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214-073
Operator Name:2. Development Exploratory Service 5 Permit to Drill Number:214-073 6.50-029-23514-00-00 PRUDHOE BAY, PRUDHOE OIL Hilcorp North Slope, LLC 5. Well Name and Number:8. 10.Field/Pools: Well Class Before Work4. Present Well Condition Summary:11. Total Depth: measured feet feet Plugs measured feet feet Effective Depth: measured feet feet Packer measured feet feettrue vertical true vertical 20280 20192 9047 15084 none none 8626 Casing: Length: Size: MD: TVD: Burst: Collapse: Structural Conductor 80 20" 41 - 121 41 - 121 Surface 4558 9-5/8" 40 - 4598 40 - 3068 5750 3090 Intermediate 15347 7" 38 - 15385 38 - 8898 7240 5410 Production Perforation Depth: Measured depth: 15518 - 20185 feet True vertical depth:9013 - 9048 feet Tubing (size, grade, measured and true vertical depth)4-1/2" 12.6# 13Cr80 35 - 15207 35 - 8738 15084 8626Packers and SSSV (type, measured and true vertical depth) 4-1/2" HES TNT Perm Packer Liner 5099 4-1/2" 15179 - 20278 8712 - 9041 8430 7500 12. Stimulation or cement squeeze summary: Intervals treated (measured): Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure 2251120480158 10341343 1115 630 1012 222 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: Noel Nocas Noel.Nocas@hilcorp.com Authorized Name:Stan Golis Authorized Title: Authorized Signature with Date:Contact Phone:907-564-5278 Treatment descriptions including volumes used and final pressure: 13. Operations Manager Operations Performed1. Abandon Plug Perforations Fracture Stimulate Pull Tubing GSTOR WINJ WAG GINJ SUSP SPLUG 16. Well Status after work:Oil 5 Gas Exploratory Development 5 Stratigraphic 15. Well Class after work: Service WDSPL 14. Attachments: (required per 20 AAC 25.070.25.071, & 25.283) Daily Report of Well Operations Copies of Logs and Surveys Run true vertical measured9041 Sundry Number or N/A if C.O. Exempt: 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: 3800 Centerpoint Dr, Suite 1400, Anchorage, AK 99503 7.Property Designation (Lease Number):ADL 047471 & 028287 PBU Y-39 9. Logs (List logs and submit electronic and printed data per 20AAC25.071): Stratigraphic Other: API Number: Form 10-404 Revised 03/2020 Submit Within 30 days of Operations By Jody Colombie at 9:33 am, Jul 23, 2020 Digitally signed by Stan Golis DN: cn=Stan Golis, ou=Users Date: 2020.07.23 08:58:26 - 08'00' Stan Golis RBDMS HEW 7/23/2020 DSR-7/23/2020 SFD 7/28/2020MGR30JUL2020 ACTIVITYDATE SUMMARY 7/6/2020 T/I/O= 1220/1240/320. LRS Unit 72. Assist Slickline to clear hydrates (PERFORATING). Pumped 1 bbl of 50/50 Meoh and 180 bbls of 180* F crude into the TBG. Final T/I/O= 300/1590/340. 7/6/2020 ***WELL FLOWING ON ARRIVAL*** (e-line drift) RIH w/ 25' x 3.16" DUMMY GUNS, RUN INTO HYDRATES / PARAFFIN @ 1,537' SLM. LRS PUMPED 180 bbls CRUDE HOT. DRIFTED w/ 3.25" G-RING TO 5,000' SLM. DRIFTED w/ 25' x 3.16" DUMMY GUNS, S/D IN DOGLEG @ 15,753' SLM. (note: bobble from 11,500' 11,575' slm) ***JOB COMPLETE, WELL LEFT S/I*** 7/8/2020 ***WELL SHUT IN ON ARRIVAL*** (PERF) ATTEMPT TO PERFORATE 15,518' - 15,543'. TOOLSTRING SHORT DURING WEIGHT CHECK AT 12,000' ***CONTINUED ON 08-JUL-2020*** 7/9/2020 ***WELL SHUT IN ON ARRIVAL*** (PERF JOB CONTINUED FROM 08JUL20 WSR) PERFORATE FROM 15518' - 15543' WITH 2.875" 6SPF 60PHASE HSC WITH MAXFORCE CHARGES ***JOB COMPLETE. WELL SHUT IN ON DEPARTURE. NOTIFIED PAD OP TO POP*** Daily Report of Well Operations PBU Y-39 Operator Name:2. Development Exploratory Service 5 Permit to Drill Number:214-073 6.50-029-23514-00-00 PRUDHOE BAY, PRUDHOE OIL Hilcorp North Slope, LLC 5. Well Name and Number:8. 10.Field/Pools: Well Class Before Work4. Present Well Condition Summary:11. Total Depth: measured feet feet Plugs measured feet feet Effective Depth: measured feet feet Packer measured feet feettrue vertical true vertical 20280 20192 9047 15084 None None 8626 Casing: Length: Size: MD: TVD: Burst: Collapse: Structural Conductor 80 20" 41 - 121 41 - 121 Surface 4558 9-5/8" 40 - 4598 40 - 3068 5750 3090 Intermediate 15347 7" 38 - 15385 38 - 8898 7240 5410 Production Perforation Depth: Measured depth: 15518 - 20185 feet True vertical depth:9013 - 9048 feet Tubing (size, grade, measured and true vertical depth)4-1/2" 12.6# 13Cr80 35 - 15207 35 - 8738 15084 8626Packers and SSSV (type, measured and true vertical depth) 4-1/2" HES TNT Perm Packer Liner 5099 4-1/2" 15179 - 20278 8712 - 9041 8430 7500 12. Stimulation or cement squeeze summary: Intervals treated (measured): N/A Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure 2441150438361 8231178 1203 877 737 239 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: Noel Nocas Noel.Nocas@hilcorp.com Authorized Name:Stan Golis Authorized Title: Authorized Signature with Date:Contact Phone:907.564.5278 Treatment descriptions including volumes used and final pressure: 13. Sr. Area Operations Manager Operations Performed1. Abandon Plug Perforations Fracture Stimulate Pull Tubing GSTOR WINJ WAG GINJ SUSP SPLUG 16. Well Status after work:Oil 5 Gas Exploratory Development 5 Stratigraphic 15. Well Class after work: Service WDSPL 14. Attachments: (required per 20 AAC 25.070.25.071, & 25.283) Daily Report of Well Operations Copies of Logs and Surveys Run true vertical measured9041 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 N/A Senior Pet Engineer:Senior Res. Engineer: STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION REPORT OF SUNDRY WELL OPERATIONS Suspend 5Perforate Other Stimulate Alter Casing Plug for Redrill Perforate New Pool Repair Well Re-enter Susp Well 3.Address: 3800 Centerpoint Dr, Suite 1400, Anchorage, AK 99503 7.Property Designation (Lease Number):ADL 0028287, ADL 0047471 PBU Y-39 9. Logs (List logs and submit electronic and printed data per 20AAC25.071): Stratigraphic Other: API Number: Form 10-404 Revised 03/2020 Submit Within 30 days of Operations By Meredith Guhl at 10:32 am, May 17, 2021 Digitally signed by Stan Golis (880) DN: cn=Stan Golis (880), ou=Users Date: 2021.05.16 03:39:46 -08'00' Stan Golis (880) DSR-5/17/21MGR26JUL2021 RBDMS HEW 5/17/2021 SFD 5/21/2021 ACTIVITY DATE SUMMARY 5/11/2021 ***WELL FLOWING ON ARRIVAL*** (adperf) RIH W/ PERF GUNS. ISSUES FALLING PASS 3000', ADDED WEIGHT ADD ROLLERS WITH NO SUCCESS, PUMP 65 BBLS OF HOT CRUDE DOWN TBG LET SOAK 15 MIN, RIH WITH NO MORE ISSUES PERFORATE INTERVAL: 15558' - 15570', CCL TO TOP SHOT = 11.3', CCL STOP DEPTH = 15,546.7' ***WELL SI ON DEPARTURE / OPS TO POP*** 5/11/2021 Assist Eline (PERFORATING) Pumped 79 bbls 180* crude down Tbg to clean out suspected parafin. ELine in control of well per LRS departure. IA,OA=OTG Daily Report of Well Operations PBU Y-39 Carlisle, Samantha J (CED) From: Sent: To: Colombie, Jody J (CED) Monday, August 5, 2019 9:36 AM Carlisle, Samantha J (CED) Subject: FW: Y-39 Sundry PTD #214073 Please cancel this sundry. Thank you SU 1PYA J J From: Rixse, Melvin G (CED) <melvin.rixse@alaska.gov> Sent: Friday, August 2, 2019 10:51 AM To: Worthington, Aras J <Aras.Worthington@bp.com>; Colombie, Jody J (CED) <jody.colombie@alaska.gov> Cc: Lastufka, Joseph N <Joseph.Lastufka@bp.com> Subject: Re: Y-39 Sundry PTD #214073 Okay. Mel Rixse On Aug 2, 2019, at 12:32 PM, Worthington, Aras J <Aras.Worthington@bp.com> wrote: Hi Mel, I recently submitted a Sundry application for an OA Well Lock squeeze on this well. As it turns out we have concluded that the OA re -pressurization that was observed was due to thermal effects. So the well has gone back to Operable status. Please cancel this Sundry application. Thanks, Aras Worthington Well Interventions & Integrity Engineer BP Alaska Inc.RBDMSI AUG 0 2019 Office: (907) 564-4102 5 Cell: (907) 440-7692 THE STATE °fALASKA GOVERNOR MIKE DUNLEAVY Aras Worthington Interventions and Integrity Engineer BP Exploration (Alaska), Inc. P.O. Box 196612 Anchorage, AK 99519-6612 Re: Prudhoe Bay Field, Prudhoe Oil Pool, PBU Y-39 Permit to Drill Number: 214-073 Sundry Number: 319-357 Dear Mr. Worthington: Alaska Oil and Gas Conservation Commission 333 West Seventh Avenue Anchorage, Alaska 99501-3572 Main: 907279.1433 Fax: 907.276.7542 www. aogcc.alaska.gov Enclosed is the approved application for the sundry approval relating to the above referenced well. Please note the conditions of approval set out in the enclosed form. As provided in AS 31.05.080, within 20 days after written notice of this decision, or such further time as the AOGCC grants for good cause shown, a person affected by it may file with the AOGCC an application for reconsideration. A request for reconsideration is considered timely if it is received by 4:30 PM on the 23rd day following the date of this letter, or the next working day if the 23rd day falls on a holiday or weekend. Sincerely, Jessie L. Chmielowski Commissioner DATED this 31 day of July, 2019. RSMSI6/AUG 0 12019 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION APPLICATION FOR SUNDRY APPROVALS 20 AAC 25.280 uI VCu JUL 19 3,- 1 . / 1. Type of Request: Abandon ❑ Plug Perforations ❑ Fracture Stimulate ❑ Repair Well 0 Operations shutdowriE] Suspend ❑ Perforate ❑ Other Stimulate ❑ Pull Tubing ❑ Change Approved Program ❑ Plug for Rednll ❑ Perforate New Pool ❑ Re-enter Susp Well ❑ Alter Casing ❑ Other OA WellLock Squeeze 0 2. Operator Name: BP Exploration (Alaska), Inc 4. Current Well Class: Exploratory ❑ Development p 5. Permit to Drill Number: 214-073 3. Address: P.O. Box 196612 Anchorage, AK 99519-6612Stretigraphic ❑ Service ❑ 6. API Number: 50-029-23514-00-00 ' 7. If perforating: What Regulation or Conservation Order governs well spacing in this pool? 8. Well Name and Number: Will planned perforations require a spacing exception? Yes ❑ No m PBU Y-39 r 9. Property Designation (Lease Number): 10. Field/Pools: ADL 028287 & 047471 PRUDHOE BAY. PRUDHOE OIL 11. PRESENT WELL CONDITION SUMMARY Total Depth MD (ft): Total Depth TVD(ft): Effective Depth MD: Effective Depth TVD: MPSP (psi)' Plugs (MD): Junk (MD): 20280 9041 20192 9048 None None Casing Length Size MD ND Burst Collapse Structural Conductor 80 20" 41 -121 41-121 Surface 4558 9-5/8" 40-4598 40 -3068 5750 3090 Intermediate 1 15347 1 7" 38-15385 38-8898 7240 5410 Production Liner 1 5099 4-1/2" 15179 - 20278 8712-9041 1 8430 1 7500 Perforation Depth MD (ft): Perforation Depth TVD (ft): Tubing Size: Tubing Grade: Tubing MD (ft): 1 16465-2018 9053-9 4-1/2" 12.6# 13Cr80 35-15207 Packers and SSSV Type: 412" HES TNT Penn Packer Packers and SSSV MD (ft) and TVD (ft): 15084 / 8626 No SSSV Installed No SSSV Installed 12. Attachments: Proposal Summary 0 Wellbore Schematic El 13. Well Class after proposed work: Detailed Operations Program ❑ BOP Sketch ❑ Exploratory ❑ Stratigraphic ❑ Development 0 Service ❑ 14. Estimated Date for Commencing Operations: Auqust 10. 2019 15. Well Status after proposed work: Oil RI WINJ ❑ WDSPL ❑ Suspended ❑ 16. Verbal Approval: Date: GAS ❑ WAG ❑ GSTOR ❑ SPLUG ❑ Commission Representative: GINJ ❑ Op Shutdown ❑ Abandoned ❑ 17. 1 hereby certify that the foregoing is true and the procedure approved herein will not Contact Name: Worthington, Area J be deviated from without prior written approval. Contact Email: Aras.WorthingtonQbp.com Authorized Name: Worthington, Area J Contact Phone: +1 907 564 4102 Authorized Title: InterveoWns & Integrity En ineer Authorized Signature: Date: COMMISSION USE ONLY Conditions of approval: Notify Commission so that a representative may witness Sundry Number: 31q- 35� Plug Integrity, ❑ BOP Test ❑ Mechanical Integrity Test ❑ Location Clearance ❑ Other: Post Initial Injection MIT Req'd? Yes ❑ No 0MCIMS-66✓Aw o 12019 Spacing Exception Required? Yes ❑ No OC Subsequent Form Required: /o-* y APPROVEDBYTHE Approved by: �_. COMMISSIONER COMMISSION Date: li Form 10-403 Revised 04/2017 ORIGINAL Approved application is valid for 12 months from the date of approval. %, 44" Form and Attachments in Duplicate q)p� B �H30111 Y-39 OA WellLock Squeeze Well Interventions Engineer: Aras Worthington (907) 440-7692 Pad Engineer: Jordan Haffener (907) 564-5383 Expected Start Date: August 10, 2019 Well: Y-39 History Y-39 is a grassroots producer drilled in 2015 targeting a periphery zone in the extreme south of Y -Pad. A cement OA downsqueeze in May 2015 and well lock OA down squeeze in June 2015 were necessary to fix rapid OA repressurization. Recently, while attempting to clear a paraffin tubing obstruction, the cemented OA began exhibiting rapid repressurization and was placed under eval. After the well was POPd and SI to clear the tubing obstruction, the OA rapidly repressurized again. A PPPOT-IC was performed and passed, ruling out wellhead communication. Current Status The well is currently Under -Evaluation and will be most likely be classified as "Not -Operable" by BP. Objective Squeeze the cemented OA and any micro -annuli with Well Lock to seal off the OA re - pressurization. Procedure 1. ND OA Gate Valve, NU OA Integral. 2. Bleed Annuli, Prep OA, Well Lock OA top job squeeze to 3500 psi per RPs. 3. ND OA Integral, NU OA Gate Valve 4. POP Under -Evaluation and monitor OA for pressure build-up. TFC = 4-1116' CNP WELLHEAD = ACTUATOR= BAI OKR AB/ = KkW 4798 Max Angle=_ 114'Q 1616T Datum MD= 15374' Datum ND= 8600' SS = 19.124' Minimum ID = 3.725" @ 15189' 4-112" HES XN NIPPLE TOPOFCBMW13662' D = 3.958' 7' CSG, 26#, L-80 VAM TOP HC, 0363 bpf, D = 6 276' 4-1/2' LW 13.5#, 13CR-80 HYDRL 521, .0150 bpf, D = 3.958' Y-39 MAX DOGLEG: 16.3° Q WELLAf8 0- 701 15605' r4514' 9-5/8' TAM PORT COLLA R 2506' 4-1/2' FES X NP, D = 3.813- GAS LIFT M1AN]RELS ST PERFORATION SU AKRY DEV Rff LOG. MMD ON 0821/14 VLV ANGLE AT TOP PEW 101° @ 16465' Nota: Refer b Roductcn OB for hsODncal perf date SIZE SPF MERVAL Opn/Sgz SHOT I SOZ 4-17 6 16185- 16800 O 08/25/14 63 4-17 6 16930-17750 O 08/25/14 6 4-17 6 19610 - 19850 O 0825/14 0 4-17 6 20055 - 20185 0 0825/14 DOME 4-1/2' LW 13.5#, 13CR-80 HYDRL 521, .0150 bpf, D = 3.958' Y-39 MAX DOGLEG: 16.3° Q WELLAf8 0- 701 15605' r4514' 9-5/8' TAM PORT COLLA R 2506' 4-1/2' FES X NP, D = 3.813- GAS LIFT M1AN]RELS ST MD TVD DEV TYPE VLV LATCH PORT DATE 8 5527 3504 64 KGB2 DOME BK 16 09112115 7 8923 4997 63 KG64 DOME BK 16 09/12/15 6 10950 5898 64 KG64 OW BK 0 09/12/15 5 12191 6447 63 KG84 DOME BK 16 09/12115 4 13223 6988 45 KGB4 DMY BK 0 08124/14 3 13837 7493 26 KGB4 DOME BK 16 09112/15 2 14370 7975 25 KGB4 DW BK 0 08/24114 1 14693 8269 24 KGB4 SO BK 24 09/12/15 NES x W ID "-813- SGM.NOPC CA SNGLE DROP IRE GAUGE, D = 3.813' 112' H$ TNT PKI D = 3.856' FESX NP, D=3.813' FES XN NP, D = 3.725' BKR PRO -E ZXP LTP w / TEBK, D = 4.34' AMD TT NOT LOGG® 15225' 7- X 5.OG BKR FLET( LOCK w/RA TAG D = 4.32' 2 PR DHDE BAY LNT VBAL Y-39 PERMT W: 02140730 ARW: 50-029-23514-00 SEC; 34, T11N, R13F, 1222' FN- 8 685' FWL DATE REV BY COM.BdTS DATE TEV BY OOM68JTS 08127/14 014 INTIAL COMPLETUM 0923/14 TJ/RIC FNAL OOE APPROVAL 09A2/14 PJC EOW OORR€CIIONS 01/05/15 JLS/JMD GLV C/O (12126114) 09103/14 PJC DRLGORAFrcoRRECTDNS 06/19/15 SJWJJMC CEM04TM OA TO SUFFACE(515/15) 09M14 PJC LN2 CORla9CnDNS 09/14/15 JM.NJMD GLV CIO (09112115) 09/12/14 PJC CONDUCTOR NFORMATION BP EXploration (Alaska) 09/12/14 PJC 4-17 LNR CCIFfal'TIDN 2 STATE OF ALASKA • ALASKA OIL AND GAS CONSERVATION COMM, Al REPORT OF SUNDRY WELL OPERATIONS 1. Operations Performed Abandon 0 Plug Perforations 0 Fracture Stimulate 0 Pull Tubing 0 Operations shutdown 0 Suspend 0 Perforate 0 Other Stimulate 0 Alter Casing 0 Change Approved Program 0 Plug for Redrill 0 Perforate New Pool 0 Repair Well 0 Re-enter Susp Well 0 Other:Wellock Treatment 2. Operator Name' BP Exploration(Alaska),Inc 4. Well Class Before Work 5. Permit to Drill Number: 214-073 3. Address: P.O.Box 196612 Anchorage, Development m Exploratory 0 AK 99519-6612 Stratigraphic 0 Service ❑ 6. API Number: 50-029-23514-00-00 7. Property Designation(Lease Number): ADL 0047471 8. Well Name and Number PBU Y-39 9. Logs(List logs and submit electronic and printed data per 20AAC25.071): 10. Field/Pools: PRUDHOE BAY,PRUDHOE OIL 'a `r I V E D 11 Present Well Condition Summary: t I 4 Total Depth: measured 20280 feet Plugs measured None feet I U L 1. 2015 true vertical 9041 feet Junkmeasured None feet Effective Depth: measured 20192 feet Packer measured See Attachment feetA OU true vertical 9048 feet Packer true vertical See Attachment feet Casing: Length: Size: MD: TVD: Burst' Collapse. Structural Conductor 79 20"91.5#A-53 40-119 40-119 1533 515 Surface 4558 9-5/8"40#L-80 40-4598 40-3068 5750 3090 Intermediate Production 15347 7"26#L-80 38-15385 38-8898 7240 5410 Liner 5099 4-1/2"12.6#13Cr8 15179-20278 8712-9041 8430 7500 Perforation Depth: Measured depth: 16465-16800 feet 16930-17750 feet 19610-19850 feet 20055-20185 feet True vertical depth: 9053-9032 feet 9032-9061 feet 9054-9060 feet 9059-9048 feet Tubing(size,grade,measured and true vertical depth) 4-1/2"12.6#13Cr8 36-15207 36-8738 Packers and SSSV(type,measured and See Attachment See Attachment See Attachment true vertical depth) 12.Stimulation or cement squeeze summary: Intervals treated(measured): 40'-4598' SCA$ ED Treatment descriptions including volumes used and final pressure: 6.5 GALS WELLOCK 13. Representative Daily Average Production or Infection Data Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure Prior to well operation: 1804 944 412 1194 252 Subsequent to operation: 2064 1106 472 1241 254 14.Attachments.(required per 20 AAC 25 070 25 071,&25 283) 15.Well Class after work: Daily Report of Well Operations 0 Exploratory 0 Development m Service 0 Stratigraphic 0 Copies of Logs and Surveys Run 0 16 Well Status after work: Oil H Gas 0 WDSPL 0 Printed and Electronic Fracture Stimulation Data 0 GSTOR ❑ WINJ 0 WAG 0 GINJ 0 SUSP 0 SPLUG 0 17.I hereby certify that the foregoing is true and correct to the best of my knowledge. Sundry Number or N/A if C.O.Exempt: 315-314 Contact Summerhays,Nita M(W SRO Technologies)) Email Nita.Summerhays@bp com Printed Name Summerh' ,/ / _.j = M IPRO TechnoTitle Petrotechnical Data Manager - .:s-,A� , �j— Phone +1 907 564-4035 Date 07/14/2015 Daily Report of Well Operations PBU Y-39 ACTIVITYDATE SUMMARY T/I/O = 1980/670/760. Temp= SI. Bleed IA&OAP to 0 psi (Pre wellock). OA companion valve installed. IA FL @ 10950'(Sta#6, SO). AL SI @ casing valve, ALP= 1940 psi. AL casing valve was frosted, leaking by. Operator bled AL to 0 psi. Bled IAP from 670 psi to 0 psi in 3 hrs 50 min. Bled OAP from 760 psi to 5 psi in 6 hrs 5 min holding open bleed. IAP and IA FL unchanged. OAP increased 515 psi in 30 min. Job complete. See log for details. Final WHPs= 1960/0/515. 5/29/2015 SV, WV, SSV= C. MV= 0. IA/OA=OTG 1720 T/I/O= SSV/30/540. Temp=S1. Bleed IAP &OAP to 0 psi (Pre Wellock). GLTL is connected, SI @ casing valve. GLTP=O+. Bled OAP to 0 psi in <1 min. Held open bleed on OA during IA RU (15 min). Bled IAP to 0 psi in 2 1/2 hrs. Bled OAP to 0 psi<1 min. Monitor WHPs for 30 min. IAP unchanged. OAP increased 450 psi. Job complete. Final WHPs=SSV/0/450. 6/1/2015 SV,WV,SSV=Closed. MV=Open. IA,OA=OTG. (1345 hrs) T/I/O= SSV/30/500. Temp=SI. Bleed IAP&OAP to 0 psi and hold open bleed (Pre Wellock). AL SI @ casing valve. ALP=O psi. Bled OAP to 0 psi in 10 seconds, and continued open bleed. Bled IAP to 0 psi in 2 hrs and continued open bleed. 6/3/2015 **WSR continued on 6-4-15** ***WSR continued from 6-4-2015*** Continued holding open bleed on IA&OA for 16 hrs. SI for 1 hour OA BUR, OA increased 66 psi, bled back to 0 psi in 10 seconds. Rigged down down for shift change. Final WHPs= SSV/0/20. 6/4/2015 SV, WV, SSV= C. MV= O. IA, OA= OTG. 1645 hrs. T/I/O = SSV/0+/220. Temp=SI. Bleed IAP&OAP to 0 psi and hold open bleed (Pre Wellock). AL SI @ casing valve. ALP=0 psi. IAP increased 3 psi, OAP increased 200 psi since 16:45. Bled OAP from 220 psi to 0 psi in 10 seconds&continued open bleed. Bled IAP from 3 psi to 0 psi in 1 min &continued open bleed. ***WSR continued on 6/5/15*** 6/4/2015 T/I/O = SSV/5/240. Temp=SI. Bleed IAP&OAP to 0 psi and hold open bleed(Pre Wellock).AL SI @ casing valve. ALP=0 psi. IAP increased 5 psi, OAP increased 150 psi since 04:30. Bled OAP from 240 psi to 0 psi in 10 seconds&continued open bleed. Bled IAP from 5 psi to 0 psi in 5 min& continued open bleed. ***WSR continued on 6/6/15*** 6/5/2015 ***WSR continued from 6/4/15***. Bleed IAP &OAP to 0 psi and hold open bleed (Pre Wellock). Continue open bleed on IA&OA. Held open bleed on IA&OA for 8.5 hrs. Monitor 30 min. IAP unchanged, OAP increased 90 psi. Final WHP's= SSV/0/90. 6/5/2015 SV, WV, SSV= C. MV= O. IA, OA= OTG. 0430. ***WSR continued from 6/5/15***. Bleed IAP &OAP to 0 psi and hold open bleed (Pre Wellock). Continue open bleed on IA&OA. 6/6/2015 ***WSR continued on 6/7/15***. ***WSR continued from 6/6/15***. Bleed IAP &OAP to 0 psi and hold open bleed (Pre Wellock). Continue open bleed on IA&OA. 6/7/2015 ***WSR continued on 6/8/15***. ***WSR continued from 6/7/15***. Bleed IAP&OAP to 0 psi and hold open bleed (Pre Wellock). Continue open bleed on IA&OA. 6/8/2015 ***WSR continued on 6/9/15***. ***WSR continued from 6/8/15***. Bleed IAP&OAP to 0 psi and hold open bleed (Pre Wellock). Continue open bleed on IA&OA. 6/9/2015 ***WSR continued on 6/10/15*** ***WSR continued from 6/9/15*** Bleed IAP&OAP to 0 psi and hold open bleed (Pre Wellock). 6/10/2015 Continue open bleed on IA&OA. Continued on WSR 6-11-15 6/11/2015 Daily Report of Well Operations PBU Y-39 T/I/O=SI/0/0. Removed comp. OA valve DHD to pump wellLock. Installed comp. OA valve and VR 6/11/2015 plug. Torqued and Pt'd valve. Pulled VR plug. T/I/O = 1850/0/0. Temp= SI. Treat cemented OA w/WeIlLock. AL SI @ casing valve, ALP = 0 psi. Open bleed on OA companion. Pulled OA casing valve and strapped TOC in OA @ 6". Ran hose to TOC and pumped 4 gallons wellock taking 2 gallon returns until clean wellock returns. Re- installed OA casing valve and used another 1.5 gallons wellock to pressure OA to 2500 psi and 1 gallon squeezing wellock for 3 hours at 2500 psi. Bled OA to 1200 psi and purged across OA with N2 @ 1500 psi to clear casing valves. Installed N2 cap @ 1500 psi. Tags hung. Grease crew 6/11/2015 serviced both OA casing valves. See log for details. Job continues on WSR dated 6-12-15. T/I/O= 1850/6/1174. Temp= SI. WHP's (Post Wellock). AL SI @ casing (0 psi). Wellhead temp = 99°. Heater installed in wellhouse&doors open. Bled tree cap to 0 psi. 6/12/2015 SV, WV= C. SSV, MV= 0. IA, OA=OTG. 0800. T/I/O= 1850/9/1060. Temp= SI. WHPs(post Wellock). AL SI @ casing valve (0 psi). Heater installed and working properly. IAP increased 9 psi, OAP decreased 135 psi from 0530. 6/12/2015 SV, WV= C. SSV, MV= 0. IA, OA=OTG. 1600. ***WSR continued from 6/11/15*** Treat cemented OA w/WeIlLock. Monitored well for WHPs& tempature every hr. Bled OAP from 1280 psi to 1200 psi. Monitored for 1 hr. OAP decreased 5 psi. Heater trunk in wellhouse at the 6 o'clock position, wellhouse doors are open. Bled tree cap pressure to 0 psi. Job complete. Final WHPs= 1850/0/1195. 6/12/2015 SV, WV= C. SSV, MV= 0. IA, OA=OTG. 0530 hrs. T/I/O= 1850/9/810. Temp= SI. WHPs(post Wellock). AL SI @ casing valve (0 psi). Heater installed and not working properly. OAP decreased 250 psi since 16:00 hrs on 06/12/2015. Re-set heater, heater working properly upon departure. WH temp=62° @ the 6 & 12 o'clock position's. SV, WV=C. SSV, MV=0. IA, OA=OTG. 14:45. 6/13/2015 T/I/O= 1850/21/900. Temp= SI. WHP's(Post Wellock). AL SI @ casing (0 psi). Wellhead temp = 116°. IAP increased 12 psi, OAP increased 90 psi overnight. Heater installed in wellhouse& doors open. Bled tree cap to 0 psi. SV, WV= C. SSV, MV=0. IA, OA= OTG. 1130. 6/14/2015 T/I/O=1830/30/740. Temp= SI. WHPs (eval Welllock). AL casing SI @ 0 psi. Wellhead temp= 70*. IAP increased 9 psi&OAP decreased 160 psi overnight. Adjusted heater closer to Wellhead. Heater working properly. Bled tree cap. 6/15/2015 SV, WV= C. SSV, MV= 0. IA, OA=OTG. NOVP. 1450. T/I/O= 1820/52/800. Temp= SI. WHPs (eval Wellock). AL casing SI @ 47 psi. IAP increased 22 psi &OAP increased 60 psi from 6/15/15. Heater working properly. Bled tree cap. SV, WV= C. SSV, MV=0. IA, OA= OTG. 1200. 6/18/2015 T/I/0=270/1220/770. Temp=68*. WHP's. (Post wellock treatment). ALP @ 1220 psi&open to well. TP decreased 1580 psi, IAP increased 1168 psi &OAP decreased 30 psi in 2 days. Last monitor well was SI, well is now online. 6/20/2015 SV=C. WV, MV& SSV=O. IA&OA= OTG. NOVP. 22:10. Fluids Summary GALS Type 6.5 WELLOCK 6.5 Total Packers and SSV's Attachment PBU Y-39 SW Name Type MD TVD Depscription Y-39 PACKER 15084 8625.82 4-1/2" HES TNT Perm Packer Y-39 PACKER 15201 8732.35 5" Baker ZXP Top Packer TREE= 4-1/16"CMI i VYB_LFEAD= RAC S .Y NOTES: WELL ANGLE>70•@ 15805'•" ACTUATOR= BAKERC MAX DOGLEG:18.3• 15850'•" OIB.�= 882 `�y 8F.BEV= 50.7' w i w�r 814' I--�9-519*TAM PORI COLLAR KOP= 4596' *J .11 `I• Mux Angle= 114'016161' �� % s 2606• H4-1/2'FIE.S X M',D=3.813 Dadra MD= 15374 4j I� ' `i Dadra TVD= 8800'SS �* i� • `j. GAS LFT M I S 20"NSU LIED CON3UCTOR —I 119' 'AI �! ST MD TVD OE/ TYPE VLV LATCH PORT DATE 91.51,A-53,D=19.124' 8 5527 3504 64 KGB2 DOME BK 16 1226/14 7 8923 4997 63 KGB4 LIMY BK 0 0824/14 9-5/8'CSG,40rt,L-80 BTC 0=8.835' H 4598' 6 10950 5896 64 KGB4 SO BK 20 1226/14 5 12191 6447 63 KGB4 DAY BK 0 08/24/14 Minimum ID=3.725" @ 15189' 4 13223 6968 45 KG84 CRAY BK 0 0824/14 4-1/2" HES XN NIPPLE 3 13837 7493 26 KGB4 DMY BK 0 08/24/14 2 14370 7975 25 KG84 OW BK 0 08/24/14 (7OPOF CEMENT H 1389z . VI1 14693,8269 24 KG84 DW BK 0 0824/14 I ►i1 ii ..e` 1901r4-1/TFES XPP,0=3.813' A c I� Cil C. %21 15047' H4-12'SGM-PDPG-CA SNGLE DROP to, I►#� II SAPFFRE GAUGE 0=3.813' ► ►.i . �� >��" 15084• J-1 r x 4-I/T FES TNT P(R 0=3.856' 4i •; Wallace, Chris D (DOA) From: AK, D&C Well Integrity Coordinator <AKDCWellIntegrityCoordinator@bp.com> Sent: Sunday, July 12, 2015 8:49 PM To: AK, OPS GC1 OSM; AK, OPS GC1 Field O&M IL; AK, OPS GC1 Wellpad Lead; AK, OPS Prod Controllers; Cismoski, Doug A; Daniel, Ryan; AK, D&C Well Services Operations Team Lead;AK, D&C Wireline Operations Team Lead;AK, RES GPB West Wells Opt Engr; AK, RES GPB East Wells Opt Engr;AK, OPS Well Pad YP; Odom, Kristine; 'chris.wallace@alaska.gov' Cc: AK, D&C DHD Well Integrity Engineer; AK, D&C Well Integrity Coordinator; AK, D&C Projects Well Integrity Engineer; AK, OPS FF Well Ops Comp Rep; Sternicki, Oliver R; Regg, James B (DOA); Pettus, Whitney;Worthington, Aras J; Sayers, Jessica; Pettus, Whitney Subject: OPERABLE: Producer Y-39 (PTD #2140730) Outer Annulus Pressure Buildup Rate Mitigated Attachments: image001jpg; image002.png; image003.png; Producer Y-39 (PTD#2140730) TIO Plot.docx All, Producer Y-39 (PTD#2140730) was recently treated with Well-lock following a cement down squeeze in order to mitigate the outer annulus pressure buildup rate.The well, which has been on production and monitored in excess of 21 days, shows no signs of repressurization post outer annulus bleeds. The well has been returned to Operable status however will remain on the Well Integrity monitor list for a period of up to 30 days to confirm pressure stabilization and to monitor for any wellhead changes. An updated TIO has been attached for reference. Please call with any questions or concerns. Thank you, Whitney Pettus (Alternate:Kevin Parks) BP Alaska-Well Integrity Coordinator JUL��sY�E© 3 2015 Gdagan�tat WIC Office: 907.659.5102 WIC Email: AKDCWellIntegrityCoordinator(a)BP.com From: A , C Well Integrity Coordinator Sent: Friday, June 015 8:21 PM To: AK, OPS GC1 OSM; AK, c' GC1 Field O&M TL; AK, OPS GC1 Wellpad Lead; AK, OPS Prod Controllers; Cismoski, Doug A; Daniel, Ryan; AK, D&C We - ices Operations Team Lead; AK, D&C Wireline Operations Team Lead; AK, RES GPB West Wells Opt Engr; AK, RES GPB Eas -IIs Opt Engr; AK, OPS Well Pad YP; Odom, Kristine; 'chris.wallace@alaska.gov' Cc: AK, D&C DHD Well Integrity Engineer; AK, D&C Well In ., Coordinator; AK, D&C Projects Well Integrity Engineer; AK, OPS FF Well Ops Comp Rep; Sternicki, Oliver R; 'Regg, James : a '; Pettus, Whitney; Worthington, Aras J; Sayers, Jessica; Weiss, Troy D; Morrison, Spencer Subject: UNDER EVALUATION: Producer Y-39 (PTD #2140730) Well-lock Treatment 2brta lete 1 \\ Wallace, Chris D (DOA) From: AK, D&C Well Integrity Coordinator <AKDCWelllntegrityCoordinator@bp.com> Sent: Friday, June 19, 2015 8:21 PM To: AK, OPS GC1 OSM; AK, OPS GC1 Field O&M TL; AK, OPS GC1 Wellpad Lead; AK, OPS Prod Controllers; Cismoski, Doug A; Daniel, Ryan; AK, D&C Well Services Operations Team Lead; AK, D&C Wireline Operations Team Lead; AK, RES GPB West Wells Opt Engr; AK, RES GPB East Wells Opt Engr; AK, OPS Well Pad YP; Odom, Kristine; 'chris.wallace@alaska.gov' Cc: AK, D&C DHD Well Integrity Engineer; AK, D&C Well Integrity Coordinator; AK, D&C Projects Well Integrity Engineer;AK, OPS FF Well Ops Comp Rep; Sternicki, Oliver R; Regg, James B (DOA); Pettus, Whitney;Worthington, Aras J; Sayers, Jessica; Weiss, Troy D; Morrison, Spencer Subject: UNDER EVALUATION: Producer Y-39 (PTD #2140730) Well-lock Treatment Complete Attachments: image001.jpg; image002.png; image003.png All, Producer Y-39 (PTD#2140730)was treated with Well-lock product on June 11, 2015 to repair outer annulus repressurization that was previously found to be unmanageable by bleeds. At this time, the well has been reclassified as Under Evaluation to determine if the treatment was successful. The outer annulus pressure may exceed MOASP (1,000 psi) while determining the stabilization trend. Should the outer annulus pressure approach 2,000 psi, it will be bled off and a new approach developed. Please use caution when bringing the well online as the annuli are fluid packed. Plan forward: 1. Operations: Bring well online 2. DHD: Monitor outer annulus for stabilization pressure Please call with any questions or concerns, Thank you, SCANNED JUL 0 2 2015 Whitney Pettus (Alternate: Kevin Parks) BP Alaska-Well Integrity Coordinator GW WIC Office: 907.659.5102 WIC Email: AKDCWeIllntegrityCoordinator@BP.com From: AK, D&C We ntegrity Coordinator Sent: Friday, May 22, 2015 10:0- 4M To: AK, OPS GC1 OSM; AK, OPS GC1 M TL; AK, OPS GC1 Wellpad Lead; AK, OPS Prod Controllers; Cismoski, Doug A; Daniel, Ryan; AK, D&C Well Services Opera • eam Lead; AK, D&C Wireline Operations Team Lead; AK, RES GPB West Wells Opt Engr; AK, RES GPB East Wells Opt Engr; S Well Pad YP; Odom, Kristine; 'chris.wallace@alaska.gov' �,\a • STATE OF ALASKA h_ .i KA OIL AND GAS CONSERVATION COMA. MON REPORT OF SUNDRY WELL OPERATIONS 1 Operations Abandon ❑ Plug Perforations ❑ Fracture Stimulate ❑ Pull TubinEL Operations shutdown ❑ Performed Suspend ❑ Perforate ❑ Other Stimulate ❑ Alter Casin( I ] Change Approved Program ❑ Plug for Redrill ❑,erforate New Pool ❑ Repair Well ❑ Re-enter Susp Well ❑ Other _Cement OA To Surface_ Q 2 Operator 4 Well Class Before Work 5 Permit to Drill Number Name BP Exploration(Alaska),Inc Development 0 Exploratory ❑ 214-073-0 3 Address P O Box 196612 Stratigraphic ❑ Service ❑ 6.API Number Anchorage,AK 99519-6612 50-029-23514-00-00 7 Property Designation(Lease Number). 8 Well Name and Number ADL0047471 PBU Y-39 9 Logs(List logs and submit electronic and printed data per 20AAC25 071) 10 Field/Pool(s). PRUDHOE BAY,PRUDHOE OIL 11 Present Well Condition Summary CEWWED Total Depth measured 20280 feet Plugs measured None feet true vertical 9041 01 feet Junk measured - None feet JUN 0 4 2015 Effective Depth measured 20192 feet Packer measured See Attachment feet A f�,G C C true vertical 9047 53 feet true vertical See Attachment feet �J Casing Length Size MD TVD Burst Collapse Structural None None None None None None Conductor 79 20"91 5#A-53 40-119 40-119 1533 515 Surface 4558 9-5/8"40#L-80 40-4598 40-3067 51 5750 3090 Intermediate None None None None None None Production 15347 7"26#L-80 38-15385 38-8897 81 7240 5410 Liner 5099 4-1/2"126#13Cr80 15179-20278 8712 36-9041 16 8430 7500 Perforation depth Measured depth 16465-16800 feet 16930-17750 feet 19610-19850 feet 20055-20185 feet True Vertical depth 9052 7-9031.88 feet 9032 23-9060 56 feet 9053.8-9059 78 feet 9058.83-9048.15 feet Tubing(size,grade,measured and true vertical depth) 4-1/2"12 6#13Cr80 36-15207 36-8737 79 Packers and SSSV(type,measured and true vertical depth) See Attachment See Attachment See Attachment Packer None None None SSSV 12 Stimulation or cement squeeze summary Intervals treated(measured) 40'-4598' /�p�`�` Treatment descriptions including volumes used and final pressure SCANNED 194 BBLS GASBLOCK CEMENT 13 Representative Daily Average Production or Injection Data Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure Prior to well operation 2221 1076 388 0 249 Subsequent to operation 2164 1356 379 0 252 14 Attachments(required per 20 AAC 25 070 25 071,&25 283) 15 Well Class after work Daily Report of Well Operations ❑✓ Exploratory❑ Development Q Service ❑ Stratigraphic ❑ Copies of Logs and Surveys Run ❑ 16 Well Status after work Oil U Gas ❑ WDSPL ❑ Printed and Electronic Fracture Stimulation Data ❑ GSTOR ❑ WINJ ❑ WAG ❑ GINJ ❑ SUSP ❑ SPLUG ❑ 17 I hereby certify that the foregoing is true and correct to the best of my knowledge Sundry Number or N/A if C 0 Exempt 3/ 5-- .2 c4:3 a Contact Nita Summerhays Email NIta.Summerha s• b•.com r-"I~b11411.5- Printed Name Nita Summerh- / Title Data Manager .-'"''���� / �i� J�j��� Phone 564-4035 Date 6/4/2015 ice..,, rTL //R/17-- RBDMS3 JUN - 5 2015 Daily Report of Well Operations ADL0047471 T/I/O= 1838/460/170 Temp = SI Injectivity Test (Obj: Mitigate high OAP). Pumped 5 bbls Neat McOH followed by 61 bbls Diesel down OA for injectivity test resulting in 5 bpm at 1475 psi see log for details. Bleed OA to 150 psi Well S/I notified pad op upon departure. FWHP = 1839/458/209 mit.Fluid packed caution tags hung on OAV and WV AFE sign hung on MV fluid packed annulus watch for thermal expansion noted on permit. SV/WV/SSV= C MV= O 4/25/2015 IA/OA= OTG T/I/0=2000/475/56. Pre OA Companion install bleed OA to 0+ psi. Final WHP's 2000/475/0. ***Job in Porgress"** See log. 4/28/2015 Drill: Perform Man down drill with WSL Pettitt. T/I/O= 1860/0+/0. Temp= SI. WHPs (Eval high OAP). ALP= 1960 psi, SI @ casing valve. 5/2/2015 SV&WV=C. SSV& MV=O. IA& OA=OTG. 0450 hrs. T/I/O= 1870/10/0. Temp=SI. WHPs (Eval high OAP). ALP= 1960 psi, SI @ casing vavle. TP increased 10 psi, IAP increased to 10 psi, &OAP unchanged overnight. 5/2/2015 SV&WV=C. SSV& MV=O. IA & OA=OTG. 2325 hrs. T/I/O= 2000/0/0. Installed comp. OA valve (temp valve#95). Torqued and Pt'd. Pulled VR plug. Installed tapped blind flange. Torqued and Pt'd. (See log). RDMO. 5/2/2015 ***Job complete*** Jobe Scope = OA downsqueeze Pumped 50 bbls of 15.8 ppg gas block cement followed by 45 bbls of15.8 ppg gas block cement with 15 ppb aggregate, followed by 94 bbls of 15.8 ppg gas block cement. Pumped 50/50 methanol across the top for a freeze protect. Blew the lines down to the tank. 5/5/2015 Job Complete T/l/0=1799/224/5 Temp=Sl Assist Schlumberger Cementers (CEMENT SQEEZE(OA DWNSQZ)) Pumped 5 bbls MEOH &230 bbls 180*crude down IA to assist SLB. FWHP's=1936/507/451 Upon departure DSO notified SLB on well & in 5/5/2015 control of all WHV's FLUIDS PUMPED BBLS 10 METH 61 DIESEL 232 CRUDE 194 GASBLOCK CEMENT 20 50/50 METH 517 TOTAL Packers and SSV's Attachment ADL0047471 SW Name Type MD TVD Depscription Y-39 PACKER 15084 8625.82 4-1/2" HES TNT Perm Packer Y-39 PACKER 15201 8732.35 5" Baker ZXP Top Packer TREE' 4-1/16"CNV r WELLHEAD= FMC Y-39 SA. .'NOTES: WELL ANGLE>70°@15805'•" ACTUATOR= BAKER MAX DOGLEG:16.3°@ 15850'"' OKE.ELEV= 882' ''J BF ELEV= 50.7' • KOP= - =7-- 514' H9-5/8"TAM PORT COLLAR 4598' _ 4 Max Angle 114'@ 16167' t , 41111444'. �, 2506' —�4-1/2'HES X tom,D=3.813' Datum MD=____ 15374' Datum TVD= 8800'SS * GAS LFT MANDRELS 20"NSULA till CONDUCTOR, H 119' ST IuD TVD DEV TYPE VLV LATCH PORT DATE 91.5#,A-53,D=19.124" 8 5527 3504 64 KGB2 DOME BK 16 12/26/14 7 8923 4997 63 KGB4 DMY BK 0 08/24/14 9-5/8'CSG,40#,L-80 BTC,D=8.835' H 4598' 6 10950 5898 64 KGB4 SO BK 20 12/26/14 5 12191 6447 63 KGB4 DMY BK 0 08/24/14 Minimum ID = 3325" @ 15189' 4 13223 6988 45 KGB4 DMY BK 0 08/24/14 4-112" HES XN NIPPLE 3 13837 7493 26 KGB4 DMY BK 0 08/24/14 2 14370 7975 25 KGB4 DMY BK 0 08/24/14 1 14693 8269 24 KGB4 DM' BK 0 08/24/14 TOP OF CEMENT H 13887 • .' f14 k'.* ' 15018' —14-1/2"HES X MP,D=3.813" 14 r.+ 15047' —14-1/2"SGMSINGLE-NDPG-CA SINGLE DROP + SA PPHRE GAUGE,D=3.813' ✓M yi4�p' =, 15084' --17'X 4-1/2"HES TNT PKR,D=3.856" mio Eli c a 15119' H 4-1/2'HES X NP,D=3.813" k t+* • 15189' H4-1/2"HES XN NP,D=3.725" It.