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188-006
bp Date 20-MAY-2015 Transmittal Number:93426 BPXA WELL DATA TRANSMITTAL RECEIVED Enclosed are the materials listed below. MAY 2 0 2015 (BPXA LOG DATA) AOGCC If you have any questions, please contact Doug Dortch at the PDC at 564-4973 Delivery Contents 1 CD-ROM Containing OPEN HOLE Digital Log Data: 04-21, 04-22, 04-33, C-01, C-31, L1-09, L2-03, L3-15, L3-31, L4-30, L5-01, L5-15, L5-16A, L5-16AL1, L5-16AL2, L5-31, L5-33, L5-36 04-21 185-212 2511414• / l L04-22 185-233 a 5345 04-33 186-035 42511 Gr Please Sign and Return ne copy of this transmittal to; C-01 172-030 .25441. A C-31 188-006 2574$ gancpdc@bp.com L1-09 185-001 25 vi 9 L2-03 185-247 .25 750 Doug Dortch L3-15 185-266 ,25-4-51 Petrotechnical Data Center L3-31 186-034 ,25 3-e52 L4-30 188-101 25153• L5-01 189-009 251-54-i• Attn: State of Alaska - AOGCC Attn: L5-15 188-109 ,t5�55 Makana Bender 333 W. 7th Ave, Suite 100 L5 16A 206-083 25�5(0 Anchorage, Alaska 99501 SCANNED MAY 2 7 2015 L5-16A L1 206-084 25157-- L5-16A L2 206-085 25-jg• L5-31 190-130 2515/ L5-33 189-047 2 5 k c7• L5-36 189-036 25 4(01 Petrotechnical Data Center LR2-1 900 E. Benson Blvd. PO Box 196612 Anchorage,AK 99519-6612 HDVd $IH£ q¥1~H£V~ iB, HN HDYqd J~ON OCl 00/~I/0! CIHIAIqlAO~tDIIAI eqeCI p~uJ~TS ~poD '~po~ : : a~uezea'ED :~....To q.n:~ peat[ ~5/o? -/1 oq / · .,xealD 'DoT ~pTAo.xd - eaue.~e~'[o UOT.:leaoI pue 'snqe:la '6u!BBnld uo qu~mmoo pue '~I!J II~a ~qq m~TA~H UOTqeOo~ aoqeaedo · oN IdV :OIT~ o& mnpueaomo~ NOISSI~NO0 NOI£VAH,qSNO0 SVD C]NV 'IIO e~[sei%f g:o o:~e:~S ~%tO~M'ct NOI~%foorI cj6ue .fo [ STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION WELL COMPLETION OR RECOMP LETION REPORT AND LOG 1. Status of Well Classification of Service Well OIL [] GAS [] SUSPENDED [] ABANDONED [] SERVICE [] Plugged back for redri// 2. Name of Operator ~'~, 7. Permit Number Standard Alaska Production Company i~ LOC-A~K3e~ 88-6 3. Address¥~,Z:~_¥~""' 8. APl Number P. O. Box 196612, Anchorage, Alaska 99519-6612 50-O29-21775 4. Location of well at surface~ r' ~ r ~ Vii~--;~ 9. unit or Lease Name At Top Producing Interval ; 10. Well Number ~ C-31 (13-21-11-14) 2729'SNL, 6 WEL, SEC20, T11N, R14E ~ ~,~. ~ ~:~ ~ 11. Field and Pool At Total Depth i~ '~'~" ~t~ska 0il & Gas Cons. Commission 2868' SNL, 4914' WEL, SEC 21, T11N, R14E~;/;:~ I;; :-:::I i Anchora ~'- Prudhoe Bay Field/Prudhoe Bay Pool 5. Elevation in feet (indicate KB, DF, etc.) 16. Lease Designation and Serial No. 67. 78' = KBE I ADL 28306 12. Date Spudded 13. Date T.D. Reached 14. Date Comp., Susp. or Aband. 115. Water Depth, if offshore 116. No. of Completions 1/21/88 2/15/88 2/9/95I N/A feet MSLI One 17. Total Depth (MD+TVD) 18. Plug Back Depth (MD+TVD 19. Directional Survey 120. Depth where SSSV set 21. Thickness of Permafrost 11740'MD 9081'TVD 11699'MD 9047'TVD YES [] NO []I Nonefeet MD 2110' 22. Type Electric or Other Logs Run SFD/CNL PORO, CNL-RA W, EWR/GR, MUD LOG 23. CASING, LINER AND CEMENTING RECORD SETI'ING DEPTH MD CASING SIZE WT. PER FT. GRADE TOP BO'I-FOM HOLE SIZE CEMENTING RECORD AMOUNT PULLED 20" Conductor 29' 139' 8 cu yds Concrete 13-3/8" 68# L-80 29' 2825' 17-1/2" 3900 cuft Permafrost 9-5/8" 47# L-80 29' 10869' 12-1/4" 2335 cu ft Class G 5-1/2" 17# L-80 10610' 11740' 8-1/2" 353 cu ft 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) None None 10467' 26. ACID, FRACTURE, CEMENT SQUEEZE, ETC. ,,, DEPTH INTERVAL (MD) AMOUNT & KIND OF MATERIAL USED 11022'-11628' 84 CU ft C/ass "G"-squeezed to 1500 psi. 10011'-10156' 168 cu ft Class "G"-squeezed to 1500psi 27. PRODUCTION TEST Date First Production IMethod of Operation (Flowing, gas lift, etc.) Not on production I N/A Date of Test Hours Tested =RODUCTION FOR OIL-BBL GAS-MCF WATER-BBL CHOKESlZE IGAS-OIL RATIO I'EST PERIOD I Flow Tubing Casing Pressure 3ALCULATED OIL-BBL GAS-MCF WATER-BBL OIL GRAVITY-APl (corr) Press. 24-HOUR RATE I~' 28. CORE DATA Brief description of lithology, porosity, fractures, apparent dips, and presence of oil, gas or water. Submit core chips. Form 10-407 Submit in duplicate Rev. 7-1-80 CONTINUED ON REVERSE SIDE 29. 30. GEOLOGIC MARKERS FORMATION TESTS NAME Include interval tested, pressure data, all fluids recovered and gravity, MEAS. DEPTH TRUE VERT. DEPTH GOR, and time of each phase. SAG 10910' 8379' Shublik A 10955' 8419' Zone 4 11007' 8465' RECEIVED MAR 28 1995 Ataska 0il & Gas Cons. Commission Anch0ra. 31. LIST OF ATTACHMENTS 32. I hereby certify that the foregoing is true and correct to the best of my knowledge Signed f~'~ ~~ TitleDrl'llingEngineerSu.oervisor 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 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 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 OPERATION: 2/2/95 C-31(13-21-11.14) DESCRIFTION OF WORK COMPLETED PRE SIDETRACK CTU CEMENT PLUG 11022' - 11628' MD A Cement Plug Lay was peformed on the interval using the following fluids: SUMMARY CTU WAS LAID UP ON SITE FOR 6 DAYS DUE TO EXTREME LOW TEMPERATURE. CLEARED HYDRATE OBSTRUCTION AND LAID 15 BBL CEMENT PLUG ACROSS PERFS AND SQUEEZED TO 1500 PSI. ESTIMATED TOC = 10997'. SLICK LINE AND STATE WITNESS FOUND T.D. AT 11022 FTWLM. FLUID SUMMARY 483 BBLS SEAWATER 30 BBLS EFFLUENT WATER 15 BBLS CEMENT 36 BBLS MEOH RECEIVED MAR 2 8 1995 A!aska 0ii & Gas Cons. Commission Anchora "- BP/AAI SHARED SERVICE DAILY OPERATIONS PAGE: 1 WELL: C-31 BOROUGH: NORTH SLOPE I/NIT: PRUDHOE BAY FIELD: PRUDHOE BAY LEASE: API: 50- PERMIT: APPROVAL: ACCEPT: 02/06/95 06:00 SPUD: RELEASE: OPERATION: DRLG RIG: DOYON 14 WO/C RIG: DOYON 14 02/06/95 (1) TD:l1022 PB:l1022 02/07/95 (2) TD:l1022 PB:i1022 02/08/95 (3) TD:l1022 PB:l1022 02/09/95 ( 4) TD:!0056 PB:10415 FILLING PITS W/SEAWATER MW: 0.0 CANTIRLEVER RIG FLOOR. MOVE RIG F/E-19A T/C-PAD. SPOT CUTTINGS TANK & RU HOSES & PUMP IN SUB IN CELLAR. LD 5.5" TBG MW: 0.0 RU CHOKE & PUMP LINES WHILE TAKING ON SEAWATER. RU DSM LUBRICATOR. PULL BPV & RD LUB. REV. CIRC DIESEL OUT OF TBG. CIRC DIESEL OUT OF ANNUL. & CIRC ONE COMPLETE CIRC. - NO GAS. RD CIRC. EQUIP. & INSTALL 2-WAY CHK VALVE..ND TREE ADAPTR. FLNG. & NU BOPE. RU & TEST BOPE 250/5000. FLUID LEAKING BY TBG HNGR. NO LEAKS IN BOPE. PULL HNGR T/RIG FLOOR -PACKING WAS CUT OUT ON HANGR. LD HNGR & PUP JTS. RU T/CIRC. CBU - NO GAS. LD 5.5 17# L-80 BUTT TBG. PUMP 18# PILL MW: 0.0 FINISH LD TBG. RECOVERED 257 JTS & 23' CUT OFF PIECE OF 5.5" 17# L-80 BUTRS RBG, 5 GLM, BALL VALVE & SLIDING SLEEVE. NO CORROSION OR RUST. 'RD TOOLS & SET TEST PLUG. TEST BOPE 250/5000. SET WEAR RING. BOPE TEST WAIVED BY JERRY HERRING W/AOGCC. BLIND SHEAR RAMS LEAKED, CHANGED T/BLIND RAMS. OPEN VALVE ON 13-3/8" X 9-5/8" ANNUL. & TEST 9-5/8" CASG T/3500. PU & MU SMITH MILLING ASSY & RIH PU 5" DP. SLIP & CUT DL. DISPLACE HOLE T/MILLING FLUID & SPOT 18# PILL @10400 T/10000. CHECKING F/FLOW MW: 0.0 CONTINUE T/CIRC & DISPLACE SEAWATER W/MILL FLUID. SPOT 18 PPF PILL F/10400 T/10000. POOH T/10006. PU KELLY & CUT OUT @ 10006. TORQUE IN LOW 410 AMPS/19650 FT/LB../140 SPM/2750PSI. CONTINUE CUTTING 9-5/8" SECTION F/1006 T/10056. TOTAL CUT = 50'. 97% IRON RECOVERED. CIRC HOLE CLEAN. CHECK F/FLOW, PUMP PILL, POOH. OK. STAND BACK HWDP & 1 STND 6-1/4" DC'S F/PACK OFF CHANGE. LD SECTION MILL. KNIVES ABOUT 20% WORN. RI C£1V£D MAP, 28 1995 A~aska Oil & Gas Cons. Commission Anchora" WELL : C-31- OPERATION: RIG : DOYON 14 PAGE: 2 02/10/95 (' 5) TD:10056 PB: 9800 RIH W/BHA %1 MW: 0.0 CLEAR FLOOR & SERVICE RIG. MU 5" MULE SHOE & RIH T/10036. REV. CIRC. RIH T/10156. CIRC LONG WAY WHILE BJ BATCHED MIXED 185 SX CLASS "G" CMT. T/17PPG. PUMPED 20 BBLS WATER AHEAD, FOLLOWED BY 30 BBLS CMT. FOLLWED BY 7 BBLS WATER, DISPLACED W/156 BBLS MUD W/RIG PUMP. CIP @ 1400 HOURS ON 2/9. PULL 10 STNDS. CIRC PIPE VOL. @ HIGH RATE 14 BPM. DOWN SQZ W/1500 PSI F/1 HR. POOH. FLUSH OUT IRON CUTTING F/STACK, PULL WEAR RING AND INSTALL TEST PLUG. REMOVE CSO RAMS & REINSTALL REPAIRED SHEAR RAMS. TEST BOP. PULL TEST PLUG, INSTALL WEAR RING. MU BHA #!, ORIENT MWD, PU HWDP & SURFACE TEST MWD. OK. RIH & CIRC EVERY 1000'. 02/11/95 (6) TD:10430' (1642) DIRECTIONAL DRILLING MW: 0.0 VIS: 0 CONTINUE T/RIH W/8.5" DRILL BHA #1. CIRC EVERY 1000' T/9750. PU KELLY & WASH DOWN T/9800'. TAG CMT. C/O T/!0011'. CMT SOFT. 9-5/8" WINDOW F/10006 T/10056. 50' TIME DIRECTIONAL DRILL OFF KICK OFF PLUG F/10011 @4' PHR.' T/10030. STARTED ADDING WEIGHT. PAST STUB @ 18:15 HRS. DRIECTIONAL DRILL 8.5" HOLE F/ANGLE DROP & RIGHT TURN F/10056 T/10430. RECEIVED MAR 2 8 1995 A~ska Oil & Gas Cons. Commission Anchom '- MEMORANDUM TO: THRU: Blair Wondzell, P. I. Supervisor FROM: Bobby Foster;;~.~ Petroleum Inspector State of Alaska Alaska Oil and Gas Conservation Commission DATE: February 3, 1995 FILE NO: PJ91BCCD.doc SUBJECT: Perforation Cmt. Plug BPX - PBU - C-31 Prudhoe Bay Field Friday, February 3, 1995: i traveled this date to BPX's well C-31 t4~ after being contacted by Jerry Bixby, wire line supervisior, requesting I witnessed the tagging of the cement plug sett to cover the perforations. ' When I arrived at the location the wire line unit and the pressure pump truck wee rigging up. After the pump truck rigged up, the tubing was pressure up to 1500 psig and held for 30 minutes with a 50 psig pressure loss. The wire line unit rigged up and ran the hole and tagged the top of the cement at 11,022". As the attached BPX well bore schematic shows,this is 596' above the open perf. s at 11,618', 526' above the old squeezed perf.'s at 11,548', 525' below the TIW PBR at the top of the 7" liner at 10,597' and 555' below the 9.625" Baker packer at 10,467'. There will ;be another "kick off" plug set when the workover rig moves in to side track the well. Summary: I witnessed the pressure testing and tagging of the cement plug cover the perforations in BPX's C-31. Attachment: BPX Wll Schematic TREE: 6" CIW WELLHEAD: MCEVOY C-31 ACTUATOR: 8" AXELSON KB. ELEV = 67.80' BF. ELEV: 37.30' 13-3/8~, 72#/ft, r L-a0, BTRS [ 2825' LE: 51°@ 6200" [5-1/2", 17#/It, L-80, BTC UBING ID: 4.892" IPC APACITY: .0232 BBL/FT SSSV LANDING NIPPLE [ (OTIS)( 4.562" ID) L2153' GAS LIFT MANDRELS OTIS LBD W/RA LATCH} N~ MD(BKBi TVDss 5l 3169 2910 ~ 6229 4927 8939 6737 9998 7522 10304 7777 __ SLIDING SLEEVE OTIS XA (4.562" MIN. tD) TOPOF [ 10598' 7* LINER 9~5/8", 47#/ft, r'~ 0869' u80, BTRS P_~RFORATION.,~UMMA Ry REF: LOG: SIZE SPF 3-3/8" 2 3-3/8' 4 3-3/8" 4 CH CNL 3/5/88 INTERVAL 'OPEN/SQZ'D 11548-1 1578 SQZ'D 11588-11610 SQZ'D 11618*11656 OPEN 9-5/8" PACKER (BAKER BIG BORE MINIMUM 6.75"1D) [ 10467' 5.5" OTIS "X" NIPPLE ( 4.562" ID) [ 10518' 5.5'OTIS"X'NIPPLE 10558' ( 4.562" ID) TIW PBR (TOP 1 0598' SEAL ASSY1059T BOTTOM SEAL ASSY 10603') [11240' J M/AR~ER JO NT ,~c6:.PIt_~dj T P /IOOOFT: NOTE: THIS LINER IS t 5-1/2" 17#/FT OASING PBTD 5-1/2",17~, L-80, IJ4S DATE REV. t/8/91 HARTZ [11699' [11740' COMMENTS ORIGINAL COMPLETION ORIGINAL MAC DIAGRAM X 7' LONG PRUDHOE BAY UNiT WELL,; C-31 (21-11-14) APl N..O.L 50-029-21775 SE_~:I9: T11N ~ BP Exploration (Alaska) STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION APPLICATION FOR SUNDRY APPROVALS 1. TyPe of Request: Abandon x Suspend __ Operation Shutdown __ Re-enter suspended well __ Alter casing __ Repair well __ Plugging X Time extension __ Stimulate __ Change approved program __ Pull tubing __ Variance __ Pedorate __ Other X Plug back for Redrill 2. Name of Operator BP Exploration 3. Address P. 0. Box 196612, Anchorage, Alaska 99519-6612 4. Location of well at surface 1800' SNL, 883' WEL, Sec. 19, T11N, R14E, UPM At top of productive interval 2251'NSL, 6' WEL, Sec. 20, T11N, R14E, UPM At effective depth 2424' NSL, 331' EWL, Sec. 21, T11N, R14E, UPM At total depth 2412' NSL, 366' EWL, Sec. 21, T11N, R14E, UPM 5. Type of Well: Development x Exploratory __ Stratigraphic __ Service ORIGINAL 6. Datum elevation (DF or KB) KBE = 67.78 AMS feet 7. Unit or Property name Prudhoe Bay Unit 8. Well number C-31 (13-21-11-14) 9. Permit number 88-6/8- 768 10. APl number 50- 029-21775 11. Field/Pool Prudhoe Bay Field~Oil Pool 12. Present well condition summary Total depth: measured true vertical Effective depth: measured true vertical Casing Structural Conductor Surface Intermediate Production Liner Perforation depth: 11740 feet Plugs (measured) BKB 9081 feet 11674 feet Junk (measured) BKB 9026 feet Length Size Cemented 110 20" 8 Cy. 2796 13-3/8" 3900 c.f. 10840 9-5/8" 2335 c.f. 1142 5-1/2" measured 11618'- 11656' (Open) Measured depth True vertical depth BKB 139' 139' 2825' 2719' 10869' 8343' 353 c. L 10598-11740' 11548' - 11578', 11588' - 11610' (Squeezed) true vertical 8976'-9009' (Open) 8916'-8942', 8951'-8970' (Squeezed) Tubing (size, grade, and measured depth) 5-1/2" L-80 stabbed into top of 5-1/2" liner at 10598' 8102-9081' RE£EIVED JAN 20 1995 Packers and SSSV (type and measured depth) 9-5/8" Baker packer at 10467'; 5-1/2" SSSVat 2153¢~tE~S~(~ Oil & Gas Cons. C0mmissi0, Anch0ra" 13. Attachments Description summary of proposal X Detailed operations program __ BOP sketch __ 14. Estimated date for commencing operation 16. If proposal was verbally approved Name of approver Date approved 15. Status of well classification as: Oil X Gas__ Suspended __ Service 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. Signed :~"?/~ FOR COMMISSIoNTitleDri//ingEngineerSuperviS°rusE ONLY ~ Date /"/~-~ ~ I 7 Plug integrity ~ BOP Test Location clearance ,,/.~_.o7 Mechanical Integrity Test Subsequent form required 10-~ .Approved L;opy Signed By Returned I Approved by order of the Commission commissioner Date /['L_~/'7 ~-- Form 10-403 Rev 06/15/88 SUBMIT IN TRIPLICATE BP EXPLORATION BP Exploration (Alaska) Inc. 900 East Benson Boulevard P.O. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 To: AOGCC January 19,1995 From: Steve Shultz MB 12-1 Prudhoe Bay Drilling Subject: Plugback of C-31 1. Pre-rig work: Rig up coiled tubing unit and run in the hole with tubing to 11,699'. 2. Spot a cement plug from 11,699' to 11,348' (200' above top perf) 3. Pull coiled tubing above cement 4. Squeeze away 3 bbls of cement leaving 100'+ above perforations 5. POOH with coiled tubing The objective of this plugback is: a. To isolate the perforations b. To prepare the well for sidetracking Prepared by: '-Drilling Engineer RECEIVED JAN 20 1995 Oil & Gas Cons. Commissior~ Anchora ~ BP EXPLORATION BP Exploration (Alaska) Inc. 900 East Benson BOUlevar~ P.O. Box 196612 Anchorage. Alaska 99519~6612 (907) 561-5111 TO: HOUSTON ARCHIVEs DATE: 01/08/90 T#: 80771 C-3l F-3O 8"12 J"02 X-07 Enclosed is Your ~ copy of the material listed below. If You have any questions, Please contact BP Well Records at (907) 564-4445. C-20 Static Gradient Static Gradient Static Gradient Static Gradient Flowing Gradient Flowing Gradient 12/25/89 12/29/89 Camco 12/27/89 Camco 12/30/89 Camco 12/31/89 Camco 12/25/89 Camco Camco Information Control Well ReCOrds LR J' Dietz/S. MCCurry RECEIVED /~N 181990 Alaska 0II '& (~as Cons. Commissio.13 Anchorage BP EXPLORATION BP Exploration (Alaska) Inc. 900 East Benson Boulevard P.O. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 January 16, 1990 Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 Attention: Mr. C. V. Chatterton Well C-31 (13-21-11-14) PBU Gentlemen: Enclosed, in duplicate, is Form 10-404, Report of Sundry Well Operations, for the above-named well. This contains our subsequent report of performing a cement squeeze and reperforation of the well. Yours very truly, J. A. Bragg Manager Production Engineering JAB:JAM Enclosures (4) cc: L. Burke (MB12-1) Well Records (LR2-1) w/10 Well File STATE OF ALASKA JKA OIL AND GAS CONSERVATION COMM, ,ON REPORT OF SUNDRY WELL OPERATIONS 1. Operations performed: Operation shutdown . Stimulate. Plugging Pull tubing Alter casing 2. Name of Operator BP Exploration (Alaska) Inc. 3. Address P. O. Box 196612, Anchorage, Alaska 99519.6612 Repair well 5. Type of Well: Development ~ Exploratory Stratigraphic Service 4. Location of well at surface 1800' SNL, 883' WEL, SEC. 19, T11N, R14E, UPM At top of productive interval 2551' NSL, 6' WEL, SEC. 20, T1 IN, R14E, UPM At effective depth 2424' NSL, 331' EWL, SEC. 21, TI 1N, R14E, UPM At total depth 2412' NSL, 366' EWL, SEC. 21, T11N, R14E, UPM 12. Present well condition summary Total depth: measured true vertical BKB Effective depth: measured true vertical BKB 11740 feet 9081 feet 11674feet 9026feet Plugs (measured) Junk (measured) Perforate Other X 6. Datum elevation (DF or KB) KBE., 67.78 AMSL feet 7. Unit or Property name Prudhoe Bay Unit 8. Well number C-31 (13-21-11-14) PBU 9. Permit number/approval number 88-6 / 8-768 10. APl number 50- 029-21775 11. Field/Pool Prudhoe Oil Pool fill at 11674' MD (12/89) Casing Length Size Cemented Structural -- Conductor 110 20 8 c.y. Surface 2796 13 3/8 3900 c.f. Intermediate 10840 9 5/8 2335 c.f. Production -- Liner 1142 5 1/2 353 c.f. Perforation depth: measured 11620'-11658' Measured depth True vertical depth BKB 139 139 2825 2719 10598-11740 8102-9081 Sqzd: 11550'-11580', 11590'-11612' true vertical subsea 8915'-8946' Tubing (size, grade, and measured depth) 5 1/2"L-80 stabbed into top of 5 1/2" liner at 10598' Packers and SSSV (type and measured depth) 9 5/8" Baker packer at 10467'; 5 1/2" SSSV at 2153' 13. Stimulation or cement squeeze summary see attachment Intervals treated (measured) Treatment description including volumes used and final pressure 14. Reoresentative Daily ~,vere, ge Production or Iqjection Data OiI-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure Prior to well operation Subsequent to operation 1000 6150 0 0 240 911 13243 0 0 360 15. Attachments 16. Status of well classification as: Copies of Logs and Surveys run Daily Report of Well Operations X Oil. . Gas .. Suspended Service 17.1 '~s true and correct to the b~st of my knowledge. , ~ Title Manager Production En~ineering Dat Form 10-404 Rev 06/15/88 SUBMIT II~UP,~CATE / ~/ELL C-31 ¢13-21-11-14} PBU CTU CEMENT SQUEEZE OPERATION,~ A coiled tubing cement squeeze of existing perforations was performed as follows: 10/22/88 10/30/88 1 1/1 4/88 11/28/88 1 1/29-12/3/88 1 2/5/8 8 1 2/7/88 2/15/89 2/18/89 6/14/89 7/1 6/89 7/20/89 7/22/89 9/4-6/89 9/8/89 9/10/89 9/26/89 jam 1/16/90 Rigged up CTU and support equipment and pressure tested BOP's to 4000 psi. Performed mud acid acid wash and sump cleanout. Pumped cement and squeezed existing perforations. Reversed out cement after squeeze is obtained. Performed inflow test, no good Stuck dummy gun in hole while attempting to cleanout hole. Fished dummy gun. Rigged up Schlumberger and reperforated the following intervals using 3 3/8" carrier guns at 6 spf: 11590'- 11612' MD BKB 11620' - 11638' MD BKB All depths are referenced to EWR/GR, 2/15/88. Performed nitrogen lift. Attempted to flow well, no good. Performed resqueeze of all perforated intervals. Performed inflow test; no good. Shot squeeze perfs 11550'- 11580' MD with Schlumberger 3 3/8" carrier guns at 2 spf. Performed mud acid wash; flowed well. Performed third squeeze on the well. Performed inflow test, okay. Rigged up hydraulic workover unit and cleaned out well. Rigged up Schlumberger and reperforated the following interval using 3 3/8" carrier guns at 4 spf: 11620' - 11658' MD BKB Performed nitrogen lift. Well would not sustain flow. Performed a 1000-gal. 12% HCI perforation acid wash and nitrogen lift via coiled tubing. Returned well to production and tested. BP EXPLORATION BP Ex01oration (Alaska) Inc. 900 East Benson Boulevard PO. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 To: Distribution Date: 10/23/89 Transmittal: 80515 From: Information Control Well Records LR2-1 Subject: BP CASED HOLE FINAL LOGS Enclosed is your copy of the material listed below. If you have any questions, please contact BP Well Records at (907) 564-4445. A-14 TEMP 10/05/89 ~1 500-8940 Camco C-19 FM/TEMP 10/07/89 ~1 11100-11450 Camco C-31 FM/TEMP 10/06/89 %1 11400-11665 Camco J-02 PROD 10/06/89 %1 9900-10210 Camco J-07 PITS 10/04/89 ~1 11150-11450 Camco 5" J-15 PROD/TEMP 10/06/89 %1 11000-11580 Camco 5" M-12 MISC GAS 10/05/89 %1 9750-10000 Camco 5" M-17 GAS LIFT 10/06/89 #1 SURFACE-9370 Camco 1"/5" R-10 LEAK DET. 09/30/89 %1 180-9650 Camco 2"/5" X-01 PROD 10/03/89 ~1 7850-9350 Camco 5" · Distribution: ARCO CHE~ON EXXON GEOSCIENCES HOUSTON MOBIL PHILLIPS ARCHIVES BP EXPLORATION BP Exploration (Alaska)Inc, 900 East Benson Boulevara P.O. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 TO: HOUSTON ARCO CHEVRON EXXON TEXACO MOBIL PHI~ ARCHIVES DATE: 10/06/89 T#: 80454 BP FINAL DATA - PRESSURE SURVEY DATA Enclosed is your copy of the material listed below. If you have any questions, please contact BP Well Records at (907) 564-4445. '~'~C-31 BHP Pressure Report 09/21/89 Camco ~'~,"GC-3D BHP Pressure Report 09/25/89 Camco m"~GC-3D BHP Pressure Report 09/24/89 Camco ~J-07 BHP Pressure Report 09/23/89 Camco 'm"uW-03 BHP Pressure Report 89/21/89 Camco Z-09 BHP Pressure Report 09/24/89 Camco c/¥,,',--c t~ Information C0ntrol R Well Records LR 2-1 J. Dietz/S. McCurry ~;~,laslm Oil & Gas Cons. Comm%ssio[~ Anchorage BP EXPLORATION BP Exploration (Alaska) Inc. 900 East Benson Boulevard P.O. Box 196612 Ancl~oracje, Alaska 99519-6612 (907) 561-5111 To: Distribution Date: 09/26/89 Transmittal: 80416 From: Information Control Well Records LR2-1 Subject: BP CASED HOLE FINAL LOGS Enclosed is your copy of the material listed below. If you have any questions, please contact BP Well Records at (907) 564-4445. F-22 CBT 09/21/89 F-22 CETS 09/21/89 C-31 Comp 09/08/89 U-12 Prod-F 09/20/89 9800-9842 Sch 5" 9800-9865 Sch 11180-11668 Sch 5" 10600-11080 Sch 5" Distribution: ARCO CHEVRON EXXON GEOSCIENCES HOUSTON MOBIL PHILLIPS ~T_~T~- O~ ALASKA ARCHIVES BP EXPLORATION BP Explorallon (Alaska) Inc. 900 East Benson Boulevard RO. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 , TO HOUSTON ARCO CHEVRON EXXON MOBIL' PHILLIPS STATE OF ALASKA GEOSCIENCES RESERVOIR ARCHIVES Date: 06-22-89 Tf: 80137 BP CASED HOLE FINAL LOGS The following material is being submitted herewith. Please acknowledge receipt by signing a copy of this letter and returning it to this office: A-03I Bridge Plug 06-18-89 #1 9270-9480 Sch 5" A-25 TUBING PUNCHER 06-17-89 #1~ 11150-11680 Sch 5" C-31 PERF-R 06-14-89 '#1 11200-11616 Sch 5" F-03 Comp TieLin 06-14-89 #1 10400-11176 Sch '5" F-03 PERF-R 06-13-89 #1 9150-11142 Sch 5" G-26 PERF-R '~ 06-16-89 #1 10548-10570 Sch 5" G-30 PERF-R 06-16-89 #1 8600-9705 Sch 5" Received: Date: Information Control Well Records LR2-1 J. Dietz/S. McCurry BP EXPLORATION HOUSTON ARCO BP Exploration (Alaska) Inc.. 900 East Benson Boulevard RO. Box 196612 Anchorage. Alaska 99519-6612 (907) 561-5111 CEEVRON E:TXON TEXAuO MOBIL Da*e: 03-1 3-89 T~: 79875 PHILLIPS STAr GEOSCIENCES RESERVOIR REFERENCE: AR~S : ~' BP'CASED HOLE FINAL LOGS The following me*eriai is being submi'l't'ed herewl*h. Please acknowledge recelp* by signing a copy of *his lei-I'er and re*urning i* *o *his office: C-29 PITS 02-1 8-89 #1 11400-11880 C-30 PROD-F 02-22-89 #1 9300-9620 C-31 PITS 02-20-89 #1 11400-11635 F-1 5 PITS 02-1 7-89 #1 91 00-9650 F-18 INJ 02-23-89 //1 11850-12350 H-29 GLS 02-19-89 //1 SURFACE.8700 ' M-06 PROD-F 02-1 8-89 //1 11000-11650 S-09 INJ 02-1 9-89 //1 9850-1 0245 W-27 PROD-F 02-1 6-89 #1 11 250-11450 W-29 PROD-F 02-1 5-89 #1 10500-10850 Y-06 INJ 02'-17-89 //1 10600-11350 Y-08 GLS 02-1 6-89 '- #1 31 00-8847 Camco Camco Camco Camco Camco Camco Camco Camco Camco Camco Camco Camco 1! 5" 5" 5'" 5" 5" 5" 5" 5" 5" 5" · 51! Rece i ved Da*e Ancno]'~,ge Shirley R. McCurry ! NFORMAT i ON CONTROL Wel I Records LR2-1 Standard Ala siva Pfodu¢lion Comport, 900 Eosl Benson 8ou1¢~ ~rd P.O. Bo, 19661~2 Anchoroge, Alosko 99519-6612 (907) 564-51 I HOUSTON ARCO CHEVRON EXXON TEXACO lO: MOBIL PHILLIPS STATE OF ALASKA GEOSCIENCES RESERVOIR REFERENCE: ARCHIVES SAPC CASED HOLE FINAL LOGS INDEXED STANDARD ALASKA PRODUCTION Dote: 12/13/88 79628 The following material Is being submitted herewith. Please acknowledge receipt by signing a copy of this letter and returning It to thls office: ~N-09 ~R-14 ~ ~R-14 \~W-37 Z-28 ~Z-28 Completion Record 12/05/88 #I 11200-11602 Sch 5" CNL/GR 2/½ tool 12/09/88 #I 8800-9643 Sch 5" CCL-Plug S~ng 12/07/88 #I 10025~10300 Sch 5" GR/PoSltRTTS Tool 12/06/88 #I 9975-10450 Sch 5" Prod 12/06/88 #I 9850-10206 Sch 5" Prod 12/07/88 #I .9500-9835 Sch 5" CET 12108188 #I 9165-10202 Sch 5" CBT 12/08/88 #I 9165-10181 Sch 5" Pe~f-R 12/07/88 #I 9200-10150 Sch 5" Rece I veal Date A uni! ol the Qrig;nol Stondotd O~1 Company Founded in Cleveland, Ohio. in 1870. Jennifer Dietz I NFOR~AT.I ON CONTRO~ Wel I Records LR2-1 Standard Alaska Production Company 900 Fast Benson Boulevard P.O. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 STANDARD ALASKA PRODUCTION October 6, 1988 Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 Attention: Mr. C. V. Chatterton Well C-31 (13-21-11-14) PBU Gentlemen: Enclosed, in triplicate, is Form 10-403, Application for Sundry Approvals, for the above-named well. This contains our proposal to perform a cement squeeze and reperforation of the well. Yours very truly, JAB:JAM Enclosures (9) cc: L. Burke (MB12-1) C-31 Well File Ja~' Bragg ' ~;~ get Production Engineering A unit of the original Standard Oil Company Founded in Cleveland, Ohio, in 1870. STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION APPLICATION FOR SUNDRY APPROVALS . Type of Request: Abandon [] Suspend [] Operation Shutdown [] 'ime extension [] Change approved program [] Plugging [] Stimulate [] 2. Name of Operator Standard Alaska Production Company 3. Address P. O. Box 196612, Anchorage, Alaska 99519-6612 4. Location of well at surface 1800' SNL, 883' WEL, SEC. 19, T11N, R14E, UPM At top of productive interval 2551'NSL, 6'WEL, SEC. 20, T11N, R14E, UPM At effective depth 2428' NSL, 319' EWL, SEC. 21, T11N, R14E, UPM At total depth 2412' NSL, 366' EWL, SEC. 21, T11N, R14E, UPM Re-enter suspended well [] Alter casing [] Pull tubing [] Amend order [] Perforate [] 5. Datum elevation (DF or KB) Other [] KBE = 67.78 AMSL feet 6. Unit or Property name Prudhoe Bay Unit 7. Well number C-31 (13-21-11-14) PBU B. Permit number 88-6 9. APl number 5 0 - 029-21775 10. Pool Prudhoe Oil Pool 1. Present well condition summary Total depth: measured true vertical Effective depth: measured true vertical Casing Length Structural -- Conductor 110 S u rface 2796 Intermediate 10840 Production -- Liner 1142 Perforation depth: measured 11740 feet BKB 9081 feet 11653 feet BKB 9009 fee t Size Plugs (measured) Junk (measured) fill at' 11653' (08/88) 20 13 3/8 9 5/8 Cemented Measured depth True Vertical depth BKB 8 c.y. 139 139 3900 c.f. 2825 2719 2335 c.f. 10869 8343 5 1/2 ~. 