~ ] , ... _.. ~ ~ ~ ~ ~ l--.'H-f .:"J ,--~-.~f-f--~.-,.f --.;-..F .-~-; .-f-..i.-.~4 .... ............... ~.~-~_{ .... ~..+,.,p-,; ...... ~._H~...~.. _,.-_~...½.-.x....4_.i_.~_~ -~ i i-i~.-~M- ~i .~ I ~1!i i! ~ if~i~l~ll i I, i il i' iii i ", ~ ri i i = ~_~ .ri -~ I i i i i4 i .." i'i i:i i'~T~l'-~ -~-~i-i-.-~'~i i-~-i--~--.~." ~ i ; ! I I i i ( ( i i ~i i ( · ~ ' ; i-'-'~ ~H~'-+-Li4 .... ' i i i ji':i i!il .... j:li iii!ii:jill! 'Iii ili ' -i--i--~-i--,~-!4:~-~-H-H .... H--H~- 4-(."-~ -½~.~:b½- ~4-H-H-b~...,;-¥Hb ~-~--~--~.-~ ...... H-bi ..... b:.-b~ ~-;.-:-~-- I i i i ' i i !I ll~rl~r] J~ i!ii !Ill ! i il i i ~ Iii I i ~ , i i ill! i j ! ,.- i i ~ i i ! i , :; : ! i i i i i ! i ! i i ! i i i ! i i i : i i i i -b'ti-i- h-.H-~l~--t -i---.~--Hi--;--.MHH- -~.'--~-i-.~.--,~ .-~P-+i-H} '.. I He-..-P-P.4--~ .... i-H-.~--t- -+-H?'--H '--i.-~ --..~!~..~- .--~.-t'--H~ ..... +H-PI-H':~. "-H'P~½ ii i i~ i i: ~ i i ii ii i i i~'." !~--.~-,~'-H~H;%i '4~b.~---I-i-HH~.-HHI-i i i-IH-. ~,'~H-!-~-~-Y.Hii ,'~H~~.-~-i i i ~ iiii .-i~-i~b--~pH"---~+H-~-bi-~-.--~-~-~.J-~.L~! ! i -'..T!-i'-~-H~ ..... !ff-i%"l-ffH i ~-ffPi-i- ~ i fe~.'.-H-~+~-'--i .-t~-:~'-~--ff'-tH?i---i'-%'..-i- -;?~.--.~.--~.-*--i.-i .... ~-I-~'?.-~'.~-. ~-~ . t ! HP~ .-PPPim-H-i i i ~ i i+,-] i i i ~-I .: ! ! ; i .~--.~-~t-.~H .-~--P-i---+-HHP-~+-~--,~-.-~-i--.~--H.--+-I--.~-i ..... .-Hi-!-H :-HHi---~ -~ri~H~ ~I~."-.~ I ~ I i~."- -!..4-.';-H -~i i i -~4.4-.-,.:-...~+' .... i-.~.:-i ..... i--.'~i.-H.--Hi-4--i .... -~-l'-;-F,-i-Y-~- "..'"".."-;-?'"("Tq-r-T- -'..-..*'-t-;'~t-?Ft-F1-...~-T., ",'-~-:-r-~-r-r":'-Y-CF?--('-':-r-'..'-~ ...... l'-r".."-.."-': -f-i-. i-i-td-fl~--,-td-f-td-~-:.,~:'-' .d-i-i--~t.-~--1-~.,..-.5 .-4-~, i ~ i-~.-~-i--.'.~.--i--d--.'.~.."-H .--i-+-+-i-~.-t~-?-+-~-.+-i-+.-H....t.-,:-+--i--.-f-:.-+-.~-~--t-f-: +- --~-~-~-;.-+.-i---.'.~,,,,~. -;-~-~--~-4-~-4-- ( ~ ~-;..4-+-~--~-4-4-- -~-4-~--~- -~ -+.-M~--;-- -~.-~-4.-~ ...... ;-4.4.4 -1'-!;'-T-.'~- '-~'-?t-t--'-?-t-t--?-+--?-!':- ? - -~,--+--~--- -~-.F ..... + .... ~-~-~--..- -~ -,-~-+.-+.-+ .... ~-+.-,.-~ -..--~...~.-~-- .-+.~+...+.-+ ...... ..-?--+.~~ ...... ,--,.-~-? ...... . ...... +--.,- -~-..-~,.- -l~T-l-:~l"l-rf"? .....?'~..-~-~' "I-?-:~: ~-??-:~.?!~-:~-t.-l-l-t'-t-t-t?~'-l'"~! ? ..... f'T-Y-.? ...... T-?-t-,' --~.i-PH.~.H bH.H--P~ ~ i~,ii~!i~ -~-~.-i.~-H4-b';.,.~--~-.-H--~, .... H-bb:-Hbi.-brb!--H .... b:;.--bbi-bb~ -hT-hM-k?-i-t- -:ir.~b~-~ ..-i- d ,,-bM- ~ i k -~ .;-braid-t-i-M-f-~'-hff!'-t ..... !'-t-t-hi ~..-,m j-_il~._.'.~-~-'-cw-.,~..---i .~'..--,~-, -..~-..~; ~.'-.~ i i i ~-~_~ .... .,'-! ,-.'.-,-~'-..'-~-~ ..... '.."-'..'-~'-; .... .'.'-.?.?-'.. ..... .'.--~-~---..'-,'-'..'-,--~'-? .... ~--i--"..--..'- -t-fi-+ --'.'.%-i--t--'--i---H---i .... HH.~-; --.'~.'-~ ~.'~-~ .~-; -H,~-.' ~ ' -~,--i .... +---.~HH ~-.~,."--i .... ->-H!-f-!.-t--t-+--~ .... ~-i--i--i---~.-+-H?'.-?" ..... ?'.-t.-+-~-- b.?'.-b.:~?.- -mc!-i-t ~k~'-~ ~.~fi Hffi i'i iii, -~kH~t~ '-i--H'-ffH--H-h,~H-i--,'-ffi-H-' ff'-H'-h'"H--H .... H---i'-ff 4H-Nq-bi--i i-H--b~-H-~P ~-:~- p~44~p~i-½- -i-~-i !4-~--!~-t4.-bbbi.-f-bbb'.-i.-H.-H...H-bl .... bi-bf-!-.bi-H- --+.-i-i-Ht-i-H-;--.i ...... i"-H,,'-Hi- .4~.'-~-P--HHH~ ! i ~ H-~.'?"-~--H?"--.~--H .-b+-i--.~-.-i.-~--i--H t-.-Ht.-+-e-t.-Ht.-+--?" ...... H.~'4--f't'-?'-"b+-'~ .... !.-i--.Hi ...... H-i-t- -.~-.:-:--:.-~:-?-:-:-~-?.L.~-,~.:~ ~-.1-!-,, : ~ ~t : b~.~--.~-.' .~-?--:-.~.-?-I-~,~-~-?,---~.-??H?-T-?.-.~,'..--? .... ??-1.-.~-.-?--? ...... ~--~.-.7-~? ..... ?-:-+.~- ~__~_~. : ~ : ; : :; : :1;::: ; : . .; ; : :: ~ : : : : : : :~ : ;/::: : : ; : ~ , : : : : : ! , : : : : : , : : : : : : : -l' ! .: i I ~ i ! ~ i : ; : : : : I : j : : !) i i J[ ) i ! i ! : i : : i ;I .: ! ; ! ; 141. PROJECTION ON VERTIClqL PLRNE 521. - 1,41. SCI:IL£O IN VFRTICI::IL O£PTHS HORIZ $CI:tLE = 1/1000 IN/FT AUI_~I.~I_~ L~LULUblt.,AL MATERIALS iNVENTORY LiST PE~iT~ ~o - /~ WELL NAME ~~ ~-- ~/ COMPLET!ONDA~ / I ~ / ~/ CO. CONTACT ~~ checl~ off or list data as it is received.*list received date for ,107. Jf not reouired list as NR ~u, drilline histo,-v' surv'ev well tests core desert cored intervals analysis I dry ditch intervals ! dioital data C..- I -- i i ' I ,"J,~ -rvnc i n,,~, i ,k,~-cn,,..o SCALE I__~11~ I I I--!-- I l-ll'l'~l~ll Ii~ I Li~.lil.l~Ct.~I i NO. ,[to thc nearest foot , : ii iii iJ[ BP EXPLORATION BP Exploration (Alaska) Inc. 900 East Benson Boulevard RO, Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 TO: ARCO CHEVRON EXXON MOBIL PHILLIPS TEXACO STATE OF ALASKA GEOSCIENCE ARCHIVES BP OPEN HOLE FINAL Date' 12/19/90 T#:81949 Enclosed is your copy of the material listed below. If you have any questions, please contact BP Well Records at (907) 564-4445. S-31 BHC 12/14/90 #2 10770-11385 Sch 2"/5" S-31 CNL 12/14/90 #2 7100-11366 Sch 2"/5 S-31 DIL-SFL 12/14/90 #2 10770-11415 Sch 2"/5" S-31 SSTVD Corr. 12/14/90 #2 10770-11415 Sch 1"/2" *** GEOS/ARCO/EXXON/ARCHIVES ONLY. STATE ONLY: Magnetic Single Shot Directional Survey Date: Gyroscopic Directional Date: Job#: Job#: Inforation Control Well Records LR 2-1 J. Dietz/S. McCurry BP EXPLORATION BP Exploration (Alaska) Inc. 900 East Benson Boulevard RO. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 TO' DISTRIBUTION Date: 01/28/91 T#:82020 FROM' SUBJECT: Information Control Well Records LR2-1 BP C..A~ED HOLE FINAL.,~ Enclosed is your copy of the matedal listed below. If you have any questions, please contact BP Well Records at (907) 564-4445. M-27 PRODUCTION LOG 01/20/91 #1 10527-11800 SCH S-31 PRODUCTION LOG 01/21/91 #1 10850-11310 SCH Distribution: ARCO CHEVRON EXXON GEOSCIENCES MOBIL PHILLIPS RESERVOIR STATE OF ALASKA ARCHIVES RECEIVED Aiaska Oil ~, G,.~,.-, Cor~s, L;omrnission Anchorage ARCO Alaska, Inc. Post Office Bo,, ,00360 Anchorage, Alaska 99510-0360 Telephone 907 276 1215 January 22, 1991 Mr. Larry Grant AOGCC 3001 Porcupine Drive Anchorage, Alaska 99501 Reference: Prudhoe Bay Unit S-31 Core Analysis Report Dear Mr. Grant: As per your request, I have enclosed the above-referenced geological data: Prudhoe Bay Unit S-31 Core Analysis Results, 7607.1 - 8162 feet We request that under A.S. 38.05.035 you keep all enclosed material confidential. All data and shipping containers have been stamped "CONFIDENTIAL." Please return a signed copy of this letter to indicate that you have received the report. Sincerely, Mark M. McDermott Data Services Director Enclosures: 1 page data report Approved: Peter A. Barker, Manager, ~Dat~t Prudhoe-Lisbume Development / East Extension Geosciences RECEIVED Received by jAN ) o 1991 _ Date G~~)!I~ 41aska 0il & uas [;0ns. ;_Anch0rag~ ':; ': ARCO Alaska, Inc. is a Subsidiary of AtlanticRichfieldCompany AR3B-6003-C CORE ~pany : ARCO ALASKA, INC. :ation : -12N-12E UR,Fr NE cot 2340'S 2'~L25 W(BHL) ,State : NORTH SLOPE, ALASKA cORE AN LABORA~u~,J.r-,~ Fi el d : PRUDHOE BAY UN!T Format1 on : KUPARUK Coring Flutd: Elevation ALY S I S RESULTS File No.: BP-3-1405 Date : 29-DEC-90 APl No. : Analysts: PLB ~5AH~~PLE DEPTH POROSITY HUMBER (HELIUM) J (i;ORE VOLUME) J OENSITY ft % I 7607.1 57.8 26.6 13.5 77.9 2.67 337. 27.7 29.8 63.6 2.65 659. 28.5 27.6 67.5 2.64 2 7614.0 3 7622.0 4 7652.1 5 7684.0 6 7694.0 7 8003.1 8 8006.0 9 8017.1 10 8032.1 11 8057.1 12 8061.0 13 8072.1 14 8076.9 15 8162.0 17.4 28.1 23.7 76.0 2.63 76.8 28.8 13.1 82.2 2.63 30.5 30.0 67.9 2.62 96.0 31.0 32.6 63.6 2.64 111. 