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Home My WebLink About212-061Nolan Vlahovich Hilcorp Alaska, LLC Geotech 3800 Centerpoint Drive, Suite 1400 Anchorage, AK 99503 Tele: (907) 564-4558 E-mail: nolan.vlahovich@hilcorp.com Please acknowledge receipt by signing and returning one copy of this transmittal. Received By: Date: Date: 6/18/2025 To: Alaska Oil & Gas Conservation Commission Natural Resource Technician 333 W 7th Ave Suite 100 Anchorage, AK 99501 SFTP DATA TRANSMITTAL T#20250618 Well API #PTD #Log Date Log Company Log Type AOGCC E-Set# AN 07RD2 50733200120200 195113 6/1/2025 AK E-LINE LDL AN 24RD 50733202850100 207170 6/1/2025 AK E-LINE LDL BRU 221-24 50283202020000 225027 5/29/2025 AK E-LINE CBL KALOTSA 10 50133207320000 224147 5/21/2025 AK E-LINE Perf KALOTSA 2 50133206590000 216155 5/25/2025 AK E-LINE Perf PAXTON 11 50133207040000 221114 5/27/2025 AK E-LINE Perf PAXTON 11 50133207040000 221114 5/26/2025 AK E-LINE Perf PBU 06-12C 50029204560300 225022 5/17/2025 HALLIBURTON RBT-COILFLAG PBU 15-32C 50029224620300 217104 5/27/2025 HALLIBURTON RBT PBU D-01B 50029200540200 224155 5/18/2025 BAKER MRPM PBU D-01B 50029200540200 224155 5/18/2025 HALLIBURTON RBT-COILFLAG PBU H-18A 50029208800100 224011 5/14/2025 BAKER MRPM PBU H-18A 50029208800100 224011 5/14/2025 HALLIBURTON RBT-COILFLAG PBU L-109 50029230460000 201201 5/24/2025 HALLIBURTON IPROF PBU L-115 50029230350000 201140 5/19/2025 HALLIBURTON IPROF PBU L-117 50029230390000 201167 5/30/2025 HALLIBURTON IPROF PBU N-07B 50029201370200 223122 6/7/2025 HALLIBURTON RBT PBU S-100A 50029229620100 224083 5/26/2025 HALLIBURTON PPROF-LDL PBU Z-34 50029234690000 212061 5/17/2025 HALLIBURTON IPROF-LDL Please include current contact information if different from above. T40566 T40567 T40568 T40569 T40570 T40571 T40571 T40572 T40573 T40574 T40574 T40575 T40575 T40576 T40577 T40578 T40579 T40580 T40581PBU Z-34 50029234690000 212061 5/17/2025 HALLIBURTON IPROF-LDL Gavin Gluyas Digitally signed by Gavin Gluyas Date: 2025.06.18 12:03:53 -08'00' MEMORANDUM State of Alaska Alaska Oil and Gas Conservation Commission DATE:Friday, January 24, 2025 SUBJECT:Mechanical Integrity Tests TO: FROM:Guy Cook P.I. Supervisor Petroleum Inspector NON-CONFIDENTIAL Hilcorp North Slope, LLC Z-34 PRUDHOE BAY UNIT Z-34 Jim Regg InspectorSrc: Reviewed By: P.I. Suprv Comm ________ JBR 01/24/2025 Z-34 50-029-23469-00-00 212-061-0 N SPT 8487 2120610 2122 263 3210 3154 3134 0 0 0 0 OTHER P Guy Cook 11/16/2024 Bi-annual MIT-T per CO 736. 30 MinPretestInitial15 Min Well Name Type Test Notes: Interval P/F Well Permit Number: Type Inj TVD PTD Test psi API Well Number Inspector Name:PRUDHOE BAY UNIT Z-34 Inspection Date: Tubing OA Packer Depth 442 588 582 569IA 45 Min 60 Min Rel Insp Num: Insp Num:mitGDC241115181517 BBL Pumped:1.8 BBL Returned:1.8 Friday, January 24, 2025 Page 1 of 1 9 9 9 9 9 9 999 9 9 99 9 9 9 MIT-T per CO 736 James B. Regg Digitally signed by James B. Regg Date: 2025.01.24 15:05:44 -09'00' MEMORANDUM State of Alaska Alaska Oil and Gas Conservation Commission DATE:Friday, January 10, 2025 SUBJECT:Mechanical Integrity Tests TO: FROM:Austin McLeod P.I. Supervisor Petroleum Inspector NON-CONFIDENTIAL Hilcorp North Slope, LLC Z-34 PRUDHOE BAY UNIT Z-34 Jim Regg InspectorSrc: Reviewed By: P.I. Suprv Comm ________ JBR 01/10/2025 Z-34 50-029-23469-00-00 212-061-0 W SPT 8487 2120610 2122 294 344 294 292 0 4 3 4 OTHER P Austin McLeod 11/2/2024 Two year. CO 736-cemented IA. 30 MinPretestInitial15 Min Well Name Type Test Notes: Interval P/F Well Permit Number: Type Inj TVD PTD Test psi API Well Number Inspector Name:PRUDHOE BAY UNIT Z-34 Inspection Date: Tubing OA Packer Depth 281 2488 2324 2301IA 45 Min 60 Min Rel Insp Num: Insp Num:mitSAM241102184042 BBL Pumped:4 BBL Returned:2.5 Friday, January 10, 2025 Page 1 of 1 9 9 9 9 9 9 9 99 9 9 9 9 9 9 9 9 CO 736-cemented IA James B. Regg Digitally signed by James B. Regg Date: 2025.01.10 14:32:14 -09'00' Nolan Vlahovich Hilcorp Alaska, LLC Geotech 3800 Centerpoint Drive, Suite 1400 Anchorage, AK 99503 Tele: (907) 564-4558 E-mail: nolan.vlahovich@hilcorp.com Please acknowledge receipt by signing and returning one copy of this transmittal. Received By: Date: Date: 1/07/2025 To: Alaska Oil & Gas Conservation Commission Natural Resource Technician 333 W 7th Ave Suite 100 Anchorage, AK 99501 SFTP DATA TRANSMITTAL T#20240107 Well API #PTD #Log Date Log Company Log Type AOGCC Eset # END 2-72 50029237810000 224016 11/16/2024 HALLIBURTON TEMP END 2-74 50029237850000 224024 12/5/2024 HALLIBURTON MFC24 END 2-74 50029237850000 224024 8/13/2024 DarkVision HADES (Down hole camera) KGSF 1A 50133101600100 220063 12/5/2024 HALLIBURTON EPX-MFC40 MPU F-13 50029225490000 195027 12/22/2024 HALLIBURTON WFL-TMD3D PU F-40 50029222150000 191117 11/9/2024 READ CaliperSurvey MPU I-04A 50029220680100 201092 11/22/2024 HALLIBURTON COILFLAG MPU J-02 50029220710000 190096 12/22/2024 READ CaliperSurvey PBU L-04 50029233190000 206120 11/23/2024 HALLIBURTON WFL-TMD3D PBU L-221 50029233850000 208031 12/11/2024 HALLIBURTON WFL-RMT3D PBU Z-ϯϰ 50029234690000 212061 12/15/2024 HALLIBURTON WFL-RMT3D PBU Z-2ϯϱ 50029237600000 223055 9/24/2024 READ InjectionProfile PBU Z-ϮϮϯ 50029237200000 222080 11/24/2024 HALLIBURTON WFL-TMD3D SCU 42-05Y 50133205700000 207082 12/7/2024 HALLIBURTON EPX-MFC24 TBU D-16RD 50733201830100 180110 12/19/2024 READ CaliperSurvey TBU D-17RD 50733201680100 181023 12/21/2024 READ CaliperSurvey Please include current contact information if different from above. T39915 T39916 T39916 T39917 T39918 T39919 T39920 T39921 T39922 T39923 T39924 T39925 T39926 T39927 T39928 T39929 PBU Z-ϯϰ 50029234690000 212061 12/15/2024 HALLIBURTON WFL-RMT3D Gavin Gluyas Digitally signed by Gavin Gluyas Date: 2025.01.07 15:26:55 -09'00' Post Office Box 244027 Anchorage, AK 99524-4027 3800 Centerpoint Drive Suite 1400 Anchorage, AK 99503 Phone: (907) 564-4891 06/01/2023 Mr. Mel Rixse 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 6/1/2023. Dear Mr. Rixse, 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 6/1/2023. 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 Hilcorp North Slope LLC.Surface Casing by Conductor Annulus Cement, Corrosion Inhibitor Top-offReport of Sundry Operations (10-404)06/01/2023Well 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 dateL-2072210815002923702003.371.31/23/2023123/1/2023L-2312230105002923746003.003.0-393/27/2023M-111810575002920589002.602.6-105/29/2023M-311920325002922256001.501.5-165/29/2023M-331941165002922504001.301.3-145/29/2023N-171830095002920898001.201.2-115/30/2023N-18A2081755002920906010.500.5-65/30/2023N-21A1961965002921342011.001.0-85/30/2023N-272071045002923365000.500.5-45/30/2023N-292141105002923521002.302.3-245/30/2023N-31215175500292356000-0--205/30/2023V-2342220045002923707006.3210.91/23/2023243/1/2023W-2412221545002923741002.502.5-263/1/2023Z-121891025002921977000.700.7-45/23/2023Z-34212061500292346900-0--155/27/2023Z-402111735002923462000.700.7-65/27/2023Z-46A2052035002923280010.500.5-35/23/2023Z-502120015002923463000.500.5-35/27/2023Z-662121955002923482000.700.7-85/27/2023Z-116211124500292345500-0--175/27/2023Z-210204181500292322600-0--125/27/2023Z-2292221045002923726003.8361.23/5/2023363/27/2023-0--5/27/2023Z-3421206150029234690015 Kyle Wiseman Hilcorp Alaska, LLC Geotechnician 3800 Centerpoint Drive, Suite 1400 Anchorage, AK 99503 Tele: (907) 564-4558 E-mail: Kyle.Wiseman@hilcorp.com Please acknowledge receipt by signing and returning one copy of this transmittal. Received By: Date: Date: 12/19/2022 To: Alaska Oil & Gas Conservation Commission Natural Resource Technician 333 W 7th Ave Suite 100 Anchorage, AK 99501 SFTP DATA TRANSMITTAL T#20221219 Well API #PTD #Log Date Log Company Log Type AOGCC Eset# PBU Z-34 50029234690000 212061 12/5/2022 HALLIBURTON WFL-TMD3D PBU W-08A 50029219060100 202090 12/12/2022 HALLIBURTON WFL-TMD3D PBU_L-221 50029233850000 208031 12/13/2022 HALLIBURTON WFL-TMD3D BCU-14B 50133205390200 222057 12/8/2022 HALLIBURTON PPROF BRU 222-34 50283201860000 222039 12/11/2022 HALLIBURTON PPROF PBU 09-41 50029220540000 190074 11/30/2022 READ Multi-Array-Pprof Please include current contact information if different from above. By Meredith Guhl at 1:47 pm, Dec 19, 2022 T37385 T37386 T37387 T37388 T37389 T37390PBU Z-34 50029234690000 212061 12/5/2022 HALLIBURTON WFL-TMD3D Meredith Guhl Digitally signed by Meredith Guhl Date: 2022.12.19 13:56:07 -09'00' MEMORANDUM State of Alaska Alaska Oil and Gas Conservation Commission DATE:Tuesday, January 3, 2023 SUBJECT:Mechanical Integrity Tests TO: FROM:Bob Noble P.I. Supervisor Petroleum Inspector NON-CONFIDENTIAL Hilcorp North Slope, LLC Z-34 PRUDHOE BAY UNIT Z-34 Jim Regg InspectorSrc: Reviewed By: P.I. Suprv Comm ________ JBR 01/03/2023 Z-34 50-029-23469-00-00 212-061-0 G SPT 8486 2120610 2122 2420 2423 2423 2422 111 478 461 452 INITAL P Bob Noble 11/28/2022 30 MinPretest Initial 15 Min Well Name Type Test Notes: Interval P/F Well Permit Number: Type Inj TVD PTD Test psi API Well Number Inspector Name: PRUDHOE BAY UNIT Z-34 Inspection Date: Tubing OA Packer Depth 332 3249 3120 3090IA 45 Min 60 Min Rel Insp Num: Insp Num:mitRCN221128154043 BBL Pumped:6.9 BBL Returned:3.5 Tuesday, January 3, 2023 Page 1 of 1 MEMORANDUM State of Alaska Alaska Oil and Gas Conservation Commission DATE:Tuesday, January 3, 2023 SUBJECT:Mechanical Integrity Tests TO: FROM:Adam Earl P.I. Supervisor Petroleum Inspector NON-CONFIDENTIAL Hilcorp North Slope, LLC Z-34 PRUDHOE BAY UNIT Z-34 Jim Regg InspectorSrc: Reviewed By: P.I. Suprv Comm ________ JBR 01/03/2023 Z-34 50-029-23469-00-00 212-061-0 N SPT 8487 2120610 3500 806 1067 1086 1085 41 124 117 110 OTHER P Adam Earl 11/22/2022 MIT-IA as per Sundry 322-277 to 3500 psi; conversion oil to inj. 30 MinPretest Initial 15 Min Well Name Type Test Notes: Interval P/F Well Permit Number: Type Inj TVD PTD Test psi API Well Number Inspector Name: PRUDHOE BAY UNIT Z-34 Inspection Date: Tubing OA Packer Depth 628 3860 3678 3619IA 45 Min 60 Min Rel Insp Num: Insp Num:mitAGE221123205458 BBL Pumped:11.5 BBL Returned:4.5 Tuesday, January 3, 2023 Page 1 of 1 MIT-IA as per Sundry 322-277 to 3500 psi; conversion oil to inj.MIT-IA as per Sundry 322-277 to 3500 psi; conversion oil to inj.MIT-IA as per Sundry 322-277 to 3500 psi; conversion oil to inj. MEMORANDUM State of Alaska Alaska Oil and Gas Conservation Commission DATE:Tuesday, January 3, 2023 SUBJECT:Mechanical Integrity Tests TO: FROM:Adam Earl P.I. Supervisor Petroleum Inspector NON-CONFIDENTIAL Hilcorp North Slope, LLC Z-34 PRUDHOE BAY UNIT Z-34 Jim Regg InspectorSrc: Reviewed By: P.I. Suprv Comm ________ JBR 01/03/2023 Z-34 50-029-23469-00-00 212-061-0 N SPT 8487 2120610 3500 673 3842 3705 3659 40 41 42 42 OTHER P Adam Earl 11/22/2022 MIT-T as per Sundry 322-277 to 3500 psi; conversion oil to inj. 30 MinPretest Initial 15 Min Well Name Type Test Notes: Interval P/F Well Permit Number: Type Inj TVD PTD Test psi API Well Number Inspector Name: PRUDHOE BAY UNIT Z-34 Inspection Date: Tubing OA Packer Depth 628 638 640 639IA 45 Min 60 Min Rel Insp Num: Insp Num:mitAGE221123204925 BBL Pumped:1.9 BBL Returned:2.3 Tuesday, January 3, 2023 Page 1 of 1 MIT-T as per Sundry 322-277 to 3500 psi; conversion oil to inj.MIT-T as per Sundry 322-277 to 3500 psi; conversion oil to inj.MIT-T as per Sundry 322-277 to 3500 psi; conversion oil to inj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y Samantha Carlisle at 3:10 pm, May 05, 2022 0,77WRSVL0,7,$WRSVL$2*&&WRZLWQHVV ; '65'/%0*50$< $'/ '/% GWV -/& Jeremy Price Digitally signed by Jeremy Price Date: 2022.05.23 16:36:47 -08'00' RBDMS SJC 052522 &RQYHUWWR,YLVKDN,QMHFWRU :HOO = 37' $3, tĞůůEĂŵĞ͗Ͳϯϰ W/EƵŵďĞƌ͗ϱϬͲϬϮϵͲϮϯϰϲϵ ƵƌƌĞŶƚ^ƚĂƚƵƐ͗KƉĞƌĂďůĞ WƌŽĚƵĐĞƌ ZŝŐ͗Žŝů͕ ^ůŝĐŬůŝŶĞ͕ůŝŶĞ ƐƚŝŵĂƚĞĚ^ƚĂƌƚĂƚĞ͗:ƵŶĞϮϬϮϭ ƐƚŝŵĂƚĞĚƵƌĂƚŝŽŶ͗ϭĚĂǇ ZĞŐ͘ƉƉƌŽǀĂůZĞƋ͛Ě͍zĞƐ ĂƚĞZĞŐ͘ƉƉƌŽǀĂůZĞĐ͛ǀĚ͗d ZĞŐƵůĂƚŽƌǇŽŶƚĂĐƚ͗ďďŝĞĂƌŬĞƌ WĞƌŵŝƚ ƚŽ ƌŝůůEƵŵďĞƌ͗ϮϭϮͲϬϲϭ &ŝƌƐƚĂůůŶŐŝŶĞĞƌ͗ĂǀŝĚ ͞ƌŽĚŝĞ͟ tĂŐĞƐ ϳϭϯ͘ϯϴϬ͘ϵϴϯϲ ;DͿ ^ĞĐŽŶĚĂůůŶŐŝŶĞĞƌ͗ƌĂƐtŽƌƚŚŝŶŐƚŽŶ ƵƌƌĞŶƚŽƚƚŽŵ,ŽůĞWƌĞƐƐƵƌĞ͗ϯϭϱϯ ƉƐŝΛ ϴϲϬϬ͛ds DĂǆŝŵƵŵǆƉĞĐƚĞĚ,W͗ϯϬϬϬ ƉƐŝΛ ϲϳϬϬ͛ ds DĂǆ͘ŶƚŝĐŝƉĂƚĞĚ^ƵƌĨĂĐĞWƌĞƐƐƵƌĞ͗ϮϮϵϯ ƉƐŝ 'ĂƐŽůƵŵŶ'ƌĂĚŝĞŶƚ;Ϭ͘ϭƉƐŝͬĨƚͿ :ŽďKďũĞĐƚŝǀĞ /ƐŽůĂƚĞ <ƵƉĂƌƵŬdĞƐƚWĞƌĨƐ͕ ŽŶǀĞƌƚƚŽ/ǀŝƐŚĂŬ ŝŶũĞĐƚŽƌ ƌŝĞĨtĞůů ^ƵŵŵĂƌǇ ͲϯϰǁĂƐĚƌŝůůĞĚŝŶϮϬϭϮƚŽďĞĂŶŝŶũĞĐƚŽƌ ƉƌŝŵĂƌŝůǇ ƐƵƉƉŽƌƚŝŶŐͲϳϭĂŶĚͲϰϬ͘ǁŚĞŶƚŚĞǁĞůůǁĂƐƉŽƉƉĞĚ͕ ŝƚ ĐĂŵĞŽŶĂƚ ϭϱϬϬďŽƉĚĂŶĚŚĂƐďĞĞŶůĞĨƚĂƐĂƉƌŽĚƵĐĞƌĞǀĞƌƐŝŶĐ Ğ͘ dŚĞǁĞůůǁĂƐĐŽŵƉůĞƚĞĚǁŝƚŚĂϰ͘ϱ͟ ůŝŶĞƌǁŚŝĐŚŝŶĐůƵĚĞĚƐŝǆƐǁĞůůƉĂĐŬĞƌƐ͕ĂŶĚƚŚĞŶĂůƐŽĐĞŵĞŶƚĞĚŝŶƉůĂĐĞ͘dŚĞƐǁĞůůƉĂĐŬĞƌƐǁĞƌĞƐĞƚĂƐ ĨĂƵůƚŝƐŽůĂƚŝŽŶĂƐƐƵƌĂŶĐĞŝŶĐĂƐĞŽĨĂŶŝŶĂĚĞƋƵĂƚĞĐĞŵĞŶƚũŽď͘ /ƚǁĂƐƉůĂŶŶĞĚƚŽƐƵƉƉŽƌƚĞǆŝƐƚŝŶŐ ƉƌŽĚƵĐĞƌƐĂƚƚŚĞƚŝŵĞͲϬϯ͕Ͳϭϲ͕Ͳϭϳ͕ĂŶĚͲϯϵ͕ĂƐǁĞůůĂƐĂŶŽƚŚĞƌͲWĂĚǆƉĂŶƐŝŽŶƉƌŽĚƵĐĞƌ͕ ͲϰϬ͘ dŚĞƉůĂŶǁĂƐƚŽĐŽŶǀĞƌƚŝƚƚŽĂŶŝŶũĞĐƚŽƌĂĨƚĞƌĂďŽƵƚϮǇĞĂƌƐŽĨƉƌŽĚƵĐƚŝŽŶ͘ tŚŝůĞĚƌŝůůŝŶŐƚŚĞǁĞůů͕Ă ϭϰϬ͛ >KǁĂƐĨŽƵŶĚ;ƉƌĞͲĚƌŝůůĞƐƚŝŵĂƚĞǁĂƐΕϭϬϬ͛>KͿ͘ /ƚ ŚĂƐďĞĞŶ ĂŐŽŽĚƉƌŽĚƵĐĞƌƐŽƚŚĂƚƉůĂŶǁĂƐ ĚĞůĂǇĞĚ͕ĂŶĚŝƚŝƐƐƚŝůůŽŶůŝŶĞĂƐĂƉƌŽĚƵĐĞƌƚŽĚĂǇ͘tĞƚŚŝŶŬŝƚŝƐŶŽǁƚŝŵĞƚŽĐŽŶǀĞƌƚŝƚƚŽĂt' ŝŶũĞĐƚŽƌ͕ ƚŽƐƵƉƉŽƌƚƚŚĞǁĞůůƐƚŚĂƚƐƵƌƌŽƵŶĚŝƚ ĂŶĚ ƚŽ ƌĞĂůŝǌĞƚŚĞďĞŶĞĨŝƚƐŽĨD/ŝŶũĞĐƚŝŽŶ͘dŚĞĐƵƌƌĞŶƚ ŽƉĞƌĂďůĞ ƉƌŽĚƵĐĞƌƐƚŚĂƚƚŚĞͲϯϰŝĐŽŶǀĞƌƐŝŽŶƉƌŽũĞĐƚǁŝůůƐƵƉƉŽƌƚŝŶĐůƵĚĞͲϬϯ͕ͲϰϬ͕ Ͳϳϭ͕ǁŝƚŚƉŽƚĞŶƚŝĂůƵƉƐŝĚĞ ŝŶ ĂůƐŽ ƐƵƉƉŽƌƚŝŶŐͲϯϵ ;ĨƌŽŵͲϯϰŚĞĞůƉĞƌĨƐͿ͕Ͳϭϲ ĂŶĚ Ͳϭϳ ;ŵĂƉĂƚƚĂĐŚĞĚͿ͘ <ƵƉĂƌƵŬdĞƐƚ ,ŝƐƚŽƌǇ͗ ϰͬϲͬϮϭ͗^>ĚƵŵŵǇ '>sƐ͕ƐĞƚĨůŽǁƐůĞĞǀĞŝŶ^ƚηϭ ϰͬϯϬͬϮϭ͗ůŝŶĞƐĞƚWΛ ϵϴϰϵ͕͛ũƵƐƚďĞůŽǁ^ƚηϭ ϱͬϴͬϮϭ͗ůŝŶĞƐĞƚĐĞŵĞŶƚƌĞƚĂŝŶĞƌΛ ϵϴϮϴ͕͛ũƵƐƚĂďŽǀĞ ^ƚηϭ ϱͬϭϲͬϮϭ͗&ƵůůďŽƌĞƉƵŵƉ/ĐĞŵĞŶƚũŽďĚŽǁŶƚƵďŝŶŐ͕ ƚŚƌŽƵŐŚ^ƚηϭ͕ƵƉ/ ϲϵďďůƐĐĞŵĞŶƚ нϱďďůƐŽǀĞƌĚŝƐƉůĂĐĞŵĞŶƚ ϱͬϭϳͬϮϭ͗K'D/dͲdƚŽϭϴϲϰƉƐŝ͕D/dͲdǆ/ƚŽϭϳϬϬƉƐŝƉĂƐƐĞĚ ϱͬϮϭͬϮϭ͗^ůŝĐŬůŝŶĞŝŶƐƚĂůů>'>sƐ ϱͬϮϴͬϮϭ͗ůŝŶĞƉĞƌĨŽƌĂƚĞ<ƵƉĂƌƵŬ WKWǁĞůů͕ƵŶĂďůĞƚŽŐĞƚĂŶǇĨůŽǁ ϵͬϮϲͬϮϭ͗ŽŝůEϮůŝĨƚ͕ƵŶƐƵĐĐĞƐƐĨƵůĂƚŐĞƚƚŝŶŐƌĞƐĞƌǀŽŝƌƌĞƚƵƌŶƐ͕ŚŽƚĚŝĞƐĞů͛ĚƉĞƌĨƐ͕ůŽƐƚĨƵůůƌĞƚƵƌŶƐ͕ƚƌŝĞĚ ĂŐĂŝŶƚŽEϮůŝĨƚƵŶƐƵĐĐĞƐƐĨƵůůǇ͘ ŽŶǀĞƌƐŝŽŶƚŽŝŶũĞĐƚŝŽŶƉƌŽŐƌĂŵ͗ Žŝů͗ ϭ͘ D/Zh͕WdƚŽϯϬϬϬƉƐŝ Ϯ͘ DhŵŽƚŽƌĂŶĚŵŝůůƚŽŵŝůůƵƉƌĞƚĂŝŶĞƌ͕ĐĞŵĞŶƚĂŶĚ/WŽǀĞƌ^dηϭ &RQYHUWWR,YLVKDN,QMHFWRU :HOO = 37' $3, ϯ͘ DŝůůƌĞƚĂŝŶĞƌ͕ĐĞŵĞŶƚĂŶĚ/WĂƚ^ƚηϭ͕ƉƵƐŚƚŽd ^ůŝĐŬůŝŶĞ͗ ϭ͘ ƵŵŵǇ'>sƐ Ϯ͘ /ŶƐƚĂůůŶŝƉƉůĞƌĞĚƵĐĞƌŝŶyŶŝƉƉůĞΛ ϭϬ͕Ϭϭϭ͛ ůŝŶĞ͗ ϭ͘ ^ĞƚƉĂƚĐŚŽǀĞƌ <ƵƉĂƌƵŬWĞƌĨŽƌĂƚŝŽŶŝŶƚĞƌǀĂů Ă͘ ϳϳϳϯ͛ ʹ ϳϴϲϬ͛ с ϴϳ͛ ŽĨƉĞƌĨƐ ď͘ /Ĩ ͲůŝŶĞƐĞƚƐƚŚĞĂŶĐŚŽƌ͕K<ĨŽƌƐůŝĐŬůŝŶĞƚŽƐĞƚƉĂƚĐŚďŽĚǇĂŶĚƵƉƉĞƌƉĂĐŬĞƌ ^ůŝĐŬůŝŶĞ͗ Ϯ͘ /ŶƐƚĂůůWůƵŐŝŶ ŶŝƉƉůĞƌĞĚƵĐĞƌ ϯ͘ D/dͲdƚŽϯϱϬϬƉƐŝ Ă͘ ^ƚĂƚĞǁŝƚŶĞƐƐĞĚ ϰ͘ D/dͲ/ƚŽϯϱϬϬƉƐŝ Ă͘ ^ƚĂƚĞǁŝƚŶĞƐƐĞĚ EKd͗DĂǆ D/ŚĞĂĚĞƌƉƌĞƐƐƵƌĞƐĞĞŶŽŶƉĂĚŝŶƉĂƐƚǇĞĂƌŚĂƐďĞĞŶϯϮϬϬƉƐŝ ϱ͘ WƵůů ƉůƵŐŝŶ ŶŝƉƉůĞƌĞĚƵĐĞƌ WK/ǁŝƚŚD/ĂƚƚĂƌŐĞƚϴDD^& &RQYHUWWR,YLVKDN,QMHFWRU :HOO = 37' $3, $5($2)5(9,(:óPLOH UDGLXVIURP,YLVKDNSHQHWUDWLRQLQWKHKHHOWRWKHWRHRIWKHZHOO &RQYHUWWR,YLVKDN,QMHFWRU:HOO =37' $3, &RQYHUWWR,YLVKDN,QMHFWRU :HOO = 37' $3, ƵƌƌĞŶƚt͗ &RQYHUWWR,YLVKDN,QMHFWRU :HOO = 37' $3, &ŝŶĂů t͗ +LOFRUS 1RUWK6ORSH//&+LOFRUS 1RUWK6ORSH//&Changes to Approved Work Over Sundry Procedure'DWH 0D\6XEMHFW &KDQJHVWR$SSURYHG 6XQGU\3URFHGXUHIRU :HOO =6XQGU\ $Q\PRGLILFDWLRQVWR DQ DSSURYHGVXQGU\ ZLOOEHGRFXPHQWHGDQGDSSURYHGEHORZ &KDQJHVWRDQDSSURYHG VXQGU\ ZLOOEHFRPPXQLFDWHGWRWKH$2*&& E\WKH ZRUNRYHU:2³ILUVWFDOO´HQJLQHHU $2*&&ZULWWHQDSSURYDORIWKHFKDQJHLVUHTXLUHGEHIRUHLPSOHPHQWLQJWKHFKDQJH6WHS3DJH'DWH 3URFHGXUH&KDQJH+163UHSDUHG%\,QLWLDOV+16$SSURYHG%\,QLWLDOV$2*&&:ULWWHQ$SSURYDO5HFHLYHG3HUVRQDQG'DWH$SSURYDO$VVHW7HDP2SHUDWLRQV0DQDJHU 'DWH3UHSDUHG)LUVW&DOO 2SHUDWLRQV (QJLQHHU 'DWH CAUTION: This email originated from outside the State of Alaska mail system. Do not click links or open attachments unless you recognize the sender and know the content is safe. From:Wallace, Chris D (OGC) To:AOGCC Records (CED sponsored) Subject:FW: OPERABLE: Z-34 (PTD #2120610) Injector Conversion Date:Monday, November 28, 2022 12:06:45 PM Attachments:Sundry_322-277_052322.pdf From: PB Wells Integrity <PBWellsIntegrity@hilcorp.com> Sent: Thursday, November 24, 2022 10:03 AM To: Wallace, Chris D (OGC) <chris.wallace@alaska.gov> Cc: Regg, James B (OGC) <jim.regg@alaska.gov>; Oliver Sternicki <Oliver.Sternicki@hilcorp.com>; PB Wells Integrity <PBWellsIntegrity@hilcorp.com> Subject: OPERABLE: Z-34 (PTD #2120610) Injector Conversion Mr. Wallace, WAG Injector Z-34 (PTD #2120610) has been converted to an Injector under approved Sundry #322- 277. An AOGCC witnessed MIT-T and MIT-IA passed on 11/22/22. The well is now classified as OPERABLE. An online AOGCC witnessed MIT-IA followed by a water flow log will be performed when the well is on stable injection. Please respond with any questions. Andy Ogg Hilcorp Alaska LLC Field Well Integrity andrew.ogg@hilcorp.com P: (907) 659-5102 M: (307)399-3816 The information contained in this email message is confidential and may be legally privileged and is intended only for the use of theindividual or entity named above. If you are not an intended recipient or if you have received this message in error, you are hereby notified that any dissemination, distribution, or copy of this email is strictly prohibited. If you have received this email in error, please immediately notify us by return email or telephone if the sender's phone number is listed above, then promptly and permanently delete this message. While all reasonable care has been taken to avoid the transmission of viruses, it is the responsibility of the recipient to ensure that the onward transmission, opening, or use of this message and any attachments will not adversely affect its systems or data. No responsibility is accepted by the company in this regard and the recipient should carry out such virus and other checks as it considers appropriate. 7. Property Designation (Lease Number): 1. Operations Performed: 2. Operator Name: 3. Address: 4. Well Class Before Work:5. Permit to Drill Number: 6. API Number: 8. Well Name and Number: 9. Logs (List logs and submit electronic data per 20AAC25.071): 10. Field/Pool(s): Susp Well Insp Install Whipstock Mod Artificial Lift Perforate New Pool Perforate Plug Perforations Coiled Tubing Ops Other Stimulate Fracture Stimulate Alter Casing Pull Tubing Repair Well Other: Change Approved Program Operations shutdown 11. Present Well Condition Summary: Casing Length Size MD TVD Burst Collapse Exploratory Stratigraphic Development Service 14. Attachments (required per 20 AAC 25.070, 25.071, & 25.283) 16. Well Status after work: 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. OIL GAS WINJ WAG GINJ WDSPL GSTOR Suspended SPLUG Authorized Name and Digital Signature with Date: Authorized Title: Contact Name: Contact Email: Contact Phone: Convert to Injector, Patch tubing Conductor Surface Intermediate Production Liner 520 3090 5410 7500 Structural Total Depth Effective Depth measured true vertical feet feet feet feet measured true vertical measured measured feet feet feet feet measured true vertical Plugs Junk Packer Measured depth True Vertical depth feet feet Perforation depth Tubing (size, grade, measured and true vertical depth) Packers and SSSV (type, measured and true vertical depth) 12. Stimulation or cement squeeze summary: Intervals treated (measured): Treatment descriptions including volumes used and final pressure: 13a.Representative Daily Average Production or Injection Data Oil -Bbl Gas-Mcf Water -Bbl Casing Pressure Tubing Pressure Prior to well operation: Subsequent to operation: 15. Well Class after work: Exploratory Development Service StratigraphicDaily Report of Well Operations Copies of Logs and Surveys Run Electronic Fracture Stimulation Data Sundry Number or N/A if C.O. Exempt: 13b. Pools active after work: Sr Pet Eng:Sr Pet Geo: Form 10-404 Revised 10/2022 Submit in PDF format to aogcc.permitting@alaska.gov Sr Res Eng: Due Within 30 days of Operations RBDMS JSB 120822 DSR-12/1/22WCB 11-29-2024 Passing 3500 psi MIT-T and MIT-IA required as COA on Sundry 322-277. -WCB Operator Name:2. Development Exploratory Service 5 Permit to Drill Number:212-061 6.50-029-23469-00-00 PRUDHOE BAY, BOREALIS OIL Hilcorp North Slope, LLC 5. Well Name and Number:8. 10.Field/Pools: Well Class Before Work4. Present Well Condition Summary:11. Total Depth: measured feet feet Plugs measured feet feet Effective Depth: measured feet feet Packer measured feet feettrue vertical true vertical 13780 9828 8424 9900 11923 9828, 9849 8487 Casing: Length: Size: MD: TVD: Burst: Collapse: Structural Conductor 80 20" 41 - 121 41 - 121 1530 520 Surface 3140 9-5/8" 40 - 3180 40 - 3142 5750 3090 Intermediate 10138 7" 38 - 10176 38 - 8725 7240 5410 Production Perforation Depth: Measured depth: 7773 - 12710 feet True vertical depth:6747 - 8978 feet Tubing (size, grade, measured and true vertical depth)4-1/2" 12.6# 13Cr80 36 - 10024 36 - 8592 9900 8487Packers and SSSV (type, measured and true vertical depth) 4-1/2" HES TNT Perm Packer Liner 3759 4-1/2" 10019 - 13778 8588 - 8865 8430 7500 12. Stimulation or cement squeeze summary: Intervals treated (measured): Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure 28713271111267 3150 1556 100 2179 262 Representative Daily Average Production or Injection Data Prior to well operation: Subsequent to operation: 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. Contact Name: Contact Email: Aras Worthington Aras.Worthington@hilcorp.com Authorized Name:Stan Golis Authorized Title: Authorized Signature with Date:Contact Phone:907.564.4763 Treatment descriptions including volumes used and final pressure: 13. Sr. Area Operations Manager Operations Performed1. Abandon Plug Perforations 5 Fracture Stimulate Pull Tubing GSTOR WINJ WAG GINJ SUSP SPLUG 16. Well Status after work:Oil 5 Gas Exploratory Development 5 Stratigraphic 15. Well Class after work: Service WDSPL 14. Attachments: (required per 20 AAC 25.070.25.071, & 25.283) Daily Report of Well Operations Copies of Logs and Surveys Run true vertical measured8864 Sundry Number or N/A if C.O. Exempt: 321-106 No SSSV Installed Junk Packer Printed and Electronic Fracture Stimulation Data 5 IA Cement Operations shutdown Change Approved Program 5 Senior Pet Engineer:Senior Res. Engineer: STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION REPORT OF SUNDRY WELL OPERATIONS Suspend 5Perforate Other Stimulate Alter Casing Plug for Redrill 5Perforate New Pool Repair Well Re-enter Susp Well 3.Address: 3800 Centerpoint Dr, Suite 1400, Anchorage, AK 99503 7.Property Designation (Lease Number):ADL 0047453 PBU Z-34 9. Logs (List logs and submit electronic and printed data per 20AAC25.071): Stratigraphic Other: API Number: Form 10-404 Revised 03/2020 Submit Within 30 days of Operations 5832' - 9900' in the IA Pump 69-bbls 15.8-ppg Class 'G' cement. Final pressure = 1900-psi By Samantha Carlisle at 2:59 pm, Jun 21, 2021 Digitally signed by Stan Golis (880) DN: cn=Stan Golis (880), ou=Users Date: 2021.06.21 12:28:08 -08'00' Stan Golis (880) MGR26JUL2021 RBDMS HEW 6/24/2021 SFD 6/21/2021 DSR-6/21/21 SFD 6/21/2021 , ADL 028262 ACTIVITY DATE SUMMARY 4/5/2021 ***WELL FLOWING ON ARRIVAL*** SET WCS @ 10011' MD PULLED STA # 1 BK-OGLV AND STA# 2, STA #4 ,STA#5 , STA# 6 - BK-LGLV ***JOB CONTINUED ON 4/6/21*** 4/5/2021 FL=280 Temp=SI Pumped 3 bbls 60/40 down Flowline for freeze protect FL=1500 4/6/2021 ***JOB CONTINUED ROM 4/5/21*** SET 1' BK-DGLV IN STA# 6,5,4,2 SET 1"BKP-FLOW THROUGH SLEEVE IN STA #1 PULLED WHIDDON CATCHER ***WELL S/I ON DEPARTURE*** 4/30/2021 ***WELL S/I ON ARRIVAL*** SET NORTHERN SOLUTIONS 3.57" COMPOSITE BRIDGE PLUG AT 9849'. SET IN 14' PUP BELOW GLM#1. CORRELATE TO TBG TALLY 9/14/2012. LRS PERFORMED T x IA CIRC-OUT PUMPING DOWN TBG TAKING IA RETURNS. DUE TO LOW CIRCULATION RATES THRU STA#1 FLOW SLV, DECISION MADE TO RIG DOWN AND HAVE SL PULL THE FLOW SLV PRIOR TO SETTING THE CMT RETAINER. RIG DOWN ELINE. ***JOB INCOMPLETE / WILL RETURN AFTER SLICKLINE*** 4/30/2021 T/I/O=2000/1730/0 Temp= 60* (Cement Squeeze:OA/IA DWNSQZ) Circ Out Well. Pumped 550 bbls 100* crude down TBG and up IA taking returns down Z-40 flowline. At 85 bbls pumped TBG hit max pressure of 2500 psi. Reduced rates to match 2500 psi, 143 bbls pumped IA came up to 1165 psi then slowly fell off to 240 psi. TBG pressure remained at 2500 psi through the rest of pumping. Maintained between 1.6 bpm to 2.4 bpm at 2500 psi. Shut in IA return line and pressured up T/IA to 1500 psi with .5 bbls crude. Monitored for 5 min. T/IA gained 90/100 psi in 5 min. Bled all hardline to 0 psi. Tags hung.Pad-op notified. IA OA= OTG. Final Whp's= 230/238/vac 5/1/2021 ***WELL S/I ON ARRIVAL*** SET 4 1/2" KEYLESS X CATCHER ON CBP @ 9,849' MD PULLED FLOWSLEEVE FROM ST# 1 @ 9,836' MD PULLED CATCHER FROM 9,849' MD ***WELL LEFT S/I ON DEPARTURE, PAD OP NOTIFIED OF STATUS*** 5/2/2021 T/I/O=1730/1820/0 SI Perform Injectivity Test TxIA (CEMENT SQUEEZE OA/IA DWNSQZ) Pumped 1.5 bbls crude down TBG for 5 min 2000 psi PT on TxIA, lost 20/s0 psi in 5 mins. Pumped 50 bbls crude down TBG taking returns up IA to Z-40 FL. Established rate of 5 bpm @ 800 psi for 5 mins. WSL/Pad Op notified Tag hung on MV Valve positions=SV WV SSV closed MV open CVs OTG Hardline SI FWHP=230/230/0 5/8/2021 ***WELL S/I ON ARRIVAL*** SET NORTHERN SOLUTIONS 3.59" CEMENT RETAINER AT 9828'. SET IN 14' PUP ABOVE GLM#1. CORRELATE TO TBG TALLY 9/14/2012 ***JOB COMPLETE, WELL LEFT S/I ON DEPARTURE, DSO NOTIFIED*** Daily Report of Well Operations PBU Z-34 Daily Report of Well Operations PBU Z-34 5/16/2021 HES cement IA in prep for Kuparuk producer conversion MIRU. PT to 4500psi. Pump 50bbls of diesel into tubing to verify flowpath through retainer and up IA. Verify 1:1 return rate in OTT. Pump 10bbls surfactant wash, 2bbl FW, 69bbl 15.8 class G cement and 5bbl FW taking returns from the IA to OTT. Drop a 1.75" phenolic ball sandwiched between two foam balls (6" and 7"). Displace cement to open pocket at 9836' with diesel.Take returns to 100bbl trip tank when cement entered open pocket. Pumped 69bbls of cement + 5bbls over displacement in attempt to get ball to seat as per program (Total of 74bbl). Trip tank=74bbl returned (1:1 return rate). Ball never did seat/did not experience pressure increase. Shut down with1850 psi on tubing. Attempt to bleed no more than 1/2 bbl back from tubing and pressure did not fall below 1500psi. Bump tubing pressure back up to final pressure of ~1900psi. RDMO. Estimated WTOC in IA=~5949'. 22hrs to gain 2400psi compressive strength. ***Complete*** 5/16/2021 T/I/O= SSV/1700/0. LRS unit 72 Assist Cement Job (CEMENT SQUEEZE (OA/IA DWNSQZ). Pumped 50 bbls of 90* F diesel into the TBG to establish circulation with IA returns to OTT. HES pumped cement. Dropped the balls and displaced the TBG with 149 bbls of 90* F diesel while taking IA returns to OTT. Final T/I/O= 1900/380/0. 5/16/2021 LRS unit 72 Assist Cement Job (CEMENT SQUEEZE) Heat diesel tanker to 90* F. 5/18/2021 ***COST PLACEHOLDER**** for KOT parts from Hunting 5/18/2021 AOGCC MIT-T (CEMENT SQUEEZE (OA/IA DWNSQZ0) AOGCC MIT-T to 1864 psi ***PASS*** AOGCC CMIT-TxIA to 1942 psi ***PASS*** Pumped 1.7 bbls DSL down Tbg to take pressure to 1995 psi. Tbg lost 108 psi in 1st 15 mins and 23 psi in 2nd 15 mins for a total loss of 131 psi in 30 min test. ***PASS*** Bled back to 70 psi and got back ~1.7 bbls. Pumped 2.9 bbls DSL down Tbg/IA to take pressure to 2014/2012 psi. Tbg/IA lost 42/51 psi in 1st 15 mins and 15/19 psi in 2nd 15 mins for a total loss of 57/70 psi in 30 min test. ***PASS*** Bled back to 45/45 psi and got back ~2.9 bbls. Test Witnessed by State Rep Earl and WSS Conrad **Tags hung on Tbg and IA 5/18/2021 T/I/O= 1760/1675/0. LRS unit 72 MIT (CEMENT SQUEEZE (OA/IA DWNSQZ)). Bled the IA and AGL to 0 psi. MIT-T to 1700 psi *PASSED* at 1985 psi (2000 psi max applied). TBG lost 13 psi during the first 15 minutes and 8 psi during the second 15 minutes. Pumped 0.2 bbls of 46* F diesel to achieve test pressure. Bled back 1.9 bbls to final T/I/O= 0/0/0. CMIT-TxIA to 1700 psi *PASSED* at 1951 psi (2000 psi max applied). T/IA lost 40/40 psi during the first 15 minutes. T/IA lost 15 psi during the second 15 minutes. Pumped 3.8 bbls of 46* F diesel to achieve test pressure. Bled back 3.8 bbls to Final T/I/O= 0/0/0. Daily Report of Well Operations PBU Z-34 5/18/2021 T/I/O= 1760/1675/0. LRS unit 72 MIT (CEMENT SQUEEZE (OA/IA DWNSQZ)). Bled the IA and AGL to 0 psi. MIT-T to 1700 psi *PASSED* at 1985 psi (2000 psi max applied). TBG lost 13 psi during the first 15 minutes and 8 psi during the second 15 minutes. Pumped 0.2 bbls of 46* F diesel to achieve test pressure. Bled back 1.9 bbls to final T/I/O= 0/0/0. CMIT-TxIA to 1700 psi *PASSED* at 1951 psi (2000 psi max applied). T/IA lost 40/40 psi during the first 15 minutes. T/IA lost 15 psi during the second 15 minutes. Pumped 3.8 bbls of 46* F diesel to achieve test pressure. Bled back 3.8 bbls to Final T/I/O= 0/0/0. 