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Home My WebLink About215-1137. Property Designation (Lease Number): 1. Operations Performed: 2. Operator Name: 3. Address: 4. Well Class Before Work:5. Permit to Drill Number: 6. API Number: 8. Well Name and Number: 9. Logs (List logs and submit electronic data per 20AAC25.071): 10. Field/Pool(s): Susp Well Insp Install Whipstock Mod Artificial Lift Perforate New Pool Perforate Plug Perforations Coiled Tubing Ops Other Stimulate Fracture Stimulate Alter Casing Pull Tubing Repair Well Other: Change Approved Program Operations shutdown 11. Present Well Condition Summary: Casing Length Size MD TVD Burst Collapse Exploratory Stratigraphic Development Service 14. Attachments (required per 20 AAC 25.070, 25.071, & 25.283) 16. Well Status after work: 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. OIL GAS WINJ WAG GINJ WDSPL GSTOR Suspended SPLUG Authorized Name and Digital Signature with Date: Authorized Title: Contact Name: Contact Email: Contact Phone: PBU 02-41 Hilcorp North Slope, LLC 3800 Centerpoint Dr, Suite 1400, Anchorage, AK 99503 215-113 50-029-23547-00-00 13104 Conductor Surface Intermediate Production Liner 9036 80 3501 9228 4919 11699 20" 9-5/8" 7" 4-1/2" 9006 47 - 127 47 - 3548 45 - 9273 8953 - 13102 47 - 127 47 - 3403 45 - 8447 8157 - 9036 None 3090 5410 7500 11699 5750 7240 8430 10032 - 13008 4-1/2" 12.6# 13cr85 43 - 8958 8989 - 9034 Structural 4-1/2" HES TNT Perm Packer 8831 8048 Bo York Operations Manager Dave Bjork david.bjork@hilcorp.com 907.564.4672 PRUDHOE BAY, PRUDHOE OIL Total Depth Effective Depth measured true vertical feet feet feet feet measured true vertical measured measured feet feet feet feet measured true vertical Plugs Junk Packer Measured depth True Vertical depth feet feet Perforation depth Tubing (size, grade, measured and true vertical depth) Packers and SSSV (type, measured and true vertical depth) 12. Stimulation or cement squeeze summary: Intervals treated (measured): Treatment descriptions including volumes used and final pressure: 13a.Representative Daily Average Production or Injection Data Oil -Bbl Gas-Mcf Water -Bbl Casing Pressure Tubing Pressure Prior to well operation: Subsequent to operation: 15. Well Class after work: Exploratory Development Service StratigraphicDaily Report of Well Operations Copies of Logs and Surveys Run Electronic Fracture Stimulation Data Sundry Number or N/A if C.O. Exempt: ADL 0028308, 0028311 43 - 8162 N/A N/A 600 760 56360 47283 76 70 1382 1280 842 806 N/A 13b. Pools active after work:PRUDHOE OIL No SSSV Installed 8831, 8048 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION REPORT OF SUNDRY WELL OPERATIONS Sr Pet Eng: Sr Pet Geo: Form 10-404 Revised 10/2022 Submit in PDF format to aogcc.permitting@alaska.gov Sr Res Eng: Due Within 30 days of Operations By Grace Christianson at 1:50 pm, Jun 04, 2025 Digitally signed by Bo York (1248) DN: cn=Bo York (1248) Date: 2025.06.04 12:27:57 - 08'00' Bo York (1248) DSR-6/18/25JJL 6/13/25 ACTIVITY DATE SUMMARY 5/19/2025 TFS Unit 1. Per Pad Op, TBG Freeze Protect Not Required. Pumped 4 BBLS 60/40 and 140 BBLS of Crude to Freeze Protect 02-41 Flowline. Pressured FL to 1500 psi per Pad Op. Flags and Tags hung on Wing Valve upon Departure. 5/20/2025 ***WELL SI ON ARRIVAL*** (TRACTOR PLUG, AND PERF) PT 250/3000 PSI FUNCTION TEST WLVS THUNDERBIRD LOAD AND KILL THEN FREEZE PROTECT BEFORE RIH. LOG CORRELATED TO BP EXPLORATION PDCL DATED 03-DEC-2015 RUN NS 450-350 CIBP TO SET MID ELEMENT AT 11700' CCL STOP: 11689' CCL - ME: 11' TOP OF PLUG: 11699' LAYDOWN FOR NIGHT. NIGHT CAP ON WLVS. ***JOB CONTINUED ON 21-MAY-2025*** 5/20/2025 T/I/OA= 2500/800/0 Assist E-Line (Load and Kill) Pumped 5bbls 50/50 downTBG followed by 200bbls KCL to Load and Kill. Further pumped 38 bbls 50/50 to FreezeProtect TBG. E-Line in control of well upon departure. EWHP=0/800/0 5/21/2025 ***JOB CONTINUED FROM 20-MAY-2025*** (TRACTOR PERF) PT: 250/3000 PSI LOG CORRELATED TO BP EXPLORATION PDCL DATED 03-DEC-2015 RIH. HEAD (8X2 1" FN)/TRACTOR/GUN GAMMA/30' 2.75" HSD (6SPF 60DEG). OAL: 65' WEIGHT: 600# MAX OD: 3.125" PERFORATE (11492-11522) CCL STOP DEPTH=-11484.2 (CCL-TS=7.8' JOB COMPLETE ***WELL SHUT IN ON DEPARTURE*** Daily Report of Well Operations PBU 02-41 Operator Name:2. Development Exploratory Service 5 Permit to Drill Number:215-113 6.50-029-23547-00-00 PRUDHOE BAY, PRUDHOE OIL BP Exploration (Alaska), Inc 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 13104 13015 9035 8831 None None 8048 Casing: Length: Size: MD: TVD: Burst: Collapse: Structural Conductor 79 20" 48 - 127 48 - 127 Surface 3501 9-5/8" 47 - 3548 47 - 3403 5750 3090 Intermediate 9228 7" 45 - 9273 45 - 8447 7240 5410 Production Perforation Depth: Measured depth: 10032 - 13008 feet True vertical depth:8989 - 9034 feet Tubing (size, grade, measured and true vertical depth)4-1/2" 12.6# 13Cr85 43 - 8958 43 - 8162 8831 8048Packers and SSSV (type, measured and true vertical depth) 4-1/2" HES TNT Perm Packer Liner 4919 4-1/2" 8953 - 13102 8157 - 9036 12. Stimulation or cement squeeze summary: Intervals treated (measured): Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure 835167554299 7729422 1851 26894 2097 892 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: Oestgaard, Finn Finn.Oestgaard@bp.com Authorized Name:Oestgaard, Finn Authorized Title: Authorized Signature with Date:Contact Phone:+1 907 564 5026 Treatment descriptions including volumes used and final pressure: 13. Production Engineer Challenger 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 measured9036 Sundry Number or N/A if C.O. Exempt: N/A No SSSV Installed Junk Packer Printed and Electronic Fracture Stimulation Data 5 Operations shutdown Change Approved Program 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: P.O. Box 196612 Anchorage, AK 99519-6612 7.Property Designation (Lease Number):ADL 028311 PBU 02-41 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 Finn Oestgaard Digitally signed by Finn Oestgaard Date: 2020.04.13 14:41:24 -08'00' By Samantha Carlisle at 3:11 pm, Apr 13, 2020 RBDMS HEW 4/13/2020 MGR13APR20 DSR-4/13/2020 ACTIVITYDATE SUMMARY 3/17/2020 ***WELL SHUT IN ON ARRIVAL*** HES E-LINE 4863 WAIT ON WIND AND CRANE BEFORE RIGGING UP ***CONTINUED ON 03/18/2020*** 3/18/2020 ***JOB CONTINUED FROM 03/17/2020*** PERFORATE 10,032'-10,037' WITH 2.75" HSC, 15G MILLENIUM CHARGES, 6SPF, 60 DEG PHASING. CORRELATED TO REFERENCE LOG BP PDCL 03-DEC-15. RIG DOWN DELAYED DUE TO WINDS ***JOB CONTINUED ON 3/19/20*** 3/19/2020 ****JOB CONTINUED FROM 3/18/2020***(adperf) CONTINUE RIG DOWN. ***WELL SHUT IN ON DEPARTURE,NOTIFY DSO*** Daily Report of Well Operations PBU 02-41 Operator Name:2. Exploratory Development Service 5 Permit to Drill Number:215-113 6.API Number:50-029-23547-00-00 PRUDHOE BAY, PRUDHOE OIL BP Exploration (Alaska), Inc 5. Field/Pools:9. Well Name and Number: ADL 028311 Property Designation (Lease Number):10. CO 341H 8. PBU 02-41 7.If perforating: What Regulation or Conservation Order governs well spacing in this pool? Will planned perforations require a spacing exception? Stratigraphic Current Well Class:4. Type of Request:1.Abandon Plug Perforations Fracture Stimulate Repair Well Operations shutdown Op Shutdown GAS GSTORWAG SPLUG Abandoned Oil 5 WINJ Exploratory Development 5StratigraphicService WDSPL 12. Attachments: PRESENT WELL CONDITION SUMMARY 13104 Effective Depth MD: 13Cr85 11. May 15, 2020 Commission Representative: 15. Suspended Contact Name: Mclaughlin, Sean M Contact Email: Sean.McLaughlin@bp.com Authorized Name:Allen, Kenneth W Authorized Title:Engineering Team Lead Authorized Signature: Plug Integrity BOP Test Mechanical Integrity Test Location Clearance Other: Yes No Spacing Exception Required?Subsequent Form Required: Approved by:COMMISSIONER APPROVED BYTHE COMMISSION Date: 5OtherAlter Casing Pull Tubing Conditions of approval: Notify Commission so that a representative may witness Sundry Number: COMMISSION USE ONLY 17. I hereby certify that the foregoing is true and the procedure approved herein will not be deviated from without prior written approval. Detailed Operations Program Packers and SSSV Type: No SSSV Installed Packers and SSSV MD (ft) and TVD (ft): Perforation Depth MD (ft):Tubing Size: Size Total Depth MD (ft):Total Depth TVD(ft): 9036 Effective Depth TVD:Plugs (MD):Junk (MD): Other Stimulate Re-enter Susp Well Suspend Plug for Redrill 5Perforate Perforate New Pool 8831 / 8048 No SSSV Installed Date: Liner 4919 4-1/2"8953 - 13102 8157 - 9036 Well Status after proposed work: 16. Verbal Approval: 5 Change Approved Program 47 - 3548 47 - 3403 14. Estimated Date for Commencing Operations: BOP Sketch 48 - 127 Structural 7240 Proposal Summary 13. Well Class after proposed work: 4-1/2" HES TNT Perm Packer 12888 - 13008 9035 - 9034 4-1/2" 12.6#43 - 8958 Production 13015 9035 None None 48 - 127 9-5/8" 7" Contact Phone: Date: 5410 79 20"Conductor 3090 GINJ 5 Post Initial Injection MIT Req'd? Yes No 5 Comm. STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION APPLICATION FOR SUNDRY APPROVALS 20 AAC 25.280 Surface 3501 5750 Intermediate 9228 45 - 9273 45 - 8447 Address:P.O. Box 196612 Anchorage, AK 99519-6612 3. No 5Yes Casing Length MD TVD Burst Tubing Grade:Tubing MD (ft):Perforation Depth TVD (ft): Collapse MPSP (psi): Wellbore Schematic 2370 Comm.Sr Pet Eng Sr Pet Geo Sr Res Eng Form 10-403 Revised 03/2020 Approved application is valid for 12 months from the date of approval. $,&'/LQHUZ6ZHOO 3DFNHUV By Jody Colombie at 12:17 pm, Mar 20, 2020 320-128 Kenneth Allen Digitally signed by Kenneth Allen Date: 2020.03.20 10:12:48 -08'00' ADL0028308 (DLB) BOPE test to 3500 psi DLB 3/20/20 MGR20MAR20 10-404 DSR-3/24/2020 X dts 03/26/2020 3/26/2020 To: Alaska Oil & Gas Conservation Commission From: Sean McLaughlin CTD Engineer Date: March 19, 2020 Re: 02-41 Sundry Approval Request Sundry approval is requested to re-complete 02-41 with new perforations and Automated Inflow Control Device (AICD)/Swell packer completion inside the 4-1/2” Liner. History of 02-41: 02-41 is an October 2015 grassroots rotary sidetrack, drilled to target Zone 2A and Zone 2Bl in Southwestern DS-02. The well was initially perforated in the toe Z2Bl with 120'. Considering that the well has ~2,800' of 4-1/2" lateral which is currently not perforated it stands out as an ideal candidate to progress AICD's in an attempt to boost production and minimize premature gas breakthrough. Proposed plan for 02-41: This recomplete aims to add 220' of perforations across Z2Bl and Z2A in 5 intervals and install 40 AICD's to allow access to the remaining perforation stages of the well. Perforations were selected with a minimum of 120' of blank space between to allow the running of dual swell packers in addition to the AICD subs between perf "stages". The intent of running redundant swell packers will ideally prevent unwanted communication between perf intervals in the 2-3/8" x 4-1/2" liner annulus. The AICD's will allow all of the perforations to flow without the additional risk of premature gas conning in the well which would prevent the toe perfs from flowing competitively. The following describes the work planned and is submitted as an attachment to Form 10-403. A schematic diagram of the current well and proposed completion is attached for reference. Pre-Rig Work 1. SL Set Dummy GLV’s and PT 2. F MIT-IA to 3500 psi 1. V Pre-CTD Tree work and pad prep Rig Work (scheduled to begin May 15th, 2020) 1. MIRU and test BOPE 250 psi low and 3,500 psi high (MASP: 2370psi) 2. Perforate ~220’ MD with 2-7/8” perf guns, 6 SPF, random, 60° phasing* 3. Perform 4-1/2” liner clean out run 4. Run 2-3/8” 13Cr, AICD/Swell Packer liner inside 4-1/2” liner 5. Freeze protect well to a min 2,200' TVDss. 6. Close in tree, RDMO. *Proposed perforation intervals: Feet 10,208' 10,228' 20' 10,805' 10,865' 60' 11,025' 11,085' 60' 11,245' 11,305' 60' 11,490' 11,510' 20' Depths (from - to) 24 hour notice to AOGCC to witness Post-Rig Work: 1. V: Valve & tree work 2. S: Set 45KB + PTSA LTP, install generic GLVs 3. T: Portable test separator flowback. Sean McLaughlin CC: Well File CTD Engineer Joe Lastufka 223-6784 AICD Swell packer Perforation Bottom of liner ~11,650' Top of liner ~10,092' 2-3/8" 13Cr HYD511, w/ Blast joints across the preforation interval Proposed Pre-rig add perfs 10,032'-10,037' Well Bighole Date Quick Test Sub to Otis -1.1 ft Top of 7" Otis 0.0 ft Distances from top of riser Excluding quick-test sub Top of Annular 6.0 ft Top of Annular Element 6.7 ft Bottom Annular 8.0 ft CL Blind/Shears 9.3 ft CL 2-3/8" Pipe/Slips 10.1 ft B1 B2 B3 B4 Choke Line Kill Line CL 2-3/8" x 3-1/2" VBRs 12.6 ft CL 2-3/8" Pipe/Slips 13.4 ft CL of Top Swab 16.0 ft Swab Test Pump Hose T1 T2 Swab 1 CL of Flow Cross 17.4 ft Master CL of Master 18.8 ft LDS IA OA LDS Ground Level CDR2-AC 4 Ram BOP Schematic 21-Nov-17 CDR2 Rig's Drip Pan 7-1/16" 5k Flange X 7" Otis Box Hydril 7 1/16" Annular 2-3/8" Pipe/Slips 7-1/16" 5k Mud Cross 2-3/8"Pipe/Slips Blind/Shear 7-1/16" 5 Mud Cross 2-3/8" x 3-1/2" VBRs Baker S PRINT Hughes COMPANY BP Exploration Alaska Inc. WELL NAME FIELD Prudhoe Bay Unit COUNTY North Slope BHI DISTRICT Alaska AUTHORIZED BY Dirk Zeijlemaker EMAIL Dirk zeiilemakergbakerhuohes com STATUS Final COMPANY 2151 13 31924 DISTRIBUTION LIST Please sign and return one copy of this transmittal form to: BP Exploration (Alaska) Inc. Petrotechnical Data Center, 1-112-1 900 E. Benson Blvd. Anchorage, Alaska 99508 or AKGDMINTERNAL@bp.com to acknowledge receipt of this data. LOG TYPE RPM:PNC3D LOG DATE November 30, 2019 TODAYS DATE January 12, 2020 Revision Replacement: No Details: Nev. Requested by: --- ADDRESS (FEDEX WILL NOT DELIVER TO P.O. BOX) PERSON ATTENTION V 1 BP North Slope. '. EOA, PBOC, PRB-20 (Office 109) D&C Wells Project Aids Agatha Bulks & Barbara Glassmaker .900 E. Benson Blvd. Anchorage, Alaska 99508 2 ConocoPhillips Alaska Inc. Attn: Ricky Elgarico ATO 3-344 1.700 G Street Anchorage, AK 99501 3 ExxonMobil, Alaska Ann: Lynda M. Yaskell and/or Lisa Boggs X3201 C Street, Suite 505 Anchorage, AK 99503 4:State of Alaska - AOGCC Attn: Natural Resources Technician 11 '333 W. 7th Ave, Suite 100 Anchorage, Alaska 99501 R - Division of Oil & Gas **' is Garret Brown West 7th Avenue, Suite 1100 horage, Alaska 99501 BP Exploration (Alaska) Inc. Petrotechnical Data Center, LR2-1 900 E. Benson Blvd. Anchorage, Alaska 99508 Attn: David litter TOTALS FOR THIS PAGE: FIELD/ FINAL CD/DVD FINAL PRELIM LOGS (las, dlis, PDF, META, SURVEY REPORT LOGS CGM, Final Surveys) (Compass) # OF PRINTS # OF COPIES I# OF COPIES # OF COPIES V JJ JJ 0 M 0 1 4 0 0 • • o 1 . . 1 ,c) OO E E N 9 ,r O) Z. 8' M ri n U • O • O m O Tr'e Z •_ LD m m m ml O c N J a) J M a ,_n— ,n a N LI 9 5 co N D N O H -, H O CNJ CD ~ O N u_ N ❑ c ❑ = 6 N f '', a) OJ a) 7I O O 0 OI Z ai N FI 0 Ff Z 7 m 71 m c ol 71 oI c oI = CO a JI o JI aa)) Y. t/) c Q O c- ° U ° >- c E 2 2 i Q rn co o a)co UI UI o UIU� UIQ m ° ml �I ml UI C ii tnl U� .. in< v UI v < v a w it UI v • 0 v 0 J o in0Z W00. 21=NOZ Noa NOZ O= i • o o o • w o 0 o -o 'o r • r Z n o o > o v N. o o E o co 0. 0 x 0 0 ro C.') 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O c o o O o) o co C r co Oa N • M o w U o J N cu Q aet CV b33 Hco o _Z 0 V) 5 = N 16 COQ (h . W m O Cl) O m C6 V O ca ❑ 0) Q CL • 0 Q 6 n Z d 0 Nn c c E co co Z co @ Co Co 06 (o co Ca CO CO N @ (6 @ N CO 0 0 0 0 0 0 ❑ ❑ ❑ N 0 0 0 rn o m co co m m CO CO co 2 m m m I c mcom m m m mmm o mmm o ❑ ❑ ❑ ❑ ❑ ❑ J ❑ ❑ ❑ J C 0o ❑ M > M CO CO CO CO ('7 ) C) C., C) CO CO (O CO w w O CO O CO CO CO (O (O (O (O CO CO CO CO c V 7 V V V V V V - O O O o w co co co co Co co CO (D CO o O r C` r t` c N N N N N N N N N N N N N N N W N Q N d. E E Z v ca O o coZ H o m • c £ o 0¢ a2wwwwww ❑ ww ww wo 3 z W i 0 oO - )t ! ,-i" n T Tr N N as N U w 0 4 Q76 an N < i- 0) m O p_ o Z t t O a 0 n. m ' Q 2 a) o o U , U O 71 Zc 'b�'� m (,) J a3 N G ce Q N LL N p 0 Z m co Li O U co W aS IX o °' `° O. it E Wx N uS 0 w _1m 0) a O. • p E _1 E`� zO vii 00Q m Cl) _, Q c I J a) • w Q Om O 2 0 0 ii CO o O N a U 0 04 C w Z } � E 0 Q` 71. o o enei r N @ V O _in E Z O ,O D m c N cu Q M O ▪ ca EP. CO m o o ~ E ...m.._ c Cl) ILI O a) c V/ Q a3 U a7 C Q • O C o ill Qre -7- @ O @ ca n a) o c Q ICE o• o .2 • U o i J E : ° : ° Zin ind o 0 N N O }O M _ O O C O01 In ~ E a 0 t O N c a N _ O m a) w - W m X ct D .OS _ , o w C mOc Z c ca O w IV O o o Q o O C UC . rnQ U J , 0 ' a) 7d - am O£ Q 0 E o 2 E ay I E E ¢• o o o 21 51 13 OP 27066 6 WELL LOG TRANSMITTAL#903017791 To: Alaska Oil and Gas Conservation Comm. April 19, 2016 Attn.: Makana Bender 333 West 7th Avenue, Suite 100 RELfLoVET, U14 LOGGED BENDER g MK. Anchorage, Alaska 99501 `� .BENDER NFR 29 2016 . RE: CAST/CBL-M Log, Version 2: 02-41OGC Run Date: 1/9/2016 The technical data listed below is being submitted herewith. Please address any problems or concerns to the attention of: Chris Gullett, Halliburton Wireline &Perforating, 6900 Arctic Blvd., Anchorage, AK 99518 02-41 Digital Log Image files 1 CD Rom 50-029-23547-00 CAST/CBL-M Log, Version 2 1 Color Log 50-029-23547-00 PLEASE ACKNOWLEDGE RECEIPT BY SIGNING AND RETURNING A COPY OF THE TRANSMITTAL LETTER TO THE ATTENTION OF: Halliburton Wireline & Perforating Attn: Chris Gullett 6900 Arctic Blvd. Anchorage, Alaska 99518 Office: 907-273-3527 Fax: 907-273-3535 FRS_ANC@halliburton.com Date: Signed: D�✓a � v '' /`��' 12/17/2015 PBU 02-41/PTD#215-113 PBU 02-41 / PTD # 215-113 Lastufka, Joseph N [Joseph.Lastufka@bp.com] Sent:Wednesday, December 16, 2015 5:22 PM To: AOGCC Reporting (DOA sponsored) Hello, RECEIVED DEC 1 7 2015 Please reference the following well: AOGCC OGCC Well Name: PBU 02-41 t-� la V Permit #: 215-113 API #: 50-029-23547-00-00 Date of Test: 12/7/15 Type of Test: IPT (Initial Production Test) Choke Size: 84 Choke Unit: Production Method: Flowing Duration (Hours Tested): 12 Top Reference (Top Perf MD): 12888' Bottom Reference (Bottom Perf MD): 13008' Tubing Flowing (Pressure): 1120 Casing Pressure: 1480 cTotal Test (Rate f/ 0, G, W): 2258 / 16405/ 0 24-Hour Rate (0, G, W): 1129 / 8203 / 0 Gravity (Oil, API): Not Available GOR (Gas-Oil Ratio): 7265 This well began Production on Method of Operations on this date: December 7, 2015 https://webmai Ia.alaska.gov/owa/?ae=Item&t=IPM.Note&id=RgAAAABKLne2zgP4SoM kepOhCxbSBw BU vQ964rj QTgYgn3632GdIAAAAhhLyAABU vQ964rjQT... 1/1 RECEIVLW STATE OF ALASKA WELLWLASKA OIL AND GAS CONSERVATION COMMI NOV 3 0 2015 MPLETION OR RECOMPLETION REPAND LOG 1a. Well Status: Oil M ' Gas ❑ SPLUG ❑ Other ❑ Abandoned 0 Suspended ❑ lb.Well Clas"9: C 20AAC 25.105 20AAC 25.110 Development p Exploratory 0 GINJ ❑ WINJ 0 WAG ❑ WDSPL ❑ No.of Completions: One • Service ❑ Stratigraphic Test ❑ 2. Operator Name: 6. Date Comp.,Susp.,or Aband.: 14.Permit to Drill Number/Sundry BP Exploration(Alaska),Inc . 10/31/2015 . 215-113 3. Address: 7. Date Spudded: 15' API Number: P.O.Box 196612 Anchorage,AK 99519-6612 •9/21/2015 •50-029-23547-00-00 4a. Location of Well(Governmental Section): 8. Date TD Reached: 16. Well Name and Number: =10/10/2015 'PBU 02-41 - Surface: 5244'FSL,4527'FEL,Sec.36,T11N,R14E,UM ^ 9 Ref Elevations KB 78 95 17. Field/Pool(s): Top of Productive Interval: 1855'FSL,943'FEL,Sec.35,T11 N,R14E,UM GL 31.8 BF 33.65 PRUDHOE BAY,PRUDHOE OIL . Total Depth: 700'FNL,2911'FEL,Sec.02,T10N,R14E,UM 10. Plug Back Depth(MD/TVD): 18. Property Designation: 13009'/9034' ADL 028308.8 028311 4b. 4b.Location of Well(State Base Plane Coordinates,NAD 27): 11. Total Depth(MD/TVD): 19. Land Use Permit: Surface:x- 687480 y- 5951162 Zone - ASP 4 ^• 13104'/9036' - 74-017 TPI: x- 685872 y- 5947733 Zone - ASP 4 12. SSSV Depth(MD/TVD): 20 Thickness of Permafrost MD/TVD: Total Depth:x- 683969 y- 5945130 Zone - ASP 4 None 1974'/1926' 5. Directional or Inclination Survey: Yes fl (attached) No ❑ 13. Water Deoth.if Offshore: 21. Re-drill/Lateral Top Window MD/TVD: Submit electronic and printed information per 20 AAC 25.050 N/A (ft MSL) ' N/A 22. Logs Obtained List all logs run and,pursuant to AS 31.05.030 and 20 AAC 25.071,submit all electronic data and printed logs within 90 days of completion, suspension,or abandonment,whichever occurs first.Types of logs to be listed include,but are not limited to:mud log,spontaneous potential,gamma ray,caliper, resistivity,porosity,magnetic resonance,dipmeter,formation tester,temperature,cement evaluation,casing collar locator,jewelry,and perforation record. Acronyms may be used.Attach a separate page if necessary MWD/GR,MWD/GR/RES,USIT,MWD/GR/RES/DEN/NEU 23. CASING,LINER AND CEMENTING RECORD CASING WT.PER GRADE SETTING DEPTH MD SETTING DEPTH TVD HOLE SIZE CEMENTING RECORD AMOUNT FT. PULLED TOP BOTTOM TOP BOTTOM 20" 91.5# A-53 48' 127' 48' 127' 42" 260 sx Arctic Set(Approx.) 9-5/8" 40# L-80 47' 3548' 47' 3403' 12-1/4" 1879x LiteCrete,426sx Class'G' 7" 26# L-80 45' 9273' 45' 8447' 9-1/2" 391 sxClass'G' 4-1/2" 12.6# 13Cr55 8953' 13102' 8158' 9036' 6-1/8" 403 sx Class'G' 24. Open to production or injection? Yes IZI No ❑ 25. TUBING RECORD If Yes,list each interval open(MD/TVD of Top and Bottom;Perforation GRADE DEPTH SET(MD) PACKER SET(MD/TV Size and Number): 4-1/2"12.6#13Cr85 8958' 8831'/8048' 2-7/8"Gun Diameter,6 spf 12888'-12918' 9035'-9035' 12918'-12948' 9035'-9034' 26. ACID,FRACTURE,CEMENT SQUEEZE,ETC. 12948'-12978' 9034'-9034' 12978'-13008' 9034'-9034' Was hydraulic fracturing used during completion? Yes ❑ No 0 • Per 20 AAC 25.283(i)(2)attach electronic and printed information DEPTH INTERVAL(MD) AMOUNT AND KIND OF MATERIAL USED 2000' Freeze Protect w/74 Bbls Diesel 27. PRODUCTION TEST Date First Production: Not on Production Method of Operation(Flowing,gas lift,etc.):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(torr): Press 24 Hour Rate m'0^ Form 10-407 Revised 11/2015 CONTINUED ON PAGE 2 Submit ORIGINAL only 12 2k f/` / RBDMSDEC 0 1 2015 ,,3%b s-3.16, G 28. CORE DATA • Conventional Core(s) Yes 0 No 0 • Sidewall Cores Yes 0 No E 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 25.071. 29. GEOLOGIC MARKERS(List all formations and markers encountered): 30. FORMATION TESTS NAME MD TVD Permafrost-Top 31' 31' Well Tested? Yes ❑ No lI Permafrost-Base 2005' 1957' If yes,list intervals and formations tested,briefly summarizing test results.Attach Top of Productive Interval 9851' gggg separate sheets to this form,if needed,and submit detailed test information per 20 AAC 25.071. Ugnu 4851' 4638' West Sak 6380' 5970' Colville Mudstone 6889' 6405' HRZ 8728' 7956' Base HRZ 8957' 8161' Put River 9059' 8253' Base Put River/LCU/Kingak 9100' 8290' Sag River 9277' 8450' Shublik A 9321' 8489' Shublik B 9345' 8510' Shublik C 9365' 8527' Sadlerochit-Zone 4 9404' 8561' 42SB-Zone 4A 9569' 8689' CGL-Zone 3 9647' 8745' Base of CGL-Zone 2C 9770' 8833' 23SB-ZONE 2B 9851' 8888' 21TS-Zone 2A 10038' 8992' Zone 1B 10218' 9056' 21TS-Zone 2A(Invert) 10685' 9056' 23SB-Zone 28 11492' 9013' Formation at total depth: Zone 2B(From Base) 11492' 9013' 31. List of Attachments: Summary of Daily Drilling Reports,Summary of Post-Rig Work,LOT/FIT Summary,Well Schematic Diagram,Survey,Cement Reports,As-Built Information to be attached includes,but is not limited to:summary of daily operations,wellbore schematic,directional or inclination survey,core analysis,paleontological report,production or well test results,per 20 AAC 25.070. 