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212-002
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 F-31A Tubing Swap Hilcorp North Slope, LLC 3800 Centerpoint Dr, Suite 1400, Anchorage, AK 99503 212-002 50-029-21647-01-00 12020 Conductor Surface Intermediate Liner Liner 9052 80 2634 8723 491 3530 9439 20" 13-3/8" 9-5/8" 7" 3-1/2" x 3-1/4" x 2-7/8" 9074 31 - 111 30 - 2666 29 - 8752 8492 - 8983 8485 - 12015 31 - 111 30 - 2664 29 - 8462 8226 - 8654 8219 - 9052 None 2260 4760 5410 10530 9439, 10330, 10740, 11120 5020 6870 7240 10160 8800 - 11976 4-1/2" 12.6# L-80 27 - 8534 8506 - 9051 Structural 4-1/2" HES TNT Packer 8431, 8170 8164, 8431 7927, 8170 Torin Roschinger Operations Manager Finn Oestgaard finn.oestgaard@hilcorp.com 907.564.5026 PRUDHOE BAY 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 0028280 27 - 8264 N/A N/A 170 140 9296 9063 4 14 1000 350 950 220 324-469 13b. Pools active after work:Prudhoe Oil 4-1/2" TIW HBBP Packer 8164, 7927 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 No SSSV Installed By Grace Christianson at 3:37 pm, Jan 21, 2025 Digitally signed by Torin Roschinger (4662) DN: cn=Torin Roschinger (4662) Date: 2025.01.21 11:02:35 - 09'00' Torin Roschinger (4662) RBDMS JSB 012825 JJL 2/27/25 A.Dewhurst 12FEB25 DSR-1/22/25 ACTIVITY DATE SUMMARY 8/31/2024 ***WELL SHUT IN ON ARRIVAL*** (TUBING CUT) RIG UP AKEL PCE FUNCTION TEST WLV'S TEST WELLTEC TOOLS PT 250 L 3000 H RIH WITH WELLTEC MECHANICAL CUTTER CUT TUBING @ 8312', CCL STOP DEPTH= 8293.7' (CCL-CUTTER=18.3') TATTLE TAIL=4.48" RDMO AKEL ***WELL SHUT IN ON DEPARTURE NOTIFY PAD OP*** 9/1/2024 T/I/O=200/0/0. Pre RWO. Bled TBG Pressure to 0 psi.Set 4" "H" TWC 444 @125", TWC LTT Passed. Removed Upper Tree, Installed Dry-Hole Tree. Torqued To Spec. PT Tree To 5000 PSI. PT tree cap to 500 psi. Pass. ***Job Complete*** See Log. Final WHP's=TWC/0/0. 9/4/2024 T/I/O = SSV/20/20. Temp = SI. Pressure OA w/ N2 to 1200 psi, check IC primary seal for leak (PASS) (pre rig). No AL. Dry hole tree. FL disconnected, wellhouse removed. Stung into IC test port: (20 psi), could not bleed to 0 psi. Increased OAP to 500 psi with N2. IAP and IC void psi unchanged. Monitored for 30 min. WHPs unchanged. Bled OAP to 0+ psi. Final WHPs = SSV/20/0+. SV = C. MV = C. IA, OA = OTG. 10/7/2024 T/I/O = 20/20/0+. Temp = SI. IA FL (Full Bore Request). No AL, well house, flowline/S-riser. Dry hole tree installed. IA FL @ 186' (10 bbls). SV, MV = C. IA & OA = OTG. 17:00. 12/15/2024 RDMO M-207, MIRU F-31A 12/16/2024 MIRU, N/D tree, N/U BOP's 12/16/2024 T/I/O= 0/0/0 Check tree, void, & tubing for psi. 0 on all, check (2) control lines for psi, minimal, let it bleed into bucket for ~2 min. ea., N/D THA, remove THA & dry hole tree, plug (2) 1/8" NPT control line ports in hanger neck, clean void, & hanger lift threads, several substantial gouges in lift threads, make up 4-1/2" TDS test sub 9-1/2 RH to hanger lift threads to test 4" H TWC & hanger threads, threads leaked, could not obtain psi test, R/D test sub, make up 4-1/2" TDS lift sub to check threads, GTG, remove sub, send to rig floor, function all upper lock down screws one at a time to 4-1/8" clear bowl, re-torque to 450 ft/lbs, tighten gland nuts, clean tubing spool top ring groove w/ Emory, install new BX-160, leave rig crew w/ another BX-160m for spacer spool, RDMO. Final T/I/O=0/0/0 12/17/2024 N/U BOP's, Test BOP per sundry 250/3000 psi. AOGCC right to witness waived by Adam Earl. Test gas alarms, PVT, perform accumulator drawdown. Three failures on test, C/O UPR, upper IBOP, and choke manifold valve 14 - all retested good. Pull hanger and displace well with fresh seawater, pumping 45 bbls of soap pill followed by 660 bbls seawater. 25 bbls into displacement observe significant gas breaking out at surface with a max gas 1443u and visual LEL alarms. Shut well in. Finish circulation through choke manifold. Daily Report of Well Operations PBU F-31A Daily Report of Well Operations PBU F-31A 12/17/2024 T/I/O=0/0+/0 Pull 4" H TWC w/ T-bar, M/U 4-1/2" TDS landing joint 8-1/2 RH, Open IA, bleed off fluid, Back out lock down screws 4-1/8"+, tighten gland nuts, Pull tubing hanger off seat ~5', stand by for rig operations, Pull tubing hanger to the floor. Compression ring from top of hanger body is hung up on landing joint, The cap screws that hold compression ring to hanger body are all broken, comp. ring & OD seal are still in tact, (1) of the (2) 1/4" control lines has a small hole in it ~ 1.5' below hanger, remove both control lines from bottom of hanger & cap them, RDMO. Final T/I/O=0/0+/0 12/18/2024 RWO Scope: POOH with 4-1/2" TBG and control line F/8212' T/2886'- Total clamps recovered 26. Cont. to POOH laying down TBG. R/U and pressure tested BOP components utilized during shut in. P/U and RIH with 4-1/2" 13CR completions as per tally from surface to 8312' tagging top of TBG stump attempting to work overshot over stump. ***CONT. WSR ON 12-19-24*** 12/19/2024 RWO Scope: M/U crossover and pumped down over stump observing both sets of shear pins no-going at 8323.76' L/D 3 jts and performed space out picking up 4 pups (10.07', 7.93', 7.83' and 4.06'). Landed hanger with 81K on hanger 2.51' off No-Go. R/U and reverse circulated 445 BBLS of CI-Brine at 3 BPM, 825 PSI. Drop ball and rod. Pressure up to 3500 psi to set TNT packer. MIT-T to 2500 - good, MIT-IA to 2500 - good. Set TWC. N/D BOPE, N/U tree. PT hanger void and tree to 500/5000 psi - both good. Freeze protect well with 172 bbls diesel and allow to U-tube Work on Misc. maint prodjects and prep rig for move 12/19/2024 LRS 72 Assist I-Rig (RWO EXPENSE). Pumped 172 bbls of 70*F diesel into the IA while taking TBG returns to the rig. DB returns line and U-Tube TxIA. Final circulating pressure was 0/507/100. Pressure at start of u-tube was T/I/O= 0/304/100. The rig had control of the well and PO notifed upon departure. 12/19/2024 T/I/O=0/0/0 Make up tubing hanger to tubing string, drain & rinse stack, land hanger, run in lock down screws, stand by for pumping & MIT, set 4" H CTS BPV, stand by for BOP nipple down, clean void, ring groove, & BPV profile, install CTS plug & new BX-160, fill void with hydraulic fluid, make up THA, stand by for rig crew to torque it w/ Sweeney, test void 500 psi/5 min, 5,000 psi/30 min, good tests, bleed off, stand by for rig to test tree, CTS BPV leaked, pull it w/ T-bar & set 4" H TWC, stand by for tree test, good test, pull TWC, RDMO Final T/I/O=0/0/0 12/20/2024 RWO Scope: R/D U-tube lines and secure cellar Work on cleaning and maint. projects while rigging down rig floor and secure equipment for rig move Bridle up and raise top drive to prep for scoping derrick down. ****Rig was released and off Well AFE @ 06:00 HRS**** Daily Report of Well Operations PBU F-31A 12/23/2024 ***WELL S/I ON ARRIVAL*** ATTEMPTED TO PULL BALL & ROD, SAT DOWN ON ICE @ 9' RAN 4-1/2" BRUSH & 3.50" GAUGE RING, CLEARED ICE & DRIFTED DOWN TO 8,200' SLM PULLED BALL & ROD FROM RHC BODY @ 8,238' MD, MISSING A 2" ROLLER WHEEL ATTEMPTED TO PULL ST #3 @ 5,713' MD, LOCATE & SAT DOWN FINE BUT UNABLE TO LATCH TAGGED ST #3 W/ 1.75" LIB, SHOWS TOP OF LATCH IS CLEAN RAN 4-1/2" BRUSH, DOUBLE KNUCKLE JOINTS & 2.25" GAUGE RING, RATTLED ALL MANDRELS. MADE 2 MORE ATTEMPTS TO PULL RK-DGLV FROM STA# 3. RAN 4 1/2" BRUSH, KJ, KJ, 4 1/2" BRUSH, AND 2.25" MAGNET TO RHC PLUG BODY @ 8338' MD (NO RECOVERY). PULLED RK-DGLV FROM STA# 3 @ 5713' MD. PULLED RK-DCR FROM STA# 4 @ 3747' MD. SET RK-LGLV IN STA# 4 @ 3747' MD. ***CONTINUED ON 12-24-24*** 12/24/2024 ***CONTINUED FROM 12-23-24*** SET RK-OGLV IN STA# 3 @ 5713' MD. PULLED RHC PLUG BODY FROM 8238' MD ***MISSING WHEEL FROM B&R RECOVERED*** PULLED PRONG FROM PX PLUG @ 8333' SLM. RAN 4 1/2" GR; UNABLE TO WORK PAST 8333' SLM. RAN 3" PUMP BAILER TO 8340' SLM. EMTPY RAN 4-1/2" BRUSH & 3.80" GAUGE RING TO PLUG BODY @ 8,358' MD PULLED PX PLUG BODY FROM 8,358' MD PULLED NIPPLE REDUCER FROM 8,472' MD RAN 4-1/2" BRUSH & 3.80" GAUGE RING TO DEPLOYMENT SLEEVE @ 8,485' MD DRIFTED W/ 2.21" CENTRALIZER & 1.75" SAMPLE BAILER. STOPPED @ 9,350' SLM. ALL CLEAR ***WELL LEFT S/I ON DEPARTURE*** ASR RWO Update CAUTION: External sender. DO NOT open links or attachments from UNKNOWN senders. From:Joseph Engel To:Lau, Jack J (OGC); Aras Worthington Cc:Regg, James B (OGC); Rixse, Melvin G (OGC) Subject:RE: [EXTERNAL] RE: BOP Closure notification Date:Wednesday, December 18, 2024 4:32:44 PM Jack – No fluid left containment. Max gas units in the possum belly prior to shut in was 1443 units. No gas was seen during circulation after shut in as we were circulating through the choke/gasbuster. If you have any further questions, please let Aras know as he is covering Innovation operations during this workover. Thanks. Joe From: Lau, Jack J (OGC) <jack.lau@alaska.gov> Sent: Wednesday, December 18, 2024 3:27 PM To: Joseph Engel <jengel@hilcorp.com> Cc: jim.regg <jim.regg@alaska.gov>; Rixse, Melvin G (OGC) <melvin.rixse@alaska.gov> Subject: [EXTERNAL] RE: BOP Closure notification Joe – Please provide addition detail for this notification: 1.How much fluid if any left containment on the rig floor 2.How many units or PPM of gas was seen during circulation Thanks Jack From: Rixse, Melvin G (OGC) <melvin.rixse@alaska.gov> Sent: Wednesday, December 18, 2024 1:59 PM To: AOGCC Reporting (CED sponsored) <aogcc.reporting@alaska.gov> 3UXGKRH%D\8QLW)$ 37' 3JH)JMDPSQ*OOPWBUJPO Cc: Regg, James B (OGC) <jim.regg@alaska.gov>; Lau, Jack J (OGC) <jack.lau@alaska.gov> Subject: RE: BOP Closure notification James, Yes. In the future you can copy Jim Regg and Jack Lau too. Mel Rixse Senior Petroleum Engineer (PE) Alaska Oil and Gas Conservation Commission 907-793-1231 Office 907-297-8474 Cell CONFIDENTIALITY NOTICE: This e-mail message, including any attachments, contains information from the Alaska Oil and Gas Conservation Commission (AOGCC), State of Alaska and is for the sole use of the intended recipient(s). It may contain confidential and/or privileged information. The unauthorized review, use or disclosure of such information may violate state or federal law. If you are an unintended recipient of this e-mail, please delete it, without first saving or forwarding it, and, so that the AOGCC is aware of the mistake in sending it to you, contact Mel Rixse at (907-793-1231 ) or (Melvin.Rixse@alaska.gov). From: Brooks, James S (OGC) <james.brooks@alaska.gov> On Behalf Of AOGCC Reporting (CED sponsored) Sent: Wednesday, December 18, 2024 12:25 PM To: Rixse, Melvin G (OGC) <melvin.rixse@alaska.gov> Subject: FW: BOP Closure notification Does this go to you ? thanx -$0(6%522.6 5(6($5&+$1$/<67,,E$/$6.$2,/$1'*$6&216(59$7,21&200,66,21 '(3$570(172)&200(5&(&20081,7<$1'(&2120,&'(9(/230(17 E-$0(6%522.6#$/$6.$*29 CONFIDENTIALITY NOTICE: This e-mail message, including any attachments, contains information from the Alaska Oil and Gas Conservation Commission (AOGCC), State of Alaska and is for the sole use of the intended recipient(s). It may contain confidential and/or privileged information. The unauthorized review, use or disclosure of such information may violate state or federal law. If you are an unintended recipient of this e-mail, please delete it, without first saving or forwarding it, and, so that the AOGCC is aware of the mistake in sending it to you, contact James Brooks at 907-793-1241 or james.brooks@alaska.gov. CAUTION: This email originated from outside the State of Alaska mail system. Do not click links or open attachments unless you recognize the sender and know the content is safe. You don't often get email from cmontague@hilcorp.com. Learn why this is important From: Clint Montague - (C) <cmontague@hilcorp.com> Sent: Wednesday, December 18, 2024 10:20 AM To: AOGCC Reporting (CED sponsored) <aogcc.reporting@alaska.gov> Cc: Aras Worthington <Aras.Worthington@hilcorp.com> Subject: FW: BOP Closure notification Gentlemen, We had an old bulletin posted (dated 2010) which required the following information be emailed to doa.aogcc.prudhoe.bay@alaska.gov. Please find the information below regarding use of BOPE equipment on Innovation Rig last night 12/17/24 at 18:00 hrs. We are currently rigging up to test components used. If there are any questions, or updates required please let me know. Thanks, Clint Montague Hilcorp DSM Innovation 907-670-3094 Office 907-394-0776 Cell From: Michael Menapace - (C) <Michael.Menapace@hilcorp.com> Sent: Wednesday, December 18, 2024 12:26 AM To: doa aogcc prudhoe bay <doa.aogcc.prudhoe.bay@alaska.gov> Cc: Aras Worthington <Aras.Worthington@hilcorp.com>; Clint Montague - (C) <cmontague@hilcorp.com> Subject: BOP Closure notification On 12/172024 at 1800 hrs. the annular preventer was closed to mitigate gas break-out at surface during a displacement of Diesel and existing corrosion inhibited to fresh sea water. PBU F-31A, PTD 212-002 Innovation Clint Montague - (C) cmontague@hilcorp.com After performing the initial BOP test the hanger was pulled off seat to displace well to fresh sea-water, Approx 25 bbls into the displacement gas break-out was observed at the rig floor On 12/172024 at 1800 hrs. the annular preventer was closed to mitigate gas break-out at surface PBU F-31A, PTD 212-002 Approx 25 bbls into the displacement gas break-out was observed at the rig floor and the well shut in, pressure was recorded at 180 psi on both tubing and IA. We completed the circulation thru the choke and gas buster with no further incident and no flow observed after displacement. Tubing and IA pressures were 0 psi before testing and prior unseating the hanger and start of displacement Annular, Choke HCR and super choke were used. We will test the annular, Choke HCR and super choke as soon as existing completion is out of the hole Sam Menapace Hilcorp Alaska, LLC Innovation DSM Contact # (907)670-3094 Cell # (907) 690-2812 Michael.Menapace@hilcorp.com The information contained in this email message is confidential and may be legally privileged and is intended only for the use of the individual or entity named above. If you are not an intended recipient or if you have received this message in error, you are hereby notified that any dissemination, distribution, or copy of this email is strictly prohibited. If you have received this email in error, please immediately notify us by return email or telephone if the sender's phone number is listed above, then promptly and permanently delete this message. While all reasonable care has been taken to avoid the transmission of viruses, it is the responsibility of the recipient to ensure that the onward transmission, opening, or use of this message and any attachments will not adversely affect its systems or data. No responsibility is accepted by the company in this regard and the recipient should carry out such virus and other checks as it considers appropriate. The information contained in this email message is confidential and may be legally privileged and is intended only for the use of the individual or entity named above. If you are not an intended recipient or if you have received this message in error, you are hereby notified that any dissemination, distribution, or copy of this email is strictly prohibited. If you have received this email in error, please immediately notify us by return email or telephone if the sender's phone number is listed above, then promptly and permanently delete this message. While all reasonable care has been taken to avoid the transmission of viruses, it is the responsibility of the recipient to ensure that the onward transmission, opening, or use of this message and any attachments will not adversely affect its systems or data. No responsibility is accepted by the company in this regard and the recipient should carry out such virus and other checks as it considers appropriate. Annular, Choke HCR and super choke were used 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 this 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 F-31A Tubing Swap Hilcorp North Slope, LLC 3800 Centerpoint Dr, Suite 1400, Anchorage, AK 99503 212-002 50-029-21647-01-00 341J ADL 0028280 12020 Conductor Surface Intermediate Liner Liner 9052 80 2634 8723 491 3530 8358 20" 13-3/8" 9-5/8" 7" 3-1/2" x 3-1/4" x 2-7/8" 8104 31 - 111 30 - 2666 29 - 8752 8492 - 8983 8485 - 12015 2283 31 - 111 30 - 2664 29 - 8462 8226 - 8654 8219 - 9052 None 2260 4760 5410 10530 8358, 9439, 10330, 10740, 11120 5020 6870 7240 10160 8800 - 11976 4-1/2" 12.6# L-80 27 - 85348506 - 9051 Structural 4-1/2" TIW HBBP Packer No SSSV Installed 8431, 8170 Date: Torin Roschinger Operations Manager Aras Worthington aras.worthington@hilcorp.com 907-564-4763 PRUDHOE BAY 10/1/2024 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 Digitally signed by Torin Roschinger (4662) DN: cn=Torin Roschinger (4662) Date: 2024.08.14 15:52:18 - 08'00' Torin Roschinger (4662) 324-469 By Grace Christianson at 8:01 am, Aug 15, 2024 10-404 DSR-8/21/24 2283 MGR22AUG24 * BOPE test to 3000 psi. Annular to 2500 psi. SFD 8/23/2024*&: Jessie L. Chmielowski Digitally signed by Jessie L. Chmielowski Date: 2024.08.27 17:22:14 -08'00'08/27/24 RBDMS JSB 082824 RWO – Tbg Swap PBU F-31A PTD:212-002 Well Name:PBU F-31A API Number:50-029-21647-01 Current Status:Not-Operable; TxIA Rig:CDR2 Estimated Start Date:10/01/2024 Estimated Duration:5 Days Reg.Approval Req’std?10-403 Date Reg. Approval Rec’vd: Regulatory Contact:Abbie Barker First Call Engineer:Aras Worthington (907) 564-4763 (O)907-440-7692 (M) Second Call Engineer:Finn Oestgaard (907) 564-5026(O)(907) 350-8420 (M) Current Bottom Hole Pressure:3,153 psi @ 8,700’ TVD (7.0 ppge, last SBHPS ca. 2012) Max. Anticipated Surface Pressure:2,283 psi (Based on last SBHPS) Last SI WHP:2100 psi (8/26/2016) Min ID:2.313” NR @ 8,472’ MD Max Angle:103 Deg @ 9,609’ MD/ 70 deg @ 9,470’ MD Brief Well Summary: Natural flow Not Operable well that previously produced from the Ivishak. Three tubing leaks were located via LDL on 2/17/2021 @ 5,712’, 5,792’, and 7,170’ ELM. The well passed a CMIT-TxIA to 2,660 psi on 5/22/24 with a tubing-tail plug set AT 8,358’ MD in the sliding sleeve. This verifies the production casing and packer have integrity. A caliper of the tubing string was run in May 2024 and indicated a maximum of ~90% pitting @ ~5400’ MD, with pitting @ 3800’ MD less than 70%. The well was POP Under-Evaluation with AOGCC approval to verify rates/economics for a repair. The well flowed consistently dur ing that time and clears econmonic hurdles for a tubing swap to chrome to repair the TxIA. A PX plug was set to secure the well after the flow Under-Evaluation @ 8358’ MD and a CMIT TxIA passed to 2537 psi on 7/25/2024. The TxIA was circulated to SW and diesel freeze-protect in preparation for the RWO. Objective: Pull the existing 4-1/2” tubing. Run new 13Cr 4-1/2” completion with stacker packer. Achieve a passing MIT-IA & MIT-T. Return the well to production. Well Completion Information: Wellhead: McEvoy SSH, 13-5/8” x 4-1/2” tubing hanger. Existing Production Packer: TIW HBBP, 9-5/8” x 4-1/2” Pre RWO work: Wellhead: 1. PPPOT-T to 5000 psi (passed 7/11/2024), PPPOT-IC to 3500 psi (failed 7/11/2024). Note: the primary seal appears to be holding, the secondary seal appears to be leaking. There is no IAxOA communication observed through the IC packoff. E-line/Fullbore: 2. Mechanically cut tubing in the top of the first full joint of tubing above the sliding sleeve (~8,317’ MD per attached tubing tally of 9/17/86). DHD: 3. Bleed WHP to 0 psi. Valve Shop: 4. Set and test TWC (Cameron Type H 4-1/6”) RWO Procedure: 5. MIRU Workover Rig. 6. Nipple down tree and tubing head adaptor. Inspect landing threads. 7. NU BOPE configuration top down: Annular, 2-7/8”x 5” VBRs, blinds and integral flow cross. 8. Test BOPE to 250psi Low/3,000psi High, annular to 250psi Low/2,500psi High (hold each ram/valve and test for 5-min). a. Record accumulator pre-charge pressures and chart tests. b. Notify AOGCC 24 hrs in advance of BOP test. c. Confirm test pressures per the Sundry Conditions of approval. d. Test the 2-7/8”x 5” VBRs with 4-1/2” test joint. e. Test the annular with 4-1/2” test joint. f. Submit a completed 10-424 form to the AOGCC within 5 days of BOPE test. 9. RU and pull TWC. RU lubricator if pressure is expected. 10. Rock out diesel freeze-protect. 11. MU landing joint or spear, BOLDS and pull hanger to the floor. a. Expected PU weight in 8.4ppg = 91k-lbs calculated. b. Lift threads are 4-1/2” TDS 12. Pull 4-1/2” tubing to floor, circulate bottoms up. 13. Lay down 4-1/2” completion. Tubing hanger and tubing will not be salvaged. 14. Run 4-1/2” gas lifted tubing string with stacker packer completion as detailed on draft tally attached. a. Torque turn connections. RWO – Tbg Swap PBU F-31A PTD:212-002 15. Land Hanger and reverse in corrosion inhibited 8.4 ppg KCl or seawater. 16. Drop ball and rod and set packer. 17. Perform MIT-T to 2,500 psi. 18. Bleed off tubing pressure to 1000 psi and MIT-IA to 2,500 psi for 30 charted minutes. 19. Bleed tubing pressure down to shear the shear out valve in the top GLM. FP Tubing and IA with diesel to 2200’ MD. 20. Set TWC. 21. ND BOPE 22. NU tree and tubing head adapter. 23. Test both tree and tubing hanger void to 500psi low/5,000psi high. 24. RDMO Workover Rig. Post-rig valve shop work 25. Pull TWC. Post-rig Slickline Work 26. Pull Shear-out valve, run KO GLV. 27. Pull Ball and rod and RHC profile. 