5/20/2021 ***WELL S/I ON ARRIVAL***(cement squeeze) RAN 35' x 3 3/8" DUMMY GUNS (3.67" max od rings), 2.50" SAMPLE BAILER TO 9,656' SLM (hard, wiper ball) ***CONT WSR ON 5/21/21*** 5/21/2021 ***CONT WSR FROM 5/20/21*** (cement squeeze oa/ia dwn sqz) RAN SLB SCMT AS PER PROGRAM.(good data) SET 4-1/2" SLIP-STOP CATCHER SUB @ 6001' SLM. PULLED BK-DGLV FROM ST#5 @ 5923' MD. PULLED BK-DGLV FROM ST#6 @ 3315' MD. SET BK-LGLV(16/64",1500#) IN ST#6 @ 3315' MD. SET BK-OGLV(20/64") IN ST#5 @ 5923' MD. PULLED EMPTY 4 1/2" SS CATCHER FROM 6,001' SLM ***WELL LEFT S/I UPON DEPARTURE, PAD OP NOTIFIED OF WELL STATUS*** 5/28/2021 ***WELL S/I ON ARRIVAL*** ( Job Scope: Adperf) PERFORATE 7816.4'-7860' USING 3.125", 60 DEGREE PHASING, 6 SPF HSC LOADED W/ 23GR 230 MAXFORCE CHARGES. CCL TO TOP SHOT OFFSET: 8'. CCL STOP DEPTH: 7808.4'. PRE-PERF T/IA/OA: 1200/500/0; POST PERF T/IA/OA: 1100/500/0. PERFORATE 7773'-7816.6 USING 3.125", 60 DEGREE PHASING, 6 SPF HSC LOADED W/ 23GR 230 MAXFORCE CHARGES. CCL TO TOP SHOT OFFSET: 8'. CCL STOP DEPTH: 7765'. PRE-PERF T/IA/OA: 1050/450/0; POST PERF T/IA/OA: 900/450/0 PERF INTERVAL was 7773' - 7860'. ***JOB COMPLETE / TURN OVER TO PAD-OP TO POP*** Hilcorp Alaska, LLCHilcorp Alaska, LLCChanges to Approved Sundry ProcedureSubject: Changes to Approved Sundry Procedure for Well Z-34 (PTD 212-061)Sundry #:321-106Any modifications to an approved sundry will be documented and approved below. Changes to an approved sundry will be communicated to the AOGCCby the rig workover (RWO) “first call” engineer.AOGCC written approval of the change is required before implementing the change. SecPageDateProcedure ChangeNew 403 Required?Y / NHAKPreparedBy(Initials)HAKApprovedBy(Initials)AOGCC Written Approval Received (Person and Date)N/AN/A03/16/2021Revised to leave Retainer, CBP, & Cement in place and do witnessed MITs against thisplug. NAJWAJWMel Rixse 03/16/2021Approval: Stan GolisAsset Team Operations Manager DatePrepared: Aras WorthingtonFirst Call Operations Engineer DateDigitally signed by ArasWorthington (4643)DN: cn=Aras Worthington (4643),ou=UsersDate: 2021.06.17 15:06:51 -08'00'ArasWorthington(4643)Digitally signed by Stan Golis(880)DN: cn=Stan Golis (880),ou=UsersDate: 2021.06.21 07:08:07 -08'00'Stan Golis(880) David Douglas Hilcorp Alaska, LLC Sr. Geotechnician 3800 Centerpoint Drive, Suite 1400 Anchorage, AK 99503 Tele: (907) 777-8337 E-mail: david.douglas@hilcorp.com Please acknowledge receipt by signing and returning one copy of this transmittal or FAX to 907 777.8510 Received By: Date: Hilcorp North Slope, LLC Date: 06/14/2021 To: Alaska Oil & Gas Conservation Commission Natural Resource Technician 333 W 7th Ave Suite 100 Anchorage, AK 99501 SFTP DATA TRANSMITTAL: FTP Folder Contents: Log Print Files and LAS Data Files: Well API PTD # Log Date Log Type Log Vendor 09-05B 500292021502 219001 5/7/2021 SCMT SCHLUMBERGER 13-19 500292069000 181180 5/4/2021 SCMT SCHLUMBERGER C-29B 500292147202 214049 1/26/2021 SCMT SCHLUMBERGER E-17A 500292047001 204204 4/28/2021 SCMT SCHLUMBERGER E-34A 500292243701 214096 5/3/2021 SCMT SCHLUMBERGER L-106 500292305500 201223 6/5/2021 PPROF SCHLUMBERGER V-109 500292312000 202202 6/11/2021 PPROF SCHLUMBERGER Z-34 500292346900 212061 5/22/2021 SCMT SCHLUMBERGER Z-35 500292288400 198093 5/23/2021 SCMT SCHLUMBERGER Please include current contact information if different from above. 06/14/2021 Received By: 37' (6HW By Abby Bell at 3:24 pm, Jun 14, 2021 MEMORANDUM TO: Jim Regg 'tel P.I. Supervisor "gfc zgzq ?�� FROM: Adam Earl Petroleum Inspector NON -CONFIDENTIAL State of Alaska Alaska Oil and Gas Conservation Commission DATE: Wednesday, May 19, 2021 SUBJECT: Mechanical Integrity Tests Hilcorp North Slope, LLC Z-34 PRUDHOE BAY UNIT Z-34 Sre: Inspector Reviewed By: P.I. Supry1792 Comm Well Name PRUDHOE BAY UNIT Z-34 API Well Number 50-029-23469-00-00 Inspector Name: Adam Earl Permit Number: 212-061-0 Inspection Date: 5/18/2021 IUsp Num: mitAGE210518195003 Rel Insp Num: Packer Depth Pretest Initial 15 Min 30 Min 45 Min 60 Min Well Z-34 Type Inj N- TVD Tubing 20 99s 887 -- PTD 2120610 Type Test SPT est psi 1700 IA 26 89 38 37 BBL Pumped: 1.7 - ;BBL Returned: 1.7 OA_ 0 0 0 _0 Interval OTHER I IP/F P Notes: Tested as per Sundry 321-105 MIT-TTagaainn'stt CMT retainer @ 9,828' Wednesday, May May 19, 2021 Page I of I MEMORANDUM TO: Jim R P.I. Supervisor t mac. 1 FROM: Adam Earl Petroleum Inspector NON -CONFIDENTIAL State of Alaska Alaska Oil and Cas Conservation Commission DATE: Wednesday, May 19, 2021 SUBJECT: Mechanical Integrity Tests Hilcmp North Slope, LLC Z-34 PRUDHOE BAY UNIT Z-34 See: Inspector Reviewed By:�p�, P.I. Supry Comm Well Name PRUDHOE BAY UNIT Z-34 API Well Number 50-029-23469-00-00 Inspector Name: Adam Earl Permit Number: 212-061-0 Inspection Date: 5/18/2021 IDSA Num: mi[AGE210518195554 Rel Insp Num: Packer Depth Pretest Initial 15 Min 30 Min 45 Min 60 Min Well 2-34 Type Ini N TVD Tubing 42 zol49z2 - 9n - PTD n2o610 Type Test srT Test psi 1700 IA 42 2012- 1961. 1942, BBL Pumped: 2.9 BBL Returned: 2.9 - OA o 0 0 0 Interval OTHER P/F P Notes: CMIT-T/IA Tested as per sundry 321-106 1-) I I r Wednesday, May 19, 2021 Page I of 1 Operator Name:2. Exploratory Development Service 5 Permit to Drill Number:212-061 6.API Number:50-029-23469-00-00 PRUDHOE BAY, PRUDHOE OIL Hilcorp North Slope, LLC 5. Field/Pools:9. Well Name and Number: ADL 028262 & 0047453 Property Designation (Lease Number):10. 341H 8. PBU Z-34 7.If perforating: What Regulation or Conservation Order governs well spacing in this pool? Will planned perforations require a spacing exception? Stratigraphic Current Well Class:4. Type of Request:1.Abandon Plug Perforations 5 Fracture Stimulate Repair Well Operations shutdown IA Cement Job Op Shutdown GAS GSTORWAG SPLUG Abandoned Oil 5 WINJ Exploratory Development 5StratigraphicService WDSPL 12. Attachments: PRESENT WELL CONDITION SUMMARY 13780 Effective Depth MD: 13Cr80 11. 3/15/2021 Commission Representative: 15. Suspended Contact Name: Brodie Wages Contact Email: david.wages@hilcorp.com Authorized Name: Stan Golis Authorized Title:Operations Manager Authorized Signature: Plug Integrity BOP Test Mechanical Integrity Test Location Clearance Other: Yes No Spacing Exception Required?Subsequent Form Required: Approved by:COMMISSIONER APPROVED BYTHE COMMISSION Date: 5OtherAlter Casing Pull Tubing Conditions of approval: Notify Commission so that a representative may witness Sundry Number: COMMISSION USE ONLY 17. I hereby certify that the foregoing is true and the procedure approved herein will not be deviated from without prior written approval. Detailed Operations Program Packers and SSSV Type: No SSSV Installed Packers and SSSV MD (ft) and TVD (ft): Perforation Depth MD (ft):Tubing Size: Size Total Depth MD (ft):Total Depth TVD(ft): 8864 Effective Depth TVD:Plugs (MD):Junk (MD): Other Stimulate Re-enter Susp Well Suspend Plug for Redrill 5Perforate 5Perforate New Pool 9900, 8487 No SSSV Installed Date: Liner 3759 4-1/2" 10019 - 13778 8588 - 8865 8430 7500 Well Status after proposed work: 16. Verbal Approval: Change Approved Program 40 - 3180 40 - 3142 14. Estimated Date for Commencing Operations: BOP Sketch 41 - 121 Structural 7240 Proposal Summary 13. Well Class after proposed work: 4-1/2" HES TNT Perm Packer 10390 - 12710 8886 - 8978 4-1/2" 12.6#36 - 10024 Production 13692 8900 None 11923 41 - 121 520 9-5/8" 7" 26# Contact Phone:(907)564-5006 Date: 5410 80 153020"Conductor 3090 GINJ 5 Post Initial Injection MIT Req'd? Yes No 5 Comm. STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION APPLICATION FOR SUNDRY APPROVALS 20 AAC 25.280 Surface 3140 5750 Intermediate 10139 38 - 10176 38 - 8725 Address:3800 Centerpoint Dr, Suite 1400, Anchorage, AK 99503 3. No 5Yes Casing Length MD TVD Burst Tubing Grade:Tubing MD (ft):Perforation Depth TVD (ft): Collapse MPSP (psi): Wellbore Schematic 2330 Comm.Sr Pet Eng Sr Pet Geo Sr Res Eng Form 10-403 Revised 03/2020 Approved application is valid for 12 months from the date of approval. By Samantha Carlisle at 9:22 pm, Mar 03, 2021 321-106 Digitally signed by Stan Golis (880) DN: cn=Stan Golis (880), ou=Users Date: 2021.03.03 15:21:04 -09'00' Stan Golis (880) 10-404 2330 DSR-3/4/21 Note DLB X DLB 03/04/2021 SCMT performed after cementing. SCMT to AOGCC. AOGCC witnessed MIT-T and CMIT-TxIA to 1700 psi. - Biennial MIT-T, CMIT-TxIA required. MGR08MAR21 Yesion Required? Comm. 3/8/21 dts 3/8/2021 JLC 3/8/2021 RBDMS HEW 3/8/2021 Perforate Kuparuk Well: Z-34 PTD: 212-061 Well Name:Z-34 API Number:50-029-23469-00 Current Status:Operable Ivishak Producer Rig:N/A Estimated Start Date:March 15, 2021 Estimated Duration:N/A Reg.Approval Req’d?Yes Regulatory Contact:Abbie Barker First Call Engineer:Aras Worthington 907-440-7692 (M) Second Call Engineer:David “Brodie” Wages 713-380-9836 (M) Current Bottom Hole Pressure:3153 psi @ 8600’ TVD Maximum Expected BHP:3000 psi @ 6700’ TVD Max. Anticipated Surface Pressure:2330 psi Gas Column Gradient (0.1 psi/ft) History Z-34 was drilled in 2012 to be an injector supporting Z-71 and Z-40. when the well was popped, it came on at competitive rates and has been maintained as a producer ever since. In the near future, Hilcorp intends to finally convert it to an injector but would like to complete this work before doing so. Z-34's Kuparuk penetration is in a position where we should be able to test the extent of the oil lense in the southern end of the Borealis reservoir possibly leading to additional well development in the area. Objective Execute an IA cement job to get cement across the Kuparuk interval. Perforate and test the Kuparuk. The proposed TOC the IA is ~6200’ MD which is ~2500’ TVD below the SC shoe and ~2940’ deeper than the estimated top of the UG4 marker @ ~3260’ MD. Post-job Evaluation o MIT-T and CMIT-TxIA o SCMT to confirm the Top of Cement (TOC) Long-Term Integrity Monitoring o Biennial MIT-T and CMIT-TxIA o Monitor and Record WHPs daily Procedural Steps Slickline 1. DGLVs. E-Line & Fullbore 1. Set 4-1/2” CBP just above the production packer. 2. PT of tubing/CBP to 1500 psi to verify CBP set. Five-minute test, no more than 10% pressure loss. 3. Punch tubing in the middle of the first collar above the CBP. 4. Pump diesel down the tubing while taking returns up the IA, to confirm circulating rates and pressures through tubing punch. Circulate tubing and IA to diesel. 5. Set 4-1/2” cement retainer just above the tubing punch. Coiled Tubing or Fullbore 1. Pump down production tubing (if pumping cement fullbore) or down CT: Perforate Kuparuk Well: Z-34 PTD: 212-061 ¾70 bbls 15.8 ppg Class G cement ¾Chase w/retainer landing ball & foam wiper ball (if pumping fullbore) ¾Chase balls w/ ~150 Bbbls diesel (if pumping fullbore) Cement Calculations ¾7” x 4-1/2” volume from 6200’ – 9900’ MD: 69 BBLS Coiled Tubing 1. Mill out cement retainer, cement, and CBP. Slickline & Fullbore 1. Set Nipple reducer & plug in tubing in one of the landing nipples between 9870’ and 10,011’ MD. 2. Log Memory SCMT from ~9900’ MD to ~5000’ to identify TOC. 3. Conduct AOGCC witnessed MIT-T and CMIT-TxIA to 1500 psi. Ensure 24-hour notice provided for AOGCC. 4. Leave plug in tubing to isolate Ivishak from Kuparuk perforations. E-Line 1. Perforate the Kuparuk zone per attached tie-in log. Operations 1. POP flowing from the Kuparuk perfs only. Hilcorp may want to flow from the Kuparuk only for up to a year to establish reservoir characteristics of the Kuparuk in this area. Well Diagnostics & WIE 1. Update AKIMS and add biennial MIT-T and CMIT TxIA. .25 psi/ft * 6700' = ~1700 psi Perforate Kuparuk Well: Z-34 PTD: 212-061 Perforate Kuparuk Well: Z-34 PTD: 212-061 Perforations into Kuparuk ~7773’ – 7860’ MD Z-34 Proposed Flowing from the Kuparuk TOC in IA ~6200’MD Plug set in tubing in one of the existing three landing nipples below perforations Perforate Kuparuk Well: Z-34 PTD: 212-061 Reservoir Cement Plug Z-34 Proposed P&A Surface Cement Plug Perforate Kuparuk Well: Z-34 PTD: 212-061 Tie In Log 1 Winston, Hugh E (CED) From:Carlisle, Samantha J (CED) Sent:Monday, February 22, 2021 10:21 AM To:Winston, Hugh E (CED) Subject:FW: Cancellation Request: PBU Z-34 (PTD #212-061) Sundry # 320-110 Attachments:Z-34 Appr Sundry 3-17-20.pdf Samantha Carlisle Executive Secretary III (907)793-1223 From: Abbie Barker <Abbie.Barker@hilcorp.com> Sent: Friday, February 19, 2021 4:11 PM To: AOGCC Permitting (CED sponsored) <aogcc.permitting@alaska.gov> Cc: Stan Golis <sgolis@hilcorp.com>; Aras Worthington <Aras.Worthington@hilcorp.com>; Brodie Wages <David.Wages@hilcorp.com> Subject: Cancellation Request: PBU Z‐34 (PTD #212‐061) Sundry # 320‐110 Good Afternoon, Please cancel Sundry #320‐110 (copy attached) to convert Z‐34 to an injector. No work that was covered by the sundry has taken place and we will not be executing that work at this time. Please let me know if you need any additional information. Thank you, Abbie Abbie Barker Regulatory Tech, Prudhoe Bay West Team Hilcorp North Slope Email: Abbie.Barker@hilcorp.com Office: (907)564‐4915 Cell: (907)351‐2459 The information contained in this email message is confidential and may be legally privileged and is intended only for the use of the individual or entity named above. If you are not an intended recipient or if you have received this message in error, you are hereby notified that any dissemination, distribution, or copy of this email is strictly prohibited. If you have received this email in error, please immediately notify us by return email or telephone if the sender's phone number is listed above, then promptly and permanently delete this message. While all reasonable care has been taken to avoid the transmission of viruses, it is the responsibility of the recipient to ensure that the onward transmission, opening, or use of this message and any attachments will not adversely affect its systems or data. No responsibility is accepted by the company in this regard and the recipient should carry out such virus and other checks as it considers appropriate. RBDMS HEW 2/22/2021 THE STATE °fALASKA GOVERNOR MIKE DUNLEAVY Cale Peru Petroleum Engineer BP Exploration (Alaska), Inc. PO Box 196612 Anchorage, AK 99519-6612 Re: Prudhoe Bay Field, Prudhoe Oil Pool, PBU Z-34 Permit to Drill Number: 212-061 Sundry Number: 320-110 Dear Mr. Peru: Alaska Oil and Gas Conservation Commission 333 West Seventh Avenue Anchorage, Alaska 99501-3572 Main: 907.279.1433 Fax: 907.276 7542 www. a o g c o, a l a s ka. g o v Enclosed is the approved application for the sundry approval relating to the above referenced well. Please note the conditions of approval set out in the enclosed form. As provided in AS 31.05.080, within 20 days after written notice of this decision, or such further time as the AOGCC grants for good cause shown, a person affected by it may file with the AOGCC an application for reconsideration. A request for reconsideration is considered timely if it is received by 4:30 PM on the 23rd day following the date of this letter, or the next working day if the 23rd day falls on a holiday or weekend. Sincerely, J sie�owski Commissioner DATED this j3'day of March, 2020. RBDMSLf'd MAR 312020 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION APPLICATION FOR SUNDRY APPROVALS 20 AAC 25.280 CZZ1�"�--D MAD f n )nnn 1. Type of Request: Abandon ❑ Plug Perforations ❑ Fracture Stimulate ❑ Repair Well ❑ T-(%p�ratior9Ju/fl%191, l� Suspend ❑ Perforate C] Other Stimulate ❑ PUII Tubing ❑ ®1ggSppr ve gram ❑ Plug for Redrill ❑ Perforate New Pool ❑ Re-enter Susp Well ❑ Alter Casing ❑ Other Convert to Injector 0 2. Operator Name: BP Exploration (Alaska), Inc 4. Current Well Class: Exploratory ❑ Development 0 5. Permit to Drill Number 212-061 3, Address: P.O. Box 196612 Anchorage, AK 99519-6612Stratigraphic ❑ Service ❑ 6. API Number: 50-029-23469-00-00 r 7. If perforating: What Regulation or Conservation Order governs well spacing in this pool? 8. Well Name and Number. Will planned perforations require a spacing exception? Yes ❑ No 0 PBU Z-34 9. Property Designation (Lease Number): 10. Field/Pools: ADL 028262 & 047453 PRUDHOE BAY. PRUDHOE OIL 11. PRESENT WELL CONDITION SUMMARY Total Depth MD (ft): Total Depth TVD(ft) : Effective Depth MD: Effective Depth TVD: MPSP (ps): Plugs (MD): Junk (MD): 13780 8864 13692 8900 ZSd A/ti' None 11923 Casing Length Size MD TVD Burst Collapse Structural Conductor 80 20" 41-121 41 -121 1530 520 Surface 3140 9-5/8" 40-3180 40-3142 5750 3090 Intermediate 10139 7" 38-10176 38-8725 7240 5410 Production Liner 3759 4-1/2" 10019-13778 8588-8865 1 8430 7500 Perforation Depth MD (ft): Perforation Depth TVD (ft): Tubing Size: Tubing Grade: Tubing MD (ft): 1 10390 - 12710 6886 - 8978 4-1/2" 12.6# 13Cr60 36-10024 Packers and SSSV Type: 4-1/2" HES TNT Perm Packer Packers and SSSV MD (ft) and TVD (ft): 9900,8487 No SSSV Installed No SSSV Installed 12. Attachments: Proposal Summary 0 Wellbore Schematic 0 13. Well Class after proposed work' Detailed Operations Program ❑ BOP Sketch ❑ Exploratory ❑ Stratigraphic ❑ Development ❑ Service 0 14. Estimated Date for Commencing Operations: 04/13/2020 15. Well Status after proposed work: Oil 0 WINJ ❑ WDSPL ❑ Suspended ❑ 16. Verbal Approval: Date: GAS ❑ WAG 0 GSTOR ❑ SPLUG ❑ Commission Representative: GINJ ❑ Op Shutdown ❑ Abandoned ❑ 17. 1 hereby certify that the foregoing is true and the procedure approved herein will not Contact Name: Peru, Cale be deviated from without prior written approval. Contact Email: Cale.Pew@bp.com Authorized Name: Peru, Cale Contact Phone: +1 9075644522 Authorized Title: Petroleum Enjineer Authorized Signature:JW/oV,Date: 31101;0X) COMMISSION USE ONLY Conditions of approval: Notify Commission so that a representative may witness Sundry Number. / Plug Integrity Mechanical Integrity CY ❑ BOP Test ❑ Test Location Clearance ❑ Other: IMS -L6"IMAR 3 12020 Post Initial Injection MIT Req'd? Yes ❑ No ❑ Spacing Exception Required? Yes ❑ No e Subsequent Form Required: lo—'JO I APPROVEDBYTHE Approved by: COMMISSIONER COMMISSION Date: V ORIGINAL Lz Submit Form and Form 10-003 Revised 04/2017 Approved application is valid for 12 months from the date of approval. Attachments m Dupli to I f3 3Il►%ao Feb 26th, 2020 Jeremy Price Alaska Oil & Gas Conservation Commission 333 West 7th Avenue Anchorage, AK 99501 Subject: Surface Conversion of Z-34 Producer to Infector BP Exploration Alaska, Inc. proposes to convert well Z-34 from a producer to a WAG injection well. Z-34 was drilled in 2012 as a pre -produced injector, but it was a competitive producer and has not been converted yet. At this stage in its life we think Z-34 has more value as a WAG injector than a producer. For questions or comments, please contact: Cale Peru Petroleum Engineer Office Cale Peru PE 564-4522 Beau Obri ewitch WIE 564-4854 Omid Peimani RE 564-5535 Derek Nottingham TL 564-4012 Cale Peru Petroleum Engineer BACKGROUND Z-34 was drilled in 2012 as a pre -produced WAG injector as part of the Z -Pad expansion project. The well was completed with a 4.5" liner which included six swell packers, and then also cemented in place. The swell packers were set as fault isolation assurance in case of an inadequate cement job. It was planned to support existing producers at the time Z -03A, Z -16A, Z-17, and Z -39A, as well as another Z -Pad Expansion producer, well Z-40. The plan was to convert it to an injector after about 2 years of production. While drilling the well, a 140' LOC was found (pre -drill estimate was —100' LOC). It has been a good producer so that plan was delayed, and it is still online as a producer today. We think it is now time to convert it to a WAG injector, to support the wells that surround it and to realize the benefits of MI injection. The current operable producers that the Z -34i conversion project will support include Z -03A, Z-40, Z-71, with potential upside in also supporting Z -39A (from Z-34 heel perfs), Z -16A and Z -17A (map attached). PLAN FORWARD 1) Obtain static pressure survey. Install dummy gas lift valves. 2) MIT -IA to 2500 psi. Step rate test. 3) Complete surface work and put well on injection (pending AOGCC approval). Injection target will be based on step rate test results. 4) AOGCC witnessed MIT -IA to 2500 psi. /�? /Ts Qer Kv/e ©CW Ta 25 7' AREA OF REVIEW, X mile radius from Ivishak penetration in the heel to the toe of the well. OAF e/\ !EE! « ; ; r 51 ■ ; ; x �\ ! ! \/ \ } }\ !!)!f!)!!Z : \\/) c O E E v0 c w o Z v N c bo o w V u E C7 O U 4 a N V1 0 N LO X LL O M M O 0 N K O Y n N y'c moo v° Q m m U! OD OJ s V v N 0 O N CL v C d O O O a O 00 d Q c F- 0 O c O c N N C O � @ fl - U a m A � a O N O O Q a m m p O ON O d D m 4 U m l7 o O VN C N 3 C N L u m � N N O Y a a O a a X c O (D LL CL O N m N L a 0 3 a O_ v Y EO C V a 9 LA LAc c O E E v0 c w o Z v N c bo o w V u E C7 O U 4 a N V1 0 N LO X LL O M M O 0 N K O Y n N y'c moo v° Q m m TREE= 4-1/16" Wl3.LHEAD= FM _ ACRIATOR= Nff4AL KB. QED -95.65' BF.ELEV = VLV KOP= Max Angk: _ 407 -114' X13688' Datum MD= 10407 Datum TVD= 8800'SSI 19.124' 19-511r CSG. 400, L-80 BTC, D = B.835- Minimum ID = 3.725" a@ 1001 1'L 4-1/2" HES XN NIPPLE 3' USis p �� T CSC, 260, L-80 VAM TOP HC XO TO L-80 BTC 10010' - 4-12' TBG, 12.60, 13CR-80 W .0152 bpf, D = 3.958' T CSG, 2, L-80 VAM .0383 bp6# f, D = 6276' Z-34 SAFETY NOTES: W ELL ANGLE> 70.0 10697"" 4-112" CHROME TBG & LNR 1 2002' 1 GAS I F T MA KFRR C ST MD I ND I DEV I TYPE VLV LATCH I PORr DATE 6 3315 3274 11 KBG2 DOME BK 16 1026/17 5 5923 5445 44 KBG2 DOME BK 16 1026117 4 7702 6699 48 KBG2 DOME BK 16 1026/17 3 8401 7207 33 KBG2 DW BK 0 06/11/16 2 9016 7732 31 KBG2 DOME BK 16 1026117 1 9836 8431 30 KBG2 SO BK 24 1026117 9870' H 4-12' FIBS X NP, D = 3.813' X 4-1/2' FES TNT PKR D = 12" FES X NP, D = 3.813' PERFORATION SUMMR.Y REF LOG: MWD LOG SLBIPDC 2012 ANGLE AT TOP PERF: 55" @ 10390' Note: Refer to Production DB for historical pert data SIZE 10019' 7'X5"BKRZXPLTPW/1PTEBK,D=4.250' LNR 10019' Opn/Sqz 10024' 41/2.4YLEG,D=a.1oo^ OP, 10023' 6 gA0 Ti NOT LOGG® O 09/12/12 10039' T X 5' BKR FLIX-LOGE( LNR FMJR, D = 4.35' ' HC, 10176' 10450- 10560 k 10062' S" X 4-1/2" XO, D= 3.90" PERFORATION SUMMR.Y REF LOG: MWD LOG SLBIPDC 2012 ANGLE AT TOP PERF: 55" @ 10390' Note: Refer to Production DB for historical pert data SIZE SPF OJTHZVAL Opn/Sqz DATE 2-7/8" 6 10390- 10430 O 09/12/12 2-718" 6 10450- 10560 O 09/12/12 2-7/8" 6 10590- 10650 O 09/12/12 2-718' 6 10690 - 10740 O 09112/12 2-718' 6 11000- 11050 O 09/12/12 2-314' 6 11129-11161 0 1126/17 2-718' 6 11230-11290 O 09112/12 2-7/8' 6 11310-11430 O 09/12/12 2-78" 6 11460-11585 O 09/12/12 2-3/4' 6 11800-11864 O 1125/17 2-3/4' 6 11864-11896 O 1124/17 2-718' 6 11945-12010 O 09/12/12 2-7/8' 6 12060- 12230 O 09/12/12 2-7/8' 6 12590- 12710 O 09/12112 LNR 12.6#, 13CR-80 VAM TOP,H 13778' upf, D = 3.958' 1923' J UNKNOWN OBSTRUGMN(12115115) -CORRECTED DEPM 11/24117" HES HYBRO SWELL PAMCM DATE REVMBYCOMAENTS COMAENTS DATE REV BY CONF8JT5 09/15112AL COM PLETION1221175TTR/JMD 11604 OBSTRUCTION(12118115)09/14/12G 5 DRAFT BUILD 06/13116 JGVJM) GLV (/0(06/11/16) 09/18/12GDRAFTCORRECTIONS 6 10/31/17 GIWJAD GLV CJO(1(16MV) 10/06/128' CSG COfaSCT10N 1127117 MR1JM) ADPERFS 8 CORRECT® RSH OEprH 01/17/13 00 (01/04113)10/03114 12846 3.958' CJO(09/26/14) 6 13047 NO SIZE TOP DEPTH MN D 6 6 11604 3.958' 5 6 11910 3.956' 4 6 12252 3.958' 3 6 12556 3.958" 2 6 12846 3.958' 1 6 13047 3.958' PRUDHOE BAY LHT WFLL Z-34 PB44T No: `2120610 AR No: 50-029-23469-00 SEC 19, T11 N, R12F- 989 FW- 8 2402' FWL BP Explora0on (Alaska) STATE OF ALASKA DEC 0 7 2017 LASKA OIL AND GAS CONSERVATION COMMIS REPORT OF SUNDRY WELL OPERATIONSOGCC 1. Operations Performed Abandon 0 Plug Perforations 0 Fracture Stimulate 0 Pull Tubing 0 Operations shutdown ❑ Suspend 0 Perforate El Other Stimulate 0 Alter Casing 0 Change Approved Program 0 Plug for Redrill ❑ Perforate New Pool 0 Repair Well 0 Re-enter Susp Well 0 Other: 0 2. Operator Name: BP Exploration(Alaska),Inc 4. Well Class Before Work 5. Permit to Drill Number: 212-061 3. Address: P.O.Box 196612 Anchorage, Development LZ Exploratory ❑ AK 99519-6612 Stratigraphic 0 Service ❑ 6. API Number: 50-029-23469-00-00 7. Property Designation(Lease Number): ADL 0047453 8. Well Name and Number: PBU Z-34 • 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 13780 feet Plugs measured feet true vertical 8864 feet Junk measured feet Effective Depth: measured 13692 feet Packer measured 9896 feet true vertical 8900 feet Packer true vertical 8482.46 feet Casing: Length: Size: MD: TVD: Burst: Collapse: Structural Conductor 80 20"94#H-40 39-119 39-119 1530 520 Surface 3140 9-5/8"40#L-80 38-3178 38-3140 5750 3090 Intermediate See Attachment See Attachment See Attachment See Attachment See Attachment See Attachment Production Liner 3759 4-1/2"12.6#13Cr8 10019-13777 8588-8865 8430 7500 Perforation Depth: Measured depth: See Attachment feet True vertical depth: See Attachment feet Tubing(size,grade,measured and true vertical depth) 4-1/2"12.6#13Cr80 34-10019 34-8588 Packers and SSSV(type,measured and See Attachment See Attachment See Attachment true vertical depth) 12.Stimulation or cement squeeze summary: Intervals treated(measured): SCANNED -AN 2 4 21118 Treatment descriptions including volumes used and final pressure: 13. Representative Daily Average Production or Injection Data Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure Prior to well operation: 349 0 956 1411 264 Subsequent to operation: 542 149 1800 1303 284 14.Attachments:(required per 20AAc 25.070.25.071,&25.283) 15.Well Class after work: Daily Report of Well Operations ® Exploratory 0 Development E Service 0 Stratigraphic 0 Copies of Logs and Surveys Run 0 16.Well Status after work: Oil H Gas 0 WDSPL 0 Printed and Electronic Fracture Stimulation Data 0 GSTOR 0 WINJ 0 WAG 0 GINJ 0 SUSP 0 SPLUG 0 17.I 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 E ineer Contact Email: Cale.Peru@bp.com 7 Authorized Signature: � Date: 1)/71 1 7 Contact Phone: +1 9075644522 I/ / Form 10-404 Revised 04/2017 L 11J//211 file, �'L �I 1VC P R n ag 1,1 - �,, n i4 91117 Submit Original Only • • Alaska Oil and Gas Conservation Commission 333 West Seventh Avenue Anchorage, AK 99501-3572 RE: BP Exploration (Alaska), Inc. Report of Sundry Well Operations Summary December 7, 2017 To Whom it May Concern: Attached please find the Report of Sundry Well Operations for Addition of Perforations for Well Z-34, PTD # 212-061. Sincerely, BP Exploration (Alaska) Inc. P.O. Box 196612 Anchorage, AK 99519-6612 Attachment: Form 10-404 BP Exploration (Alaska) , Inc. P.O. Box 196612 Anchorage, AK 99519-6612 • • m Q, 00 000 ld N O N O O O O N- O CO N.- N- LO l� N- U y 0 0 0 0 0 0 ch LO c0 V CO ch 7 LO f� r N NI- Ca Ca LO CO � 000O O v LO CO ry N CO CO V f� CO LO CO CO CO CO s H CO O CO ti r CO V CO CO CO LO CO CO O co CO N- O _ r r C\ O r M 0 C'') O r r r �) p 2 , 11 1 , < 000 � r C� N CO (O CO VY Q CO C -10 m N a O O CD L \ V O O O 07 co J CO CO _ 4* J J •� N _ N N N O N r r U o - - N to N N O r r 4 rO M�• Lf) Cn c) O in co = a0 `— N• - J CO Or CO O w w _Q Q C O a 121 yoUww O a a_CC C a z Z w w w m O• ZZZF- CD N m CO Cfl CO CA N- CO Cf) CO CO V 03N._ CO 0) CO t r l'`.- O N- CO N CO CO CO CO CO N- LO p_ CO O O) Ni VCOCO ' O cd C` N 6 y 0 I- O r N r o CO 1.0N NC` r 0 I"- a 0) O) O O O CD O O) O) O) O O a) O) CO CO O) O) 0) O) O) Cb CO CO Cp co Cb CO a O I 0) N� V r- 00 Cf) V CPCO CO N- CO w CT) C.0 M CCO CO CO CO N MCO OD r a Cn CO Ni O N O r r o Cb M �t r 0 O CO r CO r O CO Q) O) O O O O O O Q) ON) 0)) 0) a)) > > co co co o) o) CT) CD 0') CO CO CO 00 CO 00 0 I- La La ° a w ❑ ❑ cn z La 1.11 HO w 0 a H < Y U O > CO O O W Y Y 2 O O O o CD c- 0 CD Ct) CT CO o 0 0 N -� U V W W CO co LM CO LU 'Cr CC) CD O) CO Cb CO 0) M � _I - Q Q C/) W AFIy 1-0CO I- O r N V" Cf) CO CO O N N- < < < w a a 0 Z_ 0 0 0 o r r r ,- r r A- N N N _O _O _O J W w -, J CD N- r r r r r r c- r r Z Z Z O J J J ❑ J U) 2 — a W a E E U U U W < 01_ 0z z La w w a I- H < � Q Vd. 2 2 O cn cn cn co cn .