* k 15201' I--7"X 5'BKR H2D-E ZXP LTP w/TEBK,D=4.34" TOP OF 4-1/2'LNF2 -i 15201' ., 41520T H4-112"VVLEG,0=3.958" 4-1/2"TBG, 12.6#,13CR-80 VAM TOP, —j 15207' K: i. H ELMD TT NOT LOGGED .0152bpf,D=3.958" '• y. 15225' —{7"X 5'DG BKR FLEX LOCK HGR D=4.32" •it J 15235' - 15"X 4-1/2"XO,ID=3.92" 7"CSG,26#,L-80 VAM TOP HC, —{ 15385' ?" .0383 bpf,ID=6.276" 4 PERFORATION SUNT ARY ��« REF LOG:MWD ON 08/21/14 ar + s *t ANGLE AT TOP PERF 101°@ 16465' ;r Note:Refer to Roduction DB for historical perf data ''A ; SIZE SPF INTERVAL Opn/Sqz SHOT SOZ y f; 17553' _—{4-1/2"PUP JONTwi RA TAG 4-1/2" 6 16465-16800 0 08/25/14 4 112" 6 16930 17750 0 08/25/14 4,A 18832' H4-1/2"PUP JO f w/RA TAG 4-1/2" 6 19610-19850 0 08/25/14 4e.4. 4-1/2" 6 20055-20185 0 08/25/14 ' A w.*1 4,".4, :-%r**. 4. PBTD — 20192' 4444.• i e• I♦....:�" 4-1/2"L NR,13.5#, 13CR-80 HYDRO..521, —I 20278' .0150 bpf,ID=3.958" DATE REV BY COMMENTS DATE REV BY COMMENTS PRUDHOE BAY LNFT 08/27/14 D-14 INITIAL COMPLETION 09/23/14 TJ/PJC FINAL ODE AF1ROVAL WELL Y-39 09/02/14 PJC EOW CORRECTIONS 01/05/15 JLS/JMD GLV C/O(12/26/14) PERMIT No: 140730 09/03/14 PJC DRLG DRAFT CORRECTIONS AA No: 50-029-23514-00 09/06/14 PJC UR CORRECTIONS SEC 34,T11N,R13E, 1222'FTL&685'FAL 09/12/14 PJC CONDUCTOR INFORMATION 09/12/14 PJC 4-1/2"L NR CORRECTION BP Exploration(Alaska) Wallace, Chris D (DOA) From: AK, D&C Well Integrity Coordinator <AKDCWellIntegrityCoordinator@bp.com> Sent: Friday, May 22, 2015 10:05 AM To: AK, OPS GC1 OSM; AK, OPS GC1 Field O&M TL; AK, OPS GC1 Wellpad Lead; AK, OPS Prod Controllers; Cismoski, Doug A; Daniel, Ryan; AK, D&C Well Services Operations Team Lead; AK, D&C Wireline Operations Team Lead; AK, RES GPB West Wells Opt Engr; AK, RES GPB East Wells Opt Engr; AK, OPS Well Pad YP; Odom, Kristine;Wallace, Chris D (DOA) Cc: AK, D&C DHD Well Integrity Engineer; AK, D&C Well Integrity Coordinator; AK, D&C Projects Well Integrity Engineer; AK, OPS FF Well Ops Comp Rep; Sternicki, Oliver R; Regg, James B (DOA); Pettus, Whitney;Worthington, Aras J; Sayers, Jessica;Weiss, Troy D Subject: NOT OPERABLE: Producer Y-39 (PTD #2140730) OA down squeeze failed Attachments: image001jpg; image002.png; image003.png; Producer Y-39 (PTD #2140730) TIO Plot.docx All, Producer Y-39 (PTD#2140730) was recently treated with an outer annulus down squeeze in order to mitigate outer annulus repressurization. The outer annulus repressurization remains unmanageable by bleeds post treatment. Due to unseasonably large river runoff, the pad has become temporarily unavailable for permitting a secondary intervention. At this time, the well has been reclassified as Not Operable until further repair diagnostics can be performed. An updated TIO has been attached for reference. Please call with any questions or concerns. Thank you, Whitney Pettus (Alternate:Kevin Parks) SCANNED MAY 2 8 2015 BP Alaska-Well Integrity Coordinator G WIC Office: 907.659.5102 WIC Email: AKDCWeIlIntegrityCoordinator@BP.com Fr1tt:AK, D&C Well Integrity Coordinator Sent: Wednesday;May-13, 2015 9:07 AM To: AK, OPS GC1 OSM; AK, OPS GC1 Field_O&M TL; AK, OPS GC1 Wellpad Lead; AK, OPS Prod Controllers; Cismoski, Doug A; Daniel, Ryan; AK, D&C Well Services Opera ions Team Lead; AK, D&C Wireline Operations Team Lead; AK, RES GPB West Wells Opt Engr; AK, RES GPB East Wells Opt Engr; AK, OPS Well Pad YP; Odom, Kristine; 'chris.wallace@alaska.gov' Cc: AK, D&C DHD Well Integrity Engineer; AK, D&C Well Integrity Coordinator; AK, D&C Projects Well Integrity Engineer; AK, OPS FF Well Ops Comp Rep; Sternicki, Oliver R; 'Regg, James B (DOA) (jim.regg@alaska.gov)'; Pettus, Whitney; Worthington, Aras J Subject: UNDER EVALUATION: Producer Y-39 (PTD #2140730) OA down squeeze completed • All, Producer Y-39(PTD#2140730) TIO Plot May 22, 2015 -0-M d OOr • BODY ,vIIT WSN SMT ONp�1 U]MI SMST UOY�S U6N fWl�4 bM!MNM M+YN Y'WN plmt M'!ST WVN OWYN WJM U]xT U»s5 UOQ n Os9f"S UOS+s SSO'N SsoN Ussn UU�S a'f n:R..C.f R.� F-57-----. - 0'13 or 71 1, 0w0"\\��jy�s. THE STATE Alaska Oil and Gas ,r.0,;,-s ��, of LAsKA Conservation Commission -fix__ 333 West Seventh Avenue I' \T / GOVERNOR BILL WALKER Anchorage, Alaska 99501-3572 Main: 907 279 1433 OFffffil ALASFax: 907.276 7542 www.aogcc alaska.gov Jessica Sayers Well Integrity Engineer ptAV Iv1aY. 2.01'..iBP Exploration (Alaska), Inc. S� P.O. Box 196612 Anchorage, AK 99519-6612 Re: Prudhoe Bay Field, Prudhoe Bay Oil Pool, PBU Y-39 Sundry Number: 315-314 Dear Ms. Sayers: Enclosed is the approved application for sundry approval relating to the above referenced well. Please note the conditions of approval set out in the enclosed form. As provided in AS 31.05.080, within 20 days after written notice of this decision, or such further time as the AOGCC grants for good cause shown, a person affected by it may file with the AOGCC an application for reconsideration. A request for reconsideration is considered timely if it is received by 4:30 PM on the 23rd day following the date of this letter, or the next working day if the 23rd day falls on a holiday or weekend. Sincerely, l'A Cathy l Foerster Chair DATED this Z day of May, 2015 Encl. STATE OF ALASKA p V 1.D15 ALASKA OIL AND GAS CONSERVATION COMMISSION 0V5R EC E I V E D APPLICATION FOR SUNDRY APPROVAL MAY 2 1 2015 20 AAC 25.280 1. Type of Request. /',OGCC ❑Abandon 0 Plug for Redrill 0 Perforate New Pool •®Repair Well 0 Change Approved Program vv ❑Suspend 0 Plug Perforations 0 Perforate 0 Pull Tubing 0 Time Extensionw?I l L, k 0 k • ❑Operations Shutdown 0 Re-Enter Suspended Well 0 Stimulate ❑Alter Casing ®Other 'Gement vv‘.r rr t ler0Ot wriNlt5 2. Operator Name 4 Current Well Class 5 Permit To Drill Number BP Exploration(Alaska) Inc. 0 Exploratory 0 Stratigraphic 214-073 . 3. Address ®Development 0 Service 6. API Number: P.O. Box 196612,Anchorage,Alaska 99519-6612 50.029-23514-00-00 . 7. If perforating. 8. Well Name and Number: What Regulation or Conservation Order governs well spacing in this pool? PBU Y-39 Will planned perforations require a Spacing Exception? 0 Yes No 9 Property Designatior 10.Field/Pool(s): ADL 028287&047471 ' Prudhoe Bay/Prudhoe Bay 11. PRESENT WELL CONDITION SUMMARY Total Depth MD(ft). Total Depth TVD(ft). Effective Depth MD(ft) Effective Depth TVD(ft): Plugs(measured): Junk(measured) 20280' • 9041' • 20192'• 9048' • None None Casing Length Size MD TVD Burst Collapse Structural Conductor 80' 20" 41'- 121' 41'- 121' 1490 470 Surface 4558' 9-5/8" 40'-4598' 40'-3068' 5750 3090 Intermediate 15347' 7" 38'- 15385' 38'-8898' 7240 5410 Production Liner 5077' 4-1/2" 15201'-20278' 8732'-9041' Perforation Depth MD(ft). Perforation Depth TVD(ft): Tubing Size. Tubing Grade: Tubing MD(ft). 16465'-20185' 9053'-9048' 4-1/2", 12.6# 13Cr80 15207 Packers and SSSV Type. 7"x 4-1/2" HES TNT Packer Packers and SSSV 15084'/8626' MD(ft)and TVD(ft): 12. Attachments' 13.Well Class after proposed work' ® Description Summary of Proposal 0 BOP Sketch El Detailed Operations Program 0 Exploratory 0 Stratigraphic ®Development 0 Service 14 Estimated Date for 15. Well Status after proposed work. Commencing Operation May 25, 2015 IS Oil 0 WINJ ❑WDSPL 0 Plugged 16 Verbal Approval: Date 0 Gas 0 GINJ 0 GSTOR 0 Abandoned Commission Representative: 0 WAG 0 SPLUG 0 Suspended 17 I hereby certify that the foregoing is true and correct to the best of my knowledge. Contact. Jessica Sayers,564-4281 Printed Name: Jessica Sayers Title. Well Integrity Engineer Email: Jessica.Sayers@bp corn Signature. ( _../ i Phone. 564-4281 Date 5 _'LA_ 2_ 'S - Commission Use Only Conditions of approva • ify Commission so t := representative may witness Sundry Number. 1 5 -• 3 ❑Plug Integrity ❑BOP Test 0 Mechanical Integrity Test ❑Location Clearance Other: Spacing Exception Required? ❑Yes 'No Subsequent Form Required' / C — y L" 4 Approved By: f APPROVED BY COMMISSIONER THE COMMISSION Date,-C— Z —' Form 10-403 Revised 1 /2012 r d1 (NAL p rctil' for 12 months from the date of approval Submit In Duplicate RBDMSJ� MAY 2 9 2015 � ���i,//j� y, . c /. 'c To: Ken Bulloch / Scott Bundy; AK, D&C Special Projects Tyler Norene / Len Seymour; AK, D&C Well Services Team Lead Date: 05-20-2015 From: Jessica Sayers, Well Integrity/Intervention Engineer (office: 564-4281, cell: 602-8715) Subject: Y-39 WeIlLock OA Treatment Objective This program is for treating the annular leaking in the fully cemented OA. This well exhibits OA repressurization when on production and is not manageable by bleeds. WeIlLock is a Newtonian resin that sets with temperature as an inert, hard, plastic-like material. The viscosity has been tested at 60 cP. The objective is to use the small diaphragm, suitcase, pump to squeeze the WeIlLock into the micro-annulus with high pressure and low volume. Once pressure fall off dissipates, nitrogen should be flushed across the OA valveslo keep WeIlLock from setting up. Well Detail Current Status: Under Evaluation — PAL Previous Test: 02-21-15 MIT-T passed to 3000psi 04-05-15 MIT-OA failed, LLR 0.50 gpm Integrity Issues: Fully cemented OA, OA breaks MOASP, unmanageable by bleeds when on-line (all gas) Well Operation Detail Fluid Density: WeIlLock: 9.1-9.3 ppg (keep WeIlLock at or above 85°F) Musol A: 7.5 ppg 2% KCI: 8.3-8.5 ppg Diesel: 6.8 ppg Equipment: See rig-up diagram Temperature: Maintain 75°-80° F throughout the entire job Relevant History: > 02/21/15: MIT-T Passed to 3000 psi, CMIT-TxIA Passed to 3000 psi, Pulled PXN Plug from 15189' MD > 04/03/15: OART BUR= -170 psi/day > 04/05/15: MIT-OA Failed 0.5 gpm LLR > 04/25/15: OA Injectivity 5 bbls/min @ 1475 psi > 05/05/15: OA downsqueeze > 05/17/15: OA cemented to surface; OAP increased from 40 psi to 1000 psi in 13 minutes. • Well Procram: • 1 D Heat well externally using heater trunks. 3 D *** Use diaphragm pump to pump WeIlLock into OA. 4 D Maintain 3,000 psi for two hours by pumping more WeIlLock at signs of pressure fall off. This is to squeeze the WeIlLock into the microannulus. Record pressure and temperature readings on casing every hour. Do not exceed 3,500 psi. 6 D Shut-in suitcase pump and returns, blow nitrogen path across valves. 8 D Pressure up and leave 500 psi nitrogen cap on well. 9 D Leave crystal gauge on well and take pressure and temperature readings on casing, twice daily. Record in AWGS. 10 D After seven days, put well under-eval to check for OA pressure stability *** Collect approximately one cup sample of WeIlLock in disposable container. Place sample in representative condition and monitor viscosity throughout job. Leave sample during seven day cure period. 2 of 2 TREE= 4-1/16"CNV WELLHEAD= FMC Y-39 SAFE!r NOTES: WELL ANGLE>70'@ 15805"" ACTUATOR= BAKERC MAX DOGLEG,:16.3 @ 1 58 50' * OKB.8_EV= 88.2' BF EL V= 50.7' 514' H9-5/8"TAM PORT COLLAR KOP 4598' Max Angle= 114'@ 16167' 2506' —14-1/2"HES X fes,D=3.813" Datum MD= 15374' fy Datum ND= 8800'SS '} GAS LFT MANDRELS 20'INSULATED CONDUCTOR1 119' ic ST MD ND DEV TYPE VLV LATCH PORE DATE 91.5#,A-53,D=19.124" 8 5527 3504 64 KGB2 DOME BK 16 12/26/14 7 8923 4997 63 KGB4 DMY BK 0 08/24/14 9-5/8"CSG,40#,L-80 BTC,D=8.835" H 4598' 6 10950 5898 64 KGB4 SO BK 20 12/26/14 5 12191 6447 63 KGB4 OMY BK 0 08/24/14 Minimum ID =3.725" @ 15189' 4 13223 6988 45 KGB4 DMY BK 0 08/24/14 HES XN NIPPLE 3 13837 7493 26 KGB4 DMY BK 0 08/24/14 4-1/2" 2 14370 7975 25 KGB4 DMY BK 0 08/24/14 1 14693 8269 24 KGB4 DMY BK 0 08/24/14 TOP OF CEMENT H 13882' t. 1� ' ' 15018' H4-1/2"HES X MP,D=3.813" 41 15047' 14-1/2"SGM-NDPG-CA SINGLE DROP WI SAPPHRE GAUGE,13=3.813' • 15084' —17'X 4-1/2"HES TNT PKR D=3.856' 15119' H4-1/2'HES XNP,D=3.813" VI ' I Oil 15189' H4-12"HES XN NP,D=3.725' dr ' :04IP 15201' H7-X 5'BKR I-RD-E ZXP LTP w/TIEBK,D=4.34" TOP OF 4-1/7 LM —1 15201' } . 4 15207' —14-12WD " LEG, =3.958" 4-1/2"TBG,12.6#,13CR-S0 VAM TOP, --1 15207' ' a® ®:05, H E.MD TT NOT LOGGED $167C!ICN4 .0152 bpf,D=3.958' 15225' —1 7'X 5"DG BKR FLEX LOCK HGP,D=4.32' 6„,), z.., $ 15235' H5"X 4-12'XO,ID=3.92' 7"CSG,26#,L-80 VAM TOP HC, — 15385' .0383 bpi,D=6.276' I PERFORATION SU/AVIARY 49• I, REF LOG:MV1iO ON 0821/14 I E'.1+ ANGLE AT TOP PERF 101'©16465' Note:Refer to Production 06 for historical perf data SIZE SPF NEEZVAL Opn/Sqz SHOT SO7 17553' —14-1/2"PUPJONT w I RA TAG 4-12' 6 16465-16800 0 08/25/14 i 4 12" 6 16930-17750 0 08/25/14 18832'J—{4-12"RP JOINT w/RA TAG la 4-12" 6 19610-19850 0 08/25/14 f 4-12" 6 20055-20185 0 08/25/14 j ■ • :X7 L4r ■ PBTD —1 20192' �.• 1..444 In 4-1/2"LW,13.5#,13CR-80 HYDRL 521, —{ 20278' -/ 4.4.4.1.1.1 .0150 bpf,ID=3.958" DATE REV BY COPA LINTS DATE REV BY COMMENTS PRUDHOE BAY INT 08/27/14 D-14 INTIAL COMPLETION 09/23/14 TJ/PJC FINAL ODE AFPROVAL WELL Y-39 09/02/14 PJC EDW CORRECTIONS 01/05/15 JLS/JMD GLV C/O(12/26/14) PERMIT No:'2140730 09/03/14 PJC DRLG DRAFT CORRECTIONS AR No: 50-029-23514-00 09/06/14 PJC LW CORRECTIONS SEC 34,T11N,R13E, 1222'FTL&685'FAL 09/12/14 PJC CONDUCTOR INFORMATION 09/12/14 PJC 4-1/2"LNR CORRECTION BP Exploration(Alaska) Wallace, Chris D (DOA) From: AK, D&C Well Integrity Coordinator <AKDCWelllntegrityCoordinator@bp.com> Sent: Wednesday, May 13, 2015 9:07 AM To: AK, OPS GC1 OSM;AK, OPS GC1 Field O&M IL;AK, OPS GC1 Wellpad Lead;AK, OPS Prod Controllers; Cismoski, Doug A; Daniel, Ryan;AK, D&C Well Services Operations Team Lead;AK, D&C Wireline Operations Team Lead;AK, RES GPB West Wells Opt Engr; AK, RES GPB East Wells Opt Engr;AK, OPS Well Pad YP; Odom, Kristine;Wallace, Chris D (DOA) Cc: AK, D&C DHD Well Integrity Engineer;AK, D&C Well Integrity Coordinator;AK, D&C Projects Well Integrity Engineer;AK, OPS FF Well Ops Comp Rep; Sternicki, Oliver R; Regg,James B (DOA); Pettus,Whitney;Worthington,Aras J Subject: UNDER EVALUATION: Producer Y-39 (PTD#2140730) OA down squeeze completed Attachments: image001 jpg; image002.png; image003.png All, Producer Y-39(PTD#2140730) underwent an outer annulus down squeeze on May 05, 2015 to repair outer annulus repressurization that was previously found to be unmanageable by bleeds. At this time,the well has been reclassified as Under Evaluation to determine if the treatment was successful. The outer annulus pressure may exceed MOASP(1,000 psi)while determining the stabilization trend.Should the outer annulus pressure approach 2,000 psi, it will be bled off and a new approach developed. Please use caution when bringing the well online as the annuli are fluid packed. Plan forward: 1. Operations: Bring well online in conjunction with DHD 2. DHD: Monitor outer annulus for stabilization pressure Please call with any questions or concerns, Thank you, Whitney Pettus SCANNED lvIA`' 2 2 2015 (Alternate:Kevin Parks) BP Alaska-Well Integrity Coordinator G V VG rsb)"r,'t u•, U•ya' tat 0•1 WIC Office: 907.659.5102 WIC Email: AKDCWellIntegrityCoordinator@BP.com From: AK, ': -II Integrity Coordinator Sent: Thursday, April s S 5 10:16 AM To: AK, OPS GC1 OSM; AK, OPS Field O&M TL; AK, OPS GC1 Wellpad Lead; AK, OPS Prod Controllers; Cismoski, Doug A; Daniel, Ryan; AK, D&C Well Se ; Operations Team Lead; AK, D&C Wireline Operations Team Lead; AK, RES GPB West Wells Opt Engr; AK, RES GPB East We 9 Engr; AK, OPS Well Pad YP; Odom, Kristine; 'chris.wallace@alaska.gov' Cc: AK, D&C DHD Well Integrity Engineer; AK, D&C Well Integrity cr. .tor; AK, D&C Projects Well Integrity Engineer; 1 OF Tye(c, ,„ �//7, THE STATE Alaska Oil and Gas ,—'7 of Conservation Commission 1- -,_ _ _ . ALASI�;A . 1<t�2= _, - 7. 333 West Seventh Avenue ' GOVERNOR BILL WALKER Anchorage, Alaska 99501 3572 Mara• 907 279.1433 OFALAS� Fax 907 276 7542 www.aogcc.alaska gov Aras Worthington Well Interventions Engineer a l l— ofT3 BP Exploration(Alaska), Inc. P.O. Box 196612 Anchorage, AK 99519-6612 Re: Prudhoe Bay Field, Prudhoe Bay Oil Pool, PBU Y-39 Sundry Number: 315-206 2 4 Dear Mr. Worthington: SCANNED APR 2015 Enclosed is the approved application for sundry approval relating to the above referenced well. Please note the conditions of approval set out in the enclosed form. As provided in AS 31.05.080, within 20 days after written notice of this decision, or such further time as the AOGCC grants for good cause shown, a person affected by it may file with the AOGCC an application for reconsideration. A request for reconsideration is considered timely if it is received by 4:30 PM on the 23rd day following the date of this letter, or the next working day if the 23rd day falls on a holiday or weekend. Sincerely, It / / it„, /-7,_ , Cathy '. Foerster Chair SE" DATED this I. day of April, 2015 Encl. STATE OF ALASKA � ` - ALA;_ .OIL AND GAS CONSERVATION COM. _ION I\\�\`\ ECEIVED . APPLICATION FOR SUNDRY APPROVAL 20 AAC 25.280 APR 0 7 2015 1 Type of Request: - aA0 A�� ❑Abandon 0 Plug for Redrill 0 Perforate New Pool ®Repair Well 0 Change Approved Progr U ❑Suspend 0 Plug Perforations 0 Perforate 0 Pull Tubing 0 Time Extension ❑Operations Shutdown 0 Re-Enter Suspended Well 0 Stimulate 0 Alter Casing ®Other Cement OA /PG lc a k- 2. Operator Name 4. Current Well Class 5. Permit To Drill Number BP Exploration (Alaska) Inc. 0 Exploratory 0 Stratigraphic 214-073 • 3. Address: ®Development ❑Service 6. API Number: P.O. Box 196612,Anchorage,Alaska 99519-6612 50.029-23514-00-00 • 7 If perforating: 8. Well Name and Number: What Regulation or Conservation Order governs well spacing in this pool? PBU Y-39 • Will planned perforations require a Spacing Exception? 0 Yes— No 9. Property Designatior 10.Field/Pool(s): ADL 028287&047471 ' Prudhoe Bay/Prudhoe Bay . 11. PRESENT WELL CONDITION SUMMARY Total Depth MD(ft): Total Depth ND(ft): Effective Depth MD(ft). Effective Depth TVD(ft): Plugs(measured): Junk(measured) 20280' • 9041' • 20192' 9048' None None Casing Length Size MD TVD Burst Collapse Structural Conductor 80' 20" 41'- 121' 41'- 121' 1490 470 Surface 4558' 9-5/8" 40'-4598' 40'-3068' 5750 3090 Intermediate 15347' 7" 38'- 15385' 38'-8898' 7240 5410 Production Liner 5077' 4-1/2" 15201'-20278' 8732'-9041' Perforation Depth MD(ft): Perforation Depth ND(ft): Tubing Size: Tubing Grade: Tubing MD(ft): 16465'-20185' 9053'-9048' 4-1/2", 12.6# 13Cr80 15207 Packers and SSSV Type• 7"x 4-1/2" HES TNT Packer Packers and SSSV 15084'/8626' MD(ft)and ND(ft): 12. Attachments: 13.Well Class after proposed work. ®Description Summary of Proposal 0 BOP Sketch 0 Detailed Operations Program 0 Exploratory 0 Stratigraphic 0 Development 0 Service 14. Estimated Date for 15. Well Status after proposed work: Commencing Operation April 14,2015 • - 0 Oil 0 WINJ 0 WDSPL 0 Plugged 16. Verbal Approval: Date 0 Gas 0 GINJ 0 GSTOR 0 Abandoned Commission Representative: 0 WAG 0 SPLUG 0 Suspended 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. Contact: Aras Worthington,564-4102 Printed Name. Aras Worthington �� Title: Well Interventions Engineer Email: Aras.Worthington@bp.com Signature j/ /-5-' Phone 564-4102 Date: / Commission Use Only Conditions of approval: Notify Commission so that a representative may witness Sundry Number: s irj - 2,0(Q ❑Plug Integrity 0 BOP Test 0 Mechanical Integrity Test 0 Location Clearance Other: Spacing Exception Required? 0 Yes []'No Subsequent Form Required: / , _ 4 G /1. APPROVED BY .i. Approved By. fi )1,4..,1„.2(Z,,,_.. COMMISSIONER THE COMMISSION Date:4- �—/S Form 10-403 evised 10/ 012 t s =I for 12 months from the date of approval Submit In DuplicateVT� �, 1fr4- o s _'10 ��� APR222015/� f` � bP . 0 Y-39 OA Cement Squeeze History Y-39 is a grassroots well that was recently drilled in the periphery of the waterflood in August 2014. After the long anticipation due to the well tie in, the well came online at 3,600 bopd and -0% WC on January 7, 2015 - tripling Y-pad's production. However, Y-39 showed OA repressurization issues and has been under close surveillance by the Well Integrity Engineers to determine the source of OA repressurization. Initially, diagnostics indicated that OA repressurization was IAxOA communication with GL. Unable to pin point the culprit at that time, diagnostics were then performed with the well SI. A direct correlation was observed when the GL in the IA was bled down to essentially 0 psi and the OA repressurization was minimal (< 100 psi over 20 days) indicating that reservoir influence is unlikely. When brought back online using GL to flow the well, the OA exhibited repressurization confirming a IAxOA dominated communication (PC leak). The OA has an open shoe and failed an MIT-OA to 1200 psi on April 5, 2015 with a LLR of 0.5 gpm and passed a CMIT-TxIA and a MIT-T to 3000 psi on February 21, 2015. The IC packoffs passed their initial PT upon installation and another PPPOT-IC to 3500 psi on January 20th 2015. Current Status The well is currently classified as 'Non Operable" by BP due to the OA repressurization issues which are deemed "not manageable by bleeds". The well is therefore currently shut-in until the OA is cemented fully and thus the repressurization issues remedied. Objective The objective of this job is to cement the OA (9-5/8" x 7") annulus, which is exhibiting re- pressurization issues, and make this well operable. Cement will be pumped down the OA from surface in two stages (if needed). The goal is to have cement in the OA from the 9-5/8" casing shoe to surface. Procedural steps Fullbore 1. Establish injectivity rate and pressure down the OA with diesel. Cementers 2. RU to the OA. 3. Spear in with mudpush. 4. Pump enough Class G cement to fill OA to surface, SI and allow cement level to reach equilibrium. 5. WOC to build strength. 6. Pump a second cement job to refill OA to surface (if needed). Operations 7. Bring well back online Y-39 OA Cement Squeeze Objective The goal of this job is to cement the OA (9-5/8" x 7") annulus, which is exhibiting re-pressurization issues, and make this well operable. Cement will be pumped down the OA from surface in two stages. The goal is to have cement in the OA from the 9-5/8" casing shoe to surface. Procedural steps Fullbore 1. Establish injectivity rate and pressure down the OA with diesel. Cementers 2. RU to the OA. 3. Spear in with mudpush. 4. Pump enough Class G cement to fill OA to surface, SI and allow cement level to reach equilibrium. 5. WOC to build strength. 6. Pump a second cement job to refill OA to surface. Operations 7. Bring well back online TREE= 4-1/16"CNV WELLACTUATOR= BAKER MAX vOGLEG 1 6.3 @ 1850ANGLE f 70° 15805'••* OKB.aEV= 88.2' .., r*ji BF.ELEV= 50.7' • + = KOP= 4598' -_ 514' I-19-5/8"TAM PORT COLLAR Max Angle= 114'@ 16167' 1 '.4.•!° -• 2506' -j4-1/2"HES X NP,D=3.813" Datum MD= 15374' I Datum TVD= 8800'SS *v GAS LFT MANDF�S 20"INSULATED CONDUCTOR HI 119' ST MD TVD DEV TYPE VLV LATCH PORT DATE 91.5#,A-53,D=19.124" 8 5527 3504 64 KGB2 DOME BK 16 12/26/14 7 8923 4997 63 KGB4 DMY BK 0 08/24/14 9-5/8"CSG,40#,L-80 BTC,D=8.835" --I 4598' 6 10950 5898 64 KGB4 SO BK 20 12/26/14 5 12191 6447 63 KGB4 DMY BK 0 08124/14 Minimum ID = 3.725" @ 15189' 4 13223 6988 45 KGB4 DMY BK 0 08/24/14 4-1/2" HES XN NIPPLE 3 13837 7493 26 KGB4 DMY BK 0 08/24/14 2 14370 7975 25 KGB4 DMY BK 0 08/24/14 1 14693 8269 24 KGB4 DMY BK 0 08/24/14 TOP OF CEMENT -1 13882' *.1 ' 15018' -4-1/2"HES X NP,D=3.813" •4.' I 15047' I-4-1/2"SGM-NDPG-CA SINGLE DROP SAPPHIRE GAUGE,D=3.813" •:++ 15084' H7"X 4-1/2"HES TNT PKR D=3.856" .11- 0111. iiii ' 15119' H4-1/2"HES XNP,D=3.813" 4 -4.. kil i I 15189' H4-1/2"HES XN NP,ID=3.725" 15201' 1-7'X 5"BKR HRD-E ZXP LTP w/TEBK,D=4.34" TOP OF 4-112"LNR -1 15201' ~ 0,741 1520T --{4-1/2'WLEG,D=3.958" 4-1/2'TBG, 12.6#,13CR-80 VAM TOP, H 1520T * it;<10 H ELMD TT NOT LOGGED <. .•10 0152 bpf,D=3.958" •:‘.41e:-.4.'"� V 15225' -17"X 5"DG BKR FLEX LOCK HGR D=4.32" 4,« 15235' -15"x 4-1/2"X0,ID=3.92" 'i Aritict.47' ►,e y 7"CSG,26#,L-80 VAM TOP HC, - 15385' .0383 bpf,ID=6.276' ! PERFORATION SUMMARY 4.•,*4,.+ REF LOG:tvNVD ON 08/21/14 +*t ti":i ANGLE AT TOP PERF 101°@ 16465' 4 Note:Refer to Production DB for historical perf data tw .., SIZE SPF INTERVAL Opn/Sqz SHOT SCZ #� 17553' -{4-1/2'PUP JOINT w/RA TAG 4-1/2" 6 16465-16800 O 08/25/14 . 4 1/2" 6 16930-17750 O 08/25/14 ;* •.*+ 18832' H4-1/2"PUP JOINT w/RA TAG 'v.+ i 4-1/2" 6 19610-19850 0 08/25/14 4%* *, 4-1/2" 6 20055-20185 0 08/25/14 !. +.+ 4. *.: .4:21. PBTD — 20192' k • 11••N04.4 +: li J 4 F�,.... 4-1/2"LNR 13.5#, 13CR-80 HYDRL 521, -1 20278' .0150 bpf,D=3.958" DATE REV BY COMMENTS _ DATE REV BY COPtUITS PRUDHOE BAY UNIT 08/27/14 D-14 IMTIAL COMPLETION 09/23/14 TJ/PJC_FINAL ODE AFPROVAL WELL: Y-39 09/02/14 PJC EOW CORRECTIONS 01/05/15 JLS/JMD GLV C/O(12/26/14) PERMT No:"2140730 09/03/14 PJC DRLG DRAFT CORRECTIONS _ AR No: 50-029-23514-00 09/06/14 PJC LNR CORRECTIONS SEC 34, T11 N,R13E, 1222'FNL&685'FWL 09/12/14 PJC CONDUCTOR NFORMATION 09/12/14 PJC 4-1/2"LNR CORRECTION BP Exploration(Alaska) Loepp, Victoria T (DOA) From: Loepp,Victoria T(DOA) Sent Friday,April 17, 2015 8:25 AM To: Worthington,Aras J (Aras.Worthington@bp.com) Cc: Lastufka,Joseph N (Joseph.Lastufka@bp.com) Subject: PBU Y-39 (PTD 214-073, Sundry 315-206) Cement OA Aras, In a sundry submission,the following information is needed: 1. Summary of well history 2. Current well status 3. Diagnostic work completed 4. Objective of work 5. Procedure 6. Well bore schematic Joe can show you an example of a complete 10-403 submission. What do we know about the OA "repressurization issues"? Thanx, Victoria Victoria Loepp Senior Petroleum Engineer State of Alaska Oil&Gas Conservation Commission 333 W 7th Ave,Ste 100 Anchorage,AK 99501 Work (907)793-1247 Victoria Loepp a(�.alaska.gov CONFIDENTIALITY NOTICE:This e-mail message,including any attachments,contains information from the Alaska Oil and Gas Conservation Commission(AOGCC),State of Alaska and is for the sole use of the intended recipient(s).It may contain confidential and/or privileged information.The unauthorized review,use or disclosure of such information may violate state or federal law.If you are an unintended recipient of this e-mail,please delete it,without first saving or forwarding it,and,so that the AOGCC is aware of the mistake in sending it to you,contact Victoria Loepp at(907)793-1247 or Victoria.Loem@alaska.gov 1 Q.eve c 12 *2t-i- ©7 Hunt, Jennifer L (DOA) From: Lastufka,Joseph N <Joseph.Lastufka@bp.com> Sent: Thursday, April 09, 2015 8:27 AM To: Hunt, Jennifer L (DOA) Subject: PBU Y-39/ PTD# 214-073 Hi Jennifer, Please reference the following well: Well Name: PBU Y-39 Permit#: 214-073 API #: 50-029-23514-00-00 Date of Test 1/9/15 SCANNED APR 0 9 2015 Type of Test: IPT (Initial Production Test) Choke Size: 96 Choke Unit: Deg Production Method: Gas Lift Duration (Hours Tested): 6 Top Reference (Top Perf MD): 16465' Bottom Reference (Bottom Perf MD): 20185' Tubing Flowing (Pressure): 300 Casing Pressure: 1360 Total Test(Rate f/O, W, G): 839/ 146 /600 24-Hour Rate (0, W, G): 3356/584/2400 Gravity (Oil, API): 25.8 Deg GOR (Gas-Oil Ratio): 915 This well began Production on: January 6, 2015 Method of Operations on this date: Gas Lift 1 RBDMS j\ APR - 9 2015 Wallace, Chris D (DOA) From: AK, D&C Well Integrity Coordinator <AKDCWellIntegrityCoordinator@bp.com> Sent: Thursday, April 09, 2015 10:16 AM To: AK, OPS GC1 OSM; AK, OPS GC1 Field O&M IL;AK, OPS GC1 Wellpad Lead;AK, OPS Prod Controllers; Cismoski, Doug A; Daniel, Ryan;AK, D&C Well Services Operations Team Lead; AK, D&C Wireline Operations Team Lead;AK, RES GPB West Wells Opt Engr; AK, RES GPB East Wells Opt Engr;AK, OPS Well Pad YP; Odom, Kristine;Wallace, Chris D (DOA) Cc: AK, D&C DHD Well Integrity Engineer;AK, D&C Well Integrity Coordinator;AK, D&C Projects Well Integrity Engineer;AK, OPS FF Well Ops Comp Rep; Sternicki, Oliver R; Regg,James B (DOA) Subject: NOT OPERABLE : Producer Y-39 (PTD#2140730) Attachments: image001jpg; image002.png; image003.png; Producer Y-39 (PTD#2140730) TIO Plot.docx All, Producer Y-39 (PTD#2140730)OA repressurization has been found to be not manageable by bleeds.The well has been reclassified as Not Operable, and is to remain shut in and freeze protected. A copy of the TIO plot is included for reference. Plan forward: 1. Fullbore: OA Injectivity test 2. PE: Evaluate for Outer Annulus down squeeze Please call with any questions. yGp APR 092015 Kevin Parks (Alternate: Laurie Climer) BP Alaska-Well Integrity Coordinator GVVGlobal Wells Organization Office: 907.659.5102 WIC Email:AKDCWeIlIntegrityCoordinator@bp.com • From: AK, D&C Well Integrity Coordinator Sent: Friday, March 13, 2015 12:16 PMS To: AK, OPS GC1 OSM; AK, OPS GC1 Field 6101-TL; AK, OPS GC1 Wellpad Lead; AK, OPS Prod Controllers; Cismoski, Doug A; Daniel, Ryan; AK, D&C Well Services Operatiorrs-Team Lead; AK, D&C Wireline Operations Team Lead; AK, RES GPB West Wells Opt Engr; AK, RES GPB East Wells Opt Engri-AK;.QPS Well Pad YP; Odom, Kristine; 'chris.wallace@alaska.gov' Cc: AK, D&C DHD Well Integrity Engineer; AK, D&C Well Integrity Coordina . • AK, D&C Projects Well Integrity Engineer; AK, OPS FF Well Ops Comp Rep; Sternicki, Oliver R; 'Regg, James B (DOA) (jim.r-:•@alaska.gov)' Subject: UNDER EVALUATION: Producer Y-39 (PTD #2140730) Anomalous OA press 1 � i • Producer Y-39(PTD#2140730)TIO Plot wcra 3000 —510 -10- 2 DX 200. -00 • 000 - OG Qi 000 • Ir-'- Ot05'i 5.-14t5 01,2315 01.15 O20/5 031315 02/2015 eV 030415 031315 031015 0317'15 040315 Image Project Well History File Cover Page XHVZE This page identifies those items that were not scanned during the initial production scanning phase. They are available in the original file, may be scanned during a special rescan activity or are viewable by direct inspection of the file. QLi-t-- - 0 73 Well History File Identifier Organizing(done) /Two-sided ❑ Rescan Needed RESCAN: OVERSIZED: NOTES: Color Items: ❑ Maps: Grayscale Items: Co.gs: ❑ Poor Quality Originals: ❑ Other: ❑ Other: BY: WM Date: 3 ; /s/ We Project Proofing BY: Maria Date: 3 f g /s- /s/ nip Scanning Preparation 5-x 30 = / 5O + 1 =TOTAL PAGES 1 tOL-1- (Count does not include cover sheet) fy BY: `Maria Date: � / u � /s/ Production Scanning Stage 1 Page Count from Scanned File: ,, $ g1 r 5 (Count does include cover eet) Page Count Matches Number in Scanning Preparation: YES NO 3 BY: MD Date: ' ,/ /3--- /s//II p Stage 1 If NO in stage 1, page(s) discrepancies were found: YES NO BY: Maria Date: /s/ Stage 2 Additional Well Reports: YES NO TOTAL PAGES: Digital version appended by: Meredith Michel Date: /s/ Final Page Count: Stage 1 + Stage 2: TOTAL PAGES: Scanning is complete at this point unless rescanning is required. 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N N 1 0 2 0 I rn rn CD CO o 0 co zo- C G O cp ���/// A r-el H C > (o 11 1 1' 'm0 o VI WE a I p m N N a> W -C t CO a) a y Ce 0 5 = 6 > Ez m N w m M c z co a� coo y a7 F F as V p r V p o y Q o o Q o '+'r c c., N U C y V 1 J 'y 0CT:O .2• a)c C07 0 a o a a 2 o E a O E o o I a) u. o 2 0 I O 0 Tauri a' E I I o a 2 1_1 3 3 v a c9 0 U o 0 v Wallace, Chris D (DOA) From: AK, D&C Well Integrity Coordinator <AKDCWellIntegrityCoordinator@bp.com> Sent: Friday, March 13, 2015 12:16 PM To: AK, OPS GC1 OSM;AK, OPS GC1 Field O&M IL; AK, OPS GC1 Wellpad Lead;AK, OPS Prod Controllers; Cismoski, Doug A; Daniel, Ryan;AK, D&C Well Services Operations Team Lead;AK, D&C Wireline Operations Team Lead;AK, RES GPB West Wells Opt Engr; AK, RES GPB East Wells Opt Engr;AK, OPS Well Pad YP; Odom, Kristine;Wallace, Chris D (DOA) Cc: AK, D&C DHD Well Integrity Engineer; AK, D&C Well Integrity Coordinator;AK, D&C Projects Well Integrity Engineer;AK, OPS FF Well Ops Comp Rep; Sternicki, Oliver R; Regg,James B (DOA) Subject: UNDER EVALUATION: Producer Y-39 (PTD#2140730) Anomalous OA pressure Attachments: image001 jpg; image002.png All, Producer Y-39 (PTD#2140730) has exhibited anomalous outer annulus pressure. On 03/05/15 the IA and OA were bled to 0 psi to further evaluate the pressure source for the OA. The IA pressure increased 10 psi and the OA pressure increased 70 psi by 03/11/15 indicating an OA BUR of 12 psi per day. At this time the well has been reclassified as Under Evaluation. Additional diagnostics will be performed with the well online to evaluate the anomalous outer annulus pressure. Plan Forward: 1. DHD: Monitor OA pressure for stabilization pressure Whitney Pettus (Alternate: Kevin Parks) BP Alaska-Well Integrity Coordinator GW OGrgani Weis rgan rat6on WIC Office: 907.659.5102 WIC Email: AKDCWeIlIntegrityCoordinator@BP.com room::_AK, D&C Well Integrity Coordinator Sent: Friday, February 27, 2015 3:17 PM To: AK, OPS GC1 OSM; A1C,OPS GC1 Field O&M TL; AK, OPS GC1 Wellpad Lead; AK, OPS Prod Controllers; Cismoski, Doug A; Daniel, Ryan; AK, D&C Well Services Operations Team Lead; AK, D&C Wireline Operations Team Lead; AK, RES GPB West Wells Opt Engr; AK, RES GPB East Wells Opt Engr; AK, OPS Well Pad YP; Odom, Kristine; 'chris.wallace@alaska.gov'; 'Regg, James B (DOA) (jim.regg©alaska.gov)' Cc: AK, D&C DHD Well Integrity Engineer; AK, D&C Projects Well Integrity Engineer; AK, OPS FF Well Ops Comp Rep; Sternicki, Oliver R Subject: NOT OPERABLE: Producer Y-39 (PTD #2140730) Anomalous OA pressure All, 1 • 1 Wallace, Chris D (DOA) From: AK, D&C Well Integrity Coordinator <AKDCWellIntegrityCoordinator@bp.com> Sent: Friday, February 27, 2015 3:17 PM To: AK, OPS GC1 OSM; AK, OPS GC1 Field O&M TL; AK, OPS GC1 Wellpad Lead; AK, OPS Prod Controllers; Cismoski, Doug A; Daniel, Ryan; AK, D&C Well Services Operations Team Lead; AK, D&C Wireline Operations Team Lead; AK, RES GPB West Wells Opt Engr; AK, RES GPB East Wells Opt Engr; AK, OPS Well Pad YP; Odom, Kristine; Wallace, Chris D (DOA); Regg, James B (DOA) Cc: AK, D&C DHD Well Integrity Engineer; AK, D&C Projects Well Integrity Engineer; AK, OPS FF Well Ops Comp Rep; Sternicki, Oliver R Subject: NOT OPERABLE: Producer Y-39 (PTD #2140730) Anomalous OA pressure Attachments: image001.jpg All, Producer Y-39 (PTD#2140730) has continued to exhibit anomalous outer annulus pressure. At this time, the well has been reclassified as Not Operable until the pressure source can be properly identified. Additional diagnostics will continue with the well in this status. Please call with any questions. Thank you, Laurie Climer (Alternate:Kevin Parks) BP Alaska-Well Integrity Coordinator GE j Goin"I trvclf�; �(� Orgarnzai'o.i WIC Office: 907.659.5102 WIC Email: AKDCWelIIntegrityCoordinatorPBP.com From: AK, D&C Well Integrity Coordinator Sent: Tuesday, February 03, 2015 1:57 PM To: AK, OPS GC1 OSM; AK, OPS GC1 Field O&M TL; AK, OPS GC1 Wellpad Lead; AK, OPS Prod Controllers; Cismoski, Doug A; Daniel, Ryan; AK, D&C Well Services Operations Team Lead; AK, D&C Wireline Operations Team Lead; AK, RES GPB West Wells Opt Engr; AK, RES GPB East Wells Opt Engr; AK, OPS Well Pad YP; Odom, Kristine; 'chris.wallace@alaska.gov'; 'Regg, James B (DOA) (jim.regg@alaska.gov)' Cc: AK, D&C DHD Well Integrity Engineer; AK, D&C Well Integrity Coordinator; AK, D&C Projects Well Integrity Engineer; AK, OPS FF Well Ops Comp Rep; Sternicki, Oliver R Subject: UNDER EVALUATION: Producer Y-39 (PTD #2140730) Anomalous OA pressure All, Producer Y-39 (PTD#2140730) outer annulus has started exhibiting anomalous outer annulus pressure trends. As the recent gas samples have not definitively fingerprinted the source,the well has been reclassified as Under Evaluation for a. • additional diagnostics. The well had a MIT performed on the outer annulus during the drilling program to 3,500 psi on July 7, 2014 and a MIT-IA to 3,700 psi on August 27, 2014, demonstrating competent casing. Plan Forward: 1. DHD: Monitor OA pressure for stabilization pressure 2. PE:Additional diagnostics and testing as needed During the course of the diagnostics,the outer annulus pressure may exceed the current MOASP of 1,000 psi, however will be maintained below 2,000 psi, and will be monitored by DHD. A copy of the TIO plot and wellbore schematic have been included for reference. Please call with any questions. Thank you, Laurie Climer (Alternate. Jack Diehrou') BP Alaska-Well Integrity Coordinator GWG!o:}aiWells Y Y Orgarnzat:on WIC Office: 907.659.5102 WIC Email: AKDCWelIIntegrityCoordinator@BP.com 2 2_‘ -a-t 3 2-53(61 WELL LOG TRANSMITTAL DATA LOGGED 2 i Sizoi� M.K.BEND R To: Alaska Oil and Gas Conservation Comm. January 14, 2015 Attn.: Makana Bender 333 West 7th Avenue, Suite 100F` 7 Anchorage, Alaska 99501 FEB 0 5 7.015 RE: CAST/CBL-M: Y-39 Run Date: 7/23/2014 The technical data listed below is being submitted herewith. Please address any problems or concerns to the attention of: Fanny Sari, Halliburton Wireline &Perforating, 6900 Arctic Blvd., Anchorage, AK 99518 Y-39 Digital Log Image files 1 CD Rom 50-029-23514-00 Cement Bond Log 1 Color Log 50-029-23514-00 PLEASE ACKNOWLEDGE RECEIPT BY SIGNING AND RETURNING A COPY OF THE TRANSMITTAL LETTER TO THE ATTENTION OF: Halliburton Wireline &Perforating Attn: Fanny Sari 6900 Arctic Blvd. Anchorage, Alaska 99518 Office: 907-273-3572 Fax: 907-273-3535 FRS_ANC@halliburton.com Date: Signed:MAL-04x-,17) 6 ) Wallace, Chris D (DOA) From: AK, D&C Well Integrity Coordinator <AKDCWellIntegrityCoordinator@bp.com> Sent: Tuesday, February 03, 2015 1:57 PM To: AK, OPS GC1 OSM; AK, OPS GC1 Field O&M TL; AK, OPS GC1 Wellpad Lead; AK, OPS Prod Controllers; Cismoski, Doug A; Daniel, Ryan; AK, D&C Well Services Operations Team Lead; AK, D&C Wireline Operations Team Lead; AK, RES GPB West Wells Opt Engr; AK, RES GPB East Wells Opt Engr; AK, OPS Well Pad YP; Odom, Kristine; Wallace, Chris D (DOA); Regg, James B (DOA) Cc: AK, D&C DHD Well Integrity Engineer; AK, D&C Well Integrity Coordinator; AK, D&C Projects Well Integrity Engineer; AK, OPS FF Well Ops Comp Rep; Sternicki, Oliver R Subject: UNDER EVALUATION: Producer Y-39 (PTD #2140730) Anomalous OA pressure Attachments: image001.jpg; Y-39 TIO Plot 02-03-15.docx; Y-39 Wellbore Schematic.pdf All, Producer Y-39 (PTD#2140730) outer annulus has started exhibiting anomalous outer annulus pressure trends. As the recent gas samples have not definitively fingerprinted the source, the well has been reclassified as Under Evaluation for additional diagnostics. The well had a MIT performed on the outer annulus during the drilling program to 3,500 psi on July 7, 2014 and a MIT-IA to 3,700 psi on August 27, 2014, demonstrating competent casing. Plan Forward: 1. DHD: Monitor OA pressure for stabilization pressure 2. PE: Additional diagnostics and testing as needed During the course of the diagnostics,the outer annulus pressure may exceed the current MOASP of 1,000 psi, however will be maintained below 2,000 psi, and will be monitored by DHD. A copy of the TIO plot and wellbore schematic have been included for reference. Please call with any questions. Thank you, Laurie Climer (Alternate:Jack Disbrow) BP Alaska-Well Integrity Coordinator GING:obal Wei Is Organizat:oq WIC Office: 907.659.5102 WIC Email: AKDCWelllntegrityCoordinator@BP.com 1 Producer Y-39 (PTD#2140730) TIO Plot 02/03/2015 Well:Y-39 3[Y tT —•--w OA 00A —4—000A - On _144.411r 1'2314 ,1'15,. 