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214-124
Post Office Box 244027 Anchorage, AK 99524-4027 3800 Centerpoint Drive Suite 1400 Anchorage, AK 99503 Phone: (907) 564-4891 06/09/2025 Mr. Jack Lau Alaska Oil and Gas Conservation Commission 333 West 7th Avenue, Suite 100 Anchorage, Alaska 99501 Re: Prudhoe Bay Surface Casing by Conductor Annulus Top-offs of Cement, Corrosion Inhibitor through 06/09/2025. Dear Mr. Lau, Enclosed please find a copy of a spreadsheet with a list of Prudhoe Bay wells that were topped-off with cement, corrosion inhibitor in the surface casing by conductor annulus through 06/09/2025. Cement top-offs are executed as needed to mitigate the void space left at surface by minor cement fallback during the primary surface casing by conductor cement job. The remaining void space between the top of the cement and the top of the conductor is filled with a heavier than water corrosion inhibitor to reduce the risk of external surface casing corrosion. The attached spreadsheets include the well names, API and PTD numbers, treatment dates and volumes. As per previous agreement with the AOGCC, this letter and spreadsheet serve as notification that the treatments took place and meet the requirements of form 10-404 Report of Sundry Operations. If you have any additional questions, please contact me at 564-4891 or oliver.sternicki@hilcorp.com. Sincerely, Oliver Sternicki Well Integrity Supervisor Hilcorp North Slope, LLC Digitally signed by Oliver Sternicki (4525) DN: cn=Oliver Sternicki (4525) Date: 2025.06.09 14:30:46 - 08'00' Oliver Sternicki (4525) Hilcorp North Slope LLC.Surface Casing by Conductor Annulus Cement, Corrosion Inhibitor Top-offReport of Sundry Operations (10-404)06/09/2025Well NamePTD #API #Initial top of cement (ft)Vol. of cement pumped (gal)Final top of cement (ft)Cement top off date Corrosion inhibitor (gal)Corrosion inhibitor/ sealant dateF-10C21308650029204100365/29/25F-29B2111475002921627026.25/29/25F-33A20816350029226400145/29/25F-3619519650029226310035/29/25F-39190141500292210100175/29/25F-44A2051615002922130012.55/29/25F-47B21007950029222320215/29/25L-2512231065002923772001.8813/31/24117/29/24L-2532230485002923758004.1201.13/31/24127/29/24L-2542230305002923752003.8321.23/31/24137/29/24L-2922230255002923751003.3301.33/31/24147/29/24N-282141275002923524006.8504.711/19/242212/28/24N-302141245002923523003.5330.311/17/243.512/28/24PAVE1-122309450029237670019.910/27/24PWDW3-221908150029236340014.810/27/24S-40120607850029233130015.31130.511/15/24412/28/243.5330.311/17/24N-302141245002923523003.512/28/24 3URSHUW\'HVLJQDWLRQ /HDVH1XPEHU 2SHUDWLRQV 3HUIRUPHG 2SHUDWRU1DPH $GGUHVV :HOO&ODVV%HIRUH:RUN 3HUPLWWR'ULOO1XPEHU $3,1XPEHU :HOO1DPHDQG1XPEHU /RJV /LVWORJVDQGVXEPLWHOHFWURQLFGDWDSHU$$& )LHOG3RRO V $EDQGRQ 6XVSHQG 3OXJIRU5HGULOO 3HUIRUDWH1HZ3RRO 3HUIRUDWH 3OXJ3HUIRUDWLRQV 5HHQWHU6XVS:HOO 2WKHU6WLPXODWH )UDFWXUH6WLPXODWH $OWHU&DVLQJ 3XOO7XELQJ 5HSDLU:HOO 2WKHU &KDQJH$SSURYHG3URJUDP 2SHUDWLRQVVKXWGRZQ 3UHVHQW:HOO&RQGLWLRQ6XPPDU\ &DVLQJ /HQJWK 6L]H 0' 79' %XUVW &ROODSVH ([SORUDWRU\ 6WUDWLJUDSKLF 'HYHORSPHQW 6HUYLFH $WWDFKPHQWV UHTXLUHGSHU$$& :HOO6WDWXVDIWHUZRUN ,KHUHE\FHUWLI\WKDWWKHIRUHJRLQJLVWUXHDQGFRUUHFWWRWKHEHVWRIP\NQRZOHGJH 2,/ *$6 :,1- :$* *,1- :'63/ *6725 6XVSHQGHG 63/8* $XWKRUL]HG1DPHDQG 'LJLWDO6LJQDWXUHZLWK'DWH $XWKRUL]HG7LWOH &RQWDFW1DPH &RQWDFW(PDLO &RQWDFW3KRQH 3%81 6TXHH]H3HUIRUDWLRQV +LOFRUS1RUWK6ORSH//& &HQWHUSRLQW'U6XLWH$QFKRUDJH$. &RQGXFWRU 6XUIDFH ,QWHUPHGLDWH /LQHU FU 6WUXFWXUDO +(67173HUP3DFNHU 6WDQ*ROLV 6U$UHD2SHUDWLRQV0DQDJHU %URGLH:DJHV 'DYLG:DJHV#KLOFRUSFRP 358'+2(%$<358'+2(2,/ 7RWDO'HSWK (IIHFWLYH'HSWK PHDVXUHG WUXHYHUWLFDO IHHW IHHW IHHW IHHW PHDVXUHG WUXHYHUWLFDO PHDVXUHG PHDVXUHG IHHW IHHW IHHW IHHW PHDVXUHG WUXHYHUWLFDO 3OXJV -XQN 3DFNHU 0HDVXUHGGHSWK 7UXH9HUWLFDOGHSWK IHHW IHHW 3HUIRUDWLRQGHSWK 7XELQJ VL]HJUDGHPHDVXUHGDQGWUXHYHUWLFDOGHSWK 3DFNHUVDQG6669 W\SHPHDVXUHGDQGWUXHYHUWLFDOGHSWK 6WLPXODWLRQRUFHPHQWVTXHH]HVXPPDU\ ,QWHUYDOVWUHDWHG PHDVXUHG 7UHDWPHQWGHVFULSWLRQVLQFOXGLQJYROXPHVXVHGDQGILQDO 5HSUHVHQWDWLYH'DLO\$YHUDJH3URGXFWLRQRU,QMHFWLRQ'DWD 2LO%EO *DV0FI :DWHU%EO &DVLQJ3UHVVXUH 7XELQJ3UHVVXUH 3ULRUWRZHOORSHUDWLRQ 6XEVHTXHQWWRRSHUDWLRQ :HOO&ODVVDIWHUZRUN ([SORUDWRU\ 'HYHORSPHQW 6HUYLFH 6WUDWLJUDSKLF'DLO\5HSRUWRI:HOO2SHUDWLRQV &RSLHVRI/RJVDQG6XUYH\V5XQ (OHFWURQLF)UDFWXUH6WLPXODWLRQ'DWD 6XQGU\1XPEHURU1$LI&2([HPSW $'/ 1R6669,QVWDOOHG 0' &HPHQWSHUIRUDWLRQVZLWK EEOVRISSJ&ODVV*FHPHQW 1$ 67$7(2)$/$6.$ $/$6.$2,/$1'*$6&216(59$7,21&200,66,21 5(32572)681'5<:(//23(5$7,216 6U3HW(QJ 6U3HW*HR )RUP5HYLVHG6XEPLW:LWKLQGD\VRU2SHUDWLRQV 6U5HV(QJ By Samantha Carlisle at 8:50 am, Dec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aSVL8QVWLQJIURPUHWDLQHUZLWK%%/ VRIFHPHQWOHIWLQWKHFRLO/D\LQWR 5%,+WR DQGUHYHUVHFLUFXODWH6HHSSJGHQVLW\RQUHWXUQ00LQGLFDWLQJ JRRGFHPHQWRQWRSRIUHWDLQHU322+SXPSLQJSLSHGLVSODFHPHQW$OORZFHPHQWWR REWDLQ!SVLFRPSUHVVLYHVWUHQJWK5,+ZLWK%DNHUEODGGHGMXQNPLOOZKLOH GLVSODFLQJWKHFRLOWR.&/6/7DJ72&DW%30DWa 0LOOWR DW %30 VWDOO 38DQGSXPS%%/JHOVZHHS5%,+DQGPLOOUHWDLQHUDW ( 00LOOFHPHQWWR ( 03XPSEEOVVZHHSDQGFKDVHRRK &RQWLQXHGRQ &78 &7:7-RE2EMHFWLYH &HPHQW6TXHH]H0LOO&HPHQW &RQWLQXHFKDVLQJJHOVZHHSRRK%UHDNGRZQWRROV0LOOKDGVRPHVKRXOGHUZHDUDQG PDUNVDORQJVLGHWKHPLOOLQJ%+$08 5,+Z-61%+$7DJ7'DW GRZQ XS&LUFXODWHEEOVRIFOHDQJHO&KDVHRRKZLWKVONNFO-HWDOOWKH MHZHOU\RQWKHZD\22+$WVXUIDFHDWWHPSWWRSHUIRUP0,77WRSVL$W SVLWKHWXELQJVWDUWHGWREUHDNRYHUEOHGSUHVVXUHRII%XPSHGWXELQJSUHVVXUHXSLQ aSVLLQFUHPHQWV$WaSVLLWEURNHRYHUDWa%305'02/ -RE&RPSOHWH :(//6+87,18321$55,9$/ 5,+:; *(25$=253(5)*81 7$**('72&# 3(5)25$7(,17(59$/ &&/727236+27 &&/6723 '(37+ -2%&203/(7( 'DLO\5HSRUWRI:HOO2SHUDWLRQV 3%81 # 3(5)25$7(,17(59$/ Operator Name:2. Development Exploratory Service 5 Permit to Drill Number:214-124 6.50-029-23523-00-00 PRUDHOE BAY, PRUDHOE 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 10635 10547 8776 8884 None None 8272 Casing: Length: Size: MD: TVD: Burst: Collapse: Structural Conductor 128 20" 48 - 176 Surface 3274 9-5/8" 47 - 3321 47 - 3101 6870 4760 Intermediate 9106 7" 45 - 9151 45 - 8524 7240 5410 Liner 1645 4-1/2" 8988 - 10633 8370 - 8727 8430 7500 Perforation Depth: Measured depth: 9162 - 10357 feet True vertical depth:8535 -8880 feet Tubing (size, grade, measured and true vertical depth)4-1/2" 12.6# 13cr85 43 - 9002 43 - 8384 8884 8272Packers and SSSV (type, measured and true vertical depth) 4-1/2" HES TNT Perm Packer 12. Stimulation or cement squeeze summary: Intervals treated (measured): N/A Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure 11032001314947133041 Well Not Online 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 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 measured8726 Sundry Number or N/A if C.O. Exempt: N/A No SSSV Installed Junk Packer Printed and Electronic Fracture Stimulation Data 5 Pull Retrievable Plug Operations shutdown Change Approved Program 5 N/A Senior Pet Engineer:Senior Res. Engineer: STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION REPORT OF SUNDRY WELL OPERATIONS Suspend Perforate Other Stimulate Alter Casing Plug for Redrill Perforate New Pool Repair Well Re-enter Susp Well 3.Address: 3800 Centerpoint Dr, Suite 1400, Anchorage, AK 99503 7.Property Designation (Lease Number):ADL 0028282 PBU N-30 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 9001500 48 - 176 By Samantha Carlisle at 10:47 am, Aug 31, 2021 Digitally signed by Stan Golis (880) DN: cn=Stan Golis (880), ou=Users Date: 2021.08.31 09:57:40 -08'00' Stan Golis (880) DSR-8/31/21 SFD 9/1/2021MGR01SEP2021RBDMS HEW 8/31/2021 ACTIVITY DATE SUMMARY 8/8/2021 ***WELL ONLINE ON ARRIVAL*** R/U HES 759 DRIFT TO 9,550' MD W/ 3.80" CENT & 3.5" LIB ***CONT WSR ON 8/9/2021*** 8/9/2021 ***CONT WSR FROM 8/8/2021*** DRIFT TO 4-1/2" WRP @ 9,550' MD W/ 3.70" CENT, 3.50" LIB BAIL ~3.5 GAL SAND OFF 4-1/2" WRP W/ 2.5" x 10' PUMP BAILER PULL 4-1/2" WRP FROM 9,550' MD DRIFT TO 45 KB BKR PATCH @ 9,660' MD W/ 3.7" G.RING ***CONT WSR ON 8/10/2021*** 8/10/2021 ***CONT WSR FROM 8/9/2021*** ATTEMPT TO PULL 45 KB BKR PATCH FROM 9,660' MD ***CONT WSR ON 8/11/2021*** 8/11/2021 ***CONT WSR FROM 8/10/2021*** (cement squeeze) JARRED ON SPEARED 45KB PATCH @ 9,660' MD FOR 5 1/2hrs ***CONT WSR ON 8/12/21*** 8/12/2021 ***CONT WSR FROM 8/11/21*** (cement squeeze) JARRED ON SPEARED 45KB PATCH @ 9,660' MD FOR 4hrs (9.5hrs total, decision made to pull spear) ATTEMPTED TO PULL SPEAR BUT UNABLE TO LATCH @ 9,638' SLM RAN BARBELL 3.50" CENT, 3.625" CENT, 1 7/8" STEM TO RELEASE SPEAR @ 9,639' SLM ***CONT WSR ON 8/13/21*** 8/13/2021 UNABLE TO LATCH RELEASABLE SPEAR @ 9635' SLM. MADE SEVERAL ATTEMPTS TO USE SPEAR RELEASE TOOL TO JAR CORE OF SPEAR DOWN IN ORDER TO LATCH AND PULL SPEAR. (3hr and 20mins Jarring Time Total). SWAPPING TO DAYLIGHT OPERATIONS. ***JOB CONT. 8/14/21*** 8/14/2021 ***JOB CONT. FROM 8/13/21***(cement squeeze) ATTEMPT TO PULL RELEASABLE SPEAR OUT OF 45KB STRADDLE PKR PATCH @ 9635' SLM JAR DOWN ON CORE OF SPEAR W/ SPEAR RELEASE TOOL, (Total Time Jarring 5hrs 35mins). ***JOB CONT. ON 8/15/21*** 8/15/2021 ***JOB CONT FROM 8/14/21*** ATTEMPT TO PULL RELEASABLE SPEAR @ 9635' SLM JARRED DOWN SPEAR AGGRESSIVELY FOR 1HR AND 40MINS TO DRIVE CORE OF SPEAR DOWN. ABLE TO LATCH UP TO SPEAR, JARRED UP ON SPEAR, UNABLE TO PULL. (3hrs Total Jaring Time). ***JOB COMPLETE*** Daily Report of Well Operations PBU N-30 Daily Report of Well Operations PBU N-30 8/16/2021 ***WELL S/I ON ARRIVAL*** RIH W/ SPEAR RELEASE TOOL, JARRED DOWN ON SPEAR FOR 20 MINUTES. ATTEMPT TO PULL SPEAR, UNABLE TO SHEAR OFF SPEAR AFTER JARRING FOR 45 MINS. LRS RIGGED UP TO PUMP 150 BBLS OF CRUDE TO HELP ASSIST SHEARING OFF SPEAR, JARRED DOWN AGGRSSIVELY FOR 10 MINUTES AND SHEARED GS. SPEAR LEFT IN HOLE. ***JOB COMPLETE*** 8/16/2021 T/I/O= 2150/ 1463/22 LRS Unit #76 (CEMENT SQUEEZE) Slickline was stuck in hole on top of fish. Pumped 150 BBL's of crude down the tubing and slickline got free. Slick line in control of well on LRS departure. FWHP's=200/1415/23 Samuel Gebert Hilcorp North Slope, LLC GeoTechnician 3800 Centerpoint Drive, Suite 1400 Anchorage, AK 99503 Tele: 907 777-8337 Fax: 907 777-8510 E-mail: sam.gebert@hilcorp.com Please acknowledge receipt by signing and returning one copy of this transmittal or FAX to 907 777.8510 Received By: Date: DATE: 04/29/2021 To: Alaska Oil & Gas Conservation Commission Natural Resource Technician 333 W 7th Ave Suite 100 Anchorage, AK 99501 DATA TRANSMITTAL PBU N-30 (PTD 214-124) Memory IPROF 03/27/2021 Please include current contact information if different from above. PTD: 2141240 E-Set: 34962 Received by the AOGCC 04/09/2021 04/09/2021 Operator Name:2. Development Exploratory Service 5 Permit to Drill Number:214-124 6.50-029-23523-00-00 PRUDHOE BAY, PRUDHOE 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 10635 9550 8842 8884 None 9550 8272 Casing: Length: Size: MD: TVD: Burst: Collapse: Structural Conductor 20" 48 - 176 Surface 3274 9-5/8" 47 - 3321 47 - 3100 6870 4760 Intermediate 9106 7" 45 - 9151 45 - 8524 7240 5410 Liner 1645 4-1/2" 8988 - 10633 8370 - 8727 8430 7500 Perforation Depth: Measured depth: 9162 - 10357 feet True vertical depth:8535 -8880 feet Tubing (size, grade, measured and true vertical depth)4-1/2" 12.6# 13cr85 43 - 9002 43 - 8384 8884 8272Packers and SSSV (type, measured and true vertical depth) 4-1/2" HES TNT Perm Packer 12. Stimulation or cement squeeze summary: Intervals treated (measured): N/A Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure 171119739345 340023440 1671 374 641 1170 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: Brodie Wages david.wages@hilcorp.com Authorized Name:Stan Golis Authorized Title: Authorized Signature with Date:Contact Phone:(907)564-5006 Treatment descriptions including volumes used and final pressure: 13. 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 measured8726 Sundry Number or N/A if C.O. Exempt: N/A Junk Packer Printed and Electronic Fracture Stimulation Data 5 Operations shutdown Change Approved Program N/A 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 Perforate New Pool Repair Well Re-enter Susp Well 3.Address: 3800 Centerpoint Dr, Suite 1400, Anchorage, AK 99503 7.Property Designation (Lease Number):ADL 028282 PBU N-30 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 By Samantha Carlisle at 9:22 pm, Mar 03, 2021 Digitally signed by Stan Golis (880) DN: cn=Stan Golis (880), ou=Users Date: 2021.03.03 15:08:54 -09'00' Stan Golis (880) SFD 3/8/2021RBDMS HEW 3/4/2021 MGR12MAR2021 DSR-3/4/21 ACTIVITY DATE SUMMARY 2/20/2021 ...Well shut in on arrival... (HES EL - Plug WRP, AddPerf) SET WFT 4-1/2" WRP AT 9,550'. PERFORATE FROM 9,162' - 9,187' WITH 25' x 2-7/8", 6 SPF, 60 PHASE HSC WITH 175 MAXFORCE HMX CHARGES. API 19B PENETRATION = 38.6", ENTRANCE HOLE = 0.37". ***Job Complete. Well shut in on departure.*** 2/20/2021 T/I/O= 0/1200/30 TEMP=SI (PERFORATING) Assist Eline as directed. Pumped 2 bbls 60/40 followed by 150 bbls crude down TBG for load . Pad Op. notified of well status and Eline incontrol of upon departure. SV,SSV,WV=C MV=O CV's=OTG FWHP's= 2488/1250/37 2/21/2021 T/I/O = 800/800/0 - Flowline = 400 (HPBD post Sag Perf) Fluid level at surface. Pump 75bbl of 85degF crude down TBG at 5bpm until treating pressure stabilized. Hard shut down, and monitor for 15min. Pressure stablized at 150psi. Begin Step Rate Test / High Pressure Breakdown. 1 bpm for 5 bbl - Final stage pressure = 148psi. 2 bpm for 10 bbl - Final stage pressure = 155psi. 3 bpm for 15 bbl - Final stage pressure = 178psi. 4 bpm for 20 bbl - Final stage pressure = 275psi. 5 bpm for 25 bbl - Final stage pressure = 430psi. 6 bpm for 30 bbl - Final stage pressure = 545psi. 7 bpm for 63 bbl - Final stage pressure = 580psi. Unable to reach 7bpm, issues keeping prime. Pumped 245bbl total. Hard shut down, ISIP = 250psi, Wellbore friction = 330psi. Monitor pressure for 90min. Pressure stabilized at 20psi. After 90min pressure was 22psi. ***Job Complete. Well shut in on departure. WPO to POP. Final T/I/O/FL = 22/800/0/400.*** Daily Report of Well Operations PBU N-30 Samuel Gebert Hilcorp North Slope, LLC GeoTechnician 3800 Centerpoint Drive, Suite 1400 Anchorage, AK 99503 Tele: 907 777-8337 Fax: 907 777-8510 E-mail: sam.gebert@hilcorp.com Please acknowledge receipt by signing and returning one copy of this transmittal or FAX to 907 777.8510 Received By: Date: DATE: 02/15/2021 To: Alaska Oil & Gas Conservation Commission Natural Resource Technician 333 W 7th Ave Suite 100 Anchorage, AK 99501 DATA TRANSMITTAL PBU N-30 (PTD 214-124) RPM 12/21/2020 ANALYSIS RAW DATA Please include current contact information if different from above. PTD: 2141240 E-Set: 34707 Received by the AOGCC 02/16/2021 02/16/2021 BA ER PRINT DISTRIBUTION LIST IUGHES a GE company COMPANY BP Exploration Alaska Inc. WELL NAME N-30 FIELD Prudhoe Bay Unit COUNTY PRUDHOE BAY BHI DISTRICT Alaska AUTHORIZED BY Paul Canizares EMAIL Paul. Canizares@bhge.com STATUS Final Replacement: COMPANY ADDRESS (FEDEX WILL NOT DELIVER TO P.O. BOX) PERSON ATTENTION nENTION V tBP Nosh Slope. EOA, PBOC, PRB-20 (Office 109) 1D&C Wells Project Aides 'Atte: Benda Glassmaker & Peggy O'Neil 900 E. Benson Blvd. ,Anchorage, Alaska 99508 2 ConocoPhillips Alaska Inc. TAttn: Ricky Elgarico ATO 3-344 700 G Street .Anchorage, AK 99501 3 ExxonMuhil, Alaska .Attn: Lynda M. Yaskell and/or Lisa Boggs '13201 C Street, Suite 505 Anchorage, AK 99503 4 State of Alaska - AOGCC Attn: Makana Bender 1333 W. 7th Ace, Suite 100 Anchorage, Alaska 99501 5 DNR - Division of Oil & Gas *** Attn: Garret Brown ,550 West 7th Avenue, Suite 1100 Anchorage, Alaska 99501 6 BP Exploration (Alaska) Inc. Petrotechnical Data Center, LR2-1 1900 E. Benson Blvd. 'Anchorage, Alaska 99508 Attn: Gerardo Cedillo TOTALS FOR THIS PAGE No 2 14 1 24 30900 Please sign and return one copy of this transmittal form to: BP Exploration (Alaska) Inc. Petrotechnical Data Center, LR2-1 900 E. Benson Blvd. IAnchorage, Alaska 99508 or AKGDMINTERNAL@bp.com to acknowledge receipt of this data. LOG TYPE RPM:PNC3D LOG DATE May 1, 2019 TODAYS DATE June 17, 2019 Revision Details: Rev. Requested by: --- FIELD IFINAL CD/DVD FINAL PRELIM LOGS (las, dlis, PDF, META, SURVEY REPORT LOGS CGM, Final Surveys) (Compass) # OF PRINTS # OF COPIES # OF COPIES J#OFCOPIES 4 jj 4 4 RECEIVED AOGCC 0 1 4 0 0 IMAG BAKER HUGHES PRINT DISTRIBUTION LIST COMPANY BP Exploration Alaska Inc. WELL NAME N-30 FIELD Prudhoe Bar Unit COUNTY North Slope Borough BHI DISTRICT Alaska AUTHORIZED BY Paul Canizares EMAIL Paul Canizares&bakerhughes com 214124 30344 sign and return one copy of this transmittal form to: Exploration (Alaska)Inc. rotechnical Data Center, LR2-1 ) E. Benson Blvd. :horage, Alaska 99508 Icknowledge receipt of this data. LOG TYPE RPM:PNC3D-CO LOG DATE September 24, 2018 TODAYS DATE February 6, 2019 Revision STATUS Final Replacement: No Details: Rev. Requested -by--- COMPANY ADDRESS (FEDEx WILL NOT DELIVER TO P.O. BO$ PERSON ATTENTION V t BP North Slope. EOA, PBOC, PRB-20 (Office 109) �D&C Wells Project Aids Agatha Botha & Barbara Glassmaker 900 E. Benson Blvd. Anchorage, Alaska 99508 2 'Conoco Phillips Alaska Inc. ,Attn: Ricky Elgarico ATO 3-344 X700 G Street Anchorage, AK 99510 3 '',Exxon Mobil, Alaska ,Attn: Lynda M. Yaskell and/or Lisa Boggs 13201 C Street, Suite 505 Anchorage, AK 99503 4 State of Alaska -AOGCC Attn: Makana Bender 333 W. 7th Ave, Suite 100 jAnchorage, Alaska 99501 FIELD I FINAL CD/DVD FINAL PRELIMLOGS (las, dlis, PDF, META, SURVEY REPORT LOGS CGM, Final Surveys) (Compass) # OF PRIN 1,,jl X OF PRIN # OF COPIES J# OF COPIES # OF COPIES 4 J; !; FEB 0 7 2019 AOGCC C`7 _. __ _ -— _-- _— _. 5 DNR - Division of Oil & Gas I Attn: James Dyun '550 Wcst7th Avenue, Suite 802 iAnchoragc, Al ask a 99501 ** Stamp "confidential' on all material deliver to DINR 61BP Exploration (Alaska) Inc Petrotechnical Data Center, LR2-1 .900 E. Benson Blvd. 'IAnchorage, Alaska 99508 'Attn: Behrooz Raessi TOTALS FOR THIS PAGE: 0 5 5 0 0 TOTALS FOR ALL PAGES: 0 5 5 0 0 RECEIVIID 21 b 1 4 OS 6L'1 6 74i-4 1 2 4 26657 zsG,5 26659 rifilil JAN 19,2016 BAKER PRINT DISTRIBUTION LIST HUGHES AOGCC Please sign and return one copy of this transmittal form to: COMPANY BP Exploration Alaska Inc. BP Exploration(Alaska) Inc. Petrotechnical Data Center,LR2-1 DATA LOGGED WELL NAME G-10D;F-42 .0-30) . 900 E.Benson Blvd. Z./3/2010 .i.K.BENDER Anchorage,Alaska 99508 FIELD Prudhoe Bay Unit to acknowledge receipt of this data. COUNTY North Slope Borough LOG TYPE RPM:PNC3D BHI DISTRICT Alaska --- LOG DATE December 6,2015 AUTHORIZED BY Paul Canizares EMAIL Paul.Canizares(a_bakerhudhes.com TODAYS DATE January 18,2016 Revision STATUS Final Replacement: No Details: Rev. Requested by: --- COMPANY FIELD/ FINAL CD/DVD FINAL PRELIM (las,dlis,PDF,META, SURVEY REPORT ADDRESS(FEDEX WILL NOT DELIVER TO P.O.BOX) LOGS LOGS CGM,Final Surveys) (Compass) PERSON ATTENTION #OF PRINTS #()I-PKIN I S #OF COPIES #OF COPIES #OF COPIES v 4 4 4 4 1 BP North Slope. 0 0 0 0 0 EOA,PBOC,PRB-20(Office 109) D&C Wells Project Aids Agatha Rutka&Barbara Glassmaker 900 E.Benson Blvd. Anchorage,Alaska 99508 2 ConocoPhillips Alaska Inc. 0 1 1 0 0 Attn:Ricky Elgarico ATO 3-344 700 G StreetMAY 1 9 2016 Anchorage,AK 99510 �� � �� 3 ExxonMobil,Alaska 0 1 1 0 1 o Attn:Lynda M.Yaskell and/or Lisa Boggs 3201 C Street,Suite 505 Anchorage,AK 99503 4 State of Alaska -AOGCC 0 1 1 0 0 Attn:Makana Bender 333 W.7th Ave,Suite 100 Anchorage,Alaska 99501 5 DNR-Division of Oil&Gas *** 0 1 1 1 0 0 Attn:James Hyun 550 West 7th Avenue,Suite 802 Anchorage,Alaska 99501 6 BP Exploration(Alaska)Inc. 0 I 0 I 0 I 0 I 0 Petrotechnical Data Center,LR2-1 900 E.Benson Blvd. Anchorage,Alaska 99508 Attn:David Itter j TOTALS FOR THIS PAGE: 0 4 4 0 0 TOTALS FOR ALL PAGES: 0 4 4 0 0 STATE OF ALASKA •ALASKA OIL AND GAS CONSERVATION COMMI N • REPORT OF SUNDRY WELL OPERATIONS 1. Operations Performed Abandon ❑ Plug Perforations 0 Fracture Stimulate ❑ Pull Tubing 0 Operations shutdown 0 Suspend 0 Perforate ® Other Stimulate 0 Alter Casing 0 Change Approved Program 0 Plug for Redrill 0 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: 214-124 3. Address: P.O.Box 196612 Anchorage, Development EI Exploratory 0 AK 99519-6612 Stratigraphic 0 Service 0 6. API Number: 50-029-23523-00-00 7. Property Designation(Lease Number): ADL 0028282 8. Well Name and Number: PBU N-30 9. Logs(List logs and submit electronic and printed data per 20AAC25.071): 10. Field/Pools: PRUDHOE BAY,PRUDHOE OIL i 11.Present Well Condition Summary: RECEI V E D Total Depth: measured 10635 feet Plugs measured feet t9 ewww true vertical 8726 feet Junk measured feet JAN 1 1 2016 Effective Depth: measured 10547 feet Packer measured 8884feet AOGCC true vertical 8776 feet Packer true vertical 8271.67 !(,,,r1� feet Casing: Length: Size: MD: TVD: Burst: Collapse: Structural Conductor 128 20"129#X-56 48-176 48-176 3060 1500 Surface 3274 9-5/8"47#L-80 47-3321 47-3101 6870 4760 Intermediate Production 9106 T"26#L-80 45-9151 45-8524 7240 5410 Liner 1645 4-1/2"12.6#13Cr8 8988-10633 8371 -8727 9020 8540 Perforation Depth: Measured depth: 9672-9677 feet 10310-10320 feet True vertical depth: 8909-8911 feet 8905-8899 feet Tubing(size,grade,measured and true vertical depth) 4-1/2"12.6#13Cr85 43-9002 43-8384 Packers and SSSV(type,measured and 4-1/2"HES TNT Perm Packer 8884 8271.67 true vertical depth) 12.Stimulation or cement squeeze summary: Intervals treated(measured): Treatment descriptions including volumes used and final pressure: w +t s j,j '?J � 13. Representative Daily Average Production or Injection Data Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure Prior to well operation: 301 1548 749 1468 300 Subsequent to operation: 2853 24505 3606 2004 1164 14.Attachments:(required per 20 AAC 25.070.25.071,&25.283) 15.Well Class after work: Daily Report of Well Operations IZI Exploratory ❑ Development ® 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(Wipro) Title PDC Principal Engineer Signature 4017 C7/ v Phone +1 907 564 4424 Date 1/11/16 Form 10-404 Revised 5/2015 V7"L l 113` 1 L RC8DMS JHlir 1 12016 Submit Original Only • • co o 0) W N � � 0 s? � o 0 -p Cr) 2 _1 a) Y a ) C)J J a) ), ca o co Q (n (n t1-0 Q' 0 J Ca oo co t2 00 t1 J E c cn I- tt) 'c 0 m N as u) O - a in a) CD u) 0) m d L * (n O ` _U L+ c a0 O - m: 0 � U O O O m� co O a) '0 O 0 Y O c. _ () L E a) Cl) N .0 U 0 � CD H .gUD0 t © E `� - w rnmz Z s2 -� O, O Z O a) .c O _a 0 D -0UNZ J a) c E � O 0 F. JOYS 0 _a oM m.o 0p -0v _Z Q 0 ' C) CLL Q Lo NN Q•c aui • a) -c m > Y a) 4c,:) _ -C -0 ° •c c E 3 Lu D a) E.� n r 0CO 5 Y 00 tT$ E . , Z 0 a cocc U) 0 o 0 ° 3 ° p o 0 o J < W ° U m ° c ~ 0 _ n ° ° E as W O W a o a) m � D N cY t10 a .L = = 2 tl1 0 ti -' u) s 0 0 m N ° E D z O C W n. o 0) p a s _ O Ct O 0 d N a) O Q W * " 3 � •c oo ° c 0)a) "_ a) a;, C a a) a) Q* n a * 'c 3 J N oo a) o .O .S _ E _ (n 0 a) d 0 i • • A I E CO 'w \ aso R © / _1 0 U .& R o / / \ a / < I CO o ƒ / / f cu▪ ƒ S_) E • 0 ¥ ± c \ E < \ \ ._- \ � O L \ \ 2 7 3 2 R & - U- 3 2 Z / / E P. § t \ / / $ o = t• 0- / ® 2 / § \ o 2 / Z < m Ef a \ LL 0 K i " e = ce < & moo 2 CD / E �% = O o ƒ © I O / / _� (3 D / 0 / h \ / o \ o Z $ / 1I » 2g ©\ / 0 Z O $ — % -I ? 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ACTUATOR= BAKER C N-30 MAX DLS:13.9°@ 9342'.***CHROME TBG 8 OKB.ELEV= 90.8' LNR*** BF.ELEV= 45,71' KOP= 400' Ae l` Max Angle= 124°©10540' ' ' ' 2673' —14-1/2"FES X NP,D=3.813" Datum MD= 9638' Datum TV D= 8800'SS ).i. it 20"CONDUCTOR,129#,X-56,D=18.77" — 176' 9-5/8"CSG,47#,L-80 HYD 563,ID=8.681" —{ 3321' GAS UFT MANDRELS ST MD TVD DEV TYPE VLV LATCH FORT DATE I 4024 3733 25 KBG2 DOME BK 16 02/16/15 Minimum ID =3.725" 8989' 4 6210 5699 17 KBG2 SO BK 20 02/16/15 4-112" HES XN NIPPLE 3 7108 6585 10 KBG2 DMY BK 0 10/26/14 2 7883 7325 19 KBG2 OMY BK 0 10/26/14 1 8697 8095 19 KBG2 DMY BK 0 10/26/14 TOP OF CEMENT —{ 7651' •• M ' 8852' --14-1/2"FES X NP,D=3.813" 114t4 T." • 8884' —17"X 4-1/2"FES TM PKR,D=3.856" II8919' H4-1/2 HES X Imo,D=3.813" 8988' _17"X 4-112'FES VERSA FLEX PKR/HGR if w/TIEBACK RECEPTACLE, D=3.920" • TOP OF 4-1/T LNR H 8988' , , 8989' H4-112"FES XN NP,D=3.725" 4,0 4-1/2'TBG,12.6#,13CR-85 VAM TOP, -I 9002' �� C,1 9002' _1—4112"V1tLEG,D=3.958" .0152 bpf,D=3.958' —i ELMD TT NOT LOGO TIni 7"CSG,26#,L-80 VAM TOP, —1 9151' .0383 bpf,ID=6.276' 4112"LNR CMT ESTIMATED —1 —9232' t it DUE TO LOSS ZONE Nip Fj,' 9570' 4-1/2"MARKER/1 PUP JOINT w/RA TAG ER PFORATION SUMMARY REF LOG:BKR HIX3 F.S Pr II RESISTNTTY/NELJTROMDENSTTY/POROSRMEM LOG MLOG r► on 10/24/14 . ANGLE AT TOP FERE:60°@ 9672' r ripTO'. 10261' —14-1/Y MARK /1 PUPJOMw/RA TAG Note:Refer to Ftoduction DB for historical perf data SIZE SPF NJTH?VAL Opn/Sqz SHOT SQZ ' 111 3-3/8" 6 9672-9677 0 12/16/15 itirb pir 2-7/8" 6 10310-10320 0 10/26/14 016'.0 VIA r PBT0 H 10547' MN lb% '*1114 401/40 Sit►11111111111 4-1/2"LNR,12.6#,13CR-85 HYD 521, —I 10633' Le /•1.1.1.1.1• :. .0152 bpf,13=3.958" DATE REV BY COMMENTS DATE REV BY COMMENTS PRUDHOE BAY UNT 10130/14 P-272 INITIAL COMPLETION 07/01/15 AC ADDED PERE LOG WELL: N-30 11/04/14 JMD DRLG HO CORRECTIONS 01/04/15 PJC BF UPDATE(BELL 01/04/15) PERMIT No: '2141240 11/05/14 PJC CONDUCTOR/TREE ADDED 08/04/15 PJC KOP UPDATE AR No: 50-029-23523-00 11/06/14 WIND FINAL ODEAPPROVAL 12/18/15 STF/JM) ADHERES(12/16/15) SEC 8,T11N,R13E,2183'FSL&568'FWL 11/22/14 TR/PJC CONDUCTOR DEPTH UPDATE 02/18/15 LEC/A4) GLV C/O(02/16/15) BP Exploration(Alaska) 0 tn o • . o o • E • E . ' • . . 