28. Pull TTP. Attachments: x Wellbore Schematic x Proposed Wellbore Schematic x BOP Schematic x Existing Tbg tally x 2024 Caliper Snapshot x Sundry Revision Change Form RWO – Tbg Swap PBU F-31A PTD:212-002 Current Wellbore Schematic RWO – Tbg Swap PBU F-31A PTD:212-002 Proposed Wellbore Schematic RWO – Tbg Swap PBU F-31A PTD:212-002 CDR2 BOP Stack RWO – Tbg Swap PBU F-31A PTD:212-002 Existing Tbg Tally: RWO – Tbg Swap PBU F-31A PTD:212-002 RWO – Tbg Swap PBU F-31A PTD:212-002 RWO – Tbg Swap PBU F-31A PTD:212-002 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 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: 5/21/2024 To: Alaska Oil & Gas Conservation Commission Natural Resource Technician 333 W 7th Ave Suite 100 Anchorage, AK 99501 SFTP DATA TRANSMITTAL T#20240521 Well API #PTD #Log Date Log Company Log Type AOGCC Eset# END 3-07A 50029219110100 198147 5/11/2024 HALLIBURTON Coilflag MPU E-19 50029227460000 197037 3/25/2024 READ CaliperSurvey MPU F-66A 50029226970100 196162 5/8/2024 READ CaliperSurvey MPI 1-27 50029216930000 187009 5/7/2024 READ PPROF MPU L-17 50029225390000 194169 5/8/2024 READ CaliperSurvey NCI A-12B 50883200320200 223053 5/2/2024 READ MAPP NCI A-17 50883201880000 223031 5/3/2024 READ MAPP PBU 11-41 50029237820000 224017 5/11/2024 HALLIBURTON RBT/Coilflag PBU D-31B 50029226720200 212168 5/12/2024 HALLIBURTON RBT PBU F-31A 50029216470100 212002 5/8/2024 READ CaliperSurvey PBU J-19 50029216290000 186135 5/2/2024 HALLIBURTON RBT PBU L-292 50029237510000 223025 5/6/2024 HALLIBURTON PPROF Please include current contact information if different from above. T38831 T38832 T38833 T38834 T38835 T38836 T38837 T38838 T38839 T38840 T38841 T38842 PBU F-31A 50029216470100 212002 5/8/2024 READ CaliperSurvey Gavin Gluyas Digitally signed by Gavin Gluyas Date: 2024.05.22 09:57:50 -08'00' STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMIS ON REPORT OF SUNDRY WELL OPERATIONS 1. Operations Performed Abandon ❑ Plug Perforations 13 Fracture Stimulate 0 Pull Tubing 0 Operations shutdown 0 Suspend 0 Perforate f3 Other Stimulate 0 Alter Casing 0 Change Approved Program 0 Plug for Redrill 0 Perforate New Pool 0 Repair Well 0 Re-enter Susp Well 0 Other:.5 14 e-OP ® o 2. Operator Name: BP Exploration(Alaska),Inc 4. Well Class Before Work 5. Permit to Drill Number: 212-002 3. Address: P.O.Box 196612 Anchorage, Development p Exploratory 0 AK 99519-6612 Stratigraphic 0 Service ❑ 6. API Number: 50-029-21647-01-00 7. Property Designation(Lease Number): ADL 0028280 8. Well Name and Number: PBU F-31A 9. Logs(List logs and submit electronic and printed data per 20AAC25.071): 10. Field/Pools: PRUDHOE BAY,PRUDHOE OIL 11.Present Well Condition Summary: RECEIVED JF Total Depth: measured 12020 feet Plugs measured See Attachment feet true vertical 9053 feet Junk measured feet Effective Depth: measured 9439 feet Packer measured 8431 feet true vertical 9074 feet Packer true vertical 8170 feet4 Casing: Length: Size: MD: TVD: Burst: Collapse: Structural Conductor 80 20"Conductor 33-113 33-113 Surface 2634 13-3/8"68#L-80 32-2666 32-2664 5020 2260 Intermediate See Attachment See Attachment See Attachment See Attachment See Attachment See Attachment Production Liner See Attachment See Attachment See Attachment See Attachment See Attachment See Attachment Perforation Depth: Measured depth: See Attachment feet SCANNED �; li,gyp. True vertical depth: See Attachment feet �" Tubing(size,grade,measured and true vertical depth) 4-1/2"12.6#L-80 28-8534 28-8264 Packers and SSSV(type,measured and 4-1/2"TIW HBBP Packer 8431 8170 true vertical depth) 12.Stimulation or cement squeeze summary: Intervals treated(measured): Treatment descriptions including volumes used and final pressure: 13. Representative Daily Average Production or Injection Data Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure Prior to well operation: 271 21793 43 520 1790 Subsequent to operation: 314 13036 0 960 969 14.Attachments:(required per 20 AAC 25.070.25.071,&25.283) 15.Well Class after work: Daily Report of Well Operations Gd Exploratory 0 Development Il Service 0 Stratigraphic 0 Copies of Logs and Surveys Run 0 16.Well Status after work: Oil 0 Gas 0 WDSPL 0 Printed and Electronic Fracture Stimulation Data 0 GSTOR ❑ WINJ 0 WAG 0 GINJ 0 SUSP 0 SPLUG 0 17.I hereby certify that the foregoing is true and correct to the best of my knowledge. Sundry Number or N/A if C.O.Exempt: N/A Contact Catron,Garry R(Wipro) Email Garry.Catron@bp.com Printed Name Catron,Garry R(Wipro) Title PDC Principal Engineer Signature f Phone +1 907 564 4424 Date 9/27/16 KT� l0/SI, « RBDMS L�OCT 3 2016 Form 10-404 Revised 5/2015 �(044Submit Original Only • • Plugs Attachment PBU F-31A SW Name Date MD Description F-31A 08/26/2016 9439 3-1/4"WFD Extended Range CIBP F-31A 07/16/2015 10330 2-7/8"WFD CIBP F-31A 04/21/2014 10740 2-7/8"WFD CIBP F-31A 05/30/2013 11120 2-7/8"WFD CIBP . • a) Q. 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DATE REV BY COIVMENTS DATE REV BY COMM9dTS I PRUDHOE BAY UNIT 09/17/86 N18E INTIALCOMPLETION 06/10/13 JRP/JMD AD-EFTS/SETCBP(05/30/13) WELL: F-31A 03/31/12 NORDIC 1 CTD SIDETRACK(F-31A) 04/18/14 DLVJMJ TREE C'O(04/15/14) PERMT No:"2120020 04/22/12 SET/ PJC NP RDCR/XX PLUG(4/15/12) 04/28/14 RM-VJMD CBP&ADPERFS(04/21/14) AR No: 50-029-21647-01 05/22/12 JTC/JMD TBG PATCH(05/21/12) 08/07/15 BLS/JMD CEP&ADPERFS(07/16-17/15) SEC 2,T11N,R13E,2353'FNL&2048'FWL 05/30/12 SET/JM) GLV GO(05/22/12) 09/07/16 KFS/JM) CEP&ADPERFS(08/25-26/16) 11/26/12 JJLIJMD ADPERFS(11/22-23/12) BP Exploration(Alaska) • STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMON REPORT OF SUNDRY WELL OPERATIONS 1. Operations Performed Abandon 0 Plug Perforations ® Fracture Stimulate 0 Pull Tubing 0 Operations shutdown 0 Suspend 0 Perforate a Other Stimulate 0 Alter Casing 0 Change Approved Program 0 Plug for Redrill 0 Perforate New Pool 0 Repair Well 0 Re-enter Susp Well 0 Other: 5r f C f 55 2. Operator Name: BP Exploration(Alaska),Inc 4. Well Class Before Work 5. Permit to Drill Number 212-002 3. Address: P.O.Box 196612 Anchorage, Development 0 Exploratory 0 AK 99519-6612 Stratigraphic 0 Service 0 6. API Number: 50-029-21647-01-00 7. Property Designation(Lease Number): ADL 0028280 8. Well Name and Number: PBU F-31A 9. Logs(List logs and submit electronic and printed data per 20AAC25.071): 10. Field/Pools: PRUDHOE BAY,PRUDHOE OIL 11.Present Well Condition Summary: Total Depth: measured 12020 feet Plugs measured See Attachment . e- EC E 1j ED true vertical 9053 feet Junk measured feet AUG 1 1 2015 Effective Depth: measured 10330 feet Packer measured See Attachment feet tl 1 true vertical 9049 feet Packer true vertical See Attachment feet j� (� /�` 'l G lam° Casing: Length: Size: MD: TVD: Burst: Collapse: Conductor 80 20"Conductor 32-112 32-112 0 0 Surface 2635 13-3/8"68#L-80 32-2667 32-2665 5020 2260 Intermediate 8723 9-5/8"47#L-80& 30-8754 30-8464 6870,8150 4760,5080 Liner 42 3-1/2"9.3#L-80 8485-8527 8219-8257 10160 10530 Liner 489 7 26#L-80 8494-8983 8227-8672 7240 5410 Liner 2311 2-7/8"6.4#L-80 9704-12015 9061 -9053 10566 11165 Perforation Depth: Measured depth: See Attachment feet True vertical depth: See Attachment feet S NNEEI NOV 1 6 2O f 5 Tubing(size,grade,measured and true vertical depth) 4-1/2"12.6#L-80 i22a86-8536 fV28-8265 Packers and SSSV(type,measured and See Attachment See Attachment See Attachment true vertical depth) 12.Stimulation or cement squeeze summary: Intervals treated(measured): Treatment descriptions including volumes used and final pressure: 13. Representative Daily Average Production or Injection Data Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure Prior to well operation: 324 33569 17 0 1082 Subsequent to operation: 0 0 0 0 0 14.Attachments:(required per 20 AAC 25.070.25.071,a 25.283) 15.Well Class after work: Daily Report of Well Operations IZ Exploratory 0 Development Q( Service 0 Stratigraphic 0 Copies of Logs and Surveys Run 0 16.Well Status after work: Oil Rf Gas 0 WDSPL 0 Printed and Electronic Fracture Stimulation Data 0 GSTOR 0 WINJ 0 WAG 0 GINJ 0 SUSP 0 SPLUG 0 17.I hereby certify that the foregoing is true and correct to the best of my knowledge. Sundry Number or N/A if C.O.Exempt: N/A Contact Summerhays,Nita M(WI•`O Technologies) Email Nita.Summerhays@bp.com Printed Name Summ-rhays,?...-• M IPRO Technologies)/ Title Petrotechnical Data Manager Signator- �' i� / , `/�j�J�� Phone +1 907 564-4035 Date 08/11/2015 Form 10-404 Revised 5/2015 V77.— 1 I Z J I 5— AA Q/Z* RBDMSC AUG 1 4 2015 Submit Original Only • • Daily Report of Well Operations PBU F-31A ACTIVITYDATE SUMMARY CTU 8 w/ 1.5" CT(CTV=23.9) Objective: Drift/Log, Set CIBP, &Adperfs MIRU CTU 7/15/2015 ***Continue on WSR 7-16-15*** CTU 8 w/ 1.5"CT(CTV=23.96) Objective: Drift/Log, Set CIBP, &Adperfs ***Continued from WSR 7/15/15*** MU Wfd ctc- MHA- MU PDS 2.2" Carrier w/2.25"JSN - RIH Drift/Log-Tag @ 10.608' CTM - PUH 50 fpm logging - Paint a Yellow Flag @ 10,280' CTM - Log up 50 fpm to 8300'- POOH - BD PDS Logging Tools- PT Wfd MHA- MU Wfd Setting Tool &2-7/8" CIBP- RIH -at Flag -Corr Depth to 10,272.94' ELM - RIH to 10,330' Mid Element- Set 2-7/8" CIBP- POOH - LD Setting Tool - ball recovered- PT wfd MHA- MU TCP 2" 30' Perf Guns - RIH -Tag CIBP and Corr Depth 10,328.84'- PUH Perf 10,180'-10,210'- POOH ball recovered, RIH Perf 10094'-10124', POOH 7/16/2015 ***Continued on WSR 7/17/15 *** CTU 8 w/ 1.5" CT(CTV=23.96) Objective: Drift/Log, Set CIBP, &Adperfs ***Continuied from WSR 7/16/15*** POOH with gun run 2, recover ball. RIH with Gun 3-2" 30'guns, tag plug at 10330', puh and perforate 10020'-10050', POOH -ASF- recover ball- RDMO CTU#8 7/17/2015 ***Job Complete*** Fluids Summary BBLS Type 53 50/50 METH 275 SLICK 1% KCL 328 Total i II a) N A m r M c'') N- M M a() V N O) (O M N = ao r r N (0 t0 , N O (O r O) V N- a0 Q. 00 a0 O) V V V N O) I� O) V to 0 to 00 O N 0 O V V ' V V VO V V V tf) (C) IC) O 6) 6) O) O) O) M 0 6) O7 C O) O O 6) O) > F- m O 1- V N- V ao N- M N- M (O (O N M O to = a0 O) fl O)( N CO (O O tO M (O N- O N M a co N- cd M V V r d) OD N O I,- (O V O o V V V V V V V V V V IC) to to it) tf) O O O O O O O O O O O O O O O O o CA O) O O) O) 6) 6) CD O) O) O) O) O) M O > I- O 0 W m > Q Y mO V 0 0 0 0 0 0 0 0 0 0 0 CO a) 2 J U W _ t0 N r V I- O N a0 a0 V a0 O) N N- W J m V) W y 0 N to tO (O 0O O7 r cN N V to co O) 1Y Q w a O Z O C D O O O O O O O O r r r r r r a a U J W DO r r r = = = = = = r = = = = = W W z 0 0 0 J J W E (aa 1- 1- ¢ = W O a W a > Q g v iz cn z O H OO J 0 z .0 O O W a 0 z T.- 4-0 Q to cn g O O u~) O ua) to co) O Q M 00. 1 o LL I- C = 000000000000 (0 (0 Q. N O) co r VN- Oin r) t0 ito co O) co co O N O C) r IC) IC) 10 N- O) r N N V V I"- 00 W 0 0 0 0 0 0 0 0 0 v- ,- ,- ,- ,- ,-- = = = = = = = = = CO a N O 2 Ir u) Y U 0 u) Ir - a O cn t~i) tan C/) tan C) a a 0 C) c .9 LL LL LL U) () U) U) U) U) U) U) U) U) U) U) 1-4aa. aMMMO_ M . aaQ_ aaa 45 < < < a) mmmmmmmmm a 0 t 0 a m I- otO tO tO tO tO tO LOtO tO to t0 tO to tO tO 0 O= c 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 W Z O N N N N N N N N N N N N N N N ZZ W WQ W W � — W N N W u' (0 (O O CO M (fl CO (D Cfl 0D 0 O (0 (O W k .- - - - - r -. . . = = = = = = z CL J C.) W w W W w O. ti < O J 1 J J D J D a' Cl O CO O D W J J O Q O W W < ,20- to u. ti to W to a s a) E Co Z « « « « « « « < r = = = = = = = = = .- = = = = (0 M M M M M M M M M M M M M M M W a u) O W N W W CO a a a U -1 O O W a LL LL LL lL LL LL LL LL LL LL LL LL LL LL LL < < m m tt_ ti to cn a ix • • Packers and SSV's Attachment PBU F-31A SW Name Type MD TVD Depscription F-31A PACKER 5683 5656.7 4-1/2" Baker KB Top Packer F-31A PACKER 5718 5688.73 4-1/2" Baker KB Top Packer F-31A PACKER 8432.22 8171.52 4-1/2" TIW HBBP Packer • F-31A 205-081-0 Plugs Attachement SW Name Date MD Description F-31A 07/16/2015 10330 2-7/8"WFD CIBP F-31A 04/21/2014 10740 2.2 CIBP F-31A 06/01/2013 11120 2-7/8" WFD CIBP TREE= . 4-1/8"CIW FLS ill .111E111-EAD= MEVOY F-31 A —Slt NOTES:WFI I ANGLE>70°@ 9469' ACTUATOR". BAKER C NrIAL KB.El 6629' if,ELEV-= 37.39' I 1 I KOP= 5200' 2086' -4-1/2"NES1-0(0 SSSV NIP,ID=3.813" Max Angle= 103*@ 9609' CONDUCTOR -I ? 1/,j 0 13-a-tuFA m = 9185 , GAS LFT MANDRELS tealiiritVb;---- iftibd SS ST 14) TVD DEV TYPE VLV LATCH PORT DATE i 6 3208 3206 0 OTIS DOME RM 16 05/22/12 13-3/8"CSG, 72#,L-80 BUTT,ID=12.347" -1 2666' 5 5281 5276 14 OTIS SO RM 20 05/22/12 z>i< 4 6596 6488 24 OTIS DMY RA 0 09/17/86 9-5/8'CSG,47#,L-80 NSCC XO TO L-80 BUTT H 4289' 7>i< I L 3 7484 7304 23 OTIS DMY RA 0 09/17/86 9-5/8'CSG,47#,L-80 BUTT XO TO 5-95 BUTT -I 4328' }// 2 8023 7798 24 OTIS MY RA 0 09/17/86 1 8170 7933 24 OTIS DMY RA 0 09/17/86 IS z E--------I 5683' -5718' -4-1/2'BKR TBG PATa-L ID=245" (OAL 40.92') 8358' -4-1/2"OTIS XA SLD SLV,ID=3.813" Minimum ID = 2.313"@ 8472' 1 1 I 1 4-1/2" X 2-7/8" NIP REDUCER ) 8415' --{INV FBR SEAL ASSY Z >< 8431' H 9-5/8"X 4-1/2"TW I-138P PKR,ID=4_750" i 111,.......H 8472' -14-1/7 OTIS X NP,ID=3.813" 8472' J-_4-112"X 2-7/8"NP RDCR,ID=2.313"(4/15/12) TOP OF 7"LNR -I 8491' .18485' -3.70"BTT GEN N DEPLOY SLV,D=3.00' 8504' -4-11r OTIS XN NP,NA_LED TO 3,80" 3-1/2"LIkP,9.3#,L-80 STL,.0087 bpf,ID=2.997-1 8527' i (12/13/11)BEHN)CT LNR 8506' H3-1/2"OTIS X NP,ID=2.812' 4-1/2'TBG, 12.6#,L-80, .0152 bpf, ID=3.958" - 8533' I 9-5/8"CSG,474,S-95 BUTT,ID=8_681" 1- 8757 N ----" 8527' -3-1/2"X 3-1/4"XO,ID=2.786" I \ IT w-IPST00((02/05/12)w/RA TAG s., 898T - 8978'ELM .--Ii" 8534' -4-1/2"VVLEG,U=3.958" BEHIND T LM,26#,L-80 U4S,.0382 bpf,ID=6.276" - -8983' 8532' -aM)TT LOGGED 09/22/86 CT LNR 3-1/4"LNR,6.60#,L-80 Tal,.0079 bpf,ID=2.786" - 9704' 8965' -TOP OF CEMENT PERFORATION SUMANR'Y P .4 i e; REF LOG:BNIAND GR ON 03/22/12 4 r ANGLE AT TOP PBRF: 88"@ 10020' P ' FALLOUT WINDOW(F-31A) 8983'-8991' Note:Refer to Production DB for historical pert data P SIZE SIT INTERVAL Opn/Sqz SHOT , SQZ 9704' -3-1/4"X 2-7/8"XO,ID=2.377' 2" 6 10020- 10050 0 07/17/15 I 2" 6 10094- 10124 0 07/16/15 I 2" 6 10180- 10210 0 07/16/15 I 10330' -2-7/8"VVFOCEIP(07(16/15) r 6 10510- 10540 C 04/21/14 - 2" 6 10540- 10570 C 04/21/14 I I 2' 6 10570- 10600 C 04/21/14 10740' -12-7/8"VVFD CE3P(04/21/14) I 2' 6 10790- 10820 C 05/30/12 - - 2' 6 10950- 10980 C 05/30/12 I 10966' --{TAGGED FLL(04/20/14) 2' 6 11150- 11180 C 11/23/12 I 2" 6 11210- 11240 C 11/23/12 11120' -2-7/8"WFD CEP(05/30/13) - 2' 6 11250- 11280 C 11/22/12 I 7 6 11460- 11520 C 11/22/12 I , 2" 6 11736- 11816 C 03/29/12 I r 6 11866- 11976 C 03/29/12 I 11977' -FOTO 1 2-7/8"LNR,6.4#,L-80 STL,.0058 bpf,ID=2.441 - 12015' Ig DATE FEV BY COMENTS DATE REV BY COPAA3sITS PRUDHDE BAY UNT 09/17/86 WISE INITIAL COMPLETION 06/10/13 JRFfJMD AD:EFTS/SET CBP(05/30/13) WELL: F-31A 03/31/12 NORDIC 1 CTD SIDETRACK(F-31A) 04/18/14 DU/JMD I klzE C/O(04/15/14) FERMT No: 2120020 04/22/12 SET/ PJC NP RDCRi XX RIG(4(15/12) 04/28/14 RAAIJM) CBPP ADFITIFS(04/21/14) A P11%b: 50-029-21647-01 05/22/12 JTC/JMD TBG PATCH(05/21/12) 08/07/15 BLS/JM) CEP&ADFURFS(07/16-17/15) SEC 2,T11N,R13E,2353'FI&&2048'FWL 05/30/12 SET/JM) GLV(20(05/22112) 11/26/12 .11L/JM) ADFERFS(11/22-23/12) BP Exploration(Alaska) 0 cc wines C N cDo0 a1 O O c iy Z .- 41 Y O�ww U 0' raw- a) 0 j in Q Y U U m Id,' a1 Y 1- \ro �\0U VY ° ca C O C -° w Q O O C QJ In M Cn N Cn CALO Cn In (0 O Q1E _E CO J Q r x- N ,'C., U +-' N Y In (V ' < % ' a O Y , LQ H (0CdC0C0CQ10 8. d L C CCn C` O N O C) r NM `� C - > � N N N N N N C a) QJ Q aJ Z 5 OU '° E O TCC et F N >C U) +-' (a D 0 0 0 0 0 0 0 0 0avUCtTJ J J J J J J J Ji W W W W W W W W WoC° CYa 0_ LL LL LL LL LL LL LL LL U. aJ E �^0 J J J o_ O C a1 C:7 Q Q Q Q Q Q Q Q Q yC, Z <7) ZZZZZZZZZ (0 v U V LL LL LL LL LL LL LL LL LL (3) - ;� V v aJ _, Y Y > Y U ` Y ° ° o GS'� GS' v V a a1 -0 LC-9O Z C o O v v o O V z J 0 C0 z F Q CV _C °v > r..4V y 2 O U UJ, O 0 LL LL F J cem a. oaLL30ce2a '� c.) 1a col±c LL d ad u) Et W N _> Q V o . 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They are available in the original file, may be scanned during a special rescan activity or are viewable by direct inspection of the file. e I_;:? - 00 aWelI History File Identifier Organizing(done) ❑ Two-sided ❑ Rescan Needed 7CAN: OVERSIZED: NOTES: .r Items: ❑ Maps: `p Grayscale Items: ogs: ❑ Poor Quality Originals: ❑ Other: ❑ Other: BY: an Date: ¶18') ' if /s/ ityl p Project Proofing �� BY: Maria Date: 0 g ' /s/ Y V I 1 Scanning Preparation if x 30 = I c© + a = TOTAL PAGES 1 (Count does not include cover sheet) 04 BY: 1L - Date: 3 g At- /s/ 1 Production Scanning Stage 1 Page Count from Scanned File: 1 1+'6(Count does include cover eet) P�a•- Count Matches Number in Scanni g Pfi - partition: YES NO_ BY: _ _ Date: q g /s/ 04pr Stage 1 If NO in stage 1, page(s) discrepancies were found: YES NO BY: Maria Date: /s/ Stage 2 Additional Well Reports: YES NO TOTAL PAGES: Digital version appended by: Meredith Michal Date: /s/ Final Page Count: Stage 1 Stage 2: TOTAL PAGES: 9 g Scanning is complete at this point unless rescanning is required. ReScanned BY: Maria Date: /s/ Comments about this file: Quality Checked 7/8/2014 Well History File Cover Page_20140708.doc 9C C ci Co ? + O a ) .,- o J ,E 4 a co .Cl) 0- co> a) o + E Ira 0 -o t a a) C a CO co F-(/) , 0 Co N' o d a J y a3 • Z mai co a a)'a) > `o 0) Ewv 0•-• N 7-1). 0 la o N _V a o N a m ..=.net W r U�U a+ t 2 ca co �? _ ,>-all m' 0 co H o mFR� H 0 9-15 E.>.- 2.2a co co 2 a oo 2 U�f° I N E a x E2 � Z ° _ -° X00 E a N � Eaz Z.cui co Z o 4 o y-V m X m d e r a0i f6 0 ai aa)) > 20 O o D a m 0 a)Z W) aE 0)D F.. co E a F- a 200x 20 2CC F-00 2J 2 20 2ZF- 2z a Ws o -o Q 0 > N_ N N N_ N N CO M CO CO CO CO M -J U V O O O O N N O O O O O O O N (n y N N N N \O N N N N N N N ✓ O Q p Q: M co co M �- C") CV M M CO (O (D Z J '1' V V V N . .- .- CO M Q j - -- C C C C C C C C C C C C C Y a) 0) Cl) a) Co Cl) a) a) Cl) co co a) Cl) CO c 0 = a a a a a a a a a a a a a co - ' 0 0 0 0 0 0 0 0 0 0 0 0 0 Ce Q- c :° 0.O Z coO O M 0 N CO CO O N O OCV O O CO 0) w g C CO O O O N N CO CO CO V V CO co IX 0 J O CO CO CO CO 0) CO CO r.- n N N d Cl) CO CO CO CO CO CO Co Co CO CO Co LU x W -J U m q Z r 8 § o Q reZ a) J o. :" t O. 0 0 rn� o Z. 0 0 0 e, cc / zI lo J . 0 0 0 0 0 r O 0 m O a E a ") o V N N (A LO N 10 N N Z -1 co U 0 2 co Q 0 0 LL r N '--- I-- H z o 0 E COi CO m CO 1 - w• Cl) 0 o O 0 0 Q a o 2 ZI vi Q > T >0 a) co. >. 0 d c)• ,• / o m z z z Z 7 7 7 7 -0 Q 1 co co co CO Co > CO Z 7 77 N N (a Q' Q' (l) co a) a) 0 0 0 0 CO0E E E Z Z C C 2 2 COo Z ,N a) a) a) a) (6 E Co co a) o 7 7 w 0 0 0 0 ) Cl) 0 0 0 CO (O Z Z O 0 Z 0 to a) co co co co co co (O (0 co N 0 J I.. N .0 CO CO N N N N N 0 0 O H F- 'Cr) 0 E N N N N N N N CO N N < Z r E W O Z I N N N N N N N N N E O O N 0 Q 0 (o LL E FEE 0 N 0 0 c -a '5 ami < < a a a- 0 � U. I - I z w o'0 2 U U 0 0 0 d • 0 J (a 0 �, 0) 0) o) 0) 0) O y 0 1 a y rnr a s n 0 0 0 0 0 0 0 0 0 0 0 a. 2 Ill Ce il FT J F� d' cc W w J W J J J J W J W 2 77 A. 2 /7 / W c a) Ii) o o rn o 0 ria u- oI J J U J a- v O y 0 y �n =? me 10m =. mcJ 0f° E u- E E E E n- o a° Tr Z 2 �, w .sE � E N - E I- E o CL w1 •• T.y m (a.- 0) > y co as O a) E a) a) co co N m a) E o)m ° o m a) E °)m as o a o w O w 0 o- o= o) U o) E a a) D m E a a) D �- T 2 >. cI >, wl o o N -5 comm oCK g a m c o (tort 2'O m m m C? E 0aw oc ,� E °y 0 > ,� _c 0 0I LSI t2I E Iii. E a).> (9-- m 16E a)3 CC 6' m m .-I m m cnm cnm o U o m D�w a o U oia 0.2-co o E n E Q E Q nQ aQ z 0 a) > o m d D m ma) a m a) m m y.- y — F. 2acc F-�a 2 C 2aCC --CC D0 0 0 CDu:c) 0Li;; 0c) 0M. 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Ce rt X CL X cc cL z m m m m m m m IX m m CO COCe CL (0 (0 CL —y co m as m CO co CO CO CO m (0 CO • r) E E E E E E E E E E E E 1.0 E E E E E E E E E E E E c o co m co m m m as co m Co m mc 0 0 0 0 0 0 0 0 0 0 0 0 •70' 0 0 CO CO (D r` Con Co CO co) a0) a0) 0 W 0 m co co co co Ir- r r- n N > co N N N N N N N N N N N W N N N N N N N N N N N y U N a) LU N . a) r4 E E z NIa a a 0 ON a z Q O U 0 0 0 0 0 y p 2 E v 0 `m 0 0 0 0 0 0 0 0 o 0 0 0 0 d z d 2 J J W J J W J J LU W W W � < r Yd.? / <Z/g) coN N q5 L j. O N f0 C O co O ISI Z L L o I,,. a U a m Q N d o L `o o m �I�"410. U U -J _J 4110 U R _ a a N Z / z 1 • iii 1 N ce Qa) C N 0 it I H O ZMS MI a. O U O 0 LII LU o o m I/ _ co Ce a lL E Xa) N LU W rn N N C.) m O E J E Z elvi «3 CO Q 0al 1 _ O Cl) Cl) O co N J O. C J N v EH CL 0. 0 U H M o 0 a) O CZ-1 a E Jr r >- Q a H M LL as 1 N O = 5_ Z I O coR G N R CD2I in III1 Q co a) E III I CO m M O E ! ,' x R t..5 a) c' • 0 = c \ o 1 � a 0 ° a _�/ U p O z Ihkok m li h I • co cp o Z II -111111,0 o ~/ o N m Cu N E a 3 0 N r c Cl) D. N a) 0 a) N Y re O N H Cu I1 d o NO 0 C R N - V a 7 O £ •O. E 0 E O N O o 0 • 2 0 a 0 II vi I c.O STATE OF ALASKA Ykr I ' Al A OIL AND GAS CONSERVATION COMM )N • • REPORT OF SUNDRY WELL OPERATIONS Ma 15 2014 1.Operations Abandon Lf Repair Well❑ Plug Perforations U Perforate U Other X, Performed: Alter Casing ❑ Pull Tubing❑ Stimulate-Frac ❑ Waiver ❑ Time Extension❑ 5-e C/9P Change Approved Program ❑ Operat.Shutdown❑ Stimulate-Other ❑ Re-enter Suspended Well❑ VLF_/z-z/l L 2.Operator 4.Well Class Before Work: 5.Permit to Drill Number: Name: BP Exploration(Alaska),Inc Development El Exploratory ❑ , 212-002-0 3.Address: P.O.Box 196612 StratigraphiC Service ❑ 6.API Number: Anchorage,AK 99519-6612 • 50-029-21647-01-00 7.Property Designation(Lease Number): 8.Well Name and Number: ADL0028280 % PBU F-31A 9.Logs(List logs and submit electronic and printed data per 20AAC25.071): 10.Field/Pool(s): PRUDHOE BAY,PRUDHOE OIL 11.Present Well Condition Summary: Total Depth measured • 12020 feet Plugs measured See Attachment feet true vertical 9052.77 feet Junk measured None feet Effective Depth measured • 10740 feet Packer measured See Attachment feet true vertical 9042.08 feet true vertical See Attachment feet Casing Length Size MD TVD Burst Collapse Structural None None None None None None Conductor 80 20"Conductor 29-109 29-109 Surface 2636 13-3/8"68#L-80 30-2666 30-2663.96 5020 2260 Intermediate See Attachment See Attachment See Attachment See Attachment See Attachment See Attachment Production None None None None None None Liner See Attachment See Attachment See Attachment See Attachment See Attachment See Attachment Perforation depth Measured depth See Attachment feet True Vertical depth See Attachment feet Tubing(size,grade,measured and true vertical depth) 4-1/2"12.6#L-80 27-8534 27-8263.79 Packers and SSSV(type,measured and true vertical depth) See Attachment See Attachment See Attachment Packer None None None SSSV 12.Stimulation or cement squeeze summary: Intervals treated(measured): RBDMS*MAY 16 2014 Treatment descriptions including volumes used and final pressure: 13. Representative Daily Average Production or Injection Data Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure Prior to well operation: 308 24255 25 0 1083 Subsequent to operation: 801 20671 47 0 1143 14.Attachments: 15.Well Class after work: Copies of Logs and Surveys Run Exploratory❑ Development 0 • Service❑ Stratigraphic ❑ Daily Report of Well Operations X 16.Well Status after work: Oil . ❑✓ Gas ❑ WDSPL❑ GSTOR ❑ WINJ ❑ WAG ❑ GINJ ❑ SUSP ❑ SPLUG❑ 17.I hereby certify that the foregoing is true and correct to the best of my knowledge. Sundry Number or N/A if C.O.Exempt: N/A Contact Garry Catron Email Garrv.CatronCa)BP.Com Printed Name Garry Catron Title PDC PE Signature G/ — Phone 564-4424 Date 5/15/2014 I C �e Vt–F 57zz /iif- '# f/z//y Form 10-404 Revised 10/2012 Submit Original Only F-31A 212-002-0 Plugs Attachement SW Name Date MD Description F-31A 4/21/2014 10740 2.2 CIBP F-31A 6/1/2013 11120 2-7/8"WFD CIBP Packers and SSV's Attachment ADL0028280 SW Name Type MD TVD Depscription F-31A PACKER 5683 5656.7 4-1/2" Baker KB Top Packer F-31A PACKER 5718 5688.73 4-1/2" Baker KB Top Packer F-31A PACKER 8431 8170.41 4-1/2"TIW HBBP Packer d o, 00O0LOto O00 p v� LD Lr) NN- V +' 00000000 r- i) , P N M CON V com - (DC) CO O . LO 01 N. 