30.1 32.6 63.5 2.62 31.7 20.9 44.3 27.1 19.5 78.7 Z.64 27.6 3.7 95.2 2.65 29.9 12.5 86.6 2.64 29.8 20.0 74.8 2.64 29.8 11.5 81.7 2.67 OLSCRIPTION MOST-ltgy,sdy,vf-fgr ang qtz,sft,mod frt SS_vltgy,fgr,wsrtd,mng,vfri,cly mtrx,qtz Ss.vltgy,fgr,wsrtd,ang,vfri,cly mtrx,qtz SS-ltgy,vf-mgr,pred fgr,mod srtd,sbrnd-ang,vfrt,qtz,mu$c SS_vltgy,fgr,wsrtd,ang,vfri,cly mtrx,qtz,frac SS_vltgy,fgr,wsrtd,ang,vfrt,cly mtrx,qtz,tr blk bit 5S_vltgy,vfgr,vwsrtd,sbrnd-ar~g,m°d frt,qtz,occ glau,tr ltgy cly Ss_vltgy,vf_fgr,wsrtrd,sbrnd'ang'm°d frt,qtz,occ glauc,tr ltgy cly SS-vltgy,vfgr,occ fgr,wsrtd,~)brnd-ang,m°d fri,qtz,ltgy cly,tr glau Ss-vltgy,vfgr,occ fgr, wsrtd sbrnd-ang,vfri,qtz,°cc musc,tr glau Ss_vltgy,vfgr,vwsrtd,sbrnd-ang,m°d frt,qtz,ltgY cly,tr musc SS_vtlgy,vfgr,vwsrtd,sbrnd_ang,mod fri,qtz,ltgy cly,tr musc SLTST-ltgy,occ vfsd,slt fri,qtz,ltgy ¢ly,tr mu$c SS_ltbrngy,vfgr,vwsrtd,sbang,mod fri,qtz,ltgY cly,tr mu$c,tr glau $$_~tgy,vfgr,vwsrtd,sbang,vfrt,qtz 1- 1 BP EXPLORATION TO: DISTRIBUTION BP Exploration (AI.aska) Inc. 900 East Benson Boulevard RO. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 Date :01/11/91 T#:81981 FROM: SUBJECT: Information Control Well Records LR2-1 I~P CASED HOLE FINALS Enclosed is your copy of the material listed below, if you have any questions, please contact BP Well Records at (907) 564-4445. ~ D-24 Perf 01/04/91 #1 10600-10941 Sch 5" -, P-18 Perf 01/06/91 #1 10400-11368 Sch 5" ', S-28 Perf 01/02/91 #3 9700-9850 Sch 5" "- S-30 Perf 01/01/91 #2 11700-12220 Sch 5" ,, S-31 CBT 01/06/91 #1 10380-11342 Sch 5" \ S-31 CET 01/06/91 #1 10380-11365 Sch 5" ,, X-07 Peal 01/03/91 #1 10700-11140 Sch 5" Distribution: ARCO CHEVRON EXXON GEOSCIENCES MOBIL PHILLIPS RESERVOIR STATE OF ALASKA ARCHIVES RECEIVED JAN 1 5 1991 Alaska 0il & Gas Cons. Commission Anchorage BP, EXPLORATION BP Exploration (Alaska) Inc. 900 East Benson Boulevard RO. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 TO: DATE: 12/31/90 T#: 81911 ARCO EXXON PHILLIPS STATE OF ALASKA ARCHIVES SYSTEM T~ape & Transmittal Only BP .MAGNETIC LIS TAPE & LISTING Enclosed is your copy of the material listed below. If you have any questions, please contact BP Well Records at (907) 564-4445. OPEN HOLE: S-31 DITE/BHC/CNL 12/14/90 #2 7100-11415 SC H#74248 1600B PI AP1#50-029-22109 TAPE POS.#07526 ~ ~ ~ ~ C,ASED HOLE: P-19 CNL 12/16/90 #1 9745-10232 SCH#74249 1600BPI AP1#50-029-22094 TAPE POS.#07527 Information Control Well Records LR 2-1 J. Dietz/S. McCurry A~CO ALASKA, INC. DEV. & EXT GEOSClENCE TRAN SM I TTAL TO: . Larry_ Grant - AOGCC _ ADDRESS: _ 3001. po.r.c.upine St. = Anchorage, AK 99501 . . . . FROM: ._ Meg Kremer - AAI DATE: January 3, 1990 Transmitted herewith are the following: One Copy BP EXPLORATION: S-31 12-31=90 TAPE & LISTING OPEN HOLE ( D I TE/LDT/CNL/GR/AMS ) 2630.5-10814 RECEIPT ACKNOWLEDGMENT: ~~ ~~ · RETURN RECEIPT TO:. ARCO AL~, INC, DEV & EXT GEOSCIENCE ATTN: LUClLLE JOHNSTON P,O, BOX 100360 ANCNO~GE, ALAS~ ~1~ RECEIVED JAN 7 1991 Alaska Oil & Gas Cons. Commission .Anchorage DATE: Processed By: L. Johnston ARCO ALASKA, INC. DEV. & EXT GEOSClENCE TRANSMITTAL TO: -Larry Grant - AOGCC ADDRESS: 3001 Porcupine Dr. Anchorage, AK 99501 FROM: DATE: Meg Kremer - AAI January 2, 1991 Transmitted herewith are the following: 00~ Blueline & 1-Sepia Each ARCO & EXXON: BP S-31 12-10-90 12-10-90 12-10-90 CNLD 2704 - 10724 2" & 5" Run 1 DIL(Phasor) 2704 - 10752 2" & 5" CHRON SMPL TKR 7554 - 8241.9 5" . · . Run 1 Run 1 RECEIVED JAN .-~ '1991 - ^tt~t~ka Oil & Ga~ Cons, i;ommi~sion Anchorage ACKNOWLEDGMENT: , _ Am. . · RETURN RECEIPT TO' ARCO ALASKA, INC. DEV & EXT GEOSCIENCE ATTN: LUCILLE JOHNSTON P.O. BOX 1OO360 ANCHORAGE, ALASKA 9951~ DATE: Processed By: t_. Johnston. TO: THRU: · Smit ~z Lonnie C December 21, 1990 C ommis s ioner - DATE: JT.LG.1221 FILE NO: TELEPHONE NO: SUBJECT: BOP Test BPX PBU well S-31 Prudhoe Oil Pool FROM: Louis Grimaldi ~;> 4. Petroleu~n Inspector _Friday' Nov. 30, 1990: I witnessed a BOP test on Nabors Rig #18-E drilling for BPX on pad "S" well #31. All equipment functioned properly with the exception of the following: 1) Valve on bypass blowdo~m leaked (choke manifold) 2) Door seal on upper pipe rams leaked (fixed and retested) 3) HCR valve leaked 4) Pit leveler malfunctioned (fixed before I left) In sum_mary: The test went fairly well. Ail malfunctions were fixed while I was there with the exception of the HCR valve. Attachment. 02-001A (Rev. 6/89) 20/ll/MEMO1.PM3 OPERAT I ON: Wkvr Operator Location: Sec.~~-T //c~/. R /~ H Drig controtr.. ~ Location (general)· ,__.~ ~'~ Housekeeping (general) Reserve pit Well sign Rig,::- Vtsual Audio MUD SYSTEMS: Trip tank Pit gauge Flow monitor Gas detectors BOPE STACK: Annular preventer Pipe rams Bltnd rams ~ Choke line valves HCR valve Kill line valves Check valve STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION BOPE Inspection Report TEST: Initial, ~ Weekly__ Other ACcuMU~ToR SYSTEM: Full charge pressure ~ O~ ~ Press after closure ~ ~ ~~ Pump tncr c]os press 200 pstg Full charge press a~tatned ~.. Control s= Master ~.,~ ()c~ Remote ~'~ Blind switch cover KELLY AND FLOOR SAFETY VALVES: Upper Kelly . Lower Kelly Ball type Inside BOP Choke manifold Number valves Number flanges ? c~ Adjustable chokes ~ Hydraulically operated choke Test Pressure /:o© o . ft pstg psig mt n ~.~---~ sec mi n ~'~,:>-- sec psig Test pressure Test pressure Test pressure Test pressure Test pressure TEST RESULTS: Failures ~ Test time , _.-~' hrs Repair or replacement of failed equipment to be made within .- days. Notify the Inspector, and follow with wrttten/FAXed verification to Commission office. Distribution: orig - AOGCC c - Operator c - Supervisor C.004 (rev 05/10/90) November 26, !990 Telecopy.. (907)276-7542 J. G. Vi drine Prudhoe Bav Unit Lead Engineer BP E×plora~ion (Alaska) Inc. P. O. Box 196612 Anchorage, Alaska 99519-6612 Re: Prudhoe Bay Unit S-3] BP Exploration (Alaska) Inc. Permit No. 90 159 T~ 16 ' 3828'WEL, Sec. 35, T!2N, RI?E T~ Sur. ~oc. 39 S~, ...... , . Btmhole Loc 23&~'q~?~ 9!25'WET., Sec ~v T12N R]2E I~4 Dear Mr. Hsu: Enclosed is the approved application for permit to drill the abovo '~'~----"~n,-~ well The permit to drill 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. The Co~ission will advise you of those BOPE tests that it wishes to witness. Sincerely, i' '" '.., ! ...... '~.~.~..,_--:"--."~, ~,~ Alaska Oil and Gas Conse~ation Co~ission BY ORDER OF %~4E COmmISSION d!f Enclosure cc: Department of Fish & Game, Habitat Section w/o encl. Department of Environmental Conservation w/o encl. STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION PERMIT TO DRILL 20 AAC 25.005 lb. Type of well. Exploratory[] Stratigraphic Test [] Development Oil [] a. Type of work Drill [] Redriill-II Re-Entry [] Deepen Cl 1 Service [] 2. Name of Operator BP Ex/~loration 3. Address p, O. Box 196612. Anchorage. Alaska 99519-6612 4. Location of well at surface 1639' SNL, 3828' WEL, SEC. 35, T12N, R12E At top of productive interval 2500' SNL, 2000' WEL, SEC. 27, T12N, R12E At total depth 2340' SNL, 2125' WEL, SEC. 27, T12N, R12E 2. Distance to nearest 113. Distance to nearest well ;)roperty line I ADL 28257@ 2129' feet S-07@ 900'/33.5' feet 16. To be completed for deviated wells Kickoff depth 23co'feet Maximum hole an 18~ Casing program size Hole Casing 20" 17-1/2" 13-3/8" 12-1/4" 9-5/8" 8-1/2" 5-1/2" 19. To be completed Present well condition summary Total depth: measured true vertical Effective depth: measured true vertical Development Gas [] 5. Datum Elevation (DF or KB) KBE = 66' feet Single Zone [] Multiple Zone [] 10. Field and Pool 6. Property Designation ADL 2825~ 7. Unit or property Name Prudhoe Bay Unit 8. Well number S-31 (32-27-12-12) 9. Approximate spud date November26, 1990 14. Number of acres in property 256O Specifications Weight I Grade Coupling Cond.! 68# I L-80 Butt 47# I L-80 NSCC 17# I NT-80 NSCC I for Redrill, Re-entry, and Deepen Operations· feet feet feet feet Prudhoe Bay Field/Prudhoe Bay Pool ;11. Type Bond(see 20 AAC 25.025) Number 2S100302630-277 Amount $20o, 00o·00 15. Proposed depth (MO and TVO) 11401 'MD/9444'TVDf e e t 7. Anticipated pressure (see 20 AAC 25.035 (e)(2)) iMaxirnurn surface 3330 pstg At total depth (TVD) 8~00'/4~90 psig Setting Depth Tc Bottom TVD M D TVD Plugs (measured) Junk (measured) 110' 2680' 10772' 11401' 110' 2677' 8~2' 9444' Quantity of cement (include stage data) 3722 cuft Permafrost 2343 cu ft Class G 290 cuft Class G Casing Struc'tural Conductor Surface Intermediate Production Liner Perforation depth: Length measured true vertical Size Cemented Measured depth NOV 1 1990 Ala~ 0Il & (la~ 0OHS. Anchorage True Vertical depth 20. Attachments Filing fee I~i Property plat [] BOP Sketch [] Diverter Sketch [] Drilling program [] program [] Time vs depth plot [] Refraction analysis [] Seabed reportl-I 20 AAC 25.050 requirements l'-I 3rillin~ fluid ~.lify.