32.I hereby certify that the foregoing is true and correct to the best of my knowledge. Contact: Kosaka,Takahiro Email: Takahiro.Kosaka@bp.com Printed Name: Joe Lastuf Title: Drilling Technologist Signature: Phone: +1 907 564 4091 Date: (t/ 0/1,5 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. All laboratory analytical reports regarding samples or tests from a well must be submitted to the AOGCC,no matter when the analyses are conducted. Item 1 a. 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 1 b.Well Class Service wells:Gas Injection,Water Injection,Water-Alternating-Gas Injection,Salt Water Disp,Water Supply for Injection,Observation or Other. Item 4b.TPI(Top of Producing Interval). Item 9. The Kelly Bushing and Ground Level elevations 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 15.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 29. Item 22.Review the reporting requirements of 20 AAC 25.071 and,pursuant to AS 31.05.030,submit all electronic data and printed logs within 90 days of completion,suspension,or abandonment,whichever occurs first. Item 23.Attached supplemental records 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. Item 31.Pursuant to 20 AAC 25.070,attach to this form:well schematic diagram,summary of daily well operations,directional or inclination survey,and other tests as required including,but not limited to:core analysis,paleontological report,production or well test results. Form 10-407 Revised 11/2015 Submit ORIGINAL Only U r TREE= 4-1/16"CM/ • VVEU0 2-4 1_HEAD= FMC SA NOTES: WELL ANGLE>70'@ 10144'*** ACTUATOR:. BAKER C MAX DOGLEG:13'@ 11973'-*CHROME TBG&LNR OKB.ELEV= 78.95' I BF.REV= 34.02' KOP= ' 20"INSULATED - 127' Max Angle= 98'@ 11311' iciDtsuuclOR I I I 2215'j--14-1/2"HES X NP,13=3_813" Datum MD= 9837' 91.5#,A-53, Datum TVD= 8800'SS 0=19.124" GAS UFT MANDRELS ST M3 TVD DEV TYPE VLV LATCH SIZE DATE 9-5/8"CSG,40#,L-80 BTC,D=8.835" —I 3548' ____ Minimum ID = 3.726" @ 8941' 46 63887129 63913658 3219 k8G_KEIG-22 DOE: BBKK 1 0/ 06 110/113/8/1165 4-1/2" HES XN NIPPLE 5 6005 5655 34 KBG-2 SO BK 20 10/18/15 3 7613 7008 34 KBG-2 C1MY BK 0 10/13/15 2 8188 7492 33 KBG-2 DAV BK 0 10/13/15 1 8680 7914 28 KBG-2 OW BK 0 10/13/15 ESTINIATED TOP OF CEMENT(10/05/15) H -7310' —' R r 8800' j--14-1/2"HES X NP,13= 1 .. . I I L't"*.: ,.... ... :t,.4... ...,,...-,4c . .' 8831' Hr x 4-1/2"FES TNT PKR,ID=3.856" ...r4, 8868' —14-1/2"HES X NIP,D=3.813' I I - I I 8941' H4-1/2"HES XN NP,0=3.725" Noo 1-,,7 TOP OF 4-1/2"LNR H 8953' rr).e.t' / \ ;..- 8953' r x 4-1/2"V ERSAFLEX HGR w ftiEBACK :44,... SLV,ID=3.920" 4-1/2"TBG 12.6#,13CR45 VAM TOP, H 8958 8958' —4Tiii"WLEG,ID=3.958' .0152 bpf,D •=3.958" r 41 4I - t*4.-t'' *,*' 8962' —amo u LOGGED CTU FDS 7'CSG,26#,L-80 VAM TOP HC/BTC-M, H 9273' ;1‘414.:4 lAgt 'f, CR/CCL(10/29/15) .0383'bpf,ID=6276" `*'.42 t:"..A•"... 1---1,• , PERFORATION SUMMARY , REF LOG: BKR RES/GR ON 10/10/15 ANGLE AT TOP PHRF: 91°@12888' tit Note:Refer to Roducbon DB for historical perf data SIZE SPF NTERVAL Cpn/Sgz SHOT SQZ ' .4'. 10552 --14-1/2"RA RP JOINT 2-7/8'' 6 12888-13008 0 10/31/15 Oli•*', * *.' ,,...."4.4 '.., . ,t; - .‘*:.. %P'* K , 11555' H4-1/2"RA PIP JONI -- ELMO PBTD H 13009' 1 PSTD — 13015' 4-1/2"LNR,12.6#,13CR-85 VAM TOP, H 13102' .0152 bpf,D=3.958" DATE REV BY COMMENTS - DATE REV BY COMMENTS PRUDHOE BAY WIT 10/14/15 P-272 ORIGINAL COMPLETION 11/23/15 RRW/JMIC ADPERFS(10/31/15) VV'ELL:t2-41 10/15/15 ND UPDATED RL PER TALLIES FROM RIG FERMI No: '2151130 10/16/15 JMJ MINOR EDITS FROM RIG AR No: 50-029-23547-00 10/20/15 JKITLH GLV C/O(10/18/15) SEC 36,T11N,R14E,36'FNL&753'F9 10/29/15 JM) DRLG HO CORRECTIONS 11/03/15 TKOND FINAL OCE APPROVAL BP Exploration(Alaska)k a) 11 _ I icoSEC SEC 26 �` 25 32 ■ a o 02-41+ ScETION UNE d O I O 18 . fC 25 �o 30 ■ SEC 36 TH ,,,,, _ _ S PROJECT _ p„ _ _ _ � . ,,,, .\ 28 ■ 1 .. 16 ■ 27 ■ �,.. 15 ■ :* 35 D.S. 2 SEC 14 r SEC 36 33 ■ 1 13 • 1 CID ■ 31 . ■ 36 VICINITY MAP 12 • � •1 A■ 37 N.T.S. 35 • ■ 38 ��'1��tr��till� 11 • • 39 �,��'� °0 F ,1 1i 10 a ■ 29A +r ■ 3 r is tr. .1,0•40400000011 °°90.00.°9s s r ■ 4 = .. Richo + ' iison ; • 0 , BPAMERICA % Ii,% .7';',4,'''',/ii' � , LOT i FIT Summary ,, Well Name: 02-41 j Surface Leak Off Test Test Test Depth Test Depth AMW Pressure Pressure EMW Date Type (TMD-Ft) (TVD-Ft) (ppg) (psi) (BHP)(psi) (ppg) 09/27/15 LOT 3,548.00 3,403.00 9.90 1,010.00 2,760.12 15.61 10/06/15 FIT 9,273.00 8,438.98 8.60 875.00 4,645.15 10.60 Page 1 of 1 • 410 North America-ALASKA-BP Page 1 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UVM:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task ' Code NPT NPT Depth Phase Description of Operations (hr) (usft) 9/19/2015 06:00 - 07:30 1.50 RIGD P PRE SKID FLOOR -FILL OUT PRE SKID CHECK LIST -MOVE HONCH TO RIG MOVE POSITION SIMOPS: -RIG DOWN MUD MOD INTERCONNECTS 07:30 - 08:30 1.00 RIGD P PRE LAY DERRICK OVER -PERFROM CHECKLIST PRIOR TO LAYING OVER DERRICK -MAX WEIGHT 378K 08:30 - 13:00 4.50 RIGD P PRE RIG DOWN INTERCONNECTS AND SEPARATE MODULES -STAGE MODULES ON DS07 AND PREPARE TO MOVE TO DS02 13:00 - 16:00 3.00 MOB P PRE MOVE UTILITY MOD,MUD MOD,AND DRILL MOD SIMULTANEOUSLY FROM DS07 TO DS02 16:00 - 17:00 1.00 MOB P PRE STAGE MODULES ON EAST SIDE OF DS02 17:00 - 21:30 4.50 MOB P PRE SPREAD 2 LOADS OF GRAVEL ON RIG MATS OF BANKED TURN ON 0802 DUE TO ICE BUILD UP FROM FREEZING RAIN EARLIER IN THE DAY SIMOPS: -HOIST RISER SECTIONS INTO BOP DECK 21:30 - 00:00 2.50 MOB P PRE MOVE MUD MOD AND DRILL MOD TO WEST SIDE OF PAD NEXT TO WELL41 -STAGE MUD MOD CLOSE TO WELL 41 -SPOT DRILL MOD OVER WELL 41 9/20/2015 00:00 - 03:00 3.00 MOB P PRE MOVE UTILITY MOD TO EAST SIDE OF DS02 -SPOD MUD MOD AND UTILITY MOD NEXT TO DRILL MOD 03:00 - 05:30 2.50 RIGU P PRE RIG UP ELECTRICAL AND FLUID INTERCONNECTS BETWEEN MUD MOD, UTILITY MOD AND DRILL MOD -RIG UP MUD LINES -RAISE DRIVERS CABS 05:30 - 06:30 1.00 RIGU P PRE RESPOOL DRILLING LINE ON DRAVVWORKS PRIOR TO RAISING DERRICK 06:30 - 07:30 1.00 RIGU P PRE RAISE DERRICK -PERFORM PRERAISE CHECKLIST -MAX PULL 546K OFF RACK 07:30 - 08:30 1.00 RIGU P PRE SKID FLOOR TO DRILLING POSITION -PERFORM PRESKID CHECKLIST 08:30 - 09:30 1.00 RIGU P PRE RIG UP AIR,WATER AND STEAM LINES UNDER FLOOR -SET UP WALKWAYS ON ROOF 09:30 - 11:00 1.50 RIGU P PRE BRIDLE DOWN -REMOVE BRIDLE LINES FROM BLOCKS AND PLACE IN STORAGE POSITION -PIN BLOCKS TO TOPDRIVE Printed 11/6/2015 3:14:57PM • North America-ALASKA-BP • Page 2 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:OOAM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41c@78.95usft(above Mean Sea Level) Date From-To Firs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 11:00 - 13:00 2.00 RIGU P PRE RIG UP FLOOR -RIG UP STAND PIPE MANIFOLD -SET MAN RIDER HOISTS IN PLACE SIMOPS: -PREP AND REMOVE DRILLING LINE SPOOL WITH DEFECTIVE DRILLING LINE FROM ROOF INSTALL NEW DRILLING LINE SPOOL ON ROOF -HOLD PRE-SPUD MEETING WITH RIG CREW AT PRE-TOUR 13:00 - 19:30 6.50 RIGU P PRE NIPPLE UP DIVERTER RISER AND DIVERTER ANNULAR -INSTALL 4"VALVES ON CONDUCTOR IN CELLAR -INSTALL HOLE FILL LINE -INSTALL HYDRAULIC LINES TO DIVERTER ANNULAR AND KNIFE VALVE -ENERGIZE ACCUMULATOR AND INSPECT FOR LEAKS SIMOPS: -MODIFY A FRAME ON DRILLING LINE SPOOL -BRAISE THE NEW DRILLING LINE AND DEFECTIVE DRILLING LINE TOGETHER -CALIBRATE PIT SENSORS -RECEIVE FIRST LOAD OF MUD IN PITS ***RIG ACCEPTED AT 18:00 09/20/2015••* 19:30 - 20:00 0.50 RIGU P PRE PERFORM DIVERTER FUNCTION TEST -KNIFE VALVE OPENED IN 22 SECONDS -DIVERTER ANNULAR CLOSED IN 26 SECONDS -TEST WITNESS WAIVED BY AOGCC REP JOHNNY HILL 20:00 - 00:00 4.00 RIGU N RREP PRE REPLACE DEFECTIVE DRILLING LINE IN DERRICK AND ON DRUM -SLIP 1800'OF DEFECTIVE DRILLING LINE ONTO DRAWWORKS DRUM -CUT AND REMOVE DEFECTIVE LINE FROM DRUM -HOLD PRE-SPUD MEETING WITH RIG CREW AT PRE-TOUR 9/21/2015 00:00 - 02:30 2.50 RIGU N RREP PRE INSTALL NEW DRILL LINE ON DRAVWVORKS DRUM -SLIP 15 WRAPS ON DRUM AND INSTALL DRUM CLAMP -INSTALL CLAMP AT DEADMAN ANCHOR -UNHANG BLOCKS -RECALIBRATE BLOCK HEIGHT IN AMPHION AND BAKER SYSTEM Printed 11/6/2015 3:14:57PM North America-ALASKA-BP Page 3 of 34 Operation . . Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud DateMme:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UVV1:500292354700 Active datum:02-41(g78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) - 02:30 - 05:30 3.00 RIGU P PRE CHANGE OUT4"XT-39 SAVER SUB TO4-1/2" IF -CHANGE PIPE HANDLER DIES AND PIPE GUIDE SIMOPS: -BUILD STANDS OF 5"HWDP IN OFFLINE STAND BUILDER -HOLD RIG EVAC/DIVERTER DRILL 05:30 - 07:00 1.50 RIGU P PRE RIG UP GYRO ON HALLIBURTON E-LINE TRUCK -HANG SHEAVE AT DERRICK BOARD SIMOPS: -HOIST SMALL BHA TOOLS TO RIG FLOOR 07:00 - 10:30 3.50 RIGU P PRE MAKE UP 12-1/4"SURFACE HOLE BHA -12-1/4"MILL TOOTH TRICONE BIT -8"MOTOR WITH 1.5°AKO -STRING STABILIZER -UBHO -PONY FLEX MONEL 10:30 - 12:00 1.50 RIGU P PRE MAKE UP STAND OF HWDP TO BHAAND CLEAN OUT CONDUCTOR TO 127'MD -PRESSURE TEST LINES TO 4000 PSI(NO LEAKS) -TAGGED UP AT 121'MD WITH NO PUMPS -BRING PUMPS UP TO 350 GPM,200 PSI WASH DOWN TO 127'MD TAGGED BOTTOM 12:00 - 18:30 6.50 DRILL P SURF SPUD WELLAND DIRECTIONAL DRILL 12-1/4" SURFACE HOLE FROM 127'MD TO 510'MD (383'6.5 HRS=59 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=125 FPH. -500 GPM,590 PSI,60 RPM,2 KFT-LBS OFF BOTTOM TORQUE,4 FT-LBS ON BOTTOM,8- 10 KLBS WOB -PU 60K,SO 60K,ROT 60K -MW IN/OUT=8.6 PPG -GYRO SURVEY EVERY STAND 30'OFF BOTTOM. WIPE 30'PRIOR TO CONNECTIONS,NO BACKREAMING -NO INDICATION OF SIGNIFICANT LOSSES WHILE DRILLING AHEAD -BUILD STANDS OFFLINE 18:30 - 19:00 0.50 DRILL P SURF CIRCULATE BOTTOMS UP WHILE WORKING STAND 30' -500 GPM,590 PSI -SHOOT GYRO SURVEY ON BOTTOM -MONITOR WELL DRUING GYRO(STATIC) 19:00 - 20:00 1.00 DRILL P SURF TRIP OUT OF THE HOLE FROM 510'MD TO BHAAT 50'MD -OBSERVED TIGHT SPOT AT 500'MD, BROUGHT PUMPS UP TO 500 GPM,590 PSI AND PUMPED OUT FIRST STAND,DID NOT SEE TIGHT SPOT WITH PUMPS ON 20:00 - 22:00 2.00 DRILL P SURF MAKE UP NEW BHA TO 188'MD -ADD MWD ONTRAK WITH PULSER AND STAND OF FLEX MONELS -CHANGE AROUND EXISTING BHA TO PLACE UBHO ABOVE MWD Printed 11/6/2015 3:14:57PM North America-ALASKA-BP Page 4 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:OOAM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 22:00 - 23:00 1.00 DRILL P SURF TRIP IN THE HOLE ON 5"HWDP TO BOTTOM AT 510'MD -OBSERVED TIGHT SPOT AT 490'MD, ATTEMPT TO WORK PAST ROTATING PIPE 1/4 TURN EACH TIME WITH NO SUCCESS,BRING PUMPS UP TO 420 GPM,600 PSI,ORIENT MOTOR TO HIGHSIDE AND WORK PAST TIGHT SPOT WITH NO ISSUES. 23:00 - 00:00 1.00 DRILL P SURF DIRECTIONAL DRILL 12-1/4"SURFACE HOLE FROM 510'MD TO 615'MD(105'1 HRS=105 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=125 FPH. -500 GPM,900 PSI,60 RPM,2 KFT-LBS OFF BOTTOM TORQUE,4 FT-LBS ON BOTTOM,10 KLBS WOB -PU 73K,SO 73K,ROT 73K -MW IN/OUT=8.6 PPG -GYRO SURVEY EVERY STAND 30'OFF BOTTOM. WIPE 30'PRIOR TO CONNECTIONS,NO BACKREAMING -NO INDICATION OF SIGNIFICANT LOSSES WHILE DRILLING AHEAD,HAUL OFF VOLUMES SHOW 210 BBL LOSS POST SPUD 9/22/2015 00:00 - 06:00 6.00 DRILL P SURF DIRECTIONAL DRILL 12-1/4"SURFACE HOLE FROM 615'MD TO 928'MD(313'IN 6 HRS=52 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=100-125 FPH. -500 GPM,1030 PSI,60 RPM,2 KFT-LBS OFF BOTTOM TORQUE,4 FT-LBS ON BOTTOM, 10-18 KLBS WOB -PU 86K,SO 86K,ROT 86K -MW IN/OUT=8.6 PPG -GYRO SURVEY EVERY STAND 30'OFF BOTTOM. RIG DOWN SPERRY E-LINE AND GYRODATAAT 800'MD. -WIPE 30'PRIOR TO CONNECTIONS,NO BACKREAMING -NO INDICATION OF SIGNIFICANT LOSSES WHILE DRILLING AHEAD 06:00 - 12:00 6.00 DRILL P SURF DIRECTIONAL DRILL 12-1/4"SURFACE HOLE FROM 928'MD TO 1341'MD(413'IN 6 HRS=69 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=100-130 FPH. -500 GPM,1115 PSI,30 RPM,3 KFT-LBS OFF BOTTOM TORQUE,6 FT-LBS ON BOTTOM, 10-18 KLBS WOB -PU 100K,SO 91K,ROT 92K -MW IN/OUT=8.8 PPG -SURVEY EVERY STAND. WIPE 30'PRIOR TO CONNECTIONS,NO BACKREAMING -NO INDICATION OF SIGNIFICANT LOSSES WHILE DRILLING AHEAD Printed 11/6/2015 3:14:57PM North America-ALASKA-BP Page 5 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(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 SURF DIRECTIONAL DRILL 12-1/4"SURFACE HOLE FROM 1341'MD TO 1688'MD(413'IN 6 HRS= 59 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=100-150 FPH. -500 GPM,1150 PSI,60 RPM,3 KFT-LBS OFF BOTTOM TORQUE,5 FT-LBS ON BOTTOM, 18-20 KLBS WOB PU 112 K,SO 89 K,ROT 100 K -MW IN/OUT=8.6 PPG -SURVEY EVERY STAND. WIPE 30'PRIOR TO CONNECTIONS,NO BACKREAMING -NO INDICATION OF SIGNIFICANT LOSSES WHILE DRILLING AHEAD 18:00 - 23:00 5.00 DRILL P SURF DIRECTIONAL DRILL 12-1/4"SURFACE HOLE FROM 1688'MD TO 2065'MD(377'IN 5 HRS= 75 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=100-150 FPH. -500 GPM,1240 PSI ON BOTTOM,1050 PSI OFF BOTTOM,60 RPM,5 KFT-LBS OFF BOTTOM TORQUE,7 FT-LBS ON BOTTOM,18 KLBS WOB PU 126 K,SO 95 K,ROT 107 K -MW IN/OUT=9.0 PPG -SURVEY EVERY STAND. WIPE 30'PRIOR TO CONNECTIONS,NO BACKREAMING -NO INDICATION OF SIGNIFICANT LOSSES WHILE DRILLING AHEAD,HAUL OFF VOLUMES SHOW 338 BBL LOSS LAST 24 HRS -ACTUAL DRILLING TIME PAST 23 HRS= 14.6HRS,AST=7.3HRS,ART=7.3HRS. -JAR HOURS=95.6 -BASE OF THE PERMAFROST PICKED IN CORRELATION WITH DRILLING BREAK AT 2005'MD 23:00 - 23:30 0.50 DRILL P SURF SERVICE BLOCKS AND TOP DRIVE 23:30 - 00:00 0.50 DRILL P SURF PLANNED WIPER TRIP: CIRCULATE 1X BOTTOMS UP -550 GPM,1200 PSI -60 RPM,5-6KTORQUE -RACK BACK 1 STAND EVERY 20 MINUTES TO 1875'MD 9/23/2015 00:00 - 01:00 1.00 DRILL P SURF PLANNED WIPER TRIP: CIRCULATE 2X BOTTOMS UP -550 GPM,1230 PSI -60 RPM,5K TORQUE -RACK BACK 1 STAND EVERY 20 MINUTES FROM 1875'MD TO 1688'MD Printed 11/6/2015 3:14:57PM North America-ALASKA-BP Page 6 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT I NPT Depth Phase Description of Operations (hr) (usft) 01:00 - 03:00 2.00 DRILL P SURF PLANNED WIPER TRIP: PULL OUT OF THE HOLE WITH 12-1/4"DRILLING BHA ON ELEVATORS FROM 1688'MD(BPERM)TO 35' ABOVE LAST TRIP DEPTH AT 475'MD -MONITOR WELL FOR 10MIN PRIOR TO PULLING OUT OF THE HOLE(STATIC) -OBSERVED TIGHT SPOT AT 1680'MD, ATTEMPED TO WORK THROUGH WITH 40K OVER STRINGWEIGHT WITH NO SUCCESS, DECISION MADE TO PUMP OUT 1 STAND TO 1593'MD -WORKED THROUGH TIGHT SPOTS AT 1500' MD AND 1440'MD WITH 40K OVER PULL. WIPE BACK THROUGH TIGHT SPOTS AFTER PULLING THROUGH WITHOUT PUMPS. 03:00 - 06:00 3.00 DRILL P SURF TRIP IN THE HOLE ON ELEVATORS FROM TOP OF SHORT TRIP AT 475'MD TO BOTTOM AT 2065'MD -NO INDICATION OF TIGHT SPOTS THAT WERE OBSERVED ON THE TRIP OUT OF THE HOLE -TAG UP 20'HIGH OFF BOTTOM. WASH AND REAM AT FULL RATE BACK TO BOTTOM. 06:00 - 06:00 2.00 DRILL P SURF -DIRECTIONAL DRILL 12-1/4"SURFACE HOLE FROM 2065'MD TO 2254'MD(189'IN 2 HRS= 95 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=120-200 FPH. -550 GPM,1400 PSI,60 RPM,5 KFT-LBS OFF BOTTOM TORQUE,6 FT-LBS ON BOTTOM, 10-20 KLBS WOB -PU 124 K,SO 95 K,ROT 108 K -MW IN/OUT=8.9 PPG -SURVEY EVERY STAND.WIPE 30'PRIOR TO CONNECTIONS,NO BACKREAMING -NO INDICATION OF SIGNIFICANT LOSSES WHILE DRILLING AHEAD 08:00 - 10:00 2.00 DRILL N DFAL 2,254.00 SURF TROUBLESHOOT LOST COMMUNICATION WITH MWD PULSER -TOOL EVENTUALLY RESUMED PULSING AFTER REPEATED MOVING AND ROTATING PIPE 10:00 - 12:00 2.00 DRILL P SURF DIRECTIONAL DRILL 12-1/4"SURFACE HOLE FROM 2254'MD TO 2415'MD(161'IN 2 HRS= 81 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=70-200 FPH. -550 GPM,1380 PSI,60 RPM,5 KFT-LBS OFF BOTTOM TORQUE,6 FT-LBS ON BOTTOM,15 KLBS WOB -PU 131 K,SO 99 K,ROT 112 K -MW IN/OUT=9.0 PPG -SURVEY EVERY STAND.WIPE 30'PRIOR TO CONNECTIONS,NO BACKREAMING -NO INDICATION OF SIGNIFICANT LOSSES WHILE DRILLING AHEAD Printed 11/6/2015 3:14:57PM • • North America-ALASKA-BP Page 7 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:OOAM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(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 SURF DIRECTIONAL DRILL 12-1/4"SURFACE HOLE FROM 2415 MD TO 2920'MD(505'IN 6 HRS= 84 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=90-250 FPH. -550 GPM,1530 PSI,60 RPM,5 KFT-LBS OFF BOTTOM TORQUE,7 FT-LBS ON BOTTOM,22 KLBS WOB -PU 146 K,SO 106 K,ROT 120 K -MW IN/OUT=9.0/9.1 PPG -SURVEY EVERY STAND.WIPE 30'PRIOR TO CONNECTIONS,NO BACKREAMING -NO INDICATION OF SIGNIFICANT LOSSES WHILE DRILLING AHEAD 18:00 - 00:00 6.00 DRILL P SURF DIRECTIONAL DRILL 12-1/4"SURFACE HOLE FROM 2920'MD TO TD AT 3552'MD/3407'TVD (632'IN 6 HRS=105 FPH WITH CONNECTIONS) -SURFACE HOLE TD PICK IN LOWER SV4 AT —70'ND ABOVE TOP SV3 -INSTANTANEOUS ROP=100-200 FPH. -550 GPM,1650 PSI,60 RPM,7 KFT-LBS OFF BOTTOM TORQUE,8 FT-LBS ON BOTTOM,22 KLBS WOB -PU 163 K,SO 112 K,ROT 134 K -MW IN/OUT=9.0/9.1 PPG -SURVEY EVERY STAND.WIPE 30'PRIOR TO CONNECTIONS,NO BACKREAMING -NO INDICATION OF SIGNIFICANT LOSSES WHILE DRILLING AHEAD(DAILY HAUL-OFF VOLUME=684 BBL) -ACTUAL DAILY DRILLING TIME=10.4 HR (ROTATING=9.4 HR,SLIDING=1.0 HR) 9/24/2015 00:00 - 02:30 2.50 DRILL P SURF CIRCULATE BOTTOMS-UP 3 TIMES -600 GPM,1600 PSI -60 RPM,7K TORQUE -PULL PIPE AT 3 FT/MIN LAYING DOWN A STAND EVERY 30 MINUTES 02:30 - 04:30 2.00 DRILL P SURF MONITOR WELL FOR 10 MINUTES:STATIC -MUD WEIGHT:9.0 PPG IN,9.1 PPG OUT POH ON ELEVATORS FROM 3299'MD TO 1973' MD -PU 164K,SO 111KAT 3299'MD -WORK THROUGH TIGHT HOLE AT 3130', 2710',2685'&2430'MD WITH 30-55K OVERPULL EACH AND WIPE CLEAN 1 PASS WITHOUT PUMPS -TIGHT HOLE AT 2165'MD WITH 55K OVERPULL.WASH THROUGH TO 2099'MD. 04:30 - 09:30 5.00 DRILL P SURF RIH FROM 1973'TO 3552'MD -RIH ON ELEVATORS -TIGHT HOLE AT 2345',ABLE TO WORK THROUGH,BACKREAM 1 STAND AT 4.5 FPM, 600 GPM,1240 PSI,60 RPM AND 6-15K TORQUE -TIGHT HOLE AT 2498',WASH AND REAM THROUGH AT 100 GPM,20 RPM -TIGHT HOLE AT 2540',WASH THROUGH AT 100 GPM -DRILL 7'RATHOLE FROM 3552'TO 3559'MD TO ACCOMODATE EVEN CASING JOINTS Printed 11/6/2015 3:14:57PM • North America-ALASKA-BP Page 8 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 IX3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 09:30 - 11:30 2.00 DRILL P SURF CIRCULATE BOTTOMS-UP 3 TIMES -600 GPM,1600 PSI -60 RPM,7K TORQUE -PULL PIPE AT 4.5 FT/MIN,RACK BACKA STAND EVERY 20 MINUTES TO 3204'MD -PUW=167K,SOW=118K AT 3488' -10 MINUTE FLOW CHECK ON BOTTOM- STATIC 11:30 - 15:30 4.00 DRILL P SURF POH FROM 3204'TO 185'MD -TIGHT HOLE AT 2210'AND 550'MD -BACKREAM FROM 2257'TO 2067'MD AT 550 GPM,1230 PSI,60 RPM,AND 6-9K TORQUE, PASS BACK THROUGH ON ELEVATORS WITH NO ISSUES. -PULL TIGHT AT 550'MD,SCRAPE CLAY OFF GHAAS IT ENTERS CONDUCTOR 15:30 - 18:00 2.50 DRILL P SURF PJSM,LAY DOWN BHA -CLEAR RIG FLOOR -LAY DOWN NM COLLARS,FILTER,UBHO • SUBS, -BREAK AND CLEAN OFF BIT,BIT FULLY BALLED UP WITH CLAY -BIT GRADED 5-6-WT-A-E-1/16-SS-TD LAY DOWN BCPM AND MWD ONTRACK -LAY DOWN NM PONY SUB,STABILIZER,AND MOTOR 18:00 - 18:30 0.50 CASING P SURF CLEAR AND CLEAN RIG FLOOR 18:30 - 20:30 2.00 CASING P SURF RIG UP FOR CASING RUN AND HOLD PJSM -INSTALL BAIL EXTENSIONS AND 9-5/8" SINGLE JOINT ELEVATORS -RIG UP DOUBLE STACK CASING TONGS -RIG UP FILL HOSE -MAKE UP VOLANT TOOL TO TOP DRIVE -CONFIRM CASING COUNT AND PROPER HANDLING EQUIPEMENT 20:30 - 22:00 1.50 CASING P SURF RUN 9-5/8"40#L-80 BTC SURFACE CASING PER TALLY TO 129'MD -ALL CONNECTIONS BELOW FLOAT COLLAR BAKER-LOK'D -USE BEST OF LIFE 2000 PIPE DOPE ON ALL OTHER CONNECTIONS -TORQUE CONNECTIONS TO DIAMOND MARK,-11000 FT-LBS -CHECK FLOATS-GOOD -LUBRICATE RIG 22:00 - 23:00 1.00 CASING N SFAL 129.00 SURF TROUBLE SHOOT VOLANT TOOL CUP -PROPER CUT INSTALLED ON VOLANT TOOL, BUT ELECT TO SWAP OUT CUP DUE TO LEAK Printed 11/6/2015 3:14:57PM • • North America-ALASKA-BP Page 9 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UW1:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 23:00 - 00:00 1.00 CASING P SURF RUN 9-5/8"40#L-80 BTC SURFACE CASING PER TALLY FROM 129'TO 547'MD -RUN ONE LOCKED DOWN CENTRALIZER ON JOINT 1,5'FROM PIN -RUN ONE LOCKED DOWN CENTRALIZER ON JOINT 2,MID JOINT -RUN FREE FLOATING CENTRALIZERS ON JOINTS 3-47 -CENTRALIZERS ARE CENTEK 9-5/8"X 12-1/4" BOWSPRING STYLE -RIH AT 90 FPM -BREAK CIRCULATION EVERY 400'AT 5 BPM FOR 7 MINUTES -FILL CASING EVERY JOINT WITH FILL UP HOSE -OBTAIN PU/SO WEIGHTS EVERY 400' -PUW=50K,SOW=50K -MUD WEIGHT:9.1 PPG IN/9.1 PPG OUT -PUSHING AWAY MAJORITY OF PIPE DISPLACEMENT 9/25/2015 00:00 - 09:30 9.50 CASING P SURF RUN 9-5/8"40#L-80 BTC SURFACE CASING PER TALLY FROM 547'TO 3548'MD/3414'TVD (PLANNED SET DEPTH) USE BEST OF LIFE PIPE DOPE -TORQUE CONNECTIONS TO DIAMOND MARK -RIH AT 90 FPM FROM 547'MD TO 1797'MD, REDUCE SPEED TO 50 FPM FROM 1797'MD TO 3548'MD -BREAK CIRCULATION EVERY 400'AT 5 BPM FOR 7 MINUTES -FILL CASING EVERY JOINT WITH FILL UP HOSE -OBTAIN PU/SO WEIGHTS EVERY 400' -PU=170K,SO=115K(FINAL) -MUD WEIGHT:9.1 PPG IN/9.1 PPG OUT -MUD LOSSES WHILE RIH:52 BBLS -STACK OUT AT 2545'MD.PUH 3 JTS AND WASH THROUGH AT 215 GPM. -CIRCULATE BOTTOMS UP OVER TWO JOINTS AT 2800'MD AT 10 BPM Printed 11/6/2015 3:14:57PM • North America-ALASKA-BP • Page 10 of 34 Operation Summary Report Common Well Name:02-41 j AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 IX3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/me:9/21/2015 10:30:OOAM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) _ (usft) 09:30 - 14:00 4.50 CEMT P SURF STAGE UP TO CEMENTING RATE IN 1 BPM INCREMENTS TO FINAL CIRCULATING RATE OF 10 BPM. -@ 2 BPM,325 PSI -@ 3 BPM,320 PSI -@ 4 BPM,325 PSI -@ 5 BPM,330 PSI -@ 6 BPM,330 PSI -@ 7 BPM,340 PSI -@ 8 BPM,375 PSI -@ 9 BPM,400 PSI -@ 10 BPM,400 PSI -CONDITION MUD TO 9.1 PPG,10 PV,19 YP -INITIAL PRESSURE AT CEMENTING RATE: 590 PSI(WITH CEMENT HOSE) -FINAL PRESSURE AT CEMENTING RATE AFTER HOLE CONDITIONED:540 PSI(WITH CEMENT HOSE) -CIRCULATE TOTAL OF 12 TIMES BOTTOMS-UP -RECIPROCATED PIPE 15 FT AT SURFACE AT 1000 FT/MIN -MUD LOSSES:30 BBL SIMOPS: -RIG UP SLB CEMENTERS -PRESSURE TEST CEMENT LINES TO 250/4000 PSI FOR 5 MIN EACH Printed 11/6/2015 3:14:57PM • • North America-ALASKA-BP Page 11 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 14:00 - 18:30 4.50 CEMT P SURF CEMENT 9-5/8"SURFACE CASING AS FOLLOWS: -PUMP 100 BBLS OF 10.0 PPG MUDPUSH II SPACER©5.5 BPM,100 PSI -RELEASE BOTTOM PLUG -CEMENT MIXED AT 14:40 -PUMP 629.3 BBLS OF 11.0 PPG LITECRETE LEAD CEMENT @ 5.5 BPM,EXCESS VOLUME 400%(YIELD 1.88 CU.FT/SK) -PUMP 88.1 BBLS OF 15.8 PPG CLASS G TAIL @ 5.0 BPM,EXCESS VOLUME 40% (YIELD 1.16 CU.FT/SK) -DROP TOP PLUG -RECIPROCATED PIPE 15 FT AT SURFACE WHILE PUMPING LEAD CEMENT.ATTEMPT TO RECIPROCATE DURING TAIL CEMENT BUT STUCK WITH CASING ON LANDING RING. PERFORM DISPLACEMENT WITH RIG PUMPS AND 9.1 PPG LSND MUD PER SLB CADE -SLB KICK OUT PLUG WITH 10 BBLS FRESH WATER AT 5 BPM -50 BBLS DISPLACED AT 10 BPM:ICP 420 PSI, FCP 430 PSI -245 BBLS DISPLACED AT 7 BPM:ICP 235 PSI, FCP 990 PSI -REDUCE RATE TO 2 BPM PRIOR TO PLUG