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Home My WebLink About208-1677. If perforating: 1. Type of Request: 2. Operator Name: 3. Address: 4. Current Well Class:5. Permit to Drill Number: 6. API Number: 8. Well Name and Number: 9. Property Designation (Lease Number):10. Field: Abandon Suspend Plug for Redrill Perforate New Pool Perforate Plug Perforations Re-enter Susp Well Other Stimulate Fracture Stimulate Alter Casing Pull Tubing Repair Well Other: Change Approved Program Operations shutdown What Regulation or Conservation Order governs well spacing in thes pool? Will perfs require a spacing exception due to property boundaries?Yes No 11. Total Depth MD (ft): Total Depth TVD (ft): Effective Depth MD: Effective Depth TVD: MPSP (psi): Plugs (MD): Junk (MD): PRESENT WELL CONDITION SUMMARY Perforation Depth MD (ft): Perforation Depth TVD (ft):Tubing Size: Tubing Grade: Tubing MD (ft): Packers and SSSV Type:Packers and SSSV MD (ft) and TVD (ft): Casing Length Size MD TVD Burst Collapse Exploratory Stratigraphic Development Service 12. Attachments: 14. Estimated Date for Commencing Operations: 13. Well Class after proposed work: 15. Well Status after proposed work: 16. Verbal Approval: 17. I hereby certify that the foregoing is true and the procedure approved herein will not be deviated from without prior written approcal. Proposal Summary Wellbore schematic BOP SketchDetailed Operations Program OIL GAS WINJ WAG GINJ WDSPL GSTOR Op Shutdown Suspended SPLUG Abandoned ServiceDevelopmentStratigraphicExploratory Authorized Name and Digital Signature with Date: Authorized Title: Contact Name: Contact Email: Contact Phone: AOGCC USE ONLY Commission Representative: Conditions of approval: Notify AOGCC so that a representative may witness Sundry Number: Location ClearanceMechanical Integrity TestBOP TestPlug Integrity Other Conditions of Approval: Post Initial Injection MIT Req'd?Yes No Subsequent Form Required: Approved By: Date: APPROVED BY THE AOGCCCOMMISSIONER PBU H-38 Ext Patch Deployment Hilcorp North Slope, LLC 3800 Centerpoint Dr, Suite 1400, Anchorage, AK 99503 208-167 50-029-23402-00-00 ADL 0047505, 0047506 12652 Surface Intermediate Liner 8854 3571 9911 2890 12570 9-5/8" 7" 4-1/2" 8837 29 - 3600 25 - 9936 9761 - 12651 2620 29 - 3205 25 - 8523 8375 - 8853 None 3090 5410 7500 None 5750 7240 8430 10473 - 12530 4-1/2" 12.6# 13Cr80 23 - 97708752 - 8829 Conductor 80 20" 29 - 109 29 - 109 4-1/2" Baker S-3 Perm Packer No SSSV Installed 9693, 8317 Date: Torin Roschinger Operations Manager Brenden Swensen brenden.swensen@hilcorp.com 907-748-8581 PRUDHOE BAY 1/1/2026 Current Pools: PRUDHOE OIL Proposed Pools: PRUDHOE OIL Suspension Expiration Date: STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION APPLICATION FOR SUNDRY APPROVALS 20 AAC 25.280 Comm. Comm.Sr Pet Eng Sr Pet Geo Sr Res Eng Form 10-403 Revised 06/2023 Approved application is valid for 12 months from the date of approval.Submit PDF to aogcc.permitting@alaska.gov Digitally signed by Torin Roschinger (4662) DN: cn=Torin Roschinger (4662) Date: 2025.12.17 16:05:43 - 09'00' Torin Roschinger (4662) 325-769 By Grace Christianson at 4:29 pm, Dec 17, 2025 DSR-12/19/25TS 12/18/25 Extended patch and BHA not to exceed 500'. Reestablish pressure containment after patch is run in hole below tree. Perform and document well control drill on each shift using attached standing orders. Ensure well is dead before breaking containment 10-404 J.Lau 12/22/25JLC 12/22/2025 12/22/25 Page 1 of 11 Install Patch Across Perfs Well: H-38 PTD: 208-167 Well Name:H-38 API Number:50-029-23402-00 Current Status:Operable Producer PTD #208-167 Estimated Start Date:1/1/2025 Rig:SL / Coil Reg.Approval Reqstd?10-403, 10-404 Estimated Duration:2 days Regulatory Contact:Abbie Barker 907-564-4915 (O) First Call Engineer:Brenden Swensen 907-748-8581 (M) Second Call Engineer:Leif Knutterud 432-227-4342 (M) Current Bottom Hole Pressure:3,200 psi @ 8,800 TVD (7.0 ppge, based on offsets) Maximum Expected BHP:3,500 psi @ 8,800 TVD (est.) 7.6ppg EMW Max. Anticipated Surface Pressure:2,620 psi Gas Column Gradient (0.1 psi/ft) Last SI WHP:2,060 psi (11/18/2025) H2S Level (Most Recent / Highest):15ppm 1/27/2023, 22ppm 6/05/2021 History H-38 was originally drilled can completed in 2008. It currently is producing from all perforations. Based on perforations in 2022 and production data since, the shallowest of the 2 intervals is believed to be the major culprit for the increase in gas rate / GOR. This program intends to shut that gas off in attempt to improve GOR and overall offtake from the lower perforations. Objective Set tubing patch across top perforation interval. Coil will need to set patch due to deviation. Single run patch is achievable, however requires open hole initial deployment. Procedure (Page 1 of 3) Slickline 1. Drift to deviation with dummy patch assembly. a. Previous drifts have made it to ~10,100 MD. Coil Tubing 2. Make up GR/CCL logging BHA. 3. Pull tie in log from ±10,700 9,500 MD. a. Flag pipe around target set depth of patch, 10,466-10,490 MD. Page 2 of 11 Install Patch Across Perfs Well: H-38 PTD: 208-167 Procedure (Page 2 of 3) Coil Tubing Open Hole Deploy Patch (Page 1 of 2) Notes: Remote gas monitoring for H2S and LELs are required for Open Hole Deployment Operations Due to the necessary open hole deployment of Extended BHA jobs, 24-hour crew and WSS coverage is required. The well will be killed and monitored before making up the BHA. This is generally done during the drift/logging run. This will provide guidance as to whether the well will be killed by bullheading or circulating bottoms up throughout the job. Well will have active open perforations for the duration of the job. If pressure is seen, the well will either be killed by bullheading while POOH or circulating bottoms up through the BHA. 4. After MU MHA and pull testing the CTC, tag-up on the CT stripper to ensure BHA cannot pull through the brass upon POOH if patch does not set down hole. 5. Bullhead 1.2x wellbore volume ~192 bbls 1% KCL/SW down tubing. Max tubing pressure 2500 psi. (This step can be performed any time prior to open-hole deployment of the patch. Timing of the well kill is at the discretion of the WSS.) a.Wellbore volume to top perf = 160 bbls b. 4-1/2 tubing/liner 10,473 X .0152 bpf = 160 bbls 6. At surface, prepare for deployment of single run straddle patch. 7. Confirm well is dead. Bleed any pressure off to return tank. Kill well w/KWF, 8.4 ppg 1% KCl or 8.5 ppg as needed. Maintain hole fill taking returns to tank until lubricator connection is re- established. Fluids man-watch must be performed while deploying extended patch to ensure the well remains killed and there is no excess flow. 8.*Perform drill by picking up safety joint with TIW valve and space out before MU patch BHA. Review standing orders with crew prior to breaking lubricator connection and commencing makeup of patch assembly. Once the safety joint and TIW valve have been spaced out, keep the safety joint/TIW valve readily accessible near the working platform for quick deployment if necessary. 9.At the beginning of each job, the crossover/safety joint must be physically MU to the patch BHA one time to confirm the threads are compatible. 10. Break lubricator connection at QTS and begin deploying patch into well with crane. Constantly monitor fluid rates pumped in and fluid returns out of the well. Fluids man-watch must be performed while deploying to ensure the well remains killed and there is no excess flow. 11. RIH with patch and tie-in to coil flag correlation. a. Note any tubing pressure change in WSR. Page 3 of 11 Install Patch Across Perfs Well: H-38 PTD: 208-167 Procedure (Page 3 of 3) Coil Tubing Open Hole Deploy Patch (Page 2 of 2) 12. Set chrome patch from ±10,466-10,490 MD mid element to mid element. Note all indications of patch set in WSR. a. Liner is 13CR-80 tubing. b. Straddle perforations 10,473 10,483 MD (10). i. Internal patch length of ±24 gives 7 of stand off on either side of perfs. ii. Ideal to have larger buffer minimize risk of coil stretch / depth control. c. CCL shows collar at 10,471 MD. Joints per tubing tally are 42. Next collars are 10,429 and 10,513 MD. Setting between collars shouldnt be an issue. d. Overall BHA length with running tool is expected to be ±46. 13. If unable to close swab valve due to patch BHA still being attached, review well control steps and Standing Orders with crew prior to breaking lubricator connection and commencing breakdown of BHA. a. If patch set correctly, should be able to close swab and break connection per normal operating procedures. 14. RDMO CTU. 15. Turn well over to Operations POP. Attachments Current Wellbore Schematic Proposed Wellbore Schematic Tie In Log BOP Schematic Standing Order Flow Chart Equipment Layout Diagram Sundry Change Form Page 4 of 11 Install Patch Across Perfs Well: H-38 PTD: 208-167 Page 5 of 11 Install Patch Across Perfs Well: H-38 PTD: 208-167 Page 6 of 11 Install Patch Across Perfs Well: H-38 PTD: 208-167 Tie In Log (Page 1 of 2) Page 7 of 11 Install Patch Across Perfs Well: H-38 PTD: 208-167 Tie In Log (Page 2 of 2) Page 8 of 11 Install Patch Across Perfs Well: H-38 PTD: 208-167 BOP Schematic Page 9 of 11 Install Patch Across Perfs Well: H-38 PTD: 208-167 Page 10 of 11 Install Patch Across Perfs Well: H-38 PTD: 208-167 Page 11 of 11 Install Patch Across Perfs Well: H-38 PTD: 208-167 Changes to Approved Sundry Procedure Date: Subject: Sundry #: Any modifications to an approved sundry will be documented and approved below. Changes to an approved sundry will be communicated to the AOGCC by the first call engineer. AOGCC written approval of the change is required before implementing the change. Step Page Date Procedure Change HNS Prepared By (Initials) HNS Approved By (Initials) AOGCC Written Approval Received (Person and Date) Approval: Operations Manager Date Prepared: Operations Engineer Date Post Office Box 244027 Anchorage, AK 99524-4027 3800 Centerpoint Drive Suite 1400 Anchorage, AK 99503 Phone: (907) 564-4891 06/09/2025 Mr. Jack Lau Alaska Oil and Gas Conservation Commission 333 West 7th Avenue, Suite 100 Anchorage, Alaska 99501 Re: Prudhoe Bay Surface Casing by Conductor Annulus Top-offs of Cement, Corrosion Inhibitor through 06/09/2025. Dear Mr. Lau, Enclosed please find a copy of a spreadsheet with a list of Prudhoe Bay wells that were topped-off with cement, corrosion inhibitor in the surface casing by conductor annulus through 06/09/2025. Cement top-offs are executed as needed to mitigate the void space left at surface by minor cement fallback during the primary surface casing by conductor cement job. The remaining void space between the top of the cement and the top of the conductor is filled with a heavier than water corrosion inhibitor to reduce the risk of external surface casing corrosion. The attached spreadsheets include the well names, API and PTD numbers, treatment dates and volumes. 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 have any additional questions, please contact me at 564-4891 or oliver.sternicki@hilcorp.com. Sincerely, Oliver Sternicki Well Integrity Supervisor Hilcorp North Slope, LLC Digitally signed by Oliver Sternicki (4525) DN: cn=Oliver Sternicki (4525) Date: 2025.06.09 14:30:46 - 08'00' Oliver Sternicki (4525) Hilcorp North Slope LLC.Surface Casing by Conductor Annulus Cement, Corrosion Inhibitor Top-offReport of Sundry Operations (10-404)06/09/2025Well NamePTD #API #Initial top of cement (ft)Vol. of cement pumped (gal)Final top of cement (ft)Cement top off date Corrosion inhibitor (gal)Corrosion inhibitor/ sealant dateF-10C21308650029204100365/29/25F-29B2111475002921627026.25/29/25F-33A20816350029226400145/29/25F-3619519650029226310035/29/25F-39190141500292210100175/29/25F-44A2051615002922130012.55/29/25F-47B21007950029222320215/29/25L-2512231065002923772001.8813/31/24117/29/24L-2532230485002923758004.1201.13/31/24127/29/24L-2542230305002923752003.8321.23/31/24137/29/24L-2922230255002923751003.3301.33/31/24147/29/24N-282141275002923524006.8504.711/19/242212/28/24N-302141245002923523003.5330.311/17/243.512/28/24PAVE1-122309450029237670019.910/27/24PWDW3-221908150029236340014.810/27/24S-40120607850029233130015.31130.511/15/24412/28/245/29/25F-33A2081635002922640014 3URSHUW\'HVLJQDWLRQ/HDVH1XPEHU 2SHUDWLRQV 3HUIRUPHG 2SHUDWRU1DPH $GGUHVV :HOO&ODVV%HIRUH:RUN3HUPLWWR'ULOO1XPEHU $3,1XPEHU :HOO1DPHDQG1XPEHU /RJV/LVWORJVDQGVXEPLWHOHFWURQLFGDWDSHU$$&)LHOG3RROV $EDQGRQ 6XVSHQG 3OXJIRU5HGULOO 3HUIRUDWH1HZ3RRO 3HUIRUDWH 3OXJ3HUIRUDWLRQV 5HHQWHU6XVS:HOO 2WKHU6WLPXODWH )UDFWXUH6WLPXODWH $OWHU&DVLQJ 3XOO7XELQJ 5HSDLU:HOO 2WKHU &KDQJH$SSURYHG3URJUDP 2SHUDWLRQVVKXWGRZQ 3UHVHQW:HOO&RQGLWLRQ6XPPDU\ &DVLQJ /HQJWK 6L]H 0' 79' %XUVW &ROODSVH ([SORUDWRU\ 6WUDWLJUDSKLF 'HYHORSPHQW 6HUYLFH $WWDFKPHQWVUHTXLUHGSHU$$& :HOO6WDWXVDIWHUZRUN ,KHUHE\FHUWLI\WKDWWKHIRUHJRLQJLVWUXHDQGFRUUHFWWRWKHEHVWRIP\NQRZOHGJH 2,/ *$6 :,1- :$* *,1- :'63/ *6725 6XVSHQGHG 63/8* $XWKRUL]HG1DPHDQG 'LJLWDO6LJQDWXUHZLWK'DWH $XWKRUL]HG7LWOH &RQWDFW1DPH &RQWDFW(PDLO &RQWDFW3KRQH 3%8+ ([WHQGHG3HUIZ&78 +LOFRUS1RUWK6ORSH//& &HQWHUSRLQW'U6XLWH$QFKRUDJH$. &RQGXFWRU 6XUIDFH ,QWHUPHGLDWH 3URGXFWLRQ /LQHU 1RQH 1RQH &U 6WUXFWXUDO %DNHU63HUP3DFNHU 6WDQ*ROLV 6U$UHD2SHUDWLRQV0DQDJHU -RKQ&RQGLR& -RKQ&RQGLR#KLOFRUSFRP 358'+2(%$<358'+2(2,/ 7RWDO'HSWK (IIHFWLYH'HSWK PHDVXUHG WUXHYHUWLFDO IHHW IHHW IHHW IHHW PHDVXUHG WUXHYHUWLFDO PHDVXUHG PHDVXUHG IHHW IHHW IHHW IHHW PHDVXUHG WUXHYHUWLFDO 3OXJV -XQN 3DFNHU 0HDVXUHGGHSWK 7UXH9HUWLFDOGHSWK IHHW IHHW 3HUIRUDWLRQGHSWK 7XELQJVL]HJUDGHPHDVXUHGDQGWUXHYHUWLFDOGHSWK 3DFNHUVDQG6669W\SHPHDVXUHGDQGWUXHYHUWLFDOGHSWK 6WLPXODWLRQRUFHPHQWVTXHH]HVXPPDU\ ,QWHUYDOVWUHDWHGPHDVXUHG 7UHDWPHQWGHVFULSWLRQVLQFOXGLQJYROXPHVXVHGDQGILQDO 5HSUHVHQWDWLYH'DLO\$YHUDJH3URGXFWLRQRU,QMHFWLRQ'DWD 2LO%EO *DV0FI :DWHU%EO &DVLQJ3UHVVXUH 7XELQJ3UHVVXUH 3ULRUWRZHOORSHUDWLRQ 6XEVHTXHQWWRRSHUDWLRQ :HOO&ODVVDIWHUZRUN ([SORUDWRU\ 'HYHORSPHQW 6HUYLFH 6WUDWLJUDSKLF'DLO\5HSRUWRI:HOO2SHUDWLRQV &RSLHVRI/RJVDQG6XUYH\V5XQ (OHFWURQLF)UDFWXUH6WLPXODWLRQ'DWD 6XQGU\1XPEHURU1$LI&2([HPSW $'/ 1R6669,QVWDOOHG 1$ 1$ 67$7(2)$/$6.$ $/$6.$2,/$1'*$6&216(59$7,21&200,66,21 5(32572)681'5<:(//23(5$7,216 6U3HW(QJ 6U3HW*HR )RUP5HYLVHG6XEPLW:LWKLQGD\VRU2SHUDWLRQV 6U5HV(QJ WKHEHVWRIP\NQRZOHG 6HSWHPEHU By Anne Prysunka at 2:23 pm, Sep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avid Dempsey Hilcorp Alaska, LLC Sr. Geotechnician 3800 Centerpoint Drive, Suite 1400 Anchorage, AK 99503 Tele: (907) 777-8337 E-mail: david.dempsey2@hilcorp.com Please acknowledge receipt by signing and returning one copy of this transmittal. Received By: Date: Date: 09/27/2022 To: Alaska Oil & Gas Conservation Commission Natural Resource Technician 333 W 7th Ave Suite 100 Anchorage, AK 99501 SFTP DATA TRANSMITTAL T#20220927 Well API #PTD #Log Date Log Company Log Type AOGCC Eset# END 3 31 500292283800 197227 12/13/2021 Baker CH RPM PBU 01-14A 500292028101 209129 7/29/2022 Baker CH SPN PBU 01-15B 500292028702 213190 8/2/2022 Baker CH SPN PBU 01-31 500292162600 186132 7/6/2022 Baker CH SPN PBU 06-04B 500292017902 216092 5/5/2021 Baker CH RPM PBU 06-16A 500292046001 212139 5/3/2021 Baker CH RPM PBU 06-21C 500292080203 221088 6/28/2022 Baker CH MRPM PBU 15-49C 500292265103 215129 8/13/2022 Baker CH MRPM PBU H-05B 500292010602 209100 6/29/2022 Baker CH SPN PBU H-26A 500292148701 214205 7/10/2022 Baker CH SPN PBU H-35A 500292260001 214045 7/4/2022 Baker CH SPN PBU H-38 500292340200 208167 7/19/2022 Baker CH SPN PBU P1-06A 500292269502 222009 7/17/2022 Baker CH MRPM PBU P2-43 500292325000 205024 8/5/2022 Baker CH SPN PBU U-09B 500292114402 214063 8/12/2022 Baker CH SPN PBU W-26A 500292196401 199081 7/23/2022 Baker CH SPN Please include current contact information if different from above. T37052 T37053 T37054 T37055 T37056 T37057 T37058 T37059 T37060 T37061 T37062 T37063 T37064 T37065 T37066 T37067 PBU H-38 500292340200 208167 7/19/2022 Baker CH SPN Kayla Junke Digitally signed by Kayla Junke Date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&&/7276 3(5),17(59$/ 0' :(//6,21'(3$5785(3$'23127,),('72323 7,2 7(03 /5681,7 (/,1($66,67 3(5)(5$7,2163803('%%/6&58'('2:1)/)25)5((=( 3527(&735(6685(')/7236,3(5'623803('%%/6&58'( '2:17%*72/2$'35,2572(/,1(5,**,1*833803('%%/6 &58'('2:17%*72$66,67(/,1('2:1+2/('(9,$7('(/,1(,1 &21752/2):(//8321'(3$5785(7$*+81*21:9):+3 6 9$&9$& 'DLO\5HSRUWRI:HOO2SHUDWLRQV 3%8+ STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION REPORT OF SUNDRY WELL OPERATIONS 1. Operations Performed Abandon ❑ Plug Perforations ❑ Fracture Stimulate ❑ Pull Tubing ❑ Operations shutdown ❑ Suspend ❑ Perforate Q Other Stimulate ❑ Alter Casing ❑ Change Approved Program ❑ Plug for Redrill ❑ Perforate New Pool ❑ Repair Well ❑ Re-enter Susp Well ❑ Other: ❑ 2. Operator Name: BP Exploration (Alaska), Inc 4. Well Class Before Work Development 0 Exploratory ❑ 5. Permit to Dnll Number: 208-167 3. Address: P.O. Box 196612 Anchorage, AK 99519-6612 Stratigraphic ❑ Service ❑ 1 6. API Number: 50-029-23402-00-00 7. Property Designation (Lease Number): ADL 047506 8. Well Name and Number: PBU H-38 9. Logs (List logs and submit electronic and printed data per 20AAC25.071): 10. Field/Pools: PRUDHOE BAY, PRUDHOE OIL 11, Present Well Condition Summary: Total Depth: measured 12652 feet Plugs measured None feet true vertical 8854 feet Junk measured None feet O� T 17 2019 Effective Depth: measured 12570 feet Packer measured 9693 feet true vertical 8837 feet Packer true vertical 8318 feet eOGCC Casing: Length: Size: MD: TVD: Burst: Collapse: Structural Conductor 80 20" 29-109 29-109 Surface 3571 9-5/8" 29-3600 29-3205 5750 3090 Intermediate 9911 7" 25-9935 25-8523 7240 5410 Production Liner 2890 4-1/2" 9761-12651 8376-8853 8430 7500 Perforation Depth: Measured depth: 10948 - 12530 feet True vertical depth: 8819-8829 feet Tubing (size, grade, measured and true vertical depth) 4-1/2" 16.9# 13Cr80 23-9770 23-8383 Packers and SSSV (type, measured and 4-1/2" Baker S-3 Perm Packer 9693 8318 true vertical depth) No SSSV Installed 12. Stimulation or cement squeeze summary: Intervals treated (measured): Treatment descriptions including volumes used and final pressure: 13. Representative Daily Average Production or Injection Data Oil -Bbl Gas-Mct Water -Bbl Casing Pressure Tubing Pressure Prior to well operation: 714 23435 3825 1840 392 Subsequent to operation: 640 19637 2481 2000 1073 14. Attachments: (required perNMC25.07025.071.825.293) 15. Well Class after work: Daily Report of Well Operations 0 Exploratory ❑ Development p Service ❑ Stratigraphic ❑ Copies of Logs and Surveys Run ❑ 16. Well Status after work: Oil RI Gas ❑ WDSPL ❑ Printed and Electronic Fracture Stimulation Data ❑ 1 GSTOR ❑ WINJ ❑ WAG ❑ GINJ ❑ SUSP ❑ SPLUG ❑ 17. 1 hereby certify that the foregoing is true and correct to the best of my knowledge. Sundry Number or N/A if C.O. Exempt: N/A Authorized Name: Peru, Cale Contact Name: Peru, Cale Authorized Title: Petroleum Engin Contact Email: Cale. Pewccbbp.wm Authorized Signature: Date: Contact Phone: +1 9075644522 Form 10-404 Revised 04/2077 r 11019 -4RDM�G✓W /n rT 7 7 ,Mio Submit Original Only Daily Report of Well Operations PBU H-38 ArTI\/ITV nATF ............. CTU 8 1.5" coil 0.109WT Job Scope: drift & log/add perf MIRU. MU & RIH w/ 3.25" drift/GR/CCL BHA. Log from 11,200'- 10,400'. Paint flag at 10,500'. POOH. Correct +7' to tie-in log. MU 20' long 2-7/8" SLB gun with PowerJet Omega charges. RIH to 400fL POH due to hydraulic leak. 9122/2019 **in Progress- ro ress**8 81.5" coil 0.109WT Job Scope: drift & log/add per' Continue to test BOP's. MU 20' long 2-7/8" SLB gun with PowerJet Omega charges. RIH. Perforate from 10950ft to 10970ft (Reference Log Depths 10948ft to 10968ft) with 2-7/8" 2906 Power Jet Omega, 6 spf. POH. LD perf guns. FP well. RDMO. 9/24/2019 ***Com tete*** ,Rff= 1 C7W W9INEAD= FMC ACTUATOR= BAKERC KB. FLEV = 75.25 BF. ELEV = 44.7 KOP= 250 Max Angle = 101' Q11706' Datum MD= 12749' Datum TVD= 8800'SS 1 to- GQNUUGTOR 215.5#, A-53, D =? 1-1 108' I 9-5/8" CSG, 40#, L-80 BTC, D = 8.835" 3600' 7" CSG, 269, L-80 TCIIXO TO L-80 BTGM 4609' Minimum ID = 3.725" @ 9757' 4-1/2" HES XN NIPPLE 4-1/2' TBG, 12.6#, 13CI?-80 VAMTOP, I -t 9770' .0152 bpf, D = 3.958" 7" CSG, 269, L-80 BTC -M, D = 6276" 9936' PERFORATION SUMMARY REF LOG: SCHLUMBERGER GRAZES/DENINEU 12107/08 ANGLE AT TOP PERF: 86'@10948' Note: Refer to Production DB for tostorical rfdata SIZE SPF INTERVAL OprkfSqz DATE 2.88" 6 10948 -10968 O 09/24/19 2-112" 6 10978 -11009 O 06/04/18 2-1/2" 6 11038-11069 O 06/04/18 2.88" 6 11510 -11550 O 12/10/08 2.88" 6 11600 -11780 O 12/10408 2.88' 6 11830 -12140 O 12110/08 2.88" 6 12200 -12270 O 12110/18 2.88" 6 12500 -12530 O 12/10/08 PBTD 12570' 41/2" LNR, 12.6#, 13CR-80 VAMTOP, 12651' .0152 bpf, D = 3.958' H-38 SAFETY NOTES:"'CHROME TBG, LNR & NIPPLES"'W ELL ANGLE> 70'0 10240' 61��9-5/B" TAM PORL COLLAR D= 8-84" 2191' 41/2" HES X NP, D = 3.813" GAS LFT MAN]RR. S ST MD ND DEV TYPE VLV LATCHnFORT841E 09/)6109 TP/JM) DR -G DRAFT CORRECTIONS 4 4270 3756 34 KC 2 DOME BBC02107/09 3 6722 5816 32 KC 2 SO BK02/07/09 2 8470 7291 33 KGB -2 DMY BK12/12/06 1 9584 6226 33 KGB -2 DMY BK 0 12/128 962_-141!2' HES X fes, D = 3.813" 062408 TBP INITIAL 9693' 7" X 4-1/2" BKR S-3 PKR D - 09/)6109 TP/JM) DR -G DRAFT CORRECTIONS 9726' 4-1/2" HESX NP, D = 3.813" DATE REV BY COMMENTS DATE REV BY I COMMENTS 062408 TBP INITIAL 12/12116 7ES ORIGINAL COMPLETION 09/)6109 TP/JM) DR -G DRAFT CORRECTIONS 101=12 NISE/JM) LEGEND CORRECTIONS 06M18 N(WJMD ADPERFS 06/04/18 09115/19 BGJMD ADPERFS 09/24/19 14-112" HES XN NP, D = 3725- 17- X 5" BKR ZXP LTPw mBR D = 4.40" 41/2" WLEG, 5" X 4-1/2' XO. D =A 950" PRUDHOE BAY UNf WELL H38 PERMT No: 1081670 API No: 50402923402-0000 T11 NL R13E. 137T FNL & 1266 BP Fxpbration (Alaska) e Pro~ct Well Histo File Cove~age Imag ~ rY XHVZE This page identifies those items that were not scanned during the initial production scanning phase. They are available in the original file, may be scanned during a special rescan activity or are viewable by direct inspection of the file. ~O~ - ~ i~ ~ Well History File Identifier Organizing (done) R CAN olor Items: Greyscale Items: ^ Poor Quality Originals: ^ Other: NOTES: o.~.,aed iiumimiuuiii DIGITAL DATA ~skettes, No. ^ Other, No/Type: o a„G~.~~ iiiuimiuiuii OVERSIZED (Scannable) ^ Maps: ^ Other Items Scannable by a Large Scanner OVERSIZED (Non-Scannable) ^ Logs of various kinds: ^ Other:: BY: Maria Date: ~ ~ D /s/ 1 IIIII~IIIIIII VIII Project Proofing BY: Maria Date: ~ ~ d /s/ in Pre aration ,_~ x 30 = ~ + ~ =TOTAL PAGES Scann g p (Count does not include cover sheet) gY: Maria Date: 3 ~~ /s/ IIIIIIIIIIIIIIIIIII Production Scanning Stage 1 Page Count from Scanned File: ~-- (Count does include cove eet) Page Count Matches Number in Scanning Preparation: YES NO BY: Maria Date:3 ~v /© /s/ ~/ Stage 1 If NO in stage 1, page(s) discrepancies were found: YES NO BY: Maria Date: /s/ this Dint unless rescanning is required. II I II'I II I II II I I III Scanning is complete at p P~eScanned II I II ~I II I I III I I III gY: Maria Date: /s/ Quality Checked III II'lII III IIII III Comments about this file: 10!6/2005 Well History File Cover Page.doc I 11/01/10 SChhR erpeP NO. 5637 Alaska Data & Consulting Services Company: State of Alaska 2525 Gambell Street, Suite 400 Alaska Oil & Gas Cons Comm Anchorage, AK 99503 -2838 Attn: Christine $harder ATTN: Beth 333 West 7th Ave, Suite 100 Anchorage, AK 99501 Well Job N Log Description Date BL Color CD MPG -13 BCRJ -00038 X -FLOW CHECK/1BPSET RECORD 09 /15/10 1 1 MPS -43 AYKP -00104 SCMT 08126/10 1 1 P7 -09 BCRJ -00036 PRODUCTION PROFILE 09/12110 1 1 W -37A 6088 -00048 MEM PRODUCTION PROFILE 09111170 1 W -31A AZ2F -00064 MEM PRODUCTION PROFILE 09/16/10 i 06 -19A AWJI -00112 MEM PRODUCTION PROFILE 09/19110 1 1 12.05AL1 BAUJ -00050 MEM PRODUCTION PROFILE 09/20/10 1 1 P1 -16 BCRJ -00049 INJECTION PROFILE 10106110 1 1 04 -03 BCRD -00059 PRODUCTION PROFILE 09127110 1 1 P -03A AZ2F -00065 MEM INJECTION PROFILE l 10106110 1 1 G -19B AWJI -00114 MEM PRODUCTION PROFILE 10/04/10 1 1 Y -36 BD88.00058 MEM GLS 10/09/10 1 i 3- 03/J -33 BCZ2 -00025 PRODUCTION PROFILE 09/11/10 1 i L -214A BAUJ -00043 MEM INJECTION PROFILE — 09/13/10 1 1 H -01A AW. 1.00118 MEM PRODUCTION PROFILE 10/14/10 1 1 16.068 BBUO -00023 PRODUCTION PROFILE BP CORRECTION 06/08/10 1 1 H -38 AZ2F -00068 MEM PRODUCTION PROFILE 10/16110 1 1 P244 BCRD -00063 PRODUCTION PROFILE 10/15/10 1 1 B -138 AYKP -00091 CH EDIT PDC -GR (SCMT) 07/02110 6 1 02 -22B 1OAKA0069 OH MWD /LWD EDIT 07107110 2 V 1 W -196 BCRJ•00034 CH EDIT PDC -GR (SCMT) 09/07/10 1 1 OWDW -SE APBPD3WELL RST EDO-PRINTS1 iZ 9V 9 09123110 1 OWDW -NW BBSK -00033 RST 09124110 1 1 PLEASE ACKNOWLEDGE RECEIPT BY SIGNING AND RETURNING ONE COPY EACH TO: BP Exploration (Alaska) Inc. Alaska Data & Consulting Services - Petrotechnical Data Center LR2 -1 2525 Gambell Street, Sufte 400 900 E. Benson Blvd, Anchorage, AK 99503 -2838 I L; Z NGV 2 UILl � Z 2dtt DATA SUBMITTAL COMPLIANCE REPORT 3/25/2010 Permit to Drill 2081670 Well Name/No. PRUDHOE SAY UNIT H-38 Operator BP EXPLORATION (ALASKIy INC API No. 50-029-23402-00-00 MD 12652 TVD 8854 Completion Date 12/10/2008 Completion Status 1-OIL Current Status 1-OIL UIC N ---- -_ REQUIRED INFORMATION ~. Mud Log No Samples No Directional Survey Yes / DATA INFORMATtDN Types Electric or Other Logs Run: Surface Gyro, MWD DIR / GR /RES, DIR / GR !RES / PWD, DIR / G (data taken from Logs Portion of Master Well Data Maint Well Log Information: Log/ Electr n~r~ ninifal nafacaf Loa Loa Rnn Interval OH / Ty Med/Frmt Number Name Scale Media No Start Stop CH Received Comments ED D Asc Directional Survey 0 12652 Open 1/5/2009 Rpt Directional Survey 0 12652 Open 1/5/2009 og Sonic 5 Col 50 9761 Case 1/16/2009 USIT, GR, CCL 10-Dec- 2008 D C Pds // 17477~Sonic 50 9761 Case 1/16/2009 USIT, GR, CCL 10-Dec- 2008 I C Lis 17514 ~uction/Resistivity 117 12652 Open 1/28/2009 LIS Veri, GR, ROP, FET, RPX, RPS, RPM, RPM, RPD, RAM, DRHO og 17514 Induction/Resistivity 25 Blu 108 12606 Open 1/28/2009 MD Vision Service 7-Dec- ~ 2008 og 17514 Induction/Resistivity 25 Blu 108 12606 Open 1!28/2009 ND Vision Service 7-Dec- - -- - - 2008 - Well Cores/Samples Information: Sample Interval Set Name Start Stop Sent Received Number Comments DATA SUBMITTAL COMPLIANCE REPORT 3125/2010 Permit to Drill 2081670 Well Name/No. PRUDHOE BAY UNIT H-38 MD 12652 TVD 8854 ADDITIONAL INFORMATION Well Cored? Y /® Chips Received? aLf~td- Analysis °f-fdQ~ Received? Completion Date 12/10/2008 Operator BP EXPLORATION (ALASYCA) INC Completion Status 1-OIL Current Status 1-OIL Daily History Received? ~/ N Formation Tops ~N API No. 50-029-23402-00-00 UIC N Comments: Compliance Reviewed By: _ Date: - _P~C~~O \_J +! M Saltmarsh, Arthur C (DOA) Page 1 of 1 From: Hubble, Terrie L [Terrie.Hubble@bp.com] Sent: Tuesday, March 03, 2009 3:00 PM To: Saltmarsh, Arthur C (DOA) Subject: PBU H-38 / PTD # 208-167 Hi Art, Please reference the following well: Well Name: PBU H-38 Permit #: 208-167 API #: 50-029-23402-00-00 Top Perf MD: 11510' Bottom Perf MD: 12530" This well began Production on February 24, 2009 Method of Operations is: Gas Lifted Date of Test: 02126!09 Hours Tested: 4 24-Hour Rate /Oil-Bbl: 4,311 24-Hour Rate /Gas-Mcf: 5,028 24-Hour Rate /Water-Bbl: 3,276 Test Rate /Oil-Bbl: 719 Test Rate /Gas-Mcf: 838 Test Rate /Water-Bbl: 546 Choke Size: 96 Gas-Oil Ration: 1,167 Flow Tubing Pressure: 280 Casing Pressure: 1,500 Oil Gravity-API: 24 3/4/2009 1~ Maunder, Thomas E (DOA) Page 1 of 1 From: Hubble, Terrie L [Terrie.Hubble@bp.com] Sent: Tuesday, January 27, 2009 11:06 AM To: Maunder, Thomas E (DOA) Subject: RE: H-38 (208-167) Hi Tom, The 10-407 is correct. I have confirmed the cementing data with our cementing engineer. The cement program was for a Class 'G' Gasblok system with silica and a yield of 1.54 cubic feet / sack. That calculates out to 266 sx Class `G'. Terrie From: Maunder, Thomas E (DOA) [mailto:tom.maunder@alaska.gov] Sent: Monday, January 26, 2009 9:15 AM To: Hubble, Terrie L Subject: H-38 (208-167) Terrie, I am reviewing the 407 recently submitted for this well and have a question. 1. What is the cement volume for the 4-1/2" liner? 266 sx is stated on the 407 however 73 bbls, which calculated to ~ 350 sx, is stated in the operations summary (12/9/08). Call or message with any questions. Tom Maunder, PE AOGCC 1 /27/2009 01 /23/09 ~chlumberger Alaska Data & Consulting Services a(~ 2525 Gambell Street, Suite 400 Anchorage, AK 99503-2838 0, a ATTN: Beth _rrJ "~ a~~ J3'~ ~QCT W/ cell 1 OV _Inh lk 1 n.. nn~..r:«H..« N0.5047 Company: State of Alaska Alaska Oil & Gas Cons Comm Attn: Christine Mahnken 333 West 7th Ave, Suite 100 Anchorage, AK 99501 n.-a., e~ n_.__ H-35 11970840 PRODUCTION PROFILE 08/12/08 1 1 -11 12111927 IBP & CROSS-FLOW STP 1 _ 11/24/08 1 1 MPS-41 11966291 SCMT - ~ 11/24/08 1 1 K-05C AWJB-00016 MEM PROD PROFILE p _ ~.5 12/29/08 1 1 14-17A AXOY-00010 MEM INJECTION PROFILE r Q -~ 01/15/09 1 1 F-33 ALYF-00010 CEMENT IMAGE LOG (p- ~'*- 12/30/08 1 1 K-16AL2 AXIA-00009 MEM PROD PROFILE b - Q 01/10/09 1 1 01-29 AP3O-00011 USIT - f 01/04/09 1 1 09-30 AY1M-00007 STATIC SPINNER &IBP .-~ L.~ 01/15/09 1 1 N-18A AZCM-00005 JEWELRY LOG/PRESS/TEMP ~ 01/06/09 1 1 R-24 AY3J-00004 USIT - 01/18/09 1 1 N-18A AWLB-00002 USIT 12/26/08 1 1 V-212 AXBD-00010 MEM INJECTION PROFILE ~ 01/16/09 1 1 V-222 ALYF-00011 INJ PROFILE/WFL -. f~'(~ 01/08/09 1 1 07-Or~3A AYOO-00009 USIT L 01/22/09 1 1 N-12 12014053 RST f - 09/30/08 1 1 E-32B AXOY-00005 MCNL 11/18/08 1 1 P2-15A 11594511 SCMT (PDC) (REVISION 2) i)~,(°,~ 06/15/07 1 B-27A 11999059 RST .®- O~ ~!~St 11/07/08 1 1 12-37 40018138 _ OHM D/LWD EDIT : f ~~- 11/07/08 2 1 N-18A 08AKA0037 OH MWD/LWD EDIT ~Q'~f - 'j 12/24/08 2 1 H-38 08AKA0031 OH MWD/LWD EDIT C 1?J07/08 2 1 -' - IL ~ . ~.-~..~ .+..........~~,...~ ...-v~.r . ~r . vnan~n~a nnv nc~ vnm~~~a vnc a.vr r ~~a~.n ~ v: BP Exploration (Alaska) Inc. Petrotechnical Data Center LR2-1 900 E. Benson Blvd. Anchorage, Alaska 99508 Date Delivered Alaska Data & Consulting Services 2525 Gambell Street, Swte 400 "^x Anchorage, AK 9~3 ~c' , • ~ ~ ATTN: Beth - ,, 9~ Received by: ~ ~; 4 ~ /;~ ( e. ~1 s 2 ~ ~ 6 ~ R~?3a~a3~`BRC,>4'i ~, •-I 01/13/09 d~~t~ml~~r~~~i Alaska Data & Consulting Services 2525 Gambell Street, Suite 400 Anchorage, AK 99503-2838 ATTN: Beth Well Job # N0.5040 Company: State of Alaska Alaska Oil & Gas Cons Comm Attn: Christine Mahnken 333 West 7th Ave, Suite 100 Anchorage, AK 99501 I nn rlncrrinfinn R~~e ~~ n-.~-.- nn 12-37 AZCM-00003 SBHP SURVEY f~~ - L. L t ~~ ) - ~~ 01!04/09 1 1 H-38 12057673 USIT ,~ ~ - '. ~ -~ 12/10/08 1 1 W-218 11968975 USIT ~_ `~ - ~~ [ •. L/'"~- (G 12/11/08 1 1 Z-09A 08AKA0020 OH MWD/LWD EDIT `_ ,~ - )~' // • _ /__ ~=~ 10/16/08 2 1 r~cr~ac r~~.nrvvw~nvaac nc~,~rr i at alarvlrv~, wrvu fst I UrirvlrvG VNt GUYY tAl:ri 1 V: BP Exploration (Alaska) Inc. Petrotechnical Data Center LR2-1 900 E. Benson Blvd. Anchorage, Alaska 99508 , , ~'. -, i' Date Delivered: x,.. Alaska Data & Consulting Services 2525 Gambell Street, Suite 409 Anchorage, AK 99503-?~ 38 ATTN: Beth ~, Received by: ~ ~~~''~~ ~~ ,~,~'~'°~I-b1 /~4~ STATE OF ALASKA ~ RECE~ ALASKA IL AND GAS CONSERVATION COM SSION WELL COMPLETION OR RECOMPLETION .REPORT AND LOG JAN ~ ~ 2009 1 a. Well Status: ®Oil ^ Gas ^ Plugged ^ Abandoned ^ Suspended zoAAC zs.~os 20AAC zs.~,o ^ GINJ ^ WINJ ^ V1/DSPL ^ WAG ^ Other No. of Completions One 1 e I a7 s: ®Devek4'~jiQr~ Exploratory ^ Service ^ Strati raphic 2. Operator Name: BP Exploration (Alaska) Inc. 5. Date Comp., Susp., or Aba 12/12008 12. Permit to Drill Number 208-167 3. Address: P.O. Box 196612, Anchorage, Alaska 99519-6612 6. Date Spudded 11/13/2008 ~ 13. API Number 50-029-23402-00-00 4a. Location of Well (Governmental Section): Surface: ' ' 7. Date T.D. Reached 12/07/2008 ~ 14. Well Name and Number: PBU H-38 FSL, 1264 FEL, SEC. 21, T11N, R13E, UM 3902 Top of Productive Horizon: 830' FSL, 495' FEL, SEC. 17, T11 N, R13E, UM 8. KB (ft above MSL): 73.25' Ground (ft MSL): 44.7' 15. Field /Pool(s): Prudhoe Bay Field / Prudhoe Bay Total Depth: 1182' FSL, 2782' FEL, SEC. 17, T11 N, R13E, UM 9. Plug Back Depth (MD+TVD) 12570' 8837' Pool 4b. Location of Well (State Base Plane Coordinates, NAD 27): Surface: x- 643326 y- 5959411 Zone- ASP4 10. Total Depth (MD+TVD) 12652' 8854' 16. Property Designation: ADL ADL047506 ~,?S' TPI: x- 638770 y_ 5961533 Zone- ASP4 - 5961843 Zone- ASP4 Total De th: x- 636476 11. SSSV Depth (MD+TVD) None 17. Land Use Permit: y p 18. Directional Survey ®Yes ^ No S bmi I ctr ni n rin inf rm ion er 2 19. Water depth, if offshore N/A ft MSL 20. Thickness of Permafrost (TVD): 1900 (Approx.) 