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Home My WebLink About205-119MEMORANDUM State of Alaska Alaska Oil and Gas Conservation Commission DATE:Friday, December 6, 2024 SUBJECT:Mechanical Integrity Tests TO: FROM:Sully Sullivan P.I. Supervisor Petroleum Inspector NON-CONFIDENTIAL Hilcorp North Slope, LLC L-218 PRUDHOE BAY UN ORIN L-218 Jim Regg InspectorSrc: Reviewed By: P.I. Suprv Comm ________ JBR 12/06/2024 L-218 50-029-23272-00-00 205-119-0 W SPT 3822 2051190 1500 1125 1128 1129 1128 457 463 463 463 4YRTST P Sully Sullivan 10/6/2024 tested to 1984 psi for 500 psi dp 30 MinPretestInitial15 Min Well Name Type Test Notes: Interval P/F Well Permit Number: Type Inj TVD PTD Test psi API Well Number Inspector Name:PRUDHOE BAY UN ORIN L-218 Inspection Date: Tubing OA Packer Depth 510 1984 1890 1877IA 45 Min 60 Min Rel Insp Num: Insp Num:mitSTS241009095731 BBL Pumped:1.5 BBL Returned:1.5 Friday, December 6, 2024 Page 1 of 1 99 999 9 9 9 9 99 9 9 9 9 9 James B. Regg Digitally signed by James B. Regg Date: 2024.12.06 11:00:23 -09'00' Kyle Wiseman Hilcorp Alaska, LLC Geotechnician 3800 Centerpoint Drive, Suite 1400 Anchorage, AK 99503 Tele: (907) 777-8337 E-mail: Kyle.Wiseman@hilcorp.com Please acknowledge receipt by signing and returning one copy of this transmittal. Received By: Date: Date: 11/29/2022 To: Alaska Oil & Gas Conservation Commission Natural Resource Technician 333 W 7th Ave Suite 100 Anchorage, AK 99501 SFTP DATA TRANSMITTAL T#20221129 Well API #PTD #Log Date Log Company Log Type AOGCC Eset# PBU L-207 50029237020000 221081 10/30/2022 Halliburton PPROF PBU L-218 50029232720000 205119 11/2/2022 Halliburton IPROF PBU V-137 50029235820000 217134 10/30/2022 Halliburton IPROF PBU D-31B 50029226720200 212168 7/5/2022 Baker SPN-PNC3D Please include current contact information if different from above. By Meredith Guhl at 11:38 am, Nov 29, 2022 T37332 T37333 T37334 T37335 PBU L-218 50029232720000 205119 11/2/2022 Halliburton IPROF Meredith Guhl Digitally signed by Meredith Guhl Date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y Samantha Carlisle at 9:45 am, Jan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y Samantha Carlisle at 8:35 am, Dec 28, 2021 'LJLWDOO\VLJQHGE\6WDQ*ROLV '1FQ 6WDQ*ROLV RX 8VHUV 'DWH 6WDQ*ROLV 0*5-$1'65'/% ; 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Supervisor FROM: Bob Noble Petroleum Inspector NON -CONFIDENTIAL State of Alaska Alaska Oil and Cas Conservation Commission DATE: Monday, October 26, 2020 SUBJECT: Mechanical Integrity Tests Llilcorp North Slope, LLC L-218 PRUDHOE BAY UN ORIN L-218 Src: Inspector Reviewed By- P.I. Supry J Comm Well Name PRUDHOE BAY UN ORIN L-218 API Well Number 50-029-23272-00-00 Inspector Name: Bob Noble Permit Number: 205-119-0 Inspection Date: 10/19/2020 Insp Num: mitRCN20I019163423 Rel Insp Num: Packer Well L-218 Type Inj w TVD PTD 2051190 .Type Test SPT Test psi BBL Pumped: 07 - BBL Returned: Interval 4YRTST P/F Notes: Depth 3822 Tubing 1500 IA 0.7 OA P / Pretest Initial 15 Min 30 Min 45 Min 60 Min 776 - 781 776 777 1147 1902 1851 - 1846 - 428 - 431 431 431 Monday, October 26, 2020 Page I of I MEMORANDUM • State of Alaska Alaska Oil and Gas Conservation Commission DATE: Friday,November 04,2016 TO: Jim Reggeiy ii lla`lc, P.I.Supervisor l I SUBJECT: Mechanical Integrity Tests BP EXPLORATION(ALASKA)INC. L-218 FROM: Johnnie Hill PRUDHOE BAY UN ORIN L-218 Petroleum Inspector Src: Inspector Reviewed By: P.1.Suprv,J�'— NON-CONFIDENTIAL Comm Well Name PRUDHOE BAY UN ORIN L-218 API Well Number 50-029-23272-00-00 Inspector Name: Johnnie Hill Permit Number: 205-119-0 Inspection Date: 10/18/2016 Insp Num: mitJWH161018153230 Rel Insp Num: Packer Depth Pretest Initial 15 Min 30 Min 45 Min 60 Min Well L-218 - Type Inj�W TVD 3822 Tubing 329 418 . 418 . 403 . PTD 2051190 Type Test SPT Test psi 1500 ' IA 36 1797 1722 1702 Interval !4YRTST P/F-.--.-.—_-_ P OA 380 387 - 387 386 . Notes: 1.51 bbls of diesel used ' 0®ED APR 2 12017 Friday,November 04,2016 Page 1 of 1 • • Wallace, Chris D (DOA) From: AK, D&C Well Integrity Coordinator <AKDCWeIlIntegrityCoordinator@bp.com> Sent: Saturday, June 11, 2016 6:52 PM To: AK, OPS GC2 OSM;AK, OPS GC2 Field O&M TL; AK, OPS GC2 Wellpad Lead;AK, OPS Prod Controllers; Cismoski, Doug A; Daniel, Ryan; AK, D&C Wireline Operations Superintendent; AK, D&C Well Services Operations Superintendent; AK, RES GPB West Wells Opt Engr; AK, RES GPB East Wells Opt Engr; AK, OPS PCC Ops Lead; AK, OPS WELL PAD W; Zoesch, Eric; Wallace, Chris D (DOA) Cc: AK, D&C DHD Well Integrity Engineer;AK, D&C Projects Well Integrity Engineer; AK, OPS FF Well Ops Comp Rep;AK, D&C Well Integrity Coordinator; McVey, Adrienne; Regg, James B (DOA); Hibbert, Michael; Janowski, Carrie; Montgomery, Travis J; Munk, Corey; Obrigewitch, Beau; Pettus, Whitney; Sternicki, Oliver R; Tempel, Troy; Worthington, Aras J Subject: NOT OPERABLE:Injector L-218 (PTD#2051190) Will Remain Shut In Past AOGCC MIT Test Date All, Injector L-218 (PTD#2051190) is due for an AOGCC-witnessed test by the end of July 2016.There are no plans to bring the well online until 2017.The well is reclassified as Not Operable, and should remain shut in. Thanks, Adrienne McVey Well Integrity Superintendent—GWO Alaska (Alternate:Jack Lau) 0: (907)659-5102 C:(907)943-0296 H: 2376 SCANNED Email: AKDCWeIlIntegrityCoordinator n@ BP.com 1 • • Z ec i Regg, James B (DOA) From: King, Whitney [Whitney.King1 @bp.com] 721, 66(w Sent: Wednesday, June 06, 2012 9:35 PM To: AK, D &C Well Integrity Coordinator; Regg, James B (DOA); Schwartz, Guy L (DOA); AK, OPS 2 M; AK, OPS GC2 Field O &M TL; AK, OPS GC2 Well ad Lead; AK GC OS p AK, OPS Well Pad LV; AK, OPS Prod Controllers; Cismoski, Doug A; AK, D &C Wireline Operations Team Lead; AK, D &C Well Services Operations Team Lead; AK, RES GPB West Wells Opt Engr; Daniel, Ryan; Derrick, Mackie Cc: Arend, Jon (NORTHERN SOLUTIONS LLC); Wills, Shane M; LeBaron, Michael J; King, Whitney; Yeager, Kevin E Subject: UNDER EVALUATION: L -211 (PTD #2040290) , L -212 (PTD# 2050300), L -218 (PTD # 2051190) Wells Due for MITIA Compliance Testing All, Injectors L -211 (PTD #2040290) , L -212 (PTD # 2050300), L -218 (PTD #2051190) exceeded their 4 year MIT -IA requirement due to being shut in for reservoir management. Injector L -211 (PTD # 2040290) passed an MIT -IA to 4000 psi on 05/31/12. Injector L -212 (PTD # 2050300) passed an MIT -IA to 4000 psi on 05/31/12. Injector L -218 (PTD # 2051190) passed an MIT -IA to 4000 psi on 06/02/12. These wells are ready to be put back on injection and are being reclassified as Under Evaluation so that an AOGCC MIT -IA can be obtained once the wells are thermally stable. Please be aware of the potential for annular fluid expansion when putting these wells on injection. Please call if there are any questions. Thank you, Whitney King filling in for Gerald Murphy (alt. Mehreen Vazir) Well Integrity Coordinator Office (907) 659 -5102 Cell (907) 752 -07.55 Pager (907) 659 -5100 Ext. 1154 JUL 1 3 'O14 1 ~ • BP Exploration (Alaska) Inc. Attn: Well Integrity Coordinator, PRB-20 ~~ Post Office Box 196612 Anchorage, Alaska 99519-6612 i76..~w'~ti..~~~ L~~t.-r i` ~~;r 't, `^,~& L~ u J August 14, 2009 bp ~~~~~~~~ Mr. Tom Maunder Alaska Oil and Gas Conservation Commission 333 West 7th Avenue Anchorage, Alaska 99501 Subject: Corrosion Inhibitor Treatments of GPB L-Pad Dear Mr. Maunder, 0 C T 4 5 2009 blas~Ca ~ii ~C Gas Cons. Commi~sion Anchorage a.o5'~- ~ ~ ~ L--~---" ~ ~ ~ Enclosed please find multiple copies of a spreadsheet with a list of wells from GPB L- Pad that were treated with corrosion inhibitor in the surface casing by conductor annulus. The corrosion inhibitor is engineered to prevent water from entering the annular space and causing external corrosion that could result in a surface casing leak to atmosphere. The attached spreadsheet represents the well name, API and PTD numbers, top of cement depth prior to filling and volumes of corrosion inhibitor used in each conductor. As per previous agreement with the AOGCC, this letter and spreadsheet serve as notification that the treatments took place and meet the requirements of form 10-404, Report of Sundry Operations. If you require any additional information, please contact me or my alternate, Anna Dube, at 659-5102. Sincerely, Torin Roschinger BPXA, Well Integrity Coordinator • BP Exploration (Alaska ) Inc. ~ Surtace Casing by Conductor Mnulus Cement, Corrosion inhibitor, Sealant Top-oH Report of Sundry Operetions (10-404) ~ate L pad 8/13/2009 Well Name PTD # API # Initial to of cement Vol. of cement um ed Final top of cement Cement top off date Corrosion inhibitor Corrosion inhibitod sealant date ft bbls (t na al L-Ot 2010720 50029230110000 NA 6 NA 61.2 6/25/2009 L-02A 2041490 50029230480100 NA 1.4 NA 14.5 6/27/2009 L-03 2051030 50029232690000 NA 2.8 NA 24.7 6/25/2009 L-04 2061200 50029233190000 NA 1.7 NA 15.3 6/25/2009 L-t00 1980550 50029228580100 NA 6.2 NA 57.8 6/29/2009 L-101 1980320 50029228650000 NA 3.3 NA 30.6 6/29/2009 L-102 2020360 50029230710000 37' NA Need To Job? NA L-103 2021390 50029231010000 NA 1.6 NA 10.2 6/26/2009 L-104 2012380 50029230600000 NA 3.5 NA 47.6 5/6/2009 L-105 2020580 50029230750000 NA 1.75 NA 24.65 5/6/2009 L-106 2012230 50029230550000 NA 2.75 NA 28.05 5/6/2009 L-107 2011510 50029230360000 NA 4.8 IJA 57.8 5/6/2009 L-108 2021090 50029230900000 NA 12 NA 13.8 6/25/2009 L-109 2012010 50029230460000 NA 2.9 NA 32.3 6/27/2009 L-110 2011230 50029230280000 NA 27 NA 316.2 6/29/2009 L•111 2020300 50029230690000 NA 4.7 NA 54.4 6/29/2009 L-112 2022290 50029231290000 NA 5.5 NA 51 6/27/2009 L-114A 2051120 50029230320100 NA 2.5 NA 25.5 6/29/2009 L-115 2011400 50029230350000 NA 0.5 NA 3.4 6/27/2009 L-116 2011160 50029230250000 NA 5 NA 54.4 6/28/2009 L-117 2011670 50029230390100 NA 2.9 NA 28.9 6/27/2009 L-118 2011870 50029230430000 NA 1.4 NA 15.3 6/27/2009 L-119 2020640 50029230770000 NA 2.25 NA 28.9 5/6/2009 ~-120 2020060 50029230640000 NA 0.75 NA 6.8 5/5/2009 L-121A 2030390 50029231380100 NA 2.2 NA 25.5 6/27/2009 L-122 2030510 50029231470000 NA 2 NA 20.4 6/27/2009 L-123 2051940 50029232900000 NA 2 NA 18.7 6/27/2009 L-124 2050430 50029232550000 NA 1.8 NA 17 6/27/2009 L-200 2040010 50029231910000 NA 1.8 NA 13.5 6/26l20Q9 L-2a1 2040460 50029232020000 NA 1.75 NA 15.3 5/6/2009 L-202 2041960 50029232290000 NA 2 NA 17 6/26/2009 L-204 2060920 5~29233140000 NA 1.5 NA 5.95 5/6/2009 L-205 2080530 50029233880000 NA 1 NA 12.75 1/10/2009 L410 2031990 50029231870000 NA 325 NA 31.4 5/5/2009 L-211 2040290 50029231970000 NA 1.8 NA 17 6/27/2009 L-212 2050300 50029232520000 NA 1.8 NA 17 6/26/2009 L-213 2060530 50029233080000 NA 2 NA 17 6/25/2009 L-214A 2060270 50029232580100 NA 025 NA 10.2 5/6/2009 L-215 2051270 50029232740000 NA 1.5 NA 30.6 5/6/2009 L-216 2040650 50029232060000 NA 1.3 NA 11.9 6/26/2009 L-217 2060750 50029233120000 late blockin conductor NA NA L-218 2051190 50029232720000 NA 1.7 NA 15.3 6/27/2009 L419 2071480 50029233760000 surface NA NA L-220 2080470 50029233870000 NA 2 NA 20.4 6/28/2009 L-221 2080310 50029233850000 NA 1.7 NA 162 6/25/2009 L-250 2051520 50029232810000 NA 3.4 NA 34 6/26/2009 L-50 2051360 50029232770000 NA t.8 NA 20.4 6i27/2009 L-51 2060590 50029233090000 NA 1.8 NA 17 6/27/2009 U ~- ~-. Sc[~lum~erger Schlumberger-DCS 2525 Gambell St, Suite 400 Anchorage, AK 99503.2838 ATTN: Beth Well Job # Log Description NO. 4250 Company: Alaska Oil 8 Gas Cons Comm ANn: Christine Mahnken 333 West 7th Ave, Suite 100 Anchorage, AK 99501 Field: Borealis Orion Date BL Color CD L-114A 40012309 OH EDIT MWDILWD 08120/05 2 1 L-218 40012334 OH EDIT MWDILWD 08130/05 2 1 PLEASE ACKNOWLEDGE RECEIPT BY SIGNING AND RETURNING ONE COPY EACH TO: BP Exploration (Alaska) tnc Schlumberger-DCS Petroteehnical Data Center LR2-1 900 E Benson Blvd ~,,,,, ~ ~ ~ - k,,,,, ~ ~~ 2525 Gambell St, Suite 400 Anchorage, AK 99503-2638 Anchorage AK 99508-4254 ,~,-,~ ;,„ir r~ ~ w ~,~ t~ ATTN: Beth Date Delivered: Received by~ 4,.... h i~ ._- . 4 '~~~ ~ ~ ~ ., 4J .L. V i' Y W ~~ r~C,~~ -/iii ~ ~J ~~C/ 05/04!07 CJ 4 ~- ;~ ~ ~ ~ DATA SUBMITTAL COMPLIANCE REPORT 10/29/2007 Permit to Drill 2051190 Well Name/No. PRUDHOE BAY UN GRIN L-218 Operator BP EXPLORATION (ALASKA) INC API No. 50-029-23272-00-00 MD 7325 TVD 4570 Completion Date 9/6/2005 Completion Status 1WINJ Current Status 1WINJ UIC Y REQUIRED INFORMATION Mud Log No Samples No Directional Survey Yes DATA INFORMATION Types Electric or Other Log s Run: (data taken from Logs Portion of Master Well Data Maint Well Log Information: Log/ Electr Data Digital Dataset Log Log Run Interval OH / Type Med/Frmt Number Name Scale Media No Start Stop CH Received Comments D Asc Directional Survey 0 7325 Open 9/8/2005 'Rpt Directional Survey 0 7325 Open 9/8/2005 ~Rpt Directional Survey 0 1470 Open 10/4/2005 Gyro fln~ 4 o Ta _R loooo Fa~mat~e^ ""'sre Ima 8 8 6/1112996 1 6BWG RB1 94 d 2A04 p p an ~g See Notes Col 1 5654 6761 Case 4/30/2007 Modular Dynamic Tester I Sampling Record, ACTS, GR, MRPA, PO, FA, MS 'i SC 4-Sept-2005 ~og Cement Evaluation 5 Col 1 3950 7100 Case 4/30/2007 Cement/Pertoration Evaluation, GR, DSLT, USIT 4-Sept-2005 ~D C Lis 15124'' Induction/Resistivity 108 7324 Open 5/16/2007 LIS Veri, FET, GR, ROP, DRHO, NPHI, TRPM IXog 15124 Induction/Resistivity 2 Blu 108 7325 Open 5/16/2007 MD Vision Service 30-Aug- "2007 og 15124 Induction/Resistivity 2 Blu 108 7325 Open 5/16/2007 TVD-~/ision Service 30- Aug-2007 Well Cores/Samples Information: Name Sample Interval Set Start Stop Sent Received Number Comments DATA SUBMITTAL COMPLIANCE REPORT 10/29/2007 Permit to Drill 2051190 Well Name/No. PRUDHOE BAY UN ORIN L-218 Operator BP EXPLORATION (ALASKA) INC API No. 50-029-23272-00-00 MD 7325 TVD 4570 .Completion Date 9/6/2005 ADDITIONAL INFORMATION Well Cored? ~/ N ~ 1 ~ t W n~\ Q ~~ Chips Received? •--"-,-~_ Analysis Y~lj Received? Comments: Compliance Reviewed By: Completion Status 1WINJ Current Status 1WINJ UIC Y Daily History Received? Y / N Formation Tops ~N Date: !w C.1 7 04125/07 Sc~lum~erger Schlumberger-DCS 2525 Gambell St, Suite 400 Anchorage, AK 99503-2838 ATTN: Beth Well Job # Log Description NO. 4223 Company: Alaska Oil 8 Gas Cons Comm Attn: Christine Mahnken 333 Wesf 7th Ave, Suite 100 Anchorage, AK 99501 Field: Aurora Orion Date BL Color CD L-213 - W-210 5-104 11649950 11626075 70563057 MEMORY (PROF USIT INJECTION PROFILE 03/17107 03/O6I07 05103/03 1 1 1 L-218 L-218 S-171PB1 10913045 10913045 40011960 CEMENTIPERF EVALUATION MDT OH EDIT MWD/LWD 09!04/05 09/04/05 05124105 2 1 1 1 S-111P82 L-202 L-202Lt 40011960 40012011 40012011 OH EDIT MWD/LWD OH EDIT MWD/LWD OH EDIT MWD/LWD 06106105 06117!05 06/24105 2 2 2 1 1 1 L-202L2 L-202L3 S-122 40012011 40012011 40012137 OH EDIT MWD/LWD OH EDIT MWDILWD OH EDIT MWD/LWD 06/29/05 07105105 08!77/05 2 2 2 1 1 1 S-122P61 S-122P82 5-122P83 40012137 40012137 40012137 OH EDIT MWDILWD OH EDIT MWD/LWD OH EDIT MWDILWD 08/09/05 08/14/05 08/15/05 2 2 2 1 1 1 PLEASE ACKNOWLEDGE RECEIPT BY SIGNING AND RETURNING ONE COPY EACH TO: ..., ,,.fir BP Exploration (Alaska) Inc. ° Petrotechnical Data Center LR2-1 ~ - 900 E Benson Blvd. Anchorage AK 99508-4254 App ®007 Date Delivered: r~ldSl~ III ~ 5~ 1i11OVY r ~ v~C X05 - (~ ~ Schlumberger-DCS 2525 Gambell St, Suite 400 Anchorage, AK 99503-2838 ATTN: Beth Received bv: `g-.: MEMORANDUM To: Jim Regg P.I. Supervisor ~~~ ~ ~~ ~ 4-~C~j FROM: Lou Grimaldi Petroleum Inspector State of Alaska Alaska Oil and Gas Conservation Commission DATE: Monday, April 10, 2006 SUBJECT: Mechanical Integrity Tests BP EXPLORATION (ALASKA) INC L-218 PRUDHOE BAY UN ORIN L-218 Src: Inspector NON-CONFIDENTIAL Reviewed By: P.I. Suprv ~}~- Comm Well Name: PRUDHOE BAY UN GRIN L-218 Insp Num: mitLG060408085700 Rel Insp Num API Well Number Permit Number: 50-029-23272-00-00 205-119-0 Inspector Name: Lou Grimaldi Inspection Date: 4/8!2006 Packer Depth Pretest Initial 15 Min. 30 Min. 45 Min. 60 Min. Well ~ L-zIS Type Inj. j ~' j TVD 3sI1 'I IA ~ Io ~ za9o ~ zaso ~ zazo P.T. ~ zosll9o ~TypeTest 1 SPT i Test psi 9sz.7s I pA ! 20o j ago ~I s9o 3~o I Interval INITAL P/F P Tubing ~ sso sso ~ sso ~ sso I ~ Notes Monday, April 10, 2006 Page 1 of 1 ~^ STATE OF ALASKA • ' ALASKA LAND GAS CONSERVATION COMMON c WELL COMPLETION OR RECOMPLETION REPORT AND LOG REGEIVEL~ NOV 3 0 2005 Rea10j~/~gt~11>9~ X810(0 ia. Well Status: ^ Oil ^ Gas ^ Plugged ^ Abandoned ^ Suspended ^ WAG zoAACZS.,os zoAACZS.,,o ^ GINJ ®WINJ ^ WDSPL No. of Completions One Other ib. Well Class: ^ Development ^ Exploratory ^ Stratigraphic ®Service 2. Operator Name: BP Exploration (Alaska) Inc. 5. Date Comp., Susp., or Aband. 9/6/2005 12. Permit to Drill Number 205-119 3. Address: P.O. Box 196612, Anchorage, Alaska 99519-6612 6. Date Spudded 8/24/2005 13. API Number 50-029-23272-00-00 4a. Location of Well (Governmental Section): Surface: ' ' 7. Date T.D. Reached 8/30/2005 14. Well Name and Number: PBU L-2181 2517 FSL, 3904 FEL, SEC. 34, T12N, R11 E, UM Top of Productive Horizon: 1070' FSL, 5218' FEL, SEC. 27, T12N, R11 E, UM g. KB Elevation (ft): 76.4' 15. Field /Pool(s): Prudhoe Bay Field / Orion Schrader Bluff Total Depth: 1786' FSL, 484' FEL, SEC. 28, T12N, R11E, UM 9. Plug Back Depth (MD+TVD) 7223 + 4516 Ft 4b. Location of Well (State Base Plane Coordinates): Surface: x- 583011 y- 5978236 Zone- ASP4 10. Total Depth (MD+TVD) 7325 + 4570 Ft 16. Property Designation: ADL 028238 __ --------- ------- TPI: x- 581646 y- 5982054 Zone- ASP4 Total Depth: x- 581092 y- 5982764 Zone- ASP4 11 • Depth where SSSV set (Nipple) 3222' MD 17. Land Use Permit: --------------- -------------------- ------- f t i f P 18. Directional Survey ®Yes ^ No 19. Water depth, if offshore N/A MSL erma ros ckness o 20. Th 1900' (Approx.) 21. Logs Run: MWD / GR, MWD / GR / RES / AZI-DEN / NEU / PWD / NMR, Sidewall Cores, USIT / CBL / GR, MDT 2. CASING, LINER AND CEMENTING RECORD CASING ETTING EPTH MD ETTINC~ EPTH TVD HOLE.' AMOUNT -$IZE WT. PER FT. GRADE OP TTOM OP TTOM SIZE CEMENTING RECORD PULLED 20" 215.5# A-53 Surface 109' Surface 109' 42" 60 sx Arctic Set A rox. 9-5/8" 40# L-80 29' 3456' 29' 2593' 12-1/4" 18 sx Arcticset Lite, 384 sx Class 'G' 7" 26# L-80 26' 7306' 26' 4560' 8-3/4" 82 sx Class 'G' 23. Perforations open to Produc tion (MD + TV D of Top and " " 24.