1,2214 1124'4 '27)6 2'11 1,.. 122. 03'S 011''"15 :12315 013115 TREE= 4-1/16"CNV VVH LI-LAD= RC ■VSAFE. .3TES: WELL -3 9 MAX DOGLEG 16.3 1 8(of:70" 15805'•" ACTUATOR= BAKER C OKE.13_E1/= 88.2' BF.ELEV= 50.7' 514' H9-5/8'TAM PORT COLLAR KOP= 4598' Mex Angle= 114'@ 16167' ' 2506' —i 4-1/2'HES X NP,D=3.813' Datum MD= 15374" Datum TVD= 8800 SS GAS LFT MANDRELS 20"INSULATED CONDUCTOR 119' ST MD DEV TY FE VLV LATCH PORT DATE 91.5#,A-53,D=19.124' 8 5527 3I5-1:- 504 64 KG82 DOME BK 16 12/26/14 7 8923 4997 63 KGB4 DM' BK 0 08/24/14 9-5/8"CSG,40#,L-80 BTC,D=8.835' H 4598' 6 10950 5898 64 KGB4 SO BK 20 12/26/14 5 12191 6447 63 KGB4 DMY BK 0 08/24/14 Minimum ID = 3.725" @ 15189' 4 13223 6988 45 KGB4 DMY BK 0 08/24/14 4-112" HES XN NIPPLE 3 13837 7493 26 KGB4 DMY BK 0 08/24/14 2 14370 7975 25 KGB4 DMY BK 0 08/24/14 1 14693 8269 24 KGB4 DMY BK 0 08/24/14 TOP OF CEMENT --I 13882' SP 15018' _H4-1/2"HES X NP,D=3.813" A ti 15047' 4-1/2"SGM-NDPG-CA SNGLE DROP SA PPHRE GA UGE,D=3.813" e- ell 15084' 17'X 4-1/2'HES TNT PKR,D=3.856" e. ■ 1N►, 15119' H4-1/2"HES XNP,D=3.813' ■ I.11 .I1 15189 H4-1/2'HES XN NP,ID=3.725' �JP I 8 15201' F-7'X 5'BKR HRD-E ZXP LTP w/TEBK,D=4.34" le TOP OF 4-1/2'LNR 15201' ` \i 15207' H4-1/2"WLEG,D=3.958" 4-1/2'TBG,12.6#,13CR-80 VAM TOP, 15207' ►i1'bi• o ► +� H ui v 11 NOT LOGGED 0152 bf,D=3.958' A`� c P (�% 4� !+ 15225' H 7'X 5"DG BKR FLIX LOCK HGR,D=4.32' 4j Vt �jii 15235' —15"X4-1/2"XO,ID=3.92" 7I" 'I !►I1``1 7'CSG,261t,L-80 VAM TOP HC, 15385' e 116,1e 41 .0383 bpf,D=6.276' , %it Ilk Ill A\I PERFORATION SUMMARY 4' III '4° REF LOG:MWD ON 08/21/14 # ANGLE AT TOP PERF 101'@ 16465' '4° III Note:Refer to Roduction OB for historical perf data4+1 'I' I_. 17553' H4-1/2"PUP JOINT w/RA TAG SIZE SPF INTERVAL Opn/Sqz SHOT SQZ • 4-1/2" 6 16465-16800 0 08/25/14 I VIlig 4-1/2" 6 16930-17750 0 08/25/14 I' 18832' H4-1/2"PUP JOINT w/RA TAG 4-1/2" 6 19610-19850 0 08/25/14 e 4-1/2' 6 20055-20185 0 08/25/14 4 ■ 4, I :i: t ■I IA PBTD — 20192' I 4-1/2"LNR,13.5#, 13CR-80 HY DRL 521, H 20278' ./ '4'4'4'4'4'/ .0150 bpf,D=3.958' DATE REV BY CONSENTS DATE FEV BY COMMENTS PRUDHOE BAY INT T 08/27/14 D•14 PARTIAL COMPLETION 09/23/14 TJ/PJC FINAL ODE APPROVAL VVELL Y-39 09/02/14 PJC EOW OORF EC11ONS 01/05/15 JLS/JNID GLV C/O(12/26/14) PERMT No:' 140730 09/03/14 PJC DRLG DRAFT CORRECTIONSAR No: 50-029-23514-00 09/06/14 PJC LNR CORRECTIONS SEC 34,T11 N,R13E,1222'F t'L 8 685'FIA L 09/12/14 PJC COrCUCTOR INFORMATION 09/12/14 PJC 4-1/2"LNR CORRECTION BP Exploration(Alaska) Hunt, Jennifer L (DOA) From: Lastufka,Joseph N <Joseph.Lastufka@bp.com> Sent: Tuesday, January 13, 2015 8:39 AM To: Hunt, Jennifer L(DOA) Subject: PBU Y-39/ PTD# 214-073 Hi Jennifer, Please reference the following well: Well Name: PBU Y-39 Permit#: 214-073 API #: 50-029-23514-00-00 Date of Test: 1/9/15 Type of Test: IPT (Initial Production Test) Choke Size: 96 Choke Unit: Deg Production Method: Gas Lift Duration (Hours Tested): 6 Top Reference (Top Perf MD): 16465' Bottom Reference (Bottom Perf MD): 20185' Tubing Flowing (Pressure): 300 Casing Pressure: 1360 Total Test(Rate f/O, W, G). 839/ 146 /600 24-Hour Rate (0, W, G). 3356/584/2400 Gravity (Oil, API): 25.8 Deg GOR (Gas-Oil Ratio): 915 This well began Production on: January 6, 2014 Method of Operations on this date: Gas Lift 1 RBDMS JAN 1 3 2015 Z."4 - 013 2.5m Schlumberger Trans#: 25NOV14-NG02 Drilling &Measurements DATA LOGGED MWD/LWD LogProduct DeliveryM.K. NDE M.K.BENDER Customer: BP Exploration (Alaska) Inc. Dispatched To: Makana Bender Well No: Y-39 Date Dispatched: 25-Nov-14 Job#: 14AKA0149 Dispatched By: Nathan Green Well/ Product Hardcopy Digital Copy E-Delivery Date Final Field Data 2inMD 1 1 5inMD 1 1 2 in TVD 1 1 5 in TVD 1 1 Survey- - - — � � -- -- - 1 1 DLIS/LAS Data 1 CD N0V 2 5 1 - - ADGCC Please sign and email a copy to:Please sign and email/fax a copy to: Analisa Steger@bp.com AlaskaPTSPrintCenter(aslb.com Nathan Green Analisa Steger Fax: 907-561-8317 Received By: I5e4fu4t 0 A o m . .u0' W rOHNCD *^nc)30 0 0 o c c m o 1 5 4tp 3 j fNi j o O D'�`� o C O w -0 0 orm o9,m - P.' ✓ 1:XT m tiZ o W p o C V m` m', 3 m A X 2 O oq N AA N NNNNN NNNNN NN+++ ++ + + + D '% wW 0 0J004 WNN+ O0002 0JMNA WIN-LOW 0MMJJ 0NAWN _+ J A NmMJJ MMMN0 00-*04 NNwW AANN0 W W OM W -LN NNM J N 0 0 W m • 0 O 03 0 0 0 0 j M M O 0+0 40 0 N M W 6 W O0 A 0 A 400'40 J N O M 40000 N 3 ' N 03-.00W 0 0 N W W W N+O N O 0 W J M.-.N.6 JOA 020 -,W044 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0..0 N O+Z Z Z 0 D{N{{{m 0 D J -.0000a10. 204,0046 O W NWO0pOOC0N D d C 0JAN MN W^ M0g u WA -OW WA ODN O a { N co MMMMM OMMMN 00044 AAWWW NNN++ + N 0°.";-.N 4 W 0, N .4.6t.. 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Dispatched To: Makana Bender Well No: Y-39PB1 Date Dispatched: 25-Nov-14 Job#: 14AKA0149 Dispatched By: Nathan Green Well / Product Hardcopy Digital Copy E-Delivery Date Final Field Data — 2 in MD 1 1 5inMD 1 1 2inTVD 1 1 5 in TVD 1 1 Survey jCE1VED_ 1 1 DLIS/LAS Data 1 CD NO 2 5 Zp14 1 Please sign and email a copy to: Please sign and email/fax a copy to: Analisa Steger(a�bp.com AlaskaPTSPrintCentert slb.com Nathan Green Analisa Steger Fax: 907-561-8317 Received By: G ✓ v 6,41 O A o <G)n o o c c>o FNTnM m. 3.z L. - .._- * m 3 a H m m o 'm o co m 8g5 o o`5> `� o c '�Z o m a . =v m n F o m a r :b 3 6:A 0 N N CO) !" lag N =o g 2 o W s o - e S --s.5! ?, m 4Alt 4.0 A o 0 0 o— om A N N N N N N N N N+++ + + D 12' W M A W NNN+ O w Co w a VMO 4 W N+O. w..N V O m A W N + 2 w NN Co CO MN w0 -,Co A N N W W A a N M m W W O M W 4 A m m M J N a W O O O O OM 0 0 O co+0 0 W N Co W O WO)A ro n A O O V O V N CD O 400.0 ra w W ..-..w-.4 O+N W V en:.... 41 M+J Ut 60600 O-.OOO O O O m 0-3 m 3 ® Q .c.) w W N+0 N O m M, .-404m +W O A A O O O O O O O O O O O O O O O 5 O N O+Z Z Z {m{{{T M> ,w p1 v 0 top-W 0 W W T 2 tcD w^ OA W N ._..0.;j0. - .....0. p.O O W T d r ro 0 S c (/, lVrn W N DI r W A A Oi D N j j r A ` CTS � W m ONNO V A NN V N A A V W O to NOM A (A-•10 JO CCCN-. 00000 O m A A, a J ro O •`�'"II ^) >Jm+NN M M.o.. 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V• O SRSN3 NNS a m m°ra NMO 0 E¢80.gi$O ZM �r ai aim r6.44. rr S Q"04AVO N AAAA AAAA Amm ANNA o8 m 0 tcN I- 1 o 2 8�i'i NY. y0 W q Q 0 -JI- s m a 6 a♦ = Nm a) 9 0 Z. 0 .O�fOM a,fN O WAAaa'o O C Nm .Si C° M NN°Orr M MMof1MA AMAAM An.AAA 0 a fG LL N m 1 p a y . 0M V 0 yr Otm'f Nm8 moven. cos,oi•mN 420.:j UJ A ma.tl a 4O 464 m M.N OM III X .n O M M NN A A 0 0 O m pN A r 0 t 0 8 %V f f Y 4:74:74 /f.O N NO N O 3 N 1111 o RECEIVED STATE OF ALASKA SEP 2 5 2014 ALASYw OIL AND GAS CONSERVATION COlvinAISSION WELL COMPLETION OR RECOMPLETION REPORT AND LOG la. Well Status: •®Oil 0 Gas 0 SPLUG 0 Other ❑Abandoned ❑Suspended 1b. Well Class 20AAC 25.105 20AAC 25.110 0 Exploratory 0 Stratigraphic El GINJ 0 WINJ ❑WAG 0 WDSPL 0 Other No.of Completions One ® Development 0 Service 2. Operator Name: 5. Date Comp.,Susp.,or Aband.: 12. Permit to Drill Number: BP Exploration (Alaska) Inc. 8/27/2014 • 214-073 • 3. Address: 6. Date Spudded: 13. API Number: P.O. Box 196612,Anchorage,Alaska 99519-6612 6/30/2014 • 50-029-23514-00-00 • 4a. Location of Well(Governmental Section): 7. Date T.D. Reached: 14. Well Name and Number: Surface: 8/18/2014 . PBU Y-39 ' 4058' FSL,4595' FEL, Sec. 34,T11 N, R13E, UM 8. KB(ft above MSL) 88.20' 15. Field/Pool(s) Top of Productive Horizon: 1987' FNL, 1559' FEL, Sec. 09, T1ON, R13E, UM GL(ft above MSL): 48.6' . Prudhoe Bay/Prudhoe Bay • Total Depth: 9. Plug Back Depth(MD+TVD) 4534' FNL, 1832' FWL, Sec. 10, T1ON, R13E, UM 20192'• 9048' 4b. Location of Well(State Base Plane Coordinates, NAD 10.Total Depth(MD+TVD) 16. Property Designation: Surface: x- 645497• y- 5949047 ' Zone- ASP4 20280' •• 9041' . ADL 028287&047471 TPI: x- 643495 y- 5937682 Zone- ASP4 11.SSSV Depth(MD+TVD) 17. Land Use Permit: Total Depth:x- 646939 Y- 5935201 Zone- ASP4 None 18. Directional Survey: ®Yes 119.Water depth, if offshore: 20. Thickness of Permafrost(TVD): ❑ No (Submit electronic and printed information per 20 AAC 25.050) N/A ft MSL 1970' 21. Logs Obtained (List all logs here and submit electronic and printed information per 20 AAC 25.071): 22. Re-Drill/Lateral Top Window MD/TVD: MWD/GR/RES, MWD/GR/RES, MWD/GR/RES/NEU/DEN/SonicScope, CBL N/A 23. CASING, LINER AND CEMENTING RECORD SETTING DEPTH MD SETTING DEPTH TVD HOLE AMOUNT CASING WT. PER FT. GRADE TOP BOTTOM TOP BOTTOM SIZE CEMENTING RECORD PULLED _ 20" 91.5# A-53 41' 121' 41' _ 121' 42" 260 sx Arctic Set(Approx.) 9-5/8" 40# L-80 40' 4598' 40' 3068' 12-1/4" 2149 sx LiteCrete.220 sx Class'G' 441 sx LiteCrete 7" 26# L-80 38' 15385' 38' , 8898' 8-3/4" 84 sx LiteCrete, 121 sx Class'G' 4-1/2" 13.5# 13Cr80 15201' 20278' 8732' 9041' 6-1/8" 452 sx Class'G' 24. Open to production or injection? ®Yes 0 No 25. TUBING RECORD If Yes, list each interval open SIZE DEPTH SET(MD) PACKER SET(MD/TVD) (MD+TVD of Top&Bottom; Perforation Size and Number): 4-1/2"Gun Diameter,6 spf 4-1/2", 12.6#, 13Cr80 15207' 15084'/8626' 26. ACID, FRACTURE,CEMENT SQUEEZE, ETC. 16465'-16800' 9053'-9032' I 2WAS HYDRAULIC FRACTURING USED DURING COMPLETION?❑ Yes ®No • 16930'-17750' 9032'-9061' 19610'-19850' 9054'-9060' .; DEPTH INTERVAL(MD) AMOUNT AND KIND OF MATERIAL USED 20055'-20185' 9059' 9048' 721 ...... 2200' Freeze Protect w/81 Bbls Diesel 27. PRODUCTION TEST Date First Production Method of Operation(Flowing,Gas Lift,etc Not on Production N/A Date of Test Hours Tested Production For OIL-BBL: GAS-MCF: WATER-BBL: CHOKE SIZE: GAS-OIL RATIO: Test Period Flow Tubing Casing Press: Calculated OIL-BBL: GAS-MCF: WATER-BBL: OIL GRAVITY-API(CORR): Press. 24-Hour Rate 28. CORE DATA Conventional Core(s)Acquired? 0 Yes ® No . Sidewall Core(s)Acquired? ❑Yes ® No If Yes to either question,list formations and intervals cored(MD+TVD of top and bottom of each),and summarize lithology and presence of oil,gas or water (submit separate sheets with this form, if needed). Submit detailed descriptions,core chips,photographs and laboratory analytical results per 20 AAC 250.071. None ABC MS OCT - 2 201 . Form 10-407 Revised 10/2012 CONTINU D O REVS SE Submit Original Only VVfl 3/ei/i.� l(r�° 29. GEOLOGIC MARKERS(List all formations and m--kers encounter 30 FORMATION TESTS NAME TVD Well Tested? es ®No Permafrost Top 47' 47' If yes,list intervals and formations tested,briefly summarizing test results. Attach separate sheets to this form,if needed,and submit Permafrost Base 2377' 2017' detailed test information per 20 AAC 25.071. Ugnu 6757' 4043' None West Sak 9908' 5437' Coleville Mudstone 10760' 5815' HRZ 13867' 7520' LCU 14100' 7730' Kingak 14120' 7748' Sag River 15382' 8895' Shublik A 15402' 8913' Shublik B 15440' 8946' Shublik C 15461' 8964' Sadlerochit-Zone 4B 15502' 8999' Zone 4A 15687' 9134' Zone 4B(Invert) 16193' 9150' Shublik C 20255' 9043' Formation at Total Depth: Shublik C(From Base) 20255' 9043' 31 List of Attachment. Summary of Daily Drilling Reports, LOT/FIT Summary,Well Schematic Diagram,Surveys, Cement Reports,As-Built 32.I hereby certify that the foregoing is true and correct to the best of my knowledge. Contact: Troy Jakabosk 64-4868 Email: Troy.Jakabosky@bp.com Printed Name: Joe Lastufka As Title. Drilling Technologist Signature. .� Phone 564-4091 Date: 01 /25/1 tJ INSTRUCTIONS General. This form is designed for submitting a complete and correct well completion report and log on all types of lands and leases in Alaska. Submit a well schematic diagram with each 10-407 well completion report and 10-404 well sundry report when the downhole well design is changed. Item 1 a: Classification of Service Wells: Gas Injection,Water Injection,Water-Alternating-Gas Injection,Salt Water Disposal,Water Supply for Injection, Observation,or Other. Multiple completion is defined as a well producing from more than one pool with production from each pool completely segregated Each segregated pool is a completion. Item 4b: TPI(Top of Producing Interval). Item 8: The Kelly Bushing and Ground Level elevation in feet above mean sea level. Use same as reference for depth measurements given in other spaces on this form and in any attachments. Item 13: The API number reported to AOGCC must be 14 digits(ex: 50-029-20123-00-00). Item 20: Report true vertical thickness of permafrost in Box 20. Provide MD and TVD for the top and base of permafrost in Box 28 Item 23: Attached supplemental records for this well should show the details of any multiple stage cementing and the location of the cementing tool. Item 24: If this well is completed for separate production from more than one interval(multiple completion),so state in item 1,and in item 23 show the producing intervals for only the interval reported in item 26. (Submit a separate form for each additional interval to be separately produced, showing the data pertinent to such interval). Item 27: Method of Operation: Flowing,Gas Lift,Rod Pump,Hydraulic Pump,Submersible,Water Injection,Gas Injection,Shut-In,or Other(explain). Item 28: Provide a listing of intervals cored and the corresponding formations,and a brief description in this box. Submit detailed description and analytical laboratory information required by 20 AAC 25.071. Item 30: Provide a listing of intervals tested and the corresponding formation,and a brief summary in this box. Submit detailed test and analytical laboratory information required by 20 AAC 25.071. Form 10-407 Revised 10/2012 Submit Original Only TREEC TREE= 4-1/16" NV 'I Ji ,D= RC Y-39 SAFE- )TES: WELL ANGLE>70°@ 1 5805'••• ACTUATOR= MAX L _.EG:16.3°@ 1 58 50 • OKB.ELEV= 88.2' BF.ELEV= 50.7' • - 514' H9-518"TAM FORT COLLAR KOP= 4598' :.� Max Angle= 114'@ 16167' * Et 2506' —4-1/2"HES X NP,D=3.813" Datum MD= 15374' .•-1, Datum ND= 8800'SS •.•• + GAS LFT MANDRELS 20"INSULATED CONDUCTOR 119' IK ST MD ND DEV TYPE VLV LATCH PORT DATE H91.5#,A-53,D=19.124' 8 5527 3504 64 KGR2 DCK BEK 08/24/14 7 8923 4997 63 KGB4 DMY BK 0 08/24/14 9-5/8"CSG,40#,L-80 BTC,D=8 835" H 4598' 6 10950 5898 64 KGB4 DMY BK 0 08/24/14 5 12191 6447 63 KGB4 DMY BK 0 08/24/14 Minimum ID = 3.725" @ 15189' 4 13223 6988 45 KGB4 DMY BK 0 08/24/14 4-1/2HES X N NIPPLE 3 13837 7493 26 KGB4 DMY BK 0 08/24/14 �• 2 14370 7975 25 KGB4 DMY BK 0 08/24/14 1 14693 8269 24 KGB4 [MY BK 0 08/24/14 TOP OF CHVIENT —{ 13882' . ►w ► , 15018' —{4-112'HES X NP,ID=3-813" v.4, t r.+ ►+ 15047' —4-1/2"SGM-NDPG-CA SNGDROP r•.+ SA FR IRE GAUGE D=S 3.813LE" ►.4 15084' —7"X 4-1/2"HES TNT PKR,D=3.856' it 15119' —I4-1/2"HES XNP,D=3.813" 15189' --{4-1/2"HES XN NP,D=3.725" ►t , ►+ 15201' F—I 7"X 5"BKR I-RD-E ZXP LTP w/TEBK,D=4.34" i WD TOP OF 4-1/2"LNR -I 15201' — `� ��4 15207' H4-1/2" LEG, =3.958" 4-1/2"TBG, 12.6#,13C R-80 VAM TOP, —{ 15207' Y II' —j EL IAD TT NOT LOGGED .0152 bpf,D=3.958" -'' .' 15225' --17"X 5'DG BKR FLEX LOCK HGR D=4.32" ;h.*f + 15235' —{5"X 4-112"XO,D=3.92" 7"CSG,26#,L-80 VAM TOP HC, H 15385' t' _* 0383 bpf,ID=6.276" ,.r •.+ FERFORAT1ON SUMMARY *` t•+ REF LOG:MWD ON 08/21/14 V.:4, 111 ANGLE AT TOP PERF 101°@ 16465' ;* Note:Refer to Roduction DB for historical perf data 4%.4 �:, SIZE SR= INTERVAL OpnlSgz SHOT SQZ * ♦; 17553' -�4-1/2"FUPJOfYTw/RA TAG; 4-1/2" 6 16465- 16800 0 08/25/14 +.+. + 4-1/2" 6 16930- 17750 0 08/25/14 ;* •*; 18832' —4-1/2"FLP JOINT w/RA TAG 4-1/7 6 19610- 19850 0 08/25/14 , 1`>' v.' 4-1/2" 6 20055-20185 0 08/25/14 +'.t N.+1 +'.# .,+4.i. ' .,'4,' FBTD — 20192'j ; ,• 14,41$ ."J 1.WWW.M.M.�1 4-1/2"LNR,13.5#, 13CR-80 HYDRI.521, —I 20278' :+ .0150 bpf,D=3.958" DATE REV BY COMMENTS DATE REV BY COMMENTS PRUJHOE BAY UNIT 08/27/14 D-14 IMTIAL COMPLETION 09/23/14 TJ/PJC FINAL ODEAPPROVAL WELL: Y-39 09/02/14 PJC EOW COFiRECCT10NS FtRMT No:' 140730 _ 09/03/14 PJC DRLG DRAFT CORRECTIONS AR No: 50-029-23514-00 09/06/14 PJC LNR CORRECTIONS SEC 34,T11N,R13E, 1222'FNL 8 685'FWL 09/12/14 PJC CONDUCTOR INFORMATION 09/12/14 PJC 4-1/2"LNR CORRECTION BP Exploration(Alaska) BP AMERICA LOT/ FIT Summary Well Name: Y-39 Surface Leak Off Test Test Test Depth Test Depth AMW Pressure Pressure EMW Date Type (TMD-Ft) (TVD-Ft) (ppg) (psi) (BHP) (psi) (ppg) 07/08/14 LOT 4,596.33 3,066.40 9.40 888.00 2,385.36 14.97 08/12/14 FIT 15,407.00 8,921.88 8.50 900.00 4,839.54 10.44 Page 1 of 1 North America-ALASKA-BP Page 1 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 6/28/2014 00:00 - 06:00 6.00 MOB P PRE PREPARE FOR RIG MOVE FROM SUMMER MAINTENANCE ON Y-PAD TO Y-39 NEW DRILL -SKID FLOOR LAY DOWN DERRICK DISCONNECT INTERCONNECTS BEGIN SEPARATING MODULES ***COMPLETE ANNUAL MAINTENANCE AT 00:00 6-28-2014. "'SWITCH TO Y-39 DON EVENT 06:00 - 12:00 6.00 MOB P PRE BEGIN MOVE FROM SE CORNER OF Y-PAD TO Y-39 NEW DRILL CONTINUE STAGING PIPE SHED AND SUB FOR TRUCKS MOBILIZE CASING,POWER,PUMP,PITS AND PIPE SHED COMPLEXES VIA TRUCKS TO END OF Y-PAD -ATTACH JEEP TO SUP AND STAGE FOR MOVE -STACK RIG MATS IN PREPARATION FOR PAD PREP WITH GRADER 12:00 - 15:00 3.00 MOB P PRE GRADE AND LEVEL PAD FOR RIG UP ON Y-39 SIMOPS:PAINT WELDS WHICH WERE INSPECTED FOR MPI ON MAINTENANCE 15:00 - 16:00 1.00 MOB P PRE SPOT PART SHEDS ON Y-PAD 16:00 - 19:00 3.00 MOB P PRE LAY MATS ON Y-39 -LAY MATS FOR SPOTING MODULES OVER Y-39 CONDUCTOR 19:00 - 19:30 0.50 MOB P PRE MOVE PIT COMPLEX -HOOK UP TO PIT COMPLEX WITH SOW 19:30 - 21:30 2.00 MOB N WAIT PRE REPAIR FLAT TIRE ON SOW -NOTICE FLAT TIRE WHEN PREPARING TO MOVE PIT COMPLEX -CHANGE OUT TIRE ON SOW 21:30 - 00:00 2.50 MOB P PRE CONTINUE SPOTTING RIG MODULES OVER Y-39 -STAGE PIT AND POWER COMPLEX AND SET ON SUSPENSION -PLACE WELLHEAD EQUIPMENT BEHIND Y-39 CELLAR -STAGE SUB,REMOVE JEEP -WALK SUB INTO PLACE 6/29/2014 00:00 - 06:00 6.00 MOB P PRE MOVE MODULES INTO PLACE OVER Y-39 -SPOT AND LEVEL SUB OVER WELL -SPOT PIPE SHED MODULE AND PIN TO SUB -LAY MATS FOR CASING SHED MODULE -SPOT CASING SHED MODULE WITH TRUCKS WALK MODULES INTO PLACE Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 2 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(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 RIGU P PRE MIRU OVER Y-39 CELLAR&CONDUCTOR -CONTINUE WALKING IN CASING SHED AND PIN TO PIPE SHED -RAISE DERRICK I-SKID RIG FLOOR TO DRILLING POSITION AND SECURE FLOOR PLATES -INSTALL HANDRAILS,GRADING AND SKID CYLINDERS -SIMOPS:BEGIN STRAPPING 5"DP FOR SPUD 12:00 - 14:30 2.50 RIGU P PRE MIRU OVER Y-39 CELLAR -CONNECT SUB AND PUMP INTERCONNECT LINES -SPOOL EXCESS DRILLING LINE -UNPIN BLOCKS AND TD -CONNECT BRIDLE LINES -SCOPE UP DERRICK -UP WT-184K,DWN WT-145K -DISCONNECT AND TIE OFF BRIDAL LINES 14:30 - 17:30 3.00 RIGU P PRE MIRU OVER Y-39 CELLAR -CONTINUE TO CONNECT INTERCONNECT LINES -RIG DOWN SCOPING YOKES -M/U KELLY HOSE -OBTAIN RKB MEASUREMENTS-40.27' LANDING RING TO RIG FLOOR -BRING HANDLING TOOLS UP BEAVER SLIDE -CONTINUE LOADING AND STRAPPING 5"DP IN CASING SHED DRIFT WTH 3-1/8" -BUCK 5"DP DOUBLES IN PIPE SHED -CONTINUE WORK ON BACK UPAMPHION SYSTEM -WORK ON MUD PUMP E-STOP WITH NOV REP 17:30 - 23:30 6.00 RIGU P PRE MIRU OVER Y-39 CELLAR -M/U 21-1/4"HIGH PRESSURE RISER, DIVERTER ELEMENT AND PITCHER NIPPLE -INSTALL JOES BOX(SURFACE FLOW BOX) -INSTALL FLOW RISER,FLOW LINE,FLOW JETS&REMOVE FLOW PADDLES -CONTINUE BUCKING 5"DOUBLES IN PIPE SHED -MAKE UP 16"DIVERTER LINE PER APPROVED AOGCC PERMIT -ENSURE LINE IS>75'FROM IGNITION SOURCE AND WARNING SIGNS IN PLACE. "'RIG ACCEPT AT 1800 HRS 23:30 - 00:00 0.50 RIGU P PRE MIRU OVER Y-39 CELLAR -INSTALL MASTER BUSHINGS -P/U 9.625"MOUSEHOLEAND SET IN TABLE -INSTALL 5"ELEVATORS -CONTINUE BUCKING 5"DOUBLES IN PIPE SHED Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 3 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual©88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 6/30/2014 00:00 - 01:00 1.00 RIGU P PRE MIRU OVER Y-39 CELLAR -CONTINUE BUCK 5"DP DOUBLES IN PIPE SHED -VERIFY PIPE COUNT IN PIPE SHED -VERIFY HI AND LOW TRAVEL STOPS AND CROWN-O-MATIC -CONTINUE MAKING UP 5"DP AND STAND BACK IN DERRICK 01:00 - 03:30 2.50 RIGU P PRE DRILL PIPE MANAGEMENT -CONTINUE MAKING UP 5"DP STANDS AND STAND BACK IN DERRICK 03:30 - 04:30 1.00 RIGU P PRE RIG EVACUATION DRILL -HOLD RIG EVACUATION DRILL -HOLD AAR WITH RIG CREWS -HIGHLIGHT ROLE CALL,CORRECT ROUTES FOR EVACUATION,AND AVOIDANCE OF DIVERTER LINE -HOLD PRE-SPUD MEETING FOR Y-39 WITH CREW 04:30 - 08:30 4.00 RIGU P PRE DRILL PIPE MANAGEMENT-MOBILIZE BHA -CONTINUE MAKING UP 5"DP STANDS AND STAND BACK IN DERRICK -P/U 18JTS 5"HWDP AND STAND BACK IN DERRICK -ENERGIZE ACCUMULATOR SYSTEM AND CHECK FOR LEAKS -MOBILIZE BHA TO PIPE SHED AND RIG FLOOR. -PROGRAM MWD TOOLS IN SHED 08:30 - 09:00 0.50 BOPSUR P PRE -VERIFY DIVERTER AND KNIFE VALVE FUNCTION -CONNECT INJECTION LINE IN PUMP ROOM AND CALIBRATE TOTCO 09:00 - 12:00 3.00 RIGU P PRE -LOAD MUD MOTOR AND JARS IN SHED -CONTINUE TOTCO CALIBRATIONS -MAKE UP JAR STAND AND STAND BACK IN DERRICK 12:00 - 12:30 0.50 BOPSUR P PRE PERFORM DIVERTER FUNCTION TEST -STATE WITNESS WAIVED BY CHUCK SHIEVE -CLOSING TIMES:ANNULAR=34 SECONDS, KNIFE VALVE=16 SECONDS 12:30 - 13:30 1.00 BOPSUR P PRE RIG UP HES SLICKLINE&GYRODATA -MOBILIZE HES AND GYRO/DATA SLICK LINE TOOLS TO RIG FLOOR -RIG UP E-LINE SHEAVES -SIMEOPS:RIG UP WARMUP SHACK Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 4 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual C88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 13:30 - 15:00 1.50 RIGU P PRE FINAL VERIFICATION OF BACK UP AMPHION SYSTEM BEFORE FINAL VERIFICATION,CONFIRM PRIMARY UNIT COULD FUNCTION ALL TOOLS AND E-STOPS FOR MP AND DRILL FLOOR -ALSO CONFIRM E-STOPS ARE FUNCTIONAL ON BACK UP AMPHION SYSTEM -SIMULATE PRIMARY DRILLERS CHAIR GOING"DARK" -WITH THE DRILLERS CHAIR POSSESSING OWNERSHIP OF ALL TOOLS,SIMULATE THE CHAIR GOING DOWN BY PULLING ETHERNET FIBER -TURN AUTHORITY TRANSFER KEY FROM DRILLERS CHAIR TO BACKUP SYSTEM -ONCE OWNERSHIP WAS TRANSFERRED TO AD CHAIR,TOP DRIVE AND RIG FLOOR TOOLS WERE FUNCTIONED SUCCESSFULLY NOTES: -AFTER TURING AUTHORITY TRANSFER KEY, BOTH THE MUD PUMP E-STOP AND DRILL FLOOR E-STOP MUST BE FUNCTIONED (TOGGLED OFF/ON)ON THE BACKUP SYSTEM.THIS TRANSFERS FULL OWNERSHIP FROM THE PRIMARY TO THE BACKUP -MUD PUMP E-STOP IS FULLY FUNCTIONAL REGARDLESS OF PERMISSIONS -DRILL FLOOR E-STOP IS ONLY FUNCTIONAL WHEN OWNERSHIP IS GIVEN -AUTHORITY TRANSFER KEY GIVES OWNERSHIP OF TOP DRIVE AND DRAW WORKS TO BACKUP SYSTEM.ALL OTHER TOOLS CAN HAVE OWNERSHIP I TRANSFERRED WITHOUT TURNING KEY. 1-THE DESIGN OF THE SYSTEM IS SUCH THAT:IF EITHER CHAIR GOES DOWN THE MUD PUMPS CAN NOT BE CONTROLLED 15:00 - 1/00 2.00 RIGU P PRE I MAKE UP BHA#1 -USED 12.25"BIT,MUD MOTOR WITH 1.83 DEG BEND,UBHO,XO -PU HWDP AND TAG BOTTOM OF CONDUCTOR AT 118' 1100 - 17:30 0.50 DRILL P SURF SURFACE PRESSURE CHECK -FILL SURFACE LINES AND CONDUCTOR WITH FRESH WATER 1-INSPECT FOR LEAKS IN DIVERTER"T", KNIFE VALVE,RISER AND FLOW LINE. -INSPECT FOR LEAKS ON ALL SURFACE EQUIPMENT PRESSURE TEST ALL SURFACE MUD LINES AND EQUIPMENT TO 250PSI LOW AND 3500PSI HIGH FOR 5 MIN EACH 17:30 - 18:00 0.50 DRILL P SURF HOLD D3 DIVERTER SHALLOW GAS DRILL -HOLD AAR WITH CREW -HOLD PRE-SPUD PJSM WITH CREW Printed 9/8/2014 12:36 27PM North America-ALASKA-BP Page 5 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 IX3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual©88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 18:00 - 00:00 6.00 DRILL P SURF ,DRILL 12-1/4"SURFACE HOLE F/118'TO 716' MD,714'ND -500 GPM,700PSI ON,550 OFF -40 RP,15K WOB,3K TQ -P/U 69K,S/O 71K,ROT 70 K WITH 1.5K TO -AST=0.87,ART=2.03,ADT=2.9 -MW-8.6 PPG IN/OUT -FIRST GYRO SURVEY AT 220'MD I-SURVEY EVERY STAND FROM 220'ONWARD WITH E-LINE GYRO 7/1/2014 00:00 - 00:30 0.50 DRILL P SURF DRILL 12-1/4"SURFACE HOLE F 716'MD,TO 783'MD 781"TVD -500 GPM,700 PSI ON,550 OFF -40 RPM,15K WOB,3K TQ -P/U 69K,S/O 71K,ROT 70 K WITH 1.5K TQ -MW-8.7 PPG IN/OUT -TAKE GYRO SURVEY 00:30 - 01:00 0.50 DRILL P SURF CIRCULATE BOTTOMS-UP 1 TIMES -500 GPM,550 PSI -0 RPM,0-1K TORQUE -PIPE RECIPROCATED TO MINIMIZE LOCALIZED WASHOUT -RETURNS MIX OF GRAVEL,SAND,CLAY AND WOOD FRAGMENTS MONITOR WELL FOR 10 MINUTES FOR FLOW WHILE SURVEYING:STATIC -MUD WEIGHT:8.7 PPG IN,8.7 PPG OUT 01:00 - 03:30 2.50 DRILL P SURF POOH ON ELEVATORS FROM 783'MD TO 0' MD PU 73K,SOW-72KAT 783'MD -PULLED TIGHT AT 645'MD 30K OVER. ATTEMPT TO WIPE SPOT WITH NO PUMPS OR ROTATION.PULLING WITH 15 K DRAG PULLED TIGHT AGAIN AT 585'40K OVER. -RIH TO BOTTOM OF STAND AND CIRCULATE BOTTOMS UP WHILE MOVING UP THE HOLE. -PUMP OUT AT 450 GPM WITH 522 PSI.NO •SIGNS OF PACKING OFF,STILL DRAGGING 15-20 K. -SAWA 30-40%INCREASE IN CUTTING AT BOTTOMS UP -PUMP ENTIRE STAND.ATTEMPT TO POOH ON ELEVATORS. PULLED TIGHT AGAIN WITH 35K OVER. -KELLY UP AND PUMP OUT WITH ROTATION TO 400' -500 GPM,520 PSI,40 RPM,1-6 K TQ- STRING STILL SHOWING SIGNS OF HANGING UP WITH NO SIGNS OF PACKING OFF. j !MINIMAL CUTTING COMING ACROSS THE SHAKERS. -ATTEMPT TO POOH ON ELEVATORS AT 400' -HOLE SLICK NO DRAG. -POOH F/400'TO SURFACE -RACK BACK HWDP,LD UBHO AND BOTTLE NECK(XO) INSPECT BIT-BIT STILL ATA(1-2)SAME AS IT WENT IN THE HOLE Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 6 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date.6/28/2014 End Date:8/21/2014 'X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) • (usft) 03:30 - 06:30 3.00 DRILL P SURF P/U&RIH WITH 12 1/4"SURFACE BHA#2 -RE-RUN SAME USED 12-1/4"BIT AND MOTOR WITH 1.83 DEGREE MOTOR BEND PU LWD/MWD,NM FLEX COLLARS,JARS. -MONITOR WELL VIA TRIP TANK -RIH TO 610'MD-UNABLE TO WORK PAST OBSTRUCTION AT 610' 06:30 - 09:30 3.00 DRILL P SURF WASH&REAM F/610'MD TO 783'MD -500 GPM,750 PSI,40 RPM,3-6K TQ -MW-8.7 PPG IN/OUT 09:30 - 12:00 2.50 DRILL P SURF DRILL 12-1/4"SURFACE HOLE F/738'TO 938' MD,935'TVD -550 GPM,940PSI ON,800 OFF -30-40 RPM,15-20K WOB,4K TQ -P/U 89K,S/O 89K,ROT 85K WITH 1.5K TQ -AST=0.28,ART=.69,ADT=.97 '-TOTAL BIT HRS-3.87,TOTAL JAR HRS-1.55 -MW-8.7 PPG IN/OUT -GYRO SURVEYS EVERY STAND -RE-INSTALL FLOW LINE PADDLE 12:00 - 00:00 12.00 DRILL P SURF DRILL 12-1/4"SURFACE HOLE F 938'MD,TO 1,697'MD,1,610'TVD 1-505 GPM,830PSI ON,690 OFF -30-40 RPM 15-20K WOB,3-4K TQ P/U 104K,S/O 93K,ROT 97K -AST=6.99,ART=.36,ADT=.7.35 -TOTAL BIT HRS-8.83 -MW-8.7 PPG IN/OUT RIG DOWN GYRO SURVEY AT 1,027' 7/2/2014 00:00 - 12:00 12.00 DRILL P SURF 1 DRILL 12-1/4"SURFACE HOLE F 1,697'MD,TO 2345'MD,2009'TVD -505 GPM,980 PSI ON,690 OFF -40 RPM 30K WOB,8K TQ -P/U 111K,S/O 91K,ROT 100K W/4K TQ AST=4.4,ART=2.17,ADT=6.57 TOTAL BIT HRS-15.41 I-SURVEY EVERY 30'DUE TO GREATER THAN 15 DEG DOG LEG MUD WEIGHT 8.9 PPG WITH 43 LSYP,51 YP -ADD MAKE UP MUD FROM RESERVES TO MAINTAIN LSYP 12:00 - 13:30 1.50 DRILL P SURF CIRCULATE BOTTOMS UP X 3 -RECIPROCATE PIPE FROM 2345'TO 2260' MD 1-550 GPM,40 RPM,4-5K TO, -25%INCREASE IN CUTTINGS INCREASE AT BOTTOMS UP OBTAIN SURVEY ON BOTTOM. -MONITOR WELL 10 MIN PRIOR TO PULLING OFF BOTTOM-WELL STATIC -MW-8.9 PPG IN/OUT Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 7 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor DOYON DRILLING INC. UW:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 13:30 - 16:30 3.00 DRILL P SURF POOH ON ELEVATORS-F/2,345'TO 752' -OFF BOTTOM PUW-112K,SOW-90K,ROT WI-100K,W/4K TQ -MW-8.9 PPG IN/OUT -MONITOR WELL PRIOR TO PULLING BHA THROUGH THE STACK-WELL STATIC - ENCOUNTERED TIGHT HOLE FROM 2,188' MD TO 1,507'MD - WITH DRAG RANGING FROM 15-45 K OVERPULL,PUMPED OUT WITH NO ROTATION, 210 GPM,310 PSI TO 500 GPM, 850 PSI. -PULLED ON ELEVATORS FROM 1,507'MD WITH 5K OVERPULL 16:30 - 18:30 2.00 DRILL P SURF RACK BACK 5"HWDP F/752'TO 193' -PJSM FOR LD BHA RACK BACK DC'S,LAY DOWN UBHO, MWD/LWD,BREAK&LD BIT -MONITOR TRIP ON TRIP TANK -BIT GRADE:4-4-BT-A-E-1-CT-BHA -1/8"UNDER GAUGE 18:30 - 20:30 2.00 DRILL P SURF PU&MU BHA#3 -RIH F/54'TO 189'MD -MAKE UP NEW BIT TO MOTOR -USE SAME MOTOR DIALED BACK FROM 1.83 DEG TO 1.5 DEG -PU NEW MWD/LWD -MONITOR WELL ON TRIP TANK 20:30 - 21:00 0.50 DRILL P SURF RIG SERVICE- -SERVICE TOP DRIVE AND BLOCKS _._.. __. .. 21:00 - 21:30 0.50 DRILL P SURF RIH WITH BHA#3 -RIH WIH 5"HWDP FROM 189'MD TO 748' -MONITOR TRIP ON TRIP TANK -MW-8.9 PPG IN/OUT 21:30 - 00:00 2.50 DRILL P SURF RIH WITH 12-1/4"SURFACE BHA ON 5" DOUBLES FROM PIPE SHED -RIH F/748'MD TO 1853'MD -ENCOUNTERED OBSTRUCTIONS AT 1400' AND 1834'40-50K DRAG -WORK THROUGH OBSTRUCTIONS UTILIZING TIGHT HOLE TRIPPING PRACTICES -5-10 BPM,300-650 PSI, 20 RPM,3-10K TORQUE -ENSURED TIGHT SPOTS COULD BE PASSED WITHOUT PUMPS OR ROTATION 7/3/2014 00:00 - 02:00 2.00 DRILL P SURF RIH WITH 12-1/4"SURFACE BHA ON 5" DOUBLES FROM PIPE SHED -RIH F/1853'MD TO 2345'MD -ENCOUNTERED OBSTRUCTIONS FROM 1853'THROUGH 1925'40-50K DRAG -WORK THROUGH OBSTRUCTIONS UTILIZING TIGHT HOLE TRIPING PRACTICES PROCEDURE -450 GPM,700 PSI, 20 RPM,3-10K TORQUE -TIGHT SPOTS COULD NOT BE PASSED WITHOUT PUMPS OR ROTATION -CONTINUED ON ELEVATORS FROM 1925'TO TD AT 2,345'WITH LITTLE TO NO DRAG. -WASHING LAST 50'TO BOTTOM -450 GPM,920 PSI. Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 8 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 02:00 - 02:30 0.50 DRILL P SURF CIRCULATE BOTTOMS-UP -ROTATE AND RECIPRICATE F/2,345'MD T/ 2,260'MD -550 GPM,1100 PSI -40 RPM,4-5K TORQUE -MW-8.9 PPG IN/OUT 15-20%INCREASE IN CUTTING AT BOTTOMS UP 02:30 - 12:00 9.50 DRILL P SURF DRILL 12-1/4"SURFACE HOLE F 2,345'MD,TO 3,398'MD,2,494'TVD -650 GPM,1530 PSI ON/1420 PSI OFF -100 RPM,10K WOB,9K TQ -P/U 150K,S/O 75K,ROT 106K -SURVEY EVERY STAND WITH MWD -AST=1.62,ART=3.02,ADT=4.64 TOTAL BIT HRS-=4.64 -TOTAL JAR HRS=20.14 MW-8.9 PPG IN/OUT -ADDING MAKE UP MUD FROM RESERVES TO MAINTAIN LSYP 12:00 - 00:00 12.00 DRILL P SURF DRILL 12-1/4"SURFACE HOLE F 2,800'MD,TO TD AT 4,607'MD -650 GPM,1780 PSI ON -100 RPM,25K WOB,11K TQ -P/U 157K,S/O 95K,ROT 116K -AST=2.01,ART=4.46,ADT=6.47 -TOTAL BIT HRS-=11.11 -TOTAL JAR HRS=26.61 -MW-9.1 PPG IN/OUT -ADDING MAKE UP MUD FROM RESERVES TO MAINTAIN LSYP 7/4/2014 00:00 - 02:30 2.50 DRILL P SURF CIRCULATE BOTTOMS-UP 3 TIMES(15,600 STROKES) -650-700 GPM,1590-1650 PSI -80-100 RPM,10K TORQUE. -PIPE RECIPROCATED TO MINIMIZE LOCALIZED WASHOUT -RETURNS MIX OF SAND,CLAY -NO SIGNIFICANT INCREASE IN CUTTINGS AT BU -MONITOR WELL 10 MIN PRIOR TO POOH- WELL STATIC. -MUD WEIGHT:9.1 PPG IN,9.1 PPG OUT Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 9 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 02:30 - 09:30 7.00 DRILL P SURF WIPER TRIP:POH ON ELEVATORS FROM 4,607'MD TO 2,324'MD - P/U 161K,S/O 93K,ROT-116K W/11 K TO -MUD WEIGHT:9.1 PPG IN,9.1 PPG OUT 20-30K OVERPULL AT 4,445'&4,050'MD- WIPED CLEAN -WIPE TIGHT SPOTS CLEAN UNTIL NO OVERPULL OBSERVED -PULLED TIGHT AT 3,875'WITH 45K OVERPULL-ATTEMPTED TO WIPE CLEAN 5-6 TIMES.UNSUCESSFULLY-APPEARS TO BE CUTTINGS BED DRAGGING UP THE HOLE. -TIH TWO TWO STANDS AND CIRCULATE -650 GPM,1568 PSI,100 RPM,9K TQ -PULL OUT OF HOLE TWO STANDS WHILE CIRCULATING BOTTOMS UP IN ORDER TO NOT WASH OUT THE HOLE. -650 GPM,1600 PSI,100 RPM 9K TQ -MONITOR DISPLACEMENT VIA TRIP TANK WHEN ON ELEVATORS. 09:30 - 12:00 2.50 DRILL P SURF WIPER TRIP: -RIH WITH 12 1/4"DRILLING BHA#3 FROM 2,324'MD TO 4,607'MD -RIH ON ELEVATORS PICKING UP 5"DP STANDS FROM THE DERRICK -MONITOR DISPLACEMENT VIA TRIP TANK. WELL GAVE PROPER DISPLACEMENT MADE NOTIFICATION TO THE AOGCC FOR UP COMING BOPE PRESSURE TEST. 12:00 - 13:30 1.50 DRILL P SURF CIRCULATE BOTTOMS X 2.5 -650 GPM,1800 PSI -100 RPM,8K TORQUE. -PIPE RECIPROCATED AND ROTATED FROM 4,607'TO 4,535'MD TO MINIMIZE LOCALIZED WASHOUT -RETURNS MOSTLY SAND AND FINES.SMALL AMOUNT OF CLAY. -NO SIGNIFICANT INCREASE IN CUTTINGS AT BOTTOM UP. -MW-9.2 PPG IN/OUT 13:30 - 18:00 4.50 DRILL P SURF POH ON ELEVATORS FROM 4,607'MD TO 748' MD -MONITOR WELL FOR 10 MINUTES FOR FLOW:STATIC -MUD WEIGHT:9.2 PPG IN,9.2 PPG OUT -P/U 156K,S/O 94K,ROT-116K W/8K TQ -MONITOR DISPLACEMENT VIA PITS AND 2-3, WELL TOOK PROPER DISPLACEMENT -ENCOUNTERED TIGHT SPOTS AT: -2,143',2,015',2,070'MD PUMPED OUT PAST OBSTRUCTIONS AT 211 GPM,350 PSI WIPED CLEAN MADE FINAL PASS WITH NO PUMPS -PULLED OUT ON ELEVATORS FROM 2,070' TO 748' -HOLE SLICK NO OVERPULL ENCOUNTERED Printed 9/8/2014 12:36 27PM North America-ALASKA-BP Page 10 of 77 Operation Summary Report Common Well Name.Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual©88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 18:00 - 20:30 2.50 DRILL P SURF L/D SLB BHA#3 -RACK BACK HWDP -LAY DOWN MWD TOOLS PER SLB DIRECTION -EXCESSIVE CLAY ON MOTOR AND BIT -BIT GRADE-1-1-BT-G-E-I-WT-TD/IN GAUGE -MONITOR WELL ON TRIP TANK. DISCOVERED THAT THE BAFFLE ADAPTER COMPONENT OF THE 9-5/8"CASING RUN WAS NOT COMPATIBLE WITH RUNNING A 8.75"BIT.DISCUSSED WITH TOWN ODE AND ROT SUPT,DECISION WAS MADE TO RUN A TAM PORT COLLAR INSTEAD. 20:30 - 21:00 0.50 DRILL P SURF CLEAN AND CLEAR RIG FLOOR 1-ENSURE 9-5/8"RUNNING ORDER IS CORRECT AFTER CHANGES 21:00 - 00:00 3.00 CASING P SURF RU TO RUN CASING R/U REG DRILLING BAILS&6'EXTENSIONS -INSTALL SIDE DOOR ELEVATORS -INSTALL PS-21,&9 5/8"SLIP SEGMENTS - R/U TONGS,DDI SINGLE STACK -MU VOLANT(CRT)WITH BAKER CEMENT SWIVEL ON TOP M/U SAFETY VALVE TO CROSS OVER I- PERFORM DUMMY RUN WITH MANDREL HANGER 1- MARK LANDING JOINT. 7/5/2014 00:00 - 01:00 1.00 CASING P SURF 1 RU TO RUN CASING -MU VOLANT(CRT)WITH BAKER CEMENT SWIVEL ON TOP - M/U SAFETY VALVE TO CROSS OVER -BREAK UPPER CONN OF U AND RE-TORQUE TO 1000 FT/LB -LINE UP FILL UP LINE&TEST -VERIFY CASING COUNT IN SHED 01:00 - 11:00 10.00 CASING P SURF RUN 9 5/8",40#,L-80,BTC CASING TO 4554' MD PJSM:ENSURE TIWAND XO ARE MADE UP AND READY -RUN FIRST 3 JOINTS W/FLOAT EQUIPMENT -CHECK FLOATS-FLOATS GOOD -USE BEST OF LIFE 2000 NM THREAD COMPOUND -TORQUE ALL CONNECTIONS TO 13K RUN CENTRALIZERS ON EACH JOINT OF SHOE TRACK AS PER PROGRAM -RUN 22 FLOATING CENTRALIZERS ON JOINTS 4-25. -RUN IN HOLE AT 100 FT/MIN -FILL EVERY JOINT ON THE FLY AND WASH DOWN EVERY 10TH JOINT AT 5 BPM,125 PSI FOR 3-5 MIN -MUD WEIGHT:9.2 PPG IN,9.2 PPG OUT -MUD LOSSES WHILE RIH:0 BBL -ENCOUNTERED TIGHT SPOT AT 2,235'MD, ENGAGED VOLANT AND WASHED DOWN WITH 3 BPM AND 165 PSI.NO TIGHT SPOTS ENCOUNTERED AFTER THAT. Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 11 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual©88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 11:00 - 12:00 1.00 CASING P SURF LAND 9-5/8"SURFACE CASING -MAKE UP LANDING JOINT.WITH MANDREL HANGER AND PUP -WASH DOWN CASING: 4,554 MD TO 4,597 FT AT 1.0 BPM AND 220 PSI. -LAND ON RING WITH CASING SHOE AT 4,597 FT.MD 12:00 - 15:00 3.00 CASING P SURF CIRCULATE SURFACE CASING -STAGE PUMPS UP IN 1 BBL INCRIMENTS -AT 1 BPM,267 PSI,11%RETURN FLOW -AT 2 BPM,245 PSI,11%RETURN FLOW —AT 3 BPM,250 PSI,17%RETURN FLOW -AT 4 BPM,238 PSI,24%RETURN FLOW -AT 5 BPM,230 PSI,32%RETURN FLOW '-AT 6 BPM,200 PSI,34%RETURN FLOW -AT 7 BPM,210 PSI,35%RETURN FLOW -AT 8 BPM,205 PSI,35%3RETURN FLOW AT 9 BPM,230 PSI,35%RETURN FLOW -AT 10 BPM,180 PSI,41%RETURN FLOW -RECIPROCATE 10 FT: 4,587 TO 4,597 FT. -PU 216K AND SO 98K. -CONDITION MUD TO 9.3 PPG,16 YP -MUD LOSSES WHILE CIRCULATING 0 BBL. *SIM OP: RIG UP SLB CEMENTERS,CEMENT HOSE AND CHART RECORDER. *-PJSM FOR CEMENT JOB. 15:00 - 16:00 1.00 CASING N RREP SURF CODE 8 NPT— ATTEMPT TO BLOW DOWN LINE FROM RIG FLOOR -VALVE AT THE CEMENT CONNECTION WAS PACKED OFF -HAD TO BRING MORE HARD LINE OUT AND RU TO SECONDARY CEMENT LINE AT THE MOTOR COMPLEX Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 12 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:0O:OOPM Rig Release: Rig Contractor DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual i88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 16:00 - 22:00 6.00 CEMT P SURF CEMENT 9-5/8"SURFACE CASING -PUMP CEMENT JOB AS PER SLB CADE: -PRESSURE TEST LINES: 250/4000 PSI FOR 5 CHARTED MINUTES-OK. -PUMP 100 BBL OF 10.0 PPG MUD PUSH II SPACER AT 5.0 BPM AND 200 PSI. -DROP BOTTOM PLUG. -PUMP 731 BBL 11.0 PPG LITECRETE LEAD AT 5.0 BPM.223 PSI EXCESS VOLUME 350% AND YIELD=1.91 FT3/SK. -PUMP 45.7 BBL 15.8 PPG CLASS G TAIL AT 5.0 BPM,202 PSI, EXCESS VOLUME AT 40% AND YIELD=1.17 FT3/SK. -DROP TOP PLUG. -DISPLACE WITH 10 BBL WATER WITH CEMENT PUMP. -DISPLACE WITH RIG PUMP AND 9.4 PPG DRILPLEX MUD PER CEMCADE. —10.0 BPM AT 396 PSI FOR 90 BBL. —7.0 BPM AT 800 PSI FOR 232 BBL. 1-2.0 BPM AT 550 PSI FOR 10.9 BBL. I-BUMP PLUG WITH 560 PSI OVER TO 1058 PSI AND HOLD 5 MINUTES. CEMENT IN PLACE AT(21:30) -TOTAL DISPLACMENT VOLUME 342.3 BBL. -ZERO LOSSES DURING DISPLACEMENT -CHECK FLOATS-OK. —RECIPROCATED PIPE 15 FT THROUGH CEMENT LEAD AROUND THE SHOE 30 BBLS DID NOT GET CEMENT RETURNED TO SURFACE. -CONTACTED ODE AND ROTARY SUPT. -MADE NOTIFICATION TO THE AOGCC FOR UPCOMING REMEDIAL CEMENT JOB 22:00 - 23:00 1.00 CEMT N CEMT SURF RU FOR REMEDIAL CEMENT JOB -RIG DOWN VOLANT CRT,REMOVE ELEVATORS&BALE EXTENSIONS -REMOVE UPPER 7'PUP FROM THE 9-5/8"U. -INSTALL HAND SLIP INSERTS IN THE PS-21 -REMOVE BAKER SWIVEL FROM THE VOLANT RD CASING TONGS AND REMOVE FROM FLOOR. 23:00 - 00:00 1.00 CEMT N CEMT SURF PU AND MAKE UP TAM PORT COLLAR SHIFTING TOOL -MAKE UP TAM PORT COLLAR SHIFTING TOOL AND RIH WITH 5 STANDS OF 5"DP ON ELEVATORS TO 509' -PUW-51K,SOW-50K -MAKE UP 10'PUP JOINT,TIW VALVE, CEMENT SWIVEL -TIH AND ENGAGE TAM PORT COLLAR AND SET DOWN 10K -PICK UP TO 64K TO CONFIRM LATCH. -PRESSURE UP TO 1000 PSI TO ENGAGE THE PACK OFF CUPS ON THE TOOL. -DROP PRESSURE TO 300 PSI AND SET BACK DOWN TO NEUTRAL WT UNTIL PRESSURE FALLS OFF CONFIRMING TAM PORT COLLAR OPENING. Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 13 of 77 Operation Summary Report Common Well Name.Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date'8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:O0PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 7/6/2014 00:00 - 01:00 1.00 CASING N CEMT SURF PU AND MAKE UP TAM PORT COLLAR SHIFTING TOOL -MAKE UP TAM PORT COLLAR SHIFTING TOOL AND RIH WITH 5 STANDS OF 5"DP ON ELEVATORS TO 509' -PUW-51K,SOW-50K -MAKE UP 10'PUP JOINT,TIW VALVE, CEMENT SWIVEL -TIH AND ENGAGE TAM PORT COLLAR AND SET DOWN 10K -PICK UP TO 64K TO CONFIRM LATCH. -PRESSURE UP TO 1000 PSI TO ENGAGE THE PACK OFF CUPS ON THE TOOL. -DROP PRESSURE TO 300 PSI AND SET BACK DOWN TO NEUTRAL WT UNTIL PRESSURE FALLS OFF CONFIRMING TAM PORT COLLA R OPENING. 01:00 - 02:30 1.50 CASING N CEMT SURF CIRCULATE OUT 9-5/8"X 12-1/4"(OH) ANNULUS -STAGE PUMPS UP TO 5 BPM,WITH 45 PSI -DISPLACE OUT CONTAMINATED MUD IN THE ANNULUS -SIGNS OF MUD PUSH AND SLIGHT SHOW OF CEMENT IN MUD PUSH DISPLACE OUT 125 BBLS,UNTIL 9.5 PPG MUD IN/OUT. 02:30 - 03:30 1.00 CASING N CEMT SURF RU CEMENT LINE AND PREPARE TO PUMP TOP JOB -CONTINUE TO CIRCULATE AT 1 BPM WITH 15 PSI TO KEEP THE CUPS ENGAGED ON THE TAM PORT COLLAR SHIFTING TOOL. WAIT FOR MUD PUSH AND EXTRA CEMENT TO ARRIVE ON LOCATION -RECEIVE MUD PUSH AND START BATCHING. 03:30 - 05:00 1.50 CASING N CEMT SURF PERFORM REMEDIAL TOP OUT CEMENT JOB THROUGH TAM PORT COLLAR AT 513' -PJSM FOR TOP OUT JOB. -PUMP 45 BBLS OF 10.0 PPG MUD PUSH AT 5 RPM,100PSI,7 BPM,150 PSI -PUMP 150 BBL 11.0 PPG LITECRETE AT 5.0 BPM.223 PSI EXCESS VOLUME 350%AND YIELD=1.91 FT3/SK. -STARTED SEEING 100%CEMENT AT 130 BBLS PUMPED,PUMPED ADDITIONAL 20 BBLS. -PUMPED 7 BBLS OF 10.0 PPG MUD PUSH TO CLEAR LINES -5 BPM WITH 120 PSI. -TOTAL OF 27 BBLS OF SIDEWALK CEMENT TO SURFACE. -CEMENT IN PLACE FOR TOP JOB AT 05:05 -BOB NOBLE W/AOGCC WITNESSED REMEDIAL CEMENT JOB. Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 14 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 05:00 - 06:00 1.00 CASING N CEMT SURF RELEASE FROM TAM PORT COLLAR. -PU TO 61K TO CLOSE TOOL -PRESSURE TEST TO 1200 PSI TO VERIFY TOOL CLOSING BLEED PRESSURE OFF AND ROTATE HALF A TURN TO RELEASE SHIFTING TOOL FROM TAM PORT COLLAR.PICK UP AND PT TO 1200 PSI AGAIN TO VERIFY FINAL CLOSURE OF TAM PORT. -PICK UP 8'ABOVE TOOL,PRESSURE UP TO 2100 PSI TO RUPTURE CIRCULATION PORT IN THE TAM PORT SHIFTING TOOL. - CIRCULATE THE 9-5/8"X 5"DP ANNULUS CLEAN.CIRCULATE TOTAL 50 BBLS 5 BPM WITH 150 PSI. 06:00 - 07:30 1.50 CASING N CEMT SURF POOH FROM 510'MD TO SURFACE RIG DOWN BAKER CEMENT SWIVEL ASSEMBLY -LAY DOWN TAM PORT SHIFTING TOOL 07:30 - 11:30 4.00 BOPSUR P SURF NIPPLE DOWN ANNULAR PREVENTER -WASH ANNULAR,FLOW LINES AND DRIP PAN. -NIPPLE DOWN FLOWLINE AND DRIP PAN. -FUNCTION AND LUBE ANNULAR ELEMENT. -DE-ENERGIZE ACCUMULATOR. -NIPPLE DOWN ANNULAR PREVENTER AND RISERS. NIPPLE DOWN DIVERTER LINES N/D DIVERTER -L/D SURFACE RISER -N/D DIVERTER T&KNIFE VALVE ASSEMBLY -REMOVE DRIP PAN *SIM OP: BREAK LANDING JOINT AND DEMOBILIZE TOOLS FROM RIG FLOOR AND RIG DOWN DIVERTER LINE. 11:30 - 12:00 0.50 BOPSUR P SURF MOBILIZE CASING HEAD -CLEAN INNER SEALING SURFACE 12:00 - 15:30 3.50 BOPSUR P SURF NIPPLE UP CASING HEAD AND TUBING HEAD. -FMC 11"5M THROUGH-BORE GEN 5 CASING HEAD. -FMC 11"5M GEN 5 TUBING HEAD. -TEST LOWER VOID 250 PSI FOR 5 MINUTES AND 1000 PSI FOR 15 CHARTED MINUTES-OK. -FMC TECH ON LOCATION. 15:30 - 22:00 6.50 BOPSUR P SURF NIPPLE UP BOPE -NIPPLE UP 11"X 13-5/8"ADAPTER SPOOL -MOBILIZE AND NIPPLE UP 11"5M RISERS. -N/U 13 5/8"BOP STACK. -INSTALL DRIP PAN&SEAL -INSTALL CHOKE HOSE&KILL HOSE -INSTALL FLOW RISER,STRIP-O-MATIC, FLOW LINE SIM OPS=M/U(2)4 1/2"IF DARTS,(2)FOSV, XT 39 FOSV,DART AND 5"TEST JOINT 22:00 - 23:00 1.00 BOPSUR P SURF P/U 4"TEST JOINT&INSTALL TEST PLUG R/U TO TEST BOPE Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 15 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad i Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor.DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual©88.20usft(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 BOPSUR P SURF SHELL TEST BOPE -R/U TEST PUMP AND ATTEMPT SURFACE TEST -TEST FAILED -RESEAT TEST PLUG ; 1 -RETEST SHELL(PASS) 7/7/2014 00:00 - 05:30 5.50 BOPSUR P SURF TEST BOPE -TEST BOPE TO 250 PSI LOW,3,500 PSI HIGH FOR 5 MINUTES EACH -TEST(2)VBR WITH 4"&5"TEST JOINTS -TEST ANNULAR WITH 4"TEST JOINT -ALL TESTS CHARTED,SEE ATTACHED BOP TEST CHARTS -ALL TEST PASS BP TEST CRITERIA FOR BOPE TESTING -TEST WITNESS BY AOGCC REP BOB NOBLE 05:30 - 06:30 1.00 BOPSUR P SURF R/D TESTING EQUIPMENT -PULL TEST PLUG&SET 9-15/16"ID WEAR BUSHING -B/D CHOKE AND KILL -CLEAN AND CLEAR RIG FLOOR ----------- 06:30 - 09:30 3.00 BOPSUR P SURF DRILL PIPE MANAGMENT -M/U 5"MULE SHOE -PU 5"DP SINGLES FROM PIPE SHED -FROM SURFACE TO 1,168'MD -MONITOR DISPLACMENT VIA TRIP TANK '-M/U TO TD&CIRC DUE TO THICK MUD EXITING DP WHILE RIH AT 535' -295 GPM,72 PSI -600 STROKES PUMPED -CONTINUE DP MANAGMENT 09:30 - 10:00 0.50 BOPSUR P SURF RIG SERVICE -SERVICE AND GREASE TOP DRIVE I-INSPECT DRAW WORKS DUE TO ENCODER _FAULT 10:00 - 10:30 0.50 BOPSUR N RREP SURF ! CODE 8 -REPLACE DRAW WORKS DRIVE MOTOR"A" ENCODER 10:30 - 12:00 1.50 DRILL P SURF DRILL PIPE MANAGMENT -PU 5"DP SINGLES FROM PIPE SHED -FROM 1,168'MD TO 2,400'MD -89K P/U,78K S/O -MONITOR DISPLACMENT VIA TRIP TANK 12:00 - 16:00 4.00 DRILL P SURF DRILL PIPE MANAGMENT -PU 5"DP SINGLES FROM PIPE SHED FROM 2,400'MD TO 4,009'MD -124K P/U,82K SIO -POOH ON ELEVATORS RACK BACK 5"DP STANDS TO DERRICK -FROM 4,009'TO SURFACE -98K P/U,78K S/O -MONITOR DISPLACMENT VIA TRIP TANK 16:00 - 17:00 1.00 DRILL P I SURF PRESSURE TEST 9-5/8"40#,L-80 SURFACE CASING TO 250 LOW FOR 5 MIN/3,500 PSI FOR 30 MIN EACH -5.5 BBLS TO ACHIVE 3500 PSI,5.5 BLED BACK TO TRIP TANK -TEST APPROVED BY BP WTL JIM WILLINGHAM -R/D CASING TEST EQUIPMENT Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 16 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 17:00 - 20:30 3.50 DRILL P SURF DRILL PIPE MANAGMENT -PU 5"DP DOUBLES FROM PIPE SHED AND RIH -FROM SURFACE TO 2,935'MD -98K P/U,78K S/O -POOH ON ELEVATORS RACK BACK STANDS TO DERRICK -FROM 2,935'TO SURFACE -98K P/U,78K 5/0 MONITOR DISPLACMENT VIA TRIP TANK 20.30 - 21:00 0.50 DRILL P SURF CLEAN AND CLEAR RIG FLOOR -C/O PS-21 HAND SLIP INSERTS TO 4" INSERTS 21:00 - 23:00 2.00 DRILL P SURF TPU BHA#4 -PJSM ON PU BHA#4 -PU BHA#4 AS PER SBL DD FROM SURFACE TO 641' -PU NM FLEX COLLAR STAND,5"HWDP& JAR STAND 1-MONITOR DISPLACMENT VIA PITS#2-3 23:00 - 00:00 1.00 DRILL P SURF RIH WITH 8 3/4"INTERMEDIATE DRILLING BHA FROM 641'MD TO 1,593'MD -RIH ON ELEVATORS PICKING UP 4"SINGLES FROM PIPE SHED -82K P/U,76K S/0 -SHALLOW HOLE TEST OF MWD AT 1,560' MD,550 GPM,1440 PSI -MONITOR DISPLACMENT VIA PITS#2-3 7/8/2014 00:00 - 03:30 3.50 DRILL P SURF RIH WITH 8 3/4"INTERMEDIATE DRILLING BHA FROM 1,593'MD TO 4,353'MD -RIH ON ELEVATORS PICKING UP 4"SINGLES FROM PIPE SHED -82K P/U,76K S/O -MONITOR DISPLACMENT VIA PITS#2-3 03:30 - 05:00 1.50 DRILL P SURF SLIP AND CUT DRILL LINE -PREJOB SAFETY MEETING FOR SLIP AND CUT OPERATIONS -SLIP AND CUT 86'OF DRILL LINE -RECALIBRATE BLOCK HEIGHT FOR _AMPHION AND TOTCO SYSTEMS 05:00 - 08:00 3.00 DRILL P SURF CLEAN OUT 9 5/8"FLOAT COLLAR AND SHOE TRACK -TAG CEMENT STRINGER AT 4468'MD -139K P/U,70K S/O -550 GPM,1700 PSI -SBL SENDING DOWNLINK FOR RSS -TAG PLUGS ON DEPTH AT 4,508' -DRILL PLUGS&SHOE TRACK F/4,508'MD TO 4,585'MD -450 GPM,1,675 PSI,5-20K WOB -60-80 RPM,7-12K TQ. -P/U=139K S/O=75K ROT=96K W/8-9K TQ. Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 17 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 08:00 - 08:30 0.50 DRILL P SURF DISPLACE WELL TO LSND MUD -DISPLACE 9.3 PPG DRILLPLEX SURFACE MUD WITH 9.4 PPG LSND -ROT&RECIP F/4,545'MD T/4,585'MD WHILE DISP WELL -PUMP 35 BBL FRESH H2O/35 BBL HIGH VIS SPACER -PUMP 315 BBLS OF 9.4 PPG LSND @ 450 GPM,1,100 PSI 80 RPM,4-5K TQ. P/U=120K S/O=85K ROT=100K W/4K TQ. -SPR'S @ 4,473'MD,3,071'TVD MW=9.4PPG -#1 MP-20/30 SPM=140/200 PSI #2 MP-20/30 SPM=140/200 PSI 08.30 - 10:30 2.00 DRILL P SURF DRILL OUT SHOE AND 20'FORMATION -DRILL OUT SHOE FROM 4,585'MD TO 4,607' MD -DRILL 20'NEW FORMATION FROM 4,607'MD TO 4,628'MD -5-20K WOB,40-80 RPM,4-12K TQ, -450GPM 1,300PSI ON,1225 PSI OFF PU 120K SO 85K,ROT 100K -ART/ADT=0.19 MUD WEIGHT:9.4 PPG IN,9.4 PPG OUT 10:30 - 11:00 0.50 DRILL P SURF CIRCULATE FOR LEAK OFF TEST -500GPM,1300 PSI -80RPM,4-5K TQ -CALCULATED ECD 9.97 PPG -MUD WEIGHT:9.4 PPG IN,9.4 PPG 11:00 - 12:00 1.00 DRILL P SURF RIG UP AND PERFORM LOT -MUD WEIGHT:9.4 PPG AT 4,597'MD,3,067' TVD(SHOE DEPTH) -PUMP 4.5 BBLS TO 689 PSI,BLEED BACK 0.0 BBLS PRESSURE PLOT DID NOT BREAK OVER PERFORM SECOND LOT -MUD WEIGHT:9.4 PPG AT 4,597'MD,3,067' TVD(SHOE DEPTH) -PUMP 8.6 BBLS TO 888 PSI,BLEED BACK 0.75 BBLS -LOT EMW=14.9 PPG,>50 BBL KICK TOLERANCE 12:00 - 12:30 0.50 DRILL P SURF PERMISSION TO PROCEED GIVEN TO WSL FROM ODE -R/D AND B/D CIRCULATION LINES 12:30 - 20:30 8.00 DRILL P INTI DRILL 8 3/4"INTERMEDIATE HOLE FROM 4,628'MD TO 5,489'MD(3,492'TVD) -600 GPM,2,029 PSI ON,2022 PSI OFF -200 RPM,7K TORQUE ON,5K TORQUE OFF -P/U=134K,S/O=96K,ROT 109K -PUMP LOW/HIGH VIS SWEEP AT 5,488'MD -25%INCREASE IN CUTTINGS WHEN SWEEP SURFACED Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 18 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 ,X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM E Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual t88.20usft(above Mean Sea Level) Date i From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 20:30 - 22:30 2.00 DRILL N RREP INTI LEAK IN WASHPIPE OBSERVED -GREASED,KELLY UP AND TEST:FAILED -POOH ON ELEVATORS FROM 5,489'MD TO 5,302'MD -INSTALL HEAD PIN AND CEMENT HOSE -CIRCULATE AT 296 GPM,777 PSI FROM 5,302'MD TO 5,270'MD -CONTINUE TO CIRCULATE AT 86 GPM,166 PSI THROUGH CEMENT LINE -CHANGE OUT WASHPIPE,GREASE AND ROTATE -R/D CIRCULATION LINES -KELLY UP AND ESTABLISH CIRCULATION -600 GPM,2065 PSI -120 RPM,6K TORQUE -WORK PIPE FROM 5,302'MD TO 5,208'MD -WASH DOWN FROM 5,302'MD TO 5,489'MD -600 GPM,2060 PSI,0 RPM 22:30 - 00:00 1.50 DRILL P INTI DRILL 8 3/4"INTERMEDIATE HOLE FROM 5,489'MD TO 5,677'MD(3,583'TVD) -600 GPM,2,043 PSI ON,2,036 PSI OFF -200 RPM,7K TORQUE ON,6K TORQUE OFF P/U=136K,S/O=101K,ROT 112K -ACTUAL ROTATE TIME= 0.97 HRS -ECD ACTUAL=10.48,CALC=9.96 PPG --L-- -SURVEY EVERY STAND(-94')WITH MWD 7/9/2014 00:00 - 12:00 12.00 DRILL P INTI DRILL 8 3/4"INTERMEDIATE HOLE FROM 5,677'MD TO 7,003'MD (4,226'ND) -600 GPM,2,310 PSI ON,2,300 PSI OFF -160 RPM,9-10K TORQUE ON,7K TORQUE TOFF -PU 157K,SO 110K,ROT 126K -ART/ADT=7.28 HRS,TOTAL BIT=12.83 HRS,TOTAL JAR=39.43 HRS 1-ECD:ACTUAL=10.8 PPG,CALC=9.98 -SURVEY EVERY STAND(-94')WITH MWD -ECD MANAGEMENT BACKREAM UP TO FULL STAND PRIOR TO CONNECTION 1-PUMPED SWEEPS AS NEEDED 1-AT 6,244'MD,35BBL LOW/35BBL HIGH VIS -10%INCREASE -AT 6,687'MD,4OBBL HIGH VIS WEIGHTED (11.4PPG) -40%INCREASE IN FINES -FLUID LOSS FOR TOUR=0 BBLS i i; li i -SPR 42)6,625'MD/4035'ND,MW 9.55 ppg -#1 MP 20/30 SPM=200/240 PSI -#2 MP 20/30 SPM=200/240 PSI Printed 9/8/2014 12:36.27PM North America-ALASKA-BP Page 19 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 12:00 - 00:00 12.00 DRILL P INTI DRILL 8 3/4"INTERMEDIATE HOLE FROM 7,003'MD TO 8,271'MD (4,842'TVD) -600 GPM,2,431 PSI ON,2,420 PSI OFF -160 RPM,11K TORQUE ON,9K TORQUE OFF -PU 176K,SO 120K,ROT 142K -ART/ADT=6.79 HRS,TOTAL BIT=19.62 HRS,TOTAL JAR=46.22 HRS -ECD:ACTUAL=10.67 PPG,CALC=9.98 -SURVEY EVERY STAND(-94')WITH MWD -ECD MANAGEMENT BACKREAM UP TO FULL STAND PRIOR TO CONNECTION PUMPED SWEEPS AS NEEDED -AT 7,700'MD,30BBL LOW/30BBL HIGH VIS -60%INCREASE IN FINES,40%INCREASE DRILLED SOLIDS -AT 8,243'MD,4OBBL LOW/40BBL HIGH VIS WEIGHTED(11.4PPG) -30%INCREASE IN FINES -FLUID LOSS FOR TOUR=12 BBLS -SPR @ 8,140'MD/4,766'TVD,MW 9.45 ppg -#1 MP 20/30 SPM=220/280 PSI -#2 MP 20/30 SPM=200/280 PSI 7/10/2014 00:00 - 12:00 12.00 DRILL P INTI DRILL 8 3/4"INTERMEDIATE HOLE F/8,271'MD TO 9,466'MD(5,402'TVD) -600 GPM.2,580 PSI ON,2,540 PSI OFF -7K WOB, 180 RPM,13-15K TORQUE ON,12K TORQUE OFF -PU 200K,SO 126K,ROT 158K -ART/ADT=6.47 HRS,TOTAL BIT=26.09 HRS,TOTAL JAR=52.69 HRS -ECD:ACTUAL=10.45 PPG,CALC=10.05 PPG -SURVEY EVERY STAND(-94')WITH MWD -ECD MANAGEMENT BACKREAM FULL STAND PRIOR TO CONNECTION -PUMPED SWEEPS AS NEEDED -AT 9,120'MD,35BBL 11.5 PPG SWEEP,40% EXCESS ON RETURN -FLUID LOSS FOR TOUR=0 -SPR AT 9,181'/5,402'TVD W/9.55 MW -MP#1 20/30 SPM=220/300 PSI Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 20 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 I Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor.DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual©88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations ----------- j --t (usft) i (hr) � 12:00 - 00:00 12.00 DRILL P INTI DRILL 83/4"INTERMEDIATE HOLE F/9,466' MD TO 10,697 MD(5,998'TVD) -600 GPM,2,530 PSI ON,2,500 PSI OFF -10K WOB,180 RPM,13-15K TORQUE ON,12K TORQUE OFF -PU 224K,SO 134K,ROT 164K -ART/ADT=6.89 HRS,TOTAL BIT=32.98 HRS,TOTAL JAR=59.58 HRS -ECD:ACTUAL=10.62 PPG,CALC=10.10 PPG -SURVEY EVERY STAND(--94')WITH MWD -ECD MANAGEMENT BACKREAM FULL STAND PRIOR TO CONNECTIONS -PUMPED SWEEPS AS NEEDED -AT 9,690'MD,30 BBL LOW VIS/30 BBL HIGH VIS,20%EXCESS ON RETURN -AT 10,224'MD 35BBL 11.5 PPG SWEEP,50% INCREASE ON RETURN -SPR AT 10,129'MD/5,723'TVD W/9.5 MW -MP#1 20/30 SPM=220/290 PSI -MP#2 20/30 SPM=230/290 PSI -FLUID LOSS FOR TOUR=0 7/11/2014 00:00 - 08:00 8.00 DRILL P INTI DRILL 8 3/4"INTERMEDIATE HOLE F/ 10,697' MD TO 11,355'MD(6,316'TVD) -600 GPM,2,941 PSI ON,2,920 PSI OFF -13K WOB,180 RPM,17-18K TORQUE ON,12K TORQUE OFF -PU 215K,SO 140K,ROT 173K -ART/ADT=6.3 HRS,TOTAL BIT=39.28 HRS, TOTAL JAR=65.83 HRS -ECD:ACTUAL=10.71 PPG,CALC=10.12 PPG -SURVEY EVERY STAND(-94')WITH MWD -ECD MANAGEMENT, BACKREAM FULL STAND PRIOR TO CONNECTIONS -PUMPED SWEEP AT 10,890' -40 BBL LOW VIS,40 BBL HIGH VIS,20% EXCESS ON RETURN 08,00 - 08:30 0.50 DRILL P INTI BACK REAM TWICE FOR ECD MANAGEMENT F/11,355'MD TO 11,265' - SIMOPS:FLUSH CUTTINGS TANK TO REMOVE BUILD UP FROM CENTRIFUGE DISCHARGE Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 21 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. UW:500292351400 ........_._ .... Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 08:30 - 12:00 3.50 DRILL P INTI DRILL 8 3/4"INTERMEDIATE HOLE F/ 11,355' MD TO 11,644'MD(6,455'TVD) -600 GPM,2,941 PSI ON,2,920 PSI OFF -13K WOB,180 RPM,17-18K TORQUE ON,12K TORQUE OFF -PU 220K,SO 144K,ROT 179K -ART/ADT=6.3 HRS,TOTAL BIT=39.28 HRS, TOTAL JAR=65.83 HRS -ECD:ACTUAL=10.71 PPG,CALC=10.12 PPG -SURVEY EVERY STAND(-94')WITH MWD -ECD MANAGEMENT, BACKREAM FULL STAND PRIOR TO CONNECTIONS -PUMPED SWEEP AT 11,370' 40 BBL LOW VIS,40 BBL HIGH VIS W/LCM, 10%EXCESS ON RETURN -SPR AT 11,644'MD/6,455'TVD W/9.6 MW -MP#1 20/30 SPM=300/370 PSI -MP#220/30 SPM=310/370 PSI -MUD LOSS FOR TOUR=0 BBLS 12:00 - 00:00 12.00 DRILL P INTI DRILL 8 3/4"INTERMEDIATE HOLE F/ 11,644' MD TO 12,584'MD(6,908'TVD) -600 GPM,3,010 PSI ON,3177 PSI OFF -13K WOB,180 RPM,16K TORQUE ON,12K TORQUE OFF -PU 220K,SO 144K,ROT 179K -ART/ADT=6.8 HRS,TOTAL BIT=46.03 HRS, TOTAL JAR=72.63 HRS -ECD:ACTUAL=11.23 PPG,CALC=10.36 PPG -SURVEY EVERY STAND(-94')WITH MWD -ECD MANAGEMENT, BACKREAM FULL STAND PRIOR TO CONNECTIONS -PUMPED SWEEP AT 11,946" -40 BBL LOW VIS,40 BBL HIGH VIS W/LCM, -10%EXCESS ON RETURN -PUMPED SWEEP AT 12,329' -40 BBL LOW VIS,40 BBL HIGH VIS W/LCM, -20%EXCESS ON RETURN -SPR AT 12,213'MD/6,729'TVD W/9.6 MW -MP#1/#2 20/30 SPM=340/420 PSI MUD LOSS FOR TOUR=0 BBLS Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 22 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual©88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 7/12/2014 00:00 - 12:00 12.00 DRILL P INTI DRILL 8 3/4"INTERMEDIATE HOLE F/ 12,584' MD TO 13,349'MD(7,410'TVD) -575 GPM,3,165 PSI ON,3150 PSI OFF -14K WOB,150 RPM,16-17K TORQUE ON,12K TORQUE OFF -PU 250K,SO 156K,ROT 207K -ART/ADT=6.79 HRS,TOTAL BIT=52.80 HRS,TOTAL JAR=79.42 HRS -ECD:ACTUAL=11.49 PPG,CALC=10.53 PPG -SURVEY EVERY STAND(-94')WITH MWD -ECD MANAGEMENT, BACKREAM FULL STAND PRIOR TO CONNECTIONS -PUMPED SWEEP AT 12,875" -40 BBL LOW VIS,40 BBL HIGH VIS -BACKED OFF PUMP F/600 GPM TO 575 GPM AND SLOWED ROP TO 120 FPH AT 12,686'TO MANAGE ECD W/9.9 PPG MUD WT -SPR AT 13,349'MD/7,410'TVD W/9.9 PPG MW -MP#1 20/30 SPM=340/410 PSI -MP#2 20/30 SPM=340/420 PSI -MUD LOSS FOR TOUR=0 BBLS 12:00 - 15:30 3.50 DRILL P INTI PUMPED LOW!HIGH VIS SWEEP AND CIRCULATED SURFACE TO SURFACE CIRCULATE BOTTOMS-UP 3 TIMES -600 GPM,3090 PSI -140 RPM,14K TORQUE -ROTATE AND RECIPROCATE,RACKING BACK ONE STAND EVERY 1.5 BOTTOMS-UP -OBTAIN SPR AND SURVEY AT BOTTOM -SPR AT 13,349'MD/7,410'TVD W/9.9 MW -MP#1 20/30 SPM=310/390 PSI -MP#2 20/30 SPM=310/390 PSI 15:30 - 16:30 1.00 DRILL N ' SFAL INTI AIR BOOT ON BELL NIPPLE FAILED -PUMPED OUT STACK,PULLED PS-21'S, SPLIT STRIP-O-MATIC,PULLED LOW PRESSURE STACK -CHANGED OUT AIR BOOTS -REINSTALLED EQUIPMENT -STROKED DRILL STRING EVERY 10 MINUTES -PROPER NOTIFICATIONS MADE,TRACTION REPORT COMPLETED.IR-4766902 16:30 - 19'00 2.50 DRILL P INTI CIRCULATE BOTTOMS-UP 3 TIMES -600 GPM,3090 PSI -140 RPM,14K TORQUE -ROTATE AND RECIPROCATE,RACKING BACK ONE STAND EVERY 1.5 BOTTOMS-UP LOST SWAB AND LINER IN MUD PUMP#2 -CONTINUED CIRCULATING WITH MUD PUMP #1 -380 GPM,1655 PSI -CIRCULATE UNTIL SHAKERS CLEAN -SIM-OPS:CHANGED OUT SWAB AND LINER ON MP#2 Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 23 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 19:00 - 22:30 3.50 DRILL P INTI -MONITOR WELL FOR 10 MINUTES:STATIC -PULL ONE STAND W/NO HOLE FILL,FLUID DROPPING IN STACK,NO INDICATIONS OF SWABBING -POH ON ELEVATORS FROM 13,254'MD TO 10,500'MD -PU 206K,SO 118KAT 11,440'MD -MUD WEIGHT:9.9 PPG IN,9.9 PPG OUT -MONITOR DISPLACMENT VIA TRIP TANK -TIGHT HOLE AT 10,500'MD WITH 20K OVERPULL 22:30 - 00:00 1.50 DRILL P INTI CIRCULATE BOTTOMS UP 1.5 TIMES -600 GPM,3195 PSI -160 RPM,9K TORQUE -ROTATE AND RECIPROCATE FROM 10,510' MD TO 10,550'MD -SAND RETURNS DIMINISHED BY 1.5 BU 7/13/2014 00:00 - 02:30 2.50 DRILL P INTI -POOH ON ELEVATORS FROM 10,510'MD TO 8,425'MD -PU 185K,SO 90K AT 9,070'MD -MONITOR DISPLACMENT VIA TRIP TANK -TIGHT HOLE AT 10,495'MD AND 10,035'MD WITH 20K OVERPULL -DRY WIPED EACH AREA CLEAN 02:30 - 03:30 1.00 DRILL P INTI CIRCULATE BOTTOMS-UP 1.5 TIMES,6700 STKS -600 GPM,2830 PSI -160 RPM,7-8K TORQUE 1 '-ROTATE AND RECIPROCATE PIPE FROM 8,425'MD TO 8,326'MD -PU 166K,SO 120K 03:30 - 06:00 2.50 DRILL P INTI POOH ON ELEVATORS FROM 8,326'MD TO 4,545'MD MONITOR DISPLACMENT VIA TRIP TANK 06:00 - 07:00 1.00 DRILL P INTI CIRCULATE BOTTOMS-UP 1.5 TIMES,4212 STKS -600 GPM,2,675 PSI -RECIPROCATE PIPE FROM 4,542'MD TO 4,445'MD -PU 98K,SO 79K 07:00 - 09:30 2.50 DRILL P INTI CUT/SLIP DRILLING LINE -RECALIBRATE BLOCK HEIGHT,AMPHION, AND SLB -CHANGE OUT 4 1/2"IF SAVER SUB -MONITOR WELLBORE VIA TRIP TANK 09:30 - 10:00 0.50 DRILL P INTI FUNCTION TEST BOPS -ANNULAR PREVENTER-23 SECONDS -UPPER PIPE RAM-17 SECONDS -LOWER PIPE RAM-17 SECONDS RIG SERVICE -SERVICE AND INSPECT TDS -MONITOR WELL VIA TRIP TANK 10:00 - 12:00 2.00 DRILL P INTI RIH FROM 4,542'MD TO 7,574'MD -PU 153K,SO 100K AT 7,574'MD -MONITOR DISPLACMENT VIA TRIP TANK FLUID LOSS FOR TOUR=OBBLS 12:00 - 16:00 4.00 DRILL P INTI RIH FROM 7,574'MD TO 13,257'MD -PU 230K,SO 110KAT 12,100'MD -MONITOR DISPLACMENT VIA TRIP TANK Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 24 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth : Phase Description of Operations (hr) (usft) 16:00 - 17:00 1.00 DRILL P INTI BREAK CIRCULATION WITH -250 GPM,1,100 PSI -100 RPM,16K TORQUE STAGE UP PUMPS -420 GPM,2220 PSI -140 RPM,15K TORQUE -ECD'S READ 12.1 PPG WITH INITAL TOOL COMUNICATION AT 420 GPM -INITIAL LOSSES AT 30 BPH INCREASING TO 300-400 BPH -CIRCULATE BOTTOMS UP -SHUT DOWN PUMPS AND MONITOR WELL -FLOWBACK SURPASSED 12 BBL CONNECTION FLOWBACK '-SHUT THE WELL IN WITH ANNULAR PREVENTER TO A CLOSED CHOKE. MAKE PROPER LEVEL 0 NOTIFICATIONS 17:00 - 19:30 2.50 DRILL N DPRB 13,347.00 INTI PERFORM EXHALE TEST -MONITORED PRESSURES FOR STABILIZATION,FILL GAS BUSTER SIDPP=300 PSI ,SICP=165 PSI -PERFORM EXHALE TEST. -BLEED BACK 18 BBLS THROUGH THE CHOKE TAKING RETURNS TO THE TRIP TANK -1 BBL IN 2:11 MIN,LAST BBL BLEED BACK TIME 2:30 MIN SHUT IN WELL FOR 15 MIN. SIDPP:260 PSI,SICP:120 PSI -2ND BLEED BACK=10 BBLS -1 BBL IN 1:24 MIN,LAST BBL BLEED BACK TIME 3:11 MIN -RECEIVED AUTHORIZATION TO PROCEED AND OPEN WELL FROM WTL 19:30 - 20:00 0.50 DRILL N DPRB 13,347.00 INTI CIRCULATE -575 GPM,3,250 PSI -ROTATE AND RECIPROCATE PIPE FROM 13,349'MD TO 13,290'MD PU 256K,SO 157K 20:00 - 20:30 0.50 DRILL P INTI DRILL 8 3/4"INTERMEDIATE HOLE FROM 13,349'MD TO 13,401'MD(7,453'TVD) -575 GPM,3,530 PSI ON,3,233 PSI OFF -15K WOB,130 RPM,19K TORQUE ON,12K TORQUE OFF -PU 250K,SO 156K,ROT 287K -ART/ADT=0.55 HRS,TOTAL BIT=53.37 HRS,TOTAL JAR=79.97 HRS -ECD:ACTUAL=11.27 PPG,CALC=10.53 PPG -STOP DRILLING AT TOP OF HRZ 20:30 - 00:00 3.50 DRILL N WAIT 13,401.00 INTI CIRCULATE WHILE WAITING ON LOADS FROM MUD PLANT TO WEIGHT UP SYSTEM TO 10.6 PPG -430 GPM,2,061 PSI -ROTATE AND RECIPROCATE PIPE FROM 13,400'MD TO 13,349'MD -PU 256K,SO 157K,ROT 206K -RPM 130,TORQUE 15K MUD LOSS FOR TOUR=168 BBLS Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 25 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 7/14/2014 00:00 - 03:00 3.00 DRILL P INTI CIRCULATE WHILE WEIGHT UP TO 10.6 PPG -425 GPM,2,070 PSI -ROTATE AND RECIPROCATE PIPE FROM 13,400'MD TO 13,250'MD -PU 252K,SO 156K,ROT 201 K RPM 130,TORQUE 17-19K 03:00 - 12:00 9.00 DRILL P INTI DRILL 8 3/4"INTERMEDIATE HOLE FROM 13,401'MD TO 13,968'MD(7,914'TVD) -550 GPM.3,230 PSI ON, 3,006 PSI OFF -15K WOB,120 RPM,16-18K TORQUE ON, 10-11K TORQUE OFF -PU 250K,SO 164K,ROT 202K -ART/ADT=5.08 HRS,TOTAL BIT=58.45 HRS,TOTAL JAR=85.05 HRS -ECD:ACTUAL=11.75 PPG,CALC=11.12 .PPG -SURVEY EVERY STAND(-94')WITH MWD ECD MANAGEMENT, BACKREAM FULL STAND PRIOR TO CONNECTIONS -FINGER PRINT EACH CONNECTION 7 MINUTES,55 BBL FLOWBACK. -SPR AT 13,539'MD/7,563'TVD W/10.55 PPG MW -MP#1 20/30 SPM=420/480 PSI -MP#2 20/30 SPM=410/460 PSI MUD LOSS FOR TOUR=333 BBLS 12:00 - 00:00 12.00 DRILL P INTI DRILL 8 3/4"INTERMEDIATE HOLE FROM 13,968'MD TO 14,724'MD(8,537'TVD) -545 GPM,3,160 PSI ON, 3,060 PSI OFF -13K WOB,120 RPM,22K TORQUE ON,17K TORQUE OFF -PU 275K,SO 170K,ROT 220K -ART/ADT=6.88 HRS,TOTAL BIT=65.33 HRS,TOTAL JAR=91.93 HRS -ECD:ACTUAL=11.8 PPG,CALC=11.14 PPG -SURVEY EVERY STAND(-94')WITH MWD -ECD MANAGEMENT, BACKREAM FULL STAND PRIOR TO CONNECTIONS -FINGER PRINT EACH CONNECTION 7 MINUTES,65 BBL FLOWBACK. -SPR AT 14,675'MD/8,495'TVD W/10.6 PPG MW -MP#1 20/30 SPM=430/500 PSI -MP#2 20/30 SPM=420/500 PSI -MUD LOSS FOR TOUR=943 BBLS 7/15/2014 00:00 - 07:00 7.00 DRILL P INTI DRILL 8 3/4"INTERMEDIATE HOLE FROM 14,724'MD TO 15,173'MD/8,902'TVD-INT HOLE TD -550 GPM,3,192 PSI ON, 3,000 PSI OFF -120 RPM,23-24K TORQUE ON,18K TORQUE OFF -15K WOB,PU=300K,S/O=166K,ROT= 228K -ART/ADT=4.04 HRS -TOTAL BIT HRS=69.37,TOTAL JAR HRS= 95.97 Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 26 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date 1 From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 07:00 - 11:00 4.00 DRILL P INTI CIRCULATE LOW/HI VIS SWEEP WITH NUT PLUG AND 1.5 BOTTOMS UP VOLUME -PUMPED 35 BBL LOW VIS/AND 35 BBL HI VIS ROTATE AND RECIPROCATE FROM 15,173' MD TO 15,100'MD -550 GPM,3,050 PSI,33%F/O 120 RPM,16-18KTORQUE P/U=300K,S/O=168K,ROT=217K WITH 15K TORQUE -FINAL ECD=11.48,FINAL DYNAMIC LOSS RATE=40 BPH -TOTAL STKS PUMPED=22 K STKS MONITOR WELL FOR 10 MIN FIRST FIVE MIN=56 BBLS WITH 25%F/O -SECOND FIVE MIN=35 BBLS WITH 20%F/O -7 MIN FINGERPRINT=70 BBL WITH 24%F/O SPR'S AT 15,173'MD/8,902'TVD,MW=10.6 PPG MP#1-20/30 SPM=430/520 PSI MP#2-20/30 SPM=420/480 PSI 11 00 - 13:00 2.00 DRILL P INTI PUMP OUT OF HOLE FROM 15,173'MD TO 13,463'MD 250 GPM,600 PSI,16%F/O -P/U=295K,S/0=165K -ATTEMPT TO PULL ON ELEVATORS- SWABBING -MONITOR WELLBORE VIA PITS 1-3 -MUD LOSS 00:00 HRS TO 12:00 HRS=583 BBLS 13:00 - 17:00 4.00 DRILL P INTI PUMP OUT OF HOLE FROM 13,463'MD TO 11,363'MD -170 GPM,750 PSI,14-17%F/O -DISPLACEMENT TRENDING 9 BBLS/5 STANDS -NO TIGHT SPOTS NOTED -DECISION MADE TO RIH AND CBU AT TOP OF HRZ FORMATION -MONITOR WELLBORE VIA PITS 1-3 17:00 - 18:30 1.50 DRILL P INTI RIH FROM 11,363'MD TO 13,460'MD -NO TIGHT SPOTS NOTED -DISPLACEMENT TRENDING 8 BBLS/5 STANDS MONITOR WELLBORE VIA PITS 1-3 18:30 - 21:30 3.00 DRILL P INTI ATTEMPT TO CIRCULATE BOTTOMS UP AT TOP OF HRZ FORMATION 13,460'MD -STAGE PUMPS UP TO 550 GPM,2,950 PSI -40 RPM,17K TORQUE -LOSS RATE=190 BPH -SLOW PUMPS TO 84 GPM,500 PSI -LOSS RATE=36 BPH -ROTATE AND RECIPROCATE PIPE FROM 13,460'MD TO 13,375'MD Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 27 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual©88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 21:30 - 22:00 0.50 DRILL P INTI RIH FROM 13,460'MD TO 14,252'MD -SAW 15K ON TIGHT SPOT,P/U AND PULL BACK THROUGH WITH 10K OVER P/U WEIGHT KELLY UP AND BREAK CIRCULATION STAGING PUMPS UP -420 GPM,1,893 PSI,11.45 ECD 40 RPM,22K TORQUE -WASH THROUGH TIGHT SPOT TWICE,SHUT DOWN PUMP AND SLIDE THROUGH WITH NO ISSUES 22:00 - 23:00 1.00 DRILL P INTI RIH FROM 14,252'MD TO 15,089'MD -NO TIGHT SPOTS NOTED -MONITOR WELLBORE VIA PITS 1-3 23:00 - 00:00 1.00 DRILL P INTI RIH TO 15,089'MD AND BREAK CIRCULATION AND STAGE PUMPS UP -550 GPM,2,495 PSI,26%F/O -80 RPM,23K TORQUE -WASH TO BOTTOM F/15,089'TO 15,173' -ROTATE AND RECIPROCATE FROM 15,089' MD TO 15,173'MD -P/U=317K,S/O=157K,ROT=205K,ROT TORQUE=23K -PUMPED 4,969 TOTAL STROKES,LOST 260 BBLS -MONTIOR HOLE PRIOR TO BEGIN PUMPING 00H. -MUD LOSS FOR TOUR=793 BBLS 7/16/2014 00:00 - 02:30 2.50 DRILL P INTI PUMP OUT OF HOLE FROM 15,173'MD TO 13,478' -168 GPM,640 PSI,14%F/O -P/U=280K,S/O=142K -MONITOR WELL VIA PITS 1-3 02:30 - 03:30 1.00 DRILL P INTI ROTATE AND RECIPROCATE F/13,478'MD TO 13,387'MD WHILE CIRCULATING AT TOP OF HRZ -STAGE PUMPS UP TO 550 GPM,2,680 PSI, 27%F/O -40 RPM,17 K TQ -LOSS RATE AT 252 GPM=220 BPH,LOSS RATE AT 550 GPM=315 BPH -PUMPED 200 BBLS 10.6 PPG MUD AND 200 BBLS 10.6 PPG STRESS CAGE MUD TO PLACE STRESS CAGE AT BIT -MONITOR WELL VIA PITS 1-3 MONITOR WELL FOR 10 MIN -FIRST 5 MIN=BLED 35 BBLS BACK,23%F/O -SECOND 5 MIN=BLED 28 BBLS BACK,22% F/O 03:30 - 07:30 4.00 DRILL P INTI CONTINUE PUMP OUT OF HOLE F/13,478'MD TO 10,253'MD USING 10.6 PPG STRESS CAGE MUD -210 GPM,660 PSI,14%F/O -P/U=270 K,S/O=140 K -PULLING AT 66 FT/MIN -PUMPED A TOTAL OF 620 BBLS OF 10.6 PPG STRESS CAGE MUD -MONITOR WELL VIA PITS 1-3 Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 28 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 07:30 - 08:30 1.00 DRILL P INTI ROTATE AND RECIPROCATE F/10,253'MD TO 10,160'MD -STAGE PUMPS UP TO 550 GPM,2,575 PSI, 30%F/O -40 RPM,10 K TORQUE -DYNAMIC LOSS RATE=240 BPH -TOTAL PUMPED=380 BBLS TOTAL LOST FROM CIRCULATION=150 BBLS MONITOR WELL FOR 10 MIN -FIRST 5 MIN=BLED 35 BBLS BACK,23%F/O -SECOND 5 MIN=BLED 21 BBLS BACK,17% F/O 08:30 - 12:00 3.50 DRILL P INTI PUMP OUT OF HOLE FROM 10,160'MD TO 7,496'MD -210 GPM,640 PSI,10%F/O -P/U=154 K,S/O=104 K -PULLING AT 66 FT/MIN 12:00 - 16:004.00 DRILL P INTI I ATTEMPT TO POH ON ELEVATORS-STILL 'SWABBING -PUMP OUT OF HOLE FROM 7,496'MD TO 4,545'MD INSIDE OF 9-5/8"CASING SHOE -210 GPM,500 PSI,20%F/O --PULLING AT 66 FT/MIN 16:00 - 16:30 0.50 DRILL P INTI CLEAN AND CLEAR RIG FLOOR IN PREPARATION FOR WET TRIP -MONITOR WELL VIA TT -ESTABLISH CIRCULATION THROUGH HOLE FILL -HOLD PJSM ON DRILLING LINE SLIP AND CUT 16:30 - 17:30 1.00 DRILL P INTI SLIP AND CUT DRILLING LINE -CUT 74.5'OF LINE -MONITOR WELL VIA TT 17:30 - 18:00 0.50 DRILL P INTI CALIBRATE SLB,TOTCO AND AMPHION SYSTEMS -MONITOR WELL VIA TT 18:00 - 19:00 1.00 DRILL P INTI CIRCULATE 35 BBL LOW/35 BBL HI VIS SWEEP -550 GPM,2,036 PSI, -120 RPM,3-4 K TORQUE -P/U=108 K,S/O=80K I-ROTATE AND RECIPROCATE FROM 4,545' MD TO 4,450'MD -NO EXCESS CUTTING SEEN WHEN SWEEP RETURN TO SURFACE MONITOR WELL 19:00 - 21:00 2.00 DRILL P INTI POOH ON ELEVATORS FROM 4,450'MD TO 4,355'MD -CHANGE OUT HANDLING EQUIPMENT TO 4" -CONTINUE TO POOH TO 3,688'MD -LAY DOWN GHOST REAMER -MONITOR HOLE VIA TT 21:00 - 00:00 3.00 DRILL P INTI CONTINUE TO POOH FROM 3,688'MD TO 645' MD -MONITOR HOLE VIA TT Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 29 of 77 Operation Summary Report Common Well Name.Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual©88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 7/17/2014 00:00 - 03:00 3.00 DRILL P INTI CONTINUE TO POOH FROM 645'MD TO SURFACE. MONITOR WELL FOR 10 MIN-STATIC -LAY DOWN BHA#4 AS PER SLB DD BIT GRADE=1-4-CT-S-X-I-WT-TD -CLEAN AND CLEAR RIG FLOOR 03:00 - 03:30 0.50 CASING P INTI DRAIN STACK AND PULL PS-21 SLIPS -CLEAN AND PULL STRIP-O-MATIC AND FLOW NIPPLE -REMOVE FLOWLINE DRESSER SLEEVE AND FLOW BOX 03:30 - 04:30 1.00 CASING P INTI REMOVE DUTCH RISER ADAPTER AND ATTEMPT TO INSTALL SOLID RISER SPOOL -CHANGE OUT UPPER VBR'S TO 7"CASING RAMS 04:30 - 05:30 1.00 CASING P INTI 'RIG UP TO TEST ANNULAR SIMOPS:MODIFY RISER SPOOL TO FIT P/U 4"TEST JOINT -PULL WEAR BUSHING -C/O PRV ON AIR TANK 05:30 - 08:30 3.00 CASING P INTI MAKE UP TEST PLUG AND FILL STACK WITH WATER -PRESSURE TEST ANNULAR WITH 4"TEST JOINT -PRESSURE TEST UPPER VBR'S WITH 7" TEST JOINT -FUNCTION TEST LOWER VBR'S AND BLINDS -PULL TEST PLUG -UNABLE TO MODIFY PITCHER NIPPLE SPOOL IN FIELD -REINSTALL DUTCH RISER ADAPTER,FLOW BOX,FLOW LINE AND PS-21 SLIPS CLOSING TIMES:ANNULAR=23 SEC,UPPER VBRS=17 SEC,BLIND RAMS=19 SEC, LOWER VBRS=17 SEC 08:30 - 09:30 1.00 CASING P INTI P/U 7"CASING HANGER AND CONDUCT DUMMY RUN AS PER FMC TECH -L/D HANGER 09:30 - 13:00 3.50 CASING P INTI RIG UP CASING POWER TONGS -REMOVE BELL GUIDES AND ELEVATORS -INSTALL 6'BAIL EXTENSIONS AND 7" ELEVATORS -RIG UP VOLANT AND CHANGE OUT SLIP INSERTS TO 7" -MOBILIZE CENTRALIZERS TO RIG FLOOR 0 BBL FLUID LOSS FOR THE TOUR 13:00 - 13:30 0.50 CASING P INTI FUNCTION TEST TURBO CASER -WITH TURBO CASER JUST BELOW RIG FLOOR STAGE PUMPS UP TO 6 BPM,450 PSI AS PER DEEP CASING REP 13:30 - 14:30 1.00 CASING P INTI MAKE UP SHOE FLOAT EQUIPMENT -PUMP THROUGH FLOAT EQUIPMENT WITH 9 BBLS -CHECK FLOATS AND VERIFY THEY ARE HOLDING-GOOD TEST Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 30 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 14:30 - 00:00 9.50 CASING P INTI RIH WITH 7",26#L-80 VTHC CASING FROM 150'MD TO 4,376'MD -FILLING EVERY JOINT ON THE FLY WITH 2" FILL UP HOSE FILL EVERY 10TH JOINT WITH VOLANT -RIH AT 29 FT/MIN AS PER PROGRAM -MONITORING WELL VIA PITS#2 AND#3 -OBTAIN P/U AND S/O WEIGHTS 10TH JOINT 20 BBL FLUID LOSS FOR THE TOUR 7/18/2014 00:00 - 00:30 0.50 CASING P INTI RIH WITH 7",26#L-80 VTHC CASING FROM 4,376'MD TO 4,586'MD -FILLING EVERY JOINT ON THE FLY WITH 2" FILL UP HOSE -FILL EVERY 10TH JOINT WITH VOLANT -RIH AT 29 FT/MIN AS PER PROGRAM -MONITORING WELL VIA PITS#2 AND#3 00:30 - 01:30 1.00 CASING P INTI CIRCULATE BOTTOMS UP X 1.5 AT 4,586'MD -STAGE PUMPS UP TO 5 BPM -2 BPM,250 PSI,9%F/O -3 BPM,370 PSI,14%F/O -4 BPM,480 PSI,19%F/O -5 BPM,890 PSI,24%F/O TOTAL STROKES PUMPED=2,137 P/U=115K,S/O=97K 01:30 - 12:00 10.50 CASING P INTI RIH WITH 7",26#L-80 VTHC CASING FROM 4,586'MD TO 8,345'MD -FILLING EVERY JOINT ON THE FLY WITH 2" FILL UP HOSE -FILL EVERY 5TH JOINT WITH VOLANT -RIH AT AS PER PROGRAM -PUSHING AWAY ROUGHLY 3.8 BBLS EVERY 10 JOINTS -MONITORING WELL VIA PITS#2 AND#3 -CIRCLUATED BOTTOMS UP FROM 7,249'MD TO 7,454'MD -RUNNING IN HOLE AT 5 FT/MIN,3 BPM,875 PSI -SHUT DOWN AND MONITOR WELL FOR 10 MIN -4 BBLS FLOWBACK IN THE FIRST 5 MIN -1 BLL FLOWBACK IN THE SECOND 5 MIN -P/U=240 K,S/O=110 K 73 BBLS OF FLUID LOSS FOR TOUR 12:00 - 00:00 12.00 CASING P INTI RIH WITH 7",26#L-80 VTHC CASING FROM 8,345'MD TO 12,871'MD. -FILLING EVERY JOINT ON THE FLY WITH 2" FILL UP HOSE -FILL EVERY 5TH JOINT WITH VOLANT TOOL UNTIL 9,550'MD,THEN FILLED EVERY 10TH JOINT AS PER PROGRAM. -RIH AS PER PROGRAM -PUSHING AWAY ROUGHLY 3.8 BBLS EVERY 10 JOINTS -MONITORING WELL VIA PITS#2 AND#3 184 BBLS OF FLUID LOSS FOR TOUR Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 31 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 7/19/2014 00:00 - 01:00 1.00 CASING P INTI RIH WITH 7",26#L-80 VTHC CASING FROM 12,871'MD TO 13,364'MD. -FILLING EVERY JOINT ON THE FLY WITH 2" FILL UP HOSE FILL EVERY 10TH JOINT WITH VOLANT TOOL -RIH AS PER PROGRAM -PUSHING AWAY ROUGHLY 3.8 BBLS EVERY 10 JOINTS MONITORING WELL VIA PITS#2 AND#3 01:00 - 01:30 0.50 CASING P INTI CIRCULATE 50 BBLS AT 13,364'TOP OF HRZ, JT#323 -3.5 BPM,1160 PSI -0%RETURNS 01:30 - 02:30 1.00 CASING P INTI RIH WITH 7",26#L-80 VTHC CASING FROM 13,364'MD TO 13,644'MD. -FILLING EVERY JOINT ON THE FLY WITH 2" FILL UP HOSE -FILL EVERY 10TH JOINT WITH VOLANT TOOL -RIH AS PER PROGRAM -PUSHING AWAY ROUGHLY 3.8 BBLS EVERY 10 JOINTS -MONITORING WELL VIA PITS#2 AND#3 -CHANGE OUT JOINT#324 AND COLLAR ON JOINT#323,NO CHANGE TO PIPE TALLY. 