21. Logs Obtained (List all logs here and submit electronic and printed information per 20 AAC 25.071 Surface Gyro, MWD DIR / GR /RES, DIR / GR /RES / PWD, DIR / GR /RES / NEU /DEN, US ): IT 22. CASING, LINER AND CEMENTING RECORD CASING SETTING DEPTH MD SETTING DEPTH TVD HOLE AMOUNT WT. PER FT. GRADE TOP BOTTOM TOP BOTTOM SIZE CEMENTING RECORD PULLED 15.5# rfa rf 1 4 " sx r i et ro . _ ~' ,4 ' ' ' _ " 804 sxbeepcrete, Top Job: 1522 sx Class'G' 7" 26# 25' 5 3' - /4" x Li r e 1 s la s ' ' 4-1 12.6# 13Cr-80 / L-80 761' 1 1' 7 ' 3' -1/8" x la ' 23. Open to production or inject ion? ®Yes ^ No 24. TuewG RECORD If Yes, list each i m P MD+TVD f T & B tt nterval open n Size and Number): rf r ti .SIZE DEPTH .SET MD PACKER SET MD ; ( o op o o e o a o 6 spf 2-7/8" Gun Diameter 4-1/2", 12.6#, 13Cr80 9770' 9693' , MD TVD MD TVD 11510' - 11550' 8843' - 8840' 11780' 8834' 11600' 8803' 25. ACID, FRACTURE, CEMENT SQUEEZE, ETC. - - 11830' - 12140' 8796' - 8775' DEPTH INTERVAL MD AMOUNT & KIND OF MATERIAL USED 12200' -12270' 8779' - 8784' ' ' ' ' Freeze Protected w! 73 Bbls of Diesel 12500 -12530 8823 - 8829 26. PRODUCTION TEST Date First Production: Not on Production 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 Press: CALCUwreo 24-HOUR RATE• OIL-BBL: GAS-MCF: WATER-BBL: OIL GRAVITY-API (CORK): 27. CORE DATA Conventional Core(s) Acquired? ^Yes ®No Sidewal l Core S A wired? ^Yes ®No If Yes to either question, list formations and intervals cored (MD+TVD of top and bottom of each), and summarize lithology and presence of oil, gas or water (submit separate sheets with this form, if needed). Submit detailed descriptions, core chips, photographs and laboratory analytical results per 20 AAC 250.071. None ~ l' ~ ~° 1_' qi ..... ~ I Y it ~ ~ ~U~~ ~~7 ~~ ~i a corm 7v-aoi rtevlsea urr~uui L.orarwUED vl~ R(Ea/E I ~ . I ~ ~~~ G 28. GEOLOGIC MARKERS (LIST ALL FORMATIONS AND RS ENCOUNTERED): 29. FORMATION TESTS NAME MD TVD Well Tested? ^ Yes ®No Permafrost Top 74' 74' If yes, list intervals and formations tested, briefly summarizing test results. Attach separate sheets to this form, if needed, and submit Permafrost Base 2119' 1980' detailed test information per 20 AAC 25.071. Sag River 9939' 8525' None Shublik 9983' 8560' Sadlerochit 10149' 8651' 45P 10294' 8702' 44P 10369' 8724' 43N 10485' 8755' 42N 10562' 8778' Top CGL /Zone 3 11302' 8842' Top CGL /Zone 3 11370' 8845' 42N 11727' 8811' 43N 11824' 8797 43P 12540' 8831' Formation at Total Depth (Name): 43P 12540' 8831' 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. ~I / D ~~ ate ( Signed Terris Hubble Title Drilling Technologist PBU H-38 208-167 Prepared By Name/Number. Terris Hubble, 564-4628 Well Number P rm' N . / A r I N Drilling Engineer: Travis Peltier, 564-4511 INSTRUCTIONS GeNeRA~: This form is designed for submitting a complete and correct well completion report and log on all types of lands and leases in Alaska. Submit a well schematic diagram with each 10-407 well completion report and 10-404 well sundry report when the downhole well design is changed. ITEM 1a: Classification of Service Wells: Gas Injection, Water Injection, Water-Alternating-Gas Injection, Salt Water Disposal, Water Supply for Injection, Observation, or Other. Multiple completion is defined as a well producing from more than one pool with production from each pool completely segregated. Each segregated pool is a completion. IreM 4b: TPI (Top of Producing Interval). ITEM 8: The Kelly Bushing and Ground Level elevation in feet above mean sea level. Use same as reference for depth measurements given in other spaces on this form and in any attachments. IreM 13: The API number reported to AOGCC must be 14 digits (ex: 50-029-20123-00-00). IreM 20: Report true vertical thickness of permafrost in Box 20. Provide MD and ND for the top and base of permafrost in Box 28. IreM 22: Attached supplemental records for this well should show the details of any multiple stage cementing and the location of the cementing tool. IreM 23: If this well is completed for separate production from more than one interval (multiple completion), so state in item 1, and in item 23 show the producing intervals for only the interval reported in item 26. (Submit a separate form for each additional interval to be separately produced, showing the data pertinent to such interval). IreM 26: Method of Operation: Flowing, Gas Lift, Rod Pump, Hydraulic Pump, Submersible, Water Injection, Gas Injection, Shut-In, or Other (explain). IreM 27: Provide a listing of intervals cored and the corresponding formations, and a brief description in this box. Submit detailed description and analytical laboratory information required by 20 AAC 25.071. IreM 29: Provide a listing of intervals tested and the corresponding formation, and a brief summary in this box. Submit detailed test and analytical laboratory information required by 20 AAC 25.071. Form 10-407 Revised 02/2007 Submit Original Only gp Page 1 of 1 Leak-Off Test Summary Legal Name: H-38 Common Name: H-38 --- -_ _ Test Date -- Test Type Test Depth (TMD) Test Depth (TVD) AMW Surface Pressure - - Leak Off Pressure (BHP) - _ EMW ____ 11/24/2008 FIT (ft) (ft) (ppg) (Psi) (Psi) (PPg) 11/28/2008 FIT 3,630.0 (ft) 3,205.0 (ft) 8.80 (ppg) 666 (psi) 2,131 (psi) 12.80 (ppg) 11/29/2008 FIT (ft) (ft) (ppg) (psi) (psi) (ppg) 11/28/2008 FIT 3,599.0 (ft) 3,205.0 (ft) 8.80 (ppg) 666 (psi) 2,131 (psi) 12.80 (ppg) 12/3/2008 FIT (ft) (ft) (PPg) (Psi) (psi) 12.82 (ppg) 12/5/2008 FIT 9,959.0 (ft) 8,544.0 (ft) 8.40 (ppg) 1,080 (psi) 4,808 (psi) 10.83 (ppg) Printed: 12/30/2008 12:37:34 PM ~ ~ BP Operations Summary Report Legal Well Name: H-38 Page 1 of 21 ~ Common Well Name: H-38 Spud Date: 11/13/2008 Event Name: DRILL+COMPLETE Start: 11/12/2008 End: 12/12/2008 Contractor Name: NABOBS ALASKA DRILLING I Rig Release: 12/12/2008 Rig Name: NABOBS 7ES Rig Number: Date From - To Hours Task Code NPT Phase Description of Operations 11/10/2008 19:00 - 00:00 5.00 MOB P PRE Relased from 12-37 and standing by to lay down derrick (high 11/11/2008 00:00 - 08:00 8.00 MOB N WAIT PRE 08:00 - 00:00 16.00 MOB P PRE 11/12/2008 00:00 - 07:30 7.50 MOB P PRE 07:30 - 18:00 10.50 MOB P PRE 18:00 - 21:00 3.00 MOB P PRE 21:00 - 00:00 3.00 MOB P PRE 11/13/2008 00:00 - 04:00 4.00 BOPSU P PRE 04:00 - 05:30 1.50 BOPSU P PRE 05:30 - 07:30 2.00 BOPSU N MISC PRE 07:30 - 11:00 3.50 BOPSU P PRE 11:00 - 12:00 1.00 BOPSU P PRE 12:00 - 14:00 2.00 BOPSU P PRE 14:00 - 14:30 0.50 BOPSU P PRE 14:30 - 15:30 1.00 BOPSU P PRE 15:30 - 16:30 1.00 BOPSU~ P PRE 16:30 - 20:00 3.50 DRILL P SURF 20:00 - 00:00 4.001 DRILL P SURF 111/14/2008 ~ 00:00 - 12:00 ~ 12.00 ~ DRILL ~ P ~ ~ SURF 12:00 - 00:00 I 12.001 DRILL I P I I SURF winds) Pre-Spud with Turner's crew in Pre tour meeting. Wait on wind to lower derrick and move to H-38 Lay down derrick and start move to H-38 Move from 12-37 to H-38. Arrive on location at 0730 hrs Prepare pad, lay down herculite and rig mats. Spot up sub and pits. Inspect derrick prior to raising. PJSM, raise derrick, hook up lines to rig floor and pits. Accept rig at 2100hrs. , PJSM, nipple up surface stack, riser and diverter line. Bring spud mud in to the pits. Continue nippling up diverter equipment. Strap and tally 93 jts of 4" drillpipe and 23 joints of 4" HWDP. Install walkways in the cellar and clean the rig. Run in hole with 4 joints of 4" drillpipe and magnet to fish chain binder from conductor. Chain binder fished successfully. Rig down magnet. Pick up and stand back 93 jts of 4" drillpipe AOGCC (Jeff Jonesl witnessed diverter teat. Knive valve full open in 28 secs, annular preventer full closed in 45 secs. Pick up and rack back 23 joints of 4" HWDP, jars, spiral drill collars. Pre-Spud safety meeting with Johnston crew Make up 12 1/4" Drilling BHA: 12 1/4" MXL-iX bit, 1.50* Mud Motor, ARC8, MWD, UBHO, stabalizer PJSM with rig crew, SperrySun, and GyroData, rig up to run Gyro Spud well at 1630 hrs. Drill 12 1/4" surface hole from 108' to 250' with bit, motor, ARC8, MWD, UBHO, stablizer and HWDP - Pumps: 450 gpm at 570 psi (490 psi off bottom) - PUW 40k, SOW 40k, ROT 40k - 40 rpm at 3k/ft-Ibs (1k/ft-Ibs off bottom) Circulate bottoms up and POH to make up remainder of the BHA Drill surface hole from 250' to 405' - Pumps: 550 gpm at 1000 psi (930 psi off bottom) - PUW 50k, SOW 50k, ROT 50k - 40 rpm at 2.5k/ft-Ibs (1 k/ft-Ibs off bottom) - AST: 1.80 hrs, ART: 2.65 hrs, ADT: 4.45 hrs, Jars: 101.25 Mud weight in/out - 8.8 ppg at 48* / 8.8 ppg at 43* Continue to drill 12 1/4" surface hole from 405' to 1004' - Pumps: 550 gpm at 1530 psi (1430 psi off bottom) - PUW 60k, SOW 55k, ROT 55k - 40 rpm at 2.5k/ft-Ibs (1 Wft-Ibs off bottom) -AST 6.82 hrs, ADT 8.47 hrs Mud weight in/out - 9.1 ppg at 46* / 9.1 ppg at 48* Continue to drill 12 1/4" surface hole from 1004' to 1673'. -Pumps: 542 gpm at 1846 psi (1730 psi off bottom) -PUW 75k, SOW 64k, ROT 68k -40 rpm at 4k/ft-Ibs (3k/ff-Ibs off bottom) PfIfllQtl: 12/302UUtl 1"L:3 /:44 PM BP Operations Summary Report Legal Well Name: H-38 Common Well Name: H-38 Event Name: DRILL+COMPLETE Contractor Name: NABOBS ALASKA DRILLING Rig Name: NABOBS 7ES Date From - To Hours ' Task Code NPT 11/14/2008 12:00 - 00:00 12.00 (DRILL P 11/15/2008 100:00 - 05:30 5.501 DRILL P 05:30 - 06:30 1.001 DRILL P 06:30 - 07:00 I 0.501 DRILL I P 07:00 - 08:00 I 1.001 DRILL I P 08:00 - 10:30 I 2.501 DRILL I P 10:30 - 11:30 I 1.001 DRILL I P 11:30 - 12:30 I 1.001 DRILL I P 12:30 - 13:30 1.001 DRILL ~ P 13:30 - 14:00 ~ 0.50 ~ DRILL ~ P 14:00 - 21:00 I 7.001 DRILL I P Start: 11 /12/2008 Rig Release: 12/12/2008 Rig Number: Page 2 of 21 Spud Date: 11 /13/2008 End: 12/12/2008 Phase Description of Operations SURF -AST 7 hrs, ADT 8.42 hrs Mud in/out - 9.2 ppg at 300 vis, temperature 46* / 9.2 ppg at 48" Adding H2O at 65 bbl/hr. SURF Continue to drill 12 1/4" surface hole from 1673' to wiper trip point at 2054'. -Pumps: 550 GPM at 1950 psi (1900 psi off bottom) -40 rpm at 4-5k/ft-Ibs (3k/ft-Ibs off bottom) Mud in/out - 9.2 ppg at 400 vis, temperature 46' / 9.2 ppg at 48' Adding H2O at 50 bbl/hr. SURF Back ream slowly while circulating bottoms up X2 from 2054' to 1,865'. 550 GPM @ 1880 psi, 40 RPM C~3 4.3 Kft/Ibs 50% reduction in cuttings after 1st bottoms up, 67% reduction after 2nd bottoms up MW in 9.2 ppg, out 9.2 ppg Monitor well, well static SURF Pull out of hole from 1865' to 1725', looks like we are dragging somethin alon side of us. SURF Kelly up and back ream from 1,725'to 1,270'. 235 GPM C~ 535 psi, 40 RPM ~ 4-11 Kft/Ibs Attempt straight pull multiple times without success, 1,450' to 1,570' tight both in and out of hole. Intermittent pack offs while back reaming out of hole, loss 360 bbls durino trip out of hole. Started stringing in Nut Plug and Mix II LCM. Mixture of pea gravel, sand, and wood coming across shakers. SURF Circulate bottoms up while waiting on new mud, ream from 1,270' to 865'. initial 235 GPM C~ 535 psi, stage up to 500 GPM ~ 1,230 psi SURF Run in hole from 865'to 1,250', looks like something is still along side us, cannot move up or down without rotating. Kelly up and ream through multiple tight spots. 150 GPM C~ 535 psi, 40 RPM ~ 4-10 Kft/Ibs SURF Circulate bottoms up to condition mud. Stage pumps up from 150 GPM C~ 530 psi to 500 GPM ~ 1,500 psi 40 RPM ~ 4 Kft/Ibs SURF Attem t to tri in hole on elevators without success. Ream from 1,250' to 2,054', cannot move without rotation. 150 GPM ~ 550 psi, 40 RPM ~ 4-11 KfUlbs SURF Stage pumps up to drilling rate. Initial 170 GPM ~ 550 psi Final 550 GPM ~ 2030 psi Obtain full drilling rate with no losses before going back to drillin SURF Continue to drill 12 1/4" surface hole from 2054' to 2828'. -Pumps: 600 GPM at 2820 psi (2530 psi off bottom) -80 rpm at 7.1 k/ft-Ibs (4.6k/ft-Ibs off bottom) -PUW 71 k, SOW 40k, ROT 53k Mud in/out - 9.2 ppg at 400 vis, temperature 46' / 9.2 ppg at 48' Adding H2O at 50 bbl/hr. Printed: 12/30/2008 12:37:44 PM ~ ~ BP Operations Summary Report Page 3 of 21 ~ Legal Well Name: H-38 Common Well Name: H-38 Spud Date: 11/13/2008 Event Name: DRILL+COMPLETE Start: 11/12/2008 End: 12/12/2008 Contractor Name: NABOBS ALASKA DRILLING I Rig Release: 12/12/2008 Rig Name: NABOBS 7ES Rig Number: Date From - To Hours Task Code NPT Phase Description of Operations 11/15/2008 121:00 - 23:00 2.00 DRILL N SFAL SURF 23:00 - 00:00 1.001 DRILL P SURF 111/16/2008 100:00 - 00:30 0.501 DRILL P SURF 00:30 - 01:00 0.501 DRILL N SFAL SURF 01:00 - 07:30 6.501 DRILL P I SURF 07:30 - 15:00 7.501 DRILL P I SURF 15:00 - 16:00 1.001 DRILL P SURF 16:00 - 18:00 2.001 DRILL P SURF 18:00 - 19:00 1.001 DRILL P SURF 19:00 - 20:30 1.50 DRILL P SURF 20:30 - 21:30 1.00 DRILL P SURF 21:30 - 22:30 I 1.001 DRILL I P I I SURF Washout in middle discharge valve and seat of mud pump 1. Change out. Reciprocate 70' strokes while repairing pump. -325 gpm at 1045 psi -35 rpm at 4k/ft-Ibs Continue to drill 12 1/4" surface hole from 2828' to 2916'. -Pumps: 600 GPM at 2955 psi (2750 psi off bottom) -80 rpm at 7k/ft-Ibs (5k/ft-Ibs off bottom) -PUW 92k, SOW 62k, ROT 76k Mud in/out - 9.2 ppg at 310 vis, temperature 48* / 9.2 ppg at 50* Adding H2O at 60 bbl/hr. Continue to drill 12 1/4" surface hole from 2916' to 2980'. -Pumps: 600 GPM at 2955 psi (2795 psi off bottom) -80 rpm at 7k/ft-Ibs (5k/ft-Ibs off bottom) - PUW 92k, SOW 62k, ROT 76k Mud in/out - 9.4 ppg at 400 vis, temperature 50* / 9.4 ppg at 56* Adding H2O at 100 bbl/hr. Washout in middle discharge valve and seat of mud pump 2. Change out. Reciprocate 70' strokes while repairing pump. -317 gpm at 1050 psi Continue to drill 12 1/4" surface hole from 2980' to TD at 3610'. -Pumps: 600 GPM at 3110 psi (2990 psi off bottom) -80 rpm at 7k/ft-Ibs (5k/ft-Ibs off bottom) -PUW 105k, SOW 75k, ROT 85k Mud in/out - 9.4 ppg at 400 vis, temperature 50* / 9.4 ppg at 56* Adding H2O at 100 bbl/hr. Backream out of hole from 3610' to 1004'. -Pumps: 500 gpm at 1460 psi -50 rpm at 2k/ft-Ibs -PUW 105k, SOW 75k, ROT 85k Circulate and reciprocate from 1100'-909'. -Pumps: 555 gpm at 1638 psi -50 rpm at 2k/ft-Ibs ~ PUW 60k, SOW 40k Circulated 6 BU; gravel ran continuously.. Wash and ream from 909'to 1700'. -Pumps: 200 gpm at 980 psi -30 rpm at 3k/ft-Ibs CBU x2 at 1700' ea ravel wood sand and cla across shak rs. -Pumps: 550 gpm at 1910 psi -50 rpm at 3k/ft-Ibs Wash and ream from 1700' to 2800'. CBU x2 at 2800'; pea gravel, wood, sand, and clay across shakers. -Pumps: 560 gpm at 2580 psi -50 rpm at 4k/ft-Ibs -PUW 98k, SOW 62k Wash and ream from to 2800' to bottom at 3610'. rnnceo: iuawzuuo icai:vv rm gP Page 4 of 21 Operations Summary Report Legal Well Name: H-38 Common Well Name: H-38 Spud Date: 11/13/2008 Event Name: DRILL+COMPLETE Start: 11/12/2008 End: 12/12/2008 Contractor Name: NABOBS ALASKA DRILLING I Rig Release: 12/12/2008 Rig Name: NABOBS 7ES Rig Number: Date From - To ~! Hours Task I' Code NPT Phase Description of Operations 11/16/2008 21:30 - 22:30 1.00 DRILL P SURF -No fill on bottom 22:30 - 00:00 1.50 DRILL P SURF Pump 40 bbl high vis sweep S-S with nut plug. Calculated S-S 11/17/2008 00:00 - 01:00 1.00 DRILL P SURF 01:00 - 03:00 2.00 DRILL P SURF 03:00 - 04:00 I 1.001 DRILL I P I I SURF 04:00 - 08:30 4.50 DRILL P SURF 08:30 - 11:00 2.50 DRILL P SURF 11:00 - 13:00 2.00 CASE P SURF 13:00 - 14:30 1.50 CASE P SURF 14:30 - 16:30 I 2.001 CASE I P I I SURF 16:30 - 20:30 4.00 CASE I P SURF 20:30 - 00:00 3.50 CASE P SURF 11/18/2008 00:00 - 00:30 0.50 CASE P SURF 00:30 - 04:00 3.50 CASE P SURF 04:00 - 06:00 2.00 CASE P SURF 06:00 - 17:00 11.00 CASE N DPRB SURF 17:00 - 22:30 5.50 CASE N DPRB SURF volume 500 bbls; saw nut plug at surface with 860 bbls pumped. -Pumps: 610 gpm at 3143 psi -70 rpm -PUW 110k, SOW 65k, ROT 87k Finish pumping high-vis sweep S-S. Attempt to pull 1 stand on elevators; saw 50-80k overpull. Wash and ream back to bottom, backream out of hole from 3160' to BPRF at 2125'. -Pumps: 500 gpm at 2330 psi. -60 rpm at 5Wft-Ibs CBU at 2125'. -Pumps: 520 gpm at 1860 psi. -60 rpm at 4Wft-Ibs. Backream out of hole from 2125' to BHA at 400'. LD 12 1/4" drilling BHA. Clean and clear floor. RU to run 9 5/8" 40# L-80 BTC surface casing. Make dummy run with casing hanger. Run 9 5/8" casing to 437'. Stack out at 437; (Joint 11); wash down Joint 11. -PUW 40k, SOW 39k Run 9 5/8" casing from 437' to 1,617', breaking circulation every 10 joints. ~ 770' (Joint 20): 48 SPM at 180 psi; PUW 58k, SOW 50k ~ 1,160' (Joint 30): 47 spm at 223 psi; PUW 70k, SOW 50k ~ 1,600' (Joint 40): 49 spm at 254 psi; PUW 85k, SOW 65k. Stack out at 1,617' (Joint 41). Work through, then wash down 3 joints (Joints 41-43) to 1,720' at 50 spm, 260 psi. -Work past ledges at 1,702' and 1,707'. Wash down 2 joints (Joints 44-45) from 1,720' to 1,800' at 100 spm, 530 psi. PUW 105k, SOW 70k. Wash down 9 5/8" 40# casing from 1,800' to 1,842' -Casing stacking out hard at 1,842' (Joint 46) Attempt to work casing past obstruction at 1.842'. -No progress -PUW 90k, SOW 75k Circulate in lubricants while continuing to work pipe at 1,842' Continue attempt to work casing past obstruction at 1,842' using weight of top drive . -No progress -Inital 7 bpm at 580 psi (4" of gravel running across shakers), final 7 bpm at 380 psi (1/4" gravel running across shakers) -No indication of packing off -Shakers cleaned up of gravel running with several bottoms up POH with 9 5/8" casing to change out to 12 1/4" ho opener BHA -Pump dry job, LD 7 jts of casing one-by-one -Inspect box and pin of each joint for re-use Printed: 12/30/2008 12:37:44 PM ~` BP Page5of21 Operations Summary Report Legal Well Name: H-38 Common Well Name: H-38 Spud Date: 11/13/2008 Event Name: DRILL+COMPLETE Start: 11/12/2008 End: 12/12/2008 Contractor Name: NABOBS ALASKA DRILLING I Rig Release: 12/12/2008 Rig Name: NABOBS 7ES Rig Number: Date From - To ,Hours Task Code NPT Phase Description of Operations 11/18/2008 17:00 - 22:30 5.50 CASE N DPRB SURF 22:30 - 00:00 1.50 CASE N DPRB SURF 11/19/2008 (00:00 - 07:00 7.00 CASE N I DPRB SURF 07:00 - 09:30 I 2.501 CASE I N I DPRB I SURF 09:30 - 13:00 3.501 CASE N DPRB SURF 13:00 - 20:00 7.00 ~ CASE ~ N ~ DPRB ~ SURF 20:00 - 21:30 1.50 CASE N DPRB SURF 21:30 - 22:30 1.00 CASE N DPRB SURF 22:30 - 00:00 1.50 CASE N DPRB SURF 11/20/2008 100:00 - 12:00 12.00 CASE N DPRB SURF 12:00 - 00:00 12.00 CASE N DPRB SURF -PUW 90k, SOW 65k RD 350 ton pneumatic elevators and slips -PJSM on RD procedure -RD elevators and slips -RU side door elevators -LD Frank's Fill-up tool -Blow down top drive -Clear and clean rig floor -PJSM with incoming crew POH with 9 5/8" 40# casing from 1,442' and to surface -LD casing one-by-one inspecting box and pin -Total of 18 joints (out of 46 jts) with damaged threads RD casing handling equipment -Clear floor and clean rig -PJSM with crew, WSL, DD on MU hole cleaning BHA PU 12 1/4" hole opener BHA -12 1/4" roller cone hole opener, Drill Collars, Stabilizer, Ghost Reamer, jars, 4" HWDP RIH with hole opener BHA on 4" DP -Wash down, ream through several areas: 438' to 690', 690' to 1,612', encountered obstruction,. from 1,612'to 1,920', 1,920'to 2,340' and -While washing down, pumps at 264 gpm, 680 psi and rotation at 25 rpm -RIH with no problems from 2,340' to 3,610' and Circulate bottoms up while reciprocating, rotating -601 gpm, 3128 psi -Rotate at 60 rpm, 5k torque -PUW 120k, SOW 70k, ROT Wt 90k -Circulated 1438 bbls; MW in and out 9.5 ppg -Monitor well -Static POH from 3,610' to 3,563' and -40k overpull at 3,563' Backream and pumpout from 3,563' to 3,486' and -250 gpm, 1000 psi -Rotate at 45 rpm, 6-12k torque Backream and pump out of hole with 12 1/4" hole opener BHA on 4" DP from 3,486' to 3,391' and -PUW 110k (40-60k overpull in several places), SOW 75k, ROT Wt 90k -Work string out of hole using various techniques -Encountered intermitent partial packoffs and unable. to rotate at times -100 to 550 gpm, 700 to 2790 psi -Rotate at 40-50 rpm, 5-20k ft/Ibs torque -PJSM with incoming crew -Working pipe in 5' strokes, difficulty moving up and down from 3,456' to 3,450' and POH from 3,391' to 3,322' and -Backream and pump out, varying pump rates 100 to 550 gpm and rotating 40-80 rpm with 7-18k torque -Once full stand POH, run back into hole reaming and pumping to clean tight spots and then POH Printed: 12/30/2008 12:37:44 PM 4 gP Page 6 of 21 ~ Operations Summary Report Legal Well Name: H-38 Common Well Name: H-38 Spud Date: 11/13/2008 Event Name: DRILL+COMPLETE Start: 11/12/2008 End: 12/12/2008 Contractor Name: NABOBS ALASKA DRILLING I Rig Release: 12/12/2008 Rig Name: NABOBS 7ES Rig Number: bate ~ From - To ~,~ Hours Task ~ Code ~ NPT j Phase ~~ Description of Operations 11/20/2008 ~ 12:00 - 00:00 12.00 CASE N DPRB SURF --__ -Very tight area at 3,340' with occassional packoff and 11/21/2008 100:00 - 00:30 0.501 CASE N ~ DPRB ~ SURF 00:30 - 02:00 I 1.501 CASE N I DPRB ~ SURF 02:00 - 06:30 4.501 CASE N ~ DPRB ~ SURF 06:30 - 08:30 I 2.001 CASE I N I DPRB I SURF 08:30 - 12:30 4.00 ~ CASE N DPRB ~ SURF 12:30 - 14:45 2.251 CASE N DPRB SURF 14:45 - 00:00 9.25 ~ CASE ~ N ~ DPRB ~ SURF 11/22/2008 100:00 - 02:00 2.00 ~ CASE ~ N ~ DPRB I SURF 02:00 - 02:45 ~ 0.75 ~ CASE ~ N ~ DPRB ~ SURF unable to move up or down without overpull or jarring -Shakers relatively clean Backream and pump out from 3,322' to 3,220' and -Start pulling with 10k overpull and work up to 40k while rotating at 70 rpm with 6-18k ft/Ibs torque -At rotary stall, work string down to break free and re-establish rotation -Pumps at 530 gpm, 2100 psi Work pipe up and down several times from 3,220'to 3,150' and -Pull with 10k overpull and work up to 40k while rotating at 70 rpm with 6-18k ft/Ibs torque -Rotary quit stalling above 3,150' md, able to pull without rotating or pumping -Wash back down from 3,100' to 3,200' and with 250 gpm at 900 psi and no rotation -Did not encounter ledge at top of recorded shale at 3,200' and Backream with constant pull to 1,880' and -Able to pull at 45 rpm and 6-9k ft/Ibs torque -Pumps at 540 gpm, 1990 psi -Slide every stand back down with no rotation while pumping 250 gpm at 900 psi -Shakers relatively clean with each slide and pull back out -PUW 110k, SOW 60k, ROT Wt 80k Pump out of hole to 1,194' and -Pumps at 568 gpm, 1362 psi -POH from 1,194' to 200' with no problem; no backream or pumping out -Stand back 4" HWDP into derrick Stand back DCs into derrick -Swap out 12 1/4" roller cone hole opener with 12 1/4" near bit stabilizer and used 12 1/4" bit_; -RIH with bit, stabilizer, DCs, HWDP on 4" DP RIH with cleanout BHA to 1,855' and -No problems running in up to this point -Sliding with no pumps or rotation RIH from 1,855' to 2,998' and by reaming and pumping -Unable to make progress without reaming through most of this section -Pump rates varied from 55 to 70 gpm, 440-540 psi -20-25 rpm, 5.5-11 k ft/Ibs torque -Increased pump rates did not help clean hole or help with moving down -PUW 110k, SOW 60k, ROT Wt 70k RIH from 2,998' to 3,166' and by reaming and pumping -Stalled rotary several times when picking string up into formation to increase circulation or prevent packoff at 3,160' -Restricted circulation and rotation from 3,150'to 3,166' and No returns able to rotate and move sine at 3.166' md. -Work pipe up and down and slowly rotate -Stage pumps up to 57 gpm with 1280 psi -Continue to work pipe until circulation improves Printed: 12/30/2008 12:37:44 PM i t gp Page 7 of 21 Operations Summary Report Legal Well Name: H-38 Common Well Name: H-38 Spud Date: 11/13/2008 Event Name: DRILL+COMPLETE Start: 11/12/2008 End: 12/12/2008 Contractor Name: NABORS ALASKA DRILLING I Rig Release: 12/12/2008 Rig Name: NABORS 7ES Rig Number: i Date From - To Hours Task Code NPT ~ Phase Description of Operations - - - 11/22/2008 02:00 - 02:45 0.75 CASE N DPRB SURF -Full returns and able to stage pumps up to 550 gpm 02:45 - 06:00 3.25 CASE N DPRB SURF RIH to TD at 3,610' and by reaming and pumping -Increase rotations to 55 rpm, 8k Wlbs torque -Pumps at 600 gpm, 2915 psi -Small amounts of sand across shakers -Tag TD, pick-up and tag again with no problems 06:00 - 14:30 8.50 CASE N DPRB SURF POH with cleanout BHA -Backreaming and pump out from 3,030' to 1,950' with 62-450 gpm, 580-1250 psi, 20-70rpm, 8-15k ft/Ibs torque -Pump out from 1,950' to 361' with 123 gpm, 202 psi -Straight pull from 361' to 212' 14:30 - 16:30 2.00 CASE N DPRB SURF Stand back HWDP, 6 1/2" DCs -LD 8" DCs, stabilizer and bit -12 1/4" near bit stabilizer 5/8" under gauge -12 1/4" bit 1/16" under gauge 16:30 - 22:00 5.50 CASE N DPRB SURF RU for 9 5/8" 40# L-80 casin run -Change out saver sub in top drive -LD bales -Clear and clean rig floor for Tesco Casino Drive Svstem -PJSM with Tesco personnel, WSLs, Toolpusher, crew -Mobilize Tesco Casing equipment to floor -RU Tesco hydraulics, control panel, service loop in derrick and equipment -RU 350 ton slips 22:00 - 23:30 1.50 CASE N DPRB SURF MU "Warthog" reaming shoe -PU "Warthog" shoe and first three joints of casing (w/float collar) and Baker-Lok connections -PU pup joint, Baker-Lok to joint #3 -Test float -okay -Pup joint threads galled during MU 23:30 - 00:00 0.50 CASE N SFAL SURF Backout pup joint from casing collar -Inspect threads on joint and collar; both galled -PJSM with incoming crew, Tesco rep, WSL, Tourpusher 11/23/2008 00:00 - 01:00 1.00 CASE N SFAL SURF Heat, break Baker-Lok casing connection off of joint 3 -Cool connection, clean threads, MU new collar to joint 3 with Baker-Lok 01:00 - 05:00 4.00 CASE N DPRB SURF RIH with 9 5/8" 40# L-80 BTC casing using Tesco Casing Drive System (CDS) -Joints 4-89 and Tam Port Collar have torque rings installed -Pup Joint is placed between joints 32 and 33 -Average of 18 joints per hour being run with Tesco system 05:00 - 07:00 2.00 CASE N DPRB SURF RIH with 9 5/8" 40# L-80 BTC casing using Tesco Casing Drive System (CDS) -Pump down with casing from 1,600' to 1,810' and -125 gpm, 105 psi -Ta ed u at 1,810' md~ start rotatin 07:00 - 00:00 17.00 CASE P SURF RIH with 9 5/8" 40# L-80 BTC casing using Tesco Casing Drive System (CDS) to 3,602' and -Pump and Ream with "Warthog" to make r~ogress all the wa ~ from 1,810'to 3,602' and -Tam port collar inserted between joints 77 and 78 at 512' and -200-250 gpm, 230-335 psi -10-20 rpm, 6.5-12k fUlbs torque rnrnea: iusuizuuo irsrvv rm Y ~ ~ gP Page 8 of 21 Operations Summary Report Legal Well Name: H-38 Common Well Name: H-38 Spud Date: 11/13/2008 Event Name: DRILL+COMPLETE Start: 11/12/2008 End: 12/12/2008 Contractor Name: NABOBS ALASKA DRILLING I Rig Release: 12/12/2008 Rig Name: NABOBS 7ES Rig Number: Date From - To Hours Task Code NPT Phase Description of Operations 11/23/2008 ~ 07:00 - 00:00 ~ 17.00 ~ CASE ~ P ~ ~ SURF -PUW 150k, SOW 55k, ROT Wt 90k 11/24/2008 100:00 - 02:30 I 2.501 CASE I P 02:30 - 04:30 2.00 ~ CASE ~ P 04:30 - 08:30 ~ 4.00 ~ CEMT i P 08:30 - 11:00 I 2.501 CEMT I P 11:00 - 12:00 I 1.001 CEMT I P 12:00 - 13:30 1.50 CEMT i P 13:30 - 16:00 I 2.50 I CEMT I P 16:00 - 20:15 I 4.251 CEMT I P -Average time of 3 joints an hour reaming down -PU spare casing joint, not landing joint made to hanger, RIH to 3,602' and -Rotate and reciprocate string to ensure hole cleaning and ability to tag bottom with no problems -PJSM with incoming crew on RD of Tesco unit and upcoming cement job SURF Rotate and reciprocate casing string; circulate bottoms up to evaluate mud condition -60 rpm, 6-19k ft/Ibs torque -340 gpm, 540 psi SURF MU landing joint, land han er -RD 350 ton slips -RD Kelly hose on top drive -RU cementing 2" hose to top drive with 4" to 2" swedge SURF Circulate surface to surface 3 times to condition mud and wellbore for cementing -Initial circulation ressure for 6 b m 660 si -Final circulation ressure for 6 bpm 475 psi ' -PJSM with crew, SLB, CH2mHill, Mud Engineer Toolpusher, WSL on cement job SURF Cement 9 5/8" 40# L-80 BTC casin throu h to drive -Pump 10 bbls of Mud Push II -Test lines to 3500 psi -Pump 60 bbls 10.0 ppg Mud Push II Spacer -Drop bottom plug; positive indication plug dropped -Pump 552 bbls of 10.7 ppg DeepCRETE lead slurry per SLB cementing program -Stopped pumping due to time limitation on cement pumpability and pressure increase in the annulus -96 bbls cement left in casing; estimate TOC at 1,266' and -Shoe at 3,599' md; collar at 3,516' and -Attempt to reciprocate failed; stuck pipe ~ two feet above original set mark (mandrel hanger not landed) SURF Continue attempts to free pipe and establish circulation - no go -RD cementing equipment -PJSM with incoming crew SURF Use SLB pump to flush cement /mud from all lines and top drive with water -Drop top plug and displace with rig pumps with 96 bbls mud; pressured up to 3300 psi -Use SLB pumps to pump 6 bbls water; pressured up to 5000 psi -Clear and clean rig floor SURF Blow down lines and attempt to reciprocate string - no go -Pull string to 400k, set on sli s with 300k -LD top portion of landing joint -PJSM on RD of Tesco equipment -LD Tesco equipment SURF Notif AOGCC re Chuck Scheve of cement'ob results at 16:10 hrs~ . stated he is tied up with another job for 24 hrs and told rig to Printed: 12/30/2008 12:37:44 PM ~ ~ gp Page 9 of 21 Operations Summary Report Legal Well Name: H-38 Common Well Name: H-38 Spud Date: 11/13/2008 Event Name: DRILL+COMPLETE Start: 11/12/2008 End: 12/12/2008 Contractor Name: NABOBS ALASKA DRILLING I Rig Release: 12/12/2008 Rig Name: NABOBS 7ES Rig Number: Date ;From - To ;Hours Task Code' NPT Phase Description of Operations 11/24/2008 16:00 - 20:15 4.25 CEMT P SURF proceed with Tam Port Collar contingency. Also told rig to call Tom Maunder in town regarding situation. -RD cement hose -MU Kelly hose to top drive -PJSM on changing out saver sub; change it out -RU bales -Move 8 stands HWDP from off driller side to driller side to make room for 4" dp necessary for future ops -Service top drive 20:15 - 21:45 1.50 CEMT N RREP SURF Troubleshooting by rig electrician previous two hours -Crew able to work around electrician to complete all essential tasks for moving forward -Electrician continued to work to repair top drive (relays tripped could not rotate top drive) but did not have parts; ordered parts 21:45 - 00:00 2.25 CEMT P SURF PU Tam Port Collar running tool -RIH to 517' and -Open Tam Port Collar -Pressure up to 1260 psi with 1/2 bbl mud; no circulation, bleed pressure off -Pressure up to 1500 psi with 1/2 bbl mud; no circulation, bleed pressure off -Unable to circulate through Tam Port Collar; close ports -Notified Drilling Engineer Frank Roach and AOGCC rep Chuck Scheve about not being able to circulate through Tam Port for secondary cement job -Chuck Scheve advised rig to proceed with top job and_ waived witness of cement to surface -R cement ose -PJSM with incoming crew 11/25/2008 00:00 - 01:00 1.00 CEMT P SURF POH with Tam Port Collar running tool -LD running tool 01:00 - 02:30 1.50 CEMT P SURF RD false bowl and slips -RU 350 ton elevators -Pull slips on 9 5/8" casing -Back landing joint out of hanger assembly -LD 350 ton elevators 02:30 - 05:00 2.50 DIVRTR P SURF ND 20" diverter and diverter line -Inspect mandrel hanger assembly -Center casing in 20" conductor 05:00 - 07:00 2.00 CEMT P SURF RIH with 1" CS Hydril tubing; tag at 320' and -MU cement head, cement hose for top job 07:00 - 12:00 5.00 WHSUR P SURF RD 1" pipe handling tools, hang off 10 joints of 1" in cellar -RU 350 ton elevators, PU and install landing joint -Pick up 180k hook load on casing string -Measure hanger assembly -LD landing joint, RD elevators -Cut 15" off of 20" conductor to modify for casing head Printetl: 12/30/2008 12:37:44 PM ~ ~ gp Page 10 of 21 Operations Summary Report Legal Well Name: H-38 Common Well Name: H-38 Spud Date: 11/13/2008 Event Name: DRILL+COMPLETE Start: 11/12/2008 End: 12/12/2008 Contractor Name: NABORS ALASKA DRILLING I Rig Release: 12/12/2008 Rig Name: NABORS 7ES Rig Number: Date From - To Hours Task Code NPT ~ Phase Description of Operations 11/25/2008 07:00 - 12:00 5.00 WHSUR P SURF -Replace pod on pump #1 -PJSM with incoming crew 12:00 - 15:30 3.50 WHSUR P SURF Weld ring onto 20" conductor to set emergency slips in to conductor to set casing -Change out control module in pump #1 -Test choke manifold 250 psi low, 3500 psi high as part of BOP test• AOGCC rep Chuck Scheve authorized test, waived witness 15:30 - 00:00 8.50 CEMT P SURF RU 350 ton elevators -PU, MU landing joint -Pull to 180k hook load -RU rig pumps and pump 80 bbls water through 1" line to condition hole for top job -Pressure test SLB lines to 1500 psi -Max pressure at 1.5 bpm is 940 psi -Pump 595 bbls 10.7 ppg cement at 2 bpm, 760 psi -Full returns of mud to surface 11/26/2008 00:00 - 01:00 1.00 CEMT P SURF Continue to pump top job -Pump 94 bbls 10.7 ppg cement at 2 bpm, 760 psi . -Out of cement -pumped all on location -Order 700 more bbls; SLB hatching up, testing -Total of 686 bbls um ed Burin this to 'ob o eration with no cement returns to surface -Full returns of mud during operation 01:00 - 01:30 0.50 CEMT P SURF RD cement hose, cement head and LD 1"line -Clean line, stage for future top job 01:30 - 10:30 9.00 CEMT N CEMT SURF MU cement head and cement hose -Change out liners in mud pumps from 5 1/2" to 5" in preparation for drilling out shoe and drilling 8 3/4" hole -Perform maintenance service requirements on equipment -NPT is due to waiting on cement to be batched, tested and trucked to location for continuation of top job -RIH with 1" CS Hydril tubing for top job -RIH to 172' and 10:30 - 14:30 4.00 CEMT P SURF Pump top job -Pump 10 bbls water with rig, 60 gpm, 220 psi -Pressure test SLB cementing lines, hoses to 1500 psi -Pump 10.7 ppg cement at 2 bpm, 700 psi -Good 10.7 cement returns to surface -368 bbls pumped this operation, total 1054 bbls pumped on top job -Notified AOGCC rep Chuck Scheve at 0700 of upcoming top job; waived witness of job 14:30 - 15:30 1.00 CEMT P SURF Flush and blow down lines -RD cement equipment -LD 1 "pipe 15:30 - 20:00 4.50 WHSUR P SURF Set emergency slips with 180k pull on string -Lay down landing point -RD 350 ton elevators -Cut casing pup with Wachs cutter -LD mandrel hanger and cut casing pup -Set wellhead adapter onto casing with slip lock casing spool -Torque bolts, test packoff voids to 1000 psi Printed: 12/30/2008 12:37:44 PM ~ ~ BP Page 11 of 21 Operations Summary Report Legal Well Name: H-38 Common Well Name: H-38 Spud Date: 11/13/2008 Event Name: DRILL+COMPLETE Start: 11/12/2008 End: 12/12/2008 Contractor Name: NABORS ALASKA DRILLING I Rig Release: 