BUMP:FINAL CIRCULATING PRESSURE 730 PSI(CADE ESTIMATE=625 PSI) -BUMP PLUG AND INCREASE PRESSURE TO 1270 PSI,CHECK FLOATS-GOOD -OBSERVED 400 PSI DIFFERENTIAL WHEN BOTTOM PLUG BURST -TOTAL DISPLACEMENT VOLUME 252.4 BBLS (MEASURED BY STROKES @ 96%PUMP EFFICIENCY) -200 BBLS CEMENT RETURNS AT SURFACE -TOTAL LOSSES FROM CEMENT EXIT SHOE TO CEMENT IN PLACE:—50 BBLS -CEMENT IN PLACE AT 18:00 18:30 - 22:00 3.50 CEMT P SURF RIG DOWN AFTER CEMENT JOB -BACK OUT AND LAY DOWN 9-5/8"LANDING JOINT -JET FLOWLINE AND CLEAN PITS -DRAIN STACK AND RISER,CLOSE ANNULAR PREVENTER AND WASH OUT WITH CONTAM PILL -CLEAN OUT FLOW BOX -CLEAN AND RIG DOWN CASING RUNNING EQUIPMENT AND DEMOBILZE FROM RIG FLOOR 22:00 - 00:00 2.00 BOPSUR P SURF NIPPLE DOWN RISER,ANNULAR DIVERTER, AND DIVERTER FLOW LINE 9/26/2015 00:00 - 04:00 4.00 WHSUR P SURF NIPPLE UP FMC 11"THROUGH BORE GEN 5 WELLHEAD -CLEAN AND PREP 9-5/8"CASING STUB FOR WELLHEAD INSTALLATION -INSTALL WELLHEAD,LINE UP OUTLET VALVES ON WELLHEAD WITH ORIENTATION MARKINGS ON THE CONDUCTOR SO THE VALVES ARE PERPENDICULAR TO WELL ROW -TIGHTEN WELLHEAD SET SCREWS ONTO 9-5/8"CASING Printed 11/6/2015 3:14:57PM • North America-ALASKA-BP • Page 12 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 04:00 - 09:00 5.00 BOPSUR P SURF NIPPLE UP BOPE AND HIGH PRESSURE RISERS -TORQUE WELLHEAD SET SCREWS TO 300 FT-LBS -PRESSURE TEST WELLHEAD VOID WHILE TORQUING FLANGES TO 250 PSI LOW/1000 PSI HIGH FOR 30 CHARTED MINUTES-PASS (SEE ATTACHED CHART) -INSTALL TURNBUCKLES -INSTALL FLOW NIPPLE,FILL UP LINE AND FLOW LINE -INSTALL MOUSE HOLE 13-5/8"5K SHAFFER STACK: -ANNULAR PREVENTER -2-7/8"X 5-1/2"LOWER VBRS -BLIND/SHEARS -MUD CROSS -2-7/8"X 5-1/2"LOWER VBRS SIMOPS: -CLEAN PITS 09:00 - 10:30 1.50 BOPSUR P SURF RIG UP FOR BOPE TESTING -BUILD TEST JOINT -INSTALL TEST PLUG -RIG UP TEST EQUIPMENT -PERFORM SHELL TEST 10:30 - 11:00 0.50 BOPSUR N WAIT 3,559.00 SURF WAIT ON AOGCC REP -CLEAN AND CLEAR RIG FLOOR 11:00 - 19:30 8.50 BOPSUR P SURF TEST BOPE TO 250 PSI LOW,3500 PSI HIGH FOR 5 MINUTES EACH WITH 5"TEST JOINT -DRILLER'S SIDE DOOR SEAL FAILURE ON UPPER VBR,REPLACE DOOR SEAL -LOWER IBOP FAILURE -KILL HCR FAIL/PASS(ISOLATED VALVE AND THEN RE-TESTED) -CONDUCT DRAW DOWN TEST ON ACCUMULATOR -ALL TESTS CHARTED,SEE ATTACHED BOP TEST CHARTS -TEST WITNESSED BY AOGCC REP JEFF JONES 19:30 - 20:00 0.50 WHSUR P SURF RIG DOWN AFTER BOPE TESTING AND INSTALL WEAR RING,ID=9-15/16" 20:00 - 22:00 2.00 BOPSUR N RREP 3,559.00 SURF NON IADC CODE 8 NPT:CHANGE OUT FAILED LOWER IBOP -CHANGE OUT SAVER SUB AT SAME TIME 22:00 - 00:00 2.00 BOPSUR N RREP 3,559.00 SURF NON IADC CODE 8 NPT:RIG UP AND TEST IBOP -RIG UP HEADPIN ON BOTTOM OF TOPDRIVE AND TEST LOWER IBOP TO 250 PSI LOW, 3500 HIGH FOR 5 MINUTES EACH-FAIL -PULL WEAR BUSHING AND RIG UP TEST JOINT WITH TEST PLUG AND RETEST, OBSERVED TEST PLUG LEAKING THROUGH ANNULUS VALVES -PULL TEST PLUG,OBSERVED DAMAGED SEALS Printed 11/6/2015 3:14:57PM • • North America-ALASKA-BP Page 13 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWM:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 9/27/2015 00:00 - 02:30 2.50 BOPSUR N RREP 3,559.00 SURF NON IADC CODE 8:RIG UP TEST JOINT WITH FOSV -TEST LOWER IBOP TO 250 PSI LOW AND 3500 PSI HIGH FOR 5 MIN EACH(FAIL) DECISION MADE TO CHANGE OUT THE LOWER IBOP AGAIN 02:30 - 07:30 5.00 BOPSUR N RREP 3,559.00 SURF NON IADC CODE 8:CHANGE OUT LOWER IBOP -BENCH TEST NEW IBOP PRIOR TO INSTALLING(PASS,SEE ATTACHED CHART) -SUBMIT CHART TO AOGCC REP JEFF JONES FOR FINAL TEST APPROVAL -INSTALL LOWER IBOP AND SAVER SUB -RIG DOWN TEST EQUIPMENT -INSTALL WEAR RING,ID=9-15/16" 07:30 - 09:30 2.00 CASING P SURF PRESSURE TEST 9-5/8"SURFACE CASING TO 250 PSI LOW FOR 5 MIN/3500 PSI HIGH FOR 30 MIN EACH -BBL IN/OUT=6 BBL -TEST APPROVED BY BP WTL(SEE ATTACHED CHART) -PJSM FOR MU BHA 09:30 - 10:00 0.50 CASING P SURF TEST THE BREAK BETWEEN UPPER AND LOWER IBOP(PASS) 10:00 - 13:30 3.50 DRILL P SURF PICK UP 9-1/2"INTERMEDIATE SECTION DRILLING BHA TO 842'MD -MAKE UP NEW 8-1/2"X 9-1/2"HYCALOG BICENTER BIT WITH 6-3/4"ULTRA X-TREME MOTOR(1.30 AKO) -INCLUDE GR/RES/DIRECTIONAL AND COPILOT MWD ASSEMBLY -SCRIBE MOTOR TO MWD TOOL -INCLUDE 3 NON-MAG DRILL COLLARS AND WELL COMMANDER 13:30 - 15:30 2.00 DRILL P SURF RIH WITH 9-1/2"DRILLING ASSEMBLY FROM 842'MD TO 3210'MD -RIH ON ELEVATORS PICKING UP 5"DP STANDS -PULSER TEST AT 1200'MD,400 GPM,950 PSI(PASS) -UNANNOUNCED KICK WHILE TRIPPING DRILL WITH COMPLEXITY SCENARIO AND AAR 15:30 - 16:00 0.50 DRILL P SURF WASH DOWN WITH 9-1/2"DRILLING ASSEMBLY FROM 3210'TO 3424'MD. TAG HARD CEMENT AT 3424'MD(-32'ABOVE 3456' MD FLOAT COLLAR). -100 GPM,260 PSI -RECORD SLOW PUMP RATES WITH NEW BHA -PU/SO WEIGHTS=155/106 KLBS 16:00 - 16:30 0.50 DRILL P SURF DRILL CEMENT ON TOP OF PLUGS FROM 3424'MD TO 3454'MD.TAG PLUGS ON DEPTH AT 3454'MD. -500 GPM,1765 PSI,40 RPM,205 TOTAL BIT RPM,8 KFT-LBS TORQUE,2 KLBS WOB, 120-200 FPH ROP -MEDIUM STICK-SLIP,NO OTHER VIBRATION Printed 11/6/2015 3:14:57PM North America-ALASKA-BP Page 14 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/me:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 16:30 - 19:30 3.00 DRILL P SURF DRILL OUT CEMENTING PLUGS AND FLOAT COLLAR FROM 3454'MD TO 3457'MD -FOLLOW HYCALOG RECOMMENDATIONS FOR DRILLOUT WITH BI-CENTER BIT -PRIMARILY ATTEMPT HIGH RPM AND LOW WOB. VARY FOLLOWING PARAMETERS IN BETWEEN REPEATEDLY PICKING UP AND RESETTING BIT;375-600 GPM,40-90 RPM, 165-275 TOTAL BIT RPM,2-8 KLBS WOB -MOST CONSISTENT PROGRESS AND FEWEST VIBRATION ISSUES NOTED WITH -500 GPM,40 RPM,-2 KLBS WOB -NO TORQUE ISSUES NOTED;CONSISTENT AROUND 7-9 KFT-LBS -OCCASIONALLY NOTICE HOOKLOAD DROPOFF AND PRESSURE INCREASES INDICATIVE OF PLUG MATERIAL UP AROUND BIT/BHA/PIPE. PICKUP AND RECIPROCATE PIPE QUICKLY WITH FULL PARAMETERS TO ALLEVIATE. -SIGNIFICANT METAL RETURNS(CASING WEAR)COLLECTED AT THE SHAKERS DURING DRILLOUT(1 GAL SHAVINGS COLLECTED DURING DRILLOUT) -LARGE AND SMALL PLUG CUTTINGS RETURNED OVER SHAKERS,SIMILAR TO NON BI-CENTER BIT DRILLOUT 19:30 - 20:30 1.00 DRILL P SURF DRILL CEMENT BELOW FLOAT COLLAR FROM 3457'MD TO 3538'MD -500 GPM,1480 PSI,75 RPM,240 TOTAL BIT RPM,6 KFT-LBS TORQUE,5 KLBS WOB -PU 165K,SO 109K,ROT 128K -DRILL TO WITHIN 10'OF THE 9-5/8"CASING SHOE 20:30 - 21:30 1.00 DRILL P SURF DISPLACE 9.1 PPG MAXDRILL WITH 9.9 PPG LSND -650 GPM,2150 PSI -ROTATE 10 RPM,RECIPROCATE PIPE 45 FT -PUMP 35 BBL OF 9.9 PPG LSND HI-VIS SPACER -OBTAIN SPR WITH NEW MUD 21:30 - 22:00 0.50 DRILL P SURF DRILL OUT 10'SHOE TRACK,11'RAT HOLE AND 20'OF NEW FORMATION FROM 3538'MD TO 3579'MD -500 GPM,1480 PSI,75 RPM,240 TOTAL BIT RPM, 6 KFT-LBS TORQUE,5 KLBS WOB -PU 158K,SO 107K,ROT 127K 22:00 - 22:30 0.50 DRILL P SURF CIRCULATE BOTTOMS-UP -650 GPM,2150 PSI -75 RPM,6K TORQUE -MUD WEIGHT IN/OUT=9.9 PPG Printed 11/6/2015 3:14:57PM • North America-ALASKA-BP Page 15 of 34 Operation Summary Report Common Well Name:02-41 AFE No • Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:00AM 1 Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. [UWI:500292354700 Active datum:02-41©78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 22:30 - 23:30 1.00 DRILL P SURF PERFORM LOT -MUD WEIGHT:9.9 PPG,3403'TVD,3548'MD -PUMP 2.0 BBLS,BLEED BACK 1.5 BBLS -LOT EMW=15.6 PPG(1010 PSI LEAKOFF PRESSURE) -KICK TOLERANCE>50 BBL WITH EMW>12.8 PPG -LOT APPROVED BY ODE(SEE ATTACHED CHART) ESTABLISH CLEAN HOLE ECD AT 10.48 PPG EMW 23:30 - 00:00 0.50 DRILL P INTI DIRECTIONAL DRILL 9-1/2"INTERMEDIATE HOLE FROM 3579'MD TO 3595'MD(16'IN 0.5 HRS=32 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=100 FPH -550 GPM,1700 PSI ON BOTTOM,75 RPM,257 TOTAL BIT RPM,6K FT-LBS OFF BOTTOM TORQUE,7K FT-LBS ON BOTTOM,4 KLBS WOB -PU 151K,SO 116K,ROT 129K -MW IN/OUT=9.9 PPG -SURVEY EVERY STAND.NO BACKREAMING. -NO INDICATION OF SIGNIFICANT LOSSES WHILE DRILLING AHEAD -1 GAL ADDITIONAL METAL SHAVINGS COLLECTED(-2 GAL TOTAL) -ACTUAL DAILY DRILLING TIME=1 HR (ROTATING=1 HR,SLIDING=0 HR) 9/28/2015 00:00 - 06:00 6.00 DRILL P INTI DIRECTIONAL DRILL 9-1/2"INTERMEDIATE HOLE FROM 3595'MD TO 4250'MD(655'IN 6 HRS=109 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=125-250 FPH (ADJUST ROP AS NEEDED FOR ECD MANAGEMENT) -500 GPM, 1990 PSI ON,1740 PSI OFF,80 RPM,8K TORQUE ON,7K TORQUE OFF,4-8K WOB -PU 167K,SO 125K,ROT 137K -ECD:ACTUAL=10.81 PPG,CALC=10.6 PPG -SURVEY EVERY STAND(NO BACKREAMING) -MUD WEIGHT IN/OUT:9.9 PPG -NO INDICATION OF SIGNIFICANT LOSSES WHILE DRILLING AHEAD Printed 11/6/2015 3:14:57PM • North America-ALASKA-BP • Page 16 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41©78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 06:00 - 12:00 8.00 DRILL P INTI DIRECTIONAL DRILL 9-1/2"INTERMEDIATE HOLE FROM 4250'MD TO 4744'MD(494'IN 6 HRS=82 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=75-300 FPH (ADJUST ROP AS NEEDED FOR ECD MANAGEMENT) -600 GPM, 2380 PSI ON,2130 PSI OFF,80 RPM,9K TORQUE ON,7K TORQUE OFF,8-10K WOB -PU 180K,SO 134K,ROT 144K -ECD:ACTUAL=10.79 PPG,CALC=10.6 PPG -SURVEY EVERY STAND(NO BACKREAMING) -MUD WEIGHT IN/OUT:9.8 PPG -NO INDICATION OF SIGNIFICANT LOSSES WHILE DRILLING AHEAD PUMP 40 BBL HI-VIS SWEEP AT 4266'MD: SIGNIFICANT INCREASE IN CUTTINGS(CLAY PATTIES AND FINES) PUMP 40 BBL HI-VIS SWEEP AT 4640'MD: MODERATE INCREASE IN CUTTINGS(CLAY AND GRAVEL) 12:00 - 18:00 6.00 DRILL P INTI DIRECTIONAL DRILL 9-1/2"INTERMEDIATE HOLE FROM 4744'MD TO 5265'MD(521'IN 6 HRS=87 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=100-200 FPH (ADJUST ROP AS NEEDED FOR ECD MANAGEMENT) -650 GPM, 2600 PSI ON,2450 PSI OFF,80 RPM,10K TORQUE ON,9K TORQUE OFF, • 7-10K WOB -PU 192K,SO 143K,ROT 157K -ECD:ACTUAL=10.91 PPG,CALC=10.6 PPG -SURVEY EVERY STAND(NO BACKREAMING) -MUD WEIGHT IN/OUT:9.9 PPG -NO INDICATION OF SIGNIFICANT LOSSES WHILE DRILLING AHEAD -LIMIT ROP TO 100 FPH THROUGH CLAY AT BASE OF SV. PUMP 40 BBL DRILLNSLIDE SWEEP AT 4800' MD DUE TO SUSPECTED BIT BALLING(LOW ROP) PUMP 40 BBL HI-VIS SWEEP AT 4820'MD: MINIMAL INCREASE IN CUTTINGS(CLAY PATTIES) Printed 11/6/2015 3:14:57PM • North America-ALASKA-BP Page 17 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/me:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41(d178.95usft(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 INTI DIRECTIONAL DRILL 9-1/2"INTERMEDIATE HOLE FROM 5265'MD TO 5755'MD(490'IN 6 HRS=82 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=100-250 FPH (ADJUST ROP AS NEEDED FOR ECD MANAGEMENT) -650 GPM, 2550 PSI ON,2490 PSI OFF,80 RPM,10K TORQUE ON,9K TORQUE OFF, 2-12K WOB -PU 196K,SO 148K,ROT 163K -ECD:ACTUAL=10.8-11.0 PPG,CALC=10.6 PPG(AVERAGE OF BAROID AND SLB MODELING) -SURVEY EVERY STAND -BACKREAM 15'PRIOR TO CONNECTIONS -MUD WEIGHT IN/OUT:9.9 PPG -NO INDICATION OF SIGNIFICANT LOSSES WHILE DRILLING AHEAD PUMP 40 BBL HI-VIS SWEEP AT 5419'MD: MINIMAL INCREASE IN CUTTINGS(COAL) ACTUAL DAILY DRILLING TIME=17.3 HR (ROTATING=14.8 HR,SLIDING=2.5 HR) NO ISSUES PERFORMING BUILD SLIDES FROM 20 DEG TO 33 DEG WITH BI-CENTER BIT 9/29/2015 00:00 - 06:00 6.00 DRILL P INTI DIRECTIONAL DRILL 9-1/2"INTERMEDIATE HOLE FROM 5755'MD TO 6320'MD(565'IN 6 HRS=94 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=150-225 FPH (ADJUST ROP AS NEEDED FOR ECD MANAGEMENT) -650 GPM,2630 PSI ON,2590 PSI OFF,80 RPM,12K TORQUE ON,11K TORQUE OFF, 2-12K WOB -PU 210K,SO 157K,ROT 171K -ECD:ACTUAL=10.77-10.91 PPG,CALC= 10.6 PPG -SURVEY EVERY STAND -BACKREAM 15'PRIOR TO CONNECTIONS -MUD WEIGHT IN/OUT:9.9 PPG -NO LOSSES WHILE DRILLING AHEAD PUMP 40 BBL HI-VIS SWEEP AT 5965'MD: RETURNS DUMPED TO CUTTINGS BOX(NO CHANGE TO ECD) Printed 11/6/2015 3:14:57PM • North America-ALASKA-BP • Page 18 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/me:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(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 9-1/2"INTERMEDIATE HOLE FROM 6320'MD TO 6651'MD(331'IN 6 HRS=55 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=100-175 FPH (ADJUST ROP AS NEEDED FOR ECD MANAGEMENT) -650 GPM,2730 PSI ON,2480 PSI OFF,80 RPM,13K TORQUE ON,12K TORQUE OFF, 2-12K WOB -PU 215K,SO 160K,ROT 177K -ECD:ACTUAL=10.66-10.77 PPG,CALC= 10.6 PPG -SURVEY EVERY STAND -BACKREAM 15'PRIOR TO CONNECTIONS -MUD WEIGHT IN/OUT:9.9 PPG -NO LOSSES WHILE DRILLING AHEAD PUMP 40 BBL HI-VIS SWEEP AT 6434'MD: RETURNS DUMPED TO CUTTINGS BOX(NO CHANGE TO ECD) 12:00 - 16:30 4.50 DRILL P+ INTI DIRECTIONAL DRILL 9-1/2"INTERMEDIATE HOLE FROM 6651'MD TO 6996'MD(345'IN 4.5 HRS=77 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=75-150 FPH (ADJUST ROP AS NEEDED FOR ECD MANAGEMENT) -625 GPM,2680 PSI ON,2460 PSI OFF,80 RPM,14K TORQUE ON,12K TORQUE OFF, 5-10K WOB -PU 225K,SO 167K,ROT 184K -ECD:ACTUAL=10.74-10.89 PPG,CALC= 10.6 PPG -SURVEY EVERY STAND -BACKREAM 15'PRIOR TO CONNECTIONS -MUD WEIGHT IN/OUT:9.9 PPG -NO LOSSES WHILE DRILLING AHEAD PUMP 30 BBL BIT-BALLING SWEEP 6850'MD DUE TO CLAYS(SUCCESSFUL) PUMP 40 BBL HI-VIS SWEEP AT 6910'MD: RETURNS DUMPED TO CUTTINGS BOX(NO CHANGE TO ECD) 16:30 - 17:30 1.00 DRILL P INTI CIRCULATE BOTTOMS-UP 2 TIMES TO REDUCE ECD -625 GPM,2500 PSI -80 RPM,12K TORQUE -RECIPROCATE 1 STAND AT 1000 FPH -ECD DECREASED FROM 11.0 PPG TO 10.8 PPG EMW Printed 11/6/2015 3:14:57PM • • North America-ALASKA-BP Page 19 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 17:30 - 00:00 6.50 DRILL P INTI DIRECTIONAL DRILL 9-1/2"INTERMEDIATE HOLE FROM 6996'MD TO 7315'MD(319'IN 6.5 HRS=49 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=25-75 FPH(ADJUST ROP AS NEEDED FOR ECD MANAGEMENT) -625 GPM,2780 PSI ON,2640 PSI OFF,90 RPM,14-15K TORQUE ON,13K TORQUE OFF, 5-7K WOB -PU 228K,SO 170K,ROT 187K -ECD:ACTUAL=11.44 PPG,CALC=10.9 PPG -SURVEY EVERY STAND -BACKREAM 15'PRIOR TO CONNECTIONS. BACKREAM FULL STAND AT 7280'MD WITH NO EFFECT ON ECD. -MUD WEIGHT IN/OUT:10.4 PPG -NO LOSSES WHILE DRILLING AHEAD GRADUALLY INCREASE MUD DENSITY FROM 9.9 PPG TO 10.4 PPG BETWEEN 7000'MD AND 7140'MD PUMP 40 BBL HI-VIS SWEEP AT 7189'MD: RETURNS DUMPED TO CUTTINGS BOX(ECD LOWERED) ACTUAL DAILY DRILLING TIME=16.4 HR (ROTATING=14.7 HR,SLIDING=1.7 HR) NO ISSUES PERFORMING MAINTENANCE SLIDES WITH BI-CENTER BIT 9/30/2015 00:00 - 06:00 6.00 DRILL P INTI DIRECTIONAL DRILL 9-1/2"INTERMEDIATE HOLE FROM 7315'MD TO 7662'MD(347'IN 6 HRS=58 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=75-125 FPH (ADJUST ROP AS NEEDED FOR ECD MANAGEMENT) -625 GPM,3020 PSI ON,2820 PSI OFF,90 RPM,16K TORQUE ON,14K TORQUE OFF, 6-12K WOB -PU 238K,SO 171 K,ROT 191K -ECD:ACTUAL=11.1-11.45 PPG,CALC=10.9 PPG -SURVEY EVERY STAND -BACKREAM 15'PRIOR TO CONNECTIONS. -MUD WEIGHT IN/OUT:10.4 PPG -NO LOSSES WHILE DRILLING AHEAD PUMP 40 BBL HI-VIS SWEEP AT 7510'MD: MINIMAL(50%)INCREASE IN CUTTINGS(NO CHANGE TO ECD) REDUCE MUD DENSITY BACK TO 10.4 PPG AND LOWER YP/LSYP TO BETTER CONTROL ECD(SUCCESS) Printed 11/6/2015 3:14:57PM • North America-ALASKA-BP Page 20 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code I NPT NPT Depth Phase Description of Operations (hr) (usft) 06:00 - 12:00 6.00 DRILL P INTI DIRECTIONAL DRILL 9-1/2"INTERMEDIATE HOLE FROM 7662'MD TO 7980'MD(318'IN 6 HRS=53 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=50-75 FPH(LIMITED BY WOB) -625 GPM,3170 PSI ON,2920 PSI OFF,90 RPM,16K TORQUE ON,14K TORQUE OFF, 12K WOB -PU 247K,SO 176K,ROT 199K -ECD:ACTUAL=11.1-11.3 PPG,CALC=10.9 PPG -SURVEY EVERY STAND -BACKREAM 15'PRIOR TO CONNECTIONS. -MUD WEIGHT IN/OUT:10.4 PPG -NO LOSSES WHILE DRILLING AHEAD 12:00 - 18:00 6.00 DRILL P INTI DIRECTIONAL DRILL 9-1/2"INTERMEDIATE HOLE FROM 7980'MD TO 8326'MD(346'IN 6 HRS=58 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=50-100 FPH (LIMITED BY WOB) -625 GPM,3290 PSI ON,2880 PSI OFF,90 RPM,18K TORQUE ON,15K TORQUE OFF, 7-17K WOB -PU 251K,SO 185K,ROT 206K -ECD:ACTUAL=11.3 PPG,CALC=10.9 PPG -SURVEY EVERY STAND -BACKREAM 15'PRIOR TO CONNECTIONS. -MUD WEIGHT IN/OUT:10.4 PPG -NO LOSSES WHILE DRILLING AHEAD PUMP 40 BBL HI-VIS SWEEP AT 8100'MD: MINIMAL(50%)INCREASE IN CUTTINGS(NO CHANGE TO ECD) PUMP 40 BBL BIT-BALLING SWEEP AT 8250' MD DUE TO CLAYS(SUCCESSFUL) 18:00 - 00:00 6.00 DRILL P INTI DIRECTIONAL DRILL 9-1/2"INTERMEDIATE HOLE FROM 8326'MD TO 8578'MD(252'IN 6 HRS=42 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=75 FPH(SLOWER WHEN SLIDING) -625 GPM,3160 PSI ON,2920 PSI OFF,90 RPM,15K TORQUE ON,11K TORQUE OFF, 8-13K WOB -PU 252K,SO 191 K,ROT 206K -ECD:ACTUAL=11.3 PPG,CALC=10.95 PPG -SURVEY EVERY STAND -BACKREAM 15'PRIOR TO CONNECTIONS. -MUD WEIGHT IN/OUT:10.4 PPG -NO LOSSES WHILE DRILLING AHEAD INCORPORATE 290 BBL BLACK PRODUCT SPIKE INTO ACTIVE MUD SYSTEM BY 8500' MD ACTUAL DAILY DRILLING TIME=19.2 HR (ROTATING=16.4 HR,SLIDING=2.8 HR) NO ISSUES WITH BI-CENTER BIT DIRECTIONAL CONTROL Printed 11/6/2015 3:14:57PM • • North America-ALASKA-BP Page 21 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 10/1/2015 00:00 - 06:00 6.00 DRILL P INTI DIRECTIONAL DRILL 9-1/2"INTERMEDIATE HOLE FROM 8578'MD TO 8830'MD(252'IN 6 HRS=42 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=75 FPH(SLOWER WHEN SLIDING) -625 GPM,3220 PSI ON,2960 PSI OFF,90 RPM,15K TORQUE ON,13K TORQUE OFF, 12-15K WOB -PU 260K,SO 196K,ROT 210K -ECD:ACTUAL=11.25 PPG,CALC=10.95 PPG -SURVEY EVERY STAND -BACKREAM 15'PRIOR TO CONNECTIONS. -MUD WEIGHT IN/OUT:10.4 PPG -NO LOSSES WHILE DRILLING AHEAD 06:00 - 12:00 6.00 DRILL P INTI DIRECTIONAL DRILL 9-1/2"INTERMEDIATE HOLE FROM 8830'MD TO 9081'MD(251'IN 6 HRS=42 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=75 FPH(SLOWER WHEN SLIDING) -625 GPM,3190 PSI ON,2850 PSI OFF,90 RPM,18K TORQUE ON,15K TORQUE OFF, 8-16K WOB -PU 272K,SO 198K,ROT 205K -ECD:ACTUAL=11.21 PPG,CALC=10.95 PPG -SURVEY EVERY STAND -BACKREAM 15'PRIOR TO CONNECTIONS. -MUD WEIGHT IN/OUT:10.4 PPG -NO LOSSES WHILE DRILLING AHEAD 12:00 - 16:00 4.00 DRILL P INTI DIRECTIONAL DRILL 9-1/2"INTERMEDIATE HOLE FROM 9081'MD TO 9266'MD(184'IN 4 HRS=46 FPH WITH CONNECTIONS) -INSTANTANEOUS ROP=75 FPH(SLOWER WHEN SLIDING) -625 GPM,3170 PSI ON,2810 PSI OFF,90 RPM,18K TORQUE ON,16K TORQUE OFF, 8-16K WOB -PU 274K,SO 203K,ROT 224K -ECD:ACTUAL=11.25 PPG,CALC=10.95 PPG -SURVEY EVERY STAND -BACKREAM 15'PRIOR TO CONNECTIONS. -MUD WEIGHT IN/OUT:10.4 PPG -NO LOSSES WHILE DRILLING AHEAD -ROTATING HOURS=9.7,SLIDING HOURS= 2.5 Printed 11/6/2015 3:14:57PM • • North America-ALASKA-BP Page 22 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 16:00 - 21:30 5.50 DRILL P INTI CIRCULATE UP SAMPLES FOR SAG RIVER PICK -NO INDICATIONS OF SAG IN FIRST SAMPLE -DRILL 5'TO 9,271'MD -CIRCULATE UP SAMPLES,SOME SIGNS OF TRANSITION FROM KINGAK TO SAG RIVER -DRILL 5'TO 9,276'MD CIRCULATE UP SAMPLES,GOOD INDICATION OF TRANSITION WITH VERY LITTLE GLAUCONITE -DRILL 2'TO 9,278'MD,8,452'TVD -CIRCULATE UP SAMPLES,GOOD GLAUCONITE SHOW,INTERMEDIATE TD CALLED -ESTIMATE TSGR AT 9269'MD/8443'TVD (-95'TVD BELOW TJA MARKER) -PLANNED 7"SET DEPTH AT 9273'MD(4' INTO SAG,5'OFF BOTTOM) 21:30 - 22:00 0.50 DRILL P INTI MONITOR WELL FOR 20 MINUTES-STATIC -TAKE SURVEY ON BOTTOM 22:00 - 22:30 0.50 DRILL P INTI START WIPER OFF BOTTOM -PUMP OUT AT 1 BPM,PULLING AT 40 FPM TO TOP OF HRZ AT 8,728'MD-NO ISSUES 22:30 - 00:00 1.50 DRILL P INTI PULL ON ELEVATORS TO 6,737'MD -COME OFF BOTTOM WITHOUT HOLE FILL ON,VERIFY NO SWABBING -INITIAL PU OFF BOTTOM:280K -VERIFY CORRECT HOLE FILL AT 5 AND 10 STANDS 10/2/2015 00:00 - 02:00 2.00 DRILL P INTI PERFORM WIPER TRIP ON ELEVATORS FROM 6737'MD TO INSIDE 9-5/8"CASING SHOE AT 3494'MD:NO ISSUES -PU 150K,SO 119KAT 3589'MD -FOLLOW PULLING SPEED SCHEDULE -NO HOLE ISSUES 02:00 - 02:30 0.50 DRILL P INTI MONITOR WELL AT SHOE:STATIC -CLEAR AND CLEAN FLOOR 02:30 - 06:00 3.50 DRILL P INTI RUN IN HOLE ON ELEVATORS FROM 3494'MD TO TD AT 9278'MD- NO ISSUES AND NO FILL ON BOTTOM. -BREAK CIRCULATION EVERY 2000'MD,168 GPM,470 PSI -WASHED DOWN WITH LAST STAND AT 2 BPM -HOLE TAKING CORRECT DISPLACEMENT 06:00 - 11:00 5.00 DRILL P INTI CIRCULATE HOLE CLEAN AND CONDITION MUD WITH 4 BOTTOMS UP. -STAGE UP PUMPS ACCORDING TO PRESSURE PLOT -625 GPM,2850 PSI(FINAL STAGE),50 RPM, 16K TORQUE,RECIPROCATE ONE FULL STAND AT 1000 FT/MIN -FINAL CALC CLEANHOLE ECD=10.9 PPG, ACTUAL=11.1 PPG,MINIMAL CUTTINGS AT SHAKERS -NO DYNAMIC LOSSES WHILE CIRCULATING. -PUMP 40 BBL HI-VIS SWEEP:MODERATE (100%)INCREASE IN SHALE CUTTINGS -SPOT 20 BBL DRILL AHEAD LCM PILL ON BOTTOM PER PROGRAM Printed 11/6/2015 3:14:57PM North America-ALASKA-BP Page 23 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 11:00 - 18:00 7.00 DRILL P INTI PULL OUT OF THE HOLE WITH 9-1/2" DRILLING BHA FROM SECTION TD AT 9278' MD TO BHAAT 842'MD. -MONITOR WELL FOR 10 MINUTES ON BOTTOM:STATIC -PUMPS OFF PICKUP WEIGHT ON BOTTOM= 290 KLBS,SLACKOFF=192 KLBS PUMP OUT FROM 9278'MD TO MIDDLE OF HRZ AT 8989'MD AT 1 BPM,120 PSI. PUMP PRESSURE SPIKE INDICATES DRILLSTRING RESTRICTION AT 8989'MD.POH ON ELEVATORS TO THRZ AT 8728'MD AND TROUBLESHOOT:NO SUCCESS POH ON ELEVATORS TO 842'MD -MONITOR WELL FOR 10 MINUTES AT 9-5/8" SHOE:STATIC -FOLLOW PULLING SPEED SCHEDULE -NO HOLE ISSUES -OVERDISPLACE-30 BBLS TO HOLE DURING TRIP(--5 BPH STATIC LOSSES) NOTE: ATTEMPT TO OPEN WELL COMMANDER(IN CASE CIRCULATION NEEDED DURING TRIP) -STAGE UP PRESSURE IN 500 PSI INCREMENTS FROM 1000 PSI TO 4000 PSI SEVERAL TIMES,HOLD 30 SEC EACH STAGE: NO SUCCESS 18:00 - 21:30 3.50 DRILL P INTI RACK BACK HWDP AND LAY DOWN REMAINDER OF 9-1/2"DRILLING BHA -HOLD PJSM DURING 10 MIN FLOWCHECK PRIOR TO PULLING BHA INTO STACK(WELL STATIC) -DISCOVER TOP OF MUD MOTOR PACKED WITH BICARB LCM -8-1/2"X 9-1/2"BI-CENTER BIT GRADE: 2-5-BT-A-X-3-LT-TD(MISSING NOZZLE) 21:30 - 23:00 1.50 BOPSUR P INTI CHANGE OUT UPPER VBR RAMS TO 7"PIPE RAMS -PULL WEAR RING -BARRIERS FOR CHANGEOUT: CLOSED BLIND RAMS AND STATIC FLUID COLUMN -LOWER TEST PLUG WITH TEST JOINT ASSEMBLY -TEST UPPER 7"PIPE RAMS TO 250 PSI LOW, 3500 PSI HIGH FOR 5 MINUTES EACH:PASS (SEE ATTACHED CHART) 23:00 - 00:00 1.00 CASING P INTI RIG UP TO RUN 7"INTERMEDIATE CASING -CLEAN AND CLEAR RIG FLOOR -CONTINUED ON 10/3 REPORT 10/3/2015 00:00 - 02:00 2.00 CASING P INTI RIG UP TO RUN 7"INTERMEDIATE CASING -RU VOLANT TOOL WITH BAKER CEMENT SWIVEL,6'BAIL EXTENSIONS,7"SIDE DOOR ELEVATORS,&10-3/4"DOUBLE STACK TORQUE TURN TONGS -INSTALL PS-21 WITH 7"INSERTS Printed 11/6/2015 3:14:57PM • North America-ALASKA-BP Page 24 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 02:00 - 09:30 7.50 CASING P INTI RUN 7",26#,L-80,VTHC INTERMEDIATE CASING TO SURFACE CASING SHOE AT 3548' MD. -FLOWCHECK WELL PRIOR TO RIH(STATIC) -CHECK FLOATS(PASS) -APPLY JET LUBE SEAL GUARD(FRICTION FACTOR 1.0)&TORQUE TURN VAMTOP CONNECTIONS TO 11,950 FT-LBS -RUN 3 PER 2 JOINTS FLOATING 8-3/4" CENTEK BOW-SPRING CENTRALIZERS ON JOINTS A-34 -RUN IN HOLE AT 90 FT/MIN FROM SURFACE -FILL CASING ON THE FLY EVERY JOINT& TOP OFF EVERY 10 JOINTS -OBTAIN PU/SO WEIGHTS EVERY 10 JOINTS -MUD WEIGHT IN/OUT:10.4 PPG CIRCULATE BOTTOMS-UP(100 BBLS)AT SURFACE CASING SHOE -9 BPM,850 PSI -ROTATING TORQUE AT 10 RPM=2500 FT-LBS 09:30 - 21:30 12.00 CASING P INTI RUN 7",26#,L-80,VTHC INTERMEDIATE CASING FROM SURFACE CASING SHOE AT 3548'MD TO PLANNED SETTING DEPTH OF 9273'MD,8447'TVD(5'OFF 9278'MD HOLE SECTION TD,—4'INTO SAG RIVER).FLOAT COLLAR AT 9185'MD. -APPLY JET LUBE SEAL