02:30 - 05:00 2.50 CASING P INTI ENCOUNTER OBSTRUCTION AT 13,644'MD -ATTEMPT TO WORK PAST-NO GO -FILL PIPE AND ATTEMPT TO CIRCULATE- SUSPECT PACK OFF -LAY DOWN 4 JOINTS(#330-327)TO 13,487' MD 05:00 - 05:30 0.50 CASING P INTI STAGE PUMPS UP TO CIRCULATE AND OBTAIN PARAMETERS -STAGE PUMPS UP TO 3.5 BPM -RECIPROCATE CASING FROM 13,457'MD TO 13,487'MD -300 STROKES,3 BPM,820 PSI -P/U=290K,S/O=135 K 05:30 - 09:30 4.00 CASING P INTI BEGIN TO RIH PUMPING DOWN AS PER TURBO CASER REP FROM 13,487'MD TO 13,765'MD -3 BPM,5 FT/MIN -WORKING PAST OBSTRUCTIONS AND WIPING TIGHT SPOTS -UNABLE TO WORK PAST OBSTRUCTION/ POSSIBLE PACK OFF AT 13,765'MD WITH 50 K SET DOWN AND MAX 1,250 PSI ROTARY SUPERINTENDENT ON LOCATION 09:30 - 11:00 1.50 CASING N DPRB 13,765.00 INTI POOH AND LAY DOWN JT'S#333-327 FROM 13,765'MD TO 13,487'MD -50 K OVERPULL AND 1,200 PSI Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 32 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual©88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 11:00 - 12:00 1.00 CASING N DPRB 13,765.00 INTI CIRCULATE AND RECIPROCATE FROM 13.449' MD TO 13,487'MD ON JT#326 -STAGING PUMPS UP TO 4 BPM,740 PSI,0% F/O CONTINUE TO STAGE PUMPS UP TO 6.5 BPM,1,130 PS,0%F/O -1,740 TOTAL STROKES -P/U=290 K,S/O=135 K -105 BBL/HR LOSS RATE AT 4 BPM -200 BBL/HR LOSS RATE AT 6 BPM LOST 175 BBLS TOTAL FOR CIRCULATION TOTAL FLUID LOSS FOR TOUR:360 BBLS 12:00 - 13:00 1.00 CASING N DPRB 13,765.00 INTI ATTEMPT TO CIRCULATE BOTTOMS UP -4 BPM,760 PSI -VERY MINIMAL RETURNS -LOSS RATE AT-200 BPH -P/U=286 K,S/O=135 K PLAN FORWARD FROM TOWN WAS TO POOH AND LAY DOWN 7"CASING 13:00 - 13:30 0.50 CASING N DPRB 13,765.00 INTI ATTEMPT TO POOH FROM 13,487'MD -PULL TO 13,440'MD AND LAY DOWN JT#326 -LATCH ON AND ATTEMPT TO PULL ON JT# 325-14 K OVERPULL -ATTEMPT TO S/O-UNSUCCESSFUL -NOTIFY WTL,ETL,ODE 13:30 - 21:00 7.50 CASING N DPRB 13,765.00 INTI WORKING TO FREE PIPE AT 13,440'MD P/U JT#326 AND ATTEMPT TO S/O BELOW ROTARY TABLE-UNSUCCESSFUL -L/D JT#326,STAB VOLANT TOOL INTO JT #325 AND STAGE PUMPS UP TO 5 BPM,1,600 PSI -WORKING 10 K RIGHT HAND TORQUE DOWN IN ATTEMPT TO SLUMP STRING FREE- UNSUCCESSFUL 1-ATTEMPT TO PULL STRING FREE STAGING HOOKLOAD UP TO 525 K-UNSUCCESSFUL -ATTEMPTS TO SHEAR TURBO CASER BURST DISK AT 1,700 PSI- UNSUCCESSFUL -PERFORM INITIAL FREE POINT CALCULATIONS-APPROX STUCK POINT BETWEEN 6,600'MD AND 8,000'MD-UGNU FORMATION 21:00 - 00:00 3.00 CASING N DPRB 13,765.00 INTI NOTIFY WTL,ETL AND ODE -SHUT DOWN PUMPS AND MEASURE FLOWBACK -APPROX 3.5 BBLS/5 MIN SIM-OPS: -SERVICE TOP DRIVE AND CROWN -WORK PIPE STRETCH EVERY HOUR -MONITOR WELL VIA PIT#2 -WAIT ON ORDERS FROM TOWN Printed 9/8/2014 12:36:27PM • North America-ALASKA-BP Page 33 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 7/20/2014 00:00 - 12:00 12.00 CASING N DPRB 13,765.00 INTI WAIT ON ORDERS FROM TOWN -WORK CASING INTERMITTENTLY TO ATTEMPT TO FREE STUCK CASING -450 K MAX OVERPULL,1,050 MAX PSI -MONITOR AND TRACK FLOWBACK EVERY TIME AFTER PUMPING FIRST 10 MIN=10 BBLS SECOND 10 MIN =5 BBLS FIRST HOUR TOTAL=22 BBLS SECOND HOUR TOTAL=14 BBLS SIM-OPS: COMPLETE PM'S -SCRUB DERRICK -BLOW DOWN INJECTION LINE TO PUMP -GENERAL HOUSEKEEPING NOTIFIED AOGCC @ 11:30 OF UPCOMING BOPE TEST.FOLLOWED UP WITH VERBAL NOTIFICATION TO LOU GRIMALDI. 12:00 - 00:00 12.00 CASING N DPRB 13,765.00 INTI WAITING ON SLB CEMENT TEST -STROKE PIPE EVERY 2-3 HOURS -440 K MAX OVERPULL WITH 1,000 PSI -NO MOVEMENT -RECORD FLOWBACK IN 5 MIN INTERVALS- ALWAYS SHOWING DECREASING TREND SIM-OPS: -COMPLETE PM'S -ORGANIZE TOOLS AND RIG CABINETS -GENERAL HOUSEKEEPING -PERFORM DERRICK INSPECTION 7/21/2014 00:00 - 03:00 3.00 CASING N DPRB 13,765.00 INTI WAITING ON SLB CEMENT. VERBAL APPROVAL FROM ODE TO PUMP 10 BELS OF WATER BEHIND CEMENT. 03:00 - 04:00 1.00 CASING N DPRB 13,765.00 INTI RIG UP FOR 7"CASING P&A -RIG UP ALL CEMENT HOSES AND LINES -VERIFY LINE UP -CIRCULATE IN PREPARATION FOR CEMENT JOB -4 BPM,1,500 PSI SIM-OPS: -GENERAL RIG HOUSEKEEPING -PJSM FOR CEMENT JOB WITH BPXA,DDI, SLB,HES,MI 04:00 - 04:30 0.50 CASING N DPRB 13,765.00 INTI PRESSURE TEST CEMENT LINES -FILL LINES WITH 5 BBLS OF WATER -250 PSI LOW/4,500 PSI HIGH FOR 5 CHARTED MINUTES-GOOD TEST Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 34 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 .-_...._.... Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 04:30 - 12:00 7.50 CASING N DPRB 13,765.00 INTI BEGIN 7"INTERMEDIATE CASING P&A -PUMP 50 BBLS OF 11 PPG MUD PUSH II SPACER -DROP BYPASS PLUG#1 -PUMP 285 BBLS OF 11.5 LITE-CRETE CEMENT.(YIELD 1.745 CU.FT/SK) -4 BPM,1,494 PSI. -SLOW RATE DUE TO PRESSURE LIMITATIONS OF ECP -3.6 BPM,1,483 PSI -DROP TOP PLUG#2 -WHEN UNSTINGING THE VOLANT IT WAS DISCOVERED THAT THE BYPASS PLUG#1 HAD NOT TRAVELED DOWN HOLE. -PUMP 97 BBLS OF 11.5 LITE-CRETE CEMENT (YIELD 1.745 CU.FT/SK) -3.0 BPM,1,309 PSI -DECREASE RATE DUE TO PRESSURE RESTRICTIONS -2.5 BBLS,1,554 PSI -DROP TOP PLUG#3-PLUGS#1 AND#2 HAD BEEN PUMPED DOWNHOLE -PUMP 10 BBL WATER FROM SLB PUMPS SWAP TO RIG PUMPS FOR DISPLACEMENT WITH 10.6 PPG LSND MUD PER SLB CADE -2.2 BPM,1,480 PSI -RECEIVE APPROVAL FROM ODE TO INCREASE PRESSURE LIMIT TO 1,700 PSI -INCREASE PUMP RATE TO REACH 1,700 PSI, CONTACTED ODE AGAIN TO RECEIVE APPROVAL TO INCREASE PRESSURE LIMIT TO 1,800 PSI -ONCE TOP PLUG#3 HAD PASSED CALCULATED DISPLACEMENT OF ECP TOOL, STAGE PUMPS UP IN ATTEMPT TO BURST TURBO CASER DISK TO REDUCE PUMP PRESSURES -STAGE FROM 2.4 BPM,1,880 PSI TO 4.0 BPM,2,420 PSI -PER CADE AT 3,300 TOTAL STROKES REDUCE RATE TO 2 BPM,1,145 PSI- NOTICEABLE REDUCTION IN PUMP PRESSURE -BUMP PLUG AT 4,075 STROKES,1,590 PSI -PRESSURE STABILIZED AT 1,120 PSI, INCREASE PRESSURE TO 1,500 PSI AND HOLD FOR 5 MINUTES TO VERY BUMP- PRESSURE HELD CONSTANT -CEMENT IN PLACE AT 11:00 HRS. -BLEED PRESSURE TO 1,100 PSI AND SWAP TO SLB PUMP UNIT -INCREASE PRESSURE TO 2,630 PSI FOR 2 MIN TO INFLATE BAKER ECP AS PER BAKER REP-CONFIRMED INFLATION OF ECP(WELL STATIC) -TOTAL LOSSES FROM CEMENT EXITING THE SHOE TO CEMENT IN PLACE=251 BBLS TOTAL LOSSES FOR TOUR=295 BBLS Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 35 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual©88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 12:00 - 14:30 2.50 CASING N DPRB 13,765.00 INTI SHIFT OPEN ES CEMENTER AND CIRCULATE BOTTOMS UP X2 -PRESSURE UP TO 3,460 PSI AS PER HALLIBURTON REP-CONFIRMED TOOL SHIFT -CIRCULATION WAS ESTABLISHED AND PUMPS WERE STAGE UP -6 BPM,ICP=1,080 PSI,FCP=650 PSI -CONTAMINATED MUD,PH=12.5 SEEN AT SURFACE AFTER 800 STROKES. -LOST TOTAL OF 93 BBLS DURING CIRCULATION 14:30 - 15:00 0.50 CASING N DPRB 13,765.00 INTI I MONITOR WELL -STATIC 15:00 - 17:00 2.00 CASING N DPRB 13,765.00 INTI j DROP ES CEMENTER CLOSING PLUG#4 -PUMP DOWN AT 6 BPM,750 PSI -SLOW RATE TO 2 BPM,250 PSI -PLUG ON SEAT WITH 3,477 STROKES 1-PRESSURE UP TO 2,600 PSI TO CLOSE ES CEMENTER AS PER HALLIBURTON REP -HOLD AND CHART PRESSURE FOR 30 MIN SIM-OPS: -HOLD PJSM WITH SLB,HALLIBURTON, BPXA,DDI ON UPCOMING WIRELINE OPERATIONS 1700 - 18'00 1.00 CASING N DPRB 13765.00 INTI RIG UP WIRELINE -MAKE-UP JUNK BASKET AND 6.0 GAUGE i RING ASSEMBLY -RIH AT 17:50 HRS 18:00 - 21:30 3.50 CASING N DPRB 13,765.00 INTI RIH TO 5,000'MD ON SLB WIRELINE -POOH AT 19:00 HRS -L/D GAUGE RING AND JUNK BASKET ASSEMBLY-BASKET EMPTY -SLB WIRELINE CREW C/O -HOLD PJSM SAFETY MEETING FOR MAKING UP CIBP WITH BPXA,DDI,SLB,HALLIBURTON 21:30 - 23:30 2.00 CASING N DPRB 13,765.00 INTI RIH WITH CIBP -REACH TARGET DEPTH OF 4,900'WLMD AT 23:30 -CORRELATE DEPTH • 23:30 - 00:00 0.50 CASING N DPRB 13,765.00 INTI SET CIBP AS PER HALLIBURTON REP -CIBP SET AT 4,877'WLMD,5'ABOVE COLLAR POSITIVE INDICATIONS OF GOOD SET -POOH ON WIRELINE TOTAL LOSSES FOR TOUR=124 BBLS 7/22/2014 00:00 - 01:00 1.00 CASING N DPRB 13,765.00 INTI POOH WITH SLB E-LINE AFTER SETTING CIBP -MONITOR WELL VIA TRIP TANK 01:00 - 04:30 3.50 CASING N DPRB 13,765.00 INTI I MAKE UP 7"JET CUTTER -RIH ON WIRELINE TO 4,900'WLMD CORRELATE DEPTHS MONITOR WELL VIA TT -WT ON SLIPS-150K 04:30 - 05:00 0.50 CASING N DPRB 13,765.00 INTI ATTEMPT TO FIRE 7"JET CUTTER -GET ON DEPTH AT 4,861'WLMD TO CUT 7" CASING ; -ATTEMPT TO FIRE CHARGE MULTIPLE TIMES WITH NO POSITIVE INDICATION OF 'FIRING BEGIN TO POOH WITH 7"JET CUTTER Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 36 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWP 500292351400 Active datum:Y-39 Actual©88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) _ (usft) 05:00 - 07:00 2.00 CASING N DPRB 13,765.00 INTI POOH ON WIRELINE AND REPAIR FAULTY WIRE -L/D TOOL AND REPAIR WIRE ON CHARGE CONNECTION -TEST CONNECTION-GOOD 07:00 - 10:30 3.50 CASING N DPRB 13,765.00 INTI RIH ON WIRELINE WITH 7"CUTTER#2 -CORRELATE DEPTHS FIRE CHARGE-POSITIVE INDICATION CUT DEPTH AT 4,857'WLMD. -POOH AND LAY DOWN CUTTER -RIG DOWN SLB TOOL ASSEMBLY AND TOP SHEAVE 10:30 - 12:00 1.50 CASING N DPRB 13,765.00 INTI ENGAGE VOLANT TOOL AND ATTEMPT TO PULL 7"CASING INITIALLY PULL TO 200 K,ESTIMATED 50 K OVER STRING WEIGHT-NO GO -CONTINUED TO INCREASE OVERPULL UP TO 250 K -BREAK CIRCULATION AND STAGE PUMPS UP -6 BPM,310 PSI,24%F/O -CIRCULATED BOTTOMS UP-NO CEMENT OR CUTTINGS ON SHAKERS -ATTEMPTED TO PULL WHILE CIRCULATING- NO GO -MINIMAL CHANGE 1N PRESSURE FROM 2.5 BPM TO 6 BPM -APPLY 5 K TORQUE AND PULL 175K-NO GO -HOLD 5K TORQUE AND PULL 200K -NO GO 12:00 - 15:00 3.00 CASING N DPRB 13,765.00 INTI MAKE UP WIRELINE TOOLS FOR SECONDARY CUT -HOLD PJSM WITH SLB WIRELINE,BPXA, DDI SENT AOGCC REP CHUCK SHEAVE UPDATE ON OUR SITUATION AND TIME FRAME FOR TESTING BOPE 15:00 - 17:00 2.00 CASING N DPRB 13,765.00 INTI RIH ON WIRELINE WITH 7"JET CUTTER FOR SECOND CUT -CORRELATE DEPTHS -FIRE CHARE-POSITIVE INDICATION -CUT DEPTH AT 4,547'WLMD-10'ABOVE INITIAL CUT -MONITOR WELL VIA TT -POOH AND LAY DOWN SLB CUTTER ASSEMBLY AND TOP SHEAVE I-WT ON SLIPS-155K Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 37 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 17:00 - 18:30 1.50 CASING N DPRB 13,765.00 INTI ENGAGE VOLANT TOOL AND ATTEMPT TO PULL 7"CASING -BREAK CIRCULATION AND STAGE PUMPS UP -6 BPM,320 PSI,23%F/O -PULLED TO 250 K-NO MOVEMENT -W/5K TQ PULL TO 225K -W/10K TQ PULL TO 200 -CONTINUOUSLY WORK PIPE UP AND DOWN BETWEEN 150 KAND 250 K NO MOVEMENT IN 7"CASING -PULL TO 275 K-NO MOVEMENT -NOTIFY ODE AND ETL -STAGE PUMPS UP -6 BPM,350 PSI,23%F/O -STAGE HOOK LOAD UP TO 400 K IN 25 K INCREMENTS-NO MOVEMENT NO CHANGE IN PUMP PRESSURE -MONITOR WELL VIA TT 18:30 - 00:00 5.50 CASING N DPRB 13,765.00 INTI WORK PIPE INTERMITTENTLY -PULL UP TO 350 K -S/O UP TO 150 K -PUMPS AT 5 BPM,305 PSI,23%F/O -RELEASE SLB WIRELINE UNIT©19:00 -MONITOR WELL VIA TT 7/23/2014 00:00 - 08:00 8.00 CASING N DPRB 13,765.00 INTI WAIT FOR HALLIBURTON WIRELINE UNIT -CIRCULATE AT 2 BPM,200 PSI,12%F/O -INCREASE RATE TO 6 BPM AND WORK PIPE INTERMITTENTLY -PULL 150-400 K SIM-OPS: -GENERAL RIG HOUSEKEEPING -LOAD AND STRAP 4"DP IN CASING SHED -COMPLETE PAINT PROJECTS -PM'S MONITOR WELL VIA PITS#1-3 08:00 - 12:00 4.00 CASING N DPRB 13,765.00 INTI RIG UP HALLIBURTON WIRELINE AND WAIT FOR LOGGING ASSEMBLY -INSTALL 4"ELEVATORS -BLOW DOWN TOP DRIVE -HOLD PJSM WITH HALLIBURTON,BPXA,DDI -RIG UP SHEAVES -WAIT FOR CAST-M LOGGING TOOL TO ARRIVE ON LOCATION SIM-OPS: -LOAD AND STRAP 4"DP IN CASING SHED -PM'S -GENERAL RIG HOUSEKEEPING -MONITOR WELL VIA TT TOTAL FLUID LOSS FOR TOUR=0 BBLS 12:00 - 14:00 2.00 CASING N DPRB 13,765.00 INTI MAKE UP HALLIBURTON CAST-M LOGGING TOOL -HOLD PJSM WITH BPXA,DDI,HALLIBURTON SIM-OPS: -WORK ON RIG CAMERA SYSTEM -GENERAL RIG HOUSEKEEPING -MONITOR WELL VIA TT Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 38 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 14:00 - 23:30 9.50 EVAL N DPRB 13,765.00 INTI RIH WITH CAST-M LOGGING TOOL -LOG DOWN TO 4,835'WLMD -SEND DATA TO TOWN FOR EVALUATION -LOG UP FROM 4,835'WLMD TO 4,550'WLMD SEND DATA TO TOWN FOR EVALUATION -LOG UP TO SURFACE -SEND DATA TO TOWN FOR EVALUATION -CAST-M LOGGING TOOL ON SURFACE AT 22:00 HRS SIM-OPS: -BUFF AND PAINT EXTERIOR DOORS -CLEAN AND PAINT PUMP ROOM -REPAIR SHELF IN GIRDER WALKWAY -MONITOR WELL VIA TT AT 21:00 HRS GIVE AOGCC UPDATE ON CURRENT STATUS AND PROJECTED TIMELINE FOR COMPLETED BOPE TEST 23:30 - 00:00 0.50 EVAL N DPRB 13,765.00 INTI RIH WITH CAST-M LOGGING TOOL RIH TO RE-LOG LOG(4,835'-4,500')WLMD FOR SECONDARY EVALUATION -RIH AT 100 FPM,LOG UP AT 20-30 FPM. -MONITOR WELL VIA TT TOTAL FLUID LOSS FOR TOUR=0 BBLS 7/24/2014 00:00 - 02:00 2.00 EVAL N DFAL 13,765.00 INTI HES TOOL FAILURE -C/O CONTROL BOARD -TROUBLE SHOOT TOOL CONNECTION 02:00 - 05:00 3.00 EVAL N DPRB 13,765.00 INTI CONTINUE SECONDARY LOGGING RUN WITH CAST-M LOGGING TOOL -RIH TO LOG 4,835'WLMD TO 4,500'WLMD FOR SECONDARY EVALUATION -HALLIBURTON HAVING ISSUES WITH CAST-M LOGGING TOOL -TOOL WOULD NOT SPIN,PULLED UP TO 2500'BEFORE TOOL WOULD START SPINNING. -RE-LOG F/4,835'TO 4,500'AT 20-30 FPM. -POOH FROM 4,500', -PJSM FOR LAYING DOWN HES TOOLS -LD CAST-M TOOL AND CCL -MONITOR WELL ON TRIP TANK SIM-OPS: -GENERAL RIG HOUSEKEEPING -PAINT ALL EXTERIOR DOORS 05:00 - 10:00 5.00 EVAL N DPRB 13,765.00 INTI CLEAN AND CLEAR RIG FLOOR -MOBILIZE PERF TOOLS -PJSM FOR PICKING UP PERF GUNS:BP, HES,DDI -DISCUSS HANDLING OF PERFS AND EXCLUSION ZONE MANAGEMENT -RIH WITH PERFS AND CORRELATE DEPTH CORRECTION TO OPEN HOLE MWD LOGS. -FIRE PERF GUNS AT 4,687'TO 4,693'. -SIX SHOTS PER FT OVER 6 FEET =TOTAL OF 36 SHOTS 3-3/8"MILLENNIUM CHARGES Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 39 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.2ousft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 10:00 - 12:00 2.00 DRILL N DPRB 13,765.00 INTI POOH WITH PERF GUNS FROM 4,687'TO 200' -PJSM FOR HANDLING PERF GUNS: -PULL AND LAYDOWN FIRED PERF GUNS -VERIFY ALL SHOTS FIRED -MONITOR WELL VIA THE TRIP TANK 12:00 - 15:00 3.00 EVAL N DPRB 13,765.00 INTI PU AND MU RADIAL CUTTING TORCH -PJSM FOR PICKING UP CUTTING TOOLS -PU TOOLS THROUGH THE BEAVER SLIDE. -MU THE CUTTING TORCH ASSEMBLY -TROUBLE SHOOT THE TOOL SIGNAL 15:00 - 18:30 3.50 EVAL N DPRB 13,765.00 INTI RIH WITH(HES)RCT -RIH TO 4,674'WLD CORRECTED TO MWD OH GAMMA DEPTH AND FIRE CUTTING TOOL -INDICATION OF FIRING AT SURFACE. -POOH WITH RCT F/4,674'TO SURFACE. VISUAL INDICATION OF FIRING ON TOOL 18:30 - 20:00 1.50 EVAL N DPRB 13,765.00 INTI MAKE UP VOLANT TO 7"STUMP -BREAK CIRCULATION -1 BPM-180 PSI -2 BPM-240 PSI -3 BPM-270 PSI PULL CASING FREE WITH 114K PUW -3 BPM,280 PSI -CIRCULATE 2 BOTTOMS UP STAGING PUMPS F/3 BPM TO 6 BPM WITH 330 PSI SIM-OPS: -RIG DOWN AND LAYDOWN HES TOOLS -RU CASING HANDLING TOOLS 20:00 - 00:00 4.00 EVAL N DPRB 13 765.00 INTI POOH WITH 7"CASING F/4674'LAYING DOWN TO THE CASING SHED -PULLED FIRST TWO JOINTS,SHOWED INDICATIONS OF SWABBING -PUMP OUT OF THE HOLE TO 3,444'MD -84 GPM,75 PSI,POOH AT 30 FPM **SENT EMAIL UPDATE TO THE AOGCC FOR BOPE TESTING" 7/25/2014 00:00 - 11:00 11.00 CASING N DPRB 13,765.00 INTI PUMP OUT OF HOLE AND LAY DOWN 7",26# L-80 VTHC CASING FROM 3,444'MD TO 280' MD -2 BPM,124 PSI,7%F/O -POOH FROM 280'MD ON ELEVATORS -MONITOR WELL VIA PITS#2-3 -RETRIEVED A TOTAL OF 113 JTS 7"CASING PLUS CUT JOINT AND 29 CENTRALIZERS -CUT JOINT LENGTH=33.87' -CUT LENGTH MATCHES CUT DEPTH ON DRILL CASING TALLY AT 4,674'MD *AOGCC REP BOB NOBLE WAIVED WITNESS TO UPCOMING BOPE TEST. 02:00 HRS 7/25/2014 11:00 - 12:00 1.00 CASING N DPRB 13,765.00 INTI CLEAN AND CLEAR RIG FLOOR -CIO UPPER RAMS TO 2-7/8"X 5-1/2"VBR'S -RIG DOWN 7"ELEVATORS,BAIL EXTENSIONS AND POWER TONGS -MONITOR WELL VIA PITS#2-3 FLUID LOSS FOR TOUR=0 BBLS Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 40 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 12:00 - 13:30 1.50 CASING N DPRB 13,765.00 INTI REMOVE 7"HANDLING EQUIPMENT -BLOW DOWN TOP DRIVE -INSTALL 5"BELL GUIDES -C/O SLIP INSERTS TO HAND SLIP INSERTS -MONITOR WELL VIA PITS#2-3 13:30 14:00 0.50 CASING N DPRB 13,765.00 INTI PICK UP SHEAR JOINT AND REMOVE FOSV 1 -MAKE UP STACK WASHER AND CLEAN STACK -LAY DOWN STACK WASHER -BLOW DOWN TOP DRIVE I 1 -MONITOR WELL VIA PITS#2-3 14:00 - 15:00 1.00 CASING N DPRB 13,765.00 INTI MAKE UP XT39 DART AND FOSV -MAKE UP 4-1/2"IF DART AND FOSV(X2) -INSTALL 4"TEST JOINT,TEST PLUG AND 1 FLUID PACK LINES S 15:00 - 19:00 4.00 CASING N DPRB 13,765.00 INTI TEST BOPE -TEST BOPE TO 250 PSI LOW,3,500 PSI HIGH FOR 5 CHARTED MIN -TEST(2)VBR WITH 4"&5"TEST JOINTS -TEST ANNULAR WITH 4"TEST JOINT -MANUAL AND SUPER CHOKES TEST TO 250 PSI LOW/2,000 PSI HIGH FOR 5 CHARTED MIN -PERFORM ACCUMULATOR DRAWDOWN: ACC=3,050 PSI,MANIFOLD=1,500 PSI,ACC =1,600 PSI AFTER ALL FUNCTION ON BOTTLES,21 SEC FOR 200 PSI -BUILD WITH 2 ELECTRIC PUMPS,128 SEC TO BUILD FULL SYSTEM PRESSURE WITH 2 ELECTRIC AND 2 AIR PUMPS -CLOSING TIMES:ANNULAR=25 SEC,UPR VBR'S=22 SEC,BLIND/SHEARS=27 SEC, LOWER VBR'S=22 SEC,CHOKE HCR=2 SEC,KILL HCR=2 SEC 2,030 PSI AVERAGE FOR 6 BACKUP BOTTLE ALL TESTS CHARTED,SEE ATTACHED BOP TEST CHARTS -ALL TEST PASS BP TEST CRITERIA FOR 1 BOPE TESTING -TEST WITNESS WAIVED BY AOGCC REP BOB NOBLE 19:00 - 19:30 0.50 CASING N DPRB 13,765.00 INTI LAY DOWN 5"TEST JOINT AND PULL TEST PLUG -INSTALL 9-15/16"ID,3.22'LENGTH WEAR BUSHING -BLOW DOWN CHOKE AND KILL LINES 19:30 - 20:00 0.50 CASING N DPRB 13,765.00 INTI MOBILIZE 5"DP PUPS TO RIG FLOOR -INSTALL 4"ELEVATORS INSTALL 4"SLIPS IN PS-21'S 20:00 - 22:30 2.50 CASING N DPRB 13,765.00 INTI RIH WITH MULE SHOE ON 4"DP AND 5"DP TO 4,573'MD -P/U=97K,S/O=83K MONITOR DISPLACEMENT VIA TT Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 41 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 22:30 - 23:00 0.50 CASING N DPRB 13,765.00 INTI STAGE PUMPS UP TO 14 BPM -ICP=170 PSI AT 2 BPM,11%F/O -FCP=1,164 PSI AT 14 BPM,41%F/O -TOTAL STROKES PUMPED=2,300 -MONITOR WELL VIA PITS#2-3 23:00 - 00:00 1.00 CASING N DPRB 13,765.00 INTI WASH DOWN FROM 4,573'MD TO 4,855'MD 2 BPM,85 GPM,135 PSI,11%F/O -TAG CASING STUB ON DEPTH AT 4,674'MD -MONITOR WELL VIA PITS#2-3 FLUID LOSS FOR TOUR=11 BBLS 7/26/2014 00:00 - 01:00 1.00 CASING N DPRB 13,765.00 INTI CIRCULATE BOTTOMS UP -ROT AND RECIPROCATE FROM 4,855'MD TO 4,764'MD -600 GPM,1,200 PSI,44%F/O 80 RPM,3K TORQUE -TOTAL STROKES PUMPED=6,593 MONITOR WELL VIA PITS#2-3 01:00 - 01:30 0.50 CASING N DPRB 13,765.00 INTI SPOT 25 BBL VISCOUS BENTONITE PILL FROM 4,855'MD TO 4,500'MD -PUMPING OUT AT 2.4 BPM,170 PSI -PULLING AT 30 FPM -10.6 PPG,150 VIS 01:30 - 02:00 0.50 CASING N DPRB 13,765.00 INTI CIRCULATE BOTTOMS UP -ROT AND RECIPROCATE FROM 4,500'MD TO 4,475'MD -600 GPM,160 PSI,42%F/O -100 RPM,3K TORQUE -TOTAL STROKES PUMPED=2,890 02:00 - 02:30 0.50 CASING N DPRB 13,765.00 INTI WASH AND REAM FROM 4,500'MD TO 4,664' MD -600 GPM,1,180 PSI,42%F/O -80 RPM,3K TORQUE MONITOR WELL VIA PITS#2-3 02:30 - 03:00 0.50 CASING N DPRB 13,765.00 INTI CIRCULATE BOTTOMS UP -ROT AND RECIPROCATE FROM 4,664'MD TO 4,571'MD -600 GPM,1,200 PSI,43%F/O -80 RPM,3K TORQUE -TOTAL STROKES PUMPED=3,973 MONITOR WELL VIA PITS#2-3 03:00 - 03:30 0.50 CASING N DPRB 13,765.00 INTI HOLD PJSM WITH SLB CEMENTERS,BPXA, DDI,MI SWACO -REVIEW PRESSURE CROSS CHECK,VERIFY PRESSURE RATINGS OF EQUIPMENT AND OVERPRESSURE PROTECTION DEVICES. -REVIEW JOB PROCEDURE -RIG UP CEMENT HEAD AND TIW 03:30 - 04:00 0.50 CASING N DPRB 13,765.00 INTI FLUID PACK AND PRESSURE TEST SLB CEMENT LINES -PUMP 10 BBLS 12 PPG MUDPUSH II TO FILL LINES -250 PSI LOW/4,500 PSI HIGH FOR 5 CHARTED MIN-GOOD TEST Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 42 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 04:00 - 06:00 2.00 CASING N DPRB 13 765.00 INTI PUMP BALANCED CEMENT PLUG WITH BOTTOM AT 4,664'MD -PUMP 60 BBLS 12 PPG MUD PUSH II AT 5 BPM -PUMP 32.5 BBLS 16.5 PPG CLASS G CEMENT AT 5 BPM -PUMP 14 BBLS 12 PPG MUD PUSH II AT 5 BPM -SWAP TO RIG PUMPS PUMP DISPLACEMENT: -PUMP 27 BBLS 10.6 PPG LSND MUD AT 5 BPM -PUMP 5 BBLS 10.6 PPG LSND MUD AT 2 BPM -BREAK OFF CEMENT HEAD AND TIW VALVE- PLUG BALANCED -PULL AND RACK BACK 6 STANDS OF 5"DP TO GET ABOVE CEMENT -POOH F/4,664'TO 4,100' -STAGE PUMPS UP TO 600 GPM AND BEGIN TO CIRCULATE OUT ANY EXCESS CEMENT AND SPACER -NO CEMENT SEEN AT SURFACE,SLIGHT SHOW OF MUD PUSH. NO LOSSES DURING CEMENT JOB -CALCULATED TOP OF CEMENT AT 4,264' 06:00 - 07:00 1.00 CASING N DPRB 13,765.00 INTI POOH ABOVE CEMENT -PUMP OUT OF THE HOLE FROM 4,100'TO 4,005'MD -600 GPM,1160 PSI -DROP FOAM WIPER BALLAND PUMP DOWN STRING VOLUME -PUMP 30 BBLS OF NUT PLUG SWEEP& DROP SECOND WIPER BALL AND CIRCULATE SURFACE TO SURFACE -600 GPM,1100 PSI,40 RPM,2.5K TQ, -SHUT DOWN AND MONITOR WELL-WELL STATIC 10.6 PPG LSND MUD IN/OUT 07:00 - 08:00 1.00 CASING N DPRB 13,765.00 INTI POOH ON ELEVATORS F/4,005'TO 3040'MD -C/O ELEVATORS AND SLIPS TO 4" -MONITOR TRIP VIA THE TRIP TANK 08:00 - 09:30 1.50 CASING N DPRB 13,765.00 INTI SLIP AND CUT DRILLING LINE -SLIP&CUT 63'OF DRILLING LINE -CALIBRATE TOTCO,SLB SENSORS AND AMPHION BLOCK HEIGHT 09:30 - 11:00 1.50 CASING N DPRB 13,765.00 INTI POOH ON ELEVATORS RACKING BACK IN THE DERRICK -POOH F/3,040'TO SURFACE -LD MULE SHOE- -MONITOR TRIP VIA THE TRIP TANK Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 43 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 11:00 - 20:30 9.50 CASING N DPRB 13,765.00 INTI -WAIT ON CEMENT TO REACH 2000 PSI COMPRESSIVE STRENGTH FOR DRILL OUT. CLEAN&CLEAR RIG FLOOR -C/O ELEVATORS TO 5"-DRILLER TO VERIFY SIZE -PU 5"TEST JNT&MU RUNNING TOOL -CHANGE OUT WEAR RING-9-15/16"ID,3.16' LENGTH -SERVICE PS-21 SLIPS,INSTALL STRIP 0 MATIC,SERVICE TOP DRIVE -COMPLETE DERRICK INSPECTION -PERFORM RIG PM'S 20:30 - 23:00 2.50 CASING N DPRB 13,765.00 INTI -WAIT ON CEMENT TO REACH 2000 PSI COMPRESSIVE STRENGTH FOR DRILL OUT. PICK UP PART OF THE DRILLING BHA#5 AND RIG TO 746' -3 NON MAG DC'S,14 JNTS OF 5"HWDP,1- JARS,6-JNTS OF 5"DP -MONITOR DISPLACEMENT ON TRIP TANK -POOH AND RACK BACK BHA 23:00 - 00:00 1.00 CASING N DPRB 13,765.00 INTI -WAIT ON CEMENT TO REACH COMPRESSIVE STRENGTH FOR DRILL OUT. SIM OPS:COMPLETE RIG PM'S AND HOUSEKEEPING -START LOADING 7"CASING IN THE PIPE SHED. 7/27/2014 00:00 - 06:00 6.00 CASING N DPRB 13,765.00 INTI WAIT ON CEMENT TO REACH 2000 PSI COMPRESSIVE STRENGTH FOR SIDE TRACK KICK OFF. -SIM OPS: RIG CREW PERFORMING PM'S -CONTINUE TO LOAD 7 VT IN THE CASING SHED 06:00 - 12:30 6.50 CASING N DPRB 13,765.00 INTI CONTINUE TO WAIT FOR CEMENT TO REACH 2000 PSI COMPRESSIVE STRENGTH. -SIM OPS:LOAD AND STRAP 7"IN CASIN SHED -PERFORM RIG PM'S, -MOBILIZE BHA TO RIG FLOOR. 12:30 - 13:30 1.00 DRILL N DPRB 13,765.00 INTI PICK UP 8.75"INTERMEDIATE HOLE BHA#5 AS PER SLB DD -MAKE UP BHA#5(RSS,ARC AND MWD)TO 647'MD -MONITOR DISPLACEMENT VIA PITS#2-3 13:30 - 14:00 0.50 DRILL N DPRB 13,765.00 INTI CHANGE OUT PS-21 SLIP INSERTS FROM HAND SLIPS TO 4"INSERTS -CHANGE ELEVATORS FROM 5"TO 4" -MONITOR DISPLACEMENT VIA PITS#2-3 14:00 - 15:30 1.50 DRILL N DPRB 13,765.00 INTI RIH ON ELEVATORS FROM 647'MD TO 3,977' MD -SHALLOW HOLE TEST MWD AT 1,600'MD -500 GPM,1,255 PSI,37%F/O-GOOD TEST -P/U=107K,S/O=80K -CHANGE OUT SLIP INSERTS TO 5" -PICK UP GHOST REAMER AT 3,940'AND XO AT 3,986' -MONITOR DISPLACEMENT VIA PITS#2-3 Printed 9/8/2014 12:36:27PM J" North America ALASKA-BP Page 44 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type.DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 1 Spud Date/Time.6/30/2014 6.00:OOPM Rig Release. Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual(d488.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 15:30 - 17:00 1.50 DRILL N DPRB 13,765.00 INTI WASH DOWN WITH 5"DP FROM 3,977'MD TO 4,450'MD -12 BPM,500 GPM,1,715 PSI,35%F/O -TAG CEMENT STRINGERS STARTING AT 4,370 WITH 1-2K WOB -TAG CEMENT STRINGER AT 4,431'MD WITH 5K WOB,TOOK 8K THEN FELL THROUGH MONITOR DISPLACEMENT VIA PITS#2-3 17:00 - 17:30 0.50 DRILL N DPRB I 13,765.00 INTI POOH TO 4,420'MD -CIRCULATE AND RECIPROCATE FROM 4,420' MD TO 4,360'MD. -12 BPM,500 GPM,1,769 PSI,37%F/O -NO ROTATION -TOTAL STROKES PUMPED=2,656 -MUD PUSH II,BENTONITE AND HIGH PH SEEN AT SHAKERS -MONITOR DISPLACEMENT VIA PITS#2-3 17.30 - 18:00 0.50 DRILL N DPRB 13,765.00 INTI POOH FROM 4,360'MD TO 3,977'MD -RACK BACK 4 STANDS OF 5"DP -P/U=112K,S/O=84K -MONITOR DISPLACEMENT VIA TT 18:00 - 18:30 0.50 DRILL N DPRB 13,765.00 INTI RIH WITH 4"DP FROM 3,977'MD TO 4,355'MD -CHANGE OUT ELEVATORS AND PS-21 SLIP INSERTS TO 4" -RIH WITH 4 STAND OF 4"DP -P/U=113K,S/O=81K -MONITOR DISPLACEMENT VIA TT 18:30 - 19:00 0.50 DRILL N DPRB 13,765.00 INTI RIH WITH 5"DP FROM 4,355'MD TO 4,454'MD -CHANGE OUT ELEVATORS AND PS-21 SLIP INSERTS TO TO 4" -KELLY UP AND WASH DOWN FROM 4,454' MD TO 4,480'MD 1-12 BPM,500 GPM,1,769 PSI,37%F/O -TAG CEMENT AT 4,480'MD WITH 15K WOB -MONITOR DISPLACEMENT VIA TT 19:00 - 19:30 0.50 DRILL N DPRB 13,765.00 INTI DRILL CEMENT FROM 4,480'MD TO 4,587'MD -12 BPM,500 GPM,1,969 PSI,37%F/O -60 RPM,7K TORQUE,10-12K WOB -OFF BOTTOM=1,964 PSI, -P/U=113K,S/O=81K,ROT=97K -MONITOR DISPLACEMENT VIA TT 19:30 - 20:30 1.00 DRILL N DPRB 13,765.00 INTI DISPLACE WELL FROM 10.6 PPG LSND TO 9.4+PPG LSND ROTATE AND RECIPROCATE FROM 4,587' MD TO 4,581'MD -510 GPM,ICP=1,980 PSI,FCP=1,490 PSI, F/O=37% -RPM=60,TORQUE OFF BTM=6K P/U=113K,S/O=81K,ROT=97K -TOTAL STROKES PUMPED=5,380 -MONITOR WELL-STATIC SPR'S AT 4,577'MD/3,057'TVD,MW=9.4 PPG -MUD PUMP#1-20/30 SPM=140/180 PSI -MUD PUMP#2-20/30 SPM=140/180 PSI Printed 9/8/2014 12.36:27PM North America-ALASKA-SP Page 45 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) • 20:30 - 21:00 0.50 DRILL N DPRB 13,765.00 INTI DRILL CEMENT FROM 4,587'MD TO 4,600'MD -12 BPM,500 GPM,1,704 PSI,37%F/O -60 RPM,7K TORQUE,10-12K WOB -OFF BTM=1,475 PSI -P/U=113K,S/O=81K,ROT=97K -MONITOR WELL VIA PITS#2-3 ESTABLISH ECD BASELINE-10.05 PPG NON ROTATING,10.11 PPG ROTATING. NEW REPORT CREATED FOR PLUG BACK 21:00 - 00:00 3.00 DRILL N DPRB 13,765.00 INTI SIDETRACK 8.75"INT HOLE F/4,600'MD TO 4,641'MD,3,101'TVD TIME DRILL AT 10 FPM FROM 4,600'MD TO 4,621'MD -SHUT DOWN-FLOW CHECK WELL WITH 20 OF NEW FORMATION DRILLED-WELL STATIC -TIME DRILL AT 50 FPM FROM 4,621'MD TO 1 4 ,641'MD -550 GPM,1,700 PSI,38%F/O -60 RPM,6K TORQUE,3K WOB OFF BTM=1,699 PSI -P/U=115K,S/0=90K,ROT=102K -AST/ART=2.55 HRS -ADT=2.55 HRS -TOTAL BIT HOURS=2.55 HRS -TOTAL JARS=2.55 HRS I-MW-9.5 PPG LSND -SUCESSFULL KOP @ 4,630'MD ESTABLISH ECD BASELINE-10.05 PPG NON ROTATING,10.11 PPG ROTATING. 7/28/2014 00:00 - 12:00 12.00 DRILL N DPRB 13,765.00 INTI DRILL 8 3/4"INTERMEDIATE HOLE FROM 4,641'MD TO 5,585"MD (3,529'TVD) -590 GPM,2,160 PSI ON,2,110 PSI OFF -150 RPM,6K TORQUE ON,5K TORQUE OFF -PU 129K,SO 96K,ROT 110K -ART/ADT=6.36 HRS,TOTAL BIT=8.91 HRS, TOTAL JAR=8.91 HRS -ECD:ACTUAL=10.3 PPG,CALC=10.10 -SURVEY EVERY STAND(—94')WITH MWD -ECD MANAGEMENT BACKREAM FULL STAND PRIOR TO CONNECTION. -PUMPED LOW/HIGH VIS SWEEPS EVERY 300' -AT 5,040'&5,310' MD,35BBL LOW/35BBL HIGH VIS -10%INCREASE IN CUTTINGS AT BU -MW-9.5 PPG IN/OUT -FLUID LOSS FOR TOUR=0 BBLS -SPR @ 5,585'MD/3531'TVD,MW 9.5 ppg -#1 MP 20/30 SPM=170/220 PSI -#2 MP 20/30 SPM=160/220 PSI Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 46 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 12:00 - 00:00 12.00 DRILL N DPRB 13,765.00 INTI DRILL 8 3/4"INTERMEDIATE HOLE FROM 5,585"MD TO 6,819'MD (4,071'TVD) -590 GPM,2,300 PSI ON,2,210 PSI OFF -150 RPM,6K TORQUE ON,5K TORQUE OFF -PU 129K,SO 96K,ROT 110K -ART/ADT=7.63 HRS,TOTAL BIT=16.54 HRS,TOTAL JAR=16.54 HRS -ECD:ACTUAL=10.54 PPG,CALC=10.27 -SURVEY EVERY STAND(-94')WITH MWD -ECD MANAGEMENT BACKREAM FULL STAND PRIOR TO CONNECTION AT FULL RATE UP AND 75%DOWN -PUMPED SWEEPS AS NEEDED,(-300') -LOW VIS/ HIGH VIS -5,600'-40%INCREASE IN CUTTINGS AT BU -5,900'-15%INCREASE IN CUTTINGS AT BU -6,200'-WEIGHTED SWEEP 11.4 PPG-20% INCREASE IN CUTTINGS -6,520'-15%INCREASE IN CUTTINGS AT BU -6,820-10%INCREASE IN CUTTINGS AT BU -MW-9.5 PPG IN/OUT -FLUID LOSS FOR TOUR=7 BBLS SPR©6,060'MD/3,737'TVD,MW 9.5 ppg -#1 MP 20/30 SPM=180/220 PSI -#2 MP 20/30 SPM=160/220 PSI -SPR @ 6,532'MD/3,944'TVD,MW 9.5 ppg -#1 MP 20/30 SPM=170/220 PSI -#2 MP 20/30 SPM=180/220 PSI Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 47 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 7/29/2014 00:00 - 12:00 12.00 DRILL N DPRB 13,765.00 INTI DRILL 8 3/4"INTERMEDIATE HOLE FROM 6,819'MD TO 7860'MD,4,529'TVD -590 GPM,2,360 PSI ON,2,210 PSI OFF -150 RPM,6K TORQUE ON,5K TORQUE OFF -ART/ADT=8.21 HRS,TOTAL BIT=24.2 HRS, TOTAL JAR=24.2 HRS -ECD:ACTUAL=10.52 PPG,CALC=10.20 -SURVEY EVERY STAND(-94')WITH MWD -ECD MANAGEMENT BACKREAM FULL STAND PRIOR TO CONNECTION AT FULL RATE UP AND 75%DOWN -PUMPED SWEEPS AS NEEDED,(-300') - -LOW VIS/ HIGH VIS -6,830'-10%INCREASE IN CUTTINGS AT BU 7,205'-WEIGHTED SWEEP 11.4 PPG-40% INCREASE IN CUTTINGS -7,500'-30%INCREASE IN CUTTINGS AT BU -7,775'-WEIGHTED SWEEP 11.4 PPG-40% INCREASE IN CUTTINGS -MW-9.5 PPG IN/OUT -FLUID LOSS FOR TOUR=23 BBLS -DUMPED 275 BBLS OF OLD 9.5+PPG MUD AND ADDED 300 BBLS OF NEW 9.4 PPG. 275 BBLS OF OLD MUD SENT TO MI MUD PLANT TO BE TREATED WITH STRESS CAGE FOR LATER USE. -SPR @ 7,671'MD/4,195'TVD,MW 9.4+ppg -#1 MP 20/30 SPM=200/260 PSI -#2 MP 20/30 SPM=190/260 PSI Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 48 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual©88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 12:00 - 00:00 12.00 DRILL N DPRB 13,765.00 INTI DRILL 8 3/4"INTERMEDIATE HOLE FROM 5,585"MD TO 6,819'MD (4,071'TVD) 590 GPM,2,300 PSI ON,2,210 PSI OFF 150 RPM,6K TORQUE ON,5K TORQUE OFF -PU 129K,SO 96K,ROT 110K -ART/ADT=7.66 HRS,TOTAL BIT=31.86 HRS,TOTAL JAR=31.86 HRS -ECD:ACTUAL=10.52 PPG,CALC=10.10 -SURVEY EVERY STAND(-94')WITH MWD -ECD MANAGEMENT BACKREAM FULL STAND PRIOR TO CONNECTION AT FULL RATE UP AND 75%DOWN -PUMPED SWEEPS AS NEEDED,(-300') -LOW VIS/ HIGH VIS -8,075'-10%INCREASE IN CUTTINGS AT BU -8,280'-15%WEIGHTED SWEEP 11.4 PPG- 40%INCREASE IN CUTTINGS -8,620'-10%INCREASE IN CUTTINGS AT BU -DUMPED 275 BBLS OF OLD 9.5+PPG MUD AND ADDED 300 BBLS OF NEW 9.4 PPG. -275 BBLS OF OLD MUD SENT TO MI MUD PLANT TO BE TREATED WITH STRESS CAGE FOR LATER USE. -MW-9.4+PPG IN/OUT -FLUID LOSS FOR TOUR=0 BBLS -SPR @ 8,235'MD/4,694'TVD,MW 9.4+ppg -#1 MP 20/30 SPM=220/270 PSI -#2 MP 20/30 SPM=200/260 PSI 7/30/2014 00:00 - 12:00 12.00 DRILL N DPRB 13,765.00 INTI DRILL 8 3/4"INTERMEDIATE HOLE FROM 6,819'MD TO 9,849'MD,5,412'TVD -590 GPM,2,300 PSI ON,2,210 PSI OFF -150 RPM,12K TORQUE ON,9K TORQUE OFF -PU 129K,SO 96K,ROT 110K -ART/ADT=7.66 HRS,TOTAL BIT=31.86 HRS,TOTAL JAR=31.86 HRS -ECD:ACTUAL=10.47 PPG,CALC=10.17 -SURVEY EVERY STAND(-94')WITH MWD -ECD MANAGEMENT BACKREAM FULL STAND PRIOR TO CONNECTION AT FULL RATE UP AND 75%DOWN -PUMPED SWEEPS AS NEEDED,(-300') -LOW VIS/ HIGH VIS -9,190'-15%WEIGHTED SWEEP 11.4 PPG- 25%INCREASE IN CUTTINGS -9,475'-10%INCREASE IN CUTTINGS AT BU -9,760'-10%INCREASE IN CUTTINGS AT BU -MW-9.4+PPG IN/OUT DUMP&DILUTE: -DUMPED 290 BBLS OF OLD 9.5+PPG MUD AND ADDED 290 BBLS OF NEW 9.4 PPG. -29 BBLS OF OLD MUD SENT TO MI MUD PLANT TO BE TREATED WITH STRESS CAGE FOR LATER USE SIM OPS:RIG SERVICE, -TOP DRIVE AND DROPPED OBJECT PREVENTION INSPECTION. Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 49 of 77 Operation Summary Report Common Well Name Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 12:00 - 00:00 12.00 DRILL N DPRB 13,765.00 INTI DRILL 8 3/4"INTERMEDIATE HOLE FROM 9,849"MD TO 10,950'MD (5,901'TVD) -590 GPM,2,720 PSI ON,2,610 PSI OFF -150 RPM,11K TORQUE ON,8K TORQUE OFF -PU 208K,SO 133K,ROT 169K -ART/ADT=7.87 HRS,TOTAL BIT=46.47 HRS,TOTAL JAR=46.47 HRS -ECD:ACTUAL=10.72 PPG,CALC=10.31 -SURVEY EVERY STAND(-94')WITH MWD -ECD MANAGEMENT BACKREAM FULL STAND PRIOR TO CONNECTION AT FULL RATE UP AND 75%DOWN -PUMPED SWEEPS AS NEEDED,(-300') -LOW VIS/ HIGH VIS -10,045'-15%INCREASE IN CUTTINGS AT BU -10,323'-15%WEIGHTED SWEEP 11.4 PPG- 30%INCREASE IN CUTTINGS -10,610'-10%INCREASE IN CUTTINGS AT BU 10,900'-15%WEIGHTED SWEEP 11.4 PPG- 30%INCREASE IN CUTTINGS DUMP&DILUTE: DUMPED 470 BBLS OF OLD 9.5+PPG MUD AND ADDED 470 BBLS OF NEW 9.4 PPG. -180 BBLS OF OLD MUD SENT TO MI MUD PLANT TO BE TREATED WITH STRESS CAGE FOR LATER USE. TOTAL-780 BBLS OF STRESS CAGE AT MI -MW-9.4+PPG IN/OUT FLUID LOSS FOR TOUR=0 BBLS -SPR @ 10,508'MD/5,707'TVD,MW 9.4+ppg -#1 MP 20/30 SPM=250/320 PSI -#2 MP 20/30 SPM=250/320 PSI 7/31/2014 00:00 - 12:00 12.00 DRILL N DPRB 13,765.00 INTI DRILL 8 3/4"INTERMEDIATE HOLE FROM 10,950''MD TO 11,838'MD -590 GPM,2,720 PSI ON,2,610 PSI OFF -150 RPM,15K TORQUE ON,12K TORQUE OFF -PU 222K,SO 139K,ROT 174K -ART/ADT=7.27 HRS,TOTAL BIT=53.74 HRS,TOTAL JAR=53.74 HRS -ECD:ACTUAL=10.92 PPG,CALC=10.45 -SURVEY EVERY STAND(-94')WITH MWD -ECD MANAGEMENT BACKREAM FULL STAND PRIOR TO CONNECTION AT FULL RATE UP AND 75%DOWN -PUMPED SWEEPS AS NEEDED,(-300') -LOW VIS/ HIGH VIS -11,269'-15%INCREASE IN CUTTINGS AT BU -11,555'- WEIGHTED SWEEP 11.4 PPG-30% INCREASE IN CUTTINGS -MW-9.5 PPG IN/OUT DUMP&DILUTE: -DUMPED 290 BBLS OF OLD 9.5+PPG MUD AND ADDED 290 BBLS OF NEW 9.4 PPG. MADE NOTIFICATION TO THE AOGCC FOR UPCOMING BOPE PRESSURE TEST -TEST WILL BE MADE DURING THE SHORT TRIP PRIOR TO DRILING THE HRZ AND KNGAK. Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 50 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 12:00 - 00:00 12.00 DRILL N DPRB 13,765.00 INTI DRILL 8 3/4"INTERMEDIATE HOLE FROM 11,838'MD TO 12,596 (6,6311'TVD) -590 GPM,3,080 PSI ON,,010 PSI OFF -135 RPM,16K TORQUE ON,12KTORQUE OFF -PU 243K,SO 141K,ROT 175K -ART/ADT=8.43 HRS,TOTAL BIT=62.17 HRS,TOTAL JAR=62.17 HRS -ECD:ACTUAL=10.74 PPG,CALC=10.32 -SURVEY EVERY STAND(-94')WITH MWD -ECD MANAGEMENT BACKREAM FULL STAND PRIOR TO CONNECTION AT FULL RATE UP AND 75%DOWN -PUMPED SWEEPS AS NEEDED,(-300') '-LOW VIS/ HIGH VIS -11,950'-15%INCREASE IN CUTTINGS AT BU -12,220'-15% INCREASE IN CUTTINGS AT BU 12,500'-10%INCREASE IN CUTTINGS AT BU DUMP&DILUTE: -DUMPED 120 BBLS OF OLD 9.5+PPG MUD AND ADDED 120 BBLS OF NEW 9.4 PPG. -MW-9.5 PPG IN/OUT -SPR @ 12,402'MD/6,544'TVD,MW 9.4+ppg -#1 MP 20/30 SPM=300/380 PSI #2 MP 20/30 SPM=300/320 PSI 8/1/2014 00:00 - 12:00 12.00 DRILL N DPRB 13,765.00 INTI DRILL 8 3/4"INTERMEDIATE HOLE FROM 12,596'MD TO-13,330'MD.7067'TVD -580 GPM,3,400 PSI ON,,3350 PSI OFF 135 RPM,16K TORQUE ON,14K TORQUE OFF -PU 255K,SO 149K,ROT 197K -ART/ADT=8.35 HRS,TOTAL BIT=70.52 HRS,TOTAL JAR=70.52 HRS -ECD:ACTUAL=11.26 PPG,CALC=10.61 -SURVEY EVERY STAND(-94')WITH MWD -ECD MANAGEMENT BACKREAM FULL STAND PRIOR TO CONNECTION AT FULL RATE UP AND 75%DOWN -PUMPED SWEEPS AS NEEDED,(-300') -LOW VIS/ HIGH VIS -12,800'-10%INCREASE IN CUTTINGS AT BU -13,100'-10%INCREASE IN CUTTINGS AT BU -WEIGHT UP FROM 9.5 PPG TO 9.8 PPG 100' ABOVE THE CM1 AT-13,100' RECIEVED NOTICE BACK FROM THE AOGCC- JOHN CRISP @ 09:45 Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 51 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 12:00 - 18:30 6.50 DRILL N DPRB 13,765.00 INTI DRILL 8 3/4"INTERMEDIATE HOLE FROM 13,330'MD TO 13,733' (7,401'TVD) -580 GPM,3,330 PSI ON,,3260 PSI OFF 150 RPM,19K TORQUE ON,18K TORQUE TOFF -PU 285K,SO 156K,ROT 200K -ART/ADT=4.61 HRS,TOTAL BIT=75.13 HRS,TOTAL JAR=75.13 FIRS -ECD:ACTUAL=11.26 PPG,CALC=10.61 -SURVEY EVERY STAND(-94')WITH MWD -ECD MANAGEMENT BACKREAM FULL I STAND PRIOR TO CONNECTION AT FULL RATE UP AND 75%DOWN -PUMPED SWEEPS AS NEEDED,(-300') LOW VIS/ HIGH VIS -13,360'-10%INCREASE IN CUTTINGS AT BU -13,644'-15% INCREASE IN CUTTINGS AT BU MW-9.8 PPG IN/OUT -SPR @ 12,402'MD/6,544'TVD,MW 9.4+ppg -#1 MP 20/30 SPM=300/380 PSI -#2 MP 20/30 SPM=300/320 PSI 18:30 - 00:00 5.50 DRILL N DPRB 13,765.00 INTI CIRCULATE HOLE CLEAN WITH 5.5 TOTAL BOTTOMS UP ROTATE AND RECIPROCATE PIPE F/13,730' MD TO 13,632'MD,ALTERNATING DEPTHS AS TO NOT WASH OUT THE HOLE. -580 GPM,3260 PSI,40%FO,150 RPM,17K TQ,40%FO -PUW-280K,SOW-154K,ROT-199K -STARTING ECD: ACTUAL=11.26 PPG,CALC =10.61 -FINAL ECD:ACTUAL=10.91 PPG,CALC= 10.61 -MW-9.8 PPG IN/OUT -SPR @ 13,730'MD/7,401'TVD,MW 9.8 ppg -#1 MP 20/30 SPM=280/370 PSI -#2 MP 20/30 SPM=280/380 PSI 8/2/2014 00:00 - 00:30 0.50 DRILL N DPRB 13,765.00 INTI POOH FIVE STANDS TO 13,162' -PUW-280,SOW-154, -MONITOR TRIP ON TRIP TANK -HOLE SLICK-NO OVER PULL -RIH FROM 13,162'MD TO 13,733,NO TIGHT SPOTS ENCOUNTERED. 00:30 - 01:30 1.00 DRILL N DPRB 13,765.00 INTI PUMP 290 BBLS OF 9.8 PPG (35 LB/BBL) STRESS CAGE MATERIAL -ROTATE AND RECIPROCATE WHILE PUMPING STRESS CAGE -500 GPM,2480 PSI,150 RPM,16-18 TQ -RECIPROCATE FROM 13,733'TO 13,632' -DISPLACE STRESS CAGE WITH 214 BBLS OF REGULAR 9.8 PPG LSND -RATES SAME AS ABOVE MONITOR WELL PRIOR TO PULLING OFF BOTTOM-WELL STATIC -STRESS CAGE:G-SEAL,SAFE GARB 250, SAFE CARB 500-TOTAL 25 LB/BBL MIX Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 52 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 01:30 - 08:30 7.00 DRILL N DPRB 13,765.00 INTI POOH ON ELEVATORS F/13,632'MD TO -4,546'MD -MONITOR FIRST 2 STANDS FOR SWABBING, HOLE NOT SWABBING-TURN ON HOLE FILL AND CONTINUE OUT OF THE HOLE -MONITOR TRIP ON THE TRIP TANK.-HOLE TAKING CORRECT HOLE FILL -TIGHT SPOTS ENCOUNTERED AT: -10,817 -10,705' -10,615' -10,520' -15-20 K OVER PULL ENCOUNTERED-WIPED EACH SPOT CLEAN WITH ONE PASS. -MW-9.8 PPG 08:30 - 09:30 1.00 DRILL N DPRB 13,765.00 INTI CIRCULATE BOTTOMS UP X 2 -580 GPM,2450 PSI, -RECIPROCATE PIPE FROM 4,546'TO 4,450' MD -MW-9.8 PPG IN/OUT 09:30 - 10:00 0.50 WHSUR N DPRB 13,765.00 INTI PREP TOOLS TO PULL THE WEAR RING AND SET TEST PLUG -MU XO'S TO FMC IN STRING WEAR RING PULLER W/ENERGIZED PINS 10:00 - 12:00 2.00 WHSUR N DPRB 13,765.00 INTI ATTEMPT TO PULL WEAR RING PER FMC DIRECTION -ATTEMPTS WERE MADE TO PULL WEAR RING UTILIZING NEW FMC TOOL. -WAS UNSUCCESSFUL IN PULLING THE WEAR RING ATTEMPTING VARIOUS METHODS WITH FMC REP DIRECTION. 12:00 - 14:00 2.00 WHSUR N DPRB 13,765.00 INTI LAY DOWN FMC IN STRING WEAR RING PULLER -PREPARATION FOR BOPE TESTING -PU SHEAR JOINT&REMOVE FOSV,MU 4-1/2"IF DART AND 2 FOSV'S MU XT39 DART AND FOSV 14:00 - 15:00 1.00 WHSUR N SFAL 13,765.00 INTI WAIT ON HALLIBURTON STORM PACKER -CLEAN AND CLEAR RIG FLOOR,PREP FOR SETTING RTTS -SIM OPS:C/O#1 SHALE SHAKER BED. -MONITOR WELL ON TRIP TANK. 15:00 - 16:00 1.00 WHSUR N DPRB 13,765.00 INTI PU/MU AND RIH WITH RTTS -SET RTTS 93'BELOW GROUND LEVEL -TEST RTTS TO 250 LOW,1500 PSI HIGH-ALL TESTS CHARTED-GOOD TEST 16:00 - 18:00 2.00 WHSUR N DPRB 13,765.00 INTI PULL WEAR BUSHING -DRAIN STACK,PU 4"TEST JOINT MU CONVENTIONAL WEAR RING PULLER & PULL WEAR BUSHING. -INSTALL TEST PLUG W/4"TEST JOINT -RU TEST EQUIPMENT,FILL STACK,CHOKE AND KILL LINES W/WATER. Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 53 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 18:00 - 22:00 4.00 BOPSUR N DPRB 13,765.00 INTI TEST BOPE -TEST BOPE TO 250 PSI LOW,3,500 PSI HIGH FOR 5 MINUTES EACH -TEST(2)2-7/8"X 5-1/2" VBR WITH 4"&5" TEST JOINTS TEST ANNULAR WITH 4"TEST JOINT -ALL TESTS CHARTED,SEE ATTACHED BOP TEST CHARTS -ALL TEST PASS BP TEST CRITERIA FOR BOPE TESTING -TEST WITNESS WAIVED BY AOGCC REP JOHN CRISP-8/2/14 22:00 - 23:00 1.00 BOPSUR N DPRB 13,765.00 INTI RIG DOWN TEST EQUIPMENT&BLOW DOWN LINES -PULL TEST PLUG -INSTALL WEAR RING-W/9-15/16 ID MU 5"SHEAR JOINT 23:00 - 00:00 1.00 BOPSUR N DPRB 13,765.00 INTI RIH AND PULL RTTS. -MU&RIH WITH RUNNING TOOL ON 5"DP, ENGAGE AND PULL RTTS FREE AS DIRECTED BY HES REP -HAD TO KELLY UP AND WASH UP OVER THE 'TOP OF THE RTTS TO REMOVE DEBRIS BEFORE MAKING UP. 4BPM,40PSI. PULL AND LAY DOWN RTTS AND RUNNING TOOL. 8/3/2014 00:00 - 01:30 1.50 BOPSUR N DPRB 13,765.00 INTI SLIP AND CUT DRILLING LINE -SLIP ON&CUT 110'DRILLING LINE -CALIBRATE AMPHION,TOTCO,SLB BLOCK HEIGHT 01:30 - 02:30 1.00 DRILL N DPRB 13,765.00 INTI TIH ON ELEVATORS FROM 4,450"MD TO 6,345'MD -PUW-122K,SOW-87K -MONITOR DISPLACEMENT VIA PITS#2 -FILLING PIPE EVERY 2000'AND STAGING PUMPS UP TO 550 GPM,W/ 80 RPM -HOLE SLICK-NO TIGHT SPOTS ENCOUNTERED 02:30 - 03:30 1.00 DRILL N DPRB 13,765.00 INTI - CIRCULATE FULL BOTTOMS UP @6,345' -AFTER PIPE IS FULL STAGE PUMPS UP UNTIL PRESSURE STABILIZES IN 1.5 BPM INCREMENTS -CONTINUE STAGING PUMPS UP IN 2 BBLS INCREMENTS ONCE MWD TURNS ON AND READS ACTUAL ECD -CIRC BU @ 550 GPM,2480 PSI,39%F/O -ECD=10.57 -P/U 145K S/0=103K -MW-9.8 PPG IN/OUT 03:30 - 05:00 1.50 DRILL N DPRB 13,765.00 INTI RIH F/6,345 T/8,240'MD-MONITOR DISPLACEMENT VIA PITS#2 Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 54 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 05:00 - 06:00 1.00 DRILL N DPRB 13,765.00 INTI ROT AND RECP F/8,240'T/8,147' - CIRCULATE FULL BOTTOMS UP @8,240' -AFTER PIPE IS FULL STAGE PUMPS UP UNTIL PRESSURE STABILIZES IN 1.5 BPM 1INCREMENTS -CONTINUE STAGING PUMPS UP IN 2 BBLS INCREMENTS ONCE MWD TURNS ON AND READS ACTUAL ECD -CIRC BU @ 550 GPM,2680 PSI,39%F/O -ECD=10.57 -P/U 185K S/0=103K 06:00 - 07:00 1.00 DRILL N DPRB 13,765.00 INTI RIH F/8,240'T/10,133'MD-MONITOR DISPLACEMENT VIA PITS#2 07:00 - 08:30 1.50 DRILL N DPRB 13,765.00 INTI ROT AND RECP F/10,133'T/10,037' - CIRCULATE FULL BOTTOMS UP @10,133' -AFTER PIPE IS FULL STAGE PUMPS UP UNTIL PRESSURE STABILIZES IN 1.5 BPM INCREMENTS -CONTINUE STAGING PUMPS UP IN 2 BBLS INCREMENTS ONCE MWD TURNS ON AND READS ACTUAL ECD -CIRC BU©550 GPM,2850 PSI,39%F/O -ECD=10.64 -P/U 205 K S/0=126 K 08:30 - 09:30 1.00 DRILL N DPRB 13,765.00 INTI RIH F/10,133'T/12,027'MD-MONITOR DISPLACEMENT VIA PITS#2 09:30 - 11:00 1.50 DRILL N DPRB 13,765.00 INTI ROT AND RECP F/12,027'T/11,932' - CIRCULATE FULL BOTTOMS UP @12,027' -AFTER PIPE IS FULL STAGE PUMPS UP UNTIL PRESSURE STABILIZES IN 1.5 BPM INCREMENTS -CONTINUE STAGING PUMPS UP IN 2 BBLS INCREMENTS ONCE MWD TURNS ON AND READS ACTUAL ECD -CIRC BU @ 525 GPM,2700 PSI,39%F/O OBSERVED INCREASE ECD 11.34 REDUCED PUMP RATE TO REDUCE HOLE SHOCK -POTENTIAL.OBSERVED INCREASE CUTTINGS RETURNS.STAGE PUMP BACK UP SLOWLY AS ECD ALLOWED. -ECD=11.14 SHAKERS CLEANED UP. -P/U 243 K S/0=130 K 11:00 - 12:00 1.00 DRILL N DPRB 13,765.00 INTI RIH F/12,027'T/13,638'MD-MONITOR DISPLACEMENT VIA PITS#2 P/U=290K S/0=125K 12:00 - 13:00 1.00 DRILL N DPRB 13,765.00 INTI ROT AND RECP F/13,732'T/13,636' - CIRCULATE FULL BOTTOMS UP @' -AFTER PIPE IS FULL STAGE PUMPS UP UNTIL PRESSURE STABILIZES IN 1.5 BPM INCREMENTS -CONTINUE STAGING PUMPS UP IN 2 BBLS INCREMENTS ONCE MWD TURNS ON AND READS ACTUAL ECD -CIRC BU @ 545 GPM,3100 PSI,39%F/O -INCREASED CUTTINGS ACROSS SHAKERS DURING CIRCULATION -ECD=11.14 SHAKERS CLEANED UP. -P/U 205K S/0=126K Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 55 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 13:00 - 15:00 2.00 DRILL N DPRB 13,765.00 INTI ROT AND RECP WHILE WEIGHTING UP MUD SYSTEM TO 10.0 PPG LSND GPM=540,PSI 2930,F/O=37%,RPM 100,TQ OFF 28K,P/U 300K,S/O 131K,ROT=205K ECD 10.74 MONITOR WELL WITH 10.0 MUD WT.IN AND OUT,WELL STATIC NO LOSS/NO GAIN. 15:00 - 19:30 4.50 DRILL N DPRB 13,765.00 INTI ROT AND RECIPROCATE WHILE WEIGHTING UP MUD SYSTEM TO 10.2 PPG LSND F/13,732'MD TO 13,363'MD GPM=540,PSI 2930,F/O=37%,RPM 100,TQ OFF 28K, ADDED LUBES DUE TO INCREASED TORQ.- FROM 1.5%TO 2.5% -TQ REDUCED F/26-28 K TO 20-21 K P/U 300K,S/O 131K,ROT=205K ECD 10.74 '-MONITOR WELL WITH 10.2 MUD WT.IN AND OUT,WELL STATIC NO LOSS/NO GAIN. OBTAIN SPR'S&ECD BASELINE.-11.08 -MW-10.2 PPG IN/OUT -SPR @ 13,732'MD/7,393'TVD,MW 10.2 PPG,19:00 -#1 MP 20/30 SPM=280/360 PSI #2 MP 20/30 SPM=280/360 PSI 19:30 - 00:00 4.50 DRILL N DPRB 13,765.00 INTI DRILL 8 3/4"INTERMEDIATE HOLE FROM 13,733'MD TO 13,990' (7,633'TVD) -540 GPM,3,195 PSI ON,,3180 PSI OFF -140 RPM,24K TORQUE ON,23K TORQUE OFF -PU 283K,SO 157K,ROT 213K -ART/ADT=3.1 HRS,TOTAL BIT=78.23 HRS, TOTAL JAR=78.23 HRS -ECD:ACTUAL=11.24 PPG,CALC=11.08 -SURVEY EVERY STAND(-94')WITH MWD -ECD MANAGEMENT BACKREAM FULL STAND PRIOR TO CONNECTION AT FULL RATE UP AND 75%DOWN -PUMPED SWEEPS AS NEEDED,OR EVERY (-300') 8/4/2014 00:00 - 04:00 4.00 DRILL N DPRB 13,765.00 INTI DRILL 8 3/4"INTERMEDIATE HOLE FROM 13,990'MD TO 14,206'MD 7.660'; (TVD) -545 GPM,3145 PSI ON,,3120 PSI OFF -140 RPM,23K TORQUE ON,22K TORQUE OFF -ECD:ACTUAL=11.25 PPG,CALC=11.08 MW-10.2 PPG IN/OUT -PUMP HIGH/LOW VIS SWEEP AT 14,040' MD-15%RETURNS IN CUTTINGS AT BOTTOMS UP. Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 56 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 04:00 - 05:00 1.00 DRILL N DPRB 13,765.00 INTI SUSPECTED WASH OUT IN DRILL STRING -PUMPING AT 545 GPM -PRESSURE DROP FROM 3100 PSI TO 2778 PSI IN 23 MIN. TURBINE RPM DROP FROM 2920 TO 2560 -CHECKING SURFACE EQUIPMENT. -REDUCED PUMP RATE TO 410 GPM -PRESSURE DROPPED F/1730 PSI TO 1630 PSI IN 10 MIN -TURBINE RPM DROPPED F/1720 TO 1600 -SHUT DOWN AND PRESSURE TESTED SURFACE LINES TWICE TO VERIFY INTEGRITY -GOT SPR'S. NOTIFIED DAY WSLAND ROTARY SUPT OF SITUATION. -MONITOR WELL FOR 10 MIN-WELL STATIC. 05:00 - 07:00 2.00 DRILL N DPRB 13,765.00 INTI POOH FROM 14,206'MD TO 12,282'MD -POOH ON ELEVATORS RACKING BACK 5"DP -MONITOR TRIP ON TRIP TANK FOUND WASH OUT ON THE SECOND SINGLE ON STAND#123 AT THE SLIP SET AREA -LD TOP TWO SINGLES 07:00 - 08:00 1.00 DRILL N RREP INT1 CODE 8 RIG DOWN TIME- FOUND LEAK IN UPPER AIR BOOT AROUND THE LOW PRESSURE RISER AT THE FLOW BOX. -SMALL AMOUNT OF MUD ON THE BOP. -PULL POWER SLIPS AND DP WIPER SYSTEM&FLOW RISER -C/O UPPER BOOT,RE-INSTALL RISER,DP WIPER SYSTEM AND SLIPS 08:00 - 10:30 2.50 DRILL N DPRB INTI PU TWO SINGLES OF 5"DP TO REPLACE ONE BAD ONE AND ONE LAID DOWN. TIH ON ELEVATORS F/12,311'TO 14,111' -STAGE PUMPS UP TO 550 GPM,W/3300 PSI, 120 RPM 18-20K TO, -WASH AND REAM FROM 14,111'MD TO 14,206' -MONITOR TRIP ON TRIP TANK 10:30 - 12:00 1.50 DRILL N DPRB INTI DRILL 8 3/4"INTERMEDIATE HOLE FROM 14,206'MD TO 14,301' (7,825'TVD) -550 GPM,2900 PSI ON,,2900 PSI OFF -120 RPM,24K TORQUE ON,18K TORQUE OFF -PU 298K,SO 161K,ROT 220K -ART/ADT=5.12 HRS,TOTAL BIT=82.42 HRS,TOTAL JAR=82.42 HRS -ECD:ACTUAL=11.25 PPG,CALC=11.08 -SURVEY EVERY STAND(-94')WITH MWD -ECD MANAGEMENT BACKREAM FULL STAND PRIOR TO CONNECTION AT FULL RATE UP AND 75%DOWN -PUMPED SWEEPS AS NEEDED,(-300') -LOW VIS/ HIGH VIS -MW-10.2 PPG IN/OUT -SPR @ 14,206'MD/7827'TVD,MW 10.2 ppg -#1 MP 20/30 SPM=310/400 PSI -#2 MP 20/30 SPM=320/420 PSI Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 57 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 12:00 - 00:00 12.00 DRILL N DPRB INTI DRILL 8 3/4"INTERMEDIATE HOLE FROM 14,301'MD TO 14,957 MD (8,509'TVD) -550 GPM,3,200 PSI ON,,3150 PSI OFF -120 RPM,22K TORQUE ON,18K TORQUE OFF -PU 300K,SO 173K,ROT 226K -ART/ADT=8.94 HRS,TOTAL BIT=75.13 'HRS,TOTAL JAR=75.13 HRS -ECD:ACTUAL=11.26 PPG,CALC=11.06 -SURVEY EVERY STAND(-94')WITH MWD -ECD MANAGEMENT BACKREAM FULL STAND PRIOR TO CONNECTION AT FULL RATE UP AND 75%DOWN -PUMPED SWEEPS AS NEEDED,(-300') -LOW VIS/ HIGH VIS -14,305'-10%INCREASE IN FINE CUTTINGS AT BU -14,589'-10% INCREASE IN FINE CUTTINGS AT BU -14,877'-15% INCREASE IN FINE CUTTINGS AT BU -MW-10.2 PPG IN/OUT -SPR @ 14,771'MD/8340'TVD,MW 10.2 ppg, 21:00 -#1 MP 20/30 SPM=280/360 PSI -#2 MP 20/30 SPM=280/360 PSI 8/5/2014 00 00 - 08:00 8.00 DRILL N DPRB 13,765.00 INTI DRILL 8 3/4"INTERMEDIATE HOLE FROM 14,957'MD TO 15,387'MD TD OF INTERMEDIATE SECTION -545 GPM,3,160 PSI ON,,3150 PSI OFF -120 RPM,24K TORQUE ON,19K TORQUE OFF -ECD:ACTUAL=11.25 PPG,CALC=11.03 -SURVEY EVERY STAND(-94')WITH MWD -ECD MANAGEMENT BACKREAM FULL STAND PRIOR TO CONNECTION AT FULL RATE UP AND 75%DOWN -PUMPED SWEEPS AS NEEDED,(-300') -LOW VIS/ HIGH VIS -14,877'-15% INCREASE IN FINE CUTTINGS AT BU -15,120'-10%INCREASE IN FINE CUTTINGS AT BU MW-10.2 PPG IN/OUT 08.00 - 15:00 7.00 DRILL N DPRB 13,765.00 INTI ROT AND RECP F/15,387'MD TO 15,340 MD', CBU FOR CONFIRMATION SAMPLE OF SAG RIVER FORMATION.SAMPLE CONFIRMED SAG RIVER. CIRCULATE AND CONDITION HOLE FOR WIPER TRIP HI VIS/LOW VIS SWEEPS -550 GPM,2,950 PSI -120 RPM,24K TQ -PU 333K,SO 170K,ROT 239K -ECD:11.07 PPG -RACK BACK 1 STAND,CONTINUE TO ROT& RECP WITH SAME PARAMETERS AS ABOVE -TOTAL CIRCULATION CBU X 6 MW-10.2 PPG IN/OUT Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 58 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual©88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 15:00 - 15:30 0.50 DRILL N DPRB 13,765.00 INTI MONITOR WELL FOR 10 MIN-WELL STATIC SPOT 40 BBL LCM PILL CLEAR BIT WITH LCM PILL. -550 GPM,3,039 PSI -120 RPM,20K TQ 15:30 - 17:30 2.00 DRILL N DPRB 13,765.00 INTI PUMP OUT OF HOLE FROM 15,335'MD TO 13,830'MD -85 GPM,200 PSI -120 RPM,24K TQ PU 333K,SO 170K 17:30 - 21:00 3.50 DRILL N DPRB 13,765.00 INTI POOH ON ELEVATORS FROM 13,830'MD TO 8,526'MD FOR SHORT TRIP BRINGING THE GHOST REAMER UP TO THE 9-5/8"SHOE -MONITOR HOLE FILL ON TRIP TANK-HOLE TAKING CORRECT DISPLACEMENT -PU 300K,SO 149K -HOLE IS SLICK-NO OVER PULL ENCOUNTERED 21:00 - 22:00 1.00 DRILL N DPRB 13,765.00 INTI ROT&RECP FROM 8,526'MD TO 8,428'MD STAGING PUMPS UP TO DRILLING RATE. -550 GPM,305 ICP,2480 FCP-2480 PSI -120 RPM,24K TQ -PU 172K,SO 120K,ROT 140K -MW-10.2 PPG IN/OUT -TOTAL OF ONE BOTTOMS UP. -NO SIGNIFICANT INCREASE IN CUTTINGS AT BOTTOMS UP 22:00 - 23:30 1.50 DRILL N DPRB 13,765.00 INTI RIH ON ELEVATORS FROM 8,526'MD TO 10,420'MD MONITOR DISPLACEMENT VIA PITS#2- -NO TIGHT SPOT ENCOUNTERED ON TRIP IN. 23:30 - 00:00 0.50 DRILL N DPRB 13,765.00 INTI ROT AND RECP FROM 10,420'MD TO 10,324' MD -ECD MANAGEMENT PRACTICES -STAGING PUMPS UP SLOWLY WHILE CIRCULATING A BOTTOMS UP -AFTER PIPE IS FULL STAGE PUMPS UP UNTIL PRESSURE STABILIZES IN 1.5 BPM INCREMENTS -CONTINUE STAGING PUMPS UP IN 2 BBLS INCREMENTS ONCE MWD TURNS ON AND READS ACTUAL ECD-10.96 PPG -STAGE PUMPS UP TO 550 GPM,2650 PSI -100-120 RPM,10-12K TQ -PU 202K,SO 130K,ROT 162K -MW-10.2 PPG IN/OUT 8/6/2014 00:00 - 00:30 0.50 DRILL N DPRB 13,765.00 INTI CONT-ROT AND RECP FROM 10,420'MD TO 10,324'MD -ECD MANAGEMENT PRACTICES -STAGING PUMPS UP SLOWLY WHILE CIRCULATING A BOTTOMS UP -AFTER PIPE IS FULL STAGE PUMPS UP UNTIL PRESSURE STABILIZES IN 1.5 BPM INCREMENTS -CONTINUE STAGING PUMPS UP IN 2 BBLS INCREMENTS ONCE MWD TURNS ON AND READS ACTUAL ECD-10.96 PPG -STAGE PUMPS UP TO 550 GPM,2650 PSI -100-120 RPM,10-12K TQ -PU 202K,SO 130K,ROT 162K -MW-10.2 PPG IN/OUT Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 59 of 77 Operation Summary Report Common Well Name.Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual©88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 00:30 - 01:30 1.00 DRILL N DPRB 13,765.00 INTI RIH ON ELEVATORS FROM 10,420'MD TO 12,311'MD MONITOR DISPLACEMENT VIA PITS#2 -NO TIGHT SPOT ENCOUNTERED ON TRIP IN. 01:30 - 02:30 1.00 DRILL N DPRB 13,765.00 INTI ROT AND RECP FROM 12,311'MD TO 12,217' iMD -ECD MANAGEMENT PRACTICES STAGING PUMPS UP SLOWLY WHILE CIRCULATING A BOTTOMS UP -AFTER PIPE IS FULL STAGE PUMPS UP UNTIL PRESSURE STABILIZES IN 1.5 BPM INCREMENTS -CONTINUE STAGING PUMPS UP IN 2 BBLS INCREMENTS ONCE MWD TURNS ON AND READS ACTUAL ECD-11.14 PPG -STAGE PUMPS UP TO 550 GPM,2860 PSI -100-120 RPM,10-13KTQ -PU 235K,SO 135K,ROT 162K -MW-10.2 PPG IN/OUT,VIS-40 02:30 - 03:30 1.00 DRILL N DPRB 13,765.00 INTI RIH ON ELEVATORS FROM 12,311'MD TO 13,732'MD MONITOR DISPLACEMENT VIA PITS#2 NO TIGHT SPOT ENCOUNTERED ON TRIP IN. 03:30 - 05:00 1.50 DRILL N DPRB 13,765.00 INTI ROT AND RECP FROM 13,732'MD TO 13,636' MD -ECD MANAGEMENT PRACTICES -STAGING PUMPS UP SLOWLY WHILE CIRCULATING A BOTTOMS UP AFTER PIPE IS FULL STAGE PUMPS UP UNTIL PRESSURE STABILIZES IN 1.5 BPM INCREMENTS -CONTINUE STAGING PUMPS UP IN 2 BBLS INCREMENTS ONCE MWD TURNS ON AND READS ACTUAL ECD-11.26 PPG AT ICP, 11.08 PPG AT FCP -STAGE PUMPS UP TO 550 GPM,ICP-3286 PSI ,FCP-3250 PSI -100-120 RPM,17K TQ -PU 282K,SO 140K,ROT 190K -MW-10.2 PPG IN/OUT,VIS-40 -MONITOR WELL-WELL STATIC 05:00 - 11:00 6.00 DRILL N DPRB 13,765.00 INTI RIH ON ELEVATORS FROM 13,732'MD TO 15,387'MD(TD) -MONITOR TRIP ON PITS 2-3 -TIGHT SPOT AT 13,815'MD,SET DOWN 25K, PULLED UP AND MAKE ATTEMPT TO PASS W/O PUMPS OR ROTARY.-NO GO -TURNED PUMPS ON AT 5 BPM,715 PSI - MAKE ATTEMPT TO PASS WITH JUST PUMP- PUSHING DEBRIS AHEAD -TURNED ON ROTARY TO 80 GPM WITH 8 BPM W/1450 PSI-AND WIPE CLEAN -MAKE A PASS W/O ROTARY OR PUMP-SPOT WIPED CLEAN. -ENCOUNTERED MORE TIGHT SPOTS AT 14,310',14,366',14,420' -USE THE SAME PRACTICES AS ABOVE TO WORK THROUGH Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 60 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. UW:500292351400 Active datum:Y-39 Actual©88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 11:00 - 16:30 5.50 DRILL N DPRB 13,765.00 INTI CIRCULATE THE HOLE CLEAN AT TD 15,387' MD -ROTATE AND RECIPROCATE FROM 15,387' MD TO 15,340' CIRCULATE AT 550 GPM,ICP-3250 PSI, FCP-3200 PSI,100 RPM,26K TQ MW-1 0.2 PPG IN/OUT -PUMP LOW VIS HIGH VIS SWEEP X 2 -PUW-336K,SOW-155K,235K -TOTAL 1.5 BOTTOMS UP RACK BACK ONE STAND -CONTINUE ROTATE AND RECIPROCATE F/ 15,345'TO 15,248'WHILE CLEANING OUT WELLBORE. -AT SAME PARAMETERS AS ABOVE -TOTAL POF 5 BOTTOMS UP 16:30 - 19:00 2.50 DRILL N DPRB 13,765.00 INTI PUMP OUR OF THE HOLE FROM 15,345'MD TO 13,825'JUST ABOVE THE KINGAK -85 GPM,100 RPM,23K TQ -PUW-300K,SOW-148K -MW-10.2 PPG IN/OUT 19:00 - 20:00 1.00 DRILL N DPRB 13,765.00 INTI CIRCULATE BOTTOMS UP -ROTATE AND RECIPROCATE F/13,825'MD TO 13,733'MD -STAGING PUMPS UP TO 550 GPM W/3000 PSI,100 RPM,18K TQ -PUW-300K,SOW-148K,ROT-200K -MW-10.2 PPG IN/OUT -NO SIGNIFICANT INCREASE IN CUTTINGS AT BOTTOMS UP -MONITOR THE WELL PRIOR TO PULLING OFF BOTTOM-WELL STATIC 20:00 - 20:30 0.50 DRILL N DPRB 13,765.00 INTI RIG SERVICE -SERVICE TOP DRIVE,BLOCKS&CROWN. 20:30 - 21:30 1.00 DRILL N DPRB 13,765.00 INTI TRIP IN HOLE ON ELEVATORS F/13,825'MD TO 15,387' -MONITOR TRIP DISPLACEMENT ON TRIP TANK -NO TIGHT SPOTS ENCOUNTERED-HOLE SLICK -NO MUD PUSHED AWAY-ZERO LOSSES. 21:30 - 00:00 2.50 DRILL N DPRB 13,765.00 INTI CIRCULATE THE HOLE CLEAN -ROTATE AND RECIPROCATE F/15,387'MD TO 15,340' -STAGE PUMPS UP SLOWLY TO 550 GPM,W/ 3202 ICP AND 3070 PSI-FCP -100 RPM,21KTQ 8/7/2014 00:00 - 02:00 2.00 DRILL N DPRB 13,765.00 INTI CIRCULATE THE HOLE CLEAN -ROTATE AND RECIPROCATE F/15,387'MD TO 15,340' -STAGE PUMPS UP SLOWLY TO 550 GPM,W/ 3202 ICP AND 3070 PSI-FCP -100 RPM,21K TQ,11.11 PPG ECD -PUMP LOW/HIGH VIS SWEEP,NO SIGNIFICANT INCREASE IN CUTTINGS AT BOTTOMS -TOTAL 4 BOTTOMS UP. -MONITOR WELL PRIOR TO PULLING OFF BOTTOM-WELL STATIC Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 61 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. I UWI:500292351400 Active datum:Y-39 Actual©88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) _ 02:00 - 02:30 0.50 DRILL N DPRB 13,765.00 INTI SPOT 40 BBL LCM PILL AT TD, -550 GPM,3200 PSI -ROTATE AND RECIPROCATE FROM 15,250' TO 15,340'MD -PUMP OUT OF THE HOLE F/15,387'MD TO 02:30 - 04:00 1.50 DRILL N DPRB 13,765.00 INTI PUMP OUT OF THE HOLE FROM 15.387'MD TO 13,827'MD • -85 GPM,250 PSI,MONITOR TRIP ON PITS 2-3 -MW-10.2 PPG IN/OUT 04:00 - 05:00 1.00 DRILL N DPRB 13,765.00 INTI PULL FIVE STANDS ON ELEVATORS FROM 13,827'TO 13,345' -TO TEST WELLBORE CONDITION PRIOR TO PUMPING STRESS CAGE. -TRIP BACK IN TO 13,827' -HOLE SLICK-NO TIGHT SPOTS ENCOUNTERED 05:00 - 07:30 2.50 DRILL N DPRB 13,765.00 INTI PUMP 760 BBLS OF STRESS CAGE MATERIAL. ROT AND RECIPROCATE PIPE WHILE STAGING PUMPS UP TO 335 GPM WITH 1415 PSI,80 RPM,16K TQ -MW-i0.2 PPG IN/OUT 07:30 - 13:30 6.00 DRILL N DPRB 13,765.00 INTI POH ON ELEVATORS F/13,827'TO 4.454'MD -PU 147K,SO 101K -MONITOR HOLE FILL ON TRIP TANK-HOLE TAKING CORRECT DISPLACEMENT -TIGHT HOLE WITH 20K OVER PULL AT 12'890' MD,12,420'MD,10,000'MD -WIPED ALL TIGHT SPOTS CLEAN WITH ONE PASS 13:30 - 14:30 1.00 DRILL N DPRB 13,765.00 INTI CIRCULATE BOTTOMS UP I-ROTATE AND RECIPROCATE FROM 4,454' MD TO 4,356'MD -STAGING PUMPS UP TO 500 GPM,1,905 PSI, 100 RPM,3K TQ PU 104K,SO 89K,ROT 95K -MW-10.3 PPG IN/OUT -OBSERVED A 10%INCREASE IN CUTTINGS AT BOTTOMS UP 14:30 - 16:00 1.50 DRILL N DPRB 13,765.00 INTI SLIP AND CUT DRILLING LINE -PJSM FOR SLIP&CUT OPERATIONS- REVIEW PROCEDURE&DISCUSS HAZARDS -CUT 136'OF LINE -CALIBRATE AMPHION,TOTCO,&SLBM -MONITOR WELL ON TRIP TANK STATIC 16:00 - 19'00 3.00 DRILL N DPRB 13,765.00 INTI POOH ON ELEVATORS FROM 4,454'MD TO 700'MD -CHANGE TO 4"SLIP INSERTS&ELEVATORS AT 4,365'MD 1-MONITOR HOLE FILL ON TRIP TANK-HOLE TAKING CORRECT DISPLACEMENT 19:00 - 19:30 0.50 DRILL N DPRB 13,765.00 INTI HOLD PJSM FOR L/D DRILLING BHA#5 -CHANGE TO 5"SLIP INSERTS -MONITOR WELL ON TRIP TANK-WELL STATIC Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 62 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UW:500292351400 Active datum:Y-39 Actual©88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 19:30 - 22:30 3.00 DRILL N DPRB 13,765.00 INTI CONTINUE TO POOH FROM 644'MD TO SURFACE. -MONITOR HOLE FILL ON TRIP TANK-HOLE TAKING CORRECT DISPLACEMENT -LAY DOWN BHA#5 AS PER SLB DD -BIT GRADE=1-5-BT-G-X-I-CT-TD -CLEAN AND CLEAR RIG FLOOR -8.75"GHOST REAMER 1/16"UNDER GAUGE -STRING STABILIZER IN GAUGE-8-1/2" -8.75"PDC BIT IN GAUGE 22:30 - 00:00 1.50 CASING N DPRB 13,765.00 INTI CHANGE RAMS TO 7"VBR'S&R/U TO RUN 7" CASING -CHANGE UPPER VBR'S TO 7"SOLID BODY 'CASING RAMS CHANGE OUT DUTCH RISER BELL NIPPLE WITH SOLID RISER -PJSM FOR OUT OF SCOPE WORK -BRING 7"CASING RUNNING EQUIPMENT TO RIG FLOOR AOGCC GIVEN NOTICE OF 7"CASING RAM TEST - TEST WITNESS WAIVED BY CHUCK SHEVE 8/8/2014 00:00 - 01:00 1.00 CASING N DPRB 13,765.00 INTI PRESSURE TEST 7"CASING RAMS -PULL WEAR BUSHING,INSTALL TEST PLUG -PRESSURE TEST TO 250 PSI LOW/3500 PSI HIGH-CHARTED -BOTH TESTS GOOD.-SEE UPLOADED CHART -PULL TEST PLUG LD LANDING JOINT SIM OPS:RU POWER TONGS&PREP CASING SHED -DDI FLOOR CREW TO VERIFY CORRECT SLIP DIE SIZE FOR CASING RUN. 01:00 - 02:00 1.00 CASING N DPRB 13,765.00 INTI CONDUCT DUMMY RUN WITH 7"MANDREL HANGER -INSTALL BAIL EXTENSIONS&7" ELEVATORS-DRILLER AND TOUR PUSHER VERIFIED SIZE AND RATING -RU VOLANT CASING RUNNING TOOL -PU 7"HANGER WITH LANDING JOINT MADE UP AND FIVE FOOT IN THE HOLE -LAY DOWN HANGER AND LANDING JOINT AND INSTALL 7"SLIP INSERTS 02:00 - 02:30 0.50 CASING N DPRB 13,765.00 INTI CONDUCT PJSM FOR RUNNING 7"CASING -REVIEW DDI PROCEDURE AND PLAN FORWARD FOR RUNNING CASING -DISCUSS HAZARDS ASSOCIATED WITH CASING RUN 02:30 - 03:30 1.00 CASING N DPRB 13,765.00 INTI MU SHOE TRACK AND 20'PUMP JOINT -ENGAGE VOLANT(CRT)PUMP THROUGH THE FLOATS -210 GPM,60 PSI. PULL OUT OF HOLE 80'&RUN BACK IN TO VERIFY FLOATS PROPER FUNCTION. Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 63 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual©88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 03:30 - 12:00 8.50 CASING N DPRB 13,765.00 INTI RIH WITH 7",26#L-80 VTHC CASING FROM 150'MD TO 4,551'MD. -UP Wl 113K,DWN WT 93K' -USING JET LUBE SEAL GUARD THREAD COMPOUND -TORQUE TURN EACH CONNECTION-11,950 FT/LB -FILLING EVERY JOINT ON THE FLY WITH 2" FILL UP HOSE -FILL EVERY 10TH JOINT WITH VOLANT -RIH AT 41 FT/MIN AS PER PROGRAM -MONITORING TRIP ON PITS#2 AND#3 -RUN 38 CENTRALIZERS ONE ON EACH OF JT OF THE SHOE TRACK ONE ON A PUPJNT AND ONE EACH ON JTS 1-34 -MW-10.2 PPG IN/OUT -NO LOSSES 12:00 - 12:30 0.50 CASING N DPRB 13,764.97 INTI RIH WITH 7"26#L-80 VTHC CASING FROM 4261 TO 4,592' -CIRCULATE BU X 2©230 PSI. INCREASE PR IN 1 BBL INCREMENTS WHILE WATCHING FOR LOSSES TO 6 BPM W/275 PSI 12:30 - 13:30 1.00 CASING N DPRB INTI CIRCULATE BOTTOMS UP X 1.5 -INCREASE RATE IN 1 BBL INCREMENTS TO 6 BPM,WATCHING FOR LOSSES -3 BPM-208 PSI -4 BPM-230 PSI -5 BPM-240 PSI -6 BPM-275 PSI -MW 10.2 PPG IN/OUT -NO INCREASE IN CUTTINGS AT BOTTOMS UP . 13:30 - 19:00 5.50 CASING N DPRB 13,765.00 INTI RIH WITH 7",26#L-80 VTHC CASING FROM 4,592'MD TO 6,557'MD. UP WT 113K,DWN WT 93K' -USING JET LUBE SEAL GUARD THREAD COMPOUND -TORQUE TURN EACH CONNECTION-11,950 FT/LB -FILLING EVERY JOINT ON THE FLY WITH 2" FILL UP HOSE -FILL AND BREAK CIRCULATION EVERY 10TH JOINT WITH VOLANT -STAGING PUMPS UP IN 1 BBL INCREMENTS AFTER PIPE IS FULL -OBTAIN PU/SO WEIGHTS EVERY-410' -RIH AT 23 FT/MIN AS PER PROGRAM -MONITORING TRIP ON PITS#2 AND#3 -MW-10.2 PPG IN/OUT Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 64 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual©88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 19:00 - 20:00 1.00 CASING N DPRB INTI CIRCULATE BOTTOMS UP PER THE PROGRAM ABOVE THE UGNU AT 6757 -AFTER PIPE IS FULL STAGE PUMPS UP IN 1 BBL INCREMENTS TO 6 BPM,WATCHING FOR LOSSES,RECIPROCATING ONE FULL JOINT -1 BPM-220 PSI,0%FO -2 BPM-275 PSI ,10%FO -3 BPM-330 PSI ,19%FO -4 BPM-360 PSI,22%FO -5 BPM-400 PSI,23%FO -6 BPM-440 PSI,25%FO -MW 10.2 PPG IN I OUT -NO INCREASE IN CUTTINGS AT BOTTOMS UP 20:00 - 00:00 4.00 CASING N DPRB INTI RIH WITH 7",26#L-80 VTHC CASING FROM 6,757'MD TO 8,573'MD. -PUW-181K,SOW-103K -USING JET LUBE SEAL GUARD THREAD COMPOUND -TORQUE TURN EACH CONNECTION-11,950 FT/LB -FILLING EVERY JOINT ON THE FLY WITH 2" FILL UP HOSE FILL AND BREAK CIRCULATION EVERY 10TH JOINT WITH VOLANT -STAGING PUMPS UP IN 1 BBL INCREMENTS AFTER PIPE IS FULL TO 3 BPM FOR 5 MIN -OBTAIN PU/SO WEIGHTS EVERY-410' -RIH AT 23 FT/MIN AS PER PROGRAM -MONITORING TRIP ON PITS#2 AND#3 MW-10.2 PPG IN/OUT 8/9/2014 00:00 - 03:00 3.00 CASING N DPRB 13,765.00 INTI RIH WITH 7",26#L-80 VTHC CASING FROM 8,573'MD.TO-9,905'MD -PUW-181K,SOW-109K -FILLING EVERY JOINT ON THE FLY WITH 2" FILL UP HOSE -FILL AND BREAK CIRCULATION EVERY 10TH JOINT WITH VOLANT -STAGING PUMPS UP IN 1 BBL INCREMENTS AFTER PIPE IS FULL TO 3 BPM FOR 5 MIN -OBTAIN PU/SO WEIGHTS EVERY-410' -RIH AT 23 FT/MIN AS PER PROGRAM -MONITORING TRIP ON PITS#2 AND#3 -MW-10.2 PPG IN/OUT -USING JET LUBE SEAL GUARD THREAD COMPOUND -TORQUE TURN EACH CONNECTION-11,950 FT/LB ZERO LOSSES WHILE RIH Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 65 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 03:00 - 04:00 1.00 CASING N DPRB 13,765.00 INTI CIRCULATE BOTTOMS UP PER THE PROGRAM ABOVE THE(WS2)AT-9,905' -AFTER PIPE IS FULL STAGE PUMPS UP IN 1 BBL INCREMENTS TO 6 BPM,WATCHING FOR LOSSES,RECIPROCATING ONE FULL JOINT -2 BPM-430 PSI ,10%FO -3 BPM-500 PSI ,20%FO 4 BPM-580 PSI,22%FO -5 BPM-660 PSI,23%FO -6 BPM-680 PSI,25%FO -MW 10.2 PPG IN/OUT -ZERO LOSSES WHILE CIRCULATING -NO INCREASE IN CUTTINGS AT BOTTOMS UP 04:00 - 12:30 8.50 CASING P INTI RIH WITH 7",26#L-80 VTHC CASING FROM 9,905'MD TO 13,827'MD -PUW-210K,SOW-114K -FILLING EVERY JOINT ON THE FLY WITH 2" FILL UP HOSE -FILL AND BREAK CIRCULATION EVERY 10TH JOINT WITH VOLANT -STAGING PUMPS UP IN 1 BBL INCREMENTS AFTER PIPE IS FULL TO 3 BPM FOR 5 MIN -OBTAIN PU/SO WEIGHTS EVERY-410' -RIH AT 23 FT/MIN AS PER PROGRAM -MONITORING TRIP ON PITS#2 AND#3 -MW-10.2 PPG IN/OUT -USING JET LUBE SEAL GUARD THREAD COMPOUND -TORQUE TURN EACH CONNECTION-11,950 FT/LB 12:30 - 14:30 2.00 CASING P INTI CIRCULATE BOTTOMS UP PER THE PROGRAM AT THE TOP OF HRZ-13,827'MD' AFTER PIPE IS FULL STAGE PUMPS UP IN 1 BBL INCREMENTS TO 5 BPM,WATCHING FOR LOSSES,RECIPROCATING ONE FULL JOINT -2 BPM-747 PSI ,10%FO -3 BPM-787 PSI ,17%FO -4 BPM-853 PSI,23%FO -5 BPM-929 PSI,28%FO -PU 280K,SO 125K -MW 10.2 PPG IN/OUT -ZERO LOSSES WHILE CIRCULATING -NO INCREASE IN CUTTINGS AT BOTTOMS UP 14:30 - 17:30 3.00 CASING P INTI RIH WITH 7",26#L-80 VTHC CASING FROM 13,827'MD TO 13,544'MD -PUK,SOK -FILLING EVERY JOINT ON THE FLY WITH 2" FILL UP HOSE -FILL AND BREAK CIRCULATION EVERY 10TH JOINT WITH VOLANT -STAGING PUMPS UP IN 1 BBL INCREMENTS AFTER PIPE IS FULL TO 3 BPM FOR 5 MIN -OBTAIN PU/SO WEIGHTS EVERY-410' -RIH AT 23 FT/MIN AS PER PROGRAM -MONITORING TRIP ON PITS#2 AND#3 -MW-10.2 PPG IN/OUT -USING JET LUBE SEAL GUARD THREAD COMPOUND -TORQUE TURN EACH CONNECTION-11,950 FT/LB Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 66 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 17:30 - 18:00 0.50 CASING P INTI PICK UP LANDING JT&7"CASING HANGER AS PER FMC REP -BREAK CIRCULATION W/43 GPM, 630 PSI -RIH&LAND 7 CASING HANGER VERIFIED BY MARK ON LANDING JOINT FROM DUMMY RUN 18:00 - 22:30 4.50 CASING P INTI CIRCULATE&CONDITION MUD PRIOR TO CEMENT JOB -STAGE PUMPS UP IN.5 BBL INCREMENTS FROM 4.5 TO 6 BPM -RECIPROCATE PIPE STRETCH,WITHOUT PULLING SHOE OUT OF THE SAG -1.5 BPM-582 PSI -2.5 BPM-640 PSI -3.5 BPM-725 PSI -4.5 BPM-800 PSI - 5 BPM-855 PSI - 6 BPM-947 PSI, -LOWER RHEOLOGY-YP-18,MW-10.2 PPG -ZERO MUD LOST DURING CIRCULATION. -HELD PJSM WITH SLB,CH2,&DDI RIG CREW -REVIEWED SLB PUMP SCHEDULE FROM CADE -REVIEW PRESSURE CROSS CHECK LIST FOR HAZARDS 22:30 - 00:00 1.50 CEMT P INTI CEMENT 7"INTERMEDIATE CASING -BLOW AIR THROUGH THE LINES PRIOR TO TESTING -PRESSURE TEST LINES WITH WATER: 250 LOW/4500 HIGH PSI FOR 5 CHARTED MINUTES-OK. -PUMP 45 BBLS OF 11.0 PPG MUD PUSH II @ 5 BPM,740 PSI -RELEASE BOTTOM PLUG,VERIFIED BY SLB CEMENTER -PUMP 26.2 BBLS OF 11.5 PPG LITECRETE LEAD CEMENT @ 5 BPM,W/40%EXCESS YIELD 1.75 FT3/SK -PUMP 33 BBLS OF 15.8 PPG CLASS G TAIL CEMENT @ 5 BPM,W/40%EXCESS YIELD 1.53 FT3/SK -DROP BOTTOM PLUG -RECIPROCATE PIPE 3'AT SURFACE WHILE PUMPING CEMENT,WITHOUT PULLING SHOE OUT OF THE SAG PUMP 10 BBLS H2O TO KICK OUT THE PLUG Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 67 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 8/10/2014 00:00 - 02:30 2.50 CEMT P INTI CEMENT 7"INTERMEDIATE CASING -BLOWAIR THROUGH THE LINES PRIOR TO TESTING -PRESSURE TEST LINES WITH WATER: 250 LOW/4500 HIGH PSI FOR 5 CHARTED MINUTES-OK. -PUMP 45 BBLS OF 11.0 PPG MUD PUSH II @ 5 BPM,740 PSI -RELEASE BOTTOM PLUG,VERIFIED BY SLB CEMENTER PUMP 26.2 BBLS OF 11.5 PPG LITECRETE 1 LEAD CEMENT @ 5 BPM,W/40%EXCESS YIELD 1.75 FT3/SK -PUMP 33 BBLS OF 15.8 PPG CLASS G TAIL CEMENT @ 5 BPM,W/40%EXCESS YIELD 1.53 FT3/SK -DROP BOTTOM PLUG -RECIPROCATE PIPE 3'AT SURFACE WHILE PUMPING CEMENT,WITHOUT PULLING SHOE OUT OF THE SAG -PUMP 10 BBLS H2O TO KICK OUT THE PLUG PERFORM DISPLACEMENT WITH RIG PUMPS AND 10.2 PPG LSND MUD PER CEMENT CADE PUMP SCHEDULE -500 BBLS DISPLACED AT 6 BPM-ICP-650 PSI, FCP-630-24%RETURN FLOW -40 BBLS DISPLACED AT 5 BPM,ICP-540 PSI FCP-740 PSI-21%RETURN FLOW -25 BBLS DISPLACED AT 3 BPM,ICP-730 PSI FCP-695 PSI-17%RETURN FLOW -REDUCE RATE TO 2 BPM PRIOR TO PLUG BUMP:FINAL CIRCULATING PRESSURE-720 PSI -BUMP PLUG AND INCREASE PRESSURE TO 1220 PSI AND HOLD 5 MIN. -CHECK FLOATS-GOOD -TOTAL DISPLACEMENT VOLUME-576 BBLS MEASURES BY STROKES @ 96%PUMP EFFICIENCY. -VERIFIED BBL IN/BBL OUT WITH PIT WATCHER STRAP DURING DISPLACEMENT -RECIPROCATE PIPE 3'AT SURFACE WHILE PUMPING DISPLACEMENT,WITHOUT PULLING SHOE OUT OF THE SAG.-STOPPED RECIPROCATION WHEN MUD PUSH EXITED THE SHOE. -TOTAL LOSSES FROM TIME CEMENT EXITED THE SHOE TO CEMENT IN PLACE-0 BBLS CEMENT IN PLACE AT(02:10) 02:30 - 03:30 1.00 CASING P INTI PRESSURE TEST THE 7"CASING -RU TEST EQUIPMENT. -PRESSURE TEST TO 250 LOW FOR FIVE MIN-GOOD TEST -PRESSURE TEST TO 3500 PSI HIGH FOR 30 MIN. -RECIEVED ATP FROM WELLS TEAM LEAD -SIM OPS:RIGGING DOWN SLB CEMENTERS -RIG DOWN CASING TOOLS —LD LANDING JOINT Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 68 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 03:30 - 06:00 2.50 WHSUR P INTI INSTALL CASING PACK OFF. -PU/MU PACK OFF RUNNING TOOL TO STAND OF 5"DRILL PIPE -RIH AND SET PACK OFF PER FMC DIRECTION. -PRESSURE TEST PACK OFF 250 PSI LOW FOR 15 MIN,5000 PSI HIGH FOR 30 MIN. SIM OPS:PREP FOR CASING RAM C/O AND ANNULAR INJECTION. 06:00 - 07:00 1.00 BOPSUR P INTI CHANGE OUT UPPER RAMS -REMOVE 7"SOLID BODY CASING RAMS AND INSTALL 2-7/8"BY 5-1/2"VBRS -BARRIERS FOR OPENING BOPE,TESTED CEMENT FLOAT,TESTED CASING PACK OFF, TESTED BLIND SHEAR RAMS. 07:00 - 08:30 1.50 DRILL P INTI ANNULAR INJECTION TO CLEAR 9-5/8"BY 7" ANNULUS -RU AND PRESSURE TEST INJECTION LINES TO 2500 PSI GOOD TEST LEAK TIGHT PUMP DOWN THE IA AT 1 BPM WITH 585 PSI 2 BPM,665 PSI -3 BPM,750 PSI -FORMATION BREAK DOWN AT 685 PSI, INJECT 5 BBLS AFTER INITIAL BREAK DOWN. -TOTAL 22 BBLS INJECTED SHUT DOWN AND ALLOW PRESSURE TO STABILIZE TO 410 PSI.SHUT IN ANNULUS. -SIM OPS:RU MOUSE HOLE FOR LAYING DOWN 5"DP 08:30 - 20:00 11.50 DRILL P INTI DRILL PIPE MANAGEMENT -LAY DOWN 45 TOTAL STANDS OF 5"DP 1 X 1 TO THE CASING SHED -LAY DOWN 40 TOTAL DOUBLES TO THE TUBS IN THE DRILL PIPE SHED -SIM OPS:MAINTAIN ANNULUS INJECTION EVERY HOUR TO KEEP -ANNULUS PRESSURE BREAK OVER AT—680 PSI.EACH TIME 20:00 - 22:00 2.00 BOPSUR P INTI CHANGE OUT SAVER SUB -PJSM FOR CHANGE OUT -REMOVE 4-1/2"IF AND INSTALL 4"XT -SIM OPS:INSPECT VALVES AND SEATS ON MUD PUMPS. 22:00 - 23:30 1.50 WHSUR P INTI FREEZE PROTECT THE 9-5/8"X 7"ANNULUS -ONCE CEMENT HAD REACHED 500 PSI COMPRESSIVE STRENGTH -LINE UP ON THE OA WITH THE RIG FREEZE PROTECTION PUMP -PT LINES TO 250 LOW/3500 PSI HIGH FOR 5 MIN-GOOD TEST -FREEZE PROTECT WITH 71 BBLS OF HEATED DIESEL(80 DEG) -PUMPING AT 1.5 BPM,OBSERVED BREAK OVER AT 840 PSI,ICP-814 PSI,FCP-1067 PSI 23:30 - 00:00 0.50 BOPSUR P INTI RU BOPE PRESSURE TESTING EQUIPMENT. -PICK UP 4"TEST JOINT,MU PUMP IN SUB, MU 4"AND 3-1/2"FLOOR VALVES Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 69 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 8/11/2014 00:00 - 04:00 4.00 BOPSUR P INTI TEST BOPE -TEST BOPE TO 250 PSI LOW,3,500 PSI HIGH FOR 5 MINUTES EACH -TEST(2)2-7/8"X 5-1/2" VBR WITH 4"&4.5" TEST JOINTS -TEST ANNULAR WITH 4"TEST JOINT -ALL TESTS CHARTED,SEE ATTACHED BOP TEST CHARTS -ALL TEST PASS BP TEST CRITERIA FOR BOPE TESTING -TEST WITNESS WAIVED BY AOGCC REP LOU GRIMALDI-8/10/14 04:00 - 05:00 1.00 BOPSUR P INTI RIG DOWN TEST EQUIPMENT -PULL TEST PLUG -DRAIN STACK,INSTALL WEAR RING-7-1/8" -BLOW DOWN CHOKE AND KILL LINES -CHANGE OUT PS-21 SLIPS TO 4" -MU 4"MULE SHOE AND PREPARE TO RIH WITH 4"DP SINGLES 05:00 - 08:30 3.50 DRILL P INTI PJSM-INSTALL MULE SHOE,RIH W/102 JOINTS OF 4"DRILL PIPE T/3225' -MONITOR DISPLACEMENT VIA PITS 2&3. 08:30 - 09:30 1.00 DRILL P INTI POH WITH 4"DP,STANDING BACK IN DERRICK F/3225 TO SURFACE.LAY DOWN MULE SHOE. -MONITOR DISPLACEMENT VIA PITS 2&3. 09:30 - 10:30 1.00 DRILL P INTI CLEAR AND CLEAN RIG FLOOR,INSTALL STRIP-O-MATIC, -CHANGE OUT SLIP INSERTS T/HAND SLIPS FOR BHA HANDLING. 10:30 - 13:00 2.50 DRILL P INTI PU&MU PRODUCTION DRILLING BHA - PJSM WITH SLB PERSONAL TALKED ABOUT BHA HANDLING ORDER AND WORKING WITH RADIO ACTIVE SOURCES ON SURFACE. -M/U 6-1/8"BIT&POWER DRIVE(ARCHER), M/U X-OVERS&SURFACE TEST POWER DRIVE@ 190 GPM,640 PSI,20%F/O.(GOOD TEST) RIG DOWN X-OVERS. M/U MWD,SONIC&ADN T/117'MD. -LOAD SOURCE-PER SLB PROCEDURE, ENSURING RIG FLOOR IS CLEAR -MU FLEX COLLARS,SAVER SUB AND(XO) TO 214' 13:00 - 19:00 6.00 BOPSUR P INTI RIH WITH PRODUCTION DRILLING BHA#6 -PU AND RIH WITH DRILLING BHA WITH(134) 4"XT-39 DP SINGLES FROM THE SHED -F/214'TO 4,452'MD -MONITOR TRIP VIA PITS 2-3,FILLING PIPE EVERY 15 STANDS' 19:00 - 00:00 5.00 BOPSUR P INTI RIH WITH 6-1/8"PRODUCTION DRILLING BHA -TIH ON ELEVATORS WITH(26)4" DP DOUBLES F/4,452'TO 6,688'MD -PU&MU HWDP AND JARS AND 10 SINGLES -MONITOR TRIP VIA PITS 2-3,FILLING PIPE EVERY 15 STANDS -CONT RIH WITH DRILLING BHA ON 4"DP DOUBLES F/6,688'MD TO 8,016'MD Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 70 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date.8/21/2014 X3-0159M-C:(13,168,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual t88.20usft(above Mean Sea Level) Date From-To Hrs Task Code j NPT NPT Depth Phase Description of Operations (hr) (usft) 8/12/2014 00:00 - 04:00 4.00 DRILL P INTI RIH WITH 6-1/8"PRODUCTION DRILLING BHA -CONT RIH ON WITH 4"DP DOUBLES F/8,016' MD TO 12,894' -MONITOR TRIP ON PITS 2-3 -FILL PIPE AND BREAK CIRCULATION EVERY 115'STANDS 04.00 - 04:30 0.50 DRILL P INTI RIG SERVICE -GREASE AND INSPECT TOP DRIVE -GREASE WASHPIPE 04:30 - 06:30 2.00 DRILL P INTI RIH WITH 6-1/8"PRODUCTION DRILLING BHA -CONT RIH F/12,894'TO 15,095' -MONITOR TRIP ON PITS 2-3 1-FILL PIPE AND BREAK CIRCULATION EVERY 15'STANDS 06:30 - 10:00 3.50 DRILL P INTI CUT/SLIP 2,000'OF DRILLING LINE. -RECALIBRATE BLOCK HEIGHT,AMPHION, MWD,SLB. -SIMOPS,SWAP TO HIGH LINE POWER 10:00 - 10:30 0.50 DRILL P INTI CONT RIH F/15,095'TO 15,285' -MONITOR WELL ON TRIP TANK 10:30 - 11:00 0.50 DRILL P INTI MU TDS AND WASH F/15,285'TO 15,299' ;-240 GPM,3170 PSI -TAG FLOAT COLLAR ON DEPTH 15,299' 11:00 - 11:30 0,50 DRILL P INTI DRILL PLUGS FLOAT COLLAR AND CEMENT F/ 15,299'TO 15,375' -240 GPM,3,200 PSI -50 RPM,18-20 K TQ -5-10K WOB 11:30 - 13:30 2.00 DRILL P INTI DISPLACE WELL TO 8.5 PPG POWER PRO MUD ,ROTATE AND RECIPROCATE F/15,375'TO '15,280' -PUMP 40 BBL STEEL LUBE PILL FOLLWED 1 BY 40 BBL WEIGHTED HIGH VIS SPACER, FOLLOWED BY 8.5 PPG POWER PRO MUD. -240 GPM,2,670 PSI -30 RPM,14K TORQUE -PU 170K,SO 160K 13:30 - 14:30 1.00 DRILL P INTI NEGATIVE TEST 7"CASING AND LOWER 1 SHOE TRACK MONITOR WELL,STATIC SIMOPS:PJSM ON RUNNING GYRO SURVEY 14:30 - 17:30 3.00 DRILL P INTI GYRO SURVEY -LAY DOWN 1 SINGLE TO 15,351' -RIG UP WIRE LINE AND RUN GYRO SURVEY •F/4,597'TO 5,100' RIG DOWN WIRELINE,LAY DOWN GYRO ._...__ TOOL 17:30 - 18:00 0.50 DRILL P INTI CONTINUE TO DRILL OUT SHOE TRACK DRILL FLOAT SHOE AT 15,387' -240 GPM,1965 PSI -50 RPM,7K TQ -WOB 5-12K -AS PER SLB DD DOWN LINK ARCHER TOOL TO 70% -SPR AT15,351'/8868'TVD -MP#1 760 PSI AT 20 SPM,920 PSI AT 30 SPM -MP#2 770 PSI AT 20 SPM,940 PSI AT 30 SPM Printed 9/8/2014 12•36:27PM North America-ALASKA-BP Page 71 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 18:00 - 18:30 0.50 DRILL P INTI DRILL NEW 6-1/8"HOLE F/15,387'TO 15,404' -ROP DROP TO 4 FT/HR,TQ INCREASE TO 11.8K 240 GPM,1965 PSI -50 RPM,9K-11.8K TQ -WOB 5-12K -DOWNLINK ARCHER TOOL TO 0% 18:30 - 19:00 0.50 DRILL P INTI POOH F/15,404'TO 15,300'TO GET BIT ABOVE FLOAT COLLAR TO CHECK FOR DEBRIS -MONITOR WELL,STATIC PUMP OUT OF HOLE TO 15,300'NO INCREASE IN TORQUE OR DRAG. -WASH BACK TO 15,404' -240 GPM,1965 PSI 19:00 - 19:30 0.50 DRILL P INTI DRILL 6-1/8"HOLE F/15,404'TO 15,407'WITH ARCHER TOOL SET AT 0%TO OBSERVE ANY CHANGE IN TORQUE. -270 GPM,2406 PSI -50 RPM,7-8K TQ 19:30 - 22:00 2.50 DRILL P INTI :CIRCULATE BOTTOMS UP PRIOR TO F.I.T -270 GPM,2406 PSI -SAMPLES 50%LIMESTONE ON BOTTOMS UP -MUD WT 8.5PPG IN/OUT 22:00 - 00:00 2.00 DRILL P INTI PERFORM F.I.T -MONITOR WELL,STATIC PERFORM AN FIT WITH THE 7"SHOE AT 15,387'MD,8,900'TVD PUMPED 3.6 BBL 8.PPG MUD PRESSURE BROKE OVER AT 1510 PSI AND BLED DOWN AND STABILIZED AT 900 PSI EMW 10.44 PPG ATP RECIEVED FROM ODE. 8/13/2014 00:00 - 00:30 0.50 DRILL P PROD1 RIG DOWN TEST EQUIPMENT -BLOW DOWN LINES -MONITOR WELL 00:30 - 01:30 1.00 DRILL P PROD1 DOWN LINK POWER DRIVE TO DRILLING SETTING -PUMP 40 BBL NUT PLUG/SAPP SWEEP FOR BIT BALLING -270 GPM,2350 PSI 01:30 - 03:00 1.50 DRILL P PROD1 DRILL 6-1/8"PRODUCTION HOLE F/15,407'MD TO 15,479'MD(8,978'TVD) -270 GPM,2,450 PSI ON, 2,375 PSI OFF -120 RPM,13-14K TQ -12K WOB -P/U 220K,S/O 144K,ROT 178K, 5-6K TQ -SONIC TOOL NOT RESPONDNG TO DOWNLINKS 03:00 - 04:00 1.00 DRILL N DFAL 15,479.00 PROD1 ROTATE AND RECIPROCATE 15,479'TO 15,400' -ATTEMPING TO AWAKEN SONIC TOOL,NO SUCCESS. - 270 GPM, 2,375 PSI -120 RPM,5-6K TQ Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 72 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 04:00 - 12:00 8.00 DRILL P PROD1 DRILL 6-1/8"PRODUCTION HOLE F/ 15,479' MD TO 15,858'MD(9,209'TVD) 270 GPM,2,440 PSI ON, 2,420 PSI OFF -120 RPM,13-14K TQ ON,8K OFF -8K WOB -P/U 223K,S/O 148K,ROT 185K, -ART=5.66,ADT=5.66,JAR HRS=5.66 SPRAT 15,764'MD/9,175'TVD,MW 8.5 PPG -MP#1 20 SPM=780 PSI,30 SPM=970 PSI MP#2 20 SPM=810 PSI,30 SPM=970 PSI 12:00 - 00:00 12.00 DRILL P PROD1 DRILL 6-1/8"PRODUCTION HOLE F/15,858'MD TO 16,547'MD(9,045'TVD) -270 GPM,2,530 PSI ON, 2,540 PSI OFF -160 RPM,17K TQ ON,10K OFF -10K WOB -P/U 230K,SIO 138K,ROT 181K, -ART=6.64,ADT=12.3,JAR HRS=12.3 -SPR AT 16,239'MD/9,045'TVD,MW 8.5 PPG -PUMP 10.5 PPG WEIGHTED SWEEP AT 16,147'MD,30%INCREASE IN CUTTINGS ON RETURN. -MP#1 20 SPM=940 PSI,30 SPM=1130 PSI -MP#2 20 SPM=930 PSI,30 SPM=1130 PSI 8/14/2014 00:00 - 04:30 4.50 DRILL P PROD1 DRILL 6-1/8"PRODUCTION HOLE F/16,547'MD 16,827' -265 GPM,2,560 PSI ON, 2,515 PSI OFF -140 RPM,19K TQ ON,10K OFF -10KWOB -P/U 234K,S/O 130K,ROT 168K, -SPR AT 16,715'MD/9,036'TVD,MW 8.6 PPG MP#1 20 SPM=940 PSI,30 SPM=1140 PSI -MP#2 20 SPM=940 PSI,30 SPM=1100 PSI -PUMP 10.5 PPG WEIGHTED SWEEP AT 16,645'MD,10%INCREASE IN CUTTINGS ON RETURN. 