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199-086
STATE OF ALASKA ~...~~~°~ ALAS~IL AND GAS CONSERVATION COM1eR5SION WELL COMPLETION OR RECOMPLETION REPORT AND LOG ~~~vE~ M~11' 0 9 2008 :';elas~a (iii ~ Gas Cans. Commission 1 a. Well Status: ^ Oil ^ Gas ^ Plugged ®Abandoned ^ Suspended 20AAC25.105 2oAAC2s.~~o ^ GINJ ^ WINJ ^ WDSPL ^ WAG ^ Other No. of Completions Zero 1 b. Well Class: ®Development ^ Exploratory ^ Service ^ Stratigraphic 2. Operator Name: BP Exploration (Alaska) Inc. 5. Date Comp., Susp., or Aba 4/512008- 12. Permit to Drill Number 199-086 308-047 3. Address: P.O. Box 196612, Anchorage, Alaska 99519-6612 6. Date Spudded S 09/26/1999 13. API Number 50-029-21842-01-00 4a. Location of Well (Governmental Section): Surface: ' ' 7. Date T.D. Reached 1 011 1 /1 999 14. Well Name and Number: PBU 15-25A 1821 FNL, 3866 FEL, SEC. 22, T11 N, R14E, UM Top of Productive Horizon: 1469' FNL, 1317' FEL, SEC. 22, T11 N, R14E, UM 8. KB (ft above MSL): 62' ' Ground (ft MSL): 15. Field /Pool(s): _ Prudhoe Bay Field / Prudhoe Bay Total Depth: 3585' FNL, 983' FEL, SEC. 22, T11 N, R14E, UM 9. Plug Back Depth (MD+TVD) 11927 8810 Pool 4b. Location of Well (State Base Plane Coordinates, NAD 27): Surface: x- 677361 y- 5959693 Zone- ASP4 10. Total Depth (MD+TVD) 11971- 8812 - 16. Property Designation: ADL 028306 ' TPI: x- 679900 y- 5960106 Zone- ASP4 Total Depth: x- 680288 y- 5957999 Zone- ASP4 11. SSSV Depth (MD+TVD) N/A 17. Land Use Permit: 18. Directional Survey ^ Yes ®No Submit electronic and rinted information er 20 AAC 25.050 19. Water depth, if offshore N/A ft MSL 20. Thickness of Permafrost (TVD): 1900' (Approx.) 21. Logs Obtained (List all logs here and submit electronic and printed information per 20 AAC 25.071): MWD, GR / CCL / CNL 22. CASING, LINER AND CEMENTING RECORD CASING SETTING DEPTH MD- SETTING'DEPTH TVD I'{OLE AMOUNT WT. PER FT. GRADE TOP BOrrOM - TOP BOTTOM 512E CEMENTING RECORD PULLED 20" 91.5# H-40 Surface 112' Surface 112' 30" 215 # Poleset 10-3/4" 45.5# J-55 / L-80 Surface 3521' Surface 3521' 13-1/2" 1000 sx CS III 600 sx Class 'G' 7-518" 29.7# L-80 Surface 8935' Surface 8313' 9-7/8" 630 sx Clas 'G' 5-1/2" 17# L-80 8597' 9498' 8029' 8750' 6-3/4" 200 sx Clas 'G' 2-3/8" 4.6# L-80 090' 11971' 8028' 8812' 3" 94 sx Class 'G' 23. Open to production or inject ion? ^ Yes ®No 24. TUBING RECORD If Yes, list each i (MD+TVD of Top & Bottom; Pe nterval open rforation Size and Number): SIZE DEPTH SET MD PACKER SET MD 3-1 /2", 9.2#, L-80 8718' 8597' MD TVD MD TVD 25. ACID, FRACTURE, CEMENT SQUEEZE, ETC. ,~ ~~` tI ~t~f 1ti Gg j ~ l ' DEPTH INTERVAL MD AMOUNT & KIND OF MATERIAL USED ~ ~ ti.1 V11 4 6 L 9500' Set CIBP ~,/ 9090' Cut & Pulled 2-3/8" Liner (Top) 9010' Set Whipstock 26. PRODUCTION TEST Date First Production: Not on Production Method of Operation (Flowing, Gas Lift, etc.): N/A Date Of Test: HOUrS Tested: PRODUCTION FOR TEST PERIOD OIL-BBL: GAS-MCF: WATER-BBL: CHOKE SIZE: GAS-OIL RATIO: Flow Tubing PreSS. Casing Press: CALCULAreD 24-HOUR RATE OIL-BBL: GAS-MCF: WATER-BBL: OIL GRAVITY-API (CORK): 27. CORE DATA Conventional Core(s) Acquired? ^ Yes ®No Sidewal l Cores Ac uired? ^ Yes ®No If Yes to either question, list formations and intervals cored (MD+Ti/D of top and bottom of each), and summarize lithology and presence of oil, gas or water (submit separate sheets with this form, if needed). Submit detailed descriptions, core chips, photographs and laboratory analytical results per 20 AAC 250.071. None ~~°~~ a ;' p 8 Form 10-407 Revised 02/2007 ; ~,>,y CONTINUED ON REVERSE SIDE ~ na~a am~r~n es~+c &- sF;n. ,N cr LUUU 28. GEOLOGIC MARKERS (LIST ALL FORMATIONS AN KERS ENCOUNTERED): 29. FORMATION TESTS NAME TVD Well Teste ^ Yes ®No Permafrost Top If yes, list intervals and formations tested, briefly summarizing test results. Attach separate sheets to this form, if needed, and submit Permafrost Base detailed test information per 20 AAC 25.071. Sag River 8827' 8223' None Shublik 8877' 8265' Sadlerochit 8961' 8335' Zone 1 B 9525' 8768' Formation at Total Depth (Name): 30. List of Attachments: Summary of Pre-Rig Work and Daily Drilling Reports, Well Schematic Diagram 31. I hereby certify that the foreg 'ng is true and correct to the best of my knowledge. /~~ /~/ Signed Terrie Hubble Title Drilling Technologist Date V PBU 15-25A 199-086 308-047 Prepared ey Name/Number. Terrie Hubble, 564-4628 Well Number Drilling Engineer: Greg Sarber, 564-4330 Permit No. / A royal No. INSTRUCTIONS GeNeru-~: This form is designed for submitting a complete and correct well completion report and log on all types of lands and leases in Alaska. Submit a well schematic diagram with each 10-407 welt completion report and 10-404 well sundry report when the downhole well design is changed. ITEM 1a: Classification of Service Wells: Gas Injection, Water Injection, Water-Alternating-Gas Injection, Salt Water Disposal, Water Supply for Injection, Observation, or Other. Multiple completion is defined as a well producing from more than one pool with production from each pool completely segregated. Each segregated pool is a completion. IreM 4b: TPI (Top of Producing Interval). IreM 8: The Kelly Bushing and Ground Level elevation in feet above mean sea level. Use same as reference for depth measurements given in other spaces on this form and in any attachments. IreM 13: The API number reported to AOGCC must be 14 digits (ex: 50-029-20123-00-00). IreM 20: Report true vertical thickness of permafrost in Box 20. Provide MD and ND for the top and base of permafrost in Box 28. IreM 22: Attached supplemental records for this well should show the details of any multiple stage cementing and the location of the cementing tool. IreM 23: If this well is completed for separate production from more than one interval (multiple completion), so state in item 1, and in item 23 show the producing intervals for only the interval reported in item 26. (Submit a separate form for each additional interval to be separately produced, showing the data pertinent to such interval). IreM 26: Method of Operation: Flowing, Gas Lift, Rod Pump, Hydraulic Pump, Submersible, Water Injection, Gas Injection, Shut-ln, or Other (explain). IreM 27: Provide a listing of intervals cored and the corresponding formations, and a brief description in this box. Submit detailed description and analytical laboratory information required by 20 AAC 25.071. IreM 29: Provide a listing of intervals tested and the corresponding formation, and a brief summary in this box. Submit detailed test and analytical laboratory information required by 20 AAC 25.071. Form 10-407 Revised 02/2007 Submit Original Only - Digital Well File ~ • Well: 15-25 Well History Well Date Summary 15-25A 2/19/2008 15-25A 2/19/2008 15-25A 2/20/2008 15-25A 2/20/2008 15-25A 2/20/2008 Page 1 of 1 T/I/0=2450/60/0 Assisl E-Line w. TBG load & MIT TBG to 3500 psi. ****FAIL**** (Pre Rig) Pumped 5 bbls neat meth followed by 110 bbls crude down TBG to load. MIT TBG to 3500 psi. =Pumped 30 bbls crude to pressure up to 1320 psi. SD. TBG lost 800 psi in 15 min. Fail. E-Line called off job do to aproaching weather. RD ***Casing valves open to gauges*** FWP=520/50/0 ****WELL SHUT-IN UPON ARRIVAL**** INITIAL T/I/O = 2400/150/0 PSI LRS FLUID PACK WELL. SET 2-7/8" WEATHERFORD CIBP CENTER = 1.7' DID NOT CUT 2-3/8" LINER AT 9090' DUE TO SEVERE WEATHER APPROACHING. FINAL T/I/O = 800/100/0 PSI ****WELL LEFT SHUT IN AND TURNED OVER TO DSO**** ****JOB POSTPONED -JOB NOT COMPLETE**** ****WELL SHUT-IN UPON ARRIVAL**** INITIAL T/I/O = 400/100/0 PSI PERFORM LEAK DETECT LOG AND D RS 8600'). PE REQUESTED LOGGING A 2 HR TEMPERATURE WARMBA PASS TO DETERMINE DESTINATION OF LEAKING FLUID. LOGGING 2 HR WARMBACK PASS. ****CONTINUE AWGRS ON 21-FEB-08**** T/I/0=400/100/0 Assist E-Line to LDL. (CTD Prep) Pumped 5 bbls neat meth followed by 95.3 bbls crude down TBG while E-Line made logging passes. ***Casing valves open to gauges*** FWP=900/0/0 ***WELL SI ON ARRIVAL*** T/I/O=0/0/0 E-LINE ON LOCATION, START RU FOR TUBING CUT @ 9,090'. RU AND PT ***CONTINUED ON 21-FEB-2008*** 15-25A 2/21/2008 ***CONTINUE AWGRS FROM 20-FEB-08*** INITIAL T/I/O = 400/100/0 PSI PERFORM LEAK DETECT LOG. DATA INDICATED AN APPARENT COLLAR LEAK AT 9103'. DATA ALSO INDICATED TURBULENT FLOW AT LINER TOP 8600' DUE TO FLUID MOVING FROM 3-1/2" TBG TO 2-3/8" LINER. PE REQUESTED A 2 HR TEMPERATURE WARMBACK PASS TO DETERMINE DESTINATION OF LEAKING FLUID AT 9100'. WARMBACK INDICATED FLUID MOVEMENT FROM LEAK AT 9100' TO -9190' INDICATING 5-1/2" LINER LEAK. DID NOT TAG TD. FINAL T/I/O = 100/100/0 ***JOB COMPLETED*** 15-25A 2/22/2008 ***CONTINUED FROM 21-FEB-2008*** T/I/0=20/100/0 RU 1-11/16" POWER CUTTER ON E-LINE. SHOT AT 9 090' GOOD INDICATION WHILE DOWN HOLE TOOL SHOT, VERIFIED TOOL SHOT WHEN TOOL AT URFA E. L SHUT-IN ON DEPARTURE. ***JOB COMPLETE*** 15-25A 2/24/2008 T/I/O=SSV/100/0, Temp=Sl. PPPOT-T (PASS), PPPOT-IC (PASS). Pre CTD. PPPOT-T: Stung into test port to check pressure (1200 psi). Bled void to 0 psi (gas/fluid) Functioned LDS, all moved freely no sign of bent or broke pins. Pumped through void until clean fluid was achieved. Pressured void to 5000 psi for 30 min test, lost 50 psi in 15 min, lost 0 psi in second 15 min (PASS). Bled void to 0 psi. PPPOT-IC: Stung into test port to check pressure (0 psi). Functioned LDS, all moved freely no sign of bent or broke pins. Pumped through void until clean fluid was achieved. Pressured void to 3500 psi for 30 min test, lost 100 psi in 15 min, lost 25 psi in second 15 min (PASS). Bled void to 0 psi. 15-25A 3/28/2008 CTU # 5 (confirm liner cut) InterAct publishing. Rig up. cont on 03-29-08 15-25A 3/29/2008 CTU #5 (confirm liner cut) cont from 03-28-06. InterAct publishing. RIH w/ well flowing, latch liner ~ 8621' pulled 20k and pull liner without any jars licks. ***iob in oroaress** 15-25A 3/29/2008 CTU #5 (confirm liner cut) cont from 03-28-06. InterAct publishing. RIH w/ well flowing, latch liner ~ 8621'. pulled 20k and pull liner without any jars licks. Release from liner POOH.Freeze protect flow line w / 60/40 Methanol 50 bbls. RDMO "'"""`Job comple a '` ' 15-25A 3/30/2008 T/I/0=1650/350/0 temp=sfi Load & Kill tbg. (PRE-CTD) Pumped 5 bbls neat meth & 88 bbls 60/40 meth to load TBG. ****Continued on 03-31-08 WSR**** 15-25A 3/31/2008 ****Continued from 03-30-08 WSR**** Pumped 40 bbls 60/40 meth down TBG to establish LLR of 1 bpm ~ 1960 psi. Pumped 5 bbls neat meth, 45 bbls crude & 5 bbls DSL down F/L for a FP. Pad-Op notified. ***Tags hung. Casing valves open to gauges*** FWP=75/0/0 15-25A 3/31/2008 Set 3 1/8" FMC BPV pre rig. Set X96". T/I/O=0/0/0 Print Date: 5/8/2008 Page 1 of 1 http://digitalwellfile.bpweb.bp.com/Wllnfo/Reports/ReportViewer.aspx 5/8/2008 • • BP EXPLORATION Operations Summary Report Page 1 of 7 Legal Well Name: 15-25 Common Well Name: 15-25 Spud Date: 7/18/1988 Event Name: REENTER+COMPLETE Start: 4/3/2008 End: 'Contractor Name: NORDIC CALISTA Rig Release: Rig Name: NORDIC 1 Rig Number: Date From - To .Hours Task Code NPT Phase Description of Operations 4/3/2008 00:00 - 06:00 6.00 MOB P PRE Move rig from G-11 to DS-15. 16 mile derrick up move. 8 hours pad to pad. 06:00 - 06:15 0.25 MOB P PRE SAFETY MEETING. Review procedure, hazards and mitigation for backing rig over well. 06:15 - 07:00 0.75 MOB P PRE Back rig over well and set down. 07:00 - 09:30 2.50 BOPSU P PRE ACCEPT RIG AT 0700 HRS, 04/03/2008. PJSM, Review procedure, hazards and mitigation for BOP pressure testing. N/U ROPE and spot tanks and trailers. 09:30 - 15:30 6.00 BOPSU P PRE Pressure /Function test BOPE. Test witness waived by AOGCC inspector, Lou Grimaldi. Send test report to AOGCC. 15:30 - 17:00 1.50 BOPSU P PAE SAFETY SHUTDOWN. Paul Foreman visited the rig and conducted a safety meeting with entire crew. Reviewed field safety performance and Nordic 1 safety performance. 17:00 - 17:15 0.25 BOPSU P PRE SAFETY MEETING. Reviewed procedure, hazards and mitigation to rig up lubricator and pull BPV with valve crew. 17:15 - 18:45 1.50 BOPSU P PRE Pull BPV with lubricator. 18:45 - 19:25 0.67 BOPSU P PRE RD lubricator. 19:25 - 20:30 1.08 BOPSU P PRE Bleed off WHP to tiger tank. 50 psi initial WHP, 500 psi WHP after 5 min. Shut in. 20:30 - 20:40 0.17 BOPSU P PRE SAFETY MEETING. Review procedures, hazards, and mitigations to PT inner reel valve, to lift fishing tool to rig floor, RU nozzle, and well kill. 20:40 - 22:15 1.58 KILL P DECOMP Lift fishing tool to rig floor, PT inner reel valve, and RU nozzle. Stab injector onto lubricator. 22:15 - 00:00 1.75 KILL P DECOMP 1500 psi initial WHP, bullhead 33bb1 at surface, 688 psi final WHP. RIH with nozzle ~ 105 ft/min pumping at 0.33 bpm, holding 750 psi on the choke. Divert gas & fluid returns to tiger tank. 4/4/2008 00:00 - 01:20 1.33 KILL P DECOMP RIH with nozzle to 8447'. 01:20 - 03:20 2.00 KILL P DECOMP Pump 144 bbl ~ 0.5 - 1.3 bpm. 03:20 - 05:00 1.67 KILL P DECOMP POH to surface at 50-100 ft/min, pumping 1.3 - 1.65 bpm with 115 - 125 psi backpressure. 05:00 - 05:25 0.42 KILL P DECOMP Flowcheck at surface. Well is dead. 05:25 - 05:30 0.08 KILL P DECOMP PJSM covering procedures, hazards, and mitigations to RD nozzle BHA & PU Fishing BHA 05:30 - 05:45 0.25 KILL P DECOMP RD nozzle BHA 05:45 - 06:15 0.50 FISH P DECOMP M/U BTT Fishin BHA--Dual Back Pressure Valve, 2 Weight Bars, Bower Up/Down Jars, HYD DISC, 3" GS Spear, BHA OAL = 20.69'. 06:15 - 08:00 1.75 FISH P DECOMP RIH with BTT pump off GS spear fishing BHA. Circ at 0.3 bpm. Up Wt at 8450' = 23.2K. RIH and to to of 2-3/8" liner fish at 8602' CTD. Pick up with 28K up wt. Stack 4K on fish. Pick up again with 28K up wt. 08:00 - 10:00 2.00 FISH P DECOMP POH with fish. Circ across the top holding 200 psi on choke to prevent swabbing. 5K over pull at 8100'. POH clean after that at 70 fpm. 10:00 - 10:15 0.25 FISH P DECOMP SAFETY MEETING. Review procedure, hazards and mitigation for laying out recovered liner. Pnntetl: 4/1l/100tl 12:40:30 PM BP EXPLORATION Page 2 of 7 Operations Summary Report Legal Well Name: 15-25 Common Well Name: 15-25 Spud Date: 7/18/1988 Event Name: REENTER+COMPLETE Start: 4/3/2008 End: Contractor Name: NORDIC CALISTA Rig Release: Rig Name: NORDIC 1 Rig Number: bate From - To Hours Task Code NPT Phase Description of Operations 4/4/2008 10:00 - 10:15 0.25 FISH P DECOMP Flow check well. Well is dead. 10:15 - 12:00 1.75 FISH P DECOMP Lay out 2-3/8" recovered liner. Recovered 15-1/2 jts of 2-3/8" liner in oor condition. several jts had many 1 /2" holes in each jt and most of the pin threads were 1/2 missing. r °° fi wn to 'et c t nd 12:00 - 12:15 0.25 EVAL P DECOMP SAFETY MEETING. Review procedure, hazards and mitigation for R/U slickline and logginh caliper log. 12;15 - 13:15 1.00 EVAL P DECOMP R/U SWS slickline unit with PDS caliper logging tool 13:15 - 14:50 1.58 EVAL P DECOMP RIH with Caliper logging tool on slickline. 14;50 - 16:00 1.17 EVAL P DECOMP Memory Log up with caliper. 9090 - 88500'. POH. 16;00 - 17:00 1.00 EVAL P DECOMP Lay out logging BHA. Rig down slickline unit. Down load caliper data and sent to Anc. Eng. 5-1/2" liner in good shape. Best joint to set whipstock in is at 9 -9038' based on caliper log. 17:00 - 17:15 0.25 WHIP P WEXIT SAFETY MEETING. Review procedure, hazards and mitigation for Pumping SWS coil pickle procedure and blowing down coil with N2. 17:15 - 18:15 1.00 WHIP P WEXIT Circ. 40 bbls rig water, 10 bbl corrosion inhibitor, and 5 bbl MEOH thru coil. 18:15 - 19:45 1.50 WHIP P WEXIT Press test N2 line. Slowdown coil with N2 to Tiger tank and bleed pressure to zero. 19:45 - 20:00 0.25 WHIP P WEXIT SAFETY MEETING. Review procedure, hazards, safe work practices to standback the injector and remove nozzle, and install grapple. 