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IJ o c U U a o 5 a E ¢ a 2 v CO* Hunt, Jennifer L (DOA) From: Lastufka,Joseph N <Joseph.Lastufka@bp.com> Sent: Tuesday, February 24, 2015 9:30 AM To: Hunt,Jennifer L(DOA) Subject: PBU N-30/PTD#214-124 Hi Jennifer, Please reference the following well: Well Name: PBU N-30 Permit#: 214-124 API #: 50-029-23523-00-00 Date of Test: 2/22/15 Type of Test: IPT (Initial Production Test) Choke Size: 96 Choke Unit: Deg Production Method: Gas Lift Duration (Hours Tested): 10 Top Reference (Top Perf MD): 10310' Bottom Reference (Bottom Perf MD): 10320' Tubing Flowing (Pressure): 240 Casing Pressure: 1440 Total Test(Rate f/O, W, G): 157 /254 / 346 24-Hour Rate (0, W, G): 376/610/ 830 Gravity (Oil, API). 31 Deg GOR (Gas-Oil Ratio): 2207 This well began Production on. 2/21/2015 Method of Operations on this date. Gas Lift 1 RBDMSJ FEB 2 4 2015 ® 214124 VAl BAKER PRINT DISTRIBUTION LIST 2 5 2 9 0 HUGHES COMPANY BP Exploration Alaska Inc INTERMEDIATE FINAL Yes (mandatory) DATA LOGGED WELL NAME N-30 RUN NUMBER X2015 (mandatory) M.K.BENDER FIELD Prudhoe Bay BH SALESMAN PAUL CANIZARES (mandatory) (mandatory) COUNTY North Slope Borough BH DISTRICT Alaska (mandatory) (mandatory) STATE Alaska PAGE OF (mandatory) LOG DATE: October,2014 TODAYS DATE: 19-Jan (mandatory) DISTRIBUTION LIST AUTHORIZED BY: PAUL CANIZARES (mandatory) HAS CLIENT BEEN INVOICED FOR ADDITIONAL PRINTS? No COMPANY FIELD FINAL (digital/ ADDRESS(FEDEX WILL NOT DELIVER TO P.O.BOX) LOGS LOGS image) FILM PERSON ATTENTION #OF PRINTS #01-I'I(IN I S #OF COPIES #OF COPIES U U U 1 State of Alaska -AOGCC 1 1 Attu:Makana Bender 333 W.7th Ave,Suite 100 Anchorage,Alaska 99501 2 . PDF 1116/2015 2:31 PM File folder 1, Survey Data 1/16/2015 2:31 PM File folder 3 u N-30_BHI_LTK Mem_Composite FE Drill... 10/27/2014 2:32 PM LAS File 45,026 KB j_ N-30_BHI_LTK Mem_Composite FE Drilli... 10/26/2014 5:13 AM DLS File 21,442 KB 4 RECEIVED H i JAN 21 2015 AOGCC 5 I 6 I TOTALS FOR THIS PAGE: 0 1 1 0 0 0 RECEIVED STATE OF ALASKA NOV 2 5 2014 ALASKA OIL AND GAS CONSERVATION COMMISSION WELL COMPLETION OR RECOMPLETION REPORT AND LOGOGGC la. Well Status: • ®Oil ❑Gas ❑SPLUG 0 Other 0 Abandoned 0 Suspended lb. Well Class 20AAC 25.105 20AAC 25.110 0 Exploratory 0 Stratigraphic 0 GINJ 0 WINJ 0 WAG 0 WDSPL 0 Other No.of Completions One . •® Development 0 Service 2. Operator Name: 5. Dat Comp,i Susp.,or Aband.: 12. Permit to Drill Number: BP Exploration (Alaska) Inc. 10/28/2014 214-124 p 3. Address: 6. Date Spudded: 13. API Number: P.O. Box 196612, Anchorage,Alaska 99519-6612 10/3/2014 50-029-23523-00-00 ' 4a. Location of Well(Governmental Section): 7. Date T.D. Reached: 14. Well Name and Number: Surface: 10/23/2014 PBU N-30 2183' FSL,4712' FEL, Sec. 08, T11 N, R13E, UM • 8. KB(ft above MSL): 90 8' • 15. Field/Pool(s) Top of Productive Horizon: 1567' FSL, 3260' FEL, Sec. 08, T11 N, R13E, UM GL(ft above MSL): 43.7' • Prudhoe Bay/Prudhoe Bay • Total Depth: 9. Plug Back Depth(MD+TVD) 1236' FSL, 4116' FEL, Sec. 08,T11N, R13E, UM 10547' • 8776' 4b. Location of Well(State Base Plane Coordinates,NAD: 10.Total Depth(MD+TVD) 16. Property Designation: Surface: x- 634412• y- 5968087• Zone- ASP4• 10635' • 8726' • ADL 028282 ' - TPI: x- 635876 y- 5967498 Zone- ASP4 11. SSSV Depth(MD+TVD) 17. Land Use Permit: Total Depth: x- 635028 y- 5967151 Zone- ASP4 None 18. Directional Survey: ®Yes 0 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 1973' 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, Sonic Scope, MWD/GR/RES/NEU/DEN N/A 23. CASING, LINER AND CEMENTING RECORD SETTING DEPTH MD SETTING DEPTH TVD HOLE AMOUNT CASING WT. PER FT. GRADE TOP BOTTOM TOP BOTTOM SIZE CEMENTING RECORD PULLED 20" 129# X-56 48' 176' 48' 176' Driven _ 9-5/8" 47# L-80 47' 3321' 47' 3100' 12-1/4" .1361 sx LiteCrete, 291 sx Class'G' 7" 26# L-80 45' 9151' 45' 8524' 8-1/2" .227 sx Class'G' 4-1/2" 12.6# 13Cr85 8988' 10633' 8370' 8727' 6-1/8" 221 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/TVD) (MD+TVD of Top&Bottom; Perforation Size and Number): 2-7/8"Gun Diameter,6 spf 4-1/2", 12.6#, 13Cr85 9002' 8884'/8272' aVPLECA ry 26. ACID,FRACTURE,CEMENT SQUEEZE, ETC. 10310'-10320' 8905'-8899' U WAS HYDRAULIC FRACTURING USED DURING COMPLETION?❑Yes ®No ,i ) )� DEPTH INTERVAL(MD) AMOUNT AND KIND OF MATERIAL USED 2200' Freeze Protect w/74 Bbls Diesel 27. PRODUCTION TEST Date First Production Method of Operation(Flowing, Gas Lift,etc Not on Production 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 ® 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 RBE MS DEC - 5 2014 Form 10-407 Revised 10/2012CONTIN/UED ON REVERSE Submit Original Only V TL 3/////,�_ ,•• %l $- 4.i:, -5 . f l./S 29. GEOLOGIC MARKERS (List all formations and r—kers encounter 30. FORMATION TESTS NAME TVD Well Tested? es ® No If yes, list intervals and formations tested, briefly summarizing test Permafrost Top 43' 43' results. Attach separate sheets to this form, if needed, and submit Permafrost Base 2086' 2016' detailed test information per 20 AAC 25.071. Ugnu 4210' 3901' West Sak 5656' 5193' None Colville Mudstone 6052' 5549' HRZ 7395' 6863' Base of HRZ / Miluveach 7636' 7092' LCU / Kingak 7641' 7097' Sag River 9150' 8524' Shublik A 9190' 8561' Shublik B 9233' 8601' Shublik C 9249' 8615' Sadlerochit - Zone 4B 9273' 8637' 45SB 9292' 8654' 42SB - Zone 4A 9412' 8753' CGL - Zone 3 9504' 8815' Base of CGL - Zone 2C 9625' 8884' 23SB - Zone 2B 9742' 8939' 22TS 9876' 8980' 23SB - Zone 2B (invert) 10122' 8981' Base of CGL - Zone 2C 10228' 8945' CGL - Zone 3 10340' 8889' Zone 4A 10470' 8818' Formation at Total Depth: Zone 4A (From Base) 10470' 8818' 31. List of Attachment- Summary of Daily Drilling Reports, LOT / FIT Summary, Well Schematic Diagram, Surveys, Cement Reports 32. 1 hereby certify that the foregoing is true and correct to the best of my knowledge. Contact: Noel Nocas, 564-5027 Email: Noel.Nocas@bp.com Title: Drilling Technologist Printed Name:Joe Last u Signature: ne 564-4091 Date: 11/2-5/14- u -v 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 1 a: 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 10/2012 Submit Original Only TREE= 4-1/16"CJW WEL t- D_ FTC SAFE/ TES: W ELL ANGLE>70°@ 9769'. • A Ai.'TIIATOR= BAKERC N -30 MAX Ot--.13.9°@ 9342'."'CHROME TBG& LNR*** EL OKB. EV= 90.8' BF.H_EV= 1;� KOP= 1 r:1r ;7� Max Angle= 124'@ 10540' # 2673' —14-1/2"I IED X NP,D=3.813" Datum MD= 9638' '4 io Datum TV D= 8800'SS w 20"COFDJCTOR 129#,X-56,D=18.77" yk � 9-5/8"CSG,47#,L-80 HYD 563,D=8.681' H 3321' //"' GAS UFT MANDTaS ST MD TVD DEV TYPE VLV LATCH PORT DATE 5 4024 3733 25 KBG2 DCK BEK - 10/26/14 Minimum ID =3.725" 8989' 4 6210 5699 17 KBG2 DMY BK 0 1026/14 4-112" HES X N NIPPLE 3 7108 6585 10 KBG2 DMY BK 0 10/26/14 2 7883 7325 19 KBG2 DMY BK 0 10/26/14 1 8697 8095 19 KBG2 DMY BK 0 10/26/14 TOP OF CEMENT —I 7651' ,. 8852' —14-12"HES X NP,D=3.813" } ''t -, �-, xi 8884' —{7"X 4-1/2"HES TNT PKR,D=3.856' I.��°i8919' H4-12"HES XNP,D=3.813" Yt 7t 8988' —T X 4-1/2'FES VERSA FLEX PKR/HGR ,,,.����kk w/TESACK RECEPTACLE, D=3.920" TOP OF 4-1/2'LM — 8988' t 8989' H4-12'HES XN NP,D=3.725" 11 4-1/2"TBG, 12.6#,13CR 85 VAM TOP, H 9002' 0 a' 9002' —14-112''MEG,LD=3.958' cAt..0152 bpi,D=3.958' 4,. —{FLMD TT NOT LOGGED 74, "' 7"CSG,26#,L-80 VAM TOP, --I 9151' 1i1 .0383 bpf,D=6.276' 4-12"LNR CMT ESTMA I i3) — —9232' DUE TO LOSS ZONE . 9570' --{4-1/2"MARKER/1 PUPJOM w/RA TAG bi PERFORATION SUMMARY Ph:REF LOG: ON XX/XX/XXy ANGLE AT TOP FERF:122"@ 10310' r*• t; Note:Refer to R-oduction DB for historical pert data 10261' . {4-112"MARKER/1 PUP JOINT w/RA TAG SIZE SPF INTERVAL Opn/Sgz SHOT SQZ 2-7/8" 6 10310-10320 0 10/26/14 4- IIA ~ PBTD — 1054T ir�vTv• 4-12"LNR,12.6#, 13CR-85 HYD 521, —I 10633' .0152 bpf,D=3.958' DATE REV BY COM EtsITS DATE REV BY COUVENTS PRUDHOE BAY UNIT 10/30/14 P-272 INITIAL COMPLETION WELL: N-30 11/04/14 JMD DRG HO CORRECTIONS PERMIT No: '214124 11/05/14 PJC CONDUCTOR/TREE ADDED AR No: 50-029-23523-00 11/06/14 NWJMD FINAL ODE APFROVAL SEC8,T11N,R13E,2183'FSL&568'FM 11/22/14 TR/PJC CONDUCTOR DEPTH UPDATE BP Exploration(Alaska) BP AMERICA LOT / FIT Summary Well Name: N-30 Surface Leak Off Test Test Test Depth Test Depth AMW Pressure Pressure EMW Date Type (TMD-Ft) (TVD-Ft) (ppg) (psi) (BHP) (psi) (ppg) 10/09/14 LOT 3,321.00 3,100.00 9.50 720.00 2,249.87 13.97 10/20/14 FIT 9,151.00 8,525.00 8.60 610.00 4,418.58 9.98 Page 1 of 1 North America-ALASKA-BP Page 1 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud DatefTime:10/3/2014 4:00:OOPM Rig Release:10/28/2014 Rig Contractor PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 10/1/2014 09:00 - 15:00 6.00 MOB P PRE PREPARE FOR RIG MOVE -LOWER BRIDAL LINES AND BRIDAL UP -RAISE BLOCKS AND PULL BRIDAL LINES INTO SHEAVES -PREPARE RIG FLOOR FOR SKIDDING -DISCONNECT DUMMY WELLHOUSE -MOVE PIPE IN PIPE SHED. -PREP TO LAY DERRICK OVER 15:00 - 00:00 9.00 MOB P PRE MOVE RIG -LAY DERRICK OVER-MAX WEIGHT 381 K -MOVE MUD MODULE TO N-30 AND SPOT OVER WELL -MOVE DRILL MODULE AND STAGE ON N PAD -REMOVE DUMMY WELLHOUSE FROM N-29 AND SPOT OVER N-30 -SPOT DRILL MODULE OVER WELL 10/2/2014 00:00 - 07:00 7.00 RIGU P PRE -MOVE UTILITY MODULE AND SPOT OVER WELL -HOOK UP INTERCONNECTS,ELECTRICAL CONNECTS AND MUD CONNECTS -PREPARE TO RAISE DERRICK -START ON DIVERTER LINE 07:00 - 12:00 5.00 RIGU P PRE -RAISE DERRICK,520K TO PICKUP -SKID RIG FLOOR -CONTINUE TO WORK ON DIVERTER LINE -SPOT CUTTINGS BOX AND BUILD CONTAINMENT -NIPPLE UP HIGH PRESSURE RISERS IN THE BOP DECK AND DUMMY WELLHOUSE -RIG ACCEPTED 10/02/2014 12:00 12:00 - 18:00 6.00 RIGU P PRE -NIPPLE UP DIVERTER ANNULAR AND KNIFE VALVE -HOOK UP HYDRUALIC LINES TO ANNULAR AND KNIFE VALVE -START TO BRING IN BHA TO PIPE SHED -LAY DOWN GRATING IN WELL BAY -OFF LOAD FLUID INTO PITS -HOOK UP STEAM AIR AND THE VAC LINES UNDER THE RIG FLOOR 18:00 - 22:00 4.00 RIGU P PRE -MAKE UP AND RUN IN WITH STAND OF DRILL PIPE AND TAG BOTTOM OF CONDUCTOR AT _88' -FUNCTION TEST ANNULAR AND KNIFE VALVE -PICK UP HEAVY WEIGHT DRILL PIPE AND 4 INCH DRILL PIPE WITH OFF LINE STAND BUILDER AND RACK BACK -AOGCC REPRESENTATIVE JEFF JONES INSPECTED AOGCC APPROVED DIVERTER LAYOUT AND REQUIRED MODIFICATIONS. -MADE MODIFICATIONS TO AOGCC APPROVED DIVERTER LAYOUT Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 2 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30©90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 22:00 - 00:00 2.00 RIGU P PRE FUNCTIONTESTDIVERTERANNULARAND KNIFE VALVE -TEST WITH 4"DRILL PIPE -TEST WITNESSED BY AOGCC REPRESENTATIVE JEFF JONES -ANNULAR CLOSING TIME:28 SECONDS, KNIFE VALVE OPENING TIME:24 SECONDS I -AOGCC REPRESENTATIVE JEFF JONES REQUIRED ADJUSTMENTS TO KNIVE VALVE OPENING TIME 10/3/2014 00:00 - 03:00 3.00 RIGU P PRE -MAKE UP STANDS OF 4"DRILL PIPE OFFLINE '-BRING SMALL BHA TOOLS TO RIG FLOOR -INSTALL ROTARY MOUSEHOLE -INSTALL POWER SLIPS -CONDITION MUD IN THE PITS 03:00 - 07:00 4.00 RIGU P PRE -MAKE UP BOTTOM HOLE ASSEMBLY PER BAKER REPRESENTATIVE -FUNCTION TEST AND ADJUST PRESSURES TO ANNULAR AND KNIFE VALVE -MAKE UP STANDS OF 4"DRILL PIPE 07:00 - 11:00 4.00 RIGU P PRE AOGCC REPRESENTATIVE JEFF JONES WITNESSED DIVERTER TEST, ACCUMULATOR DRAWDOWN TEST,AND GAS ALARMS TEST -PERFORMED DIVERTER TEST:KNIFE VALVE OPEN TIME=8 SECONDS,ANNULAR CLOSE TIME=39 SECONDS -PERFORMED ACCUMULATOR DRAWDOWN TEST -PERFORMED GAS ALARM TESTS 11:00 - 13:00 2.00 RIGU P PRE PERFORMED EMERGENCY SHUT DOWN DRILL AND RIG EVACUATION DRILL WITH BOTH CREWS AND PERFORMED AFTER ACTION REVIEWS.HELD PRE-SPUD MEEETING WITH CREWS. 13:00 - 16:00 3.00 RIGU P PRE -RIG UP SHEAVES FOR GYRO -FILL SURFACE LINES AND TEST TO 3500 PSI FOR 5 MINUTES-PASSED 16:00 - 22:30 6.50 DRILL P SURF DRILL 12-1/4"SURFACE HOLE TO 523'MD,523' TVD -400 GPM,426 PSI ON,350 PSI OFF -40 RPM,1K TORQUE ON,1K TORQUE OFF -WOB 1K -PU 45K,SO 41K,ROT 45K -GYRO EVERY-94' -ACTUAL ROTATE TIME=3.6 HOURS -JAR HOURS=32.4 HOURS -MUD WEIGHT:8.6 PPG IN,8.6 PPG OUT 22:30 - 00:00 1.50 DRILL P SURF PULL OUT OF THE HOLE FROM 523'MD TO 44' MD TO MAKE UP MWD TOOLS 10/4/2014 00:00 - 03:30 3.50 DRILL P SURF MAKE UP REMAINING BHA PER BAKER DIRECTIONAL DRILLER.PLUG IN AND PROGRAM TOOLS.SCRIBE TOOLS AND LINE UP KEY IN UBHO SUB.WASH DOWN LAST STAND.NO FILL.TAG UP AT 527'MD.PU 65K, SO 65K.GYRO FOR ORIENTATION. Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 3 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 03:30 - 07:30 4.00 DRILL P SURF DRILL 12-1/4"SURFACE HOLE FROM 527'MD TO 754'MD(754'TVD). -450 GPM,800 PSI ON,750 PSI OFF -60 RPM,1K TORQUE ON,1K TORQUE OFF -WOB 1-3K -PU 70K,SO 70K,ROT 71K -TROUBLE SHOOT MWD TOOLS AT 650'MD -GYRO SURVEY EVERY 90' -WORK STAND WITH NO BACKREAMING PRIOR TO CONNECTIONS,CIRCULATE OFF BOTTOM FOR 3-5 MINUTES BEFORE CONNECTIONS -MUD WEIGHT:8.8 PPG IN,8.8 PPG OUT 07:30 - 08:30 1.00 DRILL P SURF CIRCULATE HOLE CLEAN THEN PULL OUT OF HOLE ON ELEVATORS -MUD WEIGHT:8.8 PPG IN,8.8 PPG OUT -PULL OUT OF THE HOLE ON ELEVATORS FROM 754'MD TO 469'MD. -PU 70K,SO 70K AT 723'MD -TIGHT HOLE AT 620'MD AND 547'MD.PULL 20K OVER AND WORK THROUGH 08:30 - 09:00 0.50 DRILL P { SURF I CHANGE ELEVATOR INSERTS,MAKE UP JARS AND HEAVY WEIGHT DRILL PIPE.CHANGE 'INSERTS BACK TO 4"AND RIH WITH 12-1/4" DRILLING BHA TO 754'MD. NO TIGHT SPOTS SEEN ON TRIP IN HOLE.NO FILL. PU 76K,SO 76K AT 750'MD 09:00 - 12:00 3.00 DRILL P SURF DRILL 12-1/4"SURFACE HOLE FROM 754'MD TO 937'MD(936'TVD). -450 GPM,1030 PSI ON,980 PSI OFF -60 RPM,1-3K TORQUE ON,1K TORQUE OFF -WOB 1-10K -PU 77K,SO 77K,ROT 76K -CONTINUE WITH GYRO SURVEY EVERY STAND UNTIL 1000'MD -ACTUAL ROTATING TIME=1.7 HOURS, ACTUAL SLIDING TIME=1.5 HOURS -JAR HOURS=91.2 HOURS -WORK STAND WITH NO BACKREAMING PRIOR TO CONNECTIONS,CIRCULATE OFF BOTTOM FOR 3-5 MINUTES BEFORE CONNECTIONS -MUD WEIGHT:8.8 PPG IN,8.8 PPG OUT SIMOPS:SWAPPED 2-7/8"X 5-1/2"VARIABLE BORE RAMS TO 7"FIXED RAMS 12:00 - 18:00 6.00 DRILL P SURF DRILL 12-1/4"SURFACE HOLE FROM 937'MD TO 1386'MD(1375'TVD). -500 GPM,1280 PSI ON,1155 PSI OFF -60 RPM,1K TORQUE ON,2K TORQUE OFF '-WOB 15-18K -PU 88K,SO 81K,ROT 60K -SURVEY EVERY STAND -WORK STAND WITH NO BACKREAMING PRIOR TO CONNECTIONS,CIRCULATE OFF BOTTOM FOR 3-5 MINUTES BEFORE CONNECTIONS -MUD WEIGHT:8.7 PPG IN,8.7 PPG OUT Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 4 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date: 10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad 11 Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30©90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 18:00 - 00:00 6.00 DRILL P SURF DRILL 12-1/4"SURFACE HOLE FROM 1386'MD TO 1694'MD(1666'TVD). -500 GPM,1430 PSI ON,1270 PSI OFF -0 RPM,OK TORQUE ON,OK TORQUE OFF, WOB 17K(NO ROTATION IN THIS 6 HOURS) -PU 91K,SO 82K,ROT 86K -SURVEY EVERY STAND -ACTUAL ROTATING TIME=.6 HOURS, ACTUAL SLIDING TIME=7.2 HOURS -JAR HOURS=99 HOURS -WORK STAND WITH NO BACKREAMING PRIOR TO CONNECTIONS,CIRCULATE OFF BOTTOM FOR 3-5 MINUTES BEFORE f CONNECTIONS -MUD WEIGHT:8.9 PPG IN,8.9 PPG OUT 10/5/2014 00:00 - 05:30 5.50 DRILL P SURF DRILL 12-1/4"SURFACE HOLE FROM 1694'MD TO 2042'MD(1975'TVD) -475 GPM,1450 PSI ON,1324 PSI OFF -60 RPM,4-5K TORQUE ON,2-3K TORQUE OFF -WOB 18K -PU 97K,SO 82K,ROT 87K -SURVEY EVERY STAND -BACKREAM 30'PRIOR TO CONNECTIONS -MUD WEIGHT:9.0 PPG IN,9.0 PPG OUT 05:30 - 07:00 1.50 DRILL P SURF CIRCULATE BOTTOMS-UP 3 TIMES -500 GPM,1350 PSI -40 RPM,1-3K TORQUE -WORK FULL STAND AND RACK ONE STAND BACK AFTER EVERY BOTTOMS UP -HOLE CLEANED UP 07:00 - 08:00 1.00 DRILL P SURF PULL OUT OF THE HOLE ON ELEVATORS FROM 1789'MD TO 656'MD -MONITOR WELL FOR 5 MINUTES:STATIC -MUD WEIGHT:9.0 PPG IN,9.0 PPG OUT -PU 89K,SO 77K AT 1789'MD -NO TIGHT SPOTS ENCOUNTERED 08:00 - 09:00 1.00 DRILL P SURF RIH WITH 12.25"DRILLING BHA FROM 656'MD TO 2042'MD -RIH ON ELEVATORS NO TIGHT SPOTS ENCOUNTERED,NO FILL 09:00 - 12:00 3.00 DRILL P SURF (DRILL 12-1/4"SURFACE HOLE FROM 2042'MD TO 2290'MD(2199'TVD) -550 GPM,1750 PSI ON,1650 PSI OFF -60 RPM,3K TORQUE ON,2K TORQUE OFF -WOB 11K -PU 100K,SO 83K,ROT 90K - -SURVEY EVERY STAND -ACTUAL ROTATE TIME=2.6 HOURS,ACTUAL SLIDE TIME=2.5 HOURS -JAR HOURS=103.9 HOURS -BACKREAM 45'PRIOR TO CONNECTIONS -MUD WEIGHT:8.9 PPG IN,8.9 PPG OUT 12:00 - 12:30 ' 0.50 DRILL P SURF SERVICE TOP DRIVE AND RIG FLOOR EQUIPMENT Printed 11/3/2014 1 24:57PM North America-ALASKA-BP Page 5 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date: 10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:OOPM Rig Release:10/28/2014 Rig Contractor.PARKER DRILLING CO. UVI:500292352300 Active datum:N-30 @90.8ousft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) -i- (usft) 12:30 - 18:00 5.50 DRILL P SURF DRILL 12-1/4"SURFACE HOLE FROM 2290'MD TO 2920'MD(2693'TVD) 1-550 GPM,1900 PSI ON,1812 PSI OFF -60 RPM,6K TORQUE ON,4K TORQUE OFF -WOB 5K -PU 124K,SO 92K,ROT 103K -SURVEY EVERY STAND -BACKREAM 30'PRIOR TO CONNECTIONS -MUD WEIGHT:9.3 PPG IN,9.3 PPG OUT 18'00 22:30 4.50 DRILL P SURF DRILL 12-1/4"SURFACE HOLE FROM 2920'MD TO 3330'MD(3024'TVD) -550 GPM,2080 PSI ON,2000 PSI OFF -60 RPM,4K TORQUE ON,3K TORQUE OFF -WOB 5K -PU 124K,SO 92K,ROT 103K -SURVEY EVERY STAND ACTUAL ROTATE TIME=6 HOURS,ACTUAL SLIDE TIME=1.1 HOURS -JAR HOURS=111 HOURS -BACKREAM 30'PRIOR TO CONNECTIONS -MUD WEIGHT:9.3 PPG IN,9.3 PPG OUT 22:30 - 00:00 -1.50 DRILL P SURF CIRCULATE BOTTOMS UP 1 TIME 1-550 GPM,2050 PSI '-60 RPM,4-5K TORQUE -CIRCULATE 1/2 BOTTOMS UP THEN RACK A STAND BACK CIRCULATE ANOTHER 1/2 BOTTOMS UP 10/6/2014 00:00 - 00:30 0.50 DRILL_ P SURF CIRCULATE BOTTOMS UP 1 TIME -550 GPM,1950 PSI -40 RPMS,60K TORQUE -WORK FULL STAND -HOLE CLEANED UP 00:30 - 02:00 1.50 DRILL P SURF PULL OUT OF HOLE ON ELEVATORS FROM 3299'MD TO 2042'MD -MONITOR WELL FOR 5 MINUTES:STATIC -PU 123K,SO 93K AT 3299'MD -MONITOR EACH STAND AS PULLED FOR SIGNS OF SWABBING -HOLE TAKING PROPER FILL .-NO TIGHT SPOTS 02:00 - 03:00 1.00 DRILL P SURF RUN IN HOLE WITH 12.25"DRILLING BHA FROM 2042'MD TO 3330'MD -RUN IN HOLE ON ELEVATORS 1 -DIFFICULTY GETTING PAST 2,190',PICKED UP AND ORIENTED BHA 1/2 TURN TO THE RIGHT AND WORKED PAST WITH NO ISSUES -NO FILL 03:00 - 05:00 2.00 DRILL P SURF CIRCULATE BOTTOMS UP 2 TIMES -550 GPM,1900 PSI -60 RPMS,3-4K TORQUE -ON 1ST BOTTOMS UP WORK PIPE 30'FOR FIRST 2000 STROKES,RACK BACK AND WORK FULL STAND.RACK BACK ANOTHER STAND AND CIRCULATE 2ND BOTTOMS UP. -ON FIRST BOTTOMS UP,PUMP RATES WERE i REDUCED TO 400 GPM SO SHAKERS COULD HANDLE VOLUME OF CUTTINGS RETURNED. 350%INCREASE IN RETURNS NOTED AT SHAKERS. Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 6 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30©90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 05:00 - 08:30 3.50 DRILL P SURF PULL OUT OF HOLE ON ELEVATORS FROM 3205 TO 656'MD. -MONITOR WELL FOR 10 MINUTES STATIC -PU 122K,SO 83K AT 3205 MD -NO SIGNIFICANT TIGHT SPOTS ENCOUNTERED -MONITOR EACH STAND AS PULLED FOR SIGNS OF SWABBING -HOLE TAKING PROPER FILL 08:30 - 13:00 4.50 DRILL P SURF -RACK BACK JARS AND HEAVY WEIGHT DRILL PIPE -LAY DOWN UBHO SUB AND FILTER SUB -REMOVE AND LAY DOWN BIT,DULL GRADE: 3-4-WT-A-E-1-ER-TD -LAY DOWN MWD TOOLS -LAY DOWN MOTOR AND STABILIZERS PER BAKER DIRECTIONAL DRILLER -CLEAN AND CLEAR RIG FLOOR AND RMOVE BHA FROM RIG FLOOR 13:00 - 13:30 0.50 CASING P SURF SERVICE TOP DRIVE AND RIG FLOOR EQUIPMENT 13:30 - 15:00 1.50 CASING P SURF RIG UP TO RUN 9-5/8"CASING 15:00 - 00:00 9.00 CASING P SURF RUN 9-5/8"47#L-80 HYDRIL 563(CONDITION B)CASING TO 3274'MD -PJSM WITH RIG CREWAND DOYON CASING -CHECK FLOATS -USE JET LUBE SEAL GUARD ON PREMIUM CONNECTIONS -TORQUE CONNECTIONS TO 15,800 FT-LBS -RUN 1 FLOATING CENTRALIZER ON JOINTS 4-33 -RUN IN HOLE AT 60-70 FT/MIN TO 2,300'MD -REDUCE SPEED TO 50 FT/MIN FROM 2300' MD TO 3274'MD -WASH DOWN FROM 2612'TO 2761'AT 200 GPM,200 PSI -FILL CASING EVERY 10 JOINTS -OBTAIN PICK UP AND SLACK OFF WEIGHTS EVERY-370' -PU 189K,SO 115K AT 3274'MD -MUD WEIGHT:9.4 PPG IN,9.4 PPG OUT 10/7/2014 00:00 - 01:00 1.00 CASING P SURF RUN 9-5/8",47#,L-80,HYDRIL 563(CONDITION B)CASING FROM 3274'MD AT MIDNIGHT TO 3321'MD,3100'TVD FINAL SET DEPTH -USE JET LUBE SEAL GUARD ON PREMIUM CONNECTIONS -TORQUE CONNECTIONS TO 15,800 FT-LBS -WASH DOWN LAST JOINT AND LAND MANDREL HANGER -FINAL PICKUP WEIGHT=190 KLBS, SLACKOFF=115 KLBS -FLOAT COLLAR AT 3244'MD Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 7 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:OOPM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 01:00 - 05:00 4.00 CASING P SURF CIRCULATE HOLE CLEAN AND CONDITION MUD FOR CEMENTING. -STAGE UP CEMENTING RATE IN 1/2 BPM INCREMENTS TO FINAL CIRCULATING RATE OF 10 BPM -CONDITION MUD TO 17 YP AND 10/16/22 GEL STRENGTHS,9.2 PPG MW IN/OUT -RECIPROCATE WITH 10'TO 20'STROKES, LANDING OUT THE HANGER EVERY 10 STROKES -MIRU SLB CEMENTERS -ICP AT 10 BPM=176 PSI,FCP AT 10 BPM= 140 PSI 05:00 - 07:00 2.00 CEMT N SFAL 3,321.00 SURF PRESURE TEST CEMENTING LINES WITH 'WATER TO 250 PSI LOWAND 4000 PSI HIGH FOR FIVE MIN EACH(LEAKTIGHT CRITERIA PASS) -TROUBLE TIME DURING INTERVAL DUE TO TRACKING DOWN LEAKS UNTIL EVENTUAL PASSING TEST. -UNSUCCESSFULLY ATTEMPT TO RECIPROCATE STRING AFTER TESTING. PULL WITH 25 KLBS WITH NO MOVEMENT. STRING IS SET ON LANDING RING. 07:00 - 11:00 4.00 CEMT P SURF CEMENT 9-5/8"SURFACE CASING AS . 'FOLLOWS: -PUMP 100 BBL OF 10 PPG MUDPUSH II SPACER @ 10 BPM,45 PSI -RELEASE BOTTOM PLUG -PUMP 463 BBLS,1361 SACKS OF 11.0 PPG LITECREATE LEAD CEMENT(1.91 FT3/SX YIELD)@ 5 BPM,100 PSI ICP,155 PSI FCP -BATCH TAIL 15 MIN -PUMP 60.6 BBLS,291 SACKS OF 15.8 PPG CLASS G TAIL(1.17 FT3/SX YIELD)@ 5 BPM, 250 PSI ICP,0 PSI FCP -RELEASE TOP PLUG,SCHLUMBERGER KICK OUT PLUG WITH 10 BBL H2O -PERFORM REMAINING DISPLACEMENT WITH RIG PUMPS -120 BBLS DISPLACED AT 10 BPM:ICP 450 PSI -100 BBLS DISPLACED AT 7 BPM:ICP 510 PSI -REDUCE RATE TO 2 BPM PRIOR TO PLUG BUMP:FINAL BUMP PRESSURE 540 PSI -BUMP PLUG ON CALCULATED STROKES AND INCREASE PRESSURE TO 1100 PSI,HOLD FOR 7 MIN. BLEED OFF AND CHECK FLOATS -GOOD -TOTAL DISPLACEMENT VOLUME BY RIG= 226 BBL -CEMENT IN PLACE 10:35 -TOTAL CEMENT BACK TO SURFACE=226 BBLS -FULL RETURNS DURING JOB -NO RECIPROCATION DURING CEMENTING 11:00 - 12:00 1.00 CEMT P 1 SURF FLUSH RISERS AND DIVERTER EQUIPMENT WITH MUD AND INHIBITOR PILL. DRAIN RISER AND PULL LANDING JOINT 12:00 - 12:30 0.50 CASING P SURF SERVICE TOP DRIVE AND RIG FLOOR EQUIPMENT -RIG SERVICE COMPLETED DURING CEMENTING CLEANUP ACTIVITIES. Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 8 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:OOPM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.8ousft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 12:30 - 15:00 2.50 CASING P SURF RIG DOWN CASING RUNNING EQUIPMENT. -REMOVE BAIL EXTENTIONS -REMOVE VOLANT TOOL FROM TOP DRIVE AND INSTALL IN GAUGE AND REMOVE FROM RIG FLOOR -CHANGE BAILS 15:00 - 20:00 5.00 BOPSUR P SURF NIPPLE DOWN DIVERTER AND LOW PRESSURE RISERS. -FLUSH STACK ONE ADDTIONAL TIME AFTER LANDING JT IS PULLED. -REMOVE 4"OUTLET VALVES FROM CONDUCTOR. 20:00 - 21:00 1.00 WHSUR P SURF NIPPLE UP FMC 11"5K CASING HEAD WITH FMC 11"5K TUBING HEAD. -FMC TEST CASING HEAD NECK SEALS TO '1000 PSI FOR 30 MIN(PASS) -WSL CONFIRM NON-WORKING OA OUTLET HAS VR PLUG. -INSTALL SECONDARY GATE VALVES ON WORKING SIDE OF 2-1/16"OUTLETS ON IA& OA 21:00 - 00:00 3.00 BOPSUR P SURF NIPPLE UP HIGH PRESSURE RISERS AND NOV/SHAFFER 13-5/8"5K BOPE STACK -7"SOLID BODY RAMS IN UPPER CAVITY, 2-7/8"X 5-1/2"VBRS IN LOWER CAVITY 10/8/2014 00:00 - 02:30 2.50 BOPSUR P SURF COMPLETE NIPPLE UP OF HIGH PRESSURE RISERS AND BOPE. -INSTALL FLOW RISER AND FLOW LINE. SET MOUSEHOLE. 02:30 - 04:00 1.50 CASING P SURF PRESSURE TEST 9-5/8"SURFACE CASING TO 250 PSI LOW AND 3500 PSI HIGH FOR 30 MIN (PASS) -500 PSI COMPRESSIVE STRENGTH ON TAIL WAS REACHED AT MIDNIGHT 10/7/14 -0 PSI LOSS FOR ENTIRE TEST,SEE ATTACHED DOCUMENTATION -4 BBLS TO PRESSURE UP AND 4 BBLS BLED BACK -OBTAIN PERMISSION TO PROCEED FROM WTL SIMOPS: -CLEAN PITS AND PREPARE FOR LSND. -BUILD 7"TEST JOINT OFF-LINE SERVICE TOP DRIVE '04:00 - 07:00 3.00 BOPSUR P SURF RIG UP TO TEST BOPE RUN IN HOLE WITH TEST PLUG ON 7"TEST JOINT -MAKE UP FLOOR VALVE ASSEMBLY FILL LINES AND PERFORM SHELL TEST 07:00 - 13:00 6.00 BOPSUR P SURF TEST BOPE TO 250 PSI LOW,3500 PSI FOR 5 CHARTED MIN EACH. -TEST UPPER RAMS WITH 7"TEST JOINT -TEST LOWER RAMS AND ANNULAR WITH 4" TEST JOINT -ALL TESTS CHARTED;SEE ATTACHED BOP TEST CHARTS -TESTS WITNESSED BY AOGCC REP LOUIS GRIMALDI -RECORD CLOSING TIMES FOR ALL COMPONENTS Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 9 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 IX3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time: 10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30©90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT DepthPhase Description of Operations (hr) (usft) 13:00 14:30 1.50 BOPSUR P SURF RIG DOWN BOPE TEST EQUIPMENT. -LAY DOWN TEST JOINTS PULL TEST PLUG AND SET WEAR RING '(9-7/8"ID,RUN IN 4 LOCKDOWN SCREWS) -CLEAN AND CLEAR RIG FLOOR 14:30 - 15:30 1.00 CASING P SURF RIG UP FLOOR EQUIPMENT TO PICK UP 8-1/2" ROTARY STEERABLE DRILLING ASSEMBLY. -CHANGE OUT HANDLING EQUIPMENT -INSTALL PS-21 S AND CORRECT INSERTS INSTALL BX ELEVATORS -MOBILIZE SUBS AND CROSS-OVERS TO RIG • FLOOR. 