` ' TueING RECORD Bottom Interval, Size and Number; if none, state none ): SIZE DEPTH SET (MD) PACKER SET (MD) 4-1/2" Gun Diameter, 5 spf 4-1/2" Gun Diameter, 5 spf 3-1/2", 9.2#, L-80 6899' 5915', 6493', 6630', 6830' MD ND MD TVD 5954' - 5955' 3841' - 3842' 6207 - 6208' 3979' - 3979' 5966' - 5967' 3848' - 3848' 6542' - 6600' 4155' - 4183' 25_ ACID, FRACTURE, CEMENT SQUEEZE, ETC. 6116' - 6117' 3928' - 3928' 6652' - 6710' 4209' - 4238' ' ' ' ' ' ' ' ' DEPTH INTERVAL MD AMOUNT & KIND OF MATERIAL USED 6122 - 6123 3931 - 3932 6745 - 6765 - 4266 4255 6201' - 6202' 3975' - 3976' 6934' - 7016' 4356' - 4402' Freeze Protect with 93 Bbls of Diesel 26• PRODUCTION TEST Date First Production: November 2, 2005 Method of Operation (Flowing, Gas Lift, etc.): Water Injection Date of Test Hours Tested PRODUCTION FOR TEST PERIOD OIL-BBL GAS-McF WATER-BBL CHOKE SIZE GAS-OIL RATIO Flow Tubing Press. Casing Pressure CALCULATED 24-HOUR RATE OIL-BBL GAS-MCF WATER-BBL OIL GRAVITY-API (CORK) 27. CORE DATA Brief description of lithology, porosity, fractures, apparent dips and presence of oil, gas or water (attach separate sheet, if necessary). Submit core chips; if none, state "none". S ~ ~~E~: ~ i~ 200 None !i~~j, ' ~~1~~, r:0 s Form 10-407 Revised 12/2003 C T UED ON REVERSE SIDE ~~ ~.. 2~ GEOLOGIC MARKERS 29' MATION TESTS Include and briefly summarize test results. List intervals tested, NAME MD TVD and attach detailed supporting data as necessary. If no tests were conducted, state "None". Ugnu 3894' 2787' None Ugnu MA 5853' 3791' Ugnu M61 5932 3830 Ugnu MB2 6046' 3890' Ugnu MC 6166' 3955' Schrader Bluff NA 6255' 4006' Schrader Bluff NB 6290' 4026' Schrader Bluff NC 6364' 4067' Schrader Bluff OA 6542' 4155' Schrader Bluff OBa 6652' 4209' Schrader Bluff OBb 6742' 4254' Schrader Bluff OBc 6843' 4307' Schrader Bluff OBd 6932' 4355' Schrader Bluff OBe 7042' 4416' Schrader Bluff OBf 7113' 4456' Base Schrader Bluff OBf 7195' 4501' 30. List of Attachments: Summary of Daily Drilling Reports, Well Schematic Diagram, Surveys 31. I hereby certify that the foregoing is true and correct to the best of my knowledge. Signed t D t T h i l A i t / Titl ~ ~~~ a e e ec n ca ss s an Terrie Hubble / PBU L-2181 205-119 Prepared 8y Name/Number Terrie Hubbl@, 564-4628 Well Number Permit No. / A royal No. Drilling Engineer: John Rose, 564-5271 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 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. ITEM 4b: TPI (Top of Producing Interval). ITEM 8: The Kelly Bushing elevation in feet above mean low low water. Use same as reference for depth measurements given in other spaces on this form and in any attachments. ITEM 13: The API number reported to AOGCC must be 14 digits (ex: 50-029-20123-00-00). ITEM 20: True vertical thickness. ITEM 22: Attached supplemental records for this well should show the details of any multiple stage cementing and the location of the cementing tool. ITEM 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). ITEM 26: Method of Operation: Flowing, Gas Lift, Rod Pump, Hydraulic Pump, Submersible, Water Injection, Gas Injection, Shut-In, or Other (explain). ITEM 27: If no cores taken, indicate "None". ITEM 29: List all test information. If none, state "None". Form 10-407 Revised 12!2003 Submit Original Only STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMM15510N ~~j (J ~ ~Dd WELL COMPLETION OR RECOMPLETION REPORT AND LOG A,I;~s~:~ EJu i3~ Gas CQnS. Gomm1SSI0t1 Anch~r~~rs 1a. Well Status: ^ Oil ^ Gas ^ Plugged ^ Abandoned ^ Suspended ^ WAG 20AAC 25.105 20AAC 25.110 ^ GINJ ®WINJ ^ WDSPL No. of Com letions One p Other 1b. Well Class: ^ Development ^ Exploratory ^ Stratigraphic ®Service 2. Operator Name: BP Exploration (Alaska) Inc. 5. Date Comp., Susp., or Aband. 9/6/2005 12. Permit to Drill Number 205-119 3. Address: P.O. Box 196612, Anchorage, Alaska 99519-6612 6. Date Spudded 8/24/2005 13. API Number 50-029-23272-00-00 4a. Location of Well (Governmental Section}: Surface: 2517' FSL ' E 7. Date T.D. Reached 8/30/2005 14. Well Name and Number: PBU L-2181 , 3904 F L, SEC. 34, T12N, R11E, UM Top of Productive Horizon: 1070' FSL, 5218' FEL, SEC. 27, T12N, R11 E, UM g, KB Elevation (ft): 76.4' 15. Field /Pool(s): Prudhoe Bay Field / Orion Schrader Bluff Total Depth: 1786' FSL, 484' FEL, SEC. 28, T12N, R11E, UM 9. Plug Back Depth (MD+TVD) 7223 + 4516 Ft 4b. Location of Well (State Base Plane Coordinates}: Surface: x- 583011 y- 5978236 Zone- ASP4 10. Total Depth (MD+TVD) 7325 + 4570 Ft 16. Property Designation: ADL 028238 TPI: x- 581646 y- 5982054 Zone- ASP4 Total Depth: x- 581092 Y- 5982764 Zone- ASP4 11. Depth where SSSV set (Nipple) 3222' MD 17. Land Use Permit: 18. Directional Survey ®Yes ^ No 19. Water depth, if offshore N/A MSL 20. Thickness of Permafrost 1900' (Approx.) 21. Logs Run: MWD / GR, MWD / GR / RES / AZI-DEN / NEU I PWD / NMR, Sidewall Cores, USIT / CBL / GR, MDT 2. CASING, LINER AND EMENTING RECORD CASING ETTING'DEPTH'MO' ETTING EPTH TVD HOLE AMOUNT SIZE WT. PER FT. GRADE Op OTTOM OP OTTOM SIZE CEMENTING RECORD PULLED '' 20" 215.5# A-53 Surface 109' Surface 109' 42" 260 sx Arctic Set A rox. 9-5/8" 40# L-80 29' 3456' 29' 2593' 12-1 /4" 518 sx Arcticset Lite, 384 sx Class 'G' 7" 26# L-80 26' 7306' 26' 4560' 8-314" 82 sx Class 'G' 23. Perforations open to Produc tion (MD +TV D of Top and " " 24. TueiNG RECORD Bottom Interval, Size and Number; if none, state none ): SIZE DEPTH SET (MD) PACKER SET (MD) 4-1/2" Gun Diameter, 5 spf 4-1/2" Gun Diameter, 5 spf 3-1/2", 9.2#, L-80 6899' 5915', 6493', 6630', 6830' MD TVD MD TVD 5954' - 5955' 3841' - 3842' 6207 - 6208' 3979' - 3979' 5966' - 5967 3848' - 3848' 6542' - 6600' 4155' - 4183' 25: ACaD, FRACTURE, CEMENT SQUEEZE, ETC. 6116' - 6117' 3928' - 3928' 6652' - 6710' 4209' - 4238' 6122' - 6123' 3931' - 3932' 6745' - 6765' 4255' 4266' DEPTH INTERVAL MD AMOUNT & KIND OF MATERIAL USED - 6201' - 6202' 3975' - 3976' 6934' - 7016' 4356' - 4402' Freeze Protect with 93 Bbls of Diesel 26. PRODUCTION TEST Date First Production: Not on Injection Yet Method of Operation (Flowing, Gas Lift, etc.}: N/A Date of Test Hours Tested PRODUCTION FOR TEST PERIOD OIL-BBL GAS-MCF WATER-BBL CHOKE SIZE GAS-OIL RATIO Flow Tubing PreSS. Casing Pressure CALCULATED 24-HOUR RATE OIL-BBL GAS-McF WATER-BBL OIL GRAVITY-API (CORK) 27. CORE DATA Brief description of lithology, porosity, fractures, apparent dips and presence of oil, gas or water (attach separate sheet, if necessary). Submit core chips;rf none, state "none". ~ ~ _ ~~:~ ~, C~:.~~ ~ ~ 2005 None ~ , -~" fir, .Fly} Form 10-407 Revised 12/2003 CONTINUED ON REVERSE $IDE ~+°`'~ t ~ ~ v o ~ r~ 28. GEOLOGIC MARKERS 29' ORMATION TESTS Include and briefly summarize test results. List intervals tested, NAME MD TVD and attach detailed supporting data as necessary. If no tests were conducted, state "None". Ugnu 3894' 2787' None Ugnu MA 5853' 3791' Ugnu MB1 5932 3830 Ugnu M62 6046' 3890' Ugnu MC 6166' 3955' Schrader Bluff NA 6255' 4006' Schrader Bluff NB 6290' 4026' Schrader Bluff NC 6364' 4067' Schrader Bluff OA 6542' 4155' Schrader Bluff OBa 6652' 4209' Schrader Bluff OBb 6742' 4254' Schrader Bluff OBc 6843' 4307' Schrader Bluff OBd 6932' 4355' Schrader Bluff OBe 7042' 4416' Schrader Bluff OBf 7113' 4456' Base Schrader Bluff OBf 7195' 4501' 30. List of Attachments: Summary of Daily Drilling Reports, Well Schematic Diagram, Surveys 31. I hereby certify that the foregoing is true and correct to the best of my knowledge. Signed Terrie Hubble ~ Title Technical Assistant Date V - -d5 PBU L-2181 205-119 Prepared ey Name/Number Terrie Hubble, 564-4628 Well Number Drilling Engineer: John Rose, 564-5271 Permit No. / A royal No. INSTRUCTIONS GeNeRnL: This form is designed for submitting a complete and correct well completion report and log on all types of lands and leases in Alaska 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. ITEM 4b: TPI (Top of Producing Interval). IreM 8: The Kelly Bushing elevation in feet above mean low low water. 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: True vertical thickness. 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: If no cores taken, indicate "None". IreM 29: List all test information. If none, state "None". Form 10-407 Revised 12/2003 Submit Original Only Pressure and Drawdown Summary - L-218 (MDT) FN# Time Depth Zone TVD Temp Before After Time Flow Buildup Delta P Pump Pump Pump Flow Comments ft ft F psi psi min psi psi psi Vol Vol Time (Hydro) (Hydro) cc BBI Min cc/min 7 17:20 6750.5 Obb 4262 2100 40 2069 2105 36 53020 0.3 40 1325.5 Poor cement -flow behind pipe & no draw down 8 18:06 6761.5 OBb 4268 83 2103 31 1915 2058 143 44460 0.3 33 1347.3 Poor cement -flow behind pipe & no draw down 9 18:47 6567.5 OA 4168 85 2056 2056 194 1551 1915 364 305955 1.8 187 1636.1 Brine only, probably from invasion 10 22:18 6664.5 Oba 4218 84 2079 2080 120 1707 1944 237 145665 0.9 118 1234.4 Brine only, probably from invasion 14 1:12 6201.5 Mc 3980 85 1963 1980 52 1908 1941 33 8180 0.0 5 1636 Flow behind Pipe? 15 2:14 6116.5 Mb2 3936 80 1941 1939 100 1908 1942 34 161460 1.0 96 1681.9 Flow behind Pipe? 16 4:08 5954.5 Mb1 3853 80 1897 1897 130 1692 1903 211 199485 1.2 122 1635.1 Brine only, probably from invasion 17 6:37 6657.5 Oba 4214 79 2078 2079 70 2049 2080 31 104715 0.6 71 1474.9 Flow behind Pipe? • Well: BP (Alaska) Inc., L-2181 Field: Orion Loc: Sec 24,T12N,R11 E State: Alaska L-2181 SIDEWALL CORES (" -All sidewall core depths referenced to Schlumberger LWD depths) S I No. De th * Fm Recove in. Condition Litholo Comments 1 6984 OBd None Misfire 2 6974 OBd 1 Good SS 3 6957 OBd 0.75 Good SS 4 6848 OBc 0.75 Good SS 5 6846 OBc 1 Good SS 6 6762 OBb 1.25 Good SS 7 6750 OBb 1 Good SS 8 6698 OBa 1.25 Good SS 9 6668 OBa 1.25 Good SS 10 6664 OBa 1.5 Good SS 11 6658 OBa 1.5 Good SS 12 6573 OA None Lost core bbl in hole 13 6566 OA 1 Good SS 14 6559 OA 1.5 Good SS 15 6548 OA 1.25 Good SS 16 6296 Nb 1 Good SS 17 6240 Mc 1.25 Good SS 18 6226 Mc 1.5 Good SS 19 6222 Mc 1.5 Good SS Soft 20 6210 Mc 1.5 Good SS Soft 21 6204 Mc 1.5 Good SS Soft 22 6194 Mc 1.5 Good SS Soft 23 6184 Mc 1.5 Good SS 24 6148 Mb2 1.5 Good SS Soft 25 6140 Mb2 1.5 Good SS 26 6132 Mb2 1.5 Good SS 27 6124 Mb2 1.5 Good SS 28 6114 Mb2 1.5 Good SS Soft 29 6109 Mb2 1 Good SS Soft 30 6091 Mb2 1.5 Good SS Soft, cla e 31 6082 Mb2 1.5 Good SS Soft 32 6076 Mb2 1 Good SS Soft, cla e 33 6020 Mb1 1.25 Good SS 34 6006 Mb1 1.25 Good SS Cla e ? 35 5999 Mb1 1.5 Good SS 36 5992 Mb1 1.25 Good SS 37 5982 Mb1 1.25 Good SS Soft 38 5974 Mbi 1 Good SS Cla e ? 39 5966 Mb1 1.25 Good SS Soft 40 5957 Mb1 0.75 Good SS Cla e ? 41 5948 Mb1 1.5 Good SS Soft 42 5936 Mb1 1.5 Good SS 43 5885 Ma 1.25 Good SS Cla e ? 44 5868 Ma 1 Good SS Cla e ? 45 5860 Ma 1 Good SS Cla e ? Note: The L-218i SWC analyses are still in progress. We are only conducting gas chromatography on fluids extracted from the cores. (No lithology description or porosity /permeability work was requested.) Printed: 9/12/2005 10:05:31 AM ~, BP EXPLORATION Operations Summary Report Page 1 of 9 Legal Well Name: L-218 Common Well Name: L-218 Spud Date: 8/24/2005 Event Name: DRILL+COMPLETE Start: 8/22/2005 End: 9/6/2005 Contractor Name: NABOBS ALASKA DRILLING I Rig Release: 9/6/2005 Rig Name: NABOBS 9ES . Rig Number: Date. I From - To Hours I'I Task ', Code NPT ' Ph ase Description of Operations 8/23/2005 15:00 - 16:00 1.00 MOB P PRE PJSM for rig move 16:00 - 17:30 1.50 MOB P PRE Move rig off L-114 and position to install new cellar doors 17:30 - 22:00 4.50 MOB P PRE Install cellar door and secure same. 22:00 - 00:00 2.00 MOB P PRE Move rig and position to spot on well L-218 8/24!2005 00:00 - 02:00 2.00 MOB P PRE Spot rig and pits on L-218. Rig up lines at interconnect. 02:00 - 06:00 4.00 BOPSU P I PRE Change out to 20" adapter nipple up flow riser on diverter 06:00 - 10:00 4.00 RIGU P PRE 10:00 - 12:00 2.00 RIGU P PRE 12:00 - 14:00 2.00 RIGU P PRE 14:00 - 14:30 ~ 0.50 BOPSU P PRE 14:30 - 17:00 I 2.501 DRILL I P I I SURF 17:00 - 17:30 0.50 DRILL P SURF 17:30 - 18:00 0.50 DRILL P SURF 18:00 - 18:30 0.50 DRILL P SURF 18:30 - 19:30 1.00 DRILL P SURF 19:30 - 20:00 0.50 DRILL P SURF 20:00 - 23:30 3.50 DRILL P SURF 23:30 - 00:00 0.50 DRILL P SURF 8/25/2005 00:00 - 00:30 0.50 DRILL P SURF 00:30 - 02:00 1.50 DRILL P SURF 02:00 - 02:30 0.50 DRILL P SURF 02:30 - 06:00 3.50 DRILL P SURF 06:00 - 13:00 I 7.001 DRILL I P I I SURF system, take on fresh water, mix spud mud, load 4" drill pipe in pipe shed. Accept rig for operations on L-218 at 02:00 hrs 8/24/2005 Pick up 35 Stds of 4" DP, 7 Stds of HWDP & rack in derrick Prepare BHA & bring bit, stablizers & subs to Rig Floor. P/U Jars & 3 x 7-1/16" NMDC & rack in derrick. Make up 12-1/4" Tri-Cone Bit on 9-5/8" Mud-motor. M/U MWD & UBHO sub. Orient same. Function test 20" Diverter system (20 seconds to close element) & perform accumulator test. Fill stack. Circulate mud system checking for leaks - OK. John Crisp with the AOGCC wavied witnessing the 20" Diverter test. Held Pre-Spud Meeting Drill from 108' to 389'. 600 GPM, 925 PSI on bottom, 800 PSI off, 80 RPM, 15K WOB, 3.5K torque on, 2K off. Rig up Gyro survey equipment. POOH to 172', pick up stand with jars, RIH to 389'. Run gyro survey ~ 358'. Drill from 389' to 448'. 600 GPM, 1180 PSI on bottom, 1020 PSI off, 80 RPM, 20K WOB, 4K torque on, 2K off. Run gyro survey ~ 448'. Drill from 448' to 729'. 600 GPM, 1180 PSI on bottom, 1020 PSI off, 80 RPM, 20K WOB, 4.5K torque on, 3K off. Motor not giving required doglegs. Approaching anti-collision hardline. Run gyro to confirm build rates. Run gyro survey @ 729'. Circulate at reduce rate 305 gpm, 650 psi, while re-calculating gyro surveys, unable to drill ahead, motor not giving required doglegs, yielding 1.5 deg/100 when sliding 100%, need 3.5 deg/100 to avoid anti-collision hard lines. POH from 729' to bit, visually inspect bit and motor, no visible problem, adjust motor to 1.83, orient motor and MWD. RIH to 729' no problem. Directional drill from 729' to 914' by sliding 100% to achieve required doglegs. 550 gpm, 1200 psi on bottom, 1050 psi off, 20k wob. Gyro surveys C~3 821' and 914' Drilling, rotating and sliding from 914' to 1567'. 550 gpm, 1770 psi on bottom, 1450 psi off bottom, 25K WOB, 50/60 rpm, 6000 ft/Ibs torque on bottom, 3000 fUlbs off bottom, Printed: 9/12/2005 70:05:37 AM r~ BP EXPLORATION Page 2 of 9 Operations Summary Report Legal Well Common W Event Nam Contractor Rig Name: Date : Name: L ell Name: L e: Name: From - To III -218 -218 DRILL+C NABOB NABOB Hours ' OMPLE S ALASK S 9ES Task , TE A DRI Code LING NPT Start I Rig Rig Phase Spud Date: 8/24/2005 : 8/22/2005 End: 9/6/2005 Release: 9/6/2005 Number: Description of Operations 8/25/2005 06:00 - 13:00 7.00 DRILL P SURF 80K up weight, 68K down weight, 74K rotating weight. AST = 5.77 hrs., ART = 1.10 hrs. 13:00 - 13:30 0.50 DRILL P SURF Gyro survey @ 1567'. POH with Gyro taking multi-shots. 13:30 - 14:00 0.50 DRILL P SURF Circulate 2 X bottoms up for bit trip. 550 gpm, 1400 psi. Monitor well. 14:00 - 15:30 1.50 DRILL P SURF POH from 1567' to HWDP. 85K up weight, 73K down weight, 10/20K intermitent overpull. Pump out from 1085' to 914', 200 gpm, 345 psi. 15:30 - 16:30 1.00 DRILL P SURF Stand back HWDP, Jar, drill collars. 16:30 - 17:00 0.50 DRILL P SURF Change out bit, lay down UBHO, adjust motor to 1.50, orient motor and M W D. 17:00 - 17:30 0.50 DRILL P SURF Clear and clean rig floor. 17:30 - 18:00 0.50 DRILL P SURF Service top drive and crown sheaves. 18:00 - 19:00 1.00 DRILL P SURF RIH with drill collars, jar, HWDP. 19:00 - 20:00 1.00 DRILL P SURF RIH from 917' to 1050'. Took weight, fill drill pipe and continue to RIH and work pipe down to 1200'. RIH to 1475' no problem. Wash from 1475' to 1567'. 20:00 - 00:00 4.00 DRILL P SURF Drill from 1567' to 2039'. 90K up weight, 66K down weight, 78K rotating weight, 650 gpm, 2450 psi on bottom, 2190 psi off bottom, 80 rpm, 28K WOB, 6,600 fUlbs torque on bottom, 4,000 ft/Ibs torque off bottom. AST = 2.01 ART = 0.20 Encountered hydrates @ 2,039' 8/26/2005 00:00 - 08:30 8.50 DRILL P SURF Drill from 2039' to TD @3470". 93K up weight, 63K down weight, 77K rotating weight, 660 gpm, 3280 psi on bottom, 3180 psi off bottom, 80 rpm, 28K WOB, 8,800 Wlbs torque on bottom, 4,300 fUlbs torque off bottom. AST=3.31, ART=2.99 08:30 - 10:00 1.50 DRILL P SURF Circulate 2 1/2 X bottoms up for short trip. 690 gpm, 3285 psi, 110 rpm, 4,600 fUlbs torque. 10:00 - 13:00 3.00 DRILL P SURF Monitor well, POH from 3470' to 1240'. Started swabbing, break circulation, attempt to wash through by pumping @ 170 gpm, 307 psi. No go. RIH to 1291' and back ream from 1291' to 918' ~ 490 gpm, 1090 psi, 100 rpm. POH from 918' to 826' without pump. OK. 13:00 - 14:30 1.50 DRILL P SURF RIH from 826' to 1590'. Took weight. Fill drill string and continue RIH, taking weight intermittently to 3440'. Wash 30' to bottom C 3470' 14:30 - 16:00 1.50 DRILL P SURF Circulate 2 1/2 X bottoms up for 9 5/8" casing and cement job. 690 gpm, 3100 psi, 110 rpm, 5,000 ft/Ibs torque. 85K up weight, 75K down weight. 16:00 - 19:00 3.00 DRILL P SURF POH from 3470' to 1819'. 119K up weight, 56K down weight. Tight @ 1819', RIH 1 stand. Attempt to pump out. Back ream from 1945' to 1665'. 600 gpm, 1700 psi, 100 rpm, 5,000 ft/Ibs torque. Continue POH from 1665' without pumping. No problems. 19:00 - 21:00 2.00 DRILL P SURF Lay down BHA #3. 21:00 - 22:00 1.00 DRILL P SURF Clear and clean rig floor. 