20:00 - 20:50 0.83 WHIP P WEXIT standback injector, remove nozzle, install grapple, and pull test. 20:50 - 21:05 0.25 WHIP P WEXIT SAFETY MEETING. Review detailed procedure, hazards, and mitigations for pulling the CT stub across and attaching it to the reel. 21:05 - 23:20 2.25 WHIP P WEXIT Pull CT stub across and attach to the reel. 23:20 - 23:35 0.25 WHIP P WEXIT SAFETY MEETING. Review hazards, mitigations, and procedures for reel swap. 23:35 - 00:00 0.42 WHIP P WEXIT Lower 2" a-free reel. 4/5/2008 00:00 - 02:50 2.83 WHIP P WEXIT Swap reel to 2" a-coil. 02:50 - 03:05 0.25 WHIP P WEXIT SAFETY MEETING. Cover the procedures, hazards, and mitigations for pulling the coil across into the injector and cutting off the grapple 03:05 - 04:00 0.92 WHIP P WEXIT Pull coil across. Cut off the grapple. 04:00 - 05:00 1.00 WHIP P WEXIT Stab injector. Reverse fluid into the coil. 05:00 - 08:45 3.75 WHIP P WEXIT standback injector, Pump slack. Trim coil to find cable. Install CTC and pull test. Install BHI UOC cable head and test, OK. Install 3 PIP tags inside whipstock and check, OK. 08:45 - 09:00 0.25 WHIP P WEXIT SAFETY MEETING. Review procedure, hazards and mitigation making up Baker whipstock and Coiltrak BHA. 09:00 - 10:15 1.25 WHIP P WEXIT M/U BTT Whiptock and CoilTrak BHA #3. Orient TF. BHA OAL = 70.45'. Surface test CoilTrak tools. 10:15 - 12:00 1.75 WHIP P WEXIT RIH with Whi stock BHA #3. Circ at 0.20 bpm, Up wt at 8900' = 25.3K. 12:00 - 12:45 0.75 WHIP P WEXIT Log down tie-in with GR at 8900'. 0 ft correction. Printed: 4/11/2008 12:40:30 PM • • BP EXPLORATION Page 3 of 7 Operations Summary Report Legal Well Name: 15-25 Common Well Name: 15-25 Spud Date: 7/18/1988 Event Name: REENTER+COMPLETE Start: 4/3/2008 End: Contractor Name: NORDIC CALISTA Rig Release: Rig Name: NORDIC 1 Rig Number: Date From - To Hours Task Code NPT Phase. .Description of Operations 4/5/2008 12:00 - 12:45 0.75 WHIP P WEXIT RIH and tag PBTD at 9088'. 12:45 - 12:55 0.17 WHIP P WEXIT Set whi stock to at 9010=. Lowside TF, 176 deg LOHS. Close EDC. Setting tool sheared at 3200 psi. Up wt = 23.6K. Whipstock is set. 12:55 - 15:45 2.83 WHIP P WEXIT POH. Circ at 1.2 bpm, 2600 psi. 15:45 - 16:00 0.25 STWHIP P WEXIT UO BTT Whipstock running tools. M/U Window milling BHA #4 with a 2.74" HCC window mill, string reamer, Xtreme motor, 2 jts 2-1/16" CSH, 2 wt Bars and CoilTrak tools. BHA OAL = 108.95'. S~~ 16:00 - 17:30 1.50 STWHIP P WEXIT RIH with 2.74" Window milling BHA #4..~ 15.255 Tag whipstock pinch point at 9016' and correct depth to 9013'. 17:30 - 00:00 6.50 STWHIP P WEXIT Mill 2.74" window to 9019.2' thru 5-1/2", 17#, L-80 Liner. 1.4 bpm, 3250 - 3700 psi, 0.3-2.7K WOB, 1 fph. 4/6/2008 00:00 - 02:00 2.00 STWHIP P WEXIT Mill 2.74" window to 9029.0' thru 5-1/2", 17#, L-80 Liner. 1.4 bpm, 3000 psi, 0.3-2.7K WOB, 1 fph. 02:00 - 05:15 3.25 STWHIP P WEXIT Back ream and ream down the window three times between 9029 & 9010 at 1.4 bpm, 3100-3300 psi, 5 - 17 fph. Dry tag. No motor work while pulling through window. Small pressure variation RIH through window. Ream window once more. 05:15 - 07:00 1.75 STWHIP P WEXIT POH 07:00 - 07:15 0.25 DRILL P PROD1 SAFETY MEETING. Review hazards, mitigations, and procedures for UD whipstock BHA and PU Build BHA. 07:15 - 08:45 1.50 DRILL P PROD1 UO milling BHA. Window mill gauged at 2.73 Go/2.72 no-go, String mill gauged 2.74 Go/2.73 No Go. M/U HYC Used BC Bit #1, 1.1 deg W FD Motor and CoilTrak BHA. BHA #5 OAL = 60.98'. 08:45 - 10:20 1.58 DRILL P PROD1 RIH with CoilTrak Build BHA #5. Circ at 0.15 bpm, 1200 psi, RIH to 8920'. 10:20 - 10:45 0.42 DRILL P PROD1 Log down with GR and tie-in with PDS/GR log. -3 ft CTD. 10:45 - 13:00 2.25 DRILL P PROD1 Drill build section, 1.4 bpm, 3250-4100 psi, 160E TF, 10.3 ecd, 30 fph, Drilled to 9091'. 13:00 - 15:30 2.50 DRILL P PROD1 Drill build section in Zone 3, 1.4 bpm, 3050-4100 psi, 90L TF, 10.3 ecd, 10 fph, Slow drilling in Zone 3. Drilled to 9125'. 15:30 - 18:30 3.00 DRILL P PROD1 Drill build section in Zone 3, 1.4 bpm, 3000-4000 psi, 90L TF, 10.3 ecd, 10 fph, Slow drilling, Drilled to 9156'. 18:30 - 18:45 0.25 DRILL P PROD1 Wiper trip to above window. Clean hole. 24K up wt. 18:45 - 19:50 1.08 DRILL P PROD1 Log down from 8840' with GR to Tie-in with RA tag in whipstock. -2 ft correction. RA tag ~ 9013.5'. 19:50 -.21:00 1.17 DRILL P PROD1 Drill build section to 9156' in Zone 3, 1.4 bpm, 3200 psi, 90-100L TF, 10.4-10.5 ecd, 6-13 fph, Slowing drilling. Frequent stalling. Decrease flowrate to 1.2 bpm. 21:00 - 00:00 3.00 DRILL P PROD1 Drill build section to 9160' in Zone 3, 1.2 bpm, 2800-3000 psi, 90-100L TF, 10.3-10.4 ecd, 0-7 fph. Slow drilling with frequent stalling. 4/7/2008 00:00 - 01:20 1.33 DRILL P PROD1 Drill build section to 9164' in Zone 3, 1.4 bpm, 3300 psi, 90L TF, 10.4 ecd, 0-5 fph. Slow drilling with frequent stalling. Printed: 4/11/2008 12:40:30 PM TREE = FMC WELLHEAD = FMC ACTUATOR= AXELSON KB. ECEV = 62' BF. ELEV = ? KOP = 4800' Max Angle = 97 @ 116?' Datum MD = 9510' Datum TVD = 8700' SS DRLG D~T 10-3l4" CSG, 45.5#, L-80, ID = 9.953" ~ 3521' Minimum ID =1.81" @ 8465' Liner Top Packer Abbv. PERFORATION SUMMARY REF LOG: SWS MCNL/GR of 04/14/2008 ANGLE AT TOP PERF: 96 Deg @ 9890' Note: Refer to Production DB for historical pert data SIZE SPF INTERVAL Opn/Sqz DATE 1.56" 6 9890-9920 Open 04/14/08 1.56" 6 9970-10120 Open 04/14/08 1.56" 6 10200-10750 Open 04/14/08 1.56" 6 10850-11470 Open 04/14/08 1.56" 6 11590-11610 Open 04/14/08 TOP OF 5-1/2" LNR 6' tieback rcptcl 3-1/2" TBG, 9.2#, L-80, .0087 bpf, ID = 2.992" TSAG 8828' 7-5/8" CSG, 29.7#, L-80, ID = 6.875" ~~ 8935' L 3 1/2" x 5 1/2"whipstock 9006' 2 3/8" cut and pull 9090' TOP OF LINER CEMENT (SCMT) 9100' TOP OF P&A CEMENT (tagged) 9457' 15-25A SIDETRACK WINDOW 9498' - 9503' ST MD TVD DEV TYPE VLV LATCH PORT DATE 1 3182 3182 1 MMG DOME RK 16 04/18/08 2 5552 5439 30 MMG SO RK 20 04/18/08 3 8489 7876 32 DMY RK 0 08/02/03 $465' --~3 1/2" KB LTP ID = 1.81" er 2.70" OD Deployment Sleeve $549' 3-1/2" HES X NIP, ID = 2.813" 8594' -13-1/2" TNV SEAL ASSY (1999) 8597' 7-5/8" TNV SSBB PERM (1988) PKR (BEHIND CT LNR) ID=4.00" 8718' -~3-1/2" TUBING TAIL (BEHIND CT LNR) 8688' ELMD TT LOGGED 10/13/88 TOP OF Cement 9006' I 11619' I 5-1/2" LNR 17#, L-80, .0232 bpf, ID = 4.892" 2-3/8" LNR, 4.7#, STL, 0.00387 bpf, ID = 1.995" ~-{ 11 2-3l8" LNR, 4.43#, FL4S, .0039 bpf, ID = 1.995" 11971' DATE REV BY COMMENTS DATE REV BY COMMENTS 09/24/88 ORIGINAL COMPLETION 04/15/08 NORDICI CTD SIDETRACK (15-25B) 10/16/99 CTD SDTRCK 8~ TBG REPLMT 04/16/08 /TLH CORRECTIONS 08/02/03 MH/TLH GLV GO 05/04/08 DAV/PJC GLV GO (04/18/08) 11/27/03 KCF/TLP PERFS/NIP CORRECTIONS 01/07/05 CNJlTLP TOC DEPTH CORRECTION 03/07/06 JCIWPJC DELETE X NIP @ 8583' PRUDHOE BAY UNff WELL: 15-25B PERMff No: 2080240 API No: 50-029-21842-02 SEC 22, T11 N, R14E, 980.66' FEL 8~ 3583.52' FNL BP Exploration (Alaska) ETY NOTES: 70° @ 9575' & 90° @ 9821' 15-25B 219-- 3-1 /2" HES X NIP, ID = 2.813" GAS LIFT MANDRELS o2/2a/os ~~hluberger NO. 4612 Alaska Data & Consulting Services Company: State of Alaska 2525 Gambell Street, Suite 400 Alaska Oil & Gas Cons Comm Anchorage, AK 99503-2838 Attn: Christine Mahnken ATTN: Beth 333 West 7th Ave, Suite 100 Anchorage, AK 99501 Field: P.Bay,Aurora,GNI,Pt.Mac,Milne Pt,Endicott Woll .Inl~ dl 1 nn fle~...:..a:.... n_a_ ni n_~_- nn 15-25A 12014000 LDL -b'S~o ~ 02/20108 1 A-12A 11963077 MCNL sr 3 01/19/08 1 1 GNI-04 12031448 TEMP SURVEY (REVISED) ~(j~- ~ (0 01122/08 1 1 P2-32 11968730 USIT - ^ ~ 02/13/08 1 1 17-02 11996384 USIT /`~O - ~' ^ 02117/08 1 1 Y-07A 11962781 SCMT '}- j Q ~ 02103/08 1 1 P2-58 12031456 USIT i9D - t( 02/25/08 1 1 MPH-12 12005205 MEM INJ PROFILE ~ _ j~p It ~ 02/15/08 1 1 4-14/R-34 11975755 USIT V e ~ 02/25/08 1 1 5-126 11968731 JEWELRY/PERF/SBHP ~ 02/15/08 1 1 rLCNJC Nl+r\IVVWLCUVt KtlalYl tST JIIiIVIIVCi AIVU Kt1UKNIN(7 VNt LUNY tAGFi IU: BP Exploration (Alaska) Inc. Retrotechnical Data Center LR2-1 ~~pYiit~l~?, AA~U ~ ~ ~f1t1f? 900 E. Benson Blvd. C'OEti 1bd tyl R UUi~ Anchorage, Alaska 99508 Date Delivered: ivi A is a ~ ^?nne, Alaska Data & Consulting Services 2525 Gambell Street, Suite 400 Anchorage, AK 99503-283 ATTN: Beth Received by; • • • • ~~ ~~ ~ ~ ~ ~ SARAH PAUN, GOVERNOR ~~ ~S~ OII/ ~ tl[v 333 W 7 h a7 COI~SERQATIOI~T COMl-iISSIOIQ . t AVENUE, SUITE 100 ANCHORAGE, ALASKA 99501-3539 PHONE (907) 279-1433 FAX (907) 276-7542 Greg Sarber CT Drilling Engineer BP Exploration Alaska, PO Box 196612 I ~~~I~~ FEB ~. ~ 2008 Anchorage, AK 99519-6612 ~ ©~ ~~~ Re: Prudhoe Bay Field, Prudhoe Bay Oil Pool, PBU 15-25A Sundry Number: 308-047 Dear Mr. Sarber: Enclosed is the approved Application for Sundry Approval relating to the above referenced well. Please note the conditions of approval set out in the enclosed form. When providing notice for a representative of the Commission to witness any required test, contact the Commission's petroleum field inspector at (907) 659-3607 (pager). As provided in AS 31.05.080, within 20 days after written notice of this decision, or such further time as the Commission grants for good cause shown, a person affected by it may file with the Commission an application for rehearing. A request for rehearing is considered timely if it is received by 4:30 PM on the 23rd day following the date of this letter, or the next working day if the 23rd day falls on a holiday or weekend. A person may not appeal a Commission decision to Superior Court unless rehearing has been requested. Sincerely, Daniel T. Seamount, Jr. Chair DATED this ~ day of February, 2008 Encl. ~~~~ (~ $ ST RCS ~~ Z~ ATE OF ALASKA S ALASKA OIL AND GAS CONSERVATION COMMISSION ~EQ ~ ~ ~Q APPLICATION FOR SUNDRY APPROVAL 20 AAC 25.280 IaSka Q7 ~ Gas n 1. Type of Request: ®Abandon ^ Suspend ^ Operation Shutdown ^ Perforate ^ Time Exp~l~jbOfa~f', ^ Alter Casing ^ Repair Well ^ Plug Perforations ^ Stimulate ^ Re-Enter Suspended Well ^ Change Approved Program ^ Pull Tubing ^ Perforate New Pool ^ Waiver ^ Other 2. Operator Name: 4. Current Well Class: 5. Permit To DriN Number BP Exploration (Alaska) Inc. ®Development ^ Exploratory 199-086 3. Address: ^ Service ^ Stratigraphic 6. API Number: , P.O. Box 196612, Anchorage, Alaska 99519-6612 50-029-21842-01-00 7. If perforating, closest approach in pool(s) opened by this operation to nearest 8. Well Name and Number: property line where ownership or landownership changes: PBU 15-25A ' Spacing Exception Required? ^ Yes ®No 9. Property Designation: 10. KB Elevation (ft): 11. Field /Pool(s): ADL 028306 62'- Prudhoe Bay Field / Prudhoe Bay Pool 12~ PRESENT WELL CONDITION SUM MARY Total Depth MD (ft): Total Depth TVD (ft): Effective Depth MD (ft): Effective Depth TVD (ft): Plugs (measured): Junk (measured): 11971 8812 ~ 11927 8810 None None a in Len th Size MD TV Burst Colla e Structural C ndu or 112' 20" 112' 11 1490 470 Surface 3521' 10-314" 3521' 3521' 3580 2090 Intermediate 8935' 7-5/8" 8935' 8313' 6890 4790 Pr du i n Liner 901' 5-1/2" 8597' - 9498' 8029' - 8750' 7740 6280 Liner 3376' 2-3/8" 8595' - 11971' 8028' - $812' 11200 11780 Perforation Depth MD (ft): Perforation Depth ND (ft): Tubing Size: Tubing Grade: Tubing MD (ft): 9827' - 11929' 8822' - 8810' 3-1/2", 9.2# L-80 8718' Packers and SSSV Type: 7-5/8" x 3-1l2" TIW 'SSBB' Perm packer Packers and SSSV MD (ft): 8597' 13. Attachments: 14. Well Class after proposed work: ® Description Summary of Proposal ^ BOP Sketch ^ Exploratory ®Development ^ Service ^ Detailed Operations Program 15. Estimated Date for 16. Well Status after proposed work: Commencin O erations: February 22, 2008 ^ Oil ^ Gas ^ Plugged ®Abandoned 17. Verbal Approval: Date: ^ WAG ^ GINJ ^ WINJ ^ WDSPL Commission Representative: 18. I hereby certify that the foregoing is true and correct to the best of my knowledge. Contact Greg Sarber, 564-4330 Printed Nam Greg arber Title CT Drilling Engineer Prepared By Name/Number: Signature 2-/( d g Phone 564-4330 Date Terrie Hubble, 56a-4628 Commission Use Onl Sundry Number: ~- Conditions of approval: Notify Commission so that a representative may witness - - ^ Plug Integrity BOP Test ^ Mechanical Integrity Test ^ Location Clearance ~v~ ~r J`t'~, <`/9'D I~PD l ` _ n Other: '>~~~ ~ ~S `l ~ 5~ l~ ~ 7 ~j A~'D ~~ Subsequent Form Required: ~~~ , APPROVED BY ~ ~ lj / A roved B : COMMISSIONER THE COMMISSION Date __ _ _ __ Form 10-403 R Ise 0 006 Submit In Duplicate a R ~ ~~i NAB ~~~~. ~~~ ~ ~ ~oo~ • • To: Tom Maunder Petroleum Engineer Alaska Oil & Gas Conservation Commission From: Greg Sarber CTD Engineer Date: February 4, 2008 Re: DS 15-25A Sundry Approval by Sundry approval is requested to abandon perforations on well 15-25A. 15-25A is currently shut in for marginal GOR due to moderate gas production with low oil rate. 15-25A was a CTD `plus' sidetrack drilled in October 1999. The `plus' portion of the sidetrack involved replacing the old tubing with brand new 3-1/2" L-80 tubing. The initial 1600' of Z1A perfs struggled to flow - the well came online at 1400 BOPD and 2500 GOR on raw gas lift. This quickly dropped to about 700 bopd and 1800 GOR within a couple of months. As a result, an additional 250' of Zn 1 B perfs was shot in the toe (in a stratigraphically shallower interval), in Dec 1999. These adperfs increased the rate to over 2000 BOPD at 2000 GOR and made the well fulltime for the next 2-1/2 years. In the summer of 2003, the well had reached MGOR, and plans were made to shoot another 100' of remaining zone 1 B interval in the heel. These perfs were shot in November 2003, and performance improved dramatically. The initial post-pert rate was nearly 2000 BOPD with a GOR of 8,000. By early June 2004, production had declined to 1100 BOPD with a 21,000 GOR. The well became a decent cycler from the early part of 2005 until the fall of that year when its common line was switched from LP to HP. This change in common lines seemed to have negatively impacted the well. Attempts to bring it back to the LP header have not helped since it always seems to come back at MGOR. The well has never produced gas rates of more than 30 mmscfd. A June 2004 SCMT shows the TOC behind the 2-3/8" liner to be at 9100' MD. The STP shows a liner leak and annular flow just above the TOC. The March 2006 caliper shows holes in three joints that are between 8800' - 9100' MD inside the 2-3/8" liner. These holes inside the 2-3/8" liner do not affect the production. A calliper run in March 2006 shows the tubing to be in good to poor condition with 5 joints having wall penetrations of greater than 40% (with 48% being the worst case) and the majority of pipe falling between 10-40% penetrations. The well failed the MITOA on 1/11/08 with a LLR of 1.1 BPM at 2000 psi. The well passed the MITIA to 2500 psi on January 20, 2008. The reason for the sidetrack is that 15-25A has been a low on-time swing well since the fall of 2005. The well shows no re-charge or healing even after long shut-in periods as it always comes back at LP marginal. Attempts to flow it in the HP header have been unsuccessful. The lack of viable wellwork options and the low on-time of 20% in the last 12 months make 15-25A of little benefit to the field. REASON FOR SUNDRY: In order to achieve adequate isolation for the 2-7/8" liner cement job on the 15-256 sidetrack, it will be necessary to abandon all the perforations in the existing parent well bore. Pre-CT Rig Work: 1. MIT-IA 2. Drift 2-3/8" liner for CIBP 3. Run multifinger calliper in 2-3/8" liner and production tubing from 9,600' to surface. 