15:30 - 18:00 2.50 CASING P SURF PICK UP 8-1/2"DRILLING ASSEMBLY PER BAKER DIRECTIONAL DRILLER FROM SURFACE TO 618'MD. -8-172"HALLIBURTON MM65M PDC BIT -6-3/4"AUTOTRAK RSS;WITH ONTRACK MWD(GR/RES/PWDNSS/SURVEY) 18:00 - 18:30 0.50 CASING P SURF CHANGE HANDLING EQUIPMENT FOR 4" HT-38 DRILL PIPE. -INSTALL INSERTS IN BX ELEVATORS. INSTALL INSERTS IN PS-21S 18:30 - 19:00 0.50 CASING P SURF RUN IN THE HOLE WITH 8-1/2"RSS DRILLING •ASSEMBLY ON 4"DRILL PIPE FROM 618'TO 996'MD. -PU 70K,SO 69K 1-PERFORM UNANNOUNCED KICK WHILE TRIPPING DRILL AND AAR. -AD DETECTED INCREASE IN FLOW ALMOST IMMEDIATELY -GOOD RESPONSE BY CREW IN • RESPONDING TO DRILL -AAR FOUND SEVERAL VALVES WERE NOT LINED UP CORRECTLY AFTER BOP TEST. 19:00 - 19:30 0.50 CASING P SURF 'SERVICE RIG. -REPLACE WASHPIPE ON TOP DRIVE -GREASE AND INSPECT TOP DRIVE 19:30 - 21:45 2.25 CASING P SURF CONTINUE TO RUN IN THE HOLE WITH 8-1/2" RSS ASSEMBLY;FROM 996'TO 2984'MD. -SHALLOW TEST MWD AT 996'MD. -500 GPM;1230 PSI—GOOD TEST. -PU 87K,SO 84K AT 2984'MD. -MUD WEIGHT 9.2PPG IN/OUT 21:45 - 23:00 1.25 CASING P SURF WASH DOWN FROM 2984'MD TO 3242'MD. -TAG CEMENT STRINGER AT 3207'MD. -WASH DOWN AND TAG PLUGS ON DEPTH AT 13242'MD. -PU 108K,SO 102K,ROT 94K AT 3207'MD. -ROTATING AT 40 RPM,2-3K TORQUE -500 GPM,1775 PSI. 23:00 - 00:00 1.00 CASING P SURF DRILL PLUGS AT 3242'MD -550 GPM,1850 PSI ON,1800 PSI OFF -60 RPM,2-3K TORQUE,WOB 6K PU 124K,SO 92K,ROT 103K 1-SOME RUBBER OBSERVED OVER SHAKERS. Printed 11/3/2014 1:24:57 P M North America-ALASKA-BP Page 10 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UW:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 10/9/2014 00:00 - 02:00 2.00 CASING P SURF CONTINUE TO DRILL UP PLUGS AND CLEAN OUT 9-5/8"SHOE TRACK FROM 3242'TO 3311' MD(10'ABOVE FLOAT SHOE) -550 GPM,1850 PSI ON,1800 PSI OFF 80 RPM,4-5K TORQUE ON,3K TORQUE OFF -WOB 6K 1-PU 124K,SO 92K,ROT 103K 02:00 - 03:00 1.00 CASING P SURF DISPLACE WELL TO 9.5 PPG LSND -500 GPM,1350 PSI -80 RPM,3-4K TORQUE -ROT WT 94K SLOW PUMP RATES:3311'MD,MUD WEIGHT 9.5 PPG 'MP#1:SPM 22/33;PSI 110/155 MP#2:SPM 22/33;PSI 105/165 03:00 - 04:00 1.00 CASING P SURF CONTINUE TO CLEAN OUT 9-5/8"SHOE TRACK,RATHOLE AND 20'OF NEW FORMATION FROM 3311'TO 3350' -500 GPM,1450 PSI ON,1350 PSI OFF -80 RPM,3-5K TORQUE ON,1-3K TORQUE OFF -WOB 3-10K PU 124K,SO 92K,ROT 96K 04:00 05:00 1.00 CASING P SURF CIRCULATE WELL CLEAN FOR LOT;2X BOTTOMS UP -550 GPM;1375 PSI -80 RPM,3-4K TORQUE -WORK THROUGH SHOE 1X AFTER DRILLING. -WORK PIPE 10'TO KEEP LOWER STABILIZER IN OPEN HOLE. -PULL UP INTO 9-5/8"CASING SHOE 05:00 - 06:30 1.50 DRILL P SURF PERFORM LOT -RIG UP HEAD PIN AND CLOSE ANNULAR. -PERFORM LOT PER BP SOP:LEAK-OFF AND FORMATION INTEGRITY TESTS. -MUD WEIGHT:9.5 PPG,3100'TVD,3321'MD -PUMP 2.1 BBLS TO 720 PSI AT 0.5 BPM. -PUMPED 0.7 BBLS PAST BREAK-OVER POINT. -BLED BACK 0.8 BBLS -LOT EMW=13.9 PPG -CONTACT ODE AND DISCUSS RESULTS OF TEST. -ODE GAVE ATP BASED ON 13.9 EMW. -MONITOR THE WELL FOR 10 MIN-STATIC -RIG DOWN HEAD PIN AND TEST EQUIPMENT,OPEN ANNULAR. Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 11 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 06:30 - 12:00 5.50 DRILL P INTI DRILL 8-1/2"INTERMEDIATE HOLE FROM 3350'MD TO 3927'MD(3645'TVD) -600 GPM, 2070 PSI ON,2050 PSI OFF -160 RPM,2-4K TORQUE ON,1-4K TORQUE OFF -WOB4K PU 119K,SO 92K,ROT 98K ECD:ACTUAL=10.3 PPG,CALC=10.06 PPG -SURVEY EVERY-90 FT -ACTUAL ROTATE TIME=3.7 HRS -JAR HOURS(CUMULATIVE)=114.7 HRS BACKREAM 15 FT PRIOR TO CONNECTIONS -MUD WEIGHT:9.5 PPG IN,9.5 PPG OUT ESTABLISHED ECD BASELINE PRIOR TO DRILLING AHEAD. -10.1 PPG. -PUMPING SWEEPS EVERY 300'MD. -20 BBL HI-VIS @ 3850'MD -50%INCREASE IN CUTTINGS OBSERVED AT SHAKERS -TOP OF SV2 @ 3398'MD,3168'TVD(3078' TVDSS) • -AVE ROP 105.8 FPH(INCLUDING CONNECTIONS)THROUGH SV2 -TOP OF SV1 @ 3758'MD,3493'TVD(3402' TVDSS) -AVE ROP 106.3 FPH(INCLUDING CONNECTIONS)THROUGH SV1 SLOW PUMP RATES:3833'MD,3560'TVD, MUD WEIGHT 9.5 PPG MP#1:SPM 30/40;PSI 170/230 MP#2:SPM 30/40;PSI 170/240 Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 12 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date 10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:OOPM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 12:00 - 18:00 6.00 DRILL P INTI DRILL 8-1/2"INTERMEDIATE HOLE FROM 3927'MD TO 4500'MD(4158'TVD) -600 GPM,2120 PSI ON,2100 PSI OFF -180 RPM,3K TORQUE ON,1K TORQUE OFF -WOB 5K -PU 136K,SO 95K,ROT 102K -ECD:ACTUAL=10.3 PPG,CALC=10.06 PPG -SURVEY EVERY—90 FT -BACKREAM 15 FT PRIOR TO CONNECTIONS MUD WEIGHT:9.5 PPG IN,9.5 PPG OUT PUMPING SWEEPS EVERY 300'MD. -30 BBL HI-VIS @4150'MD -25%INCREASE IN CUTTINGS OBSERVED AT SHAKERS -TOP OF SV1 @ 3758'MD,3493'TVD(3402' TVDSS) -AVE ROP 106.3 FPH(INCLUDING CONNECTIONS)THROUGH SV1 -TOP OF UG4 @ 4210'MD,3901'TVD(3810' TVDSS) -AVE ROP 70.9 FPH(WITHOUT CONNECTIONS)THROUGH UG4 '-TOP OF UG4A @ 4249'MD,3936'TVD(3845' TVDSS) -AVE ROP 120 FPH(INCLUDING CONNECTIONS)THROUGH UG4A SLOW PUMP RATES:4500'MD,4158'TVD, MUD WEIGHT 9.5 PPG MP#1:SPM 30/40;PSI 215/290 MP#2:SPM 30/40;PSI 215/285 18:00 - 18:30 0.50 DRILL P INTI SERVICE TOP DRIVE AND RIG FLOOR EQUIPMENT Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 13 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UW:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT '', NPT Depth Phase Description of Operations (hr) (usft) 18:30 - 00:00 5.50 DRILL P INTI DRILL 8-1/2"INTERMEDIATE HOLE FROM 4500'MD TO 5000'MD(4580'TVD) -600 GPM, 2400 PSI ON,2350 PSI OFF -180 RPM,3K TORQUE ON,2K TORQUE OFF -WOB 8K -PU 143K,SO 100K,ROT 108K -ECD:ACTUAL=10.4 PPG,CALC=10.1 PPG -SURVEY EVERY-90 FT -ACTUAL ROTATE TIME=7.7 HRS -JAR HOURS(CUMULATIVE)=122.3 HRS -BACKREAM 15 FT PRIOR TO CONNECTIONS MUD WEIGHT:9.5 PPG IN,9.5 PPG OUT -PUMPING SWEEPS EVERY 300'MD. -30 BBL HI-VIS @ 4510'MD AND 4791'MD. -75%INCREASE IN CUTTINGS OBSERVED AT SHAKERS. -TOP OF UG4A @ 4249'MD,3936'TVD(3845' TVDSS) -AVE ROP 120 FPH(INCLUDING CONNECTIONS)THROUGH UG4A '-TOP OF UG3 @ 4533'MD,4193'TVD(4102' TVDSS) • -AVE ROP 88.1 FPH(INCLUDING CONNECTIONS)THROUGH UG3 -ENCOUNTERED SEVERAL HARD • STREAKS: -NOTICED CORRESPONDING PRESSURE SPIKES OF UP TO 500 PSI. -PICK UP AND RESEAT BIT SEVERAL TIMES. SLOW PUMP RATES:5000'MD,4580'TVD, •MUD WEIGHT 9.5 PPG • MP#1:SPM 30/40;PSI 215/295 MP#2:SPM 30/40;PSI 215/290 10/10/2014 00:00 - 04:30 4.50 DRILL P INTI DRILL 8-1/2"INTERMEDIATE HOLE FROM 5000'MD TO 5167'MD(4759'TVD) -600 GPM, 2550 PSI ON,2450 PSI OFF -100-180 RPM,3-9K TORQUE ON,2-5K TORQUE OFF -WOB 2-15K -PU 146K,SO 102K,ROT 112K -ECD:ACTUAL=10.4 PPG,CALC=10.1 PPG -SURVEY EVERY-90 FT -MUD WEIGHT:9.5 PPG IN,9.5 PPG OUT DRILLING THROUGH THE UG1. ENCOUNTERED SEVERAL HARD SPOTS. ATTEMPT TO PICK UP AND RESEAT BIT. VARING PARAMETERS: -100-180 RPM,WOB 2-15K DIFFICULTY GETTING PAST 5167'MD -INCREASED TORQUE NOTED -OBSERVED PRESSURE SPIKES IN EXCESS OF 250 PSI. -GHOST REAMER AT 3314'MD(7'FROM 9-5/8" CASING SHOE) Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 14 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:OOPM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 04:30 - 06:00 1.50 DRILL P INTI WORK PIPE AND CIRCULATE HOLE CLEAN -PICK UP 30'TO RESEAT BIT.UNABLE TO GET DOWN PAST 5160'MD. -NO INCREASE NOTED IN TORQUE OR PUMP PRESSURE. -WORK UP TO 40K DOWN WEIGHT BEFORE STRING BROKE OVER. WORK PIPE,FULL STAND. -NO ISSUES WITH ROTATION OR CIRCULATION. -CIRCULATE HOLE CLEAN;600 GPM,2550 PSI. DISCUSS OPERATION ISSUES WITH ODE -DECISION MADE TO SHORT TRIP TO THE 9-5/8"SHOE. 06:00 - 07:30 1.50 DRILL P INTI PULL OUT OF THE HOLE ON ELEVATORS FROM 5167'MD TO 4830' -MONITOR WELL FOR 5 MINUTES;STATIC PU 143 K,SO 101 K AT 4900'MD TIGHT HOLE AT 4830'MD WITH 30 K OVERPULL -KELLY UP AND ATTEMPT TO WORK THROUGH -SIGNS OF PACKING OFF -RUN IN HOLE 1 STAND 07:30 - 09:30 2.00 DRILL P INTI CIRCULATE 2 BOTTOMS UP -500 GPM,1750 PSI -80 RPM,4 K TORGUE -WORK PIPE FULL STAND. -SIGNIFICANT AMOUNT OF SMALL COAL RETURNS BACK AT SHAKERS ON BOTTOMS UP. 09:30 - 18:00 8.50 DRILL P INTI BACKREAM OUT OF THE HOLE FROM 4830' MD TO 3261'MD -600 GPM,2500 PSI,150 RPM 4-7K TORQUE -INTERMITTENT TIGHT SPOTS WITH OCCASIONAL PACK OFFS. -DROP DOWN 15'-20'EACH TIME PACK OFF ENCOUNTERED AND WORK BACK THROUGH. 18:00 - 18:30 0.50 DRILL P INTI CIRCULATE THE HOLE CLEAN -600 GPM AT 2100 PSI -SIGNIFICANT AMOUNT OF COAL RETURNS AT THE SHAKERS -PUMP 40 BBL HI-VIS SWEEP -MINOR INCREASE IN CUTTINGS OBSERVED AT SHAKERS 18:30 - 20:00 1.50 DRILL P INTI RUN IN THE HOLE ON ELEVATORS FROM 3261'MD TO 4876'MD -MONITOR WELL FOR 10 MINUTES:STATIC -NO TIGHT HOLE ENCOUNTERED -CIRCULATED BOTTOMS UP AT 4000'MD -600 GPM,2150 PSI 20:00 - 22:00 2.00 DRILL P INTI WASH AND REAM DOWN FROM 4876'MD TO 5167'MD -120 RPM,3 K TORQUE -600 GPM AT 2150 PSI -NO ISSUES GETTING BACK TO BOTTOM. -CONTINUE TO SEE SIGNS OF COAL AT THE SHAKERS. Printed 11/3/2014 1:24:57PM • North America-ALASKA-BP Page 15 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UW:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) '22:00 - 00:00 2.00 DRILL P INTI DRILL 8-1/2"INTERMEDIATE HOLE FROM 5167'MD TO 5300'MD(4855'TVD) -ROP INSTANTANEOUS RATE=180 FPH -600 GPM,2450 PSI ON,2400 PSI OFF -180 RPM,5K TORQUE ON,4K TORQUE OFF WOB 3-15 K -PU 146K,SO 102 K,ROT 115 K -ECD:ACTUAL 10.3 PPG;CALC.CLEAN HOLE 10.1 PPG -SURVEY EVERY 90' -ACTUAL ROTATING TIME.8 HRS -3.1 HRS FOR THE DAY MUD WEIGHT:9.5 PPG IN,9.5 PPG OUT SLOW PUMP RATES:5000'MD,4580'TVD, MUD WEIGHT 9.5 PPG MP#1:SPM 30/40;PSI 215/295 MP#2:SPM 30/40;PSI 215/290 10/11/2014 00:00 - 06:00 6.00 DRILL P INTI DRILL 8-1/2"INTERMEDIATE HOLE FROM 5300'MD TO 5913'MD(5423'TVD) • -ROP INSTANTANEOUS RATE=180 FPH -600 GPM,2740 PSI ON,2720 PSI OFF -180 RPM,4-6K TORQUE ON,3-5K TORQUE OFF WOB 8-15 K • -PU 155K,SO 111K,ROT 123K I-ECD:ACTUAL 10.33 PPG;CALC.CLEAN HOLE 10.13 PPG -SURVEY EVERY 90' -MUD WEIGHT:9.5 PPG IN,9.5 PPG OUT -PUMPING SWEEPS EVERY 300'MD. -30 BBL HI-VIS @ 5400'. -35%INCREASE IN CUTTINGS OBSERVED AT SHAKERS. -30 BBL WEIGHTED SWEEP(10.5 PPG)@ 5700' -NO SIGNIFICANT RETURN IN CUTTINGS OBSERVED. -NO BACKREAMING PRIOR TO CONNECTIONS -SLOW PUMP RATES:5535'MD(5085'TVD) MP#1:SPM 30/40;PSI 255/320 MP#2:SPM 30/40;PSI 250/320 Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 16 of 35 Operation Summary Report Common Well Name.N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 06:00 - 12:00 6.00 DRILL P INTI DRILL 8-1/2"INTERMEDIATE HOLE FROM 5913'MD TO 6481'MD(5961'TVD) -ROP INSTANTANEOUS RATE=100-180 FPH -600 GPM,3140 PSI ON,3000 PSI OFF -180 RPM,7-8K TORQUE ON,4-8K TORQUE OFF -WOB 8K PU 166K,SO 114K,ROT 126K -ECD:ACTUAL 10.9 PPG;CALC.CLEAN HOLE 10.3 PPG SURVEY EVERY 90' MUD WEIGHT:9.6 PPG IN,9.6 PPG OUT -REDUCED ROP TO CONTROL ECD -SLOW PUMP RATES:6008'MD(5507'TVD) MP#1:SPM 30/40;PSI 250/330 MP#2:SPM 30/40;PSI 250/340 12:00 - 18:00 6.00 DRILL P INTI DRILL 8-1/2"INTERMEDIATE HOLE FROM 6481'MD TO 6860'MD(5961'TVD) -ROP INSTANTANEOUS RATE=75 FPH -555 GPM,3200 PSI ON,3180 PSI OFF 120 RPM,7K TORQUE ON,7K TORQUE OFF -WOB 7K PU 166K,SO 121K,ROT 135K -ECD:ACTUAL 11.3 PPG;CALC.CLEAN HOLE 10.9 PPG -SURVEY EVERY 90' -MUD WEIGHT:10.3 PPG IN,10.3 PPG OUT BY CM2 @ 6977'MD. -6300'-6500'MD: INCREASE MW PER PROGRAM FROM 9.6 PPG TO 9.8 PPG -6500'-6977'MD: INCREASE MW PER PROGRAM FROM 9.8 PPG TO 10.3 PPG FOR CM2 PORE PRESSURE AND SHALE STABILITY. -REDUCED FLOWRATE FROM 600 TO 550 GPM AND RPMS FROM 180-120 FOR DIRECTIONAL CONTROL WHILE MAKING DROP AND TURN IN SOFT FORMATION. -SLOW PUMP RATES:6670'MD(6148'TVD) MP#1:SPM 30/40;PSI 320/410 MP#2:SPM 30/40;PSI 310/405 18:00 - 18:30 0.50 DRILL P INTI SERVICE TOP DRIVE Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 17 of 35 Operation,Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30©90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 18:30 - 22:00 3.50 DRILL P INTI DRILL 8-1/2"INTERMEDIATE HOLE FROM 6860'MD TO 7145'MD(6620'TVD) -ROP INSTANTANEOUS RATE=100 FPH -555 GPM,3200 PSI ON,3180 PSI OFF -150 RPM,7K TORQUE ON,7K TORQUE OFF -WOB 7K -PU 166K,SO 121K,ROT 135K -ECD:ACTUAL 11.3 PPG;CALC.CLEAN HOLE 10.9 PPG SURVEY EVERY 90' MUD WEIGHT:10.3 PPG IN,10.3 PPG OUT -ROTATING HOURS=8.1 -INCREASED RPMS FOR DIRECTIONAL CONTROL IN NEW FORMATION -ECD SPIKE TO 11.7 PPG AT 22:00 HRS 22:00 - 00:00 2.00 DRILL P INTI CIRCULATE BOTTOMS UP 4 TIMES FOR ECD MANAGEMENT -550 GPM,2600 PSI 150 RPM,4K TORQUE -CIRCULATE WHILE ROTATING AND RECIPROCATING PIPE 10/12/2014 00:00 - 00:30 0.50 DRILL P INTI SERVICE TOPDRIVE AND RIG FLOOR EQUIPMENT -REPLACE VALVE AND SEAT IN MUDPUMP#2 -CIRCULATING AT 365 GPM;1650 PSI -100 RPM;4-6K TORQUE -WORKING PIPE 1 FULL STAND. ECD DROP TO 11.0 PPG AFTER CIRCULATION AND SWEEP. 00:30 - 06:00 5.50 DRILL P INTI DRILL 8-1/2"INTERMEDIATE HOLE FROM 7145'MD TO 7453'MD -ROP INSTANTANEOUS RATE=80 FPH -555 GPM,3330 PSI ON,3260 PSI OFF -150 RPM,4-8K TORQUE ON,4-6K TORQUE OFF -WOB 15K -PU 166K,SO 129K,ROT 134K -ECD:ACTUAL 11.4 PPG;CALC.CLEAN HOLE 10.9 PPG -SURVEY EVERY 90' -MUD WEIGHT:10.3 PPG IN,10.3 PPG OUT -CIRCULATE BOTTOMS UPAS REQUIRED FOR ECD MANAGEMENT -CIRCULATE 30 BBL HI-VIS SWEEPS -MINOR INCREASE IN RETURNS AT SHAKERS 7000'-7369'MD: BLEED IN 450 BBLS NEW 10.3 PPG LSND WITH BLACK PRODUCTS TO BE AT FULL CONCENTRATION PRIOR TO SHALES AT 7369'MD,THRZ. -SLOW PUMP RATES:7255'MD(6712'TVD) MP#1:SPM 30/40;PSI 315/415 MP#2:SPM 30/40;PSI 310/410 Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 18 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UW:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 06:00 - 12:00 6.00 DRILL P INTI DIRECTIONAL DRILL 8-1/2"INTERMEDIATE HOLE SECTION FROM 7453'MD TO 7802'MD (349'IN 6 HRS=58 FPH WITH CONNECTIONS). -INSTANTANEOUS ROP=70-100 FPH -550 GPM,3350-3550 PSI,100-120 RPM,7-8 KFT-LBS TORQUE ON BOTTOM,4-5 KFT-LBS OFF,10-15 KLBS WOB -INITIAL 100 RPM AT THE TOP OF THE SHALES TO REDUCE AGITATION -SURVEY EVERY STAND. NO BACKREAMING AT CONNECTIONS. CALCULATED CLEANHOLE ECD=10.9 PPG, ACTUAL=11.3-11.4 PPG,HARDLINE=11.6 PPG. -MW IN/OUT=10.3 PPG -NO LOSSES TO FORMATION WHILE DRILLING. -PUMP 30 BBL HI-VIS SWEEPS EVERY 300' MD WITH MODERATE INCREASE IN CUTTINGS RETURNED. -SLOW PUMP RATES:7805'MD(7476'TVD) MP#1:SPM 30/40;PSI 330/440 MP#2:SPM 30/40;PSI 330/450 12:00 - 00:00 12.00 DRILL P INTI DIRECTIONAL DRILL 8-1/2"INTERMEDIATE HOLE SECTION FROM 7802'MD TO 8472'MD (670'IN 12 HRS=56 FPH WITH CONNECTIONS). -INSTANTANEOUS ROP=70-100 FPH -550 GPM,3350-3550 PSI,100-120 RPM,6-9 KFT-LBS TORQUE ON BOTTOM,5 KFT-LBS OFF,10-15 KLBS WOB -PU 180K,SO 143K,ROT 150K -SURVEY EVERY STAND. NO BACKREAMING AT CONNECTIONS. -CALCULATED CLEANHOLE ECD=10.9 PPG, ACTUAL=11.3-11.4 PPG,HARDLINE=11.6 PPG. -MW IN/OUT=10.3 PPG -NO LOSSES TO FORMATION WHILE DRILLING. -PUMP 30 BBL HI-VIS SWEEPS EVERY 300' MD WITH MODERATE INCREASE IN CUTTINGS RETURNED. -ECD MANAGEMENT;REDUCE INSTANTANEOUS ROP TO 25 FPH AT 18:00 HRS FOR 30 FT -ACTUAL ROTATING TIME=18.6 HRS. -SLOW PUMP RATES:8187'MD(7610'TVD) MP#1:SPM 20/30;PSI 245/335 MP#2:SPM 20/30;PSI 255/340 Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 19 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:OOPM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UW:500292352300 Active datum:N-30©90.Bousft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 10/13/2014 00:00 - 06:00 6.00 DRILL P INTI DIRECTIONAL DRILL 8-1/2"INTERMEDIATE HOLE SECTION FROM 8472'MD TO 8850'MD (378'IN 6 HRS=63 FPH WITH CONNECTIONS). -INSTANTANEOUS ROP=70-100 FPH -550 GPM,3560-3540 PSI,120 RPM,6-9 KFT-LBS TORQUE ON BOTTOM,6 KFT-LBS OFF,15 KLBS WOB -PU 185K,SO 147K,ROT 153K SURVEY EVERY STAND. NO BACKREAMING AT CONNECTIONS. CALCULATED CLEANHOLE ECD=10.9 PPG, ACTUAL=11.2 PPG,HARDLINE=11.6 PPG. -MW IN/OUT=10.3 PPG -NO LOSSES TO FORMATION WHILE DRILLING. -PUMP 30 BBL HI-VIS SWEEPS EVERY 200' MD WITH MODERATE INCREASE IN CUTTINGS RETURNED. -SLOW PUMP RATES:8658'MD(8059'TVD) MP#1:SPM 30/40;PSI 360/470 MP#2:SPM 30/40;PSI 370/490 06:00 - 06:30 0.50 DRILL P INTI CHANGE OUT DISCHARGE VALVES AND SEATS ON MUD PUMP#2 SERVICE TOP DRIVE -365 GPM;60 RPM;5K TORQUE -WORKING PIPE IN 60'STROKES 06:30 - 12:00 5.50 DRILL P INTI DIRECTIONAL DRILL 8-1/2"INTERMEDIATE HOLE SECTION FROM 8472'MD TO 9100'MD (250'IN 6 HRS=42 FPH WITH CONNECTIONS). -INSTANTANEOUS ROP=70-100 FPH 1 -550 GPM,3640-3600 PSI,120 RPM,5-9 KFT-LBS TORQUE ON BOTTOM,5 KFT-LBS OFF,15 KLBS WOB -PU 194K,SO 150K,ROT 157K -SURVEY EVERY STAND. NO BACKREAMING AT CONNECTIONS. -CALCULATED CLEANHOLE ECD=10.9 PPG, ACTUAL=11.2 PPG,HARDLINE=11.6 PPG. -MW IN/OUT=10.3 PPG -NO LOSSES TO FORMATION WHILE DRILLING. -PUMP 30 BBL HI-VIS SWEEPS EVERY 200' MD WITH MODERATE INCREASE IN CUTTINGS RETURNED. Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 20 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 12:00 - 18:00 6.00 DRILL P INTI DIRECTIONAL DRILL 8-1/2"INTERMEDIATE HOLE SECTION FROM 9100'MD TO SECTION TD AT 9155'MD(8528'TVD) -INSTANTANEOUS ROP=70-100 FPH -550 GPM,3760-3740 PSI,120 RPM,5-8 KFT-LBS TORQUE ON BOTTOM,5 KFT-LBS OFF,15 KLBS WOB -PU 200K,SO 151K,ROT 157K -SURVEY EVERY STAND. NO BACKREAMING AT CONNECTIONS. CALCULATED CLEANHOLE ECD=10.9 PPG, ACTUAL=11.2 PPG,HARDLINE=11.6 PPG. -MW IN/OUT=10.3 PPG -NO LOSSES TO FORMATION WHILE DRILLING. -REVERSE DRILLING BREAK OBSERVED AT 9128'MD AND DRILLED 5'TO 9133'MD -CIRCULATE SAMPLE FOR RIG GEO. -DRILL AHEAD 7'TO 9140'MD '-CIRCULATE SAMPLE FOR RIG GEO. DRILLAHEAD 7'TO 9147'MD -CIRCULATE SAMPLE FOR RIG GEO. -DRILL AHEAD AND OBSERVED REVERSE DRILLING BREAK AT 9148'MD;DRILL TO 9155' MD CIRCULATE SAMPLE FOR RIG GEO -60%SAND WITH LARGE AMOUNT OF GLAUCONITIC SANDSTONE OBSERVED. -SLOW PUMP RATES:9155'MD(8528'TVD) MP#1:SPM 30/40;PSI 300/415 MP#2:SPM 30/40;PSI 305/420 18:00 - 22:00 4.00 DRILL P INTI CIRCULATE 3 BOTTOMS UP -550 GPM;3600 PSI -120 RPM;6K TORQUE. -PUMPED 30 BBL HI-VIS SWEEP -SIGNIFICANT INCREASE IN CUTTINGS OBSERVED AT THE SHAKERS. TOTAL OF 7 BOTTOMS UP CIRCULATED FROM 9133'TO TD. PJSM WITH RIG CREW ON PUMPING OUT OF THE HOLE 22:00 - 23:00 1.00 DRILL P INTI PUMP OUT OF THE HOLE FROM 9155'TO 9039'MD -MONITOR THE WELL FOR 10 MINUTES; STATIC -40 GPM,145 PSI AT 9039'MD 23:00 - 23:30 0.50 DRILL P INTI SERVICE TOP DRIVE AND RIG FLOOR EQUIPMENT 23:30 - 00:00 0.50 DRILL N RREP INTI CHANGE OUT SAVER SUB ON TOP DRIVE. -PJSM WITH RIG CREW -CIRCULATE AT 240 GPM;800 PSI. -MOVING PIPE EVERY 10-15 MINUTES. Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 21 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 10/14/2014 00:00 - 03:00 3.00 DRILL P INTI PUMP OUT OF THE HOLE FROM 9039'MD TO 7940'MD -MONITOR THE WELL FOR 10 MINUTES PRIOR TO PULLING OFF BOTTOM(STATIC) -40 GPM,230 PSI -10-15K OVER PULL NOTED FROM 8193'TO 8025'MD -PULLING TIGHT AT 7940'MD,INDICATIONS OF PACKING OFF NOTIFY ODE AND NORTH SLOPE SUPERINTENDENT 03:00 - 07:30 4.50 DRILL P INTI WORKING TIGHT HOLE -WORK PIPE FROM 7940'MD BACK DOWN TO 7970'MD. -BLEED OFF 400 PSI AND SLACK OFF TO 100K -STRING BROKE FREE AT 7970'MD. STAGE UP PUMPS IN 1/4 BBL INCREMENTS TO 300 GPM;1200 PSI.WITH 9%RETURN FLOW.OBSERVED PACKOFF,WORK PIPE FREE WITH 20K UNDER STRING WEIGHT AND NO PUMP NO LOSSES WHILE WORKING TIGHT HOLE AND PACKOFFS 07:30 - 10:30 3.00 DRILL P INTI BACKREAM OUT OF THE HOLE FROM 7970' MD TO 7771'MD,ATTEMPTING TO FIND FREE SPOT. ONLY ABLE TO BACKREAM AT HALF DRILLING RATE WITHOUT MAJOR PACK-OFFS. -6 BPM,750 PSI AFTER STAGING UP PUMPS -30 RPM,4K TORQUE -SEVERAL INSTANTANEOUS PACK-OFFS. STAGE UP PUMPS AFTER EACH. 10:30 - 12:00 1.50 DRILL P INT1 STAGE UP PUMPS TO FULL DRILLING PARAMETERS&CIRCULATE BOTTOMS UP. -550 GPM,3200 PSI,80 RPM,6K TORQUE -MODERATE AMOUNT OF FINES BACK AT SHAKERS,NO MAJOR SHALE RETURNS 12:00 - 15:30 3.50 DRILL P INTI CIRCULATE HOLE CLEAN WHILE WORKING TO RECIPROCATE FULL STAND FROM 7805' MD TO 7710'MD -550 GPM,3250 PSI -80 RPM,6K TORQUE -WORKED UP IN 5'INTERVALS DUE TO TIGHT HOLE AND ATTEMPTING TO PACK OFF 15:30 - 17:00 1.50 DRILL P INTI TRIP IN THE HOLE ON ELEVATORS FROM 7710'MD TO BOTTOM AT 9155'MD,30 FPM -NO TIGHT HOLE AND NO LOSSES OBSERVED WHILE RUNNING IN THE HOLE -CLEANOUT 10'OF FILL ON BOTTOM. Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 22 of 35 Operation Summary Report Common Well Name N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum.N-30©90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 17:00 - 22:00 5.00 DRILL P INTI CIRCULATE HOLE CLEAN WITH 6 BOTTOMS UP WHILE RECIPROCATING FULL STAND. -550 GPM,3600 PSI ICP,3550 FCP. -80 RPM,6K TORQUE LARGE AMOUNT OF FINES AND SHALE SPLINTERS RETURNED BETWEEN FIRST AND SECOND BOTTOMS UP. SHAKERS CLEAN UP DRAMATICALLY AT END OF CIRCULATION PERIOD. -PUMP(1)300 SEC/QT HI-VIS SWEEP WITH MODERATE INCREASE IN RETURNS,(1)1PPG OVER 300 SEC/QT HI-VIS SWEEP WITH MODERATE INCREASE,(1)300 SEC/WT HI-VIS SWEEP WITH LOW INCREASE. CALCULATED CLEANHOLE ECD=10.8 PPG, ACTUAL=10.9 PPG 22:00 - 00:00 2.00 DRILL P INTI PUMP OUT OF THE HOLE WITH 8-1/2" DRILLING ASSEMBLY THROUGH SHALES FROM TD AT 9155'MD TO 8250'MD AT MIDNIGHT. -1 BPM,150 PSI,30 FPM -NO TIGHT SPOTS ENCOUNTERED. 10/15/2014 00:00 - 02:30 2.50 DRILL P INTI PLANNED SHORT TRIP: UNSUCCESSFULLY ATTEMPT TO BACKREAM OUT OF HOLE FROM 8250'MD(BACKREAMING WAS PLANNED HERE BECAUSE OF TROUBLES ON FIRST SHORT TRIP ATTEMPT ON 10/14/14). -550 GPM,3325-3400 PSI,80 RPM,6-7 KFT-LBS TORQUE -UNABLE TO MAKE PROGRESS WITHOUT MAJOR SIGNS OF PACKING OFF. DISCUSS WITH ODE AND DECISION TO RESUME PUMPING OUT THROUGH SHALES. 02:30 - 05:00 2.50 DRILL P INTI PLANNED SHORT TRIP: PUMP OUT OF THE HOLE WITH 8-1/2"DRILLING ASSEMBLY THROUGH SHALES FROM 8250'MD TO 7336' MD -1 BPM,150-200 PSI,30 FPM,185-200 KLBS PU WEIGHT -7585'-7565'MD-HOLE PACKING OFF. ABLE TO WORK THROUGH BY BREAKING FREE WITH 15 RPM AND THEN RESUMING PUMPING 1 BPM. Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 23 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor PARKER DRILLING CO. UWI:500292352300 Active datum:N-30©90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 05:00 - 14:00 9.00 DRILL P INTI PLANNED SHORT TRIP: PULL OUT OF HOLE WITH 8-1/2"DRILLING ASSEMBLY ON ELEVATORS FROM 7336'MD TO BIT DEPTH OF 1852'MD. LAYDOWN 8-1/2"GHOST REAMER -FLOWCHECK WELL 10 MIN AT 9-5/8"CSG SHOE FOR 10 MIN(STATIC). -OBSERVE 5-10 KLBS HOOKLOAD IMPROVEMENT AFTER PULLING GHOST REAMER INTO 9-5/8"CSG SHOE(ALSO COINCIDES WITH PREVIOUS SHORT TRIP DEPTH 5167'MD). GHOST REAMER UPPER PORTION OF BLADES WERE 1/8"UNDER GAUGE,LOWER PORTION WERE 1/2"UNDER GAUGE. -1/2 OF CARBIDE MISSING FROM BLADES PULL TIGHT AT 5860'MD. RUN IN HOLE 4 STANDS AND CIRCULATE HOLE CLEAN WITH 3 BOTTOMS UP. 10 KLBS IMPROVEMENT IN HOOKLOAD AFTER CIRCULATING. MINOR INCREASE IN FINE CUTTINGS ON FIRST 'BOTTOMS UP 14:00 - 21:30 7.50 DRILL P INTI PLANNED SHORT TRIP: RUN IN HOLE WITH 8-1/2"DRILLING ASSEMBLY ON ELEVATORS FROM 1852'MD TO HOLE SECTION TD AT 9155'MD;75-100 FPM -PERFORM KICK WHILE TRIPPING DRILLS AND AARS WITH BOTH CREWS. -PERFORM WEEKLY FUNCTION TEST ON BOPE FROM LER REMOTE PANEL(PASS). -WASHED DOWN LAST 30'AT 2BPM, OBSERVED 7'OF FILL -OBSERVED TIGHT SPOT AT 8536'MD SET DOWN 25K,PICKED UP OUT OF TIGHT SPOT STAGED UP PUMPS TO 550 GPM,3700 PSI, STAGE UP ROTARY TO 80 RPM,5K TORQUE AND REAM OUT TIGHT SPOT 21:30 - 00:00 2.50 DRILL P INTI CIRCULATE HOLE CLEAN WITH 6 BOTTOMS UP(COMPLETE CIRCULATING ON 10/16/14) -425 GPM,2350 PSI AND 550 GPM,3450 PSI AFTER STAGING UP PUMPS -80 RPM,7KFT-LBS TORQUE -PUMP 30 BBL,300+SEC/QT HIGH VIS SWEEP WITH MODERATE INCREASE IN SOLIDS BACK AT SHAKERS -MW IN/OUT=10.3 PPG,10.8 PPG ECD ACTUAL,10.8 PPG CALC 10/16/2014 00:00 - 02:30 2.50 DRILL P INTI CIRCULATE HOLE CLEAN WITH 6 TOTAL BOTTOMS UP -550 GPM,3465 PSI -80 RPM,7K TORQUE -PERFORM 290 BBL DILUTION WITH NEW 10.3 PPG LSND,MW IN/OUT=10.3 PPG Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 24 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date: 10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. �UWI:500292352300 Active datum:N-30©90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 02:30 - 06:00 3.50 r DRILL P INTI PUMP OUT OF THE HOLE WITH 8-1/2" DRILLING ASSEMBLY FROM 9155 MD TO TOP OF SHALES AT 7300'MD -MONITOR WELL FOR 10 MIN PRIOR TO PULLING OFF BOTTOM=STATIC -SPOT 30 BBL,40 LB/BBL LCM DRILL AHEAD PILL ON BOTTOM WHILE PULLING OUT OF THE HOLE NO HOLE ISSUES ENCOUNTERED IN iSHALES 06:00 - 14:00 8.00 DRILL P INTI PULL OUT OF THE HOLE WITH 8-1/2" DRILLING ASSEMBLY ON ELEVATORS FROM TOP OF SHALES AT 7300'MD TO 618'MD. -FLOWCHECK WELL AT 9-5/8"SURFACE CASING SHOE&AT BHA(STATIC) -NO HOLE ISSUES ENCOUNTERED WHILE PULLING OUT OF OPEN HOLE -HOLD D1 KICK WHILE TRIPPING DRILL, I HOLD AAR AND DISCUSS BOP CONTINGENCY PLAN 1 EXTENSIVE AAR AND EXTRA TRIPPING TIME DURING INTERVAL DUE TO GWO ASSESSORS ON LOCATION 14:00 - 18:00 4.00 DRILL P INTI LAY DOWN INTERMEDIATE DRILLING BHA FROM 618'MD TO SURFACE -CHANGE OUT PS-21 INSERTS FOR HANDLING BHA -BIT AND STABILIZER-50%BALL UP WITH CLAY AND SHALE -NOTABLE WEAR ON BHA COMPONENTS BIT GRADE:3-4-BT-A-X-1/16-HC-TD 18:00 - 20:00 2.00 WHSUR P � INTI PULL WEAR BUSHING,MAKE UP LANDING JOINT AND PERFORM DUMMY RUN WITH HANGER -PERFORM WEEKLY FUNCTION TEST WITH 17"CASING RAMS AND BLIND RAMS FROM 1 LER REMOTE PANEL 20:00 - 20:30 0.50 CASING P INTI SERVICE RIG WHILE CLEANING RIG FLOOR 20:30 - 00:00 3.50 CASING P INTI RIG UP CASING RUNNING EQUIPMENT -CHANGE OUT 10'BALES TO 15'BALES WITH 4'EXTENSIONS ,-RIG UP VOLANT TOOL AND CEMENT SWIVEL j-RIG UP CASING TONGS AND 250 TON SIDE DOOR ELEVATORS -CHANGE OUT PS-21 INSERTS 10/17/2014 00:00 00:30 0.50 CASING P INTI COMPLETE RIG UP OF CASING EQUIPMENT Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 25 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 00:30 - 21:00 20.50 CASING P INTI RUN 7",26#,L-80,INTERMEDIATE CASING TO PLANNED SETTING DEPTH AT 9151'MD,8525' TVD. LAND ON MANDREL HANGER 4'MD OFF BOTTOM(9155'MD) -CHECK FLOATS(PASS) -USE JET LUBE SEAL GUARD PIPE DOPE AND TORQUE TURN ALL VAMTOP CONNECTIONS TO OPT MU TORQUE 11,950 FT-LBS I-STAGE UP PUMPS AND CIRCULATE 85 BBL ANNULAR VOLUME AT 3321'MD 9-5/8"CASING SHOE;7 BPM,520 PSI,NO LOSSES -BREAK CIRCULATION IN OPEN HOLE EVERY 5 JOINTS IN THE UGNU AND EVERY 10 JTS AT •5 BPM FOR-3 MINUTES TO TOP OF HRZ -FILL CASING ON THE FLY WITH FILL UP HOSE OBTAIN PU/SO WEIGHTS EVERY 10 JTS -WASH FINAL JOINT DOWN. NO FILL OBSERVED. FINAL PU 302K,SO 157K -MUD WEIGHT:10.3 PPG IN,10.3 PPG OUT -MUD LOSSES WHILE RUNNING IN THE HOLE:14 BBLS 9151'MD SET DEPTH IS-1'MD INTO TSGR (TOP AT 9150'MD). FLOAT COLLAR AT 9066'MD -TIGHT HOLE ENCOUNTERED FROM 8,190' MD TO 8,327'MD. WORK PIPE DOWN FOR 1.5 HRS IN 1'-5'INTERVALS BY SLACKING OFF 30-70 KLBS UNDER DOWN WEIGHT AT 50 FPM. PIPE ALWAYS FREE UP. (FAULTS AT 8250'MD AND 8378'MD) DIFFERENTIALLY STUCK AFTER MAKING UP TOP PUP OF LANDING JOINT AT 9145'MD(--15 MIN TO MAKE FINAL CONNECTION). SHUT OFF PUMPS,SLACKOFF ENTIRE STRING WEIGHT,AND BREAK PIPE FREE IN DOWN MOTION. 