22:00 - 00:00 2.00 CASE P SURF Rig up to run 9 5/8" surface casing 8/27/2005 00:00 - 07:00 7.00 CASE P SURF PJSM. Make up and Bakerlok 9 5/8" shoe track assembly. Fill shoe track and check floats - OK. RIH with 9 5/8" 40# L-80 BTC casing per running detail. Set down at 478' Work casing through tight spots from 478' to 530', 800' to 890', 2000' to Printed: 9/12/2005 10:05:37 AM BP EXPLORATION Operations Summary Report Legal Well Name: Common Well Name Event Name: Contractor Name: Rig Name: Date 8/27/2005 Page 3 of 9 L-218 L-218 Spud Date: 8/24/2005 DRILL+COMPLETE Start: 8/22/2005 End: 9/6/2005 NABOBS ALASKA DRILLING I Rig Release: 9!6/2005 NABOBS 9ES Rig Number: From - To I Hours ', Task Code' NP 00:00 - 07:00 7.00 CASE ~ P 07:00 - 07:30 I 0.501 CASE I P 07:30 - 08:00 I 0.50) CASE I P 08:00 - 09:00 I 1.001 CASE I P 09:00 - 12:00 I 3.001 CEMT I P 12:00 - 14:30 I 2.501 CEMT I P 14:30 - 17:00 2.50 DIVRTR P 17:00 - 17:30 0.50 DIVRTR P 17:30 - 20:30 I 3.001 BOPSUFi P 20:30 - 21:30 1.00 BOPSUF~P 21:30 - 00:00 2.50 BOPSU P 8/28/2005 (00:00 - 01:30 I 1.501 BOPSUI~ P 01:30 - 02:00 I 0.501 BOPSUFi P 02:00 - 03:00 1.00 DRILL P 03:00 - 04:00 1.00 DRILL P 04:00 - 05:00 1.00 DRILL P 05:00 - 05:30 0.50 DRILL P 05:30 - 08:30 3.00 DRILL P 08:30 - 09:00 I 0.501 DRILL I N 09:00 - 09:30 0.50 DRILL N 09:30 - 10:00 0.50 DRILL N DPRB DPRB DPRB T ~ Phase Description of Operations SURF 2270' Continue running 9 5/8" casing to 3455', land casing, fill every joint with Franks tool. 150K up weight, 70K down weight. Ran a total of 82 joints 9 5/8" 40# L-80 BTC casing, 25 bow spring centralizers. SURF Circulate bottoms up by staging pump rate up to 8 bpm, 550 psi. Reciprocate casing. SURF Rig down Franks fill-up tool, blow down top drive, rig up cementing head. SURF Circulate and condition mud for surface cement job. Reciprocate casing, 165K up weight, 100K down weight, pumping at 8 bpm, 450 psi. SURF PJSM. with cementers and rig crew. Pump 5 bbls water, test cement lines to 4000 psi, pump 75 bbls of 10 ppg MUDPUSH II spacer @ 5.5 bpm, 150 psi. Drop bottom plug and pump 414 bbls (525 sx) of Arcticset Lite III lead cement weighted to 10.7 ppg C~3 8 bpm, 300 psi. Pump 84 bbls (380 sx) of class G cement weighted to 15.8 ppg ~ 6 bpm, 400 psi. Drop top plug and kick out with 5 bbls of water, switch to rig pumps and ;displace cement with 246 bbls of mud ~ 9 bpm, 500 psi, slowed rate to 2 bpm,475 psi 10 bbls prior to bumping plug, bump plug with calculated strokes, pressure up to 2500 psi. Check floats - OK. 125 bbls of cement to surface. *CIP 11:41" Able to reciprocate casing 12 tt strokes through out job. Landed casing with cement around shoe. SURF Blow down cement and mud lines, lay down cementing head, flush diverter stack. SURF Nipple down 20" Hydril, diverter line and drilling nipple. SURF Notified L-pad operator, to Place spead head over flowline, lift was witnesed by pad operator. SURF Nipple up FMC Gen V split spead head, test metal to metal seal to 1,000 psi, Nipple up BOPE and drilling nipple. SURF Rig up BOP test equipment, flush and fill stack. SURF Test BOPE to 250 psi low 4,000 psi high per Nabors testing procedure, Jeff Jones with AOGCC waived witness of BOP test. BOP test was witnessed by WSL Robert French, Nabors Toolpusher Roy Hunt. SURF Continue testing BOPE to 250 psi low, 4,000 psi high per Nabors testing procedure. SURF Blow down choke manifold, kill and choke lines, rig down test equipment. Pull test plug and install wear bushing PROD1 Pickup 33 joints 4" DP. 1027' PROD1 Cut and slip drilling line. PROD1 Service top drive, traveling blocks, crown sheaves. Change out saver sub, service grabber. PROD1 Stand back 11 stands 4" DP in derrick. PROD1 PJSM. Pick up BHA #4: 8 3/4" bit, motor (ABH @ 1.15), LWD ARC VISION, PRO VISION, and MWD. Bit set down at 84'. Unable to pass through. PROD1 Lay down MWD, bit, motor sleave. Stand back motor, LWD ARC, LWD PROVISION in derrick. PROD1 Make up 8 314" bit, bit sub, and 1 stand of HW DP. PROD1 RIH to 84'. Wash and ream from 84' to 275'. Hard at 84' and Printed: 9/12/2005 10:05:37 AM • BP EXPLORATION Operations Summary Report Legal Well Name: L-218 Common Well Name: L-218 Event Name: DRILL+COMPLETE Start: 8/22/2005 Contractor Name: NABOBS ALASKA DRILLING I Rig Release: 9/6!2005 Rig Name: NABOBS 9ES Rig Number: Date From - To Hours Task I Code', NPT I, Phase 8/28/2005 09:30 - 10:00 0.50 DRILL N DPRB PROD1 10:00 - 10:30 0.50 DRILL N DPRB PROD1 10:30 - 13:00 2.50 DRILL N DPRB PROD1 13:00 - 15:30 2.50 DRILL P PROD1 15:30 - 16:30 1.00 EVAL P PROD1 16:30 - 18:30 I 2.001 DRILL I P I I PRODi 18:30 - 19:30 I 1.001 DRILL (P I I PROD1 19:30 - 20:00 0.50 DRILL P PROD1 20:00 - 20:30 0.50 DRILL P PROD1 20:30- 21:00 0.50 DRILL P PROD1 21:00 - 00:00 3.00 DRILL P PROD1 8/29/2005 100:00 - 00:00 I 24.001 DRILL I P I I PROD1 8/30/2005 100:00 - 07:30 I 7.501 DRILL I P I I PROD1 07:30 - 09:30 I 2.001 DRILL I P I i PROD1 09:30 - 17:00 I 7.501 DRILL I P I I PRODi 17:00 - 18:00 I 1.001 DRILL I N I RREP I PROD1 18:00 - 00:00 ~ 6.00 ~ DRILL ~ P ~ PROD1 Page 4 of 9 Spud Date: 8/24/2005 End: 9/6/2005 Description of Operations 94'. Circulated out cement. POH with 3 stands HWDP. Lay down 8 3/4" bit and bit sub. Make up 8 3/4" bit, motor, motor sleave and continue making up BHA #4. Shallow hole test MWD at 1041'. 500 gpm, 1500 psi - OK. Pick up and single in 4" drill pipe in hole to 3286'. Circulate bottoms up for casing test. Test 9 5/8" 40# L-80 surface casing per requirements to 3500 psi - 30 min. Drill cement and 9 5/8" shoe track. FC & FS on depth @ 3370' & 3455'. Wash from 3455' to 3470'. Drill 20' new hole from 3470' to 3490'. 550 gpm, 2600 psi on bottom, 2560 psi off bottom, 5-10K weight on bit, 6,000 fUlbs torque, 85K up weight, 84K down weight, 80K rotating weight. Displace wellbore from 9.5 ppg surface mud to 8.8 ppg LSND mud. Clean shaker possum belly and mud troughs. Pull bit up inside of casing and perform LOT. * 13.6 EMW.* Place bit outside of casing, circulate to shear mud. Directionaly drill 8 3/4" hole from 3490' to 3662'. 590 gpm,. 1555 psi on bottom, 1430 psi off bottom, 10K weight on bit, 60 rpm, 5,500 ft/Ibs torque on bottom, 5,000 fUlbs torque off bottom, 116K up weight, 65K down weight, 82K rotating weight. Calculated ECD - 9.42 ppg, actual ECD - 9.84 ppg. ART - .33 hrs, AST - .26 hrs. Directionaly drill 8 3/4" hole from 3662' MD, 2691' TVD to 6649' MD, 4212' TVD. 545 gpm, 2700 psi on bottom, 2630 psi off bottom, 10K weight on bit, 100 rpm, 8,000 ft/Ibs torque on bottom, 7,000 fUlbs torque off bottom, 148K up weight, 87K down weight, 108K rotating weight. Calculated ECD - 9.71 ppg, actual ECD - 9.86 ppg. AST - 5.14 hrs. ART - 8.59 hrs. Control drill from 5800' MD. MADD Pass after each slide, 40 rpm, 550 gpm, 600 fph. Directionally and control drill 8 3/4" hole from 6649' to 7325'. 585 gpm, 3200 psi on bottom, 3110 psi off bottom, 10K weight on bit, 100 rpm, 9,500 ft/Ibs torque on bottom, 7,500 ft/Ibs torque off bottom, 154K up weight, 86K down weight, 110K rotating weight. MAD pass after each slide interval, back ream C~ drilling pump rate on up stroke, 450 gpm on downstroke, 100 rpm, 600 fph. CECD - 9.89 ppg, AECD - 10.23 ppg. AST - 1.97 hrs, ART - 3.20 hrs TD L-2i8i @ 0730 hrs, 8/30/2005. 7325' MD, 4570' TVD Pump high vis sweep and CBU X 3 @ 580 gpm, 2900 psi, 120 rpm. CECD - 9.89 ppg, AECD - 10.03 ppg. Backream from 7325' to 6300'. NMR stations ~ 6806'-6702'-6623'. 2 X C~3 6806' & 6623'. 580 gpm, 2900 psi, 110 rpm, 7500 ft/Ibs torque, 106K rotating weight. Replace #3 SCR cooling fan.Circulate & reciprocate @ 2bpm, 190 psi. Continue backreaming from 6300' to 5800'. NMR stations C~3 6257'-6171'-6010'. 2 X @ 6257' & 6171'. 580 gpm, 2700 psi, 7500 ft/Ibs torque, 160K up weight, 66K down weight, 100K rotating weight. Printed: 9/12/2005 10:05:37 AM BP EXPLORATION Operations Summary Report Legal Well Name: L-218 Common Well Name: L-218 Event Name: DRILL+COMPLETE Contractor Name: NABOBS ALASKA DRILLING Rig Name: NABOBS 9ES Date ~ From - To Hours Task Code NPT '~ - -- - 8/31/2005 00:00 - 00:30 ~ 0.50 DRILL P 00:30 - 03:30 1 3.001 DRILL I P 03:30 - 08:00 ~ 4.50 ~ DRILL ~ P 08:00 - 09:00 1 1.001 DRILL I P 09:00 - 11:00 2.00 DRILL P 11:00 - 13:00 2.00 DRILL P 13:00 - 14:00 1.00 DRILL P 14:00 - 14:30 0.50 EVAL P 14:30 - 15:30 1.00 EVAL N 15:30 - 18:30 3.00 EVAL P 18:30 - 19:00 I 0.50 I EVAL I P 19:00 - 21:30 I 2.501 EVAL I P 21:30 - 00:00 I 2.501 EVAL I P /2005 100:00 - 02:00 I 2.001 EVAL I P 02:00 - 04:30 I 2.501 EVAL I P 04:30 - 06:30 I 2.001 EVAL I P 06:30 - 07:30 i 1.001 EVAL I P 07:30 - 10:00 2.50 EVAL P 10:00 - 11:00 1.00 EVAL P 11:00 - 11:30 0.50 CASE P 11:30 - 12:00 0.50 CASE P 12:00 - 13:30 1.50 CASE P 13:30 - 14:00 I 0.501 CASE I P 14:00 - 16:00 I 2.001 CASE Page 5 of 9 Spud Date: 8/24/2005 Start: 8/22/2005 End: 9/6/2005 I Rig Release: 9/6/2005 Rig Number: Phase ! Description of Operations PRODi Backream from 5800' to 5430'. 580 gpm, 2600 psi, 110 rpm, 8,500 fUlbs torque, CECD - 9.67 ppg, AECD - 9.92 ppg. Started packing off with partial returns @ 5430'. RIH 2 stands and slowly bring pump rate up to 455 gpm to clean hole, 1730 psi, 80 rpm, 6500 fUlbs torque. Backream from 5600' up to 5430' @ full drilling rate. PROD1 Backream from 5430' to 4874'. 580 gpm, 2440 psi, 80 rpm, 6,500 ft/Ibs torque. No problems. PROD1 POH 1 stand. MAD pass from 4781' to 3455'. 580 bpm, 2440 psi, 60 rpms, 5,500 fUlbs torque, 135K up weight, 70K down weight, CECD - 9.59 ppg, AECD - 9.89 ppg. Encountered partial packoff @ 3800'. Work through with reduced pulling speed. Circulated up large chunks of coal. PRODi Pump high viscosity sweep back to surface. 580 gpm, 2000 psi, 60 rpm, 116K up weight, 67K down weight, 79K rotating weight. CECD - 9.59 ppg, AECD - 9.66 ppg. Monitor well, pump dry job. PROD1 POH from 3455' to BHA @203'. PROD1 Download and lay down LWD / MIRL, saver sub, NMDC's. PJSM, remove nuclear source, lay down motor and 8 3/4" bit. PROD1 Clean and clear floor of vendor's tools. PROD1 Rig service. Lubricate topdrive. WAIT PROD1 Wait on ASRC to remove equipment on adjacent well. PROD1 PJSM, rig up and TIH with Schlumberger coring tools on 4" drillpipe to 3384'. PROD1 Rig up wireline sheave in derrick. Pumped 1 drillpipe volume 164 gpm, 120 psi. PROD1 TIH from 3384' to 5602'. Break circulation every 5 stands ~ 4 bpm, 188 psi. PROD1 Make up side-door entry sub. RIH with a-line wet connect. Pumped down C~3 210 gpm, 380 psi. Latched up @ 425 psi, 5632'. PRODi TIH with sidewall coring tools on 4" drill pipe from 5632' to 7095'. Correlate depths with GR. 170K up weight, 75K down weight ~ PROD1 Log up from 7095' Start taking sidewall core samples from 6985' to 5873' for total of 45 samples. PRODi POH 3 stands, from 5873' to 5632'. Pull wet connect and a-line out of hole. Rig down side-door entry sub and wireline sheave. PROD1 POH 2 stands, from 5632' to 5445' and circulate bottoms up 6 bpm, 540 psi. Monitor well, pump dry job. PROD1 POH from 5445' with sidewall coring tools on 4" drill pipe. PROD1 Lay down Schlumberger sidewall coring tools. 'Recovered 44 bullets with 1miss-fire.' PROD1 RIH with jar stand and lay down same. PROD1 Pick up test joint, make up BOP wash sub, wash BOP stack. PROD1 Pull wear bushing, install BOPE test plug, change out top pipe rams to 7" rams. PROD1 Test 7" ram door seals to 3500 psi. Rig down test equipment. Lay down test plug and test joint PROD1 Rig up to run 7" casing. Make up cement head cross over, Printed: 9/12/2005 10:05:37 AM • BP EXPLORATION Page 6 of 9 Operations Summary Report Legal Well Name: L-218 Common Well Name: L-218 Spud Date: 8/24/2005 Event Name: DRILL+COMPLETE Start: 8/22/2005 End: 9/6/2005 Contractor Name: NABOBS ALASKA DRILLING I Rig Release: 9/6/2005 Rig Name: NABOBS 9ES Rig Number: Date From - To Hours j Task j Code; NPT j Phase ', Description of Operations /1!2005 9/2/2005 i _ _- 14:00 - 16:00 2.00 CASE PROD1 16:00 - 23:30 7.50 CASE P PRODi 23:30 - 00:00 0.501 CASE ~ P PROD1 00:00 - 06:30 6.501 CASE I P 06:30 - 07:00 0.50 CASE P 07:00 - 10:00 3.00 CASE P 10:00 - 10:30 0.50 CEMT P 10:30 - 11:30 11:30 - 12:00 12:00 - 13:00 13:00 - 14:00 14:00 - 15:00 15:00 - 16:00 16:00 - 17:00 17:00 - 18:00 18:00 - 18:30 1.001 CEMT I P 0.50 CEMT P 1.00 CASE P 1.00 CEMT P 1.00 CEMT P 1.00 CEMT P 1.00 CEMT P 1.00 CEMT P 0.50 CEMT P PROD1 PROD1 PRODi PROD1 PROD1 PRODi PROD1 PRODi PROD1 PROD1 PROD1 PROD1 PROD1 make dummy run with 7" hanger and landing joint, change to long bails. PJSM, RIH with 7" 26# L-80 BTC-MOD casing. Make up shoe track, Baker-Loc first 2 connections, check floats - OK. Used Best-o-Life 2000 thread dope. Torqued to make-up mark to 8,800 fUlbs. RIH to 3430' filling every joint. Circulated 15 minutesC~3 1714', 7 bpm, 320 psi Circulate bottoms up 1.5 times @ 3430'. 6.9 bbp, 390 psi, 119K up weight, 85K down weight. Continue RIH with 7" 26# L-80 BTC-MOD casing from 3430' to 6800'. Fill pipe every joint. Circulated C~ 4010' (15 jts below shoe) with reduced returns, fuA returns @ 2 bpm. Ran 10 jts to 4387' and circulated with reduced returns. Circulated 3 joints down from 4387' to 4510', staging pumps up with full returns. Continue RIH, circulate every 10 joints to 6530'. Start circulating every joint from 6530' to 7279', 2 minutes per joint, 4 bpm, 290 psi. *Lost 38 bbls RIH from 4000' to 4510', full returns RIH from 4510' to 7306'* Land casing C~ 7306'. Lay down Franks tool, blow down topdrive, rig up cementing head and cement lines. Circulate and condition mud for cement job. Stage pumps up to 7 bpm, 450 psi. Reciprocate casing, 230K up weight, 93K down weight. Had full returns. PJSM for cement job while circulating. Cement 7" production casing. Pump 5 bbls water, test cement lines to 4500 psi, pump 15 bbls CW100 pre-flush, followed by 30 bbls 10 ppg MUDPUSH II spacer, drop bottom plug, pump 103 bbls 15.8 ppg class "G" cement C~3 6 bpm. Wash cement lines up to rig floor. Displace cement. Drop top plug and kick out same with rig pumps. 276 total bbls of 8.5 ppg heated seawater. Pumped first 266 bbls @ 7 bpm, ICP-170 psi, FCP-1000 psi. Last 10 bbls slowed pump rate to 3 bpm, ICP-800 psi, FCP-900 psi. Bump plug with calculated displacement and 2000 psi. Bleed pressure off, check floats - OK Reciprocated casing with full returns through out cement operations. Stopped reciprocating and landed casing with with 258 bbls seawater away. CIP @ 11:20 hrs. FC ~ 7223' MD. FS ~ 7306 MD. RA Tags @ 5845' MD and 6535' MD. Blow down surface lines, rig down cement equipment, lay down landing joint. Install and test 7" X 9 5/8 pack-off. 5,000 psi, 10 minutes - OK. Change out 350 ton casing elevators to 4" elevators, change out long bails to short bails. Make up BOP stack wash sub, clean BOP stack and drip pan. Change top rams from 7" to 3 1/2" X 6" VBR. Rig up and test top ram door seals and VBR to 4000 psi. Install wear bushing. Cut and slip 65' drilling line. Rig service top drive, blocks, crown, inspect brake bands. Printed: 9/12/2005 10:05:37 AM BP EXPLORATION Page 7 of 9 Operations Summary Report Legal Well Name: L -218 Common W ell Name: L -218 Spud Date: 8/24/2005 Event Nam e: DRILL+C OMPLE TE Start : 8/22/2005 End: 9/6/2005 Contractor Name: NABORS ALASK A DRI LLING I Rig Release: 9/6/2005 Rig Name: NABOR S 9ES Rig Number: Date From - To Hours Task ' Code ' I NPT ~~ Phase I! Description of Operations 9/2/2005 18:30 - 19:00 0.50 CASE P PRODi Pressure test 7" casing to 4,000 psi - 30 minutes. No pressure loss. Cement compressive strength = 500 psi plus @ 17:22 hrs, 1000 psi plus 0 18:20 hrs. 19:00 - 19:30 0.50 CASE P PROD1 Test and inject 7" X 9 5/8" annulus. Pump 0 2 bpm to 700 psi leak off pressure with 9.0 ppg mud. Establish annular injection rate 0 3 bpm, ICP-700, FCP-675 psi, SIP- 475 psi. Pumped total of 101 bbls. 19:30 - 23:30 4.00 PERFO P OTHCMP PJSM, make up Schlumberger perforating assembly. Make up 4 1/2" perforating guns, 1 stand 3 1/2" HWDP, bumper sub, MWD, 1 stand 4" HWDP, 1 4" drill pipe pup, 6 stands HWDP. 23:30 - 00:00 0.50 PERFO P OTHCMP RIH with perforating assembly on 4" drill pipe. 9!3!2005 00:00 - 02:30 2.50 PERFO P OTHCMP RIH with 4 1 /2" "PowerJet" 5 SPF guns DPC on 4" drill pipe assembly from 1882' to 7016' 'Sim OPS. Freeze protected 7" X 9 5/8" annulus with 85 bbls dead crude while RIH. 2 bpm, ICP = 600 psi, FCP = 700 psi, SIP = 600 psi. 02:30 - 09:00 6.50 PERFO P OTHCMP Start GR log to correlate pert depths from MWD sensor depth of 5975' to 6115'. 50 fph pipe running speed, 165K up weight, 80K down weight, 245 gpm, 755 psi. Tag Float collar 07223'. Log up with MWD from 6034' to 5975', RIH, make 2' correction, re-log from 6004' to 5980'. Pick up to 5954' MW D depth. Guns in place, top gun 05954', bottom gun 07016' 09:00 - 10:00 1.00 PERFO P OTHCMP Displace well from 8.5 ppg seawater to 9.3 ppg brine, 5.8 bbm, 850 psi. 10:00 - 11:00 1.00 PERFO P OTHCMP Perforate well. Had surface indication of positive fire. Monitor well. Lost 25 bbls initially. Loss rate 0 6 bph. Perfs: 5 SPFO 5954'-5955, 5966'-5967', 6116'-6117', 6122'-6123', 620i'-6202', 6207'-6208', 6542`-6562', 6567'-6568', 6573'-6574', 6580'-6600', 6657'-6658', 6664'-6665', 6670'-6710', 6750'-6751', 6761'-6762', 6934'-7016'. Total of 174' and 870 shots. 11:00 - 12:30 1.50 PERFO P ; OTHCMP POH f/ 7016' to 4869', guns above top perfs. 12:30 - 13:00 0.50 PERFO P OTHCMP Circulate bottoms up 0 4869'. 5 bpm, 406 psi, 120K up weight, 73K down weight. *Pump on loss rate = 15 bph, 13:00 - 13:30 0.50 PERFO P OTHCMP Monitor well, pump dry job. Static loss rate = 6 bph 13:30 - 16:00 2.50 PERFO P OTHCMP POH laying down 4" drill pipe, HWDP and MWD. 16:00 - 21:00 5.00 PERFO P OTHCMP PJSM with Schlumberger pert crew. Lay down 4.5" pert guns. All shots fired 21:00 - 22:00 1.00 PERFO P OTHCMP Clean and clear floor of perforating equipment 22:00 - 23:00 1.00 EVAL P PRODi RIH with remaining 4" drill pipe out of derrick to 3550'. 23:00 - 00:00 1.00 EVAL P PROD1 Circulate to clean up drill pipe. 5.8 bpm, 230 psi. Tour fluid loss to perfs = 64 bbls. Total for day to perfs = 89 bbls. 9/4/2005 00:00 - 02:00 2.00 EVAL P PRODi POH from 3550' laying down 4" drill pipe. 02:00 - 03:00 1.00 EVAL P PROD1 drain BOP stack, rig up to monitor well through choke. Change top pipe rams from 3.5" X 6" VBR to 7" rams. 03:00 - 04:00 1.00 EVAL P PROD1 Pick up test joint, pull wear bushing, install BOPE test plug. Test 7" ram door seals to 250 psi (3500 psi - OK. Pull test plug, install wear bushing.7' lubricator below 7" rams. 04:00 -04:30 0.50 EVAL P PROD1 PJSM with Schlumberger wireline. Install lubricator, shut in top Printed: 9/12/2005 10:05:37 AM • BP EXPLORATION Operations Summary Report Page 8 of 9 Legal Well Name: L-218 Common Well Name: L-218 Spud Date: 8/24/2005 Event Name: DRILL+COMPLETE Start: 8/22/2005 End: 9/6/2005 Contractor Name: NABOBS ALASKA DRILLING I Rig Release: 9/6/2005 Rig Name: NABOBS 9ES Rig Number: Date From - To Hours Task ~ Code i NPT j Phase 9/4/2005 04:00 - 04:30 0.50 EVAL P ~ PRODi 04:30 - 06:00 1.50 EVAL P PROD1 06:00 - 07:00 I 1.001 EVAL I P I I PROD1 07:00 - 13:00 I 6.001 EVAL I P I I PROD1 Description of Operations 7" rams, rig up Schlumberger wire line. WL run #1: RIH with Junk Basket & 6.05" Gauge Ring to 7100'. POH with same. Recovered 2 cups of gravel. Lay down Junk Basket, Gauge Ring, pick up USIT/CBUGR logging tools WL run #2: RIH and log from 7100' to 3842' Repeated pass through perforated zones. POH with same. 'Top of cement ~ 4025' 13:00 - 14:30 1.50 EVAL P PROD1 Lay down USIT/CBUGR logging tools. Pick up WL BOP. Pick up and test MDT logging tools. 14:30 - 00:00 9.50 EVAL P PRODi WL run #3: RIH and collect MDT samples C~3 6750', 6761', 6567', 6664'. 9/5/2005 I, 00:00 - 09:00 { 9.00 { EVAL ~ P 09:00 - 10:00 1.00 EVAL P 10:00 - 13:00 3.00 PERFO P 13:00 - 14:00 I 1.001 PERFOBI P 14:00 - 15:00 1.00 PERFO P 15:00 - 17:30 2.501 EVAL P 17:30 - 18:30 1.00 BOPSUF~ P 18:30 - 19:00 0.50 BOPSU~j P 19:00 - 19:30 0.50 19:30 - 00:00 4.50 9!6!2005 { 00:00 - 08:30 { 8.50 'Lost 104 bbls to perfs for day. 4.3 bph avg. Lost 193 bbls to perfs total for well. 5.2 bph avg PROD1 Continue WL run ff3: MDT samples @ 6201', 6116', 5954'. POH w/ a-line. PROD1 Rig down MDT tools, clear floor. OTHCMP PJSM. WL run #4: Make up 4.5" HMX Power Jet 5spf perforating guns, RIH, correlate depths and fire guns top-6745', bottom-6765'. 