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O i �o � N Q � ap � a) X oo 3 L • au) ,- -coo ca rn oo § Z E c -0 o o U oo 0 .- cn H a) = m a) D r 0 22w pN0 °ca° a}E) 1-6 ) c 0 cN m > pU c N. U O o O F_ � I- (� a) r•-: Q - c o � F O � Jcn o _c no G) .• *k D 0 a p = O N N O' N r` L _ Q C N (0 0 -O' 0 , -0 LI O To >, a tl p a) w .O a) .J- E O — L a) �- ca 0 D M CO c N _ > > z o E • E 0 0 a) cn o a) v 0 v N co N rn o (0 .°-d ch 'O W cn o co ui D U) c rn o >� TT) .0 N cn rn _o c u -a , al 0 C>n O - c a) Zp a cn _ Wo Q 60 > o o C _ n _c9g > - mac`) .O O 0 >" 10a) d L 0 ca " o a) a) O 0 0.— ~ � m 0 a X u- - C • _ c� m m E cn a ti a) a) . E Qo v N J i1) - CV cn = > OOd in oon O C >= •Na 00 N o .` ca O 3 a) J .- J 2 •N C (0 'C a) -a - -6 - a) > 0 N -0 co -6 CJ 1- -o -O E J ~ J - o)-p -0 L - N in j - E - V - - Cl) N a)• O a) OE C > N ()0 c c o)D 0 a) oo �' o N 2 _o C O o -c c m a) vx _1 _1 c - rno) - N= * DD1- - 0 2 0 •- 0 - (0CS0 0 p@ 2O O OC O io O * a. a ** U2X0 0_ 00 UCCoioi - n- N -o aX -aa 00 o (n c) * - - - o O o 0 N (N (N N ) O N- N N N (N 4 V V V TTS= 4-1/8"CNV FLS - WELLFEAu.= NtEVOY —31 A SAF NOTES:WELL ANGLE>700 @ 9469' ACTUATOR= BAKB C NTIAL KB.ELE 6629' BF.REV= 37.39' I KOP= 5200' ./ Mix Angle 1030g 9609' CONDUCTOR ---I ? Y 2086' -14-1J2"FES FDCO SSSV NP D=3.813" 11 Datum MD= 9185' O GAS LFT MANDRELS Datum ND= 8800'SS ST MD TVD DEV TYPE VLV LATCH PORT DATE 6 3208 3206 0 OTIS DONE RM 16 05/22/12 13-3/8"CSG,72#,L-80 BUTT,D=12.347' -, 2666'J A 5 5281 5276 14 OTIS SO RM 20 05/22/12 XX 4 6596 6488 24 OTIS DAY RA 0 09/17/86 9-5/8"CSG,47#,L-80 USCG XO TO L-80 BUTT H 4289' Ix. L >c 3 7484 7304 23 OTIS DMY RA 0 09/17/86 2 8023 7798 24 OTIS DMY RA 0 09/17/86 9-5/8'CSG,47#,L-80 BUTT XO TO S-95 BUTT H l 4328' 1 8170 7933 24 OTIS DMY RA 0 09/17/86 5683'-5718' 4-1/2"BKR TBG PATCH,ID=2.45" 1(OAL 8358' H4-112"OTIS XA SLD SLV,D=3.813" Minimum ID =2.313"@ 8472' I I 4-1/2" X 2-7/8" NIP REDUCER l 8415' HTIWFBRSEAL ASSY X X- 8431' H9-5/8"X 4-1/2"TNV I-BBP R<R,ID=4.75 I 8472' H4-1/2"OTIS X NP,ID=3.813" 8472' H4-1/2"X 2-7/8"NP RDCR,D=2.313'(4/15/12) TOP OF 7'LNR -1 8491' 8485' -3.70"BTT GEN II DEPLOY SLV,ID=3.00" 8504' -4-1/2"OTIS XN NP,MLLE)TO 3.80" 3-1/2"LNR,9.3#,L-80 STL,.0087 bpf,D=2.992'--j 8527' I (12/13/11)BEI-IND CT LNR I 8506' H3-1/2"OTIS X NP,D=2.812" 4-1/2"TBG, 12.6#,L-80, .0152 bpf,D=3.958" -I 8533' 9-5/8"CSG,47#,S-95 BUTT,ID=8.681" --I 8752' 48527' -13-1/2"X 3-1/4'XO,D=2.786" / \ 7"VVHPSTOCK(02/05112)w/RA TAG @ 898T H 8978' ELM '\ 8534' H4-1/Y WLEG,D=3.958" BEHI ND 7"LNR,26#,L-80 L145, .0382 bpf,ID=6.276" -j -8983' 8532' -I ELND TT LOGGED o9/22/86 CT LNR 3-1/4"LNR,6.60#,L-80 TCI,.0079 bpf,I)=2-786' - 9704' 8965' ,HTOPOF CEIJENT Y."* PERFORATION SUMINIRY •REF LOG: BHW MD GR ON 03/22/12 *w MLLOUT WINDOW(F-31A) 8985-8991' ANGLE AT TOP PERE: 90'@ 10510' Note Refer to Production DB for historical perf data SIZE SPF INTERVAL Opn/Sqz SHOT SOZ 9704' H3-1/4"X 2-7/8"XO,D=2.377" 2" 6 10510-10540 0 04/21/14 2" 6 10540- 10570 0 04/21/14 2" 6 10570- 10600 0 04/21/14' 2" 6 10790- 10820 C 05/30/12 2" 6 10950- 10980 C 05/30/12 I 10740' H2-7/8'AFD CSP(04/21/14) 2" 6 11150- 11180 C 11/23/12 2" 6 11210- 11240 C 11/23/12 ' 10966' HTAGGED FLL(04/20/14) 2' 6 11250- 11280 C 11/22/12 4 11120' -H2-718'VVFD CBP(05/30/13) 2" 6 11460- 11520 C 11/22/12 ', 2" 6 11736- 11816 C 03/29/12 2" 6 11866- 11976 C 03/29/12 I I 11977' -{PBTD 2-7/8"LNR 6.4#,L-80 SIL,.0058 bpf,ID=2.441 - 12015' DATE REV BY COMMENTS DATE REV BY COIVIVENTS PRUDHOE BAY UNIT" 09117186 0118E IMTIAL COMPLETION 06/10/13 JRPVJND ADPERFS/SET CEP(05/30/13) WELL. F-31A 03131112 NORDIC 1 CTD SIDETRACK(F-31A) 04/18/14 DI.VJND TREE C/O(04/15/14) PERMT No ' 120020 04/22/12 SET/ PJC NP RDCR/XX PLUG(4/15112) 04/28/14 RM-VJND C8P&ADPERFS(04/21/14) API No: 50-029-21647-01 05/22/12 JTC/JND TBG PATCH(05/21/12) SEC 2,T11N,R13E,2353'FM &2048'FWL 05/30/12 SET/JND GLV CIO(05/22/12) 11/26/12 JJUJMD ADPERFS(11/22-23/12) BP Exploration(Alaska) co 'O X �... el , u K Ii/ 3 'r —, - 'Q N C/ co W W W,T19 r, ro CC :ID tl�P) N v' ` N STI .'fit wiL a D W CO W 0 C) — O . 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(:(s) It ©�© a; f2 w 0 1 e 6.,.‘isk.o, v)c) rconcr r5-1---_,,, ,- +-A cs-- ....,R,,,,......j p,.:(... 1 . ci Rto'l, , ........, ...........41 \-:tir C , v eL W iV c„) N N O co 0 0 N p 0 0 p r O tM0 O U to N CD N N c' N � > O O 0 O O O O O O ' — 0c. ,_,•4- O 0 N ' 0 0 p 0 >- O )y O O O O O O O p p p O p O 0 0 p p t1 co O to - ,# 0 0 0 O m ^ u. H O H =c.D Tr O f. C0 , U 0 V ,lam 0 o , W in N x[) a m 0 m -) C9 cp0 v 0 0 0 N N 0 ami 00 Ct a; o ^ UC� C) U (.> t..) UmC� mmUUmmmUC� mm C 03 � 0 O rnrl N L > CT CT COro N Y m ^ 0 c ro m Q a a s ..a ut U r o 0 a o m 0 0 0 ^ m CO V m CO u) u) Q N o N @ ,� ai ai Ilii O M N O N M M N CN O ,- O M p T is N 1- N- D: C to t = z LJ m w N o J Y N 0 1 m U W z I U O C9 LL , LL , u m az .c � l7 p O J O - 0 w O Q Y E >cc N U .. O ro a o u ii H > N •Q Li 0 X d m cn Q % i ECE1VE I) ITA L BAKER PRINT DIST IBUTION LIS"I�AY 2 91G1.� HUGHES AOGCC COMPANY BP Exploration(Alaska)Inc. INTERMEDIATE FINAL Yes (mandatory) WELL NAME RUN NUMBER Z-k 2-00 2 (mandatory) 22—G`G 7 FIELD Prudhoe Bay BH SALESMAN Chris Klotz (mandatory) (mandatory) COUNTY North Slope Borough BH DISTRICT Alaska (mandatory) (mandatory) STATE Alaska PAGE OF (mandatory) LOG DATE: TODAYS DATE: 4/3/2013 (mandatory) DISTRIBUTION LIST AUTHORIZED BY: BP Exploration(Alaska)Inc. (mandatory) HAS CLIENT BEEN INVOICED FOR ADDITIONAL PRINTS? COMPANY a FIELD FINAL ( CU digital/ ADDRESS(FEDEX WILL NOT DELIVER TO P.O.BOX) LOGS LOGS image) FILM PERSON ATTENTION #OF PRINTS #UI I HIN I S #OF COPIES #OF COPIES o 4 4 4 4 4 4 4 1 BP Exploration(Alaska)Inc. 1 I 3 I 1 I I I Petrotechnical Data Center LR2-1 900 E.Benson Blvd. Anchorage,Alaska 99508 1 2 ConocoPhillips Alaska Inc. ' I I 1 I I Attn Ricky Elgarico • PO Box 100360 i Anchorage,Alaska 99510 3 ExxonMobil,Alaska 1 1 1 I 1 Attn Lynda M.Yaskell and/or Leonardo Elias i 3700 Centerpointe Dr. Suite 600 Anchorage,Alaska 99503 4 State of Alaska-AOGCC I I 1 1 1 1 I I Christine Shartzer i, 1333 West 7th Ave,Suite 100 �) Anchorage,Alaska 99501 5 DNR-Division of Oil&Gas 1 I 1 1 1 I , Attn:Sean Clifton 1, 1550 W.7th Ave,Suite 800 I' 1 'Anchorage,Alaska 99501 TOTALS FOR THIS PAGE: 0 5 5 0 0 0 TOTALS FOR ALL PAGES: 0 5 5 0 0 0 4...`. ,?r, STATE OF ALASKA A. ..)KA OIL AND GAS CONSERVATION COMM_ _,ION - ' REPORT OF SUNDRY WELL OPERATIONS 1.Operations Abandon Li Repair Well Li Plug Perforations U Perforate U • Other U Performed: Alter Casing ❑ Pull Tubing❑ Stimulate-Frac ❑ Waiver ❑ Time Extension❑ Change Approved Program ❑ Operat.Shutdown❑ Stimulate-Other ❑ Re-enter Suspended Weld] 2.Operator 4.Well Class Before Work: 5.Permit to Drill Number: ' BP Exploration(Alaska),Inc Name: Development0 ' Exploratory ❑ 212-002-0 3.Address: P.O.Box 196612 Stratigraphic Service ❑ 6.API Number: Anchorage,AK 99519-6612 50-029-21647-01-00 • 7.Property Designation(Lease Number): 8.Well Name and Number: ADL0028280 PBU F-31A • 9.Logs(List logs and submit electronic and printed data per 20AAC25.071): 10.Field/Pool(s): To Be Submitted PRUDHOE BAY,PRUDHOE OIL • 11.Present Well Condition Summary: Total Depth measured 12020 feet Plugs measured 11120 feet true vertical 9052.77 feet Junk measured None feet Effective Depth measured 11120 feet Packer measured See Attachment feet true vertical 9049.52 feet true vertical See Attachment feet Casing Length Size MD TVD Burst Collapse Structural None None None None None None Conductor 81 20"Conductor 29-110 29-110 0 0 Surface 2638 13-3/8"72#L-80 28-2666 28-2663.96 4930 2670 Intermediate None None None None None None Production See Attachment See Attachment See Attachment See Attachment See Attachment See Attachment Liner See Attachment See Attachment See Attachment See Attachment See Attachment See Attachment Perforation depth Measured depth 10790-10820 feet 10950-10980 feet 11150-11180 feet 11210-11240 feet 11250-11280 feet 11460-11490 feet 11490-11520 feet 11736-11816 feet 11866-11976 feet True Vertical depth 9041.67-9042.4 feet 9049.03-9049.28 feet 9048.56-9047.04 feet 9047.36-9049.62 feet 9050.62-9054.19 feet 9057.73-9055.96 feet 9055.96-9055.4 feet 9054.25-9052.73 feet 9050.3-9050.82 feet Tubing(size,grade,measured and true vertical depth) 4-1/2"12.6#L-80 26-8534 26-8263.79 Packers and SSSV(type,measured and true vertical depth) See Attachment See Attachment See Attachment Packer None None None SSSV 12.Stimulation or cement squeeze summary: Intervals treated(measured): Treatment descriptions including volumes used and final pressure: 13. Representative Daily Average Production or Injection Data Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure Prior to well operation: 527 37690 29 0 1074 Subsequent to operation: 686 15608 148 0 1041 14.Attachments: 15.Well Class after work: Copies of Logs and Surveys Run Explorator,❑ Development 0 ' Service❑ Stratigraphic ❑ Daily Report of Well Operations X 16.Well Status after work: Oil Q . Gas Li WDSPLU GSTOR ❑ WINJ ❑ WAG ❑ GINJ ❑ SUSP ❑ SPLUG0 17.I hereby certify that the foregoing is true and correct to the best of my knowledge. Sundry Number or N/A if C.O.Exempt: N/A Contact Nita Summerhays Email Nita.Summerhays(47BP.com Printed Name Nita Summerhays i Title Petrotechnical Data Technician • _ , ��I Phone 564-4035 Date 6/25/2013 //// / /0%''''/''' •,��, VLF `3 ABC MS JUN 2 6 2074\ Form 10-404 Revised 10/2012 Submit Original Onlr I I = 4"CNV C F-3 1 A 'NELLHEAD= Mc EV OY SAr_.Y NOTES:WELL ANGLE>700 @ 9469' ACTUATOR= AXELSON INMAL KB.GE 66.29" BF.ELEV= 37.39' I I KOP= 5200' j 2086' H4-1/2"FES FIXO SSSV NP,D=3.813" Max Angle= 103°@ 9609'; CONDUCTOR -1 ? Q Datum ND= 9185' GAS LFT MANDRELS Datum TVD= 8800'SS ST MD TVD DEV TYPE VLV LATCH PORT DATE 6 3208 3206 0 OTIS DOME RM 16 05/22/12 13-318'CSG,72#,L-80 BUTT,D=12.347" —I 2666' I , 5 5281 5276 14 OTIS SO RM 20 05/22/12 X 7 4 6596 6488 24 OTIS DM' RA 0 09/17/86 9-5/8"CSG,47#,L-80 NSCC XO TO L-80 BUTT H 4289' /X 3 7484 7304 23 OTIS OMY RA 0 09/17/86 2 8023 7798 24 OTIS DM' RA 0 09/17/86 9-5/8"CSG,47#,L-80 BUTT XO TO S-95 BUTT —I 4328' 1 8170 7933 24 OTIS DIN RA 0 09/17/86 5683'-5718' —4-1/2"BKR TBG PATCH,ID=2.45" (OAL 40.92') lig. C- 8358' H4-112"OTIS XA SLD SLV,D=3.813" Minimum ID =2.313"( 8472' I I 4-1/2" X 2-7/8" NIP REDUCER l 8415' -{TtwPBRSEAL ASSY Ip 4 8431' H9-5/8"X 4-1/2"TNV I-UBP PKR,ID=4.750" 1 8472' H4-1/2"OTIS X NP,ID=3.813" 8472' H4-112"X 2-7/8"NIP ROCR,D=2.313"(4/15/12) TOP OF 7"LNR —I 8491' - 8485' --1 3.70"BTT GEN II DEPLOY SLV,D=3.00" — 8504' —4-1/2"OTIS XN NP,MLL ED TO 3.80" I II (12/13/11)BEHND CT LNR 3-1/2"LNR,9 3#,L-80 STL, 0087 bpf,D=2-992'-J 8527' \ I 8506' —{3-112"OTIS X NP,D=2.812" 4-1/2"TBG, 12.6#,L-80, .0152 bpf,D=3.958" — 8533' \\ 8527' —13-1/2"X 3-1/4"XO,D=2.786" 9-5/8"CSG,47#,S-95 BUTT,ID=8.681" H 8752' / ‘ 8534' H4-112"WLEG,13=3.958" BEHIND 7"WHPSTOCK(02/05/12)w/RA TAG @ 8987' H 8978'ELMV 8532' —{E3 MD TT LOGGED 09/22/86 CT LNR 7"LNR,26#,L-80 U4S,.0382 bpf,D=6.276" —I -8983' .,,... -- + * * 8965' —I TOP OF CEMENT I3-1/4"LNR,6.60#,L-80 TCII,.0079 bpf, ID-2.786 ]H 9704' 4."!.,', -4-',.' ♦.'*. 'r PERFORATION SUMMARY .4' MLLOUT WT4)OW(F-31A) 8983'-8991' REF LOG:81-1 MVVD GR ON 03/22/12 ANGLE AT TOP PERF:90'@ 10790' Note:Refer to Roduction DB for historical perf data 9704' H3-1/4"X 2-7/8'XO,D=2.377* SCE SPF INTERVAL Opn/Sqz SHOT SOZ ' - 2" 6 10790- 10820 0 05/30/12 2" 6 10950- 10980 0 05/30112 I11120' H2-7/8"VVFD CIBP(05/30/13) 2" 6 11150-11180 C 11/23/12 " 2' 6 11210- 11240 C 11/23/12 2' 6 11250- 11280 C 11/22/12 2" 6 11460- 11520 C 11/22/12 2' 6 11736- 11816 C 03/29/12 2" 6 11866-11976 C 03/29/12 PBTD — 11977' 2-7/8"LNR 6.4#,L-80 STL,.0058 bpf,ID=2.441 — 12015' DATE REV BY COMMENTS DATE REV BY COMVENTS PRUDHOE BAY UNIT 09117/86 N18E IMTIAL COMPLETION 06/10/13 JRP/JMO ADPERFS/SETCBP(05/30/13) WELL. F-31A 03/31/12 NORDIC 1 CTD SIDETRACK(F-31A) PERNET Pb: 2120020 04/22/12 SET/ PJC NP RDCR/XX PLUG(4/15/12) AR t'b: 50-029-21647-01 05/22/12 JTC/JMD 4-1/2"BKR TBG PATCH(05/21/12) SEC 2,T11N,R13E 2353'FM_&2048'FWL 05/30/12 SET/JMD GLV C/O(05/22/12) 11/26/12 JJUJMD ADPERFS(11/22-23/12) BP Exploration(Alaska) a (0 o o 0 0Lo cow � o U L L() CO CO N a a CO N- O 00 N CO CA O V CO Ln d CO O O I� LO N U) N CO M Ln Ln tC) 6) N O O O N M O O CO CO N CO CO CA V CO N M I H co N LO CO M N- CO 0) CO N N M in N N CO N N N O co co co 00 O) L() CD O I� Ln CO N CO V N co N N ll) CO Ln o c CO N- CO LO = CO CO LO 'Cr CO N CO V COC ° 4-1 00 < LO 0 CO CO CA CO 'Cr CO N CO CO N N V • f- CO CV M N N 0 CO CO 0) LO C � J ~ Q o Oooo2, CT) co cb ocococo00a) ° � N 73 M v- L N (13 O O CO M O co co N Ch N N O 6) co co N M - - O N CO O C CO ". CO CO V CO in G) N V' N CO J Z Z p O O w1— I - w U ❑ CC Ct CC U ❑ ❑ u z w w w H O O Ct m O Z_ Z_ Z_ < c[ D D Packers and SSV's Attachment ADL0028280 SW Name Type MD TVD Depscription F-31A PACKER 5683 5590.4 4-1/2" Baker KB Top Packer F-31A PACKER 5718 5622.43 4-1/2" Baker KB Top Packer F-31A PACKER 8431 8104.11 4-1/2" TIW HBBP Packer Daily Report of Well Operations ADL0028280 FLUIDS PUMPED BBLS 266 60/40 METH 150 1% SLICK KCL W/SAFELUBE 416 TOTAL Daily Report of Well Operations ADL0028280 CTU #9 1.75" Coil (Coil Volume= . bls) Tie in Log: SLB MCNL dated 21-Nov-2012 Job Objective: PPROF w/GHOST, CIBP/Contingent add perf Rih w/CTC, MHA, Stinger, Stinger, 2.25" JSN to 10254' ctm. Coil started going into lockup. Shut well in. Rih to TD at 11940' ctm. Puh 50'. Flag pipe at 11889.3' E 11926' M (White w/ Brown Spots). Pop well. Currently pulling out of hole at report time 5/28/2013 «Job cont'd on 05-29-13 WSR» CTU#9 1.75" Coil (Coil Volume= 33.7 bbls) Tie in log: SLB MCNL dated 21-Nov-2012 <<Cont'd from 05-28-13>> Job Objective: PPROF w/GHOST, CIBP/Contingent add perf Lay down BHA#1 Rih w/BHA#2: WFR 1.9" x .30' CTC, 1.688" x 1.76' MHA(9/16" Ball), 1.67" x .46' Ported x-over, 1.75" x 1.33' knuckle swivel, 1.69" x 8.26' PBMS, 1.69" x 4.74' PGMC, 1.69" x 7.14' GHOST, 1.69" x 2.52' PILS, 1.69" x 5.14' Total Length= 31.65' Have pad op pinch choke in to run through tree. Open choke back up. RIH to 10382', SI well to RIH to flag. Log 40, 60, 80 fpm f/ 11916' to 11000' shutting in between each pass. Perform stop counts at 11916, 11840, 11628', 11370', 11000'. Flag#1 11628.2'E 11658' M (White w/ Red Spots) Flag#2 11370.3' E 11400' M (White w/ Black Stripes) Flag#3 11000'E 11028' M (White w/yellow stripe) Pooh. Download Data. Currently putting log together for pad engineer at report time. 5/29/2013 «Cont'd on 05-30-13 WSR>> CTU#9 1.75" Coil (Coil Volume= 33.7 bbls) Tie in log: SLB MCNL dated 21-Nov-2012 Job objective: PPROF w/Ghost, Set CIBP, Contingent Add Perf Download Data, Good Data. Upload to Interact for Pad Engineer(Lea Duong) to review. Decision made to isolate all perfs. Set CIBP/Add 60' perfs. 30.5' correction to Flag (White w/Yellow stripe) Corrected EOP at flag is 10998.94'. Load well with 10 bbls 60/40 Spear, 150 bbls 1% Slick KCL, 38 bbls of 60/40 for Freeze Protect. Rih w/WFR .90"x .30' CTC, 1.688" x 1.76 MHA (9/16" Ball), 1.688" x .5" x-over, 1.688" x .47' Ball lock diverter sub (1/2" Ball) , 1.688"x .44' x-over, 1.688" x 6.55' 1-11/16" HST, 2.22"x .33' Setting Adapter, 2.22" x 1.1' Weatherford CIBP Total length= 11.45' EOP to Mid element= 10.8', RIH to flag, Correct to 11,009.74' mid element. RIH and set CIBP at 11,120' mid element. POOH. LD CIBP setting assembly. MU 30' perf gun assembly (Max OD = 2.13", OAL = 38.8'). RIH and tag CIBP. Correct depth to 11118.85' btm shot. PUH, drop 1/2" ball, Perforate from 10950' - 10980'w/2.0" 6 SPF 60 deg phz 2006 PJ HMX. POOH RIH W/ run #2 and Perforate from 10790' - 10820'w/2.0"6 SPF 60 deg phz 2006 PJ HMX. POOH 5/30/2013 <<Job in Progress» CTU#9 1.75" Coil (Coil Volume= 33.7 bbls) Tie in log: SLB MCNL dated 21-Nov-2012 Job objective: PPROF w/Ghost, Set CIBP, Contingent Add Perf Freeze protect well w/ 38 bbls of 60/40 Methanol At surface L/D guns RDMO 5/31/2013 ***Job Complete*** n O - ' s Ln rn rJ. d 13 O O r C d o W o o N �o O o� O o z "" m d z d 3 co D• n as a m s CM n po W A O i7 A 0 000 i'70 w . a -W+ 7 N !D a (D O N c 0 4:. W W W D C71 W m':I J�'� D !�D 'V O .Nr -• COCW vs • J vi CD n 0 00 ro o W m o y N C) U+ O C) to r .r, NMI MN a -i o -1 C co X c_ N D o MillftNM I Cl A N X O A L. 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M VI C N N N W N N N W N N N N N N N t.„3 N N N r,..: W Z OW 6 co --i ,._<,.. •-) Ci) t V c$ (D N r `r C +-r �. 0 ro O Z 0 A N4''70 'u O O �S O 0 0 0 0 0 0 C) 0 0 0 0 0 C) 0 0 0 0 0 0 0 C) N-,j ) O 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1. 21 y ,J rzit3 RECE /ED JAN 072013 AOGCC HUGHES BAKER __0 r, 2 HUGHES www bakerhughes.com PRINT DISTRIBUTION LIST COMPANY BP EXPLORATION(ALASKA), INC COUNTY NORTH SLOPE BOROUGH WELL NAME F-31APB1 STATE ALASKA FIELD PRUDHOE BAY UNIT DAI h 1/4/2013 THIS DISTRIBUTION LIST AUTHORIZED BY: Alfredo Martinez i ,- •- �J SO#4468639 (3 CopiesLog Log Data CD Client / Partners Copies Data CD Client / Partners Company BP EXPLORATION (ALASKA), INC Company Person PETROTECHNICAL DATA CENTER Person 2 Address LR2-1 Address 900 E BENSON BLVD ANCHORAGE,AK 99508 Company EXXON MOBIL PRODUCT iONCO I (Company 1 Person FILE ROOM Person Address 800 BELL STREET Address EMB GSC 3082 A HOUSTON,TX 77002 Company STATE OF ALASKA-AOGCC Company 1 1 Person CHRISTINE MAHNKEN Person Address 333 W. 7TH AVE. Address SUITE 100 ANCHORAGE,AK 99501 Company DNR-DIVISION OF OIL&GAS Company Person CORAZON MANAOIS Person 1 Address 550 WEST 7TH AVE. Address SUITE 800 ANCHORAGE,AK 99501 Company ConocoPhillips Alaska Inc. Company Person Ricky Elganicio Person 1 Address PO Box 10036 Address Anchorage,AK 99510 Company Company Person Person Address Address Page 1 of I 002 222-7G RECEIVED JAN 032013 e AOGCC BAKER HUGHES www.bakerhughes.com PRINT DISTRIBUTION LIST COMPANY BP EXPLORATION(ALASKA), INC COUNTY NORTH SLOPE BOROUGH WELL NAME F-31A STATE ALASKA FILLU PRUDHOE BAY UNIT UAIE 1/2/2013 THIS DISTRIBUTION LIST AUTHORIZED BY: Alfredo Martinez SO#4468639 CopiesLog Log Data CD Client / Partners Copies Data CD Client / Partners Company BP EXPLORATION(ALASKA), INC Company Person PETROTECHNICAL DATA CENTER Person 2 Address LR2-1 Address 900 E BENSON BLVD ANCHORAGE,AK 99508 Company EXxON MOBIL PRODUCTION CO Company 1 1 Person FILE ROOM Person Address 800 BELL STREET Address EMB GSC 3082 A HOUSTON,TX 77002 Company STATE OF ALASKA-AOGCC Company 1 1 Person CHRISTINE MAHNKEN Person Address 333 W. 7TH AVE. Address SUITE 100 ANCHORAGE,AK 99501 Company DNR-DIVISION OF OIL&GAS Company Person CORAZON MANAOIS Person 1 Address 550 WEST 7TH AVE. Address SUITE 800 ANCHORAGE,AK 99501 Company ConocoPhillips Alaska Inc. Company Person Ricky Elganicio Person 1 Address PO Box 10036 Address Anchorage,AK 99510 Company Company Person Person Address Address Page 1 of 1 STATE OF ALASKA AL .