~, ,he)..J~h~egoing is true and correct to the best of my knowledge ).1. I hereby / S,~]ned--"~,~,~/~----'~ I/, ~, Title PBU Lead Engineer Date ~ - Commission Use Only Permit Number {j IAPI number IApproval date ISee cover letter c-.~ C..) -,,2 ..~ ~:~ ] -5 0 ~ :~ c~... ~' '~' / ~ ~ I 1 1 / 2 6 / cp 0 lffor other requirements Conditions of approval Samples required [] Yes./'~ No Mud Icg required [] Yes~No Hydrogen sulfide measures [] Y.e~s .,1~ No Directional. survey requ~rea ~ Yes [] No Required working pressure for BO'PE' [][M;(~3M; ~SM; I-I10M; I-]15M; · .~ ~ \ /; Other. -'~? /'~ ? =" i by order of Approved by ~-~-?!~_. ~.~ (~,'/~~ Commissioner me commission Date /l" 7-d. :orm 10-401 Rev. 12-1~-'-'~5 '" ~'~'-~'~-'~ .(,/'-~'~ Submit in triplicate PROPOSED DRILLING AND COMPLETION PROGRAM WELL S-31 [32-27-12-121 PBU 3FE 1No. 125346 Install and cement 80' of 20" conductor to surface. The drilling fluid program will consist of an 8.5 - 9.5 ppg spud mud in the 17- 1/2" hole, a 8.7 - 9.5 ppg water base mud in the 12-1/4" hole and an 8.8 ppg water base mud in the 8-1/2" hole. Drill 17-1/2" hole straight to 2100' TVD(BKB) and directional to 2700'. Cement 13-3/8" L-80 Buttress casing to surface ( shoe at 2680'). Formation leak-off tests will be performed 10' below the both the 13-3/8" casing shoe and the 9-5/8" casing shoe as per AAC 25.030. InStall blowout prevention equipment consisting of 5000 psi W.P. pipe rams, blind rams, and annular preventer. Maximum possible bottomhole pressure is 3750 psi at 8800' TVD(SS) based 'on original reservoir pressure. Maximum possible surface pressure is 3330 psi based on a gas column to surface from 8600' TVD(SS) and an oil column to 8800' TVD(SS). Directional drill 12-1/4" hole to the 9-5/8" casing point above the Sag River Sandstone. Run 9-5/8" 47// L-80 NSCC casing to within 5' of 12-1/4" TD and cement with Class G cement around the 9-5/8" shoe. The annulus will be freeze protected by dry crude. Directional drill 8-1/2" hole to TD. Run 7" liner from TD to 250' inside 9-5/8" casing shoe and cement using Class G cement. Clean out to 7" float equipment. Change over to NaC1 completion fluid. Test casing and lap to 3000 psi. Run 9-5/8" production packer on tubing. Set packer 50' above top of liner. A subsurface safety valve with dual control lines will be placed 100' below base of permafrost. Install and test Xmas tree with diesel. Displace tubing to diesel. Set and test packer. Shut down rig operations for perforating subsequent to rig release. The well will be perforated in accordance with normal practices. Fluids incidental to the drilling of a well will be pumped down the 9-5/8" x 13- 3/8" annulus of the well. Tubing Size: 4-1/2", 12.6//L-80 TDS TBG with 5 GLM's. Tailpipe Size: 4-1/2", 12.6// L-80 TDS TAILPIPE RECEIVED Oil .& Gas Cons. 20" Conductor 2ELIMINARY WELL PLA.. WELL S-31 (32-27-12-12) PBU PROPOSED DEPTH MD BKB 110' Ball Valve 2100' 13-3/8" Casing Shoe 17-1/2" Open Hole 2680' 2700' Cement Top 3000' 4-I/2" 12.6# L-8OTDS. Tubing with 5GLM's 9-5/8" Packer 10472' 7" Tieback Assembly 10522' 9-5/8" Shoe 12-1/4" Open Hole 10772' 10782' 7" 26# NT-80 Liner 7" PBTD 7" Liner Shoe 8-1/2" Open Hole RE(iEIVED NOV 21 1990 Alaska 011 & Gas Cons. commlsSlou Anchorage 11281' 11401' 11401' SURFACE HOLE DIVERTER SYSTEM Two lines venting 90 deg. apart in directions that ensure safe down wind venting, and ex- tending to a point at least 100' from any potential source of ignition. 10" Full Opening Valves 43! 35' or as required Dresser Sleeve 1. All pipe connections 150# ANSI Flanges or welded connections and secured to prevent movement. 10" Diverter Line 2. Manual 10" full opening valves mechanically connected to ensure that one valve is fail-safe open at all times. 3. All turns are 90 deg. and targeted. 10" Full opening ball valve w/Hydraulic Actuator Cellar 20" Diverter Spool w/10" Side Outlet REEEIVED NOV 2. 1 1990 Jt, Ja$~a .0il .& Gas Cons, Commission Anchorage M EM 1/3/90 BOP STACK CONFIGURATION 13 ~/8", 5000 PSI WP TRIPLE RAM STACK DRILLING RISER ANNULAR' PREVENTER ..1 PIPE RAMS 2" KILL LINE I BLIND RAMS ~,~ DRILLING SPOOL MANUAL HYDRAULIC 'GATE GATE 4" CHOKE LINE HYDRAULIC MANUAL GATE- GATE PI PE RAMS Anchorage PRELIMINARY WELL PLAN WELL: AFE NUMBER: LOCATION: Surface: Target: T.D.: S-31 [32-27-12-12] 1639' SNL, 3828' WEL, 2500' SNL, 2000' WEL, 2340' SNL, 2125' WEL, PBU Sec. 35, T12N, Sec. 27, T12N, Sec. 27, T12N, R12E R12E R12E ESTIMATED START: December 1990 OPR. DAYS TO COMPLETE: 24 Nabors 18E MAX ANGLE/SECT COURSE/KOP/BUILD RATE: 43.3/N 38 W/2100/2.5 Item TVD(SS) MD(BKB) Mud Wt. 110 8.5 2680 9.5 6051 9.0 10772 9.7 10792 8.8 10997 8.8 11104 8.8 11401 8.8 20" CONDUCTOR 80 13-3/8" SHOE 2611 BASE WEST SAK FORMATION 5220 9-5/8" SHOE 8656 TOP SAG RIVER SANDSTONE 867i TOP SADLEROCHIT 8820 TARGET 8 898 TOTAL DEPTH 9378 LOGGING PROGRAM: Open Hole - Record all logs on magnetic tape where applicable. 12-1/4" Hole: None 8-1/2" Hole: DIL/BHCS/CNL/GR/SP (optional LDT; aand RFT) Cased Hole CBT/CET/GR/Gyro SS: 11-21-90 after rig release. RE(ZEIVED NOV 2 1 i990 A_ laska Oil & Gas Cons, Commission ~nchorago $4$DUAll2:[DRAN033]S31 CLOSAP SHORT.LIS;25 Search Radius= 200 COURSE LINE For proposed well:, S-31 [32-27-12-12] Location = W-E S-N TVD(SBS) Top 619612.00 5979855.00 -67.00 Bottom 615802.90 5984570.72 9378.00 21-NOV-1990 ---- Closest Approach Analysis --- Date: 21-NOV-90 Time: 09:36:53 Note: Ail depths in feet Below Kelly Bushing (BKB) 09:37 Page Closest Approach WELL IDENT /PROPOSED~ /NEARBY~ CLOSEST TVD DEPART TVD DEPART DISTANCE A029-2003200 N KUP1 NO COORDINATE POINTS WITHIN SPECIFIED SEARCH WINDOW' A029-2069500 S-3 1099.9 0.0 1100.0 7.1 A029-2069800 S-2 3151.8 255.8 3137.3 78.9 A029-2071701 S-1 3092.0 226.3 2997.9 38.8 A029-2077100 S-9 0.0 0.0 0.0 0.0 A029-2077800 S-8 0.0 0.0 0.6 0.0 /%029-2082900 S-7 899 .7 0.0 900.0 6.6 A029-2083900 S-6 2712.0 83 .6 2712.4 15.3 A029-2086900 S-5 2908.1 147.7 2914.7 10.6 A029-2095900 S-4 3120.2 240.2 3125.5 17.9 A029-2111300 S-15 4045.0 975.4 4404 . 2 701.1 A029-2112300 S-16 4504 . 7 1408 . 5 5028 . 3 1100 . 3 A029-2161100 S-19 3323 . 4 354 . 0 3311 . 2 17.4 A029-2163700 ' S-20 3189 . 6 276 . 2 3194 . 5 69 . 