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Home My WebLink About194-067 ~L Pages NOT Scanned in this Well History File· XHVZE This page identifies those items that were not scanned during the initial scanning project. They are available in the original file and viewable by direct inspection. /1c¡.{)(,7 File Number of Well History File PAGES TO DELETE Complete RESCAN o Color items - Pages: o Grayscale, halftones, pictures, graphs, charts - Pages: o Poor Quality Original - Pages: o Other - Pages: DIGITAL DATA o Diskettes, No. o Other, NolType OVERSIZED o Logs of various kinds o Other COMMENTS: Scanned by: Bever1y Dlan~athan Lowell o TO RE-SCAN Notes: Re-Scanned by: Bever1y Dianna Vincent Nathan Lowell Date: 151 .~, STATE OF ALASKA / ~~ ALASKA~IL AND GAS CONSERVATION CO SION ~~~ `~~~~ WELL COMPLETION OR RECOMPLETION REPORT AN)~~~C~jj ~ ~~ ~~~~~~$ j~~~ttj~j~~iarl ~ii~~tarai~~l 1 a. Well Status: ^ Oil ^ Gas ^ Plugged ®Abandoned ^ Suspended zoAACZS.,os zoAACZS.,,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 Aband„~ 10/19/2007 ~' 12. Permit to Drill Number 194-067 ~ 307-267 3. Address: P.O. Box 196612, Anchorage, Alaska 99519-6612 6. Date Spudded 05/13/1994 13. API Number 50-029-22478-00-00 4a. Location of Well (Governmental Section): Surface: ' ' 7. Date T.D. Reached 06/10/1994 14. Well Name and Number: PBU X-20 FWL, SEC. 05, T10N, R14E, UM 349 FSL, 103 Top of Productive Horizon: 4126' FNL, 3912' FEL, SEC. 07, T10N, R14E, UM 8. KB (ft above MSL): 68' ~ Ground (ft MSL): 38.1' 15. Field /Pool(s): Prudhoe Bay Field / Prudhoe Bay Total Depth: 510T FNL, 270' FEL, SEC. 12, T10N, R13E, UM 9. Plug Back Depth (MD+TVD) 12717 9015 Pool 4b. Location of Well (State Base Plane Coordinates, NAD 27): 5978 y- 5940480 Zone- ASP4 Surface: x- 66 10. Total Depth (MD+TVD) 12964 ' 9004 16. Property Designation: ADL 047472 ~ _ TPI: x- 662078 y- 5935920 Zone- ASP4 - 5934909 Zone- ASP4 Total De th: x- 660686 11. SSSV Depth (MD+IVD) N/A 17. Land Use Permit: y p 18. Directional Survey ^ Yes ®No Submit electronic and rioted 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 togs here and submit electronic and printed information per 20 AAC 25.071): GR / MWD 22. CASING, LINER AND CEMENTING RECORD CASING SETTING: DEPTH MD` SETTING DEPTWTVD HOLE AMOUNT WT. PER FT. GRADE. TOP BOTTOM TOP BOTTOM SIZE CEMENTING RECORD PULLED 20" 91.5# H-40 30' 110' 30' 11 30" 260 x Ar is Set A rox. 10-3/4" 45.5# NT-80 30' 3566' 30' 3149' 13-1/2" 1150 sx Coldset III 350 sx Class 'G' 7-5l8" 29.7# NT95HS 27' 10952' 27' 8922' 9-7/8" 265 sx Class'G' 4-1/2" 12.6# L- 0 / 13Cr 10 21' 12720' 8851' 9 15' 6- /4" 320 x Clas 'G' 23. Open to production or inject ion? ^ Yes ®No 24. TueING RECORD If Yes, IISt each i (MD+TVD of To & Bottom; Pe nteN81 Open rforation Size and Number): SIZE DEPTH SET MD PACKER SET MD p 4-1/2", 12.6#, L-80 10814' 10676' & 10741' MD TVD MD TVD Z5. ACID, FRACTURE, CEMENT SQUEEZE, ETC. (~,,j(^'f~'~~ ~~} '} y ~ (}~{` C;'Jli%(IliI7 St~L,~;i.~ iJ~~< s4t " ~lJidf DEPTH INTERVAL MD AMOUNT Hi KIND OF MATERIAL USED 11298' Set EZ Drill Cement Retainer (09/20/07) 11298' P&A w/ 27 Bbls Class 'G' Cement (09/20/07) 11265' Set Whipstock 26. PRODUCTION TEST Date First Production: Not on Injection Method of Operation (Flowing, Gas Lift, etc.): N/A Date Of Test: HOUfS Tested: PRODUCTION FOR TEST PERIOD OIL-BBL: GAS-MCF: WATER-BBL: CHOKE SIZE: GAS-OIL RATIO: Flow Tubing PreSS. CaSing PreSS: CALCULATED 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+TVD 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 ger 20AA 71. None ~'~ ' ~- 1~ `~ ~ _ ~~~! /~' - ._ ~: ~F Form 10-407 Revised 02/2007 CONTINUED ON REVERSE SIDE 28. GEOLOGIC MARKERS (LIST ALL FORMATIONS A KERS ENCOUNTERED): 29. FORMATION TESTS NAME TVD Well Test ^ 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 10924' 8908' None Shublik 10954' 8923' Sadlerochit 11243' 9006' 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 fore Ding is true and correct to the best of my knowledge. l ~ / e 1i Signed Terrie Hubbl Title Drilling Technologist Date ! ~( (~7 PBU X-20 194-067 307-267 Prepared ey Namemlumber.~ Terre Hubble, 564-4628 Well Number Permit No. / A royal No. Drilling Engineer: Greg Sarber, 564-4330 INSTRUCTIONS GeNew-~: 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 well completion report and 10-404 well sundry report when the downhole well design is changed. IreM 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 TVD 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-In, 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 ~ ~ Well History Well Date Summary X-20 7/9/2007 T/I/O = 450/220/80 ***Assist Slickline w/ brush 'n' flush*** Pumped 135bb1s 180*F Diesel don tubing. FWHP's = 500/500/80 X-20 7/9/2007 DRIFTED W/ 3.80 SWEDGE & S-BAILER. WORKED TOOLS FROM 2979' TO 3633'.. BAILER M/T. DRIFTED W/ 2.50 CENT & S-BAILER TO UPPER PATCH @ 7219' SLM + 2g' CORRECTION. RAN TANDEM PETRADAT GAUGES AS PER PROGRAM. STOPPED DUE TO DEV. @ 11,163' SLM. GOOD DATA. PREFORMED WEEKLY FUNCTION & PRESSURE TEST ON WLV'S.....GOOD TEST BRUSHED W/ 4 1/2" BLB & 3.805 G-RING WHILE LRS PUMPED HOT DIESEL TO TOP OF PATCH @ 7219' SLM. PULLED UPPER PATCH FROM 7219' SLM... BEAT ON LOWER ANCHOR @ 7238' SLM FOR 1HR @ 1800#. JOB IN PROGRESS. X-20 7/10/2007 PULLED LOWER ANCHOR PACKER FROM 7238' SLM. DRIFTED W/ 3.805 G-RING &BLB TO TOP OF LOWER PATCH @ 7816' SLM. PULLED LOWER PATCH FROM 7812' SLM...PULLED LOWER ANCHOR PACKER FROM 7836' SLM. DRIFT W/ 4 1/2" BL-BRUSH & GRAB TO 11040' SLM, STOPPED DUE TO DEV. (68 DEG)...RECOVERED 2 IBP ELEMENTS & 1 PATCH ELEMENT. CALIPERED TBG FROM 11,140' SLM TO SURFACE... GOOD DATA. RDMO. LEFT WELL SHUT IN -RETURNED TO OPER. X-20 7/15/2007 T/I/O/ =SSV/360/50. Temp = SI. OA FL (MITOA). OA FL @ 36' (4 bbls). X-20 7/17/2007 T/I/O =SSV/270/70. Temp = SI. OA FL (pre-MITOA). OA FL @ 36' (4 Bbls). IAP decreased 90 psi & OAP increased 20 psi over 2 days. X-20 7/27/2007 T/I/O =ssv/350/40 Temp = S/I -Load OA (Reg Compliance) -Loaded OA w/1.75 bbls 90* crude. Pressured up to 1500 psi, bled OAP to 0 psi, got back appx 1.6 bbls fluid. FWP's =ssv/350/0. Swab valve closed -needle valves closed, SSV closed, wing closed and locked out, master open, IA casing valve open -needle valve open to guage, OA casing valve open -needle valve open to guage, tag hung on OA. X-20 7/29/2007 T/I/0=250/340/60. Temp=Sl. MIT-OA PASSED to 3000 psi (for AA compliance). AOGCC State witnessed by Chuck Scheve. Pumped 2.3 bbls of 60' crude to test pressure. OAP decreased 80 psi in 1st 15 mins, 40 psi in 2nd 15 mins, 10 psi in 3rd 15 mins, for a total loss of 130 psi. Bled pressure back. Final WHP's= 250/340/60. Casing valves open to gauges and tagged, master open, ssv closed, wing closed and tagged, swab closed and needle valve open to gauge. X-20 8!29/2007 T/IA/OA= SSV/400/150 Temp= SI PPPOT-T (PASS) PPPOT-IC (PASS) (Pre CTD) PPPOT-T RU 2 HP bleed tools onto THA test void, 50 psi bleed to 0 psi. Flushed THA until clean returns achieved. Cycled LDS "ET style" torqued to 450 ft/Ibs no bent or broke pins. Pressured to 5000 psi for 30 min test, 4950/ 15 mins, 4950/ 30 mins. Bleed THA void to 0 psi RD test equipment, re-insta-led Alemite caps. PPPOT-IC RU 2 HP bleed tools onto IC test void, 1200 psi bleed to 0 psi. Flushed IC until clean returns achieved. Cycled LDS "ET style" torqued to 450 ft/Ibs no bent or broke pins. Pressured to 3500 psi for 30 min test, 3400/ 15 mins, 3400/ 30 mins. Bleed IC void to 0 psi, RD test equipment, re-installed Alemite caps. X-20 9/1.6/2007 T/I/0=400/340/80 Temp=s/i SBG (Pre-CTD) Pump 175 bbls SBG mixture. Allow to soak for 3 hrs. Pump 280 bbls 2% kcl, followed by 40 bbls 50/50 meth. FWHP's= 0/400/100, Annulus casing valves open to gauges, Master and Wing tagged on departure. X-20 9/19/2007 CTU #5 Job Scope P&A CTD Prep. MIRU drift 1.75" tapered string w. 1.25" ball. Perform weekly BOPE test. RIH w. Weatherford 2.188" MHA, SLB 2.2" carrier w. CCL/Gama Ray, 3.65" JSN. Job In Progress. X-20 9/20/2007 CTU #5 Cont' WRS from 9/19/07 P&A CTD. prep. RIH w. 2.188" MHA, 2.2" carrier w. CCUGR, 3.65" JSN. Drifted to 11500' no problems. Logged from 11500'/11200' flag CT/11000' RIH w. HES 4 1/2" EZ drill cement retainer. Corrected depth @ flag to top of EZ drill. Drifted 20' past planned setting depth (11280') started pulling heavy @ 11287' worked up to 11282'. Called town APE Set EZ drill @ 11282' Released and PUH 20' performed integrity test to 500 WHP with IA tracking to 950 psi. Did not hold bleed down in 5 min. Both tubing and IA responded quickly during test. bleed to return tanks and verified well fluid packed on both sides. Looks like 2' of slotted liner exposed above EZ drill. RIH w. HES stinger ..Pump 27 bbls of 15.88 ppg cement below HES cement retainer for P&A. Job in progress. ~ ~ Well History Well Date Summary X-20 9/21/2007 CTU #5 Cont' WRS from 9/20/07 P&A CTD prep. Cement job completed . M/U 3.61" Baker dummy whipstock for drif to whipstock setting point of 11280' with no problems. Job Complete. X-20 9/22/2007 WELL S/I ON ARRIVAL. DRIFTED TO DEVIATION AT 11,073'SLM W/3.70" CENT, S.BAILER (NO SAMPLE). WELL LEFT S/I AND TURNED OVER TO PAD OP. X-20 9/25/2007 WELL SHUT IN UPON ARRIVAL. T/I/O = 0/180/0 PSI. RIGGING UP E-LINE EQUIPMENT. Job In Progress. X-20 9/26/2007 SMALL TUBING PUNCHER SHOT OVER INTERVAL FROM 10,682'-10,684'. LRS PRESSURED UPON TUBING TO 1000 LBS AT TIME OF PUNCHER FIRE TO VERIFY HOLES PUNCHED. TUBING BLED BACK TO 0 PSIA. 2 STRAND X 12 FT STRING SHOT FROM 10,700'-10,712'. 3-5/8" CHEMICAL CUTTER ATTEMPTED AT 10,710 FT- SAFE EXPLOSIVES ADAPTOR FLOODED DUE TO POOR O-RING SEAT ON PITTED SURFACE. SECOND 3-5/8" CHEMICAL CUTTER ATTEMPTED AT 10,710 FT-SECURE IGNITOR FAILURE. DEPTHS CORRELATED TUBING TALLY DATED 22-JUN-1994. Job In Progress. X-20 9/26/2007 T/I/0=200/180/40 Assist E-Line w. TBG punch & Chemical cut (Pre RWO) Pumped 6.5 bbls diesel down tubing. Job In Progress. X-20 9/27/2007 HAD 2ND MIS-RUN WITH CHEM CUTTER (BAD IGNITOR), SUCCESSFUL ON 3RD ATTEMPT. CHEMICAL CUT 4 1/2" TUBING AT 10,710'. FINAL T/I/O = 0/200/0 PSI. WELL SHUT IN UPON DEPARTURE. JOB COMPLETE. X-20 9/27/2007 Circ out/ Attempt CMIT TxIA -FAILED. MIT OA -PASS. Pumped 8 bbls neat meth, 8 bbls diesel, 715 bbls 1% kcl down Tubing up IA through jumper line taking returns down X-19 Flowline. Pumped 105 bbls diesel down tubing still taking returns up IA through X-19-. U-tube TxIA to freeze protect. Pumped 11 bbls neat meth, 88 bbls diesel to freeze protect X-19 flowline. Pumped 31 bbls diesel down IA to Attempt CMIT TxIA- pressured up to 2500 psi after 19 bbls and maintained. Shut down pump after 31 bbls and T/IA pressures immediatly began falling- MIT OA 2000 psi PASS. Pumped 2.3 bbls diesel to achieve 2000 psi test pressure- OA lost 0 psi in 15 min's, gained 60 psi in 2nd 15 min's for a total of +60 psi in 30 min's- Pumped 25 bbls of diesel down IA to pressure Tx IA to 3000 psi- Maintained LLR of 1.15 bbls/min for additional 18 bbls. Job In Progress. X-20 9/28/2007 T/IA bleeding down after establishing LLR of 1.15 bbls/min for 18 bbls- FWHP's= 350/400/40. Swab valve closed, Master valve open, IA and OA valves open to gauges, Tags hung on Master, IA and OA valves on departure. X-20 9/30/2007 WELL S/I ON ARRIVAL, [pre fasdrill /pre ctd]. RAN 3.74" IMPRESSION BLOCK DOWN TBG TO 10,805' SLM. DRIFT CLEAR. LEFT WELL SHUT IN,TURNED WELL OVER TO PAD OPER. X-20 10/1/2007 WELL SHUT-IN ON ARRIVAL. INITIAL T/I/O:0/0/0 PSI. SET 4-1/2" FASDRILL BRIDGE PLUG AT 10775' -MID ELEMENT. GOOD INDICATION OF SET. SAT BACK DOWN ON PLUG. WELL LEFT SHUT-IN. FINAL T/I/O = 0/0/0. JOB COMPLETED. X-20 10/2/2007 T/I/0=O/Vac/50 Temp=Cold CMIT-TxIA to 2500 PSI PASSED (Waiver & AA cancellation) Pumped 14.8 bbls of 50` diesel down TBG to reach 2500 psi for CMIT TXIA 1st test 1st 15 min lost 60/40 2nd 15 min lost 10/20 psi for a total of 70/60 psi in 30 min Bled TxIA psi down bled back aporox. 10 bbls diesel Final Whp's=0/160/55. Swab shut wing shut pit valve shut SSV open master open casing valves open. X-20 10/3/2007 Set 4" 1/16 CIW type H BPV, Pre rig. X-20 10/4/2007 T/I/O = BPV/150/35. Temp = SI. Bleed WHPs to 0 psi (CTD prep). FL disconnected. IA FL @ surface. OA FL @ or near surface. Bled IAP from 150 psi to 0 psi in 40 min. Bled OAP from 35 psi to 0 psi in 25 min. Monitored pressures for 30 min. Final WHPs BPV/0/0. • BP EXPLORATION Operations .Summary Report Legal Well Name: X-20 Common Well Name: X-20 'Event Name: REENTER+COMPLETE Start: 10/112007 Contractor Name: Rig Release: Rig Name: Rig Number: Page 1 of 15 Spud Date: 5/13/1994 End: 10/30/2007 Date ~ From - To (Hours ~ Task ~ Code ~ NPT ~ Phase Description of Operations 10/10/2007 18:00 - 00:00 6.00 MOB P 10/11/2007 00:00 - 01:30 1.50 MOB P 01:30 - 06:00 4.50 MOB P 06:00 - 13:30 I 7.501 MOB I P 13:30 - 13:45 0.25 MOB P 13:45 - 18:00 4.25 MOB P 18:00 - 18:30 0.50 MOB P 18:30 - 19:30 1.00 MOB P 19:30 - 00:00 4.50 MOB P 10/12/2007 00:00 - 04:30 4.50 MOB P 04:30 - 08:30 4.00 BOPSU P 08:30 - 09:30 1.00 RIGU P 09:30 - 12:30 3.00 PULL P 12:30 - 01:30 13.00 PULL P 01:30 - 16:30 I 15.00 I PULL I P 16:30 - 18:00 I 1.50f PULL I P 18:00 - 00:00 6.00 PULL P 10/13/2007 00:00 - 06:00 6.00 PULL P 06:00 - 06:45 0.75 PULL P 06:45 - 09:30 2.75 DHB P 09:30 - 11:00 I 1.501 DHB 1 P PRE Move rig from X-30 to X-20. Spot herculite. Spot BOPs behind wellhead. Lay rig mats around wellhead. PRE Adjust rig mats. Spot and center rig over well head. Level rig. Set down. Accept rig at 0130 hrs. PRE Spot and run hardline to tiger tank. Spot cuttings box. Berm cellar area. Rig up in cellar to circulate through tree. Take on KCL water in pits. PRE RU Valve Crew and pull BPV. PT surface lines to 3500 psi. Circulated 60 bbl down the IA and then switch to pumping down the tubing at 4.00 with 2% KCL and SafeSurf. Checked flow, well underbalance. Circulated 4862 strokes and well is balanced. Install TWC as per BP RWO programme, SOP's and policy. PT below the TWC to 500 psi, (OK). PRE Held PJSM on ND tree. Review the procedure and delegated the work force in handling the tree PRE ND tree in 3 pieces. Working to check the threads on the NSCT hanger. Requires a extended neck crossover. PRE Crew change. Make rounds on rig. Hold PJSM to discuss testing landing/test joint rig up. PRE MU extended 4-1 /2" NSCT XO on landing joint. Engage in tubing hanger. PRE Trolley in BOPs. Lift with bridge crane. MU to tbg head. MU kill and choke lines. NU shooting flange and lubricator. PRE Continue to NU 13-5/8" BOPs. NU shooting flange and lubricator. Get high pressure body test on BOPS. Call AOGCC. Witness waived by J. Crisp. PRE Pressure test BOP equipment as per SOPS and Permit to Drill. DECOMP RU and pull TWC as per SOP's DECOMP Held PJSM on ND shooting flange and installing riser. DECOMP Make ready to pull 4-1/2" completion FMC backed LDS out 4-3/4" DECOMP PU on tubing at 120k, picked up out of tubing spool. Pulled heavy up to 130ik. PU 5 ft and circulated bottoms up. No gas or solids was seen at the shaker. PUH and string wt constant at 120k. Fluid tevet in hole remaining constant. Pulled hanger to surface and rig down same. LD landing joint. RU to pull tubing and control line. Control line looks good at surface. RU trip tank and make ready to pull and lay down 4-1/2" completion. DECOMP POOH (117k constant) and laying down tubing at 1:1 with control lines. Some of the pipe is getting crushed while trying to break it out. The threads looked over torqued and pulled. DECOMP Crew change. Continue to pull pipe. Connections are breaking out easier. 56 jts pulled. LD SSSV. DECOMP Continue to pull 4-1/2" completion. 155 jts layed down DECOMP Crew change, PJSM and conduct walk around with spill champion. DECOMP RU HES 7-5/8" RTTS packer with valve, 3 jts 3-1/2" DP. Install RTTS at 60 ft below GL PT to 1000 psi. Bleed OA down to 0 psi and monitor. DECOMP RU to pull pack-off and bleed down OA in preparation of pulling Printed: 11/12/2007 4:36:07 PM ~i BP EXPLORATION Operations Summary Report Legal Well Name: X-20 Common Well Name: X-20 Event Name: REENTER+COMPLETE Start: 10/1/2007 Contractor Name: Rig Release: Rig Name: Rig Number: Date I From - To l Hours I Task l Code I NPT I Phase '',10/13/2007 109.00 - 12:00 1.00 I DHB I P 12:00 - 13:30 I 1.501 CASE I P 13:30 - 17:30 I 4.001 BOPSUF~ P 17:30 - 22:30 I 5.001 PULL I P 22:30 - 23:45 I 1.251 PULL I P 23:45 - 00:00 I 0.251 EVAL I P 110/14/2007 i 00:00 - 03:30 ~ 3.50 ~ EVAL I P 03:30 - 10:00 I 6.501 EVAL ~ P 10:00 - 10:30 I 0.501 EVAL I P 10:30 - 16:30 6.00 RUNCO 16:30 - 17:00 0.50 17:00 - 18:00 1.00 18:00 - 18:30 0.50 18:30 - 00:00 5.50 10/15/2007 00:00 - 13:30 13.50 Page 2 of 15' Spud Date: 5/13/1994 End: 10/30/2007 Description of Operations DECOMP packoff DECOMP RU and pulled RTTS out of hole. OA still spitting gas to surface. DECOMP POOH laying down 4-1/2" tubing. 4-1/2" collars are starting to have corrosion caused by electrolysis where the collar is laying next to the 7-5/8" casing.The tubes look good and the threads that are not over torqued are in good shape. Area of concern is the surface of the 5" collar about 3" in width along the length of the collar. Checked the OA pressure and its finally dead. Monitored OA while POOH laying down tubing Lay down a total of 175 jts, 79 jts to go. OA is dead. DECOMP Hand to change collars out in the hole. Made up XO and RTTS with 3 jts of 3-1/2" DP and RIH and set at 65 ft below grown level. Set RTTS and PT top at 1000 psi. Change out packoff without incident, RILDS and PT to 5000 psi. RIH and pull RTTS out of hole, LD 3 jts of 3-1/2" DP RD HES equipment off the rig floor. DECOMP Continue to POOH laying down 4-1/2" completion. External corrosion lessend with depth. Cut joint section was 21.45' in length. The chemical cut was good with a slight flare, and a max OD of 4.625". DECOMP Remove all used tubulars from pipe shed. Joints 137, 143, 144, 148, 173, 174, 188, 189, 206, and 207 were marked with white joint numbers on red paint on each end of joint. DECOMP Hold PJSM with SLB slickline crew. Review job scope, hazards, handling procedures. Also discuss rigging up unit to allow simops loading of pipe shed. DECOMP Continue to run 6.65" GR/JB on SLB slickline. Tag tbg stub at 10,722' SL depth (ELM of stub was 10,710'). POOH. Junk basket basically empty of junk. Hole should be clean. Begin to load pipe shed with 4-1/2" TCII tbg. DECOMP Run 6" od lead impression block on slickline. Tag at 10,722'. POOH. Round, shallow impression. RIH with 3.8" TS. Ran through stump without any restriction at the top. Tagged the top of the Fast Plug at 10,765 ft. Reran the 6.65" LIB and seen the same small inprint. Continue to load pipe shed. DECOMP RD Wireline RUNCMP Load Pipe shed and RU to run tubing. Cut Drilling Line, RU Doyon Casing Torque Turn. RUNCMP PJSM on PU and handling completion tubulars and jewelry RUNCMP Running 4-1/2" Completion RUNCMP Crew change. Change out and make rig rounds. RUNCMP Continue to run 4-1/2" completion. 79 jts of 260 as of midnight. RUNCMP Continue to run 4-1/2" completion. 185 jts in the hole at crew change. RIH with 262 jts of 4-1/2" 12.6#/ft L-80 TC II tubing and stabbed 4 ft over stump. Shear pins at 10k and stack out 3' later. Spaced out using 1-5.79" 4-1/2" Pup Joint. Bottom of Overshot at 10,730 ft. Ran a total of 260 jts of 4-1/2" 12.6#/ft L-801 TCII tubing using torque tum. RD Doyon Casing and clean rig floor Printed: 11/12/2007 4:36:07 PM • BP EXPLORATION Operations Summary. Report Legal Well Name: X-20 Common Well Name: X-20 Event Name: REENTER+COMPLETE Start: 10/1/2007 Contractor Name: Rig Release: Rig Name: Rig Number: Date ~ From - To ~ Hours Task ~ Code ~ NPT ~ Phase 10/15/2007 114:30 -14:45 I 0.25 14:45 - 21:00 I 6.25 21:00 - 23:00 I 2.00 23:00 - 00:00 I 1.001 RUN 10/16/2007 100:00 - 02:00 I 2.00 02:00 - 02:45 0.75 02:45 - 04:00 1.25 04:00 - 04:45 0.75 RUNCO 04:45 - 06:50 2.08 BOPSU P 06:50 - 11:00 4.17 BOPSU P 11:00 - 17:00 6.00 WHSUR P 17:00 - 17:30 ( 0.501 RIGD ( P 17:30 - 17:45 0.25 RIGD P 17:45 - 20:00 2.25 RIGD P 20:00 - 00:00 4.00 BOPSU P 10/17/2007 00:00 - 02:30 2.50 BOPSU P 02:30 - 03:30 1.00 BOPSU N 03:30 - 09:50 6.33 BOPSU P 09:50 - 10:05 0.25 BOPSU P 10:05 - 11:00 0.92 WHSUR P 11:00 - 11:15 I 0.251 FISH I P 11:15 - 12:35 1.33 FISH P 12:35 - 16:00 I 3.421 FISH I P 16:00 - 16:15 0.25 RIGU P 16:15 - 18:00 1.75 RIGU P Page 3. of 15 Spud Date: 5/13/1994 End: 10/30/2007 Description of Operations RUNCMP RILOS. Changed out to shorter landing joint for slickline work. RUNCMP Held PJSM on RU Wireline for drifting the stump and setting RHC plug RUNCMP RU to run 3.80" drift to confirm the Ran 3.8" TS and tagged at 10, 755 ft. No issues with the top of the 4-1/2" stump. RIH with RHC plug and set in X Nipple at 10, 700 ft. Rig down SLB slickline. RUNCMP Hold PJSM with crew and crane operator. Spot and rig up crane. Lift spoolling unit, 3 reels, and several large boxes of thread protectors from rig to ground level. Rig down crane and move materials to edge of pad. RUNCMP Hold PJSM with Baker and crews. Displace IA to inhibited KCL water. Pump 290 bbls. Pump 65 bbls diesel to freeze protect IA. RUNCMP Continue to displace IA to inhibited KCL water at 3.0 bpm and 1200 psi. RUNCMP Freeze protect IA with 65 bbls of diesel. 2.0 bpm at 875 psi. RUNCMP Drop rod and ball assembly. Pressure tubing to 3500 psi to set packer. Pressure tubing to 4000 psi, Chart for 30 minutes. No bleed off. RUNCMP Re-configure chart recorder. Bleed tbg to 1500 psi. Pressure IA to 3500 psi. Record on chart. Bleed off IA and tbg. RUNCMP Remove landing joint. Drain BOP stack. Set two way check in hanger. RUNCMP ND BOP' RUNCMP Installed tree adaptor and pressure test to 5000 psi NU tree and PT to 5000 psi RUNCMP Prep to move rig off well RUNCMP PJSM-move rig off well RUNCMP Back rig off well. Remove used tree pieces. Set 7-1/16" BOPE on cellar mats and hoist w/ blocks ~~ Use VECO crane to remove 13-5/8" BOPE and set on moving skid and move to side of Pad Move rig back over well and set down RUNCMP NU 7-1/16" BOPE MI VECO lowboy and load used 2-3/8" E-CT reel #14373 into reelhouse. RU hardline RUNCMP Fin NU ROPE Fln prep E-CT reel and hardline RUNCMP Body test/chase leaks RUNCMP Test BOPE. AOGCC waived their right to witness the test RUNCMP PJSM for pulling TWC RUNCMP PU lubricator and tools, Stab on well and test to 500 psi, Pull TWC, RD tools and lubricator. RUNCMP PJSM for RU slickline and pulling ball & rod and RHC plug RUNCMP Spot slickline unit. New SL crew so take time to lead through the RU. Lift tools to floor. RU SL tools. RUNCMP Pull ball and rod then RHC plug. WEXIT PJSM for stabbing packoff, lifting the injector and stabbing coil. WEXIT Stab packoff, lift injector. After minor problems with the winch the coil anchor was pull tested. Pull the coil across the rig and stabbed into the injector. Panted: tt/1712007 4:36:V/ ran • • BP EXPLORATION Page 4 of 15 Operations Slummary Reporf Legal Well Name: X-20 Common Well Name: X-20 Event Name: REENTER+COMPLETE Start: Contractor Name: Rig Release: Rig Name: Rig Number: Date ~ From - To ~ Hours ~ Task ~ Code ~ NPT I Phase 10/17/2007 118:00 - 20:45 I 2.75) RIGU I N 201:00 - 21:50 0.831 CLEAN ( P 21:50 - 22:30 I 0.671 BOPSUFd P 22:30 - 22:40 I 0.17 CLEAN P 22:40 - 00:00 1.33 CLEAN P 10/18/2007 100:00 - 02:00 I 2.001 CLEAN ~ P 02:00 - 03:45 I 1.751 CLEAN I P 03:45 - 04:00 I 0.251 CLEAN I P 04:00 - 04:45 0.75 CLEAN P 04:45 - 05:10 0.42 CLEAN P 05:10 - 05:40 I 0.501 CLEAN I P 05:40 - 06:40 I 1.001 CLEAN I P 06:40 - 09:00 I 2.331 CLEAN I P Spud Date: 5/13/1994 10/1 /2007 End: 10/30/2007 Description of Operations WEXIT Meg test line and line tests okay. Find problem at collector and need SWS ET WEXIT Safety mtg re: fill CT and pump slack WEXIT Stab onto well. Reverse circ CT full w/ 2% KCI/2 ppb biozan 1.75/245 at start and 1.75/1300 after 60 bbls. Incr rate to 4.4/3900 and pump slack back. Had 2.5% slack in reel before pumping slack back WEXIT Pressure test inner reel valve and packoff 200/3500 as part of ROPE test WEXIT Safety mtg re: cut CT WEXIT RU hyd cutter and cut 17' and find wire. Dress end of CT and install CTC SWS electrician fix short in collector WEXIT Begin Cement/Ball Pumping Test Thru E-CT Fin install CTC and SWS a-line anchor sub according to SWS procedure. PT 35k. PT to 3100 psi and lower set screw leaked. Replace O-ring and add thread sealant to gap between set screws. PT to 4000 psi. Ball drop is 180 deg out of optimal. Have trouble loading ball due to no way to move pipe in/out WEX1T Load 518" steel ball and displace 2.1!1700 w12% KCI w/ 2 ppb biozan to ball catcher while take returns to bung hole. CTV calc 57.5 bbls. Ball left launch port, but did not arrive at catcher at talc volume + 2.5 additional bbls. Incr rate to 3.3/2700 and hear ball rolling and pump additional 52 bbls and ball went on seat. Reload same 5/8" steel ball. Launch ball and pump 2.5/2300. Hear ball quit at -30.1 bbls. Incr rate to 3.25/2800 and got ball rolling so gradually slow to 3.0 bpm where ball quit again. Incr rate thru remainder of job to 3.25/2820 to keep ball rolling. Ball seated at 66.5 bbls. Recover ball. RD catcher. RU/PT floor lines to take cement returns from CT to open top tank WEXIT Safety mtg re: pump cement WEXIT SWS cementers batch up cement WEXIT SWS pump 5 bbls KCI to CT. PT @ 4000 psi. Load CT w/ 27.1 bbls 15.8#'G' cement w/ latex and retarder at 2.0/1600 @ 82F while taking bio retums to open top tank WEXIT Rig displace cement at 2.6/4000 w/ 2% KCI w/ 2 ppb biozan. Rate/press with cement at end of CT 2.60/4030, w/ 15 bbls in tank 3.013780 and start hearing slack move forward occasionallly, with all cement in tank 4.0/3300. Pump additional 15 bbls to clear lines and FCP 4.0/3180 WEXIT RD floor lines to open top tank. RU ball catcher and circ CT over bung hole at min rate RD SWS cementers, blow down line to the open top tank. WEXIT Load 5/8" steel ball to reel a circulate at 2.5 bpm. Can hear the ball moving, will keep someone in the reel house to ensure it keeps moving. Ball stopped somewhere between 15 and 30 bbls. Bump rate up to 3.0 bpm and still no ball movement. Bump rate up to 3.5 bpm and still no ball movement. RU to reverse then pump 5 bbl / 3.5 bpm. Pump forward and heard ball but it stopped after 5 bbl. Try the reverse trick again same results. Drop rate to zero then pump and hear the ball move rnntea: ainzrzuui vso:ur rnn • BP EXPLORATION Operations Summary Report Legal Well Name: X-20 Common Well Name: X-20 Event Name: REENTER+COMPLETE Contractor Name: Rig Name: Start: 10/1 /2007 Rig Release: Rig Number: Date ~ From - To ~ Hours ~ Task I Code ~ NPT ~ Phase Page 5 of 15' Spud Date: 5/13/1994 End: 10!30/2007 Description of Operations 10/18/2007 06:40 - 09:00 2.33 CLEAN P WEXIT just a little. Keep pumping at 3.4 bpm with no ball movement for 30 bbl. Check ball catcher sub and did not find ball. 09:00 - 09:30 0.50 CLEAN N WEXIT Wait on BOT to bring out Circ sub and DFCV 09:00 - 09:15 0.25 CLEAN P WEXIT PJSM: MU BHA and line up to tiger tank 09:15 - 10:00 0.75 CLEAN P WEXIT MU DFCV, Circ sub (5/8" seat), and nozzle to the anchored e-line sub. 10:00 - 12:00 2.00 CLEAN P WEXIT RIH pumping at min rate taking completion fluid to the tiger tank. At 1000' bring rate up to 2.5 bpm and still no audible ball movement. Continue in hole at min rate to the Fas drill plug. Tag at 10786.4 CTMD. Correct to 10775'. 12:00 - 12:20 0.33 CLEAN P WEXIT PU to 10750'. Pump at 2.5 bpm / 1860 psi. No sounds of ball movement in reel house. Given the volumes the ball stopped moving it should be off the reel. Saw a pressure spike after pumping 31 bbls. 12:20 - 15:00 2.67 CLEAN P WEXIT POH while displacing completion fluid to the tiger tank. Dirty, Dirty, Dirty completion fluid, lots of solids coming out. Finally cleaned up after -300 bbls. PJSM: for LD BHA, testing eline, and cutting coil while coming out of the hole. 15:00 - 15:40 0.67 CLEAN P WEXIT LD nozzle, Circ sub (wl ball on seat), DFCV and anchor sub. Meg and continuity test was good. Cut off CTC then 50' of coil and cable. No kinks, birdnest, or damage to the cable. 