4. Set CIBP in 2-3/8" liner C~ 9,500', and test to 3500 psi. 5. Jet cut 2-3/8" liner C~3 9,090'. 6. Pickup on cut section of liner with service coil to confirm pipe is cut and free. 7. Install a 2"d valve on the IA and PT. 8. AC-PPPOT-IC 9. Install a TWC. 10. Bleed production flow lines and GL lines down to zero and blind flange. 11. Change out tree and adapter flange rom 3-1/8" to 4-1/16", PT as per SOP, but to include MV, SV, WV. 12. Remove wellhouse, level pad. ;. • Rig Sidetrack Operations: (Scheduled to begin on April 18, 2008 using Nordic rig 1) 1. MIRU Nordic Rig 1 2. NU 7-1116" CT Drilling BOPE and test. ~~~5 ~ ~v ~...-~ 3. Pull TWC, load well with KWF. 5. Set Baker TT 3-1/2" x 5-1/2" whipstock with top at 9070'. 6. Mill 2.75"" window at 9,070'. 7. Drill build/turn section with 2.70" x 3.0" bicenter bit, and land well. t~, 8. Drill lateral section to 11,850'. ~~-~~. ~~.1~ 9. Run and cement a 2-3/8" L-80 liner string, abandoning perfs in parent wellbore. 10. Make a cleanout run with mill and motor. 11. Make a logging run with a SWS GR-CNL logging tool. 12. Perforate well. 13. Circulate well to KWF brine. FP well to 2000' with diesel. 14. Set BPV. ND 7-1/16" stack. FP tree and PT tree cap to 3500 psi. 15. RDMO Nordic 1. Post-Rig Work: 1. Re-install wellhouse and FL's. 2. Pull BPV. 3. Run Live gas lift design. Greg Sarber CTD Engineer CC: Well File Sondra StewmanlTerrie Hubble TREE = FMC WELLHEAD = FMC ACTUATOR= _ AXELSQN KB. ELEV = 62' BF. ELEV _ ~ KOP = 4800' Max Angle = 95 @ 11542' Datum MD = NA Datu m TV D = 8800' SS 10-314" CSG, 45.5#, L-80, ID = 9.953" Minimum ID =1.969" @ 8595' 2.7" DEPLOYMENT SLEEVE 15-25A 2192' I--13-1/2" HES X NIP, ID = 2.813" GAS LIFT MANDRELS ST MD TVD DEV TYPE VLV LATCH PORT DATE 1 3182 3182 1 MMG DMY RK 0 08/02/03 2 5552 5439 30 DMY RK 0 08/02/03 3 8489 7876 32 DMY RK 0 08/02/03 3-1/2" HES X NIP, ID = 2.813" ~TOPOFS-1/2"LNR 8597' TOP OF 2-3/8" LNR 8600' 3-1/2" TBG, 9.2#, L-80, .0087 bpf, ID = 2.992" 8718' 7-5/8" CSG, 29.7#, L-80, ID = 6.875" TOP OF CEMENT 5-1/2" LNR, 17#, L-80, .0232 bpf, ID = 4.892" 8) 935, u 9457' PERFORATION SUMMARY REF LOG: BRCS ON 07/30(88 ANGLE AT TOP PERF: 89 @ 10320' Note: Refer to Production DB for historical pert data SIZE SPF INTERVAL Opn/Sqz DATE 1.56" 4 10037 - 10062 O 11/27/03 1.56" 4 10157 - 10182 O 11 /27103 2-3i8" 4 10320 - 10750 O 10/15/99 2-3/8" 4 10800 - 11030 O 10/15/99 2-3l8" 4 11084 - 11510 O 10/15/99 1-11/16" 4 11676 - 11929 O 12/01/99 1.56" 4 9827 - 9852 O 11/26/03 1.56" 4 9897 - 9922 O 11/26/03 8594' - 13-1/2" TNV SEAL ASSY 8595' 2.70" DEPLOY SLV (5' LONG), ID = 1.969" 8597' ~ 7-5/8" X 3-1/2" TM/ SSBB PERM ~ R (BEHIND CT LNR) 8718' 3-1/2" TUBING TAIL (BEHIND CT LNR) 8688' ELMD TT LOGGED 10/13/88 SIDETRACK WINDOW 9498' - 9503' PBTD I--I 11927' 2-3/8" LNR, 4.43#, FL4S, .0039 bpf, ID = 1.995" ~--j 11971' DATE REV BY COMMENTS DATE REV BY COMMENTS 09/24/88 ORIGINAL COMPLETION 10/16/99 CTD SDTRCK &TBG REPLMT 08/02/03 MH/TLH GLV CIO 11/27/03 KCF/TLP PERFS/NIP CORRECTIONS 01/07/05 CNJ/TLP TOC DEPTH CORRECTION 03/07/06 JCMlPJC DELETE X NIP @ 8583' PRUDHOE BAY UNff WELL: 15-25A PERMIT No: '1990860 API No: 50-029-21842-01 SEC 22, T11 N, R14E, 980.66' FEL & 3583.52' FNL BP Exploration (Alaska) 2-3r8" 4 10600- 11030 O 10r15u99 2-3r8" , 11084- 1151D O 10l15J99 1-11!16" 4 11676• i19i29 O 12lOtr99 156' s 9627.9852 O 11r26r03 t bd' a 989T -4912 O t tt2dJ03 Rit.01-IOE BAY UN(T Y4Bl iS•25A RSiMT No '7490gfi0 AR No: 50.029-21842-0 t 1N Rt4E 960 B6' FB 83583.52' FTL fit= hNl: ~ • LFfAD = ~ 15 2 5 A SAFETY NOTES: 70' ~ 8575' d< 80' ~ 8801' ----- CTlS4TOR = AXELSON ~ • $597' 1-S1B' TAN SSBB P@ild (t 9BB) I°1CFt(F3FJi1NiJ(:t LIV'q IUa4 DO' RR~ 3 U9" KR I TP fl = 1 TS" 2192' ~-{ 3-112" FIES X NIP, D = 2.813" t0-3J4" CSG. 45.55, L-80, D = 9.953" Minimum ID =1.969" ~ 8595' ' 2.7" DEPLOYMENT SLEEVE ` nbbv P@~FOW1T10N51.1yfAARY Rff LOG- BI1CS ON 07!30!88 ANGLE AT TOP FBiF: 89 ~ 10320' NaOe: I4efer to PI•oductpn OB for natorcal pert data itZE SPF MEZVAL OprvSaz ~ aATf ~4~ 9827-11919 1 19A. GA 5 LFT IIW NDRaS iT hQ TVD DEV TYPE VlV LATCH POI 1 3162 3182 t AMG DIM RK 0 2 5552 5439 30 OIAY RK 0 3 8489 7816 32 OhN fil( 0 8549' ~--{ 3- t rr' HES X NP, D = 2.81 3' i $594' , 3-tl2" TMi SEAL ASSY (1998) 5-1lZ' Ll~it B 3112"x 5 t~~..,to 2 318' cat an0 ~ iS-25A SIDETRACK 4VAJDLIY~ 9498' - 9507' I ,rr n AAD TT t 0113J8A 9070' i"I TOC 2 31B" LNIF.R PeT~ 11a1o' 2-a'e° ~~ ~ 1>f srL, ~.~3a, bpf o = • mss" 11850' 2-318" LNR. 4.4311, FL4S. 0039 bpf, D =1.995' 11971' DATE REt/ BY CJOATUQYTS QATE REV BY COM~EMS D9/24/88 Y OWGINAL COMPLETION tON8f99 CTOSDTRCK6TBGR~LMT OB~Yl7,t~3' M-4'Tl.H GLV Ci0 1112T~L31 KCFITLP PffiFSlNPCORRECTIDNS O1~'07~a5 1 CNLTLP Tl7C DEPf}i CORRECTION D310T~1X .1C64P.1C Oft ETE X NP ~ 6583' = 2.992• r-{ 9719' ~ TSAG 8828' 1 ~ ~~ ~ ~ SAFETY NOTES_ 70' ~ 8575' 6 80' ~ 9901' Proposed CTD Sidetrack PRUDhtOE 9AY lXdfT WELL: 15-25A P6tMfT fMO: '1990860 API No 50-029-21842-01 S6C 22. 711 N, 814E 980.66- Fa 8 35x3.52' FNL ~ ficpbntbn (AFasks) Schlumberger Alaska Data & Consulting Services 2525 Gambell Street, Suite 400 Anchorage, AK 99503-2838 ATTN: Beth Well /i'~ -l7c C-29A ¡!Jr¡-/ji E-25 ¡qi,t,Zj G-02A 9JJf/ ¡t,fl{ W-27 A "~e-Dt4 D-25A (--. .:'1Q-0(;& DS 15-25A' . ~ 1Uf.Øfc,E-39A \ 02-16B 195' () II C-25A :).o'f-J.Ð1 E-17A ~t)if~., i~~ C-41A j ,~~7¡~~ ~~~~~: ;1~.ir.ir 02-28A /ì5- {q3 - D-11A 2L:i{-2./~ DS 05-24A Job # 10715422 10715423 10715424 10670031 10854314 10715428 10715430 10928597 10928598 10928602 10928606 10715445 10715446 10928607 10928608 10928609 (Prints~ only-Job not complete) SCANNED JUN 1 {' 2005 Log Description MCNL MCNL MCNL MCNL MCNL MCNL MCNL MCNL MCNL MCNL MCNL MCNL MCNL MCNL MCNL MCNL PLEASE ACKNOWLEDGE RECEIPT BY SIGNING AND RETURNING ONE COpy EACH TO: BP Exploration (Alaska) Inc. Petrotechnical Data Center LR2-1 900 E. Benson Blvd. Anchorage, Alaska 99508 Date Delivered: ~h!o:J I VI ('9'9 - ()y~ r 01/24/05 ~. / Sq.,;)~~~ NO. 3318 Company: State of Alaska Alaska Oil & Gas Cons Comm Attn: Helen Warman 333 West 7th Ave, Suite 100 Anchorage, AK 99501 Field: Prudhoe Bay Color Date Blueline Prints CD 08/20/04 1 08/21/04 1 08/23/04 1 08/24/04 1 08/27/04 1 09/11/04 1 09/13/04 1 10/02/04 1 10/03/04 1 10/30/04 1 11/24/04 1 12/09/04 1 12/11/04 1 12/11/04 1 12/16/04 1 12/22104 1 -- ,-./ Alaska Data & Consulting Services 2525 Gambell Street, S~~OO Î' AnChora",ge. AKÇï, 950 J838, " ,,1. . ~J . ATTNCe ~' / .f '¿ 1/./1 Rece .~d by: . /~ :/i · 1/' /" 1/ {/ Schlumberger Alaska Data & Consulting Services 2525 Gambell Street, Suite 400 Anchorage, AK 99503-2838 ATTN: Beth Well ~/,Iÿ; E-39A f".o~~D.S. 15-25A C-25A ¡cfi C-25A 7~L2-14B ;ð'f..". F-11B 1~L2-07A ?Þ ~;~~~~ a. L3-05 \ . L3-05 ~' L3-05 " L3-05 ¡r£., 15~ L3-02 ,,< OWDW-NW (9f) .OWDW-NW 1,.'tO Job # 10715430 10715428 10928596 10928598 10670029 10928600 10861911 10715409 10670015 10724368 10662981 10866588 10672320 10560313 10563037 10672361 Log Description MEMORY IPROF & WARMBACK MEMORY PPROF & IPROF MEMORY LDL MEMORY LDUIPROF PRODUCTION PROFILE MCNL MCNL MCNL MCNL RST-SIGMA RST-SIGMA RST-SIGMA RST-SIGMA RST-SIGMA RST-SIGMA & BORAX RST-BORAX PLEASE ACKNOWLEDGE RECEIPT BY SIGNING AND RETURNING ONE COPY EACH TO: BP Exploration (Alaska) Inc. Petrotechnical Data Center LR2-1 900 E. Benson Blvd. Anchorage, Alaska 99508 Date Delivered: . oOE<=' APQ SCANN l) ,..\ /(-2c(- otf Date 09/13/04 09/11/04 09/27/04 10/04/08 08/20/04 10/20/04 05/31/04 06/07/04 OS/22/04 04/02/04 01/08/04 09103/04 09/28/03 10/16/03 03/29/03 03/28/04 ~" '1n fY¡:; , h L..JuJ Blueline 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 l c¡q -0 ~ .... ... 11/16/04 S I s-:JSiÄ. NO. 3256 'l)" Company: State of Alaska Alaska Oil & Gas Cons Comm Attn: Helen Warman 333 West 7th Ave, Suite 100 Anchorage, AK 99501 Field: Prudhoe Bay Color Prints '-- CD 1 1 1 1 1 1 1 1 1 1 1 --- Alaska Data & Consulting Services 2525 Gambell Street, Suite 400 Anchorage, A TTN: Bet R~ed by: ,-../' , Schlumberger , Alaska Data & Consulting Services 2525 Gambell Street, Suite 400 Anchorage, AK 99503-2838 ATTN: Beth í-/3j F-29 ;?-k/1L5-15 - -1"5 S-06 -'- r~" W-30 ,;-G(.QC-23B ~ ..ctF-39A .IO/l. F-11A " 15-25A ..ot" 15-09A 3../13 NGI-11 '1~O Well Job # 10831305 10913848 10621828 10866597 10558571 10715430 10893034 10715429 10889178 10912989 Log Description LEAK DETECTION LOG SBHP SURVEY INJECTION PROFILE PPROFILE WIDEFT/GHOST MCNL SCMT SCMT SCMT SCMT USIT PLEASE ACKNOWLEDGE RECEIPT BY SIGNING AND RETURNING ONE COPY EACH TO: BP Exploration (Alaska) Inc. Petrotechnical Data Center LR2-1 900 E. Benson Blvd. Anchorage, Alaska 99508 Date Delivered: /~~~¥ ~.''". C.-'AN&..IìE"T! D. E~ [' tp f.".\ ~ .~~ -,..~,,'~o/ .- V ~ ~ß Date 07/05/04 09/26/04 10/01/04 09/26/04 09/01/03 09/13/04 09/16/04 09/12/04 10/17/04 10/26/04 Blueline 1 1 1 1 1 NO. 3252 Company: ('f1~o~(c¡ 11/05/04 State of Alaska Alaska Oil & Gas Cons Comm AUn: Robin Deason 333 West 7th Ave, Suite 100 Anchorage, AK 99501 Field: Prudhoe Bay Color Prints CD .~. 1 1 1 1 1 1 ~. Alaska Data & Consulting Services 2525 Gambell Street, Suite 400 ~~~rai:thAK 9950 -L / /, r Rec ivedby: U .U~ (I (l C(q '-0<60 WELL LOG TRANSMITTAL ProActive Diagnostic Services, Inc. To: State of Alaska AOGCC 333 W. 7thStreet Suite # 700 Anchorage. Alaska 99501 RE: Distribution- Final Print[s) The technical data listed below is being submitted herewith. Please acknowledge receipt by returning a signed copy of this transmittal letter to the attention of : Joey Burton I Jeni Thompson BP Exploration (Alaska), Inc. ProActive Diagnostic Services, Inc. Petrotechnical Data Center LR2-1 P. O. Box 1389 900 E. Benson Blvd. Stafford, TX 77497 Anchorage, AK 99508 LOG DIGITAL MYLAR / BLUE LINE REPORT WELL DATE TYPE OR SEPIA PRINT(S) OR CD-ROM FILM COLOR Open Hole 1 1 1 Res. Eva!. CH 1 1 1 OS 15-25A 11-26-03 Mech. CH j!9.~ ¡ Q~ - Caliper Survey Signed: ~'ò ~ ~ ~ > QQ» ~.!'v--""'" DateRECEtVEf)- Print Name: 'li r.1 2 (, °004 ....: i '\¡J ) I.. Ätaska Oil & Gas Cons. Commissmn ,Anchorage PRoAcTivE DiAGNOSTic SERviCES, INC., PO Box 1 ~69 STAffoRd TX 77477 Phone:(281) 565-9085 Fax:(281) 565-1369 E-mail: pds@memOlylog.com Website: www.memorylog.com -;--"~'-, ~'" '" ", ~CAINH~íEI> FED 0 2 200t.~ ,~~ \)\\~tv DATA SUBMITTAL COMPLIANCE REPORT 2/5/2002 Permit to Drill No. 1990960 Well Name/No. PRUDHOE BAY UNIT 15-25A Operator BP EXPLORATION (ALASKA) INC APl No. 50-029-21842-01-00 MD 11971 TVD 8812 Completion Date 10/16/1999 Completion Status 1-OIL Current Status I-OIL UIC N REQUIRED INFORMATION Mud Log No Samples No Directional Survey No -- DATA INFORMATION Types Electric or Other Logs Run: (data taken from Logs Portion of Master Well Data Maint) Well Log Information: Log/ Interval Data Digital Digital Log Log Run OH / Dataset Type Media Format Name Scale Media No Start Stop CH Received Number Comments .............................. ~' '~i3'aR ............. 5 ........ FiNkL -95~)'~95~.~;~- ..... i~31-i200;i ....... BE, sep-ia .................. c q~'"MCNL 2 FINAL 8400 11900 CH 3/28/2000 tL-'"~'TVD GR J~ ~ [ 5 FINAL ~0500 -10957_- ch 2/21/2001 BL, Sepia C .-L-'/ MCNL 2 FINAL 8500 11936 CH 3/28/2000 R SRVY LSTNG 9400 10957 OH 10/27/1999 BHI . ~ MD GR ~:~I 5 FINAL 9500 10957 ch 2/21/2001 BL, Sepia [~/'LIs verification FINAL " ch 2/21/2001 LIS Verification Paper Copy T ,G"' 0~113112001~f~)9919400-12000 ~ ~ 2101-20EH.-6990'6~ ~---1-t 50,5-13000- ~, ~ "' ~' '~' ~' R.~~.,at~n~ ........ ~----FI,NAL ........... -el~ ..................... 1/31/2001,~.~_~:':!; LIS Verification Paper Copy --.E' MD GR 5 FINAL 9500 11995 ch 1/31/2001 BL, Sepia t.R"~'LIs Verification FINAL ch 2/9/2001 LIS Verification Paper Copy ,L- .......... MDGR ............................................................ 5 ...................................... FIN,AD ............. 1'1593' ............. C 3/28/200009472 --~'" 8400-11900 C 3~28~200009473 ~""0"8500-11936- ..-e~O~ 2/21/200109943'"'" 9430-10960 T T ;Veil Cores/Samples Information: Interval Dataset Name Start Stop Sent Received Number Comments ADDITIONAL INFORMATION Permit to Drill No. 1990860 DATA SUBMITTAL COMPLIANCE REPORT 2/5/2002 Well Name/No. PRUDHOE BAY UNIT 15-25A Operator BP EXPLORATION (ALASKA) INC APl No. 50-029-21842-01-00 MD 11971 TVD 8812 Completion Date 10/16/1999 Completion Status 1-OIL Current Status Well Cored? Y N~ Daily History Received? Chi~,__ ~cl~?._,~,,Y. LN----~----~' ..... Formation Tops Receuived? Analysis Re~"-"~/~ l-OIL UIC N Comments: TRANSMITTAL FORM BAKER HUGHES Baker Atlas Canada Geoscience Centre TO: State of Alaska AOGCC Anchorage, AK 99501 Attn: Reference: -Luri ~ay~or I.a ~ Bt:l. j' ~, Prudhoe Bay Unit 15-25APBI Package contents · 1 LAS Format disk 1 Film 1 Measured Depth GR print 1 TVD-GR print Sent by: Received by: Brad Pramberg Date: January 30, 2001 Date: t:~-o~!-/31 PLEASE ACKNOWLEDGE RECEIPT BY SIGNING & RETURNING OR FAXING YOUR COPY FAX: (403) 537-3767 Baker Atlas, 1300, 401 - 9~* Avenue S.W., Calgary, Alberta T2P 3C5 (403) 537-3400 Fax (403) 537-3767 TRANSMITTAL FORM BAKER HUGHES Baker Atlas Canada Geoscience Centre TO' State of Alaska AOGCC Anchorage, AK 99501 Attn: Reference: Package contents · Prudhoe Bay Unit 15-25APB1 1 LAS Format disk 1 Film 1 Measured Depth GR print 1 TVD-GR print Sent by: Brad Pramberg Received by: ~~1~~ ~C_~ 00t~ -- Date: JDate: February 6, 2001 PLEASE ACKNOWLEDGE RECEIPT BY SIG. N~I~;~ 6as ~T~~G A COPY TO BP E~LO~TION (~AS~) PETROCHEMICAL DATA CENTER 900 E. BENSON BLVD. ~CHO~GE, ALAS~ 99508 Baker Atlas, 1300, 401 - 9~ Avenue S.W., Calgary, Albe~1a T2P 3C5 (403) 537-3400 Fax (403) 537-3767 TRANSMITTAL FORM BAKER HUGHES Baker Atlas Canada Geoscience Centre TO' State of Alaska~ 3001 Porc~e Street Anc~ge, AK 99501 Attn: Reference: Prudhoe Bay Unit 15-25A Package contents · .A/LAS Format disk ,~Films ,1,,Measured Depth GR print ,I,,-TVD- GR prim Sent by: Glen Horel Received by: Date: January 22, 2001 Date: /° -_g3 ]- O [ PLEASE ACKNOWLEDGE RECEIPT BY SIGNING & RETURNING OR FAXING YOUR COPY FAX: (403) 537-3767 Baker Atlas, 1300, 401 - 9t~ Avenue S.W., CalgaW, Alberta T2P 3C5 (403) 537-3400 Fax (403) 537-3767 Schlumberger NO. 121293 3/21/00 Schlumberger Technology Corporation, by and through is Geoquest Division 3940 Arctic Blvd, Suite 300 Anchorage, AK 99503-5711 ATTN: Sherrie Company: Alaska Oil & Gas Cons Corem Attn: Lori Taylor 3001 Porcupine Drive Anchorage, AK 99501 Field: Prudhoe Bay (Cased Hole) Well Job # Log Description Date BL Sepia CD ID.S. 6-15 LEAK DE I ~:CTION LOG 000313 I 1 20022 RST D.S. 15-25A 99400 MCNL .(~ cy H, ,--i, ,?.... 991012 I 1 1 D.S. 15-25A 99452 MCNL '1~-' ~.~'! '> 991130 I I 1 SIGNED: ~.._~c~'V~.(~~ '~ DATE: M~R 2 8 2000 ~Jaska Oil & Please sign and return one copy of this transmittal to Sherrie at the above address or fax to (907) 561-8317. ThJ~3~. STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION REPORT OF SUNDRY WELL OPERATIONS 1. Operations performed: Operation shutdown_ Stimulate_ Plugging_ Per/orate _X Pull tubing _ Alter casing _ Repair well _ Other _ 2. Name of Operator 5. Type of Well: 6. Datum elevation (DF or KB feet) ARCO Alaska, Inc. Development X RKB 62 feet 3. Address Explorato~_~ 7. Unit or Property name P. O. Box 100360 Stratigraphic__ Anchorage, AK 99510-0360 service__ Prudhoe Bay Unit 4. Location of well at surface 8. Well number 1820' FNL, 3863' FEL, Sec. 22, T11 N, R14E, UM (asp's 677361, 5959693) 15-25A At top of productive interval 9. Permit number / a~p~_~ n_~u~~_p 1471' FNL, 1317' FEL, Sec. 22, T11N, R14E, UM (asp's 679900, 5960105) '~-~r~.-!