353 c.f. 11590'-11612', 11620'-11658' true vertical subsea 8890'-8946' (two intervals) 10598-11740 8102-9081 Tubing (size, grade and measured depth) 5 1/2" L-80 stabbed into top of 5 1/2" liner at 10598' Packers and SSSV (type and measured depth) 9 5/8" Bakerpacker at 10467'; 5 1/2" SSSV at 2153' 12. Attachments Description summary of proposal [] Detailed operations program [] BOP sketch [] 3. Estimated date for commencing operation October 1988 4. If proposal was verbally approved Name of approver Date approved 5. I hereby,certify that the fqregoing is true and correct to the best of my knowledge Si~lned '~ ~Z~ (~~ ~/~-~ Title Manager Production Engineering ~""' //'/ ...... ' ' ~/~/ Commission Use Only Conditions of~approval Notify commission so representative may witness IApproval [] Plug integrity [] BOP Test [] Location clearance I No. Approved by ORIGINAL SIGNED BY LONNIE C. SMITH --orm 10-403 Rev 12-1-85 ~-~pproved Copy Returned Commissioner by order of the commission Date/O_ ? ¢0 Submit in triplicat~ State Sundry Notice Well C-31 A non-rig CTU workover is planned for well C-31 to eliminate a channel extending from the perforated zone to a zone of gas influx. The post-workover and pre-workover perforations will remain the same. The objective is to return well C-31 to low GOR production. . 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. Tag TD with slickline2TEL. Rig up coiled tubing unit and pressure BOP's to 4000 psi. Perform mud acid wash. Return well to production and flow back spent mud acid. Reverse out sump fluids and fill to top of solid fill (original PBTD 11,680'MDBKB - CBT/CET 2/18/88). Fluid pack the wellbore with produced water. Pmnp cement with surfactant/mutual solvent pre-flush. Perform cement squeeze on existing perforations targeting upwards channel. Contaminate cement in the wellbore. Reverse out contaminated cement and replace with clean produced water. WOC. Repefforate the same intervals as producing pre-workover: 11,590- 11,612' MD BKB (22'MD) 11,620 - 11,658' MD BKB (38'MD) To:rAL (60'MD) Reperforate Reperforate REF: EWR/GR (2/15/88) 13. Put well back on production and test. Nitrogen lift if necessary to kick off production. Coiled Tubing Blow-Out-Preventers C, oiled Tubing [ .' Pack-Of~ Blind Rams Cutter Rams Chicksan (Kill Line) Slips Pipe Rams Pump-In Sub (Circulate/Returns) Well Head Swab Valve' : Standard Alaska' P~'oduction Comp~ 900 Eos! Benson 8oulevord P.O. Box 196612 Anchorage, Alaska 9'9519-6612 (907) .564-5 ! ! I HOUSTON ARCO CHEVRON EXXON TEXACO TO: MOBIL PHILLIPS STATE OF ALASKA GEOSCIENCES RESERVOIR REFERENCE: ARCHIVES SAPC CASED HOLE FINAL LOGS INDEXED STANDARD ALASKA PROD~JCTION Date: 09/01/88 TI: 79270 The following material Is being submitted herewith. Please acknowledge receipt by signlng a copy of this letter and returnlng it to thls office: ~ C-31 R-17 ~R-17 ~ R-18 PITS 08/25/88 #1 11000-11650 Sch 5" Prod 08/27/88 #1 10300-11082 Sch 5" Completion 08/24/88 #1 9694-10650 Sch 5" Prod 08/28/88 #1 9750-10083 Sch 5" Rece I ved Date ~: ' A un,! ol the o,,g~nol Slondo,d O41 Coml~ony Founded ,n Cle-elond. ~o. ~n 1870. Jennifer Dietz I NFORMAT I ON CONTROL Wel I Records LR2-1 ~Xq ~u~s £ZgT[ - 899TT g# a:oo g99~ - 809~ 9# =SaOlIO] se sle.~aluT q~TR ~I~-D IIaR mona saldmes d~qa a~oa ~oo~ auo ~o (saxoq 8 ao Ie~O~) ~as au0 :~OI&&O SIH~ O~ ~I DNINMR~MH QNV MM£~M7 SIH~ MO ~800 V DNINDIS ~H · Xaeaq!I aIdmes ale)s ~o} IC-O IIaa flsa eoa) saidmes dTqo aaoo ~o uoiss~msueaZ :aoua~a)aM I0966 )P~ 'oMemoqvuv__ · aQ au!dnvaoa I00g uo!$$!mmoo uo~eAaasuoo seD ~ II0 eMselV aI~OH uqoF 88/9~/9 :aleQ MM0~S MM0O :u~lv g0966 e~seIV 'aMe~oqvuv anuaAv q~9§ ~sah 0I[I INVdROO NOIIO~QOHd V)ISVqV QMVQNViS glOI - # qV~IHSNVH~ Slondo~d P~oduct~on Comp 900 East Benson Bo~,evard P.O. Box 196612 Anchorage, Alaska ~519-~12 (907) 564.51 I I DALLAS ARCO CHEVRON EXXON TEXACO TO: MOBIL PHILLIPS STATE OF ALASKA GEOSCIENCES RESERVOIR REFERENCE: ARCHIVES SAPC CASED HOLE FINAL LOGS INDEXED _ STANDARD ALASKA PRODUCTION Date: 06/08/88 TI: 78924 The following material Is being submitted herewith. Please acknowledge receipt by signing a copy of this letter and returnlng it to thls offlce: C-31 C-31 C-34 GC- 3A G-14 R-14 X-5 CCL/Perf 04/16/88 CCL/Perf 04/18/88 CCL/Perf 04/17/88 Positioning Log/CCL CCL/Perf 04/30/88 Temp, Survey 04/27/88 CCL/Perf 04/08/88. #1 10245-11643 Gearhart 5" #1 11200-11643 Gearhart " #1 8300-9602 Gearhart " 04/20/88 #1 2700-2830 Gearhart 5" #1 9200-9700 Gearhart 5" #1 600-3500 Gearhart " #1 9200-10496 Gearhart " Rece I ved Date A un~! of the Founded in C~l Company !. C~'o. ,n 1870 Anchorage JOfl Jennifer Dietz I NFORMAT I ON CONTROL Wel I Records LR2-1 I-Z;B'I spJo3e~l I I e/~ 'IOHINO3 NO I/YbEK)~N I a~Pl~PIV ~'!zo~oTA OZSI u. 'o,~0 'puola,,ai~) u! p.)punoj ~uodu,,o) I.~0 p~opuol(; iou!67o alii to I!un 1( :e31J~o slq$ o& &l §UlUanseJ pue ae&$eI slq& Jo ~do3 · §UlUSIS ~q Sdle3eJ e§Pel~ou~3e eSeeld 'q$1aeJeq pe$$1mqns §uleq sI iglJe~ea §Ul~OllOi SDO~I TVNIzI .q~IOH (IMSVD D(IVS :33N3B3~3B i.. - S3AIHD~V' S~qON.qIOSO.q9 8~II"I'IIIt~I 'IIROR · ODVX3.T. NOXX~I NOMA-qHD ODh'V :ol 03X3ONI SV'IgVG ' STATE OF ALASKA , /~J ALASKA' OIL AND GAS CONSERVATION COMMISSION WELL COMPLETION OR RECOMPLETION REPORT AND L 1. Status of Well Classification of Service Well OIL~. GAS [] SUSPENDED [] ABANDONED [] ,,'. ~ ~ 2. Name of Operator 7. Permit Number Standard Alaska Production Company 88-6 3. Address 8. APl Number P. O. Box 196612, Anchorage, Alaska 99519-6612 50- 029-21775 ... 4. Location of well at surface 9. Unit or Lease Name 1800' SNL, 883' WEL, SEC 19, T11N, R14E Prudhoe Bay Unit At Top Producing Interval 10. Well Number C-31 (13-21-11-14)q 2729' SNL, 6 WEL, SEC 20, T11N, R14E 1:1. Field and Pool At Total Depth Prudhoe Bay Field/Prudhoe Bay Pool 2868' SNL, 4914' WEL, SEC 21, T11N, R14E {¢'~' Elevation in feet (indicate KB, DF, etc.) J6. Lease Designation and Serial No. 67. 78'= KBE I ADL 28306 12. Date Spudded 13. Date T.D. Reached 14. Date Comp., Susp. or Aband. 115. Water Depth, if olfsho re 116. No. of Completions 1-21-88 2-15-88 4-18-88I 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 11740'MD 9081'TVD 11699'MD 9047'TVD YES [] NO []I 2153feet MDI 2110' 22. Type Electric or Other Logs Run . ..S. FD/CNL PORO, CNL-RA W, EWR/GR, MUD LOG 23. CASING, LINER AND CEMENTING RECORD SETTING DEPTH MD CASING SIZE WT. PER FT. GRADE TOP BO'I-TOM HOLE SIZE CEMENTING RECORD AMOUNT PULLED ,,, 20" Conductor Surface 110' 8 cu yds Concrete ' ' 13-3/8." 68# L-80 Surface 2825' 17-1/2" 3900 cufl Permafrost ....... 9'-5/8'" 47# L-80 Surface 5461' 12-1/4" , , 9-5/8" 47# L-80 5461' 10869' 12-1/4" 2335 cufl Class G 5-1/2" 17# L-80 10610' 11740' 8-1/2" 353cuft Class G ~,~. Perfo~'ations Open to Production (MD+TVD of Top and Bottom and 25. TUBING RECORD interval, size and number) SIZE DEPTH SET {MD) , PACKER SET {MD) ' 4" HSC @ 4 spf. 11620'-11658'MD (8914'-8946' TVDss) 5-1/2" 17# L-80 10603' MD 10467' 3-3/8" guns @ 6 spf. 11590'-11612' MD (8890'-8908' TVDss) 26. ACID, FRACTURE, CEMENT SQUEEZE, ETC. DEPTH INTERVAL (MD) AMOUNT & KIND OF MATERIAL USED 9-5/8" X 13-3/8" Downsqueeze 9-5/8"x 13-3/8" annulus with 300 sx Arctic Set I followed by 125 bbls crude oil ,,, 27. PRODUCTION TEST Date First Production IMethod of Operation (Flowing, gas lift, etc.) 4-18-88 J FIowin9 Date of Test Hours Tested PRODUCTION FOR OlL-BBL GAS-MCF WATER-BBL CHOKE SIZE IGAS-OIL RATIO TEST PERIOD I~ I Flow Tubing Casing Pressure CALCULATED OIL-BBL GAS-MCF ¢VATER-BBL OIL GRAVITY-APl (corr) Press. 24-HOUR RATE I1~ 28. CORE DATA Brief description of lithology, porosity, fractures, apparent dips, and presence of oil, gas or water. Submit core chips. RECEIVED JUN 9 1988 Alaska 011 & Gas Cons. Commission Anchorage ....... Form 10-407 Rev. 7-1-80 CONTINUED ON REVERSE SIDE Submit in duplicate 29. f ~. 30. · GE(~OGIC MARKE~" ,~RMATION TESTS NAME Include interval tested, pressure data, all fluids recovered and gravity, MEAS. DEPTH TRUE VERT. DEPTH GOR, and time of each phase. SAG 1091 O' 8379' Shublik A 10955' 8419' Zone 4 11007' 8465' 31. LIST OF ATTACHMENTS 32. I hereby certify that the foregoing is true and correct to the best of my knowledge Signe N,~ ,tie PB" Drilling Engineering S.Dervisor 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 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 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 INITIAL PERFORATING DATA - Well C-31 04/03/88 Pressure tested tubing and ~uner annulus. 04/16/88 Installed and tested lubricator to 3500 psi. Rigged up Gearhart and perforated the following interval for initial production using 4" HSC guns at 4 spf. 11620' - 11658' MD BKB (8914' - 8946' TVDss) 04/18/88 Perforated the following interval using 3 3/8" guns at 6 spf: 11590' - 11612' MD BKB (8890' - 8908' TVDss) Put well on production and tested. Note: all depths are referenced to EWR/GBR, 02/15/88. 05/04/88 Ran initial static pressure temperature survey at 8800' TVDss. 05/14/88 Set and tested initial SSSV in ball valve nipple at 2153'. RECEIVED JUN 9 ]gS Alaska Oil & Gas Cons. Commission Anchorage jm(06/01/88) 0755Z COrE DEPTH STATE OF ALASKA CORE ~-'~CRIPTION WELL C-31 DISCRIPTION 11290-11326 11326-11372 11372-11408 11408-11468 11468-11528 11528-11588 11588-11610 Sandstone, siltstone and shale, good porosity a few fractures, good gas shows. Sandstone, siltstone and shale, good porosity a few fractures, good gas shows. Conglomerate, pebbly sandstone and sandstone. A few fractures, good gas and oil shows. Sandstone and conglomerate some shale. Fractures filled with siderite, good porosity good shows. Sandstone massive to interlaminated with silt and shale. Fractures filled with siderite, good porosities and oil shows. Sandstone, siltstone and shale, some pebbly intervals fractures with Dickite fill. Good porosity and shows. Siltstone and shale often laminated, fair to good porosity. Good oil shows. Some fracturing. 88-I~d~-£0 Pla~g X~8 aogpn~ Xuwdmoo uo~onpo~ P~swl~ qeq e~oo uo#ll TABLE OF CONTENTS I · SECTION A - SUMMARY OF PROCEDURES 1.) Introduction 2.) Methodology a. Wellsite Core Handling Procedures b. Core Gamma Surface Log c. Laboratory Sampling d. Laboratory Procedures - Plug Analysis e. Laboratory Procedures - Full Diameter Analysis 3.) Special Conditions II. SECTION B - CORE ANALYSIS RESULTS 1.) Dean Stark Analysis Results 2.) Detailed Lithological Descriptions III. SECTION C - APPENDICES 1.) Wellsite Core Report 2.) Correlation Coregraph Alaska Oil & Gas Cons. Commission Anchorage SECTION A SUMMARY OF PROCEDURES Standard Alaska Production Company PBU C-31 Prudhoe Bay Field North Slope, Alaska 07-April-88 RE~ CEJ~EL Alaska Oil & Gas Cons. Commissioii Anchorage INTRODUCTION Whole core samples from the PBU C-31 well were submitted to the Core Laboratories, Anchorage facility for core analysis. The following is an outline of the procedures used in analyzing the PBU C-31 core samples. METHODOLOGY Wellsite Core Handling Procedures Core Lab Technicians were onsite to assist in the retrieval and preservation of the core. The following outlines the preservation techniques utilized at the wellsite : 1. Cores 1 and 2 were cored with a fiberglass inner barrel. The method of preservation entailed cutting the barrel into five foot lengths, capping the ends with rubber caps and hose clamps, and placing the core in ProtecCore. 2. Core 3 was cored with a fiberglass inner barrel. The core was cut into three foot sections and transported to the core trailer. The core was pushed out of the inner barrel, wrapped in barex, saran wrap and foil and then preserved in Core Lab brand Core Seal. 3, Cores 4 through 7 were caught on the drill floor, and transported in barex lined boxes to the core trailer. The cores were wrapped in barex, saran wrap and foil, and preserved in Core Lab brand Core Seal. Core Gamma Surface Log Gamma radiation was measured on the entire core using the Core Lab Surface Gamma Logger. The results are reported on the Core Analysis Correlation Coregraph. Laboratory Sampling Plugged Samples For each foot, a 1 inch diameter by 1.5 inch length plug was extracted for helium porosity, air permeability, and Dean-Stark method fluid measurements. All plugs were taken from the center of each core piece and parallel to the bedding strike, with water used as the bit coolant. A 1 inch diameter by 1.5 inch vertical plug was taken perpendicular to the bedding plane and adjacent to the horizontal plug for vertical permeability measurements. A full diameter sample was extracted in conglomeritic sections, where no plug could be drilled, for helium porosity, air permeability, and Dean-Stark analysis fluid measurements. Cores 1 and 2 sampling depths were selected by Standard personnel. Core 3-7 sampling depths were taken from Core Lab pieces assigned at the wellsite. The report denotes depths where a plug was not successfully taken, or where analysis was not requested. Laboratory Procedures - Plug Analysis Porosity Grain volumes were determined by a Boyle's Law - Heise Gauge Helium Porosimeter. Bulk volumes were measured by mercury displacement. Permeability Horizontal permeability to air was measured using a steady state permeameter with 400 psig confining pressure. Fluid Saturation Measurements Fluid saturations were performed by the Dean-Stark method. Plug samples were cleaned of all fines resulting from the sampling process. Fresh weights were measured, and the samples were then loaded into plug size Dean-Stark equipment for water recovery a minimum of 16 hours. Samples were removed and hydrocarbon extraction was performed following the guidelines listed under Hydrocarbon Extraction. Hydrocarbon Extraction The plug samples were placed in a toluene centrifuge extractor for hydrocarbon removal a minimum of two days, or until no fluorescence was visible. Once cleaned, the samples were dried in a convection oven for a minimum of 24 hours at 240 deg. F., and then cooled in a desiccator to room temperature before porosity and permeability was measured. Laboratory Procedures - Full Diameter Analysis Porosity Grain volumes were determined by a Boyle's Law - Heise Gauge Helium Porosimeter. Bulk volumes were measured using the Archimedes method utilizing water as the immersing fluid. Permeability Permeability to air was measured using a steady state permeameter and a hydrostatic holder with 400 psig confining pressure. Horizontal permeability was measured parallel and perpendicular to bedding strike with screens attenuating 45 deg. of arc. In addition a vertical permeability measurement was made parallel to core axis. Fluid Saturations and Hydrocarbon Extraction Fluid saturations were performed by the Dean-Stark method. The Full Diameter samples were cleaned of all fines resulting from the sampling process. Fresh weights were measured, samples were placed in Full Diameter Dean-Stark equipment for water recovery a minimum of 48 hours. For purposes of extracting the hydrocarbons, the samples were left in the Dean-Stark Apparatus an additional two weeks. Special Conditions Approximately 4 inches of core was extracted, in seven sections specified by SAPCO personnel, for special tests. The core was placed in a special holder enclosed by an anaerobic unit with a nitrogen rich environment. The core was then injected with approximately two pore volumes of brine solution mixed to the salinity requested by SAPC personnel. It was then taken out of the special holder and placed in an anaerobic jar filled with brine solution. The anaerobic jars were provided by SAPCO. Core Lab core pieces selected at the wellsite were depreserved, sampled*, and represerved in Core Seal. Cores 1 and 2 were pushed out of the fiberglass inner barrel, sampled*, and represerved in ProtecCore. * Note - Sampling for Core Lab Analysis was performed at Core Laboratories, Anchorage, Alaska. Ail seven cores were catscanned prior to the analysis. Core Lab personnel assisted SAPCO in the catscanning project which took place at the Providence Hospital. 88-I!~d~-£0 pia!M ~8 aogpn~ XuPd~oo uo!~onpo=~ PMsPI¥ S~SMM SIS%~N~f ~00 ~ NOIADHS 88-I~ad~-£0 P~s~iy '~doIS qSaON PI~ K~8 ~oqpn~ Xu~dmoo uo~$onpoi~ P~s~I~ O NOI~D~S Standard Alaska Production Company PBU C-31 Prudhoe Bay North Slope, Alaska Sample Depth Hor Ka Hor Ka Vert Ka Number (ft) (0 Deg) (90 Deg) (mci) Core #1 11290.0 - 11328.0 101 11290.1 1129.35 402.04 102F 11291.1 1209.06 967.76 665.93 103F 11292.6 1419.32 1221.89 1036.55 104F 11293.6 1507.70 1303.33 987.39 · 105 11294.9 ** ** 107 11296.1 1512.46 ** 108 11297.7 744.36 365.20 109 11298.7 ** ** 112F 11301.2 1668.67 1544.40 1162.32 113F 11302.4 163.41 93.69 174.77 114 11303.5 889.07 423.15 115 11304.7 998.33 218.57 116F 11305.3 1495.12 1207.46 222.55 117 11306.6 468.31 133.37 118 11307.8 346.26 34.49 119 11308.8 2031.42 ** 120F 11309.7 1178.07 470.88 938.76 121 11310.9 1676.15 796.88 122 11311.8 2071.82 1349.60 123F 11312.6 3~.70 284.02 188.03 124F 11313.7 681.07 530.69 179.07 125F 11314.8 374.32 297.38 287.96 126F 11315.6 896.43 764.34 544.01 127F 11316.9 588.56 553.91 438.30 C 0 R E L A B 0 R A T 0 R I E S , I N C . Date : 07-April-88 Formation : Sadlerochit Drlg Fld : Bland Mud Location : 19-11N-14E (surface) 20-11N-14E DEAN STARK CORE ANALYSIS He Oil % Wtr % Grain POR Pore Pore Den M Description File No : BP-3-1261 Laboratory : Anchorage Analysts : TLS,TDT,RGC API No : 50-0291775-00 26.0 13.8 54.7 2.70 22.8 17.5 56.0 2.64 25.9 20.2 48.2 2.66 25.1 16.1 54.9 2.65 17.4 15.3 65.2 2.68 26.3 19.4 61.3 2.71 26.7 18.9 62.8 2.70 24.4 26.6 52.1 2.71 20.8 17.7 62.8 2.64 20.2 23.8 62.9 2.63 27.1 22.7 52.8 2.71 25.4 18.9 59.5 2.69 24.7 16.5 57.5 2.64 23.3 23.6 53.1 2.79 25.0 24.6 52.8 2.72 27.0 15.9 59.8 2.75 25.0 16.0 60.0 2.65 25.5 21.6 58.1 2.77 27.6 19.7 57.6 2.69 22.6 17.2 56.7 2.68 23.0 17.2 59.1 2.65 22.3 15.5 63.9 2.64 25.4 16.6 57.6 2.64 24.4 16.6 58.7 2.65 SS - yelgy, vf-mgr, pred fgr, wsrtd, sbang-sbrd, mnr kx~d, f-cgr, psrtd sd, sl fri-fri, tr sLt SS - cgl, yelgy, f-cgr, pred f-mgr, grnls, f-c pbls, psrtd, sbang-rd, wcons-slfri, tr slt SS - yelgy, vf-cgr, pred f-~jr, 1% grnls, Wsrtd, sbrd-wrd, wcons-slfri, tr bdg SS - cgl, yelgy, f-cgr, pred f-mgr, grnls, f-med pbls, psrtd, sbang-rd, slfri-fri, tr bdg SS - yelgy, vf-cgr, pred vfgr, 1% grnls, pred w srtd, sbrd, $l fri, tr slt SS- yelgy, vf-mgr, pred fgr, 1% grnls, w srtd, sbrd-rd, fri, tr slt SS - yelgy, vf-cgr, pred vf-fgr, mnr wthrd cht pbl, mod wsrtd, sbrd-rd, sl fri-fri, tr slt SS - yelgy, vf-fgr, 1% vcgr sd, very wsrtd, sbrd-rd fri, tr slt, tr pyr,** SS - cgl, yelgy, 30% bdd cgl, grnls, fn pbls, 70% bdd ss is mgr, grnls, psrtd, sbang-rd, slfri Cgl - yelgy, 20-30% f-med pbls, 20-25% grnls, slfri, mtx is f-cgr, psrtd, sbang-sbrd, cly clast SS - yelgy, vf-cgr, pred vf-fgr, w srtd, sbrd-rd, sl fri-fri, mnr slt, thn bdg SS - yelgy, vf-vcgr, pred f-cgr, 1-2% grnls, mod wsrtd, sbang-rd, sl fri, mnr slt, thn bdg SS - yelgy, f-vcgr, prstd, sbang-rd, slfri ss, 5% grnls, 1% fn rd pbls, intbd vfgr, wsrtd s~ SS - yelgy, vf-fgr, pred vfgr, slty, very w srtd, sbrd-rd, mod-wcons, poss mnr sid-ank SS - yelgy, vf-fgr, pred vfgr, slty, very w srtd, sbrd-rd, mod-wcons, mnr sid-ank cmt, thn bdg SS - yelgy, f-mgr, pred fgr, w srtd, sbrd-rd, sl fri-fri, mnr slt Cgl - yel-lt olvgy, 20-30% fn-~ pbls, 20-30% grnls, sdy mtx, well cons, slfri in sdy areas SS - yelgy, f-cgr, pred f-mgr, mod-wsrtd, sbrd-rd, grades to vf-fgr, fri ss, tr slt SS - yelgy, vf-fgr, pred fgr, very w srtd, sbrd-rd, fri, tr slt SS - cgl, yelgy, f-mgr, grnls, fn pbls, mod wsrtd, wcons-slfri, tr bdg, frac parallel to Kmax. SS - cgl, yclgy, 40% pred ~jr, w-~ wstd, sbang-sbrd, grades to vf-vcgr, psrtd, sbang-rd ss Cgl - yelgy, 20% grnls, 20% fn-med plols, mod cons, f-cgr sdy mtx SS - yelgy, vf-cgr, pred f-~r, 5-7% grnls, 1~2% fn pbls, p-mod wsrtd, sbrd-rd, wcons-slfri SS - yelgy, vf-vcgr, pred f-~jr, psrtd, sbrd-rd~ wcons Core Analysis Report page 1 ] ] ] ] ] J _ } J ! ] ....! _ii] J ~ .... J ..... _.] i J ....... J J ...... C 0 R E L A B 0 R A 1' 0 R I E S , I N C . Standard Alaska Production Company PBU C-31 Prudhoe Bay North Slope, Alaska Date : 07-April-88 Formation : Sadlerochit Drlg Fld : Bland Mud Location : 19-11N-14E (surface) 20~11N-14E File No : BP-3-1261 Laboratory : Anchorage Analysts : TLS,TDT,RGC API No : 50-0291775-00 DEAN STARK CORE ANALYSIS Sample Depth Hor Ka Hor Ka Vert Ka He Oil % Wtr % Grain Number (ft) (0 Deg) (90 Deg) (md) POR Pore Pore Den M Description 128F 11317.7 1747.91 1505.93 26.10 26.1 16.4 57.0 2.65 129F 11318.7 270.19 259.00 201.11 22.3 14.9 67.6 2.65 130 11319.6 ** ** 26.5 15.5 53.2 2.65 131 11320.1 ** ** 25.7 22.6 66.7 2.66 132 11321.1 1140.13 286.77 26.3 26.1 53.5 2.73 133 11322.1 1532.01 502.31 26.9 22.3 54.4 2.72 134 11323.5 1226.20 496.13 26.1 29.1 52.3 2.72 SS - yelgy, pred f-mgr, grnls, f-med pbLs, pstd, sbang-sbrd, wcons, bdd, frac parallel to Kmax Cgl - yelgy, wht, 40-50% fn-c pbls, 5-10% grnls, sbrd-rd, wcons, f-cgr sdy mtx SS - yelgy, cgl, f-vcgr, 5% grnls, p srtd, sbrd-rd, fri SS - yelgy, f-cgr, pred f-mgr, 2-3% grnls, mod w srtd, sbrd-rd, vfri SS - yelgy, vf-mgr, pred fgr, w srtd, sbang-sbrd, fri, mnr slt, tr bdg SS - yelgy, vf-mgr, pred fgr, 1% cgr sd, w srtd, sbang-sbrd, fri, mnr slt, tr bdg SS - yelgy, vf-fgr, slty, very w srtd, sbrd-rd, sl fri Core #2 11326.0 - 1170.7 201 11326.9 2.52 <.01 5.3 5.3 88.0 2.68 203 11328.3 0.05 0.04 7.7 13.0 85.5 2.78 204 11329.8 612.13 297.58 26.4 21.2 45.7 2.72 205 11330.9 217.11 155.94 25.0 25.8 46.5 2.72 206 11331.9 551.30 649.58 27.3 21.4 49.7 2.72 207 11332.9 151.52 296.35 24.3 26.0 45.3 2.74 208 11333.8 1009.35 302.82 28.3 24.8 44.7 2.73 209 11334.5 1055.12 364.61 28.1 23.3 45.0 2.69 211 11336.1 735.79 436.35 26.5 31.0 47.2 2.69 212 11337.1 577.85 279.70 25.4 28.3 45.0 2.71 213 11338.6 1070.38 353.99 28.9 23.2 45.9 2.66 214 11339.3 663.50 187.77 26.4 23.8 45.8 2.70 215 11340.4 971.77 759.38 24.7 28.1 49.3 2.66 216 11341.3 ** ** 8.7 9.4 77.6 2.71 217 11342.2 0.22 <.01 5.9 4.1 85.1 2.76 218 11343.1 0.02 <.01 4.5 3.1 87.0 2.65 Mdst - oLvgy, slty, tr vfgr sd, mod hd, mic, horz open frac SS - yelgy, vf-fgr, pred vfgr, slty, very wsrtd, sbrd-rd, w cons, tr pyr, arg lams SS- yelgy, vf-fgr, pred fgr, very wsrtd, sbrd-rd, sl fri, mnr slt SS - yelgy, vf-fgr, pred fgr, slty, very wsrtd, sbrd-rd, mod cons-sl fri SS - yelgy, vf-fgr, pred fgr, very wsrtd, sbrd-wrd sl fri, mnr slt SS - yelgy, vf-fgr, pred fgr, very wsrtd, sbrd-rd, sl fri SS - yelgy, vf-fgr, pred fgr, very w srtd, sbrd-wrd, fri, mnr slt SS - yelgy, vf-fgr, pred fgr, tr grnls, very wsrtd, sbrd-rd, fri, mnr slt SS - yelgy, vf-fgr, pred fgr, very wsrtd, sbrd-rd, sl fri, mnr slt SS - yelgy, vf-fgr, very wsrtd, sbrd-rd, sl fri, mnr slt SS - yelgy, vf-fgr, pred fgr, very wsrtd, sbrd-rd, sl fri, tr slt SS - yelgy, vf-fgr, slty, very wsrtd, sbrd-rd, sl fri SS - yelgy, vf-mgr, pred fgr, slty, wsrtd, sbrd-rd, sl fri Mdst - mgy, slty, 5-~% vfgr sd, mod hd, wcons Mdst - mdkgy, slty, mic, mod hd, 5% yellbrn grns, poss sid, thn bdg, mnr sdy lams Mdst - olvgy-olvblk, slty, mic, 1% vf-fgr sd grns, mod hd and wcons Core Analysis Report page 2 ] ] ] ] ] ] ! ] ! ~J ! J .......... J ] J · J J ....... J ...... J Standard Alaska Production company PBU C-31 Prudhoe Bay North Slope, Alaska C 0 R E L A B 0 R A T 0 R I E S , I N C . Date : 07-April-88 Formation : Sadlerochit Drlg Fld : Bland Mud Location : 19-11N-14E (surface) 20-11N-14E File No : BP-3-1261 Laboratory : Anchorage Analysts : TLS,TDT,RGC API No : 50-0291775-00 Sample Depth Number (ft) 221 11346.3 222 11347.8 223 11348.8 224 11349.5 225 11350.8 226 11351.6 227 11352.7 228 11353.8 229 11354.8 230 11355.9 231 11356.5 232 11357.4 233F 11358.5 234F 11359.7 236AF 11361.0 236B 11361.9 237F 11362.7 238F 11363.8 24OAF 11365.0 240BF 11365.8 241F 11366.7 243 11368.2 244 11369.3 Hor Ka Hor Ka Vert Ka (0 Deg) (90 Deg) (md) 0.18 0.11 408.95 209.84 333.29 240.35 710.37 214.14 1291.55 554.67 758.16 199.33 1.71 0.09 51.99 32.14 580.53 237.93 1509.30 545.44 791.29 356.22 322.82 322.69 10.80 13.08 76.93 7.78 8.38 220.68 479.24 156.25 654.72 283.93 334.81 1607.56 112.77 646.64 395.25 14.18 334.60 818.01 630.15 736.58 759.57 458.81 537.60 1943.91 45.03 1299.13 195.15 11.13 0.01 <.01 Core #3 11372.0 - 11403.5 DEAN STARK CORE ANALYSIS He Oil % Wtr % Grain POR Pore Pore Den M Description 11.5 28.1 63.6 2.69 26.7 23.3 46.4 2.68 27.8 19.2 55.6 2.67 27.2 21.6 57.5 2.70 28.8 21.6 51.3 2.67 27.4 24.3 53.2 2.66 17.0 29.6 53.9 2.69 21.2 25.9 49.0 2.75 25.5 22.2 54.3 2.71 27.7 23.1 51.9 2.69 26.1 21.2 49.0 2.70 24.9 21.7 52.7 2.69 22.5 18.0 61.8 2.67 23.0 17.3 60.8 2.67 24.1 14.7 59.2 2.71 20.6 23.7 59.1 2.71 21.7 16.5 58.3 2.74 21.0 16.4 53.7 2.70 22.0 16.4 52.0 2.66 19.9 16.4 56.1 2.65 22.2 16.5 51.2 2.72 16.2 20.7 49.5 2.71 3.0 6.0 89.3 2.98 Sltst - It olvgy, abnt vfgr-sd, wcons, abnt mica, tr arg lams SS - yelgy, vf-fgr, very w srtd, sbang-rd, sl fri, mnr slt S[tst - yelgy, [t olvgy abnt vfgr sd, w cons, abnt mica, tr arg lams SS - yelgy, vf-mgr, pred fgr, w srtd, sbang-sbrd, s[ fri, grds to vfgr slty ss SS - yelgy, vf-fgr, very wsrtd, sbrd-rd, slfri-fri, mnr slt, tr bdg SS - yelgy, vf-fgr, very wsrtd, sbrd-rd, s[fri-fri, mnr slt tr bdg SS - yelgy, vfgr, slty, very wsrtd, sbrd-rd, wcons, tr mica, tr arg lams SS - yelgy, vf-fgr, pred vfgr, slty, very wsrtd, sbrd-rd w cons, mnr cmt, poss sid SS - yelgy, vf-fgr, pred fgr, slty, w srtd, sbrd-rd, sl fri, mnr cmt SS - yelgy, f-mgr, pred mgr, wsrtd, sbrd-wrd fri, mnr slt SS - yelgy, vf-fgr, pred fgr, w srtd, sbrd-rd, fri, mnr slt SS - yelgy, vf-fgr, slty, sbrd-rd, s[ fri SS - cgl, yel gy, pred f-mgr, psrtd, sbrd-rd, wcons, filled vert frac parallel to Kmax SS - 60% yelgy, pred mgr, mod-wsrtd, sbrd-rd, wcon-slfri, bdd cg[, filled frac parallel to Kmax Cg[ - yelgy, wht, grnls, fn pbls, mod cons, f-cgr mtx, bdd fgr ss, filled frac parallel to t BSS - yelgy, f-cgr, pred mgr, 3-5% grnls, mod srtd, s[ fri-fri, mnr vfgr, sl calc, bdd ss SS - yellgy, pred f-mgr, grnls, psrtd, sbang-rd, fri, bdd, filled frac parallel to Kmax SS - yelgy, pred f-mgr, tr grnls, mod wsrtd, sbrd-rd, wcons, filled frac parallel to Kmax SS - cgl, yelgy, f-vcgr, pred f-mgr, 15-20%grn[s, 1% fn pbls, psrtd, sbrd-rd, wcons, bdd Cgl - yelgy, wht, 20-30% grnls, 2-3% fn pbls, pred sbrd-rd, slfri, mtx is vf-mgr sd SS - yelgy, f-mgr, grnls, mod wsrtd, sbang, slfri, mnr bdd cg[, filled frac parallel to Kmax SS - yelgy, f-cgr, pred mgr, 1% grnls mod wsrtd, sbang-sbrd, wcons, mnr slt, tr bdg S[tst - olvgy, abnt vfgr sd, mic, grds to vfgr arg ss, v wcons, dnse, mdst lams, tr pyr Core Analysis Report page 3 'Standard Alaska Production Company PBU C-31 Prudhoe Bay North Slope, Alaska Sample Depth Hor Ka Hor Ka Vert Ka Number (ft) (0 Deg) (90 Deg) (md) 301 11372.8 1.09 7.00 302 113~.9 116.92 277.65 303 11374.1 159.99 57.42 304 11375.8 267.43 145.61 305 11376.8 190.47 139.63 306 11377.2 45.00 61.16 307 11378.2 36.43 36.43 308 11379.6 389.67 574.69 309 11380.8 136.11 104.62 310 11381.2 106.18 91.68 311 11382.1 740.73 80.93 312 11383.3 1063.75 1077.65 313 11384.7 49.71 22.11 314 11385.7 867.96 389.10 315 11386.7 661.82 665.62 316 11387.7 811.82 ** 317 11388.1 793.35 ** 318 11389.8 905.25 ** 319 11390.2 ** 509.44 320 11391.5 504.30 156.51 321 11392.6 2299.16 538.46 322 11393.9 1254.40 1348.23 323 11394.1 672.82 409.76 324 11395.4 242.80 78.61 325 11396.5 ** ** 326 11397.5 768.74 430.55 C 0 R E L A B 0 R A T 0 R I E S , I N C . Date : 07-April-88 Formation : Sadlerochit Drlg Fld : Bland Mud Location : 19-11N-14E (surface) 20-11N-14E File No : BP-3-1261 Laboratory : Anchorage Analysts : TLS,TDT~RGC AP! No : 50-0291775-00 DEAN STARK CORE ANALYSIS He Oil % Wtr % Grain POR Pore Pore Den M Description 10.5 38.5 25.5 2.81 SS 19.7 19.4 44.4 2.70 SS 20.6 24.6 35.8 2.69 SS 22.4 23.9 40.9 2.71 SS 21.5 24.0 39.0 2.72 SS 20.4 26.0 46.6 2.66 SS 20.7 24.8 41.3 2.69 SS 23.4 21.3 47.6 2.7t SS 23.9 22.0 47.9 2.66 SS 23.6 22.6 48.1 2.68 SS 25.9 23.8 48.6 2.68 SS 26.2 18.2 49.5 2.69 SS 21.9 25.1 44.3 2.70 SS 26.7 19.1 50.3 2.70 SS 24.5 15.6 62.2 2.72 SS 26.4 18.5 61.9 2.73 SS 26.3 18.2 60.7 2.72 SS 27.8 16.4 64.5 2.69 SS 26.2 17.9 69.8 2.68 SS 25.5 18.3 52.4 2.74 SS 28.2 14.7 54.7 2.66 SS 26.7 15.7 54.0 2.69 SS 25.4 14.1 55.2 2.69 SS 26.0 20.3 46.0 2.68 SS 27.1 19.7 68.0 2.67 SS 25.7 16.8 57.5 2.73 SS yetgy, vf-fgr, yeLgy, vf-fgr, yelgy, vf-fgr, yelgy, vf-fgr, yelgy, vf-fgr, yeLgy, vf-fgr, yelgy, vf-fgr, ye[gy, vf-fgr, ye[gy, vf-fgr, yeLgy, vf-fgr, yelgy, vf-mgr, ye[gy, vf-mgr, )red vfgr, slty, wsrtd, sbang-sbrd, v wcons, tr bdg (** vert) )red vfgr, very wsrtd, sbang-sbrd, wcons, mnr sit, mnr mdy Lam(** vert) ~red vfgr, wsrtd, sbang-sbrd, wcons, mnr slt ~red vfgr, wsrtd, sbang-sbrd, mod cons, mnr slt ~red fgr, slty, very wsrtd, sbang-sbrd~ mod-wcons ~red fgr, slty, very wsrtd, sbang-sbrd~ mod-wcons, tr lams. ared vfgr, slty, very wsrtd, sbang-sbrd, mod-wcons ared vfgr, very w srtd, sbrd, mod cons, mnr slt ared vfgr, slty, very srtd, sbrd, mod cons bred fgr, slty, wsrtd, sbrd, mod cons-s[ fri, tr bdg )red fgr, s[ty, 1% grnls, wsrtd, sbang-sbrd, s[ fri, tr bdg )red f-mgr, tr grnls, mod-w-srtd, sbrd-rd, sl fri, mnr slt, mnr grd bdg yelgy, vfgr, slty, very wsrtd, sbrd-rd, wcons yelgy, f-cgr, pred f-mgr, I% grnls, mod w srtd, sbang-rd fri,tr slt, mnr bdg ye[gy, f-cgr, pred f-mgr, 3-5% grnls mod w srtd, sbang-rd, fri, tr slt, tr bdg yelgy, f-cgr, pred f-mgr, 5% grnls p-mod w srtd, sbrd-rd, fri, tr slt yelgy, f-cgr, pred f-mgr, 2% grnls, mod wsrtd, sbrd-rd, fri, tr bdg yelgy, f-cgr, pred f-~jr, 2% grnls, p srtd, sbang-rd, fri, tr slt yelgy, f-cgr, pred f-mgr, 5% grnls psrtd, sbrd-rd, fri, tr slt yetgy, vf-fgr, pred vfgr, very wsrtd, sbrd-rd, fri, mnr slt, tr bdg yelgy, f-mgr, 1% vcgr sd, w srtd, rd-wrd, fri, tr slt yelgy, vf-mgr, pred fgr, 1% grnls, w srtd, sbrd-rd, fri, mnr slt yelgy, vf-fgr, pred fgr, 2% grnls, wsrtd, sbrd-rd, fri, mnr slt yelgy, vf-fgr, slty, very wsrtd, sbrd-rd, st fri-fri, tr bdg yelgy, f-cgr, pred mgr, 2-3% grnls, mod wsrtd, sbrd, fri, tr slt yelgy, vf-cgr, pred fgr, 2% grnls, mod wsrtd, sbrd-rd, fri, mnr slt, tr bdg Core Analysis Report page 4 C 0 R E L A B 0 R A T 0 R I E S , I N C . Standard Alaska Production Company PBU C-31 Prudhoe 8ay North Slope, Alaska Date : 07-April-88 Formation : Sadlerochit Drlg Fld : Bland Mud Location : 19-11N-14E (surface) 20-11N-14E File No : 8P-3-1261 Laboratory : Anchorage Analysts : TLS,TDT,RGC API No : 50-0291775-00 DEAN STARK CORE ANALYSIS Sample Depth Hor Ka Hor Ka Vert Ka He Oil % Wtr % Grain Number (ft) (0 Deg) (90 Deg) (md) POR Pore Pore Den M Description 327 11398.5 357.97 222.14 24.5 19.4 50.3 2.73 SS - yelgy, vf-cgr, pred f-mgr, slty, 1% grnls, mod wsrtd, sbang-sbrd, fri, tr grd bdg 328 11399.1 271.01 151.68 23.5 21.4 55.0 2.75 SS - cgl, yelgy, vf-mg, pred fgr, slty, 1-2% grnls and pbls, mod w srtd, sbrd-rd, fri 329 11400.8 522.42 350.37 26.2 17.0 63.3 2.73 SS - cgl, yelgy, vf-cgr, pred f-mgr, 5% grnls p srtd, sbrd-rd, fri, mnr slt, grd bdg 330 11401.2 723.19 198.36 26.0 17.4 67.9 2.67 SS - cgl, yelgy, f-mgr, pred mgr, 5-~ grnls and pbl, w srtd, rd-wrd, mnr slt, grd bdg 11401.0 - 11403.0 Rubble - No Analysis Core #4 11408.0 -11466.0 401 11408.4 319.73 143.81 24.0 21.5 44.6 2.72 402 11409.8 504.23 75.57 25.8 22.0 41.2 2.69 403F 11410.3 142.20 45.47 52.25 21.3 18.0 67.6 2.68 404 11411.2 1062.09 874.48 25.8 25.1 44.4 2.71 405F 11412.1 144.80 125.64 76.75 23.7 16.5 61.9 2.65 406F 11413.0 349.07 200.28 253.26 23.2 15.2 61.6 2.64 407 11414.7 767.55 191.40 25.1 24.8 45.5 2.72 408F 11415.1 157.06 152.61 136.19 24.7 14.9 60.2 2.65 409 11416.2 892.73 ** 28.3 16.0 65.5 2.67 410 11417.5 254.50 150.63 25.4 18.8 47.4 2.69 411F 11418.7 163.41 93.69 96.49 25.4 21.2 46.3 2.72 412 11419.1 173.18 103.94 24.9 17.8 48.7 2.70 413 11420.3 83.20 76.26 23.9 20.2 49.1 2.70 414 11421.8 138.78 66.45 24.4 18.2 46.0 2.71 415 11422.9 357.88 181.98 24.8 23.0 48.4 2.72 416 11423.2 233.69 100.92 24.6 21.3 48.4 2.74 417F 11424.6 177.29 123.61 94.84 26.0 17.8 62.3 2.66 SS - yelgy, vf-fgr, pred vfgr, slty, very wsrtd, sbang-rd, sl fri SS - yelgy, vf-fgr, pred vfgr, slty, very wsrtd, sbang-rd, sl fri Cgl - mgy, wht, 20-30% fn-med pbls, 10-15% grnls, mod cons, f-cgr sdy mtx SS - yelgy, vf-mgr, pred fgr, wsrtd, sbrd-rd, fri Cgl - lt-mgy, wht, 15-20% fn-med pbls, 10-15% grnls, mod-well cons, vf-mgr sdy mtx Cgl - lt-mgy, 15-20% fn-med pbls, 5-10% grnls, mod -well cons, vf-mgr sdy mtx SS - yelgy, vf-fgr, slty, tr-1% grnls, very wsrtd, sbrd-rd, sl fri Cgl - yelgy, 5-10% fn pbls, 10-15% grnls, mod-wcons, f-vcgr sdy mtx, tr bdg SS - yelgy, mgr, wsrtd, sbrd-wrd, grds to m-vcgr, psrtd, sbang-sbrd, sd, fri, tr slt SS - yelgy, vf-fgr, pred vfgr, 1% grnls, very wsrtd, sbrd-rd, sl fri, mnr slt, tr bdg SS - yelgy, vf-fgr, pred vfgr, 1% grnls, very wsrtd, sbrd-rd, sl fri, mnr slt SS - yelgy, vf-fgr, pred vfgr, 2% grnls, very wsrtd, sbrd-rd, sl fri, mnr slt SS - yelgy, vf-fgr, pred vfgr, very wsrtd, sbrd-rd, sl fri, mnr slt, mnr bdd cgl SS - yelgy, vf-fgr, pred vfgr, very wsrtd, sbrd-rd, w conosl fri, mnr slt SS - yelgy, f-mgr, pred fgr, slty, wsrtd, sbrd-rd, fri SS - yelgy, f-mgr, pred fgr, slty, wsrtd, sbrd-rd, fri SS - cgl, yelgy, f-vcgr, pred m-cgr, 5% fn pbls, 10-15% grnls, psrtd, sbang-rd, sl fri tr bdg Core Analysis Report page 5 Standard Alaska Production Company PBU C-31 Prudhoe Bay North Slope, Alaska C 0 R E L A B 0 R A T 0 R I E S , I N C . Date : 07-April-88 Formation : Sadlerochit Drlg Fld : Bland Mud Location : 19-11N-14E (surface) 20-11N-14E File No : BP-3-1261 Laboratory : Anchorage Analysts : TLS,TDT,RGC API No : 50-0291775-00 Sample Depth Number (ft) 418F 11425.7 419 11426.7 420 11427.1 421 11428.8 422 11429.1 423 11430.9 424 11431.3 425 11432.7 426 11433.8 427 11434.8 428 11435.3 429 11436.7 430 11437.2 431F 11438.8 432 11439.8 433 11440.2 434 11441.8 435 11442.2 436 11443.8 437 11444.2 438 11445.8 439 11446.1 440 11447.4 441 11448.7 442 11449.2 443 11450.5 Hor Ka Hor Ka Vert Ka (0 Deg) (90 Deg) (md) 74.29 21.90 61.81 721.35 131.31 2094.22 ** 829.32 185.34 843.31 ** 105.53 12.99 272.89 118.94 920.99 86.84 1192.09 987.91 999.11 675.95 57.46 469.31 682.29 167.57 583.59 226.45 88.35 71.79 71.79 378.60 218.09 379.72 255.26 905.76 282.33 280.59 227.89 19.52 10.49 46.38 18.30 51.74 33.23 31.13 26.77 320.71 279.75 764.69 300.60 985.04 390.93 706.83 267.77 DEAN STARK CORE ANALYSIS He Oil % Wtr % Grain POR Pore Pore Den M Description 21.4 18.8 58.5 2.66 24.3 15.6 55.0 2.69 28.6 18.6 58.5 2.70 24.0 21.6 56.3 2.70 24.9 18.2 60.6 2.68 17.6 21.0 48.1 2.77 21.3 19.9 45.4 2.75 27.6 19.6 50.2 2.69 28.6 19.9 48.6 2.69 29.3 16.0 60.9 2.68 22.6 22.4 49.6 2.69 27.3 18.2 56.6 2.69 26.3 19.7 52.0 2.68 26.0 18.0 64.3 2.66 27.0 19.3 58.6 2.68 27.2 20.5 58.2 2.67 28.4 17.8 59.5 2.69 24.9 23.6 47.8 2.73 20.8 25.1 45.9 2.70 22.6 23.1 45.3 2.70 23.9 24.8 48.8 2.71 23.2 25.7 50.1 2.70 28.4 26.9 56.3 2.72 29.2 27.0 56.0 2.70 30.2 23.4 56.6 2.69 28.9 20.2 54.3 2.72 SS - yelgy, vf-cgr, pred f-mgr, 3-5% fn pbls, 5-10% grnls, mod-psrtd, sbrd-rd, slfri SS - yelgy, f-mgr, pred mgr, tr grnls, very wsrtd, sbrd-rd, fri, tr sltv mnr cmt SS - yelgy, f-mgr, pred mgr, tr-1% grnls, very wsrtd, sbrd-wrd, fri, tr slt SS - yelgy, vf-mgr, pred fgr, 2% grnls, mod srtd, sbrd-rd, fri, tr slt, tr bdg SS - yelgy, vf-mgr, pred fgr, 2% fn pbls, mod srtd, sbrd-rd, fri, tr slt~ tr bdg SS - yelgy, vf-fgr, pred fgr, slty, 1% grnls, very wsrtd, sbang-sbrd, wcons, mnr cmt, poss sid SS - yelgy, vf-fgr, pred fgr, slty, very wsrtd, sbang-sbrd, wcons SS - yelgy, f-mgr, pred mgr, very wsrtd, sbrd-rd, fri, tr slt, tr bdg SS - yelgy, f-cgr, pred fgr, very wsrtd, sbrd-rd, fri, tr slt, tr bdg SS - yelgy, f-cgr, pred mgr, 1% grnls, mod-wsrtd, sbrd-wrd, vfri, tr slt SS - yelgy, vf-fgr, pred fgr, very wsrtd, sbrd-wrd, fri, thnly intbd vfgr ss SS - yelgy, vf-fgr, pred fgr, very wsrtd, sbrd, fri, mnr slt SS - yelgy, vf-fgr, pred fgr, very wsrtd, sbrd, fri, mnr slt Cgl - yelgy, wht, 10-20% fn-med pbls, 10-15% grnls, mod cons, f-cgr sdy mtx SS - yelgy, f-mgr, pred fgr, wsrtd, sbrd-rd, fri, tr slt, tr bdg SS - yelgy, f-mgr, pred mgr, w srtd, sbrd-rdv vfri, tr bdg SS - yelgy, f-mgr, pred mgr, w srtd, sbrd-rd, vfri SS - yelgy, vf-fgr, pred vfgr, slty, very wsrtd, rd, fri SS - yelgy, vfgr, slty, very wsrtd, sbrd-rd, wcons SS - yelgy, vf-fgr, pred vfgr, slty, very wsrtd, sbrd-rd, wcons SS - yelgy, vf-fgr, pred fgr, 1% grnls, very wsrtd, sbrd-rd, wcons, tr mnr bdg SS - yelgy, vf-fgr, pred fgr, slty, very wsrtd, sbrd, w cons, tr bdg SS - yelgy, f-cgr, pred mgr, 2% grnls, mod wsrtd, sbrd-rd, vfr~, tr slt SS - yelgy, f-cgr, pred mgr, 2% grnls, rd-wrd, vfri, tr slt, tr pyr SS - yelgy, vf-mgr, pred mgr, wsrtd, rd-wrd, vfri, tr slt SS - yelgy, vf-mgr, pred fgr, wsrtd, sbrd-wrd, vfri, tr slt Core Analysis Report page 6 Z a6ed ~Jodga s!s~]euv ~JOO ~mo asup uum '~u~ 1s 'pu-puqs 'p~JSM 'SlUJ6 U~ 'A31s 'U6~ paud 'u~u-J^ 'A6la~ - $$ ls J3 '!u~ 'pu-puqs 'p3JsM 'sluJ6 %L 'u6m-~ 'u6o-~ '~61a~ - SS ss suo3~ '~]SA 'J6~-~A '!J~ 'pJ-puqs 'p~JS~ S]UJ6 %L 'U6~ paud 'J6m-~ '~61a~- SS 99'2 ~'2~ L'~2 2'92 3qo '!u~ is 'puqs-6ueqs 'p3Js~ '~3]s 'J6~ paJd 'J6~-~^ '~6]a~ - SS S9'2 0'9S 5'Z2 2'£2 sm~1 ~31s 'x~m Aps JBO-~A 'SUOO~ 'SlUJ§ 'slqd pam-~ '~61a~ - 163 ~mo ~ue-p~s ssod 'suooM 'SlUJ6 %0Z-09 'slqd pem-u~ %02-~L M61a~ - 163 3~0 ~ue-p!s ssod 'suoo~ 's]uJ6 ~2-02 'slqd pa~-u~ %0S-09 '3q~ '~6^1o 31 - 163 LS'2 S'~9 2'9L 9'22 x3m Aps J63-~ 'suoo ~luood-pom 'sluu6 %S2-02 'slqd pam-u~ %§L-0L '3qm '~61aA - 163 Z9'9Z2 66'60S L'~ZffLL 20'69£ 66'929L £'ffZffLL ZOS ~9'2~ 99'69L ~'¢_.ZgLL 90~ 00'92 ~6'~2 6'~ZgLL ~0~ £2'9 29'99 92'S£ g'LZgLL 96'£2L £L'LL2 99'9L2 O'OZgLL ~£0S Z6'6gL z6'gzL 6Z'2S2 9'699LL J20S g2'gL gZ'gL g2'6L 9'g99LL 0'92SLL - O'g99LL S# aaO3 XJ3~ J6OA-~ '$1UJ6 %S2-02 'slqd pa~-u~ %SL'0L '~q~ 'X61aX '16o eaed - 163 S9'Z 0'99 ~a~^ 'puqs paad 'pa-6ueqs 'p~usd 's]uJ6 ~-~ J6~ paad 'u6o^-~ 'X61aX - SS Z9'2 9'09 [a~ 'p~JSM po~-p~Jsd '$]uJ8 %[ 'J6~ paJd 'JBO-~ '~qM 'AS]aA I SS 99'2 9'99 Z'L2 9'92 hmo p~s JUa ssod 'saoeld u! 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Date : 07-April-88 Formation : Sadlerochit Drlg Fld : Bland Mud Location : 19-11N-14E (surface) 20-11N-14E File No : BP-3-1261 Laboratory : Anchorage Analysts : TLS,TDT,RGC API No : 50-0291775-00 Sample Depth Number (ft) 630 11557.8 631 11558.2 632 11559.8 633 11560.8 634 11561.2 635 11562.7 636 11563.2 637 11564.1 638 11565.3 639 11566.5 640 11567.8 641 11568.2 642 11569.8 643 11570.2 644 11571.2 645 11572.8 646 11573.2 647 11574.8 648 11575.2 649 11576.8 650 11577.7 651 11578.4 652 11579.8 653 11580.2 654 11581.7 655 11582.7 Hor Ka Hor Ka Vert Ka (0 Deg) (90 Deg) (md) 108.37 108.98 227.94 141.75 307.53 182.08 380.98 151.32 626.65 295.94 94.22 78.05 9.02 5.43 401.46 253.69 124.17 35.44 334.51 219.34 107.89 104.19 42.37 87.14 262.85 98.08 125.68 99.24 31.74 38.92 0.26 0.10 10.56 ** 16.54 11.24 14.00 7.36 39.47 28.57 37.73 29.22 29.83 34.56 2.42 3.77 4.82 1.02 15.19 14.51 17.99 14.63 DEAN STARK CORE ANALYSIS He Oil % Wtr % Grain POR Pore Pore Den M Description 24.2 29.8 45.6 2.73 25.3 25.3 48.6 2.71 25.6 27.7 48.0 2.68 26.9 25.4 50.4 2.67 28.3 25.7 49.0 2.68 23.5 34.2 48.1 2.77 SS - 17.9 20.9 52.0 2.73 SS - 25.6 26.1 49.1 2.71 SS - 22.5 27.4 48.4 2.73 SS - 24.3 24.5 50.0 2.73 SS - 23.0 25.7 49.4 2.71 SS - 21.7 25.2 47.6 2.79 SS - 25.5 26.0 48.5 2.70 SS - 24.1 24.9 48.0 2.69 SS - 22.4 22.1 44.9 2.71 SS - 10.7 30.5 49.3 2.66 SS - 5.5 3.3 89.3 2.70 Mdst 21.0 24.2 46.9 2.69 SS - 20.7 24.7 49.9 2.69 SS - 22.3 25.6 48.5 2.65 SS - 22.2 24.5 50.8 2.65 SS - 22.0 27.4 50.8 2.65 SS - 16.7 32.6 47.8 2.65 SS - 18.2 35.3 42.9 2.65 SS - 20.2 24.2 50.3 2.66 SS - 20.3 26.8 50.5 2.69 SS - SS - yelgy, vf-fgr, pred fgr, slty, wsrtd, sbrd-rd, patchy wcmtd sd SS - yelgy, f-mgr, pred fgr, slty, wsrtd, sbrd-rd, fri, tr carb frags SS - yelgy, f-mgr, pred fgr, slty, wsrtd, sbrd-wrd, fri, tr carb frags SS -yelgy, f-mgr, pred fgr, slty, wsrtd, sbrd-wrd, fri, tr carb frag SS - yelgy, f-mgr, pred fgr, wsrtd, sbrd-wrd, fri, slty, tr carb frags yelgy, vf-fgr, pred fgr, slty, wsrtd, sbrd-rd, fri, tr carb frags yelgy, vf-mgr, pred fgr, slty, wsrtd, sbrd-rd, fri, tr carb frags, mud chips yelgy, f-mgr, pred fgr, slty, wsrtd, rd-wrd, fri, tr carb frags yelgy, fgr, very wsrtd, slty, sbrd-rd, fri, mnr carb frags yelgy, vf-fgr, very wsrtd, slty, rd-wrd, fri, tr carb frags yelgy, vf-fgr, pred fgr, slty, very wsrtd, rd-wrd, fri, tr carb frags yelgy, pred vfgr, slty, very wsrtd, rd-wrd, fri, carb frags, pyr, horz filled frac yelgy, vf-fgr, pred fgr, slty, wsrtd, rd-wrd, fri, tr carb frag, tr mud chip yelgy, vf-fgr, pred vfgr, slty, very wsrtd, rd-wrd, fri, tr carb frags, tr pyr yelgy, vf-fgr, pred vfgr, slty, v wsrtd, sbrd-rd, sl fri, carb lams, bd parallel break lt, olvgy, mgy bdd mdst, vfgr, slty, very wsrtd, sbrd-rd, wcons, mnr carb frags - dkgy, vslty, mic, wcons, mnr carb frags, horz open frac present It olvgy, vfgr, slty, very wsrtd, sbrd-wrd, wcons-sl fri, tr carb frags It olvgy, vfgr, slty, very wsrtd, sbrd-wrd, wcons-sl fri, mnr carb frags It olvgy, vfgr, slty, very wsrtd, sbrd-wrd, wcons-sl fri, mnr carb frags It olvgy, vfgr, slty, very wsrtd, sbrd-wrd, wcons-sl fri, mnr carb frags It olvgy, vf-fgr, slty, pred vfgr, very wsrtd, rd-wrd, sl fri, tr carb frags, lam It olvgy, vfgr, slty, very wsrtd, rd-wrd, wcons, tr carb frags It olvgy, vfgr, slty, very wsrtd, rd-wrd, wcons, tr carb frags, tr mica, mnr carb lam It olvgy, vfgr, slty, very wsrtd, rd-wrd, wcons, mnr carb frags It olvgy, vf-fgr, slty, pred vfgr, very wsrtd, rd-wrd, wcons-sl fri, tr carb frags Core Analysis Report page 11 ~L a6ed 3Jodga s~s~leU¥ 9JO3 smel qJe3 's6eJ~ qJeo JU~ 'suooN 'pJ~-pJ 'p3Jsm J3Xe 'A31s 'J§~A 'A6^lO 31 - SS smel qJe3 '§eJ~ qJe3 juuJ 'suooffi 'pJ~-pJ 'p3Js~ J3xe '~31s 'J~A 'A§A10 31 - SS e3~m J~ 's§eJ~ qJe~ JuuJ 'suo3~ 'pJ~-pJ 'p3Js~ J3×e '~31s ~J§~A 'A6AlO 3] - 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These are conventional descriptions using a binocular microscope, hand lens, grain size scales, and a comparison chart for percentage estimation and roundness determination. The following format was used for describing these samples: Sandstones 1.) Color 2.) Percent (%), description of minor rock type 3.) Grain size 4.) Sorting 5.) Roundness 6.) Cementing and/or degree of consolidation 7.) Minerals present 8.) Sedimentary structures or features 9.) Fracture descriptions Mudstones/Shales/Siltstones 1.) Color 2.) Percent (%) minor rock type 3.) Grain size modifiers 4.) Cementing and/or degree of consolidation 5.) Accessory minerals 6.) Sedimentary structures or features 7.) Fracture descriptions Standard Alaska Petroleum PBU C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 File : BP-3-1261 Formation: Sadlerochit laboratory: Anchorage Drlg Fld: Bland Analysts: TLS, TDT, RGC Loc: 19-11N-14E (SUR) API #: 50-0291775-00 20-11N-14E (B~IL) Detailed Lithological Descriptions 101 11290.1 Sandstone- yelgy, vf-mgr, pred fgr, w srtd, sbang-sbrd, mnr bdd f-cgr, psrtd sd, sl fri-fri, composed of 80-90% qtz, 5- 10% cht, 1% dk frags, 1-3% sit.~ . 102 11291,1 sandstone - ogl, yelgy, f-cgr, pred f-mgr, 5% grnls, 3-5% fn- .... ¢-~pbls, spl is psrtd, mod-wsrtd in bdd sd, sbang-rd, wcons-slfri, spl is cc~ of 60-70% qtz, 30-40% cbt, 2-5% dk frags, tr slt, spl exhibits thnly intbd ss and cgl ss. 103 11292.6 Sandstone- yelgy, vf-cgr, pred f-~gr, 1% grnls, wsrtd, sbrd -wrd, wcons-slfri, oo~posed of 60-70% qtz, 30-40% cht, 1% dk frags, tr bdg, mnr bdd sdy cgl. 104 11293.6 Sandstone- ogl, yelgy, f-cgr, pred f-mgr, 5-10% grnls, 1% fn-med pbls, pred rd, spl is psrtd, sbang-rd, slfri-fri, composed of 60-70% qtz, 30-40% pred wthrd cht, 2% dk frags, tr bdg visible by grnls and cgr sd. 105 11294.9 Sandstone - yelgy, vf-cgr, pred vfgr, 1% grnls, pred w srtd, sbrd, mnr bdg sd defined by coarser gms, spl is sl fri, co~posed of 80-90% qtz, 5-10% cht, 1% dk frags, 3-5% slt. 107 11296.1 Sandstone - yelgy, vf-mgr, pred fgr, 1% grnls, w srtd, sbrd- rd, fri, cc~posed of 80-90% qtz, 5-10% cht, 1-3% slt, tr-l% dk frags. 108 11297.7 Sandstone - yelgy, vf-cgr, pred vf-fgr, one reed size wthrd cht pbl, mod wsrtd, sbrd-rd, sl fri-fri, cc~posed of 80% qtz, 10-15% cht, 1-3% slt, 1% dk frags. 109 11298.7 Sandstone - yelgy, vf-fgr, 1% vcgr sd, very wsrtd, sbrd-rd fri, composed of 80-90% qtz, 5-10% cbt, 3-5% slt, tr dk frags, tr pyr, spl is broken. 112 11302.2 Sandstone - cgl, yelgy, 30% bdd cgl, f-mgr, mod srtd, sbrd- rd, sdy mtx, 15-20% grnls, 2-3% fn pbls, pred rd, consists of cht, qtz and poss dk argillite, bdd ss is f-ogr, pred mgr, 5% grnls, psrtd, sbang- rd, slfri, c~ of 60-70% qtz, 30- 40% cht, 1-2% dk frags, tr slt. 113 11302.4 Conglomerate - para cgl, yelgy-lt olvgy, 20-30% fn-med_~ pbls, 20-25% grnls, pbls and grnls are sbrd-rd, spl is mtx supported and slfri, mtx is sdy, f-ogr, psrtd, sbang-sbrd, spl is composed of 50-60% qtz, 30-40% cht, 5% dk frags, 5% olvgy cly balls, 2-3c~. Standard Alaska Petroleum PBU C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 File : BP-3-1261 Formation: Sadlerochit Laboratory: Anchorage Drlg Fld: Bland Analysts: TLS, TDT, RGC Loc: 19-11N-14E (SUR) API #: 50-0291775-00 20-11N-14E (BHL) Detailed Litholc~_ical Descriptions 114 11303.5 Sandstone- yelgy, vf-cgr, pred vf-fgr, w srtd, sbrd-rd, sl fri,fri, composed of .80-90% qtz, 5-15% cht, 3-5% slt, tr dk frags, thn bdg defined by coarser grn sd. 115 11304.7 Sandstone - yelgy, vf-vogr, pred f-cgr, 1-2% trip cht grnls, spl is pred mod wsrtd, psrtd in places, sbang-rd sl fri, cc~ of 80-90% qtz, 10-15% cht, 3-5% slt, 1-2% dk frags, thn bdg defined by coarser grn cht and trip cht. 116 11305.3 Sandstone- yelgy, 20-30% intbd, vf-cgr, pred vfgr, wsrtd, sbrd-rd, wcons ss, 70-80% f-vogr, prstd, sbang-rd, slfri ss, 5% grnls, 1% fn rd pbls, spl is composed of 60-70% qtz, 30- 40% cht, 5% dk frags, poss argillite. 117 11306.6 Sandstone- yelgy, vf-fgr, pred vfgr, very w srtd, sbrd-rd, mod-wcons, cont~ed of 85-90% qtz, 5-7% cht, 5-10% slt, tr dk frags, poss mnr sid-ank cmt. 118 11307.8 Sandstone - yelgy, vf-fgr, pred vfgr, very w srtd, sbrd-rd, mod-WCOns, co,post, of 85-90% qtz, 5-7% cht, 5-10% slt, trdk frags, poss mnr sid-ank cmt, thn bdg defined by ~ % of slt in mtx. 119 11308.8 Sandstone- yelgy, f-mgr, pred fgr, w srtd, sbrd-rd, sl fri- fri, cc~posed of 80% qtz, 10-15% cht, 3-5% slt, tr-l% dk 120 11309.7 Conglomerate - para ogl, yel-lt olvgy, 20-30% fn-med pbls, 20-30% grnls, pbls and grnls are sbrd-rd, spl is mtx supported and well cons, slfri in sdy areas, mtx is sdy, vf- ogr, slty, psrtd, sbrd-rd, spl is oo~pose~ of 50% qtz, 40% cht, 10% dk argillite. 121 11310.9 Sandstone - yelgy, f-ogr, pred f-mgr, ~od-wsrtd, sbrd-rd, grades top vf-fgr, w srtd ss, spl is fri, con~pos~ of 75-80% qtz, 15-20% cbt, 1-3% slt, tr dk frags, % slt increases in finer sd. 122 11311.8 Sandstone - yelgy, vf-fgr, pred fgr, very w srtd, sbrd-rd, pred rd, fri, cc~posed of 80-90% qtz, 10-15% cht, 3% slt, tr dk frags. Standard Alaska Petroleum P~U C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 File : BP-3-1261 Formation: Sadlerochit laboratory: Anchorage Drlg Fld: Bland Analysts: TLS,TDT,RGC Loc: 19-11N-14E (SUR) API #: 50-0291775-00 20-11N-14E (BHL) Detailed Litholoqical Descriptio~ 123 11312.6 Sandstone- cgl, yelgy, vf-cgr, pred f-mgr, 3-5% grnls, 1-2% fn pbls, spl is modw srtd, psrtd in places, wcons-slfri, composed of 50-60% qtz, 40-50% cht, 5%'dk frags, poss argillite, tr bdg, open to closed frac parallel to Kmax. 124 11313.7 Sandstone - cgl, yectgy, 40% vf-mgr, pred mgr, w-mod w srtd, sbang-sbrd, grades to 60% vf-vcgr, psrtd, sbang-rd ss, with 5-7% grnls, tr-l% fn pbls, spl is wcons-slfri, cc~posed of 50-60% qtz, 40% cht, 2-3% argillite, grd bdg. 125 11314.8 .Conglomerate-para cgl, yelgy, wht, 20% grnls, 20% fn-med pbls, grnls and pbls are sbrd-wrd, oomposed of 70-80% cht, 10-20% dark argillite, 10% qtz, spl is mtx supported and sl fri, mtrx is sdy, f-cgr, pred fgr, mod wsrtd, sbrd-rd, cc~ of 50-60% qtz, 40-50% cht, 2-3% dk frags. 126 11315.6 Sandstone - yelgy, vf-cgr, pred f-mgr, 5-7% grnls, 1-2% fn pbls, spl is p-mod wsrtd, sbrd-rd, wcons-slfri, composed of 50-60% qtz, 40-50% cbt, 2-3% dk frags, bdg made visible by concentrated grnls and pbls. 127 11316.9 Sandstone - yelgy, vf-vcgr, pred f-mgr, psrtd, sbrd-rd, wcons, co~ of 60-70% qtz, 30-40% cht, 1-3% dk frags. 128 11317.7 Sandstone- yelgy, 30-40% bdd, f-mgr, pred fgr, wsrtd, sbang- sbrd ss, 70% bdd, f-cgr, pred f-mgr, 5% grnls, 1-2% fn-med pbls, prstd, sbang-sbrd, spl is wcons and cc~posed of 60-70% qtz, 30-40% cht, 1-2% dk frags, subhorz open to closed frac present, parallel to Kmax. 129 11318.7 Conglomerate -para cgl, yelgy, wht, 40-50% fn-c pbls, 5-10% grnls, pbls and grnls are sbrd-wrd, spl is mtx suppo~ and wcons, slfri in areas of greater % sd, mtx is sdy, f-c~r, pred mgr, mod wsrtd, sbang-sbrd, spl is co~pos~ of 50-60% qtz, 40-50% cht, 10% dk argillite. 130 11319.6 Sandstone- yelgy, cgl, f-vogr, 5% grnls, p srtd, sbrd-rd, fri, cc~posed of 50-60% qtz, 30-40% cht and trip cht, 1-3% slt, tr dk frags. 131 11320.1 Sandstone - yelgy, f-cgr, pred f-mgr, 2-3% grnls, mod w srtd, sbrd-rd. Vfri, cc~po~ed of 60-70% qtz, 20-30% cbt and trip cht, 3% slt, tr-l% dk frags. Standard Alaska Petroleum PBU C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 File : BP-3-1261 Formation: Sadlerochit Laboratory: Anchorage Drlg Fld: Bland Analysts: RTS,TUC,RGC Loc: 19-11N-14E (SUR) API #: 50-0291775-00 20-11N-14E (~IL) Detailed Litholoqical Descriptions 132 11321.1 Sandstone- yelgy, vf-mgr, pred fgr, w srtd, sbang-sbrd, fri, composed of 80% qtz, 5-10% cht, 5% slt, tr dk frags, tr thn bdg, defined by vfgr sd and increased % slt. 133 11322.1 Sandstone - yelgy, vf-mgr, pred fgr, 1% cgr trip cht, w srtd, sbang-sbrd, fri, composed of 80% qtz, 5-10% cht, 5% slt, tr dk frags, tr thn bdg, defined by vfgr sd and increased % slt. 134 11323.5 Sandstone - yelgy, vf-fgr, very w srtd, sbrd-rd, sl fri, cc~posed of 80-90% qtz, 5-10% slt, 5% cbt. 201 11326.9 Mudstone - olvgy, slty, tr vfgr sd, raod hd, mic, horz open frac present. 203 11328.3 Sandstone - yelgy, vf-fgr, pred vfgr, very wsrtd, sbrd-rd, w cons, co~pos~ of 80-90% qtz, 10-15% slt, 1-2% cht, tr pyr, arg wvy lams present. 204 11329.8 Sandstone- yelgy, vf-fgr, pred fgr, very wsrtd, sbrd-rd, sl fri, cc~posed of 80-90% qtz, 5-7% cbt, 5% slt, % slt varies in spl. 205 11330.9 Sandstone- yelgy, vf-fgr, pred fgr, very wsrtd, sbrd-rd, mod cons-sl fri, co~posed of 80-90% qtz, 5-10% slt, 3-5% cht. 206 11331.9 Sandstone- yelgy, vf-fgr, pred fgr, very wsrtd, sbrd-wrd sl fri cc~posed of 90% qtz, 5% slt, 3-5% cht. 207 11332.9 Sandstone- yelgy, vf-fgr, pred fgr, very wsrtd, sbrd-rd, mod cons-sl fri, cc~ of 80-90% qtz, 5-10% slt, 3-5% cbt. 208 11333.8 Sandstone- yelgy, vf-fgr, pred fgr, very w srtd, sbrd-wrd, fri, oc~posed of 90% qtz, 5% slt, 3-5% cht, % slt varies to 1-5% in areas. 209 11334.5 Sandstone- yelgy, vf-fgr, pred fgr, tr grnls, very wsrtd, sbrd-rd, fri composed of 90% qtz, 5% slt, 5% cht. 211 11336.1 Sandstone- yelgy, vf-fgr, pred fgr, very wsrtd, sbrd-rd, sl fri, ccmposed of 90% qtz, 5-7% cht, 2-5% slt. 212 11337.1 Sandstone - yelgy, vf-fgr, very wsrtd, sbrd-rd, sl fri, composed of 85-90% qtz, 5-7% slt, 5% cbt. Standard Alaska Petroleum P~J C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 File : BP-3-1261 Formation: Sadlerochit Laboratory: Anchorage Drlg Fld: Bland Analysts: TLS, TDT, RGC Loc: 19-11N-14E (SUR) API #: 50-0291775-00 20-11N-14E (~IL) Detailed Lithological Descriptions 213 11338.6 Sandstone- yelgy, vf-fgr, pred fgr, very w~rtd, si)rd-rd, sl fri, composed of 90% qtz, 5% cht, 3-5% slt, % slt decreases . ~ in .areas to tr slt. 214 11339.3 Sandstone - yelgy, vf-fgr, very wsrtd, sbrd-rd, sl fri, composed of 85-90% qtz, 5-7% slt, 5% cht. 215 11340.4 Sandstone- yelgy, vf-mgr, pred fgr, wsrtd, sbrd-rd, sl fri, composed of 80-90% qtz, 5-10% cht, 5-7% slt. 216 11341.3 Mudstone- mgy, slty, 5-7% vfgr sd, mod hd, wcons. 217 11342.2 MudStone - m~, slty, mic, mod hd, 5% m-ogr yellbrn gms, poss sid, thn bdg defined by increase in slt, mnr vfgr sdy lams present. 218 11343.1 Mudstone - olvgy - olvblk, slty, mic, 1% vf-fgr sd gms, spl is mod hd and wcons. 