21:00 - 00:00 3.00 CASING P INTI STAGE UP TO CEMENTING RATE IN 0.5 BPM INCREMENTS TO FINAL CIRCULATING RATE OF 7 BPM. CIRCULATE ONE OPEN HOLE ANNULAR VOLUME AT 3 BPM,ICP 715 PSI, FCP 530 PSI PRIOR TO COMPLETING STAGE UP. -@ 3 BPM,500 PSI -@ 3.5 BPM,560 PSI -@ 4 BPM,590 PSI -@ 4.5 BPM,630 PSI -@ 5 BPM,700 PSI -@ 5.5 BPM,760 PSI -@ 6 BPM,830 PSI -@ 6.5 BPM,900 PSI -@ 7 BPM,1082 PSI -CONDITION MUD TO 10.3 PPG,12 PV,18 YP -INITIAL PRESSURE AT CEMENTING RATE: 1082 PSI -RECIPROCATED PIPE STRETCH AT SURFACE MUD LOSSES:0 BBL Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 26 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:OOPM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 10/18/2014 00:00 - 01:00 1.00 CASING P INTI CIRCULATE AND CONDITION MUD AT FULL CEMENTING RATE. CIRCULATE TOTAL OF 12 BOTTOMS UP -7 BPM,1100 PSI -RECIPROCATE PIPE STRETCH AT SURFACE -NO LOSSES -LINE UP AND ATTEMPT TO PRESSURE TEST CEMENT LINES OFF LINE,TEST FAILED DUE TO BAD VALVES IN PUMPS 01:00 - 03:00 2.00 CASING N CEMT 9,155.00 INTI CIRCULATE AND CONDITION MUD AT FULL CEMENTING RATE -7 BPM,1100 PSI -RECIPROCATE PIPE STRETCH AT SURFACE -NO LOSSES SLB RETRIEVE NEW VALVES FROM SHOP AND REBUILD PUMPS ON LOCATION 03:00 - 05:30 2.50 CASING P INTI CEMENT 7"INTERMEDIATE CASING AS FOLLOWS: -FILL LINES WITH WATER AND PRESSURE TEST TO 250/4500 PSI FOR 5 MINUTES EACH -PUMP 30 BBLS OF 12 PPG MUDPUSH II SPACER @ 5 BPM,750-700 PSI -RELEASE VOLANT TOOL AND DROP BOTTOM PLUG -PUMP 47.3 BBLS(227 SACKS)OF 15.8 PPG CLASS G TAIL @ 5 BPM,800-600 PSI,EXCESS VOLUME 30% (YIELD 1.17 CU.FT/SK) -RELEASE VOLANT TOOL AND DROP TOP PLUG PERFORM DISPLACEMENT WITH RIG PUMPS AND 10.3 PPG LSND MUD PER SLB CADE -300 BBLS DISPLACED AT 7 BPM:ICP 465 PSI, FCP 1060 PSI 20 BBLS DISPLACED AT 3 BPM:ICP 340 PSI, FCP 650 PSI -REDUCE RATE TO 2 BPM PRIOR TO PLUG BUMP:icp=518 PSI,FINAL CIRCULATING PRESSURE 822 PSI(-90%OF CADE PREDICTION) -BUMP PLUG WITH 3665 STROKES AND INCREASE PRESSURE TO 1310 PSI,CHECK FLOATS-GOOD -TOTAL DISPLACEMENT VOLUME 337 BBLS (MEASURED BY STROKES AND CALCULATING OUT TO 95%PUMP EFFICIENCY) -RECIPROCATE PIPE 2'AT SURFACE DURING CEMENTING AND DISPLACEMENT. PARK PIPE WHEN PUMP RATE DROPPED TO 2 BPM FOR PLUG BUMP. DO SIGNS OF TIGHT HOLE DURING JOB. -NO LOSSES DURING JOB. -CEMENT IN PLACE AT 05:20. 500 PSI COMPRESSIVE AT 15:26 ON 10/18/14 -FIELD ESTIMATE TOC AT 7651'MD,7107'TVD Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 27 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UW:500292352300 Active datum:N-30©90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 05:30 - 06:30 1.00 CASING P INTI PRESSURE TEST 7"CASING TO 250 PSI LOW FOR 5 MIN AND 3500 PSI HIGH FOR 30 MIN (PASS) -PUMP 5 BELS TO PRESSURE UP AND BLEED 5 BBLS OFF -0 PSI LOSS FOR THE ENTIRE 30 MIN TEST OBTAIN AUTHORIZATION FROM THE WTL TO PROCEED -SEE ATTACHED DOCMENTATION 06:30 - 09:30 3.00 CASING P INTI LAYDOWN LANDING JOINT. RIG DOWN CASING AND CEMENTING EQUIPMENT. SWAP BAILS FROM 15'TO 11'. RIG UP BX ELEVATORS. -SIMOPS: RIG UP SECONDARY KILL LINE TO OA AND MAKEUP 30 BBLS 14.8 PPG LSND IN PILL PIT FOR FREEZE PROTECTING. OFFLOAD LSND. 09:30 - 12:00 2.50 WHSUR P INTI MAKEUP PACKOFF RUNNING TOOL TO FULL STAND 4"HWDP. RUN 7 PACKOFF AND ENGAGE ALL LOCKDOWN SCREWS AND TORQUE GLAND NUTS/LDS TO 450 FT-LBS. RACKBACK STAND 4"HWDP. -FMC REPRESENTATIVE TEST PACKOFF TO 250 PSI LOW FOR 5 MIN AND 5000 PSI HIGH FOR 15 MIN(PASS,SEE ATTACHED CHART). 12:00 - 14:30 2.50 BOPSUR P INTI DE-ENERGIZE ACCUMULATOR AND SWAP UPPER RAMS FROM 7 TO 2-7/8"X 5-1/2" VBRS. BARRIERS TO BREAKING CONTAINMENT: -CLOSED BLIND-SHEAR RAMS -PRESSURE TESTED CASING/PACKOFF, PASSING FLOAT CHECK,KWF SIMOPS(CONTINUED DURING RIG UP TO TEST BOPE): -PUMP 5 BBLS 10.3 PPG LSND DOWN OA TO CONFIRM INJECTIVITY. 10 SPM,500 PSI. !-CLEAN PITS IN PREPARATION FOR QUICKDRIL CLOSEOUT AUDIT ACTION ITEMS AROUND RIG. -GRIND DOWN FLARED WINGS ON HARDLINE AROUND THE RIG 14:30 - 18:30 4.00 BOPSUR P INTI RIG UP TO TEST BOPE. SET TEST PLUG. FILL LINES WITH WATER AND PERFORM SHELL TEST. 18:30 - 00:00 5.50 BOPSUR P INTI FUNCTION-PRESSURE TEST BOPE WITH 2-7/8"&4-1/7 TEST JOINTS TO 250 PSI LOW AND 3500 PSI HIGH FOR FIVE MIN EACH PER BP STANDARDS AND AOGCC REGULATIONS. -TEST COMPLETED ON 10/19/2014 SEE ALL DETAILS DURING NEXT TIME INTERVAL Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 28 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:OOPM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 10/19/2014 00:00 - 02:30 2.50 BOPSUR P INTI FUNCTION-PRESSURE TEST BOPE WITH 2-7/8"&4-1/2"TEST JOINTS TO 250 PSI LOW AND 3500 PSI HIGH FOR FIVE MIN EACH PER BP STANDARDS AND AOGCC REGULATIONS. STATE'S RIGHT TO WITNESS TEST WAIVED BY AOGCC INSPECTOR BOB NOBLE. -TEST UPPERAND LOWER VBR RAM LOCKS WITH 4-1/2"TEST JOINT(PASS) -SEE ATTACHED DOCUMENTATION -MECHANICS ADJUST AIR PUMP SHUT OFF BACK UP TO 3000 PSI FROM 2800 PSI -ANNULAR FAILED TO PRESSURE TEST 02:30 - 11:00 8.50 BOPSUR N RREP 9,155.00 INTI CHANGE OUT ANNULAR ELEMENT(LAST CHANGED 1/5/14). RE-TEST WITH 2-7/8"TEST JOINT TO 250 PSI LOWAND 3500 PSI HIGH FOR 5 MIN EACH(PASS). -DRILLING TROUBLE TIME TR@CTION REPORT#4843556 BARRIERS TO BREAKING CONTAINMENT: CLOSED BLIND-SHEAR RAMS -PRESSURE TESTED CASING/PACKOFF, PASSING FLOAT CHECK,KWF SIMOPS: FREEZE PROTECT 9-5/8"X 7"ANNULUS(OA) TO 2295'MD,2200'TVD(SPERM AT 2086'MD, 2016'TVD)AS FOLLOWS: -LEAKTIGHT TEST LINES TO 1000 PSI(PASS) -PUMP 26 BBLS 14.8 PPG LSND;2.5 BPM,ICP 510 PSI,FCP 350 PSI -PUMP 59 BBLS 6.8 PPG DIESEL;1.8 BPM,100 PSI ICP,800 PSI FCP,SHUT-IN WITH 600 PSI ON OA. -TOTAL FLUID PUMPED=90 BBLS(106%OF ANNULUS VOLUME) 500 PSI COMPRESSIVE STRENGTH ON CEMENT REACHED AT 15:26 ON 10/18 -PRESSURE AT 9-5/8"SHOE,3100'TVD=1470 PSI(100 PSI OVERBALANCE TO 8.5 PPG EMW) 11:00 - 14:30 3.50 BOPSUR P INTI RIG DOWN AFTER TESTING -CLEAR RIG FLOOR -LOAD BHA COMPONENTS -INSTALL WEAR BUSHING(7-1/8"ID) 14:30 - 20:00 5.50 DRILL P PROD1 MAKEUP AND RUN IN HOLE WITH 6-1/8" DRILLING ASSEMBLY FROM SURFACE TO 1805'MD. -NEW 6-1/8"HES MM64D ON BAKER 1.8° X-TREME MUD MOTOR WITH DRI/GR/RES/DEN/NEU/CALIPER -BHA BOUYED WEIGHT=43 KLBS -SHALLOW HOLE TEST DIRECTIONAL TOOLS AT 600'MD,270 GPM, 1100 PSI=GOOD TEST 20:00 - 00:00 4.00 DRILL P PROD1 TRIP IN HOLE WITH 6-1/8"DRILLING ASSEMBLY ON ELEVATORS FROM BHA AT 1805'MD TO 4166'MD. -FILL PIPE EVERY 20 STANDS 10/20/2014 00:00 - 03:00 3.00 DRILL P PROD1 TRIP IN HOLE WITH 6-1/8"DRILLING ASSEMBLY ON ELEVATORS FROM 4166'MD TO 8989'MD. -FILL PIPE EVERY 20 STANDS Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 29 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 03:00 - 05:00 2.00 DRILL P PROD1 SLIP AND CUT 51',1-3/8"DRILL LINE,6 WRAPS -RECALIBRATE AMPHION AND BAKER 05:00 - 05:30 0.50 DRILL P PROD1 WASH IN THE HOLE WITH 6-1/8"DRILLING ASSEMBLY FROM 8989'MD TO TOP OF CEMENT STRINGERS AT 9018'MD(48'ABOVE FLOAT COLLAR AS EXPECTED) -266 GPM,2300-2350 PSI,35 RPM,7-8 KFT-LBS -PU 194K,SO 125K 05:30 - 06:30 1.00 DRILL P PROD1 CLEAN OUT CEMENT ABOVE PLUGS AND DRILL OUT SHOE TRACK FROM 9018'MD TO 9141'MD(10'ABOVE THE 7"CASING SHOE) -TAG FLOAT COLLAR ON DEPTH AT 9066'MD. -200 GPM,2000 PSI,35 RPM,7-8 KFT-LBS TORQUE MUD WEIGHT:10.3 PPG IN/OUT 06:30 - 09:00 2.50 DRILL P PROD1 CIRCULATE HOLE CLEAN 300 GPM,2620 PSI -35 RPM,7K TORQUE -RECIPROCATE STAND WHILE CIRCULATING 09:00 - 10:00 1.00 DRILL P PROD1 DISPLACE 10.3 PPG LSND WITH 8.6 PPG •QUICKDRIL-N PUMP 30 BBL EP MUD LUBE SWEEP AND 30 BBL HIGH VIS SPACER SWEEP AHEAD OF QUICKDRIL-N -300 GPM,1600 PSI -35 RPM,7K TORQUE -RECIPROCATE STAND WHILE CIRCULATING -MONITOR WELL FOR 10 MIN AFTER DISPLACEMENT=STATIC. RECORD NEW SPRS. 10:00 - 10:30 0.50 DRILL P PROD1 DRILL OUT CEMENT,SHOE AND 20'OF NEW FORMATION FROM 9155'MD TO 9175'MD -250 GPM,1500 PSI -35 RPM,7-8K TORQUE -5K WOB PU 200K,SO 136K,ROT 159K 10:30 - 11:30 1.00 DRILL P PROD1 CIRCULATE HOLE CLEAN -300 GPM,1660 PSI -35 RPM,7K TORQUE -RECIPROCATE STAND WHILE CIRCULATING 11:30 - 14:00 2.50 DRILL P PROD1 RIG UP AND PERFORM FIT -MUD WEIGHT:8.6 PPG,8525'TVD,9151'MD -PUMP 1.1 BBL TO 610 PSI,BLEED BACK 1.1 BBL -EMW=9.9 PPG -OBTAIN PERMISSION TO PROCEED FROM ODE,SEE ATTACHED DOCUMENTATION Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 30 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 14:00 - 23:00 9.00 DRILL P PROD1 DRILL 6-1/8"PRODUCTION HOLE FROM 9175' MD TO 9263'MD,8630'TVD,(88'IN 9 DRILLING HRS=10 FPH) -250 GPM, 1520 PSI ON,1220 PSI OFF,60 RPM,10K TORQUE ON,9K TORQUE OFF,0-5 KLBS WOB -PU 199K,SO 139K,ROT 160K -SURVEY EVERY-30 FT FOR DOGLEGS OVER 5° -ACTUAL ROTATE TIME=0.3 HRS -ACTUAL SLIDE TIME=4.7 HRS I-MUD WEIGHT:8.6 PPG IN,8.6 PPG OUT -VERY DIFFICULT SLIDING(TROUBLE HOLDING TOOL FACE,DIFFERENTIAL PRESSURE SPIKES) -OBSERVED 300 BBL/HR DYNAMIC LOSSES AT 9177'MD,PUMPED(3)40 BBL,40 PPB DRILL AHEAD LCM PILLS,LOSSES SUBSIDED TO<10 BBL/HR AT 9205'MD LOST 100%RETURNS AT 9232'MD,PER LCM DECISION TREE IN WELL PLAN ATTEMPTED TO DRILL-30'PAST POSSIBLE FRACTURE TO 9263'MD WITH NO SUCCESS,PUMPED(5)40 BBL,40 PPB DRILL AHEAD PILLS WITH NO SUCCESS,STATIC LOSS RATE OF 350+ BBL/HR,CONSULTED ODE,DECISION MADE TO PULL TO SHOE AND REBUILD SURFACE VOLUME. LOG TOP OF SAG RIVER AT 9151'MD(1' DEEPER THAN DURING CASING PICK) 7"CASING SHOE LOGGED AT 9152'MD(NO DEPTH CORRECTION MADE TO 9151'MD TALLY DEPTH) 23.00 - 00:00 1.00 DRILL N DPRB 9,263.00 PROD1 PULL UP HOLE WITH 6-1/8"DRILLING ASSEMBLY TO 7"SHOE AT 9151'MD. MONITOR WELL WHILE BUILDING SURFACE MUD VOLUME -SPOT 80 BBL,40 LB/BBL LCM DRILL AHEAD PILL OUTSIDE SHOE PRIOR TO PULLING OFF BOTTOM AT 116 GPM WITH NO RETURNS. NO IMPROVEMENT AFTER PUMPING. -INITIAL STATIC LOSS RATE ONCE IN SHOE= 400+BBL/HR -MUD ENGINEERS ORGANIZE TRUCKS TO RETRIEVE MUD FROM MUD PLANT 10/21/2014 00:00 - 10:00 10.00 DRILL N DPRB 9,263.00 PROD1 MONITOR WELL INSIDE 7"CASING SHOE AT 9151'MD WHILE BUILDING SURFACE MUD VOLUME -MAINTAIN CONTINUOUS HOLE FILL WITH TRIP TANKS -STATIC LOSS RATE DECLINED FROM INITIAL 400+BPH TO 160 BPH -LOAD PITS AND SECURE ADEQUATE TRUCKING IN PREPARATION FOR DRILLING AHEAD WITH POTENTIAL 100%LOSSES. Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 31 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 10:00 - 13:30 3.50 DRILL P PROD1 DRILL 6-1/8"PRODUCTION HOLE FROM 9263' MD TO 9370'MD,8721'TVD,(107'IN 3.5 DRILLING HRS=30.6 FPH) -250 GPM; 1520 PSI ON,1220 PSI OFF,60 RPM,10K TORQUE ON,9K TORQUE OFF,0-5 KLBS WOB PU 199K,SO 139K,ROT 160K -SURVEY EVERY-30 FT FOR DOGLEGS OVER 5° ACTUAL ROTATE TIME=0.5 HRS ACTUAL SLIDE TIME=0.9 HRS -JAR HOURS=16.6 HRS -MUD WEIGHT:8.6 PPG IN,8.6 PPG OUT -SPR MP#1-30 SPM=483 PSI,40 SPM=646 PSI -SPR MP#2-30 SPM=485 PSI,40 SPM=650 PSI DYNAMIC LOSSES=160 BBLS/HR PUMP 80 BBL 40 PPB LCM SWEEPS AS 'NEEDED 13:30 - 14:00 0.50 DRILL P PROD1 RIG SERVICE,GREASE BLOCKS,AND REMOVE ICE FROM DERRICK 14:00 - 00:00 10.00 DRILL P PROD1 DRILL 6-1/8"PRODUCTION HOLE FROM 9370' MD TO 9591'MD,8863'TVD,(221'IN 10 DRILLING HRS=22.1 FPH) -210 GPM, 1020 PSI ON,900 PSI OFF,40 RPM,11K TORQUE ON,8K TORQUE OFF,3K LBS WOB -PU 219K,SO 128K,ROT 162K -SURVEY EVERY-30 FT FOR DOGLEGS OVER 5° -ACTUAL ROTATE TIME=0.8 HRS -ACTUAL SLIDE TIME=5.6 HRS -JAR HOURS=22.7 HRS -MUD WEIGHT:8.5 PPG IN,8.5 PPG OUT -SPR MP#1-30 SPM=420 PSI,40 SPM=560 PSI -SPR MP#2-30 SPM=430 PSI,40 SPM=570 PSI DYNAMIC LOSSES=120 BBLS/HR PUMP 80 BBL 40 PPB LCM SWEEPS AS NEEDED 10/22/2014 00:00 - 10:30 10.50 DRILL P PROD1 DRILL 6-1/8"PRODUCTION HOLE FROM 9591' MD TO 9874'MD,8978'TVD,(283'IN 10.5 DRILLING HRS=26.9 FPH WITH CONNECTIONS) -220 GPM, 1170 PSI ON,960 PSI OFF,60 RPM,12K TORQUE ON,11K TORQUE OFF, 7-10K LBS WOB -PU 240K,SO 125K,ROT 165K -SURVEY EVERY-30 FT FOR DOGLEGS OVER 5° -MUD WEIGHT:8.6 PPG IN,8.6 PPG OUT DYNAMIC LOSS RATE:130 BPH PUMP 80 BBL,40 PPB LCM SWEEP AT 9595' MD WITH NO EFFECT TO LOSS RATE PUMP 3OBBL HIGH VIS SWEEP,MINIMAL INCREASE IN CUTTINGS BACK AT SHAKERS Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 32 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30©90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 10:30 - 11:30 1.00 DRILL P PROD1 CIRCULATE BOTTOMS UP DUE TO INCREASING TORQUE AND DRAG -220 GPM,960 PSI,50 RPM,12K TORQUE -PUMP 3OBBL HIGH VIS SWEEP,MINIMAL INCREASE IN CUTTINGS BACK AT SHAKERS -DECREASE FLOWRATE TO 150 GPM BEFORE SWEEP REACHES THE DIRECTIONAL TOOLS AND UNTIL SWEEP EXITS BIT PER BAKER MWD 11:30 - 15:30 4.00 DRILL P PROD1 DRILL 6-1/8"PRODUCTION HOLE FROM 9874' MD TO 9938'MD,8989'TVD,(64'IN 4 DRILLING HRS=16 FPH WITH CONNECTIONS) 220 GPM, 1080 PSI ON,900 PSI OFF,60 RPM,13K TORQUE ON,11K TORQUE OFF, 5-8K LBS WOB -PU 230K,SO 125K,ROT 160K -SURVEY EVERY-30 FT FOR DOGLEGS OVER 5° -MUD WEIGHT:8.6 PPG IN,8.6 PPG OUTPICK UP -ADDING 40 PPB DRILL AHEAD PILLTO ACTIVE SYSTEM AT 15 BBL/HR -SPR AT 9559'MD -MP#1-30 SPM=420 PSI,40 SPM=560 PSI -MP#2-30 SPM=430 PSI,40 SPM=570 PSI -PUMP WEIGHTED SWEEP BEFORE CONNECTION AT 9931'MD,1.5PPG OVER MUD WEIGHT,MINIMAL INCREASE IN CUTTINGS,LOWER FLOWRATE TO 150 GPM BEFORE SWEEP REACHES THE DIRECTIONAL TOOLS AND UNTIL SWEEP EXITS BIT PER BAKER MWD.ROTATE, RECIPROCATE AND PUMP UNTIL SWEEP ENTERS 7"CASING SHOE. 15:30 - 16:00 0.50 DRILL P PROD1 SERVICE RIG -GREASE TOPDRIVE,WASHPIPE,AND BLOCKS -CLEAR FLOOR AND REMOVE ANY ICE BUILDUP IN DERRICK Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 33 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:OOPM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.8ousft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 16:00 - 00:00 8.00 DRILL P PROD1 DRILL 6-1/8"PRODUCTION HOLE FROM 9938' MD TO 10,096'MD,8989'TVD,(252'IN 8 DRILLING HRS=31.5 FPH WITH CONNECTIONS) -220 GPM, 1080 PSI ON,900 PSI OFF,60 RPM,13KTORQUE ON,11KTORQUE OFF, 5-8K LBS WOB -PU 230K,SO 125K,ROT 160K -SURVEY EVERY-30 FT FOR DOGLEGS OVER 5° MUD WEIGHT:8.6 PPG IN,8.6 PPG OUT -ADDING 40 PPB DRILL AHEAD PILLTO ACTIVE SYSTEM AT 15 BBL/HR SPR AT 9559'MD -MP#1-30 SPM=420 PSI,40 SPM=560 PSI -MP#2-30 SPM=430 PSI,40 SPM=570 PSI -PUMP WEIGHTED SWEEP BEFORE CONNECTION AT 10,024'MD,1.5PPG OVER MUD WEIGHT,MINIMAL INCREASE IN CUTTINGS,LOWER FLOWRATE TO 150 GPM BEFORE SWEEP REACHES THE DIRECTIONAL TOOLS AND UNTIL SWEEP EXITS BIT PER BAKER MWD.ROTATE, RECIPROCATE AND PUMP UNTIL SWEEP ENTERS 7"CASING SHOE. *SIMOPS:HARDLINE CREW CAME OUT AND BEGAN RIGGING UP HARDLINE FOR UPCOMING VERSAFLEX LINER HANGER SETTING CONTINGENCY 10/23/2014 00:00 - 00:30 0.50 DRILL P PROD1 PUMPED 80 BBL LOST CIRCULATION MATERIAL PILL -PICKED UP OFF BOTTOM AND SLOWED PUMP TO 100 GPM ONCE THE PILL HIT THE DIRECTIONAL TOOLS @585 PSI -INCREASED PUMP RATE TO 150 GPM ONCE THE PILL WAS IN THE DIRECTIONAL TOOLS @720 PSI Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 34 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date:10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 00:30 - 15:00 14.50 DRILL P PROD1 DRILL 6-1/8"PRODUCTION HOLE FROM 10096' MD TO SECTION TD AT 10,635'MD,8725'TVD, (539'IN 14.5 DRILLING FIRS=37 FPH WITH CONNECTIONS) -240-290 GPM, 1550-1800 PSI ON, 1160- 1500 PSI OFF,60-70 RPM,17-8K TORQUE ON, 6K TORQUE OFF,5-15K LBS WOB -PU 174K,SO 145K,ROT 160K -SURVEY EVERY-30 FT FOR DOGLEGS OVER 5° MUD WEIGHT:8.6 PPG IN,8.6 PPG OUT I-BACKREAM 90'PRIOR TO CONNECTIONS INCREASE ADDITIONS OF 40 PPB DRILL AHEAD PILL TO ACTIVE SYSTEM FROM 15 TO 60 BBL/HR FOR BACKROUND LCM '-INCREASED LUBRICANTS TO 1%,PICK UP WEIGHT DECREASED BY 42K AND SLACK I OFF DECREASED BY 12K,TORQUE 1 DECREASED BY 6K FT/LBS '-DYNAMIC LOSS RATE:150 BBLS/HR SPR AT 10127'MD -MP#1-30 SPM=491 PSI,40 SPM=637 PSI MP#2-30 SPM=512 PSI,40 SPM=653 PSI 15:00 - 19:30 4.50 DRILL P PROD1 CIRCULATE HOLE CLEAN -300 GPM,1740 PSI -70 RPM,6K TORQUE -PUMP 2-3OBBL WEIGHTED HIGH VIS SWEEPS WITH MINIMAL INCREASE IN CUTTINGS BACK AT SHAKERS -DYNAMIC LOSS RATE:150 BBLS/HR 19:30 - 00:00 4.50 DRILL P PROD1 PULL OUT OF THE HOLE TO 9654'MD FOR SHORT TRIP -MADD PASS FROM 10506'MD TO 10170'MD AND FROM 9906'MD TO 9630'MD -250 GPM,360 FT/HR WHILE MADD PASSING -NO ISSUES WHILE PULLING OUT OF THE HOLE -DYNAMIC LOSS RATE:180 BBLS/HR 10/24/2014 00:00 - 01:00 1.00 DRILL P PROD1 PULL OUT OF THE HOLE FROM 9654'MD TO 7"CASING SHOE AT 9151'MD FOR SHORT TRIP -COMPLETE MADD PASS FROM 9654'MD TO 9630'MD -250 GPM,360 FT/HR WHILE MADD PASSING -NO ISSUES WHILE PULLING OUT OF THE HOLE 01:00 - 01:30 0.50 DRILL P PROD1 CIRCULATE 1X BOTTOMS UP -250 GPM,1185 PSI -35 RPM,3K TORQUE DYNAMIC LOSS RATE:INCREASED TO 240 BBLS/HR !-RECIPROCATED 1 STAND SLOWLY 01:30 - 03:00 1.50 DRILL P PROD1 RUN IN HOLE ON ELEVATORS FROM 9151'MD TO 10635'MD -WASHED DOWN LAST 35,85 GPM©250 PSI, PU 178K,SO 144K -STATIC LOSS RATE=36 BBL/HR -NO TIGHT SPOTS OR FILL ENCOUNTERED Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 35 of 35 Operation Summary Report Common Well Name:N-30 AFE No Event Type:DRL-ONSHORE(DON) Start Date: 10/1/2014 End Date:10/24/2014 X3-0157C-C:(8,772,087.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud DateRme:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations --- (hr) i j (usft) 03:00 - 06:00 3.00 DRILL P PROD1 CIRCULATE HOLE CLEAN -250 GPM,1370 PSI -70 RPMS,5K TORQUE -PUMP 34 BBL HIGH VIS SWEEP -PUMP 90 BBL40 PPB LOST CIRCULATION MATERIAL PILL -DYNAMIC LOSS RATE:240 BBLS/HR 06:00 - 08:00 2.00 DRILL P PROD1 POH ON ELEVATORS FROM 10635'MD TO 9086'MD • -MONITOR WELL FOR 10 MINUTES:STATIC LOSSES=12 BPH -PU 180K,SO 144K AT 10496'MD 08:00 - 09:00 1.00 DRILL P PROD1 FUNCTIOMTESTANNIJLAR,UPPER VBR'S AND LOWER VBR'S -MONITOR WELL:STATIC LOSSES=66 BBLS/HR -DROPPED RABBIT 09:00 - 15:00 6.00 DRILL P. PROD1 POH ON ELEVATORS FROM 9086'MD TO 3693' MD -PU 99K,SO 95K AT 3693'MD 15:00 - 19:00 4.00 DRILL P PROD1 LAY DOWN 6-1/8"DRILLING BHA -PJSM WITH BAKER REPS `-MONITOR WELL FOR 5 MINUTES:80 BBLS/HR -1 STATIC LOSSES I-LAY DOWN BHA PER DD -BIT GRADE:3-2-WT-A-X-IN-CT-TD -FUNCTION TESTED BLIND SHEAR RAMS, HCR KILL AND CHOKE -CLEAN AND CLEAR THE RIG FLOOR OF SHORT BHA COMPONENTS Printed 11/3/2014 1:24:57PM North America-ALASKA-BP Page 1 of 6 Operation Summary Report Common Well Name:N-30 AFE No Event Type:COM-ONSHORE(CON) Start Date:10/24/2014 End Date:10/28/2014 X3-0157C-C:(2,437,079.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:OOPM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 10/24/2014 19:00 - 00:00 5.00 CASING P RUNPRD RIG UP AND RUN 4-1/2"12.6#13CR HYDRIL 521 LINER TO 1013'MD -PJSM FOR RIGGING UP DOYON CASING -RIG UP DOYON CASING POWER TONGS AND 4-1/2"AIR SLIPS -MAKE UP AND RUN IN WITH SHOE TRACK -CHECK FLOATS -USE JET LUBE SEAL GUARD PIPE DOPE -TORQUE CONNECTIONS TO 4700 FT-LBS -RUN 35 FLOATING CENTRALIZERS ON JOINTS 1-10 -FILL CASING EVERY 10 JOINTS -PU 45K,SO 45K 10/25/2014 00:00 - 09:30 9.50 CASING P RUNPRD RUN 4-1/2",12.6#,13CR,PRODUCTION LINER 'FROM 1013'MD TO 7"CASING SHOE AT 9151' MD CHECK FLOATS=HOLDING -USE JET LUBE SEAL GUARD PIPE DOPE -TORQUE CONNECTIONS TO 4700 FT-LBS -RUN 76 FLOATING CENTRALIZERS,2 ON EACH JOINT EXCEPT WITHIN 50'OF 7" CASING SHOE -FILL LINER EVERY JOINT PU 54K,SO 54K MAKE UP LINER HANGER/PACKER ASSEMBLY -CIRCULATE 1.5 LINER VOLUMES AT 4 BPM, 107 PSI -CONTINUE IN HOLE ON 4"DRILL PIPE -RIH AT 80 FT/MIN TO CASING SHOE -CIRCULATE 1.5 DP AND LINER VOLUMES AT 5 BPM,410 PSI -PU 161K,SO 142K,ROT 150K -TORQUES:5 RPM=2.5K,10 RPM=2.5K,15 RPM=2.7K,20 RPM=2.7K,25 RPM=2.8K 09:30 - 10:00 0.50 CASING P RUNPRD SERVICE TOP DRIVE 10:00 - 11:00 1.00 CASING P RUNPRD PERFORM DERRICK INSPECTION -CLEAN RIG FLOOR -BROKE DOWN XO'S FOR SAFETY VALVE -OBTAIN STATIC LOSS RATE=88 BPH 11:00 - 12:00 1.00 CASING N RREP 10,635.00 RUNPRD •TROUBLESHOOT AND REPAIR ST-80 SPINNER JAWS 12:00 - 15:30 3.50 CASING P RUNPRD RUN INTO OPEN HOLE WITH LINER FROM 9151'MD TO BOTTOM AT 10635 MD,TAG BOTTOM AND PICK UP 2'OFF BOTTOM -FILL PIPE AND BREAK CIRCULATION EVERY 10 STANDS AT4 BPM FOR 3 MINUTES -OBTAIN PU/SO WEIGHTS EVERY-10 STANDS -FINAL PU 172K,SO 145K,ROT 152K -TORQUES:10 RPM=3.5K,15 RPM=3.8K,20 •RPM=4K,25 RPM=4.4K -MUD WEIGHT:8.6 PPG IN,8.6 PPG OUT -MUD LOSSES WHILE RIH:-80 BBL/HR -TOP OF LINER AT 8988'MD,LINER SHOE AT 10633'MD NO TIGHT SPOTS IN OPEN HOLE Printed 11/3/2014 1:25:20PM North America-ALASKA-BP Page 2 of 6 Operation Summary Report Common Well Name:N-30 AFE No Event Type:COM-ONSHORE(CON) Start Date:10/24/2014 End Date:10/28/2014 X3-0157C-C:(2,437,079.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:OOPM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To His Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 15:30 - 17:00 1.50 CASING P RUNPRD STAGE UP TO CEMENTING RATE IN 1/2 BPM INCREMENTS TO FINAL CIRCULATING RATE OF 5 BPM. -@ 3.5 BPM,420 PSI -@ 4 BPM,485 PSI -@ 4.5 BPM,545 PSI -@ 5 BPM,610 PSI -CIRCULATE 3 OPEN HOLE VOLUMES 1-DYNAMIC LOSS RATE:—150 BBUHR Printed 11/3/2014 1:25:20PM North America-ALASKA-BP Page 3 of 6 Operation Summary Report Common Well Name:N-30 AFE No Event Type:COM-ONSHORE(CON) Start Date:10/24/2014 End Date:10/28/2014 X3-0157C-C:(2,437,079.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:OOPM Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 17:00 20:30 3.50 CASING P RUNPRD CEMENT 4.5"PRODUCTION LINER AS FOLLOWS: -FILL LINES WITH WATER AND PRESSURE TEST TO 250/5000 PSI FOR 5 MINUTES EACH PUMP 30 BBLS OF 10 PPG MUDPUSH II ,SPACER@5BPM -PUMP 46 BBLS OF 15.8 PPG CLASS G TAIL @ 5 BPM,EXCESS VOLUME 30% (YIELD 1.17 CU.FT/SK) -DROP DRILL PIPE WIPER DART PERFORM DISPLACEMENT WITH CEMENT TRUCK -90 BBLS DISPLACED AT 6 BPM:ICP 100 PSI, FCP 775 PSI,CAUGHT CEMENT AT 80 BBL INTO DISPLACEMENT -15 BBLS DISPLACED AT 5 BPM:ICP 1059 PSI, FCP 1191 PSI,OBSERVED LATCH AT 90 BBL 'INTO DISPLACEMENT 9.2 BBLS DISPLACED AT 3 BPM:ICP 745 PSI, FCP 750 PSI,OBSERVED BUMP AT 114.2 BBL 'INTO DISPLACEMENT -DISPLACEMENT FLUID:38 BBLS OF 8.5 PPG PERF PILL FOLLOWED BY 76.2 BBL OF 8.6 PPG,QUICKDRIL-N '-REDUCE RATE TO 3 BPM PRIOR TO PLUG BUMP:FINAL CIRCULATING PRESSURE 750 PSI -TOTAL DISPLACEMENT VOLUME 114.2 BBLS -BEGIN ROTATING PIPE @ 20 RPM AT BEGINNING OF DISPLACEMENT,STEADY TORQUE AT 4K -ROTATION STOPPED 8 BBLS AWAY FROM BUMP -TOTAL LOSSES:111 BBLS,3 BBL BACK DURING JOB -INCREASE PRESSURE TO 2400 PSI AND HOLD FOR 5 MIN -BLEED OFF PRESSURE AND CHECK FLOATS =HOLDING,BLED BACK 1.4 BBL -PRESSURE UP TO 4950 PSI AT 1/2 BBUMIN TO SET HANGER,NO SUCCESS -BLEED OFF PRESSURE PICK UP TO LAST PICK UP WT AND PRESSURE UP TO 5000 PSI AT 3/4 BBL/MIN TO SET HANGER,HOLD FOR -1 MIN OBSERVED PRESSURE DROP,COME ONLINE WITH PUMP AT 1/2 BBL/MIN FOR 10 BBL -PICK UP TO 40K OVER LAST STRING WEIGHT TO CONFIRM HANGER IS SET -PUT 3000 FT/LBS LEFT HAND TORQUE IN STRING AND WORK TO BOTTOM TO SHEAR OUT LEFT HAND SHEAR PINS -SET DOWN 100K TO SHEAR OUT SHEAR PINS AND RELEASE FROM HANGER -PRESSURE UP TO 700 PSI AND PULL OUT OF HANGER -RAMP PUMPS UP TO 10 BBL/MIN AND CIRCULATE 2 BOTTOMS UP -0 BBLS OF EXCESS CEMENT OR MUD PUSH TO SURFACE ON BOTTOMS UP Printed 11/3/2014 1:25:20PM • North America-ALASKA-BP Page 4 of 6 Operation Summary Report Common Well Name:N-30 AFE No Event Type:COM-ONSHORE(CON) Start Date:10/24/2014 End Date:10/28/2014 X3-0157C-C:(2,437,079.