8 A029-2203600 S-21 ( 3357.1 376.1 3370.4 79.1 A029-2204400 S-24 ( 3434.9 429.4 3513.8 141.5 A029-2204700 S-26 ( 2995.5 182.6 2995.9 18.1 A029-2205100 S-30 ( 2548.6 44.9 2545.3 1.7 A029-2205700 S--27 2886.9 139.4 2873.2 7.7 A029-2207700 S - 25 3073.8 217.3 3071.8 16.7 469.9 456.9 611.4 185.0 75.0 33.5 127.0 201.0 273.1 567.8 765.9 465.3 420.8 327.5 230.9 208.3 54.1 171.5 244.6 Vertical /PROPOSED% TVD DEPART Intersection /NEARBY~ TVD DEPART 3794.5 739.5 4691.9 967.5 3974.6 909.1 5093.6 1183.5 VERTICAL DISTANCE 895.6 1118.9 3501.4 478.6 6171.8 373.5 2671.7 5367.4 2221.1 6275.2 1976.0 910.2 3324.6 354.8 3912.1 327.4 588.3 _$45DUAl12:[DRAN033]S31_CLOSAP_SHORT.LiS;25 A029-2208200 S-29 ( 1627.2 0.0 1623.3 A029-22088 S-23 ( 5262.1 2121.9 5335.6 8.7 1774.0 SUMMARY The well which comes closest to the proposed well is: A029-2082900 S-7 108.6 114.2 21-NOV-1990 09:37 Page 2 5069.9 1940.8 5240.5 1669.9 i73.1 Closest approach distance = KICK OFF for this run = 33.5 feet 2100.0 feet _$45DUAl12:[DRAN033]S31_CLOSAP_SHORT7.LIS;17 21-NOV-1990 09:56 Page I Closest Approach Analysis --- Date: 21-NOV-90 Time: 09:55:50 search Radius= 200 :i ;:,~iT.iDEGREEi, LEAD LINE For proposed well: S-31!© .... [32"27-12-12] Location = W-E S-N TVD(SBS) Top 619612.00 5979855.00 -67.00 Bottom 615256.59 5984071.36 9378.00 Note: All depths in feet Below Kelly Bushing (BKB) Closest Approach WELL IDENT /PROPOSED~ /NEARBY~ CLOSEST TVD DEPART TVD DEPART DISTANCE A029-2003200 N KUP1 NO COORDINATE POINTS WITHIN SPECIFIED SEARCH WINDOW' A029-2069500 S-3 1099.9 0 .0 1100.0 7.1 469.9 A029-2069800 S-2 3206.6 285.5 3183.7 90.8 423.9 A029-2071701 S-1 3211.4 288.1 3095.9 49.0 582.8 A029-2077100 S-9 0 .0 0.0 0 .0 0.0 185.0 A029-2077800 S-8 0.0 0.0 0.6 0.0 75.0 A029-2082900 S-7 899.7 0.0 900.0 6.6 33.5 A029-2083900 S-6 2766.0 99.3 2766.6 15.3 115.8 A029-2086900 S-5 2967.7 170.8 2974.3 10.9 181.6 A029-2095900 S-4 3186.2 274.3 3192.3 18.3 241.6 A029-2111300 S-15 3973.8 908.4 4289.6 599.5 518.4 A029--2112300 S-16 4319.5 1234.0 4816. i 846.2 742.5 A029-2161100 S-19 3388.2 396.9 3372.0 20.0 419.5 A029-2163700 S-20 3271.8 322.7 3275.1 69.7 384.4 A029-2203600 S-21 ( 3510.9 486.2 3544.2 132.6 274.4 A029-2204400 $-24 ( 3417.2 416.4 3473.8 127.3 188.0 A029-2204700 S-26 ( 3045.6 204.6 3044.9 18.3 184.8 A029-2205100 S-30 ( 2582.8 51.7 2579.5 1.9 48.2 A029-2205700 5-27 2916.9 151.1 2899.9 8.4 153.5 A029-2207700 S - 25 3135.6 247.8 3134.4 17.1 216.2 Vertical /PROPOSED~ TVD DEPART 0 t'~ ~ ~ 3742.7 690.7 3883.2 823.0 4468.5 1374.3 3320.9 352.6 3422.8 420.5 Intersection /NEARBY% TVD DEPART 4586.5 867.7 4985.6 1047.3 VERTICAL DISTANCE 842.1 1102.3 6005.7 293.8 2584.3 5052.0 1103.1 585.9 3835.2 285.2 515.0 $4$DUAll2:[DRAN033]S31 CLOSAP SHORT7.LIS;17 A029-2208200 S-29 ( 1627.2 0.0 1623.3 8.7 108.6 A029-22088 S-23 ( 4711.4 1603.2 4828.0 1183.5 180.7 A029-2208800 S-23 4711.4 1603.2 4828.0 1183.5 180.7 21-NOV-1990 4448.7 4448.7 09:56 1355.7 1355.7 4717.2 4717.2 1052.7 1052.7 Page 2 271.0 271.0 SUMMARY The well which comes closest to the proposed well is: A029-2082900 S-7 Closest approach distance = 33.5 feet KICK OFF for this run = 2100.0 feet = Z I"~ ~ O MUD WEIGHT CALCULATIONS WI~LL S-31 (32-27-12-12} Mud Wt. (8-1/2" Hole): P @ Sag River: P @ Sadlerochit: P @ Top S adlerochit: OB @ Sag River: OB @ Top Sadlerochit: Current GOC: 9-5/8" Casing Shoe: Top Sag River: Top Sadlerochit: 8.8 ppg. 3800 psi. 3700 psi. at 8800' TVDSS 3693 psi. 200 psi. 366 psi. Not available 8723' TVDBKB 8738' TVDBKB 8887' TVDBKB CEMENT CALCULATION 13-3/8" CASING Measured Depth: Basis: Total Cement Vol: Lead Slurry Vol: Tail Slurry Vol: 9-5/8"CASING Measured Depth: Basis: Total Cement Vol: Lead Slurry Vol: Tail Slurry Vol: 7" LINER Measured Depth: Basis: Total Cement Vol: 2680' 2 X Annular Volume 3722 cu ft 2040 cu ft (1050 Sx Arcticset III @ 1.94 Cu ft/Sk) 1686 cuft (1813 Sx Arcticset II @ 0.93 Cu ft/Sk) 10772' 90% Annular Volume to 13-3/8" + 50 cu ft 2343 cu ft 2113 cuft (1180 Sx G+8% @ 1.79 Cu ft/Sk) 230 cuft (200 Sx Neat G @ 1.15 Cu ft/Sk) 10522' (Hanger) - 11401' (Shoe) 1.5 X Annular volume to 9-5/8" shoe + 150 cu ft 290 cu ft (250 Sx @ 1.16 Cu ft/Sk) SS: 11-21-90 RECEIVED NOV 2 1 1990 Alaska Oil & Gas Cons. Commission Anchorage NOTE &U¥ 7'4/jIc PI L. L. TP~AJ IC FAt, Ir. Kill - Choke Manifold - Poor Boy Degasser · - Brand t Vacuum. Type Degasser - Brand t Dual Tandem Shale Shaker - Pioneer Mud Cleaners - Pioneer MKI Centrifuge '1 TO pIT' WATER TRIP TANK V~I. ~I H E Ioo I~0 80L. TYf~. I, eLUH~' TNU K HUD DISTRIEtdTION D~TC MUO CZfAN~ _ ~. CONE Ptr 1 - RecOrding drilling fluid, pit 'level indicator with both visual and audio warning devices at driller's console 1 - Trip Tank (75 BBL.) 1 - Drilling fluid flow sensor with readout,at driller's console 11 - 5 Hp Agitators CHECK LIST FOR NEW WELL PERMITS ITEM APPROVE DATE (2 thru 8')' ' (3) Admin ~// /?/~/~,b 9. / [,,9~thru~ 10. ~:~-.c--~,~. /! - ~" -'~ > 11. (10 and 13) 12. 13. (14 thru 22) (23 thru 28) Company { ~ Lease & Well No. /~A YES NO Is the permit fee attached .......................................... 2. Is well to' be located in a defined pool ............................. 3. Is well located proper distance from property line .................. 4. Is well located proper distance from other wells .................... 5. Is sufficient undedicated acreage available in this pool ............ 6. Is well to be deviated and is wellbore plat included ................ 7. Is operator the only affected party .. ............................... 8. Can permit be approved before fifteen-day wait ...................... Does operator have a bond in force .................................. Is a conservation order needed ...................................... Is administrative approval needed ................................... Is the lease number appropriate ..................................... Does the well have a unique name and number ......................... 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. Is conductor string provided ........................................ Will surface casing protect all zones reasonably expected to serve as an underground source of drinking water ..................... Is enough cement used to circulate on conductor and surface ......... Will cement tie in surface and intermediate or production strings ... Will cement cover all known productive horizons ..................... Will all casing give adequate safety in collapse, tension and burst.. Is this well to be kicked off from an existing wellbore ............. Is old wellbore abandonment procedure included on 10-403 ............ Is adequate wellbore separation proposed ............................ Is a diverter system required ....................................... Is the drilling fluid program schematic and list of equipment adequate ~/ Are necessary diagrams and descriptions of diverter and BOPE attached. /~.z~ Does BOPE have sufficient pressure rating - Test Does the choke manifold comply w/API RP-53 (May 84) .................. Is the presence of H2S gas probable ................................. (6) OTHER 4f~.thru~ rev: 01/30/89 6.011 For 29. 30. 31. 32. exploratory and Stratigraphic wells: Are data presented on potential overpressure zones? ................. Are seismic analysis data presented on shallow gas zones ............ If an offshore loc., are survey results of seabed conditions presented Additional requirements ............................................. ./ INITIAL GEO. UNIT ON / OFF POOL CLASS STATUSAREA NO. SHORE Well History File APPENDIX Information of detailed nature that is not particularly germane to the Well Permitting Process but is part of the history file. To improve the readability of the Well History file and to simplify finding information, information, of this nature is accumulated at the end of the file under APPENDIXl .. No special'effort has been made to chronologically organize this category of information. .o COMPANY NA~E I BP EXPbORATION ~Ebb NA~E_, I~ ~RUDHOE BAY FIELD BOROUGH I NORTH SbOPE STATE I AbASKA RPI NUMBER REFERENCE NO ~ ~0,029-22109 RECEIVEI) Tape Verification Listing ~¢hlUmber~erAlaska Compt. ltlng Center 2-JAN-1991 20:09 *$** REEL HEADER ***~ SERVICE NAME : EDIT DATE ~ 91/01/ 2 ORIGIN : FLIC REEL NAME, : 74237 CONTINUATION # m PREVIOUS REEL : COMMENT : BP EXPLORATION,PRUDHOE BAY,S - 31,50-029-22109 · $$* TAPE HEADER ***~ SERVICE NAME : EDIT DATE : 91/01/ 2 OR~GIN : FblC TA E NAME ~ 74237 CONTINUATION # : 1 PREVIOUS TAPE : CO~ENT : BP EXPLORATION,PRUDHOE BAY,S - 31,50-029-22!09 **** FILE HEADER **** FILE NAME ~ EDIT ,001 SERVICE : FLIC VERSION : O01A06 DATE M~X REC SIZE : 1024 FILE TYPE : LO L~ST FILE ******************************************************************************* ******************************************************************************* ** ** SCHLUMBERGER WELL SERVICES ** ** ******************************************************************************* ******************************************************************************* COMPANY NAME: BP EXPLORATION FIELD: PRUDHOE BAY BOROUGH: NORTH SLOPE STATE: ALASKA API NUMBER: 50-029-22109 LOCATION~ 1639' SNL & ]828' WEL SECTIONS ]5 TOWNSHIP: 12N RANGE: 12E PERMANENT DATUN~ MSb ELEVATION: O' LOG MEASURED FROM RKB 65.9' ABOVE PERMANENT DATUM ~IS Ta~e Verification Listing ~chlUm erGer AlasKa Computing Center 2-jAN-%991 20:09 ELEVATIONS DATE 50GGED: RUN NUMBER: TD DRILLER: KB: 65,9' DF: 64,4' GL: 35,2' Il-DEC-1990 ONE 10788' 3/8" 72 bB ~ DRILLER DEPTH OF O' TO 2707' BIT SIZE 1: 12 1/4" TYPE FLUID IN HOLE: LOW SOLIDS DENSITY: 9,9 VISCOSITY: 38 PH: 9,5 FLUID LOSS~ 6 FILTRATE RESISTIVITY, 2~85 967 DEGF ~UD C~RE RESISTIVITY: 2,47 ~ 67 DEGF TIM~ CIRCULATION ENDED: 0 0 10*DE'C-0 TI~E LOGGER ON BOTTOm: 1 6 lO*DEC- 0 ~XI~U~,TEMP RECORDED: 159 DEGF LOGGING DISTRICT: PRUDHOE BAY LOGGING ENGINEER~ WEST / FRITZKE_ _ WITNESS~ BERGEN/DAWSON/ZARNDT/FRAKENBURG TOOL NUMBERS: TCM-AB ~13 TCC-B 42~ AMM~AA 77 S~C-S 1 CNC-HA 332 DRS"C 7 NSC"E 760 PDH-L ~789 PGD-G ~800 DIC-EB 15 DIS-HC 240 FIELD REMARK$~ STRING (BOT-TOP): DITE-LDT-CNLmGR. G~TOOusED FOR DEPTH CORRELATION 3" RUBBER STANDOFFS AND A 2' RUBBER HOLEFINDER WERE USED ON THE TOOL STRING. BOWSPRING USED ON CNL. MATRIX'~ SAND HOLE CORRECTION ~ATRIX DENSITY = 2,65 G/CC,, DHC= NO~E DATE jOB STARTED{ 31-DEC-90 JOB REFERENCE NO{ 74237 LDP/ANA: R. KRUWEL5 FILE - EDIT,OOI BP EXPLORATION PRUDHOE BAY ,~15 Ta~e Verification blst ~ ,chlumberger AIasl~a ¢omput~ Center '2-OAN-i991 20=09 * S - 31 * * * * "~AIN PASS LOG DATA FRO~ FIELD TAPE FILE TOH,oit" ., * DATA SAMPLED EVERY -,5000 FEET * DATA INCLUDED * * TOOL EXTENSION TOOL * TYPE USED NAME * DIT-E ,DTE PHASOR DUAL INDUCTION.SFb * LDT ,bDT ~ bITHO DENSITY * CNT-A/D/H ,CML COMPENSATED NEUTRON , ******************************************************************************* TABLE TYPE : CONS CN BP EXPLORATION FN PRUDHOE BAY APIN 50-029-22109 FL 1639' SNb & 3828' WEb 3 SECT TOWN RANG COUN NORTH sLOPE STAT NATI USA WlTN BERGEN/DAWSON/ZARNDT/FRAKENBU SON 548183 ' PDAT 5~F APD FT 6~,90001 E~B FT EDF FT 64'40001 ECL FT 35.2 TDD FT 10788, BLI FT 10752, TLI FT 2704. DFT LOW SOLIDS DFD G/C3 9,~ V CP' 3~, DFL F3 6, R~S OHMN 2 63 MST DEGF 6~, TUNI VAbU DEF'I OmPa;~y. Name. ~e [ Name . AP Serial aumeet r~e'ld bOcat~on Sectto~ To:Wnshlp Range County State or erovince Nat~on~ w~tness" Name Service:Order Number Permanent datum E~evet~on ot Perm, Oatum bog Measured rtom ABOVE PERMANENT.DATUM ElevetXOn ot Kelly Bushing Elevation o~ Derr~ek Elevation of Ground beveZ Total ~epth - Dr~[er Bottom hogtI~erval To bog'~n · Dr~l~tng FlUid ~¥~e~ Drilling FlUid Density Or$11~n~ Fluid Ph Drlll!n~ Fluld ViScosity Drllltng.,.r!utd boss Reslstlvtt¥ ot ~ud_$ample Mud Sample TemPerature ,IS Ta~e Verification Listi g ;chlUmerger AlasKa Comput nng Center 2-JAN-1991 20109 PAGEI 4 TUNI VALU DEFI RMFS OHMM 2.85 ReslstlV tY Of mud ~tltrate MFST DEGF 67, Mud~Flit ateSampie'_Tempgrat~ RMCS OHMN 2,~7 Resistiv tY o~ ~d.CaKe..'sampl MCST ' DEGF 67 Mud Ca~e SamPie.~empe~&[u~e BHT DEGF 15~, Bottom Hole Temperature TABLE TYPE : CURV DEPT BFbU S~ IDPH IMPH IFRE IDOF CIDP CI~P IIRD IIRM MTE~ ~RES HTEN RHOB DRHO PEF bS bU LIT. bSHV $~RH LSRH LURH CAb! TENS ~TE~ DEFI Depth Channel Name SFL~Reslstivity (unaveraged) Medium InductiOn Standard Processed Res~st~ ty Deep Induction Standard Processed Resistivl y ~ntaneou$ Pot ti'1 INDUCTION MEDIUM PHASOR CONDUCTiViTY Deep Induction Real Intermediat- Condu:tivit~ Deep Induction Quad Intermediate Conductiv it ¥ Medium Induction ~eal Intermediate ConductiVity Gamm@ Ray Tenslon Mud Temperature MUD Resistivity Head Tension BulE Density Delta Photoelectric Factor Oua[tty control o~ lonq spaciOg ~or bDT Oual!ty control on short Soaclng for bonq S~acin~ ComPuted Coun[ Rate (bb+bU/2) Long Upper 1-2 Window Count Rate (~UI+~U2) bong 6ower. Wlndow Count Rate 6itholog window Count Rate Short Spacinq ! Windo~ Count Rate ShOrt SPaclnq 2 Window Count Rate. ~png_$~aci~g'H~gh Voltage Output snort ~pac1~ Hlgh Voltage Loop Output Short Spac[n~ ! Density Bong Spacing-RHOB ( ncortectU ed- bon~ Upper Caliper Gamma Ray Tension Mud Temperature MUD ResistiVity Tape verification [~lsting )¢hlumber~er A!as~a Computing Center 2-JAN-,1991 20'{09 DEFI ~T~N Head Tension N~I Neutron Porosity RTNR Raw Thermal Neutron Ratio TNPH ~he~mal. Neu~ron Porosity TNRA calibrated Thermal Neutron Ratio NPOR Neutron Porosity Output From an Application Program RCNT RCNT ReFT RCFT CNTC CNTC CFTC CFTC GR Gamma Ray TENS Tens ~RES MUD Resistivity MTEM Mud Temperature HTEN Head Tension DATA FORMAT SPECIFICATION RECORD SET TYPE - 64ES ** TYPE ,REPR CODE VA~UE 1 66 0 2 6 0 , 228 4 66 5 66 7 65 65 ! 66 4 Ii 68 13 66 0 14 65 F~ 15 66 68 16 66 1 0 66 0 ** SET TYPE - CHAN NAME SERV UNIT SERVICE AP1 APl API lPI FILE NUMB NUMB SIZE REPR PROCESS ID ORDER # LOG TYPE CLASS MOD NUMB SAMP ELEM CODE (HEX) DEPT FT 548183 00 000 00 0 I I I 4 68 0000000000 SFLU OrE O~M~ 5481~3 O0 000 O0 0 I 1 ! 4 68 0000000000 ILa DTE OHM~ 548183 O0 000 00 0 1 1 1 4 68 0000000000 ,IS Tape Verification blstln ~chlUmberger Alaska Computin~ Center 2-JAN-t99! 20{09 PAGE~ NAME SERV UNIT SERVICE API APl APl APl FILE NUMB NUMB SIZE REPR PROCESS N U~B SAMP EbEM CODE CHEX) ID ORDER # LOG TYPE CLASS MOD iLD DTE OHMM 5~8183 O0 000 O0 0 ! i 1 4 68 0000000000 SP DTE MV 548183 IDPH DTE OHMM 548183 I~P" DT~ O.~M 548183 IFR~ DT~ HZ 548183 GLS LDT 548183 ~SS LOT 548!83 LS bDT CPS 548183 bU bDT CPS 548183 bb bDT CPS 548183 LIT. LDT CPS 548183 SS, bDT CPS 548i83 SS2 bDT CPS 548183 LSHV bDT V 548183 $$HV bDT v 548183 SlRH LDT G/C3 548 8 LSRH LDT G/C3 548 83 LURH LDT G/C3 548183 CALI bDT IN 54818) GR bDT GAPI 548183 TENS bDT bB 548183 MTE~ bDT DEGF 548183 MRES bDT OHMM 548183 HTEN LDT LB 548183 NPHI CNL PU 548183 RTN'R CNL 548183 TNPH CNb PU 548183 TNRA CNL 548183 NPOR CNL PU 548183 RCNT CNb CPS 548t83 RCFT CNL CPS 548183 00 000 00 0 1 1 1 4 00 000 00 0 I I I 4 00 000 00 0 1 1 1 4 00 000 00 0 I 1 I 4 0 000 00 0 ! 1 I ~0 000 00 0 1 1 00 000 00 0 ! 1 1 4 00 000 00 0 ! t 1 4 00 00'0 00 0 1 ! 1 4 O0 000 '00 0 I i I 4 00 000 00 0 I i 1 4 00 000 00 0 1 1 ! 4 00 000 00 0 ! 1 4 00 000 00 0 1 11 1 4 O0 000 O0 0 I ! 1 4 00 000 00 0 ! 1 1 4 OO 000 O0 0 oo ooo oo o I I I O0 000 O0 0 oo ooo oo o i. I 1 O0 000 O0 0 X 1 ! 4 oo 000 o0 0 I t I 4 o 000 O0 0 1 4 ~0 000 O0 0 I i I 4 00 000 00 0 1 I I 4 00 000 00 0 I , i 4 O0 000 oo 0 i ! 