221 11346.3 Siltstone - it olvgy, abnt vfgr-sd, wcons, abnt mica assoc 222 11347.8 Sandstone- yelgy, vf-fgr, very w srtd, sbang-rd, sl fri, oo~pos~ of 90% qtz, 3-5% cht, 5% slt. 223 11348.8 Sltst - yelgy, It olvgy abnt vfgr sd, w~ons,abnt mica assoc with ~inct arg lams, 2-3% cht, 5-7% slt. 224 11349.5 Sandstone- yelgy, vf-~c3r, pred fgr, wsrtd, sbang-sbrd, sl fri, cc~ of 80-90% qtz, 5-15% cht, 5-10% slt, % cht and slt varies within spl, spl grades to vfgr slty ss. 225 11350.8 Sandstone- yelgy, vf-fgr, very wsrtd, sbrd-rd, slfri-fri, composed of 90% qtz, 5% cht, 5% slt, indistinct bdg with increased slt. 226 11351.6 Sandstone- yelgy, vf-fgr, very wsrtd, sbrd-rd, slfri-fri, composed of 90% qtz, 5% cht, 5% slt, indistinct bdg with increased slt. 227 11352.7 Sandstone- yelgy, vfgr, very wsrtd, sbrd-rd, wcons, cc~posed of 80% qtz, 20% slt, tr mica, tr arg lams. APR ] 5 Alaska Oil & Gas Cons. CommisslO[! Anchorage Standard Alaska Petroleum P~3 C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 File : BP-3-1261 Formation: Sadlerochit laboratory: Anchorage Drlg Fld: Bland Analysts: TLS, TDT, RGC Loc: 19-11N-14E (SUR) API #: 50-0291775-00 20-11N-14E (t~IL) Detailed Litholoqical Descriptiop.~ 228 11353.8 Sandstone - yelgy, vf-fgr, pred vfgr, very wsrtd, sbrd-rd w cons, mod cons in areas, mnr patchy cmt, poss sid, spl is 8 ~ ~ of 0-900 qtz, 10-20% slt, tr-l% cbt. 229 11354.8 sandstone- yelgy, vf-fgr, pred fgr, w srtd, sbrd-rd, si fri, mnr patchy cmt, spl is cc~posed of 85-90% qtz, 5-10% slt 5% cht, tr dk frags. 230 11355.9 Sa~Jstone - yelgy, f-mc/r, pred mgr, wsrtd, sbrd-wrd fri, composed of 90% qtz, 5-10% cbt, 3% slt, tr dk frags. 231 11356.5 Sandstone - yelgy, vf-fgr, pred fgr, tr cgr wthrd cht frags, wsrtd, sbrd-rd, fri, cc~posed of 85-90% qtz, 5-10% cht, 5% slt, patchy areas of increased slt. 232 11357.4 Sandstone - yelgy, vf-fgr, tr-l% ogr wthrd cht frags, spl is wsrtd, sbrd-rd, sl fri, cc~posed of 85-90% qtz, 5-10% slt, 5% cht, areas of increased cht. 233 11358.5 Sandstone - ogl, yelgy, f-vogr, pred f-mgr, 5-10% fn-med pbls, 5% grnls, psrtd, sbrd-rd, wcons, cc~ of 60-70% qtz, 30-40% cht, 1-3% dk argillite, vert frac 5-10mm wide, filled with poss sid-ank and sd, striking near parallel to Kmax. 234 11359.7 Sandstone- 60% yelgy, f-ogr, pred mgr, mod-wsrt~, sbrd-rd, wcons-slfri, oc~ of 60-70% qtz, 30-40% cht, 1% dk frags. 40% of spl is bdd para-conglomerate, 60-70% grnls, 5% fn pbls, pbis and grnls are sbang-rd, clast supported, mtx is f- ogr, psrtd, sbang-sbrd, cgl is composed of 50-60% cbt, 40-50% qtz, 5% argillite. Vertical fracture 5-10~n wide filled with sid-ank and sd, striking parallel to Rmax. 236A 11361.0 Conqlomerate- tk3ra ogl, yelgy, wht, 30-40% grnls, 1-2% fn pbls, pred sbrd, mtrx suppo~ and mod cons, mtx is sdy, f- ogr, pred fgr, mod wmrt~, sbang-rd, pbls, grnls and mtx are composed of 50-60% qtz, 40-50% cbt, 5% dk argillite. 20% of spl is bdd vf-mgr, pred fgr, wsrtd, sbrd-rd, wcon ss. Vertical frac 5-10mm filled with poss sid-ank and sd striking parallel to Rmax, bdg made discontinuous due to fault or slump o Standard Alaska Petroleum PBU C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 Formation: Sadlerochit Drlg Fld: Bland Loc: 19-11N-14E (SUR) 20-11N-14E (BHL) File : BP-3-1261 Laboratory: Anchorage Analysts: TLS, TDT, RGC API #: 50-0291775-00 Detailed Lithological Descriptions 236B 11361.9 237 11362,7 Sandstone- yelgy, 5-10% vfgr, slty, sl calc, thnlY bdd ss, 90% f-cgr, pred mc/r, mod srtd, sl fri-fri, bdd ss, 3-5% grnls, spl is composed of 60-70% qtz, 30-40% cbt, tr-2% slt. sandstone Yellgy, vf-vogr, pred f-mgr, 5-15% grnls, psrtd, wsrtd in mnr bdd portion of sPl, sbang-rd, pred sbrd, fri, composed of 50-60% qtz, 40-50% cht, 5% dk argillite, spl is bdd, subhorz open to closed frac striking parallel to Kmax, also vertical frac 5-10 mm wide filled with poss sid-ank and sd, striking parallel to ~ax, bdg discontinuous due to fault or slump. 238 11363.8 Sandstone - yelgy, f-cgr, pred f-mgr, tr grnls, mod wsrtd- wsrtd, sbrd-rd, wcons, 20% of spl is f-vcgr, psrtd, sbang-rd bdd ss containing 10-15% grnls, spl isc~ of 60-70% qtz, 30-40% cht, 3-5% dk argillite, vertical fracture, 5-10 mm wide, filled with poss sid-ank and sd present, striking parallel to Kmax, bdgdiscont/nuous due to fault or slump. 240A 11365.0 Sandstone - ogl, yelgy, f-vogr, pred f-me/r, 15-20% grnls, 1% fn pbls, psrtd, sbrd-rd, wcons, composed of 60-70% qtz, 30- 40% cht, 3-5% dk argillite, spl is thnly bdd. 240B 11365.8 .Conglomerate - para cgl, yelgy, wht, 20-30% grnls, 2-3% fn pbls, pred sbrd-rd, spl is mtx supported a~d slfri, mtx is sdy, vf-mgr, mod wsrtd, sbrd-rd, spl is composed of 50-60% qtz, 40-50% cht, 5%dkargillite. 241 11366.7 ~ - yelgy, f-cc/r, pred f-mc/r, 5-7% grnls, mod wsrtd, sbang-sbrd, slfri, composed of 60-70% qtz, 30-40% cht, 2-3% dk argillite frags, mnr bdd cgl, vertical frac, 5-10m~ wide filled with poss sid-ank and sd present, striking parallel to Kmax, bdg made discontinuous due to fault or slump. 243 11368.2 ~ - yelgy, f-cu3r, pred ms/r, 1% grnls mod wsrtd, sbang-sbrd, wcons, con~osed of 70% qtz, 20-30% cht, 5% slt, 1-2% dk frags, tr bdg. 244 11369.3 Siltstone - olvgy, abnt vfgr sd, mic, grades to vfgr arg ss, spl is very wcons, dnse, 5% rusty brn fe rich mdst lams, tr pyr. 301 11372.8 Sandstone- yelgy, vf-fgr, pred vfgr, wsrtd, sbang-sbrd, very wcons, poss sid cmt, composed of 80% qtz, 15-20% slt, 1-3% cht, tr bag. Standard Alaska Petroleum PBU C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 File : BP-3-1261 Formation: Sadlerochit Laboratory: Anchorage Drlg Fld: Bland Analysts: TLS,TDT,RGC Loc: 19-11N-14E (SUR) API #: 50-0291775-00 20-11N-14E (BHL) Detailed Lithological Descriptions 302 11373.9 Sandstone - yelgy, vf-fgr, pred vfgr, very wsrtd, sbang- ._ sbrd, wcons, ~ cc~posed of 85-90% qtz, 5-10% cht, 5% slt, mnr 303 11374.1 Sandstone - ~ yelgy, vf-fgr, pred vfgr, wSrtd, sbang-sbrd, wcons cc~posed of 85-90% qtz, 5-10% cht, 5% slt 304 11375.8 Sandstone- yelgY, vf-fgr, pred vfgr, wsrtd, sbang-sbrd, mod cons, ommposed of 90% qtz, 5% cht, 5% slt. 305 11376.8 Sandstone- yelgy, vf-fgr, pred fgr, very w~rtd, sbang-~, mod-wcons, cc~posed of 90% qtz, 5-10% slt, 1-3% cht. 306 11377.2 Sandstone- yelgy, vf-fgr, pred fgr, very wsrtd, sbang-sbrd, mod-wcons, cc~0osed of 80-90% qtz, 10% slt, 2-3% cht, tr arg lams. 307 11378.2 Sandstone- yelgy, vf-fgr, pred vfgr, very wsrtd, sbang- sbrd, mod-wcons c~ of 80-90% qtz, 10-15% slt, tr-l% cht. 308 11379.6 Sandstone- yelgy, vf-fgr, pred vfgr, very w srtd, sbrd, mod cons, cc~posed of 90% qtz, 5-7% slt, 1-3% cht. 309 11380.8 Sandstone- yelgy, vf-fgr, pred vfgr, very srtd, sbrd, mod cons, cc~ of 90% qtz, 10% slt, tr cht. 310 11381.2 ~tone- yelgy, vf-fgr, pred fgr, wsrtd, sbrd, mod cons-sl fri, c~ of 85-90% qtz, 5-10% slt, 3-5% cbt, tr bdg made visible by size gradations. 311 11382.1 Sandstone- yelgy, vf-mgr, pred fgr, 1% grnls, wsrtd, sbang- sbrd, sl fri, cc~posed of 80% qtz, 10% cht, 5-10% slt, tr 1% dk frags, tr bdg. 312 11383.3 Sandstone- yelgy, vf-mgr, pred f-mgr, tr grnls mod-w-srtd, sbrd-rd, grades to mnr portion of m-cgr sd, spl is sl fri, cc~ of 80% qtz, 10-20% cht, 2-3% slt, tr dk frags, mnr 313 11384.7 Sandstone- yelgy, vfgr, very wsrtd, sbrd-rd, wcons, oc~posed of 80-90% qtz, 10-20% slt, areas of decreased slt present. Standard Alaska Petroleum PBU C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 Formation: Sadlerochit Drlg Fld: Bland Loc: 19-11N-14E (SUR) 20-11N-14E (BHL) File : BP-3-1261 Laboratory: Anchorage Analysts: TLS,TET,RGC API #: 50-0291775-00 Detailed Litholoqical Descriptions 314 11385.7 315 11386.7 Sandstone - yelgy, f-cgr, pred f-mc/r, 1% grnls, mod wsrtd, sbang-rd fri, composed of 70-80% qtz, 20-30% cht, 2-3% slt, tr dk frags, !mnr bdg, made visible by m-cgr sd with inCreased · Sandstone - yelgy, f-cgr, pred f-mgr, 3-5% grnls mod Wsrtd, sbang-rd, fri, composed of 70% qtz, 30% cht, tr slt, tr dk .frags grnls are pred wthrd trip cht, tr bdg. Sandstone - yelgy, f-ogr, pred f-mgr, 5% grnls p-mod wsrtd, sbrd-rd, fri,~ 60-70% qtz, 30-40% cht, tr slt, 1% dk-frags, grnls are pred wthrd trip cht.~ 317 11388.1 318 11389.8 319 11390.2 320 11391.5 321 11392.6 322 11393.9 Sandstone - yelgy, f-ogr, pred f-mgr, 2% grnls mod wsrtd, sbrd-rd, fri, cc~posed of 70% qtz, 20-30% cht, 2-3% slt, 1-2% dk frags, tr bdg visible by ogr sd and pred wthrd trip cht grnls. Sandstone - yelgy, f-ogr, pred f-mgr, 2% grnls, psrtd, sbang- rd, fri, oc~posed of 60-70% qtz, 30-40% cht, 1-3% slt, 1-2% dk frags, grnls are pred wthrd trip cht. Sandstone - yelgy, f-cgr, pred f-mgr, 5% grnls psrtd, sbrd- rd, fri, cc~ of 60-70% qtz, 30-40% cht, 1-3% slt, 1% dk frags, grnls are pred wthrd trip cht and dk lith frags, poss argillite. Sandstone- yelgy, vf-fgr, pred vfgr, very wsrtd, sbrd-rd, fri, cc~posed of 80-90% qtz, 5-10% cht, 5% slt, tr bdg, visible by f-mgr sd and increase in % ~ht. Sandstone - yelgy, f-re]r, 1% vogr sd, wsrtd, rd-wrd, fri, co~pos~ of 60-70% qtz, 30-40% cht, tr slt, 1% dk frags. Sandstone- yelgy, vf-mgr, pred fgr, 1% grnls, wsrtd, sbrd- rd, fri cc~posed of 70% qtz, 25-30% cht, 1-2% slt, tr-l% dk frags. 323 11394.1 Sandstone - yelgy, vf-fgr, pred fgr, 2% grnls, wsrtd, sbrd- rd, fri, cc~posed of 70-80% qtz, 15-20% cht, 2-5% slt, tr dk frags, grnls are pred wthrd trip cht. 324 11395.4 Sandstone- yelgy, vf-fgr, very wsrtd, sbrd-rd, si fri-fri, composed of 80% qtz, 10-15% sit, 5% cht, 1% dk frags, tr bdg, visible by slight gradations in sd size. Standard Alaska Petroleum PBU C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 Formation: Sadlerochit Drlg Fld: Bland Ix)c: 19-11N-14E (SUR) 20-11N-14E (BHL) File : BP-3-1261 laboratory: Anchorage Analysts: TLS, TDT, R~C API #: 50-0291775-00 Detailed Lithological Descriptions 325 11396.5 326 11397.5 327 11398.5 328 11399.1 329 11400.8 330 11401.2 401 11402.2 402 11409.8 403 11410.3 404 11411.2 Sandstone- yelgy, f-cgr, pred mgr, 2-3% grnls, mod wsrtd, sbrd, fri, composed of 60-70% qtz, 30-40% cht, 1-2% slt, Sandstone -~yelgy, vf-ogr, pred 'fgr, 2% 'grnls, mod wsrtd, sbrd-rd, fri, co~pos~ of 70% qtz, 25-30% cht, 5% slt, 2% dk frags, tr insisting, poss ogr and grnl bdg aligrnuent', Sandstone - Yelgy, vf-ogr, pred f-mgr, 1% grnls, mod wsrtd, sbang-sbrd, fri, cc~posed of 70% qtz, 15-20% cht, 10-15% slt, 1% dk frags, 'tr grd bdg, grades to a pred mgr sd. Sandstone - cgl, yelgy, vf-mg, pred fgr, 1-2% grnls and pbls, mod wsrtd, sbrd-rd, fri, cc~posed of 70-80% qtz, 10-15% cht, 10-15% slt, 1% dk frags. Sandstone - cgl, yelgy, vf-ogr, pred f-mgr, 5% grnls psrtd, sbrd-rd, fri, co~x~d of 60-70% qtz, 20-40% cht, 2-3% slt, 1% dk frags, spl grades to vf-ogr, psrtd ss. Sandstone - ogl, yelgy, f-mgr, pred mgr, 5-7% grnls and pbl, wsrtd, rd-wrd, cc~posed of 60-70% qtz, 20-40% ~ht, 2-3% slt, 1% dk frags, spl grades to vf-ogr, grnl, psrtd ss. Sandstone - yelgy, vf-fgr, pred vfgr, very wsrtd, sbang-rd, sl fri, oc~ of 80-90% qtz, 10-15% slt, 5% cht, areas of increased slt present. Sandstone - yelgy, vf-fgr, pred vfgr, very wsrtd, sbang-rd, sl fri, cc~ of 80-90% qtz, 10-15% slt, 3-5% cht, areas of increased slt present. Conglomerate - para cgl, mgy, wht, 20-30% fn-med pbls, 10-15% grnls, pbls and grnls are sbrd-rd, spl is mtx supported and mod cons, matrix is sdy, f-ogr, psrtd, sbang-sbrd, spl is composed of 50-60% cht, 40-50% qtz, 5-10% dk argillite, no bdg visible. Sandstone - yelgy, vf-mgr, pred fgr, wsrtd, sbrd-rd, fri, cc~posed of 60-70% qtz, 30-40% cht, 2-3% slt, 1% dk frags. Standard Alaska Petroleum PBU C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 File : BP-3-1261 Formation: Sadlerochit Laboratory: Anchorage Drlg Fld: Bland Analysts: TIS,TDT,RGC Loc: 19-11N-14E (SUR) API #: 50-0291775-00 20-11N-14E (B~IL) Detailed Litholoqical Descriptions 405 11412.1 Conglomerate para cgl, lt-mgy, wht, 15-20% fn-med pbls, 10- 15% grnls, pbls and grnls are rd-wrd, spl is mtx supported and mod-well,cons, mtx is sdy, vf-mgr, pred vfgr, mod wsrtd, sbang-sbrd, SPl is 'composed of 50-60% cht, 40% qtz, 5-7% dk argillite, mnr vf-fgr bdd ss present. 406 11413.0 Congl~te-para cgl, lt-mgy, 15-20% fn-med pbls, 5-10% grnls, pbls and grnls are rd-wrd, spl is mtrx supported and sbang-sbrd, spl is cc~posed of 50-60% cht, 40% qtz, 5-7% dk argillite, mnr vf-fgr bdd ss present. 407 11414.7 Sandstone - yelgy, vf-fgr, tr-l% grnls, very wsrtd, sbrd-rd, sl fri, co~ of 70% qtz, 20% cht, 10% slt. 408 11415.0 .Conglomerate 'para cgl, yelgy, 5-10% fn pbls, 10-15% grnls, pbls and grnls are sbrd-rd, spl is matrix supported and mod- wcons, mtrx is sdy, f-vcgr, psrtd, sbrd-rd, spli is of 50-60%qtz, 40-50% cht, 5% dk argillite, tr bdg. 409 11416.2 Sandstone- yelgy, f-ogr, pred mgr, wsrtd, sbrd-wrd, grades to m-vcgr~ psrtd, sbang-sbrd sd, with 5% grnls, spl is fri and is cc~posed of 60-70% qtz, 30-40% cht, 2% dk frags, tr-l% slt. 410 11417.5 Sandstone- yelgy, vf-fgr, pred vfgr, 1% grnls, very wsrtd, sbrd-rd, sl fri, cc~posed of 90% qtz, 5% cht, 5% slt, tr bdg. 411 11418.7 Sar~sto~e- yelgy, vf-fgr, pred vfgr, 1% grnls, very wsrtd, sbrd-rd, sl fri, composed of 90% qtz, 5% cht, 5% slt. 412 11419.1 Sandstone- yelgy, vf-fgr, pred vfgr, 2% grnls, very wsrtd, sbrd-rd, sl fri, composed of 90% qtz, 5% cht, 5% slt. 413 11420.3 ~ne- yelgy, vf-fgr, pred vfgr, very wsrtd, sbrd-rd, sl fri, co~po~d of 90% qtz, 5% cht, 5% slt, 10% bdd grnl cgl present. 414 11421.8 Sandstone- yelgy, vf-fgr, pred vfgr, very wsrtd, sbrd-rd, w cons-sl fri, composed of 90% qtz, 5-7% slt, 3-5% cht. 415 11422.9 Sandstone - yelgy, f-mgr, pred fgr, wsrtd, sbrd-rd, fri, cc~ of 80-90% qtz, 5-10% cht, 5-10% slt. 416 11423.2 ~ne - yelgy, f-mgr, pred fgr, wsrtd, sbrd-rd, fri, cc~poeed of 80-90% qtz, 5-10% cht, 5-10% slt. Standard Alaska Petroleum P~J C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 File : BP-3-1261 Formation: Sadlerochit T~boratory: Anchorage Drlg Fld: Bland Analysts: TLS, TDT, RGC Loc: 19-11N-14E (SUR) API #: 50-0291775-00 20-11N-14E Detailed Litholoqical Descriptiop~ 417 11424.6 Sandstone- ogl, yelgy, wht, f-vcgr, pred m-cgr, 5% fn pbls, 10-15% grnls, psrtd, sbang-rd, slfri, spl is co~posed of '50- 60% qtz, 40-50% cht, 5-7% dk argillite, tr bdg. 418 11425.7 Sandstone - yelgy, vf-cgr, pred f-mgr,-3-5% 'fn pbls,' 5-10% grnls, mod-psrtd, sbrd-rd, slfri, conl0osed of 50-60% qtz, 40- 50% cht, 2-3%~ dk argillite, lg 4-5 cm cly clast present. 419 11426.7 Sandstone - Yelgy-f-mgr, pred mgr, tr grnls, very wsrtd, sbrd-rd, fri composed of 80% qtz 20% cbt, tr slt, areas of patchy cmtd vf-fgr sd. 420 11427.1 Sandstone - yelgy, f-mgr, pred mgr, tr-l% grnls, very wsrtd, sbrd-wrd, fri, oc~ of 60-70% qtz, 30-40% cht, pred trip wthrd cht, 1% dk frags, tr slt, 421 11428.8 Sandstone - yelgy, vf-mgr, pred fgr, 2% grnls, mod srtd, sbrd-rd, fri, composed of 70% qtz, 25-30% cht, tr slt, tr bdg visible by coarser sd and increase in cht. 422 11429.1 Sandstone - yelgy, vf-mgr, pred fgr, 2% fn pbls, mod srtd, sbrd-rd, fri, co~po~d of 70% qtz, 25-30% cht, tr slt, tr bdg visible by coarser sd and increases in cht. 423 11430.9 Sandstone - yelgy, vf-fgr, pred fgr, 1% grnls, very wsrtd, sbang-sbrd, wcons, patchy areas of yel brn cmt present, poss sid, spl is cc~0osed of 80% qtz, 20% slt. 424 11431.3 Sandstone- yelgy, vf-fgr, pred fgr, very wsrtd, sbang-sbrd, wcons, cc~posed of 80-90% qtz, 5-10% cht, 5-10% slt. 425 11432.7 Sandstone - yelgy, f-mgr, pred nm/r, very wsrtd, sbrd-rd, fri, cc~posed of 70-80% qtz, 20-30% cht, tr slt, tr bdg visible by Lncrea~d % chto 426 11433.8 Sandstone - yelgy, f-cgr, pred fgr, very wsrtd, sbrd-rd, fri, composed of 70-80% qtz, 20-30% cht, tr slt, tr bdg visible by 427 11434.8 Sandstone - yelgy, f-cgr, pred mgr, 1% grnls, mod-wsrtd, sbrd-wrd, vfri, oc~posed of 60-70% qtz, 30-40% cht, tr slt, Standard Alaska Petroleum P~J C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 File : BP-3-1261 Formation: Sadlerochit laboratory: Anchorage Drlg Fld: Bland Analysts: TLS,TDT,RGC Loc: 19-11N-14E (SUR) API #: 50-0291775-00 20-11N-14E (EPIL) Detailed Lithological Descriptions 428 11435.3 Sandstone- yelgy, vf-fgr, pred fgr, very wsrtd, sbrd-wrd, fri, 40% of spl is thn intbd, vfgr, very wsrtd, sbrd, wcons ss composed of 80-90% qtz, 10-20% slt, rest of spl is composed of 80-90% qtz, 5-10% cht, 5-10% slt. 429 11436.7 Sandstone- 'yelgy, vf-fgr, pred fgr, very wsrtd, sbrd, fri, cc~posed of 90% qtz, 5% cht, 5% slt. 430 11437.2 Sandstone- yelgy, vf-fgr, pred fgr, very w~rtd, sbrd, fri, cc~posed of 90% qtz, 5% cht, 5% slt. 431 11438.8 ..Conglomerate - para cgl, yelgY, wht, 10-20% fn-med pbls, 10- 15% grnls, pbls and grnls are rd-wrd, spl is mtx supported rd, spl is co~pos~d of 50-60% cht, 40-50% qtz, 5% dk argillite, no bdg visible. 432 11439.8 Sandstone - yelgy, f-mgr, pred fgr, wsrtd, sbrd-rd, fri, cc~ of 70-80% qtz, 20-30% cht, tr slt, tr bdg visible by increase % cht. 433 11440.2 Sandstone- yelgy, f-mc3r, pred ~c3r, wsrtd, sbrd-rd, vfri, cc~ of 70-80% qtz, 20-25% cht, 1-2% dk frags, tr bdg visible by increased % wthrd cht. 434 11441.8' Sandstone - yelgy, f-mc3r, pred mgr, wsrtd, sbrd-rd, vfri, cc~posed of 70-80% qtz, 20-25% cht, 1-2% dk frags. 435 11442.2 Sandstone - yelgy, vf-fgr, pred vfgr, very wsrtd, rd, fri, oomposed of 80% qtz, 15% slt, 3-5% cht. 436 11443.8 Sandstone- yelgy, vfgr, very wsrtd, sbrd-rd, woons, cc~ of 80% qtz, 20% slt. 437 11444.2 Sandstone- yelgy, vf-fgr, pred vfgr, very w srtd, sbrd-rd, wcons, 80% qtz, 20% slt, tr-l% cht. 438 11445.8 Sandstone - yelgy, vf-fgr, pred fgr, 1% grnls, very wsrtd, sbrd-rd, wcons, cc~ of 75-80% qtz, 15-20% cbt, tr mnr visible by aligment of ogr sd and grnls. 439 11446.1 Sandstone - yelgy, vf-fgr, pred fgr, very wsrtd, sbrd, w cons, oo~posed of. 70-80% qtz, 20% slt, 5-10% cht, tr Standard Alaska Petroleum PBU C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 File : BP-3-1261 Formation: Sadlerochit Laboratory: Anchorage Drlg Fld: Bland Analysts: TLS, TDT, RGC Loc: 19-11N-14E (SUR) API #: 50-0291775-00 20-1iN-14E (BHL) Detailed Litholoqical Descriptions 440 11447.4 Sandstone - yelgy, f-cc/r, pred mgr, 2% wthrd cbt grnls, mod wsrtd, psrtd in places, sbrd-rd, vfri, cc~posed of 60-70% qtz, 30-40% cbt, 2% dk frags tr slt. 441 11448.7 Sandstone - yelgy, f-cgr, pred mgr, 2% 'wthrd cht grnls, in places, -rd-wrd, vfri, composed of 60-70% qtz, 30-40%"Cht, 1% dk frags, tr slt, tr pyr. 442 11449.2 Sandstone- yelgy, vf-mgr, pred mgr, wsrtd, rd-wrd, vfri, cc~posed of 60-70% qtz, 30-40% cht, 2-3% dk frags, tr slt. 443 11450.5 Sandstone- yelgy, vf-mgr, pred fgr, wsrtd, sbrd-wrd, vfri, cc~posed of 70% qtz, 30% cht, tr dk frags, tr slt. 444 11451.1 Sandstone - yelgy, f-mgr, pred mgr, 3-5% wthrd cht grnls, psrtd, sbrd-wrd, vfri, cc~posed of 60-70% qtz, 30-40% cht, 1- 2% dk frags, tr slt. 445 11452.8 Sandstone- yelgy, vf-ogr, pred f-~gr, p-mod wsrtd, 60-70% qtz, 30-40% cht, 1-2% dk frags, tr slt, cht is pred wthrd and ~ a vslty mtx in places. 446 11453.1 Sandstone - yelgy, f-mgr, pred mgr, 5-7% cht and qtz grnls, pred mod wsrtd, psrtd in places sbrd-rd, vfri, cc~posed of 60% qtz, 35-40% cht, 1-2% dk frags, tr slt. 447 11454.2 Sandstone- yelgy, vfgr, very wsrtd, rd, sl fri, c~mposed of 80-90% qtz, 10-15% slt, 3-5% cht. 448 11455.8 Sandstone- yelgy, vf-fgr, pred fgr, very wmrtd, sbrd-rd, w cons, wcmtd areas, poss sid, spl is cc~po~ed of 80% qtz, 15% slt, 5% cht. 449 11456.2 Sandstone- yelgy, vf-fgr, pred fgr, very wsrtd, sbrd-rd, w cons, wcmtd areas, poss sid, spl is cc~posed of 80% qtz, 15% slt, 5% cht, sub horz open to closed frac present. 450 11457.5 Sandstone- yelgy, vf-fgr, pred fgr, very wsrtd, rd-wrd, fri, cc~posed of 80-90% qtz, 10-15% cht, 5% slt. 451 11458.2 ~ne- Yelgy, vf-fgr, very w~rtd, sbrd-rd, fri, cc~x~-~ed of 80% qtz, 15-20% cht, 5% slt. 452 1145.9 Sandstone - yelgy, vf-fgr, very wsrtd, sbrd-rd, slfri, cc~posed of 90% qtz, 5-10% cht, 5-10% slt. Standard Alaska Petroleum PBU C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 Formation: Sadlerochit Drlg Fld: Bland Loc: 19-11N-14E (SUR) 20-11N-14E (B~IL) File : BP-3-1261 laboratory: Anchorage Analysts: TLS, T[~, RGC API #: 50-0291775-00 Detailed Litholoqical Descriptions 453 11460.3 455 11462.2 457 11464.4 458 11465.6 501 11468.6 502 11469.6 503 11470.0 504 11471.8 Sandstone- yelgy, vf-fgr, very wsrtd, sbrd-rd, wcons, sl fri in places, poss mnr sid cmt,: spl is co~po~d of 90% qtz, 5- 10% cht, 5-10% slt. Sandstone- yelgy, wht, f-ogr, pred mgr, 1% grnls, psrtd-mod wsrtd, fri, composed of 50-60% qtz, 40-50% cht. Sandstone - yelgy, f-vcgr, pred mgr 5-7% grnls, psrtd, sbang- rd, pred sbrd, vfri, oomposed of 60-70% qtz, 30-40% cht, 1% dk frags. Conglomerate-para cgl, yelgy, wht, 10-15% fn-med pbls, 20- 25% grnls, pbls and grnls are rd-wrd, spl is mtx supported rd, spl is composed of 50-60% cht, 40-50% qtz, 5% dk argillite, no bdg visible. Conglomerate - tk3ra cgl, yelgy, wht, 10-15% fn-med pbls, 20- 25% grnls, pbls and grnls are sbrd-wrd, spl is mtx supported and mod-poorly cons mtx, mtx is sdy, f-cgr, prstd, s~- sbrd, spl is cc~posed of 50-60% qtz, 40-50% cht, 5-7% dk argillite, no bdg visible. Conglomerate - para cgl, It olvgy, wht, 40-50% fn-med pbls, 20-25% grrlls, pbls and grnls are sbrd-wrd, spl is matrix suppo~ and wcons, mtrix is poss sid-ank cmt with mnr f- mgr sd, vug~y appeal-ance, spl is composed of 40-60% cht, 40- 50% qtz, 10% dk argillite, no bdg visible. Conglomerate - ortho cgl, 15-20% fn-med pbls, 60-70% grnls, pbls and grnls are sbrd-wrd, spl is mtx supported and partially clast supported, wcons, mtx is poss sid-ank cmt and f-mgr sd, spl is cc~posed of 60-70% cbt, 30-40% qtz, 5-10% dk argillite, 5% other, no bdg visible. Conglomerate para cgl, 20-30% fn-med pbls, 20-30% grnls, pbls and grnls are sbrd-rd, spl is mtx supported and wcons, mtx is sdy and arg, vf-ogr, mod-psrtd, rusty orange frags, poss mnr sid-ank cmt, spl is ccmposed of 40-60% qtz, 40-60% cht, 10% dk lith frags, lg 2-3 cm cly clast, and slty lams present. APR i 5 1.988 Naska Oi~ & Gas Cons. Commissioll Anchorage Standard Alaska Petroleum PBU C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 File : BP-3-1261 Formation: Sadlerochit Laboratory: Anchorage Drlg Fld: Bland Analysts: TI~,TDT,RGC Loc: 19-11N-14E (SUR) API #: 50-0291775-00 20-11N-14E (BHL) Detailed Lithological Descriptions 505 11472.9 Sandstone- yelgy, vf-fgr, pred fgr, wsrtd, sbang-sbrd, sl fri, composed of 70-80% qtz, 10-15% cht, 10-15% slt. 506 11473.2 Sandstone - yetgy, f-mgr, pred fgr, 1% grnls wsrtd, sbrd'rd, fri, composed of 70-80% qtz, 20-30% cht, intbd, vf-fgr, vslty, wcons .ss present. 507 11474.3 Sandstone -yelgy, f-cgr, f-mgr, 1% grnls, wsrtd, sbrd-rd, fri, cc~ of 70% qtz, 30% Cht, tr slt. 508 11475.1 Sandstone- yelgy, vf-mgr, pred fgr, tr grnls, wsrtd, sbrd- rd, sl fri, mnr patchy areas of dnse cmt, spl is cc~oosed of 70-80% qtz, 10-20% cht, 10% slt. 509 11476.4 Sandstone - yelgy, f-mgr, 5% grnls, psrtd, sbrd-rd, fri, cc~posed of 60-70% qtz, 30-40% cbt, 2-3% dk frags, tr slt. 510 11477.9 Sandstone- yelgy, vf-fgr, pred vfgr, very wsrtd, sbang-sbrd, wcons, cc~posed of 80-90% qtz, 5-10% cht, 5-10% slt, horz. pyr seam approx..9mm wide present through ler~ pf spl. 511 11478.8 Sandstone- yelgy, f-mgr, pred fgr, wsrtd, sbrd-rd, fri, cc~ of 60-70% qtz, 30-40% cht, pred wthrd cht produc~ a slty mtx in spl mtx in spl, 1% dk frags. 512 11479.1 Sandstone- yelgy, vf-fgr, pred fgr, very wsrtd, sbrd-wrd, sl fri, poss mnr sid cmt, spl is composed of 75-80% qtz, 5-10% cht, 10% slt. 513 11480.8 Sandstone- yelgy, vf-fgr, pred fgr, very wsrtd, rd-wrd, fri, cc~posed of 90% qtz, 5% cht, 3-5% slt. 514 11481.2 Sandstone- yelgy, vf-fgr, pred fgr, very wsrtd, rd-wrd, fri, c~ of 85-90% qtz, 5-10% cht, 3-5% slt. 515 11482.8 Sandstone- yelgy, vf-fgr, pred vfgr, very wsrtd, sbrd-rd, sl fri, oc~x~d of 70-80% qtz, 20-30% slt, 5-7% arg lams present 516 11483.2 Sandstone- yelgy, vf-fgr, pred fgr, very wsrtd, sbrd, 5% vfgr sdy lam present spl is wcons, poss sid cmt, spl is cc~posed of 80% qtz, 20% slt and cmt. 517 11484.7 Sandstone - yelgy, 5-10% mgy arg lams, ss is vfgr, very wsrtd, sbrd-rd, woons, c~ of 70-80% qtz, 20-30% slt. Standard Alaska Petroleum P~U C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 File : BP-3-1261 Formation: Sadlerochit Laboratory: Anchorage Drlg Fld: Bland Analysts: TLS, TDT, RGC Loc: 19-11N-14E (SUR) API #: 50-0291775-00 20-11N-14E Detailed Litholoqical Descriptions 518 11485.4 Sandstone - yelgy, 5% mgy, atg lams, ss is vf-fgr, pred fgr, very wsrtd, sbrd-wrd, wcons, co~po~d of 80% qtz, 20% slt. 519 11486.8 Sandstone --yetgy,~ f-mgr, pred'mcjr, wsrtd,' sbrd-rd' '-sl fri, patchy cmtd sd, poss sid cmt, spl is cc~posed of 70%' qtz, 10 15% cht, 10-15% mtx and cmt. 520 11487.2 Sandstone- yelgy, fgr, very wsrtd, sbrd-wrd, fri, co~pos~ of 85-90% qtz, 5-10% cbt, 5% sit, mnr patchy cmt, poss sid. 521 11488.1 Sandstone - yelgy, fgr, very wsrtd, rd-wrd fri, cc~posed of 90% qtz 5-7% cht, tr-3% slt. 522 11489.8 Sandstone- yelgy, fgr, very wsrtd, rd-wrd, fri, composed of 90% qtz 5% cht, 5% slt. 523 11490.1 Sandstone - yelgy, fgr, very wsrtd, rd-wrd, fri, cc~posed of 90-95% qtz, 5-7% cht, tr-l% slt, 1% dk redbrn mineral. 