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor PARKER DRILLING CO. UW:500292352300 Active datum:N-30©90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 20:30 - 22:30 2.00 CASING P RUNPRD DISPLACE WELL TO SEAWATER -500 GPM,2100 PSI -RECIPROCATE STAND DURING DISPLACEMENT MONITOR WELL FOR 10 MIN AFTER DISPLACEMENT=STATIC -BLOW DOWN TOPDRIVE 22:30 - 00:00 1.50 CASING P RUNPRD 'PULL OUT OF THE HOLE FROM 8988'MD TO 7888'MD -PU 153K,SO 135K 10/26/2014 00:00 - 05:00 5.00 CASING P RUNPRD PULL OUT OF THE HOLE FROM 7888'MD TO SURFACE -LAY DOWN LAST 15 STANDS OF 4"DP -LAY DOWN LINER HANGER RUNNNING TOOL PER HALLIBURTON 05:00 - 10:30 5.50 PERF P RUNPRD RIG UP AND RUN 2-7/8"6 SPF/60 DEG PHASE PERFORATING GUNS AND 2-7/8"PAC PIPE TO 1653'MD -PJSM FOR MAKING UP AND RUNNING GUNS -PU 48K,SO 48K -CONTINUOUS HOLE FILL -INSPECT DERRICK FOR ICE 10:30 - 18:00 7.50 PERF P RUNPRD CROSSOVER TO 4"DRILL PIPE AND RUN PERF GUNS TO 10546'MD -RIH ON ELEVATORS PICKING UP 4"DRILL PIPE STANDS -TAG LANDING COLLAR AND PICK UP TO 10,321'MD 18:00 - 19:00 1.00 CASING P RUNPRD PRESSURE TEST 4-1/2"LINER AND LINER LAP 'TO 250 PSI LOW 5 MINUTES/3500 PSI HIGH 30 MINUTES-PASSED -HELD PJSM AND REVIEWED PRESSURE CROSSCHECK 19:00 - 20:30 1.50 PERF P RUNPRD FIRED GUNS TO PERFORATE WELL FROM 10,310'-10320'MD -HELD PJSM ON FIRING GUNS/WELL CONTROL -FOLLOWED PRESSURE SEQUENCE PER SCHLUMBERGER REP TO FIRE GUNS -GOOD INDICATIONS THAT GUNS FIRED -NO LOSSES OBSERVED AFTER GUNS FIRED 20:30 - 21:30 1.00 PERF P RUNPRD PULL OUT OF THE HOLE ON ELEVATORS FROM 10321'MD TO 8934'MD -PU 168K,SO 140K AT 8934'MD 21:30 - 22:30 1.00 PERF P RUNPRD CIRCULATE 1 BOTTOMS UP -233 GPM,1200 PSI -NO GAS OBSERVED AT BOTTOMS UP -NO LOSSES -PUMPED DRY JOB -BLOW DOWN TOP DRIVE 22:30 - 00:00 1.50 PERF P RUNPRD POH ON ELEVATORS FROM 8934'MD TO 7956' MD LAYING DOWN SINGLES -MONITOR WELL FOR 10 MINUTES:STATIC -PU 152K,SO 133KAT 8934'MD 10/27/2014 00:00 - 05:00 5.00 PERF P RUNPRD POH ON ELEVATORS FROM 7956'MD TO 1653' MD LAYING DOWN 4"SINGLES -PU 49K,SO 49K AT 1653'MD -HOLE TAKING PROPER FILL Printed 11/3/2014 1:25:20PM North America-ALASKA-BP Page 5 of 6 Operation Summary Report Common Well Name:N-30 AFE No Event Type:COM-ONSHORE(CON) Start Date:10/24/2014 End Date:10/28/2014 X3-0157C-C:(2,437,079.00) Project:Prudhoe Bay Site PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM Rig Release:10/28/2014 Rig Contractor PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 05:00 - 08:00 3.00 PERF P RUNPRD RIG UP DOYON CASING EQUIPMENT AND POH ON ELEVATORS FROM 1653'MD TO 45' MD LAYING DOWN 2-7/8"PAC PIPE -MONITOR WELL FOR 10 MINUTES:STATIC j-PJSM WITH DOYON CASING ON LAYING DOWN PAC PIPE -PU 42K,SO 42K AT 500' 08:00 - 09:30 1.50 PERF P RUNPRD LAY DOWN PERFORATING GUNS -PJSM ON LAYING DOWN AND HANDLING PERF GUNS -LAY DOWN GUN ASSEMBLY -ALL SHOTS FIRED -CLEAR AND CLEAN RIG FLOOR OF PERF GUN AND PAC PIPE RUNNING EQUIPMENT 09:30 - 10:30 1.00 RUNCOM P RUNCMP PULL WEAR RING AND RIG UP DOYON CASING CREW -PJSM ON RUNNING COMPLETION 10:30 - 22:30 12.00 RUNCOM P ' RUNCMP RUN 4.5"12.6#13CR-85 VAMTOP TUBING TO 9008'MD -USE JET LUBE SEAL GUARD PIPE DOPE -TORQUE CONNECTIONS TO 4440 FT-LBS -RUN IN HOLE AT 100 FT/MIN -PU 132K,SO 113K -MUD WEIGHT:8.6 PPG IN,8.6 PPG OUT -TAG UP AT 9008'MD ON NO GO 22:30 - 00:00 1.50 RUNCOM P RUNCMP PERFORM SPACE OUT AND LAND TUBING HANGER -LAY DOWN TWO JOINTS OF TUBING TO PIPE SHED -MAKE UP LANDING JOINT TO TUBING HANGER AND LAND HANGER -WLEG AT 9002'MD 10/28/2014 00:00 - 00:30 0.50 RUNCOM P RUNCMP FMC REPRESENTATIVE RUN IN LOCKDOWN SCREWS -CLEAN AND CLEAR RIG FLOOR OF DOYON CASING TOOLS -PREPARE FOR REVERSE CIRCULATING COMPLETION FLUID 00:30 - 03:30 3.00 RUNCOM P RUNCMP REVERSE CIRCULATE COMPLETION FLUID -PJSM -PUMP 139 BBLS CLEAN 8.5 PPG 120 DEG SEAWATER AT 3.5 BBLS/MIN 550 PSI -PUMP 90 BBLS OF 8.5 PPG 120 DEG CORROSION INHIBITED SEAWATER AT 3.5 BBL/MIN 550 PSI -PUMP 75 BBLS CLEAN 8.5 PPG 120 DEG SEAWATER AT 3.5 BBLS/MIN 550 PSI -LINE UP AND PUMP 5 BBLS OF SEAWATER DOWN TUBING TAKING RETURNS FROM THE ANNULUS TO CLEAN THE RHC-M PROFILE AT 3.5 BBLS/MIN 550 PSI Printed 11/3/2014 1:25:20PM • North America-ALASKA-BP Page 6 of 6 Operation Summary Report Common Well Name:N-30 AFE No Event Type:COM-ONSHORE(CON) I Start Date:10/24/2014 End Date:10/28/2014 X3-0157C-C:(2,437,079.00) Project:Prudhoe Bay Site:PB N Pad Rig Name/No.:PARKER 272 Spud Date/Time:10/3/2014 4:00:00PM 'Rig Release:10/28/2014 Rig Contractor:PARKER DRILLING CO. UWI:500292352300 Active datum:N-30 @90.80usft(above Mean Sea Level) Date From-To Hrs Task r Code NPT NPT Depth Phase Description of Operations (hr) (usft) 03:30 - 06:00 2.50 RUNCOM P RUNCMP SET PACKER AND PERFORM MIT-T AND MIT-IA -DROP BALL AND ROD AND SET PACKER -TEST TUBING TO 250 PSI LOW FOR 5 MINUTES AND 3500 PSI HIGH FOR 30 MINUTES-PASSED 1-TEST IA TO 250 PSI LOW FOR 5 MINUTES AND 3500 PSI HIGH FOR 30 MINUTES-PASSED RECEIVED WTL APPROVAL TO PROCEED -SHEARED DCK VALVE AT 1800 PSI DIFFERENTIAL AND PUMPED 5 BBLS BOTH WAYS 4 BPM AT 1890 PSI 06:00 - 08:30 3.50 j RUNCOM P RUNCMP RIG UP TO FREEZE PROTECT -PUMP 74 BBLS OF DIESEL THROUGH IA @ 2.5 BPM WITH 725 PSI ICP,1025 FCP -ALLOW TO U-TUBE FOR 2 HOURS 09:30 - 12:00 2.50 WHSUR I P WHDTRE SET TWC WITH T-BAR AND PRESSURE TEST TO,250 PSI LOW FOR 5 MINUTES AND 3500 PSI HIGH FOR 5 MINUTES FROM ABOVE AND BELOW-PASSED 12:00 - 15:00 3.00 WHSUR P WHDTRE -BLOW DOWN LINES -RIG DOWN FREEZE PROTECT LINES PUMP OUT STACK,LAY DOWN LANDING JOINT • • -CLEAN OUT FLOW BOX -CLEAN PITS -INSPECT ST-80 HEADS AND PINS 15:00 - 18:00 3.00 BOPSUR P • WHDTRE NIPPLE DOWN BOPE -RACK BOPE ON STAND -LAY DOWN HIGH PRESSURE RISER TO SHED -CONTINUE CLEANING PITS 18:00 - 21:30 3.50 WHSUR P WHDTRE NIPPLE UP TREE ADAPTER AND TREE -LAY DOWN 11 STANDS OF DP TO THE SHED OFF LINE -RIG DOWN MUD MODULE FOR RIG MOVE 21:30 - 00:00 2.50 WHSUR P WHDTRE j TEST THE TREE AND ADAPTER VOID TO 250 'PSI LOW AND 5000 PSI HIGH FOR 5 MINUTES-PASSED -SUCK DIESEL OUT OF THE TREE,ADD HEET -SECURE CELLAR I-RIG RELEASED 23:59 10/28/2014 Printed 11/3/2014 1:25:20PM • $ bp North America - ALASKA - BP Prudhoe Bay PB N Pad N-30 500292352300 N-30 Design: N-30 Survey Report - Geographic 29 October, 2014 BAKER HUGHES Fr 0 bp Survey Report-Geographic BAKER HUGHES Company: North America-ALASKA-BP Local Co-ordinate Reference: Well N-30 Project: Prudhoe Bay TVD Reference: Mean Sea Level • Site: PB N Pad MD Reference: N-30 @ 90.80usft(Parker 272) • Well: N-30 North Reference: True Wellbore: N-30 Survey Calculation Method: Minimum Curvature Design: N-30 Database: EDM R5K-Alaska PROD-ANCP1 Project Prudhoe Bay,GPB,PRUDHOE BAY Map System: US State Plane 1927(Exact solution) . System Datum: Mean Sea Level Geo Datum: NAD 1927(NADCON CONUS) . Using Well Reference Point Map Zone: Alaska Zone 04 Using geodetic scale factor I Site PB N Pad,TR-11-13 Site Position: Northing: 5,965,420.89 usft Latitude: 70°18'48.671 N From: Map Easting: 633,404.63 usft Longitude: 148°55'7.73 W Position Uncertainty: 0.00 usft Slot Radius: 0.000 in Grid Convergence: 1.02 ° Well N-30 API No. 500292352300 Well Position +N/-S 0.00 usft Northing: 5,968,087.24 usft ' Latitude: 70°19'14.716 N +El-W 0.00 usft Easting: 634,412.16 usft • Longitude: 148°54'36.94 W Position Uncertainty 0.00 usft Wellhead Elevation: usft Ground Level: • 43.70 usft Wellbore N-30 API no. 500292352300 Magnetics Model Name Sample Date Declination Dip Angle Field Strength 1°) (°) (nT) BGGM2014 10/13/2014 19.53 81.00 57,597 Design N-30 Audit Notes: Version: Phase: ACTUAL Tie On Depth: 47.10 Vertical Section: Depth From(TVD) +N/-S +El-W Direction (usft) (usft) (usft) (°) -43.70 0.00 0.00 147.67 Survey Program Date: 10/27/2014 From To (usft) (usft) Survey(Wellbore) Tool Name Description 128.00 892.00 Gyro SS(N-30) GYD-CT-CMS Gyrodata cont.casing m/s 968.45 10,576.66 OTK+SAG+IFR+MS(N-30) MWD+IFR+MS-WOCA MWD+IFR+Multi Station W/O Crustal 10/29/2014 11:07:31AM Page 2 COMPASS 5000.1 Build 61 0 bp Survey Report-Geographic BAKER HUGHES Company: North America-ALASKA-BP Local Co-ordinate Reference: Well N-30 Project: Prudhoe Bay ND Reference: Mean Sea Level Site: PB N Pad MD Reference: N-30 @ 90.80usft(Parker 272) Well: N-30 North Reference: True Wellbore: N-30 Survey Calculation Method: Minimum Curvature Design: N-30 Database: EDM R5K-Alaska PROD-ANCP1 Survey Measured ND Below Map Map Depth Inclination Azimuth System +N/-S +EI-W Northing Easting (usft) (°) (°) (usft) (usft) (usft) (usft) (usft) Latitude Longitude 47.10 0.00 0.00 -43.70 0.00 0.00 5,968,087.24 634,412.16 70°19'14.716 N 148°54'36.94 W 128.00 0.80 149.18 37.20 -0.49 0.29 5,968,086.76 634,412.46 70°19'14.711 N 148°54'36.94 W 182.00 0.30 185.45 91.19 -0.95 0.47 5,968,086.30 634,412.65 70°19'14.706 N 148°54'36.93 W 226.00 0.18 62.16 135.19 -1.03 0.52 5,968,086.22 634,412.70 70°19'14.705 N 148°54'36.93 W 276.00 0.31 80.66 185.19 -0.97 0.72 5,968,086.28 634,412.90 70°19'14.706 N 148°54'36.92 W 321.00 0.44 57.81 230.19 -0.86 0.99 5,968,086.40 634,413.16 70°19'14.707 N 148°54'36.91 W 371.00 0.58 59.83 280.19 -0.63 1.37 5,968,086.63 634,413.54 70°19'14.709 N 148°54'36.90 W 403.00 0.86 71.03 312.19 -0.47 1.74 5,968,086.80 634,413.90 70°19'14.711 N 148°54'36.89 W 466.00 1.16 75.76 375.18 -0.16 2.80 5,968,087.13 634,414.96 70°19'14.714 N 148°54'36.86 W ' 516.00 1.88 73.70 425.16 0.19 4.08 5,968,087.51 634,416.24 70°19'14.717 N 148°54'36.82 W 561.00 2.37 81.45 470.13 0.54 5.71 5,968,087.88 634,417.86 70°19'14.721 N 148°54'36.78 W 611.00 2.77 80.27 520.08 0.90 7.92 5,968,088.28 634,420.06 70°19'14.724 N 148°54'36.71 W 653.00 2.96 86.68 562.03 1.13 10.00 5,968,088.55 634,422.14 70°19'14.727 N 148°54'36.65 W 703.00 3.54 87.21 611.95 1.28 12.84 5,968,088.75 634,424.97 70°19'14.728 N 148°54'36.57 W 747.00 3.98 92.63 655.85 1.28 15.72 5,968,088.80 634,427.85 70°19'14.728 N 148°54'36.48 W 797.00 4.76 94.26 705.71 1.04 19.52 5,968,088.63 634,431.66 70°19'14.726 N 148°54'36.37 W 842.00 5.31 98.77 750.53 0.59 23.44 5,968,088.25 634,435.58 70°19'14.721 N 148°54'36.26 W 892.00 5.98 94.71 800.29 0.02 28.32 5,968,087.77 634,440.47 70°19'14.716 N 148°54'36.12 W 968.45 9.36 99.35 876.05 -1.32 38.43 5,968,086.61 634,450.60 70°19'14.703 N 148°54'35.82 W 1,061.85 11.32 99.09 967.92 -4.00 54.98 5,968,084.23 634,467.19 70°19'14.676 N 148°54'35.34 W 1,156.83 12.43 97.02 1,060.87 -6.72 74.33 5,968,081.85 634,486.59 70°19'14.649 N 148°54'34.77 W 1,250.99 12.56 96.24 1,152.80 -9.07 94.56 5,968,079.86 634,506.86 70°19'14.626 N 148°54'34.18 W 1,344.97 14.08 96.95 1,244.25 -11.57 116.07 5,968,077.75 634,528.41 70°19'14.602 N 148°54'33.56 W 1,439.68 17.04 95.62 1,335.48 -14.32 141.32 5,968,075.45 634,553.70 70°19'14.575 N 148°54'32.82 W 1,534.26 18.64 94.39 1,425.51 -16.84 170.18 5,968,073.46 634,582.60 70°19'14.550 N 148°54'31.98 W 1,629.09 19.22 94.72 1,515.21 -19.28 200.85 5,968,071.56 634,613.31 70°19'14.526 N 148°54'31.08 W 1,725.83 20.47 96.29 1,606.20 -22.44 233.53 5,968,068.98 634,646.04 70°19'14.495 N 148°54'30.13 W 1,819.15 24.72 94.82 1,692.34 -25.87 269.21 5,968,066.19 634,681.77 70°19'14.461 N 148°54'29.09 W 1,851.40 27.25 94.44 1,721.33 -27.01 283.30 5,968,065.31 634,695.87 70°19'14.450 N 148°54'28.68 W 1,883.02 29.62 94.21 1,749.13 -28.14 298.31 5,968,064.44 634,710.90 70°19'14.439 N 148°54'28.24 W 1,912.98 30.34 94.22 1,775.08 -29.25 313.24 5,968,063.61 634,725.85 70°19'14.428 N 148°54'27.80 W 2,007.56 29.26 94.49 1,857.16 -32.81 360.11 5,968,060.88 634,772.77 70°19'14.393 N 148°54'26.43 W 2,102.04 29.21 94.78 1,939.60 -36.54 406.10 5,968,057.98 634,818.82 70°19'14.356 N 148°54'25.09 W 2,195.78 28.17 94.96 2,021.83 -40.36 450.94 5,968,054.96 634,863.71 70°19'14.319 N 148°54'23.78 W 2,291.09 27.20 95.50 2,106.23 -44.39 495.04 5,968,051.72 634,907.87 70°19'14.279 N 148°54'22.50 W 2,385.20 29.47 95.29 2,189.06 -48.59 539.50 5,968,048.32 634,952.40 70°19'14.238 N 148°54'21.20 W 2,478.75 29.19 95.48 2,270.62 -52.89 585.12 5,968,044.84 634,998.09 70°19'14.195 N 148°54'19.87 W 2,574.04 27.87 95.84 2,354.33 -57.38 630.41 5,968,041.17 635,043.45 70°19'14.151 N 148°54'18.55 W 2,667.20 29.16 90.76 2,436.20 -59.89 674.78 5,968,039.44 635,087.85 70°19'14.126 N 148°54'17.25 W 2,762.55 28.76 89.14 2,519.63 -59.86 720.94 5,968,040.31 635,134.00 70°19'14.127 N 148°54'15.90 W 2,857.55 28.33 88.92 2,603.08 -59.09 766.33 5,968,041.89 635,179.37 70°19'14.134 N 148°54'14.58 W 2,951.15 28.60 94.16 2,685.38 -60.30 810.89 5,968,041.48 635,223.93 70°19'14.122 N 148°54'13.28 W 3,045.24 28.65 95.04 2,767.97 -63.91 855.82 5,968,038.67 635,268.92 70°19'14.087 N 148°54'11.97 W 3,140.05 28.85 95.34 2,851.09 -68.04 901.23 5,968,035.36 635,314.39 70°19'14.046 N 148°54'10.64 W 3,233.91 28.77 95.47 2,933.33 -72.30 946.26 5,968,031.91 635,359.49 70°19'14.004 N 148°54'9.33 W 3,266.52 28.84 95.78 2,961.91 -73.84 961.90 5,968,030.65 635,375.15 70°19'13.989 N 148°54'8.87 W 3,329.68 28.95 96.41 3,017.21 -77.08 992.25 5,968,027.95 635,405.55 70°19'13.957 N 148°54'7.99 W 3,424.23 26.28 94.46 3,100.98 -81.26 1,035.86 5,968,024.55 635,449.23 70°19'13.916 N 148°54'6.71 W 3,519.34 25.42 93.11 3,186.57 -84.01 1,077.24 5,968,022.54 635,490.64 70°19'13.889 N 148°54'5.51 W 3,614.34 25.50 92.48 3,272.35 -86.00 1,118.03 5,968,021.28 635,531.46 70°19'13.869 N 148°54'4.32 W 3,708.97 25.53 92.69 3,357.75 -87.84 1,158.75 5,968,020.18 635,572.20 70°19'13.851 N 148°54'3.13 W 3,803.98 25.41 93.50 3,443.52 -90.04 1,199.55 5,968,018.70 635,613.03 70°19'13.829 N 148°54'1.94 W , 3,899.19 25.41 94.86 3,529.52 -93.02 1,240.29 5,968,016.45 635,653.82 70°19'13.800 N 148°54'0.75 W 3,993.82 25.35 96.06 3,615.02 -96.88 1,280.66 5,968,013.32 635,694.25 70°19'13.762 N 148°53'59.57 W 4,087.37 25.50 96.78 3,699.51 -101.37 1,320.57 5,968,009.54 635,734.23 70°19'13.717 N 148°53'58.41 W 10/29/2014 11:07:31AM Page 3 COMPASS 5000.1 Build 61 0 bp Survey Report-Geographic BAKER HUGHES Company: North America-ALASKA-BP Local Co-ordinate Reference: Well N-30 Project: Prudhoe Bay TVD Reference: Mean Sea Level Site: PB N Pad MD Reference: N-30 @ 90.80usft(Parker 272) Well: N-30 North Reference: True Wellbore: N-30 Survey Calculation Method: Minimum Curvature Design: N-30 Database: EDM R5K-Alaska PROD-ANCP1 Survey Measured ND Below Map Map Depth Inclination Azimuth System +N/-S +E/-W Northing Easting (usft) (°) (°) (usft) (usft) (usft) (usft) (usft) Latitude Longitude 4,182.67 25.44 98.65 3,785.55 -106.87 1,361.18 5,968,004.77 635,774.93 70°19'13.663 N 148°53'57.22 W 4,277.64 25.47 96.85 3,871.30 -112.37 1,401.62 5,967,999.99 635,815.46 70°19'13.609 N 148°53'56.04 W 4,372.10 25.45 94.45 3,956.59 -116.37 1,442.02 5,967,996.72 635,855.92 70°19'13.570 N 148°53'54.86 W 4,466.36 25.48 92.76 4,041.70 -118.92 1,482.47 5,967,994.90 635,896.40 70°19'13.545 N 148°53'53.68 W 4,559.20 25.37 91.65 4,125.54 -120.45 1,522.30 5,967,994.08 635,936.25 70°19'13.529 N 148°53'52.52 W 4,656.20 26.85 92.33 4,212.64 -121.94 1,564.96 5,967,993.35 635,978.93 70°19'13.515 N 148°53'51.27 W 4,750.19 27.09 93.35 4,296.41 -124.05 1,607.53 5,967,992.00 636,021.53 70°19'13.494 N 148°53'50.03 W 4,843.55 27.07 95.04 4,379.54 -127.16 1,649.91 5,967,989.65 636,063.95 70°19'13.463 N 148°53'48.80 W 4,938.33 27.18 95.47 4,463.89 -131.12 1,692.94 5,967,986.47 636,107.05 70°19'13.424 N 148°53'47.54 W 5,033.06 27.13 95.98 4,548.18 -135.43 1,735.96 5,967,982.92 636,150.13 70°19'13.382 N 148°53'46.28 W 5,127.63 27.15 96.63 4,632.34 -140.17 1,778.84 5,967,978.96 636,193.08 70°19'13.335 N 148°53'45.03 W 5,223.30 27.10 96.10 4,717.49 -145.01 1,822.19 5,967,974.90 636,236.51 70°19'13.287 N 148°53'43.77 W 5,316.68 27.12 97.16 4,800.61 -149.92 1,864.46 5,967,970.74 636,278.86 70°19'13.239 N 148°53'42.54 W 5,410.99 27.13 95.92 4,884.55 -154.82 1,907.17 5,967,966.61 636,321.65 70°19'13.191 N 148°53'41.29 W 5,505.86 27.16 96.60 4,968.97 -159.54 1,950.20 5,967,962.66 636,364.75 70°19'13.144 N 148°53'40.03 W 5,600.63 27.15 95.29 5,053.29 -164.02 1,993.22 5,967,958.96 636,407.84 70°19'13.100 N 148°53'38.78 W 5,695.50 27.17 95.27 5,137.70 -168.00 2,036.34 5,967,955.74 636,451.02 70°19'13.061 N 148°53'37.52 W 5,790.41 27.14 94.53 5,222.15 -171.70 2,079.50 5,967,952.82 636,494.23 70°19'13.024 N 148°53'36.26 W 5,884.76 26.77 94.12 5,306.25 -174.93 2,122.14 5,967,950.35 636,536.93 70°19'12.992 N 148°53'35.02 W 5,978.64 24.36 96.32 5,390.93 -178.58 2,162.48 5,967,947.43 636,577.32 70°19'12.956 N 148°53'33.84 W 6,073.86 20.88 100.04 5,478.82 -183.70 2,198.72 5,967,942.96 636,613.64 70°19'12.906 N 148°53'32.78 W 6,168.61 18.19 105.13 5,568.12 -190.51 2,229.63 5,967,936.71 636,644.67 70°19'12.839 N 148°53'31.88 W 6,262.47 15.51 107.90 5,657.94 -198.19 2,255.72 5,967,929.49 636,670.89 70°19'12.763 N 148°53'31.12 W 6,357.18 12.87 110.21 5,749.75 -205.73 2,277.67 5,967,922.35 636,692.97 70°19'12.689 N 148°53'30.48 W 6,452.93 10.42 112.46 5,843.52 -212.72 2,295.69 5,967,915.68 636,711.11 70°19'12.620 N 148°53'29.95 W 6,547.72 8.51 113.23 5,937.02 -218.76 2,310.05 5,967,909.90 636,725.58 70°19'12.561 N 148°53'29.53 W 6,641.96 6.58 120.40 6,030.44 -224.24 2,321.12 5,967,904.61 636,736.74 70°19'12.507 N 148°53'29.21 W 6,736.21 5.09 146.89 6,124.22 -230.48 2,328.06 5,967,898.50 636,743.79 70°19'12.445 N 148°53'29.01 W 6,831.45 5.14 184.53 6,219.10 -238.27 2,330.04 5,967,890.75 636,745.90 70°19'12.369 N 148°53'28.95 W 6,925.78 5.92 217.57 6,313.02 -246.34 2,326.73 5,967,882.62 636,742.75 70°19'12.289 N 148°53'29.05 W 7,020.50 7.01 239.84 6,407.15 -253.12 2,318.76 5,967,875.70 636,734.89 70°19'12.223 N 148°53'29.28 W 7,114.84 10.53 255.75 6,500.38 -258.14 2,305.42 5,967,870.45 636,721.65 70°19'12.173 N 148°53'29.67 W 7,209.04 13.45 256.10 6,592.52 -262.89 2,286.44 5,967,865.36 636,702.76 70°19'12.127 N 148°53'30.22 W 7,306.08 15.17 254.92 6,686.54 -268.90 2,263.22 5,967,858.93 636,679.65 70°19'12.068 N 148°53'30.90 W 7,398.32 16.40 254.07 6,775.30 -275.62 2,239.04 5,967,851.78 636,655.60 70°19'12.002 N 148°53'31.61 W 7,493.31 17.57 252.43 6,866.15 -283.63 2,212.48 5,967,843.30 636,629.19 70°19'11.923 N 148°53'32.38 W 7,587.91 18.80 251.81 6,956.02 -292.70 2,184.39 5,967,833.73 636,601.26 70°19'11.834 N 148°53'33.20 W 7,681.83 19.04 248.64 7,044.87 -303.00 2,155.74 5,967,822.91 636,572.81 70°19'11.733 N 148°53'34.04 W 7,776.51 19.10 245.85 7,134.36 -314.96 2,127.22 5,967,810.44 636,544.51 70°19'11.615 N 148°53'34.87 W 7,872.09 19.10 243.79 7,224.68 -328.27 2,098.92 5,967,796.64 636,516.46 70°19'11.484 N 148°53'35.69 W 7,966.80 19.08 244.27 7,314.18 -341.83 2,071.08 5,967,782.58 636,488.86 70°19'11.351 N 148°53'36.51 W 8,061.13 19.10 244.06 7,403.32 -355.28 2,043.31 5,967,768.64 636,461.34 70°19'11.219 N 148°53'37.32 W 8,155.75 19.03 244.69 7,492.75 -368.64 2,015.44 5,967,754.78 636,433.72 70°19'11.087 N 148°53'38.13 W 8,250.41 19.01 245.05 7,582.24 -381.74 1,987.51 5,967,741.18 636,406.03 70°19'10.959 N 148°53'38.95 W 8,345.20 18.99 242.91 7,671.87 -395.28 1,959.78 5,967,727.15 636,378.55 70°19'10.826 N 148°53'39.76 W 8,439.41 19.07 240.67 7,760.93 -409.80 1,932.72 5,967,712.15 636,351.75 70°19'10.683 N 148°53'40.55 W 8,533.80 18.99 241.30 7,850.16 -424.73 1,905.81 5,967,696.74 636,325.11 70°19'10.536 N 148°53'41.33 W 8,629.00 19.01 244.63 7,940.18 -438.81 1,878.21 5,967,682.17 636,297.78 70°19'10.398 N 148°53'42.14 W 8,723.39 19.03 246.46 8,029.42 -451.54 1,850.21 5,967,668.94 636,270.01 70°19'10.272 N 148°53'42.95 W 8,818.12 19.01 248.48 8,118.98 -463.37 1,821.70 5,967,656.60 636,241.72 70°19'10.156 N 148°53'43.79 W 8,912.80 18.98 249.94 8,208.50 -474.31 1,792.89 5,967,645.15 636,213.11 70°19'10.049 N 148°53'44.63 W 9,006.97 19.03 248.56 8,297.54 -485.17 1,764.22 5,967,633.78 636,184.64 70°19'9.942 N 148°53'45.46 W 9,038.71 19.01 248.95 8,327.55 -488.92 1,754.57 5,967,629.86 636,175.07 70°19'9.905 N 148°53'45.74 W 9,126.63 19.04 247.84 8,410.66 -499.47 1,727.93 5,967,618.83 636,148.62 70°19'9.801 N 148°53'46.52 W 10/29/2014 11:07:31AM Page 4 COMPASS 5000.1 Build 61 WI- 0 bp Survey Report-Geographic BAKER HUGHES Company: North America-ALASKA-BP Local Co-ordinate Reference: Well N-30 Project: Prudhoe Bay ND Reference: Mean Sea Level Site: PB N Pad MD Reference: N-30 @ 90.80usft(Parker 272) Well: N-30 North Reference: True Wellbore: N-30 Survey Calculation Method: Minimum Curvature Design: N-30 Database: EDM R5K-Alaska PROD-ANCP1 Survey Measured ND Below Map Map Depth Inclination Azimuth System +N/-S +E/-W Northing Easting (usft) (°) (°) (usft) (usft) (usft) (usft) (usft) Latitude Longitude 9,142.96 19.37 248.07 8,426.08 -501.49 1,722.95 5,967,616.72 636,143.68 70°19'9.782 N 148°53'46.67 W N-30 T1.1 9,185.59 20.25 248.64 8,466.19 -506.82 1,709.52 5,967,611.16 636,130.34 70°19'9.729 N 148°53'47.06 W 9,215.42 23.17 247.20 8,493.90 -510.97 1,699.30 5,967,606.82 636,120.20 70°19'9.688 N 148°53'47.36 W 9,247.48 25.22 248.65 8,523.14 -515.90 1,687.12 5,967,601.67 636,108.12 70°19'9.640 N 148°53'47.71 W 9,279.41 25.90 248.53 8,551.95 -520.93 1,674.30 5,967,596.41 636,095.38 70°19'9.590 N 148°53'48.09 W 9,309.98 29.19 249.43 8,579.05 -526.00 1,661.10 5,967,591.11 636,082.28 70°19'9.541 N 148°53'48.47 W 9,342.18 33.61 248.24 8,606.53 -532.06 1,645.46 5,967,584.77 636,066.76 70°19'9.481 N 148°53'48.93 W 9,374.19 37.24 247.01 8,632.61 -539.13 1,628.31 5,967,577.40 636,049.74 70°19'9.412 N 148°53'49.43 W 9,404.97 40.92 246.52 8,656.50 -546.79 1,610.49 5,967,569.42 636,032.05 70°19'9.336 N 148°53'49.95 W 9,437.25 45.03 247.09 8,680.11 -555.45 1,590.26 5,967,560.40 636,011.99 70°19'9.251 N 148°53'50.54 W 9,469.13 48.17 245.37 8,702.01 -564.79 1,569.07 5,967,550.68 635,990.97 70°19'9.159 N 148°53'51.16 W 9,499.63 51.52 246.10 8,721.68 -574.37 1,547.82 5,967,540.73 635,969.90 70°19'9.065 N 148°53'51.78 W 9,522.67 53.88 246.47 8,735.64 -581.74 1,531.05 5,967,533.06 635,953.25 70°19'8.993 N 148°53'52.27 W N-30 T1.8 9,523.27 53.94 246.48 8,735.99 -581.93 1,530.60 5,967,532.86 635,952.81 70°19'8.991 N 148°53'52.28 W N-30 T1.2 9,531.66 54.80 246.61 8,740.88 -584.64 1,524.34 5,967,530.03 635,946.61 70°19'8.964 N 148°53'52.46 W 9,563.05 55.48 247.88 8,758.82 -594.61 1,500.59 5,967,519.65 635,923.04 70°19'8.866 N 148°53'53.16 W 9,594.64 56.14 246.61 8,776.57 -604.71 1,476.50 5,967,509.11 635,899.13 70°19'8.767 N 148°53'53.86 W 9,626.83 57.58 245.82 8,794.17 -615.59 1,451.83 5,967,497.80 635,874.67 70°19'8.660 N 148°53'54.58 W 9,658.72 58.70 245.70 8,811.01 -626.71 1,427.14 5,967,486.24 635,850.18 70°19'8.551 N 148°53'55.30 W 9,671.96 60.20 245.94 8,817.74 -631.38 1,416.73 5,967,481.38 635,839.86 70°19'8.505 N 148°53'55.60 W N-30 T1.9 9,688.84 62.11 246.23 8,825.88 -637.37 1,403.22 5,967,475.15 635,826.46 70°19'8.446 N 148°53'56.00 W 9,710.74 65.09 246.91 8,835.61 -645.17 1,385.23 5,967,467.03 635,808.61 70°19'8.369 N 148°53'56.52 W N-30 T1.3 9,721.06 66.50 247.22 8,839.85 -648.83 1,376.55 5,967,463.21 635,800.00 70°19'8.333 N 148°53'56.78 W 9,752.76 68.28 248.52 8,852.03 -659.86 1,349.45 5,967,451.71 635,773.10 70°19'8.225 N 148°53'57.57 W 9,783.53 70.85 249.69 8,862.77 -670.14 1,322.51 5,967,440.95 635,746.35 70°19'8.124 N 148°53'58.35 W 9,815.70 71.75 250.21 8,873.09 -680.58 1,293.89 5,967,429.99 635,717.92 70°19'8.021 N 148°53'59.19 W 9,847.73 74.75 249.64 8,882.32 -691.11 1,265.08 5,967,418.95 635,689.32 70°19'7.918 N 148°54'0.03 W 9,878.14 77.92 248.23 8,889.50 -701.73 1,237.51 5,967,407.84 635,661.94 70°19'7.813 N 148°54'0.83 W 9,910.85 81.13 248.03 8,895.45 -713.71 1,207.67 5,967,395.33 635,632.32 70°19'7.695 N 148°54'1.70 W 9,942.58 84.11 246.34 8,899.52 -725.91 1,178.67 5,967,382.61 635,603.54 70°19'7.575 N 148°54'2.55 W 9,973.57 86.64 245.10 8,902.02 -738.61 1,150.51 5,967,369.41 635,575.62 70°19'7.451 N 148°54'3.37 W 10,005.62 89.68 245.57 8,903.05 -751.98 1,121.41 5,967,355.52 635,546.76 70°19'7.319 N 148°54'4.22 W 10,015.65 90.80 246.12 8,903.01 -756.08 1,112.26 5,967,351.25 635,537.69 70°19'7.279 N 148°54'4.49 W N-30 TI.4 10,035.92 93.05 247.22 8,902.33 -764.11 1,093.66 5,967,342.90 635,519.24 70°19'7.200 N 148°54'5.03 W 10,067.58 96.70 248.40 8,899.64 -776.02 1,064.45 5,967,330.47 635,490.25 70°19'7.083 N 148°54'5.88 W 10,100.36 100.70 248.32 8,894.68 -787.97 1,034.34 5,967,317.98 635,460.36 70°19'6.965 N 148°54'6.76 W 10,130.47 104.16 248.70 8,888.20 -798.74 1,006.98 5,967,306.73 635,433.20 70°19'6.859 N 148°54'7.56 W ,. 10,162.15 107.99 248.94 8,879.43 -809.73 978.60 5,967,295.22 635,405.03 70°19'6.751 N 148°54'8.39 W 10,194.31 112.30 248.55 8,868.36 -820.68 950.47 5,967,283.78 635,377.10 70°19'6.644 N 148°54'9.21 W 10,226.72 116.18 249.09 8,855.06 -831.35 922.92 5,967,272.61 635,349.75 70°19'6.539 N 148°54'10.01 W 10,255.75 118.96 249.87 8,841.62 -840.37 898.82 5,967,263.16 635,325.82 70°19'6.450 N 148°54'10.72 W 10,288.67 121.60 249.84 8,825.02 -850.16 872.14 5,967,252.90 635,299.31 70°19'6.354 N 148°54'11.50 W 10,320.08 121.94 249.78 8,808.48 -859.38 847.07 5,967,243.23 635,274.42 70°19'6.263 N 148°54'12.23 W 10,351.26 122.27 250.30 8,791.91 -868.40 822.25 5,967,233.77 635,249.76 70°19'6.175 N 148°54'12.95 W 10,444.68 123.17 250.07 8,741.42 -895.04 748.31 5,967,205.82 635,176.31 70°19'5.913 N 148°54'15.11 W 10,540.05 124.03 251.26 8,688.64 -921.34 673.36 5,967,178.18 635,101.85 70°19'5.654 N 148°54'17.30 W ' 10,576.66 124.31 251.17 8,668.08 -931.10 644.68 5,967,167.91 635,073.36 70°19'5.558 N 148°54'18.13 W 10/29/2014 11:07:31AM Page 5 COMPASS 5000.1 Build 61 • 0 bp Survey Report-Geographic BAKER HUGHES Company: North America-ALASKA-BP Local Co-ordinate Reference: Well N-30 Project: Prudhoe Bay TVD Reference: Mean Sea Level Site: PB N Pad MD Reference: N-30 @ 90.80usft(Parker 272) Well: N-30 North Reference: True Wellbore: N-30 Survey Calculation Method: Minimum Curvature Design: N-30 Database: EDM R5K-Alaska PROD-ANCP1 Survey Measured TVD Below Map Map Depth Inclination Azimuth System +N/-S +E/-W Northing Easting (usft) (°) (°) (usft) (usft) (usft) (usft) (usft) Latitude Longitude 10,635.00 124.31 251.17 8,635.19 - -946.65 599.07 5,967,151.54 635,028.04 70°19'5.405 N 148°54'19.46 W Projection to TD-N-30 Geo Poly-N-30 T1.7 10/29/2014 11:07:31AM Page 6 COMPASS 5000.1 Build 61 • bp Survey Report-Geographic BAKER HUGHES Company: North America-ALASKA-BP Local Co-ordinate Reference: Well N-30 Project: Prudhoe Bay TVD Reference: Mean Sea Level Site: PB N Pad MD Reference: N-30 @ 90.80usft(Parker 272) Well: N-30 North Reference: True Wellbore: N-30 Survey Calculation Method: Minimum Curvature Design: N-30 Database: EDM R5K-Alaska PROD-ANCP1 Targets Target Name -hit/miss target Dip Angle Dip Dir. TVD +NI-S +EI-W Northing Easting -Shape (0) (°) (usft) (usft) (usft) (usft) (usft) Latitude Longitude N-30 T1.7 0.00 0.00 8,560.00 -1,015.36 439.76 5,967,080.00 634,870.00 70°19'4.729 N 148°54'24.11 W -actual wellpath misses target center by 189.08usft at 10635.00usft MD(8635.19 TVD,-946.65 N,599.07 E) -Point N-30 T1.3 0.00 0.00 8,820.00 -621.87 1,367.03 5,967,490.00 635,790.00 70°19'8.598 N 148°53'57.05 W -actual wellpath misses target center by 33.43usft at 9711.34usft MD(8835.87 TVD,-645.38 N,1384.72 E) -Point N-30 T1.2 0.00 0.00 8,730.00 -564.56 1,518.09 5,967,550.00 635,940.00 70°19'9.162 N 148°53'52.65 W -actual wellpath misses target center by 22.23usft at 9523.48usft MD(8736.12 TVD,-582.00 N,1530.44 E) -Point N-30 T1.4 0.00 0.00 8,900.00 -717.02 1,095.26 5,967,390.00 635,520.00 70°19'7.663 N 148°54'4.98 W -actual wellpath misses target center by 42.70usft at 10015.18usft MD(8903.02 TVD,-755.89 N,1112.68 E) -Point N-30 T1.8 0.00 0.00 8,722.00 -567.00 1,513.24 5,967,547.47 635,935.19 70°19'9.138 N 148°53'52.79 W -actual wellpath misses target center by 26.83usft at 9523.08usft MD(8735.88 TVD,-581.87 N,1530.74 E) -Point N-30 T1.9 0.00 0.00 8,793.00 -609.51 1,391.60 5,967,502.80 635,814.34 70°19'8.720 N 148°53'56.34 W -actual wellpath misses target center by 41.50usft at 9671.42usft MD(8817.47 TVD,-631.18 N,1417.16 E) -Point N-30 T1.1 0.00 0.00 8,430.00 -488.33 1,729.51 5,967,630.00 636,150.00 70°19'9.911 N 148°53'46.48 W -actual wellpath misses target center by 15.22usft at 9142.96usft MD(8426.08 TVD,-501.49 N,1722.95 E) -Point N-30 Geo Poly 0.00 0.00 8,600.00 -1,015.36 439.76 5,967,080.00 634,870.00 70°19'4.729 N 148°54'24.11 W -actual wellpath misses target center by 177.02usft at 10635.00usft MD(8635.19 TVD,-946.65 N,599.07 E) -Polygon Point 1 8,600.00 121.24 -67.85 5,967,200.00 634,800.00 Point 2 8,600.00 -80.53 28.56 5,967,000.00 634,900.00 Point 3 8,600.00 345.43 1,376.52 5,967,450.00 636,240.00 Point4 8,600.00 667.74 1,252.26 5,967,770.00 636,110.00 Casing Points Measured Vertical Casing Hole Depth Depth Diameter Diameter (usft) (usft) Name (in) (in) 3,321.22 3,009.80 SURFACE CASING 9.625 12.250 9,151.02 8,433.68 INTERMEDIATE CASING 1 7.000 7.000 10,633.00 8,636.32 PRODUCTION CASING 1 4.500 6.125 Design Annotations Measured Vertical Local Coordinates Depth Depth +N/-S +E/-W (usft) (usft) (usft) (usft) Comment 10,635.00 8,635.19 -946.65 599.07 Projection to TD Checked By: Approved By: Date: 10/29/2014 11:0731AM Page 7 COMPASS 5000.1 Build 61 co 0 a) co w a. 