GUARD(FRICTION FACTOR 1.0)&TORQUE TURN VAMTOP CONNECTIONS TO 11,950 FT-LBS -RUN IN HOLE AT 40-50 FT/MIN -FILL CASING ON THE FLY EVERY JOINT -CIRCULATE EVERY 10TH JOINT DOWN AT 3 BPM FOR 5 MIN FOR ENTIRE RUN,EXCEPT EVERY 5 JOINTS THROUGH UGNU(4851'MD- 6380'MD).CIRCULATE DOWN 6 JOINTS PRIOR TO THRZ FOR FULL BOTTOMS-UP. WASH DOWN FINAL JOINT AND TWO-PIECE LANDING JOINT PRIOR TO TD. -OBTAIN PU/SO WEIGHTS WITH PUMPS ON EVERY CIRCULATION -MUD WEIGHT IN/OUT:10.4 PPG -TOTAL LOSSES TO WELLBORE ON TRIP IN HOLE=20 BBLS -WSL CONFIRM PIPE COUNT IN BARN -AVERAGE 11 JOINTS PER HOUR FOR FULL RUN WITH DOUBLE STACK TONGS ROTATING TORQUES OBTAINED EVERY 20 JOINTS FOR EVALUATION OF 9-1/2" BI-CENTER BIT HOLE: -3839'MD @ 10 RPM=3 KFT-LBS -4665'MD @ 10 RPM=4 KFT-LBS -5491'MD 10 RPM=5 KFT-LBS -6315'MD @ 10 RPM=7 KFT-LBS -7141'MD @ 10 RPM=9 KFT-LBS -7967'MD @ 6 RPM=10 KFT-LBS Printed 11/6/2015 3:14:57PM • • North America-ALASKA-BP Page 25 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 21:30 - 00:00 2.50 CEMT P INTI CIRCULATE HOLE CLEAN AND CONDITION MUD FOR CEMENTING 1MTH 2 TOTAL BOTTOMS-UP -STAGE UP PUMPS PER WELL PROGRAM MODEL TO 9 BPM IN 0.5 BPM INCREMENTS -STAGE UP TO MAXIMUM 8.5 BPM SO AS NOT TO EXCEED 1000 PSI HARDLINE PER PROGRAM -8.5 BPM,920 PSI INITIAL CIRC PRESSURE, 940 PSI FINAL CIRC PRESSURE -NO RECIPROCATION(HANGER LANDED) -MW IN/OUT=10.4 PPG,CONDITION MUD FROM INITIAL YP 20 TO FINAL YP 16-18 STAGE UP DATA: -3 BPM,410 PSI -4 BPM,485 PSI -5 BPM,575 PSI -6BPM,685 PSI -7 BPM,785 PSI -8 BPM,840 PSI SIMOPS: -MIRU SCHLUMBERGER CEMENTERS 10/4/2015 00:00 - 02:30 2.50 CEMT P INTI CEMENT7"INTERMEDIATE CASING AS FOLLOWS: -PERFORM PRESSURE CROSSCHECK AND PRESSURE TEST SLB CEMENTING LINES WITH WATER TO 250 PSI LOW AND 4500 PSI HIGH FOR 5 MIN EACH(PASSING TESTS PER LEAKTIGHT CRITERIA) -PUMP 50 BBLS OF 12 PPG MUDPUSH II SPACER @ 5.5 BPM,550 PSI -RELEASE BOTTOM PLUG -PUMP 81.5 BBLS(457 SACKS)OF 15.8 PPG CLASS G TAIL @ 4.8 BPM,EXCESS VOLUME 30% (YIELD 1.17 CU.FT/SK) -DROP TOP PLUG PERFORM DISPLACEMENT WITH RIG PUMPS AND 10.4 PPG LSND MUD PER SLB CADE -300 BBLS DISPLACED AT 8 BPM:ICP 410 PSI, FCP 950 PSI -30 BBLS DISPLACED AT 7-5 BPM:ICP 855 PSI @ 7 BPM,FCP 845 PSI @ 5 BPM(DROP RATE DUE TO 1000 PSI HARDLINE) -REDUCE RATE TO 2 BPM PRIOR TO PLUG BUMP:FINAL CIRCULATING PRESSURE 775 PSI(CADE ESTIMATE:—700 PSI) -BUMP PLUG AND INCREASE PRESSURE TO 1400 PSI FOR 5 MIN,BLEED OFF AND CHECK FLOATS-GOOD -TOTAL DISPLACEMENT VOLUME 338 BBLS (MEASURED BY STROKES @ 96%PUMP EFFICIENCY) -NO RECIPROCATION DURING JOB -TOTAL LOSSES FROM CEMENT EXIT SHOE TO CEMENT IN PLACE:0 BBLS -CEMENT IN PLACE AT 02:33 -FIELD PICK TOC=7773'MD Printed 11/6/2015 3:14:57PM • North America-ALASKA-BP • Page 26 of 34 Operation Summary Report Common Well Name:02-41 [AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 1X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/me:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs ' Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 02:30 - 03:30 1.00 CASING P INTI PRESSURE TEST T"CASING TO 250 PSI LOW FOR 5 MIN/3500 PSI HIGH FOR 30 MIN -PRESSURE LOSS IN FIRST 15 MIN=10 PSI, SECOND 15 MIN=5 PSI -BBL IN=BBL OUT(5.5 BBL) -TEST APPROVED BY WTL(SEE ATTACHED CHART) 03:30 - 05:00 1.50 CASING P INTI RIG DOWN CASING EQUIPMENT -LD LANDING JOINT,VOLANT,SWIVEL AND BAIL EXTENTIONS -INSTALL 5"DP ELEVATORS 05:00 - 06:00 1.00 WHSUR P INTI SET 7"CASING PACKOFF -RU PACKOFF RUNNING TOOL AND SET WITH LDS 06:00 - 07:00 1.00 WHSUR P INTI PRESSURE TEST T"PACKOFF TO 250 PSI LOW FOR 5 MIN/5000 PSI HIGH FOR 30 MIN -PASS(SEE ATTACHED CHART) SIMOPS: -RD ALL CASING EQUIPMENT -CLEAN AND CLEAR RIG FLOOR 07:00 - 09:00 2.00 WHSUR P INTI PERFORM OA INJECTIVITY TEST -RIG UP TO INJECT 10.4 PPG LSND INTO 9-5/8"X 7"ANNULUS -INJECT 5 BBL AFTER PRESSURE STABILIZES AT 465 PSI,1 BPM(7.5 BBL TOTAL INJECTED) SIMOPS: -CHANGE OUT UPPER 7"RAMS TO 2-7/8"X 5-1/2"VBR 09:00 - 11:00 2.00 DRILL P INTI CHANGE OUT SAVER SUB FROM NC-50 TO XT-39 11:00 - 13:00 2.00 BOPSUR P INTI RIG UP FOR FULL BOPE PRESSURE TEST -RIG UP 4"TEST JOINT,XT-39 FOSV AND DART VALVE -INTALL TEST JOINT WITH TEST PLUG -FLUID PACK LINES 13:00 - 18:30 5.50 BOPSUR P INTI TEST BOPE TO 250 PSI LOW/3500 PSI HIGH FOR 5 MINUTES EACH -TEST WITH 4"AND 4-1/2"TEST JOINTS -ALL TESTS CHARTED(SEE ATTACHED BOP TEST CHARTS) -TEST WITNESS WAIVED BY AOGCC REP LOU GRIMALDI 18:30 - 19:00 0.50 BOPSUR P INTI RIG DOWN BOPE TESTING EQUIPMENT -PULL TEST PLUG AND INSTALL WEAR RING (ID=6-5/8") 19:00 - 20:00 1.00 EVAL P INTI MIRU SLB WIRELINE FOR CEMENT EVALUATION LOG -MAKE UP WIRELINE JUNK BASKET TOOLS Printed 11/6/2015 3:14.57PM • • North America-ALASKA-BP Page 27 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 20:00 - 00:00 4.00 EVAL P INTI RUN 6"GAUGE RING/JUNK BASKET TO 9116' MD -TAG UP AT 9116'(69'ABOVE ESTIMATED PBTD AT 9185'MD) -JUNK BASKET RETURNED 1/3 FULL WITH CLABBERED MUD AND CEMENT -DECIDE TO RUN SECOND JUNK BASKET TO CONFIRM ABILITY TO LOG FROM 9110'MD(10' MD BELOW BPTR)TO CONFIRM ZONAL ISOLATION SIMOPS: FREEZE PROTECT 9-5/8"X 7"ANNULUS TO 2200'MD/2140'TVD -PUMP 5 BBL 10.4 PPG LSND MUD AT 2.5 BPM,500 PSI -PUMP 62 BBL DIESEL AT 2 BPM,1000 PSI -TOTAL FLUID PUMPED IN OA:75 BBL(<110 BBL MAX,110%OF TOTAL OA VOLUME) UNANNOUNCED KICK WTIH WIRELINE DRILL: -SIMULATE FAILED ANNULAR PREVENTER AND FAILED WIRE CUTTER -AAR WITH CREWAND SLB AFTER WELL SECURED 10/5/2015 00:00 - 09:00 9.00 EVAL P INTI RUN SECOND 6"GAUGE RING/JUNK BASKET TO 9110'MD -RUN IN HOLE WITH NO ISSUES -JUNK BASKET RETURNED EMPTY RUN USIT/CCL/GR CEMENT EVALUATION LOG TO 9112'MD -LOG UP FROM 9112'MD(12'MD BELOW BPTR)TO 7115'MD -AUTHORIZED TO PROCEED BY ODE BASED ON SUFFICIENT ZONAL ISOLATION VIA LOG INTERPRETATION(-115'CIRCUMFERENTIAL ISOLATION BETWEEN BCM3 AND TPTR) RIG DOWN SLB WIRELINE SIMOPS: -LD 5"DRILL PIPE OFFLINE 09:00 - 12:30 3.50 EVAL P INTI PICK UP 6-1/8"PRODUCTION SECTION DRILLING BHA TO 549'MD -MU 6-1/8"HCC PDC BIT WITH AUTOTRAK RSS -INCLUDE ONTRAK GR/RES/DIRECTIONAL AND SDN ASSEMBLY 12:30 - 16:00 3.50 EVAL P INTI RIH WITH 6-1/8"DRILLING ASSEMBLY FROM 549'MD TO 7178'MD -RIH ON ELEVATORS WITH 4"DP STANDS -PULSER TEST AT 1495'MD,300 GPM,1450 _PSI(PASS) 16:00 - 18:00 2.00 EVAL P INTI UNANNOUNCED KICK WHILE TRIPPING DRILL WITH COMPLEXITY SCENARIOS AND AAR -SHUT IN WELL AND PERFORM WELL KILL DRILL WITH MULTIPLE CREW MEMBERS PRIOR TO DRILLING OUT SHOE TRACK(PER NEW BP PRACTICE 100204) -CIRCULATE THROUGH SUPER CHOKE TO SIMULATE WELL CONTROL EVENT Printed 11/6/2015 3:14:57PM • North America-ALASKA-BP • Page 28 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Tme:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UW:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 18:00 - 19:00 1.00 EVAL N DFAL 9,278.00 INTI TROUBLESHOOT MWD TOOL -NO COMMUNICATION FROM PULSER -DECIDE TO CONTINUE WITH SHOE TRACK DRILLOUT AND DISPLACEMENT BEFORE POOH 19:00 - 19:30 0.50 EVAL P INTI RIH WITH 6-1/8"DRILLING ASSEMBLY FROM 7178'MD TO 8978'MD -RIH ON ELEVATORS WITH 4"DP STANDS -PU 186K,SO 132KAT 8978'MD 19:30 - 20:00 0.50 EVAL P INTI WASH DOWN WITH 6-1/8"DRILLING ASSEMBLY FROM 8978'MD TO 9123'MD. -84 GPM,490 PSI -TAG HARD CEMENT AT 9123'(62'ABOVE FLOAT COLLAR) -RECORD SLOW PUMP RATES WITH NEW BHA 20:00 - 23:00 3.00 EVAL P INTI DRILL OUT SHOE TRACK CEMENT FROM 9123'MD TO 9261'MD(12'ABOVE 7"CASING SHOE) -230 GPM,1665 PSI,60-70 RPM,8K TORQUE ON,WOB 6-10K LBS -PU 190K,SO 132K,ROT 153K -MUD WEIGHT IN/OUT=10.4 PPG -TAGGED PLUGS/FLOAT ON DEPTH AT 9184' MD(1.3 HRS TO DRILL THROUGH PLUGS AND FLOAT COLLAR) 23:00 - 00:00 1.00 EVAL P INTI DISPLACE 10.4 PPG LSND WITH 8.6 PPG QUIKDRIL-N -325 GPM,1870 PSI -ROTATE 90 RPM,RECIPROCATE PIPE 90 FT -PUMP 50 BBL SEAWATER,35 BBL 8.6 PPG EP MUDLUBE FOLLOWED BY 35 BBL 8.6 PPG HI-VIS SPACER SWEEP _ 10/6/2015 00:00 - 00:30 0.50 EVAL P INTI DISPLACE 10.4 PPG LSND WITH 8.6 PPG QUIKDRIL-N -325 GPM,1870 PSI -ROTATE 90 RPM,RECIPROCATE PIPE 90 FT -PUMP 50 BBL SEAWATER,35 BBL 8.6 PPG EP MUDLUBE FOLLOWED BY 35 BBL 8.6 PPG HI-VIS SPACER SWEEP 00:30 - 04:30 4.00 EVAL N DFAL 9,278.00 INTI POOH ON ELEVATORS FROM 9261'MD TO 549'MD DUE TO MWD FAILURE -MONITOR WELL FOR 15 MINUTES AFTER DISPLACEMENT AND PRIOR TO POOH(PER NEW BP PRACTICE 100204):STATIC -MUD WEIGHT IN/OUT=8.6 PPG -PU 202K,SO 165KAT 9261'MD -MONITOR WELL BEFORE PULLING BHA ABOVE BOP-STATIC 04:30 - 07:00 2.50 EVAL N DFAL 9,278.00 INTI RACK BACK 6-1/8"DRILLING ASSEMBLY TO TROUBLESHOOT MWD TOOLS -UN-ABLE TO DETERMINE CAUSE FOR TOOL FAILURE,SEND TO SHOP FOR EVALUATION 07:00 - 09:30 2.50 EVAL N DFAL 9,278.00 INTI MAKE UP 6-1/8"DRILLING ASSEMBLY#5 TO 549'MD -MAKE UP NEW ONTRAK,STABILIZER,AND BCPM AND RUN IN HOLE. 09:30 - 12:00 2.50 EVAL N DFAL 9,278.00 INTI RUN IN HOLE TO 4,335'MD -SHALLOW TEST MWD-GOOD TEST 12:00 - 14:00 2.00 EVAL N DFAL 9,278.00 INTI RUN IN HOLE FROM 4,335'MD TO 8,600'MD Printed 11/6/2015 3:14:57PM • North America-ALASKA-BP • Page 29 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/me:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 14:00 - 15:30 1.50 EVAL P INTI HOLD PRE JOB SAFETY MEETING FOR SLIP AND CUT -CUT AND SLIP 94'OF DRILL LINE -CALIBRATE BLOCKS 15:30 - 16:00 0.50 EVAL N DFAL 9,278.00 INTI RUN IN HOLE FROM 8,600'MD TO 9,100'MD 16:00 - 17:30 1.50 EVAL N DFAL 9,278.00 INTI MAD PASS LOG FROM 9,100'MD TO 9,259'MD -PUMP AT 300 GPM WITH 1525 PSI -ROTATE AT 35 RPM WITH 5K TORQUE -RUN AT 180 FEET PER HOUR 17:30 - 18:30 1.00 EVAL P INTI DRILL CEMENT AND CASING SHOE FROM 9,260'MD TO 9,273'MD -DRILL UP RATHOLE TO 9,278'MD 11:30 - 19:30 1.00 DRILL P PROD1 DRILL NEW HOLE FROM 9278'MD TO 9,298' MD -DRILL AT 300 GPM WITH 1550 PSI -ROTATE AT 80 RPM WITH 9K TORQUE -WOB 5-9K 19:30 - 20:00 0.50 DRILL P PROD1 CIRCULATE BOTTOMS UP AT 300 GPM WITH 1550 PSI -ROTATE AT 80 RPM AND RECIPROCATE -CIRCULATE HOLE TO EVEN IN AND OUT 8.6 PPG 20:00 - 21:00 1.00 EVAL P PROD1 RIG UP TO PERFORM FIT -MUD WEIGHT IN AND OUT 8.6 PPG,8,447' ND -PRESSURE UP AND ESTABLISH FIT AT 875 PSI,10.59 PPG EMW -PUMP 1.3 BBLS,BLEED BACK 1.3 BBLS -SEND RESULTS TO TOWN ODE,TEST APPROVED 21:00 - 21:30 0.50 DRILL P PROD1 SERVICE RIG FLOOR EQUIPMENT 21:30 - 00:00 2.50 DRILL P PROD1 DIRECTIONAL DRILL AHEAD FROM 9,298'MD TO 9,358'MD -300 GPM WITH 1550 PSI,ROTATE AT 120 RPM WITH 9K TORQUE ON,8K TORQUE OFF -WOB 5-10K -UP WEIGHT 191K,DOWN 150K,ROTATE 156K -SURVEY EVERY 10'FROM 9,330'MD TO 9,350'MD DUE TO SHOE INTERFERENCE- OBTAIN GOOD SURVEY -MUD WEIGHT IN AND OUT 8.6 PPG. 10/7/2015 00:00 - 06:00 6.00 DRILL P PROD1 DIRECTIONAL DRILL AHEAD FROM 9,358'MD TO 9,628'MD -300 GPM WITH 1760 PSI,ROTATE AT 140 RPM WITH 10K TORQUE ON,9K TORQUE OFF -WOB 5-15K -SURVEY EVERY 30'DUE TO 6°DOGLEGS -MUD WEIGHT IN AND OUT 8.6 PPG. -NO BACKREAMING ON CONNECTIONS 06:00 - 12:00 6.00 DRILL P PROD1 DIRECTIONAL DRILL AHEAD FROM 9,628'MD TO 9,926'MD -320 GPM WITH 1780 PSI,ROTATE AT 140 RPM WITH 10K TORQUE ON,10K TORQUE OFF -WOB 5-15K -SURVEY EVERY 30'DUE TO DOGLEGS -MUD WEIGHT IN AND OUT 8.6 PPG. -NO BACKREAMING ON CONNECTIONS Printed 11/6/2015 3:14:57PM • • North America-ALASKA-BP Page 30 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/lime:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 12:00 - 14:00 2.00 DRILL P PROD1 DIRECTIONAL DRILL AHEAD FROM 9,926'MD TO 10,017'MD -320 GPM WITH 1840 PSI,ROTATE AT 140 RPM WITH 10K TORQUE ON,8K TORQUE OFF -WOB 12-14K -SURVEY EVERY 30'DUE TO DOGLEGS -MUD WEIGHT IN AND OUT 8.6 PPG. -NO BACKREAMING ON CONNECTIONS 14:00 - 14:30 0.50 DRILL P PROD1 SERVICE TOP DRIVE/NOTICED LOWER BEARING ON TRACTION MOTOR ON TD LEAKING BEARING GREASE,GEAR BOX OIL WAS AIRED UP/DRAIN 3 GALLONS OF OIL OUT OF GEAR BOX/GREASE LOWER BEARING.CHECK BEARING TEMP AND BEARING PLAY ALL WITHIN NORMAL RANGE 14:30 - 17:30 3.00 DRILL P PROD1 DIRECTIONAL DRILL AHEAD FROM 10,017'MD TO 10,112'MD -320 GPM WITH 1830 PSI,ROTATE AT 140 RPM WITH 10K TORQUE ON,8K TORQUE OFF -WOB 14K -SURVEY EVERY 30'DUE TO DOGLEGS -MUD WEIGHT IN AND OUT 8.6 PPG. -NO BACKREAMING ON CONNECTIONS 17:30 - 18:00 0.50 DRILL P PROD1 INSPECT TOP DRIVE/OIL AND TEMP ON LOWER BEARING WITHING RANGE/INSPECT DERRICK,CROWN AND SERVICE 18:00 - 00:00 6.00 DRILL P PROD1 DIRECTIONAL DRILL AHEAD FROM 10,112'MD TO 10,300'MD -320 GPM WITH 1880 PSI,ROTATE AT 140 RPM WITH 11K TORQUE ON,9K TORQUE OFF -WOB 10K-14K -SURVEY EVERY 30'DUE TO DOGLEGS -MUD WEIGHT IN AND OUT 8.6 PPG. -NO BACKREAMING ON CONNECTIONS -CROSSED OVER INTO THE 14N SHALE WHICH CAME IN HIGH.TURNED UP AT 93-95° FOR<10°DLS TO GO BACK THROUGH 14N AND FLATTEN OUT ABOVE HOT. -ENCOUNTERED MAGNETIC INTERFERENCE AT 10,259'MD,STOP DRILLING,PULL UP TAKE SEVERAL SURVEYS,CHECK FOR NEARBY WELLS OR WELLBORES,NONE INDICATED TO BE CLOSER THAN 60'.DISCUSS ISSUE WITH I-CENTER TO VERIFY PROPER DATA INCREASED SOLAR ACTIVITY NOTED. SURVEYS STARTED TO CLEAN UP AT SPOT CHECKS FOR PREVIOUS STATIONS THAT WERE UN-ACCEPTABLE SURVEYS.MADE DECISION TO WAIT FOR CORRECTIONS FOR NEXT COUPLE SURVEY STATIONS GOING FORWARD TO INCREASE ASSURANCE WE ARE NOT APPROACHING ANTI-COLLISION SCENARIO.AS OF MIDNIGHT CONTINUE TO SHOW NO INTERFERENCE. Printed 11/6/2015 3:14:57PM • • North America-ALASKA-BP Page 31 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/me:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 10/8/2015 00:00 - 06:00 6.00 DRILL P PROD1 DIRECTIONAL DRILL AHEAD FROM 10,300'MD TO 10,581'MD -320 GPM WITH 1890 PSI,ROTATE AT 140 RPM WITH 11K TORQUE ON,10K TORQUE OFF -WOB 13K-14K -SURVEY EVERY 30'DUE TO DOGLEGS -NO MAGNETIC INTERFERENCE OBSERVED -MUD WEIGHT IN AND OUT 8.6 PPG. -NO BACKREAMING ON CONNECTIONS 06:00 - 12:00 6.00 DRILL P PROD1 DIRECTIONAL DRILL AHEAD FROM 10,581'MD TO 10,842'MD -320 GPM WITH 1940 PSI,ROTATE AT 140 RPM WITH 12K TORQUE ON,10K TORQUE OFF -WOB 13K-14K -SURVEY EVERY 30'DUE TO DOGLEGS -MUD WEIGHT IN AND OUT 8.6 PPG. -NO BACKREAMING ON CONNECTIONS -SAILED IN TARGET 1 FROM 10,743 12:00 - 18:00 6.00 DRILL P PROD1 DIRECTIONAL DRILL AHEAD FROM 10,842'MD TO 11,295'MD -320 GPM WITH 2020 PSI,ROTATE AT 140 RPM WITH 12K TORQUE ON,10K TORQUE OFF -WOB 13K-16K -SURVEY EVERY 90' -MUD WEIGHT IN AND OUT 8.6 PPG. -NO BACKREAMING ON CONNECTIONS -PUMP 15 BBLS HI-VIS SWEEP AT 11,252'MD WITH 15%INCREASE IN CUTTINGS. (MINIMAL) -INVERTED AT 11,205'MD,TOE UP TO ZONE 2B 18:00 - 23:30 5.50 DRILL P PROD1 DIRECTIONAL DRILL AHEAD FROM 11,295'MD TO 11,631'MD -320 GPM WITH 2055 PSI,ROTATE AT 140 RPM WITH 12K TORQUE ON,10K TORQUE OFF -WOB 8-10K -SURVEY EVERY 30'DUE TO DOGLEGS -MUD WEIGHT IN AND OUT 8.6 PPG. -NO BACKREAMING ON CONNECTIONS -PUMP 20 BBLS HI-VIS SWEEP AT 11,631'MD WITH 15%INCREASE IN CUTTINGS. (MINIMAL) 23:30 - 00:00 0.50 DRILL P PROD1 SERVICE BLOCKS,TOP DRIVE AND WASH PIPE -INSPECT LOWER TOP DRIVE TRACTION MOTOR BERING,ALL WITHIN SPECS 10/9/2015 00:00 - 06:00 6.00 DRILL P PROD1 DIRECTIONAL DRILL AHEAD FROM 11,631'MD TO 11,990'MD -PROGRESS 60 FPI-I WITH CONNECTIONS -320 GPM WITH 2060 PSI,ROTATE AT 140 RPM WITH 14K TORQUE ON,11K TORQUE OFF -WOB 16K -SURVEY EVERY 30'DUE TO DOGLEGS -MUD WEIGHT IN AND OUT 8.7 PPG. -NO BACKREAMING ON CONNECTIONS -REVERT AT 11,652'MD TO FOLLOW ZONE 2B Printed 11/6/2015 3:14:57PM North America-ALASKA-BP Page 32 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(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 PROD1 DIRECTIONAL DRILL AHEAD FROM 11,990'MD TO 12,231'MD -PROGRESS 40 FPH WITH CONNECTIONS -320 GPM WITH 2090 PSI,ROTATE AT 140 RPM WITH 12K TORQUE ON,11K TORQUE OFF -WOB 14K SURVEY EVERY 30'DUE TO DOGLEGS -MUD WEIGHT IN AND OUT 8.7 PPG. -NO BACKREAMING ON CONNECTIONS SIMOPS:HELD PLANNING MEETING WITH DOYON CASING AND SCHULUMBERGER FOR UPCOMING LINER RUN. 12:00 - 16:00 4.00 DRILL P PROD1 DIRECTIONAL DRILL AHEAD FROM 12,231'MD TO 12,484'MD -PROGRESS 63 FPH WITH CONNECTIONS -320 GPM WITH 2125 PSI,ROTATE AT 140 RPM WITH 13K TORQUE ON,10K TORQUE OFF -WOB 14K -SURVEY EVERY 90' -MUD WEIGHT IN AND OUT 8.6 PPG. -NO BACKREAMING ON CONNECTIONS -STARTING TO SEE LOSSES IN THE 8-10 BPH RANGE -PUMPED 20 BBL HI-VIS SWEEP,NO INCREASE IN CUTTINGS 16:00 - 16:30 0.50 DRILL P PROD1 PERFORM RIG SERVICE -GREASE WASH PIPE,CHECK FLUID LEVELS, GREASE ROLLER -CONTINUE TO CHECK TEMPERATURES EVERY STAND DOWN AND FLUID LEVELS EVERY OTHER STAND WITH NO INDICATION OFA CHANGE IN TRENDS 16:30 - 00:00 7.50 DRILL P PROD1 DIRECTIONAL DRILL AHEAD FROM 12,484'MD TO 12,863'MD -PROGRESS 51 FPH WITH CONNECTIONS -320 GPM WITH 2140 PSI,ROTATE AT 140 RPM WITH 13K TORQUE ON,10K TORQUE OFF -WOB 14K,UP WEIGHT 201K,DOWN WEIGHT 141K,ROTARY WEIGHT 153K -SURVEY EVERY 90' -MUD WEIGHT IN AND OUT 8.7 PPG. -NO BACKREAMING ON CONNECTIONS -LOSSES STILL AT 8-10 BPH SIMOPS:HELD PLANNING MEETING AND PLAN FORWARD WITH HALLIBURTON FOR UPCOMING LINER RUN. Printed 11/6/2015 3:14:57PM North America-ALASKA-BP Page 33 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Daterme:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 10/10/2015 00:00 - 08:00 8.00 DRILL P PROD1 DIRECTIONAL DRILL AHEAD FROM 12,863'MD ., TO 13,104'MD -PROGRESS 30 FPH WITH CONNECTIONS -320 GPM WITH 2145 PSI,ROTATE AT 140 RPM WITH 14K TORQUE ON,12K TORQUE OFF -WOB 16K -SURVEY EVERY 30'DUE TO DOGLEGS -MUD WEIGHT IN AND OUT 8.7 PPG. -NO BACKREAMING ON CONNECTIONS -LOSSES STILL AT 8-10 BPH -PRESSURE INCREASE TO 2900 PSI, CHECKED DOWN HOLE TOOLS AND SURFACE EQUIPMENT-NO ISSUES -UNABLE TO MAKE HEAD WAY.ATTEMPT CHANGING UP DRILLING PARAMETERS WITH NO SUCCESS. -REACHED PLANNED TD OF 13,104'MD, 9,035'TVD -PREPARE TO PULL OUT OF THE HOLE TO RUN LINER 08:00 - 09:00 1.00 DRILL P PROD1 CIRCULATE SWEEP SURFACE TO SURFACE WITH NO INCREASE IN CUTTINGS -PUMP AT 350 GPM WITH 2250 PSI,ROTATE AT 140 RPM WITH 12K TORQUE -MUD WEIGHT IN AND OUT 8.7 PPG 09:00 - 11:30 2.50 DRILL P PROD1 MAD PASS LOG FROM 13,104 MD TO 12,750' MD -PUMP AT 320 PSI WITH 2080 PSI -ROTATE AT 80 RPM AND PULL AT 250 FPH 11:30 - 14:30 3.00 DRILL P PROD1 PUMP OUT OF HOLE FROM 12,750 MD TO 11,158'MD -PUMP AT 320 GPM WITH 1900 PSI -PULL AT40FPH TO70FPH 14:30 - 16:00 1.50 DRILL P PROD1 POOH ON ELEVATORS FROM 11,158'MD TO 7" SHOE AT 9,273'MD -MONITOR WELL FOR 15 MINUTES,STATIC LOSS RATE IS 4 BPH 16:00 - 16:30 0.50 DRILL P PROD1 PERFORM RIG SERVICE -GREASE WASH PIPE,BLOCKS AND ROLLERS -CHECK TOP DRIVE OIL LEVELS,ALL GOOD -CHECK TOP DRIVE TRACTION MOTOR BEARING TEMPERATURE,ALL GOOD 16:30 17:00 0.50 DRILL P PROD1 CIRCULATE BOTTOMS UP AT THE SHOE, 9,273'MD -PUMP AT 340 GPM WITH 1930 PSI -ROTATE AT 140 RPM WITH 5K TORQUE -RECIPROCATE PIPE 17:00 - 19:30 2.50 DRILL P PROD1 RUN IN HOLE ON ELEVATORS TO 13,052'MD -WASH DOWN FROM 13,052'MD TO 13,104' MD AT 2 BPM WITH 570 PSI -NO ISSUES Printed 11/6/2015 3:14:57PM North America-ALASKA-BP Page 34 of 34 Operation Summary Report Common Well Name:02-41 AFE No Event Type:DRL-ONSHORE(DON) Start Date:9/19/2015 End Date:10/11/2015 X3-0174J-C:(8,420,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 19:30 - 23:00 3.50 DRILL P PROD1 CIRCULATE UNTIL CLEAN HOLE -PUMP AT 350 GPM WITH 2500 PSI -ROTATE AT 140 RPM WITH 10K TORQUE -RECIPROCATE AT 700 FPM DOWN 250 FPM UP -PUMP 20 BBL LO-VIS,20 BBL HI-VIS COMBO SWEEPS WITH 15%CUTTINGS INCREASE BUT RETURNS NOT CLEANING UP -PUMP 35 BBLS HI-VIS SWEEP WITH 25% INCREASE IN CUTTINGS AT LEADING EDGE OF SWEEP -AFTER SWEEP RETURNS CLEANED UP 23:00 - 00:00 1.00 DRILL P PROD1 PUMP OUT OF HOLE FROM 13,052'MD TO 12,580'MD -MONITOR WELL FOR 15 MINUTES PRIOR TO PUMPING OUT -MUD WEIGHT IN AND OUT 8.7 PPG -PUMP AT 320 GPM WITH 1990 -PULL AT 40 FPM STAGING UP PUMPS EACH CONNECTION 10/11/2015 00:00 - 02:00 i 2.00 DRILL P PROD1 PUMP OUT OF HOLE FROM 12,580'MD TO 11,160'MD -MONITOR WELL FOR 15 MINUTES PRIOR TO PUMPING OUT -MUD WEIGHT IN AND OUT 8.7 PPG -PUMP AT 320 GPM WITH 1990 -PULL AT 40 FPM STAGING UP PUMPS EACH CONNECTION -MONITOR WELL,NO FLOW, 4 BPH LOSSES 02:00 - 03:30 1.50 DRILL P PROD1 POOH ON ELEVATORS FROM 11,160'MD TO 9,200'MD -MONITOR WELL FOR 15 MINUTES-NO FLOW 03:30 - 04:00 0.50 DRILL P PROD1 CIRCULATE BOTTOMS UP -PUMP AT 350 GPM WITH 2000 PSI -ROTATE AT 60 RPM WITH 4K TORQUE -RETURNS CLEAN -PULL STAND TO VERIFY CLEAR AND NO SWABBING -PUMP DRY JOB -DROP 2.0"RABBIT 04:00 - 08:30 4.50 DRILL P PROD1 POOH ON ELEVATORS FROM 9,200'MD TO BHAAT 549'MD -MONITOR WELL FOR 15 MINUTES-STATIC 08:30 - 09:00 0.50 BOPSUR P PROD1 FUNCTION TEST BOP-PASS 09:00 - 10:30 1.50 DRILL P PROD1 PULL AND LAY DOWN BHA FROM 549'MD. -BIT CONED OUT,8/5 END DON EVENT SEE CON EVENT FOR FURTHER SUMMARY Printed 11/6/2015 3:14:57PM • • North America-ALASKA-BP Page 1 of 5 Operation Summary Report Common Well Name:02-41 AFE No Event Type:COM-ONSHORE(CON) Start Date:10/11/2015 End Date:10/14/2015 X3-0174J-C:(2,090,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) • Date From-To Hrs I Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 10/11/2015 10:30 - 11:00 0.50 CASING P RUNPRD CLEAR AND CLEAN FLOOR. 