12/12/2008 Rig Name: NABORS 7ES Rig Number: i Date From - To Hours Task Code NPT ! Phase Description of Operations ! ~ ~ - __ 11/26/2008 20:00 - 23:30 3.50 BOPSU P __ SURF - NU BOP -Annular Bag, 3 1/2" x 6" variable top rams, Blind-Shear rams, mud cross, 2 7/8" x 5" variable bottom rams -Install riser -Obtain RKB measurements 23:30 - 00:00 0.50 BOPSU P SURF Mobilize BOP test equipment to floor -PJSM with incoming crew 11/27/2008 00:00 - 00:30 0.50 MOB P SURF Complete NU of BOP 00:30 - 03:30 3.00 BOPSU P SURF RU BOP test a ui ment and test BOP -PJSM with Rig Crew on testing BOP -Chokes have already been tested on 11/25/08 with permission from AOGCC rep Chuck Scheve -Test BOP to 250 Low and 3500 psi High with 4" test joint -Witness of test waived by AOGCC rep Bob Noble -Test witnessed by WSL Rob O'Neal, Tourpusher Biff Perry -Top pipe rams (3 1/2"x6"1 with 4" test joint, Valve #14, Dart, HCR Kill line, Lower IBOP -Manual kill, manual IBOP -Manual choke, Annular -Bottom pipe rams (2 7/8"x5") with 4" test joint -Blind Rams, Kill line -Test Accumulator 03:30 - 04:30 1.00 BOPSU P SURF RD test equipment -Blow down test lines -Clear and clean rig floor -Install wear ring 04:30 - 07:30 3.00 DRILL P SURF Swap out wash pipe on top drive -Unable to rotate top drive to break connection on wash pipe -Break connections with hammer -Install new wash pipe, MU with hammer 07:30 - 14:00 6.50 DRILL N RREP INT1 Top drive failure -No hydraulics or rotation -Inspect and troubleshoot -Replace Hi-Lo Hydraulic Pressure sensor -Function test; top drive functioning properly 14:00 - 00:00 10.00 DRILL P INT1 PU 8 3/4" drillin BHA -8 3/4" PDC bit, 0 deg bend motor, DCs, jars, 4" HWDP -RIH with BHA on 4" DP one-by-one -Ta to of cement at 1 347' and -Drill out cement to 2,280' and at midnight -502 gpm, 1338 psi on, 1260 psi off -4k Wlbs torque on, 2k fUlbs torque off -PUW 74k, SOW 60k, ROT Wt 70k -Rotate at 50 rpm -PJSM with incoming crew 11/28/2008 00:00 - 02:30 2.50 DRILL P INT1 Drill cement out of casing with 8 3/4" drilling BHA to 2,847' and -8 3/4" PDC bit, motor, DCs, jars, 4" HWDP -500 gpm, 1600 psi on, 1150 psi off -4.5k ft/Ibs torque on, 3k fUlbs torque off -PUW 90k, SOW 70k, ROT Wt 80k, WOB 5-10k -Rotate at 50 rpm 02:30 - 03:00 0.50 EVAL P INT1 RU test equipment -Pressure test Tam Port Collar to 2000 si for 5 min• zero Pfintetl: 72/3U/2UUt1 723/:44 PM g P Page 12 of 21 Operations Summary Report Legal Well Name: H-38 Common Well Name: H-38 Spud Date: 11/13/2008 Event Name: DRILL+COMPLETE Start: 11/12/2008 End: 12/12/2008 Contractor Name: NABOBS ALASKA DRILLING I Rig Release: 12/12/2008 Rig Name: NABOBS 7ES Rig Number: I Date From - To ~ Hours Task Code NPT Phase Description of Operations 11/28/2008 02:30 - 03:00 0.50 EVAL P INT1 bleed off -RD test equipment 03:00 - 05:30 2.50 DRILL P INT1 Continue to drill out cement to 3,501' 5:30 - 06:30 .00 VAL P NT1 -500 gpm, 1720 psi on, 1615 psi off -5.5k ft/Ibs torque on, 4k ft/Ibs torque off -PUW 100k, SOW 72k, ROT Wt 82k, WOB 10k -Rotate at 50 rpm Pressure test casin to 3500 psi -RU test equipment -Pressure casing to 3590 psi -Chart for 30 min• bleed 80 psi first 15 min, 40 osi second 15 min -RD test equipment 06:30 - 08:00 1.50 DRILL P INT1 Continue drilling out to 3,590' and -500 gpm, 1760 psi on, 1615 psi off -5.5k ft/Ibs torque on, 4k ft/Ibs torque off -PUW 103k, SOW 72k, ROT Wt 85k, WOB 10k -Rotate at 50 rpm 08:00 - 10:00 2.00 DRILL P INTi -Displace to LSND mud, 8.8 ppg 10:00 - 10:30 0.50 DRILL P INT1 Drill out shoe track (parameters while drilling out shoe) -500 gpm, 1040 psi on, 960 psi off -5k ft/Ibs torque on, 3.5k fUlbs torque off -PUW 100k, SOW 75k, ROT Wt 85k, WOB 8-12k -Rotate at 50 rpm 10:30 - 11:30 1.00 DRILL P INT1 Circulate well clean with bottoms up -500 gpm, 950 psi -MW in and out 8.8 ppg -Monitor well -static 11:30 - 13:30 2.00 DRILL P INT1 POH to BHA at 843' and -PUW 95k, SOW 70k -Monitor well -static -PJSM with incoming crew; new crew, discussed recent injuries and HSE events and plan forward for well 13:30 - 14:00 0.50 DRILL P INT1 LD BHA -Break and inspect PDC bit -Bit Grade: 1-1-CT-A-X-I-WT-TD 14:00 - 14:30 0.50 DRILL P INT1 PU and MU same BHA with same PDC bit -RIH to 500' and -Pump and rotate past Tam Port Collar at 514' and -No issues 14:30 - 16:30 2.00 DRILL P INT1 RIH on 4" DP to 3,597' and -PUW 95k, SOW 75k 16:30 - 17:30 1.00 DRILL P INTi Wash down from 3,597' to 3,604' and -Drill 8 3/4" hole to 3,630' and _ -500 gpm, 1180 psi on, 980 psi off -5k ft/Ibs torque on, 3k ft/Ibs torque off -ROT Wt 85k, WOB 8-12k -Rotate at 60 rpm 17:30 - 18:00 0.50 DRILL P INTi Circulate bottoms up to clean well prior to FIT -Slow pump rates: Pump 1 and 2: 2 bpm 90 psi, 3 bpm 130 psi -Pull into shoe to 3,516' Printed: 12/30/2008 12:37:44 PM • i gP Page 13 of 21 Operations Summary Report Legal Well Name: H-38 Common Well Name: H-38 Spud Date: 11/13/2008 Event Name: DRILL+COMPLETE Start: 11/12/2008 End: 12/12/2008 Contractor Name: NABOBS ALASKA DRILLING I Rig Release: 12/12/2008 Rig Name: NABOBS 7ES Rig Number: Date From - To Hours Task Code NPT Phase Description of Operations 11/28/2008 17:30 - 18:00 0.50 DRILL P INT1 -Monitor well -static 18:00 - 18:30 0.50 EVAL P INT1 FIT -12.8 EMW, 8.8 MW, 3205 TVD, 670 psi -Chart for 10 min; good test 18:30 - 20:00 1.50 DRILL P INTi POH to 843' and -Monitor well -static 20:00 - 20:30 0.50 DRILL P INT1 LD BHA -Break bit, inspect -Bit Grade: 1-1-CT-A-X-1/16-WT-TD -Clear and clean rig floor 20:30 - 22:30 2.00 DRILL P INTi PU 8 3/4" drilling BHA -8 3/4" bit, 1.15 deg motor, MWD tools, stabilizer, DCs, stabilizer, jars, 4" HWD, 2 ghost reamers (1000' and 3500' from bit) -Pump and rotate past Tam Port Collar -300 gpm, 325 psi, 15 rpm, 1 k fUlbs torque 22:30 - 00:00 1.50 EVAL P INTi RIH to 1,956' and on 4" DP one-by-one -Shallow test MW D tools at 1,085' and -500 gpm, 860 psi -Good test 11/29/2008 00:00 - 01:30 1.50 DRILL P INT1 RIH with 8 3/4" BHA on 4" DP one-by-one to 3,392' and -PUW 100k, SOW 75k 01:30 - 02:30 1.00 DRILL P INTi Slip and cut drilling line -Cut 145' -Service top drive, blocks and crown -Calibrate Drawworks for WD 02:30 - 03:00 0.50 DRILL P INTi RIH to 3,550' and -PUW 100k, SOW 75k 03:00 - 04:00 1.00 DRILL P INTi Circulate to condition well for ECD reading -Wash down to 3,630' to calibrate MWD logs -Obtain ECD reading -Calculated ECD at 500 gpm 9.33 ppg -Calculated ECD at 550 gpm 9.34 ppg 04:00 - 12:00 8.00 DRILL P INT1 Drill 8 3/4" hole to 4,828' and -550 gpm, 1900 psi on, 1780 psi off -6k fUlbs torque on, 5.5k fUlbs torque off -PUW 122k, SOW 92k, ROT Wt 102k, 100 rpm -Calculated ECD 9.46, Actual ECD 10.19 -ART 3.33 hrs, AST .98 hrs, ADT 4.31 hrs, Bit 4.31 hrs -PJSM with incoming crew 12:00 - 00:00 12.00 DRILL P INT1 Drill 8 3/4" hole to 6,580' and -550 gpm, 2640 psi on, 2398 psi off -9.5k fUlbs torque on, 8k fUlbs torque off -PUW 160k, SOW 102k, ROT Wt 124k, 100 rpm -Calculated ECD 9.82, Actual ECD 10.46 -ART 7.17 hrs, AST 1.6 hrs, ADT 8.77 hrs, Bit 13.06 hrs -MW in and out 9.2 ppg -PJSM with incoming crew 11/30/2008 00:00 - 12:00 12.00 DRILL P INT1 Drill 8 3/4" hole to 7,850' and -550 gpm, 3120 psi on, 2825 psi off -10.5k fUlbs torque on, 9k fUlbs torque off -PUW 170k, SOW 125k, ROT Wt 137k, WOB 15-17k, 100 rpm -Calculated ECD 10.12, Actual ECD 10.73 rnrneu. iuwicvvo ic.oi.vv rm • gP Page 14 of 21 Operations Summary Report Legal Well Common W Event Name Contractor jRig Name: Date Name: H ell Name: H : D Name: N N From - To -38 -38 RILL+C ABOBS ABOBS Hours ~ OMPLE ALASK 7ES Task TE A DRI Code LING NPT Start I Rig R Rig N Phase Spud Date: 11/13/2008 : 11/12/2008 End: 12/12/2008 elease: 12/12/2008 umber: Description of Operations 11/30/2008 00:00 - 12:00 12.00 DRILL P INT1 -AST 2.28 hrs, ART 6.17 hrs, ADT 8.45 hrs, Bit 21.53 hrs -MW in and out 10.1 ppg -Calculated ECD 10.12, Actual ECD 10.73 -PJSM with incoming crew 12:00 - 00:00 12.00 DRILL P INTi Drill 8 3/4" hole to 8,870' and -500 gpm, 3665 psi on, 3470 psi off -10.5k fUlbs torque on, 8k ff/1bs torque off -PUW 182k, SOW 130k, ROT Wt 147k, WOB 15-17k, 100 rpm -AST 2.50 hrs, ART 6.12 hrs, ADT 8.62 hrs, Bit 21.53 hrs -Calculated ECD 11.13 ppg, Actual ECD 11.89 ppg -MW in and out 10.7 ppg -PJSM with incoming crew 12/1/2008 00:00 - 16:00 16.00 DRILL P INTi Drill 8 3/4" hole to 9 937' and -490 gpm, 3825 psi on, 3755 psi off -11.5k ft/Ibs torque on, 10.5k fUlbs torque off -PUW 215k, SOW 135k, ROT Wt 158k, WOB 15-20k, 100 rpm -AST 1.42 hrs, ART 1.98 hrs, ADT 3.40 hrs, Bit 42.03 hrs cumulative -Calculated ECD 11.33 ppg, Actual ECD 11.55 ppg -MW in and out 10.7 ppg 16:00 - 18:00 2.00 DRILL P INT1 Circulate two bottoms up to analyze cuttings -Geologist confirmed target TD in Sag River sandstone -Circulated at 500 gpm, 120 rpm, 3770 psi -9 bbls tossed to formation 18:00 - 20:30 2.50 DRILL P INT1 Wiper trip -POH to 7,123' and -Top ghost reamer pulled into shoe at 3,596' and -Work through tight areas at: 9,250' to 9,125', 35k overpull at 9,048', 7,693' to 7,670', 35k overpull at 7,228' 20:30 - 22:30 2.00 DRILL P INTi RIH to 9,937' and -Wipe and work tight areas at: took 20k at 7,670' to 7,735', 8,952', 9,044', 9,720' to 9,784', 9,797' -Washed down to bottom from 9,894'to 9,937' and -No fill; washed down with no problems 22:30 - 00:00 1.50 DRILL P INT1 Circulate surface-to-surface with Hi-Vis sweep -Reciprocate and circulate at 500 gpm, 3950 psi, 120 rpm -Sweep brought back estimate of 5% clay, ground up shales -Calculated ECD 11.33, Final surface-to-surface ECD 11.41 -MW 10.7 PP9 -Monitor well -Static -PJSM with incoming crew 12/2/2008 00:00 - 08:00 8.00 DRILL P INT1 POH from 9937' to 4440' MD -PUW 145k, SOW 95k -Work through tight spots at: 7725', 7650', 7245', 6925', 6850', 6750', 6725' -Tight hole that took several wipes: 6710' to 6512' and 5924' to 5900' -Several spots with tight hole and swabbing from 5500'-4450'. 08:00 - 09:30 1.50 DRILL P INT1 Backream from 4440' to 3680'. -Pumps: 500 GPM at 2500 psi -40 rpm at 6.5k/ft-Ibs rnncea: iciauicwa ic:onv4 rm ~ ~ gp Page 15 of 21 Operations Summary Report Legal Well Name: H-38 Common Well Name: H-38 Spud Date: 11/13/2008 Event Name: DRILL+COMPLETE Start: 11/12/2008 End: 12/12/2008 Contractor Name: NABOBS ALASKA DRILLING I Rig Release: 12/12/2008 Rig Name: NABOBS 7ES Rig Number: Date From - To Hours Task Code NPT Phase Description of Operations 12/2/2008 09:30 - 10:00 10:00 - 12:00 12:00 - 14:00 14:00 - 15:00 0.50 2.00 2.00 1.00 DRILL DRILL DRILL BOPSU P P P P INT1 INT1 INT1 INTi CBU. -Pumps: 500 GPM at 2000 psi. -PUW 100k, SOW 70k. POH from 3680' to 898'. Monitor well; static. LD HWDP, drill collars, and BHA. Clear and clean rig floor. PJSM. Pull wear bushing. Set test plug. Change toa rams from 3.5" x 6" VBRs to 7" rams. RU test a ui ment. 15:00 - 15:30 0.50 BOPSU P INT1 Test top rams to 250 psi low/3500 psi high with 7" test joint. Good test. Test witnessed by WSL Mike Dinger and Toolpusher Chris Weaver: RD testing equipment. 15:30 - 17:30 2.00 CASE P INT1 PJSM. Make dummy run with 7" hanger. RU to run 7" casing. 17:30 - 23:00 5.50 CASE P INT1 PJSM. MU 7" shoe track. Check floats; floats held. Run 87 joints of 7", 26#, L-80, BTC casing to 3566', filling on the fly. -PUW 112k, SOW 90k. 23:00 - 23:30 0.50 CASE P INTi Circulate 1.5x casing volume at 9-5/8" shoe. Pressures while ', staging up pumps: -3 BPM, 280 psi -4 BPM, 340 psi -5 BPM, 415 psi 23:30 - 00:00 0.50 CASE P INT1 Run 6 joints (#88-93) of 7" BTC casing from 3566' to 3812'. 12/3/2008 00:00 - 02:30 2.50 CASE P INTi Continue runnin 7" 26# L-80 BTC casin from 3812' to 5328' (Joints #94-130). Running at 90 seconds/joint. Wash down every 10th joint. 02:30 - 03:00 0.50 CASE P INT1 RU torque turn equipment for 7" TC-II casing. 03:00 - 10:30 7.50 CASE P INTi Run 7", 26#, L-80, TC-II casing from 5328' to 9936' (Joints 131-244). Running at 90 seconds/joint. Wash down every 10th joint. Started pushing away fluid at -5750'; getting very little returns when circulatin .Slow down running speed to 2 minutes/joint. -Total losses Burin casin run: 195 bbl 10:30 - 12:30 2.00 CEMT P INTi RU SLB cement head and lines. Stage up pumps from 0.5 bpm ~ 440 psi to 5 bpm ~ 870 psi. Very little returns (not re isterin on flow addle . -Lost 128 bbl out of 152 bbl pumped while circulating prior to cement job. No static losses. 12:30 - 16:00 3.50 CEMT P INTi PJSM. Pressure test cement lines to 4000 psi with MudPush; good test. Pump MudPush and cement as follows: 25 bbl of 11.0 ppg MudPush (last 15 bbl: 2 ppb CemNET). Drop Bottom Plug. 189 bbl of 11.5 ppg LiteCRETE Lead Slurry (2 ppb CemNET) 21.3 bbl of 15.8 ppg Class 'G' Tail Slurry. Drop Top Plug and kick out with 10 bbls water. Swap back to rig pumps for displacement. Displacing with fresh water from brine tanks. Strokes BPM PSI Return Flow 500 5 587 5% 1000 655 6% 2000 815 11% 2391 913 15% (MudPush at shoe) 2746 948 14% (Lead at shoe) 3000 990 14% rnmeo: iuswzuu° iz:anvv rm • gp Page 16 of 21 Operations Summary Report Legal Well Name: H-38 Common Well Name: H-38 Spud Date: 11/13/2008 Event Name: DRILL+COMPLETE Start: 11/12/2008 End: 12/12/2008 Contractor Name: NABOBS ALASKA DRILLING I Rig Release: 12/12/2008 Rig Name: NABOBS 7ES Rig Number: 'Date From - To Hours Task Code NPT ~ Phase Description of Operations 12/3/2008 12:30 - 16:00 3.501 CEMT ~ P 16:00 - 17:00 I 1.00 I CEMT I P 17:00 - 18:00 1.00 CEMT P 18:00 - 19:00 1.00 CEMT P 19:00 - 19:30 0.50 CEMT P 19:30 - 22:30 3.00 BOPSU P 22:30 - 23:00 0.50 CEMT P 23:00 - 00:00 1.00 CEMT P 12/4/2008 00:00 - 05:00 5.00 CEMT P 05:00 - 06:00 I 1.001 CEMT I P 06:00 - 06:30 0.50 CEMT P 06:30 - 07:00 0.50 CEMT P 07:00 - 14:00 7.00 CEMT N 14:00 - 15:00 1.00 CEMT P INT1 4000 3 1600 9% 5000 1956 0% (returns down to a trickle) 5500 2 2077 0% 6000 2024 0% Bump plug at 6359 strokes (368 bbl; 95% efficiency). Pressure up from 2100 psi to 2600 psi to confirm plug bump. -Losses: Pumped 613 bbl MudPush, cement, and fresh water displacement got 115 bbl back. So losses to wellbore=498. bbls. INTi Pressure up to 3500 psi for casina test. Gained 100 psi in first 15 minutes, 80 psi in second 15 minutes. Will retest rip or to- drillin out shoe. INTi Rig down 7" casing equipment and SLB cementers. INT1 PJSM. Install 7" packoff and test to 5000 psi for 30 minutes. Good test. INT1 PJSM. RU to OA and test lines to 3000 psi. Bullhead mud down OA to confirm infectivity for freeze protect. Broke down at 760 si; um 15 bbls. -Continue to inject 1 bbl every 30 minutes until LRS arrives to freeze protect well. Total 10.8 ppg mud injected up to 00:00 hrs: 24 bbl. INTi PJSM. Change top BOP rams from 7" to 3.5" x 6" VBRs. RU test equipment. -Test top rams to 250 psi low/3500 psi high with 4" and 4.5" test joints. -Test bottom rams to 250 psi low/3500 psi high with 4.5" test joint. -Test annular preventer to 250 psi low/3500 psi high with 4.5" test joint. Good tests. Tests witnessed by WSL Adrienne McVey and TP Biff Perry. RD testing equipment. Install wear bushing. INTi PJSM. PU 6-1/8" cleanout BHA to 127'. INT1 RIH, PU singles, to 605'. INTi RIH to 9775' (picked up total of 102 singles, then stands from derrick). -Off Critical Path: bullheaded 38 additional bbl of 10.8 ppg mud (total of 62 bbl) down OA followed by 40 bbl 11.8 mud prior to Little Red arriving to freeze protect. Little Red on location at 0200 hrs• pumped 62 bbl dead crude freeze protec#. Final pressure 900 psi. INTi RU testin a ui nt. P r 30 minutes. Good test; bled off 0 psi in first 15 minutes and 0 psi in second 15 minutes. INTi Service top drive, blocks, and crown. INT1 Slip and cut drilling line. RREP INT1 Top drive blower motor seized up. Replace and function test same. INT1 Wash down from 9775'. -Pumps: 400 GPM ~ 1725 PSI -100 RPM, 11 k-fUlbs torque -PUW 205k, SOW 125k, ROT 145k gP Page 17 of 21 Operations Summary Report Legal Well Name: H-38 Common Well Name: H-38 Spud Date: 11/13/2008 Event Name: DRILL+COMPLETE Start: 11/12/2008 End: 12/12/2008 Contractor Name: NABORS ALASKA DRILLING I Rig Release: 12/12/2008 Rig Name: NABORS 7ES Rig Number: Date ;From - To ~~ Hours Task ~~ Code ; NPT ~' Phase ~~~~ Description of Operations 12/4/2008 14:00 - 15:00 1.00 CEMT P INTi Tag cement stringers at 9811'. Tag plugs on depth at 9850' (1 ft above float collar). Drill cement to 9926'. 15:00 - 16:00 1.00 CEMT P INT1 Displace well to 8.4 ppg FloPro. 16:00 - 17:00 1.00 CEMT P INTi Drill remainder of shoe track from 9926' to 9937'. Circulate bottoms up (226 bbl). SPRs at 9936' MD, 8524' TVD: -Pump 1: 2 bpm=500 psi. 3bpm=580 psi. -Pump 2: 2 bpm=480 psi. 3bpm=580 psi. 17:00 - 20:30 3.50 CEMT P INT1 Monitor well; static. Pump dry job. POH from 9936' to BHA at 126'. 20:30 - 21:00 0.50 CEMT P INT1 LD 6-1/8" cleanout BHA. Clean and clear rig floor. 21:00 - 22:00 1.00 DRILL P PROD1 PU 6-1/8" build BHA with MX-R18DX tricone bit, 1.69 degree Short Pak motor, and Impulse DIR/GR/RES to 197'. 22:00 - 00:00 2.00 DRILL P PROD1 RIH to 1152'. Shallow test MWD.. Continue RIH to 5019', filling pipe every 30 stands. 12/5/2008 00:00 - 02:30 2.50 DRILL P PROD1 RIH with 6-1/8" build assembly from 5019' to 9937'. Wash last stand to bottom at 2 bpm/550 psi. -SPRs at 9937' MD, 8524' TVD: Pump 1: 2 bpm=540 psi. 3bpm=660 psi. Pump 2: 2 bpm=540 psi. 3bpm=660 psi. 02:30 - 04:00 1.50 DRILL P PROD1 Drill 20' of new hole to 9959'. Perform FIT to 10.8 ppg. Good test. -8544' TVD, 8.4 ppg Mud Weight, 1080 psi Surface Pressure -10.83 ppg EMW 04:00 - 08:30 4.50 DRILL P PROD1 Drill build section of 6-1/8" production hole from 9959' to 10074'. -Pumps: 250 GPM at 1680 psi (1480 psi off bottom) -PUW 177k, SOW 138k -AST=ADT=3.72 hr -Mud in/out - 8.5 ppg -SPRs at 10074' MD, 8621' TVD: Pump 1: 2 bpm=600 psi. 3bpm=700 psi. Pump 2: 2 bpm=580 psi. 3bpm=680 psi. 08:30 - 12:30 4.00 DRILL P PROD1 Pump out from 10074' to 7" shoe at 230 gpm, 1320 psi. Monitor well; static. Pump dry job. Blow down top drive and remove blower hose. POH from 9936' to 197'. 12:30 - 13:30 1.00 DRILL P PROD1 PJSM. LD 6-1/8" build BHA. Download MWD. Clean and clear rig floor. 13:30 - 15:00 1.50 DRILL P PROD1 PJSM. PU 6-1/8" production BHA with DTX613M-B4 PDC bit, 1.5 degree AIM motor, Impulse DIR/GR/RES, and ADN4 DEN/NEU. Load nuclear source. RIH to 230'. 15:00 - 18:30 3.50 DRILL P PROD1 RIH to 1186'. Shallow test MWD. Continue RIH, filling pipe every 30 stands, to 7" shoe at 9936'. Wash down to bottom. -PUW 170k, SOW 140k 18:30 - 00:00 5.50 DRILL P PROD1 Drill 6-1/8" production hole from 10074' to 10180'. -Pumps: 250 GPM at 1800 psi (1650 psi off bottom) -PUW 175k, SOW 140k -AST=ADT=4.10 hr -Mud in/out - 8.5 ppg -SPRs at 10136' MD, 8646' TVD: Pump 1: 2 bpm=570 psi. 3bpm=750 psi. Pump 2: 2 bpm=550 psi. 3bpm=750 psi. 12/6/2008 00:00 - 12:00 12.00 DRILL P PROD1 Drill 6-1/8" production hole from 10,180' to 11,028'. Printed: 12/30/2008 12:37:44 PM ~ i g P Page 18 of 21 Operations Summary Report Legal Well Name: H-38 Common Well Name: H-38 Spud Date: 11/13/2008 Event Name: DRILL+COMPLETE Start: 11/12/2008 End: 12/12/2008 Contractor Name: NABOBS ALASKA DRILLING I Rig Release: 12/12/2008 Rig Name: NABOBS 7ES Rig Number: Date From - To Hours ~, Task Code NPT i Phase Description of Operations 12/6/2008 00:00 - 12:00 12.00 DRILL P PRODi -Pumps: 250 GPM at 1975 psi (1762 psi off bottom) -80 RPM, 10k WOB -PUW 180k, SOW 135k, ROT 152k -AST=4.05 hr, ADT=7.18 hr -Mud in/out - 8.5 ppg -SPRs at 10,836' MD, 8808' TVD: Pump 1: 2 bpm=570 psi. 3bpm=750 psi. Pump 2: 2 bpm=540 psi. 3bpm=750 psi. 12:00 - 00:00 12.00 DRILL P PROD1 Drill 6-1/8" production hole from 11,028'to 11,702'. -Pumps: 250 GPM at 2065 psi (1795 psi off bottom) -80 RPM, 10k WOB, 8.5k/ft-Ibs (6k/ft-Ibs off bottom) -PUW 195k, SOW 130k, ROT 152k -AST=5.57 hr, ADT=7.66 hr -Mud in/out - 8.6 ppg; adding H2O at 20 bbl/hr. -SPRs at 11,697' MD, 8817' TVD: Pump 1: 2 bpm=760 psi. 3bpm=900 psi. Pump 2: 2 bpm=700 psi. 3bpm=880 psi. 12/7/2008 00:00 - 12:00 12.00 DRILL P PROD1 Drill 6-1/8" production hole from 11,702'to 12,366'. -Pumps: 250 GPM at 2065 psi (1795 psi off bottom) -80 RPM, 10k WOB, 8.5k/ft-Ibs (6k/ft-Ibs off bottom) -PUW 190k, SOW 125k, ROT 150k -AST=6.25 hr, ADT=8.27 hr -Mud in/out - 8.5 ppg; adding H2O at 40 bbl/hr. -SPRs at 12,136' MD, 8775' TVD: Pump 1: 2 bpm=750 psi. 3bpm=860 psi. Pump 2: 2 bpm=720 psi. 3bpm=800 psi. 12:00 - 15:00 3.00 DRILL P PROD1 Drill 6-1/8" roduction hole from 12 366' to TD at 12 652' MD/8854' TVD. Crossed Fault #2 at 12,440' MD/8811' TVD_. Saw an initial 15 bbl loss, with slight losses continuing- . throughout the remainder of drilling and MAD pass (2-10 bbl/hr). Total 24 hr losses to wellbore: 50 bbl. -Pumps: 250 GPM at 2135 psi (1820 psi off bottom) -80 RPM, 12k WOB, 8.7k/ft-Ibs (6k/ft-Ibs off bottom) -PUW 192k, SOW 120k, ROT 150k -AST=0.37 hr, ADT=2.82 hr -Mud in/out - 8.6 ppg; adding H2O at 10-15 bbl/hr. -SPRs at 12,652' MD, 8854' TVD: Pump 1: 2 bpm=700 psi. 3bpm=860 psi. Pump 2: 2 bpm=700 psi. 3bpm=880 psi. 15:00 - 15:30 0.50 DRILL P PRODi Circulate 3 OH volumes (190 bbl) while rotating and reciprocating. -Pumps: 250 GPM at 1830 psi -80 RPM, 6k/ft-Ibs torque 15:30 - 00:00 8.50 DRILL P PRODi Monitor well. ibbl/hr static loss rate. MW In = MW Out = 8.6 ppg. MAD pass from 12,652' to 10,850'. -Pumps: 250 GPM at 1815 psi -80 RPM, 6k/ft-Ibs torque MAD pass parameters: -12652'-10850': 720 fph r -10850'-10500': 360 fph -10500'-10080': 720 fph (No rotating from 10200' up due to DLS) -10080'-9936': 360 fph Printetl: 12/302008 12::i /:4a YM BP Operations Summary Report Legal Well Name: H-38 Common Well Name: H-38 Event Name: DRILL+COMPLETE Contractor Name: NABOBS ALASKA DRILLING I Rig Name: NABOBS 7ES Date I From - To j Hours Task Code NPT 12/8/2008 100:00 - 05:00 I 5.001 DRILL I P 05:00 - 07:00 2.00 DRILL P 07:00 - 09:00 2.00 CASE P 09:00 - 10:00 1.00 CASE P 10:00 - 11:30 1.50 CASE N 11:30 - 15:00 3.50 CASE P 15:00 - 15:30 0.50 CASE P 15:30 - 16:30 1.00 CASE P 16:30 - 17:00 0.50 CASE P 17:00 - 21:30 4.501 CASE ~ P 21:30 - 22:00 I 0.50 CASE ~ P 22:00 - 00:00 I 2.001 CASE I P 12/9/2008 00:00 - 02:00 2.00 CEMT P 02:00 - 04:00 2.00 CEMT P 04:00 - 05:00 05:00 - 05:30 05:30 - 10:30 1.00 CEMT P 0.50 CEMT P 5.00 CEMT P Start: 11 /12/2008 Rig Release: 12/12/2008 Rig Number: Page 19 of 21 ~ Spud Date: 11 /13/2008 End: 12/12/2008 Phase Description of Operations PR001 Continue MAD pass from 10,850' to 7" shoe at 9936'. CBU at shoe (226 bbl) at 250 gpm, 1600 psi. Monitor well; static. Pump dryjob and POH to BHA. PROD1 PJSM. LD 6-1/8" BHA. Remove radioactive sources. Download MWD. Clear and clean rig floor. RUNPRD RU to run 4.5" 12.6 Ib/ft 13Cr-80 Vam Ton liner. RUNPRD PJSM. MU 4.5" shoe track and RIH. Check floats; floats held. Run 4.5" liner to 206'. SFAL RUNPRD RPM sensor and dump valve on power tongs malfunctioning. Change out tongs. RUNPRD Continue running 4.5" liner from 206' to 2852'. Ran a total of 68 joints 4.5" 12.6 Ib/ft 13Cr-80 Vam Top liner. RUNPRD PJSM. Rig down liner running tools. Change out bails. RUNPRD MU liner hanger. liner too packer and HRD liner running tool. Mix polymer and allow to set up in running tool for 30 minutes. RUNPRD Circulate 1.5x liner volume (68 bbl). -Pumps: 210 gpm at 320 psi -PUW 57k, SOW 55k RUNPRD Run 4.5" liner to 7" shoe at 9936'. Filling pipe every 10 stands. -PUW 158k, SOW 130k. RUNPRD Circulate 1.5x DP and liner volume (170 bbl) at 7" shoe. Stage up pumps from 1 bpm, 390 psi to 5 bpm, 750 psi. RUNPRD Run 4.5" liner to TD at 12,652'. -PUW 180k, SOW 133k RUNPRD RU cement head and lines. Stage up pumps from 1 bpm at 775 psi to 5 bpm at 1150 psi. Circulate 3 OH volumes. Reciprocate pipe while circulating. Lost total of 13.5 bbl while running liner and circulating prior to cement job. RUNPRD PJSM. Pump 15 bbl 10.0 ppg MudPush and pressure test cement lines to 4500 psi; good test. Pump 73 bbl 15.8 ppg Class 'G' with Gas Blok. Swap back to rig pumps. Kick out pump down plug with 60 bbl pert pill followed by 8.6 ppg FloPro. Caught cement at 1015 strokes (58.6 bbl). After catching cement, saw steady increase in pressure. Latched up on liner wi er lu at 1643 strokes 94.8 bbl • ress d to 1800 psi.'Reciprocated string until 200 strokes nri~r to latch-u .Bumped plug at 2360 strokes (136.2 bbl) with 2500 psi (liner hanger pinned to 2250 psi). CIP at 03:20 hrs. Pressure up to 3500 psi to release HRD running tool from liner. Bleed pressure and check floats; floats held. Attempt to pull out of liner; liner hanger not set.,Pressure back up to 4000 psi and try again; liner hag;pr~, Slack off 75k to set LTP; saw good indication of set on surface. Set back down while rotating to confirm packer set. -4.5" liner shoe at 12,651'. Landing collar at 12,570'. TOL at 9761'. Pull up and circulate out cement at 500 gpm, 2300 psi. Reciprocate while circulating out cement. Got 30 bbls cement, back to surface. RUNPRD Displace well above liner to seawater. RUNPRD RD cement head. Blow down lines. RUNPRD POH with HRD liner running tool from 9627' to surface (LDDP from 2930' to surface). LD Liner running tool. Clean and clear rnrne¢ iusui[uvo ic.oi.rv nw • U gp Page 20 of 21 Operations Summary Report Legal Well Name: H-38 Common Well Name: H-38 Spud Date: 11/13/2008 Event Name: DRILL+COMPLETE Start: 11/12/2008 End: 12/12/2008 Contractor Name: NABOBS ALASKA DRILLING I Rig Release: 12/12/2008 Rig Name: NABOBS 7ES Rig Number: I Task Code NPT Phase Description of Operations Date From - To Hours 12/9/2008 05:30 - 10:30 5.00 CEMT P RUNPRD rig floor. 10:30 - 12:00 1.50 BOPSU P OTHCMP RU to test BOPE. 12:00 - 17:00 5.00 BOPSU P OTHCMP Pressure test BOPE to 250 psi low/3500 psi high with 4-1/2" and 2-7/8" test joints. Test witnessed by AOGCC rep John Crisp, BP WSL Duncan Ferguson, BP Field Superintendent Richard Watkins, and Nabors Toolpusher Chris Weaver. 17:00 - 17:30 0.50 BOPSU P OTHCMP Rig down BOPE testing equipment. Install wear bushing. 17:30 - 00:00 6.50 PERFO N WAIT OTHCMP Wait to RU and run 7" USIT E-line log due to inclement weather, poor visibility, and snowdrifts. 12/10/2008 00:00 - 05:30 5.50 PERFO N WAIT OTHCMP Continue waiting on weather. Poor visibility and snowdrifts. 05:30 - 07:30 2.00 EVAL C OTHCMP PJSM. Rig up to run 7" USIT. 07:30 - 11:30 4.00 EVAL C OTHCMP Run 7" USIT from 9750' to surface. RD E-line. Clear and clean rig floor. -Estimated TOC at 3590; poor quality cement with sever chanellin . -Estimated top of 15.8 Tail at 9467'. 11:30 - 12:30 1.00 PERFO P OTHCMP Pressure test 4.5" liner to 3500 psi for 30 minutes. Good test; pressure bled off 20 psi in first 15 minutes and 0 psi in second 15 minutes. RD testing equpiment. 12:30 - 13:30 1.00 PERFO P OTHCMP PJSM. Load pert guns and 2-7/8" Fox pipe in shed. RU pert gun handling tools. 13:30 - 14:30 1.00 PERFO P OTHCMP PJSM. PU 2-7/8" PowerJet Omega 2906 pert guns (60 degree phasing, 6 spf). RIH to 1076'. MU E-Fire firing head. 14:30 - 17:00 2.50 PERFO P OTHCMP PJSM. RU handling equipment for 2-7/8" Fox pipe. RIH with 59 joints of Fox pipe to 2918'. 17:00 - 21:30 4.50 PERFO P OTHCMP RIH with erforatin BHA. Ta u on de th at 12 56 ' (float collar at 12,570, with liner wiper plug and pump down plug seated). Pull up 37.5' to put guns on depth. -Bottom nose at 12530.5' -Bottom shot at 12530' Perfed intervals: -11510'-11550' (40') -11600'-11780' (180') ~ -11830'-12140' (310') -12200'-12270' (70') -12500'-12530' (30') 21:30 - 22:00 0.50 PERFO P OTHCMP PJSM. Execute firing sequ nce and fire pert guns. Good indication of firing on surface. 22:00 - 23:00 1.00 PERFO P OTHCMP POH from 12,530' to 11,422' (above top perf). Monitor well; 6 bbl/hr static loss rate. 23:00 - 00:00 1.00 PERFO P OTHCMP Circulate bottoms up (241 bbl) at 250 gpm, 1400 psi. Shut down pumps and monitor well; slight flow. Continue circulating another bottoms up. -15 bbl total losses to perfs up to 00:00 hrs. 12/11/2008 00:00 - 01:00 1.00 PERFO P OTHCMP Finish circulating 2nd bottoms up and monitor well; no flow. 01:00 - 04:30 3.50 PERFO P OTHCMP POH, laying down DP, from 11,422' to 7594'. 04:30 - 05:30 1.00 PERFO P OTHCMP PJSM. Slip and cut drilling line. 05:30 - 10:00 4.50 PERFO P OTHCMP Continue POH laying down DP from 7594' to 2900'. 10:00 - 13:00 3.00 PERFO P OTHCMP PJSM. RU handling equipment for 2-7/8" Fox tubing. LD 59 joints Fox tubing from 2900' to 1076'. RD handling equipment. 13:00 - 16:00 3.00 PERFO P OTHCMP PJSM. Rig up handling equipment for pert guns. Bleed and LD E-Fire firing head. LD guns; visually confirm all shots fired. RD Printed: 12/30/2008 12:37:44 PM gP Page 21 of 21 Operations Summary Report Legal Well Name: H-38 Common Well Name: H-38 Spud Date: 11/13/2008 Event Name: DRILL+COMPLETE Start: 11/12/2008 End: 12/12/2008 Contractor Name: NABOBS ALASKA DRILLING I Rig Release: 12/12/2008 Rig Name: NABOBS 7ES Rig Number: Date ~ From - To ~ Hours Task Code NPT Phase Description of Operations 12/11/2008 13:00 - 16:00 3.00 PERFO P OTHCMP handling equipment and clear and clean rig floor. 16:00 - 18:30 2.50 BUNCO RUNCMP PJSM. Pull wear bushing. Make dummy run with tubing hanger. RU handling equipment for 4.5" Vam Top completion, Torque turn computer and compensator. 18:30 - 00:00 5.50 BUNCO RUNCMP MU and RIH with 4.5" completion tailpipe assembly. RIH with 4.5" 12.6 Ib/ft 13Cr-80 Vam To completion to 5441'. Make up torque 4440 Wlbs. No joints rejected. -17 bbl seawater losses to well for the da . 12/12/2008 00:00 - 04:30 4.50 BUNCO RUNCMP Continue running completion from 5441' to 9741'. -Total of 226 joints 4.5" 12.6 Ib/ft 13Cr-80 Vam Top joints run. 04:30 - 05:30 1.00 BUNCO RUNCMP Space out completion. WLEG at 9769.7' (8.7' into 11.76' tieback sleeve). Land tubing hanger and run in lockdown screws. 05:30 - 08:30 3.00 BUNCO RUNCMP RU to IA to spot corrosion inhibitor. Reverse circulate 182 bbl of clean seawater, followed by 102 bbl of seawater treated with corrosion inhibitor, follwed by 79 bbl clean seawater, to position the corrosion-inhibited seawater between GLM #4 and production packer. Circulating at 3 BPM, 190 psi. 08:30 - 10:00 1.50 BUNCO RUNCMP Droo ball and rod. Pressure up to 3500 psi to set packer;_hold for 30 minutes to test tubing. Good test; bled off 0 psi in first 15 minutes and 0 psi in second 15 minutes. Test IA to 3500 gsi for - 30 minutes. Good test; bled off 10 psi in first 15 minutes and 0 psi in second 15 minutes. Bleed annulus and tubing. Pressure up on annulus to shear DCK valve; sheared at 2100 psi. 10:00 - 12:00 2.00 BOPSU P RUNCMP Install TWC and test to 1000 psi; good test. ND BOPS, 12:00 - 17:00 5.00 WHSUR P RUNCMP NU and test tree and adapter flange to 5000 psi. Tree tested with diesel. RU DSM and pull TWC with lubricator. 17:00 - 21:00 4.00 WHSUR P RUNCMP RU Little Red. Pressure test lines to 2500 psi. Reverse circulate 73 bbl 90 deg diesel at 1 bpm, FCP 600 psi. RU hose between tubing and IA and allow diesel to U-tube for 45 minutes. RD and blow down lines. 21:00 - 00:00 3.00 WHSUR P RUNCMP Set BPV with DSM lubricator. Pressure test to 100 psi from below with Little red; good test. Install VR plugs in OA and IA valves. Install valves and gauges on tree. Clean cellar. Rig Released at 00:00 hrs. Printed: ivaoizoos izscaa Pnn . .. __ _ _ Schlumber~er n-.sa purvey rtepvr~ Report Date: 7-Dec-08 Survey /DLS Computation Method: Minimum Curvature / Lubinski Client: BP Exploration Alaska Vertical Section Azimuth: 290.630° Field: Prudhoe Bay Unit - WOA Vertical Section Origin: N 0.000 ft, E 0.000 ft Structure /Slot: H-PAD / H-38 TVD Reference Datum: Rotary Table Well: H-38 TVD Reference Elevation: 73.25 ft relative to MSL Borehole: H-38 Sea Bed /Ground Level Elevation: 44.70 ft relative to MSL UWVAPI#: 500292340200 Magnetic Declination: 22.883° Survey Name /Date: H-38 /November 20, 2008 Total Field Strength: 57684.301 nT Tort /AHD / DDI / ERD ratio: 278.568° / 7507.43 ft / 6.475 / 0.848 Magnetic Dip: 80.896° Grid Coordinate System: NAD27 Alaska State Planes, Zone 04, US Feet Declination Date: November 20, 2008 Location LaULong: N 70.29660299, W 148.83935358 Magnetic Declination Model: BGGM 2008 Location Grid NiE Y/X: N 5959410.850 ttUS, E 643325.960 ttUS North Reference: True North Grid Convergence Angle: +1.09270825° Total Corr Mag North -> True North: +22.883° Grid Scale Factor: 0.99992334 Local Coordinates Referenced To: Well Head J Comments Measured Inclination Azimuth Sub-Sea TVD TVD Vertical Along Hole Closure NS EW DLS Northing Easting Latitude Longitude Depth Section Departure ft de de ft ft ft ft ft ft ft de 00 ft ftUS ftUS RTE 0.00 U.UU U. UU -/;t.za u.uu u. uu v, w u. w u.uu u. w v.vv aaoa4iu. aa o433LO.~o rv iv.caaoucaa vv iva. aoaooaoa GYD GC SS 100.00 0.30 291. 15 26.75 100.00 0. 26 0. 26 0. 26 0.09 -0. 24 0.30 5959410. 94 643325.71 N 70.29660325 W 148. 83935555 200.00 0.39 283. 69 126.75 200.00 0. 86 0. 86 0. 86 0.27 -0. 82 0.10 5959411. 10 643325.14 N 70.29660373 W 148. 83936021 300.00 1.14 286. 36 226.74 299.99 2. 19 2. 20 2. 20 0.63 -2. 10 0.75 5959411. 44 643323.84 N 70.29660471 W 148. 83937061 400.00 2.35 290. 50 326.69 399.94 5. 23 5. 24 5. 24 1.63 -4. 98 1.22 5959412. 38 643320.95 N 70.29660744 W 148. 83939389 500.00 4.49 287. 01 426.51 499.76 11. 19 11. 21 11. 20 3.49 -10. 64 2.15 5959414. 14 643315.25 N 70.29661253 W 148. 83943975 518.00 4.68 291 .28 444.45 517.70 12. 63 12. 64 12. 64 3.96 -12. 00 2.17 5959414. 58 643313.89 N 70.29661382 W 148. 83945075 MWD+IFR+MS 573.43 5.14 291 .78 499.67 572.92 17. 37 17. 39 17. 38 5.71 -16. 41 0.83 5959416. 24 643309.44 N 70.29661858 W 148. 83948648 663.92 7.11 293 .81 589.64 662.89 27. 02 27. 04 27. 02 9.47 -25 .30 2.19 5959419. 84 643300.48 N 70.29662887 W 148. 83955845 753.78 7.72 297 .87 678.75 752.00 38. 56 38. 63 38. 57 14.54 -35 .73 0.89 5959424. 70 643289.97 N 70.29664271 W 148. 