-~,6-0 At effective depth 10. APl number 50-029-21842-01 At total depth 11. Field / Pool 3584' FNL, 981' FEL, Sec. 22, T11 N, R14E, UM (asp's 680288, 5957999) Prudhoe Bay Oil Pool 12. Present well condition summary Total depth: measured 11971 feet Plugs (measured) Tagged PBTD @ 11963' MD (12/01/1999) true vertical 8812 feet Effective depth: measured 11963 feet Junk (measured) true vertical 8812 feet Casing Length Size Cemented Measured Depth True vertical Depth Conductor 112' 20" 215o# Poleset 112' 112' Surface 3459' 10-3/4" lOOO Sx cs III & 600 sx Class G 3521' 3521' Production 8873' 7-5/8" 630 Sx Class G 8935' 8313' Uner 1161' 5-1/2" 20o sx C~ass G 9758' 8814' 3371' 2-3/8" 19.5 bbls 15.8 ppg Class G 11971' 8812' Perforation depth: measured 10320'-10750'; 10800'-11030'; 11084'-11510'; 11676'- 11929'. , EIVED true vertical 8833' - 8825'; 8827' - 8825'; 8825' - 8824'; 8815' - 8810'. DEC Tubing (size, grade, and measured depth) 3-1/2"9.2#, L-80 Tbg @ 8596' MD. ~ 0~ & ~'~ ch0rage Packers & SSSV (type & measured depth) 7-5/8" X 3-1/2" TIW SSBB PERNAMENT PACKER (BEHIND CT LINER) @ 8598' MD. 3-1/2" X @ 2193' MD. 13. Stimulation or cement squeeze summary Intervals treated (measured) (see attached) ORIGINAL Treatment description including volumes used and final pressure 14. Representative Daily Average Production or Injection Data OiI-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure Prior to well operation 740 2125 0 - 359 Subsequent to operation 2096 4181 0 - 397 15. Attachments 16. Status of well classification as: Copies of Logs and Surveys run t Daily Report of Well Operations __X Oil ._X Gas t Suspended ~ Service 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. Signed '~"'-~W', ~"'. ~ ~ ~..,,,~,,¢. ~;;~',,,~ 'l'itle ARCO EngineeringSupervisor Date Erin Oba Prepared by Paul Rauf 263-4990 Form 10-404 Rev 06/15/88 · SUBMIT IN DUPLICATE 15-25A DESCRIPTION OF WORK COMPLETED PERFORATING OPERATIONS Date Event Summary 11/30/1999: 12/01/1999: MIRU CTU. PT'd equip. Could not bullhead any fluid into well. Hot oiled well to 11952' MD. RIH w/Memory CNL/GR/CCL logging tools. Logged well f/8300' - 11963' MD in 2 passes. Swapped well to FIo Pro & KCL Water. POOH w/logging tools. RIH w/tubing conveyed perf guns & shot 253' of Add Perforations @: 11676' - 11929' MD (Zone 1) Reference Log: BHCS 7/30/1988. Used 1-11/16" carriers and all shots @ 4 SPF, random orientation, overbalanced press, & 90° phasing. POOH w/guns & verified ASF. Swapped well to Crude. RD. Returned well to production and obtained valid welltest data. RECEIVED ;c 1 6 1999 Anchorage ,. STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMIV~SSION WELL COMPLETION OR RECOMPLETION REPORT AND LOG 1. Status of well '' ::' Classilicalion of Service Well Oil [~] Gas D Suspended D Abandoned D Service D ::"~i~ -:':'~ ,-, 3. Address 8. APl Number P. O. Box 100360, Anchorage, AK 99510-0360 50-029-21842-01 '-' ;" 4. Location of well at surface 9. Unit or Lease N~'~:::.:~ 3586' F~I_, 982' Fill.., SEC 22, T11 ~, R14E, UM ~;;- ...... ~--: Prudhoe [lay Field 5. EleYation in feet (indicate KB, DF, etc.) 18. Lease Designation and Sedal No. RKB 62 feetI ADL 28306 Prudhoe Bay Oil Pool 12. Date Spudded 13. Date T.D. Reached 14. Date Comp., Susp. Or Aband. 115. Water Depth, if offshore 16. No. of Completions September 26, 1999 October 11, 1999 October 16, 1999I N/A feet MSL 1 17. Total Depth (MD + TVD) 18. Plug Back Depth (MD + TVD) !19. Directional Survey 120. Depth where SSSV set 21. Thickness of Permafrost 11971' MD /8812' TVD 11927' MD /8810' 'T'VD YES r~ No r-~I 2193, feet MD 1900' (approx) 22. Type Electric or Other Logs Run MWD & GR/CCL/CNL 23. CASING, LINER AND CEMENTING RECORD SE'I-rING DEPTH MD CASING SIZE WT. PER FT. GRADE TOP BOTTOM HOLE SIZE CEMENTING RECORD AMOUNT PULLED 20" 91.5# H-40 Surface 112' 30" 2150# Poleset 10-3/4" 45.5# J-55/L-80 Surface 3521' 13-1/2" 1000 Sx CS III & 600 Sx Class G 7-5/8" 29.7# L-80 Surface 8935' 9-7/8" 630 Sx Class G 2-3/8" 4.6# L-80 8595' 11971' 3" 19.5 bbls of 15.8 ppg Class G 24. Pedorations open to Production (MD + TVD of Top and Bottom and 25. TUBING RECORD interval, size and number) SIZE DEPTH SET (MD) PACKER SET (MD) 3-1/2" 8718' 8598' 10320' - 10750' MD; 8833' - 8825' 'I'VD; @ 4 SPF 10800' - 11030' MD; 8827' - 8825' TVD; @ 4 SPF 26. ACID, FRACTURE, CEMENT SQUEEZE, ETC. 11084'- 11510' MD; 8825'-8824'TVD; @ 4SPF DEPTH INTERVAL (MD) AMOUNT & KIND OF MATERIAL USED (See Sidetrack Summary for details) 27. PRODUCTION TEST Date First Production Method of Operation (Flowing, gas lift, etc.) October 19, 1999 Gas Lift Date of Test Hours Tested Production for OIL-BBL GAS-MCF WATER-BBL CHOKE SIZE I GAS-OIL RATIO 10/24/1999 3.0 Test Period >I 2649 Flow Tubing Casing Pressure Calculated OIL-BBL GAS-MCF WATER-BBL OIL GRAVITY - APl (corr) Press. -341 psi 24-Hour Rate > 1362 3608 0 28. CORE DATA Brief description of lithology, porosity, fractures, apparent dips and pressence of oil, gas or water. Submit core chips. * This 10-407 is submitted as directed per the 10-401 form approved September 14, 1999 (Permit #99-86) Form 10-407 Rev. 7-1-80 CONTINUED ON REVERSE SIDE Submit in duplicate 29: ~ 30. NAME Top of Sag River Sand Top of Shublik Top of Sadlerochit GEOLOGIC MARKERS MEAS. DEPTH 8827' 8877' Top of Zone 1B 8961' 9525' TRUE VERT. DEPTH 8223' 8265' 8335' 8768' FORMATION TESTS Include interval tested, pressure data, all fluids recovered and gravity. GOR, and time ol each phase. 31. LIST OF ATTACHMENTS Summary of 15-25A CT Sidetrack Drilling Operations + Survey. 32. I hereby cedify that the following is true and correct to the best of my knowledge. Signed _t/\ ~,~%,, _ ', Title AAI Coil Tubing Drilling Supervisor Bruce E. Smith, P.E. r--o t~ ~ ]~_, 5¢,.~ )~ ~ k Date INSTRUCTIONS Prepared by Paul Rauf 263-4990. 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 the interval reported in item 27. Submit a separate form for each additional interval to be separately produced, showing the data pertinent to such interval. Item 21: Indicate whether from ground level (GL) or other elevation (DF, KB, etc.). Item 23: Attached supplemental records for this well should show the details of any multiple stage cementing and the location of the cementing tool. Item 27: Method of Operation: Flowing, Gas Lift, Rod Pump, Hydraulic Pump, Submersible, Water Injection, Gas Injection, Shut-in, Other-explain. RECEIVED Item 28: If no cores taken, indicate "none". 3 999 Form 10-407 An o je 15-25A DESCRIPTION OF WORK COMPLETED COILED TUBING SIDETRACK DRILLING & TUBING SWAP OPERATIONS SUMMARY Date Event Summary 9/18/1999: MIRU 3S. Rig accepted 0600 hrs. 9/19/1999: Continued MIRU of 3S Rig. Circulated 1% KCL Water to kill well down tbg. NU BOPE. 9/20/1999: PT'd BOPE. Performed rig maintenance. 9/21/1999: PT'd BOPE. Prep for pulling tbg & cntl lines. 9/22/1999: Pulled 3-1/2" tubing. 9/23/1999: Continued to lay down old 3-1/2" completion string, control lines, & clamps. Moved pipe out of tool shed. RIH w/new 3-1/2", 9.3#, L-80 EUE tubing to 3200' MD. 9/24/1999: Continued RIH w/new 3-1/2", 9.3#, L-80 EUE tubing. Landed tubing in packer. PT'd tubing / IA to 2500 & 3000 psi - passed. ND stack. 9/25/1999: NU BOPE. MIRU CTU. PT'd BOPE. RIH w/junk basket. 9/26/1999: Cleaned out liner to 9498' & POOH. Rerun junk basket & POOH. RIH & milled XN nipple @ 8706'. Tagged TOC @ 9457'. Milled pilot hole to 9500' & POOH. RIH & began window milling operation through the 5-1/2" Liner. 9/27/1999"'""J Milled window f/9498' to 9503'. Drilled FM to 9510' & POOH. RIH & dressed window interval. Drilled to 9511' & POOH. RIH w/Bi-Centered bit. Displaced hole to FIo Pro. Performed LOT to EMW of 9.28 ppg. Drilled to 9540' MD. 9/28/1999: Drilled to 9700' & POOH. RIH & drilled to 9805'. POOH. RIH & drilled to 9942'. 9/29/1999: Drilled to 10024' MD. Displaced hole to new mud. Drilled to 10938'. 9/30/1999: POOH. RIH & drilled to 10418' MD. 10/01/1999: Drilled to 10600' & POOH. RIH & drilled to 10692'. 10/02/1999: Drilled to 10957' MD & POOH. PT'd BOPE. 10/03/1999: RIH & experienced unstable shale interval f/10600' - 10957'. POOH. Decision to openhole sidetrack. RIH & troughed f/10020' - 10060'. Time drilled f/10060' - 10073'. 10/04/1999: Drilled to 10090'. Confirmed OH ST. POOH. RIH & drilled to 10514' MD. 10/05/1999: Drilled to 10735'. Pumped Crude. Displaced hole to new mud. Drilled to 10902'. 10/06/1999: 10/07/1999: 10/08/1999: Drilled to 11182' & POOH. RIH w/BHA. Drilled to 11470' MD. Changed out mud. Drilled to 11472'. POOH. Swapped out CT. CTU maintenance. Sidetrack Summary Page I RECEIVED 1999 Anchorage 15-25A DESCRIPTION OF WORK COMPLETED COILED TUBING SIDETRACK DRILLING & TUBING SWAP OPERATIONS SUMMARY Date Event Summary 10/09/1999: 10/10/1999: 10/11/1999: 10/12/1999: 10/13/1999: 10/14/1999: 10/15/1999: 10/16/1999: RIH & drilled to 11743' MD. Drilled to 11863' MD & POOH. BOPE tested. RIH w/BHA. Drilled to TD @ 11988' MD. Conditioned OH. POOH. RIH w/2-3/8" FL4S liner & landed it @ 11988'. Circulated & conditioned hole. Sheared off liner. Stung into liner & pumped 19.5 bbls of 15.6 ppg Class G Cement to cement liner in place. Full returns while pumping. Unstung f/liner. Contaminated Cement w/Biozan & cleaned out liner. POOH. RIH w/CNL-GR-CCL tools & logged well. POOH w/logging tools. No GR data. TOL - 8595'. BOL - TD - 11971'. PT'd liner lap to 2000 psi - lost 200 psi in 30 min. RIH w/Perf guns. Tagged PBTD @ 11927' MD. Shot 1086' of Initial Perforations f/: 10320' - 10750' MD (Zone lB) 10800' - 11030' MD (Zone lB) 11084' - 11510' MD (Zone lB) Used 1-11/16" carriers & shot all Perfs @ 4 SPF, 0° phasing, overbalanced & random orientation. POOH w/guns. ASF. FP'd well. RDMOL. Released CTU rig @ 1530 hrs. Placed well 15-25A on initial production & obtained a valid well test. Sidetrack Summary Page 2 RECEIVED ,',"',~,/ 0 25 3999 Alaska 0it & Gas Cons. C~mi~°n Anchorage 7800 --I-- 8000 8200 > 8600 8800 I V 9000 ARCO Alaska, Inc. Structure : D.S; 15 Field : Prudhoe Boy Tie-in Point 15-25ihs 15-25bbs Proiected to TD Well : 15-25A, 50-029-21842-01 Location : North Slope, Alaska Eosf (feet) -> Brij Potnis 267-6613 Oote plotted : 26-Oct-lggB Plot Reference t~ 15-25A. Coordfnate9 ore in feet reference 15-2.5. True V~rtlcol Depthe are relerence --- I~ker Hughea INT[O --- 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 3400 I I .I ...... I I I I I ,I ) I ..... I ,, I I I I I I ! ! t I ...... I I I I ., Tie-in Point ORIGINAL RECEIVED' 2.7 1999 . · A!iI OII cOm n Proiected to TD L ~cted to TO ~ 15-25ehs 15-25eh~ ~ ~ [' I I t I iI i I I I I i I 1 i i I .... i I I I ' ' I' ' I I I i I-" I'' I I I ' 'l 0 200 4.00 600 800 1000 1200 1400 1600 1800 2000 2200 24.00 2600 2800 3000 ,.3200 Vertical Section (feet) -> Azimuth 167.00 with reference 0.00 N, 0.00 E from 15-25 800 400 200 0 200 400 0 600 800 1 o00 I V 12OO 1400 16O0 1 BO0 2000 2200 ARCO Alaska, Inc. D.S. 15 15-25APB1 15-25 Prudhoe Bay North Slope, Alaska SURVEY LISTING by Baker Hughes INTEQ Your ref : 15-25APB1 Our ref : svy237 License : 50-029-21842-70 Date printed : 26-0ct-1999 Date created : 26-0ct-1999 Last revised : 26-0ct-1999 Field is centred on 708179.340,5930615.440,999.00000,N Structure is centred on 675901.341,5961480.369,999.00000,N Slot location is nT0 17 43.408,w148 33 49.622 Slot Grid coordinates are N 5959693.400, E 677361.000 Slot local coordinates are 1820.77 S 1417.52 E Projection type: alaska - Zone 4, Spheroid: Clarke - 1866 Reference North is True North RECEIVED .,CT 7 1099 ARCO Alaska, Inc. SURVEY LISTING Page 1 D.S. 15,15-25APB1 Your ref : 15-25APB1 Prudhoe Bay,North Slope, Alaska Last revised : 26-Oct-1999 Measured Inclin Azimuth Subsea R E C T A N G U L A R Dogleg Vert G R I D C 00 R D S Depth Degrees Degrees Depth C O 0 R D I N A T E S Deg/100ft Sect Easting Northing 9400.00 42.36 80.66 8616.72 9425.00 42.70 80.58 8635.15 9450.00 43.05 80.50 8653.47 9475.00 43.39 80.42 8671.69 9500.00 43.74 80.34 8689.80 9508.00 50.10 80.30 8695.26 9543.00 59.00 81.70 8715.54 9575.00 67.00 80.00 8730.06 9606.00 74.80 78.60 8740.19 9644.00 82.70 83.80 8747.61 9679.00 89.20 92.10 8750.08 9717.00 89.00 102.30 8750.68 9748.00 88.60 113.80 8751.33 9772.00 85.60 123.30 8752.55 9804.00 80.30 132.00 8756.48 9835.00 81.50 139.30 8761.39 9869.00 86.80 141.70 8764.86 9901.00 91.60 144.10 8765.30 9928.00 92.60 146.50 8764.31 9960.00 93.40 151.20 8762.64 9984.00 93.60 154.20 8761.17 10011.00 93.60 159.10 8759.48 10044.00 89.10 161.20 8758.70 10085.00 94.00 166.80 8757.59 10118.00 95.00 171.50 8755.00 338.47N 2462.14E 1.97 224.06 679814.38 5960089.39 341.23N 2478.81E 1.38 225.13 679830.99 5960092.53 344.02N 2495.59E 1.42 226.18 679847.69 5960095.72 346.86N 2512.47E 1.38 227.21 679864.50 5960098.95 349.74N 2529.46E 1.42 228.23 679881.42 5960102.23 350.72N 2535.22E 79.50 228.57 679887.15 5960103.35 355.16N 2563.35E 25.64 230.57 679915.17 5960108.44 359.70N 2591.48E 25.44 232.47 679943.18 5960113.64 365.14N 2620.24E 25.52 233.64 679971.80 5960119.76 370.82N 2657.03E 24.74 236.39 680008.45 5960126.29 372.05N 2691.87E 30.06 243.02 680043.25 5960128.34 367.30N 2729.51E 26.84 256.12 680080.99 5960124.47 357.71N 2758.93E 37.11 272.08 680110.62 5960115.57 346.27N 2779.96E 41.46 287.96 680131.91 5960104.63 326.91N 2805.08E 31.65 312.47 680157.48 5960085.86 305.04N 2826.46E 23.57 338.60 680179.36 5960064.49 278.95N 2847.96E 17.10 368.86 680201.47 5960038.92 253.43N 2867.26E 16.77 398.05 680221.35 5960013.87 231.25N 2882.62E 9.62 423.12 680237.23 5959992.05 203.91N 2899.14E 14.88 453.48 680254.39 5959965.11 182.63N 2910.13E 12.50 476.69 680265.87 5959944.09 157.90N 2920.80E 18.11 503.19 680277.12 5959919.61 126.88N 2932.00E 15.05 535.93 680289.04 5959888.86 87.51N 2943.29E 18.14 576.83 680301.25 5959849.77 55.21N 2949.49E 14.52 609.70 680308.19 5959817.63 10150.00 93.60 174.70 8752.60 10185.00 91.10 177.00 8751.16 10211.00 87.00 180.40 8751.59 10241.00 84.70 181.10 8753.77 10267.00 84.90 184.40 8756.12 23.53N 2953.32E 10.89 641.42 680312.77 5959786.06 11.34S 2955.85E 9.70 675.97 680316.11 5959751.25 37.32S 2956.44E 20.48 701.42 680317.31 5959725.30 67.24S 2956.05E 8.01 730.48 680317.62 5959695.38 93.10S 2954.80E 12.66 755.40 680316.98 5959669.50 10300.00 82.00 182.00 8759.89 10328.00 82.60 178.70 8763.64 10365.00 87.40 180.30 8766.86 10399.00 87.70 178.80 8768.32 10434.00 87.40 183.50 8769.81 125.83S 2952.97E 11.38 786.87 680315.92 5959636.74 153.57S 2952.80E 11.87 813.87 680316.40 5959609.00 190.41S 2953.12E 13.67 849.84 680317.58 5959572.18 224.38S 2953.39E 4.50 883.00 680318.64 5959538.23 259.33S 2952.69E 13.44 916.90 680318.76 5959503.27 10466.00 85.80 188.90 8771.71 10500.00 84.50 194.80 8774.59 10531.00 88.50 195.90 8776.48 10561.00 88.70 202.20 8777.22 10595.00 86.40 204.90 8778.67 291.08S 2949.24E 17.57 947.05 680316.06 5959471.46 324.22S 2942.29E 17.71 977.78 680309.88 5959438.17 354.05S 2934.10E 13.38 1005.00 680302.39 5959408.15 382.38S 2924.32E 21.00 1030.41 680293.28 5959379.60 413.52S 2910.75E 10.43 1057.69 680280.44 5959348.16 10625.00 87.10 203.90 8780.37 10658.00 88.30 203.30 8781.69 10688.00 89.00 202.80 8782.40 10719.00 89.90 202.70 8782.70 10762.00 91.00 201.00 8782.36 440.79S 2898.37E 4.06 1081.49 680268.71 5959320.60 471.01S 2885.17E 4.06 1107.96 680256.22 5959290.09 498.61S 2873.43E 2.87 1132.21 680245.13 5959262.22 527.19S 2861.44E 2.92 1157.36 680233.81 5959233.37 567.10S 2845.44E 4.71 1192.65 680218.75 5959193.10 10801.00 91.00 201.20 8781.68 10831.00 91.30 200.50 8781.08 10863.00 92.00 200.60 8780.16 10895.00 91.80 197.80 8779.10 10957.00 91.80 197.80 8777.15 603.48S 2831.40E 0.51 1224.94 680205.57 5959156.40 631.51S 2820.73E 2.54 1249.85 680195.55 5959128.13 661.46S 2809.50E 2.21 1276.51 680185.03 5959097.93 691.66S 2798.98E 8.77 1303.57 680175.22 5959067.49 750.66S 2780.04E 0.00 1356.80 680157.67 5959008.07 Ail data in feet unless otherwise stated. Calculation uses minimum curvature method. Coordinates from 15-25 and SSTVD from RKB - MSL = 62 ft. Bottom hole distance is 2879.60 on azimuth 105.11 degrees from Vertical section is from wellhead on azimuth 167.00degrees. Grid is alaska - Zone 4. Grid coordinates in FEET and computed using the Clarke - 1866 spheroid Presented by Baker Hughes INTEQ Alaska 0tl & Gas Ogl~s.