11:00 - 12:00 1.00 CASING P RUNPRD RIG UP TO RUN PRODUCTION LINER. -PICK UP POWER TONGS AND RIG UP -RIG UP HANDLING EQUIPMENT 12:00 - 18:00 6.00 CASING P RUNPRD RUN 4-1/2",12.6#,13CR PRODUCTION LINER TO 4,118'MD -MAKE UP SHOE TRACK,CHECK FLOATS- FLOATS HOLDING -BAKERLOC SHOE TRACK JOINTS -USE JET LUBE SEAL GUARD PIPE DOPE -TORQUE CONNECTIONS TO 4400 FT-LBS -FILL TUBING EVERY 20 JOINTS 18:00 - 22:30 4.50 CASING N SFAL RUNPRD ATTEMPT TO MAKE UP CROSSOVER PUP FROM VAMTOP TO HYDRIL ON HANGER -MADE 3 ATTEMPTS TO SHOULDER UP WITH HIGH SHOULDER MARK NOT ALLOWING ANY DELTA TORQUE -PULL AND CLEAN THREADS,NO APPARENT THREAD DAMAGE BUT SHOULDER LENGTH APPEARS TO BE SHORT -CHANGE COLLAR OUT ON LAST LINER JOINT -MAKE ONE LAST ATTEMPT TO MAKE UP CROSSOVER PUP-HIGH SHOULDER ONCE AGAIN -CALL FOR REPLACEMENT HYDRIL 521 BOX BY VAMTOP PIN CROSSOVER -MAKE NOTIFICATION TO ODE -CROSSOVER ARRIVED ON LOCATION,MAKE UP WITH NO ISSUES 22:30 - 00:00 1.50 CASING P RUNPRD MAKE UP LINER HANGER,PACKER ASSEMBLY -CIRCULATE 1.5 TIMES LINER VOLUME AT 5 BPM WITH 910 PSI -PICK UP WEIGHT 87K,DOWN WEIGHT 82K -XRV VIBRATORY TOOL APPEARS TO BE WORKING -PIPE MOVEMENT ON SURFACE AND VIBRATION FELT ON RIG FLOOR -MAKE UP LINER TO FIRST STAND OF HWDP 10/12/2015 00:00 - 08:00 8.00 CASING P RUNPRD RUN 4-1/2",12.6#,13CR,VAMPTOP LINER TO 13,104'MD -RUNNING SPEED AT 1 STAND PER MINUTE -CIRCULATE DOWN EVERY 10 STANDS TAKE UP AND DOWN WEIGHT -CIRCULATE 1 LINER VOLUME AND DP VOLUME AT 7"SHOE,9,273'MD -RUN INTO OPEN HOLE FILLING EVERY 10 STANDS -RIH AT 60-FT/MIN FROM 9,273'MD -WASH LAST 30 FT TO BOTTOM -MUD WEIGHT:8.7 PPG IN AND 8.7 PPG OUT Printed 11/6/2015 3:15:34PM North America-ALASKA-BP Page 2 of 5 Operation Summary Report Common Well Name:02-41 AFE No Event Type:COM-ONSHORE(CON) Start Date:10/11/2015 End Date:10/14/2015 X3-0174J-C:(2,090,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/me:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UW I:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Firs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 08:00 - 11:00 3.00 CEMT P RUNPRD STAGE UP TO CEMENTING RATE IN 0.5 BPM INCREMENTS TO FINAL CIRCULATING RATE OF 4.5 BPM -@ 2 BPM,780 PSI,3%RETURN FLOW -@ 3 BPM,970 PSI,4%RETURN FLOW -@ 4 BPM,1250 PSI,5%RETURN FLOW -@ 4.5 BPM,1600 PSI,5%RETURN FLOW -CONDITION MUD TO 8.7 PPG,36 PV,17 YP -INITIAL PRESSURE AT CEMENTING RATE: 1600 PSI -FINAL PRESSURE AT CEMENTING RATE: 1600 PSI -CIRCULATE TOTAL OF 3X BOTTOMS UP -RECIPROCATED PIPE 5 FT AT SURFACE AT 500 FT/MIN -MUD LOST DURING CIRCULATION:4 BBLS -RU SLB CEMENTERS Printed 11/6/2015 3:15:34PM • • North America-ALASKA-BP Page 3 of 5 Operation Summary Report Common Well Name:02-41 AFE No Event Type:COM-ONSHORE(CON) Start Date:10/11/2015 End Date:10/14/2015 X3-0174J-C:(2,090,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/me:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 11:00 - 14:00 3.00 CEMT P RUNPRD CEMENT 4-1/2"PRODUCTION LINER AS FOLLOWS: -PJSM WITH ALL PARTIES AND COVER PRESSURE CROSSCHECK -FILL LINES WITH WATER AND PRESSURE TEST TO 250 PSI LOW AND 4800 PSI HIGH FOR 5 MINUTES PUMP 35 BBLS OF 10 PPG MUDPUSH II SPACER @ 5 BPM,ICP-1583 PSI,FCP-1219 PSI -PUMP 84.0 BBLS OF 15.8 PPG CLASS G TAIL @ 5 BPM,EXCESS VOLUME 10% (YIELD 1.17 CU.FT/SK) -DROP DRILL PIPE WIPER DART -DID NOT RECIPROCATE PIPE PERFORM DISPLACEMENT WITH SLB CEMENTERS -DISPLACEMENT FLUID:151 BBLS OF 8.5 PPG SEAWATER -80 BBLS DISPLACED AT 5 BPM:ICP 127 PSI, FCP 1400 PSI(CATCH CEMENT AT 59 BBL) -SLOW TO 2 BPM TO LATCH DART -LATCH UP CONFIRMED AT 88.8 BBLS DISPLACED -INCREASE PUMP RATE TO 4 BPM AT 92 BBL AWAY:ICP 1871 PSI,FCP 1981 PSI -REDUCE RATE TO 3 BPM PRIOR TO BUMPING PLUG AT 140 BBLS AWAY:FCP 2357 PSI AND GOOD INDICATION OF PLUG BUMP AT 150.8 BBLS DISPLACED -TOTAL DISPLACEMENT VOLUME 150.8 BBLS -DID NOT RECIPROCATE PIPE -TOTAL LOSSES FOR CEMENT JOB:5 BBLS -CEMENT IN PLACE AT 12:34 -CHECK FLOATS:GOOD -RIG DOWN CEMENTING HOSE AND SWAP OVER TO RIG PUMPS SET VERSAFLEX LINER HANGER/PACKER PER HES PROCEDURE -PRESSURE UP TO 3500 PSI AND SET HANGER/PACKER -PULL TEST ON LINER HANGER TO CONFIRM SET -RELEASE FROM HANGER WITH RIGHT HAND TORQUE FOLLOWED BY LEFT HAND TORQUE TO RELEASE TOOL -PULL UP ABOVE LINER TOP WHILE CIRCULATING AT 2 BPM AND OBSERVE PRESSURE DROP -INCREASE RATE TO 12 BPM,2600 PSI TO DISPLACE CEMENT OUT OF HOLE -OBSERVE MUD PUSH AT SURFACE -ESTIMATED 5 BBLS CEMENT TO SURFACE Printed 11/6/2015 3:15:34PM • North America-ALASKA-BP • Page 4 of 5 Operation Summary Report Common Well Name:02-41 AFE No Event Type:COM-ONSHORE(CON) Start Date:10/11/2015 End Date:10/14/2015 X3-0174J-C:(2,090,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/me:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UWI:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 14:00 - 15:30 1.50 CEMT P RUNPRD CLEAN PITS AND CIRCULATE BOTTOMS UP -CLEAN PITS AFTER CEMENT JOB -CIRCULATE BOTTOMS UP AT 14 BPM,3140 PSI -MUD WEIGHT:8.5 PPG IN AND OUT (SEAWATER) -LAY DOWN DRILL PIPE FROM DERRICK OFF LINE 15:30 - 21:00 5.50 CEMT P RUNPRD PULL OUT OF THE HOLE LAYING DOWN DRILL PIPE 1X1 TO THE PIPE SHED FROM 8,953'MD _TO 3,339'MD 21:00 - 22:30 1.50 CEMT P RUNPRD RUN IN HOLE FROM DERRICK WITH STANDS FROM 3,339'MD TO 7,400'MD 22:30 - 23:00 0.50 CEMT P RUNPRD PERFORM RIG SERVICE ON TOPDRIVE AND ST-80 -NO ISSUES NOTED WITH TOP DRIVE TRACTION MOTOR BEARING 23:00 - 00:00 1.00 CEMT P RUNPRD PULL OUT OF THE HOLE LAYING DOWN DRILL PIPE 1X1 TO THE PIPE SHED FROM 7,400'MD TO 6,487'MD 10/13/2015 00:00 - 06:00 6.00 CEMT P RUNPRD PULL OUT OF THE HOLE LAYING DOWN DRILL PIPE 1X1 TO THE PIPE SHED FROM 6,487'MD TO LINER HANGER/PACKER RUNNING TOOLS _-FLOW CHECK WELL 06:00 - 06:30 0.50 CEMT P RUNPRD LAY DOWN LINER RUNNING TOOLS 06:30 - 08:00 1.50 CASING P RUNPRD RIG UP AND TEST LINER TOP PACKER TO 250 PSI LOW FOR 5 MIN AND 3500 PSI HIGH FOR 30 MIN(PASS) -TEST APPROVED BY ODE 08:00 - 09:30 1.50 RUNCOM P RUNCMP PULL WEAR BUSHING AND RIG UP CASING EQUIPMENT -RIG UP TO RUN 4-1/2"TUBING WITH DOUBLE STACK TONGS AND AIR SLIPS 09:30 - 21:00 11.50 RUNCOM P RUNCMP RUN 4-1/2",12.6#,13CR-85,VAMTOP COMPLETION TUBING TO 8958'MD -USE JET LUBE SEAL GUARD PIPE DOPE -TORQUE CONNECTIONS TO 4,440 FT-LBS -RUN IN HOLE AT 90 FT/MIN PER HES REP -FINAL PU 142K,SO 115K,PARKER 272 BLOCK WT 35K -LANDED WEIGHT=80K -MUD WEIGHT:8.5 PPG IN,8.5 PPG OUT -WLEG SET AT 8958'MD 21:00 - 22:30 1.50 RUNCOM P RUNCMP FMC RUN IN AND TORQUE LOCK DOWN SCREWS -RIG DOWN CASING EQUIPMENT 22:30 - 00:00 1.50 RUNCOM P RUNCMP REVERSE CIRCUALTE 120°INHIBITED SEAWATER AS FOLLOWS: -142 BBL CLEAN SEAWATER -91 BBL SEAWATER TREATED WITH CORROSION INHIBITOR -70 BBL CLEAN SEAWATER -PUMP ADDITIONAL 5 BBL EACH WAY TO WASH OFF RHC PLUG PROFILE SIMOPS: -REMOVE BLOWER MOTOR FROM DRILLERS SIDE TOP DRIVE TRACTION MOTOR Printed 11/6/2015 3:15:34PM • • North America-ALASKA-BP Page 5 of 5 Operation Summary Report Common Well Name:02-41 AFE No Event Type:COM-ONSHORE(CON) Start Date:10/11/2015 End Date:10/14/2015 X3-0174J-C:(2,090,000.00) Project:Prudhoe Bay Site:PB DS 02 Rig Name/No.:PARKER 272 Spud Date/Time:9/21/2015 10:30:00AM Rig Release:10/14/2015 Rig Contractor:PARKER DRILLING CO. UW1:500292354700 Active datum:02-41 @78.95usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 10/14/2015 00:00 - 03:30 3.50 RUNCOM P RUNCMP TEST TUBING AND IA TO 250 PSI LOW FOR 5 MIN AND 3500 PSI HIGH FOR 30 MIN(PASS) -MAKE UP LANDING JOINT AND DROP BALL AND ROD,ALLOW BALL AND ROD TO FALL FOR 10 MIN -SET PRODUCTION PACKER WHILE PRESSURING UP TO HIGH PRESSURE TEST ON TUBING,OBSERVED INDICATION OF PACKER SETTING AT 2150 PSI -HELD 2000 PSI ON TUBING WHILE TESTING IA -TEST APPROVED BY WELLS SUPERINTENDENT 03:30 - 06:00 2.50 RUNCOM P RUNCMP FREEZE PROTECT TUBING AND IA -BLEED PRESSURE OFF TUBING TO ALLOW SHEAR VALVE TO SHEAR OUT,OBSERVED SHEAR AT 1400 PSI ON TUBING -PUMP 5 BBL BOTH WAYS TO CONFIRM PROPER SHEAR -REVERSE CIRCUALTE 74BBL 80°,6.8 PPG DIESEL DOWN IAAND ALLOW TO U-TUBE BACK TO TUBING FOR 1 HOUR(MAINTAINS —400 PSI OVERBALANCE TO 7.2PPG SAG RIVER FORMATION) -MONITOR WELL WHILE U-TUBING 06:00 - 07:30 1.50 WHSUR P RUNCMP SET AND TEST TWO WAY CHECK FROM ABOVE AND BELOW TO 250 PSI LOWAND 3500 PSI HIGH FOR 5 MIN EACH(PASS) 07:30 - 12:00 4.50 BOPSUR P RUNCMP NIPPLE DOWN BOP STACK AND HIGH PRESSURE RISERS -SUCK OUT STACK -BLOW DOWN LINES -PULL HIGH PRESSURE RISER TO RIG FLOOR AND LAY DOWN TO PIPE BARN -CLEAN OUT HANGER PROFILE 12:00 - 21:00 9.00 WHSUR P RUNCMP NIPPLE UP TREE AND TEST ADAPTER FLANGE VOID AND TREE -TEST ADAPTER VOID TO 250 PSI LOW FOR 5 MIN AND 5000 PSI HIGH FOR 30 MIN(PASS) -RESTART ADAPTER VOID TEST MULTIPLE TIMES DUE TO TEMPERATURE FLUCTUATION IN WELL HOUSE -TEST TREE TO 250 PSI LOWAND 5000 PSI HIGH FOR 5 MIN EACH(PASS VISUAL LEAKTIGHT TEST) SIMOPS: -RIG DOWN MUD LINES TO RIG FLOOR -COMPLETE CHANGE OUT OF TRACTION MOTOR ON TOPDRIVE -LOAD SURFACE CASING IN PIPE SHED -RIG DOWN MUD MOD INTERCONNECT 21:00 - 00:00 3.00 WHSUR P RUNCMP INSTALL VLAVES AND GAUGES ON TREE -CLEAN AND SECURE WELLHOUSE SIMOPS: -DISCONNECT BLOCKS FROM TOPDRIVE -INSTALL BRIDLE LINES ON BLOCKS -PREPARE TO SKID FLOOR ***RELEASE RIG AT 23:59 ON 10/14/2015*** Printed 11/6/2015 3:15:34PM 02' 1 Well History (Post-fig) tf J) Date Summary T/I/O=TWC/0/100. ND dry hole Temp#06 . Installed upper tree(Post Rig Parker 272).Torqued and PT'd to API specs.(PASS) Pulled TWC#258 @126"Through tree. Installed tree cap and 16-Oct-15 PT'd to 500 Psi. (PASS) RDMO. ***Job Complete*** FWHP=Vac/0/100.Tree and wellbore are fluid packed. 17-Oct-15 ***SWOP 4515 WEATHER STANDBY*** ***SWOP 4515 WEATHER STANDBY*** PULL B&R FROM 8,906'SLM PULL BK-DGLV FROM ST#5 @ 6,005' MD PULL BEK-DCK-2 FROM ST#6 @ 3,819' MD 18-Oct-15 SET BK-LGLV(16/64" ports, 1500psi TRO) IN ST#6 @ 3,819' MD SE BK-OGLV(20/64" ports) IN ST#5 @ 6,005' MD PULL 4-1/2" RHC BODY FROM 8913'SLM/8958' MD DRIFT W/3-3/8" x 25' DUMMY GUN, 1-3/4" SAMPLE BAILER(stop due to deviation @ 10.204' slm) ***WELL S/I ON DEPARTURE PAD-OP NOTIFIED OF STATUS** CTU #8 w/1.5" CT, CV 25.1 Objective: Drift &Tag-Adperfs 180' MIRU CTU#8. PJSM. NF test swab and SSV. M/U PDS memory logging tools with 3.25"JSN 27-Oct-15 drift. NF swab and SSV. PT lube. RIH with PDS logging tools and drift. Circ SafeLube.Tag PBTD high at 12845'.Jet on bottom, no progress. POH. Frz protect tbg and coil. Lay out PDS and verify depth. Btm Depth 12,842' ELM - MU Wfd MHA&Slb Jet Blaster- RIH tag @ 12,847' CTM -Start Jet Blasting CTU#8 w/1.5" CT, CV 25.1 Objective: Drift&Tag- FCO-Adperfs 180' 28-Oct-15 At 12,847'w/SWS Jet Blaster- make to 12,858'-POOH -Change Jet Sizes add down jet- RIH. Jet blast cement.Slow ROP,stacking wt.work pipe for better slide.Very slow ROP. Cleanout to 11863'. POH for mill and motor. NF swab and SSV. Lay out BHA.Cut coil. RIH w/2-3/8" Montor& 3.70" Excaliber Mill-tagged @ 12,097'& 12,200' milled thru - RIH Page 1 of 2 0211 Well History (Post-pg) Date Summary CTU#8 w/1.5" CT,CV 25.1 Objective: Drift&Tag- FCO-Adperfs 180' Milling w/2-3/8" Motor&3.70" Excalibur Mill. Dry Tag @ 12,863' - Mill to 12,988'and hard - 4 stalls(12,986, 12,990, 12,989, & 12,992)- 12,991' Hard time milling-tried run into it at 29-Oct-15 different speeds w/o stall-just stacking wgt down - POOH, PJSM. inspect motor and mill. NF swab and SSV. lay out WFD tools. PT MHA. M/U PDS memory GR/CCL in carrier with 3.25" JSN. PT Lube. RIH.Tag PBTD at 12989'. Log up to 12900'. Flag coil at 12,900'. Log up to 8700'. POH. NF swab and SSV. Lay out PDS. Good data.Add 20'for correction. Corrected PBTD= 13,009'. PJSM. M/U SWS Gun#1. PT lube. RIH with Gun#1, 2-7/8" x 30'gun, 6 spf,Tag Bottom. Correct depth to bottom shot. Perforate interval 12978'- 13008'. POOH. CTU#8 w/1.5" CT,CV 25.1 Objective: Drift&Tag- FCO-Adperfs 120' BD gun run#1.ASF. Ball Recoverd. Cut 52'of pipe. M/U SWS Gun#2. PT lube. RIH with Gun #2, 2-7/8" x 30'gun, 6 spf,Tag bottom. Correct to PBTD depth of 13009'. Position perf gun#2, 30-Oct-15 PERFORATE 12948-12978'. POH. Lay in Safelube while POH. Frz protect coil and tubing. PJSM. Lay out fired gun. Change out packoffs. PJSM. M/U 30' Gun#3. PT lube. RIH.Tag bottom, Correct depth to PBTD. PERFORATE 12918-12948'. POH. NF swab and SSV. Manlift broke and could not be fixed and no more manlifts available.Wait on scaffolding. CTU#8 w/1.5" CT, CV 25.1 Objective: Drift&Tag- FCO-Adperfs 120' Wait on scaffolding. M/U SWS Gun#4. PT lube. RIH.Tag bottom. Correct to PBTD. Perforate 31-Oct-15 Interval 12888- 12918. POOH. Frz protect tubing to 2500' with 60/40 meth. PJSM. Lay out fired perf guns.All shots fired. Rig down CTU, PT tree cap with 3500 psi. Secure well.TOTAL PERFORATED INTERVAL FOR 02-41 = 12888'- 13008'. 120', 6 SPF, POWER JET 2906 CHARGES, Move Coil 8 to 02-29. ***Job Complete *** Page 2 of 2 40 ID IP W MiWe \1142 fliZm 0- CO I 1 0 Q t J Q 0Q • a) co et .v QE � o ♦= L. l4 ti N W N M N in O w� G� O N c O L O D O 7 m i i O Z aa. 00 � OLL "' 11 00% IX v • a e • • IP ■_ 1 za 44 © j _ _ § _ , 2 ( - % 'ci ii ) ,.- E f \ \ 011 - C � \ � / � ; / \ 72 e - ! - N /\ | ) / \ il; 41 / ; } ! { R ƒ § G » 3u, k \ ) � 77 _, ] a O ii ) § E .c ! - Z 2 J 2 E \ ■ \ § § | : 0 � « u. ( } ) § / k � 0cl � 2in _ ; ; ; � N � � ■ zJo CO0 \-t 730 \ L ` CIo ` 2 w ƒe COO. ƒ k / a . 7 . § • a \it \ \ / « § � in -0 Q. 22co1 / { ) 0 zw )� 9re0 a ƒ ; c, \ < § 0 _ ) 2 . 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T n u • S 0 by North America - ALASKA - BP Prudhoe Bay PB DS 02 02-41 02-41 02-41 POST DRILLING OFFSETS Anticollision Summary Report 15 October, 2015 OFFSET REPORT for A OGCC r1�� BAKER HUGHES BP 0440, t 1 by Anticollision Report BAKER »44" HUGHES Company: North America-ALASKA-BP Local Co-ordinate Reference: Well 02-41 Project: Prudhoe Bay TVD Reference: 02-41 @ 78.95usft(Actual Parker 272) Reference Site: PB DS 02 MD Reference: 02-41 @ 78.95usft(Actual Parker 272) Site Error: 0.00usft North Reference: True Reference Well: 02-41 Survey Calculation Method: Minimum Curvature Well Error: 0.00usft Output errors are at 1.00 sigma Reference Wellbore 02-41 Database: EDM R5K-Alaska PROD-ANCP1 Reference Design: 02-41 Offset TVD Reference: Offset Datum Reference 02-41 Filter type: NO GLOBAL FILTER:Using user defined selection&filtering criteria 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 500.00usft Error Surface: Elliptical Conic Survey Program Date 10/15/2015 From To (usft) (usft) Survey(Wellbore) Tool Name Description 70.00 797.00 Gyro SS 12 1/4"(02-41) GYD-GC-SS Gyrodata gyro single shots 866.80 3,497.78 OTK MWD 12 1/4"(02-41) MWD+IFR+MS-WOCA MWD+IFR+Multi Station W/O Crustal 3,575.29 9,221.05 OTK MWD 9-1/2"(02-41) MWD+IFR+MS-WOCA MWD+IFR+Multi Station W/O Crustal 9,315.83 13,069.24 ATK MWD 6 1/8"(02-41) MWD+IFR+MS-WOCA MWD+IFR+Multi Station W/O Crustal OFFSET REPORT forAOOCC 10/15/2015 1:30:04PM Page 2 of 5 COMPASS 5000.1 Build 61 `'�.a� °{.r Anticollision Report BAKER HUGHES Company: North America-ALASKA-BP Local Co-ordinate Reference: Well 02-41 Project: Prudhoe Bay TVD Reference: 02-41 @ 78.95usft(Actual Parker 272) Reference Site: PB DS 02 MD Reference: 02-41 @ 78.95usft(Actual Parker 272) Site Error: 0.00usft North Reference: True Reference Well: 02-41 Survey Calculation Method: Minimum Curvature Well Error: 0.00usft Output errors are at 1.00 sigma Reference Wellbore 02-41 Database: EDM R5K-Alaska PROD-ANCP1 Reference Design: 02-41 Offset TVD 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 DS 02 02-05-02-05-02-05 Out of range 02-05-02-05A-02-05A Out of range 02-05-02-05APB1-02-05APB1 Out of range 02-06-02-06-02-06 6,600.00 6,775.00 432.05 101.49 344.31 Pass-Major Risk 02-06-02-06A-02-06A 6,600.00 6,775.00 432.05 101.49 344.31 Pass-Major Risk 02-06-02-068-02-06B 6,600.00 6,775.00 432.05 101.49 344.31 Pass-Major Risk 02-06-02-06C-02-06C 6,600.00 6,775.00 432.05 101.49 344.31 Pass-Major Risk 02-07-02-07-02-07 10,225.00 9,950.00 461.85 143.48 319.93 Pass-Major Risk 02-07-02-07A-02-07A 9,914.07 11,125.00 186.48 139.16 79.35 Pass-Major Risk 02-07-02-07APB1-02-07APB1 10,571.65 10,300.00 350.92 154.44 201.65 Pass-Major Risk 02-07-02-07APB2-02-07APB2 10,010.71 10,925.00 201.12 141.71 69.44 Pass-Major Risk 02-07-02-07B-02-070 10,056.56 10,850.00 304.26 173.32 131.08 Pass-Major Risk 02-07-02-07BPB1-02-07BPB1 9,966.40 10,975.00 265.16 375.25 -110.09 FAIL-Major Risk 02-07-02-07BPB2-02-07BPB2 9,919.80 11,025.00 276.64 167.62 116.08 Pass-Major Risk 02-08-02-08-02-08 4,802.55 4,825.00 444.81 110.28 335.43 Pass-Major Risk 02-08-02-08A-02-08A 4,802.55 4,825.00 444.81 110.17 335.54 Pass-Major Risk 02-08-02-08APB1-02-08APB1 4,802.55 4,825.00 444.81 110.17 335.54 Pass-Major Risk 02-08-02-08B-02-08B 4,802.58 4,825.00 444.82 110.28 335.43 Pass-Major Risk 02-13-02-13C-02-13C 4,427.98 4,400.00 444.30 55.54 388.71 Pass-Major Risk 02-14-02-14-02-14 5,076.59 5,175.00 270.30 71.53 204.53 Pass-Major Risk 02-14-02-14A-02-14A 5,062.13 5,150.00 269.73 71.35 204.56 Pass-Major Risk 02-14-02-14B-02-14B Out of range 02-14-02-14B-02-14B WP 11 5,062.13 5,150.00 269.73 71.35 204.56 Pass-Major Risk 02-15-02-15-02-15 2,251.45 2,175.00 403.13 32.52 370.93 Pass-Major Risk 02-15-02-15A-02-15A 2,251.45 2,175.00 403.13 32.52 370.93 Pass-Major Risk 02-15-02-15APB1-02-15APB1 2,251.45 2,175.00 403.13 32.52 370.93 Pass-Major Risk 02-15-02-15B-02-15B 2,238.18 2,175.00 402.96 32.34 370.91 Pass-Major Risk 02 16 02 16 02 16 2,001.39 2,025.00 95.06 51.58 43.97 Pass-Major Risk 02-16-02-16A-02-16A 2,005.19 2,025.00 95.26 51.85 43.81 Pass-Major Risk 02-16-02-160-02-16B 2,005.19 2,025.00 95.26 51.85 43.81 Pass-Major Risk 02-16-02-16C-02-16C 2,005.19 2,025.00 95.26 51.85 43.81 Pass-Major Risk 02-16-02-16CPB1-02-16CPB1 2,005.19 2,025.00 95.26 51.85 43.81 Pass-Major Risk 02-17-02-17-02-17 214.41 200.00 181.67 4.68 176.98 Pass-Major Risk 02-17-02-17A-02-17A 216.79 200.00 181.71 4.72 177.00 Pass-Major Risk 02-17-02-17B-02-17B 216.79 200.00 181.71 4.72 177.00 Pass-Major Risk 02 18 02 18 02 18 314.37 300.00 60.84 4.94 55.90 Pass-Major Risk 02-18-02-18A-02-18A 314.37 300.00 60.84 4.79 56.06 Pass-Major Risk 02-18-02-18APB1-02-18APB1 314.37 300.00 60.84 4.79 56.06 Pass-Major Risk 02-18-02-18APB2-02-18APB2 314.37 300.00 60.84 4.79 56.06 Pass-Major Risk 02-18-02-18APB3-02-18APB3 314.37 300.00 60.84 4.79 56.06 Pass-Major Risk 02-18-02-18B-02-188 314.37 300.00 60.84 4.94 55.90 Pass-Major Risk 02-18-02-18BPB1-02-18BPB1 314.37 300.00 60.84 4.79 56.06 Pass-Major Risk 02-18-02-18C-02-18C 314.37 300.00 60.84 4.94 55.90 Pass-Major Risk 02-18-02-18CPB1-02-18CPB1 314.37 300.00 60.84 4.94 55.90 Pass-Major Risk 02-19-02-19-02-19 Out of range 02-20-02-20-02-20 Out of range 02-21-02-21-02-21 Out of range 02-21-02-21B-0`�1 FSET REPORT for AOGCC Out of range Out of range 02-22-02-22-02-22 Out of range 02-22-02-22A-02-22A Out of range 02-22-02-22B-02-22B Out of range 02-23-02-23-02-23 6,465.61 6,025.00 239.61 70.75 170.15 Pass-Major Risk 10/15/2015 1:30:04PM Page 3 of 5 COMPASS 5000.1 Build 61 „,...i, • BP • i•...�1 by Anticollision Report BAKER HUGHES Company: North America-ALASKA-BP Local Co-ordinate Reference: Well 02-41 Project: Prudhoe Bay TVD Reference: 02-41 @ 78.95usft(Actual Parker 272) Reference Site: PB DS 02 MD Reference: 02-41 @ 78.95usft(Actual Parker 272) Site Error: 0.00usft North Reference: True Reference Well: 02-41 Survey Calculation Method: Minimum Curvature Well Error: 0.00usft Output errors are at 1.00 sigma Reference Wellbore 02-41 Database: EDM R5K-Alaska PROD-ANCP1 Reference Design: 02-41 Offset TVD 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 DS 02 02-23-02-23A-02-23A 6,465.61 6,025.00 239.61 70.75 170.15 Pass-Major Risk 02-23-02-23PB1-02-23PB1 6,465.61 6,025.00 239.61 70.75 170.15 Pass-Major Risk 02-24-02-24-02-24 11,992.91 10,325.00 427.72 695.08 -266.54 FAIL-Major Risk 02-24-02-24A-02-24A Out of range 02-25-02-25-02-25 Out of range 02-25-02-25A-02-25A Out of range 02 26 02 26 02 26 Out of range 02-26-02-26A-02-26A Out of range 02-26-02-26APB1-02-26APB1 Out of range 02-26-02-26APB2-02-26APB2 Out of range 02-26-02-26B-02-26B Out of range 02-26-02-26C-02-26C Out of range 02-27-02-27-02-27 1,885.15 1,825.00 373.36 31.94 341.61 Pass-Major Risk 02-27-02-27A-02-27A 1,888.93 1,825.00 373.42 31.99 341.61 Pass-Major Risk 02-27-02-27PB1-02-27PB1 1,885.15 1,825.00 373.36 31.94 341.61 Pass-Major Risk 02-28-02-28-02-28 290.21 275.00 241.14 4.42 236.73 Pass-Major Risk 02-28-02-28A-02-28A 290.21 275.00 241.14 4.46 236.68 Pass-Major Risk 02-28-02-28APB1-02-28APB1 290.21 275.00 241.14 4.46 236.68 Pass-Major Risk 02-30-02-30-02-30 1,095.65 1,100.00 65.01 22.43 42.65 Pass-Major Risk 02-30-02-30A-02-30A 1,102.64 1,100.00 65.25 22.57 42.75 Pass-Major Risk 02-30-02-30B-02-30B 1,104.00 1,100.00 65.31 22.60 42.78 Pass-Major Risk 02-30-02-30BPB1-02-30BPB1 1,104.00 1,100.00 65.31 22.60 42.78 Pass-Major Risk 02-32-02-32-02-32 610.78 600.00 56.24 8.28 48.11 Pass-Major Risk 02-32-02-32A-02-32A 610.78 600.00 56.24 8.28 48.11 Pass-Major Risk 02-32-02-32APB1-02-32APB1 610.78 600.00 56.24 8.28 48.11 Pass-Major Risk 02-32-02-32APB2-02-32APB2 610.78 600.00 56.24 8.28 48.11 Pass-Major Risk 02-32-02-32APB3-02-32APB3 610.78 600.00 56.24 8.28 48.11 Pass-Major Risk 02-32-02-329-02-32B 597.94 575.00 56.04 8.10 48.09 Pass-Major Risk 02-32-02-32C-02-32C 597.94 575.00 56.04 7.94 48.25 Pass-Major Risk 02-32-02-32CPB1-02-32CPB1 597.94 575.00 56.04 8.10 48.09 Pass-Major Risk 02-33-02-33-02-33 2,650.74 2,550.00 491.00 38.10 453.15 Pass-Major Risk 02-33-02-33A-02-33A 2,650.74 2,550.00 491.00 38.10 453.15 Pass-Major Risk 02-33-02-33B-02-336 2,635.62 2,525.00 490.79 37.89 453.13 Pass-Major Risk 02-40-02-40-02-40 11,506.20 10,950.00 496.84 165.71 334.60 Pass-Major Risk 02-40-02-40PB1-02-40PB1 Out of range OFFSET REPORT foorAOGCC 10/15/2015 1:30:04PM Page 4 of 5 COMPASS 5000.1 Build 61 ,.$ • • BP ,Mt*, LIPAnticollision Report BAKER HUGHES Company: North America-ALASKA-BP Local Co-ordinate Reference: Well 02-41 Project: Prudhoe Bay TVD Reference: 02-41 @ 78.95usft(Actual Parker 272) Reference Site: PB DS 02 MD Reference: 02-41 @ 78.95usft(Actual Parker 272) Site Error: 0.O0usft North Reference: True Reference Well: 02-41 Survey Calculation Method: Minimum Curvature Well Error: 0.00usft Output errors are at 1.00 sigma Reference Wellbore 02-41 Database: EDM R5K-Alaska PROD-ANCP1 Reference Design: 02-41 Offset TVD Reference: Offset Datum Reference Depths are relative to 02-41 @ 78.95usft(Actual Parker Coordinates are relative to:02-41 Offset Depths are relative to Offset Datum Coordinate System is US State Plane 1927(Exact solution),Alaska Zone 04 Central Meridian is 150°0'0.000 W° Grid Convergence at Surface is:1.43° Ladder Plot ' 600- � 1 1 1 1 1 1 ' 1 1 1 J _II J 1 64 o :450_ k rye q�:.: y^'IV a' P FA I rl .� rf. r 1 c, co °' 300 I 1.1 �TI !i' .d I I 1 P � 1 i,It►l i�, �l� �� 64 fj4 1 /� ai'fil N e,e� I '!itl'. 1 I A (3 _ J J J J o s1` l 1 404. 92 I LEGEND 1,' 150-- ar` - ,- i 0 .`-«1 4,/ 0221.712-21A V3 -6- 02-08,02-08APB1,02-08APB1V1 -4-, 02-28,¢2-28A,02-28AV8 1 -4-- ,, 02-2115"+2-21BV0 -4- 02-14,02-14A,02-14AV9 ' -0- 02-28,(2-28APB1 02-28APB1 V4 ''..I:-:.4• 1,02-21,$2-21 V4 -a- 02-14,O2-14,0214V2 -e- 02-28,02-28,02-28 V3 , -e- 02426,02-26,62-26 V5 -e- 02-14,02-146,02-14B WP 11 VO -e- 02-33,02-33B4O2-33B VO 0 -9- 09,76 09-9RA R9 02-2RAPR2 V1 -A- 09-14 09-14R 0?-14R VO 09-33 02-33A 02-73A V4 0 -X- 02-26,02-2 -26CV4 40016- 02-16,02-16, b0V27 �P�3 VA :4.4,02-33,02-33,0 6b 12000 �r 02-26,02-26A,02-26A V1 '�' easuieaUepttl(�6UITUSTVin8- 02-23,02-23A,02-23A V4 -4- 02-26,02-26APB1,02-26APB1 V1 -4- 02-16,02-16C,022-16CCV2 - 02-23,02-23PB1,02-23PB1 V1 -a- UL-Lb,UL-Lbti,UL-Lbti V 1 L 13- U1-1 b,U2-1 bH,U2-1 bA Vb -E- UL-L3,UL-L3,UL-LS V S -e- 02-30,02-30,02-30 V3 -9- 02-16,02-1613,02-16B V14 $' 02-40,02-40,D2-40V2 -4- 02-30,02-30A,02-30A V1 -4- 02-17,02-17A,02-17A V1 -4- 02-40,02-40PB1,02-40PB1 V11 -E- 02-30,02-30B,02-30B V3 -X- 02-17,02-17,02-17 V3 - 02-13,02-13C,02-13C VO -fir 02-30,02-3OBPB1,02-30BPB1V2 -At- 02-17,02-17B,02-17B V2 -16- 02-32,02-32CPB1,02-32CPB1 VO -3- 02-05,02-05APB1,02-05APB1 V1 - 02-18,02-18C,02-180V0 -4- 02-32,02-32APB1,02-32APB1 V2 -9- 02-05,02-05A,02-05A V3 -a- 02-18,02-18,02-18 V1 -8- 02-32,02-32B,02-32B V16 - 02-05,02-05,02-05 V4 -e- 02-18,02-18B,02-18B V4 -e- 02-32,02-32A,02-32A V4 -4- 02-06,02-060,02-06C VO $ 02-18,02-18A,02-18A Vi -0- 02-32,02-320,02-320 VO -X- 02-06,02-06A,02-06A V4 -X- 02-18,02-18APB2,02-18APB2 V3 -X- 02-32,02-32APB3,02-32APB3 V2 -fit- 02-06,02-06,02-06 V3 -A- 02-18,02-18APB1,02-18APB 1 V2 -A- 02-32,02-32,02-32 V12 10/15/2015 1:30:04PM Page 5 of 5 COMPASS 5000.1 Build 61 • • r) a )a ww a _J a 6 c )n 0 O 0 o ce = o Il = O C N } I W O } H W O O N C 0I LL W O O O)o. u_ W O O a) m a w0 Q a w 0 a C O O Sc CVcr) CD Z f- O H Z F- C a o U COo z w n Z w n U r c,.) g O o W O O W U n o J O X X 4) Q .0 -X (n fn o Ce Ul N o E �. 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J ± o g = - 2 o .- e = o' 0 •- . 0 % _ \\ \ k1 - , 0a, a , 2 t = E' R ( } a a s £ 6. ; .0 ) . _ 0 G « � < acE C" ° « a t% / ) / ^ 2 J ; 72 ~ E z 2 _ i .52 « / . 0 , - • � _ = co 0 j - § } .. 