1 4 o0 000 O0 0 1 1 1 4 00 000 00 0 1 1 .! 4 o0 000 O0 0 4 oo 000 oo 0 4 O0 000 00 0 1 I i 4 00 000 00 0 1 I 1 4 O0 000 O0 0 ! I ! 4 00 000 00 0 ! 1 1 4 O0 000 O0 0 1 1 1 4 O0 000 00 0 1 1 I 4 O0 000 O0 0 I I I 4 00 000 O0 0 ! I I 4 O0 000 O0 0 1 I I 4 00 000 00 0 1 I 1 4 O0 000 O0 0 I I 1 4 O0 000 O0 0 1 1 1 4 O0 000 O0 0 1 1 1 4 o0o 0o 0 1 I I 4 o0o o0 0 1 1 I 4 o0o 0o 0 1 1 ! 4 000 oo o 1 1 1 4 oo0 O0 o 1 1 1 4 CNTC CNL CPS 548183. 00 CFTC CNL CPS 548183 00 GR CNb GAPI 548183 00 CALI CNL IN 548183 00 TENS CNL LB 548183 O0 68 66 68 68 68 ,66 68 8 68 68 68 68 68 68 68 68 68 O0 0 00000 0 ° 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 000:0000000 00000:00000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000, 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 00o0000000 0000000000 0000000000 0000000000 000000000o 0000000000 o000000000 o000000000 0o00000000 0000000000 ~IS Ta e Verification Listing .chl~m~erger laska Computing Center 2-dAN-1991 20~09 NAME SERV UNIT SERVICE RPI APl API API FILE NUMB NUMB SIZE REPR PROCESS ID ORDER # LOG TYPE CLASS MOD NUMB SA~P EBEM .CODE CHEX) MAES CML OHMM 548183 O0 000 O0 0 1 I I 4 68 0000000000 MTE~ CNb DEGF 548183 O0 000 O0 0 ~ I I 4 68 0000000000 HTEN CNb b8 548183 O0 000 O0 0 . 1 I 4 68 0000000000 DEPT SP DTE II~O DTE TE~$ DTE RHOB bDT OSS BDT LITM LDT $SH¥ bDT CALI bDT MAES bDT TNPH CML RCFT CML CALl CNb HTEN CML DEPT SP DTE fDOF DTE IRO DTE TENS DTE RHOB bDT 088 bITH BDT $$HV bDT CAb! BDT MRES bDT TNPH CHh RCFT CNb CRBI CML NTEN CNb DEPT. SP DTE IDOF DTE IIRD DTE TENS DTE AH08 bDT O$S.bDT bITH.bDT $SHV,LDT CRLI.bDT MAES.bDT 10814 000 135 000 3 000 422 750 5145 000 1989 -0025 00 ! 0 49 498 -3O3 13 000 3 000 422 750 6595 000 I 989 ~0 025 245 000 1327 000 2 ~27 1.050 49.498 431 782 2 727 380 25O 10700.000 -19.250 0.000 5~3,000 71 0,000 2,442 0,023 84,000 ~327,000 I 49 srbu DTE IDPH DTE IMOF DTE IIXD, DTE MTE~,DTE DRHO, BDT bS, LDT SSI bDT SXRH, BDT GR 5DT HTEN BDT TNRA CML CNTC TENS CML $FBUDTE IDPH DTE INQF.DTE IIXD,DTE MTEM.DTE DRHOibDT bSBDT SS BDT $1R~bDT GR,bDT HTEN,BDT TNRA,CNb CNTC'C~b TEN$,CNb SFBU.DTE IDPH.DTE IMOF,DTE IIXD.DTE MTEM.DTE DRHO.bDT BS,bDT S$1.LDT SlRH.LDT GR bDT HTEN:LDT 2,957 0:108 748 00 30- 500 1!0 897 102 145 000 2 957 923 000 74~ 000 14~ 750 380 250 ~0 6595 000 1,562 1.516 0,000 o°o 75O 30~ 056 000 223 125 2 254 145 750 814 000 ILM DTE .!MPB ,DTE CIDP DTE IIRM DTE MAES :DTE eEF BDT LU bDT bDT TEN& bDT NPHI'CNB NPOR+CNB CFTC,CN5 ~RE$,CNb IBM,DTE I~PM,DTE ClDP,DTE IiRM.DTE MRE$*DTE PEF~bDT LU.BDT $$2.bDT BSRH,BDT TENS.BDT NPHI,CNb NPOR,CNB CFTC.CNB MRES,CNB IbM.DTE I~PH,DTE CIDP,DTE IIR ,DTE MRE~,DTE PEr. BDT LU.bDT SS2,~DT LSRH,bDT TENS.bDT NPHI,CNb 24 ILD~DTE IFRE, DES:; t. 050 ,3, o63 ,bDT 7o4~000 Bb~BDT 418~000 bSH¥,BDT ~:,880 BURH,BDT 5145;000 ~TE~BDT 6~:..007 RTNR,CNB 49,498 RCNT,CNB 468,~212 GR, CN'B 1.050 MTEM,CNB 2'44~ IBD'DTE 2.,44 IFI~.DTE 520,000 CI~ .,:DTE 379.,500 GR.DTE · t,050 HTEN.DTE L 2.?07 Gb8'BDT 704*000 Lb. BOX 4:18~.000 ~.880 BURH-BDT 6595.000 61~007 RTNReCNB 49,498 RCNX'CNb 468,212 -GR,CNB 1,050 MTEN,CNb I 557 IBD, I 537 IFRE.; 659 586 ~9 7190 47 000 ClMP 500 GR 049 NTEN 654 25O .000 bSHV 385 LURH 000 ~TE~ 007 RTNR DTE DTE DTE DTE DTE BDT bDT bDT BDT .BDT 4 9 0 ~0 ~7 ~0 O0 0'7 · ~' 0 t57. 20,000 650,000 814,000 -'0,013 2'389 4,351 Tape Yerificatlon. Listing chlumberger AlasKa Computing Center TNPH CNL RCFT CNL CALl 44 061 444 667 12 8O5 8!4 000 TNRA,CNL CNTC.C~JL TEN$.CNL DEPT, IDOF DTE IIRD DTE TENS DTE RHOB bDT OSS LDT L!TH LDT SSHV bDT MRES DT TNP~ RCFT CN5 HTEN CNL 10600 000 -5 004 0 000 464 500 7035 000 2 470 0 5 1~29 000 ~3 8~4 4,59,374 13 4 O0 SFLUDTE IDPHiDTE IMQF DTE IIXD DTE MTEM DTE DRHO bDT L$ LDT SS1LDT SIRH LDT GR GDT HTEN bDT TNRA CNb CNTC CNL TENS CNL DEPT, IIRD, DTE TENS DTE RHOBLDT QSS LDT LITH GDT $SHV GDT CAL! LDT ~CFT CN5 CAL! CNG HTEN CNG 0 373 6805 2 0 86 1330 42 49O 000 875 000 25O 000 4~0 000 000 O8 O0 000 SFLU DTE IDPH DTE IMOF,DTE iIXD DTE MTEM DTE DRMO bDT LSiLDT S$1, LDT S1RH, LDT GR bDT HTEN bDT TNRR CNG CNTC CNG TEN& CNL D~PT SP IDOF TENS RHOB LITH CALl ~ES TNPM RCFT HTEN DTE DTE DTE DTE bDT LDT bDT LDT bDT DT CNG 10400,000 '13,500 0,000 492,000 6805,000 2 451 0 021 70 375 1330 000 13 719 I O84 41 625 451 811 13 719 785.500 8FLU IDPH XMQF XIXP, MTEM, DEHOi SS1, $1RH, GR HTEN T~RA CNTC TENS DTE DTE DTE DTE DTE bDT bDT bDT LDT LOT bDT CNG CNG CNG 2-UA~-1991 20~09 3,943 NPOR,CNG 4~2,322 RCNT'CNL 1897,380 764 GR.CNL 7190,000 ~RES,CNL 049 MTEM'.CNL  ,948 IbM DTE ILD DTE [,679 CXMP :DTE .566,::500 ,ooo 20.000 .063 IXRM DTE 519.500 Ge I~.875- MRES DTE 1;:057 HTEN DTE 816,' O0 '06! PEr bDT 3-020 ,0~0 LU LDT 28t,500 _LL,LDT ,270 'LiRH'GDT 2.408 LURH,bDT .2,4i8 · CNG 38.390 RTNR,CNb ~ ,297 CFTC'¢NL 519,8§ GR'¢NL .000 MRE$'CNL 1,05 MTEM.CNG .164 7~: 000 I25 159.000 250 225.250 2.2~0 I16,0.0 733.0 0 6805~ 0 3 0 000 115 188 157 875 0 008 000 ? 6805 0 IbM,DTE CIDPi, DTE iXRM;DTE MRES~'OTE PEr, bDT GU:bDT BS2:LDT LSRH. bDT TENS bDT NPORi CFTC CNG MRE$,CNb XLM,OTE IMPH,OTE CIDP,DTE IIRM~DTE MRES,DTE PEFebDT GU.bDT SS2,LDT LSRH~hDT TENS,bDT NPHI,CNb NPOR:;CNb FTC CNb RES CNL 461'750 404,500 GR,DTE 1,081 HTEN,D~E 73~,000 6805,000 ~TE~,bDT 4',459 RTNR'CN~ 9 42.183 RCNT,CNb 1: 1~08! E 5 ~500 GR,DTE :~ HTEN.DTE 500 LL.~.bDT 250 GiHV..bOT 443 bURHbDT 000 NTEN ~85 RCNT CNG 594 GR CN5 084 MTEM CNG 6805, 42 ~0 1i6,375 143,8'75 1247,000 3,864 1734,972 !16,375 I57~875 Tape VerlfAication Listing chlumberger lasKa Computing Center DEPT SP DTg RHOB bDT OaS bDT aH~ bDT bDT CAL~ bDT ~RE. bDT TNPH CNL RCFT CNL CRbI~CNL HTEN:CNL DEpT SP 1DQF DTE IIRD DTE RHOB bDT QSa bDT LITH bDT SSHV bDT CALl bDT MREa bDT TNPH CNL RCFT CNL CAb! CNL HTEN CNL DEPT, SP DTE TENa DTE RHOB bDT oaa DDT LITH bDT SSHV bDT CRLI bDT MREa bDT TNPH CNL RCFT tnb HTEN CNL DEPT, SP'DTE IDQF,DTE IIRD,DTE TENS,DTE RHOB OSa~LDT 10300 000 -14 375 0 000 286 250 6735 000 2 498 0 016 79 875 1329 000 14,070 26, 907, 8 ,500 1020~000 -1 125 0 0O0 320 250 6670 000 2 485 0 00! 77 375 1330 000 15 .188 8~ 868606 15 770 000 10[00,000 14,000 0 000 301 750 6425 000 2 544 0 037 71 3!3 1330 000 15 555 I 109 25 583 899 079 ~5 555 745 000 10000.000 -12,984 0,000 524,000 6425,000 2 427 0:033 SFLU'DTE IDPH~DTE I~F~DTE IIXD DTE MTEM DTE DRHO bDT bS bDT SS bDT al~ bDT GR bDT HTEN bDT TNRA CNL CNTC CNL TENS CNL aFbU DTE !DPH DTE IMOF DTE IIXD DTE MTEMiDTE DRHO. LDT LS. LDT SSl~LDT S~RH~LDT GR bDT HTEN bDT CNTC . TEN$,CNL SFbU DTE IDPH DTE IMOFDTE IIXD,DTE DRHO bDT ns bDT SSlLDT SXRH~LDT GR. bDT HTEN bDT TNRA CNL CNTC CNL TENS CNL SFLU DTE IDPH DTE IMQF DTE IIXD DTE MTEM,DTE DRNO,bDT LS,LDT 2-JAN-199! 20:09 3 2'83 ~ 904 000 157 5 0 8 7O 25O ~1o 750 2 385 83438 798 500 25~,660 6735,000 Xb~,,DTE IMPH DTE CIDP DTE IIR~ .DTE MRE5 DTE PZF ~DT bU bDT SS~ bDT LSR bDT TENS bDT NPHI,CNb NPOR,CNb CFTC;CNb MRE$,CNb 2,6~9 ,5'~6 ~,0 0 56,~88 6670,000 .Xb~,DTE XMPH,DTE C.XDP,.DTE IXRH,OTE MRE$,DTE PEF,bDT ~U~DT b&RHebDT TENS,bDT 'NPHI,CNL NPOR,,CNL CFTC~CNb MRES'CNb ,945 ,754 o;00o 53,7~9 155,625 0,0~5 264,?