(~ll~~l AnYone ARCO Alaska, Inc. D.S. 15,15-25APB1 Prudhoe Bay,North Slope, Alaska SURVEY LISTING Page 2 Your ref : 15-25APB1 Last revised : 26-0ct-1999 Measured Inclin Azimuth Subsea Depth Degrees Degrees Depth R E C T A N G U L A R Dogleg vert G R I D C 00 R D S C 0 0 R D I N A T E S Deg/100ft Sect Easting Northing RECEIVED , ,CT 2_ 7 ]999 . homge All data in feet unless otherwise stated. Calculation uses minimum curvature method. Coordinates from 15-25 and SSTVD from RKB - MSL = 62 ft. Bottom hole distance is 2879.60 on azimuth 105.11 degrees from wellhead. vertical section is from wellhead on azimuth 167.00 degrees. Grid is alaska - Zone 4. Grid coordinates in FEET and computed using the Clarke - 1866 spheroid Presented by Baker Hughes INTEQ ARCO Alaska, Inc. D.S. 15, 15-25APB1 prudhoe Bay,North Slope, Alaska SURVEY LISTING Page 3 Your ref : 15-25APB1 Last revised : 26-0ct-1999 Comments in wellpath _. MD SSTVD Rectangular Coords. Comment 9400.00 8616.72 338.47N 2462.14E Tie-in Point 10957.00 8777.15 750.66S 2780.04E Projected to TD Targets associated with this wellpath Target name Geographic Location SSTVD Rectangular Coordinates Revised 15-25bhs 680200.000,5959750.000,999.00 8770.00 9.88S 2839.73E 31-Aug-1999 15-25ihs 680150.000,5958900.000,999.00 8770.00 858.53S 2769.84E 31-Aug-1999 15-25ehs 680300.000,5957750.000,999.00 8755.00 2011.80S 2892.89E 31-Aug-1999 REC6iVED (,(,.,-'f' 2. 7 %999 ARCO Alaska, Inc. D.S. 15 15-25A 15-25 Prudhoe Bay North Slope, Alaska SURVEY LISTING by Baker Hughes INTEQ Your ref : 15-25A Our ref : svy238 License : 50-029-21842-01 Date printed : 26-0ct-1999 Date created : 26-0ct-1999 Last revised : 26-0ct-1999 Field is centred on 708179.340,5930615.440,999.00000,N Structure is centred on 675901.341,5961480.369,999.00000,N Slot location is n70 17 43.408,w148 33 49.622 Slot Grid coordinates are N 5959693.400, E 677361.000 Slot local coordinates are 1820.77 S 1417.52 E Projection type: alaska - Zone 4, Spheroid: Clarke - 1866 Reference North is True North RECEIVED 3999 Aimm Oi & .c m l°n ARCO Alaska, Inc. D.S. 15,15-25A Prudhoe Bay,North Slope, Alaska SURVEY LISTING Page 1 Your ref : 15-25A Last revised : 26-Oct-1999 Measured Inclin Azimuth Subsea R E C T A N G U L A R Dogleg Vert G R I D C O O R D S Depth Degrees Degrees Depth C O O R D I N A T E S Deg/100ft Sect Easting Northing 9400.00 42.36 80.66 8616.72 9425.00 42.70 80.58 8635.15 9450.00 43.05 80.50 8653.47 9475.00 43.39 80.42 8671.69 9500.00 43.74 80.34 8689.80 338.47N 2462.14E 1.97 224.06 679814.38 5960089.39 341.23N 2478.81E 1.38 225.13 679830.99 5960092.53 344.02N 2495.59E 1.42 226.18 679847.69 5960095.72 346.86N 2512.47E 1.38 227.21 679864.50 5960098.95 349.74N 2529.46E 1.42 228.23 679881.42 5960102.23 9508.00 50.10 80.30 8695.26 9543.00 59.00 81.70 8715.54 9575.00 67.00 80.00 8730.06 9606.00 74.80 78.60 8740.19 9644.00 82.70 83.80 8747.61 350.72N 2535.22E 79.50 228.57 679887.15 5960103.35 355.16N 2563.35E 25.64 230.57 679915.17 5960108.44 359.70N 2591.48E 25.44 232.47 679943.18 5960113.64 365.14N 2620.24E 25.52 233.64 679971.80 5960119.76 370.82N 2657.03E 24.74 236.39 680008.45 5960126.29 9679.00 89.20 92.10 8750.08 9717.00 89.00 102.30 8750.68 9748.00 88.60 113.80 8751.33 9772.00 85.60 123.30 8752.55 9804.00 80.30 132.00 8756.48 372.05N 2691.87E 30.06 243.02 680043.25 5960128.34 367.30N 2729.51E 26.84 256.12 680080.99 5960124.47 357.71N 2758.93E 37.11 272.08 680110.62 5960115.57 346.27N 2779.96E 41.46 287.96 680131.91 5960104.63 326.91N 2805.08E 31.65 312.47 680157.48 5960085.86 9835.00 81.50 139.30 8761.39 9869.00 86.80 141.70 8764.86 9901.00 91.60 144.10 8765.30 9928.00 92.60 146.50 8764.31 9960.00 93.40 151.20 8762.64 305.04N 2826.46E 23.57 338.60 680179.36 5960064.49 278.95N 2847.96E 17.10 368.86 680201.47 5960038.92 253.43N 2867.26E 16.77 398.05 680221.35 5960013.87 231.25N 2882.62E 9.62 423.12 680237.23 5959992.05 203.91N 2899.14E 14.88 453.48 680254.39 5959965.11 9984.00 93.60 154.20 8761.17 10011.00 93.60 159.10 8759.48 10044.00 89.10 161.20 8758.70 10077.00 89.50 163.30 8759.10 10117.00 88.60 165.20 8759.76 182.63N 2910.13E 12.50 476.69 680265.87 5959944.09 157.90N 2920.80E 18.11 503.19 680277.12 5959919.61 126.88N 2932.00E 15.05 535.93 680289.04 5959888.86 95.45N 2942.06E 6.48 568.82 680299.83 5959857.69 56.96N 2952.92E 5.26 608.76 680311.58 5959819.46 10158.00 87.20 169.80 8761.27 10189.00 85.10 173.20 8763.35 10224.00 85.10 176.90 8766.34 10252.00 86.90 178.70 8768.29 10279.00 87.40 180.20 8769.64 16.97N 2961.78E 11.72 649.72 680321.38 5959779.69 13.61S 2966.36E 12.87 680.55 680326.67 5959749.23 48.35S 2969.36E 10.53 715.07 680330.49 5959714.57 76.26S 2970.44E 9.08 742.51 680332.21 5959686.70 103.22S 2970.69E 5.85 768.84 680333.10 5959659.75 10313.00 88.60 182.90 8770.82 10344.00 88.90 186.00 8771.50 10375.00 88.60 188.20 8772.18 10409.00 88.70 190.30 8772.98 10442.00 91.40 190.20 8772.95 137.19S 2969.77E 8.69 801.72 680332.98 5959625.78 168.08S 2967.37E 10.04 831.29 680331.30 5959594.84 198.83S 2963.54E 7.16 860.39 680328.19 5959564.00 232.38S 2958.08E 6.18 891.85 680323.51 5959530.34 264.85S 2952.20E 8.19 922.16 680318.40 5959497.74 10470.00 93.10 191.00 8771.85 10501.00 93.70 194.90 8770.01 10534.00 93.10 196.20 8768.05 10576.00 90.10 195.40 8766.88 10612.00 88.50 193.40 8767.32 292.35S 2947.06E 6.71 947.80 680313.90 5959470.13 322.50S 2940.13E 12.71 975.62 680307.68 5959439.83 354.24S 2931.29E 4.33 1004.56 680299.59 5959407.90 394.63S 2919.86E 7.39 1041.34 680289.11 5959367.25 429.49S 2910.91E 7.11 1073.30 680280.98 5959332.19 10650.00 92.80 192.70 8766.89 10682.00 94.10 186.50 8764.96 10714.00 91.70 189.20 8763.34 10741.00 89.00 187.60 8763.18 10778.00 87.40 183.30 8764.34 466.50S 2902.34E 11.46 1107.43 680273.27 5959294.99 497.98S 2897.01E 19.76 1136.90 680268.68 5959263.40 529.63S 2892.64E 11.28 1166.76 680265.06 5959231.66 556.34S 2888.70E 11.62 1191.90 680261.75 5959204.87 593.15S 2885.19E 12.39 1226.97 680259.10 5959167.99 10809.00 88.20 178.70 8765.53 10840.00 90.40 177.50 8765.91 10877.00 91.50 174.40 8765.30 10915.00 92.60 171.00 8763.94 10952.00 92.10 168.00 8762.42 624.11S 2884.65E 15.05 1257.02 680259.28 5959137.03 655.09S 2885.68E 8.08 1287.43 680261.03 5959106.08 691.98S 2888.29E 8.89 1323.97 680264.51 5959069.26 729.65S 2893.11E 9.40 1361.75 680270.21 5959031.72 765.99S 2899.85E 8.21 1398.68 680277.80 5958995.55 Ail data in feet unless otherwise stated. Calculation uses minimum curvature method. Coordinates from 15-25 and SSTVD from RKB- MSL = 62 ft. Bottom hole distance is 3382.26 on azimuth 121.42 degrees from wellhead[ vertical section is from wellhead on azimuth 167.00 degrees. Grid is alaska - Zone 4. Grid coordinates in FEET and computed using the Clarke- 1866 spheroid Presented by Baker Hughes INTEQ AnchoT e ARCO Alaska, Inc. D.S. 15,15-25A Prudhoe Bay,North Slope, Alaska SURVEY LISTING Page 2 Your ref : 15-25A Last revised : 26-0ct-1999 Measured Inclin Azimuth Subsea R E C T A N G U L A R Dogleg Vert G R I D C O 0 R D S Depth Degrees Degrees Depth C O O R D I N A T E S Deg/100ft Sect Easting Northing 10983.00 89.20 167.00 8762.07 796.25S 2906.56E 9.90 1429.68 680285.21 5958965.45 11014.00 89.40 165.40 8762.45 826.35S 2913.95E 5.20 1460.67 680293.31 5958935.54 11055.00 89.70 170.80 8762.77 866.46S 2922.40E 13.19 1501.65 680302.69 5958895.64 11094.00 88.60 173.50 8763.35 905.08S 2927.73E 7.47 1540.48 680308.92 5958857.16 11131.00 87.60 177.30 8764.57 941.94S 2930.69E 10.61 1577.06 680312.75 5958820.38 11167.00 90.40 178.00 8765.20 977.90S 2932.17E 8.02 1612.43 680315.07 5958784.47 11197.00 89.30 182.70 8765.28 1007.89S 2931.99E 16.09 1641.61 680315.59 5958754.49 11229.00 90.50 187.80 8765.34 1039.74S 2929.06E 16.37 1671.99 680313.41 5958722.57 11276.00 90.70 189.50 8764.84 1086.20S 2921.99E 3.64 1715.67 680307.43 5958675.96 11308.00 88.40 191.70 8765.10 1117.65S 2916.11E 9.95 1744.99 680302.28 5958644.39 11341.00 92.40 190.60 8764.87 1150.02S 2909.73E 12.57 1775.09 680296.66 5958611.88 11381.00 90.20 195.40 8763.96 1188.97S 2900.73E 13.20 1811.02 680288.58 5958572.73 11418.00 89.60 194.50 8764.02 1224.72S 2891.19E 2.92 1843.70 680279.88 5958536.77 11441.00 91.30 197.60 8763.84 1246.82S 2884.83E 15.37 1863.81 680274.04 5958514.53 11476.00 91.10 196.20 8763.11 1280.30S 2874.66E 4.04 1894.14 680264.65 5958480.83 11512.00 93.80 199.70 8761.57 1314.51S 2863.58E 12.27 1924.98 680254.38 5958446.37 11542.00 95.00 196.90 8759.27 1342.90S 2854.19E 10.13 1950.53 680245.65 5958417.76 11584.00 94.60 192.00 8755.75 1383.42S 2843.75E 11.66 1987.66 680236.17 5958377.02 11621.00 91.00 185.70 8753.94 1419.91S 2838.07E 19.59 2021.94 680231.34 5958340.40 11650.00 91.00 181.30 8753.43 1448.84S 2836.30E 15.17 2049.74 680230.25 5958311.44 11681.00 91.60 179.30 8752.73 1479.83S 2836.14E 6.73 2079.90 680230.81 5958280.46 11715.00 94.90 177.70 8750.80 1513.76S 2837.02E 10.78 2113.16 680232.50 5958246.56 11743.00 94.50 175.80 8748.51 1541.62S 2838.60E 6.91 2140.66 680234.73 5958218.75 11770.00 92.20 175.70 8746.93 1568.50S 2840.60E 8.53 2167.30 680237.36 5958191.92 11803.00 91.90 172.40 8745.75 1601.30S 2844.02E 10.03 2200.02 680241.54 5958159.22 11836.00 91.30 171.30 8744.83 1633.95S 2848.70E 3.80 2232.89 680246.98 5958126.69 11868.00 88.00 164.20 8745.03 1665.20S 2855.48E 24.46 2264.86 680254.49 5958095.61 11894.00 87.20 164.20 8746.11 1690.19S 2862.55E 3.08 2290.81 680262.15 5958070.79 11939.00 87.10 161.90 8748.35 1733.18S 2875.66E 5.11 2335.64 680276.25 5958028.12 11971.00 86.50 159.40 8750.14 1763.32S 2886.24E 8.02 2367.39 680287.54 5957998.24 REC, t:NED 7 1999 All data in feet unless otherwise stated. Calculation uses minimum curvature method. Coordinates from 15-25 and SSTVD from RKB - MSL = 62 ft. Bottom hole distance is 3382.26 on azimuth 121.42 degrees from wellhead. Vertical section is from wellhead on azimuth 167.00 degrees. Grid is alaska - Zone 4. Grid coordinates in FEET and computed using the Clarke - 1866 spheroid Presented by Baker Hughes INTEQ ARCO Alaska, Inc. D.S. 15,15-25A Prudhoe Bay,North Slope, Alaska SURVEY LISTING Page 3 Your ref : 15-25A Last revised : 26-Oct-1999 Comments in wellpath MD SSTVD Rectangular Coords. Comment 9400.00 8616.72 338.47N 2462.14E Tie-in Point 11971.00 8750.14 1763.32S 2886.24E Projected to TD Targets associated with this wellpath __ Target name Geographic Location SSTVD Rectangular Coordinates Revised 15-25bhs 680200.000,5959750.000,999.00 8770.00 9.88S 2839.73E 31-Aug-1999 15-25ihs 680150.000,5958900.000,999.00 8770.00 858.53S 2769.84E 31-Aug-1999 15-25ehs 680300.000,5957750.000,999.00 8755.00 2011.80S 2892.89E 31-Aug-1999 RECEIVED 2[7 1999 MEMORANDUM TO: State of Alaska Alaska Oil and Gas Conservation Commission Robert Christenson,~) DATE' September 25, 1999 Chairman THRU: Blair Wondzeil, P. I. Supervisor FROM' John Crisp,'~i~~ SUBJECT: Petroleum IH'spector FILE NO: bop nabors 3s 9-25-99jc.doc BOPE Test Nabors/Dowell 3s Prudhoe Bay Field AAI Pad #15-25A September 25,1999: John Spaulding & myself traveled to Nabors/Dowell 3s to witness Coil Tbg. Drilling BOPE test. MR. Spaulding walked me thru coil tbg. Drilling operations. AOGCC BOPE test report is attached for reference. The rig manager @ the time of test was Dowell employee. Rig hands were Nabors Drilling employees. Coil Tbg. Unit & Rig were in good shape. No failures of equipment witnessed. SUMMARY: BOP test on Dowell/Nabors 3s was witnessed by AOGCC inspector. Did not witness gas detector test due to emergency call to BPX M Attachments: bop dowell nabors 3s 9-25-99jc.xls cc; NON-CONFIDENTIAL STATE OF ALASKA OIL AND GAS CONSERVATION COMMISSION Coil Tubing Unit BOPE Test Report OPERATION: Drlg: x Workover: Drlg Contractor: Dowell/Nabors 3-S Rig No. Operator: ARCO ALASKA INC. Well Name: 15-25A Casing Size: 5 1/2" Set @ 9758' Test: Initial X Weekly Other #4/3S PTD # Rep.: Rig Rep.: Location: Sec. DATE: 9/25/99 99-86 Rig Ph.# 659-55'/4 Gary Goodrich Dave Duerr 22 T. 1'IN R. 14E Meridian UM TEST BOP STACK: Coil Tubing Unit: Pipe/Slip Rams Pipe/Slip Rams Blind Rams Reel Isolation Valve Deployment: Annular Preventer Pipe Rams Lower Pipe Rams Blind Rams Choke Ln. Valves HCR Valves Kill Line Valves Test Quan. Pressure P/F 1 350/3500 P 1 350/3500 P 1 250/2500 P 1 slip rams N/A 1 35O/35OO P 1 350/3500 P 1 350/3500 P 2 350/3500 P CHOKE MANIFOLD: No. Valves No. Flanges Manual Chokes Hydraulic Chokes Test Quan. Pressure P/F 13 350/3500 P 32 350/3500 P 1 P ACCUMULATOR SYSTEM: System Pressure Pressure After Closure 200 psi Attained After Closure System Pressure Attained Blind Switch Covers: Master: Nitgn. Btl's: 4 @ 2000 avg. Functioned Functioned MUD SYSTEM: Visual Alarm MISC. INSPECTIONS: Trip Tank n/a n/a Location Gen.: ok Pit Level Indicators x x Housekeeping: ok Meth Gas Detector x x _ Permit to drill: ok H2S Gas Detector x x . Standing Order Posted 3,000 2,300 P minutes $ sec. minutes 26 sec. X Remote: X Psig. ok Well Sign ok Drl. Rig ok Hazard Sec. yes ~ TEST RESULTS Number of Failures: 0 ,Test Time~ 5.0 Hours. Number of valves tested '/9 Repair or Replacement of Failed Equipment will be made within ~ Notify the Inspector and follow with Written or Faxed verification to the AOGCC Commission Office at: Fax No. 276-7542 Inspector North Slope Pager No. 659-3607 If your call is not returned by the inspector within 12 hours please contact the P. I. Supervisor at 279-1433 REMARKS: Did not witness gas detector test due to carl to travel to M pad. Distribution: orig-Well File c- Oper./Rig c - Database c - Trip Rpt File c- Inspector STATE WITNESS REQUIRED? YES x NO 24 HOUR NOTICE GIVEN YES x NO Waived By: Witnessed By: John Crisp & John Spaulding Form Revised 2/20/97 L.G. bop nabors 3s 9-25-99jc.xls.xlt 9127199 TON Y KNO WL ES, GO VERNOR ALASKA OIL AND GAS CONSERVATION COMMISSION 3001 PORCUPINE DRIVE ANCHORAGE, ALASKA 99501-3192 PHONE: (907) 279-1433 FAX: (907) 276-7542 September 14. 