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TD ai4 -121- Loepp, Victoria T (DOA) From: Regg,James B (DOA) Sent: Friday, October 03, 2014 9:21 AM To: Loepp,Victoria T(DOA);Schwartz,Guy L(DOA) Cc: DOA AOGCC Prudhoe Bay Subject: FW: N-30 Diverter- Parker 272 Follow Up Flag: Follow up Flag Status: Flagged FYI Jim Regg Supervisor, Inspections AOGCC 333 W.7th Ave,Suite 100 Anchorage,AK 99501 907-793-1236 CONFIDENTIALITY NOTICE:This e-mail message,including any attachments,contains information from the Alaska Oil and Gas Conservation Commission(AOGCC),State of Alaska and is for the sole use of the intended recipient(s).It may contain confidential and/or privileged information. The unauthorized review,use or disclosure of such information may violate state or federal law.If you are an unintended recipient of this e-mail, please delete it,without first saving or forwarding it,and,so that the AOGCC is aware of the mistake in sending it to you,contact Jim Regg at 907- 793-1236 orjim.regg@alaska.gov. From: Daniel, Ryan [mailto:Ryan.Daniel@bp.com] Sent:Thursday, October 02, 2014 11:33 PM To: Regg,James B (DOA) Subject: Re: N-30 Diverter- Parker 272 Thanks Jim, I will send you a discussion pack next week for a better long term engineering solution in our view. Basically a rig mod that would allow a high supported diverter exiting under the rig floor but above pipelines and other hazards. We would retrofit both Parker rigs with the same system. Rgds Ryan Sent from my iPhone On Oct 2,2014, at 11:17 PM,Regg, James B (DOA) <iim.regg@alaska.gov>wrote: Undrrstand from Inspector Jeff Jones that the diverter vent line as observed this evening with a 22 degree bend oriented upward is an acceptable option. However Parker 272 has hydraulics issues affecting the function of the knife valve and annular preventing a passing diverter function test. Repairs will be made this evening and the rig can take care of pipe handling ops. AOGCC will witness the diverter function test tomorrow morning and drilling can commence upon a passing test. 1 Jim Regg Supervisor, Inspections AOGCC 907-793-1236 Sent from Samsung Mobile Original message From: "Regg,James B (DOA)" <jim.regga,,alaska.gov> Date: 10/02/2014 8:25 PM (GMT-09:00) To: "Nocas,Noel" <Noel.Nocas(a,,bp.com>,DOA AOGCC Prudhoe Bay <doa.aogcc.prudhoe.bay@alaska.gov> Cc: "Loepp, Victoria T(DOA)" <victoria.loepp@alaska.gov>,"AK, D&C Rig 272 Well Site Leader" <AKDCRig272 WellSiteLeader@bp.com>,"Staudinger, Garret" <Garret.Staudinger@bp.com>,"Daniel, Ryan" <Ryan.Danielgbp.com>,"Lastufka, Joseph N" <Joseph.Lastutka@bp.com>,"Willingham, James M" <James.Willingham@bp.com>,"Burnett, Richard D" <burnr8(&BP.com>,"Endacott, Mary S" <Mary.Endacott(@bp.com>,"Davies, Stephen F (DOA)" <steve.davies@alaska.gov> Subject: RE: N-30 Diverter-Parker 272 I now understand that one of our Inspectors intends to be at the rig this evening. I am waiting for his assessment of Parker 272 diverter vent line. Drilling may not commence until AOGCC is satisfied with the vent line arrangement. Jim Regg Supervisor, Inspections AOGCC 907-793-1236 Sent from Samsung Mobile Original message From: "Nocas,Noel" <Noel.Nocas@bp.com> Date: 10/02/2014 7:29 PM(GMT-09:00) To: "Davies, Stephen F (DOA)" <steve.davies(c�alaska.gov>,"Regg, James B (DOA)" <jim.regg a alaska.gov> Cc: "Loepp, Victoria T(DOA)" <victoria.loepp@alaska.gov>,"AK, D&C Rig 272 Well Site Leader" <AKDCRig272We1lSiteLeader@bp.com>,"Staudinger, Garret" <Garret.Staudinger@bp.com>,"Daniel, Ryan" <Ryan.Daniel@bp.com>,"Lastufka, Joseph N" <Joseph.Lastutka@bp.com>,"Willingham, James M" <lames.Willingham@bp.com>,"Burnett, Richard D" <burnr8@BP.com>,"Endacott,Mary S" <Mary.Endacott@,bp.com> Subject: N-30 Diverter-Parker 272 Jim, Stephen, and Victoria, 2 Thank you for your time today. For your input and coming together to understand more about our operation. Jim. could you please advise as to Parker 272 operations on N-30. Per the email from John Crisp at 5:45pm today "I would like to walk around the Rig and Pad tomorrow morning during normal drilling operations and discuss what I see then," It would seem with a successful diverter test tonight (scheduled 8pm) we can continue operations with diverter plan #3 for N-30. We are confident that the plan proposed by the BP rig team, and supported by the Anchorage staff, provides adequate safety for all the personnel on site. Below is a summary of historical N-Pad drilling operations, specifically targeted towards surface hole and shallow hazards (N-30 surface hole will be drilled to -3,323'MD (3,310'TVD)). After, there is the diverter history for N-30, namely the derivations which have brought us to today. N-Pad History N-Pad is located in the north-central portion of the Prudhoe Bay Field BP has done extensive Pore Pressure/Fracture Gradient studies throughout Prudhoe Bay. A study on N-Pad has been conducted (updated October 24, 2012.) Here is some N-pad history and key findings from this study: • Influx Events: "There have been no documented influx events at N-Pad." • Breathing: "There have been no documented breathing events at N-pad." • Mud Logs/ Connection Gas / Gas Cut Mud: Mud logging was not a common practice during the development of Prudhoe and most of the mud logs we have are paper copies from the late 1970's / early 1980's. The mud log from N-01 is from 1970 and does not contain connection gas data. Background gas is the only well documented data from the N-01 mud log. N-01 is the only instance of gas cut mud on N-pad, drilled in 1970, and shows gas cut mud at 4320' TVDss and 6381' TVDss. These are in the Ugnu and Colville, respectively, and lie below the planned surface interval for N-30. • Shallow Gas: There have been no documented shallow gas events on N-pad 3 • Shallow ..ater flows: There have been no documented shallow water flows on N-pad • Disposal: Disposal near N-pad is below the surface casing interval. The GC- 2E disposal well injects into the UG3 and is 4500' away from the N-30 target well path at the injection horizon depth. Injection into GC-2E was relatively constant and modest from 2011 to 2013. In the past 6 months, disposal has been minimal. GC-2C has not been active since 2007. ML pressure for UG3 was set at 9.3ppg and the max PP from the pad PPFG validation report is 9.5ppg. • The most two recent wells drilled on N-Pad: o N-29i was drilled in September this year (2014) with no shallow hazards encountered, gas or hydrate related. o N-27i was drilled in September 2007 with no shallow hazards encountered, gas or hydrate related. N-30 Diverter Approval History: We have not requested a diverter waiver for N-30. Diverter"Plan#1" was rejected by the state for containing a 90° bend. Currently we are operating under an approved diverter layout on PTD#214-110. This "Diverter plan#2"was rigged up today 10/2/2014 and inspected by AOGCC Jeff Jones. From his findings, discussion with the rig team and state, a better plan was requested. "Diverter Plan#3" was developed and suggested to the state. The pad operator,rig wellsite leader, BP rotary superintendent, BP well operations manager, BP Alaska wells vice president, and the operational drilling engineer were in agreement of this plan. John Crisp of AOGCC gave his response to this plan: "It has always been my opinion on a production Pad where the vent line could damage production facilities and flow lines a bad diverter vent is worse than having a great escape and shut down procedure for the Rig without a diverter.It's all about the personnel on the Rig and the Pad evacuating. If there are no good options plan#3 must be what the Operator and Contractor deem the safest for evacuation from Rig and Pad. I would like to walk around the Rig and Pad tomorrow morning during normal drilling operations and discuss what I see then. I have no doubt they will be in compliance with regulations before spud." This plan involves a 22° target T on the end of the ventline turned straight up. 4 Below are some pictures for reference. Thank you, Noel Nocas 229-9532 Noel.nocas u,bp.com 20 We would like to continue with operations and spud N-30 after a passing test of the diverter system tonight. Below are some pictures for reference. Thank you, Noel Nocas 229-9532 Noel.nocas@bp.com 5 Loepp, Victoria T (DOA) From: Regg,James B (DOA) Sent: Thursday, October 02, 2014 11:17 PM To: Nocas, Noel; DOA AOGCC Prudhoe Bay Cc: Loepp,Victoria T(DOA);AK, D&C Rig 272 Well Site Leader, Staudinger, Garret; Daniel, Ryan; Lastufka,Joseph N;Willingham,James M; Burnett, Richard D; Endacott, Mary S; Davies, Stephen F (DOA) Subject: RE: N-30 Diverter- Parker 272 Follow Up Flag: Follow up Flag Status: Flagged Understand from Inspector Jeff Jones that the diverter vent line as observed this evening with a 22 degree bend oriented upward is an acceptable option. However Parker 272 has hydraulics issues affecting the function of the knife valve and annular preventing a passing diverter function test. Repairs will be made this evening and the rig can take care of pipe handling ops. AOGCC will witness the diverter function test tomorrow morning and drilling can commence upon a passing test. Jim Regg Supervisor, Inspections AOGCC 907-793-1236 Sent from Samsung Mobile Original message From: "Regg,James B (DOA)" <jim.regg@alaska.gov> Date: 10/02/2014 8:25 PM(GMT-09:00) To: "Nocas,Noel" <Noel.Nocas@bp.com>,DOA AOGCC Prudhoe Bay<doa.aogcc.prudhoe.bay@alaska.gov> Cc: "Loepp,Victoria T(DOA)" <victoria.loepp@alaska.gov>,"AK,D&C Rig 272 Well Site Leader" <AKDCRig272WellSiteLeader@bp.com>,"Staudinger, Garret" <Garret.Staudinger@bp.com>,"Daniel,Ryan" <Ryan.Daniel@bp.com>,"Lastufka, Joseph N" <Toseph.Lastufka@bp.com>,"Willingham, James M" <Tames.Willingham@bp.com>,"Burnett, Richard D" <burnr8@BP.com>,"Endacott, Mary S" <Mary.Endacott@bp.com>,"Davies, Stephen F (DOA)" <steve.davies@alaska.gov> Subject: RE: N-30 Diverter- Parker 272 I now understand that one of our Inspectors intends to be at the rig this evening. I am waiting for his assessment of Parker 272 diverter vent line. Drilling may not commence until AOGCC is satisfied with the vent line arrangement. Jim Regg Supervisor, Inspections AOGCC 9 907-793-1236 Sent from Samsung Mobile Original message From: "Nocas,Noel" <Noel.Nocas@bp.com> Date: 10/02/2014 7:29 PM(GMT-09:00) To: "Davies, Stephen F (DOA)" <steve.davies@alaska.gov>,"Regg, James B (DOA)" <jim.regg@alaska.gov> Cc: "Loepp,Victoria T(DOA)" <victoria.loepp@alaska.gov>,"AK,D&C Rig 272 Well Site Leader" <AKDCRig272WellSiteLeader@bp.com>,"Staudinger, Garret" <Garret.Staudinger@bp.com>,"Daniel,Ryan" <Ryan.Daniel@bp.com>,"Lastufka, Joseph N" <Joseph.Lastufka@bp.com>,"Willingham, James M" <James.Willingham@bp.com>,"Burnett, Richard D" <burnr8@BP.com>,"Endacott,Mary S" <Mary.Endacott@bp.com> Subject:N-30 Diverter- Parker 272 Jim, Stephen, and Victoria, Thank you for your time today. For your input and coming together to understand more about our operation. Jim, could you please advise as to Parker 272 operations on N-30. Per the email from John Crisp at 5:45pm today "I would like to walk around the Rig and Pad tomorrow morning during normal drilling operations and discuss what I see then," It would seem with a successful diverter test tonight (scheduled 8pm) we can continue operations with diverter plan #3161-N-30. We are confident that the plan proposed by the BP rig team, and supported by the Anchorage staff, provides adequate safety for all the personnel on site. Below is a summary of historical N-Pad drilling operations, specifically targeted towards surface hole and shallow hazards (N-30 surface hole will be drilled to -3,323'MD (3,310'TVD)). After, there is the diverter history for N-30, namely the derivations which have brought us to today. N-Pad History N-Pad is located in the north-central portion of the Prudhoe Bay Field BP has done extensive Pore Pressure/Fracture Gradient studies throughout Prudhoe Bay. A study on N-Pad has been conducted (updated October 24, 2012.) Here is some N-pad history and key findings from this study: 10 • Influx Events: " ..ere have been no documented influx events at N-Pad." • Breathing: "There have been no documented breathing events at N-pad." • Mud Logs/ Connection Gas/ Gas Cut Mud: Mud logging was not a common practice during the development of Prudhoe and most of the mud logs we have are paper copies from the late 1970's /early 1980's. The mud log from N-01 is from 1970 and does not contain connection gas data. Background gas is the only well documented data from the N-01 mud log. N-01 is the only instance of gas cut mud on N-pad, drilled in 1970, and shows gas cut mud at 4320' TVDss and 6381' TVDss. These are in the Ugnu and Colville, respectively, and lie below the planned surface interval for N-30. • Shallow Gas: There have been no documented shallow gas events on N-pad • Shallow water flows: There have been no documented shallow water flows on N-pad • Disposal: Disposal near N-pad is below the surface casing interval. The GC-2E disposal well injects into the UG3 and is 4500' away from the N-30 target well path at the injection horizon depth. Injection into GC-2E was relatively constant and modest from 2011 to 2013. In the past 6 months, disposal has been minimal. GC-2C has not been active since 2007. ML pressure for UG3 was set at 9.3ppg and the max PP from the pad PPFG validation report is 9.5ppg. • The most two recent wells drilled on N-Pad: o N-29i was drilled in September this year (2014) with no shallow hazards encountered, gas or hydrate related. o N-27i was drilled in September 2007 with no shallow hazards encountered, gas or hydrate related. N-30 Diverter Approval History: We have not requested a diverter waiver for N-30. Diverter "Plan#1" was rejected by the state for containing a 90° bend. Currently we are operating under an approved diverter layout on PTD#214-110. This "Diverter plan #2" was rigged up today 10/2/2014 and inspected by AOGCC Jeff Jones. From his findings, discussion with the rig team and state, a better plan was requested. "Diverter Plan #3" was developed and suggested to the state. The pad operator, rig wellsite leader, BP rotary superintendent, BP well operations manager, BP Alaska wells vice president, and the operational drilling engineer were in agreement of this plan. John Crisp of AOGCC gave his response to this plan: "It has always been my opinion on a production Pad where the vent line could damage production facilities and flow lines a bad diverter vent is worse than having a great escape and shut down procedure for the Rig without a diverter.It's all about the personnel on the Rig and the Pad evacuating. If there are no good options plan#3 must be what the Operator and Contractor deem the safest for evacuation from 11 Rig and Pad. I would like to ..mik around the Rig and Pad tomorrow ruirning during normal drilling operations and discuss what I see then. I have no doubt they will be in compliance with regulations before spud." This plan involves a 22° target T on the end of the ventline turned straight up. We would like to continue with operations and spud N-30 after a passing test of the diverter system tonight. Below are some pictures for reference. Thank you, Noel Nocas 229-9532 Noel.nocas@bp.com bp.com 12 • Loepp, Victoria T (DOA) From: Crisp,John H (DOA) Sent: Thursday, October 02, 2014 9:53 PM To: Regg,James B (DOA); Nocas, Noel; DOA AOGCC Prudhoe Bay Cc: Loepp,Victoria T(DOA);AK, D&C Rig 272 Well Site Leader;Staudinger,Garret; Daniel, Ryan; Lastufka,Joseph N;Willingham,James M; Burnett, Richard D; Endacott, Mary S; Davies, Stephen F (DOA) Subject: RE: N-30 Diverter- Parker 272 Follow Up Flag: Follow up Flag Status: Flagged Gentlemen and Ladies, I apologize for getting involved with this Inspection. It was not my intention to be involved but Mr.Jones and I were at opposite ends of the Slope and didn't make contact until this evening. If a Diverter is required I totally agree with Mr.Jones that the Diverter system should be R/U in a fashion that is in total compliance with regulations and be R/U with all personnel (Drilling and Production)understanding that you expect to be on Diverter. If personnel involved with rigging up the Diverter and possibly be responsible for diverting the well have the mindset that it will not be used it could lead to a catastrophe. My thought was if I was responsible for the Inspection that I could Inspect the component that was in question prior to drilling out of permafrost. My apologies for any confusion caused that I may have caused. From: Regg,James B(DOA) Sent: Thursday, October 02, 2014 8:26 PM To: Nocas, Noel; DOA AOGCC Prudhoe Bay Cc: Loepp, Victoria T(DOA); AK, D&C Rig 272 Well Site Leader; Staudinger, Garret; Daniel, Ryan; Lastufka, Joseph N; Willingham,James M; Burnett, Richard D; Endacott, Mary S; Davies, Stephen F(DOA) Subject: RE: N-30 Diverter - Parker 272 I now understand that one of our Inspectors intends to be at the rig this evening. I am waiting for his assessment of Parker 272 diverter vent line. Drilling may not commence until AOGCC is satisfied with the vent line arrangement. Jim Regg Supervisor, Inspections AOGCC 907-793-1236 Sent from Samsung Mobile Original message From: "Nocas,Noel" <Noel.Nocasgbp.com> Date: 10/02/2014 7:29 PM(GMT-09:00) To: "Davies, Stephen F (DOA)" <steve.davies@alaska.gov>,"Regg, James B (DOA)" <iim.reggri alaska.gov> Cc: "Loepp,Victoria T(DOA)" <victoria.loepp(ii alaska.gov>,"AK, D&C Rig 272 Well Site Leader" <AKDCRig272WellSiteLeader(i)bp.com>,"Staudinger, Garret" <Garret.Staudingernbp.com>,"Daniel, Ryan" <Ryan.Danie1,bp.com>,"Lastufka,Joseph N" <Joseph.Lastufka@bp.com>,"Willingham, James M" 17 <James.Willingham@bp.com>,"Bu.__A, Richard D" <burnr8@BP.com>,"Eli..acott, Mary S" <Mary.Endacott@bp.com> Subject:N-30 Diverter- Parker 272 Jim, Stephen, and Victoria, Thank you for your time today. For your input and coming together to understand more about our operation. Jim, could you please advise as to Parker 272 operations on N-30. Per the email from John Crisp at 5:45pm today "I would like to walk around the Rig and Pad tomorrow morning during normal drilling operations and discuss what I see then," It would seem with a successful diverter test tonight (scheduled 8pm) we can continue operations with diverter plan #3.for N-30. We are confident that the plan proposed by the BP rig team, and supported by the Anchorage staff, provides adequate safety for all the personnel on site. Below is a summary of historical N-Pad drilling operations, specifically targeted towards surface hole and shallow hazards (N-30 surface hole will be drilled to —3,323'MD (3-.310'TVD)). After, there is the diverter history for N-30, namely the derivations which have brought us to today. N-Pad History N-Pad is located in the north-central portion of the Prudhoe Bay Field BP has done extensive Pore Pressure/Fracture Gradient studies throughout Prudhoe Bay. A study on N-Pad has been conducted (updated October 24, 2012.) Here is some N-pad history and key findings from this study: • Influx Events: "There have been no documented influx events at N-Pad." • Breathing: "There have been no documented breathing events at N-pad." • Mud Logs/ Connection Gas/ Gas Cut Mud: Mud logging was not a common practice during the development of Prudhoe and most of the mud logs we have are paper copies from the late 1970's / early 1980's. The mud log from N-01 is from 1970 and does not contain connection gas data. Background gas is the only well documented data from the N-01 mud log. N-01 is the only instance of gas cut mud on N-pad, drilled in 1970, and shows gas cut mud at 4320' TVDss and 6381' TVDss. These are in the Ugnu and Colville, respectively, and lie below the planned surface interval for N-30. • Shallow Gas: There have been no documented shallow gas events on N-pad 18 • Shallow water flu.:s: There have been no documented shallow water flows on N-pad • Disposal: Disposal near N-pad is below the surface casing interval. The GC-2E disposal well injects into the UG3 and is 4500' away from the N-30 target well path at the injection horizon depth. Injection into GC-2E was relatively constant and modest from 2011 to 2013. In the past 6 months, disposal has been minimal. GC-2C has not been active since 2007. ML pressure for UG3 was set at 9.3ppg and the max PP from the pad PPFG validation report is 9.5ppg. • The most two recent wells drilled on N-Pad: o N-29i was drilled in September this year (2014) with no shallow hazards encountered, gas or hydrate related. o N-27i was drilled in September 2007 with no shallow hazards encountered, gas or hydrate related. N-30 Diverter Approval History: We have not requested a diverter waiver for N-30. Diverter "Plan#1" was rejected by the state for containing a 90° bend. Currently we are operating under an approved diverter layout on PTD#214-110. This "Diverter plan #2" was rigged up today 10/2/2014 and inspected by AOGCC Jeff Jones. From his findings, discussion with the rig team and state, a better plan was requested. "Diverter Plan#3" was developed and suggested to the state. The pad operator, rig wellsite leader, BP rotary superintendent, BP well operations manager, BP Alaska wells vice president, and the operational drilling engineer were in agreement of this plan. John Crisp of AOGCC gave his response to this plan: "It has always been my opinion on a production Pad where the vent line could damage production facilities and flow lines a bad diverter vent is worse than having a great escape and shut down procedure for the Rig without a diverter.It's all about the personnel on the Rig and the Pad evacuating. If there are no good options plan#3 must be what the Operator and Contractor deem the safest for evacuation from Rig and Pad. I would like to walk around the Rig and Pad tomorrow morning during normal drilling operations and discuss what I see then. I have no doubt they will be in compliance with regulations before spud." This plan involves a 22° target T on the end of the ventline turned straight up. We would like to continue with operations and spud N-30 after a passing test of the diverter system tonight. 