~0 2~9,375 2,332 90,875 745,000 2'684 2630,049 6425,000 XLM,DTE iMPH*.DTE CXDP,DTE I!R~,.OTE MRES,DTE PEF~bDT $~U,bDT bSRH,bDT TENS,~DT NPHI,CNL NPOR,CNL CFTC.CNL ~RES,CNL I 568 1 478 0 000 119 063 154 375 0,041 308.000 IMPH*DTE ClDP,DTE IIRM,DTE MREa,DTE PEF,LDT LU,LDT :g82 :50 469 67~5,000 :015 0'7 XBD,DTE !FRE,DTE CIMP,,DTE GR,DTE HTEN,DTE QL$,bDT Lb,bDT bSH¥.bDT bURH,bDT MTEM~bDT RTNR*CN~ RCNT,CNb MTEM,CNb ILD*DTE bb~bPT bURH.,bDT 6670.000 MTEM,bDT RTNR'CNb .,~80 RCNt,CN'b 9 :*434 G~,CNb ,:108 MTEMeCNb i '881 lbD,DTE ,:~'4 bUR*bDT ~52 RTNR,CNb 64~:. O0 MTEM,LDT GR,CN~ :109 MTEM,CNL 1,496 IbD,DTE 1.489 IFRE'DTE 676.000 CIMP,DTE 609.000 GR.DTE 29! Lb.bDT 0,000 .a!2;6oo · 7~ ,00 1249,000 ' 83 ~ :438 26¸: 26: 1 20,000 t, ,ooo .0,00 162,00~ . lumDerger AlasKa Computtn~ Center LITH,bDT 84,500 SSHV,bDT 1330,0o0 CALI,bDT TNPH.CNL 4 0 RCFT.CN5 458,927 CALI.CN5 15'828 HTEN,CNL 704'000 SSi bDT SlRH bDT GR bDT HTEN bDT TNRA CNL CNT~ CNL TEN .:CNL DEPT I~RD DTE TENS DTE LITH LDT SSHV bDT CAb! bDT TNPH CNL RCFT;CN5 9900 000 -13 734 0 000 460 750 6780 000 2 418 o 86 8 15 969 42 67 425,306 15,969 878.000 SFbU,DTE IDPH,DTE IMOF,DTE IIXD'DTE ~TEM.DTE SSl.~LDT SlRH,LDT GR,LDT HTEN'bDT TNRA.CNb CNTC,CNb TENS.CN5 DEPT IDOF iIRD TENS RHOB SSHV TNPH RCFT HTEN DTE DTE DTE bDT bDT bDT bDT bDT 0,,000 336'25O ,000 662~,420 0,031 95.375 1329'000 35, ~3 617.294 796, 0 SFbU DTE !DPHDTE IIXDDTE MTEM DTE DRHO bDT 25 bDT SIRH bPT HTEN TNRA CN5 CNTC CN5 TENS CNL DEPT SP DTE IDOF DTE TENS DTE RNOB bDT OSS bDT LITH bDT $$HV bDT CAbI bDT MRE$ bDT TNPH CNb RCFT.CNb CALI.CNL 00.000 9!2t.375 0 000 287 250 6465 000 2 467 0 O38 88 938 1328 000 16 563 21 117 945 920 984 16 563 SFbU.DTE IDPH.DTE IMGF DTE IIXD. DTE MTE~ DTE DRHO bDT L$ bDT $S1 bDT SIRH bDT GR HTEN bDT TNR~ CNL CNTC CNb TENS CNL 2-JAN-1991 20t09 219,375 SS2,bDT 2 279 bSRH'~DT 1.19 704 00~ TENS,bDT NPHZ,CNL 3 631 NPOR,CNL 18i4 60~ CFTC,CNL 6425 000 1 0 99 153 0 29 .20 678( 802 ILM DTE 709 DTE 000 DTE 33 DTE 7~0 DTE 009 bDT 750 CIDP NRE$ PEr bu TENS ,447 riO -~ ~0 I1 ! t09.8t 796,5¢~ IbM, CIDP, I IRM( MRE~F,( bSRH,..i TENS, NP:HI.~ NPOR CFTC ~RES DTE DTE )TE DTE bDT bDT ,bDT .CNb CNb 2,678 2.916 0 000 4 15~ 406 750 26 5 82 3 5 2709 596 6465 000 ILM,DTE I~PH,DTE CIDP DTE iIR~ DTE MRES DTE PEF ~DT bSR~ bDT TENS bDT NPOR b CFTC,CNb MRES.CNL 64 000 ~TE~ b~ ,846 RTNR ~84 ReNT CNb 5O3 42 Ge CNb MTEM CNL 1 758 IhD 752 IFRE 000 CINP 0oo GR 408 bURH iO0 ~TE~ · 9O 77 ReNT M~EM DTE )'~ ~E ~E 12a7-..' o00 , 15; ~5 1:7 0 50 HTEN,DTE ObS,b.O) LSHV,LDT 1 26 MTEM.,bDT 1:51 RTNR,CNb RCNX,CNb 220i 34 GR~CNb MTEM~CNb , 984 XbD,DTE ,996 IFRE,DTE 342,750 ClMP,DTE 312,000 GR,DTE · OhS,bDT 289.25 bb~bD~ 295~750 bSHVebDT "2.395 bURH bDT ,,,, 25,118 RCNT tnb 1017,184 GE CNb 1,117 MTEM CNL ,,{: ,Oo Tape Yerlfication Listing ~chlum~erger lasKa Computing Center HTEN,CNL PEP?. SP'O?E IDOF,DTE IZRP,PTE TENS,DTE RHOB,LDT L!TH.bDT CALl,bDT MRES-bDT TNPHCNL RCFT tnb CALl CNb HTE~ DEPT SP DTE IDOF DTE IIRD DTE TENS DYE RH08 bDT SSHV bDT '¢~bI bDT MRESbDT TNPH RCFT ~NL.~b CAbl CNL ~TEN CNb DEPT SP~DTE IDOF,DTE IIRD,DTE TENS,DYE RHOB.bDT bITHLDT $S~V bDT CALIbDT HRES bDT TNP~ CNL RCFT tnb CALl CNL HTE~ CNL DEPT, ID~ 'DTE .DTE IIRD DTE TEN$~DTE 797,000 96OO 000 -19 000 0 000 242 500 6650 000 89 063 1328 000 170~6 ~Ii~ ~2o 8~I ,016 5OO 9500 000 -20 750 0 000 285 250 6480 000 132~ 0oo 16 ~53 10~6 3 836 000 9400 ~00 -14 75 0 000 683 000 6510 0 035 000 16 500 I 131 39 127 507 470 16 500 907 500 9300,000 -17,500 0,000 628,500 6455,000 SFbU DTE IMOF DTE IIXD DTE MTEM DTE DRHO bDT LS bDT SSI,bDT S~RMiLDT GR,,LDT HTENiLDT TNRA;CNL CNTC'CNb TEN$,CNL SFLU, DTE IDPH DTE IMOF DTE IIXD DTE MTE~ DTE DR.HO bDT LS LDT SSI bDT $1RH bDT GR bDT HTEN bDT TNRA CN~ CNTC CN~ TENS CNL SFbU DTE " E iDPH,DT XMGF,DTE IXXD.DTE MTEM,,DTE DRHO, 6DT SS1 bDT SIRH bDT GR bDT HTEN bDT TNRA CNL CNTC CNb TENS CNL SFLU,DTE IDPH,DTE IMQF,DTE IIXD,DTE ~TEM,DTE 0 152 66950 2-jAN-199! 20~09 5 l~ OTE I~ ~ DTE CIDP DTE IXRM DTE MRE$ OTE PEF bDT ~U bDT S~2,'/DT LS H~bDT TENS,bDT NPHI,CNb NPOR'CNL CFTC,CNL MRES,CNL 2 290 6480 27 61 000 IbM NPHI POR NRES DTE DTE DTE LDI' ,CN6 ,CNb 3 t889 510 O0 $00 0 0 MRE8 DTE PEF bDT SRH bDT EN$ bDT NPHI,CNL NPORtCNL CFTC.CN5 MRES, CN b 1,274 i,191 0,000 1618,125 ~4 ,625 XLM,DTE IMPH,DTE CIDP,DTE XIRM,DTE MRES,DTE 537 IbP. 604 28 00.0 CIMP,~ 250 29 LSHV DTE PTE L.DT bDT 750 424 bURl MTE~ 'IbD,DTE IFRE;DTE GR XT'EN ,NL 3.36:500 306.~50 6510~000 ~E~.~D~ 3~'~191 R?NR CNb 39'453 RCNT 1.~131 MTEM CNL  ,239 ILD.DTE 7 1,000 GR,DTE ,159 HTEN,DTE 86: ~5 I5 29 !4, 18! 20,,000 80'7,500 ,IS Tape Yeri~icatlon Listing ;chlumbergerAlas~:a Computing Center RHOB bDT Q$$ LOT LITH LDT SSHV bDT CAb! LOT TNPH CNb RCFT CNI, CALl CNL HTE~ CN~ 2.356 0,028 105:500 17 75 935,500 DRHO bDT SSi bDT GR bDT HTEN LOT TNRA CNL CNTC CNL TENS CNL DEPT SP IDQF IIRD TENS RHOB LIT, $SHV CALl TNPH RCFT CaLl HTEN DTB DTE DTE bDT hDT bDT bDT bDT CN~ CNL 9~0,000 0,000 0 000 446 500 6325 000 2 392 0 039 108 625 1326 000 t6 422 3~ 146 49O 533 370 ~6 422 847,000 SFL~. D'TE IDP DTE IMGF,,DTE IIXDDTE MTE~DTE DRHO:bDT b$ bDT SSl~LDT SlRH bDT GE bDT HTEN LOT INRA CNL TEN& DEPT. SP,DTE DQF,DTE IIRD,DTE EN$,DTE IHOB.bDT QSS bDT LITH bDT SSHV bDT CAb! bDT MRES bDT TNPH CNL RCFT CNb CAbI CNb HTEN CNb 9~00,000 18.500 0,000 413,250 6315.000 2 405 0 O45 92 375 ~326 16 063 3~150 515 047 16 063 865 000 SFbU,DTE IDPH.DTE MQF*DTE IIXD,DTE NTEM~DTE DRHO,bDT OT GR~DT HTEN TNRA:CNL CNTC tnb TENS CNL DEPT, SP.DTE IOOF DTE IIRD:DTE TENS'DTE RHOB,LDT G$$,bDT LITH,LD? 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DTE DRHO. bDT LS bDT SS .bDT SiR~[,DT GR~ bDT HTEN bDT TNRA CNL CNTC CNb TENS CNb SFLU,DTE IDPH,DTE IM~F~DTE IIXD;DTE MTEM,OTE DRHO~bDT ,bDT $~M bDT GR bDT HTENLDT CNTC, · TENS CNb SrbU DTE IDPH DTE iIXD DTE MTEM DTE DRHObDT LS,LDT SSI:LDT S1RH bDT GR bDT HTEN bDT TNRA CNL CNTC CNL TENS CNL SFLU DTE IDPH~DTE IM~F.DTE IIXD,DTE MTE~,DTE 3,525 4,832 0,000 15,727 1~11375 ~6o'o[o 58~ o 214,125 · 2,145 75,435 762,~00 . 4 ~425 ,000 I0,2~ Ill;! ~ '0'0 49~,0~ 209;8 51,t ~ 799,0 0 2 33'5 2 ~3~6,0 ! 30aOe0 0 5,7o~ 0 0 6,672 110,688 ~0 219 774 06 0 187 ~ 7 ~1~ OOO6 5,316 9,~09 O, O0 5,488 I~08,875 IbM OTE IMPHDTE CIDP DTE IIRM D?E MRE8 DTE PEF bDT LU ~DT 882 bDT LSR:H~bDT TENS,bDT NPH2;CNL NPO:R,CNL CFT'C,CNL MRE'S,CN5 O9 228,00 ~,ot -,604 462'500 :2'.~105 3050.~.00 I:I 458,414 2'018 IbD.DT.E GRD~E MTEN~DTE ObS.bOT LL~L,DT bSHV bDT bURH~ bDT MTEM,,D'T RTNR~Nb RCN~Nb PEF~ LSR~ TENS NPHZ CF DTE ~?E ~0~;00~ OTE ~,049 .bDT 45~;~50 bDT 308,750 ~DT 2,123 : DT 3040,,~00 N'L Nb ,~NL 38~477 669,989 .CNb 2.049 IIRM,~DTE bU-bDT SSa;bDT bSRH,bDT TENS'bDT NPOR, CFTC,CNb 6 40) oo ~50 bSHV~ ~, 84 bURH.. 3115; 00 MTEM~ 37 RCN~: 49~:,81092 IFRE,)~i 00 HTGR,)T 92 EN~)~E 59 ILM,DTE IMPH,DTE CIDP,DTE MRE8, DTE CIMP.DTE ~12.3 3 GR*DTE 1.9190 XTEN,DTE 20~ ~0 I · ,I 7 t4' 20,00 127,625 186,375 719,000 ~chiumberger ask: Computln Center RHOB bDT QSS~DT LITH DT SS bDT MRES bDT TNpH CN5 RCFT CN5 CALl CNL HTEN CNL 2 205 0 040 141 000 1315 000 16 594 1 990 4 494 47] 742 16 594 719 000 DRHO bDT LS LDT SSi bDT SIRH bDT GR bDT HTEN bDT TNRA CNL CNTC,CNL TENS.CNL $~,DT£ IDQF,DTE IIRD;DTE TENS,DTE OSS ~DT LITHLDT SSHV bDT CAL! 5DT ~RES LDT TNPH CNb RC~? 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CNL TENS CNL DEPT SP DTE IDQF DTE IIRD DTE TENS DTE RHOB LDT OSS bDT LITH bDT SSHV,LDT CALI,LDT MgES.LDT TNpH,CNL 3900 000 -92 000 0 000 18 813 2675 000 2 061 0 023 210 375 1315 000 17 188 2 096 39 219 SFLU DTE IDPH DTE IMOF DTE IIXDDTE MTEM D?E DRHO LDT LS bDT SSi LDT S1RH bDT GR bDT HTEN DDT TNRA CNL 2-JAN-1991 20~09 0 455 233 "/19 ~29~6 8~5 PEF bDT 'LDT bSRH bDT TEN bDT NPH~ CNL NPOR CFTC N5 M~£S NL 5 7 0 8 ~18 0 0 009 O0 O0 DTE DTE DT~ DTE DT£ ,bDT bDT , DT 68 63 0 0 ?