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Nolan Vlahovich Hilcorp Alaska, LLC Geotech 3800 Centerpoint Drive, Suite 1400 Anchorage, AK 99503 Tele: (907) 564-4558 E-mail: nolan.vlahovich@hilcorp.com Please acknowledge receipt by signing and returning one copy of this transmittal. Received By: Date: Date: 6/21/2024 To: Alaska Oil & Gas Conservation Commission Natural Resource Technician 333 W 7th Ave Suite 100 Anchorage, AK 99501 SFTP DATA TRANSMITTAL T#20240621 Well API #PTD #Log Date Log Company Log Type AOGCC Eset# BRU 241-23 50283201910000 223061 5/17/2024 AK E-LINE Perf KBU 43-07Y 50133206250000 214019 10/19/2023 AK E-LINE PLT END 2-72 50029237810000 224016 6/10/2024 HALLIBURTON RBT Paxton 3 50133205880000 209168 3/14/2023 AK E-LINE GPT/JBGR/RBP PBU E-12A 50029207820100 216127 6/4/2024 HALLIBURTON RBT PBU-GNI-03 50029228200000 197189 5/21/2024 READ CaliperSurvey Please include current contact information if different from above. T38984 T38985 T38986 T38987 T38988 T38989 PBU E-12A 50029207820100 216127 6/4/2024 HALLIBURTON RBT Gavin Gluyas Digitally signed by Gavin Gluyas Date: 2024.06.21 13:35:29 -08'00' 7. Property Designation (Lease Number): 1. Operations Performed: 2. Operator Name: 3. Address: 4. Well Class Before Work:5. Permit to Drill Number: 6. API Number: 8. Well Name and Number: 9. Logs (List logs and submit electronic data per 20AAC25.071): 10. Field/Pool(s): Susp Well Insp Install Whipstock Mod Artificial Lift Perforate New Pool Perforate Plug Perforations Coiled Tubing Ops Other Stimulate Fracture Stimulate Alter Casing Pull Tubing Repair Well Other: Change Approved Program Operations shutdown 11. Present Well Condition Summary: Casing Length Size MD TVD Burst Collapse Exploratory Stratigraphic Development Service 14. Attachments (required per 20 AAC 25.070, 25.071, & 25.283) 16. Well Status after work: 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. OIL GAS WINJ WAG GINJ WDSPL GSTOR Suspended SPLUG Authorized Name and Digital Signature with Date: Authorized Title: Contact Name: Contact Email: Contact Phone: PBU E-12A Hilcorp North Slope, LLC 3800 Centerpoint Dr, Suite 1400, Anchorage, AK 99503 216-127 50-029-20782-01-00 11430 Surface Intermediate Liner Scab Liner Liner 9120 2656 8739 558 550 2616 10625 13-3/8" 9-5/8" 7" 3-1/2" 2-3/8" 9076 37 - 2693 33 - 8772 8292 - 8850 8300 - 8850 8814 - 11430 37 - 2693 33 - 8698 8250 - 8770 8257 - 8770 8737 - 9120 None 2670 4760 7020 10530 11780 10625, 10697 5380 6870 8160 10160 11200 10543 - 11418 5-1/2" 17# x 4-1/2" 12.6# L-80 31 - 8334 9072 - 9124 Conductor 79 20" x 30" 37 - 116 37 - 116 4-1/2" Baker SAB Perm Packer 8225 8187 Torin Roschinger Operations Manager Michael Hibbert michael.hibbert@hilcorp.com 907-903-5990 PRUDHOE BAY, Prudhoe Oil Total Depth Effective Depth measured true vertical feet feet feet feet measured true vertical measured measured feet feet feet feet measured true vertical Plugs Junk Packer Measured depth True Vertical depth feet feet Perforation depth Tubing (size, grade, measured and true vertical depth) Packers and SSSV (type, measured and true vertical depth) 12. Stimulation or cement squeeze summary: Intervals treated (measured): Treatment descriptions including volumes used and final pressure: 13a.Representative Daily Average Production or Injection Data Oil -Bbl Gas-Mcf Water -Bbl Casing Pressure Tubing Pressure Prior to well operation: Subsequent to operation: 15. Well Class after work: Exploratory Development Service StratigraphicDaily Report of Well Operations Copies of Logs and Surveys Run Electronic Fracture Stimulation Data Sundry Number or N/A if C.O. Exempt: ADL 0028299, 0028304 31 - 8289 N/A N/A 262 Well Test Not Available 27867 123 700 700 880 800 N/A 13b. Pools active after work:Prudhoe Oil No SSSV Installed 8225, 8187 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION REPORT OF SUNDRY WELL OPERATIONS Sr Pet Eng: Sr Pet Geo: Form 10-404 Revised 10/2022 Submit in PDF format to aogcc.permitting@alaska.gov Sr Res Eng: Due Within 30 days of Operations By Grace Christianson at 1:52 pm, Jun 14, 2024 Digitally signed by Torin Roschinger (4662) DN: cn=Torin Roschinger (4662) Date: 2024.06.14 04:30:37 - 08'00' Torin Roschinger (4662) RBDMS JSB 061924 DSR-6/17/24WCB 9-9-2024 ACTIVITY DATE SUMMARY 6/4/2024 CTU #1 1.5" Blue Coil Job Scope: CBL, Set CIBP, Perforate Travel from L2-29. MIRU. PT 300/4200 psi. Bullhead well w/ wellbore volume (210 bbls) 1% KCL w/ safelube @ 4.8 bpm. Initial and final pressures 2310 / 130 psi. RIH after WHP dropped to 900 psi w/ NS 1.69 CTC, MHA, (2) 1.50 x 4' stingers, and 1.75" nozzle (OAL 10.8'). FP well to 2000' w/ 47 bbls diesel. Clean drift to 11,100' CTM. POH and make up 1-11/16" HES CBL toolstring. Log from 11000' to 8000' at 40 FPM. Painted a green tie-in flag at 10650'. Start POOH. ***Job in Progress*** 6/5/2024 LRS CTU #1 1.5" Blue Coil. Jobe Scope: CBL, Set CIBP, Perforate Continue POOH with HES RBT and confirm good data (+12' correction, field pick TOC ~ 9200'). Make up 2-3/8" NS CIBP and RBIH. Set CIBP at 10685'. POOH and lay down CIBP BHA. Make up SLB 1.56"x30' gun run #1. RIH and tag CIBP, correct depth to bottom shot. PUH and perforate interval 10,573' - 10,603' 1.56" HSD Guns. POOH. BD 30' Spent Guns. Begin safety stand down. ***Job Continued on 6/6/2024*** 6/6/2024 LRS CTU #1 1.5" Blue Coil. Jobe Scope: CBL, Set CIBP, Perforate Safety stand down complete, resume operations. Function test BOPs. Bullhead 15 bbl of 50/50. Make up and RIH with 30' of SLB 1.56" PJ perf guns. ***Job Continued on 6/7/2024*** 6/7/2024 LRS CTU #1 1.5" Blue Coil. Jobe Scope: CBL, Set CIBP, Perforate Continue RIH with 30' of SLB 1.56" PJ perf guns. Check depths at flag and tag on the CIBP. Distance between flag and tag was ~12' too far, appears the plug has been blown down hole after the first perf gun. Depth of plug now ~10697'. PUH and correct depth off of the flag. Perforate 10,543' - 10,573'. POOH and lay down spent gun (all shots fired in scallop, ball recovered). Make up and RIH with 2-3/8" NS CIBP. Set plug at 10625'. POOH and RDMO. ***Job Complete*** Daily Report of Well Operations PBU E-12A ( Set plug at 10625'. POOH g perforate interval 10,573' - 10,603' g Perforate 10,543' - 10,573'. CIBP and adperfs are correctly shown below. -WCB 7. Property Designation (Lease Number): 1. Operations Performed: 2. Operator Name: 3. Address: 4. Well Class Before Work:5. Permit to Drill Number: 6. API Number: 8. Well Name and Number: 9. Logs (List logs and submit electronic data per 20AAC25.071): 10. Field/Pool(s): Susp Well Insp Install Whipstock Mod Artificial Lift Perforate New Pool Perforate Plug Perforations Coiled Tubing Ops Other Stimulate Fracture Stimulate Alter Casing Pull Tubing Repair Well Other: Change Approved Program Operations shutdown 11. Present Well Condition Summary: Casing Length Size MD TVD Burst Collapse Exploratory Stratigraphic Development Service 14. Attachments (required per 20 AAC 25.070, 25.071, & 25.283) 16. Well Status after work: 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. OIL GAS WINJ WAG GINJ WDSPL GSTOR Suspended SPLUG Authorized Name and Digital Signature with Date: Authorized Title: Contact Name: Contact Email: Contact Phone: PBU E-12A Extended Perf w CTU Hilcorp North Slope, LLC 3800 Centerpoint Dr, Suite 1400, Anchorage, AK 99503 216-127 50-029-20782-01-00 11430 Surface Intermediate Liner Scab Liner Liner 9120 2656 8739 558 550 2616 11410 13-3/8" 9-5/8" 7" 3-1/2" 2-3/8" 9126 37 - 2693 33 - 8772 8292 - 8850 8300 - 8850 8814 - 11430 37 - 2693 33 - 8698 8250 - 8770 8257 - 8770 8737 - 9120 None 2670 4760 7020 10530 11780 None 5380 6870 8160 10160 11200 10806 - 11418 5-1/2" 17# x 4-1/2" 12.6# L-80 31 - 8334 9126 - 9124 Conductor 79 20" x 30" 37 - 116 37 - 116 4-1/2" Baker SAB Perm Packer 8225, 8187 8225 8187 Torin Roschinger Operations Manager Michael Hibbert michael.hibbert@hilcorp.com 907-903-5990 PRUDHOE BAY, Prudhoe Oil Total Depth Effective Depth measured true vertical feet feet feet feet measured true vertical measured measured feet feet feet feet measured true vertical Plugs Junk Packer Measured depth True Vertical depth feet feet Perforation depth Tubing (size, grade, measured and true vertical depth) Packers and SSSV (type, measured and true vertical depth) 12. Stimulation or cement squeeze summary: Intervals treated (measured): Treatment descriptions including volumes used and final pressure: 13a.Representative Daily Average Production or Injection Data Oil -Bbl Gas-Mcf Water -Bbl Casing Pressure Tubing Pressure Prior to well operation: Subsequent to operation: 15. Well Class after work: Exploratory Development Service StratigraphicDaily Report of Well Operations Copies of Logs and Surveys Run Electronic Fracture Stimulation Data Sundry Number or N/A if C.O. Exempt: ADL 0028299, 0028304 31 - 8289 N/A N/A 246 330 27175 24601 111 472 300 700 1140 800 323-474 13b. Pools active after work:Prudhoe Oil No SSSV Installed STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION REPORT OF SUNDRY WELL OPERATIONS Sr Pet Eng: Sr Pet Geo: Form 10-404 Revised 10/2022 Submit in PDF format to aogcc.permitting@alaska.gov Sr Res Eng: Due Within 30 days of Operations By Grace Christianson at 3:05 pm, Mar 28, 2024 Digitally signed by Torin Roschinger (4662) DN: cn=Torin Roschinger (4662), ou=Users Date: 2024.03.28 14:31:13 -08'00' Torin Roschinger (4662) DSR-4/12/24 RBDMS JSB 040424 ACTIVITY DATE SUMMARY 3/16/2024 LRS CTU 1 - 1.5" Blue Coil. Job Objective: Diesel/Xylene Wash MIRU. Perform weekly BOP test 250/4000. ***Job Continued on 3/17/2024*** 3/16/2024 Assist CTU #1. Arrive on location and gather for PJSM with coil personnel. Spot equipment and start rigging up. ***Continue on 03/17/24*** 3/17/2024 Assist CTU #1 with diesel/xylene wash.RIg up to CTU. Pump 50 bbls of hot diesel followed by 55 bbls of 50/50 diesel/xylene down coil. Allow to soak and resume pumping hot diesel while coil jets across the perforations. Released from jobsite while coil POOH. 3/17/2024 LRS CTU 1 - 1.5" Blue Coil. Job Objective: Diesel/Xylene Wash RIH with 1.5" slim cleanout assembly. Bullhead well with 220 bbl of diesel. Park above liner top and pump 50 bbl of heated diesel to warm pipe. Tagged PBTD and began reciprocating across perforations pumping 55 bbl of 100* 50/50 diesel/xylene. Allow to soak and then jet hot diesel across perfs to displace. POOH while initially POP'ing the well to tanks. RDMO. ***Job Complete*** 3/20/2024 LRS CTU 1, 1.5" Blue Coil. Job Objective: Extended Adperf MIRU. Function test BOPs upon installation. Freeze protect the flowline with 9 bbl of 60/40. Make up and RIH with HES 1.69" GR/CCL and 1.75" drift. L&K well, maintain min continuous hole fill rate throughout log/pooh. Light tag 11,383' ctm. Paint orange flag at 11,300', continue log up to 10000'. POOH. Download/confirm log data. +34' correction. PBTD=11409.92'. Corrected EOP=11324.55'. Town reviewing data. ***Job in Progress*** 3/21/2024 LRS CTU 1, 1.5" Blue Coil. Job Objective: Extended Adperf Town reviewing log data. Good to proceed with 65' loaded gun and perf ~8' higher than original depths. New perf interval 11345'-11410' PBTD. Paint new Yellow flag at 10,800.73 (EOP). POOH. Perform well control drill - Kick while tripping. Retrieve gun #1 and deploy gun #2 - HES 1.56" X164' (144' Loaded) Geo Raxors. RIH. Tagged at 10622 and then overpulled. Work pipe and got free but definitely dragging something. WHP begins to rise, flowpath to perfs was reduced. Weights cleaned up by 9755. Tagged again at LTP. POOH for clean out BHA. MIRU w/1.76" 4 blade junk mill bha. Displace 50 bbls of 180deg diesel into liner before drifting/milling liner. **In progress** 3/21/2024 Assist CTU #1. Rig up to choke trailer and pump 50 bbls of hot diesel down CT backside for paraffin mitigation per CTU Rep. Released from jobsite. Daily Report of Well Operations PBU E-12A g New perf interval 11345'-11410' PBTD Daily Report of Well Operations PBU E-12A 3/22/2024 LRS CTU 1, 1.5" Blue Coil. Job Objective: Extended Adperf Continue displacing diesel into liner. Displace coil to KCL. Start "cleaning out" liner taking 300' bites. 8950' begin seeing ~150psi motorwork and an increase in WHP from zero to ~250psi. Soft sticky milling until 10,387' (tag). No motor work at tag. See log for details. WHP was reactive to direction of travel. Decrease when pooh and increase when rih. Cleanout/mill down to 11358'ctm. Drift with pump on back to 9200'. Dry drift back down to PBTD. Correct depth off of PBTD and flag pipe for perforating. Overpull at 9648. Clean up area and dry drift down to below next perf interval. Pull above 2-3/8" LNR and open circ sub. POOH pumping MCHF + Pipe displacement while POOH. Flow check well and establish .38 bpm loss rate. Well control drill - kick while tripping. Lay down milling assembly and deploy 164' (144' loaded) of 1.56" HES GEO Razor perf guns. RIH and correct depth at flag. Perforate 10806-10886 and 10906-10970. POOH pumping pipe displacement+ MCHF rate. Flowcheck well on bottom and the well goes on a vac. Resume POOH and pump pipe displacement. Undeploy gun #2. Pump 150bbls of diesel into well for POP. RDMO ***Complete*** ( Perforate) 10806-10886 and 10906-10970 g Pump 150bbls of diesel into well for POP. RDMO The new WBS, below, correctly shows the adperfs. -WCB 7. If perforating: 1. Type of Request: 2. Operator Name: 3. Address: 4. Current Well Class:5. Permit to Drill Number: 6. API Number: 8. Well Name and Number: 9. Property Designation (Lease Number):10. Field: Abandon Suspend Plug for Redrill Perforate New Pool Perforate Plug Perforations Re-enter Susp Well Other Stimulate Fracture Stimulate Alter Casing Pull Tubing Repair Well Other: Change Approved Program Operations shutdown What Regulation or Conservation Order governs well spacing in thes pool? Will perfs require a spacing exception due to property boundaries?Yes No 11. Total Depth MD (ft): Total Depth TVD (ft): Effective Depth MD: Effective Depth TVD: MPSP (psi): Plugs (MD): Junk (MD): PRESENT WELL CONDITION SUMMARY Perforation Depth MD (ft): Perforation Depth TVD (ft):Tubing Size: Tubing Grade: Tubing MD (ft): Packers and SSSV Type:Packers and SSSV MD (ft) and TVD (ft): Casing Length Size MD TVD Burst Collapse Exploratory Stratigraphic Development Service 12. Attachments: 14. Estimated Date for Commencing Operations: 13. Well Class after proposed work: 15. Well Status after proposed work: 16. Verbal Approval: 17. I hereby certify that the foregoing is true and the procedure approved herein will not be deviated from without prior written approcal. Proposal Summary Wellbore schematic BOP SketchDetailed Operations Program OIL GAS WINJ WAG GINJ WDSPL GSTOR Op Shutdown Suspended SPLUG Abandoned ServiceDevelopmentStratigraphicExploratory Authorized Name and Digital Signature with Date: Authorized Title: Contact Name: Contact Email: Contact Phone: AOGCC USE ONLY Commission Representative: Conditions of approval: Notify AOGCC so that a representative may witness Sundry Number: Location ClearanceMechanical Integrity TestBOP TestPlug Integrity Other Conditions of Approval: Post Initial Injection MIT Req'd?Yes No Subsequent Form Required: Approved By:Date: APPROVED BY THE AOGCCCOMMISSIONER PBU E-12A Extended Perf w CTU Hilcorp North Slope, LLC 3800 Centerpoint Dr, Suite 1400, Anchorage, AK 99503 216-127 50-029-20782-01-00 341J ADL 0028299, 0028304 11430 Surface Intermediate Liner Scab Liner Liner 9120 2656 8739 558 550 2616 11411 13-3/8" 9-5/8" 7" 3-1/2" 2-3/8" 9126 37 - 2693 33 - 8772 8292 - 8850 8300 - 8850 8814 - 11430 2425 37 - 2693 33 - 8698 8250 - 8770 8257 - 8770 8737 - 9120 None 2670 4760 7020 10530 11780 None 5380 6870 8160 10160 11200 10854 - 11418 5-1/2" 17# x 4-1/2" 12.6# L-80 31 - 83349140 - 9124 Conductor 79 20" x 30" 37 - 116 37 - 116 4-1/2" Baker SAB Perm Packer No SSSV Installed 8225, 8187 Date: Torin Roschinger Operations Manager Michael Hibbert michael.hibbert@hilcorp.com 907-903-5990 PRUDHOE BAY 10/1/2023 Current Pools: PRUDHOE OIL Proposed Pools: PRUDHOE OIL Suspension Expiration Date: STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION APPLICATION FOR SUNDRY APPROVALS 20 AAC 25.280 Comm. Comm.Sr Pet Eng Sr Pet Geo Sr Res Eng Form 10-403 Revised 06/2023 Approved application is valid for 12 months from the date of approval.Submit PDF to aogcc.permitting@alaska.gov By Grace Christianson at 8:09 am, Aug 21, 2023 323-474 Digitally signed by Torin Roschinger (4662) DN: cn=Torin Roschinger (4662), ou=Users Date: 2023.08.21 07:53:52 -08'00' Torin Roschinger (4662) 10-404 MGR30AUG23 DSR-8/21/23 2425 MDG 9/13/2023 *&: 09/13/23 Brett W. Huber, Sr. Digitally signed by Brett W. Huber, Sr. Date: 2023.09.13 19:13:27 -05'00' RBDMS JSB 091423 FCO, Diesel/Xylene Treatment & Ext RePerf/Adperf Well: E-12A Well Name:E-12A API Number:50-029-20782-01 Current Status:Cycle Well – High GOR Pad:E-Pad Estimated Start Date:10/1/2023 Rig:CT Reg. Approval Req’d?10-403/10-404 Date Reg. Approval Rec’vd: Regulatory Contact:Abbie Barker Permit to Drill Number:216-127 First Call Engineer:Michael Hibbert Contact:907-903-5990 Current Bottom Hole Pressure:3250 psi Estimated MPSP:2425 psi (BHP - .1psi/ft gas gradient + safety factor) Max Dev:109 deg At 11,356’ MD 70 Deg:9,250’ MD Min ID:1.781” R-nipple w/ PTSA at 8,817’ MD Tie In Log:E-12A PDCL (see annotated Log attached) Brief Well Summary: E-12A is a tiny CTD sidetrack that was drilled in Dec 2017. Well had good on-time through 2022 and then has cycled occasionally since then. Intervals were reperforated in June 2019 which showed improved oil production. The last gun was cancelled after BHAs started becoming stuck in LTP at 8841’. The perforations are sub-HOT. It is theorized that the colder production fluids combined with sub-HOT results in wax/asphaltenes being deposited near well-bore. The diesel/xylene and re-perforating is to try and decrease/eliminate this near well-bore damage. Objective: D&T w/ motor and mill BHA. Jet diesel/xylene across perfs and let soak. Deploy extended length perforating guns and adperf from 10,806’-10,854’ and reperforate the following intervals 10,854’-10,886’, 10,906’-10,970’, and 11,353’-11,418’. Procedure: 1.5” CTU – D&T, jet diesel/xylene, re-perf 1. MU motor and mill BHA with a 1.75” mill. a. Include mill with back-cutting structure or add a string-mill for cleaning up the LTP area in both directions. 2. RIH and dry tag. Mill any restrictions found and mill down to PBTD. 3. Reciprocate across LTP area several times due to history of BHAs pulling heavy through that area. 4. POOH. 5. MU and RIH with JSN. 6. Lay in hot diesel/xylene across perforations. Jet across perforations with a closed choke. a. See WSR on 7/22/21 for similar operation. b. Order ~50 bbls of 50/50 diesel/xylene (or higher concentration of xylene if possible) as hot as possible. 