83964284 843.84 9.41 302 .43 767.81 841.06 51. 77 52. 04 51. 87 21.31 -47 .29 2.02 5959431. 26 643278.28 N 70.29666122 W 148. 839 938.18 12.92 302 .37 860.35 933.60 69. 65 70. 30 70. 00 31.10 -62 .71 3.72 5959440. 75 643262.67 N 70.29668795 W 148. 7 8398 1034.58 16.66 302 .15 953.54 1026.79 93. 75 94. 91 94. 51 44.23 -83 .52 3.88 5959453. 47 643241.62 N 70.29672382 W 148. 840029 1130.47 19.59 300 .20 1044.66 1117.91 123. 07 124. 73 124 .30 59.63 -109 .06 3.12 5959468. 39 643215.79 N 70.29676590 W 148. 84023659 1225.89 21.68 295 .78 1133.96 1207.21 156. 41 158. 34 157 .90 75.35 -138 .76 2.73 5959483. 53 643185.80 N 70.29680883 W 148. 84047707 1321.50 23.20 296 .58 1222.33 1295.58 192. 73 194 .84 194 .37 91.46 -171 .51 1.62 5959499. 01 643152.76 N 70.29685284 W 148. 84074222 1415.87 24.72 296 .63 1308.56 1381.81 230. 84 233 .16 232 .68 .108.62 -205 .77 1.61 5959515 .52 643118.17 N 70.29689972 W 148. 84101966 1511.31 26.72 298 .42 1394.54 1467.79 271. 95 274 .57 274 .09 127.78 -242 .48 2.25 5959533 .97 643081.10 N 70.29695206 W 148. 84131692 1606.93 28.34 297 .62 1479.33 1552.58 315. 78 318 .77 318 .28 148.53 -281 .50 1.74 5959553 .97 643041.70 N 70.29700875 W 148. 84163285 1703.29 30.25 295 .28 1563.37 1636.62 362. 68 365 .91 365 .41 169.50 -323 .72 2.31 5959574 .13 642999.09 N 70.29706604 W 148 .84197469 1798.91 33.58 294 .52 1644.52 1717.77 413. 08 416 .45 415 .90 190.77 -369 .57 3.51 5959594 ,52 642952.85 N 70.29712413 W 148 .84234595 1893.62 35.56 297 .28 1722.51 1795.76 466 .58 470 .18 469 .61 214.26 -417 .88 2.67 5959617 .09 642904.10 N 70.29718831 W 148 .84273715 1989.24 35.22 296 .97 1800.46 1873.71 521 .60 525 .56 524 .99 239.51 -467 .17 0.40 5959641 .39 642854.34 N 7029725728 W 148 .84313623 SurveyEditor Ver SP 2.1 Bld( doc4Ox_1OO) H-38\H-38\H-38\H-38 Generated 1 /8/2009 3:37 PM Page 1 of 6 Comments Measured Inclination Azimuth Subsea TVD TVp Vertical Along Hole Closure NS EW DLS Northing Easting Latitude Longitude Depth Section Departure ft de de ft ft ft ft ft ft ft de 00 tt ftUS ftUS 1UkSb.LU 35.Ub Ly25. UU ii5/25.y3 lybL.l ZS b/b.44 b25V./`J 525V.LL LbS.VV -blb.l/ V.b4 b`J5`JbbS.`J4 b4Lt5U4.i5/ IV /U.L`J/3Lb`JI VV 1415. L54353L`J/ 2180.80 35.53 299. 19 1956.96 2030.21 631.14 636.03 635.44 291.44 -564. 66 0.87 5959691.45 642755.89 N 70.29739913 W 148. 84392565 2275.81 35.36 295. 96 2034.37 2107.62 685.81 691.12 690.52 316.94 -613. 49 1.98 5959716.01 642706.59 N 70.29746878 W 148. 84432099 2371.85 35.84 296. 67 2112.46 2185.71 741.44 747.02 746.42 341.73 -663. 60 0.66 5959739.83 642656.02 N 70.29753648 W 148. 84472676 2467.59 35.63 294. 93 2190.18 2263.43 797.13 802.93 802.31 366.06 -713. 93 1.08 5959763.20 642605.23 N 70.29760295 W 148. 84513436 2563.46 35.82 296. 92 2268.01 2341.26 852.86 858.91 858.27 390.53 -764. 27 1.23 5959786.71 642554.44 N 70.29766980 W 148. 84554197 2658.98 34.27 293. 65 2346.22 2419.47 907.51 913.75 913.08 413.98 -813. 84 2.55 5959809.20 642504.44 N 70.29773384 W 148. 84594332 2754.36 34.35 294. 37 2425.00 2498.25 961.18 967.51 966.77 435.86 -862. 95 0.43 5959830.14 642454.93 N 70.29779359 W 148. 84634099 2849.46 32.73 296. 99 2504.27 2577.52 1013.51 1020.05 1019.29 458.60 -910. 30 2.28 5959851.97 642407.15 N 70.29785570 W 148. 84672445 2945.22 32.53 295. 59 2584.92 2658.17 1064.89 1071.68 1070.92 481.47 -956. 59 0.82 5959873.95 642360.44 N 70.29791816 W 148. 84709930 3041.72 32.92 295. 47 2666.10 2739.35 1116.86 1123.85 1123.08 503.95 -1003. 67 0.41 5959895.53 642312.95 N 70.29797957 W 148. 8474 3137.37 34.60 296. 39 2745.62 2818.87 1169.79 1177.00 1176.23 527.20 -1051. 46 1.84 5959917.86 642264.72 N 70.29804307 W 148. 8 8478 3232.32 33.10 297. 73 2824.47 2897.72 1222.34 1229.88 1229.11 551.25 -1098. 56 1.76 5959941.01 642217.17 N 70.29810875 W 148. 84824896 3326.68 33.08 296. 74 2903.53 2976.78 1273.51 1281.40 1280.62 574.82 -1144. 37 0.57 5959963.70 642170.93 N 70.29817313 W 148. 84861987 3422.89 33.28 299. 28 2984.06 3057.31 1325.72 1334.05 1333.25 599.55 -1190. 84 1.46 5959987.54 642124.00 N 70.29824066 W 148. 84899623 3518.63 33.73 299. 30 3063.89 3137.14 1377.97 1386.90 1386.05 625.41 -1236. 93 0.47 5960012.51 642077.42 N 70.29831127 W 148. 84936949 3543.75 33.62 298. 17 3084.79 3158.04 1391.75 1400.82 1399.97 632.10 -1249. 15 2.53 5960018.97 642065.09 N 70.29832956 W 148. 84946839 9-5/8" ~ 3602'md 3622.23 34.18 298. 80 3149.93 3223.18 1435.11 1444.60 1443.72 652.98 -1287. 62 0.84 5960039.11 642026.23 N 70.29838658 W 148. 84977994 3717.38 35.02 298. 89 3228.25 3301.50 1488.59 1498.63 1497.72 679.05 -1334. 94 0.88 5960064.26 641978.42 N 70.29845777 W 148. 85016319 3813.04 36.25 299. 13 3306.00 3379.25 1543.73 1554.36 1553.42 706.08 -1383. 68 1.29 5960090.36 641929.17 N 70.29853159 W 148. 85055789 3909.37 34.26 298. 48 3384.66 3457.91 1598.76 1609.96 1609.00 732.87 -1432. 40 2.10 5960116.22 641879.96 N 70.29860477 W 148. 85095241 4004.01 34.59 298. 10 3462.72 3535.97 1651.79 1663.46 1662.49 758.23 -1479. 51 0.42 5960140.67 641832.38 N 70.29867402 W 148. 85133394 4100.05 33.45 295. 82 3542.33 3615.58 1705.18 1717.19 1716.21 782.60 -1527. 39 1.78 5960164.12 641784.05 N 70.29874057 W 148. 85172167 4195.24 34.50 295 .46 3621.27 3694.52 1758.17 1770.38 1769.39 805.61 -1575. 35 1.12 5960186.21 641735.66 N 70.29880342 W 148. 85211005 4290.81 33.60 293 .98 3700.45 3773.70 1811.54 1823.89 1822.85 828.00 -1623 .95 1.28 5960207.66 641686.65 N 70.29886454 W 148. 85250363 4386.40 34.01 294 .64 3779.88 3853.13 1864.61 1877.07 1875.98 849.89 -1672 .41 0.58 5960228.63 641637.78 N 70.29892433 W 148. 85289613 4481.87 32.49 294 .16 3859.72 3932.97 1916.84 1929.42 1928.27 871.52 -1720 .08 1.62 5960249.34 641589.71 N 70.29898338 W 148. 85328216 4577.44 32.44 293 .71 3940.35 4013.60 1968.06 1980.72 1979.50 892.33 -1766 .97 0.26 5960269.26 641542.44 N 70.29904021 W 148. 85366188 4671.60 32.61 294 .29 4019.74 4092.99 2018.60 2031.34 2030.07 912.92 -1813 .22 0.38 5960288.96 641495.81 N 70.29909644 W 148. 8540 4765.62 34.00 294 .56 4098.32 4171.57 2070.11 2082.97 2081.66 934.27 -1860 .22 1.49 5960309.41 641448.41 N 70.29915473 W 148. 85441 4860.44 33.58 295 .10 4177.12 4250.37 2122.70 2135.70 2134.36 956.42 -1908 .08 0.54 5960330.63 641400.14 N 70.29921519 W 148. 85480469 4955.83 32.94 294 .02 4256.89 4330.14 2174.89 2188.02 2186.64 978.16 -1955 .66 0.91 5960351.47 641352.16 N 70.29927457 W 148. 85519002 5051.95 33.03 294 .28 4337.52 4410.77 2227.12 2240.35 2238.93 999.57 -2003 .41 0.17 5960371.96 641304.01 N 70.29933302 W 148. 85557673 5147.02 33.34 294 .07 4417.08 4490.33 2279.06 2292.38 2290.92 1020.88 -2050 .88 0.35 5960392.36 641256.15 N 70.29939120 W 148. 85596120 5242.00 33.11 295 .16 4496.53 4569.78 2330.97 2344.42 2342:93 1042.56 -2098 .19 0.67 5960413.13 641208.43 N 70.29945038 W 148. 85634437 5337.82 31.39 294 .70 4577.57 4650.82 2381.96 2395.55 2394.05 1064.11 -2144 .56 1.81 5960433.79 641161.67 N 70.29950923 W 148 .85671985 5434.39 31.41 295 .74 4660.00 4733.25 2432.11 2445.86 2444.35 1085.55 -2190 .07 0.56 5960454.36 641115.76 N 70.29956777 W 148 .85708849 5530.18 32.01 295 .63 4741.49 4814.74 2482.26 2496.21 2494.69 1107.37 -2235 .45 0.63 5960475.31 641069.98 N 70.29962735 W 148 .85745597 5625.26 32.22 295 .92 4822.02 4895.27 2532.60 2546.76 2545.24 1129.35 -2280 .96 0.27 5960496.41 641024.06 N 70.29968736 W 148 .85782462 5721.16 32.50 296 .08 4903.02 4976.27 2583.71 2598.09 2596.57 1151.85 -2327 .10 0.31 5960518.03 640977.50 N 70.29974879 W 148 .85819827 5816.91 33.36 296 .46 4983.39 5056.64 2635.51 2650.14 2648.62 1174.89 -2373 .77 0.92 5960540.17 640930.40 N 70.29981169 W 148 .85857629 SurveyEditor Ver SP 2.1 Bld( doc40x_100) H-38\H-38\H-38\H-38 Generated 1 /8/2009 3:37 PM Page 2 of 6 Comments Measured Inclination Azimuth Sub-Sea TVD TVD Vertical Along Hole Closure NS EW DLS Northing Easting Latitude Longitude Depth Section Departure ft de de ft ft ft ft tt ft ft de 100 tt ftUS ftUS 5y1L.LU :i'L.25L "Ly/.;ib bUb:i.L:i 6008.17 34.27 297.05 5143.21 6103.61 33.25 298.63 .5222.56 6198.95 33.49 297.84 5302.18 6294.82 32.52 298.48 5382.58 6390.33 32.72 298.60 5463.02 6486.27 33.08 6583.03 32.47 6678.22 32.42 6772.81 32.08 6869.95 32.01 6964.73 7060.54 7156.44 7252.53 7347.23 7442.80 7538.67 7634.86 7730.35 7825.88 32.10 31.54 31.33 30.48 32.45 32.91 33.22 32.86 31.93 32.11 298.25 296.05 295.55 295.50 295.89 296.07 296.43 296.85 296.78 298.15 297.98 297.79 296.95 298.11 298.15 5543.57 5624.93 5705.27 5785.26 5867.60 5947.93 6029.34 6111.17 6193.61 6274.39 6354.83 6435.17 6515.81 6596.44 6677.43 51;ib.4r5 5216.46 5295.81 5375.43 5455.83 5536.27 5616.82 5698.18 5778.52 5858.51 5940.85 6021.18 6102.59 6184.42 6266.86 6347.64 6428.08 6508.42 6589.06 6669.68 6750.68 ZbtS/.ZZ Z/VZ.Ib Z/VU.b4 I I`J25.43 -Z4ZV.Ib V./b b`JbUbbL .6G b4U88SA/ IV /V.L~ytS/J~b VV 1425.8b6yJZV4 2739.90 2755.19 2753.66 1222.67 -2467.33 1.52 5960586 .15 640835.96 N 70.29994213 W 148.85933407 2792.51 2808.23 2806.68 1247.43 -2514.23 1.41 5960610 .01 640788.60 N 70.30000972 W 148.85971392 2844.49 2860.67 2859.09 1272.24 -2560.43 0.52 5960633 .93 640741.94 N 70.30007745 W 148.86008813 2896.26 2912.89 2911.29 1296.88 -2606.47 1.08 5960657 .69 640695.44 N 70.30014473 W 148.86046104 2947.26 2964.38 2962.74 1321.48 -2651.70 0.22 5960681 .42 640649.75 N 70.30021189 W 148.86082738 2998.89 3016.49 3014.82 1346.28 -2697.53 0.42 5960705 .34 640603.46 N 70.30027961 W 148.86119859 3050.92 3068.86 3067.19 1370.19 -2744.13 1.38 5960728 .35 640556.42 N 70.30034487 W 148.86157602 3101.78 3119.93 3118.25 1392.41 -2790.11 0.29 5960749 .70 640510.03 N 70.30040555 W 148.86194842 3152.07 3170.41 3168.72 1414.16 -2835.65 0.36 5960770 .57 640464.08 N 70.30046492 W 148.86231734 3203.41 3221.95 3220.26 1436.51 -2882.10 0.22 5960792 .03 640417.22 N 70.30052592 W 148.86269 3253.50 3272.25 3270.56 1458.55 -2927.32 0.14 5960813 .20 640371.59 N 70.30058607 W 148.86305 3303.77 3322.76 3321.07 1480.89 -2972.63 0.62 5960834 .67 640325.87 N 70.30064706 W 148.86342677 3353.51 3372.78 3371.09 1503.31 -3017.33 0.32 5960856 .23 640280.75 N 70.30070828 W 148.86378888 3402.58 3422.13 3420.44 1525.58 -3061.38 0.89 5960877 .65 640236.29 N 70.30076905 W 148.86414565 3451.65 3471.56 3469.86 1548.39 -3105.22 2.21 5960899 .62 640192.02 N 70.30083132 W 148.86450082 3502.82 3554.70 3606.78 3657.57 3707.79 3523.16 3521.44 1572. 66 -3150. 76 0.49 5960923. 02 3575.47 3573.73 1597. 13 -3196. 99 0.34 5960946. 60 3627.91 3626.17 1621. 24 -3243. 56 0.61 5960969. 82 3679.07 3677.32 1644. 88 -3288. 93 1.17 5960992. 58 3729.72 3727.95 1668. 76 -3333. 60 0.19 5961015. 61 3779.79 3777.98 1692. 98 -3377. 42 0.94 5961038. 98 3831.61 3829.72 1718. 67 -3422. 42 0.97 5961063. 81 3884.13 3882.16 1744. 96 -3467. 89 0.65 5961089. 23 3935.78 3933.71 1771. 03 -3512. 48 0.21 5961114. 44 3987.94 3985.78 1797. 00 -3557. 70 0.51 5961139. 54 4039.87 4037.71 1821. 13 -3603 .69 2.17 5961162. 78 4092.25 4090.09 1844. 43 -3650 .60 0.68 5961185. 19 4144.62 4142.45 1868. 09 -3697 .32 0.26 5961207. 95 4197.06 4194.89 1891. 43 -3744 .27 0.86 5961230. 39 4249.62 4247.45 1914. 39 -3791 .56 0.54 5961252. 44 4301.86 4299.68 1937. 34 -3838 .49 0.75 5961274. 49 4353.96 4351.78 1960. 18 -3885 .32 0.70 5961296. 43 4406.40 4404.21 1983 .05 -3932 .51 0.59 5961318. 39 4458.75 4456.55 2006 .18 -3979 .46 0.14 5961340. 63 4511.18 4508.98 2029 .85 -4026 .24 1.25 5961363 .40 4562.46 4560.26 2052 .66 -4072 .17 1.06 5961385 .32 4613.67 4611.47 2074 .77 -4118 .36 0.14 5961406 .55 4665.08 4662.86 2096 .94 -4164 .74 0.42 5961427 .83 4716.12 4713.89 2119 .13 -4210 .71 0.48 5961449 .13 4767.31 4765.08 2141 .75 -4256 .63 0.66 5961470 .87 640146.03 640099.35 640052.33 640006.52 639961.41 639917.14 639871.66 639825.70 639780.63 639734.92 N 70.30089759 W 148.86486966 N 70.30096437 W 148.86524416 N 70.30103018 W 148.86562140 N 70.30109471 W 148.86598889 N 70.30115990 W 148.86635072 N 70.30122601 W 148.86670569 N 70.30129613 W 148.86707022 N 70.30136792 W 148.86743856 N 70.30143908 W 148.86779974 N 70.30150997 W 148.86816612 7919.69 32.41 299.70 6756.76 6830.01 3757.33 8015.15 33.34 299.74 6836.93 6910.18 3808.50 8111.40 32.81 300.35 6917.59 6990.84 3860.32 8206.46 33.01 300.28 6997.39 7070.64 3911.23 8302.44 32.82 299.45 7077.97 7151.22 3962.71 8397.34 33.56 295.94 7157.39 7230.64 4014.25 8492.57 33.18 296.90 7236.92 7310.17 4066.36 8588.58 32.93 296.82 7317.39 7390.64 4118.42 8684.13 33.64 296.06 7397.27 7470.52 4170.58 8779.62 33.16 295.72 7476.99 7550.24 4222.93 8875.92 32.54 296.41 7557.89 7631.14 4274.93 8972.13 33.04 295.59 7638.77 7712.02 4326.80 9067.70 33.52 296.12 7718.66 7791.91 4379.03 9162.42 33.57 296.35 7797.61 7870.86 4431.12 9258.60 32.50 297.34 7878.24 7951.49 4483.24 9354.16 32.42 295.46 7958.87 8032.12 4534.26 9449.71 32.40 295.71 8039.54 8112.79 4585.28 9545.17 32.76 295.38 8119.98 8193.23 4636.50 9639.73 32.58 296.15 8199.58 8272.83 4687.34 9735.62 31.95 296.31 8280.66 8353.91 4738.28 639688.48 N 70.30157581 W 148.86853865 639641.14 N 70.30163941 W 148.86891865 639593.98 N 70.30170399 W 148.8692 639546.60 N 70.30176771 W 148.8696 639498.88 N 70.30183035 W 148.87006053 639451.53 N 70.30189298 W 148.87044065 639404.28 N 70.30195530 W 148.87082002 639356.66 N 70.30201772 W 148.87120231 639309.28 N 70.30208086 W 148.87158265 639262.06 N 70.30214546 W 148.87196164 639215.71 N 70.30220769 W 148.87233375 639169.10 N 70.30226804 W 148.87270795 639122.32 N 70.30232852 W 148.87308366 639075.94 N 70.30238907 W 148.87345606 639029.60 N 70.30245080 W 148.87382805 SurveyEditor Ver SP 2.1 Bld( doc4Ox_1OO) H-38\H-38\H-38\H-38 Generated 1/8/2009 3:37 PM Page 3 of 6 Comments Measured Inclination Azimuth SulrSea TVD ND Vertical Along Hole Closure NS EW DLS Northing Easting Latitude Longitude Depth Section Departure ft de de ft ft ft ft ft ft ft de 00 ft ftUS ftUS 9831.29 32.32 296. 56 8361.67 7" C~3 9936'md 9874.83 33.17 296. 55 8398.29 MWD+IFR:AK 9938.14 33.50 296. 60 8451.19 9961.27 37.06 290. 35 8470.07 9993.39 43.40 281. 98 8494.60 10025 .75 50.52 276.35 MWD+IFR+MS 10049 .42 56.20 273.44 10081 .21 61.71 272.54 10112 .87 63.08 269.16 10144 .82 64.98 266.92 10176.47 10208.53 10240.29 10272.34 10303.34 10335.46 10367.73 10399.96 10430.96 10462.48 66.78 68.38 70.28 72.32 72.89 73.39 74.35 74.31 74.07 73.85 264.05 261.97 260.11 257.19 257.50 255.88 256.41 257.38 257.07 257.60 10494.66 10526.34 10557.98 10590.08 10622.26 10653.97 10686.38 10717.85 10749.69 10782.25 10813.56 10845.32 10877.07 10908.79 10940.45 10971.25 11003.93 11035.58 11067.35 11100.83 73.49 73.28 73.21 76.09 78.62 257.79 257.97 257.22 258.40 260.73 8516.68 8530.80 8547.19 8561.86 8575.86 8588.79 8601.02 8612.23 8622.51 8631.78 8641.09 8650.06 8658.76 8667.21 8675.92 8684.97 8694.02 8703.15 8711.64 8718.69 8434.92 8471.54 8524.44 8543.32 8567.85 8589.93 8604.05 8620.44 8635.11 8649.11 8662.04 8674.27 8685.48 8695.76 8705.03 8714.34 8723.31 8732.01 8740.46 8749.17 8758.22 8767.27 8776.40 8784.89 8791.94 80. 64 262.05 8724.40 8797.65 84. 03 262.16 8728.72 8801.97 86. 92 262.62 8731.20 8804.45 86. 99 263.40 8732.89 8806.14 86. 68 265.33 8734.69 8807.94 4788.91 4818.20 4815.97 4812.33 4841.75 4839.52 4846.94 4876.54 4874.31 4860.26 4889.89 4887.63 4880.89 4910.60 4907.96 4904.02 4934.23 4930.47 4922.29 4953.21 4948.11 4948.23 4980.44 4973.08 4974.62 5008.49 4998.41 5001.14 5037.21 5023.74 5027.28 5066.10 5048.63 5053.53 5095.73 5073.53 5079.37 5125.45 5097.99 5105.11 5155.80 5122.30 5129.84 5185.38 5145.65 5155.34 5180.90 5206.70 5231.60 5256.92 5282.84 5308.37 5333.77 5359.78 5386.68 5413.89 5442.11 5469.74 5497.92 5527.07 5216.12 5247.12 5278.15 5307.98 5338.27 5369.16 5399.51 5429.81 5460.76 5492.16 5523.35 5555.46 5586.83 5618.63 5651.14 5682.39 5714.08 5745.75 5777.39 5808.96 5839.68 5872.26 5903.81 5935.47 5968.82 5169.77 5193.97 5218.53 5242.30 5266.53 5291.42 5316.01 5340.52 5365.68 5391.82 5418.37 5445.96 5473.04 5500.71 5529.41 5557.67 5586.93 5616.39 5645.80 5675.23 86.27 268. 60 8736.61 8809.86 5555.69 86.10 270. 48 8738.73 8811.98 5585.25 86.10 270 .34 8740.89 8814.14 5614.98 85.68 270 .14 8743.16 8816.41 5644.63 85.65 270 .86 8745.55 8818.80 5674.27 85.72 270 .95 8747.87 8821.12 5703.18 85.65 270 .54 8750.33 8823.58 5733.83 85.17 269 .52 8752.86 8826.11 5763.36 85.17 266 .84 8755.54 8828.79 5792.61 84.82 266 .79 8758.46 8831.71 5823.13 5703.95 5734.42 5763.80 5792.92 5823.31 2164.40 -4302.20 0.41 5961492.65 638983.61 N 70.30251262 W 148.87419721 2174.93 -4323.26 1.95 5961502.78 638962.35 N 70.30254135 W 148.87436787 2190.50 -4354.38 0.52 5961517.74 638930.95 N 70.30258382 W 148.87461995 2195.78 -4366.63 21.90 5961522.79 638918.60 N 70.30259824 W 148.87471919 2201.45 -4386.53 25.90 5961528.08 638898.59 N 70.30261369 W 148.87488042 2205.14 -4409.86 25.40 5961531.33 638875.20 N 70.30262375 W 148.87506936 2206.75 -4428.77 25.94 5961532.57 638856.26 N 70.30262810 W 148.87522255 2208.16 -4455.96 17.50 5961533.47 638829.05 N 70.30263191 W 148.87544276 2208.57 -4484.01 10.40 5961533.34 638801.01 N 70.30263299 W 148.87566992 2207.58 -4512.71 8.67 5961531.81 638772.33 N 70.30263025 W 148.87590238 2205.31 -4541.50 10.04 5961528.98 638743.59 N 70.30262398 W 148.87613 2201.70 -4570.92 7.80 5961524.81 638714.25 N 70.30261407 W 148.87637 2197.07 -4600.27 8.11 5961519.62 638685.00 N 70.30260137 W 148.87661143 2191.09 -4630.02 10.72 5961513.08 638655.36 N 70.30258499 W 148.87685242 2184.61 -4658.89 2.07 5961506.05 638626.63 N 70.30256723 W 148.87708615 2177.53 -4688.80 5.07 5961498.40 638596.86 N 70.30254785 W 148.87732838 2170.11 -4718.90 3.37 5961490.41 638566.91 N 70.30252752 W 148.87757210 2163.07 -4749.12 2.90 5961482.80 638536.83 N 70.30250824 W 148.87781684 2156.48 -4778.21 1.23 5961475.65 638507.87 N 70.30249018 W 148.87805240 2149.83 -4807.76 1.76 5961468.45 638478.45 N 70.30247198 W 148.87829174 2143.25 -4837.94 1.25 5961461.29 638448.41 N 70.30245395 W 148.87853607 2136.88 -4867.62 0.86 5961454.35 638418.86 N 70.30243648 W 148.87877642 2130.37 -4897.21 2.28 5961447.28 638389.41 N 70.30241865 W 148.87901603 2123.84 -4927.46 9.65 5961440.17 638359.28 N 70.30240075 W 148.87926102 2118.15 -4958.34 10.57 5961433.90 638328.53 N 70.30238517 W 148.87951105 2113.49 -4989.17 7.57 5961428.65 638297.78 N 70.30237236 W 148.87976079 2109.07 -5020.99 10.47 5961423.63 638266.07 N 70.30236025 W 148.88001840 2104.92 -5052.08 9.30 5961418.89 638235.06 N 70.30234884 W 148.88027020 2101.05 -5083.64 2.46 5961414.42 638203.58 N 70.30233821 W 148.88052 2097.86 -5115.99 5.99 5961410.61 638171.30 N 70.30232943 W 148.88078 2096.20 -5147.19 10.51 5961408.36 638140.14 N 70.30232485 W 148.88104046 2095.95 -5178.88 5.93 5961407.50 638108.46 N 70.30232410 W 148.88129710 2096.18 -5210.55 0.44 5961407.12 638076.79 N 70.30232466 W 148.88155364 2096.31 -5242.19 1.47 5961406.65 638045.16 N 70.30232496 W 148.88180987 2096.58 -5273.76 2.27 5961406.32 638013.60 N 70.30232565 W 148.88206554 2097.07 -5304.47 0.37 5961406.22 637982.89 N 70.30232692 W 148.88231426 2097.49 -5337.05 1.27 5961406.03 637950.30 N 70.30232801 W 148.88257816 2097.51 -5368.60 3.55 5961405.44 637918.76 N 70.30232800 W 148.88283366 2096.50 -5400.24 8.41 5961403.83 637887.15 N 70.30232519 W 148.88308990 2094.65 -5433.54 1.06 5961401.35 637853.89 N 70.30232006 W 148.88335959 SuroeyEditor Ver SP 2.1 Bld( doc40x_100) H-38\H-38\H-38\H-38 Generated 1/8/2009 3:37 PM Page 4 of 6 Comments Measured Inclination Azimuth Sub-Sea TVD TVD Vertical Along Hole Closure NS EW DLS Northing Easting Latitude Longitude Depth Section Departure ft de de tt ft ft ft ft ft ft de 100 ft ftUS ftUS 11131.17 85.45 266.19 8/61.03 8834.18 5850./1 5999.05 5850.81 1091.80 -54Ei3. /1 L.8(i 5951398. 91 ti3/8'13./(i N /0.30131495 W 148. 88380395 11162.81 88.09 265. 60 8762.82 8836.07 5879.40 6030.64 5879.44 2090.54 -5495. 22 8.55 5961396. 06 637792.31 N 70.30230871 W 148. 88385910 11195.55 88.02 266. 32 8763.93 8837.18 5909.14 6063.36 5909.14 208823 -5527. 86 2.21 5961393. 13 637759.72 N 70.30230234 W 148. 88412344 11226.64 87.61 266. 30 8765.11 8838.36 5937.45 6094.43 5937.45 2086.23 -5558. 86 1.32 5961390. 54 637728.76 N 70.30229682 W 148. 88437451 11258.92 87.27 265. 76 8766.55 8839.80 5966.77 6126.67 5966.80 2084.00 -5591. 03 1.98 5961387. 70 637696.65 N 70.30229065 W 148. 88463505 11290.78 87.37 264. 96 8768.04 8841,29 5995.55 6158.50 5995.64 2081.43 -5622. 75 2.53 5961384. 52 637664.98 N 70.30228356 W 148. 88489193 11323.24 87.20 265. 61 8769.58 8842.83 6024.85 6190.92 6025.03 2078.76 -5655. 07 2.07 5961381. 24 637632.73 N 70.30227621 W 148. 88515363 11354.34 87.95 263. 61 8770.90 8844.15 6052.77 6221.99 6053.07 2075.84 -5686. 00 6.86 5961377. 73 637601.86 N 70.30226817 W 148. 88540413 11385.87 89.84 263. 79 8771.50 8844.76 6080.88 6253.52 6081.34 2072.38 -5717. 33 6.02 5961373. 67 637570.60 N 70.30225866 W 148. 88565787 11418.12 90.28 263. 79 8771.47 8844.72 6109.65 6285.77 6110.31 2068.90 -5749. 39 1.36 5961369. 57 637538.61 N 70.30224906 W 148. 88591750 11449.95 90.80 263. 71 8771.17 8844.42 6138.04 6317.60 6138.92 2065.43 -5781. 03 1.65 5961365. 51 637507.05 N 70.30223953 W 148. 886173 11481.59 90.49 263. 51 8770.82 8844.07 6166.23 6349.23 6167.36 2061.91 -5812. 47 1.17 5961361. 39 637475.68 N 70.30222984 W 148. 8864 11513.43 92.96 264. 37 8769.86 8843.11 6194.66 6381.06 6196.07 2058.55 -5844. 12 8.21 5961357. 42 637444.11 N 70.30222059 W 148. 88668 11545.84 95.33 265. 88 8767.51 8840.76 6223.83 6413.38 6225.55 2055.80 -5876. 32 8.66 5961354. 06 637411.97 N 70.30221302 W 148. 88694542 11578.05 97.92 267. 15 8763.80 8837.05 6253.03 6445.37 6255.06 2053.86 -5908. 26 8.94 5961351. 51 637380.08 N 70.30220764 W 148. 88720403 11609.63 99.90 270. 02 8758.91 8832.16 6281.94 6476.57 6284.27 2053.08 -5939. 44 10.95 5961350. 14 637348.92 N 70.30220546 W 148. 88745658 11641.84 100.29 273. 69 8753.26 8826.51 6311.96 6508.28 6314.57 2054.11 -5971. 13 11.28 5961350. 56 637317.22 N 70.30220819 W 148. 88771324 11673.79 100.74 278. 32 8747.42 8820.67 6342.35 6539.69 6345.17 2057.39 -6002. 36 14.32 5961353. 25 637285.93 N 70.30221710 W 148. 88796620 11705.58 100.92 281. 61 8741.45 8814.70 6373.03 6570.92 6376.01 2062.80 -6033. 11 10.18 5961358. 07 637255.09 N 70.30223179 W 148. 88821527 11737.45 99.24 285. 36 8735.87 8809.12 6404.15 6602.29 6407.25 2070.11 -6063. 61 12.73 5961364. 80 637224.45 N 70.30225171 W 148. 88846238 11769.54 98.03 284. 73 8731.05 8804.30 6435.73 6634.02 6438.90 2078.35 -6094. 25 4.24 5961372. 45 637193.66 N 70.30227414 W 148. 88871057 11801.39 97.78 284. 98 8726.67 8799.92 6467.12 6665.57 6470.37 2086.44 -6124. 75 1.10 5961379. 95 637163.02 N 70.30229617 W 148. 88895758 11832.63 98.55 284. 77 8722.24 8795.49 6497.88 6696.49 6501.22 2094.38 -6154 .63 2.55 5961387. 32 637132.99 N 70.30231779 W 148. 88919968 11865.09 99.35 284 .82 8717.19 8790.44 6529.78 6728.55 6533.21 2102.56 -6185 .63 2.47 5961394. 91 637101.84 N 70.30234009 W 148. 88945082 11896.94 98.93 285 .99 8712.13 8785.38 6561.10 6760.00 6564.60 2110.92 -6215 .95 3.86 5961402. 69 637071.38 N 70.30236284 W 148. 88969640 11928.49 97.51 290 .13 8707.61 8780.86 6592.28 6791.22 6595.82 2120.60 -6245 .63 13.74 5961411. 80 637041.52 N 70.30238922 W 148. 88993683 11960.68 95.81 292 .07 8703.88 8777.13 6624.25 6823.20 6627.76 2132.11 -6275 .45 7.98 5961422. 74 637011.48 N 70.30242060 W 148. 89017847 11992.15 93.34 294 .85 8701.37 8774.62 6655.58 6854.56 6659.02 2144.59 -6304 .23 11.80 5961434. 67 636982.48 N 70.30245465 W 148. 89041158 12024.33 91.62 298 .36 8699.98 8773.23 6687.55 6886.71 6690.87 2158.99 -6332 .97 12.14 5961448. 52 636953.48 N 70.30249391 W 148. 89064444 12056.29 89.74 301 .20 8699.60 8772.85 6719.09 6918.67 6722.24 2174.86 -6360 .70 10.66 5961463. 85 636925.45 N 70.30253720 W 148. 89086 12087.54 88.78 304 .03 8700.00 8773.25 6749.65 6949.91 6752.59 2191.70 -6387 .02 9.56 5961480 .19 636898.82 N 70.30258315 W 148. 89108242 12119.55 88.09 307 .76 8700.88 8774.13 6780.52 6981.91 6783.20 2210.46 -6412 .93 11.85 5961498 .45 636872.55 N 70.30263433 W 148. 89129245 12151.48 86.61 309 .80 8702.35 8775.60 6810.82 7013.81 6813.23 2230.43 -6437 .80 7.89 5961517 .94 636847.31 N 70.30268884 W 148. 89149395 12183.17 86.58 310 .41 8704.23 8777.48 6840.65 7045.44 6842.77 2250.81 -6461 .99 1.92 5961537 .85 636822.73 N 70.30274446 W 148 .89169006 12215.05 86.41 309 .88 8706.18 8779.43 6870.64 7077.26 6872.50 2271.33 -6486 .31 1.74 5961557 .90 636798.02 N 70.30280045 W 148 .89188720 12247.06 85.82 309 .73 8708.35 8781.60 6900.81 7109.20 6902.42 2291.77 -6510 .85 1.90 5961577 .87 636773.11 N 70.30285624 W 148 .89208606 12277.98 84.27 310 .22 8711.02 8784.27 6929.87 7140.00 6931.26 2311.56 -6534 .45 5.26 5961597 .21 636749.13 N 70.30291025 W 148 .89227738 12309.93 80.60 311 .51 8715.23 8788.48 6959.58 7171.67 6960.76 2332.28 -6558 .40 12.16 5961617 .46 636724.79 N 70.30296679 W 148 .89247149 12342.08 80.05 311 .26 8720.63 8793.88 6989.22 7203.36 6990.19 2353.23 -6582 .18 1.87 5961637 .95 636700.62 N 70.30302398 W 148 .89266422 12373.89 80.08 312 .36 8726.12 8799.37 7018.43 7234.69 7019.23 2374.12 -6605 .54 3.41 5961658 .39 636676.87 N 70.30308098 W 148 .89285352 12405.58 79.87 312.66 8731.64 8804.89 7047.39 7265.90 7048.02 2395.21 -6628.54 1.14 5961679.03 636653.47 N 70.30313854 W 148.89303999 SurveyEditor Ver SP 2.1 Bld( doc40x_100) H-38\H-38\H-38\H-38 Generated 1/8/2009 3:37 PM Page 5 of 6 Comments Measured Inclination Azimuth Sub-Sea TVD TVD Vertical Along Hole Closure NS EW DLS Northing Easting Latitude Longitude Depth Section Departure ft de de ft ft ft ft ft ft ft de 00 ft ftUS ftUS 12437.03 79.43 311.96 873/.29 6810.54 /U/6.14 /296.84 /U/6.62L416.U3 -6651.42 2.60 5961699.42 12468.99 78.97 312.77 8743.28 8816.53 7105.30 7328.23 7105.66 2437.19 -6674.61 2.88 5961720.12 12501.22 78.55 312.86 8749.56 8822.81 7134.57 7359.84 7134.82 2458.67 -6697.80 1.33 5961741.16 12532.57 78.30 313.65 8755.85 8829.10 7162.92 7390.56 7163.08 2479.72 -6720.17 2.59 5961761.77 12565.31 77.61 313.62 8762.68 8835.93 7192.40 7422.58 7192.48 2501.81 -6743.34 2.11 5961783.42 Last Survey 12596.06 78.33 312.95 8769.09 8842.34 7220.15 7452.65 7220.19 2522.43 -6765.24 3.17 5961803.62 TD (Projected) 12652.00 78.33 312.95 8780.40 8853.65 7270.83 7507.43 7270.83 2559.76 -6805.34 0.00 5961840.17 Survey Type: Definitive Survey NOTES: GYD GC SS - (Gyrodata -gyro single shots -- Gyrodata gyro orientation surveys. Not to be run above 70 degrees inclination. ) MWD + IFR:AK - (In-field referenced MWD in Alaska. Model takes account of increased violence of magnetic field disturbances in Alaska. Assumes a BHA sag correction is applied to enhance inclination accuracy. ) MWD + IFR + MS - (In-field referenced MWD with mull-station analysis and correction applied in post-processing. Assumes a BHA sag correction is applied to enhance inclination accuracy. ) Legal Description: Northing (Y) fftUSl Easting (X) fftUSl Surface : 3902 FSL 1265 FEL S21 T11 N R13E UM 5959410.85 643325.96 BHL : 1178 FSL 2784 FEL S17 Ti 1 N R13E UM 5961840.17 636473.59 636630.20 N 70.30319538 W 148.89322544 636606.61 N 70.30325311 W 148.89341346 636583.02 N 70.30331175 W 148.89360143 636560.25 N 70.30336919 W 148.89378275 636536.67 N 70.30342949 W 148.89397060 636514.39 N 70.30348577 W 148.89414807 636473.59 N 70.30358765 W 148.89447312 • SurveyEditor Ver SP 2.1 Bld( doc40x_100) H-38\H-38\H-38\H-38 Generated 1/8/2009 3:37 PM Page 6 of 6 ___ . KB. ~ LN = 73.25 BFI. ELEV = 44.7 KOP = 250' Max Angle = 100.92 Datum MD - Datum ND = 8800 TOC 4,470' TREE= CIW 41116 5M WELLHEAD= FMC Gen 5 CSG HEAD= 11' SM W/ 7" MANDREL HANGER 8~ PACKOFF TBG SPOOL = 11" X 11" SM TBG HANGER = 11" X 4112" ADP FLANGE= 11"X4-1/16" 108' 20", 215.5#, A-53, hsulated Conductor 2191' HES 4-1/2 'X' Landing Nipple; ID = 3.813" 3,599' 9-518", 40 #/ft, L-80, BTC, ID = 8.835", Drift to 8.75" GAS LIFT MANDRELS (4-1/2" x 1" KBMG) Minimum ID = 3.725" @ 9,757' 4-1/2" HES XN NIPPLE 4-1/2", 12.6#/ft, 13 Chrome, 9,770 VamTop, ID = 3.958" PERFORATION SUMMARY REF LOG: Schwmberger GR/RES/DEN/NEU 12/1 ANGLEAT TOP PERF: 93° ~ 11510' Note: Refer to PYoductan DB for historical per SQE SPF INTERVAL Opn/Sqz C 2.88" 6 11510-11550 Opn 12 2.88" 6 11600-11780 Opn 12 2.88" 6 11830-12140 Opn 12 2.88" 6 12200-12270 Opn 12 2.88" 6 12500-12530 Opn 12 ST MD ND DEV TYPE VLV LATCH PORT DATE 4 4270 3756 33° KBG2 DCK BEK 12/12/08 3 6722 5815 32° KBG2 DMY BK 12/12/08 2 8470 7291 33° KBG2 DMY BK 12/12/08 1 9584 8226 32.5° KBG2 DMY BK 12/12/08 ~~ I$412'XNFR~ LQ3813' ,fi93' BAKER PKR 7" X 4-1/2" S-3, ID = 3.88", xx' TBS ,726' HES 4-1/2" X NIPPLE; ID = 3.813" ,757' HES 4-1/2" XN NIPPLE; ID= 3.725" ,761, 7" x 4-1 /2" Baker Flex-Loc Liner Hanger (ID =2.992") w/ ZXP Liner Top Pkr w/ 11.76' TBS (ID = 5.25") 7", 26 #/ft, L-80, BTC-M (f/9936' to 4608' M D) & TC-II ,936' (f/4608'to SurfJ, ID = 6.276" 2,568' 4-1 /2" PBTD 1,651' 4-1/2", 12.6#, 13CR-80, VamTOP, ID = 3.958" DATE REV BY COMMENTS DATE REV BY COMMENTS 06/24/08 TMP INffIAL 12/12/08 ALM 7ES As-Drilled PRUDHOE BAY UNff WELL: DS 12-37 PERMff No: API No: BP Exploration (Alaska) `H-38 Completion SCHLiJMBERGER Survey report 7-Dec-2008 20:52:23 Page 1 of 8 ~'i Og 1 6` Client....... ............. Field ..................... Well ...................... API number ................ Engineer .................. 7E5 ....................... STATE :...................: ----- Survey calculation m Method for positions.....: Method for DLS...........: BP Prudhoe Bay H-38 50-029-23402-00 E. Galotta NSB AK ethods------------ Minimum curvature Mason & Taylor ----- Depth reference ----------------------- Permanent datum..........: Mean Sea Level Depth reference..........: Drillers Depth GL above permanent.......: 44.70 ft KB above permanent.......: N/A DF above permanent.......: 73.25 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: 290.63 degrees [(c)2008 IDEAL ID13_OC_13] Spud date ................: 11-Nov-08 Last survey date.........: 07-Dec-08 Total accepted surveys...: 192 MD of first survey.......: 0.00 ft MD of last survey........: 12596.06 ft ----- Geomagnetic data ---------------------- Magnetic model...........: BGGM version 2008 Magnetic date ............: 13-Nov-2008 Magnetic field strength..: 57684.90 GAMA Magnetic dec (+E/W-)...... 22.89 degrees Magnetic dip .............: 80.90 degrees ----- MWD survey Reference Reference G ............... Reference H ............... Reference Dip ............. Tolerance of G...........: Tolerance of H............ Tolerance of Dip.........: Criteria --------- 1002.68 meal 57685.00 GAMA 80.90 degrees (+/-) 2.50 meal (+/-)300.00 LAMA (+/-) 0.45 degrees ----- Corrections --------------------------- Magnetic dec (+E/W-).....: 22.88 degrees Grid convergence (+E/W-).: 0.00 degrees Total az corr (+E/W-)..... 22.88 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 • s SCHLUMBERGER Survey Report 7-Dec-2008 20:52:23 Page 2 of 8 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 BP _GYD SS 2 100.00 0.30 291.15 100.00 100.00 0.26 0.09 -0.24 0.26 291.15 0.30 BP _GYD SS 3 200.00 0.39 283.69 100.00 200.00 0.86 0.27 -0.82 0.86 288.21 0.10 BP _GYD SS 4 300.00 1.14 286.36 100.00 299.99 2.19 0.63 -2.10 2.20 286.67 0.75 BP _GYD SS 5 400.00 2.35 290.50 100.00 399.94 5.23 1.63 -4.98 5.24 288.11 1.22 BP _GYD SS 6 500 00 4 49 287.01 100.00 499.76 11.19 3.49 -10.64 11.20 288.16 2.15 BP _GYD SS 7 . 518.00 . 4.68 291.28 18.00 517.70 12.63 3.96 -12.00 12.64 288.28 2.17 BP _GYD SS 8 573.43 5.14 291.78 55.43 572.92 17.37 5.71 -16.41 17.38 289.17 0.83 BP _MWD+IFR+MS 9 663.92 7.11 293.81 90.49 662.89 27.02 9.47 -25.30 27.02 290.52 2.19 BP _MWD+ IFR+MS 10 753.78 7.72 297.87 89.86 752.00 38.56 14.54 -35.73 38.57 292.14 0.89 BP _MWD+ IFR+MS 11 843.84 9.41 302.43 90.06 841.06 51.77 12 938.18 12.92 302.37 94.34 933.60 69.65 13 1034.58 16.66 302.15 96.40 1026.79 93.75 14 1130.47 19.59 300.20 95.89 1117.91 123.07 15 1225.89 21.68 295.78 95.42 1207.21 156.41 16 1321.50 23.20 296.58 95.61 1295.58 192.73 17 1415.87 24.72 296.63 94.37 1381.81 230.84 18 1511.31 26.72 298.42 95.44 1467.79 271.95 19 1606.93 28.34 297.62 95.62 1552.58 315.78 20 1703.29 30.25 295.28 96.36 1636.62 362.68 21 1798.91 33.58 294.52 95.62 1717.77 413.08 22 1893.62 35.56 297.28 94.71 1795.76 466.58 23 1989.24 35.22 296.97 95.62 1873.71 521.60 24 2085.20 35.06 298.00 95.96 1952.18 576.44 25 2180.80 35.53 299.19 95.60 2030.21 631.14 26 2275.81 35.36 295.96 95.01 2107.62 685.81 27 2371.85 35.84 296.67 96.04 2185.71 741.44 28 .2467.59 35.63 294.93 95.74 2263.43 797.13 29 2563.46 35.82 296.92 95.87 2341.26 852.86 30 2658.98 34.27 293.65 95.52 2419.47 907.51 21.31 -47.29 31.10 -62.71 44.23 -83.52 59.63 -109.06 75.35 -138.76 91.46 -171.51 108.62 -205.77 127.78 -242.48 148.53 -281.50 169.50 -323.72 190.77 -369.57 214.26 -417.88 239.51 -467.17 265.00 -516.17 291.44 -564.66 316.94 -613.49 341.73 -663.60 366.06 -713.93 390.53 -764.27 413.98 -813.84 51.87 294.26 70.00 296.38 94.51 297.90 124.30 298.67 157.90 298.50 194.37 298.07 232.68 297.83 274.09 297.79 318.28 297.82 365.41 297.64 415.90 297.30 469.61 297.15 524.99 297.14 580.22 297.18 635.44 297.30 690.52 297.32 746.42 297.25 802.31 297.15 858.27 297.07 913.08 296.96 2.02 BP_MWD+IFR+MS 3.72 BP_MWD+IFR+MS 3.88 BP_MWD+IFR+MS 3.12 BP_MWD+IFR+MS 2.73 BP_MWD+IFR+MS 1.62 BP_MWD+IFR+MS 1.61 BP_MWD+IFR+MS 2.25 BP_MWD+IFR+MS 1.74 BP_MWD+IFR+MS 2.31 BP_MWD+IFR+MS 3.51 BP_MWD+IFR+MS 2.67 BP_MWD+IFR+MS 0.40 BP_MWD+IFR+MS 0.64 BP_MWD+IFR+MS 0.87 BP_MWD+IFR+MS 1.98 BP_MWD+IFR+MS 0.66 BP_MWD+IFR+MS 1.08 BP_MWD+IFR+MS 1.23 BP_MWD+IFR+MS 2.55 BP_MWD+IFR+MS [(c)2008 IDEAL ID13_OC_13] SCHLUMBERGER Survey Report 7-Dec-2008 20:52:23 Page 3 of 8 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) 31 2754.36 34.35 294.37 95.38 2498.25 961.18 435.86 -862.95 966.77 296.80 0.43 BP_ MWD+IFR+MS 32 2849.46 32.73 296.99 95.10 2577.52 1013.51 458.60 -910.30 1019.29 296.74 2.28 BP_ MWD+IFR+MS 33 2945.22 32.53 295.59 95.76 2658.17 1064.89 481.47 -956.59 1070.92 296.72 0.82 BP_ MWD+IFR+MS 34 3041.72 32.92 295.47 96.50 2739.35 1116.86 503.95 -1003.67 1123.08 296.66 0.41 BP_ MWD+IFR+MS 35 3137.37 34.60 296.39 95.65 2818.87 1169.79 527.20 -1051.46 1176.23 296.63 1.84 BP_ MWD+IFR+MS 36 32 3232 33.10 297.73 94.95 2897.72 1222.34 551.25 -1098.56 1229.11 296.65 1.76 BP_ MWD+IFR+MS 37 . 