1999 Bruce E. Smith. P.E. AAI Coil Tubing Drilling Supervisor ARCO Alaska, Inc. P O Box 100360 Anchorage, AK 99510-0360 Rc~ Prudhoe Bay Unit 15-25A ARCO Alaska. Inc. Permit No: 99-86 Sur Loc: 1820'FNL. 3863'FEL. Sec. 22, T11N. R14E. UM Btmhole Loc. 3836'FNL. 977'FEL. Sec. 22. T11N. R14E. UM Dear Mr. Smith: Enclosed is the approved application for permit to redrill the above referenced well. The permit to rednll does not exempt you from obtaining additional permits required bv law from other governmental agencies, and does not authorize conducting drilling operations until all other required permitting determinations are made. Blowout prevention equipment (BOPE) must be tested in accordance with 20 AAC 25 035. Sufficient notice (approximately 24 hours) must be given to allow a representative of the Commission to witness a test of BOPE installed prior to drilling new hole. Notice may be given bx' contacting the Commission petroleum field inspector on the North Slope pager at 659-3607. obert N. Christenson. P. E. Chairman BY ORDER OF THE COMMISSION dlffEnclosures CC2 Department of Fish & Game. Habitat Section w/o encl. Department of Environmental Conservation w/o encl. STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION PERMIT TO DRILL 20 AAC 25.005 la. Type of work: Drill D Redrill r~ I lb. Type of well. Exploratory E~ Stratigraphic Test E~ Development Oil r~ Re-entry D Deepen DJ Service Development Gas D Single Zone r~ Multiple Zone 2. Name of Operator 5. Datum elevation (DF or KB) 10. Field and Pool ARCO Alaska, Inc. RKB 62 feet 3. Address 6. Property Designation Prudhoe Bay Field P.O. Box 100360 Anchorage, AK 99510-0360 ADL 28306 Prudhoe Bay Oil Pool 4. Location of well at sudace 7. Unit or property Name 11. Type Bond (see 20 AAC 25.0251) 1820' FNL, 3863' FEL, Sec. 22, T11 N, R14E, UM Prudhoe Bay Unit Statewide At top of productive interval 8. Well number Number 1609' FNL, 1320' FEL, SEC. 22, T11N, R14E, UM 15-25A #U-630610 At total depth 9. Approximate spud date Amount 3836' FNL, 977' FEL, Sec 22, T11N, R14E, UM September 15, 1999 $200,000 12. Distance to nearest property line I 13. Distance to nearest well 14. Number of acres in property 15. Proposed depth (MD and '['VD) feetI No Close Approach feet 12361' MD / 8817' TVD 16. To be completed for deviated wells 17. Anticipated pressure (see 20 AAC 25.035 (e)(2)) i Kicko~f depth: 9580' MD Maximum hole angle 91° Maximum surface 2500 psig At total depth (TVD) 3370 psi~l @ 8800' 18. Casing pmgrarn Settin~l Depth size Specifications Top Bottom Quant~ of Cement Hole Casing Weight Grade Coupling Length MD TVD MD TVD /include sta~e dalaI 3" 2-3/8" 4.6 L-80 FL4S 3733' 8628' 8055' 12361' 8817' 14 bbls ~J: To be completed for Redrill, Re-entry, and Deepen Operations. Present well condition summary ,- Total Depth: measured 9760 feet Plugs (measured) PBTD tagged @ 9598' MD (5/23/1999) true vertical 8935 feet Effective Depth: true measured vertical 8821 9598 feet feet Junk(measured) 0RI$1NAL Casing Length Size Cemented Measured depth True Vertical depth Conductor 110' 20" 2150# Poleset 112' 112' Surface 3488' 10-3/4" 1000 Sx CS III & 600 Sx Class G 3521' 3521' Production 8873' 7-5/8" 630 Sx Class G 8935' 8313' Liner 1161' 5-1/2" 200 Sx Class G ~.~: !.. . ~ . 9758' 8933' Perforation depth: measured 9583' - 9628'. . .";_ ~ true vertical 8811'- 8842'. ;~!-~.=;~-~., ~_-'.!i .~.~ ;~i~.:.::~ ~'~-;!!:' ~'~'? .... ' .-~.~,,~ ~., '.:.., ~o. Attachments ~,ng fee rtl Proper~ P~at I--I BOP Sketch I~1 Dive,er Sketch I--I Pri,ing program 171 $,,ing,uid program T~me vs depth plot I--I .efraction ~na~s~ I--I Se~ed report I--I ~0 ~C ~.0,0 requirements I--I 21. I hereby certify that the foregoing is true and correct to the best of my knowledg6 Questions? Ca#Andy Kirk @ 360-1287. Signed ~~~,~ Title: AAlCoilTubingDrillingSupervisor Date/''-' Bruce E Smith P E Prepared b)/ Paul Rauf 263-4990 Commission Use Onl) Perm~;~b~r(~:>~ I APl number ISee cover letter 50-~ ~ ~' -' ~/x ~:::~,.~._c~/J Approva~a.~t~//,~,,,. ff Ifor other requirements Conditions of approval Samples required D Yes [~ No Mud Icg required Yes No Hydrogen sulfidemeasures ~71 Yes D No Directional surveyrequired ~ Yes E~ No Required working pressure for BOPE D2M; E~](~ r'~ 5M; [~ lOM;[~] [~] 3500 psi for CTU Other:. ORIGINAL SIGNED BY by order of /~. Approved by Rc)h~ N. Ch_n.'~f.,,, .... commissioner the commission Date Form 10-401 Rev. 12/1/85 · Submit in triplicate 15-25A CTD Sidetrack Objective Plug back existing wellbore. Directionally drill a horizontal well from the existing well bore. Complete with 2-3/8" cemented liner. Perforate and produce. CTD Operational Summary 1) 2) 3) 4) 5) 6) Mill 2.8" window off of Baker through tubing whipstock. Drill 2.75" x 3" build section to horizontal +/- 500'. Drill 2.75" x 3" horizontal section +/- 2000'. Run and cement 2-3/8" FL4S liner. Run CNL. Perforate -1000'. 7) Displace well to crude to top of liner. 8) RDMO. Note; Drill cuttings will be disposed of at the Grind and Inject plant. Drilling mud will be disposed of at the Grind and Inject plant or Pad-3 facility. 10-3/4" Shoe @ 3521' DS 15-25A Proposed CT Sidetrack 3-1/2", 9.2#, L-80 Tbg to 8718' TOL @ ~8628' 7-5/8" Shoe @ 8935' Top of Liner ,,~ Cement @ 9200' Whipstock @ 9580'j 7-5/8" x 3-1/2" Packer @ 8597' Tubing Tail @ 8718' 3" Open Hole 2-3/8" FL4S Liner Cemented & Perforated TD @ 12360.5' 5-1/2" Shoe @ 9760' Drilling Wellhead Detail ~ CT Injector Head ~ Stuffing Box (Pack-Off), 10,000 psi Working Pressure -~-- ~ ~1 I -'- 7" Riser Methanol Injection ~ I Otis 7" WLA Quick I' ' I Connect I I Annular BOP (Hydril),7-1/16" ID 5,000 psi working pressure Alignment Guide Flange 7-1/16", 5M Ram Type Dual Gate BOPE Flanged Fire Resistant Kelly Hose to Dual HCR Choke Manifold Cutters or Combination Cutter/Blinds Slip / Pipe rams Manual Valves Drilling spool 7-1/16", 5M by 7-1/16", 5M Ram Type Dual Gate BOPE Manual over Hydraulic ~ 7-1/16" ID with Pipe/Slip Rams Manual Master Valve 0.458' (5.5") 2" Pump-In Hanger Fire resistant Kelly Hose to Flange by Hammer up 1/4 Turn Valve on DS Hardline to Standpipe manifold 9-5/8" Annulus 13-3/8" Annulus Mu~ Tanks 60/40 [ Trplx [ ,. I I I Ext. Shop Fuel Boilers Water Pump Roo Fire Ext. Ext. /~Pipe rac/~ Dowell Drilling Equipment Trailer Preferred Major Equipment Layout for CT Drilling ARCO Plan.xlt 7800- - 8000- - 8200- 84oo- 8600- 6soo 9000 Structure : D.S. 15 Well : 15-25A Plan, 50-029-21842-01 ............................. ~?,..:.....".L".?..~,.~t.. ,".~.~. ............................................ ..L..?.,~?.!!~.~..,:.....?.~ ".!.?.?.~.t~...*..!?..',~?,. .............. J Tie-in Point K'ck off Po'hr 3 4 15-25bhs Eosf (feet) -> 80,0 , ~070 , 1~,00 , ,4,00 , 16,00 , 18,00 , ~0,00 , ~2,00 , 24,00 , ~6,00 , ~,00 , ~0,00 , ~,00 ,,'~o ' o ................................. 4 ihs 5 TD :5-25)hs 15-25ehs TD 15-25ehs Crm~ted by po~nl'~ ................................ ....................... Plot Eelermncm Trum Vorticol Dop~h. are reference RKO - MSL - 62 ft.~ , , 0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 3200 $400 5600 5800 4000 4200 Verficel Section (feet) -> Azimuth 1 66.00 with reference 0.00 N, 0.00 E from 15-25 34.00 36,00 II 600 600 r- --~. :3- 800 1000 I - V - 1200 - - 1400 1800 · · 2000 Prepared by BHI 9/1/99 Proposal Calculations ~G~-$ Coordinates provided in: TRUE and GRID relative to Wellhead INTEQ and ALASKA STATE PLAN Company: ARCO Alaska, Inc. Vertical Sect. Plane: 166.000 TRUE Job No: 0 Field: Prudhoe Bay, Alaska Mag. Declination: 27.420 AFE No: 0 Well: 15-25A Version#1 Grid Correction: 1.340 API No: 50-029-21842-01 Rig: Nabors 3S Total Correction: 26.080 BHI Rep: 0 Surface Location Dip: 80.720 Job Start Date: 00-Jan-00 X: 677361.0 RKB Height: 62.000 Job End Date: 00-Jan-00 Y: 5959693.4 · Meas. Incl. TRUE Subsea Coords. - True Coords. - ASP Dogleg Vertical Tool Face! Build Turn i-' Depth Angle Azi. TVD N(+)/S(-) E(+)/W(-) N(+)/S(-) E(+)/W(-) Severity Section Comments (deg) (deg) (ft) Lat. (Y) Dep. (X) Lat. (Y) Dep. (X) (°/100ft) (TIP) (°/100ft) (°/100ft) 9400.00 42.36 80.66 8616.72 338.47 2462.14 5960089.39 679814.38 0.00 267.23 -9.00 0.00 0.00 Tie-in Point 9425.00 42.70 80.58 8635.15 341.23 2478.81 5960092.53 679830.99 1.40 268.59 -9.00 1.36 -0.32 9450.00 43.05 80.50 8653.47 344.02 2495.59 5960095.72 679847.69 1.40 269.93 -8.00 !.40 -0.32 9475.00 43.39 80.42 8671.68: 346.86 2512.48 5960098.96 679864.51 1.40 271.26 -8.00 1.36 -0.32 9500.001 43.74 80.34 8689.80 349.74 2529.46 5960102.23 679881.42 1.401 272.58 34.00 1.40 -0.32 Kick-off Point 9525.00 49.00 85.01 8707.05 352.01 2547.40 5960104.92 679899.30 25.00 274.71 31.00 21.04 18.68 9550.00 54.42 88.98 8722.53 353.02 2566.98 5960106.39 679918.85 25.00 278.48 28.00 21.68 15.88 9575.00 59.96 92.43 8736.08 352.74 2587.98 '5960106.60 679939.85 25.00 283.83 26.00 22.16 13.80 9600.00 65.57 95.52 8747.52 351.18 2610.14 5960105.56 679962.04 25.00 290.70 25.00 22.44 12.36 9625.00 71.24 98.35 8756.72 348.37 2633.20 5960103.28 679985.16 25.00 299.01 24.00 22.68 11.32 9650.00 76.96 100.99 8763.56 344.32 2656.89 5960099.80 680008.93 25.00 308.66 23.00 22.88 10.56 9675.00 82.69 103.51 8767.98 339.10 2680.92 5960095.14 680033.08 25.00 319.55 23.00 22.92 10.08 9700.00 88.44 105.96 8769.91 332.76 2705.02 5960089.37 680057.31 25.00 331.52 22.00 23.00 9.80 9706.76 90.00 106.62 8770.00 330.87 2711.50 5960087.63 680063.84 25.00 334.93 90.00 23.08 9.76 3 9725.00 90.00 111.18 8770.00 324.96 2728.76 5960082.12 680081.23 25.00 344.84 90.00 0.00 25.00 9750.00 90.00 117.43' 8770.00 314.67 2751.53 5960072.38 680104.23 25.00 360.33 90.00 0.00 25.00 9775.00 90.00 123.68 8770.00 301.97 2773.05 5960060.18 680126.04 25.00 377.86 90.00 0.00 25.00 9800.00 90.00 129.93 8770.00 287.00 2793.05 5960045.68 680146.39 25.00 397.22 90.00 0.00 25.00 9825.00 90.00 136.18 8770.00 269.94 2811.31 5960029.06 680165.04 25.00 418.19 90.00 0.00 25.00 9850.00 90.00 142.43 8770.00 251.00 2827.61 5960010.50 680181.77 25.00 440.52 90.00! 0.00 25.00 9860.28 90.00 145.00 8770.00 242.71 2833.69 5960002.36 680188.05 25.00 450.03 89.00 0.00 25.00 4 9875.00 90.00 146.02 8770.00 230.58 2842.02 5959990.43 680196.66 6.90 463.82 89.00 0.00 6.93 9900.00 90.00 147.74 8770.00 209.64 2855.68 5959969.82 680210.81 6.90 487.44 89.00 0.00 6.88 9925.00 90.00 149.47 8770.00 188.30 2868.71 5959948.79 680224.33 6.90 5 ! 1.29 89.00 0.00 6.92 9950.00 90.00 151.19 8770.00 166.58 2881.08 5959927.37 680237.21 6.90 535.36 89.00 0.00 6.88 9975.00 90.00 152.92 8770.00 144.50 2892.80 5959905.56 680249.44 6.90 559.62' 89.00 0.00 6.92 10000.00 90.00 154.64 8770.00 122.07 2903.84 5959883.40 680261.00 6.90 584.06 89.00 0.00 6.88 10025.00 90.00 156.37 8770.00 99.32 2914.21 5959860.90 680271.90 6.90 608.64 89.00 0.00 6.92 10050.00 90.00 158.09 8770.00 76.27 2923.89 5959838.09 680282.11 6.90 633.34 89.00 0.00 6.88 10075.00 90.00 159.82 8770.00 52.94 2932.86 5959814.98 680291.63 6.90 658.15 89.00 0.00 6.92 Meas. Incl. TRUE Subsea Coords. - True Coords. - ASP Dogleg Vertical Tool Face Build Turn Depth Angle Azi. TVD N(+)/S(-) E(+)/W(-) N(+)/S(-) E(+)/W(-) Severity Section Comments (deg) (deg) (~) Lat. (Y) Dep. (X) Lat. (Y) Dep. (X) (°/100ft) (TIP) (°/100ft) (°/100ft) 10100.00 90.00 161.54 8770.00 29.35 2941.13 5959791.59! 680300.45 6.90 683.05 89.00 0.00 6.88 10125.00 90.00 163.27 8770.00 5.52 2948.69 5959767.94 680308.56 6.90 70~.00 89.00 0.00 6.92 10150.00 90.00 164.99 8770.00 -18.53 2955.53 5959744.06 680315.96 6.90 732.98 89.00 0.00 6.88 10175.00 90.00 166.72 8770.00 42.77 2961.64 5959719.97 680322.64 6.90 757.98 89.00 0.00 6.92 10200.00 90.00 168.44 8770.00 -67.18 2967.02 5959695.69 680328.58 6.90 782.97 89.00 0.00 6.88 10225.00 90.00 170.17 8770.00 -91.75 2971.66 5959671.25 680333.80 6.90 807.93 89.00 0.00 6.92 10250.00 90.00 171.89 8770.00 -116.44 2975.55 5959646.65 680338.27 6.90 832.83 89.00 0.00 6.88 10275.00 90.00 173.62 8770.00 -141.24 2978.71 5959621.94 680342.00 6.90 857.66 89.00 0.00 6.92 10300.00 90.00 175.34 8770.00 -166.12 2981.11 5959597.12 680344.99 6.90 882.38 89.00 0.00 6.88 10325.00 90.00 177.07 8770.00 -191.07 2982.77 5959572.22 680347.23 6.90 906.99 89.00 0.00 6.92 10350.00 90.00 178.79 8770.00 -216.05 2983.67 5959547.27 680348.72 6.90 931.44 89.00 0.00 6.88 10375.00 90.00 180.52 8770.00 -241.05 2983.82 5959522.28 680349.45 6.90 955.74 89.00 0.00 6.92 10400.00 90.00 182.24 8770.00 -266.04 2983.22 5959497.28 680349.44 6.90 979.84 89.00 0.00 6.88 10425.00 90.00 183.97 8770.00 -291.00 2981.87 5959472.30 680348.67 6.90 1003.73 89.00 0.00 6.92 10450.00 90.00 185.69 8770.00 -315.91 2979.76 5959447.35 680347.15 6.90 1027.40 89.00 0.00 6.88 10475.00 90.00 187.42 8770.00 -340.75 2976.91 5959422.45 680344.88 6.90 1050.80 89.00 0.00 6.92 10500.00 90.00 189.14 8770.00 -365.49 2973.31 5959397.64 680341.86 6.90 1073.94 89.00 0.00 6.88 10525.00 90.00 190.87 8770.00 -390.10 2968.97 5959372.93 680338.09 6.90 1096.77 89.00 0.00 6.92 10550.00 90.00 192.59 8770.00 414.58 2963.89 5959348134 680333.59 6.90 1119.29 89.00 0.00 6.88 10575.00 90.00 194.32 8770.00 438.89 2958.07 5959323.90 680328.34 6.90 1141.48 89.00 0.00 6.92 10600.00' 90.00 196.04 8770.00 463.02 2951.52 5959299.62 680322.36, 6.90 1163.30 89.00 0.00 6.88 10625.00 90.00 197.77 8770.00 486.94 2944.25 5959275.54 680315.66 6.90 1'184.75 89.00 0.00' 6.92 10650.00 90.00 199.49 8770.00 -510.63 2936.27 5959251.68 680308.23 6.90 1205.81 89.00 0.00 6.88 10675.00 90.00 201.22 8770.00 -534.07 2927.57 5959228.04 680300.08 6.90 1226.45 89.00 0.00 6.92, 10700.00 90.00 202.94 8770.00 -557.23 2918.18 5959204.66 680291.23 6.90 1246.65 89.00 0.00 6.88 10725.00 90.00 204.67 8770.00 -580.11 2908.09 5959181.56 680281.68 6.90 1266.40 89.00 0.00 6.92 10750.00 90.00 206.39 8770.00 -602.66 2897.31 5959158.76 680271.44 6.90 1'285.68 89.00 0.00 6.88 10775.00 90.00 208.12 8770.00 -624.89 2885.87 5959136.28 680260.52 6.90 i304.48 89.00 0.00 6.92 10800.00 90.00 209.84 8770.00 -646.76 2873.75 5959114.13 680248.92 6.90 1322.77 89.001 0.00 6.88 10825.00 90.00 211.57' 8770.00 -668.25 2860.99 5959092.34 680236.66 6.90 1340.54 89.00 0.00 6.92 10850.00 90.00 213.29 8770.00 -689.35 2847.58 5959070.94 680223.75 6.90 1357.77 89.00 0.00 6.88 10875.00 90.00 215.02 8770.00 -710.04 2833.55 5959049.93 680210.21 6.90 1374.44 89.00 0.00 6.92 10900.00 90.00 216.74 8770.00 -730.30 2818.90 5959029.34 680196.04 6.90 1390.55 89.00 0.00 6.88 10925.00 90.00 218.47 8770.00 -750.10 2803.64 5959009.18 680181.25 6.90 1406.08 89.00 0.00 6.92 10950.00 90.00 220.19 8770.00 -769.44 2787.80 5958989.48 680165.86 6.90 1421.01 89.00 0.00 6.88 10975.00 90.00 221.92 8770.00 -788.29 2771.38 5958970.25 680149.89 6.90 1435.33 89.00 0.00 6.92 10977.30 90.00 222.08 8770.00 -790.00 2769.84 5~58968.50 680~48.39 6.90 1436.62 -89.00 0.00 6.96 5 11000.00 90.03 220.51 8769.99 -807.05 2754.86 5958951.10 680133.82 6.92 1449.54 -89.00 0.13 -6.92 11025.00 90.05, 218.78 8769.98 -826.30 2738.91 5958931.49' 680118.33 6.92 1464.36 -89.00 0.08 -6.92 11050.00 90.08 217.05 8769.95 -846.03 2723.55 5958911.41 680103.43 6.92 1479.78 -89.00 0.12 -6.92 11075.00 90.11 215.32 8769.90 -866.21 2708.79 5958890.90 680089.15 6.92 1495.79 -89.00 0.12 -6.92 11100.00 90.14 213.59 8769.85 -886.82 2694.65 5958869.96 680075.50 6.92 1512.37 -89.00 0.12 -6.92 11125.00 90.17 211.86 8769.78 -907.85 2681.13 5958848.62 680062.48 6.92, 1529.51 -89.00 0.12 -6.92 11150.00 90.20 210.13 8769.70 -929.28 2668.26 5958826.90 680050.11 6.92 1547.18 -89.00 0.12' -6.92 Meas. Incl. TRUE Subsea Coords. - True Coords. - ASP Dogleg Vertical Tool Face Build Turn Depth Angle Azi. TVD N(+)/S(-) E(+)/W(-) N(+)/S(-) E(+)/W(-) Severity Section Comments (deg) (deg) (ft) Lat. (Y) Dep. (X) Lat. (Y) Dep. (X) (°/100ft) (TIP) (°/100ft) (°/100ft) 11175.00 90.22 208.40 8769.61 -951.08 2656.04 5958804.81 680038.40 6.92 1565.39 -89.00 0.08 -6.92 11200.00 90.25 206.68 8769.51 -973.25 2644.48 5958782.38 680027.36 6.92 1584.10 -89.00 0.12 -6.88 11225.00 90.28 204.95 8769.39 -995.76 2633.59 5958759.63 680017.01 6.92 1603.30 -89.00 0.12 -6.92 11250.00 90.31 203.22 8769.27 -1018.58 2623.39 5958736.58 680007.35 6.92 1622.98 -89.00 0.12 -6.92 11275.00 90.33 201.49 8769.13 -1041.70 2613.88 5958713.24 679998.38 6.92 1643.11 -89.00 0.08 -6.92 11300.00 90.36 199.76 8768.98 -1065.09 2605.08 5958689.65 679990.13 6.92 1663.68 -89.00 0.12 -6.92 11325.00 90.38 198.03 8768.81 -1088.75 2596.98 5958665.81 679982.59 6.92 1684.67 -89~00 0.08 -6.92 11350.00 90.41 196.30 8768.64 -1112.63 2589.60 5958641.76 679975.77 6.92 1706.06 -89.00 0.12 -6.92 11375.00 90.44 194.57 8768.46 -1136.73 2582.95 5958617.52 679969168 6.92 1727.83 -89.00 0.12 -6.92 11400.00 90.46 192.85 8768.26 -1161.01 2577.02 5958593.10 679964.33 6.92 1749.96 -89.00 0.08 -6.88 11425.00 90.49 191.12 8768.05 -1185.47 2571.83 5958568.54 679959.71 6.92 1772.43 -89.00 0.12 -6.92 11450.00 90.51 189.39 8767.84 -1210.07 2567.39 5958543.84 679955.84 6.92 1795.23 -89.00 0.08 -6.92 11475.00 90.53 187.66 8767.61 -1234.79 2563.68 5958519.04' 679952.71 6.92 1818.32 -89.00 0.08 -6.92 11500.00 90.56! 