20', 100 shots. POH, all guns fired. OTHCMP WL run #5: RIH with perforating guns, correlate depths and fire guns ~ top-6652', bottom-6670'. 18', 90 shots. POH, all guns fired. OTHCMP WL run #6: RIH with perforating guns, correlate depths and fire guns @top-6562', bottom-6580'. 18', 90 shots. POH, all guns (fired. '3 perforating runs, 56', 280 shots. OTHCMP WL run #7: Pick up and RIH with junk basket /gauge ring to 7000'. POH and rig down Schlumberger wire line equipment. 'Recovered 1/2 cup of debris. RUNCMP Change top pipe rams from 7" to 3.5" x 6" VBRs. RUNCMP Pull wear bushing, test top rams and door seals to 250 psi / 4000psi - OK. Rig down test equipment. RUNCMP Rig up Nabors casing service. RUNCMP Make up 3.5" 9.2# L-80 TCII straddle completion and RIH to 1,650'. 3.5" completion includes: WLEG/X assy (2.813" ID), X assy (2.813" 1D) wlRHC-m profile below packers, 4 - 7.0" x 3.5" Baker Premier Packer assy's, 3 - X assy's (2.813" ID) between packers, X assy (2.813" ID) above packers. 5 - 3.5" x 1.5" MMG-W WFM's w/dum-RK latch, 1 - 3.5" x 1.5" MMG-410SS GLM w/DCR-1 & RKP latch. Utilized JetLube thread lubricant and torqued connections to mark with 2,300 ftlbs average make-up torque. Connections below the bottom packer assy have been Bakerlok'd. RUNCMP Continue RIH with 3.5" 9.2# L-80 TCII straddle completion to 6,899' -all connections 'torque turned' and charted on computer. Land tubing on hanger - PU - 85K, SO - 60K. RILDS. Ran 205 joints of 3.5" 9.2# L-80 TCII utilizing Jet Lube Seal Guard thread lubricant and torquing connections with 2300 ftlbs Printed: 9/12/2005 10:05:37 AM • BP EXPLORATION Operations Summary Report Legai Weil Name: L-218 Common Well Name: L-218 Event Name: DRILL+COMPLETE Contractor Name: NABOBS ALASKA DRILLING Rig Name: NABOBS 9ES Date _l From - To {Hours+Task ~ Code '~; NPT 9/6/2005 ~ 00:00 - 08:30 I 8.501 RUNCOf~P Start: 8/22/2005 Rig Release: 9/6/2005 Rig Number: Page 9 of 9 Spud Date: 8/24/2005 End: 9/6/2005 Phase Description of Operations RUNCMP average make-up torque. Connections below the packer assy set at 6829' have been Bakerlok'd. The lifting threads on the tubing hanger are 4.5" TCII WLEG - 6899' X Profile (2.813" ID) - 6877' X Profile (2.813" ID) w/RHC-M - 6856' Premier Packer - 6829' X Profile (2.813" ID) - 6809' WFM#1 w/ 1.5" Dummy Valve and RK latch - 6780' WFM#2 w/ 1.5" Dummy Valve and RK latch- 6657' Premier Packer - 6630' X Profile (2.813" ID) - 6609' RA tag on centralizer - 6589' WFM#3 w/ 1.5" Dummy Valve and RK latch- 6580' WFM#4 w/ 1.5" Dummy Valve and RK latch- 6519' Premier Packer -6493' X Profile (2.813" ID) -6472' WFM#5 w/ 1.5" Dummy Valve and RK latch- 6443' Premier Packer - 5915' X Profile (2.813" ID) - 5895' GLM w/1.5" DCR shear valve and RKP latch- 5772' X Profile - 3222' XO to 4.5" - 46.88' 08:30 - 10:00 1.50 BUNCO RUNCMP Reverse circulate 116 bbls of clean 9.3 ppg brine followed by 60 bbls of 9.3 ppg brine with corrosion inhibitor - 3 bpm, 310 psi. Flush lines with 5 bbls of clean 9.3 ppg brine. 10:00 - 13:00 3.00 BUNCO RUNCMP Drop 1-5/16" ball and rod (roller stem) and allow to seat in the RHC-m plug at 6,856'. LD landing joint and close the blind rams. Pressure up on the tubing to 4,200 psi to set the 4 Premier packers. Chart and hold pressure for 30 minutes - good test. Bleed down the tubing pressure to 2,000 psi. Pressure up on the IA to 4,000 psi. Chart and hold pressure for 30 minutes -good test. Bleed pressure from the !A and then bleed pressure from the tubing. Pressure up on the IA to shear the DCR valve at 5,772' -observe shear at 2,600 psi. Install TWC and test from below to 1,000 psi -good. 13:00 - 15:00 2.00 BOPSU P RUNCMP Blow down all surface lines. ND BOPE. 15:00 - 18:00 3.00 WHSUR P RUNCMP NU 4-1/16" carbon tree and adapter flange and test to 5,000 psi -good. 18:00 - 19:30 1.50 BUNCO RUNCMP RU DSM lubricator and pull TWC. RU LRHOS to freeze protect the well. 19:30 - 21:30 2.00 BUNCO RUNCMP PJSM. Test LRHOS lines to 3,500 psi. Pump 93 bbls fo diesel freeze protection fluid down the IA and allow to u-tube in place. 21:30 - 23:00 1.50 BUNCO RUNCMP install BPV with DSM lubricator and test from below to 1,000 psi -good. RD DSM. RD LRHOS. 23:00 - 00:00 1.00 DHB P POST Remove doub{e annulus valves and install VR plugs in the IA and OA. Secure the tree and the rig floor. Rig released to L-215 at midnight, 0000 hours 9/6/2005. Printed: 9/12/2005 10:05:37 AM h L-218 Su Client: BP Exploration Alaska field: Prudhoe Bay Unit - WOA Structure I Slot: L-PAD / L-218 N-B Well: L•218 Borehole: L-218 UWVAPI#: 500292327200 Survey Name /Date: L-218 /September 1, 2005 Tort /AHD / DDI / ERO ratio: 187.502° (5072.59 ft 16.183 / 1.110 Grid Coordinate System: NAD27 Alaska State Planes, Zone 04, US Feet Location LaVLong: N 70 21 1.857, W 14919 33.719 Location Grid WE Y/X: N 5978236.370 ftUS, E 583011.220 ftUS Grid Convergence Angle: +0.63472341 ° Grid Scale Factor: 0.99990783 R ,ort Schlombrger Survey I DLS Computation Method: Minimum Curvature / Lubinski Vertical Section Azimuth: 337.090° Vertical Section Origin: N 0.000 ft, E 0.000 ft ND Reference Datum: Rotary Table ND Reference Elevation: 76.40 ft relative to MSL Sea Bed /Ground Level Elevation: 47.90 ft relative to MSL Magnetic Declination: 24.502° Total Field Strength: 57575.431 nT Magnetic Dip: 80.845° Declination Date: August 26, 2005 Magnetic Declination Model: BGGM 2005 North Reference: True North Total Corr Mag North -> True North: +24.502° • Comments Measured Inclination Azimuth Sub-Sea ND ND Vertical Along Hole Closure NS EW DLS Northing Easting Latitude Longitude Depth Section Departure ft de de ft tt ft ft ft ft ft de 100 ft ftUS ftUS H I t OAO 0.00 0.00 -76.40 U.00 0.00 0.00 0.00 O.VO OAO 0.00 5978236.37 583011.22 N 70 21 1.857 W 149 19 33.719 First GYD-GC-SS 100.00 0.18 267.16 23.60 100.00 0.05 0.16 0.16 -0.01 -0.16 0.18 5978236.36 583011.06 N 70 21 1.857 W 149 19 33.724 200.00 0.18 252.37 123.60 200.00 0.12 0.47 0.47 -0.06 -0.46 0.05 5978236.30 583010.76 N 70 21 1.857 W 149 19 33.733 300.00 0.20 140.05 223.60 300.00 -0.03 0.71 0.56 -0.24 -0.50 0.32 5978236.12 583010.72 N 70 21 1.855 W 149 19 33.734 400.00 1.66 124.19 323.58 399.98 -1.41 2.33 1.44 -1.19 0.81 1.47 5978235.19 583012.04 N 70 21 1.846 W 149 19 33.695 500.00 2.56 139.49 423.52 499.92 -4.76 5.99 5.07 -3.70 3.46 1.05 5978232.70 583014.72 N 70 21 1.821 W 149 19 33.618 600.00 3.43 167.85 523.38 599.78 -9.83 11.1 i 10.00 -8.33 5.54 1.69 5978228.11 583016.85 N 70 21 1.775 W 149 19 33.557 700.00 4.17 196.72 623.17 699.57 -15.57 17.60 15.60 -14.73 5.12 2.02 5978221.69 583016.50 N 70 21 1.712 W 149 19 33.569 800.00 5.52 245.40 722.85 799.25 -18.51 25.56 20.22 -20.22 -0.30 4.18 5978216.15 583011.14 N 70 21 1.658 W 149 19 33.728 900.00 7.41 280.13 822.25 898.65 -15.13 36.49 23.80 -21.09 -11.03 4.25 5978215.16 583000.43 N 70 21 1.650 W 149 19 34.041 1000.00 9.16 299.16 921.22 997.62 -5.34 50.77 29.16 -16.08 -24.33 3.23 5978220.03 582987.07 N 70 21 1.699 W 149 19 1100.00 10.33 320.33 1019.81 1096.21 9.53 67.51 37.38 -5.29 -37.01 3.74 5978230.67 582974.28 N 70 21 1.805 W 149 19 1200.00 11.64 336.99 1118.00 1194.40 28.21 86.44 47.93 10.90 -46.68 3.42 5978246.75 582964.43 N 70 21 1.965 W 14919 3 . 3 1300.00 15.54 344.62 1215.19 1291.59 51.59 109.90 63.49 33.11 -54.18 4.28 5978268.88 582956.69 N 70 21 2.183 W 149 19 35.302 1400.00 22.32 341.80 1309.72 1386.12 83.83 142.31 90.35 64.10 -63.67 6.84 5978299.76 582946.85 N 70 21 2.488 W 149 19 35.580 Last GYD-GC-SS 1470.00 27.10 339.73 1373.30 1449.70 113.02 171.56 117.43 91.70 -73.35 6.94 5978327.25 582936.86 N 70 21 2.759 W 149 19 35.863 First MW D+IFR+MS 1510.28 30.10 335.17 1408.66 1485.06 13229 190.84 136.06 109.48 -80.77 9.21 5978344.94 582929.25 N 70 21 2.934 W 149 19 36.080 1605.46 36.64 335.43 1488.11 1564.51 184.59 243.16 187..59 157.02 -102.63 6.87 5978392.23 582906:87 N 70 21 3.402 W 149 19 36.718 1698.73 38.65 341.03 1561.98 1638.38 241.49 300.09 243.63 209.90 -123.68 4.25 5978444.87 582885.24 N 70 21 3.922 W 149 19 37.334 1791.86 40.15 344.73 1633.95 1710.35 300.27 359.19 301:.42 266.38 -141.04 2.99 5978501.15 582867.25 N 70 21 4.477 W 149 19 37.841 1885.72 43.20 346.03 1704.05 1780.45 362.02 421.59 362.42 326.76 -156.77 3.38 5978561.35 582850.85 N 70 21 5.071 W 149 19 38.301 1980.23 43.40 346.53 1772.83 1849.23 426.00 486.41 426.06 389.73 -172.15 0.42 5978624.13 582834.78 N 70 21 5.690 W 149 19 38.750 2073.20 44.93 346.12 1839.52 1915.92 489.93 551.18 489.95 452.67 -187.46 1.67 5978686.89 582818.77 N 70 21 6.309 W 149 19 39.198 SurveyEditor Ver SP 1.0 Bld( doc40x_56) L-218 N-B\L-218\L-218\L-218 Generated 9/20/2005 2:22 PM Page 1 of 3 Measured Vertical Along Hole " Comments Inclination Azimuth Sub-Sea ND ND Closure NS EW DLS Northing Easting Latitude Longitude Depth Section Departure ft de de ft ft tt ft tt ft tt de 100 ft ftUS ttUS Llt)S.y:i bU.ify :14b.b1 lyU1.Ei5 ly/t1.U5 55/.2iC fily.yli 5b2f.U7 b1y.51 -'LU:S.bb 11.44 5y/it/5;1.55 2259.56 55.57 347.59 1957.68 2034.08 631.65 694.95 632.26 592.60 -220.38 5.07 5978826.44 2352.67 55.57 347.70 2010.33 2086.73 707.15 771.74 708.38 667.62 -236.82 0.10 5978901.27 2445.83 57.67 348.49 2061.58 2137.98 783.50 849.53 785.55 743.74 -252.86 2.36 5978977.19 2539.65 61.11 348.90 2109.35 2185.75 862.59 930.27 865.66 822.91 -268.68 3.69 5979056.17 2632.38 63.47 352.70 2152.47 2228.87 942.31 1012.35 946.82 903.92 -281.77 4.43 5979137.03 2725.85 62.77 353.60 2194.73 2271.13 1022.43 1095.72 1028.92 986.70 -291.71 1.14 5979219.68 2819.08 62.12 356.36 2237.87 2314.27 1101.07 1178.37 1110.04 1069.02 -298.95 2.72 5979301.92 2912.81 63.45 359.89 2280.74 2357.14 1178.85 1261.72 1191.15 1152.31 -301.66 3.64 5979385.16 3006.19 64.19 1.02 2321.94 2398.34 1255.77 1345.51 1272.23 1236.11 -301.00 1.34 5979468.95 3099.88 64.57 358.23 2362.46 2438.86 1333.79 1429.99 1354.57 1320.57 -301.55 2.72 5979553.40 3193.38 64.71 354.24 2402.52 2478.92 1413.59 1514.47 1438.03 1404.86 -307.10 3.86 5979637.61 3285.68 64.22 354.02 2442.31 2518.71 1493.22 1597.76 1520.82 1487.71 -315.62 0.57 5979720.35 3378.48 64.17 351.32 2482.71 2559.11 1573.68 1681,30 1604.09 1570.56 -326.27 2.62 5979803.07 3410.07 64.03 350.97 2496.51 2572.91 1601.25 1709.72 1632.47 1598.64 -330.65 1.09 5979831.10 3529.93 62.35 350.04 2550.57 2626.97 1705.30 1816.69 1739.37 1704.14 -348.29 1.56 5979936.39 3561.50 62.49 348.09 2565.19 2641.59 1732.67 1844.67 1767.35 1731.61 -353.60 5.49 5979963.80 3654.39 65.19 343.22 2606.16 2682.56 1815.08 1928.03 1850.58 1812.34 -374.28 5.53 5980044.28 3746.91 64.61 341.75 2645.40 2721.80 1898.49 2011.81 1933.95 1892.24 -399.49 1.57 5980123.89 3840.91 63.12 339.76 2686.81 2763.21 1982.70 2096.20 2017.67 1971.90 -427.30 2.47 5980203.23 3934.73 62.39 333.74 2729.79 2806.19 2066.05 2179.59 2099.55 2048.50 -460.19 5.76 5980279.45 4027.53 59.33 338.71 2775.00 2851.40 2147.05 2260.62 2179.08 2122.61 -492.89 5.72 5980353.19 4119.71 58.39 340.68 2822.67 2899.07 2225.86 2339.52 2257.37 2196.59 -520.28 2.09 5980426.86 4214.45 59.98 339.89 2871.20 2947.60 2307.09 2420.88 2338.24 2273.19 -547.73 1.82 5980503.13 4307.99 58.66 338.30 2918.93 2995.33 2387.48 2501.32 2418.04 2348.33 -576.42 2.03 5980577.95 4401.55 57.38 337.10 2968.48 3044.88 2466.84 2580.68 2496.56 2421.76 -606.53 1.75 5980651.03 4494.01 55.88 333.69 3019.35 3095.75 2544.00 2657.89 2572.49 2491.95 -638.65 3.48 5980720.86 4587.97 55.53 331.87 3072.29 3148.69 2621.40 2735.51 2648.22 2560.98 -674.16 1.64 5980789.48 4681.45 55.73 330.28 3125.07 3201.47 2698.13 2812.67 2723.10 2628.51 -711.47 1.42 5980856.59 4774.35 56.78 330.55 3176.67 3253.07 2774.85 2889.92 2797.97 2695.68 -749.61 1.16 5980923.33 4868.27 58.81 331.73 3226.73 3303.13 2853.89 2969.38 2875.35 2765.28 -787.96 2.41 5980992.49 4961.45 59.19 331.87 3274.72 3351.12 2933.42 3049.25 2953.44 2835.67 -825.70 0.43 5981062.46 5055.89 60.28 332.75 3322.32 3398.72 3014.70 3130.82 3033.43 2907.90 -863.60 1.41 5981134.25 5149.09 60.72 332.73 3368.21 3444.61 3095.59 3211.94 3113.17 2980.01 -900.75 0.47 5981205.94 5241.88 60.16 333.74 3413.99 3490.39 3176.11 3292.65 3192.69 3052.07 -937.10 1.12 5981277.58 5335.83 59.04 333.19 3461.53 3537.93 3256.98 3373.68 3272.65 3124.57 -973.30 1.29 5981349.67 5428.54 60.06 332.83 3508.51 3584.91 3336.70 3453.60 3351.46 3195.78 -1009.57 1.15 5981420.47 5522.17 61.12 333.03 3554.49 3630.89 3418.05 3535.16 3431.92 3268.41 -1046.69 1.15 5981492.68 5615.46 61.51 333.36 3599.27 3675.67 3499.70 3617.00 3512.76 3341.46 -1083.60 0.52 5981565.30 5708.12 60.63 331.97 3644.09 3720.49 3580.55 3698.10 3592.80 3413.50 -1120.83 1.62 5981636.92 5801.97 61.04 333.62 3689.83 3766.23 3662.27 3780.05 3673.76 3486.38 -1158.29 1.60 5981709.38 5t1LtSUl.tiJ IV /U'Ll li.yb/ W 14y ly;iy.(7/1 582784.31 N 70 21 7.685 W 149 19 40.160 582767.05 N 70 21 8.423 W 149 19 40.640 582750.17 N 70 21 9.172 W 149 19 41.109 582733.47 N 70 21 9.950 W 149 19 41.572 582719.48 N 70 21 10.747 W 149 19 41.955 582708.62 N 70 21 11.561 W 149 19 42.245 582700.47 N 70 21 12.371 W 149 19 42.457 582696.84 N 70 21 13.190 W 149 19 42.536 582696.58 N 70 21 14.014 W 149 19 42.517 582695.09 N 70 21 14.845 W 149 19 4 582688.61 N 70 21 15.674 W 149 19 4~ 582679.17 N 70 21 16.489 W 149 19 42.945 5$2667.60 N 70 21 17.303 W 14919 43.256 582662.92 N 70 21 17.580 W 149 19 43.384 582644.11 N 70 21 18.617 W 149 19 43.900 582638.50 N 70 21 18.887 W 149 19 44.055 582616.92 N 70 21 19.681 W 149 19 44.660 582590.83 N 70 21 20.467 W 149 19 45.397 582562.15 N 70 21 21.251 W 149 19 46.210 582528.41 N 70 21 22.004 W 149 19 47.172 582494.89 N 70 21 22.733 W 149 19 48.128 582466.69 N 70 21 23.460 W 149 19 48.928 582438.40 N 70 21 24.214 W 149 19 49.731 582408.87 N 70 21 24.953 W 149 19 50.570 582377.96 N 70 21 25.675 W 149 19 51.450 582345.06 N 70 21 26.365 W 149 19 52.390 582308.80 N 70 21 27.044 W 14919 5 8 582270.74 N 70 21 27.708 W 149 19 582231.87 N 70 21 28.369 W 149 19 582192.75 N 70 21 29.053 W 149 19 56.755 582154.24 N 70 21 29.745 W 149 19 57.859 582115.54 N 70 21 30.456 W 149 19 58.967 582077.60 N 70 21 31.165 W 149 20 0.054 582040.46 N 70 21 31.873 W 149 20 1.117 582003.46 N 70 21 32.586 W 149 20 2.175 581966.40 N 70 21 33.287 W 149 20 3.236 581928.49 N 70 21 34.001 W 149 20 4.322 581890.78 N 70 21 34.719 W 149 20 5.401 581852.75 N 70 21 35.428 W 149 20 6.490 581814.49 N 70 21 36.145 W 149 20 7.586 SunreyEditor Ver SP 1.0 Bld( doc40x_56) L-218 N-B\L-218\L-218\L-218 Generated 9/20/2005 2:22 PM Page 2 of 3 Comments Measured Inclination Azimuth Sub•Sea ND ND Vertical Along Hole Closure NS EW DLS Northing Easting Latitude Longitude< Depth Section Departure tt de de ft ft ft ft ft ft ft de 100 ft ftUS ftUS 5tfy4.tiS EiU.4Ei 333.b4 3(35.20 3t311.fiU :i/43.14 3tifil.U1 3/54.UU 3b5tS.y4 -lly4:d4 U.ti3 5`Jtil/tS1.yC 5988.01 57.95 333.83 3782.91 3859.31 3823.03 3941.11 3833.31 3630.68 -1229.82 2.71 5981852.86 6081.53 57.57 335.29 3832.80 3909.20 3902.05 4020.21 3911.88 3702.10 -1263.80 1.38 5981923.90 6175.61 55.78 335.48 3884.48 3960.88 3980.62 4098.81 3990.09 3773.57 -1296.55 1.91 5981994:99 6268.32 54.63 336.21 3937.39 4013.79 4056.74 4174.94 4065.92 3843.03 -1327.70 1.40 5982064.10 6362.38 57.47 334.37 3989.91 4066.31 4134.71 4252.96 4143.56 3913.89 -1360.33 3.43 5982134.58 6456.05 61.02 331.56 4037.81 4114.21 4214.97 4333.44 4223.28 3985.55 -1396.94 4.58 5982205.83 6548.23 61.67 327.65 4082.03 4158.43 4295.15 4414.32 4302.66 4055.30 -1437.86 3.79 5982275.11 6642.17 60.57 325.68 4127.40 4203.80 4376.04 4496.57 4382.58 4124.02 -1483.06 2.18 5982343.32 6735.14 59.44 323.52 4173.88 4250.28 4454.65 4577.09 4460.17 4189.65 -1529.69 2.35 5982408.43 6828.78 57.96 317.75 4222.56 4298.96 4531.34 4657.08 4535.72 4251.49 -1580.38 5.50 5982469.69 6921.66 56.88 314.31 4272.58 4348.98 4604.36 4735.34 4607.54 4307.81 -1634.69 3.33 5982525.41 7014.35 55.44 315.86 4324.20 4400.60 4675.73 4812.32 4677.90 4362.32 -1689.05 2.08 5982579.30 7107.15 56.43 316.08 4376.18 4452.58 4747.44 4889.20 4748.83 4417.59 -1742.48 1.08 5982633.98 7201.08 57.51 316.10 4427.38 4503.78 4820.96 4967.94 4821.74 4474.33 -1797.09 1.15 5982690.09 Last MWD+IFR+MS 7225.23 57.63 315.40 4440.33 4516.73 4839.95 4988.33 4840.59 4488.93 -1811.32 2.50 5982704.54 TD (Projected) 7325.00 57.63 315.40 4493.75 4570.15 4918.25 5072.59 4918.48 4548.93 -1870.49 0.00 5982763.87 Survey Type: Definitive Survey NOTES: GYD GC SS - (Gyrodata -gyro single shots -- Gyrodata gy ro orientatio n surveys. Not to be run above 70 degrees inclination. ) MWD + 1FR + MS - (In-field referenced MWD with mutt-station analysis and correction applied in post-processing. Assu mes a BHA sag correction is applied to enhan ce inclination accuracy. ) Legal Description: Northing (Y) [ftUSJ Eastin g (X) [ftUS] Surface : 2516 FSL 3904 FEL S34 T12N R11 E UM 5978236.37 583011.22 BHL : 1785 FSL 485 FEL S28 T1 2N R11 E UM 5982763.87 581090.64 bttl///.ti4 N /V'Ll 3ti.k15t3 W 14y'LUt3.Ei4U 581741.37 N 70 21 37.564 W 149 20 9.678 581706.61 N 70 21 38.266 W 149 20 10.672 581673.08 N 70 21 38.969 W 149 2011.629 581641.16 N 70 21 39.652 W 149 20 12.541 581607.75 N 70 21 40.349 W 149 20 13.495 581570.35 N 70 21 41.053 W 149 2014.566 581528.66 N 70 21 41.739 W 149 20 15.763 581482.71 N 70 21 42.415 W 149 20 17.085 581435.36 N 70 21 43.060 W 149 20 18.449 581384.00 N 70 21 43.669 W 149 20 19 1 581329.07 N 70 21 44.222 W 149 20 2~ 581274.11 N 70 21 44.758 W 149 20 23.110 581220.08 N 70 21 45.302 W 149 20 24.673 581164.84 N 70 21 45.860 W 149 20 26.270 581150.46 N 70 21 46.003 W 149 20 26.686 581090.64 N 70 21 46.593 W 149 20 28.417 lr u SurveyEditor Ver SP 1.0 Bld( doc40x_56 ) L-218 N-B\L-218\L-218\L-218 Generated 9/20/2005 2:22 PM Page 3 of 3 TREE=. 