<A OIL AND GAS CONSERVATION COMP. SON RECEIVED • • REPORT OF SUNDRY WELL OPERATIONS DEC 21 2012 1.Operations Abandon Lf Repair Well U Plug Perforations Li Perforate U Ot r - ^ Performed: Alter Casing ❑ Pull Tubing❑ Stimulate-Frac ❑ Waiver ❑ Time Exte I Change Approved Program ❑ Operat.Shutdown❑ Stimulate-Other ❑ Re-enter Suspended Well D 2.Operator 4.Well Class Before Work: 5.Permit to Drill Number: p BP Exploration(Alaska),Inc Name: Development ❑✓ Exploratory ❑ , 212-002-0 3.Address: P.O.Box 196612 Stratigraphic❑ Service ❑ 6.API Number: Anchorage,AK 99519-6612 50-029-21647-01-00 7.Property Designation(Lease Number): 8.Well Name and Number: ADL0028280 a PBU F-31A 9.Logs(List logs and submit electronic and printed data per 20AAC25.071): 10.Field/Pool(s): To Be Submitted PRUDHOE BAY,PRUDHOE OIL 11.Present Well Condition Summary: Total Depth measured 12020 feet Plugs measured None feet true vertical 9052.77 feet Junk measured None feet Effective Depth measured 11977 feet Packer measured See Attachment feet true vertical 9050.85 feet true vertical See Attachment feet Casing Length Size MD TVD Burst Collapse Structural None None None None None None Conductor 81 20"Conductor 29-110 29-110 0 0 Surface 2638 13-3/8"72#L-80 28-2666 28-2663.96 4930 2670 Intermediate None None None None None None Production See Attachment See Attachment See Attachment See Attachment See Attachment See Attachment Liner See Attachment See Attachment See Attachment See Attachment See Attachment See Attachment Perforation depth Measured depth See Attachment feet True Vertical depth See Attachment feet Tubing(size,grade,measured and true vertical depth) 4-1/2"12.6#L-80 26-8534 26-8263.79 Packers and SSSV(type,measured and true vertical depth) See Attachment See Attachment See Attachment Packer None None None SSSV 12.Stimulation or cement squeeze summary: Intervals treated(measured): Treatment descriptions including volumes used and final pressure: 13. Representative Daily Average Production or Injection Data Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure Prior to well operation: 52 4257 4 1301 Subsequent to operation: 1082 23087 60 793 14.Attachments: 15.Well Class after work: Copies of Logs and Surveys Run Exploratory❑ Development❑✓ - Service ❑ Stratigraphic ❑ Daily Report of Well Operations X 16.Well Status after work: Oil i Q Gas ❑ WDSPL❑ GSTOR ❑ WINJ ❑ WAG ❑ GINJ 0 SUSP❑ SPLUG❑ 17.I hereby certify that the foregoing is true and correct to the best of my knowledge. Sundry Number or N/A if C.O.Exempt: N/A Contact Nita Summerhays Prepared by Nita Summerhays 564-4035 E-mail Nita.Summerhaysc bp.com Printed Name Nita Summerhays Title Petrotechnical Data Technician lr/ ,/�iPwr- % . I. ,% .Now Phone 564-4035 Date 12/20/2012 R8CMS DEC 21 2012 (-(771 / 12 •Z`.r L Form 10-404 Revised 11/2011 �/ Submit Original Only TREE= 4'CNV WELLHEAD LHEAD= McEVOY F-31 A SAF__, NOTES:WELL ANGLE>70"@ 9469' ACTUATOR= AXELiON . KB.RB/= 66.29" BF.ELEV= 37.39' I I KOP= 5200' 2086' H4-1/2"/2"IES HXO SSSV NP,D=3.813" -fax Angle= -103'@ 9609' CONDUCTOR j ? 1 / Q Datum MD= 9185 GAS LET MANDRELS Datum TVD= 8800'SS ST MD TVD DEV TYPE VLV LATCH PORT DATE 6 3208 3206 0 OTIS DOW RM 16 05/22/12 13-3/8"CSG,72#,L-80 BUTT,D=12.347" —I 2666' J , 5 5281 5276 14 OTIS SC) RM 20 05/22/12 X 4 6596 6488 24 OTIS DMY RA 0 09/17/86 9-5/8'CSG,47#,L-80 NSCC XO TO L-80 BUTT — 4289' >G 3 7484 7304 23 OTIS DMY RA 0 09/17/86 2 8023 7798 24 OTIS DMY RA 0 09/17/86 9-5/8'CSG.47#,L-80 BUTT XO TO S-95 BUTT —I 4328' 1 8170 7933 24 OTIS DMY RA 0 09/17/86 col 5683'-5718' 4-1/2'BKR TBG PATCH,ID=2.45" X 1.174I(OAL 40.92') 8358' —14-1/2"OTIS XA SLD SLV,D=3.813" Minimum ID =2.377"@ 9704' I 3-1/4" X 2-7/8 LINER XO I 8415' HTIw FBR SEAL ASSY Z 4 8431' H9-5/8"X 4-1/2"TM/FBBP R4R,ID=4.750" 8472' H4-1/2"OTIS X NP,ID=3.813' 8472' H4-112"X 2-7/8"NP RDCR,13=2.313"(4/15/12) TOP OF 7"LNR —i 8491' I- - 8485' —13.70"BTT GEN II DEPLOY SLV,D=3.00" 8504' 4-1/2"OTIS XN NP,MLL®TO 3.80" I I II (12/13/11)BEHNDCT LNR 8506' H 3-1/2"OTIS x NP,D=2.812" 3-1/7 LNR,9.3#,L-80 STL, .0087 bpf,13=2.992'--1 8527' 8527' H3-1/2"X 3-1/4"XO,E)=2.786" 4-1/7 TBG, 12.6#,L-80, .0152 bpf,13=3.958" H 8533' 7 8534' —14-1/z WLEG,13=3.958" BEHIND 9-5/8"CSG,47#,S-95 BUTT,ID=8.681" —{ 8752' CT LNR 8532' HELM)TT LOGGED 09/22/86 7' M-I STOCK(02/05/12)w/RA TAG tib 898T — 8978'ELM -.v. --J 8965' I TOP OF CEMENT 7"LNR,26#,L-80 U4S,.0382 bpf,D=6.276' —I —8983' 3-1/4'LNR,6.60#,L-80 101,.0079 bpf,ID=2.786' —{ 9704' ? i MLLOUT WINDOW(F-31A) 8983'-8991' •PERFORATION SUMMARY REF LOG:BI-1 MWD GR ON 03/22/12 9704' H3-1/4"X 2-7/8"XO,D=2.377" ANGLE AT TOP PERF:93'@ 11150' Note:Refer to Production DB for historical perf data ,SIZE SPF INTERVAL _Opn/Sqz DATE 2" 6 ,,11150- 11180 0 11/23/12 2" 6 11210-11240 0 11/23/12 I 2' 6 11250-11280 0 11/22/12 2" 6 11460-11520 0 11/22/12 �.__ -�� 2" 6 11736-11816 O -03/29/12 2" 6 11866-11976 0 03/29/12 I R3TD H 11977' h•. 2-7/8"LNR,6.4#,L-80 STL,.0058 bpf,ID=2.441 — 12015' DATE REV BY COM ENTS DATE REV BY COMENTS P RUDHOE BAY UNIT 09/17/86 N18E INITIAL COMPLETION 05/22/12 JTCIJM) 4-1/2"BKRTBG PATCH(05/21/1; WELL: F-31A 03/31/12 NORDIC 1 CTD SIDETRACK(F-31A) 05/30/12 SET/JM.) GLV C/O(05/22/12) FERMT No:'2120020 04/02/12 PJC DRLG DRAFT CORRECTIONS 05/30/12 MSS/JM) PULLED XX PLUG(05/24/12) AR No: 50-029-21647-01 04/09/12 MF/SV LINER()CORRECTION 06/26/12 AK/PJC FINAL DRLG CORRECTIONS SEC 2,T11N,R13E 2353'FAL&2048'FWL 04/22/12 SET/ PJC NP RDCR/XX RUG(4/15/12) 11/26/12 JJUJM) ADFERFS(11/22-23/12) 04/28/12 PJC 3-1/4 TBG CORRECTION BP Exploration(Alaska) Perforation Attachment ADL0028280 Perf Opera Meas Meas SW Operation tion Depth Depth TVD Depth ND Depth Name Date Code Top Base Top Base F-31A 4/15/12 BPS 8472 11976 8207.59 9050.82 c5/24/1 PP 8472 11976 8141.29 84.5 11/ /12 AP 111 11180 982.'26 898 .74 11/23/12 APF 11210 11240 8981.06 8983.32 11/22/12 APF 11250 11280 8984.32 8987.89 11/22/12 APF 11460 11490 8991.43 8989.66 11/21/12 APF 11490 11520 8989.668989.1 /29/12�P fik- t816 . F-31A 3/29/12 PER 11866 11976 8984 8984.52 AB ABANDONED MIR REMOVED APF ADD PERF MIS MECHANICAL ISOLATED BPP PULLED MLK MECHANICAL LEAK BRIDGE OPEN BPS PLUG SET OH HOLE FCO FILL CLEAN OUT STC STRADDLE PACK,CLOSED FIL FILL STO STRADDLE PACK, OPEN SQF SQUEEZE FAILED SPS SAND PLUG SET SQZ SQUEEZE SL SLOTTED LINER PER PERF SPR SAND PLUG REMOVED RPF REPERF Packers and SSV's Attachment ADL0028280 SW Name Type MD ND Depscription F-31A PACKER 5683 5590.4 4-1/2" Baker KB Top Packer F-31A PACKER 5718 5622.43 4-1/2" Baker KB Top Packer F-31A PACKER 8431 8104.11 4-1/2"TIW HBBP Packer • m en CD CD LID C) R cn CCC) W ccoo o Or- o r_ v- TroN o C) r- t)C) o� o o M co 0, co CD m CO N co CA Tr co to Tr O O 0) 0- CC) N V- C() N Cr) CV) ul CD CV 0 0 N (00000 CCON CO CO 0) CDTr00CV CO CO N O CO Cl) C's CO C7) CO O O O C7 C` CCj CO CO N N co CC) N N N N ONO CON00) Co01 o Tr UD C- Cl7 i- 00 N CD C) T N co O N CV N. co M to O M t` co CC) CO CO n_ Cn d' CO N 00 CNI Tr OD CO 0) 0000)) OOopN- NCOco 4 N Tr Tr N- co N C) (V N C O OD CO CA If) � J o 0 0 0 0 00000000CD C9 C) 0D J J J (n •N 4t 4t CD CMTr � NCD 03 O0•(0CDCD � � ~ 4 V N U fV (V DO 00 coo -0`0 01 co N c7 N N O 0) t ++ V- V- Tr CO CO T- N M V- O N M O J O N Tr Tr N CO 0 ZZ O 00 W m _ D D OOQ ASOIXack OOLLZ V Z W W W F 0 0 CLm O Z Z Z < ceO O U . = 7iaaacnH Daily Report of Well Operations ADL0028280 ACTIVITI��, ,.. r CT r 9 w/1.75"ct:Job objective. PPROF/MCNL/Set CIBP I Perforate. MIRU CT <<< o. in 11/19/2012 progress>>> CTU#9 w/1.75"ct :Job objective. PPROF/MCNL/Set CIBP/Perforate. MIRU CTU <<< Continue WSR from 11/19/12 >>> RIH w/2.25"JSN for a drift. Tag TD at 11953'. Paint flag 30' off bottom at 11923.2'. POOH and change tools to logging tools. RIH w/PPROF BHA.At surface 11/20/2012 confirmed good DATA CTU#9 w/1./5"ct :Job objective. PPROF/MCNL/Set CIBP/Perforate. MIRU Cl U <<< Continue WSR from 11/20/12 >>> RIH w/MCNL logging tools logged up passes @ 60 fpm from flag at 11957'to 8300'. Freeze protect well with 38bbls of 60/40 and flowline. RIH w/30' Gun#1 BHA. Guns are 2" PowerJet 2006HMX, 6.5gm, 6spf,60 deg phasing. Shoot guns from 11490'- 11520'. POOH. MU 30' Gun#2 BHA and RIH. 11/21/2012 <<<Continued on 11/22/12 WSR>>> CTU#9 w/ 1.75"CT. Job Objective: PPROF/MCNL/Adperf«<Continued from 11/21/12 WSR>>> RIH w/30' Gun#2 BHA. Guns are 2" PowerJet 2006HMX, 6.5gm, 6spf, 60 deg phasing. Shots fired from 11460'-11490'ELM' POOH and confirmed shots fired. RIH w/30' Gun#3 BHA. Guns are 2" PowerJet 2006HMX, 6.5gm, 6spf, 60 deg phasing. Perforate top shot 11250-11280'ELM POOH and confirm guns fired. Perform pipe maintenance. Rehead and RIH w/SLB GR/CCL in carrier, 11/22/2012 2.20" nozzle. <<<Job in Progress>>> CTU#9 w/1.75"CT. Job Objective: PPROF/MCNL/Adperf<<<Continued from 11/22/12 WSR>>> Log GR/CCL from TD to 8300'CTM at 60 fpm. Paint flag at 11,179.8'CTM. POOH. Good data. RIH w/gun run#4: 30'x 2" PJ HMX. Correct to flag to top shot. Perforate 11,210-11,240'CTM. v POOH. Confirm guns fired. RIH w/gun run#5: 30'x 2" PJ HMX. Correct to flag to top shot. Perforate 11,150-11,180'CTM. POOH. Confirm guns fired. Left will freeze protected. RDMO. 11/23/2012 «<Complete>>> FLUIDS PUMPED BBLS 375 60/40 METH 437 1% KCL 812 TOTAL II I I 1 I 111111 U: O ...1) 0000000000 p E o000000000 ,i r' kg:-11, i ,,. O- t; r.�. U F. o } ' Z e- •1 O ,ate -, . N U -.L f a s'N.- ; at; „� U M • O 1 z F O cn v 4f N U :% �6� iCU _0 m Q) tp 4, Z . . . . . e- e- e- e- c in E 114 0 al �r^� • C7 rn tvi V a) ,- V1 03 T co �I = N N N N N N N N N N N �;� -� 7 UJ .-+ • ,I i s e- e- . . e- ea , 'l N N Gp r+ .a .a E. w Z > > > > A; GJ to it r4 O �� > > > O > O > O O a •� O Mt ra O O O O O O in -,3,-cd «f t- .. Z Z Z O Z 2 Z Z Z Z u . I. J O e- CU as co f. N N (NiM ID X E. Q •"' RjCc7 r 4 Z F 1- U) I O !r , ` O 1 —11 ce p, p Ce n. a. > W LL > >- Y >- > kFk" O p LL O O LL 00rew receO f;. W W aa, W W ( d W W W o t. . N mt j; u y ?f-- ID E.: W Z Q• X X X X X X X X X X O i— y Er: G7 E,01 43 � t�'' 'z •i-. LO i7 N O N ' K) N e- O - M 0 0 CO C, 0 v 0 w 1:3 o o 0 0 0 0 0 o o a. as O ,.i O ' c c LL m o p n ° _ p o �.:. O p U' d X X Q p X o , ,- Q p a, in in CO e- in c0 Q mr,, mo0000000m C 0o —• OD `^ m >. ra m rn .3 t59 N 01 0 N O Y v — Y rn t.. Q a `v QD Q v w Q e- in Q Q rn cc CO Q • ^� o ' ✓ a E a u < M - O � N N N M N M N - v m •2 c E w CO s ? ro o 47- r" , z LL o M > o w o o C7 o a, p w 0 p N a., d L a -0 L' Ln N n. O c _ r‘j v • o V�7 N .c m ',. x a m c, Q L��2� 7.C,O-Z 17 McMains, Stephen E (DOA) From: Lastufka, Joseph N (Northern Solutions) [Joseph.Lastufka@bp.com] Sent: Tuesday, June 19, 2012 10:39 AM To: McMains, Stephen E (DOA) Subject: PBU F-31A/ PTD #212-002 Hi Steve, Please reference the following well: Well Name: PBU F-31A Permit#: 212-002 API #: 50-029-21647-01-00 Date of Test: 5/29/2012 Type of Test: IPT (Initial Production Test) Choke Size: 96 Choke Unit: Deg Production Method: Flowing Duration (Hours Tested): 5 Top Reference (Top Perf MD): 11736' Bottom Reference (Bottom Perf MD): 11976' Tubing Flowing (Pressure): 240 Casing Pressure: 680 Total Test (Rate f/ 0, W, G): 406 / 33 /2750 24-Hour Rate (0, W, G): 1950/ 156 / 13200 Gravity (Oil, API): 25.3 GOR (Gas-Oil Ratio): 6777 This well began Production on Method of Operations on this date: 5/28/2012 RBDMS JUN 1 9 2012 1 RECEIVED STATE OF ALASKA MAY 2 5 2012 ALASKA OIL AND GAS CONSERVATION COMMISSION REPORT OF SUNDRY WELL OPERATIONS AOGCC 1.Operations Abandon U Repair Well L1 Plug Perforations U Perforate U Other U Patch 5683'-5718' Performed: Alter Casing ❑ Pull Tubing❑ Stimulate-Frac ❑ Waiver ❑ Time Extension❑ Change Approved Program 0 Operat.Shutdown❑ Stimulate-Other 0 Re-enter Suspended Well❑ 2.Operator 4.Well Class Before Work: 5.Permit to Drill Number: Name: BP Exploration (Alaska) , Inc. Development loratory 0 , 212-002 3.Address: P.O. Box 196612 Stratigraphic Service ❑ 6.API Number: Anchorage, Alaska 99519-6612 50- 029-21647-01-00 7.Property Designation(Lease Number): 8.Well Name and Number: - ADL-028280 PBU F-31A 9.Logs(List logs and submit electronic and printed data per 20AAC25.071): 10.Field/Pool(s): Prudhoe Bay Field / Prudhoe Oil Pool 11.Present Well Condition Summary: Total Depth measured 12020 feet Plugs measured 8472 feet true vertical 9053 feet Junk measured NONE feet Effective Depth measured 11977 feet Packer measured 8430 feet true vertical 9051 feet true vertical 8170 feet Casing Length Size MD TVD Burst Collapse Conductor 81 20" 29'-110' 29'-110' Surface 2638' 13-3/8" 72# L-80 28'-2666' 28'-2364' 4930 2670 Production 4301' 9-5/8" 47# L-80 27'-4328' 27'-4326' 6870 4760 Production 4424' 9-5/8" 47# S-95 4328'-8752' 4326'-8462' 8150 5080 Liner 492' 7" 26# L-80 8491'-8983' 8225'-8672' 7240 5410 Liner 42' 3-1/2" 9.3# L-80 8485'-8527' 8219'-8257' 10160 10530 Liner 1177' 3-1/4" 6.60# L-80 8527'-9704' 8257'-9061' Liner 2311' 2-7/8" 6.4# L-80 9704'-12015' 9061'-9053' Perforation depth Measured depth SEE ATTACHED feet True Vertical depth feet Tubing(size,grade,measured and true vertical depth) 4-1/2" 12.6# L-80 26'-8533' 26'-8263' Packers and SSSV(type,measured and true vertical depth) 4-1/2" TIW HBBP PKR 8431' 8170' 12.Stimulation or cement squeeze summary: Intervals treated(measured): Treatment descriptions including volumes used and final pressure: 13. Representative Daily Average Production or Injection Data Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure Prior to well operation: Subsequent to operation: 14.Attachments: 15.Well Class after work: Copies of Logs and Surveys Run Exploratory❑ Development© - Service ❑ Stratigraphic ❑ Daily Report of Well Operations X 16.Well Status after work: Oil -1=1 Gas ❑ WDSPL❑ GSTOR D WINJ ❑ WAG ❑ GINJ ❑ SUSP❑ SPLUG❑ 17.I hereby certify that the foregoing is true and correct to the best of my knowledge. Sundry Number or N/A if C.O.Exempt: Contact Nita Summerhays Printed Name Nita Su -rhays Title Petrotechnical Data Technician SignaturAfralfr - - . z % Phone 564-4035 Date 05/24/2012 r RSDMS MAY 2 9 1011 12 6' 0 Form 10-404 Revised 11/2011 V1, 6/•.1 / 1-7 Submit Original Only .. TREE 4"CMV VVELLI-EAD= McEVOY _•) I A SAFE .NOTES:WELL ANGLE>70° @ 9469' ACTUATOR= AXELSON PJC DRAFT KB. ELEV= 66.29" BF.ELEV= 3739' 1 - KOP= 5200' 2086' -14-112" HES HXO SSSV NIP, ID=3.813" Max Ai-1W= 103° E'9609' CONDUCTOR -1 ? O Datum MD= 9185' GAS LIFT MANDRELS Datum TVD= 8800'SS ST MD TVD DEV TYPE VLV LATCH PORT DATE 6 3208 3206 0 OTIS DMY RM 0 08/18/11 13-3/8"CSG,72#,L-80 BUTT,ID=12.347" --1 2666' .1-41 5 5281 5276 14 OTIS DMY RM 0 08/18/11 X 4 6596 6488 24 OTIS DMY RA 0 09/17/86 9-5/8"CSG,47#,L-80 NSCC XO TO L-80 BUTT -1 4289' 1"X 3 7484 7304 23 OTIS DMY RA 0 09/17/86 ` 2 8023 7798 24 OTIS DMY RA 0 09/17/86 9-5/8"CSG,47#,L-80 BUTT XO TO S-95 BUTT --1 4328' / 1 8170 7933 24 OTIS DMY RA 0 09/17/86 lc 5683' -5718' -4-112"BKR TBG PATCH, ID=2.45" S. (OAL 40.92') 8358' --14-1/2"OTIS XA SLD SLV,ID=3.813" Minimum ID = 2.377"@ 9704' 3-1/4" X 2-7/8 LINER XO J 8415' HTWPBRSEAL ASSY X +� 8431' H9-5/8"X 4-1/2"TMV HBBP PKR,ID=4.750" pH 8472' -14-1/2"OTIS X NIP,ID=3.813" 2-7/8"XX PLUG(04/15/12) H 8472' 1-^"''------_ 8472' -14-1/2"X 2-7/8"NIP RDCR, ID=2.313"(4/15/12) TOP OF 7"LNR -1 8491' 1---_-.,,- 8485' -13.70"BTT GEN II DEPLOY SLV, ID=3.00" 8504' 4-1/2"OTIS XN NIP, MILLED TO 3.80" I -� (12/13/11)BEHIND CT LNR II 8506' -13-1/2"OTIS X NIP, ID=2.812" 3-1/2'LNR,9.3#, L-80 STL, .0087 bpf, ID=2.992'-1 8527' 8527' H3-112"X 3-114"XO, ID=2.786" 4-1/2'TBG, 12.6#, L-80, .0152 bpf, ID=3.958" -1 8533' / 8534' -14-1/2"WLEG, ID=3.958" BEHIND 9-5/8"CSG,47#,S-95 BUTT,ID=8.681" H 8752' 1 CT LNR 8532' H ELMD H LOGGED 09/22/86 7"WHIPSTOCK(02/05/12)w/RA TAG @ 8987' H 8978' ELM 8965' -jTOPOF CEMENT 7"LNR 26#, L-80 U4S,.0382 bpf, ID=6.276" -I -8983' MLLOUT WINDOW(F-31A) 8983'-8991' PERFORATION SUMMARY REF LOG: BHI MWD GR ON 03/22/12 ANGLE AT TOP PERF:90°@ 11736' Note: Refer to Production DB for historical perf data t 9704' -13-1/4"X 2-7/8"XO, ID=2.377" SIZE SPF INTERVAL Opn/Sqz DATE 2" 6 11736-11816 0 03/29/12 2" 6 11866-11976 0 03/29/12 3-1/4"LNR,6 60#, L-80 TCI, .0079 bpf, ID=2.85" -1 9704' I PBTD -1 11977' 2-7/8"LNR 6.4#, L-80 STL, .0058 bpf, ID=2.441 - 12015' 'f DATE REV BY COMMENTS DATE REV BY COMMENTS PRUDHOE BAY UNIT 09/17/86 N18E INITIAL COMPLETION 05/22/12 JTC/JMD 4-1/2"BKRTBG PATCH(05/21/11 WELL: F-31A 03131/12 NORDIC 1 CTD SIDETRACK(F-31A) PERMIT No:"2120020 04/02/12 PJC DRLG DRAFT CORRECTIONS API No: 50-029-21647-01 04/09/12 MF/SV LINER ID CORRECTION SEC 2,T11 N,R13E,2353'FNL&2048'FWL 04/22/12 SET/ PJC NIP RDCR/XX PLUG(4/15/12) 04/28/12 PJC 3-1/4 TBG CORRECTION BP Exploration(Alaska) d ti ONO CCI 0 0 roiai a a) 0 -a > I- 0.N M F- � 0 t c Oi S an 0 0 co Z W I— w> 0j us us O in o w W W W W 0 0 t `- `- 710007U. wW II' MMUJUJ -I -I 0 CLWaaww00 I—g o.reww) CCCl) CCn � � z — w co us 2 otioxo N = a p a t , M N I Q. W N Q0 IXN� wa. Jaa0aHi- a2 acGcoUCn Cn CncnCI) a) -a 0 o w 0 > C 0 0 2 co L cc 0. 0 0 0 0 w w aaa Mw ,, ooW NN a. V) = u) co J +°�' � � C7C70 JJJ IO M M W J J z U U U J a 0 W w ""' J < < < x w EEE0 aZ °- ,.9 ,.,(9C)C7co IXXZ y < 0Z °- ,.9 ,.,(9C)- JJC) 0C) W 0. m0Rcl -J -JWwwa 0 QQo0o0ww2220 d E ZMM u.Gggacn0Jtxu) 1cnu.. u- QQmmu- E2220 F-31A DESCRIPTION OF WORK COMPLETED NRWO OPERATIONS EVENT SUMMARY ACTIVITYDATE SUMMARY 5/17/2012 ***WELL SHUT-IN UPON ARRIVAL***(E-LINE SET PATCH) INITIAL T/I/O= 0/100/0 PSI INITIAL VALVE POSITION: SWAB/SSV/WING = CLOSED, MASTER/VALVES TO CASING = OPEN LEAK FOUND DURING PRESSURE TEST. LUBRICATOR WAS LAID DOWN IN ORDER TO FIX THE ISSUE. !WHILE RIGGING BACK UP, THE WEAKPOINT BROKE. JOB WAS CANCELLED 'AND FURTHER INVESTIGATION WILL BE DONE. NEVER ENTERED THE WELL. FINAL T/I/O= 0/100/0 PSI FINAL VALVE POSITIONS: SWAB/SSV/WING =CLOSED, MASTER/VALVES TO CASING = OPEN ***JOB TO BE COMPLETED ON A LATER DATE.WELL SHUT-IN UPON DEPARTURE*** 5/18/2012 ***WELL SHUT-IN ON ARRIVAL*** (SLB E-LINE-SET BAKER PATCH) INITIAL T/I/O = 0/0/0 PSI RIH W/ ELINE TOOLS & BAKER PATCH - OAL LENGTH OF ALL TOOLS = 51 POOH OF HOLE DUE TO BAD CCL & DIAGNOSED PROBLEM (BAD CONNECTION IN CABLE HEAD) CORRECTED ISSUE CURRENTLY PREPARING TO RUN IN HOLE W/ PATCH AGAIN ***JOB CONTINUED ON 19-MAY-2012 *** 5/19/2012***JOB CONTINUED FROM 18-MAY-2012*** (ELINE SET PATCH) SET 4-1/2" BAKER PATCH cr, 5683'- 5718' MD ELEMENT TO ELEMENT(TOP EOF PATCH @ 5682') (OAL OF PATCH =40.92'/MAX OD =3.70") WELL SHUT IN ON DEPARTURE. DSO NOTIFIED FINAL T/I/O = 10/50/50 PSI ***JOB COMPLETE*** FLUIDS PUMPED BBLS 2 DIESEL 2 TOTAL RECEIVED STATE OF ALASKA APR 3 0 2012 ALASKA OIL AND GAS CONSERVATION COMMISSION WELL COMPLETION OR RECOMPLETION REPORT AND LOADGCC 1 a. Well Status: ® Oil 0 Gas 0 SPLUG 0 Other 0 Abandoned 0 Suspended 1b. Well Class: 20AAC 25.105 20AAC 25.110 ® Development 0 Exploratory 0 GINJ 0 WINJ 0 WAG 0 WDSPL 0 Other No.of Completions One ❑ Service 0 Stratigraphic 2. Operator Name: 5.Date Comp.,Susp.,or Aband.: 12. Permit to Drill Number: BP Exploration(Alaska) Inc. 3/31/2012 212-002 3. Address: 6.Date Spudded: 13. API Number: P.O. Box 196612,Anchorage,Alaska 99519-6612 3/11/2012 50-029-21647-01-00 4a. Location of Well(Governmental Section): 7.Date T.D.Reached: 14. Well Name and Number: Surface: 3/22/2012 PBU F-31A 2353'FNL,2407'FWL, SEC.02,T11 N, R13E, UM 8. KB(ft above MSL): 66.3' 15.Field/Pool(s): Top of Productive Horizon: 2664'FNL, 846'FWL, SEC.02,T11 N, R13E, UM GL(ft above MSL): 35.97' Prudhoe Bay Field/Prudhoe Bay 1 Total Depth: a 9.Plug Back Depth(MD+TVD): Oil Pool 6' 1 14329'FNL,2629'F1NL, SEC.02,T11N, R13E, UM 11977' 9051' 4b. Location of Well(State Base Plane Coordinates,NAD 27): 10.Total Depth(MD+TVD): 16. Property Designation: Surface: x- 651958 y- 5974447 Zone- ASP4 12020' 9053' ADL 028280 TPI: x- 650404 y- 5974103 Zone- ASP4 11.SSSV Depth(MD+TVD): 17. Land Use Permit: Total Depth:x- 652243 y- 5972476 Zone- ASP4 None 18.Directional Survey: ® Yes 0 No 19.Water depth,if offshore: 20. Thickness of Permafrost(ND): (Submit electronic and printed information per 20 AAC 25.050) N/A ft MSL 2037'(Approx.) 21.Logs Obtained (List all logs here and submit electronic and printed information per 20 AAC 25.071): 22. Re-Drill/Lateral Top Window MD/TVD: DIL, BHCS, MWD/GR/RES, GR/CCL/MCNL 8983' 8672' 23. CASING,LINER AND CEMENTING RECORD SETTING DEPTH MD SETTING DEPTH ND HOLE AMOUNT CASING WT.PER FT. GRADE Top BOTTOM TOP BOTTOM SIZE CEMENTING RECORD PULLED 20" Conductor Surface 110' Surface 110' , 26" 8 cu vds Concrete 13-3/8" 72# L-80 Surface 2666' Surface 2664' 17-1/2" 3258 cu ft Arctic Set III.465 cu ft Arctic Set II 9-5/8" 47# L-80/S-95 Surface 8752' Surface 8462' 12-1/4" 573 cu ft Class'G' 7" 26# L-80 8492' 8983' 8226' 8672' 8-1/2" 326 cu ft Class'G' 3-112 x3-114°X2-pis' 9.3#/6.6#16 4# L-80 8485' 12015' 8219' 9053' 4-1/4" 178 sx Class'G' 24. Open to production or injection? IS Yes 0 No 25. TUBING RECORD If Yes,list each interval open (MD+TVD of Top&Bottom;Perforation Size and Number): SIZE DEPTH SET(MD) PACKER SET(MD/ND) 2"Gun Diameter,6 SPF 4-1/2", 12.6#, L-80 8534' 8430'/8170' MD ND MD ND 11736'-11816' 9054'-9053' 26. ACID,FRACTURE,CEMENT SQUEEZE,ETC. 11866'-11976' 9050'-9051' , - DEPTH INTERVAL(MD) AMOUNT AND KIND OF MATERIAL USED 2500' Freeze Protect w/40 Bbls Diesel 27. PRODUCTION TEST Date First Production: Method of Operation(Flowing,Gas Lift,etc.): Not on Production N/A Date of Test: Hours Tested: Production For OIL-BBL: GAS-MCF: WATER-BBL: CHOKE SIZE: GAS-OIL RATIO: Test Period Flow Tubing Casing Press: Calculated OIL-BBL: GAS-MCF: WATER-BBL: OIL GRAVITY-API(CORR): Press. 24-Hour Rate 28. CORE DATA Conventional Core(s)Acquired? 0 Yes IS No Sidewall Core(s)Acquired? 0 Yes ®No If Yes to either question,list formations and intervals cored(MD+TVD of top and bottom of each),and summarize lithology and presence of oil,gas or water (submit separate sheets with this form,if needed). Submit detailed descriptions,core chips,photographs and laboratory analytical results per 20 AAC 250.071. None RBDMS MAY 01� ern Form 10-407 Revised 12/2009 CONTINUED ON REVERSE „ , G �"'"' y, , (c.��.f Z C�'< S mit Original Only 29. GEOLOGIC MARKERS(List all formations and markers encountered): 30. FORMATION TESTS NAME MD ND Well Tested? 