185.93 8767.37 -1259.61 2560.72 5958494.16 679950.34 6.92 1841.69 -89.00 0.12 -6.92 11525.00 90.581 184.20 8767.12 -1284.51 2558.51 5958469.22 679948.72 6.92 1865.31 -89.00 0.08 -6.92 11550.00 90.60! 182.47 8766.87 -1309.46 2557.06 5958444.23 679947.84 6.92 1889.18 -89.00 0.08 -6.92 11575.00 90.62 180.74 8766.60 -1334.45 2556.36 5958419.24 679947.73 6.92 1913.25 -89.00 0.08 -6.92 11600.00 90.64 179.01 8766.32 -1359.45 2556.41 5958394.25 679948.37 6.92 1937.52~ -89.00 0.08 -6.92 11625.00 90.67 177.29 8766.04 -1384.43 2557.22 5958369.29 679949.76 6.92 1961.96' -89.00 0.12 -6.88 11650.00 90.69 175.56 8765.74 -1409.38 2558.78 5958344.39 679951.90 6.92 1986.54 -89.00 0.08 -6.92 11675.00 90.70 173.83 8765.44 -1434.27 2561.09 5958319.56 679954.80 6.92 2011.25 -89.00 0.04 -6.92 11700.00 90.72 172.10 8765.13 -1459.08 2564.15 5958294.83 679958.44 6.92 2036.06 -89.00 0.08 -6.92 11725.00 90.74 170.37 8764.81 -1483.79 2567.96 5958270.23 679962.82 6.92 2060.96 -89.00 0.08 -6.92 11750.00 90.76 168.64 8764.48 -1508.37 2572.51 5958245.76 679967.95 6.92 2085.91 -89.00 0.08 -6.92 11775.00 90.78 166.91 8764.14 -1532.80 2577.81 5958221.46 679973.81 6.92 2110.89 -89.00 0.08 -6.92 11800.00 90.79 165.18 8763.80 -1557.06 2583.83 5958197.35 679980.41 6.92 2135.89 -89.00 0.04 -6.92 11825.00 90.81 163.45 8763.45 - 1581.12 2590.59 5958173.45 679987.72 6.92 2160.87 -89.00 0.08 -6.92 11850.00 90.82 161.72 8763.10 -1604.97 2598.07 5958149.79 679995.76 6.92 2185.83 -89.00 0.04 -6.92 11875.00 90.83 160.00 8762.74 -1628.59 2606.26 5958126.37 680004.50 6.92 2210.72 -89.00 0.04 -6.88 11900.00 90.85 158.27 8762.37 -1651.94 2615.17 5958103.23 680013.95 6.92 2235.54 -89.00 0.08 -6.92 11925.00 90.86 156.54 8762.00 -1675.02 2624.77 5958080.39 680024.09 6.92 2260.26 -89.00 0.04 -6.92 11950.00 90.87 154.81 8761.62 -1697.80 2635.07 5958057.86 680034.92 6.92 2284.85 -89.00 0.04 -6.92 11975.00 90.88 153.08 8761.24 -1720.25 2646.05 5958035.67 680046.42 6.92 2309.29 -89.00 0.04 -6.92 12000.00 90.89 151.35 8760.85 -1742.37 2657.70 5958013.83 680058.59 6.92 2333.57 -89.00 0.04 -6.92 12025.00 90.90 149.62 8760.46 -1764.12 2670.02 5957992.38 680071.41 6.92 2357.65 -89.00 0.04 -6.92 12050.00 90.91 147.89 8760.07 -1785.49 2682.98 5957971.32 680084.87 6.92 2381.53 -89.00 0.04 -6.92 12075.00 90.92 146.16 8759.67 -1806.46 2696.58 5957950.67 680098.96 6.92 2405.16 -89.00 0.04 -6.92 12100.00 90.92 144.43 8759.27 -1827.01 2710.82 5957930.46 680113.66 6.92 2428.55 -89.00 0.00 -6.92 12125.00 90.93 142.70 8758.86 -1847.12 2725.66 5957910.71 680128.97 6.92 2451.65 -89.00 0.04 -6.92 12150.00 90.93 140.98 8758.46 -1866.78 2741.10 5957891.42 680144.87 6.92 2474.46 -89.00 0.00 -6.88 12175.00 90.94 139.25 8758.05 -1885.95 2757.13 5957872.62 680161.34 6.92 2496.94 -89.00 0.04 -6.92 12200.00 90.94 137.52 8757.64 -1904.64 2773.73 5957854.33 680178.38 6.92 2519.09 -89.00 0.00 -6.92 12225.00 90.94 135.79 8757.23 -1922.82 2790.89 5957836.56 680195.95 6.92 2540.88 -89.00 0.00 -6.92 12250.00 90.94 134.06 8756.82 -1940.47 2808.59 5957819.33 680214.06 6.92 2562.29 -89.00 0.00 -6.92 Meas. Incl. TRUE Subsea Coords. - True Coords. - ASP Dogleg Vertical Tool Face Build Turn Depth Angle Azi. TVD N(+)/S(-) E(+)/W(-) N(+)/S(-) E(+)fW(-) Severity Section Comments (deg) (deg) (ft) Lat. (Y) Dep. (X) Lat. (Y) Dep. (X) (°/100ft) (TIP) (°/100ft) (°/100ft) 12275.00 90.94 132.33 8756.41 -1957.58 2826.81 5957802.66 680232.68 6.92 2583.30 -89.00 0.00 -6.92 12300.00 90.94 130.60 8756.00 -1974.13 2845.54 5957786.55 680251.79 6.92 2603.89 -90.00 0.00 -6.92 12325.00 90.94 128.87 8755.58 -1990.11 2864.76 5957771.03 680271.38 6.92 2624.04 -90.00 0.00 -6.92 12350.00 90.94 127.14 8755.17 -2005.50 2884.46 5957756.10 680291.43 6.92 2643.74 -90.00 0.00 -6.92 12360.53 90.94 126.41 8755.00 -2011.80 2892.89 519571750.00 680300.00 6.92 2651.89 0.00 0.00 -6.93 TD 1. Type of i~est: STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION APPLICATION FOR SUNDRY APPROVALS Abandon_ Suspend_ Operational shutdown _ Re-enter suspended well _ Alter casing _ Repair well _ Change approved program _ Plugging _X Time extension _ Stimulate _ Pull tubing _ Variance _ Perforate _ Other_ 2. Name of Operator ARCO Alaska, Inc. 3. Address P. O. Box 100360 Anchorage, AK 99510-0360 4. Location of well at surface 1820' FNL, 3863' FEL, Sec. 22, T11N, R14E, UM At top of productive interval 1609' FNL, 1320' FEL, SEC. 22, T11N, R14E, UM At effective depth 1462' FNL, 1268' FEL, SEC. 22, T11N, R14E, UM At total depth 1440' FNL, 1151' FEL, Sec. 22, T11N, R14E, UM 12. Present well condition summary Total depth: measured 9760 feet true vertical 8935 feet measured 9598 feet true vertical 8821 feet Effective depth: 5. Type of Well: Development ___X Exploratory _ Stratigraphic _ Service __ 6. Datum elevation (DF or KB feet) RKB 62 feet 7. Unit or Property name Prudhoe Bay Unit 8. Well number 15-25 9. Permit number / approval number 10. APl numb~ 50-0,29-21842 11. Fief/Pool Pr~pdhoe Bay Oil Pool Plugs (measured) /~TD tagged @ 9598' MD (5/23/1999) / Junk (mea~/~) Casing Length Size Cemented ~ Measured Depth True vertical Depth Conductor 110' 20' 215o# Poleset / 112' 112' Surface 3488' 10-3/4" lOOO Sx CS I)l'& 6oo Sx Class G 3521' 3521' Production 8873' 7-5/8' 63o Sx C~ G 8935.4 8313' liner 1161' 5-1/2' 200 S~lass G 9758~ ) 8933' / Perforation depth: measured 9583'- 962 ' , true vertical 8811 - 88~'~ ~ ..'.~;- / Tubing (size, grade, and measured depth 3-1/2', 9.2~//L-80 PCT @ 8718' MD. ~ ~ :~ ~..' . ,.~-~. '..~.~.7,?. ', ~ .. ':" / Packers & SSSV (type & measured depth) 7-5/8' X/~-1/2' TIW SSBB PERMANENT PACKER @ 8598' MD. 3-1/2'./CAMCO TRDP-1A-SSA SSSV @ 2218' MD. 13. Attachments Description summary of p~foposal ._X Detailed operations program BOP sketch X 14. Estimated date for commencing operation / 15. Status of well classification as: September/7, 1999 16. If proposal was verbally approved / Oil __X Gas __ / Name of approver /f Date approved Service 17. I hereby certify that the foregoing is true and i:orrect to the best of my knowledge. Signed ~~ Title: AAI Coil Tubing Drilling Supervisor BruceE. Srnith, P.E. ~ C,~'''w~.~4,''~ ~ Suspended__ Questions? Call Andy Kirk @ 360-1287. PreDated b~/ Paul Rauf 263-4990 FOR COMMISSION USE ONLY Conditions of approval: Notify Commission so representative may witness Plug integrity __ BOP Test _ Location clearance _ Mechanical Integrity Test __ Subsequent form required lO- Approved by order of the Commission Commissioner Form 10-403 Rev 06/15/88 · SUBMIT IN TRIPLICATE PAUL RAUF 015412452359 1 1 3 ARCO ALASKA INC. P. O. BOX 100360 ATO - 1509 2-1/710 -- ' '. - Oe~a,~s or, ~ac, OFIR~I" CHICAGO NOT VALID FOR OVER $1000.00 The First National Bank of Chicago ~.~ ChicagO, Illinois · - I:O?iOOOOit~: cio ~r=851,,' O~,~,:~ WELL PERMIT CHECKLIST FIELD &POOL COMPANY ADMINISTRATION WELL NAME/'Z~/~<"-~.~/~' PROGRAM: exp dev redrll ~ serv wellbore seg ann. disposal para req ENGINEERING DATE INIT CLASS ,~ /.-,~,,~/ GEOL AREA ,~J UNIT# //,'/~_~"r-~ ON/OFF SHORE · N Y N ~NN~,, p(o¢.~ Y N (~N ~ N GEOLOGY ANNULAR DISPOSAL APPR DATE 1. Permit fee attached ....................... 2. Lease number appropriate ................... 3. Unique well name and number .................. 4. Well located in a defined pool .................. 5. Well located proper distance from drilling unit boundary .... 6. Well located proper distance from other wells .......... 7. Sufficient acreage available in drilling unit ............ 8. If deviated, is wellbore plat included ............... 9. Operator only affected party ................... 10. Operator has appropriate bond in force ............. 11. Permit can be issued without conservation order ........ 12. Permit can be issued without administrative approval ...... 13. Can permit be approved before 15-day wait ........... 14. Conductor string provided ................... 15. Surface casing protects all known USDWs ........... 16. CMT vol adequate to circulate on conductor & surf csg ..... 17. CMT vol adequate to tie-in long string to surf csg ........ 18. CMT will cover all known productive horizons .......... 19. Casing designs adequate for C, T, B & permafrost ....... 20. Adequate tankage or reserve pit ................. 21. If a re-drill, has a 10-403 for abandonment been approved... 22. Adequate wellbore separation proposed ............. 23. If diveder required, does it meet regulations .......... 24. Drilling fluid program schematic & equip list adequate ..... 25. BOPEs, do they meet regulation ................ 26. BOPE press rating appropriate; test to .'~'OC..,X~ psig. 27. Choke manifold complies w/APl RP-53 (May 84) ........ 28. Work will occur without operation shutdown ........... 29. Is presence of H2S gas probable ................. 30. Permit can be issued w/o hydrogen sulfide measures ..... Y N /' 31. Data presented on potential overpressure zones ....... y,~NN ,~~ 32. Seismic analysis of shallow gas zones ............. 33. Seabed condition survey (if off-shore) ............. 34. Contact name/phone for weekly progress reports [exploratory one] Y N Comments/Instructions: 35. With proper cementing recor~ls~is plan (A) will contain waste i~_ suitabl/e'receiving zone; ....... Y N (B) will not conta, j]~ate freshv)~tter; or cause ~ Y N to surfac.,e~" / ~ (C) will ~ w~or d!sposal; Y N (D) wi not damage producing formation or impair recovery from a Y N pool; and (E) will not circumvent 20 AAC 25.252 or 20 AAC 25.412. Y N GEOLOGY: ENGINEERING: _UIC/Aj;a~Iar . COMMISSION: BEW~ ~..~'"/ DWJ ~ JDH ~ RNC '" co c:\msoffice\wordian\diana\checklist ~7 O Z O ITl 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 readability 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. Tape Subfile 1 is type: LIS **** REEL HEADER **** MWD 01/01/24 BHI 01 LIS Customer Format Tape **** TAPE HEADER **** MWD 0i/01/25 107954 01 1.75" NaviGamma - Gamma Ray LIS COMMENT RECORD(s): ~23456789~~23456789~~23456789~~23456789~~23456789~~23456789~~23456789~~23456789~ !!!!!!!!!!!!!!!!!!! Remark File Version 1.000 ! ! !! ! ! ! ! ! ! ! ! ! !!!! ! ! Extract File: glen.las -Version Information VERS. 1.20: WRAP. NO: -Well Information Block #MNEM. UNIT Data Type STRT. FT 9430 . 0000: STOP. FT 10960 . 0000: STEP. FT 0. 5000: NULL. -999 . 2500: COMP. COMPANY: WELL WELL: FLD FIELD: LOC LOCATION: CNTY COUNTY: STAT STATE: SRVC SERVICE COMPANY: TOOL TOOL NAME & TYPE: DATE LOG DATE: API API NYUMBER: -Parameter Information Block #MNEM. I/NIT Value SECT. 22 TO~N. N 11N RANG. 14E PDAT. MSL EPD . F 0 LMF . RKB FAPD. F 62 DMF KB EKB F 62 EDF F N/A EGL F N/A CASE F 9758 OS 1 D I RE CT I ONAL -Remarks (1) (2) (3) (4) (s) CWLS log ASCII Standard -VERSION 1.20 One line per frame Information Starting Depth Ending Depth Level Spacing Absent Value ARCO Alaska, Inc. 15-25A PB1 Prudhoe Bay Unit 1820' FNL, 3863' FEL North Slope Alaska Baker Hughes INTEQ 1.75" NaviGamma - Gamma Ray 02-0ct-99 500292184270 Description Section Tovmship Range Permanent Datum Elevation Of Perm. Datum Log Measured from Feet Above Perm, Datum Drilling Measured From Elevation of Kelly Bushing Elevation of Derrick Floor Elevation of Ground Level Casing Depth Other Services Line 1 Ail depths are Measured Depths (MD) unless otherwise noted. Ail depths are Bit Depths unless otherwise noted. Ail Gamma Ray data (GRAX) presented is realtime data. Well 15-25A PB1 was kicked off @ 9500' MD (8686' SSTVD) from the wellbore of Well 15-25. Well 15-25A was drilled to TD @ 10957' MD 8779' SSTVD) on Run 10. (6) The interval from 10939' MD (8779' SSTVD) to 10957' MD (8779' SSTVD) was not logged due to sensor to bit offset. (7) The data presented here has been depth shifted to a PDC (Primary Depth Control) supplied by Arco Alaska (SWS 11/30/99). The PDC GR was logged in the 15-25A borehole which was sidetracked from the PB1 borehole at 10044' MD. The MWD Gamma Ray was tied to the PDC GR above 10044' MD. A block shift using the deepest depth pair was used below 10044' MD. (8) A Magnetic Declination correction of 27.42 degrees has been applied to the Directional Surveys. MNEMONICS: GRAX ROPS TVD TVD -> Gamma Ray MWD-API [MWD] (~D-API units) -> Rate of Penetration, feet/hour -> Subsea True Vertical Depth, feet -> Subsea True Vertical Depth, feet SENSOR OFFSETS: SENSOR OFFSETS: RUN GAMMA DIRECTIONAL RUN GAMMA DIRECTIONAL 1 18.01 ft. 23.05 ft. 2 17.69 ft. 22.73 ft. 4 18.16 ft. 23.20 ft. 5 18.91 ft. 23.95 ft. 6 18.94 ft. 23.98 ft. 9 18.82 ft. 23.86 ft. 10 18.97 ft. 24.01 ft. CURVE SHIFT DATA MEASURED, 9442 20, 9447 54, 9462 38, 9485 59 9492 33 9524 82 9531 32 9535 97 9550 75 9569 79 9582 79 9587 31 9594 74 9598 45 9602 40 9665 88 9672 84 9675 86 9761 72 9763 34 9769 38 9792 59 9861 20 9876 98 9921 64 9972 13 9985 82 10007.7 10021.9 BASELINE 9442 67 9448 70 9463 78 9485 59 9490 93 9523 90 9530 86 9535 04 9550 29 9570 25 9582 79 9587 54 9594 50 9598 68 9604 25 9670 06 9676 79 9679 81 9748 95 9751 04 9760 79 9780 52 9846 81 9862 82 9908 18 9961 91 9977 70 9999 84 10014.7 Tape Subfile: 1 Minimum record length: Maximum record length: _ DISPLACEMENT -0 463867 -1 161130 -1 392580 0 000000 1 392580 0 928711 0 463867 0 927734 0 464844 -0 463867 0 000000 -0 232422 0 232422 -0 232422 -1 856450 -4 178710 -3 946290 -3 946290 12 767600 12 301800 8.588870 12 070300 14 391600 14 159200 13 462900 10 213900 8 124020 7 892580 7 195310 106 records... 8 bytes 132 bytes Tape Subfile 2 is type: LIS **** FILE HEADER **** MWD .001 1024 *** INFORMATION TABLE: CONS MNEM VALU ...................................... WDFN mwd.xtf LCC 150 CN ARCO Alaska, Inc. WN 15-25A PB1 FN Prudhoe Bay Unit COUN North Slope STAT Alaska LIS COMMENT RECORD(s): ~23456789~~23456789~~23456789~~23456789~~23456789~~23456789~~23456789~~234567890 ................................................................................ !!!!!!!!!!!!!!!!!!! Remark File Version 1.000 1. The data presented has been edited from the field raw data. 2. The data has been depth shifted to match the PDC supplied by ARCO Alaska 3. The PDC used is a Schlumberger Gamma Ray dated 30-Nov-99. *** INFORMATION TABLE: CIFO MNEM CHAN DIMT CNAM ODEP 1 GR GRAX10 0.0 2 ROP ROPS10 0.0 * FORMAT RECORD (TYPE# 64) Entry Type( 1) Size( 1) Repcode(66) Data record type is: 0 Entry Type( 2) Size( 1) Repcode(66) Datum Specification Block Type is: 0 Entry Type( 3) Size( 2) Repcode( 79) Datum Frame Size is: 12 bytes Entry Type( 4) Size( 1) Repcode(66) Logging direction is down (value= 255) Entry Type( 5) Size( 1) Repcode 66) Optical Log Depth Scale Units: Feet Entry Type( 8) Size( 4) Repcode 68) Frame spacing: 0.500000 Entry Type( 9) Size( 4) Repcode 65) Frame spacing units: [F ] fndun c [F ] 1.00000000 3 Entry Type(11) Size( 4) Repcode 68) Number of frames per record is: 84 Entry Type(13) Size( 1) Repcode 66) One depth per frame (value= 0) Entry Type(16) Size( 1) Repcode 66) Datum Specification Block Sub-type is: Entry Block terminator. Summary of entry types encountered: 1 2 3 4 5 6 7 8 9 t0 11 12 13 14 15 16 1 1 1 1 1 0 0 1 1 0 1 0 1 0 0 1 Rep Code Count Bytes 68 2 8 Sum: 2 fndun a [F ] _ _ FRAME SPACE = 8 1.00000000 0.500 * F ONE DEPTH PER FRAME Tape depth ID: F 2 Curves: Name Tool Code Samples Units Size 1 GR MWD 68 1 API 4 2 ROP MWD 68 1 F/HR 4 *** Record Type (47) not decoded... *** Record Type (47) not decoded... * DATA RECORD (TYPE# 0) 1014 BYTES * Total Data Records: 37 Tape File Start Depth = 9430.000000 Tape File End Depth = 10960.000000 Tape File Level Spacing = 0.500000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 66 1 datum Rep Code: 68 9187 datums Rep Code: 79 2 datums Tape Subfile: 2 46 records... Minimum record length: 54 bytes Maximum record length: 4124 bytes _ _ Tape Subfile 3 is type: LIS **** FILE HEADER **** MWD .002 API API API API Log Crv Crv Length Typ Typ Cls Mod 4 99 995 99 1 4 99 995 99 1 8 1024 *** INFORMATION TABLE: CONS MNEM VALU WDFN mwdoxtf LCC 150 CN ARCO Alaska, Inc. WN 15-25A PB1 FN Prudhoe Bay Unit COUN North Slope STAT Alaska LIS COMMENT RECORD(s): ~23456789~~23456789~~23456789~~23456789~~23456789~~23456789~~23456789~~23456789~ !!!!!!!!!!!!!!!!!!! Remark File Version 1.000 The data presented here is the unedited field raw data. *** INFORMATION TABLE: CIFO MN EM CHAN D I MT CNAM OD E P 1 GRAX GP~AX 0.0 2 ROPS ROPS 0.0 * FORMAT RECORD (TYPE# 64) Entry Type( 1) Size( 1) Repcode(66) Data record type is: 0 Entry Type( 2) Size( 1) Repcode(66) Datum Specification Block Type is: 0 Entry Type( 3) Size( 2) Repcode(79) Datum Frame Size is: 12 bytes Entry Type( 4) Size( 1) Repcode(66) Logging direction is down (value= 255) Entry Type( 5) Size( 1) Repcode(66) Optical Log Depth Scale Units: Feet Entry Type( 8) Size( 4) Repcode(68) Frame spacing: 0.500000 Entry Type( 9) Size( 4) Repcode(65) Frame spacing units: [F ] fndun c [F ] 1o00000000 3 Entry Type(11) Size( 4) Repcode(68) Number of frames per record is: 84 Entry Type(13) Size( 1) Repcode(66) One depth per frame (value= 0) Entry Type(16) Size( 1) Repcode(66) Datum Specification Block Sub-type is: Entry Block terminator. Summary of entry types encountered: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 1 1 1 1 0 0 1 1 0 1 0 1 0 0 1 Rep Code Count Bytes 68 2 8 Sum: 2 8 fndun a [F ] 1.00000000 FRAME SPACE = 0.500 * F ONE DEPTH PER FP~AME Tape depth ID: F 2 Curves: Name Tool Code Samples Units Size 1 GRAX MWD 68 1 API 4 2 ROPS MWD 68 1 F/HR 4 *** Record Type (47) not decoded... *** Record Type (47) not decoded.., * DATA RECORD (TYPE# 0) 1014 BYTES * API API API API Log Crv Crv Length Typ Typ Cls Mod 4 99 995 99 1 4 99 995 99 1 8 Total Data Records: 37 Tape File Start Depth = 9430.000000 Tape File End Depth = 10950.000000 Tape File Level Spacing = 0.500000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 66 1 datum Rep Code: 68 9127 datums Rep Code: 79 2 datums Tape Subfile: 3 46 records... Minimum record length: 54 bytes Maximum record length: 4124 bytes _ Tape Subfile 4 is type: LIS TAPE TRAILER **** MWD Ol/Ol/~.5 107954 01 **** REEL TRAILER **** MWD 01/01/24 BHI 01 Tape Subfile: 4 2 records... Minimum record length: 132 bytes Maximum record length: 132 bytes End of execution: Wed 24 JAN ** 4:15p Elapsed execution time = 0.66 seconds. SYSTEM RETURN CODE = 0 Tape Subfile 2 is type: LIS DEPTH 9430 9430 9500 9600 9700 9800 9900 10000 10100 10200 10300 10400 10500 10600 10700 10800 10900 10960 GR 0000 -999 5000 -999 0000 13 0000 50 0000 42 0000 52 0000 30 0000 66 0000 24 0000 107 0000 73 0000 80 0000 49 0000 50 0000 45 0000 50 0000 100 0000 -999 2500 2500 9699 6615 2560 5201 3415 1447 8181 .3466 .5163 .4613 .3209 .7998 .1914 .2683 .4004 .2500 ROP -999 2500 -999 2500 28 6835 77 5793 32 4943 22 8418 141 5715 94 6324 74.4428 24.0706 70.7146 57.3638 69.8938 56.7301 47.6449 31.5685 36.0222 -999.2500 Tape File Start Depth = 9430.000000 Tape File End Depth = 10960.000000 Tape File Level Spacing = 0.500000 Tape File Depth Units = Feet Tape Subfile 3 is type: LIS DEPTH 9430 9430 9500 9600 9700 9800 9900 10000 10100 10200 10300 10400 10500 10600 10700 10800 10900 10950 GR3AX 0000 -999 5000 -999 0000 17 0000 52 0000 44 0000 31 0000 34 0000 73 0000 27 0000 64 0000 66 0000 81 0000 51 0000 73 0000 82 0000 100 0000 116 0000 -999 ROPS 2500 -999 2500 -999 0000 43 9120 78 2070 29 8450 109 6280 101 7500 18 9030 81 4100 16 9430 66 6740 56 6490 60 6370 30 0000 18 2100 38 2190 19 2500 -999 .2500 2500 9000 2000 9650 9210 5550 4650 1100 2900 0320 0820 3360 9040 2210 7950 8000 2500 Tape File Start Depth = 9430.000000 Tape File End Depth = 10950.000000 Tape File Level Spacing = 0.500000 Tape File Depth Units = Feet Tape Subfile 1 is type: LIS **** REEL HEADER **** ~'~D 01/01/12 BHI 01 LIS Customer Format Tape **** TAPE HEADER **** MWD 01/01/12 107954 01 1.75" NaviGamma - Gamma Ray LIS CO~vlENT RECORD(s): ~23456789~~23456789~~23456789~~23456789~~23456789~~23456789~~23456789~~23456789~ Remark File Version 1.000 Extract File: glen.las -Version Information VERS. 1.20: WRAP. NO: -Well Information Block #MNEM.UNIT Data Type STRT.FT STOP.FT STEP.FT NULL COMP WELL FLD LOC CNTY STAT SRVC. TOOL. DATE. API . 9430.0000 11990.0000 0.5000 -999.2500 COMPANY WELL FIELD LOCATION COUNTY STATE SERVICE COMPANY TOOL NAME & TYPE LOG DATE API NYUMBER CWLS log ASCII Standard -VERSION 1.20 One line per frame Information Starting Depth Ending Depth Level Spacing Absent Value ARCO Alaska, Inc. 15-25A Prudhoe Bay Unit 1820' FNL, 3863' FEL North Slope Alaska Baker Hughes INTEQ 1.75" NaviGamma - Gamma Ray 10-0ct-99 500292184201 -Parameter Information Block #MNEM.UNIT Value Description SECT. 22 : Section TOWN.N liN : Township RANG. 14E : Range PDAT. MSL : Permanent Datum EPD .F 0 : Elevation Of Perm. DaEum LMF . RKB : Log Measured from FAPD.F 62 : Feet Above Perm. Datum DMF . KB : Drilling Measured From EKB .F 62 : Elevation of Kelly Bushing EDF .F N/A : Elevation of Derrick Floor EGL .F N/A : Elevation of Ground Level CASE.F 9758 : Casing Depth OSl . DIRECTIONAL : Other Services Line 1 -Remarks 1) Ail depths are Measured Depths (MD) unless otherwise noted. 2) Ail depths are Bit Depths unless otherwise noted. 3) Ail Gamma Ray data (GRAX) presented is realtime data. 4) Well 15-25A was kicked off @ 9500' MD (8686' SSTVD) from the wellbore of Well 15-25. (5) Well 15-25A was sidetracked @ 10060' MD. 6) Well 15-25A was drilled to TD @ 1!995' MD (8751' SSTVD) on Run 16. 7) The interval from 11980' MD (8751' SSTVD) to 11995' MD (8751' SSTVD) was not logged due to sensor to bit offset. 8) The data presented here has been depth shifted to a PDC (Primary Depth Control) supplied by Arco Alaska (SWS 11/30/99). 9) A Magnetic Declination correction of 27.42 degrees has been applied to the Directional Surveys. MNEMONICS: GRAX -> Gamma Ray MWD-AP! [I~D] (~D-API units) ROPS -> Rate of Penetration, feet/hour TVD -> Subsea True Vertical Depth, feet TVD -> Subsea True Vertical Depth, feet SENSOR OFFSETS: SENSOR OFFSETS: RUN GAMMA DIRECTIONAL RUN GAMMA DIRECTIONAL 1 18.01 ft. 23.05 ft. 2 17.69 ft. 22.73 ft. 4 18 16 ft 5 18 6 18 9 18 12 19 13 18 14 19 15 18 16 17 91 ft 94 ft 82 ft 00 ft 97 ft 03 ft 53 ft 94 ft CURVE SHIFT DATA BASELINE, MEASURED, 9442.01, 9441.81, 9448 50, 9447.71, 9463 66, 9462.08, 9485 51, 9486.10, 9490 23, 9491.81, 9507 16, 9508.34, 9523 33, 9524.51, 9530 41, 9531.20, 9549.90, 9550.49, 9569.98, 9569 78, 9582.60, 9583 9586.93, 9586 9594.41, 9594 9603.86, 9601 9625.32, 9625 9667.72, 9665 9669.69, 9667 9677.56, 9673 9680.91, 9677 9700.79, 9699 9707 46, 9709 9747 85, 9761 9757 76, 9766 9761 82, 9770 9771 27, 9783 9780 31, 9792 9846 48, 9860 9857 50, 9872 9862 81, 9877 9876.05, 9888 9892.19, 9902 9908.13, 9921 9956.78, 9966 19, 74, 41, 89, 91, 16, 33, 82, 37, 41, 03, 04, 42, 68, 87, 32, 45, 46, 18, 05, 42, 51, 62, 23 20 ft 23 95 ft 23 98 ft 23 86 ft 24 04 ft 24 01 ft 24 03 ft 23 53 ft 22 94 ft DISPLACEMENT -0 197266 -0 787109 -1 57422 0 59082 1 57422 1 18066 1 18164 0 787109 0 589844 -0 196289 0 589844 -0 197266 00 -1 96875 0 59082 -2 55859 -2 3623 -3 73926 -3 54297 -1 37793 1 57422 13 1875 8 66016 8 85742 12 5977 12 0068 13 9756 14 96 14 3691 12 0068 10 2354 13 3838 9 8418 9961.89, 9971.54, 9977.64, 9986.30, 9999.33, 10007 8, 10071 6, 10073 10088 10108 10135 10194 10200 10208 10213 10219 10254 10267 10277 10286 10290 10317 10330 10357 10371 10387 10396 10408 10412 10427 10430 7, 10089 7, 10107 7, 10135 8, 10196 1, 10202 5, 10209 3, 10213 6, 10220 3, 10253 3, 10267 3, 10278 0, 10284 0, 10289 6, 10318 5, 10330 4, 10359 6, 10374 1, 10388 8, 10396 6, 10407 2, 10412 5, 10426 9, 10430 6, 9, 1, 1, 3, 6, 9, 6, 1, 9, 9, 3, 8, 6, 7, 9, 0, 7, 7, 6, 6, 8, 9, 1, 10468.8, 10469.2, 10475.9, 10476 6, 10490.7, 10488 10494.0, 10491 10498.5, 10497 10505.2, 10505 10512.6, 10513 10573 8, 10574 10660 6, 10660 10769 9, 10763 10809 3, 10802 10849 0, 10841 10976 0, 10968 11045 4, 11034 11053 9, 11042 11061 6, 11049 11065 7, 11053 11086 4, 11073 11124 9, 11110 11320 5, 11305 11540 6, 11532 11543 8, 11536 11574 6, 11567 11580 5, 11574 11605 8, 11599 11620 3, 11614 11663 4, 11657 11672 7, 11666 11794 8, 11783 11824 7, 11815 11840 4, 11831 9.64551 8 66113 8 46387 1 96777 1 18164 -1 57422 -0 589844 1 57422 2 55859 1 37793 0 393555 0 59082 -0 394531 0 59082 0 984375 -1 18066 -0 393555 1 18066 0 393555 1 5752 3 14941 1 57422 -0 197266 -0 984375 0 59082 -0 59082 -0 787109 0 393555 0 787109 -2 55957 -2 3623 -0 787109 0 196289 0 787109 0.393555 -0.59082 -6.88965 -7.2832 -7.67578 -7.47949 -11 416 -11 2188 -11 8096 -12 0068 -12 5977 -14 7627 -15 5498 -7.17402 -7.67676 -7.08594 -6.29883 -5.90527 -6.29883 -6.10156 -6.29883 -11.6133 -9.25195 -9.25098 Tape Subfile: 1 169 records... Minimum record length: Maximum record length: 8 bytes 132 bytes Tape Subfile 2 is type: LIS **** FILE HEADER **** MWD .001 1024 ~** INFORMATION TABLE: CONS MNEM VALU WDFN mwd.xtf LCC 150 CN ARCO Alaska, Inc. WN 15-25A FN Prudhoe Bay Unit COUN North Slope STAT Alaska LIS COMAMENT RECORD(s): ~23456789~~23456789~~23456789~~23456789~~23456789~~23456789~~23456789~~23456789~ !! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! Remark File Version 1.000 1. The data presented has been edited from the field raw data. 2. The data has been depth shifted to match the PDC supplied by ARCO Alaska 3. The PDC used is a Schlumberger Gamma Ray dated 30-Nov-99. INFORMATION TABLE: CIFO MNEM CHAN DIMT CN~M ODEP t GR GRAX02 0.0 2 ROP ROPS02 0.0 FORMAT RECORD (TYPE% 64 Entry Type( 1) Size 1 Data record type is: Entry Type( 2) Size 1 Datum Specification Block Entry Type( 3) Size 2 Datum Frame Size is: Entry Type( 4) Size 1 Logging direction is down Entry Type( 5) Size 1 Repcode 66) 0 Repcode 66) Type is: 0 Repcode 79) 12 bytes Repcode 66) (value= 255) Repcode 66) Optical Log Depth Scale Units: Feet Entry Type( 8) Size 4 Repcode 68) Frame spacing: 0.500000 Entry Type( 9) Size 4 Repcode 65) Frame spacing units: IF ] fndun c IF ] 1.00000000 3 Entry Type(11) Size( 4) Repcode(68) Number of frames per record is: 84 Entry Type(13) Size( 1) Repcode(66) One depth per frame (value= 0) Entry Type(16) Size( 1) Repcode(66) Datum Specification Block Sub-type is: Entry Block terminator. Summary of entry types encountered: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 t ! 1 1 0 0 1 1 0 1 0 1 0 0 1 Rep Code Count Bytes 68 2 8 Sum: 2 8 8 fndun a [F ] 1.00000000 3 FRAME SPACE = 0.500 * F ONE DEPTH PER FRA/~E Tape depth ID: F 2 Curves: Name Tool Code Samples Units Size 1 GR MWD 68 1 API 4 2 ROP MWD 68 1 F/HR 4 *** Record Type ( 47) not decoded... *** Record Type (47) not decoded... * DATA RECORD (TYPE~ 0) 1014 BYTES Total Data Records: 61 API API API API Log Crv Crv Length Typ Typ Cls Mod 4 99 995 99 1 4 99 995 99 1 Tape File Start Depth = 9430.000000 Tape File End Depth = 11990.000000 Tape File Level Spacing = 0.500000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 66 1 datum Rep Code: 68 15367 datums Rep Code: 79 2 datums Tape Subfile: 2 70 records... Minimum record length: Maximum record length: 54 bytes 4124 bytes Tape Subfile 3 is type: LIS **** FILE HEADER **** MWD .002 1024 *** INFORMATION TABLE: CONS MNEM VALU WDFN mwd.xtf LCC 150 CN ARCO Alaska, Inc. WN 15-25A FN Prudhoe Bay Unit COUN North Slope STAT Alaska LIS COMMENT RECORD(s): ~23456789~~23456789~~23456789~~23456789~~23456789~~23456789~~23456789~~23456789~ ! ! ! ! ! !! ! ! !! ! ! ! ! ! ! ! ! Remark File Version t.000 The data presented here is the unedited field raw data. *** INFOpdVLATION TABLE: CIFO MNEM CHAN DIMT CNAM ODEP 1 GRAX 2 ROPS GRAX ROPS * FORMAT RECORD (TYPE% 64) Entry Type 1) Size 1) Repcode(66) Data record type is: 0 Entry Type 2) Size 1) Repcode(66) Datum Specification Block Type is: 0 Entry Type 3) Size 2) Repcode(79) Datum Frame Size is: 12 bytes Entry Type 4) Size 1) Repcode(66) Logging direction is down (value= 255) Entry Type 5) Size 1) Repcode 66) Optical Log Depth Scale Units: Feet Entry Type 8) Size 4) Repcode 68) Frame spacing: 0.500000 Entry Type 9) Size 4) Repcode 65) Frame spacing units: F ] fndun c IF ] 1.00000000 3 Entry Type(11) Size( 4) Repcode 68) Number of frames per record is: 84 Entry Type(13) Size( !) Repcode 66) One depth per frame (value= 0) Entry Type(16) Size( 1) Repcode 66) Datum Specification Block Sub-type is: Entry Block terminator. Summary of entry types encountered: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 1 1 1 1 0 0 1 1 0 1 0 1 0 0 1 Rep Code Count Bytes 68 2 8 Sum: 2 8 8 fndun a IF ] 1.00000000 3 FRAME SPACE = 0.500 * F ONE DEPTH PER FRAME Tape depth ID: F 2 Curves: Name Tool Code Samples Units Size 1 GRAX MWD 68 1 API 4 2 ROPS MWD 68 1 F/HR 4 *** Record Type (47) not decoded... *** Record Type ( 47) not decoded... * DATA RECORD (TYPE~ 0) 1014 BYTES Total Data Records: 62 0.0 0.0 API API API API Log Crv Crv Length Typ Typ Cls Mod 4 99 995 99 1 4 99 995 99 1 Tape File Start Depth = 9430.000000 Tape File End Depth = 12000.000000 Tape File Level Spacing = 0.500000 Tape File Depth Units = Feet **** FILE TRAILER LIS representation code decoding summary: Rep Code: 66 Rep Code: 68 Rep Code: 79 1 datum 15427 datums 2 datums Tape Subfile: 3 71 records... Minimum record length: Maximum record length: 54 bytes 4124 bytes Tape Subfile 4 is type: LIS **** TAPE TRAILER *w** MWD 01/01/12 107954 01 *~ REEL TRAILER MWD 01/01/12 BHI O1 Tape Subfite: 4 2 records... Minimum record length: 132 bytes Maximum record length: 132 bytes End of execution: Fri 12 JAN ** 2:59p Elapsed execution time = 0.55 seconds. SYSTEM RETURN CODE = 0 Tape Subfile 1 is type: LIS Tape Subfile 2 is type: LIS DEPTH 9430.0000 9430 5000 9500 0000 9600 0000 9700 0000 9800 0000 9900 0000 10000 0000 10100 0000 10200 0000 10300 0000 10400 0000 10500 0000 10600.0000 10700.0000 10800.0000 10900.0000 11000.0000 11100 0000 11200 0000 11300 0000 11400 0000 11500 0000 11600 0000 11700 0000 11800 0000 11900 0000 11990 0000 GR -999.2500 -999.2500 14.1973 48.4310 48.2491 52,5255 26 6473 65 3020 24 1054 108 6657 46 3751 72 8770 55 7578 55 7192 42 0000 42 7358 42 1640 49 2140 42 7426 46 4349 48 4750 43 1083 51 9504 80 1565 45 3682 37 5017 32 9193 -999.2500 ROP -999.2500 -999.2500 28.4383 76.5498 52.8790 22.7858 56.8738 91.2396 112.3669 88.6356 17 0889 12 3736 45 2301 72 5036 80 4933 60 8591 78 2OOO 45 9253 85 7000 67 8812 11 9815 22 1151 27 6020 14 7541 16 0396 41.2598 65.3121 -999.2500 Tape File Start Depth = 9430.000000 Tape File End Depth = 11990.000000 Tape File Level Spacing = 0.500000 Tape File Depth Units = Feet Tape Subfile 3 is type: LIS DEPTH 9430.0000 9430.5000 9500.0000 9600.0000 9700.0000 9800.0000 9900.0000 10000 0000 10100 0000 10200 0000 10300 0000 10400 0000 10500 0000 10600 0000 10700 0000 10800 0000 10900 0000 11000 0000 11100 0000 11200 0000 11300 0000 11400 0000 11500 0000 11600 0000 11700 0000 11800 0000 11900 0000 12000 0000 GRAX -999 -999 17 52 44 31 34 73 24 107 46 71 54 56 45 45 40 61 43 46 47 44 53 69 46 34 31 -999 2500 2500 0000 1960 7650 9890 5040 9580 9470 0000 9050 8340 .0000 0000 0000 0000 2150 8990 7700 8700 9600 5240 8650 2150 8700 8800 6100 2500 ROPS -999.2500 -999.2500 43.9000 78.2000 30 1470 109 6140 101 1400 18 1710 111 3040 56 0890 8 7000 12 1500 35 2870 72 7020 69 6200 87 8000 89 4250 76 9310 89 4710 40 4000 29 9000 83 7000 39 1000 11 0000 21 1000 34 9000 65.6260 -999.2500 Tape File Start Depth = 9430.000000 Tape File End Depth = 12000.000000 Tape File Level Spacing = 0.500000