0 I ) ( # �/ ' iHw /1.1_ z co- - M u cp ) - \ \� _ - _= _ - � ® / > _ - 0 § J z - z z f = 2 0 = - / z = 0 \ \ / & k 7 - § ƒ j ) § . ) 1.11 _ { w \ } / } ( [ \ / ) \ \ \ { } U- j . j } } 2 O « E \ ) -' .2 ° 0 \ { § ) J 2 » } 0 a w 0 » � \ � \ } , 3 \ ) \ ) \ j REGI 2 1 5 1 1 3 26 46 3 BAKER NOV 19 261'3 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. (mandatory) Petrotechnical Data Center, LR2-1 DATA LOGGED WELL NAME 02-41 900 E. Benson Blvd. (1/19/2015 (mandatory) Anchorage,Alaska 99508 M.K.BENDER FIELD Prudhoe Bay to acknowledge receipt of this data. (mandatory) COUNTY North Slope Borough LOG TYPE GR/RES/DEN/NEU (mandatory) (mandatory) STATE Alaska BH DISTRICT Alaska (mandatory) (mandatory) LOG DATE: October 10,2015 TODAYS DATE: 18-Nov-15 (mandatory) DISTRIBUTION LIST AUTHORIZED BY: Paul Canizares EMAIL: Paul.CanizaresCa�bakerhuahes.com (mandatory) HAS CLIENT BEEN INVOICED FOR ADDITIONAL PRINTS? No COMPANY FIELD FINAL CD CD ADDRESS(FEDEX WILL NOT DELIVER TO P.O.BOX) LOGS LOGS (digital/image) Surveys (Final Surveys) PERSON ATTENTION #OF PRINTS #Ur H-IIN I S #OF COPIES #OF COPIES #OF COPIES 4 1 BP North Slope 1 1 EOA,PBOC,PRB-20(Office 109) Attn:D&C Wells Project Aids Agatha Rutka&Barbara Glassmaker 900 East Benson Boulevard Anchorage,AK,99519 2 ConocoPhillips Alaska Inc. 0 1 1 1 Attn:Ricky Elgaricio/Sandra Lemke ATO 3-344 700 G Street Anchorage,AK 99510 3 ExxonMobil,Alaska 1 1 1 1 Attn:Lynda M.Yaskell and/or Leonardo Elias 3201 C Street,Suite 505 Anchorage,AK 99503 4 State of Alaska -AOGCC I 1 1 1 1 Attn:Makana Bender 333 W.7th Ave,Suite 100 Anchorage,Alaska 99501 5 DNR-Division of Oil&Gas *** 1 1 1 Attn:Sean Clifton 550 West 7th Avenue,Suite 802 Anchorage,Alaska 99501 ***Stamp"confidential"on all material deliver to DNR 6 BP Exploration(Alaska)Inc. 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O O 0 N M N o N N NNNCCNNN U : 6) 6) O) O) O) 6) 67 O) O ! p N NNNN N N N 0) 7,,Q1 0 O 0 0 0 O O O ' O O O O O O O O Lf) U) N Cf) N If) In LC) 3 (1) OD a o c Eno c6 U E cu > CM w he V +' Q Fa w cn V L �_ pip Ni Z: N O u') cs'N V !_' .3 a) H j Q' Vf n 'c ' D D D O N ra >_ fL 1p d Q O N > 3 to T o 0 Z al ca r O ra N C.2 Q CID a 0 d F: 1— fi a Q 1 w� oF� THE STATE• • 4'41 � \—�.-��s Alaska OilandGas „, of Conservation Commission u } � T A KA _ y 333 West Seventh Avenue GOVERNOR BILL WALKER Anchorage, Alaska 99501-3572 Main: 907.279.1433 ALASr” Fax: 907.276.7542 www.aogcc.alaska.gov Mary Endacott Engineering Team Leader BP Exploration(Alaska), Inc. P.O. Box 196612 Anchorage, AK 99519-6612 Re: Prudhoe Bay Field, Prudhoe Bay Oil Pool, PBU 02-41 BP Exploration(Alaska), Inc. Permit No: 215-113 Surface Location: 5242' FSL, 4529' FEL, SEC. 36, T11N, R14E, UM Bottomhole Location: 712' FNL, 2934' FEL, SEC. 02, T1ON, R14E, 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 an AOGCC order, or the terms and conditions of this permit may result in the revocation or suspension of the permit. Sincerely, Pe-t1S1' Cathy . Foerster �/ Chair DATED this /Q-' day of July, 2015. STATE OF ALASKAIVL.LI ALASOOIL AND GAS CONSERVATION COMM'OON PERMIT TO DRILL - JUN 2 6 2W1;. 20 AAC 25.005 1 a.Type of work: lb.Proposed Well Class: ® Development Oil El Service-Winj -®Single Zone 1 c.Specify if well is proposed for: ® Drill ❑ Lateral 0 Stratiqraphic Test ❑ Development Gas ❑Service-Supply ❑Multiple Zone ❑ Coalbed Gas ❑Gas Hydrates ❑ Redrill ❑ Reentry El Exploratory 0 Service-WAG ❑Service-Disp 0 Geothermal 0 Shale Gas 2.Operator Name: 5. Bond •® Blanket ❑Single Well 11.Well Name and Number: BP Exploration (Alaska) Inc. Bond No 6194193 - PBU 02-41 . 3. Address 6. Proposed Depth: 12. Field/Pool(s) P.O. Box 196612,Anchorage,Alaska 99519-6612 MD 13116' - TVD 9017' - Prudhoe Bay/Prudhoe Bay ' 4a. Location of Well(Governmental Section): 7. Property Designation(Lease Number): Surface: ADL 028308&028311 5242' FSL,4529' FEL, Sec. 36,T11N, R14E, UM 8. Land Use Permit 13.Approximate Spud Date: Top of Productive Horizon: 1120' FSL, 1455' FEL, Sec. 35, T11N, R14E, UM September 10,2015 Total Depth 9.Acres in Property: 14.Distance to Nearest Property: 712' FNL, 2934' FEL, Sec.02, T1ON, R14E, UM 2560 26400' 4b. Location of Well(State Base Plane Coordinates-NAD 27): 10.KB Elevation above MSL: 76.95' feet 15.Distance to Nearest Well Open Surface: x 687478 y-5951160 Zone- ASP4 GL Elevation above MSL: 30' feet to Same Pool: 500' 16. Deviated Wells: Kickoff Depth: 400' feet 17.Maximum Anticipated Pressures in psig(see 20 AAC 25.035) Maximum Hole Angle: 106 degrees Downhole: 3780 - Surface: 2908 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) 42' 20"x 34" 215.5# A-53 80' Surface Surface 80' 80' 260 sx Arctic Set(Approx.) 12-1/4" 9-5/8" 40# L-80 BTC 3594' Surface Surface 3594' 3455' 1141 sx DeepCrete, 409 sx Class'G' 9-1/2" 7" 26# L-80 VamTopHC 9292' Surface Surface 9292' 8456' 394 sx Class'G' 6-1/8" 4-1/2" 12.6# 13Cr85 VamTop 3974' 9142' 8320' 13116' 9017' 445 sx Class'G' 19. PRESENT WELL CONDITION SUMMARY(To be completed for Redrill and Re-entry Operations) Total Depth MD(ft): Total Depth TVD(ft): Plugs(measured): Effective Depth MD(ft): Effective Depth TVD(ft): Junk(measured) Casing Length Size Cement Volume MD TVD Conductor/Structural Surface Intermediate Production Liner Perforation Depth MD(ft): Perforation Depth TVD(ft): 20.Attachments: 0 Property Plat ® BOP Sketch ® Drilling Program ❑Time vs Depth Plot ❑Shallow Hazard Analysis ®Diverter Sketch ❑Seabed Report ® Drilling Fluid Program ®20 AAC 25.050 Requirements 21. Verbal Approval: Commission Representative: Date 22. I hereby certify that the foregoing is true and correct: Contact Jacob Thompson,564-5579 Printed Name Ma Endarott Title Engineering Team Leader Email Jacob.Thompson@bp.com Signature , �J�//,� � &- Phone 564-4388 Date 0725/7 Commission Use Only Permit To Drill API Number: _�[ _ Permit Apprgva ?pte: See cover letter for Number: ��S/C�0 50- c'%fir---23 -if 7"'6.C�Lc. I I 1 1 5 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 El contained shales: Other: oP f�S f f o 3500 p5 j Samples Req'd j,3p q' El Yes ENo Mud Log Req'd: El Yes Er No nr /cr r prc rem}Trf2-S t 7`U 2-6-6 6)e 5 r H2S Measures: 1;17Yes ❑ No Directional Survey Req'd: Q Yes ❑No F/a r'"pod d/e G✓a/vrd 7 4 D.96/d 1-17" Ipacin exception re 'd: 0Yes 1:1g p qErNo inclination-only svy Req'd: Yes ID No per 2DA-4C 25, e33 <J') APPROVED B / APPROVED BY /61 (" COMMISSIONER THE COMMISSION Date-7 — I (-( 5" Form 10-401 Revised 11 2012 This permit is valid for 24 months from the o a p ov I( 0 AAC 25.005(g)) Submit Form and Attachments In Duplicate ,rt .7/i Ji nR at1NA .. :� 7 .,-C- .' • • 044 To: Alaska Oil &Gas Conservation Commission From: Jacob Thompson, Operations Drilling Engineer Date: June 25, 2015 RE: 02-41 Permit to Drill The 02-41 well is scheduled to be drilled by Parker 272 in September 2015. This grassroots well is a horizontal producer targeting the Ivishak Zone 2 Sands. The planned well is a three string, ultra- slimhole design using a 9-5/8"surface casing, 7"intermediate casing, and 4-1/2"production liner. The surface casing will be set in the SV4 shale.The intermediate casing will be set at the top of the Sag River, and the production interval will be completed with a cemented liner. The maximum anticipated surface pressure from the Put River formation with a full column of gas from TD to surface is 2,958 psi (assumes 8.9 ppg EMW most likely pore pressure and a 0.1 psi/ft gas gradient). The 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 -3,594 ft MD. 3. Run 9-5/8"surface casing and cement to surface. 4. Nipple up BOPE and test rams 2-7/8"x 5-1/2"VBR in upper and lower rams Blind Shear, and to 3,500 psi. 5. Pressure test surface casing to 3,500 psi. Drill out the shoe and perform LOT. 6. Drill 9-1/2"intermediate hole to top of the TSGR at-9,292 ft MD. 7. Swap upper rams to 7"casing rams. 8. Run 7"casing and cement with 1500 ft MD above intermediate casing shoe (TOC at-7,792 ft MD). Pressure test casing to 3,500 psi. 9. Change upper rams to 2-7/8"x 5-1/2"VBRs and test to 3,500 psi. 10. Drill out of intermediate shoe and perform FIT. 11. Drill 6-1/8"horizontal production hole through to TD at-13,116 ft MD. 12. Run and cement 4-1/2"liner. 13. Pressure test liner top packer to 3,500 psi. 14. Run 4-1/2"chrome completion tubing. Sting into liner tieback sleeve and set production packer. 15. Pressure test the tubing and the inner annulus to 3,500 psi each. 16. Rig down and move off the well. ***Note that the well is planned to be perforated post rig.*** 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 02-41, please do not hesitate to use the contact information below. Jacob Thompson Office:(907) 564-5579 Cell:(907)854-4377 Email:Jacob.thompson(abp.com Attachments: Well Bore Schematic Directional Plan BOPE Schematic 272 Diverter Line Layout Diagram 02-41 PTD 1 6/25/2015 • • Planned Well Summary Well 02-41 Well Producer Target Ivishak Z2 Type Objective Current Status Grass Roots Well Estimated Start Date: 9/10/2015 Time to Complete: 32.5 Days Surface Northing Easting Offsets TRS Location 5,951,160 687,478 5,242' FSL/4,529' FEL 11N 14E Sec 36 Northing Easting TVDss Offsets TRS Tgt 1 5,946,985 685,379 8,983 1,120' FSL/ 1,455' FEL 11N 14E Sec 35 Tgt 2 5946331 684767 8,985 481' FSL/2,083' FEL 11N 14E Sec 35 Tgt 3 5946055 684534 8,932 210' FSL/2,323' FEL 11N 14E Sec 35 TD 5945118 683947 8,940 4,568' FSL/2,933' FEL 10N 14E Sec 2 Planned KOP: 400' MD Planned TD: 13,116' MD/8,940'TVDss Rig: Parker 272 GL-RT: 46.95' RTE (ref MSL): 76.95' Directional—02-41 (P5) KOP: 400' MD -19°in the Surface section Maximum Hole Angle: -33°in the intermediate section -105°in the production section Close Approach Wells: 02-24, 02-07BPB1 Survey Program: Surface to 500' MD =GYRO 500' MD to TD = MWD+IFR+MS Nearest Property Line: 26,400' Nearest Well within Pool: -500' 02-41 PTD 2 6/25/2015 • • Formation Tops and Pore Pressure Estimate (SOR) Estimated Most Likely Depth Fluid i1{k� " Formation Formation Top Pore Pressure Uncertainty Type (re�.J) (TVDss) (EMW ppg) (+/-TVD ft) (for sands) •J G1 427 8.4 15 Water g s -7,3 BPRF 1,950 8.4 200 Water SV6 2,100 8.4 50 Water SV5 2,750 8.4 30 Water SV4 2,890 8.4 30 Water 9 5/8 SC 3,377 30 • SV3 3,415 8.4 30 Water SV2 3,630 8.4 30 Water 7; G -to 4-> SV1 4,028 9.1 • 30 Water UG4 4,560 9.7 • 20 Water UG4A 4,590 9.7 30 Water UG3 4,805 9.7 30 Water UG1 5,265 9.7 30 Water WS2 5,887 9.1 • 30 Water WS1 6,115 8.4 • 30 Water CM3 6,335 9.1 . 30 GCM CM2 6,797 10.1 , 30 GCM CM1 7,537 10.2 30 GCM THRZ 7,900 10.2 20 /0, v .--,• 3 BHRZ 8,076 30 TPTR 8,153 8.9 . 50 Oil/Water BPTR 8,190 50 Oil LCU 8,190 9.95 . 50 TKNG 8,190 9.95 50 TJA 8,277 9.95 50 TSGR 8,375 7.20 • 20 Gas 7 Casing 20 TSHU 8,410 7.19 20 Gas 9 Q,." ,0 TSHB 8,434 7.19 20 Gas s:� 7 TSHC 8,450 7.18 20 Gas TSAD 8,490 7.17 20 Gas 45SB 8,530 7.16 20 Gas 42SB 8,600 7.15 20 Gas TCGL 8,660 7.13 20 Gas 4 ,'30 . . I BCGL 8,745 7.11 20 Gas 23SB 8,817 7.10 20 Gas 22TS 8,865 7.09 20 Gas 22N 8,920 8.20 • 20 Gas 21TS 8,920 7.08 . 20 Gas PGOC 8,945 7.07 20 TZ1B 8,980 7.07 20 Oil HOT 8,990 7.07 10 21TS" 8,937 7.07 20 Oil/Water/Gas 22N" 8,937 8.15 ' 20 02-41 PTD 3 6/25/2015 • • Casing/Tubing Program Hole size � Wt/Et <,Grade > ....:Cann Length � yg. MD.t .• s 42" 20"x 34" 215.5# A-53 - 80' Surface 94'/80' 12-1/4" 9-5/8" 40# L-80 BTC 3,594' Surface 3,594'/3,377' 9-1/2" 7" 26# L-80 VamTop HC 9,292 Surface 9,292'/8,379' 6-1/8" 4 1" 12.6# 13Cr-85 VamTop 3,974' 9,142'/8,243' 13,116'/8,940' (150'lap) Tubing 4'/z" 12.6# 13Cr-85 VamTop 9,137 Surface 9,137/8238' (-5'into liner TBS) Mud Program Surface Mud Pro•erties:MMO 12-1/4"Hole Section Surface -3,594'MD 8.5-9.3 6-20 35-80 <15 25-60 10-11 Intermediate Mud Pro•erties:LSND 9-1/2"Hole Section 3,594'MD-8,756'MD 9.8-10.0 10-15 20-30 <8 NA <20 8.5-9.5 8,756'MD-9,292'MD 10.0-10.3 10-15 20-30 <8 NA <20 8.5-9.5 Production Mud Pro•erties:Water Based Pol mer Fluid FloPro 6-1/8"Hole Section 9,292'MD-TD 8.5-9.0 <8 12-20 <12 NA <4 8.5-9.5 Logging Program Drilling: Dir/GR Open Hole: None Cased Hole: None Drilling: Dir/GR/RES Open Hole: None Cased Hole: Contingent Cement Bond Log Drilling: Dir/GR/RES/NEU Open Hole: None Cased Hole: None 02-41 PTD 4 6/25/2015 • • Cement Program Lead Open hole volume+350%excess in permafrost and 40%excess below permafrost Basis Lead TOC Target surface Tail Open hole volume+40%excess+80 ft shoe track Tail TOC _ 1000 ft MD above casing shoe Spacer -100 bbls of Viscosified Spacer weighted to-10.5 ppg (Mud Push II) Total Cement Lead 388.5 bbls,2179 cuft, 1141 sks of 11.0 ppg DeepCRETE,Yield: 1.91 cuft/sk Volume Tail 84.5 bbls,475 cuft,409 sks 15.8 lb/gal Class G—1.16 cuft/sk Temp BHST 66°F �/• ,a/ ✓ia rfjn "" '�T .�^r prfr�,' /a, n, ' %,'/� r `� Lead N/A Basis Lead TOC N/A Tail Open hole volume+30%excess+80 ft shoe track Tail TOC Target 1500 ft MD above 7"casing shoe Spacer -50 bbls of Viscosified Spacer weighted to-11.0 ppg (Mud Push II) Total Cement Lead N/A Volume Tail 81.4 bbls,457 cuft,394 sks 15.8 lb/gal Class G—1.16 cuft/sk Temp BHST 189°F Lead N/A Basis Lead TOC N/A Tail Open hole volume+30%excess+85 ft shoe track+200'of DP x 7"casing annulus Tail TOC Target 200 ft MD above top of 7"liner Spacer -35 bbls of Viscosified Spacer weighted to-10.0 ppg (Mud Push II) Total Cement Lead N/A Volume Tail 92 bbls,516 cuft,445 sks 15.8 lb/gal Class G—1.16 cuft/sk Temp BHST 200°F Surface and Anti-Collision Issues Surface Close Proximity: No wells will be affected by the Parker 272 rig shadow. Sub-Surface Pressure Management: The nearest active Cretaceous injection is into the UG 4 and 3 at PWDW 1-2A(located-5,950'away at disposal horizon). Other Cretaceous disposal wells influencing DS02 inject into the UG1 (PWDW3- 1, LPC-01, LPC-02). Verify disposal well injection rates and validate pore pressures for the Ugnu disposal intervals prior to MIRU. Put River is waterflooded;water injector 01-08A supports producer's 02-23A and 02-27A. If Put River injector 1-08Ai is on injection during drilling,then the producers must be on. If producers are not on,then it is required that 01-08Ai is shut-in while drilling the intermediate hole section. However, if producers and injector are on,then none of the Put River wells are required be shut-in during drilling operations as long as VRR is being appropriately managed (VRR-'1). Anti-Collision: 02-07BPB1 and 02-24A will be secured in a way such that they will present no HSE risks. 02-41 PTD 5 6/25/2015 • • Hydrogen Sulfide DS2 is not considered an H2S site. Recent H2S data from the pad is as follows: Well Name H2S Level Date of Reading #1 Closest SHL Well H2S Level 02-32C n/a No reading #2 Closest SHL Well H2S Level 02-18C n/a No reading #1 Closest BHL Well H2S Level 02-40 14 ppm 1/19/2012 #2 Closest BHL Well H2S Level 02-24A 16 ppm 4/8/2014 #3 Closest BHL Well H2S Level 02-07A 20 ppm 4/4/2013 #4 Closest BHL Well H2S Level 06-01 A 14 ppm 4/17/2015 Max Recorded H2S on Pad/Facility 02-08B 32 ppm 7/28/2009 Faults No faults are expected to be crossed. The fault locations provided is for a fault that the planned wellbore will cross over in close proximity. 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. 02-41 PTD 6 6/25/2015 • • Well Control The 12-1/4" surface hole will be drilled with a diverter (see attached diverter layout). The 9-1/2" hole section will be drilled with well control equipment consisting of 5,000 psi working pressure 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 02-41 will be 14 days with function test every 7 days. Except in the event of a significant operational issue that may affect well integrity or pose safety concerns, an extension to the 14 day BOP test period should not be requested. 9-1/2" Intermediate Interval Maximum anticipated BHP 3,790 psi at the TPTR at 8,190'TVDss(8.9 ppg EMW) ✓ Maximum surface pressure 2,958 psi at the TPTR (0.10 psi/ft gas gradient to surface) Kick tolerance 25 bbls with 11.8 ppg frac gradient. Assumes 7.8 ppg pore pressure in the SGR 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—12-1/4"hole LOT after drilling 20'-50'of new hole 9-5/8"Casing Test 3,500 psi surface pressure 6-1/8" Production Interval Maximum anticipated BHP 3,780 psi in the Ivishak at Zone 2 8,937'TVDss (8.15 ppg EMW) Maximum surface pressure 2,888 psi(0.10 psi/ft gas gradient to surface) ✓ Infinite with>9.5 ppg frac gradient. Kick tolerance Assumes an 8.2 ppg max pore pressure in the Ivishak Zone 2+ 0.5 ppg kick intensity and 8.5 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 4-1/2"Liner Top Packer 3,500 psi surface pressure Planned completion fluids 8.5 ppg seawater/2,200 ft diesel 02-41 PTD 7 6/25/2015 • • Variance Requests 1. To avoid the risk of plugging the flow line with large rocks and wood encountered while drilling surface hole, it is requested to drill without a flow paddle for the first portion of the surface hole. After drilling past the larger rocks and wood sections,the flow paddle will be put back in the flow line(<1000 ft).This is a variance from 20 AAC 25.033. 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 8.4-8.8 ppg fluid will provide over balance to formation fluid. 02-41 PTD 8 6/25/2015 • • Drill and Complete Operations Summary Current Condition and Well History 1. Install and survey 20"conductor and cellar box. 2. Weld on landing ring. 3. Level pad and prepare location. 4. Confirm cretaceous injection pressures. 5. Validate injection/production in area per SOR. Rig Operations 1. MIRU Parker 272: a. Survey conductor with rig over it to ensure rig is centered over the hole. b. RU diverter system and test. Notify AOGCC 24 hours in advance of test. 2. Drill 12-1/4"Surface Hole Section: a. Take on 8.7 ppg MAXDRIL-N. b. PU enough 5"drill pipe to drill the surface hole. c. Make-up 12.25"directional drilling assembly with MWD/GR/UBHO tool string. d. Clean out 20" conductor, spud well and directionally drill surface hole to the base of the permafrost. (Gyro until clean MWD surveys). e. At the base of the permafrost circulate hole clean and condition mud as required. f. Perform wiper trip to the top of the HWDP. g. Drill remainder of surface hole to planned casing point at the base of the SV4. h. Circulate hole clean and condition mud as required. i. Perform wiper trip to base of permafrost. j. Trip back to TD, circulate hole clean and condition mud for running 9-5/8"casing. k. POOH and LD BHA. 3. Run &Cement 9-5/8"Surface Casing: a. Run 9-5/8", 40 ppf, L-80, BTC surface casing with Volant tool. Install Torque rings in each connection. b. Cement with 15.8 ppg Class G tail cement and non-freezing cement to surface. c. Pressure test casing to 3,500 psi for 5 minutes on plug bump. d. RD cementing equipment and flush and RD diverter system. e. NU FMC 13-5/8"5M New Standard wellhead system and test as required. f. NU and pressure test BOPE. (Configured from top to bottom: 13-5/8" annular preventer, 2- 7/8"x 5-1/2"VBRs in the upper cavity, blind/shear rams, mud cross and 2-7/8"x 5-1/2"VBRs in the lower cavity). ➢ Test rams to 250 psi/3,500 psi with 4"and 5"test joints. ➢ Test annular to 250 psi/3,500 psi with 4"test joint. 02-41 PTD 9 6/25/2015 • • 4. Drill 9-1/2"Intermediate Hole Section: a. PU enough 5"drill pipe to drill the 9-1/2"intermediate hole. b. Test 9-5/8"casing to 250 psi for 5 minutes/3,500 psi for 30 minutes after tail cement reaches a minimum of 500 psi compressive strength. c. MU 8-1/2"x 9-1/2"bi-center bit and drilling assembly with MWD/GR/RES tool string. d. RIH and tag float collar or TOC. Drill out all but 10 ft of shoe track and then displace to 9.8 ppg LSND mud. Drill out remainder of shoe track. e. Drill at least 20'but no more than 50'of new formation and CBU. f. Pull inside casing and perform LOT. g. Drill ahead per directional plan. Ensure mud weight is increased to a minimum of 10.2 ppg at least 200'above the THRZ. h. Continue drilling to the 9-1/2" intermediate hole to TSGR. CBU as needed for cutting samples to properly identify TSG R. i. At casing point,circulate hole clean and condition mud as needed. j. Perform wiper trip, Run back to bottom, circulate hole clean and condition mud for running 7" casing. k. POOH and LD BHA. If backreaming is necessary, trip back to TD and POH on elevators for final trip out. 5. Run and Cement 7"Intermediate Casing: a. Change upper 2-7/8"x 5-1/2"VBRs to 7"fixed bore rams and test to 3,500 psi. b. Run 7", 26 ppf, L-80,VamTop HC intermediate casing. c. Stage pumps up and condition mud for cement job. Cement with 15.8 ppg Class G Tail. d. Pressure test casing to 3,500 psi for 30 minutes on plug bump. e. Install casing pack-off and test per FMC representative's procedures/instructions. f. RD cementing equipment and flush stack. g. Change rams to 2-7/8"x 5-1/2"VBR in upper cavity. Test to 250 psi/3,500 psi. h. Freeze-protect the 13-3/8" x 9-5/8" annulus once the cement has reached 500 psi compressive strength. 6. Drill 6-1/8" Production Hole Section: a. PU enough 4"drill pipe to drill the 6-1/8"production hole. b. Test 7" liner to 250 psi for 5 minutes / 3,500 psi for 30 minutes after cement reaches a minimum of 500 psi compressive strength. c. Make-up 6-1/8"drilling assembly with MWD/GR/RES/NEU/DEN. d. RIH and tag landing collar or TOC. Displace to 8.5 ppg Flo-Pro SF fluid before drilling the shoe track. e. Drill at least 20'but no more than 50'of new formation and CBU. f. Pull inside casing and perform the FIT. g. Drill ahead to TD per directional plan and rig site geologist as bit performance allows. POOH to replace bit if required. h. At casing point,circulate hole clean and condition the mud as needed. i. Perform wiper trip to the previous casing shoe. Run back to bottom, circulate hole clean and condition mud for running casing. j. POOH, LD excess 4"drill pipe and BHA. 7. Run and Cement 4-1/2" Production Liner: 02-41 PTD 10 6/25/2015 • • a. Run 4-1/2", 12.6 ppf, 13Cr-85, VamTop production liner with 150 ft lap into the 7"liner shoe. b. Cement 4-1/2"production liner. c. Pressure test 7"casing x 4-1/2"liner to 3,500 psi for 30 minutes. d. POOH, LD liner running tool. 8. Run 4-1/2"Completion: a. RU and run a 4-1/2", 12.6 ppf, 13Cr-85, VamTop completion. Space out and land the tubing with the tubing tail inserted into the liner tie back sleeve. Run in lock down screws. b. Displace well to seawater completion fluid through the IA. c. Drop ball and rod to RHC plug. d. Set production packer with 3,500 psi and test tubing and IA to 3,500 psi for 30 min. e. Bleed tubing pressure down to 2,000 psi. f. Bleed down Tubing to 0 psi and shear DCR-1. Pump both ways to confirm shear. g. Pump enough diesel freeze protect fluid into the IA to protect to 2,200 ft TVD on both tubing and IA. h. RU jumper line between tubing and IA to allow diesel to U-tube into tubing. 9. Nipple Down BOPE/Nipple Up Production Tree and Freeze Protect: a. Install TWC and test. Nipple down BOPE. b. N/U the tubing head adapter flange and dry hole tree. c. Test tubing head adapter flange and tree to 250 psi for 5 minutes/5,000 psi d. Install VR plugs in the annulus valves as needed and secure the well. Ensure that both IA and OA are protected by two barriers. 10. Release Rig: I.Rig down and move off location. Post-Rig Operations 1. Change out from dry hole. 2. DSM Pull TWC. 3. MIRU slick line. Pull ball and rod/RHC plug from landing nipple below production packer. 4. Install GLVs. 5. RU Coil or E-line and perforate -200'of the 4-1/2" Production liner. 