524 11491.3 Sandstone- lt-olvgy, vfgr, extra wsrted, sbrd, wcons, patc~hy ltbrn cmt, poss sid, spl is co~po~m~ of 70-80% qtz, 20-30% slt, tr mica, abnt arg lams. 525 11492.8 Sandstone- yelgy, vfgr, very wsrtd, sbrd-rd, wcons, composed of 80-90% qtz, 10-20% slt. 526 11493.2 Sandstone- yelgy, vfgr, very wsrtd, sbrd-rd, wcons, oo~posed of 80-90% qtz, 10-20% slt. 527 11494.8 Sandstone - yelgy, vfgr, very wsrtd, sbrd-rd, wcons, composed of 80-90% qtz, 10-20% slt. 528 11495.2 Sandstone- yelgy, vfgr, very wsrtd, sbrd-rd, woons, of 80-90% qtz, 10-20% slt, tr mica, tr arg lams. 529 11496.6 Sandstone - yelgy, vf-fgr, pred fgr, tr-l% fn pbls very wsrtd, sbrd, wcons, co~posed of 80% qtz, 15-20% slt, 3-5% cht. 530 11497.8 Sandstone- yelgy, vf-mgr, pred fgr, 5-10% grnls, p srtd, mod wsrtd in places, sbang- sbrd, slfri, ccmposed of 70-80% qtz, 20-30% cht, 2-3% dk argillite, horz cly and slty lams present. Standard Alaska Petroleum P~J C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 Formation: Sadlerochit Drlg Fld: Bland Loc: 19-11N-14E (SUR) 20-11N-14E (~4L) File : BP-3-1261 Laboratory: Anchorage Analysts: TLS,TDT,RGC API #: 50-0291775-00 Detailed LitholOqical Descriptions 531 11498.2 532 11499.5 533 11500.8 534 11501.1 535 11502.8 536 11503.2 537 11504.2 538 11505.4 539 11506.8 540 11507.2 Sandstone - Sandstone - yelgy, it olvgy, 30-40% bdd vfgr, very wsrtd, sbrd-rd, wcons ss with mnr dk arg lams, 60-70% bdd ogl ss, f-cgr, pred mgr, 10-15% grnls, 1% fn pbls, p srtd, mod w srtd in places, slfri, composed of 60-70% qtz, 30-40% cht, 2-3% dk argillite, spl is bdd. ' .... Conglomerate - para ogl, yelgy, wht, 50-60% grnls, 10% fn-med pbls, pbls and grnls are sbrd-wrd, spl is mtrx supported and wcons, mtx is f-vogr, psrtd, sbang-rd, spl is composed of 50- 60% cht, 40-50% qtz, 5-7% argillite, spl is bdd. sbrd, wcons, 'cc~ of 70-80% qtz, 20-25% slt, 3-5% cbt, tr indistinct lams. Conglomerate - para cgl, yelgy, wht, 40-50% grnls, 10% fn-med pbls, grnls and pbls are sbrd-wrd, spl is mtx supported and wcons, mtx is sdy, vf-fgr, wsrtd, sbrd-rd, poss mnr sid-ank cmt, smple is cc~ of 50-60% cbt, 30-50% qtz, 5-10% argillite, 30% of sample is bdd vf-fgr, wsrtd, sbrd-rd ss, vertical frac, 3-7mm wide, filled with gy ovish cly material, poss sid, strikes near parallel to Kmax. Sandstone- yelgy, vf-fgr, pred vfgr, very wsrtd, rd-wrd, w cons-sl fri, cc~posed of 80-90% qtz, 10-15% slt, 5% cht. Sandstone - yelgy, vf-fgr, pred fgr, very wsrtd, rd-wrd, fri, co~ of 80-85% qtz, 10-15% cht, 5% slt, horz open to closed frac present. Sandstone- yelgy, vf-fgr, pred fgr, very wsrtd, rd-wrd, fri, oo~posed of 80-85% qtz, 10-15% cbt, 5% patchy ~t, poss sid, tr slt. Sandstone- yelgy, vf-fgr, pred fgr, very wsrtd, rd-wrd, fri, composed of 80-85% qtz, 10-15% cbt, 5% patchy cmt, poss sid, tr slt. Sandstone- yelgy, vf-fgr, pred fgr, very wsrtd, rd-wrd, fri, co~posed of 80-85% qtz, 10-15% cht, 5% patchy cmt, poss sid, tr slt. Sandstone- yelgy, vf-fgr, pred fgr, very wsrtd, rd-wrd, fri, composed of 80-85% qtz, 10-15% cbt, 5% patchy cmt, poss sid, tr slt. Standard Alaska Petroleum PBU C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 File : BP-3-1261 Formation: Sadleroc2uit laboratory: Anchorage Drlg Fld: Bland Analysts: TIS, TDT, RGC Loc: 19-11N-14E (SUR) API #: 50-0291775-00 20-11N-14E (BHL) Detailed Litholoqical Descriptions 541 11508.8 Sandstone- yelgy, vf-fgr, pred fgr, very wsrtd, sbrd-wrd, fri, composed of 80-85% qtz, 10-15% cbt, 5% slt, 5-10% of spl is thickly lam vfgr sd. 542 11509.2 Sandstone- yelgy' vf-fgr, Pred fgr, wsrtd, sbrd-rd, fri, co~posed of 85-90% qtz, 5-10% .cht, 5% slt. ' 543 11510.8 Sandstone- yelgy, fgr, very wsrtd, sbrd-wrd, fri, co~ of 80-90% qtz, 5-10% cht, 5-10% slt, mnr patchy cmt, poss sid. 544 11511.1 Sandstone- yelgy, fgr, very'wsrt~, sbrd-wrd, fri, composed of 80-90% qtz, 5-10% cht, 5-10% slt, mnr patchy cmt, poss sid. ~ 545 11512.7 Sandstone - yelgy, fgr, extr-very wsrtd, rd-wrd, fri, composed of 70-80% qtz, 20-30% cbt, pred wthrd cht, forming a slty mtx in some areas. 546 11513.8 Sandstone - yelgy, fgr, extr-very wsrtd, rd-wrd, fri, cc~posed of 70-80% qtz, 20-30% cht, pred wthrd cht, forming a slty mtx in some areas. 547 11514.8 Sandstone - yelgy, fgr, extr-very wsrtd, rd-wrd, fri, cc~posed of 80% qtz, 10-15% cht, 5% slt, tr pyr. 548 11515.2 Sandstone - yelgy, fgr, extr-very wsrtd, rd-wrd, fri, co~posed of 80% qtz, 10-15% cht, 5% slt, tr pyr. 549 11516.6 Sandstone- yelgy, vf-fgr, pred fgr, very wsrtd, rd-wrd, fri, cc~posed of 90% qtz, 5% cht, 5% slt. 550 11517.8 Sandstone- yelgy, vf-fgr, very wsrtd, rd-wrd, fri, composed of 90% qtz, 5% cht, 5% slt, mnr thk lam of f-mgr sd. 551 11518.3 Sandstone- yelgy, vf-mgr, pred fgr, wsrtd, sbrd-wrd, fri, composed of 80% qtz, 10-15% cht, 5% slt, tr bdg visible by mgr sd and increased % cht. 556 11523.6 Sandstone - yelgy, f-mgr, pred fgr, wsrtd, sbrd sl fri, cc~posed of 70-80% qtz, 15-20% cht, 5% slt. 601 11528.4 Sandstone- yelgy, vf-fgr, wsrtd, sbrd-rd, sl fri, spl grades to vfgr, very wsrtd ss, spl is co~oc~ed of 80% qtz, 10-20% slt, 5% cht, mnr arg lams, mnr cmt, poss sid. Standard Alaska Petroleum P~U C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 Formation: Sadlerochit Drlg Fld: Bland Loc: 19-11N-14E (SUR) 20-11N-14E File : BP-3-1261 Lat~ratory: Anchorage Analysts: TLS, TDT, RGC API #: 50-0291775-00 Detailed Lithological Descriptions 602 11529.8 603 11530.2 Sandstone - yelgy, vf-fgr, pred fgr, wsrtd, rd-wrd, rd-wrd, sl fri, poss mnr sid cmt, spl is composed of 80% qtz, 10% cht, 10% stt~ Sandstone -.yelgy, fgr, very wsrtd, rd-wrd, fri, areas of dnse cmt, poss sid, spl is composed of 75-80% qtz, 10-15% cht, 5% slt. 604 11531.1 605 11532.9 Sandstone - yelgy, fgr, very wsrtd, rd-wrd, fri, possmnr sid cmt, splis cc~ of 80-90% qtz, 5-10% cbt, 5-10% sit.P Sandstone - yelgy, 5% mltgy slty, mic lams, ss is vf-fgr, wsrtd, sbrd-rd, wcons, grades to mgr sd, spl is cc~pos~ of 80-85% qtz, 10-20% slt, 3-5% cht, bd parallel break. 606 11533.2 Sandstone - yelgy, vfgr, very wsrtd, sbrd-rd, wcons, poss sid cmt, spl is composed of 70% qtz, 30% slt, tr arg lams. 607 11534.1 Sandstone- it olvgy, 20-30% mgy, sdy, mic, sltst intlams, ss is vfgr, very wsrtd, sbrd-rd, wcons, co~po~d of 70-80% qtz, 20-30% slt. 608 11535.8 609 11536.2 610 11537.8 611 11538.2 Sandstone - yelgy, vf-fgr, pred fgr, wsrtd, rd-wrd, fri, mnr areas of wcons, sd, poss sid cmt, spl is cc~ of 70-80% qtz, 10-15% slt, 10-15% cbt. Sandstone- yelgy, vf-fgr, pred fgr, very wsrtd, rd-wrd, fri, areas of wcons sd, poss sid cmtd, spl is cc~posed of 75-80% qtz, 10-15% cht, 10% slt, and cmt. Sandstone - yelgy, vf-fgr, pred fgr, very wsrtd, rd-wrd, fri, poss sid spl is cc~ of 80% qtz, 10% cht, 10% slt. Sandston~ - yelgy, f-mgr, pred fgr, 2% fn pbls and grnls, sl fri, mnr poss sid cmt, spl is composed of 80-90% qtz, 10-15% cht, 5% slt. 612 11539.8 Sandstone - yelgy, vfgr, very wsrtd, rd-wrd, wcons, coupled of 80% qtz, 20% slt, trarg lam. 613 11540.2 80% qtz, 20% slt and cmt. Standard Alaska Petroleum PBU C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 Formation: Sadlerochit Drlg Fld: Bland Loc: 19-11N-14E (SUR) 20-11N-14E (5~{L) File : BP-3-1261 Laboratory: Anchorage Analysts: TLS, Till, RGC API #: 50-0291775-00 Detailed Lithological Descriptions 614 11541.1 615 11542.3 616 11543.6 617 11544.8 618 11545.2 619 11546.7 620 11547.8 621 11548.3 622 11549.8 623 11550.2 624 11551.8 625 1152.5 Sandstone - yelgy, vf-fgr, pred fgr, very wsrtd, rd-wrd, sl fri, 30% of spl is dnse cmtd fgr ss, poss sid cmtd, composed of 60-70% qtz and 30-40% cmt, fgr portion of spl is composed of~90% qtz, 5% cbt, 5% slt. Sandstone- yel~j, vf-fgr, fgr, very wsrtd, rd-wrd, fri, mnr areas of patchy cmt, poss sid cmt, spl is cc~posed of 85-90% qtz, 5-10% slt, 5% cht, 1% f-mxl pyr. Sandstone- yelgy, vf-fgr, pred fgr, very wsrtd, rd-wrd, fri, Foss mnr sid cmt, spl is co~ of 85-90% qtz, 5-10% slt, 5% cht. Sandstone -yelgy, vf-fgr, very wsrtd, sbrd-rd, sl fri, poss sid cmfc, spl is cc~oosed .of 85-90% qtz, 5-10% slt, 5% cht. Sandstone - yelgy, vf-fgr, wsrtd, sbrd-rd, sl fri, poss mnr sid cmt, spl is cc~pc~d of 80% qtz, 15-20% slt, 2-3% cht. Sandstone - yelgy, vf-fgr, pred fgr, wsrtd, sbrd-rd, sl fri, abntpatchey cmtd sd, poss sid cmt, spl is co~x~d of 75-80% qtz, 15-20% sltandcmt, 5% cht. Sandstone- yelgy, vf-fgr, pred fgr, wsrtd, rd-wrd sl fri, abnt patchey cmtd sd, poss sid cmt, spl is composed of 75-80% qtz, 15-20% slt and cmt, 5% cbt. Sandstone- yelgy, vf-fgr, pred fgr, wsrtd, sbrd-rd, sl fri, mnr patnhey cmt, poss sid cmt, spl is cc~posed of 80% qtz, 15-20% slt and cmt, 2-3% cht. Sandstone- yelgy, vf-mgr, pred f-mgr, mod wsrt~, sbrd-wrd, fri, oc~pcsed of 70-75% qtz, 20% slt, 5-10% cbt, tr bdg visibly by mgr bdd sd, mnr arg lam. Sandstone- yelgy, vf-fgr, pred fgr, wsrtd, sbrd-rd, sl fri, c~ of 75-80% qtz, 20-25% slt, 1-3% cbt. Sandstone- yelgy, vf-fgr, pred vfgr, very wsrtd, sbrd-wrd sl fri, cc~ of 80-85% qtz, 15-20% slt, tr cbt. Sandstone- yelgy, vf-fgr, pred vfgr, very wsrtd, sbrd-wrd, sl fri, cc~ of 80-85% qtz, 15-20% slt, tr cht. Standard Alaska Petroleum PBU C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 File : BP-3-1261 Formation: Sadlerochit Laboratory: Anchorage Drlg Fld: Bland Analysts: TLS,TI~,RGC Loc: 19-11N-14E (SUR) API #: 50-0291775-00 20-11N-14E (5~IL) Detailed Lithological Descriptions 626 1153.8 Sandstone- yelgy, vf-fgr, pred vfgr, very wsrtd, sbrd-wrd, sl fri, cc~posed of 80-85% qtz, 15-20% slt, tr cht, poss mnr sid cmt. 627 11554.3 Sandstone- yelgy, vf-fgr, pred vfgr, 'very WSrtd, sbrd-wrd, sl fri, cc~posed of 80-85% qtz, 15-20% slt, tr cht, poss mnr sid cmt. 628 11555.8 Sandstone - yelgy, vf-fgr, pred vfgr, very wsrtd, sbrd-wrd, sl fri, composed of 80-85% qtz, 15-20% slt, tr cht, poss mnr sid cmt. 629 11556.2 Sandstone- yelgy, vf-fgr, pred vfgr, very wsrt~, sbrd-wrd, sl fri, o~ of 80-85% qtz, 15-20% slt, tr cbt, poss mnr sid cmt. 630 11557.8 Sandstone- yelgy, vf-fgr, pred fgr, wsrtd, sbrd-rd, fri, mnr patchy wcmtd sd, spl is composed of 80% qtz, 5-10% cht, 10- 15% slt and cmt. 631 11558.2 Sandstone - yelgy, f-mgr, pred fgr, wsrtd, sbrd-rd, fri, compos~ of 75-80% qtz, 15-20% cbt, 5% slt, tr carb frags. 632 11559.8 Sandstone- yelgy, f-mgr, pred fgr, wsrtd, sbrd-wrd, fri, composed of 75-80% qtz, 15-20% cbt, 5% slt, tr carb frags. 633 11560.8 Sandstone -yelgy, f-mgr, pred fgr, wsrtd, sbrd-wrd, fri, c~mposed of 75-80% qtz, 15-20% cht, 5% slt, tr carb frags. 634 11561.2 Sandstone - yelgy, f-mgr, pred fgr, wsrtd, sbrd-wrd, fri, co~posed of 80-85% qtz, 10-15% cht, 5% slt, tr carb frags. 635 11562.7 Sandstone- yelgy, vf-fgr, pred fgr, wsrtd, sbrd-rd, fri, cc~posed of 80-90% qtz, 5-10% cht, 5-10% slt, tr carb frags. 636 11563.2 Sandstone- yelgy, vf-mgr, pred fgr, wsrtd, sbrd-rd, fri, composed of 70-80% qtz, 15-20% slt, 5-10% cht, tr carb frags, 1% mud chips. 637 11564.1 Sandstone - yelgy, f-mgr, pred fgr, wsrtd, rd-wrd, fri, composed of 85-90% qtz, 5-10% slt, 5% cbt, tr carb frags. 638 11565.3 Sandstone - yelgy, fgr, very wsrtd, sbrd-rd, fri, co~posed of 85-90% qtz, 5-10% slt, 5% cht, 1% carb frags. Standard Alaska Petroleum P~J C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 File : BP-3-1261 Formation: Sadlerochit laboratory: Anchorage Drlg Fld: Bland Analysts: TLS, TDT, RGC Loc: 19-11N-14E (SUR) API #: 50-0291775-00 20-11N-14E Detailed Litholoqical Descriptions 639 11566.5 Sandstone- yelgy, vf-fgr, very wsrtd, rd-wrd, fri, cc~posed of 85-90% qtz, 5-10% slt, 5% cht, tr carb frags. 640 11567.8 Sandstone- yelgy, vf-fgr, pred fgr, very wsrtd, rd-wrd, fri, composed of 85-90% qtz, 5-10% slt, 5% cht, tr carb frags. 641 11568.2 Sandstone - yelgy, vf-fgr, pred vfgr, very wsrtd, rd-wrd, fri, c~ of 80% qtz, 15-20% slt, 2-3% cht, 1% carb frags, 1% pyr blebs, horz slt filled frac present. 642 11569.8 Sandstone- yelgy, vf-fgr, pred fgr, wsrtd, rd-wrd, fri, co~ of 85-90% qtz, 5-10% slt, 5% cht, tr carb frag, tr mud chipo 643 11570.2 Sandstone - yelgy, vf-fgr, pred vfgr, very wsrtd, rd-wrd, fri, oc~posed of 80-85% qtz, 10-15% slt, 2-3% cht, tr carb frags, tr pyr. 644 11571.2 Sandstone- yelgy, vf-fgr, pred vfgr, very wmrtd, sbrd-rd, sl fri, 5% carb lams, spl is co~po~d of 80-90% qtz, 10-20% slt, 2-3% cht, bd parallel break. 645 11572.8 Sandstone - it, olvgy, 5-7% mgy bdd mdst, ss is vfgr, very wsrtd, sbrd-rd, wcons composed of 70-80% qtz, 20-30% slt, t- 2% carb frags. 646 11573.2 Mudstone - dku3y, vslty, mic, woons, 1-2% carb frags, horz open frac present. 647 11574.8 Sandstone- it olvgy, vfgr, very wsrtd, sbrd-wrd, wcons-sl fri, c~osed of 80-90% qtz, 10-20% slt, tr cht, tr carb frags. 648 11575.2 Sar~stone- it olvgy, vfgr, very wsrtd, sbrd-wrd, wcons-sl fri, cc~0osed of 80-90% qtz, 10-20% slt, 1-2% cbt, 1% carb frags. 649 11576.8 Sandstone- it olvgy, vfgr, very wsrtd, sbrd-wrd, wcons-sl fri, composed of 80-90% qtz, 10-20% slt, 1-2% cht, 1% carb frags. 650 11577.7 Sa~dstor~- it olvgy, vfgr, very wsrtd, sbrd-wrd, woons-sl fri, composed of 80-90% qtz, 10-20% slt, 1-2% cht, 1% carb frags. Standard Alaska Petroleum P~J C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 File : BP-3-1261 Formation: Sadlerochit Laboratory: Anchorage Drlg Fld: Bland Analysts: TLS, TDT, RGC Loc: 19-11N-14E (SUR) API #: 50-0291775-00 20-11N-14E (BHL) Detailed Litholoqical Descriptions 651 11578.4 Sandstone - it olvgy, vf-fgr, pred vfgr, very wsrtd, rd-wrd, sl fri, co~ of 70-80% qtz, 20-30% slt, 1-2% cht, tr carb frags, tr arg lam. 652 11579.8 Sandstone - it olvgy, vfgr, very wsrtd, rd-wrd, wcons, cc~ of 70-80% qtz, 20-30% slt, tr carb frags. 653 11580.2 Sandstone - It olvgy, vfgr, very wsrtd, rd-wrd, wcons, composed of 80% qtz, 20% slt, tr carb frags, tr mica, mnr carb lam. 654 11581.7 S~ne - it olvgy, vfgr, very wsrtd, rd-wrd, wcons, composed of 80% qtz, 20% slt, 1% carb frags. 655 11582.7 Sandstone- it olvgy, vf-fgr, pred vfgr, very wsrtd, wcons-sl fri, co~posed of 80-90% qtz, 10-20% slt, tr carb frags. 656 11583.3 Sandstone - it olvgy, vf-fgr,, pred vfgr, very wsrtd, rd-wrd, wcons-sl fri, oo~ of 80-90% qtz, 10-20% slt, tr carb frags. 657 11584.6 Sandstone - It olvgy, vf-fgr, pred vfgr, very wsrtd, rd-wrd, wcons-sl fri, cc~posed of 80-90% qtz, 10-20% slt, tr carb frags. 658 11585.8 Sandstone - it olvgy, vfgr, very wsrtd, rd-wrd, wcons, cc~ of 70-80% qtz, 20-30% slt, tr carb frags, tr carb lam. 659 11586.1 ~ne - it olvgy, vfgr, very wsrtd, rd-wrd, wcons, oomposed of 70-80% qtz, 20-30% slt, tr carb frags. 660 11587.4 Sandstone - it olvgy, 5-10% carb lams, ss is vfgr, very wsrtd, sbrd-wrd, wcons, co~posed of 80% qtz, 20% slt. 701 11588.8 Sandstone- it olvgy, vfgr, very wsrt~, rd-wrd, wcons-sl fri, co~x~e~ of 80% qtz, 20% slt, tr carb frags. 702 11589.3 Sandstone - it olvgy, vf-fgr, pred vfgr, very wsrtd, sbrd- wrd, cc~posed of 80% qtz, 20% slt, tr carb frags. 703 11590.1 Sandstone - it olvgy, vf-fgr, pred vfgr, very wsrtd, sbrd- wrd, cc~posed of 80% qtz, 20% slt, mnr mdy lam. Standard Alaska Petroleum P~U C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 File : BP-3-1261 Formation: Sadlerochit laboratory: Anchorage Drlg Fld: Bland Analysts: TLS,TDT,RGC Loc: 19-11N-14E (SUR) API #: 50-0291775-00 20-11N-14E (t~IL) Detailed Litholoqical Descriptions 704 11591.8 Sandstone- it olvgy, vf-fgr, pred vfgr, very wsrtd, sbrd- wrd, sl fri, con~os~d of 80% ~qtz, 20% slt, tr-l% cht, tr carb frags. ~ 705 11592.8 Sandstone -~ it olvgy, vf-fgr, pred vfgr, very wsrtd, Sbrd- wrd, sl fri, wcons, cc~posed of 70-80% qtz, 20-30% slt, tr-l% cht, tr carb frags, mnr carb lam. 706 11593.2 Sandstone- it olvgy, vfgr, very wsrtd, rd-wrd, wcons-sl fri, cc~ of 70-80% qtz, 20-30% slt, 1-2% carb frags, 1-2% cht. 707 11594.3 Sandstone - it olvgy, vf-fgr, pred vfgr, very wsrtd, sbrd- wrd, wcons-sl fri, cc~posed of 75-80% qtz, 15-20% slt, 3-5% cht. 708 11595.1 Sandstone - It olvgy, vf-fgr, pred vfgr, very wsrtd, sbrd- wrd, wcons-sl fri, cc~posed of 75-80% qtz, 15-20% slt, 3-5% cht, mnr carb lam. 709 11596.7 Sandstone - it olvgy, vf-fgr, pred vfgr, very wsrtd, sbrd- wrd, wcons-sl fri, composed of 75-80% qtz, 15-20% slt, 3-5% cht, mnr carb lam. 710 11597.5 Sandstone - it olvgy, vfgr, very wsrtd, sbrd-wrd, wcons, oo~ of 70-80% qtz, 20-30% slt, tr cht. 711 11598.1 Mudstone - __md___kgy, slty, abnt vfgr sd, woons, mod hd, tr-l% 712 11599.8 Sandstone - it olvgy, vfgr, very wsrtd, sbrd-wrd, wcons, con~ of 70-80% qtz, 20-30% slt, mnr carb lam. 713 11600.4 Sandstone - it olvgy, vfgr, very wsrtd, sbrd-wrd, wcons, composed of 70-80% qtz, 20-30% slt, tr carb lam. 714 11601.2 Sandstone - it olvgy, vfgr, very wsrt~, sbrd-wrd, wcons, con~ of 70% qtz, 30% slt, tr carb frags. 715 11602.8 Sandstone - it olvgy, vfgr, extr wsrtd, rd-wrd, wcons, con~ of 70-80% qtz, 20-30% slt, 1-2% carb frags. 716 11603.2 Sandstone- it olvgy, vfgr, extr wsrtd, rd-wrd, w~ons, composed of 70-80% qtz, 20-30% slt, 2% carb frags, tr mica. Standard Alaska Petroleum PBU C-31 Prudhoe Bay Field North Slope, Alaska Date: 07-April-88 File : BP-3-1261 Formation: Sadlerochit Laboratory: Anchorage Drlg Fld: Bland Analysts: TLS, TDT, RC~ Loc: 19-11N-14E (SUR) API #: 50-0291775-00 20-11N-14E (BHL) Detailed Litholoqical Descriptions 717 11604.4 Sandstone - It olvgy, vfgr, extr wsrtd, rd-wrd, wcons, cc~posed of 70-80% qtz, 20-30% slt, 5% carb frags, carb lams. 718 11605.2 Sandstone - it olvgy, vfgr, extr wsrtd, rd-wrd, wcons, ccm~osed of 70-80% qtz, 20-30% slt, 5% carb frags, carb lams. 719 11606.6 Sandstone - . it olvgy, vfgr,~ very wsrtd, sbrd-rd, wcons, c~ of 70% qtz, 30% slt, tr carb frags and lams. 720 11607.5 Sandstone - it olvgy, vfgr, very wsrtd, sbrd-rd, wcons, cc~posed of 70-80% qtz, 20-30% slt, 2% carb frags, tr-l% 721 11608.7 Siltstone - olvgy, pred sdy, wcons, 3-5% mica and carb frags. 722 11609.5 Siltstone - olvgy, pred sdy, arg, wcons, 3-5% mica and carb frags, horz open frac present. 723 11610.2 Sandstone - it olvgy, vfgr, very wsrtd, sbrd-rd, wcons, cc~posed of 70% qtz, 30% slt, tr carb frags and mica, mnr carb lams. 88-I~ad¥-£0 ~s~I¥ 'adoIS q~aON PIa~ XP~ aoqpnaa I~-D ~ Xu~d~oo uo!$onpoa~ ~Ms~I~ p~pu~s S~DIGN~ O NOI~D~S 0 ' 8gCII 0 ' 9~CII ( '0I g xo8 0'9gCII 0'ggCII ('6 0' EgCII 0'8ICII ( '8 ~ xo~ 0' 8ICII 0' ~ICII ( ' £ 0' ~ICII 0'0I~II ( '9 ~ xo~ 0'0I~II 0'90~II ('~ 0'90~II 0'E0~II ( '9 E xo~ 0 ' E0~II 0' 86EII ( · ~ 0' 86EII 0'~6EII ( 'E I xo~ 0 ' 96EII 0 ' 06EII ( 'I s~maH gsdaG mo~$o~ g~daG doA 'oN 6~ m~ £~:g - uo!$~asaad puH m~ 9~:I - pags ad!d u! Iaa~ a~oooa~o~ u! sd~eIo ~ sd~o/m ssei6~aq!~ - uo!~A~aSaa~ adA~ 0'8~ 0'8E~II 0'06EII 0 '9£ 0 '9ECII 0'06gII ('~.~) I~O~ ~o~o~ ~ (sg~dap paans~am) (sgsdap saaII!ap) I # aaoo ~s~I¥ 'adoIS g$~ON :a$~$S 'X~unoD I~-O# R~ :IIaM · oD 'poa~ ~s~I¥ pa~pu~$s :Xu~dmoD · HO~HH HHOD HAIS~HM Core No. Box No. 1 Top Depth Bottom Depth Remarks 11.) 12.) 13.) i4.) i5.) 16.) 17.) is.) 19.) 20.) 21.) 22.) 23.) 24.) 25.) 26.) 27.) 28.) 29.) 30.) 31.) 32.) Bottom of core catcher 11328.0 APR I 5 I988 Alaska Oil & Gas Cons. CommisSl~ 0'~9~II 0'6gCII ('0I g xo~ 0'6ggII 0'~gCII ('6 0'§§CII 0'IggII ('8 9 xo~ 0'I~CII 0'£9~II ('£ 0'£~CII 0'C~II ('9 ~ xo~ 0'CggII §'6CCII ('~ §'6CCII g'£CCII ('9 g xo~ ~'£CgII 0'~II ('~ 0'~II 0'0~II ('g I xo~ 0'0CCII 0'9gCII ('I s~a~ma~ qsdaG ~o$$o~ q~daG do~ 'oN 6~ ~d g~:8 - uoiswAaasa~d puM ~d ~g:£ - pags adid u7 Ia~aw8 a~oooa~o~ u! sd~Io ~ sd~o/~ s~au!I ss~I6~aq7~ - uoI~A~asa~ £'~ £'0LCII 0'9ggII 0'9~ 0'g4CII 0'9ggII ('~) I~oA ~o~o~ ~ (sgsdap pa~ns~am) aaoo paAaIa$aM (sg~dap saaII!ap) I~AaaSUI 6uI~oo Z ~ aaoo IGA :su~IoIugoaA 88/9/E -' ~.'~'C[ ~s~I¥ 'adoIS qSaoN :a$~S 'Xsunoo · oD 'poad ~Ms~I¥ p~pu~$s :Xu~d~oo 9 xo~ £ 'O£CII §'69~II 0 '£9CII 0'£9~II O'C9CII g~daG do~ ( 'gg (-z~ ('0~ ('6E (-~z (-Az ('9Z (-~ (.~ (.~ (-~ (-~ ('o~ (-~: (-s~: ( ·/_.~: ('9I ( -~ (.~ (-~ (-~ (.~ g 'oN aaoo £'68~II 8'6£~II 0'8£CII 6'~£CII O'~LCII £'68c~ ('o~ ~'~8~ ('6 9'~8~z ('8 ~'~8~ (-~ o'~8~z ('9 ~'6~z (-~ o'8£~ (-~ 6'~zz (-~ o-~z~ (-~ o'~z~ (-~ g~daa mo~o~ q~daa do~ 'oN xo~ uI~ 00 ' II - c3 'I£ 0 '9E ('~a) IWaSaaOO'I!O~ 0'80~II O'EL£II 90:6 - pags (sqsdap pa~nsPam) (sg~dap saaII!ap) I~AaaSUI 6u!~oo MPqS~.AI : UO!$~U~O,~ IGA :su~!o!ugoam P~s~I¥ 'adoIS g$~oN :aSP$S 'Xsunoo · oD 'poa~ ~sPI¥ pa~pu~$s :Kurd[oD gSdaa ~o$$o~ c3 'IO~II §'£6gli C'§6CII g'C6CII 8'I6~II Msd~a 'oN xo~ C ' oN e.~o;D .{ qSd~G moggo~ q~d~G do~ 'oN xo~ uoIg~Aaasaad puH m~ 0~:I - pags adid uT Iaaa~S aaoo I~aSalOO~I!o~d~ u~S~Xa~ - uo!~A~aSa~ adA~ 0'Sg 0'999II 0'809II 0'09 0'899II 0'809II (sgsdap peans~am) (sg~dap saaiiTap) MPqS!AI : uoT~ao~ :SU~TOTUgOa~ ~Ms~I~ 'odoIS g~aoN :o$~gS 'Asunoo · oD 'poad ~Ms~I¥ pa~pu~$s :Au~d~oo · HO~H HHOD H~IS~HM 0'99~II ~'~9~II £'g9~II ~'09~II C'8~II C'9~II £'0~II C'9~II £'~II L'6g~II C'LC~II L'gg~II qsdoa mo$$o~ qsd~a do~ ( ('ag ('0~ ('6E (-az ( ·/_.~: ('9E (-~t (.~ ('t~ (.~ ( --[~: (-o~ (.~ (-~ (-6~ (-~ (-g~ (-~ (.~ (-~ (-~ · ON xo~ · oN ~aoD ~'~8~zz ~'~8~ (-6 ~-6~z~ 0'8~zz ('9 ~'9~z~ ~-~~ (.~ 8'Z£~ZZ 6'69~II ('g 6'69~II 0'89~II ('I s~awmeH qSdaG mo$$o~ qSdaa doA 'ON xoM ~O0:g uoTswAIasald pu~ md0g:II - pags adid u7 Iaa~w~ aaoo I~aSaaOD'IIO~dwamu~a~S'Xaa~- uoI~AaaSaa~ adA& 0 '9§ (sg~dap paans~am) a~oo paAaIl$a~ 0'09 0'Sg~II 0'89~II ('~) IW~O& ~o~o~ o~ (sqsdap saaIIIap) IWAlaSUI ~uIloo MWUSTAI : uoTsw~lo~ w~s~I¥ 'adoIS g$~oN :a~w$S 'Xsunoo · oD 'poa~ ~s~I¥ pa~pu~$s :Xu~d~oo ~s~q $~ ~uoz ~Iqqn~ ~ ~aoD pu~ O'EEgII 9'6I~II /-' £I~II £'80~II O'gO~II 8'669II 8'£69II 0 'I6~II I'689II O'gg~II 9'6I~II £'£I~II g'gIgII 9'CI~II C'II~II t'80~II L'90~II 0'90§II O'gOgII 8'669II. 8't6~II £'~6~II ~'~69II O'I6~II I'68~II C'£8~II ( ( '~Z (-oc (-6z (-sz ('z.~ ('9~ (-~z ('cz (-zz ('o~ (-~: (-e~: ( ·/_.~ ('9-[ (-~ (-~ (-~z (-zz (-zz · oN xo~ · oN a~OD ~'OSS]~ 6'09§II C'g~§II ('6 ~'~s~ (-~ 6'0~SII ('£ ~'8~§II ('9 C'9C~II ('g z'0~zz (-z 0'sz~zz (-z s~awmaE gsdaG mo~o~ gsdaG doA 'oN xos uoT$~A~asaad pu~ md 9E:I - pags adTd uT Iaaa~ a~oo I~aSa~OO'ITo~d~u~S 'xa~ - uo!~A~aSaa~ adX~ 9'6§ ~'£SgII 0'8EGII (sg~dap paans~am) aaoo paaaT~$a~ 0'09 0'88§II 0'8EGII ('~) I~oA ~o~o~ ~ (sq~dap s~aIIT~P) 9 ~ oloo g~qslaI : UOT$~mao~ ~s~I¥ 'adoIS gSaoN :a~S 'Xsunoo 'oD I~-O~ ~ :IIaM · poa~ ~s~I~ pa~pu~$s :Au~dmoo 9 ~Ioo pul 8'98~II 9'ES~II 9'8£~II 6'I£~II £'69§II £'£9~II ~'C9§II £'6§~II £'g§~II 8'98~II O'GS~II 9'gS~II ~'08GII 9'8£~II £'9£~II O'~£~II 6'I£~II £'69~II £'£9~II ~'~9§II ~'C9~II ~'I9§II £'6~II g'L~II L'E~§II I'O§~II ggdaa doA ('Z~ ('o~: ('6E (.~z ('LZ ('9E (-~z (-~z ('~z (...[~ ('o~ ('6I (.sz (-A~ ('9I (-~z (-~ (-~z (-zz (-zz · oN xo~ 'oN aaoo WELLSITE CORE REPORT Company: Standard Alaska Prod. Co. Well: PBU #C-31 County, State: North Slope, Alaska Date: Technicians: Formation : 2/11/88 TDT Ivishak Core # 7 Coring Interval (drillers depths) Top Bottom 11588.0 11610.0 Total (Ft.) 22.0 Retrieved Core (measured depths) 11588.0 11610.3 22.3 Type Preservation - Barex,Saranwrap,Foil,CoreSeal Core Barrel in pipe shed - 1:10 pm End preservation - 4:17 pm Box No. Top Depth Bottom Depth Remarks 1.) 10.) 11588.0 11590.3 11590.3 11592.7 11592.7 11595.0 11595.0 11597.4 11597.4 11598.9 11598.9 11601.3 11601.3 11603.3 11603.3 11605.5 11605.5 11607.4 11607.4 11609.7 11588.7-589.0 anaerobic 11600.0-600.3 anaerobic L a~oo pu~t g'OI9II L'609II g~daG do~ , ('o~ ('6E ('Az ('9E ('~z ('~z ("oz ( ·/_.~: ('9I (-~z (-~ (-~z (-zz (-zz · oN xo~ · oN aaoo 0'8ECII 0'ggCII ( '0I § xo~ 0'9ggII 0'gggII ('6 0'~g£II 0'SICII ('8 ~ xo8 0 ' 8ICII 0 ' ~ICII ( ' L 0 ' ~ICII 0 ' OIgII ( '9 C xo~ O'OIgII 0'90gII ('~ 0'90gII O' gOgII ( '~ g xo~ 0'g0CII 0'86gII ('g 0' 86EII 0' ~6gII ( 'g I xo~ 0'~6gII 0'06gII ('I sMa~oM qSdoG mo$$o~ q~doG doA 'ON 0'8£ 0'8ggII 0'06gII 0 '9£ ('g,~) I~$O~ 0 ' 9 g£II 0 ' 06gII ~o~o~ ~ (sg~dap paans~au~) (sqsdap saaii!ap) t ~ IGA :su~!o!uqoaA eMSelY 'adoIS gSaoN :a~e$S 'Xsunoo 'oD Ig-O# ~S~ :IIaM · poa~ ~Ms~I¥ pa~pu~$s :Au~dmoo Company: Piece No. Core Core Core 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 Wellsite Sample Inventory Standard Alaska Prod. Co. Depth #1 - Not Preserved in CoreSeal #2 - Not Preserved in CoreSeal #3 11372.0 - 11372.7 11372.7 - 11373.0 11373.0 - 11373.6 11373.6 - 11374.0 11374.0 - 11374.2 11374.2 - 11375.7 11375.7 - 11375.9 11375.9 - 11376.8 11376.8 - 11377.0 11377.0 - 11377.3 11377.3 - 11377.5 11377.5 - 11378.0 11378.0 - 11378.3 11378.3 - 11379.5 11379.5 - 11379.6 11379.6 - 11379.8 11379.8 - 11380.8 11380.8 - 11381.3 11381.3 - 11381.8 11381.8 - 11382.0 11382.0 - 11382.3 11382.3 - 11383.1 11383.1 - 11383.4 11383.4 - 11384.6 11384.6 - 11384.9 11384.9 - 11385.6 11385.6 - 11385.8 11385.8 - 11386.3 11386.3 - 11386.7 11386.7 - 11387.5 11387.5 - 11387.7 11387.7 - 11388.0 11388.0 - 11388.3 11388.3 - 11389.7 11389.7 - 11390.4 11390.4 - 11390.7 11390.7 - 11391.4 Well: PBU #C-31 Code CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL CL RE. CEIYED APR 1 5 1988 Alaska Oil & Gas Cons. CommissiON Anchorage %D %D %D oIqqna ~O ~O OD~ apoo :IIaM - 9 ' ~I - I' ~I~II - ~' ~I~II - 0' ~I~II - ~' EI~II - 0' EI~II - ~'II~II - 0'II,II - § ' 0I~II - E' 0I~II - £' 60~II - ~' 80~II - E' 80~II - 0 ' 80~II C0~II g0~II I0~II I0~II 00~II 66CII 66CII 86gII 86CII £6~II £6~II L6CII 96~II 96CII G6CII ~6CII ~6CII ~6CII C6CII C6CII C6CII g6~II E6CII E6CII I6CII - 9'g0~II - ~'I0~II - ~ ' I0~II - A' 00~II - ~'66~II - 0'66CII - £'86~II - ~'86~II - 8'£6~II - ~'£6~II - ~'£6~II - 9'96CII - ~'96~II - 8'~6CII - g'g6gII - 8'96EII - E'~6~II - 8'E6~II - g'E6~II - E'~6gII - 8'E6~II - 9'E6~II - E'E6~II - 8'I6EII - ~'I6gII gSdaG · oD -poag w~swI~ pawpuw$s XIosuaAuI ~Idmws ~$TsIIaM II 0I 6 £ 9 I E9 I9 09 6§ 8S 9G 0~ 6~ 8~ 9~ 0~ 6C 8g 'oN aoeT~ :Xu~dmoo Company: Wellsite Sampie Inventory Standard Alaska Prod. Co. Well: PBU #C-31 Piece No. 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 50 51 52 53 54 55 56 57 11414.9 11415.3 11416.2 11416.5 11416.8 11417.3 11417.7 11418.7 11419.3 11419.7 11420.2 11420.5 11421.0 11421.6 11421.8 11422.7 11423.3 11423.9 11424.6 11424.9 11425.7 11426.0 11426.3 11426.7 11427.2 11428.7 11429.0 11429.2 11429.5 11429.7 11430.3 11430.8 11431.3 11432.5 11432.7 11433.0 11433.7 11434.0 11434.7 11435.0 11435.2 11435.5 Depth m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m 11415.3 11416.2 11416.5 11416.8 11417.3 11417.7 11418.7 11419.3 11419.7 11420.2 11420.5 11421.0 11421.6 11421.8 11422.7 11423.3 11423.9 11424.6 11424.9 11425.7 11426.0 11426.3 11426.7 11427.2 11428.7 11429.0 11429.2 11429.5 11429.7 11430.3 11430.8 11431.3 11432.5 11432.7 11433.0 11433.7 11434.0 11434.7 11435.0 11435.2 11435.5 11436.2 Code CL CL CL CL CL CL CL CL CL CL CL CL rubble CL CL CL CL CL ~D ~D ~D OD~t-'4 ~D ~D ~D ~D olqqn~ ~poo · oD -poaff w~swI~ pawpuw$s 66 86 £6 96 g6 96 ~6 E6 I6 06 68 88 /.8 98 ~8 ~8 I8 08 6L 8L £t 9L ~t ~t EL IL Ot 69 89 L9 99 g9 99 ~9 E9 I9 09 6g 8~ · oN o~o~ :Xu~d~oo ~O ~IO ~IO ~IO ~IO ~IO ~IO ~IO ~IO o~. qo~[~u~f ~IO ~IO ~Iqqna ~IO ~IO olqqna olqqna apoo I£-O# fl~d :IIaM 8'gS~II - L'g8~II £'gS~II - g'g8~II I'ES~II - £'E8~II £'ES~II - E'IS~II ~'I8~II - £'08~II £'08~II - E'6£~II E'6£~II - 0'6£~II 0'6L~II - £'8£~II £'8£~II - 0'8£~II 0'SL~II - £'L£~II £'L£~II - ~'9£~II ~'9£~II - E'9£~II E'9£~II - E'~£~II E'~£~II - O'~£~II O'~£~II - £'~£~II L'~L~II - ~'~L~II ~'~L~II - I'~L~II I'~L~II - L'EL~II L'EL~II - E'[L~II E'CL~II - L'EL~II L'EL~II - O'EL~II O'EL~II 8'IL~II 8'IL~II - ~'IL~II ~'IL~II - 8'OL~II 8'OL~II - E'OL~II E'OL~II - 6'69~II 6'69~II - ~'69~II §'69~II - 0'69~II 0'69~II - 9'89~II 9'89~II - 0'89~II gsdaG · oo 'poad ~seI¥ paepu~$s Og 6E 9E Og 6I 8I LI 9I II OI 6 t 9 I LOI 90I gOI l~OI ~OI gOI IOI OOI :Xuwdmoo apoo :Ila~ 9'~0~II - g'~OglI g'§O§II - I'§O§II I'gOglI - C'~OgII g'~O§II - O'~OGII O'~O~II - £'COgII £'£0~II - g'CO~II C'CO~II - £'gOgII £'gO~II - O'gO§II O'gO~II - C'IOGII g'IOgII - £'O0§II £'O0~II - 8'669II 8'669II - §'669II ~'669II - 9'869II 9'869II - ~'869II 9'869II - I'869II I'86~II - 8'£6~II 8'£6~II - g'£6~II g'£6~II - £'96~II £'96~II - C'96~II g'96~II - g'§6~II C'~6~II - £'~6~II £'~6~II - I'~6~II I'~6~II - C'C6~II C'C6~II - £'g6~II £'g6~II - 9'I6~II 9'I6~II - ~'I6~II ~'I6~II - O'I6~II O'I6~II - 9'06~II 9'06~II - g'06~II C'06~II - £'68~II £'68~II - I'68~II I'68~II - ~'88~II ~'88~II - 0'88~II 0'88~II - G'£8~II G'£8~II - g'£8~II C'£8~II - £'98~II £'98~II - 8'GS~II 8'G8~II - G'§8~II ~'~8~II - g'~8~II g'~8~II - 6'~8~II 6'~8~II - 9'~8~II 9'~8~II - 8'C8~II g~daG · oD 'po~d ~Ms~I~ p~pu~s IA 0£ 69 89 L9 99 ~9 ~9 C9 E9 I9 09 6~ 9~ O~ 6~ 9~ O~ 6C 9C · ON ~oa!d :Au~dmoo Company: Piece No. 