15:40 - 19:20 3.67 CLEAN C WEXIT MU CTC and pull test to 35k. MU BHI tools and test. Open valves in reel house and flush w/ biozan. Displace CT volume thru bypass Bring BTT milling and WS tools to floor and put in pipeshed Offload additional 290 bbls 2% KCI w/ 2 ppb biozan into pits End Cementing Test 19:20 - 20:15 0.92 CLEAN C WEXIT MU BOT up/down jars, 1 jts of PH6, 2-7/8" motor, and 3.70" 5 blade junk mill on BHI MWD assy w/ DGS 20:15 - 22:30 2.25 CLEAN C WEXIT RIH w/ BHA #2 circ thru mill 0.5/1000. RIH 22k and tag at 10789' CTD at min rate. PUH 52k Start pump 2.3/2360 PVT 1711431 22:30 - 23:00 0.50 CLEAN C WEXIT Ease in hole 0.1'/ 2 min from 10787.4' and had a little MW at 10788.4'. Lost circ (2 bbls), then regained nearly full retums 2.32/2.0/2330. Ease in hole then had two stalls. PUH clean at 52k. Resume pump and ease back down to MW at 10788.35'. Drill Fas-Dril plug 2.3212.10/2400 w/ 9.46 ECD w/ <50 psi MW in 5 min. Appears to be gone by 10789.0' 23:00 - 23:30 0.50 CLEAN C WEXIT RIH 17.8k slowly from 10789.5' w/ no wob white circ 2.32/2.14/2330. Had 100 psi incr in CTP at 10845'. PUH was clean so assume plugged a jet 2.32/2.20/2450. Continue RIH 15-20'/min while circ. Lost wt and had MW at 11302.0' CTD. SD pump, PUH clean. Retag at min rate 23:30 - 23:45 0.25 CLEAN C WEXIT Wiper up hole to 11050' was clean. Bottoms up had no gas in retums PVT 421 23:45 - 00:00 0.25 CLEAN C WEXIT Log tie-in down from 11050' 0.42/0.35/900 10/19/2007 00:00 - 01:00 1.00 CLEAN C WEXIT Continue log tie-in down to 11222'. Corr -4' 01:00 - 01:10 0.17 CLEAN C WEXIT RIH and retag TD at 11298'-plenty of room for WS 01:10 - 01:30 0.33 CLEAN C WEXIT POH circ 1.5/1600 w/ 53k. Pull flte to 65k and had MW at 10350'. RBIH, then 'out' MM started plugging off. Incr rate to 2.5/2520 and PUH slow thru 10350' w/ no problem. Blow Printed: 11/12/2007 4:36:07 PM TRFF~= 4" (:MJ 5M WELLHEAD= FMC ACTUATOR = BAKER KB. ELEV = 68.8' BF. ELEV = 42.0' KOP = 800' Max Angle = 92 @ 11594' Datum MD = 10852' Datum TV D = 8800' SS DRLG DRAFT X-20A I O I SAFETY NOTES: II 10-3/4" CSG, 45.5#, NT-80, LHE-BTC, D = 9.953" ~ Chemical Cut Tubing @ 10,710' ~4-1/2" TBG, 12.6#, L-80, .0152bpf, ID = 3.958" ~- j 10814' ~ 5-1/2" X 4-1/2" XO , ID = 3.91" 10826' 7-5/8" CSG, 29.7", NT 95, NSCC, ID = 6.875" 10952' 11056' 11056' _F.' I[ 11066' PERFORATION SUMMARY REF LOG: MWD/GR 06/10/94 ANGLE AT TOP PERF: 86 @ 11284' Note: Refer to Production DB for historical perf data SIZE SPF INTERVAL Opn/Sqz DATE 2-3/4" 6 11284 -11304 ?! oposed 3-3/8" 6 11395 -11435 ~ ~oposed 2-3/4" 6 11488 -11508 ~soltaed t: oposed 2" 6 13110-13500 Open 10/27/07 I4-1/2" X 6-3/4" CTC (ECP), ID = 3.980" ~~ 12037' ~- 4-112" LNR, 12.6#, L-80 NSCT, .0152 bpf, ID = 3.958" 1217 TOP OF 4-1/2" SLTD LNR 12177' I PBTD I 4-1/2" SLTD LNR, 12.6#, 13-CR-80 NSCT, .0152 bpf, ID = 12720' DATE REV BY COMMENTS DATE REV BY COMMENTS 06122/94 MDO ORIGINAL HORZ COMPLETION 01/23/04 SRB/KK CORRECTIONS 04/19/06 RPWPJC WANER SAFETY NOTE 12/16/06 JRP/PJC PULL IBP ~ 10743' & FISH (ELEMENTS) 10/30!07 NORDIC2 CTD SIDETRACK (X-20A) 11/03/07 /TLH CORRECTIONS 14-1/2" OTIS XN NIP, ID = 3.725" PRUDHOE BAY UNIT WELL: X-20 PERMfr No: 1940607 API No: 50-029-22478-70 SEC 7, T10N, R14E BP Exploration (Alaska) 2,244' - 4-1/2" HEX X Nipple, L-80, 3.813" ID -10655' - 4-1/2" HES X Nipple, L-80, 3.813" ID 10676' - 7-5/8" x 4-1 /2" Baker S3 Packer -10700' - 4-1 /2" HES X Nipple, L-80, 3.813" ID - 7-5/8" x 4-1 /2" Unique Machine Overshot 10741' 7-5/8" x 4-1/2" BKR SABL-3 PKR, ~ = 3.875" 10802' 4-1/2" OTIS X NIP, ~ = 3.813" 10803' TOP OF TIEBACK SLV, ID = 6.358" 1r1R14' 7_5/R" TM/ HANGER PKR 10814' 4-1/2" WLEG, ID= 3.958" 10821' 5-112" X 7-518" TNV HYD HANGER 10820' _ . ~ - ~-om Fi~,~_ .;9 11026' --~4 5" KB Packer 4" GS FN 11643' 3- 3/16 x 2-7/8 X-over 3-3116" X 2-718" ~mYed and perfed~ 1351 11270' Mechanical Whipste 11298' Cement Retainer • BP EXPLORATION Page 6 of 15 Operatiolns Summary Report Legal Well Name: X-20 Common Well Name: X-20 Spud Date: 5/13/1994 Event Name: REENTER+COMPLETE Start: 10/1/2007 End: 10/30/2007 Contractor Name: Rig Release: Rig Name: Rig Number: Date From - To Hours Task Code NPT Phase Description of Operations 10/19/2007 01:10 - 01:30 0.33 CLEAN C WEXIT unknown debris out of MM and WHP returned to normal 01:30 - 03:30 2.00 CLEAN C WEXIT Resume POH 2.5/2500 w/ +/-5k higher than normal string wt of 51k 03:30 - 04:20 0.83 CLEAN C WEXIT LD milling assy. Mill had no wear Purge hyd oil from weight cell and lost 6k weight 04:20 - 07:20 3.00 STWHIP P WEXIT MU BHA#3 BTT 4-1/2" monobore WS assy with 2 RA tags. 07:20 - 09:20 2.00 STWHIP P WEXIT RIH with Whipstock and setting assembly. EDC open and pumping at min rate. Set 2k down at 10828'. PU and run past with no problem. 09:20 - 09:40 0.33 STWHIP P WEXIT Log GR tie-in from 11140' to 11200'. Corr -3' 09:40 - 10:00 0.33 STWHIP P WEXIT Put TOWS at 11265' Highside trayface. Close EDC pressure up to 4000 psi and set WS. Set 4k on WS to verify no movement. 10:00 - 12:20 2.33 STWHIP P WEXIT POH to BHA pumping at 1.5 bpm. Lost 5 bbls on the trip out. IAP: 271 OAP:228 PJSM while POOH for LD BHA and PU milling assembly. 12:20 - 14:00 1.67 STWHIP P WEXIT LD WS setting adapter, HOT, and DGS MU BHA#4 whipstock milling assembly (no DGS, 1 jt of PH6) 14:00 - 16:30 2.50 STWHIP P WEXIT RIH with milling assembly, pumping min rate through open EDC. Lose signal to the CoiITRAK tools. Set down at 10680'. PU to 10671 and fix communication problem with the tools and close the EDC. Bring up rate to 1.0/ 1300psi. Tag at 10,703' and 10,775'. Suspect junk from Fas-Drill Plug. Bring up rate to 2.6 bpm / 2743psi. RIH to 11240' clean lower rate to 0.5 bpm for the tag. Tag pinch point at 11,270.4'. Correct to 11,265' -4.6' . c~ ~ 16:30 - 17:40 1.17 STWHIP P WEXIT Bring up rate to 2.53/ 2620 FS. Start milling window 11265' ,. 31~" ` 2.53/ 2.51/ 2760 psi / 1110 WOB / 9.57 ECD. X.~ ~ 17:40 - 19:00 1.33 STWHIP P WEXIT Milling Window at 11266' 2.50/2.5012780psi/1580 WOB/ 9.59 ECD PVT 415 19:00 - 20:30 1.50 STWHIP P WEXIT Mill window from 11267.0' 2.5/2700 w/ 50-100 psi dill, 2.5-3.Ok wob 9.49 ECO 20:30 - 22:00 1.50 STWHIP P WEXIT Mill window from 11268.0' 2.512680 w/ 50.100 psi dill, 3.0-3.7k wob 9.49 ECD 22:00 - 00:00 2.00 STWHIP P WEXIT Mill window from 11270.0' 2.5/2650 w/ <100 psi dill, 2.0-2.5k wob w/ 9.49 ECD Milled to 11272.0' 10/20/2007 00:00 - 01:00 1.00 STWHIP P WEXIT Mill from 11272.0' to 11273.8' which is the BOW 01:00 - 02:00 1.00 STWHIP P WEXIT Drill open hole from 11273.8' to 11284' 2.5/2780 w/ 100-150 psi dill, 2.5k avg wob w/ 9.49 ECD Dri11 to 11284' 02:00 - 02:45 0.75 STWHIP P WEXIT Dress window and dry drift Preliminary depths TOWS/TOW 11265', RA 11273.6', BOW 11273.8' 02:45 - 05:00 2.25 STWHIP P WEXIT POOH circ thru mill 2.5/2400 05:00 - 05:45 0.75 STWHIP P WEXIT LD milling assy. Mill gauged 3.79", SR 3.78" w/ center wear 05:45 - 07:50 2.08 DRILL P PROD1 Prep for MU BHA#5- lateral assy. Crew change and PJSM for PU lateral assembly. PU HCC rebuild bicenter bit, 1.0 deg motor, and resistivity. 07:50 - 09:00 1.17 DRILL P PROD1 RIH with BHA#5 circulating at min thru open EDC. DPS tools lost comms followed by the P&C sub. 09:00 - 10:10 1.17 DRILL N DFAL PROD1 POH to BHA from 6134'. 10:10 - 15:15 5.08 DRILL N DFAL PROD1 LD LOC, P&C, and DPS and they tested fine. The e-line tested good. Test new LQC, P&C and DPS sub and it doesn't work. Printed: 11/12/2007 43(i:Uf YM . . ~"[~"[Œ (ill~ ~~~~æ~ / A.....A.~1iA OIL AND GAS / CONSERVATION COMMISSION i SARAH PALIN, GOVERNOR 333 W. 7th AVENUE, SUITE 100 ANCHORAGE, ALASKA 99501-3539 PHONE (907) 279-1433 FAX (907) 276-7542 Greg Sarber CT Drilling Engineer BP Exploration Alaska, Inc. PO Box 196612 Anchorage, AK 99519-6612 . ,. .. . \ q4-~ oIP? Re: Prudhoe Bay Field, Prudhoe Bay Oil Pool, PBU X-20 Sundry Number: 307 -267 Dear Mr. Sarber: SCANNED AUG 2 02007 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, DATED this /lday of August, 2007 Encl. f)~ 1" /17 i¥ ~ STATE OF ALASKA . J!-/s-r. RECEIVED ALASKA Oil AND GAS CONSERVATION COMMISSION f4''7f1 ç . APPLICATION FOR SUNDRY APPROVAL AUG 1 4 Z007 20 AAC 25 280 n: 0) f'. ,.. '......."......... - ...... ......" . o Time Extensioanchorage o Re-Enter Suspended Well 181 Other - Replace failed Tba, PreD for Sidetrack 5. Permit To Drill Number 194-067 .... 6. API Number: 50- 029-22478-00-00 8. Well Name and Number: n 1. Type of Request: 181 Abandon 0 Suspend 0 Operation Shutdown o Alter Casing 181 Repair Well 0 Plug Perforations o Change Approved Program JlpUII TubinQ 0 Perforate New Pool )/j.No{ S/lç 4. Current Well Class: o Development 0 Exploratory ~ Service 0 Stratigraphic o Perforate o Stimulate o Waiver 2. Operator Name: BP Exploration (Alaska) Inc. 3. Address: P.O. Box 196612, Anchorage, Alaska 99519-6612 7. If perforating, closest approach in pool(s) opened by this operation to nearest property line where ownership or landownership changes: Spacing Exception Required? 0 Yes ~ No 9. Property Designation: 10. KB Elevation (ft): _ 11. Field / Pool(s): - ADL 047472 - 68' Prudhoe Bay Field / Prudhoe Bay Pool XX/Xi (i(((I>/J" ,,/(..,' i ,.J/iti ',/ ...J" ..,i/i'/;';i,Ji;(YJi 'i//i/ ".iFFF iFJii,i/;·;i' Total Depth MD (ft): Total Depth TVD (ft): I Effective Depth MD (ft): Effective Depth TVD (ft): Plugs (measured): Junk (measured): 12964 9004 I 12717 9015 None Yes, Unknown Casina Lenath Size MD TVD Burst CollaDse Structural Conductor Surface Intermediate Production Liner - PBU X-20 _ 80' 3536' 10925' 20" 10-3/4" 7-5/8" 110' 3566' 1 0952' 110' 3149' 8922' 1490 5210 8180 470 2480 5120 1899' 4-1/2" 10821' - 12720' 8851' - 9015' 8430 7500 Perforation Depth MD (ft): I Perforation Depth TVD (ft): I (& Slots) 11284' - 12718' 9009' - 9015' Packers and SSSV Type: 7-5/8" x 4-1/2" Baker 'SABL-3' packer Tubing Size: 4-112", 12.6# Tubing MD (ft): 10814' 13. Attachments: ~ Description Summary of Proposal 0 BOP Sketch o Detailed Operations Program 15. Estimated Date for Commencina Operations: 17. Verbal Approval: Commission Representative: 18. I hereby certify that the foregoin~ is true and correct to the best of my knowledge. Printed Name Gr€9ISarber \ I Title CT Drilling Engineer ~é\A~ ~ ßÝØOh ( ) Tubing Grade: L-80 I Packers and SSSV MD (ft): 10741' 14. Well Class after proposed work: o Exploratory 0 Development ~ Service August 23, 2007 Date: 16. Well Status after proposed work: o Oil 0 Gas o WAG 0 GINJ ~$'(IS- ~ Plugged ~ Abandoned o WINJ 0 WDSPL Contact Greg Sarber, 564-4330 Signature Phone 564-4330 Prepared By Name/Number: Date ~..I¢-o:¡ Terrie Hubble, 564-4628 Commission Use Only - I Sundry Number: (")¡'(J.. tllß. '1 Conditions of approval: Notify Commission so that a representative may witness o Plug Integrity ~OP Test 0 Mechanical Integrity Test 0 Location Clearance Other: '"36ao~C;;\ ~a '? ~<:>~ Subsequent Form Required: \.-\Q 'ì ~ A Approved 8v:, / f ~MMISSIONER Form 10-403 Revised 06/2006 V' C/ '-..--/ ORIGINAL APPROVED BY THE COMMISSION Date 8~/9 ~ ð}f- Submit In Duplicate . . To: Tom Maunder Petroleum Engineer Alaska Oil & Gas Conservation Commission From: Greg Sarber CTD Engineer Obp Date: August13,2007 Re: X-20 Sundry Approval Sundry approval is requested to abandon peñorations on well X-20, and to peñorm a workover. X-20 is currently shut in for T x fA communication. Well X-20 was drilled in June, 1994 to an upper Zn4 target at the southern extremity of the field southwest of X Pad. It was completed as a producer and cum'd 650 mbo before it was shut in for conversion to injection in October, 1996. Produced water injection started in March, 1997. MI injection started in July, 1997. Wag service continued until 2002 when holes in the tubing were first discovered. X-20i was first flagged for Txl communication August, 2001. An MIT-IA passed in April, 2001, but failed in August. The well was Sf briefly then returned to PWI service. A diagnostic Leak Detect Log (LDL) was run February, 2002. The LDL found a 1.2 bpm leak at 7259'. Based on that an Eclipse patch was set across the leak at 7259'. Subsequent MIT testing again failed and LDL #2 was run May, 2002. This log found a 1.8 gpm leak at 7854'. The first patch was pulled. Two eclipse patches were run and both leaks covered. An MIT-IA passed and the well returned to WAG service. In January, 2004 the DSO flagged the well for high lAP. The subsequent MIT-IA failed and in March, 2004 the well was restricted to water injection only but was left shut in. LDL #3 was run June, 2005 and found a third leak at .2 bpm at 8648'. X-20i has remained shut-in since 2004 due to a combination of well bore integrity issues, surface facility limitations and injection conformance concerns. The remaining wells in the triple: X-36i has no integrity issues and is in service at this time. X-33i has just been restored as an operable well on 08/08/07. The well passed MITIA 2400# post patch 08/07/07. Restoring tubing integrity to X-33i and X-20i will allow the injection triple to return to MI service. Two tbg patches have been retrieved as part of pre CST + work and the most recent caliper run on 7/10/07 suggested that tubing is in good condition with respect to internal corrosion with no significant wall penetrations or areas of cross sectional wall loss recorded throughout the tubing or liner logged. The well passed AOGCC MITOA 3000# 07/29/07. The well is scheduled for a workover to replace the existing 4-1/2" L-80 production tubing with 4-1/2" L-80 tubing. A stacker packer completion will be made. (See attached schematic). Immediately following the work over a coil tubing sidetrack will then be made by performing a sidetrack off of a whipstock set in the 4-1/2" liner. All perforations below the whipstock will be abandoned by a cement plug. The existing X-20i well bore profile is very flat and injection may not be communicating with all sands, possibly explaining why X-22/X-22A decline is seemingly unchecked and appears to be higher since X-20i went offline in 2004. Injection\VRR skin plot indicates we have not replaced the local pattern voidage that was created before periphery injection began. The pattern is about 40% low. Repositioning the well bore will improve injection support in this pattern. REASON FOR SUNDRY: The existing production tubing has failed and needs to be replaced. Even after the tubing replacement, in order to control injection and to prevent breakthrough from the new sidetrack well bore to the existing wellbore, it will be necessary to abandon all perforations and slotted liner in the existing parent well bore prior to drilling the coil ST. Pre-Rig Work: 1. 0 2. 0 3. S 4. C 5. S 6. C 7. E Functions test LDS PPPOT-T,IC Drift to top perforation at 11,284'. Recover IBP element fish if needed. - L\ Pump cement P&A on existing perforations/slotted liner. --=t ~04..Saf:t.. "'o\~'M.Cè:. ~:>'ð b!J\ S Drift to top of cement plug, and for chemical cut in 4-1/2" tubing. AS?f1\v1 .' If needed, under ream cement below 11,280' for whipstock placement. ' r ~ ¡, ç Chemical cut at 10,710', (Middle of first full joint above the pkr) . . 8. 0 9. 0 10. 0 11. 0 12, 0 13. 0 CMIT T x IA to 3500 psi. MIT OA to 2000 psi. Load T and IA with seawater circ thru chem cut and FP T & IA to 2000' with diesel. Bleed T, lA, OA to zero. SetBPV Bleed production flow lines and GL lines down to zero and blind flange Remove wellhouse, level pad Rig Workover Operations: (Scheduled to begin on September 15, 2007) 1. MIRU Nordic rig #2, pull BPV. 2. Circulate well to clean KWF thru tubing cut, set TWC. 3. ND tree, NU BOPE and test. Pull TWC 4. Pull old 4-1/2" L-80 production tubing from chemical cut at 10,710'. 5. RU Slickline. Make 8-1/2" gauge ring junk basket and LIB runs. 6. Begin running new 4-1/2" completion below Haliburton RTTS storm packer. 7. Set storm packer. 8. Replace IC Packoffs 9. Retrieve storm packer. 10. Continue running 4-1/2" L-80, TCII tubing string with new 7-5/8" packer, Unique overshot. 11. Space out. Circ Inhibited brine and diesel freeze protect into IA and tubing. 12. Set packer. Test IA and Tubing. 13. Set TWC. ND BOPE, NU Production tree and test. Packer -10,640'. 1 Rig Sidetrack Operations: (Scheduled to begin on September 22,2007) 1. NU 7-1/16" CT Drilling BOPE and test. 2. RU Slickline. Retrieve ball and rod, RHC plug. E-lin . 4. Mill 3.80" window at 11,270'. 5. Drill build/turn section with 3.75" x 4.125" bicenter bit, and land well. 6. Drill lateral section to 13,600'. 7. Run and cement a 2-7/8" x 3-3/16" L-80 liner string. 8. Make a cleanout run with mill and motor and SWS GR-CCL logging tool. 9. Perforate well. 10. Pump bleach treatment across perforation interval to break mud polymer. 11. Circulate well to KWF brine above liner top. FP well to 2000' with diesel. 12. Set BPV. ND 7-1/16" stack. FP tree and PT tree cap to 3500 psi. 13. RDMO Nordic 2. 'T~,~ Q.~~~\JQ. \ Post-Rig Work: 1 . Re-install wellhouse and FL's. 2. Pull BPV. 3. POP well Greg Sarber CTD Engineer CC: Well File Sondra Stewman/Terrie Hubble . . TREE = 4" ON 5M \NEllHEAD = FtvC ÃCTl.JAiöR;;; BAKER KB. S::Bï·;-~~~-~~~w·"68:ã; BF. 8..EV = 42.0- KOP= M8x~Ãríg¡e,; . ,92~i1594, öSiumMJ'; 10852' Datum WD ~-~--8ãoo 55 SAFETY NOTES: WB..L EXCEEDS 60 DEGANGLE o 10965' & THEN GOES TO HORIZONTAL. ···CHROME lNR.···TxIA COMM. OPERATING UMITS: MAX lAP = 2000 PSI, MAX OAP = 1000 PSI (04119106 WAIVER)··· X-20 2338' 4-112" OTIS HXOSSSV NP, 0= 3.813" GAS lFT MANDRElS MJ TVD DEV 'TYPE VLV LATCH PORT DATE 3028 2658 37 KBIVIG BK 5779 4837 36 KBIVIG BK 8061 6684 36 KBIVIG BK 10652 8680 52 KBIVIG BK 110-3/4" CSG, 45.S., NT-80, LHE-BTe, 10= 9.953" H 3566' Minimum ID = 3.725" @ 12166' 4-112" OTIS XN NIPPLE 4-112" OTIS X NP, 0=3.813" 10802' 10803' 10813' 10814' 10821' 4-112" OTIS X NP, 0= 3.813" TOPOFTEBAO<SLV, 0=6358" 7-518" TW HANGER PKR 4-112" WLEG, ID = 3.958" 5-112" x 7-518" TW HYD HANGER 14.112" TBG, 12.6#, L·80, .0152bpf,lD= 3958" H 10814' I 15-112"X4.112"XO, 0=3.91" H 10826' I 10818' H 8..MJTT LOG NOT AVAILABLE 1 7·5/8" CSG, 29,7", NT 95, NSCC. ID= 6.875" 10952' PERFORATION SlMnARY REF lOG: ~GR06I10194 ANGlE AT TOP PERF: 86@11284' Note: Refer to Production DB for historical perf data SIZE SPF INTERVAL 0pnISqz DATE 2-314" 6 11284-11304 C 02/13/98 3-318" 6 11395·11435 C 01/15/95 2-314" 6 11488-11508 C 02/13/98 111 111 FISH - 2 RUBBER IBP 8..EMENTS FISH - 2 RUBBER IBP 8..EMENTS & STFFNER RHG (10/29106) FISH - 8..EMENT & STFFEN:RRHG (12/16106) 111 14.1/2" OTlSXN NP, 10 = 3.725" I 12166' .... .... .... ... .... .... .... .... .... .... .... .... ... .... .... .... .... .... .... .... .... .... .... .... .... .... .... 12717' 4-1/2" X 6-3/4" GTC (ECP), Ð = 3.980" 4-1/2"lr-R, 12.6#, L-80 NSCT, .0152 bpf, 10= 3.958" 4-1/2" SLTD LNR. 12.6#, 13·CR-80 NSGT. ,0152 bpf, Ð = 3.953" DATE REV BY corvtÆNTS DATE REV BY COMV£NTS PRUJHOE BAY UNIT 06122/94 MOO ORIGINAL HORZ COM PLETlOI 11/22/06 TBJPAG SETBKRIBP@ 10743' \NElL: X-20 04129/04 MJAlKAK SET BKR I3P 12/16/06 JRPlPJC PULL 13P@ 10743' & FISH (8..EI'ÆI1T PERMT No: "1940607 07/14104 P\lVElKAK PLLL 13FY FISH 07/22/07 SVIICIPJC PULL Ea..PSEPATCHES (07/11107) API No: 50-029-22478-70 12/02/05 RINlITLH IBPSET(11124/05) see 7, nON, R14E 04119106 Rf'HIPJC WANER SAFETY NOTE 10/29/06 CJNIPAG PU.L BKR IBP I FISH 8..EMENTS BP Exploration (Alaska) ft 2.67 ft . . MEMORANDUM State of Alaska Alaska Oil and Gas Conservation Commission TO: Jim Regg 0 ( P.I. Supervisor· ('11211 q) 3/07 DATE: Wednesday, August 01, 2007 SUBJECT: Mechanical Integrity Tests BP EXPLORATION (ALASKA) INC X-20 PRUDHOE BAY UNIT X-20 FROM: Chuck Scheve Petroleum Inspector Src: Inspector Reviewed By: P.I. Suprv-.J1;e- Comm NON-CONFIDENTIAL Well Name: PRUDHOE BAY UNIT X-20 API Well Number: 50-029-22478-00-00 Inspector Name: Chuck Scheve Insp N urn: mitCS070730074413 Permit Number: 194-067-0 Inspection Date: 7/29/2007 Rei Insp N urn: Packer Depth Pretest Ini ti al 15 Min. 30 Min. 45 Min. 60 Min. / Well i X-20 ¡Type Inj. I N I TVD I 8803 /1 IA ~ 350 350 350 350 i 340 I. +-- I I + P.T. i 1940670 iTypeTest ¡ SPT! Test psi I 2200.75 i OA ! 60 3020 2940 2900 2890 ! Interval REQVAR P/F P ¡/" Tubing I 250 250 250 250 250 I Notes: Annual MITOA for AA compliance. SCANNED AUG 0 8 2007 Wednesday, August 01, 2007 Page I of I RE: MITs due - 03-11 (PTD #1790470) CMIT-TxIA and MITOA, .., . Jim, Our system is currently set up to alert us to the anniversary date of the most recent test. It is not set up to alert us to the anniversary date of the AA. In addition, every summer we run an MITOA campaign. Historically it has been more efficient to do the MITOAs in summer as a campaign due to weather related issues in the winter. Let me use PBU 03-11 as an example. PBU 03-11 had both an MITOA and CMIT-TxIA on 11/15/05 for testing prior to AA request submission. Then in June, we ran the MITOA campaign and retested the well. This then reset our clock for the MITOA from a November anniversary date to June. However, the CMIT-TxIA anniversary date is still in November. I would like to probe a little further into your concerns so I can help address them. It will require a work process cþap.se, from our end to change the anniversary date to that of the AA approval from the system we currently run. Please call with any question. Andrea Hughes Well Integrity Coordinator Office: (907) 659-5102 Pager: (907) 659-5100 xl154 sCANNED MAR 2 7 2007 -----Original Message----- From: James Regg [n1.ailt:o:jim regg@adrnin.st:ate:ak.usJ Sent: Monday, March 12, 2007 12:57 PM To: NSU, ADW Well Integrity Engineer Subject: Re: MITs due - 03-11 (PTD #1790470) CMIT-TxIA and MITOA, X-20 (PTD #1940670) MITOA There is a lot of confusion being created from BP's testing strategy when admin approvals require more than 1 type of MIT for regulatory compliance. We have seen this on several wells and have questioned why that is being done. PBU 03-11 is a good example to illustrate the concern. PBU X-20 appears to be similar. According to what you have provided, there was an MITOA done in June 2006 and a CMIT TxIA done in November 2006; both done presumably to accomplish the annual test requirements of admin approval AIO 4C.015. The anniversary date for the annual tests is the admin approval date (3/22/2006) . Finding it hard to understand the reason why these tests are being done so far apart. I would also question if the June 2006 test (3 months following AIO 4C.015) is consistent with the intent of the requirement for an annual MITOA; the CMIT TxIA timing is acceptable as satisfying part of the regulatory requirement. I'd appreciate some clarification. Thank you. Jim Regg lof3 3/15/20074:31 PM RE: MITs due - 03-11 (PTD #1790470) CMIT-TxIA and MITOA, ... . . AOGCC NSU, ADW Well Integrity Engineer wrote: Jim, Thank you for the update on testing due. Please see the attached MIT forms for the following wells: 03-11 (PTD #1790470): CMIT-TxIA from 11/19/06 and MITOA from 06/19/06 for variance compliance. X-20 (PTD #1940670): MITOA from 08/03/06 for variance compliance. We calculate the packer TVD for PBU 01-09A to be at 8,423' MD. This gives us a pressure test requirement of 2,106 psi. The pressure test performed on 03/17/06 was to 2500 psi. We plan on performing the test due by 3/17/07 to the same pressure. Please let me know if you need anything further on this well. I will send MIT forms for the other below listed wells as the tests are completed. Please call with any questions. Thank you, **Andrea Hughes* * *Well Integrity Coordinator** Office: (907) 659-5102 Pager: (907) 659-5100 x1154 * ----------------------------------------------------------------------- * From: * Jame s Regg [1!li::¡j}t:'?:j~rn_r,:E:'99(~Q"'('Jrr'jT:~ôt:i::¡t~:i3]~:lIé:¡ ] *Sent:* Friday, March 09, 2007 1:31 PM *To:* NSU, ADW Well Integrity Engineer *Cc:* Bob Fleckenstein; Admin AOGCC Prudhoe Bay *Subject:* MITs due Based on our data, the following wells are nearing due date for MITs (Class II UIC wells only): *Endicott* DIU 1-11/SN4 DIU 2-02/P18 DIU 5-03/SD9 MIT due 3/25/2007 MIT due 3/25/2007 MIT due 3/25/2007 *Milne Point* MPU F-84B MPU I-02 MPU I-09 MPU L-32 MPU S-ll MPU S-13 MPU S-31 MPU S-33 MIT due 3/14/2007 MIT due 3/14/2007 MIT due 3/14/2007 MIT due 3/14/2007 MIT due 3/14/2007 MIT due 3/14/2007 MIT due 3/14/2007 MIT due 3/14/2007 *Prudhoe Bay* PBU 01-09A MIT due 3/17/2007 (note - last MIT test pressure was low; must PBU 03-11 CMIT TxIA and PBU PWDW1-1 PBU S-114A be tested to at least 2963 psi) MIT due 3/22/2007 (note - AIO 4C.015 requires MITOA) MIT due 3/29/2007 MIT due 3/13/2007 20f3 3/15/20074:31 PM RE: MITs due - 03-11 (PTD #1790470) CMIT-TxIA and MITOA,... . PBU X-20 MIT due 3/29/2007 annual CMIT TxIA and MITOA; CMIT was done Jim Regg AOGCC 30f3 .. (note - AIO 3.007 requlres 12/4/2006) 3/15/20074:31 PM . . STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION . 12-\ ( Mechanical Integrity Test Qj!A iJ\ \'6 01 Email to:winton_Aubert@admin.state.ak.us;BOb_Fleckenstein@admin.state.ak.uS;Jim_Regg@admin.state.1k};.{10m_Maunder@admin.state.ak.us OPERA TOR: FIELD 1 UNIT 1 PAD: DATE: OPERATOR REP: AOGee REP: BP Exploration (Alaska), Inc. Prudhoe Bay / PBU / X pad 08/03/06 Andrea Hughes Packer Depth Pretest Initial 15Min. 30 Min. We1l1X-20 I Type Inj. 1 N TVD I 8,803' Tubing 1 01 01 0 0 Interval V P.TD·11940670 I Type test P Test psi I 3000 Casing 1 1401 1801 140 140 P/F P Notes: AOGCC MIT-OA for Regulatory Compliance. OAI 013000 12880 2860 Weill 1 Type Inj. I 1 TVD 1 Tubing I Interval I P.TD·I Type test Testpsi 1 Casing I P/FI Notes: I OAI I Weill I Type Inj. I TVD I Tubing I Interval I P.TD.I I Type test I Test psi Casing I P/FI Notes: OAI 1 Weill I Type Inj.1 I TVD I Tubing Intervall P.TD.I I Type test I I Test psi! Casing P/FI Notes: OA Weill I Type Inj.1 I TVD I Tubing Interva" PTD.I I Type testl I Test psi! Casing P/FI Notes: OA TYPE INJ Codes D = Drilling Waste G = Gas , = Industrial Wastewater N = Not Injecting W = Water MIT Report Form BFL 9/1/05 TYPE TEST Codes M = Annulus MonitorÎng P = Standard Pressure Test R = Internal Radioactive Tracer Survey A = Temperature Anomaly Survey 0= Differential Temperature Test INTERVAL Codes I = Initial Test 4 = Four Year Cycle V::: Required by Variance T = Test during Workover 0= Other (describe in notes) 2006-0803_ MIT _PBU _X-20 _ M ITOA.xls e e ~lít~i1T~ 1,1' H .~-9 1 J=- . ,I ct.J ,~ tl ffi~tl FRANK H. MURKOWSKJ, GOVERNOR AI,A~1iA OILAlWD GAS CONSERVATION COMMISSION 333 W. 7'" AVENUE, SUITE 100 ANCHORAGE, ALASKA 99501·3539 PHONE (907) 279-1433 FAX (907)276-7542 ADMINISTRATIVE APPROVAL AIO 3.007 March 22, 2006 Mr. Steve Rossberg, Wells Manager BP Exploration (Alaska) Inc. 900 East Benson Blvd. P.O. Box 196612 Anchorage, AK 99519-6612 i;;.", RE: PBU X-20 (PTD 194-067) Request for Administrative Approval Dear Mr. Rossberg: In accordance with Rule 9 of Area Injection Order ("AIO") 003.000, the Alaska Oil and Gas Conservation Commission ("AOGCC" or "Commission") hereby grants BP Explora- tion (Alaska) Inc. ("BPXA")'s request for administrative approval to continue water in- jection in the subject well. AOGCC finds that BPXA has elected to perform no corrective action at this time on PBU X-20. The Commission further finds that, based upon reported results of BPXA's diag- nostic procedures, PBU X-20 exhibits two competent barriers to release of well pressure. Accordingly, the Commission believes that the well's condition does not compromise overall well integrity so as to threaten the environment or human safety. AOGCC's administrative approval to continue water injection in PBU X-20 is condi- tioned upon the following: 1. BPXA shall record wellhead pressures and injection rate daily; 2. BPXA shall submit to the AOGCC a monthly report of well pressures and injec- tion rates; 3. BPXA shall perform an annual MIT - OA to 1.2 times the maximum anticipated well pressure, the anniversary date of which shall be this approval's effective date; Mr. Steve Rossberg March 22, 2006 Page 2 of2 e e 4. BPXA shall perform an annual CMIT - T x IA to 1.2 times the maximum antici- pated well pressure, the anniversary date of which shall be this approval's effec- tive date; 5. BPXA shall limit the well's OA pressure to 1000 psi; 6. BPXA shall immediately shut in the well and notify the AOGCC if there is any change in the well's mechanical condition; and 7. after well shut in due to a change in the well's mechanical condition, AOGCC ap- proval shall be required to restart injection. 