� M Q N aa 0 I- C = r o CD 0 0 0 6) 0 0 o O �f 1.0 O o 0) Cn 0) 0) OO Co CO O m Q N COM r O t O) (1) CO CC) (O O N CO CO Co 0) O Cn '. 0... 00000 � r � r .- � rr � N r r r r r r r r r r 03 L Cu O cn cn cn cn cn CD o. a) v 0 0 c CY 2' CC CC LL CC CC CC LL LL CC CC CC m W W W W W Cl- W W W a_ CIL W W W a a_ a_ a a. a Q a. a a. ¢ Q a a_ a O t m a 0 w D W 0 a) a cn ~ w m N N N N N N- N N N N- N- N N N C7 0 p0 O r r r r c- r r r r r r r c O o CD 0 0 0 0 0 0 0 0 0 0 CD °w _1 J Z a O N N N N N (-,4 N N N N (-N N N N Z a a a < W W A- r r r r r r r r r O W N N a A_ r r r r r N r r r N N r c- .- (]) ° w w w j W W a r r Z Q O O ° W W a W . C3) C) CO C3 CA r CA CD O r O CP 03 ❑ _❑ ° -J J D O m ° Cr —I J C'1 OW w Q ¢ m m I 1 cn CO a Ct CD E m z v -zrvvvvvv � v � vv- v Cl) CO CO CO CO CO CO CO CO CO CO CO CO CO CO m d a CO 0 -� C'1 N W O_ NNNNNNNNNNNNNN < < m m a U- cn cn a. cC • • Packers and SSV's Attachment PBU Z-34 SW Name Type MD TVD Depscription Z-34 TBG PACKER 9895.54 8482.46 4-1/2" HES TNT Perm Packer Z-34 PACKER 10029.85 8597.17 5" Baker ZXP Top Packer Z-34 PACKER 11604.33 8951.72 4-1/2" Swell Packer Z-34 PACKER 11909.49 8926.85 4-1/2" Swell Packer Z-34 PACKER 12251.94 8904.8 4-1/2" Swell Packer Z-34 PACKER 12556.99 8941.69 4-1/2" Swell Packer Z-34 PACKER 12845.79 9004.72 4-1/2" Swell Packer Z-34 PACKER 13045.92 9023.82 4-1/2" Swell Packer s • 0 oQ a) NO O o O n O a � aWaD � o_c . 1- 0.) — moo .__ �, 0 U a) _d 0 C E � c0 Q) 2c00- N O c0 rn c� a c Oa) L- CO 0__0 N X • 0 - ` E ° ° (r, 4 10 - � o w � � °� � ° � �°a (° N 1- E = o _oDco c o - (t) 2 ao o -a b-o C z 0 ai w , -a O O — (,7 - (n m-C) = (N N N 3 Q c a mcoi o m _ E cD 0ac _ ^ a,O ciC Qcc c o o L6 > .N ri D 0 _0 °6 Ea, o ` _c % t') ,- D c C N O 2 c 2o2D N U 0cC m La) ° LL N • o ° aN ° c� c 0 a, 20 -6 —' a, a, o)o a, m `t o p > co � -0 co x0 D g Q oo a +� E0 + o L-0 -o L J -,77..•t0 < - o @ N- C :-- L.. 2 4- 't 2 ,- o Q- N N t_.- 4-'3 co m c a,- (%) o' Q. aL) a, o V- ca O Q u) o a, O = o a, - o N H ! ii ! � �Qa,Q m Q a, m N N N m O v __ To o c mm m o p co _a _ � � � d = � in v, = a, o ice. d a) N(L) ° r * D Q N • O N < a) 0 O p 0 0 3 0 o c 2 E W 0 0� c) q 0 0 o a.N a n � � o a(� on� � ai � � � = o aia'• L- ° 0 3 a a, o 3 Cl_ o c .Q Q, U CO (n (n O H . f— a. >O o N (n N •O �O • v O 7 r) .Q CD D CO _0 LL U Q, _ Q 0000 U O = N *k - -- L J Q0 0 N N °OO L-0 E N D `- O � a, C ;7--, o ` W a) co co a) N = O C O C r n- N ID o u, U LL z m ( °� o o F--: Z c ° o f C U > 3 0 > (n _ b a, a) o -, _ o (� "- o o __ Q c I- m ~ M O'O N j C U O c co n Imo- f O C L Y U O V () 06 -Q '- cO (na c <- Q, (n oV 0 c a) dU a, co a Q L a) x O C 00 U N C a) 2 U C (U ° 4t 0 Y O C ID ° C N O O (n 02 : 0Q0l1Q. NQ (0 : UCL Q— O C 00LLI' (pr W Q 0 l"- O O O O >- N N N N 0) r) M V Lo co O N- 5 N N N (V 00 N- N r U r Q •!HEE= 4-1/16" SA 'TY NOTES:,/� _WH_LHEAD= FTNC ACTU -Vv4' 4-1/2" HROME TBG SLINR E TO°@ 10697'*** ATOR= CLEO tom.KB. ELEV= 95.65' BE.ELEV= 56.1' ( ' KOP= 407' Max Angie- 1140 @ 13688' ' I 2002' H4-1/2"FES X NP,D=3.813" I Datum MD= 10407' GAS LFT MANDRELS ST MD TVD DEV TYPE VLV LATCH PORT DATE Datum TVD- 8800'SS 120"CONDUCTOR 94#,H-40.ID=19.124" H 80' 1 6 3315 3274 11 KBG2 DOME BK 16 10/26/17 5 5923 5445 44 KBG2 DOME BK 16 10/26/17 9-5/8"CSG,408,L-80 BTC,D=8.835" H 3180' 4 7702 6699 48 KBG2 DOME BK 16 10/26/17 3 8401 7207 33 KBG2 DMY BK 0 06/11/16 2 9016 7732 31 KBG2 DOME BK 16 10/26/17 Minimum ID = 3.725" @ 10011' 1 9836 8431 30 KBG2 SO BK 24 10/26/17 4-1/2" HES XN NIPPLE I 9870' H4-112"FES XNAP,D=3.813' �j" . 9900' 1-17'X 4-1/2"FES TNT PKR D=3.856' !\I _ 9935' H4-1/2"t-€S X NP,D=3.813" I 17"CSG.26#,L-80 VAM TOP HC XO TO L-80 BTC ,—L 10010' .1—>< ' 10011' —4-112"FSS XN NP,D=3.725' it i, 10019' j--{7'X 5'BKR ZXP LTP w/10'TRK,D 4 250" I (TOP OF 4-112'LHR,--1_ 10019' II10024' —{4 112"WLCG,D=4.100" 4-1/2"TBG,12.68,13CR-80 VAM TOP, H 10023' ! HELM)TT NOT LOGGED 0152 bpf,D=3.958" 10039' 7"X 5"BKR FLEX-LOCK LNR HNR D=4.35' 7'CSG,26#,L-80 VAM TOP HC, — 10176' A 10052' —15"X 4-1/2"XO,D=3.90" .0383 bpf,D=6.276' I PERFORATION SUMMARY ' REF LOG MWD LOG SLB/PDC 2012 ANGLE AT TOP Ff1 '55"@ 10390' I Note:Refer to Roduction DB for historical per(data ' SIZE SPF INTERVAL Opn/Sqz DATE 2-7/8" 6 10390-10430 0 09/12/12 I 2-7/8" 6 10450- 10560 O 09/12/12 ►—=� 2-7/8" 6 10590- 10650 0 09/12/12 CK =^4 11923' —UNKNOWN OBSTRUCTION(12!15/15) 2-7/8" 6 10690- 10740 O 09/12/12 ' "CORRECTED DEPTH 11!24117*' 2-7/8" 6 11000- 11050 O 09/12/12 , HM's HYBRID SWELL PACKER 6 11129- 11161 O 11/26/17 2-718" 6 11230- 11290 O 09/12112 ' NO SIZE TOP DEPTH MN ID6 6 11604 3.958" 2-7/8" 6 11310- 11430 0 09/12/12 5 6 11910 3.958" 2-7/8" 6 11460-11585 O 09/12/12 -=� I 4 6 12252 3.958" 2-3/4" 6 11800-11864 O 11/25/17 3 6 12558 3.958" 2-3/4" 6 11864- 11896 O 11/24/17 ' 2 6 12846 3.958" 2-7/8" 6 11945- 12010 0 09/12/12 2-7/8" 6 12060- 12230 0 09/12/12 1 6 13047 3.958" 2-7/8" 6 12590-12710 O 09/12/12 I'5< 1111.,..1111 `` 4-1/2'LNR, 12.6#,13CR-80 VAM TOP, — 13778' 1.144 t PBTD IH 13692' I 0152 bpf,D=3 958' ..0*4 DATE REV BY COMVENTS DATE REV BY COMbENTS PR DFDE BAY UNIT 09/15/12 025 INITIAL COMPLETION 12/21/15 TTR/JMD OBSTRUCTION(12/18/15) VLDL: Z-34 09/14/12 PJC DRLG DRAFT BUIL? 06/13/16 JGUJMD GLV CIO(06/11/16) PBRIVIIT No:'2120610 09/18/12 PJC CRLG DRAFT CORRECTIONS 10/31/17 CJWJM) GLV CJO(10/26/17) AR No: 50-029-23469-00 10/06/12 PJC 9-5/8"CSG CORRECTION 11(27/17 MR/JMD ADTT_RFS&CORRECT®FISH DEPTH SEC 19,T11 N,R12E,989'F N &2402'FWL 01/17/13 GJF/JMD GLV CI0(01/04/13) 10/03/14 JM*NJMD GLV C/0(09/26/14) BP Exploration(Alaska) STATE OF ALASKA •ALASKA OIL AND GAS CONSERVATION COMM./1)N REPORT OF SUNDRY WELL OPERATIONS • 1. Operations Performed Abandon 0 Plug Perforations 0 Fracture Stimulate 0 Pull Tubing 0 Operations shutdown 0 Suspend 0 Perforate 0 Other Stimulate 0 Alter Casing 0 Change Approve5 Progrkm 0 Plug for Redrill 0 Perforate New Pool 0 Repair Well 0 Re-enter Susp Well 0 Other:11447-e" aet q 0 2. Operator Name: BP Exploration(Alaska),Inc 4. Well Class Before Work 5. Permit to Drill Number: 212-061 D? 3. Address: P.O.Box 196612 Anchorage, Development 0 Exploratory 0 AK 99519-6612 Stratigraphic ❑ Service ❑ 6. API Number: 50-029-23469-00-00 7. Property Designation(Lease Number): ADL 0047453 8. Well Name and Number: PBU Z-34 9. Logs(List logs and submit electronic and printed data per 20AAC25.071): 10. Field/Pools: PRUDHOE BAY,PRUDHOE OIL RECEIVED 11.Present Well Condition Summary: Total Depth: measured 13780 feet Plugs measured feet true vertical 8864 feet Junk measured feet JAN Effective Depth: measured 13692 feet Packer measured 9896 feet 1 3 2016 true vertical 8900 feet Packer true vertical 8483.08 feet O GCC Casing: Length: Size: MD: TVD: Burst: Collapse: Structural Conductor 80 20"94#H-40 40-120 40-120 1530 520 Surface 3140 9-5/8"40#L-80 40-3180 40-3141 5750 3090 Intermediate See Attachment See Attachment See Attachment See Attachment See Attachment See Attachment Production Liner 3759 4-1/2"12.6#13Cr8 10019-13777 8588-8865 8430 7500 Perforation Depth: Measured depth: See Attachment feet True vertical depth: See Attachment feet SCANNEi .. �r 9 . Tubing(size,grade,measured and true vertical depth) 4-1/2"12.6#13Cr80 35-10020 35-8589 Packers and SSSV(type,measured and See Attachment See Attachment See Attachment true vertical depth) 12.Stimulation or cement squeeze summary: Intervals treated(measured): 10390'-11916' Treatment descriptions including volumes used and final pressure: 36 Bbls 60/40 Methanol/Water,198 3%NH4CL,101 Bbls 12%HCL Acid,96 Bbls 9:1 Mud Acid,385 psi. 13. Representative Daily Average Production or Injection Data Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure Prior to well operation: 535 121 605 1353 288 Subsequent to operation: 708 692 1338 1362 374 14.Attachments:(required per 20 MC 25.070.25.071,&25.283) 15.Well Class after work: Daily Report of Well Operations 0 Exploratory ❑ Development 0 Service 0 Stratigraphic 0 Copies of Logs and Surveys Run 0 16.Well Status after work: Oil 0 Gas 0 WDSPL 0 Printed and Electronic Fracture Stimulation Data 0 GSTOR ❑ WINJ 0 WAG 0 GINJ 0 SUSP 0 SPLUG 0 17.I 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 Contact Catron,Garry R(Wipro) Email Garry.Catron@bp.com Printed Name Catron,Garry R(W�iippro) �( Title PDC Principal Engineer Signature C� J �\ Phone +1 907 564 4424 Date 1/13/16 / RBDMS'JAN 15 2016 Form 10-404 Revised 5/2015 VT` 17 .z-d ` Submit Original Only • • m o 0 0 0 0 0 mNO) N '— OO O O (f) L() c CO N- U y 0 0 0 0 0 0 L CO (.0 O CO CO 3 (0 f— — N V' m r t.() CO I� (70 (70 r LC) O) ON '— N CO CO st I� CO LO co co QO Co H co O O N- — CO (0 V CO t (n CO CO CD CO I- O O N- N- N M O M O N- C) 2 1 1 1 O H 0- O O \ L L O O M co Jooaov N �$ J J •� O O N N C N N ()) 00 r r ON N N r r � V L CaO M in (70 C co r ' N. O) J CO O_ CO O) W w Q Q �0 _ Waa •NUUww 0 O � r Z Z c W W W m H H D 0 � Z UCAZZ � H • • 0 0 0 CO M M O r` CO CO O Cfl CD CO c O r` 00 M M 00 M N- LL Q 00 O O N Ni O M N- LU N- o 0 t- O c— N O 00 LU s— O h O 0) 0) O O O O C) O) O) O 0) 00 00 O) 0) 0) 0) 00 CO 00 CO O H Q O CS) N v— 00 LON- v- up Jr CA CO M 00 M U0 N CO V C. Lo 00 N O N r- M , 0 CO v— CO v— N v- O 0) N v- LO W 0 00 CA O) O O O O O Cn CA Cn 0 00 CO 00 CA O CD O 00 CO OO OO 0 2 w 0 � w 0 0 ww O w 0 D- I— °' ggY " ° 0 m 00W Y Y g cn= 00000000L00000 J O O W W i+ NM CO LO V' Ln O M W = M J J J ¢ ¢ (n Lf) CO N- O N Lc) O N N- ¢ ¢ ¢ w O O_ C7 J C7 C 0 0 0 0 0 r N N N 0 0 0 J W W 0 J J O 222 o J J 2 0 0 Lu 0 W i Z O Z 2 2 2 0 cn cn ¢ c i ¢n Q N 00. 0 C D s o00ooDooL000 Q0) LO ) ) OM (0 V cern O O O O O O N M C) O CV N E a N = = = = = = = r r 0 L a� O 2 rYcn Y 0 0 C./) Et O cn cn W cJn W a) a a 0 0 c .c2CCWWWfX [tr2CW iu W W W W W W W W W W W `m W W W d W M W M W d M Q 0 C) m a a) iu N N N N N N N N_ N_ N N0 r = r 0 0 0 0 0 0 0 0 0 0 0 0 W Z O N N N N N N N N N N N Z ¢ W Q 0 O W Z J O W LULL W OQ M M M M M M M O O O O m 0 0 w J J J 0 uj w ¢ ¢ 0_ u) LL w I¢1 O E z m v v v m m v v v - C'7 M M M M ch M M M M M m d 0 d 00 J O O W a N N N N N N N N N N N ¢ ¢ m m w U m m ct • • D 0) v ° H c c`o • Q 2 J U 0 -Cs m co p d m co 0 = i.") Q c o u' r >, Q Q U E Z� a) v Y N vs 0) a) - 2 O ; 0 w O J J J J m 0 2= co , >,,.- O O O O ai c 3 a) ° C > °Et cn C 0 ( (0 (, c L a) M M CO CO O NO0,5 � O N Cs)73 • U U c c 3 J N N 2 C a o (o CO 05 C O J -J J N D LO =----- 00 SZ- o 3 C z E 7 +-% a) 2 E - C CD = O a " C - Y ,C Y Q tz= 3 a O O U a) 0 0 0 0 as as as as E o 4-- -0 O ( CU .- -5 2 Co a co8E _0 _0 Q O 3 3 3 3 U u) - o Do is � _0m 0-U 0 0 0 0 - _ co 0) - 0 D CC L O o Oo (z= r, as (fl L7 � � - - - pNp - U � = o ff 0 °) mo ¢ 0 0 0 < N < U 0) _ m p = ° rn 0 = L .CU• 0)LU cca .- a) m CU 2Nc) `m O O O OcO 0 E ° - O E 3 o c ma) -cu 0 u_ u � � .0 E .c O co m a) ca - - , a)o o a) U 0 (a 't a) 3 3 3 3 c 3 2 O) a) O3c a) ° U CO W IDM = -3 co (n 0 ° E H D H H °) Hcco 0 O � ,- �i To' o U ID Q) U � U � U � U cU Ca Q as O ca. c (o = 0 in = ) = i) = i) C (1) 3 E c1'f -9 0 N � C E C O C o O () p) cn p in s in ° 'u) 0 E a) G1 co ca o CL c U D Q � QNQNQUQ m w CL 0 N N N • J 2 C1't N > N W .-. o N O co ) = - u) - (1) ,- U) .- p C 3 3 Li -0 o w o E 0 r E 0 - c - c ' c N N O t M 0 o C ai Q Cl) CU - O c o a ° ° 0 c 0 ._ w o m o_ 0 C m a) ° w a).- `t • a > ° � � � � c 0) 0_ (/) 0 Wim ( CCa Q. � � a z Qo � � Q � ° CU 0 m o � o � o � � � � O ° � 0 Lo _0 CD O ,- co o `� � EE _ • O o :° 3 0) 0) E ,_ o a) a) .Q- ° ri o in o w 4.E2'. o f >+ o (- _ a) c o d a) i0 ) o m _c (3) -° m -0 ° -O O 4) '� -� C O -0 E D E .0 c Tio_ m o 0 S 0 D 0 D a) o co Q — O as 7 O Q Q -0 a) C o N * ai .E (o E co ._E a) .E ch E ID O 0 0 Cao 2 E a) ° _, (n * c c c c c N , n U o o J o 0)CO a* H al o c 0 a) ° rn ° rn 0 E ° J o f 0 Cn � = CU co E Z a) (n U a) Ct fl__) 0 0 a) U (T U 0)* (o U o U (2 c w a) -a ti 0 = `gip c cn � I- S2 ' a: O-* a* a* U * Y O __ co U_ U -o a Q o o in J 0 c �_ . 0 CD m CD m Q N ° 3 3 U J Q CO L O (7) ... `.- E U C C C C C C C C C m --1 o U -° .# 3 LLL CO 2 = a) a. * 0 O 0 0 CO D D CUD Co D c0 D MD >- O O U - = 2 z H = D OO E coo * I- 01-- DCN E ? � � � � � �_ � �_ � _O Li m o cYiZ H - C.zC = acAa. * O v U * 0_ - Ce = W = Q' = W > CD - o N 0 LL CO U a. .2 c2 71- N * J Y J Y J Y J Y J d 0 O = (n M p = C) to LU Cf) In Cn LO In O O O O O O O CO co O r N 0 0) CCO O COO O 0 CO = (O N Q O O _ A- a- = N N N m N Cn CO N _ _ N N N N N N N _ 114.L= 4-1/16" IIII � VUELLFEAD= FMC SAIY NOTES: W ELL ANGLE>70°@10597'"' >NfTU g gF�%_ j_ PJC DRAFT Z-34 4-1/2"CHROMETBG& LNR BF.ELEV= 56.1' [I KOP= 407' Max Angle= 114° 13688' , II —,4-112"HES X NP,D=3.813" Datum AID= 10407' Datum TVD= 8800'SS GAS LIFT MA ST MD IVO DEV TYPE VLVNDRELS LATCH FORT DATE 20"CONDUCTOR 94#,H-40,ID=19.124" —{ 80' 6 3315 3274 11 KBG2 DOME BK 16 01/04/13 5 5923 5445 44 KBG2 DOME BK 16 01/04/13 9-5/8"CSG,40#,L-80 BTC,D=8.835" --I 3180' 4 7702 6699 48 KBG2 DOME BK 16 01/04/13 L 3 8401 7207 33 KBG2 DMY BK 0 09/14/12 2 9016 7732 31 KBG2 DONE BK 16 01/04/13 1 9836 8431 30 KBG2 SO BK 24 09/26/14 Minimum ID = 3.725" @ 10011' 4-1/2" HES XN NIPPLE I 1 9870' —14-1/2"FES XNIP,D=3.813" X 9900' —17"X 4-1/2"HES TNT FKR,D=3.856;1 I I 9935' —14-1/2"FES X NP,D=3.813" 7"CSG,26#,L-80 VAM TOP HC XO TO L-80 BTC H 10010' X I ' X 10011' —14-112"FES XN NP,D=3.725" 10019' H7"X 5"BKR ZXP LTP w/10'T1EBK,D=4.250" TOP OF 4-1/2"LNR H 10019' i 10024' --{4-1/2"WLEG,ID=4.100" 4-1/2"TBG,12.6#,13CR-80 VAM TOP, — 10023' —ELMD TT NOT LOGGED 0152 bpf,D=3.958" 10039' H7"X 5"BKR FL (-LOCK LNR HNR,D=4 3f,^ — 7'CSG,26#,L-80 VAM TOP HC, 10176' II Nah>\ 10052' --15"X 4-1/2"XO,ID=3.90" .0383 bpf,D=6.276' PERFORATION SUMMARY REF LOG: '?'7? ANGLE AT TOP FRE:550 @I 10390' Note:Refer to Production DB for historical perf data SIZE SPF" INTERVAL Opn/Sqz DATE 2-7/8" 6 10390-10430 0 09/12/12 15< ?� 2-7/8" 6 10450-10560 0 09/12/12 Cg — 11913' —{UNKNOWN OBSTRUCTION(12/15/15) 2-7/8" 6 10590-10650 0 09/12/12 2-7/8" 6 10690- 10740 0 09/12/12 2-7/8" 6 11000- 11050 0 09/12/12 HES HYBRID SWELL PACKER 2-7/8" 6 11230-11290 0 09/12/12 NO SIZE TOP DEPTH MN D 2-7/8" 6 11310-11430 0 09/12/12 6 6 11604 3.95$" 2-7/8" 6 11460-11585 0 09/12/12 E 5 6 11910 3.958" 2-7/8" 6 11945-12010 0 09/12/12 4 6 3 6 12252 3.958" 2-7/8" 6 12060-12230 0 09/12/12 12558 3.958" 12846 3 958" 2 6 2-7/8" 6 12590-12710 0 09/12/12 1 6 13047 3.958" CS SI I4-1/2"LNR 12.6#,13CR-80 VAM TOP, — 13778' PBTD —I 13692' I(-0152 bpf,ID=3.958" • .,. ............ DATE REV BY COMMENTS DATE REV BY COMMENTS PRUDHOE BAY MT 09/15/12 025 INTIALCOMPLETION 12/21/15 IIWJMD OBSTRUCTION(12/18/15) WELL: Z-34 09/14/12 PJC DRLG DRAFT BOLD PERMT No: 2120610 09/18/12 PJC DRLG DRAFT CORRECTIONS API No: 50-029-23469-00 10/06/12 PJC 9-5/8"CSG CORRECTION SEC 19,T11 N,R12E,989'Ft'L&2402'FWL 01/17/13 GJF/JMD GLV GO(01/04/13) 10/03/14 JPlAJMD GLV GO(09/26/14) BP Exploration(Alaska) � � 0 • 4 Vcu cu 47- a� Q'-' a L o I¢ oO 1- v oAp s CW7 i Z F- C7 O Z O 2 o O ro O aN W U a u �., > E •j O J M,C0 CO Y O O C ,.O W QTY N Q U Q 0 ra fa > a Q p O l7 .- r o O 0 E m ,.- O t) 0 d a) m s c c 1- 2 O Z p 0 0 0 E �, ro V) F v) c o T r -0 Q a) LO Z Q 0 r M N r C r09 a) a > laltcr U -0 E 0 > I- 0 v U i_' v > o Y 0 0 0 0 0 0 ..-' v L L 0- W J J J J J J co a) y } W W W W W W 0.0 C O 0 '-4 I- IL LL LL LL LL LL '7n a) E \O N co I- < < < < < < c_ o c 0 0) ' Z Z Z Z Z Z _ ti C LL LL LL LL LL LL U0 U 5 •— a y _v > aL-' ,%,-, 5 Y a 4 O Z E ai v O o an a v Y -a ,� U )-, o c 0 _0 c .-. 0 P a.) a) - _a F- > > c al Ui0 vvi > I- LL LL y alio ° � � C 0 re ce U J CL J a s '� N 0 0 co 0 U a \ W PQ V cel _i 1-4 Lu \ 0 co !Z 0 f i ,c) (n . .G x O i C, , Zi x I. 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E W w orn u; a�'i U J a) co a m o Z 0 00 o co CC p N N coy O J 0 m r J m 7 E � o � a. w° IL0 vJ c 2 0 0 Mo 5 o o CO G N m 13. N N E Q V = Z ol >- >- >- `a ~ N _ Cl) E Z _ o N co m ''Qct 03 • 63 d p ayi E w 3 O a> t c '8 N I Cl) = m CO .0 a> c �. A ? p c c 0 Q re 4 c 0 To v am`) 1 i lail m c c a �_ Q a U m O �— o , �A Q Z -) rn 2 a) m i �,j E U m p i` ill _z m v a` = co as m` co co co co a) N m -a m N N N 1 p p am0 0 0 0 c Q ,. co To :.a I :° :° w :° c Z co :rn Err rn rn :rn orn rn a p p J p p 0 • p W / _ / mV V V to N / o CD N N N N N N N Ma) N N N N N N N d W `0 0 N N 3' a) Ce U C rn > E Z aai �+ Z O N-N- CO Z O c F- m isi a) O Q o o c c U U 0 0 0 U c y __ E a 0 a 0 0 `a) 0 0 0 o 0 0 0 0 y OIL o 2 aoi o 0 a 2 W W J W UJ W w ? 0 a 0 1 0 0 1 Drilling&Measurements2'013 a. 1 .. (Q I 2525 Gambell Street.Suite 400 Anchorage AK 99503 `_ ? `'' �` Schlumberger Tel(907)273-1700 '�i r Fax(907)561-8317 t Date: May 22,2013 Well Name: Z-34 Company: BP Exploration(Alaska),Inc. API Number: 50-029-23469-00 AFE Number: X3-0115J-C:DRILL Location: X=600,125.840 US Feet;Y=5,959,100.130 US Feet Field: Prudhoe Bay Unit-WOA Rig: Doyon 25 Drilling and Measurements Field Support: Operations Manager, Mario Pepe Field Service Manager, Brian Muzny Drilling and Measurements Field Crew: Cell Managers, Carlos Ilizaliturri Jessica Dake Cell Engineer, Elena Greblova Marina Pichamoni SERVICES PROVIDED Z-34 Services Services Dates Depth Intervals Directional Survey Service 12-Aug-12 to 03-Set-12 120 feet to 13780 feet TeleScope*Direction&Inclination 13-Aug-12 to 27-Aug-12 314 feet to 10181 feet VISION*(Resistivity,Gamma Ray) 13-Aug-12 to 03-Set-12 314 feet to 13780 feet VISION*(Neutron,Density Azimuthal) 22-Aug-12 to 03-Set-12 3229 feet to 11379 feet OPERATING STATISTICS Total MWD Pumping Time: 269.90 hours Total LWD Pumping Time: 269.90 hours Total MWD Time Below Rotary: 337.92 hours Total LWD Time Below Rotary: 337.92 hours Total MWD Depth Interval: 13466 feet Total LWD Depth Interval: 13466 feet Total MWD Runs: 3 Total LWD Runs: 3 Total JOB PERFORMANCE Directional Z-34 The final MWD survey point was located at 13727.97 feet with an inclination of 114.14 degrees and an azimuth of 186.89 degrees. This direction and inclination was projected from the final survey point to TD, which resulted in the following bottom-hole location. Measured Depth: 11379 feet True Vertical Depth: 8863.78 feet 1 Schlumberger Formation Evaluation 12-1/4 inch Surface Section. The surface hole section of the well was drilled from 120 feet to 3229 feet MD in two runs. A motor was used for directional control during the runs. Resistivity, Gamma Ray and APWD data were supplied in real-time and from memory once the tools were retrieved. The final measured bottom-hole temperature was 105.1 degrees Fahrenheit. 8-3/4 inch Intermediate Section The intermediate lateral section of the well was drilled from 3229 feet to 10181 ft MD in one run. A motor was used for directional control during the run. Directional Resistivity, Gamma Ray, Azimuthal Density, and Neutron data were supplied in real-time and from memory once the tools were retrieved. The final measured bottom-hole temperature was 160.68 degrees Fahrenheit. 6-1/8 inch Production Section The production lateral section of the well was drilled from 10181 feet to 13780 ft MD in one run. A motor was used for directional control during the run. Directional Resistivity, Gamma Ray, Azimuthal Density, and Neutron data were supplied in real-time and from memory once the tools were retrieved. Measurement After Drilling (MAD Pass) was done from TD up to 10050ft MD. The final measured bottom-hole temperature was 183.20 degrees Fahrenheit. Schlumberger Oilfield Services — Drilling & Measurements appreciates the opportunity to provide BP Exploration(Alaska)with MWD and LWD services. Sincerely, Carlos Ilizaliturri MWD/LWD Engineer Schlumberger Drilling&Measurements 2 �� s~~te,~ �� _ ~~ �, ' 8�� /mAY 3 � ?C�' Schiumberger ,�� Drilling&Measurements MWD/LWD Log Product Delivery AD,"1 ( 11 Customer BPXA Dispatched To: Christine Shantzor(AOGCC) Well No Z-34 Date Dispatched: 23-May-13 Installation/Rig Doyon 25 Dispatched By: Jessica Dake/Carlos Ilizaliturri Data No Of Prints No of CDs 1 Surveys 2 Perform Letter 1 Logs: VISION Service MD 2in 9609 to 15778 1 PDF included VISION Service TVD 2in 9609 to 15778 1 PDF included LAS Digital Data Please sign and return to: Analisa Steger Received By: opExploration(muoka)Inc. pntrnmoomoo/Data Center 02'1> mmE.Benson Blvd. Anchorage,Aiaska 99508 Fax:907-564-4005 e-mail address:anaiisa.stegerbp.com LWD Log Delivery V1lLO1/22Y2010 bp Date 14-DEC-2012 Transmittal Number: 93270 it) * BPXA WELL DATA TRANSMITTAL DEC 14 2012 Enclosed are the materials listed below. AOGCC (BPXA FIELD LOG DATA) If you have any questions,please contact Doug Dortch at the PDC at 564-4973 Delivery Contents 1 CD-ROM Containing Field Log Data & Electronic Log Prints for the following wells: B-27B '2i 2 k3'7,2 2 ' C-03C j C-03CPB1- C-09B Z\Z Q( �)` _2_5S/ C-09BPB 1 C-24B v\'2:0(... 122_76 C-24BPB1 S-12B -2..'2-l\\ )12-2-11 r2- , S-32A 21 .2- S-32A Z\Z( c61_ S-37A 2\2 �Z.,2-2`C- S-37APB1 -3 Z-34 ?AZ-0G)l )2.-2- 6-1 C'J 44tate. D A7) U' 1 137 Please Sign and Return one copy of this transmittal. Thank You, Doug Dortch Petrotechnical Data Center Attn: State of Alaska -AOGCC Attn: Christine Shartzer 333 W. 7th Ave, Suite 100 Anchorage, Alaska 99501 Petrotechnical Data Center LR2-1 900 E. Benson Blvd. PO Box 196612 Anchorage,AK 99519-6612 McMains, Stephen E (DOA) From: Lastufka, Joseph N [Joseph.Lastufka@bp.com] Sent: Monday, November 19, 2012 2:58 PM To: McMains, Stephen E (DOA) Subject: PBU Z-34/PTD#212-061 Hi Steve, Please reference the following well: Well Name: PBU Z-34 Permit#: 212-061 API #: 50-029-23469-00-00 Date of Test: 10/20/12 Type of Test: IPT (Initial Production Test) Choke Size: 95 Choke Unit: Degrees Production Method: Gas Lifted Duration (Hours Tested): 12 Top Reference (Top Perf MD): 10390' Bottom Reference (Bottom Perf MD): 12710' RRrMS NOV 2 0 2012 Tubing Flowing (Pressure): 300 ;` Casing Pressure: 1240 Total Test(Rate f/O, W, G): 1717/ 1314/208 24-Hour Rate (0, W, G): 3433/2627/416 Gravity (Oil, API): 23.9 GOR (Gas-Oil Ratio): 765 This well began Production on Method of Operations on this date: October 21, 2012 1 0 r; m .• :f O O O O O O O O O O O O O O O O O O O y b 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Oq:,.... U f1 Q V ci: r rt ;1/1 ) 40 (.t d2 - b. f,`A 4, 4J 0 c:) U cn O c O U, _3e v N m O w �v. _ m U 0 : '^ s a' =, N N N N N N NN N N N N N N N N N N N CO Y cu in 1%0 Z r4 Q N. a :L m 3 y d to at 7 m a. o a. 3 u a m U ma) 7 m a) ^ o ( .., Q u) O to Q ca 0 u) Q 0 0 c 0 n a u) CO�+ N r CZ 1-4 Cn '; 'L, U1 N 099 N 1n In O• CO r n N aA an et M N a) U C CO b r T e- I- N � X a 0 Q t-:-........u,,,,, -0)-tlit-li riTti re gn 0 Z a O c9 O CD 0 I ° 3 z z = o 0 0 0 th. O rx o � ao- w20 � I- oo u. u. u. 0000 W ~ O O Z a. 0 a w a r. a a a w LL w -' N au3 = mreC3Co �:� LC � ra,Q0 0 Y 3 j_. .1110000 Y U- 0000 Y 3 Y 1- iz Q O = 2 m w / w W 0 2 2 2 2 W f- W eA a. uJ 0 u_ al r ill uJ LLi.w N • 0N1 > GI 0 Z VI z u OL'n Z W 111 X X X X X X X X X X X X; X X X X.X X 14 Q oQC cc _ 0 1 0 t : O p CA +� `v •` .4. B[) a CO c an�:B� a:R18•W Bn 'a• ah c'm' el . C �' M a") el B® �' a� 40 mr I) a, <') BW'an B") B® on Bp BA 0 CO, 0 0 a a O a aa a a a,a a aia a'.a a!a a T C ':� '� 9 a 9'® 9'-7 '91® 9 � a Q�aia ®;a 0'O ® Q -5 pMI, a, v' 00 °� 0C1Qs0O - ' ( OO 04 (.94 o c" t -s s Z"7 Z �:a;a Z'ffi'Z of ala 9C>a 0P1 -) �l! - Ike .. u� 1`0 22 h > cs m cn a ''' F. oe Q Q , r = `1 D Q a. > OD �' w Effi a Q 0 a� 40 t� N.a ate' = N 0) 0) -j s gni) Nan es a o _ O to a 41 4 o ale r:co N 0 ) Ce c � > a N N P , a C I C% e7 L- 2 v c6 '� mo i' -2 a U' d3 ® � P aa_ U > �' a tj d v U m o 1 C'? tA l t a = 1c1 In..., E. Q : co d 0 u �d, is 0 - c r. X a 0) m O0i c 1n c.' e� c ..�, - nG.0GI V L..v . OCT 0 9 2012 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION AOGCC WELL COMPLETION OR RECOMPLETION REPORT AND LOG la Well Status: kOil 0 Gas 0 SPLUG 0 Other 0 Abandoned 0 Suspended 1b. Well Class: 20AAC 25105 20AAC 25110 . 'Development 0 Exploratory 0 GINJ 0 WINJ WAG 0 WDSPL 0 Other No.of Completions One Service 0 Stratigraphic 2. Operator Name: 5.Date Comp,Susp.,or Aband.: 12 Permit to Drill Number: BP Exploration (Alaska) Inc. 9/14/2012 • 212-061 • 3. Address: 6. Date Spudded' 13 API Number: lf P.O. Box 196612,Anchorage,Alaska 99519-6612 8/13/2012 ' 50-029-23469-00-00 • �i 4a. Location of Well(Governmental Section): 7 Date T D.Reached: 14. Well Name and Number �/ Surface: 9/3/2012 ' PBU Z-34, e 1 4292' FSL, 2552' FEL, Sec. 19,T11 N, R12E, UM • 8 KB(ft above MSL): 95.65' • 15.Field/Pool(s): Top of Productive Horizon: 954' FSL, 165' FEL, Sec. 19,T11 N, R12E, UM GL(ft above MSL). 56.1' . Prudhoe Bay/Prudhoe Bay • Total Depth. 9. Plug Back Depth(MD+TVD): 2310' FNL, 651' FEL, Sec.30,T11N, R12E, UM 13692' 8900' • 4b. Location of Well(State Base Plane Coordinates,NAD 27) 10.Total Depth(MD+TVD): 16. Property Designation: • Surface. x- 600126 • y- 5959100 ' Zone- ASP4 • 13780' 8864' • ADL 028262&047453 TPI: x- 602570 y- 5955796 Zone- ASP4 11.SSSV Depth(MD+TVD) 17. Land Use Permit Total Depth:x- 602140 y- 5952525 Zone- ASP4 None 18. Directional Surve Y ®Yes ❑No 19 Water depth,if offshore: 20. Thickness of Permafrost(TVD): (Submit electronic and printed information per 20 AAC 25 050) N/A ft MSL 1860' 21. Logs Obtained (List all logs here and submit electronic and printed information per 20 AAC 25 071): 22. Re-Drill/Lateral Top Window MD/TVD: MWD/GR/RES, MWD/GR/RES/NEU/DEN, USIT, MWD/GR/RES/NEU/DEN N/A 23. CASING,LINER AND CEMENTING RECORD SETTING DEPTH MD SETTING DEPTH ND HOLE AMOUNT CASING WT.PER FT. GRADE TOP BOTTOM TOP BOTTOM SIZE CEMENTING RECORD PULLED 20" 94# H-40 Suface 80' Surface 80' 42" 260 sx Arctic Set(Applrox.) 9-5/8" 40# L-89 36' 3206' 36' 3167' 12-1/4" 2248 sx DeepCrete, 288 sx Class'G' 7" 26# L-80 38' 10176' 38' 8725 8-3/4" 662 sx LiteCrete, 196 sx Class'G' 4-1/2" 12.6# 13CR80 10019' 13778' 8588' 8865' 6-1/8" 340 sx Class'G' 24. Open to production or Injection? ®Yes 0 No 25. TUBING RECORD If Yes, list each interval open SIZE DEPTH SET(MD) PACKER SET(MD/ND (MD+TVD of Top&Bottom;Perforation Size and Number): ) 2-7/8"Gun Diameter,6 spf 4-1/2", 12.6#, 13Cr80 10024' 9900'/8486' MD TVD MD TVD 10390'-10430' 8886'-8908' 12060'-12230' 8914'-8906' 26. ACID,FRACTURE,CEMENT SQUEEZE,ETC. 10450'-10560' 8919'-8971' 12590'-12710' 8951'-8978' 10590'-10650' 8982'-9001' DEPTH INTERVAL(MD) AMOUNT AND KIND OF MATERIAL USED 10690'-10740' 9011'-9020' �;iPL I i0 2000' Freeze Protect w/78 Bbls Diesel 11000'-11050' 9022'-9023' i • 11230'-11290' 9011'-9004' 11310'-11430' 9002'-8980' { r,`f lEa } 11460'-11585' 8974'-8954' 11945'-12010' 8924'-8917' 1 . ;.. 27. PRODUCTION TEST Date First Production: Method of Operation(Flowing,Gas Lift,etc.): Not on Injection N/A Date of Test Hours Tested: Production For OIL-BBL' GAS-MCF' WATER-BBL: CHOKE SIZE' GAS-OIL RATIO. Test Period Flow Tubing Casing Press. Calculated OIL-BBL. GAS-MCF. WATER-BBL. OIL GRAVITY-API(CORR). Press. 24-Hour Rate 28 CORE DATA Conventional Core(s)Acquired? 0 Yes ®No . Sidewall Core(s)Acquired? 0 Yes 0 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 RBDMS OCT 10 2012 Pr'. ' ,'7 Form 10-407 Revised 12/2009 CONTINUED ON REVERSE z .Z p./5 S2ub�mit riginal Only G 29. GEOLOGIC MARKERS(List all formations ar'1 markers encountered)* 30 FORMATION TESTS NAME ,D TVD Well Teste( ]Yes ®No . Permafrost Top 40' 40' If yes,list intervals and formations tested,briefly summarizing test Permafrost Base 1916' 1900' results Attach separate sheets to this form,if needed,and submit detailed test information per 20 AAC 25.071. Ugnu 3258' 3218' None Schrader Bluff N 4443' 4352' Schrader Bluff 0 4658' 4532' Base Schrader Bluff 5141' 4890' HRZ 7375' 6475' Kalubik 7740' 6725' Kuparuk C 7767' 6743' LCU/Kuparuk A 7840' 6792' Miluveach 7902' 6835' Kingak 8749' 7506' Sag River 10172' 8721' Shublik 10203' 8748' Eileen 10332' 8850' Ivishak/Zone 4 10392' 8887' Eileen(From Base) 13780' 8864' Formation at Total Depth (Name): Eileen(from Base) 13780' 8864' 31.List of Attachments: ' Summary of Daily Drilling Reports,Well Schematic Diagram, Surveys t 1 ) 32. I hereby certify that t - . '-going i - . c,rrect to the best of my knowledge. / /Q Signed. Joe Lastufk. Title. Drilling Technologist Date: 16l I I�,*� v PBU Z-34 212-061 Prepared By Name/Number Joe Lastufka, 564-4091 Well Number Permit No./Approval No. Drilling Engineer Kris Hones, 564-4841 INSTRUCTIONS General. This form is designed for submitting a complete and correct well completion report and log on all types of lands and leases in Alaska. 