19 Loepp. Victoria T (DOA) From: Regg,James B (DOA) Sent: Thursday, October 02,2014 8:26 PM To: Nocas, Noel; DOA AOGCC Prudhoe Bay Cc: Loepp,Victoria T(DOA);AK, D&C Rig 272 Well Site Leader, Staudinger, Garret; Daniel, Ryan; Lastufka,Joseph N;Willingham,James M; Burnett, Richard D; Endacott, Mary S; Davies, Stephen F(DOA) Subject: RE: N-30 Diverter- Parker 272 Follow Up Flag: Follow up Flag Status: Flagged I now understand that one of our Inspectors intends to be at the rig this evening. I am waiting for his assessment of Parker 272 diverter vent line. Drilling may not commence until AOGCC is satisfied with the vent line arrangement. Jim Regg Supervisor, Inspections AOGCC 907-793-1236 Sent from Samsung Mobile Original message From: "Nocas,Noel" <Noel.Nocas@bp.com> Date: 10/02/2014 7:29 PM(GMT-09:00) To: "Davies, Stephen F (DOA)" <steve.davies@alaska.gov>,"Regg,James B (DOA)" <jim.regg@alaska.gov> Cc: "Loepp,Victoria T(DOA)" <victoria.loepp@alaska.gov>,"AK,D&C Rig 272 Well Site Leader" <AKDCRig272WellSiteLeader@bp.com>,"Staudinger, Garret" <Garret.Staudinger@bp.com>,"Daniel, Ryan" <Ryan.Daniel@bp.com>,"Lastufka, Joseph N" <Joseph.Lastufka@bp.com>,"Willingham, James M" James.Willingham@bp.com>,'Burnett, Richard D" <burnr8@BP.com>,"Endacott,Mary S" <Mary.Endacott@bp.com> Subject: N-30 Diverter- Parker 272 Jim, Stephen, and Victoria, Thank you for your time today. For your input and coming together to understand more about our operation. Jim, could you please advise as to Parker 272 operations on N-30. Per the email from John Crisp at 5:45pm today "I would like to walk around the Rig and Pad tomorrow morning during normal drilling operations and 24 • . rIt '' „,iimignimureas 4fr'' c ,..,. I '1/4.- Spine Road -- 4 N-Pad . ... .,_ , ,i-: , i ... ,, . , ' • ' ~ ' ,(. * •..il '..•,, . 1 ' - - -- ,. r i " - ' , '''' • Z ' ' ,.. • , .‘ • 1110 \‘. , 1 t 4 ' 1 33 ,< APPROVED DIVERTER PLAN#2 PTD# � 214-110 �x reater Than 75' rom rig and g . . , • . • 116 Targeted 22` PAr,ri Fu.. 41* ym2c 34 • 177:0 zJ 4 —J 2 z' Loepp, Victoria T (DOA) From: Regg,James B (DOA) Sent: Thursday,October 02,2014 4:05 PM To: Loepp,Victoria T(DOA) Subject: FW: PBU N-30 Diverter Attachments: IMG_5968 jpg;IMG_9008 jpg Jim Regg Supervisor, Inspections AOGCC 333 W.7th Ave,Suite 100 Anchorage,AK 99501 907-793-1236 CONFIDENTIALITY NOTICE:This e-mail message,including any attachments,contains information from the Alaska Oil and Gas Conservation Commission(AOGCC),State of Alaska and is for the sole use of the intended recipient(s). It may contain confidential and/or privileged information. The unauthorized review,use or disclosure of such information may violate state or federal law If you are an unintended recipient of this e-mail, please delete it,without first saving or forwarding it,and,so that the AOGCC is aware of the mistake in sending it to you,contact Jim Regg at 907- 793-1236 or jim.regg@alaska.gov. From: Jim Regg [mailto:jim.regg@gmail.com] Sent: Thursday, October 02, 2014 3:55 PM To: Regg,James B (DOA) Subject: PBU N-30 Diverter 1 n " s„ 1. j i 1". `' s •'..' A. ti r,' I I or • � II oriel!" 7 MO ' \ f. L �, 1. ' x. �. s di r i 411 I • i+ { r 1'j' .t ,l-i't i o .`,41,,,*;,. 1, ili :Ail 1,,f ,l ,' l * ' d, 4(..,, * .. i ,, ,,, ' '.•! .A,il , ; \ , '''' , - ! .0 •4.W ..t 1. * 1',IA . #, . t�1 'r:# k t ti:ir' i ‘ as •t'0 "t,. -„,,, . 't ,,,t? , I V II 0 ' i ' , k .44•1`;*illi # , et*4; ';' A ! , t . •" lit" ! 1, ,, ,. , i ... ,,,t, *if , ,s • . : , s 'y,, t • r illittor t,� ', ps i it r A• ` a i Loepp, Victoria T (DOA) From: Nocas, Noel <Noel.Nocas@bp.com> r Sent: Thursday, October 02, 2014 5:30 PM To: Loepp,Victoria T (DOA) Subject: N-30 Location Attachments: n-30 location 2.pdf Follow Up Flag: Follow up Flag Status: Flagged 4,7 , 090 ..'.-7 ✓� b y i-,1, • A S , '4e, ; +1 r N. ' \. ' , 4 i :, �p 3. 1 1 '444. Tex . r w Paoli 1 , �,..-.. It A • i. 1°. . A sp_ i 4 it 1 At t I . i •. 1 ` `N 1 bp 0.01 0.005 0 0.01 Miles 0 mum • Legend Pipelines(General) t ahote(iruund Buried Pipelines(Detailed) Gas -MI -\1'.4G -Water -• Relief 1,1 —Utility Unknown Selected Pipelines .444 Author: nn 2 October,2014 BP1`nopn0 a BP Exploration(Alaska)Inc.All rights reserved.This map is informational in nature ands presented without representations or Product of BPXA Atlas Enterprise GIS. bplancii016 warranties as to accuracy,comdeteness,or use for any purpose PTU z l 4- -12 Ferguson, Victoria L (DOA) From: Nocas, Noel <Noel.Nocas@bp.com> Sent: Wednesday, September 17, 2014 6:11 PM To: Ferguson,Victoria L(DOA) Subject: Re: N-30(PTD 214-124) Follow Up Flag: Follow up Flag Status: Flagged Thank you Victoria, I will communicate this to the rig.We will work to keep the line as straight as possible and to keep our people and operations safe. Best, Noel Nocas On Sep 17, 2014,at 13:45, "Ferguson,Victoria L(DOA)"<victoria.ferguson@alaska.gov>wrote: The number of bends needs to be as few as possible with the diverter route as straight as possible. If a third bend is not absolutely necessary,then it should not be included. From: Nocas, Noel [mailto:Noel.Nocas@bp.com] Sent: Friday, September 12, 2014 3:02 PM To: Ferguson, Victoria L(DOA) Subject: RE: N-30(PTD 214-124) Victoria, Feedback from the rig team was positive from the revised diverter layout.Thank you for your input. They would like to look into the possibility of adding a targeted 22° bend on the end of the ventline due to pad layout. I have attached a picture... Does this look acceptable?This is not set in stone, but they would like the freedom to do it if rig up determines it is necessary. There will be no change to the diverter layout itself, but a targeted bend (22°) will be added to the very end. What do you think? <image001.png> Thanks, Noel From: Nocas, Noel Sent: Tuesday, September 02, 2014 12:45 PM To: 'Ferguson, Victoria L(DOA)' Subject: RE: N-30(PTD 214-124) Sorry about that, Does this work? (attached—pdf, word doc, picture) 1 • . PTO z1 4-) 2 'J Ferguson, Victoria L (DOA) From: Ferguson,Victoria L(DOA) Sent: Wednesday, September 17, 2014 10:44 AM To: 'Nocas, Noel' Subject: RE:N-30(PTD 214-124) The number of bends needs to be as few as possible with the diverter route as straight as possible. If a third bend is not absolutely necessary, then it should not be included. From: Nocas, Noel [ma iIto:Noel.Noce s@)bD.com] Sent: Friday, September 12, 2014 3:02 PM To: Ferguson, Victoria L(DOA) Subject: RE: N-30(PTD 214-124) Victoria, Feedback from the rig team was positive from the revised diverter layout.Thank you for your input.They would like to look into the possibility of adding a targeted 22° bend on the end of the ventline due to pad layout. I have attached a picture... Does this look acceptable?This is not set in stone, but they would like the freedom to do it if rig up determines it is necessary. There will be no change to the diverter layout itself, but a targeted bend (22°) will be added to the very end. What do you think? 1 Thanks, Noel From: Nocas, Noel Sent: Tuesday, September 02, 2014 12:45 PM To: 'Ferguson,Victoria L(DOA)' Subject: RE: N-30(PTD 214-124) Sorry about that, Does this work? (attached—pdf,word doc, picture) From: Ferguson, Victoria L(DOA) [mailto:victoria.ferguson@alaska.gov] Sent: Tuesday, September 02, 2014 11:37 AM To: Nocas, Noel Subject: RE: N-30(PTD 214-124) Noel, I am unable to print the diverter plan with the diverter route/dimensions(don't show up). Could you please send this in a different format? Thanx, Victoria From: Nocas, Noel [mailto:Noel.Nocas@bp.com] Sent:Tuesday, September 02, 2014 11:21 AM To: Ferguson, Victoria L(DOA) Subject: RE: N-30(PTD 214-124) Victoria, Please see attached. Please note that the distances are approximate. The current location of the second 22° bend is also approximate as rig up will be determined on site. This will not change the angle or total length on the line. For example, the second 22° bend may be located 50' from the rig, instead of 40'. Thanks, Noel From: Ferguson, Victoria L(DOA) [mailto:victoria.ferguson@alaska.gov] Sent:Tuesday, September 02, 2014 10:54 AM To: Nocas, Noel Subject: RE: N-30(PTD 214-124) Noel. The 90 degree angle in the diverter line is not acceptable. Please work with the rig to come up with a diverter layout that can only include an angle up to 22 degrees. Once determined please submit a diverter layout schematic labeled with dimensions for approval. Thanx, 3 . . Victoria From: Nocas, Noel [mailto:Noel.Nocas@)bp.com] Sent:Tuesday, September 02, 2014 10:25 AM To: Ferguson,Victoria L(DOA) Subject: N-30(PTD 214-124) Victoria, I have attached the N-30 Diverter Layout with a better rig schematic and lengths detailing the layout. Per the AOGCC regulations: • Diameter of line will be at least 16" • Will have a remote operated annular pack-off and full opening knife valve. • The vent line will extend 75' from a potential source of ignition and the rig substructure • Will be as straight as possible to limit HSE risks regarding the entrance and exit to N-Pad, potential ignition sources, egress routes from the rig, and truck staging locations • All bends with a bend radius less than 20 times the inside diameter of the vent line will be targeted. Please let me know if you need anything else. Thanks, Noel Nocas From: Ferguson, Victoria L(DOA) [mailto:victoria.ferguson@alaska.gov] Sent: Friday, August 29, 2014 10:50 AM To: Rosenbaum,Jesse E; Nocas, Noel; Rose, John G (ASRC); Mammadov, Famil; Gorrell,John Cc: Lastufka,Joseph N Subject: PBU N-29(PTD 214-110);P-30 (PTD 214-116); N-28(PTD 214-127); N-30(PTD 214-124);11-39(PTD 214-099) All, Please provide a detailed schematic of the diverter layout for these grassroots wells as well as anticipated spud dates. Thanx, Victoria Victoria Ferguson Senior Petroleum Engineer State of Alaska Oil&Gas Conservation Commission 333 W.7th Ave,Ste 100 Anchorage,AK 99501 Work. (907)793-1247 victoria.ferquson a(�alaska.gov CONFIDENTIALITY NOTICE:This e-mail message,including any attachments,contains information from the Alaska Oil and Gas Conservation Commission(AOGCC),State of Alaska and is for the sole use of the intended recipient(s).It may contain confidential and/or privileged information.The unauthorized review,use or disclosure of such information may violate state or federal law.If you are an unintended recipient of this e-mail,please delete it,without first saving or forwarding it,and,so that the AOGCC is aware of the mistake in sending it to you,contact Victoria Ferguson at(907)793-1247 or Victoria.Ferguson@alaska.gov 4 7-cOF '"l%%i THE STATE LIet,&.a; Ti �,_ln �"ac./,f ,7'7 :�� of r; `� /\ r" . 1 / ,„:i.-.. / 1. _�.", �. 1,`),. ,,,-sl . F 'rte '} `, - /- s} __ __- 333 West Seventh Avenue 1 N' t--�- --2/ GOVERNOR v'}.Rtic, Ancnoia , AaR tiL A PARN E I.L e g Mlainska90979520791-31547323 . el''Arturel o 73/ 2%6 %5/12 Ms. Mary Endacott Engineering Team Leader BP Exploration(Alaska), Inc. Post Office Box 196612 Anchorage, AK 99519-6612 Re: Prudhoe Bay Field, Prudhoe Bay Oil Pool, PBU N-30 BP Exploration(Alaska), Inc. Permit No: 214-124 Surface Location: 2183' FSL, 4712' FEL, Sec. 08, Ti 1N, R13E,UM Bottomhole Location: 1164' FSL,4276' FEL, Sec. 08, T11N, R13E, UM Dear Ms. Endacott: Enclosed is the approved application for permit to drill the above referenced development well. This permit to drill does not exempt you from obtaining additional permits or an approval required by law from other governmental agencies and does not authorize conducting drilling operations until all other required permits and approvals have been issued. In addition, the AOGCC 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 AOGCC 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 AOGCC order, or the terms and conditions of this permit may result in the revocation or suspension of the permit. Sincerely, A 7 /1-77 -14"-- Cathy P. Foerster Chair DATED this&day of September, 2014. STATE OF ALASKA RECEIVED ALAS )IL AND GAS CONSERVATION COMM )N PERMIT TO DRILL AUG 19 2014 20 AAC 25.005 1 a.Type of work. 1 b.Proposed Well Class: ®Development Oil 0 Service-Winj • ®Single Zone 1 c Specify if A C • 0 Drill ❑ Lateral 0 Stratigraphic Test 0 Development Gas 0 Service-Supply 0 Multiple Zone 0 Coalbed Gas 0 Gas Hydrates 0 Redrill 0 Reentry 0 Exploratory 0 Service-WAG 0 Service-Disp 0 Geothermal 0 Shale Gas 2.Operator Name: 5.Bond to Blanket ❑Single Well 11.Well Name and Number: BP Exploration(Alaska) Inc. Bond No 6194193 • PBU N-30 • 3. Address 6 Proposed Depth: 12.Field/Pool(s) P.O. Box 196612,Anchorage,Alaska 99519-6612 MD 10801' . TVD 8651' • Prudhoe Bay/Prudhoe Bay - 4a.Location of Well(Governmental Section). 7.Property Designation(Lease Number). Surface ADL 028282 ' 2183' FSL,4712' FEL, Sec.08,T11N, R13E, UM ' Top of Productive Horizon: 8.Land Use Permit: 13.Approximate Spud Date: 1670' FSL, 3044' FEL,Sec.08,T11N, R13E, UM September 26,2014 • Total Depth 9 Acres in Property: 14.Distance to Nearest Property: 1164' FSL,4276' FEL,Sec.08,T11N, R13E, UM 2469 23500' 4b. Location of Well(State Base Plane Coordinates-NAD 27): 10 KB Elevation above MSL 90.80' • feet 15.Distance to Nearest Well Open Surface: x 634412 • y-5968087 ' Zone- ASP4 GL Elevation above MSL. 43.7' , feet to Same Pool: 800' 16.Deviated Wells. Kickoff Depth. 500' • feet 17.Maximum Anticipated Pressures in psig(see 20 AAC 25.035) Maximum Hole Angle: 120 • degrees Downhole. 3228 • Surface: 2371 • 18 Casing Program Specifications Top-Setting Depth-Bottom Quantity of Cement,c.f.or sacks Hole Casing Weight Grade Coupling Length MD TVD MD TVD (including stage data) Driven 20" 78.6# A-53 80' Surface Surface 80' 80' 12-1/4" 9-5/8" 47# L-80 Hvd563 3308' Surface Surface 3308'• 3111' 1674 sx DeepCrete, 217 sx Class'G' 8-1/2" 7" 26# _ L-80 VamTop 9139' Surface Surface 9139' . 8531' 265 sx Class'G' 6-1/8" 4-1/2" 12.6# 13Cr85 VamTop 1812' 8989' 8387' 10801'. 8651' 202 sx Class'G' 19. PRESENT WELL CONDITION SUMMARY(To be completed for Redrill and Re-entry Operations)_ Total Depth MD(ft). Total Depth ND(ft): Plugs(measured): Effective Depth MD(ft): Effective Depth TVD(ft). Junk(measured) Casing Length Size Cement Volume MD ND Conductor/Structural I Surface Intermediate Production Liner Perforation Depth MD(ft): Perforation Depth ND(ft): 20.Attachments: Z Property Plat IN BOP Sketch Z Drilling Program 0 Time vs Depth Plot 0 Shallow Hazard Analysis 0 Diverter Sketch 0 Seabed Report 0 Drilling Fluid Program 0 20 AAC 25.050 Requirements 21. Verbal Approval: Commission Representative: Date 22. I hereby certify that the foregoing is true and correct Contact Noel Nocas,564-5027 Printed Name Mary Endacott Title Engineering Team Leader ( E`mlail Noel Nocas@bp cornSignature \fy/'� ` AdaatPhone 564-4388 Date gI'CpII `c Commission Use Only Permit To Drill / / API Number: 2 Permit Approval Date: See cover letter for Number: 2/'7`�Z'/ 50-�)Z9- Z. ± 3 ur L - ts--2_0‘.4-( other requirements: Conditions of Approval: If box is checked,well may not be used to explore for,test,or produce coalbed methane,gas hydrates,or gas 12/ _/ contained shales: Other: C p f-e 5 f" --to , 51,,f)j 5 1 / Samples Req'd 0 Yes L"No Mud Log Req'd: 0/Yes I� BoNo Flow , el I e tva j 17r.d < o r U HZS Measures: [ Yes ❑(Vo Directional Survey Req'd: Lia Yes 0 No a FC/ru 1/.i7, p.cr 20 AA-C 25.033,pacing exception req'd. ❑Yes No inclination-only svy Req'd: El [{Yes 'No (-) �/ APPROVED BY Gj n APPROVED BY ^—COMMISSIONER THE COMMISSION Date / -(S -7 Form 10-401 Revised 10/2 12 ThisOF1O1NM ri dor24 months from the date of approval(20 AAC 25.005(g)) Submit Form and Attachments In upiicat VLF 9/5/1f, 1e 4 • ..> .z_i_)•/ t p Itotto 40, If 0 004446 To: Alaska Oil &Gas Conservation Commission From: Noel Nocas, ODE Date: August 18, 2014 Re: N-30 Permit to Drill The N-30 well is scheduled to be drilled by Parker 272 in September 2014. The grassroots well is a horizontal producer targeting the Ivishak Zone 3. The planned well has three hole sections utilizing the ultra slim hole design. Surface casing will be set in competent shale to isolate the permafrost and running gravels. The intermediate hole is planned as a casing string which top sets the Sag River formation. The production interval will be completed with a 4-%", 12.6# solid liner will be run and fully cemented, then perforated. The maximum anticipated surface pressure from the Ivishak/Sag with a full column of gas from TD to surface is -2,381 psi (assumes 7.33 ppg as pore pressure). This well will be drilled by Parker 272 using their 5,000 psi four preventer BOP stack (3 rams and an annular). The BOP rams and annular will be tested to 3,500 psi. A detailed operations summary is included with the permit application. Below is a brief summary of planned drilling operations: 1. Move in Parker 272 and function test diverter. 2. Drill 12-1/4" surface hole to 3,308 ft MD. 3. Run 9-5/8"surface casing and cement to surface. 4. Nipple up BOPE and test to 3,500 psi. 5. Pressure test surface casing to 3,500 psi. Drill out the shoe and perform LOT. 6. Drill 8-1/2" intermediate hole to top of the Sag River at 9,139 ft MD. 7. Run 7" casing and cement to -1,500' MD above casing shoe (TOC at -7,639 ft MD). Pressure test casing to 3,500 psi. 8. Drill out of intermediate shoe and perform FIT. 9. Drill 6-1/8" horizontal production hole through Zone 3 of the Ivishak to TD at-10,801 ft MD. 10. Run and cement a 4-1/2", solid, chrome, production liner. 11. Pressure test liner top packer to 3500 psi. 12. Run DPC perf guns and perforate production liner. 13. Run 4-1/2" chrome completion tubing. Sting into liner tieback sleeve and set production packer. 14. Pressure test the tubing and the inner annulus to 3500 psi each. 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 N-30, please do not hesitate to use the contact information below. Noel Nocas Office: 907-564-5027 Cell: 907-229-9532 Email: noel.nocas@bp.com Attachments: BOPE Equipment Schematics Well Schematic Directional Plan N-30 PTD Page 1 8/18/2014 Planned Well Summary Well N-30 • Type Oil Producer Objecet tive Ivishak Current Status Grass Roots Well Estimated Start Date: 9/26/2014 Time to Complete: 35 Days Surface Northing Easting Offsets TRS Location 5,968,087.24 - 634,412.16- 3097' FNL /4712' FEL - 11N 13E sec 8 - Northing Easting TVDss Offsets TRS Tgt 5,967,605 636,090 -8,658' 3609' FNL / 3044' FEL 11N 13E sec 8 TSAD BHL 5,967,077 634,868 -8,560' 4115' FNL /4277' FEL 11N 13E sec 8 Planned KOP: 500' MD/409' TVDss Planned TD: 10,801' MD / 8,561' TVDs� Rig: Parker 272 BF-RT: 43.70 • RTE (ref MSL): 90.80- Directional — Schlumberger P1 KOP: 500' MD Maximum Hole Angle: -26° in the 8-3/4" intermediate section -120° in the 6-1/8" production section Close Approach Wells: None Survey Program: Surface to -1250 ft MD = GYD-GC-SS (single shot gyro) • -1250 ft MD to TD = MWD+IFR+MS Nearest Property Line: 23,500 ft • Nearest Well within Pool: 800 ft N-30 PTD Page 2 8/19/2014 Formation Tops & . ,re Pressure Estimate (SOR, Estimated Minimum Most Likely Maximum Depth Fluid ` 'reey n Formation Formation Top Pore Pressure Pore Pressure Pore Pressure Uncertainty Type 04 (TVDss) (EMW ppg) (EMW ppg) (EMW ppg) (+/-TVD ft) (for sands) (tepee G1 360 8.35 8.40 8.45 20q SV6 1,660 8.35 8.40 8.45 20 g' / BPRF 1,900 8.35 8.63 • 8.90 , 20 SV5 2,250 8.35 8.43 8.50 20 f•/_.9.K SV4 2,460 8.35 8.43 8.50 20 SV3 2,920 8.35 8.43 8.50 20 Water SV2 3,075 8.35 8.43 8.50 20 Water G/Q3 _ SV1 3,390 8.35 8.43 8.50 30 Water G} UG4 3,800 8.35 8.93 ' 9.50 30 Water !• �c UG4A 3,840 8.35 8.93 9.50 30 Water UG3 4,090 8.35 9.20 • 9.50 30 Water UG1 4,560 8.35 8.93 . 9.50 30 T Water WS2 5,110 8.35 8.68 9.00 40 Water • WS1 5,270 8.35 8.68 9.00 40 Water CM3 5,460 8.35 9.08 • 9.80 • 40 CM2 6,360 9.30 9.65 . 10.00 / 50 3/ �G) CM1 6,500 9.30 9.65 10.00 50 /� 1 THRZ 6,741 9.50 9.75 . 10.00 , 40 "".-' BHRZ 6,973 9.50 9.75 10.00 40 /a ! 7/6. a TMLV/LCU 6,979 9.60 9.70 . 9.80 • 40 TJH 7,169 9.60 9.70 9.80 30 TJG 7,185 9.60 9.70 9.80 30 TJF 7,523 9.60 9.75 • 9.90 , 30 TJE 7,704 9.60 9.75 9.90 30 TJD 7,924 9.60 9.75 9.90 30 TJC 8,149 9.60 9.75 9.90 30 TJB 8,277 9.60 10.05 • 10.50 d 30 TJA 8,348 9.60 10.05 10.50 ,/ 30 TSGR 8,435 6.84 7.33 • 7.33 30 Gas _ _ / TSHU 8,470 6.84 7.33 9.95 30 =;.S gg TSAD 8,550 6.86 7.24 7.25 30 Gas 45SB 8,567 6.86 7.22 7.25 30 Gas 42SB 8,665 6.86 7.12 7.25 30 Gas -- TCGL 8,722 6.86 7.06 7.25 30 Gas • I PGOC 8,753 6.86 7.03 7.25 10 Gas BCGL 8,793 6.86 7.03 7.25 30 Oil POWC 8,803 6.86 7.03 7.25 10 Water 23SB 8,843 6.86 7.03 7.25 30 Water 22TS 8,893 6.86 7.03 7.25 30 Water Invert 8,900 6.86 7.03 7.25 10 Water • ji??..22),/,1 N-30 PTD Page 3 8/18/2014 Casing/Tubin• Prog1 am Hole Casing/ Wt/Ft Grade Conn Length Top (ft) Bottom (ft) Size Tbg O.D. (ft) MD/TVDss MD/TVDss - 20" x 34" 78.6# A-53 - 80 Surface 80'/36' 12-1/4" 9-5/8" 47# L-80 Hyd 563 3,308 Surface 3,308'/3,020' 8-1/2" 7" 26# L-80 VamTop 9,139 Surface 9,139'/8,440 6-1/8" 41/2" 12.6# 13Cr-85 VamTop 1,812 8,989/8,296 10,801'/8,560' Tubing 41/2" 12.6# 13Cr-85 VamTop 8,989 Surface 8,989'/8,296' Mud Program Surface Hole Mud Properties: MAXDRIL-N 12-1/4" Hole Section Depth Interval Density LSR-YP YP z API FL Chlorides pH ppg (2x3-6)rpm Ib/100 ftml/30min mg/I 0'-500' 8.5—9.2 30-50 50-80 <15 <1000 10.8 500' — Base Perm 8.8—9.2 - 30-50 50-80 <15 <1000 10.8 Base Perm—Section TD 9.1 -9.4 - 25-45 40-60 <15 <1000 10.8 Intermediate Mud Properties: LSND 8-1/2" hole section Depth Interval Density PV YP API FL HTHP FL MBT pH (PPM 3,308' —6,764' MD 93-9.6 - 10 - 15 18 -25 <8 NC <20 8.5 - 9.5 To 200' above CM2 6,764'—7,158' MD 98 - 10.0 10 - 15 18 -25 <8 NC <20 8.5 -9.5 To 200' above HRZ 7,158'—Section TD 10.2 - 10.3 - 10 - 15 18 -25 <8 NC <20 8.5 - 9.5 Production Mud Properties: Water Based Polymer Fluid 6-1/8" hole section Density PV YP Low Shear Depth IntervalAPI FL Rate MBT pH (ppg) (cp) (Ib1100ft2) Viscosity 9,139' -TD 8.5 - 8.8 <8 12 - 18 <12 15000-30000 <4 8.5 - 9.5 Logging Program 12-1/4"Surface: Sample Catchers - not required for surface hole Drilling: Dir/GR/Res - Open Hole: None Cased Hole: None 8-1/2" Intermediate: Sample Catchers—as required by Geology Drilling: Dir/GR/Res Open Hole: None Cased Hole: None 6-1/8" Production: Sample Catchers—as required by Geology Drilling: Dir/GR/Res/Neu/Den - Open Hole: None Cased Hole: None N-30 PTD Page 4 8/18/2014 Cement Program Casing Size 9-5/8" 47#, L-80 Surface Casing Lead: Open hole volume +350% excess above BPRF, 40% excess below BPRF. Port collar Basis: used if hole conditions dictate Lead TOC: Surface Tail: Open hole volume + 40% excess + 80 ft shoe track Tail TOC: 500 ft MD above casing shoe Total Cement Lead 575.7 bbls, 3,232 cuft, 1674 sks of 11.0 ppg DeepCRETE, Yield: 1.929 ft3/sk Volume: Tail 45.1 bbls, 253cuft, 217 sks of 15.8 ppg Class G, Yield: 1.16 ft3/sk Casing Size 7" 26#, L-80 Intermediate Casing Basis: Lead: N/A Lead TOC: N/A Tail: Open hole volume + 30% excess + 80 ft shoe track Tail TOC: 1,500' MD above casing shoe Total Cement Lead N/A Volume: Tail 55.3 bbls, 310 cuft, 265.45 sks of 15.8 ppg Class G, Yield: 1.17 ft3/sk Casing Size 4.5" 12.6#, 13Cr-80 Production Liner Basis: Tail: Open hole volume + 30% excess Tail TOC: TOL Total Cement Tail 42.0 bbls, 235 cuft, 201.5 sks of 15.8 ppg Class G, Yield: 1.17 ft3/sk Volume: Surface and Anti-Collision Issues All wells pass Major Risk anti-collision scans. Hydrogen Sulfide N-Pad is not considered an H2S site. Recent H2S data from the pad is as follows: Well Name H2S Level Reading Date Comments Parent Well(if sidetrack) n/a #1 Closest SHL Well H2S Level N-07A 20 ppm 7/22/2012 #2 Closest SHL Well H2S Level N-26 '1-6-ppm 2/11/2014 #1 Closest BHL Well H2S Level N-20A 8 ppm 1/28/2014 #2 Closest BHL Well H2S Level N-01A 14 ppm 1/10/2014 #3 Closest BHL Well H2S Level N-16 8 ppm 1/17/2013 #4 Closest BHL Well H2S Level N-14B 10 ppm 3/26/2014 Max. Recorded H2S on N-09 71 ppm 4/25/2010 1/3/14 4ppm Pad/Facility Faults Formation Where Encounter Fault MD Intersect TVDss Intersect Throw Direction Uncertainty Lost Circ and Magnitude Potential No faults anticipated N-30 PTD Page 5 8/18/2014 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) for guidance. Well Control The 12-W surface hole will be drilled with a diverter. The 8-1/2" and the 6-W hole sections 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 3,500 psi. BOP test frequency for N-30 will be 14 days with function test every 7 days. Except in the event of a significant operational issue that may effect well integrity or pose safety concerns, an extension to the 14 day BOP test period should not be requested. 8-1/2" Intermediate Interval Maximum anticipated BHP 3,215 psi at @ TSGR at 8,435' TVDss (7.33 ppg EMW) V Maximum surface pressure 2,371 psi (.10 psi/ft gas gradient to surface) A- V 25 bbl KT with 12.23 ppg frac gradient, 50 bbl KT with 13.37 ppg frac gradient Kick tolerance Assumes 7.33 ppg pore pressure in the Sag + 0.5 ppg kick intensity and 10.2 ppg MW. Planned BOP test pressure Rams test to 3,500 psi/250 psi Annular test to 3,500 psi/250 psi Integrity Test—8-3/4" hole LOT after drilling 20'-50' of new formation below previous shoe 7" Casing The upper VBRs will be changed to 7" rams to accommodate the 7" casing. 6-1/8" Production Interval Maximum anticipated BHP 3,228 psi @ TSGR at 8,470' TVDss(7.33 ppg EMW) Maximum surface pressure 2,371 psi (.10 psi/ft gas gradient to surface) ✓ Infinite with >9.0 ppg frac gradient Kick tolerance Assumes a 0.5 ppg kick intensity over the anticipated 7.33 ppg pore pressure in the Sag/Ivishak with an 8.6 ppg MW. Planned BOP test pressure Rams test to 3,500 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>11 ppg FIT 4-1/2" Liner Top Packer 3,500 psi surface pressure Test Planned completion fluids 8.5 ppg Seawater/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 (<1,000 ft). 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. • The well will be monitored for flow when the pumps are off at each connection. • The planned 8.6-9.4 ppg fluid will provide over balance to formation fluid. N-30 PTD Page 6 8/18/2014 _ _-30 OPERATIONS SUMMAR. Pre-Rig Work: 1. Install insulated conductor and weld on landing ring. Install lined Cellar box. Send As-built to Engineer. 