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 consid- ered 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. or e, Alaska and dated March 22,2006. Cathy P.. Foerster Commissioner ~ Dan T. Seamount Commissioner e e BP Exploration (Alaska) Inc. Steve Rossberg, Wells Manager Post Office Box 196612 Anchorage, Alaska 99519-6612 March 08, 2006 F~ECE'VED MAR 1 5 2006 Mr. John Norman, Chairman Alaska Oil and Gas Conservation Commission 333 West 7th Avenue Anchorage, Alaska 99501 AlssìŒ :& Gas Cons. Commi;¡:;sb:m Anchorage Subject: Prudhoe Bay Unit X-20 (PTD 1940670) Request for Administrative Approval to Continue Water Injection Operations Dear Mr. Norman, BP Exploration (Alaska) Inc. requests approval to continue water injection operations into well X-20. Well X-20 has tubing by inner annulus communication as indicated by a failed MITIA conducted on 02/29/04. However, two competent barriers have been established and thus it is BP's contention that the well can be safely operated. These barriers are competent production casing and surface casing that have passed pressure tests to 1.2 times the maximum anticipated injection pressure. Observed annulus operating pressures do not exceed 45% of the casing's rated burst pressure. The proposed operating and monitoring plan (attached) includes the following: 1. Daily recording of surface pressure and injection rate 2. Mechanical integrity testing on an increased frequency 3. Increased reporting to the AOGCC through the Monthly Injection Report If one of the competent barriers should become compromised, the well will be shut in, the Commission notified and physical corrective options will be evaluated. The proposed operating and monitoring plan is based on sound engineering and operating practices, and is consistent with Area Injection Order 3, Rule 9. In addition, there is no source of underground drinking water; therefore, no USDW is endangered. It is BP's contention that approval of this request will provide safe operating conditions, is in the best interests of the GPB working owners and the State of Alaska. If you require any additional information, please contact me at 564-5637 or Joe Anders / Anna Dube at 659-5102. Sincerely, Steve Rossberg Wells Manager · Attachments _ . Technical Justifica_ for Administrative Approval Requ Wellbore Schematic TIO Plot · Prudhoe Bay Unit X-20 e Technical JustMcation for Administrative Approval Request March 08, 2006 Well History and Status Prudhoe Bay Unit well X-20 (PTD 1940670) has tubing by inner annulus communication. An MIT -IA failed on 02/29/04, leak rate is 0.2 bpm @ 3000 psi. A CMIT - TxlA passed to 3000 psi on 11/29/05 and an MIT-OA passed to 3000 psi on 11/25/05. These passing MITs demonstrate competent production casing and surface casing. Recent Well Events: - 02/29/04: MIT-IA Failed, LLR = .2 bpm @ 3000 psi. - 06/16/05: LDL identified leak @ 8646' elmd - 11/25/05: MIT-OA passed to 3000 psi. - 11/29/05: CMIT-TxIA passed to 3000 psi. Barrier and Hazard Evaluation The well has two competent well barrier systems to prevent the atmospheric release of fluids and to safely operate the well. The primary barrier is the production casing. In the event of a leak, the secondary well barrier system composed of the surface casing will contain any pressure. Both of these systems have been pressure tested to at least 1.2 times the maximum anticipated injection pressure to ensure competency. Barrier competency is monitored using wellhead pressure plots (TIO plot), Pressure / Rate plots and periodic pressure tests to 1.2 times the maximum anticipated injection pressure. Primary Well Barrier System: Production casing competency is demonstrated by the passing CMIT-TxIA to 3000 psi on 11/29/05. Primary well barrier system competency will be monitored by daily annulus pressure observations, by frequent review of a TIO plot to monitor pressure trends and by conducting an annual CMIT-TxlA. In the event of a production casing leak, OA pressure would increase to the injection pressure, providing notification of a compromised primary well barrier and initiating a well review. Secondary Well Barrier System: Surface casing competency is demonstrated by the passing MIT-OA to 3000 psi on 11/25/05. Competency will be monitored by daily annulus pressure observations, by frequent review of a TIO plot to monitor trends and by conducting an annual MIT-OA. Thermal Overpressure of the OA: Maximum allowable OA pressure will remain at 1000 psi. In the event of a shallow production casing leak, an OA pressure increase would be observed by the Operators conducting daily well inspections and the well would be shut- in. Injection fluid temperatures are warmer than the wellbore temperatures to the depth of the surface casing shoe. This results in the well cooling off when shut-in, preventing thermal overpressure. 6. Notify the AOGCC condition if there is any indication of a change in well mechanica 5. Perform an annual CMIT-TxIA to 1 2 times maximum anticipated well pressure. 4 Perform an annual MIT-OA to 1 2 times maximum anticipated well pressure. 3 Submit a report monthly of well pressures and injection rates to the AOGCC. 2. Record wellhead pressures and injection rate daily. 1 Continue water injection Proposed Operating and Monitoring Plan Mechanical Condition: ,. tubing is not considered a compo_t in the well barrier systems. The production C1lIing and surface casing are the two~mpetent well barrier systems and have been confirmed. The well will be shut-in at any indication of barrier competency loss. 4,000 3,000 X-20 TIO Plot () .. ~ IA MAASP III 2,000 -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- () .. 0.. 1 ,000 _º-6J!!lðð.êP._________________________________~______________-------~-------------- I)!I i \ I \ ,,,,..J..::-- - o 2/12/2005 4/12/2005 6/12/2005 IIIIIIUJDn U L. .' 8/12/2005 ~ - 10/12/2005 !II. ~ , I i ~..- .,., 12/12/2005 2/12/2006 -. Tbg -.IA -,;.- OA OOA . OOOA TREE = WELLHEA~= ACTl»\ rOR = KB. ELEV = BF. ELEV = KOP= Max Angle = Datum MD = Datum lVD = 4" CM! 5M FMC BAKER 68.8' 42.0' 800' 92 @ 11594' 10852' 8800'SS e X-20 SAFETY NOTES: WELL EXCEEDS 60 DEGANGLE @ 1.' & THEN GOES TO HORIZONTAL. 4-1/2" CHR, LNR. . 2338' 14-1/2" OTIS HXO SSSV NIP, ID = 3.813" I 110-3/4" CSG, 45.5#, NT-80, LHE-BTC, ID = 9.953" Minimum ID = 2.245" @ 7247' 4-1/2" ECLIPSE TBG PATCH '14-1/2" TBG, 12.6#, L-80, .0152bpf, ID = 3.958" I 10814' 15-1/2" x 4-1/2" XO, ID = 3.91" H 10826' 17-5/8" CSG, 29.7", NT 95, NSCC, ID = 6.875" 1 10952' GAS LIFT MANDRELS ST MD lVD DEV TYÆ VLV LATCH PORT DATE 4 3028 2658 37 KBMG BK 3 5779 4837 36 KBMG BK 2 8061 6684 36 KBMG BK 1 10652 8680 52 KBMG BK 7247'-7267 4-1/2" ECLIPSE TBG PATCH, ID = 2.245" 7844' - 7864' 4-1/2" ECLIPSE TBG PATCH, ID = 2.245" 10678' 10741' 10758' 10802' 10803' 10813' 10814' 10821' 10818' 14-1/2" OTIS X NIP, ID = 3.813" 1 7-5/8" x 4-1/2" BKR SABL-3 PKR, ID = 3.875" BKR IBP (11/24/05) 14-1/2" OTIS X NIP, ID = 3.813" I TOPOFTIEBACKSLV, ID = 6.358" I 17-5/8" TM! HANGER PKR I 14-1/2" WLEG, ID = 3.958" I 15-1/2" X 7-518" TIW HYD HANGER I H ELMD TT LOG NOT A V AILABLE I ??? -1 FISH - 2 RUBBER IBP ELEMENTS PERFORA TION SUMMARY REF LOG: MWD/GR 06/10/94 ANGLEATTOPÆRF: 86 @ 11284' Note: Refer to Production DB for historical perf data 14-1/2" OTIS XN NIP, ID = 3.725" I SIZE SPF INTERV AL Opn/Sqz DATE 2-3/4" 6 11284 -11304 0 02/13/98 3-3/8" 6 11395 -11435 0 01/15/95 2-3/4" 6 11488 -11508 0 02/13/98 I 4-1/2" X 6-3/4" CTC (ECP), ID = 3.980" 1 4-1/2" LNR, 12.6#, L-80 NSCT, .0152 bpf, ID= 3.958" I I TOP OF 4-1/2" SL TD LNR I .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... .... 4-1/2" SL TD LNR, 12.6#, 13-CR·SO NSCT, .0152 bpf, ID = 3.953" I DATE 06/22/94 04/11/01 04/04/02 07/13/02 07/17/02 01/23/04 REV BY COMMENTS M DO ORIGINAL HORZ COM PLETIO CH/KAK CORRECTIONS TMN/TLH ECLIPSE PATCH JClKAK CORRECTIONS CAO/TP ECLIPSE TBG PATCH SRB/KK CORRECTIONS DATE 04/29/04 07/14/04 12/02/05 REV BY COMMENTS MJA/KAK SET BKR IBP PNE/KA PULL IBPI FISH RWL/TLH IBP SET (11/24/05) PRUDHOE BAY UNIT WELL: X-20 PERMIT No: '1940607 API No: 50-029-22478-70 SEC 7, T10N, R14E BP Exploration (Alaska) MEMORANDUM e State of Alaska e Alaska Oil and Gas Conservation Commission DATE: Wednesday, November 30,2005 TO: Jim Reg" 'J / J "" ____.__----I>.I.Super~jsor__ l'.e1i1-/f }rDS ___ __~y_BJEe:[': Mt:(;~tili:aLImegrityJests __ ___ BP EXPLORATION (ALASKA) INC X·20 PRUDHOE BA Y UNIT X-20 FROM: Chuck Scheve Petroleum Inspector -----to~1··----- ~.Y"" 0 \ C\-' Src: Inspector Reviewed By: P.l. Suprv _]'g,¿"'" Comm NON-CONFIDENTIAL Well Name: PRUDHOE BAY UNIT X-20 API Well Number 50-029-22478-00-00 Inspector Name: Chuck Scheve Insp Num: mitCS051129152443 Permit Number: 194-067-0 Inspection Date: 11/29/2005 Rei Insp Num Packer Depth Pretest Initial 15 Min. 30 Min. 45 Min. 60 Min. Well I X-20 iType Inj.1 N I TVD ! 8803 ! IA i 470 I 3010 I 2990 I 2980 i ! i P.T. 11940670 ITypeTest I SPT! Test psi I 2200.75 lOA I 120 I 430 I 430 ! 430 ! ! Interval REQVAR PIF P Tubing i 160 I 2680 I 2660 ! 2650 I , ì Notes With a plug set in the tubing below a known leak, this CMIT was performed verifying production casing and packer integrity. S~"l,¡"') - U~rutt~f:C ~} i" Wednesday, November 30,2005 Page 1 of 1 KECEIVED ) STATE OF ALASKA ) AUG 1 8 2005 ALASKA OIL AND GAS CONSERVATION COMMISSIO~laska Oil & G .~ REPORT OF SUNDRY WELL OPERATIONS AII:~;:~:COmmisSiOIl 1. Operations Performed: Abandon 0 Alter Casing D Change Approved Program D Pull Tubing D Operation Shutdown D Perforate New Pool D Perforate D WaiverD Other[&] Cancel Sundry Time Extension D Re-enter Suspended Well D Repair WellD Plug Perforations D Stimulate 0 2. Operator Name: 3. Address: BP Exploration (Alaska), Inc. 4. Current Well Class: Development D ExploratoryD 5. Permit to Drill Number: 194-0670 6. API Number 50-029-22478-00-00 P.O. Box 196612 Anchorage, Ak 99519-6612 7. KB Elevation (ft): StratigraphicD ServiceŒ 9. Well Name and Number: X-20 10. Field/Pool(s): Prudhoe Bay Field / Prudhoe Oil Pool 68.00 8. Property Designation: ADL-047472 11. Present Well Condition Summary: Total Depth measured 12964 feet true vertical 9003.5 feet Effective Depth measured 12717 feet true vertical 9014.6 feet Plugs (measured) Junk (measured) None 10726 Casing Length Size MD TVD Burst Collapse CONDUCTOR 80 20" 91.5# H-40 31 - 111 31.0 - 111.0 1490 470 LINER 1917 4-1/2" 12.6# 13Cr80 10803 - 127208840.0 - 9014.6 8430 7500 PRODUCTION 10925 7-5/8" 29.7# NT-95 27 - 10952 27.0 - 8922.4 8180 5120 SURFACE 10-3/4" 45.5# NT -80 30 - 3566 30.0 - 3148.7 Perforation depth: Measured depth: 11284 -11304,11395 -11400,11400 -11420,11420 -11435, 11488 -11508,12177 -12718, - True vertical depth: 9009 - 9013.38,9013.05 - 9013.56,9013.12 - 9013.94,9013.38 - 9014.62,9013.94 -,9014.33 -, - Tubing ( size, grade, and measured depth): 4-1/2 Inch 12.6 Lb L-80 2-7/8 Inch 6.5 Lb L-80 2-7/8 Inch 6.5 Lb L-80 @ 24 @ 7247 @ 7844 10814 7267 7864 Packers & SSSV (type & measured depth): 4-1/2" TIW Top Packer 4-1/2" Baker ECP Packer 4-1/2" Baker SABL-3 Packer 2-7/8" Eclipse Patch Packer @ 10813 @ 12037 @ 10741 @ 7247 SGAN~~ED AUG 1 ? 2005 12. Stimulation or cement squeeze summary: Intervals treated (measured): Treatment descriptions including volumes used and final pressure: RBDMS BFL AUG ] 9 2005 Oil-Bbl Representative Dailv Averaqe Production or Injection Data Gas-Mef Water-Bbl Casing Pressure Tubing Pressure 13 Prior to well operation: Subsequent to operation: Copies of Logs and Surveys run _ Daily Report of Well Operations _ 15. Well Class after proposed work: ExploratoryD 16. Well Status after proposed work: OilD GasD DevelopmentD Service ŒI 14. Attachments: Contact Sharmaine Vestal / r 2' () ~~~ ~ Phone 564-4424 nD1C\t\\L\l~ . "\ ~ WAG ŒI GINJD WINJDWDSPLD Prepared by Sharmaine Vestal (907) 564-4424. Sundry Number or N/A if C.O. Exempt: 304-218 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. Printed Name Sharmaine Vestal Signature~~ Form 10-404 Revised 4/2004 Title Data Mgmt Engr Date 8/16/05 . I STATE OF ALASKA r'\ RECEIVEQ ~.:.r ALASKA OIL AND GAS CONSERVATION COMMISSION -'UN 4 V~q APPLICATION FOR SUNDRY APPROVAL 07100 .' ~'" 20 MC 25.280 Alaska Oil & Gas Cons. Commission Anchorage PerforateD WaiverO Annular DisposalD StimulateD Time ExtensionO OtherD Re-enter Suspended Well 0 4. Current Well Class: Development 0 Exploratory 0 StratigraphicD Service Œ] /' 9. Well Name and Number: X-20 /' 10. Field/Pool(s): Prudhoe Bay Field / Prudhoe Oil Pool PRESENT WELL CONDITION SUMMARY IEffective Depth MD (ft): Effective Depth TVD (ft): 12717 8946.6 Size MD TVD ~ 1. Type of Request: Abandon 0 Alter Casing 0 Change Approved Program 0 2. Operator Name: Suspend 0 RepairWell 00 Pull Tubing 0 BP Exploration (Alaska), Inc. 3. Address: P.O. Box 196612 Anchorage, Ak 99519-6612 7. KB Elevation (ft): 68.00 KB 8. Property Designation: ADL-0047472 11. Total Depth MD (ft): 12964 Casing Total Depth TVD (ft): 9003.5 Length Conductor 80 Liner 1917 Production 10925 Suñace 3536 Perforation Depth MD (ft): Below IBP 20" 91.5# H-40 4-1/2" 12.6# 13Cr80 7-5/8" 29.7# NT-95 10-3/4" 45.5# NT-80 Perforation Depth TVD (ft): Below IBP Packers and SSSV Type: 2-7/8" Eclipse Patch Packer 2-7/8" Eclipse Patch Packer 2-7/8" Eclipse Patch Packer 2-7/8" Eclipse Patch Packer 4-1/2" Baker ECP Packer 4-1/2" Baker SABL-3 Packer 4-1/2" TIW Liner Top Packer 12. Attachments: Description Summary of Proposal 0 Detailed Operations Program 00 BOP Sketch 0 14. Estimated Date for Commencing Operation: 16. Verbal Approval: Commission Representative: June 17, 2004 Date: Operation Shutdown D Plug Perforations D Perforate New Pool D 5. Permit to Drill Number: 194-0670 /' .- 6. API Number / 50-029-22478-00-00 Plugs (md): None Burst Junk (md): None Collapse top 31 10803 27 30 bottom top bottom 111 31.0 111.0 1490 470 12720 8840.0 9014.6 8430 7500 10952 27.0 8922.4 8180 5120 3566 30.0 3148.7 5210 2480 Tubing Size: Tubing Grade: Tubing MD (ft): 2.875" 6.5 # L-80 7247 7267 2.875" 6.5 # L.80 7844 7864 4.5 " 12.6 # L-80 24 10814 Packers and SSSV MD (ft): 7247 7267 7844 7864 12037 10741 10813 13. Well Class after proposed work: ExploratoryD ...-' Development 0 Service 00 15. Well Status after proposed work: Oil D GasD PluggedD þÞandonedD WAG 0 GINJD WINJŒ WDSPLD Prepared by Garry Catron 564-4657. 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. Printed Name Jennifer Watson Signature r~ LJ.J-2>Õ\.- Contact Jennifer Watson Title Phone Petroleum Engineer 564-5764 6/3/04 Commission Use Only I Sundry Number: ./ 3ok/ - ;;-/ ~ Conditions of approval: Notify Commission so that a representative may witness BOP TestD Mechanciallntegrity Test ~ Location Clearance 0 BY ORDER OF ~ ~: ¿ n n I ~ t ~, ^ I THE COMMISSION Date: ¡l!f ()r ,_8fL JJ" 0 8 1.8í SUBMIT IN DUPLICATE ---- ~ r--.., To: D. Cismoski / J. Smart Well Operations Team Leader Date: June 2, 2004 From: Kevin Yeager Wells Design Engineer Subject: X-20i OA SQueeze Procedure PBXPDWL20-M Est. Cost:.ß20M lOR: Ann Comm Please perform an outer annulus cement squeeze to enable this injection well to be / evaluated for a Sundry/waiver. The procedure includes the following steps: Step Type 1 0 2 0 3 0 Procedure Shoot OA FL. Insure ~shoe 3566'. Cement sqz OA WitV~~IS AS 1 cement. MITOA to 2400 psi 'a-trtr 3 days wac. This well failed a CIT OA 5/03/04. The proposed procedure is designed to place a -5~' of Arctic Set 1 cement in the outer annulus to enable a passing MITOA to 2400 psi. The procedure includes the following major steps: 1. FB Sqz the OA with 25 bbls ArcticSet 1 cement (15.7 ppg). /' 2. FB MITOA to 2400 psi after 3-days waiting on cement. NOTE: the O~ is 10 %" 45.5 # NT-80 If you have any questions or comments regarding this procedure, please call Kevin Yeager 564-4387 (w) or 632-3447 @. cc: w/a: Well File Jennifer Watson WiD: S. Rossberg ~ r'\ POST -SOl: c FB: After 3 days WOC, MITOA to 2400 psi. I i / I 4-1/2"X 6-3/4" GrC(ECP), ID =3.980" H- 12037' I 4-112" LNR, 12.6#, L-80 NSGr, .0152 bpf, ID=3.958" H 12177 TOP OF 4-1/Z' SLTD Lt-R H 12177' ~ TREE = W 8.. LI"EA D = AGrUATOR = KB. ELEV = " BF. ELBI = KOP= Max Angle = DatumMD= DatumTVD= 4" CIN 5M FWC BAKER 68.8' 42.0' 800' 92 @ 11594' 10852' 8800' SS 110-3/4" CSG, 45.5#, NT-80, LI-E-BTC, ID = 9.953" H 3566' Minimum ID = 2,245" @ 7247' 4-1/2" ECLIPSE TBG PATCH BKR BP (04129/04) H 10758' TOP OF RSHNG NECK @ 10751' I 4-1/2"TBG, 12.6#, L-80, .0152bpf, ID =3.958" H 10814' 5-1/2"X4-1/Z'XO,ID=3.91" H 10826' 7-5I8" CSG, 29.7", NT" 95, NSCc. ID = 6.875" H 10952' ÆRFORA TON SUtvfI..1ARY RIT LOG: MWDIGR 06/1 0/94 AI\GLEATTOPPERF: 86 @ 11284' Note: Rafer to Production æ for historical perf data SIZE SPF INT"ERV AL Opn/Sqz DA 1£ 2-3/4" 6 11284-11304 0 02/13198 3-3/8" 6 11395-11435 0 01/15195 2-3/4" 6 11488 -11508 0 02/13198 ~, X-20 .-/ SAFElY NOTES: WELL EXCæDS 60 DEGANGLE @ 10965' & THEN GOES TO HORIZONTAL 4-1/2" CHROME LNR . - 2338' H4-1/2"OTB HXOSSSV NIP, ID =3.813" 1 ~ ~ ST MD 4 3028 3 5779 2 8061 1 10652 GAS LIFT MANæ8..S TVD DEV lYÆ VLV LATCH FORT DA 1£ 2658 37 CAM KBM3 BK 4837 36 CAM KBM3 BK 6684 36 CAM KBM3 BK 8680 52 CAM KBM3 BK L ~ ~ 7247 - 7267 H4-1/2" ECLiPSETBG PATCH,ID =2.245' ~ ~ 7844' - 7864' H4-1/2" ECLiPSETBG PATCH, ID =2.245' 10678' H4-1/2"OTB X NIP, ID= 3.813" I 10741' H7-5I8"X4-1/Z'BKRSABL-3PKR,D=3.875" :8: Z 8i::iI 10802' 10803' 10813' 10814' 10821' 10818' H4-1/2" OTB X NIP, ID= 3.813" I I-fTOPOFTIEBAO< SLV, ID= 6.358" I }- 7-518" 1lW HANGER R<R I J- 4-1/2" WLEG, ID = 3.958"1 l- fr112" X 7-518" TIW HYD Hð.I\GER I H ELMDTTLOG NOT AVAILABLE R¡ ""I, :~ I - ~ B I 12166' ~4-1/2"OTBXNI\IP,D=3.725"1 ~ , , .... .... , "".... '.... '.... ""'.... ~ .... ..../_. """',,4r 12717' 1 I 4-1/2" SLTD LNR, 12.6#, 13-CR-80 NSCT, .0152 bpf,ID= 3.953" H 12720' I DATE REV BY OOWMENT"S 1)6.1£ RBI BY COMM8'J1S 06/22/94 MDO ORIGINAL HORZ COMPLETIOI 04129104 MJI\/KAK SET BKR BP 04/11/01 CHiKAK OORREGrIONS 04/04/02 Tr.t-J/tlh ECLiPSEPATŒI 07/13/02 JCiKAK OORREGrIONS 07/17/02 CAOfTP ECLiPSETBG PATCH 01/23/04 -,W/SRBiK¡},OORREGrIONS FRlDHOE BA Y UI\IT W8..L: X-20FÐ1 PERMIT No: 1940607 API No: 50-029-22478-70 SEC7,T10N,R14E BP Exploration (Alas ka) X-20 (PTD #1940670) Failed MITIA - Eval for TxIA Communication Sllbject:. X~20 (:g'PR!fJ~~QQ{OrFailedMITIA -EvalforJxIA Communication From: ."NSU~. ADW Well. Integrity Engineer" <NSUADWWellIntegrityEngineer@BP.com> Date: Tue,02 Mar 200407:29:16-0900 . To: "Jim_Regg'(E~rnailr'. <jim--regg@admin.state.ak~us:>, -"Winton Aubert (E-màil)" r <winton - aubert@admin.state.ak.l1s>:, "Bob Fleckenstein (E-mail)". . <bob_fleckenstein@admirt.state.ak.us> ....... . . . cc: "N~U,ADW W.~ll Integrity Engineer" <NSUADWWel~tegrityEngineer@BP.com>, "NSU,. . ADW Well Operations Supeivis()r" <NSUADWWellOperàtionsSupervisor@BP~com>~ "Engel, Harry R" <EngelHR.@BP.cöm>, trAndets, Joe L" <anders22@BP.coni> . .:. . .. . Jim, Winton, and Bob, Please see the attached MITIA form for well X-20 (PTD #1940670) which was conducted after possible TxIA communication was noted. We are evaluating leaving the well produced water injection only and submitting a sundry application for TxIA communication. This well will be added to the Monthly Injection Report. Please give me a call if you have any questions. Thank you, Anna Dube Well Integrity Engineer GPB Wells Group Phone: ( 907 ) 659 - 51 02 Pager: (907) 659-5100 xl154 «MIT PBU X-20 02-29-04.xls» Content-Description: MIT PBU X-20 02-29-04.xls PBU X-20 02-29-04.xls Content-Type: application/vnd.ms-excel Content-Encoding: base64 1 of 1 SÇ~\NNED MAR 1 22004 3/12/2004 8:24 AM MEMORANDUM TO: Jim Regg ''Pt:fÛ 51, z,/ D4- P.I. Supervisor \ r t FROM: Jeff Jones Petroleum Inspector API Well Number: 50-029-22478-00-00 Packer Well: X-20 Type Ioj. N TVD P.T. 1940670 TypeTest 8PT Test psi Interval Required by Variance P/F f State of Alaska Alaska Oil and Gas Conservation Commission DATE: Monday, May 10, 2004 SUBJECT: Mechanical Integrity Tests BP EXPLORATION (ALASKA) INC X-20 PRUDHOE BAY UNIT X-20 Src: Inspector NON-CONFIDENTIAL Insp No: mitlJ040506162139 Depth Pretest Initial 8803 IA 400 3020 3000 OA 180 180 P Tubing 180 2800 Notes: CMIT TxIA; known tubing leak. IBP set in tubing, sundry evaluation. Monday, May 10, 2004 Inspection Date: 194-'-'0(, 7 Reviewed By: P.I. Suprv Soc 5/12/04- Comm 5/3/2004 15 Min. 30 Min. 45 Min. 60 Min. 3000 3000 160 160 2800 2790 Page 1 of 1 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION Mechanical Integrity Test Email to:Winton_Aubert@admin.state.ak.us;Bob_Fleckenstein@admin.state.ak.us;Jim_Regg@admin.state.ak.us OPERATOR: FIELD I UNIT I PAD: DATE: OPERATOR REP: AOGCC REP: BP Exploration (Alaska) Inc. Prudhoe Bay / PBU / X Pad 02/29/04 Anna Dube 4 F Well P.T.D. Notes: Well P.T.D. Notes: Well P.T.D. Notes: Well P.T.D. Notes: Test Details: TYPE INJ Codes F = Fresh Water Inj G = Gas Inj S = Salt Water Inj N = Not Injecting TYPE TEST Codes M = Annulus Monitoring P = Standard Pressure Test R = Internal Radioactive Tracer Survey A = Temperature Anomaly Survey D = Differential Temperature Test INTERVAL Codes I = Initial Test 4 = Four Year Cycle V = Required by Variance T = Test during Workover 0 = Other (describe in notes) MIT Report Form Revised: 06/19/02 2004-0229_MIT _PBU_X-20.xls STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION ~OMMISSION APPLICATION FOR SUNDRY APPROVALS 1. Type of request: Abandon_ Suspend .... . ~. Operational shutdown _ Re-enter suspended well _ Alter casing _ Repair well _ Plugging _ Time extension _ Stimulate _ Change approved program _ Pull tubing _ Variance _X Perforate _ 2. Name of Operator BP Exploration (Alaska), Inc. 3. Address P. O. Box 196612 Anchorage, AK 99519-6612 5. Type of Well: DeveloPment __ Exploratory __ Stratig raph ic __ Service__X 4. Location of well at surface 4930' FNL, 5177' FEL, Sec. 05, T10N, R14E, UM At top of productive interval 4964' FNL, 3896' FEL, Sec. 07, T10N, R14E, UM At effective depth 314' FSL, 68' FEL, Sec. 12, T10N, R13E, UM At total depth 5104' FNL, 30" FEL, Sec 12 T10N, R13E, UM (asp's 665977,5940480) (asp's 662094, 5935921) (asp's 660885, 5935055) (asp's 660926, 5934916) 12. Present well condition summary ,. Total depth: measured true vertical Effective depth: measured true vertical Casing Length Conductor 1 10' Surface 3536' I nte rmediate 10925' Liner 1899' Size 20" 1 O-3/4" 7-5/8" 4-1/2" 12964 feet Plugs (measured) 9003 feet 12717 feet Junk (measured) 9015 feet Cemented 55 sx AS 1375 sx PFE, 320 sx Class 'G', 125 PFC 1716 sx MTC & 316 sx Class 'G' 125 sx Class 'G' Other _ 6. Datum elevation (DF or KB feet) RKB 68.0 feet 7. Unit or Property name Prudhoe Bay Unit 9. P~umber / approval number 10. APl number ~-~' 50-029-22478 .~?'~'" 11 Field / Pool · Prudhoe Bay Oil Po,¢',.~ Measured Depth True vertical Depth 140' 140' 3566' 3566' 1O952' 8922' 10821'-12720' 8850'-9015' Perforation depth: measured Open Perfs 11284' - 11304', 11395' - 11435', 11488' - 11508', Slotted Liner 12177' - 12718' true vertical Open Perfs 9009'- 9010', 9013' - 9014'., 9014'- 9014', Slotted Liner 9014'- 9015' Tubing (size, grade, and measured depth Packers & SSSV (type & measured depth) 4-1/2", 12.6#, L-80 PCT @ 10818' MD. 7-5/8" x 4-1/2" BKR SABL-3 Packer @ 10741' MD. 4-1/2" Otis HXO SSSV @ 2338' MD. 13. Attachments Description summary of proposal .._X 14. Estimated date for commencing operation December 10, 2001 16. If proposal was verbally approved Name of approver Date approved Detailed operations program __ 15. Status of well classification as: Oil __ Gas __ Service Prod Water Ini BOP sketch__ 17. I hereby certify that the fo_rego'mg is true and correct to the best of my knowledge· Signed Joe Andel0~~ Title: Well Integrity Engineer FOR COMMISSION USE ONLY Suspended __ Questions? Call Joe Anders 907/659-5102. Date December 10, 2001 Prepared b~/DeWayne R. Schnorr 564-5174 Conditions of approval: Notity Commission so representative may witness Approval n,~o~ Plug integrity __ BOP Test __ Location clearance __ '" Mechanical Integrity Test __ Subsequent form required lO- Approved by order of the Commission Original SlgNea c~ .... ..~ . , _S~(~j~J~Jl~"tl~rrjril~i(ine& ~ Date Form 10-403 Rev 06/15/88 · SUBMIT IN TRIPLICATE X-20 Description Summary of Proposal 12/09/01 Problem: Injector with rapid TxlA communication Well History and Status Well X-20 (PTD 1940670) is an injector that failed an MIT-IA on 08/24/01. The Drill Site Operator reported high IA pressure and an MITIA was conducted to evaluate the pressure source. The MITIA failed and a leak rate of .4 BPM @ 2200 psi was estabished. Recent events: > 08/24/01: MITIA Failed, lAP increased from 1100 to 2400 while inspector on location. > 09/08/01: MITIA Failed, LLR .3 BPM @ 2750 psi. > 11/23/01: SL set TTP in XN nipple. > 11/24/01: CMIT T x IA Passed to 2620 psi. MITT Failed, LLR .4 bpm @ 2200 psi.. > 11/28/01: SL pulled TTP. This sundry request is to allow for continued injection of water. The following supports the request: - A CMIT-TxIA Passed on 11/24/01 to 2620 psi against a tubing plug, demonstrating competent production casing. - Pressures and injection rates will be monitored and recorded daily and checked for indications of a production casing leak. - A CMIT TxlA against a TTP will be conducted every 2 years to confirm production casing integrity. Proposed Action Plan 1. Allow well to continue water-only injection. 2. Perform combination MIT Tubing x IA against a plug every 2 years. 3. Record wellhead pressures and injection rates daily. Submit a monthly report of daily pressures and injection rate. Stop injection and notify the AOGCC if there is any indication of loss of production casing integrity. SCANNED OCT r~ A ~)7 . , 4" CIW5M WELLHEAD= FMC A CTUA TOR= BAKER KB. ELEV = 68.8' BF. ELEV = 42.0' KOP = 800' Max._A_n~le =_ ........ 9_2__(~?_ 1594.___ _.__' Datum MD = 10852' Datum TVDss= 8800' 10-3/4" CSG, 45.5#, NT-80, LHE-BTC, ID = 9.953" Id 3566' X-20 F ' SAFETY NOTES: WELL EXCEEDS 60 DEGANGLE@ 10965' & TFEN GOES TO HORIZONTAL. 2338' H 4-1/2" OTIS HXOSSSV NIP, ID =3.813" J GAS LIFT MANDRELS IMinimum D = 3.725" @ 12166' 4-1/2" OTIS XN NIPPLE 4-1/2" TBG, 12.6#, L-80, .0152bpf, D = 3.958'H 10814' I XO5-1/2"NSCTX4-1/2"NSCT ~-{ 10826' ID = 3.91", TOP OF 4-1/2" LNR PERFORATION SUIVA, IARY REF LOG: MWD/GR 06/10/94 ANGLEATTOP PERF: 86 @ 11284' Note: Refer to Production DB for historical perf data SEE SPF INTERVAL Opn/Sqz DATE 2-3/4' 6 11284' -11304' O 02/13/98 3-3/8' 6 11395' -11435' O 01/15/95 2-3/4' 6 11400' -11420' O 02/13/98 2-3/4' 6 11488' - 11508' O 02/13/98 I 4-1/2"X6-3/4"CTC(ECP),ID=3.980" H 4-1/2" LNP~ 12.6#, L-80 NSCT, .0152 bpf, ID=3.958" H ITOPOF4-1/2" SLOTTED LNR H 10678' H 4-1/2" OTIS 'X' NP, ID= 3.813"I 10741' H7-5/8"x 4-1/2" BKR SABL-3PKR, D=3.875"I 10802' M4-1/2"OTIS 'X' NP, ID=3.813I 10811' H4-1/2'' TIW DTHHORZ LNR HANGERW/TIEBACK 10814' I 10818' H' ELMD I H4-1/2" WLEG, ID = 3.958" 12166' H4-1/2"OT,S 'XN' NIP, ID=3.725"I 12037' 12177' r/ "~.... 12177'I 12717' [ 4-1/2" LNR, 12.6#, 13CR-80 NSCT, .0152 bpf, ID = 3.953" 12720' ] DATE REA/ BY COIVA4ENTS 06/22/94 rvDO ORIGINAL HORIZONTAL COMFLETION 02/23/01 SIS-QAA CONVERTED TO CANVAS 03/02/01 SIS-MD FINAL 04/11/01 CHKAK CORRECTIONS SCANNED 0CT FRUDHOE BAY UNIT WELL: X-20FB1 PERMIT No: 94-0670 APl No: 50-029-22478-70 Sec. 7, T10N, R14E BP Exploration (Alaska) 0 4 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION REPORT ( · SUNDRY WELL OP[? ,ATIONS 1. Operations performed: Operation shutdown Stimulate X Plugging Perforate Pull tubing Alter casing Repair well Other 2. Name of Operator 5. Type of Well: 6. Datum elevation (DF or KB) BP Exl21oration (Alaska) Inc. Development KBE = 68 feet Exploratory 3. Address Stratigraphic 7. Unit or Property name P. O. Box 196612, Anchoracle, Alaska 99519-6612 Service x Prudhoe Bay Unit 4. Location of well at surface 8. Well number 349' NSL, 103' WEL, SEC. 5, TION, R14E X-20(44-12-10-13) At top of productive interval 9. Permit number/approval number 1155' NSL, 3896' WEL, SEC. 7, TION, R14E 94-67 / At effective depth 10. APl number 4964' NSL, 5210' WEL, SEC. 12, TION, R13E 50- 029-22478 At total depth 11. Field/Pool 176' NSL, 30' WEL, SEC. 12, TION, R13E Prudhoe Oil Pool 12. Present well condition summary Total depth: measured 12964 feet Plugs (measured) true vertical 9003 feet Effective depth: measured 12717 feet Junk (measured) true vertical 9015 feet Casing Length Size Cemented Measured depth True vedical depth Structural -- BKB Conductor 110 30 260 sx Arcticset 130 130 Surface 3498 10 3/4 1150 sx CSIII350 sx "G" 3566 3149 Intermediate 10884 7 5/8 265 sx Class "G' 10952 8922 Production Liner 1899 4 1/2 320 sx Class "G" 10821-12720 8851-9015 Perforation depth: measured 12177'- 12718'{None-SlottedLiner} true verticalsubsea Tubing (size, grade, and measured depth) 41/2" L-80@10814' Packers and SSSV (type and measured depth) Packerset @10741' and SSSV@2338' Ff--F 09 .000 13. Stimulation or cement squeeze summary See Attachment Alas~ Oil & Gas Cons. commission Intervals treated (measured) 0RJGIHAI... Anchor~tge Treatment description including volumes used and final pressur6 14. Representative Daily Average Production or Iniection Data OiI-Bbl Gas-Mci Water-Bbl Casing Pressure Tubing Pressure Prior to well operation Subsequent to operation 15. Attachments 16. Status of well classification as: Copies of Logs and Surveys run Daily Report of Well Operati~r]s Oil Gas Suspended Service Waterand Gas Injector 17. I hereby certifv,,that the foregoing is true and,~orrect to the best ~- /,~ ~. ~' of my knowledge. ,/~., ._, ,~),,, ~~--"/~'~4~yX~ ~//'¢¢~.