7. POOH. 8. Attempt to flow well to determine positive impact of diesel/xylene wash. Consider leaving to complete another job and returning to complete extended adperf/reperf if needed. Or if well does not show improvement from diesel/xylene wash with a quick test then consider moving directly into the extended adperf/reperf. Coil – Extended Perforating Notes: x Remote gas monitoring for H2S and LELs are required for Open Hole Deployment Operations Deploy extended length perforating guns and adperf from 10,806’-10,854’ and reperforate the following intervals 10,854’-10,886’, 10,906’-10,970’, and 11,353’-11,418’. FCO, Diesel/Xylene Treatment & Ext RePerf/Adperf Well: E-12A x Due to the necessary open hole deployment of Extended Perforating jobs, 24-hour crew and WSS coverage is required. The well will be killed and monitored before making up the initial perf guns. This is generally done during the drift/logging run. This will provide guidance as to whether the well will be killed by bullheading or circulating bottoms up throughout the job. If pressure is seen immediately after perforating, it will either be killed by bullheading while POOH or circulating bottoms up through the same port that opened to shear the firing head. 1. After MU MHA and pull testing the CTC, tag-up on the CT stripper to ensure BHA cannot pull through the brass upon POOH with guns. 2. Bullhead ~205 bbls 1% KCL/SW down tubing as needed to load well. Max tubing pressure 2500 psi. (This step can be performed any time prior to open-hole deployment of the perf guns. Timing of the well kill is at the discretion of the WSS.) a. Wellbore volume to top perf = 205 bbls b. 5.5” Tubing – 8,203’ X .0232 bpf = 191 bbls c. 4.5” Liner – 99’ X .0152 bpf = 1.5 bbls d. 3.5” Liner – 508’ X .0087 bpf = 4.5 bbls e. 2-3/8” Liner – 2044’ X 0.0039 bpf = 8 bbl 3. MU and RIH with GR/CCL with 1.75” JSN. 4. Flag pipe as appropriate per WSS for adperf 5. POOH and freeze protect tubing as needed. 6. Confirm good log data. 7. At surface, prepare for deployment of TCP guns. 8. Confirm well is dead. Bleed any pressure off to return tank. Kill well w/KWF, 8.4 ppg 1% KCl or 8.5 ppg as needed. Maintain hole fill taking returns to tank until lubricator connection is re-established. Fluids man-watch must be performed while deploying perf guns to ensure the well remains killed and there is no excess flow. 9.*Perform drill by picking up safety joint with TIW valve and space out before MU guns. Review well control steps with crew prior to breaking lubricator connection and commencing makeup of TCP gun string. Once the safety joint and TIW valve have been spaced out, keep the safety joint/TIW valve readily accessible near the working platform for quick deployment if necessary. a.At the beginning of each job, the crossover/safety joint must be physically MU to the perf guns one time to confirm the threads are compatible. 10.Break lubricator connection at QTS and begin makeup of TCP guns per schedule below. Constantly monitor fluid rates pumped in and fluid returns out of the well. Fluids man-watch must be performed while deploying perf guns to ensure the well remains killed and there is no excess flow. Perf Interval Perf Length Gun Length Weight of Gun (lbs) Run #1 Charges – 10,806’ – 10,886’ Blank pipe – 10,886’ – 10,906’ Charges – 10,906’ – 10,970’ 144’ 164’ ~650 lbs (4 ppf) Run #2 11,353’-11,418’65’ 65’~260 lbs Perf Schedule Use 1.56” Perfecta guns or similar FCO, Diesel/Xylene Treatment & Ext RePerf/Adperf Well: E-12A 11. RIH with perf gun and tie-in to coil flag correlation. Pickup and perforate interval per Perf Schedule above. a. Note any tubing pressure change in WSR. 12. After perforating, PUH to top of liner or into tubing tail to ensure debris doesn’t fall in on the guns and stick the BHA. Confirm well is dead and re-kill if necessary before pulling to surface. 13. Pump pipe displacement while POOH. Stop at surface to reconfirm well is dead. Kill well if necessary. 14. Review well control steps and Standing Orders with crew prior to breaking lubricator connection and commencing breakdown of TCP gun string. 15. Ensure safety joint and TIW valve assembly are on-hand before breaking off lubricator to LD gun BHA. 16. Repeat steps for gun #2. 17. Turn well over to Operations to POP and test. Attachments: x Current Wellbore Schematic x Proposed Wellbore Schematic x Tie In Log x CTU BOP Schematic x Standing Orders x Equipment Layout Diagram x Sundry Change Form Make up PCE. - mgr FCO, Diesel/Xylene Treatment & Ext RePerf/Adperf Well: E-12A Current Schematic: FCO, Diesel/Xylene Treatment & Ext RePerf/Adperf Well: E-12A Proposed Schematic: Adperf 10,806’-10,854’ Re-Perforate 10,854’-10,886’ 10,906’-10,970’ 11,353’-11,418’ FCO, Diesel/Xylene Treatment & Ext RePerf/Adperf Well: E-12A Tie-in Log \\hilcorp.com\share\Alaska\Hilcorp North Slope\U-Drive-BPOC\Wells\Interventions Data\Web Resources LA\Job Requests\E\E-12_20180913_PERFORATING_A57F92EC-A8AA-4103-B537-C9F47138050E\rev2 E-12A CT Intervention_perforate_28 Dec 2018.pdf FCO, Diesel/Xylene Treatment & Ext RePerf/Adperf Well: E-12A Re-Perforate 10,906’-10,970’ Re-Perforate 10,854’-10,886’ Perforate 10,806’-10,854’ FCO, Diesel/Xylene Treatment & Ext RePerf/Adperf Well: E-12A Re-Perforate 11,353’-11,418’ (or as deep as possible) FCO, Diesel/Xylene Treatment & Ext RePerf/Adperf Well: E-12A BOP Schematic FCO, Diesel/Xylene Treatment & Ext RePerf/Adperf Well: E-12A FCO, Diesel/Xylene Treatment & Ext RePerf/Adperf Well: E-12A FCO, Diesel/Xylene Treatment & Ext RePerf/Adperf Well: E-12A Changes to Approved Sundry Procedure Date: Subject: Sundry #: Any modifications to an approved sundry will be documented and approved below. Changes to an approved sundry will be communicated to the AOGCC by the “first call” engineer. AOGCC written approval of the change is required before implementing the change. Step Page Date Procedure Change HAK Prepared By (Initials) HAK Approved By (Initials) AOGCC Written Approval Received (Person and Date) Approval: Operations Manager Date Prepared: Operations Engineer Date Kaitlyn Barcelona Hilcorp North Slope, LLC GeoTechnician 3800 Centerpoint Drive, Suite 1400 Anchorage, AK 99503 Tele: 907 777-8337 E-mail: kaitlyn.barcelona@hilcorp.com Please acknowledge receipt by signing and returning one copy of this transmittal Received By: Date: DATE: 11/01/2021 To: Alaska Oil & Gas Conservation Commission Natural Resource Technician 333 W 7th Ave Suite 100 Anchorage, AK 99501 DATA TRANSMITTAL PBU E-12A (PTD 216-127) Reservoir Performance Monitor 07/22/2021 Report 07/22/2021 Please include current contact information if different from above. 11/02/2021 Operator Name:2. Development Exploratory Service 5 Permit to Drill Number:216-127 6.50-029-20782-01-00 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 11430 11411 9126 8225 None None 8187 Casing: Length: Size: MD: TVD: Burst: Collapse: Conductor 79 20" x 30" 37 - 116 37 - 116 Surface 2656 13-3/8" 37 - 2693 37 - 2693 5380 2670 Intermediate 8739 9-5/8" 33 - 8772 33 - 8697 6870 4760 Liner 558 7" 8292 - 8850 8250 - 8770 8160 7020 Liner 550 3-1/2" 8300 - 8850 8257 - 8770 10160 10530 Perforation Depth: Measured depth: 10854 - 11418 feet True vertical depth:9140 - 9124 feet Tubing (size, grade, measured and true vertical depth)4-1/2" 12.6# L-80 31 - 8334 31 - 8289 8225 8187Packers and SSSV (type, measured and true vertical depth) 4-1/2" Baker SAB Perm Packer Liner 2616 2-3/8" 8814 - 11430 8737 - 9120 11200 11780 12. Stimulation or cement squeeze summary: Intervals treated (measured): N/A Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure 1377025223633522 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 measured9120 Sundry Number or N/A if C.O. Exempt: N/A No SSSV Installed Junk Packer Printed and Electronic Fracture Stimulation Data 5 Change Liner Top Packer Operations shutdown Change Approved Program 5 N/A Senior Pet Engineer:Senior Res. Engineer: STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION REPORT OF SUNDRY WELL OPERATIONS Suspend Perforate Other Stimulate Alter Casing Plug for Redrill Perforate New Pool Repair Well Re-enter Susp Well 3.Address: 3800 Centerpoint Dr, Suite 1400, Anchorage, AK 99503 7.Property Designation (Lease Number):ADL 028304 PBU E-12A 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 853 20522 1002 0 1172 By Samantha Carlisle at 11:41 am, Mar 11, 2021 Digitally signed by Stan Golis (880) DN: cn=Stan Golis (880), ou=Users Date: 2021.03.10 15:57:08 -09'00' Stan Golis (880) MGR15MAR2021 SFD 3/12/2021RBDMS HEW 3/11/2021 SFD 3/12/2021ADL 028299 DSR-3/11/21 ACTIVITYDATE SUMMARY 3/3/2021 ***WELL S/I ON ARRIVAL*** R/D FROM PREVIOUS WELL. SPOT EQUIPMENT. TROUBLESHOOT EQUIPMENT. SWAP CRANES. ***WSR CONTINUED ON 3-4-21*** 3/4/2021 ***WELL S/I ON ARRIVAL*** TAGGED LTP @ 8810' MD W/ 3 1/2" BRUSH, AND 2.70" GAUGE RING. SET 1.781" RR PLUG @ 8817' MD. ***WSR CONTINUED ON 3-5-21, OPERATIONS WILL CONDUCT TESTS OVERNIGHT*** 3/5/2021 ***WSR CONTINUED FROM 3-4-21*** EQ & PULLED 1.781" RR PLUG FROM 35KB/PTSA @ 8781' SLM. UNABLE TO WORK 3-1/2" GS PAST 8733' SLM. WORKED 2.80" GAUGE RING AND 3-1/2" BRUSH FROM 8776' TO 8781' SLM. RAN 3-1/2" GR TO 8781' SLM. RECOVERED UPPER 19" OF 35KB PACKER. (Corrded/pitted & flow cut main mandrel below ellement) ***WSR CONTINUED ON 3-6-21*** 3/6/2021 ***WSR CONTINUED FROM 3-5-21*** RECOVERED 2 BACKUP RINGS, AND PIECE OF ELEMENT FROM 35KB FISH @ 8810' MD. RECOVERED LOWER PORTION OF 35 KB LTP W/ PTSA (ALL COMPONENTS ACCOUNTED FOR). DRIFTED CLEANLY W/ 35 KB / PTSA DRIFT TO 8814' MD (ALL TATTLE TALES SHEARED). ***WSR CONTINUED ON 3-7-21*** 3/7/2021 ***WSR COTINUED FROM 3-6-21*** LOADED TBG 265 BBLS CRUDE. BRUSHED / GAUGED 3 1/2" LINER 2.78" TO 8814' MD. SET 35KB PACKER AND PTSA W/ 1.781" R NIPPLE (RR PLUG INSTALLED) @ 8814' MD. MIT-T 500 PSI (PASSED). PULLED 1.781" RR PLUG FROM 8817' MD. ***WELL RETURNED TO DSO. COMPLETE*** 3/7/2021 T/I/O=2350/250/100 Temp=SI Assist S-Line (Load & Test) Loaded Tbg. w/ total of 175 bbls Crude. S-Line set Liner Top Packer. Pressure test to 500 psi PASS. Loss of 22 psi 1st 15 min. Loss of 11 psi 2nd 15 min. Bled down Tbg. FW HP=100/220/66 Casing valves OTG, S-Line on location upon departure Daily Report of Well Operations PBU E-12A STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION REPORT OF SUNDRY WELL OPERATIONS 1. Operations Performed Abandon ❑ Plug Perforations ❑ Fracture Stimulate ❑ Pull Tubing ❑ Operations shutdown ❑ Suspend ❑ Perforate 0 Other Stimulate ❑ Alter Casing ❑ Change Approved Program ❑ Plug for Redrill ❑ Perforate New Pool ❑ Repair Well ❑ Re-enter Susp Well ❑ Other: ❑ 2. Operator Name: BP Exploration (Alaska), Inc 4. Well Class Before Work Development 0 Exploratory ❑ 5. Permit to Dnll Number: 216-127 3. Address: P.O. Box 196612 Anchorage, API Number: 50-029-20782-01-00 AK 99519-6612 Stratigraphic ❑ Service 116. 7. Property Designation (Lease Number): ADL 028304 & 028299 8. Well Name and Number: PBU E -12A 9. Logs (List logs and submit electronic and printed data per 20AAC25.071): 10. Field/Pools: PRUDHOE BAY. PRUDHOE OIL RECEIVE 11, Present Well Condition Summary: Total Depth: measured 11430 feet Plugs measured None feet JUN 2 7 2019 true vertical 9120 feet Junk measured None feet Effective Depth: measured 11411 feet Packer measured 8224 feet®� „ true vertical 9126 feet Packer true vertical 8187 feet (V' Casing. Length: Size: MD: TVD: Buret: Collapse. Conductor 79 20" x 30" 37-116 37-116 Surface 2656 13-3/8" 37-2693 37-2693 5380 2670 Intermediate 8739 9-5/8" 33-6772 33-8698 6870 4760 Liner 559 7" 8291 -8850 8249-8770 7240 5410 Scab Liner 548 3-112" 8302-8850 8259-8770 10160 10530 Liner 2620 2-3/8" 8810-11430 8733-9120 11200 11780 Perforation Depth: Measured depth: 10854 -11411 feet True vertical depth: 9140-9124 feet Tubing (size, grade, measured and true vertical depth) 5-1/2" 17# x 4-1/2" 12.6#, L-80 31 -8335 31 -8290 Packers and SSSV (type, measured and 4-1/2" Baker SAB Perm Packer 8224 8187 true vertical depth) No SSSV Installed 12. Stimulation or cement squeeze summary: Intervals treated (measured): Treatment descriptions including volumes used and final pressure: 11 Representative Daily Average Production or Injection Data Oil -Bbl Gas-Mcf Water -Bbl Casing Pressure Tubing Pressure Prior to well operation: 183 15384 16 0 865 Subsequent to operation: 1050 28126 1056 0 253 14. Attachments: (required per 20 MC 25070 25.071, 325.2931 15. Well Class after work: Daily Report of Well Operations 0 Exploratory ❑ Development 0 Service ❑ Stratigraphic ❑ 16. Well Status after work: Oil 0 Gas ❑ WDSPL ❑ Copies of Logs and Surveys Run ❑ Printed and Electronic Fracture Stimulation Data ❑ IGSTOR ❑ WINJ ❑ WAG ❑ GINJ ❑ SUSP ❑ SPLUG ❑ Sundry Number or N/A if C.O. Exempt: 17. 1 hereby certify that the foregoing is true and correct to the best of my knowledge. NIA Authorized Name: Duong, Lea Contact Name: Duong. Lea Authorized Title: Senior Petroleum Contact Email: Lea.DuongCQbp.com -Engineer b ?, (9 Authorized Signature: ` Date: Contact Phone: +1 907 564 4840 Form 10404 Revised 04/2017 se $//� RBDMS�1'(F-vJ1JL 0 12019 Submit Original Only Daily Report of Well Operations PBU E -12A GrTI\/ITVr)ATG c, I. RA A M%, CTU #8 / 1.50" coil / Job Objective: Re-perf & Adperf MIRU. Kill well with 1% slick KCI. RIH with 1.5" JSN and tag at 11,399' ctmd. POOH. RIH with HES GR/CCL logging tools. Log from tag at 11,399' ctmd to 10,000', paint yellow flag at 11,200'. POOH. 6/7/2019 *"Continued on 6/8/19 WSR*** CTU #8 / 1.50" coil / Job Objective: Re-perf & Adperf ***Cont from WSR 6-7-19`** Finish POOH with logging tools. Recieve good data. Correlated to PDCL dated 03 -Jan -2018 (+14.5' correction). RIH with HES 1.56" x 32' Perfecta gun #1 and re-perf interval 11,379' - 11,411'. POOH, Shots fired and ball recovered. MU & RIH with HES 1.56" x 32' Perfecta gun #2 and re-perf interval 11,353' - 11,385'. POOH. Shots fired and ball recovered. MU & RIH with HES 1.56 x e ec a gun #3 and perforate 10,938' - 10,970'. Shots fired and ball recovered. 6/8/2019 'Continued on 6/9/19 WSR**` CTU #8 11.50" coil / Job Objective: Re-perf & Adperf ***Cont from WSR 6-8-19*** MU & RIH with HES 1.56" x 32' Perfecta gun #4. Perforate 10906'- 10938'. Shots fired and ball recovered. Trim 20' pipe and rehead. MU & HIH with x 2' Perfecta gun #5. Perforate interval 10,854'- 10,886'. POOH and get stuck at 8841'(- liner top). Pull free and POOH. Shots fired and ballrecovere . lowdown reel for pipe swap. 6/9/2019 `**Continued on 6/10/19 WSR*** CTU #8 / 1.50" coil / Job Objective: Re-perf & Adperf ***Cont. from WSR 6-9-19**` Complete rig down. 6/10/2019 *`*Job Complete*** ',MILWAD= GRAY ACTUATOR= Note: Refer to Production DB for historical perf data OKB. 9.P/ 64.3' Rff ELEY = 642T BF. ELEV = 31.12' KOP= 7400' Max Ante = 10V @ 11358' Datun kD= 895T patmND= mw SS 13-318' CSG, 72#, L-80, D = 12.347' Minimum ID = 1.781" @ 8817' 23/8" R NIPPLE IN PKR w/PTSA TBG, 179, L-80, .0232 ITOPOF 3-112' LNR .0152 bpf, D = 3.958' PERFORATION SUMMARY RE= LOG: BHI ON 12/20117 ANGLE AT TOP PERF: 74' (91 10854' Note: Refer to Production DB for historical perf data SIZE SPF INTERVAL OprJSgz SHOT SOZ 1.56' 6 10854 - 10886 O 0609/19 OT-LBD 1.56' 6 10906 - 10938 O 06/08/19 11 1.56' 6 10938 -10970 O 06/08119 OMY 1.56' 6 11353 - 11385 O 0008119 5931 1.56' 6 11353 -11418 O 12/25/17 RM 1.56' 6 11379 -11411 O 0008119 6071 D = 2.992' D=6-184' LNR, 269, L-80 SAFETY NOTES: W ELL ANGLE> 70° @ 9266'. MAX DLS: 34" 4M 9381. E —1 4i A 2086' 5-12' OTS SSSV F2�1 LAND NP, D = 4.562' O1 11 GAS LFT lV ANORE.S L-80 ST MDITVDIDLVI PRIDHOE BAY UNIT VYB-L E -12A PERMIT No: 216-127 AR No: 5402920782-01 SEE 6. T11 Nt R14E, 57Y FTL 8500' FH. TYPE VLV LATCH FORT DOTE 12 3014 3014 0 OT-LBD 01/10/18 GJB/JIvD SET PKRw/PTSA BAP RM 16 011=18 11 4868 4868 1 OT -1-131) OMY RA 10 5931 5931 0 OT-LBD SO RM 20 01/03118 9 6071 6071 1 OT-LBD aAY RA 8 6565 6565 0 OT-LBD DMY RM 07/14/10 7 6708 6708 1 O7-LBD CMY RA 6 6932 6932 1 OT-LBD !)MY RA 5 7072 7072 1 OT-LBD OMY RA 4 7373 7371 10 OT-LBD OM1' RA 3 7519 7514 13 Oi-LBD DAM RA 2 7860 7844 17 OT -LBO OMY RA 1 8007 7983 20 CT-LBD OM2' IN 06/04/13 D = 4.562' X 412' I4-12' OTS X NP, D= J.51 J- 3.70' PBR w /3.81' NO GO IANDm ON XN PBR (11/1995), ID= 3.0' 830T 1412' OTS XN fR D = 3.725 8334' 412' BAKE2 TBG 7AL 8682'11 TOP OF CIMENT SHEATH PER SCMT ON 06/19116 8307' RMD TT LOWED 03/05/83 8810' 35K8 BKR PKR w/PTSA, D= 1.8 8814' 2.70' DEPLOYMENT SLE1/ 2.2 ID=1.92' 8817' 11 2-7/8' R NP, D =1.781' -M�LLOUT WNDOW (E -12A) 8850'-8860' 112-BKRR(RWSw/XL =1-995' 1--1 11430' PRIDHOE BAY UNIT VYB-L E -12A PERMIT No: 216-127 AR No: 5402920782-01 SEE 6. T11 Nt R14E, 57Y FTL 8500' FH. DATE REV BY OOATRE4TS DATE RB/ BY OOMa1BVI5 03/16183 ORIGINAL COMPLETION 01/11/18 JNUJMD TTV PBTD DETIH 12/27/17 N -CORE CTD ST (&12A) 0123118 ZBIJMD EDITED DEPLY SLV w /SEALBORE 1228/17 JND DRLG HD CORRECTIONS 0123118 ZB/JND FWILOEAPPROVAL 01/10/18 JMJJMD OOIiFECT® PEE DEPTHS 06/07118 JOYJVD CORRECf®70 DEC -DANGLE 01/10/18 GJB/JIvD SET PKRw/PTSA BAP 0624/19 BGIJAD REEFFSANDADPERFS SP Exploration (Alaska) 01/1018 GJBIJ D GLV CIO (01103118) r 0 N o co o CO(N J CO J O o J Q a OI W_ 01 W • a, 4 ° pp .- J J .X„ N CO @ o a o _W Jl w J� " = r Z N Q a0 M LL Q LL Q Oe. 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O O 0) N O J a c J d = a E 0 '62 0 0 a co c y C r O O c O a) O N a E Q N I M V N• U � Z c i I c-, M () } e I a) a) M Q I 1 00 Q rV I a r, p E I Z OW wo O Tis' 03 W m N g C F E1 1 • Wt co fow 7) Cl) ) p co N cp re p C N 411110,H 0. 0 • N rD Q O a a) O0 Eo • 0 >. ' m N- co co 0 0 • N N c Q N N = O c0 V O I w N A- C 0I (6 O N O w W I >- csi ~ 00 Cco 1 W E QCe N cc0 si N I d 0 O y d 1 Tsas O Z Qj > E E m d G M M (o O d' H m V 0 u) c as Z H c Z c (6 O N O O N o Q O c0 Q O 0 :+ C C U E 0 O a 0 a.C a ai 0 E a O d co N u' 0 Ov N 0 o N d o 0 0. 2 _ 3 3 0 Cr_ C7 U 0 CC p 0 0 • . 21 6127 BA ER PRINT DISTRIBUTION LIST 29 007 uGHEs a GE company p� Please sign and return one copy of this transmittal form to: COMPANY BP Exploration Alaska Inf.{EC E'VE BP Exploration(Alaska) Inc. DATA LOGGED ■ l 1. /20111 Petrotechnical Data Center,LR2-1 M K.BENDER WELL NAME E-12A 900 E. Benson Blvd. JAN 3 0 2018 Anchorage,Alaska 99508 or AKGDMINTERNAL@bp.com FIELD Prudhoe Bay Unit to acknowledge receipt of this data. AOGCC PRUDHOE BAY ' `®GCC LOG TYPE RPM:PNC3D BHI DISTRICT Alaska LOG DATE January 3,2018 AUTHORIZED BY Paul Canizares EMAIL Paul.Canizares(a�bhge.com TODAYS DATE January 29,2018 Revision STATUS Final Replacement: No Details: Rev. Requested by: COMPANY FIELD/ FINAL CD/DVD FINAL PRELIM LOGS (las,dlis,PDF,META, SURVEY REPORT ADDRESS(FEDEX WILL NOT DELIVER TO P.O.BOX) LOGS CGM,Final Surveys) (Compass) PERSON ATTENTION #OF PRINTS #OF PRIN I b #OF COPIESn #OF COPIES #OF COPIES BP North Slope. 