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. Item 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. Item 13: The API number reported to AOGCC must be 14 digits(ex 50-029-20123-00-00) Item 20: Report true vertical thickness of permafrost in Box 20 Provide MD and TVD for the top and base of permafrost in Box 28. Item 23: Attached supplemental records for this well should show the details of any multiple stage cementing and the location of the cementing tool. Item 24: If this well is completed for separate production from more than one interval(multiple completion),so state in item 1,and in item 23 show the producing intervals for only the interval reported in item 26. (Submit a separate form for each additional interval to be separately produced, showing the data pertinent to such interval). Item 27. Method of Operation: Flowing,Gas Lift,Rod Pump,Hydraulic Pump,Submersible,Water Injection,Gas Injection,Shut-In,or Other(explain). Item 28: 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 Item 30. 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 12/2009 Submit Original Only TREE= 4-1/16" WELLFEAD FMC Z-34 SAF TOTES: W ELL ANGLE a 70°@ 10697'*** ACTUATOR= 4-1/2"CHROME TBG& LNR KB.ELEV= 95.65' may BF.ELEV 56.1' PJC DRAFT 1 [ KOP= 407' Max Angle= 114°@13688' ' ' 2002' —14-1/2"FSS X NP,D=3.813" Datum MD= 10407' Datum WD= 8800'SS GAS LET MANDRELS 20"CONDUCTOR 94#,1+40,ID=19.124" H 80' ST MD TVD DEV TYPE VLV LATCH FORT DATE 71 6 3315 3274 11 KBG2 DCK 60< 09/14/12 5 5923 5445 44 KBG2 DMY SBK-2C 0 09/14/12 0-5/8"CSG,40#,L-80 BTC,D=8.835" 3206' LI 4 7702 6699 48 KBG2 DMY SBK-2C 0 09/14/12 ` 3 8401 7207 33 KBG2 DMY SBK-2C 0 09/14/12 iJ 2 9016 7732 31 KBG2 DM' SBK-2C 0 09/14/12 Minimum ID = 3.725" @ 10011' 'r — 1 9836 8431 30 KBG2 DW SBK-2C 0 09/14/12 4-1/2" HES XN NIPPLE T�� I 9870' 4-1/2" Sxr ,D=3.813' CC° 9900' —IT X 4-1/2"HES TNT PKR U=3.856" G(S I7--L ' I 9935' —j 4-1/2"HES X NP,D=3.813" I 7"CSG,26#,L-80 VAM TOP HC XO TO L-80 BTC H 10010' ?< IIIw '� 10011' —14-1/2"FES XN NP,D=3.725" 10019' HT X 5"BKR ZXP LTP w/10'T1l�K,D=4.250" TOP OF 4-1/2"LNR H 10019' i 10024' H " MEG,ID=4.100" 4-1/2"TBG, 12.6#, 13CR-80 VAM TOP, H 10023' HH MD TT NOT LOGG® H .0152 bpf,D=3.958' ` 10039' 74-.1x125" -BKWIT FLOC-LOCK LNR HNR D=4.35' 7'CSG,26#, L-80 VAM TOP HC, H 10176' S 10052' H 5"X 4-1/2"XO,ID=3.90" .0383 bpf,D=6.276" 1 PERFORATION SUMMARY REF LOG: ????? ANGLE AT TOP PERF:55°@ 10390' / Note:Refer to Production DB for historical perf data X11' SIZE SPF INTERVAL Opn/Sqz DATE 45)0 (kfr FEB HYBF D SWELL PACKER 2-7/8" 6 10390-10430 0 09/12/12 ` 2-7/8" 6 10450-10560 0 09/12/12 1) NO SIZE TOP DEPTH NVNI ID 2-7/8" 6 10590-10650 0 09/12/12 6 6 11604 3.958" 2-7/8" 6 10690- 10740 0 09/12/12 5 6 11910 3.958" 2-7/8" 6 11000-11050 0 09/12/12 4 6 12252 3.958" 2-7/8" 6 11230-11290 0 09/12/12 3 6 1112212:51820 2558 3.958" 2-7/8" 6 11310-11430 0 09/12/12 g 2 6 12846 3.958" 2-7/8" 6 11460-11585 0 09/12/12 F}s. SQ 1 6 13047 3.958" 1 2-7/8" 6 11945-12010 0 09/12/12 2-7/8" 6 12060- 12230 0 09/12/12 2-7/8" 6 12590-12710 0 09/12/12 ! 4-1/2"LNR 12.6#,13CR-80 VAM TOP, H 13778' .0152 bpf,ID=3.958" .4Ma/ PBTD H 13692' DATE REV BY COMMENTS DATE REV BY COMMENTS fRUD OE BAY UNIT 09/15/12 D25 INITIAL COMPLETION WELL Z-34 09/14/12 PJC DRLG DRAFT BULD PERMIT No:'2120610 09/18/12 PJC DRLG DRAFT CORRECTIONS API No: 50-029-23469-00 SEC 19,T11 N,R12E,989'FTC&2402'FWL BP Exploration(Alaska) BP AMERICA LOT / FIT Summary Well Name: Z-34 Surface Leak Off Test Test Test Depth Test Depth AMW Pressure Pressure EMW Date Type (TMD Ft) (TVD Ft) (ppg) (psi) (BHP) (psi) (pp9) 08/21/12 LOT 3,249.00 3,082.18 9.00 772.00 2,213.00 13.82 08/30/12 LOT 8,728.98 10,175.98 8.60 1,667.00 5,566.70 12.28 ✓ Page 1 of 1 -North America-ALASKA- BP .� Page 1 of 26 Operation Summary Report Common Well Name:Z-34 AFE No Event Type: DRL-ONSHORE(DON) Start Date:8/7/2012 End Date: 9/5/2012 X3-0115J:DRILL(9,215,885.00) Project:Prudhoe Bay Site:PB Z Pad Rig Name/No.:DOYON 25 •Spud Date/Time:8/13/2012 12:01:00AM Rig Release: 9/15/2012 Rig Contractor:DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date I From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 8/7/2012 12:00 - 00:00 12.00 MOB P PRE PREP FOR RIG FOR RIG MOVE LOWER DERRICK,SLIDE FLOOR SEPERATE RIG MODULES AND PREP FOR RIG MOVE TOOL SERVICES MOBIZING RIG MATS FOR MOVE. 8/8/2012 00:00 - 06:00 6.00 MOB P PRE SEPERATE AND SPOT RIG MODULES FOR RIG MOVE RIG DOWN AND PREP RIG FOR MOVE TOOL SERVICES SPOTTING RIG MATS FOR RIG MOVE 06:00 - 16:30 10.50 MOB P PRE CONTINUE SPOTTING MODULES FOR RIG MOVE WAIT FOR TOOL SERVICE TO FINISH WITH RIG MAT PREP WORK 16:30 - 00:00 7.50 MOB P -- PRE MOBILIZE THE SUB,CASING SHED AND PIPE SHED MOBILIZE RIG VIA THE SPINE ROAD FROM Y-PAD TO Z-PAD 15 MI WAS NOTED BY THE FIELD ENGINEER THAT PART OF THE SPINE ROAD BETWEEN W AND Z PAD MAY HAVE BEEN DAMAGED FROM RIG -CROSSING RIG MOVE OPERATIONS WERE SUSPENDED UNTIL FURTHER INSPECTION CAN BE DONE. 8/9/2012 00:00 - 09:00 9.00 MOB P PRE WAIT ON ORDERS FROM FURTHER INSPECTION OF THE SPINE ROAD DAMAGE 09:00 - 12:00 3.00 MOB P PRE PJSM FOR CRANE OPERATINS DDI SAFETY REP CH2 CREW AND DDI RIG CREW IN ATTENDANCE PICK ANNULAR DIVERTER AND RISER AND PLACE IN THE BOP DECK 12:00 - 00:00 12.00 MOB P PRE SPOT AND RU SUB AND PIPE SHED ON Z-PAD RU DIVERTER T AND LINES CONT RIGGING UP ON Z-PAD WAITING ON ROAD REPAIR TO MOVE THE REST OF THE RIG MODULES FROM Y-PAD TO Z-PAD. 8/10/2012 00:00 - 12:00 12.00 MOB P PRE CONT RIGGING UP ON Z-PAD WAITING ON ROAD REPAIR TO MOVE THE REST OF THE RIG MODULES FROM Y-PAD TO Z-PAD. 12:00 - 00:00 12.00 MOB P PRE MOBILIZE THE REST OF THE RIG MODULES MOVE THE PIT, POWER AND PUMP SKIDS FROM Y-PAD TO Z-PAD VIA THE SPINE ROAD. REMAINDER OF THE MODULES ARRIVED AT Z-PAD-17:00 SPOTTING MODULES AND RIGGING UP, INSTALLING DIVERTER SECTIONS PREP THE RIG CAMP FOR MOVE TO MOBILE PAD 8/11/2012 00:00 - 06:00 6.00 RIGU P PRE CONT RIGGING UP,FINISH SPOTTING MODULES ON Z-34 MOBILIZE CAMP FROM Y-PAD TO MOBILE PREP WORK FOR WELL SPUD OPERATIONS RIGGING UP SURFACE EQUIPMENT,CONT INSTALLING DIVERTER LINES Printed 10/8/2012 3.18:10PM North America-ALASKA- Page 2 of 26 Operation Summary Report Common Well Name:Z-34 AFE No Event Type: DRL-ONSHORE(DON) j Start Date:8/7/2012 End Date:9/5/2012 X3-0115J:DRILL(9,215,885.00) Project:Prudhoe Bay j Site: PB Z Pad Rig Name/No.: DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release: 9/15/2012 Rig Contractor: DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 06:00 - 12:00 6.00 RIGU P PRE SPOOL DRILLING LINE ONTO DRUM BRIDLE UP AND SCOPE THE DERRICK RU KELLY HOSE NU 21-1/4"SURFACE RISER RIG CONDITION AUDIT PERFORMED BY WSL AND DRILLING HSE RIG ACCEPTED AT 10:00 12:00 - 00:00 12.00 BOPSUR P PRE CONT RIGGING UP SURFACE DIVERTER, TURN BUCKLES,KNIFE VALVE AND HYDRIL OPERATING LINES RU JOES BOX TAKE ON 700 BBLS OF SPUD MUD RAISE THE DERRICK MONKEY BOARD LOAD DRILL PIPE IN THE PIPE SHED RIG EVACUATION HELD: DRILLER CALLED FOR RIG EVAC AND ELECTRICIAN TRIPPED THE ALARM CREW MUSTERED TO THE PRIMARY MUSTER POINT ,AAR:WAS NOTED THAT A ONE PERSON DID NOT MUSTER DUE TO MISCOMMUNICATION LESSON LEARNED WAS TO MAKE SURE WE MAKE CLEAR ANNOUNCEMENTS WHEN ALL ALARM TESTING IS COMPLETE 8/12/2012 00:00 - 06:00 6.60 RIGU ' P PRE SLIP AND CUT 1200'OF DRILL LINE. FINISH RU ON DIVERT LINES FINISH LOADING 4"DP IN SHED -SEAL JOE'S BOX -INSTALL STRIP-O-MATIC. -R/U FLOW LINE. -REMOVE FLOW PADDLES FROM FLOW LINE. -R/U FLOW LINE JETS&HOLE FILL. -R/U DRAIN LINES. -R/U TURN BUCKLES ON STACK. PRE SPUD MEETING 06:00 - 09:00 3.00 RIGU P PRE CONDUCT DIVETER DRILL TEST GAS ALARMS PERFORM KOOMEY DRAWDOWN TEST. -ACCUMULATOR PSI=3050 -PSI AFTER CLOSING 21-1/4"DIVERTER= 2200. -KNIFE VALVE OPENING TIME= 15 SECONDS -ANNULAR CLOSING TIME=43 SECONDS -22 SECONDS TO RECOVER 200 PSI WITH 2 ELECTRIC PUMPS. -57 SECONDS TO RECOVER TO FULL PRESSURE WITH 2 ELECTRIC PUMPS AND 2 AIR PUMPS. -6 NITROGEN BOTTLES AVERAGE PSI=2110 TEST WITNESSED BY AOGCC BOB NOBLE CALIBRATE TOTCO,AMPHION&MWD BLOCK HEIGHT 09:00 - 12:00 3.00 RIGU P PRE C/O SAVER SUB TO 4"XT-39, C/O BELL GUIDE&BACK UP DIES T04" ADJUST KELLY HOSE PICKING UP 4"DP FROM PIPE SHED& BUILDING STANDS TOTAL OF 34 STANDS IN DERRICK Printed 10/8/2012 3:18:10PM North America -ALASKA- BP • Page 3 of 26 Vii'£:* Operation Summary Report Common Well Name:Z-34 AFE No Event Type: DRL-ONSHORE(DON) I Start Date:8/7/2012 End Date:9/5/2012 X3-0115J:DRILL(9,215,885.00) Project: Prudhoe Bay Site: PB Z Pad Rig Name/No.:DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release:9/15/2012 Rig Contractor:DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs 1 Task Code NPT NPT Depth I Phase Description of Operations (hr) (ft) 12:00 - 20:00 8.00 MOB P PRE CONT PU 4"DP MAKING STANDS RACKING BACK IN DERRICK 20:00 - 21:30 1.50 MOB P PRE ICHANGE OUT PS21 SLIP INSERT MAKE UP 6 1/4"DRILL COLLAR STAND ,CHANGE OUT PS21 SLIP INSERTS PICK UP STABILIZER,UBHO,&CROSS !OVERS. IPU HWDP,JARS ADN RACK BACK 1 PUT STRIP 0 MATIC IN JOES BOX AND SEAL 21:30 - 00:00 2.50 MOB P PRE PJSM FOR PICKING UP 12-1/4"SURFACE BHA MAKE UP 9 5/8"1.83 DEG MOTOR,12 1/4" USED MILL TOOTH BIT, UBHO&CROSS OVERS 8/13/2012 00:00 - 03:30 3.50 MOB P PRE CONT PU 12-1/4"SURF BHA RIH TAG UP AT 120' FILL RISER WITH SPUD MUD,CIRCULATE THROUGH HOLE FILL,HAVING SOME DIFFICULTIES PUMPING THE SPUD MUD I WITH THE CHARGE PUMPS RIG UP SPERRY WIRELINE FOR RUNNING GYRO RUN GYRO CHECK SHOT SURVEY TO 45' , (.34)DEG 289.95 AZ 03:30 - 06:00 2.50 MOB P PRE FILL HOLE,CHECK FOR LEAKS,FUNCTION JET LINES.R/U AND TEST ALL MUD LINES TO 4000 PSI.R/D AND BLOW DOWN INJECTION LINES. P/U SINGLE 06:00 - 13:00 7.00 DRILL P ' -. SURF DRILL 12 1/4"SURFACE HOLE FROM 120'MD TO 314'MD -RUN GYRO SURVEY AT EVERY CONNECTION -450 GPM,440 PSI -40 RPM,TQ= 1-2K, -WOB=6-8K -P/U WT=52K,S/O WT=53K.ROT WT=53K 1AST=4.25 HRS,ADT=4.25 HRS,TOTAL BIT 1 HRS.=4.25,ART=0.00 13:00 - 15:00 2.00 DRILL P SURF POOH FROM 314'MD,STAND BACK HWDP, LD UBHO, BREAK BIT BIT GRADE-2-2-WT-A-E-2-NO-BHA 15:00 - 21:00 6.00 DRILL P SURF M/U 12 1/4"SURFACE BHA#2&RUN IN HOLE TO 288'MD NEW 12.25"BIT,1.5 DEG BEND IN MOTOR, _MWD TOOLS,JARS 21:00 - 22:00 1.00 DRILL P SURF CALIBRATE MWD TOOLS AT 600 GPM,765 PSI, GYRO SURVEY AND ORIENT TOOL FACE 22:00 - 23:00 1.00 DRILL P SURF _RIH DRILL 12 1/4"SURFACE HOLE FROM 314'._.. • MD TO 315' FLOWLINE INTERMITTENTLY PLUGGING WORK PIPE AND CIRCULATE WHILE ,TROUBLESHOOTING JET LINES CIRC AT REDUCED RATE,400 GPM WITH 300 PSI,WHILE WORKING JETS TO FREE FLOW LINE. 23:00 - 00:00 1.00 DRILL P SURF CONTROL DRILL, FROM 315'MD TO 342'MD -450 GPM, PSI ON=420, PSI OFF=375 -40 RPM,TQ= 1-2K, -WOB=7-10 K,100%SLIDING 1 -P/U WT=66K, S/O WT=69K. Printed 10/8/2012 3:18:10PM • North America -ALASKA- BP • Page 4 of 26 Operation Summary Report %r Common Well Name:Z-34 AFE No Event Type: DRL-ONSHORE(DON) Start Date:8/7/2012 I End Date:9/5/2012 X3-0115J:DRILL(9,215,885.00) Project: Prudhoe Bay Site: PB Z Pad Rig Name/No.: DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release:9/15/2012 Rig Contractor: DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 8/14/2012 00:00 - 15:30 15.50 DRILL P SURF DIRECTIONALLY DRILL 12 1/4"SURFACE HOLE FROM 342'TO 1,247'-MD -566=GPM, PSI ON= 1210, PSI OFF=1180 -60 RPM,TQ=3-4K ON/1.5K OFF -WOB=25K -MW 8.8 PPG IN/8.8 OUT -P/U WT=83K,S/O WT=84K. ROT WT=83K -CLEAN MWD SURVEYS AT 404' 15:30 - 22:00 6.50 DRILL N RREP 1,245.75 SURF UNABLE TO MOVE CUTTINGS FROM CUTTINGS TANK DUE TO LOADING VALVE FAILURE.REMOVE AND REPAIR VALVE, STEM WAS BENT DUE TO DEBRIS UNDER GATE WHEN CLOSING,REINSTALL VALVE. FUNCTION TEST VALVE, EMPTY CUTTINGS TANK. 22:00 - 22:30 0.50 DRILL P SURF SERVICE RIG,LUBE GREASE PS-21'S 22:30 - 00:00 1.50 DRILL P SURF DIRECTIONALLY DRILL 12-1/4"SURFACE HOLE FROM 1247'TO 1301'-MD, 1259'-TVD -600=GPM,PSI ON=1245, PSI OFF=1180 -60 RPM,TQ=3-4K ON/1-2K OFF -WOB=25K -MW 9.1 PPG IN/9.OUT -P/U WT=86K,S/0 WT=85K. ROT WT=84K -ART=5.05,AST=6.21,ADT= 10.14 -TOTAL BIT=11.26,JAR HRS=148.1 8/15/2012 00:00 - 07:30 7.50 DRILL P SURF DIRECTIONALLY DRILL 12-1/4"SURFACE HOLE FROM 1301'TO 1892'-MD, 1877'-TVD -GPM=580, PSI ON=1580, PSI OFF=1480 -RPM=60,TQ=4-5K ON/OFF 1-2K -WOB=25K -MW 9.2-PPG IN/OUT 9.4-PPG -P/U WT=94K, S/0 WT=90K. ROT WT=93K 07:30 - 08:00 0.50 DRILL P SURF CIRCULATE AND CONDITION HOLE FOR WIPER TRIP. -RECIPROCATE FROM 1885 TO 1794'-MD WHILE CBU AT DRILLING RATE -GPM=580, PSI= 1480 08:00 - 08:30 0.50 DRILL P SURF PUMP OUT OF HOLE FROM 1885'TO 1704'-MD -GPM=580,PSI=1460. 08:30 - 09:30 1.00 DRILL P SURF POOH ON ELEVATORS FROM 1704'TO 950'-MD. -OVERPULL 5-15K FROM 1200 TO 950'-MD. (NO SWABBING) -MW IN 9.2-PPG,MW 9.3-PPG 09:30 - 11:30 2.00 DRILL P SURF RIH TO 1,000'-MD DUE TO PREVIOUS OVERPULLS TO 15K -PUMP OUT WITH NO ROTATION FROM 1000' TO 545'-MD -GPM=550, PSI=900 -RETURNS SHOW INCREASE IN GRAVELS, WOOD IN RETURNS ALSO OBSERVED. 11:30 - 12:00 0.50 DRILL P SURF POOH ON ELEVATORS FROM 545'TO 230'-MD -NO ISSUES PULLING AT THIS INTERVAL 12:00 - 14:00 2.00 DRILL P SURF RIH FROM 230'TO 700' -ROTATE AND PUMP THROUGH TIGHT HOLE, AT 756',1302',1345, 1428' -WASH LAST STAND TO BOTTOM FROM 1801' TO 1892'. Printed 10/8/2012 3:18:10PM North America-ALASKA- BP Operation Summary Report Common Well Name:Z-34 AFE No Event Type:DRL-ONSHORE(DON) Start Date:8/7/2012 End Date: 9/5/2012 'X3-0115J:DRILL(9,215,885.00) Project:Prudhoe Bay Site:PB Z Pad Rig Name/No.: DOYON 25 Spud Date/Time:8/13/2012 12.01:00AM Rig Release:9/15/2012 Rig Contractor:DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 14:00 - 00:00 10.00 DRILL P SURF DIRECTIONALLY DRILL 12-1/4"SURFACE HOLE FROM 1892'TO 3128'-MD,3091'-TVD -GPM=695,PSI ON=2875, PSI OFF=2750 -60 RPM,TQ=4K ON/OFF 2K -WOB=25K -MW 9.2-PPG IN/9.4-PPG OUT -P/U WT=111K,S/O WT=104K.ROT WT= 108K -24 HR TOTALS:ADT=10.11,ART=9.08,AST =1.03 -TOTAL BIT HRS=21.37,TOTAL JAR HRS= 158.2 8/16/2012 00:00 - 02:00 2.00 DRILL P SURF DIRECTIONALLY DRILL 12-1/4"SURFACE HOLE FROM 3128'TO 3229'-MD,3091-ND TO CALLED 3229'-MD,3091'-ND -GPM=695, PSI ON=2875,PSI OFF=2750 -60 RPM,TQ=4K ON/OFF 2K -WOB=25K -MW 9.2-PPG IN/9.4-PPG OUT P/U WT=111K,S/0 WT=104K.ROT WT= 108K 02:00 - 03:00 1.00 DRILL P SURF CIRCULATE AND CONDITION HOLE FOR WIPER TRIP. ROTATE AND RECIPROCATE -GPM=695,PSI=2830 -RPM=60,TRQ=2-3K 03:00 - 05:00 2.00 DRILL P SURF WIPER TRIP -MONITOR WELL 10-MIN,WELL STATIC -POOH ON ELEVATORS FROM TD 3229'TO 2150'-MD -20K OVERPULL AT 2150'ATTEMPT TO WORK UP THROUGH, NO SUCCESS -MW 9.2-PPG IN/9.4-PPG OUT 05:00 - 06:00 1.00 DRILL P SURF MAKE UP TOP-DRIVE.BREAK CIRCULATION, STAGE UP PUMPS -PUMP UP THROUGH TIGHT SPOT AT 2150' -GPM=580,PSI=1730 -CONTINUE POOH TO 1800' 06:00 - 08:30 2.50 DRILL P SURF RUN IN HOLE ON ELEVATORS FROM 1800'TO 2150'MD ENCOUNTERED TIGHT HOLE, PUMPED THROUGH TIGHT SPOT AT 220 GPM, 500 PSI,20 RPM, FROM 2,150'TO 2,270'. RUN IN HOLE FROM 2,270'TO 3,127 ON ELEVATORS NO HOLE PROBLEMS. 08:30 - 10:30 2.00 DRILL P SURF ROTATE AND RECIPROCATE PIPE FROM 3,229'TO 3,165'CIRCULATE 3 BOTTOMS UP AT DRILLING RATE. P/U 106K, S/O 114K, ROT 111, 1-2K TORQURE.TOTAL STOKES PUMPED=14,000.MONITOR WELL FOR 10 MINUTES WELL STATIC. 10:30 - 15:00 4.50 DRILL P SURF PULL OUT OF HOLE ON ELEVATORS FROM 3229'TO TO 1940, EXPERIENCED 15K OVER PULL 2600',2200'(15K),2000(30K).WIPE ALL TIGHT SPOTS CLEAN,TIGHT HOLE AT 1,940' MD(35K)PUMP THROUGH BASE OF PERMAFROST,PULL OUT TO 1100'PUMP THROUGH TIGHT SPOT. 15:00 - 17:30 2.50 DRILL P SURF LAY DOWN BHA,IBS STAB,UBHO,DRAIN MOTOR,BREAK BIT,IBS STAB. Printed 10/8/2012 3:18:10PM ;. _. • North America-ALASKA- BP Page 6 of 26 Operation Summary Report Common Well Name:Z-34 AFE No Event Type: DRL-ONSHORE(DON) Start Date: 8/7/2012 End Date: 9/5/2012 X3-0115J:DRILL(9,215,885.00) Project:Prudhoe Bay Site: PB Z Pad Rig Name/No.. DOYON 25 Spud Date/Time:8/13/2012 12:01:OOAM Rig Release: 9/15/2012 Rig Contractor: DOYON DRILLING INC. UWI Active Datum:Z-34 actual @95 65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 17:30 - 20:30 3.00 DRILL N HMAN SURF SAFETY STAND DOWN,FIRST AID INVESTIGATION. -IP ADMINISTERED FIRST AID BY MEDIC AFTER BEING STRUCK WITH T-BAR FOR REMOVAL OF PS-21 SLIP SEGMENTS. MEDIC RELEASED IP WITH NO RESTRICTIONS. -INITIAL NOTIFICATIONS MADE IMMEDIATELY FOLLOWING INCIDENT TO HSE, DRILLING SUPERINTENDENT AND OTHER REQUIRED PARTIES -WITNESS STATEMENTS,SAFETY STAND-DOWN AND MEETING FOR INCIDENT HELD. 20:30 - 21:00 0.50 DRILL P SURF LAY DOWN REMAINDER OF BHA. POWER PULSE MWD,STABILIZER,AND 9-5/8" MUD-MOTOR. 21:00 - 00:00 3.00 CASING P SURF CLEAN AND CLEAR FLOOR. -CHANGE OUT TOP-DRIVE SAVER SUB TO 4-1/2"IF -PULL STRIP-O-MATIC FOR RUNNING 9-5/8" SURFACE CASING -INSTALL BAIL EXTENSIONS 8/17/2012 00:00 - 03:00 3.00 CASING P SURF CONTINUE WITH INSTALL OF 4-1/2"IF SAVER SUB. -BRING CASING EQUIPMENT, CEMENT HEAD TO FLOOR. -R/U POWER TONGS, BAIL EXTENSIONS. -P/U CEMENT HEAD,SWEDGE AND XO TO FLOOR -INSTALL VOLANT CASING RUNNING TOOL -INSTALL SLIP CENTERING GUIDES. 03:00 05:30 2.50 CASING P SURF PICK UP 9-5/8"FMC MANDREL HANGER WITH LANDING JOINT AND MAKE DUMMY RUN. -PUMP OUT RISER. -INSTALL UPPER PUP 20'FOR SPLIT LANDING JOINT. -TORQUE SPLIT JOINT CONNECTION TO 1000-FT-LBS -RECORD STICK UP AND LAY BACK TO PIPE SHED. 05:30 - 12:00 6.50 CASING P SURF PJSM WITH ALL PERSONNEL FOR RUNNING 9-5/8"SURFACE CASING. P/U 9-5/8"40 LB-FT L-80 BTC SHOETRACK. BAKERLOCK SAME AND TORQUE TO MARK. -PUMP AND ENSURE FLOATS CLEAR, P/U AND VERIFY FLOATS HOLD. -CONTINUE RUNNING IN HOLE F/122'T/ 1300'.APPLY BEST-O-LIFE 2000 NM,TRQ TO 8 KFT-LBS -FILL PIPE EVERY JOINT AND CIRCULATE DOWN EVERY 10 JOINTS. **07:00-HRS, NOTIFY STATE AOGCC WITH 24-HR NOTICE FOR UPCOMING BOP TEST **08:45 JOHN CRISP RETURNED CALL AND ACKNOWLEDGE NOTIFICATION** Printed 10/8/2012 3:18.10PM North America-ALASKA- BP Page i1 Operation Summary Report 4,,,,k; f.40144.4i Common Well Name:Z-34 AFE No Event Type: DRL-ONSHORE(DON) Start Date: 8/7/2012 End Date:9/5/2012 X3-0115J.DRILL(9,215,885.00) Project:Prudhoe Bay Site: PB Z Pad Rig Name/No.:DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release:9/15/2012 Rig Contractor:DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 12:00 - 22:00 10.00 CASING P SURF CONTINUE TO RIH WITH 9-5/8"SURFACE CASING F/1300'T/2573". -FILL PIPE EVERY JOINT AND CIRCULATE DOWN EVERY 10 JOINTS. HOLE TIGHT AT VARIOUS DEPTHS F/1300 -STAGE UP PUMP TO 7-BPM,450-PSI.WORK CASING CIRCULATING HOLE CLEAN. -MW IN 9.4,MW OUT 9.4 22:00 - 00:00 2.00 CASING P • SURF RIH WITH 9-5/8"SURFACE CASING F/2573'T/ 2633'. CONTINUE TO WORK CASING DOWN AND CIRCULATING HOLE CLEAN AS NECESSARY 6-BPM,180-PSI, P/U 134K,5/0 115K MW IN 9.4',MW UT 9.5 8/18/2012 00:00 - 12:00 12.00 CASING P SURF CONTINUE TO RIH WITH 9-5/8"SURFACE CASING F/2633'T/3187' WORK CASING DOWN AND CIRCULATING HOLE CLEAN AS NECESSARY F/2633' PUMP AND RECIPROCATE STAGGING PUMP TO 6-BPM,350-PSI. PUW=165K,SOW 115K MW IN 9.5,MW OUT 9.5 12:00 - 16:30 4.50 CASING P SURF CONTINUE TO RIH WITH 9-5/8"SURFACE .CASING F/3187'T/3223' WORK CASING DOWN,PUMP AND RECIPROCATE,STAGING PUMP UP TO 8-BPM,450-PSI. ROLL CASING AT 10-RPM,22K TRQ AS NECESSARY TO ATTEMPT TO WORK DOWN. DUE TO TIGHT HOLE LAY DOWN JNT TO CIRCUALTE HOLE CLEAN. PUW=200K,SOW 120K MW IN 9.5,MW OUT 9.5 16:30 - 20:30 4.00 CASING P SURF WHILE WORKING CASING AT 3186 EXPERIENCE PACK-OFF W/LOSS OF RETURNS TO SURFACE ATTEMPT TO WORK FREE. UNABLE TO SLACK OFF PAST 3190'OR PICK UP PAST 3184'APPROXIMITLY 10-1/2"FREE MOVEMENT. -PU 450K, NO ADDITIONAL MOVEMENT. CONTINUE TO WORK CASING,LOSSES AT 750-PSI,CASING MAINTAINING 300-PSI WITH PUMP OFF(NO RETURNS) -DRILLING SUPERINTENDENT ON LOCATION, CONSULT WTL FOR APPROVAL TO PROCEED. 20:30 - 00:00 3.50 CASING P SURF GAIN PIPE MOVEMENT WITH 550K PUW, REGAIN CIRCULATION,STAGE UP PUMP 5-BPM,300-PSI. ENSURE GOOD PIPE MOVEMENT OBSERVING FOR PACK-OFF WHILE RECIPROCATING 10-15-FT INTERVAL. -PUW=240K,SOW= 105K -LAY DOWN JOINT 79 AND 10-FT CASING PUP TO SHED. -CONTINUE TO PICK UP T/3130',OBSERVING INTERMITTENT OVERPULLS. Printed 10/8/2012 3:18.10PM �. , r North America -ALASKA- BP x I. Operation Summary Report - .— ,., . J`.+, _°.. Common Well Name:Z-34 AFE No Event Type: DRL-ONSHORE(DON) Start Date: 8/7/2012 End Date: 9/5/2012 X3-0115J:DRILL(9,215,885.00) Project: Prudhoe Bay Site: PB Z Pad Rig Name/No.: DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release:9/15/2012 Rig Contractor: DOYON DRILLING INC. (,,IA/"` UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) / .1"0-1/6"."-- , "(NVi - Date From-To Hrs Task Cod NPT NPT Depth Phase! `1l Description of Operations (hr) (ft) 8/19/2012 08:00 - 12:30 4.50 CASING SURF CEMENT 9 5/8"SURFACE_CASING AS . 4 FOLLOWS: -NO RECIPROCATION DUE TO HOLE CONDITION. LINE UP TO SCHLUMBERGER CEMENTERS. PUMP 5-BBLS OF WATER,TEST LINES TO 250/4000 PSI,5-MINUTES EACH,GOOD TEST -PUMP 100 BBLS OF 10.0-PPG MUDPUSH DROP BOTTOM PLUG -PUMP 740.6-BBLS(2248 SX)11.0-PPG LFAf) CEMENT.YIELD 1.85 CUFT/SK **08:45-HRS AOGCC STATE REPRESENTATIVE JOHN CRISP REQUESTS TEST NOTIFICATION FOR WITNESS OF BOPE EST 00:00 - 01:00 1.00 CASING P SURF CONTINUE TO CIRCULATE CONDITION HOLE AND MUD r -RECIPROCATE F/3200'T/3175' -5-BPM,250-PSI. w -PUW 150,SOW 118-110K Still MW IN 9.3-PPG,MW OUT 9.4-PPG 01:00 - 04:00 3.00 CASING P SURF L/D JNT OF CASING AND M/U 9-5/8"HANGER AND LANDING JOINT TO STRING. -CIRCULATE LANDING JNT DOWN F/3135'T/ 3180', 7-BPM,355-PSI. -LAND CASING HANGER ON LANDING RING W/DN WT 110K. -SHOE DEPTH 3180'-MD,3142'-ND -MW IN 9.3,MW OUT 9.5 04:00 - 04:30 0.50 CASING P SURF CONTINUE TO CIRCULATE AND CONDITION MUD FOR CEMENT JOB AT 3180'. . 7-BPM,150-PSI. -TOTAL PUMPED WHILE CIRCUALTING 1007-BBLS 04:30 - 05:30 1.00 CASING P SURF R/D VOLANT CASING RUNNING TOOL. -M/U SLB CEMENT HEAD AND 350-TON ELEVATORS. -R/D VOLANT CASING RUNNING TOOL. -M/U SLB CEMENT HEAD AND 350-TON ELEVATORS. 05:30 - 08:00 2.50 CASING P SURF CONTINUE TO CIRCULATE AND CONDITION MUD FOR CEMENT JOB. 7-BPM,330-PSI. -LAY DOWN CASING EQUIP. NOT NEEDED ON FLOOR -PJSM WITH ALL PERSONNEL INVOLVED _ WITH ci iRFACE CEMENT OPERATIONS. 12:30 - 13:30 1.00 CASING N CEMT SURF SCHLUMBERGER PUMP TRUCK LINE PACKED OFF. -CLEAR LINE TO RESUME OPERATIONS. Printed 10/8/2012 3:18:10PM North America-ALASKA-BP Page 9 of 26Operation Summary Report Common Well Name:Z-34 AFE No Event Type: DRL-ONSHORE(DON) Start Date: 8/7/2012 End Date: 9/5/2012 1X3-0115J:DRILL(9,215,885.00) Project: Prudhoe Bay Site: PB Z Pad Rig Name/No.: DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release:9/15/2012 Rig Contractor:DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 13:30 - 14:30 1.00 CASING P SURF PUMP 59.6 BBLS(288 SX)15.8-PPG CLASS-G `TAIL CEMENT.YIEL157.116 CUFT/SK -PUMP AT 5-BPM,520-PSI -DROP TOP PLUG AND KICK OUT W/10-BBLS OF WATER. -SWITCH TO RIG PUMP,DISPLACE W/ 9.4-PPG MUD, ICP 7-BPM,485-PSI 5-BPM,470-PSI 5-BPM,765-PSI 2-BPM,616-PSI. -REDUCED RATE TO 2-BPM TO BUMP PLUG. -BUMPED PLUG AT 235-BBLS,2-BPM. 800-PSI, BUMP ON SCHEDULE -PRESSURE UP 500-PSI OVER FCP TO 1500-PSI, HOLD 5-MINUTES, -NO LOSSES OBSERVED THROUGHOUT PUMPING OR DISP.OF CEMENT. -BLEED OFF PRESSURE,CHECK FLOATS, FLOATS HOLDING. **CEMENT IN PLACE 14:25-HRS.** 30-BBLS OF GOOD WEIGHT CEMENT BACK TO SURFACE .2Q BBLS OF CONTAMINATED CEMENT BACK TO SURFACE TOTAL CEMENT TO SURFACE 50-BBLS. **CHANGES TO BARRIERS -WELLBORE: KILL WEIGHT FLUID -ANNULUS:CEMENT 14:30 - 22:00 7.50 DIVRTR P SURF RIG DOWN 9 5/8"CASING RUNNING TOOLS& DIVERTER SYSTEM -DRAIN&RINSE STACK,WASH ALL SURFACE EQUIPMENT -RIG DOWN CEMENT HEAD, CEMENT LINES. 350-TON ELEVATORS. -PULL PS-21 SLIPS -CLEAR FLOOR OF CASING EQUIP. -PULL LANDING JOINT -RINSE JOE'S BOX AND PULL OUT OF OPERATING POSITION. -PULL LOW PRESSURE RISER. -FUNCTION, RINSE,AND REMOVE 21-1/4" HYDRIL SURFACE BAG. -PULL SURFACE RISER&SEND OUT THE BEAVER SLIDE. -R/D DIVERTER LINE AND KNIFE VALVE. -CLEAN MUD PITS.TROUGH AND FLOW LINE. **18:40-HRS AOGCC REPRESENTATIVE JOHN CRISP REQUESTS 1-HR NOTICE TO WITNESS BOPE TEST 22:00 - 00:00 2.00 WHSUR P SURF N/U FMC 11"THROUGH-BORE GEN-5 WELLHEAD AND TUBING SPOOL. -PREPARE TO TEST WELLHEAD 250-PSI LOW,1000-PSI HIGH,5-MINUTES EACH. 8/20/2012 '00:00 - 00:30 0.50 BOPSUR P SURF CONTINUE TO PRESSURE TEST FMC WELLHEAD EQUIP. 250-PSI LOW,1000-PSI HIGH,5-MINUTES EACH.TEST GOOD Printed 10/8/2012 3:18:10PM North America-ALASKA- BP Page 10 of 26 Operation Summary Report Common Well Name:Z-34 AFE No Event Type:DRL-ONSHORE(DON) Start Date:8/7/2012 End Date: 9/5/2012 X3-0115J:DRILL(9,215,885.00) Project:Prudhoe Bay Site: PB Z Pad Rig Name/No.:DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release: 9/15/2012 Rig Contractor:DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 00:30 - 08:30 8.00 BOPSUR P SURF NIPPLE UP BOPE. -MU 14-FT RISER,2-FT ADAPTER SPOOL AND DOUBLE STUD ADAPTER -INSTALL DOUBLE ANNULUS WORKING VALVES. -INSTALL HOLE FILL LINE,CHOKE AND KILL LINE. 08:30 - 09:30 1.00 BOPSUR P SURF "INSTALL FLOW LINE AND STRIP-O-MATIC, AND SLIPS. 09:30 - 11:30 2.00 BOPSUR P SURF PU 4"TEST JNT AND INSTALL BOP TEST PLUG.RU TEST PLUG.FLUID PACK BOPE. PERFORM BOP BODY TEST 11:30 - 16:30 5.00 WHSUR P SURF TEST BOPE PER BP/AOGCC/DDI REQUIREMENTS TO 250-PSI LOW/4000-PSI HI. TESTED 2-7/8"X 5-1/2"UPPER VBR'S AND LOCKS,2-7/8"X 5-t/2"LOWER VBR'S AND LOCKS WITH 4"TEST JT.TESTED BLIND SHEAR RAMS 250-PSI LOW/4000-PSI HI,2 EA.OF 4-1/2"IF FOSV'S, 1 EA.OF 4"DART VALVE&FOSV.TESTED CHOKE MANIFOLD VALVES 1-15,CHOKE AND KILL MANUAL& HCR VALVES,4"KILL LINE VALVE&UPPER AND LOWER TOP DRIVE IBOP'S. TESTED MANUAL AND SUPER CHOKES TO 250-PSI 13°PLOW/4000-PSI FOR 5 CHARTED MINUTES EACH TEST. TESTED ANNULAR PREVENTER WITH 4"AND 5"TEST JT.250-PSI LOW/ 3500-PSI HI. CHARTED ALL HI AND LO TESTS FOR 5-MINUTES EACH. PERFORMED ACCUMULATOR DRAWDOWN TEST: -ACCUMULATOR PSI=3000,MANIFOLD PSI= 1500 -ACCUMULATOR PSI AFTER FUNCTIONING BOPE=1500-PSI -RECOVERY TO FULL SYSTEM PRESSURE= 105 SECONDS. -6 NITROGEN BOTTLES AVERAGE PRESSURE=2185-PSI BOP CLOSING TIMES: -ANNULAR PREVENTER=23-SECONDS -UPPER PIPE RAMS=17-SECONDS -LOWER PIPE RAMS=18-SECONDS -BLIND/SHEAR RAMS=21-SECONDS -HCR KILL VALVE=3-SECONDS -HCR CHOKE=3-SECONDS. REFERENCED DDI BOP TESTING SOP FOR ALL TESTING. BOPE TEST WITNESSED BY AOGCC-JEFF JONES,DOYON TOOLPUSHER- SAM DYE,AND BP WSL-DAVE NEWLON. 16:30 - 19:00 2.50 BOPSUR P SURF R/D BOP TEST EQUIPMENT,PULL TEST PLUG.P/U WEAR RING.CHANGE DRILL STRING PER DISCUSSION WITH TOWN. 19:00 - 20:00 1.00 BOPSUR P SURF P/U 5"TEST JNT.TEST UPPER AND LOWER VBR'S AND LOCKS T/250 PSI LOW/4000 PSI HI,5 MINS EA ON CHART.TEST PASSED. Printed 10/8/2012 3:18:10PM North America-ALASKA- BP • Page 11 of 26 Operation Summary Report Common Well Name:Z-34 AFE No Event Type: DRL-ONSHORE(DON) Start Date:8/7/2012 End Date:9/5/2012 X3-0115J:DRILL(9,215,885.00) Project:Prudhoe Bay Site: PB Z Pad Rig Name/No.: DOYON 25 Spud Date/Time:8/13/2012 12:01:OOAM Rig Release:9/15/2012 Rig Contractor: DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 20:00 - 21:30 1.50 BOPSUR P SURF PULL TEST PLUG.INSTALL WEAR BUSHING W/9"ID,PULL SLIPS,PULL RISER TO WELD CRACK.C/O TOP-DRIVE SAVER SUB TO 4" XT39. 21:30 - 22:30 1.00 CASING P SURF TEST 9-5/8 SURFACE CASING. 250 PSI LOW FOR 5 MINS/ 4000 PSI HI FOR 30 ✓ MIN CHART TESTS.TEST CRITERIA PASSING. AUTHORIZATION TO PROCEED GRANTED BY WTL-MIKE SCHULTZ. 22:30 - 00:00 1.50 BOPSUR P SURF BRING BHA AND TOOLS TO RIG FLOOR -INSTALL RISER AND STRIP-O-MATIC. 8/21/2012 00:00 - 00:30 0.50 BOPSUR P SURF BLOW DOWN CHOKE AND KILL LINE. 00:30 - 01:30 1.00 DRILL P SURF BRING BHA COMPONENTS TO RIG FLOOR RU 4"HANDLING EQUIPMENT 01:30 - 02:00 0.50 DRILL P SURF MAKE UP 4"DP SHEAR JOINT 02:00 - 02:30 0.50 DRILL P SURF SERVICE TD,BLOCKS AND POWER SLIPS 02:30 - 03:00 0.50 DRILL N RREP SURF CHANGE OUT DRAWWORKS ENCODER. 03:00 - 03:30 0.50 DRILL P SURF CALIBRATE SCHLUMBERGER,AMPHION AND TOTCO BLOCK HEIGHT. 03:30 - 05:00 1.50 DRILL P SURF LAY DOWN 4"HWDP AND JARS F/DERRICK TO REPLACE WITH 5"HWDP PER ORDERS FROM TOWN. 05:00 - 08:30 3.