~_~¢- Title TechnicalAssistantlV Date//" Signed' Form 10-404 Re~ 06/15/88 SUBMIT IN DUPLICAT.~ X-20 DESCRIPTION OF WORK COMPLETED Stimulation Operation 05/25/99 A Stimulation Treatment was performed using the following fluids: SUMMARY On location Inj P = 2400 lAP = 410 OAP = 150 pressure test hardline to 3500 PSI. Good Test. Hold safety meeting. Begin pumping fluids down tubing, pump 252 Bbls of total dispersant at 3 BPM. Shut down pumping let soak. Pressure test hardline to 3500 PSI. Good test. Begin pumping filtered PW down tubing for flush. Pump 260 Bbls water. Rig down. SIWHP = 400 lAP -- 600 OAP = 160. Pumped a total of 42 Bbls of Schmoo mixed with 210 Bbls Hot water for treatment. Pumped a total of 260 Bbls of filtered PW for flush. Well will be converted from MI to PWI late tonight. Fluids Pumped BBLS. Description 42 Schmoo be Gone 210 Hot Water 260 Filtered PW 512 Total Pumped X-20 DESCRIPTION OF WORK COMPLETED Stimulation Operation 1~0W99 A Stimulation Treatment was performed using the following fluids: SUMMARY Pumped 186 Bbl Schmoo Be Gone down TBG allow Dispersant to soark for 3 hrs., pump additional tubing Vol of Sea Water to displace Dispersant toformation. Allow treatment to soak 3 hrs. Well will be put back on Water injection by Pad Op. After the second 3 hr soak period. Fluids Pumped BBLS. Description 186 Schmoo Be Gone 200 Sea Water 386 Total Pumped STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSIC'~L - ' -"REPORT SUNDRY WELL OPE , ATIONS 1. Operations performed: Operation shutdown Stimulate Plugging Perforatex Pull tubing. Alter casing Repair well __ Other 2. Name of Operator 5. Type of Well: 6. Datum elevation (DF or KB) BP Exploration (Alaska) Inc. Development KBE = 68 feet Exploratory 3. Address Stratigraphic 7. Unit or Property name P. 0. Box 196612, Anchora.cle, Alaska 99519-6612 Servicex Prudhoe Bay Unit 4. Location of well at surface 8. Well number 349' NSL. 103' WEL, SEC. 5, TION, R14E X-20(44-12-10-13) At top of productive interval 9. Permit number/approval number 1155'NSL, 3896' WEL, SEC. 7. TION, R14E 94-67 / At effective depth 10. APl number 4964' NSL, 5210' WEL. SEC. 12, TION, R13E 50.029-22478 At total depth 11. Field/Pool 176' NSL, 30' WEL, SEC. 12, TION, R13E Prudhoe Oil Pool 12. Present well condition summary Total depth: measured 12964 feet Plugs (measured) true vertical 9003 feet Effective depth: measured 12717 feet Junk (measured) true vertical 9015 feet Casing Length Size Cemented Measured depth True vertical depth Structural -- BKB Conductor 110 30 260 sx Arcticset 130 130 Surface 3498 10 3/4 1150 sx CSIII350 sx "G" 3566 3149 Intermediate 10884 7 5/8 265 sx Class "G" 10952 8922 Production -- Liner 1899 4 1/2 320 sx Class "G" 10821-12720 8851-9015 Perforation depth: measured 12177' - 12718' {None-Slotted Liner} true vertica~ubsea R E C E IV E D Tubing (size, grade, and measured depth)4 1/2" L-80@ 10814' JUL 2 0 1998 Packers and SSSV (type and measured depth)Packerset @ 10741'and SSSV@2338' Alaska 0JJ & GaS C0ns, C0rrll'lli8~ior~ ~n~,hnrng~ 13. Stimulation or cement squeeze summar~ee Attachment Intervals treated (measured) Treatment description including volumes used and final pressure 14. Representative Daily Average Production or Injection Data OiI-Bbl Gas-Mcr Water-Bbl Casing Pressure Tubing Pressure Prior to well operation Subsequent to operation 15. Attachments 16. Status of well classification as: Copies of Logs and Surveys run Daily Report._o. ffell Operati.~__ Oil Gas Suspended Service W_*ter_*..l~_*~ 17. I hereby~ cert. i~ that t/~ forC36ing is trup..aj~ cprrect to the best of my knowledge, Signed /~'~/~.~'//~-/J_ j~Z~'~''~''''''~ Title TechnicalAssistantlll Date 7~f,'/',~ Form 10-404 F ;v 06/15/88 SUBMIT IN X-20 DESCRIPTION OF WORK COMPLETED ADDPERF 02/13/98 SUMMARY The following additional interval were perforated using 2 3/4" guns, 6 SPF, random orientation and 60° phasing. 11488'-11508' MD 11284'-11304' MD 02/13/98 REPERF SUMMARY The following interval were reperforated using 2 3/4" guns, 6 SPF, random orientation and 60° phasing. 11400'-11420' MD STATE OF ALASKA ALASI~','~'-~.IL AND GAS CONSERVATION COMMiSSIC''''~, REPORT 'SUNDRY WELL OPE ,;ATIONS 1. Operations performed: Operation shutdown Stimulate__ Plugging Perforate Pull tubing Alter casing Repair well Other X C o n v e r'l: e d t o H A G 2. Name of Operator 5. Type of Well: 6. Datum elevation (DF or KB) BP Exploration (Alaska) Inc, Development KB£ = 68 feet Exploratory 3. Address Stratigraphic 7. Unit or Property name P. O. Box 196612. Anchoracle, Alaska 99519-6612 Service X Prudhoe Bay Unit 4. Location of well at surface 8. Well number 349' NSL, 103' WEL. SEC. 5. TION, R14E X-20(44-12-10-13) At top of productive interval 9. Permit numbedapproval number 1155' NSL, 3896' WEL, SEC. 7, TION, R14E 94-67 / At effective depth 10. APl number 4964' NSL, 5210' WEL, SEC. 12, TION, R13E 50- 029-22478 At total depth 11. Field/Pool 176' NSL, 30' WEL, SEC. 12, TION, R13E Prudhoe Oil Pool 12. Present well condition summary Total depth: measured 12964 feet Plugs (measured) true vertical 9003 feet ORIGINAL Effective depth: measured 12717 feet Junk (measured) true vedical 9015 feet Casing Length Size Cemented Measured depth True vertical depth Structural -- BKB Conductor 110 30 260 sx Arcticset 130 130 Surface 3498 10 3/4 1150 sx CSIII350 sx 'G" 3566 3149 Intermediate 10884 7 5/8 265 sx Class "G' 10952 8922 Production -- Liner 1899 4 1/2 320 sx Class "G' 10821-12720 8851-9015 Perforation depth: measured 12177'- 12718'{None-SlottedLiner} true vertical subsea A, R 25 1997 Tubing (size, grade, and measured depth) 4 1/2" L-80@ 10814' A/a~ ~j( & Gas ~ons, .(;;_Qi]~t~SI~ ' Packers and SSSV (type and measured depth) Packer set @ 10741'and SSSV@2338' ~C~_ ~ '- 13. Stimulation or cement squeeze summary Converted to WAG on 3/9/97 J Intervals treated (measured) Treatment description including volumes used and final pressure 14. Representative Daily Average Production or Injection Data Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure Prior to well operation Subsequent to operation 15. Attachments 16. Status of well classification as: Copies of Logs and Surveys run Daily Report of Well Operations Oil Gas Suspended Service WAG 17. I hereby~.4r~that the for/f~ping is true and correct to the best of my knowledge. Signed k'~jL~,/' ~_,,~~ ~- Title Sul2ervisor Waterflood/Miscible Flood Da Form 10-404 Rev, SUBMIT iN DUPLICATE PERMIT 94~067 9h-,~067 9~067 9~'~067 9~-~067 9h-067 .,eologi'cal Hater'S'als Znvenzor'y DATA T DATA_PL U9 ~,/GR/SP ~ T Vt:, ~CA/GR ~h. 9 ~/~/'CCL Are dr~ d'i~ch ~mpie~ requ~'r'ed? ~e~ ~Aad r'oce'~vod? Was the well cor'ed? yes ~nalys'i:s & descr'i:pt~-~ r'ecei'ved? Ar'e well tests r'equ'fred?l jyes ~ece'fved? ~s i',o ~'~ Well I n~1 COHHENTS L 9500-11383 (2) t 10900~'11355 (2) k 10900-11355 (2) T 9500-'11383~ OFI~'DIFL/AC/GR L 9352-10800 L 2500-11000 Page: 'i Date: O~/10/PS RUN DATE_.RECVD 06/08/9~ 06/08/9h. 06/08/9~ 06/21/9h 07/25/'9~ 01/27/95 yes no lqJ.k1 ] qJ~ Iv~ STATE OF ALASKA : A~-ASKA OIL AND GAS CONSERVATION COMMISSION REPORT OF SUNDRY WELL OPERATIONS 1. Operations performed: Operation shutdown Stimulate Pull tubing Alter casing Repair well Other 2. Name of Operator 5. Type of Well: 6. Datum elevation (DF or KB) BP Exploration (Alaska) Inc. Development X KBE = 68 feet Exploratory 3. Address Stratigraphic 7. Unit or Property name P. 0. Box 196612, Anchorage, Alaska 99519-6612 Service Prudhoe Bay Unit 4. Location of well at surface 8. Well number 349' NSL, 103' WEL, SEC. 5, TlON, R14E O R J G l t~J A L X-20(44-12-10-13) At top of productive interval 9. Permit number/approval number 1155' NSL, 3896' WEL, SEC. 7, TION, R14E 94-67 / At effective depth 10. APl number 4964' NSL, 5210' WEL, SEC. 12, TION, R13E 50- 029-22478 At total depth 11. Field/Pool 176' NSL, 30' WEL, SEC. 12, TION, R13E Prudhoe Oil Pool 12. Present well condition summary Total depth: measured 12964 feet Plugs (measured) true vertical 9003 feet Effective depth: measured 12717 feet Junk (measured) true vertical 9015 feet Casing Length Size Cemented Measured depth True vertical depth Structural -- BKB Conductor 110 30 260 sx Arcticset 130 130 Surface 3498 103/4 1150 sx CSIII350 sx "G" 3566 3149 Intermediate 10884 75/8 265 sx Class "G" 10952 8922 Production -- Liner 1899 4 1/2 320 sx Class "G" 10821-12720 8851-9015 Perforation depth: measured 12177' - 12718' {None-Slotted Liner } true vertical subsea Tubing (size, grade, and measured depth) 4 1/2" L-80@ 10814' Packers and SSSV (type and measured depth) Packerset @10741'and SSSV@2338' R E £ E IV E D 13. Stimulation or cement squeeze summary See Attachment MAR 1 9 1996 Intervals treated (measured) Alagka 011 & 9a~ Cons. Commission Treatment description including volumes used and final pressure Anohorage 14, Representative Daily Averacm Production or Injection Data OiI-Bbl Gas-Mcr Water-Bbl Casing Pressure Tubing Pressure Prior to well operation 1125 684 83 3030 243 Subsequent to operation 629 651 47 2920 264 15. Attachments 16. Status of well classification as: Copies of Logs and Surveys run Daily Report of Well Op~ations Oil X Gas Suspended Service 17. I hereby certify that the/lq're, going i?true {l~d~correct to the best of my knowledge. I ned S'g "~/F~,-Z .,( // /_/J/~.~j//'~..~ ,..,_.2 Title TechnicalAssistant Ill Date ?/[~'//~/~ Form 10-404 Rev 08/15/88 SUBMIT IN WELL X-20 (44-12-10-13) _ Addperf 1/12/95 The following additional interval were perforated using3 3/8" guns, 6 SPF, random orientation and 60° phasing. 11602'-11625' MD 6/28/95 Stimulation Operation A Bullhead HCL Acid Wash Treatment was performed using the following fluids: _ SUMMARY PUMPED THE BULL HEAD ACID TREATMENT AND HCL STIMULATION AS PER PROGRAM WITH THE FOLLOWING EXCEPTIONS. FOR THE TUBING WASH PUMPED 165 BBL SEAWATER SPEAR AS A BUFFER TO PREVENT ACID CONTACT WITH PERFS. DISPLACED ACID WITH DIESEL AS AN EFFORT TO PREVENT PUSHING SPENT TUBING ACID TO THE PERFSTOOK FLOWBACK SAMPLES AS PER PROGRAM. SEE FLUIDS PUMPED SUMMARY BELOW. BBLS. 165 40 133 120 188 FLUIDS PUMPED DESCRIPTION Seawater spear. 15% HCI/10% Xylene "chrome" Diesel Displacement 5% HC1 "chrome" with Iron sequestering agents. Seawater displacement LARRY GRANT Attn. ALASKA OIL + GAS CONSERVATION 3001 PORCUPINE DRIVE ANCHORAGE AK, 99501. AJaska Oil & Qas Cons. Comm;ssJon ,~chorage Date~ [8 3anuary 1995 RE~ Transmittal of Data Sent by~ MAIL Dear Sir/Madam, Enclosed, pleaee find the data ae described belows WELL E-18 R-11 DESCRIPTION PLS FINAL BL+RF PLS FINAL BL + RF PLS FINAL BL+RF PLS FINAL BL + RF PLS FINAL BL+RF ECC No. Run # 1 1468.03 Run # 1 4589.01 Run # 1 4915.03 Run # 1 5089.05 Run # 1 6229.O1 Please sign and return to: Attn. Rodney D. Paulson Atlas Wireline Services 5600 B Street Suite 201 Anchorage, AK 99518 Or FAX to (907) 563-7803 Received by: Date: 4710 Business Park Blvd., Ste. 14 Anchorage, AK 99503-7100 907-5614951 Fax: 907-561-1358 State of Alaska Alaska Oil & Gas Conservation Comm. 3001 Porcupine Drive Anchorage, Alaska 99501 Attn: Larry Grant Well Reference Data: Well No: X-20 Field: Prudhoe Bay Unit County:North Slope Borough State:Alaska RECEIVED Date: July 27, 1994 API No: 500292247800 BHI Job ~:1355 Enclosed is the following data as listed below: 2" + 5" Measured Depth Logs Log Type Bluelines Folded Sepias Rolled Sepias Mylar Film Navigamma I 1 0 0 2" + 5" Subsea True Vertical Depth Logs Log T!rpe Bluelines Folded Sepias Rolled Sepias Mylar Film Navigarama 1 1 0 0 I LIS Verification Listing Upon Receipt, Please sign and fax to: Baker Hughes INTEQ Fax#: 561-1358 Attn: Raquel Rodriguez Date: STATE OF ALASKA : i ALASKA OIL AND GAS CONSERVATION CO~?]MlSSlON WELL COMPLETION OR RECOMP LETION REPORT AND LOG 1. Slatus of Well Classification of Service Well OIL [] GAS D SUSPENDED [] ABANDONED [] SERVICE I-I 2. Name of Operator 7. Permit Number BPExpl°rati°n P R i I /\i L 3. Address ~ . 8. APl Number P. 0. Box 196612, Anchorage, Alaska 99519-661 50. 029-22478 4. Location of well at surface 9, Unit or Lease Name 349'NSL, 103' EWL, SEC. 5, TION, R14E~'~'~"~*-~COM~I. ETiON '[ 'I ,,~.,;T Prudhoe Bay Unit I~1¢"'~']'~''~'~ 10. Well Number At Top Producing InterVaIsEc. TION, R14E !J r--~;~P--'~J"¢~'¢'~-- DATE . ' ' '~FtED ; X-20 (44-12-10-13) 1155'NSL, 3896' WEL, 7, ffz~ 11. Field and Pool At Total Depth [~--~ .... i J~..: ~' ~'~t"'"~'u~"~ ' !%;...~ Prudhoe Bay Fie/d/Prudhoe Bay Pool 176'NSL, 30' WEL, SEC. 12, TION, R13E ~-¢~,.,~ ..... .~ 5. Elevation in feet (indicate KB, DF, etc.) 6. Lease Designation and Serial No. KBE = 68' ADL 47472 12.5/1 Date 3/94 Spudded 13. 6/I Date 0/94 T.D. Reached 14. 6/23/94 Date Comp., Susp. or Aband. 15. Water Deplh, Nlm il feet offshore MSL 16. One No. of Completions 17. Total Depth (MD+TVD) 18. Plug Back Deplh (MD+TVD 19. Direclional Survey 20. Depth where SSSV set 21. Thickness of Permafrosl 12964'MD/9003' TVD 12717'MD/9015' TVD YES [] NO [] 2338'feet MD 1900'(Approx.) 22. Type Electric or Other Logs Run GR/MWD 23. CASING, LINER AND CEMENTING RECORD SETrlNG DEPTH MD CASING SIZE vv'r. PER FT. GRADE TOP BOTTOM HOLE SIZE CEMENTING RECORD AMOUNT PULLED 20" 91.5# H-40 30' 110' 30" 260 sx Arct/cset (Approx.) 10-3/4" 45.5# NT-80 30' 3566' 13-1/2" 1150 sx CS 111/350 sx 'G" 7-5/8" 29.7# NT95HS 27' 10952' 9-7/8" 265sx Class "G" 4-1/2" 12.6# L-80/13CR 10821' 12720' 6-3/4" 320 sx Class "G" 24. Perforations open lo Produclion (MD+TVD of Top and Bottom and 25. TUBING RECORD interval, size and number) SIZE DEPTHSET(MD) PACKERSET(MD) None - Slotted Liner 4-1/2", L-80 10814' 10741' 12177'-12718'MD _26. ACID, FRACTURE, CEMENT SQUEEZE, ETC. DEPTH INTERVAL (MD} AMOUNT & KIND OF MATERIAL USED Freeze protected annulus El90 bbls dry crude 27. PRODUCTION TEST Date First Production Melhod of Operation (Flowing, gas lift, etc.) 7/1/94 Gas Lift Date of Test Hours Tested TEsTPRODUCTIONpERIOD FOR OIL-BBL GAS-MCF WATER-BBL CHOKE SIZE GAS-OIL RATIO Flow Tubing Casing Pressure CALCULATED OIL-BBL GAS-MCF WATER-BBL OIL GRAVITY-APl (corr) Press. 24-HOUR RATE 28. CORE DATA Brief description of lithology, porosity, fraclures, apparent dips, and presence of oil, gas or waler. Submit core chips. RECEIVED JUL 1 9 1994 AlaSka 0il & Gas Cons. Cernmiss Anchorago Form 10-407 Submit in duplicate Rev. 7-1-80 CONTINUED ON REVERSE SIDE .. 30. GEOLOGIC MARKERS fORMATION TESTS NAME Include interval lested, pressure dafa, all fluids recovered and gravily, MEAS. DEPTH TRUE VERT. DEPTH GOR, and time of each phase. Sag River 10924' 8908' Shublik 10954' 8924' Top Sadlerochit 11243' 9006' 31. LIST OF ATTACHMENTS 32. I hereby certify that the foregoing is true and correcl to the best of my knowledge ~ q1~51¢i~ Signed ~,~//~¢f,,'..~ TilleDri#inoEnoin~erSuoe[vi$or Dale 7-'~'f INSTRUCTIONS General: This form is designed for submitting a complete and correct well completion report and log on all types of lands and leases in Alaska. Item 1: Classification of Service Wells: Gas injection, water injection, steam injection, air injection, salt water disposal, water supply for injection, observation, injection for in-situ combustion. Item 5: Indicate which elevation is used as reference (where not otherwise shown) for depth measurements given in other spaces on this form and in any attachments. Item 16 and 24: If this well is completed for separate production from more than one interval (multiple completion), so state in item 16, and in item 24 show the producing intervals for only the interval reported in item 27. @ubmit a separate form for each additional interval to be separately produced, showing the data pertinent to such interval. Item 21: Indicate whether from ground level (GL) or other elevation (DF, KB, etc.). Item 23: Attached supplemental records for this well should show the details of any multiple stage cement- lng and the location of the cementing tool. Item 27: Method of Operation: Flowing, Gas Lift, Rod Pump, Hydraulic Pump, Submersible, Water In- jection, Gas Injection, Shut-in, Other-explain. Item 28: If no cores taken, indicate "none". R E C E IV Fl. D Form 10-407 JdL 9 ' 994 ~l~ska u~ & Gas Cons. Commissio~ Anchorage BP/AAI S~ARED SERVICE DAILY OPERATIONS PAGE: 1 WELL: X-20I BOROUGH: NORTH SLOPE UNIT: PRUDHOE BAY FIELD: PRUDHOE BAY LEASE: API: 50- PERMIT: APPROVAL: ACCEPT: SPUD: RELEASE: OPERATION: DRLG RIG: WO/C RIG: 05/11/94 09:00 05/13/94 06:00 NABORS 18E NABORS 18E 05/12/94 TD: 0' 05/13/94 TD: 1315' 05/14/94 TD: 2520' 05/15/94 TD: 3580' 1) o) 2) 1315) 3) 1205) 4) 1060) P/U BHA-MWD MW: 8.3 VIS: 28 MOVE PIPE SHEDS, BOILERS, MOTORS, PITS, SUB F/ X-31. MOVE WHEELS INSTALL FROG AND PIN WHEELS. MOVE SUB AROUND PIT. REMOVE FROG. SPOT NATURAL GAS MODULE, SPOT/LEVEL SUB COMPLEXES. BERM COMPLEXES AND SUB W/ PIT LINER, TRIM EXCESS, FIX WALKWAYS IN TRAFFIC AREAS. MIX SPUD MUD. ACCEPT RIG @2100 05/11/94. MIPPLE UP FLOW LINE AND DRILLING NIPPLE. INSTALL MOUSE HOLE, MIX SPUD MUD. MIX SPUD MUD, STRAP BHA, PERFORM PRE-SPUD CHECKLIST. P/U BHA, CHANGE HOUSING ANDLE-MOTOR, XO STAB SLEEVE, FUNCTION TEST DIVERTER, P/U MW I). DRILLING MW: 8.8 VIS:288 SPUD WELL @6:00 HRS. DRIL 13.5 HOLE T/169. ORIENT MWD W/MOTOR. REPAIR GEARBOX ON AUGER UNDER SHAKERS. DRILL T/176. CHANGE SWAB/LINER ON #1 PUMP, #3 CYLINDER. DRILL T/488. REPAIR TRACTION MOTOR BLOWER F/#1 PUMP. DRILL T/l105. BEGIN BUILD @ 450. SHORT TRIP TO DC'S. OK. DRILL T/1315. DRILLING 13.5" SURFACE MW: 9.2 VIS:310 XO SWAB/LINER #1 PUMP, #1 PUMP, #2 PUMP, #1 CYL. DRILLING F/ 1315-1754'. XO SWAB/LINER #1 PUMP, #2 CYL. DRILLING F/ 1754-1938'. DROP SURVEY, POH BREAK BIT. XO BHA STAB SLEEVES. SWITCH MODES ON MWD TO OBTAIN MAG QUALITY DATA. ORIENT MOTOR, AND TO MWD. SURFACE TEST. RIH TO 1822'. REAM F/ 1822-1938'. DRILLING F/ 1938-2520'. RUN 10 3/4" SURFACE CSG MW: 9.4 VIS:120 DRILLING F/ 2520-2859'. SHORT TRIP 10 STDS. HOLE TIGHT F/ 2140-1950'. PUMPED OUT 2 SINGLES. DRILLING F/ 2859-3538'. WAIT ON GUZZLERS. CUTTINGS HANDLING SYSTEM FULL. DRILLING F/ 3538-3580'. CBU. SHORT TRIP TO HWDP, SLM. WORK TIGHT HOLE ON RIH 2139-2817'. CBU, BLOW DOWN KELLY. POH F/ SURFACE CSG. L/D BHA. R/U CSG EQUIPP, RUN 10 3/4" 45.5% NT80LH BUTT CASG. 15 CENT ON 1ST 15 JTS. TL BTM 3 JTS. RECEIVED JUL 1 9 1994 AJaska Oil & Gas Cons. Commission Anchorag~ WELL .: X-20I OPERATION: RIG : NABORS 18E PAGE: 05/16/94 ( 5) TD: 3640' ( 60) 05/17/94 ( 6) TD: 5920'(2280) 05/18/94 ( 7) TD: 7430'(1510) 05/19/94 ( 8) TD: 7719'( 289) 05/20/94 ( 9) TD: 8660'( 941) 05/21/94 (10) TD: 9767' (1107) DRILLING 9 7/8" HOLE MW: 9.1 VIS: 36 RUN SURFACE CSG. TOTAL 87 JTS 10 3/4" 45.5# NT80 HSE BUTT, LAND AT 3566'. R/U CIRC SWEDGS, CIRC/WORK PIPE FREE. TEST LINES.. CMT W/ BJ. R/U BJ F/ TOP JOB, CMT. BACK OUT LD JT. L/D SAME. N/D DIVERTER, 20" RISER. N/U BOPE, SSH ASSY, FLOWLINE. CLEAR FLOOR/WORKSPACE. TEST BOPE. P/U BHA, ORIENT MOTOR/MWD, TEST AT SURFACE, RIH. CUT/SLIP DRLG LINE 105'. RIH, TAG CMT @3456'. DRILLING CMT T/ 3484', TAG F/V, CIRC. TEST CSG. DRILL CMT AND FLOAT EQUIPMENT~ 10' NEW HOLE T/ 3590'. CBU, PERFORM LOT, GRAPH SAME. DRILLING 9 6/8" HOLE F/ 3590-3640'. DRILLING MW: 9.4 VIS: 50 DRILLING F/ 3640-4237'. WAIT ON SUPERSUCKER AND CHANGE SCREENS ON SHAKER. DRILLING F/ 4237-4288'. HEAVY CLAYS. WAIT ON SUPERSUCKER. DRILLING F/ 4288-4538'. SHORT TRIP T/ SHOE. HOLE TIGHT @4335'. WASH/REAM F/ 4335-4538'. DRILLING F/ 4538-5550'. SHORT TRIP 10 STDS. TIGHT F/ 4800-5300'. DRILLING F/ 5550-5920'. DRILLING MW: 9.4 VIS: 53 DRILLING F/ 5920-6082'. CBU. DROP SURVEY, PUMP PILL, BLOW DOWN KELLY. POH F/ BIT #4. RETRIEVE SURVEY, XO BIT. SURFACE CHECK M WD, RIHH FILL PIPE AT SHOE, RIH T/ 6060'. WASH T/ 6082'. DRILLING F/ 6082-7069'. SHORT TRIP 10 STDS. NO PROBLEMS. DRILLING F/ 7069-7430'. LD FISHING TOOLS MW: 9.5 VIS: 80 DRLG F/ 7069-7645'. CHANGE PONY ROD IN #1 PUMP. DRLG F/ 7645-7719'. PENETRATION RATE 12 - 18' AN HOUR - MOTOR STALLING. SLUG DP. POH. LOST ONE COMPLETE CONE OFF BIT. SERVICE WEAR RING. PU 9 7/8" OD X 7" GLOBE BASKET W/ REVERSE CIRC SUB AND RIH TO 7704'. BREAK CIRC AND WASH TO BTM. DROPPED BALL - WORKED GLOBE BASKET. CUT 2~ HOLE. POH - CHAIN OUT. RECOVERED CONE. LD FISHING TOOLS. DRILLING MW: 9.6 VIS: 60 LD FISHING TOOLS. SERVICE WEAR RING. PU MOTOR, BHA, ORIENT AND SURFACE TEST. RIH, FILL DP AT SHOE, CHECK SHOT @6000'. BREAK CIRC - WASHED TO BTM NO FILL. DRILLING F/ 7719-8660'. TRIP FOR BIT MW: 9.7 VIS: 60 DRLG F/ 8660-8728'. MADE 11 STD SHORT TRIP TO 7685'. HOLE IN GOOD SHAPE. DRLG F/ 8728-9767'. CIRC, DROP SURVEY, PUMP DRY JOB. POH FOR BIT. SLM. HOLE TIGHT F/ 9450-8800' RECEIVED JUL 1 9 1994 Alaska Oil & Gas Cons. Co.~mission Anchorage WELL .: X-20I OPERATION: RIG : NABORS 18E PAGE: 3 05/22/94 (11) TD:10325' ( 558) 05/23/94 (12) TD:10960' ( 635) 05/24/94 13) TD:10960' 0) 05/25/94 14) TD:10960' 0) DRILLING MW:10.1 VIS: 54 POH LD NM DC. CHANGE BIT, AND ORIENT MWD/MOTOR. SERVICE WEAR BUSHING. RIH - CHECK MWD @300 AND 6000'. DRLG F/ 9767-9833'. WAIT ON SUPER SUCKER. DRLG F/ 9833-9865'. MWD FAILURE. ATTEMPT TO START MWD. MIX AND PUMP SLUG. POH - CHANGE OUT MWD, ORIENT MWD/MOTOR, SURFACE CHECK AND RIH TO SHOE - FILL PIPE. CUT DRLG LINE. RIH - MWD CHECK SHOT @5902'. RIH TO 9790' - HIT BRIDGE. WASH AND REAM F/ 9790 TO BTM @9865'. DRLG F/ 9865-10325'. SHORT TRIP MW:10.2 VIS: 50 DRLG F/ 10325-10779'. MADE 10 STD SHORT TRIP. NO PROBLEM. DRLG F/ 10779-10960' TD'D IN SHUBLIK SAG R. 810925'. CIRC FOR SAMPLES. SHORT TRIP 15 STDS. PREP TO CMT 7 5/8" CSG MW:10.3 VIS: 65 MADE 18 STD SHORT TRIP TO 9235'. TIGHT F/ 9700-9300'. RIH GOOD. CIRC AND COND MUD AND HOLE. PUMP LO-HI VIS SWEEP AROUND. SLUG DP. POH, L/D 5" DP, BREAK KELLY, AND LD BHA. PULLED WEAR BUSHING SET TEST PLUG. CHANGED LOWER RAMS TO 7 5/8", TEST DOOR SEALS. RU CASERS. RAN 264 JTS 7 5/8" 29.79 NT95 NSCC CSG. CIRC @ 10 3/4" SHOE AND @7500'. MAKE UP HANGER LANDING JT, AND CMT HEAD. CIRC AND COND MUD AND HOLE W/ CSG ON BTM @10952'. PUMPING 30 SPM - 625 PSI. HOLE TIGHT AND PACKING OFF. PUMPING 120 SPM AND NO MUD LOSS. TEST 7 5/8" CSG MW: 9.6 VIS: 58 TEST LINES. SET AND CMT'D 7 5/8" CSG W/ SHOE @10952' AND FC @10866'. BJ CMT'D PUMPING 20 BBLS WATER AHEAD. LD LANDING JT AND CLEARED OFF FLOOR. INSTALLED 7 5/8" PACKOFF AND TESTED. INSTALLED 3 1/2" RAMS IN TOP AND BTM. INSTALLED TEST PLUG. TESTED BOPS, CHOKE MANIFOLD, KILL LINE AND CHOKE LINE VALVES, FLOOR VALVES TO 250 LO AND 5000 HI. TEST HYDRILL, VOLUME TEST. CHANGE OUT KELLY. TEST UPPER AND LOWER KELLY COCKS. PULLED TEST PLUG AND SET WEAR RING. STRAP AND PU BHA, ORIENT TOOLS, SURFACE CHECK, PU 3 1/2" DP. TEST MWD @3160' PLUGGED, POH WET. MWD PLUGGED W/ METAL SHAVINGS FROM DP. CHANGE OUT MWD PROBE. RE-ORIENT SURFACE CHECK AND RIH TO 4540'' CHECK MWD. RIH PU 3 1/2" DP - RABBIT AND WASH OUT EVERY JT. TAGGED UP @10735'. CIRC FOR CSG TEST. TEST 7 5/8" CSG. RECEIVED JUL ] 9 994 AlaSka Oil & Gas Cons. Commission Anchorage WELL .: x-20I OPERATION: RIG : NABORS 18E PAGE: 05/26/94 (15) TD:llll0' ( 150) 05/27/94 (16) TD:11385' ( 275) 05/28/94 (17) TD:11385' ( 0) 05/29/94 (18) TD:lll40' ( 0) 05/30/94 (19) TD:l1231' ( 91) DRILLING 6 3/4" PILOT MW: 9.0 VIS: 41 TEST CASING. DRILLING CMT F/ 10735-10960'. TAG FC @10867' SHOE @10952'. DRILLING F/ 10960-11051'. DRILLING BREAK @11005'. STARTED LOSING MUD @ 60 BBL/HR. ACTED LIKE FRACTURES. CIRC/RECIPROCATE SPOTTING LCM PILL @ 3 BPM. REGAIN RETURNS. ATTEMPTS TO RESTART MWD FAILED. CLEAR PIPE, BLOW DOWN KELLY. FINE LCM USED IN PILL. SEVERAL TIMES HAD TO SHUT DOWN DUE TO DP SCREENS NEEDING CLEANED. POH T/ 10450'. BREAK CIRC/DRY JOB. GOT PULSE ON TOOL. TAKE SURVEY. RIH T/ 11051'. ATTEMPT TO SURVEY W/ NO SUCCESS. TOOL PLUGGED W/ LCM. POH. L/D MWD PROBE AND PROBE SUB, HOLE STABLE. SURFACE TEST MOTOR. RIH NO PROBLEMS. DISPLACEMENT OK, HOLE STABLE. DRILLING F/ 11051-11110'. NO MEASURABLE FLUID LOSS SINCE BACK ON BOTTOM. O.H. LOGGING W/ ATLAS MW: 8.9 VIS: 49 DRILLING F/ 11110-11385'. SHORT TRIP T/ SHOE, NO PROBLEMS. SWEEP HOLE, CBU. DROP EMS, PUMP PILL, BLOW DOWN KELLY. POH SLM. NO CORRECTION. HOLE TOOK 12 BBL MORE THAN CALC DISPLACEMENT. R/U ATLAS WIRELINE, RIH W/ DIFL/GR/BHC/CHT. LOGGERS TD 11387'. LOGGING OH. CBU/CIRC & COND MW: 9.1 VIS: 52 LOGGING W/ ATLAS, DIFL/BHC ACC/GR/CHTE. R/D LOGGERS. M/U MULE SHOE AND RIH W/ 3 1/2" DP. CUT/SLIP DRLG 105' DRILLING LINE. RIH W/ 3 1/2". RETORQUE ROTATING DP RUBBERS. P/U 25 JTS 3 1/2" 15.5# S-135 DP T/ 11385' AND TAG BTM. SET CEMENT PLUG IN OPEN HOLE. POH T/ 10172', SLOWLY. CIRC DP VOLUME, PERFORM SQUEEZE, HOLDING 250 PSI ON HOLE. POH L/D MULE SHOE. SERVICE WEAR RING, DRAWWORKS, CATHEAD AND TABLE. P/U BHA, ORIENT MOTOR AND MWD, INSTALL PROBE, BREAK CIRC. RIH, CHECK MWD EVERY 30 STDS. RETORQUE DP RUBBERS AND ADD RUBBERS UNTIL CONTINUOUS F/ JT 250-326'. L/D EXCESS DP. TAG AND WASH GREEN CEMENT F/ 10765-10828'. FIRM F/ 10828-10852'. CIRCULATE. CHANGE OUT SHAKER SCREENS. CIRCULATE BOTTOMS UP AND CONDITION MUD. DRILLING WAIT ON CEMENT. MOTOR F/ KICKOFF. MW: 8.9 VIS: 56 DRILLING CEMENT F/ 10852-10955'. ORIENT DRILLING F/ 10955-11140'. RIH, TIGHTED DP RUBBERS MW: 9.0 VIS: 79 DRILLING F/ 11140-11231'. CIRCULATED SWEEP AROUND, POH TO SHOE. CLEAN PITS, INJECT EXCESS MUD. RIH, DISPLACE HOLE WITH FLO-PRO. INJECT OLD MUD. MIX AND PUMP DRY JOB. BLOW DOWN KELLY. POH, XO BITS. SERVICE, ORIENT AND SURFACE CHECK LWD/MOTOR. RIH, FILL EVERY 30 STDS. INSPECT AND RETORQUE EVERY DP RUBBER. RECEIVED JUL. 9 1994 0il & Gas Cons. Commissioo Anchorag~ WELL ~: X-20I OPERATION: RIG : NABORS 18E PAGE: 05/31/94 20) TD:l1341' 110) 06/01/94 21) TD:l1341' 0) 06/02/94 (22) TD:l1612' 271) 06/03/94 23) TD:11674' 62) 06/04/94 24) TD:11922' 248) CIRCULATE BOTTOMS UP MW: 9.2 VIS: 69 RIH, RETORQUE NON ROTATING DP RUBBERS. P/U KELLY, PUMP SURVEY, SYN W/ MWD. FLOW SHOW INCREASE BEFORE BOTTOMS UP. P/U AND OBSERVE WELL. SLIGHT FLOW W/ HIGH GAS CUT. CONTINUE TO CBU, MUD GAS CUT. CIRCULATE SURFACE TO SURFACE TRHOUGH FULL OPEN CHOKE AND UTILIZE GAS BUSTER AND DEGASSER. MUD CLEARED UP AND GOT 8.9 PPG ALL AROUND. MAKE MAD PASS W/ MWD F/ 11188-11231'. DRILLING F~ 11231-11341'. MONITOR MUD FOR CONN. GAS, SHOWS: NO ABNORMASL MUD CUTTING OBSERVED. PUMP LO-HI SWEEP, DRY JOB. BLOW DOWN KELLY. POH SLOWLY TO SHOE, HOLE NOT TAKING ANY FLUID. FILL THROUGH INSIDE. POH 5 ADDT'L STANDS. ROTATING PIPE IN SLIPS TO BREAK OUT. HOLE STILL NOT TAKING FLUID. RIH. CBU. POH 20 STANDS. HOLE STABLE. RIH. CBU. HAD GAS CUT MUD W/ SHOW OIL AT BOTTOMS UP. CIRC HOLE TO STABILIZE PROPERTIES. DEGASSER DOWN. ELEC. WORKING ON SAME. RIH W/ BIT #10 MW: 9.3 VIS: 71 COMPLETE CBU, MONITOR WELL W/ PUMPS OFF. WELL STABLE. CBU W/ NO GAS CUT MUD ON BOTTOMS UP. POH F/ BHA CHANGE, SLOW. HOLE FILL SHORT 10 BBL, NO INDICATIONS OF FLOW. L/D MOTOR, 10' LEAD DC, P/U 5' LEAD, MOTOR, AND STAB BIT. TEST BOPE. SERVICE WEAR RING. RIH - ORIENT MOTOR AND MWD. INSTALL MWD PROBE. BREAK CIRC, TEST MOTOR/MWD. RIH FILLING PIPE EVERY 20 STANDS. CBU @6000'. NO PROBLEMS. CONTINUE TO RIH, HOLE STABLE. POOH MW: 9.2 VIS: 71 WASH T/BTTM. CBU. DRLG T/11582. UNABLE T/SLIDE MOTOR T/DROP ANGLE. ORIENT TOOL FACE T/LOW SIDE. TRY T/UNDER CUT HOLE BY SLIDING MOTOR F/11540 T/11582. DRLG F/11582 T/11597. SURV. STILL BUILDING ANGLE. MIX SLUG. POOH F/BHA CHANGE. HOLE FILLING GOOD W/30 STNDS OUT. RIH FILL EVERY 30 STNDS. MW: 9.3 VIS: 74 FINISH POOH W/BIT #10. CHANGE BHA & PU NEW BIT. C/O ORIENT & SURF. CHK MWD. RIH FILL EVERY 30 STNDS. CHK TRQ ON DP RUBBERS. WASH & REAM THRU TIGHT HOLE F/11035-11125. FINISH RIH, NO FILL. DRLG 6.75 HRZNTL HOLE F/11612 T/11674. PROJ. ANGLE +/- 89DEG ON BTTM. CIRC & BUILD SLUG. POOH F/BHA ADD FLOAT SUB & STBLZR T/MOTOR. ORIENT & CHK MWD. RIH - FILL EVERY 30 STNDS. DRILLING MW: 9.2 VIS: 65 RIH SLOW. FILL EVERY 30 STANDS. CUT DRILLING LINE. RIH. WASH AND REAM THROUGH TIGHT SPOT F/ 10952-11000. RIH - NO FILL. DRILLING F/ 11674-11922'. PREPARE TO POH FOR BHA CHANGE. RECEIVED JUL ]9 1994 AI;~ska Oil & Gas Cons. Commission, Anchorau~, WELL .: X-20I OPERATION: RIG : NABORS 18E PAGE: 06/05/94 TD:11982' 06/06/94 TD:12140' 06/07/94 TD:12354' 06/08/94 TD:12605' 06/09/94 TD:12768' 06/10/94 TD:12964' 25) 60) 26) 158) 27) 214) 28) 251) 29) 163) 30) 196) DRILLING MW: 9.3 VIS: 87 POH W/ 18 STANDS. 