0 1 1 0 EOA,PBOC,PRB-20(Office 109) D&C Wells Project Aides Attn:Benda Glassmaker&Peggy O'Neil 1900 E.Benson Blvd. Anchorage,Alaska 99508 2 ConocoPhillips Alaska Inc. 0 0 1 0 Attn:Ricky Elgarico ATO 3-344 700 G Street Anchorage,AK 99510 3 ExxonMobil,Alaska 0 0 1 0 Attn:Lynda M.Yaskell and/or Lisa Boggs 13201 C Street,Suite 505 Anchorage,AK 99503 4 State of Alaska -AOGCC 0 1 1 0 Attn:Makana Bender 333 W.7th Ave,Suite 100 Anchorage,Alaska 99501 5 DNR-Division ofOil&Gas *** 0 0 1 0 Attn:Garret Brown 550 West 7th Avenue,Suite 1100 Anchorage,Alaska 99501 ***Stamp"confidential"on all material deliver to DNR 6 BP Exploration(Alaska)Inc. Petrotechnical Data Center,LR2-1 900 E.Benson Blvd. Anchorage,Alaska 99508 Attn: Gerardo Cedillo TOTALS FOR THIS PAGE: 0 2 5 • • Link, Liz M (DOA) From: Lastufka, Joseph N <Joseph.Lastufka@bp.com> Sent: Tuesday,January 30, 2018 5:17 PM To: AOGCC Reporting (DOA sponsored) Subject: POP PBU E-12A/ PTD # 216-127 Hello, Please reference the following well: Well Name: PBU E-12A Permit#: 216-127 API #: 50-029-20782-01-00 Date of Test: 1/23/18 Type of Test: IPT (Initial Production Test) Choke Size: 96 Choke Unit: Production Method: Flowing Duration (Hours Tested): 12 Top Reference (Top Perf MD): 11353' Bottom Reference (Bottom Perf MD): 11418' Tubing Flowing (Pressure): 260 Casing Pressure: 1600 Total Test Rate (0, G, W): 658/4996/71 24-Hour Rate (0, G, W): 1315/9991 /142 Gravity (Oil, API): Not Available GOR (Gas-Oil Ratio): 7597 This well began Production on Method of Operations on this date: January 23, 2018 • 1 RBDMS /A.,F113 - 1 2118 STATE OF ALASKA RECEIVED WEL�LASKA OIL AND GAS CONSERVATION COMN MP ETION OR RECOMPLETION REPAND LOG la. Well Status: Oil 0 ' Gas ❑ SPLUG 0 Other 0 Abandoned 0 Suspended 0 1b.Wjj s:1 2 2018 20AAC 25.105 20AAC 25.110 Development 0,Exploratory 0 GINJ 0 WINJ 0 WAG 0 WDSPL 0 No.of Completions: One Service ❑ Stratigr�aphic�Test 0 2. Operator Name: 6. Date Comp.,Susp.,or Aband.: 14. '4 rr ■v V(35undry BP Exploration(Alaska),Inc 12/26/2017 216-127 • 3. Address: 7. Date Spudded: 15 API Number: P.O.Box 196612 Anchorage,AK 99519-6612 12/13/2017 50-029-20782-01-00 • 4a. Location of Well(Governmental Section): 8. Date TD Reached: 16. Well Name and Number: 12/20/2017 PBU E-12A • Surface: 573'FNL,500'FEL,Sec.06,T11N,R14E,UM • 9 Ref Elevations KB 64 27 17. Field/Pool(s): Top of Productive Interval: 45'FSL,510'FEL,Sec.31,T12N,R14E,UM GL 30.42 - BF 31.12 - PRUDHOE BAY,PRUDHOE OIL' Total Depth: 790'FNL,1305'FWL,Sec.05,T11N,R14E,UM 10. Plug Back Depth(MD/TVD): 18. Property Designation: • 11418'/9124' ' ADL 028304&028299 4b. 4b.Location of Well(State Base Plane Coordinates,NAD 27): 11. Total Depth(MD/TVD): 19. DNR Approval Number: Surface:x- 664455 . y- 5976491 • Zone - ASP 4 • 1143V/9120' • 89-111 TPI: x- 664429 y- 5977108 Zone - ASP 4 12. SSSV Depth(MD/TVD): 20 Thickness of Permafrost MD/TVD: Total Depth:x- 666266 y- 5976314 Zone - ASP 4 None 2020'/2020' 5. Directional or Inclination Survey: Yes 0 (attached) No 0 13. Water Depth,if Offshore: 21. Re-drill/Lateral Top Window MD/TVD: Submit electronic and printed information per 20 AAC 25.050 N/A (ft MSL) • 8850'/8770' • 22. Logs Obtained List all logs run and,pursuant to AS 31.05.030 and 20 AAC 25.071,submit all electronic data and printed logs within 90 days of completion, suspension,or abandonment,whichever occurs first.Types of logs to be listed include,but are not limited to:mud log,spontaneous potential,gamma ray,caliper, resistivity,porosity,magnetic resonance,dipmeter,formation tester,temperature,cement evaluation,casing collar locator,jewelry,and perforation record. Acronyms may be used.Attach a separate page if necessary MWD/GR/RES,GR/CCL/RPM 23. CASING,LINER AND CEMENTING RECORD CASING WT.PER GRADE SETTING DEPTH MD SETTING DEPTH TVD HOLE SIZECEMENTING RECORD AMOUNT FT. PULLED TOP BOTTOM TOP BOTTOM 20"x 30" 37' 116' 37' 116' 36" 8 cu yds Concrete 13-3/8" 72# L-80 37' 2693' 37' 2693' 17-1/2" 3650 cu ft Permafrost II 9-5/8" 47# L-80 33' 8772' 33' 8698' 12-1/4" 1205 cu ft Class'G',130 cu ft Permafrost C 7" 26# L-80 8292' 8850' 8249' 8770' 8-1/2" 340 cu ft Class'G' 3-1/2" 9.2# L-80 8302' 8850' 8259' 8770' Scab Liner 18 Bbls Cement 2-3/8" 4.7# L-80 8810' 11430' 8733' 9120' 3-1/4" 77 sx Class'G' 24. Open to production or injection? Yes 0 No 0 25. TUBING RECORD If Yes,list each interval open(MD/TVD of Top and Bottom;Perforation GRADE DEPTH SET(MD) PACKER SET(MD/TV Size and Number): - 5-1/2"17#L-80 8335' 8224'/8186' 1.56"Gun Diameter,6 spf x 4-1/2"12.6#L-80 11353'-11418' 9144'-9124' 26. ACID,FRACTURE,CEMENT SQUEEZE,ETC. Was hydraulic fracturing used during completion? Yes 0 No 0 • c i iC iti Per 20 AAC 25.283(i)(2)attach electronic and printed information I Z/Z f-Pk(1 DEPTH INTERVAL(MD) AMOUNT AND KIND OF MATERIAL USED 2500' Freeze Protect w/58 Bbls Diesel (%L- L 27. PRODUCTION TEST Date First Production: Not on Production Method of Operation(Flowing,gas lift,etc.):N/A Date of Test: Hours Tested: Production for Oil-Bbl: Gas-MCF: Water-Bbl: Choke Size_ Gas-Oil Ratio: Test Period mxx.r. Flow Tubing Casing Press: Calculated Oil-Bbl: Gas-MCF: Water-Bbl: Oil Gravity-API(corr): Press 24 Hour Rate ..M► Form 10-407 Revised 5/2017 CONTINUED ON PAGE 2 Submit ORIGINAL only 1r77- i/26/li) ,.e#0, RBDtVIS L'/JAN 1 6 2(18 (•3o,i6 28. CORE DATA Conventional Core(s) Yes 0 No 0 ' Sidewall Cores Yes El No Il . If Yes to either question,list formations and interva s cored(MD+TVD of top and bottom of each),and summarize ethology and presence of oil,gas or water (submit separate sheets with this form,if needed).Submit detailed descriptions,core chips,photographs and laboratory analytical results per 20 AAC 25.071. 29. GEOLOGIC MARKERS(List all formations and markers encountered): 30. FORMATION TESTS NAME MD ND Permafrost-Top Well Tested? Yes 0 No El . Permafrost-Base If yes,list intervals and formations tested,briefly summarizing test results.Attach Top of Productive Interval 9153' 9006' separate sheets to this form,if needed,and submit detailed test information per 20 AAC 25.071. Sadlerochit-Zone 4 8888' 8805' CGL-Zone 3 8992' 8892' Base of CGL-Zone 2C 9076' 8956' 23SB-Zone 2B 9153' 9006' 21 TS-Zone 2A 10765' 9112' Zone 1B 10995' 9174' Zone 2B(Invert/Fault) 11224' 9182' • Formation at total depth: Zone 2B(From Base) 11224' 9182' 31. List of Attachments: Summary of Daily Drilling Reports,Survey,Cement Report,Wellbore Schematic Diagram Information to be attached includes,but is not limited to:summary of daily operations,wellbore schematic,directional or inclination survey,core analysis, paleontological report,production or well test results,per 20 AAC 25.070. 32.I hereby certify that the foregoing is true and correct to the best of my knowledge. Authorized Name: Lastufka,Joseph N Contact Name: Browning,Zachary H Authorized Title: Info at n and Data ontro r Contact Email: Zachary.Browning@bp.com Authorized Signature: k ate: (If I V Contact Phone: +1 907 564 5220 INSTRUCTIONS General:This form is designed for submitting a complete and correct well completion report and log on all types of lands and leases in Alaska.Submit a well schematic diagram with each 10-407 well completion report and 10-404 well sundry report when the downhole well design is changed. All laboratory analytical reports regarding samples or tests from a well must be submitted to the AOGCC,no matter when the analyses are conducted. Item 1a. 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 1b.Well Class Service wells:Gas Injection,Water Injection,Water-Alternating-Gas Injection,Salt Water Disp,Water Supply for Injection,Observation or Other. Item 4b.TPI(Top of Producing Interval). Item 9. The Kelly Bushing and Ground Level elevations in feet above mean sea level.Use same as reference for depth measurements given in other spaces on this form and in any attachments. Item 15.The API number reported to AOGCC must be 14 digits(ex:50-029-20123-00-00). Item 20.Report true vertical thickness of permafrost in Box 20.Provide MD and ND for the top and base of permafrost in Box 29. Item 22.Review the reporting requirements of 20 AAC 25.071 and,pursuant to AS 31.05.030,submit all electronic data and printed logs within 90 days of completion,suspension,or abandonment,whichever occurs first. Item 23.Attached supplemental records should show the details of any multiple stage cementing and the location of the cementing tool. Item 24.If this well is completed for separate production from more than one interval(multiple completion),so state in item 1,and in item 23 show the producing intervals for only the interval reported in item 26.(Submit a separate form for each additional interval to be separately produced, showing the data pertinent to such interval). Item 27.Method of Operation:Flowing,Gas Lift,Rod Pump,Hydraulic Pump,Submersible,Water Injection,Gas Injection,Shut-in,or Other(explain). Item 28.Provide a listing of intervals cored and the corresponding formations,and a brief description in this box.Submit detailed description and analytical laboratory information required by 20 AAC 25.071. Item 30.Provide a listing of intervals tested and the corresponding formation,and a brief summary in this box.Submit detailed test and analytical laboratory information required by 20 AAC 25.071. Item 31.Pursuant to 20 AAC 25.070,attach to this form:well schematic diagram,summary of daily well operations,directional or inclination survey,and other tests as required including,but not limited to:core analysis,paleontological report,production or well test results. Form 10-407 Revised 5/2017 Submit ORIGINAL Only TREE= WELLHEAD= GRAY SA NOTES:WELL ANGLE>70°@ 10785'. ACTUATOR= J M D D RF T E_1 2 ° M LS:34° ` 9381. OKB.ELEV 64.3' REF ELB/ 64.27' 2086' H5-1/2"OTS SSSV RQM LAND NP,D=4.562" BF-REV= 31-12' © KOP= 7400' GAS LET MANDRELS Max Angle= 109"Q 11356' ST MD TVL) DEV TYPE VLV LATCH FOR DATE i Datum MD= 8957' 12 3014 3014 0 OT-LBD DOME RM 16 01/03/18 DatumTVD= 8800'SS 11 4868 4868 1 OT-LBD DMY RA 10 5931 5931 0 OT-LBD SO RM 20 01/03/18 13-3/8"CSG,72#,L-80,D=12.347" -I 2693' 9 6071 6071 1 OT-LBD DMY RA 8 6565 6565 0 OT-LBD DMY RM 07/14/10 7 6708 6708 1 OT-LBD DMY RA 6 6932 6932 1 OT-LBD DMY RA Minimum ID = 1.781" t@ 8817' 5 7072 7072 1 OT-LBD OW RA 4 7373 7371 10 OT-LBD OW RA 2-3/8" R NIPPLE IN PKR w/PTSA 3 7519 7514 13 OT-LBD DMY RA 2 7860 7844 17 OT-LBD OW RA 1 8007 7983 20 OT-LBD DMY RM 06/04/13 8152' H5-1/2"OTS XA SLUNG SLV,D=4.562" I I 8203' H 5-1/7 TUBWG SEAL ASSY 5-1/2"TBG,17#,L-80,.0232 bpf,D=4.892" 1-H 8226' - I I 8223' H5-1/2"x 4-1/2"XO TOP OF 4-1/2"TBG 8225' kM ►, 8225' -19-5/6"X 4-1/2"BKR SAB PKR,D=3.813" 8267' -14-1/2"OTS X NP,D=3.813" TOP OF 7"LM -` 8292' N Fl 8300' -3.70'PBR w/3.81"NO GO LANDED ON TOP OF 3-1/2"LM j- 8302' 1 1111 XN PBR(11/1995),D=3.0" 8302• -14-112"OTS XN NP D=3.725" 4-1/2"TBG,12.6#,L-80,.0152 bpf,D=3.958" 8334• 11 $334' H4-1/2"BAKER TBGTAL 8592' 1-TOP OF CEMENT SI-EATH 1111 1111 1 1 PER SCMT ON 06/19/16 9-5/8"CSG,47#,1-80,D=8.681• 8772' 111 1111 # I ►11 I 8307' Ellyn TT LOGGED 03/05/83 111 111 ---- � Ellyn 111 OA 8810' 35K6 BKR PKR w/PISA,D=1.83"(01/03/18) I. ��r.r ��- 111' 'kt 8814' - 2.70"Dull OY MI NT>I Fr V r,In 109" I 1111 ���1�1 --------- ----------- PERFORATION SUMMARY � 11 111 I�'1•1 8817' H2-7/13*R NP,D=1.781" 11 REF'LOG: BM ON 12/20/17 11111 14111 111 .1 MLLOUTWINDOW(E 12A)8850'-8860' • ANGLE AT TOP FEW:109"a' 10350' 1 111 I. `_41 Nate:Refer to Production DB for historical pert data 111 11 8850' •3-1/2"BKR PKR WS w/XL TRAY&RA NT SQE SPF BWAL Opn/Sgz SHOT SQZ 1111 1i111 TAG(11/05/17) 1.56" 6 11353-11418 0 12/25/17 • 111 44 1111 • 1%4 11111 I 10211' !H PUP JT w/RA TAG 1 4., ,1811 13-1/2"SCAB LW,9.2#,L-80,.0087 bpf,D=2.992" H 9137' I 17"LMR,29#,L-80 BUTT,.0371 bpf,D=6.184" --I 9390' ` KM 9422' 1111111111111 FBTD 11418' 7"LNR,26#,L-8o u4S,.0383 bpf,0=6.276" 9470' 1.1. •1.1.1.1.1.1.1 2-3/8"LMR,4.7#,L-80 HYD 511/S I, , 0039 bpf D=1.995' ---1 11430' DATE REV BY COMvUNTS DATE REV BY COMMENTS PRUDHOE BAY INT 03/16/83 ORIGINAL COMPLETION 01/11/18 JNUJMD CORRECTED FBTD DEPTH WELL: E 12A 12/27/17 N-CDR2 CTD ST(E-12A) FERMI No: 12128/17 JIM DRLG HO CORRECT1ONS API No: 50-029-20782-01 01/10/18 JNJJIA) CORRECTED PERE DEPTHS SEC 6,T11 N,R14E,573'FM &500'FEL 01/10/18 GJB/JM) SET FKR w/FTSA&NP 01/10/18 GJB/JMD GLV C/O(01/03/18) BP Exploration(Alaska) e • North America-ALASKA-BP Page 1 of 16 Operation Summary Report Common Well Name:E-12 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date:12/7/2017 End Date:12/20/2017 X3-0184F-C:(2,733,848.00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:CDR-2 Spud Date/Time:4/19/1982 12:00:OOAM Rig Release:12/26/2017 Rig Contractor:NABORS ALASKA DRILLING INC. BPUOI:USA00000697 Active datum:KB©64.27usft(above Mean Sea Level) Date From-To Hrs Task Code NPT Total Depth Phase I Description of Operations (hr) (usft) 12/7/2017 19:00 - 21:00 2.00 RIGD P PRE SECURE PIPE AT REEL INSPECT CHAINS,FOUND SOME CRACKED PEANUT LINKS CHANGE OUT GRIPPER BLOCKS CHANGE OUT PACKOFF BRASS AND ELEMENTS OPEN BOMB BAY DOORS TO SEE IF IT IS MANAGEABLE WITH THE WIND IT IS-CALL FOR REEL 21:00 - 00:00 3.00 RIGD P PRE LPJSM.REMOVE REEL IRON AND COUNTERS. -BEGIN CHANGING RAMS IN BOPE -PREPARE FOR SPOOLING BACK COIL 12/8/2017 00:00 - 06:00 6.00 RIGD P PRE PRE JOB MEETING.REVIEW PROCEDURE. UNSTAB COIL FROM INJECTOR AND SPOOL UP. '-SECURE COIL.PHASE 2 WEATHER CALLED T_ @ 04:00 HRS. 06:00 - 18:00 12.00 RIGD P PRE NIPPLE DOWN BOPE STACK. -SET ON C PLATE AND BRIDGE CRANES. -C/O GRIPPER BLOCKS TO 2" -CIO STRIPPER BRASS&PACKOFFS. -PHASE 2,NO CRANE WORK TO BE DONE FOR GOOSENECK REMOVAL. 18:00 - 00:00 6.00 RIGt P PRE f CALL FOR TRUCKS FOR REEL SWAP -PRE JOB WITH CREW AND TRUCK DRIVER. -LOWER 2 3/8"COIL ON TO TRUCK,PICK UP 2"REEL. -INSTALL SADDLE CLAMPS&C/O ROLLERS ON HORSE HEAD. 12/9/2017 00:00 - 06:00 6.00 RIGD P PRE STILL PHASE 2 WEATHER CONDITIONS. -PRE JOB MEETING TO LOWER GOOSENECK. -LOWER GOOSENECK,CHANGE OUT ROLLERS ON GOOSENECK. -PHASE 1 WEATHER CONDITIONS @ 06:00 HRS. 06:00 - 18:00 12.00 RIGD P PRE PJSM.REINSTALL GOOSENECK. -STAB COIL INTO INJECTOR,CUT AND DRESS COIL. -RE HEAD AND TEST,INSTALL NABORS DIMPLE CONNECTOR. -PULL TEST TO 50K,GOOD.INSTALL INNER REEL IRON. 18:00 - 00:00 6.00 RIGD P PRE 1 PJSM. INSTALL REEL AND INJECTOR !COUNTERS.CHANGE PACKOFFS. -INSTALL SHIMS ON REEL HUB,GREASE CHOKE MANIFOLD. -WORK ON RIG DOWN CHECK LIST. -WORKING ON SNOW REMOVAL ON K PAD ACCESS ROAD AND E PAD. 12/10/2017 00:00 - 06:00 6.00 RIGD N PRE CONTINUE TO WORK ON RIG DOWN CHECK LIST. -ROADS AND PADS WORKING ON REMOVING SNOW ON K PAD ACCESS ROAD AND E PAD. -PRE SPUD MEETING WITH CREW. 06:00 - 10:15 4.25 RIGD N PRE E-PAD IS STILL NOT CLEAR FOR US TO MOVE THE RIG ON TO THE PAD.LOOKS LIKE IT MAY BE A FEW MORE HOURS TO CLEAN. Printed 1/11/2018 4.56:51PM `AII depths reported in Drillers Depths* . North America-ALASKA-BP Operation Summary Report ' '//, Common Well Name.E-12 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date:12/7/2017 End Date:12/20/2017 X3-0184F-C:(2,733,848.00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:CDR-2 Spud Date/Time:4/19/1982 12.00:00AM Rig Release:12/26/2017 Rig Contractor:NABORS ALASKA DRILLING INC. BPUOI:USA00000697 Active datum:KB @64.27usft(above Mean Sea Level) Date From-To Hrs Task Code NPT Total Depth Phase Description of Operations (hr) (usft) 10:15 - 10:40 0.42 RIGD P PRE HOLD A PJSM WITH NABORS&NES TRUCKING CREW TO MOVE RIG OFF WELL AND TO E-PAD REVIEW PROCEDURE TO MOVE OFF THE WELL REVIEW USE OF 12X12 STOP BLOCK,STOP COMMAND AND GOOD RADIO COMMUNICATIONS. INVITE PAD OP TO WITNESS MOVE OFF WELL,DECLINED BUSY WITH OTHER OPS 10:40 - 12:20 1.67 RIGD P PRE PULL MUD MODULE AWAY AND STAGE AT ENTRANCE TO PAD VERIFY ALL TREE AND CASING VALVES ARE CLOSED PULL SUB AWAY FROM WELL CONTACT PAD OP TO LET HIM KNOW TREE AND CASING VALVES ARE ALL CLOSED, ASKED US TO OPEN THE CASING VALVES TO THEGAUGES LEFT CASING VALVES OPEN TO THE GAUGES 12.20 - 14:30 2.17 RIGD P PRE USED CAT TO PULL PITS AND SUB MODULES UP TO THE DS14 ACCESS RD 14:30 - 18:00 3.50 RIGD P PRE PITS AND SUB MODULE ON THE ACCESS ROAD,TP DRIVING ROUTE TO E-PAD,START MOVING TO E-PAD 18:00 - 00:00 6.00 RIGD P PRE RIG MODULES AT E PAD ENTRANCE @ 18:30 HRS. -SNOW REMOVAL STILL IN PROGRESS,BUT ABLE TO MOVE ON TO PAD. -ANNULI ON WELL ARE 0 PSI AND SHUT IN. -DRILL SITE OPERATOR WAIVED WITNESSING MOVING OVER THE WELL. -PRE JOB WITH THE TRUCKERS.STOP COMMAND AGREED ON. -STRESS ON NOT MOVING UNLESS A COMMAND IS UNDERSTOOD AND VERIFIED. -12 X 12 STOP BLOCK IN PLACE.RADIO COMMUNICATIONS AGREED UPON. -SPOT MUD PITS ON FAR SIDE OF WELLAND BEGIN SPOTTING SUB OVER WELL. -VERY TIGHT WITH A LIGHTPOLE,WORK AROUND AND USE(2)TRUCKS. -ALOT OF BACK AND FORTH MANEUVERING. _ -SPOTTED SUB OVER WELL @ MIDNITE. 12/11/2017 00:00 - 04-00 4.00 RIGU P PRE BUTTON UP SUB MODULE AFTER SPOTTING ON WELL. -PRE JOB WITH NEW CREW COMING ON. -BEGIN MUD PIT MODULE SPOTTING OPERATION. -PHASE 2 WEATHER ALERT GIVEN @ 02:00 HRS. -FINISH SPOTTING MUD PIT MODULE AND BUTTON UP. -RIG ACCEPTED @ 04.00 HRS. 04.00 06:00 2.00 RIGU P PRE WORK ON RIG UP CHECK LIST. Printed 1/11/2018 4:56:51PM *All depths reported in Drillers Depths* . North America-ALASKA-BP Page 3 of 16 Operation Summary Report Common Well Name:E-12 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date:12/7/2017 End Date:12/20/2017 X3-0184F-C:(2,733,848.00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:CDR-2 Spud Date/Time:4/19/1982 12:00:00AM Rig Release:12/26/2017 Rig Contractor:NABORS ALASKA DRILLING INC. BPUOI:USA00000697 Active datum:KB @64.27usft(above Mean Sea Level) Date From-To Hrs Task Code NPT Total Depth Phase r Description of Operations (hr) (usft) 06:00 - 09:00 3.00 RIGU P PRE CREW CHANGE CONTINUE WORKING ON RU CHECKLIST AND WORKING IN PAIRS ATA MINIMUM WHEN GOING OUTSIDE.NOTIFY DRILLER TOOL PUSHER OR MYSELF IF THEY NEED TO GO OUTSIDE FOR ANY REASON. E-PAD IN THE LAST 24-HRS WENT FROM CLEAR OF SNOW TO MULTIPLE 5-8'DRIFTS. WE ARE CURRENTLY ABLE TO KEEP A PATH OPEN TO THE K-PAD ACCESS ROAD WITH THE LOADER TO CONTINUE OPERATIONS.I HAVE ASKED TO LOADER OPERATOR TO LET ME KNOW IF HE CAN'T KEEP A PATH OPEN,IF HE IS NOT ABLE TO WE WILL SUSPEND OPERATIONS UNTIL WE CAN. 09:00 - 09:20 0.33 WHSUR P ' PRE LTT THE MASTER&SWAB BEFORE BREAKING CONTAINMENT TO NU THE BOPE 09:20 - 16:00 6.67 BOPSUR P PRE GOOD LTT,ND TREE CAP AND MU BOPE HAVE GREASE CREW SERVICE MASTER VALVE 16:00 - 17:00 1.00 BOPSUR P PRE FLUID PACK STACK,2 DOORS LEAKING, BLOW DOWN AND REPLACE SEALS 17:00 - 23:00 6.00 BOPSUR P PRE BOPE PRESSURE TEST.DOWN GRADED TO PHASE 1©20:00 HRS. 7 1/16"BOPE CONFIGURATION FROM TOP DOWN. ANNULAR,BLIND/SHEARS,2"PIPE/SLIPS, MUD CROSS,2 3/8"PIPE/SLIPS,2" PIPE/SLIPS. -TEST ALL RAMS,250 PSI/LOW,3500 PSI/ HIGH,5 MIN EACH,CHARTED. -TEST CHOKE MANIFOLD VALVES,250/3500 PSI,5 MIN EACH,CHARTED. ' -TEST ANNULAR PREVENTOR,350 PSI/LOW, 2500 PSI/HIGH,CHARTED. -(1)FAIL/PASS ON 2"SLIP/PIPES,CYCLED (1)TIME. NO FAILURES.AOGCC REP GUY COOK WAIVED WITNESSING TEST. -PERFORM DRAWDOWN TEST ON ACCUMULATOR. 