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 Core # 6 Wellsite Sample Inventory Standard Alaska Prod. Co. Deptl~ 11505.6 - 11506.4 - 11506.7 - 11507.3 - 11508.0 - 11508.7 - 11509.3 - 11510.1 - 11510.7 - 11511.3 - 11512.6 - 11512.9 - 11513.4 - 11513.6 - 11513.9 - 11514.7 - 11515.3 - 11515.5 - 11516.5 - 11516.8 - 11517.7 - 11518.3 - 11519.2 - 11519.6 - 11520.7 - 11522.0 - 11522.7 - 11523.2 - 11523.5 - 11523.7 - 11506.4 11506.7 11507.3 11508.0 11508.7 11509.3 11510.1 11510.7 11511.3 11512.6 11512.9 11513.4 11513.6 11513.9 11514.7 11515.3 11515.5 11516.5 11516.8 11517.7 11518.3 11519.2 11519.6 11520.7 11522.0 11522.7 11523.2 11523.5 11523.7 11524.0 11528.0 - 11528.2 - 11528.5 - 11529.7 - 11530.3 - 11531.0 - 11531.3 - 11531.6 - 11532.5 - 11528 11528 11529 11530 11531 11531 11531 11532 11532 .2 .5 .7 .3 .0 .3 .6 .5 .8 Well: PBU #C-31 Code SAPC CL CL CL CL ARCO CL CL CL CL CL rubble CL CL CL SAPC Anaerobic Company: Piece No. 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 Wellsite Sample Inventory Standard Alaska Prod. Co. Depth 11532.8 11533.3 11534.0 11534.3 11535.5 11535.7 11536.0 11536.3 11537.7 11538.1 11538.4 11539.7 11540.3 11540.9 11541.3 11542.0 11542.3 11543.2 11543.5 11543.8 11544.0 11544.7 11545.3 11545.9 11546.5 11546.8 11547.7 11548.4 11549.7 11550.1 11550.4 11550.8 11551.7 11552.1 11552.4 11552.7 11553.7 11554.4 11555.7 11556.3 11557.2 11557.7 m m m m m m m m m m m m m m m m m m m m m m m m m m m m m 11533.3 11534.0 11534.3 11535.5 11535.7 11536.0 11536.3 11537.7 11538.1 11538.4 11539.7 11540.3 11540.9 11541.3 11542.0 11542.3 11543.2 11543.5 11543.8 11544.0 11544.7 11545.3 11545.9 11546.5 11546.8 11547.7 11548.4 11549.7 11550.1 11550.4 11550.8 11551.7 11552.1 11552.4 11552.7 11553.7 11554.4 11555.7 11556.3 11557.2 11557.7 11558.3 Well: PBU #C-31 Code CL CL CL CL CL CL CL CL CL CL ARCO CL CL CL CL CL CL SAPC Anaerobic CL CL CL CL RECEIVED APR 1 5 1988 Alaska Oil & Gas Cons. ComlillSl~ Anchorage Company: Piece No. 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 Wellsite Sample Inventory Standard Alaska Prod. Co. 11558.3 11559.7 11560.0 11560.7 11561.4 11562.5 11562.8 11563.2 11563.4 11564.0 11564.2 11565.2 11566.4 11566.7 11567.5 11567.7 11568.0 11568.3 11568.9 11569.4 11569.7 11570.4 11571.0 11571.4 11571.9 11572.3 11572.7 11573.4 11573.7 11574.0 11574.2 11574.6 11574.7 11575.3 11575.6 11576.7 11577.0 11577.6 11577.9 11578.3 Depth - 11559.7 - 11560.0 - 11560.7 - 11561.4 - 11562.5 - 11562.8 - 11563.2 - 11563.4 - 11564.0 - 11564.2 - 11565.2 - 11566.4 - 11566.7 - 11567.5 - 11567.7 - 11568.0 - 11568.3 - 11568.9 - 11569.4 - 11569.7 - 11570.4 - 11571.0 - 11571.4 - 11571.9 - 11572.3 - 11572.7 - 11573.4 - 11573.7 - 11574.0 - 11574.2 - 11574.6 - 11574.7 - 11575.3 - 11575.6 - 11576.7 - 11577.0 - 11577.6 - 11577.9 - 11578.3 - 11578.6 Well: Code CL CL CL CL CL CL CL CL CL CL CL CL CL SAPC CL CL CL PBU #C-31 92 93 11578.6 - 11579.1 11579.1 - 11579.4 Company: Piece No. 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 Core # 7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Wellsite Sample Inventory Standard Alaska Prod. Co. Depth 11579.4 - 11579.7 11579.7 - 11580.3 11580.3 - 11580.4 11580.4 - 11581.6 11581.6 - 11581.9 11581.9 - 11582.6 11582.6 - 11582.9 11582.9 - 11583.2 11583.2 - 11583.5 11583.5 - 11584.5 11584.5 - 11585.0 11585.0 - 11585.2 11585.2 - 11585.6 11585.6 - 11585.8 11585.8 - 11586.3 11586.3 - 11586.8 11586.8 - 11587.2 11587.2 - 11587.4 11588.0 - 11588.2 11588.2 - 11588.4 11588.4 - 11588.7 11588.7 - 11589.0 11589.0 - 11589.2 11589.2 - 11589.5 11589.5 - 11590.0 11590.0 - 11590.3 11590.3 - 11590.9 11590.9 - 11591.7 11591.7 - 11592.0 11592.0 - 11592.7 11592.7 - 11593.3 11593.3 - 11593.6 11593.6 - 11594.0 11594.0 - 11594.4 Well: Code CL CL CL CL CL CL CL SAPC CL CL CL CL PBU #C-31 10 II apoo :IIaM g'OI9II I'OI9II 8'609II £'60911 ~'609II 6'809II 9'809II £'L09II ~'£09II 8'909II ~'909II 6'~09II £'~09II §'~09II I'~09II §'~09II g'~09II 6'C09II C'C09II 9'g09II ~'g09II C'I09II O'I09II A'O09II C'O09II O'O09II £'66~II 6'86~II £'86~II ~'86§II 0'86~II £'£6~II ~'£6~II 0'£6~II - I'OI9II - 8'609II - £'609II - ~'609II - 6'809II - 9'809II - L'£09II - ~'L09II - 8'909II - ~'909II - 6'~09II - L'~09II - ~'~09II - I'§09II - §'~09II - g'~09II - 6'C09II - C'C09II - 9'g09II - ~'g09II - C'I09II - O'I09II - £'009II - C'O09II - O'O09II - L'66§II - 6'86~II - £'86~II - C'86~II - 0'86~II - L'A6~II - ~'£6~II - 0'£6~II - 9'96~II g~daG A~osuaAuI aIdmws a$IsIIaM 9'96§II - C'~6~II g'~6~II - O'~6~II O'§6~II - ~'~6~II O~ 6~ 9~ O~ 6C 9C Og 6E 9E Og · ON aoa~ :Au~dmoo 6I 8I ti ~J ~J ~J ~J ~J ~J ~J ~J ~J ~J ~J ~J ~J ~J ~J ~J ~J ~J ~J ~i ~J ~J ~J ~J ~J ~J ~J ~J ~J ~J ~1 ~J ~J ~J ~J ~J ~J r.,] 1,,,} r-,] r-,] I~] rx] r,..] Ix] r,.] Ix] b.:i Ix] ix] Ix] b.} I~] ~} L:,I L~J r,.] Ix} g] [J'l .i::. r.;,j g,i L:,l Ix.} I~] Ix} .... ~} Oa CJI -.,] -..-] 0'] U'I 0'} r..] r,.} gl .gl L)l r,.} I-.,] -, r,,) C~ C: ~: CZ · ~1 ~1 --1 C~ "fl · C} C} · C} rtl r' C: · , ~, C]., ~1 ], I ~ ~ ~} I C~ C} --t Pl · U) ~10t ~ ~1 C3 C} rtl i~.] r,.,] r,.] b.] h..) F',) r,.] I~] ~] ~) I',.] p..] F-.] I',) r.,] rx] I-..) p..] h..] b,] l',.l hO r,..] hd 1~] I'~] I~] 0'1 .1~. U1 U1 U] U'I U1 U1 U1 0'1 gl gl U1 fJ'l U] 4~. 4~- o} 0'1 0'1 ,u. 4~. 0'] u] 4~. 0'1 gl gl U1 gl U1 U1 gl gl gl gl gl gl gl gl 01 U1 gl gl U1 U1 Ol U1 gl gl U] gl gl gl gl ~1 gl 01 01 01 gl U1 gl gl gl gl gl gl C] CZ Z CZ · -{ CZ U1 '~1 · C~ Pl rtl --~: C' --'1 r1'1 r-- C'. · , ], C] .' Pl 3' I ~ 0 ~] I U] · (...) C~ rtl 0 2: 11370 24.97 25.62 570.7E ii4.0 iig.7 i2i.4 25.2 i55 R iGS R i85 R i55 R 28i .7 288.4 i90.2 CORE ~3 EASTMRN CHRiSTENSEN CORE ORiENTRTiON ~L~UMI bU~L ~ COHFANY: STANDARD ALASKA PROD. COM. LEASE: C PAD WELL; O-Si riLbu; PRUDHOE BAY RiG: NABORS ~IL: ~--~-~d DECLiNATiON; REF. CORRECTION: i39 DEG RIGHT TillER iNTERUAL: 60 SECONDS iNSTRUHENT SPCNG,iY.2 FEET iNTERVAL START: iNTER~AL END: ii408 H.D. FORHATiON; SADLEROCHiT TYPE: SURUEY SURVEY TRUE EHS LUG TRUE LUG DEPTH iNCL. DiRECTiON REF. ii373 ii374 ii375 ii376 iiS7? ii378 ii379 i'380 i'38i i 382 i 383 i'384 i'385 i'386 i'387 i'388 ~'389 i '390 i '39i i '392 i 393 i 394 i 395 i '397 i '398 i'~99 i'488 i'40i i'482 i 483 11404 ii40S ii40G ii407 ii408 27 i8 24 45 24 92 25.62 24.5? 25.3~ 25.i9 24,85 /.3. 25.44 25,40 25.45 25.40 25.50 25.38 24.83 25.26 25.64 25.ii 24.'33 24.86 25.03 25.35 25.23 25.23 28.i5 /-O 27.i3 2?.iS b/u.o: iS3.S ~o ~. ur_. i 54.2 =o~. u~- i63.9 ST6.gE 227.i ~ou.aL 263.0 ~//. ¢~- 287.2 S64.9E 293.9 ~o ¢. ¢= 93. i ~r~.~n 42.2 S'¢g.z~ 272.~ S69.9E iSi .8 S7i .gE SGS.?E z¢~.~ S68,SE z~o,u Sou,ob 279.4 ~o~,u~ 281.2 ~o~,eb 284.4 S6?.SE ~o¢.u ~ou. ¢: 29i.i ~oo. uc 288.4 ~ou.o~ 29?,4 ocr.cc 299.i S64.3E 383.i ~oo.~ 38i.9 ~ou.~= 388.8 S68.lE 385.4 oou.ec 385.9 oou. ¢c 28i.8 ~uu.oc 264,5 ~¢e.~b 284.9 39 R 39 R 39 R 39 R '39 R '3'3 R '39 R '39 R 39 R '39 R 39 R 39 R 39 R '39 R '39 R '39 R '39 R '39 R '39 R 39 R 39 R i3'3 R i3~ R i39 R i39 R i3'-3 R i39 R i39 R 292 .S G.i 42.8 67.S 66.2 72.8 232. i i34. i iSi .2 5i .3 82.9 328.8 342.6 ii.2 35.8 58.4 GS.4 88.9 70. i 87.4 78.4 78.i 88.4 82,i 88.9 7B.0 82.8 84.4 84,9 68.8 43.5 G3.9 CORE EASTMfiN CHRiSTENSEN CORE ORIENTATION REPORT CORE COMP6NY; STfiND8RD ALASKA PROD. COM. LEASE: C P~D WELL: C-3i FIELD: PRUDHOE 8~Y OPERSTOR:WfiLT CORAM RiG: N~8ORS iSE DATE: 2-88-88 SURVEY SURVEY TRUE EMS DEFTH iNCL. ui,cbm,u~ REF. DECLiNfiTiON: 30.8 DEC EAST REF. CORRECTION: i38 DEC LEFT TIMER iNiERV~L: 38 SECOND iNSTRUMENT SRCNG.17.2 FEET iNTERV6L START: ii408 M.D. iNTERVAL END: 11468 H.D. FORMATION: S~DLEROCHiT TYRE: LUG TRUE LUG CORRE~.uz~c~zu~ m~ ~]40~ 26,70 $72,9F 277,9 130 L 114]0 24,54 S82.8E 295.4 130 L )14)1 25,02 S67,2E 328,) 130 L 11412 28.72 S73.3E 1.4 130 L 11413 26.98 S77.6E 19.0 130 L 11414 26.03 S?I,IE 31.8 130 L 11415 24.75 S65.0E 44.4 130 L 11418 25.07 S65.9E 47.5 130 L 11417 24.82 S68.8E 65.2 130 L 11418 25.29 S68.8E 70.1 130 L 11419 24,64 567.3E 77.5 130 L 11420 25,04 S66.8E 88.3 130 L 11421 25.41 S69'9E 82.7 130 L 11422 24.45 566.4E 93.2 130 L 11423 2~94 S67.3E 98.7 130 L 11424 26.40 S74.5E 96.4 130 L 11425 27.29 S80.?E 101.7 130 L 11428 25,27 S67.2E 129.2 130 L 11427 25.24 S66.6E 143.0 130 L 11428 24.54 S60.2E 171.4 130 L 11429 24.57 S62.6E 178.3 130 L 11430 24.60 S60.2E 189.6 130 L 11431 25.46 S67.6E 190.0 130 L 11432 26.40 S70.9E 197.3 130 L 11433 26.62 S74.5E 236,0 130 L 11434, 24.95 S65.6E 302.2 130 L 11435 25.6~ S70.8E 24.9 130 L 11436 25.G8 S72.5E 46.9 130 L 11437 24.61 SGS.SE 96.6 130 L 11438 25.19 S69.8E 58.6 130 L 11439 24.57 S66.5E 196,4 130 L 11440 23.72 S62.3E 288.7 130 L 11441 25.26 566.7E 246.6 130 L 11442 25.30 S67.4E 273.4 130 L 11443 26.08 STI.?E 275.2 130 L 11444 26.63 S74.1E 279.2 130 L 11445' 26.44 '574 4E 285.1 130 L 11446 25.68 S67.8E 303.8 130 L 11447 24.82 S62.9E 328.3 130 L 11448 24.84 S62.9E 328.3 130 L 11449 25.49 S69.4E IO.I 130 L 166.4 231 ,4 249,0 261.8 274,4 277.5 295.2 300.1 307.5 310.3 312.7 323.2 328.7 ...... 326.4 331.7 369.2 13.0 41.4 48.3 59~6 60 0 67.3 106.0 172.2 264.9 276.9 326.6 288.6 66.4 78.7 116.6 143.4 145.2 149.2 lSS. l 173.8 198.3 198.3 ~4o.1 11450 11451 11452 11453 11454 11455 11456 11457 11458 11459 11460 11461 11462 I!463 11464 ll4GS ll4GG 11467 I1468 25.4? 24.B8 25.45 26.25 24.?2 25.39 25.11 24.68 26.47 24.21 25.22 25.03 25.72 24.93 25.22 23.49 25.49 25.06 25.02 SG8.8E SGO.8E SGg.4E S73.GE SG4.1E STI.IE SG4.gE S64.0E S73.2E 560.4E SGG.?E .SG4.TE 570.3E $69.9E S68.4E S72.0E S66.3E S64.7E 84 2 115.? 158.0 169.4 166.1 180.G 194.7 215.9 252.3 2sS.s 28-I. 9 293.7 302. g 309.4 345.0 349.5 356.8 267.6 130 L 130 L 130 L 130 L 130 L 130 L 130 L 130 L 130 L 130 L 130 L 130 L 130 L 130 L 130 L 130 L 130 L 130 L 130 L 314.2 345.7 26.6 28.0 39.4 36.1 50.6 64.7 85.9 122.3 135.9 151,9 . 163.7 172.9 179.4 215.0 219.5 226.8 137.6 ',] t"'O {"..] I~] t~} h,.] b,) r-.] F.,) I-.,] I~} ~] r-.] l~,] I-,-j I'%] F'..] l-x] r-..] i'-x] I",..) ~] h~] I"',] I",] 1-,] ~] f',,] i',.) r',,] I'~] r,,) {'.,.) I',,} l~] b,] I~} r.,] F.,.] h,] {',.] _c.~ 1~ I~] 0') ti, J"..) U] {~} I~.1 (.[] .fJ] (J'l ~J'l CJI ..J::- U'I (J'l ~f) '-J::. J'".] --.] "~'] I~, Ul 0[] ".] .J2. I~ .J:::. (..[] J"..} J",] (J'..J 0'] ~] J'".} (J'l "%] J~) ,.] g} -~) ~ --.] o') O) Er] ~, 0'] O] Cf') -.,.] 0'] O] 0') .-~] O) O) O} O) I~) --.~] O} --.] O} -~] w -,.) 0'} -,.] ~] 0'] .-,] -~] O] O} :+ -~] --.) .~] -' C(] I',.) :,i, ~) Li) --.) Li] :,1, O) CI) --.] tx) O) .4::, C~] r.,] O) I'.,1 U] O) O] 4::- O) ~} ~] fJ'] ~, U] --.] --- ~, II) I~, .~, -,.] r,.) :,(, U] {",] ~, ,,...~-J ~. · :,l, ........ ~l, ...... ~ · · T1 Pl rtl ~ FTI FT1 rml tm1 · I~1 I~1 rtl rtl FT1 rtl FT1 Pl rtl I~1 r~l rtl FT1 rtl rQ rtl FT1 I~1 m Pl FT1 Pl rtl Pl Pl Ftl rtl Pl m rml rtl rtl '-,1 I~] r-,) I'~1 r,,) r',] bj r.,l -, r..J r.,) h,] I-,.) r-,] r,.l l)J I~1 h,l r',.] r',.) r.,) ...... i~..] -,] --.] o) o') o') uJ -' c~; ~) cx) o'~ u1 4::, .;:,. ~j c~) -F- 4~, r',] [~:, ~ ~] -.,.] -.,1 -,' ~} ti{ o] o) ~s r. il C[} .--] i'.,.] UI .{:::- oo o] U'I · . . . . . · · . . . . · . . ·- . =- . . . . . ,, . . ,,,,, j .- .- - . · . . -' r' r' r'r-r- r- r-r-r-r- r-r'r-r- r- r~r-r'r- r-r-r'r-r-r'r'r'r'r-r'r'r'r- r' r-r-r'r-r'r- C] CZ IT1 ~] -{ r;1 IT1 "fl · C) r' C' nl I-' E] ~] 0 -{'1 E: I-' 3:' ~-t "I:] ~.l iT1 --{ 0'; rtl rtl r- fl'l ., ~] r' f-' -, 2I) C}., rrl I '~ ~ ;::{:} I Co C} rtl C{} -{, r'rl _~: -~, C] 0 ,, ~] 0 · C} · --'1 -I'1 )'-.~ I-~ "(: 0 2' ~' 2' '-~ rtl rtl "',J ~] -t -.I rTl -~: rtl rtl --~ rtl · r- C~ I-' r-' ITl · , rtl El ~) u] (: -t -. -, · C} C) rtl i5 2 'i5 S '5'7 '52i 'SZ4 'S2S sgG 'S27 25. S4 24.~2 25.40 25.82 25.S2 28.84 26.58 24,7B 24.8i 25.22 28.4i 28.48 585. i E S8`3. i E SSi .SE S85. i E S75. i E 287.2 2gi ,4 3ii.8 34B.0 i3.,S 82.2 87,4 '30.2 i03.3 i25.2 i35.2 iS0.2 i57.5 i80.8 i83.5 iB7.0 i`30 i30 i30 i30 i30 i30 i30 i30 i.30 130 i30 i.30 i,30 i30 i30 i30 L L L L L L L L L -- L L L L L i57.2 i8i .4 i72.g i8i .8 2i9.0 24`3.5 27i .8 282.2 287.4 320.2 33,3.3 355.2 S.2 20,2 27.5 58.8 53.5 G7.0 ]1 U1 f. J1 U'I U'I U1 U1 U'I rJ'l U'I Lrl U1 U'I U'I U'I U1 Ll'l 0'1 U1 ~J1 r.l'l U'l U'l U'I Ltl U'I U1 U1 Ltl U'I U'I Lrl U1 U'I Lt'I rJ'l rJ1 rJ'l U'I U'l Ltl -u -,I r' · }'-4 -t rtl 'T1 · C: rrl C: C rrl .-,:: -.t C: rTl C] Ill C) · Ill C) r- CZ "I) ~ '~] ~-~ IT1 rtl c~ · * 3, C) ,, rtl ~) r,,) '~' ~: 'l] C') C') u] I :J, ~, ~J I OO C) rtl · · 'I] ~) --t --(U) ":: -tl IT1 ~: Pl l'F1 --( rtl - I-' C] r"- r" rtl ~: z~; -~1 · . rtl u'~ -t rtl C] ZI, U] (:: --4., --1 C') I-' ., .~:., C] ,g'l U1 · ~] · f"' Ci) r-,) I~) I~'1 13i) Ci) rtl C] '~: ---*: rtl c:~ o'; rtl C) · · rtl ~-~ · · rJ] I't] Itl --t '1'1 ~-) Itl IT1 'q... Ill C) rtl C] rrl C~ :2:1 IT1 ilS70 iiS?i ilS?2 i~S?S ii574 iiS?S iiS?G ilS?? iiS78 iiS79 ilS80 iiSSi iiS82 iiS83 ~i584 ii585 iiSSG iiS87 ii588 2~.G4 24.75 24.82 24.78 24.58 25.45 24.27 24.78 24 GS 24 i5 25 7i 535.i 27.0 37.2 45.8 59.5 53.7 83. i 85.0 77.4 88.3 97.7 87.0 92.4 i00.S ii9.7 i58.£ 87.4 80.5 i30 i30 i30 i30 i30 i30 i30 i30 i30 i30 i38 L L L L L L L L L L L L L L 285. i 257.0 275.8 289.5 293. i 2~5.0 307.4 5i8.3 32i .7' 5i7.0 322.4 '330.5 349.7 8.2 3i7.4 3i0.S CORE E6STH6N CHRiSTENSEN CORE ORiENTATiON M~MU~I CORE COHPSNY: STANDARD ALASKA PROD. COH. LESSE: ~ rnu ~ELL: 6-5i FIELD: PRUDHOE 85Y OPERSTOR:~ALT CORAH RiG: NABORS iSE DRTE; 2-ii-88 DECLiNATiON: 30,8 DE6 EAST REF, CORRECTION: i50 DE6 LEFT TillER iNTERUAL: o~ iNSTRUHENT SPCN6, i?,2 FEET iNTERVSL STSRT: ii588 m,u, iNTERVaL END: iiGi8 f'i.D. FORMAT i ON; S6DLEROCH i T TYPE ~ SURVEY SURVEY TRUE EHS DEPTH iNCL. DiRECTiON REF, ii589 26,65 o~,z~ i45,5 ii590 25,i4 SG4,0E i57,8 ''59i 25. i7 ~ou.¢~ i58.0 582 26,68 S74,2E i56,0 ' 593 25.5i S70.4E i64.7 ' 5S4 24.22 ~oa,~ i84,8 ' S95 25,85 ~,=~ i85,2 ' 'SBG 24,42 ~oe.~ i 96.2 ' ' 597 25,05 ~o ¢ .u~ i 94.5 ' '598 26., i8 ~ re. ¢~ 207.9 ''599 25,23 ~oz.¢~ 223,i ''600 25,59 SG8,iE 223.5 ''60i 26,58 S74,5E z~z.o ''602 24.94 5oo,u~ 259,4 603 25.34 S63.8E 246,8 804 25,94 o~z.~ 245,3 605 ~o.~J ~¢z.~ 249.8 · 608 23,89 SGi.4E 27i.2 · 807 24,25 S6i.9E 275,i · 608 to,mu ~4,u~ 27i,6 ' 809 25,i8 ~¢~.z~ 279,7 ' 6i0 26,i6 S7ii4E 282,9 LUG TRUE LUG CORRECT,DiRECTiON 50 L iS,3 50 L 27,8 30 L 28,0 30 L 34.7 ~0 L 54,8 '30 L 66,2 '30 L 77,9 '50 L 93. i 30 L 92,3 58 L i09,4 50 L ii6.8 50 L ilS.5 50 L ii9.8 50 L i4i.2 50 L ~4S.i 50 L i4i.8 50 L i49.? 50 L iS2.9 ,co. C'31 Controlled Drilling Consultants, Inc. LES HENDERSON 3334552 · COIV- OLLED DRILLING CONSULT[ TS, INC. P.O. BOX 190560 Anchorage, Alaska 99519 (907) 333-1552 Feb. 9, 1988 Mr. Brian Rose Staudard Alaska Production Company Pouch 6-612 Anchorage, Ak. 99502 RE: Magnetic Single Shot Survey Job No.A-0188-021 Well C-31 (13-21-11-14) Prudhoe Bay Field NO. rth Slope, Alaska Date of Survey: 1-21-88 to 2-8-88 Dear Mr. Ro.se: Please find enclosed the "Original" and six (6) copies of our Magnetic Single Shot_ Survey on the above well. The method used in calculating this survey was Radius of Curvature ?he depth of the survey was 0' to "' 1'~65' Thank you for givin~ us this opportuni'ty to be of ser- vice. Yours 'very truly, Controlled Drilling Consultants, inc. er.son Di'.-ect ional Supervisor dOB NO ~-0J88-021 t~ELL C-3~ KB Ei FV 67, S'f~ND~RD ~L~SK~ PRODUCTION COM,PAHY M~6NET:C $INL;LE SHOT SVRVEY R~D~US OF CURVATURE ~iETHOD OF CONPUT~T~ON CO~PU'FED FOR CDC BY OCE~NTECH PROPOSED ~:,~R S78-~8E RE:CORD OF SURVEY ................ ,;;':,.: IE~i.~ DR I'F-T-~ERT 16~i-['- SUB ..... ~'~"-- DEPTH ~NGL~ DEPTH , ;,,,': , ; ,,, .... .. ................................. ;__ ....................... ,_ ........... : .......... -- ........ ~_~ ........................................................................................ __ ............. .;. ........ ..; ................ ,, , : .... . 490 3 45 489,65 42i,87 N20,OOE 15,..06 N 5 48 E J6 03 N 20 u 0 E ,765 !20J 2 30 1200,I2 il.32,34 $65.00E 34,45 N 18 "a~ · 39 26 N 28 39 27 E i404 @ 30 i402,JO i'~'~ ~ ,.,.*4,32 S84,00E 28,99 N ,:,7 1596, 8 30 159i.59 I523,81 S83.GOE 25.98 N 68 05 E ~ 27 H 52 lO 20 E 3,005 iEt44 '~, 6 18~6 0.5 t7.68 27 $87 OOE o,..-.. ,,-_-~,6~ N ~09 52 E lJ~ 20 N 75 2i i.* 36 202i 42 J.b5 64 583,i0E 2t,,U,-_ N i46 02 E t48 32 N ~-" 5.7 212,39 N "'' 7 I E ,.:.~ 789 ,"-'-', ,4 '5 -', 25.38 70 48 2487',5t 2419,73 S85.20E 6.23 N 334,54 E 27'94 40 36 2694,90 2627,I2 889,40E 1,28 S 483,86 E 3044 40 48 2'885 I7 2817 39 e,- ,, , . o85,60E 7.44 S 645 87 E 334,60 N 98 55 56 E '~ 66J ,S2:,?, 53 645,92 $ ,>., 20 :~2 E I , i 24, i!: 3,:t, 3 '! ..... ~ '7 c'F: , - - "' . -" ,. ,~20!. .. 45. 6 300n.,4,~. 2~c;,, 0 .,.,,3, JOE 20,55 $ 75'! ,,~4 ..... E 75t ~'~2 ."~ ,?,,.S' ~6 .n E 7 ¢'.,.6 ANVdWOD m~ V saansolou~ 'fa/ac: SO~A~aS GM~ X~Iertb ~s~gB!g ~g~ 6u!P!aOad o~ p~ml~OO s~ oo~I~& 'Xu~dmoo uoT$onpoa~ ~Ms~I~ pa~pu~$s 'Ilaa pauo!$uam aAOqe ag$ aO~ SXaAans I~UOT~Oaa!p GM]4 p~wInoIwO a~ndmoo ag~ ~o Xdoo w puTg aswaId pagow~¥ .~- 81 S%t08¥N : DI~I I£-O : qq.~M 'OD NOI,T, DflGO~ ~r~IS~q¥ Gh~fGknf,T,S 0 9# 8o£ 886I ' g zIczenczqa~I 9~9~-~:9CJ~ocj66 (LO6) AeAA UOSla!N 9 L L9 s~,S plO!:l.l!O 000101 ~:7.-~-,-,~-L,-,-~/ B~SSI~ JO TELECO OILFIELD SERVICES JOB 610 SURVEY CALCULATIONS Date Page 02/01/88 1 Company: Well: Location: Rig: S.A.P.C. C-31 PRUDHOE BAY UNIT NABORS 18-E TELECO Job # 610 TAK Grid Correction: Magnetic Declination: Total Correction: Proposed Direction: 0.00 degrees 30.80 degrees 30.80 degrees 101.23 degrees RADIUS OF CURVATURE CALCULATION MEAS DIRECTION TRUE VERTICAL COORDINATES CLOSURE DOG LEG DEPTH INCL AZIMUTH BEARING VERT DEPTH SECTION N/S E/W DIST ANGLE SEVERITY feet deg deg deg/min feet feet feet feet feet deg deg/100' TIE IN TO SPERRY SUN GYRO 1691.00 10.5 78.0 N 78 00 E 1685.29 76.86 26.58N 83.64E 87.76 N 72.370E 0.000 TELECO MWD SURVEYS 1844.00 9.1 93.0 S 87 00 E 1836.05 101.85 28.61N 109.52E 113.20 N 75.357E 1.895 1939.00 11.0 93.0 S 87 00 E 1929.59 118.26 27.74N 126.08E 129.09 N 77.591E 2.000 2033.00 13.6 96.9 S 83 06 E 2021.42 138.16 26.01N 146.02E 148.32 N 79.899E 2.902 2159.00 17.8 96.2 S 83 48 E 2142.69 172.13 22.12N 179.89E 181.24 N 82.988E 3.337 2254.00 21.4 96.2 S 83 48 E 2232.17 203.88 18.67N 211.56E 212.38 N 84.957E 3.790 TELECO Job # 610 TAK 02/01/88 Page 2 MEAS DIRECTION TRUE VERTICAL COORDINATES CLOSURE DOG LEG DEPTH INCL AZIMUTH BEARING VERT DEPTH SECTION N/S E/W DIST ANGLE SEVERITY feet deg deg deg/min feet feet feet feet feet deg deg/100 ' 2382.00 25.1 96.2 S 83 48 E 2349.76 254.20 13.19N 261.78E 262.12 N 87.115E 2.891 2538.00 30.8 94.8 S 85 12 E 2487.51 326.92 6.18N 334.53E 334.59 N 88.940E 3.678 2695.00 37.0 92.7 S 87 18 E 2617.75 413.70 0.46N 421.86E 421.86 N 89.937E 4.018 2794.00 40.6 90.6 S 89 24 E 2694.90 474.85 1.32S 483.86E 483.86 S 89.843E 3.871 2948'~i~O0 4~2~ 93.2 S 86 48 E 2812.17 573.33 4.63S 583.61E 583.62 S 89.545E 1.124 3044.00 40.8 94.4 S 85 36 E 2885.17 635.16 8.76S 645.81E 645.87 S 89.223E 1.025 3137.00 42.9 98.7 S 81 18 E 2954.44 696.98 15.84S 707.44E 707.62 S 88.717E 3.822 3201.00 45.1 96.9 S 83 06 E 3000.48 741.35 21.87S 751.48E 751.80 S 88.333E 3.953 3532.00 46.7 97.2 S 82 48 E 3230.82 978.41 51.04S 987.38E 988.70 S 87.041E 0.488 3999.00 47.5 98.7 S 81 18 E 3548.71 1319.93 98.36S 1326.17E 1329.81 S 85.758E 0.291 4468.00 48.7 99.0 S 81 00 E 3861.92 1668.72 152.07S 1671.10E 1678.01 -S 84.800E 0.260 4844.00 49.4 98.7 S 81 18 E 4108.35 1952.47 195.76S 1951.72E 1961.51 S 84.272E 0.196 5322.00 50.1 96.9 S 83 06 E 4417.20 2316.62 245.28S 2313.15E 2326.11 S 83.947E 0.323 5795.00 50.7 96.5 S 83 30 E 4718.70 2679.93 287.80S 2675.10E 2690.54 S 83.859E 0.143 6267.00 51.4 98.3 S 81 42 E 5015.41 3046.17 335.08S 3039.10E 3057.52 S 83.708E 0.332 6582.00 51.7 98.3 S 81 42 E 5211.29 3292.54 370.79S 3283.19E 3304.06 S 83.556E 0.096 7053.00 49.8 99.0 S 81 00 E 5509.28 3656.89 425.65S 3643.76E 3668.54 S 83.337E 0.419 TELECO Job # 610 TAK 02/01/88 Page 3 MEAS DIRECTION TRUE VERTICAL COORDINATES CLOSURE DOG LEG DEPTH INCL AZIMUTH BEARING VERT DEPTH SECTION N/S E/W DIST ANGLE SEVERITY feet deg deg deg/min feet feet feet feet feet deg deg/100 ' 7312.00 48.5 99.0 S 81 00 E 5678.68 3852.65 456.39S 3837.25E 3864.29 S 83.217E 0.502 7813.00 48.2 98.7 S 81 18 E 6011.64 4226.70 513.99S 4207.16E 4238.44 S 83.035E 0.075 8286.00 46.9 99.7 S 80 18 E 6330.88 4575.48 569.79S 4551.66E 4587.19 S 82.865E 0.316 8393.00 8721~' 01~ 46.2 99.7 S 80 18 E 4~ 10~'4~'~ S~' 79 36'~ E 6404.47 4653.13 582.91S 4628.23E 4664.79 S 82.822E 0.655 6632.93 4888.43 623.99S 4859.96E 4899.86 S 82.684E 0.263 9196.00 44.3 101.8 S 78 12 E 6969.39 5223.70 688.53S 5188.97E 5234.45 S 82.441E 0.327 9621.00 42.1 102.5 S 77 30 E 7279.18 5514.58 749.76S 5473.36E 5524.47 S 82.200E 0.530 9853.00 38.9 103.2 S 76 48 E 7455.57 5665.17 783.27S 5620.24E 5674.56 S 82.066E 1.393 10166.00 33.4 106.0 S 74 00 E 7708.21 5849.40 829.79S 5798.83E 5857.90 S 81.857E 1.834 10385.00 30.1 108.8 S 71 12 E 7894.41 5963.95 864.24S 5908.77E 5971.64 S 81.679E 1.650 10669.00 27.4 111.3 S 68 42 E 8143.38 6098.91 911.07S 6037.07E 6105.43 S 81.418E 1.041 10835.00 27.4 112.7 S 67 18 E 8290.76 6173.95 939.69S 6107.90E 6179.76 S 81.254E 0.388 TELECO 0 i 1 f i ~ 1 d PLAN VIEW S~rvicas 0 ! 60O 1600 Bm00 4800 6400 8000 9600 11 600 3200 4800 6400 8000 9600 EAST (~t) T~.£CO 0 i 1 f i m 1 d S~rvic~s VERTICAL PROJECTION 0 lODO BO00 5000 7O0O 9000 11 ODD 1 @000 15000 17000 19000 2000 4000 6OD0 8000 1 ODD0 12000 4']69 ' )0. S DEli' ......... ~ ~N?~BClR,~ 1E,wE, _ N ........ .... ~78: 3 ~ 48, ~ Dt~G . .' ,,, .. , .... , .... , , , , . : , , ..... ,,,, VERTICAL SECTION S3NIS :Ag pemamoo BB-B3-I-BL e;eO 93dd3d :A~ peDD09 1/09Z/. 'ON eoueJe~et:l qop V)ISV'IV '3d09S HI~ION 'AVB 30Hanad UOl;eOoglPle!.-I (31?LB'NL L/'6L 335'9'3J~,EBB'qN$,OOBl.)(IzL-LL-LZ-£L)L£-~) },NVd~O3 No~3noo~Id v~svqv a~lVbNV±S ew~N IleM Xuedwoo 9 O0 I-~-I - ,.--/,.,/ snonNI.LNOJ'~I BoNvalnJ~] ?YNOI OIlflO GCT DIRECTIONAL SURVEY CUSTOMER LISTING FOR STANDARD ALASKA PRODUCTION CO, C-31(13-21-11-14) PRUDHOE BAY NORTH SLOPE,ALASKA SURVEY DATE= iS-FEB-88 ENGINEERI PEPPEL METHODS OF COMPUTATION TOOL LOCATION~ TANGENTIAL- Averaged deviation and azimuth INTERPOLATION{ LINEAR VERTICAL SECTIONs HORIZ, DIST, PROJECTED ONTO A TARGET AZIMUTH OF SOUTH 78 DEG 42 MIW EAST STANDARD ALASKA PRODUCTION CO, C-31(!3-21 11-14) PRUDHOE NORTH SLOPE,ALASKA COMPUTATION DATE~ 19-FEB-88 PAGE 1 , DATE,OF SURVEY1 18-FEB-88 KELLY BUSHING ELEVATIONI 67.78 FT ENGINEERI PEPPEb INTERPOLATED VAbUE$ FOR EVEN 100 FEET OF MEASURED DEPTH TRUE SUB-SEA COURSE MEASURED VERTICAL VERTICAL DEVIATION AZIMUTH DEPTH DEPTH DEPTH DEG 0 O0 oo 00 3 00 00 O0 O0 O0 7OO O0 8OO O0 900 OO 0 00 100 00 200 00 300 00 399 98 499 81 599 67 699 63 799 61 899 60 '67,78 0 0 N 0 0 E 13 ,22 0 8 S 0 E 332'20 2 8 N 16 56 E 432,03 3 31 PI 18 52 E 531,8q 2 23 h 20 4 g 631,85 1 25 N 19 29 E 731,83 0 56 N 20 2 E 831,82 0 35 N 18 21 E 000 100 1200 1300 1400 1500 1600 1700 1800 1900 O0 999 59 931,81 0 21 O0 1099:59 1031,81 0 20 0 1199 59 1131,81 0 22 0 1299 40 1231,62 5 31 O0 1398 62 1330,84 8 39 00 1497 31 1429,53 9 2 694 72 1626,94 10 58 O0 1792 92 1725,14 10 16 00 1891 39 1823,61 10 22 2000 O0 2!00 2200 2300 2400 2500 2600 2700 2800 2900 1989,36 1921,58 12 54 gO 2086,36 2018.58 15 25 0 2181,83 2114.05 19 17 23 53 2298,75 25 47 g O 2454 96 2387,18 29 34 0 2540 46 2472,68 33 12 00 2622 08 2554,30 37 7 00 2699 82 2632,04 40 7 00 2776 29 2708,51 39 59 800 3900 VERTICAL DOGLEG RECTANGULAR COORDINATES HORIZ, DEPARTURE SECTION SEVERITY NORTH/SOUTH EAST/WEST DIST, AZINUTH FEET DEG/IO0 FEET FEET FEET DEG MZN 0.00 0,10 0, 8 0,92 1,65 2,12 2,42 2,61 0 O0 0 05 0 05 0 0 73 1 41 0 57 0 65 0~35 N 7 45 E 2,6B 0'22 N 50 37 E 2,65 3 50 S 71 34 E 8.04 3:28 S 80 17 E 20,36 ~ 22 S B1 31 E 36.47 ~61 S 86 30 E 51,57 2 38 h 80 I E 67,66 1:92 N B6 6 E 85.44 2~07 S 87 2 E 102,52 1,86 S 83 22 g 122.37 2,48 S 81 29 E 146,63 3,44 $ 82 8 E 176,24 4.01 S 82 47 g 212.03 2,87 $ 83 6 E 252,51 3,90 S 83 49 E 298,99 3,34 S 85 28 g 350,54 4,13 S 87 9 E 407.76 3,80 S 88 23 E 469.82 0,96 S 88 8 F 533,34 0,73 0,00 N 0,00 0,26 S 0,03 0,43 S 0,01 0,59 S 0,01 0,40 N 0,26 5,90 N 2,12 10,79 N 3,84 13,80 N 4,92 15,73 N 5,62 16,95 N 6,05 0,00 N 0 0 E 0,26 8 7 23 W 0,43 S 1 20 W 0,59 S 1 9 W 0,48 N 33 27 E I 45 N 9 35 g 1 65 N 36 g 16,70 N 19 38 g 18,00 N 19 37 g 17 69 N 18 33 N 18 17 14 11 9 11 14 13 6,40 E 19,42 N E 77 N 6.45 E 19,85 N lB 57 E 04 N 11.61 E 20,61 N 34 15 E 16 N 23.59 g 27,51 N 59 I g 78 N 39,54 E 41,26 N 73 24 E 77 N 54,54 E 55,41 N 79 50 E 33 N 71,26 E 72,16 . 80 58 E 02 N 89,93 E 91,02 N 81 8 E 91N 107,32 E 108.22 N 82 36 E 12 23 N 127,24 E 127,82 N 84 30 E 8 87 N -151,30 E 151,56 N 86 38 E 4 57 N 180,63 E 180,69 N 88 33 g 0 07 $ 216 21 E 216.21 S 89 58 E 5 05 S 256 49 E 256 54 S 88 52 E 10 43 S 302 82 g 303 00 S 88 ! 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L~M 000~- 0008- HLRO$ 000g- 000v- 0002- OO02 000~ OO09 OO08 HLU0N NOII33POBd 1VINOZIBOH (3i;,LB'NLLI'6L 03S'93~ ,E:BB'gN$ (~I.-LL Lg-EL) LE-3 ,oo~t) AJ/NI 00OZ/i = 33U3S ZI~0H '{SZ - 3Nffg~ q~3I£MMA NO NOIZ33rOMa 'lOl O00Z[ 0000! 0008 0009 000~ O00Z 0 0 O00Z- 000~- NO IIO3{'OBd 9VDIIB3' ~._..~- (317LB'NLLi'61 33S-'-13Jvl ,£BB'qNS f''-tl-lZ-~:l) t~:-::) ,008[) ' -1'I3M INDEXED DALLAS ~co S"rANDARD CHEVRON ALASKA PRODLJC TION E~<ON Date: 05/11/88 TEXACO TO: TI: 78824 bIOBIL PHILLIPS .~ STATE OF ALASKA REFERENCE: SAPC FINAL DATA - PRESSURE SURVEY DATA The following material Is being submitted herewith. Please acknowledge receipt by slgnlng a copy of thls letter and returning It to this office: -A-22 Static Gradient 05/05/88 Camco ?.