0 Yes ®No Permafrost Top If yes,list intervals and formations tested,briefly summarizing test Permafrost Base results. Attach separate sheets to this form,if needed,and submit detailed test information per 20 AAC 25.071. Sadlerochit 8920' 8615' None CGL/Zone 3 9042' 8727' Base of CGL/Zone 2C 9132' 8814' 23SB/Zone 2B 9207' 8887' 22TS 9261' 8938' 21 TS/Zone 2A 9302' 8975' Zone 1B 9383' 9041' HOT 9415' 9061' 14N 9753' 9050' Formation at Total Depth(Name): Zone 2A 11450' 9058' 31.List of Attachments: Summary of Daily Drilling Reports,Well Schematic Diagram,Surveys 32. I hereby certify that t e for oing true rrect to the best of my knowledge. Signed: Joe Lastufk ' Title: Drilling Technologist Date: 4f&/I2__. PBU F-31A 212-002 Prepared By Name/Number. Joe Lastufka, 564-4091 Well Number Permit No./Approval No. Drilling Engineer: Ron Phillips, 564-5913 INSTRUCTIONS General: This form is designed for submitting a complete and correct well completion report and log on all types of lands and leases in Alaska. Submit a well schematic diagram with each 10-407 well completion report and 10-404 well sundry report when the downhole well design is changed. Item 1 a: Classification of Service Wells: Gas Injection,Water Injection,Water-Alternating-Gas Injection,Salt Water Disposal,Water Supply for Injection, Observation,or Other. Multiple completion is defined as a well producing from more than one pool with production from each pool completely segregated. Each segregated pool is a completion. Item 4b: TPI(Top of Producing Interval). Item 8: The Kelly Bushing and Ground Level elevation in feet above mean sea level. Use same as reference for depth measurements given in other spaces on this form and in any attachments. Item 13: The API number reported to AOGCC must be 14 digits(ex: 50-029-20123-00-00). Item 20: Report true vertical thickness of permafrost in Box 20. Provide MD and ND for the top and base of permafrost in Box 28. Item 23: Attached supplemental records for this well should show the details of any multiple stage cementing and the location of the cementing tool. Item 24: If this well is completed for separate production from more than one interval(multiple completion),so state in item 1,and in item 23 show the producing intervals for only the interval reported in item 26. (Submit a separate form for each additional interval to be separately produced, showing the data pertinent to such interval). Item 27: Method of Operation: Flowing,Gas Lift,Rod Pump,Hydraulic Pump,Submersible,Water Injection,Gas Injection,Shut-In,or Other(explain). Item 28: Provide a listing of intervals cored and the corresponding formations,and a brief description in this box. Submit detailed description and analytical laboratory information required by 20 AAC 25.071. Item 30: Provide a listing of intervals tested and the corresponding formation,and a brief summary in this box. Submit detailed test and analytical laboratory information required by 20 AAC 25.071. Form 10-407 Revised 12/2009 Submit Original Only TREE= 4"CNV WELLHEAD= McEVOY SAFE JTES:WELL ANGLE>70'@ 9469' ACTUATOR= AXELSON PJC DRAt-T KB. ELEV= 66.29" BF.ELEV= 37.39' KOP= 5200' Max Angle= 103°@ 9609' CONDUCTOR -f ? I/ 2086' —14-1/2"HES HXO SSSV NIP,ID=3.813" Datum MD= ----- 9185' 4 Datum TVD= 8800'SS GAS LIFT MANDRELS ST MD TVD DEV TYPE VLV LATCH PORT DATE 6 3208 3206 0 OTIS DW RM 0 08/18/11 13-3/8"CSG,72#,L-80 BUTT, ID=12.347" —I 2666' I A 5 5281 5276 14 OT1S DMY RM 0 08/18/11 X X 4 6596 6488 24 OTIS DMY RA 0 09/17/86 9-5/8"CSG,47#,L-80 NSCC XO TO L-80 BUTT —1 4289' 1,1'/'X L X 3 7484 7304 23 OTIS DMY RA 0 09/17/86 / 2 8023 7798 24 OTIS DAY RA 0 09/17/86 9-5/8"CSG,47#,L-80 BUTT XO TO S-95 BUTT H 4328' J' 1 8170 7933 24 OTIS DMY RA 0 09/17/86 1 ' t 8358' H4-1/2"OTIS XA SLD SLV,ID=3.813" Minimum ID =2.377"@ 9704' I` 3.1/4" X 2-7/8 LINER XO i --I 8415' —TM/PER SEAL ASSY K 8431' H9-5/8"X 4-1/2"TMJ HBBP PKR,ID=4.750" IH8472' —14-1/2"OTIS X NIP,ID=3.813" 2-7/8"XX PLUG(04/15112) — 8472' --`r~ 8472' —14-1/2"X 2-7/8"NIP RDCR, ID=2.313"(4/15/12) TOP OF 7"LNR — 8491' — 8485' —I 3.70"BTT GEN II DEPLOY SLV, ID=3.00" 8504' —4-1/2"O11S XN NIP,MILLED TO 3.80" I (12/13/11) BEHIND CT LNR ' 8506' —13-1/2"OTIS X NIP,ID=2.817' 3-1/2'LNR,9.3#,L-80 STL,.0087 bpf, ID=2.992'H 8527' ♦ ---------- 8527' —13-1/2"X 3-1/4"XO, ID=2.786" 4-1/2'TBG, 12.6#, L-80, .0152 bpf, ID=3.958" —1 8533' / 1 s'' `- 8534' H4-1/2"WLEG,ID=3.958" BEHIND 9-5/8"CSG,47#,S-95 BUTT,ID=8.681" l 8752' I L CT LNR 8532' —ELMD H LOGGED 09/22/86 7"WHIPSTOCK(02/05/12 /RA TAG 8987' 8978' ELM '1. )w @ H _>. , 8965' —ITOPOFCEMENT 7"LNR,26#,L-80 U4S,.0382 bpf,ID— 6.276" --1 -8983' S �1 r — MLLOUT WIN PE RFORATIOA�t1MMARY----- `'' REF LOG: BHI MWD GR ON 03/22/12 F-- ANGLE AT TOP PERF:90°@ 11736' Note:Refer to R-oduction DB for historical perf data ► 9704' —13-1/4"X 2-7/8"XO, ID=2.377" SIZE SPF INTERVAL Opn/Sqz I DATE 2" 6 11736-11816 0 03/29/12 2" 6 11866-11976 0 03/29/12 I 3-1/4"LNR,6.60#, L-80 TCII, .0079 bpf,ID=2.786" —1 9704' r_ ( / ` I / PBTD —1 11977' 2-7/8"LNR 6.4#, L-80 STL, .0058 bpf,ID=2.441 — 12015' 41 A DATE REV BY COMMENTS DATE REV BY COMMENTS PRUDHOE BAY UNIT 09117/86 N18E INITIAL COMPLETION WELL: F-31A 03131/12 NORDIC 1 CTO SIDETRACK(F-31A) PERMIT No:'212G020 04/02/12 PJC DRLG DRAFT CORRECTIONS API No: 50-029-21647-01 04/09/12 MF/SV LINER ID CORRECTION SEC 2,T11 N,R13E,2353'FNL&2048'FWL 04/22/12 SET/ PJC NIP R.DCR/XX PLUG(4/15/12) ( BP Exploration(Alaska) l._ rI BAKER HUGHES INTEQ North America - ALASKA - BP Prudhoe Bay PB F Pad F-31 - Slot 31 F-31APB1 Survey: MWD Survey Report - Geographic 26 March, 2012 ) -- NOW Ms BAKER by HUGHES Survey Report-Geographic 0 INTEQ Company: North America-ALASKA-BP Local Co-ordinate Reference: Well F-31 -Slot 31 Project: Prudhoe Bay TVD Reference: 32:31 9/3/1986 00:00 @ 66.30ft(generic drilling Site: PB F Pad MD Reference: 32:31 9/3/1986 00:00 @ 66.30ft(generic drilling Well: F-31 North Reference: True Wellbore: F-31APB1 Survey Calculation Method: Minimum Curvature Design: F-31APB1 Database: EDM.16-ANC Prod-WH24P Project Prudhoe Bay,GPB, PRUDHOE BAY Map System: US State Plane 1927(Exact solution) System Datum: Mean Sea Level Geo Datum: NAD 1927(NADCON CONUS) Using Well Reference Point Map Zone: Alaska Zone 04 Using geodetic scale factor 1i Site PB F Pad,TR-11-13 Site Position: Northing: 5,972,527.29ft Latitude: 70°19'55.283 N j From: Map Easting: 650,960.70ft Longitude: 148°46'31.468 W Position Uncertainty: 0.00 ft Slot Radius: 0.000 in Grid Convergence: 1.15 ° Well F-31 API No 500292164700 Well Position +N/-S 0.00 ft Northing: 5,974,447.00 ft Latitude: 70°20'13.963 N +E/-W 0.00 ft Easting: 651,958.00 ft Longitude: 148°46'1.217 W Position Uncertainty 0.00 ft Wellhead Elevation: ft Ground Level: 35.98 ft Wellbore F-31APB1 API No 500292164770 Magnetics Model Name Sample Date Declination Dip Angle Field Strength (°) (°) (nT) BGGM2011 2/28/2012 21.10 81.04 57,662 Design F-31APB1 Audit Notes: Version: Phase: ACTUAL Tie On Depth: 8,900.00 Vertical Section: Depth From(TVD) +N/-S +E/-W Direction (ft) (ft) (ft) (°) 30.80 0.00 0.00 260.79 Survey Program Date: 3/20/2012 From To (ft) (ft) Survey(Wellbore) Tool Name Description 100.00 8,900.00 1 :Sperry-Sun BOSS gyro multi(F-31) BOSS-GYRO Sperry-Sun BOSS gyro multishot 8,976.50 9,328.00 MWD(F-31APB1) MWD MWD-Standard 3/26/2012 8:50:15AM Page 2 COMPASS 2003.16 Build 73 BAKER HUGHES Survey Report-Geographic 4:::)by INTEQ Company: North America-ALASKA-BP Local Co-ordinate Reference: Well F-31 -Slot 31 Project: Prudhoe Bay TVD Reference: 32:31 9/3/1986 00:00 @ 66.30ft(generic drilling Site: PB F Pad MD Reference: 32:31 9/3/1986 00:00 @ 66.30ft(generic drilling Well: F-31 North Reference: True Wellbore: F-31APB1 Survey Calculation Method: Minimum Curvature Design: F-31APB1 Database: EDM.16-ANC Prod-WH24P Survey Measured Vertical Map Map Depth Inclination Azimuth Depth +N/-S +E/-W Northing Easting (ft) (°) (°) (ft) (ft) (ft) (ft) (ft) Latitude Longitude 8,900.00 24.85 266.89 8,596.44 -276.09 -1,457.42 5,974,141.46 650,506.58 70°20'11.246 N 148°46'43.781 W TIP 8,976.50 25.37 266.59 8,665.71 -277.93 -1,489.83 5,974,138.96 650,474.21 70°20'11.228 N 148°46'44.727 W KOP 9,007.31 21.14 257.75 8,694.02 -279.51 -1,501.86 5,974,137.14 650,462.22 70°20'11.213 N 148°46'45.078 W 9,037.98 18.78 246.01 8,722.85 -282.69 -1,511.78 5,974,133.76 650,452.37 70°20'11.181 N 148°46'45.368 W 9,072.43 12.06 262.81 8,756.06 -285.40 -1,520.43 5,974,130.87 650,443.77 70°20'11.155 N 148°46'45.621 W 9,093.25 13.05 277.24 8,776.39 -285.37 -1,524.92 5,974,130.81 650,439.28 70°20'11.155 N 148°46'45.752 W 9,135.67 11.73 316.77 8,817.89 -281.62 -1,532.64 5,974,134.40 650,431.49 70°20'11.192 N 148°46'45.977 WI 9,158.82 5.61 347.49 8,840.78 -278.80 -1,534.50 5,974,137.19 650,429.58 70°20'11.219 N 148°46'46.032 W 9,186.29 3.67 331.32 8,868.16 -276.72 -1,535.21 5,974,139.25 650,428.82 70°20'11.240 N 148°46'46.052 W' 9,216.85 11.89 342.93 8,898.41 -272.84 -1,536.61 5,974,143.10 650,427.35 70°20'11.278 N 148°46'46.093 W 9,238.31 13.42 9.37 8,919.37 -268.27 -1,536.85 5,974,147.67 650,427.01 70°20'11.323 N 148°46'46.100 W 9,270.01 18.19 31.34 8,949.89 -260.40 -1,533.68 5,974,155.59 650,430.03 70°20'11.400 N 148°46'46.008 W 9,328.00 26.50 60.00 9,003.63 -246.14 -1,517.69 5,974,170.18 650,445.72 70°20'11.541 N 148°46'45.541 W TD 3262012 8:50:15AM Page 3 COMPASS 2003.16 Build 73 r'11111 BAKER HUGHES INTEQ North America - ALASKA - BP Prudhoe Bay PB F Pad F-31 - Slot 31 F-31A Survey: MWD Survey Report - Geographic 26 March, 2012 x�,r bij PIM BAKER HUGHES Survey Report-Geographic 0 by INTEQ Company: North America-ALASKA-BP Local Co-ordinate Reference: Well F-31 -Slot 31 I Project: Prudhoe Bay TVD Reference: 32:31 9/3/1986 00:00 @ 66.30ft(generic drilling Site: PB F Pad MD Reference: 32:31 9/3/1986 00:00 @ 66.30ft(generic drilling Well: F-31 North Reference: True Wellbore: F-31A Survey Calculation Method: Minimum Curvature Design: F-31A Database: EDM.16-ANC Prod-WH24P Project Prudhoe Bay,GPB,PRUDHOE BAY Map System: US State Plane 1927(Exact solution) System Datum: Mean Sea Level Geo Datum: NAD 1927(NADCON CONUS) Using Well Reference Point Map Zone: Alaska Zone 04 Using geodetic scale factor Site PB F Pad,TR-11-13 Site Position: Northing: 5,972,527.29ft Latitude: 70°19'55.283 N', From: Map Easting: 650,960.70ft Longitude: 148°46'31.468 W Position Uncertainty: 0.00 ft Slot Radius: 0.000in Grid Convergence: 1.15 ° Well F-31 API No 500292164700 Well Position +N/-S 0.00 ft Northing: 5,974,447.00 ft Latitude: 70°20'13.963 N +E/-W 0.00 ft Easting: 651,958.00 ft Longitude: 148°46'1.217 W Position Uncertainty 0.00 ft Wellhead Elevation: ft Ground Level: 35.98 ft Wellbore F-31A API No 500292164701 Magnetics ° Model Name Sample Date Declination Dip Angle Field Strength (°) (°) (nT) BGGM2011 3/13/2012 21.08 81.04 57,661 Design F-31A Audit Notes: Version: 1.0 Phase: ACTUAL Tie On Depth: 9,135.67 Vertical Section: Depth From(TVD) +N/-S +E/-W Direction (ft) (ft) (ft) (°) 30.80 0.00 0.00 172.94 Survey Program Date: 3/26/2012 From To (ft) (ft) Survey(Wellbore) Tool Name Description 100.00 8,900.00 1 :Sperry-Sun BOSS gyro multi(F-31) BOSS-GYRO Sperry-Sun BOSS gyro multishot 8,976.50 9,135.67 MWD(F-31APB1) MWD MWD-Standard 9,140.00 12,020.00 MWD(F-31A) MWD MWD-Standard 3/26/2012 8:55:36AM Page 2 COMPASS 2003.16 Build 73 Kai BAKER HUGHES Survey Report-Geographic 0 bp INTEQ Company: North America-ALASKA-BP Local Co-ordinate Reference: Well F-31 -Slot 31 Project: Prudhoe Bay TVD Reference: 32:31 9/3/1986 00:00 @ 66.30ft(generic drilling Site: PB F Pad MD Reference: 32:31 9/3/1986 00:00 @ 66.30ft(generic drilling Well: F-31 North Reference: True Wellbore: F-31A Survey Calculation Method: Minimum Curvature Design: F-31A Database: EDM.16-ANC Prod-WH24P Survey Measured Vertical Map Map Depth Inclination Azimuth Depth +N/-S +E/-W Northing Easting (ft) (°) (°) (ft) (ft) (ft) (ft) (ft) Latitude Longitude 9,135.67 11.73 316.77 8,817.89 -281.62 -1,532.64 5,974,134.40 650,431.49 70°20'11.192 N 148°46'45.977 W TIP 9,140.00 10.45 319.72 8,822.14 -281.00 -1,533.20 5,974,135.01 650,430.92 70°20'11.198 N 148°46'45.993 W KOP 9,177.19 14.44 263.85 8,858.57 -278.92 -1,540.01 5,974,136.95 650,424.07 70°20'11.218 N 148°46'46.193 W 9,208.29 17.31 238.85 8,888.52 -281.73 -1,547.84 5,974,133.98 650,416.30 70°20'11.191 N 148°46'46.421 W 9,238.35 20.59 216.84 8,916.98 -288.28 -1,554.85 5,974,127.29 650,409.43 70°20'11.126 N 148°46'46.626 W 9,269.47 23.31 194.45 8,945.89 -298.65 -1,559.67 5,974,116.83 650,404.81 70°20'11.024 N 148°46'46.767 W 9,300.85 27.34 174.04 8,974.30 -311.86 -1,560.48 5,974,103.61 650,404.28 70°20'10.894 N 148°46'46.790 W 9,330.61 33.01 161.57 9,000.05 -326.37 -1,557.20 5,974,089.17 650,407.85 70°20'10.752 N 148°46'46.694 W 9,359.83 39.51 150.40 9,023.62 -342.04 -1,550.07 5,974,073.65 650,415.29 70°20'10.597 N 148°46'46.486 W 9,395.69 48.99 142.72 9,049.30 -362.78 -1,536.20 5,974,053.19 650,429.58 70°20'10.393 N 148°46'46.081 W 9,429.73 58.71 143.22 9,069.35 -384.70 -1,519.68 5,974,031.61 650,446.54 70°20'10.178 N 148°46'45.598 W 9,458.95 66.84 142.85 9,082.71 -405.45 -1,504.06 5,974,011.19 650,462.57 70°20'9.974 N 148°46'45.142 W 9,490.89 78.65 136.60 9,092.18 -428.63 -1,484.35 5,973,988.41 650,482.75 70°20'9.746 N 148°46'44.566 W 9,520.75 88.71 128.02 9,095.46 -448.55 -1,462.44 5,973,968.95 650,505.06 70°20'9.550 N 148°46'43.926 W 9,552.09 97.66 122.22 9,093.72 -466.53 -1,436.88 5,973,951.49 650,530.97 70°20'9.373 N 148°46'43.180 W 9,580.19 101.98 120.60 9,088.93 -480.96 -1,413.26 5,973,937.54 650,554.88 70°20'9.231 N 148°46'42.490 W 9,608.69 102.91 117.15 9,082.79 -494.39 -1,388.89 5,973,924.60 650,579.51 70°20'9.099 N 148°46'41.778 W 9,639.47 103.82 112.10 9,075.67 -506.87 -1,361.68 5,973,912.68 650,606.97 70°20'8.977 N 148°46'40.983 W 9,668.55 103.23 107.24 9,068.86 -516.38 -1,335.07 5,973,903.71 650,633.77 70°20'8.883 N 148°46'40.206 W 9,694.74 103.56 103.79 9,062.80 -523.20 -1,310.52 5,973,897.40 650,658.44 70°20'8.816 N 148°46'39.489 W 9,735.26 102.67 98.24 9,053.59 -530.73 -1,271.80 5,973,890.65 650,697.31 70°20'8.742 N 148°46'38.358 W 9,766.14 102.29 94.98 9,046.92 -534.20 -1,241.86 5,973,887.79 650,727.31 70°20'8.708 N 148°46'37.484 W 9,797.93 97.54 95.08 9,041.45 -536.94 -1,210.67 5,973,885.67 650,758.55 70°20'8.681 N 148°46'36.573 W 9,827.71 92.30 98.05 9,038.89 -540.34 -1,181.21 5,973,882.88 650,788.07 70°20'8.648 N 148°46'35.713 W 9,867.33 87.70 103.64 9,038.89 -547.79 -1,142.32 5,973,876.22 650,827.09 70°20'8.575 N 148°46'34.577 W 9,905.64 85.54 110.94 9,041.16 -559.14 -1,105.83 5,973,865.61 650,863.80 70°20'8.463 N 148°46'33.511 W, 9,940.95 85.82 117.79 9,043.82 -573.66 -1,073.78 5,973,851.74 650,896.14 70°20'8.320 N 148°46'32.575 W 10,005.61 86.44 129.47 9,048.20 -609.33 -1,020.16 5,973,817.17 650,950.47 70°20'7.970 N 148°46'31.009 WI 10,033.68 90.25 133.86 9,049.01 -627.97 -999.21 5,973,798.96 650,971.79 70°20'7.786 N 148°46'30.397 W 10,064.54 91.96 137.59 9,048.41 -650.06 -977.67 5,973,777.31 650,993.77 70°20'7.569 N 148°46'29.768 W 10,092.04 89.88 139.33 9,047.97 -670.64 -959.44 5,973,757.11 651,012.41 70°20'7.367 N 148°46'29.236 W 10,123.16 89.57 133.83 9,048.12 -693.23 -938.06 5,973,734.95 651,034.25 70°20'7.144 N 148°46'28.611 W 10,155.08 89.54 128.63 9,048.37 -714.26 -914.06 5,973,714.41 651,058.66 70°20'6.938 N 148°46'27.910 W' 10,202.71 88.90 122.40 9,049.02 -741.92 -875.32 5,973,687.55 651,097.96 70°20'6.666 N 148°46'26.779 W 10,235.95 90.64 118.97 9,049.15 -758.88 -846.74 5,973,671.18 651,126.88 70°20'6.499 N 148°46'25.944 W 10,276.55 88.31 116.26 9,049.52 -777.69 -810.77 5,973,653.10 651,163.21 70°20'6.314 N 148°46'24.894 W 10,312.10 91.38 112.87 9,049.62 -792.47 -778.45 5,973,638.98 651,195.83 70°20'6.169 N 148°46'23.950 W 10,342.54 90.43 117.01 9,049.14 -805.30 -750.85 5,973,626.71 651,223.67 70°20'6.043 N 148°46'23.144 W 10,371.77 89.57 121.30 9,049.14 -819.53 -725.33 5,973,613.00 651,249.47 70°20'5.903 N 148°46'22.398 W 10,402.70 92.58 123.58 9,048.56 -836.12 -699.24 5,973,596.95 651,275.90 70°20'5.739 N 148°46'21.636 W 10,433.68 94.09 126.84 9,046.76 -853.95 -673.97 5,973,579.63 651,301.52 70°20'5.564 N 148°46'20.898 W 10,461.39 92.86 129.59 9,045.08 -871.06 -652.24 5,973,562.97 651,323.59 70°20'5.396 N 148°46'20.264 W 10,505.55 90.00 134.84 9,043.97 -900.71 -619.56 5,973,533.99 651,356.86 70°20'5.104 N 148°46'19.309 W 10,542.37 88.93 136.01 9,044.32 -926.93 -593.72 5,973,508.30 651,383.22 70°20'4.846 N 148°46'18.555 W 10,576.46 89.94 131.98 9,044.65 -950.61 -569.21 5,973,485.13 651,408.21 70°20'4.614 N 148°46'17.839 W 10,600.75 90.67 129.32 9,044.52 -966.43 -550.78 5,973,469.68 651,426.96 70°20'4.458 N 148°46'17.301 W 10,631.57 90.46 125.79 9,044.22 -985.21 -526.35 5,973,451.40 651,451.76 70°20'4.273 N 148°46'16.587 W 10,661.31 91.07 122.86 9,043.82 -1,001.98 -501.80 5,973,435.14 651,476.65 70°20'4.108 N 148°46'15.870 W' 10,696.42 90.95 127.53 9,043.20 -1,022.20 -473.12 5,973,415.50 651,505.73 70°20'3.910 N 148°46'15.033 W 10,730.66 91.88 131.52 9,042.36 -1,043.98 -446.72 5,973,394.26 651,532.56 70°20'3.695 N 148°46'14.262 W I 10,758.06 90.62 135.41 9,041.76 -1,062.82 -426.84 5,973,375.83 651,552.81 70°20'3.510 N 148°46'13.681 W 10,797.83 89.45 140.27 9,041.74 -1,092.29 -400.16 5,973,346.90 651,580.09 70°20'3.220 N 148°46'12.902 W 10,827.59 86.29 142.17 9,042.84 -1,115.47 -381.53 5,973,324.11 651,599.18 70°20'2.992 N 148°46'12.358 W 3/26/2012 8:55:36AM Page 3 COMPASS 2003.16 Build 73 BAKER HUGHES Survey Report-Geographic 0 bp INTEQ Company: North America-ALASKA-BP Local Co-ordinate Reference: Well F-31 -Slot 31 Project: Prudhoe Bay TVD Reference: 32:31 9/3/1986 00:00 @ 66.30ft(generic drilling Site: PB F Pad MD Reference: 32:31 9/3/1986 00:00 @ 66.30ft(generic drilling Well: F-31 North Reference: True Wellbore: F-31A Survey Calculation Method: Minimum Curvature Design: F-31A Database: EDM.16-ANC Prod-WH24P Survey Measured Vertical Map Map Depth Inclination Azimuth Depth +N/-S +EI-W Northing Easting (ft) (°) (°) (ft) (ft) (ft) (ft) (ft) Latitude Longitude 10,858.18 85.45 138.59 9,045.05 -1,138.97 -362.08 5,973,301.01 651,619.10 70°20'2.761 N 148°46'11.790 W 10,891.14 87.85 134.25 9,046.97 -1,162.80 -339.40 5,973,277.65 651,642.25 70°20'2.527 N 148°46'11.128 W 10,925.63 87.39 128.99 9,048.41 -1,185.68 -313.65 5,973,255.30 651,668.46 70°20'2.302 N 148°46'10.376 W 10,953.07 89.97 126.39 9,049.04 -1,202.45 -291.95 5,973,238.97 651,690.50 70°20'2.137 N 148°46'9.742 W 10,984.27 88.86 124.41 9,049.36 -1,220.52 -266.52 5,973,221.42 651,716.29 70°20'1.959 N 148°46'8.999 W 11,014.55 89.88 121.09 9,049.69 -1,236.90 -241.06 5,973,205.57 651,742.07 70°20'1.798 N 148°46'8.256 W 11,048.47 90.25 117.27 9,049.65 -1,253.43 -211.45 5,973,189.64 651,772.01 70°20'1.636 N 148°46'7.391 W 11,080.42 89.42 112.09 9,049.74 -1,266.77 -182.42 5,973,176.89 651,801.29 70°20'1.504 N 148°46'6.544 W' 11,109.93 90.77 108.52 9,049.69 -1,277.01 -154.75 5,973,167.22 651,829.16 70°20'1.404 N 148°46'5.736 W 11,140.32 92.06 106.16 9,048.94 -1,286.06 -125.76 5,973,158.75 651,858.34 70°20'1.315 N 148°46'4.889 W 11,171.09 93.47 109.89 9,047.46 -1,295.57 -96.54 5,973,149.84 651,887.74 70°20'1.221 N 148°46'4.036 W 11,201.79 88.13 112.24 9,047.03 -1,306.60 -67.90 5,973,139.39 651,916.59 70°20'1.113 N 148°46'3.200 W 11,231.37 84.90 115.69 9,048.83 -1,318.58 -40.93 5,973,127.96 651,943.80 70°20'0.995 N 148°46'2.412 W 11,261.08 83.51 119.18 9,051.83 -1,332.20 -14.70 5,973,114.88 651,970.30 70°20'0.861 N 148°46'1.646 W 11,291.23 81.37 123.09 9,055.80 -1,347.65 10.88 5,973,099.95 651,996.18 70°20'0.709 N 148°46'0.899 W 11,321.15 83.56 125.70 9,059.72 -1,364.40 35.35 5,973,083.70 652,020.98 70°20'0.544 N 148°46'0.185 W 11,351.02 87.02 127.39 9,062.17 -1,382.12 59.26 5,973,066.46 652,045.25 70°20'0.370 N 148°45'59.486 W 11,380.38 89.97 129.84 9,062.94 -1,400.44 82.19 5,973,048.62 652,068.54 70°20'0.190 N 148°45'58.817 W 11,410.59 95.16 131.94 9,061.59 -1,420.19 104.99 5,973,029.34 652,091.74 70°19'59.996 N 148°45'58.151 W 11,440.63 94.24 134.41 9,059.13 -1,440.67 126.82 5,973,009.30 652,113.98 70°19'59.794 N 148°45'57.513 W 11,470.49 93.90 138.52 9,057.01 -1,462.26 147.34 5,972,988.14 652,134.92 70°19'59.582 N 148°45'56.914 W 11,500.57 91.38 141.63 9,055.63 -1,485.30 166.62 5,972,965.49 652,154.66 70°19'59.355 N 148°45'56.351 W 11,530.36 89.20 144.68 9,055.47 -1,509.13 184.48 5,972,942.03 652,173.00 70°19'59.121 N 148°45'55.830 W 11,560.43 88.40 146.74 9,056.10 -1,533.97 201.41 5,972,917.54 652,190.44 70°19'58.876 N 148°45'55.335 W 11,600.24 89.63 152.11 9,056.79 -1,568.23 221.65 5,972,883.70 652,211.36 70°19'58.540 N 148°45'54.745 WI 11,630.45 90.80 156.98 9,056.68 -1,595.49 234.63 5,972,856.71 652,224.89 70°19'58.271 N 148°45'54.366 WI 11,660.31 91.66 162.34 9,056.03 -1,623.47 245.00 5,972,828.94 652,235.83 70°19'57.996 N 148°45'54.063 W' 11,689.99 91.57 167.21 9,055.20 -1,652.09 252.79 5,972,800.49 652,244.20 70°19'57.715 N 148°45'53.835 W 11,720.13 91.44 169.54 9,054.41 -1,681.60 258.86 5,972,771.11 652,250.86 70°19'57.425 N 148°45'53.658 W 11,745.64 88.59 169.79 9,054.40 -1,706.70 263.44 5,972,746.12 652,255.95 70°19'57.178 N 148°45'53.524 W 11,769.94 90.98 169.97 9,054.49 -1,730.62 267.71 5,972,722.29 652,260.70 70°19'56.942 N 148°45'53.400 W 11,800.73 92.73 172.87 9,053.49 -1,761.04 272.30 5,972,691.97 652,265.91 70°19'56.643 N 148°45'53.266 W 11,838.26 93.26 178.40 9,051.53 -1,798.40 275.15 5,972,654.68 652,269.51 70°19'56.276 N 148°45'53.183 W 11,869.75 91.63 183.18 9,050.19 -1,829.84 274.72 5,972,623.23 652,269.72 70°19'55.967 N 148°45'53.195 W 11,897.63 90.86 186.61 9,049.58 -1,857.61 272.34 5,972,595.43 652,267.90 70°19'55.693 N 148°45'53.265 W 11,929.91 89.11 189.89 9,049.59 -1,889.55 267.71 5,972,563.40 652,263.92 70°19'55.379 N 148°45'53.400 W 11,959.95 88.25 192.89 9,050.28 -1,918.99 261.78 5,972,533.85 652,258.59 70°19'55.090 N 148°45'53.573 W 12,020.00 87.01 200.00 9,052.77 -1,976.50 244.81 5,972,476.02 652,242.79 70°19'54.524 N 148°45'54.069 W TD 3/26/2012 8:55:36AM Page 4 COMPASS 2003.16 Build 73 North America-ALASKA- BP Page 1 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 3/2/2010 End Date:3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site:PB F Pad Under Consolidation { Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 3/2/2012 19:30 - 21:30 2.00 RIGD P PRE WAIT FOR WELL PREP TO BE FINISHED. MEANWHILE MOVE RIG MATS AND PLACE HEATERS AT CELLAR TO KEEP RIG MOVE SYSTEM WARM. 21:30 - 23:00 1.50 RIGD P PRE DHD CREW COMING OUT TO CHECK ANNULI-PRESSURES: IA=VACUUM / OA= 4PSI.BLEED DOWN OA AND MONITOR FOR PRESSURE BUILD UP.NO PRESSURE IS NOTICED, RELEASE DHD CREW. DRILLSITE MAINTENANCE DELIVER CHECKED, PRESSURE-TESTED& CALIBRATED SSV CONTROL PANEL TO RIG. INSTALLATION OF HYDRAULIC LINE REQUIRES USAGE OF MANLIFT,WHICH CANNOT BE USED DUE TO LOW TEMPS. WAIT TILL DAYSHIFT. 