3326.68 33.08 296.74 94.36 2976.78 1273.51 574.82 -1144.37 1280.62 296.67 0.57 BP_ MWD+IFR+MS • 38 3422.89 33.28 299.28 96.21 3057.31 1325.72 599.55 -1190.84 1333.25 296.72 1.46 BP_ MWD+IFR+MS 39 3518.63 33.73 299.30 95.74 3137.14 1377.97 625.41 -1236.93 1386.05 296.82 0.47 BP_ MWD+IFR+MS 40 3543.75 33.62 298.17 25.12 3158.04 1391.75 632.10 -1249.15 1399.97 296.84 2.53 BP_ MWD+IFR+MS 41 3622.23 34.18 298.80 78.48 3223.18 1435.11 652.98 -1287.62 1443.72 296.89 0.84 BP_ INC+TREND 42 3717.38 35.02 298.89 95.15 3301.50 1488.59 679.05 -1334.94 1497.72 296.96 0.88 BP_ MWD+IFR+MS 43 3813.04 36.25 299.13 95.66 3379.25 1543.73 706.08 -1383.68 1553.42 297.03 1.29 BP_ MWD+IFR+MS 44 3909.37 34.26 298.48 96.33 3457.91 1598.76 732.87 -1432.40 1609.00 297.10 2.10 BP_ MWD+IFR+MS 45 4004.01 34.59 298.10 94.64 3535.97 1651.79 758.23 -1479.51 1662.49 297.13 0.42 BP_ MWD+IFR+MS 46 4100.05 33.45 295.82 96.04 3615.58 1705.18 782.60 -1527.39 1716.21 297.13 1.78 BP_ MWD+IFR+MS 47 4195.24 34.50 295.46 95.19 3694.52 1758.17 805.61 -1575.35 1769.39 297.08 1.12 BP _MWD+IFR+MS 48 4290.81 33.60 293.98 95.57 3773.70 1811.54 828.00 -1623.95 1822.85 297.02 1.28 BP _MWD+IFR+MS 49 4386.40 34.01 294.64 95.59 3853.13 1864.61 849.89 -1672.41 1875.97 296.94 0.58 BP _MWD+IFR+MS 50 4481.87 32.49 294.16 95.47 3932.97 1916.84 871.52 -1720.08 1928.27 296.87 1.62 BP _MWD+IFR+MS 51 4577.44 32.44 293.71 95.57 4013.60 1968.06 892.33 -1766.97 1979.50 296.79 0.26 BP _MWD+IFR+MS 52 4671.60 32.61 294.29 94.16 4092.99 2018.60 912.92 -1813.22 2030.07 296.72 0.38 BP _MWD+IFR+MS 53 4765.62 34.00 294.56 94.02 4171.57 2070.11 934.27 -1860.22 2081.65 296.67 1.49 BP _MWD+IFR+MS 54 4860.44 33.58 295.10 94.82 4250.37 2122.70 956.42 -1908.08 2134.36 296.62 0.54 BP _MWD+IFR+MS 55 4955.83 32.94 294.02 95.39 4330.14 2174.89 978.16 -1955.66 2186.64 296.57 0.91 BP _MWD+IFR+MS 56 5051.95 33.03 294.28 96.12 4410.77 2227.12 999.57 -2003.41 2238.93 296.52 0.17 BP _MWD+IFR+MS 57 5147.02 33.34 294.07 95.07 4490.33 2279.06 1020.88 -2050.88 2290.92 296.46 0.35 BP _MWD+IFR+MS 58 5242.00 33.11 295.16 94.98 4569.78 2330.97 1042.56 -2098.19 2342.93 296.42 0.67 BP _MWD+IFR+MS 59 5337.82 31.39 294.70 95.82 4650.82 2381.96 1064.11 -2144.55 2394.04 296.39 1.81 BP _MWD+IFR+MS 60 5434.39 31.41 295.74 96.57 4733.25 2432.11 1085.55 -2190..07 2444.35 296.37 0.56 BP _MWD+IFR+MS [(c)2008 IDEAL ID13_OC_13] SCHLUMBERGER Survey Report 7-Dec-2008 20:52:23 Page 4 of 8 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) 61 5530.18 32.01 295.63 95.79 4814.74 2482.26 1107.37 -2235.45 2494.69 296.35 0.63 BP _MWD+IFR+MS 62 5625.26 32.22 295.92 95.08 4895.27 2532.60 1129.35 -2280.96 2545.24 296.34 0.27 BP _MWD+IFR+MS 63 5721.16 32.50 296.08 95.90 4976.27 2583.71 1151.85 -2327.10 2596.56 296.33 0.31 BP _MWD+IFR+MS 64 5816.91 33.36 296.46 95.75 5056.64 2635.51 1174.89 -2373.77 2648.61 296.33 0.92 BP _MWD+IFR+MS 65 5912.20 32.82 297.35 95.29 5136.48 2687.22 1198.43 -2420.16 2700.64 296.34 0.76 BP _MWD+IFR+MS 66 6008.17 34.27 297.05 95.97 5216.46 2739.90 1222.67 -2467.33 2753.66 296.36 1.52 BP _MWD+IFR+MS 67 6103.61 33.25 298.63 95.44 5295.81 2792.51 1247.43 -2514.23 2806.68 296.39 1.41 BP _MWD+IFR+MS 68 6198.95 33.49 297.84 95.34 5375.43 2844.49 1272.24 -2560.43 2859.09 296.42 0.52 BP _MWD+IFR+MS 69 6294.82 32.52 298.48 95.87 5455.83 2896.26 1296.88 -2606.47 2911.29 296.45 1.08 BP _MWD+IFR+MS 70 6390.33 32.72 298.60 95.51 5536.27 2947.26 1321.48 -2651.70 2962.74 296.49 0.22 BP _MWD+IFR+MS 71 6486.27 33.08 298.25 95.94 5616.83 2998.89 1346.28 -2697.53 3014.82 296.52 0.42 BP _MWD+IFR+MS 72 6583.03 32.47 296.05 96.76 5698.18 3050.92 1370.19 -2744.13 3067.19 296.53 1.38 BP _M[nID+IFR+MS 73 6678.22 32.42 295.55 95.19 5778.52 3101.78 1392.41 -2790.11 3118.25 296.52 0.29 BP _MWD+IFR+MS 74 6772.81 32.08 295.50 94.59 5858.51 3152.07 1414.16 -2835.65 3168.72 296.51 0.36 BP _MWD+IFR+MS 75 6869.95 32.01 295.89 97.14 5940.85 3203.41 1436.51 -2882.10 3220.26 296.49 0.22 BP _M[nID+IFR+MS 76 6964.73 32.10 296.07 94.78 6021.18 3253.50 1458.55 -2927.32 3270.56 296.48 0.14 BP _MWD+IFR+MS 77 7060.54 31.54 296.43 95.81 6102.59 3303.77 1480.89 -2972.63 3321.07 296.48 0.62 BP _MWD+IFR+MS 78 7156.44 31.33 296.85 95.90 6184.42 3353.51 1503.31 -3017.33 3371.09 296.48 0.32 BP _MWD+IFR+MS 79 7252.53 30.48 296.78 96.09 6266.86 3402.57 1525.58 -3061.38 3420.44 296.49 0.89 BP _MWD+IFR+MS 80 7347.23 32.45 298.15 94.70 6347.64 3451.65 1548.39 -3105.22 3469.86 296.50 2.21 BP _MWD+IFR+M5 81 7442.80 32.91 297.98 95.57 6428.08 3502.82 1572.66 -3150.76 3521.44 296.53 0.49 BP _MWD+IFR+MS 82 7538.67 33.22 297.79 95.87 6508.42 3554.70 1597.13 -3196.99 3573.73 296.55 0.34 BP _MWD+IFR+MS 83 7634.86 32.86 296.95 96.19 6589.06 3606.78 1621.24 -3243.56 3626.17 296.56 0.61 BP _MWD+IFR+MS 84 7730.35 31.93 298.11 95.49 6669.69 3657.57 1644.88 -3288.93 3677.32 296.57 1.17 BP _MWD+IFR+MS 85 7825.88 32.11 298.15 95.53 6750.68 3707.79 1668.76 -3333.60 3727.95 296.59 0.19 BP _MWD+IFR+MS 86 7919.69 32.41 299.70 93.81 6830.01 3757.33 1692.98 -3377.42 3777.98 296.62 0.94 BP _MWD+IFR+MS 87 8015.15 33.34 299.74 95.46 6910.18 3808.50 1718.67 -3422.42 3829.72 296.66 0.97 BP _MWD+IFR+MS 88 8111.40 32.81 300.35 96.25 6990.84 3860.32 1744.96 -3467.89 3882.16 296.71 0.65 BP _MWD+IFR+MS 89 8206.46 33.01 300.28 95.06 7070.64 3911.23 1771.03 -3512.48 3933.71 296.76 0.21 BP _MWD+IFR+MS 90 8302.44 32.82 299.45 95.98 7151.22 3962.71 1797.00 -3557.70 3985.78 296.80 0.51 BP _MWD+IFR+MS [(c)2008 IDEAL ID13_OC_13] SCHLUMBERGER Survey Report 7-Dec-2008 20:52:23 Page 5 of 8 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) --- 91 -------- 8397.34 ------ 33.56 ------- 295.94 ------ 94.90 ------- 7230.64 4014.24 1821.12 -3603.69 4037.71 296.81 2.17 BP_ MWD+IFR+MS 92 8492.57 33.18 296.90 95.23 7310.17 4066.36 1844.43 -3650.60 4090.09 296.80 0.68 BP_ MWD+IFR+MS 93 8588.58 32.93 296.82 96.01 7390.64 4118.42 1868.09 -3697.32 4142.45 296.81 0.26 BP_ MWD+IFR+MS 94 8684.13 33.64 296.06 95.55 7470.52 4170.58 1891.43 -3744.27 4194.89 296.80 0.86 BP_ MWD+IFR+MS 95 8779.62 33.16 295.72 95.49 7550.24 4222.93 1914.39 -3791.56 4247.45 296.79 0.54 BP _MWD+IFR+MS 96 8875.92 32.54 296.41 96.30 7631.14 4274.93 1937.34 -3838.49 4299.68 296.78 0.75 BP _MWD+IFR+MS 97 8972.13 33.04 295.59 96.21 7712.02 4326.80 1960.18 -3885.32 4351.78 296.77 0.70 BP _MWD+IFR+MS 98 9067.70 33.52 296.12 95.57 7791.91 4379.03 1983.05 -3932.51 4404.21 296.76 0.59 BP _MWD+IFR+MS 99 9162.42 33.57 296.35 94.72 7870.86 4431.12 2006.18 -3979.46 4456.55 296.75 0.14 BP _MWD+IFR+MS 100 9258.60 32.50 297.34 96.18 7951.49 4483.24 2029.85 -4026.24 4508.98 296.76 1.25 BP _MWD+IFR+MS 101 9354.16 32.42 295.46 95.56 8032.12 4534.26 2052.66 -4072.17 4560.26 296.75 1.06 BP _MWD+IFR+MS 102 9449.71 32.40 295.71 95.55 8112.79 4585.28 2074.77 -4118.36 4611.46 296.74 0.14 BP _MWD+IFR+MS 103 9545.17 32.76 295.38 95.46 8193.23 4636.50 2096.94 -4164.74 4662.86 296.73 0.42 BP _MWD+IFR+MS 104 9639.73 32.58 296.15 94.56 8272.83 4687.33 2119.13 -4210.71 4713.89 296.71 0.48 BP _MWD+IFR+MS 105 9735.62 31.95 296.31 95.89 8353.91 4738.28 2141.75 -4256.63 4765.08 296.71 0.66 BP _MWD+IFR+MS 106 9831.29 32.32 296.56 95.67 8434.92 4788.91 2164.40 -4302.20 4815.97 296.71 0.41 BP _MWD+IFR+MS 107 9874.83 33.17 296.55 43.54 8471.54 4812.33 2174.93 -4323.26 4839.52 296.71 1.95 BP _MWD+IFR+MS 108 9938.14 33.50 296.60 63.31 8524.44 4846.94 2190.50 -4354.38 4874.31 296.71 0.52 BP _INC+TREND 109 9961.27 37.06 290.35 23.13 8543.32 4860.26 2195.78 -4366.63 4887.63 296.70 21.90 BP _MWD+IFR:AK 110 9993.39 43.40 281.98 32.12 8567.85 4880.89 2201.45 -4386.53 4907.96 296.65 25.90 BP _MWD+IFR:AK 111 10025.75 112 10049.42 113 10081.21 114 10112.87 115 10144.82 116 10176.47 117 10208.53 118 10240.29 119 10272.34 120 10303.34 50.52 276.35 56.20 273.44 61.71 272.54 63.08 269.16 64.98 266.92 66.78 264.05 68.38 261.97 70.28 260.11 72.32 257.19 72.89 257.50 32.36 8589.93 4904.02 2205.14 -4409.86 4930.47 296.57 25.40 BP _MWD+IFR:AK • 23.67 8604.05 4922.28 2206.75 -4428.77 4948.11 296.49 25.94 BP _MWD+IFR+MS 31.79 8620.44 4948.23 2208.16 -4455.96 4973.08 296.36 17.50 BP _MWD+IFR+MS 31.66 8635.11 4974.62 2208.57 -4484.01 4998.41 296.22 10.40 BP _MWD+IFR+M5 31.95 8649.11 5001.14 2207.58 -4512.71 5023.74 296.07 8.67 BP _MWD+IFR+MS 31.65 8662.04 5027.28 2205.30 -4541.50 5048.62 295.90 10.04 BP _MWD+IFR+MS 32.06 8674.27 5053.53 2201.70 -4570.92 5073.53 295.72 7.80 BP _MWD+IFR+MS 31.76 8685.48 5079.37 2197.06 -4600.26 5097.99 295.53 8.11 BP _MWD+IFR+MS 32.05 8695.76 5105.11 2191.09 -4630.02 5122.30 295.33 10.72 BP _MWD+IFR+MS 31.00 8705.03 5129.84 2184.61 -4658.89 5145.65 295.12 2.07 BP _MWD+IFR+MS [(c)2008 IDEAL ID13_OC_13] SCHLLTI`~ERGER Survey Report 7-Dec-2008 20:52:23 Page 6 of 8 --- 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) --- 121 -------- 10335.46 ------ 73.39 ------- 255.88 --- 32.12 8714.34 5155.34 2177.53 -4688.80 5169.76 294.91 5.07 BP_ N1WD+IFR+MS 122 10367.73 74.35 256.41 32.27 8723.31 5180.89 2170.11 -4718.90 5193.97 294.70 3.37 BP_ MWD+IFR+MS 123 10399.96 74.31 257.38 32.23 8732.01 5206.70 2163.07 -4749.12 5218.52 294.49 2.90 BP_ MWD+IFR+MS 124 10430.96 74.07 257.07 31.00 8740.46 5231.60 2156.47 -4778.21 5242.29 294.29 1.23 BP_ MWD+IFR+MS 125 10462.48 73.85 257.60 31.52 8749.17 5256.92 2149.83 -4807.76 5266.53 294.09 1.76 BP_ MWD+IFR+M5 126 10494.66 73.49 257.79 32.18 8758.22 5282.84 2143.25 -4837.94 5291.42 293.89 1.25 BP_ MWD+IFR+MS 127 10526.34 73.28 257.97 31.68 8767.27 5308.37 2136.88 -4867.62 5316.01 293.70 0.86 BP_ MWD+IFR+MS • 128 10557.98 73.21 257.22 31.64 8776.40 5333.77 2130.37 -4897.21 5340.51 293.51 2.28 BP_ MWD+IFR+MS 129 10590.08 76.09 258.40 32.10 8784.89 5359.78 2123.84 -4927.46 5365.68 293.32 9.65 BP_ MWD+IFR+MS 130 10622.26 78.62 260.73 32.18 8791.94 5386.67 2118.15 -4958.33 5391.81 293.13 10.57 BP_ MWD+IFR+MS 131 10653.97 80.64 262.05 31.71 8797.65 5413.89 2113.48 -4989.17 5418.36 292.96 7.57 BP_ MWD+IFR+MS 132 10686.38 84.03 262.16 32.41 8801.97 5442.11 2109.07 -5020.98 5445.96 292.78 10.47 BP_ MWD+IFR+MS 133 10717.85 86.92 262.62 31.47 8804.45 5469.74 2104.92 -5052.08 5473.04 292.62 9.30 BP_ MWD+IFR+MS 134 10749.69 86.99 263.40 31.84 8806.14 5497.91 2101.05 -5083.64 5500.71 292.46 2.46 BP_ MWD+IFR+MS 135 10782.25 86.68 265.33 32.56 8807.94 5527.07 2097.86 -5115.99 5529.41 292.30 5.99 BP_ MWD+IFR+MS 136 10813.56 86.27 268.60 31.31 8809.87 5555.69 2096.20 -5147.19 5557.66 292.16 10.51 BP_ MWD+IFR+MS 137 10845.32 86.10 270.48 31.76 8811.98 5585.25 2095.95 -5178.88 5586.93 292.03 5.93 BP_ MWD+IFR+MS 138 10877.07 86.10 270.34 31.75 8814.14 5614.98 2096.18 -5210.55 5616.39 291.91 0.44 BP_ MWD+IFR+MS 139 10908.79 85.68 270.14 31.72 8816.41 5644.63 2096.31 -5242.19 5645.80 291.80 1.47 BP_ MWD+IFR+MS 140 10940.45 85.65 270.86 31.66 8818.80 5674.27 2096.58 -5273.76 5675.23 291.68 2.27 BP_ MWD+IFR+MS 141 10971.25 85.72 270.95 30.80 8821.12 5703.18 2097.07 -5304.47 5703.95 291.57 0.37 BP_ N1WD+IFR+MS • 142 11003.93 85.65 270.54 32.68 8823.58 5733.83 2097.49 -5337.05 5734.42 291.46 1.27 BP_ MWD+IFR+MS 143 11035.58 85.17 269.52 31.65 8826.11 5763.36 2097.51 -5368.60 5763.80 291.34 3.55 BP_ MWD+IFR+MS 144 11067.35 85.17 266.84 31.77 8828.79 5792.61 2096.50 -5400.24 5792.92 291.22 8.41 BP_ MWD+IFR+MS 145 11100.83 84.82 266.79 33.48 8831.71 5823.13 2094.65 -5433.54 5823.31 291.08 1.06 BP _MWD+IFR+MS 146 11131.17 85.45 266.19 30.34 8834.28 5850.71 2092.80 -5463.71 5850.81 290.96 2.86 BP _MWD+IFR+MS 147 11162.81 88.09 265.60 31.64 8836.07 5879.40 2090.54 -5495.22 5879.44 290.83 8.55 BP _MWD+IFR+MS 148 11195.55 88.02 266.32 32.74 8837.18 5909.13 2088.23 -5527.86 5909.14 290.69 2.21 BP _MWD+IFR+MS 149 11226.64 87.61 266.30 31.09 8838.36 5937.45 2086.23 -5558.86 5937.45 290.57 1.32 BP _MWD+IFR+MS 150 11258.92 87.27 265.76 32.28 8839.80 5966.77 2084.00 -5591.03 5966.80 290.44 1.98 BP _MWD+IFR+MS [(c)2008 IDEAL ID13_OC_13] SCHLUMBERGER Survey Report 7-Dec-2008 20:52:23 Page 7 of 8 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) 151 11290.78 87.37 264.96 31.86 8841.29 5995.55 2081.43 -5622.75 5995.64 290.31 2.53 BP _MWD+IFR+MS 152 11323.24 87.20 265.61 32.46 8842.83 6024.85 2078.76 -5655.06 6025.03 290.18 2.07 BP _MWD+IFR+MS 153 11354.34 87.95 263.61 31.10 8844.15 6052.77 2075.84 -5686.00 6053.07 290.06 6.86 BP _MWD+IFR+MS 154 11385.87 89.84 263.79 31.53 8844.76 6080.87 2072.38 -5717.33 6081.33 289.92 6.02 BP _MWD+IFR+MS 155 11418.12 90.28 263.79 32.25 8844.72 6109.65 2068.90 -5749.39 6110.30 289.79 1.36 BP _MWD+IFR+MS 156 11449 95 90.80 263.71 31.83 8844.42 6138.04 2065.43 -5781.03 6138.92 289.66 1.65 BP _MWD+IFR+MS 157 . 11481.59 90.49 263.51 31.64 8844.07 6166.22 2061.91 -5812.47 6167.36 289.53 1.17 BP _MWD+IFR+MS 158 11513.43 92.96 264.37 31.84 8843.11 6194.65 2058.55 -5844.12 6196.07 289.40 8.21 BP _MWD+IFR+MS 159 11545.84 95.33 265.88 32.41 8840.76 6223.83 2055.80 -5876.32 6225.55 289.28 8.66 BP _MWD+IFR+MS 160 11578.05 97.92 267.15 32.21 8837.05 6253.03 2053.86 -5908.25 6255.06 289.17 8.94 BP _MWD+IFR+MS 161 11609.63 99.90 270.02 31.58 8832.16 6281.94 2053.08 -5939.44 6284.27 289.07 10.95 BP _MWD+IFR+MS 162 11641.84 100.29 273.69 32.21 8826.51 6311.96 2054.11 -5971.13 6314.56 288.98 11.28 BP _MWD+IFR+MS 163 11673.79 100.74 278.32 31.95 8820.68 6342.34 2057.39 -6002.36 6345.17 288.92 14.32 BP _MWD+IFR+MS 164 11705.58 100.92 281.61 31.79 8814.70 6373.02 2062.80 -6033.11 6376.01 288.88 10.18 BP _MWD+IFR+MS 165 11737.45 99.24 285.36 31.87 8809.12 6404.15 2070.11 -6063.61 6407.24 288.85 12.73 BP _MWD+IFR+MS 166 11769.54 167 11801.39 168 11832.63 169 11865.09 170 11896.94 171 11928.49 172 11960.68 173 11992.15 174 12024.33 175 12056.29 176 12087.54 177 12119.55 178 12151.48 179 12183.17 180 12215.05 98.03 284.73 32.09 8804.30 6435.73 2078.35 -6094.25 6438.90 288.83 4.24 BP_ MWD+IFR+MS 97.78 284.98 31.85 8799.92 6467.11 2086.44 -6124.74 6470.37 288.81 1.10 BP_ MWD+IFR+MS 98.55 284.77 31.24 8795.49 6497.88 2094.38 -6154.63 6501.22 288.79 2.55 BP_ MWD+IFR+MS 99.35 284.82 32.46 8790.44 6529.78 2102.56 -6185.63 6533.21 288.77 2.47 BP_ MWD+IFR+MS 98.93 285.99 31.85 8785.38 6561.09 2110.92 -6215.95 6564.60 288.76 3.86 BP_ MWD+IFR+MS 97.51 290.13 31.55 8780.86 6592.28 2120.60 -6245.63 6595.82 288.75 13.74 BP_ MWD+IFR+MS 95.81 292.07 32.19 8777.13 6624.25 2132.11 -6275.45 6627.76 288.77 7.98 BP_ MWD+IFR+MS 93.34 294.85 31.47 8774.62 6655.58 2144.59 -6304.22 6659.02 288.79 11.80 BP_ MWD+IFR+MS 91.62 298.36 32.18 8773.23 6687.54 2158.99 -6332.96 6690.86 288.82 12.14 BP _MWD+IFR+MS 89.74 301.20 31.96 8772.85 6719.09 2174.86 -6360.70 6722.24 288.88 10.66 BP _MWD+IFR+MS 88.78 304.03 31.25 8773.25 6749.65 2191.70 -6387.01 6752.59 288.94 9.56 BP _MWD+IFR+MS 88.09 307.76 32.01 8774.13 6780.52 2210.46 -6412.93 6783.20 289.02 11.85 BP _MWD+IFR+MS 86.61 309.80 31.93 8775.60 6810.82 2230.43 -6437.79 6813.22 289.11 7.89 BP _MWD+IFR+MS 86.58 310.41 31.69 8777.49 6840.65 2250.81 -6461.99 6842.77 289.20 1.92 BP _MWD+IFR+M5 86.41 309.88 31.88 8779.43 6870.64 2271.33 -6486.31 6872.49 289.30 1.74 BP _MWD+IFR+MS [(c)2008 IDEAL ID13_OC_13] SCHLUMBERGER Survey Report 7-Dec-2008 20:52:23 Page 8 of 8 5eq 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) 181 12247 06 85.82 309.73 32.01 8781.60 6900.80 2291.77 -6510.85 6902.42 289.39 1.90 BP_MWD+IFR+MS 182 12277.98 84.27 310.22 30.92 8784.27 6929.87 2311.56 -6534.45 6931.26 289.48 5.26 BP_MWD+IFR+MS 183 12309.93 80.60 311.51 31.95 8788.48 6959.58 2332.28 -6558.40 6960.76 289.58 12.16 BP_MWD+IFR+MS 184 12342.08 80.05 311.26 32.15 8793.88 6989.22 2353.23 -6582.18 6990.19 289.67 1.87 BP_MWD+IFR+MS 185 12373.89 80.08 312.36 31.81 8799.37 7018.43 2374.12 -6605.53 7019.22 289.77 3.41 BP_MWD+IFR+MS 186 12405 58 79 87 312 66 31.69 8804.89 7047.39 2395.20 -6628.54 7048.02 289.87 1.14 BP_MWD+IFR+MS 187 . 12437.03 . 79.43 . 311.96 31.45 8810.54 7076.14 2416.03 -6651.42 7076.62 289.96 2.60 BP_MWD+IFR+MS 188 12468.99 78.97 312.77 31.96 8816.53 7105.30 2437.18 -6674.61 7105.65 290.06 2.88 BP_MWD+IFR+MS 189 12501.22 78.55 312.86 32.23 8822.81 7134.57 2458.67 -6697.80 7134.82 290.16 1.33 BP_MWD+IFR+MS 190 12532.57 78.30 313.65 31.35 8829.10 7162.92 2479.71 -6720.17 7163.08 290.25 2.59 BP_MWD+IFR+MS 191 12565.31 77.61 313.62 32.74 8835.93 7192.39 2501.81 -6743.34 7192.48 290.36 2.11 BP_MWD+IFR+MS 192 12596.06 78.33 312.95 30.75 8842.34 7220.15 2522.43 -6765.24 7220.18 290.45 3.17 BP_MWD+IFR+MS 193 12652.00 78.33 312.95 55.94 8853.65 7270.83 2559.76 -6805.34 7270.83 290.61 0.00 Projected_TD [(c)2008 IDEAL ID13_OC_13] H-38 IP101 Proposal Schlumberger Report Date: November 10, 2008 Survey 1 DLS Computation Method: Minimum Curvature / Lubinski Client: BP Exploration Alaska Vertical Sedion Azimuth: 290.630° Field: Str dure 1 Slot: Prudhoe Bay Unit - WOA H-PAD / H-38 Vertical Sedion Origin: '®~ rvD Reference Datum: N 0.000 tt, E 0.000 ft Rotary Table u Well: Plan H-38 ~~ ~ ~'~ TVD Reference Elevation: 73.20 tt relative to MSL Borehde: Plan H-38 r®~ A p Sea Bed 1 Ground Level Elevation: 44.70 ft relative to MSL UWIIAPI#: 500292340200 p Magnetic Dedination: 22.883° Survey Name 1 Date: H-38 (P10) /November 10, 2008 Total Field Strength: 57684.313 nT Tort 1 AHD 1 DDI 1 ERD ratio: 168.460° / 7584.18 tt 16.264 / 0.855 Magnetic Dip: 80.896° Grid Coordinate System: NAD27 Alaska State Planes, Zone 04, US Feet Dedination Date: November 20, 2008 Location LaULong: N 70.29660299, W 148.83935358 Magnetic Dedination Modd: BGGM 2008 Location Grld NIE YIX: N 5959410.8501tUS, E 643325.960 ftUS North Reference: True North Grid Convergence Angle: +1.09270825° ToW Corr Mag North •> True North: +22.883° Grid Scale Fador: 0.99992334 Loeal Coordinates Referenced To: Well Head CommeMS Measured Indinalion Azimuth Subsea TVD TVD Vertical NS EW Mag 1 Grav DLS Directional Northing Easting Latitude Longitude Depth Section Tod Face Difficulty ff de d ff k k ff ft d d h00ff Index ffUS ftUS RTE ().UU KOP Bld 1.5/100 300.00 Bld 2.5/100 400.00 Gubic 428.23 500.00 600.00 700.00 800.00 900.00 1000.00 v.uu ~aa.bu -rs.~u v.uu u.uu 0.00 294.60 226.80 300.00 0.00 1.50 294.60 326.79 399.99 1.31 2.21 295.28 355.00 428.20 2.22 4.00 295.92 426.67 499.87 6.08 6.50 296.23 9.00 296.36 11.50 296.44 14.00 296.49 16.50 296.53 526.24 625.32 723.71 821.24 917.71 1012.94 1106.76 1198.97 1289.41 1377.90 599.44 698.52 796.91 894.44 990.91 15.19 28.61 46.31 68.26 94.42 1100.00 19.00 296.55 1200.00 21.50 296.57 1300.00 24.00 296.59 1400.00 26.50 296.60 1500.00 29.00 296.61 1600.00 31.50 296.62 End Bld 1659.84 33.00 296.63 SV6 1797.09 33.00 296.63 Base Perm 2134.51 33.00 296.63 SV5 2631.70 33.00 296.63 SV4 2847.50 33.00 296.63 S V3 3454.38 33.00 296.63 1086.14 1179.96 1272.17 1362.61 1451.10 1464.28 1537.48 1514.89 1588.09 1630.00 1703.20 1913.00 1986.20 2330.00 2403.20 2511.00 2584.20 3020.00 3093.20 124.74 159.16 197.62 240.04 286.35 336.44 368.20 442.53 625.27 894.54 1011.42 1340.10 u.uu 0.00 0.54 0.93 2.61 6.64 12.62 20.53 30.36 42.10 u.uu - 0.00 294.60M -1.19 295.28M -2.02 295.92M -5.52 296.23M -13.73 0.49R -25.82 0.35R -41.75 HS -61.51 HS -85.04 HS 55.72 -112.31 71.20 -143.27 88.50 -177.85 107.59 -215.98 128.45 -257.61 151.01 -302.64 165.32 -331.19 198.82 -398.00 281.17 -562.26 402.52 -804.30 455.19 -909.35 603.31 -1204.79 HS HS HS HS HS HS V.VU V.VV J.7JAY IV. OJ VYJJLV. JV IY IV. G~VVVGJJ YY IYV. VJJJJJJV 0.00 0.00 5959410. 85 643325. 96 N 70. 29660299 W 148. 83935358 1.50 0.29 5959411. 37 643324. 76 N 70. 29660448 W 148. 83936321 2.50 0.69 5959411. 74 643323. 93 N 70. 29660553 W 148. 83936991 2.50 1.39 5959413. 36 643320. 39 N 70 .29661013 W 148. 83939825 2.50 2.00 5959417. 23 643312. 11 N 70 .29662113 W 148. 83946476 2.50 2.41 5959422. 97 643299. 91 N 70 .29663746 W 148. 83956262 2.50 2.73 5959430. 58 643283. 83 N 70 .29665907 W 148. 83969164 2.50 2.99 5959440. 03 643263. 89 N 70 .29668594 W 148. 83985158 2.50 3.20 5959451. 32 643240. 14 N 70 .29671801 W 148. 84004213 2.50 3.38 5959464. 42 643212. 62 N 70 .29675522 W 148. 84026294 2.50 3.54 5959479. 30 643181. 37 N 70 .29679749 W 148 .84051357 2.50 3.69 5959495. 93 643146. 47 N 70 .29684476 W 148 .84079356 2.50 3.82 5959514. 30 643107. 98 N 70 .29689692 W 148 .84110237 2.50 3.94 5959534. 35 643065. 97 N 70 .29695388 W 148 .84143941 2.50 4.04 5959556. 05 643020. 52 N 70 .29701553 W 148 .84180404 2.50 4.11 5959569. 81 642991. 71 N 70 .29705462 W 148 .84203517 0.00 4.19 5959602. 03 642924. 27 N 70. 29714612 W 148. 84257615 0.00 4.35 5959681. 23 642758. 48 N 70. 29737108 W 148. 84390620 0.00 4.51 5959797. 93 642514. 20 N 70. 29770253 W 148. 84586607 0.00 4.57 5959848. 58 642408. 16 N 70. 29784639 W 148. 84671678 0.00 4.70 5959991. 03 642109. 98 N 70. 29825093 W 148. 84910917 WeIlDesign Ver SP 2.1 Bld( doc40x 100) H-38\Plan H-38\Plan H-38\H-38 (P10) Generated 11/11/2008 1:29 PM Page 1 of 3 Comments Measured Iodination Azimuth SulrSea TVD ND Vertical NS EW Mag 1 Grav DLS Directional Northing Easting Latitude Longitude Depth Section Tod Face Dikicdty _ _ _ _ _ k ____ __ d __ __ d ___ __ ft ... ,.,..... k ..,.,... ,... k ,.. ... k ..,,~ ..,. ft ... can c• d d 1100 k n nn Index w ~n kUS cncnnnw D~ ftUS CAOnwG cw A/ 7A 7AB49-4R IA/Own 9wea9a9~ 9-5/8"GSg 3btl0.5J J3.W YYO.O1 s7JV.w JLVJ.cv 1411.13 oav.a~ -~cvo.vv - v.vv +.~c .+ovwa~..,~ ..~~~-......-. ~. ~...e .............. •~ ~~.....~....~..~• SV2 3621.30 33.00 296.63 3160.00 3233.20 1430.50 644.05 -1286.05 --- 0.00 4.73 5960030.21 642027.97 N 70.29836219 W 148.84976722 SV1 4056.49 33.00 296.63 3525.00 3598.20 1666.19 750.27 -1497.90 - 0.00 4.79 5960132.36 641814.14 N 70.29865225 W 148.85148286 UG4 4610.91 33.00 296.63 3990.00 4063.20 1966.46 885.58 -1767.80 --- 0.00 4.87 5960262.49 641541.73 N 70.29902176 W 148.85366861 UG3 4960.25 33.00 296.63 4283.00 4356.20 2155.66 970.84 -1937.86 --- 0.00 4.91 5960344.49 641370.09 N 70.29925458 W 148.85504591 UG1 5517.06 33.00 296.63 4750.00 4823.20 2457.22 1106.74 -2208.92 --- 0.00 4.97 5960475.18 641096.51 N 70.29962564 W 148.85724119 WS2 5999.94 33.00 296.63 5155.00 5228.20 2718.74 1224.60 -2443.99 --- 0.00 5.01 5960588.52 640859.25 N 70.29994741 W 148.85914509 WS1 6268.20 33.00 296.63 5380.00 5453.20 2864.03 1290.07 -2574.59 --- 0.00 5.04 5960651.49 640727.44 N 70.30012617 W 148.86020283 CM3 6524.55 33.00 296.63 5595.00 5668.20 3002.86 1352.64 -2699.38 - 0.00 5.06 5960711.66 640601.49 N 70.30029697 W 148.86121358 CM2 7090.89 33.00 296.63 6070.00 6143.20 3309.58 1490.86 -2975.08 --- 0.00 5.10 5960844.59 640323.22 N 70.30067431 W 148.86344670 7696.44 33.00 296.63 6577.89 6651.09 3637.54 1638.66 -3269.87 16.86R 0.00 5.15 5960986.73 640025.69 N 70.30107774 W 148.86583451 7696.57 33.00 296.63 6577.99 6651.19 3637.61 1638.69 -3269.93 --- 4.00 5.15 5960986.76 640025.63 N 70.30107782 W 148.86583501 CM1 7716.85 33.00 296.63 6595.00 6668.20 3648.60 1643.64 -3279.81 --- 0.00 5.15 5960991.52 640015.67 N 70.30109134 W 148.86591499 THRZ 8086.48 33.00 296.63 6905.00 6978.20 3848.81 1733.87 -3459.77 -- 0.00 5.17 5961078.30 639834.03 N 70.30133763 W 148.86737273 BHRZ/TKUP/ECU 8426.30 33.00 296.63 7190.00 7263.20 4032.88 1816.83 -3625.21 -- 0.00 5.19 5961158.08 639667.04 N70.30156406 W148.86871295 TKNG 8658.81 33.00 296.63 7385.00 7458.20 4158.82 1873.59 -3738.42 - 0.00 5.20 5961212.67 639552.79 N 70.30171897 W 148.86962995 TJF 9105.95 33.00 296.63 7760.00 7833.20 4401.01 1982.75 -3956.11 -- 0.00 5.23 5961317.64 639333.07 N 70.30201687 W 148.87139346 TJE 9272.88 33.00 296.63 7900.00 7973.20 4491.43 2023.50 -4037.38 -- 0.00 5.24 5961356.84 639251.04 N 70.30212808 W 148.87205185 TJD / C 9582.89 33.00 296.63 8160.00 8233.20 4659.35 2099.18 -4188.32 --- 0.00 5.26 5961429.62 639098.70 N 70.30233462 W 148.87327460 TJB 9737.90 33.00 296.63 8290.00 8363.20 4743.31 2137.02 -4263.78 --- 0.00 5.26 5961466.01 639022.54 N 70.30243788 W 148.87388598 TSAG 9946.55 33.00 296.63 8464.99 8538.19 4856.33 2187.96 -4365.37 - 0.00 5.27 5961515.00 638920.01 N 70.30257687 W 148.87470896 9946.57 33.00 296.63 8465.00 8538.20 4856.34 2187.96 -4365.38 -- 0.00 5.27 5961515.00 638920.00 N 70.30257688 W 148.87470900 7" Csg 9946.58 33.00 296.63 8465.01 8538.21 4856.34 2187.96 -4365.38 - 0.00 5.27 5961515.00 638919.99 N 70.30257689 W 148.87470905 Crv 21/100 9961.57 33.00 296.63 8477.58 8550.78 4864.46 2191.62 -4372.68 49.44E 0.00 5.27 5961518.52 638912.63 N 70.30258687 W 148.87476817 TSHU 9988.92 36.96 289.36 8500.00 8573.20 4880.11 2197.70 -4387.11 43.48E 21.00 5.35 5961524.32 638898.09 N 70.30260344 W 148.87488508 10000.00 38.68 286.80 8508.75 8581.95 4886.89 2199.80 -4393.57 41.45E 21.00 5.37 5961526.30 638891.59 N 70.30260918 W 148.87493738 10100.00 55.88 270.15 8576.59 8649.79 4957.64 2209.05 -4465.68 29.99E 21.00 5.56 5961534.17 638819.31 N 70.30263432 W 148.87552151 TSAD 10102.53 56.34 269.83 8578.00 8651.20 4959.61 2209.05 -4467.79 29.81E 21.00 5.56 5961534.13 638817.21 N 70.30263432 W 148.87553853 10200.00 74.53 259.44 8618.44 8691.64 5038.55 2200.23 -4555.46 25.42E 21.00 5.69 5961523.64 638729.73 N 70.30261008 W 148.87624856 End Crv 10206.92 75.85 258.80 8620.21 8693.41 5044.25 2198.96 -4562.03 - 21.00 5.70 5961522.25 638723.19 N 70.30260662 W 148.87630176 42N/Z4A 10533.24 75.85 258.80 8700.00 8773.20 5313.07 2137.49 -4872.41 --- 0.00 5.74 5961454.88 638414.06 N 70.30243815 W 148.87881524 Crv 10/100 10655.35 75.85 258.80 8729.86 8803.06 5413.67 2114.49 -4988.56 34.52R 0.00 5.75 5961429.66 638298.38 N 70.30237510 W 148.87975580 PGOC 10677.82 77.70 260.10 8735.00 8808.20 5432.38 2110.49 -5010.06 34.22R 10.00 5.77 5961425.25 638276.96 N 70.30236413 W 148.87992992 10700.00 79.54 261.37 8739.38 8812.58 5451.24 2106.99 -5031.52 33.97R 10.00 5.78 5961421.34 638255.57 N 70.30235452 W 148.88010373 H-38 Tgt 2 10792.00 87.20 266.50 8750.00 8823.20 5532.80 2097.37 -5122.30 37.71 R 10.00 5.83 5961410.00 638165.00 N 70.30232809 W 148.88083888 End Crv 10794.38 87.39 266.65 8750.11 8823.31 5534.97 2097.23 -5124.67 --- 10.00 5.83 5961409.81 638162.63 N 70.30232770 W 148.88085808 TCGL 11121.07 87.39 266.65 8765.00 8838.20 5833.15 2078.13 -5450.46 --- 0.00 5.87 5961384.51 637837.29 N 70.30227491 W 148.88349657 Crv 10/100 11217.73 87.39 266.65 8769.40 8842.60 5921.37 2072.48 -5546.86 HS 0.00 5.88 5961377.02 637741.03 N 70.30225928 W 148.88427719 H-38 Tgt 3 11243.85 90.00 266.65 8770.00 8843.20 5945.22 2070.96 -5572.92 19.85E 10.00 5.89 5961375.00 637715.00 N 70.30225505 W 148.88448829 11300.00 95.28 264.74 8767.41 8840.61 5996.07 2066.75 -5628.83 19.93E 10.00 5.92 5961369.73 637659.18 N 70.30224345 W 148.88494110 WeIlDesign Ver SP 2.1 Bld(doc40x_100) H-38\Plan H-38\Plan H-38\H-38 (P10) Generated 11/11/2008 1:29 PM Page 2 of 3 Comments Measured Indlnation Azimuth Sub-Sea ND ND Vertical NS EW Meg 1 Grav DLS Direction Northing Easting Latitude Longkude Depth Seetion Tod Face Difficulty k de d k -- -- k --- . -- k ---- .- k ---' -- k -'__ _. d d 1100 k ....... Index ~ ..< kUS <.,e,n~. ,n kUS ce~c.. oe ~i ~n ~nnn~noc ~ni one eea~nn~u tno liN 17 J4~.JJ CN 10/100 11588.79 11600.00 11700.00 11800.00 11900.00 12000.00 ay.ao cw.io oro i.ao ooav.ia ~~~~..... -...., ....~ 99.56 263.16 8721.13 8794.33 6249.25 2033.45 -5911.90 99.12R 99.38 264.29 8719.29 8792.49 6259.11 2032.24 -5922.89 99.30R 97.63 274.24 8704.46 8777.66 6351.09 2030.99 -6021.65 100.78R 95.66 284.11 8692.85 8766.05 6448.32 2046.83 -6119.57 101.92R 93.52 293.91 8684.83 8758.03 6547.83 2079.27 -6213.69 102.71 R 91.28 303.67 8680.63 8753.83 6646.60 2127.34 -6301.13 103.12R H-38 Tgt 4 12056.29 90.00 309.15 8680.00 8753.20 6700.74 12100.00 85.63 309.15 8681.67 8754.87 6742.15 End CN 12161.28 79.50 309.15 8689.59 8762.79 6799.74 TD / 4-1/2" Lnr 12739.76 79.50 309.15 8795.00 8868.20 7339.06 Legal Descriation: Northing (Y Surface : 3902 FSL 1265 FEL S21 T11 N R13E UM 5959410.85 809 FSL 345 FEL S17 T11 N R13E UM 5961515.00 H-38 Tgt 2 : 718 FSL 1102 FEL S17 T11N R13E UM 5961410.00 H-38 Tgt 3 : 691 FSL 1553 FEL S17 T11 N R13E UM 5961375.00 H-38 Tgt 4 : 780 FSL 2326 FEL S17 T11 N R13E UM 5961450.00 TD / 4-1/2" Lnr / BHL : 1204 FSL 2847 FEL S17 T11N R13E UM 5961865.00 2160.73 -6346.41 LS 2188.30 -6380.28 LS 2226.65 -6427.37 --- 2585.80 -6868.44 --- 1 ~ftUSi Eastina IXl ~ftUSl 643325.96 638920.00 638165.00 637715.00 636940.00 636410.00 0. 00 5.98 5961331. 03 637376. 82 N 70: 30215187 W 148. 88723343 10. 00 5.98 5961329. 62 637365. 86 N 70. 30214855 W 148. 88732240 10 .00 6.03 5961326. 49 637267. 15 N 70. 30214492 W 148. 88812222 10 .00 6.07 5961340. 45 637168. 95 N 70. 30218797 W 148. 88891540 10 .00 6.12 5961371. 09 637074. 24 N 70. 30227640 W 148. 88967785 10 .00 6.16 5961417. 48 636985. 90 N 70. 30240750 W 148. 89038640 10 .00 6.18 5961450. 00 636940. 00 N 70. 30249863 W 148. 89075335 10 .00 6.19 5961476. 92 636905. 62 N 70. 30257388 W 148. 89102781 10 .00 6.21 5961514. 36 636857. 80 N 70. 30267853 W 148. 89140951 0 .00 6.26 5961865. 00 636410. 00 N 70. 30365863 W 148. 89498444 WeIlDesign Ver SP 2.1 Bld(doc40x_100) H-38\Plan H-38\Plan H-38\H-38 (P10) Generated 11/11/2008 1:29 PM Page 3 of 3 by Schiumherger ~" H-38 (P10) FlELD Prudhoe Bay Unit - WOA STRUCTURE H-PAD McOneli ParmmMBrm Su~eca LOratbn NRD3]Neate Slate Pkres. ZOae 01, U5 Feel MicalYreaus Madel'. BGCM 3008 Dq. BG898' Dale: NOrem8e130, 3008 Lal: NTO 1]1]TII 0hirg: 5959110.88 flU8 Gritl COnv. .1093]0835' Bbl: M-38 NDReI Rolery TaGa l]3.IOfl aeove MSL) Ma9 Dec: .33.883• FS'. 5]881.3 nT Lrn: W1185031.8)3 EaMg: N0338.%BUB Scab Fact. 0.9999203358 Pbn: H-JB (P10) Brvy Odle: Novdnber l0, ]008 5000 5500 6000 6500 7000 0 ~ O 8500 0 RTE ~ TSAG C TSHU KOP Bld 1.: ~ Bld 2.8]10( II . .uEc•_.._.._. ~ U >~ ~ 9000 ,200 Csg rv 21N00 _~.~_~._.._.._.._.._.._.._.._.._.._.._.._.. _.._.._.._.._.. _.._.. _.. _.. _.._ ..HJ8 -••-Erv gpMgp.. _.. _.. _.. _.. _.. _.. _.. _.. _.. _.CPv'f0U7D0. _.. _.._.. _.. _.. _.. _.. TCGL I//1111~•''~ HJB Tgt 2 End Crv Crv 10/700 I End Crv HJ8 Tgt 3 8500 ~•• 8(P70) To / a-v2" Ln ~ 9000 5000 5500 6000 6500 7000 •"•`"••'•• ~~" Vertical Section (ft) Azim = 290.63°, Scale = 1(in):500(ft) Origin = 0 N/-S, 0 E/-V ase Fenn • 2400 .•_.._.._.._.._.._.. VS.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._. 2400 ._.._.._.._.._.._.._ va ._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._ 93/8" Csg 3600 ••_.._.._.._.._.._.._.._.._.._.._.. ~.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._. 3600 . . . o 0 .._.._.._.._.._.._.._.._.._.._.._.._.._.. .~4._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._. N C r ._.._.._.._.._.._.._.._.._.._.. _.._.._.._.._ 5~._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._-._.._.._.._.._.. _.._.. _.._.. _.. _.._.._.._.._.._ II m 4800 .._.._.._.._.._.._.._.._......_.._.._.._.._.._.._.._ .~_.._.._-._.._.._.._.._.._.._.._.._.._-._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._. 4800 (~ p ._.._.._.._.._.._.._.._.._.._.._.._-._.._.._.._.._.._. ~._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.-_.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._. 6000 6000 ._.._.._.._.._.._-._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._ ~i_.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._ 7200 ••_.._.._.._.._.._.._..,..._.._.._.._.._. 7200 ._.._.._.._.._.-_.._.._.._.._.._.._.._.._.. iiRYTiKOPTtCf!'_.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._. 7" Csg . .rn-.2arwo._.._.._.._.._.._.._.._.._.._.._.._.._. '~J6%• •~••-• End_Crv HJS Tfgt4 8400 •_.._.._.._.._.._.._.._.._.._.._.._.._.._.._.._. _ _.._.._.._.._.._.._.._.._.._.._.._.._..TJe_ • - crvio/ioo •_.._.._.._.. • Endcrv••_••_ 8400 _ crv tonoo ..o.....?..=.?..c..c.....5.?..'a..e.....?..5..8.....'0..3..2..8.?..E.....? ....2..8..=ii:i2~liE'.~Efii:,iF ~_:__ ._. -::a:~~;t_:i.i _ _. HJ8 Tgt 2 1 TD / 4-7/2" Lnr Entl Crv End C2rv 10H 00 H-JB Tgt 3 0 1200 2400 3600 4800 6000 7200 Vertical Section (ft) Azim = 290.63°, Scale = 1(in):1200(ft) Origin = 0 N/-S, 0 E/-V by Schlumberger ~" H-38 (P10) FIELD Prudhoe Bay Unit - WOA STRUGTUNE H-PAD Ma8na8c Paiamaten 5urla<e LocaBOn NPD3]Alaalu state Ranes. Zww 04. Ds FeN MkcelaMOUs McBd'. BGGM 3008 Gp: BO.B%- 4b: Navembvr 20. 2008 LaL NI01]4TP1 NOMn9: 5%9410 %BU5 GrW GOnV'. •f.093]0835- sd: K3B TVO nM: Rotary Teda (]33011 above MSL) Map 0.c: X22.883' F5. 5]E84.3 nT Lon: W1485031.6)3 Eeaerq'. 643335.%BUS scW Fao[. 0.9998233358 flan: Kb(P101 Srvy Wa'. November 11.2008 -7000 -6000 -5000 -4000 -3000 -2000 -1000 0 3000 H-38 FIf 3 875055 3000 TD 141/2" Lnr 1+36 (P10) 'K H-38 FO 2 B 2555 Crv 211100 End Crv 7" Csg H-38 FO t 8755 End Crv _ n H-38 Tpt 4 A rv 10/100 End Crv H-3B FO ~ ss Z A ~3nnn H-38 FI CGL 2000 d= O O O C 0) ~ t000 7000 Crv 101100 1+38 FIt 4 823555 Crv 10/t00 H-38 Tgt 2 H-38 Tgt 3 End Crv '1518" Csg -6500 -6000 -5500 -5000 -4500 A TD 14112" Lnr 1+38 (P10) F438 Ftt 2 872555 H-38 Ftt 1 875555 End Crv Crv 211100 ' End Crv 7" Cs H-38 Tgt 4 38 Flt 5 875055 Crv 101100 End Crv A H-3 It TCGL 38 Crv 10/100 End Crv H-38 Tgt 2 Crv 101100 H-38 Tgt 2 -7000 -6500 -6000 -5500 -5000 -4500 «< W Scale = 1(in):500(ft) E »> 1000 ?500 (P70) ?000 1500 1000 End Bid 0 Bld 2.5/100 KOP Bld 1.51100 RTE -1000 0 •i rl r'1~~C1: ry~~Yariti~' ~~~` ~r~C: Sri ~ r'~ti wr~~rr. r'~~i9~ ~-~~$ ~Ve~lpttih: rare, ~r~~~ I r Plan H-38/Plan H-38 1, 1 f f Oilfield Services, Alaska Schlumberger Drilling & Measurements 2525 Gambell, Suite 400 Anchorage, AK 99503 Tel (907) 273-1766 Fax (907) 561-8367 Tuesday, November 11, 2008 Travis Peltier BP Exploration (Alaska) Inc. • Sc~umber~er PBU H-38 (P10) Nabors 7ES Close Approach Analysis We have examined the potential intersections of subject well with all other potentially conflicting wells, according to the BPA Directional Survey handbook (BPA-D-004) dated 09/99. Method of analysis: 1. A list of wells to be analyzed is created in Compass by performing a global scan with an initial. search radius of two hundred feet with an increment of one hundred feet for every one thousand feet of measured depth in the subject well. 2. Wells are analyzed using the Compass Anti-collision module (BP Company setup) with major risk .safety factors applied. For problem wells that are plugged and abandoned or that can be shut in, risk-based safety factor may be used, with client notification. 