$0 DRILL, P SURF PICK UP 8-3/4"CLEAN OUT BHA#3.T/766' 08:30 - 09:30 1.00 DRILL P SURF TIH ON 4"DP FROM THE SHED WITH BHA#3 F/766'MD T/2097' MD MONITOR DISPLACEMENT VIA THE TRIP _ TANK 09:30 - 10:30 1.00 DRILL P SURF KICK WHILE TRIPPING DRILL WITH AAR CONT INTO A WELL KILL DRILL,WITH AAR 10:30 - 11:30 1.00 DRILL P SURF CONT TIH F/2097'MDT/3047'MD MONITORING DISPLACEMENT VIA THE TRIP TANK 11:30 - 12:00 0.50 DRILL P SURF ESTABLISH PARAMETERS AND SPR'S PUW-119K,SOW-109K,ROT-115K SPR'S: 3047'MD(3010'TVD)-TIME=11:50, MW=9.4 PPG #1 MP-20/30 SPM=100/120 PSI #2 MP-20/30 SPM=100/120 PSI 12:00 - 12:30 0.50 DRILL P SURF WASH FROM 3047'MD TO 3050'MD AND TAG CEMENT -300 GPM,530 PSI TAG CEMENT AT 3050'WASH AND REAM A_ 400 GPM WITH 940 PSI 40 RPM'S,3-4 K WOB,2-4K TQ TAG FLOAT COLLAR ON DEPTH @ 3095' 12:30 - 14:00 1.50 DRILL P SURF DRILL SHOE TRACK FROM 3095'MD TO 3170' MD,10'ABOVE 9-5/8"SHOE -407 GPM,900 PSI -80 RPM,2-4 K TO -5-12K WOB 14:00 - 15:00 1.00 DRILL P SURF DISPLACE WELL WHILE RECIPROCATING AND ROTATING -DISPLACE WELL TO 9.0 PPG LSND DRILLING FLUID -600 GPM,900 PSI -60 RPM,2K TQ Printed 10/8/2012 3:18:10PM orth America -ALASKA-BP fra W, Page 12 of 26 Operation Summary Report Common Well Name:Z-34 AFE No Event Type: DRL-ONSHORE(DON) Start Date:8/7/2012 End Date:9/5/2012 X3-0115J:DRILL(9,215,885.00) Project: Prudhoe Bay Site: PB Z Pad Rig Name/No.: DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release:9/15/2012 Rig Contractor: DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 15:00 - 20:00 5.00 DRILL P SURF DRILL THROUGH 9-5/8"CASING SHOE AND 20' MD OF NEW HOLE FROM 3170'MD TO 3249' MD -600 GPM,930 PSI -40-80 RPM,2-8 K TQ -5-15K WOB ART-.98,ADT-.98 _ 20:00 - 21:00 1.00 DRILL P SURF CIRC B/U AND MONITOR WELL FOR 10 MIN- STATIC -MW 9.0 PPG IN AND OUT LOADING AND STRAPPING 7"CASING IN THE CASING SHED 21:00 - 22:30 1.50 DRILL P SURF PERFORM LOT AT 3249'MD,3209'TVD MW9.0PPG -SUCCESSFULL LOT TO 772 PSI OR 13.7 1.0 PPG EMW -WTL APPROVAL TO PROCEED 22:30 - 23:00 0.50 DRILL P INTI RD TEST EQUIPMENT BREAK DOWN LINES WASH DOWN TO BOTTOM OF RAT HOLE 600 GPM,957 PSI D-1 ,KICK WHILE TRIPPING WITH AAR 23:00 - 00:00 1.00 DRILL P INTI MONITOR WELL FOR 10 MIN-STATIC -MW 9.0 PPG IN AND OUT POOH ON ELEVATORS FROM 3249'T/2285' MONITOR DISPLACEMENT VIA THE TRIP TANK SPR'S: 3234'MD(3194'TVD)-TIME=23:00, - MW=9.0PPG #1 MP-20/30 SPM=100/120 PSI #2 MP-20/30 SPM=100/120 PSI 8/22/2012 00:00 - 05:00 5.00 DRILL P INTI POOH ON ELEVATORS FROM 2285'TO THE TOP OF THE HWDP RACKING BACK IN THE DERRICK TRIP BACK IN THE SHOE PICKING UP 4" DOUBLES FROM THE PIPE SHED FOR SUFFICIENT DP FOR THE 8.75"HOLE SECTION POOH FROM THE SHOE RACKING BACK IN THE DERRICK RACK BACK THE COLLARS AND HWDP, BREAK&LD STABILIZERS,JARS&BIT MONITOR DISPLACEMENT VIA THE TRIP TANK A-MW 9.0 PPG IN AND OUT 05:00 - 06:00 1.00 DRILL P INTI CLEAN AND CLEAR RIG FLOOR PREP FOR PICKING UP INT BHA#4 06:00 - 09:00 3.00 DRILL P INTI PJSM FOR LOADING RA SOURCE MAKE UP 8-3/4"INTERMEDIATE DRILLING BHA TO 871'MD PDC BIT,1.5 MOTOR, PWD,MWD,ADN,LOAD SOURCES,DRILL COLLARS, HYDRAULIC JARS&HWDP IPERFORM SHALLOW PULSE TEST AT 871' MD,GOOD DETECTION I-370 GPM,800 PSI Printed 10/8/2012 3:18:10PM • North America -ALASKA-BP • r ' ' Page 13 of 26 Operation Summary Report Common Well Name:Z-34 AFE No Event Type: DRL-ONSHORE(DON) Start Date: 8/7/2012 I End Date: 9/5/2012 X3-0115J:DRILL(9,215,885.00) Project: Prudhoe Bay Site: PB Z Pad Rig Name/No.:DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release: 9/15/2012 Rig Contractor: DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 09:00 - 10:30 1.50 DRILL P INTI RIH WITH 8-3/4"INTERMEDIATE DRILLING BHA#4 FROM 871'MD TO 3249'MD ON 4"DRILL PIPE DOUBLES FROM PIPE SHED -MONITOR WELL ON TRIP TANK 10:30 - 11:00 0.50 DRILL P INTI ESTABLISH EQUIVALENT CIRCULATING DENSITY BASELINE,DRILLING PARAMETERS !AND SLOW PUMP RATES 11:00 - 12:00 1.00 DRILL P INTI DRILL 8-3/4"INTERMEDIATE HOLE FROM 3249'MD TO 3432"MD(3389'TVD) 1-584 GPM,1720 PSI ON/1520 PSI OFF 1-80 RPM,TQ=4K ON -WOB=18-20K MW=9.0 PPG IN/9.1 PPG OUT -ECD=9.57 PPG(CALC ECD=9.42 PPG) -P/U=106K,S/O=105K,ROT= 105K AST=0.97 HRS,ART=0.97,ADT=0.97 HRS TOTAL BIT HRS=0.97,TOTAL JAR HRS= 160.8 TOTAL LOSSES FOR LAST 24 HRS=0 BBLS SPR'S: 3249'MD(3217'TVD)-TIME= 10:50, -MW=9.1 PPG #1 MP-20/30SPM=140/180 PSI #2 MP-20/30 SPM=140/180 PSI 12:00 - 00:00 12.00 DRILL P 1NT1 DRILL 8-3/4"INTERMEDIATE HOLE FROM 3432'MD TO 4,435'MD(3244'TVD) -583 GPM,1900 PSI ON BOT/1780 PSI OFF BOT -60-80 RPM,TQ=3-4 K ON WOB=6-10 K -MW=9.0 PPG IN/9.X PPG OUT -ECD=9.57 PPG(CALC ECD=9.42 PPG) -P/U= 142K, S/O=133 K, ROT= 139K AST=2.96 HRS,ART=3.47,ADT=6.43 HRS TOTAL BIT HRS=7.4,TOTAL JAR HRS=166.2 TOTAL LOSSES FOR LAST 24 HRS=0 BBLS SPR'S: 3820'MD(3769'TVD)-TIME=16:20, MW=9.0 PPG #1 MP-20/30 SPM= 140/180 PSI #2 MP-20/30 SPM= 140/180 PSI SPR'S: 4295'MD(4221'TVD)-TIME=21:20, MW=9.0 PPG #1 MP-20/30 SPM= 140/200 PSI #2 MP-20/30 SPM= 140/200 PSI Printed 10/8/2012 3:18:10PM North Merica ALASKA- BP Ifr Page 14 of 26 r Operation Summary Report Common Well Name:Z-34 AFE No Event Type: DRL-ONSHORE(DON) Start Date: 8/7/2012 End Date:9/5/2012 'X3-0115J:DRILL(9,215,885.00) Project: Prudhoe Bay Site: PB Z Pad Rig Name/No.: DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release:9/15/2012 Rig Contractor: DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 8/23/2012 00:00 - 12:00 12.00 DRILL P INTI DRILL 8-3/4"INTERMEDIATE HOLE FROM 4435'MD TO 5746'MD(5317'TVD) -583 GPM,2460 PSI ON BOT/2160 PSI OFF BOT -80 RPM,TQ=6-7K ON -WOB=12K -MW=9.1 PPG IN/9.3 PPG OUT -ECD=10.11 PPG(CALC ECD=9.49 PPG) -P/U= 159K,S/O=135K,ROT= 142K AST=2.37 HRS,ART=4.43,ADT=6.8/HRS TOTAL BIT HRS=14.2,TOTAL JAR HRS=173 TOTAL LOSSES FOR LAST 24 HRS=0 BBLS SPR'S: 4855'MD(4688'TVD)-TIME=04:50, MW=9.0 PPG #1 MP-20/30 SPM=160/220 PSI #2 MP-20/30 SPM=160/220 PSI SPR'S: 5537'MD(5161'TVD)-TIME= 10:00, MW=9.15 PPG #1 MP-20/30 SPM=180/220 PSI #2 MP-20/30 SPM=180/220 PSI 12:00 - 00:00 12.00 DRILL P INTI DRILL 8-3/4"INTERMEDIATE HOLE FROM 5746'MD TO 6790'MD(6057'TVD) -583 GPM,3506 PSI ON BOT/3185 PSI OFF BOT -80 RPM,TQ=6-7K ON/5-6K OFF -WOB=6-15K -MW= 10.2 PPG IN/10.3 PPG OUT -ECD=10.6 PPG(CALC ECD=11.43 PPG) -P/U=174K,S/O=140K, ROT=154K AST=1.40HRS,ART=5.34,ADT=6.74/HRS TOTAL BIT HRS=20.05,TOTAL JAR HRS= 179.9 TOTAL LOSSES FOR LAST 24 HRS=0 BBLS SPR'S: 6006'MD(5504'TVD)-TIME=14:05, MW=92 PPG #1 MP-20/30 SPM=200/260 PSI #2 MP-20/30 SPM=200/260 PSI SPR'S: 6386'MD(5768'TVD)-TIME=18:40, MW=9"8 PPG #1 MP-20/30 SPM=280/340 PSI #2 MP-20/30 SPM=280/340 PSI SPR'S: 6766'MD(6046'TVD)-TIME=23:00, MW=10.2PPG #1 MP-20/30 SPM=340/420 PSI #2 MP-20/30 SPM=340/420 PSI 8/24/2012 00:00 - 04:00 4.00 DRILL P INTI DRILL 8-3/4"INTERMEDIATE HOLE FROM TO 6790'MD(6057'TVD)TO 7,215'. -583 GPM,3506 PSI ON BOT/3185 PSI OFF BOT -80 RPM,TQ=6-7K ON/5-6K OFF WOB=6-15K -MW= 10.2 PPG IN/10.3 PPG OUT -ECD=11.5 PPG(CALC ECD= 11.43 PPG) -P/U=174K,S/0= 140K, ROT= 154K Printed 10/8/2012 3:18:10PM �� North America -ALASKA- BP Page 15 of 26 Operation Summary Report Common Well Name:Z-34 AFE No Event Type: DRL-ONSHORE(DON) Start Date: 8/7/2012 End Date:9/5/2012 X3-0115J:DRILL(9,215,885.00) Project: Prudhoe Bay Site: PB Z Pad Rig Name/No.: DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release:9/15/2012 Rig Contractor: DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 04:00 - 04:30 0.50 DRILL P INTI RIG SERVICE,GREASE WASH PIPE RESET COMMUNICATION FROM MUD PUMP# 2 TO THE VFD HOUSE 04:30 - 12:00 7.50 DRILL P INTI DRILL 8-3/4"INTERMEDIATE HOLE FROM 7215'MD TO 8001'MD(6893'TVD) -570 GPM,3850 PSI ON BOT/3630 PSI OFF BOT -80 RPM,TQ=8-9K ON WOB= 14K -MW= 10.2 PPG IN/10.3 PPG OUT -ECD=11.65 PPG(CALC ECD=11.0 PPG) -P/U=194K, S/O=144K,ROT=160K AST=1.41 HRS,ART=6.25,ADT=7.66/HRS TOTAL BIT HRS=27.71,TOTAL JAR HRS= 188 TOTAL LOSSES FOR LAST 12 HRS=0 BBLS SPR'S: 7336'MD(6448'TVD)-TIME=05:45, MW=10.4 PPG #1 MP-20/30 SPM=370/480 PSI #2 MP-20/30 SPM=380/480 PSI 12:00 - 00:00 12.00 DRILL P INTI DRILL 8-3/4"INTERMEDIATE HOLE FROM 8001'MD TO 8670'MD(7441'TVD) 1 -560 GPM,3800 PSI ON BOT/3200 PSI OFF BOT -80 RPM,TQ=8-12K ON -WOB=12K -MW=10.4 PPG IN/10.4 PPG OUT -ECD=11.23 PPG(CALC ECD=11.13PPG) -P/U=205K,S/O=154K,ROT= 170K / AST=3.38 HRS,ART=2.99 ADT=6.37/HRS TOTAL BIT HRS=34.58,TOTAL JAR HRS= 194.4 TOTAL LOSSES FOR LAST 12 HRS=10 BBLS SPR'S: 8475'MD(7266'TVD)-TIME=21:00, MW=10.4 PPG #1 MP-20/30 SPM=300/400 PSI #2 MP-20/30 SPM=300/400 PSI Printed 10/8/2012 3:18:10PM North America -ALASKA- BP 1111Page 16 of 26 Operation Summary Report Common Well Name:Z-34 AFE No Event Type: DRL-ONSHORE(DON) Start Date:8/7/2012 End Date:9/5/2012 'X3-0115J:DRILL(9,215,885.00) Project:Prudhoe Bay Site: PB Z Pad Rig Name/No.: DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release:9/15/2012 Rig Contractor: DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 8/25/2012 00:00 - 12:00 12.00 DRILL P INTI DRILL 8-3/4"INTERMEDIATE HOLE FROM 8670'MD TO 9,552'MD -550 GPM,3400 PSI ON BOT/3150 PSI OFF BOT -80 RPM,TQ=8-12K ON -WOB=12K -MW=10.5 PPG IN/10.5 PPG OUT -ECD=11.23 PPG(CALC ECD=11.13PPG) -P/U=222K, S/O=165K, ROT= 184K AST=2.67 HRS,ART=4.91,ADT=7.58/HRS TOTAL BIT HRS=41.66,TOTAL JAR HRS= 202.2 TOTAL LOSSES FOR LAST 12 HRS=0 BBLS SPR'S: 8,948'MD(7676'TVD)-TIME=04:00, MW= 10.4 PPG #1 MP-20/30 SPM=340/460 PSI #2 MP-20/30 SPM=360/480 PSI SPR'S: 7427'MD(8033'TVD)-TIME=010:40, MW=10.45 PPG #1 MP-20/30 SPM=340/460 PSI #2 MP-20/30 SPM=360/480 PSI 12:00 - 00:00 12.00 DRILL, P INTI DRILL 8-3/4"INTERMEDIATE HOLE FROM 9,522'MD TO 10,028'MD -550 GPM,3400 PSI ON BOT/3150 PSI OFF BOT -80 RPM -TQ=8-12K ON ,3K OFF WOB=12K -MW= 10.5 PPG IN/10.5 PPG OUT -ECD=11.23 PPG(CALC ECD=11.13PPG) -P/U=222K,S/O=165K, ROT=184K AST=2.67 HRS,ART=4.91,ADT=7.58/HRS TOTAL BIT HRS=41.66,TOTAL JAR HRS= 202.2 TOTAL LOSSES FOR LAST 20 HRS=0 BBLS SPR'S: 8,948'MD(7676'TVD)-TIME=04:00, MW= 10.4 PPG #1 MP-20/30 SPM=340/460 PSI #2 MP-20/30 SPM=360/480 PSI SPR'S: 7427'MD(8033'ND)-TIME=010:40, MW=10.45 PPG #1 MP-20/30 SPM=340/460 PSI #2 MP-20/30 SPM=360/480 PSI Printed 10/8/2012 3:18:10PM �filorth Am=�� .aArf � ,. Operation Summary Report Common Well Name:Z-34 AFE No Event Type: DRL-ONSHORE(DON) Start Date: 8/7/2012 End Date: 9/5/2012 X3-0115J:DRILL(9,215,885.00) Project: Prudhoe Bay Site: PB Z Pad Rig Name/No.:DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release:9/15/2012 Rig Contractor: DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date I From-To Hrs Task Code I NPT NPT Depth Phase Description of Operations (hr) (ft) 8/26/2012 00:00 - 01:30 1.50 DRILL P INTI DRILL 8-3/4"INTERMEDIATE HOLE FROM 10,028'MD TO 10,181'MD(8,729'TVD) -525 GPM,3775 PSI ON/2650 PSI OFF -PUW-254,SOW-163 ,ROT-195 -80 RPM,TQ=11 K ON/3 K OFF -WOB=10K -MW= 10.5 PPG IN/10.5 PPG OUT -ECD=11.20 PPG(CALC ECD= 10.96 PPG) AST=0.00 HRS,ART=1.48,ADT=1.48/HRS TOTAL BIT HRS=50.25,TOTAL JAR HRS= 210.2 TOTAL LOSSES FOR LAST 1.5 HRS=0 BBLS INTERMEDIATE HOLE TD CALLED BY GEOLOGY AT 10,181'MD(8,729'TVD) 01:30 - 06:00 4.50 DRILL P INTI CIRCULATE,ROTATE AND RECIPROCATE 3X B/U -523 GPM,3490 PSI 80RPM,6KTQ -FROM 10,180'MD TO 10,135'MD SPR'S: 10,181'MD(8729'TVD)-TIME=06:00, MW=10.5 PPG #1 MP-20/30 SPM=290/390 PSI #2 MP-20/30 SPM=290/400 PSI 06:00 - 09:30 3.50 DRILL P INTI MONITOR THE WELL-STATIC PUMP OUT OF THE HOLE TO JUST ABOVE THE KINGAK @ 8700' -1.5 BPM,350 PSI 09:30 - 13:30 4.00 DRILL P INTI BACK REAM OUT OF THE HOLE TO 6,770' -580GPM,3930 PSI -1150'FT/HR CIRCULATE 30 MIN-CLAY BALLS ACROSS SHAKER -580 GPM, NOT ROTATION 13:30 - 16:00 2.50 DRILL P INTI TIH ON ELEVATORS F/6770'MD TO(TD) 10,087' WASH AND REAM LAST STAND TO BOTTOM MONITORING TRIP VIA PIT#2 SPR'S: 10,177'MD(8721'TVD)-TIME= 16:00, MW=10.5 PPG #1 MP-20/30 SPM=380/500 PSI #2 MP-20/30 SPM=400/500 PSI _ 16:00 - 18:30 2.50 DRILL P INTI CIRCULATE HOLE CLEAN,CBU 3 X ROTATE AND RECIPROCATE 50' -530 GPM,3890 PSI ON BOT/3150 PSI OFF BOT -80 RPM -TQ=8-12K ON,3K OFF -PUW-262 K,SOW-163K, ROT-175 -MW=10.5 PPG IN/10.5 PPG OUT _ 18:30 - 22:00 3.50 DRILL P INTI MONITOR WELL-STATIC PUMP OUT OF THE HOLE F/10,181 TO 8700' 1.5 BPM,1150'FT/HR PULLING SPEED MONITORING TRIP VIA PITS 2-3 22:00 - 00:00 2.00 DRILL P INTI POOH ON ELEVATORS FROM 8700'MD TO 3065"MD,115'INTO THE SHOE -MONITOR WELL ON PITS 2-3 Printed 10/8/2012 3:18:10PM • North America -ALASKA- BP • Page 18 of 26 O•eration Summa Report Common Well Name:Z-34 AFE No Event Type: DRL-ONSHORE(DON) Start Date:8/7/2012 End Date: 9/5/2012 X3-0115J:DRILL(9,215,885 00) Project:Prudhoe Bay Site:PB Z Pad Rig Name/No.:DOYON 25 Spud Date/Time:8/13/2012 12.01:OOAM Rig Release 9/15/2012 Rig Contractor:DOYON DRILLING INC. UWI: Active Datum:Z-34 actual©95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 8/27/2012 00:00 - 01 30 1.50 DRILL P INTI POOH ON ELEVATORS FROM 8700'MD TO 3065"MD,115'INTO THE SHOE -MONITOR WELL ON PITS 2-3 01:30 - 02:00 0.50 DRILL P INTI CIRCULATE ROTATE AND RECIPROCATE 2.5 X B/U IN 9-5/8"CASING -580 GPM,3400 PSI -80 RPM,4K TQ -WORK PIPE FROM 3065'MD TO 3100'MD -MONITOR WELL AT CASING SHOE FOR 10 MIN-STATIC -MW 10.5 PPG IN AND OUT 02:00 - 03:30 1.50 DRILL P INTI POOH F/3065'TO 875'ON 4"DP -RACKING BACK IN DERRICK -LD HWDP 03:30 - 05:30 2.00 DRILL P INTI L/D 8-3/4"PRODUCTION BHA#4 FROM 230' MD TO SURFACE -PJSM WITH SLB MWD AND DD ON REMOVING RA SOURCE -REMOVE NUCLEAR SOURCES AT 100'MD MONITOR WELL ON TRIP TANK 1-2-CT-G-X-1-CT-TD 05:30 - 07:30 2.00 DRILL P - INT1 CLEAN AND CLEAR RIG FLOOR. -PJSM AND C/O UPPER PIPE RAMS TO 7" CASING RAMS -PULL STRIP-O-MATIC -PULL PS-21 AIR SLIPS,CLEAN, INSPECT, GREASE AND LUBE, REINSTALL -RIG UP TO RUN 7"26#VT HC CASING 07:30 - 08:30 1.00 DRILL P INTI PU 7"TEST JOINT INSTALL TEST PLUG , RU TEST EQUIPMENT PULL WEAR BUSHING PERFORM DUMMY RUN WITH 7"HANGER AND LANDING JOINT -MARK LANDING JOINT AT ROTARY TABLE 08:30 - 09:30 1.00 DRILL P INTI PJSM AND TEST BOP RAMS -P/U 7"TEST JOINT, FILL STACK WITH WATER PRESSURE TEST UPPER 7"RAMS -250 PSI/4000 PSI FOR 5 MIN/5 MIN CHARTED TEST -GOOD TEST -WEEKLY FUNCTION TEST CLOSING TIME: BAG-22 SEC , UPPER PIPE RAM-16 SEC, BLINDS-21 SEC,LOWER PIPE RAMS-18 SEC 09:30 - 10.30 1.00 DRILL P INTI -DRAIN STACK. PULL AND L/D 7"TEST JOINT -B/D LINES AND R/D TESTING EQUIPMENT -CONTINUE R/U CASING EQUIPMENT PERFORM DUMMY RUN WITH 7"HANGER AND LANDING JOINT -MARK LANDING JOINT AT ROTARY TABLE 10:30 - 11:00 0.50 DRILL P INTI PJSM WITH RIG CREW,VOLANT,BP,DDI, GBR FOR RUNNING 7"CASING -ALL HAZARDS IDENTIFIED AND DISCUSSED INCLUDING WELL CONTROL SCENARIOS MU SHOE TRACK,CHECK FLOATS-TEST GOOD Printed 10/8/2012 3:18 10PM . = _ North America-ALASKA- BP Page 19 of 26 Operation Summary Report Common Well Name:Z-34 AFE No Event Type:DRL-ONSHORE(DON) Start Date:8/7/2012 End Date 9/5/2012 X3-0115J DRILL(9,215,885 00) Project:Prudhoe Bay Site: PB Z Pad Rig Name/No.: DOYON 25 Spud Date/Time 8/13/2012 12:01:OOAM Rig Release: 9/15/2012 Rig Contractor:DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 11:00 - 12:00 1.00 DRILL P INTI RUN 7"26#L-80 VAMTOP HC CASING W/ VOLANT TOOL TO 781'MD -MONITOR WELL ON PIT 3 1it GS -FILL EVERY JT AND CIRC EVERY 10 JTS 12:00 - 00:00 12.00 DRILL P INTI RUN 7"26#L-80 VAMTOP HC CASING F/781' MD TO 5658'MD -MONITOR DISPLACEMENT VIA PIT#2-3 -FILL EVERY JT AND BREAK CIRCULATION EVERY 10 JTS 3 BPM . ICP-140 PSI STAGE PUMPS UP TO 7 BPM AT THE SHOE WITH 245 PSI PUW- 110 K SOW-111K 8/28/2012 00:00 - 06:00 6.00 DRILL P INTI RUN 7"26#L-80 VAMTOP HC CASING TO 8500' MD -MONITOR DISPLACEMENT VIA PIT#2-3 -FILL EVERY JT AND BREAK CIRCULATION EVERY 10 JTS @ 3 BPM,535 PSI 06:00 - 08:00 2.00 DRILL P INTI CONTINUE TO FRIH TO TD @ 10176' -Pl1WT=318K,DNWT=184K 08:00 - 08:30 0.50 DRILL P INTI R/U POWER TONGS.MU HANGER&LANDING JOINT - -R/U CEMENTERS 08:30 - 12:30 4.00 DRILL P INTI .CIRCULATE AND CONDITION MUD WHILE RECIPROCATING FROM 10176'-10166' -STAGE PUMPS TO 6.5 BPM @ 725 PSI -UPWTW/PUMPS=269K, DNWTW/ PUMPS=170K 12:30 - 15:30 3.00 CEMT P INTI PSI TEST CEMENT LINES TO 250/4000 FOR 4- 5 5 CHARTED MINUTES-GOOD C/"* ..•PUMP 40 BBLS OF 10.7 PPG MUD PUSH @ 6 41 BPM,740 PSI„11%F/O fr -LAUNCH BOTTOM PLUG AND CHASE W/ 206.3 BBLS OF 11.5 PPG LC+GASBLOK©5 5 BPM,720 PSI,9%F/O -PUMP 41 BBLS OF 15.8 PPG CLASS G+ GASBLOK @ 5.5 BPM,720 PSI,9%F/O -LAUNCH TOP PLUG AND CHASE W/5 BBL FRESH H2O X 380 BBLS OF 10.5 PPG LSND MUD @ 7 BPM,650 PSI,10%F/0 -BUMPED PLUG @ 3800 STKS-PRESSURE UP TO 1300 PSI AND CHECK FLOATS- HOLDING-CIP @ 1530 HRS -LEAD CMT WILL ACHIEVE 500 PSI COMPRESSIVE STRENGTH @ 21:30 HRS 15:30 - 17:00 1.50 CEMT P INTI ,j3U AND TEST 7"CSG TO250PSI LOW FOR 5 CHARTED MINUTES AND 4000 PSI HIGH FOR 30 CHARTED MINUTES-GOOD -E-MAIL CHARTS TO WTL AND RECEIVE THE OK TO PROCEED 17:00 - 19:00 2.00 CEMT P INTI UD LANDING JOINT AND R/D VOLANT CASING RUNNING TOOL -CLEAR AND CLEAN RIG FLOOR 19:00 - 20:00 1.00 CEMT P INTI C/O BALES&DIES ON TOP DRIVE BACK UP WRENCH,CLEAN OUT CEMENT VALVES 20:00 - 00:00 4.00 WHSUR P INTI INSTALL 95/8"X 7"PACK-OFF&TEST TO 250 PSI LOW FOR 5 MIN,5000#HIGH FOR 30 RECORDED MIN. -REMOVE 7"UPPER RAMS AND REPLACE W/ 2 7/8"X 5 1/2"VBR'S -BRING BHA EQUIPMENT TO RIG FLOOR Printed 10/8/2012 3:18:10PM 4110 North America ALASKA BP • Page 20 of 26 Operation Summary Report Common Well Name:Z-34 AFE No Event Type: DRL-ONSHORE(DON) Start Date:8/7/2012 End Date:9/5/2012 X3-0115J:DRILL(9,215,885.00) Project:Prudhoe Bay Site: PB Z Pad Rig Name/No.:DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release:9/15/2012 Rig Contractor:DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 8/29/2012 00:00 - 01:00 1.00 CEMT P INTI TEST UPPER AND LOWER 2 7/8"X 5 1/2" VBR'S W/4"AND 4 1/2"TEST JOINT TO 250 PSI/4000 PSI FOR 5 CHARTED MINUTES EACH-ALL PASSED-RD TEST EQUIPMENT 01:00 - 01:30 0.50 CEMT P INTI ATTEMPT TO CONFIRM INJECTIVITY ON OA- !OBSERVE SOLID 1 "STREAM OF FLUID FROM 'IA, PACK OFF IS LEAKING -CLOSE BLINDS AND BULLHEAD THROUGH KILL LINE AND OA @.5 BPM, BROKE OVER AT 680 PSI, INJECT 2 BBLS AT 520 PSI AND BLEED TO 0 PSI 01:30 - 02:30 1.00 CEMT N SFAL 10,179.98 INTI M/U STACK WASHER AND FLUSH BOPE @ 20 BPM X 360 PSI-RD STACK WASHER 02:30 - 03:00 0.50 CEMT N SFAL 10,179.98 INTI P/U PACK-OFF RUNNING TOOL AND PULL 9 5/8"X 7"PACK-OFF AND INSPECT-C/O DAMAGED SEALS 03:00 - 04:00 1.00 CEMT N SFAL 10,179.98 INTI M/U STACK WASHER AND WASH BOPE AND { WELL HEAD @ 20 BPM X 360 PSI-RD STACK WASHER 04:00 - 04:30 0.50 CEMT N SFAL 10,179.98 INTI P/U PACK-OFF RUNNING TOOL AND INSTALL RE-DRESSED 9 5/8"X 7"PACK-OFF 04:30 - 05:00 0.50 CEMT N SFAL 10,179.98 INTI PSI TEST PACK-OFF TO 250 PSI X 5000 PSI- -GOOD TEST 05:00 - 07:00 2.00 CEMT N SFAL 10,179.98 INTI DRAIN STACK,ATTEMPT TO INJECT DOWN OA @.5 BPM,BROKE OVER AT 720 PSI, INJECTING @ 650 PSI, INJECT 2 BBLS AND BLEED TO 0 PSI -STILL HAD PENCIL SIZED STREAM FLOWING FROM IA WHILE PUMPING -CALL TOWN AND DISCUSS OPTIONS 07:00 - 11:00 4.00 CEMT. N SFAL 10,179.98 INTI PULL PACK-OFF AND INSPECT, BAD SEAL, INSTALL NEW PACK-OFF AND TEST TO 250 PSI FOR 5 MIN AND 5000 PSI FOR 30 MINUTES, 500 PSI FOR 5 MIN, GOOD TEST -ESTABLISH INJECTION DOWN OA @.5 BPM, BROKE OVER AT 830 PSI, INJECTING AT 650 PSI -INJECT 2 BBLS AND BLEED TO 0 PSI -NO LEAKS AT PACK-OFF 11:00 - 13:00 2.00 DRILL P INTI P/U BHA#5 AS PER DD -LOAD RADIOACTIVE SOURCES PER SLB MWD 13:00 - 13:30 0.50 DRILL P INTI C/O SLIP INSERTS FROM HAND SLIP TO 4"DP AND INSTALL CENTERING GUIDES 13:30 - 18:00 4.50 DRILL P INTI RIH W/4"DP FROM 237'TO 4600'PICKING UP DOUBLES FROM PIPE SHED -SIMOPS=INJECT 2 BBLS OF 10.4 PPG MUD INTO OA @ 1 BPM X 650 PSI 18:00 - 21:00 3.00 DRILL P INTI SLIP AND CUT 175'OF DRILLING LINE 21:00 - 00:00 3.00 DRILL P INTI RIH W/4"DP TO 10021'MD -SIMOPS=INJECT 57 BBLS OF DIESEL FREEZE PROTECT DOWN OA@.8 BPM BROKE OVER AT 980 PSI TO 700 PSI, GRADUALLY INCREASING THROUGH JOB TO FINAL INJ PRESSURE=940 PSI Printed 10/8/2012 3:18:10PM North America -ALASKA- BP • O•eration Summary Report Common Well Name:Z-34 AFE No Event Type: DRL-ONSHORE(DON) Start Date:8/7/2012 End Date: 9/5/2012 X3-0115J:DRILL(9,215,885.00) Project: Prudhoe Bay Site: PB Z Pad Rig Name/No.: DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM I Rig Release:9/15/2012 Rig Contractor: DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) 8/30/2012 00:00 - 02:00 2.00 DRILL P (ft) INTI 1WASH AND REAM FROM 10,021'TO 10,091'@ 247 GPM,2200 PSI,12%F/O,60 RPM,10K TQ, OBTAIN SPR'S SPR'S @ 10,070'W/10.5 PPG MUD #1 -20/30 SPM= 820/1040 PSI #2-20/30 SPM=820/1040 PSI 02:00 - 02:30 0.50 DRILL P INTI __TAG AT 10,091_ DRILL FLOAT EQUIPMENT AND CEMENT_ TO 10,166 247 GPM,2230 PSI,12%F/O,60 RPM,10K MAX WOB,9K TQ 02:30 - 05:00 2.50 DRILL P INTI RU AND SWAP MUD SYSTEM TO NEW 8.5 PPG FLO-PRO @ 246 GPM X 1250 PSI,OBTAIN NEW SPR'S SPR'S @ 10155'W/8.5 PPG MUD #1 -20/30 SPM=380/520 PSI #2-20/30 SPM=380/520 PSI 05:00 - 07:00 2.00 DRILL P INTI DRILL CEMENT, FLOAT SHOE,AND 20'OF NEW FORMATION TO 10,201',247 GPM,1480 _PSI,8%F/O,40 RPM,4K TQ 07:00 - 08:00 1.00 DRILL P INTI R/U TEST EQUIPMENT AND PERFORM LOT TEST FOR SHOE @ 10,176' -PSI UP @ 4 SPM TO 1667 PSI -PUMPED 2.5 BBLS TOTAL -1 BBL BLED BACK --- EMW=12.3 PPG -RD TEST EQUIPMENT 08:00 - 12:00 4.00 DRILL P PROD1 DRILL 6.125"PRODUCTION HOLE FROM 10,201 -10,241'MD-8782'TVD,WOB=10K, GPM=247, PSI ON=1140, PSI OFF=1050, RPM=0,TQ ON=0,TQ OFF=0,FLOW OUT= 8%,PU WT=184K,SO WT=163K, SLIDING 100%-DLS TO 10.48 -HAD MAX 700 UNITS OF GAS AFTER PENETRATING SHUBLIK @ 10,203' -FLOW CHECKED WELL-NO FLOW -MUD AIRED UP W/NO RELIEF FROM DEFOAMER-SD CENTRIFUGE Printed 10/8/2012 3:18:10PM • North America -ALASKA- BPio Page 22 of 26 Operation Summary Report . 1 ,,.,, ';--;54.;•3:4,,,,,24, A Common Well Name:Z-34 AFE No Event Type: DRL-ONSHORE(DON) Start Date:8/7/2012 End Date:9/5/2012 X3-0115J:DRILL(9,215,885.00) Project:Prudhoe Bay Site: PB Z Pad Rig Name/No.:DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release: 9/15/2012 Rig Contractor: DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 12:00 - 00:00 12.00 DRILL P PROD1 DRILL 6.125"PRODUCTION HOLE FROM 10241'-10,490'MD,TVD=8940',WOB= 10-12K,GPM=252, PSI ON= 1525, PSI OFF= 1400,TQ ON=0,TQ OFF=3,FLOW OUT=9%,PU WT=191K,SO WT=168K, RT WT= 176K, -ADT=8.43,AST=7.49,ART= .94 DLS OF 10.42@ 10248',13.65@ 16.34@ 10343',16.79@ 10377',8.71@ 10408',6.73@ 10438' -GRADUALLY INCREASE ROTATING FROM 0%TO 30%TO REDUCE DLS -OBTAIN SPR'S @ 10,397' #1 -20/30 SPM=360/500 PSI #2-20/30 SPM=400/520 PSI FORMATION TOPS -SHUBLIK A=10203'MD,8748'TVD B=10272' 8805' C= 10304' 8830' - D=10326' 8846 -EILEEN = 10330' 8848' TSAD(46P)=10391' 8887' 45N= 10436' 8911' - 45P=10450' 8919' 8/31/2012 00:00 - 12:00 12.00 DRILL P PROD1 DRILL 6.125"PRODUCTION HOLE FROM 10,490'TO 10970'MD=9022'TVD WOB= 12K,GPM=250, PSI ON=1750, PSI OFF=1400, RPM=40,TQ ON=5K,TQ OFF= 3K,FLOW OUT=10% PU WT=193K,SO WT= 165K,RT WT=167K ADT=6.07 HRS,AST=4.27 HRS,ART= 1.8 HRS SPR'S @ 09:00 HRS,10872'MD,9029'TVD #1 20/30 STKS=520/640 PSI #2 20 30 STKS=480/640 PSI FORMATION TOPS: -TSAD 44N= 10504'MD/8946 TVD 44P 10508 8948 43N 10577 8978 43P 10590 8982 42N 10662 9004 42P 10682 9009 -INVERT @ 10832 9026 12:00 - 00:00 12.00 DRILL P PROD1 DRILL 6.125"PRODUCTION HOLE FROM 10970'TO 11537'MD=8960'TVD WOB=12K,GPM=250, PSI ON=1800, PSI OFF= 1550, RPM=40,TQ ON=5K,TQ OFF= 3K, FLOW OUT= 10% PU WT= 190K,SO WT=156K, RT WT=175K, TO=2-3K ADT=5.99HRS,AST=2.49 HRS,ART=3.5 HRS TOTAL FLUID LOST FOR TOUR=28 BBLS CROSSED FAULT#4 W/5'THROW @ 11097' Printed 10/8/2012 3:18:10PM .J.. • North America-ALASKA- BP • dr.ab',rss` eKWYvzar•, . .� / yr,-1 3- P• 9 9y ry s Operation Summary Report ' Common Well Name:Z-34 AFE No Event Type: DRL-ONSHORE(DON) Start Date:8/7/2012 1 End Date: 9/5/2012 1X3-0115J:DRILL(9,215,885.00) Project: Prudhoe Bay Site: PB Z Pad Rig Name/No.:DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release: 9/15/2012 Rig Contractor:DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 9/1/2012 00:00 - 12:00 12.00 DRILL P PROD1 DRILL AHEAD IN 6.125"PRODUCTION HOLE FROM 11537'MD TO 12106',8911'TVD, INCL= 193 DEG -250 GPM,2000 PSI,12%FLOW OUT,40-80 RPM,7-8K TQ,15K WOB, OFF BTM PSI=1665 -P/U WT=201K,S/O WT=143K,ROT WT= 172K,5-6K TQ -AST=2.58 HRS,ART=3.62 HRS,ADT=6.2 rHRS -ADDING H2O @ 10 BPH -CROSSED FAULT#5 @ 11758'MD, 8935 TD =<3'THROW(7-8 BPH LOSSES FOR 2 HRS THEN HEALED UP) -SPR'S @ 11726'MD=8943'TVD -#1 20/30 SPM=520/680 PSI -#220/30SPM=530/690PSI 12:00 - 00:00 12.00 DRILL P PROD1 DRILL 6.125"PRODUCTION HOLE FROM 112106'MD TO 12580'MD,8952'TVD -250 GPM,2013 PSI,13%FLOW OUT,40-80 I RPM,9K TQ,13K WOB,OFF BTM PSI=1750 -P/U WT= 199K,S/0 WT=150K,ROT WT= 175K,5K TQ -AST=3.8 HRS,ART=2.38 HRS,ADT=6.18 HRS -ADDING H2O @ 10 BPH -SOLIDS>2.5%-DUMPED 100 BBLS OF MUD TO CUTTINGS BOX -REVERTED WELLBORE IN 46P SAND @ 12290'MD,8904'TVD -CROSSED FAULT#6 INTO EILEEN FORMATION @ 12420'(45'THROW) -SPR'S @ 12200'MD,8905'TVD,8.6 PPG -#1 20/30 SPM=540/740 PSI -#220/30SPM=580/710PSI 9/2/2012 00:00 - 12:00 12.00 DRILL P PROD1 DRILL 6.125"PROD HOLE FROM 12576'- 13057'MD,9025'TVD -250 GPM,1950 PSI,12%FLOW OUT,40-80 RPM,8K TQ,12K WOB,OFF BTM PSI= 1740 PSI -P/U WT=210K,S/O WT= 150K,ROT WT= 178K,6-7K TQ, -AST=3.0 HRS,ART=2.86 HRS,ADT=5.86 HRS, TOTAL BIT HRS=41.6,TOTAL JAR HRS =41.6 -ADDING H2O @ 10 BPH RATE -DUMPED 50 BBLS OF FLUID TO CUTTINGS BOX SPR'S @ 12677 MD,8973'TVD,MW=8.65 PPG -#1 20/30 SPM=550/720 PSI -#220/30 SPM=560/740 PSI Printed 10/8/2012 3:18:10PM Page 24 of 26 • North America-ALASKA- BP Operation Summary Report Common Well Name:Z-34 AFE No Event Type:DRL-ONSHORE(DON) Start Date:8/7/2012 End Date: 9/5/2012 X3-0115J:DRILL(9,215,885 00) Project:Prudhoe Bay Site: PB Z Pad Rig Name/No.: DOYON 25 Spud Date/Time: 8/13/2012 12.01.00AM Rig Release. 9/15/2012 Rig Contractor:DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95 65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 12:00 00:00 12.00 DRILL P PROD1 r DRILL 6.125"PROD HOLE FROM 13057'- 137367'MD,8881'TVD -250 GPM,2015 PSI,12%FLOW OUT,40-80 RPM,7K TQ,12K WOB,OFF BTM PSI=1700 PSI -P/U WT=200K,S/O WT=150K,ROT WT= 164K,5K TQ, AST=2.05 HRS,ART=3.24 HRS,ADT=5.29 HRS -TOTAL BIT HRS=41.6,TOTAL JAR HRS= 41.6 -ADDING I-QO @ 15 BPH RATE TO CONDITION FOR POOH SPR'S @ 13247 MD,9030'TVD,MW=8.65 PPG -#1 20/30 SPM=620/760 PSI -#2 20/30 SPM F 580/760 PSI -OA= 120 PSI @ 12:30 FIRS TOTAL MUD LOSS FOR TOUR=42 BBLS 9/3/2012 00:00 - 01:00 1.00 DRILL P PROD1 DRILL 6.125 PROD HOLE FROM 13736'TO TD r @ 13780'MD,8870'TVD(IN EILEEN) --250 GPM,2012 PSI,12%FLOW OUT,80 RPM,7K TQ,12K WOB,OFF BTM PSI=1655 -P/U WT=172,S/O WT=150K,ROT WT= 172K,5K TQ,12K WOB -ADT=0.47 HRS,AST=0.0 HRS,ART=0.47 FIRS -TOTAL BIT HRS=47.37,TOTAL JAR HOURS =47.37 01:00 - 02:30 1.50 DRILL P PROD1 ROTATE AND RECIPROCATE FROM 13780'TO 13720'MD WHILE CBU 1.5 BU@ 251 GPM, 1720 PSI.11%FLOW OUT,80 RPM,4-5K TQ. TOTAL STROKES PUMPED=4750 STKS -MONITOR WELL FOR 10 MINUTES-STATIC -OBTAIN SPR'S&PARAMETERS=P/U WT= 192K, S/O WT= 149K, ROT WT= 171K,TQ= 5K SPR'S @ 13780' MW=8.7 PPG -#1 20/30 SPM=470/630 PSI -#2 20/30 SPM=440/630 PSI 02:30 - 18:00 15.50 EVAL P PROD1 BACK REAM OUT OF HOLE AND MAD PASS FROM 13780'-11255' -THE FOLLOWING INTERVALS AT HIGH RESOLUTION FOR PACKER SETTING INFORMATION: (BIT DEPTHS) -13238'-13116' -12928'-12808' -12718'-12606' -12368'-12256' -12048'-11936' -11738'-11616' PARAMETERS=250 GPM,1530 PSI,11% FLOW OUT,80 RPM,5-6K TQ -OAla31230HRS=80PSI Printed 10/8/2012 3:18:10PM North America-ALASKA- BP Page Operation Summary Report , .. Common Well Name:Z-34 AFE No Event Type. DRL-ONSHORE(DON) Start Date:8/7/2012 End Date 9/5/2012 X3-0115J DRILL(9,215,885 00) Project:Prudhoe Bay Site:PB Z Pad Rig Name/No.:DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release: 9/15/2012 Rig Contractor:DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95 65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT I NPT Depth Phase r Description of Operations (hr) (ft) 18.00 - 22:00 4.00 DRILL P PROD1 BACK REAM OUT OF HOLE INTO 7"CASING -HAD SOME ERRATIC DRAG AND SLIGHT LOSSES AROUND FAULT#4(11100'-11220') -WORKED PIPE OVER INTERVAL SEVERAL TIMES AND CLEARED UP -ROTATE AND RECIP WHILE CIRCULATE,1 BTMS UP INSIDE SHOE -250 GPM,1465 PSI,FLOW OUT=11%, RPM= 100,TO OFF=2-3K,P/U WT=185K,S/O WT= 167 -PUMPED 2430 STKS FLOW CHECK WELL FOR 20 MINUTES= STATIC LOSS RATE OF 1.2 BPH -NOTIFY NS SUP'T AND WAIT ON ORDERS 22:00 - 23:00 1.00 DRILL P PROD1 MONITOR WELL AND WOO 23:00 - 00:00 1.00 DRILL P .PROD1 POOH ON ELEVATORS FROM 10115'TO 8309' MD -MONITOR DISPLACEMENT ON TRIP TANK -TOTAL FLUID LOST LAST 12 HRS=31 BBLS -TOTAL FLUID LOST LAST 24 HRS=87 BBLS 9/4/2012 00:00 - 05:30 5.50 - DRILL P PROD1 -POOH ON ELEVATORS FROM 8309'TO 330' -MONITOR HOLE FILL W/TRIP TANK 05:30 - 06:00 0.50 BRILL P PROD1 MONITOR WELL FOR 10 MIN-SLIGHT LOSSES -CHANGE OUT SLIP INSERTS AND M/U SHEAR JOINT 06:00 - 08:00 2.00 DRILL P PROD1 L/D BHA -BIT GRADE 2-3-BT-A-X-I-ER-TD 08:00 - 08:30 0.50 DRILL P PROD1 CLEAN AND CLEAR RIG FLOOR 08:30 - 10:30 2.00 BOPSUR P PROD1 R/U TO TEST BOPE -DRAIN STACK,PULL WEAR RING, INSTALL TEST PLUG, FILL STACK AND CHOKE -R/U TO MONITOR WELL ON VA 110:30 - 16:00 5.50 BOPSUR P PROD1 TESTED ANNULAR TO 250 PSI LOW/3500 PSI HIGH AND RAMS TO 250 PSI LOW/4000 PSI HIGH FOR 5 MIN EACH. ALL TESTS CHARTED.SEE BOP TEST ATTACHMENT. 