6. Install the well house, instrumentation, s-riser. 02-41 PTD 11 6/25/2015 • S 02-41 Drilling Critical Issues POST THIS NOTICE IN THE DOGHOUSE I. Well Control/ Reservoir Pressures A. Intermediate Hole:The UG4-UG1 is expected to be a 9.7 ppg EMW, and it will be drilled with a 9.8-10 ppg MW. The CM2, CM1, and HRZ are expected to have a pore pressure of 10.1, 10.2, and 10.2 ppg EMW respectively. These formations are not considered distinct permeable zones and do not pose the potential for sustained hydrocarbon flow. The well should be monitored for signs of GCM while drilling thru the CM1 since it has been noted on the pad data sheet. The Put River formation is present, and will be drilled with a substantial amount of overbalance. C. Production Hole: The Ivishak is expected to have an 8.2 ppg EMW in zone 2. Reservoir pressures will be controlled by using 8.4-8.8 ppg water based mud. ILLost Circulation/Breathing A. Surface hole:There have been instances of lost circulation while running surface casing on DS 2. B. Intermediate/Production: There are no expected fault crossings in 02-41`s planned wellpath. However, the well does cross over the top of fault 1 below in the intermediate hole. Fault 1 has been crossed multiple times in offset wells without experiencing lost circulation. The probability of lost circulation is low for the intermediate and production hole. C. DS2 has not had a history of breathing. III Fault Locations Fault not actually crossed lust close .roximity to well path. r , F 6 Wage J FG ff r f ' ® y' de C�„?la>, :rie air'i€ ::,a ;' Ftteioeti r„ erSeL`tci f Ff„/,'✓;'!�.f�,; .s'.;F. �.. Fault 1 -UG3 5,100 -4,800 Down thrown North 400 ft lateral Low 10' &MD IV.Differential Sticking A. The Put River formation will be drilled with the 10.2-10.3 ppg MW exerting -340 psi of overbalance. The Typical fluid loss for shale drilling should be adequate to prevent the chance of differential sticking. However;every attempt to keep the pipe moving should be made while across the Put River. V. Intermediate Casing Pick A. The TJB is the most frequently used marker for picking intermediate casing when casing is to be set at the TSGR.The TJB has been eroded away in the 02-41 target area and the TJA will be utilized to pick intermediate casing. The intermediate casing must be set in 2-5' into the TSGR to avoid setting too high and risking Kingak instability in while drilling the production hole, or drilling too far and inducing lost circulation in the Sag River. VI.New Technology A. A 8-1/2"x 9-1/2"bi-center bit will be used to drill the intermediate hole. This technology has been utilized on the North Slope, but not to drill the Ugnu formation.The Ugnu is known for inducing stick slip and vibrations. Drilling Parameters may need to be altered to preserve bit life in order to make TD in one run. VII.Wellbore Stability A. The CM1 and HRZ will be drilled with a MW close to pore pressure. The HRZ polar plot indicates and the behaviour of recent offset wells indicate that this minimal amount of overbalance is sufficient to maintain wellbore stability. Careful observation of the cuttings is required to identify signs of instability. CONSULT THE D502 DATA SHEET AND THE WELL PLAN FOR ADDITIONAL INFORMATION. 02-41 PTD 12 6/25/2015 • • Loepp, Victoria T (DOA) From: Thompson,Jacob <Jacob.Thompson@BP.com> Sent: Wednesday, July 08, 2015 1:28 PM To: Loepp, Victoria T (DOA) Cc: Lastufka, Joseph N; Endacott, Mary S Subject: RE: PTD deficiencies: PBU 02-41(PTD 215-113)Anti-collision Attachments: 02-41 wp06.pdf Follow Up Flag: Follow up Flag Status: Flagged Victoria, Please see the latest directional plan for 02-41. It is noted as wp06. Wp5 was developed with Schlumberger for Parker 273, but the well was recently swapped to Parker 272 on the drilling schedule. Baker updated the plan to move the surface location slightly, and adjust the RKB to Parker 272's.The as drilled trajectory and targets remain unchanged. Below is an explanation of how the wells will be secured. 02-41 fails major risk against the 02-07BPB wellbore in the 6-1/8" Production section. 02-07BPB1 is an abandoned coil open hole lateral that was left due to wellbore instability. It requires no remedial action to secure it for drill by. The well requires no minor risk value to be assigned, but will pass a 1:200 value. 02-41 fails major risk against the 02-24 and 02-24A wellbores.The potential collision would occur between 02-24's abandoned 7" liner in 02-41 6-1/8" production hole.The collision between 02-24A and 02-41 would also happen in 02- 41's production hole, but would intersect 02-24A's active 3-3/16" x 2-7/8" liner. 02-24A will be shut in at surface prior to drilling 02-41's Production hole. Both wells pass a 1:200 minor risk value. I apologies for not providing the above information in the original PTD, I was unaware of the below communications. Please contact me if you require more information or explanation. Thanks, Jacob Thompson BP Alaska Rotary Drilling Engineer Cell:(907)854-4377 Office:(907)564-5579 From: Loepp, Victoria T(DOA) [mailto:victoria.loepp@alaska.gov] Sent: Wednesday, July 08, 2015 8:35 AM To:Thompson, Jacob Cc: Lastufka, Joseph N; Endacott, Mary S Subject: FW: PTD deficiencies: PBU 02-41(PTD 215-113)Anti-collision Jacob, No anti-collision report summary. No mitigation measures. See note below. • • O( 0000 V 00040 N CO 0041 Cr 02 o C)C700)00 C')ON.N.C)O N.-C)On 0 O C? 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ON O 40300001010000 N N0001014 O 0000000000000 7 O N 0 (D(O co O co O(O O V? 0 O U)(0M co co co O O O O O O O O O O O O O O 00 avaav0a0aa4 a 4.:1.a a 0)a Ni 00(70000c60000(7 N N N N N N N N N NN NNN N N N N N N N N N N N N N N N N N N N N N Y c` COO 0 CO N h h h N N h N h N O N N M M O CO O CO CO O 0 0 0 O CO O CO 0 0 O ' - 00 0 000000 0003030 0 NN N N N 0 O 0000000000000 07 00) 000000 00000 00) 666000 0 0m 0636 06606000 00000 N a 0 0 Z OO CD 0 O N 000000000 000 000,-00 0 W MOO 000, 0000000000000 00000000 O 00 N (30 4 000 000000 0 a Cl 000 N O 0 0 000000000 000. CON N CO CO 0 0,-N CO4 U)CO CO CO NCO CO CO 0 0 0 0.-0-(04 O CO N co 0 .- 0 0 0 0 0 0 N N N N N N N N N N N N 0 0(0 O Cl LON 0 N 0) N :0. 0 0 a :c 00 O O E02 t Z U N U U O) 0 H Lu` UGH u 0 co QQ wm LU w m a 0 0 10p0 I• - 1500 0 _ `1 300 200 i 9 5/8" 0 -1000 _ $000 3000 \ O00 o - 4000 N -2000 6000 co 4500 _ 5p00 0 7000 L _ 00 - y0 .--E-CP +-3000 ..,'000 0 v 6000 opo Z _ `94 _ 1 � 00 -4000 0 a) 7500 0 - H - 900 D0 - / 0 0 -5000 cn 9000 - - 1 -6000 �N/ o _ 4 1/2" I i i i I I I I i I i t i i I i 1 1 1 I 1 1 1 1 1 1 1 i i 1 1 1 1 1 I 1 ; 1 1 1 i 1 1 1 1 1 1 1 1 1 ' 1 l 1 i i i i i i i 1 1 0 1500 3000 4500 6000 7500 -5000 -4000 -3000 -2000 -1000 0 1000 Vertical Section at 211.73°(3000 usft/in) West(-)/East(+) (2000 usft/in) SURVEY PROGRAM i\ Date: 2015-04-13T00:00:00 Validated:Yes Version: ,:i�� Depth rom Depth To Survey/Plan Tool .6.95 500.00 Plan#5 02-41 (Plan 02-4c J1'D-GC-SS 510.00 2000.00 Plan#5 02-41 (Plan 02-4NI)JID 510.00 3590.00 Plan#5 02-41 (Plan 02-4M)/VD+IFR+MS-WOCA 35'0.00 5090.00 Plan#5 02-41 (Plan 02-414WD ' '0.00 9290.00 Plan#5 02-41 (Plan 02-4M)/VD+IFR+MS-WOCA � %1)111. 92'0.00 10800.00 Plan#5 02-41 (Plan 02-4M7ND 1 92'0.00 13116.23 Plan #5 02-41 (Plan 02-4111)ND+IFR+MS-WOCA Illy01,14 •404101,' ''' , *it.,4f.., /..", -, 1 lito i/i14( /4*ow i 41 \\./....____ 00 00`9 1+�' s 8" o00 0't 000 ,i\ : i ,, � o o friii 7" 4 1 /2" il *, -...... ' Doo 4•0,Qbp ,.. ; 0, .1, TRIM= CIW H 4-1/16" • =VVELLHEACameron ACTUATOR 02-41 Proposed ACTUATOR= OKB.ELEV= BF.ELEV= KOP= 11 Max Angle= ' . 2507' —14-1/2"HES X NP,D=3.813" Datum MD= N/A Datum ND= 8800'SS GAS LFT MANDRELS 20'INSULATED CONDUCTOR, —80 <I ST MD TVD DEV TYPE VLV LATCH PORT DATE 91.5#, A-53,D=19.124' 6 KBG-4-5 BK 5 KBG-4-5 BK 9-5/8'CSG,40#,L-80 BTC,D=8.835' —1 3594' 4 KBG-4-5 BK 3 KBG-4-5 BK 2 KBG-4-5 BK TOP OF CEMENT H 7792' 1 KBG-4-5 BK b ' 11741' H 4-1/2"HES X NP,D=3.813" kel Y Zot Y' top' R o�_ ��. 9020' Hr X 4-1/2'HES TNT PKR,ID=3.856" it 1 g•i. 9080' --14-112'HES X NP,13=3.816' tig I II•'tf 9100' —14-1/2'HES XN NP,13=3.725' 1 41 kiii ierl Y {� ' 9142' 1-7'X 5"BKR HRD-EZXPN LTP w/TEBACK TOP OF 4-1/2'LNR 9142 `"' SLV,D=4.340" Y kilii ►,4 ►4 ' 9005' _H4-1/2"WLEG,D=3.958" 4-112'TBG,12.6#,13CR-85 VAM TOP, 9142' 4r 4r 4r to*4114 ON. 4% CSN H ELLE)TT NOT LOGGED .0152 bpf,D=3.958" evi + 9142' 7'X 5"DG BKR FLEX-LOCK LNR HGR,# M� D=4.310" 7"CSG,26#,L-80 VAM TOP HC, � 9292' �► .0383 bpf,ID=6.276" +' 7 t 4, R 4 4 .J� ? --14-1/2"RA PUPJONT 4. ici 7.!il 4 ? —14-1/2"RA PUP JOINT V PBTD — 13031' y,..... l 1'114 4-1/2"LNR,12.6#,13CR 85 VAM TOP, —1 13116" .0152 bpf,ID=3.958" DATE REV BY CO NENTS . DATE REV BY COMMENTS PRUDHOE BAY UNIT WELL:'32-41 PERMT No: API No: SEC 36,T11 N,R14E,5242 FSL&4529'FEL BP Exploration(Alaska) • • i 'z 969' +. -+— 244' ► 11 ti . ,r _ --- - ----, -- N, / ti / \ d N I li 1 \ ' l 1 32 22-�L_. }. I: I I II ( i I I 30 .-11...._ l'. 1 1 it . t,_.____ LI 1 +e `-P- .... ....-_ :11, . .,..- , k:. I Enter/Exd /'„,,, / 2722^41_ II I' fi —__ _r 1 y r i / / 1� I I {I 40 I' 1 1 \ _-� 1 { i I i —u .,,_- -�_�.. v 1I f33 •-i` 11 fr- ^\ ''''s \+ o III J 13 I 1 / I Zv i1irn 1 -II ' 1 1 I 3S /�f +2 .�. l I =36 1 ..37 I i all I + I 1 II , d t 1 , .._�, , I. /� 1 1 xr *ill �C..._ !1 i i I I __ ___— tf 1:>'41- ''•'-- 2 I .h l i —.:266 I, 1 ..22 29 I l _l i1 I I 11 .. I 4 1 175' I 14 170' I 1 .- I 1mIL 25 * f , ki I I '..—e. 1 1 I .1 175' 11 ii T i 24 Is-.1,,, ' I I1 i 23 2-��•I�y I1 1 1 1 i a1 • 1 sj Ki I 1 o I 1 /� _ JI -._ i 2° .-I� I 1I ii .., I. I I I L't Ii ii 1 it Oji `y l�`--- { I 1 rr �� _z,.---- I I I �. /, "-`.$ ``•.,.„... / ii -�:`: ` EnterfExtt ! /N. // \\// "�- � -_... ,- -•-230' 2185' WELL PRODUCER ■ Or 0 WELL INJECTOR A DATE : 9/5/2012 SCALE : 1”= 350' MAP DATE : 2011 PBU - DS 2 WFI I SI OT W C`ON1')t ICTC)R n • • li 969' 240' ao II 111 11 ,,.. — _ I I � I! �� I � I t 1 a- 1 S I ,.. 1 22"Bend Up I' ',.;17,-7,;,,',:'i i I (2)34'sections t I of 16"=2 joints I 26 2 I,� , SII I _ I I I . "» , . . m {6 Enier+`Exp �,r I � I i 15 1- ,,,,, coiD if i 1 ' I :HI ' Il f- �;,i 4 IT - II =3s t i r 12 • 1 -_ .. ;:.-. I ,,, • ;1. Measure 0 JLj SPgrnent4 69.482 Feet Total:Length:69.48f3 Feet Nor 70' From Well to Reserve Pit • --r 2 • • PARKER 272 DIVERTER Imo■■ ■ ■ ■■moi ��u11((vv��]S757 HYDRIC DIVERTER ANNULAR '. ME ° MSP 21-1/4" X 2000 PSI STUD x FLANGE R-73 RING GROOVE f lf[LHtltfTlf7[fhIb � r ILL llU[U1UJU[UIT7i, RISER SPOOL, SPACER 21-1/4" 2M PSI R-73 FLANGED STD RING GROOVE 8'-10" OVERALL LENGTH ;tC_ff7[l[tJ[f11flfl "-it ICI IUU'U'UiU[UI:L 22' RISER SPOOL, SPACER 21-1/4" 2M PSI 16" 300 PSI CWP R-73 FLANGED 100% FULL PORT OPENING STD RING GROOVE tC ft�[n[t-i[f-1[f21f31 HYDRAULICALLY ACTUATED 11'-3 15/16" OVERALL LENGTH e KNIFE GATE VALVE 1,114 , WITH CLASS 300# ANSI B16.5 FLANGE DIVERTER VENT SPOOL 21-1/4" 2M PSI +-- — -- 16" DIVERTER VENT LINE R-73 FLANGED STD RING GROOVES W/ 16" CLASS 300# ANSI 316.5 OUTLET 3'-10" OVERALL LENGTH ,tir fn[fhri[n n nl '11 • 0 PARKER 272 BOP STACK RAM TYPE BOP: DUTCH LOCK DOWN FLANGE SHAFFER LXT DOUBLE BOP 13 5/8"-5M II 1 13 5/8"-5M STUDDED TOP 1 13 5/8"-5M FLANGED BOTTOM W/(2) 14" UL2 OPERATOR, UPPER CAVITY ANNULAR BOP: AND (2) 14" PSLK W/BSTR OPERATOR, hR hI SHAFFER LXT 13 5/8" 5M LOWER CAVITY 13-5/8" 5M STUDDED TOP 0 13-5/8" 5M FLANGED BOTTOM 0 DRILLING CROSS: l I 13 5/8"-5M FLANGED TOP ir, 1 ..gyp I 1 13 5/8"-5M FLANGED BOTTOM 46-6,,O b ' 3 W (2) 3 1/8"-5M SIDE OUTLETS _ o° - • f 1I Q°°� a ,�°QO I l II o o•• ° ° GAM . II 1�•�f 1 1 KILL LINE: °`I�r 1111 (S , "`ti BS 3-1/8" 5M FLANGED MA MANUAL GATE VALVE 3-1/8" 5M FLANGED HYDRAULIC GATE VALVE U ° o • 00 ii I 1 I CHOKE LINE: RAM TYPE BOP: 3-1/8" 5M FLANGED MANUAL GATE VALVE SHAFFER LXT SINGLE 13 5/8" 5M 3-1/8" 5M FLANGED HYDRAULIC GATE VALVE 13 5/8"-5M STUDDED TOP 13 5/8"- 5M FLANGED BOTTOM 3-1/8" 5M FLEX HOSE w/(2) 14" UL2 OPERATOR • North America - ALASKA - BP Prudhoe Bay PB DS 02 Plan 02-41 Plan 02-41 02-41 wp06 Anticollision Summary Report 02 July, 2015 BAKER HUGHES i BP . l bp Anticollision Report BAKER HUGHES Company: North America-ALASKA-BP Local Co-ordinate Reference: Well Plan 02-41 Project: Prudhoe Bay TVD Reference: 02-41 Plan @ 77.15usft(P272 Plan) Reference Site: PB DS 02 MD Reference: 02-41 Plan @ 77.15usft(P272 Plan) Site Error: 0.00usft North Reference: True Reference Well: Plan 02-41 Survey Calculation Method: Minimum Curvature Well Error: 0.00usft Output errors are at 1.00 sigma Reference Wellbore Plan 02-41 Database: EDM R5K-Alaska PROD-ANCP1 Reference Design: 02-41 wp06 Offset TVD Reference: Offset Datum Reference 02-41 wp06 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 1,506.93usft Error Surface: Elliptical Conic Survey Tool Program Date 7/2/2015 From To i (usft) (usft) Survey(Wellbore) Tool Name Description 47.15 800.00 02-41 wp06(Plan 02-41) GYD-GC-SS Gyrodata gyro single shots 800.00 2,300.00 02-41 wp06(Plan 02-41) MWD MWD-Standard 800.00 3,595.00 02-41 wp06(Plan 02-41) MWD+IFR+MS-WOCA MWD+IFR+Multi Station W/O Crustal 3,595.00 5,100.00 02-41 wp06(Plan 02-41) MWD MWD-Standard 3,595.00 9,292.00 02-41 wp06(Plan 02-41) MWD+IFR+MS-WOCA MWD+IFR+Multi Station W/O Crustal 9,292.00 10,800.00 02-41 wp06(Plan 02-41) MWD MWD-Standard 9,292.00 13,116.43 02-41 wp06(Plan 02-41) MWD+IFR+MS-WOCA MWD+IFR+Multi Station W/O Crustal 7/2/2015 1:40:49PM Page 2 of 5 COMPASS 5000.1 Build 61 w • BP • bp Anticollision Report BAKER HUGHES Company: North America-ALASKA-BP Local Co-ordinate Reference: Well Plan 02-41 Project: Prudhoe Bay TVD Reference: 02-41 Plan @ 77.15usft(P272 Plan) Reference Site: PB DS 02 MD Reference: 02-41 Plan @ 77,15usft(P272 Plan) Site Error: 0.00usft North Reference: True Reference Well: Plan 02-41 Survey Calculation Method: Minimum Curvature Well Error: 0.00usft Output errors are at 1.00 sigma Reference Wellbore Plan 02-41 Database: EDM R5K-Alaska PROD-ANCP1 Reference Design: 02-41 wp06 Offset TVD 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 DS 02 02-05-02-05-02-05 5,200.00 5,675.00 547.95 75.83 475.25 Pass-Major Risk 02-05-02-05A-02-05A 5,200.00 5,675.00 547.95 75.83 475.25 Pass-Major Risk 02-05-02-05APB1-02-05APB1 5,200.00 5,675.00 547.95 75.83 475.25 Pass-Major Risk 02-06-02-06-02-06 6,656.83 6,825.00 434.68 112.34 341.57 Pass-Major Risk 02-06-02-06A-02-06A 6,656.83 6,825.00 434.68 112.34 341.57 Pass-Major Risk 02-06-02-06B-02-06B 6,656.83 6,825.00 434.68 112.34 341.57 Pass-Major Risk 02-06-02-06C-02-06C 6,656.83 6,825.00 434.68 112.34 341.57 Pass-Major Risk 02-07-02-07-02-07 10,226.77 9,950.00 452.63 169.30 285.84 Pass-Major Risk 02-07-02-07A-02-07A 9,908.45 11,125.00 182.87 156.60 65.16 Pass-Major Risk 02-07-02-07APB1-02-07APB1 10,549.90 10,325.00 341.33 188.09 160.14 Pass-Major Risk 02-07-02-07APB2-02-07APB2 10,000.00 10,925.00 201.18 160.65 52.24 Pass-Major Risk 02-07-02-078-02-07B 10,040.20 10,850.00 307.83 192.71 115.56 Pass-Major Risk 02-07-02-07BPB1-02-07BPB1 10,025.66 10,875.00 285.90 44.95 241.02 Pass-Minor 1/200 02-07-02-07BPB2-02-07BPB2 9,909.57 11,025.00 274.37 184.91 98.14 Pass-Major Risk 02-08-02-08-02-08 4,796.22 4,825.00 447.06 119.99 327.15 Pass-Major Risk 02-08-02-08A-02-08A 4,796.22 4,825.00 447.06 119.88 327.26 Pass-Major Risk 02-08-02-08APB1-02-08APB1 4,796.22 4,825.00 447.06 119.88 327.26 Pass-Major Risk 02-08-02-08B-02-08B 4,796.25 4,825.00 447.07 119.99 327.15 Pass-Major Risk 02-13-02-13C-02-13C 4,453.95 4,425.00 459.31 67.69 391.66 Pass-Major Risk 02-14-02-14-02-14 5,056.13 5,150.00 264.58 85.73 192.10 Pass-Major Risk 02-14-02-14A-02-14A 5,060.78 5,150.00 264.57 84.96 192.06 Pass-Major Risk 02-14-02-14B-02-14 WP11 5,060.78 5,150.00 264.57 84.96 192.06 Pass-Major Risk 02-14-02-14B-02-14B 47.15 46.15 540.09 0.91 539.18 Pass-Major Risk 02-15-02-15-02-15 2,197.27 2,125.00 396.23 41.13 355.88 Pass-Major Risk 02-15-02-15A-02-15A 2,197.27 2,125.00 396.23 41.13 355.88 Pass-Major Risk 02-15-02-15APB1-02-15APB1 2,197.27 2,125.00 396.23 41.13 355.88 Pass-Major Risk 02-15-02-15B-02-15B 2,207.37 2,150.00 396.43 41.38 355.86 Pass-Major Risk 02-16-02-16-02-16 1,979.95 2,000.00 102.24 54.84 50.30 Pass-Major Risk 02-16-02-16A-02-16A 1,983.86 2,000.00 102.40 55.08 50.19 Pass-Major Risk 02-16-02-16B-02-16B 1,983.86 2,000.00 102.40 55.08 50.19 Pass-Major Risk 02-16-02-16C-02-16C 1,983.86 2,000.00 102.40 55.08 50.19 Pass-Major Risk 02-16-02-16CPB1-02-16CPB1 1,983.86 2,000.00 102.40 55.08 50.19 Pass-Major Risk 02-17-02-17-02-17 661.63 650.00 186.81 11.77 175.04 Pass-Major Risk 02-17-02-17A-02-17A 663.98 650.00 186.84 11.81 175.04 Pass-Major Risk 02-17-02-17B-02-176 663.98 650.00 186.84 11.81 175.04 Pass-Major Risk 02-18-02-18-02-18 587.53 575.00 62.16 10.16 52.00 Pass-Major Risk 02-18-02-18A-02-18A 587.53 575.00 62.16 10.01 52.16 Pass-Major Risk 02-18-02-18APB1-02-18APB1 587.53 575.00 62.16 10.01 52.16 Pass-Major Risk 02-18-02-18APB2-02-18APB2 587.53 575.00 62.16 10.01 52.16 Pass-Major Risk 02-18-02-18APB3-02-18APB3 587.53 575.00 62.16 10.01 52.16 Pass-Major Risk 02-18-02-18B-02-18B 587.53 575.00 62.16 10.16 52.00 Pass-Major Risk 02-18-02-18BPB1-02-18BPB1 587.53 575.00 62.16 10.01 52.16 Pass-Major Risk 02-18-02-18C-02-18C 587.53 575.00 62.16 10.16 52.00 Pass-Major Risk 02-18-02-18CPB1-02-18CPB1 587.53 575.00 62.16 10.16 52.00 Pass-Major Risk 02-19-02-19-02-19 Out of range 02-20-02-20-02-20 Out of range 02-21-02-21-02-21 4,251.97 3,675.00 1,441.96 66.04 1,384.24 Pass-Major Risk 02-21-02-21A-02-21A 4,251.97 3,675.00 1,441.96 66.04 1,384.24 Pass-Major Risk 02-21-02-218-02-21 B 4,251.97 3,675.00 1,441.96 66.04 1,384.24 Pass-Major Risk 02-22-02-22-02-22 5,025.36 4,700.00 1,037.51 120.10 918.08 Pass-Major Risk 02-22-02-22A-02-22A 5,025.36 4,700.00 1,037.51 120.10 918.08 Pass-Major Risk 02-22-02-22B-02-22B 5,029.18 4,700.00 1,037.50 120.28 917.91 Pass-Major Risk 02-23-02-23-02-23 6,482.69 6,050.00 246.01 80.11 166.43 Pass-Major Risk 7/2/2015 1:40:49PM Page 3 of COMPASS 5000.1 Build 61 *4 BP 14111111 bp Anticollision Report BAKER HUGHES Company: North America-ALASKA-BP Local Co-ordinate Reference: Well Plan 02-41 Project: Prudhoe Bay TVD Reference: 02-41 Plan @ 77.15usft(P272 Plan) Reference Site: PB DS 02 MD Reference: 02-41 Plan @ 77.15usft(P272 Plan) Site Error: 0.00usft North Reference: True Reference Well: Plan 02-41 Survey Calculation Method: Minimum Curvature Well Error. 0.00usft Output errors are at 1.00 sigma Reference Wellbore Plan 02-41 Database: EDM R5K-Alaska PROD-ANCP1 Reference Design: 02-41 wp06 Offset TVD 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 DS 02 02-23-02-23A-02-23A 6,482.69 6,050.00 246.01 80.11 166.43 Pass-Major Risk 02-23-02-23PB1-02-23PB1 6,482.69 6,050.00 246.01 80.11 166.43 Pass-Major Risk 02-24-02-24-02-24 12,015.83 10,325.00 423.01 53.02 421.42 Pass-Minor 1/200 02-24-02-24A-02-24A 11,999.79 10,200.00 552.37 41.92 551.13 Pass-Minor 1/200 02-25-02-25-02-25 6,244.20 5,600.00 1,022.16 172.39 938.89 Pass-Major Risk 02-25-02-25A-02-25A 9,766.21 11,728.00 582.26 409.86 184.65 Pass-Major Risk 02-26-02-26-02-26 4,089.86 3,650.00 908.05 61.17 858.59 Pass-Major Risk 02-26-02-26A-02-26A 4,089.86 3,650.00 908.05 61.17 858.59 Pass-Major Risk 02-26-02-26APB1-02-26APB1 4,089.86 3,650.00 908.05 61.17 858.59 Pass-Major Risk 02-26-02-26APB2-02-26APB2 4,089.86 3,650.00 908.05 61.17 858.59 Pass-Major Risk 02-26-02-26B-02-26B 4,094.83 3,650.00 908.08 61.25 858.58 Pass-Major Risk 02-28-02-26C-02-26C 4,094.83 3,650.00 908.08 61.25 858.58 Pass-Major Risk 02-27-02-27-02-27 1,986.44 1,925.00 367.71 41.59 327.02 Pass-Major Risk 02-27-02-27A-02-27A 1,966.61 1,900.00 367.15 40.94 327.03 Pass-Major Risk 02-28-02-28-02-28 736.98 725.00 241.63 11.83 229.80 Pass-Major Risk 02-28-02-28A-02-28A 736.98 725.00 241.63 11.88 229.75 Pass-Major Risk 02-28-02-28APB1-02-28APB1 736.98 725.00 241.63 11.88 229.75 Pass-Major Risk 02-30-02-30-02-30 1,020.28 1,025.00 64.71 22.85 42.19 Pass-Major Risk 02-30-02-30A-02-30A 1,027.35 1,025.00 64.87 23.04 42.21 Pass-Major Risk 02-30-02-30B-02-30B 1,028.73 1,025.00 64.92 23.08 42.22 Pass-Major Risk 02-30-02-30BPB1-02-30BPB1 1,028.73 1,025.00 64.92 23.08 42.22 Pass-Major Risk 02-32-02-32-02-32 583.11 575.00 61.04 9.11 52.03 Pass-Major Risk 02-32-02-32A-02-32A 583.11 575.00 61.04 9.11 52.03 Pass-Major Risk 02-32-02-32APB1-02-32APB1 583.11 575.00 61.04 9.11 52.03 Pass-Major Risk 02-32-02-32APB2-02-32APB2 583.11 575.00 61.04 9.11 52.03 Pass-Major Risk 02-32-02-32APB3-02-32APB3 583.11 575.00 61.04 9.11 52.03 Pass-Major Risk 02-32-02-32B-02-32B 595.02 575.00 61.20 9.29 52.02 Pass-Major Risk 02-32-02-32C-02-32C 595.02 575.00 61.20 9.14 52.17 Pass-Major Risk 02-32-02-32CPB1-02-32CPB1 595.02 575.00 61.20 9.29 52.02 Pass-Major Risk 02-33-02-33B-02-33B 2,650.52 2,550.00 492.57 40.86 451.93 Pass-Major Risk 02-40-02-40-02-40 11,530.67 11,000.00 503.75 176.99 330.99 Pass-Major Risk 02-40-02-4OPB1-02-40PB1 6,414.32 6,525.00 632.62 98.16 556.90 Pass-Major Risk PB DS 06 06-01-06-01A-06-01A 11,216.12 11,400.00 1,178.27 426.34 753.58 Pass-Major Risk 06-02-06-02-06-02 Out of range 06-02-06-02A-06-02A Out of range 06-02-06-02APB1-06-02APB1 Out of range 06-02-06-028-06-02B Out of range 06-24-06-24B-06-248 Out of range 06-24-06-24BPB1-06-24BPB1 Out of range PB DS 07 07-07A-07-07C-07-07C 12,091.98 14,396.00 1,213.20 140.76 1,079.16 Pass-Major Risk 07-07A-07-07C-Plan#5d 07-07C 12,079.80 14,239.18 1,350.91 147.39 1,210.18 Pass-Major Risk 7/2/2015 1:40:49PM Page 4 of 5 COMPASS 5000.1 Build 61 BP • ligiill Anticollision Report BAKER HUGHES Company: North America-ALASKA-BP Local Co-ordinate Reference: Well Plan 02-41 Project: Prudhoe Bay TVD Reference: 02-41 Plan @ 77.15usft(P272 Plan) Reference Site: PB DS 02 MD Reference: 02-41 Plan @ 77.15usft(P272 Plan) Site Error: 0.00usft North Reference: True Reference Well: Plan 02-41 Survey Calculation Method: Minimum Curvature Well Error: 0.00usft Output errors are at 1.00 sigma Reference Wellbore Plan 02-41 Database: EDM R5K-Alaska PROD-ANCP1 Reference Design: 02-41 wp06 Offset TVD Reference: Offset Datum Reference Depths are relative to 02-41 Plan©77.15usft(P272 Plan) Coordinates are relative to:Plan 02-41 Offset Depths are relative to Offset Datum Coordinate System is US State Plane 1927(Exact solution),Alaska Zone 04 Central Meridian is 150°0'0.000 W° Grid Convergence at Surface is:1.43° Ladder Plot , 1600- I 1 1 I19 g I 1 1 akl-Al 'at : y z •tiw `A ; 1,044 kli •y iIIyr/ 1 1' u I �-. I *. .'0,ii4 a-P .--111,t / 1 ii, S)1200- 1 ,I � 1.►'1e�1 R . ,p • �„ t, r,,1 ' ` I, O k\\ d" it < e -dw Y�. I O fff// i ell iA: 1 I io , k.-' y- C tf®M 1,q n 800_ 1 ®�r cel l iyydl �J \ i Ill �I I C 1 � I A�, Iti•}i c s. it a) S q K4 !t 1Jri :,., ;. r . . i Ili IJ Ij yllk7e.$a s �+i �� AV L1001,41 �l( i 400 -0-2-16,162-1;., ....'1:V1 I VG 02 r•,02.==v r. VO I `r. 02-23,0223,02-23V3 02-18,02- , 'le 18AV1 In- 02-070 01102-0 V5 02-23,02-23A,0223AV4 02-e -1:'-: ,02_18AP81 V2 - 02-07,t oo r A,02-07A V2 p_ 02-23,02-23PB1,0223P81$11 021;,02-1: .,02-18APB2V3 : 02-07,02-07APB",02-07APB1 V2 02-24,02-24,02-24 VI I ►r, (02-1:•-: ,02-18APB3 V2 02-07,02-07APB2,02-07APB2 V2 4E- 0224,02-24A,0224A V2 0 c, 1 : ►I- VI ► :: • 09!17.09(17 -A-- 02-75 07-25 07- 6 V1 I = 0218,02-188 304-18BPB1 V2 5uutl02-07,02-07B -07BPB1 VO lou Jo 02-25,02-25Ajl V3 15000 -6- 02-18,02-18C,02-18C VO - %Riga -0ZB P PHO n)$ 02-26,02-26,02-26 V5 -&-- 02-18,02-18CPB1,02-18CPB1 VO 02-08,02-08,02 V3 !