2. Gyro N-20 prior to spud to clear up anti-collision 3. Spot Gen 5 Wellhead and Slip-Loc wellhead in cellar prior to RU if required Rip Operations: 1. MIRU Doyon 25. Nipple up diverter spool and function test diverter. 2. Prepare pits with MaxDrill Mud and PU DP as required and stand back in derrick. 3. MU 12-W drilling assembly with MWD/GR/Res and directionally drill surface hole to Base Permafrost. Gyro survey until magnetic interference clears up. CBU and short trip to surface. Change bit and dial up/down motor bend as required. 4. RIH and continue drilling 12-W surface hole to section TD at -3308' MD in SV3 shale -55' TVD above SV2. CBU until hole is clean. POOH on elevators (if backreaming is required, RIH until able to POOH on elevators). Lay down BHA. 5. Run and fully cement 9-%" 47# BTC-M casing to surface, displacing cement with drilling fluid. A TAM port collar may be run at 500' as a contingency. 6. ND diverter and NU casing head and spacer spool. NU BOPE (Configured from top to bottom: annular preventor, 7" fixed, blind/shear, mud cross, 2-%" x 51/2" VBR). Test BOPE to 250 psi low, 3500psi high. Give the AOGCC 24 hrs notice prior to testing. 7. Pressure test 9-%" surface casing and wellhead to 250 psi low/ 3500 psi high for 5 minutes low/30 minutes high (This will test casing, wellhead, and OA valves). 8. Make up 8-1/2" drilling BHA with bent housing motor and MWD/GR/RES/PWD and RIH to float collar, picking up drillpipe as required to TD intermediate interval. 9. Drill out shoe track and displace well to LSND drilling fluid. Drill 20' of new formation and perform LOT. Minimum requirement for leakoff is 12.23ppg EMW. 10. Drill ahead to +/-200' and above the CM2, weight up mud to 9.8ppg. 11. Ensure mud weight of 9.8ppg prior to drilling ahead. Continue drilling to +/- 200' MD above the HRZ, weight up to 10.2ppg if not already there. 12. Continue drilling to TD at the Top SAG (estimated at -9139' MD). At TD, CBU, and condition hole as necessary to run 7" casing. POOH. 13. RU and run 7" 26# L-80 Vam Top HC casing to TD. Cement the 7" casing to 1500' MD above the shoe. After bumping the plug on the cement job, pressure test the 7" casing to 3,500 psi for 30 charted minutes. 14. Install 7" packoff and test void to 250 psi low/5,000 psi high. 15. Freeze-protect the 9-%" x 7" annulus, once cement has reached 500 psi compressive strength. Confirm that the OA is open before freeze protecting. 16. Change upper rams to 2-7/8" x 5-1/2"VBR and test to 250 psi low, 3500 psi high. 17. PU 6-W drilling BHA with PDC bit, Archer RSS, and DIR/GR/RES/NEU/DEN. Slick (non-stabilized) ADN should be run. RIH and begin drilling out shoe track. 18. Displace the well to 8.6ppg Quikdril N fluid prior to fully drilling out shoe track. 19. Drill out shoe and 20' of new formation and perform the planned FIT to 11.5ppg EMW(9.0ppg EMW provides infinite kick tolerance). 20. Drill ahead to planned TD at-10,801' MD, per directional proposal and rig site geologist. 21. Circulate bottoms-up, short trip, circulate and condition hole for liner run. POOH. N-30 PTD Page 7 8/18/2014 22. MU and run 4-W 12.64, „R liner to TD. Cement the 4-W liner to L..,_ Jf liner. Displace cement with perf pill and used FloPro mud. Reciprocate liner throughout cement job. Bump plug and check floats prior to setting liner hanger. 23. Set liner hanger/liner top packer and circulate excess cement off the top of liner. 24. POOH, L/D drillpipe and the liner running tool. 25. Pressure test liner to 250 psi low/ 3500 psi high for 5 minutes low/ 30 minutes high after cement reaches 500 psi compressive strength. 26. RIH with perforating assembly and perforate the well per procedure after cement reaches 1000 psi compressive strength. CBU and POOH. Laydown guns and verify all shots have fired. 27. R/U and run a 4-Y2", 12.6#, 13Cr, VamTop tubing completion with GLMs. Space out and land the tubing with tubing tail inserted into the liner tieback sleeve. 28. Make up tubing hanger per FMC Rep. Land the tubing hanger, and run in lock down screws. 29. Reverse circulate seawater and corrosion inhibitor into the tubing x casing annulus. 30. Drop ball/rod and set packer and individually test the tubing to 250 psi low/3500 psi high for 5 minutes low/30 minutes high. Bleed tubing pressure to 2000 psi and test annulus to 250 psi low/ 3500 psi high for 5 minutes low/30 minutes high. Record each test. 31. Shear the DCK valve. Pump both ways to confirm valve has sheared. 32. With landing joint still rigged up, reverse circulate diesel freeze protect using rig injection pump. 33. Allow diesel to U-tube, drain stack, and rig down landing joint. Monitor well for 1 hour to confirm well is dead. 34. Install TWC and test from above to 250 psi low/ 3500 psi high for 5 minutes low/30 minutes high. 35. Nipple down the BOPE. Nipple up the adaptor flange and tree and test to 5,000 psi with diesel. • Ensure Heet® is left on TWC and only diesel (no water) is left in tree. 36. Install all annuls valves and secure the well. Ensure T/IA/OA all have two barriers in place. 37. Secure the well. Rig down and Move Off. Post-Riq Work: 1. Pull BPV 2. MIRU slickline. Pull the ball and rod / RHC plug. Install generic GLM design 3. Blue Goo 9-%" x 20" annulus 4. R/U service coil and ad-pert as needed. 5. Install well-house and instrumentation and flowline. N-30 PTD Page 8 8/18/2014 ,4-3O 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 are not expected on N pad. B. Intermediate Hole: The Ugnu is expected to be over pressured at 9.3 ppg. A minimum mud weight of 9.5 ppg will be utilized to provide adequate over balance. - C. Production Hole: The pore pressure in the production interval is anticipated to be and r pressured due to offset well production with limited injection support. The highest anticipated pore pressure is 7.33 ppg. Expected FIT provides an infinite kick tolerance. The interval will be drilled with a substantial over balance utilizing an 8.6 ppg fluid. II. Lost Circulation/Breathing A. Surface Hole: Lost circulation is considered a low probability. B. Intermediate Hole: Breathing and/or lost circulation is considered a low risk with no mapped faults in the area and a relatively low mud weight planned for drilling. C. Production Hole: Breathing and/or lost circulation is a low risk with no mapped fault crossings. If lost circulation becomes a problem, follow the LCM decision tree provided in the drilling program. Utilize good hole cleaning practices to avoid high ECD and prevent pack-off potential which could induce losses/ breathing. III. Integrity Testing Test Point Test Depth Test type EMW(Ib/gal) 12.23 ppg minimum(25 bbls) 9-%"Shoe 20'-50'from the 9-5/8"Shoe LOT 13.37 ppg target(50 bbls) 9.0 ppg minimum(infinite) 7"shoe 20'-50'from the 7"shoe FIT 11.5 ppg target(infinite) IV. Hydrogen Sulfide (H2S) (6) H2S Data Is this a H2S pad? No Well Name 1.2,§],e)el Reading Date Comments Parent Well(if sidetrack) N A N-A #1 Closest SHL Well H2S Level N-07A 20 ppm , 7222012 #2 Closest SHL Well H2S Level N-26 16 ppm 2/11;2014 #1 Closest BHL Well H2S Level N-20A 8 ppm 1%28/2014 #2 Closest BHL Well H2S Level N-WA 14 ppm 110/2014 #3 Closest BHL Well H2S Level N-16 8 ppm 1'1712013 #4 Closest BHL Well H2S Level N-148 TO ppm 3/26,x2014 Max.Recorded H2S on Pad Facillty N-09 71ppm 4'25%2010 3 14-lupin N-30 surface location between N-07A and N-23i. r MI has 100ppm H2S. Last injected MI in 2012 and no plan for MI injection until Other Relevant H2S Data after UZI conversion. Prior to MIRU,check that MI is not being injected. (H2S alarms from rigs.etc.) V. Faults A. No faults anticipated VI. Anti-Collision Issues A. There are no anti-collision issues on this well. ' CONSULT THE N-PAD DATA SHEET AND THE WELL PLAN FOR ADDITIONAL INFORMATION. N-30 PTD Page 9 8/18/2014 Parker 272 Diverter anc. _OPE Schematics* z t, 1 U H o NN i U�" I ag gN Q W all = SSEE BEEN 04 a�,�-' 1.,q; 'F"� �I� o - a€A „ et.A� � W may_ a 3 B1 6 MA 1 I r. —7 T E 1 ry w1 —T---T-- --T- . H� S 1 i \ i \ 4 \` L i +, a o� � s t ! '1' i \ 1 I ` d aW v R R = t f-. : I i=o4i ''''- I aa p I • i I g as®a-CAN, A ' "i ! " -- 1 = I-! iA _ Il 1 ii ! 4 i ! - V a fr it INp's� i i� ------ ! I ------------ 'In 53i 111”11 to I 1 Ali ii r j qi ri p i ll .1 a li I I I I ! 1 ; 9gs=;sp g4 4 W 44 n r� V. fed m 4 f a W sz Pw ,Waa :5 Wii w ' Ws!,: Pp LLry by -4T. "�W I i N-30 PTD Page 10 8/18/2014 • I .1 siz 1 w fa ag Y,Y. S_ W� K7i -tee N fit. dx4 R', � CMS° ,J 1A 7, o OAA VI.W L3W ,?,AAA ? : s em ^� '<oa $W"-' 3 *E'-l'-'-., rP �7.7.~ R W9��t. '-�- .i Y `F `F g sass \ \ 1 ,s \\r1 : 1\k, \ / • i I ! 1 / I 1 i � as 51\ i T -_ '�—_ _ g a�� baa �- �� ��5 �e "e 11 a a � ' . --- gay w I \ . I II : = t Ii :4' -- - I - _ ` • , : i ail �1. a o s s - P • 1 ?QA<K4�© 1 1 • I• it I- -- I i6€s'aya.,_..t i Y :i,=—'---If-A-41 - I 1� ¢ a �g°¢6. liZ I Ni � ; Lis ' 11H \ " �� ---) .415 fib FF? cF iB$3o e - I �_ Olieki ,1 , A \ 6 \ n ,Y O 9 ,,k' IN g V w U J j 3 S.. v�CC ZJKwAAA V * The drawings above reflect Parker 273 equipment. Parker 272 BOPE is identical to Parker 273 rig N-30 PTD Page 11 8/18/2014 Ferguson, Victoria L (DOA) From: Nocas, Noel <Noel.Nocas@bp.com> Sent: Tuesday, September 02, 2014 12:46 PM To: Ferguson, Victoria L(DOA) Subject: RE: N-30(PTD 214-124) Attachments: N-30 Diverter Plan 2.docx; N-30 Diverter Plan 2.pdf Sorry about that, Does this work? (attached—pdf, word doc, picthre) "and @ taucaa 1 ; • _•@ Zf P r Al •4 ? ' 22' Send C © 4 , II 444. 4}+G,cmoort.geo+•tit -*veva, ', .'s va,?,,A?10qyp1PVln"041,0>rimed. From: Ferguson, Victoria L (DOA) [mailto:victoria.ferguson@alaska.gov] Sent: Tuesday, September 02, 2014 11:37 AM To: Nocas, Noel Subject: RE: N-30(PTD 214-124) Noel, I am unable to print the diverter plan with the diverter route/dimensions(don't show up). Could you please send this in a different format? Thanx, Victoria 1 N-30 Diverter Line ute l - a1 1 1 a■1 , i f ,al - ■I r ,, fi1 -; 1 • 4 I I A M - ----- - - -- II � � I ■� �° I� --- —! � s� f, .o I • . , --- a Ili 4 w -v"' i ■ II a 1. 1 'II _g � „al -- ---~ ,3a __r "..,::i _ a iI •■ II 11 YY � --4 - III PE 51M i WELL PRODUCER ■ 0 WELL INJECTOR A DATE: 1010$12013 SCALE: 1"= 400' MAP DATE: 21D Pr'' _I - N PAD WELLSLOT W'CONCL_ : ❑ 175" ^Ad. 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L O) C N o ao ` m 3 3 o g 0 by North America - ALASKA - BP Prudhoe Bay PB N Pad Plan N-30 Plan N-30 N-30 Plan 2 Anticollision Summary Report 18 August, 2014 BAKER HUGHES BP V • P 1 bp Anticollision Report BAKER HUGHES Company: North America-ALASKA-BP Local Co-ordinate Reference: Well Plan N-30 Project: Prudhoe Bay TVD Reference: N-30 @ 90.80usft(Parker 272) Reference Site: PB N Pad MD Reference: N-30 @ 90.80usft(Parker 272) Site Error: 0.Oousft North Reference: True Reference Well: Plan N-30 Survey Calculation Method: Minimum Curvature Well Error: 0.O0usft Output errors are at 1.00 sigma Reference Wellbore Plan N-30 Database: EDM R5K-Alaska PROD-ANCP1 Reference Design: N-30 Plan 2 Offset TVD Reference: Offset Datum Reference N-30 Plan 2 Filter type: GLOBAL FILTER APPLIED:All wellpaths within 200'+100/1000 of reference Interpolation Method: MD Interval 25.00usft Error Model: ISCWSA Depth Range: Unlimited Scan Method: Tray.Cylinder North Results Limited by: Maximum center-center distance of 1,275.41 usft Error Surface: Elliptical Conic Survey Tool Program Date 8/18/2014 From To (usft) (usft) Survey(Wellbore) Tool Name Description 47.10 1,200.00 N-30 Plan 2(Plan N-30) GYD-GC-SS Gyrodata gyro single shots 1,200.00 2,500.00 N-30 Plan 2(Plan N-30) MWD MWD-Standard 1,200.00 3,308.00 N-30 Plan 2(Plan N-30) MWD+IFR+MS-WOCA MWD+IFR+Multi Station W/O Crustal 3,308.00 4,508.00 N-30 Plan 2(Plan N-30) MWD MWD-Standard 3,308.00 9,139.00 N-30 Plan 2(Plan N-30) MWD+IFR+MS-WOCA MWD+IFR+Multi Station W/O Crustal 9,139.00 10,339.00 N-30 Plan 2(Plan N-30) MWD MWD-Standard 9,139.00 10,801.21 N-30 Plan 2(Plan N-30) MWD+IFR+MS-WOCA MWD+IFR+Multi Station W/O Crustal • 8/18/2014 11:54:09AM Page 2 of 4 COMPASS 5000.1 Build 61 *+ BP PlaitZ„` „E bp Anticollision Report BAKER HUGHES Company: North America-ALASKA-BP Local Co-ordinate Reference: Well Plan N-30 Project Prudhoe Bay TVD Reference: N-30 @ 90.80usft(Parker 272) Reference Site: PB N Pad MD Reference: N-30©90.80usft(Parker 272) Site Error: 0.00usft North Reference: True Reference Well: Plan N-30 Survey Calculation Method: Minimum Curvature Well Error: 0.00usft Output errors are at 1.00 sigma Reference Wellbore Plan N-30 Database: EDM R5K-Alaska PROD-ANCP1 Reference Design: N-30 Plan 2 Offset ND Reference: Offset Datum Summary Reference Offset Centre to No-Go Allowable Measured Measured Centre Distance Deviation Warning Site Name Depth Depth Distance (usft) from Plan Offset Well-Wellbore-Design (usft) (usft) (usft) (usft) PB N Pad N-01-N-01-N-01 1,302.24 1,275.00 668.10 24.74 643.37 Pass-Major Risk N-01-N-01A-N-01A 1,314.79 1,300.00 668.27 24.91 643.36 Pass-Major Risk N-02-N-02-N-02 1,276.55 1,250.00 571.39 22.58 548.97 Pass-Major Risk N-03-N-03-N-03 328.88 300.00 467.07 5.76 461.31 Pass-Major Risk N-04-N-04-N-04 1,227.60 1,200.00 375.51 29.23 346.28 Pass-Major Risk N-04A-N-04A-N-04A 1,176.96 1,175.00 368.28 21.48 346.80 Pass-Major Risk N-05-N-05-N-05 1,152.52 1,125.00 269.44 21.13 248.34 Pass-Major Risk N-06-N-06-N-06 1,002.55 975.00 163.62 17.34 146.28 Pass-Major Risk N-07-N-07-N-07 679.10 650.00 35.25 15.74 19.50 Pass-Major Risk N-07-N-07A-N-07A 693.20 675.00 35.36 15.86 19.50 Pass-Major Risk N-08-N-08-N-08 928.31 900.00 63.91 15.91 47.99 Pass-Major Risk N-08-N-08A-N-08A 928.31 900.00 63.91 15.91 47.99 Pass-Major Risk N-09-N-09-N-09 Out of range N-10-N-10-N-10 1,560.89 1,550.00 1,257.63 25.17 1,232.46 Pass-Major Risk N-10-N-10A-N-10A 1,559.57 1,550.00 1,257.59 25.14 1,232.46 Pass-Major Risk N-11-N-11-N-11 1,508.17 1,500.00 1,146.85 27.42 1,119.42 Pass-Major Risk N-11A-N-11A-N-11A 1,507.40 1,500.00 1,155.87 25.20 1,130.67 Pass-Major Risk N-11A-N-11 B-N-11 B 1,507.40 1,500.00 1,155.87 25.09 1,130.78 Pass-Major Risk N-11A-N-11 BPB1-N-11 BPB1 1,507.40 1,500.00 1,155.87 25.20 1,130.67 Pass-Major Risk N-11A-N-11 BPB2-N-11 BPB2 1,507.40 1,500.00 1,155.87 25.20 1,130.67 Pass-Major Risk N-11A-N-11C-N-11C 1,510.24 1,500.00 1,155.93 25.26 1,130.68 Pass-Major Risk N-12-N-12-N-12 1,411.54 1,400.00 1,038.41 25.45 1,012.97 Pass-Major Risk N-13-N-13-N-13 1,434.04 1,425.00 927.53 22.92 904.61 Pass-Major Risk N-14-N-14-N-14 1,386.31 1,375.00 824.61 24.16 800.44 Pass-Major Risk N-14-N-14A-N-14A 1,366.74 1,350.00 824.34 23.89 800.44 Pass-Major Risk N-14-N-14B-N-14B 1,366.74 1,350.00 824.34 23.89 800.44 Pass-Major Risk N-14-N-14BPB1-N-14BPB1 1,366.74 1,350.00 824.34 23.89 800.44 Pass-Major Risk N-15-N-15-N-15 909.16 900.00 304.72 15.81 288.91 Pass-Major Risk N-16-N-16-N-16 1,584.05 1,575.00 1,063.80 32.07 1,031.95 Pass-Major Risk N-20-N-20-N-20 8,976.21 9,250.00 359.35 119.40 239.99 Pass-Major Risk N-20-N-20A-N-20A 8,976.21 9,250.00 359,35 119.40 239.99 Pass-Major Risk N-21-N-21-N-21 6,237.81 6,625.00 253.07 130.77 130.72 Pass-Major Risk N-21-N-21A-N-21A 6,237.81 6,625.00 253.07 130.66 130.83 Pass-Major Risk N-22-N-22-N-22 Out of range N-22-N-22A-N-22A Out of range N-22-N-22B-N-22B Out of range N-23-N-23-N-23 891.91 875.00 33.85 20.64 13.22 Pass-Major Risk N-23-N-23A-N-23A 891.91 875.00 33.85 20.64 13.22 Pass-Major Risk N-24-N-24-N-24 1,270.31 1,250.00 603.66 25.10 578.56 Pass-Major Risk N-25-N-25-N-25 1,891.51 2,125.00 1,146.83 42.34 1,105.01 Pass-Major Risk N-26-N-26-N-26 840.89 825.00 66.16 13.39 52.80 Pass-Major Risk N-27-N-27-N-27 766.93 750.00 100.69 12.35 88.41 Pass-Major Risk Plan N-28-Plan N-28-N-28 Plan 9 1,059.37 1,050.00 697.96 18.89 679.07 Pass-Major Risk Plan N-29-Plan N-29-N-29 Plan 5 873.73 875.00 274.14 15.67 258.47 Pass-Major Risk 8/18/2014 11:54::09AM Page 3 of 4 COMPASS 5000.1 Build 61 , BP re..41 Anticollision Report BAKER HUGHES Company: North America-ALASKA-BP Local Co-ordinate Reference: Well Plan N-30 Project: Prudhoe Bay TVD Reference: N-30 @ 90.80usft(Parker 272) Reference Site: PB N Pad MD Reference: N-30 @ 90.80usft(Parker 272) Site Error: 0.00usft North Reference: True Reference Well: Plan N-30 Survey Calculation Method: Minimum Curvature Well Error: 0.00usft Output errors are at 1.00 sigma Reference Wellbore Plan N-30 Database: EDM R5K-Alaska PROD-ANCP1 Reference Design: N-30 Plan 2 Offset TVD Reference: Offset Datum Reference Depths are relative to N-30 @ 90.80usft(Parker 272) Coordinates are relative to:Plan N-30 Offset Depths are relative to Offset Datum Coordinate System is US State Plane 1927(Exact solution),Alaska Zone 04 Central Meridian is 150°0'0.00 W° Grid Convergence at Surface is:1.03 Ladder Plot j , I 1400- :__ _ 1 1 1 1 I 1 I I I I 1 1 d I ' \_I I �/�� ,�yd t1050- 3m7� it a .', .. 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N m aaaaaaa r) r N `� Z.motoinnroim co - o M cN 9 VIZZZZ Z2Z Z N. = C: .!I CO Q / �_ _ N �o 00000H rn' vt �• 'R° N 0 481z OO 2_,7,2:~ � � . N _ OZO - 0000000 Le00oonm 7 ='o `�- Z g r 3 C N • T� q ^ O. 0 LO 6 I 5 u Kr.. __ . _ - __ _ 20aI j 111- Q li_ �� -- 19® ca II_ I a ;, 1 1 7a I 4. N. tAD ,6 a I I �1 - - J i 7\ �'� t �8 -^� I s p I "nits PROJECT I O OI O ,, l 11- I I ( ' - - . _ `gym _ - .c I ( N- 2s:- N PAD I - - - /� 17 1 2713 6a I _ - - 'r -, VICINITY MAP e 'N-30 I I i( N.T.S. II I 6a I 4° 1 2 a '�% ,�� OF .4 h'oa 24a ,. .., 4'gyp•• . , .sem min -7-N-28 Nom' C').,°* N.' '>y 77� J co 14 a 4- - - .+rel/ ' 4 It ,\ .* 4 y •Altr 40 ii . ... i I z 3■ i� ..1 ...��'°s ' m I m 20 LEGEND: c'r,Richor.' F. Allison •,• . 01.1 1,• Q • N: I 4- AS-BUILT ,fit %.,:: '608 • _4" 25e ! e EXISTING CONDUCTOR 44, DA• .........,1 v ` I /lIIII �SicP- `4� 9■ j I NOTES: 22e 1. ALASKA STATE PLANE COORDINATES ARE ZONE II 4 NAD27. SURVEYOR'S CERTIFICATE _ _ GEODETIC COORDINATES ARE NAD27. I HEREBY CERTIFY THAT I AM ��_ - -, 2. HORIZONTAL AND VERTICAL CONTROL ARE BASED ON N PAD OPERATOR MONUMENTS N-1 PROPERLY REGISTERED AND LICENSED GRAPHIC SCALE AND N-2. TO PRACTICE LAND SURVEYING IN 3. ELEVATIONS ARE BP EXPLORATION MEAN SEA THE STATE ILOF ALASKA AND THAT 0 250 500 1000 THISAAS-BUILT REPRESENTS A SURVEYT I _�- J LEVEL DATUM. MADE BY ME OR UNDER ALL DIRECT 4. MEAN PAD SCALE FACTOR IS: 0.9999206 SUPERVISION AND THAT ALL ( IN FEET ) 5. DATE OF SURVEY: AUGUST 05, 2014. DIMENSIONS AND OTHER DETAILS ARE 1 inch = 500 ft. 6. REFERENCE FIELD BOOK: NS14-47, PGs. 02-09. CORRECT AS OF AUGUST 05, 2014. LOCATED WITHIN PROTRACTED SEC. 8, T. 11 N., R. 13 E., UMIAT MERIDIAN, ALASKA WELL A.S.P. PLANT GEODETIC GEODETIC CELLAR SECTION NO. COORDINATES COORDINATES POSITION(DMS) POSITION(D.DD) BOX ELEV. OFFSETS N-28 Y=5,967,387.55 N 1969.70 7019'07.835" 70.3188431' 43.9' 1,483' FSL X= 634,410.37 E 1000.14 148'54'37.361" 148.9103782' 4,728' FEL N-29 Y=5,968,358.56 N 2940.80 70'19'17.383" 70.3214954' 43.9' 2,454' FSL X= 634,414.67 E 1001.65 148'54'36.729" 148.9102024' 4,703' FEL N-30 Y=5,968,087.24- N 2669.45 7019'14.716" 70.3207543' 43.7' • 2,183' FSL ' X= 634,412.16. E 999.92 148'54'36.944" 148.9102621' 4,712' FEL ' DRAWN: I CSS ,��1�,i CHECKED: ,�� {1 -.__ _ en �eert JZW •i N DRAIM8NC:/09/14 FRB14 WON 04 WOA - NPAD SHEET JOB NO AS-BUILT CONDUCTOR LOCATION 00 13/O9/14 ISSUED FOR INFORMATION as JZW1"=500' WELL N-28, N-29, & N-30 1 DF 1 NO. DATE REVISION BY ICHK Ferguson, Victoria L (DOA) From: Nocas, Noel <Noel.Nocas@bp.com> Sent: Tuesday, September 02, 2014 12:46 PM To: Ferguson, Victoria L (DOA) Subject: RE: N-30(PTD 214-124) Attachments: N-30 Diverter Plan 2.docx; N-30 Diverter Plan 2.pdf Sorry about that, Does this work? (attached—pdf,word doc, picture) rom ng and ; Non vourceo erspitad 22 Bend gft ' j i 4 Z2 Bend 104' 111 0{tK.-n urrti:l""M^TM ttR+l'Aly,44#1M.+49Br,1 1..ti`S.,r1.!., _. From: Ferguson, Victoria L (DOA) [ 'i!to:victoria.ferguson©alaska.gov] Sent: Tuesday, September 02, 2014 11:37 AM To: Nocas, Noel Subject: RE: N-30(PTD 214-124) Noel, I am unable to print the diverter plan with the diverter route/dimensions(don't show up). Could you please send this in a different format? Thanx, Victoria 1 From: Nocas, Noel [mailto:Noel.Nocas@bp.com] Sent: Tuesday, September 02, 2014 11:21 AM To: Ferguson, Victoria L(DOA) Subject: RE: N-30(PTD 214-124) Victoria, Please see attached. Please note that the distances are approximate.The current location of the second 22° bend is also approximate as rig up will be determined on site.This will not change the angle or total length on the line. For example, the second 22° bend may be located 50'from the rig, instead of 40'. Thanks, Noel From: Ferguson, Victoria L(DOA) [mailto:victoria.ferguson©alaska.gov] Sent:Tuesday, September 02, 2014 10:54 AM To: Nocas, Noel Subject: RE: N-30(PTD 214-124) Noel. The 90 degree angle in the diverter line is not acceptable. Please work with the rig to come up with a diverter layout that can only include an angle up to 22 degrees. Once determined please submit a diverter layout schematic labeled with dimensions for approval. Thanx, Victoria From: Nocas, Noel [mailto:Noel.Nocas©©bp.com] Sent:Tuesday, September 02, 2014 10:25 AM To: Ferguson, Victoria L(DOA) Subject: N-30(PTD 214-124) Victoria, I have attached the N-30 Diverter Layout with a better rig schematic and lengths detailing the layout. Per the AOGCC regulations: • Diameter of line will be at least 16" • Will have a remote operated annular pack-off and full opening knife valve. • The vent line will extend 75' from a potential source of ignition and the rig substructure • Will be as straight as possible to limit HSE risks regarding the entrance and exit to N-Pad, potential ignition sources, egress routes from the rig, and truck staging locations • All bends with a bend radius less than 20 times the inside diameter of the vent line will be targeted. Please let me know if you need anything else. Thanks, Noel Nocas 2 From: Ferguson, Victoria L(DOA) [mailto:victoria.fergusonCa alaska.gov] Sent: Friday, August 29, 2014 10:50 AM To: Rosenbaum,Jesse E; Nocas, Noel; Rose, John G (ASRC); Mammadov, Famil; Gorrell, John Cc: Lastufka, Joseph N Subject: PBU N-29(PTD 214-110);P-30(PTD 214-116); N-28(PTD 214-127); N-30(PTD 214-124);11-39(PTD 214-099) All, Please provide a detailed schematic of the diverter layout for these grassroots wells as well as anticipated spud dates. Thanx, Victoria Victoria Ferguson Senior Petroleum Engineer State of Alaska Oil&Gas Conservation Commission 333 W 7th Ave,Ste 100 Anchorage,AK 99501 Work (907)793-1247 victoria ferqusonalaska qov CONFIDENTIALITY NOTICE:This e-mail message,including any attachments,contains information from the Alaska Oil and Gas Conservation Commission(AOGCC),State of Alaska and is for the sole use of the intended recipient(s).It may contain confidential and/or privileged information.The unauthorized review,use or disclosure of such information may violate state or federal law.If you are an unintended recipient of this e-mail,please delete it,without first saving or forwarding it,and,so that the AOGCC is aware of the mistake in sending it to you,contact Victoria Ferguson at(907)793-1247 or Victoria.Ferauson@alaska.gov 3 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: ( 6 Ai .30 PTD: 2—I`T / ( /Development _Service Exploratory Stratigraphic Test Non-Conventional FIELD: /Ztegire...— POOL: riL(14,',-e..._ /IQ, l Check Box for Appropriate Letter/ Paragraphs to be Included in Transmittal Letter CHECK OPTIONS TEXT FOR APPROVAL LETTER MULTI LATERAL The permit is for a new wellbore segment of existing well Permit (If last two digits No. , API No. 50- - - - . in API number are Production should continue to be reported as a function of the original between 60-69) API number stated above. 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 Pilot Hole ( PH) and API number (50- - - - ) from records, data and logs acquired for well (name on permit). The permit is approved subject to full compliance with 20 AAC 25.055. Approval to produce / inject is contingent upon issuance of a Spacing Exception conservation order approving a spacing exception. (Company Name) Operator assumes the liability of any protest to the spacing exception that may occur. All dry ditch sample sets submitted to the AOGCC must be in no greater Dry Ditch Sample than 30' sample intervals from below the permafrost or from where samples are first caught and 10' sample intervals through target zones. Please note the following special condition of this permit: Production or production testing of coal bed methane is not allowed for Non-Conventional (name of well) until after (Company Name) has designed and Well implemented a water well testing program to provide baseline data on water quality and quantity. (Company Name) must contact the AOGCC to obtain advance approval of such water well testing program. Regulation 20 AAC 25.071(a) authorizes the AOGCC to specify types of well logs to be run. In addition to the well logging program proposed by (Company Name) in the attached application,the following well logs are Well Lo ,n also required for this well: gg g Requirements Per Statute AS 31.05.030(d)(2)(B) and Regulation 20 AAC 25.071, composite curves for well logs run must be submitted to the AOGCC within 90 days after completion, suspension or abandonment of this well. 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