16:00 - 17:30 1.50 BOPSUR P PROD1 R/D BOPE TEST EQUIPMENT -PULL TEST PLUG AND INSTALL WEAR RING 17:30 - 18:30 1.00 DRILL P PROD1 M/U BHA#6 PER DD. -PDC BIT, NB STAB, MWD, FLEX COLLARS, WELL COMMANDER,JARS 18:30 - 00:00 5.50 DRILL P PROD1 RIH ON ELEVATORS FROM 193'TO 8267'MD -P/U 148K,S/O 138K 9/5/2012 00:00 - 05:00 5.00 DRILL P PROD1 RIH WITH 6-1/8"CLEANOUT ASSEMBLY FROM 8267'TO TD -ENCOUNTER TIGHT SPOT AT 10,560' -WORK PAST WITH 150 GPM,600 PSI/40 RPM,4-8K TQ Printed 10/8/2012 3:18:1 OPM `' North America-ALASKA- BP Page-.. . 26 of 26 Operation Summary Report Common Well Name Z-34 AFE No Event Type: DRL-ONSHORE(DON) Start Date:8/7/2012 End Date:9/5/2012 IX3-0115J:DRILL(9,215,885.00) Project:Prudhoe Bay Site: PB Z Pad Rig Name/No.: DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release:9/15/2012 Rig Contractor: DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 05:00 - 08:30 3.50 DRILL P PROD1 TAG TD ON DEPTH AT 13,780'MD -CIRCULATE 4 BOTTOMS UP WHILE CONDITIONING MUD -300 GPM,2000 PSI/120 RPM,5-6K TQ -P/U 192K,S/O 153K, ROT 173K MONITOR WELL FOR 10 MIN-SLOW LOSSES 1 SPR'S @ 13,369 MD,8920'TVD,MW=8.6 PPG -#1 20/30 SPM=420/580 PSI -#2 20/30 SPM=450/600 PSI 08:30 - 14:00 5.50 DRILL P PROD1 PUMP OUT OF HOLE FROM 13,610'TO 10,167' MD -250 GPM,1350 PSI -P/U 180K,S/O 165K 14:00 - 15:00 1.00 DRILL P PROD1 DROP BALL TO OPEN CIRC SUB AND PUMP DOWN AT 2 BPM -PRESSURE UP TO 2300 PSI TO OPEN CIRC SUB -CIRC BOTTOMS UP AT 350-400 GPM,950 PSI WHILE ROTATING AND RECIPROCATING 15:00 - 16:00 1.00 DRILL P PROD1 DROP BALL TO CLOSE CIRC SUB AND PUMP DOWN AT 2 BPM PRESSURE UP TO 2360 PSI TO CLOSE CIRC SUB 16:00 - 21:00 5.00 DRILL P PROD1 POOH ON ELEVATORS FROM 10,072'TO 288' MD -LOSSES AT 1.5 BPH MONITOR WELL FOR 10 MIN-STATIC 21:00 - 22:00 1.00 DRILL P PROD1 UD 6-1/8"PRODUCTION HOLE CLEANOUT BHA Printed 10/8/2012 3:18:09PM North America -ALASKA- BP Page 1 of 8 Operation Summary Report Common Well Name:Z-34 AFE No Event Type:COM-ONSHORE(CON) Start Date:9/5/2012 End Date:9/14/2012 X3-0115J:DRILL(3,083,122.00) Project:Prudhoe Bay Site: PB Z Pad Rig Name/No.:DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release:9/15/2012 Rig Contractor: DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 9/5/2012 22:00 - 00:00 2.00 CASING P RUNPRD R/U TO RUN 4-1/2"PRODUCTION LINER. -STAGE LINER COMPONENTS IN PIPESHED _IN PREPARATION FOR LINER RUN 9/6/2012 00:00 - 01:00 1.00 CASING P RUNPRD CONTINUE TO R/U 4-1/2"LINER RUNNING TOOLS ON RIG FLOOR 01:00 - 01:30 0.50 CASING P RUNPRD PJSM-RUNNING LINER WITH DDI DRILLING CREW,CASING HAND,BAKER, HALLIBURTON REPRESENTATIVES&RIG TEAM. DISCUSS NON-SHEARABLE EQUIPMENT ACROSS BOP 01:30 - 10:30 9.00 CASING P RUNPRD RUN 4-1/2"PRODUCTION LINER ASSEMBLY PER PROGRAM- - ROGRAM-P/U 4-1/2"SHOE TRACK -FILL LINER AND VERIFY FLOATS HOLDING. FLOAT GOOD -BAKER LOCK ALL CONNECTION BELOW LANDING COLLAR JOINT -P/U 4-1/2", 12.6 LB-FT VAM TOP LINER, APPLY JET LUBE SEAL GUARD.TORQUE TURN 4-1/2"TO TQ OF 4,440 FT-LB. -CONTINUE RIH WITH 4-1/2 LINER WITH HYBRID SWELL PACKERS PER PROGRAM -MW IN AND OUT 8.6-PPG RUN LINER TO 3721'MD 1 BBL PER HR LOSS RATE WHILE RIH 10:30 - 11:30 1.00 CASING P RUNPRD M/U BAKER LINER HANGER AND ZXP LINER TOP PACKER -CIRC 1.5 LINER VOLUME AT 3.5 BPM,230 PSI -P/U 119K,S/O 112K 11:30 - 18:00 6.50 CASING P RUNPRD RIH WITH 4-1/2"LINER ON 4"DP FROM 3766' TO 10,144'MD -FILL PIPE EVERY 10 STANDS 18:00 - 19:00 1.00 CASING P RUNPRD CIRC 1.5X LINER AND DP VOLUME AT 7" SHOE -STAGE PUMPS TO 5 BPM,630 PSI -P/U 158K,S/O 145K 19:00 - 22:30 3.50 CASING P RUNPRD RUN LINER IN OPEN HOLE FROM 10,144'TO 13,780' -M/U CEMENT HEAD AND TAG LINER ON DEPTH AT 13,780' 22:30 - 00:00 1.50 CASING P RUNPRD RECIPROCATE 20'STROKES WHILE CIRCULATING -STAGE PUMPS UP TO 4.5 BPM,933 PSI -P/U 184K,S/O 143K 3 BPH LOSSES WHILE CIRCULATING TOTAL DAILY LOSSES 96 BBLS 9/7/2012 00:00 - 01:30 1.50 CASING P RUNPRD CONTINUE TO RECIPROCATE 20'STROKES WHILE CIRCULATING TOTAL OF 3 BOTTOMS UP -4.7 BPM,950 PSI -P/U 184K,S/O 143K 3 BPH LOSSES WHILE CIRCULATING Printed 10/2/2012 1:16:39PM • North America -ALASKA- BP • Page 2 of 8 Operation Summary Report Common Well Name:Z-34 AFE No Event Type: COM-ONSHORE(CON) Start Date:9/5/2012 End Date:9/14/2012 X3-0115J:DRILL(3,083,122.00) Project: Prudhoe Bay Site: PB Z Pad Rig Name/No.: DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release: 9/15/2012 Rig Contractor: DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 01:30 - 04:30 3.00 CEMT P RUNPRD CEMENT 4-1/2"LINER AS FOLLOWS: -HOLD PJSM WITH RIG CREW,SLB CEMENT CREW AND BPXA ovvit CEMENT PUMPING: -PUMP 25 BBLS 12.0 PPG MUD PUSH AT 4.7 BPM Ltd` -PRESSURE TEST LINES TO 250 LOW/4,000 /N HIGH FOR 5 MIN EACH. GOOD TEST Nib _-PUMP 93.3 BBLS,15.8 PPG CLASS G CEMENT AT 4.7 BPM,YIELD 1.54 CU FT/SX (340 SX) -DROP DRILL PIPE WIPER DART. POSITIVE INDICATION DART LEFT CEMENT HEAD. -SWAP TO RIG AND DISPLACE WITH 8.6 PPG FLOPRO MUD AT 5 BPM,0 PSI -CAUGHT CEMENT AT 47 BBLS INTO DISPLACEMENT,PRESSURE INCREASED TO 215 PSI -CONTINUE RECIPROCATING IN 20'STOKES -DISPLACE AT 5 BPM,PRESSURE STEADILY INCREASING TO 1290 PSI -SLOW PUMPS TO 4 BPM AND CONT DISPLACEMENT -STARTED INTERMITTENT PACKING OFF, PRESSURED UP TO 2000 PSI -SLOW PUMP RATE,WORK LINER DOWN AND SET ON DEPTH -STAGE UP PUMPS FROM 1 BPM TO 3 BPM, PRESSURE INCREASING TO 1630 PSI -DID NOT SEE INDICATION OF LINER WIPER PLUG LATCH UP -BUMP PLUG AT 144 BBLS,1630 PSI(15 BBLS EARLIER THAN CALCULATED) -PRESSURED UP ON PLUG TO 3,000-PSI TO SET LINER HANGER,SET 50K DOWNWEIGHT ON LINER HANGER -BLEED OFF PRESSURE&CHECK FLOATS. FLOATS HOLDING. -CEMENT IN PLACE AT 04:20 HRS -TOTAL OF 14 BBLS LOST WHILE DISPLACING CEMENT -GOOD LIFT PRESSURE THROUGHOUT JOB 04:30 - 05:30 1.00 CEMT P RUNPRD RELEASE LINER RUNNING TOOL -PRESSURE UP TO 4.100 PSI TO RELEASE RUNNING TOOL -P/U TO 175K, DID NOT APPEAR TO RELEASE -BLEED OFF PRESSURE AND RE-PRESSURIZE T04,300 PSI -P/U TO 180K,STILL DID NOT APPEAR TO RELEASE EMERGENCY RELEASE LINER RUNNING TOOL -APPLY LEFT HAND TORQUE AND WORK TORQUE DOWN TO RUNNING TOOL, SUCCESSFUL RELEASE Printed 10/2/2012 1:16:39PM • North America -ALASKA- BP Page 3 of 8 Operation Summary Report Common Well Name:Z-34 AFE No Event Type: COM-ONSHORE(CON) Start Date:9/5/2012 End Date: 9/14/2012 X3-0115J:DRILL(3,083,122.00) Project:Prudhoe Bay Site:PB Z Pad Rig Name/No.: DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release: 9/15/2012 Rig Contractor:DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 05:30 - 06:00 0.50 CEMT P RUNPRD SET LINER TOP PACKER AND CIRC OUT CEMENT -PICK UP 5'TO EXPOSE DOG SUB. -SET ZXP LINER TOP PACKER WITH 75K. -ROTATE WITH 75K DN WT TO CONFIRM 4-1/2"LINER TOP PACKER SET. -PICK UP WITH 500 PSI ON DRILL PIPE UNTIL PRSSURE DROP OBSERVED. -PULL OUT OF LINER&CIRCULATE EXCESS CEMENT OUT AT 13 BPM @ 1,760 PSI. -4 BBLS CEMENT RETURNED TO SURFACE 06:00 - 08:00 2.00 CEMT P RUNPRD DISPLACE WELL TO 8.5 PPG SEAWATER -575 GPM,2380 PSI -P/U 181K,S/O 164K 08:00 - 08:30 0.50 CEMT P RUNPRD MONITOR WELL FOR 30 MIN-STATIC 08:30 - 11:00 2.50 CEMT P RUNPRD SLIP AND CUT 120'OF DRILL LINE 11:00 - 14:00 3.00 CEMT P RUNPRD POOH ON ELEVATORS FROM 9923'TO 3798' MD MONITOR WELL ON TRIP TANK 14:00 - 14:30 0.50 CEMT P RUNPRD WU CEMENT HEAD FROM PIPESHED -BREAK OUT 4"SINGLE, PUP,AND CROSSOVERS 14:30 - 17:30 3.00 CEMT P RUNPRD -POOH WITH LINER RUNNING TOOL FROM 3798'TO 885'MD 17:30 - 18:00 0.50 CEMT P RUNPRD INSPECT AND GREASE TOPDRIVE 18:00 - 19:00 1.00 CEMT N RREP RUNPRD INSPECT DERRICK GIRT AND ELEVATORS. HOLD INCIDENT INVESTIGATION WITH RIG LEADERSHIP TEAM ON CAUSE OF DOUBLE HANGING ON SKATE,CAUSING COLLISION WITH ELEVATORS AND HORIZONTAL GIRT IN DERRICK. 19:00 - 20:30 1.50 CEMT P RUNPRD POOH LAYING DOWN 4"DP DOUBLES TO PIPESHED FROM 885'TO SURFACE. -L/D BAKER LINER RUNNING TOOL 20:30 - 22:30 2.00 EVAL P OTHCMP HOLD PJSM AND RIG UP SLB E-LINE UNIT 22:30 - 00:00 1.50 EVAL P OTHCMP RIH WITH 5.98"GAUGE RING/JUNK BASKET/ GAMMA RAY/CCL ON E-LINE 9/8/2012 00:00 - 02:00 2.00 EVAL P OTHCMP CONTINUE WITH 5.98"GAUGE RING/JUNK BASKET/GAMMA RAY/CCL RUN ON E-LINE -RECOVER 2 PIECES OF SEAL RINGS FROM LINER RUNNING TOOL IN JUNK BASKET 02:00 - 12:00 10.00 EVAL P OTHCMP M/U SLB USIT/MSIP/GPIT LOGGING TOOLS -RIH ON E-LINE TO 9980' -LOG FROM 9980'TO SURFACE 12:00 - 13:30 1.50 EVAL P OTHCMP L/D E-LINE LOGGING TOOLS AND R/D E-LINE 13:30 - 16:30 3.00 EVAL P OTHCMP R/U AND PRESSURE TEST 7"CASING AND 4-1/2"LINER -250/4000 PSI,5/30 MIN CHARTED TEST -1ST TEST FAILED R/U SENSORS TO IA AND RE-TEST LOST 80 PSI 1ST 15 MIN -LOST 55 PSI 2ND 15 MIN -LOST 51 PSI 3RD 15 MIN -FAILED TEST 16:30 - 17:00 0.50 EVAL P OTHCMP INSPECT AND LUBRICATE TOPDRIVE Printed 10/2/2012 1:16:39PM North America -ALASKA-BP Page 4 of 8 Operation Summary Report Common Well Name:Z-34 AFE No Event Type:COM-ONSHORE(CON) Start Date:9/5/2012 I End Date: 9/14/2012 X3-0115J:DRILL(3,083,122.00) Project:Prudhoe Bay Site: PB Z Pad Rig Name/No.: DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release: 9/15/2012 Rig Contractor: DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT !' NPT Depth Phase Description of Operations (hr) (ft) 17:00 - 18:00 1.00 EVAL N DFAL OTHCMP PFRFC)RM 3Rr)PRFSSI IRF TEST—ON 7" CASING AND 4-1/2"LINER -LOST 59 PSI 1ST 15 MIN -LOST 54 PSI 2ND 15 MIN -LOST 50 PSI 3RD 15 MIN -FAILED TEST -6.2 BBLS TO PRESSURE UP,5.7 BBLS BLED BACK 18:00 - 21:00 3.00 EVAL N DFAL OTHCMP CONSULT TOWN.DECISION MADE TO RIH WITH 7"RTTS TO DETERMINE LEAK POINT. -WAIT FOR 7"HES RTTS PACKER TO MOBILIZE TO RIG -INSTALL LONG BAILS AND 250 TON 4" ELEVATORS CALIBRATE BLOCKS AND ADJUST ZONE MANAGEMENT 21:00 - 00:00 3.00 EVAL N DFAL OTHCMP M/U 7"RTTS PACKER ASSEMBLY AND RIH ON 4"DRILLPIPE FROM SURFACE TO 2296'MD. 9/9/2012 00:00 - 03:30 3.50 EVAL N DFAL OTHCMP CONTINUE RIH WITH 7"RTTS PACKER ON 4" DRILLPIPE FROM 2296'TO 9984'MD. 03:30 - 05:30 2.00 EVAL _N DFAL OTHCMP SET RTTS PACKER AT 9984'MD AND R/U PRESSURE TEST EQUIPMENT PRESSURE TEST DRILLPIPE X 7"ANNULUS (ABOVE RTTS)TO 4000 PSI FOR 15 MIN -LOST 8PSI IN15MIN PRESSURE TEST 4-1/2"LINER BELOW RTTS TO 4000 PSI FOR 15 MIN -LOST 147 PSI IN 15 MIN LEAK PATH DETERMINED TO BE BELOW RTTS(4-1/2"LINER) RELEASE RTTS AND R/D TEST EQUIPMENT 05:30 - 10:00 4.50 EVAL N DFAL OTHCMP POOH WITH RTTS PACKER FROM 9983'TO SURFACE -L/D RTTS 10:00 - 11:00 1.00 BOPSUR P OTHCMP FLUSH STACK,PULL WEAR RING AND SET TEST PLUG 11:00 - 11:30 0.50 BOPSUR N SFAL OTHCMP ATTEMPT TO PRESSURE TEST PLUG FROM BELOW TO 1000 PSI -UNSUCCESSFUL TEST 11:30 - 12:00 0.50 BOPSUR N SFAL OTHCMP PULL TEST PLUG AND INSPECT -RE-TIGHTEN FITTINGS AND RE-SEAT TEST PLUG 12:00 - 13:30 1.50 BOPSUR P OTHCMP PRESSURE TEST PLUG -FROM BELOW TO 1000 PSI FOR 5 MIN -FROM ABOVE TO 1000 PSI HIGH FOR 5 MIN 13:30 - 15:00 1.50 BOPSUR P OTHCMP CHANGE UPPER PIPE RAMS IN BOP STACK TO 2-7/8"AND LOWER PIPE RAMS TO 4" -R/U TO TEST BOPE 15:00 - 17:00 2.00 BOPSUR P OTHCMP TESTED ANNULAR TO 250 PSI LOW/3500 PSI HIGH WITH 2-7/8"TEST JOINT AND RAMS TO 250 PSI LOW/4000 PSI HIGH FOR 5 MIN EACH. ALL TESTS CHARTED.SEE BOP TEST ATTACHMENT. 17:00 - 20:30 3.50 EVAL N DFAL OTHCMP R/D BOPE TEST EQUIPMENT AND PREP FOR 4-1/2"RTTS RUN -C/O SLIP INSERTS AND ELEVATORS -R/U POWER TONGS -LOAD 2-7/8"PAC PIPE IN CASING SHED AND STRAP Printed 10/2/2012 1:16:39PM North America -ALASKA- BP 41110 Page 5 of 8 Operation Summary Report Common Well Name.Z-34 AFE No Event Type: COM-ONSHORE(CON) Start Date: 9/5/2012 End Date: 9/14/2012 X3-0115J:DRILL(3,083,122.00) Project:Prudhoe Bay Site: PB Z Pad Rig Name/No.:DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release: 9/15/2012 Rig Contractor:DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 20:30 - 00:00 3.50 EVAL N DFAL OTHCMP M/U MULE SHOE,2-7/8"20'PUP JOINT,4-1/2" RTTS,AND CROSSOVERS.RIH WITH 2-7/8" PAC PIPE FROM SURFACE TO 2025'MD 9/10/2012 00:00 - 02:30 2.50 EVAL N DFAL OTHCMP RIH WITH 4-1/2"RTTS ON 2-7/8"PAC PIPE FROM 2025'TO 3812'MD 02:30 - 05:30 3.00 EVAL N DFAL OTHCMP RIH WITH RTTS ON 4"DP FROM 3812'TO 10,241'MD 05:30 - 08:00 2.50 EVAL N DFAL OTHCMP SET RTTS PACKER INSIDE 4-1/2"LINER AT 10.,241'MD AND R/U PRESSURE TEST EQUIPMENT PRESSURE TEST ABOVE RTTS(4-1/2"LTP) TO 4000 PSI FOR 15 MIN -LOST 28 PSI IN 15 MIN PRESSURE TEST 4-1/2"LINER BELOW RTTS TO 4000 PSI FOR 15 MIN -LOST 39 PSI IN 15 MIN RELEASE RTTS AND R/D TEST EQUIPMENT 08:00 - 10:00 2.00 EVAL N DEAL OTHCMP RIH FROM 10,241'TO 13,692'MD. -TAG LANDING COLLAR ON DEPTH AT 13,692' MD 10:00 - 10:30 0.50 EVAL -N DFAL OTHCMP POOH FROM 13,692'TO 13,567'MD. 10:30 - 13:30 3.00 EVAL N DFAL OTHCMP SET RTTS PACKER AT 13,567'MD ATTEMPT TO PRESSURE TEST BELOW AND ABOVE RTTS TO 4000 PSI FOR 30 MIN EACH -RTTS NOT HOLDING PRESSURE -UNABLE TO SEAT RTTS SUCCESSFULLY AT HIGH ANGLE RELEASE RTTS AND R/D TEST EQUIPMENT 13:30 - 14:00 0.50 EVAL N DEAL OTHCMP POOH FROM 13,567'TO 12,644'MD 14:00 - 15:00 1.00 EVAL N DFAL OTHCMP SET RTTS PACKER AT 12,644'MD ATTEMPT TO PRESSURE TEST ABOVE RTTS T04000 PSI -RTTS NOT HOLDING PRESSURE RELEASE RTTS AND R/D TEST EQUIPMENT 15:00 - 17:00 2.00 EVAL N DFAL OTHCMP POOH FROM 12,644'TO 10,173'MD 17:00 - 18:30 1.50 EVAL N DFAL OTHCMP SET RTTS PACKER INSIDE 4-1/2"LINER AT 10,173'MD PRESSURE TEST ABOVE RTTS(4-1/2"LTP) TO 4000 PSI FOR 30 MIN -LOST 30 PSI IN 1ST 15 MIN -LOST 8 PSI IN 2ND 15 MIN -GOOD TEST ATTEMPT TO PRESSURE TEST 4-1/2"LINER BELOW RTTS TO 4000 PSI FOR 30 MIN -RTTS NOT HOLDING PRESSURE RELEASE RTTS AND RID TEST EQUIPMENT 18:30 - 22:00 3.50 EVAL N DFAL OTHCMP POOH FROM 10,173'TO 3,812'MD RACKING BACK 4"DP 22:00 - 00:00 2.00 EVAL N DFAL OTHCMP CHANGE OUT FROM 4"TO 2-7/8" HANDLING EQUIPMENT POOH UD 2-7/8"PAC DP FROM 3812'TO 2789' MD 9/11/2012 00:00 - 03:30 3.50 EVAL N DFAL OTHCMP POOH UD 2-7/8"PAC DP FROM 2789'MD TO SURFACE. -UD 4-1/2"RTTS AND MULE SHOE -DAMAGE FOUND ON BOTTOM PACKER ELEMENT OF RTTS 03:30 - 04:00 0.50 EVAL P OTHCMP CLEAN AND CLEAR RIG FLOOR,SERVICE BLOCKS Printed 10/2/2012 1:16:39PM North America -ALASKA- BP Operation Summary Report Common Well Name:Z-34 AFE No Event Type:COM-ONSHORE(CON) Start Date:9/5/2012 End Date: 9/14/2012 X3-0115J:DRILL(3,083,122.00) Project:Prudhoe Bay Site: PB Z Pad Rig Name/No.:DOYON 25 Spud Date/Time:8/13/2012 12:01:OOAM Rig Release: 9/15/2012 Rig Contractor:DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 04:00 - 05:00 1.00 PERFOB P OTHCMP R/U HANDLING EQUIPMENT FOR RUNNING TCP GUNS. 05:00 - 05:30 0.50 PERFOB P OTHCMP PJSM WITH RIG CREW AND SLB ON TCP GUN RUN 05:30 - 11:00 5.50 PERFOB P OTHCMP M/U 2-7/8"6SPF 2906PJ TCP GUNS AND 2-7/8" PAC PIPE TO 2737'MD 11:00 - 17:00 6.00 PERFOB P OTHCMP RIH WITH 2-7/8"PERF GUNS ON 4"DRILLPIPE FROM 2,737'TO 12,753'MD TAG NO-GO STABILIZER ON LINER TOP -PICK UP TO PUT GUNS ON DEPTH, BOTTOM SHOT AT 12,710'MD MONITOR HOLE ON TRIP TANK-STATIC 17:00 - 18:30 1.50 PERFOB P OTHCMP INITIATE FIRING PRESSURE SEQUENCE AND FIRE PERF GUNS ON DEPTH AT 12,710'MD. PERF INTERVALS:970'tOTAL PERF LENGTH -10,390'TO 10,430'MD(40'INTERVAL) -10,450'TO 10 560 MD(110'INTERVAL) 10,590'TO 10,650'MD(60'INTERVAL) -10,690'TO_10,740'MD(50'INTERVAL) -11,000'TO 11,050'MD(50'INTERVAL) -11,230'TO 11,290'MD(60'INTERVAL) -11,310'TO 11,430'MD(120'INTERVAL) 11,460'TO 11,585'MD(125'INTERVAL) -11,945'TO 12,010'MD(65'INTERVAL) -12,060'TO 12,230'MD(170'INTERVAL) -12,590'TO 12,710'MD(120'INTERVAL) POSITIVE INDICATION GUNS FIRED,3 BBLS LOSS AFTER GUNS FIRED. 18:30 - 19:30 1.00 PERFOB P OTHCMP POOH STANDING BACK 4"DP FROM 12,710' MD TO 9,958'MD(ABOVE TOP PERF). MONITOR HOLE ON TRIP TANK-SLIGHT LOSSES 19:30 - 21:00 1.50 PERFOB P OTHCMP CIRCULATE BOTTOMS UP -423 GPM,1630 PSI MW 8.5 IN/8.5 OUT MONITOR WELL-STATIC LOSS RATE OF 1 BPH 21:00 - 22:00 1.00 PERFOB P OTHCMP POOH UD 4"DOUBLES FROM 9958'TO 9387' MD -MONITOR WELL ON TRIP TANK 22:00 - 22:30 0.50 PERFOB P OTHCMP TROUBLESHOOT PIPE BUNK IN PIPESHED 22:30 - 00:00 1.50 PERFOB P OTHCMP POOH UD DOUBLES FROM 9387'TO 6663'MD 9/12/2012 00:00 - 04:30 4.50 PERFOB P OTHCMP POOH UD SINGLES FROM 6663'TO 2832'MD 04:30 - 05:00 0.50 PERFOB P OTHCMP R/U HANDLING EQUIPMENT FOR 2-7/8"PAC DP AND POWER TONGS. 05:00 - 05:30 0.50 PERFOB P OTHCMP PJSM WITH CREW AND SLB PERF HANDS 05:30 - 12:00 6.50 PERFOB P OTHCMP LAY DOWN 2-7/8"PAC DRILLPIPE AND 2-7/8" TCP GUNS -INSPECTED PERF GUNS,ALL SHOTS FIRED MONITOR HOLE ON TRIP TANK-0.5 BPH LOSS RATE 12:00 - 13:30 1.50 PERFOB P OTHCMP R/D 2-7/8"HANDLING EQUIPMENT 13:30 - 14:30 1.00 PERFOB P OTHCMP HELD UNANNOUNCED WELL CONTROL DRILL -HELD AAR WITH CREW, BP WSL AND BP AUDITOR 14:30 - 15:00 0.50 PERFOB P OTHCMP CHANGE OUT LONG BAILS TO MEDIUM BAILS AND R/U 4"350 TON ELEVATORS 15:00 - 15:30 0.50 PERFOB P OTHCMP SERVICE AND INSPECT TOP DRIVE Printed 10/2/2012 1:16:39PM • North America-ALASKA- BP Page 7 of 8 Operation Summary Report Common Well Name:Z-34 AFE No Event Type: COM-ONSHORE(CON) Start Date: 9/5/2012 End Date:9/14/2012 X3-0115J DRILL(3,083,122.00) Project:Prudhoe Bay Site:PB Z Pad Rig Name/No.:DOYON 25 Spud Date/Time:8/13/2012 12:01:00AM Rig Release: 9/15/2012 Rig Contractor:DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 15:30 - 16:00 0.50 PERFOB P OTHCMP CALIBRATE BLOCKS AND ZONE MANAGEMENT FOR MEDIUM BAILS 16:00 - 17:00 1.00 PERFOB P OTHCMP RIH WITH REMAINING 4"DRILLPIPE FROM DERRICK TO 2849'MD 17:00 - 20:30 3.50 PERFOB P OTHCMP POOH L/D SINGLES FROM 2849'MD -MONITOR WELL ON TRIP TANK 20:30 - 00:00 3.50 BOPSUR P OTHCMP PULL WEAR RING AND SET TEST PLUG -PRESSURE TEST PLUG FROM ABOVE TO 250 LOW/4000 HIGH FOR 5 MIN EACH CHANGE OUT UPPER AND LOWER PIPE RAMS TO 2-7/8"X 5-1/2"VBR'S 9/13/2012 00:00 - 02:00 2.00 BOPSUR P OTHCMP CHANGE OUT UPPER AND LOWER PIPE RAMS TO 2-7/8"X 5-1/2"VBR'S 02:00 - 03:00 1.00 BOPSUR P OTHCMP R/U TEST EQUIPMMENT AND PRESSURE TEST RAMS WITH 4-1/2"TEST JOINT -250 LOW/4000 HIGH FOR 5 MIN EACH 03:00 - 03:30 0.50 BOPSUR P OTHCMP R/D TEST EQUIPMENT 03:30 - 04:00 0.50 RUNCOM P RUNCMP R/U TO RUN 4-1/2"13CR VAMTOP COMPLETION -MAKE TUBING HANGER DUMMY RUN 04:00 - 04:30 0.50 RUNCOM P RUNCMP PJSM WITH DDI,BPXA,HALLIBURTON ON .RUNNING 4.5"13CR COMPLETION STRING. 04:30 - 16:00 11.50----- RUNCOM P RUNCMP RUN 4.5"12.6 LB/FT,13CR-85,VAMTOP COMPLETION TO 10,030'MD -WLEG,XN-NIPPLE,X-NIPPLE,HES TNT PACKER,X-NIPPLE,6 GLM'S,X-NIPPLE -TORQUE TURN VAMTOP CONNECTIONS TO 4,440 FT-LBS -P/U 145K,S/O 128K 16:00 - 17:30 1.50 RUNCOM P RUNCMP SPACE OUT AND LAND COMPLETION -SPACE OUT TO LAND 4.5"12.6#,13CR-85, VAMTOP COMPLETION -M/U HANGER, LAND HANGER, RILDS 17:30 - 18:00 0.50 RUNCOM P RUNCMP R/U CIRCULATING EQUIPMENT TO TUBING AND IA. 18:00 - 18:30 0.50 RUNCOM P RUNCMP PRESSURE TEST SURFACE EQUIPMENT TO 4000 PSI 18:30 - 21:30 3.00 RUNCOM P RUNCMP REVERSE CIRCULATE 9.2 PPG BRINE AND 9.2 PPG CORROSION INHIBITED BRINE DOWN IA. -4 BPM,450 PSI -PUMP 155 BBLS 110 DEG 9.2 PPG BRINE -PUMP 122 BBLS 110 DEG CORROSION INHIBITED 9.2 PPG BRINE -PUMP 67 BBLS 110 DEG 9.2 PPG BRINE R/U AND PUMP DOWN TUBING TO CLEAN RHC-M BALL SEAT PROFILE -PUMP 5 BBLS 110 DEG 9.2 PPG BRINE Printed 10/2/2012 1.16:39PM North America -ALASKA- BP • Page 8 of 8 Operation Summary Report Common Well Name:Z-34 AFE No Event Type:COM-ONSHORE(CON) Start Date:9/5/2012 End Date:9/14/2012 'X3-0115J:DRILL(3,083,122.00) Project: Prudhoe Bay Site: PB Z Pad Rig Name/No.: DOYON 25 Spud Date/Time: 8/13/2012 12:01:00AM Rig Release:9/15/2012 Rig Contractor: DOYON DRILLING INC. UWI: Active Datum:Z-34 actual @95.65ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 21:30 - 00:00 2.50 RUNCOM P RUNCMP DROP 1-7/8"BALL AND ROD PRESSURE UP TUBING, SET PACKER AND TEST -250/4000 PSI FOR 5/30 MIN CHARTED TEST,GOOD TEST -BLEED TUBING TO 2500 PSI AND HOLD. -PRESSURE UP IA AND TEST -250/4000 PSI FOR 5/30 MIN CHARTED TEST,GOOD TEST -WTL APPROVAL TO PROCEED HOLD IA PRESSURE AT 4000 PSI BLEED TUBING PRESSURE TO 0 PSI AND SHEAR DCK VALVE . PUMP 10 BBLS DOWN IA -2 BPM,2800 PSI PUMP 10 BBLS DOWN TUBING -2 BPM,1465 PSI CONFIRMATION THAT SHEAR VALVE IS OPEN 9/14/2012 00:00 - 02:00 2.00 BOPSUR P RUNCMP DRY ROD TWC INTO PLACE PRESSURE TEST TWC FROM BELOW -250/4000 PSI FOR 5/30 MIN TEST GOOD TEST PRESSURE TEST TWC FROM ABOVE -250/4000 PSI FOR 5/5 MIN TEST -GOOD TEST 02:00 - 06:00 4.00 BOPSUR P RUNCMP NIPPLE DOWN BOPE -REMOVE STRIP-O-MATIC,JOES BOX, FLOWLINE 06:00 - 11:00 5.00 WHSUR P WHDTRE NIPPLE UP DRY HOLE TREE -SIMOPS:DISCONNECT INTERCONNECTS, TRANSFER DOUBLES IN PIPE SHED 11:00 - 12:00 1.00 WHSUR P WHDTRE TEST TUBING HEAD ADAPTOR AND PACKOFF TO 250/5000 PSI FOR 5/5 MIN TEST -GOOD TEST 12:00 - 12:30 0.50 WHSUR P WHDTRE PRESSURE TEST TREE TO 250/5000 PSI FOR 5/10 MIN CHARTED TEST -GOOD TEST 12:30 - 13:30 1.00 WHSUR P WHDTRE RIG UP DRILL SITE MAINTENANCE LUBRICATOR.TEST LUBRICATOR TO 250/3500 PSI FOR 5/5 MIN TEST -GOOD TEST 13:30 - 14:00 0.50 WHSUR P WHDTRE PULL TWC W/LUBRICATOR. -RD LUBRICATOR. 14:00 - 14:30 0.50 WHSUR P WHDTRE RIG UP FREEZE PROTECT EQUIPMENT. PRESSURE TEST FP LINES TO 3500 PSI. 14:30 - 16:00 1.50 WHSUR P WHDTRE REVERSE CIRCULATE IN 78 BBLS OF 80 DEG DIESEL FOR FP. 16:00 - 17:30 1.50 WHSUR P WHDTRE ALLOWED DIESEL TO U-TUBE. 17:30 - 19:00 1.50 WHSUR P WHDTRE RIG UP DSM LUBRICATOR AND TEST 250/3500 PSI TO 5/5 MIN. INSTALL BPV.RIG DOWN DSM LUBRICATOR 19:00 - 21:00 2.00 WHSUR P WHDTRE PRESSURE TEST BPV FROM BLEOW TO 250/4000 PSI FOR 5/30 CHARTED MINS. BLEED DOWN/RIG DOWN SURFACE EQUIPMENT 21:00 - 00:00 3.00 RIGD P WHDTRE SECURE WELL AND PREPARE FOR RDMO RELEASE RIG AT 00:00 HRS 9/15/2012 Printed 10/2/2012 1:16:39PM U, 0 N vi ui lri Ei pi�romM aro p 1i eoi. m d g NNNN OO OS $ m t. A 01AN w w §§§§g §§§§§ §g§§§ ss 'ilia: it I a m a CaMMW V,OSO� tziAO- 6i;7004 0SNAm NhN`Nminp ObNS ,, LSOPmmmp�`_NN1N ym04N XNV' § � WSS° 0000$ 3999i SY4ff 00000 TBWW°Tn $0) N O ^ C1 m NNW1N�ppAm m0MNN pps Am SAMpA AAnml7 nmOVO OOOA N .66CDD' trieiOIO 0001nm IrmmmW tDOcdcri . 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Dispatched To: Christine Shartzer Well No Z-34 Date Dispatched: 11-Sep-12 Installation/Rig Doyon25 Dispatched By: M.Pichamoni Data No Of Prints No of CDs Surveys 2 1 Received By: ` ��/�/7 Please sign and return to: Hector Echeto V Drilling&Measurements DSM 2525 Gambell Street,Suite 400 Anchorage,Alaska 99501 hechetoslb.com Fax:907-561-8317 LWD Log Delivery V1.0,01/22/2010 it [F ri\ AIER\ 0 SEAN PARNELL,GOVERNOR ALASKA OIL AND GAS 333 W 7th AVENUE,SUITE 100 CONSERVATION COMMISSION ANCHORAGE,ALASKA 99501-3539 PHONE (907)279-1433 FAX (907)276-7542 Ken Allen Engineering Team Leader BP Exploration (Alaska), Inc. P.O. Box 196612 Anchorage, AK 99519-6612 Re: Prudhoe Bay Field, Prudhoe Bay Pool, PBU Z-34 BP Exploration (Alaska), Inc. Permit No: 212-061 Surface Location: 4292' FSL, 2552' FEL, SEC. 19, T11N, R12E, UM Bottomhole Location: 2926' FSL, 771' FEL, SEC. 30, T11N, R12E, UM Dear Mr. Allen: Enclosed is the approved application for permit to drill the above referenced service well. This permit to drill does not exempt you from obtaining additional permits or 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. Sincerely, Cathy P. Foerster Chair DATED this /Cay of May, 2012. cc: Department of Fish 86 Game, Habitat Section w/o encl. (via e-mail) Department of Environmental Conservation w/o encl. (via e-mail) STATE OF ALASKA RECEIVED ALAS. OIL AND GAS CONSERVATION COMMS .ON MAY 0 2 2012 PERMIT TO DRILL 20 AAC 25.005 r_ 1a.Type of work: lb.Proposed Well Class: 0 Development Oil 0 Service-Winj ®Single Zone • 1 c. Spec yiI 4 IfQll'f5"PpGd for: ® Drill ' 0 Redrill 0 Stratigraphic Test 0 Development Gas 0 Service-Supply 0 Multiple Zone 0 Coalbed Gas 0 Gas Hydrates 0 Re-Entry 0 Exploratory '®Service-WAG 0 Service-Disp 0 Shale Gas 2. Operator Name: 5 Bond: IS Blanket 0 Single Well 11. Well Name and Number: BP Exploration(Alaska) Inc. Bond No. 6194193 ' PBU Z-34 • 3. Address: 6. Proposed Depth: 12.Field/Pool(s): P.O. Box 196612,Anchorage,Alaska 99519-6612 MD 13824' • TVD 8900' • Prudhoe Bay/Prudhoe Bay. 4a. Location of Well(Governmental Section): 7. Property Designation(Lease Number): Surface: 4292'FSL,2552' FEL, Sec. 19,T11N, R12E, UM • Top of Productive Horizon: 8. Land Use Permit: 13. Approximate Spud Date: • • 944"FSL, 156'FEL, Sec. 19,T11N, R12E, UM ADL 028262 8047453 August 1,2012 Total Depth: 9.Acres in Property: 14.Distance to Nearest Property: 2926'FSL, 771'FEL, Sec.30,T11N, R12E, UM 2560 5120' 4b. Location of Well(State Base Plane Coordinates-NAD 27): 10.KB Elevation above MSL: 90.4' • feet 15.Distance to Nearest Well Open Surface: x- 600126 • y-5959100 • Zone- ASP4 GL Elevation above MSL: 56.1' • feet to Same Pool: 950' 16.Deviated Wells: Kickoff Depth: 400' . feet 17.Maximum Anticipated Pressures in psig(see 20 AAC 25.035) Maximum Hole Angle: 108 degrees Downhole: 3752 • Surface: 2896• • 18. Casing Program: Specifications Top-Setting th-Bottom Quantity of Cement,c.f.or sacks Hole Casing Weight Grade Coupling Length MD -wow-If 443.1 J TVD (including stage data) 20" 94# H-40 80' Surface 80' Surface 80' 260 sx Arctic Set(ADDrox.) 12-1/4" 9-5/8" 40# L-80 BTC-M 3200' Surface 3200' Surface 3160' 1890 sx DeeoCrete.409 sx Class'G' 8-3/4" 7" 26# L-80 VamTop 10177' Surface, 10177' Surface 8745' 923 sx LiteCrete. 184 sx Class'G' 6-1/8" 4-1/2" 12.6# _ 13CR80 VamTop 3797' 10027' 8615' _ 13824' 8900' 426 sx Class'G' 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): Casing Length Size Cement Volume MD TVD Conductor/Structural Surface Intermediate Production Liner Perforation Depth MD(ft): Perforation Depth ND(ft): 20.Attachments: IN Property Plat ®BOP Sketch ®Drilling Program 0 Time vs Depth Plot 0 Shallow Hazard Analysis ® Diverter Sketch 0 Seabed Report ®Drilling Fluid Program ®20 AAC 25.050 Requirements 21. Verbal Approval: Commission Representative: Date: 22. I hereby certify that the foregoing is true and correct. Contact Kris Honas,564-4841 Printed Name Ken Allen Title Engineering Team Leader Prepared By Name/Number Signature y r) Phone 564-4366 Date5/21/. Joe Lastufka,564-4091 Commission Use Only Permit To Drill API Number: n T(�/ Permit Awnal Date: See cover letter for Number: 12-a(o( 50-OZ., tCJ9 `t,\,, other requirements Conditions of Approval: If box is checked,well may -not tbbe used to explore for,test,or produce coalbed me hhane,gas hydrates,or gas contained shales: 12/ Other: &44 Oeo r 5 +13O? r 5-r Samples Req'd: ❑ Yes C7No Mud Log Req'd: ❑0yes I3/No -12S Measures: NI. Yes 0 No Directional Survey Req'd: L7 Yes 0 No rer-t -Q 4.ice3C.)` 0- a(-f: - 4-4-4-61/4) LL)6410 3 P / , APPROVED BY THE COMMISSION Date S"-^i 0 - /Z— ,COMMISSIONER Form 10-401 Revised 07/2009 This permit is valid for 24 mo :Aral(20 AAC 25.005(g)) Submit In Duplicate 0/ by 0 To: Alaska Oil&Gas Conservation Commission From: Kristopher E. Honas, ODE Date: May 2, 2012 Re: Z-34i Permit to Drill The planned Z-34i well is currently scheduled to be drilled by Doyon 25 in 2012. The grassroots well is a horizontal WAG injection well designed to support offset producers in the Ivishak; Anticipated injection intervals include the 46P through 44P and possibly the 42 through 43P. Z-34 is expected to be pre- produced prior to beim placed on injection. The duration of pre-production will depend on production ,/ rates. After oil production falls, the well will be switched to injection. The maximum anticipated surface pressure from the Ivishak/Sag with a full column of gas from TD to surface is 2872 psi (assumes 8.2 ppg as max pore pressure). This well will be drilled by Doyon 25 using their 5000 psi four preventer BOP stack(3 rams and an annular). The BOP rams will be tested to 4000 psi and the annular will be tested to 3500 psi. A detailed operations summary is included with the permit application. Below is a brief summary of planned drilling operations: 1. Move in Doyon 25 and function test diverter. 2. Drill 12-1/4"surface hole to 3200 ft MD. 3. Run 9-5/8"surface casing and cement to surface. 