16 BBL GAIN IN TRIP TANK, RIH SLOW. CIRC BOTTOMS UP. MUD GAS CUT TO 8.3 PPG. PUMP OUT AND LD 18 JTS W/ KELLY. POH. RIH SLOW. FILL EVERY 20 STANDS. PU 18 JTS HWDP. NO FILL. DRILLING F/ 11922-11982'. MINOR GAS CUT MUD ON BTTMS UP. DRILLING MW: 9.2 VIS: 73 DRLG F/ 11922-12034'. POH SLOW. SLUG DP @ SHOE. HOLE FILL 3.0 BBLS LESS THAN CALCULATED. CHANGE BHA. ORIENT TOOLS, SURFACE CHECK. RIH, SLOW. FILL EVERY 30 STANDS, CHECK DP RUBBERS, NO FILL. DRLG F/ 12034-12052'. CIRC OUT GAS CUT MUD. DRLG F/ 12052-12140'. DRILLING MW: 9.3 VIS: 72 DRILLING F/ 12140-12252'. ANGLE DROPPING FAST. POH SLOW. HOLE TOOL 9 BBLS LESS THAN CALCULATED. CHANGE BHA BIT. ORIENT AND SURFACE TEST TOOLS. RIH SLOW. FILL EVERY 30 STANDS. TORQUE DP RUBBERS. CIRC OUT GAS CUT MUD AND WORK PIPE F/ 12028-12252'. HOLE WAS A LITTLE TIGHT ON BTM. START MIXING LUB TEX IN MUD SYSTEM FOR LUBRICATION. DRLG F/ 12252-12354' LUBRICANT SEEMS TO HAVE HELPED ROTARY TORQUE - DOWN FROM 475 AMPS TO 400 AMPS ON BTM W/ 25K WOB. DRILLING MW: 9.1 VIS: 71 DRLG F/ 12354-12405'. BACK REAM HOLE F/ 12362-12405'. TRYING TO DROP ANGLE. DRLG F/ 12405-12586'. CHANGE SWIVEL PACKING. DRLG F/ 12586-12605'. RIH W/ BIT #14, CHECK MWD MW: 9.2 VIS: 78 DRILLING F/ 12605-12678'. POH F/ BHA AND BIT CHANGE. HOLE SWABBED FIRST 5 STANDS. FILL PIPE FROM INSIDE 5 STD INTERVAL UNTIL INSIDE SHOE. WORK MINOR TIGHT HOLE 11375-11220. PULL WEAR RING INSTALL TEST PLUG, TEST BOP. M/U BHA, XO MOTOR, NEW BIT. RIH W/ BIT #14. SURFACE TEST MOTOR/MWD. CBU @ TD MW: 9.1 VIS: 70 RIH W/ BIT #14 SLOWLY. CUT/SLIP DRILLING LINE. RIH CHECK TORQUE ON DP RUBBERS. TRIP @ 1MIN/STD. DRILLING F/ 12768-12964'. INDICATIONS THAT HOLE BACK INTO SHUBLIK FM. GEILOGY CALLED TD. CBU AT TD. PREP TO SHORT TRIP. RECEIVED JUL. ] 9 1994 Alaska Oil & Gas Cons. Commission Anchorayo WELL ,: X-20I OPERATION: RIG : NABORS 18E PAGE: 7 06/11/94 TD:12964' 06/12/94 TD:12964' 06/13/94 TD:12964' 31) 32) 33) o) o) o) RIH W/ HOLE OPENER MW: 9.2 VIS: 70 SHORT TRIP T/ SHOE. RIH T/ 11161', KELLY UP, MAD PASS F/ 11190-11230'. CBU, SEVERE GAS CUT MUD NEAR END OF MAD PASS. RIH, WORK TIGHT HOLE @11250'. REAM F/ 11250-11326'. RIH T/ 11828'. LD 4 JTS, RIH LAST 3TD F/ DERRICK. REAM F/ 12840-12870'. PUMP SWEEP. HOLE TIGHT AND PACKING OFF. RIH T/ 12964'. CBU, PUMP SWEEP AROUND. POH, L/D 64 JTS DP, REMOVE DP RUBBERS. SLM. L/D BHA. CLEAR FLOOR/WORKSPACE. P/U HOLE OPENER ASSEMBLY, SPACE OUT SCRAPER AND RIH. WORK STUCK PIPE @12372' MW: 9.1 VIS: 73 RIH W/ 6 3/4" HOLE OPENER. BREAK CIRC, WASH/REAM WITH HOLE OPENER F/ 10952-12820'. PUMP SWEEP AROUND, COND. MUD. POH L/D 14 JTS DP. HOLE DRAG INCREASED W/ 11 JTS OUT. P/U KELLY AND MAKE UP HIGH TOOL JT. BREAK CIRC SLOWLEY. HOLE NOT TRYING TO PACK OFF. BIT DEPTH @ 12372'. UNABLE TO GET KELLY BACK IN TABLE TO ROTATE PIPE. CONTINUE TO WORK PIPE WITHOUT MOVEMENT. FULL CIRCULATION, NOT MCH ACROSS SHAKERS. HAVE JAR ACTION. BUT NOT CERTAIN IF BOTH SETS HAVE ACTION. ORDER OUT SPOTTING FLUID, BACKOFF/FISHING HAND. SPOT SFT 25 BBL AROUND BHA AND MOVE 1 BBL/HR. 25 LEFT INSIDE. WORK STUCK PIPE, BOTH JARS FIRE IN UPSTROKE. MOVE SPOTTING FLUID 1 BBL/HR. ALASKA PIPE REC AND TRISTATE HANDS DUE IN @1100. APPLY TORQUE TO STRING WITH SLIPS IN TABLE WITHIN SAFE LIMITS. NOT ABLE TO TRAP TORQUE DOWNHOLE AND WORK PIPE SAME. M/U BACKOFF SHOT/RIH MW: 9.1 VIS: 77 WORK STUCK PIPE. HYD JARS APPARENTLY NOT WORKING. CONTINUE TO MOVE SET PILL 1 BBL/HR. RIG UP ATLAS WL AND ALASKA PIPE RECOVERY TOOLS. TRISTATE ON LOC. RIH W/ CCL/SINKER BARS FOR DUMMY RUN, WORK THROUGH RESTRICTED ID AT SCRAPER, 10457'. CONT IN HOLE TO 11300'. HAD TO PUMP F/ 11050-11300' TO GET DOWN. TOOL STOPPED IN HORIZONTAL SECTION. 2-3 BPM WOULD NOT PUMP TOOL DOWN. POH. WORK STUCK PIPE. BOTH JARS WORKING AGAIN. VERY DISTINCT UPSTROKESS, INDICATES PIPE FREE AT TOP OF MECH. JAR AT 12262'. APR HAND UNABLE TO CLEAR SCRAPER ID W/ AVAILABLE FREEPT TOOLS DUE TO SPRINGS, BUR DECIDE FREEP NOT NEEDED.R/U 1 3/8" BACKOFF SHOT/CCL. WORK LH TORQUE IN STRING AND RIH W/ BACKOFF SHOT. HAD TO PUPM THROUGH 10457' AND BELOW 11100'. GOT BELOW DOGLEG AT 11300' BY INCREASING PUMP. UNABLE TO WORK TOOLS DOWN HOR SECTION OF HOLE UNTIL PUMP RATE INCREASED TO 5+ BPM, WITH WL SLACK OFF. MONITOR CCL AND CONTINUOSLY WORK TOOL UP/DOWN TO KEEP MOVEMENT. M/U STRING SHOT AND RIH. RECEIVED JUL 19 1994 Alaska Oil & Gas Cons, Commissi~r. Anc~ora,qe WELL ~: X-20I OPERATION: RIG · NABORS 18E PAGE: 8 06/14/94 TD:12964' 06/15/94 TD:12964' 06/16/94 TD:12964' 06/17/94 TD:12964' 34) 0) 35) 0) 36) 0) 37) 0) R/U ATLAS F/ BACKOFF MW: 9.2 VIS: 76 RIH W/ STRIN SHOT #2. PUMP SHOT THROUGH SCRAPER. RIH, BACK OFF @10756'. POH W/ WL RD. CBU RETRIEVE SFT PILL, CONTAMINATED MUD. PUMP DRY JOB. POH, LEFT 1608' BHA IN HOLE. TOF @10756'. M/U TRISTATE FISHING ASSY. TAG TOF 10764', SCRE INTO FISH AND TORQUE UP. JAR DOWN W/ TORQUE WORKED INTO STRING. R/U ATLAS WL AND BACKOFF TOOLS FOR DEEPER SHOT. POH W/ FISH TO SHOE MW: 9.1 VIS: 72 RIH W/ 360 GR STRINGSHOT, PUMP SHOT DOWNHOLE F/ 11150'. WORKING PIPE. TOOK 4 BPM @ MAX PP TO KEEP MOVING. STALLED MANY TIMES. BACK OFF PIPE. POH W/ ATLAS WL R/D TOOLS. CBU. POH W/ FISHING STRING AND 46 JTS 3.5" G 15.5 DP. TOF @ 12155'. M/U SCREW IN SUB FISHING ASSY. RIH T/ 12155'. HOLE GOOD TO TOP OF FISH. SCREW INTO FISH, JAR DOWN, OCC WORK UP, GOOD CIRCULATION WORK MAX TORQUE AND DOWNSTROKE TO FISH. MINOR GAS CUT MUD. KNOCK FISH LOOSE, ROTATE AND WORK DOWNHOLE W/ CIRC TO FREE UP FISH. HAVING BACKREAM 4" AT A TIME WHERE FISH WAS STUCK TO COME UPHOLE. CONTINUE TO FREE UP. PUMP OUT 7 JTS, POH TO SHOE IN STANDS. MIX DRY JOB TO PUMP AT SHOE. POH TO RUN 4 1/2" LINER MW: 9.1 VIS: 74 MIX AND PUMP DRY JOB. CHAIN OUT OF HOLE W/ FISH. LD 4 3/4" DC'S, FISHING TOOLS, AND FISH RECOVERED STRING SHOT LEFT IN FLOAT SUB. MAKE UP 6 3/4" BHA AND RIH. CUT DRLG LINE. RIH TO 12078' WASH F/ 12078-12750'. NO PROBLEMS. CIRC LO-HI VIS SWEEP AROUND. MADE 19 STAND SHORT TRIP TO 7 5/8" SHOE. HOLE TIGHT RIH F/ 12200-12542'. WASH AND REAM F/ 12542-12750'. NO FILL. CIRC LO-HI VIS SWEEP AROUND. MADE 19 STAND SHORT TRIP TO 7 5/8" SHOE. HOLE IN GOOD SHAPE. CIRC LO-HI VIS SWEEP AROUND. SLUG DP. POH TO RUN 4 1/2" LINER. DROPPED RABBIT. RELEASE RUNNING TOOL MW: 9.1 VIS: 74 POH TO RUN 4 1/2" LINER. LD BHA. PULL WEAR BUSHING. SET TEST PLUG. CHANGE BTM RAMS TO 4 1/2". TEST DOOR SEALS. PULLED TEST PLUG ANS SET WEAR BUSHING. RU CASERS. PU 4 1/2" SLOTTES X BLANK LINER. PUMPED LINER VOLUME AND RD CASERS. RIH W/ 4 1/2" LINER ON DP SLOW. CIRC @ 7 5/8" SHOE. RINISH RIH W/ 4 1/2" LINER ON 3 1/2" DP TO 12717' LINER WENT GOOD. LOST 80 BBLS MUD WHILE RUNNING LINER. PU CMT HEAD AND BREAK CIRC. PUMPED 60 BBLS W/ SHOE @ 12720'. BJ TESTED LINES. DROPPED FIRST PLUG. PUMPED 4 BBLS WATER AND 87 BBLS MUD. BUMPED PLUG. CIRC ANS COND MUD AND HOLE FOR CMT. CIRC. HOLE TAKING MUD AT HIGHER PUMP RATES. BATCH MIX CMT. BJ CMT'D 4 1/2" LINER W/ SHOE @ 12720' AND TOL @ 10812'. PUMPED 70 BBLS 2% KCL WATER. HAD GOOD RETURNS THROUGH OUT JOB. PLUG DOWN AND JOB COMPLETE. BUMPED PLUG. RELEASED PRESSURE, HELD. RECEIVED JUL.. '1 9 1994 Ataska UII & Gas Cons. Commissio,~ Anchoraue WELL .: X-20I OPERATION: RIG : NABORS 18E PAGE: 06/18/94 TD:12964' 06/19/94 TD:12964' 06/20/94 TD:12964' 06/21/94 TD:12964' 38) 39) 4O) 41) CIRC @ 10812' MW: 9.1 VIS: 42 RELEASED RUNNING TOOL, POH W/ 20 STANDS (WE). RD CMT HEAD, MIX SLUG AND SLUG DP. POH, LD HWDP AND TIW RUNNING TOOL. PULLED WEAR RING AND INSTALLED TEST PLUG. CHANGED BTM RAMS TO 3 1/2". TEST BOP'S. PULLED TEST PLUG ANS SET WEAR RING. PU 6 3/4" BIT, CSG SCRAPER AND BHA. RIH, TAG CMT @ 10175'. LD 21 JTS DP. RUN 7 STANDS OUT OF DERRICK. DRLG CMT F/ 10175-10235'. CIRC AND CONDTION MUD TO DRLG CMT. DRLG CMT F/ 10235-10812'. CIRC BTMS UP. SHUT WELL IN TO TEST CSG. PRESSURE UP AND STARTED PUMPING IN SHUT DOWN, LEAKED OFF. PUMP HIGH VIS SWEEP AROUND. CHANGE RAMS MW: 9.1 VIS: 46 PUMP HI-VIS SWEEP AROUND, SLUG DP. POH, LD BIT. PU 5 23/32" O.D. POLISH MILL, CSG SCRAPER AND RIH TO TOP OF LINER. WORK POLISH MILL IN TIE BACK SLEEVE F/ 10812-10818'. CIRC HOLE CLEAN. POH AND LD POLISH MILL ANS CSG SCRAPER. PU TIW SN6AT LINER TOP PACKER W/ 5.75" ID TIE BACK SLEEVE AND RIH SLOW TO 10812'. BREAK CIRC AND STING INTO TIE BACK SLEEVE. SET PKR. TEST SEAL NIPPLE. RELEASE SETTING TOOL AND STUNG OUT, TEST 4 1/2" LINER TOP. PUMPED SLUG AND POH W/ RUNNING TOOL. WAIT ON 2 7/8" MUD MOTOR. PULL WEAR RING, SET TEST PLUG, CHANGE BTM RAMS TO 2 7/8", TEST DOOR SEAL. PULLED TEST PLUG AND SET WEAR BUSHING. RIH W/ OPEN ENDED DP MW: 9.1 VIS: 44 PU 3 3/4" MILL W/ SLICK OD, 2 7/8" MOTOR, 3 - 3 1/8" DC'S, AND 43 JTS 2 7/8" DP AND RIH. TAG CMT IN 4 1/2" LINER @ 10836', DRLG CMT F/ 10836-10886' AMD FELL OUT OF CMT. RIH, TAG CMT @ 11645', LD 10 JTS DP, RIH TO 11645'. DRLG CMT F/ 11645-11998'. CIRC FOR CSG TEST. TEST 4 1/2" LINER AND 7 5/8" CSG. DRLG CMT F/ 11998-12025'. DRLG PLUGS, HOWCO CEMENTER AND CMT F/ 12025-12040'. TEST LINER. DRLG PLUGS AND LANDING COLLAR @ 1207222 AND RIH T/ 12150'. CIRC BTTMS UP. POH LD MILL AND MOTOR. PU 2 7/8" MULE SHOE SUB AND RIH W/ OPEN ENDED DP. ATLAS RUNNING SBT LOG MW: 9.1 VIS: 0 RIH W/ OPEN ENDED DP TO 12717~. CLEAN PITS. TAKE ON SEAWATER AND XANVIS SWEEP. DISPLACED MUD W/ 3% KCL SEAWATER, PUMPED 100 BBL XANVIS SWEEP AND 900 BBLS 3% KCL SEAWATER. CLEAN SEAWATER TO SURFACE. CHECK WELL FOR FLOW, WELL STABLE. SPOTTED 30 BBLS 3% KCL SEAWATER TREATED 2/ 4 PPB LITHIUM HYPOCHORITE BREAKER INSIDE 4 1/2" LINER. POH LAYING DOWN 86 JTS 3 1/2" DP. DISPLACED 7 5/8" CSG 610800' W/ 3% KCL SEAWATER UNTIL CLEAN @ SURFACE. DISPLACED W/ 3% KCL SEAWATER TREATED W/ 25 GAL/100 BBLS COAT 7726. BREAK KELLY. POH LD 3 1/2" AND 2 7/8" DP. RU ATLAS W. L. RIH W/ SBT/GR/CCL. STARTED RUNNING BOND LOG 610798' RECEIVED JUL '1 9 1994 Alaska Oil & Gas Cons. Commission Anchorage, WELL .: X-20I OPERATION: RIG : NABORS 18E PAGE: 10 06/22/94 (42) TD:12964 PB: 9004 06/23/94 (43) TD:12964 PB: 9004 ND BOP'S MW:10.0 KC1 FINISHED RUNNING SBT/GR/CCL F/ 10807-9352' REAL GOOD CMT F/ 10800-9750'. POOR CMT F/ 9750-9670'. TOC @ 9670'. RD ATLAS. PULLED WEAR BUSHING AND SET TEST PLUG. CHANGE UPPER AND LOWER RAMS TO 4 1/2". TEST UPPER RAMS AND DOOR SEALS ON LOWER RAMS TO 4 1/2". RU CASERS. RAN TIAL PIPE ASSY W/ X NIIPLE 7 5/8" BAKER SABL-3 CR PKR X NIPPLE 4-CAMCO GLM'S AND 201 JTS 4 1/2" TBG. PU OTIS BALL VALVE AND RU CONTROL LINES. TEST. RIH W/ 4 1/2" TBG. LOST CONTROL LINE PRESSURE W/ 247 JTS IN HOLE. PULLED TBG TO SSSV. CONTROL LINE PARTED - LOST 5 SS CLAMPS IN HOLE. CHANGE OUT SSSV CONTROL LINE AND RIH W/ 4 1/2" TBG. SPACED OUT, PU TBG HANGER AND LANDING JT. LANDED TBG ON HANGER RILDS. DROPPED BALL - SET PKR @ 10740'. HELD PRESSURE FOR TBG TEST. TEST PKR AND TBG HEAD. LD LANDING JT AND SET TWO WAY CHECK. RD FLOOR OF TBG RUNNING TOOLS AND CONTROL LINE SPOOLS. PULL RAMS OUT OF BOP'S. ND BOP'S. RELEASED RIG MW:10.0 KCl ND BOPS. RUN CONTROL LINES THRU TBG HANGER. TEST. NU TBG HEAD ADAPTOR AND TREE. TEST TBG HEAD ADAPTOR. RU LUBRICATOR AND PULLED TWO WAY CHECK. RU TO PUMP. PRESSURE TBG. TEST PACKER AND CSG. BLED OFF TBG PRESSURE AND SHEARED RP VALVE. FREEZE PROTECT TBG AND ANNULUS. PUMPED 83 BBLS DIESEL DOWN 7 5/8" CSG. EQUILIZED W/ TBG. CLEANED PITS AND CELLAR. SET BPV. SECURE WELL AND RELEASE RIG @1900 HRS ON 06/22/94. SIGNATURE: (drilling superintendent) DATE: RECEIVED JUL 1 9 1994 Alask~ 0il & Gas Cons. Commission Anchorauo BAKER HUGHES/NTEQ X-20 NAVIGAMMA SURVEYS COMMENTS NAVIGAMMA SURVEY: 10,935' - 12,964 Projected Data - No Survey RECEIVED JUL 1 9 1~94 Alaska Oil & Gas Cons. CommissiDn Anchorage BP EXPLORATION (ALaska) Inc. Pad X 20 stot #20 Prudhoe Bay North SLope, Ataska SURVEY LISTING by Baker Hughes INTEQ Your ref : NAV[ <10935 - 12964> Our ref : svy4430 License : Date printed : 13-Jun-94 Date created : 2-Jun-94 Last revised : 13-Jun-94 Fietd is centred on 708179.340,5930615.440,999.00000,N Structure is centred on n70 14 33.605,w148 39 36.642 Stot tocation is n70 14 37.036,w148 39 33.681 SLot Grid coordinates are N 5940480.160, E 665977.693 S[ot Local coordinates are 348.86 N 101.85 E Reference North is True North BP EXPLORATION (Alaska) Inc. SURVEY LISTING Page I Pad X,20 Your ref : NAVI <10935 - 12964> Prudhoe Boy, North Slope, Alaska Last revised : 13-Jun-94 Measured [nc[in. Azimuth True Vert. R E C T A N G U L A R Dogleg Vert Depth Degrees Degrees Depth 10900.00 57.20 235.10 8895.10 10935.00 58.40 235.10 8913.75 10965.00 59.50 234.80 8929.23 10996.00 62.90 234.90 8944.16 11026.00 66.60 235.20 8956.95 11059.00 70.30 235.30 8969.07 11089.00 74.30 234.80 8978.19 11119.00 76.80 235.10 8985.68 11149.00 78,30 234.90 8992.14 11180.00 80.70 234.70 8997.79 11213.00 83.20 236.00 9002.42 11245.00 84.50 234.30 9005.84 11276.00 86.10 235.50 9008.38 11293.00 87.00 235.60 9009.41 11314.00 87.30 234.10 9010.45 11345.00 87.90 233.20 9011.75 11376.00 88.90 234.40 9012.61 11410.00 89.30 234.00 9013.15 11439.00 89.30 234.80 9013.50 11469.00 89.70 234.70 9013.76 11501.00 90.00 235.10 9013.85 11532.00 90.80 235.10 9013.63 11565.00 91.40 236.40 9013.00 11594.00 91.60 235.90 9012.24 11625.00 90.70 236.00 9011.62 11656.00 89.50 234.90 9011.56 11689.00 89.00 235.60 9012.00 11718.00 89.20 235.20 9012.45 11748.00 89.40 235.60 9012.82 11780.00 89.40 235.30 9013.15 11811.00 89.40 235.30 9013.48 11842.00 89.60 236.10 9013.75 11873.00 90.20 235.40 9013.80 11892.00 91.10 236.00 9013.59 11923.00 91.00 235.90 9013.02 11953.00 90.60 236.10 9012.60 11985.00 89.80 236.40 9012.49 12017.00 89.50 236.20 9012.68 12048.00 89.60 235.70 9012.93 12079.00 89.40 235.70 9013.20 12110.00 89.40 235.20 9013.52 12140.00 89.40 235.40 9013.84 12171.00 89.40 235.10 9014.16 12201.00 89.30 235.20 9014.50 12234.00 89.30 236.60 9014.90 12266.00 89.00 235.90 9015.38 12296.00 89.30 235.60 9015.82 12325.00 90.00 235.10 9016.00 12358.00 90.70 235.30 9015.80 12386.00 91.10 235.60 9015.36 C 0 0 R D I N A T E S Deg/lOOFt Sect 4290.14 S 3736.74 4307.08 S 3761.03 4321.84 S 3782.07 4337.48 $ 3804.28 4353.02 S 3826.52 4370.51 S 3851.73 4386.88 S 3875.15 4403.56 S 3898.93 4420.36 S 3922.93 4437.93 S 3947.83 4456.51 S 3974.71 4474.69 $ 4000.82 4492.45 $ 4026.09 4502.05 S 4040.09 4514.12 S 4057.24 4532.48 S 4082.18 4550.78 B 4107.19 4570.67 S 4134.76 4587.55 S 4158.34 4604.86 S 4182.84 4623.26 S 4209.02 4641.00 S 4234.44 4659.57 S 4261.71 4675.72 S 4285.79 4693.07 S 4311.47 4710,65 S 4337.00 4729.46 S 4364.11 4745.92 S 4387.98 4762.96 S 4412.67 4781.10 S 4439.03 4798.75 S 4464.51 4816.22 S 4490.12 4833.67 S 4515.74 4844.37 S 4531.44 4861.73 S 4557.12 4878.50 S 4581.99 4896.28 B 4608.59 4914.04 S 4635.22 4931.39 S 4660.90 4948.86 S 4686.51 4966.44 $ 4712.04 4983.52 S 4736.70 5001.19 S 4762.17 5018.33 S 4786.79 5036.83 S 4814.11 5054.60 S 4840.72 5071.49 S 4865.51 5087.97 S 4889.37 5106.81 S 4916.46 5122.68 S 4939.52 3.29 5485.48 TIE FROM PREVIOUS MWD SURVEY 3.43 5515.09 Projected Az - Shot inside Csg 3.76 5540.78 10.97 5567.94 12.37 5595.06 11.22 5625.74 13.43 5654.30 8.39 5683.34 5.04 5712.63 7.77 5743.09 8.52 5775.76 6.66 5807.56 6.44 5838.45 5.33 5855.41 7.28 5876.38 3.49 5907.31 5.04 5938.27 1.66 5972.24 2.76 6001.22 1.37 6031.20 1.56 6063.19 2.58 6094.18 4.34 6127.17 1.86 6156.16 2.92 6187.15 5.25 6218.15 2.61 6251.14 1.54 6280.13 1.49 6310.12 0.94 6342.12 0.00 6373.11 2.66 6404.10 2.97 6435.10 5.69 6454.10 0.46 6485.09 1.49 6515.09 2.67 6547.09 1.13 6579.09 1.64 6610.08 0.64 6641.08 1.61 6672.08 0.67 6702.07 0.97 6733.06 0.47 6763.05 4.24 6796.04 2.38 6828.04 1.41 6858.04 2.97 6887.03 2.21 6920.02 1.78 6948.01 All data is in feet unless otherwise stated Coordinates from slot #20 and TVD from wellhead (68.80 Ft above mean sea level). Vertical section is from weltheed on azimuth 236.44 degrees. Declination is 0,00 degrees, Convergence is 1.26 degrees. Calculation uses the minimum curvature method. Presented by Baker Hughes INTEQ BP EXPLORATION (Alaska) Inc. Pad X,20 Prudhoe Bay, North Stope, Alaska Measured Inc[in. Azimuth Depth Degrees Degrees 12417.00 90.og 235.80 12448.00 90.00 235.20 12479.00 90.60 235.80 12511.00 90.90 235.80 12542.00 90.80 235.50 12573.00 89.40 234.50 12603.00 89.40 234.50 12634.00 89.60 234.60 12665.00 89.80 234.60 12696.00 90.20 234.50 12721.00 90.90 234.60 12758.00 91.40 234.90 12790.00 91.00 233.70 12816.00 91.10 234.20 12851.00 92.80 234.50 12882.00 93.80 235.20 12913.00 94.20 235.90 12964.00 94.86 237.05 SURVEY LISTINg Page 2 Your ref : NAVI <10935 - 12964> Last revised : 13-Jun-94 True Vert. R E C T A N G U L A R Dogleg Vert Depth C 0 0 R D I N A T E S Deg/lOOFt Sect 9015.06 5140.15 S 4965.13 ~ 3,61 6979.01 9015.06 5157.71S 4990.68 W 1.94 7010.00 9014.90 5175.27 S 5016.22 W 2.74 7041.00 9014.48 5193.25 S 5042.69 W 0.94 7072.99 9014.02 5210.74 S 5068.28 ~ 1.02 7103.99 9013.97 5228.52 S 5093.67 ~ 5.55 7134.98 9014.28 5245.94 S 5118.10 ~ 0.00 7164.96 9014.55 5263.92 S 5143.35 ~ 0.72 7195.94 9014.71 5281.88 S 5168.62 ~ 0.64 7226.92 9014.71 5299.86 S 5193.87 ~ 1.33 7257.91 9014.47 5314.36 S 5214.23 ~ 2.83 7282.89 9013.73 5335.71S 5244.44 ~ 1.58 7319.87 9013.06 5354.38 S 5270.42 ~ 3.95 7-551.84 9012.58 5369.68 $ 5291.44 ~ 1.96 7377.81 9011.39 5390.06 S 5319.86 W 4.93 7412.76 9009.61 5407.88 $ 5345.17 g 3.94 7443.70 9007.45 5425.37 S 5370.67 ~ 2.60 7474.62 9003.42 5453.45 S 5413.05 ~ 2.59 7525.46 PROJECTED DATA - NO SURVEY All data is in feet unless otherwise stated Coordinates from slot #20 and TVD from wellhead (68.80 Ft above mean sea level). Vertical section is from wet[head on azimuth 236.44 degrees. Declination is 0.00 degrees, Convergence is 1.26 degrees. Calculation uses the minimum curvature method. Presented by gaker Hughes INTEQ BP EXPLORAT[OM (Alaska) inc. SURVEY L[ST[NG Page $ Pad X,20 Your ref : NAVI <10935 - 12964> Prudhoe Bay, North Slope, Alaska Last revised : 13-Jun-94 Cor~ents in we[[path MD TVD Rectangular Coords. Co~nt 10900.00 8895.10 4290.14 S 3736.74 W TIE FROM PREVIOUS Mt&) SURVEY 10935.00 8913.75 4307.08 S 3761.03 W Projected Az - Shot inside Csg 12964.00 9003.42 5453.45 S 5413.05 W PROJECTED DATA - NO SURVEY Alt data is in feet un[ess otherwise stated Coordinates from slot #20 and TVD from wellhead (68.80 Ft above mean sea level). Bottom hole distance is 7683.83 on azimuth 224.79 degrees from wellhead. Vertical section is from wellhead on azimuth 235.44 degrees. Declination is 0.00 degrees, Convergence is 1.26 degrees. Calculation uses the minimum curvature method. Presented by Baker Hughes ]NTEQ 'ORIGIN, L BAKER HUGHES INTEQ X-20 PH SURVEYS COMMENTS MWD SURVEY: 0.00' - 10,900' RECEIVED JUL 1 9 1994 Alaska Oil & t~ Con;. Commission Anchorage BP EXPLORATION (Alaska) ]nc. Pad X 20PN slot #20 Prudhoe Bay North Slope, Alaska SURVEY LISTING by Baker Hughes INTEQ Your ref : PMSS <0 - 10900> Our ref : svy4404 License : Date printed : 13-Jun-94 Date created : 13-May-94 Last revised : 13-Jun-94 Field is centred on 708179.$40,5950615.440,999.00000,N Structure is centred on n70 14 33.605,w148 39 36.642 Slot location is n70 14 37.036,w148 39 33.681 Slot Grid coordinates are N 5940480.160, E 665977.693 SLot focal coordinates are 348.86 N 101.85 E Reference North is True North BP EXPLORATION (Alaska) Inc. Pad X,2OPH Prudhoe Bay,North Stope, Alaska Measured [nc[in. Azimuth True Vert. R E C T A N G U L A R Dogleg Vert Depth Degrees Degrees Depth C 0 0 R D I N A T E S Deg/lOOFt Sect 0.00 0.00 0.00 0.00 0.00 N 0.00 E 0.00 0.00 99.00 0.50 262.50 99.00 0.06 S 0.43 W 0.50 0.39 196.00 0.30 97.30 196.00 0.14 S 0.60 W 0.82 0.58 288.00 0.60 60.00 288.00 0.07 N 0.06 E 0.44 -0.09 380.00 0.70 73.70 379.99 0.46 N 1.02 E 0.20 -1.10 473.00 1.20 222.50 472.98 0.09 S 0.90 E 1.97 -0.70 565.00 3.70 214.50 564.89 3.25 S 1.43 W 2.74 2.99 657.00 6.20 190.80 656.55 10.58 S 4.04 W 3.46 9.22 749.00 9.10 179.20 747.73 22.74 S 4.87 W 3.56 16.63 842.00 11.20 175.30 839.27 39.09 S 4.03 ~ 2.37 24.97 935.00 12.40 171.50 930.30 57.97 S 1.81W 1.54 33.56 1028.00 14.20 170.10 1020.80 79.09 S 1.62 E 1.97 42.36 1120.00 16.50 170.10 1109.52 103.08 S 5.81E 2.50 52.14 1213.00 17.50 170.40 1198.45 129.87 S 10.41E 1.08 63.12 1304.00 20.70 173.60 1284.43 159.36 S 14.49 E 3.70 76.02 1398.00 22.70 177.50 1371.77 193.99 S 17.13 E 2.62 92.96 1491.00 25.80 174.60 1456.56 232.08 S 19.82 E 3.57 111.78 1583.00 27.20 172.90 1538.89 272.88 S 24.30 E 1.T5 130.60 1677.00 29.80 175.70 1621.50 317.50 S 28.71E 3.11 151.59 1770.00 29.80 177,10 1702.20 363.62 S 31.61E 0.75 174.67 1860.00 31.60 179.20 1779.59 409.54 S 33.08 E 2.33 198.84 1953.00 53.20 178.50 1858.11 459.36 S 34.08 E 1.7-/ 225.54 2046.00 33.70 179.90 1935.70 510.61S 34.79 E 0.99 253.28 2136.00 35.20 184.10 2009.93 561.46 S 32.98 E 3.12 282.90 2229.00 36.10 184.80 2085.50 615.50 S 28.77E 1.06 316.28 2322.00 35.90 184.10 2160.74 670.00 S 24.53 E 0.49 349.94 2415.00 36.10 189.10 2235.99 724.26 S 18.25 E 3.17 385.17 2507.00 36.70 190.50 2310.04 778.06 S 8.95 E 1.11 422.66 2600.00 36.80 195.00 2384.57 832.30 S 3.32 W 2.90 462.87 2692.00 37.30 202.40 2458.04 884.71S 21.09 W 4.87 506.65 2784.00 36.60 207.30 2531.58 934.87 S 44.30 W 3.29 553.72 2877.00 36.70 211.90 2606.20 983.10 S 71.70 ~ 2.95 603.22 2970.00 36,70 217.90 2680.79 1028.64 S 103.47 ~ 3.85 654.86 3068.00 38.00 220.00 2758.70 1074.86 S 140.85 ~ 1.86 711.57 3155.00 39.10 223.90 2826.75 1115.15 S 177.09 ~ 3.06 764.04 3248.00 38.80 229.80 2899.10 1155.10 $ 219.70 W 4.00 821.63 3341.00 38.40 229.10 2971.78 1192.82 S 263.79 ~ 0.64 879.22 3433.00 38.10 230.20 3044.03 1229.70 S 307.19 g 0.81 935.77 3505.00 37.90 228.80 3100.7-/ 1258.48 S 340,90 ~ 1.23 979.77 3594.00 37.90 230.20 3171.00 1293,99 S 382.47 W 0.97 1034.04 3615.00 38.00 230.20 3187.56 1302.26 S 392.39 ~ 0.48 1046.88 3707.00 38.00 229.50 3260.05 1338.78 S 435.68~ 0.47 1103.15 3799.00 37.70 229.50 3332.70 1375.44 S 478.61 ~ 0.33 1159.18 3892.00 37.90 229.50 3406.18 1412.46 S 521.95 W 0.22 1215.77 3985.00 38.00 228.80 3479.52 1449.86 S 565.21 ~ 0.48 1272.50 4076.00 38.20 227.70 3551.13 1487.25 S 607.10 ~ 0.78 1328.07 4169.00 38.10 228.10 3624.26 1525.77 S 649.72 W 0.29 1384.88 4261.00 37.90 227.40 3696.76 1563.85 S 691.65 W 0.52 1440.87 4354.00 38.10 228.40 3770.05 1602.24 S 7~4.13 ~ 0.70 1497.49 4447.00 38.30 228.10 3843.13 1640.53 S 777'.04 W 0.29 1554.42 SURVEY LISTING Page 1 Your ref : PHSS <0 - 10900> Last revised : 13-Jun-94 All data is in feet unless otherwise stated Coordinates from slot #20 and TVD from wellhead (68.80 Ft above mean sea [eve[). Vertical section is from wellhead on azimuth 236.44 degrees. Declination is 0.00 degrees, Convergence is 1.26 degrees. Calculation uses the minimum curvature method. Presented by Baker Hughes INTEQ BP EXPLORATION (Alaska) Inc. SURVEY LISTING Page 2 Pad X,2OPN Your ref : PMSS <0 - 10900> Prudhoe Bay,North Slope, Alaska Last revised : 13-Jun-94 Measured Inclin. Azimuth True Vert. R E C T A N G U L A R Dogleg Vert Depth Degrees Degrees Depth 4538.00 38.10 226.70 3914.65 4629.00 38.20 227.70 3986.21 4722.00 38.10 227.00 4059.34 4815.00 38.10 228.10 4132.53 4906.00 37.40 228.40 4204.48 4998.00 36.50 227.70 4278.01 5091.00 35.90 228.10 4353.05 5184.00 36.60 227.00 4428.05 5278.00 36.80 227.40 4503.42 5370.00 37.00 228.80 4576.99 5462.00 36.70 229.10 4650.61 5555.00 36.20 228.80 4725.42 5647.00 36.10 227.00 4799.71 5739.00 36.60 227.70 4873.80 5830.00 36.60 227.40 4946.86 5922.00 37.00 226.70 5020.53 6014.00 37.00 226.30 5094.00 6108.00 37.00 226.30 5169.08 6199.00 37.80 226.70 5241.37 6292.00 38.40 227.40 5314.55 6384.00 38.90 226.70 5386.40 6475.00 38.90 227.70 5457.22 6569.00 37.90 225.30 5530.89 6664.00 38.10 223.50 5605.76 6759.00 37.40 222.80 5680.87 6854.00 35.00 223.90 5757.53 6950.00 34.00 223.20 5836.64 7045.00 33.30 223.90 5915.72 7139.00 33.60 222.10 5994.16 7233.00 33.90 223.90 6072.32 7328.00 34.30 222.80 6150.98 7421.00 34.20 223.20 6227.86 7513.00 34.50 222.80 6303.81 7607.00 34.90 222.80 6381.09 7702.00 34.70 222.50 6459.10 7796.00 34.70 223.50 6536.38 7890.00 35.30 224.20 6613.38 7985.00 35.50 225.30 6690.82 8078.00 35.60 225.60 6766.49 8173.00 35.70 224.20 6843.69 8266.00 36.00 226.00 6919.07 8359.00 36.80 227.40 6993.93 8454.00 37.30 227.00 7069.75 8546.00 37.40 226.30 7142.88 8640.00 37.40 226.30 7217.56 8732.00 37.40 227.00 7290.64 8826.00 37.80 226.70 ~365.12 8920.00 38.00 228.10 7439.29 9016.00 37.40 228.80 7515.25 9111.00 36.60 228.80 7591.12 C 0 0 R D I N A T E S Deg/lOOFt Sect 1678.62 S 818.46 W 0.98 1609.99 1716.81 B 859.71 W 0.69 1665.47 1755.73 S 901.96 W 0.48 1722.20 1794.46 S 944.30 ~ 0.73 1778.89 1831.56 S 985.86 W 0.80 1834.03 1868.53 S 1027.00 1905.35 S 1067.75 1942.47 S 1108.32 1980.64 S 1149.54 2017.52 S 1190.65 1.08 1888.74 0.69 1943.06 1.03 1997.39 0.33 2052.84 0.94 2107.49 2053.76 S 1232.26 2090.04 S 1273.93 2126.42 S 1314.20 2163.37 S 1354.30 2199.99 S 1394.34 0.38 2162.19 0.57 2216.97 1.16 2270.64 0.71 2324.48 0.20 2378.09 2237.54 S 1434.67 2275.65 S 1474.83 2314.73 S 1515.73 2352.78 S 1555.83 2391.88 S 1597.83 0.63 2432.46 0.26 2486.99 0.00 2542.68 0.92 2597.12 0.79 2653.74 2431.03 S 1639.88 2469.85 S 1681.81 2510.03 S 1724.17 2551.81 B 1765.08 2594.24 S 1804.86 0.72 2710.42 0.69 2766.83 1.91 2824.33 1.18 2881.52 0.86 2938.13 2635.05 S 1843.36 2674.45 S 1880.83 2712.61 S 1917.09 2750.50 S 1952.42 2788.69 B 1988.04 2.62 2992.77 1.12 3045.77 0.84 3097.08 1.10 3147.47 1.11 3198.26 2827.42 S 2024.60 2865.70 S 2060.29 2903.66 S 2095.70 2942.93 B 2132.05 2982.80 S 2168.79 0.77 3250.14 0.26 3301.04 0.41 3351.53 0.42 3403.54 0.28 3456.19 3021.94 S 2205.28 3060.82 S 2242.64 3099.90 S 2281.38 3137.83 S 2319.91 3177.05 S 2358.99 0.60 3508.24 0.77 3560.86 0.70 3614.74 0.22 3667.82 0.86 3722.07 3215.49 S 2397.57 3253.33 S 2437.74 3292.22 S 2479.73 3330.54 8 2520.32 3369.98 S 2561.60 1.18 3775.47 1.24 3829.86 0.58 3886.35 0.47 3941.36 0.00 3997.56 3408.34 S 2602.23 3447.56 S 2644.07 3486.64 S 2686.58 3525.58 B 2730.51 3563.24 B 2773.52 0.46 4052.62 0.47 4109.17 0.94 4166.20 0.77 4224.33 0.84 4281.00 Alt data is in feet unless otherwise stated Coordinates from slot #20 and TVD from wellhead (68.80 Ft above mean sea [eve[). Vertical section is from wellhead on azimuth 236.44 degrees. Declination is 0.00 degrees, Convergence is 1.26 degrees. Calculation uses the minimum curvature method. Presented by Baker Hughes INTEQ BP EXPLORATION (Alaska) Inc. Pad X,2OPH Prudhoe Bay, North SLope, Alaska SURVEY LISTING Page 3 Your ref : PMSS <0 - 10900> Last revised : 13-Jun-94 Measured incLin. Azimuth True Vert. R E C T A N G U L A R Dogleg Vert Depth Degrees Degrees Depth C 0 0 R D ! N A T E S Deg/lOOFt Sect 9205.00 36.50 228.10 7666.63 3600.37 S 2815.42 W 0.46 4336.43 9300.00 36.20 230.20 7743.15 3637.20 S 2858.00 W 1.35 4392.28 9395.00 36.10 228.80 7819.86 3673.59 S 2900.61W 0.88 4447.90 9490.00 36.00 230.50 7896.67 3709.79 S 2943.22 W 1.06 4503.41 9585.00 36.20 229.80 7973.43 3745.66 S 2986.19 ~ 0.48 4559.05 9679.00 37.20 231.60 8048.80 3781,22 S 3029.66 ~ 1.56 4614.94 97T4.00 37.50 232.30 8124.32 3816.75 S 30~5.05 ~ 0.55 4672.40 9868.00 38.10 233.40 8198.60 3851.53 S 3120.97 ~ 0.96 4729.89 9961.00 38.90 233.00 8271.38 3886.22 S 3167.32 ~ 0.90 4787.69 10054.00 42.70 232.70 8341.76 3922.91S 3215.75 ~ 4.09 4848.33 10149.00 45.10 234.10 8410.21 3962.17 S 3268.64 ~ 2.72 4914.10 10244.00 45.80 233.70 8476.86 4002.06 $ 3323.34 W 0.80 4981.74 10337.00 46.10 233.70 8541.52 4041.63 S 3377.20 ~ 0.32 5048.50 10432.00 47.70 236.50 8606.44 4081.29 S 3434.10 W 2.73 5117.84 10529.00 48.90 236.20 8670.96 4121.42 S 3494.38 ~ 1.26 5190.26 10623.00 51.40 235.80 8731.19 4161.78 S 3554.20 ~ 2.68 5262.42 10719.00 52.60 234.80 8790.30 4204.84 S 3616.39 ~ 1,50 5338.05 10813.00 54.40 234.40 8846.21 4248,62 S 3677.98 W 1.94 5413.57 10900.00 57.20 235.10 8895.10 4290.14 S 37"56.74 g 3.29 5485.48 ALl data is in feet unless otherwise stated Coordinates from slot #20 and TVD from wellhead (68.80 Ft above mean sea level). Vertical section is from wellhead on azfmuth 236.44 degrees. Declination is 0.00 degrees, Convergence is 1.26 degrees. Calculation uses the minimum curvature method. Presented by Baker Hughes INTEQ BP EXPLORATION (ALaska) [nc. Pad Xv2OPH Prudhoe Bay, North SLope, ALaska SURVEY LISTING Page 4 Your ref : PMSS <0 - 10900> Last revised : 13-Jun-94 ALL data is in feet unless otherwise stated Coordinates from slot #20 and TVD from wellhead (68.80 Ft above mean sea [eve[). Bottom hole distance is 5689.33 on azimuth 221.06 degrees from wellhead. Vertical section is from weLLhead on azimuth 236.44 degrees. DecLination is 0.00 degrees, Convergence is 1.26 degrees. CaLculation uses the minimum curvature method. Presented by Baker Hughes INTEQ rxuuse Pet~o~echnieal Data BP~l°ra~on (Alask=/Ino 900 East B~on Boulevard ~ohorage,~ Received by Date ALASKA O£L = ~ C$iiEE~/'hTVr~N COMMISSION Attn. LARRY GRANT 3001 PORCUPINE DR. ANCHORAGE AK, 99501. USA Date:' 7 July 1994 RE: Transmittal of Data Sent by: ATLAS WIRELINE Dear Sir/Madam, Enclosed, please find the data as described below: WELL Z-27 X-07 (43-08-10-14) -13 (2 -0s-11-13 %% 9Z z-14 (4 -18-11-13 DESCRIPTION FINAL PDK/GR FINAL RF _~PLS FINAL BL ~LS FINAL RF PLS/GLS FINAL BL PLS/GLS FINAL RF PDK/GR FINAL BL PDE/GR FIN~ RF SBT/GR FINAL BL SBT/GR FINAL RF /~CN/GR FINAL BL CN/GR FINAL RF CN/GR FINAL 8L CN/GR FINAL RF ~COLLAR LOG FINAL BL COLLAR LOG FINAL RF ECC No. Run # 1 4269.01 Run # 1 Run # 1 4046.04 Run # 1 Run # 1 Run # 1 Run # 1 4146.01 Run # 1 Run # 1 6229.00 Run # 1 Run # 1 1187.02 Run # ! Run # 1 6012.01 Run # Please sign and return to: Atlas Wireline Services 5600 B Street Suite 201 Anchorage, AK 99518 Attn. Rodney D. Paulson Received by: Date: Run # Run # ! 