4-1/16" CM/ V+/ELLHEA'J = FMC iaCTUATOR = NA KB. ELEV = 76.4' BF. ELEV. - 54.6' KOP = _ 400' Max Angle = 65° @ 3654' Datum MD = xxxx' Datum TV D = -xxxx' SS 9-5/8" CSG, 40#, L-80, ID = 8.835" 3455' Minimum ID = 2.813" 3-1/2" HES X NIPPLE 7" MARKER JOINT W/ RA TAG 5845' 3-112" TBG W/ RA MARKER~~ 6589' 7" MARKER JOINT W/ RA TAG ~-~ 6535' ~ C 3-1/2" TBG, 9.2#, L-80, .0087 bpf, ID = 2.992" ~-~ 6899' PERFORATION SUMMARY REF LOG: Anadrill LWD 08/30!05 ANGLE AT TOP PERF: 58° @ 5954' Note: Refer to Production DB for historical perf data SIZE SPF INTERVAL Opn/Sqz DATE 4.5" 5 5954-5955 Open 09/05/05 4.5" 5 5966-5967 Open 09/05/05 4.5" 5 6116-6117 Open 09/05/05 4.5" 5 6122-6123 Open 09!05/05 4.5" 5 6201-6202 Open 09/05/05 4.5" 5 6207-6208 Open 09/05/05 4.5" 5 6542-6600 Open 09/05!05 4.5" 5 6652-6710 Open 09/05/05 4.5" 5 6745-6765 Open 09/05/05 4.5" 5 6934-7016 Open 09/05/05 PBTD 7223' 7" CSG, 26#, L-80, ID = 6.276" 7306' 6809' 6829' 6856' 6877' 6899' COMMENTS DATE REV BY COMMENTS COMPLETION 3- i i2" HES X NIP, ID = 2.813" 7" X 3-1 /2" BKR PREMIER PKR, ID = 2.89" 3-1/2" HES X NIP, ID = 2.813" 3-112" HES X NIP, ID = 2.813" 3-1/2" WLEG, ID = 3.00" ORION UNfT WELL: L-2181 PERMIT No: 205-119 API No: 50-029-23272-00 5EC 34, T12N, R11 E, 2517' NSL & 3904' WEL BP 6cploration (Alaska) AFEt'Y NOTES: GLM'S @ STA #1- #5 ARE 3-1 /2" X 1-1 /2" MMGW W HICH ARE WATERFLOOD MANDRELS. 3222' 3-1/2" HES X NIP, ID = 2.813" WATERFLOOD/GAS LIFT MANDRELS • ^ . ~ - ~ L-218 i ST MD TVD DEV TYPE VLV LATCH PORT DATE 6 5772 3751 61 MMG DCR RKP 09/06/05 5 6443 4107 60 MMG-W DMY RK 0 09/06/05 4 6519 4145 61 MMG-W DMY RK 0 09/06/05 3 6580 4174 61 MMG-W DMY RK 0 09!06/05 2 6657 4212 60 MMG-W DMY RK 0 09/06/05 1 6780 4274 58 MMG-W DMY RK 0 09!06/05 5895' --~ 3-1/2" HES X NIP, ID = 2.813" 5915' 7" X 3-1/2" BKR PREMIER PKR, ID = 2.875" .~ 6472' '-, 3-112" HES X NIP, ID = 2.813" 6493' 7" X 3-1/2" BKR PREMIER PKR, ID = 2.89" 6609' 3-1/2" HES X NIP, ID = 2.813" 6630' 7" X 3-1/2" BKR PREMIER PKR, ID = 2.89" l"' ci ~; I ~. .L ~,. SCHLUMBERGER Survey report Client ...................: BP Exploration (Alaska) Inc. Field ..................... Orion Well .....................: L-218 API number ...............: 50-029-23272-00 Engineer .................: F.Medina Rig :...................... Nabors 9ES STATE :.................... Alaska ----- Survey calculation methods------------- Method for positions.....: Minimum curvature Method for DLS...........: Mason & Taylor ----- Depth reference ----------------------- Permanent datum..........: Mean Sea Level Depth reference..........: Drillers Pipe Tally GL above permanent.......: 47.90 ft KB above permanent.......: 0.00 ft DF above permanent.......: 76.40 ft ----- Vertical section origin---------------- Latitude (+N/S-).........: 0.00 ft Departure (+E/W-)........: 0.00 ft ----- Platform reference point--------------- Latitude (+N/S-).........: -999.25 ft Departure (+E/W-)......... -999.25 ft Azimuth from Vsect Origin to target: 337.09 degrees 1-Sep-2005 03:44:01 Page 1 of 4 Spud date ................: 24-August-2005 Last survey date.........: 30-Aug-05 Total accepted surveys...: 81 MD of first survey.......: 0.00 ft MD of last survey........: 7325.00 ft ----- Geomagnetic data ---------------------- Magnetic model...........: BGGM version 2005 Magnetic date ............: 24-Aug-2005 Magnetic field strength..: 1151.52 HCNT Magnetic dec (+E/W-).....: 24.51 degrees Magnetic dip .............: 80.85 degrees ----- MWD survey Reference Reference G ..............: Reference H ............... Reference Dip ............: Tolerance of G............ Tolerance of H...........: Tolerance of Dip.........: Criteria --------- 1002.68 meal 1151.51 HCNT 80.85 degrees (+/-) 2.50 meal (+/-) 6.00 HCNT (+/-) 0.45 degrees ----- Corrections --------------------------- Magnetic dec (+E/W-).....: 24.51 degrees Grid convergence (+E/W-).: 0.00 degrees Total az corr (+E/W-)....: 24.51 degrees (Total az corr = magnetic dec - grid conv) Survey Correction Type .... I=Sag Corrected Inclination M=Schlumberger Magnetic Correction S=Shell Magnetic Correction F=Failed Axis Correction R=Magnetic Resonance Tool Correction D=Dmag Magnetic Correction • • SCHLUMBERGER Survey Report 1-Sep-2005 03:44:01 Page 2 of 4 Seq Measured Incl Azimuth Course TVD Vertical Displ Displ Total At DLS Srvy Tool # depth angle angle length depth section +N/S- +E/W- displ Azim (deg/ tool Corr - (ft) (deg) (deg) (ft) (ft) (ft) (ft) (ft) (ft) (deg) 100f) type (deg) 1 0.00 0.00 125.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 TIP None 2 100.00 0.18 267.16 100.00 100.00 0.05 -0.01 -0.16 0.16 267.16 0.18 GYD_GC MS 3 200.00 0.18 252.37 100.00 200.00 0.12 -0.06 -0.46 0.47 262.24 0.05 _ GYD_GC_MS 4 300.00 0.20 140.05 100.00 300.00 -0.03 -0.24 -0.50 0.56 243.99 0.32 GYD_GC_MS 5 400.00 1.66 124.19 100.00 399.98 -1.41 -1.19 0.81 1.44 145.84 1.47 GYD GC MS 6 7 500.00 600.00 2.56 3.43 139.49 167.85 100.00 100.00 499.92 599.78 -4.76 -9.83 -3.70 -8.33 3.46 5.54 5.07 10.00 136.97 146.37 1.05 1.69 GYD_GC_MS GYD_GC_MS . 8 700.00 4.17 196.72 100.00 699.57 -15.57 -14.73 5.12 15.60. 160.83 2.02 GYD_GC MS 9 800.00 5.52 245.40 100.00 799.25 -18.51 -20.22 -0.30 20.22 180.85 4.18 _ GYD_GC_MS 10 900.00 7.41 280.13 100.00 898.65 -15.13 -21.09 -11.03 23.80 207.60 4.25 GYD GC MS 11 1000.00 9.16 299.16 100.00 997.62 -5.34 -16.08 -24.33 29.16 236.54 3.23 GYD_GC_MS 12 1100.00 10.33 320.33 100.00 1096.21 9.53 -5.29 -37.01 37.38 261.86 3.74 GYD_GC_MS 13 1200.00 11.64 336.99 100.00 1194.40 28.21 10.90 -46.68 47.93 283.14 3.42 GYD_GC_MS 14 1300.00 15.54 344.62 100.00 1291.59 51.59 33.11 -54.18 63.49 301.43 4.28 GYD_GC_MS 15 1400.00 22.32 341.80 100.00 1386.12 83.83 64.10 -63.67 90.35 315.19 6.84 GYD GC MS 16 1470.00 27.10 339.73 70.00 1449.70 113.02 91.70 -73.35 117.43 321.34 6.94 GYD_GC MS 17 1510.28 30.10 335.17 40.28 1485.06 132.29 109.48 -80.77 136.06 323.58 9.21 _ MWD+IFR+MS 18 1605.46 36.64 335.43 95.18 1564.51 184.59 157.02 -102.63 187.59 326.83 6.87 MWD+IFR+MS 19 1698.73 38.65 341.03 93.27 1638.38 241.49 209.90 -123.68 243.63 329.49 4.25 MWD+IFR+MS 20 1791.86 40.15 344.73 93.13 1710.35 300.27 266.38 -141.04 301.42 332.10 2.99 MWD+IFR+MS 21 1885.72 43.20 346.03 93.86 1780.45 362.02 326.76 -156.77 362.42 334.37 3.38 MWD+IFR+MS • 22 1980.23 43.40 346.53 94.51 1849.23 426.00 389.73 -172.15 426.06 336.17 0.42 MWD+IFR+MS 23 2073.20 44.93 346.12 92.97 1915.92 489.93 452.67 -187.46 489.95 337.50 1.67 MWD+IFR+MS 24 2165.93 50.89 346.61 92.73 1978.05 557.82 519.51 -203.66 558.01 338.59 6.44 MWD+IFR+MS 25 2259.56 55.57 347.59 93.63 2034.08 631.65 592.60 -220.38 632.26 339.60 5.07 MWD+IFR+MS 26 2352.67 55.57 347.70 93.11 2086.73 707.15 667.62 -236.82 708.38 340.47 0.10 MWD+IFR+MS 27 2445.83 57.67 348.49 93.16 2137.98 783.50 743.74 -252.86 785.55 341.22 2.36 MWD+IFR+MS 28 2539.65 61.11 348.90 93.82 2185.74 862.59 822.91 -268.68 865.66 341.92 3.69 MWD+IFR+MS 29 2632.38 63.47 352.70 92.73 2228.87 942.31 903.92 -281.77 946.82 342.69 4.43 MWD+IFR+MS 30 2725.85 62.77 353.60 93.47 2271.13 1022.43 986.70 -291.71 1028.92 343.53 1.14 MWD+IFR+MS SCHLUMBERGER Survey Report 1-Sep-2005 03:44:01 Page 3 of 4 Seq Measured Incl Azimuth Course TVD Vertical Displ Displ Total At DLS Srvy Tool # depth angle angle length depth section +N/S- +E/W- displ Azim (deg/ tool Corr - (ft) (deg) (deg) (ft) (ft) (f t) (ft) (ft) (f t) (deg) 100f) type (deg) 31 2819.08 62.12 356.36 93.23 2314.27 1101.07 1069.02 -298.95 1110.04 344.38 2.72 MWD+IFR+MS 32 2912.81 63.45 359.89 93.73 2357.14 1178.85 1152.31 -301.66 1191.15 345.33 3.64 MWD+IFR+MS 33 3006.19 64.19 1.02 93.38 2398.34 1255.77 1236.11 -301.00 1272.23 346.31 1.34 MWD+IFR+MS 34 3099.88 64.57 358.23 93.69 2438.86 1333.79 1320.57 -301.55 1354.57 347.14 2.72 MWD+IFR+MS 35 3193.38 64.71 354.24 93.50 2478.92 1413.59 1404.86 -307.10 1438.03 347.67 3.86 MWD+IFR+MS 36 37 3285.68 3378.48 64.22 64.17 354.02 351.32 92.30 92.80 2518.71 2559.11 1493.22 1573.68 1487.71 1570.56 -315.62 -326.27 1520.82 1604.09 348.02 348.26 0.57 2.62 MWD+IFR+MS MWD+IFR+MS 38 3410.07 64.03 350.97 31.59 2572.91 1601.25 1598.64 -330.65 1632.47 348.31 1.09 MWD+IFR+MS 39 3529.93 62.35 350.04 119.86 2626.97 1705.30 1704.14 -348.29 1739.37 348.45 1.56 MWD+IFR+MS+SAG 40 3561.50 62.49 348.09 31.57 2641.59 1732.67 1731.61 -353.60 1767.35 348.46 5.49 MWD+IFR+MS+SAG 41 3654.39 65.19 343.22 92.89 2682.56 1815.08 1812.34 -374.28 1850.58 348.33 5.53 MWD+IFR+MS+SAG 42 3746.91 64.61 341.75 92.52 2721.80 1898.49 1892.23 -399.49 1933.95 348.08 1.57 MWD+IFR+MS+SAG 43 3840.91 63.12 339.76 94.00 2763.21 1982.69 1971.90 -427.30 2017.67 347.77 2.47 MWD+IFR+MS+SAG 44 3934.73 62.39 333.74 93.82 2806.19 2066.05 2048.50 -460.19 2099.55 347.34 5.76 MWD+IFR+MS+SAG 45 4027.53 59.33 338.71 92.80 2851.40 2147.05 2122.61 -492.89 2179.08 346.93 5.72 MWD+IFR+MS+SAG 46 4119.71 58.39 340.68 92.18 2899.07 2225.86 2196.59 -520.28 2257.37 346.67 2.09 MWD+IFR+MS+SAG 47 4214.45 59.98 339.89 94.74 2947.60 2307.09 2273.19 -547.73 2338.24 346.45 1.82 MWD+IFR+MS+SAG 48 4307.99 58.66 338.30 93.54 2995.33 2387.48 2348.33 -576.42 2418.04 346.21 2.03 MWD+IFR+MS+SAG 49 4401.55 57.38 337.10 93.56 3044.88 2466.84 2421.76 -606.53 2496.56 345.94 1.75 MWD+IFR+MS+SAG 50 4494.01 55.88 333.69 92.46 3095.75 2544.00 2491.95 -638.65 2572.49 345.63 3.48 MWD+IFR+MS+SAG 51 4587.97 55.53 331.87 93.96 3148.69 2621.40 2560.98 -674.16 2648.22 345.25 1.64 MWD+IFR+MS+SAG 52 4681.45 55.73 330.28 93.48 3201.47 2698.13 2628.51 -711.47 2723.10 344.85 1.42 MWD+IFR+MS+SAG • 53 4774.35 56.78 330.55 92.90 3253.07 2774.85 2695.68 -749.61 2797.97 344.46 1.16 MWD+IFR+MS+SAG 54 4868.27 58.81 331.73 93.92 3303.13 2853.89 2765.28 -787.96 2875.36 344.10 2.41 MWD+IFR+MS+SAG 55 4961.45 59.19 331.87 93.18 3351.12 2933.42 2835.67 -825.70 2953.44 343.77 0.43 MWD+IFR+MS+SAG 56 5055.89 60.28 332.75 94.44 3398.72 3014.70 2907.90 -863.60 3033.43 343.46 1.41 MWD+IFR+MS+SAG 57 5149.09 60.72 332.73 93.20 3444.61 3095.59 2980.01 -900.75 3113.17 343.18 0.47 MWD+IFR+MS+SAG 58 5241.88 60.16 333.74 92.79 3490.39 3176.11 3052.07 -937.10 3192.69 342.93 1.12 MWD+IFR+MS+SAG 59 5335.83 59.04 333.19 93.95 3537.93 3256.98 3124.57 -973.30 3272.65 342.70 1.29 MWD+IFR+MS+SAG 60 5428.54 60.06 332.83 92.71 3584.91 3336.70 3195.78 - 1009.57 3351.46 342.47 1.15 MWD+IFR+MS+SAG SCHLUMBERGER Survey Report 1-Sep-2005 03:44:01 Page 4 of 4 Seq Measured Incl Azimuth Course TVD Vertical Displ Displ Total At DLS Srvy Tool # depth angle angle length depth section +N/S- +E/W- displ Azim (deg/ tool Corr - (ft) (deg) (deg) (ft) (ft) (ft) (f t) (ft) (ft) (deg) 100f) type (deg) 61 5522.17 61.12 333.03 93.63 3630.89 3418.05 3268.41 -1046.69 3431.92 342.24 1.15 MWD+IFR+MS+SAG 62 5615.46 61.51 333.36 93.29 3675.67 3499.70 3341.46 -1083.60 3512.76 342.03 0.52 MWD+IFR+MS+SAG 63 5708.12 60.63 331.97 92.66 3720.49 3580.55 3413.50 -1120.83 3592.80 341.82 1.62 MWD+IFR+MS+SAG 64 5801.97 61.04 333.62 93.85 3766.23 3662.27 3486.38 -1158.29 3673.76 341.62 1.60 MWD+IFR+MS+SAG 65 5894.83 60.46 333.54 92.86 3811.60 3743.14 3558.94 -1194.34 3754.00 341.45 0.63 MWD+IFR+MS+SAG 66 67 5988.01 6081.53 57.95 57.57 333.83 335.29 93.18 93.52 3859.30 3909.20 3823.03 3902.05 3630.68 3702.11 -1229.82 -1263.80 3833.31 3911.88 341.29 341.15 2.71 1.38 MWD+IFR+MS+SAG MWD+IFR+MS+SAG • 68 6175.61 55.78 335.48 94.08 3960.88 3980.63 3773.57 -1296.55 3990.09 341.04 1.91 MWD+IFR+MS+SAG 69 6268.32 54.63 336.21 92.71 4013.78 4056.74 3843.03 -1327.70 4065.92 340.94 1.40 MWD+IFR+MS+SAG 70 6362.38 57.47 334.37 94.06 4066.31 4134.71 3913.89 -1360.33 4143.56 340.83 3.43 MWD+IFR+MS+SAG 71 6456.05 61.02 331.56 93.67 4114.21 4214.97 3985.55 -1396.94 4223.28 340.68 4.58 MWD+IFR+MS+SAG 72 6548.23 61.67 327.65 92.18 4158.43 4295.15 4055.30 -1437.86 4302.66 340.48 3.79 MWD+IFR+MS+SAG 73 6642.17 60.57 325.68 93.94 4203.80 4376.04 4124.02 -1483.06 4382.58 340.22 2.18 MWD+IFR+MS+SAG 74 6735.14 59.44 323.52 92.97 4250.28 4454.65 4189.65 -1529.69 4460.17 339.94 2.35 MWD+IFR+MS+SAG 75 6828.78 57.96 317.75 93.64 4298.96 4531.34 4251.49 -1580.38 4535.72 339.61 5.50 MWD+IFR+MS+SAG 76 6921.66 56.88 314.31 92.88 4348.98 4604.36 4307.81 -1634.69 4607.54 339.22 3.33 MWD+IFR+MS+SAG 77 7014.35 55.44 315.86 92.69 4400.60 4675.73 4362.32 -1689.05 4677.90 338.83 2.08 MWD+IFR+MS+SAG 78 7107.15 56.43 316.08 92.80 4452.58 4747.44 4417.59 -1742.48 4748.83 338.47 1.08 MWD+IFR+MS+SAG 79 7201.08 57.51 316.10 93.93 4503.78 4820.96 4474.33 -1797.09 4821.74 338.12 1.15 MWD+IFR+MS+SAG 80 7225.23 57.63 315.40 24.15 4516.73 4839.95 4488.93 -1811.32 4840.59 338.03 2.50_ MWD+IFR+MS+SAG 81 7325.00 57.63 315.40 99.77 4570.15 4918.25 4548.93 -1870.49 4918.48 337.65 0.00 Projection to TD . [(c)2005 IDEAL ID10 2C O1] • • Schlumberger Drilling & Measurements MWD/LWD Log Product Delivery Customer BP Exploration (Alaska) Inc. Dispatched To: Helen Warman Well No L-218 Date Dispatched: 0-Jan-00 Installation/Rig Nabors-9ES Dispatched By: Nate Rose LWD Log Delivery V1.1, 10-02-03 Data No Of Prints No of Flo ies Surveys 2 1 .~ ~ t Received B y: ~ Please sign and return to: Drilling & Measurements LWD Division 2525 Gambell Street, Suite 400 Anchorage, Alaska 99501 nrose1@slb.com Fax: 907-561-8317 ~U~ ` ~~~ ~ ~~~ gyro ata Gyrodata Incorporated 1662 W. Sam Houston Pkwy. N. Houston; Texas 77043 713/461-3146 Fax: 713/461-0920 SURVEY REPORT BP L-PAD #L-2181 NABORS #9ES PRUDHOE BAY, AK AK0805G_558 AUGUST 25, 2005 • R~~ QCT 0 ~ 2005 ~,~~~~.s n ~ r IFG ~'W...r'~r ., t. .~ tn'! Alaska Oil & Gas Cons ~~s~: s;ua< Ancho~ra~e Serving the Worldwide Energy Industry with Precision Survey Instrumentation • gyro ata Gyrodata Incorporated 1682 W. Sam Houston Pkwy. N. Houston, Texas 77043 713/461-3146 Fax: 713/461-0920 September 15, 2005 Ms. Sharmaine Copeland BP Exploration (Alaska), Inc. 900 E. Benson Blvd. Petrotechnical Data Center, LR2-1 Anchorage, Alaska 99508 Re: L-Pad,llVeil #L-2181 Prudhoe Bay, Alaska Enclosed, please find one (1) original, two (2) copies, and two (2) disks of the completed survey for the above referenced well. eve Lvouid like to take this opportunity to thank you for using Gyrodata, and we look forward to serving you in the future. Sincerely, ob Shoup North American Operations Manager RS:tf Serving the Worldwide Energy Industry with Precision Survey Instrumentation A Gyrodata Directional Survey for BP EXPLORATION (ALASKA) INC. Lease: L-Pad Well: L-218i, Location: Nabors #9ES, Prudhoe Bay, Alaska Job Number: AK0805G 558 Run Date: 25 Aug 2005 Surveyor: Steve Thompson Calculation Method: MINIMUM CURVATURE Survey Latitude: 70.350516 deg. N Longitude: 149.326033 deg. W Azimuth Correction: Gyro: Bearings are Relative to True North Vertical Section Calculated from Well Head Location Closure Calculated from Well Head Location • • Horizontal Coordinates Calculated from Local Horizontal Reference A Gyrodata Directional Survey BP Exploration (Alaska) Inc. Lease: L-Pad Well: L-218i Location: Nabors #9ES, Prudhoe Bay, Alaska Job Number: AK0805G 558 MEASURED I N C L AZIMUTH BORE HOLE DOGLEG VERTICAL CLOSURE HORIZONTAL DEPTH BEARING SEVERITY DEPTH DIST. AZIMUTH COORDINATES feet deg. deg. deg. min. deg./ feet feet deg. feet 100 ft. 0.00 0.00 0.00 N 0 0 E 0.00 0.00 0.0 0.0 0.00 N 0.00 E ----------------------------------------------------------------- 0 - 1470 FT. RATE GYROSCOPIC MULTISHOT SURVEY ALL MEASURED DEPTHS AND COORDINATES REFERENCED TO NABORS #9ES ROTARY TABLE AT 76.40 FT. 100.00 0.18 267.16 S 87 9 W 0.18 100.00 0.2 267.2 0.01 S 0.16 W 200.00 0.18 252.37 S 72 22 W 0.05 200.00 0.5 262.3 0.06 S 0.46 W 300.00 0.20 140.05 S 39 57 E 0.31 300.00 0.5 244.1 0.24 S 0.49 W 400.00 1.66 124.19 S 55 49 E 1.47 399.98 1.4 145.6 1.18 S 0.81 E 500.00 2.56 139.49 S 40 31 E 1.06 499.92 5.1 136.9 3.70 S 3.46 E 600.00 3.43 167.85 S 12 9 E 1.69 599.78 10.0 146.3 8.32 S 5.54 E 700.00 4.17 196.72 S 16 43 W 2.03 699.57 15.6 160.8 14.74 S 5.13 E 800.00 5.52 245.40 S 65 24 W 4.18 799.25 20.2 180.8 20.23 S 0.30 W 900.00 7.41 280.13 N 79 52 W 4.25 898.65 23.8 207.6 21.10 S 11.02 W 1000.00 9.16 299.16 N 60 50 W 3.23 997.62 29.2 236.5 16.08 S 24.32 W 1100.00 10.33 320.33 N 39 40 W 3.74 1096.21 37.4 261.8 5.30 S 37.00 W 1200.00 11.64 336.99 N 23 1 W 3.42 1194.40 47.9 283.1 10.89 N 46.66 W 1300..00 15.54 344.62 N 15 23 W 4.28 1291.59 63.5 301.4 33.10 N 54.16 W 1400.00 22.32 341.80 N 18 12 W 6.85 1386.12 90.3 315.2 64.09 N 63.66 W 1470.00 27.10 339.73 N 20 16 W 6.93 1449.70 117.4 321.3 91.69 N 73.34 W Final Station Closure: Distance: 117.41 ft Az: 321.35 deg. 2 • BP Exploration (Alaska) Inc. Well: L-Pad L-218i Location: Nabors #9ES, Prudhoe Bav. Alaska 90 80 70 60 50 v 40 C7 z ~ 30 O z 20 10 0 -10 -20 Outrun Gyrodata AK0805G_558 DEFINITIVE ~ BOTTOM HC MD: 1470.0 • • -70 -60 -50 -40 -30 -20 -10 0 FASTING (ft) BP Exploration (Alaska) Inc. Well: L-Pad L-218i Location: Nabors #9ES, Prudhoe Bay, Alaska 20.0 17.5 15.0 ,~. 0 12.5 0 a~ ... 10.0 w w C7 ~ 7.5 O D 5.0 2.5 0.0 Outrun Gyrodata AK0805G_558 DEFINITIVE I BO OM HOLE LOC TED MD: 1470.00 i - --- --- ---• ~~~~ ~, _ _ ~~ ~___ ___~ _. I ~~ ~~ _,,, _... • • 250 500 750 1000 1250 1500 MEASURED DEPTH (ft) BP Exploration (Alaska) Inc. Well: L-Pad L-218i Location: Nabors #9ES, Prudhoe Bav, Alaska Outrun Gyrodata AK0805G_558 DEFINITIVE 25 20 z ~ 15 ~-- Q z J U z 10 5 0 • • 250 500 750 1000 1250 1500 MEASURED DEPTH (ft) BP Exploration (Alaska) Inc. Well: L-Pad L-218i Location: Nabors #9ES, Prudhoe Bay, Alaska 350 325 300 275 250 225 200 175 - 150 - 125 - Outrun Gyrodata AK0805G_558 DEFINITIVE - - -- __-- ~ ~ v ~ - _~ B TTOM HOLE AT ~ • M :1470.00 _ ~~ ,.\ ,\ I - ~ - i - - ~ i i ~ -- i i r- - - i I ~ ~ ~ 250 500 750 1000 MEASURED DEPTH (ft) i i 1250 1500 ~J ~ ~ ~, ~~, ;~, ~ ~ ~~ +~ j ~~ a ~ ~~ ~ ;~ FRANK H. MURKOWSKI, GOVERNOR _ ~ ~~~r ALASSA OII, A1~TD G~5 C01~5FiRQA~1'IO1Q COMI~TIS51O1~T ~ ;r 333 W. 7"' AVENUE, SUITE 100 ANCHORAGE, ALASKA 99501-3539 PHONE (907) 279-1433 FAX (907) 276-7542 Robert Tirpack Senior Drilling Engineer BP Exploration (Alaska), Inc. PO Box 196612 Anchorage, AK 99519 Re: PBU L-218i BP Exploration (Alaska), Inc. Permit No: 205-119 Surface Location: 2517' FSL, 3904' FEL, Sec. 34, T12N, R11E, UM Bottomhole Location: 1715' FSL, 508' FEL, Sec. 28, T12N, R11E, UM Dear Mr. Tirpack: Enclosed is the approved application for permit to drill the above referenced service well. This permit to drill does not exempt you from obtaining additional permits or approvals required by law from other governmental agencies, and does not authorize conducting drilling operations until all other required permits and approvals have .been issued. In addition, the Commission reserves the right to withdraw the permit in the event it was erroneously issued. Operations must be conducted in accordance with AS 31.05 and Title 20, Chapter 25 of the Alaska Administrative Code unless the Commission specifically authorizes a variance. Failure to comply with an applicable provision of AS 31.05, Title 20, Chapter 25 of the Alaska Administrative Code, or a Commission order, or the terms and conditions of this permit may result in the revocation or suspension of the permit. Please provide at least twenty-four (24) hours notice for a representative of the Commission to wit ss any required test. Contact the Commission's petroleum field inspector at (90~ 659-360 pa r). K. C DATED this /!