23:00 - 00:00 1.00 BOPSUR P PRE PJSM.CHANGE OUT RISER,GET RKB. -PERFORM BACKWARDS TEST ON VALVES C-9 AND C-10,250/3500 PSI,5 MIN EACH, CHARTED. 12/12/2017 00:00 - 03:30 3.50 RIGU P PRE PJSM.REBOOT E LINE. -FLUID PACK COIL W/WATER. -PRESSURE TEST INNER REEL IRON AND BULKHEAD TO 4700 PSI,GOOD TEST. 03:30 - 04:00 0.50 RIGU P PRE RIG EVACUATION DRILL,(H2S RELEASE IN CELLAR). -EVACUATED TO MUSTER AREA,SITE CONTROL NOTIFIED DRILL SITE OPERATOR. -ALL HANDS MUSTERED AND HEAD COUNT, 4 MINUTES TO MUSTER. -AAR INCLUDED REVIEW OF PROCEDURE, VENTILATING AND LOW LEVELALARM PROCEDURE. -HOW WE SECURE THE WELL AND DOUBLE BLOCKING. 04:00 - 06:00 2.00 RIGU P PRE PREP TO CUT 500'OF COIL. Printed 1/11/2018 4:56:51PM *AIL depths reported in Drillers Depths* • North America-ALASKA-BP • Page 4 of 16 Operation Summary Report Common Well Name:E-12 AFE No Event Type:RE-ENTER-ONSHORE(RON) ' Start Date:12/7/2017 End Date:12/20/2017 X3-0184F-C:(2,733,848.00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:CDR-2 Spud Date/Time:4/19/1982 12:00:00AM Rig Release:12/26/2017 Rig Contractor:NABORS ALASKA DRILLING INC. BPUOI:USA00000697 Active datum:KB @64.27usft(above Mean Sea Level) Date From-To Hrs Task Code NPT Total Depth Phase Description of Operations (hr) (usft) 06:00 - 07:00 1.00 RIGU P PRE CUT 500'OF COILAND 500'OF E LINE. 07:00 - 07:45 0.75 RIGU P PRE GREASE CEW ON LOCATION TO CHECK TREE BOLTS 07:45 - 09:20 1.58 RIGU P PRE TREE BOLTS CHECKED,PU THE INJECTOR, PREP THE COIL FOR THE CTC,MU THE CTC AND PULL TEST TO 50K 09:20 - 10:30 1.17 RIGU P PRE -'GOODPULLTEST,FLUIDPACKTHECOILTO PT THE CTC 10:30 - 10:50 0.33 RIGU P PRE PJSM TO LOAD METH INTO COIL,PUMP SLACK FORWARD AND OPEN UP TO THE WELL ONCE WE SEE METH AT THE OUT MM 10:50 - 11:20 0.50 RIGU P PRE PUMP METH INTO COIL(19 BBLS)FOLLOWED BY KCI 11:20 - 11:30 0.17 RIGU P PRE OPEN WELL TO A CLOSED CHOKE,NO PRESSURE OPEN CHIOKE,NO FLOW,FILL HOLE,TOOK 1.7 BBLS SHUT DOWN PUMP 11:30 - 12:00 0.50 RIGU P PRE FLOW CHECK WELL,WELL BORE STABLE, FLUID LEVEL STATIC. 12:00 - 14:00 2.00 STWHIP P WEXJT PRE JOB MEETING ON BHA MAKE UP. MAKE UP WINDOW MILLING BHA. -INJECTOR ON WELL @ 13:50 HRS. -PT QTS/3500 PSI,GOOD. 14:00 - 20:00 6.00 STWHIP P 8,186.00 WEXIT RIH W/WINDOW MILLING ASSEMBLY. -PUMPING MIN RATE,(.25 BPM/100 PSI. - -STOPPING PERIODICALLY TO CHECK REEL AND EQUIPMENT ASSOCIATED WITH REEL SWAP. -TIE IN W/GAMMA,8140'-8186'.MINUS 31/2' 'CORRECTION. -RUN ON DOWN TO 8800',BRING UP RATE TO 2 BPM @ 1900 PSI,CIRCULATE KCL,(290 BBLS,NO GAS ENCOUNTERED). -FOLLOW WITH 8.6 PPG DRILLING MUD,2.45 BPM/3670 PSI,CIRCULATING KCL TO TIGER TANK. -8.65 PPG MUD ALL THE WAY AROUND, CLOSE EDC. 20:00 00:00 4.00 STWHIP P 8,847.30 WEXIT ESTABLISH PARAMETERS.37K UP WT,26K DOWN WT. -DRY TAG @ 8845',PICK UP AND BRING ON PUMP. -1.79 BPM IN./1.82 BPM OUT, 8.71 PPG IN/ 8.65 PPG OUT. -2800 PSI FREE SPIN PRESSURE©1.79 BPM. -TAG AND COMMENCE TIME MILLING WINDOW @ 8844.8'.MILLING 1'/HR AS PER PROGRAM. -MILL TO 8847.3'.ON BOTTOM PRESSURE= 3000 PSI©1.79 BPM. Printed 1/11/2018 4 56:51 PM *AII depths reported in Drillers Depths* iNorth America-ALASKA-BP • Page 5 oris Operation Summary Report Common Well Name:E-12 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date:12/7/2017 End Date:12/20/2017 X3-0184F-C:(2,733,848.00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:CDR-2 Spud Date/Time:4/19/1982 12:00:00AM Rig Release:12/26/2017 Rig Contractor:NABORS ALASKA DRILLING INC. BPUOI:USA00000697 Active datum:KB @64.27usft(above Mean Sea Level) Date From-To Hrs Task Code NPT Total Depth Phase Description of Operations (hr) (usft) 12/13/2017 00:00 - 03:00 3.00 STWHIP P 8,850.00 WEXIT CONTINUE TO MILL 1ST STAGE OF 2 STAGE WINDOW. -37K UP WT,26K DOWN wr. -1.79 BPM IN./1.82 BPM OUT, 8.71 PPG IN/ 8.65 PPG OUT. -2800 PSI FREE SPIN PRESSURE©1.79 BPM. TIME MILLING WINDOW @ 8844.8'.MILLING 1'/HR AS PER PROGRAM. -MILL FROM 8847.3'-8,850.8'.ON BOTTOM PRESSURE=3000 PSI @ 1.79 BPM -DID NOT APPEAR TO CONTACT 7"CASING DURING THIS RUN,BASED ON MILLING PARAMETERS, PUMP 5 BBLS HI-VIS SWEEP AROUND AT THE END OF THE MILLING RUN. 03:00 - 04:15 1.25 STWHIP P 8,859.00 WEXIT ,CONDUCT 3 REAMING PASSES AT 1 FT/MIN. SLIGHT MOTOR WORK SEEN ON THE DOWN PASSES RIGHT AT WINDOW TOP,NO DWOB. DRY DRIFT IS CLEAN TO 8,850.8'. 10 MIN PUMPS OFF FLOW CHECK IS GOOD, NO FLOW. 04:15 - 06:00 1.75 STWHIP P 8,850.00 WEXIT POOH WITH FIRST MILLING BHA. MONITOR WELL FOR 10 MINUTES:STATIC 1-MUD WEIGHT:8.63 PPG IN,8.64 PPG OUT -RATE:2.4 BPM IN,2.1 BPM OUT OPEN EDC,RATE:2.4 BPM.CIRC PRESSURE: 3,490 PSI 06:00 - 07:45 1.75 STWF(lP P 8,850.0Q WEXIT MONITOR WELL FOR 10 MINUTES AT BHA: STATIC -CLOSE EDC,POWER DOWN -INJECTOR OFF:06:15 -MILLAND REAMER ARE BOTH 2.80"NO-GO. MAKE UP 2.80"MILLING BHA#2 -PICK UP 2-3/8"WFT FIXED 1.25 DEG MOTOR WITH 2.80 FAT RADIUS MILL AND REAMER AND 2-3/8"COILTRAK TOOLS -MILL AND REAMER BOTH 2.80 NO-GO. -SURFACE TESTED COILTRAK TOOL.GOOD TEST. -PRESSURE TEST QTS TO 3,500 PSI HIGH FOR 5 MINUTES -INJECTOR ON:07:30 07:45 - 11:00 3.25 STWHIP P 8,857.00 WEXIT RIH WITH MILLING BHA#2. -RATE:1 BPM IN,1.4 BPM OUT.CIRC PRESSURE:1,300 PSI -MUD WEIGHT:8.60 PPG IN,8.65 PPG OUT -LOG DOWN FOR TIE-IN FROM 8,100' (FORMATION)WITH+4'CORRECTION. -RIH,DRY TAG WHIPSTOCK AT 8,857.8' WHICH IS 7 FT DEEPER THAN PREVIOUS RUN. 11:00 - 17:00 6.00 STWHIP P 8,857.00 WEXIT PICK BACK UP TO 8,160'AND VERIFY GR TIE-IN. NO CORRECTION. DISCUSS WITH ODE,DECIDE TO MILL AHEAD FROM NEW TD DEPTH. MILL THE FIRST 1.4'IN 2.5 HRS THEN TIME MILL 1 FT/HR USING THE AUTODRILL. MILL FROM 8,858'TO 8,862'. RATE: 1.83 BPM IN,1.83 BPM OUT MW: 8.66 PPG IN,8.61 PPG OUT Printed 1/11/2018 4:56:51PM *AII depths reported in Drillers Depths* • North America-ALASKA-BP �' Page 6 of 16 Operation Summary Report Common Well Name:E-12 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date:12/7/2017 End Date:12/20/2017 X3-0184F-C:(2,733,848 00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No..CDR-2 Spud Date/Time:4/19/1982 12:00:00AM Rig Release:12/26/2017 Rig Contractor:NABORS ALASKA DRILLING INC. BPUOI:USA00000697 Active datum:KB @64.27usft(above Mean Sea Level) Date From-To Hrs Task Code NPT Total Depth Phase I Description of Operations (hr) (usft) 17:00 - 17:30 0.50 STWHIP P 8,876.00 WEXIT MILL RATHOLE FROM 8,862'TO 8,876'. PUMP 5 BBLS LO/HI VIS SWEEP AROUND. -SAMPLES INDICATING SHUBLIK FORATION. _ 17:30 - 19:00 1.50 STWHIP P 8,876.00 WEXIT MAKE REAMING PASSES THRU WINDOW. -REAM UP F/8865'@ 1 FPM TO 8848'AT HS, 30LAND 30R. -REAM DOWN EACH TIME AT HS TOOLFACE. DRY DRIFT,WINDOW IS CLEAN. 19:00 - 22:00 3.00 STWHIP P 8,876.00 WEXIT PJSM.POOH W/WINDOW MILLING ASSEMBLY. -FLOW CHECK(10 MIN),WELL BORE STATIC, 8.6 PPG MUD IN AND OUT. -OPEN EDP ABOVE WINDOW AND PUMP @ 2.5 BPM/3900 PSI. -PAINT FLAG @ 8748'BIT DEPTH,8628'EOP. -FLOW CHECK AT SURFACE,(10 MIN),WELL BORE STATIC,NO LOSSES. -PJSM AND POP OFF WELL @ 21:00 HRS.L/D 2ND STAGE WINDOW MILLING BHA. -MILL AND STRING MILL BOTH 2.80"NO GO. 22:00 - 23:30 1.50 BOPSUR P 8,876.00 PROD1 PJSM.CHANGE OUT PACKOFFS ON I INJECTOR,(RUST AND SCALE ON USED COIL) -MAKE UP NOZZLE,MAKE UP INJECTOR TO WELL. -CHANGE OUT PACK OFFS AND PRESSURE TEST @ 250/3500 PSI,5 MIN EACH, CHARTED. -BACK FLUSH OUT MICRO MOTION,(SCALE, CEMENT ANDA SMALL PIECE OF METAL). 23:30 - 00:00 0.50 DRILL P 8,876.00 PROD1 PJSM.MAKE UP BUILD SECTION BHA. -1.4 DEG BEND IN M1-XLS MOTOR -HCC BIT W/P104 CUTTERS. 12/14/2017 00:00 - 02:45 2.75 DRILL P 8,876.00 PROD1 RIH W/BUILD SECTION BHA. -RIH @ 95 FPM,PUMPING.4 BPM @ 875 PSI. -TIE IN W/GAMMA F/8105'-8139',MINUS 4 1/2'CORRECTION.NO CORRECTION AT FLAG. -RIH TO 8800',CLOSE EDC AND THRU WINDOW TO 8865',CLEAN PASS. 02:45 - 08:00 5.25 DRILL P 9,030.00 PROD1 DRILLAHEAD,(BUILD SECTION),F/8875'- 9030' -37K UP WT,26K DOWN WT.1.7 BPM @ 2950 PSI FREE SPIN PRESSURE. -1.69 BPM IN/1.68 BPM OUT. 8.69 PPG IN/ 8.63 PPG OUT. 10.1 ECD AT WINDOW. -OUT OF THE SHUBLIK @ 8890'ROP 20 FPH. INTO ZONE 4,(IVISHAK),ROP UP TO 80 FPH. WOB 1-3K. -OUT OF ZONE 4 AND INTO ZONE 3 @ 8995' MD. 08:00 - 12:30 4.50 DRILL P 9,056.00 PROD1 DRILL 3.25"BUILD FROM 9,030'MD TO 9,056' MD -FREE SPIN:3,400 PSI,1.83 BPM -RATE:1.87 BPM IN,1.86 BPM OUT.CIRC PRESSURE:3,400-3,550 PSI -MUD WEIGHT:8.69 PPG IN,8.64 PPG OUT, ECD:10.1 PPG AT WINDOW. -ROP:5-20 FT/HR,WOB:2-3 KLBS Printed 1/11/2018 4.56:51PM *AII depths reported in Drillers Depths* • North America-ALASKA-BP Page 7 of 16 Operation Summary Report Common Well Name:E-12 AFE No Event Type:RE-ENTER-ONSHORE(RON) ' Start Date:12/7/2017 End Date:12/20/2017 X3-0184F-C:(2,733,848.00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:CDR-2 Spud Date/Time:4/19/1982 12:00:00AM Rig Release:12/26/2017 Rig Contractor:NABORS ALASKA DRILLING INC. BPUOI:USA00000697 Active datum:KB @64.27usft(above Mean Sea Level) Date From-To Hrs Task Code NPT Total Depth Phase Description of Operations (hr) (usft) 12:30 - 15:00 2.50 DRILL P 9,056.00 PROD1 POOH DUE TO SUSTAINED,LOW ROP. PERFORM 10 MIN DYNAMIC FLOW CHECK ON BOTTOM,GOOD. PULL THROUGH WINDOW AND OPEN EDC. JET WHIPSTOCK TRAY. DISCUSS WITH ODE AND GEO,DECIDE NOT TO LAY IN 9.8#MUD BECAUSE ONLY THIN SHALES HAVE BEEN EXPOSED AT HIGH ANGLE. INSTEAD WILL MAINTAIN 10.1#ECD WHILE TRIPPING. -MUD WEIGHT:8.70 PPG IN,8.64 PPG OUT RATE:2.44 BPM IN,2.31 BPM OUT OPEN EDC,RATE:2.46 BPM.CIRC PRESSURE:4,020 PSI 15:00 - 17:00 2.00 DRILL P 9,056.00 PROD1 MONITOR WELL FOR 10 MINUTES AT BHA: ,STATIC -CLOSE EDC,POWER DOWN -INJECTOR OFF:15:20 -BIT IS 4-5 WITH BROKEN CUTTERS. CHANGE OUT BIT AND LOWER SECTION OF BHA FOR JORPS. MAKE UP 3.25"DRILLING BHA#4 -PICK UP 2-3/8"ULS MOTOR(1.65 DEG AKO) 'AND 2-3/8"COILTRAK TOOLS -MAKE UP 2.74 X 3.25"HYC BICENTER BIT -SURFACE TESTED COILTRAK TOOL.GOOD ,TEST. -PRESSURE TEST QTS TO 3,500 PSI HIGH FOR 5 MINUTES -INJECTOR ON:16:40 17:00 - 19:30 2.50 DRILL P 9,056.00 PROD1 RIH WITH 3.25"DRILLING BHA#4 90 FPM. -RATE:0.50 BPM IN,0.70 BPM OUT.CIRC PRESSURE:950 PSI -MUD WEIGHT:8.60 PPG IN,8.63 PPG OUT -USE MPD CHOKE TO HOLD 10.1 PPG ECD AT WINDOW. -LOG DOWN FOR GAMMA TIE-IN FROM 8120' TO 8136'MD WITH-1.5'CORRECTION -RATE OUT ON MICRO MOTION ERRATIC, BLOW DOWN AND BACK FLUSH. 19:30 - 00:00 4.50 DRILL P 9,250.00 PROD1 DRILL 3.25"BUILD FROM 9,056'MD TO 9250' MD(ZONE 2) -POPPING INTO ZONE 2(IVISHAK)@ 9095' MD. -CHERT PERCENTAGE UP FROM 30-40%TO 50-70%@ 9100'. -FREE SPIN:3,400 PSI,1.77 BPM RATE:1.77 BPM IN,1.76 BPM OUT.CIRC PRESSURE:3,500-3,850 PSI -MUD WEIGHT:8.69 PPG IN,8.64 PPG OUT, ECD:10.1 PPG AT WINDOW. -INITIAL ROP:45-60 FT/HR,WOB:2-3 KLBS Printed 1/11/2018 4:56.51PM *All depths reported in Drillers Depths* North America-ALASKA-BP i Page 8 of 16 Operation Summary Report Common Well Name:E-12 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date:12/7/2017 End Date:12/20/2017 X3-0184F-C:(2,733,848.00) --- II Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:CDR-2 Spud Date/Time:4/19/1982 12:00:00AM Rig Release:12/26/2017 Rig Contractor:NABORS ALASKA DRILLING INC. BPUOI:USA00000697 Active datum:KB©64.27usft(above Mean Sea Level) Date From-To Hrs Task Code NPT Total Depth Phase Description of Operations (hr) (usft) 12/15/2017 00:00 - 09:30 9.50 DRILL , P 9,410.00 PROD1 DRILL BUILD FROM 9250'MD TO 9410'MD -FREE SPIN:3425 PSI,1.80 BPM -RATE:1.80 BPM IN,1.79 BPM OUT.CIRC PRESSURE:3500—3675 PSI -MUD WEIGHT:8.71 PPG IN,8.67 PPG OUT, ECD:10.11 EMWAT WINDOW. -ROP:15-20 FT/HR,WOB:1—3 KLBS 50- 60%CHERT. -ROP DROPPED OFF INITIALLY AND CAME BACK UP TO 25-35 @ 9275' -ROP DROPPING OFF AGAIN TO 10-15 FPH F/ 9325'ON. -PUMP 5 BBLS LO VIS/5 BBLS HI VIS SWEEP.ROP 20-25 FPH @ 9345'. 09:30 - 13:00 3.50 DRILL P 5,410.00 PROD1 POOH,HAVE REACHED DIRECTIONAL OBJECTIVES FOR BUILD SECTION. -DYNAMIC FLOW CHECK WHILE PUMPING 9.8#FLUID TO BIT,GOOD. PICK UP TO:WINDOW AND TIE-IN DEPTH. NO CORRECTION. PICK UP TO 8,700'AND OPEN EDC. RIH AND JET WHIPSTOCK TRAY WHILE PERFORMING CCL LOG ACROSS LINER TOP AREA. -MUD WEIGHT:9.86 PPG IN,9.68 PPG OUT -RATE:2.18 BPM IN,1.82 BPM OUT OPEN EDC,POH. I RATE:2.17 BPM.CIRC PRESSURE:3,790 PSI 13:00 - 14:00 1.00 DRILL P 9,410.00 PROD1 MONITOR WELL FOR 10 MINUTES AT BHA: STATIC -CLOSE EDC,POWER DOWN -CONDUCT PJSM AND REVIEW PROCEDURE FOR CHANGING OUT BHA. INJECTOR OFF:13:15 -BIT IS 3-5 14:00 - 14:30 0.50 BOPSUR P 9,410.00 PROD1 FUNCTION TEST BOPS. 14:30 - 15:00 0.50 ; BOPSUR P 9,410.00 PROD1 MAKE UP 3.25"DRILLING BHA#5 -PICK UP 2-3/8"ULS MOTOR(1.0 DEG AKO) AND 2-3/8"COILTRAK TOOLS -MAKE UP 2.74"X 3.25"BICENTER BIT -SURFACE TESTED COILTRAK TOOL.GOOD TEST. -PRESSURE TEST QTS TO 3,500 PSI HIGH FOR 5 MINUTES -INJECTOR ON:14:45 15:00 - 15:20 0.33 DRILL P 9,410.00 PROD1 INSPECT INJECTOR CHAINS. 15:20 - 17:45 2.42 DRILL P 9,410.00 PROD1 RIH WITH 3.25"DRILLING BHA#5 -RATE:0.79 BPM IN,0.83 BPM OUT.CIRC PRESSURE:1,290 PSI -MUD WEIGHT:9.72 PPG IN,9.60 PPG OUT -LOG DOWN FOR TIE-IN FROM 8800'TO THRU RA TAG ON WHIPSTOCK TO 8894' PLUS 4'CORRECTION 17:45 - 18:00 0.25 DRILL N 9,410.00 PROD1 HI LINE POWER DOWN.MAY HAVE BEEN • CONTACTED BY ROADS AND PADS i SNOWBLOWER. '-RIG MOTOR MAN OPENS HI LINE POWER BREAKER AND LOCKS OUT BREAKER. -FIRE UP GENERATORS AND RESTORE POWER TO THE RIG,CPS NOTIFIED. -SR WELL SITE LEADER NOTIFIED.DRILL SITE OPERATOR NOTIFIED BY CPS. Printed 1/11/2018 4:56:51PM *AII depths reported in Drillers Depths* North America-ALASKA-BP Page 9 of 16 7, %• 7" Operation Summary Report F Common Well Name:E-12 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date:12/7/2017 End Date:12/20/2017 X3-0184F-C:(2,733,848 00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:CDR-2 Spud Date/Time:4/19/1982 12.00:00AM Rig Release:12/26/2017 Rig Contractor NABORS ALASKA DRILLING INC. BPUOI:USA00000697 Active datum:KB @64.27usft(above Mean Sea Level) Date From-To Hrs Task Code NPT Total Depth Phase Description of Operations (hr) _ (usft) 18:00 - 18:45 0.75 DRILL P 9,410.00 PROD1 ON RIG GENERATORS,PJSM. -PICK UP TO WINDOW,SYSTEMS CHECK, OK. -UP WT 37K,DOWN WT 24K.CONTINUE IN HOLE,TAG @ 9410' 1-HOLE CONDITIONS ARE GOOD TAG @ 9410' 18:45 - 00:00 5.25 DRILL P 9,515 00 PROD1 DRILL LATERAL FROM 9410'MD TO 9515'MD (9006'TVD) -FREE SPIN: 3625 PSI,1.81 BPM -RATE:1.81 BPM IN,1.79 BPM OUT.CIRC PRESSURE:3650—3800 PSI '-MUD WEIGHT:8.75 PPG IN,8.73 PPG OUT, ECD:10.07 PPG -ROP:25-40 FT/HR,WOB:1-3 KLBS 9475',DRILLING GETTING ERRATIC.ROP 17 FPH. -40%CHERT,@ 9493'MAKE BHA WIPER. DRILLING INTO THE 24N,TURNING UPAS PER GEO. 12/16/2017 00:00 - 07:30 7.50 DRILL P 9,704.00 PROD1 DRILL LATERAL FROM 9,515'MD TO 9,704'MD -FREE SPIN: 3625 PSI,1.81 BPM I-RATE:1.81 BPM IN,1.79 BPM OUT.CIRC PRESSURE:3650—3800 PSI -MUD WEIGHT:8.76 PPG IN,8.71 PPG OUT, ' ECD:10.11 PPG -ROP:15 FT/HR,WITH NUMEROUS PICK UPS WOB:1-3 KLBS -DRILLING TO GET UP AND OUT OF THE 24N SHALE. -AT 9,610'PUMP 5 BBLS LO/HI VIS SWEEPS AROUND. 07:30 - 10:00 2.50 DRILL P 9,704.00 PROD1 PERFORM LONG WIPER TRIP TO WINDOW FROM 9,704'MD -RATE:1.80 BPM IN,1.64 BPM OUT.CIRC PRESSURE:3,740 PSI -MAINTAIN 10.1 PPG AT THE WINDOW DURING TRIP. -REDUCE PUMP TO 1 BPM AND KEEP AS DRILLED TF THROUGH SHALES. -PULL THROUGH WINDOWAND OPEN EDC, JET WHIPSTOCK TRAY AND PUMP 1X B/U -GOOD AMOUNT OF CUTTINGS RETURNED. -LOG DOWN FOR TIE-IN FORMATION WITH NO CORRECTION -RUN BACK IN TO TD,NO ISSUES AT WINDOW OR SHALES. 10:00 - 16:00 6.00 DRILL P 9,831.00 PROD1 DRILL LATERAL FROM 9,704'MD TO 9,831'MD -FREE SPIN: 3,600 PSI,1.83 BPM -RATE:1.83 BPM IN,1.69 BPM OUT.CIRC PRESSURE:3,600—4,100 PSI -MUD WEIGHT:8.71 PPG IN,8.76 PPG OUT, ECD:10.17 PPG(10.1 PPG AT WINDOW) !-ROP.20-100 FT/HR Printed 1/11/2018 4:56:51PM *All depths reported in Drillers Depths* North America-ALASKA-BP . Page 10 of 16 Operation Summary Report Common Well Name:E-12 AFE No • Event Type:RE-ENTER-ONSHORE(RON) Start Date:12/7/2017 End Date:12/20/2017 X3-0184F-C:(2,733,848.00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:CDR-2 Spud Date/Time:4/19/1982 12:00:00AM I Rig Release:12/26/2017 Rig Contractor:NABORS ALASKA DRILLING INC. •BPUOI:USA00000697 Active datum:KB©64.27usft(above Mean Sea Level) Date From-To Hrs Task Code NPT Total Depth Phase Description of Operations (hr) (usft) 16:00 - 19:30 3.50 DRILL P 9,831.00 PROD1 ROP HAS BEEN DECLINING SINCE 9,800'. POOH FOR BIT SWAP. START 9.8#MUD DOWN CT AND PULL SHORT WIPER UNTIL IT REACHES THE BIT. -PERFORM DYNAMIC FLOW CHECK WHILE PUMPING 9.8#TO BIT,GOOD. -PULL TO WINDOW,REDUCE RATE THROUGH SHALES. -PULL THROUGH WINDOW AND OPEN EDC, JET WHIPSTOCK TRAY. -CONTINUE TO DISPLACE WELL TO 9.8 PPG MUD,JOG TO 5 1/2"TBG. -FLOW CHECK AT SURFACE,WELL BORE STATIC,9.8 PPG MUD IN AND OUT. -PJSM W/FLOW CHECKING WELL. 19:30 - 20:00 0.50 DRILL P 9,831.00 PROD1 INJECTOR OFF @ 19:35 HRS. -PULL BHA,INSPECT AND LAY DOWN HYCALOG DURAFORCE BIT. 3-6-RO. -MAKE UP HC+r BIT W/P 104 CUTTERS. -INJECTOR ON @ 20:05 HRS.PRESSURE _ITEST QTS @ 2500 PSI/5 MIN/GOOD. 20:00 - 23:15 3.25 DRILL P 9,831.00, PROD1 RIH W/LATERAL DRILLING ASSEMBLY. -RUN IN @ 95 FPM/.52 BPM IN/.87 BPM OUT @ 1100 PSI,9.8 PPG MUD IN AND OUT. -TIE IN W/GAMMA,8120'-8127',(4 MINUTES), PLUS 6 1/2'CORRECTION. -CONTINUE IN HOLE. 23:15 - 00:00 0.75 DRILL P 9,912.00 PROD1 DRILL LATERAL FROM 9,831'MD TO 9,912'MD -FREE SPIN: 3825 PSI,1.80BPM -RATE:1.80 BPM IN,1.78 BPM OUT.CIRC PRESSURE:3850-4000 PSI -MUD WEIGHT:8.75 PPG IN,8.78 PPG OUT, ECD:10.22 PPG -ROP:85-110 FT/HR,WOB:1-3 KLBS -DRILLING IN ZONE 23SB (IVISHAK)AS PER GEOLOGIST. 12/17/2017 00:00 - 01:45 1.75 DRILL P 9,979.00 PROD1 DRILL 67'LATERAL FROM 9912'MD TO 9979' MD(9002'TVD) -FREE SPIN:3750 PSI,1.80 BPM I-RATE:1.80 BPM IN,1.81 BPM OUT.CIRC PRESSURE:3775-3950 PSI -MUD WEIGHT:8.81 PPG IN,8.77 PPG OUT, ECD:10.22 PPG EMW -ROP:35-100 FT/HR,WOB:1-3 KLBS -ANGLING SLIGHTLY UP. -GEO STEERING BACK TO 90 DEG. 01:45 - 02:00 0.25 DRILL P 9,979.00 PROD1 PUMP 7 BBLS LO VIS/5 BBLS HI VIS SWEEP. -150'WIPER TRIP,NO ISSUES. 