$0 2 063 75O 090 750 250 IMPH, C~DP, IIRM, MRES~ PEF $~2U N~MI NPOR CFTC MRES DTE DTE DTE DTE bDT bDT bDT bDT GDT tnb 392~9 49 3 4 0 000 6 129 106 i88 -0 002 55 22~ 500 000 2 068 41063 761 000 3 580 ,DTE CIDP;DT£ IZRM,DTE M ES'DT PEF.LDT bU'LDT SS2,LDT TENS,~DT N9~I CNL .2 ~97 2825 45 45 QLS,bDT 750 Lb,bDT 000 bSHV~bDT .62 00bURH.,LDT MTEM.LDT ~7 RTN~ GR CNL MTEM CNL 38 3O oo L ~DT bURH DT MTEM ~DT RCN~,CNb )34 GR,CNb !11 ~TEM.CNb 6~,~t9 I~D~E ~$,~0 CIM~,DT{ 16'453 GR~D~E ,: 8 HTEN, DTE ),17~ ObSlbOT 502.?50 Lb, bDT 326,250 LSHV~bDT 37,429 RTNR*CNb 769'480 GR'CNb 45 563 !L,O.DTE 42 188 IF'RE DTE 2 2675 38 38 250 75 96 096 500 Lb 000 LSHV 063 LURH 000 MTEM 252 RTNR 612 RCNT DTE DTE bDT bDT bDT ,bDT bDT CNL CNL PA~E' 27 O,o , 247,750 1243,0~0 I08~675 4,364' .266 3 :tO' 94 000 I 4~ 000 051 · ~00 2481 810 O~ 609~ 8: L~ 8 O' ~L 'T 6~ ~ND~aD 61 000 3~Q,~dNI~ 8{,9 :085 000 ~&a;.ag 889' TT 3&,0'O~Z 6£6 8 qND.UOdN ~ND~iHdN &Qq.gN & 5Gq*' 350~NUll 2&O~Wql 0o0 6 £ 000 6£8 tSO [ 000 os 000 0 6L8 9 qND ~OdN q'NDI,H~N LOg H~gq 350~dQI3 3~O':Hd~l 000' 8 L ~,Ot Z o~:L,s~ °;° 000 0 6~TL &Q~N35 350 ~50' Hd~I 069~ 000 1 605 OoS 00~ ~0o O- S~9 SOT 08~ 0 O0 ~9~ 8 60:0~ T66T-NVP-Z qND £Oq H~T~ &oq gq 5Gq OHUO 3&Q 350 ~OHI 3&O HdaI &Oq:I~g QND D&ND &Oq OHiO ASO :aXil 350 HdOI ~£0 Nq~g oo0 6t8 LSt ogs 816 6t 08t g 0oo STtT OOS SgT tto 0 OSL T 000 0 000 S9S 99g ST6 it £t8 ST 0~0 0 0o0,0 8t6 O00°OOLt OOS OSL 9tS 9T o10 ~ 9TS 9I oo 069g of tOT 000 0 000 ;9- 000 qND N3&H qND HdN& &Oq AH~g 50 ~0 &Oq 80Ha 2&O ~OOI 350 d~ ~Oq IqV3 &Oq AHg~ &Gq HSlq &oq a&a.aoaz 'IND IqvD &Oq AH~$ &Gq Hsiq 21Q dOOI &dAQ O00'I~L qND'SN25 881' ~ND'DSND ~'6E'EOg UT~ndmoD e~selv ~eb~eq~alq~i bUllSlq uolTe~lll~e^ adc& ~:lS ?a~e ver~lca~ion ~ist~g ~chlUm erger lasKa Computing Center DEPT. SP DTE IOOF DTE IIRD DTE TENS DTE RHOB bDT OSS bDT LITH bDT SSHV bDT CALl LOT PRES LOT TNpH CNL RCFT CN5 DEPT,~ SP,DTE IDOFiDTE IIRD"DTE TENS' RHOB 'DIE ,LOT OS$,LDT SSHV,LDT CALI.LDT PRES bDT TNPM CML RCFT CNL H?EN CNb DEPT IOOF DTE IIRD DTE TENS DTE RHOB bDT OSS bDT LITH bDT $~HV bDT A LDT TNPH CNB RCFT CNL CRL! CN5 HTEN CNL DEPT, SP.DTE IDOF,DTE IIRD,DTE TENS,DTE RHOB,LDT OSS,LDT 3500,000 '59,438 0000 I 2 000 26~0 500 2 0 016 135 500 13~4 000 18 031 2 2tl 48 090 437 7.9 792 3400 000 -93 250 0 000 112 1~5 2485 000 2 129 -0 007 149 750 1314 000 13 875 2 207 O84 13 875 794 500 3300,000 =65,563 0,000 112.875 2520 000 2 228 0 013 113 250 1314 000 16 391 2 186 42 136 438 670 16 391 8O6 000 3200,000 -76.813 0.000 134,250 2490.000 2 o:§*s SFLU DTE IDPH. DTE IMOFDTE IIXDDTE MTEMDTE DRHO bDT LSbDT SS1 bDT SI~ bDT GR bDT HTEN LOT TNRA,CNL CNTC,CNL TENS'CNL SFLU,DTE IDPM'DTE IIXD,DTE NTEM.,DTE DRHO;LDT LS-LDT SSt~LDT SlRH,bDT GR.bDT HT'EN~LDT TNRA,,CNL CNTC,CN~ TEN$,CNL SFLU'DTE IDPH DTE IMOF DTE IlXD D?E MTEM DTE DRHO bDT LSLDT 881 bDT SIRH bDT GR bDT HTEN bDT TNRA. CNL CNTC~CN5 TENS,CNb SFLU,DTE IDPH,DTE INQF,DTE IIXD,DTE PTE~,DTE DRHO,LDT LS,LDT 2"'dAN.'1993 20109 57 250 792 ' 1869 2670 000 8,64 8,061 0,000 !0,38 :0,018 468.750 207,25' 42;2~~ 2'031 79~'~0 2485,000 ? 41o 8 10 000 ~ 008 ~04 oo0 -0 0~3 400 7 0 21~ 50 79 000 8O6 000 ° 0 2520 000 6,629 6,629 0.000 6,293 103,250 0,016 424,750 Ib~ DTE IMI DTE C DTE , DTE ~ DTE P~ bDT ,' bDT 5DT bDT bDT' NI CNL CNL DTE ~ DTE bDT ~DT ~DT PRES CNL IL~ ,DTE IMPH ~OTE ~ ~DTE DTE 'P{ bDT ! ~DT NT; bDT *. CNb N'POR CNL CFTC CNL MRES CNb IMPH,DTE C~DP,DTE MRES'DTE PEF.LDT LU.bDT 6 44 6 ~0 267, 47 50 Cl~P LURH 000 MTEM 402 RTNR 13RCNT ~2 GR DTE DTE PTE DTE PT -21! 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CNL ~-JAN-1991 20:09 75 SSt.bDT 224, S$2,LDT 00 $1RH,bDT 2.115 4 0 GR.LDT 66, 77 ~SRH,~DT NPHI,CNL 41.060 TNRA.CN5 73,~~ 4 566,S75 CNTC~CNL 21 9, ~6 CFTC,CN5 t4'§00 TENS,CNL 2490'000 MRE$,CNL $12.500 3100 000 -100 750 0 000 157 <375 2505 000 2 1 0 156 250 13!3 000 13 570 2 223 39 38 0 13 0 919 000 3000 000 -106 625 o 217 5 2320 000 7 18~750 131 000 13 .867 41 522 937 13 867 840 500 SFbU DTE IDPH DTE I~OF DTE IIXD DTE NTE~.DTE DRHO LDT LSLDT SSi bDT $1RH, LDT GR bDT HTEN bDT TNRA CNL CNTCCNL TENS CNL 8rLU~DTE IDPHDTE IMQF DTE IIXD DTE ~TEM DTE DRHO bDT bS bDT 881 bDT SIRH bDT GRLDT HTENbDT TNRACNL CNTC CNL TENSCNL 8FLU DTE IDPH~DTE I~QF DTE IIXO~DTE ~TE~,DTE DRHO, bDT L$ bDT S$! bDT S1RH LDT GR LDT HTEN TNRACNL CNTC CNU TENS CNL .000 0 000 000 2 227 o 025 117 188 t314 000 15 813 2 266 41 677 495 947 15 813 .707 ~,586 0,000 1.5,594 102,063 .-0;o10 490;5g0 13 ' 1 5 223 ~ ILM,DTE I~P~,DTE CIDP,DTE IIRM,DTE ~RES'OTE P~F;bDT DU,bDT S82,~DT bSRH'bDT TENSebDT NPHI~CNL NPOR.,CNb cr~'C,CNb ~RES'CNb 0 28 8~0 65 45 oo 34 ~00 06 O0 IMPH,DTE CIDP,OTE ~E$,PTE bDT bSRH,bDT TENS,bDT NPNI<~CNL NPOR,,CNL CFTC, CNb MRES'CNb 0 000 1 O§ ~20 688 -0 002 402 750 S75 21~! 238 67 500 837 000 22000 IMPH,DTE CZD~,DTE IIRN,DTE MREG.DTE PEFLDT LU bDT S&2 bDT LSRH bDT TENS bDT NPHZ CNL NPOR CNL CfTC CNL NRES CNL 2,197 bU~H,,bDT 2490~000 39,798 RTNR,CNL 40~I 24 RCNT;CN~ 601:12~ GReCNb 6,288 ILD,DTE 6'273 IFRE,DTE 178.875 CI~P..DTE i52,250 GR,D~E ~2,22~ HTEN,D~Z ~,~!~ OUS~bU~ 447,7Uu ~Lb,bOT · 305,500 bSHV,bD? 2;~121 LURH,bDT 2505.000 ~TE~,LDT 41;,06~ RTNR,CNb 40'40 RCNT,¢Nb 639,t35 GR,.CNb 2,223 ~TEM,CNb 2270 40 41 515 2 i48 IFRE 500 CiMP DTE 375 GR.DTE 266 HTEN 057 000 000 bSHV 229 bURH 000 RCNT t40 266 bDT ~LDT DT ,CNL 66~ ,10 ~ 0 1 .20,000 I39,?$0 67,50'0 100-688 i;944 100,688 80L,:9~£ 99~.6~ 00~,£~$ 696 . &aq,~3&X iO0'OOt~ t~0'' &Oq. 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CN BP EXPbORATZON Company Name FN PRU~HOE BAY Field Name APIN 50-029-22109-00. A Serial NUmber FL ~639' SNL & 1.49' WEb Field. ocatiOn $~CT 3 5 section.~ TOWN 12N Township RANG i2E Range COUN NORTH SbOPE County STAT AbAS~A State or Province NAT! USA Nation. bONG bongitude · W)TN ZARND / FRAK~NBURG Wltnems' Name SON 549091 Service order Number PDAT MSb Permanentdatue EPD FT R~O'B Elevation o~ Perm. Datum L~F Log Measured From APD FT 66,5 ABOVE eER~ANENT DA?U~ E~8 FT 66,5 Elevation ot Keliy B~shing EDF FT 66 5 Elevation o~ De,ricK r.loo~ ECL FT 35:2 Elevation o~ Ground..Level TDD FT 1142530, Total DePth : Driller TDb FT 114 , Total Depth bogger BhI FT 11415, Bottom bog Inter'va! T~! FT 7)00' To~ bog Interval DFT LOW SOLIDS Or!llinq Flu!4 ~ype- DFD G/C3 9, Drilling Fluid Density uossue& Allso~o~euo~neN ~ e~eD uo~ue& peeH a~n~e~edma& pn~ A~A~S~Sa~ ~o~sue~ D~ D&ND me~bO~d uoTleoTTddV ue mo~3 3nd3nO ~lTsO~Od uo~lnaN " o$1e~ uo~lneN Tem~eq& RlTso~od uo~lneN ~emxeq& oTle~ uo~na~ tem~eq~ aeU uoTsue& peaH uoTsue~ 61~Atlo'npuo3 e~eSPem~elu! peno uo ~onpui oaeQ A~ATlonPUO3 e~eTpem~e~u~ ~eaa uo ~onPUI ~eeO ~O~D~& t~Iq~ftO NO~&~QNI. ~330 aOOI ~ua~ba~ pe~e~qTTe3 uoTaon.pul ~*T~s~Sa~ passeoo~ p~epue~,g uoT~onpuI caen Teuueq3 q~eO N2~H ~D ~OdN ~HdN ~D ~OOI I~20 o6- so- oo:o ;~' ~o9 .pTnta"'~uSttT~o 66666 ~8 ~lT$oOs:TA Pinta ~uTTtTaO ...... qd PTnTJ bUTTT$~O 6 Hd~O ..... I330 flqVA ,, 6~:£T 066T-3~O-9~ bUTlSTq uoT~eOT~T~aA ., 0000000000 89 9 I I ~ 0 O0 000 O0 I6069~ ZH ~ 0000000000 89 ~ t $ ~ 0 O0 000 O0 '[6069~ ^~ ~&~ dB 0000000000 89 ~ I T I 0 00 000 00 t606~ ~HO ~ 0000000000 89 ~ I I i 0 O0 000 O0 I606~ NWHO 3&O 0000000000 89 ~ t ~ 0 O0 000 O0 t606~g NWHO ~Q 0000000000 89 ~ t t 0 O0 000 O0 t606.~5 ~J ~N~m~~mm~mmmmmm~mm~m~mmm~m~m~m~m~m~mmmmmmmmmmmmmmmmmmmm~m~mmmmmmmmmmm~mmmm (X3H) 3003~ W3~3 ~W~ ~W~N OOW ~q~ 3d~& ~Oq # ~30aO #~mmm~mmm#m#mm#mm#mmmmmm#~m 0 99 0 t 99 9t 89 99 ~I 0 99 ~t 89 ~t ~ 99 II ~ ~ 99 ~ 88~ £L ~ 0 99 [ 0 99 [ uo~sue& peeH Ie~3ue3o~ snoeue~uoag 3~0 OXII ~I8 Ta~e.verlfLcatlon bist~ng ,¢hlumberger Alaska Computing Center 26-DEC-1990 13:49 NPOR.CNb 22,316 RCNT,CNb RCFT,CN5  GR,CNL TENS,CN5 CFTC,CN5 843,567 ~ -TEN,CNL MTEP,CNL GR,CSG TENS,CSG 999,250 MRE$,CSG MTEM,CSG DT,BHC 7!,100 TTi,BNC TT2,BHC TT4,BHC 349,200 SP,BHC NTE~,BHC 186,250 NRES,BHC HTEN,SHC DTE DTE BHC BHC BHC 1~400,000 '!05,438 372,000 6390,000 299 I.~86 50 ?1 0 349 600 ~86 250 IIXD~ RTNR RCNT~ ~TEN MRES, SP MRES DTE DTE DTE DTE N5 BNC DEPT SP IIRD TENS NPH! 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