~-35 Static Gradient 05/05/88 Camco . iiii!C- 19 Static Gradient 05/04/88 Camco C-27 Static Gradient 05/04/88· Camco C-30 Static Gradient 05/03/88 Camco ~ Static Gradient 05/04/88 Camco H-12 BHPS StAtic Gradient 04/30/88 Otis H-22 BHPS Static Gradient 04/29/88 Otis K-6 Static Gradient 04/28/88 Camco X-5 BHPS Static Gradient 05/03/88 Otis X-9 BHPS Static Gradient 05~03/88 Otis X-15 Static Gradient 05/06/88 Camco X-27 Static Gradient 05/06/88 Camco Y-10 BHPS Static Gradient 05/01/88 Otis Y-21 BHPS Static Gradient 05/01/88 Otis Rece I Date ~ ~ --'"' Alice Beck INFORI~AI' I 0~ CONTROL ~ t~J Wel I Records LR2-1 . , ARCO STANDARD ALASKA PRODUCTION EXXON Date: 04/25/88 PHILLIPS T~: ~'~-TATE OF AK~ PDBY Systems (Transmittal Only) 78754 SYSTEMS (Transmittal & Tape) ARCHIVES SA]PC b~GNETIC LIS TAPES & LISTINGS The following material is being subnitt~ herewith. Please acknowledge receipt by signing a copy of this letter and returning it to this office: C-31 CH/CNL Mag tape 03/05/88 #I 10796.5-11684.5 Tape Pos. #05699 Sch #72630 1600bpi Please destroy the CH/CNL tapes sent 03/11/88. The AP1 number was incorrect. * EX~XON: An Asterisk (*) next to a listing above means you should have received the Tape(s) and Listing(S) directly from the respective service company. Please confirm th' Received Date A un;t of i'he o,;g C).l Comoonv Founded ,, Cie-,-o,~d. C)~,o .... ~870 Victoria Aldridge Well Records LR2-1 INDEXED DALLAS ARCO CHEVRON EXXON TO: TEY~ACO MARATHON MOBIL PHILLIPS STATE OF ALASKA GEOSCIENCES REFERENCE: STANDARD ALASKA PRODUCTION Date: 04/12/88 T#: 78724 SAPC ' CORE"DATA The following material is being submltted herewith. Please acknowledge receipt by signing a copy of this letter and returnlng It to thls office: DAL/UNIT/STATE: COKE ANALYSIS REPORT 04/07/88 File #BP-3-1261 Alaska Oil & Gas Cons. C0mmi~ Anchorage STATE ONLY: DIRECTIONAL SURVEYS Magnetic Single Shot Directional Survey Date: Gyroscopic Directional .Survey ', Da te: Job#: Job#: Recelved Date Victoria Aldridge INFORHATION CONTROL Nell Records LR2-1 A un;t Of the m'g;r, ol 5'oadord OI Co,-pony Founded m Cle,,elond. Oh,o ,n 1~170 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION APPLICATION FOR SUNDRY APPROVALS 1. Type of Request: Abandon [] Suspend [] Operation Shutdown [] Re-enter suspended well [] Alter casing [] Time extension [] Change approved program [] Plugging [] Stimulate [] Pull tubing [] Amend order [] Perforate [] Other [] 2. Name of Operator Standard Alaska Production Company 3. Address P. 0. Box 196612, Anchorage, Alaska 99519-6612 4. LocatiOn of well at surface 1800°SNL, 883'WEL, SEC 19, T11N, R14E At top of productive interval 2729' SNL, 6' WEL, SEC 20, T11N, R14E At effective depth 2861' SNL, 4936' WEL, SEC 21, T11N, R14E At total depth 2868' SNL, 4914' WEL, SEC 21, T11N, R14E 1. Present well condition summary Total depth: measured Effective depth: true vertical measured true vertical Length 80' 2793' 10846' 1130' measured true vertical Casing Structural Conductor Surface Intermediate Production Liner Perforation depth: 5. Datum elevation (DF or KB) KB = 67.78 feet 6. Unit or Property name Prudhoe Bay Unit 7. Well number C-31(13-21-11-14) 8. Permit number 88-6 9. APl number 5 0 - 029-21775 10. Pool Prudhoe Bay Pool 11740 feet 9081 feet 11699 feet 9047 feet Size Plugs (measured) Junk (measured) Cemented Measured depth True Vertical depth 20" 8 cu. yds. concrete 110' 13-3/8" 3900 cu. ft. Arctic Set II 2825' 9-5/8" 2335 cu. ft. Class G 10869' 110' 2724' 8343' 5-1/2" 353 cu. ft. Class G 11740' 9081' Tubing (size, grade and measured depth) 5-1/2" 17# L-80 AB/MOD. BUT'I~. @ 10603 w/seal assy. RECEIVED Packers and SSSV (type and measured depth) Baker Packer @ 10467'MD Otis SSSV @ 2153' MD Gas Cons. Anchorage 2. Attachments Description summary of proposal [] Detailed operations program E3 BOP sketch [] 3. Estimated date for commencing operation 2nd Quarter 1988 4. If proposal was verbally approved Name of approver Date approved 5. I here.~(/ cer~y t/t~ the foregoing is true and correct to the best of my knowledge Si~ned~~~,,,~~.~, · Title PBU Drilling Engineering Supervisor Commission Use Only Date .~'/~:/~/~ ~ Conditions of approval Notify commission so representative may witness IApproval No. r'l Plug integrity [] BOP Test [] L0c. p. tjo. Q..,(;learance I Approveo v, uF, y ORIGINAl, ~!'c'''NED BY oZ,~u~"~--"'~;) ~;) LONNIE C. SMITH ~ by order of Approved by Commissioner the commission Form 10-403 Rev 12-1-85 Date Submit in triplicate PBU WELL C-31 (13-21-1 1-14) Permit Number: 88-6 Approval Date: 1-20-83 WELL STATUS Well operations were shut down after running 5-1/2" tubing, nippling down BOPE, and installing the tree. A SFD/CNL-poro, CNL-raw, EWR/GR has been run in the 8-1/2" hole and a gyroscopic survey has been run from PBTD to surface. The 13-3/8" x 9-5/8" annulus has been freeze protected. REMAINING DRILLING OPERATIONS The well will be completed by perforating underbalanced with wireline conveyed guns. Perforations to be consistent to current development strategy. Flow well for simple cleanup. Install sub surface safety valve in ball valve nipple. STANDARD . ALASKA PRODUCTION Daily Drilling Report -- PRUDHOE BAY January 21, 1988 at 0600 hrs Rig: Nabors 18E Well: C-31 AFE # 120641 AFE Amount: " Current Amount: 0600 Depth: Day: 24- Hour Ftg: Water Used: -1 1050 Current Operation: N/U riser. Move rig to C-31. N/U riser. Mud Type: WT: VIS-: PV: YP: FL: Solids: Temp: °F RECEIVED, Alaska Oil & Gas Cons. Com~isslOrt ~chorage STANDARD · ALASKA 'PRODUCTION Daily Drilling Report-- PRUDHOE BAY January 22, 1988 at 0600 hrs Rig: Nabors 18E Well: C-31 AFE # 120641 AFE Amount: Current Amount: 0600 Depth: 1310' Day: 1 24- Hour Ftg: 1208' Water Used: 2800 Current Operation: Drilling. Accepted rig @ 0500 hours on 1/21/88. N/U riser. Mix mud. Spud @ 1300 hours on 1/21/88. Drilling at 1310'. Mud Type: Spud Mud WT: 8.9 VIS: 180 PV: 15 YP: 40 FL: 18 Solids: 5 Temp: 46 °F RECEIVED 0il & Gas Cons. Commisslor~ Anchorage STANDARD . ALASKA PRODUCTION Daily Drilling Report-- PRUDHOE BAY January 25, 1988 at 0600 hrs Rig: Nabors 18E Well: C-31 AFE # 120641 AFE Amount: Current Amount: 0600 Depth: 3246' Day: 4 72- Hour Ftg: 1936' Water Used: 5775 Current Operation: POH. Drill to 2823'. Run & cement 13-3/8" casing; shoe @ 2789'. Drill to 2844'. Mud Type: Low Solids WT: 8.9 VIS:36 PV:4 YP: 12 FL: 18 Solids: 4 Temp: 46~F STANDARD ' ALASKA PRODUCTION Daily Drilling Report -- PRUDHOE BAY January 26, 1988 at 0600 hrs Rig: Nabors 18E Well: C-31 AFE # 120641 AFE Amount: Current A~nount: 0600 Depth: 4894' Day: 5 24- Hour Ftg: 1648' Water Used: 2725 Current Operation: Reaming. Drill to 4894'. Trip. Reaming tight hole. Mud Type:Low Solids WT:9.2+ VIS:36 PV:4 YP:9 FL: 18 Solids:7 Temp: 54°F STANDARD · ALASKA PRODUCTION Daily Drilling Report-- PRUDHOE BAY January 27, 1988 at 0600 hrs Rig: Nabors 18E Well: C-31 AFE # 120641 AFE Amount: Current Amount: 0600 Depth: 6450' Day: 6 24- Hour Ftg: 1556' Water Used: 2625 Current Operation: Drilling. Drilling at 6450'. Mud Type: Dispersed WT: 9.3 VIS: 34 PV: 4 YP: 3 FL: 12.0 Solids: 7 Temp: 64 °F Rig: Nabors 18E Well: C-31 STANDARD ALASKA PRODUCTION Daily Drilling Report-- PRUDHOE BAY January 28, 1988 at 0600 hrs AFE # 120641 AFE Amount: Current Amount: Current Operation: 0600 Depth: 7230' Day: 7 24- Hour Ftg: 780' Water Used: 2100 Drilling. Drill to 6542'. Trip for washout. Drill to 7230'. Mud Type: Dispersed WT: 9.3+ VIS:36 PV: 6 YP: 7 FL: 8.6 Solids: 7.5 Temp: 75 cF STANDARD · ALASKA PRODUCTION Daily Drilling Report -- PRUDItOE BAY January 29, 1988 at 0600 hrs Rig: Nabors 18E Well: C-31 AFE # 120641 AFE Amount: Current Amount: 0600 Depth: 8310' Day: 8 24- Hour Ftg: 1080' '*Water Used: 1400 Current Operation: Drilling. Drilling 12-1/4" hole at 8310'. Mud Type: Dispersed WT: 9.5+ VIS: 36 PV: 8 YP: 6 FL: 8.0 Solids: 8.5 Temp: 77 °F &ES :dmo& 0'0I :sp!IoS 0'9:'1=1 6:dX 0I :Ad glv:SIA +8'6:£A~ posaods!cl:od~.l, pnlAI 'HOd 'd.m z~oqs ',088'0I ol IIP(2I 'HOd :uot. l~zodO luo:~:mD 6L6L :posFl Jm~.t¢. ,OLgZ :~zl JnoH - ~L I I :KeCI ,088'0I :q~docI 0090 :lunomV luoJ.xnD aunomv ~t.4V I1790gI # ~ktV I E-D :ItOA~ ~18I saoqeN :~l~I sJq 0090 llg 886I 'I £agnaqo2l AVIt ~lOHGFlkld -- lJOd~)~l ~}u!ll!a(I ~(i!¢(I NOIJ. OFIC]OI:::Id aHVaNV.I.S STANDARD ALASKA PRODUCTION Daily Drilling Report-- PRUDHOE BAY February 2, 1988 at 0600 hrs Rig: Nabors 18E Well: C-31 AFE # 120641 AFE Amount: Current Amount: 0600 Depth: 10,880' Day: 12 24- Hour Ftg: 0 Water Used: 1225 Current Operation: RIH. POH. Run & cement 9-5/8'" casing. Shoe @ 10,841'. Test BOPE. RIH with 8-1/2" bit. Mud Type: Dispersed WT: 9.8 VIS: 41 PV: 9 YP: 8 FL: 6.4 Solids: 10 Temp: 78 °F STANDARD ALASKA PRODUCTION Rig: Nabors 18E Well: C-31 Daily Drilling Report -- PRUDIIOE BAY February 3, 1988 at 0600 hrs AFE # 120641 AFE Amount: Current Amount: 0600 Depth: 10,900' Day: 13 24- Hour Ftg: 20' Water Used: 2400 Current Operation: Changing mud system over. Drill out 9-5/8" shoe to 10,900'. CBU. Pump spacer and change over to bland mud. Mud Type: Bland WT: 8.9 VIS: 87 PV: 38 YP: 29 FL: 5 Solids: 4 Temp: °F STANDARD ALASKA PRODUCTION Daily Drilling Report-- PRUDHOE BAY February 4, 1988 at 0600 hfs Rig: Nabors 18E Well' C-31 AFE # 120641 AFE Amount: Current Amount: 0600 Depth: 11,290' Day: 14 24- Hour Ftg: 390' Water Used: 1525 Current Operation: POH. Change well over to 8.9 ppg bland mud. Drill 8-1/2" hole to 11,186'. Lost circulation. Mix LCM and cut MW to 8.7 ppg. Stabilize hole and drill to core point at 11,290'. POH and prepare to core. Mud Type: Bland WT: 8.7 VIS:65 PV: 15 YP: 10 FL: 4 Solids: 3 Temp: 83 CF STANDARD ALASKA PRODUCTION Daily Drilling Report-- PRUDHOE BAY February 5, 1988 at 0600 hrs Rig: Nabors 18E Well: C-31 AFE # 120641 AFE Amount: Current Amount: 0600 Depth: 11,326' Day: 15 24- Hour Ftg: 36' Water Used: 700 Current Operation: RIH to spot LCM. RIH to begin coring. Hit tight spot at 11,228'. Washed and reamed 11,228'-11,290'. Drilling for core #1, 11,290'-11,326', core barrel jammed. Recovered 38'. Worked pipe from tight spot 11,015'-11,311'. Hole taking fluid @ 30 BPH. RIH to spot LCM. Mud Type: Bland WT: 8.7 VIS: 86 PV: 18 YP: 12 FL: 3.8 Solids: 2.75 Temp' 81 CF STANDARD · ALASKA PRODUCTION Daily Drilling Report -- PRUDHOE BAY February 8, 1988 at 0600 hrs Rig: Nabors 18E Well: C-31 AFE # 120641 AFE Amount: Current Amount: 0600 Depth: Day: 72- Hour Ftg: Water Used: 11,468' 18 142' 2100 Current Operation: -RIH to spot LCM. RIH to 10,869'. Spot LCM pill. Attempt to clean out - could not get past 11,296'. Trip. Clean out to 11,326'. CBU. Well stable. POH~ RIH with core BBL and cut core #2 11,326'-11,372'. Jammed. CBU. Trip. Cut Core #3 11,372'-11,408'. Jammed.. CB U. Trip. Hole taking fluid. Pump LCM pill. Cut core #4 11,408'-11,468'. CBU. Trip. Hole taking fluid. RIH with 8-1/2" bit to spot LCM. Mud Type: Bland WT: 8.7 VIS: 60 PV: 13 YP: 8 FL: 3.8 Solids: 3 Temp' 76 CF _ STANDARD ALASKA PRODUCTION Daily Drilling Report-- PRUDHOE BAY February 9, 1988 at 0600 hrs Rig: Nabors 18E Well: C-31 AFE # 120641 AFE Amount: Current Amount: 0600 Depth: Day: 24- Hour Ftg: Water Used: 11,468' 19' 1050 Current Operation: POH. RIH to 9-5/8" shoe. Spot LCM pill. Well taking fluid., Pump LCM pill. POH 10 stdi. Circulate & condition gas cut mud. RIH & ream to 11,454. Circulate & condition mud. Hole stable. POH. Mud Type: Bland WT: 8.7 VIS: 38 PV: 11 YP: 6 FL: 8.8 Solids: 2.5 Temp: °F STANDARD ALASKA PRODUCTION Rig: Nabors 18E Well: C-31 Daily Drilling Report-- PRUDHOE BAY February 10, 1988 at 0600 hrs AFE # 120641 AFE Amount: Current Amount: 0600 Depth: 11,559' Day: 20 24- Hour Ftg: 91' Water Used: 700 Current Operation: Coring. RIH with core BBL & cut core #5 11,460'-11,520'. CBU, observe well - stable. Trip.' Cutting core #6. Mud Type: Bland WT: 8.7 VIS: 45 PV: 11 YP: 4 FL: 4.0 Solids: 2.5 Temp: °F STANDARD ALASKA PRODUCTION Daily Drilling Report -- PRUDHOE BAY February 11, 1988 at 0600 hrs Rig: Nabors 18E Well: C-31 AFE # 120641 AFE Amount: Current Amount: 0600 Depth: 11,610' Day: 21 24- Hour Ftg: 51' Water Used: 700 Current Operation: Observe well. Cut core #6, 11,528'-11,588'. CBU, trip. Cut core #7, 11,588'-11,610'. CBU. 9-5/8" shoe - well taking fluid. Mix & pump LCM pill. Observe well. POH to Mud Type: Bland WT: 8.7 VIS:52 PV: 12 · YP: 4 FL: 3.8 Solids: 3 Temp: 65 °F STANDARD ALASKA PRODUCTION Rig: Nabors 18E Well: C-31 Daily Drilling Report-- PRUDHOE BAY February 12, 1988 at 0600 hrs AFE #' 120641 AFE Amount: Current Amount: 0600 Depth: 11,625' Day: 22 24- Hour Ftg: 15' Water Used: 1525 Current Operation: Build mud volume. Observe well - stable.' CBU. Trip for 8-1/2" bit/BHA. Wash and ream tight hole. POH to 9-5/8" shoe. Weight up mud to 9.0 ppg & build volume. Mud Type: Polymer WT: 8.8 VIS: 45 PV: 9 YP: 7 FL: 5.2 Solids: 3.5 Temp: 70 °F Bo 9§ :dm~.l. ~ :sp!Io~ g :'II § :dX g :Ad 0~ :SlA 0'6 :.LAS. sp!Io~ axo'-I :odX. l. phIAl uouTt. ,,Z/I-g utu p~ fl~ ',0~'L'II-,~9g'0I oloq ,,~/t-8 ~o'I 'sloo~ ~u~oI ~ p!oxuff q~.~ HI~I 'oD oN - s~oI ou!to~ax ~dtuo~u puu fl/ti ',0~L'II ol II.U(I 'Itoax po~oe..nop!s ',g~,6'0I-3,§§'0I tuuo.t ptm qSUAk 'o~ulno..7.D · aou.q unlt :uoBu~oclO ~uosan3 0gig :posfl ,L6L :~t anoH-96 9i5 ,0~L'I I :q~docI 0090 :lunomV :~unomv I~9OZI # Ig-D :IIOA~ ~t8I s~oq~N :g.t~I saq 0090 ~u 886I '9I ~aunaqazl AVa ~IOH(IflHd -- ~aodaH SU!ll!a(l ~!!u(I NOIJ. OrlQOl::lcl CiI:iVClN¥.LS & :dmo.L g :sP!IOS gt :qcl ~I :dX 7;I :Ad Zg :SIA +0'6 :&Ak zom~(IOd :odX.L pnp~ ':~odgxos gtq. sgo ,,~/t-g '~!q ,,~/¢-~ ~.'b'e'. HI'd 'fl~tD 'do~ aou!I o~ mo UgolO v2 HI~t ',01~£'I I ~ ooqs '~ou!I ,,77I-g ~uomoo pug unit 'HI~I :uo.ngsodo iuoxmD gL8 0 ,O17L'I I :posfl :g3.q ~OH - ~ :q]doa 0090 :lunomv lug.unD :lunotuv ~t~IV I E-D HgI s:~oqgN :g!~l saq 0090 .~Vll ~OH(Ifl~Id '- l.~odo~I 2Ulll!.~(l ~(i!g(I NOI.LOr'ICIOI:Id VNSV-IV alaYa N¥..LS STANDARD · ALASKA PRODUCTION Daily Drilling Report-- PRUDHOE BAY February 18, 1988 at 0600 hrs Rig: Nabors 18E Well: C-31 AFE # 120641 AFE Amount: Current Amount: 0600 Depth: 11,699' PBTD Day: 28 24- Hour Ftg: Water Used: 1050 Current Operation: POH. RIH to liner top & test to 3000 psi. Clean out cement 11,515' - 11,699' PBTD. Displace well to 9.6 ppg Brine. Test liner to 3000 psi. POH. Mud Type: NaC1 Brine WT: 9.6 VIS: PV: YP: FL: Solids: Temp: °F STANDARD ' ALASKA PRODUCTION Daily Drilling Report-- PRUDHOE BAY February 19, 1988 at 0600 hrs Rig: Nabors 18E Well: C-31 · AFE # 120641 AFE Amount: Current Amount: 0600 Depth: Day: 24- Hour Ftg: Water Used: 11,699' PBTD 29 Current Operation: POH. R/U & run CBT/CET/GCT. RIH'with polishing mill & polish 6' PBR. CBU. POH. Mud Type: NaCI(2) WT: 9.6 VIS: PV: YP: FL: Solids: Temp: °F STANDARD . ALASKA PRODUCTION ·-Rig: 'Nabors 18E Well: C-31 Daily Drilling Report -- PRUDHOE BAY February 22, 1988 at 0600 hrs AFE # 120641 AFE Amount: Current Amount: 0600 Depth: Day: 72- Hour Ftg: Water Used: 11,699' PBTD 32 700 Current Operation: Release rig @ 1200 hours on 2/21/88. RIH with dummy seal assembly & test annulus. R/U and mn 5-1/2" tubing. Set & test packer. N/D BOPE, N/U & test tree. Displace tubing vol. + 40 bbl to diesel. Downsqueeze 13-3/8" x 9-5/8" annulus. Release rig @ ~ hours on 2/21/88. -- Mud Type: WT: VIS: ' PV: YP: FL: Solids: Temp: Stondo~d AIosLO Pfocluct~on Cornpony ~ 900 Em., Be.,~.o,, Bo,.,le~ . \ PO Bo,,, 196612 DALLAS ARCO CHEVRON EXXON TEXACO MOBIL PHILLIPS ~ OF ALASKAJ GEOSCIENCES INDEXED STANDARD ALASKA, PRODUCTION Date: 03/08/88 TO: TI: 78639 REFERENCE: SAPC CASED HOLE FINAL LOGS o The roi lowing material Is being submitted herewith. Please acknowledge receipt by signing a copy of this letter end returning it to thls offlce: B-2 C-7 D-7 E-23 E-24 E-26 F-24 N-2 N-9 N-19 M-18 M-28 Completion Record 02/28/88 ,~tl 5700-10532' ' Sch '5" Prod-F 02/24/88 i~12 11500-11700 ' Camco 5" CH/CNL/GR 03/05/88 ~1 10800-11673,./ Sch 5" CCL/GR 02/28/88 ~i 9800-12329 Camco 5" Perf. Record 03/04/88 ~/1 10300-11625 Sch 5" perf. Record 03/04/88 ~I1 10200-11667 Sch 5" CBT 03/02/88 ~1 8600-9734 Sch 5" CET 02/29/88 tt2 11388-12306 Sch 5" Prod-F 02/25/88 ~/1 10200'10443 Camco 5" Prod-F 02/26/88 I/1 9050-9631 Camco 5" Production 02/27/88 f/1 9600-10000 Sch 5" Fluid ID 02/22/88 f;1 8200-9496 Camco 5" Injection Profile 02/24/88 ~/1 8680-9110 Camco 5" Received _--"nL- -U:"'~ ~ ,., /" / ,... ,m~ ;:': C;- 'C-,;,~'-: ..... Victoria Aldridge ( /~:,2,. L,",; ~ ~,'~.-,~':::3.~C ' 'NFORHATION CONTROL ~ / '" Wel I Records LR2-1 A un;l al the miglnoi Seondo,d C~l C~pony Founded ,n Cle-elond. Ohm. 0n 1870 ARCO EXXON PHIl. LIPS TO: PDBY Svsuems (Transmittal Only) sYSTEMS (Transmir,:tai & Tape) ARCH I VE S SAPC }~GNETIC LIS TAPES & LISTINGS STANDARD .fll_ /Ik~'JN ['b,!( '.){ ")t.J( ' [[(, l')hJ Date: 03/11/88 T#: 78645 The following material is b~ing submitted herewith. Please acknowledge receipt kyf signing a copy of this letter and returning it to this office: CH-CNL 03/05/88 #1 10796.5-11864.91 Sch #72630 Tape Pos#05646 1600bpi ~-dZ~~-~ -~~~4' -/o 7~- i/~z/ * EXXON' An Asterisk (*) next to a listin have received the 'Fa service company. Received Date the o,,gmol eans you should 'rom the respective Victoria Aldridge INFORMATION LD~iROL Well Records LR2-1 Standard Alosko Produc ~ion Compon./~, 900 East Benson Bouil J PO Box 196b1~ Anchorage, Alaska 99.,519-6612 (907) 564-51 I I INDEXED DALLAS ARCO CHEVRON ........... - .... - .......... D~te: 03/01'/88 EXXON ~0: TEXACO ~#: 78610 MARATHON MOBIL PHILLIPS STATE 017/ ALASI~ GEOSCIERCES REFERENCE: ,. STANDARD ALASKA PRODUCTION SAPC OPEN HOLE FINAL LOGS The following material Is being submitted herewith. Please acknowledge receipt by slgnlng a copy of thls let?er and returning It to this offlce: DAL./UNIT/STATE: Mudlog 02/01-14/88 10880'-11740' Westlog 2" STATE ONLY: Magnetic Single Shot Directional Survey Date: Gyroscopic Directional .Survey' Date: " !i F°u~ed in Clevelo~. ~io. in 1870. ~; ~h~r~n~ DIRECTIONAL SURVEYS Job#: Job#: Victoria Aldridge INFORMATION CONTROL Well Records LR2-1 Stonda~d AIoska Product;on Compa ny.~ 900 Eost Benson Boule Anchoroge. (907i 564-51 I DALLAS ARCO CHEVRON ' XXo TO: TEXACO MARATHON MOBIL' PHILLIPS STATE OF ALASKA GEOSCIENCES REFERENCE: INDEXED STANDARD ALASKA PRODUCTION Date: 03/01/88 T#: 78608 SAPC OPEN HOLE FINAL LOGS The following material Is being submitted herewith. Please acknowledge receipt by signing a copy of this letter and returning It to thls offlce: DAli/UNIT / STATE~GEOS: SFD/CNL poro 02/15/88 t/l&Repeat 10910-11607 NL 5" CNL-raw 02/15/88 " " " " NL 5" EWR/OR 02/15/88 " " " " NL 5"/2" ARCO/EXXON/Geos. ONLY: C-31 SS/TVD 02/15/88 #1 8292-8994 · ARCO/EXXON/PHILLIPS/STATE ONLY: C-31 NL MWD tape . 02/24/88 10873-11741 NL 2"/1" STATE ONLY: ~ DIRECTIONAL SURVEYS Magnetic Single Sho tiona~ Survey Date:l-21-88 Jobfl:A-0188-021 Oyrb'scopicDirectio L Te CElV Dat~.~Z-18-88 Jobfi: 72604 Recel~ ' ~ ~ ~ ~v~t~ ~ ~q~n ~.~toria Aldridge ~'~ Wel I Rec~ds LR2-1 Dale Ancflomge A unit ot the or~g;~l 5londor ~ounded ~n Oe~elond. ~o. m 1870. Standard Alaska (;~)0 Eos! Ben~on Boulevo~i P.O Box 196612 Anchoroge,. Alosko 99519-6612 19071 564-511 I INDEXED DALLAS ARCO CHEVRON EXXON TO: TEXACO MARATHON MOBIL PHILLIPS GEOSCIENCES REFERENCE: STANDARD ALASI<A PRODUCTION Date: 02/25/88 TI: 78602 SAPC -CORE DATA The following materiel Is belng submlY$ed herewlth. Please acknowledge receipt by signing a copy of thls letter and returning IY to thls office: DAL/UNIT/STATE: Core Orientation Report 02104-11188 11290-11610 cores ]/1-7 10 pgs. STATE ONLY: DIRECTIONAL SURV~ Magnetic Single Shot DArectic~al %urvey Date: /~' Job]/: Gyrb'scopiC Direction~S~~l~p. ~ Job]/ Received ._.n ~. ~__.~ ~ ~' ~' [ ~ Victoria Aldridge Date ! ~ ~ .... ~cmmi~9~:~, We I I ~cords LR2- I Founded m Cle~elo~, ~. in 1870. Standard Alaska Production Company ~ 900 Eo$! Benson Boule;~ ~ P.O. Box 19661:2 ~ Anchofoge. Alosko 99519-6612 (907) 564-5 ! I I INDEXED DALLAS ARCO CHEVRON STANDARD ALASKA PRODUCTION EXXON TEXACO Date: 02/22/88 TO: MOBIL TI: 78568 PHILLIPS GEOSCIENCES REFERENCE: SAPC CASED HOLE FINAL LOGS The following material is being submltted herewith. Please acknowledge receipt by signing a copy of this letter and retudning it to this offlce: CBT 02/18/88 #1 _%690.11655 Sch 5" CET 02/18/88 #1 10600-11675 Sch 5" d~' i"&~Or~gg m Victoria Aldridge Date !gSt,~l 0 Co miss[c;, I NFORHAT ION CONTROL Wel I Records LR2-1 A unit of the ong;n°l Standard Od Co,npony Founded ~n Cle,elond. ~o. ~n 1870. AI'F_3 1SE NQF.:TH SLEIPE ~,49 P~32 %,.,,, ~ i FLUID .~;CUMULATOIa VOLUME TYPE: r:..] WEJ~KLY FLANGE UP SOHIO PETROLEUM :COMPANY BOP EQUIPM~ ~¥ I~PORT BOP 8 :L. ¢~T ALL iT'~$ TOP TO GOTTOMo MANUFACTURER AND TYPE, ~ZE OIF RAM~, ETC; PiPE hAM PiPE RAM CHOKE MANtF. KELLY COOK . ~'4.,,.--'- . I ,. i ~NStOE {..KELL¥.~OSE ,.---: J.. KiLL LiNE TEST TEST TIME ACCUMULATOR & PUMPS C, LO~NG TIME ACCUMULATOR ONLY ..... ~LC~-~ .............. I ' -~mRO'~" 'I ;OUIPMIENT CHECtKU6T' ,',-~ YES 'NO C~C'---'-'ULATIN~ H.EAiS"O.N rN$tD~ ~OP ON FLOOR & SUBS · ~<&:Ly VALV~ 0,' _..~ .... . .. , ,.. ..... .,,.-- . SPARE KELLY VAL~ STROKE COUNTER OP~NG .,~.~.; .... ..--..~ .. ,,,, =.. T~P TANK ~0t~ STA~N ~.~ ~R.OPE~NE, ' =', ........ '~J-. = ! ~[,KRtTE ON HAND" ,, GEL ON HAND WATER ON HAND ~URFACE MUD VOLUME ._ . HYORAUU¢ OIL ON HAND NITROGEN BACKUP 8¥~. EK)TTLE8 HOOKED UP..AT _. NITROGEN PRE66UPlP- , COMMENTS (itemize COMPLETED AND PUT ON FILE FOR E. ACH BOP TE~rff~- I i · ioua o/~a uo.~aS-:~2~.q~H 'am~O ~3 qsx.& ~o :~u~m:~:~d~(i o:mso~ouH ~P Ilat~ aqa as suo.xa~xado gu~ou~muoo oa :~o~:~d sa~.aua~ I~aUOmU:~aAo~ :~aqao mo:~ ~I Lq pa~nbo:~ sa.~m.xad i~uo.~a~pp~ u~aqo oa paau alq~qo=d oqa mo:xg no~( X~'um~pu~ aou s~op iI~.:~p- oa a~m:~ad ~q~ oq~ it~ap o~ ~x. ma~d :~og uo~.~o~.Idde poao:xdd~' oq~ s~ posolouH ';411 'H~IH 'NII~ 'Iq 'oas 'THS,gZ69 'TNS,0~I~ '~o7 '~ '~IH 'NII~ '~6I 'oas 'q~,~88 '~S,008I 90-88 '-oN ~u~dmoD uo~2vnpo~. ~s~IV P~Pu~2s (/06) 8861 ' O~ Zxenu~F STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION PERMIT TO DRILL 20 AAC 25.005 ~J~'~" '~'~'J' P;)~:; ~ la:' Type of work Drill [] RedrillDIlb. Type of well? Exploratoryl-I Stratigraphic Testl-I Development Oil[] Re-Entry [] Deepe. nI-!I . Service E]~ Development Gas [] Single Zone [] Multiple Zone [] 2. Name of Operator 5. Datum ElevatiOn (DF or KB) !10. 'Field and Pool Standard Alaska Production Company KBE ,, 67feet Prudhoe Bay Field/Prudhoe 3. 'Address 6. Property Designation Bay Pool P. O. ,Box, 196612,,. Anchorage, Alaska 99519-6612 ADL 28306 4. 'L. ocation of well at surface 7. Unit or property Name 11. TYpe Bond(see 20 AAC 25.025) 1800' SNL, 883 WEL, Sec. 19, T11N, R14E Prudhoe Bay Unit At top of productive interval 8. Well number Number 3100' SNL, 5075' WEL, Sec. 21, T11N, R14E C-31 (13-21-11-14) KOO683449-G-14 At total depth 9. Approximate spud date Amount 3120' SNL, 4975' WEL, Sec. 21, T11N, R14E Jan 191988 $200,000.00 , 12. Distance to nearest 13. Distance to nearest well 4. Number of acres in property15. Proposed depth(UDar~TVD) property line ADL 28305 205 feet C,-734 feet 2560 11,717MD 9131TVDfeet 16. To 'be cor~pleted ior deviated wells~KOp :~,-#~2.10218' 30° 17. Anticipated presSUre (see 2o A^c ~,s. o35 (e)(2)) Kickott depth 1200 feet Maximum hole ancjle 45.2 o Maximum surface 3330 pslg At total depth (TVD) 8~00 4390 psi~ 18. Casing program Se.tting Depth s~ze Specifications Top Bottom Quantity of cement Hole Casing Weight Grade Coupling Length M.D TVD M D TVD (include stage data) 20" Cond. 80' Surface 110 110 !8 cu yds concrete 17-1/2" 13-3/8" 68# L-80 Butt 2779' Surface 2809 2680 "3902 cu ft Permafrost ...... 12-1/4" 9-5/8" 47# L-80 NSCC 5352' Surface 5382 4500 2265 cu ft Class G 12-1/4" 9-5/8" 47# L-80 Butt 5463' 5382 4500 10,845 8386 8-1/2" 7" 29# L-80 Butt 1122' 10,595 8188 11,717 9131 316 cu ft Class G , 19. To be completed fOr Redrill, Re-entry, and Deepen operations. Present well condition summary Total depth: measured feet Plugs (measured) true vertical feet Effective depth: measured feet Junk (measured) true vertical feet Casing Length Size Cemented Measured depth True Vertical depth Structural ConductorRECEIVED Surface Intermediate Production JAN ! 8 Liner Perforation depth' measured Alaska Oil & 6as Cons. Commissi0r~ true vertical Anchorage 20. Attachments Filing fee [] Property plat [] BOP Sketch [] Diverter Sketch [] Drilling program [] D. rilli..ng .fluid pr. ogram [] Time vs depth pict [] Refraction analysis [] Seabed report[] 20 AAC 25.050 requirements[] L~271'~ I hereby ca,fy t~~foregoing..~ ,-/~--~ is true and correct to the best of my knowledge/~--///~' Signed ~./'~__-¢~' Title PBU Dr#1in.~ Engineerin.~7 Supervisor Date ~' - /" Commission Use Only P' 'rmit Number lAP' number JApprow ^date See cover letter ~-.~ J50- 0~¢I .~ I~'" ~I U]./20/~8 Ior other requirements C'onditions of approval Samples required [] Yes[~NO Mud Icg required '1"! Yes I~ No Hydrogen sulfide measures [] Yes [] No Directional survey reqmred I-! yes [] No Other: by order of Approve. d by {~. ~ .~, I~.~,~//~~ Commissioner me comm,ssion Dat Form 10-401 Rev. 12-1-85 , plicate Standard Alask~'~ Production Corr~ 900 East Benson":b~,~evard P.O. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 Alaska Oil and Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 Attn: Mr. C.V. Chatterton Gentlemen: C-31 (13-21-11-14) PBU STANDARD ALASKA PRODUCTION January 15, 1988 In accordance with the Prudhoe Bay Field Rules and Standard's policy for drilling the first well on a new pad or a pad previously drilled, a 20" Hydril diverter system was used when drilling the surface hole on C-30 (12-20-11-14). We did not experience any surface gas during the drilling of the 17 1/2" hole on Well C-30 and believe it unnecessary to continue the use of the 20" Hydril diverter system on Pad C. We, therefore, request that Rule 4(b) of Conservation Order No. 145 be waived for C-31 (13-21-11-14). Very truly yours, STANDARD ALASKA PRODUCTION COMPANY T. O. Stagg PBU Drilling Engineering Supervisor TOS/MAW/rh 2349D Well File #17 RECEIVED .~aska Oil & Gas Cons. Commission Anchorage A unit of the original Standard Oil Company Founded in Cleveland, Ohio, in 1870. PROPOSED DRILLING AND COMPLETION PROGRAM WELL C-31 [ 13-21-11-14 ] PBU 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 9.0-9.7 ppg water base mud in the 12-1/4" hole and a 8.9 ppg water base mud in the 8-1/2" hole. Drill 17 1/2" hole to 2828' and cement 13 3/8" L-80/S-95 Buttress casing to surface. Install blowout prevention equipment consisting of 5000 psi W.P. pipe rams, blind rams, and annular preventer. Maximum possible bottomhole pressure is 4390 psi at 8800' TVDss based on original resevoir pressure. Maximum possible surface pressure is 3330 psi based on a gas column to surface from 8600' TVDss and an oil column to 8800' TVDss. Directionally drill 12 1/4" hole to the 9-5/8" casing point above the Sadlerochit Sandstone. Run 9 5/8" 47# L-80 Butt/NSCC casing to within 5' of 12 1/4" TD and cement in two stages: First stage using Class G cement around the 9 5/8" shoe. The second stage to be downsqueezed in the 13 3/8" x 9 5/8" annulus followed by nonfreezing fluid. Directionally drill 8 1/2" hole to top of core interval at 11120' MD. Cut 4" conventional core from 11120' to 11584' MD 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 9.6 ppg. NaCl completion fluid. Test casing and lap to 3000 psi. Tie 7" liner back to surface with 7" tubing. A subsurface check valve will be placed 50' belowbase of the permafrost. Install and test Xmas tree. Displace tubing to diesel. Shut down rig operations for perforating subsequent to rig release. The well will be perforated in accordance with normal practices. Tubing Size: 7", 26#, L-80, IJ4S Note: 1. Set plug in tailpipe of well C-7 until 9-5/8" casing is set in C-31. 