02:00 - 05:30 3.50 DRILL P 10,060.00 PROD1 ,CONTINUE TO DRILL AHEAD IN IVISHAK ZONE 23SB -DRILL F/9979'-10,060' FREE SPIN 3725 PSI @ 1.81 BPM. -1.81 BPM IN/1.84 BPM OUT CIRC PRESSURE 3750-3900 PSI. -MUD WT 8.81 IN/8.77 OUT, ECD 10.20 AT 'THE WINDOW ROP 45-70 FPH,WOB 1 -3K. Printed 1/11/2018 4:56:51PM *All depths reported in Drillers Depths* North America-ALASKA-BP • Page 11 of 16 Operation Summary Report Common Well Name:E-12 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date:12/7/2017 End Date:12/20/2017 X3-0184F-C:(2,733,848.00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:CDR-2 Spud Date/Time:4/19/1982 12:00:00AM Rig Release:12/26/2017 Rig Contractor:NABORS ALASKA DRILLING INC. BPUOI:USA00000697 Active datum:KB @64.27usft(above Mean Sea Level) Date From-To Hrs Task Code NPT Total Depth Phase Description of Operations (hr) (usft) 05:30 - 08:30 3.00 DRILL P 10,060.00 PROD1 I PERFORM LONG WIPER TRIP TO WINDOW FROM 10,064'MD -RATE:1.80 BPM IN,1.64 BPM OUT.CIRC PRESSURE:3,740 PSI —MAINTAIN 10.1 PPG AT THE WINDOW DURING TRIP. -REDUCE PUMP TO 1 BPM AND KEEP AS DRILLED TF THROUGH SHALES. -PULL THROUGH WINDOW AND OPEN EDC, JET WHIPSTOCK TRAY AND PUMP 1X B/U -GOOD AMOUNT OF CUTTINGS RETURNED. -LOG DOWN FOR TIE-IN FORMATION WITH NO CORRECTION -RUN BACK IN TO TD,NO ISSUES AT WINDOW OR SHALES. '08:30 - 10:00 ' 1.50 DRILL P 10,065.00 PROD1 DRILL 3.25 LATERAL FROM 10,060'MD TO 10,065'MD(9002'TVD) -FREE SPIN:3700 PSI,1.80 BPM RATE:1.85 BPM IN,1.80 BPM OUT.CIRC PRESSURE:3700—3950 PSI MUD WEIGHT:8.76 PPG IN,8.81 PPG OUT, ECD:10.11 PPG EMW WITH 330 PSI WHP USE MPD CHOKE TO MAINTAIN 10.1 PPG AT WINDOW -ROP:1-10 FT/HR,WOB:1—3.5 KLBS 10:00 - 14:00 4.00 DRILL P 10,065.00 PROD1 POOH DUE TO LOW ROP. -START 9.8#MUD DOWN CT AND PULL SHORT WIPER UNTIL IT REACHES THE BIT. -PERFORM DYNAMIC FLOW CHECK WHILE PUMPING 9.8#TO BIT,GOOD. -PULL TO WINDOW,REDUCE RATE THROUGH SHALES. -PULL THROUGH WINDOW AND OPEN EDC, JET WHIPSTOCK TRAY. -CONTINUE TO DISPLACE WELL TO 9.8 PPG MUD. 14:00 - 14:30 0.50 DRILL P 10,065.00 PROD1 MONITOR WELL FOR 10 MINUTES AT BHA: STATIC -CLOSE EDC,POWER DOWN -INJECTOR OFF:14:20 -CHANGE OUT BIT,6-6 WRUNG OUT. 14:30 - 15:00 0.50 DRILL P 10,065.00 PROD1 CHANGE OUT FLOATS IN UQC DUE TO HOURS. PRESSURE TEST FLOATS TO 3,500 PSI, GOOD. 15:00 - 15:45 0.75 DRILL P 10,065.00 PROD1 MAKE UP 3.25"DRILLING BHA#7 -PICK UP 2-3/8"ULS MOTOR(1.0+DEG AKO) AND 2-3/8"COILTRAK TOOLS -MAKE UP 2.74"X 3.25"HYC BICENTER BIT -SURFACE TESTED COILTRAK TOOL.GOOD TEST. -PRESSURE TEST QTS TO 3,500 PSI HIGH FOR 5 MINUTES -INJECTOR ON:15:30 15:45 - 19:00 3.25 DRILL P 10,065.00 PROD1 RIH WITH 3.25"DRILLING BHA#7 -RATE: 0.63 BPM IN,1.00 BPM OUT.CIRC PRESSURE:1,290 PSI -MUD WEIGHT:9.74 PPG IN,9.81 PPG OUT -LOG DOWN FOR TIE-IN FROM 8805'TO 8833' !MD(FORMATION)WITH PLUS 14' CORRECTION Printed 1/11/2018 4:56:51PM *All depths reported in Drillers Depths* • North America ALASKA BP • Page 12 of 16 Operation Summary Report Common Well Name:E-12 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date:12/7/2017 End Date:12/20/2017 X3-0184F-C:(2,733,848 00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:CDR-2 Spud Date/Time:4/19/1982 12:00:00AM Rig Release:12/26/2017 Rig Contractor:NABORSALASKA DRILLING INC. BPUOI:USA00000697 Active datum:KB @64.27usft(above Mean Sea Level) Date From-To Hrs Task Code NPT Total Depth Phase Description of Operations (hr) (usft) 19:00 - 21:45 2.75 DRILL P 10,209.00 PROD1 DRILL 3.25 LATERAL FROM 10,065'MD TO 10,209'MD(9003'TVD) -FREE SPIN:352500 PSI,1.77 BPM -RATE:1.78 BPM IN,1.77 BPM OUT.CIRC PRESSURE:3600-3750 PSI -MUD WEIGHT:8.76 PPG IN,8.81 PPG OUT, ECD:10.11 PPG EMW WITH 350 PSI WHP ' USE MPD CHOKE TO MAINTAIN 10.1 PPG AT WINDOW -INITIAL ROP 40 FT/HR,WOB:1-3.5 KLBS 21:45 - 22:15 0.50 DRILL P 10,209.00 PROD1 I WIPER TRIP- 400'. WELLBORE IS CLEAN,NO ISSUES. 22:15 - 00:00 1.75 DRILL P 10,285.00 PROD1 DRILL 3.25 LATERAL FROM 10,209'MD TO 10,285'MD(9003'TVD) -FREE SPIN:352500 PSI,1.77 BPM -RATE:1.78 BPM IN,1.77 BPM OUT.CIRC PRESSURE:3600-3750 PSI -MUD WEIGHT:8.76 PPG IN,8.81 PPG OUT, EGD:10.11 PPG EMW WITH 350 PSI WHP 1 -USE MPD CHOKE TO MAINTAIN 10.1 PPG AT WINDOW -ROP 40-70 FT/HR,WOB:1-3.5 KLBS 12/18/2017 00:00 - 04:30 4.50 DRILL • P 10,510.00 PROD1 DRILL 3.25"LATERAL FROM 10,285'MD TO 10,510'MD(9009'TVD) -FREE SPIN:3515 PSI,1.81 BPM -RATE:1.81 BPM IN,1.82 BPM OUT.CIRC PRESSURE:3525-3750 PSI -MUD WEIGHT:8.71 PPG IN,8.70 PPG OUT, ECD:10.1 PPG AT THE WINDOW HOLDING 375 PSI WH PRESSURE. -ROP:40-80 FT/HR,WOB:1-3 KLBS -DRILLING AHEAD IN IVISHAK ZONE 23 SB. 50-60%CHERT BACK IN CUTTINGS. -PUMP 5 BBLS LO/5 BBLS HI VIS SWEEP TO BIT. 04:30 - 07:30 3.00 DRILL P 10,510.00 PROD1 PERFORM LONG WIPER TRIP TO WINDOW FROM 10,510'MD 1-RATE:1.86 BPM IN,1.65 BPM OUT.CIRC PRESSURE:3,500 PSI -MAINTAIN 10.1 PPG AT THE WINDOW DURING TRIP. -REDUCE PUMP TO 1 BPM AND KEEP AS DRILLED TF THROUGH SHALES. -PULL THROUGH WINDOWAND OPEN EDC, JET WHIPSTOCK TRAYAND PUMP 1X B/U -GOOD AMOUNT OF CUTTINGS RETURNED. -LOG DOWN FOR TIE-IN AT RA TAG,NO CORRECTION. -PUMP B/U THROUGH OPEN EDC AT 2.37 BPM/3,900 PSI. -MAINTAIN 10.1#ECD AT WINDOW WHILE PUMPING B/U. 07:30 - 10:45 3.25 DRILL P 10,557.00 PROD1 DRILL 3.25"LATERAL FROM 10,510'MD TO 10,557'MD -FREE SPIN:3,450 PSI,1.83 BPM -RATE:1.83 BPM IN,1.78 BPM OUT.CIRC PRESSURE:3,450-3,800 PSI MUD WEIGHT:8.66 PPG IN,8.70 PPG OUT, ECD:10.1 PPG AT THE WINDOW HOLDING 400 PSI WH PRESSURE. -ROP:20-80 FT/HR,WOB:1-3 KLBS -DRILLING AHEAD IN IVISHAK ZONE 23 SB. Printed 1/11/2018 4.56 51PM *AII depths reported in Drillers Depths* iNorth America-ALASKA-BP • Page 13 of 16 Operation Summary Report Common Well Name:E-12 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date:12/7/2017 End Date:12/20/2017 X3-0184F-C:(2,733,848.00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:CDR-2 Spud Date/Time:4/19/1982 12:00:00AM Rig Release:12/26/2017 Rig Contractor:NABORS ALASKA DRILLING INC. BPUOI:USA00000697 Active datum:KB @64.27usft(above Mean Sea Level) Date From-To Hrs Task Code NPT I Total Depth Phase Description of Operations (hr) (usft) 10:45 - 14:30 3.75 DRILL P 10,557.00 PROD1 AT 10,557'ROP SLOWS<10 FT/HR. ALSO DIRECTIONAL CONTROL GETTING MORE DIFFICULT. POOH,START 9.8#MUD DOWN CT AND PULL SHORT WIPER UNTIL IT REACHES THE BIT. -PERFORM DYNAMIC FLOW CHECK WHILE PUMPING 9.8#TO BIT,GOOD. PULL TO WINDOW,REDUCE RATE THROUGH SHALES. -PULL THROUGH WINDOW AND OPEN EDC, JET WHIPSTOCK TRAY. -CONTINUE TO DISPLACE WELL TO 9.8 PPG MUD. 14:30 - 15:45 1.25 DRILL P 10,557.00 PROD1 MONITOR WELL FOR 10 MINUTES AT BHA: STATIC -CLOSE EDC,POWER DOWN -INJECTOR OFF: 14:55 -CHANGE OUT BIT,3-8 WINGS ARE WORN DOWN TO UNDERGAUGE. -ESTIMATED 2.6"HOLE WAS DRILLED FOR THE LAST 40-50 FT. 'MAKE UP 3.25"DRILLING BHA#8 -PICK UP 2-3/8"ULS MOTOR(1.0+DEG AKO) AND 2-3/8"COILTRAK TOOLS -MAKE UP 2.74"X 3.25"HYC BICENTER BIT -SURFACE TESTED COILTRAK TOOL.GOOD TEST. -PRESSURE TEST QTS TO 3,500 PSI HIGH FOR 5 MINUTES -INJECTOR ON:15:25 15:45 - 16:15 0.50 DRILL P ' 10,557.00 PROD1 INSPECT CHOKE. CLEAN OUT MM. • 16:15 - 19:30 3.25 DRILL P 10,557.00 PROD1 RIH WITH 3.25"DRILLING BHA#8 -RATE: 0.25 BPM IN,0.60 BPM OUT.CIRC PRESSURE:940 PSI -MUD WEIGHT:9.74 PPG IN,9.81 PPG OUT -SHALLOW HOLE TEST OF AGITATOR IS GOOD. -LOG DOWN FOR TIE-IN FROM 8110'TO 8143' MD(FORMATION)WITH MINUS 5' CORRECTION 19:30 - 00:00 4.50 DRILL P 10,803.00 PROD1 DRILL 3.25"LATERAL FROM 10,557'MD TO 10,803'MD(9061'TVD)...IVISHAK ZONE 2 -DROPPED INTO THE 22 TS,(HOT), FROM I THE 23 SB FORMATION©10,600'.(9009'TVD). 1-FREE SPIN:3515 PSI,1.70 BPM -RATE:1.74 BPM IN,1.74 BPM OUT.CIRC PRESSURE:3900—4225 PSI -MUD WEIGHT:8.76 PPG IN,8.74 PPG OUT, ECD:10.1 PPG AT THE WINDOW HOLDING 300 PSI WH PRESSURE. -ROP:35-65 FT/HR,WOB:1—3 KLBS -PERFORMED BHA WIPER TRIP @ 10,705'. NO ISSUES. -DRILLING AHEAD IN IVISHAK ZONE 2 DROPPING ANGLE. Printed 1/11/2018 4:56:51PM `AII depths reported in Drillers Depths* • North America-ALASKA S ' Page 14 of 16 Operation Summary Report Common Well Name:E-12 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date:12/7/2017 End Date:12/20/2017 X3-0184F-C:(2,733,848 00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:CDR-2 Spud Date/Time:4/19/1982 12:00:00AM Rig Release 12/26/2017 Rig Contractor:NABORS ALASKA DRILLING INC. BPUOI USA00000697 Active datum:KB©64.27usft(above Mean Sea Level) Date From-To Hrs Task Code NPT Total Depth Phase Description of Operations (hr) (usft) 12/19/2017 00:00 - 05:00 5.00 DRILL P 10,977.00 PROD1 DRILL 3.25"LATERAL FROM 10,803'MD TO 10,975'MD(9106'TVD)...IVISHAK ZONE 2 -FREE SPIN:4125 PSI,1.70 BPM -RATE:1.74 BPM IN,1.71 BPM OUT.CIRC PRESSURE:4150—4425 PSI -MUD WEIGHT:8.79 PPG IN,8.77 PPG OUT, ECD:10.1 PPG AT THE WINDOW HOLDING 300 PSI WH PRESSURE. -ROP:35-65 FT/HR,WOB:1—3 KLBS -DRILLING AHEAD IN IVISHAK ZONE 2/ 21 T$ 05:00 - 08:30 3.50 DRILL P 10,977.00 PROD1 'PERFORM LONG WIPER TRIP TO WINDOW FROM 10,977'MD -RATE:1.73 BPM IN,1.62 BPM OUT.CIRC PRESSURE:4,200 PSI -MAINTAIN 10.1 PPG AT THE WINDOW DURING TRIP. -REDUCE PUMP TO 1 BPM AND KEEP AS DRILLED TF THROUGH SHALES. -PULL THROUGH WINDOW AND OPEN EDC, JET WHIPSTOCK TRAY AND PUMP 1X B/U -EXAMINE ROP DATA FOR LAST 20 FT DRILLED,BIT APPEARS WORN. DECISION IS MADE TO POOH. OPEN EDC,DYNAMIC FLOW CHECK ABOVE WINDOW IS GOOD. -JET WHIPSTOCK TRAY,PUMP 9.8#MUD TO BIT,WILL LAY IN THE 9.8#FROM THE j WINDOW ON THIS TRIP. 08 30 - 10:00 1.50 DRILL P _, 10,977,00` PROD1 MONITOR WELL FOR 10 MINUTES AT BHA: STATIC -CLOSE EDC,POWER DOWN -SHALLOW HOLE TEST OF AGITATOR IS GOOD -INJECTOR OFF:09:00 -REMOVE BIT,4-5 WRUNG OUT. -INSPECT LAST 50 FT OF CT ABOVE THE CONNECTOR. FLAT SPOT IS SEEN WITH 0.093"WALL THICKNESS,ABOUT 48%LOSS. 1-DECISION IS MADE TO CUT THIS SECTION OUT AND REINSTALL THE BHI CABLE HEAD. 10:00 - 13:45 3.75 DRILL P 10,977.00 PROD1 CONDUCT PJSM FOR CUTTING CT. REMOVE BHI CABLE HEAD AND CUT OFF CT CONNECTOR. INSTALL COIL CUTTER. CUT OFF 50'OF CT. INSTALL NEW CONNECTOR AND BHI CABLE HEAD,PRESSURE TEST IS GOOD. INSPECT PACKOFFS. PRESSURE TEST RISER BREAK AND PACKOFFS. 13:45 - 14:15 0.50 DRILL P 10,977.00 PROD1 MAKE UP 3.25"DRILLING BHA#9 -PICK UP 2-3/8"ULS MOTOR(1.0+DEG AKO) AND 2-3/8"COILTRAK TOOLS -MAKE UP 2.74"X 3.25"HYC BICENTER BIT -SURFACE TESTED COILTRAK TOOL.GOOD TEST. -PRESSURE TEST QTS TO 3,500 PSI HIGH FOR 5 MINUTES -INJECTOR ON:14:00 Printed 1/11/2018 4 56 51 PM *AII depths reported in Drillers Depths* North America ALASKA-BP • Page 15 of 16 Operation Summary Report Common Well Name:E-12 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date:12/7/2017 End Date:12/20/2017 X3-0184F-C:(2,733,848.00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:CDR-2 Spud Date/Time:4/19/1982 12:00:00AM Rig Release:12/26/2017 Rig Contractor:NABORS ALASKA DRILLING INC. BPUOI:USA00000697 Active datum:KB©64.27usft(above Mean Sea Level) Date From-To Hrs Task Code NPT Total Depth Phase Description of Operations (hr) (usft) 14:15 - 17:30 3.25 DRILL P 10,977.00 PROD1 RIH WITH 3.25"DRILLING BHA#9 -RATE: 0.30 BPM IN,0.57 BPM OUT.CIRC PRESSURE:1,200 PSI -MUD WEIGHT:9.00 PPG IN,9.77 PPG OUT STARTING MUD DOWN THE CT -LOG DOWN FOR TIE-IN FROM 8,130'TO 8143'MD(FORMATION)WITH-6.5' CORRECTION 17:30 - 20:15 2.75 DRILL P 11,120.00 PROD1 DRILL 3.25"LATERAL FROM 10,977'TO 11120' -FREE SPIN:3920 PSI,1.60 BPM -RATE 1.60 BPM IN,1.60 BPM OUT.CIRC PRESSURE:3920-4425 PSI -MUD WEIGHT:8.90 PPG IN,8.85 PPG OUT, ECD:10.1 PPG AT THE WINDOW HOLDING 269 PSI WH PRESSURE. -ROP:35-65 FT/HR,WOB:1-3 KLBS SIGNS OF DIFFERENTIAL STICKING, PULLED 70KTOAND PULLED FREE. PERFORM 200'BHA WIPER 20:15 - 00:00 3.75 DRILL P 11,256.00 PROD1 DRILL 3.25"LATERAL FROM 11120'- 11256 -FREE SPIN:4116 PSI,1.74 BPM -RATE:1.74 BPM IN,1.74 BPM OUT.CIRC PRESSURE:4116 PSI -MUD WEIGHT:8.82 PPG IN,8.90 PPG OUT, ECD:10.1 PPG AT THE WINDOW HOLDING 269 PSI WH PRESSURE. -ROP:35-65 FT/HR,WOB:1-3 KLBS 12/20/2017 00:00 - 00:50 0.83 DRILL P 11,289.00' PROD1 DRILL 3.25"LATERAL FROM 11256'TO 11289 -FREE SPIN:4116 PSI,1.74 BPM -RATE:1.74 BPM IN,1.74 BPM OUT.CIRC PRESSURE:4116 PSI -MUD WEIGHT:8.82 PPG IN,8.90 PPG OUT, ECD:10.1 PPG AT THE WINDOW HOLDING 269 I PSI WH PRESSURE. ROP:35-65 FT/HR,WOB:1-3 KLBS 00:50 - 01:20 0.50 DRILL P 11,289.00 PROD1 PERFORM 200'BHA WIPER WHILE GEOLOGY DECIDES PLAN FORWARD. 01:20 - 05:00 3.67 DRILL P 11,425.00 PROD1 DRILL 3.25"LATERAL FROM 11,289'TO 11,425'. -FREE SPIN:4180 PSI,1.74 BPM -RATE:1.74 BPM IN,1.71 BPM OUT.CIRC PRESSURE:4180 TO 4329 PSI -MUD WEIGHT:8.83 PPG IN,8.90 PPG OUT, ECD:10.1 PPG AT THE WINDOW HOLDING 256 PSI WH PRESSURE. -ROP:35-65 FT/HR,WOB:1-3 KLBS -AT 11,350'PUMP 5 BBLS LO/HI VIS SWEEPS -AT 11,410'PUMP 4 BBLS LO/10 BBLS HI VIS SWEEP IN PREPARATION FOR TD THE WELL. -DRILL TO 11,425'AND CALL TD, GEOLOGICALAND SOR OBJECTIVES HAVE BEEN REACHED. Printed 1/11/2018 4:56:51PM *AII depths reported in Drillers Depths* • North America-ALASKA-BPS �$ Page 16 of 16 Operation Summary Report ;) �� Common Well Name:E-12 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date:12/7/2017 End Date:12/20/2017 X3-0184F-C:(2,733,848 00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:CDR-2 Spud Date/Time 4/19/1982 12:00:00AM Rig Release:12/26/2017 Rig Contractor:NABORS ALASKA DRILLING INC. BPUOI:USA00000697 Active datum:KB @64.27usft(above Mean Sea Level) Date From-To Hrs Task Code NPT I Total Depth Phase Description of Operations (hr) (usft) 05:00 - 08:00 3.00 DRILL P 11,425.00 PROD1 PERFORM LONG WIPER TRIP TO WINDOW FROM 11,425'MD -RATE:1.69 BPM IN,1.51 BPM OUT.CIRC PRESSURE:4,060 PSI -MAINTAIN 10.1 PPG AT THE WINDOW DURING TRIP. -REDUCE PUMP TO 1 BPM AND KEEP AS DRILLED TF THROUGH SHALES. -PULL UP TO RAAND TIE-IN. CORRECT+9 FT. -RIH,TAG AT 11,430'CORRECTED DRILLED TD. 08:00 - 12:30 4.50 DRILL P 11,425.00 PROD1 PERFORM LONG WIPER TRIP TO SURFACE FROM 11,430'MD -RATE:1.69 BPM IN,1.59 BPM OUT.CIRC PRESSURE:4,100 PSI -MAINTAIN 10.1 PPG AT THE WINDOW 'DURING TRIP. -REDUCE PUMP TO 1 BPM AND KEEP AS I DRILLED TF THROUGH SHALES. PULL WIPER AT 50 FT/MIN THROUGH 5-1/2" TUBING. -LOTS OF CUTTING WHEN CT NEAR -SURFACE,OUT DENSITY GAINED 0.1 PPG. 12:30 - 16:30 4.00 DRILL P 11,425.00 PROD1 RUN BACK TO BOTTOM. CLEAN PASS. NEAR BOTTOM START BEADS DOWN CT. DYNAMIC FLOW CHECK WHILE WAITING FOR _ BEAD PILL TO REACH BIT,GOOD. 16:30 - 17:30 1.00 DRILL P 11,425.00 PROD1�LAY IN BEADS FROM TD TO THE WINDOW. 17:30 - 21:00 3.50 DRILL P 11,425.00 PROD1 PULL OUT OF WELL -MUD WEIGHT:9.85 PPG IN,9.77 PPG OUT -RATE:2.35 BPM IN,2.15 BPM OUT -PERFORM JOG AT SURFACE. -PAINT WHITE FLAG AT 8676.24'(8600'EOP) -PAINT YELLOW FLAG AT 6076.26(6000'EOP) 21:00 - 22:00 1.00 DRILL P 11,425.00 PROD1 MONITOR WELL FOR 10 MINUTES AT BHA: STATIC -CLOSE EDC,POWER DOWN -INJECTOR OFF:21:30 -INSPECT COIL ABOVE COIL CONNECTOR. FLAT SPOT. 22:00 - 22:30 0.50 BOPSUR P 11,425.00 PROD1 PERFORM WEEKLY BOPE FUNCTION TEST. 22:30 - 00:00 1.50 DRILL P 11,425.00 PROD1 CUT 25'COIL/E-LINE MAKE UP BOT EXTERNAL COIL CONNECTOR PULL TEST COIL CONNECTOR TO 35K. Printed 1/11/2018 4.56:51PM *All depths reported in Drillers Depths* • • North America-ALASKA Bbd 1 of 8 s Operation Summary Report Common Well Name:E-12 AFE No Event Type:COM-ONSHORE(CON) Start Date:12/21/2017 End Date. X3-0184F-C:(823,621.00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:CDR-2 Spud Date/Time:4/19/1982 12:00:00AM Rig Release:12/26/2017 Rig Contractor:NABORS ALASKA DRILLING INC. BPUOI:USA00000697 Active datum:KB©64.27usft(above Mean Sea Level) Date From-To Hrs Task Code NPT Total Depth Phase I Description of Operations (hr) (usft) 12/21/2017 00:00 - 01:00 1.00 CASING P 11,430.00 RUNPRD MAKE UP BHI UQC/FLOATS PRESSURE TEST TO 4500#FOR 5 MINUTES GOOD TEST PRESSURE TEST FLOATS TO 3500#FOR 5 1 MINUTES. GOOD TEST 01 00 - 02:00 1.00 CASING P 11,430.00 RUNPRD PJSM, RU FLOOR TO RUN PRODUCTION t.LINER. 02:00 - 07:00 5.00 CASING P 11,430.00 RUNPRD I RUN 2-3/8",4.7#,L-80,HYD511 LINER -MAKEUP SHOE TRACK WITH NS ORCA CEMENTING VALVE. -DRIFT FIRST 5 JOINTS WITH 1.87"DRIFT. NO ISSUE -FILL LINER EVERY 20 JTS. -MAKE UP GS SPEAR AND COILTRAK. -MAKE UP INJECTOR,PT QUICK CONNECT 07:00 - 10:00 3.00 CASING P 11,430.00 RUNPRD RIH WITH LINER ASSEMBLY. STOP AT FIRST FLAG,CORRECT-9 FT, CONSISTENT WITH EARLIER DRILLING CORRECTIONS. RUN DOWN TO WINDOW,CIRCULATE EP LUBE PILL AROUND SHOE AT 1 BPM AND UP THE HOLE PARTWAY. 10:00 - 14:00 4.00 CASING P 11,430.00 RUNPRD RIH THROUGH WINDOW WITH LINER. }CLEAN PASS DOWN TO 10,700'THEN START WORKING PIPE. ABLE TO GET AROUND 10 FT EACH PIPE CYCLE,AFTER PUMPING FOR 5-10 MINUTES. WORK PIPE DOWN TO 11,342'. 14.00 - 15:00 1.00 CASING P 11,430.00 RUNPRD STACKING WT AT 11,342'REPEATEDLY. CONTINUING TO WORK LINER DOWN. RUN LINER DOWN WITH PUMPS OFF,ABLE TO MAKE IT TO BOTTOM. 15:00 - 18:00 3.00 CASING P 11,430.00 RUNPRD PICK UP TO LOG GR TIE-IN,CORRECT+2.5 FT. RIH AND TAG LINER TOP AT 8,807',ADD 3.3' FOR LENGTH OF STINGER GIVES 8,810.3' FOR LINER TOP. DYNAMIC FLOW CHECK NEAR BOTTOM IS GOOD. POOH,FLAG PIPE AT 8,400'EOP. 18:00 - 22:30 4.50 CASING P 11,430.00 RUNPRD I MONITOR WELL FOR 10 MINUTES AT BHA: STATIC - CLOSE EDC,POWER DOWN - INJECTOR OFF:17:35 - LAY DOWN COILTRAK TOOLS AND G-SPEAR. - MAKE UP 2-1/16"JOINT. - PUMP 178'OF POSSIBLE 265'OF SLACK OUT. - LOAD AND LAUNCH 3/4"STEEL DRIFT BALL. RECOVERED BALL. - STAND INJECTOR BACK. -PREPARE FLOOR FOR WORKSTRING DEPLOY Printed 1/11/2018 4:57:18PM *AII depths reported in Drillers Depths* `North America-ALASKA-BP � Page 2 of 8 ////— i.,;�J b/ Operation Summary Report Common Well Name:E-12 AFE No Event Type:COM-ONSHORE(CON) Start Date:12/21/2017 End Date: X3-0184F-C:(823,621 00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:CDR-2 Spud Date/Time:4/19/1982 12:00:00AM Rig Release:12/26/2017 Rig Contractor:NABORS ALASKA DRILLING INC. LBPUOI:USA00000697 Active datum:KB©64.27usft(above Mean Sea Level) Date From-To Hrs Task Code NPT Total Depth Phase Description of Operations (hr) (usft) 22:30 - 00:00 1.50 CEMT P 11,430.00 RUNPRD CEMENTING BHA MAKEUP -MAKE UP NS CEMENTING STINGER,5/8" DISCONNECT -30 JOINTS 1"CSH JOINTS 12/22/2017 00:00 - 03:15 3.25 CEMT P 11,430.00 RUNPRD CEMENTING BHA MAKEUP -56 JOINTS OF 1"CSH HYDRIL -XO,3/4"DISCONNECT,XO -6 JOINTS OF 2-1/16"3.25#CSH 03:15 - 05:20 2.08 CEMT P 11,430.00 RUNPRD BREAK CIRCULATION CIRCULATION PRESSURE:1900# 0.60 BPM IN/0.60 BPM OUT 8.90 PPG IN /8.95 PPG OUT PT QTS FOR 5 MIN TO 3500# UP WEIGHT IS 34KAT LINER TOP. CIRC PRESSURE AT 1.3 BPM IS 4,200 PSI. 05:20 - 07:30 2.17 CEMT I P 11,430.00 RUNPRD GO TO MIN RATE,RIH PAST LINER TOP. SET DOWN AT 9,390'. PICK UP AND RIH PAST, NOTHING SEEN. STOP AT FLAG,CORRECT-7 FT. CONSISTENT WITH EARLIER DRILLING CORRECTIONS. RIH TO 11,380'AND CIRCULATE LINER TO KCL. ONCE KCL IS OUT OF 1"PRESSURE IS 2,800 PSI AT 1.5 BPM CIRCULATING MUD OUT OF LINER. 