23:00 - 00:00 1.00 RIGD P PRE WAIT FOR VALVE-CREW TO SET TWC-VALVE. VALVE-CREW WILL COME OUT AS SOON AS TEMPERATURES WARM UP A LITTLE. RIG CREW RIG STARTS DISASSEMBLING BOP-STACK. 3/3/2012 00:00 - 04:30 4.50 RIGU P I PRE DISSEMBLE OLD BOP IN CELLAR. MEANWHILE, DRILL SITE MAINTENANCE CAME OUT AND PUT HEAT ON TREE, SO VALVE CREW CAN WORK ON THE TREE AND SET THE TWC. 04:30 - 06:00 1.50 RIGU P PRE STARTED REBUILDING NEW BOP. 06:00 - 06:20 0.33 RIGU P PRE CREW CHANGE AND PJSM TO CONTINUE OPS FOR SWAPPING BOPE 06:20 - 13:30 7.17 RIGU P PRE INSTALL RAMS INTO NEW STACK INSTALL HYD FITTINGS ON NEW STACK MU 7"OTIS X-OVER TO BAG 13:30 - 16:00 2.50 RIGU P PRE MOVE BOP STACK FROM SHOP INTO CELLAR INSTALL LIFT PLATE AND MU ANNULAR BAG TO TOT'S INSTALL MUD CROSS VALVES HOOK UP KOOMEY LINES TO BOP 16:00 - 20:00 4.00 RIGU P PRE COMPLETE ASSEMBLING BOP-STACK IN CELLAR. 20:00 - 23:00 3.00 RIGU P PRE COMMENCE RUNNING LINES FOR SSV CONTROL PANEL:TIE IN AIR LINE FOR SSV CONTROL PANEL TO CTDS AIR SUPPLY AND INSTALL HYDRAULIC LINE INTO CELLAR. CALL JEFF JONES(AOGCC)AND PROVIDE UPDATE ON PROGRESS. 23:00 - 00:00 1.00 RIGU P PRE MEET WITH PAD OP AND COMPLETE WELL WORK TRANSFER FORM. CALL OUT HARDLINE CREW FOR CHANGING OUT TT AND SETTING UP NEW TANK. 3/4/2012 00:00 - 01:00 1.00 RIGU P PRE COMPLETE INSTALLING LINES FOR SSV CONTROL PANEL IN OPS CAB. 01:00 - 02:20 1.33 RIGU P PRE PREPARE RIG FOR MOVING OVER WELL. PLACE RIG MATS,BREAK DOWN HARDLINE TO TT AND RELEASE TT FOR RECERT. RE-CHECK THAT ALL TREE VALVES ARE CLOSED AND ANNULI READ OPSI. READY FOR RIG MOVING OVER WELL. Printed 4/17/2012 10:59:39AM North America -ALASKA- BP Page 2 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:3/2/2010 End Date:3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site:PB F Pad_Under Consolidation Rig Name/No.:NORDIC 1 . Spud DaterTime: Rig Release: Rig Contractor:NORDIC CALISTA I UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 02:20 - 02:40 0.33 RIGU P PRE PJSM BEFORE MOVING RIG OVER WELL. 02:40 - 06:00 3.33 RIGU P PRE START WARMING UP MOVE SYSTEM. MOVE RIG OVER WELL F-31. 06:00 - 07:00 1.00 RIGU P PRE ACCEPT RIG AT 06:00 CONTINUE WITH RIGGING UP. MOVE SAT CAMP,SPOT CUTTINGS BOX, PREPARE CELLAR,LOWER STAIRS. 07:00 - 07:30 0.50 BOPSUR P PRE CREW CHANGE 07:30 - 12:00 4.50 BOPSUR P PRE CONTINUE PREPPING TO NU BOPE 12:00 - 13:00 1.00 BOPSUR P PRE FLUID PACK STACK 13:00 - 15:00 2.00 BOPSUR P PRE ATEMOPT SHELL TEST 15:00 - 22:00 7.00 BOPSUR P PRE GOOD SHELL TEST,NOTIFY STATE INSPECTOR NOTIFIED JEFF JONES OF A GOOD SHELL TEST AND HE IS GOING TO COME OUT AND WITNESS THE TEST.WE HAVE THE OK TO CONTINUE THE TEST WHILE HE IS DRIVING TO LOCATION START TESTING RAMS AND VALVES AND p FUNCTION ALL RAMS AND VALVES FROM 1�`hu 'BOTH STATIONS. BOP-TEST COMPLETED(SCANNED CHARTS ATTACHED). 22:00 - 22:30 0.50 BOPSUR P PRE PERFORM DRAWDOWN TEST: SYSTEM PRESSURE AT 3,100 PSI. DROP TO 2,106PSI WHEN ACTUATED AND ALL RAMS, HCR AND ANNULAR GETS CLOSED. 200 PSI RECOVERY IN 23 SEC AND FULL RECOVERY IN 100SEC. N2 PRESSURE AT 2,100 PSI 22:30 - 23:15 0.75 BOPSUR P PRE PICK UP INJECTOR AND RIG UP FOR PULLING COIL ACROSS. 23:15 - 23:30 0.25 BOPSUR P PRE HOLD PJSM BEFORE TESTING THE GRAPPLE AND PULLING COIL ACROSS. • 23:30 - 00:00 0.50 BOPSUR P PRE PULL TEST COIL TUBING GRAPPLE WITH WINCH.PULL COIL ACROSS FROM REELHOUSE AND FEED INTO INJECTOR. 3/5/2012 00:00 - 00:15 0.25 BOPSUR P PRE FEED COIL THROUGH INJECTOR 00:15 - 01:30 1.25 BOPSUR P PRE CUT OFF GRAPPLE AND CHANGE OUT PACK-OFFS ON INJECTOR. 01:30 - 01:50 0.33 BOPSUR P PRE MU BOOT TO CABLE AND MEG-TEST THE LINE AND ALSO TEST FOR CONTINUITY- _ GOOD TESTS. 01:50 - 02:20 0.50 BOPSUR P PRE PUMP 5BBLS METHANOL AND PRESSURE-TEST INNER REEL IRON TO 4,000PSI/5MIN. 02:20 - 03:45 1.42 BOPSUR P PRE START FLUID-PACKING REEL;PUMP A FURTHER 5BBLS METHANOL FOLLOWED BY 140F-HOT KCL. CIRCULATE 130BBLS AT 1.5BPM TO WARM UP COIL'TILL FLUID TEMP ON OUT MM IS 98DEG F. 03:45 - 04:30 0.75 BOPSUR P PRE LINE UP AND TEST INNER REEL VALVE AND PACK-OFFS.ACHIEVE GOOD TEST. Printed 4/17/2012 10:59:39AM North America -ALASKA- BP Page 3 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:3/2/2010 End Date: 3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site: PB F Pad Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: • Rig Release: Rig Contractor: NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 04:30 - 05:00 0.50 BOPSUR P PRE CIRCULATING FRESH WATER INTO THE REEL. PERFORM SLACK MANAGEMENT; PUMPING WIRE BACK INTO THE REEL. NO CABLE MOVEMENT TO BE OBSERVED. 05:00 - 05:30 0.50 BOPSUR P PRE LINE UP AND PUMP IN KCL INTO REEL.NO CABLE MOVEMENT TO BE OBSERVED. 05:30 - 06:00 0.50 BOPSUR P PRE CONDUCTED RIG EVACUATION DRILL. BACKSIDE SIREN NOT OPERATING,BUT STILL ALLOCATED FOR EVERY MAN. 06:00 - 06:30 0.50 BOPSUR P PRE CREW CHANGE 06:30 - 07:00 0.50 BOPSUR P PRE RIG EVACUATION DRILL """SIMULATE HIGH LEVEL H2S AT SURFACE PU OFF BOTTOM AND SHUT IN THE WELL, WELL IS SHUT IN AND NOW WE HAVE A PACK-OFF LEAK THAT WE CANNOT STOP. SHUT IN UPPER MOST PIPE RAMS TO SECURE THE WELL AND EVACUATE TO THE PRIMARY MUSTER AREA.ALL PERSONNEL ON LOCATION ACCOUNTED FOR IN<3 DEFICIENCY SIREN ON THE BACK OF THE RIG DID NOT FUNCTION PROPERLY.TALKED TO TOOL PUSHER ABOUT MOVING SIREN TO ANOTHER SPOT,STEAM FROM THE CUTTINGS BOX IS POSSIBLE CULPRIT FOR ICING UP THE SIREN ✓ 07:00 - 10:00 3.00 BOPSUR P PRE PU INJECTOR AND RU CUTTER TO FIND WIRE WIRE DID NOT MOVE. PAPERWORK SHOWS '1.8%SLACK IN REEL FROM MANUFACTURE. CTS SUPERVISOR CALLED HIS MANAGR AND THEY ARE COMFORTABLE WITH MOVING FORWARD MU THE CTC AND BHI UQC 10:00 - 11:15 1.25 BOPSUR P PRE PT THE CTC AND BHI FLOW SUB,LOW AND HIGH GOOD LOW PT,CIRCULATE TO WARM THE COIL SHUT IN FOR HIGH PT GOOD HIGH PT LINE UP TO PT BHI CHECKS GOOD LOW PT CIRC TO WARM COIL SHUT IN FOR HIGH PT GOOD HIGH PT Printed 4/17/2012 10:59:39AM North America-ALASKA- BP Page 4 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 3/2/2010 End Date:3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site: PB F Pad Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32 : 31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 11:15 - 11:50 0.58 BOPSUR P PRE PRESSURE TEST THE SSV PANEL&LINES AND THE SSV PURGE LINE WITH NEW HYD FLUID PRESSURE UP LINE IN INCREMENTS TO 2500 PSI AGAINST A CLOSED NEEDLE VALVE TO THE SSV NO LEAKS AND PRV OPENED AT—2500 PSI CLOSE IN BLOCK VALVE ON PANEL AND BLEED PRESSURE OFF PUMP LINE, BLOCK VALVE IS HOLDING SLOWLY OPEN BLOCK VALVE TO SEE WHERE LOW PSI ALARM TRIGGERS AND IT SOUNDED AT—1200PSI OPEN SSV NEEDLE VALVE AND ATEMPT TO CLOSE SSV STEM STARTED MOVING—800 PSI AND IS FULLY OPEN DUMP THE ESD IN THE OPS CAB AND SSV CLOSED PRESSURE UP TO OPEN SSV AND BLOCK IN PRESSURE AT 2150 PSI @ 11:50 11:50 - 12:45 0.92 . BOPSUR P PRE STAB INJECTOR ON WELL AND CIRC SLACK FORWARD TEMP HAS WARMED UP ENOUGH FOR THE RU CREW TO INSTALL THE HARDLINE FOR THE TT TT LINE IS RU AND TESTED 12:45 - 13:00 0.25 BOPSUR P PRE PJSM TO PU INJECTOR OFF WELL TO PREP 4 FOR PULLING TWC V 13:00 - 13:20 0.33 BOPSUR P PRE PJSM TO LOAD VALVE CREW LUBRICATOR ON RIG TO PULL TWC 13:20 - 14:00 0.67 BOPSUR P PRE LUBRICATOR LOADED ON RIG '14:00 - 14:30 0.50 BOPSUR P PRE CREW CHANGE OUT HOLD PJSM WITH NEW NORDIC DAY CREW TO PULL TWC 14:30 - 15:00 0.50 BOPSUR P PRE MU EXTENSIONS FOR PULLING TWC 15:00 - 16:00 1.00 BOPSUR P PRE PULL TWC TWC IS PULLED,NO PRESSURE ON WELL 16:00 - 16:30 0.50 BOPSUR P PRE WE HAVE A LITTLE GAS AT SURFACE THAT WONT BLEED OFF BECAUSE THERE IS NOT ENOUGH PRESSURE TO CLEAR THE LINE OF FLUID GOING TO THE TIGER TANK.CLOSE CHOKE AND BLOW DOWN MANIFOLD WITH AIR THEN RD THE AIR LINE BEFORE OPENING THE CHOKE TO SEE IF THE GAS WILL BLEED OFF 16:30 - 17:00 0.50 BOPSUR P PRE GAS BLED OFF,PU LUBRICATOR AND WE HAVE THE TWC CALL DRLG SUPT TO DISCUSS PLAN FORWARD,WE HAVE GAS AT SURFACE AND A TESTED PLUG IN THE HOLE.WE ARE GOING TO MAKE A NOZZLE RUN TO THE WS AND CIRCULATE BOTTOMS UP AND SWAP THE WELL TO MUD.FLOW CHECK THE WELL AND POOH 17:00 - 17:15 0.25 BOPSUR P PRE PJSM OT MU NOZZLE BHA#1. 17:15 - 17:55 0.67 BOPSUR P PRE MU NOZZLE BHA 17:55 - 18:30 0.58 BOPSUR P PRE STAB ON AND PRESSURE-TEST QUICK TEST SUB. Printed 4/17/2012 10:59:39AM North America-ALASKA- BP Page 5 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:3/2/2010 End Date: 3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site: PB F Pad_Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 18:30 - 20:30 2.00 BOPSUR P PRE START RIH WITH BHA#1, HOLD—150PSI BACKPRESSURE ON WELL. TAG WHIPSTOCK AT 8,995'. 20:30 - 21:30 1.00 BOPSUR P PRE START CIRCULATING BOTTOMS UP. NOTICE GAS IN RETURNS, ROUTE ALL RETURNS TO TIGER TANK. PRESSURE IN IA RAPIDLY INCREASES TO —1,120PSI(WELL PLAN ALLOWS FOR '2,000PSI)INITIALLY WHEN CIRCULATING. SLOW DOWN PUMP RATE TO CONTROL IA-PRESSURE. PRESSURE SETTLES AROUND 800PSI. 21:30 - 22:35 1.08 BOPSUR P PRE START CIRCULATING USED MUD DOWNHOLE,TAKING RETURNS TO TIGER 'TANK. 22:35 - 22:45 0.17 BOPSUR P PRE SEE 8.60PPG ON OUT-MICROMOTION.START ;TAKING RETURNS BACK TO PITS. CIRCULATE 2ND BOTTOMS UP TO ENSURE NO GAS IS LET DOWNHOLE. 22:45 - 00:00 1.25 BOPSUR P PRE POOH. MM IN:2.51 BPM/8.58PPG, MM OUT:2.13BPM /8.64PPG 2,336PSI CIRC PRESSURE,IA-774PSI,OA- 128PSI. 3/6/2012 00:00 - 01:15 1.25 BOPSUR P PRE COMPLETE POOH. MM IN:2.49BPM/8.56PPG, MM OUT: 1.92BPM /8.62PPG 2,007PSI CIRC PRESSURE, IA-529PS1,OA- 177PSI. CRACK OPEN IA TO CONFIRM THAT IA IS FLUID PACKED.OPEN UP, NO GAS OBSERVED. 01:15 - 01:30 0.25 BOPSUR P PRE 'FLOWCHECKED WELL.OBTAINED GOOD NO-FLO. HOLD PJSM FOR LD BHA. 01:30 - 02:20 0.83 BOPSUR P PRE PULLED TO SURFACE.POP LUBRICATOR, STAND BACK OVER BUNG HOLE AND LD BHA #1. 02:20 - 03:20 1.00 DRILL P WEXIT MU MILLING BHA(BHA#2). 03:20 - 04:40 1.33 DRILL P WEXIT STAB ON AND PRESSURE-TEST QUICK TEST SUB.GOOD TEST,OPEN EDC. RIH 04:40 - 04:50 0.17 DRILL P WEXIT SIT DOWN AT 5,297'-GLV#5. CLOSE EDC AND TURN TOOLFACE. 04:50 - 05:30 0.67 DRILL P WEXIT CONTINUE RIH. 05:30 - 06:15 0.75 DRILL P WEXIT SLOW DOWN TO 1FPM.START LOGGING FOR TIE-IN. 06:15 - 06:30 0.25 DRILL P WEXIT SEE DROP IN OUT DENSITY. 06:16-SHUT DOWN PUMP AND MONITOR FLOW AT POSSUM BELLY 06:18-WELL IS FLOWING AND I CAN SEE BLACK STREAKS OF CRUDE IN THE RETURNS, LINE UP TO MGS OPEN EDC AND START PUMPING TAKING RETURNS THROUGH THE MGS PVT=260BBLS 06:30 - 06:35 0.08 DRILL P WEXIT POOH 100'TO PREVENT COIL FROM FREEZING UP WHILE LINING UP TO MGS WELLHEAD=7PSI/SHUT-IN =OPSI/IA= 525PS1/OA=74PS1 Printed 4/17/2012 10:59:39AM North America -ALASKA- BP Page 6 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 3/2/2010 End Date: 3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site: PB F Pad_Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor: NORDIC CALISTA UWI: Active Datum:32: 31 9/3/1986 00:00 @66.301t(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) • (ft) 06:35 - 06:50 0.25 DRILL P WEXIT 06:35-START PUMPING DOWN COIL AT 1.0 BPM PVT=260BBLS 06:40-FILLING MGS, IT TAKES-10BBLS TO FILL.ONCE RETURNS ARE SEEN COMING OVER SHAKER, NOTICE BLACK STIPES IN MUD, INDICATING CRUDE FROM Al COMING BACK TO SURFACE. :06:50 - 07:00 0.17 DRILL P WEXIT PARK COIL AND CIRCULATE AT 1.12BPM/ 8.54PPG AT 1,373PSI CIRC PRESSURE. ,RETURNS: 1.18BPM/7.79PPG ON OUT-MM WELLHEAD=40PSI/SHUT-IN =OPSI/IA= 710PSI/OA= 112PSI/PVT=252BBLS. 15BBLS IN CIRCULATING BOTTOMS UP (-100BBLS). 07:00 - 08:00 1.00 DRILL P WEXIT 130 BBLS PUMPED IWHP PSI j DOWNSTREAM PSI=33 PSI MGS VESSEL PSI=2.5 PSI MGS STACK PSI=0 PSI 08:00 - 08:25 0.42 DRILL P WEXIT 90 BBLS PUMPED CHOKE/WHP=37 PSI CHOKE DOWNSTREAM PSI=30 PSI MGS VESSEL PSI=2.5 PSI ,MGS STACK PSI=0 PSI 08:25 09:00 j 0.58 DRILL P WEXIT PUMPED 20 BBLS PAST BOTTOMS UP,OUT MM RATE AND DENSITY LOOK GOOD SHUT DOWN PUMP AND MONITOR FOR FLOW GETTING A LITTLE FLOW BACK BUT THE IA PRESSURE IS BLEEDING OFF, INNER ANNULUS PRESSURE(IAP)STARTED AT 720 PSI AND NOW ITS DOWN TO 495 PSI 09:00 - 09:25 0.42 DRILL P WEXIT STILL GETTING ABOUT A PENCIL SIZE STREAM AT THE SHAKER AFTER SHUTTING DOWN FOR 20 MIN AND THE IAP IS STILL SLOWLY BLEEDING DOWN.COME ONLINE TO WARM COIL AND CALL CTD SUPT TO DISCUSS OPTIONS PVT=253 BBLS COME BACK ONLINE WITH PUMP TO SEE WHAT THE IA PRESSURES UP TO AND HOW MUCH VOLUME DROP FROM THE PITS, PVT=251 BBLS ONCE THE IAP LEVELS OFF 09:25 - 09:45 0.33 DRILL P WEXIT SHUT DOWN PUMP AND SEE HOW MUCH FLUID WE GET BACK STILL HAVE A PENCIL SIZE STREAM 09:45 - 09:55 0.17 DRILL P WEXIT MGS WAS SHUT IN WITH-8 BBLS, DRAIN MGS TO SEE IF THE THE FLOW IS COMING FROM THERE ONLINE WITH PUMP TO WARM COIL WHILE DRAINING MGS 09:55 - 10:15 0.33 DRILL N DPRB 5,700.00 WEXIT SHUT DOWN PUMP AND CLOSE CHOKE WE ARE GETTING A LITTLE GAS AT THE SHAKER CALL CTD SUPT TO DISCUSS PLAN FORWRD MONITOR PRESSURES IAP=584 PSI WHP= 0 PSI 15 MIN SHUT IN IAP=514 PSI WHP=40 PSI Printed 4/17/2012 10:59:39AM North America -ALASKA- BP Page 7 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 3/2/2010 End Date:3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site: PB F Pad Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 10:15 - 17:30 7.25 DRILL N DPRB 5,700.00 WEXIT WHP HAS STABILIZED AT 40 PSI AND IA AT 490 MOVE PIPE UP HOLE AND CIRCULATE WHEN POSSIBLE TO KEEP FROM FREEZING WHILE WAITING ON ORDERS FROM TOWN 17:30 - 17:45 0.25 DRILL N DPRB 5,700.00 WEXIT GIVEN PERMISSION TO CONTINUE OPS, HOLD PJSM TO LINE UP TO THE MGS 17:45 - 17:55 0.17 DRILL N DPRB 5,700.00 WEXIT LINE UP TO MGS 17:55 - 19:00 1.08 DRILL N DPRB 5,700.00 WEXIT ONLINE WITH PUMP AND RIH TAKING RETURNS THROUGH MGS. DENSITY STABILIZED AT 8.6 PPG WITH BOTTOMS UP. 19:00 - 21:30 2.50 CLEAN N WAIT WEXIT WAITING ON KCL TO BE WEIGHTED UP AT PLANT. LITTLE RED HOT OIL,EMPTY VACS ON LOCATION. 21:30 - 22:30 1.00 CLEAN N DPRB 5,700.00 WEXIT KCL ON LOCATION. LINE UP KCL TO COIL, EMPTY VAC ON TIGER TANK. PJSM FOR DISPLACING OLD CRUDE FREEZE PROTECT TO TIGER TANK AND PUMPING NEW, HEATED FREEZE PROTECT DOWN IA. 22:30 - 00:00 1.50 CLEAN N DPRB 5,700.00 WEXIT PULL UP HOLE WITH COIL. BEGIN DISPLACING KCL THROUGH COIL AT 1 BPM, 2700 PSI. STAGE LRHOS AND RU TO IA. PT LRHOS LINES. BEGIN INVENTORY OF HAMMER-LOCK UNIONS 3/7/2012 00:00 - 04:45 4.75 1 CLEAN N DPRB 5,700.00 WEXIT BULLHEADING 8.6 PPG KCL DOWN COIL AT 1.07 BPM,2700 PSI,AND THROUGH HOLES IN TUBING AT 5700',TAKING RETURNS THROUGH IA TO TIGER TANK. INVENTORY HAMMER-LOCK UNIONS 04:45 - 07:00 2.25 BOPSUR N DPRB 5,700.00 WEXIT FREEZE PROTECT LINE TO TIGER TANK. PUMP 135 BBLS WARM DIESEL TO FREEZE PROTECT INNER ANNULUS,TAKING MUD RETURNS THROUGH MGS AND INTO PITS. SLOWLY PULLING UP HOLE WHILE PUMPING DISPLACEMENT VOLUME OF KCL DOWN COIL. 07:00 - 07:20 0.33 BOPSUR N MISC WEXIT PJSM TO LD THE DRILLING BHA 07:20 - 07:30 0.17 BOPSUR N MISC WEXIT SHUT DOWN PUMP TO FLOW CHECK WELL 07:30 - 08:15 0.75 BOPSUR N MISC WEXIT GOOD NO-FLOW,PU INJECTOR AND LD WINDOW BHA 08:15 - 09:20 1.08 BOPSUR N MISC ' WEXIT •TEST 2 BARRIERS TO SECURE WELL WELL IS SECURED 09:20 - 10:00 0.67 BOPSUR N MISC WEXIT REMOVE BHI CHECK VALVES,STAB ON WELL AND BLOW COIL BACK WITH AIR TO SHUT DOWN OPS 10:00 - 18:00 8.00 BOPSUR N MISC WEXIT COIL BLOWN BACK—7 BBLS WOO TO CONTINUE OPS 18:00 - 00:00 6.00 BOPSUR N MISC WEXIT CONTINUE TO WAIT ON ORDERS. CREW CONDUCTED RIG MAINTENANCE, CONTINUED WITH INVENTORY OF HAMMER-UNIONS ON HARD LINE. 3/8/2012 00:00 - 06:00 6.00 BOPSUR N MISC WEXIT WAIT ON ORDERS TO PROCEED FROM TOWN. CREW CONDUCTED RIG MAINTENANCE,CONTINUED WITH INVENTORY OF HAMMER-UNIONS ON HARD LINE. Printed 4/17/2012 10:59:39AM North America -ALASKA- BP Page 8 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 3/2/2010 End Date: 3/23/2012 X3-0116P-C: (2,598,086.00) Project: Prudhoe Bay Site: PB F Pad_Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum: 32: 31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase 1 Description of Operations (hr) (ft) 1 06:00 18:00 12.00 BOPSUR N MISC WEXIT CONTINUE WOO CREWS SCRUBBING AND PAINTING 'TRIED TO RERUN SSV PANEL HOSE BUT MAN-LIFT BROKE DOWN REPAIRED EMERGENCY LIGHT IN PITS REPLACED THE DOGHOUSE PURGE FAN SCRATCHED THE PAD AND CLEARED SNOW FROM BULL RAILS 18:00 - 00:00 6.00 BOPSUR N MISC WEXIT WORKING ON DRAWINGS OF MANIFOLDS WITH HAMMER-UNION LOCK CONNECTIONS. CONDUCT MAINTENANCE ON MICRO-MOTION. PRESSURE TEST AFTER MAINTENANCE. SUBMIT IR 4078987 REGARDING DAMAGE TO POWER SUPPLY CONNECTOR TO SATELLITE CAMP DURING NORMAL OPERATIONS. CONNECTOR PROVIDING POWER FROM RIG TO SATELLITE CAMP SHORTED OUT DUE TO LOOSE INTERNAL WIRE CONNECTION. RIG ELECTRICIAN SAFED THE AREA OUT, PLACED CAMP ON GENERATOR POWER. WILL REPLACE CONNECTOR AND GO BACK TO RIG POWER DURING DAYLIGHT HOURS. 3/9/2012 00:00 - 00:30 0.50 BOPSUR N MISC WEXIT FILLING HOLE IN WALL UNDER MEZZANINE 00:30 - 01:30 1.00 BOPSUR N MISC WEXIT MOVING HYDRAULIC LINE TO SSV PANEL INSIDE OF CELLAR WALLS. FUNCTION TEST SSV TWO TIMES,LEAVE IN CLOSED POSITION. 01:30 - 06:00 4.50 BOPSUR N MISC WEXIT CLEANING RIG WHILE WAITING ON ORDERS 06:00 - 18:0012.00 ( BOPSUR N MISC � WEXIT CONTINUE RIG MAINTENANCE WHILE WAITING ON ORDERS WE HAVE THE OK TO GO BACK TO WORK ONCE WE MEET CERTAIN CONDITIONS. RESOURCE PLASTIC SAFETY CHAIN AND !CREATE SIGNAGE FOR RESTRICTED AREAS 18:00 00:00 6.00 BOPSUR N MISC WEXIT I CONDUCT RIG EVACUATION DRILL AND HOLD AAR. UPPER SIREN AGAIN FROZEN UP;CREW TASKED TO KNOCK ICE OFF. PRE-SPUD MEETING WITH CREW. SAFETY CHAIN ON LOCATION. HANG CHAINS AND SIGNAGE. TAKE PICTURES OF BARRIERS TO HI-PRESSURE SENSITIVE CONNECTIONS,SEND OFF TO FIELD SUPERINTENDENT FOR REVIEW. STANDBY WHILE TOWN CONDUCTS REVIEW OF ACCESS RESTRICTIONS. 3/10/2012 00:00 - 00:45 0.75 BOPSUR N MISC j WEXIT 1ALAIZFOR TOWbLBEVIFW OF ACCESS RESTRICTIONS TO HAMMER-UNION AREAS. WHILE CONDUCTING ROUTINE INSPECTION OF COIL IN REEL HOUSE, NOTICE SMALL SCRAPES AT REGULAR 1' INTERVALS. INITIATES FURTHER INSPECTION OF CHAIN AND GRIPPER BLOCKS IN INJECTOR. FIND 3/8"PIECE OF METAL BETWEEN GRIPPER BLOCKS. RECEIVE ORDERS TO GO BACK TO WORK. Printed 4/17/2012 10:59:39AM North America -ALASKA- BP Page 9 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:3/2/2010 End Date:3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site: PB F Pad Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 00:45 - 01:45 1.00 DRILL N MISC WEXIT PJSM ON CONDITIONS THAT WORK WILL BE FOLLOWED DURING OPERATIONS. COMPLETE INSPECTION OF INJECTOR, CLEARING RIG FLOOR. BAKER HAND ON LOCATION TO MAKE UP BHA. 01:45 - 03:00 1.25 EVAL N MISC WEXIT PICK UP INJECTOR TO INSPECT COIL AFTER MAINTENANCE ON GRIPPER BLOCKS. COIL HAS GOUGE ALONG SIDE OF IT CONSISTENT WITH SCRAPING METAL. CUT 20'OF COIL. COIL IN GOOD SHAPE ABOVE THE CUT. RE-HEAD COIL. 03:00 - 06:00 3.00 DRILL N MISC WEXIT PULL TEST TO 40 K. MU FLOW SUB. MEG TEST FAILED SEVERAL TIMES. DISCONNECT FLOW SUB AND MEG TEST GOOD. CHANGE OUT FLOW SUBS. MEG TEST GOOD. MU UPPER AND LOWER QUICK CONNECTS. PRESSURE TEST CHECK VALVES. 06:00 - 06:35 0.58 DRILL N MISC WEXIT CREW CHANGE 06:35 - 07:00 0.42 DRILL N MISC WEXIT PJSM TO OPEN BACK UP TO THE WELL AND MU THE WINDOW BHA DISCUSSED POSSIBLE GAS UNDER MASTER AND WHAT WE WILL DO TO BLEED THAT OFF 07:00 - 08:20 1.33 DRILL N MISC I WEXIT CLOSE CHOKE AND OPEN UP TO THE WELL WE HAVE—60 PSI ON THE WELL,MOVE VAC TRUCKS FORWARD OUT OF THE AREA,CALL 'PAD OP AND BP RADIO TO INFORM THEM OF GAS BLEEDING OPERATIONS BEFORE BLEEDING PRESSURE OFF.TRUCKS MOVED AND HEATERS SHUT OFF.TAKE RETURNS TO THE TT,WH AND IA PRESSURE BLED OFF,IA WAS AT 385 PSI AND DROPPED TO 260 PSI.SHUT IN NEEDLE VALVE TO CHECK FOR PRESSURE BUILD UP. 08:20 - 09:00 0.67 DRILL • N MISC WEXIT NO PRESSURE, FLUID PACK STACK TO ENSURE HOLE IS FULL HOLE TO 2.8 BBLS WITH A LITTLE BIT OF AIR AND FLUID SPITTING OUT OF THE NIGHT CAP NEEDLE VALVE SHUT IN NEEDLE VALVE TO CHECK FOR PRESSURE BUILD UP NO PRESSURE OR FLUID AT NEEDLE VALVE OPEN CHOKE AND FLOW ACROSS THE TOP TO THE SHAKER TO ENSURE ALL SURFACE LINES ARE FLUID PACKED TO CHECK FOR FLOW 09:00 - 09:20 0.33 DRILL N MISC WEXIT GOOD NO FLOW CHECK,MU WINDOW BHA 09:20 - 09:30 0.17 DRILL N MISC ' WEXIT PU INJECTOR AND MU TO BHA 09:30 - 10:10 0.67 DRILL N MISC ' WEXIT BHA MADE UP,COME ONLINE TAKING RETURNS TO THE TIGER TANK WHILE PRESSURE TESTING THE QTS 10:10 11:10 1.00 DRILL N MISC WEXIT 'GOOD TEST ON QTS, RIH HOLDING 100-200 PSI WHP Printed 4/17/2012 10:59:39AM North America -ALASKA- BP Page 10 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:3/2/2010 End Date:3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site: PB F Pad Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum: 32: 31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 11:10 - 11:55 0.75 DRILL N MISC WEXIT SLOW DOWN RIH SPEED TO SEE IF WE TAG THE SAME GLM @ 5281'LIKE THE FIRST RUN IN THE HOLE WITH THE WINDOW BHA.TAG AT 5294'BUT POPPED THROUGH, PU TO CHECK UP WEIGHT. UP WT IS CLEAN RIH AND SLIGHT TAG AT SAME DEPTH.CALLED CTD SUPT AND DISCUSSED POSSIBLE LOW -SIDE GLM POCKET.SOURCE WITH WELLS GROUP IS CHECKING THE ORIENTATION OF THE MANDEL AND ITS AT 7 O'CLOCK, NEED TO MAINTAIN HSTF WHEN TRIPPING IN& OOH 11:55 - 12:55 1.00 DRILL P WEXIT LOG TIE IN PASS STARTING AT 8840' SSV PANEL @ 2300 PSI INCREASE PUMP RATE TO SWAP WELL OVER TO MUD 12:55 - 13:05 0.17 DRILL P WEXIT CORRECT DEPTH-8' OBTAIN PU AND RIH WT'S-UP=32K RIH= 18K 30 BBLS PAST BOTTOMS UP, RETURNS ARE CLEAN. SLOWLY BLEED OFF WHP 13:05 - 13:25 0.33 STWHIP P ' WEXIT FINISH MUD SWAP RATE=3.5 BPM IAP=770 PSI TAG WS AT 8938' 13:25 - 13:35 0.17 STWHIP P WEXIT PUMP FRESH WATER OUT TO TT TO FLUSH LINE FOR BLOW DOWN AND FREEZE PROTECT CLOSE EDC IAP=380 PSI AND SLOWLY BLEEDING DOWN 13.35 13:40 0.08 STWHIP P WEXIT ONLINE WITH PUMP,RIH TO START MILLING WINDOW RATES IN=2.50 BPM OUT=2.49 BPM FREE SPIN=2465 PSI DENSITY IN=8.52 PPG OUT=8.56 PPG WHP=51 PSI IAP=642 PSI OAP=35 PSI 13:40 - 14:50 1.17 STWHIP P WEXIT START MILLING WINDOW AT 8982.7' 14:50 - 15:00 0.17 STWHIP P WEXIT RATES IN=2.50 BPM OUT=2.48 BPM FREE SPIN=2465 PSI DENSITY IN=8.52 PPG OUT=8.53 PPG WHP=51 PSI IAP=590 PSI OAP=48 PSI CIRC PSI=2582 PSI WOB=0.8K 15:00 - 15:50 0.83 STWHIP P WEXIT START APPLYING MORE WOB RATES IN=2.52 BPM OUT=2.48 BPM FREE SPIN=2465 PSI DENSITY IN=8.52 PPG OUT=8.54 PPG WHP=51 PSI IAP=627 PSI OAP=51 PSI CIRC PSI=2765 PSI WOB=2.1K 15:50 - 16:30 0.67 STWHIP P WEXIT RATES IN=2.52 BPM OUT=2.48 BPM FREE SPIN=2465 PSI DENSITY IN=8.51 PPG OUT=8.53 PPG WHP=51 PSI IAP=609 PSI OAP=61 PSI CIRC PSI=2681 PSI WOB=3.2K 16:30 - 17:35 1.08 STWHIP P WEXIT LAST 0.3' WENT A LITTLE SLOW,BACK OFF THE WOB FROM 3.3K TO-2-2.5K TO INCREASE MOTOR RPM'S AND SEE IF THAT HELPS 17:35 - 17:45 0.17 STWHIP P WEXIT NOT MAKING ANY FOOTAGE,PU TO CHECK FREE SPIN WE HAD ABOUT 100 PSI MOTOR WORK. INCREASE RATE TO 2.6 BPM Printed 4/17/2012 10:59:39AM North America-ALASKA- BP Page 11 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:3/2/2010 End Date:3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site: PB F Pad Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32: 31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 17:45 - 18:05 0.33 STWHIP P WEXIT RATES IN=2.63 BPM OUT=2.60 BPM FREE SPIN=2550 PSI DENSITY IN=8.51 PPG OUT=8.53 PPG WHP=51 PSI IAP=630 PSI OAP=98 PSI CIRC PSI=2758 PSI WOB=3.6K 18:05 - 19:00 0.92 STWHIP P WEXIT RATES IN=2.59 BPM OUT=2.59 BPM FREE SPIN=2550 PSI DENSITY IN=8.51 PPG OUT=8.53 PPG WHP=51 PSI IAP=630 PSI OAP= 106 PSI CIRC PSI=2728 PSI WOB=3.9K 19:00 - 20:15 1.25 STWHIP P WEXIT RATES IN=2.60 BPM OUT=2.59 BPM FREE SPIN=2550 PSI DENSITY IN=8.50 PPG OUT=8.52 PPG WHP=51 PSI IAP=630 PSI OAP=134 PSI CIRC PSI=2670 PSI WOB=2.5K 20:15 - 21:30 1.25 STWHIP P WEXIT RATES IN=2.71 BPM OUT=2.69 BPM FREE SPIN=2590 PSI DENSITY IN=8.50 PPG OUT=8.52 PPG 1 WHP=51 PSI IAP=630 PSI OAP=190 PSI CIRC PSI=2870 PSI WOB=2.3-2.5K 21:30 - 22:50 1.33 STWHIP P WEXIT RATES IN=2.69 BPM OUT=2.67 BPM FREE SPIN=2590 PSI DENSITY IN=8.50 PPG OUT=8.52 PPG WHP=51 PSI IAP=630 PSI OAP=190 PSI CIRC PSI=2900 PSI WOB=1.3-2.1K 22:50 - 00:00 1.17 STWHIP P WEXIT RATES IN=2.71 BPM OUT=2.69 BPM FREE SPIN=2590 PSI DENSITY IN=8.50 PPG OUT=8.52 PPG WHP=51 PSI IAP=637 PSI OAP=280 PSI CIRC PSI=2870 PSI WOB= .7-1.0K RECORD A DECREASE IN WOB, DIFFERENTIAL DROPPED OFF. INDICATOR ?