2. Performmud-acid stimulation on Romeo interval prior to perforating Tango intrval. D~: 13-J~-88 JAN 1 8 Alaska Oil & Gas Cons. uo~.ss~t.',r,~ 'suo3 su9 '~ I!0 88-NVC-E ~: L~Lt~ L~L~ LL9~ 0S80~ alOH uado ,,E/I 8 aoq$ ;aujq ,,L c~a ,,L alOH ,,~/I ZI ~oqs 6uTs~D ,,8/S 6 S650I S~CI '08-q '#9E ',,L aIoH uodo ,,Z..,,/I LI °oqs 6u!seo .8/£ fi 09IZ 0II 3o~onpuoo H~dMQ QMSOdOHd [~t-II-IE-[I] I£-D ~QMM . . §.O.P. STACK CONFIGURATION 13-5/8 IN. TRIPLE RAM STACK 5000 PSI WP DRILLING ANNULAR PREVENTER i ! I ! RECEIVED JAN ! 8 Alaska Oil & Gas Cons. Commission Anchorage PIPE RAMS I 1, ! I BLIND RAMS IN. KILL LINE GATE GATE I ! DRILLING SPOOL I I PIPE RArdS 1 ! ,! 4 IN. CHOKE LINE HAND HYD. ASST. GATE GATE [ --- Closest Approach Analysis --- Date: 8-~AN-88 Time: 10: 57:09 Search Radius= 200 7 DEQREE LEAD LINE For proposed veil' C-31 [13-21-11-14] Location = W-E S-N TVD(SBS) Top 664508.00 5959422.00 -67.00 Bottom 671044.6& 5959047.70 8887.00 Note: All depths in Feet Belo~ ½elly Bushing (BRB) Closest Approach WELL IDENT /PROPOSED\ /NEARBY\ TVD DEPART TVD DEPART CLOSEST DISTANCE A029-2012300 C-2 1793. 2 78. I 1791. I 82. 6 344. 1 A029-2012600 C-5 111. 6 O. 0 100. 0 O. 0 166. A029-2012700 C-6 11. 6 O. 0 O. 0 O. 0 66. 3 A029-2012800 C-7 1307. 2 2. 7 1296. 0 5. 9 28. 4 A02~-2012?00 C--B 1399. 7 8. 7 1390. 0 8. 3 126. A029-2036b00 C-9 1793. 2 78. I 1891.0 258. 9 7&2. A029-20371 O0 C-10 2168. 6 214. 7 2305. 8 492. 2 719. A029-2038700 C-12 2966. 4 818. 0 3134. I 1253. 9 659. 4 C-23 1399. 7 8. 7 1421. 0 69. 0 455. 8 A029-2081600 C-24 1300. 0 2. 2 1311. I 48. 3 379. 1 A029-208 .I. 900 C-:)5 1200. O' O. 0 1206. 5 10. 6 293. 4 A029-:)083400 C-26 O. 0 O. 0 4.0 O. 0 215. 0 A027-2084300 C-27 O. 0 O. 0 4.6 O. I 156. A029--2086700 C-28 O. 0 O. 0 5. 2 O. 0 104. A029-2147~'00 C-29 399. 3 O. 0 400.0 4. 7 98. A029-2155900 C-32 3718. :3 1574. 4 3727. 7 1571. 5 67. 8 SUMM~RY The cell ~htch comes closest to the proposed ~ell is: Vertical Intersection /PROPOSED\ /NEARBY\ TVD DEPART TVD DEPART 3011. I 862.9 4643.9 9&9.7 ~631.8 503.0 4976.4 1358.5 387~.6 17~9.6 5085.6 2485.3 1609.1 37.0 4862.2 325.7 4594. 7 24:}6. 0 :D, O03. 7 RECEIVED JAN. 1 8 Ataska Oil & Gas Cons. Commission Anchorage VERTICAL DISTANCE 1644.0 2349.6 1~17.0 ~.. 3248.1 410.8 _$1$DUAIO:[DRANOI3]C31_CLOSAP_SHORT, LIS;2 Search Radius= 200 COURSE LINE For proposed veil' C-31 [13-21-11-14] Location = W-E S-N TVD(SBS) Top 664508.00 5959422.00 -67.00 Bottom 670950.32 5958253.88 8887.00 Note: All depths in Feet Below Kelly Bushing (BKB) 8-JAN-1988 10:54 --- Closest Approach Analysis --- Date: 8-~)AN-88 Time: 10: 54:02 Closest Approach WELL IDENT /PROPOSED\ /NEARBY\ TVD DEPART TVD DEPART AO;.~9- 2012300 C-2 1598. 0 34. 8 1594. 6 73. A029-2012600 C-5 1604. 6 36. I 1592. 4 2. A0-~9-201 -~700 0-6 1~33. ~ I~. ~ 14~1. 7 6, AO~9-~O 1 ~BO0 C-7 1~68.6 1. ~ 1~7.3 5. AO~9-RO 1~900 C-8 1303. 4 ~. 4 1~93.8 7. ~0~9-~036600 C-9 I~96. 0 54. 3 1795. ~ ~45. AO~9-R0371 O0 ~-10 ~077. 0 174. 5 ~5. ~ 47~. AO~9-R0387~ C-1~ ~8~0. 6 b71. 3 ~975. 7 1190. A0~-~077500 C-R3 1399. 7 8. 7 14~1. I 69. AO~-~81 bO0 C-~4 1300. 0 ~ ~. ~ 1311. I 48. A0~9-~081900 C-~5 IRO0. 0 O. 0 1~06. ~ 10. A0~9-~083400 C-Ra O. 0 O. 0 4.0 O. AOX-R084300 C-~7 O. 0 O. 0 4. · O. A0~-~086700 ~-~B O. 0 O. 0 ~. R O. AO~9-R147~00 C-R9 399. 3 O. O. 400.0 4. AO~9-~155900 C-3R ~01. 5 O. 0 ~. 8 9. SUMMARY ,,?h~'vell which comes closest to the p?opo~ed Well !· . . . .. · . ; . ..~. .....'f ~.~... ~-.:';~,~L .'i..... ?:.'....~.:~-. ':~ .. CLOSEST DISTANCE 351.0 164.2 65.2 28.6 127.4 769.~ 740.2 749.1 456.7 379.4 293.4 215.0 164.2 96.3 Veetlcal Intersection /PROPOSED\ /NEAR~Y\ TVD DEPART TVD DEPART Page 1 VERTICAL DISTANCE 3343.3 1197.1 ~132.9 13~6.~ 1800.9 2707.8 566.6 5046.6 1449. 5 2343.8 4293.2 21~2,7 5421.9 2968.9 1132.8 1642.2 43.6 4877.8 333.8 RECEIVED JAN 1 8 ,,',,,-, llas!~a Oil & Gas Cons. Anchorage -. , .., 3230.6 '1"1 ~y r~uJc ?I&L TA~K. - Chok~ ~a~l~old - Poor Boy Degasser · - Brand t Vacuum.-Type Degasser - Brand t Dual Tandem Shale Shaker - Pioneer Mud Cleaners - Pioneer MKI Centrifuge "FO WA I'~R TRIP TAI~)~ 75' ~t SAND / ,; VOL(,I t'f E TANK ;TRIB~JT~N D~T"C / " TO T Y P'~ 1 - Recording drilling fluid; pit 'level indica~.0r with both visual and audio warning de~tces at driller's console 1 - Trip Tank (75 BBL.) . 1 - Drilling fluid flow sensor with readout at driller's console 11 - 5 Hp Agita=Ors ~q£ 'mdous dgHgd ~q3 u[ p~pn£ou~ suJ~33ed ~ eq] ~o O~ u~ p~Jnooo seq aq3 3e saaiqo~d [eD~ueq3aa 03 eno 'aiqeL[eAe £L~Ue~an3 si $~o33a~u~ easy ~3a~Oad Lie o~ ~a3s£s uo~3nq~a~s~p ~ue~oa~u~ a[q~3s~ aq3 puc 'S ~jen~qa~ uo pa~e~u~ se~ dgNad eH3 o~u~ p~n[~ aLq~3s~m ~o uo~33a~uI ~ 'ean3~m spooL~e3e~ eq3 se uo~suedxe, e~nbea' ~Le~£ [['~.se~3ede3 5u~Lpueq'~ ae3e~ pe3npo~d eq3 'suo~3e3s. ~u;~eq3 pe~eo~pu~.s3ueae~nbea ~ele~ e3~nos ~o, suo~3e~o~d~'~LeA~3edsad ~OaN'~ OOt['. puc Oa~ "oOS"E .... ae3e~ pe3npodd puc de3e~ ~aoanos.eq3,~o sa~3~oede3 3ua~an3 aql '[euo[3e~edo adc pooL~ele~ e3~nos eq3, ~to uo!.o,e,~edo puc UO.L3e3uewe[da.r do,~ £desse3au sa.r3.Ll.r3eat do.E'etu I.[V .'pa3en[eAe §u~eq os[e cae seeaepooL,~a3e~ ~nO~eq3'~°3:'-~'suo~'Suedxe~dou~N 'QaN 00[-0~ eq ol pe33adxe s~ 3o£[d eq3 ao~ uo~oe[u~ [e3Ol -aleqs eq~ e^oqe ms~ueq3am eSeu~e~p aq3 ~u[33eda[ £[esaa,pe 3noq3~ sa[eqs oSuel snonu~3uo3-~mes Z e3~S [[[aQ puc 3 puc 8 ped [[aR aql u~ suJa33ed 3ods e^[~ ua3 ssedaooua p[no~ 3o[[d aql -~n3ae3s 886[-e3e£ ao~ pauue[d 5u~eq s~ eeaae.~p[e~-p~a.,eqyu~poo[.4~e~e~.~o[[d e,~o uo~3~ppe 'emL~'~ua~dn3 aq3 e4:~ '(dI £-S.~ e43 5u~pnloxe) Zt~d3 'g-S:I a43 sepnL3u,t :~3e?o~td pooL~,~e3e~ eql '[OOd [~0 aoqpn.~d eq3 u~ seede poo[~ aA.rat eql se.r,~.r3uep.r ¥1 3.rq.rqx3 30 ~'_ I0 20 30~ ~ 40 I0 C-38 (Proposed) 6'-4 ! Actual) 20 30 (Propped) Ig~ C-37 ~| _~1 .c-35 NE ~RNER OF PAD LONG. 148°59'54,25" Y= 5,9.~193 X = 664, 8:58 I I© I 02 ,_ 3035' Io' S ___ C-2 (Proposed) ( ~ctuol ) 512' 577' Cr6 . SCALE I' I/2' Mi. C- --/ 25-18-11-14 41 -/B-//-/4 42-/,9 - II- 14 $4 -/$ -/I -/4 24-/7-11- 14 25-20- II-I~ llert. 4~¥9-II-14 11-20-11-1,; 1£-20-11-14 25-I~-II- MI 32-~0- II- Id 31- 24- II- 13 13-21- H-Id 41- $0- II- 14 41-29 -11-14 41- 25-11- I$ 620' .PAD, DETA,I.L SCALE I" = CERTIFICATE OF SURVEYOR I hereby certify fha ! am properly licensed fo practice land surveying in the State of aska and that this plat represents a location survey made by m~ under my supervision, and that all dimensions and other details are correct, i~s~ O~t & 6~s Co~s. Date SURVEYOR REVISED 0-31 TARGET LOCATION ~ ~-15-88 REVISED C- $0 TARGET 8 SURFACE LOCATION .~F~ 12-18-87 REVISED C-:38 SURFACE LOCATION ~(-~Q~_ :3- 17-86 ADDED C-:38 (PROPOSED) :3 - 7- 86 REVISED C-:32 TARGET LOCATION C~, 2- 28- 86 REVISED C-:35 SURFACE a TARGET LOC., DELETE C-31 TARGET C.- 2- !$- 86 REVISED C-31 TARGET LOCATION, DELETE 6-35 TARGET LOC. ~ REVISED C.-34 SURFACE LOCATION REVISED C-29 & C30 SURFACE LOCATION REVISED *C-32 a c-:53 BHL ~DDED C-33, 34, 35 ~ 37 (PROPOSED) · ADDED C-32 (PROPOSED) ADDED C-30 (PROPOSED) ADDED C-29 (PROPOSED) ADDED C-31 (PROPOSED) REMOVED ALL REVISION DATES PRIOR. TO -1980 2 -12 - 86 2-11 86 I - 16 -86 I - 14 - 86 II - 15-85 10-23-85 I0- 8 - 85 9- 3 -85 8 - 3O - 85 8 - :50 - 85 PAD "C" NE I,~1. PROTRACTED SE~'-~fGTT~. in R,141r. UMIAT MER. ALASKA Surveyed for B.'P ALASKA INC, Surveyed by ' F.M. LINDSEY 8 A SOC LAND 8 HYDROGRAPHIC SURVEYORS ' .. 2:502:West Northern Lights Boulevard Box 4-081 Anchorage AIosl ITEM (i) Fee (2) Loc CMECK LIST FOR NEW WELL PERMITS Company ~-~b~,~,~ ~{~a~ P'O~~~ ~, Lease & Well No. YES NO I. Is the permit fee attached .......................................... /" '" . (3) Admin APPROVE DATE (2 thru 8) ' (8) (9 thru 13) (10 and 13)' (4) Cass 4/tf.~ I-I?-~ (14 thru 22) (5) BOPE ~I',~.~I~, /.}oI.Oe9 (23 thru 28) (29 thru 3'1)- 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 .................... w/ ,.. 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 ...................... e 10. I1. 12. 13. 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. Is conductor string provided ........................................ Will surface casing protect fresh water zones ....................... ,,~ 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 ............................ ,,~ 23. 24. 25. 26. 27. 28. Is a diverter system required ....................................... Is the drilling fluid program schematic and list of.equipment adequate~-- Are necessary diagrams and descriptions of4~4~ BOPE attached./f4~ Does BOPE have sufficient pressure rating - Test to Does the choke manifold comply w/API RP-53 (May 84) .................. , , Is the presence of H2S gas probable ................................. For 29. 30. 31. 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 C REMARKS (6) Add: Geology: Engineering: WWB V~J J~ LCS .... ~_-,:,, BEW/' rev: 01/28/87 6..01I 32. Additional requirements ............................................. i'NITIAL GEO. UNIT ON/OFF POOL CLASS STATUS AREA NO. SHORE 0 ~0 Well Histo.ry 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 roadability of the Well History file and to simplify finding information, information, of this natUre is accumulated at the end of the file under APPENDIX: No special'effort has been made to chronologically organize this category of information. elOH peseo td~)lNO ~66 ~ - Jeqo~,oO - 8 ~ : ~ unld 0080 ~66t O[ AON ~tq~~~ :L$1~' D N~~ H~H~ ~H~tIHSN~ ~NHq~AI~OH 0'6960I ~'8960I 0'§960I 0'I960I ~'8§60I 0'9960I 0'§~60I ~'~960I g'~C60I 0'0g60I §'8160I ~'LI60I G'gt60I HDHD 00'ti 00'ti 00'£9 00'g£ &HDIHM DNISVD 0'09£II 0'86g0I 0'6980I 0'~gSg (~) HZa~ SHH~IH~ 00S'S 00G'S gE9'6 SAC'CI (NI) aZIS 9NISVD 0g'£g 08'99 08'/.9 008I NII 6I · ONI g'0/.60I 0'0/.60I ~'9960I §'E960I 0'0960I §'£960I 0'/.960I §'9960I 0'/.C60I g'0E60I 0'6160I g'8160I g'gI60I HAaHO HNIq~S~8 SMS :AN~dNOD DNIgDOq 88-N~£-IE :GHDDOq :HHMN/1N SSVd :HHSW/1N HD :~GOD HAH~ID QMI4 :HQOD ~OOA SA~IHS HO~ HAH~D HNI~S~ GH~GN~S O~ S~SS~ ~qV - ~G ~tIHS ~AH~D DNIHAS NOIAD~GOHa DNIHIS DNIHAS DNIH~S ASI (NI) aZIS HqOH N.~O GHOD~H 9NIS~D :~HAH~ GN~OH9 :HO0~ HDIHH~G :ONIHS~ (o ~s~ ~o~ :qM~ :qS~ :qN~ :HDNkq/ :~IHSNMOA :NOI~DHS NOIAVDO~ :SS~NAIM HO~tfMHdO :HHHNIDNH DNIDDO% :ANVd~OD DNIDDO% :HH~NflN :HN%fN SDO~ HNI~HHIM H~OH · IN/I A~ HOHQ~Hd Sl : ~dA~ sT 10976.0 10984.0 10993.5 10994.0 10996.5 10997.0 11011.5 11012.0 11012.5 11013.0 11035.0 11036.5 11040.5 11046.5 11048.0 11050.0 11054.5 11061.5 11070.5 11080.5 11082.5 11083.5 11097.0 11144.5 11I~9.5 11157.0 11166.0 11174.0 11175.0 11180.0 11183.5 11188.0 11189.5 11191.5 11195.0 111,96.5 11199.5 11205.0 11336%5 11399.0 11339.5 11363.0 11363.5 11367.0 11384.5 11391.5 11398.0 11399.0 11400.0 11406.5 11437.5 11457.0 11468.5 11469.5 iI471.0 11477.5 11509.0 11521.5 11522.0 11523.0 105-J.O 10983.0 10992.0 10992.5 10994.0 10995.0 11009.5 11010.5 11011.0 11012.0 11033.5 11035.0 11039.0 11044.5 11046.5 11049.0 11052.5 11059.5 11069.5 11079.5 11080.0 11081.0 11095.5 11143.0 11147.0 11154.5 11164.0 11172.0 11173.0 11178.0 11181.5 11186.5 11188.5 11189.5 11193.5 11195.0 11197.5 11203.0 11335.0 11337.5 11338.5 11362.0 11363.0 11366.5 11383.5 11390.5 11397.5 11398.5 11399.0 11405.5 11436.5 11456.5 11468.0 11468.5 11470.0 11475.0 11508.0 11520.0 11520.5 11521.0 ~LflO' ~IHO~.AX6 ~ / Ndd 0'0 = AAINI~S ~O SNOIAOHkF60D DNIS~D .~E9'0I = NOIAOHHHO3 HHdIq~D ~O NSIH3 'XIH~k~4 HNOASGN~S :SHH~kr~H~d 90~ NOH~HN 'DNIDDOq O& HOIH~ 'q~HM SIHA HO~ HDNHHH~H HAdHG HHA S~ GHS~ S~M GM/4 NOH~ HAH~D HD HHA 'AS~H s,d~ A~ '88-Hk~4-~0 GH~G qND OA GHIA DO~ 'alOH pase3 HD/ND ~'~C9II 0'gC9II 0'9g9II 0'919II ~'919II 0'909II 0'§09II 0'909II ~'68~II 0'88~II 0'~' -~II 0'£~9II 0'6C9II HAdMG dO~S 0'96LOI 0'~SLOI HAdM~ AM~AS HDHD :MGOD SA~IHS MOM HAH~D SS~ O~ SS~ - ~G ~IHS MAMBO 8I~E HDHD aao3 uoo~ AH~NNfIS H~I~ 000~'0 :~N~NHHDNI Hi~ I :HH~N~N SS~ 's~IIg ~$eaed~s uIuna qoe~ aog S~AInO p~dd!Io pue p~!qs q~d~g ~ SEAHflD GH~IGH I :HH~H1N ~qI~ '~C9II 'Eg9II '9Z9II '919II '~I9II '909II '§09II '~09II '68§II '88§II '£9§II 'g~§II 'Ig§II 'Og§II 'Og~II '80§II '££~II 'O£~II '89~II '89~II 'g§~II '££~II '9g~II '~O~II 'IO~II '§6CII 'C6CII '06£II '£SgII '~9CII '6~CII '6~gII '~gII 'SCgII '£CgII '~£CII '6CgII 'gOgII '66III 'g6III '06III '88III '98III 'I8III '8£III 'C£III 'g£III '~9III '~III '£~III '£~III 'IOIII '§60II 'ISOII '080II '6£0II '~£OII '~*OII 0'6~9II §'9£9II 0'6g9II ~'819II 0'919II ~'£09II 0'£09II 0'909II O'g6~II §'06~II 0'9£~II 0'69~II g'C§~II O'£g~II O'gg~II ~'Ig~II 0'60~II 0'84~II O'I£~II §'69~II ~'89~II O'g~II O'£C~II 0'9g~II §'90~II O'gO~II 0'£6~II O'~6CII O'I6£II 0'£9~II 0 'I9£II § 'O~CII S'9~CII ~'6gCII 0'6CCII § ' 9CCII § 'I~gII 0 '§OgII ~ 'IOgII O'~6III O'g6III ~'68III 0'88III §'£SItI O'08III O'§£III O'~£III 0'99III O,£§III ~'6~III §'~III ~'COIII 0'£60II G'g80II ~'gSOII §'080II 0'9£0II §'OLOII ~ sa~Xq ~9 :q~6u~I paooaa mnm~.u~.~ · ''sploDaI 9~ E :oI!~qns smn$~p £980I 89 :apoo daH :Aa~mmns 6u!pooap apoo uo!$~$uasaadaa SI7 00000G'0 = 6uTo~ds IaAa~ aIT~ 000000'~LLOI = q~daG puH aI7~ 000000'089II = gsdaq ~a~$S aI!M OE ~9 0E£ 98 ~ g9 0E£ 98 ~ ~9 0E£ 98 9 ~9 0EL 98 9 ~9 0E£ 98 9 po~ SlO dAA dAA g~Su~ s$~u~ saldm~s apoo IOOA ~m~N :SaAInD § ~ :GI g~dap HI4k~ HH~ HAdHG HNO (99 #~A~) GHOD~H ~J.a~IO~ ~ ino- a~HO~&&./ N~OD N~ NM ND 'A~q{ ~fD H~OH NHdO OA G~HDA~ HAdMG S~M HDHD 'IH~N HAIM GHAMIHS MHHM SNHA 9 'ADaN 'I SS~d : S >IH~q4HH Tape Subfile 3 is type: LIS FILE HEADER FILE NUMBER: 2 EDITED CURVES Depth shifted and clipped curves for each run in separate files. PASS NUMBER: 2 DEPTH INCREMENT: 0.5000 FILE SUMMARY PBU TOOL CODE GRCH 2418 $ CURVE SHIFT DATA - PASS TO PASS BASELINE CURVE FOR SHIFTS PBU CURVE CODE: GRCH PASS NUMBER: 1 START DEPTH 10784.0 10796.0 BASELINE DEPTH GRCH 10785.5 10786.0 10787.5 10788.0 10801.0 10860.0 10859.5 10871.0 10882.0 10886.0 10885.5 10886.5 10897.5 10900.0 10904.0 10904.5 10903.5 10911.0 10913.0 10914.0 10915.0 10923.5 10928.5 10944.0 10946.5 10947.0 10946.0 10947.5 10948.0 10946.5 10948.5 10949.0 10956.5 10957.0 10964.0 10965.0 10965.5 10964.0 10966.0 10965.0 10967.5 10968.0 10967.0 10968.5 10968.0 10969.0 10968.5 10970.0 10969.0 10971.0 10969.5 STOP DEPTH 11639.0 11647.0 (MEASURED DEPTH) EQUIVALENT UNSHIFTED DEPTH NPHI 10800.0 10869.5 10881.0 10884.5 10897.5 10899.0 10902.5 10909.5 10911.5 10912.0 10913.0 10921.0 10926.0 10943.0 10945.5 10946.0 10947.0 10948.0 10955.5 10956.5 10963.0 10964.0 10964.5 10965.0 10966.0 10966.5 §'80III ~'£OIII 0'90III §'§OIII 0'£60II §'960II 0'8£0II ~'gtOII 0'9£0II O'C£OII O'gtOII 0'890II g'990II ~'~90II O'~§OII ~'E~OII O'O§OII 0'£90II O'~90II O'~OII g'~OII §'I~OII O'g~OII §'9~OII ~'O~OII O'O~OII 0'6IOII §'~IOII ~'~IOII §'~IOII O'~IOII g'800II 0'800II O'~OOII §'~OOII §'IOOII O'IOOII O'O00II 0'g660I 0'g660I 0'6860I §'80III ~'860II 0'860II g'960It §'§60It O'080II 0'690II ~'£~OII O'~gOII O'IgOII O'~£OII g'9£OII ~'gIOII O'IIOII §'OIOII §'9660I 0'9660I 0'££60I g '9460I g 'g£60I g'9460I g'C£60I g'? '~OI O'OIIII g'60tII 0'80I~ 0'£0~ O'OOIII 0~'660~I s'86oZ~ g'£60II 0'£60II O'I80II 0'6£0II 0'9tOII O'G£OII 0'9£0II G'ELOII O"O£OII ~'690II ~'£90II ~'990II ~"6§OII O'£~OII o'~o~t 0!'990II ~'9~OII §'~£OII 0'9£0II §'£~OII O'£EOII 0'9EOII O,EEOII O'IEOII O'OEOII g'~iOII O'gIOII 0'gIOII ~'~IOII 0'SIOII O'EIOII ~,'OIOII ~'600II g'900II §'£OOII ~'EOOII g'IOOII g'O00II ~'9660I 0'9660I 0'g660I g'9660I 0'I660I 0'8£60I 0'£460I 0'9£60I ~'~460I g'9£60I 0'9460I §'g££II §'99gII § '§9gII 0 '§9£II §'~9£II O'~9CII 0 '09gII ~'6~CII 0 0 'I§CII ~'gI£II 0 ' 66EII ~'86EII 0'86gII ~'£6gII O'£6gII O'gSgII ~ 'ISgII 0 'I8gII ~'g£gII O'g£gII 0 'I9gII §'09gII ~'~gII O'~gII O'gIgII §'80gII ~'~OgII 0'86III ~'~6III O'g6III 0 'I6III O'~£III 0 ' C£III ~ 'I£III O'£9III O'g9III O'~III O'£CIII 0 '9CIII O'£gIII g'60III 0'60III §'~£II O'~CII g'£c£II O'££gII §'9C£II g'6CgII §'OOgII O'~6III ~'~SIII S'IgIII O'~9III ~'g~III §'I~III §'SEIII O'CEIII 0'£09II §'66~II 0'66gII g'86gII O'g6gII g'O6gII §'88§II 0'88gII g'~£gII §'E£gII g'6ggII g'sggII 0'Sg§II o'£g§II 0'6~§II S'8~§II g'£~gII O'£~gII O'g~gII O'8IgII O'£OgII O'g9~II g'~9~II O'~9~II g'E9~II 0'6§~II O'~g~II g'E§~II O'£~II g'9~II O'g~II g'~II O'IE~II O'gI~II g'EI~II O'EI~II §'OI~II g'60~II 0'60~II g'gO~II §'88£II 0'885II O'~8~II 0'~8£II §'££~II 0'66git 0'96git O'g6§II O'OE§II O'£IgII O'OIgII 0'60gII 0 ' 66~II g'86~II § 'I£~II g'66gII g'86£II 11609.0 11609.5 11610.5 11611.5 11617.5 11637.0 $ REMARKS: 11616.5 11634.0 11607.5 11608.0 11608.5 11609.0 PASS 2. FUCT, NUCT, & TENS WERE SHIFTED WITH NPHI. CN WN FN COUN STAT /??MATCH2A.OUT /??MATCH2B.OUT $ : BP EXPLORATION (ALASKA) : C-31ST (21-11-14) : PRUDHOE BAY : NORTH SLOPE : ALASKA * FORMAT RECORD (TYPE# 64) ONE DEPTH PER FRAME Tape depth ID: F 5 Curves: Name Tool Code Samples Units API API API API Log Crv Crv Size Length Typ Typ Cls Mod 1 GRCH 2418 68 1 GAPI 4 2 NPHI 2418 68 1 PU-S 4 3 FUCT 2418 68 1 CPS 4 4 NUCT 2418 68 1 CPS 4 5 TENS 2418 68 1 LB 4 4 86 720 65 6 4 86 720 65 6 4 86 720 65 6 4 86 720 65 6 4 86 720 65 6 20 * DATA RECORD (TYPE# 0) 1014 BYTES * Total Data Records: 44 Tape File Start Depth = 11680.000000 Tape File End Depth = 10775.000000 Tape File Level Spacing = 0.500000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 10867 datums Tape Subfile: 3 301 records... sa~Xq ~9 :q~buaI paooaa mnm~x~ :qsbuaI paooaa mn~u~ Tape Subfile 4 is type: LIS FILE HEADER FILE NUMBER: 3 EDITED CURVES Depth shifted and clipped curves for each run in separate files. DEPTH INCREMENT: 0.5000 FILE sUMI~Ry PBU TOOL CODE GRCH 2418 $ ~RVE SHIFT DATA - PASS TO PASS BASELINE CURVE FOR SHIFTS PBU CURVE CODE: GRCH PASS NUMBER: 1 BASELINE DEPTH 10820.5 10821.0 10836 0 10859.5 10864.!5 10865.5 10869,5 10882.0 10886.0 10886.5 10887.5 10888.0 10895.0 108.97 0 10904.0 10906.0 10907.0 10908.5 10916 5 10919'0 10920.0 10922.0 10927.5 10929.0 10946.0 10947.0 10952.5 10966.5 10967.0 10979.0 10989.5 10990.5 10995.0 1'0996.0 · 10997.0 11003. ~5 11~oo9. o START DEPTH 10789.0 10801.0 GRCH 10820.0 10820.5 10836.0 10859.5 10864.5 10865.0 10886.0 10886.5 10887.0 10904.0 10906.0 10906.5 10918.5 10922.5 10927.0 10945.5 10946.0 10965.5 10966.5 10989.0 10989.5 10995.0 10995.5 11002.5 STOP DEPTH 11639.0 11647.0 (MEASURED DEPTH) - EQUIVALENT UNSHIFTED DEPTH NPHI 10867.5 10880.0 10885.0 10895.0 10897.0 10902.0 10907.5 10914.5 10919.0 10927.5 10951.5 10978.0 10994.0 11003.5 11007.5 0'~8£II 0 0 ' ~zLE:II O' [:L[:II: ~' 99[:1:I 0 '~9gII ~'~9CII O'~9CII ~ 'I~CII 0 'I~£II 0 'O~CII ~'9gCII 0 '9g£II ~ '§g£II 0 'O~gII 0 'OOgII ~ 'I6IiI § '98III 0'8£III 0'6£III O'gOIII 0 ' §£OII §'8~OII § 'O£OII 0 'OgOII ~'L8CII O'L8CII ~'98~II §'99£II ~'~9glI ~'L~£II O'L~gII 0'9~CII O'~£II §'6C£II 0'6[gII 0'8£gII 0'£5[II 0'9g~II ~'~OEII O'£8III §'8£III §'~4III O'~£III 0'960II §'ISOII O'080II 0'6£0II ~'690II 0'890II §'090II O'~OII §'6~OII 0'6~OII ~'~OII 0'£50II O'E£OII §'~EOII ~'OEOII ~'L8£tI O'L8[II ~'98~II 0'E8£II §'I8£II ~'~L[II O'~L~II ~'89~II §'L9[II §'.99~II O' 0'~9[~ 0 · I~II 0'8~II 0'£~5II 0'9~II ~'~£II O'~CII §'I~£II O'I~EII O'O~II 0'6~EII 0'8££II ~'£££II §'9C£II 0'8E£II §'9E~II ~'I~EII ~'~OEII ~'IOEII O'E6III 0'88III O'~SIII O'08III ~'6£III O'~£III O'~£III 00~III O'~OIII 0'£60II §'ISOII O'080II §'6£0II 0'9£0II O'O£OII 0'690II ~'I90II ~'9~OII O'O~OII O'O~OII 0'9£0II §'E~OII 0'££0II ~'I£OII ~'~EOII O'IEOII §'OEOII §'~IOII g 'I6glI 0 'I6CII g'88CII 0~ 9 G9 08£ 98 ~ 9 G9 0~£ 98 ~ 9 G9 0~£ 98 ~ 9 ~9 0~£ 98 ~ 9 ~9 0~£ 98 ~ po~ sIO dAA dA~ g$6ua~ az~s SdO I 89 819E ~N S-~d I 89 819E IHdN Id~D I 89 8I~E HD~D I ss!uti s~Idm~s ~poD IOOA em~N :s~AanD § (~9 #~%,T,) G%tOO.q%I ~fI4%tO.~ ~ . A~f,T,S : NflOD : NM : NM : ND 'IH~N HAIM GMA~IHS MMMM SNMA ~ 'ADEN '~D~ '~ SS~M 0'g~9II 0'~g9II §'I£9II 0'£I9II 0'§I9II 0'019II 0'609II §'809II ~'£09II §'909II 0'L09II ~'909II §'~09II §'66~II ~'86~II ~'86~II 0'86§II §'£6~II §'£6~II 0'£6~II §'96~II ~'§6~II 0'~6§II 0'£6~II ~'E6GII § ' ~9II 0'££9II O'~CgII 0'ST9II §'§IgII ~'II9II §'OI9II §'609II ~'809II 0'809II ~'£09II §'909II 0'I09II ~'009II 0'009II g'6~gII 0'66gII g'86§II 0-86gz~ 0'£6§II 0'96§II 0'g6§II 0'~6gII * DATA RECORD (T~_~# 0) 1014 BYTES * Total Data Records: 44 Tape File Start Depth = 11680.000000 Tape File End Depth = 10775.000000 Tape File Level Spacing = 0.500000 Tape File Depth Units = Feet **** FILE TRAILER **** ~LIS representation code decoding summary: Rep Code: 68 21734 datums Tape Subfile: 4 ~iMinimum record length: MaXimum record length: 259 records... 62 bytes 1014 bytes 0'~660I g'g660I 0'0660I §'I660I 0'9860I 0'9860I 0'8L60I §'6L60I 0'I960I 0'£960I 0'I960I 0'E960I 0'8§60I 0'0960I 0'9§60I ~'£g60I §'~§60I g'9§60I 0'9960I 0'8960I g'§~60I 0'£~:60I 0'~960I ~'9960I O'I~60I 0'[~60I g'Eg60I g'g~60I §'IC60I §'gC60I 0'£E60I 0'0~60I g'gg60I §'8E60t §'~g60I 0'8E60I §'9E60I g'Lg60I §'8160I g'6160I §'CI60I 0'£I60I §'II60I g'~I60I 0'~060I §'£060I §'~060I 0'~060I §'I060I g'£060I 0'6680I g'00~60I g'g680I g'£680I g'£680I g'~680I g'0680I g'~680I g'6£80I g'E880I 0'I880I 0'E880I 0'0980I 0'I980I 0'9§80I g'9g.80I §'9180I 0'9£80I 0'IESOI g'EESOI g'EI80I §'£I80I HDHD HAdHO HNIqHS¥~8 IHdN HAdHO OHA~IHSN~ (HidHO OHHaS~HN) 0'£99II 0'6g9II HAdHO dO~S · saI!g a~wa~das u! una qo~a :HHM~qN SS~d HDHD :HOOD HAHfiD S~IHS HO~ HAHfiD HNIqHS~ SSVd OK SSVd - ~O ~IHS HAH~D 0'I080I 8I~E 0'68LOI HDHD H~HO ~H~S HOOD qO0~ 000~'0 :ANHNHHDNI 9 :HH~WJIN SS~ SBA/nD p~dd!IO pu~ p~g!qs SHAHnD 9 :HH~W/1NH~I~ HHOVHH H~I~ SIT :~dA$ sT g ~i!gqns ~d~A O'£6III O'~6III O'§SIII §'9£III O'O£III 0'69III ~'6~III 0'9§III §'~III ~'~III O'O~ItI ~'g~III ~'I£III ~'£OIII O'£OIII 0'90III ~'§OIII §'960II 0'960II O'~60II O'C60II O'I60II §'8£0II ~'6~OII §'ggoII O'E£OII O'I~OII O'~EOII ~'~EOII ~'EEOII O'OEOII O'~IOII §'£IOII §'IIOII §'£OOII 0'900II §'§OOII O'TOOII g'86III 0'88III 0'98III O'££III O'g9ItI O'£~III §'8~III G'LEIII O'EOIII §'~60II ~'£80II ~'~40II O'~90II O'~OII 0'6~OII §'9~OII O'~OII 0'6£0II O'OgOII N'§EOII 0'6IOII O'gIOII O'IIOII ~'IOOII O'IOgII O'OOgII ~'96tII §'68III O'$SIII ~'LSIII ~'64III 0'64III §'E£III O'E£III O'~9III ~'g9III §'6~ItI 0'6GIII ~'8~III O'~III ~'6~III ~'~ItI ~'O~III ~'£~III §'6EIII O!!'OItII ~' 6o~ 0'60III 0'80III o.~O~ 0'660ii 0'860II 0'960II g'g60II g'g60II O'060II s-oeo~ 0'9£0II 0'990II ~'9§OII ~'I~OII ~'OGOII 0'8~OII O'I~OII 0'6£0II ~'$£0II O'~COII O~g£OII 0 ' 8EOI!I 1 ~ 0 ' £EOII O'~EOII O'EEOII O'IEOII 0'9IOII O'~IOII ~'~IOII O'gIoII O'OIOII ~'800II ~'£OOII ~'gOOII O'£OOII 11205.0 11206.5 11209.5 11218.5 11219.5 11221.0 11235.0 11236.0 11240.5 11241.5 11244.0 11244.5 11245.0 11245.5 11246.0 11247.0 11271.0 11275.5 11276.5 11300.5 11301.0 11302.0 11303.0 11304.0 11305.0 11305.5 11307.0 11307.5 11320.0 11322.5 11323.5 11329.0 11336.5 11338.5 11339.5 11348.5 11350.5 11351.0 11351.5 11355.5 11356.0 11356.5 11359.5 11362.0 11363.0 11366.0 11367.0 11368.5 11373.0 11374.5 11375.0 11375.5 11376.5 11384.5 11390.5 11397.5 11399.0 11399.5 11400.5 11401.5 11221.0 11238.0 11239.0 11270.0 11335.5 11337.5 11338.0 11347.0 11353.5 11354.0 11355.0 11365.5 11383.5 11203.5 11207.0 11216.0 11216.5 11232.0 11232.5 11240.5 11241.5 11242.0 11243.0 11243.5 11244.0 11268.5 11273.0 11273.5 11298.5 11299.0 11299.5 11300.0 11300.5 11301.0 11302.0 11303.5 11304.0 11317.5 11320.0 11320.5 11326.0 11347.0 11349.0 11350.0 11350.5 11357.5 11360.0 11360.5 11363.5 11364.0 11365.5 11371.0 11372.5 11373.5 11374.0 11375.5 11389.5 11395.5 11397.0 11398.0 11399.0 11399.5 0 'I6§II g '06§II 'gL§II g'~£gII 'I/.gII 0'6§gII §'Sg§II g'gggII g'g~gII O'£~gII '8EgII O'£E§II O'~O§II '§6~II g'~6~II O'~6~II 0'£6~II ' E6~II 0'88~II g'£8~II §'08~II §'6£~II 0'6£~II g'~9~II O'~9~II g'E9~II g'Lg~II O'/.g~II g'9§~II O'~§~II g'~II O'E~II O'~E~II g'EI~II O'EI~II 'II,II 'II,II 0'60~II '§O~II g'88§II O'LSgII O'~£~II §'[LgII O'££gII g'89gII 0'89gII g'£9gII O'§9gII O'~9gII g'~9gII O'E[gII g'OEgII g'EIgII O'L9~II § '99~II 0 '9g~II 0 '~O~II O'~O~II g'g6§II g'g6gII g't6gII g'O6gII g'68gII O'LLgII g'9LgII 0'9L§II g'gLgII O'§L§II O'£LgII O'ILgII g'OL§tI g'69gII O'L9gII g'99gII 0'99gII O'09§II g'8g§II g'gggII g'9~§II O'er§II O'~g§II §'6ggII g'SggII g'EEgII ~'~IgII g'gO~II g'£6~II 0'£6~II 0'96~II O'§6~II O'~6~II §'68~II g'88~II g'I8~II O'IS~II O'08~II 0'89~II 0'£9~II §'g9~II g'~9~II 0'£9~II 0'6g~II g'8§~II G'L§~II G'9G~II O'§G~II O'~G~II G'~E~II O'~I~II O'~I~II g'EI~II G'II~II G'60~II O'£O~II g'90~II §'§O~II §'~O~II 11598.5 11599.5 11600.0 11600.5 11601.0 11602.5 11603.5 11605.5 11617.5 11621.5 11628.5 11629.0 11636.0 11638.0 11638.5 $ REMARKS: 11598.5 11599.0 11600.0 11601.0 11604.0 11616.0 11620.0 11626.5 11632.5 11634.5 11596.0 11596.5 11597.5 11626.0 11635.0 PASS 4. FUCT, NUCT, & TENS WERE SHIFTED WITH NPHI. CN WN FN COUN STAT /??MATCH4A. 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PASS NUMBER: 2 DEPTH INCREMENT: 0.2500 FILE SUMMARY VENDOR TOOL CODE START DEPTH GR 10783.5 2418 10791.0 $ LOG HEADER DATA DATE LOGGED: SOFTWARE VERSION: TIME LOGGER ON BOTTOM: TD DRILLER (FT): TD LOGGER (FT): TOP LOG INTERVAL (FT) : BOTTOM LOG INTERVAL (FT) : LOGGING SPEED (FPHR): DEPTH CONTROL USED (YES/NO): STOP DEPTH 11653.0 11662.0 TOOL STRING (TOP TO BOTTOM) VENDOR TOOL CODE TOOL TYPE PCM PULSE CODE MODULATOR GR GAPIMA RAY CN COMPENSATED NEUTRON CCL CASING COLLAR LOC. $ BOREHOLE AND CASING DATA OPEN HOLE BiT SIZE (IN): DRILLER'S CASING DEPTH (FT): LOGGER'S CASING DEPTH (FT): BOREHOLE CONDITIONS FLUID TYPE: FLUID DENSITY (LB/G): SURFACE TEMPERATURE (DEGF): BOTTOM HOLE TEMPERATURE (DEGF): FLUID SALINITY (PPM): FLUID LEVEL (FT): FLUID RATE AT WELLHEAD (BPM): WATER CUTS (PCT): GAS/OIL RATIO: CHOKE (DEG): NEUTRON TOOL TOOL TYPE (EPITHERMAL OR THERMAL): MATRIX: MATRIX DENSITY: HOLE CORRECTION (IN): 18-OCT-94 FSYS REV. 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O, ' i OOO 999, 3000' 2~-~ 2784, 5,:4'9:$ 61'7,27 4000 3549, ~SO00 4e48, 4780, ,_'305,54 S 2832,98 E !!~i!?'~ "' ,~ ~: :. z,o e'o.~.~_ ?~"~:=-~'~F-~ 0 7-~T~- 4 .~ 7,~ 8,~ ~ _?'7~':~-'-~-''''-~ ............... ' ........ : ..... ~'-'""~"':'~'~-:,"'--"'~-- ,:' '~., ~'~;~ ~'~ C;'~:. ;~;~.; ~:, :~?~::~?~ 8000 6137, 6069, 533,92 S 4344,40 E ,,~.~, ., "'~.:' ;'~".': :::'$'8~:0"; .... "' 6~6~"~.' :'. ':0 '"'S:" :':'.~,'5'~5:~'~ ~"'.~"!""E. : : _ _2 .... lOOO0 7572, 7504, 803,17 S 5707,40 E i010,93 '$ 6285,i0 E