07:30 - 10:00 2.50 CEMT P 11,430.00 RUNPRD OPEN PUMP BLEED,RIH SLOWLY AND STING INTO ORC VALVE AT 11,410'. STACK 7K DOWN. BRING PUMP ON SLOWLY,RUPTURE SHEAR DISKAT 2,800 PSI. I PUMP PRESSURE IS NOW 3,900 PSI AT 1.3 BPM,INDICATES CIRCULATION PATH AROUND THE OUTSIDE OF LINER. CIRCULATE WELL TO KCL. 10:00 - 10:30 0.50 CEMT P 11,430.00 RUNPRD ONCE KCLALLTHE WAY AROUND,1.2 BPM= 4,200 PSI. SEND KCL TO CEMENT UNIT FOR PT. WSL REVIEW PRESSURE XCHECK WITH PUMP OPERATOR AND WITNESS LOW PRESSURE TRIPS. PRESSURE TEST CEMENT LINES TO 4,800 PSI,GOOD FLAG PIPE AT 8,530'EOP Printed 1/11/2018 4.57 18PM "All depths reported in Drillers Depths* • North America-ALASKA-BP • Page 3 of 8 Operation Summary Report Common Well Name:E-12 AFE No Event Type:COM-ONSHORE(CON) Start Date:12/21/2017 End Date: X3-0184F-C:(823,621.00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:CDR-2 Spud Date/Time:4/19/1982 12:00:00AM Rig Release:12/26/2017 Rig Contractor:NABORS ALASKA DRILLING INC. IBPUOI:USA00000697 Active datum:KB @64.27usft(above Mean Sea Level) Date From-To Hrs Task Code NPT Total Depth Phase Description of Operations (hr) (usft) 10:30 - 13:20 2.83 CEMT P 11,430.00 RUNPRD CONDUCT PJSM FOR PUMPING CEMENT WITH NABORS,SLB CEMENT CREW AND CH2 TRUCK LEAD. BATCH UP AND PUMP 17.9 BBLS 15.2# CEMENT INTO THE REEL WITH THE SLB CEMENT UNIT. DISPLACE CEMENT TO SHOE WITH RIG PUMP. ZERO OUT MM WHEN CEMENT REACHES SHOE AND TAKE RETURNS TO ONE PIT. 1A TH 2 BBLS CEMENT LEFT ABOVE STINGER, I PICK UP 20 FT,42K TO PULL OUT. PUMP 2 BBLS EXHAUST AROUND AND OUT OF LINER THEN RIH SLOWLY TO 5 FT ABOVE ORC VALVE. ' CIRCULATE HERE FOR 10 BBLS,THEN POOH. RECIPROCATE ONCE AT LINER TOP THEN PULL SLOWLY THROUGH HERE. TOTAL OF 15.8 BBLS BEHIND PIPE ON OUT MM,16.4 ONPIT LEVEL. 13:20 - 15:00 1.67 CEMT P ® 11,430.00 RUNPRD POOH,PUMP 1.8 BPM/3,600 PSI. •GET CEMENT RETURNS BACK,ESTIMATED 3 BBLS. 15:00 - 20:20 5.33 CEMZ_ P 11,430.00 RUNPRD FLOW CHECK AT BHA,STATIC. REVIEW PROCEDURE AND PJSM FOR LAYING DOWN 1"CSH. OPEN RISER,INSPECT LAST 50'OF CT, NOTHING SEEN LAY DOWN 6 JTS OF 2-1/16"CSH AND 86 JTS I OF 1"CSH. AFTER UD 6 JTS OF 1"CSH,CONDUCT KICK DRILL WITH VAN CLEVE CREW. CREW PICKS UP SAFETY JOINT AND X0 AND MAKES IT UP TO 1"CSH. SAFETY JT IS LOWERED INTO STACK,WELL IS READY TO SHUT IN AROUND 3 MIN. 11 CONDUCT AAR WITH CREW. CONTINUE UD 1"CSH RECOVERED NS SPEAR AND LOWER ORCA STINGER. 20:20 - 00:00 3.67 PERF 11,430.00 OTHCMP CLEAR RIG FLOOR AND PREPARE FOR PERFORATING. PJSM, VERIFY RUNNING ORDER.WITH TCP !SPECIALIST. PROGRAM FIRING HEAD. MAKE UP HALLIBURTON 1.56"PERFECTA PERF GUNS W/FIRING HEAD. PICK UP 45 JOINTS OF 84 1"CSH 12/23/2017 00:00 - 02:30 2.50 PERF 11,430.00 OTHCMP FINISH MAKEUP OF 1"CSH WORKSTRING -MAKE UP 2 JOINTS OF 2-1/16"CSH -MAKE UP TO INJECTOR. INJECTOR ON 02:15 -PT QTS TO 3500#FOR 5 CHARTED MINUTES. GOOD TEST. Printed 1/11/2018 4:57:18PM *AII depths reported in Drillers Depths* • North America-ALASKA-BP '' Page 4 of 8 Operation Summary Report " " �' �' Common Well Name:E-12 AFE No Event Type:COM-ONSHORE(CON) Start Date:12/21/2017 End Date: X3-0184F-C:(823,621 00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:CDR-2 Spud Date/Time:4/19/1982 12:00:00AM Rig Release:12/26/2017 Rig Contractor:NABORSALASKA DRILLING INC. BPUOI:USA00000697 Active datum:KB©64.27usft(above Mean Sea Level) Date From-To Hrs Task Code NPT Total Depth Phase Description of Operations (hr) ' (usft) 02:30 - 05:00 2.50 PERF P 11,430.00 OTHCMP RIH WITH PERFORATION BHA#11 -RATE:0.32 BPM IN,0.32 BPM OUT.CIRC PRESSURE:243 PSI MUD WEIGHT:8.44 PPG IN,8.44 PPG OUT PU WEIGHT AT 8750'34K, RIH WEIGHT 24K CONTINUE INTO LINER TOP. -SAT DOWN AT 9610'.PU CLEAN. RUN RIGHT BY WHATEVER IT WAS. -SAT DOWN AT 9952'.PU CLEAN. SETTING DOWN IN MIDDLE OF NOWWHERE. -INCREASE RATE TO 1.5 BPM IN/1.5 BPM OUT. -SAT DOWN 10375'. STACK WEIGHT,WORK DOWN TO 10,430' 05:00 - 07:30 2.50 PERF N 11,430.00 OTHCMP NOTABLE TO WORK DOWN. DISCUSS WITH ODE,DECIDE TO POOH FOR CLEANOUT RUN. PULLABOVE LINER TOP,DYNAMIC FLOW CHECK IS GOAD. POOH,PUMP 1.67 BPM/3,400 PSI. 07:30 - 12:00 4.50 PERF N 11,430.00 OTHCMP MONITOR WELL FOR 10 MIN AT BHA: STATIC CONDUCT PJSM FOR LAYING DOWN 1"CSH. UD 2 JTS OF 2-1/16"CSH AND 74 JTS OF 1" CSH. t WITH PERF GUNS 300'FROM SURFACE CONDUCT PJSM FOR LAYING DOWN GUNS WITH HES PERF CREW. L/D REMAINING 10 JTS 1"CSH AND PERF GUNS. FIRING HEAD HAD SCRATCHES ON IT, DISCUSS WITH ODE. 12:00 - 17:00 5.00 PERF N 11,430.00 OTHCMP MAKE UP BHA#13. CLEANOUT BHA WITH 1.875"PARABOLIC MILL,86 JTS OF 1"CSH. 17:00 18:45 1.75 PERF N 11,430.00 OTHCMP MAKE UP INJECTOR. PRESSURE TEST QTS TO 3,500 PSI,GOOD RIH. 18:45 - 21:30 2.75 PERF N 11,430.00 OTHCMP ESTABLISH PARAMETERS RUN THROUGH LINER TOP DRY. -FREE SPIN:1.07 BPM @ 2000 PSI -1.07 BPM IN /1.18 BPM - PUMP 10 BBL HIVIS PILL -STOP AT 9600' PU CLEAN 33K WITHOUT PUMPING. -RIH WEIGHT 25K CLEAN DOWN TO 9800', PULL 100'WIPER. 1-RIH WEIGHT 25K CLEAN DOWN TO 10100', PULL 200'WIPER RIH WEIGHT 25K CLEAN DOWN TO 10277', STACKED WEIGHT AND STALLED. PU CLEAN. -RUN RIGHT BY 10,277'. RIH TO 10.300'. PULL 100'WIPER -RUN WEIGHT 25K CLEAN DOWN TO 10550'. 10 BBLS HIVIS OUT FOLLOWED BY 1%KCL. Printed 1/11/2018 4:57:18PM *AII depths reported in Drillers Depths* North America-ALASKA-BP • Page 5 of 8 Operation Summary Report Common Well Name:E-12 AFE No Event Type:COM-ONSHORE(CON) Start Date:12/21/2017 End Date: X3-0184F-C:(823,621.00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:CDR-2 Spud Date/Time:4/19/1982 12:00:00AM Rig Release:12/26/2017 Rig Contractor:NABORS ALASKA DRILLING INC. BPUOI:USA00000697 Active datum:KB @64.27usft(above Mean Sea Level) Date I From-To Hrs Task Code NPT Total Depth Phase Description of Operations (hr) (usft) 21:30 - 00:00 2.50 PERF N 11,430.00 OTHCMP WIPER TO LINER TOP 1.20 BPM IN /1.20 OUT. NO ISSUES. TURNAROUND -RIH WEIGHT 26K CLEAN DOWN TO 10,900' -PERFORM 100'WIPER. -+3.5'CORRECTION AT FLAG. •-RIH WEIGHT 26K CLEAN DOWN TO 11403'. STACK 7K ON BOTTOM. SEEING 250 PSI MOTOR WORK. SET ON FOR 15 MIN. NOT DRILLING OFF. ACTING LIKE WE ARE ON BOTTOM. -DISCUSSION WITH ODE. CALLING BOTTOM. PICKUP AND REPAINT PREVIOUS FLAG. -10 BBLS OF 100K LSRV HIGH VIS PILL. START CHASING WHEN OUT BIT. 12/24/2017 00:00 - 03:15 3.25 PERF N 11,410.00 OTHCMP WIPER TO LINER TOP WITHOUT ISSUE -RUN BACK TO BOTTOM WITHOUT ISSUE -TAG SOLID AT 11403'. -CIRCULATE CLEAN 1%SLICK KCL FROM BOTTOM. -REPAINT EOP FLAG FOR PERFORATING. POOH TO LINER WHILE PUMPING MAX OF 1.2 BPM. 1.20 BPM IN /1.08 BPM OUT - 8.44 PPG IN/8.45 PPG OUT 03:15 - 07:00 3.75 PERF N 11,410.00 OTHCMP LOAD AND LAUNCH 1/2"STEEL BALL. AT 34.5 BBLS AWAY. SHARP DROP IN PRESSURE. SEND 20 BBLS OF 100K LSRV HIVIS. STAGE CIRC SUB JUST INSIDE DEPLOYMENT !!SLEEVE. I POOH,PUMP 2.2 BPM/4,200 PSI. AROUND 7,000 FT SEE PUMP PRESSURE INCREASE. REDUCE RATE TO 1.8 BPM/4,000 PSI AND CONTINUE POOH AT REDUCED PULLING SPEED. PUMP PRESSURE SLOWLY DECREASES BACK DOWN AS POOH. 07:00 - 07:45 0.75 PERF N 11,410.00 OTHCMP FLOW CHECK AT SURFACE,STATIC. CONDUCT PJSM AND REVIEW PROCEDURE FOR LAYING DOWN 2-1/16"CSH AND 1"CSH. START UD PIPE. 07:45 08:30 0.75 PERF N • 11,410.00 OTHCMP ON SECOND JOINT OF 2-1/16"CSH,THE PIN END HANGS UP ON THE SKATE. DRILLER STOPS TOP DRIVE,HOWEVER JOINT IS COMPRESSED AND BENT SLIGHTLY. JOB IS STOPPED AND EVERYTHING SECURED. INSPECT PIPE SKATE AND PIN END OF JOINT. DISCUSS WITH CREWS MITIGATIONS FOR LAYING DOWN REMAINDER OF STRING, WHICH IS 1"CSH. LAY DOWN 1"CSH. HYDRAULIC HOSE FAILS ON LITTLE JERKS, SWAP OUT WITH SPARE. 08:30 - 13:00 4.50 PERF N 11,410.00 OTHCMP UD REST OF 1"CSH. LAY DOWN MOTOR,RECOVER 1/2"BALL. Printed 1/11/2018 4:57:18PM `AII depths reported in Drillers Depths* • North America-ALASKA-BP • Page 6 of 8 Operation Summary Report Common Well Name:E-12 AFE No Event Type:COM-ONSHORE(CON) Start Date:12/21/2017 End Date: X3-0184F-C:(823,621.00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:CDR-2 Spud Date/Time:4/19/1982 12:00:00AM Rig Release:12/26/2017 Rig Contractor:NABORS ALASKA DRILLING INC. BPUOI:USA00000697 Active datum:KB©64.27usft(above Mean Sea Level) Date , From-To Hrs Task Code NPT Total Depth Phase Description of Operations (hr) (usft) 13:00 - 14:30 1.50 BOPSUR N 11,410.00 OTHCMP PREP RIG FLOOR FOR BOP TEST. FLOOD LINES,REVIEW PROCEDURE. GREASE CHOKE MANIFOLD VALVES. PURGE AIR FROM LINES. PRE-JOB SAFETY MEETING ON TESTING BOPE. 14:30 - 22:30 8.00 BOPSUR N 11,410.00 OTHCMP BOPE PRESSURE TEST. -7 1/16"BOPE CONFIGURATION FROM TOP DOWN. -ANNULAR,BLIND/SHEARS,2"PIPE/SLIPS, MUD CROSS,2 3/8"PIPE/SLIPS,2" PIPE/SLIPS. -TEST ALL RAMS,250 PSI/LOW,3500 PSI/ HIGH,5 MIN EACH,CHARTED. -TEST CHOKE MANIFOLD VALVES,250/3500 PSI,5 MIN EACH,CHARTED. -TEST ANNULAR PREVENTOR,350 PSI/LOW, 2500 PSI/HIGH,CHARTED. -PERFORM DRAWDOWN TEST ON ACCUMULATOR. -AOGCC INSPECTOR JEFF JONES WAIVED WITNESS. 22:30 - 00:00 1.50 BOPSUR , N 11,410,00 OTHCMP INNER REEL VALVE,PACK-OFF,C9,C10 'BACKWARD TEST -REPLACE PACKOFF ELEMENT -CIRCULATE TO FLUID PACK. -TEST 250 PSI LOW/3500 PSI HIGH FOR 5 MIN EACH 12/25/2017 00:00 - 01:00 1.00 BOPSUR P - 11,410.00 OTHCMP FINISH IRV/PACKOFF TEST. RUN THROUGH VALVE CHECKLIST. OPEN WELL UP TO CLOSED CHOKE. WELL DEAD. FILL HOLE 0.8 BBL 01.00 - 01:30 0.50 CASING P I 11,410.00 OTHCMP LINER LAP TEST REVIEW PRESSURE CROSSCHECK -PRESSURE UP TO 2000 PSI W/3.3 BBLS. BROKE OVER AND STARTED INJECTING. -LINER LAP FAILED:LLR OF 0.45 BPM @ 2000 PSI. -BLEED PRESSURE OFF. 01:30 - 02:00 0.50 PERF N 11,410.00 OTHCMP PREPARE RIG FLOOR FOR RUNNING WORKSTRING PJSM W/HALLIBURTON TCP SPECIALISTS. POST SIGNS ON CELLAR. MAKE ANNOUNCEMENTS ON HUB AND RIG RADIO 02:00 - 05:30 3.50 PERF N 11,410.00 OTHCMP MAKE UP PERFORATION GUNS /FIRING HEAD. MAKE 1"CSH WORKSTRING INJECTOR ON AT 05:30. 05:30 - 08:00 2.50 PERF N 11,410.00 OTHCMP RIH WITH PERFORATING BHA. -RATE:0.28 BPM IN,0.59 BPM OUT.CIRC PRESSURE:260 PSI -MUD WEIGHT:8.38 PPG IN,8.44 PPG OUT -WEIGHT CHECK AT LINER TOP IS 34K -NO ISSUES THROUGH LINER TOP DOWN TO 9,300'. Printed 1/11/2018 4:57:18PM *All depths reported in Drillers Depths* 411 North America-ALASKA-BP Page 7 of 8 Operation Summary Report Common Well Name:E-12 AFE No Event Type:COM-ONSHORE(CON) Start Date:12/21/2017 End Date: X3-0184F-C:(823,621.00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:CDR-2 Spud Date/Time:4/19/1982 12:00:00AM Rig Release:12/26/2017 Rig Contractor:NABORS ALASKA DRILLING INC. BPUOI:USA00000697 Active datum:KB @64.27usft(above Mean Sea Level) Date From-To Hrs Task Code NPT Total Depth Phase Description of Operations (hr) (usft) 08:00 - 09:30 1.50 PERF P i 11,410.00 OTHCMP -RIH TO BOTTOM 30 FT/MIN,NOTHING SEEN. -CORRECT-14'AT FLAG. -LIGHT TAG AT 11,400',PICK UP AND START CYCLING PIPE TO FIRE GUNS. -AFTER FINAL PIPE MOVEMENT GET BACK TO SHOT DEPTH. -GOOD INDICATION OF SHOTS FROM -ACOUSTIC AND LOSS OF WHP. PERFORATED INTERVAL: 11,350'-11,415' 09:30 - 12:00 2.50 PERF P 11,410.00 OTHCMP 'POOH,HOLD 250 PSI WHP KEEP PULLING SPEED<5Q FT/MIN. 10 MIN PUMPS OFF FLOWCHECKAT LINER TOP IS GOOD,NO FLOW. POOH. 12:00 - 19:00 7.00 PERF P 11,410.00 OTHCMP AT SURFACE,PUMP FRESH WATER AROUND TO RINSE 1"WORKSTRING OUT. 10 MIN FLOWCHECKAT SURFACE,STATIC. UD 2 JTS OF 2-1/16"CSH AND 84 JTS OF 1" CSH. UD FIRING HEAD AND ALL SHOTS FIRED I PERF GUNS. CLEAN AND CLEAR RIG FLOOR. 19:00 - 22:00 3.00 CONDHL P 11,410.00 POST PJSM WITH LRS -MAKE UP FREEZE PROTECT BHA#15 -RU AND PRESSURE TEST LRS TO 3500# -LAY 58 BBLS DIESEL IN TO SURFACE. -SHUT MASTER VALVE. MOVE LRS OUT OF WAY. -JET STACK WITH REMAINING DIESEL IN COILAND SWAP COIL OVER TO FRESHWATER. -SPOT 5 BBLS METHANOL IN COIL. PRE NITROGEN BLOWDOWN. 22:00 - 00:00 2.00 CONDHL P 11,410.00 POST PJSM WITH HALLIBURTON N2 CREW. -SPOT NITROGEN UNIT. RU HARDLINE TO OUR CEMENT LINE. -VERIFY RESTRAINT ARE IN PLACE -WSL REVIEW PRESSURE CROSSCHECK WITH CREW • -WSL WITNESS PRESSURE TEST AND TRIPS 12/26/2017 00:00 - 02:00 2.00 DEMOB P 11,410.00 POST BLOW REEL DOWN WITH NITROGEN -ONCE BLED COMPLETELY DOWN. -GREASE CREW SERVICED MASTER/SWAB /DUAL WING VALVES. 02:00 - 04:30 2.50 DEMOB P 11,410.00 POST PJSM. RIG DOWN BHA AND CUT COIL CONNECTOR OFF. INSTALL NIGHT CAP. FINISH BLOWING DOWN RIG IN PREPARATION TO REMOVE MPD LINE. REMOVE MPD LINE, INSTALL TAPPED BLIND. FILL TREE WITH METHANOL. PERFORM PASSING LTT ON MASTER AND SWAB TO 3500# Printed 1/11/2018 4:57:18PM *AII depths reported in Drillers Depths* • North America-ALASKA-BP • Page 8 of 8 Operation Summary Report Common Well Name:E-12 AFE No Event Type:COM-ONSHORE(CON) Start Date:12/21/2017 End Date: X3-0184F-C:(823,621.00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:CDR-2 Spud Date/Time:4/19/1982 12:00:00AM Rig Release:12/26/2017 Rig Contractor:NABORS ALASKA DRILLING INC. BPUOI:USA00000697 Active datum:KB @64.27usft(above Mean Sea Level) Date From-To Hrs Task Code NPT Total Depth Phase Description of Operations (hr) (usft) 04:30 - 10:30 6.00 DEMOB P 11,410.00 POST !CHANGE OUT BOP RAMS FOR 2-3/8" CONFIGURATION. CONFIGURE STACK FOR 2-3/8"COIL BLIND SHEARS 2-3/8 COMBI'S 2-3/8 X 3-1/2 VBR'S 2-3/8 COMBI'S CHANGE OUT STRIPPER BRASS REMOVE 1502 LINE AND WASH PIPE FROM INSIDE REEL. 10:30 - 12:00 1.50 DEMOB P 11,410.00 , POST CONDUCT PJSM AND REVIEW PROCEDURE FOR PULLING CT OUT OF INJECTOR AND BACK TO REEL. PULL CT BACK TO REEL AND SECURE IT. 12:00 RIG RELEASED FROM E-12 Printed 1/11/2018 4:57:18PM *AII depths reported in Drillers Depths* • • 0 C W `° Q = o W�� 0 m Q � -J 0 Q a CD CD CDQ >' O I co m N Cn N w 6 4-1 r•1 Lr7 Crt P1 O 'a W C%1 N /1 i m e- 0 •N .� y1 Z aaww LL 2 0 lilL• ------- --- - O 0 Z a CO ..l.E V O N I CernS Lo o v v LW.'c' LO "' n o 0 o O rn CO QCO / CT a N <` CO 7 ./� V O °O W O m f� Q a o 0 O m m Q c O O . 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Drilling North America - ALASKA - BP Prudhoe Bay PB E Pad E-12 E-12A E-12A Anticollision Summary Report 09 January, 2018 HUGHES a GE company AOGCC • BP • BAER 0 bp Anticollision Report F JGHES a GE company Company: North America-ALASKA-BP Local Co-ordinate Reference: Well E-12 Project: Prudhoe Bay TVD Reference: KB©64.27usft(E-12 OKB) Reference Site: PB E Pad MD Reference: KB©64.27usft(E-12 OKB) Site Error: 0.00usft North Reference: True Reference Well: E-12 Survey Calculation Method: Minimum Curvature Well Error: 0.00usft Output errors are at 1.00 sigma Reference Wellbore E-12A Database: EDM R5K-Alaska PROD-ANCP1 Reference Design: E-12A Offset TVD Reference: Offset Datum Reference E-12A Filter type: NO GLOBAL FILTER:Using user defined selection&filtering criteria WARNING:There is hidden tight data in this project Interpolation Method: MD Interval 25.0ousft Error Model: ISCWSA Depth Range: Unlimited Scan Method: Tray.Cylinder North Results Limited by: Maximum center-center distance of 500.00usft Error Surface: Elliptical Conic Survey Program Date 12/27/2017 From To (usft) (usft) Survey(Wellbore) Tool Name Description 99.97 8,800.00 1 :Sperry-Sun BOSS gyro multi(E-12) BOSS-GYRO Sperry-Sun BOSS gyro multishot 8,851.00 11,430.00 BHGE CoilTrak MWD(E-12A) MWD MWD-Standard 1/9/2018 11:48:13AM a •.ge 2 of 5 C C COMPASS 5000.1 Build 81D 0 BP 0 BITER ( 64, 0 bp Anticollision Report HUGHES a GE company Company: North America-ALASKA-BP Local Co-ordinate Reference: Well E-12 Project: Prudhoe Bay TVD Reference: KB @ 64.27usft(E-12 OKB) Reference Site: PB E Pad MD Reference: KB @ 64.27usft(E-12 OKB) Site Error: 0.00usft North Reference: True Reference Well: E-12 Survey Calculation Method: Minimum Curvature Well Error: 0.00usft Output errors are at 1.00 sigma Reference Wellbore E-12A Database: EDM R5K-Alaska PROD-ANCP1 Reference Design: E-12A Offset TVD Reference: Offset Datum Summary Reference Offset Centre to No-Go Allowable Measured Measured Centre Distance Deviation Warning Site Name Depth Depth Distance (usft) from Plan Offset Well-Wellbore-Design (usft) (usft) (usft) (usft) PB E Pad E-01-E-01-E-01 4,561.98 4,650.00 426.72 99.28 327.68 Pass-Major Risk E-01-E-01A-E-01A 4,561.98 4,650.00 426.72 99.28 327.68 Pass-Major Risk E-01-E-01APB1-E-01APB1 4,561.98 4,650.00 426.72 99.28 327.68 Pass-Major Risk E-01-E-01 B-E-01 B 4,561.98 4,650.00 426.72 99.28 327.68 Pass-Major Risk E-03-E-03-E-03 4,363.70 4,425.00 295.78 48.36 247.41 Pass-Major Risk E-03-E-03A-E-03A 4,363.70 4,425.00 295.78 48.36 247.41 Pass-Major Risk E-05-E-05B-E-05B Out of range E-05-E-05C-E-05C Out of range E-08-E-08-E-08 2,653.63 2,650.00 426.75 35.58 391.23 Pass-Major Risk E-08-E-08A-E-08A 2,653.63 2,650.00 426.75 35.58 391.23 Pass-Major Risk E-09-E-09-E-09 3,346.40 3,350.00 303.00 51.31 251.73 Pass-Major Risk E-09-E-09A-E-09A 3,341.76 3,350.00 302.88 51.20 251.72 Pass-Major Risk E-09-E-09APB1-E-09APB1 3,341.76 3,350.00 302.88 51.20 251.72 Pass-Major Risk E-09-E-09B-E-09B 3,341.76 3,350.00 302.88 51.20 251.72 Pass-Major Risk E-09-E-09C-E-09C 3,341.76 3,350.00 302.88 51.20 251.72 Pass-Major Risk E-09-E-09CPB1-E-09CPB1 3,341.76 3,350.00 302.88 51.20 251.72 Pass-Major Risk E-10-E-10-E-10 2,303.91 2,300.00 213.47 34.32 179.15 Pass-Major Risk E-10-E-10A-E-10A 2,303.91 2,300.00 213.47 34.32 179.15 Pass-Major Risk E-10-E-108-E-10B 2,304.63 2,300.00 213.47 34.32 179.16 Pass-Major Risk E-100-E-100-E-100 716.36 725.00 301.99 14.69 287.30 Pass-Major Risk E-102-E-102-E-102 696.74 700.00 260.45 13.30 247.17 Pass-Major Risk E-104-E-104-E-104 671.54 675.00 185.72 13.34 172.41 Pass-Major Risk E-11-E-11-E-11 1,653.32 1,650.00 109.74 27.33 82.45 Pass-Major Risk E-11-E-11A-E-11A 1,645.53 1,650.00 109.62 27.21 82.45 Pass-Major Risk E-11-E-11APB1-E-11APB1 1,645.53 1,650.00 109.62 27.21 82.45 Pass-Major Risk E-11-E-11 B-E-11 B 1,656.27 1,650.00 109.79 27.38 82.46 Pass-Major Risk E-11-E-11 BL1-E-11 BL1 1,656.27 1,650.00 109.79 27.38 82.46 Pass-Major Risk E-11-E-11BL1-01-E-11BL1-01 1,656.27 1,650.00 109.79 27.38 82.46 Pass-Major Risk E-11-E-11 BL1 PB1-E-11 BL1 PB1 1,656.27 1,650.00 109.79 27.38 82.46 Pass-Major Risk E-11-E-11 BL1 PB1-Plan#7 1,656.27 1,650.00 109.79 27.38 82.46 Pass-Major Risk E-11-E-11 BL1 PB2-E-11 BL1 PB2 1,656.27 1,650.00 109.79 27.38 82.46 Pass-Major Risk E-12-E-12-E-12 9,109.02 9,150.00 105.32 22.15 89.13 Pass-Major Risk E-13-E-13-E-13 2,195.68 2,200.00 95.25 35.37 59.90 Pass-Major Risk E-13-E-13A-E-13A 2,195.68 2,200.00 95.25 35.37 59.90 Pass-Major Risk E-14-E-14-E-14 1,823.62 1,825.00 210.80 28.67 182.14 Pass-Major Risk E-14-E-14A-E-14A 1,823.62 1,825.00 210.80 28.67 182.14 Pass-Major Risk E-15-E-15-E-15 2,069.91 2,075.00 323.26 31.52 291.75 Pass-Major Risk E-15-E-15A-E-15A 2,065.83 2,075.00 323.19 31.45 291.75 Pass-Major Risk E-15-E-15APB1-E-15APB1 2,065.83 2,075.00 323.19 31.45 291.75 Pass-Major Risk E-15-E-15APB2-E-15APB2 2,065.83 2,075.00 323.19 31.45 291.75 Pass-Major Risk E-15-E-15B-E-15B 2,065.83 2,075.00 323.19 31.45 291.75 Pass-Major Risk E-15-E-15BPB1-E-15BPB1 2,065.83 2,075.00 323.19 31.45 291.75 Pass-Major Risk E-15-E-15C-E-15C 2,070.97 2,075.00 323.28 31.54 291.75 Pass-Major Risk E-15-E-15D-E-15D 2,070.97 2,075.00 323.28 31.54 291.75 Pass-Major Risk E-15-E-15E-E-15E 2,070.97 2,075.00 323.28 31.54 291.75 Pass-Major Risk E-31-E-31-E-31 824.93 825.00 24.58 13.91 10.67 Pass-Major Risk E-31-E-31A-E-31A 805.87 800.00 24.51 13.82 10.68 Pass-Major Risk E-34-E-34-E-34 3,491.68 3,500.00 419.01 41.02 378.06 Pass-Major Risk E-34-E-34A-E-34A 3,491.68 3,500.00 419.01 41.07 378.02 Pass-Major Risk E-34-E-34L1-E-34L1 3,491.68 3,500.00 419.01 41.05 378.03 Pass-Major Risk E-38-E-38-E-38 8,747.19 8,750.00 214.60 105.99 113.99 Pass-Major Risk E-38-E-38PB1-E-38PB1 8,747.198,750.00 214.60 106.12 113.86 Pass-Major Risk E-38-E-38PB2-E-38PB2 8,747.19 8,750.00 214.60 106.12 113.86 Pass-Major Risk 1/9/2018 11:48:13AM Ao ge 3of 5 COMPASS 5000.1 Build 81D JCC iBP • i3AER 0 bp Anticollision Report UGHES a GE company Company: North America-ALASKA-BP Local Co-ordinate Reference: Well E-12 Project: Prudhoe Bay TVD Reference: KB @ 64.27usft(E-12 OKB) Reference Site: PB E Pad MD Reference: KB @ 64.27usft(E-12 OKB) Site Error: 0.00usft North Reference: True Reference Well: E-12 Survey Calculation Method: Minimum Curvature Well Error: 0.00usft Output errors are at 1.00 sigma Reference Wellbore E-12A Database: EDM R5K-Alaska PROD-ANCP1 Reference Design: E-12A Offset TVD Reference: Offset Datum Summary Reference Offset Centre to No-Go Allowable Measured Measured Centre Distance Deviation Warning Site Name Depth Depth Distance (usft) from Plan Offset Well-Wellbore-Design (usft) (usft) (usft) (usft) 1/9/2018 11:48:13AM Ao .,ge 4 of 5 C COMPASS 5000.1 Build 81D 044, • BP 0 BAER Anticollision Report UGHES %44M°* a GE company Company: North America-ALASKA-BP Local Co-ordinate Reference: Well E-12 Project: Prudhoe Bay TVD Reference: KB @ 64.27usft(E-12 OKB) Reference Site: PB E Pad MD Reference: KB @ 64.27usft(E-12 OKB) Site Error: 0.00usft North Reference: True Reference Well: E-12 Survey Calculation Method: Minimum Curvature Well Error: 0.00usft Output errors are at 1.00 sigma Reference Wellbore E-12A Database: EDM R5K-Alaska PROD-ANCP1 Reference Design: E-12A Offset TVD Reference: Offset Datum Reference Depths are relative to KB @ 64.27usft(E-12 OKB) Coordinates are relative to:E-12 Offset Depths are relative to Offset Datum Coordinate System is Alaska NAD27 State Plane Zones,NAD27*OGP-Usa AK Central Meridian is 150°0'0.000 W° Grid Convergence at Surface is:1.26° 1/9/2018 11:48:13AM a •,ge 5 of 5 C C COMPASS 5000.1 Build 810 iQ L N 0�pp m 0 RC a 3. 