` ft THAT MILL IS EXITING CASING. SLOW DOWN PENETRATION RATE TO ENSURE CLEAN EXIT AND GIVE THE STRING REAMER TIME TO CLEAN UP EXIT POINT. 3/11/2012 00:00 - 00:30 0.50 STWHIP P WEXIT RATES IN=2.60 BPM OUT=2.59 BPM FREE SPIN=2480 PSI DENSITY IN=8.50 PPG OUT=8.52 PPG WHP=51 PSI IAP=625 PSI OAP=340 PSI CIRC PSI=2585 PSI WOB= .1-.7 K MILL HAS EXITED CASING. SLOW DOWN �� PENETRATION RATE TO ENSURE CLEAN EXIT AND GIVE THE STRING REAMER TIME TO CLEAN UP EXIT POINT. INITIAL ESTIMATE TOP OF WINDOW AT 8982.7', BOTTOM OF WINDOW 8990.6'. PU AND OBTAIN SLOW PUMP RATES. CLEAN PU,PUW 36K. 00:30 - 03:30 2.00 STWHIP P WEXIT BACK ON BOTTOM WITH MILLING OPERATIONS. MILL 10'OF NEW HOLE, CIRCULATE FOR GEOLOGIST SAMPLES. FREE SPIN 2570 PSI AT 2.65 BPM. -2.65-2.75 BPM,2770-2940 PSI,.8-4.7K WOB, 51 PSI WHP -MW IN 8.5 PPG,MW OUT 8.52 PPG Printed 4/17/2012 10:59:39AM North America-ALASKA- BP Page 12 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 3/2/2010 End Date: 3/23/2012 X3-0116P-C: (2,598,086.00) I Project:Prudhoe Bay Site: PB F Pad_Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32: 31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 03:30 - 05:00 2.50 STWHIP P WEXIT MAKE 3 REAMING PASSES THROUGH WINDOW. SLIGHT MOTOR WORK AT 8995' ON INITIAL BACKREAM THROUGH. ALL F OTHER PASSES GOOD. GEO CONFIRMS GOOD SAMPLES WITH SAND. PUMP HI-VIS PILL. DRY DRIFT WINDOW WITH NO ISSUES. 'FLOW CHECK WELL. OPEN EDC. 05:00 - 06:45 1.75 STWHIP P WEXIT POH WITH MILLING BHA. KICK DRILL WHILE POH WITH NEW COIL OPERATOR AT CONTROLS. VERY GOOD REACTION. GOOD AAR WITH COIL OPERATOR; FOCUS ON DISPLACEMENT CALCULATIONS, I MONITORING PIT LEVELS. 06:45 - 07:00 0.25 STWHIP P WEXIT CREW CHANGE i 07:00 - 07:35 0.58 STWHIP P WEXIT PJSM TO LD WINDOW BHA AT 2500' 07:35 - 07:50 0.25 STWHIP P WEXIT STOP AT 200'TO FLOW CHECK WELL 07:50 - 08:00 0.17 STWHIP i P WEXIT SMALL STREAM STILL COMING OUT SUSPECT RESIDUAL PRESSURE FROM IA BLEEDING OFF,TRIP SHEET IS 1:1 FOR TRIP OOH NEED TO PUMP TO WARM COIL PUMPED 1 BBL SHUT DOWN TO FLOW CHECK WELL 08:00 - 08:15 0.25 STWHIP P WEXIT STILL GETTING THE SAME SMALL CONTINUOS STREAM, LINE UP TO PUMP WATER ACROSS TOP TO SEE IF ITS JUST THE VIS OF THE MUD TAKING AWHILE TO DRAIN SHUT DOWN PUMP 08:15 - 08:45 0.50 STWHIP P WEXIT 'ZERO FLOW WITH WATER IN THE STACK, TAG UP AND LD THE WINDOW BHA 08:45 - 09:15 0.50 STWHIP P WEXIT GAUGED MILLS-WINDOW MILL=3.78 GO ✓ 3.77 NO GO STRING MILL=3.80 GO 3.79 NO GO _ MU NOZZLE TO JET STACK 09:15 - 09:30 0.25 STWHIP P WEXIT JET BOPE WITH NOZZLE BEFORE FUNCTION TEST i 09:30 - 09:45 0.25 STWHIP P WEXIT CLOSE SWAB FOR FUNCTION TEST PU INJECTOR AND PERFORM TEST 09:45 - 10:10 0.42 STWHIP P WEXIT FUNCTION TEST BOPE FROM OPS CAB 10:10 - 10:20 0.17 STWHIP P � WEXIT PT NIGHT CAP TO OPEN UP TO WELL 10:20 - 10:35 0.25 ' STWHIP P WEXIT GOOD PT ON NIGHT CAP, CLOSE CHOKE AND OPEN SWAB NO PRESSURE, OPEN CHOKE AND FILL HOLE HOLE IS FULL,CHECK FOR FLOW I I NO FLOW 10:35 - 10:45 0.17 STWHIP P WEXIT PJSM TO MU BUILD BHA 10:45 - 11:05 ' 0.33 DRILL P PROD1 MU BUILD BHA 11:05 - 11:20 0.25 DRILL P PROD1 PT QUICK TEST SUB 11:20 - 13:05 1.75 DRILL P PROD1 RIH 13:05 - 13:50 0.75 DRILL P PROD1 LOG TIE IN 13:50 - 15:25 1.58 DRILL P PROD1 CORRECT DEPTH-10.5'AND CONTINUE LOGGING DOWN FOR GEO TO TD IPrinted 4/17/2012 10:59:39AM North America -ALASKA- BP Page 13 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:3/2/2010 End Date: 3/23/2012 X3-0116P-C: (2,598,086.00) ---------- Project: Prudhoe Bay Site: PB F Pad_Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32: 31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase j Description of Operations (hr) (ft) 15:25 - 18:00 2.58 DRILL P ' PROD1 !TAG BOTTOM AND START DRILLING FREE SPIN 2900 PSI @ 2.88 BPM CIRC PSI= 13500 PSI 1 WHP=62 PSI IAP=653 PSI OAP=231 PSI IN RATE=2.94 BPM OUT RATE=2.82 BPM WOB=2.1K ECD=9.68 ROP=20 FPH 18:00 - 00:00 6.00 DRILL P PROD1 DRILL AHEAD IN BUILD SECTION. FREE SPIN AT 2.80 BPM 2740 PSI,2070 PSI AT 2 BPM. -2.0-2.79 BPM,1970-2785 PSI,.3-1.6 K WOB, ECD 9.5-9.67 PPG, MW IN 8.48 PPG,MW OUT 8.53 PPG -VERY SLOW ROP. TRACKING DIRECTIONAL PATH. STALLS CORRELATE WITH WOB AS IT INCREASES. VARY PUMP RATES,WOB, ROP WITH LITTLE SUCCESS IN MAKING FOOTAGE. SAMPLES SHOW SOME CHERT, LITTLE PYRITE,PRIMARILY PEBBLE SANDSTONE IN ZONE 4. ZONE 3 CONGLOMERATES EXPECTED AT 9075'. 3/12/2012 00:00 - 01:30 1.50 DRILL P PROD1 DRILL AHEAD IN BUILD SECTION. FREE SPIN 2500 PSI AT 2.5 BPM. -2.58-2.62 BPM,2475-2.805 PSI,.7-4.2 K WOB, ECD 9.60 PPG, MW IN 8.50 PPG,MW OUT 8.53 PPG STILL VERY SLOW ROP. DISCUSS FORMATION WITH GEOLOGIST,SOME CHERT AND PYRITE. RESEARCHED OTHER WELLS, GOOD ROP THROUGH THIS AREA WITH BI-CENTER BIT AND HI-SPEED MOTOR BUT NO DATA ON LOW SPEED MOTOR IN THIS SAME ZONE. WITH FIRST MARGINAL SURVEY, DD ONLY GAINING 17° DLS WITH jGOAL OF 26°. HAVE OPERATOR PLACE !MORE WOB,CANNOT GET BIT TO STALL. DECIDE TO POH FOR INSPECTION OF MOTOR AND BIT. FLOW CHECK ON BOTTOM. 01:30 - 04:30 3.00 DRILL P PROD1 POH. FLOW CHECK AT WINDOW. OPEN 'EDC, CONTINUE TO POH. NO ISSUES RUNNING PAST GLM AT 5290'. CONTINUE 'OUT OF HOLE. FLOW CHECK WELL AT 200'. PULL TO SRUFACE. 04:30 - 05:00 0.50 DRILL P PROD1 BREAK OFF BIT. NOSE CUTTERS CHIPPED/ BROKEN. GAUGE ROW CUTTERS DULLED/ CHIPPED. MOTOR IN GOOD SHAPE. CONSULT WITH DAY WSL,ODE ON RUNNING HI-SPEED MOTOR WITH NEW RAPTOR BIT. GIVEN OKAY TO CHANGE OUT MOTOR AND RUN BIT AS PLANNED EARLIER. 05:00 - 06:00 1.00 DRILL P PROD1 MU BHA,STBK BHA FOR CREW CHANGE 06:00 - 06:40 0.67 DRILL P PROD1 CREW CHANGE AND PJSM TO MU BHA 06:40 - 06:50 0.17 DRILL P PROD1 MU BHA#5 06:50 - 07:10 0.33 DRILL P PROD1 PT QTS Printed 4/17/2012 10:59:39AM North America -ALASKA- BP Page 14 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 3/2/2010 End Date:3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site: PB F Pad_Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI. Active Datum:32: 31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 07:10 - 07:30 0.33 DRILL P PROD1 RIH *****KWT DRILL W/H2S AT SURFACE***** SIMULATED A KWT DRILL,CTS SUP (ANNOUNCED HE HAD A 5 BBL GAIN IN THE I PITS AND HIS MICRO MOTION OUT RATE& DENSITY WERE FLUCTUATING WHICH IS A SIGN OF GAS.THE CTS SUP STOP RIH AND SHUT DOWN HIS PUMP,THE NORDIC DRILLER WENT TO THE DOGHOUSE AND !SAID HE IS SEEING LOW LEVEL H2S(4PPM) AT THE SHAKER AND TOLD THE CTS SUP TO SHUT THE WELL IN AT THE HCR.THE CTS SUP SHUT THE HCR AND INCREASED HIS PACK-OFFS TO 2000 PSI.ONCE THE WELL WAS SHUT IN THE DRILLER SAID THAT THE H2S LEVEL WAS DROPPING AND EVENTUALLY WENT TO O.WE NOTIFIED THE SCS TO RESTRICT ACCESS TO THE PAD AND CALL THE PAD OP. I TOLD THE DRILLER I WAS MAKING MY NOTIFICATIONS TO MY SUPT AND TO WAIT ON ORDERS.ALL PERSONNEL RESPONDED VERY WELL TO THE DRILL,THE MOTOR MAN WENT TO THE KOOMEY,THE ROUSTABOUT, FLOOR HAND AND CTS EQUIPMENT OPERATOR REPORTED TO THE RIG FLOOR TO ASSIST ;THE DRILLER AND WE RESTRICTED ACCESS TO THE PITS AND CELLAR. 07:30 - 09:10 1.67 DRILL P PROD1 CONTINUE RIH 09:10 - 09:35 0.42 DRILL P PROD1 CLOSE EDC AND RIH TO TIE INTO THE RA 09:35 - 09:45 0.17 DRILL P PROD1 CORRECT DEPTH-11.5' 09:45 - 09:55 0.17 DRILL I P PROD1 ,TAG BOTTOM AT 9071'PU AND OBTAIN SLOW PUMP RATES PUMP#1 2.6 BPM=2512 PSI 11.0 BPM= 1315 PSI 0.5 BPM= 1035 PSI PUMP#2 2.6 BPM=2465 PSI 1.0 BPM=1311 PSI 0.5 BPM=1040 PSI 09:55 - 11:20 1.42 DRILL P PROD1 TAG BOTTOM AND START DRILLING LOW TO GET A GOOD PATTERN FOR THE NEW BIT FREE SPIN 2560 PSI @ 2.57 BPM PVT=294 BBLS ?PSI=446 PSI WHP=59 PSI IAP=627 PSI OAP=435 PSI IN RATE=2.61 BPM OUT RATE=2.61 BPM WOB=1.25K ECD=9.63 ROP= 15 FPH VIBRATION=4-6 11:20 - 12:00 0.67 DRILL P PROD1 DRILLED INTO A SMALL THIEF ZONE AT 9092', LOSSES AT-0.5 BPM FOR-2 BBLS THEN STARTED COMING BACK.LOSSES AT 0.1 BPM. DRILLED 4'TO 9095 AND PU TO CHECK IUP WEIGHT TO SEE IF THE THIEF ZONE IS JUST PACKING OFF. LOSS RATE INCREASED TO 0.2 BPM WHEN WE RAN BACK IN HOLE AT 9092'.TAG BOTTOM AND CONTINUE DRILLING WITH MINOR LOSSES Printed 4/17/2012 10:59:39AM North America -ALASKA- BP Page 15 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:3/2/2010 End Date:3/23/2012 X3-0116P-C: (2,598,086.00) Project: Prudhoe Bay Site: PB F Pad Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth I Phase Description of Operations (hr) (ft) 12:00 13:55 1.92 DRILL P PROD1 FREE SPIN 2560 PSI @ 2.57 BPM ;PVT=288 BBLS ?PSI=502 PSI WHP=55 PSI IAP=627 PSI OAP=609 PSI IN RATE=2.48 BPM OUT RATE=2.47 BPM WOB=2.2K ECD=9.61 ROP= 16 FPH VIBRATION=5 9125'ROP STARTING TO INCREASE 13:55 - 15:10 1.25 DRILL P PROD1 DRILLING AHEAD AT 9150' PVT=286 BBLS ?PSI=783 PSI WHP=51 PSI IAP=634 PSI OAP=665 PSI IN RATE=2.48 BPM OUT RATE=2.47 BPM WOB=3.3K ECD=9.62 ROP=40 FPH VIBRATION=3-4 15:10 15:25 0.25 DRILL P PROD1 WIPERTOWINDOW 9092'LOSS ZONE IS OPENING WHEN WE PULL THROUGH IT AND IS TAKING A LITTLE FLUID THEN HEALS UP 15:25 17:45 2.33 DRILL P PROD1 CONTINUE DRILLING AT 9200' PVT=286 BBLS ?PSI=783 PSI WHP=51 PSI IAP=642 PSI OAP=721 PSI IN RATE=2.55 BPM OUT RATE=2.52 BPM WOB=3.4K ECD=9.64 ROP=60 FPH 17:45 - 18:15 0.50 DRILL P PROD1 CONTINUE DRILLING AT 9300' PVT=279 BBLS ?PSI=568 PSI 'WHP=51 PSI IAP=645 PSI OAP=792 PSI IN RATE=2.43 BPM OUT RATE=2.41 BPM WOB=3.75K ECD=9.67 ROP=85 FPH 18:15 - 19:45 1.50 EVAL P PROD1 EVALUATE ISSUES WITH DIRECTIONAL PATH: %-THE CREW DRILLED TO 9328'MD TODAY. THE SURVEYS UP TO 9158'MD SHOWED THAT THE WELL PATH WAS FOLLOWING THE 'INTENDED DIRECTIONAL PLAN. FROM THE ACTUAL WELLPATH REPORT,THE DD MADE 'THE ATTEMPT TO TURN AGGRESSIVELY FROM NW TO SE WHILE BUILDING AT THE 'SAME TIME. -THE SURVEY AT 9186'MD SHOWED THAT BUILD INCLINATION MET THE INTENDED WELLPATH BUT THE TURN DID NOT HAPPEN I AS EXPECTED. THE TOOLFACE AT THIS POINT WAS 16°WHEN IT WAS SUPPOSED TO BE AT 139°. -THE NEXT SURVEY AT 9217'MD SHOWED THAT INCLINATION WAS OFF BY 1°BUT THE 'AZIMUTH WAS AT 88°WHEN IT WAS SUPPOSED TO BE AT 139°AGAIN. -SAMPLES SHOW THAT THE BASE OF THE CONGLOMERATE IS AT 9132'MD PULL INTO WINDOW AND FLOW CHECK WHILE DISCUSSING PLAN FORWARD WITH ODE,FIELD SUPERINTENDENT 19:45 - 21:45 2.00 DRILL N DPRB 9,328.00 PROD1 PULL TO SURFACE TO INSPECT BHA AND PU BILLET ASSEMBLY FOR OPEN HOLE SIDETRACK. PJSM ON LAYING DOWN BHA. FLOW CHECK AT SURFACE. 21:45 - 22:45 1.00 DRILL N DPRB 9,328.00 PROD1 PLAN APPROVED TO RUN BILLET. PULL BHA TO SURFACE, POP-OFF, LAY DOWN BHA. BIT IN BAD SHAPE WITH NOSE CUTTERS RUNG OUT. BIT GRADE:8-3-RO-N-X-I-BT-BHA. Printed 4/17/2012 10:59:39AM North America -ALASKA- BP Page 16 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:3/2/2010 End Date: 3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site:PB F Pad Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66 30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 22:45 00:00 1.25 STKOH N DPRB 9,328.00 PROD1 BAKER BILLET ASSEMBLY ON LOCATION. PJSM ON MOBILIZING BHA AND MAKING UP BHA. MU BHA:OH ANCHOR, OH BILLET, SETTING SLEEVE,XO,XO, HOT, DGS, DPS, EDC, POWERCOMMS,WEAR SUB, LQC, UQC, XO, CTC 3/13/2012 00:00 - 03:00 3.00 STKOH N DPRB 9,328.00 PROD1 PRESSURE TEST QTS. RIH WITH BILLET TO WINDOW. CLOSE EDC. LOG TIE-IN AT 9000' WITH-11'CORRECTION. 03:00 - 03:15 0.25 STKOH N DPRB 9,328.00, PROD1 RIH WITH BILLET ASSEMBLY TO 9140'MD WITH NO ISSUES. COME ON WITH PUMPS TO SET ANCHORS AT 9151';SHEAR AT 4000 PSI. SET DOWN 4K TO ENSURE ANCHORED. TOP OF BILLET AT 9140'. PU OUT OF BILLET ASSEMBLY TO CLEAR RUNNING TOOL ROD. 03:15 - 05:15 2.00 STKOH N DPRB 9,328.00 PROD1 POH WITH RUNNING TOOL ASSEMBLY. FLOW CHECK AT 300'. 05:15 - 09:00 3.75 STKOH N DPRB 9,328.00 PROD1 PULL TO SURFACE. LD BILLET RUNNING BHA. DISCUSS PLAN FORWARD WITH ENGINEERING AND ASSET TEAMS 09:00 - 09:30 0.50 STKOH N DPRB 9,328.00 PROD1 MU BHA#7 TO KICK OFF BILLET AND RESUME DRILLING AHEAD IN BUILD SECTION. STAB ON INJECTOR AND TEST QTS 250-PSI/ 3500-PSI FOR 5-CHARTED MIN PER TEST. GOOD TESTS. 09:30 - 11:45 2.25 STKOH N DPRB 9,328.00 PROD1 RIH WITH BHA#7. 11:45 - 12:15 0.50 STKOH N DPRB 9,328.00 PROD1 LOG GR TIE IN AND APPLY-14'CORRECTION. 12:15 - 15:00 2.75 STKOH N WAIT PROD1 PULL INTO CASED HOLE,OPEN EDC AND CIRCULATE AT.5-BPM/980-PSI WHILE WAITING FOR WSL CHANGE OUT TO BE COMPLETED. SLOWLY MOVE COIL UP HOLE WHILE WAITING. 15:00 - 16:00 1.00 STKOH N WAIT PROD1 WSL REVIEW KICKOFF PROCEDURE AND NEW DIRECTIONAL PLAN WITH DD,GEO, ODE,AND WTL. 16:00 - 16:15 0.25 STKOH N DPRB 9,328.00 PROD1 CLOSE EDC&RIH CIRCULATING AT.5-BPM/ 1000-PSI. 16:15 - 18:00 1.75 STKOH N DPRB 9,328.00 PROD1 DRY TAG BILLET AT 9141'WITH 4K-LBS DHWOB. PU AND ESTABLISH CIRCULATION AT 2.5-BPM/2430-PSI. BEGIN TIME DRILLING AHEAD AT 1-FPH FROM 9140'. SEE—100-PSI MOTOR WORK AND 600-1000-LBS DHWOB. COLLECT BOTTOMS UP SAMPLE FROM START OF TIME MILLING. LOTS OF SMALL ALUMINUM CUTTINGS ACROSS SHAKERS. 18:00 - 19:30 1.50 STKOH N DPRB 9,328.00 PROD1 INCREASE WOB AT 2'INTO MILLING OPERATION WHILE STILL TIME MILLING. GOOD DIRECTIONAL PATH OBSERVED ON DD SCREEN. CIRC PRESSURE 2620 PSI AT 2.6 BPM. MW IN 8.54 PPG,MW OUT 8.61 PPG. CALCULATE OFF OF BILLET AND DRILLING INTO HOLE AT 9144'. FEEL CONFIDENT THAT A GOOD KICK-OFF WAS OBTAINED. Printed 4/17/2012 10:59:39AM North America-ALASKA- BP Page 17 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:3/2/2010 End Date: 3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site: PB F Pad_Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32: 31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth ' Phase Description of Operations (hr) (ft) 19:30 - 22:30 3.00 DRILL N DPRB 9,328.00 PROD1 DRILLING AHEAD AT 2.65 BPM,2650 PSI. SEVERE VIBRATIONS MAKING DIRECTIONAL CONTROL ERRATIC,CANNOT GET GOOD SURVEY DATA. VARY PUMP,WOB, ROP PARAMETERS WITH LITTLE CHANGE IN VIBRATION. PUMP 15 BBL HI-VIS SWEEP AT 9170'. WORKING TO CONTROL VIBRATIONS. NO NOTICEABLE INCREASE OF CUTTINGS ACROSS SHAKER WITH RETURN OF SWEEP. SURVEY DATA NOT TRANSMITTING. 22:30 - 23:00 0.50 EVAL N DFAL PROD1 PICK UP HOLE SLOWLY TO TROUBLESHOOT MWD PACKAGE. DIAGNOSTICS SHOW GAMMA TOOL AND HOT HAVE FAILED. RUN BACK DOWN TO BOTTOM TO SEE IF ABLE TO GET CHECK SHOT SURVEY. FLOW CHECK ON BOTTOM,NO FLOW. 23:00 - 00:00 1.00 DRILL N DFAL PROD1 PULL UP SLOWLY PAST BILLET WITH NO ISSUES. PULL INTO WINDOW WITH A MINOR PRESSURE AND WEIGHT OBSERVATION; MOST LIKELY DUE TO MOTOR BEND. FLOW CHECK WELL, NO FLOW. OPEN EDC. PULL UP HOLE SLOWLY AT MAX PUMP RATE TO 8500'TO CLEAN 7"CASING. PULL INTO 4-1/2" TUBING,CONTINUE TO POH. 3/14/2012 00:00 - 01:00 1.00 DRILL N DFAL PROD1 POH TO CHANGE OUT MWD PACKAGE,BIT. FLOW CHECK AT 280'. CLOSE EDC. 01:00 - 02:15 1.25 DRILL N DFAL PROD1 PULL TO SURFACE. POP OFF,STAND BACK INJECTOR. LD BHA. BIT GRADE:3-3-BT WITH SEVERAL BROKEN TEETH ON THE NOSE AND GAUGE CUTTERS,WEAR IN BETWEEN GAUGE ROW CUTTERS,AND SOME PACKING IN JUNK SLOTS. MU BUILD BHA: HYCALOG 4.125"BI-CTR BIT,2-7/8"X-TREME MOTOR, HOT,DGS,DPS,EDC,POWERCOMMS,WEAR WUB,LQC,UQC,XO,CTC 02:15 - 05:45 3.50 DRILL N DFAL PROD1 STAB ON AND TEST QUICK TEST SUB. RIH WITH BHA. SHALLOW HOLE TEST MWD TOOLS. GOOD TEST. RIH WITH BHA. LOG TIE-IN AT 9000'WITH-11'CORRECTION. CONTINUE RIH. OBTAIN SLOW PUMP RATES. TAG BOTTOM,BEGIN DRILLING AHEAD. FREE SPIN OF 3050 PSI AT 2.60 BPM. 05:45 - 10:15 4.50 DRILL N DPRB 9,328.00 PROD1 DRILL AHEAD FROM 9188'TO 9300'. FREE SPIN=2.6-BPM/3050-PSI. DRILL WITH 100-300-PSI MOTOR WORK AND 1 -3.5K-LBS DHWOB. VIBRATION CONTINUES BETWEEN 3-6. VERY HARD TO GET SURVEYS. SEEING PERIODIC STALLS OVER INTERVAL. ROP FROM 20-60-FPH. AT START: IA/OA/PVT/ECD=640-PSI/ 460-PSI/258-BBLS/9.72-PPG. AT END: IA/OA/PVT/ECD=660-PSI/ 640-PSI/251-BBLS/9.79-PPG. 10:15 - 10:45 0.50 DRILL N DPRB 9,328.00 PROD1 WIPER TRIP FROM 9300'. CIRCULATE AT 2.5-BPM/2950-PSI. DROP PUMP RATE AND PULL SLOWLY PAST BILLET-NO ISSUES. VIBRATIONS ON TRIP TO WINDOW ARE 4-5. Printed 4/17/2012 10:59:39AM North America -ALASKA- BP Page 18 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:3/2/2010 End Date:3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site: PB F Pad_Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor: NORDIC CALISTA UWI: Active Datum: 32: 31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 10:45 - 11:15 0.50 DRILL N DPRB 9,328.00 PROD1 DRILL AHEAD FROM 9300'to 9328'. FREE SPIN=2.64-BPM/2950-PSI. DRILL AHEAD WITH 100-350-PSI MOTOR WORK AND 500-2K-LBS DHWOB. IA/OA/PVT/ECD=660-PSI/670-PSI/ 249-BBLS/9.76-PPG. 11:15 - 14:00 2.75 DRILL P PROD1 CONTINUE TO DRILL AHEAD FROM 9328'TO 9460'. FREE SPIN=2.64-BPM/2950-PSI. VIBRATION CONTINUES BETWEEN 4 AND 5 BUT ROP INCREASES AND ORIENTATION SMOOTHS OUT. VERY LARGE PERCENTAGE OF CHERT IN SAMPLES. DD CONTINUING TO BUILD ANGLE AND TURN LEFT. ROP SLOWS FROM 9400'TO 9420'-GEO SAYS PROBABLE 14N SHALE. MAKE BHA WIPER FROM 9400'. FREE SPIN= 2.5-BPM/2850-PSI. IA/OA/PVT/ECD=660-PSI/680-PSI/ 248-BBLS/9.78-PPG. IA/OA/PVT/ECD=680-PSI/790-PSI/ 247-BBLS/9.79-PPG. 14:00 - 14:30 0.50 DRILL PROD1 WIPER TO WINDOW. NO ISSUES ACROSS BILLET OR THROUGH WINDOW. 1 DD ASSESSES DIRECTIONAL WORK REMAINING IN BUILD SECTION AND ,CURRENT ASSEMBLY WILL NOT ACHIEVE THE PLANNED OBJECTIVES. _ 14:30 - 16:30 2.00 DRILL N DPRB PROD1 FLOW CHECK WELL-STATIC. OPEN EDC AND ESTABLISH CIRCULATION AT 3.1-BPM/3000-PSI. POH WITH BUILD BHA TO 200'. DISCUSS SITUATION WITH DD,GEO,ODE AND CTD SUPT. BHI DEVELOPING NEW DIRECTIONAL PLAN. CTS PREPARE TO COMPLETE A CADE OF NEW PLAN. 16:30 - 17:15 0.75 DRILL N DPRB ' PROD1 FLOW CHECK WELL-NO FLOW. HOLD PJSM ON LD BUILD BHA. UNSTAB INJECTOR AND SET BACK OVER CIRC HOLE. LD BUILD DRILLING BHA. GRADE BIT- 2-1-CT-A-X-I-BU-BHA. ONE JET WAS PLUGGED. 17:15 - 19:30 2.25 DRILL N DPRB PROD1 ESTABLISH CIRCULATION ACROSS THE TOP OF THE WELL. WAIT ON WELL PLAN TO PROCEED. REPLACE AND PRESSURE TEST DUAL FLAPPER CHECK VALVES. FLAPPER CHECKS REMOVED WERE IN VERY POOR CONDITION. ONE FLAPPER WAS COMPLETELY BROKEN OFF AND ONE FLAPPER WAS VERY LOOSE. 19:30 - 20:15 0.75 DRILL N DPRB PROD1 RECEIVE NEW DIRECTIONAL PLAN. REVIEW WITH GEOLOGIST AND DD ONSITE. DETERMINE MOTOR BEND TO ACHIEVE BUILD DLS. - Printed 4/17/2012 10:59:39AM North America-ALASKA- BP Page 19 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 3/2/2010 End Date: 3/23/2012 X3-0116P-C: (2,598,086.00) _ I Project:Prudhoe Bay Site:PB F Pad_Under Consolidation Rig Name/No.:NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32: 31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 20:15 - 21:00 0.75 DRILL N DPRB PROD1 PJSM ON BHA MU. MU BUILD BHA: HUGHES BI-CENTER BIT,BAKER ULTRA LOW SPEED MOTOR WITH 3.4°AKO, HOT, DGS, DPS, EDC, POWERCOMMS,WEAR SUB, LQC, UQC,XO, CTC. STAB ON WITH INJECTOR,PRESSURE TEST QUICK TEST SUB. OPEN EDC. 21:00 - 00:00 ' 3.00 DRILL N DPRB PROD1 RIH WITH NEW BUILD BHA. NO ISSUES PASSING BY THE GLM AT 5290'. CONDUCT TIE-IN LOG AT 9000'WITH-11.5' CORRECTION. CONTINUE TO RIH TO 9460'. 3/15/2012 00:00 - 01:00 1.00 DRILL N DPRB PROD1 CONTINUE RIH TO 9460'. OBTAIN SLOW I PUMP RATES. 01:00 - 03:15 2.25 DRILL P PROD1 'DRILL AHEAD IN BUILD SECTION. FREE SPIN OF 2650 PSI AT 2.6 BPM. -2.65-2.77 BPM,2820-3100 PSI, ECD OF 9.80 PPG,1.4-4.56 K WOB,AVERAGED 55 ROP, MW IN 8.60 PPG,MW OUT 8.64 PPG -MUCH LESS VIBRATION ON THIS RUN. SAMPLES SHOW ALMOST NO CHERT. DESIRED BUILD AND TURN REACHED;POH TO CHANGE MOTOR BEND TO ATTAIN 12° DLS -FLOW CHECK ON BOTTOM;NO FLOW 03:15 - 05:30 2.25 DRILL P PROD1 POH FOR BHA CHANGE. FLOW CHECK IN WINDOW;NO FLOW. OPEN EDC, POH. PJSM ON LAYING DOWN BHA. FLOW CHECK AT SURFACE. CLOSE EDC. 05:30 - 06:30 1.00 DRILL- P PROD1 PULL TO SURFACE. POP OFF INJECTOR, 'STAND BACK TO CIRCULATE. LD BHA. 06:30 - 08:45 2.25 DRILL P PROD1 CLEAN&CLEAR RIG FLOOR. DISCUSS PLAN FORWARD WITH GEO, DD& ODE. RECOMMEND 4-1/8"HUGHES BI-CENTER&1.5-DEG AKO ULS MOTOR. 08:45 - 09:15 0.50 DRILL P PROD1 HOLD PJSM ON MU DRILLING BHA#10. DISCUSS POSITIONS OF PEOPLE, COMPONENTS OF BHA AND FREEZE UP TIME FOR COIL. MU BHA#10. BHA CONSISTS OF 4-1/8" HUGHES RWD2ST3053.750QF BICENTER BIT, 1.5-DEG AKO ULS MOTOR, HOT, DGS, DPS, EDC, P&C,WEAR SUB, LQC, UQC,XO AND CTC. OAL=67.61'. 