04:30 - 05:30 1.00 DRILL N DPRB 16,820.00 PROD1 CIRCULATE AND ATTEMPT GET SLB POWER DRIVE ACCEPT DOWNLINK TO CHANGE STEERING ANGLE. 265 GPM,2,560 PSI ON, 2,515 PSI OFF 05:30 - 12:00 6.50 DRILL P PROD1 DRILL 6-1/8"PRODUCTION HOLE F/16,827' MD'TO 17,188'MD(9,041'TVD) -270 GPM,2,500 PSI ON, 2,480 PSI OFF -130 RPM,19K TQ ON,10K OFF -6KWOB -ART=4.67 HRS,ADT=17.94 HRS,JAR HRS =17.94 -P/U 230K,S/O 136K,ROT 178K SPRAT 17,188'MD/9,041'TVD, MW 8.6 PPG -MP#1 20 SPM=800 PSI,30 SPM=940 PSI -MP#2 20 SPM=820 PSI,30 SPM=960 PSI Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 73 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor.DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 12:00 - 00:00 12.00 DRILL P PROD1 DRILL 6-1/8"PRODUCTION HOLE F/17,188'MD TO 17,920'MD(9,069'TVD) -270 GPM,2,614 PSI ON, 2,600 PSI OFF -150 RPM,19/20K TQ ON,10K OFF -7/8K WOB -ART=4.95 HRS,ADT=22.89 HRS,JAR HRS =22.89 -P/U 238K,S/O 137K,ROT 183K -SPR AT 17,757'MD/9,069'ND, MW 8.6 PPG -MP#1 20 SPM=900 PSI,30 SPM=1080 PSI -MP#2 20 SPM=900 PSI,30 SPM=1080 PSI -INTRODUCED GWO SAFETY PLAN TO RIG CREW DURING PTSM. 8/15/2014 00.00 - 12:00 12.00 DRILL P PROD1 DRILL6-1/8"PRODUCTION HOLE F/17,920'MD TO 18,706'MD(9,066'ND) • • -270 GPM,2,614 PSI ON, 2,525 PSI OFF -130 RPM,11K TQ ON,11K OFF -7/8K WOB 1-ART=5.33 HRS,ADT=28.26 HRS,JAR HRS =28.26 -P/U 250K,S/O 128K,ROT 183K -SPR AT 18,706'MD/9,066'TVD, MW 8.6 PPG 1-MP#1/#2, 20 SPM=940 PSI,30 SPM=1020 PSI -INTRODUCED GWO SAFETY PLAN TO RIG CREW DURING PTSM 12:00 - 18:00 6.00 DRILL P PROD1 DRILL 6-1/8"PRODUCTION HOLE F/18,706'MD TO 19,127'MD(9,050'ND) -270 GPM,2,380 PSI ON, 2,400 PSI OFF -130 RPM,18K TQ ON,11K OFF -7/8K WOB -ART=2.95 HRS,ADT=31.21 HRS,JAR HRS =31.21 -P/U 245K,S/O 130K,ROT 180K LOST 300 PSI AND SLB TURBINE SPEED REDUCED BY 1200 RPM INDICATING POSSIBLE WASHOUT IN DRILL STRING. 18:00 - 19:00 1.00 DRILL N DFAL 19,127.00 PROD1 CHECK SURFACE EQUIPMENT FOR PRESSURE LOSS. -SURFACE EQUIPMENT OK MONITOR WELL 19:00 - 23:30 4.50 DRILL N DFAL 19,127.00 PROD1 POOH ON ELEVATORS LOOKING FOR WASHOUT F/19,127'TO 15,292' -MONITOR WELL ON TRIP TANK -TIGHT HOLE AT 17,970'20K OVERPULL,MU TDS AND WASH THROUGH,PULL BACK THROUGH WITH NO PUMP,CLEAN. 23:30 - 00:00 0.50 DRILL N DFAL 19,127.00 PROD1 BREAK CIRCULATION AT T'SHOE W/270 GPM TO CONFIRM TURBINE SPEED,STILL 1200 RPM LOW. -MONTIOR WELL 10 MINS.STATIC 8/16/2014 00:00 - 05:30 5.50 DRILL N DFAL 19,127.00 PROD1 !POOH ON ELEVATORS LOOKING FOR 'WASHOUT F/ 15,292'TO 6,097' -MONITOR WELL ON TRIP TANK -INTRODUCED GWO SAFETY PLAN TO RIG CREW DURING PTSM. 05:30 - 06:00 0.50 DRILL N DFAL 19,127.00 PROD1 BREAK CIRCULATION AFTER SETTING BACK JAR STAND -STAGE PUMPS TO 270 GPM,1230 PSI -MWD TURBINE SPEED STILL 1200 RPM LOW Printed 9/8/2014 12 36,27PM North America-ALASKA-BP Page 74 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date 6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual©88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 06:00 - 08:30 2.50 DRILL N DFAL 19,127.00 PROD1 POOH ON ELEVATORS LOOKING FOR WASHOUT F/6,097'TO 2,586' -MONITOR WELL ON TRIP TANK 08:30 - 09:00 0.50 DRILL N DFAL 19,127.00 PROD1 -STAGE PUMP TO 270 GPM,990 PSI -MWD TURBINE SPEED STILL 1200 RPM LOW 09:00 - 10:00 1.00 DRILL N DFAL 19,127.00 PROD1 POOH ON ELEVATORS LOOKING FOR WASHOUT F/ 2,586'TO 214' -MONITOR WELL ON TRIP TANK 10:00 - 10:30 0.50 DRILL P PROD1 PERFORM WEEKLY BOP FUNCTION TEST -CLOSING TIMES,LPR=18 SEC,UPR=19 SEC,ANNULAR=21 SEC 10:30 - 11:00 0.50 DRILL N DFAL 19,127.00 PROD1 MU TDS AND BREAK CIRCULATION AT 126 GPM,170 PSI. -FOUND WASHOUT IN SLB ADN SAVER SUB, BREAK OUT AND tAYDOWN SAME. 11:00 - 13:00 2.00 DRILL N DFAL 19,127.00 PROD1 WORK BHA -STAND BACK FLEX DC'S -SLB REP REMOVE AND SECURE RA SOURCE -LAY DOWN ADN,SONIC TOOL,IMPULSE, ARCHER,BIT -BIT GRADE=0-1-ER-A-X-I-N-PP -MUD LOSS FOR TRIP OUT=43 BBL 13:00 - 13:30 0.50 DRILL P PROD1 PERFORM WEEKLY BOP FUNCTION TEST -BLIND SHEAR RAM CLOSING TIME=19 SEC -SIMOPS,MU PUP JT ON TOP OF 4"SHEAR JT 13:30 - 15:00 1.50 DRILL N DFAL 19,127.00 PROD1 PICK UP BHA#7 -PU/MU NEW POWER DRIVE,BIT -MOBILIZE NEW IMPULSE AND SONIC TOOL 15:00 - 15:30 0.50 DRILL P PROD1 PERFORM RIG SERVICE -VISUALLY INSPECT TDS AND BLOCKS 15:30 - 17:30 2.00 DRILL N DFAL 19,127.00 PROD1 PICK UP BHA#7 -PU/MU MWD,SONIC,ADN AND INSTALL SOURCE -PU BHA#7 TO 214' 17:30 - 00:00 6.50 DRILL N DFAL 19,127.00 PROD1 RIH WITH BHA#7 F/214'TO 9,882' -PERFORM SHALLOW TEST AT 1,500'W/270 GPM,1,338 PSI,OK -FILL PIPE EVERY 15 STANDS. -MUD LOSS FOR TOUR=18 BBL 8/17/2014 00:00 - 04:00 4.00 DRILL N DFAL 19,127.00 PROD1 RIH W/BHA#7 F/9,882'TO 15,292' -FILL PIPE EVERY 15 STDS 04:00 - 05:30 1.50 DRILL P PROD1 CUT/SLIP DRILLING LINE -RECALIBRATE AMPHION,TOTCO,SLB -MONITOR WELL ON TRIP TANK 05:30 - 06:00 0.50 DRILL P PROD1 RIG SERVICE -SERVICE AND INSPECT TDS,BLOCKS AND CROWN 06:00 - 06:30 0.50 DRILL N DFAL 19 127.00 PROD1 BREAK CIRCULATION AND OBTAIN PARAMETERS BEFORE ENTER OPENHOLE. -DOWNLINK TOOLS TO TURN ON SONIC TOOL FOR MAD PASS I-84 GPM 760 PSI I-168 GPM 1,270 PSI I-250 GPM 2,200 PSI 06:30 - 09:00 2.50 DRILL N DFAL 19,127.00 PROD1 RIH ON ELEVATORS AT 850'/HR F/15,382'TO 16,621'FOR SONIC TOOL MAD PASS -CONTINUE RIH ON ELEVATORS F/16,621'TO 16,811' Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 75 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date.8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6.00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. 1UWI:500292351400 Active datum:Y-39 Actual©88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase I Description of Operations (hr) (usft) 09:00 - 09:30 0.50 DRILL N DFAL 19,127.00 PROD1 BREAK CIRCULATION,STAGE PUMPS UP -84 GPM 880 PSI -168 GPM 1400 PSI - 248 GPM,2,390 PSI -DOWNLINK ARCHER TO NEUTRAL 09:30 - 10:00 0.50 DRILL N DFAL 19,127.00 PROD1 RIH ON ELEVATORS F/16,811 TO 17,325' -UNABLE TO WORK PAST WITH 30K DOWN 10:00 - 11:00 1.00 DRILL N DFAL 19,127.00 PROD1 BREAK CIRCULATION STAGING PUMPS TO .267 GPM 2630 PSI -DOWN LINK TO ARCHER -WASH/REAM PAST OBSTRUCTIONS AT 17,325',17,381' '-267 GPM 2630 PSI -40 RPM,10K TO -RECIPROCATE PIPE F/17,280'TO 17,381' 11:00 - 12:00 1.00 DRILL N DFAL 19,127.00 PROD1 CONTINUE RIH ON ELEVATORS F/17,381'TO 17,660' UNABLE TO WORK PAST 17,660'WITH 25K DOWN -FLUID LOSS FOR TOUR=49 BBL 12:00 - 12:30 0.50 DRILL N DFAL 19,127.00 PROD1 WASH AND REAM F/17,640'TO 17,660' -215 GPM,1946 PSI -40 RPM,10K TO 12:30 - 13:00 0.50 DRILL N DFAL 19,127.00 PROD1 RIH ON ELEVATORS F/17,660'TO 17,984' -UNABLE TO WORK PAST 17,984' 13:00 - 13:30 0.50 DRILL N DFAL 19,127.00 PROD1 STAGE PUMPS UP TO 270 GPM,2750 PSI -40 RPM,10K TQ -WASH THROUGH SPOT AT 17,984' 13:30 - 16:30 3.00 DRILL N DFAL 19,127.00 PROD1 CONTINUE RIH F/17,984'TO 18,994' BREAK CIRC AND OBTAIN SURVEYS AT 18,331',18,862' 16:30 - 17:30 1.00 DRILL N DFAL 19,127.00 PROD1 PRECAUTIONARY WASH F/18,994'TO 19,127' 270 GPM,2650 -100 RPM,12K TQ 17:30 - 00:00 6.50 DRILL P PROD1 DRILL 6-1/8"PRODUCTION HOLE F/19,127'TO 19,438'MD(9,047'TVD) -270 GPM,2,646 PSI ON, 2,620 PSI OFF I-130 RPM,15K TQ ON,11K OFF -12K WOB -ART=2.8 HRS,ADT=2.8 HRS,JAR HRS= 34.01 -P/U 243K,SIO 127K,ROT 186K -MUD LOSS FOR TOUR=40 BBL 8/18/2014 00:00 - 12:00 12.00 DRILL P PROD1 DRILL 6-1/8"PRODUCTION HOLE F/19,438'MD TO 19,943'MD(9,060'ND) 1-270 GPM,2,800 PSI ON, 2,750 PSI OFF -130 RPM,14K TO ON,11K OFF -12KWOB -ART=4 HRS,ADT=4 HRS,JAR HRS=38.96 -P/U 238K,S/O 135K,ROT 186K SPR 19,560'MD/9,054'ND MW=8.6PPG -MP#1-20/20 SPM=830/1060 PSI -MP#2-20/30 SPM=860/1060 PSI Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 76 of 77 Operation Summary Report Common Well Name:Y-39 AFE No Event Type.DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. ,UWI:500292351400 Active datum:Y-39 Actual©88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 12:00 - 19:00 7.00 DRILL P PROD1 DRILL 6-1/8"PRODUCTION HOLE TO TD F/ 19,943'MD TO TD OF 20,280'MD(9,041'ND) ,/ -270 GPM,2,740 PSI ON, 2,600 PSI OFF -130 RPM,14K TQ ON,11K OFF -12K WOB -ART=3.62 HRS,ADT=3.62 HRS,JAR HRS= 42.58 -P/U 232K,S/O 131K,ROT 180K 19:00 - 23:00 4.00 DRILL P PROD1 CIRCULATE AND DOWN LINK ARCHER TO NEUTRAL POSITION. - ROTATION&RECIPROCATE F/20,280'MD TO 20,227'MD -AFTER 1X BOTTOMS UP SET BACK ONE STAND AND CONTINUE CIRCULATE BOTTOMS UP X 2 UNTIL SHAKER CLEAN - ROTATE&RECIPROCATE F/20,224'MD TO 20,133'MD -270 GPM,2,625 PSI ON, 2,600 PSI OFF -100 RPM,10KTQ OFF -P/U 235K,S/O 130K ROT 186K -MONITOR WELL 10 MINUTES(STATIC) 23:00 - 00:00 1.00 DRILL P PROD1 BACK REAM OUT OF HOLE F/20,224'MD TO 19,753'MD AT 1000'/HR -270 GPM,2,600 PSI -120 RPM,10-11K TQ -P/U 238K,S/O 130K 8/19/2014 00:00 - 14:30 14.50 DRILL P PROD1 BACK REAM OUT OF HOLE F/19,753'MD TO 19,184'MD AT 1000'/HR MAD PASS OUT OF HOLE F/19,184'MD TO 16,426'MD AT 700'-850'/HR BACK REAM OUT OF HOLE F/16,426'MD TO 15,485'MD AT 1000'/HR PULL INTO SHOE WITH NO ROTATION 15,485' TO 15,385' -270 GPM,2,600 PSI -120 RPM,10-11K TQ -P/U 238K,S/O 130K MUD LOSS FOR 12HRS=78 BBL AOGCC REPS JOHN CRISP AND VICTORIA FERGUSON MADE INFORMAL VISIT TO RIG TO VISUALLY INSPECT BOPE 14:30 - 17:00 2.50 DRILL P PROD1 CIRCULATE UNTIL SHAKER CLEAN -RECIPROCATE F/15,385'TO 15,290' -270 GPM,2,355 PSI 17.00 - 21:30 4.50 DRILL P PROD1 RIH ON ELEVATORS F/15,385'TO 20,034' -TIGHT HOLE AT 19,385'TOOK 25K DOWN. MU TDSAND WASH THROUGH 3X,WIPE THROUGH DRY,OK -ENCOUNTER TIGHT HOLE AT 20,034' 21:30 - 00:00 2.50 DRILL P PROD1 WASH/REAM TO BOTTOM F/20,034'TO 20280' -STAGE PUMPS TO 270 GPM,2857 PSI -80 RPM,9K TQ -OBSERVE PUMP PRESSURE INCREASES AT 20,038 AND 21,095'REDUCED PUMP RATE, PICKED UP STRING 30' AND STAGE PUMPS BACK TO 270 GPM,2850 PSI -MUD LOSS FOR 12 HRS=66 BBL Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 77 of 77 Operation Summary Report Common Wet Name:Y-39 AFE No Event Type:DRL-ONSHORE(DON) Start Date:6/28/2014 End Date:8/21/2014 X3-0159M-C:(13,188,548.00) Project:Prudhoe Bay ' Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual©188.20usft(above Mean Sea Level) Date From-To 1 Hrs 1 Task 1 Code NPT NPT Depth Phase Description of Operations (hr) (usft) 8/20/2014 00:00 - 04:30 4.50 1 DRILL P PROD1 CIRCULATEANDCONDITONHOLEATTD 20,280' -CIRCULATE BOTTOMS UP 3X,13,500 STKS TOTAL. -WALL CAKE AND SAND SEEN DURING CIRCULATION.. -ROTATE AND RECIPROCATE PIPE 270 GPM,2800 PSI ,120 RPM,11K TQ -PU 230K ,SO 138K,ROT 165K -TOTAL MUD LOSS DURING CIRCULATION 55 BBL -MONITOR WELL -SPR AT 20,270'MD/9,045'TVD,MW 8.6 MP#1 20/30 SPM=930/1160 PSI -MP#2 20/30 SPM=940/1160 PSI 04:30 - 08:30 4.00 DRILL P PROD1 POOH ON ELEVATORS F/20,280'TO 15,290' -TIGHT SPOTS AT 19,576',17,990', 16,960'. DRY WIPE EACH IX.OK -MONTIOR HOLE FILL ON TRIP TANK 08:30 - 10:30 2.00 DRILL P PROD1 STAGE PUMPS AND CIRCULATE BOTTOMS UP 2X,AT 7"CASING SHOE - 7,000 STKS RECIPROCATE PIPE F/15,190'TO 15,287' -PU 210K,SO 140K,ROT 175 -MONITOR WELL,STATIC -DID NOT DROP RABBIT AS PER ODE 10:30 - 11:30 1.00 DRILL P PROD1 CUT/SLIP DRILLING LINE -PJSM RECALIBRATE AMPHION,TOTCO,AND SLB 11:30 - 12:00 0.50 DRILL P PROD1 RIG SERVICE -SERVICE AND INSPECT TDS -MUD LOSS FOR TOUR=78 BBL 12:00 - 12:30 0.50 DRILL P PROD1 RIG SERVICE -SERVICE AND INSPECT TDS,CROWN AND BLOCKS. 12:30 - 13:00 0.50 DRILL P PROD1 -RECALIBRATE BLOCK HEIGHT AMPHION, TOTCO,AND SLB -SLR DURING CUT/SLIP OPERATION WAS 2.0 BPH 13:00 - 16:00 3.00 DRILL P PROD1 POOH F/15,290'TO 9890' -MONITOR WELL ON TRIP TANK 16:00 - 16:30 0.50 DRILL P PROD1 SWAP TO HIGHLINE POWER -CHECK AMPHION,DRIVES,AND ASSIGNMENTS. 16:30 - 23:00 6.50 DRILL P PROD1 1 POOH F/9,890'TO 213' -LAY DOWN JAR AND 8 JTS 4"HWDP MONTIOR HOLE ON TRIP TANK 23:00 - 00:00 1.00 DRILL P PROD1 PJSM ON BHAAND RA SOURCE HANDLING -LAY DOWN XO'S AND DRILL COLLARS -MONTIOR HOLE ON TRIP TANK -MUD LOSS FOR TOUR=40 BBL 8/21/2014 00:00 - 01:30 1.50 DRILL P PROD1 CONTINUE LAY DOWN BHA AS PER SLB DD -BIT GRADE 0-0-NO-A-X-I-ER-TD 01:30 - 02:00 0.50 DRILL P PROD1 CLEAN AND CLEAR FLOOR -LAY DOWN TOOLS THROUGH BEAVER SLIDE -SWITCH TO CON EVENT Printed 9/8/2014 12:36:27PM North America-ALASKA-BP Page 1 of 7 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:COM-ONSHORE(CON) Start Date:8/21/2014 End Date:8/27/2014 X3-0159M-C:(6,053.691.00) Project Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor.DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual r©D88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 8/21/2014 02:00 - 03:00 1.00 CASING P RUNPRD PULL AND SERVICE PS-21 SLIPS PRIOR TO RUN PRODUCTION LINER -SIMOPS,RIG UP CASING EQUIPMENT TO RUN 4.5"PRODUCTION LINER 03:00 - 04:00 1.00 CASING P RUNPRD RUN 4.5"13.5# 85CR13 LINER WITH HYDRIL 521 THREADS. 1-MAKE UP BOT CEMENT HEAD. -MONITOR HOLE WITH TRIP TANK 04:00 - 12:00 8.00 CASING P RUNPRD RUN 4.5"13.5# 85CR13 LINER WITH HYDRIL 1521 THREADS. i-PJSM WITH BP,DDI,BOT. -PICK UP SHOE TRACK AND CHECK FLOATS. OK RUN F/0'TO 5,040' TOTAL OF 119 JTS -TORQUE TURN TO 5,000 FT/LB -FLOATING CENTRALIZERS 2 PER JOINT AND 3 STOP RINGS ON JOINTS#1-116 -INSTALL RA MARKERS AT 18,832'(JT#33), 17,553'(JT#64) -FILL ON THE FLY AND TOP OFF CASING EVERY 10 JOINTS _ -MUD LOSS FOR TOUR=14 BBL 1200 14:00 2.00 CASING P RUNPRD PICK UP LINER HANGER -INSTALL PAL MIX 1-PICK UP BUMPER SUB AND XO -BREAK CIRCULATION,STAGE PUMPS TP 295 GPM,554 PSI,PUMPED 1163 STKS,1.5 LINER ,VOLUMES. LINER WT W/BLOCKS,PU 86K,SO 74K 14.00 - 22:30 8.50 CASING P RUNPRD I RIH W/4.5"LINER ON 4"DRILLPIPE F/5,040' TO 15,347' -RECORD PU/SO WEIGHTS EVERY 10 JOINTS AT2BPM -MONTIOR HOLE ON TRIP TANK 22:30 - 23:30 1.00 CASING P RUNPRD CIRCULATE AT 15,347'PRIOR TO EXIT INTO OPEN HOLE. -STAGE PUMPS TO 7 BPM -1 BPM=525 PSI,3 BPM=739 PSI,4 BPM= 861 PSI,5 BPM=980 PSI,6 BPM=1200 PSI,7 BPM=1430 PSI -OBTAIN LINER ROTATING PARAMETERS -5 RPM=7.5K TQ,10 RPM=7.5KTQ,15RPM =7K TQ,20 RPM=7K TQ PU WT=200K,SO 131K,ROT 153K 23:30 - 00:00 0.50 CASING P RUNPRD 1 RIH W/4.5"LINER ON 4"DRILL PIPE F/15,347' TO 15,632' -MONITOR WELL ON TRIP TANK -MUD LOSS FOR TOUR=16 BBL 8/22/2014 00:00 - 04:30 4.50 CASING P RUNPRD RIH W14.5"LINER ON 4"DRILL PIPE F/15,632 'TO 20,280' -MONITOR WELL ON TRIP TANK - 04:30 - 05:00 0.50 CASING P RUNPRD PICKUP BOT CEMENT HEAD. MONITOR WELL ON TRIP TANK. Printed 9/8/2014 12.37:18PM North America-ALASKA-BP Page 2 of 7 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:COM-ONSHORE(CON) Start Date:8/21/2014 End Date:8/27/2014 X3-0159M-C:(6,053,691.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 05:00 - 12:00 7.00 CASING P RUNPRD TAG BOTTOM ON DEPTH AT 20,280' -BREAK CIRCULATION,STAGING PUMPS UP IN.5 BBL STAGES TO 4.5 BPM 1475 PSI -RECIPROCATE PIPE F/20,280'TO 20,265' CONTINUE CIRCULATION AND SLOWLY STAGE PUMP TO 5.3 BPM,1500 PSI RECIPROCATE PIPE F/20,280'TO 20,248'AT 30 FPM -FLUID LOSS=101 BBLS,INCLUSIVE OF 45 BBL OIL CONTAMINATED MUD DUMPED TO CUTTING TANK -CEMENTING PJSM AND PRESSURE CROSS CHECK LIST,WITH BP,DDI,BOT,SLB -MAKE 24HR NOTIFICATION TO AOGCC FOR UPCOMING BOP TEST RECIEVED REPLY AOGCC REP JEFF JONES WILL WITNESS. 12:00 - 12:30 0.50 r CEMT P RUNPRD RIG UP AND PT CEMENT LINES TO 250 PSI LOW/5000 PSI HIGH,5/5 MIN,OK 12:30 - 13:30 1.00 CEMT P RUNPRD CIRCULATE AND RECIPROCATE PIPE F/ 20,280'TO 20,260' -STAGE PUMPS UP TO 5 BPM,1450 PSI PU WEIGHT 217K,SO 130K. 13:30 - 17:00 3.50 CEMT P RUNPRD CEMENT 4.5"PRODUCTION LINER -PUMP 45 BBL 10.6 PPG MUD PUSH II AT 4.2 BPM,ICP 700 PSI,FCP,1041 PSI -PUMP 124 BBL 15.8 PPG CLASS G TAIL AT 4.7 BPM,ICP 793 PSI,FCP 430 PSI -LAUNCH DART AND WASH LINES -USE SLB UNIT TO DISPLACE 85 BBL PERF PILL,143.5 BBL 8.6 PPG MUD.ICP 1300 PSI, FCP 1900 PSI. -RECIPROCATE PIPE F/20,280'TO 20,260' UNTIL 21 BBL CEMENT EXIT SHOE.PARK LINER AT 20,278' -NO LOSSES AFTER CEMENT EXIT SHOE. - BUMP PLUG WITH 228.5 TOTAL DISPLACEMENT.CIPAT 15:30 HRS. -WALK PRESSURE FROM 1900 PSI TO 3200 PSI TO SET HANGER -VERIFY WITH 70K DOWN WEIGHT. -PRESSURE TO 4500 PSI FOR 5 MINUTES TO RELEASE HANGER -BLEED PRESSURE AND PU,RELEASED FROM LINER HANGER - CHECK FLOATS,OK -PU 7'TO EXPOSE DOG SUB,207 K,SO 90K DOWN 2X AND SET ZXP LINER TOP PACKER. GOOD SURFACE INDICATION OF SET. -SLACK OFF 8K DOWN AND ROTATE 15 RPM TO CONFIRM SET. - TOP OF LINER 15,201' -MUD LOSS FOR TOUR 0 BBLS 17:00 - 17:30 0.50 CEMT P RUNPRD PRESSURE UP TO 1,200 PSI AND PICKUP STRING W/208K -CIRCULATE OUT CEMENT AT 12 BPM,3200 PSI,PUMPED 5630 STKS. -DUMP 100 BBL CEMENT AND SPACER CONTAMINATED MUD. 17:30 - 18:00 0.50 CEMT P RUNPRD RIG DOWN BOT CEMENT HEAD AND CEMENT LINES Printed 9/8/2014 12:37:18PM North America-ALASKA-BP Page 3 of 7 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:COM-ONSHORE(CON) Start Date:8/21/2014 End Date:8/27/2014 X3-0159M-C:(6,053,691.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual©88.20usft(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 CEMT P RUNPRD PERFORM PIPE MANAGEMENT AND POOH W/ BOT HRD RUNNING TOOL -LAY DOWN TO PIPE SHED IN SINGLES F/ 15,195'TO 9,058' '-MONITOR WELL ON TRIP TANK. 8/23/2014 00:00 - 04:30 4.50 CASING P RUNPRD PERFORM PIPE MANAGEMENT AND POOH W/ BOT HRD RUNNING TOOL -LAY DOWN TO PIPE SHED IN SINGLES F/ 9,058'TO 9015' TOTAL 195 SINGLES LAID DOWN. -POOH RACKING BACK 95 STANDS F/9015' TO SURFACE. MONTIOR HOLE ON TRIP TANK 04:30 - 06:00 1.50 CASING P RUNPRD LAY DOWN BOT HRD RUNNING TOOL -BOT REP CONFIRM DOG SUB SHEARED -BREAK AND LAY DOWN BOT CEMENTING HEAD 06:00 - 07:00 1.00 BOPSUR P RUNCMP PREPARE TO TEST BOPE -DRAIN STACK -PULL WEAR BUSHING AND SET TEST PLUG -FILL STACK AND FLUSH LINES RIG UP TEST EQUIPMENT 07:00 - 13:00 6.00 BOPSUR P RUNCMP TEST BOPE -TEST BOPE TO 250 PSI LOW,3,500 PSI HIGH FOR 5 MINUTES EACH -TEST(2)2-7/8"X 5-1/2" VBR WITH 2-7/8"&4. 5"TEST JOINTS -TEST ANNULAR WITH 2-7/8""TEST JOINT -ACCUMULATOR DRAWDOWN TEST. -ALL TESTS CHARTED,SEE ATTACHED BOP TEST CHARTS -ALL TEST PASS BP TEST CRITERIA FOR BOPE TESTING. -#2 ELECTRIC ACCUMULATOR PUMP DID NOT KICK ON DURING RECOVERY TEST. RIG ELECTRICIAN TROUBLE SHOOT AND REPAIR LOOSE ELECTRICAL CONNECTION.PUMP 100%OPERATIONAL PRIOR TO AOGCC REP DEPARTING LOCATION. -TEST WITNESS BY AOGCC REP JEFF JONES-8/23/14 13:00 - 14:00 1.00 BOPSUR P RUNCMP RIG DOWN TEST EQUIPMENT -BLOW DOWN CHOKE AND KILL LINES -INSTALL WEAR BUSHING 14:00 - 15:30 1.50 BOPSUR P RUNCMP PERFORM TEST ON 7"CASING X 4.5"LINER -RIG UP TEST EQUIPMENT -CHART TEST LINER TO 250 PSI LOW-5 MIN/ 3,500 PSI HIGH-30 MIN, -PRESSURES SATISFY BP TEST CRITERIA FOR PASSING TEST -9.4 BBL PUMPED,8.5 BBL BLED BACK -ATP GIVEN BY WTL 15:30 - 17:00 1.50' PERF P RUNCMP RIG UP FLOOR TO RUN 2-7/8"PAC PIPE AND TCP GUN STRING -RIG UP 2-7/8"PAC SHEAR JOINT WITH FOSV. Printed 9/8/2014 12:37:18PM North America-ALASKA-BP Page 4 of 7 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:COM-ONSHORE(CON) Start Date:8/21/2014 End Date:8/27/2014 X3-0159M-C:(6,053,691.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 17:00 - 17:30 0.50 PERF P RUNCMP PJSM ON PU AND RUN OF TCP GUN STRING. -ATTENDED BY BP,DDI,SLB,DDI CASING PERSONNEL -DISCUSSED THAT PERF GUNS ARE !NON-SHEARABLES AND THAT NECESSARY XO'S ARE AVAILABLE. 17:30 - 00:00 6.50 PERF P RUNCMP I RIH WITH 2-7/8"PAC PIPE ANDTCP GUN STRING TO 3,160' -MONITOR DISPLACEMENT ON TRIP TANK 8/24/2014 00:00 - 05:00 5.00 PERF P RUNCMP :RIH WITH 2-7/8"PAC PIPE ANDTCP GUN STRING F/3,160 TO 5,038' -CHANGE ELEVATORS AND SLIP INSERTS TO HANDLE 4"XT39 DRILL PIPE -MONITOR DISPLACEMENT ON TRIP TANK 05:00 - 10:30 5.50 PERF P RUNCMP RIH WITH TCP GUN STRING ON 4"DRILL PIPE TO F/5,038'TO 15,098' -MONITOR DISPLACEMENT ON TRIP TANK 10:30 - 11:30 1.00 PERF P RUNCMP CUT/SLIP DRILLING LINE -RECALIBRATE AMPHION,TOTCO,BLOCK HEIGHT. 11:30 - 12:00 0.50 PERF P RUNCMP RIG SERVICE -SERVICE AND INSPECT TDS,BLOCKS,AND CROWN. 12:00 - 15:00 3.00 PERF P RUNCMP RIH WITH TCP GUN STRING ON 4"DRILL PIPE F/15,098'TO 20,187' -TAG LANDING COLLAR W/2.5K ON DEPTH AT 20,187'. -PU AND SET GUNS ON DEPTH 20,185'AS PER SLB TCP AND BP WSL. 15:00 - 15:30 0.50 PERF P RUNCMP PJSM ON PERFORATING -BP,SLB TCP,DDI ATTEND 15:30 - 16:00 0.50 PERF P RUNCMP ESTABLISH CIRCULATION W/.5 BPM,600 PSI FLUID PACK KILL LINE -CLOSE ANNULAR AND ESTABLISH PUMP AND BLEED OFF RATES TO FIRE GUNS '16:00 - 17:00 1.00 PERF P RUNCMP PERFORATE USING 4 TIMED PRESSURE AND BLEED CYCLES TO 1000 PSI TO ARM FIRING HEAD. -OPEN ANNULAR -TWO SURFACE INDICATIONS OF GUNS FIRING,WITH FLUID LEVEL DROPPING SLIGHTLY EACH TIME. - PERFORATION INTERVALS F/16,465 TO 17,750'AND 19,610'TO 20,185' w/6 SPF,60° PHASING -POOH F/20,185'TO 20,122' -INITIAL LOSS, 3 BBLS AFTER PERFORATING -MONITOR WELL,FLUID LEVEL DROPPING. 17:00 - 19:30 2.50 PERF P RUNCMP POOH F/20,122'TO 16,427'BULL NOSE DEPTH -LAY DOWN DOUBLES TO PIPE SHED -LOST 8 BBLS ON POOH 19:30 - 21:00 1.50 PERF P RUNCMP DISPLACE WELL WITH 8.6 SEA WATER THROUGH SLB CIRCULATION PORT AT 12,675' -PUMP 40 BBL HIGH VIS SPACER -DISPLACE WITH 578 BBL SEA WATER, PUMPED 6144 STKS TOTAL -9 BBL LOST DURING DISPLACEMENT -MONITOR WELL,STATIC Printed 9/8/2014 12:37:18PM North America-ALASKA-BP Page 5 of 7 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:COM-ONSHORE(CON) Start Date:8/21/2014 End Date:8/27/2014 X3-0159M-C:(6,053,691.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UVN:500292351400 Active datum:Y-39 Actual©88.20usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 21:00 - 00:00 3.00 PERF P RUNCMP DRILL PIPE MANAGEMENT -LAY DOWN SINGLES TO PIPE SHED F/ 16,427'TO 13,104' -MONTIOR WELL ON TRIP TANK 8/25/2014 00:00 - 06:00 6.00 PERF P RUNCMP DRILL PIPE MANAGEMENT -LAY DOWN SINGLES TO PIPE SHED F/ 13,104'TO 5,038' -MONTIOR WELL ON TRIP TANK 06:00 - 08:30 2.50 PERF P I RUNCMP POOH LAYING DOWN PERFORATING STRING -CHANGE ELEVATORS AND SLIPS -LAY DOWN 30 JTS 2-7/8"PAC F/5,038'TO 4,131' -MONITOR WELL ON TRIP TANK 08:30 - 09:00 0.50 PERF P RUNCMP PJSM ON LAYING DOWN FIRED GUNS AND NON-SHEARABLES ACROSS BOP SLB,BP,DDI ATTENDING 09:00 - 09:30 0.50 PERF P RUNCMP POOH LAYING DOWN PERFORATING STRING -LAY DOWN 10 JTS 2-7/8"PAC F/4,131'TO 3,755' -MONITOR WELL ON TRIP 09:30 - 10:30 1.00 PERF P RUNCMP LAY DOWN FIRED GUNS. -CHANGE OUT HANDLING EQUIPMENT SIMOPS: -RELEASE TRAPPED PRESSURE IN FIRING HEAD 10'30 - 11:30 1.00 PERF N SFAL 3,755.00 RUNCMP UNABLE TO LATCH ELEVATORS ON PERF GUN HANDLING SUB IN SLIPS.NO CLEARANCE BETWEEN BAILS AND TDS TORQUE WRENCH. -WAIT FOR ARRIVAL OF BAIL EXTENSIONS. SIMOPS: CLEAN RIG FLOOR -MONITOR WELL ON TRIP TANK -FLUID LOSS FOR TOUR=16 BBL 11:30 - 12:00 0.50 PERF P RUNCMP PJSM ON LAYING DOWN FIRED GUNS AND NON-SHEARABLES ACROSS BOP WITH NEW CREW COMING ON TOUR. 12:00 - 15:00 3.00 PERF P RUNCMP I LAY DOWN FIRED GUNS -INSTALL 4'BAIL EXTENSIONS -LAY DOWN 40 FIRED GUNS AS PER SLB TCP F/3,755'TO 2,445' -MONITOR WELL ON TRIP TANK 15:00 - 18:00 3.00 PERF P RUNCMP POOH LAYING DOWN PERFORATING STRING -CHANGE OUT HANDLING EQUIPMENT -LAY DOWN 58 JTS 2-7/8"PAC F/2,445"TO 575' -MONITOR WELL ON TRIP 18.00 - 19:30 1.50 PERF P RUNCMP LAY DOWN FIRED GUNS -LAY DOWN 19 FIRED GUNS AS PER SLB TCP F/575'TO SURFACE -SLB CONFIRM GUNS 100%FIRED. -MONITOR WELL ON TRIP TANK 19:30 - 20:00 0.50 PERF P RUNCMP CLEAN AND CLEAR RIG FLOOR. 20:00 - 21:00 1.00 RUNCOM P RUNCMP PULL WEAR BUSHING -MAKE UP JOHNNY WHACKER AND WASH STACK AND TBG HANGER PROFILE -MAKE UP 4"SHEAR JOINT WITH FOSV 21:00 - 21:30 0.50 RUNCOM P RUNCMP MAKEUP AND DUMMY RUN TUBING HANGER.. j-LAY DOWN SAME. Printed 9/8/2014 12.37:18PM North America-ALASKA-BP Page 6 of 7 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:COM-ONSHORE(CON) Start Date:8/21/2014 End Date:8/27/2014 •X3-0159M-C:(6,053,691.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:OOPM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual @88.20usft(above Mean Sea Level) Date From-To Hrs Task Code f NPT NPT Depth I Phase Description of Operations (hr) (usft) 21:30 - 23:30 2.00 RUNCOM P RUNCMP 1 RIG UP TO RUN 4.5"COMPLETION ASSEMBLY I-PJSM WITH SLB,HES,BP,DDI -RIG UP SLB I-WIRE SPOOL AND SHEAVE -MOBILIZE I-WIRE CLAMPS TO RIG FLOOR. BP WSLAND HES REPS VERIFY AND CONFIRM SIZES AND PLACEMENTS OF X-NIPPLES. 23:30 - 00:00 0.50 RUNCOM P RUNCMP t RUN 4.5 12.6#13CR85 TUBING AND COMPLETION ASSEMBLY TO 138' ,-BAKER LOKALL CONNECTIONS BELOW HES IPACKER 8/26/2014 00:00 - 01:00 1.00 RUNCOM P RUNCMP PICKUP AND INSTALL SAPPHIRE GAUGE INTO CARRIER -SLB CONNECT I-WIRE AND TEST SAME.OK -MONTIOR WELL ON TRIP TANK 01:00 - 06:00 5.00 RUNCOM P RUNCMP RUN 4.5"12.6#13CR85 TUBING PER RUNNING DETAIL F/138'TO 2,620', 55 JTS RAN -TORQUE TURN WITH 4,400 FT/LBS MAKE UP. -INSTALL I-WIRE CLAMP ACROSS COLLAR ON EACH JOINT. •-SLB TEST I-WIRE EVERY 25 JTS 1_-__MONTIOR WELL ON TRIP TANK 08:00 - 00:00 18.00 RUNCOM P RUNCMP !RUN 4.5"12.6#13CR85 TUBING PER RUNNING DETAIL F/2620'TO 13,792', 336 JTS RAN -TORQUE TURN WITH 4,400 FT/LBS MAKE UP. -INSTALL I-WIRE CLAMP ACROSS COLLAR ON EACH JOINT. -SLB TEST I-WIRE EVERY 25 JTS -MONTIOR WELL ON TRIP TANK 8/27/2014 00:00 - 04:30 4.50 RUNCOM P RUNCMP CONTINUE TO RUN 4.5"COMPLETION. 353 jts 4.5"13CR VAM TOP TBG TOTAL. - TAG 11'INTO PBR BTM AT 15,212'. -SPACE OUT WITH WLEG AT 15,205.8' -MU HANGER. FLOW CHECK.DRAIN BOP STACK.TERMINATE I-WIRE. CHECK CONTINUITY. -LAND HANGER. RILDS AS PER FMC REP. 'TORQUE SAME TO 450 FT-LBS. 04:30 - 05:00 0.50 RUNCOM P RUNCMP FLUSH LINES WITH H2O. PT SURFACE LINES T/250/3500 PSI. CHART SAME. 05:00 - 07:30 2.50 RUNCOM P RUNCMP REVERSE CIRC 234 BBLS 120 DEG SEAWATER AT 4 BPM DOWN IA,TAKING RTNS UP TBG. FOLLOW WITH 178 BBLS •CORROSION INHIB SEAWATER. CHASE WITH 108 BBLS SEAWATER. 1 BPM-60 PSI,2 BPM-120 PSI,3 BPM-290 PSI,4 BPM-470 IA • PSI. SWAP ALIGNMENT AND PUMP 5 BBLS DOWN TBG. 07:30 - 12:00 4.50 RUNCOM P RUNCMP RD PUMP IN SUB. DROP BALL&ROD. PRESSURE TBG 3X WITH NO RESULT. SWAP ALIGNMENT AND REVERSE CIRC 4 BBLS. PRESSURE TBG TO 250/3500 PSI F/5/30 MIN. CHART SAME. BLEED TBG T/1500 PSI. PUMP DN IA TO PRESS TEST IA&PACKER TO 250/3500 PSI F/5/30 MIN. CHART SAME. I WAIT ON WTL APPROVAL. BLEED PRESS OFF TBG W/3500 PSI ON IA. SHEAR DCR VALVE. CIRC 3 BBLS BOTH WAYS. LINE UP TO FP. Printed 9/8/2014 12:37:18PM North America-ALASKA-BP Page 7 of 7 Operation Summary Report Common Well Name:Y-39 AFE No Event Type:COM-ONSHORE(CON) Start Date:8/21/2014 End Date:8/27/2014 X3-0159M-C:(6,053,691.00) Project:Prudhoe Bay Site:PB Y Pad Rig Name/No.:DOYON 25 Spud Date/Time:6/30/2014 6:00:00PM Rig Release: Rig Contractor:DOYON DRILLING INC. UWI:500292351400 Active datum:Y-39 Actual©88.20usft(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 RIGD P POST REVERSE CIRC 81 BBLS 80 DEG DIESEL AT 1.5 BPM. ICP:490,FCP;600 PSI. ALLOW U-TUBE. ONE HR. TBG&IA PRESS:270 PSI. SIMOPS:CLEAN PITS. MU DRY HOLE TREE& !ADAPTER FLANGE. SWAP FROM HIGH LINE POWER TO GENERATOR @ 13:30 HRS. 14:00 - 14:30 0.50 RIGD P POST RD LANDING JT AND SURFACE LINES. 14:30 - 15:30 1.00 RIGD P POST MU TWC, INSTALL SAME. TEST F/BELOW WITH DIESEL.TO 250/3500 FOR 5/5. CHART SAME. TEST F/ABOVE WITH H2O T/250/3500 •PSI. F/5/5 CHART SAME. 15:30 - 20:00 4.50 RIGD P POST ND BOP. PULL PS-21. REMOVE FLOW LINE. REMOVE CHOKE&KILL LINES. REMOVE BELL NIPPLE. SLIDE JOES BOX. SKID BOPS. REMOVE 14'HP RISER. REMOVE 2'RISER. SIMOPS:BD PIT AND PUMP COMPLEX. 20.00 - 21:30 1.50 RIGD P POST NU DRY HOLE TREE AND THA. SLB TERMINATE I-WIRE. SIMOPS:PREP TO SCOPE DERRICK. CLEAR RIG FLOOR. REMOVE KELLY HOSE F/TOP DRIVE. DISC LINES AND INTERCONNECTS. B/D STEAM _ LINES. BRIDLE UP SCOPE LINES. 21:30 - 23:00 1.50 RIGD. P POST PT ADPATER FLANGE T 250 PSI F/5 MIN. PRESS TO 5000 PSI F/30 MIN. CHART. SIMOPS:SCOPE DERRICK UP WT:200K#,DN WT:145K#. B/D RIG H2O. -TEST TREE WITH DIESEL T/250 LOW F/5. 15000 PSI HIGH F/30 MIN. CHART SAME. SIMOPS:PIN TD AND BLOCKS IN MOVE POSITION. 23:00 - 00:00 1.00 RIGD P POST !CLEAN AND SECURE CELLAR. RIG RELEASED AT 23:59 HRS,08-27-2014 Printed 9/8/2014 12:37:18PM 1 28 �, I 27 7r ?` a o __ -Pi- i 1 loo ,i nes PROJECT 2611 ,-- I't 27m , 33 t, 1, i►t`_ I 34 y_ -•1 n■ Y PAD i''.1 j 37f - - �f10 21■ 10■ I 1 k. 25■ 220 tettts, i ',, 9■ 29U VICINITY MAP 23• N.T.S. 8 ID 1 30m 00M11111/. 7■ +. \E ...................] 32m 6. • s ; , 9m 33• r \ •• 00 5■ ` 610 •000a00.• 42.....'. 1•4:^P.- .01 EP 0 410 4• ■1B s.9' Richard F. Allison / ,� �� "'• 0608 34• ■17 � �,q'�•,•,_•_•• •• t • 35• t'�����'�`�ESSION4L;, •16 itinMO� Y-39+ ■38 SURVEYOR'S CERTIFICATE I HEREBY CERTIFY THAT I AM 1 •15 PROPERLY REGISTERED AND LICENSED • TO PRACTICE LAND SURVEYING IN THE STATE OF ALASKA AND THAT ■36 THIS AS-BUILT REPRESENTS A SURVEY •14 MADE BY ME OR UNDER MY DIRECT SUPERVISION AND THAT ALL DIMENSIONS AND OTHER DETAILS ARE CORRECT AS OF: JUNE 8, 2014. LEGEND: Y-PAD AS-BUILT CONDUCTOR NOTES: • EXISTING CONDUCTOR 1. GRID COORDINATES ARE NAD 27, ALASKA STATE PLANE, ZONE 4. 2. GEODETIC COORDINATES ARE NAD27. I 3. HORIZONTAL AND VERTICAL CONTROL ARE BASED ON BPXA Y PAD GRAPHIC SCALE MONUMENT Y-2. 0 150 300 600 4. ELEVATIONS ARE BP EXPLORATION MEAN SEA LEVEL DATUM. i 1 5. MEAN PAD SCALE FACTOR IS: 0.9999238. ( IN FEET ) 6. DATE OF SURVEY:JUNE 8, 2014. 1 inch = 300 ft. 7. REFERENCE FIELD BOOK: NS14-25 PGS. 12-14. LOCATED WITHIN PROTRACTED SEC. 34, T. 11 N., R. 13 E., UMIAT MERIDIAN, ALASKA WELL A.S.P. PLANT GEODETIC GEODETIC CELLAR SECTION NO. COORDINATES COORDINATES POSITION(DMS) POSITION(D.DD) BOX ELEV. OFFSETS Y=5,949046.54 N 2080.32 70'16'05.439" 70.2681775' 4,058' FSL Y-39 X= 645,496.99 E 999.24 148'49'24.235" 148.8233986' 48.6' 4,595' FEL DRANK: WOLF b �� p A. ROLLAWAY °AIE: 6/09/14 e ..4,4.: FR814 WOY 03 WOA Y PAD AS—BUILT CONDUCTOR SITYYT. JCB N0: ���: 00 8/09114 ISSUED FOR INFORMATIONAAH 1'=300' WELL Y-39 1 of 1 NO. 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W ei cC tp < X y a) 3 E -- z z EA- N d d L E a V n a Z N j O N N O I n > - N J Op d a0 fiil a) a) U m N fn O a)G a C o O m C C N W d' 2 N 2 CO O O G! ry "N a) N O Q Q o LL P co• r ; g _ .o a) E E o_ n a) o 'i a z H U o .� m O E N a) N F c 8 mm E co N O N N N t 0 N aa)) 0 0 0 D aa)) o t = 0 i F -) w CL i O Z $ z o a p O O) N Q M a } a7 N O d m -;-_->- N 71 D O. Z 3 L m a) E a d Om N t Z > a) YO O) U L I to (n 2' < N 0 .2m 0 J N y O 0 C ~ O d. O LL 12 O I 2 a 0 N a 3 1 0 U Q U > .L` .. O z o W Z Z Z o c c > TS Z F o E m mmcr M O -71 J C M 0 0 N r } z 0 R C 0 No O m OZ o U _J E m o m g 0 rn Z O >- uO Ja T) --g (3 O N Li C a Ci) a) N > 3 Z' ,' N J C d a O W Na Ta 2 Y O ~ 02 u_ C ' 3 7 O _ E0C ` O N a) d uC o• pO a) aQa d > y aWO d W O D COm C O W O L- H 0 0 D CO 0 m H 1 24o13 2.4Ct(0 cl WELL LOG TRANSMITTAL DATA LOGGED 9 W/2011 M K BENDER To: Alaska Oil and Gas Conservation Comm. September 4, 2014 Attn.: Makana Bender 333 West 7th Avenue, Suite 100 Anchorage, Alaska 99501 RECEIVED SEP 2 2 2014 RE: Circumfrential Acousitc Scanning Tool/Cement Bond Log: Y-39 Run Date: 7/23/2014 AOGCC 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 Y-39 Data in DLIS format, Digital Log Image files 1 CD Rom 50-029-23514-00 CAST Log 1 Color Log 50-029-23514-00 ACE Processed Log 1 Color Log 50-029-23514-00 PLEASE ACKNOWLEDGE RECEIPT BY SIGNING AND RETURNING A COPY OF THE TRANSMITTAL LETTER TO THE A'F1ENTION 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: c Z,Sl\41 Signed: PIP 2+-07-3 Ferguson, Victoria L (DOA) From: Leemhuis,Jacob <Jacobieemhuis@bp.com> Sent: Monday,July 21, 2014 10:05 AM To: Ferguson, Victoria L(DOA) Cc: Lastufka,Joseph N; Daniel, Ryan Subject: Y-39 P&A Plan - Permit to Drill#214073 Attachments: Y-39 proposed P&A.pdf Follow Up Flag: Follow up Flag Status: Completed Victoria, Below is a brief description of events that led to having to P&A the 7" casing in the 8-3/4" hole. We ran 7"casing down to 13,640' MD when we the string became"sticky". The decision was made to pick up until we had free pipe movement, up and down with free circulation,which was at 13,440' MD. We had a discussion and decided to pull the 7" out of the hole and run in with a 8-3/4"cleanout assembly. Upon trying to pull the 7"casing,we couldn't move up or down,a total of roughly 4'of pipe stretch. We pulled up to 525,000 lbs but had no success. Based off this,we decided it was necessary to P&A this section and re-drill the intermediate. We planned to pump 382 bbls of cement(182 bbls in rat hole below 7"shoe to open hole TD, 100 bbls in the 7"x8-3/4"annulus, and^'100 bbls in 7" casing). This will bring the top of cement to—10,815' MD(inside and outside of 7"casing—see attached schematic). Once we bump the plugs,we will pressure up and set our ECP(which is currently placed above CM2 and will isolate us from any breathing). We will then open our ES Cementer and circulate several bottoms up prior to closing the ES Cementer. Once we have the lower section P&A'd,we will rig up E-line and set a CIBP at 4,860' MD. We will then cut the casing at 4,850' MD and lay in a 50 bbls viscous pill. Once this is complete,we will lay in a 500' balanced cement plug,which should bring top of cement^'230'of cement into the 9-5/8"casing. This is what has been planned so far with a new directional being worked. Thanks, Jacob C. Leemhuis Drilling Engineer West End Rotary Office:(907)564-4989 Cell: (907)223-6792 Jacob.Leemhuis@bp.com 1 .1 39 ProposeR P &n .. 20"C onductor--80' b TOC (Balanced nig)at-4,368'M D 9-5/8"CSG,40#, L-80 BTC,ID = 8 835"-4,597'M D\ illhk y, /.-Top ofvscous piat4,800'M D JetCutCasngat-4,850'MD , .,/ CIBP setat4,860'MD / ECP at9,113MD g ..ii yTOC 10,815'MD, 2,625 &cement A 0 e 7"CSG,26#,L-8O VAM Top HC,D=6 276"-13,440"_A IL - 8 3/4"Ho1 15,173 DATE REV BY COMuU'TTS DATE REV BY COMMENTS PRU)HOE BAY UNIT WELL: R32MIT No: AR No: SEC NE'FN_'FWL BP Exploration(Alaska) 4--0 7-3 Ferguson, Victoria L (DOA) From: Lastufka, Joseph N <Joseph.Lastufka@bp.com> Sent: Monday, July 07, 2014 4:58 PM To: Ferguson, Victoria L(DOA) Cc: Jakabosky, Troy Subject: FW:Y-39 (PTD#214-073) Cement to Surface Follow Up Flag: Follow up Flag Status: Flagged Victoria, Please see below for additional information regarding the remedial cement job. Operations Summary From.To Hrs Phase Task Actritty Code NPT Operaticw :v Depth{usR) ;Iv) '''1 _ 01 00 1 CO SURF CASNG MU N CEMT PU AND MAKE UP TAM PORT COLLAR SHIFTING TOOL -MAKE UP TAM PORT COLLAR SHIFTING TOOL AND RIH WITH 5 STANDS OF 5`DP ON ELEVATORS TO 509" -PUW-51K.SOW-50K -MAKE UP 10'PUP JOINT.TrWY VALVE,CEMENT SWIVEL -T1H AND ENGAGE TAM PORT COLLAR AND SET DOWN 10K -PICK UP TO 64K TO CONFIRM LATCH PRESSURE UP TO 1000 PSI TO ENGAGE THE PACK OFF CUPS ON THE TOOL -DROP PRESSURE TO 300 PSI AND SET BACK DOWN TO NEUTRAL WT UNTIL PRESSURE FALLS OFF CONFIRMING TAM PORT COLLAR OPENING 01 00 _ 02.30 1 5i; SURF CASNG CSR N CEMT CIRCULATE'OUT9-5/8'X 12-1/4'(OH)ANNULUS -STAGE PUMPS UP TO 5 BPM.WITH 45 PSI -DISPLACE OUT CONTAMINATED MUD IN THE ANNULUS -SIGNS OF MUD PUSH AND SLIGHT SHOW OF CEMENT IN MUD PUSH -DISPLACE OUT 125 BBLS.UNTIL 9 5 PPG MUD INIOUT 0230 . 03'30 1 00 SURF CASNG • RU N CEMT RU CEMENT LINE AND PREPARE TO PUMP TOP JOB -CONTINUE TO CIRCULATE AT 1 BPM WITH 15 PSI TO KEEP THE CUPS ENGAGED ON THE TAM PORT COLLAR SHIFTING TOOL WAIT FOR MUD PUSH AND EXTRA CEMENT TO ARRIVE ON LOCATION -RECEIVE MUD PUSH AND START BATCHING. 03 30 _ 05 CO 150 SURF CAS NG CMT N CEMT PERFORM REMEDIAL TOP OUT CEMENT JOB THROUGH TAM PORT COLLAR AT 513' -PJSM FOR TOP OUT JOB. -PUMP 45 BBLS OF 10 0 PPG MUD PUSH AT 5 BPM, 10OPSI,7 BPM. 150 PSI -PUMP 150 BBL 11.0 PPG LITECRETE AT 5.0 BPM 223 PSI EXCESS VOLUME 350%AND YI£LDY1 91 FT3/SK -STARTED SEEING 100%CEMENT AT 130 BBLS PUMPED, PUMPED ADDITIONAL 20 BBLS 71712014 6 05 50AM Thanks! 1 MEMORANDUM State of Alaska Alaska Oil and Gas Conservation Commission TO: Jim Regg e�i -1(1`'(VI DATE: 7/6/2014 P. I. Supervisor FROM: Bob Noble SUBJECT: Surface Casing Top Job Petroleum Inspector Doyon Rig 25 BP Exploration (Alaska) Inc. PBU Y-39 PTD 2140730 7/6/2014 I received a call from Doyon 25 company representative Anthony Knowles telling me that they had not gotten cement to surface while pumping their surface casing cement job. I went to location and talked with Anthony about the status and plan forward. He told me that they that they had pumped 774 bbls of 11 ppg lead cement and 46 bbls of 15.8 ppg tail cement and they failed to get cement returns back to surface. The casing was run with an integral TAM collar which was being circulated through at the time of my arrival. They pumped 45 bbls of 10 ppg spacer, then pumped 140 bbls of 11 ppg cement we were getting good cement returns over the shaker. They pumped another 10 barrels after seeing good cement returns for a total of 150 bbls of cement for the top job. Attachments: none 2014-0706_Surf_csg_TopJob_PBU_Y-29_bn.docx Page 1 of—1 6� � 1//% �� ' I--IE STATE l: 2;-' .2u , .._ 2;s 7F;� / \, - -_- _ --- -- 333 Wesi Se tenth Avenue C)O\''ii:Noi: s1..1\' ;'ARNi 11, Anchorage, Alry,ka r9 01°5 Ken Allen Engineering Team Leader BP Exploration (Alaska), Inc. P.O. Box 196612 Anchorage, AK 99519-6612 Re: Prudhoe Bay Field, Prudhoe Bay Oil Pool, PBU Y-39 BP Exploration (Alaska), Inc. Permit No: 214-073 Surface Location: 4058' FSL, 4595' FEL, SEC. 34, T11N, R13E, UM Bottomhole Location: 4786' FNL, 2011' FEL, SEC. 10, T1ON, R13E, UM Dear Mr. Allen: 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 1 AOGCC reserves the right to withdraw the permit in the event it was erroneously issued. Operations must be conducted in accordance with AS 31.05 and Title 20, Chapter 25 of the Alaska Administrative Code unless the AOGCC specifically authorizes a variance. Failure to comply with an applicable provision of AS 31.05, Title 20, Chapter 25 of the Alaska Administrative Code, or a AOGCC order, or the terms and conditions of this permit may result in the revocation or suspension of the permit. Sincerely, /6;lit-a1,-- 1 Cathy P. oerster Chair DATED thisday of June, 2014. STATE OF ALASKA t"" 4, '"`1 .'i 'y"` F .)IL AND GAS CONSERVATION CO N j,-,' s 21311 ' PERMIT TO DRILL 20 AAC 25.005 .