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PRINT DISTRIBUTION LIST a GE company Please sign and return one copy of this transmittal form to: COMPANY BP Exploration Alaska Inc. BP Exploration(Alaska)Inc. DATA LIIGGED /' 2011 Petrotechnical Data Center,LR2-1 ;,,1 K BENDER WELL NAME E-12A 900 E.Benson Blvd. RECEIVEC, 1 Anchorage,Alaska 99508 or AKGDMINTERNAL@bp.com FIELD Prudhoe Bay Unit to acknowledge receipt of this data. COUNTY PRUDHOE BAY JAN 1 1 2018 LOG TYPE GR-RES BHI DISTRICT Alaska OGcc LOG DATE December 20,2017 AUTHORIZED BY Patrick Rider EMAIL Patrick.Riderbhqe.com TODAYS DATE January 10,2018 Revision STATUS Final Replacement: No Details: Rev. Requested by: COMPANY FIELD/ FINAL CD/DVD FINAL PRELIM LOGS (las,dlis,PDF,META, SURVEY REPORT ADDRESS(FEDEX WILL NOT DELIVER TO P.O.BOX) LOGS CGM,Final Surveys) (Compass) PERSON ATTENTIONJ #OF PRINTS #UI-I'RIN IS ' #OF COPIES #OF COPIES #OF COPIES 1 BP North Slope. 0 1 0 1 0 EOA,PBOC,PRB-20(Office 109) D&C Wells Project Aides Attn:Benda Glassmaker&Peggy O'Neil 900 E.Benson Blvd. Anchorage.Alaska 99508 2 ConocoPhillips Alaska Inc. 0 0 1 1 0 Attn:Ricky Elgarico ATO 708 700 G Street Anchorage,AK 99510 3 ExxonMobil,Alaska 0 I 0 1 0 0 Attn:Lynda M.Yaskell and/or Leonardo Elias 3201 C Street,Suite 505 Anchorage,AK 99503 4 State of Alaska -AOGCC 0 1 1 1 0 Attn:Makana Bender 333 W.7th Ave,Suite 100 Anchorage,Alaska 99501 5 DNR-Division ofOil&Gas *** 0 0 1 1 0 Attn:Resource Evaluation 550 West 7th Avenue,Suite 1100 Anchorage,Alaska 99501 **Stamp"confidential"on all material deliver to DNR 6 BP Exploration(Alaska)Inc. 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V N NO N M r r n I n T.,y W + W C •O 0 0 0 lV d) N CO W 0 a— N CD O N J N c0 N O) N CO n O O Z N a a cO N M N M COcO COOO V O To = cci V O tO Cl) U O. r ONO y I- OO OHO Qy 0 " co co co co co U T C a1 m 'O O co 7 I— Q Od d N O co M 4 M L O O O O t "0 W N N N 3 •O.5 CO CO O P co co cn m Z a a W W W C y 0 = O r2 Q O N 48 .0 c O co 0 c . 0.h1 * 0o w Z`+ 0a io330 a Z 0 41111 pr D -/ 2 � rrz-- Loepp, Victoria T (DOA) From: Lastufka,Joseph N <Joseph.Lastufka@bp.com> Sent: Wednesday, December 20, 2017 11:14 AM To: Loepp, Victoria T (DOA) Cc: Hyatt, Trevor Subject: FW: E-12A Updated BOP Schematic Attachments: Nabors CDR2 BOPE Stack- Slimhole - E-12A UPDATE (12-20-17).pdf Follow Up Flag: Follow up Flag Status: Flagged Victoria, Please see attached for the current Nabors CDR2 BOPE sketch.There has been a change to the configuration that we provided November 29th. If you have any questions or would like additional information, please don't hesitate to let me know. ThankY ou Joe Lastufka Information and Data Controller Cell: (907) 227-84961 Office: (907) 564-4091 BP Exploration Alaska1900 E. Benson Blvd.JRoom: 788D1Anchorage, AK From: Hyatt,Trevor Sent:Wednesday, December 20,2017 11:10 AM To: Lastufka,Joseph N<Joseph.Lastufka@bp.com> Cc:Warren,Abigail M <Abigail.Warren@bp.com> Subject: E-12A Updated BOP Schematic Joe, Can you please pass along our current BOP ram configuration for E-12A(updated Schematic attached)? We previously sent them our configuration as follows: • Annular • Blind/Shear • 2" Pipe/Slip • Mud Cross • 2-3/8" x 3-1/2"VBRs • 2" Pipe/Slip But the current configuration is: • • • Annular • Blind/Shear • 2" Pipe/Slip • Mud Cross • 2-3/8" Pipe/Slip • 2" Pipe/Slip Let me know if you need anything else for contacting Victoria on this. Trevor Hyatt BP Exploration(Alaska), Inc. Coil Tubing&RWO Drilling Engineer Trevor.Hvatt@bp.com Cell: 907-223-3087 2 • • Well Srmhole CDR2-AC 4 Ram BOP Schematic Date 20-Dec-17 Quick Test Sub to Otis -1.1 ft AV Top of 7"Otis I 0.0 ft Mr 4--CDR2 Rig's dip Pan , Distances from top of riser Excluding quick-test sub 4- 7-1/16"6k Flange X 7"Ods Box Top of Annular I 6.0 ft fl I 13 Hydril 7 1/16" Top of Annular Element 6.7 ft Annular Bottom Annular ( 8.0 ft I ii. «m©afn Blind/Shear CL Blind/Shears 9.3 ft 2"Pipe/Slips CL 2"Pipe/Slips 10.1 ft ► 81 ( B2 83 I 04 Choke Line Kill Line e e J. gl a e e 7.1/16 " ilii 10ue10,'4ae• 1k::"At I iii 6' " Cross III II 2-318"Pipe/Slips CL 2-318"x 3-1/2"VBRs I 12.6 ft IiiIII �a ll 2'Pipe,Shps ar., NO1 1 CL 2"Pipe/Slips 13.4 ft ► �a •-..- 1 •-..- 1 CL of Top Swab 16.0 ft 4---- Swab Test Pump Hose . . , ., . op T1 , T2 CL of Flow Cross I 17.4 ft 1 •�• . ' •�• - Ore 11"---- Master CL of Master 18.8 ft ''� WM LDS I I •-„ 'Mt„ 1.4 IA III 11 it Ii. 11 1:4 OA II it, II II II LDS II I,m 111111 Ground Level L • • PTD 21 ro _1 2- 7 - Loepp, Victoria T (DOA) From: Lastufka,Joseph N <Joseph.Lastufka@bp.com> Sent: Tuesday, December 05, 2017 9:13 AM To: Loepp, Victoria T (DOA) Subject: RE: Updated BOPE Schematic for the following wells Attachments: Updated BOPE Schematic for the following wells; Updated BOPE Schematic for the following wells Follow Up Flag: Follow up Flag Status: Flagged Victoria, Sorry to bother you but could you please confirm the approval to change the BOPE schematic for the following wells? If you need any additional information please let me know. Thank you, Joe Lastufka Information and Data Controller Cell: (907) 227-84961 Office: (907) 564-4091 U', BP Exploration Alaska1900 E. Benson Blvd.IRoom: 788DlAnchorage, AK From: Lastufka,Joseph N Sent:Wednesday, November 29, 2017 9:59 AM To:Victoria.Loepp@alaska.gov Subject: Updated BOPE Schematic for the following wells Victoria, As Zach Browning indicated on Monday,we are changing the BOP stack for Nabors CDR2.This change will affect the approved and out for approval Permit to Drills. Please see list below for well name and PTD#(if available): 05-06B(PTD#216-121) E-07B (currently out for approval) E-12A(PTD#216-127) L-118L1 (PTD#217-006) Thank you, Joe Lastufka Information and Data Controller Cell: (907) 227-84961 Office: (907) 564-4091 s • • Well Slimhole CDR2-AC 4 Ram BOP Schematic Date 21-Nov-17 Quick Test Sub to Otis -1.1 ft — — - Topof7"Otis 0.O f1 -•—•—•—•---.—.—.—.—. _. —.—.—._ —CDR2 Rig's Drip Pan Distances from top of riser Excluding quick-test sub f- 74/16"5k Flange X 7"Otis Box Top of Annular I 6.0 ftil - Hydril 7 1116" Top of Annular Element 6.7 ft Annular Bottom Annular 8.0 ft J Blind/Shear CL Blind/Shears I 9.3 ft I '414.1 2"Pipe/Slips CL 2"Pipe/Slips 10.1 ft ► ',,`"'" B1 4I B2 B3 I B. Kill Line ■g Na :. ,w 7,ne.. w" .,,. ; E IP I I.. 1 S a f�.i t, s nn.�s I� v�� 1 . r"1 IIMYI 1 l:(OSS , III 2 3,8"r 3-t,2"VBRs III -I. Ct.2-3/8"x 3-1/2"VBRs 12.6 ft ► 1 .11111111111. � 17 '4. ,-, 2"Pipe!Slips dr."- '{,- CL 2"Pipe/Slips 13.4 ft „.. `I ,; L L CL of Top Swab 16.0 ft 4,11 4----Swab Test Pump Hose • • • • je Ti if T2 CL of Flow Cross I 17.4 ft I • • • • ir4 ` Master CL of Master 18.8 ft ail. I LDS I I ►•4 lir IA II,. II II I II ►' I, utn ,I OA LDS I I MUM -• Ground Level I' 1 . `sjp 116 - JZ ' Loepp, Victoria T (DOA) From: Mclaughlin,Sean M <Sean.McLaughlin@bp.com> Sent: Tuesday, February 07, 2017 10:26 AM To: Loepp,Victoria T(DOA) Subject: RE: MPD use - Nabors CDR2 rig Follow Up Flag: Follow up Flag Status: Flagged Victoria- The affected wells are: 09-29A—PTD 216-129 03-22A- PTD 216-176 03-24B—PTD 216-165 17-11A—PTD 217-001 F-35A—PTD 216-152 F-22A—PTD 216-163 F-05B—PTD Submitted C-11B—PTD Submitted E-12A- PTD 216-127 E-07B- PTD submitted Managed Pressure Drilling verbiage for all future wells— • MPD techniques may be used to improve hole stability. • An automatic choke will maintain a target ECD at the window for the duration of drilling to improve hole stability. • A pressure schedule will be used for tripping In/Out of the hole.The purpose of the pressure schedule for tripping is to maintain the same bottom hole pressure at the window by applying surface pressure via the choke. • At all times, drilling fluid weight will be greater than equivalent pore pressure. MPD is only being used for hole stability. ***This is the verbiage we will used in future PTD's. Regards, sean From: Loepp, Victoria T(DOA) [mailto:victoria.loepp@alaska.gov] Sent: Tuesday, February 07, 2017 9:15 AM To: Mclaughlin, Sean M Subject: PBU: MPD use - Nabors CDR2 rig Sean, For the approved PTDs that will be using MPD, please send an email outlining the use of MPD. For future PTDs utilizing MPD, please include verbage in the submitted PTD outlining the use of MPD. 1 Plio .216_/2-, Well Blank IMR2-AC BOP Schematic 6 Quick Test Sub to Otis ( -1.1 ft — — — —'— — — — — ii Topof7"Otis mi. -4 CDR2 Rig's Drip Pan Distances from top of riser Excluding quick-test sub Top of Annular 0.0 tt y ► j ti o� 7-1/16"5k Flange x 7"Otis Box C 7 Hydril 7 1/16" C Top Annular Element 0.7 ft Annular Bottom Annular 2.0 ft ► ,„m,,,,, Blind Shear CL Blind/Shears ( 3.3 f I lilt. 2-3 8 PipeSlips CL 2-3/8"Combi's 4.1 ft ►I'" -: f B5 ( B6 :7 ' B8 Deployment Linem 611 P_• •l'i'1 16ss 1°11411'4 ° •••t'l1 Ef �►llf • s croiii• • ; -1111 ,.,.,.,.,, III 3'Pipe Slips CL 3"Combi's 6.6 ft ►1r» 2-38'x 3-1 2 VBR CL 2-3/8"x3.1/2"VBRs 7.4 ft 4.10. w' B1 J l B2 B3 f 64 Kill Lir e 111.II 1:4 *i e.. ili 1: I[1i Ill Blind.Shear CL Blind/Shears 10.0 ft ► 1......, 44 2-38"Pipe Slips ir CL 2-3/8"Combi's 10.7 ft ► _..p +w' • CL of Top Swab 13.3 ft * �♦� '----Swab 2 Test Pump Hose 4/Swab 1 CL of Bottom Swab 14.8 ft ��� i T1 T2 CL Flow Tee 16.2 ft � . • =ai= BOP2 CL of SSV 17.5 ft I ='t Master 2 } Fusable CL of Master Valve 19.0 ft BOP1 k Master 1 .tilk LDS 20.5 ft ---------i._ __ 1 II it 1. 11 II Gound Level �' II li _, .. .Lam air • • Loepp, Victoria T (DOA) From: Browning,Zachary H <Zachary.Browning@bp.com> Sent: Thursday, December 29, 2016 9:49 AM To: Loepp,Victoria T(DOA) Cc: Hyatt,Trevor;Tempel,Joshua; Lastufka,Joseph N Subject: RE:Change in Rig BOPE Diagram Attachments: CDR2 Bighole BOP Stack.pdf;CDR2 Slimhole BOP Stack.pdf Follow Up Flag: Follow up Flag Status: Flagged Victoria, The previously attached BOP schematic showed the ram configuration for only our slimhole wells. Please use the Slimhole diagram for wells: E-12A 05-06B Please use the Bighole diagram for wells: 03-24B 03-27A 09-29A F-22A F-35A Sorry for the confusion. Thanks,Zach From: Lastufka,Joseph N Sent: Wednesday, December 28, 2016 2:16 PM To: Victoria.Loepp@alaska.gov Cc: Hyatt,Trevor; Browning, Zachary H; Tempel,Joshua Subject: Change in Rig BOPE Diagram Victoria, There will be a rig change for BPXA set to begin February 1st. Please replace the following wells from Nordic 2's BOP sketch to the new rig, CDR2's BOP Sketch. 03-24B (not approved, submitted 12/6) 03-27A (not approved, submitted 12/20) 05-06B (PTD#216-121) 09-29A (PTD#216-129) E-12A (PTD#216-127) F-22A (not approved, submitted 11/30) F-35A (PTD#216-152) If you have any questions or need additional information please let me know. 1 OFT • • THE STATE Alaska Oil and Gas 714 qfALA S lA Conservation Commission =_- 333 West Seventh Avenue 1W...1-17017,*' '. GOVERNOR BILL WALKER Anchorage, Alaska 99501-3572 Main: 907.279.1433 ALAe/ Fax: 907.276.7542 www.aogcc.alaska.gov John Egbejimba Drilling Supervisor BP Exploration(Alaska), Inc. P.O. Box 196612 Anchorage,AK 99519-6612 Re: Prudhoe Bay Field,Prudhoe Bay Oil Pool, PBU E-12A BP Exploration(Alaska), Inc. Permit to Drill Number: 216-127 Surface Location: 573' FNL, 500' FEL, Sec. 06, T11N,R14E,UM Bottomhole Location: 766' FNL, 1261' FWL, Sec. 05, T11N,R14E,UM Dear Mr. Egbejimba: Enclosed is the approved application for permit to re-drill the above referenced development well. This permit to drill does not exempt you from obtaining additional permits or an approval required by law from other governmental agencies and does not authorize conducting drilling operations until all other required permits and approvals have been issued. In addition,the AOGCC reserves the right to withdraw the permit in the event it was erroneously issued. Operations must be conducted in accordance with AS 31.05 and Title 20,Chapter 25 of the Alaska Administrative Code unless the AOGCC specifically authorizes a variance. Failure to comply with an applicable provision of AS 31.05,Title 20,Chapter 25 of the Alaska Administrative Code, or an AOGCC order, or the terms and conditions of this permit may result in the revocation or suspension of the permit. Sincerely, Cath P. Foerster Chair DATED this /4 .y of October, 2016. STATE OF ALASKA 411pASKA OIL AND GAS CONSERVATION COMMIS. t;r 1 0 5 2 3 v PERMIT TO DRILL 20 AAC 25 1 : la Type of Work: 1 b. Proposed Well Class: Exploratory-Gas ❑ Service-WAG 0 Service-Disp❑ lc.Specify i o d Drill 0 Lateral 0 Stratigraphic Test 0 Development-Oil II- Service-Winj 0 Single Zone ffr Coalbed Gas 0 Gas Hydrates 0 Redrill Fit -Reentry 0 Exploratory-Oil 0 Development-Gas 0 Service-Supply 0 Multiple Zone 0 Geothermal 0 Shale Gas 0 2. Operator Name: 5. Bond Blanket ®'Single Well ❑ 11• Well Name and Number: BP Exploration(Alaska),Inc Bond No. 29S105380 - PBU E-12A 3 Address: 12. Field/Pool s: 6. Proposed Depth: ( ) P.O.Box 196612 Anchorage,AK 99519-6612 MD: 11384' • TVD: 9073'ss • PRUDHOE BAY,PRUDHOE 4a. Location of Well(Governmental Section): 7. Property Designation(Lease Number): OIL ADL 028304 Surface: 573'FNL,500'FEL,Sec.06,T11N,R14E,UM 8. Land Use Permit: 13. Approximate spud date: 109'FNL,574'FEL,Sec.06,T11N,R14E,UM 89-111 November 15,2016 Top of Productive Horizon: Total Depth: 766'FNL,1261'FWL,Sec.05,T11N,R14E,UM 9. Acres in Property: 2469 14.Distance to Nearest Property: 9800 • 4b. Location of Well(State Base Plane Coordinates-NAD 27): 10. KB Elevation above MSL: 64.27-feet 15. Distance to Nearest Well Open Surface:x- 664455• Zone - ASP 4 • GL Elevation above MSL: 30.37-feet to Same Pool: y- 5976491 , 780 16. Deviated wells: Kickoff Depth: 8850 • feet 17. Maximum Anticipated Pressures in psig(see 20 AAC 25.035) Maximum Hole Angle: 101 degrees Downhole: 3354 . Surface: 2474 • 18. Casing Program: Specifications Top-Setting Depth-Bottom Cement Quantity,c.f.or sacks Hole Casing Wei ht Grade Coupling Lenath MD TVD MD TVD (including stage data) 3-1/4" 2-3/6„ 4.7# L-80 HYD511 2574' 8810' 8669'ss 11384' 9073'ss 84 sx Class'G' 19_ PRESENT WELL CONDITION SUMMARYttt (To be completed for Redrill and Re-Entry Operations) Total Depth MD(ft): Total Depth TVD(ft): I Plugs(measured): I Effect.Depth MD(ft): I Effect.Depth ND(ft): Junk(measured): 9470 9370 None I 9422 9323 None Casing Length Size Cement Volume MD TVD Conductor/Structural 79 20" 8 cu vds Concrete 37-116 37-116 Surface 2656 13-3/8" 3650 cu ft Permafrost II 37-2693 37-2693 Intermediate 8739 9-5/8" 1205 cu ft Class'G',130 cu ft Permafrost C 33-8772 33-8698 Liner 1178 7' 340 cu ft Class'G' 8291-9469 8249-9369 Scab Liner 837 3-1/2" 18 Bbls Cement 8300-9137 8257-9045 Perforation Depth MD(ft): 9150-9180 I Perforation Depth TVD(ft): 9057-9086 20.Attachments Property Plat 0 BOP Sketch 13 Drilling Program lia Time v.Depth Plot 0 Shallow Hazard Analysis 0 Diverter Sketch 0 Seabed Report 0 Drilling Fluid Program ® 20 AAC 25.050 requirements 10 21.Verbal Approval: Commission Representative: Date 22.I hereby certify that the foregoing is true and the procedure approved herein will not be deviated Contact Browning.Zachary H from without prior written approval. Email Zachary.Browning@bp.com Printed Name John Egbejimba Title Drilling Supervisor Signature ,( - Phone +1 9075644139 Date 10 /4c / _oi Commission Use Only Permit to Drill Permit Approval ( -(z,7 API Number: 50- 029-20782-01-00 Date: See cover letter for other Number: ,�- �% �U� \�-��.�, 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 contained in shales: (e Other: sop fie-5 f. 3 SO aS F t Samples req'd: Yes 0 No 11 Mud log req'd: Yes �❑ / No ®` . vt r t/(A 11"-pr-e I/ rl fr r '/ 5 t' H2S measures Yes 11!' No 0 Directional svy req'd: Yes A+t No ❑ -. fp Z 5-0 0 p ,--t. Spacing exception req'd: Yes 0 No l� Inclination-only svy req'd: Yes 0 No l8/ Post initial injection MIT req'd: Yes 0 No Approved by: t 'A N)�y�_ COMMISSIONER THE COMMISSION Date:L(/ /�!/ ORIGINAL Vi-/- `O/J241(a/47 APPROVED BY Form 10-401 Revised 11/2015 This permit is valid for 24 months from the date of approval(20 AAC 25.005(g)) Submit Form and Atta ments in Duplicate "1/0040274 � /G',r �%w • • To: Alaska Oil & Gas Conservation Commission 0 From: Zach Browning Wi4% b p CTD Engineer Date: September 28, 2016 Re: E-12A Permit to Drill Request Approval is requested for a permit to drill a CTD sidetrack lateral from well E-12 with a Nordic Coiled Tubing Drilling rig on or around November 15th, 2016. Planned operations: A packer whipstock will be set pre-rig isolating the E-12 perforations and allowing for a dual string exit through the 3-1/2" x 7" liners. A 2.80" window will be milled. The well kicks-off in the Shublik, and will land and target reserves in Zone 2A above the HOT and then drill below the HOT to access oil below the tar. The proposed sidetrack is a -2500' horizontal Ivishak producer to be completed with a 2-3/8" L-80 solid liner, cemented in place and selectively perforated. The open parent perf intervals are below the KOP and will be isolated via the packer WS as well as the liner cement job or liner top packer.* Rig Work(scheduled to begin November 15th, 2016) 1. MIRU and test BOPE 250 psi low and 3,500 psi high (MASP 2,424 psi). 2. Mill 2.80"window. 