1 1991.02 1 International ATLAS WIRELINE SERVICES Subject: Re~distribution of X~20 Final Prints Date: 1 $ Jun 1994 From: R. Paulson To: Prudhoe Bay Log Distribution Recipients The final prints for this well were distributed with the well name X~20 and an API extension of 70. BP subsequently changed the name to X~20 PH and the AP1 extension to 80. Please replace previously distributed finals with this updated copies. Rodney D. Paulson Manager, Anchorage Geoscience Center 5600 B Street, Suite 2011 Anchorage AK 99518, (907) 563-3233, Fax (907) 561-4028 ALASKA OIL & GAS CONSERVATION COMMISSION Attn. LARRY GRANT 3001 PORCUPINE DR. ANCHORAGE AK, 99501. USA Date: 2 June 1994 RE: Transmittal of Data ECC #: 6210.00 Sent by: U.S. MAIL Data: LDWG Dear Sir/Madam, Reference: BP X-20 PH ~q~¢~ PRUDHOE BAY NORTH SLOPE, AK Enclosed, please find the data as described below: Prints/Films: Prints/Films: /BHC/AL/GR FINAL BL /SSVD FINAL BL /DIFL FINAL BL BHC/AL/GR RF SEPIA SSVD RF SEPIA DIFL/GR/SP RF SEPIA Run # 1 Run # 1 Run $ 1 Run # 1 Run $ 1 Run # I Please sign and return to: Atlas Wireline Services 5600 B Street Suite 201 Anchorage, AK 99518 Attn. Rodney D. Paulson Received by: RECEIVED Alask~ 0il & Cas Cons. Corn~/ssbrl Anchorage .. Please sign and return to: Petroteohnteal Data Center BP Exploration (Alaska) 900 East Benson Boulevard Anchorage, Alask& 99508 ~ ..... ~ red by ALASKA OIL & GAS CONSERVATION COMMISSION Attn. LARRY GRANT 3001 PORCUPINE DR. ANCHORAGE AK, 99501. USA Date: 16 June 1994 RE: Transmittal of Data Sent by: ANCHORAGE XPRES Dear Sir/Madam, Enclosed, please find the data as described below: WELL 2-46/Q-15 2-42/P-13 (MPI) D-19 (22-23-11-13) X-20PH F-35 (23-36-12-13) -1%55 -20 (z4-29-11-14) ~ DESCRIPTION ~1 PDK/GR LDWG TAPE+LST Run # 1 ~ PDK/GR LDWG TAPE+LST Run # 1 1 PDK LDWG TAPE+LISTER Run # 1 /1 DIFL LDWG TAPE+LISTR Run ~ 1 /1 CN/GR LDWG TAPE+LIST Run ~ 1 /~1 CN/GR LDWG TAPE+LIST Run ~ ECC No. 3842.03 6209.0O 3061.04 6210.00 3820.01 1539.03 Please sign and return to: Atlas Wireline Services 5600 B Street Suite 201 Anchorage, AK 99518 Attn. Rodney D. Paulson Received by: Please si~ ~d retuz~n to: Petrotec~ical Data Center BP ~loration (Alaska) 900 East Benson Boulevard ~choraEe, ~ka 99508 Received by Date ALASKA OIL & GAS CONSERVATION COMMISSION Attn. LARRY GRANT 3001 PORCUPINE DR. ANCHORAGE AK, 99501. USA Date: 2 June 1994 RE: Transmittal of Data ECC ~: 6210.00 Sent by: U.S. MAIL Data: LDWG Dear Sir/Madam, Reference: BP X-20 NORTH SLOPE, AK Enclosed, please find the data as described below: Prints/Films: Prints/Films: /~HC/AL/GR FINAL BL /SSVD FINAL BL /IFL FINAL BL BHC/AL/GR RF SEPIA SSVD RF SEPIA DIFL/GR/SP RF SEPIA Run # 1 Run # Run # 1 Run ~ 1 Run # 1 Run # 1 Please sign and return to: Atlas Wireline Services 5600 B Street Suite 201 Anchorage, AK 99518 Attn. Rodney D. Paulson Received by: Date: RECEIVED dUN 0 8 1994 Alaska Oil & Gas Cons. Please sign and return to: Petrotechnical Data Center BP Exploration (Alaska) 900 East Benson Boulevard Anchorage, Alaska 99508 Received by" Da~e BAKER HUGHES/NTEQ X-20 PH SURVEYS COMMENTS EMS SURVEY: 10,955' - 11385' Projected Data - No Survey BP EXPLORATION (Alaska) Inc. Pad X 20PR stot #20 Prudhoe Bay North Slope, Alaska SURVEY LISTING by Baker Hughes INTEQ Your ref : ENS <10955 - 11385'> Our ref : svy442g License : Date printed : 13-Jun-94 Date created : 2-Jun-94 Last revised : 13-Jun-94 Field is centred on 708179.340,5930615.440,999.00000,N Structure is centred on n70 14 33.605,w148 39 36.642 Slot location is n70 14 37.036,w148 39 33.681 Slot Grid coordinates are N 5940480.160, E 665977.693 Slot local coordinates are 348.86 N 101.85 E Reference North is True North BP EXPLORATION (Alaska) Inc. Pad X,2OPH Prudhoe Bay,North Slope, Alaska SURVEY LISTING Page 1 Your ref : EMS <10955 - 11385'> Last revised : 13-Jun-94 Measured IncLin. Azimuth True Vert. R E C T A N G U L A R Dogleg Vert Depth Degrees Degrees Depth 10900.00 57.20 235.10 8895.10 10955.00 57.50 234.55 8924.78 10985.00 55.67 235.37 8941.30 11016.00 54.77 233.65 8958.98 11108.00 53.65 233.53 9012.78 11201.00 53.10 233.50 9068.26 11294.00 52.24 236°00 9124.66 11335.00 52.00 235.88 9149.84 11385.00 52.00 235.8~ 9180.62 C 0 0 R D I N A T E S Deg/lOOFt Sect 4290.14 S 3736.74 4316.81 S 3774.59 4331.19 S 3795.09 4345.97 S 3815.82 4390.26 S 3875.88 4434.64 S 3935.89 4477.33 S 3996.27 4495.45 S 4023.08 4517.55 S 4055.70 3.29 5485.48 TIE FROM PREVIOUS M~D SURVEY 1.00 5531.77 6.51 5556.80 5.40 5582.25 1.22 5656.78 0.59 5731.32 2.33 5805.23 0.63 5837.59 0.00 5876.99 Projected Data - NO SURVEY Alt data is in feet un[ess otherwise stated Coordinates from slot #20 and TVD from wet[head (68.80 Ft above mean sea level). Vertical section is from wet[head on azimuth 236.44 degrees. Declination is 0.00 degrees, Convergence is 1.26 degrees. Calculation uses the minimum curvature method. Presented by Baker Hughes INTEQ BP EXPLORATION (Alaska) Inc. SURVEY LISTING Page 2 Pad X,2OPH Your ref : EMS <10955 - 11385'> Prudhoe Bay,North Slope, Alaska Last revised : 13-Jun-94 Con~}ents in we[tpath MD TVD Rectangular Coords. Conm~nt 10900.00 8895.10 4290.14 S 3736.74 W TIE FROM PREVIOUS M~/D SURVEY 11385.00 9180.62 4517.55 S 4055.70 W Projected Data - NO SURVEY All data is in feet un[ess otherwise stated Coordinates from slot #20 and ?VD from wellhead (68.80 Ft above mean sea [eve[). Bottom hole distance is 6070.99 on azimuth 221.92 degrees from wellhead. Vertical section is from wellhead on azimuth 236.44 degrees. Declination is 0.00 degrees, Convergence is 1.26 degrees. Calculation uses the minimum curvature method. Presented by Baker Hughes INTEQ . EMORANDU_M State o[Aiaska Alaska Oil and Gas ~ I aservatmn Commission TO: THRU: David Joh~o~, Chai~ Blair Wondzell P. I. Supervisor FROM: Bobby Foste~'~ SUBJECT: Petroleum Ins~iS-ector DATE: May 27, 1994 FILE NO: QJNIE1BD.doo Rig Inspection - Nabors 18E BPX - PBU ~ X-20 Prudhoe Bay Field Friday, May 27, .1994: I traveled this date to Nabors 18-E and did a walk -thru inspection of the rig after ! had contacted Dave Bumgartner, BPX rep., notifying him 1 was going to do the inspection. The reason for the notification was to inform Dave that I would like to like to bring Steve Schmitz, Department of Oil and Gas inspector with me. Dave said that it would be OKfor Steve to accompany me on the tour. I conducted the inspection and explained the workings of the components of the rig and their functions while drilling and completing a well. Steve ask questions about several items and I explained them to him. Steve said he under stood a lot more about the equippment when we were finished. We found the rig very clean, orderly and all the equipment seemed to be in good working order. The location was clean and the excess equipment stored properly with good access to all areas of the rig. Summary: I made a walk-thru inspection of Nabors 18-E drilling BPX's x-20. The rig was in very good shape. Attachment: QJNIEIBD.XLS STATE OF ALASKA I ALASKA OIL AND GAS CONSERVATION COMMISSION RIG I BPS INSPECTION REPORT OPERATION: Drilling X Workover . Cmpl. __ UIC Well Name: X-20 Drig Contr: NA, B, ORS PJg No. 18-E Rep. Operator: BPX Rep. DAVE BUMGARTNER Location: Section 5 T. 10 N R. ,14 E M. U DATE: MAY 27,1994 PTD~ 94-67 BILL BIXBY Rig Ph.# 6~{):4608 fig w. kg press press rams MUD SYSTEM gas separator chke & kill Ln. HCR valves (chke & kill In.) Manual valves (chke & kilt Ln.) Conneofions (Flgd, Whd, Clamped Flow monitor CLOSING UNIT ~ressure Pressure gauges Choke line connections ~ tank Kelly cocks i lower, IBOP) Floor valves ball, ect.) floor valve wrenches Drillers console (flow monitor, rate indicator, i level gauges) Jla-to-date detection monitors & methane) choke panel manifold Regulator bypass (actuators) rams handle cover panel panel power source Reserve Personnel choke lines) equip, avail. Trained For Procedures probes REMARKS: RECORDS: ...... Date of Last Rig / BPS Inspection Resulting Non-Compliance Items: Non-Compliance not corrected & Reason: Date Corrections Will Be Completed: BOP Test & Results Properly Entered O'n Daily ReCord? Date of Last BOP Test MAY3,94. 94 NONE Kill Sheet Current?. Distribution: orig - Well File e - Oper./Rig c - Database c - Trip Rp~ File c - Inspector AOGCC REP: OPERATOR REP: FI-022 (Rev. 3~93) BOBBY D. FOSTER DAVE BURGARTNER QJNIEIBD.XLS MEMORANDIJ, StateI Alaska Alaska Oil and Gas Conservation Commission TO: THRU: FROM: David Jo~ Chairma~q.--.>'-' DATE: May 16, 1994 Blair Wondzell,~'J2~u:' FILE NO: P. I. Supervisor ~u Grimaldi, co~-" SUBJECT: Petroleum Inspector QJNJEPBD.DOC Rig/BOPE inspection Nabors18E BPX well # X-20 PrudhoeBayField PTD #94-67 Monday, May 16, 1994: I traveled to BPX X pad to make a Rig Bope inspection on Nabors rig # 18-E. The rig was drilling ahead. A walk through showed all BOP equipment to be in apparent good condition and in place with the exception of the kill line which was dis- connected from the stack. I pointed this out to Don Dubois who immediately had it connected and assured me that it was standard policy now that the line be connected at all times and had been taken off for yesterdays BOP test. The area surrounding the rig was neat and provided good access. Summary: I made a Rig/BOPE inspection on Nabors rig 18-E. Attachment: QJNJEPBD.XLS ~ STATE OF ALASKA .~. ALASK~ )IL AND GAS CONSERVATION CC ! ii/IISSION RIG / BPS INSPECTION REPORT OPERATION: Drilling X Workover ~Compl. UIC DATE: 5/16/94 Well Name X-20 PTD# 94-67 Drig Contractor Nabors Rig# 18-E Rep. Don Dubois Operator: BPX Rep. Dave Bum~larner Rig Ph.# 659-4608 Location: Section 5 T. 10N R. 14E M. U INSPECTION ITEMS IN COMPLIANCE INSPECTION ITEMS IN COMPLIANCE (A.) B.O.P. STACK YES NO NIA {C.I MUD SYSTEM YES NO N/A 1 Wellhead fig wkg press X 29 Pit level floats installed X 2 Stackwkg press X 30 Flow rate sensor X 3 Annular preventer X 31 Mud gas separator X 4 Pipe rams X 32 Degasser X 5 Blind rams X 33 Separator bypass X 6 Stack anchored X 34 Gas sensors X 7 Chke/kill line size X 35 Choke line connections X 8 All turns targeted ( chke & kill Ln.) X 36 Trip tank X 9 HCR valves (chke & kill Ln.) X INSPECTION ITEMS IN COMPLIANCE 10 Manual valves (chke & kill Ln.) X (D.) RIG FLOOR YES NO NIA 11 Connections (Flgd, Whd, Clamped X 37 Kelly cocks (upper, lower, IBOP) X 12 Drilling spool X 38 Floor valves (dart, ball, ect.) X 13 Flow Nipple X 39, Kelly & floor valve wrenches X 14 Flow monitor X 401 Drillers console (flow monitor, X 15 Control lines fire protected X flow rate indicator, pit level X INSPECTION ITEMS IN COMPLIANCE indicators, gauges) X (B.) CLOSING UNIT YES NO NIA 41 Killsheet up-to-date X 16 Working pressure X 42 Gas detection monitors X 17 Fluid level X (H2S & methane) N/A 18 Operating pressure X 43 Hydraulic choke panel X 19 Pressure gauges X 44 Choke manifold X 20 Sufficient valves X INSPECTION ITEMS IN COMPLIANCE 21 Regulator bypass X (E.) MISC. EQUIPMENT YES NO NIA 22 4-way valves (actuators) X 45 Flare/vent line X 23 Blind rams handle cover X 46 All turns targeted X 24 Driller control panel X downstream choke lines) X 25 Remote control panel X 47 Reserve pit tankage X 26 Firewall X 48 Personnel protective equip, avail. X 27 Nitrogen power source (backup) X 49 ~,11 Drillsite Supervisors Trained X 28 Condition (leaks, hoses, ect.) X For Procedures X 50 H2S probes X 51 Rig housekeeping X REMARKS: Kill line disconnected. Ri~i in ~lood shape RECORDS: Date of Last Rig / BPS Inspection 2/18194 Date of Last BOP Test Resulting Non-Compliance Items: Non-Compliance not corrected & Reason: Date Corrections Will Be Completed: BOP Test & Results Properly Entered On Daily Record? Yes 5/15/94 Kill Sheet Current? Yes Distribution: orig - Well File c - Oper./Rig c - Database c - Trip Rpt File c - Inspector AOGCC REP Louis R. Grimaldi OPERATOR REP: QJNJEPBD.XLS (Rev. 12/92) ALASKA OIL AND GAS · CONSERVATION COMMISSION WALTER J, HICKEL, GOVERNOR 3001 PORCUPINE DRIVE ANCHORAGE, ALASKA 99501-3192 PHONE: (907) 279-1433 TELECOPY: (907) 276-7542 April 29, 1994 Terry Jordan Drilling Engineer Supervisor BP Exploration (Alaska), Inc. P O Box 196612 Anchorage, AK 99519-6612 Re: Prudhoe Bay Unit X-20 BP Exploration (Alaska), Inc. Permit No: 94-67 Sur. Loc. 349'NSL, 5177'WEL, Sec. 5, T10N, R14E, UM Btmhole Loc. 89'NSL, 340'WEL, Sec. 12, T10N, R13E, UM Dear Mr. Jordan: Enclosed is the approved application for permit to drill the above referenced well. The permit to drill does not exempt you from obtaining additional permits required by law from other governmental agencies, and does not authorize conducting drilling operations until all other required permitting determinations are made. The blowout prevention equipment (BOPE) must be tested in accordance with 20 AAC 25.035; and the mechanical integrity (MI) of the injection wells must be demonstrated under 20 AAC 25.412 and 20 25.030(g)(3). Sufficient notice (approximately 24 hours) of the MI test before operation, and of the BOPE test performed before drilling below the surface casing shoe, must be given so that a representative of the Commission may witness the tests. Notice may be given by contacting the Commission petroleum field inspector on the North Slope pager at 659-3607. BY ORDER OF THE COMMISSION dlf/Enclosures cc: Department of Fish & Game, Habitat Section w/o encl. Department of Environmental Conservation w/o encl. STATE OF ALASKA ,1"!m ALASKA OIL AND GAS CONSERVATION COMMISSION PERMIT TO DRILL 20 AAC 25.005 la. Type of work Drill [] RedrillE3 lb. Type of well. Exploratory[] Stratigraphic Test [] Development OiI F-I Re-Entry [] Deepen [] Service [] Development Gas [] Single Zone [] Multiple Zone [] 2. Name of Operator 5. Datum Elevation (DF or KB) 10. Field and Pool BP Exploration KBE = 68' feet Prudhoe Bay Field/Prudhoe 3, Address 6, property Designation Bay Pool P. O. Box 196612. Anchoraae. Alaska 99519-6612 ADL 47472 4. Location of well at surface 7. Unit or property Name 11. Type Bond(see 20 ^^c 25.025 349' NSL, 5177' WEL, SEC. 5, TION, R14E Prudhoe Ba,v Unit At top of productive interval :8, Well number Number 1070' NSL, 3920' WEL, SEC. 7, TION, R14E X-20 (44-12-10-13) 2S 100302630-277 At total depth ;). Approximate spud date Amount 89' NSL, 340' WEL, SEC. 12, TION, R13E 4/30/94 $200,000.00 12. Distance to nearest 13. Distance to nearest welt 14. Number of acres in property 15. Proposed depth(MO~,d~'VD) property line ADL28313-340' feet X-O5-56'@2431'MD feet 2560 13082'MD/8987'TVD feet 16. To be completed for deviated wells 17. Anticipated pressure (see 20 ,&AC 25.o35 (e)(2)) Kickoff depth ¢oo feet Maximum hole anglego, z~ 0 Maximum surface 3330 psig Al IOlal depth (TVD) 8800'/4390 psig 18. Casing program Setting Depth s~ze Specifications Top Bottom Quantity of cement Hole Casing Weight Grade Coupling Length MD TVD MD TVD (include stage data) 30" 20" 91.5# H-40 Weld 80' 30' 30' 110' 110' 260 sx Arcticset (Approx.) 13-1/2" 10-3/4" 45.5# NT8OLHE BTC 3495' 30' 30' 3538' 3143' 1150sxCSIIE320sx"G"/250sxCSII 9'7/8" 7'5/8" 29. 7# NT95HS NSCC 10978' 30" 30' 10928' 8914' 265 sx Class "G" 6-3/4" 4-1/2" 12.6# ~3cReo NSCT 1504" 10778' 8836' · 12282" 8997' 280 sx Class "G" 6-3/4" 4-1/2" 12.6# 13CR80 NSCT 800' 12282' 8997' 13082' 8987' Slotted liner 19. To be completed for Redrill, Re-entry, and Deepen Operations. Present well condition summary Total depth: measured feet Plugs (measured) true vertical feet Effective depth: measured feet Junk (measured) true vertical feet Casing Length Size Cemented Measured depth True Vertical depth Structural Conductor Surface Intermediate Production Liner J~)~ '~-~- Perforation depth: measured [~!~s~ 0[~ & Gas 6o~s. 60m~iss~oQ true vertical " 20. Attachments Filing fee [] Property plat [] BOP Sketch [] Diverter Sketch [] Drilling program [] Drilling fluid program E] Time vs depth plot [] Refraction analysis [] Seabed report[] 20 AAC 25.050 requirementsE3 21. I hereby certify that the. ~,oregoing is true and correct to the best of my knowledge ~ Signed ~ /,~'~ Title Drilling En~lineer Supervisor Date · ~ ,...,/ Commission Use Only ' Permit Number IAPI number IApproval date JSee cover letter 50 o~-.. ~_ 2_ ~/ , ?rC--/'~ J50- O~?-- ?? I "¢~¢2~'-- ?¢ Jfor other requirements Conditions of approval Samples required E] Yes ,J~ No Mud log required []Yes ,{~ No Hydrogen sulfide measures [] Yes ]~{] No Directional survey required ~ Yes [] No Required working pressure for BOPE ~]2M; 1-13M; J~5M; E]10M; F-I15M; Other: Original Signed By by order of Approved by David W. Johnston Commissioner me comm.ssion Date'/7~---;,~/4'~/ Form 10-401 Rev. 12-1-85 Submit in triplicate [Well Name: IX- 20i Well Plan Summary Type of Well (producer or injector): I Water Injector (Horizontal: Pre produced) Surface Location: 349' FSL 5177' FEL S05 T10N R14E UM T~ Location: 1070' FSL 3920'FEL S07 T10N R14E UM Bottom Hole Location: 89' FSL 340' FEL S12 T10N R13E UM I AFENumber: [ 4P0569 [ I Estimated Start Date: [ 4/30/94 [MD: I 13082' [ [ Rig: I Nabors 18E [ Operating days to complete: [ 30 [TVD: [8987' [ [KBE: Well Design (conventional, slimhole, etc.): [ Slimhole Horizontal Injector Well FormatiOn Markers: Formation Tops MD TVD (BKB) Comments Base Permafrost 1940' 1847' Ugnu Zone 4A 5038' 4342' Top of Seabee 7258' 6117' IKRU/LCU 9509' 7917' Top of Sag River 10928' 8914' Top of Shublik 10970' 8934' Top Sad. Z4/4B 11246' 9007' TD 13082' 8987' Casing/Tubing !'rogram: Csg/ Wt/Ft Hole Size' Csg/ - Wt2irt Grade Conn Length Top Btm Tbg O.D. MD/TVD MD/TVD 30" 20" 91.54/ H-40 Weld 80' 30'/30' 11071 iff 13-1/2" 10~3/4" 45.5# NT-80LHE BTC 3508' 30'/30' 3538'/3143' 9-7/8" %5/8" 29.7// NT-95HS NSCC 10898' 30'/30' 10928'/8914' 6-3/4" 4-1/2" 12.6// 13Cr-80 NSCT 1504' 10778'/8836' 12282'/8997' 6-3/4" 4-1/2" 12.6g 13Cr-80 NSCT 800' 12282'/8997' 13082'/8987' Slotted liner 4-1/2" 12.6// 13Cr-80 NSCT 10698' D ~q~20'l ~! F~)728'/8808' API:~ 22 1994. & Gas Cors Commission Anchorage Logging Pro Open Hole Logs: [ Cased Hole Logs: ram: Pilot Hole: MWD: GR/Resistivity Optional (Pilot Hole): GR/DIL/BHCS/SP 6-3/4" Horizontal Hole: MWD: GR SBT Mud Program: Special design considerations [ Planned to use Xanvis mud in the 6-3/4" horizontal section Surface Mud Properties: [ Spud Mud Density Marsh Yield 10 sec 10 min pH Fluid (PPG) Viscosity Point gel gel Loss 8.5 250 40 30 60 9 <200 to to to to to to to 9.5 300 60 60 80 10 <200 Intermediate Mud Properties: I LSND WBM Density Marsh Yield 10 sec 10 rain pH Fluid (PPG) Viscosity Point gel gel Loss 8.7 30 10 5 10 9.5 15 to to to to to to to 10.2 60 15 10 20 10 25 Production Mud Properties: [ Flo-Pro Xanvis Pol',mer Mud Density Marsh Yield 10 sec 10 min pH Fluid (PPG) Viscosity Point gel gel Loss 8.8 50 30 18 20 8 6 to to to to to to to 9.2 60 50 23 30 9 8 Well Control: Well control equipment consisting of 5000 psi W.P. pipe rams, blind rams, and annular preventer will be installed and is capable of handling maximum potential surface pressures. Diverter, BOPE and drilling fluid system schematics on file with AOGCC. Directional: [KOP: 1500' [ Maximuin Hole Angle: 90.71 Close Approach Well: X-04 (68' away at 2371' MD) and X-05 (56' away at 2431' MD) and X-22 (67' away at 2468') The above listed wells will be secured during the close approach. R ~ C E ! V E D APl'2 2 2 1994 Oil & Gas Cons. Cormission Anchorage PROPOSED DRILLING AND COMPLETION PROGRAM WELL X-20i [ 44-12-10-13 1 PBU MIRU. NU diverter and function test same. Drill 13-1/2" hOle to TT4/SV3 marker below base of Permafrost. Run and cement 10-3/4", 45.5#, NT-80LHE BTC casing to surface. Install blowout prevention equipment consisting of 5000 psi W.P. pipe rams, blind rams, and annular preventer. Maximum possible bottomhole pressure is 4390 psi at 8800' TVDss based on original reservoir pressure. Maximum possible surface pressure is 3330 psi based on a gas column to surface from 8600' TVDss and an oil column to 8800' TVDss. A formation leak-off test will be performed 10' below the 10-3/4" shoe. Directionally drill 9-7/8" hole section with a 9-7/8" pilot hole through the Sag River and Sadlerochit formations. Run E-line logs if necessary: GR/DIL/BHCS/SP. If [he.logging results are good, plug back the pilot hole the Top of Sag River and set the 7-5/8" casing above the top of Sag River. Run a 7-5/8", 29.7 #, NT-95S, NSCC casing string to within 10' of 9-7/8" plugback TD and cement with Class G cement around the %5/8" shoe. Test 7-5/8" casing to 3500 psi before drilling out the shoe. The annulus will be freeze protected by dead crude oil. Kick off and directionally drill approximately 180ff of 6-3/4" horizontal hole section with MWD/GR tools. Run 4-1/2", 13Cr solid by slotted liner from TD to 150' inside 7-5/8" casing shoe and cement solid 4-1/2" liner with Class G cement around shoe. Clean out to 4-1/2" slotted liner float equipment. Change over to NaCI completion fluid. Run 7-5/8" production packer on the 4-1/2" tubing. Space out the packer at 50' above top of slotted liner. A subsurface safety valve with dual control lines will be placed 100' below base of permafrost. Install and test Xmas tree. Set and test packer. Freeze protect the tubing and annulus with Diesel from surface to 2100' TVDBKB: Fluids incidental to the drilling of a well will be injected to CC-2A. Tubing Size: 4-1/2", 12.6 # NT13CR-80 tubing with 6 GLM's. RECEIVED APR 2 2 1994 Alaska 0il & Gas Cons. Commission Anchorage CASING SIZE: 10-3/4" 10-3/4" SURFACE CASING CEMENT PROGRAM - BJ SERVICES CIRC. TEMP: 38°F PREFLUSH: 50 bbls fresh water ahead of lead slurry. LEAD CEMENT TYPE: COLD SET III ADDITIVES: retarder WEIGHT: 12.2 ppg YIELD: 1.92 ft3/sx APPROX. # SACKS: 1150 MIX WATER: 10.53 gps THICKENING TIME: Greater than 4 hrs. @ 50°F TAIL CEMENT TYPE: CLASS G ADDITIVES: 2% A-7 +1 ghs FP-6L WEIGHT: 15.8 ppg YIELD: APPROX. # SACKS: 320 1.15 ft3/sx MIX WATER: 4.95 gps THICKENING TIME: Greater than 3-1/2 hrs @ 50°F TOP JOB CEMENT TYPE: COLD SET II ADDITIVES: WEIGHT: 14.5 ppg YIELD: 0.96 ft3/sx MIX WATER: 3.89 gps APPROX. # SACKS: 250 THICKENING TIME: Greater than 2 hrs @ 50°F CENTRALIZER PLACEMENT: 1. Run 1 bow type centralizer per joint for the first 25 joints. 2. Place the centralizers in the middle of each joint with a stop collar. CEMENT VOLUME: 1. Lead slurry from TD to surface w/100% excess (less the tail slurry volume). 2. Tail slurry volume 320 sx (to cover 500' of casing shoe w/100% excess). 3. Top job volume 250 sx. RECEIVED APR .2. 2 1994 /~las?,a 0il & Gas Cons. Commission Anchorage 7-5/8" INTERMEDIATE CASING CEMENT PROGRAM - BJ SERVICES CASING SIZE: %5/8" CIRC. TEMP: PREFLUSH: 20 bbls fresh water SPACER: 50 bbls BJ MCS-4 Spacer weighted at current mud weight. 140°F CEMENT TYPE: CLASS G ADDITIVES: 0.3% FL-52 + 0.5% CD-32 + 0.1% A-2 + 1 ghs FP-6L WEIGHT: 15.8 ppg APPROX. # SACKS: 265 FLUID LOSS: YIELD: 1.14 ft3/sx MIX WATER: 4.85 gps THICKENING TIME: 3-1/2 to 4-1/2 hrs 100-150 cc/30 minutes FREE WATER: 0 cc CENTRALIZER PLACEMENT: 1. Run 1 Turbulator centralizer per joint on the bottom 500' of 7-5/8" casing (12 required ). 2. Run 1 solid body 7-3/4" x 9-1/4" centralizer or turbolator on fzrst 2 joints inside 10-3/4" surface casing shoe. OTHER CONSIDERATIONS: Perfomi lab tests on mixed cement/spacer/mud program and ensure compatibility prior to pumping job. Ensure thickening times are adequate relative to pumping job requirement. Displace at 12 bpm. Mix slurry on the fly - batch mix is not necessary_. CEMENT VOLUME: 1. Slurry to 1000' MD above casing shoe with 30% excess. 2. 80' MD 7-5/8", 29.7# capacity for float joints. Note: No hydrocarbon bearing zones are identified in the Cretaceous interval. RECEIVED APIR 22 1994 ,..,l,a Oti a Gas Cons. Commission Anchorage 4-1/2" PRODUCTION LINER CEMENT PROGRAM - BJ SERVICES CIRC. TEMP: 140° F PREFLUSH: 20 bbls fresh water SPACER: 70 bbls BJ MCS-4 Spacer weighted 1.0 ppg above mud weight. BHST: 220° F at 8800' TVDSS. CEMENT TYPE: CLASS G ADDITIVES: 150 ghs BA-86L + 0.6% CD-32 + 0.2% FL-33 + 0.2% A-2 + 0.5% gel + 2 ghs FP-10L WEIGHT: 15.7 ppg YIELD: 1.17 ft3/sx MIX WATER: 3.58 gps APPROX. # SACKS: 280 THICKENING TIME: 45 min. @ Surface + 3-4 hrs @ 140°F FLUID LOSS: less than 50 cc/30 minutes @ 140°F FREE WATER: 0 cc at 45° angle. NOTE: Ensure that a thickening time test is performed that simulates the shut down time incurred while rotating off of the liner. Note gellation tendencies ( if any ) of slurry when consistometer is re-started after shutdown period - additional retarder may be required - consult w/cementer. CENTRALIZER PLACEMENT: 1. Run 2 right hand turbolators per joint in open hole, 2. Run 1 right hand turbulator per joint in lap, and none opposite intermediate casing shoe.. OTHER CONSIDERATIONS: Batch mix the cement slurry. Perform fluid loss test on the batch mixed slurry. Fluid loss should be 50 cc/30 min. or less. Report actual fluid loss on morning report. Displace @ 6-8 bpm. LINER CEMENT VOLUME: 1. Open hole (6-3/4" X 4-1/2") + 30% excess (adjust if a caliper log is run and it indicates severe washouts). 2. 4-1/2", 12.6# casing capacity below landing collar (80'). 3. 150' liner lap (6.875" x 4-1/2") 4. 200' of cement on top of the liner in the 7-5/8" casing. RECEIVED APR 2 2 1,094 i,,l~.ska 0il & Gas Cons. Commission Anchorage PRUDHOE BAY DRT_LLZN6 6RouP X-20 (P~). PILOT HOLE VERTICAL SECTION ViEW Section at; 236.44 TVO Scale · ~ Jncn: ;200 feet i<KB> o- ~ Oep Scale ' J inch : J200 feet j I Orawfl .... · 04/2i/94 600 ...... ~ ; ...... i IAnsdr.i}J SchJumbscger I I Narker loenlifJcal~on MO 8K8 SECTN ]NCLN ~200 := ~ ~ j A) KB 0 0 0 0.00 J 8) KOP/BU]LD 2.5/~00 500 bOO -0 0.00 --.~~'z j C) CURVE 2.5/~00 2000 tBg5 234 32.50 ~BO0- J--~=" z ........ =;T~F'~J ~E~T -~m' g) ENO 2.5/~00 CURVE 3~8G 2962 774 35.9J El 10-3/4" CASING POINT 3538 3543 902 36.RS F) CURVE 2.5/i00 g950 6270 4770 36.~ ' G) 7-5/8' CASING POINI 1092~ 8~4 5493 60.,4 2400~ XJ ~ H) DROP 2/5/~00 ~09~'8 Egl4 5493 50.,4 ~'I' D ENO 2.5/I00 DROP 1~235 90B5 5750 52,43 J} ~O 1J388 g~77 5869 5~.~3 3000 .... j ........... 8000 ~ ' : '~ , I " ~ " : , ' , ' ' ' ~ N i ' ~,..,, ,, ~ 2 i~9~" 7800 , ~ .............. ' -~00 -500 0 SO0 1200 JSO0 ~00 3000 3600 4~00 4800 5&O0 6000 6600 Section PRUDHOFf BAY DRILLINI3 GF:IOUP Marker Identification MD N/S E/W A) KB 0 0 0 B) KOP/BUILD 2.5/100 500 0 0 C) CURVE 2.5/~00 ?000 472 33 O) END 2,5/100 CURVE 3186 1094 204 E) ~0-3/~' CASING ?OINT 3538 !240 356 F) CURVE 2.5/~00 9950 39~1 3129 G) 7-5/6' CASING POINT 10928 4356 3703 H) DROP 2/5/~00 10928 4356 3703 I) ENO 2.5/100 DR~P 11236 4497 3915 j) TD 11386 4563 40~5 <i lx-2o Pi'LOT HOLE I PLAN VIEW 'CLOSURE ..... ; 6078 feet ab Azimuth 22~.35 DECLINATION.' 29,BJ5 E SCALE. ' ~ inch : 800 feet DRAWN. ' 04/2~/94 Anad/'2'22 SohYumberger , , ,, Ii R EEEIV D !' i ............. I t ......... ,[' :~1~ ",~ ~ i ......, ; F 195 i~ ~ i i I '~ .... Oil &At~cfTorage(~a~ Cons. O: nm/ssion 4800 4400 4000 3600 3200 2800 2400 2000 1600 J~O0 800 400 0 <- WEST' EAST -> ~,~il] {~9~ ~O211P/ 8).52 4:.07 ~ ~ ; . ...-,. ~:¢ .... : ' :. Hr &--Zi--i'~'~q l~ HRUM HNHD~I LL TO PBD ENGINEERS P.06 - PRUDHOE BAY DRILLINGGRO"UP A) KB 0 0 0 ' ~o./~L~.~/~oo ~oo o o ~ PLAN VIEW ENO 2,5/~00 CURVE 3~86 i094 204 ii ~0-3/4" CASING POINf 3538 1840 356 CLOSURE ..... : 6078 feet ab Azimuth F) CURVE 2.5/~00 9950 BgJI 3189 I !DECLINATION.: 29.8J5 G~ 7-5/8" CASIN6 POINT 10928 4356 370~ DROP 2/5/~00 ~092e 4356 3703 SCALE. · ~ inch = 800 feet d~ TD H~86 4563 ~0~5 DRA~N, AnaCJ]] Schlumberger ,~ ..... .......... [ 5 ................. ~ : 2400 -- ' .................... ........ T: CECEiVE~) ....... ~oo ~ : i ~ 4000 .~ .................... A~a~ ~il & Gas:OHS. commission ; j ..... Ancl,orago .[ .... I mJ I 5800 4800 4400 4000 3600 3~00 8800 ~400 2000 ]600 2200 80o 400 0 PRUDHOE BAY DRZLLZNG GROUP Marker IdentHtcation ~ 8K8 5ECIN INBLN A] 7-5/8" CA~IN6 POINI t092~ 6914 5493 60.14 8] TIE-IN/BUILD B/]OO i0928 8914 5493 60.14 £] ....... 1AI~ET ....... l~3tO 900§ 5059 90.71 O] f0 13082 8987 763J 90.7~ ~na#rJ] ] Schlumberger X-20 (Pti) HORIZONTAL VERTICAL SECIION VIEW Ssction at: 236.44 TVO Scale.: J inch : 300 feet Oep Scale.: ~ inch = 300 feet Brawn ..... ; 04/2~/94 52.00 5550 5500 5650 (,Ri!cdr t]l Ici§] ::.0PllllD 8~.5~ ..45 P.q II 5800 5~50 BJOD 6250 5400 6558 8700 6850 7000 7J50 7300 7450 7600 7750 7900 Section Departuro WELL PERMIT CHECKLIST FOOL ~..,,~ M~/'' GEOL ~ . _ ADMINISTRATION APPR ENGINEERING GEOLOGY 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 drlg 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. CMTvol 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 abndnmnt been approved. 22. Adequate wellbore separation proposed ......... 23. If diverter required, is it adequate .......... 24. Drilling fluid program schematic & equip llst adequate 25. BOPEs adequate ..................... 26. BOPE press rating adequate; test'to ~ psig.