4. Nipple up BOPE and test. 5. Pressure test surface casing. Drill out the shoe and perform LOT. 6. Drill 8-3/4" intermediate hole to top of the reservoir at 10,177 ft MD. 7. Run 7"casing and cement to—500 ft below the surface casing shoe and pressure test. 8. Drill out of intermediate shoe and perform FIT. 9. Drill 6-1/8" horizontal production hole through Zone 4 of the Ivishak to TD at 13,824 ft MD. 10. Run and fully cement a 4-1/2"production liner. 11. Run a cement bond log over the 7" intermediate casing on wireline. 12. Run drill pipe conveyed perforating guns. 13. Run 4-1/2"completion tubing. Sting into liner tieback sleeve and set production packer. 14. Pressure test the tubing and the inner annulus. 15. Rig down and move off the well. In addition to a planned well summary, a directional plan and proposed completion diagram is attached to the permit application. If there are any questions concerning information on Z-34i, please do not hesitate to use the contact information below. Kristopher Honas Office: 907-564-4841 Cell: 907-268-0891 Home: 907-929-4388 Email: Kristopher.Honas@bp.com Z-34i PTD Page 1 5/2/2012 Planned Well Summary Well Z-34i Well Pre-Produced Target Ivishak ' Type Injector • Objective Current Status Grass Roots Well - Conductor Currently Installed Estimated Start Date: 08/01/2012 Time to Complete: 40.0 Days Surface Northing Easting Offsets TRS Location 5959100 • 600126• 989' FNL/2402' FWL 11N 12E sec 19 Northing Easting TVDss Offsets TRS Tgt 1 5955915 602575 -8650' 1073' FSL / 157' FEL 11N 12E sec 19 TSGR Tgt 2 5955785 602579 -8810' 944' FSL/ 156' FEL 11N 12E sec 19 TSAD Production 5955150 602398 -8950' 311' FSL/348' FEL 12N 12E sec26 Tgt 3 Production 5953980 602245 -8825' 857' FNL / 521' FEL 11N 12E sec 30 Tgt 5 Production 5952935 602145 -8950' 1900' FNL /639' FEL 11N 12E sec 30 Tgt 7 BHL 5952480 602020 -8810' 2926' FSL / 771' FEL 11N 12E sec 30 Planned KOP: 400' MD/309.6' TVDss Planned TD: 13824' MD/8810' TVDss Rig: _ Doyon 25 • BF-RT: 34.3' RTE (ref MSL): 90.4 • Directional — Schlumberger PlOb KOP: 400' MD Maximum Hole Angle: -45.4° in the 8-3/4" intermediate section -108.2° in the 6-1/8"production section Close Approach Wells: All off-set wells pass Major Risk Analysis Survey Program: Surface'to-500' MD=GYD-GC-SS (single shot gyro) -500' MD to TD= MWD+IFR+MS Nearest Property Line: 5120' -PBU boundary southwest of TD • Nearest Well within Pool: -950' -from Z-03A • Z-34i PTD Page 2 5/2/2012 Formation Tops & Pore Pressure Estimate (SOR) Estimated Depth Most Likely Pore Formation Formation Uncertainty Fluid Type Pressure Top (+/-TVD ft) (for sands) (EMW ppg) (TVDss) G1 255 +/-20' No 8.4 SV6 1030 +/-20' No 8.4 EOCU 1595 +/-20' No 8.4 SV5 1690 +/-20' No 8.4 BPRF 1760 +/-20' No 8.7 SV4 1810 +/-20' Hydrates below BPRF 8.7 SV3 2315 +/-40' Hydrates 8.7 SV2 2480 +/-40' Hydrates 8.7 SV1 2795 +/-40' Hydrates 8.7 d 9 5/8"Surface Casing 3070 UG4 3110 +/-40' 8.7 UG4A 3190 +/-40' 8.7 Fault#1 (HSF)3430' M.D. 3300 +/- 100' M.D. UG3 (faulted) 3300 +/-40' 8.7 UG1 3785 +/-40' 8.7 UG_Ma 4070 +/-40' Heavy oil 8.7 UG_Mb1 4115 +/-40' Heavy oil 8.7 UG_Mb2 4170 +/-40' Heavy oil 8.7 UG Mc 4230 +/-40' No, wet 8.7 SB_Na 4290 +/-25' Yes 8.7 SB_Nb 4320 +/-25' No, wet 8.7 SB_Nc 4355 +/-25' No 8.7 SB OA 4430 +/-25' Yes 8.7 SB_OBd 4630 +/-25' Yes 8.7 SB_OBf_Base 4780 +/-25' No 8.7 CM-2 5180 +/-40' Possible GCM 8.7 Top OP 5875 +/-40' Possible GCM 9.8 CM-1 5910 +/-40' Possible GCM 10.0 TLBK 6215 +/-40' Possible GCM 10.0 THRZ 6380 +/-40' Possible GCM 10.0 TKLB 6620 +/-40' Possible GCM 10.0 TKC4 6640 +/-40' Yes 10.2 TKB/LCU 6680 +/-40' Possible GCM 10.0 TMLV 6735 +/-40' Possible GCM 10.0 Fault#2 8500'M.D. 7210 +/- 100' M.D. Detail in Fault Section TKNG 7450 +/-40' No 10.0 TJG 7470 +/-40' No 10.0 TJF 7770 +/-40' No 10.0 TJE 8010 +/-40' No 10.0 TJD 8170 +/-40' No 10.0 ' Fault#3 9800' M.D. 8330 +/- 100' M.D. Detail in Fault Section Z-34i PTD Page 3 5/2/2012 TJC 8420 +/-40' No 10.0 TJB 8550 +/-40' No 10.0 TJA 8580 +/-40' No 10.0 . TSGR 8650 +/-40' Yes gas 8.2 TSHA 8675 +/-20 Yes gas 9.2 TEIL 8764 +/-20 Yes gas 8.2 PGOC 8780 +/-20 TSAD(46P) 8810 +/-20 Yes oil/gas 8.1 45P 8849 +/-20 Yes oil/gas 8.1 44P 8860 +/-20 Yes oil/gas 8.1 43P 8890 +/-20 Yes oil/gas 8.1 POWC 8910 +/-20 42P 8916 +/-20 Yes oil/gas 8.1 Invert 42P 8935 +/-20 Yes oil/gas Fault#4 11,100' M.D. 8950 +/- 100' M.D. Detail in Fault Section 43P 8915 +/-20 Yes oil/gas 8.1 44P 8886 +/-20 Yes oil/gas 8.1 45P 8877 +/-20 Yes oil/gas 8.1 Fault#5 11,980' M.D. 8840 +/- 100' M.D. Detail in Fault Section Revert 45N 8873 +/-20 Yes oil/gas 8.1 45P 8883 +/-20 Yes oil/gas 8.1 Fault#6 12,480' M.D. 8850 +/- 100' M.D. Detail in Fault Section 44P 8894 +/-20 Yes oil/gas 8.1 POWC 8910 +/-20 43P 8925 +/-20 Yes oil/gas 8.1 42P 8954 +/-20 _ Yes oil/gas 8.1 Fault#7 -13,050' M.D. 8960 +/-100' M.D. Detail in Fault Section Invert 42P 8927 +/-20 Yes oil/gas 8.1 POWC 8910 +/-20 Yes oil/gas 8.1 43P 8889 +/-20 Yes oil/gas 8.1 44P 8856 +/-20 Yes oil/gas 8.1 45P 8842 +/-20 Yes oil/gas 8.1 • TD 8810 +/-20 Projected TSAD 8806 Casing/Tubing Program Hole Liner/ Wt/Ft Grade Conn Burst Collapse Length Top Bottom Size Tbg O.D. (psi) (psi) MD/TVDss MD/TVDss 20" 94 H-40 - 1530 520 80' Surface 80'/24' 12-1/4" 9-5/8" 40# L-80 BTC-M 5750 3090 3200' Surface 3200'/3070' 8-3/4" 7" 26# L-80 VamTop 7,240 5,410 10,177' Surface 10177'/8655' 6-1/8" 41/2" 12.6# 13Cr-80 VamTop 8,430 7,500 3797' 10,027'/8525'(-150, lap) 13,824'/8810' 10,032'/8529' Tubing 4 %2" 12.6# L-80 TC-II 8,430 7,500 10,032' Surface (-5' into liner TBS) Z-34i PTD Page 4 5/2/2012 Mud Program Surface Hole Mud Properties: Drillplex 12-1/4" Hole Section Density LSYP YP API FL Chlorides Funnel Depth IntervalpH Viscosity ppg 2x3-6 rpm lb/100 ft2 m1/30min mg/I sec/qt 0'-Section TD' 8.8-9.4 " 30-50 40-80 NC <1000 10.8 60-120 Intermediate Mud Properties: LSND 8-3/4" hole section Depth Interval Density PV YP API FL HTHP FL MBT pH (ppg) 3200'-6162' MD To—500' MD Above 9.0 -9.5 12 - 18 20-28 <6 NC <18 9- 10 Overpressure 6162' 6662' 9.5 - 10.2 12 - 18 20-28 <6 NC <18 9- 10 To Top Overpressure 6662'-7181' To-200' MD above 10.2 - 10.4 12 - 18 20-28 4-6 10 - 12 18-20 9- 10 HRZ 7181'-Section TD 10.4- 10.5• 12-22 20-28 <4 <10 <20 9- 10 Production Mud Properties: Water Based Polymer Fluid (FloPro Or PowerPro) 6-1/8" hole section Density PV YP Low Shear Depth Interval API FL Rate MBT pH (ppg) (cp) (Ib/100ft2) Viscosity 10172'-TD 8.5-8.7 • <12 10 -20 >10 >15000 <4 8 - 9.5 Logging Program 12'/4"Surface: Sample Catchers- not required for surface hole Drilling: Dir/GR/Res Open Hole: None Cased Hole: None 8-3/4" Intermediate: Sample Catchers—as required by Geology Drilling: Dir/GR/Res/Neu/Den Open Hole: None Cased Hole: USIT in cement evaluation mode from top of 4-1/2" liner to surface. 6-'/8" Production: Sample Catchers—as required by Geology Drilling: Dir/GR/Res/Neu/Den Open Hole: _ None Cased Hole: None Z-34i PTD Page 5 5/2/2012 Cement Program Casing Size 9-5/8" 40#, L-80 Surface Casing Lead: Open hole volume +250% excess through permafrost and 40% excess below Basis: permafrost. Port collar used if hole conditions dictate Lead TOC: Surface Tail: Open hole volume +40% excess+ 80 ft shoe track Tail TOC: 1000 ft MD above casing shoe Total Cement Lead 390.5 bbls, 2192 cuft, 1178 sks of 11.0 ppg DeepCRETE, Yiels1.86 ft3/sk Volume: Tail 84.5 bbls, 474.4 cuft, 406 sks of 15.8 ppg Class G, Yield: 1.17 ft3/sk Casing Size 7" 26#, L-80 Intermediate Casing Lead: Open hole volume + 30% excess Basis: Lead TOC: 500 ft MD below surface shoe Tail: Open hole volume + 30% excess + 80 ft shoe track Tail TOC: 1000 ft MD above casing shoe Total Cement Lead 190.6 bbls, 1070 cuft, 582 sks of 11.0 ppg LiteCRETE, Yield: 1.84 ft3/sk Volume: Tail 38.1 bbls, 214 cuft, 184 sks of 15.8 ppg Class G, Yield: 1.16 ft3/sk Casing Size 4.5" 12.6#, 13Cr-80 Production Liner Lead: Open hole volume + 30% excess + 80 ft shoe track+ 150 ft liner lap + 200 ft DPxCsg Basis: excess Lead TOC: Liner Top Tail: None Total Cement Lead 88.1 bbls, 495 cuft, 321 sks of 15.8 ppg Class G w/gasblock, Yield: 1.54 ft3/sk Volume: _ Tail None Surface and Anti-Collision Issues Surface Shut-in Wells: There are no wells requiring shut-in due to sub-surface anti-collision or well house removal to move Doyon 14 over the Z-34 conductor slot. Hydrogen Sulfide Z-Pad is considered an H2S site. Recent H2S data from the pad is as follows: Well Name H2S Level Date of Reading #1 Closest SHL Well H2S Level Z-20 20 ppm 3/1/2011 #2 Closest SHL Well H2S Level Z-17 20 ppm _ 3/6/2011 #1 Closest BHL Well H2S Level Z-03A 5 ppm 3/4/2011 #2 Closest BHL Well H2S Level Z-39A 20 ppm 3/16/2011 Max. Recorded H2S on Pad/Facility _ Z-100 120 ppm 3/2/2010 Other Relevant H2S Data H2S Levels of 0-120 ppm have been recorded at Z-pad Z-34i PTD Page 6 5/7/2012 Faults Formation Fault MD TVD Est. Throw Throw Uncertainty Encountered Intersect Intersect Direction Fault#1 Highland State 3,430' -3,300 180' to 260' Southwest +/- 100' MD Fault- Ugnu, UG3 Fault#2 - Miluveach 8,500 --7,210 60'-70' Northeast +/- 150' MD Fault#3- Kingak, TJD 9,800 -8,330 -20'to-40' North +/- 150' MD Fault#4- Ivishak Zone 4 11,100 -8,950 0'to+20' South +/- 100' MD Fault#5- Ivishak Zone 4 11,980 -8,840 -20'to+40' NNE +/- 100' MD Fault#6- Ivishak Zone 4 12.480 -8850 +20 to +40 SSW +/- 100' MD Fault#7- Ivishak Zone 4 13,050 -8,960 -20'to-40' NNE +/- 100' MD Highland State Fault(Fault#1)was penetrated nearby in Z-39 and Z-103 in same geological interval with similar throw. Drilling Waste Disposal • There is 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 Class I waste to DS-04 and/or Pad 3 for disposal / Contact the GPB Environmental Advisors (659-5893)f/guidance. Well Control The 12-1/4" surface hole will be drilled with a diverter. The 8-3/4" intermediate and 6-1/8" production hole will be drilled with well control equipment consisting of 5,000 psi working pressure pipe rams (2), blind/shear rams, and annular preventer capable of handling the maximum potential surface pressures. Based upon calculations below, BOP equipment will be tested to 4000 psi (3500 psi on annular preventer). BOP test frequency for Z-34i will be 14 days with function test every 7 days. Except in the event of a significant operational issues that may effect well integrity or pose safety concerns, an extension to the 14 day BOP test period should not be requested. Intermediate Interval Maximum anticipated BHP 3570 psi at theTKC4 at 6730' TVD (10.2 ppg EMW) • Maximum surface pressure 2896, psi (.10 psi/ft gas gradient to surface) 25 bbls with 13.3 ppg frac gradient Kick tolerance Assumes 10.2 ppg pore pressure in the Kuparuk+0.5 ppg kick intensity and 10.4 ppg MW. Planned BOP test pressure Rams test to 4,000 psi/250 psi. Annular test to 3,500 psi/250 psi 7" Casing 4000 psi surface pressure Integrity Test—8-3/4" hole LOT after drilling 20'-50' from middle of window 7" Casing The VBRs will be changed to 7" rams to accommodate the 7" casing string. Z-34i PTD Page 7 5/2/2012 Production Interval Maximum anticipated BHP 3752 psi @ TSRG at 8740'TVD (8.2 ppg EMW) Maximum surface pressure 2872 psi (.10 psi/ft gas gradient to surface) Infinite with >9.1 ppg frac gradient Kick tolerance Assumes an 8.2 ppg max pore pressure in the Sag/lvishak+ 0.5 ppg kick intensity and 8.6 ppg MW. Planned BOP test pressure Rams test to 4,000 psi/250 psi. Annular test to 3,500 psi/250 psi Integrity Test—6-1/8" hole FIT after drilling 20'-50' of new hole, target 12.5 ppg FIT 4-1/2" Liner Top Packer 4000 psi surface pressure Planned completion fluids 9.2 ppg Brine/6.8 ppg Diesel Variance Request 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. After drilling past the larger rocks and wood sections, the flow paddle will be put back in the flow line (<1000'). Procedures/Safeguards with paddle removed: • Fluid levels will be monitored in the pits for both gains and losses while drilling. Alarms will be set to indicate if gain or loss of more than 5 bbls has occurred. .3 • The well will be monitored for flow when the pumps are off at each connection. • Over 50 surface holes have been drilled on Z-pad, including the recent Z-40 and Z-50 wells in 2012, providing a high level of confidence in the ability to drill surface hole on the Cpad without incident. • The planned 8.8 -9.4 ppg fluid will provide over balance to formation fluid. Z-34i PTD Page 8 5/7/2012 Z-34i General Operational Summary Proposed Drilling Rig Operations: 1. MIRU Doyon 14. 2. NU diverter spoo & riser. Function test the diverter. /(.1e4--; L..spe.:.fz,._ 3. PU 4"drill pipe as required to TD the surface interval and stand back in the derrick. 4. MU the 12-W drilling assembly with DIR/GR/RES on bent housing motor. Spud and directionally drill surface hole to base of permafrost. Gyro survey until magnetic interference clears up. CBU until hole is clean, then short trip to surface. Change out bit and dial down motor bend as required. 5. RIH and continue drilling surface hole to section TD at —3200 ft MD in shale above UG4. CBU until hole is clean. POH on elevators (if necessary pump out of hole, RIH to bottom until able to POH on elevators). Lay down BHA. 6. Run and fully cement 9-%", 40#, L-80, BTC-M casing to surface, displacing cement with drilling fluid. Bump plug and hold pressure for 5 minutes. 7. Nipple down the diverter spool and nipple up/test casing and tubing head. Nipple up the BOPE and test to 250-psi low/4,000-psi high. Test annular to 250-psi low/3,500-psi high. 8. Pressure test the 9-%"casing to 250 psi low/4,000 psi high for 5 minutes low/30 minutes high. 9. MU the 8-%" drilling BHA with PDC bit, bent housing motor and DIR/GR/RES/NEU/DEN/PWD and RIH to float collar picking up 4"drill pipe as required to TD the intermediate interval. 10. Drill shoe track and displace well to 9.0 ppg LSND drilling fluid. 11. Drill 20 ft of new formation below 9-%" shoe and perform LOT per SOP. Target a minimum 13.3 ppg EMW for 25 bbl kick tolerance.12. Drill 83/" intermediate interval to section TD in TSGR at—10,172' MD. Weight up drilling fluid using spike fluid maintaining the following density ranges: • 3200 ft MD-6162ft MD: 9.0-9.5 ppg • 6162ft MD-6662 ft MD: 9.5- 10.2 ppg • 6662 ft MD-7181 ft MD: 10.2- 10.4 ppg • 7181 ft MD-Section TD: 10.4 - 10.5 ppg 13. CBU until hole is clean (minimum 2x) and condition mud for 7"casing. 14. POH while rolling the pumps at 1/2 BPM to top of Kingak to minimize swab. Continue to POH on elevators and lay down BHA(if backreaming to get out of open hole is necessary, trip back to TD and POH on elevators final trip out). • Note: MAD pass Kuparuk formation and Schrader formation as required for NEU/DEN data. 15. Change upper rams to 7" and test 250 psi low/4000 psi high. 16. Run 7", 26#, L-80, VAM TOP HC casing. Cement the 7"casing to 500' MD below the 9-5/8" casing shoe (ensure this is more than 500 ft MD above the UG_Ma). Z-34i PTD Page 9 5/2/2012 17. Pressure test the 7"casing to 250 psi low/4,000 psi high for 5 minutes low/30 minutes high when the plug bumps. 18. Immediately following the casing pressure test initiate injection down the OA by pumping 5 bbls of drilling fluid to ensure annulus remains open for freeze protection. Continue to pump 3-5 bbls of drilling fluid down the OA every hour until the lead cement reaches 500 psi compressive strength. 19. Install the 7" casing pack-off through the stack and test to 250 psi low/5000 psi high for 5 minutes. 20. Change upper 7"casing rams to VBR rams and test to 250 psi low/4000 psi high. 21. Freeze-protect the 9-%"x 7" annulus, once the tail cement has reached 500 psi compressive strength. 22. MU the 6-W drilling BHA with PDC bit,Archer RSS, and DIR/GR/RES/NEU/DEN. RIH and begin drilling out shoe track. 23. Displace the well to 8.5 ppg Power-Pro SF fluid prior to fully drilling out shoe track. 24. Drill 20 ft of new formation and perform an FIT to 12.5 ppg. 25. Drill 6-1/8" hole to planned TD at—13,824 ft MD per directional plan. Geo steer as required by rig site geologist. Circulate bottoms up, until hole is clean. 26. Backream to the 7" casing shoe. Circulate bottoms up inside the shoe. Trip in hole on elevators to TD. Circulate bottoms up and pull out of hole on elevators. Lay down drilling BHA. 27. MU and run 4-'/2" 12.6# 13CR VAM TOP liner with approximately 6-hybrid (oil/water)swell packers to TD. 28. Fully cement the 4-1/2" production liner w/ 15.8 ppg Class G cement. Displace cement with Hi- Vis Power-Pro perf pill followed by used Power-Pro drilling fluid. 29. Set liner hanger and liner top packer and displace well to clean —8.5 ppg seawater above the liner top. 30. Pull out of hole with 4" drill pipe and lay down liner running tool. 31. RU E-line and run USIT/CBL log in cement evaluation mode from liner top to surface in the 7" casing. 32. Pressure test the 7" production casing, 4-1/2" production liner, and liner top packer to 250 psi low /4000 psi high for 5 minutes/30 minutes and record test. Ensure cement has reached 500 psi compressive strength prior to test. 33. MU drill pipe conveyed perf guns. RIH and perforate. Perforation intervals will be based on "as- drilled" LWD. POH and lay down drill pipe and perforation guns. Verify all shots fired. 34. RU and run a 4-W, 12.6#, 13CR, VAMTOP tubing with gas lift mandrels. Space out and land the tubing with tubing tail inserted into the liner tieback sleeve. Run in lock down screws. 35. Reverse circulate 9.2 ppg brine surface to surface. Spot 9.2 ppg corrosion inhibited brine in the tubing x casing annulus. 36. Drop the ball/rod and land on the RHC-M no-shear seat in the XN-nipple. Set packer and individually test the tubing and annulus to 4,000 psi for 30 minutes. Record each test. Z-34i PTD Page 10 5/2/2012 37. Shear the DCK valve in GLM. 38. Install TWC and test from above to 250 psi low/4000 psi high for 5 minutes each and from below to 250 psi low/4000 psi high for 5 minutes/30 minutes. 39. Nipple down the BOPE. Nipple up the adaptor flange and tree and test to 250 psi low/5,000 psi' high for 5 minutes each with diesel. 40. RU DSM Lubricator and test. Pull TWC. 41. RU circulating lines. Freeze protect the well to—2,200' TVD and allow diesel to U-tube reaching equilibrium. 42. Install a BPV. 43. Secure the well. Rig down and Move Off. Post Riq 1. Pull BPV. 2. Pull ball and rod/ RHC-M with slickline 3. Install gas lift valves as required. 4. Flowback per ASRC 5. Install flow lines and wellhouse. n� / y///�, r Z-34i PTD Page 11 5/2/2012 Z-34i Drilling Critical Issues POST THIS NOTICE IN THE DOGHOUSE I. Well Control / Reservoir Pressures: A. Surface Hole: No overpressure is expected in the surface hole and hydrates have been a minimal • concern in this area of the pad. No free gas is present on this side of the Highland State Fault. • B. Intermediate Hole: Expect up to 10.0 ppg overpressure in the Colville starting at —5875 ft TVDss. The overpressure is expected to increase to 10.2 ppg through the Kuparuk. Mud weight must be increased to a minimum of 10.2 ppg prior to drilling the Colville overpressure and 10.4 ppg prior to reaching the Kuparuk. C. Production Hole: The highest anticipated pore pressure in the production hole will be encountered in the Sag River at 8.2 ppg. The interval will be drilled with a minimum of 8.5 ppg drilling fluid to provide adequate trip margin. Higher pore pressures may exist in the Shublik, but this is a non permeable formation and is not considered a risk for flow. II. Lost Circulation/Breathing A. Surface Hole: Lost circulation is considered a minimal risk if mud properties remain in specification. B. Intermediate Hole: Breathing and/or lost circulation is a possibility due to 3 fault crossings. Breathing is also common in the Colville. The wellbore has been designed with a maximum mud weight of 10.5 ppg for over balance and wellbore stability. 10.5 ppg has historically been considered low enough to help prevent losses and breathing, however, ECD must be carefully managed to further reduce the risk. C. Production Hole: 4 fault crossings are planned in the production hole. Lost circulation risk is considered moderate. Z-40 crossed the same faults without issue. The overbalance is minimal, however, due to the number of fault crossings be prepared for lost circulation potential. Additionally, be prepared for breathing in the Shublik if fractures exist in the area. This has been an occasional problem across Prudhoe, but is considered a low risk on Z-pad. III. Kick Tolerance/Integrity Testing A. With the planned mud weights, the kick tolerance for the intermediate section is 25 bbls with a 13.3 ppg leak-off, and the production section is infinite with a 9.1 ppg leak-off. If planned LOT/FIT values are not achieved, do not drill ahead without risk assessment and proper authorization. All kick tolerances are calculated based on a 0.5 ppg kick intensity over likely pore pressure. IV. Integrity Testing Test Point Test Depth Test type EMW(lb/gal) 9-%"Shoe 20'-50'from the 9-5/8"Shoe LOT 13.3 ppg minimum(25 bbls) 14.5 ppg target(50 bbls) 7"shoe 20'-50'from the 7"shoe FIT 9.1 ppg minimum(infinite) 12.5 ppg target(infinite) V. Hydrogen Sulfide A. As Z-Pad is considered an H2S site, refer to the ADW "Hydrogen Sulfide" SOP for the appropriate operational guidelines. The max recorded H2S readings on the pad were 120 ppm in Z-100 March • 2010. Z-20 (closest well at surface) recorded 20 ppm in March 2011. Z-34i PTD Page 12 5/2/2012 VI. Faults MD TVThrow Formation Fault Encountered Intersect Int rsect Est.Throw Direction Uncertainty Fault#1 -Highland State Fault-Ugnu UG3 3,430 -3,300 -180'to-260' Southwest +/-100'M.D. Fault#2-Miluveach 8,500 -7,210 -60'to-70' NE +1-150'M.D. Fault#3-Kingak,TJD 9,800 -8,330 -20'to-40' North +1-150'M.D. Fault#4-Ivishak Zone 4 11,100 -8,950 0'to+20' South +/-150'M.D. Fault#5-Ivishak Zone 4 11,980 -8,840 -20'to-40' NNE +/-100'M.D. Fault#6-Ivishak Zone 4 12,480 -8,850 +20'to+40' SSW +/-100'M.D. Fault#7-Ivishak Zone 4 13,050 -8,960 -20 to-40' NNE +/-100'M.D. Fault#1 -Highland State Fault-Ugnu UG3 3,430 -3,300 -180'to-260' Southwest +/-100'M.D. Fault#2-Miluveach 8,500 -7,210 -60'to-70' NE +/-150'M.D. VII. Anti-Collision Issues A. There are no anti-collision issues. All off-set wells pass Major Risk analysis. The closest approach occurs at surface with the planned well Z-105. CONSULT THE Z-PAD DATA SHEET AND THE WELL PLAN FOR ADDITIONAL INFORMATION. Z-34i PTD Page 13 5/2/2012 /16 ELLHEAD= 41 WFMC Z-34fP ro osed F. YNOTES: ***CHROME MG*** ACTUATOR= Bectu.: KB. ELEV= 90.4 _ BE ELEV= 56.1' Mr Max Angle= 108 13509' 120 CONDUCTOR 108' = = TBD H9-5/8"TAM PORT COLLAR Datum MD= 10364' I ' 2000' 1--4-1/2"HES X NIP,ID=3.813" Datum TVDss= 8800' 19-5/8"40#L80 BTC-M ID=8.83511 3200' IA I , 3700' TOC-531 ft MD above Ug_Ma / -500 ft below surface shoe GAS LIFT MANDRELS Minimum ID = 3.725" ST MD TVD DEV TYPE VLV LATCH PORT DATE 6 TBD TBD KBG-2 DUM RK 1" 4-1/2" XN Nipple @ 10022' MD 5 TBD TBD KBG-2 DCK2 RK 1" 4 TBD TBD KBG-2 DUM RK 1" L 3 TBD TBD KBG-2 DUM RK 1" 2 TBD TBD KBG-2 DUM RK 1" 1 TBD TBD KBG-2 DUM RK 1" 9852' —14-1/2"HES X NIP,ID=3.813" 9912' 17"X 4-1/2"HES TNT PKR ID=3.870" I 9952' —14-1/2"HES X NIP,ID=3.813" ■ 4-1/2"TBG 12.6#13Cr-80 VT 0152 bpf ID=3.958"N 10032' 10022' —14-1/2"HES XN NIP,ID=3.725" ' 10027' 17"X 5"BKR ZXP PKR&Flexlock HGR w/TIEBACK SLV,ID=4.4" 7"CSG,26#, L-80,VT HC, .0383 bpf,ID=6.276" 1- 10177' 10032' —1WLEG 10027' HTOC of Fully Cemented Liner 4-1/2"Swell Packers ::N +/-6 Set on Each Side of Faults 0 PERFORATION SUMMARY REF LOG: TBD TIE-IN LOG: TBD r. =3 ANGLE AT TOP PERF: TBD = =3 Note: — SIZE _ SPF INTERVAL Opn/Sqz DATE 2-7/8" 6 TBD 0 TBD 4-1/2"Solid LNR, 12.6#, 13Cr-80,VT, ID=2.992" 1 13824' 1----k DATE REV BY COMMENTS DATE REV BY COMMENTS Prudhoe Bay UNIT 09/27/11 KEH Proposed Completion WELL: Z-34i PERMIT No: API No. SECXXTWPXXN RGEXXE FSL XXXX'FEL XXXX' - BP Exploration(Alaska) M 0 0 01^ QS000 00000 Om0(0 O(N0LL) N-NNNO O-mtnr N 0) EU) W 0 W ON MM MN W 00 0mm OLUmN O 0) - -00 C)QoNO) N d N.2 N N N_N N_ _4,406,--: 4',NR O 466,-,0 n 0 O r r O)t0 Oi 0 0 W _ O)0)O)0, N m to LL')tr) P'0 0 M M M e}m N 0 0OwO O O00000 0 0 0 0 00000 OOOOO 00000 OO OOOO 0000 00000 00000 00000 00000 00000 00000 0 M (0(0000 00000 mmmmm mmmmm (0(0(00(0 00,000 W N O m N 0 OMmM0mNOmmNh (00.),-, 0MMO 00^U00N NN 0 000,10 RNROm OmmU) ) N LO0ciOit0 .-N0(O ryoNofO \nQiof N-t00O0 roo o rt00000 M0 -LOU MN000,00 )0M WW VN..-ON Q N O OO OOOOO Ommmm n N.WWmmmNW NohWQ Q Mc,MMM M0)MO)O) mmm mm W W W W m mmm W W W W m W W CO CD Z W LL)m W W N m t0 t0 N h tt)LL)LL)LL) LL)tt)tt)LL)tr) tr)t.LL)m m N W LL)m N W 0 4)M M M M 0101 M M 0)0)O)Q)01O)O)O)O)O) tT O)to 0)M M 01 m W O) M LO.,... 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U c E ai W0(�I¢n V.7- a. 0. N c 2 � c 2 '?'8 217 m c 2 Cl c 2 W st NI- c C •c O 1- h a h 7`? 7 0l 7 W 0 NOL W 0 N W IL 0 N LL W 0 N W U IL N W I- in by 0 Schlumberger WELL FIELD STRUCTURE Z-34(P10b) Prudhoe Bay Unit-WOA Z-PAD Magnetic Parameters Surface Lo6Bon NA027 Nasky State Plane.Zone 04.US Feat M'aceemeous Model 8GCM 2011 Dip: 80972• Date'. Apd130,2012 Lot'. N 701751.597 Noren°. 5959100 13!MS Grid Cony 0.76337105• Slot 2-34(SM) TVD Ref'. Rotary 7e8e(90.4R above MSL) Map Dec'. 20.805• FS: 57644.607 :on'. W 14911 20.997 Easley: 600125 84 RUS Scale Fact 0.99991139 Plan'. Z-34(P10b)v6 S05 Date:September 21,2011 Z-34(P10b)v6 4000 4800 5600 6400 7200 O D_.._.._.._.._..a.._.._.._.._.._.._.._.._..s.._.._.._.._.._.._.._.._..-.._.._.._.._.._.._.._.._.s.._.._.._.._.._.._.._.._._. — Fault 3 Z-341gt 1 SAG 0 RTE W -.._ c_.. .7"Casing • .._.._.._.._.._.._.._..End Crv._.._.._.._.._.._.._.._.._.._..-..-..-.._.._.._.._.._.._.._.._.._.._._. Z-34 Tgt 5 KOP Bid 11.v 6. n%fgK/;9�.._.._ _.._.._.. _ -CN8f100:=::: _ _.._.._.._.._.._.._., _ _ - ••-!J4•(Pitri1O! _.._ _.._.._.._ 8800 =::_::* `=;:.-::*::_::_::_::_C::�_A:r:�_,,:�:=::31 61200::: ::::::::: =::r:::: '0mxav::::::::::c:.;.::_::_::_::_ _..=..=s:: 8800 .::s::.::.:: •:'::.::.::.::_::e•:?0... ::i::.:: =::=:::::.:::'e:: .:ta::.::.::.::s.: ::■:ul Bid 21100 0 - - - - - - - - - - .,,p.._.. - — - - - - - - -.r.._.._.._..- • -`-,:• n="0" . '' • .... • .oPrr oro-. Ts :.rcr.c..o..o.. ore- - ::: - ..ea..o..o..a.r ..o..o..o.._.._..-.. •- - - -.or•— - rri:rri:;m:rorao.eor U to Fault 5 End CryEnd Cry Q End Cry Fault 4 Cry 61100Tgt Z-34 6 Fault 72-34 Tgt 7 1200 _ •A _.._, Z-34 Tgt 3 Cry 6/100 End Cry Cry 61100 4000 4800 5600 6400 7200 "••_'_• g::::•' Vertical Section ftAzim=164.8°,Scale=1 in 800 ft Origin=0 NI-S,0 E/-V 2400 • •V3 • • 2400 Fault Al 3600 3600 o o _.._._.._.._.._ .._.._.._t_.._.._.._.._.._.._.._.._._.._.._.._.._.._.._.._.._._.._. ON Eii.iilEiiEMEiiri -.::..inn: E _U..i ...•Eii!!!i€:E Eli Eii_. II _.._.9_..-.._.._.._.. .._f-.._.._.._.._.._.._.._.._4_.._.._.._••_.._.._.._.._I._.._. O) End Cry co4800 "'_.'_.._.._.._.._.._.._ ._.._.._.._.._.._.._.._.._._.._.._.._.._.._.._.._.._`._.._. 4800 cn 0 • Top 6P 6000 - • -1 6000 Cry 41100 II . . . . . . . . . r_rrrrrrrrrrrr :arrrrrr rrrr r rr :a .d!!!!!!!!!!!!!!1!!!!!!! ..ff.faaf.aa r.rr.r Fault 2 7200 •••• 7200 End Cry w oof.fi.u.a...“B..u.:uo.u.:uu.n.::.fun.:u..u.n.ovta y1Lt aa.fu o.u.I Faut3 8400 8400 • e s nnens::s::s::s::s::e::eC■nmnsne::s::s::sn.n.f:.::s::.:i4llagt1: :: 'i • Cry 10 shoo 9(P10b)v6 O 1200 2400 3600 Vertical Section(ft)Azim=164.8°,Scale=1(in):1200(ft) Origin=0 N/-S,0 E/-V by 0 Schlumberger WELL FIELD STRUCTURE Z-34 (P10b) Prudhoe Bay Unit-WOA Z-PAD Magna.Parameters Surface Location NAD27 Alaska State Plane,Zone 04,US Feet Miscellaneous Model'. BGGM2011 DP: 80972' Date'. April 30,2012 tat N 70 17 51 597 Northing.. 6959100.13(WS Grip Cony:0.76337105' SUt Z-34(S% NO Ret'. MSL(OSMbw MSL) Meg Dec: 20.805' FS: 57644.6nT Lon: W 14911 20.9997 Easdng. 600125.84515 Scab Fact 0 99991139 Phn: Z-34(P10b)v6 Srvy Date'.September 21.2011 -1000 0 1000 2000 3000 4000 RTE KOP Bld 1/100 0 Bld 2/100 a 0 End Cry 95/8"Casing Z-34 Fn 1 3300s Fault#1 Cry 3/100 N -1000 0 4••• -1000 Erod Cry Top OP -2000 Cry 4/100 -2000 Fault 2 Z-34 Fn 2 721Oss A A End Cry Z o -3000 r Fault 3 -3000 O Z-34 Tgt 1 SAG pp, -34 Fn 3 8360ss O 7"Casing1115 la I-7.... Cry 10.5/100 ff II End Cry N 95%Confi4ence CO Cry 6/100 / Z-34 Tgt 3 -4000 /FIt4•895Oss- 4•••• -4000 to i ✓ End Cry 11, Fault 4 V ill V Cry 6/100 234 Tgt 4 '®• End Cry Ma: Faun S -5000 , Cry 6/100 f / -n,5.9840., -5000 Z-34 Tgt 5 � End Cry .