- 02-26,02-26A,02-26AV1 -e- U4-31,UL-3L,UL-3L V 11 -8- uL-Ut3,01-U6A,UL1RtA VL "t UL-Lb,UL- 1-131,UL-Lt 'j-'til V I -d'- 02-32,02-32A,02-32AV4 02-08,02-O8APB1,02-08APB1 V1 m 02-26,02-26APB2,02-26APB2 V1 -$ 02-32,02-32APB1,02-32APB1 V2 -0-- 02-08,02-O88,02-08BV2 •-I 02-26,02-26B4O2-26B V12 -4 02-32,02-32AP82,02-32APB2 V2 02-13,02-13C,02-13C VO 02-26,02-26C,02-26C V4 43- 02-32,02-32APB3,02-32APB3 V2 -e- 02-14,02-14,02-14W 02-27,02-27,02-27 V3 02-32,02-32B4O2-328 V16 -a- 02-14,02-14A,02-14A V9 02-27,02-27A,02-27A V3 02-32,02-32C,02-32C V0 -0- 02-14,02-14B4O2-14V11P11 VO 02-28,02-28,02-28 V3 -9- 02-32,02-32CPB1,02-32CPB1 VO -X- 02-14,02-1413,02-14B VO 02-28,02-28A,02-28AV8 02-30,02-30,02-30 V3 -4.. 02-15,02-15,02-15 V2 02-28,02-28APB1,02 28APB1 V4 02-30,02-30A,02-30A V1 $ 02-15,02-15A,02-15A V1 02-33,02-33B4O2-33B VO 44- 02-30.02-3013,02-30B V3 -9- 02-15.02-15APB1.02-15APB1 V1 02-40,02-40,02-40W 7/2/2015 1:40:49PM Powe 5 at 5 COMPASS 5000.1 Build 61 • • AAmw.mm.n m WELLBORE DETAILS:Plan 02-41 NSHt4EE IITGRMAT N _//.■ Project:PrudhCeeWV ' WendtratIJ*5, Site: PB 0002 ak2r 116,10 02-41 Coar9+1e(NE)RNrao:Well N,n02-41,True Nan Welt:Plan 0241 8ereter5756eno Verbal(IN1)Refrw:02-41 Plan®11l500(P272 Nan) BAlliElt 0 bp We1h°re:Plan 02-41 01, Parent Won MD:4NO 7.15 Ma dlmarav99 S om'1'5l Referees Slot-(DmND0E1 ---__-.0.1:0¢-41 NPo8�Plal ozr,mliaal nl raax�crnoi� Ti®On MD:47.16 Measured Deco Relrriw:02.41 PW®77.150(PZI2Pen) CecubOm Meted-Mnmum Durrett MODES -- WELL DETAILS:Nan 02-41 _500- __ _ . Ground Level: 30-00 • MPS +E/-W Ea19r-0 Latitude Longier& Slot 0.00 0.00 5051161.870 1387480.200 70'16'17106N 148'29'0951W -1000- I 02411a4941 SECTION DETAILS cA0114013E7Aas Cy-1500. TO MO Norm Mee Sec MD Inc AM TVD 411S .834N Dleg Trace VSed Target 3464.18 259431 9Sr 9.525 2000 --... ----- 1 47.15 0.00 0.00 47.15 000 0.00 0.00 0.00 0.00 0466.16 0202./3 7' 7.1100024111 N. 2 300.20 0.00 250.00 300.20 0.3 0.00 0.00 250.00 0.00 13017.1513110.43 I1? 4.522 0 3 45020 1.50 260.3 60.18 -0-34 -1.93 1.00 260.00 1.31 c -_ 4 105020 16.50 260.00 1041.10 -16.59 34.10 250 0.00 63.60 02-4 72 '- 5 1740.20 19.18 201-98 170275 -139.64 -234.08 250 -110.00 241.88 +-3000 _ 6 5040.20 19.18 201.98 4819.60 -1144.95 4333.86 0.00 0.00 1310.33 0141 T3 r 7 559576 3307 201.67 5317.19 -1371.53 -730.43 2.50 -0.70 1550.66 _ -- $ 8208.03 3307 201.67 7506.35 -26064 -125683 0.00 0.00 2954.10 -350P._._._-.___- - __ V 9237.12 25.00 215.00 800583 3136.55 -118600 1.00 16.90 34492.8 02-4114 10 9287.72 2500 215.00 8152.15 3153.86 -1498.12 030 0.80 3470.36 1 .4000 - .. - 11 9607.72 2500 215.00 847028 3160.78 -150297 0.00 0.00 3478.79 .�' - '---02-41 fin, 12 9617.72 43.60 215.00 8725.24 333325 -140273 6.0 0.00 385241 -4100, 0141 Ta _-- - _ 13 977672 43.80 215.00 8840.39 3393.07 -166362 0.00 0.00 3761.91 A _ 14 10443.08 9156 216.58 907613 3879.56 -2018.25 7.50 2.06 4381.14 .32-41 T5 - 15 10653.38 9356 216.58 9063.06 -4048.10 -2143.35 0.00 0.00 670.28 - -.---__ - iir-------�___--- 16 10747.86 9000 22100 90E0.15 -4121.67 -2X1249 6.00 128.78 4663.96 1--- , 16 10808.46 8987 224.63 9060.22 -416.12 -2243.67 600 9209 4723.42 35pp-.-1'',Dz 18 11641.69 89.87 224.63 9062.15 -473.05 -2829.06 000 0.00 5535.60 e,-V.., , _alar -_ 19 11643.02 9000 224.32 906215 -4760.00 -2830.80 10.00 -582 5536.90 -- _20 11800.70 105.73 224.33 904068 4870.88 -2908.87 10.00 -1.04 5688.46 _._-- 9w _ -_-__-- - 21 11821.51 10573 224.33 9034.95 -4885.42 -295108 0.00 0.00 5706.37 I l 22 12010.09 9000 213.60 933.15 5030.00 3070.00 1000 4658 532.76 -5500-5000-4500-4003-3500-3000- 10110 4500 4000_-500 0 500 1100 1500 23 1201520 8958 213.50 903.17 5034.26 307284 103-144.21 5897.88 West( (+)(500 in) 24 1311643 8558 21350 9017.15 535254 3580.64 000 0.00 6938.56 ..____ ANNOTATIONS Ant DID MD Mnolaion 7m-C l_---508311 ::___ 30020 300.20 Sett 53111.3 Sm14 250 450.18 450.20 Stat 9uDd250 1400 / 1 M e-_2.SDTIO.110.00 -- _.- _�_- -... 170275 1740.20 St 11DLS250TF0-17402 __ .00 - - - 170275 174020 Sta1333.00hddar1740211M0 210D'BPRP 3.01,1' ___ arar4DL82301fPD�A.. -.. i _. 4819.60 504020 StatOS250TFO-070 • 5317.19 5595.76 Sta52612.271514445595.76MD 35p0 7506.35 8208.09 SIa1DLS 1.31F016.98 ^p 80013L86.007900.0C 31000L9600T809209 • 2830_ _ ;,. _ ' � i _. 6906.83 9237.72 Smt503 Mdar9237.T2 MD SVS 845215 9707.72 610620.311dd6928772 MD 55005ta15L51.00 TF0146.98 I 847028 9307.72 StartDLS6.00TF00.00 7 350..9V3 . -__.-___. , ..___-_ _ 872524 9617.72 Start 159.00h0Idot9617.72MD - 4t` , 8840.39 9776.72 Stat DlS 7.5070206,_ 4200SV 9318' 1109113L84.00/90128.78;P0)20.7; . -. __ 90761310443.3 51a5210.30 OEId610443.3MD - - r.500' .. .. --. 1 _-- -•--- -. -_ - ',poll....__----. >- 30'NeDLS7.50TF0l06 Q.N./111 It ut 90610810 3.39 StartD186.00TF012678 .<.,.- I 61 9000.1510747.86 Ster1DLS6.3TF09209 t6 4900- ,..______-1--- „-.__ �. 906022 1063.6 SlatTun0.3 i-001 55� 90621511641.3 StariD1510.3TF0-5 5300) ._.```' _. i__.-_ �.-_. 4680 810.01102-a._ 80rtty amOpg>b194.2r 9062l5 11643.02 StatIXS 10.00140-1.04 t'a I -` 405 , '3ea000 ; 904068 11800.39 SIat21.121015611800.39MD -.--- ._.. / .., _ 9024.95 11821.51 StartDLS10.00TF0-14558 d 6300' •W32 r---- - rl _. r_.. _,-`-"----- .... _ --- .-- 9C09.15 12010.09 StatDLS 10.00TF0-144.21 CM3 _ - 9008.1712015.20 Slat 1101.23tdda12015.23440 43 7400 CM2 l- ` , ------�--_ 1-_--_-_ X11 tc00"tF7Q.58I_ _ _--.--- 9017.15 1311643 TDM 13118.43 5 .0 ' � i 7 - 8111111EYP4UORla1 77000141--t--- ---- _____.___ Cae:101507-02T000000 VatdMad'Vea-Vaeon-_._ 7 8400- -_ __- - i_..__ ' 3 ;- �±4.-1-, - Dept Front To Tad I ' ..: 47.15 80000 02-41 Nc06(Plan02-41 GYDGC-SS __...__-. -_ _ _..--7.- - -.�- K41/Y 800.00 200.00 0241 41,06(Plen 0241) MD-.._ 800.00 359500 02414,08(P1an 02-41) MNDAFR4OSWDCA 0241110¢.4112 8 0241 13 021144 02 0241Tp 0841 16 I T0413116.4 38000 5100.00 02414106(1)000241) MWD 1 359500 9292.00 0241440 91E00241) NWIDAFR-448.WOCA 9800-300 0 300 600 900 1200 1500 1800 2100 2400 2700 3000 3300 3600 3900 4200 4500 4810 5100 5400 5700 6000 6300 6600 6900 7200 7300 929200 10800.00 02419908(91840241) MAD Vertical Section at 211.73°(300 ust1/in) 929200 13116.43 024144060910241j MAD4FRA18480CA IP • Reject:PBay Ann-caa.lsla+serntt406 awwa9an9 -...0..a. /gillbn Site:P5 00 02 0 Well:Plan 02-41 nm pdee MemelMD nm vaL 2500 wamuam UAW Depth Range From 47.18 TO 3650 00 .....0111.2 1111Meleg bas BAKER Centre DMInce Immo=MOW Wellbore:Ran 0241 1 Beaune Limited By.P1M02-41 1506 93 aon H Reference:PMn 0241wpp6(Pla 02-41iO4mn 02-41) !woad=aa118= PIan:02.1 wp04(Plan02411Plon02.91) 1110.3.544 14.1.411 NBLDETA0.5:Plan 0241 8602KN0ETAlb 0laetllame Sao MD 91 03 TVD 0165 002* Oleg l7am 68a1 T ce 4 SOAR 7 47.15 0.00 007 47.15 020 000 040 Om 0.00 64. 0.00 OM1 RI 70'%'17 1N'2L00* F158 44101. To MD 2 30020 0.00 25000 300.20 000 0.00 000 29200 0.00 0 1 10 m 1'690 20000 10441110 -11t: i.0 1009 WW 5 174020 1915. 20105 1150.75 .13944 -23408 290-11007 24188 /` 02-30/02-30/0230 5 504020 1915 20195 481990-114495 43986 000 0.00 131033 / �k� 47 600 1 5695.75 33.01 201ST 5311 19 131153 -73043 250 4.70165088 02-32/02-32/02-32 8 8208.03 33.01 20141 1508.35 170607 125643 000 000 2954.10 1�__� 800 1100 9 923272 2500 21500 640683.313655.149603 100 14098 344926 • 330,�. U. 4,/5 40/02-'6 1 10 928122 2500 21520 845-15-115346 140112 000 000 3470.35 I1 1 1100 1600 11 772 zs CO 01400 14.45014 410010 159291 9m 000.72..79 12103 • 02-1 1600 2200 12 772 4300 21520 812524-330325 .160273 600 000 36244 • j' 8/92-18/02-18 13 977872 4360 21500 864039 339301.154542 000 000 7891 141044348 9358 21656 907913 381970 201825 150 206 436114 2200-_..9600 15106336 9356 21858 906306 404910-214335 000 0.00 451025 R� 9000 10000 15 1014786 9000 22100 906015 412187-220249 600 128.78 463.88 140 ."--S; 5 17 1000946 8921 22421 906022 41612 .2243.81 600 9200 4723-10 y7` 10000 10300 181164199 8947 22443 9070.15 475906 282906 Om 000 54590 �'. - ,% \ ! , .I 19 1164302 90.00 224131 90..15 41600-224081 1000 482 553890 t� - - l ,f. -i,' 1 '� 10300 10600 20 1141039 10873 22433 9.068 484542 183087 1000 -104 566.48 A„ _.._- 21 116x151 05.73 22433 903495 498542 -296308 000 000 5108.30 ,2035 �,, 10000 13117 22120100 19000 213. 900915 403000 307000 1000 445.58 5892.76 -.�� 100 1C 11�) �4�11"y �7I�.:. - 031291500 ease 01359 9o99.n 00.4.14.307224 mag-14421 56188 .,j4,. .., W. 4 `sl.... 2413»613 706 21350 901114 695254 468064 000 000 698856 , , , ... umituc.. ,. , „ , 300. ..',,,'.'Cr. 1..14 .... .0 a t qgb`'.F�. ... _-.. _-- - -._._ _ a )0 10., ,- Y.. and>� A. ,. . k„,..,i1.:,.1. T , 02-30 „ ,. , 0.8102.30n 02.104,1 30 ,90 a.,b5t.ww i],.,,,..4 4. ' F, ,n�w,m430 270 10 t -- �R1��, 4 �F * .1'80 62.14 WIC. 4¢CCM ,4KV2 20 'it*k I 4, $ ! 'E14 1 1370 % azo9,0am64w ,w 1d 4,1744 729 ,1'.4 D0 a 4q�a1�" 9•,r , .r�tgi�, )'. .'sA` 33o as \ 6.@OMs149,90 . a3 `02 a .118'l�iy�. 40 - ` oaomw 4:-.-^44#4.,,,,..„,\_ s.....�:0�w : i4l 4 35 �'� -� mmw 4 80190 3 �� -- 30 ��` 00w ` 4m,e �\ i 240 100 7F � � 10 - 20 , v 2\ �a30rerex.mmerew 0.4407+630 I / / 15 ' \ \\\ \ .mm 02-44.8' tw [ 10 1,2 ,au2-,.6 4330 140 y 270ra -_..�.-- o0 x,44 ( K--' 160.._.. i� 1Vt@� 5 i I I . 0244 02-148.0.1411V0 444ii:�il& w _ 1811 "< p t�}��! � � 82.168.02-188,0wee 210 ' 15 f �� 20 -.-. \ MOM faww oz-17450-n/oz-n leo 240 v �_- 25 ;ff ,0.o ..w Azimuth from North[o]vs Centre to Centre Separation[20 usftlin] N� 30 / lip ®a,®;�„w VI SURVEY PROGRAM -..-. \ \.,.. 01.72. 22.Oa OM�mw _ - 40 O.2,141. 02.228 WI Deb:2015-07-021000000 Maids**Nim Wham 210 \.. 45 / 150 -08590xanzvv4 w Depth From Depth To Suy4P45 Toot 221 2-00101 rv5 47.15 900.00 02-41 wp06(Plan 02-41) GYPGCSS 50 800.00 2300.00 02-41 wp06(Plan 02-41) MWD 180 -�memm , 80000 389500 02.41 wp08(Plan 02-41) MWD+IFR+MS-.00A 40440.1.815‘21 3595.00 5100.00 02-41 wp0 (Plan 02-41) MWD Azimuth from North[0]vs Centre to Centre Separation[8 usft/in] 12a.02-23'a2a 3595.00 9292.00 02-41wp00(Plan 02-41) R+MSWOCA mat 0994 08.3026. 91929200 10800.00 02-41 wp06(Plan 02-41) MWD ° m rra 07 atw 44070 929200 13116.43 02-41wp08(Plan 02-41) MWD+IFR+MS-WOCA to-.re- .m->a�z31 w-a.Man.81.1. • • PrWent Prudhoe lbw __. ANTI-COWS/ON SETTINGS _ 0010814.0609. .a061910.130 /L® 0 by Site:PB DS 02 c 1.111090054 c� U Wait:Plan 0241 Imepth R o e FromMethod:MD,360.03 ToF,2(230 BAKER Depth Range From t,9 84(0.00 ..+m 9BI6L.it. 6:Cane► :100&83 'ct.t Wellbore:Pian 0241 R40alenq. Pion:02-41 wpOB(PNn 02411PN50241) 60.0.100,7rev BOm ....,e,9..,.0.,..,.,.,,,t Mon:0241 Vip00(P39n0241/Plan 0241) Ya.+ea HUGHES WBIOETA S:P1800241 sFC10:NO0p36S OI6&Lew& sec 910 Ise 98 TVD 414. +0470 OW 1Fam 05.19390 3000 1 47.15 ODD 0.00 47.15 010 006 000 0.00 0.70 469/-09 68040 69086*39 Smiling 9,708b09 Lomita& Slot 2 30320 500 25000 30020 ODD 000 000 25000 000 0.00 000 3051101510 l/4RP60 10'1117.1064 11$211.0.051W 03 ROM CAW To MD 3 45020 1.50 200.00 450.18 034 -193 1 26000 131 4 105020 1610 230 104110 -18 91 9 10 290o 000 6360 a� 5 179020 1918 20196 170275 -139854 -234.08 290-11010 24160 6 584020 9.16 20198 $3191 % 9 00 0-11493968 OD0 0 1310 33 47 600 7 '39876 3317 20187 5317 19-137193 ' 00]30.43 250 -0.301550.10 .190 8 6237.72 25.07 21500 148 3 3 13616 43663 1 090 396910 600 1100 9 923772 26.10 21500 84060615 315355-149612 000 140.00 30926 30 1100 1600 10 930772 2500 21500 041025 316016-150231 000 000 34]839 933]72 43,90 21520 8425.24 310315-16697 000 0.0034]544 170 \ 1800 2 00 12 9776.72 4360 23503 8725.24 339305-1603]3 000 0.00 376191 13 91re.72 4361 23503 601023 339311 010 009 91 220 201925 0--9600 14 1014308 9356 21668 9078.13 361356 301625 150 208 4381144 15 1065336 9358 21558 9051110 4049.10 3143.35 000 000 457028 9800 10000 15 1074766 90.00 22103 908015 412167 327349 600 128.76 467096 ��. 17 1080848 8867 22483 906.322 416612 -224367 800 92.09 472342 10000 10300 18 1184150 8967 22443 906.15 415905 29 896 000 000 553560 6 20 6 6 2 130 \ 19 11643. 00 224 90 15 478010-283031 1000 682 5538.90 I 10300 10800 20 1180039 10513 22433 904088 4870.88-2838.67 1000 -104 568.48 21116161 10573 22423 9034. 488642 -295320 000 000 5]08.31 110 � 10000 13117 22 im+sA213.110 3soani 003000 2100451ea1 16 I M 23 20 9 12 4 4x 2413116.43 8986 21310 901715 6952.54 306024 0.00 0 00 6998 56 . \, \ w � V A ��\ ` �� 02-30,0.11,112. IVO 1 1 30 �A A \�\ �� \ „ll azno:,n. w w2 '1, OM roa0B V, 1 + 10 I � \. I i I �y 'saw' 4cmm1Q4'.�sa v x711 + 98,6C 98109. zo I I f� .14 02-182P131,02,1.01V. ' �r / /�� I I /.FA��. 330- 45 QM 1124402 0.i.u"w do ,www lit 02.07.02-COffet,02.0.81V1 so i�� 30 �\ \ \8p /5000047/6. POM MAR 0207.0 1111 � \ .07 woman Mt Mew 240.. \\ ,01;°40 0 _120 A 'V \ 120 ', % /' 15 v� A 0000 w 1 \ 140 1 / / / - 50 \) •.1401. 02,14V2 w c-1- _ �.. 5 -_ _ -� .VEI \\� '�� 270 + I 90 1.14981.�>ew 10 .15,�,we�98,rwa w 210 - .17 0117 IP-V VA � • 180 -Il 180 - a9.2.03-0193 200 180 240 \ -�\ A Olt 02,1112.19. � II-- 25 25 / 120 �00�m msww 984 Azimuth from North[0]vs Centre to Centre Separation[20 usfUin] 30 62 6=2.982"0 ' 2 O9 .4 -119 004 02.22V-1 420 004x. SURVEY PROGRAM = mm.00ar.002rAw 40 W..On.98229. \ �-_. 000002-00.9813. 1010:201507.02TOD90:00 Validated:Yes Version waar284 oaaw 210� � 45 150 .6413 mnro198a6e,w Dept,Prom Dept,To Swv97/PIan Tool 66021024.982431 47.15 600.00 02-41 34p06(R000241) GY0-235C-SS 50 MN,00.244092 42 800.00 2300.00 0241wp08(Plan 02-41) MWD 180 ,ycy® amass 800.00 3595.00 O241wp08(Plan 02-41) MWD*IFR+MS-WOCA 3595.00 5100.00 0241 wp06(Ran 0241) MWD Azimuth from North[0]vs Centre to Centre Separation[8 usfUin] 3595.00 9292.00 02-41 wp06(Ran 0241) R+MS-WOCA -SAM 0450.98aty, 9292.00 10800.00 02-41 wp06(Pl450243101)1) MWD 622402-93301.02-265961 DI 093,61989012.1 929200 13118.43 02-41 wp%(Plan 0241) MWD+IFRoMS-WOCA 11!26013410.199. w '..il .98i081YeMe .__.. • • - - r'Project:Pnldhoe Bay ANn-COwEloN sef7N+a5 w.wn•oea6u 6.�A.e.-,..6r.-. 4::::t Site:P902U2 j_.- sa bp Well:Plan 02-41 I �.t050.as 1124�� BAKER Depth Renombel C100.001b 13116.49 entre Di1115190:19CA.93 uar5 0 311.930.1.4 eu 031119. Welber*:Pen 02-41 Results Reference:Mew 02-41 wp00(Reno-41/Plm02.41) 61145.•659 HUGHES Pen:0241 wp00(Pion 02411P1en0241) ww+vr.s awrws A01/Vf7riei -__________ . ._ . . 11194l0ETAILS:Pin 0241 8 nom:ms OraMMlevek 93. MD Ina Aa TVD *KR .FJW 000 Vow 98044 Ta911 30.00 I 47.15 030 000 4715 030 000 030 000 000 NIPS 3*00 0010100 EeM.+5 2.204e40e 10010430e 995 2 30030 030 25000 300.20 0.00 090 000 2.0.00 030 0.00 400 0061111.910 074000 2 70.1817.1050 145.280.56107 ROT 0.3401/ To MD a 15020 1.50 230.00 00.16 834 -103 f9 26030 131 4 175020 1610 20130 104+75 -174 81.00 20 030 4150 Q 5 570020 1918 20130 181975 1154 53926 250 1Y 030 31033 --� 6 505020 1516 20+96 16499-111055 6156 230 000+31033 i 7 5596.76 9.07 20147 531715-1371St -73041 290 6.70 166088 � 72 02_07/02-0722.462/02-0722.472 47 600 8 62369 33.07 201.57 750635.210632-+25683 000 000 2964.10 'Y1 ( 600 1100 8 8237.72 259 21600 6106.83 313636-1108.00 00 14896 34826 'S (�2 _�.�_ 10 @6)72 269 21500 846215 315358-149012 09 000347026 .NIii!t►. I 170 -,-113V. :e frt it 1ta. ' 02-07/02-07A/02-07A 1100 2200 960772 369 2159 242228.320325 160257 09 0.00 3852.79 1 9\ 12 ,mss 439 2159 674024 330315-156513 69 000 376201 i�k'0 7000 2200 13 9.46.05 9350 3159 507036 337307-201882 030 000 3751.91 �1... 1•1861t� ,0`Y 150 i' \, 2200_-- _9600 14 15 1 33388 935500 21608 91558 906318 4046 0 7813.7955 214336 000 7.50 OW 7026 )1 ice", 1�6 '1 I n f�� 1DDD0 ;6 1074786 WOO 2nno 605015 412167 32049 600 126.70 454158 11� e e �1E.ih )' -% 7 1060824 6687 22453 906022 413612 -234367 69 929 471342 �) 161'$^'� 5 NA y¢ ,00 70000 73117 221211026 9958 21350 9009.16 43030.00 30229 1000 -14421 588286 ``�� .I 331211520 5856 2139 801.17 606426 307181 +000-+602+569756 \ �.1 ,r 1t��tSya 4 � 2173116.93 8956 2139 W17u 695254 366061 01 0.161056 ,77--;ittgg"-7 9° '* '4NitINiiNU,\,11 1 1: ....„.,,,,,,,...4W N l .K 70 y\ 1, - so Ill% if" ...% +�s' 1'e r / 30 C01. M1,w zm '\�\�D'1 i i } I i 10 \ �` ��ea�®1.114 a 1\ 141 \ I 1 (• --.4411110 *Kt...1.awn,v4 R ��bil4 J l I I f 390 - - II w lr,1,� \V\\\V` 30 � � 'n 2+ � V�� '1. : 2a / / 20 ..02411.06. w 120 0.011 MOWS,0.01,111V1N ', ( / t0 w°6me`22 w 140 j� I i I / l / 5 ;.4.,04.,4401 �� 90 (1114 V� 1.585-- % � 6 .14.04,MB 02.1411V0 02.18.46415,.15 VI 10 d 70.,64, w -- - K 5..40605�, 210\ 100 i„� 160 15 4u 41 w.w � \ 20 2'1,60 02.19,02.111,4 100-- - 240 .\� ��A ` 1aw \ i 120 0071 w Azimuth from North[4]vs Centre to Centre Separation[20 usfUin] '" w w _ - -333333 33-----'----- \� \ 35 ;' 434000(02. , SURVEY PROGRAM ' ma4m.4m1w 4 40 a3270.077211170 9- (Ma OM 6.1230,13 004:2016.07-02100.0000 Validated.Yee Manion: �. - 0x3463704.0 210 45 150 46.6229*,.4056,01 Depth From Depth To SaweyiP4n Tool 50 4029094.40. 47.75 500.00 0241 wp06(Man 02-41) GYD-GC-55 42946140033 500.00 2300.00 0241wp06(Plan 02-41) MWD 180 44.4w.469V1 800.00 3595.00 02-41 wp06(Ran 02-41) MWD+IFR+MS-WOCA oxa6.e2mvaz-maw 3595 00 5100.00 02-41 wp08(Plan02-41) MWD Azimuth from North[0]vs Centre to CentreSeparation[8 usft/in] 4z 4ss.42w 3595.00 0292.00 02-41 wp06(Ran 02-41) MWD+IFR+MS-WOCA aaa.ma14x59w 9292.00 1080000 02-41 wp06(Nan 02-41) MWD 4x9..B.M..4964M.V1 929200 13116.43 02-41306(Plan 02-41) MWD+IFR+MS-W4a0a1e42evn OCA 11IMM2 at64mpaeMnl • • Davies, Stephen F (DOA) From: Thompson,Jacob <Jacob.Thompson@BP.com> Sent: Tuesday,June 30, 2015 5:41 PM To: Davies, Stephen F (DOA) Subject: RE: PBU 02-41 (PTD No. 215-113) - Question Yes. We typically keep a sufficient amount of Barite/weighting agent on location to mitigate unexpected pore pressure. Also Baraid's mud plant is quite close to DS2 so they will also be able quickly make additional fluid in a timely manner if needed. Jacob Thompson BP Alaska Rotary Drilling Engineer Cell:(907)854-4377 Office:(907)564-5579 From: Davies, Stephen F (DOA) [mailto:steve.davies@alaska.gov] Sent: Tuesday, June 30, 2015 5:33 PM To: Thompson, Jacob Subject: RE: PBU 02-41 (PTD No. 215-113) - Question Jacob, Thank you. I'll discuss this further with the drilling engineer. Another question: Will BP will have enough barite, CaCO3, or other agents on location to weight up the drilling mud sufficiently to mitigate unexpected elevated pore pressure? Thanks, Steve Davies AOGCC 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 Steve Davies at 907-793-1224 or steve.davies@alaska.gov. From: Thompson, Jacob [mailto:Jacob.Thompson@BP.com] Sent: Tuesday, June 30, 2015 5:28 PM To: Davies, Stephen F (DOA) Cc: Lastufka, Joseph N Subject: RE: PBU 02-41 (PTD No. 215-113) - Question Stephen, In our recent experience at DS2 we have not experienced any problems with wellbore stability or GCM in the CM or HRZ formations with the proposed MW range.The offset research I have done has noted that there has been GCM in the intermediate hole sections with MW from 9.7-10.8 ppg. However all of these instances were from the early life of the field in 1975-1991, and no records of GCM after that. It should also be noted that there are examples of the 1 • • intermediate hole section being drilled with a 9.8 ppg MW and no signs of instability or GCM. I believe the early instances of GCM to be related to poor tripping and connection practices where drilled/residual gas was swabbed into the well. The modern rigs that BP has contracted have surface gas detectors that will give early warning of GCM in the form of an increased gas unit reading at surface. Also the Parker 272's Amphion control system allows the driller to set the tripping speeds at precise value to ensure that the modeled swab/surge pressure are adhered to and the well is not put under balanced. In addition to the Rig site safeguards the mud program is designed to allow the MW to progressively increase throughout the interval, and if any signs of GCM are seen there is no reason the MW could not be increased. No tripping is planned with the 9.8-10.0 ppg MW reducing the probability of swabbing anything into the well. I included a comment on pg 12 of the submitted PTD addressing the risk of drilling the CM-HRZ at the lower MW in the critical issues section of the well program to raise awareness of the risk of encountering GCM. If you think this above justification is not adequate I can change the planned mud weight to offer a higher safety factor while drilling the CM formations. Please let me know if you'd like to have more discussion, or want the MW changed. Best Regards, Jacob Thompson BP Alaska Rotary Drilling Engineer Cell:(907)854-4377 Office:(907)564-5579 From: Davies, Stephen F (DOA) [mailto:steve.davies@alaska.gov] Sent: Tuesday, June 30, 2015 3:13 PM To: Thompson, Jacob Subject: PBU 02-41 (PTD No. 215-113) - Question Jacob, In this Permit to Drill application,the planned mud weight range of 9.8 to 10.0 ppg seems too light in weight to mitigate BP's most likely pressure (10.1 and 10.2 ppg EMW)while drilling the CM2 and CM1 intervals. Could you please explain BP's choice of mud weight for these intervals or provide a corrected mud program? Regards, Steve Davies Senior Petroleum Geologist Alaska Oil and Gas Conservation Commission (AOGCC) Phone: 907-793-1224 AOGCC: 907-279-1433 Fax: 907-276-7542 333 West 7th Avenue,Suite 100 Anchorage,AK 99501 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 Steve Davies at 907-793-1224 or steve.davies@alaska.gov. 2 4110 • Davies, Stephen F (DOA) From: Davies, Stephen F (DOA) Sent: Tuesday, June 30, 2015 3:13 PM To: jacob.thompson@bp.com Subject: PBU 02-41 (PTD No. 215-113) - Question Jacob, In this Permit to Drill application,the planned mud weight range of 9.8 to 10.0 ppg seems too light in weight to mitigate BP's most likely pressure (10.1 and 10.2 ppg EMW)while drilling the CM2 and CM1 intervals. Could you please explain BP's choice of mud weight for these intervals or provide a corrected mud program? Regards, Steve Davies Senior Petroleum Geologist Alaska Oil and Gas Conservation Commission (AOGCC) Phone: 907-793-1224 AOGCC: 907-279-1433 Fax: 907-276-7542 333 West 7th Avenue,Suite 100 Anchorage,AK 99501 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 Steve Davies at 907-793-1224 or steve.davies@alaska.gov. 1 • • 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. O • TRANSMITTAL LETTER CHECKLIST WELL NAME: �)Z PTD: '��/S//3 /Development Service Exploratory Stratigraphic Test Non-Conventional FIELD: I 16'L. POOL: ut t Check Box for Appropriate Letter/Paragraphs to be Included in Transmittal Letter CHECK OPTIONS TEXT FOR APPROVAL LETTER MULTI The permit is for a new wellbore segment of existing well Permit LATERAL No. , API No. 50- - - - (If last two digits Production should continue to be reported as a function of the original in API number are API number stated above. between 60-69) 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 Pilot Hole name ( 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 conservation Spacing Exception 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. 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