~ 27. Choke manifold complies w/API P~-53 (F~y 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 31. Da~a presented on potential overpressure zoaen ..... 32. Seismic analysis ,of shallow gas zones .......... 33. Seabed condition survey (if off-shore) ........ 34. Contact n~e/phone for weekly progress reports .... /. Y N [ ~lorato~ onl~] GEOLOGY: ENGINEERING: COMMISSION: EEW DWJ C~m~ents/Instruetions: Z HOW'/jo - A:%FO RMS~ch eklist rev 0W94 Well History File APPENDIX Information of detailed nature that is not particularly germane to the Well Permitting Process but is part of the history file. To improve the readability of the Well History file and to simplify finding infoimation, infom~ation 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. GRAX GRAO GRBX GRCX GRCO GREX GRIX HTFX ROPA ROPS RPMS TCDX TVD WBCS Note: BELOW ARE THE MNEMONICS THAT CAN BE FOUND ON THE LIS TAPE GENERATED FOR BP EXPLORATION X-20 NC Gamma Ray K Corrected [MWD] Gamma Ray Original [MWD] Gamma Ray Base [MVVD] Gamma Ray Borehole Corrected, K Corrected [MWD] Gamma Ray Borehole Corrected, Original [MWD] Gamma Ray Time Since Drilled [MWD] Gamma Ray Data Density Integrated [MWD] High Side Tool Face Rate of Penetration Averaged Rate of Penetration Surface RPM CDS Temperature [MWD] True Vertical Depth Surface Weight On Bit MWD is Measurement While Drilling MWD-API MWD-API cps or cput MWD-API MWD~API mins pts ft/hr fi/hr rev/mins deg F ff ldbs Copyright 1987,1988,1989,1990,1991 By WESTERN ATLAS INTERNATIONAL, INC. All rights reserved. PROGRAM: TAPESCAN REVISION: 2.64 Start of execution: Mon 18 JLY 94 2:21p != = ECHOING INPUT PARAMETERS ........... INPUT PARAMETER FILE: TAPESCAN.INP I 2 3 4 5 6 7 123456789012345678901234567890123456789012345678901234567890123456789012 1 AUTOCURV = 0 , ! Automatic Curve renaming: O=OFF, 1 --ON 2 AUTOFILE = 0 , I Automatic FILE= generation: O=OFF, I=ON 3 COMMENTS = 1 , I Decode US Comment records: O=OFF, I=ON 4 INFORECS = I , I Decode LIS Information records: O=NO, I=YES 5 LISTMETHOD = 0 , I Usting Method: O=depth units 1=tape units 6 LISTFREQ = 50, I Ustlng Frequency: Every n units 7 LISTMAX = 0 , I LIsting Maximum (O=no limit, value=list limit) 8 STATS = 0 , I Statistics generation: O=OFF,1 =ON 9 FORCETYP = 0 , I (1 = BIT,2 = US ... thru 35 =Array Accoustic) (see table) 10 WRITEASCll = 0 , I If 1, all ascii files will be written (fileOOOl.dat,etc.) 11 WRITETAP = I , I Write Tape-Image File: O=NO,1 =YES 12 SPLITMS = 1 , ! If I and WRITETAP on, split LIS logical files to physical 13 SUBFILES = /0/, ! Tape Subtile write selection (WRITETAP must be on) 14 INTERPOLATE='YES' ~ Set up for TAPE2WDS to interpolate datums ('YES'or'NO') 15 END != = USER INPUT PARAMETERS ...... AUTOCURV = 0 , AUTOFILE = 0 , COMMENTS = I , INFORECS = 1 , LISTMETHOD = 0 , LISTFREQ = 50, LISTMAX = O, STATS = O, FORCETYP = 0 , WRITEASCll = 0 , WRITETAP = 1 , SPLITLIS = 1 , SUBFILES = /0/, INTERPOLATE ='YES' END PROCESSING INTERVAL FROM 0,000 TO 0.000 ............. !-- CONSTANT PARAMETERS ....................................... AUTOCURV= O,O00000E+O0 AUTOFILE= O,O00000E+O0 COMMENTS= 1,00000 FORCETYP= O,O00000E+O0 INFORECS= 1,00000 LISTFREQ= 50,0000 LISTMAX = O,O00000E+O0 LISTMETH= O,O00000E+O0 SELFTEST= O,O00000E+O0 SPLITLIS= 1,00000 STATS = O,O00000E+O0 WRITEASC= O,O00000E+O0 WRITETAP= 1,00000 dpcoef = 1,00000 dpcte = 1,00000 ddength= O,O00000E+O0 Ilstwave= O,O00000E+O0 maxrecln= O,O00000E+O0 minrecln= O,O00000E+O0 nsampies= O,O00000E+O0 numcurvs= O,O00000E+O0 numdatar= O,O00000E+O0 numrecfl= O,O00000E+O0 ffendep = O,O00000E+O0 fflevsp = O,O00000E+O0 ffstdep = O,O00000E+O0 wcrbot = O,O00000E+O0 wcdevsp= O,O00000E+O0 wcrtop = O,O00000E+O0 !-. ARRAY PARAMETERS .......................................... ! SUBFILES(1) = O.O00000E+O0 SUBFILES(3) =-9999.00 SUBFILES(5) =-9999.00 SUBFILES(7) =-9999,00 SUBFILES(9) =-9999,00 SUBFILES(11) = -9999,00 SUBFILES(13) = -9cJ99,00 SUBFILES(15) = ,9999,00 SUBFILES(17) = -9999,00 SUBFILES(19) = -9999,00 SUBFILES(21) = -9999,00 SUBFILES(23) = -9999,00 SUBFILES(25) = -9999,00 SUBFILES(27) = -9999,00 SUBFILES(29) = -9999,00 SUBFILES(31) = -9999,00 SUBFILES(33) = -9999,00 SUBFILES(35) = -9999,00 SUBFILES(37) = -9999,00 SUBFILES(39) = -9999,00 SUBFtLES(41) = -9999,00 SUBFILES(43) = -9999,00 SUBFILES(45) = -9999,00 SUBFILES(47) = -9999,00 SUBFILES(49) = -9999,00 SUBFILES(51) = -9999,00 SUBFILES(53) = -9999,00 SUBFILES(55) = -9999,00 SUBFILES(57) = -9999,00 SUBFILES(59) = -9999,00 SUBFILES(61) = -9999,00 SUBFILES(63) = -9999,00 SUBFILES(65) = -9999,00 SUBFILES(67) = -9999,00 SUBFILES(69) = -9999,00 SUBFILES(71) = -9999,00 SUBFILES(73) = -9999,00 SUBFILES(75) = -99cJ9,00 SUBFILES( 2) = -9999.00 SUBFILES, SUBFILES, SUBFILES, SUBFILES, SUBFILESt SUBFILES~ SUBFILESi SUBFILES~ SUBFILES~ 20) SUBFILES~ 22) SUBFILES~ 24) SUBFILES~ 26) SUBFILES~ 28) SUBFILES(30) SUBFILES(32) SUBFILES(34) SUBFILES(36) SUBFILES(38) SUBFILES(40) SUBFILES(42) SUBFILES(44) SUBFILES(46) SUBFILES(48) SUBFILES(50) SUBFILES(52) SUBFILES(54) SUBFILES(56) SUBFILES(58) SUBFILES(60) SUBFILES(62) SUBFILES(64) SUBFILES(66) SUBFILES(68) SUBFILES(70) SUBFILES(72) SUBFILES(74) SUBFILES(76) 4): -9999.00 6) = -9999.00 e) = -9999.00 10) = -9999,00 12) = -9999,00 14) = -9999.00 m) = -9999.oo 18) = -~.00 = -~.00 = -~.00 = -~.00 = -~,00 = -~.00 = -~,00 = -~,00 = -~.00 = -~.00 = -~,00 = -~,00 = -~.00 = -~.~ = -~.00 = -~.00 = -~.00 = -~.00 = -~.00 = -~.00 = -~.00 = -~.00 = -~.00 = -~.00 = -~.00 = -~.~ = -~.00 = -~.00 SUBFILES(77) = -9999.00 SUBFILES(79) = -9999.00 SUBFILES(81) = -9999.00 SUBFILES(83) = -9999.00 SUBFILES(85) = -9999.00 SUBFILES(87) = -9999.00 SUBFILES(89) = -9999.00 SUBFILES(91) = -9999.00 SUBFILES(93) = -9999.00 SUBFILES(95) = -9999.00 SUBFILES(97) = -9999.00 SUBFILES(gg) = -9999.00 SUBFILES(101) = -9999.00 SUBFILES(103) = -9999.00 SUBFILES(105) = -9999.00 SUBFILES(107) = -9999.00 SUBFILES(109) = -9999.00 SUBFILES(111) = -9999.00 SUBFILES(113) = -9999.00 SUBFILES(115) = -9999.00 ~ SUBFILES(117) = -9999.00 SUBFILES(119) = -9999.00 SUBFILES(121) = -9999.00 ~ SUBFILES(123) = -9999.93 SUBFILES(125) = -9999.00 SUBFILES(127) = -9999.93 !-- STRING PARAMETERS INTERPOL= YES SUBFILESi SUBFILESI SUBFILESI SUBFILES~ SUBFILESI SUBFILESI SUBFILES~ SUBFILESI SUBFILES~ SUBFILESI SUBFILES~ 78) = -9999.00 80) = -9999.00 82) = -9999.00 84) = -9999.00 ss) = -9999.00 ss): -9999.00 9o): -9999.oo 92) = -9999.00 94) = -9999.00 93) = -9999.00 98) = -9999.00 SUBFILES(IO0) = -9999.00 SUBFILES(102) = -9999.00 SUBFILES(104) = -9999.00 SUBFILES(106) = -9999,00 SUBFILES(108) = -9999.00 SUBFILES(110) = -9999.00 SUBFILES(112) = -9999.00 SUBFILES(114) ~- -9999.00 SUBFILES(116) = -9999.00 SUBFILES(118) = -9999.0O SUBFILES(120) = -9999.00 SUBFILES(122) = -9999.00 SUBFILES(124) = -9999.00 SUBFILES(126) = -9999.0O SUBFILES(128) = -9999.00 Input Tape Device, LU (1) Is: TAPEC: Output Tape-image file, LU (2) Is: J:\1355\1355.TAP (Output Tape-Image file will be created) Listing Method ("LtSTMETH") = 0, Depth Unit oriented listing. Listing Frequency ("MSTFREQ") Is every ( 50) units of Depth. Listing output limiting (USTMAX) not enabled... (to enable list limiting set LISTMAX positive) Data Statistics reporting ("STATS") has not been enabled. (Specify STATS = 1 to enable this feature) Automatic curve renaming has been disabled by user Input (AUTOCURV=0). Automatic "FILE=n" card generation Is disabled. (This is the program default, AUTOFILE=0) (Specify AUTOFILE = 1 to enable this feature) LiS comment record decoding (COMMENTS= 1) has been enabled by user Input, LIS information record decoding (INFORECS= 1) has been enabled by user Input. The WRITEASC option has not been enabled.,. (to write ASCII subflles specify WRITEASC= 1) Tape Subtile 1 Is type: LIS **** REEL HEADER **** MWD 94/7/18 1355' 01 **** TAPE HEADER **** MWD 94/7/18 1355 01 Tape Subtile: 1 Minimum record length: Maximum record length: 2 records... 132 bytes 132 bytes Tape Subfile 2 Is type: LIS LIS COMMENT RECORD(s): 12345678901234567890123456789012345678901234567890123456789012345678901234567890 TAPE HEADER PRUDHOE BAY UNIT MWD/MAD LOGS WELL NAME: X-20 NC HORIZONTAL APl NUMBER: 500292247800 OPERATOR: BP Exploration (Alaska) Inc. LOGGING COMPANY: BAKER HUGHES tNTEQ TAPE CREATION DATE: 18-JUL-94 JOB DATA MWD RUN 1 MWD RUN 2 MWD RUN 3 JOB NUMBER: 1355 1355 1355 LOGGING ENGINEER: BURKHARDT BURTON BURKHARDT OPERATOR WITNESS: BUMGARNER BUMGARNER WHITELEY MWD RUN 4 MWD RUN 5 MWD RUN 6 JOB NUMBER: 1355 1355 1355 LOGGING ENGINEER: BURTON BURKHARDT BURTON OPERATOR WITNESS: WHITELEY WHITELEY WHITELEY MWD RUN 7 MWD RUN 8 MWD RUN 9 JOB NUMBER: 1355 1355 LOGGING ENGINEER: BURKHARDT OPERATOR WITNESS: WHITELEY SURFACE LOCATION SECTION: 5 OWNSHIP: 10N RANGE: 14E FNL: FSL: 349 FEL: 5177 FWL: ELEVATION(FT FROM MSL 0) KELLY BUSHING: 68.80 DERRICK FLOOR: 67.30 GROUND LEVEL: 38.10 WELL CASING RECORD OPEN HOLE CASING DRILLERS BIT SIZE (IN) SIZE (IN) DEPTH (FT) 1ST STRING 30.000 20.000 110.0 2ND STRING 13.500 10,750 3566.0 3RD STRING 9.875 7,625 10952.0 PRODUCTION STRING 6.750 REMARKS: 1355 TOMAYER BURKHARDT WHITELEY BUMGARNER **** FILE HEADER MWD .001 1024 LIS COMMENT RECORD(s): 12345678.901234567890123456789012345678901234567890123456789012345678901234567890 FILE HEADER FILE NUMBER: 1 EDITED MERGED MWD Depth shifted and clipped curves; all blt runs merged. DEPTH INCREMENT: .5000 FILE SUMMARY PBU TOOL CODE START DEPTH STOP DEPTH MWD 10897.0 12965.0 $ BASELINE CURVE FOR SHIFTS: CURVE SHIFT DATA (MEASURED DEPTH) - EQUIVALENT UNSHIFTED DEPTH ......... BASEUNE DEPTH $ MERGED DATA SOURCE PBU TOOL CODE BIT RUN NO MERGE TOP MWD 8 10897,0 11192,0 MWD 8 11192.0 11302.0 MWD 9 11302.0 11574,0 MWD 10 11574.0 11637.0 MWD 10 11 637.0 11882.0 MWD 11 11882.0 11997.0 MWD 11 11997.0 12213.0 MWD 12 12215.0 12730.0 MWD 13 12730.0 12924.0 $ # REMARKS: MERGE BASE CN : BP Exploration (Alaska) WN : X-20 NC FN : Prudhoe Bay COUN : North Slope STAT : Alaska LIS COMMENT RECORD(s): 12345678901234567890123456789012345678`9012345678901234567890123456789012345678`90 THIS FILE CONTAINS EDITED MERGED MWD DATA. * FORMAT RECORD (TYPE# 64) Entry Type( 4) Size(1) Repcode(66) Logging direction Is down (value= 255) Entry Type(12) Size(4) Repcode(68) Null data value Is: -999.250000 Entry Type(16) Size(1) Repcode(68) Datum Specification Block Sub-type is: 1 Entry Block terminator. Summary of entry types encountered: 1 2 3 4 5 6 7 8 91011 1213141516 0001000000010001 Rep Code Count Bytes 68 4 16 Sum: 4 16 16 fndun a [F ] 1.00000000 3 ONE DEPTH PER FRAME Tape depth ID: F 4 Curves: APl APl APl APl Log Crv Crv Name Tool Code Samples Units Size Length Typ Typ CIs Mod 1 GR MWD 68 1 GAPI 4 4 98 660 71 6 2 ROP MWD 68 I FPHR 4 4 98 660 71 6 3 TEMPMWD 68 1 DEG 4 4 98 660 71 6 4 WOBSMWD 68 1 LB 4 4 98 660 71 6 16 ** Routine LEVONE detects data discrepancy: DSB Indicates: I FRAMES Data Record Length indicates: 50 FRAMES * DATA RECORD (TYPE# O) 1006 BYTES * Total Data Records: 83 Tape File Start Depth = 10897,000000 Tape File End Depth = 12965.000000 Tape File Level Spacing = 0.500000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 4646 datums Tape Subtile: 2 174 records... Minimum record length: 62 bytes Maximum record length: 1006 bytes Tape Subtile 3 is type: LIS **** FILE HEADER **** MAD .002 1024 LIS COMMENT RECORD(s): 123456789012345678,90123456789012345678901234567890123456789012345678901234567890 FILE HEADER FILE NUMBER: 2 EDITED MERGED MAD Depth shifted and clipped curves; all MAD runs merged using earliest passes. DEPTH INCREMENT: .5000 FILE SUMMARY PBU TOOL CODE START DEPTH STOP DEPTH MAD 11152.0 11198.0 $ MERGED DATA SOURCE PBU TOOL CODE , ~ MAD 1 MAD 2 $ '~ REMARKS: $ WN FN .... COUN STAT MAD RUN NO. MAD PASS NO. MERGE TOP I 11152.0 11191.5 I 11152.5 11198.0 MERGE BASE : BP Exploration (Alaska) : X-20 NC : Prudhoe Bay : North Slope : Alaska LIS COMMENT RECORD(s): 12345678901234567890123456789012345678901234567890123456789012345678901234567890 THIS FILE CONTAINS EDITED MERGED MAD PASS DATA. * FORMAT RECORD (TYPE# 64) Entry Type(4) Size(1) Repcode(66) Logging direction is down (value= 255) Entry Type(12) Size(4) Repcode(68) Null data value Is: -999.250000 Entry Type(16) Size(1) Repcode(68) Datum Specification Block Sub-type is: Entry Block terminator. Summary of entry types encountered: 1 2 3 4 5 6 7 8 910111213141516 0001000000010001 Rep Code Count Bytes 68 1 4 Sum: 1 4 4 fndun a IF ] 1.00000000 3 ONE DEPTH PER FRAME Tape depth ID: F 1 Curves: Name Tool Code Samples Units 1 GR MAD 68 1 APl APl APl APl Log Crv Crv Size Length Typ Typ CIs Mod GAPI 4 4 33 821 00 0 4 ** Routine LEVONE detects data discrepancy: DSB Indicates: 1 FRAMES Data Record Length Indicates: 93 FRAMES * DATA RECORD (TYPE# O) 750 BYTES * Total Data Records: Tape File Start Depth = 11152.000000 Tape File End Depth = 11198,000000 Tape File Level Spacing = 0,500000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 97 datums Tape Subtile: 3 26 records... Minimum record length: 62 bytes Maximum record length: 750 bytes Tape Subtile 4 Is type: LIS **** FILE HEADER MAD .003 1024 LIS COMMENT RECORD(s): 12345678901234567890123456789012345678901234567890123456789012345678901234567890 FILE HEADER FILE NUMBER: 3 EDITED MAD PASSES Depth shifted and clipped curves for each pass of each run in separate files. MAD RUN NUMBER: 1 MAD PASS NUMBER: 1 DEPTH INCREMENT: .5000 FILE SUMMARY PBU TOOL CODE START DEPTH '- · MAD 11152.0 11191.5 $ ,~ BASELINE CURVE FOR SHIFTS: CURVE SHIFT DATA (MEASURED DEPTH) BASEBNE DEPTH $ REMARKS: STOP DEPTH EQUIVALENT UNSHIFTED DEPTH ......... CN : BP Exploration (Alaska) WN : X-20 NC FN : Prudhoe Bay COUN : North Slope STAT : Alaska LIS COMMENT RECORD(s): 12345678901234567890123456789012345678901234567890123456789012345678901234567890 THIS FILE CONTAINS EDITED DATA FROM MAD PASS 1. * FORMAT RECORD (TYPE# 64) Entry Type(4) Size(1) Repcode(66) Logging direction is down (value= 255) Entry Type(12) Size(4) Repcode(68) Null data value is: -999.250000 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 910111213141516 0001000000010001 Rep Code Count Bytes 68 1 4 Sum: 1 4 4 fndun a [F ] 1.00000000 3 ONE DEPTH PER FRAME Tape depth ID: F 1 Curves: Name Tool Code Samples Units 1 GR MAD 68 1 GAPI 4 4 APl APl APl APl Log Crv Crv Size Length Typ Typ CIs Mod 4 33 821 O0 0 ** Routine LEVONE detects data discrepancy: DSB indicates: I FRAMES Data Record Length Indicates: 80 FRAMES * DATA RECORD (TYPE# O) 646 BYTES * Total Data Records: I Tape File Start Depth = 11152.000000 Tape File End Depth = 11191.500000 Tape File Level Spacing = 0.500000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 4730 datums Tape Subtile: 4 30 records.,. Minimum record length: 62 bytes Maximum record length: 646 bytes Tape Subtile 5 Is type: LIS **** FILE HEADER **** MAD .004 1024 LIS COMMENT RECORD(s): 12345678901234567890123456789012345678901234567890123456789012345678901234567890 FILE HEADER FILE NUMBER: 4 EDITED MAD PASSES Depth shifted and clipped curves for each pass of each run in separate files. MAD RUN NUMBER: 2 MAD PASS NUMBER: 1 ~,~ DEPTH INCREMENT: .5000 FILE SUMMARY PBU TOOL CODE START DEPTH ~ .4 MAD 11152.5 11198.0 $ ,~ BASELINE CURVE FOR SHIFTS: CURVE SHIFT DATA (MEASURED DEPTH) BASEMNE DEPTH $ REMARKS: STOP DEPTH . EQUIVALENT UNSHIFTED DEPTH ........ CN : BP Exploration (Alaska) WN : X-20 NC FN : Prudhoe Bay COUN : North Slope STAT : Alaska LIS COMMENT RECORD(s): 12345678901234567890123456789012345678901234567890123456789012345678901234567890 THIS FILE CONTAINS EDITED DATA FROM MAD PASS 2. * FORMAT RECORD (I'YPE# 64) Entry Type(4) Size(1) Repcode(68) Logging direction Is down (value= 255) Entry Type(12) Size(4) Repcode(68) Null data value is: -999.250000 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 910111213141516 0001000000010001 Rep Code Count Bytes 68 2 8 Sum: 2 8 8 fndun a [F ] 1,00000000 3 ONE DEPTH PER FRAME Tape depth ID: F 2 Curves: Name Tool Code Samples Untts 1 GR MAD 68 1 GAPI 2 TEMP MAD 68 1 DEG 4 8 APl APl APl APl Log Crv Crv Size Length Typ Typ Cls Mod 4 4 33 821 O0 0 4 33 821 O0 0 ** Routine LEVONE detects data discrepancy: DSB indicates: 1 FRAMES Data Record Length Indlcatas: 84 FRAMES * DATA RECORD (TYPE# O) 1014 BYTES * Total Data Records: 2 Tape File Start Depth = 11152,500000 Tape File End Depth = 11198.000000 Tape File Leve~ Spacing = 0,500000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 198 datums Tape Subtile: 5 31 records,,. Minimum record length: 62 bytes Maximum record length: 1014 bytes Tape Subtile 6 Is type: US **** FILE HEADER MWD .005 1024 LIS COMMENT RECORD(s): 12345678901234567890123456789012345678.901234567890123456789012345678901234567890 FILE HEADER FILE NUMBER: 5 RAW MWD Curves and log header data for each blt run in separate files. BIT RUN NO: 8 DEPTH INCREMENT.' ,2500 FILE SUMMARY VENDOR TOOL CODE START DEPTH MWD 10897.0 11192.0 LOG HEADER DATA DATE LOGGED: SOFTWARE SURFACE SOFTWARE VERSION: DOWNHOLE SOFTWARE VERSION: DATA TYPE (MEMORY OR REAL-TIME): TD DRILLER (FT): TOP LOG INTERVAL (FT): BOTTOM LOG INTERVAL (F'r): BIT ROTATING SPEED (RPM): HOLE INCLINATION (DEG) MINIMUM ANGLE: MAXIMUM ANGLE: TOOL STRING (TOP TO BOTTOM) VENDOR TOOL CODE TOOL TYPE MWD NAVIGAMMA $ BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): DRILLER'S CASING DEPTH (FT): STOP DEPTH 29 MAY 94 M1.34 M1.34 REAL-TIME .0 10897.0 11192.0 0 57.7 80.7 TOOL NUMBER 1378 5.750 .0 BOREHOLE CONDITIONS MUD TYPE: LSND MUD DENSITY (LB/G): 8.90 MUD VISCOSITY (S): .0 MUD PH: .0 MUD CHLORIDES (PPM): 450 FLUID LOSS (C3): .0 RESISTIVITY (OHMM) AT TEMPERATURE (DEGF) MUD AT MEASURED TEMPERATURE (MT): MUD AT MAX CIRCULATING TEMPERATURE: MUD FILTRATE AT MT: .000 MUD CAKE AT MT: .ooo NEUTRON TOOL MATRIX: SANDSTONE MATRIX DENSITY: 2.65 HOLE CORRECTION (IN): 6.750 TOOL STANDOFF (IN): o0 EWR FREQUENCY (HZ): 0 .000 .0 .000 .0 .0 .0 REMARKS: INTERVAL FROM 10897 TO 10952 FT MD (8824 TO 8854 FT SUBSEA 'rVD) WAS LOGGED BEHIND 7 5/8 INCH CASING. $ CN : BP Exploration (Naska) WN : X-20 NC FN : Prudhoe Bay COUN : North Slope STAT : Alaska LIS COMMENT RECORD(s): 12345678901234567890123456789012345678901234567890123456789012345678901234567890 THIS FILE CONTAINS RAW MWD DATA FROM BIT RUN 8, * FORMAT RECORD (TYPE#64) Entry Type(4) Size(1) Repcode(66) Logging direction Is down (value= 255) Entry Type(12) Size(4) Repcode(68) Null data value Is: -999,250000 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 91011 1213141516 0001000000010001 Rep Code Count Bytes 68 14 56 Sum: 14 56 56 fndun a [F ] 1.00000000 3 ONE DEPTH PER FRAME Tape depth ID: F 14 Curves: APl APl APl APl Log Crv Crv Name Tool Code Samples Units Size Length Typ Typ CIs Mod 1 GRAXMWD 68 1 GAPI 4 4 98 660 71 6 2 GRAOMWD 68 1 GAPI 4 4 98 660 71 6 3 GRBXMWD 68 I GAPI 4 4 98 660 71 6 4 GRCXMWD 68 1 GAPI 4 4 98660 71 6 5 GRCOMWD 68 1 GAPI 4 4 98 660 71 6 6 GREXMWD 68 1 MINS 4 4 98 660 71 6 7 GR~XMWD 68 1 PTS 4 4 98 660 71 6 8 HTFXMWD 68 I 4 4 98 660 71 6 9 ROPAMWD 68 I FPHR 4 4 98 660 71 6 10 ROP$ MWD 68 1 FPHR 4 4 98 660 71 6 11 RPMSMWD 68 I 4 4 98 660 71 6 12 TCDX MWD 68 1 DEGF 4 4 98 660 71 6 ~3 TVD MWD 68 1 FT 4 4 59 324 56 5 14 WBC$ MWD 68 I KLBS 4 4 98 660 71 6 ** Routine LEVONE detects data discrepancy: DSB indicates: 1 FRAMES Data Record Length indicates: 16 FRAMES * DATA RECORD ('I'YPE~ O) 966 BYTES * Total Data Records: 74 Tape File Start Depth = 10897.000000 Tape File End Depth = 11192.000000 Tape File Level Spacing = 0,250000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 7060 datums Tape Subtile: 6 139 records... Minimum record length: 62 bytes Maximum record length: 966 bytes Tape Subfile 7 Is type: US **** FILE HEADER **** MWD .006 1024 LIS COMMENT RECORD(s): 1234567890123456789012345678901234567890123456789012345678,90123456789012345678~0 FILE HEADER FILE NUMBER: 6 RAW MWD Curves and log header data for each bit run in separate files. BIT RUN NO: 8 DEPTH INCREMENT: .2500 FILE SUMMARY VENDOR TOOL CODE START DEPTH MWD 11192.0 11302.0 LOG HEADER DATA DATE LOGGED: SOFTWARE SURFACE SOFTWARE VERSION: DOWNHOLE SOFTWARE VERSION: DATA TYPE (MEMORY OR REAL-TIME): TD DRILLER (FI'): TOP LOG INTERVAL (F'r): Bo'FrOM LOG INTERVAL (PT): BIT ROTATING SPEED (RPM): HOLE INCUNATION (DEG) MINIMUM ANGLE: MAXIMUM ANGLE: TOOL STRING (TOP TO Bo'FrOM) VENDOR TOOL CODE TOOL TYPE MWD NAVIGAMMA $ BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): DRILLER'S CASING DEPTH (FT): BOREHOLE CONDITIONS MUD TYPE: MUD DENSITY (LB/G): MUD VISCOSITY (S): MUD PH: MUD CHLORIDES (PPM): FLUID LOSS (C3): STOP DEPTH 31 MAY 94 M1.34 M1.34 REAL-TIME .0 11192.0 11302.0 0 80.7 87.0 TOOL NUMBER 1387 6.750 .0 LSND 9.00 .0 .0 31000 .0 RESISTIVITY (OHMM) AT TEMPERATURE (DEGF) MUD AT MEASURED TEMPERATURE (MT): 000 .0 MUD AT MAX CIRCULATING TEMPERATURE 000 .0 MUD FILTRATE AT MT: .000 o .000 o MUD CAKE AT MT: # NEUTRON TOOL MATRIX: SANDSTONE MATRIX DENSITY: 2.65 HOLE CORRECTION (IN): 6.750 TOOL STANDOFF (IN): .0 EWR FREQUENCY (HZ): 0 REMARKS: $ CN : BP Exploration (Naska) WN : X-20 NC FN : Prudhoe Bay COUN : North Slope STAT : Alaska LIS COMMENT RECORD(s): 12345678901234567890123456789012345678901234567890123456789012345678901234567890 THIS FILE CONTAINS RAW MWD DATA FROM BIT RUN 8RR. * FORMAT RECORD (TYPE#64) Entry Type(4) Size(1) Repcode(66) Logging direction Is down (value= 255) Entry Type(12) Size(4) Repcode(68) Null data value is: -999,250000 Entry Type(16) Size(1) Repcode(68) Datum Specification Block Sub-type Is: Entry Block tenmlnator. Summary of entry types encountered: 1 2 3 4 5 6 7 8 910111213141516 0001000000010001 Rep Code Count Bytes 68 14 56 Sum: 14 56 56 fndun a [F ] 1.00000000 3 ONE DEPTH PER FRAME Tape depth ID: F 14 Curves: APl APl APl APl Log Crv Crv Name Tool Code Samples Un,ts Size Length Typ Typ CIs Mod 1 GRAX MWiD 68 1 GAPI 4 4 98 660 71 6 2 GRAOMWD 68 1 GAPI 4 4 98 660 71 6 3 GRBXMWD 68 1 GAPI 4 4 98 660 71 6 4 GRCXMWD 68 1 GAPI 4 4 98 660 71 6 5 GRCOMWD 68 ~ G^PI 4 4 98 660 71 6 6 GREXMWD 68 1 MINS 4 4 98 660 71 6 7 GRIXMWD 68 1 PTS 4 4 98 660 71 6 8 HTFXMWD 68 1 4 4 98 660 71 6 9 ROPAMWD 68 I FPHR 4 4 98 660 71 6 10 ROPS MWD 68 ~ FPHR 4 4 98 660 71 6 11 RPMSMWD 68 1 4 4 98 660 71 6 12 TCDXMWD 68 1 DEGF 4 4 98 660 71 6 13 3'VD MWD 68 ~ FT 4 4 59 324 56 5 14 WBCS MWD 68 1 KI.BS 4 4 98 660 71 6 56 ** Routine LEVONE detects data discrepancy: DSB Indicates: 1 FRAMES Data Record Length Indicates: 16 FRAMES * DATA RECORD (TYPE# O) 966 BYTES * Total Data Records: 28 Tape File Start Depth = 11192.000000 Tape File End Depth = 11302,000000 Tape File Level Spacing = 0,250000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 1102 datums Tape Subtile: 7 92 records.., Minimum record length: 62 bytes Maximum record length: 966 bytes 'rape Subfile 8 is type: LIS **** FILE HEADER **** MWD .007 1024 LIS COMMENT RECORD(s): 12345678901234567890123456789012345678901234567890123456789012345678901234567890 FILE HEADER FILE NUMBER: 7 RAW MWD Curves and log header data for each bit run in separate files. BIT RUN NO: 9 DEPTH INCREMENT: .2500 # ~ FILE SUMMARY VENDOR TOOL CODE START DEPTH MWD 11302.0 11574.0 ~ $ LOG HEADER DATA DATE LOGGED: SOFTWARE SURFACE SOFTWARE VERSION: DOWNHOLE SOFTWARE VERSION: ' ~ DATA TYPE (MEMORY OR REAL-TIME): TD DRILLER (FT): TOP LOG INTERVAL (FT): ,.~ BO'I-rOM LOG INTERVAL (FT): BIT ROTATING SPEED (RPM): HOLE INCMNATION (DEG) MINIMUM ANGLE: "~ MAXIMUM ANGLE: TOOL STRING ('roP TO Bo'FrOM) VENDOR TOOL CODE TOOL TYPE MWD NAVlGAMMA $ BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): DRILLER'S CASING DEPTH (FT): BOREHOLE CONDITIONS MUD TYPE: ,.~, MUD DENSITY (LB/G): MUD VISCOSITY (S): MUD PH: MUD CHLORIDES (PPM): L~ FLUID LOSS (C3): STOP DEPTH 02 JUN 94 M1.34 M1.34 REAL-TIME .0 11302.0 11574.0 0 86.4 91.4 TOOL NUMBER 1378 6.750 .0 KCL/XANVIS 9.20 .0 .0 31000 .0 RESISTIVITY (OHMM) AT TEMPERATURE (DEGF) MUD AT MEASURED TEMPERATURE (MT): .000 MUD AT MAX CIRCULATING TEMPERATURE: .000 MUD FILTRATE AT MT: ,000 ,0 MUD CAKE AT MT: .000 .0 NEUTRON TOOL MATRIX: SANDSTONE MATRIX DENSITY: 2.65 HOLE CORRECTION (IN): 6.750 TOOL STANDOFF (IN): EWR FREQUENCY (HZ): REMARKS: $ CN : BP Exploration (Naska) WN : X-20 NC FN : Prudhoe Bay COUN : North Slope STAT : Alaska .0 0 ,0 .0 LIS COMMENT RECORD(s): 12345678901234567890123456789012345678901234567890123456789012345678901234567890 THIS FILE CONTAINS RAW MWD DATA FROM BIT RUN 9. * FORMAT RECORD ('rYPE~64) Entry Type(4) Size(1) Repcode(66) Logging direction Is down (value= 255) Entry Type(12) Size(4) Repcode(68) Null data value Is: -999,250000 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 91011 1213141516 0001000000010001 Rep Code Count Bytes 68 14 56 Sum: 14 56 56 fndun a [F ] 1.00000000 3 ONE DEPTH PER FRAME Tape depth ID: F 14 Curves: APl APl APl APl Log Crv Crv Name Tool Code Samples Units Size Length Typ Typ Cls Mod 1 GRAXMWD 68 1 GAPI 4 4 98 660 71 6 2 GRAOMWD 68 1 GAPI 4 4 98 660 71 6 3 GRBXMWD 68 1 GAPI 4 4 98 660 71 6 4 GRCXMWD 68 1 GAPI 4 4 98660 71 6 5 GRCOMWD 68 I GAPI 4 4 98 660 71 6 6 GREX MWD 68 '1 MINS 4 4 98 660 71 6 7 GRIXMWD 68 1 PTS 4 4 98 660 71 6 8 HTFXMWD 68 1 4 4 98 660 71 6 9 ROPAMWD 68 I FPHR 4 4 98 660 71 6 10 ROPS MWD 68 I FPHR 4 4 98660 71 6 11 RPMSMWD 68 1 4 4 98 660 71 6 12 TCDX MWD 68 I DEGF 4 4 98 660 71 6 13 'TVD MWD 68 1 FT 4 4 59 324 56 5 14 WBCS MWD 68 I KI_BS 4 4 98660 71 6 ** Routine LEVONE detects data discrepancy: DSB Indicates: 1 FRAMES Data Record Length Indlcatas: 16 FRAMES * DATA RECORD (TYPE# O) 966 BYTES Total Data Records: 69 Tape File Start Depth = 11302,000000 Tape File End Depth = 11574,000000 Tape File Level Spacing = 0.250000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 9214 datums Tape Subtile: 8 133 records.., Minimum record length: 62 bytes Maximum record length: 966 bytes Tape Subtile 9 Is type: LIS **** FILE HEADER MWD .008 1024 LIS COMMENT RECORD(s): 123456789012345678901234567890123456789012345678901234567890123456789012345678g0 FILE HEADER FILE NUMBER: 8 RAW MWD Curves and log header data for each blt run in separate files. BIT RUN NO: 10 DEPTH INCREMENT: .2500 # FILE SUMMARY VENDOR TOOL CODE START DEPTH MWD 11574,0 11637,0 LOG HEADER DATA DATE LOGGED: SOFTWARE SURFACE SOFTWARE VERSION: DOWNHOLE SOFTWARE VERSION: DATA TYPE (MEMORY OR REAL-TIME): TD DRILLER (FT): TOP LOG INTERVAL (F-r): BO'FrOM LOG INTERVAL (FT): BIT ROTATING SPEED (RPM): HOLE INCUNATION (DEG) MINIMUM ANGLE: MAXIMUM ANGLE: TOOL STRING (TOP TO BOTTOM) VENDOR TOOL CODE TOOL TYPE MWD NAVIGAMMA $ BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): DRILLER'S CASING DEPTH (FT): BOREHOLE CONDITIONS MUD TYPE: MUD DENSITY (I_B/G): MUD VISCOSITY (S): MUD PH: MUD CHLORIDES (PPM): FLUID LOSS (C3): STOP DEPTH 02 JUN 94 M1.34 M1.34 REAL-TIME .0 11574.0 11 637.0 0 90.7 91.2 TOOL NUMBER 1387 6,750 .0 KCL/XANVIS 9.30 .0 .0 34000 .o RESISTIVITY (OHMM) AT TEMPERATURE (DEGF) MUD AT MEASURED TEMPERATURE (MT): .000 MUD AT MAX CIRCULATING TEMPERATURE: .000 MUD FILTRATE AT MT: ,000 .0 MUD CAKE AT MT: .000 .0 NEUTRON TOOL MATRIX: SANDSTONE MATRIX DENSITY: 2.65 HOLE CORRECTION (IN): 6.750 TOOL STANDOFF (IN): EWR FREQUENCY (HZ): # REMARKS: $ CN : BP Exploration (Alaska) WN : X-20 NC FN : Prudhoe Bay COUN : North Slope STAT : Alaska .0 0 .0 ,0 LIS COMMENT RECORD(s): 12345678901234567890123456789012345678901234567890123456789012345678901234567890 THIS FILE CONTAINS RAW MWD DATA FROM BIT RUN 10. * FORMAT RECORD (TYPE#64) Entry Type(4) Size(1) Repcode(66) Logging direction Is down (value= 255) Entry Type(12) Size(4) Repcode(68) Null data value Is: -999,250000 Entry Type(16) Size(1) Repcode(68) Datum Specification Block Sub-type Is: Entry Block terminator. Summary of entry types encountered: 1 2 3 4 5 6 7 8 91011 1213141516 0001000000010001 Rep Code Count Bytes 68 14 56 Sum: 14 56 56 fndun a [F ] 1.00000000 3 ONE DEPTH PER FRAME Tape depth ID: F 14 Curves: APl APl APl APl Log Crv Crv Name Tool Code Samples Units Size Length Typ Typ Cls Mod 1 GRAXMWD 68 1 GAPI 4 4 98 660 71 6 L~ 2 GRAO MWD 68 1 GAPI 4 4 98 660 71 6 3 GRBXMWD 68 1 GAPI 4 4 98 660 71 6 4 GRCXMWD 68 1 GAPI 4 4 98 660 71 6 ,~ 5 GRCO MWD 68 1 GAPI 4 4 98 660 71 6 6 GREXMWD 68 I MINS 4 4 98660 71 6 7 GRIXMWD 68 1 PTS 4 4 98 660 71 6 8 HTFXMWD 68 1 4 4 98 660 71 6 ~ 9 ROPA MWD 68 I FPHR 4 4 98 660 71 6 10 ROPS MWD 68 1 FPHR 4 4 98 660 71 8 11 RPMSMWD 68 1 4 4 98 660 71 6 ~_~ 12 TCDX MWD 68 I DEGF 4 4 98 660 71 6 ~3 'I'VD MWD 68 1 FT 4 4 59324 56 5 14 WBCS MWD 68 I KLBS 4 4 98 660 71 6 ** Routine LEVONE detects data discrepancy: DSB Indicates: 1 FRAMES Data Record Length Indicates: 16 FRAMES * DATA RECORD (TYPE# O) 966 BYTES * Total Data Records: 16 Tape File Start Depth = 11574,000000 Tape File End Depth = 11637.000000 Tape File Level Spacing = 0.250000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 63 1622 datums Tape Subtile: 9 80 