-gig Fault 6 Cry6/100 1111 ,34 Fn 6 8850ss Z-34Tgt 6 '-. End CCry / -6000 Cry6/100 Fault7 -6000 Z-34 Tgt 7 I-34 Fn 7 8960ss End Cry '_ TD Z-34(P10b) - Mgr • -34 FE 8 870 -7000 -7000 -1000 0 1000 2000 3000 4000 «< W Scale=1(in):1000(ft) E >>> — o —o — o o —- o —o — o • —m — a —o CD N ci) - AM —0 n tcs CD a>@NMO a>N _8 D N c c c mmasco daaa.n_ - U :3- ic —cD 0 n` CD 121 0 Cv - o o o. - (2) D -o o —O) N N —8 co —8 n - 0 —o (.0 - 0 —o 0 0 —o —8 0 — N O —O - r - 0 in O f� 1� CD CO 1() 1[) V V co C') N N r (ow;0I.)uogeiedag aJ;ua3 of aJ;uao BPPASSPORT Anticollision Report Company: North America-ALASKA-BP Local Co-ordinate Reference: Site PB Z Pad Project: Prudhoe Bay TVD Reference: Z-34 plan @ 90.40ft(Doyon 14) Reference Site: PB Z Pad MD Reference: Z-34 plan @ 90.40ft(Doyon 14) Site Error: 0.00ft North Reference: True Reference Well: Plan Ivi Z-34(SM)v6 Survey Calculation Method: Minimum Curvature Well Error: 0.00ft Output errors are at 1.00 sigma Reference Wellbore Plan Z-34 Database: EDM.16-ANC Prod-WH24P Reference Design: Plan#10b Z-34 current Offset TVD Reference: Offset Datum Reference Plan#10b Z-34 current Filter type: GLOBAL FILTER APPLIED:All wellpaths within 200'+100/1000 of refers Interpolation Method: MD Interval 5.00ft Error Model: ISCWSA Depth Range: Unlimited Scan Method: Tray.Cylinder North Results Limited by: Maximum center-center distance of 1,578.96ft Error Surface: Elliptical Conic Survey Tool Program Date 9/21/2011 From To (ft) (ft) Survey(Wellbore) Tool Name Description 34.30 500.00 Plan#10b Z-34 current(Plan Z-34) GYD-GC-SS Gyrodata gyro single shots 500.00 2,000.00 Plan#10b Z-34 current(Plan Z-34) MWD MWD-Standard 500.00 3,200.02 Plan#10b Z-34 current(Plan Z-34) MWD+IFR+MS MWD+IFR+Multi Station 3,200.02 4,700.00 Plan#10b Z-34 current(Plan Z-34) MWD MWD-Standard 3,200.02 10,171.77 Plan#10b Z-34 current(Plan Z-34) MWD+IFR+MS MWD+IFR+Multi Station 10,171.77 11,650.00 Plan#10b Z-34 current(Plan Z-34) MWD MWD-Standard 10,171.77 13,823.94 Plan#10b Z-34 current(Plan Z-34) MWD+IFR+MS MWD+IFR+ Multi Station I 9/21/2011 2:29:36PM Page 2 of 4 COMPASS 2003.16 Build 73 BPPASSPORT Anticollision Report Company: North America-ALASKA-BP Local Co-ordinate Reference: Site PB Z Pad Project Prudhoe Bay TVD Reference: Z-34 plan @ 90.40ft(Doyon 14) Reference Site: PB Z Pad MD Reference: Z-34 plan @ 90.40ft(Doyon 14) Site Error: 0.00ft North Reference: True Reference Well: Plan Ivi Z-34(SM)v6 Survey Calculation Method: Minimum Curvature Well Error: 0.00ft Output errors are at 1.00 sigma Reference Wellbore Plan Z-34 Database: EDM.16-ANC Prod-WH24P Reference Design: Plan#10b Z-34 current Offset TVD Reference: Offset Datum Summary Reference Offset Centre to No-Go Allowable Measured Measured Centre Distance Deviation Warning Site Name Depth Depth Distance (ft) from Plan Offset Well-Wellbore-Design (ft) (ft) (ft) (ft) PB Z Pad Plan lvi Z-40(SI)v6-Plan Z-40-Plan#15 Z-40 v 1,254.45 1,250.00 136.07 22.58 114.03 Pass-Major Risk Plan Ivi Z-42(NP)v6-Plan Z-42-Plan#5 Z-42 vE 387.89 380.00 150.20 7.21 142.99 Pass-Major Risk Plan lvi Z-50(SA)v6-Plan Z-50-Plan#8 Z-50 vE 1,018.83 1,015.00 293.10 16.72 276.38 Pass-Major Risk Plan lvi Z-55(SB)v6-Plan Z-55-Plan#4 Z-55 vE 976.62 975.00 278.01 15.87 262.14 Pass-Major Risk Plan Ivi Z-61 (NF)v6-Plan Z-61-Plan#4 Z-61 vE 525.57 520.00 242.55 9.45 233.09 Pass-Major Risk Plan Ivi Z-62(NC)v6-Plan Z-62-Plan#2 Z-62 vi 764.94 765.00 283.33 10.98 272.38 Pass-Major Risk Plan lvi Z-66(SC)v6-Plan Z-66-Plan#14 Z-661 576.28 575.00 265.82 10.27 255.55 Pass-Major Risk Plan lvi Z-68(SP)v6-Plan Z-68-Plan#7 Z-68 531.91 530.00 45.54 9.28 36.26 Pass-Major Risk Plan Ivi Z-69(NJ)v6-Plan Z-69-Plan#3 Z-69 v6 515.51 510.00 186.59 9.32 177.27 Pass-Major Risk Plan Ivi Z-70(SF)v6-Plan Z-70-Plan#6 Z-70 vE 862.31 855.00 203.64 14.18 189.50 Pass-Major Risk Plan Kup Z-105(SN)v6-Plan Z-105-Plan#4 Z-1 587.75 580.00 15.94 9.92 6.02 Pass-Major Risk Plan Kup Z-105(SN)v6-Plan Z-105PB1 -Plan# 607.71 600.00 16.19 10.52 5.67 Pass-Major Risk Plan Kup Z-115(NG)v6-Plan Z-115 w/PH-Plan 449.24 450.00 230.84 8.44 222.40 Pass-Major Risk Plan Kup Z-115(NG)v6-Plan Z-115 wo/PH-Pla 449.24 450.00 230.84 8.28 222.56 Pass-Major Risk Plan Kup Z-115(NG)v6-Plan Z-115PB1 -Plan# 449.24 450.00 230.84 8.44 222.40 Pass-Major Risk Plan Sch Z-201 (NM)v6-Plan Z-201 -Plan#6 Z-: 480.93 475.00 140.67 8.64 132.04 Pass-Major Risk Plan Sch Z-202(NB)v6-Plan Z-202-Plan#2 Z 4,900.00 8,735.00 159.73 109.23 51.79 Pass-Major Risk Plan Sch Z-203(SO)v6-Plan Z-203-Plan#3 Z 412.88 405.00 30.93 7.70 23.23 Pass-Major Risk Plan Sch Z-211 (SJ)v6-Plan Z-211-Plan#5 Z-2 950.61 945.00 127.20 15.54 111.69 Pass-Major Risk Plan Sch Z-212(NO)v6-Plan Z-212-Plan#3 Z-2 382.90 375.00 145.58 7.11 138.46 Pass-Major Risk Plan Sch Z-213(NL)v6-Plan Z-213-Plan#3 Z-2 422.40 415.00 168.32 7.82 160.51 Pass-Major Risk Plan Sch Z-214(SK)v6-Plan Z-214-Plan#2 Z-2 848.81 850.00 90.14 13.76 76.46 Pass-Major Risk Plan Sch Z-215(SH)v6-Plan Z-215-Plan#2 Z-2 923.04 930.00 149.75 15.09 134.73 Pass-Major Risk Plan Sch Z-216(NI)v6-Plan Z-216-Plan#2 Z-2 432.22 425.00 196.73 7.98 188.75 Pass-Major Risk Plan Sch Z-217(NN)v6-Plan Z-217-Plan#3 Z 327.90 320.00 142.43 6.08 136.35 Pass-Major Risk Z-03-Z-03-Z-03 4,522.29 4,795.00 377.57 104.26 277.61 Pass-Major Risk Z-03-Z-03A-Z-03A 4,522.29 4,795.00 377.57 104.05 277.69 Pass-Major Risk Z-103-Z-103Z-103-Z-103-Z-103 3,913.57 4,085.00 221.60 60.50 168.24 Pass-Major Risk Z-103-Z-103PB1 -Z-103PB1 3,913.57 4,085.00 221.60 60.50 168.24 Pass-Major Risk Z-103-Z-103PB2-Z-103PB2 3,913.57 4,085.00 221.60 60.50 168.24 Pass-Major Risk Z-11-Z-11 -Z-11 4,067.54 4,245.00 553.75 74.55 479.53 Pass-Major Risk Z-11-Z-11A-Z-11A 4,067.54 4,245.00 553.75 74.66 479.42 Pass-Major Risk Z-113-Z-113-Plan#8 Z-113 424.56 425.00 218.34 7.25 211.09 Pass-Major Risk Z-113-Z-113-Z-113 424.56 425.00 218.34 7.25 211.09 Pass-Major Risk Z-113-Z-113PB1 -Z-113PB1 424.56 425.00 218.34 7.09 211.25 Pass-Major Risk Z-16-Z-16-Z-16 1,757.14 1,760.00 396.55 44.02 353.42 Pass-Major Risk Z-16-Z-16A-Z-16A 1,757.14 1,760.00 396.55 44.07 353.37 Pass-Major Risk 47 Z-17-Z-17Z-17-Z-17-Z-17 2,913.39 3,000.00 125.99 64.92 62.03 Pass-Major Risk Z-18-Z-18-Z-18 2,043.47 2,090.00 164.43 46.70 119.75 Pass-Major Risk Z-20-Z-20-Z-20 1,250.00 1,250.00 336.10 21.83 314.29 Pass-Major Risk Z-39-Z-39-Z-39 3,706.98 3,830.00 140.98 75.86 68.67 Pass-Major Risk Z-39-Z-39A-Z-39A 3,706.98 3,830.00 140.98 75.93 68.60 Pass-Major Risk Z-46-Z-46A-Z-46A 1,072.40 1,060.00 369.85 19.82 350.44 Pass-Major Risk Z-65-Z-65-Plan#13 Z-65 v6 1,522.93 1,520.00 200.86 27.58 173.28 Pass-Major Risk Z-65-Z-65-Z-65 1,552.17 1,550.00 207.12 28.89 178.23 Pass-Major Risk 9/21/2011 2:29:36PM Page 3 of 4 COMPASS 2003.16 Build 73 Project: Prudhoe Bay Site: PB Z Pad Well: Plan Ivi Z-34 (SM)v6 From Colour To MD Wellbore: Plan Z-34 Design: Plan #10b Z-34 current 10 ca /1/ i 1000 1500 03- Q`,14 - 1o` Q47 — 1500 2000 From Surface to 9-5/8'• c _�� 2' � 2000 2500 Scan interval 25 ft 4 r� c' Scale 1 : 50 �° ti ti co 2500 3000 e ^" r A' .Z. gTh 3000 5000 All wells pass major risk ti co �� ti ti ' 0 \�c x° Ary 5000 7000 •c c Q a\`.----7/' C �� 7000 10000 SCO , Q." ..... 24 `-t/'tQ cmc 10000 __.___ 14000 330�r-.4q,a` 13 t { ----7, 8 30 )L1‘92 10 /8;1163 1030 / �l.. 964 1145 1008 /im ,� 112t-A' /A _�80�� 10 i 300 `" 318 'n98 dL 963 60 ^a 0 ' 596 107 `�� 941 tr) �o3 ,`�,� 9"J 1 4� ® 1r,alive 75 N J itl PI t_se r 1�`�1 ►� ti _,, c 9 ifile _� N'� �l1,yr\.jn�� %r5. \ 14 w2 , 1° p23c2r� " »�,��, "'if"'r" b ��,,,`liritt:.i; 2 � b�c�h��y11?�'�r y .0.*A'5 if'{ M31 Y'!c 69941{ 'Q yam ti 9 v 4 1 ` 'Y"485 270 `�; `~�-•`\, ! • - ) 1 i '--rti o'—�90 i co -/--- s �;5 .�� \ _..�i,� U�2�s4?BI�OW.:�5Q0-, ."`�c 12114516.191 IF - \ 001%401A111114k • - - - „to ,4,(014111111, 7 i17: ' 14.r9#/11 \\ 240 ;\ Ps :, 4;64,r4ii",„1„_,,l,,„8l120 47O '`r M,rI\\ ' 4 8 '20 .i44r-1.,li4fr- i /tlp.-.1a,ik�� ' 1� 210 `rk **),V •�, 1 !�`x, 150 Nor rf.., 180 Travelling Cylinder Azimuth (TFO+AZI)[0]vs Centre to Centre Separation [50 ft/in] Project: Prudhoe Bay Site: PB Z Pad Well: Plan Ivi Z-34(SM)v6 From Colour To MD Wellbore: Plan Z-34 Design: Plan #10b Z-34 current 34 500 500 1000 1000 1500 1500 2000 From 9-5/8"to 7" 2000 2500 Scan interval 25 ft Scale 1 : 50 2500 3000 - 3000 — 5000 All wells pass major risk 0 5000 7000 r ip 7000 10000 '��- lir! 10000 14000 330 �� I, ,,.30..a . . K. 4. :i ., • . ll di, irdifyiraliiiiiiiiiipoilt t' ; °vriir vr'fireffrifriAsS t *,..,„, 1 441 A4 AA *A t N. 300 .� . .♦ . . �' ,,, �' o�4404,14-14 0%,,414'.Am�,......, w 1,111144414 60 IA 1P411144.Nif.e.:Z .- g'�`` 5' ilk ►k 270iioll i•� 0 illitikktv.„ . , 014por-wrikk,- 0 #4000.1.*, 5 i / / Ifni)91111 4848 / 4$11101111,11116k , �•k 240 4862 �� `'�= 120 4877 ,/41 . �� eqp, i ► • .4400/ Apr Ar Oppalialljklitti , W� .zryoti1411111110 :47® ,� 210 ��50 1a0 Travelling Cylinder Azimuth (TFO+AZI)[0] vs Centre to Centre Separation [50 ft/in] Project: Prudhoe Bay Site: PB Z Pad Well: Plan Ivi Z-34 (SM)v6 From Colour To MD Wellbore: Plan Z-34 Design: Plan#10b Z-34 current 34 500 500 1000 1000 1500 1500 _.-- 2000 From 7"to TD 2000 2500 Scan interval 25 ft Scale 1 : 100 2500 3000 3000 5000 All wells pass major risk 0 5000 7000 3 I 7000 10000 10000 14000 330 30 300 250 201 \V A 300 60 15/ \\ \ -/ /, �� / \ \ \\\\ \ .\ fi\ A \A1 I � � I (7/ �� Ilk v � yA SAI 1 270 90 ::____ . - __-------,_. \- _- i \\([\ / / III \ yv \ v \ vv \$ 7\\[ \1F' vvv / / / / ! / \ \\;\ ,)\-\ \ \\\ \ \ \ \ \\\,\ \-, -,_:- - _ _ - / / i / // \//\\/\/\ /7---:\l"/\'''\/-\' 240 A , __�_ .. /,>//' ' „, 120 1 " 300 210 150 I 350 180 Travelling Cylinder Azimuth (TFO+AZI)[°]vs Centre to Centre Separation [100 ft/in] !ill' --A 0.: . G 13 ooN 1 _ , F co øI 1 i ! 1 !,, . i ,, 1 . -3.--r , 1 E a :--- 1 - _ .- 4 I ,., i iiin• .U. ..) A,* • 5' r s, •ii , •, F V-1 ').-ri .. ..irg in - -, ,•••••. 4 :1'4' ,--_...__.,:„ - f l)1 • — • k ) il -1- --- 111110. - - ,,.• — 4Milli --4\--411111111111111111NO - - - _..., ,...)1 ,•Ii -- 4.111111111111F W 1 , _________ , ril . . 111111111Milam - _t.t• :"I •r: 0 C alliss=gmr- - -I'- .. ________ -1 .I- •-•,••r--. • • __ — 3o r-• riil all NI _}-....4,-- : •i! • '7F:. < -1 -L-(.4:. i L. : • ., ................, I , . aii--..". J .„,. - _ a i .1 I It I 0 O IiiiiI .7—:.—, I 111 1111 ,..--...._ 1111 , --,.. MUM '1111111111 11111111111111.111- 1 i ..;.4 i Li I 1 8 : ,.. . , , :. ..:: .4 [.. 11..i. ._,,, i 0 0 , 1 .0. 1 it:?.t: Airli •.t. - U 1 ' :! 1111 1,7' 1 III i in 0 111 ..> imm ......1 I '1--- r--, — I .._, =MEM - 1 ...,,, ?-- 1 :f• , ,:i- z r s,.,. ,ic ) •., fi: ".1 l''' Cr.7% 1 ,�� f v-o' tc..) ,_�—N— 1 1 Ir GRID l� 3 t) `Z,�-' 9 • ■ 33 '� ► J SPINE RD `� ,! 2 \ . 7 • ■ 31 �i �.. ry� W-PAD" 6 ■ ■ 30 1 k.,, �115 •■ ,-, ■ 29 . • Z-PAD Id \� , ip •,t 108 : •■ 28! r i ■ 1?�0. THIS PRO'` �t /c C5 - 3 ■ � 1161 I f7h7 PROJECT '� ' S_ �T)' 2 ■ ■ 1041 q 1 .} -.1 F,, ■ 1131 1y ti ■ 1031 5 1 ■ ■ SPARE-A ■ P-504A J- .; y ® ■ P-5048 (1 r 1 1111110 VICINITY MAP I 0 NTS ■ 21 ■ 22 39 ■ 11 ■ 11123 12 ■ ■ 24 13 ■ ■ 25 ■ 26 14 • , %%1�ithi� i 15 ■ i SLOT `'►`�`E OF•AL ! 16 ■ ■ SLOT 4 r`P�••°!� °'•;s ,"f ■ ■ 101 C?,•• ,.--� "....-1- 17 q ♦f SURVEYOR'S CERTIFICATE 7 18 ■ ;7Q I HEREBY CERTIFY THAT I AM 6 j Z -PAD 271 PROPERLY REGISTERED AND LICENSED y TO PRACTICE LAND SURVEYING IN ►M THE STATE OF ALASKA AND THAT 20 ■ THIS AS-BUILTA _••••.••.°°•°, •>•°••••••••••Y MADE BY ME ORRUNDEREMY DIRECTVEY T ' S5 51i .p' .ichard F. Allison ...s., # AND THAT ALL DIMENSIONS SUPERVIN AND OTHER DETAILS ARE 66 �2 �� 6�$ •. i4 ! CORRECT AS OF JULY 02, 2011. • 65 _ 57 F,,' •� �° q ''�.s 44) 21 G 70 - 1131 f 61 ,I�� r�,« �,N` ii 211 LEGEND 105 — 2071 ® AS-BUILT CONDUCTOR 268 422i ■ EXISTING WELL CONDUCTOR NOTES: 1. ALASKA STATE PLANE COORDINATES ARE ZONE 4, HAD 27. • 2. HORIZONTAL CONTROL IS BASED ON Z PAD CONTROL MONUMENTS MON 2 AND MON 3. 3. VERTICAL CONTROL IS BASED ON Z PAD MONUMENTATION. 4. ELEVATIONS ARE BPX MEAN SEA LEVEL (M.S.L) DATUM. 5. GEODETIC DATUM IS NAD27. 6. PAD AVERAGE SCALE FACTOR IS 0.999911213. 7. DATES OF SURVEY: JUNE 28-30, JULY 1-2, 2011. 8. REFERENCE FIELD BOOKS: NS11-44 PGS. 1-75; NS11-46 PGS. 1-9. AS-BUILT WELL CONDUCTORS ' 34i, 40, 42, 50, 511, 55. 57, 61, 62, 65, 66, 68, 69, 70, 105, 113, 115, 201, 202, 203, 2111, 212i, 213i, 214i, 2151. 216i, 217i, 2181, SD, SG, SL, NK F. Robert. oeArat Y BAIiNHAR T_ lit !, 0- 7/1/11 FRO,1 Woz 21 p p ni WOA Z-PAD WU ®1u �� u . WRD PAD EXPANSION ea 7/l/11 FOR B+FaaMAnON >ra ++ ;,�'VIC �• - AS—BUILT WELL CONDUCTORS 1LE 3 MI RR/10. DATE FEV!5!!vs BY G% e•orrc NAM Iwo LOCATED WITHIN PROTRACTED SEC. 19, T. 11 N., R. 12 E., UMIAT MERIDIAN, ALASKA WELL A.S.P. PLANT GEODETIC GEODETIC CELLAR SECTION NO. COORDINATES COORDINATES POSITION(DMS) POSITION(D.DD) BOX ELEV. OFFSETS y= 5,959,100.13 • N= 1,179.09 70'17'51.597 70.2976658' 4,292' FSL • 341 X= 600,125.84 • E= 1,870.12 149°11'20.998" 149.1891661° 56.1' • 2,552' FEL • Y= 5,959,100.17 N= 1324.00 70'17'51,616" 70.2976711' 4,294' FSL 40 X= 599,980.94 E= 1870.16 149°11'25.221" 149.1903392' 56.0' 2,697' FEL Y=5,959,239.95 N= 1,126.45 70'17'52.965" 70.2980458' 4,431' FSL 42 X= 600,178.47 E= 2,009.96 149°11'19.409" 149.1887247' 56.0' 2,497' FEL Y= 5,959,100.19 N= 1,473.93 70°17'51.636" 70.2976767' 4,296' FSL 50 X= 599,831.02 E= 1,870.18 14911'29.591" 149.1915531' 56.2' 2,847' FEL Y=5,959,240.04 N= 1,466.46 70'17'53.011" 70.2980586' 4,435' FSL 51i X= 599,838.49 E= 2,010.05 149'11'29.319" 149.1914775' 55.9' 2,837' FEL Y= 5,959,100.12 N= 1,458.95 70'17'51.634" 70.2976761' 4,295' FSL 55 X= 599,846.00 E= 1,870.11 149'11'29.155" 149.1914319' 56.1' 2,832' FEL Y=5,959,240.04 N= 1,421.49 70'17'53.005" 70.2980569' 4,435' FSL 57 X= 599,883.46 E. 2,010.05 149'11'28.009" 149.1911136' 55'9 2,792' FEL Y=5,959,239.97 N= 1,376.44 70'17'52.998" 70.2980550° 4,434' FSL 61 X= 599,928.50 E= 2,009.98 149'11'26.695" 149.1907486° 55.9' 2,747' FEL Y=5,959,239.94 N= 1,436.45 70°17'53.006" 70.2980572' 4,435' FSL 62 X= 599,868.50 E= 2,009.95 149'11'28.445" 149.1912347' 56'0' 2,807' FEL Y= 5,959,100.15 N= 1,398.94 70'17'51.626" 70.2976739' 4,295' FSL 65 X= 599,906.01 E= 1,870.14 : 149°11'27.405" 149.1909458' 56.1' 2,772' FEL Y= 5,959,100.11 N= 1,443.99 1 70°17'51.632" 70.2976756° 4,295' FSL 66 X= 599,860.96 E= 1,870.11 149°11'28.719" 149.1913108' 56.2' 2,817' FEL Y=5,959,100.23 N= 1,134.00 7017'51.592" 70.2976644' 4,291' FSL 68 X= 600,170.92 E= 1,870.22 149'11'19.683" 149.1888008' 55.9' 2,507' FEL Y=5,959,239.94 N= 1,301.49 70'17'52.988" 70.2980522° 4,433' FSL 69 X= 600,003.45 E= 2,009.95 149'11'24.511" 149.1901419' 56.1' 2,672' FEL Y= 5,959,100.10 N= 1,384.02 70'17'51.624" 70.2976733' 4,294' FSL 70 X= 599,920.93 E= 1,870.09 149'11'26.971" 149.1908253' 56.2' 2,757' FEL Y=5,959,100.05 N= 1,163.88 70°17'51.594" 70.2976650° 4,291' FSL 105 X= 600,141.04 E= 1,870.04 149'11'20.554" 149.1890428' 55'9 2,537' FEL Y=5,959,239.90 N= 1,346.45 70'17'52.994" 70.2980539' 4,434' FSL 113 X= 599,958.49 E= 2,009.91 149'11'25.821" 149.1905058' 56.0' 2,717' FEL Y=5,959,240.03 N= 1,361.38 70°17'52.997" 70.2980547' 4,434' FSL 115 X= 599,943.56 E. 2,010.04 149'11'26.256" 149.1906267' 55.9 2,732' FEL NOTES: 1. ALASKA STATE PLANE COORDINATES ARE NAD27, ZONE 4, 2. HORIZONTAL CONTROL IS BASED ON Z PAD CONTROL MONUMENTS MON 2 AND MON 3. 3. VERTICAL CONTROL IS BASED ON Z PAD MONUMENTATION. 4. ELEVATIONS ARE BPX MEAN SEA LEVEL (M.S.L.) DATUM. 5. PAD AVERAGE SCALE FACTOR IS 0.999911213. AS-BUILT WELL CONDUCTORS: 34i, 40. 42. 50, 511, 55. 57. 61, 62, 65, 66, 68, 69, 70, 105. 113, 115. 201. 202. 203, 2111, 2121, 2131. 214i, 2151, 2161, 2171, 2181, SD, SG, SL, NK F Robert 1 OAA" ' BARNHART darE 7/ JACOBSØbp ---- n ,;• 1111 -- ORAWMIG: FRE. WOZ 21 WOA Z PAD 1 assoc ""v S,.,LE WRD PAD EXPANSION 2 3 est 7../i/I ISSUED FOR INFORMATION to 04.1419IS � WO=MIAS Q, 1" = 200 AS—BUILT WELL CONDUCTORS NO. 041£ RnVISICN i 331 LHR .oc,uw"„�s vw LOCATED WITHIN PROTRACTED SEC. 19, T. 11 N., R. 12 E., UMIAT MERIDIAN, ALASKA WELL A.S.P. PLANT GEODETIC GEODETIC GRAVEL SECTION NO. COORDINATES COORDINATES POSITION(DMS) POSITION(D.DD) PAD ELEV. OFFSETS Y=5,959,240.18 N= 1,171.46 7017'52.973" 70.2980481' 4,432' FSL 201 X= 600,133.47 E= 2,010.19 14911'20.721" 149.1890892' 56.6' 2,542' FEL Y=5,959,239.94 N= 1,451.46 70'17'53.008" 70.2980578' 4,435' FSL 202 X= 599,853.49 E= 2,009.95 149'11'28.882" 149.1913561' 55'9 2,822' FEL Y=5,959,100.03 N= 1,148.96 70'17'51.592" 70.2976644° 4,291' FSL 203 X= 600,155.96 E= 1,870.02 149'11'20.119" 149.1889219' 56'0' 2,522' FEL Y=5,959,100.23 N= 1,308.95 70'17'51.615" 70.2976708' 4,293' FSL 211i X= 599,995.99 E= 1,870.22 149'11'24.783" 149.1902175' 55'9 2,682' FEL Y= 5,959,240.11 N= 1,141.47 70'17'52.969" 70.2980469' 4,431' FSL 212i X= 600,163.45 E= 2,010.12 14911'19.847" 149.1888464' 56.4' 2,512' FEL Y=5,959,240.04 N= 1,271.44 70'17'52.985" 70.2980514' 56.1' 4,433' FSL 2131 X= 600,033.50 E= 2,010.05 14911'23.635" 149.1898986' 2,642' FEL Y=5,959,100.25 N= 1,293.88 70'17'51.613" 70.2976703' 4,293' FSL 214, X= 600,011.06 6= 1,870.24 149'11'24.343" 149.1900953' 56.2' 2,667' FEL Y=5,959,100.14 N= 1,354.05 70'17'51.620" 70.2976722' 4,294' FSL 215, X= 599,950.89 E= 1,870.13 149'11'26.097" 149.1905825' 56.2' 2,727' FEL Y=5,959,240.09 N= 1,316.42 70°17'52.992" 70.2980533' 4,433' FSL 2161 X= 599,988.52 E= 2,010.10 149'11'24.946" 149.1902628' 56.0' 2,687' FEL Y=5,959,239.98 N= 1,156.36 7017'52.970" 70.2980472' 4,431' FSL 217i X= 600,148,56 E= 2,009.99 149°11'20.281" 149.1889669° 56.2° 2,527' FEL Y=5,959,239.98 N= 1,391.46 70°17'53.000" 70.2980556° 4,434' FSL 2181 X= 599,913.48 E= 2,009.99 149°11'27.133" 149.1908703' 55.9' 2,762' FEL y= 5,959,100.11 N= 1,429.03 70'17'51.630" 70.2976750' I 4,295' FSL SD X= 599,875.92 E= 1,870.10 149'11'28.283" 149.1911897' 1 56.4' 2,802' FEL Y=5,959,100.09 N= 1,369.02 70'17'51.621" 70.2976725° 4,294' FSL SG X= 599,935.92 E= 1,870.08 149'11'26.533" 149.1907036' 56.2' 2,742' FEL Y= 5,959,100.01 N= 1,279.00 70'17'51.609" 70.2976692° 4,293' FSL SL X= 600,025.94 E= 1,870.00 149°11'23.910" 149.1899750° 56.3' 2,652' FEL Y=5,959,239.85 N= 1,286.54 70'17'52.985" 70.2980514' 4,433' FSL NK X= 600,018.40 E= 2,009.86 149'11'24.075" 149.1900208' 56'0' 2,657' FEL NOTES: 1. ALASKA STATE PLANE COORDINATES ARE NAD27, ZONE 4. 2. HORIZONTAL CONTROL IS BASED ON Z PAD CONTROL MONUMENTS MON 2 AND MON 3. 3. VERTICAL CONTROL IS BASED ON Z PAD MONUMENTATION. 4. ELEVATIONS ARE BPX MEAN SEA LEVEL (M.S.L.) DATUM. 5. PAD AVERAGE SCALE FACTOR IS 0.999911213. 6, ALPHA NAME DESIGNATIONS REFER TO BPX DRILLING SURFACE SLOT NAME AS—BUILT WELL CONDUCTORS. 34i, 40, 42, 50, 51i. 55, 57. 61, 62, 65, 66, 68, 69. 70, 105, 113. 115, 201, 202. 203, 2111. 2121, 2131, 2141, 2151, 2161. 217i, 2181. SD. SG, SL, NK ft °R®F Robert0 BARN ART cbp J_ � atAC08S 1114 .. ° pRnwfNd ppp rpr.•e FRB11 WOZ 21 WOA Z—PAD �,.._ 'W' !�gg•1SD4• c WRD PAD EXPANSION ag 7/1/11 ISSUED roR INFORMATION Ira 61 ,, a 1' = 200' AS—BUILT WELL CONDUCTORS 1 Mr MOM= WCND. 0ATE ..,.. 13', CrsK wos•z N..= "i by 0 Z-34 Area of Review I Following pre-production, Z-34 is planned as a horizontal injection well in the Ivishak Zone 4. The following four wellbores are within 1/4 mile of the planned Z-34 wellbore from the top of the Sag River at 8650 ft TVDss (10,172 ft MD) through TD of the Z-34 lateral at 13,824 ft MD. The primary cement jobs for each wellbore and current well status are provided. 1) Z-03A • a) Closest center-to-center distance: 951 ft at a depth of 10,231 ft MD along the Z-34 directional plan 10b. This is in the build interval just outside the intermediate shoe. b) Well Status: producer with active coil sidetrack. c) Intermediate Casing: 7", 26#, L-80, BTC-M set at 9700 ft MD. d) Intermediate Cement: 164 bbls of 11.0 ppg lead cement and 32 bbls of 15.8 ppg tail. The estimated top of cement is 4210 ft MD assuming 30% excess. The operation summary dated Sept 21st, indicates 45 bbls of fluid lost during the cement displacement, however, no losses occurred after the tail cement exited the shoe. 2) Z-16A - a) Closest center-to-center distance: 1267 ft at a depth_o.L1,3,800 ft MD along the Z-34 directional plan 10b. This is in the horizontal interval near TD within the Ivishak formation. b) Well Status: producer with active coil sidetrack in the Ivishak Zone 4 formation. c) Intermediate Casing: 7-5/8", 29.7#, L-80, at 11,012 ft MD. d) Intermediate Cement: 313 bbls of Class G cement. The estimated top of cement assuming 30% excess is at 4790 ft MD. 3) Z-39A • a) Closest center-to-center distance: 1150 ft at a depth of 10,717 ft MD along the Z-34 directional plan 13. This is at the 7" intermediate casing point (TSGR). b) Well Status: oil producer with active coil sidetrack. c) Intermediate Casing: 7", 26#, L-80 set at 9273 ft MD. d) Intermediate Cement: 171.5 bbls of lead cement followed by 20.5 bbls of tail cement. No losses were reported bringing the estimated top cement to 3387 ft MD. 4) Z-17 ' a) Closest center-to-center distance: 1021 ft at_a depth of 13,783 ft MD along the Z-34 directional plan 10b. This is near TD within the Ivishak Zone 4 formation. b) Well Status: active oil producer. c) Intermediate Casing: 9-5/8", 47#, L-80 set at 12487 ft MD. d) Intermediate Cement: pumped 504 bbls of Class G cement bringing the estimated top of cement to 6884 ft MD assuming 30% excess. Z-34 Area of Review _ 0 _o 0 _ CO _ o _0 0 - b _ 0 - _O � � 0 E o - X ` - o - o O.Q 0. –O O I is' 5 N N _ H _ d t M –op N , El _ 1-1 t M 2M - ou N M = \ .. r.. d 0 0 N N a \N- - 0 0 v W 0 W __ i o. LI ' ___-------------- 1\ el __- -- A_____ O _ y� d 0 O w Q m –0 d _ E Ce C N ' v a N - O c –C. L N _ 3 N _ d O 3 - M Q - O _ 0 -O - 7r - a - a -0 - O i i i i i i i I I I I I I I i i i i i m i l , , I 11 1 1 1 1 I I , I- i O O O O O O O O OO O a O a N00 I i i I I i i i SII] (+)uiol\U(-)ginos r \ \ ,9«I N ,l.PS -- ut — — --J — - - - - - - - El J I I g S' es 11 J I UCD try 01X / ._1 LL-,- W ----D ic-1- _ _ ,_ _ _, 1 1 m i di Im o ` PI 't w 'csr _ 'r' i CZ) 1 r L_i_j.::i::... , (l) : ■ 20 , ..,., 1 Lo ▪ .46 ISLOT1041: • 17 <C 100 •s •16 ,i, Iif) i . 1 SLOT 1 •15 •14 20 \ I 25 • • •13 I E1 i ,� � /+ 24 23 • I . •11 II21 • , 1 ti- 1� Ln P 5046 — e.a J P-504A i . � 2 l. — � — — — — — 103 I �'■ 1 I _ T ,T �, ( � -®- — 1104 114 1.n in Lr, • 2 • 3 1 1 I 610 29 ; ' 15108 1 cp I1 I I I 30 ■ s a 1 �- - J � 31 • I , •7 %... ......_ -- 1 32 • 1 ( •8 \\\\ I 33 • ■g I J •10 0 J i •35 ► ,._ .I\ 11 .,. •38 II I .� r I N H II e I1 #. 0 1 , C....: `i r —.moil .17RA r.- Note: Dimensional information reflected on this drawing are estimated measurements only. 117 28.63" Est. [TTI'- y P1 4-1/16" 5,000# Q O\t-yc} 0 rmmIIIIIIIIIr i O O O(0)O 93.38" copy cs__, . Est. 0 4-1/16" 5,000# 0 0 50.75" Est. 0 n!\O 4-1/16" 5,000# O`0 ,os 1 l ) L BP Alaska SK-011583-03 C CAMERON Jeanette Defe4-1-05 # J-6816-3 Name. ■orkioQ Preeaure. t� 4 1/16-5000 L4-39) i 11 � / • ' MONITOR PORT H ® - _ �_ - I - TEST PORT • OF —=----1. . _ CO LOCKDOWN SCREWS SCSSV EXIT 12 , I s - '----....._11-5000= ir ,-,,,,. /I .-... ,CR-54) Lill FT-77 A1 d D sk in L 1 2 1/16-5000 MOO 120 GV 2 t/.6-5000 MOO 120 GV S• TEST PORT I . 10 LOCKDOWN SCREWS �= -- _— 4 5`T711 t 1- 1 a�1[-5000 CR-54) I...,F ] 7 © �, . _ 1 t. .00-5... - �:. ii ) 2 1/16-5000 MOO 120 CV !. I _ =i TEST PORT H i i I I ' .T G I j TEST PORT i 4 I � , s I i I I ' I " ,-20'OD CASING t r I 9SAI" OOCASING , L' .---1, .0 1 i'00 CASING I 4 %/ 00 TUBING ;Q IC I0 E I MKPLL,OG=2.a 7GON QQLL°QsGSGJ ➢ CNC . °o PROPOSAL -02-5037 0 IJL.TRn, -SLONEJOLE PRODUCERS OR ON JECTORS P14986'— REF:0012DM10?4013 00000M1022404,C .R:VATE A1D CON,;CENT IA. U.eEii OreQA'..SE SPEG:T:E� I Or:;,7N5 IQESCnmr.O. EsczF.�;;— !� _ .0..'•�•'.rrm+uNeK �,.WHQTi[KETN.soa..,.s TOCERArCE ULTRA-SLIMHOLE W.'.'"...".......x.. '''''. IL."-'----—oom..f.N,"o<s rx—e-oso PRODUCERS OR INJECTORS "..acEi c" -ox 41�(y� .."n''rt..✓r•Nr.".....mre.o... ,I.MA.SNAP COLES.ds ram". 9riTTR.....6". O " n<u.e........om.,r..4mum... <i�O.6:0C CO.Fr+n.OH o3o".swe .XX—_.0.5 �."��' >TNNENOS TO CON/Ca To rm ss O.N-ft xxx—.-005 1 WELLHEAD SYSTEM ' ..rsotu 03•x0-Ox 0 age....am..•�w.i.x..o..a...... I.,TOMEO T.af.Os TO Casae TO.n,4,” I t 5000 X 4 :/!5 SOOC Z2T-4 ka. ..........aw)..m.se:.v..r.. r.OwnTIN NV,N TNO..2.£AM.ECT.O.s A.Cif—_3Or tEQl.NL os-xONSx:3...�.—r .r.s..",.........•.rV.A,.. IS KI r,..Q posy.OLCs..6T STR.00IC 20 X OS X 7 X .•+w•{{Or ..r".-u n-.......r..o :,NOSH-25W 9/8 G/2 00120M1080658 ..✓.[+a c,....r..O..y.-nr nr.c<....iaT CO.WN CCNrCJ6.OK V lfOtANG J]•xO.Ox. Page 1 of 2 Schwartz, Guy L (DOA) From: Honas, Kristopher[Kristopher.Honas@bp.com] Sent: Monday, May 07, 2012 4:24 PM To: Schwartz, Guy L (DOA) Cc: Allen, Kenneth W Subject: RE: Z-34 (PTD 212-061) Attachments: Z-34i Permit To Drill Application.ZIP Guy, I have included all the information you have requested in the revised document. Please see summary of changes below 1. Cement sacks and yield have been included on page 6 for all three hole sections 2. Procedures/Safeguards have been added to page 8 for drilling without a flow paddle in the surface section to <1000 ft. 3. A wellhead and tree drawing has been included as the last two pages of the document. 4. The AOR is located near the end of the document after the As-Built Conductor Survey. If I can answer any additional questions, or include more information, please let me know. Thank you, Kris Honas BP Rotary Drilling Engineer Desk: 907-564-4841 Cell: 907-268-0891 Kristopher.Honas@bp.com From: Schwartz, Guy L (DOA) [mailto:guy.schwartz@alaska.gov] Sent: Monday, May 07, 2012 2:40 PM To: Honas, Kristopher Subject: FW: Z-34 (PTD 212-061) Sorry, Just realized there is not a Area of Review(AOR) for this injector. Guy Schwartz Senior Petroleum Engineer AOGCC 793-1226 (office) 444-3433 (cell) From: Schwartz, Guy L (DOA) Sent: Monday, May 07, 2012 2:20 PM To: 'Honas, Kristopher' Subject: RE: Z-34 (PTD 212-061) Kris, I forgot also to request what procedures or safeguards will be in place while the paddle is removed on the mud return side. Normally a waiver has to have a basis for equal protection or incremental safeguards to 5/8/2012 Page 2 of 2 ensure well control is maintained. Guy Schwartz Senior Petroleum Engineer AOGCC 793-1226 (office) 444-3433 (cell) From: Schwartz, Guy L (DOA) Sent: Monday, May 07, 2012 2:16 PM To: 'Honas, Kristopher' Subject: Z-34 (PTD 212-061) Kris, We started requesting the wellhead schematic now for new wells. Can you suppy that plus a production tree sketch showing SVS placemnent. What are the cement sack counts and yield for the surface and int casing? Guy Schwartz Senior Petroleum Engineer AOGCC 793-1226 (office) 444-3433 (cell) 5/8/2012 0 0 O 0 0000 M ... - 0 ..i 0 CD N o O o ti N. 41 r- o - LU Q C.) o O 1- s o V r o co C O Iri. oL. a W IL: < . 1 .1 r G) 0 0 0 t 0 W <- 0 C 0 f}. o .� c v cr \ a a CCD 0 � W __ _ _ 0 0 0 0 0 0 0 0 0 0 0 0 0 -4' 0 0 0 0 0 0 0 0 0 0 0 0 rn rn 00 CD CD U) Un 1.0 OVERSIZED DOCUMENT INSERT This file contains one or more oversized documents. These materials may be found in the original hard file or check the parent folder to view it in digital format. TRANSMITTAL LETTER CHECKLIST WELL NAME ,(--&z.,,/ PTD# 2-/ ( Development ✓ Service Exploratory Stratigraphic Test Non-Conventional/ Well FIELD: /'ted it. POOL: if:-)e.A.e...1Ze,-e / / Check Box for Appropriate Letter/Paragraphs to be Included in Transmittal Letter CHECK ADD-ONS WHAT (OPTIONS) TEXT FOR APPROVAL LETTER 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 between 60-69) Production should continue to be reported as a function of the original API number stated above. PILOT HOLE In accordance with 20 AAC 25.005(f), all records, data and logs acquired for the pilot hole must be clearly differentiated in both well 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 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 occur. 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. Non-Conventional Please note the following special condition of this permit: Well production or production testing of coal bed methane is not allowed for (name of well) until after (Company Name) has designed and implemented a water well testing program to provide baseline data on water quality and quantity. (Company Name) must contact the Commission to obtain advance approval of such water well testing program. Rev:9/09/2011 0 N a) °a U) 0 a a . 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