/day of August, 2005 cc: Department of Fish & Game, Habitat Section w/o encl. Department of Environmental Conservation w/o encl. 'I~EG~- ~ J ~ f L~ ®~ STATE OF ALASKA ALASKA Ol AND GAS CONSERVATION COM SSION PERMIT TO DRILL 20 aac 25_ons ~: A@J~a ~ ~ 2~t~ Qi~~~a ~,r 1a. Type of work ®Drill ^ Redrill ^ Re-Entry 1b. Current Well Class ^ Exploratory ^ Development Oil Q~~q~qQ `~pne ^ Stratigraphic Test ®Service ^ Development Gas Ll'S~e 2. Operator Name: BP Exploration (Alaska) Inc. 5. Bond: ®Blanket ^ Single Well Bond No. 2S - h~ 11 Well ame and Number: "a~3~ ~,~-PBU L-2181 a° 3. Address: P.O. Box 196612, Anchorage, Alaska 99519-6612 6. Proposed Depth: , MD 7283 TVD 4573 12. Field /Pool(s): Prudhoe Bay Field !Orion 4a. Location of Well (Governmental Section): Surface: 2517 FSL 3904' FEL SEC T12N R11E 34 UM ~ 7. Property Designation: ADL p282~~G~%G Schrader Bluff , , , . , , Top of Productive Horizon: 3956' FSL, 4171' FEL, SEC. 34, T12N, R11 E, UM 8. Land Use Permit: - ~ ~ :~. ~ ~ 13. Approximate Spud Date: August 18, 2005 Total Depth: 1715' FSL, 508' FEL, SEC. 28, T12N, R11 E, UM 9. Acres in Property: 2560 14. Distance to Nearest Properly: 6770' 4b. Location of Well (State Base Plane Coordinates): Surface: x-583011 ' y-5978236 'Zone-ASP4 10. KB Elevation (Height above GL):Plan 76.4 feet 15. Distance to Nearest Well Within Pool L-124 is 1326' away 16. Deviated Wells: Kickoff Depth: 300 feet Maximum Hole Angle: 64 de rees 17. Maximum Anticipated Pressures in psig (see 20 AAC 25.035) Downhole: 1672 Surface: 1300 1 asing rogram: Size Specifications Setting Depth To Bottom uanUty o ement c.f. or sacks Hole Casin Wei ht Grade Cou lin Len th MD TVD MD TVD includin sta a data 42" 20" 215.5# A-53 Welded 80' 29' 29' 109' 109' 60 sx Arctic Set A rox. 12-1 /4" 9-5/8" 40# L-80 BTC 3440' 29' 29' '3440' 2598' 22 sx Arcticset Lite, 378 sx Class 'G' 8-3/4" 7" 26# L-80 BTC-M 7283' 29' 29' 7283' 4573' sx Class 'G' 7f 6 i G 19. PRESENT WELL CONDITION SUMMARY (To be completed far Redrill AND Re-entry Operations) Total Depth MD (ft): Total Depth TVD (ft): Plugs (measured): Effective Depth MD (ft): Effective Depth TVD (ft): Junk (measured): Casing Length Size Cement Volume MD TVD rl n ctor t m i Pr ucti n r Perforation Depth MD (ft): Perforation Depth TVD (ft): 20. Attachments ®Filing Fee, $100 ^ BOP Sketch ®Drilling Program ^ Time vs Depth Plot ^ Shallow Hazard Analysis ® Property Plat ^ Diverter Sketch ^ Seabed Report ®Drilling Fluid Program ®20 AAC 25.050 Requirements 21. Verbal Approval: Commission Representative: Date: 22. I hereby certify that the foregoing is true and correct to the best of my knowledge. Contact John Rose, 564-5271 Printed Name Robert Tirpack Title Senior Drilling Engineer Prepared By Name/Number: Si nature ,/ Phone 564-4166 Date o~ f Terrie Hubble, 564-4628 Commission Use Only Permit To Drill Number: ;~~ -~~ API Number: c~ 50_ dom../ `Z-.~~ Z-~ Z '~ Permit Approv Date: See cover letter for other requirements Conditions of Approval: Sample quired ^ Yes ~No Mud Log Requir d Yes (~,jVo Hydr en ulfide Measures ^ Yes r~.'No Directional SSurvey Required ~ Yes (^ No Other: t FS~' G~t ~G4r7 ~~ S ~ > ~I ~ T~ (:t: h.~r+~t.~ ~~fC4Gi ~~ t ~ ~ ~4jta..l +`~t' ~ > APPROVED BY A roved B THE COMMISSION Date JJP~fp Form 10-401 Revised O6 0~ 04/ ~ ~~ ~ t~ ` ~ '~ ~-°~ ~ S(lbmit Iri Duplicate L' Wel I Name: L-21 81 Last Revision: 8103105 Well Plan Summary T e of Well roducer or in'ector : USH Injector Surface Location: 2517' FSL, 3903' FEL, Sec. 34, T12N, R11 E ~ Slot NB As Built X = 583,011.22 Y = 5,978,236.37 Shallow Target 3957' FSL, 4171' FEL, Sec. 34, T12N, R11 E Coordinates To SV1 : X = 582,725 Y = 5,979,673 Z = -2425' TVDss Target Start ASP 1338' FSL, 2741' FEL, Sec. 27, T12N, R11 E Coordinats To OBa : X = 581,420 Y = 5,982,350 Z = -4140' TVDss BHL ASP Coordinates (TD 1715' FSL, 508' FEL, Sec. 28, T12N, R11 E ~` based on TVDSS, not XY X = 581,069 Y = 5,982,693 Z = -4500' TVDss tar et AFE Number: ORD5M3591 Ri Nabors 9es GL: 47.9' KB: 28.5' Estimated Start Date: Au ust 18 , 2005 O eratin da s to com lete: 14.23 TD: 7,283' MD TVD: 4,573' Max Inc: 63.9° KBE: 76.4' Well Design: USH Grassroots Schrader Injector 4-'/z" X 3-'/z" TCII Com letion. The Schrader Bluff "O" sands will have a 3-'/z" TCII Completion. Current Well Information General Distance to Nearest Property: 6770' to PBU boundary Distance to Nearest Well in Pool: 1,326' to L-124 at top Na ~ API Number: 50-029-XXXXX Well Type: Development -Orion Schrader Injector Current Status: New well, 20" X 34" insulated conductor Conductor: 20" X 34", 215.5 Ib/ft, A53 ERW set at 109' RKB BHP: 1,672 psi Cc3 3715' TVDss (Top Ma - 8.7 ppg EMW).% BHT: 85°F @ 4,550' TVDss estimated '/a Mile Wellbore Near Wellbore Mechanical Integrity Summary: No wells with-in a ~/a mile radius, however, L-124 is just outside the ~/a mile radius at the top of the Na sands. That being the case, a driller's hard-line will be established in the directional program to insure that this injection well path does not enter the Ya mile radius of the L-124 well. There are no near Wellbore integrity issues. Anti-Collision Issues: The proximity of the W KUPST-01 well does not pass BP's major risk assessment (6091.31' center to center distance at 202.6' TMD). This well has been P&A'ed. L218i Well Plan Summary Page Formation Markers L-2181 (Based on sOR) C Est. Formation To s Uncertain Commercial Hydrocarbon Bearin Est. Pore Press. Est. Pore Press. Formation (TVDss) (feet) (Yes/No) (Psi) (ppg EMW) NOTE: All formation tops are required from 1000' above proposed KOP to TD for sidetracks r NOTE: All formation tops are required from surface to TD for all new wells Gl -265' +/-50' No 119 8.7 SV6 -900 +/-50' No 405 8.7 SV5 -1550 +/-50' No 698. 8.7 -$V4 -1680 +/-50' Poss. Gas Hydrates 756 8.7 Base'Permafrost -T685 +/-50' No 758 8:7 SV3 -2040 +/-50' Poss. Gas Hydrates 918 8.7 SV2' -21.90 +/-50' Poss. Gas Hydrates 986 8.7 Fault #1-" L Pad Fault" -2360:. +/-150' MD 1062 8.7 SV1 -2425 +/-50' Poses Hydrates or i=ree Gas 109T 8;7 UG4 -2695 +/-50' Thin coal 1213 8.7 UG4A -2725 +/-50' Heary Oil betty 2725 and 2840' SS 1226 8.7 `UG3 -3060 +/-50' No 1377 8.7 Fault'#2 -3470 +/- 150' MD 1562 8.7 UGl (Faulted To _ -3470 +/-50' Heary Oil betty 3560 - 3710' SS ` 1562 8.7 Ma -371.5 +/-25' Heavy Oil betty 3715 - 3745' SS 1672 $.7 Mbl -3755 +/-25' Heavy Oil betty .3755 -3810' SS .1690 8.7" Mb2 -3820 +/-25' Heavy Oil betty 3820-3870' SS 1719 8.7 <Mc -3895 +/-25' Either wet or Heavy Oil betty 3895-3920' SS 1753 8.7 Na -3945 +/-25' No 1775 8.7 Nb -3965. +/-25' No 1784 8.7 Nc -4005 +/-25' Yes 1802 $'.T` OA -4085 +/-25' Yes 1835 8.6 OBa -4140 +/-25' Yes 1855 8.0-8.6 OBb -4180 +/-25' Yes 1875 8.0-8.6 OBc -4230 +/-25' Yes 1895 8.6 OBd -4280 +/-25' Yes 1750 8.0-8.6 OBe -4340 +/-25' Yes 1950 8.6 OBf -4375 +/-25' Yes 1960 8.6 OBf_Base -4410 +/-25' No 1990 8.7 T.D. -4550 c(. 0 d•~ 9.3" L218i Well Plan Summary Page • Casing/Tubing Program Hole Size Csg / Tb O.D. WUFt Grade ~%' Conn ~ Burst si Collapse si Length Top MD /TVDrkb Bottom MD /TVDrkb 42" 20" 215.5# A-53 Welded 80' 29' ! 29' 109' / 109' 12-'/a" 9 5/8" 40# L-80 BTC 5,750 3,090 3,440' 29' / 29' 3,440' / 2,598' 8-3/a" 7" 26# L-80 BTC-M 7,240 5,410 7,283' 29' / 29' 7,283' / 4,573' Tubin 4'/z" 12.60# L-80 TCII 8,430 7,500 6,478' 29' / 29' 6,500' TMD Tubin 3'/z" 9.30# L-80 TCII 10,160 10,530 422' 6,500' / 4,125' 6,900' TMD Mud Pro ram: 12 ~/a" Surface Hole Mud Properties: Spud -Freshwater Mud Interval Densit Funnel Vis PV YP FL Chlorides PH Initial 8.5 - 9.2 250-300 20-45 50-70 NC-8.0 <500 8.5-9.0 Base Perm 9.0 - .5 225-250 20-40 30-45 8.0 <500 8.5-9.0 Interval TD 9. - 9.6 225-250 15-20 30-40 5.0-7.0 <500 8.5-9.0 8 ~/a" Production Hole Mud Properties: Freshwater Mud (LSND) Interval Densit Funnel Vis PV YP FL H Chlorides MBT Surface shoe to TD 8.8 - 9.3 38-50 12-18 26-35 4-6 9.0-9.5 <600 < 20 Survev and Loaginq Program: 12-'/a" Hole Section: Surface Gyro will be needed (run to 1200' or as conditions dictate) O en Hole: MWD / GR Cased hole: None 8-~/a" Hole Section: MWD / GR / Res / Azi-Den / Neu / PWD (All real-time with recorded porosity) - (Sperry) NMR recorded mode - sidewall cores Cased Hole: USIT PDC mode /dual packer MDT Bit Recommendations BHA Hole Size De the MD Bit T e Nozzles K-Revs Hours Surface 12-'/a" 0' -1800' Hu hes MXC-1 18/18/18/16 Surface 12-'/a" 1800 - 3440' Hu hes MXC-1 18/18/18/16 Production 8-3/a 3440' - 7283' H calo DSX147GNVW 6x14 Motors and Required Doaleas BHA Motor Size and Motor Re uired Flow Rate RPMs Re uired Do le s 1 9 5/e" Anadrill A962M3445 Mud Motor, 1.83° 600 - 700 gpm 40-60 1.5°/100' initial build with 12-Ya" strin stabilizer ro to +1200' 4.0°/100' final build 2 9 5/8" Anadrill A962M3445 Mud Motor, 1.50° 600 - 700 gpm 60-100 4.0°/100' Build with 12-~/a" strin stabilizer 64° Hold 3 6-3/a" Anadrill A675M4570XP Mud motor, with 500 - 600 gpm 60-100 64° Hold 1.50° ABH with 8.75" strin stabilizer 4.0°/100' Drop L218i Well Plan Summary Page ~J Surface and Anti-Collision Issues Surface Shut-in Wetls: Nearb Well L-124 Distance to L-2181 15.03' • L-124 will require surface shut-in and wellhouse removal in order to move over well L-2181. Risk Basing: One well had h o be risk based at 1/200 in order to pass close approach guidelines WKUPST-01 has been plug and abandoned. Well Name Ctr-Ctr Distance Reference MD Allowable Deviation Precautiona Comment WKUPST-01 6,091.31-ft 202.6-ft 6025.19-ft Use Travelin C tinder Close Approach Shut-in Wells: There are NO close approach wells requiring subsurface isolation for this profile. Close Approach Well List: Well Name Ctr-Ctr Distance Reference MD Allowable Deviation Precautiona Comment L-201 325.3' 293.88' 320.2' Use Travelin C tinder G ro L-202 218.7' 592.57' 209.09' Use Travelin C tinder G ro L-210 355.27' 243.29' 351.11' Use Travelin C tinder G ro L-211 91.47' 195.59' 87.73' Use Travelin C tinder G ro L-212 234.29' 497.37' 225.95' Use Travelin C tinder G ro L-214 395.83' 456.95' 387.5' Use Travelin C tinder G ro L-216 280.18' 244.2' 275.86' Use Travelin C tinder G ro Cement Calculations: Casin Size: 9 5/8-in 40-Ib/ft L-80 BTC -Single Stage Basis: Lead: 250% ex es over gauge hole in permafrost, 30% excess over gauge hole below permafrost Lead TOC: rf Tail: 1,000' o en hole with 30% excess, plus 80' shoe track Tail TOC: 2440' MD Total Cement Volume: Spacer 75 bbls of Viscosifie acer weighted to 10.0 ppg (Mud _,ush II) Lead 412.3 bbls, 2307t, 10.7 Ib/ al ASL G + adds - .4 cuft/sk Tail 78.6 bbls, 440cuft, 7 sks 15.8 Ib/ al Class G + ad s - .1 cuft/sk Temp BHST = 60° F. BHC 80° F estimated by Schlumberoer In the event that cement is not circulated to surface during the initial surface casing cement job, notify the AOGCC of the upcoming remedial cement work for possible witness of cement to surface. Casin Size: 7" 26 Ib/ft L-80 BTC-M -Sin le Stage Basis: Lead: None Lead TOC: N/A Tail: 1,953' f pen hole with 30% excess, plus 80' shoe track Tail TOC: ' MD 500' MD above tanned Ma to at 5,830' MD Total Cement Volume: Wash 15 bbls CW 100 S acer 30 bbls of Viscosifie acer Mud ush II Desi n W ted to 10.0 Tail a~.3 bbls, 32~ cuft 15.8 Ib/ al G + Gasblok - ,. cuft/sk Temp BHST ~ 100° F, B T 80° F estimated by Schlumberger Centralizer Recommendations: 9 5/8" Casing Centralizer Placement a) Run (25) 9 5/s" Bow-spring centralizers attached over the collar of each joint of casing from the casing shoe up to 2,440' MD (1,000' MD above the shoe). b) Run 2Bow-spring centralizers on either side of the TAM Port Collar (if run). c) This centralizer program is subject to change due to actual hole conditions. 7" String Centralizer Placement L218i Well Plan Summary Page 4 a) Place 2 rigid straight blade centralizers back to back at the very bottom of the shoe joint. Do not run any centralizers on the next two full joints. b) With the exception stated above, run one centralizer per joint, floating across the entire joint up to 5,330' MD (500' MD above Ma sand). Zonal isolation with cement is required across the Ma sands. The centralizer program is subject to change pending modeling and hole conditions. Well Control Well control equipment consisting of 5,000 psi working pressure pipe rams (2), blind/shear rams, and annular preventer will be installed and are capable of handling the maximum potential surface pressures. Based upon calculations below, BOP equipment will be tested to 4,000 psi. Due to test pressures not exceeding S,000psi it will not be necessary to have two sets of pipe rams installed at all times. BOP regular test frequency for L-2181 will be 14 days. ~' Diverter, BOPE and drilling fluid system schematics on file with the AOGCC. Production Section • Maximum anticipated BHP: • Maximum surface pressure: • Planned BOP test pressure: • 7" Casing Test: • Integrity Test - 8-3/4" hole: • Kick Tolerance: • Planned completion fluid: Disposal 1672 psi -Top of Ma Sand (8.7 ppg @ 3715' TVDss) 1,300 psi -Based on a full column of gas C«3 0.10 psi/ft 4,000 psi/250 psi Rams .~ 2,500 psi/250 psi Annular 4,000 psi 11 4 g minimum EMW LOT 20' from 9-5/8" shoe 5 Is with an 11.4 ppg EMW LOT timated 9.0 ppg Brine (w/6.8 ppg Diesel freeze protect) • No annular injection in this well. • Cuttings Handling: Cuttings generated from drilling operations will be hauled to grind and inject at DS- 04. Any metal cuttings will be sent to the North Slope Borough. • Fluid Handling: Haul all drilling and completion fluids and other Class II wastes to DS-04 for injection. Haul all Class I waste to Pad 3 for disposal. L218i Well Plan Summary Page 5 ~ ~ Drilling Hazards and Contingencies POST THIS NOTICE IN THE DOGHOUSE Well Control - A. The Schrader in the Polygon 1 fault block is expected to be normal to sub-normally pressured at 8.0-8.7 ppg EMW. 11. Hydrates and Shallow gas A. Gas Hydrates are present at L-pad and have been encountered in off-set wells and throughout the SV4, SV3, SV2, and SV1. Setting casing into the SV1 should keep hydrate exposure from extending past the surface hole, however, some gas hydrates have been noted in the lower SV1 below the base of the surface casing. Recommended practices and precautions for drilling hydrates should be followed in the surface hole. 111. Lost Circulation/Breathing A. Lost circulation is not expected at the L-Pad. The faults associate with this well have been intersected by several other wells on L-pad at this depth with out problem. • Note: Massive losses were encountered on L pad at L-118 due to high penetration rates (1100-1300 fph) and inadequate hole cleaning strategy. B. We do not expect breathing on this well. IV. Kick Tolerance/Integrity Testing A. The 9 5/e" casing will be cemented to surface. B. The 7" casing will be cemented with 15.8 Ib/gal tail cement to 500' MD above the Ma sand -5,330' MD. C. The Kick Tolerance for the surface casing is 55 bbls with 9.0 ppg mud, 11.4 ppg LOT, and an 8.7 ppg pore pressure. D. Integrity Testing -11.4 ppg EMW V. Stuck Pipe A. We do not expect stuck pipe if the hole is kept adequately clean. VI. Hydrogen Sulfide L-Pad is nQL designated as an H2S site, however Standard Operating Procedures for H2S precautions should be followed at all times. No measurable H2S is being produced from the formation at this time: However 10 ppm is measured regularly at both L and V pads as a result of the use of Ivishak gas lift gas. All V and L pad gas lift wells will likely have H2S in this concentration. Note that all injection has been with produced water not seawater. H2S levels are expected to remain low until the waterflood matures. Recent H2S data from the pad is as follows: Adjacent producers at Surface: Adjacent producers at TD: Max on L-Pad L-101 5 ppm L-201 5 ppm L-107 20 ppm L-02 10 ppm VII. Faults A. Two faults are expected to be crossed at V-221 i. No losses are expected to be associated with either fault. Details are listed below for reference: Fault 1 ("L" Pad Fault -SV2): 3067' MD 2433' ND 2360' TVDss Throw: 110' W Fault 2 (UG3): 5342' MD 3543' TVD 3470' TVDss Throw: 105' SW VIII. Anti-Collision Issues The proximity of the WKUPST-01 well does not pass BP's major risk assessment (6091.31' center to center distance at 202.6' TMD). Photo-gyro surveys were used to drill this "old" well which is currently in a P&A' status. CONSULT THE L-PAD DATA SHEET AND THE WELL PLAN FOR ADDITIONAL INFORMATION L218i Well Plan Summary Page 6 L-2181 Drill and Complete Procedure Summary Pre-Rig Work: 1. The L-218i conductor has been set (Slot L-NB). See As-Built. 2. Weld an FMC landing ring for the FMC Gen 5 Wellhead on the conductor. 3. If necessary, level the pad and prepare location for rig move. 4. Prepare neighboring wells for the rig move and simops with the production group. Shut in L-124 while moving on/off the L-2181 location and remove other well house(s) as necessary. Rig Operations: 1. MIRU Nabors 9ES. 2. Nipple up diverter spool and function test diverter.~PU 4" DP as required and stand back in derrick. 3. MU 12-'/a" drilling assembly with Dir/GR and directionally drill surface hole to approximately 3,440' MD. The actual surface hole TD will be +/-100' TVD below the top of the SV1 sands. 4. Run and cement the 9 5/8", 40.0-Ib/ft. surface casing back to surface. A TAM Port Collar should be on location and ready for use if it is deemed necessary to insure cement to surface on the cement job. r 5. ND diverter spool and NU casing /tubing head. NU BOPE and test to 4,000 psi. /` 6. MU 8-3/a" drilling assembly with Dir/GR/Res/Azi-Den/Neu(recorded)/PWD/NMR (Sperry) and RIH to float collar. 7. Test the 9 5/$" casing to 4,000 psi for 30 minutes. ~'` 8. Circulate and condition cement contaminated mud. Displace over to new 8.8 ppg mud 9. Drill new formation to 20' below 9 5/s°' shoe and perform LOT (If an 11.4 ppg EMW is not obtained contact ODE). 10. Drill ahead per the well plan to TD at 7283' MD, (approx. 250' MD below Top OBe marker). ~ 11. Circulate and condition hole (short trip as required), POOH to run sidewall cores (drillpipe convey or wireline). 12. Obtain sidewall, cores and wiper trip/condition hole as required prior to running the 7" casing. 13. Run and cement the 7" production casing as required to cover all significant hydrocarbon intervals. Displace the casing with clean seawater/fresh water during cementing operations. Pressure test casing to 4,000 psi for ~ 30 minutes at plug bump. Freeze protect the 7" x 9 5/e" annulus with dead crude. 14. PU DPC guns and RIH w/ 200' of 4.5" Power Jet 5 spf perf guns (total assembly length to be --1100') with Schlumberger LWD GR (tag PBTD). 15. Circulate well over to 9.0 brine. 