records... Minimum record length: 62 bytes Maximum record length: 966 bytes Tape Subtile 10 Is type: LIS **** FILE HEADER **** MWD .009 1024 LIS COMMENT RECORD(s): 12345678901234567890123456789012345678901234567890123456789012345678901234567890 FILE HEADER FILE NUMBER: 9 RAW MWD Curves and log header data for each blt run in separate files. BIT RUN NO: 10 DEPTH INCREMENT: , .2500 FILE SUMMARY VENDOR TOOL CODE START DEPTH MWD 11637.0 11882.0 LOG HEADER DATA DATE LOGGED: SOFTWARE SURFACE SOFTWARE VERSION: DOWNHOLE SOFTWARE VERSION: DATA TYPE (MEMORY OR REAL-TIME): TD DRILLER (FT): TOP LOG INTERVAL (F'r): Bo'FrOM LOG INTERVAL (FT): BIT ROTATING SPEED (RPM): HOLE INCUNATION (DEG) MINIMUM ANGLE: MAXIMUM ANGLE: TOOL STRING (TOP TO Bo'FrOM) VENDOR TOOL CODE TOOL TYPE MWD NAVIGAMMA $ BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): DRILLER'S CASING DEPTH (FT): STOP DEPTH BOREHOLE CONDITIONS MUD TYPE: MUD DENSITY (LB/G): MUD VISCOSITY (S): MUD PH: MUD CHLORIDES (PPM): FLUID LOSS (C3): 04 JUN 94 M1,34 M1.34 REAL-TIME .0 11 637.0 11882.0 0 TOOL NUMBER 1378 RESISTIVITY (OHMM) AT TEMPERATURE (DEGF) KCL/XANVIS 9.20 .0 .0 39000 .0 89.0 90.7 6.750 .0 MUD AT MEASURED TEMPERATURE (MT): .000 MUD AT MAX CIRCULATING TEMPERATURE: .000 MUD FILTRATE AT Mr: .000 ,0 MUD CAKE AT MT: .000 .0 NEUTRON TOOL MATRIX: SANDSTONE MATRIX DENSITY: 2.65 HOLE CORRECTION (tN): 6.750 TOOL STANDOFF (IN): .0 EWR FREQUENCY (HZ): 0 REMARKS: $ CN : BP Exploration (Alaska) WN : X-20 NC FN : Prudhoe Bay COUN : North Slope STAT : Alaska ,0 .0 LIS COMMENT RECORD(s): 12345678901234567890123456789012345678901234567890123456789012345678901234567890 THIS FILE CONTAINS RAW MWD DATA FROM BIT RUN 1ORR. * FORMAT RECORD (TYPE#64) Entry Type(4) Size(1) Repcode(66) Logging direction is down (value= 255) Entry Type(12) Size(4) Repcode(68) Null data value Is: -999.250000 Entry Type(16) Size(1) Repcode(68) Datum Specification Block Sub-type is: Entry Block terminator, Summary of entry types encountered: 1 2 3 4 5 6 7 8 910111213141516 000 1 0000000 1 000 1 Rep Code Coum Bytes 68 14 56 Sum: 14 56 56 fndun a [F ] 1.00000000 3 ONE DEPTH PER FRAME Tape depth ID: F 14 Curves: Name Tool Code Samples Units APl APl APl APl Log Crv Crv Size Length Typ Typ CIs Mod 1 GRAXMWD 68 1 GAPI 4 4 g8660 71 6 ;2 GRAO MWD 68 1 GAPI 4 4 98 660 71 6 3 GRBXMWD 68 1 GAPI 4 4 98 660 71 6 4 GRCXMWD 68 I GAPI 4 4 98 660 71 6 5 GRCOMWD 68 1 GAPI 4 4 98660 71 6 6 GREXMWD 68 1 MINS 4 4 98 660 71 6 7 GRIXMWD 68 I PTS 4 4 98 660 71 6 8 HTFXMWD 68 1 4 4 98 660 71 6 9 ROPAMWD 68 1 FPHR 4 4 98 660 71 6 10 ROPS MWD 68 I FPHR 4 4 98 660 71 6 11 RPMSMWD 68 1 4 4 98 660 71 6 12 TCDX MWD 68 1 DEGF 4 4 98 660 71 6 13 TVD MWD 68 I FT 4 4 59 324 56 5 14 WBCS MWD 68 1 KLBS 4 4 98 660 71 8 ** Routine LEVONE detects data dlscrepar~cy: DSB indicates: 1 FRAMES Data Record Length Indicates: 16 FRAMES * DATA RECORD (TYPE# O) 966 BYTES * Total Data Records: 62 Tape File Start Depth = 11637.000000 Tape File End Depth = 11882,000000 Tape File Level Spacing = 0.250000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 11162 datums Tape Subtile: 10 126 records... Minimum record length: 62 bytes Maximum record length: 966 bytes Tape Subtile 11 Is type: US **** FILE HEADER **** MWD .010 1024 LIS COMMENT RECORD(s): 12345678901234567890123456789012345678901234567890123456789012345678901234567890 FILE HEADER FILE NUMBER: 10 RAW MWD Curves and log header data for each bit run in separate files. BIT RUN NO: 11 DEPTH INCREMENT: .2500 FILE SUMMARY VENDOR TOOL CODE START DEPTH MWD 11882.0 11997,0 LOG HEADER DATA DATE LOGGED: SOFTWARE SURFACE SOF'rWARE VERSION: DOWNHOLE SOFTWARE VERSION: DATA TYPE (MEMORY OR REAL-TIME): TD DRILLER (F'r): TOP LOG INTERVAL (FT): Bo'FrOM LOG INTERVAL (FT): BIT ROTATING SPEED (RPM): HOLE INCUNATION (DEG) MINIMUM ANGLE: MAXIMUM ANGLE: TOOL STRING (TOP TO BO'I-rOM) VENDOR TOOL CODE TOOL TYPE MWD NAVlGAMMA $ BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): DRILLER'S CASING DEPTH (FT): STOP DEPTH BOREHOLE CONDITIONS MUD TYPE: MUD DENSITY (LB/G): MUD VISCOSITY (S): MUD PH: MUD CHLORIDES (PPM): FLUID LOSS (C3): 05 JUN 94 M1.34 M1.34 REAL-TIME .0 11882.0 11997.0 0 89.8 91.1 TOOL NUMBER 1387 6.750 .0 KCL//XANVlS 9.30 .0 .0 39000 .0 RESISTIVITY (OHMM) AT TEMPERATURE (DEGF) MUD AT MEASURED TEMPERATURE (MT): .000 MUD AT MAX CIRCULATING TEMPERATURE: .000 MUD FILTRATE AT MT: .000 .0 MUD CAKE AT MT: .000 .0 NEUTRON TOOL MATRIX: MATRIX DENSITY: HOLE CORRECTION (IN): TOOL STANDOFF (IN): EWR FREQUENCY (HZ): REMARKS: $ CN : BP Exploration (Alaska) WN : X-20 NC FN : Prudhoe Bay COUN : North Slope STAT Alaska SANDSTONE 2.65 6.750 .0 0 ,0 .0 LIS COMMENT RECORD(s): 12345678901234567890123456789012345678,901234567890123456789012345678901234567890 THIS FILE CONTAINS RAW MWD DATA FROM BIT RUN 11. * FORMAT RECORD (TYPE#64) Entry Type(4) Size(1) Repcode(66) Logging direction Is down (value= 255) Entry Type(12) Size(4) Repcode(68) Null data value Is: -999,250000 Entry Type(16) Size(1) Repcode(68) 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 1415 16 000 1 0000000 1 000 1 Rep Code Count Bytes 68 14 56 Sum: 14 56 56 fndun a IF ] 1.00000000 3 ONE DEPTH PER FRAME Tape depth ID: F 14 Curves: APl APl APl APl Log Crv Crv Name Tool Code Samples Unite Size Length Typ Typ Cie MOd 1 GRAXMWD 68 1 GAPI 4 4 98 660 71 6 2 GRAOMWD 68 1 GAPI 4 4 98 660 71 6 3 GRBXMWD 68 1 GAPI 4 4 98660 7~ 6 4 GRCXMWD 68 1 GAPI 4 4 98 660 71 6 5 GRCOMWD 68 1 GAPI 4 4 98 660 71 6 6 GREXMWD 68 1 MINS 4 4 98 660 71 6 7 GRIXMWD 68 I PTS 4 4 g8660 71 6 8 HTFXMWD 68 1 4 4 98 660 71 6 9 ROPAMWD 68 1 FPHR 4 4 g8660 71 6 ~0 ROPS MWD 68 1 FPHR 4 4 98 660 71 6 11 RPMSMWD 68 1 4 4 98 680 71 6 12 TCDX MWD 68 I DEGF 4 4 98 660 71 6 13 'FVD MWD 68 1 FT 4 4 59324 56 5 14 WI~CS MWD 68 1 KLBS 4 4 98 660 7~ 6 56 ** Routine LEVONE detects data discrepancy: DSB Indicates: 1 FRAMES Data Record Length indicates: 16 FRAMES * DATA RECORD (TYPE~¢ O) 966 BYTES * Total Data Records: 29 Tape File Start Depth = 11882.000000 Tape File End Depth = 11997,000000 Tape File Leve~ Spacing = 0.250000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 2546 datums Taps Subtile: 11 93 records,.. Minimum record length: 62 bytes Maximum record length: 966 bytes Tape Subtile 12 Is type: US **** FILE HEADER **** MWD .011 1024 LiS COMMENT RECORD(s): 123456789~123456789~123456789~123456789~123456789~123456789~123456789~123456789~ FILE HEADER FILE NUMBER: 11 RAW MWD Curves and log header data for each bit run in separate files. BiT RUN NO: 11 DEPTH INCREMENT: .2500 FILE SUMMARY VENDOR TOOL CODE START DEPTH STOP DEPTH MWD 11997.0 12213.0 $ LOG HEADER DATA DATE LOGGED: 06 JUN 94 SOFTWARE SURFACE SOFTWARE VERSION: M1.34 DOWNHOLE SOFTWARE VERSION: M1.34 DATA TYPE (MEMORY OR REAL-TIME): REAL-TIME TD DRILLER (FT): .0 TOP LOG INTERVAL (FT): 11997.0 BO'FI'OM LOG INTERVAL (FT): 12213.0 BIT ROTATING SPEED (RPM): 0 HOLE INCMNATION (DEG) MINIMUM ANGLE: 89.3 MAXIMUM ANGLE: 89.8 TOOL STRING (TOP TO BoTroM) VENDOR TOOL CODE TOOL TYPE MWD NAVlGAMMA $ BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): 6.750 DRILLER'S CASING DEPTH (FT): ,0 # BOREHOLE CONDITIONS MUD TYPE: KCL/XANVIS MUD DENSITY (LB/G): 9.20 MUD VISCOSITY (S): .0 MUD PH: .0 MUD CHLORIDES (PPM): 40000 FLUID LOSS (C3): .0 RESISTIVITY (OHMM) AT TEMPERATURE (DEGF) TOOL NUMBER 1378 MUD AT MEASURED TEMPERATURE (MT): 000 MUD AT MAX CIRCULATING TEMPE!'~ATURE 000 MUD FILTRATE AT MT: .000 o MUD CAKE AT MT: .00o o NEUTRON TOOL MATRIX: SANDSTONE MATRIX DENSITY: 2.65 HOLE CORRECTION (IN): 5.750 TOOL STANDOFF (IN): EWR FREQUENCY (HZ): REMARKS: $ : BP Exploration (Alaska) : X-20 NC : Prudhoe Bay : North Slope Alaska CN WN FN COUN STAT .0 0 .0 .0 LIS COMMENT RECORD(s): 12345678901234567890123456789012345678901234567890123456789012345678901234567890 THIS FILE CONTAINS RAW MWD DATA FROM BIT RUN 11RR. * FORMAT RECORD ('rYPE#64) Entry Type(4) Size(1) Repcode(68) Logging direction Is down (value= 255) Entry Type(12) Size(4) Repcode(68) Null data value Is: -999.250000 Entry Type(16) Size(1) Repcode(68) Datum Specification Block Sub-type Is: Entry Block terminator. Summary of entry types encountered: 1 2 3 4 5 6 7 8 91011 1213141,516 0001000000010001 Rep Code Count Bytes 68 14 56 Sum: 14 56 56 fndun a [F ] 1.00000000 3 ONe: DEPTH PER FRAME Tape depth ID: F 14 Curves: APl APl APl APl Log Crv Cw Name Tool Code Samples Units Size Length Typ Typ CIs Mod 1 GRAXMWD 68 I GAPI 4 4 98 660 71 6 2 GRAOMWD 68 1 GAPI 4 4 98 660 71 6 3 GRBXMWD 68 I GAPI 4 4 98 660 71 6 4 GRCXMWD 68 I GAPI 4 4 98 660 71 6 5 GRCOMWD 68 1 GAPI 4 4 98 660 71 6 6 GREXMWD 68 1 MtNS 4 4 98 660 71 6 7 GRIXMWD 68 1 PTS 4, 4 98 660 71 6 8 HTFXMWD 68 1 4 4 98 660 71 6 9 ROPAMWD 68 1 FPHR 4 4 98 660 71 6 10 ROPS MWD 68 1 FPHR 4 4 98 660 71 6 11 RPMSMWD 68 1 4 4 98 660 71 6 12 TCDXMWD 88 1 DEGF 4 4 98 660 71 6 13 TVD MWD 68 1 FT 4 4 59 324 56 5 14 WBCSMWD 68 I KLBS 4 4 98 660 71 6 ** Routine LEVONE detects data discrepancy: DSB Indicates: 1 FRAMES Data Record Length Indicates: 16 FRAMES * DATA RECORD (TYPE# O) 966 BYTES * Total Data Records: 55 Tape File Start Depth = 11997.000000 Tape File End Depth = 12213.000000 Tape File Level Spacing -- 0.250000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 12896 datums Tape Subtile: 12 119 records... Minimum record length: 62 bytes Maximum record length: 966 bytes Tape Subtile 13 Is type: US **** FILE HEADER **** MWD .012 1024 LIS COMMENT RECORD(~: 123456789~123456789~123456789~123456789~123456789~123456789~123456789~123456789~ FILE HEADER FILE NUMBER: 12 RAW MWD Curves and log header data for each blt run In separate files. BIT RUN NO: 12 DEPTH INCREMENT: .2500 ~ # FILE SUMMARY VENDOR TOOL CODE START DEPTH MWD 12215.0 12730.0 $ LOG HEADER DATA · ~ DATE LOGGED: SOFTWARE SURFACE SOFTWARE VERSION: ~ DOWNHOLE SOFTWARE VERSION: DATA TYPE (MEMORY OR REAL-TIME): TD DRILLER (FT): TOP LOG INTERVAL (FT): L~ BO'I rOM LOG INTERVAL (FT): BIT ROTATING SPEED (RPM): HOLE INCMNATION (DEG) ~ MINIMUM ANGLE: MAXIMUM ANGLE: TOOL STRING (TOP TO BO'I-TOM) VENDOR TOOL CODE TOOL TYPE MWD NAVIGAMMA $ STOP DEPTH 08 JUN94 M1.34 M1.34 REAL-TIME .0 12215.0 12730.0 0 89.3 90.9 TOOL NUMBER 1387 BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): 6.750 DRILLER'S CASING DEPTH (FT): .0 BOREHOLE CONDITIONS MUD TYPE: KCL/XANVIS MUD DENSITY (LB/G): 9.20 MUD VISCOSITY (S): .0 MUD PH: .0 MUD CHLORIDES (PPM): 39000 FLUID LOSS (C3): .0 RESISTIVITY (OHMM) AT TEMPERATURE (DEGF) MUD AT MEASURED TEMPERATURE (MT): .000 MUD AT MAX CIRCULATING TEMPERATURE: .000 MUD FILTRATE AT MT: .000 MUD CAKE AT MT: .000 .0 NEUTRON TOOL MATRIX: SANDSTONE MATRIX DENSITY: 2.65 HOLE CORRECTION (IN): 6.750 TOOL STANDOFF (IN): .0 EWR FREQUENCY (HZ): 0 REMARKS: $ CN WN FN COUN STAT : BP Exploration (Naska) : X-20 NC : Prudhoe Bay : North Slope Alaska .0 .0 LIS COMMENT RECORD(s): 12345678901234567890123456789012345678901234567890123456789012345678,901234567890 THIS FILE CONTAINS RAW MWD DATA FROM BIT RUN 12. * FORMAT RECORD (TYPE#64) Entry Type(4) Size(1) Repcode(66) Logging direction Is down (value= 255) Entry Type(12) Size(4) Repeode(68) Null data value Is: -999.250000 Entry Type(16) Size(1) Repcode(68) Datum Specification Block Sub-type Is: Entry Block terminator. Summary of entry types encountered: 1 2 3 4 5 6 7 8 91011 1213141516 0001000000010001 Rep Code Count Bytes 68 14 56 Sum: 14 56 56 fndun a [F ] 1.00000000 3 ONE DEPTH PER FRAME Tape depth ID: F 1 4 Curves: Name Tool Code Samples Units APl APl APl APl Log Crv Crv Size Length Typ Typ CIs Mod I GRAXMWD 68 1 GAPI 4 4 98 660 71 6 2 GRAOMWD 68 1 GAPI 4 4 98 660 71. 6 3 GRBXMWD 68 I GAPI 4 4 98 660 71 6 4 GRCXMWD 68 1 GAPI 4 4 98 660 71 6 5 GRCOMWD 68 I GAPI 4 4 98 660 71 6 6 GREXMWD 68 1 MINS 4 4 98 660 71 6 7 GRIXMWO 68 I PTS 4 4 98 660 71 6 8 HTFXMWD 68 1 4 4 98 660 71 6 9 ROPAMWD 68 1 FPHR 4 4 98 660 71 6 10 ROP$ MWD 68 1 FPHR 4 4 98 660 71 6 11 RPMSMWD 68 1 4 4 98 660 71 6 12 TCDXMWD 68 1 DEGF 4 4 98 660 71 6 13 TVD MWD 68 1 FT 4 4 59324 56 5 14 WBC$ MWD 68 ! KLBS 4 4 98660 71 6 ** Routine LEVONE detects data discrepancy: DSB Indicates: I FRAMES Data Record Length Indicates: 16 FRAMES * DATA RECORD (TYPE# O) 966 BYTES * Total Data Records: 129 Tape File Start Depth = 12215.000000 Tape File End Depth = 12730.000000 Tape File Levet Spacing = 0.250000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 6582 datums Tape Subtile: 13 193 records... Minimum.record length: 62 bytes Maximum record length: 966 bytes Tape Subtile 14 Is type: LIS **** FILE HEADER MWD .013 1024 LIS COMMENT RECORD(s): 12345678901234567890123456789012345678901234567890123456789012345678901234567890 FILE HEADER FILE NUMBER: 13 RAW MWD Curves and Icg header data for each blt run in separate files. BIT RUN NO' 13 DEPTH INCREMENT: .2500 FILE SUMMARY VENDOR TOOL CODE START DEPTH MWD 12730.0 12924.0 LOG HEADER DATA ~= DATE LOGGED: SOFTWARE SURFACE SOFTWARE VERSION: DOVVNHOLE SOFTWARE VERSION: DATA TYPE (MEMORY OR REAL-TIME): TD DRILLER (FT): TOP LOG INTERVAL (FT): L~ BoTroM LOG INTERVAL (FT): BIT ROTATING SPEED (RPM): HOLE INCLINATION (DEG) · ~ MINIMUM ANGLE: MAXIMUM ANGLE: TOOL STRING (TOP TO BO'FrOM) ' ~ VENDOR TOOL CODE TOOL TYPE MWD NAVlGAMMA $ BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): DRILLER'S CASING DEPTH (FT): STOP DEPTH BOREHOLE CONDITIONS MUD TYPE: .... MUD DENSITY (LB/G): MUD VISCOSITY (S): MUD PH: L J MUD CHLORIDES (PPM): FLUID LOSS (C.,3): 10 JUN 94 M1.34 M1.34 REAL-TIME ,0 12730.0 12924.0 0 90.9 94.2 TOOL NUMBER 1378 6.750 .0 KCL/XANVIS 9.20 .0 .0 37000 .0 RESISTIVITY (OHMM) AT TEMPERATURE (DEGF) MUD AT MEASURED TEMPERATURE (MT): MUD AT MAX CIRCULATING TEMPERATURE: MUD FILTRATE AT MT: .000 MUD CAKE AT MT: .000 NEUTRON TOOL MATRIX: SANDSTONE MATRIX DENSITY: 2.65 HOLE CORRECTION (IN): 6.750 TOOL STANDOFF (IN): .0 EWR FREQUENCY (HZ): 0 .000 .0 .000 .0 .0 .0 REMARKS: INTERVAL FROM 12925 TO 12964 FT MD (8937 TO 8934 FT SUBSEA TVD) WAS NOT LOGGED DUE TO TOOL OFFSET AT CASING POINT. $ CN WN FN COUN STAT : BP Exploration (Naska) : X-20 NC : Prudhoe Bay : North Slope Alaska LIS COMMENT RECORD(s): 12345678901234567890123456789012345678901234567890123456789012345678901234567890 THIS FILE CONTAINS RAW MWD DATA FROM BIT RUN 13. * FORMAT RECORD (TYPE~ 64) Entry Type(4) Size(1) Repcode(66) Logging direction Is down (value= 255) Entry Type(12) Size(4) Repeode(68) Null data value Is: -999.250000 Entry Type(16) Size(1) Repcode(68) Datum Specification Block Sub-type Is: Entry Block terminator. Summary of entry types encountered: 1 2 3 4 5 6 7 8 91011 12 13 14 15 16 000 1 00000001 000 1 Rep Code Count Bytes 68 14 56 Sum: 14 56 56 fndun a IF ] 1.00000000 3 ONE DEPTH PER FRAME Tape depth ID: F 1 4 Curves: APl APl APl APl Log Crv Crv Name Too~ Code Samples Units Size Length Typ Typ CIs Mod 1 GRAXMWD 68 I GAPI 4 4 98 660 71 6 2 GRAOMWD 68 I GAPI 4 4 98 660 71 6 3 GRBXMWD 68 1 GAPi 4 4 98 660 71 6 4 GRCXMWD 68 1 GAPI 4 4 98 660 71 6 5 GRCOMWD 68 1 GAPI 4 4 98 660 71 6 6 GREXMWD 68 I MINS 4 4 98660 71 6 7 GRIXMWD 68 1 PTS 4 4 98 660 71 6 8 HTFXMWD 68 1 4 4 98 660 71 6 9 ROPAMWD 68 1 FPHR 4 4 98 660 71 6 10 ROPS MWD 68 I FPHR 4 4 98 660 71 6 11 RPMSMWD 68 1 4 4 98 660 71 6 12 TCDX MVVD 68 1 DEGF 4 4 98 660 71 6 13 TVD MWD 68 I FT 4 4 59 324 56 5 14 W~BCS MWD 68 I KLBS 4 4 98 660 71 6 ** Routine LEVONE detects data discrepancy: DSB Indicates: I FRAMES Data Record Length indicates: 16 FRAMES * DATA RECORD ('Pf'PE# O) 966 BY'rES * Total Data Records: 49 Tape File Start Depth = 12730.000000 Tape File End Depth = 12924.000000 Tape File Level Spacing = 0.250000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 14444 datums Tape Subtile: 14 115 records... Minimum record length: 62 bytes Maximum record length: 966 bytes Tape Subtile 15 Is type: LIS **** FILE HEADER **** MAD .014 1024 LIS COMMENT RECORD(s): 12345678901234567890123456789012345678901234567890123456789012345678901234567890 FILE HEADER FILE NUMBER: 14 RAW MAD Curves and log header data for each pass of each run in separate files. MAD RUN NUMBER: 1 MAD PASS NUMBER: 1 DEPTH INCREMENT: .2500 FILE SUMMARY VENDOR TOOL CODE START DEPTH MAD 11152.0 11191.5 $ LOG HEADER DATA DATE LOGGED: SOFTWARE SURFACE soFTWARE VERSION: DOWNHOLE SOFTWARE VERSION: DATA TYPE (MEMORY OR REAL-TIME): TD DRI!I FR (F'F): TOP LOG INTERVAL (FT): Bo'FrOM LOG INTERVAL (FT): BIT ROTATING SPEED (RPM): HOLE INCMNATION (DEG) MINIMUM ANGLE: MAXIMUM ANGLE: TOOL STRING (TOP TO Bo'~rOM) VENDOR TOOL CODE TOOL TYPE MAD NAVlGAMMA STOP DEPTH 10 JUN 94 M1.34 M1.34 REAL-TIME .0 11152.O 11191.5 0 .0 .0 TOOL NUMBER 1378 BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): 6.750 DRILLER'S CASING DEPTH (FT): .0 BOREHOLE CONDITIONS MUD TYPE: KCL/XANVIS MUD DENSITY (LB/G): .00 MUD VISCOSITY (S): .0 MUD PH: .0 MUD CHLORIDES (PPM): 0 FLUID LOSS (C3): .0 RESISTIVITY (OHMM) AT TEMPERATURE (DEGF) MUD AT MEASURED TEMPERATURE (MT): ,000 MUD AT MAX CIRCULATING TEMPERATURE: .000 MUD FILTRATE AT MT: .000 .0 MUD CAKE AT MT: .000 .0 NEUTRON TOOL MATRIX: SANDSTONE MATRIX DENSITY: 2.65 HOLE CORRECTION (IN): 6.750 TOOL STANDOFF (IN): EWR FREQUENCY (HZ): REMARKS: $ CN WN FN COUN STAT : BP Exploration (Alaska) : X-20 NC : Prudhoe Bay : North Slope : Alaska ,0 0 .0 ,0 LIS COMMENT RECORD(s): 12345678901234567890123456789012345678,901234567890123456789012345678901234567890 THIS FILE CONTAINS RAW MWD DATA FROM MAD PASS 1. *FORMAT RECORD (TYPE# Entry Type(4) Size(1) Repcode(66) Logging direction Is down (value= 255) Entry Type(12) SEe(4) Repcode(68) Null data value Is: -999.250000 Entry Type(16) Size(1) Repcode(68) Datum Specification Block Sub-type Is: Entry Block terminator. Summary of entry types encountered: 1 2 3 4 5 6 7 8 91011 1213141516 0001000000010001 Rep Code Count Bytes 68 4 16 Sum: 4 16 16 fndun a [F ] 1.00000000 3 ONE DEPTH PER FRAME Tape depth ID: F 4 Curves: APl APl APl APl Log Crv Crv Name Tool Code Samples Units Size Length Typ Typ CIs Mod 1 GRAXMAD 68 I GAPI 4 4 33 821 00 0 2 GRBXMAD 68 I GAPI 4 4 33 821 00 0 3 GRCXMAD 68 1 GAPI 4 4 33 821 00 0 4 GRIXMAD 68 1 PTS 4 4 33 821 00 0 16 ** Routine LEVONE detects data discrepancy: DSB Indicates: 1 FRAMES Data Record Length Indicates: 50 FRAMES * DATA RECORD (TYPE# O) 1006 BYTES * Total Data Records: 4 Tape File Start Depth = 11152.000000 Tape File End Depth = 11191.500000 Tape File Level Spacing = 0.250000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 6766 datums Tape Subtile: 15 69 records... Minimum record length: 62 bytes Maximum record length: 1006 bytes Tape Subtile 16 Is type: IJS **** FILE HEADER **** MAD ,015 1024 LIS COMMENT RECORD(s): 123456789~123456789~1234567898123456789~123456789~123456789~123456798~123456789~ FILE HEADER FILE NUMBER: 15 ' RAW MAD Curves and log header data for each pass of each run in separate files. MAD RUN NUMBER: 2 MAD PASS NUMBER: 1 DEPTH INCREMENT: .2500 FILE SUMMARY VENDOR TOOL CODE START DEPTH MAD 11152.5 11198.0 $ LOG HEADER DATA DATE LOGGED: SOFTWARE SURFACE SOFTWARE VERSION: DOWNHOLE SOFTWARE VERSION: DATA TYPE (MEMORY OR REAL-TIME): TD DRILLER (FT): TOP LOG INTERVAL (FT): Bo'FrOM LOG INTERVAL (FT): BIT ROTATING SPEED (RPM): HOLE INCMNATION (DEG) MINIMUM ANGLE: MAXIMUM ANGLE: TOOL STRING (TOP TO BO'I-rOM) VENDOR TOOL CODE TOOL TYPE MAD NAVIGAMMA $ BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): DRill FR'S CASING DEPTH (F'r): BOREHOLE CONDITIONS MUD TYPE: MUD DENSITY (LB/G): MUD VISCOSITY (S): MUD PH: MUD CHLORIDES (PPM): FLUID LOSS (C3): STOP DEPTH 10 JUN 94 M1.34 M1.34 REAL-TIME .0 11152.5 11198.0 0 .0 .0 TOOL NUMBER 1378 6.750 .0 KCL,/XANVIS .00 .0 .0 0 .o RESISTIVITY (OHMM) AT TEMPERATURE (DEGF) MUD AT MEASURED TEMPERATURE (MT): .000 MUD AT MAX CIRCULATING TEMPERATURE: .000 MUD FILTRATE AT MT: .00o .0 MUD CAKE AT MT: .000 ,0 NEUTRON TOOL MATRIX: SANDSTONE MATRIX DENSITY: 2.65 HOLE CORRECTION (IN): 6.750 TOOL STANDOFF (IN): EWR FREQUENCY (HZ): REMARKS: $ CN WN FN COUN STAT : BP Exploration (Naska) : X-20 NC : Prudhoe Bay : North Slope : Naska .0 0 .0 .0 LIS COMMENT RECORD(s): 12345678901234567890123456789012345678901234567890123456789012345678901234567890 THIS FILE CONTAINS RAW MWD DATA FROM MAD PASS 2. * FORMAT RECORD (TYPE#64) Entry Type(4) Size(1) Repcode(66) Logging direction is down (value= 255) Entry Type(12) Size(4) Repcode(68) Null data value Is: -999.250000 Entry Type(16) Size(1) Repcode(68) Datum Specification Block Sub-type Is: Entry Block terminator. Summary of entry types encountered: 1 2 3 4 5 6 7 8 91011 1213141516 0001000000010001 Rep Code Count Bytes 68 5 20 Sum: 5 20 20 fndun a [F ] 1.00000000 3 ONE DEPTH PER FRAME Tape depth ID: F 5 Curves: APl APl APl APl Log Crv Crv Name Tool Code Samples Units Size Length Typ Typ CIs Mod 1 GRAXMAD 68 1 GAPI 4 4 33 821 00 0 2 GRBXMAD 68 1 GAPI 4 4 33 821 00 0 3 GRCXMAD 68 I GAPI 4 4 33 821 00 0 4 GRIXMAD 68 1 PTS 4 4 33 821 00 0 5 TCDXMAD 68 1 DEGF 4 4 33 821 00 0 20 ** Routine LEVONE detects data discrepancy: DSB indicates: 1 FRAMES Data Record Length Indicates: 42 FRAMES * DATA RECORD (TYPE# O) 1014 BYTES * Total Data Records: 5 Tape File Start Depth = 11152.500000 Tape File End Depth = 11198.000000 Tape File Level Spacing = 0.250000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 14663 datums Tape Subtile: 16 70 records... Minimum record length: 62 bytes Maximum record length: 1014 bytes Tape Subtile 17 Is type: US **** TAPE TRAILER MWD 94/ 1355 01 **** REEL TRAILER **** MWD 94/7/18 1355 01 Tape Subtile: 17 2 records... Minimum record length: 132 bytes Maximum record length: 132 bytes End of execution: Mort 18 JLY 94 2:23p Elapsed execution time = 1 minute, 8.5 seconds. SYSTEM RETURN CODE -- 0 Tape Subtile 1 Is type: US [--4 Tape Subtile 2 is type: US DEPTH GR ROP TEMP WOBS 10897.0000 93.0090 -999,2500 -999.2500 -999,2500 10897,5000 93,6110 -999.2500 -999,2500 -999.2500 10900.0000 97.0223 -999.2500 -999,2500 -999.2500 10950.0000 108.2247 76.2241 -999.2500 15.4988 11000.0000 141.1690 21,2289 -999.2500 53.2699 11050.0000 341.8356 347.1918 -999,2500 54.4260 11100.0000 71.9390 9.4865 -999.2500 69.0402 11150,0000 86.9890 17.5276 -999,2500 63.8122 11200.0000 100.1384 20.0321 -999.2500 56.6007 11250.0000 376.6834 60.8434 -999.2500 26.4897 11300.0000 29.7480 21.6902 -999.2500 24.5252 11350.0000 106.0939 20.2411 -999.2500 28.7430 11400.0000 37.9630 71.5025 -999.2500 27.9726 11450.0000 45.4880 31.3883 -999.2500 18.3318 11500,0000 35,9563 40.2310 -999.2500 26.2861 11550.0000 71.0730 15.8366 -999.2500 21.3868 11600.0000 48,7098 29,4487 -999.2500 23.3190 11650,0000 26.2864 20.1563 129.2000 10.1803 11700.0000 34,5137 48.9090 -999.2500 20.1237 11750.0000 23.7084 60.7791 -999.2500 22.4648 11800.0000 23.9593 8.6007 -999,2500 7.4408 11950,0000 64,5943 13.9807 -999,2500 8,7579 11 930.0000 47,7417 10.7752 -999.2500 7.5565 11950.0000 72.3117 20.2635 -999.2500 14.1513 12000.0000 28,9759 47.5570 136.4000 24.6254 12050.0000 27,4709 52.0088 -999.2500 22.0684 12100.0000 31.2442 19.4864 -999.2500 11.3072 12150.0000 21.7125 20.3299 -999.2500 16.5684 12200.0000 22.2142 40.6032 -999.2500 20.2689 12250.0000 22,8022 35.8995 -999.2500 17.4984 12300.0000 27.1657 79.7326 -999.2500 21.9671 12350.0000 28.6242 74.4232 -999.2500 28.1835 12400.0000 22.3466 38.0877 -999.2500 9,4112 12450.0000 30.1092 13,6630 -999.2500 5,4823 12500.0000 27.1982 49.4768 -999.2500 7.7974 12550.0000 74.2473 14.2983 -999.2500 59.7414 12600.0000 213.2175 8.5106 -999.2500 6.8811 12650.0000 41.6415 9.4891 147.2000 12.2265 12700.0000 22.2348 36.6517 -999.2500 25.3414 12750.0000 108.9244 7,9676 -999.2500 20.3118 12800.0000 536.3444 72.9657 -999,2500 23.6393 12650.0000 197.4510 12.3924 -999.2500 77.6229 12900.0000 298.5988 16.0469 147.7143 26.6066 12950.9800 -999,2500 9.7326 -999.2500 20,0656 12965.0000 -999.2500 -999.2500 -999.2500 -999.2500 Tape File Start Depth = 10897,000000 Tape File End Depth = 12965,000000 Tape File Level Spacing = 0.500000 Tape File Depth Units = Feet Tape Subtile 4 Is type: LIS DEPTH GR 11152.0000 111.7824 11152,5000 113.8617 11191.5000 113.2379 Tape File Start I~epth = 11152,000000 Tape File End Depth = 11191.500000 Tape File Level Spacing = 0.500000 Tape File Depth Units = Feet Il II II II '"il o~ °°° × x 0 ~O~m n~ M-.ob Tape Subtile 16 Is type: LIS DEPTH GRAX GRBX TCDX 11152.5000 99.0290 34.0000 -999.2500 11152.7500 -99,4052 -999.2500 34.1250 11198,0000 111.0690 38,0000 -999.2500 Tape File Start Depth = 11152.500000 Tape File End Depth = 11198.000000 Tape File Level Spacing = 0.250000 Tape File Depth Units = Feet GRCX 89.2835 89.6227 100.1386 GRIX Tape Subtile 17 is type: US E~ OO ~ ~ ~ 0 0000 0 0 0 0 ~ ~ ~ ~ O~ 0 ~ ~00 ~ 0 O0 · ee eee · ~ ~ ~ ~ ~ ~ 0 O0 000 0 0 O0 0 0 0 0 0 O0 ~ ~ ~ ~ ~ ~ 0 ~ O0 ~0 ~ 0 0 0 ~ ~ 0~ 0 0 ~ ~ ~ ~ ~ ~ ~ 0 0 0 0 000 0 0 ~ 0 O0 O0 O0 O0 0 ~ ~ ~ ~ ~ ~ ~ ~ ~0~0~0000~0~0~0~00~00~0~0000~00~00000~0~ 00~'~ 0 O0 tOO ,-( ,-t ,-"( ,-( 0 ~000 ~ ~000 ~ /??MATCHi. OUT /??MATCH2.OUT /??MATCH3.OUT /??MATCH4.0UT $ CN : BP EXPLORATION WN : X - 20PH FN : PRUDHOE BAY COUN : NORTH SLOPE STAT : ALASKA * FORMAT RECORD (TYPE# 64) ONE DEPTH PER FRAME Tape depth ID: F 11 Curves: Name Tool Code Samples Units 1 GR BCS 68 1 GAPI 2 DT BCS 68 1 US/F 3 TEND BCS 68 1 LB 4 TENS BCS 68 1 LB 5 LL8 DIL 68 1 OHMM 6 ILM DIL 68 1 OHMM 7 ILD DIL 68 1 OHMM 8 RT DIL 68 1 OHMM 9 DI DIL 68 1 IN 10 SP DIL 68 1 MV' 11 MTEM DIL 68 1 DEGF * DATA RECORD (TYPE# 0) Total Data Records: 43 Size 1014 BYTES * API API API API Log Crv Crv Length Typ Typ Cls Mod 4 67 465 06 6 4 84 653 71 5 4 20 789 90 0 4 20 789 90 0 4 50 746 76 1 4 50 746 76 1 4 50 746 76 1 4 50 746 76 1 4 50 746 76 1 4 50 746 76 1 4 50 746 76 1 44 Tape File Start Depth = 11401.000000 Tape File End Depth = 10957.000000 Tape File Level Spacing = 0.500000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 10669 datums Tape Subfile: 2 226 records... Minimum record length: 62 bytes Maximum record length: 1014 bytes Tape Subfile 3 is type: LIS FILE HEADER FILE NUMBER: 2 EDITED CASED HOLE MAIN PASS Depth shifted and clipped curves for open hole logs run into casing. PASS NUMBER: 7 DEPTH INCREMENT: .5000 FILE SUMMARY PBU TOOL CODE START DEPTH GRCH 9487.0 $ BASELINE CURVE FOR SHIFTS: STOP DEPTH 10957.0 CURVE SHIFT DATA (MEASURED DEPTH) EQUIVALENT UMSHIFTED DEPTH BASELINE DEPTH $ REMARKS: GAMMA RAY THROUGH CASING PASS. CN WN FN COUN STAT : BP EXPLORATION · : X - 20PH : PRUDHOE BAY : NORTH SLOPE : ALASKA * FORMAT RECORD (TYPE# 64) ONE DEPTH PER FRAME Tape depth ID: F 3 Curves: Name Tool Code Samples Units Size API API API API Log Crv Crv Length Typ Typ Cls Mod 1 GRCH GR 68 1 GAPI 4 2 TEND GR 68 1 LB 4 3 TENS GR 68 1 LB 4 4 21 990 60 6 4 10 579 41 1 4 10 579 41 1 12 * DATA RECORD (TYPE# 0) 1014 BYTES * Total Data Records: 47 Tape File Start Depth = 10957.000000 Tape File End Depth = 9483.000000 Tape File Level Spacing = 0.500000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 11797 datums Tape Subfile: 3 74 records... Minimum record length: 62 bytes Maximum record length: 1014 bytes 000 o o~-I0 0 0',~0 (DC) 0 ~-I 0 0 ~00000~0000~00 0 ,~I o Tape File Start Depth = 11401.000000 Tape File End Depth = 10849.000000 Tape File Level Spacing = 0.250000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 57059 datums Tape Subfile: 4 262 records... Minimum record length: 44 bytes Maximum record length: 1014 bytes 0 0 0 0 0 0 ~o0 I 0 o E~ 0 U o o ,ql 0 0 0 0 o 0 0 11 Tape File End Depth = 10824.000000 Tape File Level Spacing = 0.250000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 54155 datums Tape Subfile: 5 244 records... Minimum record length: 44 bytes Maximum record length: 1014 bytes Nil I~ 0000 .~ oq~ o~oooo ~0~0~0 ~~ ~ ~0~0~0 I ~ 0~0 0~00000 .~ ~ .~ -~ · · O~ ~ "~"~ ~ ~ .. ~0 0 O0 ~ z~ 0 =~0~0oo o 0 0 MATRIX DENSITY: HOLE CORRECTION (IN): TOOL STANDOFF (IN): REMARKS: GAMMA RAY THROUGH CASING PASS. $ CN : BP EXPLORATION WN : X - 20PH FN : PRUDHOE BAY COUN : NORTH SLOPE STAT : ALASKA * FORMAT RECORD (TYPE# 64) ONE DEPTH PER FRAME Tape depth ID: F 5 Curves: Name Tool Code Samples Units Size 1 GR GR 68 2 CHT GR 68 3 TTEN GR 68 4 SPD GR 68 5 TEMP GR 68 GAPI 4 LB 4 LB 4 F/MN 4 DEGF 4 .00 .000 * DATA RECORD (TYPE# 0) 1014 BYTES * Total Data Records: 147 1.5 API API API API Log Crv Crv Length Typ Typ Cls Mod 4 21 990 60 6 4 10 579 41 1 4 10 579 41 4 76 115 41 1 4 45 987 88 5 20 Tape File Start Depth = 11019.000000 Tape File End Depth = 9483.000000 Tape File Level Spacing = 0.250000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 93930 datums Tape Subfile: 6 216 records... Minimum record 'length: 62 bytes Maximum record length: 1014 bytes Tape Subfile 7 is type: LIS 94/ 6/ 2 01 **** REEL TRAILER **** 94/ 6/ 9 01 Tape Subfile: 7 Minimum record length: Maximum record length: End of execution: Thu 2 records... 132 bytes 132 bytes 9 JUN 94 3:32p Elapsed execution time = 14.50 seconds. SYSTEM RETURN CODE = 0