3. All depths are relative to the planned well profile. Survey Program: Instrument Type Start Depth End Depth GYD GC SS 28.50' and 500.00' and MWD + IFR + MS 500.00' and 12739.76' and Close Approach Analysis results: Under method (2), note. H-15 does not pass the conventional rule. A Tolerable Collision Risk Worksheet has been done, and a 1:20 ratio results. The well will pass under a 1:10 risk rule. All data documenting these procedures is available for inspection at the Drilling & Measurements Directional Planning Center. Close Approach Drilling Aids to be provided: A drilling map will be provided. Checked by: Scott DeLapp 11/11/2008 ~ ~ BP Alaska Anticollision Report Company: BP Amoco Date: 11/11/2008 Time: 13:50:26 Page: 1 Field: Prudhoe Bay Reference Site: PB H Pad Co-ordinate(NE) Reference: Well: Plan H-38, True North Reference Well: Plan H-38 Vertical (TVD) Reference: H-38 Plan 73.2 Reference Wellpath: Plan H-38 Db: Oracfe -- - - - _ __ GLOBAL SCAN APPLIED: All wellpaths within 200'+ 100/1000 of reference -There are LE@3iHseells in thislitiaiipal Plan ~ PLANNED PROGRAM Interpolation Method: MD Interval: 5.00 ft Error Model: ISCWSA Ellipse ~; Depth Range: 28.50 to 12739.76 ft Scan Method: Trav Cylinder North Maximum Radius: 1471.13 ft Error Surface: Ellipse + Casing Survey Program for Definitive Wellpath -- ~ Date: 6/11/2008 Validated: No Version: 10 Planned From To Survey Toolcode Tool N ame ft ft 28.50 500.00 Planned: Plan #10 H-38 V1 GYD-CT-DMS Gyrodata cont.drillpipe m/s 500.00 3585.00 Planned: Plan #10 H-38 V1 MWD+IFR +MS MWD +IFR + Multi Station 3585.00 9947.00 Planned: Plan #10 H-38 V1 MWD+IFR+MS MWD +IFR + Multi Station 9947.00 12739.76 Planned: Plan #10 H-38 V1 MWD+IFR+MS MWD +IFR + Multi Station i Casing Points MD TV D Diameter Hole Sizc Name ~ ft ft in in _ _ __ _ - 3585.53 3203.20 9.625 12.250 9 5/8" 9946.57 8538.20 7.000 8.500 7" 12739.76 8868.20 4.500 6.125 41/2" 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 H Pad H-01A H-01A V1 991.09 985.00 181.30 19.97 161.33 Pass: Major Risk ~ PB H Pad H-01AP61 H-01AP61 V1 991.09 985.00 181.30 19.59 161.70 Pass: Major Risk I PB H Pad H-01 H-01 V1 991.09 985.00 181.30 19.59 161.70 Pass: Major Risk PB H Pad H-02 H-02 V1 1167.19 1145.00 270.49 23.40 247.09 Pass: Major Risk PB H Pad H-02 H-02A V6 1163.22 1150.00 270.42 23.33 247.09 Pass: Major Risk PB H Pad H-02 H-02AP61 V35 1163.22 1150.00 270.42 23.22 247.20 Pass: Major Risk ~ PB H Pad H-05 H-05 V4 5522.99 5795.00 825.38 365.87 459.51 Pass: Major Risk PB H Pad H-05 H-05A V12 5524.21 5805.00 825.58 366.07 459.51 Pass: Major Risk PB H Pad H-14 H-14 V1 403.87 415.00 168.73 9.55 159.18 Pass: Major Risk PB H Pad H-14 H-14A V1 403.87 415.00 168.73 9.55 159.18 Pass: Major Risk PB H Pad H-14 H-14AP61 V1 403.87 415.00 168.73 9.39 159.34 Pass: Major Risk PB H Pad H-14 H-14APB2 V1 403.87 415.00 168.73 9.39 159.34 Pass: Major Risk PB H Pad H-14 H-14APB3 V1 403.87 415.00 168.75 9.38 159.37 Pass: Major Risk PB H Pad H-14 H-14AP64 V1 403.87 415.00 168.73 9.39 159.34 Pass: Major Risk PB H Pad H-14 H-146 V8 406.31 415.00 168.79 9.32 159.48 Pass: Major Risk PB H Pad H-15 H-15 V6 240.30 250.00 55.65 2.71 52.94 Pass: Minor 1/10 PB H Pad H-16 H-16 V3 697.92 695.00 48.29 14.73 33.55 Pass: Major Risk PB H Pad H-16 H-16A V2 697.92 695.00 48.29 14.73 33.55 Pass: Major Risk PB H Pad H-16 H-16AP61 V1 697.92 695.00 48.29 14.73 33.55 Pass: Major Risk PB H Pad H-16 H-166 V2 697.92 695.00 48.29 14.73 33.55 Pass: Major Risk PB H Pad H-17A H-17A V2 2227.57 2070.00 301.51 44.77 256.74 Pass: Major Risk PB H Pad H-17 H-17 V1 2227.57 2070.00 301.51 44.77 256.74 Pass: Major Risk PB H Pad H-18 H-18 V1 2305.79 2145.00 386.43 46.97 339.47 Pass: Major Risk PB H Pad H-23A H-23A V1 1044.93 1035.00 212.09 19.38 192.71 Pass: Major Risk PB H Pad H-23AP61 H-23AP61 V1 1044.93 1035.00 212.09 19.38 192.71 Pass: Major Risk PB H Pad H-23 H-23 V1 1043.25 1035.00 212.08 19.37 192.71 Pass: Major Risk PB H Pad H-24 H-24 V2 2245.65 2085.00 318.24 47.08 271.16 Pass: Major Risk ~i PB H Pad H-24 H-24A V1 2245.65 2085.00 318.24 46.81 271.43 Pass: Major Risk PB H Pad H-25 H-25 V4 9245.67 9300.00 724.54 666.73 57.81 Pass: Major Risk '~, PB H Pad H-28 H-28 V1 895.52 895.00 114.73 19.14 95.59 Pass: Major Risk PB H Pad H-29A H-29A V7 1259.46 1235.00 332.71 23.10 309.61 Pass: Major Risk ' PB H Pad H-29 H-29 V1 1259.46 1235.00 332.71 23.10 309.61 Pass: Major Risk , PB U Pad U-07 U-07 V1 Out of range i PB U Pad U-11A U-11A V1 Out of range ', PB U Pad U-11 B U-11 B V1 Out of range PB l1 Pad U-11 U-11 V1 11850.00 10010.00 1194.28 688.98 505.30 Pass: Major Risk • FieldPrudhoe Bay SitePB H Pad Well:Plan H-38 WellpathPlan H-38 Fom Surface - 7000'md Scan interval 100 ft Scale 1:100 ~~~ ~Qo 2D[~ 1,p t3 ~4 ~ 1~~ 20t1 3 '~ 31:~ ]1l-A2,~~81 -z3At'pwz~ (?~1AQQN9 ~1-2:i ~H-2 i~ -1£~ (l~-1'6 -~5) Travelling Cylinder Azimuth (TFO+AZI) [deg] vs Centre t • FieldPrudhoe Bay Site PB H Pad We11:Plan H-38 WellpathElan H-38 Fom 7000'md to TD Scan interval 100 ft Scale 1:100 H-15 Risk 1:10 31 $ 300 zoa 100 0 2 10Q zoo 300 313 U Travelling Cylinder Azimuth (TFO+AZI) [deg] vs Centre t T3rillr~tf: T~~r~~R t'anf;; 4~°f f3~~~~f ~r~; ~I~rtirnp~l I~tc~r~rn Ceti-~,..t"Iptiwir~ ~~crtrr:~~i l7c fr~h: i~7Rti,f.)G i'i~ ~~Itix~a~ l~lr~r*ri ~~a ~.~v~sl "Vlai~, I~~~rthln~; ~~)t',14:~(3,f'rt3 t"r i.~z.::~ +~/-~; ~'I ~.i~:14 ifit `l~l?,~ ~:l,~iifiu t,! rt1~.Q1511 C.ucal +F!-'~, ^~~~I,~b fc L.;iifiiltli`. 7~1' 1 ss;'t:~ti;tiftl P~1 I..frfi~lCNti1~: 1 ~1'OQj,3'~f4,4~~~ l~Fb~NL?t5(1 ra ~~ '~ 1 ~I ,:: ~~i~ 1 1 1 I~ I~ >t/l: t~ 1 y yy fLL `1 );Y{7,:~L1 ,t .~. ~'t: raw q, C ~~t F f ~h,S~Y,}TJ:VU t~/~ [ 1L y~l~/t,~Z.~.UU -t~ I fs,~~ -~"~Ci.~;i ti:~3i'~9~,t~~1 ~i)fi I t~~+'~.U(i 1:3 i~:72 s l ~fs.~9 ~x fir".iis ~.(iCi ,~,~t~; i ~ i f~,ui~i ~ -4~i`~:fi8 ~ ~,5~f ti37?;i.(ili ~~3i',I~,a.f)fl ti - I :~ 15.f+~ tiU I .zs ti~r~; ~„t~ti ~r~f,'~ti(tx~.i)ti 300 __ ; ~0~ o r,~ o c~ ~ ~:_~ ~ o c~ c~ o c_~ ~ ~ o c~ c~ o c~ ~~ ~ o o c~ ~ 0 ~ ~ ~ c~ c ;~ ~ ~ ~ c~.,l cx~ ~- c~ Q~ ~~ RE: H-38 (PTD: 208-167) Surface cement Job plan forward • Page 1 of 2 Maunder, Thomas E (DOA) From: Maunder, Thomas E (DOA) Sent: Tuesday, November 25, 2008 11:28 AM To: 'Roach, Frank' Cc: Hobbs, Greg S (ANC); DOA AOGCC Prudhoe Bay Subject: RE: H-38 (PTD: 208-167) Surtace cement Job plan forward Thanks Frank. That's the way it goes. Tom Maunder, PE AOGCC From: Roach, Frank [mailta:Frank.Roach@bp.com] Sent: Tuesday, November 25, 2008 10:17 AM To: Maunder, Thomas E (DOA) Cc: Mobbs, Greg S (ANC) Subject: RE: H-38 (PTD: 208-i67) Surface cement Job plan forward Mr. Maunder, Updating you on the surface cement work, we were unable to establish circulation through the port collar last evening. Held pressure like it was a casing test (pressured up to 1500 psi and with pumps off, pressure dropped 4 psi in 10 minutes). We the closed the port collar and were able to run the 1" string down to 300' before stacking out. Current plan is to perform top job with the 1" string at 300' and set the surface casing on slips in the landing ring of the 20" conductor. Any questions/concerns, please give me a call. Regards, -Frank Roach From: Maunder, Thomas E (DOA) [mailto:tom.maunder@alaska.gov] Sent: Monday, November 24, 2008 9:25 PM To: Roach, Frank Subject: RE: H-38 (PTD: 208-167) Surface cement Job plan forward Frank, The lift pressure is encouraging. Hopefully the port collar can be opened and circulation established. I will look forward to speaking with you tomorrow. Tom Maunder, PE AOGCC From: Roach, Frank [mailto:Frank.Roach@bp.com] Sent: Mon 11/24/2008 5:08 PM To: Maunder, Thomas E (DOA) Subject: RE: H-38 (PTD: 208-167) Surface cement Job plan forward Mr. Maunder, 11/25/2008 RE: H-3$ (PTD: 208-167) Surface cement Job plan forward ~ Page 2 of 2 Per our telephone conversation, below are the events leading up to our present situation with the surface hole: The surface hole on H-38 was drilled with constant running gravels. During the initial casing run, we were unable to run past 1810' MD. We assumed this was a washout area and casing was unable to run past a ledge. The casing was layed down and two cleanout runs performed. The casing was run a second time. This time, a Tesco casing drive system was used in order to have the ability to rotate and wash down the casing string. Casing was run to bottom with the aid of rotation and circulation. Mud was conditioned prior to the cement job with no pack-off and full returns. During the displacement of cement, constant increase in tilt pressure was noted up to 1830 psi. After that pressure, the pressure increased erratically and quickly, showing signs of packing off. Pressure finally reached 3250 psi before rig pumps kicked out. Displacement was taken over by cement unit and the cement truck pumps kicked out at 5000 psi. Volume pumped indicate roughly 274 bbls 10.6 ppg lead on the outside of the casing before having the packoff issues. Beyond this, another 100 barrels was bullheaded away in the attempt to clear the casing string. Plan forward is to open the TAM port collar set at 500' MD, establish circulation, pump cement to surface, and close the port collar. If unable to establish circulation, the port collar will be closed and 1"tubing run in the 9-5/8" x conductor/surface hole annulus for a top job. Please call or a-mail if there are any questions/concerns. Regards, -Frank Roach (w) 564-4373 (c) 244-1674 (h)854-2321 11/25/2008 FW: H-38 Updated Directional Pl~ Page 1 of 1 ~J Regg, James B (DOA) ~ ~~~,_ ~,-~ From: Peltier, Travis M [Travis.Peltier@bp.com] Sent: Friday, November 14, 2008 10:12 AM ~~~~ jl~t~j To: Regg, James B (DOA) ~°I Subject: FW: H-38 Updated Directional Plan Attachments: H-38 (P10) Approved report.pdf Jim, Here is the Directional Plan #10 as per our phone conversations. Please let me know if you need anything else. -Travis Peltier BPXA Drilling Engineer (907)564-4511 «H-38 (P10) Approved report.pdf» 11/14/2008 Schlumberger Drilling & Measurements MWD/LWD Log Product Delivery Customer Well No Installation/Rig BP Exploration (Alaska) Inc H-38 Nabors 7ES Dispatched To: Date Dispatched: Dispatched By: Christine Mahnken 12-Nov-08 Paul Wyman Data No Of Prints No of Floppies Surveys 2 1 Received By: Please sign and return to: Drilling & Measurements lWD Division _ ~j ~ ~, iZ..S Od 2525 Gambell Street, Suite 400 ~l Anchorage, Alaska 99501 gwvman C~ slb.com Fax:907-561-8317 LWU Log Uehvery VZ.1, U3-U6-Uli a o8 -l ~ ~ ~~a~~ ~ ~ ~~a~~a ALASSA OIL A1~D GAS C01~5ER'PA7'IO1~T CODIIrIISSIOrT Greg Hobbs Engineering Team Leader BP Exploration Alaska Inc. PO Box 196612 Anchorage AK 99519-6612 SARAH PALIN, GOVERNOR 333 W. 7th AVENUE, SUITE 100 ANCHORAGE, ALASKA 99501-3539 PHONE (907) 279-1433 FAX (907) 276-7542 Re: Prudhoe Bay Field, Prudhoe Bay Oil Pool, PBU H-38 BP Exploration Alaska Inc. Permit No: 208-167 Surface Location: 3902' FSL, 1264' FEL, SEC. 21, T11N, R13E, UM Bottomhole Location: 1205' FSL, 2847' FEL, SEC. 17, T11N, R13E, UM Dear Mr. Hobbs: Enclosed is the approved application for permit to redrill the above referenced development well. This permit to drill does not exempt you from obtaining additional permits or an approval 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. When providing notice for a representative of the Commission to witness any required test, contact the Commission's petroleum field inspector at (907) 659-3607 (pager). Sincerely, Daniel T. Seamount, Jr. ~,.~ Chair DATED thi~! day of October, 2008 cc: Department of Fish & Game, Habitat Section w/o encl. Department of Environmental Conservation w/o encl. ~° ~~ ~`" (~,,~ ~~ STATE OF ALASKA /O~D~ /~!'I-,~<~~1. ALASK~IL AND GAS CONSERVATION COMM ~N ~~~ ~ ~ ~~~~ ,t, PERMIT TO DRILL li~(~ 20 AAC 25.005 Alac~:~ i~al " ;" 1 a. Type of work ® Drill ^Redrill ^ Re-Entry 1 b. Current Well Class ^ Exploratory ^ Development Gas ^ Service ^ Multiple Zone ^ Stratigraphic Test ®Development Oil ^ Single Zone 1 c. Specify if well ~ praggsed for: ^Coalbed Methane ~ "Gas Hydrates ^ Shale Gas 2. Operator Name: BP Exploration (Alaska) Inc. 5. Bond: ®Blanket ^ Single Well Bond No. 6194193 11. Well Name and Number: PBU H-38 3. Address: P.O. Box 196612, Anchorage, Alaska 99519-6612 6. Proposed Depth: MD 12827 TVD 8795 ss 12. Field /Pool(s): Prudhoe Bay Field / Prudhoe Bay 4a. Location of Well (Governmental Section): Surface: ' ' 7. Property Designation: ADL047505, ADL047506 Pool FEL, SEC. 21, T11N, R13E, UM FSL, 1264 3902 Top of Productive Horizon: UM T11 N R13E 809' FSL 345' FEL SEC. 17 8. Land Use Permit: 13. Approximate Spud Date: November 15, 2008 , , , , , Total Depth: 1205' FSL, 2847' FEL, SEC. 17, T11 N, R13E, UM 9. Acres in Property: 2560 14. Distance to Nearest Property: 26860' 4b. Location of Well (State Base Plane Coordinates): Surface: x-643326 y-5959411 Zone-ASP4 10. KB Elevation Planned (Height above GL): 71.5' feet 15. Distance to Nearest well Within Pool: 812' 16. Deviated Wells: Kickoff Depth: 300 feet Maximum Hole An le: 100.19 de rees 17. Maximum Anticipated Pressures in psig (see 20 AAC 25.035) Downhole: 3180 Surface: 2307 'n Pr r m: ~ i n T- in D h- B om an i of m n c. s Hole Casin Wei ht Grade Cou lin Len th MD TVD MD TVD includin sta a data 42" 2 " 21 .5# A- WLD 1 rfa 1 1 26 x Ar e A r x. 1 -114" - /8" 4 BTC-M 3 92' rf ce 39 ' 1 68 x Dee r t x l " 7" TC-II /BTC-M ' ' 47 ' f X -1/ " 4-1/2" 1 1 r-80 V m-T 3 7' 7 1 8 7' 67' sx I ' 19. PRESENT WELL CONDITION SUMMARY (To be completed for 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): '.Casin Length ize Cement Volume MD TVD Conductor /Structural Surface Intermediate Pr Liner Perforation Depth MD (ft): Perforation Depth TVD (ft): 20. Attachments ^ Filing Fee, $100 ^ BOP Sketch ^ Property Plat ^ Diverter Sketch ®Drilling Program ^ Time vs Depth Plot ^ Shallow Hazard Analysis ^ Seabed Report ®Drilling Fluid Program ®20 AAC 25.050 Requirements 21. Verbal Approval: Commission Representative: Date: 22. I hereby certify that the foregoing •a?true and correct. Printed Name Greg H s Si nature Contact Travis Peltier, 564-4511 Title Engineering Team Leader Prepared By Name/Number: Phone 564-4191 Date v ~~ Sondra Stewman, 564-4750 Commission: Use Oni Permit To Drill N b r: ~l>~ 6 ~ API Number: s0- 0~90?3~oo?vooa PermitAppr val See cover letter for Da ~• o err it me Conditions of Approval: If box is checked, well may not be used to explore for, test, or produce Coalbed methane, gas hydrates, or gas contained shales: ,~,~: Samples Req'd: ^ Yes ~No Mud Log Req'd: ^ Yes LJ No _ HZS Measures: Yes ^ No Directional Survey Req'd: Yes ^ No Other: ~ ~ ~® ~~ ~ ~~ C °~i~'S 1 z ~' ~~ ~ APPROVED BY THE COMMISSION Date ,COMMISSIONER Form 10-401 Revised 12/2005 ~""' 1 ~ ~ucmlt In uupncare a ._ i n r # a..,.. ` by To: Alaska Oil & Gas Conservation Commission From: Travis Peltier, ODE Date: October 17, 2008 Re: H-38 Grassroots Producer Permit to Drill The H-38 well is to be drilled by Nabors Rig 7ES which is currently scheduled to move onto the location around November 15, 2008. H-38 is a new, ultra-slim hole design well completing Zone 4A and 4B of the Ivishak formation. The 12-1/4" hole will be drilled to the topmost, competent shale of the SV3 where the 9-5/8" surface casing will be run and cemented. An 8-3/4" hole will then be drilled to the top of the Sag River Formation, with 7" casing top set with cement. The planned production hole then will be drilled into the Ivishak to a TD of 12,827' MD. A solid 4-1/2" production liner will be run and cemented in place. Please note the following Well Summary as detailed on the next few pages: H-38 Permit to Drill Application Page 1 Planned Well Summary Well H-38 Well Grassroots Target Zone T e Producer Ob'ective 4A & 4B API Number: TBD Current Status H-38 is a new well Estimated Start Date: 15-Nov-2008 Time to Com lete: 26 Da s Surface Northin Eastin Offsets TRS Location 5,959,411 643,326 3902' FSL / 1264' FEL 11 N, 13E, 21 Northin Eastin TVDss Offsets TRS Target s,961s1s 638,920 -8,46s 809' FSL / 1264' FEL 11 N, 13E, 17 Locations s,961,410 638,165 -8,~6s 718' FSL / 1102' FEL 11 N, 13E, 17 s,961,375 637,715 -8,~~0 691' FSL / 1553' FEL 11 N, 13E, 17 s,961,4so 636,940 -8,680 780' FSL / 2326' FEL 11 N, 13E, 17 s,961,86s 636,410 -s,~9s 1205' FSL / 2847' FEL 11 N, 13E, 17 Bottom Northin Eastin TVDss Offsets TRS Location 5,961,865 636,410 -8,795 1205' FSL / 2847' FEL 11 N, 13E, 17 Planned KOP: Surface Planned TD: 12,827'MD / 8,795' TVDss Rig: Nabors BFE: 43.0' RTE: 71.5' 7ES Directional -Sperry P07 KOP: Surface Maximum Hole Angle: -27° in the 12-1/4" surface section (@ 1,324' MD to TD) ~47° in the 8-3/4" intermediate section (C~ 7,787' MD to TD) -100° in the 6-1/8" Ivishak horizontal section C«~ 11,464' MD. Close A roach Wells: H-15 is a close approach well in the 6-1/8" production section. Surve Pro ram: MWD Standard + IFR /Cassandra / MS Nearest Pro ert Line: 26,860' to the PBU property line Nearest Well within Pool: H-25 is the closest well at 812' ctr-ctr with 49' of allowable deviation at tanned de th of 9,925' MD. Contacts Name Phone # E-mail Drilling Engineer Travis Peltier 564-4511 Travis.Peltier@bp.com Geologist Roger Sels 564-5215 Roger.Sels@bp.com Pad Engineer Chris Zamora 564-4138 Chris.Zamora@bp.com H-38 Permit to Drill Application Page 2 Formation Markers H-38 (Bahl on SO Formation Tops(TVDss) and Estimated Pore Pressures Est. Formation To s Uncertain Commercial Hydrocarbon Bearin Est. Pore Press. Formation (TVDss) (eet) (Yes/No) (Psi) NOTE: All formation tops are required from 1000' above proposed KOP to TD for sidetracks NOTE: All formation to s are re aired from surface to TD for all new wells Base U er GraveUGubic 355 20 Base Gubic/SV6 1630 20 Base Permafrost BPRF 1913 20 SV5 2330 30 SV4 2511 30 SV3 3020 30 SV3-surface casin t 3130 30 SV2 3160 30 SVl 3525 30 UG4 3990 30 UG3 4283 30 UGl 4750 30 WS2 5155 30 WSl 5380 30 CM3 5595 30 CM2 6070 40 CM1 6595 40 THRZ 6905 30 BHRZ/TKUP 7190 30 LCU 7190 30 TKNG 7385 30 TJG 7385 30 TJF 7760 30 TJE 7900 30 TJD 8160 30 TJC 8160 30 TJB 8290 30 TSGR 8465 20 Yes TSHU 8500 20 Yes TSAD 8578 30 Yes 42N/Zn4A 8700 30 Yes 3180 PGOC 8735 30 Yes TCGL (build 1) 8765** 30 ossible POWC 8776 30 ossible POWC (invert 1) 8767 30 ossible 42N (invert 1) 8737 30 es PGOC (invert 1) 8700 30 es POWC build 2) 8765 30 ossible Zn4A** 8805 30 ossible TCGL** 8865 30 ossible BCGL** 8930 30 ossible 25N** 8980 30 ossible H-38 Permit to Drill Application Page 3 Casing/Tubing Program Hole Csg / Wt/Ft Grade Conn Burst Collapse Length Top Bottom Size Tbg (psi) (psi) MD / MD / O.D. TVDrkb TVDrkb 42" 20" 215.5 A-53 WLD 108 GL 108/108 insulated 12-'/4" 9-5/8" 40# L-80 BTC-M 5,750 3,090 3,392' GL 3,392' / 3,130' 8-3/4" 7" 26# L-80 TC-II 7,240 5,410 5,000' GL 5,000' / 4,565' 8-3/4" 7" 26# L-80 BTC-M 7,240 5,410 4,940' 5,000' / 4,565 9,940' / 8,470' 6-1/8" 4'/2" 12.6# 13Cr- 80 VAM Top 10,160 10,530 3,037' 9 790 /`/ 8,368' 12'827 / 8,867 Tubing 4'/2" 12.6# 13Cr- 80 Vam Top 10,160 10,530 9,790' GL 9°790 / 8,368' Mud Program 12?/4" Surface Hole Mud Pro erties Spud -Freshwater Mud Interval Densit PV YP PH Funn Vis FL 0-1950' (~BPRF) 8.8-9.2 30-55 50 - 80 9.0 - 9.5 400-600 NC - 8 (Initial) 250+ Final 1950'-3392' (SV3) 9.2-9.5 30-55 45 - 60 9.0 - 9.5 250 (Initial) < 6.0 225 Final 8-3/4" Intermediate Hole Mud Properties Freshwater Mud (LSND) Interval Density PV YP PH API Filtrate MBT 3,392'-7,750' THRZ 8.8-9.4 12-18 18-24 9-10 <6 < 15 7,750'-9,940' TSAG 11.1 12-22 18-28 9-10 HTHP < 10 < 18 6'/S" Production Hole Mud Properties FloPro-SF Interval Density PV YP PH API Filtrate MBT 9,940'-12,827' Final Well TD 8.4-8.6 6-12 22-28 9.0-9.5 6-8 <3 Logging Program 12?/e" Hole Section: Surface Gyro until MWD surveys are clean. MWD /LWD: Dir/GR/Res O en Hole: None Cased hole: None 8-3/4" Hole Section: MWD /LWD: DIR/GR/RES/PWD real time O en Hole: None Cased Hole: None required 6'/a" Hole Section: Sample as required by well site Geologist MWD /LWD: DIR/GR/RES/NEU/DEN O en Hole: None Cased Hole: None H-38 Permit to Drill Application Page 4 Casina/Tubin ~rogram Hole Csg / t/Ft Grade Conn Burst Collapse Length Top Bottom Size Tbg (psi) (psi) MD / MD / O.D. TVDrkb TVDrkb 42" 20" 215. A-53 W LD 108 G L 108/108 insulated 12-'/4" 9-5/8" 40# L-80 BTC-M 5,750 3,090 3,392' GL 3,392' / 3,130 8-'/z" 7" 26# -80 TC-II 7,240 5,410 5,000' GL 5,000' / 4,565' 8-'/z" 7" 26# L- BTC-M 7,240 5,410 4,940' 5,000' / 4,565' 9,940' / 8,470 6-1/8" 4'/i" 12.6# 13C 80 VAM Top 10,160 10,530 3,037' 9 790' / g g57' 12,827' / 8,867 Tubing 4'h" 12.6# 13Cr- 80 am Top 10,160 10,530 9,790' GL 9'790 ,/ 6,957 Mud Proaram 12-~/4" Surface Hole Mud Pro erties Spud -Freshwater Mud Interval Densit V YP PH Funn Vis FL 0-1950' (--BPRF) 8.8-9.2 3 5 50 - 80 9.0 - 9.5 400-600 NC - 8 (Initial) 250+ Final 1950'-3392' (SV3) 9.2-9.5 30-55 45 - 60 9.0 - 9.5 250 (Initial) < 6.0 225 Final 8-3/4" Intermediate Hole Mud Pro erties Freshwater Mud (LSND) Interval Densit PV YP PH API Filtrate MBT 3,392'-7,750' THRZ 8.8-9.4 12-18 8-24 9-10 <6 < 15 7,750'-9,940' TSAG 11.1 12-22 -28 9-10 HTHP < 10 < 18 1~ 6-'/8" Production Hole Mud Pro ernes IoPro-SF Interval Densit PV YP PH API Filtrate MBT 9,940'-12,827' Final Well TD 8.4-8.6 6-12 22-28 9.0-9.5 6-8 <3 ~~_~~~~~ Lo in Pro ram 12-'/4" Hole Section: Surface Gyro until MWD surveys are clean. MWD /LWD: Dir/GR/Res `~ ~~ -- ~~`~~~ - O en Hole: None Cased hole: None 8-3/4" Hole Section: MWD/'LWD: DIR/GR/RES/PWD real time O en Hole: None Cased Hole: None required 6-'/a" Hole Section: Sample as required by well site Geologist MWD /LWD: DIR/GR/RES/NEU/DEN O en Hole: None Cased Hole: None H-38 Permit to Drill Application Page Cement Proaram Casin Size: 9-5/8" 40#, L-80 Surface Casin Basis: Lead: Open Hole (OH) volume + 250% excess in permafrost and 40% below permafrost. TOC at surface. Tail: OH vo lume + 40% excess + 80' shoe tract. TOC --500' above Casin shoe. Total Cement Volume• Spacer 70 bbls of MudPush weighted to 10.0 ppg Lead 472 bbls 688 sks , 10.7 Dee Crete- 3.85 cuft/sk Tail 45.1 bbls, 253 cuft, 218 sks 15.8 Ib/ al Class G + adds -1.16 cuft/sk Tem BHST = 71 °F, BHCT = 75 °F Casin Size: 7" 26#, L-80 Intermediate Casin Basis: Lead: OH volume + 40% excess from to of tail to 1000' below surface shoe. Tail: OH vo lume + 40% excess + 80' shoe tract. Tail TOC 750' above 7" shoe. Total Cement Volume• Spacer 25 bbl of MUDPUSH Spacer weighted to 11.3-Ib/gal Lead 179.9 bbl 372 sks 11.5 LiteCRETE - 2.72 cuft/sk Tail 31.2 bbls, 175 cuft, 148 sks 15.8 Ib/ al Class G + adds -1.19 cuft/sk Tem BHST = 210°F, BHCT = 148 °F Casin Size 4.5" 12.6#, 13CR-80 Production Liner Basis: Lead: None Tail: 2887' of open hole with 40% excess, 80' shoe tract, 150' 4-1/z" x 6-1/8" liner lap, and 200' of 7" x 4" DP excess. Tail TOC: 9,590' MD (-200' above Liner Top) Total Cement Volume: Spacer 15 bbls of Mudpush II Weighted to 10 ppg Lead None Tail 80.7 bbls, 454 cuft, 388 sks 15.8 Ib/ al Class G + adds - 1.17 cuft/sk Tem BHST = 223°F, BHCT = 157 °F Surface and Anti-Collision Issues Surface Shut-in Wells: There are no wells requiring surface shut-in in order to move onto the well. At surface H-15 to the south and H-16 to the north are nearest at ~50' away each. Close Approach Shut-in Wells: One well will be shut-in in order to drill H-38. This is H-15 for the production section, with the closest approach of 336' at 11,240' MD. Hydrogen Sulfide H-Pad is not designated as an H2S site. Recent H2S data from the pad is as follows: Date of Well Name H2S Level Readina #1 Closest SHL Well H2S Level #2 Closest SHL Well H2S Level #1 Closest BHL Well H2S Level #2 Closest BHL Well H2S Level Max. Recorded H2S on Pad/Facility Other Relevant H2S Data (H2S alarms from rigs, etc.) H-15 No data H-16 5 m 1 /13/2004 H-15 No data U-11 B 30 m 7/24/2007 H-22a 220 m 10/4/1995 Most recent reading on H-22 is 180 ppm on 7/16/07. H-38 Permit to Drill Application Page 5 Faults The H-38 wellpath is expected to intersect one mapped fault in the Kingak and two much smaller faults in Zone 4. The 250' Kingak fault is an E-W trending fault and is will most likely be intersected around 9700' MD. The two Zone 4 faults are 15' and 20', and are NE-SW trending. They are to be crossed at 11,500'MD and 12,450' MD, respectively. None of the faults crossed are expected to cause major lost circulation due to their fault directional trends, but there have been significant lost circulation events with H-pad wells. 22 of the 54 H-pad wells have experienced losses of 100 bbl or greater. 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 3,500 psi. BOP regular test frequency for H-14B will be 14 days during drilling phase and 7 days during decompletion and surface casing work. Diverter, BOPS and drilling fluid system schematics on file with the AOGCC. Intermediate Interval Maximum antici ated BHP 3180 si @ 8735' TVDss 7.0 p EMW Maximum surface ressure 2307 si .10 si/ft as radient to surface Kick tolerance 60.8 bbls over 11.8 FIT assumin 9.6 reservoir and 4" drill i e Planned BOP test pressure Rams test to 3,500 psi/250 psi. Annular test to 2,500 si/250 si 9-5/8" Casin Test 3500 si surface ressure Inte rit Test - 8-3/4" hole 11.8 FIT after drillin 20' from middle of window Production Interval Maximum antici ated BHP 3180 si @ 8735' TVDss 7.0 EMW Maximum surface ressure 2307 si .10 si/ft as radient to surface) Kick tolerance Infinite with a 8.8 FIT Planned BOP test pressure Rams test to 3,500 psi/250 psi. Annular test to 2,500 si/250 si 9-5/8" Casin /7" Liner Test 3500 si surface ressure Inte ri Test - 6-1/8" hole 8.8 FIT after drillin 20' of new hole Planned com letion fluids 8.5 Seawater / 7.2 Diesel Variance Requests: • To avoid the risk of plugging the flow line with large rocks and wood encountered while drilling surface hole, it is requested to drill without a flow paddle for the first portion of the surface hole. While the flow paddle is removed from the flow line, PVT alarms will be used and the pit levels accurately monitored for any pit gain. Also, a visual check will be made during connections by looking down the riser to ensure the well is not flowing. After returned debris that could plug the flow line diminishes the flow paddle will be reinstalled. Disposal • 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. H-38 Permit to Drill Application Page 6 Drillir~ Hazards and Continc~hcies POST THIS NOTICE IN THE DOGHOUSE I. Well Control A. The Ivishak in this fault block is expected to be under-pressured at 7.0 ppg EMW. This pressure is estimated based on offset well pressures. 3500 psi test pressure is in accordance with the RP for Prudhoe production well casing tests. II. Lost Circulation/Breathing A. The H-38 is expected to intersect three mapped faults. The Kingak fault is large (250 ft) with a downward and E-W trend. The Zone 4 faults are relatively small at 15' and 20' with downward trends in the NE - SW direction. This well is expected to pass close to, but avoid two other faults. The direction of these faults is generally not associated with severe lost circulation events. B. The last significant lost circulation event in the area was 1100 ft SE at H-24A which lost 100% returns in Zone 4, but eventually healed to 15 - 30%. Due to the history of lost circulation events in the are, H-38 is expected to take some losses. III. Kick Tolerance/Integrity Testing A. The Kick Tolerance for both the intermediate and production hole sections is 60.8 bbls and infinite, respectively, with planned mud weights. The FIT will prove up adequate formation strength for expected ECD's. B. Integrity Testing Test Point Test Depth Test EMW (lb/gal) t e 9 5/8" 20-ft minimum from the 9 5/s" FIT 11.8 minimum window window 7" shoe 20-ft minimum from the 7" shoe FIT 8.8 minimum IV. Stuck Pipe A. Significant directional work will be required in the production hole section. Hole cleaning and differential sticking tendency will be of concern. Watch for signs of tight hole and short trip /back .ream as required to avoid stuck pipe. VI. Hydrogen Sulfide A. H-PAD is not designated as an H2S site; H2S levels of potentially lethal concentrations have been recorded on this pad, however, but current levels are below the 100 ppm threshold to be considered an H2S pad. VII. Faults A. Faulting is expected along the planned trajectory. See Section II on lost circulation for more details. VIII. Anti-Collision Issues B. Due to close approach concerns, one well will be shut-in in order to drill H-38. This is H-15 in the intermediate hole, with the closest approach of 126' at 8,968' MD. CONSULT THE H-PAD DATA SHEET AND THE WELL PLAN FOR ADDITIONAL INFORMATION H-38 Permit to Drill Application Page 7 Operations Summary Current Condition and histo / This is a new well. Pre-Riq Operations: 1. Install 20" conductor casing. 2. Weld an FMC landing ring on the conductor. 3. If necessary, level the pad and prepare location for rig move. Riq Operations: 1. MI/RU. 2. Nipple up the diverter spool and riser. P/U sufficient length of 4" drill pipe and stand back in the derrick. 3. M/U a 12-'/4" drilling assembly with Dir/GR/Res. Spud and directionally drill surface hole to the base of the permafrost. Gyro data will be required until clean surveys can be taken. Circulate and condition hole. Short trip to the top of the heavy weight drillpipe and/or pull out of hole for a new bit if necessary. 4. RIH and drill the remainder of the surface hole to the planned surface hole TD in a shale member of the SV3 sand at 3392' MD. POOH and L/D BHA. 5. Run, and cement the 9-5/8", 40# casing back to surface. A TAM port collar may be run as a contingency if hole conditions indicate a problematic primary cement job. With plug on cement job bumped, test the 9 5/8° casing to 3500 psi for 30 minutes and record the test. (NOTE: Efforts to ensure the final TOC is within 3' of surface will be required.} 6. N/D the riser spool and N/U the FMC casing head and tubing spool. 7. N/U the BOPE and test to 3,500 psi. 8. MU 8'/" MWD/LWD drilling assembly and RIH picking-up 4" drill pipe as required to drill the 8-3/4" hole. 9. Drill out cement, float equipment, and the shoe. Displace the well as required with new --9.5 ppg LSND drilling fluid. Drill approximately 20' new formation and perform the planed LOT. 10. Drill ahead, according to directional proposal, to 100' above the HRZ. 11. Increase mud weight to 11.3 ppg per the Kingak polar plot. 12. Drill according to directional plan to intermediate hole TD at -9,940' MD, approximately 5' and below the top of the Sag. Circulate bottoms up as necessary for sample collection to properly identify shale/siltstone cap. 13. Condition hole as necessary to run the 7" casing and POOH. 14. R/U, run, and cement the 7", 26#, L-80 intermediate casing (TC-II & BTC-M connections). After bumping the plug on the cement job, pressure test the 7" casing to 3,500 psi for 30 minutes. Record the test. (NOTE: The planned TOC will be -1000' below the surface casing shoe.) 15. Freeze-protect the 9 5/8' x 7" annulus, once the tail cement has reached 500 psi compressive strength. Confirm that the OA is open. Ensure that the mud/diesel/brine in the OA is overbalanced to formation at the 9 5/8" shoe (~8.5 ppg). 16. M/U a 6-%e" MWD/LWD drilling assembly. P/U additional 4" drill pipe as required to TD the well and RIH to top of the float collar and re-test the casing to 3500 psi f/10 minutes. 17. Displace the well to 8.5 ppg Flo-Pro SF fluid. 18. Drill out shoe and 20' of new formation and perform the planned FIT. Drill ahead, per directional proposal and rig site geologist, to well TD at approximately 12,827' MD. 19. Condition the hole as required in preparation of running and cementing the 4-'/z" production liner. If necessary, spot liner running pill on bottom. POOH, L/D excess 4" drill pipe, and L/D BHA. 20. R/U and run the 4'/z", 12.6#, 13Cr-80, VamTOP liner. CBU at 7" shoe and TD as necessary. Cement the liner per Dowell program. Release from the liner and set the packer. Circulate excess cement to surface. 21. Displace the well to seawater above the liner top. POOH and inspect and L/D liner running tools. 22. After cement reaches a minimum 1000 psi compressive strength, R/U and pressure test the casing x liner string to 3,500psi for 30 minutes and record the test. 21. R/U and perforate well on drillpipe. 22. R/U and run a 4-'/2", 12.6#, 13Cr-80, Vam Top completion w/ GLM's. Space and land the tubing with the tubing tail inserted into the liner tie back sleeve. RILDS. H-38 Permit to Drill Application Page 8 23. Reverse circulate filtered seawater and corrosion inhibitor into the tubing x casing annulus. 24. Drop ball/rod and set liner top hanger/packer. 25. Individually test the tubing and annulus to 3,500 psi for 30 minutes and record each test. 26. Shear DCR valve. 