\( 411; ic 1 a.Type of work: 1 b.Proposed Well Class' ® Development Oil 0 Service-Winj IS Single Zone • 1 c.Specify if well is proposed for: ®Drill ' 0 Lateral 0 Stratigraphic Test 0 Development Gas 0 Service-Supply 0 Multiple Zone 0 Coalbed Gas 0 Gas Hydrates 0 Redrill 0 Reentry 0 Exploratory 0 Service-WAG 0 Service-Disp 0 Geothermal 0 Shale Gas 2.Operator Name: 5 Bond ®Blanket 0 Single Well 11.Well Name and Number: BP Exploration(Alaska) Inc. Bond No 6194193 • PBU Y-39 • 3. Address 6 Proposed Depth: 12.Field/Pool(s) P.O. Box 196612,Anchorage,Alaska 99519-6612 MD 21465' • TVD 8896' Prudhoe Bay/Prudhoe Bay - 4a.Location of Well(Governmental Section): 7. Property Designation Lease Number): Surface: ADL 028287&047471 4058' FSL,4595' FEL, Sec. 34,T11 N, R13E, UM Top of Productive Horizon: 8.Land Use Permit: 13.Approximate Spud Date: 2021' FNL, 1514' FEL, Sec.09,T1ON, R13E, UM July 1,2014 Total Depth 9.Acres in Property: 14.Distance to Nearest Property: 4786' FNL,2011'FEL, Sec. 10,T1ON, R13E, UM 2560 5800' 4b. Location of Well(State Base Plane Coordinates-NAD 27): 10.KB Elevation above MSL: 95.95' • feet 15.Distance to Nearest Well Open Surface: x 645497 y-5949047 Zone- ASP4 GL Elevation above MSL: 49' • feet to Same Pool: 2340' 16.Deviated Wells: Kickoff Depth: 300' • feet 17.Maximum Anticipated Pressures in psig(see 20 AAC 25.035) Maximum Hole Angle. 110 degrees Downhole: 3431 ' Surface: 2552 ' 18. Casing Program Specifications Top-Setting Depth-Bottom Quantity of Cement,c.f.or sacks Hole Casing Weight Grade Coupling Length MD ND MD ND (including stage data) 20" 215# A-53 80' Surface Surface 80' 80' 260 sx Arctic Set(Approx.) 1 12-1/4" 9-5/8" 40# L-80 BTC 4897' Surface Surface 4897' 3246' 2311 sx DeepCrete, 218 sx Class'G' 8-3/4" 7" 26# L-80 VamTop 15110' Surface Surface 15110" 8895' 83 sx LiteCrete, 158 sx Class'G' 6-1/8" 4-1/2" 12.6# 13Cr80 VamTop 6555' 14910' 8715' 21465" 8896' 749 sx Class'G' 19. PRESENT WELL CONDITION SUMMARY(To be completed for Redrill and Re-entry Operations) 1 Total Depth MD(ft): Total Depth ND(ft). Plugs(measured): Effective Depth MD(ft): Effective Depth ND(ft): Junk(measured) Casing Length Size Cement Volume MD ND Conductor/Structural Surface Intermediate Production Liner Perforation Depth MD(ft): Perforation Depth ND(ft). 20.Attachments: 0 Property Plat ®BOP Sketch ®Drilling Program ❑Time vs Depth Plot 0 Shallow Hazard Analysis ®Diverter Sketch 0 Seabed Report ®Drilling Fluid Program IS 20 AAC 25.050 Requirements 21 Verbal Approval: Commission Representative. Date 22 I hereby certify that the foregoing is true and correct. Contact Troy Jakabosky,564-4868 Printed Name Ken Allen Title Engineering Team Leader Email Troy.Jakabosky@bp.com Signature /C Phone 564-4366 Date jA_i.//y Commission Use Only Permit To Drill , [ "--).-7 API Number: Permit Approval Dale: I See cover letter for Number. .i—/`/' /' 50-625-1 23574 c -lee ((f)t,"t I vi 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 11 contained shales: Other: 8 d Pe S f ,t_a 35 O o Samples Req'd. Dyes No Mud LogReq'd. ❑ es No �5 � HZS Measures: Yes ❑ o Directional Survey Req'd: LTJ Yes 0 No F/c tn., pa 611 le Lv I 1,,r-"(71 C/L' ' cl r�'l l n q f ��%5 t { G o p pacing exception req'd. 0 Yesd No inclination-only svy Req'd: 0 Yes No Pe ' ✓,ZoAAtC25-. D33 ()) . APPROVED BY APPROVED B I SI N R THE COMMISSION Date G--i5-l . Form 10-401 Revised 10/ 12 This i rfrom the date of approval(20 AAC 25.095(g)) Submit Form and achments In Duplicate vt-,L' (/Ie/(4- LLL..���. ,,�C� 9ny 57 Z7/1 x To: Alaska Oil & Gas Conservation Commission From: Troy Jakabosky, ODE Date: May 20, 2014 Re: Y-39 Permit to Drill The Y-39 well is scheduled to be drilled by Doyon 25 July 1, 2014. The grassroots well is a horizontal producer targeting the Ivishak Zone 4. The planned well has three hole sections utilizing the ultra slim hole - design. Intermediate casing will top set the Sag River formation and the production interval will be completed with a cemented liner and perforated. The maximum anticipated surface pressure from the Ivishak/Sag with a full column of gas from TD to surface is —2552 psi (assumes 7.5 ppg as max pore pressure). This well will be drilled by Doyon 25 using their 5000 psi four preventer BOP stack (3 rams and an annular). The BOP rams and annular will be tested to 3500 psi. A detailed operations summary is included with the permit application. Below is a brief summary of planned drilling operations: 1. Move in Doyon 25 and function test diverter. 2. Drill 12-1/4" surface hole to 4897 ft MD. • 3. Run 9-5/8" surface casing and cement to surface. 4. Nipple up BOPE and test to 3,500 psi. 5. Pressure test surface casing to 3,500 psi. Drill out the shoe and perform LOT. 6. Drill 8-3/4" intermediate hole to top of the Sag River at 15,110 ft MD. 7. Run 7" casing and cement to —1200 ft TVD above TSGR (TOC at—13510 ft MD). Pressure test casing to 3,500 psi. 8. Drill out of intermediate shoe and perform FIT. 9. Drill 6-1/8" horizontal production hole through Zone 4 of the Ivishak to TD at —21,465 ft MD. 10. Run and cement a 4-1/2",solid, chrome, production liner 11. Pressure test liner top packer to 3500 psi 12. Perforate 4-1/2 Liner. 13. Run 4-1/2" chrome completion tubing. Sting into liner tieback sleeve and set production packer. 14. Pressure test the tubing and the inner annulus to 3500 psi each. 15. Rig down and move off the well. In addition to a planned well summary, a proposed completion diagram, directional plan, planned diverter layout, wellhead, and tree diagrams are attached to the permit application. If there are any questions concerning information, please do not hesitate to use the contact information below. Troy Jakabosky Office: 907-564-4868 Cell: 907-632-2609 Email: troy.jakabosky@bp.com Y-39 PTD Page 1 5/20/2014 Planned Well Summary Well Y-39 Well Oil Producer Target Ivishak Type Objective Current Status Grass Roots Well Estimated Start Date: 7/1/2014 Time to Complete: 53 Days Surface Northing Easting Offsets TRS Location 5949047.34 645497.25 1221' FNL /4595' FEL 11N 13E sec 34 Northing Easting TVDss Offsets TRS Tgt 1 5937746 643539 -8805' 1924' FNL / 1514' FEL 10N 13E sec 9 TSGR TSAD 5937650 643541 -8913 2021' FNL / 1514' FEL 10N 13E sec 9 BHL 5934977 648382 -8800' 4786' FNL / 2011' FEL 10N 13E sec 10 Planned KOP: 300' MD/204' TVDss Planned TD: 21465' MD/8800' TVDss Rig: Doyon 25 BF-RT: 47.1' RTE (ref MSL): 95.95 Directional — Schlumberger PO4 KOP: 300' MD Maximum Hole Angle: -60° in the 8-3/4" intermediate section -110° in the 6-1/8" production section Close Approach Wells: No close approach wells Survey Program: Surface to-500 ft MD = GYD-GC-SS (single shot gyro) -500 ft MD to TD = MWD+IFR+MS Nearest Property Line: 5800 ft Nearest Well within Pool: -2340' -from Y-09AL-01 Y-39 PTD Page 2 5/20/2014 • Formation Tops & Pore Pressure Estimate (SOR) Depth Most Likely Pore (4" ` Formation Estimated Formation Uncertainty Fluid Type Pressure cif t 4e Top(TVDss) (+/-TVD ft) (for sand) (EMW ppg) 4 ) SV4 2357 ✓ 30 water 8.45 SV3 2890 30 water 8.45 y�y �/ SV2 3103 30 water 8.45 .4rte SV1 3460 30 water 8.45 q,S' UG4 3981 30 water 8.45 UG3 4290 / 50 water 9.20 UG1 4761 50 water 9.20 WS2 5383 , 50 water 8.70 7 WS1 5584 50 water 8.70 9 /CM3 5774 50 water 8.70 `. CM2 6284 / 50 water 9.00 /6,Z CM1 7079 75 water 9.60 /6..3 THRZ 7437 75 water 9.60 /p.7 LCU 7671 - 75 water 9.70 TJF 8011 50 water 9.70 TJE 8095 50 water 9.70 TJD 8426 50 water 9.70 TJB 8640 75 water 9.70 2 TJA 8719 75 water 9.70 /6.f3) TSGR 8799 50 oil/water 7.50 g.s- TSHU 8826 50 oil/water 7.50 TSAD 8,913 50 oil/water 7.50 BSAD 9,530 50 oil/water 7.50 g b[. Casing/Tubing Program --z7./y� Hole Liner/ Wt/Ft Grade Conn Burst Collapse Length Top Bottom Size . Tbg O.D. (psi) (psi) MD/TVDss MD/TVDss - 20" 215 A-53 - 4930 2980 80' Surface 80'/31' 12-1/4" 9-5/8" 40# L-80 BTC 5750 3090 4897' Surface 4897'/3150' 8-3/4" . 7" 26# . L-80 VamTop 7,240 5,410 15110' Surface 15,110'/8800' 6-1/8" 41/2" 12.6# 13Cr-80 VamTop 8,430 7,500 6355' 14,910'/8800' 21,465'/8800' (-150' lap) 14915'/8639' Tubing 4 '/" 12.6# 13Cr-80 VamTop 8,430 7,500 14915' Surface (-5' into liner TBS) Mud Program Surface Hole Mud Properties: Drillplex 12-1/4" Hole Section Depth Interval Density LSYP YP z API FL Chlorides pH ppg 2x3-6 rpm Ib/100 ftml/30min mg/1 0'-500' 8.5-9.2 30-50 50-80 <15 <1000 10.8 500' - Base Perm 8.8-9.2 _ 30-50 50-80 <15 <1000 10.8 Base Perm-Section TD 9.1 -9.4 25-45 40-60 <15 <1000 10.8 Intermediate Mud Properties: LSND 8-3/4" hole section Y-39 PTD Page 3 5/20/2014 Depth Interval Density PV YP API FL HTHP FL MBT pH (PPM 4897'-11063' MD To -200' MDAbove 9.5 -9.7 - 10- 18 18-26 <8 NC <18 9 - 10 CM2 11063'-13240' MD To 200' MD Above 10.2 - 10.3 10- 18 18-26 <8 NC <18 9 - 10 HRZ 13240'- Section TD 10.7 - 10.8 ` 10— 18 18—26 <4 <10 <20 9 - 10 Production Mud Properties: Water Based Polymer Fluid (FloPro Or PowerPro) 6-1/8" hole section Low Shear Depth Interval Density PV YP (cp) (Ib/OOft2) API FL Rate MBT pH (PlogViscosity 15110'-TD 8.5 -8.8 , <12 10 -20 <10 >15000 <4 8 -9.5 Logging Program 12-1/4"Surface: Sample Catchers - not required for surface hole Drilling: Dir/GR/Res Open Hole: None Cased Hole: None 8-3/4" Intermediate: Sample Catchers—as required by Geology Drilling: Dir/GR/Res/PWD Open Hole: None Cased Hole: None 6-1/8" Production: Sample Catchers—as required by Geology Drilling: Dir/GR/Res/Neu/Den/Sonic Open Hole: None Cased Hole: None Cement Program Casing Size 9-5/8" 40#, L-80 Surface Casing Lead: Open hole volume + 350% excess through permafrost and 40% excess below permafrost. Basis: Port collar used if hole conditions dictate Lead TOC: Surface Tail: Open hole volume + 40% excess + 80 ft shoe track Tail TOC: 500 ft MD above casing shoe Total Cement Lead 761.5 bbls, 4275 cuft, 2311 sks of 11.0 ppg DeepCRETE, Yield: 1.85 ft3/sk Volume: Tail 45.1 bbls, 253 cuft, 218 sks of 15.8 ppg Class G, Yield: 1.16 ft3/sk Casing Size 7" 26#, L-80 Intermediate Casing Basis: Lead: Open hole volume + 40% excess Lead TOC: 1200 ft TVD above TSGR Tail: Open hole volume + 40% excess + 80 ft shoe track Tail TOC: 800 ft MD above casing shoe Total Cement Lead 26.2 bbls, 147 cuft, 83 sks of 11.5 ppg LiteCRETE, Yield: 1.77 ft3/sk Volume: Tail 33 bbls, 185 cuft, 158 sks of 15.8 ppg Class G, Yield: 1.17 ft3/sk Y-39 PTD Page 4 5/20/2014 Casing Size 4.5" 12.6#, 13Cr-80 Production Liner Total Cement Tail 156 bbls, 876 cuft, 749 sks of 15.8 ppg Class G, Yield: 1.17 ft3/sk Volume: Surface and Anti-Collision Issues Surface Shut-in Wells: All wells pass Major Risk anti-collision scans. Hydrogen Sulfide Y-Pad is considered an H2S site. Recent H2S data from the pad is as follows: Well Name H2S Level Date of Reading #1 Closest SHL Well H2S Level Y-02A 20 ppm 7/15/2005 #2 Closest SHL Well H2S Level Y-35 20 ppm 1/15/2014 #1 Closest BHL Well H2S Level Y-09 16 ppm 1/9/2012 #2 Closest BHL Well H2S Level Y-29A 32 ppm 1/11/2013 Max. Recorded H2S on Pad/Facility Y-33 350 ppm 2/23/2011 Faults Formation Fault MD TVDss Throw Est. Throw Uncertainty Encountered Intersect Intersect Direction Fault#1 -TJD 14,844 8,596 40 ft. South +/-200' M.D. Fault#2—TSAD/Ivishak 19,478 8,960 10 ft. West +/-200' M.D. Fault#3 -TSAD/Ivishak 20,320 8,955 10 ft. East +/-200' M.D. 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. Y-39 PTD Page 5 5/20/2014 Well Control The 12-1/4" surface hole will be drilled with a diverter. The 8-3/4" intermediate and 6-1/8" production hole will be drilled with well control equipment consisting of 5,000 psi working pressure pipe rams (2), blind/shear rams, and annular preventer capable of handling the maximum potential surface pressures. Based upon calculations below, BOP equipment will be tested to 3500 psi. BOP test frequency will be 14 days with function test every 7 days. Except in the event of a significant operational issues that may effect well integrity or pose safety concerns, an extension to the 14 day BOP test period should not be requested. Intermediate Interval Maximum anticipated BHP 3431 psi at the TSGR 8799' TVDss (7.5 ppg EMW) Maximum surface pressure 2552, psi (.10 psi/ft gas gradient to surface) from TSGR at 8799' TVDss v' (7.5 ppg EMW) 25.7 bbls with 12.7 ppg frac gradient Kick tolerance Assumes 7.5 ppg pore pressure in the Sag + 0.5 ppg kick intensity and 10.7 ppg MW. Planned BOP test pressure Rams test to 3500 psi/250 psi. Annular test to 3500 psi/250 psi 7" Casing 3500 psi surface pressure Integrity Test—8-3/4" hole LOT after drilling 20'-50' of new hole 7" Casing The VBRs will be changed to 7" rams to accommodate the 7" casing string. Production Interval ✓ Maximum anticipated BHP 3431 psi @ TSGR at 8799' TVDss (7.5 ppg EMW) Maximum surface pressure 2552 psi (.10 psi/ft gas gradient to surface) Infinite with >9.2 ppg frac gradient Kick tolerance Assumes an 7.5 ppg max pore pressure in the Sag/Ivishak+ 0.5 ppg kick intensity and 8.6 ppg MW. Planned BOP test pressure Rams test to 3500 psi/250 psi. Annular test to 3500 psi/250 psi Integrity Test—6-1/8" hole FIT after drilling 20'-50' of new hole, target 12.05 ppg FIT 4-1/2" Liner TopPacker 3500psi surface pressure Planned completion fluids 8.5 ppg seawater/6.8 ppg Diesel Variance Request To avoid the risk of plugging the flow line with large rocks and wood encountered while drilling surface hole, it is requested to drill without a flow paddle for the first portion of the surface hole. After drilling past the larger rocks and wood sections, the flow paddle will be put back in the flow line (<1000 ft). Procedures/Safeguards with paddle removed: • Fluid levels will be monitored in the pits for both gains and losses while drilling. Alarms will be set to indicate if gain or loss of more than 5 bbls has occurred. • The well will be monitored for flow when the pumps are off at each connection. • The planned 8.5 - 9.4 ppg fluid will provide over balance to formation fluid. Y-39 PTD Page 6 5/20/2014 Y-39 General Operational Summary Pre-Riq Work: 1. Install 20" conductor. Weld an FMC landing ring for a Gen 5 well head. 2. If necessary, level the pad and prepare location for rig move. 3. Remove well houses as necessary. Rig Operations: 1. MIRU Doyon 25. Nipple up diverter spool and function test diverter. 2. Prepare pits with Drilplex Mud and PU DP as required and stand back in derrick. 3. MU 12-W drilling assembly with MWD/GR/Res and directionally drill surface hole to Base Permafrost. Gyro survey until magnetic interference clears up. CBU and short trip to surface. Change bit and dial up/down motor bend as required. 4. RIH and continue drilling 12-W surface hole to section TD at -4897' MD in SV1 shale -40' TVD above UG4. CBU until hole is clean. POOH on elevators (if beackreaming is required, RIH until able to POOH on elevators). Lay down BHA. 5. Run and fully cement 9-%" 40# BTC casing to surface, displacing cement with drilling fluid. A TAM port collar may be run at 500' as a contingency. 6. ND diverter and NU casing head and spacer spool. NU BOPE (Configured from top to bottom: annular preventor, 2-W x 5W VBR, blind/shear, mud cross, 2-V8" x SW VBR). Test BOPE to 250 psi low, 3500psi high. Give the AOGCC 24 hrs notice prior to testing. 7. Pressure test 9-%" surface casing and wellhead to 250 psi low/ 3500 psi high for 5 minutes low/ 30 minutes high (This will test casing, wellhead, and OA valves). 8. Make up 8'/" drilling BHA with RSS and MWD/GR/RES/PWD and RIH to float collar, picking up drillpipe as required to TD intermediate interval. 9. Drill out shoe track and displace well to LSND drilling fluid. Drill 20' of new formation and perform LOT. Minimum requirement for leakoff is 12.7ppg EMW. 10. Drill ahead to +/-200' and above the CM2, weight up mud to 10.2 ppg. 11. Ensure mud weight of 10.2 ppg prior to drilling ahead. Continue drilling to +/- 500' MD above the HRZ, weight up to 10.7ppg if not already there. 12. Continue drilling to TD at the Top SAG. At TD, CBU, and condition hole as necessary to run 7" casing. POOH. 13. Change out upper rams to 7" fixed rams. Test with 7" test joint to 250 psi low, 3,500 psi high for 5 minutes each. RU and run 7" 26# L-80 Vam Top HC casing to TD. Cement the 7" casing to 1500' MD cement. After bumping the plug on the cement job, pressure test the 7" casing to 3,500 psi for 30 charted minutes. 14. Install 7" packoff and test void to 250 psi low/5,000 psi high. 15. Freeze-protect the 9-%" x 7" annulus, once the lead cement has reached 500 psi compressive strength. Confirm that the OA is open immediately and before freeze protecting. 16. PU 6-W drilling BHA build assembly and RIH to the float collar. 17. Displace the well to 8.5 -8.6 ppg Power-Pro SF fluid. 18. Drill out shoe and 20' of new formation and perform the planned FIT to 12.05ppg EMW (9.2ppg EMW provides infinite kick tolerance). Drill ahead, per directional proposal and rig site geologist to landing point. 19. CBU and trip to surface. PU 6-W lateral assembly with GR/Res/Den/Neut/Sonicscope and RIH to TD. MAD Pass as needed once at TD. 20. Drill ahead in lateral section per rig site geologist to TD. 21. Circulate bottoms-up, short trip, circulate and condition hole for liner run. POOH. 22. MU and run 4-W 12.6# 13CR liner to TD. Cement 4-1/2 Liner. 23. Set liner top packer and test liner top packer to 250 psi low/3500 psi high for 5 minutes low/30 minutes high. displace well to clean seawater above the liner top. 24. POOH, L/D drillpipe and the liner running tool. Y-39 PTD Page 7 5/20/2014 25. Perforate. 26. R/U and run a 4-W, 12.6#, 13Cr, VamTop tubing completion with GLMs, downhole gauge and iWire. Space out and land the tubing with tubing tail inserted into the liner tieback sleeve. 27. Make up tubing hanger per FMC Rep. Land the tubing hanger, and run in lock down screws. 28. Reverse circulate brine and corrosion inhibitor into the tubing x casing annulus. 29. Drop ball/rod and set packer and individually test the tubing to 250 psi low/3500 psi high for 5 minutes low/30 minutes high. Bleed tubing pressure to 1500 psi and test annulus to 250 psi low/ 3500 psi high for 5 minutes low/30 minutes high. Record each test. 30. Hold pressure on the IA and bleed tubing pressure to zero, shearing the DCK shear valve. Pump both ways to confirm circulation ability. 31. With landing joint still rigged up, reverse circulate diesel freeze protect using rig injection pump. 32. Allow diesel to U-tube, drain stack, and rig down landing joint. Monitor well for 1 hour to confirm well is dead. 33. Install a TWC with dry rod. Test from below at 250 psi low/ 3500 psi high. Test from above at 250 psi low/3500 psi high. 34. Nipple down BOPE. Nipple up adaptor flange and double master valves and test to 250 psi low / 5000 psi high for 5 minutes low/ 5 minutes high. Test with diesel. a. Ensure Heet is left on TWC and only diesel (no water) is left in tree. 35. Install all annuls valves and secure the well. Ensure T/IA/OA all have two barriers in place. 36. Secure the well. RDMO. Post-Rig Work: 1. Pull BPV 2. MIRU slickline. Pull the ball and rod / RHC plug. 3. Install Gas lift valves. 4. MIRU ASRC test separator. Flow back well per NWD program. 5. Contingent perforate and acidize. 6. Install well-house, instrumentation and flowline. Y-39 PTD Page 8 5/20/2014 Y-39 Drilling Critical Issues POST THIS NOTICE IN THE DOGHOUSE I. Well Control / Reservoir Pressures: A. Surface Hole: No overpressure is expected in the surface hole and hydrates have been a minimal concern in this area of the pad.. B. Intermediate Hole: Expect overpressure in the Colville starting at—6284 ft TVDss. The overpressure is expected to increase to 9.6 ppg. Mud weight must be increased according to the well program to maintain overbalance throughout the intermediate section. C. Production Hole: The highest anticipated pore pressure in the production hole will be encountered in the Sag River at 7.5ppg. The interval will be drilled with a minimum of 8.5 ppg drilling fluid to provide adequate trip margin. Higher pore pressures may exist in the Shublik, but this is a non permeable formation and is not considered a risk for flow. II. Lost Circulation/Breathing A. Surface Hole: Lost circulation is considered a minimal risk if mud properties remain in specification. B. Intermediate Hole: Lost circulation is a possibility due to 1 fault. Breathing is also common in the Colville. The wellbore has been designed with a maximum mud weight of 10.7 ppg for over balance and wellbore stability. 10.7 ppg has historically been considered low enough to help prevent losses and breathing, however, ECD must be carefully managed to further reduce the risk. C. Production Hole: Two fault crossings are planned in the production hole. Lost circulation risk is considered low to moderate. Ill. Kick Tolerance/Integrity Testing A. With the planned mud weights, the kick tolerance for the intermediate section is 25 bbls with a 12.7ppg leak-off, and the production section is infinite with a 9.2 ppg leak-off. If planned LOT/FIT values are not achieved, do not drill ahead without risk assessment and proper authorization. All kick tolerances are calculated based on a 0.5 ppg kick intensity over likely pore pressure. IV. Integrity Testing Test Point Test Depth Test type EMW(Ib/gal) 9-%"Shoe 20'-50'from the 9-5/8"Shoe LOT 12.7 ppg minimum(25 bbls) 13.8 ppg target(50 bbls) 7"shoe 20'-50'from the 7"shoe FIT 9.2 ppg minimum(infinite) 12.05 ppg target(infinite) V. Hydrogen Sulfide A. Y-Pad is considered an H2S site, refer to the ADW "Hydrogen Sulfide" SOP for the appropriate operational guidelines. The max recorded H2S readings on the pad were 350 ppm in Y-33 February 2011. Y-02A recorded 20 ppm 07/15/2005 and Y-35 recorded 20 ppm 1/15/2014 (closest wells at surface). VI. Faults Throw Formation Fault Encountered Inter ectt Intersect Est.Throw Direction Uncertainty Fault#1 -TJD 14,844 8,596 40 ft. South +/-200'M.D. Fault#2—TSAD/Ivishak 19,478 8,960 10 ft. West +/-200'M.D. Fault#3-TSAD/Ivishak 20,320 8,955 10 ft. East +/-200'M.D. VII. Anti-Collision Issues A. The Y-39 planned well path passes all major risk anti-collision. CONSULT THE Y-PAD DATA SHEET AND THE WELL PLAN FOR ADDITIONAL INFORMATION. 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TTSZ a o 0 0 O 0 O O - C) 0 O o 0 O O ` O 10 O 8- O 0 m co Vco W o 1(11)008. =ejE0S(11)0/�l t dI a a g g m c� by 0 Schimberg', Borehole: Well: Field: Structure: Y-39(P4) Plan Y-39 Prudhoe Bay Unit-WOA Y-PAD Gravity&Magnetic Parameters Surface Location NAD27 Alaska State Plane,Zone 04,US Feet Miscellaneous Model: BGGM 2013 Dip:80.967° Date: 01-Aug-2014 Lat: N 7016 5.45 Northing: 5949047.4RUS Grid Cony: 1.1075° Slot: Plan Y-39 TVD Rei: Rotary Ta8le(95.951t above MSL) MagDec:19.616° FS: 57619.507nT Gravity FS: 1001.957mgn(9.80665 Based) Lon: W 148 49 24.24 Eastlng: 645497RUS Scale Fact: 0.99992405 Plan:Y-39(P4) -4500 -3000 -1500 0 1500 3000 4500 6000 RTE 0MD 0 0 C1/100 Cry 300 MD Cry 2.25/100 500 MD Coy 35/100 ]00 MD End Coy -1500 2243 MD -1500 -3000 -3000 95'8- 4899 MD -4500 -4500 -6000 -6000 0 0 00 d c�-7500 -7500 1n CO Z -9000 -9000 Cry 35/100 12854 MD End Cry 138224 MD -10500 Fault LID -10500 14883 MD Tgt1 TOAD 15124 MD `h1r T Dig -39 Fltt LID 1511860 jt F�FaTsnO Cry 10.5/100 Coy 10/100 15144 MD 15902 MD .' End Cry -12000 c�1 .��./, 1W33MD -12000 15294 .� Cry 5/100 90. 8151 MD EM Cry/Tgt2 15588 MD 18688 MD Cry 3/100 To 4 End Cry 19895 MD 19981 MD 15737 MD End Cry Cry 2.5/100 7.39 Fat T5 7-39F]TSMU .TSHJ 2W15 M0 20540Mp T91 20581 MD -13500 -.. � V-_ STSMJ EMCry -13500 Cay 8/100 • '-`�`-%\` z1206 MD 17288 MD Cry 31100 EM Cry 182]5 MO End Cay 18531 MD V-4 Ftt.TOAD "11111114*. 1]883 MD 18.5 MD t94]788 MD D Fa.3 -15000 v 37S11U 20320 MD 2148816 Y-39(P4) -15000 -4500 -3000 -1500 0 1500 3000 4500 6000 EW(ft)Scale=1:800(ft) BP Anticollision Report Company: North America-ALASKA-BP Local Co-ordinate Reference: Well Plan Y-39 Project: Prudhoe Bay TVD Reference: Y-39 plan @ 95.95usft(P273) Reference Site: PB Y Pad MD Reference: Y-39 plan @ 95.95usft(P273) Site Error: 0.O0usft North Reference: True Reference Well: Plan Y-39 Survey Calculation Method: Minimum Curvature Well Error: 0.00usft Output errors are at 1.00 sigma Reference Wellbore Plan Y-39 Database: EDM R5K-Alaska PROD-ANCP1 Reference Design: Plan#4 Y-39 current Offset TVD Reference: Offset Datum Reference Plan#4 Y-39 current Filter type: GLOBAL FILTER APPLIED:All wellpaths within 200'+100/1000 of reference Interpolation Method: MD Interval 5.00usft Error Model: ISCWSA Depth Range: Unlimited Scan Method: Tray.Cylinder North Results Limited by: Maximum center-center distance of 2,341.87usft Error Surface: Elliptical Conic Survey Tool Program Date 5/20/2014 From To (usft) (usft) Survey(Wellbore) Tool Name Description 46.95 900.00 Plan#4 Y-39 current(Plan Y-39) GYD-GC-SS Gyrodata gyro single shots 900.00 2,400.00 Plan#4 Y-39 current(Plan Y-39) MWD MWD-Standard 900.00 4,890.00 Plan#4 Y-39 current(Plan Y-39) MWD+IFR+MS MWD+IFR+Multi Station 4,890.00 6,400.00 Plan#4 Y-39 current(Plan Y-39) MWD MWD-Standard 4,890.00 15,110.00 Plan#4 Y-39 current(Plan Y-39) MWD+IFR+MS MWD+IFR+Multi Station 15,110.00 16,500.00 Plan#4 Y-39 current(Plan Y-39) MWD MWD-Standard 15,110.00 21,465.67 Plan#4 Y-39 current(Plan Y-39) MWD+IFR+MS MWD+IFR+Multi Station 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) PBYPad Y-01-Y-01-Y-01 489.82 470.00 82.40 9.39 73.02 Pass-Major Risk Y-01-Y-01 A-Y-01 A 489.82 470.00 82.40 9.39 73.02 Pass-Major Risk Y-01-Y-01 B-Y-01 B 489.82 470.00 82.40 9.10 73.30 Pass-Major Risk Y-01-Y-01 C-Plan 1 489.82 470.00 82.40 9.39 73.02 Pass-Major Risk Y-02-Y-02-Y-02 719.54 705.00 24.11 12.43 11.68 Pass-Major Risk Y-02-Y-02A-Y-02A 719.54 705.00 24.11 12.15 11.96 Pass-Major Risk Y-02-Y-O2APB1-Y-02APB1 719.54 705.00 24.11 12.43 11.68 Pass-Major Risk Y-03-Y-03-Y-03 973.84 955.00 122.99 16.96 106.03 Pass-Major Risk Y-03-Y-03A-Y-03A 970.55 950.00 122.94 16.80 106.14 Pass-Major Risk Y-04-Y-04-Y-04 1,127.76 1,105.00 215.58 20.49 195.09 Pass-Major Risk Y-05-Y-05-Y-05 1,255.48 1,225.00 325.68 23.96 301.72 Pass-Major Risk Y-05-Y-05A-Y-05A 1,253.65 1,230.00 325.63 23.91 301.72 Pass-Major Risk Y-05-Y-05B-Y-05B 1,253.65 1,230.00 325.63 23.76 301.88 Pass-Major Risk Y-05-Y-05BPB1-Y-05BPB1 1,253.65 1,230.00 325.63 23.91 301.72 Pass-Major Risk Y-28-Y-28-Y-28 1,187.54 1,165.00 297.68 21.46 276.23 Pass-Major Risk Y-34-Y-34-Y-34 1,008.44 995.00 161.01 16.51 144.50 Pass-Major Risk Y-34-Y-34A-Y-34A 1,008.44 995.00 161.01 16.46 144.54 Pass-Major Risk Y-35-Y-35-Y-35 895.13 885.00 94.58 15.18 79.40 Pass-Major Risk Y-35-Y-35A-Y-35A 893.90 875.00 94.55 15.15 79.40 Pass-Major Risk 5/20/2014 10:52:42AM Page 2 of 3 COMPASS 5000.1 Build 61 • • - f) —CU - O . U) M - U) _n N I _ i -- O 1 NJ _N O C1] C - U) _ ,_^ 0) - O O a) _- C __ —N CO CO - c) _ - O Q - a) 0 - u7 13 t0 , U) 03 N O Co, / N —N N i I I 1 _ 7 - 0 h. a) C Q) _ 3 o U - or) 1 - coco m'a(A CA _ N ct co C') m _ } ccc t7 N a a��� - .-0= a) c - o a_�� D0 Lo = r -- to �� • - I I I I I I I I I I I 1 1 1 1 I I I I I I I I I 1 I r1-1711 11 I I I Fri-11 I I 1'f-' - o 0 U) 0 U) 0 fir) 0 U) 0 Lr) o fir) o to O n CO CO U) U) a a M c7 N N (ul/sn pi.) uoileJedag ague°of aaluao • Project: Prudhoe Bay • Site: PB Y Pad Well: Plan Y-39 Wellbore: Plan Y-39 Design: Plan #4 Y-39 current From Surface to TD Scan interal 25 ft From Colour To MD Scale 1 inch : 50ft All wells pass the major risk 47 500 See AC summary report for detailes m 500 700 et It 700 900 ory ��T 0 tick 900 1100 _ 1100 - 1300 o or ;epi 4, r "pima 1300 500 :,,_ I'r•r?s. giar�� 1500 21500 330,On-.� .".1 WAri ,kiiMell 30 �c 011714% 4r a�, _ j2p� 1 112;)f eig� f- . %���25 _'�� �• :. r� i %.1191 .� P �_-- " - �� `� -400, 1•s -.. 1184 ---i,� % !i► ref '. ,A9 A tiFil 'i20 Wr ^-V 1 ���� ® �0�/117 ..:1001111410 �� r��1:►' yl.'.441.-1411/1104 II I' . frr►fr Imo4fi' /55 300 ,lfM t►-, 4e:° "01p0=l$1im111/u1-wKVIPaW 'PO0,-'4i1101p1a-,Fr";',T_)zi►1 60 '� III , ���� if''.- "`'./ APP,-,41 � "6 / • r* �s .,,..,44-44.o4,.'��� �� ►left." : tii _fr' ilit 1 Imo: r. Q ® L, :.�`wn�°, 4--- 71)V 1 ettE;t-Xe' : ' , .: •: '4-`0,a1:.: i' . . , „ . . . . 270 Vkl' ♦. 71:1ikr,w.t'3.dl1''' a;"a• . . . . 90 ,: :.—�» ; 140 r.la�•Fir 3� • R - 90 240 120 - 12i 210 150 1:\ 180 Azimuth from North [O]vs Centre to Centre Separation [50 usft/in] TREE SAFL.. NOTES: WELL ANGLE>70"0 ' w13.1HO_ PROPOSAL. Y-39 ACTUATOR= OKE.ELEV= BF.ELEV= IV! 0.4 KOP= __ Max Angle= -"@ / ' } —4-1/2"HES X NP, =3.813" Datum MD= 4'. ~2200 D 4- Datum TVD= 8800'SS ;:!1!"..i... 20"COPDUCTOR, #, D= " — ii. GAS UFT MANDRELS ST MD TVD DEV TYPE VLV LATCH PORT DATE 9-5/8"CSG,40#,L-80 BTC,D=8.835" - —4897 5 4 3 Minimum ID =3.725" @2 4-1/2" HES XN NIPPLE 1 LTOP OF CEMENT —I ~13610 V+ `# I 4" ~14780 —4-1/2"FES X NP,D=3.813" MT> ' —4-1/2"NDPG-C SAPPHIRE GAUGE,D=3.813" *+ r1,4 �� .,f 14840 —i 7'X 4-1/2"HES TNT PKR D=3.856" I ~14871 —14-1/2"HES X NP,D=3.813" 1`.4 —14942 —14-1/2"HES XN NP,D=3.725" rr " r r —14959 H7'X 5"BKR HRD-EZXP LTPw/'TE3K _ " TOP OF4-1/2"LNR — f —14958 H4-1/2"WLEG,D= " 4-1/2"TBG,12.6#,13CR 86 VAM TOP, —1 —14960 r.e 8 *• --I ELKO TT NOT LOGE .0152 bpf,D=3.958" # .+ —17"X 5"Baker Flexlock HGR,D= " i. ,*,}, —I5"X 4-1/2"XO,D=3.900' 7"CSG,26#,L-80 VA TOP HC, --1 —15110 35° INC -7" @ TSGR 1 .0383 bpf,D=6276" .* Y'. H4-1/2"MARKER/10'PUPJOM PERFORATION SUMMARY '' il y RIEF LOG: ON XX/XX/XX ' ANGLE AT TOP PERF: @ Note:Refer to Roduction CO for historical perf data `SIZE SPF INTERVAL Opn/Sqz SHOT S 4' * Tx mak P —4-1/2"MARKER/10'PUPJOM :4 t l PBTD — 4-1/2"LIAR,12.6#,13CR 85 HYDRL 521, H " I l,, -1 1...1.6...#. . 1r,, .0152 bpf,D=3.958" DATE REV BY COM ENTS DATE REV BY COMMENTS PRUDHOE BAY UNIT XXIXX/14 INITIAL COMPLETION WELL -sy 04/08/14 PJC BOLD PROPOSAL PERMIT No: 04/15/14_ TJ/JMD SAPPHIRE GAUGEILI•P MATERIAL AR No: 50-029- -00 _h,_'FNL&_ 'FWL BP Exploration(Alaska) I L. �4 1/16 5000 IR-39) i.... • MONITOR PORT V' I TEST PORT •-'''. � I•-5, 10 LOCKDOWN SCREWS -------------(7-P---- -z.: t 141-- SCSSV EXIT 1 , I , ( —II-5000 IR-54) ,I I. 1i,. I I . I E r • g• ' a 4' - • a- ._1 4.7....),,A," • trl , Eli .,r.--) 0 .11:— "e 7 • ..4... al. 0/ ii: t.1.-.m._ , - hirg:74 ,� , 1111 1 L 1 \_ 2 1/16-5000 MOO 120 GV f 2 1/16-5000 MOO 120 GV { � _ iTEST PORT • 010 LOCKDOWN SCREWS ' 11 i ^4'= _ is �I1-5000 (Ft-50 sir- i t 'Mi Z: I Ill, +---_, 4): — • rI I 2 1/16-5000 M00 120 cv :. ; ` 4 I -A . TEST PORT .• £0 ` ( I y TEST PORT I ''. I C 11ii 1 20.00 CASING 1.^ I \ 9 5/e' 00 CASING T 00 CASING I Op 4 IN 00 TUBING 1 C.0 n vy ON I�I1 10 c p CEK p L O R A T O O N Q Q L� Q s Iw Q D O N C • co PROPOSAL H02-5037 O UL�,TRA -SELOCt�7D{IOLL 'PRODUCERS OR OG�1JEC OG3� O,4 O13 REF:00120M10'4013, OOOOOM102Z404iQ I PR:VATS AT CONI;0:EN'IA: (MASS OTrFR•+OC 5►E:+r-E7 NCvr510N5 0E541OPT�4, /� ill ..�y+[=:Yers�=<R ,00 NOi SCKE TNYS ONN7»C TC.ENA»CE l__ .t .,...•.a<.. UL TRA SL I MFiOLE b...e. tc..nt.ur•.w meow•.. Yi S.ALLuS s.AN.EOAS.0,5 •0-7.070 i PRODUCERS OR INJECTORS a..., zK.m-■"OSI S mar.ti•r.�ama»xY.00;c.. g.,,,,,,,E CO.4R NbN .070 uaXl.ar ,X%—!.015 O r'C'E'1`o..s• S.TwluuS TO CWC.TO rtw STo...m •XXX—_,005 i , WELLHEAD SYSTEM NANw1Ex 03.20-02 O .�.•rn vi+n...�.a w•rot o:YEISO TWEAOS TO COKOR.TO API GA { 7js.�i QiKt ...n•asmrx o.....rm- T•oRA.INCS IN TNw0 4QE 4OO.COT10Ni 1 I 1- 000 X 4 `/16-5000 U00000 O7•So-0S b...K...�a 4r•...n••••r..•••s■•••••• AnQE—=70' x t•'4re rem."e•.O 4.. ALL TLAYr�HOLT NOLCS r.RT P.M( �y 9% '': ..+4�{{er .......,,.,.eon...w.•r•K...:.. 1 COrw4 cD,TEAbtrc f N1SN— / 20 X X 7 X �2 /MAK 03.0-0: OOi20M 080698 fs ri 01 co 1 oE .1 cp I .1 ,..1 -'-`r j•-c-'r -f-lir _r•-y, i ,--k----i !'I &`"i ' 0, -' 8 -- ri__I t ; 1 L L' L Is 2 -, .C 1 _11_ 2 ",--F i A .I" 1 1 . 1:1 4;1, 00 0 Ai 1 °l °I -I p .• •- 0 1.TLY..71.- '11 - , r ; i — ! _____ ' ' -- 0)1 Ili _ , i4 111V- 411_1 _ _ ---- , A - -- -- -.11 -1 5.; ,...-. -11 , , .. t , 1 III i 0 r'-. ,...._.(--- • , ; 1 i -1 - .(..- C 1 T S.; .1 .. • 1._ga• , .,... ;, .. . • ".. ) , !, „ ,...._ ...,,,„ .... .f. ---::•‘5 E.I - "• ilins..111 I I ;%. ES. g'i:i , : III 111 — I lli. I 1 ili 1 . t I H1 I I (falai ij 1 • ' A ,• : , ' .z. 1— !.)1 , 11.- c.r.) 1 1 '......1 1 0 0 I 13 MID ! N „ 1., Et ,. • - ..._ I •-•,. 1 i - I „i 4/b c..,..-, P.. _.. , !"-°', *. ,40.--& Itt ......_ _,.. :... Iliiitictil, 1 .... liii ,...1 1 IH -..1 ....,.. 1 ill / -- i Hi cr....; . Cd) ...... 1 . ,— ..• (3 , C) ' ii • Note: Dimensional information reflected on this drawing are estimated measurements only. 28.63" Est. IfTTI U.S waioI 0 0' 4-1/16" 5,000• lJ OU 0): 93.38" - O O Est. to_m o � �( 4-1/16" 5,000# O rig m 5Est Est. 4-1/16" 5,000#- 0 0 V, .Y—;!_0 BP Alaska SK-011583-03 et: CAMERON kgm< Jeanette D.,<4-1-05 work,n¢Pr. ur< #, J-6816-3 4 -, + Enter:Ex=t I + — — 750' it ! 3 7 a 1 I I _--_-- --! r' I 35'H H- 1 G i 1 IL. . a 4 o It= Cr i • _! I I' 1 I I II — t I II t t II f r oI II r r o I f1 r r I I • ti I Li 1. 6. U,..,t ,.. c. 1 1 t I 1 ''t 1‘-— P°ittillih-t-i-.1T-ifil--1-t-.. P.-.le-4-ir ilikr... --'; - - r it) ;- $' d'mN'�j` d-v f'o ti C3'Dmu'L'i �"..[4mF3 m . Y""b' N EnVEnler o°v"zs _ y`r I �-T-1- I�TT►t 780' ►I ' 760' a 1 I I I I 1 I 1 I I WELL PRODUCER •or 0 WELL NJECTOR A DATE 10/0812013 ! SCALE t'=250' MAP DATE 20,3 PRUDHOE BAY UNIT-Y PAD WELL SLOT W/COPDUCTORIII Al I °Target 11 II I 45°-90°Targ:: 1. - Exit/Enter Doyon 25 1 lir r -T+ -‹ II I 7t-i114 OVERSIZED DOCUMENT INSERT This file contains one or more oversized documents. These materials may be found in the original hard file or check the parent folder to view it in digital format. TRANSMITTAL LETTER CHECKLIST WELL NAME: a43//( t PTD: 2--/41/ 0'73 /Development _Service Exploratory Stratigraphic Test Non-Conventional FIELD: -- , /fes_ POOL: /�%' 4-'"� DI� 6� Check Box for Appropriate Letter/Paragraphs to be Included in Transmittal Letter CHECK OPTIONS TEXT FOR APPROVAL LETTER MULTI LATERAL The permit is for a new wellbore segment of existing well Permit (If last two digits No. , API No. 50- - - in API number are Production should continue to be reported as a function of the original between 60-69) API number stated above. In accordance with 20 MC 25.005(f), all records, data and logs acquired for the pilot hole must be clearly differentiated in both well name Pilot Hole ( _ _ _ PH) and API number (50- - - - ) from records, data and logs acquired for well(name on permit). The permit is approved subject to full compliance with 20 MC 25.055. Approval to produce / inject is contingent upon issuance of a Spacing Exception conservation order approving a spacing exception. (Company Name) Operator assumes the liability of any protest to the spacing exception that may occur. All dry ditch sample sets submitted to the AOGCC must be in no greater Dry Ditch Sample than 30' sample intervals from below the permafrost or from where samples are first caught and 10'sample intervals through target zones. Please note the following special condition of this permit: Production or production testing of coal bed methane is not allowed for Non-Conventional (name of well) until after (Company Name) has designed and Well implemented a water well testing program to provide baseline data on water quality and quantity. (Company Name) must contact the AOGCC to obtain advance approval of such water well testing program. Regulation 20 MC 25.071(a) authorizes the AOGCC to specify types of well logs to be run. In addition to the well logging program proposed by (Company Name) in the attached application,the following well logs are Well Logging also required for this well: Requirements Per Statute AS 31.05.030(d)(2)(B) and Regulation 20 MC 25.071, composite curves for well logs run must be submitted to the AOGCC within 90 days after completion, suspension or abandonment of this well. 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