16. Space out the perforating guns utilizing GR and RA tags in 7" casing (confirm cement compressive strength is at least 2,000 psi.) and perforate Mb1, Mb2, Mc, OA, OBa, OBb, and OBd sands. 17. RU Schlumberger E-line. RIH with gage ring and junk basket to recover any perf debris. Repeat until clean. 18. Run USIT/CBUGR log. USIT/CBL will be primary depth control for future well work. 19. Run MDT sampling tool and obtain fluid samples in the various sands per the sampling plan. 20. Run the 4-'/z" X 3-'/2", L-80 TCII completion with straddle packer assembly and injection mandrels. 21. Run in the lockdown screws and set the packers. Test the production casing/tubing annulus and tubing to 4,000 psi each. Shear the DCK shear valve. 22. Install FMC TWC. Nipple down the BOPE. Nipple up and test the tree to 5,000 psi. 23. Freeze protect the well to 2,500' TVD. Install BPV in tubing hanger. Install a VR plug in the 7"x 4-~'/;..annulus valve and secure the well. Assure that IA/OA are both protected with two barriers. 24. Rig down and move off. Post-Rig Work: 1. R/U Slickline and pull ball and rod / RHC from the tailpipe. 2. Replace the DCK shear valve with a dummy GLV. 3. Pull dummy valves in injection mandrels and replace with injection valves. 4. Pull VR plug. L218i Well Plan Summary Page 7 TREE: FII~C'4-1/16" 5M L-218i Proposed Completion ~ WELLHEAD: FMC Gen 5 System 11 ", 5M esg.head w/ 7" mandrel hanger 8~ packoff Ce1larElevation=53.1' 11" z 11", 5M, tbg spool w/ Nabors 9ES RKB = 81.6' 11" z 4-1/2" tubing hanger Max Deviation 64 11" X 4-1116" Adaptor Flange De 108' 20" X 34" 215.5 Ib/tt, A53 ERW Insulated 3, 226 ` 9418", 40 #/ft, LSO, BTC 3,440` 7" Short Joint & RA 7" Short Joint & RA Tag in 3-1/2" Date Rev 13-Jul-05 JGR 4-1/2" `X' Landing Nipple with 3.813" seal bore. 4-1/2", 12.6 IbMt, L-80, TCII Drip / ID : 3.833"/3.958" 3-1/2", 9.3 Ib/ft, LSO, TCII Drill / ID : 2.867"/2.992" Camco gas lift mandrel 4-1/2" x 1" KBG2 w/ DCK Shear Valve pinned to 2,600 -4-112" `X' Landing Nipple with 3.813" seal bore. 7" x 4-1/2" Baker `PRM' Production Packer 5,710` 5, 815' 5,836` 4-1/2" X 3-1 /2" TCII XO -6,468`. -Camco 3-1/2" x 1-1/2" MMG-W GLM - 6,480`. 3-1/2" `X' Landing Nipple with 2.813" seal bore - 6509`. 7" x 3-1 /2" Baker `PRM' Production Packer 3-1/2" x 1-1/2" MMG-W GLM - 6,556` & 6,615'. Mb1 Mb2 Mc Perfs f/5915` 6220` 6, 529 ` OA 6, 565 ` 3-1 /2" `X' Landing Nipple with 2.813" seal bore - 6,644`. 7" x 3-1/2" Baker `PRM' Production Packer Camco 3-1 /2" x 1-1/2" MMG-W GLM -6,691` 8~ 6,782'. 6,665` OBa 6,772` ; 3-1 /2" `X' Landing Nipple with 2.813" seal bore - 6,811 `. OBb 6,750` 7" x 3-1/2" Baker `PRM' Production Packer - 6,831'. 0750` 6 3-1 /2" `X' Landing Nipple with ` ' 2.813" seal , OBd 8 6,878 bore - 6,858 . 6,935` 3-1/2"WireLine Entry Guide L•218i Eal Part Oap[~a r lnbrvala t D F ~ - 6,899` Zon• rep Top YD Baa• M spas sazs aa zo rez aoro soao zo ` 7" PBTD 810 DA 8200 Bz20 1585 8800 20 35 7,183 , 7,283` 7", 26 #/tt, L80, BTC-Mod OB• oee 8815 8]05 srsa sres ss~s 70 +s reD 8 3/4", TD (Injecto r Mainbore) oep 098 6P55 eYlS Sp Comments Proposed Completion GPu~~f~r~.~d~~Pa,~~ WELL: V-2181 API NO: L-218 P6b Pro osal ~ ) p Repoli Date: July 15, 2005 Survey 1 DLS Computation Method: Minimum Curvature / Li Client: BP Exploration Alaska Vertical Section Azimuth: 337.090° Field: Structure 1 Slot: Prudhoe Bay Unit - WOA L-PAD / L-218 N-B ® Vertical Section Origin: ND Reference Datum: N 0.000 ft, E 0.000 ft Rotary Table Well: Plan L-218 (N-B) ~ ~ ND Reference Elevation: 72.60 ft relative to MSL Borehole: Plan L-218 Sea Bed I Ground Level Elevation: 44.10 ft relative to MSL UWVAPI#: 50029 Magnetic Declination: 24.496° Survey Name 1 Date: L-218 (P6b) I July 15, 2005 Total Field Strength: 57575.597 nT Tort 1 AHD I DDI 1 ERD ratio: 128.176° / 5021.22 ft / 6.011 / 1.098 Magnetic Dip: 80.845° Grid Coordinate System: NAD27 Alaska State Planes, Zone 04, US Feet Declination Date: September 01, 2005 Location LatlLong: N 70.35051657, W 149.32603214 Magnetic Declination Model: BGGM 2005 Location Grid NIE YIX: N 5978236.610 ftUS, E 583011.330 ftUS North Reference: True North Grid Convergence Angle: +0.63472427° Total Corr Mag North -> True North: +24.496° • Comments Measured Inclination Azimuth Sub-Sea ND TVD Vertical Along Hole NS EW DLS Tool Face Build Rate Walk Rate Northing Easting Latitude Longitude Depth Section Departure k de de H N ft N N ft de 100 N de de 1100 ft de 1100 N NUS NUS Klt U.UU U.UU l1b.UV -/Z.IiU U.UV 0.UU U.UU U.UU U.UU U.UU IZb.UUM U.VU U.UU by/tfZ3ti.til b2f3Ul l.3J N /U.3bUblbb/ W l4`J.3ZtiU3Z14 KOP Bld 1.5/100 300.00 0.00 125.00 227.40 300.00 0.00 0.00 0.00 0.00 0.00 125.OOM 0.00 0.00 5978236.61 583011.33 N 70.35051657 W 149.32603214 G1 337.60 0.56 125.00 265.00 337.60 -0.16 0.19 -0.11 0.15 1.50 125.OOM 1.50 0.00 5978236.51 583011.48 N 70.35051628 W 149.32603091 400.00 1.50 125.00 327.39 399.99 -1.11 1.31 -0.75 1.07 1.50 125.OOM 1.50 0.00 5978235.87 583012.41 N 70.35051452 W 149.32602343 Crv 1.5/100 450.00 2.25 125.00 377.36 449.96 -2.49 2.94 -1.69 2.41 1.50 143.OOM 1.50 0.00 5978234.95 583013.76 N 70.35051196 W 149.32601256 500.00 1.86 143.00 427.33 499.93 -4.11 4.72 -2.90 3.70 1.50 -169.98M -0.78 36.01 5978233.75 583015.07 N 70.35050865 W 149.32600207 600.00 1.90 190.02 527.28 599.88 -7.08 7.82 -5.83 4.39 1.50 -141.75M 0.04 47.02 5978230.83 583015.79 N 70.35050065 W 149.32599649 700.00 2.88 218.25 627.20 699.80 -9.68 11.91 -9.43 2.55 1.50 -140.OOM 0.97 28.22 5978227.21 583013.98 N 70.35049081 W 149.32601144 Crv 3.5!100 710.21 3.00 220.00 637.39 709.99 -9.93 12.43 -9.84 2.22 1.50 -54.91 M 1.21 17.18 5978226.80 583013.66 N 70.35048970 W 149.32601412 800.00 3.67 275.09 727.05 799.65 -9.65 17.27 -11.38 -2.16 3.50 -59.78M 0.75 61.35 5978225.20 583009.30 N 70.35048548 W 149.32604966 900.00 6.46 300.22 826.66 899.26 -3.64 25.98 -8.27 -10.21 3.50 26.48G 2.79 25.13 5978228.23 583001.21 N 70.35049399 W 149.32611506 SV6 974.00 8.85 307.74 900.00 972.60 4.66 35.82 -2.68 -18.32 3.50 19.02G 3.23 10.16 5978233.72 582993.05 N 70.35050924 W 149.32618084 1000.00 9.72 309.50 925.66 998.26 8.35 40.02 -0.06 -21.59 3.50 17.29G 3.33 6.76 5978236.31 582989.74 N 70.35051640 W 149.32620743 Crv 4/100 1008.38 10.00 310.00 933.91 1006.51 9.62 41.45 0.86 -22.70 3.50 38.OOG 3.35 5.99 5978237.21 582988.63 N 70.35051891 W 149.32621639 1100.00 13.08 320.01 1023.68 1096.28 26.62 59.74 13.92 -35.46 4.00 28.18G 3.36 10.93 5978250.13 582975.72 N 70.35055460 W 149.32631999 I 1200.00 16.71 326.59 1120.31 1192.91 51.59 85.42 34.60 -50.65 4.00 21.82G 3.63 6.58 5978270.64 582960.30 N 70.35061110 W 149.32644335 1300.00 20.48 330.84 1215.08 1287.68 83.13 117.29 61.89 -67.10 4.00 17.79G 3.77 4.25 5978297.75 582943.55 N 70.35068565 W 149.32657687 1400.00 24.32 333.81 1307.52 1380.12 121.09 155.38 95.65 -84.72 4.00 15.05G 3.84 2.97 5978331.31 582925.56 N 70.35077789 W 149.32671990 1500.00 28.20 336.00 1397.18 1469.78 165.28 199.60 135.73 -103.42 4.00 13.08G 3.88 2.20 5978371.17 582906.42 N 70.35088737 W 149.32687173 1600.00 32.11 337.71 1483.64 1556.24 215.50 249.82 181.92 -123.12 4.00 11.60G 3.91 1.70 5978417.14 582886.22 N 70.35101356 W 149.32703164 SV5 1679.75 35.24 338.82 1550.00 1622.60 259.69 294.03 222.99 -139.47 4.00 10.68G 3.92 1.39 5978458.02 582869.41 N 70.35112576 W 149.32716442 1700.00 36.03 339.07 1566.46 1639.06 271.49 305.83 234.00 -143.71 4.00 10.47G 3.93 1.26 5978468.98 582865.05 N 70.35115584 W 149.32719884 End Crv 1795.77 39.80 340.16 1642.00 1714.60 330.27 364.67 289.17 -164.18 4.00 O.OOG 3.94 1.13 5978523.91 582843.97 N 70.35130654 W 149.32736505 SV4 1845.23 39.80 340.16 1680.00 1752.60 361.89 396.33 318.95 -174.93 0.00 O.OOG 0.00 0.00 5978553.57 582832.89 N 70.35138791 W 149.32745230 Base Perm 1851.74 39.80 340.16 1685.00 1757.60 366.05 400.50 322.87 -176.35 0.00 O.OOG 0.00 0.00 5978557.48 582831.44 N 70.35139862 W 149.32746378 Crv 4/100 1895.77 39.80 340.16 1718.82 1791.42 394.19 428.68 349.38 -185.91 0.00 39.11G 0.00 0.00 5978583.88 582821.58 N 70.35147105 W 149.32754144 1900.00 39.94 340.33 1722.07 1794.67 396.90 431.40 351.93 -186.83 4.00 38.98G 3.11 3.93 5978586.42 582820.63 N 70.35147802 W 149.32754888 2000.00 43.11 344.01 1796.94 1869.54 462.89 497.66 415.03 -207.06 4.00 36.23G 3.17 3.68 5978649.28 582799.71 N 70.35165038 W 149.32771311 2100.00 46.38 347.27 1867.97 1940.57 532.47 568.04 483.21 -224.45 4.00 33.91G 3.28 3.26 5978717.26 582781.56 N 70.35183665 W 149.32785434 WeIlDesign Ver SP 1.0 Bld( doc40x_56) L-218 N-B\Plan L-218 (N-B)\Plan L-218\L-218 (P6b) Generated 7/15/2005 9:43 AM Page 1 of 3 Comments Measured Inclination Azimuth Subsea ND ND Vertical Along Hole NS EW DLS Tool Face Build Rate Walk Rate Northing Fasting Latitude Longitude Depth Seetion Departure ft de de ft ft ft ft ft ft de t00ft d de 1100ft de It00ft ftUS ftUS LLVV.VV 4y./4 3VV.LV 17J4.OV GVV /.4V OVO.LO 04L.4V JOO. I'i -L30.y3 'i.VV JI.yOV J.JO G.JG JO10/yV.VL VOGIOO.GO IV IV.JJGVJJDV YV 14y.JGI`1r IJV 2300.00 53.16 352.84 1997.12 2069.72 680.99 720.59 633.48 -250.42 4.00 30.30G 3.42 2.64 5978867.22 582753.93 N 70.35224717 W 149.32806520 SV3 2373.74 55.72 354.64 2040.00 2112.60 738.46 780.58 693.11 -256.94 4.00 29.26G 3.47 2.44 5978926.76 582746.75 N70.35241007 W149.32811820 2400.00 56.64 355.25 2054.61 2127.21 759.22 802.40 714.84 -258.86 4.00 28.91G 3.50 2.34 5978948.47 582744.59 N 70.35246943 W 149.32813380 2500.00 60.16 357.48 2107.00 2179.60 839.59 887.55 799.82 -264.23 4.00 27.75G 3.52 2.23 5979033.38 582738.29 N 70.35270160 W 149.32817735 2600.00 63.72 359.56 2154.04 2226.64 921.70 975.79 888.02 -266.48 4.00 26.77G 3.56 2.08 5979121.54 582735.06 N 70.35294255 W 149.32819566 End Crv 2603.78 63.85 359.63 2155.71 2228.31 924.84 979.18 891.41 -266.50 4.00 O.OOG 3.57 2.01 5979124.93 582735.00 N 70.35295182 W 149.32819585 SV2 2681.60 63.85 359.63 2190.00 2262.60 989.36 1049.04 961.27 -266.95 0.00 O.OOG 0.00 0.00 5979194.77 582733.78 N 70.35314266 W 149.32819949 Fault 1 3067.40 63.85 359.63 2360.00 2432.60 1309.22 1395.36 1307.58 -269.16 0.00 O.OOG 0.00 0.00 5979541.01 582727.73 N 70.35408876 W 149.32821753 Target/Crv 4/100 3214.91 63.85 359.63 2425.00 2497.60 1431.52 1527.78 1440.00 -270.00 0.00 -95.OOG 0.00 0.00 5979673.40 582725.42 N 70.35445051 W 149.32822442 SV1 3214.93 63.85 359.63 2425.01 2497.61 1431.53 1527.80 1440.02 -270.00 4.00 -95.OOG -0.35 -4.44 5979673.42 582725.42 N70.35445056 W149.32822442 3300.00 63.61 355.85 2462.67 2535.27 1502.89 1604.07 1516.22 -273.00 4.00 -93.32G -0.29 -4.45 5979749.57 582721.57 N 70.35465874 W 149.32824883 3400.00 63.45 351.38 2507.27 2579.87 1588.68 1693.58 1605.15 -282.95 4.00 -91.33G -0.16 -4.47 5979838.38 582710.64 N 70.35490168 W 149.32832962 End Crv 3439.65 63.42 349.61 2525.00 2597.60 1623.17 1729.04 1640.12 -288.80 4.00 O.OOG -0.07 -4.47 5979873.28 582704.40 N 70.35499723 W 149.32837716 9-5/8" Csg Pt 3439.67 63.42 349.61 2525.01 2597.61 1623.19 1729.06 1640.14 -288.81 0.00 O.OOG 0.00 0.00 5979873.30 582704.40 N 70.35499728 W 149.32837719 Crv 4/100/100 3459.65 63.42 349.61 2533.95 2606.55 1640.63 1746.93 1657.72 -292.03 0.00 -107.73G 0.00 0.00 5979890.83 582700.98 N 70.35504529 W 149.32840336 3500.00 62.94 347.88 2552.16 2624.76 1675.90 1782.94 1693.03 -299.05 4.00 -106.96G -1.19 -4.28 5979926.07 582693.57 N 70.35514177 W 149.32846041 3600.00 61.84 343.54 2598.52 2671.12 1763.47 1871.54 1778.88 -320.90 4.00 -104.94G -1.10 -4.34 5980011.66 582670.78 N 70.35537628 W 149.32863779 3700.00 60.88 339.12 2646.47 2719.07 1850.96 1959.29 1862.00 -348.96 4.00 -102.82G -0.96 -4.42 5980094.45 582641.80 N 70.35560335 W 149.32886573 UG4 3798.44 60.08 334.69 2695.00 2767.60 1936.59 2044.94 1940.77 -382.54 4.00 -100.64G -0.81 -4.50 5980172.84 582607.35 N 70.35581855 W 149.32913842 3800.00 60.07 334.62 2695.78 2768.38 1937.94 2046.29 1941.99 -383.12 4.00 -100.60G -0.74 -4.54 5980174.05 582606.76 N 70.35582188 W 149.32914311 End Crv 3829.80 59.85 333.26 2710.69 2783.29 1963.69 2072.08 1965.16 -394.45 4.00 O.OOG -0.71 -4.55 5980197.09 582595.17 N 70.35588517 W 149.32923512 UG4A 3858.28 59.85 333.26 2725.00 2797.60 1988.27 2096.72 1987.16 -405.53 0.00 O.OOG 0.00 0.00 5980218.97 582583.85 N 70.35594528 W 149.32932513 UG3 4525.33 59.85 333.26 3060.00 3132.60 2563.81 2673.54 2502.31 -665.05 0.00 O.OOG 0.00 0.00 5980731.16 582318.67 N 70.35735257 W 149.33143279 Fault 2 5341.72 59.85 333.26 3470.00 3542.60 3268.20 3379.50 3132.79 -982.66 0.00 O.OOG 0.00 0.00 5981358.03 581994.12 N 70.35907489 W 149.33401270 UG1 5341.74 59.85 333.26 3470.01 3542.61 3268.22 3379.52 3132.81 -982.67 0.00 O.OOG 0.00 0.00 5981358.04 581994.12 N70.35907493 W149.33401277 Ma 5829.56 59.85 333.26 3715.00 3787.60 3689.12 3801.36 3509.54 -1172.45 0.00 O.OOG 0.00 0.00 5981732.62 581800.19 N 70.36010406 W 149.33555457 Mb1 5909.20 59.85 333.26 3755.00 3827.60 3757.84 3870.24 3571.05 -1203.44 0.00 O.OOG 0.00 0.00 5981793.78 581768.52 N 70.36027209 W 149.33580631 M82 6038.63 59.85 333.26 3820.00 3892.60 3869.51 3982.16 3671,01 -1253.79 0.00 O.OOG 0.00 0,00 5981893.16 581717.07 N70.36054513 W149.33621541 Mc 6187.97 59.85 333.26 3895.00 3967.60 3998.36 4111.30 3786.34 -1311.89 0.00 O.OOG 0.00 0.00 5982007.83 581657.70 N 70.36086018 W 149.33668746 Crv 4/100 6278.89 59.85 333.26 3940.66 4013.26 4076.81 4189.92 3856.56 -1347.27 0.00 -94.63G 0.00 0.00 5982077.65 581621.56 N 70.36105200 W 149.33697488 Na 6287.52 59.83 332.86 3945.00 4017.60 4084.26 4197.39 3863.21 -1350.65 4.00 -94.43G -0.32 -4.61 5982084.26 581618.10 N 70.36107017 W 149.33700235 6300.00 59.79 332.29 3951.27 4023.87 4095.01 4208.17 3872.78 -1355.61 4.00 -94.14G -0.30 -4.61 5982093.77 581613.03 N 70.36109632 W 149.33704270 Nb 6327.25 59.72 331.03 3965.00 4037.60 4118.44 4231.71 3893.50 -1366.79 4.00 -93.50G -0.27 -4.62 5982114.36 581601.63 N 70.36115291 W 149.33713348 6400.00 59.58 327.66 4001.77 4074.37 4180.63 4294.48 3947.50 -1398:79 4.00 -91.80G -0.19 -4.63 5982168.00 581569.04 N 70.36130041 W 149.33739348 Nc 6406.38 59.57 327.37 4005.00 4077.60 4186.06 4299.98 3952.14 -1401.74 4.00 -91.65G -0.12 -4.64 5982172.60 581566.03 N 70.36131308 W 149.33741749 6500.00 59.54 323.02 4052.45 4125.05 4265.01 4380.69 4018.38 -1447.80 4.00 -89.45G -0.04 -4.64 5982238.33 581519.25 N 70.36149404 W 149.33779165 OA 6564.24 59.60 320.04 4085.00 4157.60 4318.36 4436.07 4061.74 -1482:25 4.00 -87.94G 0.09 -4.64 5982281.30 581484.32 N 70.36161248 W 149.33807156 6600.00 59.66 318.39 4103.08 4175.68 4347.72 4466.92 4085.10 -1502.40 4.00 -87.10G 0.17 -4.63 5982304.43 581463.92 N 70.36167628 W 149.33823527 End Crv/Target 6673.28 59.85 315.00 4140.00 4212.60 4407.04 4530.22 4131.16 -1545.81 4.00 180.OOG 0.26 -4.62 5982350.00 581420.00 N 70.36180207 W 149.33858796 OBa 6673.30 59.85 315.00 4140.01 4212.61 4407.06 4530.24 4131.17 -1545.82 2.00 180.OOG -2.00 0.00 5982350.01 581419.99 N 70.36180210 W 149.33858806 6700.00 59.32 315.00 4153.53 4226.13 4428.39 4553.27 4147.45 -1562.10 2.00 180.OOG -2.00 0.00 5982366.11 581403.53 N 70.36184658 W 149.33872034 OBb 6751.11 58.29 315.00 4180.00 4252.60 4468.90 4596.98 4178.36 -1593.02 2.00 180.OOG -2.00 0.00 5982396.68 581372.28 N 70.36193101 W 149.33897148 6800.00 57.32 315.00 4206.05 4278.65 4507.24 4638.36 4207.62 -1622.27 2.00 180.OOG -2.00 0.00 5982425.60 581342.70 N 70.36201092 W 149.33920916 OBc 6843.83 56.44 315.00 4230.00 4302.60 4541.25 4675.06 4233.57 -1648.23 2.00 180.OOG -2.00 0.00 5982451.27 581316.46 N 70.36208181 W 149.33942004 6900.00 55.32 315.00 4261.51 4334.11 4584.34 4721.56 4266.45 -1681.11 2.00 180.OOG -2.00 0.00 5982483.78 581283.22 N 70.36217161 W 149.33968717 We1lDesign Ver SP 1.0 Bld( doc40x_56) L-218 N-B\Plan L-218 (N-B)\Plan L-218\L-218 (P6b) Generated 7l15I2005 9:43 AM Page 2 of 3 Comments Measured Inclination Azimuth Subsea ND ND Vertical Along Hole NS EW DLS Tool Face Build Rate Walk Rate Northing Easting Latitude Longitude Depth Section Departure ft de de ft ft ft ft ft ft de 1100 ft de d 1100 ft de 1100 ft ftUS ftUS Utitl 681Z.ZJ 54.6/ J10.UU 4LUU.UU 43bZ.0U 46Utl.8U 4/4 /.yb 4Ytlb.iZ -7 b8y./$ Y.UU 7ifU. UU(i -Z.UU U.UU b'JtlZOUZ.Z4 DG7Z64.Jb N /U.36ZZZZbU W 74'J.J38tfJtft74 7000.00 53.32 315.00 4319.84 4392.44 4659.59 4802.78 4323.89 -1738:54 2.00 180.OOG -2.00 0.00 5982540.57 581225.17 N 70.36232847 W 149 .34015377 OBe 7033.49 52.65 315.00 4340.00 4412.60 4684.37 4829.52 4342.79 -1757.45 2.00 180.OOG -2.00 0.00 5982559.26 581206.05 N 70.36238011 W 149. 34030737 OBf 7090.43 51.51 315.00 4375.00 4447.60 4725.99 4874.44 4374.55 -1789.21 2.00 180.OOG -2.00 0.00 5982590.67 581173.94 N 70.36246687 W 149. 34056544 7100.00 51.32 315.00 4380.97 4453.57 4732.92 4881.92 4379.84 -1794.50 2.00 180.OOG -2.00 0.00 5982595.89 581168.60 N 70.36248131 W 149 .34060840 OBf Base 7145.99 50.40 315.00 4410.00 4482.60 4765.97 4917.59 4405.06 -1819.72 2.00 180.OOG -2.00 0.00 5982620.83 581143.10 N 70.36255019 W 149. 