27. Install TWC and test. 28. N/D the BOPE. 29. N/U the adapter flange and tree. Test tree and adapter to 5,000 psi with diesel. 30. RU DSM. Pull TWC. 31. R/U circulating lines and test. Freeze-protect the tubing and annulus to 2,000' TVD and allow the diesel to U-tube to equilibrium. 32. Install a BPV and VR plugs in the annulus valves. 33. Secure, rig down and move off. Post-Rig Operations: 1. Remove BPV. 2. MI / RU slick line. Pull the ball and rod / RHC plug from landing nipple below the production packer. 3. Install gas lift valves. 4. Install the well house, instrumentation, and flow line. Estimated Spud Date: 11/15/2008 H-38 Permit to Drill Application Page 9 Operations Summary / This is new well. Pre-Ri O er 'ons: -''{~-)1~,~. w~ 1. Install 20" co ctor casing. 2. Weld an FMC I ding ring on the conductor. -~ ~~ / 3. If necessary, ley the pad and prepare location for rig move. ""' ~:~, Rig Operations: 1. MI/RU. 2. Nipple up the diverter s of and riser. P/U sufficient length of 4" drill pipe and stand back in the derrick. 3. M/U a 12-'/a" drilling assemb with Dir/GR. Spud and directionally drill surface hole to the base of the permafrost. Gyro data will be quired until clean surreys can be taken. Circulate and condition hole. Short trip to the top of the heavy eight drillpipe and/or pull out of hole for a new bit if necessary. 4. RIH and drill the remainder of th urface hole to the planned surface hole TD in a shale member of the SV3 sand at 3392' MD. POO nd UD BHA. 5. Run, and cement the 9 5/8", 40# c ing back to surface. A TAM port collar may be run as a contingency if hole conditions indicat problematic primary cement job. With plug on cement job bumped, test the 9 5/8' casing to 3500 i for 30 minutes and record the test. (NOTE: Efforts to ensure the final TOC is within 3' of surfac ill be required.) 6. N/D the riser spool and N/U the FMC casin ead and tubing spool. 7. N/U the BOPE and test to 3,500 psi. 8. MU 6-3/a" MWD/LWD drilling assembly and R picking-up 4" drill pipe as required to drill the 8-3/4" hole. 9. Drill out cement, float equipment, and the shoe. Displace the well as required with new ~9.5 ppg LSND drilling fluid. Drill approximately 20' new for ion and perform the planed LOT. 10. Drill ahead, according to directional proposal, to ~10 bove the HRZ. 11. Increase mud weight to 11.3 ppg per the Kingak polar t. 12. Drill according to directional plan to intermediate hole at 9,774' MD, approximately 5' and below the top of the Sag. Circulate bottoms up as necessa for sample collection to properly identify shale/siltstone cap. 13. Condition hole as necessary to run the 7" casing and POOH. 14. R/U to run and cement a 2-stage job for 7", 26#, L-80 termediate casing (TC-II & BTC-M connections). After bumping the 2nd plug on the cement job, pr sure test the 7" casing to 3,500 psi for 30 minutes. Record the test. (NOTE: To eliminate space-ou roblems and to insure the casing shoe is into the top of the Sag, the casing will be hung on emerge y slips. Also, the planned TOC will be above the SV1 at 3835' MD and below the surface casing shoe. 15. After allowing tail slurry to develop ~50 psi compressive strength split a stack and install the casing slips and pack-off and cut of the excess casing per FMC representative. 16. NU the BOP stack and test the "breaks" to 3500 psi. 17. Freeze-protect the 9 5/8" x 7" annulus, once the tail cement has reached 500 si compressive strength. Confirm. that the OA is open. Ensure that the mud/diesel/brine in the OA is o rbalanced to formation at the 9 5/a' shoe (~8.5 ppg). ~ 18. M/U a 6-%" MWD/LWD drilling assembly. P/U additional 4" drill pipe as require~,to TD the well and RIH to top of the float collar and re-test the casing to 3500 psi f/10 minutes. ~~ 19. Displace the well to 8.5 ppg Flo-Pro SF fluid. 20. Drill out shoe and 20' of new formation and perform the planned FIT. Drill ahead,. er directional proposal and rig site geologist, to well TD at approximately 13,014' MD. 21. Condition the hole as required in preparation of running and cementing the 4-~/z" produ 'on liner. If necessary, spot liner running pill on bottom. POOH, UD excess 4" drill pipe, and UD BHA. 22. R/U and run the 4 ~/z", 12.6#, 13Cr-80, VamTOP liner. CBU at 7" shoe and TD as necessary. Cement the liner per Dowell program. Release from the liner and set the packer. Circulate excess ce ent to surface. H-146 Permit to Drill Application Page 8 23 24 21 22 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. Displace the well to se ater above the liner top. POOH and inspect and UD liner running tools. After cement reaches a inimum 1000 psi compressive strength, R/U and pressure test the casing x liner string to 3,500psi fo 0 minutes and record the test. R/U and perforate well on rillpipe. R/U and run a 4-''/z", 12.6#, 13Cr-80, Vam Top completion w/ GLM's. Space and land the tubing with the tubing tail inserted into t liner tie back sleeve. RILDS. Reverse circulate filtered sea ater and corrosion inhibitor into the tubing x casing annulus. Drop ball/rod and set liner top nger/packer. Individually test the tubing and nulus to 3,500 psi for 30 minutes and record each test. Shear DCR valve. Install TWC and test. N/D the BOPE. N/U the adapter flange and tree. T t RU DSM. Pull TWC. R/U circulating lines and test. Free diesel to U-tube to equilibrium. Install a BPV and VR plugs in the ann~ Secure, rig down and move off. Post-Rig Operations: tree and adapter to 5,000 psi with diesel. the tubing and annulus to 2,000' TVD and allow the valves. 1. Remove BPV. 2. MI / RU slick line. Pull the ball and rod / RHC 3. Install gas lift valves. 4. Install the well house, instrumentation, and flow Estimated Spud Date: 11/15/2008 g from landing nipple below the production packer. e. ~o~~~ H-38 Permit to Drill Application Page 9 KB. ELEV = BF. ELEY = KOP = Max Angle = Datum MD = i Proposed Completion ~ !H -38 ~ Proposed TOC 3,835' TREE _ ~~ CM! 41 /16 5M WELLHEAD = FMC Gen 5 CSG HEAD = 11" 5M VIN 7" MANDREL HANGER 8 PACKOFF TBG SPOOL = 11" X 11" SM TBG HANGER = 11" X 41/7' ADP FLANGE= 11"X41/16" -80' 20", 215.5, A-53, Insulated Conductor -2200' HES 4-1/2'X' Landing Nipple; ID= 3.813" 3,392' 9-5/8", 40 #/ft, L-80, BTC, ID = 8.835" GAS LIFT MANDRELS (41/2" x 1" KBMG) Minimum ID = 3.725" ~ 9,932' 4-112" HES XN NIPPLE 4-1/2", 12.6#/ft, 13 Chrome, 9,79a VamTop, ID = 3.958" P8'~FORATION SUVAMRY ,`z3D; R18= LOG CAIVOO GRISSL ON 07/12!91 ANCa.EATTOPPERF: ~ ~ 11250' Note: Refer to RoduStion OB for his~riSal Dart dat ST MD 1VD DEV TYPE VLV LATCH PORT DATE 4 DCK 2 S/O 3 DMY DMY 2 DMY DMY 1 DMY DMY ~,B70' HES 4-1/2" X NIPPLE; I.D. 3.813" x,700' BAKER PKR 7" X 4-1/2' S-3, ID= 3.88", xx' TBS i, 730' HES 4-1 /2" X NIPPLE; ID = 3.813" 1,780' HES 4-1/2" XN NIPPLE; ID = 3.725' 1,790, 7" x 4-1 /2" Baker Flex-Loc Liner Hanger (ID =2.992") w/ ZXP Liner Top Pkr w/ 10' TBS (ID = 5.25") 1,940' 7', 26 #/it, L-80, BTC-M (f/9,940'to 5000' MD) 8 TC-II (f/5000' to Surf), ID = 6.276" 2,877' 4-112" PBTD _2,827' 41/2", 12.6#, 13CR-80, VamTOP, ID = 3.958" PRUDFIOE BAY l~l1T VV~L: DS 12-37 PERMIT No: API No: 27 20 26 ~s 2s 18 24 17 19 PAD J ' _~_ ~ ~ ' GATHERING ~ M o CENTER ~ NO 2 ~ SEC 18 I SEC 15 4 0 ~ J ~ a c~ ~ ~__~ I H PA SEC 21 SEC 22 -N- ' ~ VICINITY MAP N.T.S. OF ~E A~ .`P°°°°°° ° °S ~ ° °°~9 °°°°°°°°°°°°°°°°°°°°°°°°°°°°°° 'F~, ~° Leonard J. O'Hanley ~~oO°q~,1~1 ~3~ 86 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 AS-BUILT REPRESENTS A SURVEY MADE BY ME OR UNDER MY DIRECT SUPERVISION AND THAT ALL DIMENSIONS AND OTHER DETAILS ARE CORRECT AS OF SEPTEMBER 29, 2008. LEGEN D AS-BUILT CONDUCTOR ^ EXISTING CONDUCTOR NOTES 1. DATE OF SURVEY: SEPTEMBER 29, 2008. 2. REFERENCE FIELD BOOK: W008-17 PGS. 69-70. 3. ALASKA STATE PLANE COORDINATES ARE ZONE 4, NAD 27. GEODETIC POSITIONS ARE NAD 27. 4. BASIS OF HORIZONTAL AND VERTICAL CONTROL IS BPX H-PAD MONUMENTATION. 5. ELEVATIONS ARE BPX MEAN SEA LEVEL DATUM. 6. MEAN PAD SCALE FACTOR IS 0.99992332. LOCATED WITHIN PROTRACTED SEC. 21, T. 11 N., R. 13 E., UMIAT MERIDIAN, ALASKA WELL A.S.P. PLANT GEODETIC GEODETIC CELLAR BOX SECTION N0. COORDINATES COORDINATES POSITION(DMS) POSITION(D.DD) ELEVATION OFFSETS Y= 5,959,410.85 N= 1794.87 70'17'47.771" 70.2966031° 44 7 3,902' FSL H-38 X= 643,325.96 E= 2000.30 148'50'21.673" 148.8393536° . 1,264' FEL by LJULJIJ""` FRB08 WOH 06-00 WOA H-PAD ~ ~~~O~o roe No: AS-BUILT CONDUCTOR waxcws .w° wn vaaxrws SCALE: i•= soo' WELL H-38 SHEET: 1 of 1 COMPANY DETAILS ~Mk ~p j BP Amoco Iculation Met Iculation Met hod: Minimum Curvaturetn hod: Minimum Curvature Error System: ISCWSA Scan Method: Trav Cylinder Nonh Ertor Surface: Elliptical + Casing CASING DETAILS No. TVD MD Name Size I 313Q O9 3392.00 9 5/8" 9.625 2 8470.21 9940.00 7" 7A00 3 °Y~ -iALLIBURTON iperry Drilling Services FORMATION TOP DETAILS - TVDPath MDPath Formation , - 426.50 426.67 Base Upper GraveVGubi 1701.50 1790.71 Basc Gubic/SV6 1984.50 2107.92 Basc Permafrost (BPRF) 2401.50 2575.33 SVS 2$82.$0 2778.21 SV4 3091.50 3348.74 SV3 3201.50 3472.04 SV3-surface casing pt 3231.50 3$0$.67 SV2 _ 3596.50 3914.79 SV I _ 4061.50 4436.00 UG4 i 4354.50 4764.42 UG3 [ 4821.50 5287.87 UG I _ I 5226.50 5741.83 WS2 5451.50 5994.03 WSI 5666.50 6235.02 CM3 6141.50 6767.44 CM2 6666.50 7357.04 CMI '- 6976.50 7750.30 THRZ ' 726L50 8167.69 BHRZ/TKUP 7261.50 8167.69 LCU 74$6.$0 8453.61 TKNG 74$6.$0 8453.61 T1G 7831.50 9003.47 TJF 7971.50 9208.75 TJE 8231.50 9589.98 TJD 8231.50 9589.98 TJC 1- 8361.50 9780.60 TJB 8536.50 10037.20 TSGR 8$71.$0 10090.06 TSHU 8649.50 10227.50 TSAD i- REFERENCE INFORMATION Co-ordinate (N/E) Reference: Well Centre: H-38 Plan, True North Venical (TVD) Rcfercncc: 43GL+28.SK8 7LSU Section (VS) Rcfercncc: Slot - (QOUN,O.OUE) Measured Depih Reference: 43GL+28.SKB 7L50 Calculation Mcihod: Minimum Curvature i TARGET DETAILS Name TVD +N/-S +E/-W Northing Easting Shape H-38 Fault2 71.50 1740.76 -6623.52 5961026.01 636670.00 Polygon H-38 Fault 3 71.50 2667 S6 -7282.02 5961940.01 635994.00 Polygon H-38 Faults 71.50 2304.22 -4909.33 5961622AO 638373.00 Polygon H-38 Tl rev 1 8536.50 2186 79 -4364.43 5961 S 15.00 638920.(10 Point H-38 T4 rev 3 8751.50 2159.56 -6345.46 596145OA 1 636940.00 Point H-38 T2 rev 3 8821.50 2096.21 -5121.35 5961410.00 638165.W Point H-38 T2 rev 1 8821.50 21 11.72 -4886.00 5961430.00 63840000 Point H-38 T3rev l 8841.50 2069.79 -5571.97 5961375.00 637715.00 Point H-38 Gco-poly 888 LSO 2124.98 -5580.92 5961430.00 637705.00 Polygon H-38 TS rev 2 8866.80 2584.63 -6867.49 596186$.01 636410.00 Point H-38 Fault4 9771.80 2667.56 -7282.02 5961940.01 635994.00 Polygon H-38 Faultl 1157 LSO 1616.84 -5685.64 5960920.00 637610.00 Polygon SURVEY PROGRAM rth Fm Depth To Su rvey/Plan Tool Plan: H-38 Plan Wp 7.0 (H-38 Plan/H-38 Plan) SO 8W.00 Pla nned: H-38 Plan Wp 7.0 V24 CB-GYRO-SS Crca[ed By: S perry Dulling Da[c: 7/22/2008 IAO 12827.33 Planned: H-38 Plan Wp 7.0 V24 M WD+IFR+MS WELL DETAILS Name +N/-S +E/-W Northing Easting Latitude Longitude Slot H-38 Plan 1 802.73 1993.33 5959412.00 64332$.00 70°1T47.782N 148°50'21.700W N/A SECTION DETAILS I' Sec MD Inc Azi TVD +N/-S +E/-W DLcg TFace VScc Target 1 28.56 0.66 0.00 28.50 0.00 0.00 0.00 0.00 0.00 2 250.60 0.00 0.60 250.00 0.00 O.OO 0.00 OAO 0.00 3 1324.20 26.85 29458 1285.30 102.81 -224.77 2.50 OAO 246.58 P TVD 4 7277.46 26.85 294.58 6596.52 1221.43 -2670.38 0.00 OAO 2929.46 S 778720 47.00 300.00 7002.00 1364.02 -2939.35 4.00 11.44 3231.42 6 10037.20 47AO 3W.00 8$36.$0 2186.79 -4364.43 0.00 0.00 4854.99 H-38 TI rev 1 7 10375.34 75.15 255.34 8704.83 2208.51 -464$.81 14.00 -67.50 5125.98 8 10760.39 75.15 255.34 8803.54 2114.32 -5005.88 0.00 0.00 5429.79 - 9 10879.06 87.46 266.65 8821.50 2096.21 -5121.35 14.00 43.23 5531.49 H-38 T2 rev 3 ~. 10 11330.90 87.46 266.65 8841.50 2069.79 -5571.97 0.00 0.00 5943.93 H-38 T3 rev I i i Il 11463.57 100.19 262.88 8832.66 2057.76 -5703.50 10A0 -16.38 6062.79 i 12 I1(i72.49 100.19 262.88 8795.71 2032.26 -5907.54 0.00 0.00 6244.77 13 12143.86 90.00 309.15 8751.50 21$9.$6 -6345.46 IQ00 99.60 6699.47 H-38 T4 rev 3 ~~ 14 12248.85 79.50 309.15 876L09 2225.49 -6426.42 10.00 180.00 6798.45 1 S 12827.33 79.50 309.1 S 8866.50 2584.63 -6867.49 0.00 0.00 7337.76 H-38 TS rev 2 - - J - , _. t Y _- _ ... _- ' I ~,, - - ~, ~ i 1i-38 Fault I it I 00 4000 6000 8000 10000 12000 Vertical Section a[ 290.62° [2000ft/in] COMPANY DETAILS REFERENCE INFORMATION SURVEY PROGRAM BP Amoco -ordinate (N/E) Reference: Well Cennr H-38 Plan, Tmc North Depth Fm Depth To Survey/Plan Tool Plan: H-3x Plan Wp 7.0 (H-38 Plan/H-38 Plun) Vertical (TVD) Reference: 43GL+28.SKB 71.50 Calculation Method: Minimum Curvature Section (VS) Rcfcrcncc: Slot - (0.U(1N,11.OOE) 28.80 xW. W PlanncJ: H-38 Plan Wp 7.0 V24 CB-GYRO-SS Crcatcd By: Sperry Drilling Datc: 7/22/2008 Error System: ISCWSA easured Depth Rcfcrcncc: 43GL+2x.5K8 7L50 x00.00 12827.33 Planned: H-38 Plan W 7.0 V24 MWD+IFR+MS Scan Method: Trav Cylinder North Calculation Method: Minimum Curvature WELL DETAILS Error Surface: Elliptical+Casing Warning Mc[hod: Rules Based Name +N/-S +E/-W Northing Fasting Latitude Longitude Slot /~ ^ ^~+ R ~ H A L ~' ~ ~ f"{ ! ©~ Y H-38 Plan 1802.73 1993.33 5959412.00 643328.00 70`1T47.782N 148°SU'21.7WW N/A J--. - TARGET DETAILS Sperry Drilling Services ~ -- - - S +E/ W N hi / F ti Sh Name TVD +N - ort ng - as ng ape - H-38 Fault 2 71.50 1740.76 -6623.52 5961U26A1 6 36670.(10 Polygon - I ~ - _ ~ ~ - ~ '---~--' H-38 Fault3 71.50 2667.56 -7282.02 5961940.01 635994.00 Polygon ~i i ~, I ~~ ~ ~ H-38 Faults 71.50 2304.22 -4909.33 5961622A0 638373.00 Polygon i . - ~ ~~ ~ - -' ~ ~- -- H-38 T1 rev 1 8536.50 2186.79 -4364.43 5961515.00 538920.00 Point i H-38 T4 rev 3 875 LSU 2159.56 -6345.46 5961450.01 636I4UA0 Point I I H-38 T2 rev 3 8821.50 2096.21 -5121.35 5961410.00 638165.00 Point ~ I H-38 T2 rev I 882L50 2l 11.72 -4886.00 596143Q.0(1 638400.00 Point 3118 H-3 Fault 3 I i ', H-38 'f3 rev I 884LSU 2069.79 -5571.97 5961375.0(1 637718.00 Point ____- _-__ - -------------- -- H-38 Gco-poly 8851.50 2124.98 -5580.92 5961430A0 637705.00 Polygon - . / . _ +_ _ _ i H-38 TS rev 2 8866.80 2584.63 -6867.49 5961865A1 636410.00 Point H-38 Plan Wp Z ~ ~ ~ H-38 Fault 4 9771.50 2667.56 -7282.02 5961940.01 635994.00 Polygon ~ , ' ! I _ +.. 1. H-38 Fault l l 1571.50 1616.84 -5685.64 896(19_0.00 637610.W Polygon -Total Depth :128 --~ H- 8 an ? P~ ~ 7.33'MD, }3866.5' TVD , ~ ~L~--- CASING DETAILS 1~ ~.H-3$TSrev2 .1/ 1~ d Dir : 12248.85' MD, 87 I.U9' "1'VU -~. No. TVD MD Namc Size ~{-38 ult 4 ~- 1' Start Du I( /100' : 11672.49' MD, 879 .71'TVD - - - i ._, - i .__... . /.r ~ -- 9 ctmf i E dPir 11463.ST D;88 166'TVE -- ---- T--~ i ~ 1 3130.09 339_.00 9 S/8" ~ 9.6_8 2338 . . ;! ~ - -~ ---- - T ---- - - ~ t - -38 TI fc l 2 8470.21 9940.00 7" 7.00(1 ~ H-38 2 . - - -- Start Dir 14°/IW' 10037.2' MD, $536.5'TV - - 3 8866.50 12827.33 4 1/2" 4.800 - ~ ~- - ' .., _ -38 T4 rcv~3 H-_ ~_T2rev i -~ ~- ~ - ~ ) :~ ~ ~ / / H H-3 Fault2 ~: ' ~ ---- ---'End =38T3 rev I - -- --- --{- i Start ir14/IUU 38Gco-poly 1 _ bir :10375. U, 8704.83' TVD 10760.39'M 0 . "FVD _-__ ~~ } ~ I I~I + . -_ - ' 5' TVD - 8 ~ '- ~ ~ - - - ,L _ - End Drr : 10 79.06 MD , 821. c 1559 ~ ~ I~rt Y. 4 f_ I H-38 Fault 1 _ tart Dir IU°/100' :11330. ' MD, 884 1.5'TVD - 7500. ~ End Dir :7787. MD, 7002' TVD r°n . -. __ Start Di .7000 4°/100' : 7 277.46' MD, 65 6.52'TVD --t _ 4 ~4 L ~ t ~ ~ 6500 FORMATION TOP DETAILS ~ ~ ~ ~ ~ ~ ~ - ~ ~. 600 ' TVDPath MDPath Formation - - -' _ SSUO -- - j j - ~ : - - 426.50 426.67 Base Upper GraveVGubic ~~' ~ '' ~ ~ ~~' - 4500 I ~ I III 1701.50 1790.71 BaseGubic/SV6 ~ - ~ - -~- ~ ' - ~ - - I ~ - - - ~ ~ - ~ -j - 1984.50 . _ ase emta rust ( ) - i ~ ~' ' 1 ~ 4000 9 S/8" - 2401.80 2575.33 SVS ~ ~ ~~ ~ ~ ~ - - ~ - ~~ ~ I 3500 p ~ I 2582.50 2778.21 SV4 ~ . ~ ~ j 3091.50 3348.74 SV3 I , - 3000. 3201.50 3472.04 SV3-surface casing pt _ _ ,. _.~ _ '. _ -. ~. '. '~. - End Dir :1324.2' M D, L85.3' TV - 25 0 ~~~ 3231.50 38(15.67 SV2 '.. i ~ -------_-__ 3596.50 3914.79 SVI ' ~ I -~~ '- 4061.50 4436.00 UG4 - - - 1- I ~ ~ ~ i ~-- -- - ~ ~ ~ - - - Start D it' 2.5°/100' : 2 0' MD, 250'TVD 4354.5(1 4764.42 UG3 I--~'. -. _. .. 1000 4821.50 5287.87 UGI ~ SU 5226.5(1 5741.83 WS2 I I ~~ 5451.50 5994A3 WSI - -, --~ - - ~ - -~----- --r -- ~ ~ SECTION DETAILS 5666 5(1 6235.02 CM3 I j I - Sc c MD Inc Azi TVD +NI-S +E/-W DLeg TFace VScc Turgct 6141 5(I 6767.44 CM_ 5666.SU 7357.04 CMI ~ - - ~ ~ i - ~ ~ { -~ r -~ - - - 1 2x.50 QW 0.00 2x.50 0.00 OW 0.00 OAO 0.00 6976.50 7750.30 THRZ I ~ ~ ~ ~ ~ ~ 2 25000 0.W 0.W 250.00 O.W 0.W 0.W 0.00 0.00 7261.50 8167.69 BHRZ/TKUP 3 1324.20 26.85 294.58 1285.30 1112.81 -224.77 2.50 OAO 246.58 7261.50 8167.69 LCU - ~ ~ ~ - ~ ~ ~ - - - - - - - 4 7277.45 26.x5 294.58 6596.52 122 L43 -2570.38 0.W 0.00 2929A5 7456.50 8453.61 TKNG - ~ - - - - I S ( 7787.20 47.00 300.00 10037 20 47 00 300.00 7002.W 8536 50 1364.02 -2939.35 4.00 11.44 43 O W 0 00 2186 79 -0364 3231.42 4854 99 f1-38T1 rev 1 7456.50 7831.50 8453.61 TJG 9003.47 T1F - - 7 . . 10378.34 75.15 255.34 . 8704.83 . . . . 2208.51 -0645.81 14.00 -67.50 08 x8 O W 0 00 . 5125.98 5429 79 7971.50 9208.75 TJE 8 107(0.39 75.18 255.34 8x03.54 . . 2114.32 -80 . . 8231 50 9589 98 T1D _ 9 10x79.06 87.46 266.65 8x21.50 209621 -5121.35 14.00 43.23 5531.49 H-38 T2 rev 3 . 8231.50 . 9589.98 TJC 10 II 11330.90 87A6 266.65 11463.57 100.19 262.88 8841.50 8832.66 2069.79 -5571.97 0.00 0.00 2057.76 -5703.50 IO.OU -16.38 5943.93 6062.79 H-38 T3 rev 1 8361.50 9780.60 T1B 12 11672.49 100.19 26288 8795.71 203226 -5907.54 0.00 0.011 6244.77 8836.50 10037.20 TSGR -62 35 -5456 -4677 -3897 13 12143.86 90.00 309.15 8751.50 21 S9.S6 -!348.46 10.00 99.60 6699.47 H-38 T4 rev 3 8571.50 1009Q06 TSHU 14 12248.85 79.50 309.15 8761.09 2225.49 -6426.42 10.00 180.110 5798.45 8649.50 10227.50 TSAD Wcs[(-)/East(+ IS 12827.33 79.80 309.15 8x66.50 28x4.63 -6867.49 0.00 0.00 7337.76 H-38 T5 rcv2 Sperry-Sun ,~ BP Planning Report Company: BP Amoco Date: 7/22/2008 Time: 12:10:52 Page:. 1 Field: Prudhoe Bay Co-ordinate(NE) Reference: Well: H-38 Plan, TFue North Site: PB H Pad Vertical (TVD) Reference: 43GL+28.5K671.5 Well: H-38 Plan Section (VS) Reference:. Well (O,OON,O:OOE,290.62Azi) -Wellpath: H-38 Plan Survey Calculation Method: Minimum Curvature l)b: Oracle Plan: H-38 Plan Wp 7.0 Date Composed: 6/11/2008 Version: 24 Principal: Yes Tied-to: From Well Ref. Point Field: Prudhoe Bay North Slope UNITED STATES Map System: US State Plane Coordinate System 1927 Map Zone: Alaska, Zone 4 Geo Datum: NAD27 (Clarke 1866) Coordinate System: Well Centre Sys Datum: Mean Sea Level Geomagnetic Model: bggm2007 Site: PB H Pad TR-11-13 UNITED STATES :North Slope Site Position: Northing:. 5957572.25 ft Latitude: 70 17 30.055 N From: Map Easting: 641366.07 ft Longitude: 148 51 19.802 W Position Uncertainty: 0.00 ft North Reference: True Ground Level: 0.00 ft Grid Convergence: 1.08 deg Well: H-38 Plan Slot Name: Well Position: +N/-S 1802.73 ft Northing: 5959412.00 ft Latitude: 70 17 47.782 N +E/-W 1993.33 ft EasHng : 643325.00 ft Longitude: 148 50 21.700 W Position Uncertainty: 0.00 ft Casing Points MD TVD Diameter Hole Size Name ft ft in in 3392.00 3130.09 9.625 12.250 9 5/8" 9940.00 8470.21 7.000 8.500 7" 12827.33 8866.50 4.500 6.125 41/2" .Formations MD TVD Formations Lithology Dip Angle Dip Direction; ft ft deg deg 426.67 426.50 Base Upper Gravel/cubic 0.00 0.00 1790.71 1701.50 Base GubiGSV6 0.00 0.00 2107.92 1984.50 Base Permafrost (BPRF) 0.00 0.00 2575.33 2401.50 SV5 0.00 0.00 2778.21 2582.50 SV4 0.00 0.00 3348.74 3091.50 SV3 0.00 0.00 3472.04 3201.50 SV3-surtace casing pt 0.00 0.00 3505.67 3231.50 SV2 0.00 0.00 3914.79 3596.50 SV1 0.00 0.00 4436.00 4061.50 UG4 0.00 0.00 4764.42 4354.50 UG3 0.00 0.00 5287.87 4821.50 UG1 0.00 0.00 5741.83 5226.50 WS2 0.00 0.00 5994.03 5451.50 WS1 0.00 0.00 6235.02 5666.50 CM3 0.00 0.00 6767.44 6141.50 CM2 0.00 0.00 7357.04 6666.50 CM1 0.00 0.00 7750.30 6976.50 THRZ 0.00 0.00 8167.69 7261.50 BHRZ/TKUP 0.00 0.00 8167.69 7261.50 LCU 0.00 0.00 8453.61 7456.50 TKNG 0.00 0.00 8453.61 7456.50 TJG 0.00 0.00 9003.47 7831.50 TJF 0.00 0.00 9208.75 7971.50 TJE 0.00 0.00 9589.98 8231.50 TJ D 0.00 0.00 9589.98 8231.50 TJC 0.00 0.00 9780.60 8361.50 TJB 0.00 0.00 10037.20 8536.50 TSGR 0.00 0.00 10090.06 8571.50 TSHU 0.00 0.00 10227.50 8649.50 TSAD 0.00 0.00 Sperry-Sun BP Planning Report Company: BP Amoco Date: 7/22/2008 Time:. 12:10:52 Page: 2 Field: Prudhoe Bay Co-ordinate(NE) Reference: W ell: H-38 Plan, True North Site: PB H Pad Vertical (TVD) Reference: 43GL+28.5K6 71.5 Well: H-38 Plan Section (VS)13eference: W ell (O .OON,O.OOE,290.62Azi) Wellpath: H-38 Plan Survey Calculation Method: Minimu m Curvature Db: Oracle Targets Map Map <-- Latitude --> <- Longitude --> Name Description TVD +N/-S +E/-W .Northing Easting Deg. Min Sec Deg Min Sec Dip.. Dir. ft ft ft ft ft H-38 Fault 2 71.50 1740.76 -6623.52 5961026.01 636670.00 70 18 4.874 N 148 53 34.809 W -Polygon 1 71.50 1740.76 -6623.52 5961026.01 636670.00 70 18 4.874 N 148 53 34.809 W -Polygon 2 71.50 1740.76 -6623.52 5961026.01 636670.00 70 18 4.874 N 148 53 34.809 W -Polygon 3 71.50 2401.30 -6380.86 5961691.01 636900.00 70 18 11.372 N 148 53 27.750 W -Polygon 4 71.50 2589.06 -6051.20 5961885.01 637226.00 70 18 13.222 N 148 53 18.142 W -Polygon 5 71.50 2401.30 -6380.86 5961691.01 636900.00 70 18 11.372 N 148 53 27.750 W H-38 Fault 3 71.50 2667.56 -7282.02 5961940.01 635994.00 70 18 13.983 N 148 53 54.033 W -Polygon 1 71.50 2667.56 -7282.02 5961940.01 635994.00 70 18 13.983 N 148 53 54.033 W -Polygon 2 71.50 2965.43 -7009.27 5962243.01 636261.00 70 18 16.915 N 148 53 46.088 W -Polygon 3 71.50 3039.14 -6258.67 5962331.01 637010.00 70 18 17:646 N 148 53 24.203 W -Polygon 4 71.50 2996.92 -4465.01 5962323.01 638804.00 70 18 17.244 N 148 52 31.899 W -Polygon 5 71.50 3039.14 -6258.67 5962331.01 637010.00 70 18 17.646 N 148 53 24.203 W -Polygon 6 71.50 2965.43 -7009.27 5962243.01 636261.00 70 18 16.915 N 148 53 46.088 W H-38 Fault 5 71.50 2304.22 -4909.33 5961622.00 638373.00 70 18 10.428 N 148 52 44.842 W -Polygon 1 71.50 2304.22 -4909.33 5961622.00 638373.00 70 18 10.428 N 148 52 44.842 W -Polygon 2 71.50 2324.27 -4334.80 5961653.00 638947.00 70 18 10.629 N 148 52 28.091 W H-38 T1 rev 1 8536.50 2186.79 -4364.43 5961515.00 638920.00 70 18 9.277 N 148 52 28.952 W H-38 T4 rev 3 8751.50 2159.56 -6345.46 5961450.01 636940.00 70 18 8.995 N 148 53 26.712 W H-38 T2 rev 3 8821.50 2096.21 -5121.35 5961410.00 638165.00 70 18 8.381 N 148 52 51.020 W H-38 T2 rev 1 8821.50 2111.72 -4886.00 5961430.00 638400.00 70 18 8.535 N 148 52 44.158 W H-38 T3 rev 1 8847.50 2069.79 -5571.97 5961375.00 637715.00 70 18 8.118 N 148 53 4.158 W H-38 Geo-poly 8851.50 2124.98 -5580.92 5961430.00 637705.00 70 18 8.661 N 148 53 4.420 W -Polygon 1 885'1.50 2349.89 -6936.99 5961629.00 636345.00 70 18 10.862 N 148 53 43.964 W -Polygon 2 8851.50 1798.65 -6197.31 5961092.00 637095.00 70 18 5.447 N 148 53 22.384 W -Polygon 3 8851.50 1986.71 -4205.21 5961318.00 639083.00 70 18 7.310 N 148 52 24.307 W -Polygon 4 8851.50 2418.10 -4219.98 5961749.00 639060.00 70 18 11.552 N 148 52 24.745 W -Polygon 5 8851.50 2357.54 -6026.60 5961654.00 637255.00 70 18 10.945 N 148 53 17.420 W -Polygon 6 8851.50 2726.22 -6896.80 5962006.00 636378.00 70 18 14.563 N 148 53 42.802 W H-38 T5 rev 2 8866.50 2584.63 -6867.49 5961865.01 636410.00 70 18 13.171 N 148 53 41.944 W H-38 Fault 4 9771.50 2667.56 -7282.02 5961940.01 635994.00 70 18 13.983 N 148 53 54.033 W -Polygon 1 9771.50 2667.56 -7282.02 5961940.01 635994.00 70 18 13.983 N 148 53 54.033 W -Polygon 2 977'1.50 1922.70 -6985.14 5961201.01 636305.00 70 18 6.660 N 148 53 45.357 W -Polygon 3 9771.50 1533.01 -6272.39 5960825.01 637025.00 70 18 2.834 N 148 53 24.566 W -Polygon 4 9771.50 1676.85 -5213.38 5960989.01 638081.00 70 18 4.256 N 148 52 53.695 W -Polygon 5 9771.50 1759.63 -4151.52 5961092.01 639141.00 70 18 5.077 N 148 52 22.738 W -Polygon 6 -Polygon 7 9771.50 977!1.50 1676.85 1533.01 -5213.38 -6272.39 5960989.01 5960825.01 638081.00 637025.00 70 70 18 18 4.256 N 2.834 N 148 148 52 53 53.695 W 24.566 W -Polygon 8 9771.50 1922.70 -6985.14 5961201.01 636305.00 70 18 6.660 N 148 53 45.357 W H-38 Fault 1 11571.50 1616.84 -5685.64 5960920.00 637610.00 70 18 3.663 N 148 53 7.462 W -Polygon 1 11571.50 1616.84 -5685.64 5960920.00 637610.00 70 18 3.663 N 148 53 7.462 W -Polygon 2 11571.50 1946.30 -5705.36 5961249.00 637584.00 70 18 6.903 N 148 53 8.044 W -Polygon 3 11571.50 2486.59 -5083.90 5961801.00 638195.00 70 18 12.221 N 148 52 49.936 W -Polygon 4 11571.50 1946.30 -5705.36 5961249.00 637584.00 70 18 6.903 N 148 53 8.044 W Plan Section Information MD Incl Azim TVD +N/-S +E/-W DLS .Build Turn TFO Target ft deg deg ft ft ft deg/100ft deg/100ft deg/100ft deg 28.50 0.00 0.00 28.50 0.00 0.00 0.00 0. 00 0.00 0.00 250.00 0.00 0.00 250.00 0.00 0.00 0.00 0. 00 0.00 0.00 1324.20 26.85 294.58 1285.30 102.81 -224.77 2.50 2. 50 0.00 0.00 Sperry-Sun BP Planning Report Company: BP Amoco Date: 7/22/2008 Time: 12:1.0:52 Page: 3 Field: Prudhoe Bay Co-ordinate(NE) Reference: Well: H-38 Plan, True North Site: PB H Pad Vertical (TVD) Reference: 43GL+28.5KB 71.5 Well: H-38 Plan Section (VS) Reference: Well (O.OON,O.OOE,290.62Azi) Wellpath: H-38 Plan Survey Calculation Method: Minimum Curvature Db: Oracle Plan Section Information MD Incl Azim TVD +N/-S +E/-W DLS Build Turn TFO Target ft deg deg ft ft ft deg/100ft deg/100ft deg/100ft' deg, 7277.46 26.85 294.58 6596.52 1221.43 -2670.38 0.00 0.00 0.00 0.00 7787.20 47.00 300.00 7002.00 1364.02 -2939.35 4.00 3.95 1.06 11.44 10037.20 47.00 300.00 8536.50 2186.79 -4364.43 0.00 0.00 0.00 0.00 H-38 T1 rev 1 10375.34 75.15 255.34 8704.83 2208.51 -4645.81 14.00 8.32 -13.21 -67.50 10760.39 75.15 255.34 8803.54 2114.32 -5005.88 0.00 0.00 0.00 0.00 10879.06 87.46 266.65 8821.50 2096.21 -5121.35 14.00 10.38 9.53 43.23 H-38 T2 rev 3 11330.90 87.46 266.65 8841.50 2069.79 -5571.97 0.00 0.00 0.00 0.00 H-38 T3 rev 1 11463.57 100.19 262.88 8832.66 2057.76 -5703.50 10.00 9.59 -2.84 -16.38 11672.49 100.19 262.88 8795.71 2032.26 -5907.54 0.00 0.00 0.00 0.00 12143.86 90.00 309.15 8751.50 2159.56 -6345.46 10.00 -2.16 9.82 99.60 H-38 T4 rev 3 12248.85 79.50 309.15 8761.09 2225.49 -6426.42 10.00 -10.00 0.00 180.00 12827.33 79.50 309.15 8866.50 2584.63 -6867.49 0.00 0.00 0.00 0.00 H-38 T5 rev 2 Survey MD Incl Azim TVD Sys TVD VS N/S E/W DLS MapN MapE Tool/Co ft deg deg ft ft ft ft ft deg/100ft ft ft 28.50 0.00 0.00 28.50 -43.00 0.00 0.00 0.00 0.00 5959412.00 643325.00 CB-GYRO 71.50 0.00 0.00 71.50 0.00 0.00 0.00 0.00 0.00 5959412.00 643325.00 H-38 Fault 100.00 0.00 0.00 100.00 28.50 0.00 0.00 0.00 0.00 5959412.00 643325.00 CB-GYRO 200.00 0.00 0.00 200.00 128.50 0.00 0.00 0.00 0.00 5959412.00 643325.00 CB-GYRO 250.00 0.00 0.00 250.00 178.50 0.00 0.00 0.00 0.00 5959412.00 643325.00 Start Dir 2. 300.00 1.25 294.58 300.00 228.50 0.54 0.23 -0.50 2.50 5959412.22 643324.50 CB-GYRO 400.00 3.75 294.58 399.89 328.39 4.90 2.04 -4.46 2.50 5959413.96 643320.50 CB-GYRO 426.67 4.42 294.58 426.50 355.00 6.79 2.83 -6.19 2.50 5959414.71 643318.76 Base Uppe 500.00 6.25 294.58 499.50 428.00 13.59 5.67 -12.39 2.50 5959417.43 643312.51 CB-GYRO 600.00 8.75 294.58 598.64 527.14 26.61 11.09 -24.26 2.50 5959422.63 643300.54 CB-GYRO 700.00 11.25 294.58 697.11 625.61 43.93 18.32 -40.05 2.50 5959429.55 643284.61 CB-GYRO 800.00 13.75 294.58 794.74 723.24 65.52 27.32 -59.73 2.50 5959438.17 643264.77 MWD+IFR 900.00 16.25 294.58 891.32 819.82 91.34 38.08 -83.26 2.50 5959448.49 643241.03 MWD+IFR 1000.00 18.75 294.58 986.68 915.18 121.34 50.59 -110.61 2.50 5959460.47 643213.46 MWD+IFR 1100.00 21.25 294.58 1080.65 1009.15 155.46 64.82 -141.71 2.50 5959474.10 643182.09 MWD+IFR 1200.00 23.75 294.58 1173.03 1101.53 193.63 80.73 -176.50 2.50 5959489.35 643147.00 MWD+IFR 1300.00 26.25 294.58 1263.65 1192.15 235.79 98.31 -214.93 2.50 5959506.19 643108.25 MWD+IFR 1324.20 26.85 294.58 1285.30 1213.80 246.58 102.81 -224.77 2.50 5959510.50 643098.33 End Dir : 1 1400.00 26.85 294.58 1352.92 1281.42 280.74 117.05 -255.91 0.00 5959524.14 643066.92 MWD+IFR 1500.00 26.85 294.58 1442.14 1370.64 325.81 135.84 -296.99 0.00 5959542.14 643025.50 MWD+IFR 1600.00 26.85 294.58 1531.35 1459.85 370.87 154.63 -338.07 0.00 5959560.15 642984.07 MWD+IFR 1700.00 26.85 294.58 1620.57 1549.07 415.94 173.42 -379.15 0.00 5959578.15 642942.64 MWD+IFR 1790.71 26.85 294.58 1701.50 1630.00 456.82 190.47 -416.42 0.00 5959594.48 642905.06 Base Gubi 1800.00 26.85 294.58 1709.78 1638.28 461.00 192.21 -420.23 0.00 5959596.15 642901.21 MWD+IFR 1900.00 26.85 294.58 1799.00 1727.50 506.07 211.00 -461.31 0.00 5959614.15 642859.79 MWD+IFR 2000.00 26.85 294.58 1888.22 1816.72 551.13 229.79 -502.39 0.00 5959632.15 642818.36 MWD+IFR 2100.00 26.85 294.58 1977.43 1905.93 596.20 248.58 -543.47 0.00 5959650.15 642776.93 MWD+IFR 2107.92 26.85 294.58 1984.50 1913.00 599.77 250.07 -546.73 0.00 5959651.58 642773.65 Base Perm 2200.00 26.85 294.58 2066.65 1995.15 641.27 267.37 -584.55 0.00 5959668.16 642735.50 MWD+IFR 2300.00 26.85 294.58 2155.86 2084.36 686.33 286.16 -625.63 0.00 5959686.16 642694.07 MWD+IFR 2400.00 26.85 294.58 2245.08 2173.58 731.40 304.95 -666.71 0.00 5959704.16 642652.65 MWD+IFR 2500.00 26.85 294.58 2334.29 2262.79 776.46 323.74 -707.79 0.00 5959722.16 642611.22 MWD+IFR 2575.33 26.85 294.58 2401.50 2330.00 810.41 337.90 -738.74 0.00 5959735.72 642580.01 SV5 2600.00 26.85 294.58 2423.51 2352.01 821.53 342.53 -748.87 0.00 5959740.16 642569.79 MWD+IFR 2700.00 26.85 294.58 2512.72 2441.22 866.59 361.32 -789.95 0.00 5959758.17 642528.36 MWD+IFR 2778.21 26.85 294.58 2582.50 2511.00 901.84 376.02 -822.08 0.00 5959772.24 642495.96 SV4 2800.00 26.85 294.58 2601.94 2530.44 911.66 380.11 -831.03 0.00 5959776.17 642486.94 MWD+IFR 2900.00 26.85 294.58 2691.15 2619.65 956.73 398.90 -872.11 0.00 5959794.17 642445.51 MWD+IFR 3000.00 26.85 294.58 2780.37 2708.87 1001.79 417.69 -913.19 0.00 5959812.17 642404.08 MWD+IFR gent i i ~rav 3 i 1S 1S .V6 1S 1S 7S 7S rost 7S 7S 7S 7S 7S 7S ~S ~S ~S Sperry-Sun (` BP Planning Report Company: BP Amoco Date: 7/22/2008 Time: 12:10:52 Page: 4 Field: Prudhoe Bay Co-ordinate(NE) Reference: Well: H-38 Plan, Tru e North Site: PB H Pad Vertical (TVD) Reference: 43GL+28.5KB 71.5 Well: H-38 Plan Section (VS) Reference: Well (O.OON,O.OOE,290.62Azi) Wellpath: H-38 Plan Survey Calcul ation Method. Minimum Curvature Dbc Oracle Survey MD Incl Azim TVD Sys TVD VS N/S E/W DLS MapN MapE TooUCo ft deg deg ft ft ft ft ft deg/100ft ft ft 3100.00 26.85 294.58 2869.58 2798.08 1046.86 436.48 -954.27 0.00 5959830.17 642362.65 MWD+IFR 3200.00 26.85 294.58 2958.80 2887.30 1091.92 455.27 -995.35 0.00 5959848.17 642321.22 MWD+IFR 3300.00 26.85 294.58 3048.01 2976.51 1136.99 474.06 -1036.43 0.00 5959866.18 642279.80 MWD+IFR 3348.74 26.85 294.58 3091.50 3020.00 1158.96 483.22 -1056.46 0.00 5959874.95 642259.60 SV3 3392.00 26.85 294.58 3130.09 3058.59 1178.45 491.35 -1074.23 0.00 5959882.74 642241.68 9 5/8" 3400.00 26.85 294.58 3137.23 3065.73 1182.06 492.85 -1077.51 0.00 5959884.18 642238.37 MWD+IFR 3472.04 26.85 294.58 3201.50 3130.00 1214.52 506.39 -1107.11 0.00 5959897.15 642208.52 SV3-surfac 3500.00 26.85 294.58 3226.44 3154.94 1227.12 511.64 -1118.59 0.00 5959902.18 642196.94 MWD+IFR 3505.67 26.85 294.58 3231.50 3160.00 1229.68 512.71 -1120.92 0.00 5959903.20 642194.59 SV2 3600.00 26.85 294.58 3315.66 3244.16 1272.19 530.43 -1159.67 0.00 5959920.18 642155.51 MWD+IFR 3700.00 26.85 294.58 3404.87 3333.37 1317.25 549.22 -1200.75 0.00 5959938.18 642114.09 MWD+IFR 3800.00 26.85 294.58 3494.09 3422.59 1362.32 568.01 -1241.83 0.00 5959956.18 642072.66 MWD+IFR 3900.00 26.85 294.58 3583.31 3511.81 1407.38 586.80 -1282.91 0.00 5959974.19 642031.23 MWD+IFR 3914.79 26.85 294.58 3596.50 3525.00 1414.05 589.58 -1288.99 0.00 5959976.85 642025.10 SV1 4000.00 26.85 294.58 3672.52 3601.02 1452.45 605.59 -1323.99 0.00 5959992.19 641989.80 MWD+IFR 4100.00 26.85 294.58 3761.74 3690.24 1497.52 624.38 -1365.07 0.00 5960010.19 641948.37 MWD+IFR 4200.00 26.85 294.58 3850.95 3779.45 1542.58 643.17 -1406.15 0.00 5960028.19 641906.95 MWD+IFR 4300.00 26.85 294.58 3940.17 3868.67 1587.65 661.96 -1447.23 0.00 5960046.19 641865.52 MWD+IFR 4400.00 26.85 294.58 4029.38 3957.88 1632.71 680.75 -1488.31 0.00 5960064.19 641824.09 MWD+IFR 4436.00 26.85 294.58 4061.50 3990.00 1648.94 687.52 -1503.10 0.00 5960070.68 641809.18 UG4 4500.00 26.85 294.58 4118.60 4047.10 1677.78 699.54 -1529.39 0.00 5960082.20 641782.66 MWD+IFR 4600.00 26.85 294.58 4207.81 4136.31 1722.85 718.33 -1570.47 0.00 5960100.20 641741.24 MWD+IFR 4700.00 26.85 294.58 4297.03 4225.53 1767.91 737.12 -1611.55 0.00 5960118.20 641699.81 MWD+IFR 4764.42 26.85 294.58 4354.50 4283.00 1796.94 749.23 -1638.02 0.00 5960129.80 641673.12 UG3 4800.00 26.85 294.58 4386.24 4314.74 1812.98 755.91 -1652.63 0.00 5960136.20 641658.38 MWD+IFR 4900.00 26.85 294.58 4475.46 4403.96 1858.04 774.70 -1693.71 0.00 5960154.20 641616.95 MWD+IFR 5000.00 26.85 294.58 4564.67 4493.17 1903.11 793.49 -1734.79 0.00 5960172.21 641575.52 MWD+IFR 5100.00 26.85 294.58 4653.89 4582.39 1948.17 812.28 -1775.87 0.00 5960190.21 641534.10 MWD+IFR 5200.00 26.85 294.58 4743.10 4671.60 1993.24 831.07 -1816.95 0.00 5960208.21 641492.67 MWD+IFR 5287.87 26.85 294.58 4821.50 4750.00 2032.84 847.58 -1853.05 0.00 5960224.03 641456.27 UG1 5300.00 26.85 294.58 4832.32 4760.82 2038.31 849.86 -1858.03 0.00 5960226.21 641451.24 MWD+IFR 5400.00 26.85 294.58 4921.53 4850.03 2083.37 868.65 -1899.11 0.00 5960244.21 641409.81 MWD+IFR 5500.00 26.85 294.58 5010.75 4939.25 2128.44 887.44 -1940.19 0.00 5960262.21 641368.39 MWD+IFR 5600.00 26.85 294.58 5099.96 5028.46 2173.50 906.23 -1981.27 0.00 5960280.22 