3. Drill build: 3.25" OH, 512' (18 deg DLS planned). 4. Drill Lateral: 3.25" OH, 2002' (12 deg DLS planned) 5. Run 2-3/8" L-80 liner leaving TOL at—8810' MD. Pump primary cement job: 17.3bbls, 15.3 ppg Class G, TOC at TOL (-8810' 6. MD).* 7. Freeze protect well to a min 2,200' TVDss. 8. Close in tree, RDMO. *Approved alternate plug placement per 20 AAC 25.112(i) Post-Rig Work: 1. 0: Re-install wellhouse, and flowline if needed. 2. V: Tree work as necessary. 3. S: LTP set post rig if needed, and test.* 4. O: NWKO Mud Program: • S • Drilling/Completion: a min EMW of 8.4 ppg KCL with Flovis/Powervis for drilling (489psi over-balance). Disposal: • All Class I & II non-hazardous and RCRA-exempt drilling and completion fluids will go to GNI at DS 4 or Pad 3 at DS 6. • Fluids >1% hydrocarbons or flammables must go to Pad 3. • Fluids >15% solids by volume must go to GNI. • Fluids with solids that will not pass through 1/4" screen must go to GNI. • Fluids with PH >11 must go to GNI. Hole Size: • 3.25" for production hole section from 8850' MD to 11,384' MD. Liner Program: • 2-3/8", 4.7 lb/ft, H511, L-80 solid liner: 8810' MD- 11,384' MD • A planned 17.3 bbls of 15.3 ppg cement will be used for liner cementing (TOC = TOL at-8810' MD). - • The primary barrier for this operation: a minimum EMW of 8.4 ppg (489 psi over-balance). • A X-over shall be made up to a safety joint including a TIW valve for all tubulars ran in hole. Well Control: • BOP diagram is attached. • Pipe rams, blind rams and the CT pack off will be pressure tested to 250 psi and to 3,500 psi. • The annular preventer will be tested to 250 psi and 3,500 psi. Directional: • See attached directional plan. Maximum planned hole angle is 101° (TD), inclination at kick off point is 20°. _ • Magnetic and inclination surveys will be taken every 30 ft. No gyro will be run. - • Distance to nearest property- 9800' • Distance to nearest well within pool- 780' (E-01 B) Logging: • MWD directional, Gamma Ray, and Resistivity will be run through the entire open hole section. - • Cased hole GR/CCL/RPM logs will be run inside casing (post-rig). Perforating: • Perforations planned post-rig. -200' of perforations, 1.56", 60 deg random phasing, 6 spf, perf guns. Anti-Collision Failures: • None. All offset wells pass BP anti-collision scan criteria. Hazards: • E-pad is an H2S pad. Latest H2S reading on the E-07 was 19ppm on 5/13/14. • 3 planned fault crossing. The lost circulation risk in E-12A is considered to be MEDIUM. Reservoir Pressure: • The reservoir pressure on E-07B is expected to be 3,354 psi at 8,800' TVDSS (7.33 ppg equivalent). • Maximum expected surface pressure with gas (0.10 psi/ft) to surface is 2,474 psi. • A min EMW of 8.4 ppg for this well will provide 489 psi over-balance to the reservoir. Zach Browning CC: Well File CTD Engineer Joseph Lastufka 564-5220 TREE= 6-3/8"CMV •WELLHEAD= GRAY SA OTES- ACTUATOR= BAKER C E-12 NT AL KB.6 E 64.3' BE ELEV= 32.3' KOP= 740(Y 2086' —5-1/2"OTIS SSSV ROM LAND NP,D=4.562" i e Max Angle= 21°@ 8300' GAS LIFT MANS Datum MD= 8949' ST MD ND DEV TYPE VLV LATCH PORT DATE Datum ND= 8800'SS 12 3014 3014 0 OT-LBD DAM RM 07/14/10 11 4868 4868 1 OT-LBD DMY RA 13-3/8"CSG,72#,L-80,D=12.347" --I 2693' 10 5931 5931 0 OT-LBD DMY RA 9 6071 6071 1 OT-LBD DMY RA 8 6565 6565 0 OT-LBD DMY RM 07/14/10 7 6708 6708 1 OT LBD DMY RA 6 6932 6932 1 OT-LBD DMY RA Minimum ID =2.992" 8267' 5 7072 7072 1 OT-LBD DMY RA 3-1i2*' SCAB LNR 4 7373 7371 10 OT-LBD DMY RA 3 7519 7514 13 OT-LBD DMY RA 2 7860 7844 17 OT-LBD MY RA 1 8007 7983 20 OT-LBD OMY RM 06/04/13 II 8152' H 5-1/2"OTIS XA SLIDING SLV,ID=4.562" 8203' H5-1/2"TUBING SEAL ASSY I 5-1/2"TBG,17#,L-80,.0232 bpf,0=4.892" H 8225' �\ 8223' —15-1/2"X 4-1/2"XO [TOP OF 4-1/2"TBG — 8225' 'X/ , 8225' —19-5/8"X 4-1/2"BKR SAB PKPR,D=3.813" \I 8267' —14-1/2"OTIS X N ,D=3.813" TOP OF 7"LNRH 8292' 8300' 3.70"FBR w/3.81"NO GO LANDED ON TOP OF 3-1/2"LNR —I 8302' }' XN PBR(1111995),ID=3.0" L 8302' H4-1/2"OTIS XN NP,D=3.725" [4:1/2"TBG, 12.6#,L-80,.0152 bpf,D=3.958" H 8334' 8334' —4 112"BAKER TBG TAL v1 'Al 8692' —TOP OF CEMENT SHEATH 9-5/8"CSG,47#,L-80,D=8.681" 8772' 111 1111 , PER SCMT ON 06!19!16 1i ID 11 11 . 8307' —.EMD TT LOGGED 03!05/83 PERFORATION SUMMARY �1� 1e.� PER REF LOG: BHCS ON 05/05/82 1 144 1 ANGLE AT TOP PERF:21°@ 8793' 11 I1�1 Note:Refer to Roduction DB for historical perf data 1, *111 8951' --I MA RKER JOINT SIZE I SPF INTERVAL Opn/Sqz SHOT SQZ �1 41' 1 3-3/8" 6 8793-8833 S 06/24/91 07/09/94 • 1 11 44 .114 2-7/8" 4 9050-9132 S 03/05/83 07/09/94 11 44 3-3/8" 4 9116-9132 S 01/13/95 07/30/95 111 11111 3-3/8" 4 9145-9165 S 07/27/94 07/30/95 11 11111 .11 3-3/8" 6 9150-9180 0 09/22/95 111 $$ 3-3/8" 6 9150-9185 S 06/24/91 07/09/94 •,•� I** 9150 —1 BOTTOM OF CEMENT SHEATH [3-1/2"SCAB LNR 9.2#,L-80,.0087 bpf,D=2.992" H 9137' I —I ELMD TT NOT LOGGED PBTD H 9422' 1.1.1+14 111111111i11114 11111111 7'LNR,26#,L-80,.0383 bpf,D=6.276" 9470' 1...1...1.1.x.1.1 DATE REV BY COMVB'fTS DATE REV BY COMMENTS FRUDHOE BAY UNIT 03/16/83 ORIGINAL COMPLETION 08/03/16 JO/JIVD WBS EDITS WELL: E-12 07/17/01 RN/KAK CORRECTIONS PERMIT MT No:'1820460 08/25/09 TLH 1995 7"SCAB LNR CORRECTIONS API No: 50-029-20782-00 07/17/10 CJWPJC GLV C/O(07/14/10) SEC 6,T11N,R14E,573'FN..&500'FR 06/12/13 TJWJMD GLV C/O(06/04/13) 06/12/13 RB/144) TREEC/O(06/07/13) BP Exploration(Alaska) i TREE= 6-3/8"CNV WELLHEAD= GRAY SA OTES: ELE BAKER_3 PROPOSED E-12, NTIAL BF.EIV -- 32.3' Roi5= 7400' O 2086' —{5-1/2"OTIS SSSVROMLAND NP,D=4.562" Mau Angle= 21"@8300' GAS LFT MANDRELS Datum MD= 89.49' ST MD V DEV TYPE VLV LATCH PORT DATE Datum TVD= 8800'SS 12 3014 3014 0 OT-LBD DMY RM 07/14/10 11 4868 4868 1 OT-LBD DMY RA 13-3/8"CSG,72#,L-80,D=12.347" --I 2693' 10 5931 5931 0 OT-LBD DMY RA 9 6071 6071 1 OT-LBD DMY RA 8 6565 6565 0 OT-LBD DMY RM 07/14/10 , 7 6708 6708 1 OT-LBD DMY RA 6 6932 6932 1 OT-LBD DMY RA Minimum ID =2.992" @ 8267' 5 7072 7072 1 OT-LBD DMY RA 3-1/2" SCAB LNR 4 7373 7371 10 OT-LBD DMY RA 3 7519 7514 13 OT-LBD DMY RA 2 7860 7844 17 OT-LBD DMY RA 1 8007 7983 20 OT-LBD DMY RM 06/04/13 II 8152' H 5-1/2"OTIS XA SLIDING SLV,ID=4.562" _� 8203' —15-1/2"TUBING SEAL ASSY 5-1/7'TBG,17#,L-80,_0232 bpf,ID=4.892" H 8225' / 8223' H 5-1/2"X 4-1/2"XO TOP OF 4-1/2"TBG —1 8225' TOP OF 7"LNR H 8292' 4 X - 8225' H9-5/8"X 4-1/2"BKR SAB PKR,D=3.813" K_. I 8267' —14-1/2"/2"OTIS X NP,ID=3.813" _ 8300' 3.70"PBR w/3.81"NO GO LANDED ON I TOP OF 3-1/2"LNR — 8302' 1 XN PBR(11/1995},D=3.0" 8302' —I4-1/2"OTIS XN NP,D=3.725" 4-1/2"TBG,12.6#,L-80,.0152 bpf,D=3.958" —I 8334' \ 8334' —14-1/2"BAKER TBG TAL 8592' TOP OF CEMENT SHEATH vi 9-5/8"CSG,47#,L-80,D=8.681" 8772' —4 4444 444 m PER SCMT ON 06/19/16 PERFORATION SUMMARY *4." 4�4� 8810' H2.70"Depbyment Sleeve D-2.0" REF LOG: 441 .4.4 ANGLE AT TOP PERF:XX"@ XXX' *�*i ML.LOUT 1MNDOW(E-12A)8850'-8860' 444it Nate:Refer to Production DB for historical perf data �..I SIZE SPF INTERVAL Opn/Sqz SHOT SO7 **I 1.4�1 4444 .4441 2-3/8"RA MARKER pup 4444 VI' 4444 441 H 2-3/8"RA MARKER pup 4444 141 II 44444444 444444444444444PBTD - I 7"LNR 26#,L-80,.0383 bpf,D=6.276" 9470' 4e4.eeee4.ee•.4. 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Error: 0.00 usft Output errors are at 1.00 sigma Reference Wellbore E-12A Database: EDM R5K-Alaska PROD-ANCP1 Reference Design: E-12A WP05 Offset TVD Reference: Offset Datum Reference E-12A WP05 Filter type: GLOBAL FILTER APPLIED:All wellpaths within 200'+100/1000 of reference Interpolation Method: MD Interval 25.00usft Error Model: ISCWSA Depth Range: 8,700.00 to 11,384.46usft Scan Method: Tray.Cylinder North Results Limited by: Maximum center-center distance of 1,335.13 usft Error Surface: Elliptical Conic Survey Tool Program Date 9/28/2016 From To (usft) (usft) Survey(Wellbore) Tool Name Description 99.97 8,700.00 1 :Sperry-Sun BOSS gyro multi(E-12) BOSS-GYRO Sperry-Sun BOSS gyro multishot 8,700.00 11,384.46 E-12A WP05(E-12A) MWD MWD-Standard Casing Points Measured Vertical Casing Hole Depth Depth Diameter Diameter (usft) (usft) Name (in) (in) 2,693.00 2,628.51 13 3/8" 13.375 17.500 8,772.00 8,633.11 9 5/8" 9.625 12.250 8,850.00 8,706.15 7"Planned TOWS 7.000 7.000 11,384.46 9,072.90 2 3/8" 2.375 3.250 Summary Reference Offset Centre to No-Go Allowable Measured Measured Centre Distance Deviation Warning Site Name Depth Depth Distance (usft) from Plan Offset Well-Wellbore-Design (usft) (usft) (usft) (usft) PB E Pad E-01-E-01-E-01 10,503.60 9,350.00 817.92 152.34 669.65 Pass-Major Risk E-01-E-01 A-E-01A 10,497.46 9,300.00 819.09 155.31 671.04 Pass-Major Risk E-01-E-01APB1-E-01APB1 10,503.60 9,350.00 817.92 152.32 669.67 Pass-Major Risk E-01-E-01 B-E-01 B 10,182.94 10,825.00 761.74 266.50 495.22 Pass-Major Risk E-03-E-03-E-03 Out of range E-03-E-03A-E-03A Out of range E-04-E-04A-E-04A Out of range E-08-E-08-E-08 Out of range E-08-E-08A-E-08A Out of range E-10-E-10-E-10 Out of range E-10-E-10A-E-10A Out of range E-10-E-10B-E-10B Out of range E-102-E-102-E-102 Out of range E-104-E-104-E-104 Out of range E-11-E-11-E-11 Out of range E-11-E-11 A-E-11 A Out of range E-11-E-11APB1-E-11APB1 Out of range E-11-E-11 B-E-11 B Out of range E-11-E-11 BL1-E-11 BL1 Out of range E-11-E-11BL1-01-E-11BL1-01 Out of range E-11-E-11 BL1 PB1-E-11 BL1 PB1 Out of range E-11-E-11 BL1 PB1-Plan#7 Out of range E-11-E-11 BL1 PB2-E-11 BL1 PB2 Out of range E-12-E-12-E-12 9,016.09 9,025.00 37.41 3.84 37.41 Pass-NOERRORS E-15-E-15C-E-15C Out of range CC-Min centre to center distance or covergent point,SF-min separation factor,ES-min ellipse separation 9/28/2016 1:51:05PM Page 2 COMPASS 5000.1 Build 8113 • • BP //ll 0 p Travelling Cylinder Report BAKER HUGHES Company: North America-ALASKA-BP Local Co-ordinate Reference: Well E-12 Project: Prudhoe Bay TVD Reference: Mean Sea Level Reference Site: PB E Pad MD Reference: E-12 OKB @ 64.27usft Site Error: 0.00 usft North Reference: True Reference Well: E-12 Survey Calculation Method: Minimum Curvature Well Error: 0.00 usft Output errors are at 1.00 sigma Reference Wellbore E-12A Database: EDM R5K-Alaska PROD-ANCP1 Reference Design: E-12A WP05 Offset TVD Reference: Offset Datum Summary Reference Offset Centre to No-Go Allowable Measured Measured Centre Distance Deviation Warning Site Name Depth Depth Distance (usft) from Plan Offset Well-Wellbore-Design (usft) (usft) (usft) (usft) PB E Pad E-15-E-15E-E-15E Out of range E-34-E-34-E-34 10,360.97 8,850.00 864.68 135.09 750.03 Pass-Major Risk E-34-E-34A-E-34A 10,360.97 8,850.00 864.68 135.68 749.50 Pass-Major Risk E-34-E-34L1-E-34L1 10,360.98 8,850.00 864.68 135.41 749.74 Pass-Major Risk E-35-E-35A-E-35A Out of range E-35-E-35B-E-35B Out of range E-36-E-36A-E-36A 9,210.19 11,861.00 939.11 142.95 798.34 Pass-Major Risk E-36-E-36B-E-36B Out of range E-38-E-38-E-38 8,747.19 8,750.00 214.60 104.89 114.84 Pass-Major Risk E-38-E-38PB1-E-38PB1 8,747.19 8,750.00 214.60 104.98 114.75 Pass-Major Risk E-38-E-38PB2-E-38PB2 8,747.19 8,750.00 214.60 104.98 114.75 Pass-Major Risk PB K Pad K-10-K-108-K-10B 10,891.28 11,302.00 82944 524.38 400.54 Pass-Major Risk Offset Design PB E Pad- E-01-E-01-E-01 Offset site Error: 0.00 usft Survey Program: 100-CB-GYRO-MS Rule Assigned:Major Risk Offset Well Error: 0.00 usft Reference Offset Semi Major Axis Measured Vertical Measured Vertical Reference Offset Toolface+ Offset wellbore Centre Casing- Centre to No Go Allowable Warning Depth Depth Depth Depth Azimuth +N/S +EI-W Hole Size Centre Distance Deviation (usft) (usft) (usft) (usft) (usft) (usft) (1 (usft) lusft) (in) (usft) (usft) (usft) 10,394.32 9,005.04 8,225.00 7,737.00 22.28 83.87 117.57 799.34 1,412.94 7.312 1,319.74 138.03 1,213.50 Pass-Major Risk 10,400.00 9,005.10 8,250.00 7,759.71 22.34 84.32 117.59 802.39 1,422.93 7.312 1,300.59 138.17 1.193.70 Pass-Major Risk 10,400.00 9,005.10 8,275.00 7,782.45 22.34 84.76 116.90 805.41 1,432.88 7.312 1,281.57 138.31 1,174.07 Pass-Major Risk 10,400.00 9,005.10 8,300.00 7,805.20 22.34 85.21 116.20 808.41 1,442.78 7.312 1,262.72 138.45 1,154.58 Pass-Major Risk 10,405.83 9,005.15 8,325.00 7,827.97 22.40 85.65 116.17 811.38 1,452.67 7.312 1,244.05 138.66 1,13521 Pass-Major Risk 10,408.58 9,005.18 8,350.00 7,850.73 22.43 86.10 115.75 81435 1,462.59 7.312 1,225.62 138.87 1,116.07 Pass-Major Risk 10,41127 9,005.20 8,375.00 7,873.48 22.46 86.55 115.30 817.30 1,472.53 7.312 1,20742 13907 1,097.16 Pass-Major Risk 10,413.93 9,005.23 8,400.00 7,896.21 22.49 87.00 114.82 820.26 1,482.49 7.312 1,189.47 139.29 1,078.47 Pass-Major Risk 10,416.54 9,005.25 8,425.00 7,918.94 22.52 87.46 114.31 82320 1,49247 7.312 1,171.78 139.59 1,059.98 Pass-Major Risk 10,419.11 9,005.28 8,450.00 7,941.66 22.54 87.92 113.76 826.15 1,50249 7.312 1,154.37 139.90 1,041.75 Pass-Major Risk 10,425.00 9,005.33 8,475.00 7,964.37 22.61 88.38 113.59 829.09 1,512.52 7.312 1,137.26 140.56 1,023.79 Pass-Major Risk 10,42500 9,005.33 8,500.00 7,987.06 2201 88.84 112.68 832.04 1,522.59 7.312 1,120.44 140.68 1,006.10 Pass-Major Risk 10,425.00 9,005.33 8,525.00 8,009.75 22.61 89.31 111.75 834.96 1,532.68 7.312 1,103.93 140.80 988.69 Pass-Major Risk 10,425.00 9,005.33 8,550.00 8,032.43 22.61 89.78 110.79 837.85 1,542.79 7.312 1,087.75 140.93 971.57 Pass-Major Risk 10,431.41 9,005.39 8,575.00 8,055.11 2208 90.24 110.56 84070 1,552.91 7.312 1,071.87 141.74 954.79 Pass-Major Risk 10,433.78 9,00541 8,600.00 8,077.78 22.71 90.71 109.82 843.51 1,563.06 7.312 1,056.34 142.13 938.32 Pass-Major Risk 10,436.14 9,005.44 8,625.00 8,100.44 22.73 91.19 109.04 846.29 1,573.27 7.312 1,041.20 142.54 922.19 Pass-Major Risk 10438.49 9,005.46 8,650.00 8,123.06 2276 91.66 10824 849.03 1,583.55 7.312 1,02648 142.95 906.47 Pass-Major Risk 10,440.84 9,00548 8,675.00 8,14564 22.79 92.14 10740 851.74 1,593.92 7.312 1,01221 143.37 891.16 Pass-Major Risk 10,443.18 9,005.50 8,700.00 8,168.20 22,81 9262 106.52 85441 1,604.37 7.312 998.39 14378 87630 Pass-Major Risk 10,450.00 9,005.57 8,725.00 8,190.73 22.89 93.10 106.15 857.04 1,614.87 7.312 985.05 145.09 861.98 Pass-Major Risk 10,450.00 9,005.57 8,750.00 8,21326 22.89 93.59 104.93 859.62 1,625.41 7.312 972.12 145.08 847.92 Pass-Major Risk 10,450.00 9,005.57 8,775.00 8,235.77 22.89 94.08 103.68 862.15 1,635.97 4.687 959.67 144.85 834.51 Pass-Major Risk 10,450.00 9,005.57 8,800.00 8,258.29 22.89 94.57 102.39 864.62 1,646.55 4.687 947.71 144.85 821.33 Pass-Major Risk 10,450.00 9,005.57 8,825.00 8,280.80 22.89 95.04 101.08 867.02 1,657.15 4.687 93624 144.82 808.63 Pass-Major Risk 10,456.93 9,005.64 8,850.00 8,303.33 22.96 95.52 100.56 869.29 1,667.75 4.687 925.19 146.10 796.66 Pass-Major Risk 10,459.19 9,005.66 8,875.00 8,325.87 22.99 96.00 99.45 87146 1,678.34 2.812 914.64 14634 785.14 Pass-Major Risk CC-Min centre to center distance or covergent point,SF-min separation factor,ES-min ellipse separation 9/28/2016 1:51:05PM Page 3 COMPASS 5000.1 Build 81B 0 • InNorthing(85 usft/in) 667335 en 'o, 'm m` ,, m m 667335 W 0- "W m-W A Z 667250iii 4 0 o W o W 667250 W W W 9 W o W W W o 667165 W W W 667165 667080 ..7080 666995 000• ,...995 666910 666910 666825p 666825 m ;00 � as_S a m666740 Ww moc 666740 Y 666655oo ,-Noac' zo 6666551 w -90W c uW W Y O406.LIit i m 666570 Of o ea: 666570 ilZg2 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BP f Anticollision Report BAKER 0.04, ,1 HUGHES Company: North America-ALASKA-BP Local Co-ordinate Reference: Well E-12 Project: Prudhoe Bay TVD Reference: Mean Sea Level Reference Site: PB E Pad MD Reference: E-12 OKB @ 64 27usft Site Error: 0.00usft North Reference: True Reference Well: E-12 Survey Calculation Method: Minimum Curvature Well Error: 0.00usft Output errors are at 1.00 sigma Reference Wellbore E-12A Database: EDM R5K-Alaska PROD-ANCP1 Reference Design: E-12A WP05 Plus 500ft MD Offset TVD Reference: Offset Datum Reference E-12A WP05 Plus 500ft MD Filter type: GLOBAL FILTER APPLIED:All wellpaths within 200'+100/1000 of reference Interpolation Method: MD Interval 25.00usft Error Model: ISCWSA Depth Range: 8,700.00 to 11,884.46usft Scan Method: Tray.Cylinder North Results Limited by: Maximum center-center distance of 200.00usft Error Surface: Elliptical Conic Survey Tool Program Date 9/28/2016 From To (usft) (usft) Survey(Wellbore) Tool Name Description 99.97 8,700.00 1 Sperry-Sun BOSS gyro multi(E-12) BOSS-GYRO Sperry-Sun BOSS gyro multishot 8,700 00 11,884.46 E-12A WP05 Plus 500ft MD(E-12A) MWD MWD-Standard Summary Reference Offset Centre to Measured Measured Centre Site Name Depth Depth Distance Offset Well-Wellbore-Design (usft) (usft) (usft) PB E Pad E-12-E-12-E-12 9,016.09 9,025.00 37.41 E-12-E-12A-E-12A WP05 11,384.46 11,384.46 0.00 PB K Pad 9/28/2016 2:55:13PM Page 2 of 7 COMPASS 5000.1 Build 81B I 1 f,..,_ I .- \ I > 1 I 1 I > h SS \:: Idl I 10` —I — m^ rl S �...__rrwrrlwr_ I • s Ta S 22 N e / p� v 13 e dii 1 S S i 1 Q�=L 1 / 7.1. 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I Z L-6 2VC 'r, -17-N — i U 1 1 I ■'• E u� U X `o _ i U i r mE u :j$ I E I. .I I •. r1 v I = E= x • 4Ea x I = a Jg • • TRANSMITTAL LETTER CHECKLIST WELL NAME: ! jr A PTD: 2/ - 12-7 V Development Service Exploratory Stratigraphic Test Non-Conventional FIELD: � POOL: Check Box for Appropriate Letter/Paragraphs to be Included in Transmittal Letter CHECK OPTIONS TEXT FOR APPROVAL LETTER MULTI The permit is for a new wellbore segment of existing well Permit LATERAL No. , API No. 50- - - - (If last two digits Production should continue to be reported as a function of the original in API number are API number stated above. between 60-69) In accordance with 20 AAC 25.005(f), all records, data and logs acquired for the pilot hole must be clearly differentiated in both well Pilot Hole name ( PH) and API number (50- - ) from records, data and logs acquired for well (name on permit). The permit is approved subject to full compliance with 20 AAC 25.055. Approval to produce/inject is contingent upon issuance of a conservation Spacing Exception order approving a spacing exception. (Company Name) Operator assumes the liability of any protest to the spacing exception that may occur. All dry ditch sample sets submitted to the AOGCC must be in no greater Dry Ditch Sample than 30' sample intervals from below the permafrost or from where samples are first caught and 10'sample intervals through target zones. Please note the following special condition of this permit: production or production testing of coal bed methane is not allowed for Non-Conventional (name of well) until after (Company Name) has designed and Well implemented a water well testing program to provide baseline data on water quality and quantity. (Company Name) must contact the AOGCC to obtain advance approval of such water well testing program. Regulation 20 AAC 25.071(a)authorizes the AOGCC to specify types of well logs to be run. 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