34081332 7200.00 49.32 315.00 4444.82 4517.42 4804.22 4958.87 4434.26 -1848.91 2.00 180.OOG -2.00 0.00 5982649.70 581113.59 N 70.36262993 W 149 .34105050 TD/7" Csg Pt 7283.28 47.65 315.00 4500.02 4572.62 4862.00 5021.22 4478.35 -1893.00 2.00 O.OOG -2.00 0.00 5982693.29 581069.02 N 70.36275035 W 149 .34140873 • • WeIlDesign Ver SP 1.0 Bld( doc40x_56) L-218 N-B\Plan L-218 (N-B)\Plan L-218\L-218 (P6b) Generated 7/15/2005 9:43 AM Page 3 of 3 Schlumber er g Anticollision Report Company: BP Amoco Date: 7!14/2005 Time: 16:10:23 Page: 1 Field: Prudhoe Bay Reference Site: PB L Pad Co-ordinate(NE) Reference: Well: Pla n L-21$ (N-B), True North ~ Reference Well: Reference Wellpath: Plan L-218 (N-B) Plan L-218 Vertical (TVD) Reference: L-218 Plan N-B 72.6 Db: Sybase --- NO GLOBAL SCAN: Using user defined selection & scan criteria Reference: - Principal Plan & PLANNED PROGRAM Interpolation Method : MD + Stations Interval: 50.00 ft Error Model: ISCWSA Ellipse Depth Range: 28.50 to 7283.28 ft Scan Method: Trav Cylinder North Maximum Radius:10000.00 ft Error Surface: Ellipse + Casing Survey Program for Definitive Wellpath Date: 3/16/2005 Validated: No Version: 2 Planned From To Survey Toolcode Tool Name ft ft 25.50 1200.00 Planned: Plan #6 V1 GYD-GC-SS Gyrodata gyro s ingle shots 1200.00 2600.00 Planned: Pl an #6 V1 MWD MWD - Standard 1200.00 7283.28 Planned: Pl an #6 V1 MWD+IFR+MS MWD +IFR + M ulti Station Casing Points hlU TVD Diameter Hole Size Aame ft ft in in 3439.65 2597.60 9.625 12.250 9 5/8" 7283.28 4572.62 7.000 8.750 7" Summary __ __ __ ~ __-----____-_ O ffset W'ellpath --------------> Reference Offset Ctr-Ctr No-Go Allowable Site We11 Wellpath MD A1D Distance Area Deviation Warning ft ft ft ft ft ~ EX WKUPST-01 WKUPST-01 WKUPST-01 V1 202.60 200.00 6091.31 66.11 6025.19 Pass: Minor 1/200 PB L Pad L-01 L-01 V14 551.17 550.00 272.81 9.08 263.73 Pass: Major Risk PB L Pad L-02 L-02 V1 491.02 500.00 45.17 8.43 36.73 Pass: Major Risk PB L Pad L-02 L-02A V5 496.75 500.00 45.21 8:61 36.60 Pass: Major Risk PB L Pad L-02 L-02APB1 V2 496.75 500.00 45.21 8.61 -36.60 Pass: Major Risk PB L Pad L-02 L-02P61 V21 491.02 500.00 45.17 8.54 36.62 Pass: Major Risk PB L Pad L-101 L-101 V4 595.15 600.00 15.23 10.22 5.01 Pass: Major Risk PB L Pad L-102 L-102 V2 243.60 250.00 411.84 4.01 407.83 Pass: Major Risk PB L Pad L-102 L-102P61 V10 243.60 250.00 411.84 4.11 407.74 Pass: Major Risk PB L Pad L-102 L-102PB2 V2 243.60 250.00 411.84 4.11 407.74 Pass: Major Risk PB L Pad L-103 L-103 V23 544.45 550.00 294.08 8.53 285.55 Pass: Major Risk PB L Pad L-104 L-104 V7 502.82 500.00 381.32 7.85 373.47. Pass: Major Risk PB L Pad L-105 L-105 V4 549.10 550.00 346.33 9.71 336.62 Pass: Major Risk PB L Pad L-106 L-106 V14 774.36 800.00 337.35 11.93 325.42 Pass: Major Risk PB L Pad L-107 L-107 V14 195.28 200.00 285.64 4.34 281.29 Pass: Major Risk PB L Pad L-108 L-108 V18 733.35 750.00 310.88 12.26 298.62 Pass: Major Risk PB L Pad L-109 L-109 V12 551.48 550.00 225.80 10.76 215.05 Pass: Major Risk PB L Pad L-110 L-110 V11 501.98 500.00 205.31 9.02 196.29 Pass: Major Risk PB L Pad L-111 L-111 V24 702.59 700.00 182.69 11.69 170.99 Pass: Major Risk PB L Pad L-112 L-112 V8 838.69 850.00 20.18 14.09 6.09 Pass: Major Risk PB L Pad L-114 L-114 V15 838.09 850.00 160.78 11.86 148.92 Pass: Major Risk PB L Pad L-114 Plan L-114A V3 Plan: P 838.09 850.00 160.78 11.91 148.87 Pass: Major Risk PB L Pad L-115 L-115 V7 545.66 550.00 106.63 9.10 97.53 Pass: Major Risk PB L Pad L-116 L-116 V10 831.71 850.00 198.46 11.87 186.59 Pass: Major Risk PB L Pad L-117 L-117 V11 593.92 600.00 115.78 9.18 106.60 Pass: Major Risk PB L Pad L-118 L-118 V9 448.76 450.00 141.00 8.38 132.62 Pass: Major Risk PB L Pad L-119 L-119 V9 497.96 500.00 340.36 8.36 332.00 Pass: Major Risk PB L Pad L-120 L-120 V8 293.48 300.00 372.18 5.09 367.09 Pass: Major Risk PB L Pad L-121 L-121 V14 196.19 200.00 191.51 3.60 187.91 Pass: Major Risk PB L Pad L-121 L-121A V1 196.19 200.00 191.51 3.60 187.91 Pass: Major Risk PB L Pad L-122 L-122 V5 1145.65 1150.00 50.20 17.56 32.64 Pass: Major Risk PB L Pad L-124 L-124 V11 245.80 250.00 15.41 4.19 11.22 Pass: Major Risk PB L Pad L-124 L-124PB1 V5 245.80 250.00 15.41 4.19 11.22 Pass: Major Risk PB L Pad L-124 L-124P62 V4 245.80 250.00 15.41 4.19 11.22 Pass: Major Risk PB L Pad L-200 L-200 V7 448.64 450.00 204.32 7.97 196.36 Pass: Major Risk PB L Pad L-200 L-200L1 V3 448.64 450.00 204.32 7.97 196.36 Pass: Major Risk PB L Pad L-200 L-200L2 V6 448.64 450.00 204.32 7.97 196.36 Pass: Major Risk PB L Pad L-201 L-201 V6 293.88 300.00 325.30 5.11 320.20 Pass: Major Risk PB L Pad L-201 L-201 L1 V9 293.88 300.00 325.30 5.11 320.20 Pass: Major Risk PB L Pad L-201 L-201 L1 PB1 V10 293.88 300.00 325.30 5.11 320.20 Pass: Major Risk PB L Pad L-201 L-201 L2 V5 293.88 300.00 325.30 5.11 320.20 Pass: Major Risk PB L Pad L-201 L-201 L3 V2 293.88 300.00 325.30 5.11 320.20 Pass: Major Risk Schlumber er g Anticollision Report Company: BP Amoco Date: 7/14/2005 Time: 16:10:23 Page: 2 Field: Prudhoe Bay Reference Site: PB L Pad Co-ordinate(1~E) Reference: Well: Pla n L-218 (N-B ), True North Reference Welt: Plan L-218 (N-B) Vertical (TVD) Refere nce: L-218 Plan N-B 72.6 Reference Wellpath: Plan L-218 Db: Sybase Summary <------------ Offset Wellpath ----- -----> Reference Offset Ctr-Ctr No-Go Allowable '~ Site Well Wellpath MD MD Distance Area Deviation Warning ft ft ft ft ft PB L Pad __ L-201 __ L-201L3P61 V6 293.88 300.00 325.30 5.11 320.20 Pass: Major Risk PB L Pad L-201 L-201 PB1 V12 293.88 300.00 325.30 5.11 320.20 Pass: Major Risk PB L Pad L-201 L-201PB2 V3 293.88 300.00 325.30 5.11 320.20 Pass: Major Risk PB L Pad L-202 L-202 V5 592.57 600.00 218.70 9.61 209.09 Pass: Major Risk PB L Pad L-202 L-202L1 V7 592.57 600.00 218.70 9.61 209.09 Pass: Major Risk PB L Pad L-202 L-202L2 V6 592.57 600.00 218.70 9.61 209.09 Pass: Major Risk PB L Pad L-202 L-202L3 V6 592.57 600.00 218.70 9.61 209.09 Pass: Major Risk PB L Pad L-210 L-210 V6 243.29 250.00 355.27 4.16 351.11 Pass: Major Risk PB L Pad L-210 L-210P61 V8 243.29 250.00 355.27 4.16 351.11 Pass: Major Risk PB L Pad L-211 L-211 V6 195.59 200.00 91.47 3.74 87.73 Pass: Major Risk PB L Pad L-211 L-211PB1 V6 195.59 200.00 91.47 3.74 87.73 Pass: Major Risk PB L Pad L-212 L-212 V11 497.37 500.00 234.29 8.35 225.95 Pass: Major Risk PB L Pad L-212 L-212PB1 V9 497.37 500.00 234.29 8.35 225.95 Pass: Major Risk PB L Pad L-212 L-212PB2 Study V3 497.37 500.00 234.29 8.35 225.95 Pass: Major Risk PB L Pad L-212 L-212PB2 V2 497.37 500.00 234.29 8.35 225.95 Pass: Major Risk PB L Pad L-214 L-214 V9 456.95 450.00 395.83 8.32 387.50 Pass: Major Risk PB L Pad L-216 L-216 V6 244.20 250.00 280.18 4.32 275.86 Pass: Major Risk PB L Pad NWE1-01 L-100 V2 295.58 300.00 134.57 5.20 129.37 Pass: Major Risk PB L Pad NWE1-01 NWE1-01 V5 295.58 300.00 134.57 5.20 129.37 Pass: Major Risk PB L Pad Plan L-03 (S-O) Plan L-03 V4 Plan: Pla 778.14 800.00 277.89 13.60 264.29 Pass: Major Risk PB L Pad Plan L-123 (S-U) Plan L-123 V4 Plan: PI 639.86 650.00 364.93 11.54 353.39 Pass: Major Risk PB L Pad Plan L-123 (S-U) Plan L-123P61 V2 Plan: 639.86 650.00 364.93 11.43 353.50 Pass: Major Risk PB L Pad Plan L-203 (N-Q) Plan L-203 V6 Plan: PI 497.58 500.00 .264.50 9.34 255.16 Pass: Major Risk PB L Pad Plan L-213 (S-B) Plan L-213 V5 Plan: PI 456.21 450.00 320.39 8.56 311.84 Pass: Major Risk PB L Pad Plan L-215 Plan L-215 V2 Plan: PI 451.25 450.00 309.71 8.61 301.10 Pass: Major Risk PB L Pad Plan L-215 Plan L-215P61 V2 Plan: 451.25 450.00 309.71 8.50 301.21 Pass:. Major Risk PB L Pad Plan L-250 (NM-15) Plan L-250 V1 Plan: PI 592.75 600.00 187.57 10.75 176.82 Pass: Major Risk PB L Pad Plan L-250 (NM-15) Plan L-250L1 V5 Plan: 592.75 600.00 187.57 10.75 176.82 Pass: Major Risk PB L Pad Plan L-50 Plan L-50 V1 Plan: Pla 687.94 700.00 398.46 12.19 386.27 Pass: Major Risk u erg `~L` L-218 (P6b) FIELD Prudhoe Bay Unit - WOA STRUCNRE L-PAD MagneEC Patamalets SWa~ location NAOZJ AUaka Stale Pl as. Zore M, US Faet Miacellaneous Motley. BGGM 2005 Olp: 80.845° Date: Septembef 01,2005 Laf: N]0 21 1 860 Norlbing: 59)8236.81 flU5 GrkJ Conv: v0 fi34]T42>° Sbf L-218 N-B ND Ref Ragry Table ()2.fi0 fl above MSL) Mao Dec: X24.496° F5: 5]5)5.6 nT Lon: W 14919 33.]16 Feeling: 583011 33 flUS Scale Fed: 0.99990]82)9 Plan: L-218 (P8b) Srvy Date: July 15, 2005 0 800 1600 2400 3200 4000 4800 0 800 1600 O O W C II ~ 2400 t~ >~ F- 3200 4000 s>e aa.a.. wr.-..-..as .n®.ere. aw (ar.•-aer.a-nr-.ew.s-..sea v.M• -ea-an-.oases-.v-.. w.ew <. uLr ..r.nrse-e.-+n-.r-..-n.rri- sax..aaa>-aar.e-a•®ea-..r.ey..se.nw.r-<. r..as>•re.:..-. -ka~u..ar.em.emen-.r-avs.eare.s Perrn- End Crv Faul(1 ..._..>......_.._.._...~.._.._..e.._.._.._.,_.._.._.._.._ ,.,..._.._.._. .._..Target/Crv~.1~.0._.._.._,._.._.. _..,...m.._......_.. _.. _._.._.._..,.......«.._......t,._.._.._.._.._.,..,.».._.._J._.._.._.._.._.._.._..»..» End Crv «.,.,,.,.,.°.°............5,..° ................................z.,,,,,,..,,..,,,°,. ,..,,,.... . ,. .. ,..,. ..,....,,°,.,,,..,,,°°°°,...... .,...,.,....,...,,,.,.....,.,., ..,...,......,,,,........,,,,.< .....,.......,.,,......,,,,,<.... .._......_.,_.._.._....._.._......_.._,._. _.._,~ .~...._._.. .._~.~.~ N 10 ~._.._ ._. ..._.._.,...._.._.,_,._.._.._._.._.,_.._.._,._....._.._ End Crv Fault 2 . Crv d1100 ._.._.. _.._.._.._ _.. _.._.._.. _,._..-..».. _.. _.._.._.. _.........._.._ _.._.._.. _.._ ............. .._.._ .._.....,»......M.$........a,._.,..._.._.._.....,»e ._.._.._,._.. End CNITar~et .._..... ...._......» .._.._.._.._.._.._......_.........._.._.,_.._.._.._a ................_,._.._.._.._......_.._.._.._.._ _.. _ .._.,._...____ .. ...,.._ _r_ _.,.-.. .~.._ _.._. ...... _.._.._ ::::::~;:~::=:;:::: ::~::M::~::r::„::w::µ:: ::M::`:::::w:::::::::M:: M:.m::w::µ:::::w::µ::~: ::w:;`::::..»::w::::::;: :~::~::"::M::w::~;:w;:µ ~:::::;n;:w::„:._ ~ :;~::Tit7Y"'~s..~.t::µ:.m ° f~se~ -218 (P8b) ..~. 0 800 1600 2400 3200 4000 -, 0 800 1600 2400 3200 4000 4800 Vertical Section (ft) Azim = 337.09°, Scale = 1(in):800(ft) Origin = 0 N/-S, 0 E/-W . • 3chlum crger ALL L-218 (P6b) FIEF Prudhoe Bay Unit - WOA STRDDnRE L-PAD MagnMC paremebm AbEel: BGGM 20% Oq: 80 B15° Meg Oec: e24.4%° Dab: 9eFlember Ol, 2005 FS: 5]5]5.6 nT Surface Location NAD2) AbeYa Sbb Pbnea, Zone 04, US Feel Lal: N]0 21 1.880 Nwmiig: 5918238.81 M15 Grie tanv: M.834R42]° Lon: W 14919 33.]18 Eastin9: 583011 33 BUS Stab FaG: 0.99990]82]9 M1fxallaneous Sbl: L-218 KB ND Rat Raary Tab (/2.60 h a5ove M3L) Pbn: L-218 (PoB) Srvy Dab: JuN 15.2005 -2250 -1500 -750 0 4500 3750 3000 n n n Z 0 0 t0 2250 m U (n V V V 1500 750 18 (P6b) TD 17" Csg Pt ~"""~ nd Crv /Target T ii crv aloo ~ ° ° 3, ~, r ~In: t Faun z 218 Fault 1 End Crv Crv 411001100 9518";Csg Pt EndiCrv I Target I Crv 41100 ..............M....,....__..,.._...........,_..--......... ._..............._...........°°.........,._°..._....,. °...__° ...°...._._°. °°.......,.....__._,.°,... ...,~.......°.. ,< ' ,._.°...,. .. Fault 1 Evil Crv cis aloo ;End Crv RTE KOP Bld 1.51100 Crv 1.51100 Crv 41100 Crv 3.51100 4500 3750 3000 2250 1500 750 0 -2250 -1500 -750 0 «< W Scale = 1(in):600(ft) E »> PLANT - N~~is ea'se'. GRID L-PAD I ^ N-L (NINE-1) L-1111 ^ N-A (NWE-2) L-218i i L-114 ^ L-124 '~, L-SD ^ ^ L-112i ^ L-ez L-121 ^ ^ L-122 L-110 ^ ^ L-211i L-SI ^ ^ L-1151 L-116 ^ ^ L-117 L-109 ^ ^ L-118 L-SL ^ L-01 ^ ^ L-200 L-107 ^ L-03 ^ ~~D ~ ^ L-202 ^ L-2121 ' ^ L-SPARE L-213i ^ ~ ^ L-203 I L-1081 ^ o - ^ L-216f L-1051 ^ ^ L-1031 23 ~ 1 L-1 i ^ ^ L-201 L-104 ^ ^ L-1191 L-2141 ^ ^ L-210i i L-102 ^ ~ ^ L-120 ( r ,- ,_. %, 34 :` 35 L-PAD ;_.~- ~y PROJECT T12N AREA T11 N _. w ,. ,.... 3 2 5 . ` r 3 VICINITY MAP N.T.S. I WELL N0. L-2181 REVISION NOTE THIS AS-BUILT DRAWING IS A REISSUE OF A PREVIOUS AS-BUILT DRAWING FOR CONDUCTOR SLOT L-NB (L-113i). SLOT L-NB IS BEING RENAMED TO L-2181. ~a°49~ ~ °~ °°, Richard F. Allison ° ° .10608 °° °°°t~ 'q'~essiorw- `- SURVEYOR'S CERTIFICATE I HEREBY CERTIFY THAT I AM PROPERLY REGISTERED AND LICENSED TO PRACTICE LAND SURVEYING IN THE STATE OF ALASKA AND THAT THIS PLAT REPRESENTS A SURVEY MADE BY ME OR UNDER MY DIRECT SUPERVISION AND THAT ALL DIMENSIONS AND OTHER DETAILS ARE CORRECT AS OF JULY 19, 2005. LEGEND NOTES RENAMED CONDUCTOR 1. DATE OF SURVEY: SEPTEMBER 22, 2002. 2. REFERENCE FIELD BOOK: W002-08 PAGES 54-56. ^ EXISTING CONDUCTOR 3. ALASKA STATE PLANE COORDINATES ARE ZONE 4, NAD 27. GEODETIC POSITIONS ARE NAD 27. 4. BASIS OF HORIZONTAL LOCATION IS OPERATOR MONUMENTS, WOA L-PAD MONUMENTATION. 5. BASIS OF ELEVATION IS OPERATOR MONUMENTS PER F.R. BELL & ASSOCIATES. ELEVATIONS ARE BPX MEAN SEA LEVEL DATUM. 6. MEAN PAD SCALE FACTOR IS 0.999907827. i LOCATED WITHIN PROTRACTED SEC. 34, T. 12 N., R. 11 E., UMIAT MERIDIAN, ALASKA WELL A.S.P. PLANT GEODETIC GEODETIC CELLAR SECTION N0. COORDINATES COORDINATE POSITION(DMS POSITION D.DD BOX ELEV. OFFSETS L-218i Y=5,978,236.37 N= 9,999.79 70'21'01.857" 70.3505158' 47 9. 2,517' FSL ' X= 583,011.22 E= 5,014.84 149'19'33.718" 149.3260331' 3,904 FEL r . no o erl. °"~""' dACOes CHECKED:ALLISON by O ~ 'a DATE: 7/19/05 m DRAWING: FRB05 WOL. 05-00 GPB WOA L-PAD y~ ®~~~OO ~ a Boa ND AS-BUILT CONDUCTOR NAME CHANGE ~q,~ nn wio snkr oxs SCALE: 1 ~.~~. ,~~~m ~µ, r= 1s0' WELL L-1131 TO L-2 81 SHEET: 1 OF 1 TERRIE L RUBBLE BP EXPLORATION AK ING ~, as-sn2ez 2'{4 PO BOX 196612 ' M8 7-5 Mastercard Check" ANCHdRAGE, AK-99519-6612 j~g-03 DATE VV V PAY TO THE ORDER OF C~ $ //`1f1. C-~ rl~(f First National Bank Alaska Anchorage, AK 99501 MEMO.. ~ ~ ~' c.- ~:L25200060~:99 L4~•~6227~~~155611• 02L4 ,\ .~ • • • TRANSMITAL LETTER CHECK LIST CIRCLE APPROPRIATE LETTER/PARAGRAPHS TO SE INCLUDED IN TRANSMITTAL LE/TTER WELL NAME ~~~ ~ '~ Z/ PTD# ~ d ~~ ~~ CHECK WHAT ADD-ONS "CLUE" APPLIES (OPTIONS) MULTI The permit is for a new wellbore segment of LATERAL existing well , Permit No, API No. (If API number Production should continue to be reported as last two (2) digits a function of the original API number stated are between 60-69) above. PILOT HOLE In accordance with 20 AAC 25.005(f), all (PIS records, data and logs acquired for the pilot hole must be clearly differentiated in both name (name on permit plus PH) and API number (50 - 70/80) from records, data and logs acquired for well (name on permit). SPACING The permit is approved subject to full .EXCEPTION compliance with 20 AAC 25.055. Approval to perforate and produce/infect is contingent upon issuance of a conservation order approving a spacing exception. (Company Name) assumes the liability of any protest to the spacing exception that may occur. DRY DITCH All dry ditch sample sets submitted to the SAMPLE Commission must be in no greater than 30' sample intervals from below the permafrost or from where samples are first caught and 10' sample intervals through target zones. Rev: 04/01/05 C\ j od y\tra n s m itta I_c h ec kl i st WELL PERMIT CHECKLIST Field & Pool PRUDHOE BAY, ORION SCHR BL OIL- 640135 Well Name: PRUDHOE BAY UN GRIN L-218 Program SER Well bore seg ^ PTD#:2051190 Company BP EXPLORATION (-ALASKA) INC Initial ClasslType SER / PEND GeoArea 890 Unit 11650 On10ff Shore On Annular Disposal ^ Administration 1 Permit-fee attached Yes - - - - - - 2 Lease number appropriate- - - - , No- . _ Correction made to_ 10-401:_Correct lease number for entire well course-is ADL 028239. - - 3 Unique well-name and number -- -- - ---- -- ----- -- -- Yes -- - -- ----- -- --- ----- - -------------------------------------- 4 Well located in a_d_efnedpool_____________________ _______ __________Yes. -___PRUDHOEBAY,ORIONSCHRBLOIL-640135, governed by.C0505,__-___ 5 Well located proper distance-from drilling unit_boundary_ ... _ _ - - _ - _ Yes _ - _ _ - - C9 505 specifes.pPool shall not be opened closer than 500' to. an-external-boundary-whe[eownership changes. - 6 Well located proper distance from other wells- Yes CO 505 specifies 10-acre spacing.- _ 7 Sufficient acreageavail_ablein_drillingunit__-.--____„__ _______ __________Yes_ .__- _CQ505specifies_10-acr_espacing.___--_____---_ ___---____- 8 Ifdeyiated,is_wellboreplat_included-____________ __________ ______.-_Yes_ ___.-_- - - 9 Ope[ator only affected party - - - - Yes - - - - - - 10 Opera#orhos-appropriatebond in force _ _ _ _ _ _ _ _ _ _ _ _ __ _ _ _ _ _ __ _ _ _ _ _ _ _ _ __ _ _ Yes _ _ _ _ _ ..Corrected 1Q-401; proper_bond is#6194193, band #25100302630-277 was cancelled 713112002. _ - - - - _ - - _ _ 11 Pe[mit_canbeissuedwithoutconservationorder__________________ __________Yes_ ____--__-----__-.__--__._--____--__ Appr Date 12 Permit can be issued without administrative_approva_I - - Yes _ - _ -------------------------------------------------------------- SFD 81412005 13 Can permit be approved before 15-day wait Yes 14 Well located within area and_strata authorized by_Injection Order # (put_10# in_ eomments)_(FQr- Yes - Area Injection Order No, 26_ - - - - - - - - - - - -- - - - _ _ - ------------------- 15 All wells-within 114-mile area ofreyiewidentified(Forservicewellonly)----- ---------- Yes_ ____.None-__----__------__----__-_--_--_,_--__---__-_- ----------------- 16 Pre-produced injector; duration of preproduction lessthan_3 months-(For_servicewell only) - No_ _ - - - _ _ _ , _ . ------------------- 17 ACMP_FindingofConsistency_hasbeenissued-for-this pro)ect__________ __________ NA__ _______---___----___---____--_____----___._--____-,-____--_____ Engineering 18 Conductor string-provided______ -,_____________________ _____ ____Yes_ __--__20"~a109'.__-___--______-_____-.-__-__-___,-____ 19 Surface casing-protects all_known USDWs - - Yes - - - 20 CMT-vol_adequ_afe.to circul_ate_on conductor & surf-csg - _ _ - - _ Yes . . _ - - Adequate excess, - - 21 _C_MT,vol- adequ_ate_to tie-in long string to surf csg_ No_ _ _ _ - _ _ _ _ 22 CMTwillcoverallknow_n_productiyehorizons____________________ ___ ______Yes- -_____--_____-_______--____---______. ------------------------------------- 23 Casing designs adequate for C,T,B&_germaf[ost___.----------- -----. Yes- ----------------------------------- ---------------------------------- -- 24 Adequatetan_kage_orreseryepit_--_____--_____--____- -_____---Yes. -___Nabors_9ES,--__________________--_____---____- 25 Ifa_re-drill,has_a_1.0-403 for abandonment beenapproved___ ________ __________NA__ ___--_Newwell,______--_____--____________.______--____--______,-___-______ 26 Adequatewellboreseparationproposed ---- --- -- ----- - - Yes- - --- --- ----- -- -- ---- -- -----~ -- - - -- --- -- 27 Ifdiverterrequired,do_esitmeetregulations__________________-_ ____-- ___Yes- _____---___--_____--____.-_- - - Appr Date 28 Drillingfluid_programschematic&equiplistadequate__..._________ ________-Yes- ___MaxMW 9,6ppg.__---____--___--___-____---____---_ _---___--,__ WGA 81812005 29 BOPEs,doiheymeetregulation___________________________ __________Yes_ __.-.__-..--__- -- - - 30 _B_OPE-press rating appropriate; test to,(pu_t prig in comments)- - - Yes _ - Test to 4000 psi. _MSP 1300 psi.- _ - - 31 Choke_manifoldcomplieswlAPiRP-53~May84)__________________ ______ ___Yes_ ____.-_____..______.-______.-__ 32 Workwilfoccurwithoutoperationshutdow_n_____________________ __________Yes_ ______-____---____---,_____--____---_____--_____---____-._ ---------------- 33 Ispresence_ofH2Sgasprobable_-.____. -- - No__ ___..NotanH25pad.__---__ -_-__--_.-_- ______________ ___________-.-.--_ 34 Mecha_nical.condition of wells within AOR verified GForservice well only) - - Yes _ .. _ - _ No wells within AOR._ ------------------------------------------- Geology 35 Permit_can be issued wlo- hydrogen_sulfide measures - _ _ - - - - _ _ _ - _ _ - - . .. _ Yes _ .. _ - - No H2S has been measured in-fluids produced from Schrader Bluff formation in this area. - - 36 Data_presented on potential overpressure zones- - _ - _ Yes . _ Expected pressure i& 8.0, 8.7 ppg EMW,will be drilled with 8,8 -_9,3 ppg mud.- - - Appr Date 37 Seismic analysis-of shallow gas.z_ones_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __ _ _ _ _ _ _ _ tJA_ - _ _ _ .. _ Gas- hydrates are_present at PBU !.-Pad. _ Noted.in D[illing-Hazards & C9ntingencies section-of plan. _ _ . - _ . _ - , SFD 814!2005 38 Seabed condition survey.(if off---shore) . _ - - _ -- - NA-- 39 Contact name/phone_for weekly progress-reports [exploratory only] - , _ NA_ _ - - - - , Geologic Engineering Public Commissioner: Date: Commissioner: Date Date ~ ~ s ~~ ~,~ ~~~ ~~8 ~ /~,~-, ~;~ •