641326.96 MWD+IFR 5700.00 26.85 294.58 5189.18 5117.68 2218.57 925.02 -2022.35 0.00 5960298.22 641285.53 MWD+IFR 5741.83 26.85 294.58 5226.50 5155.00 2237.42 932.88 -2039.54 0.00 5960305.75 641268.20 WS2 5800.00 26.85 294.58 5278.40 5206.90 2263.63 943.81 -2063.43 0.00 5960316.22 641244.10 MWD+IFR 5900.00 26.85 294.58 5367.61 5296.11 2308.70 962.60 -2104.51 0.00 5960334.22 641202.67 MWD+IFR 5994.03 26.85 294.58 5451.50 5380.00 2351.08 980.27 -2143.14 0.00 5960351.15 641163.72 WS1 6000.00 26.85 294.58 5456.83 5385.33 2353.77 981.39 -2145.59 0.00 5960352.22 641161.25 MWD+IFR 6100.00 26.85 294.58 5546.04 5474.54 2398.83 1000.18 -2186.67 0.00 5960370.22 641119.82 MWD+IFR 6200.00 26.85 294.58 5635.26 5563.76 2443.90 1018.97 -2227.75 0.00 5960388.23 641078.39 MWD+IFR 6235.02 26.85 294.58 5666.50 5595.00 2459.68 1025.55 -2242.14 0.00 5960394.53 641063.88 CM3 6300.00 26.85 294.58 5724.47 5652.97 2488.96 1037.76 -2268.83 0.00 5960406.23 641036.96 MWD+IFR 6400.00 26.85 294.58 5813.69 5742.19 2534.03 1056.55 -2309.91 0.00 5960424.23 640995.54 MWD+IFR 6500.00 26.85 294.58 5902.90 5831.40 2579.10 1075.34 -2350.99 0.00 5960442.23 640954.11 MWD+IFR 6600.00 26.85 294.58 5992.12 5920.62 2624.16 1094.13 -2392.07 0.00 5960460.23 640912.68 MWD+IFR 6700.00 26.85 294.58 6081.33 6009.83 2669.23 1112.92 -2433.15 0.00 5960478.24 640871.25 MWD+IFR 6767.44 26.85 294.58 6141.50 6070.00 2699.62 1125.59 -2460.86 0.00 5960490.38 640843.31 CM2 6800.00 26.85 294.58 6170.55 6099.05 2714.29 1131.71 -2474.23 0.00 5960496.24 640829.82 MWD+IFR 6900.00 26.85 294.58 6259.76 6188.26 2759.36 1150.50 -2515.31 0.00 5960514.24 640788.40 MWD+IFR 7000.00 26.85 294.58 6348.98 6277.48 2804.42 1169.29 -2556.39 0.00 5960532.24 640746.97 MWD+IFR ent S 5 5 5 as 5 S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S IS ,~ Sperry-Sun BP Planning Report Company: BP Amoco Date: 7/22/2008 Timer 12:10:52. Page: 5 Field: Prudhoe Bay Co-ordinate(NE) Reference:. Well: H-38 Plan, Tru e North Site: PB H Pad Vertical (TVD) Reference: 43GL+28.5K6 71.5 Well: H-38 Plan Section (VS) Reference: Well (O.OON,O.OOE,290.62Azi) Wellpath: H-38PIan Survey Calculation Method: Minimum Curvature Db: ` Oracle Survey MD Inch Azim TVD Sys TVD VS N/S E/W DLS MapN MapE TooUCo ft deg deg ft ft ft ft ft deg/100ft ft ft 7100.00 26.85 294.58 6438.19 6366.69 2849.49 1188.08 -2597.47 0.00 5960550.24 640705.54 MWD+IFR 7200.00 26.85 294.58 6527.41 6455.91 2894.56 1206.87 -2638.55 0.00 5960568.24 640664.11 MWD+IFR 7277.46 26.85 294.58 6596.52 6525.02 2929.46 1221.43 -2670.38 0.00 5960582.19 640632.02 Start Dir 4° 1 7300.00 27.74 294.96 6616.55 6545.05 2939.77 1225.76 -2679.76 4.00 5960586.34 640622.56 MWD+IFR 7357.04 29.98 295.84 6666.50 6595.00 2967.21 1237.57 -2704.63 4.00 5960597.68 640597.47 CM1 7400.00 31.67 296.43 6703.39 6631.89 2989.12 1247.27 -2724.39 4.00 5960607.00 640577.53 MWD+IFR 7500.00 35.62 297.60 6786.62 6715.12 3044.16 1272.46 -2773.72 4.00 5960631.24 640527.73 MWD+IFR 7600.00 39.58 298.56 6865.83 6794.33 3104.64 1301.19 -2827.53 4.00 5960658.94 640473.39 MWD+IFR 7700.00 43.54 299.38 6940.65 6869.15 3170.26 1333.34 -2885.55 4.00 5960689.97 640414.78 MWD+IFR 7750.30 45.54 299.75 6976.50 6905.00 3205.11 1350.74 -2916.23 4.00 5960706.78 640383.77 THRZ 7787.20 47.00 300.00 7002.00 6930.50 3231.42 1364.02 -2939.35 4.00 5960719.62 640360.40 End Dir 7800.00 47.00 300.00 7010.74 6939.24 3240.66 1368.70 -2947.46 0.00 5960724.15 640352.21 MWD+IFR 7900.00 47.00 300.00 7078.94 7007.44 3312.82 1405.27 -3010.79 0.00 5960759.50 640288.19 MWD+IFR 8000.00 47.00 300.00 7147.14 7075.64 3384.98 1441.84 -3074.13 0.00 5960794.85 640224.17 MWD+IFR 8100.00 47.00 300.00 7215.34 7143.84 3457.14 1478.41 -3137.47 0.00 5960830.20 640160.15 MWD+IFR 8167.69 47.00 300.00 7261.50 7190.00 3505.98 1503.16 -3180.34 0.00 5960854.13 640116.82 LCU 8200.00 47.00 300.00 7283.54 7212.04 3529.30 1514.97 -3200.80 0.00 5960865.55 640096.13 MWD+IFR 8300.00 47.00 300.00 7351.74 7280.24 3601.46 1551.54 -3264.14 0.00 5960900.90 640032.12 MWD+IFR 8400.00 47.00 300.00 7419.94 7348.44 3673.61 1588.11 -3327.48 0.00 5960936.25 639968.10 MWD+IFR 8453.61 47.00 300.00 7456.50 7385.00 3712.30 1607.72 -3361.44 0.00 5960955.20 639933.78 TJG 8500.00 47.00 300.00 7488.14 7416.64 3745.77 1624.68 -3390.82 0.00 5960971.60 639904.08 MWD+IFR 8600.00 47.00 300.00 7556.34 7484.84 3817.93 1661.25 -3454.15 0.00 5961006.95 639840.06 MWD+IFR 8700.00 47.00 300.00 7624.54 7553.04 3890.09 1697.81 -3517.49 0.00 5961042.30 639776.04 MWD+IFR 8800.00 47.00 300.00 7692.73 7621.23 3962.25 1734.38 -3580.83 0.00 5961077.65 639712.03 MWD+IFR 8900.00 47.00 300.00 7760.93 7689.43 4034.41 1770.95 -3644.16 0.00 5961113.00 639648.01 MWD+IFR 9000.00 47.00 300.00 7829.13 7757.63 4106.56 1807.52 -3707.50 0.00 5961148.35 639583.99 MWD+IFR 9003.47 47.00 300.00 7831.50 7760.00 4109.07 1808.78 -3709.70 0.00 5961149.58 639581.77 TJF 9100.00 47.00 300.00 7897.33 7825.83 4178.72 1844.08 -3770.84 0.00 5961183.70 639519.97 MWD+IFR 9200.00 47.00 300.00 7965.53 7894.03 4250.88 1880.65 -3834.17 0.00 5961219.05 639455.95 MWD+IFR 9208.75 47.00 300.00 7971.50 7900.00 4257.19 1883.85 -3839.72 0.00 5961222.14 639450.35 TJ E 9300.00 47.00 300.00 8033.73 7962.23 4323.04 1917.22 -3897.51 0.00 5961254.40 639391.94 MWD+IFR 9400.00 47.00 300.00 8101.93 8030.43 4395.20 1953.79 -3960.85 0.00 5961289.75 639327.92 MWD+IFR 9500.00 47.00 300.00 8170.13 8098.63 4467.36 1990.35 -4024.19 0.00 5961325.10 639263.90 MWD+IFR 9589.98 47.00 300.00 8231.50 8160.00 4532.28 2023.26 -4081.18 0.00 5961356.91 639206.30 TJC 9600.00 47.00 300.00 8238.33 8166.83 4539.51 2026.92 -4087.52 0.00 5961360.45 639199.88 MWD+IFR 9700.00 47.00 300.00 8306.53 8235.03 4611.67 2063.49 -4150.86 0.00 5961395.80 639135.86 MWD+IFR 9780.60 47.00 300.00 8361.50 8290.00 4669.83 2092.96 -4201.91 0.00 5961424.30 639084.27 TJB 9800.00 47.00 300.00 8374.73 8303.23 4683.83 2100.06 -4214.20 0.00 5961431.15 639071.85 MWD+IFR 9900.00 47.00 300.00 8442.93 8371.43 4755.99 2136.63 -4277.53 0.00 5961466.50 639007.83 MWD+IFR 9940.00 47.00 300.00 8470.21 8398.71 4784.85 2151.25 -4302.87 0.00 5961480.65 638982.22 7" 10000.00 47.00 300.00 8511.13 8439.63 4828.15 2173.19 -4340.87 0.00 5961501.86 638943.81 MWD+IFR 10037.20 47.00 300.00 8536.50 8465.00 4854.99 2186.79 -4364.43 0.00 5961515.00 638920.00 H-38 T1 re 10090.06 50.19 291.09 8571.50 8500.00 4894.42 2203.79 -4400.17 14.00 5961531.31 638883.95 TSHU 10100.00 50.86 289.51 8577.82 8506.32 4902.09 2206.45 -4407.36 14.00 5961533.84 638876.70 MWD+IFR 10200.00 58.65 275.22 8635.68 8564.18 4982.43 2223.37 -4486.83 14.00 5961549.24 638796.93 MWD+IFR 10227.50 61.05 271.74 8649.50 8578.00 5005.14 2224.81 -4510.56 14.00 5961550.22 638773.18 TSAD 10300.00 67.76 263.29 8680.85 8609.35 5065.12 2221.84 -4575.76 14.00 5961546.01 638708.06 MWD+IFR 10375.34 75.15 255.34 8704.83 8633.33 5125.98 2208.51 -4645.81 14.00 5961531.35 638638.28 End Dir : 1 10400.00 75.15 255.34 8711.16 8639.66 5145.44 2202.48 -4668.87 0.00 5961524.88 638615.34 MWD+IFR 10500.00 75.15 255.34 8736.79 8665.29 5224.34 2178.01 -4762.38 0.00 5961498.64 638522.32 MWD+IFR 10600.00 75.15 255.34 8762.42 8690.92 5303.25 2153.55 -4855.90 0.00 5961472.40 638429.29 MWD+IFR 10700.00 75.15 255.34 8788.06 8716.56 5382.15 2129.09 -4949.41 0.00 5961446.16 638336.27 MWD+IFR 10760.39 75.15 255.34 8803.54 8732.04 5429.79 2114.32 -5005.88 0.00 5961430.31 638280.10 Start Dir 1 ° Went 1S 1S 1S 1S 1S 1S 1S 1S 1S 1S 1S 1S 1S 1S 1S 1S AS ~S ~S 37 AS AS AS AS 1 Sperry-Sun BP Planning Report Company: BP Amoco Date: 7/22/2008 ` Time: 12:10:52 Page: 6 Field: Prudhoe Bay C o-ordinate(NE) Reference:: Well: H-38 Plan,. True North Site:. PB H Pad Vertical (TVD) Reference: 43GL+28.5KB 71:5 Well: H-38 Plan Section (VS) Reference: Well (O.OON,O.OOE,290.62Azi) WeIIpath: H-38 Plan Survey Calcul ation Method: Minimum Curvature 1)b: Oracle Survey MD Incl Azim TVD Sys TVD VS N/S E/W DLS MapN MapE TooUCo ft deg deg ft ft ft ft ft ,deg/100ft ft ft 10800.00 79.22 259:20 8812.33 8740.83 5462.05 2105.82 -5043.54 14.00 5961421.10 638242.61 MWD+IFR 10879.06 87.46 266.65 8821.50 8750.00 5531.49 2096.21 -5121.35 14.00 5961410.00 638165.00 H-38 T2 re 10900.00 87.46 266.65 8822.43 8750.93 5550.60 2094.98 -5142.23 0.00 5961408.38 638144.15 MWD+IFR 11000.00 87.46 266.65 8826.85 8755.35 5641.88 2089.14 -5241.96 0.00 5961400.64 638044.55 MWD+IFR 11100.00 87.46 266.65 8831.28 8759.78 5733.16 2083.29 -5341.69 0.00 5961392.89 637944.96 MWD+IFR 11200.00 87.46 266.65 8835.71 8764.21 5824.44 2077.44 -5441.43 0.00 5961385.14 637845.37 MWD+IFR 11300.00 87.46 266.65 8840.13 8768.63 5915.72 2071.60 -5541.16 0.00 5961377.40 637745.77 MWD+IFR 11330.90 87.46 266.65 8841.50 8770.00 5943.93 2069.79 -5571.97 0.00 5961375.00 637715.00 H-38 T3 re 11400.00 94.09 264.70 8840.56 8769.06 6006.53 2064.58 -5640.83 10.00 5961368.48 637646.26 MWD+IFR 11463.57 100.19 262.88 8832.66 8761.16 6062.79 2057.76 -5703.50 10.00 5961360.47 637583.73 End Dir : 1 1 11500.00 100.19 262.88 8826.22 8754.72 6094.52 2053.32 -5739.08 0.00 5961355.35 637548.25 MWD+IFR 11600.00 100.19 262.88 8808.53 8737.03 6181.63 2041.11 -5836.74 0.00 5961341.28. 637450.84 MWD+IFR 11672.49 100.19 262.88 8795.71 8724.21 6244.77 2032.26 -5907.54 0.00 5961331.08 637380.23 Start Dir 1 ° 11700.00 99.72 265.63 8790.95 8719.45 6269.04 2029.55 -5934.50 10.00 5961327.86 637353.33 MWD+IFR 11800.00 97.83 275.57 8775.66 8704.16 6361.78 2030.59 -6033.19 10.00 5961327.02 637254.65 MWD+IFR 11900.00 95.72 285.41 8763.84 8692.34 6459.40 2048.66 -6130.70 10.00 5961343.23 637156.82 MWD+IFR 12000.00 93.44 295.18 8755.84 8684.34 6558.95 2083.20 -6224.07 10.00 5961375.98 637062.82 MWD+IFR 12100.00 91.06 304.90 8751.90 8680.40 6657.40 2133.16 -6310.46 10.00 5961424.28 636975.50 MWD+IFR 12143.86 90.00 309.15 8751.50 8680.00 6699.47 2159.56 -6345.46 10.00 5961450.01 636940.00 H-38 T4 re 12200.00 84.39 309.15 8754.25 8682.75 6752.61 2194.96 -6388.93 10.00 5961484.56 636895.87 MWD+IFR 12248.85 79.50 309.15 8761.09 8689.59 6798.45 2225.49 -6426.42 10.00 5961514.36 636857.80 End Dir : 1 12300.00 79.50 309.15 8770.41 8698.91 6846.14 2257.24 -6465.42 0.00 5961545.37 636818.21 MWD+IFR 12400.00 79.50 309.15 8788.63 8717.13 6939.37 2319.33 -6541.67 0.00 5961605.98 636740.79 MWD+IFR 12500.00 79.50 309.15 8806.86 8735.36 7032.60 2381.41 -6617.92 0.00 5961666.60 636663.38 MWD+IFR 12600.00 79.50 309.15 8825.08 8753.58 7125.83 2443.50 -6694.16 0.00 5961727.21 636585.97 MWD+IFR 12700.00 79.50 309.15 8843.30 8771.80 7219.06 2505.58 -6770.41 0.00 5961787.83 636508.56 MWD+IFR 12745.01 79.50 309.15 8851.50 8780.00 7261.02 2533.52 -6804.73 0.00 5961815.11 636473.72 H-38 Geo- 12800.00 79.50 309.15 8861.52 8790.02 7312.28 2567.66 -6846.66 0.00 5961848.44 636431.15 MWD+IFR 12827.30 79.50 309.15 8866.49 8794.99 7337.74 2584.61 -6867.47 0.00 5961864.99 636410.02 Total Dept 12827.33 79.50 309.15 8866.50 8795.00 7337.76 2584.63 -6867.49 0.00 5961865.01 636410.00 H-38 T5 re rent WELL DETAILS ANTI-COLLISION SETTINGS ('OMPANV DETAILS Sl1RVEY PRU(i13AM Name -N/-S 'FJ-W Northing Fa4ing IrriNJe LongiruJe Slat II-JB PIen 1802-7J 1993.33 SYSY412.W WJJ2S fq 711'17'47-7%3N 148'S0'21.7WW N/A Imetpolation Mcihod:MD Depth RangC From: 28.50 Maximum Range: 1479.88 Interval: TU: Reference: 25.00 12827.33 Plan: H-38 PIan Wp 7.0 I3P AOmcu Calalnlinn Mnhal: Mirunnm Cwvamm F.nnr syvenr: 6L'WSA Swn MnhoJ: Trav CylinJer North Upth Fm Ucprh Tu Survey/Plan Tnnl 3%.SU BINI IXI Plun ~: 11-38 PIan Wp7n V'_a CULYRDSS SIX)W Cx371J Pmnrwd:llax Plan Wp7.U V+_a hIWU~IFRMS F ror tiurWCC: F,IIipliwl -Casing W'aming MclhoJ: Rule UaxJ 0 10 0 2 10 20 30 40 50 0 64 olour To MD - '250 - 500 - 750 - 1000 - 1250 - 1500 - 1750 - 2000 - 2250 D-3x rlan Rig: Rcf. Uannn: 43f L-28.SKfi 715UR V Amgk N~-S (E// W FlomllNU ?91162' 11.1X) D.W '_R.SU - 2500 LF.GF.NU - 2750 II-UTA fIIaJ1A1. Major Risk II-UTAI'DI (114)IAI'1311. Majnr Risk - 3000 II{II (II~III-Major Risk - 3250 II~II„III-1131. Majnr klsk -- II-U^_IINCAI-Major Risk -- 3500 II~0±111-112A1'Ull Major Risk i - 3750 I NIS (I 1415), A1ajur k rk 11415 (11415A4 Majnr Risk -- QQQQ I I~ I J (11-141. Mains Risk II-Ia lII-14A1. Majnr Risk - 4250 I I-14111-I aAPft l L M1tajor Rixk M lti k - 4500 II-Ia III-14AP031. ajnr s -- II-IJ (II-IaAI'n11. Majnr RiJ: - 4750 11-14111-14AI'I541. Major Rirk 11-14111-14n1. Major Rink NOF RRORS - H IS II IS - 5000 - ( - . I. -- II-IG(11-161. Majnr Risk - 5250 ~ II-IG(II-16A I. Major Rirk 5500 - II-IG(II-I6APRI1. Majnr Rirk ~ II-IG(II-IGUI, Mnjur Rirk II-17A 111-17A1. Major Risk - 5750 ~ II-17 (II-171. Major Risk 6000 ~ II-Ix 111-181. Major Risk 6250 II 33A 111 ^3AI. Majnr Risk -' II 3JArnl IIl-31APIi11. Major RiJ - 11-?3 (11-?71. Majnr Rirk - II-^_4111-_'41. Major Ruk 11-?4 (I I-'4A I. Majw' Risk - I I-'_S (II-_'S1. Majnr Risk - 11 2N 111-3%1-Majnr Rirk U-07111-071. Majnr Wsk II-IIA (U-IIAI. Majnr llisk - ll-1IU [I1-11134 Major Risk D~II (U-1Il. Mnjur Risk - II-3A PWn - IIJx PIan Wp 7U Removed. ;an for Plans l le @ No Errors Inc Aii TVD ~N/-S ~E/-W DLcg TFacc VS~Y Tm'gcl O.W O.W ?x.sn O.W O.W 0.1X1 U-IXI O.W O.W IXIXI 35U.W O.W nW II.IN) II,W nlq !6.%5 2Y4.5% 1?851(1 1113.x1 -'_34.77 2.511 Ull0 246.5% !6.85 '_W.SA GSYG.52 I'_?1.41 -2G7U1ri U.W OW 392Y.46 1~1p 3W.W 7W311(1 1144.02 ~YJY.JS 4IX) 11.44 3331.4? 17.U11 1W.W 8534.50 218(r-7Y -0164-41 fIW O.W 4854-Y9 II-3N Tl rcvl 75.15 ?5514 8704.%3 '_'_II%.51 -0645.81 14.W fi7.5(1 5125.Y8 75.15 '_55.14 %807.54 3113.L -SWS.88 U.W 01X) 5429.79 37.44 36665 A821.5(1 3UYG.21 -5121.75 14.W 4113 5571.4H II-J8 T2 rev 3 IU 11330.Y0 874E 26665 N%41.50 ?069.79 -5571,Y7 U.W O.W 594191 II-38 T3 rcvl II 11463.57 11X1.19 34288 8%J 3.66 '_1157.76 -57U3.S0 10011 -161% G11G2.7Y 12 11672.4Y IW.19 262.88 %795.71 2U3_'._'G -S'X17.54 U.W lIW 6'_44.77 13 I?14386 YII.W JW.IS %751.511 215Y.S6 fi345.4G 10.OU 9Y.W 46YY.47 II-J8 T4 rev3 14 13248.85 7Y.SU 3UY.15 8761.OY 2"S.4Y -64'_6.42 IU.W 180W 67Y%45 IS 1'_%'_7.11 7Y.SU 3UY.15 8866.50 ?584.63 L%47.49 U.W Ulq 7337.76 Il-JS TS rev2 Travelling Cylinder Azimuth (TFO+AZI) [deg] vs Centre to Centre Separation [20ftlin] Sperry-Sun Anticollision Report Company: BP Amoco Date: 7/22/2008 Timer 11:58:55 Page: 1 Field: Prudhoe Bay Reference Site: PB H Pad Co-ordinate(NE) Reference: Well: H-38 Plan,.. True North Reference We1L• H-38 Plan Vertical (TVD) Reference: 43GL+28 :5KB 71.5 Reference Wellpath: H-38 Plan Db: Oracle GLOBAL SCAN APPLIED: All wellpaths within 200'+ 100/1000 of reference -There are TlireH~~ls in this fi2hlici pal Plan & PLANNED PROGRAM Interpolation Method: MD Interval: 25.00 ft Error Model: ISCWSA Ellipse Depth Range: 28.50 to 12827.33 ft Scan Method: Trav Cylinder North Maximum Radius: 1479.88 ft Error Surface: Ellipse + Casing Survey Program for Definitive Wellpath Date: 6/11/2008 Validated: No Version: 0 Planned From To Survey Toolcode Tool Name ft ft 28.50 800.00 Planned: H-38 Plan Wp 7.0 V24 CB-GYRO-SS Camera based gyro single shots 800.00 12827.33 Planned: H-38 Plan Wp 7.0 V24 MWD+IFR+MS MWD +IFR + Multi Station Casing Points MD TVD Diameter Hole Size Name ft ft in in 3392.00 3130.09 9.625 12.250 9 5/8" 9940.00 8470.21 7.000 8.500 7" 12827.33 8866.50 4.500 6.125 4 1 /2" Summary <--------- Offset.Wellpath --- -----> Reference Offset Ctr-Ctr No-Go Allowable Site Weq Wellpath MD MD Distance. Area Deviation Warning ft ft ft ft ft PB H Pad H-01A H-01A V1 902.36 900.00 183.19 20.03 163.16 Pass: Major Risk PB H Pad H-01APB1 H-01AP61 V1 902.36 900.00 183.19 19.65 163.53 Pass: Major Risk PB H Pad H-01 H-01 V1 902.36 900.00 183.19 19.65 163.53 Pass: Major Risk PB H Pad H-02 H-02 V1 1044.21 1025.00 273.86 22.66 251.20 Pass: Major Risk PB H Pad H-02 H-02A V6 1035.53 1025.00 273.74 22.55 251.19 Pass: Major Risk PB H Pad H-02 H-02AP61 V35 1035.53 1025.00 273.74 22.44 251.30 Pass: Major Risk PB H Pad H-05 H-05 V4 4738.64 4950.00 683.47 256.98 426.48 Pass: Major Risk PB H Pad H-05 H-05A V12 4730.82 4950.00 682.15 255.67 426.47 Pass: Major Risk PB H Pad H-14 H-14 V1 312.22 325.00 169.00 7.24 161.76 Pass: Major Risk PB H Pad H-14 H-14A V1 312.22 325.00 169.00 7.24 161.76 Pass: Major Risk PB H Pad H-14 H-14AP61 V1 312.22 325.00 169.00 7.08 161.92 Pass: Major Risk PB H Pad H-14 H-14AP62 V1 312.22 325.00 169.00 7.08 161.92 Pass: Major Risk PB H Pad H-14 H-14APB3 V1 312.22 325.00 169.02 7.08 161.94 Pass: Major Risk PB H Pad H-14 H-14APB4 V1 312.22 325.00 169.00 7.08 161.92 Pass: Major Risk PB H Pad H-14 H-14B V8 314.67 325.00 169.07 7.02 162.05 Pass: Major Risk PB H Pad H-15 H-15 V6 38.60 50.00 56.05 1.07 54.98 Pass: NOERRORS PB H Pad H-16 H-16 V3 625.61 625.00 49.41 13.27 36.14 Pass: Major Risk PB H Pad H-16 H-16A V2 625.61 625.00 49.41 13.27 36.14 Pass: Major Risk PB H Pad H-16 H-16AP61 V1 625.61 625.00 49.41 13.27 36.14 Pass: Major Risk PB H Pad H-16 H-16B V2 625.61 625.00 49.41 13.27 36.14 Pass: Major Risk PB H Pad H-17A H-17A V2 2257.34 2125.00 324.00 43.94 280.07 Pass: Major Risk PB H Pad H-17 H-17 V1 2257.34 2125.00 324.00 43.94 280.07 Pass: Major Risk PB H Pad H-18 H-18 V1 2356.28 2225.00 410.46 46.46 363.99 Pass: Major Risk PB H Pad H-23A H-23A V1 955.68 950.00 214.78 19.86 194.92 Pass: Major Risk PB H Pad H-23AP61 H-23AP61 V1 955.68 950.00 214.78 19.86 194.92 Pass: Major Risk PB H Pad H-23 H-23 V1 954.00 950.00 214.76 19.84 194.92 Pass: Major Risk PB H Pad H-24 H-24 V2 2283.76 2150.00 340.84 46.50 294.34 Pass: Major Risk PB H Pad H-24 H-24A V1 2283.76 2150.00 340.84 46.23 294.61 Pass: Major Risk PB H Pad H-25 H-25 V4 9972.93 9925.00 811.79 763.16 48.62 Pass: Major Risk PB H Pad H-28 H-28 V1 798.10 800.00 116.40 18.46 97.94 Pass: Major Risk PB U Pad U-07 U-07 V1 Out of range PB U Pad U-11A U-11A V1 Out of range PB U Pad U-11 B U-11 B V1 Out of range PB U Pad U-11 U-11 V1 11931.49 10025.00 1195.28 718.47 476.81 Pass: Major Risk Site: PB H Pad Well: H-01A Rule Assigned: Major Risk Wellpath: H-01A V1 Inter-Site Error: 0.00 ft Reference Offset Semi-Major Axis Ctr-Ctr No-Go Allowable MD TVD MD TVD Ref Offset TFO+AZI TFO-HS Casing/HSflistance Area Deviation Waroing __ _ - - EPA Aquifer Exemption - 40 CFR 147.102 (b)(3) 6050000 6000000 5950000 5900000 5850000 ~- . ----...---- 400000 500000 600000 700000 sooooo s Page 1 of 2 Maunder, Thomas E (DOA) From: Peltier, Travis M [Travis.Peltier@bp.comJ Sent: Friday, October 24, 2008 3:41 PM To: Maunder, Thomas E (DOA) Cc: Hobbs, Greg S (ANC); Smith, Phil G (ASRC) Subject: RE: H-38 Attachments: H-38 Permit to Drill updates 10.24.08 .doc Tom, Thanks again for following up on this. Again, I've attached the affected pages. -Travis Peltier GPB Drilling Engineer (907)564-4511 BPXA From: Maunder, Thomas E (DOA) [mailto:tom.maunder@alaska.gov] Sent: Friday, October 24, 2008 2:48 PM To: Peltier, Travis M Cc: Hobbs, Greg S (ANC); Smith, Phil G (ASRC) Subject: RE: H-38 Travis, Following up on the questions on the plans for this well; 1. In step 14, a "2 stage" cement job is mentioned. job planned with a lead and tail slurry. Is this correct? It appears that you have a single stage This is a one-stage job. It-had originally been written up as a two-stage job and changed . 1. Prior to splitting the stack to set the slips, it is stated to wait until the tail cement develops 50 psi compressive strength. Is the necessary compressive strength for that operation 50 or 500 psi? 500 psi is the compressive strength requirement prior to freeze protecting the 9-5/8" x 7" annulus. The casing will no longer be set on slips, unless necessary to do so. The current plan is to use a mandrel hanger. This is for safety considerations. For the answer about the 50 psi vs 500 psi, 50 psi is the cement strength that we wait for before splitting the stack. This strength keeps any gas from migrating through the cement, and will allow any micro-annulus that may have formed to collapse back against the casing. 1. On the casing/tubing program detail, you did not change the tvd of the liner top. This should now be updated. I look forward to your reply. Tom Maunder, PE AOGCC From: Peltier, Travis M [mailto:Travis.Peltier~a bp.com] Sent: Friday, October 24, 2008 2:02 PM To: Maunder, Thomas E {DOA) Cc: Hobbs, Greg S (ANC); Smith, Phil G (ASRC) i oi3oi2oog Page 2 of 2 Subject: RE: H-38 Tom, Thanks for bringing this up, and sorry for making these same mistakes again. Ive answered the questions below and attached the affected pages of the permit (4 & 8). Please let me know if this is sufficient, or if I will have to re- submit the entire package. Thanks. -T From: Maunder, Thomas E (DOA) [mailto:tom.maunder@alaska.gov] Sent: Friday, October 24, 2008 12:08 PM To: Peltier, Travis M Cc: Hobbs, Greg S (ANC); Smith, Phil G (ASRC) Subject: H-38 Travis, I am beginning to review the permit application for this well and several of the numbers/depths aren't consistent. 1. Is 8-1/2" or 8-3/4" hole being drilled? It states 8-1/2" on the 401, 8-3/4" in the cover letter, 8-1/2" in the casing/tubing program, 8-3/4" in the mud and logging programs and operations summary. 8-3/4" 2. What is the setting depth of the 7" casing? The setting depth of the 7" casing is given as 9940' and 8470' tvd on the 401 but in step 12 of the Operations Summary a depth of 9774' is given. 9940' is shown on the wellbore drawing. 9940' MD 3. What is the tvd of the 4-1/2" liner top? On the 401, the tvd of the 7" casing is listed at 8470', but the tvd of the 4-112" liner top is listed as 6957'. The liner top and calculates at 150' above the 7" shoe. The 6957' tvd is also what is listed in casing/tubing program 8368' TVD; Im at a loss for where the 6957' originated from. 4. What is the intended TD of the well?? The TD of the well (and 4-1/2" liner setting depth) is listed as 12827' on the 401, the casing/tubing program and mud program however in step 20 of the Operations Summary a depth of 13014' is given. 12827' is shown on the wellbore drawing and is the TD used throughout the directional planning. 12,827' MD I look forward to your reply. If mul#iple corrections are needed for the items listed above, a new PTD package should be submitted. Call or message with any questions. Tom Maunder, PE AOGCC 10/30/2008 Alaska Department of Natural Resources Land Administration System Page 1 of~ - ,~, , «~., . E~,~,r~rc~~r`s 5~:~~r~ ~ State Cabins ~i1ll~~ 41C[E!S ~,~~_... Alaska DN ~ ummar~ File Type: ADL File Number: 47506 ~+ Pr.n.table Case File_Summary See Township, Range, Section and Acreage? New Search Yes t"> No _ ___ _.~~ _ ~ _.... _~ LAS Menu ~ Case Abstract ~ Case Detail ~ Land Abstract l~~ile: -ADL 47511(1 ~ 5:: r~:h far Status Flat li~dates Cus[wucr°: 000106901 UNION OIL COMPANY OF CALlhORNIA PO BOX 196247 ATTN: LAND MANAGER ANCHORAGE AK 995196247 Case Type: OIL & GAS LEASE COMP DNR Unit: 780 OTL AND GAS File Locution: DOG DIV OIL AND GAS Case Status: 35 ISSUED Sta~i+s Date: 09/30/1969 Total Acres: 2480:000 Date h~i[ialed: 09/30/1969 Office ofPrimafyResponsibility: DOG DIV OIL AND GAS Lush Traf7sactiorlDale: 08/1612007 Case S`trbt}~~e: '~~ NORTH SLOPE Las! Ti°arzsaction_ DR DOCUMENT RECORDED ~Llericlia~2.~ [~ 7~,icfr~~/~ih~ -011N Ruj~~e~017F. C'ectinn~ 17 .S'ecfinn ~cr•i~~.~ G-1~) ~c>~a~•rh E~3ats 1yleria'iun.~ 1 7<~~, ~tshi/~: Il I I N hurt<~r.~ U 171: S~~~c~~rnn: I .; S'~~cli~>tt ,lc~°~~~.~ ~~)~) tl~~i~i<li~n1: U t~,utl~/rrj>.~ (11 1N R~~~zs~~~°.~ 01 'I~ S~~~clru~r: 19 S"c~~lrr~~t .~I~ j•r.~~: b(l ] ~lerielian: l ~ %~rncfzt~hi~>.~ f l I \ lti'r~~r~e_ fl (i L ti<~clir,~~.~ ZG _ti"~~c~~iu~t .~l~~rc~~~: (~ lIl Legal Description 08-11-1969 ""` * .SALE NOTICE LEG 4 L DESCRIPTION C'23-091 TIIN-RI ?E- UM GENERAL 17 F~10.00 _ALL 18 599.00 AI,L 19 601.00 ALL ?0 <-10.00 ALL TOTAL ACRES - _'. -180.00 09-19-198 *'~` * ENDICOTT PARTICIPATING AREA LEC;AI DESCRIPTION http://www.dnr.state.ak.us/las/Case_Summary.cfm?FileType=ADL&FileNumber=47506... 10/23/2008 Alaska Department of Natural Resources Land Administration System Page 1 of~ ! i ~ :.~ 4 - : ,,_; . :;- ~ .,-. - ,.~, =-~cor~7ee`s Sea~cii State Cabins ~~#~ ~ ' 1lCt~S File Type AFL ~ File Number: _ 47505 ~+ printable Case File Si+mmary See Township, Range, Section and Acreage? New Search ~~ Yes t"' No _ _.. _._ ___ 1_ A8 fiend, i Case Abstract ~ Case Detail i Land Abstract _~-, I~'rle: al)L ~47~0~ ,' :<-,-irch fo; Status ~I~.t U{~rta'F~s :~s of 10;'?~'0()5. Customer: 000106600 L?:XOti MOBIL CORPORATION LAND RESOURCES MANAGER PO BOX 2180 HOUSTON TX 772522180 Case Tlpe: ~ OiL & GAS LEASE COMP DNR Unit: 780 OIL AN,D GAS File Location: DOG Dl V OlL AND GAS Case ~S'tatus: 35 ISSUED Status Dute: 09/30/1969 Total Acres: 2560.000 Date Initiated: 09/30/1969 Office of P~~i~riary Responsibility: DOG DIV OIL AND GAS Last Ti°ansaction Dcrte: 12/31/?002 Case Subthpe: NORTH SLOPE Last Transuclion_ CDESTAND STATUS CODE STANDARDIZED h~~~ritli:rn ~ i_~ 7ownshiJ~~ 0 T'1N Range: 01 `'E ~~`c~clinn: 1 5 Section Acf°c<~: 6-i0 5:=~,r~:h '-!ats t~/<~ric/ian.~ l! Townslrr~~: U I I ~ Rurt~~~~. U I ~1 . Sct~llurt.~ 1 (~ ,~'r°clic»1 - 1 ~_ r~~s,~ (~~l(I tt<~rr~lr~~rt.~ l_' Townstrrj~: (1] I N R~rrige: 017E ~S~~c~ii~,~~.~ ~ I Section Acf'es: 640 Lle~ri~li~ut.~ l~~ 7ninrsFlrJ~: Ul IN X~nrge: 017E Secti~~n.~ 22 .~~~cNonAcres: 640 Lc ;al Description 0~4-1 I -1969 * * ~' SALE ,NOTIC'E' LEGAL DESCRIPTION' * * * C?3-90 TIlN-R17E- UMGENE2AL 1~ 6~10.00ALL I6 6=10.00 ALL 21 6=10.00 AI,L 22 610.00 ALL TOTAL ACRES 2, ~ 60.00 U>-19-198 *** ENDIC'OTT PARTICIP.f9TLVG AIZf~A LEGAL DLSCRIPTION * `* http://www.dnr.state. ak.us/las/Case_Summary.cfm?FileType=ADL&FileNumber=47505... 10/23/2008 • TRANSMITTAL LETTER CHECKLIST WELL NAME /~~' [~~" ~~~~ PTD# ~~~ J6 / Development Service Exploratory Stratigraphic Test Non-Conventional Well ~i~t,D ., ,~,ec/Df/D~ 1J~A~ ~ODL ~ ~.e!/D~v~.=J AJ~a~ Circle Appropriate Letter /Paragraphs to be Included in Transmittal Letter CHECK ADD-ONS TEXT FOR APPROVAL LETTER WHAT {OPTIONS) APPLIES MULTI LATERAL The permit is for a new wellbore segment of existing well (If last two digits in permit No. ,API No. 50- - - API number are Production should continue to be reported as a function of the between 60-69) original API number stated above. PILOT HOLE In accordance with 20 AAC 25.005(fj, all records, data and logs acquired for the pilot hole must be clearly differentiated in both welt name ( PH) and API number (50- _~ from records, data and logs acquired for well SPACING The permit is approved subject to full compliance with 20 AAC EXCEPTION 25.055. Approval to perforate and produce /inject is contingent upon issuance of a conservation order approving a spacing exception. , assumes the liability of any protest to the spacing exception that may occw. DRY DITCH All dry ditch sample sets submitted to the Commission must be in SAMPLE no greater than 30' sample intervals from below the permafrost or from where samples are first caught and 10' sample intervals through target zones. Please note the following special condition of this permit: Non-Conventional production or production testing of coal bed methane is not allowed Well for dame of well) until after (Comp~gy Name) has designed and implemented a water well testing program to provide baseline data on water quality and quantity. S,Company Name) must contact the Commission to obtain advance approval of such water well testing ro ram. Rev: 7/132007 WELL PERMIT CHECKLIST Field 8 Pool PRUDHOE BAY, PRUDHOE OIL -640150 Wefl Name: PRUDHOE BAY UNIT H-38 Program DEV Well bore seg ^ PTD#:2081670 Company BP EXPLORATION (ALASKA) INC Initial Ciassffype DEV / PEND GeoArea 890 Unft 11650 OnlOff Shore ~ Annular Disposal ^ Administration 1 Petmitfeeattached------------------------------------- -------- NA_____ .__.____--___-____----------------_---- ---- 2 Lease numberapproRriate- - ---- ----- ----- --- ------- Yes - - - - ----- 3 tlniquewellnameandnumket-----------------__._-.__ __--_---Yes----- -------------__-:-- --- 4 WelUocatedina-definedpool------------------------------ --------Yes---- -_ _--- 5 Well located properdlstanoeftomdriliingunit_koundary________________ __-____Yes_____ __-__._______-__--_____________- -------------------------------------- 6 Weilloc~tedptoperdisianceftomotherwells._____--__.__.___- ___-_.-Yes_____ ________ 7 Sutficientacreageayailablein_drillingunit________________________ ________Yes_____ __2560acres.----____--___________---____--------_-_-. -------------- 8 Ifdeviaied,iswellboreRlat_included--------------------------- --------Yes----- ------------------------__--- --------------------------------------- 9 OpetatoroalyaffectedpartY ------ -- - --- --- --- ------- Yes- - -- ----- --- --- --- - -- -- -- - ------- --- 10 Opetatarhas_app[opriatekondinforce_____________________ ________Yes___-_ _-BlanketBond#6124193.-__-__,_______,___-_---_._-_----------______--_-__ 11 PetmiteanbeissuedwBhcutoonservationorder____________________ ________Yes----- --------------------------------------------------------------- --- Appr Date , 12 Pe[mitcanbeissuedwithoutadministtative_approval----------------- --------Yes----- ----------------,--------------------------------------------- ACS 1012312008 13 Can permit beaRRrovedbeforel5-daywait_______________________ ________Yes----- ---.---------------------------------------------------------------- 14 Weli located within area and strata authorized kylnjection O[der# (put_1O# incomments)-(FOr_ NA _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - - - _ - - _ _ _ _ - - _ _ _ _ - - - - - - - - - _ , . . _ _ _ 15 A)Iwetls-within 1!4_mi~ area of review identfied (For service well only)_ _ _ _ _ _ _ _ _ _ _ _ _ NA_ - _ - . - _ - - - - - - - _ - . _ ---------------------------------------------------------- 16 Pre-produced injector, duration of pre production less than 3 moths-(For service well only) _ - _tyA_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - _ _ _ - _ _ _ _ - - _ - - - _ _ , _ - - - - - - - - - - - - - - - _ _ _ 17 Nonconven, gas_conforms to AS31:05.03D(G.t.A),(12.A-D) - - - - - - - - - - - - - - - - NA- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Engineering 18 Conductorstring-Rrovided- - ----------- - -- -- --- ------- Yes.- --- -- --- - -- -- - ----- ---- - ----------------------- 19 Surfacecasi~gproteetsallknownUSDWS----------------------- --------NA______ _,Allaqurfersexempted,AEO1._______-___-_____---_-____.--------- _-- 20 CMTvoladequate.t9oi[culate_on_conductor&surf-esg---------------- --------Yes_--- ------------------------------------------------------------------- 21 CMT vol adequate_io tiedn lQn9 string io surf cs9 - - - - NO- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 22 CMT_willcover-all knownproduciiyehenzons_____.__________ _.___--Yes----- -------------------------------------------_-_ -- ----------------- 23 Casing designs adequate fo[C,T,B&permaf[ost------------------ --------Yes----- ---------------------------------------------------.----------------- 24 Adequate tankage_or reserve pit - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Yes _ _ _ - Rig equipped with steel pits. No_reserve pit planned._ All waste_to approved disposal well(s)_ _ - . _ _ - - _ - - _ 25 Ifare-dril~has_a10-403 for abandonment been approved------------ -------- NA------ -------------------------------------------- - ---- -- -- ---- 26 Adequate wehbore separationproposed- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -Yes Proximity analysis performed, Traveling cylinder path calculated, Gyros likely in surface hole.. - _ _ - _ _ _ _ _ _ 27 Ifdiverterrequired,doesilmeetregulatigns____________________ ________Yes---- -----------------------------------------------_----- --------------- Appr Date 28 Drilling fluid_program schematic & equip list adequate. _ Yes - - - - - _ -Maximum expected fo[mation pressure 7,0_EMW in zone.- MW_planned_ up_to 11.1 ppg fer_HRZ and 8,6_ppg in_zon TEM 1013012008 29 BOPEs,doiheymeetregulation__--__-__-.--------------- --------Yes----- -----------------.----------------------------------------- 30 t3QPE_press ratipg app[opriate; test to_(put prig in-comments)- - - - - - - - - - - - - - - - - - -Yes - _ - - --_----- _ - MASH calculated at 2307psi, 3500_psi_BOP tesiplanned, _ _ _ _ _ _ - - _ _ _ . -------------------- 31 ChokemanlfoklcoroRlieswlAPI-RP-53(May84)------------------- --------Yes----- --.----------------------------------------- ------------------------ 32 Work willoccutwithoutoperaiionshutdown---- -- ---- ------- - --------Yes-- - ---- -- ---- - - ----- -- -- -- ~ -- ---- -- 33 is presence of H2S gas prokable _ . . _ _ - .. _ - . - . - - -Yes _ _ _ _ _ _ _ H2$ is reparled_at H-pad._ Mud should preclude,H2S on ng._ Rig has sensors and_alarms-- - - - - - - - - - - - 34 Mechanical_condilionotwellswithinAQRyedfied(FOrsenricewell only)______ ________ NA_____ _-_-___-___-._.____-______-----_-__-_--,_-_----___ ------------------ Geology 35 Permit- can be issued wlo hyd[ogen sulfide measures - - - - - - - - - - - - - - - - - - - - - - - - - No_ . _ _ - _ Max level H2$ on H pad_ is 160ppm on well H-22 (7116/08. _ _ _ _ _ _ _ _ - _ _ _ , - _ ---------------- 36 Data-pressntedonR°lentialoverpressurezone------------------ --------KA----- --------------------------------------------------------------- Appr Date 37 Seismicanalysisofshaligwgas_zones--------------- -- ----- - ---- NA - --- -- ------- -- --- -- ------ ---- ACS 1012312008 ~ $eafied condition suryey.(if Off-shore) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -- -- NA-- - --- ----- -- ---- ------- --- -- - ------ --- - --- -- --- ----- 39 Contactnamelphoneforweek__ty_progres6reports_(expJoraioryorlly)--------- --------Yes---.- --TravisPetier-.564.4511,--,------------------------------------ -- -- ---- Geologic Engineering Public Commissioner: Date Date: Commission Commissioner ~~ ,~.~~~ Date ~ ~aa~-as •