09:15 - 09:30 0.25 DRILL P PROD1 PU INJECTOR AND MU COIL TO BHA. 09:30 - 09:45 0.25 DRILL P PROD1 ESTABLISH CIRCULATION AT.48-BPM/ 890-PSI. TEST QTS TO 250-PSI/3500-PSI FOR 5-CHARTED MIN PER TEST. 09:45 - 11:30 1.75 DRILL P PROD1 RIH WITH DRILLING BHA#10. CIRCULATE AT.7-BPM/870-PSI THROUGH OPEN EDC. IA/OA=70-PSI/260-PSI. AS EDC PASSES TBG HOLES(-5760'ON CTDS DEPTH),SEE DROP IN RETURN RATE FOR-1-MIN(LOSE 2-BBLS)AND IA PRESSURE INCREASE TO 560-PSI. 11:30 - 12:00 0.50 DRILL P PROD1 CLOSE EDC&TIE IN TO RA TAG. APPLY-12'CORRECTION. 12:00 - 13:00 1.00 DRILL P PROD1 POH TO 8230'. LOG CCL DOWN FROM 8200'TO 8600'. Printed 4/17/2012 10:59:39AM North America -ALASKA- BP Page 20 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date:3/2/2010 End Date:3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site:PB F Pad_Under Consolidation Rig Name/No.:NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum: 32: 31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 13:00 - 14:00 1.00 DRILL P PROD1 CONTINUE TO MOVE COIL VERY SLOWLY CIRCULATING AT.2-BPM/960-PSI WHILE WAITING FOR 9.4-PPG MUD TO ARRIVE. IA/OA/PVT=500-PSI/300-PSI/233-BBLS. 14:00 - 16:45 2.75 DRILL P PROD1 WITH EMPTY CLEAN TRUCKS ON LOCATION, PREPARE FOR FLUID DISPLACEMENT. EMPTY PITS 3&4 AND CLEAN. WAIT FOR 2-LOADS OF 9.4-PPG MUD TO BE ON LOCATION. 16:45 - 17:45 1.00 DRILL P PROD1 SECOND LOAD OF 9.4-PPG MUD ON LOCATION. BEGIN RIH. PASS THROUGH WINDOW AND ACROSS BILLET WITHOUT ISSUE. 1650-HRS-NOTIFY AOGCC OF POTENTIALLY TESTING BOPE IN THE NEAR FUTURE. AOGCC REP,BOB NOBLE WAIVED STATE'S RIGHT TO WITNESS THE TEST UNLESS IT WE DO NOT TEST BOPE IN THE NEXT 3-DAYS. CIRCULATE AT 2.44-BPM/2460-PSI. NO ISSUES ON TRIP TO 9534'. 17:45 - 19:00 1.25 DRILL P PROD1 SLOWLY RECIPROCATE COIL WHILE CIRCULATING AT 2.6-BPM/2660-PSI UNTIL WELL SWAPPED COMPLETELY TO 9.4-PPG MUD. OBTAIN SLOW PUMP RATES CONDUCT WELL ORIENTATION WITH NEW INCOMING SLB CREW. IA/OA=660-PSI/275-PSI. 19:00 - 00:00 5.00 DRILL P ,PROD1 FREE SPIN OF 3000 PSI AT 2.67 BPM. DRILL AHEAD IN BUILD SECTION. -2.67-2.71 BPM,2830-3390 PSI,ECD 10.5 PPG, 1.18-3.88K WOB,MW IN 9.4 PPG,MW OUT 9.44 PPG -ENCOUNTER SHALE STRINGERS AT^9625'. SLOW ROP. MONITOR SHAKERS,GOOD AMOUNT OF SHALE COMING ACROSS. 3/16/2012 00:00 - 02:00 2.00 DRILL P PROD1 CONDUCT WIPER TRIP BEFORE ENTERING INTO 14N SHALE ZONE. WIPER TO WINDOW. OPEN EDC, CIRCULATE MAX RATE FROM WINDOW TO TOP OF 7"LINER AT 8500'. 02:00 - 05:30 3.50 DRILL P PROD1 BACK ON BOTTOM. NO ISSUES GETTING TO BOTTOM OR RUNNING PAST BILLET. FREE SPIN OF 2670 PSI AT 2.67 BPM. -SLOW DRILLING UP THROUGH ZONE 14N SHALES -2.66-2.73 BPM,2785-3125 PSI, ECD 10.48 PPG,.73-5.70 K WOB,MW IN 9.35 PPG,MW OUT 9.43 PPG 05:30 - 07:15 1.75 DRILL P PROD1 WIPER TRIP TO WINDOW. NO ISSUES NOTED ON WIPER TRIP. BLEED OA FROM 910-PSI TO 100-PSI. UPON SHUT IN,OA PRESSURE INCREASES IMMEDIATELY TO 710-PSI. IA PRESSURE STEADY AT 880-PSI. Printed 4/17/2012 10:59:39AM North America -ALASKA- BP Page 21 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:3/2/2010 End Date: 3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site: PB F Pad Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32: 31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 07:15 - 09:45 2.50 DRILL P PROD1 OBTAIN SPRS AND DRILL AHEAD FROM 9850' TO 10,000'. FREE SPIN=2.66-BPM/2800-PSI. DRILL AHEAD WITH 200-400-PSI MOTOR WORK AND 2-4K-LBS DHWOB. CONSISTENTLY GOOD ROP WITH SOME VERY FAST DRILLING. AT START, IA/OA/PVT/ECD=872-PSI/ 730-PSI/295-BBLS/10.5-PPG. AT END, IA/OA/PVT/ECD=880-PSI/ 810-PSI/292-BBLS/10.57-PPG. 09:45 - 10:45 1.00 DRILL ! P PROD1 WIPER TRIP FROM 10,000'TO WINDOW. CIRCULATE AT 2.8-BPM/2980-PSI. NO ISSUES ON TRIP TO WINDOW. 10:45 - 11:00 0.25 DRILL P PROD1 TIE INTO RA-TAG. APPLY+1.5 CORRECTION. 11:00 - 12:00 1.00 DRILL P rt PROD1 WIPER TRIP FROM WINDOW TO 10,000'. CIRCULATE AT 2.73-BPM/2870-PSI. LOST A TOTAL OF 4-BBLS DURING WIPER/ TIE-IN. I 12:00 - 14:00 2.00 DRILL P PROD1 DRILL AHEAD FROM 10,000'TO 10,150'. FREE SPIN=2.6-BPM/2710-PSI. LOSS RATE SLIGHTLY INCREASED TO— 6-BPH AT 10,002'AND THEN REDUCES TO NEGLIGIBLE AGAIN. DRILL AHEAD WITH 200-500-PSI MOTOR WORK AND 1 -3K-LBS DHWOB. VERY GOOD ROP. MAKE BHA WIPER AT 10,060'AND 10,090'. AT START,IA!OA/PVT/ECD=875-PSI/ 840-PSI/288-BBLS/10.51-PPG. 14:00 - 16:30 2.50 DRILL P PROD1 WIPER TRIP FROM 10,150'. !CIRCULATE AT 2.8-BPM/3020-PSI. ION TRIP BACK TO BOTTOM, SEE STALL AND SET DOWN AT 9607'. PU AND ADJUST TF TO AS DRILLED. PASS WITHOUT ISSUE. AT START OF WIPER, IA!OA=900-PSI/ 915-PSI. AT END OF WIPER,IA!OA=890-PSI/ 934-PSI. 16:30 - 18:30 2.00 DRILL P PROD1 DRILL AHEAD FROM 10,150'. FREE SPIN=2.7-BPM!2820-PSI. DRILL AHEAD WITH 200-500-PSI MOTOR WORK AND 1.5-3K-LBS DHWOB. CONTINUED HIGH ROP. MAKE BHA WIPER TRIP FROM 10,183'. OA PRESSURE INCREASES TO 950-PSI. BLEED DOWN TO 88-PSI. SHUT IN AND OA PRESSURE IMMEDIATELY RETURNS TO 702-PSI. BLED BACK A MIXTURE OF GAS AND FLUID. LOAD 23-JTS OF 1-1/4"CSH INTO PIPE SHED. LINER DELIVERED TO LOCATION. AT START, IA/OA/PVT/ECD=890-PSI/ 938-PSI/277-BBLS!10.57-PPG. DISCUSS DRILLING WITH GEO, DECIDE TO POH TO PU RESISTIVITY TOOL Printed 4/17/2012 10:59:39AM North America -ALASKA- BP Page 22 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 3/2/2010 End Date: 3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site: PB F Pad Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor: NORDIC CALISTA i UWI: Active Datum: 32: 31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 18:30 - 22:00 3.50 DRILL P PROD1 FLOW CHECK ON BOTTOM. NO FLOW. STICKY PU. POH FOR BHA CHANGE. NO ISSUES PULLING UP HOLE PULL INTO WINDOW. FLOW CHECK. GOOD OPEN EDC. CONTINUE POH SLOWLY THROUGH THE 7". PICK UP SPEED ONCE INTO 4-1/2". PJSM ON LAYING DOWN BHA. FLOW CHECK AT 200'. j NO FLOW. PULL TO SURFACE. -SIMOPS:BRING LINER INTO PIPE SHED 22:00 - 22:30 0.50 DRILL P PROD1 POP OFF WITH INJECTOR. SET INJECTOR TO SIDE TO CIRCULATE. LAY DOWN BHA. BIT GRADE: 1-1-NO-A-X-WT-BHA. SECURE WELL. 22:30 - 00:00 1.50 DRILL P PROD1 CONDUCT COIL MANAGEMENT. CHANGE OUT PACKOFFS. PUMP SLACK BACK. CUT I L50'OFCOIL. 3/17/2012 00:00 - 03:45 3.75 DRILL P PROD1 MU COIL TUBING CONNECTOR. PULL TEST TO 37K. PRESSURE TEST TO 3500 PSI. PUMP SLACK FORWARD,CUT 38'OF E-LINE. MAKE UP NOZZLE ASSEMBLY AND STAB ON TO WELL. JET STACK AGAINST CLOSED MASTER AND SWAB. POP OFF,MAKE UP COIL CONNECTOR AND HEAD UP COIL. CONDUCT MEG AND CONTINUITY TESTS. ALL GOOD. SET INJECTOR OVER BUNG HOLE AND CIRCULATE. 03:45 - 05:30 1.75 BOPSUR P PROD1 RU FOR BOP TEST. GREASE MANIFOLD, REMOVE CHECK VALVE IN KILL LINE,LAY OUT LINES. PRESSURE TEST AGAINST MASTER AND SWAB TO 250-PSI/3500-PSI FOR 5-CHARTED MINUTES PER TEST. OPEN DOORS AND INSPECT BLIND SHEARS. REPLACE BLADE SEAL. CLOSE DOORS. 05:30 - 06:00 0.50 DRILL P PROD1 RIG EVACUATION DRILL AND AAR. 06:00 - 07:00 1.00 DRILL P PROD1 PERFORM CREW CHANGE AND PRE-TOUR CHECKS. 07:00 - 10:00 3.00 BOPSUR P PROD1 OPEN BOPE DOORS AND INSPECT ALL RAMS. NO DEFICIENCIES NOTED AND NO REPLACEMENT MADE. 2-BARRIERS FOR OPEN BOPE DOORS ARE 1) STATIC COLUMN OF KILL WEIGHT(9.4-PPG) FLUID AND 2)CLOSED MASTER&SWAB VALVES WITH PRESSURE TEST. GREASE HCR VALVE. IA/OA=60-PSI/30-PSI AT 0700-HRS. IA/OA =0-PSI/35-PSI AT 0930-HRS. 10:00 - 10:30 0.50 BOPSUR P PROD1 HOLD PJSM ON FULL FUNCTION PRESSURE BOPE TEST. HIGHLIGHT ENTRY INTO AREAS GOVERNED BY 1502 EQUIPMENT MOC AND COMPLETE ADDITIONAL RISK ASSESSMENT. REVIEW PROCEDURE AND DISCUSS HAZARDS ASSOCIATED WITH HIGH PRESSURE TESTING AND VERY COLD WEATHER. FUNCTION BOP STACK FROM OPS CAB PANEL AND PERFORM ACCUMULATOR DRAWDOWN TEST. 10:30 - 11:30 1.00 BOPSUR P PROD1 FINISH RU TO PERFORM BOPE TEST. FLUID PACK BOP STACK AND CHOKE MANIFOLD. Printed 4/17/2012 10:59:39AM North America -ALASKA- BP Page 23 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 3/2/2010 End Date: 3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site: PB F Pad Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor: NORDIC CALISTA UWI: Active Datum:32: 31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 11:30 - 22:15 10.75 BOPSUR P PROD1 PERFORM BI-WEEKLY BOPE TEST TO 250-PSI /3500-PSI. USE 2-3/8"AND 3-1/2"TEST JTS. HOLD AND CHART EACH TEST FOR 5-MINUTES. TOOLPUSHER&WSL WITNESS ALL TESTS. AOGCC REP,BOB NOBLE,WAIVED STATE'S RIGHT TO WITNESS THE BOPE TEST. ATTEMPT TO TEST REEL HARD IRON AND INNER REEL VALVE,PRESSURE KEEPS DROPPING OFF. TAKING 650 PSI JUST TO BREAK CIRCULATION THEN BLEED OFF TO 300 PSI. HAVE TO BREAK CIRCULATION AND PUMP THROUGH COIL SEVERAL TIMES TO PREVENT COIL FROM FREEZING. PRESSURE TEST INJECTOR PACKOFFS,UPPER LUBRICATOR,AND INNER REEL VALVE GOOD. CLEAR AND CLEAN RIG FLOOR FROM BOP TEST. 22:15 - 00:00 1.75 EVAL P PROD1 PJSM ON INSTALLING AND PRESSURE TESTING BHI CHECK VALVES. PRESSURE TEST. MU NOZZLE ASSEMBLY TO COIL AND STAB ON. PRESSURE UP TO SEAT VALVES ON MUD PUMP#2. 3/18/2012 00:00 - 01:00 1.00 EVAL P PROD1 OPEN TO WELL, NO PRESSURE. FILL HOLE WITH 11 BBLS OF 9.4 PPG MUD. RIH TO 200' ITO ENSURE NO ICE PLUG(DOWN FOR OVER 24 HRS AT THIS POINT). NO ISSUES. POP OFF AND RE-MEG LINES TO ENSURE GOOD SIGNALS BEFORE MAKING UP BHA. PJSM ON BHA MU. 01:45 01:00 - 0.75 DRILL P PROD1 I MU LATERAL BHA:HCC 3.75"BY 4.125" 'BI-CTR BIT,2-7/8"ULTRA LOW SPEED MOTOR WITH 1.2°BEND, HOT, USMPR, DGS, DPS, EDC, POWERCOMMS,WEAR SUB, LQC, UQC, XO,CTC. STAB ON,PRESSURE TEST QUICK I I _ TEST SUB. 01:45 03:30 1.75 DRILL P PROD1 NO ISSUES RIH. MINOR LOSS OF CIRCULATION AND IA PRESSURE INCREASE AS BHA RAN BY TWO PUNCHES IN TUBING AT—5700'. THE PRESSURE INCREASES HAVE BEEN OBSERVED IN THE PAST BUT NOT THE LOSS OF FLUID. MOST LIKELY DUE TO HP OF MW INCREASE FROM 8.5 PPG TO 9.4 PPG. RETURNS CAME BACK IMMEDIATELY. RUNNING WEIGHT 16K,PUW 34K AT WINDOW. 03:30 - 07:45 4.25 EVAL P PROD1 LOG TIE-IN AT 9000'WITH-12'CORRECTION. CONTINUE TO LOG MADPASS OF OPEN HOLE 1 FROM 9000'TO 10,300'AT 450 FPH. OBTAIN SLOW PUMP RATES. 07:45 - 08:30 0.75 DRILL P PROD1 I DRILL AHEAD IN LATERAL SECTION FROM 10,300'TO 10,360'. FREE SPIN OF 2.67-BPM/2820-PSI. DRILL WITH 1 -3K-LBS DHWOB AND 200- 500-PSI MOTOR WORK. ROP GOOD AT 100-FPH. AT START, IA/OA/PVT/ECD=856-PSI/ 98-PSI/262-BBLS/10.52-PPG. Printed 4/17/2012 10:59:39AM North America -ALASKA- BP Page 24 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 3/2/2010 End Date: 3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site: PB F Pad_Under Consolidation Rig Name/No: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor NORDIC CALISTA UWI: Active Datum:32: 31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 08:30 - 11:15 2.75 DRILL P PROD1 PU TO RESET BH(TOOLS(DHWOB READING INCONSISTENTLY)AND CANNOT MOVE COIL UP OR DOWN. WORK COIL TWICE-DHWOB SENSOR RESPONDING. ABLE TO CIRCULATE AT FULL DRILLING RATE AND FULL RETURNS. NOTIFY CTD SUPT AND ODE OF SITUATION. ORDER 50-BBLS 7.0-PPG MINERAL OIL. PUMP 30-BBL HI VIS SWEEP AT 2.8-BPM/ 3020-PSI. NO INCREASE IN CUTTINGS NOTED AHEAD OF SWEEP AND NOTHING UNUSUAL OBSERVED WHEN SWEEP RETURNS. ALLOW WELL TO RELAX WITH PUMPS OFF FOR 20-MIN. SET DOWN ALL WEIGHT AND PU TO MAX PULL. NOT FREE. MINERAL OIL ARRIVES ON LOCATION. REPEAT RELAXATION SEQUENCE WITHOUT FREEING PIPE. DISCUSS PUMPING MINERAL OIL WITH CTD SUPT WHO DISCUSSES IT WITH WTL. 20-BBLS OF MINERAL OIL WILL REDUCE HYDROSTATIC PRESSURE BY—260-PSI. THIS LEAVES 920-PSI OVERBALANCE TO ANTICIPATED FORMATION PRESSURE. 11:15 - 13:00 ! 1.75 DRILL ' P PROD1 HOLD PJSM ON PUMPING MINERAL OIL WITH RIG TEAM. DISCUSS HYDROSTATIC PRESSURE REDUCTION,ORDER OF I I ' OPERATIONS AND PROPER LINE UP. PUMP 20-BBLS 6.9-PPG MINERAL OIL AT 1.08-BPM/1212-PSI, INCREASING RATE TO 2.1-BPM/2050-PSI. CHASE MINERAL OIL AT 2.06-BPM/2120-PSI. PU TO PUT COIL IN TENSION WITH 20K-LB OVERPULL. REDUCE PUMP RATE TO 1-BPM/1530-PSI AS MINERAL OIL TURNS THE CORNER. SHUT DOWN PUMP WITH 10-BBLS MINERAL OIL IN OPEN HOLE&ALLOW WELL TO RELAX. SET DOWN ALL WEIGHT AND PU. COIL COMES FREE AT 25K-LB OVERPULL. 13:00 - 15:00 2.00 DRILL P PROD1 WIPER TRIP TO WINDOW. CIRCULATE AT 2.8-BPM/3100-PSI. ONCE PIPE IS FREE SEE LOSS RATE AT —12-BPH SLOWLY REDUCING TO NEGLIGIBLE. DUMP 35-BBLS MINERAL OIL&INTERFACE. TIE IN TO RA TAG. APPLY+11'CORRECTION. WIPER BACK TO BOTTOM. SEE SET DOWN AND STALL AT 9635'. PU, REDUCE PUMP RATE AND PASS WITHOUT ISSUE. WT CHECK AT 10,352'. PU WT=38K-LBS, RIH WT= 14K-LBS. AT START, IA/OA/PVT/ECD=775-PSI/ 205-PSI/284-BBLS/10.27-PPG. AT END, IA/OA/PVT/ECD=865-PSI/ 290-PSI/245-BBLS/10.49-PPG. Printed 4/17/2012 10:59:39AM North America-ALASKA- BP Page 25 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:3/2/2010 End Date: 3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site: PB F Pad Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32: 31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 15:00 - 17:30 2.50 DRILL P PROD1 DRILL AHEAD FROM 10,360'TO 10,500'. FREE SPIN=2.66-BPM/2780-PSI. 1 DRILL AHEAD WITH GOOD ROP,1 -3K-LBS DHWOB,AND 200-400-PSI MOTOR WORK. SEE STICKY PICK-UP AT 10,445'. MAKE BHA WIPER TRIP. TEST 2-3/8"TIW VALVE TO 250-PSI/3500-PSI FOR 5-CHARTED MINUTES PER TEST. AT START,IA/OA/PVT/ECD=850-PSI/ 300-PSI/246-BBLS/10.46-PPG. AT END, IA/OA/PVT/ECD=870-PSI/ 430-PSI/241-BBLS/10.52-PPG. 17:30 - 22:00 4.50 DRILL P PROD1 WIPER TRIP FROM 10,500'. CIRCULATE AT 2.95-BPM/3100-PSI. NO ISSUES ON THE WIPER TO NOTE. PULL INTO WINDOW,FLOW CHECK. GOOD. OPEN 1 EDC AND PUMP AT MAX RATE TO FLUSH 7" CASING UP TO 4-1/2"LINER POINT AT 8500'. RUN BACK DOWN TO WINDOW AND LOG TIE-IN AT 9000'WITH-1'CORRECTION. CONTINUE WITH TRIP IN. ONE STICKY SPOT AT 9450'BUT NOT TROUBLESOME. NO OTHER ISSUES. OBTAIN SLOW PUMP RATES AT TD. 22:00 - 00:00 2.00 DRILL P PROD1 ON BOTTOM AT 10,500' FREE SPIN OF 2750 PSI AT 2.68 BPM. -2.67-2.70 BPM,3135-3320 PSI, ECD 10.58 PPG,1.64-2.62 K WOB,MW IN 9.34 PPG,MW OUT 9.45 PPG -LIMITED ROP TO 120 FPH TO ENSURE PROPER HOLE CLEANING -SHALE STRINGER AT 10,610'PRETTY TOUGH TO DRILL THROUGH 3/19/2012 00:00 - 02:15 2.25 DRILL P PROD1 WIPER TRIP TO WINDOW. PICK UP GOOD. ONE NOTED STICKY SPOT AT 9718'; CORRELATES TO SHALE STRINGER ON MWD LOG. NO ISSUES PAST BILLET. TURN AROUND GOOD, NO STICKING. NO ISSUES I !RUNNING DOWN PAST 9718'. 5 BBLS LOST ON WIPER TRIP. Printed 4/17/2012 10:59:39AM North America-ALASKA- BP Page 26 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:3/2/2010 End Date: 3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site: PB F Pad Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 02:15 - 05:30 3.25 DRILL P PROD1 FREE SPIN OF 2760 PSI AT 2.63 BPM. -2.7-2.76 BPM,3300-3460 PSI, ECD 10.5-10.7 PPG,2.12-5.2 K WOB,MW IN 9.37 PPG,MW OUT 9.47 PPG -MAINTAINING ROP OF 120 FPH TO ENSURE PROPER HOLE CLEANING -BEGINNING TO HAVE WEIGHT TRANSFER ISSUES AT 10,678'. PUMP 20 BBL(OH VOLUME)CLEAN 9.4 PPG MUD, HELPED WITH WEIGHT TRANSFER AND MOTOR WORK. PUMP 40 MORE BBLS OF CLEAN MUD FOLLOWED BY 15 BBL HI-VIS PILL AT 10,717' WITH POSITIVE EFFECT. DRILLING PICKED UP. SEEING MORE MOTOR WORK, ROP HAS JUMPED UP. -GAMMA IS SHOWING SHALE SPIKE AT 10,675'. BOTTOMS UP FROM 10,650' INDICATES SANDSTONE WITH TRACE OF SHALE. -DRILLING HAS PICKED UP WITH GOOD WOB,MOTOR WORK -RETURN OF HI-VIS PILL HAS INCREASE OF 25%OF CUTTINGS -SAMPLE FROM 10,700'IS ALMOST 100% CHERT,ATTRIBUTABLE TO EARLIER SLOW — DRILLING 05:30 - 08:30 3.00 DRILL P PROD1 WIPER TRIP TO WINDOW. NO ISSUES NOTED ON TRIP TO WINDOW. DROP RATE ACROSS BILLET AND THROUGH WINDOW. FLOW CHECK INSIDE WINDOW. OPEN EDC AND JET 7"CSG AT 3.2-BPM/ 2880-PSI. NO NOTABLE INCREASE IN _ CUTTINGS FROM JETTING OPERATIONS. 08:30 - 09:00 0.50 DRILL P PROD1 ,CLOSE EDC. REDUCE PUMP RATE TO .25-BPM/880-PSI. ILOG TIE IN TO RA TAG. ..- APPLY+3.5'CORRECTION. 09:00 - 10:30 1.50 DRILL P PROD1 WIPER TRIP BACK TO BOTTOM. CIRCULATE AT 1.3-BPM/1500-PSI. AT 9725', PAST MAJOR SHALES,INCREASE RATE TO 2.73-BPM/3000-PSI. NO ISSUES NOTED ON WIPER TRIP. OBTAIN SPRS. AT START, IA/OA=800-PSI/630-PSI. PVT= 242-BBLS. AT END, IA/OA=900-PSI/620-PSI. PVT= 247-BBLS. 10:30 - 12:00 1.50 DRILL P PROD1 DRILL AHEAD FROM 10,800'TO 10,813' FREE SPIN=2.67-BPM/2870-PSI&2.5-BPM/ 2680-PSI. HAVE TROUBLE GETTING STARTED DRILLING. REDUCE RATE TO 2.5-BPM, NO CHANGE PUMP 10-BBL NEW MUD SWEEP, NO CHANGE. AT START, IA/OA/PVT/ECD=900-PSI/ 630-PSI/247-BBLS/10.63-PPG. AT END, IA/OA/PVT/ECD=860-PSI/ 640-PSI/256-BBLS(10-BBLS NEW MUD PUMPED)/10.54-PPG. Printed 4/17/2012 10:59:39AM North America -ALASKA- BP Page 27 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:3/2/2010 End Date:3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site: PB F Pad Under Consolidation Rig Name/No.:NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum 32: 31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 12.00 - 13.30 1.50 DRILL P PROD1 'WIPER TRIP TO WINDOW WHILE WAITING FOR SUFFICIENT NEW 9.4-PPG MUD TO ARRIVE. CIRCULATE AT 2.9-BPM/3200-PSI. SEE 9718'SHALE. REDUCE PUMP RATE TO 1-BPM AND ORIENT TO AS DRILLED TOOLFACE(40-DEG OUT ON INITIAL ATTEMPT)AND PASS WITHOUT ISSUE. 480-BBLS 9.4-PPG MUD ON TWO TRUCKS AND 2-EMPTY CLEAN TRUCKS ON LOCATION AT 1300-HRS. STAGE TRUCKS AND MOVE EQUIPMENT TO PREP FOR MUD SWAP. 13.30 - 14:00 0.50 DRILL P PROD1 DROP PUMP RATE AND PULL THROUGH WINDOW WITHOUT ISSUE. OPEN EDC AND CIRCULATE AT 1-BPM. PERFORM CREW CHANGE. 14:00 - 15:30 1.50 DRILL P PROD1 CLOSE EDC,PASS THROUGH WINDOW,AND WIPER BACK TO BOTTOM. CIRCULATE AT 1-BPM/1300-PSI THROUGH 9800'. INCREASE RATE TO 1.73-BPM/1890-PSI. BEGIN PUMPING NEW 9.4-PPG MUD DOWN COIL AT 10,500',TIMED TO HAVE NEW MUD TURN THE CORNER WHEN ON BOTTOM. IA/OA=790-PSI/600-PSI. 15:30 - 16:30 1.00 DRILL P PROD1 SLOWLY RECIPROCATE COIL WHILE FINISHING DISPLACING WELL TO NEW 9.4-PPG MUD. CIRCULATE AT 2.67-BPM/3190-PSI. JUST PRIOR TO GETTING NEW MUD BACK TO SURFACE, PUMP#2 SHOWS RATE OF 2.6-BPM BUT IN MM RATE DROPS TO 1.76-BPM. SHUT DOWN PUMP#2 AND SWAP TO PUMP#1. 16:30 - 18:00 1.50 DRILL N PROD1 POH TO WINDOW IN ORDER TO TROUBLESHOOT PUMP#2. CIRCULATE AT 2.1-BPM/2260-PSI. SEE SLIGHT OVERPULLS&MOTOR WORK AT 9710'SHALE AND 9550'. _ IA/OA=800-PSI/400-PSI. 18:00 - 20:30 2.50 EVAL N PROD1 PULL THROUGH WINDOW WITHOUT ISSUE. FLOW CHECK WELL-NO FLOW. OPEN EDC. CONTINUE TROUBLESHOOTING PUMP, INSPECTING SCREENS. NOTHING TO REPORT ON PUMPS, NO REPAIR DONE. PUT BACK TOGETHER, BRING PUMP UP TO RATE TO TEST EFFICIENCY. IN AND OUT LOOK GOOD. BRING TO MAX RATE,ALL GOOD. PREPARE TO RIH. 20:30 - 22:30 2.00 DRILL N PROD1 CLOSE EDC. LOG TIE-IN WITH+2.5' CORRECTION. CONTINUE TO RIH WITH NO ISSUES. OBTAIN SLOW PUMP RATES AT TD. Printed 4/17/2012 10:59:39AM North America-ALASKA- BP Page 28 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:3/2/2010 End Date: 3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe BaySite:PB F Pad_Under Consolidation Rig Name/No.:NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32: 31 9/3/1986 00:00©66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 22:30 - 00:00 1.50 DRILL P PROD1 BACK ON BOTTOM. FREE SPIN OF 2780 PSI AT 2.69 BPM. -2.69-2.80 BPM,3290-3390 PSI. ECD 10.53 PPG,3-45-5 95 K WOB, MW IN 9.36 PPG;MW OUT 9.4 PPG -CONDUCTED KICK WHILE DRILLING DRILL WHILE DOWN ONE MAN. GOOD REACTION BY CREW. ONE COMMENT IN AAR IS THAT IT WAS BAD TIMING SINCE STRING HAD BEEN DIFFERETIALLY STUCK EARLIER IN THE WELL. IN COMPLIANCE WITH THE COMPLEX DRILLS AND CONDUCTING REALISTIC DRILLS INITIATIVE, BRIEFED CREW THAT, BARRING WELL CONTROL OR IMPENDING STICKING MECHANISMS,THERE IS NO"OPPORTUNE" TIME TO CONDUCT A DRILL AND THAT ALL REACTIONS NEED TO BE ACCORDING TO OUR STANDING ORDERS. -COMMENT FROM SEVERAL PEOPLE WAS 'THAT THIS WAS THE MOST REALISTIC DRILL THEY HAD REACTED TO,WHICH IS THE GOAL 3/20/2012 00:00 - 00:45 0.75 DRILL P PROD1 DRILL AHEAD IN LATERAL. FREE SPIN 2780 PSI AT 2.69 BPM. 2.74 BPM,3300 PSI,ECD 10.55 PPG,3.94K WOB,MW IN 9.35 PPG,MW OUT 9.43 PPG 00:45 - 03:15 2.50 DRILL P PROD1 WIPER TO WINDOW. NO ISSUES TO WINDOW. TURNAROUND CLEAN. RUN BACK DOWN CLEAN. 03:15 - 05:15 2.00 DRILL P PROD1 DRILL AHEAD FROM 10,950'. FREE SPIN 2890 PSI AT 2.70 BPM. -2.70-2.76 BPM,3120-3175 PSI, ECD 10.57 PPG,3.23-3.45 K WOB,MW IN 9.34 PPG,MW OUT 9.39 PPG -LOST 4 BBLS DURING WIPER AND DRILLING THIS SECTION 05:15 - 07:00 1.75 DRILL P PROD1 WIPER TRIP TO WINDOW CIRCULATE AT 2.87-BPM/3120-PSI. CLEAN TRIP TO WINDOW. DROP PUMP RATE&PULL THROUGH WINDOW WITHOUT ISSUE. IA/OA=890-PSI/640-PSI. 07:00 - 08:00 1.00 DRILL P PROD1 FLOW CHECK-NO FLOW. OPEN EDC AND BEGIN JETTING 7"CSG WITH 3-BPM/2700-PSI. 08:00 - 08:30 0.50 DRILL P ' PROD1 CLOSE EDC&LOG TIE IN. APPLY+3.5'CORRECTION. 08:30 - 10:15 1.75 DRILL P PROD1 WIPER BACK TO BOTTOM. CIRCULATE AT 1-BPM/1400-PSI THROUGH 9700'. INCREASE PUMP RATE TO 2.8-BPM/ 3150-PSI. NO ISSUES NOTED ON TRIP. OBTAIN SPRS AT 11,000' IA/OA=910-PSI/625-PSI. Printed 4/17/2012 10:59:39AM North America -ALASKA- BP Page 29 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:3/2/2010 End Date:3/23/2012 X3-0116P-C: (2,598,086.00) Project: Prudhoe Bay Site:PB F Pad_Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 10:15 - 12:45 2.50 DRILL P PROD1 DRILL AHEAD FROM 11,100'. FREE SPIN AT 2.7-BPM/2980-PSI. INITIALLY CHALLENGING TO DRILL AHEAD, INCREASE RATE TO 2.9-BPM/3350-PSI AND ABLE TO DRILL. DRILL AHEAD WITH 2-5K-LBS DHWOB AND 100-400-PSI MOTOR WORK. BUILDING ANGLE WHILE DD IS TRYING TO DROP. VARY PUMP RATES&RUNNING SPEED BUT UNABLE TO MAKE PROGRESS PAST 11,193'. AT START,IA/OA/PVT/ECD=890-PSI/ 640-PSI/237-BBLS/10.63-PPG. 12:45 - 14:00 1.25 DRILL P PROD1 POH,CIRCULATING AT 2.75-BPM/2980-PSI. NO ISSUES ON TRIP. DROP PUMP TO MIN RATE ACROSS BILLET AND THROUGH WINDOW-NO ISSUES. FLOW CHECK WELL-NO FLOW. OPEN EDC. IA/OA=890-PSI/740-PSI. 14:00 - 16:00 2.00 DRILL P PROD1 POH WITH LATERAL DRILLING BHA. CIRCULATE AT 2.86-BPM/2530-PSI. FLOW CHECK AT 200'. NO FLOW. IA/OA=870-PSI/730-PSI. 16:00 - 16:30 0.50 DRILL P PROD1 PJSM ON LD BHA. DISCUSS POSITIONS OF PEOPLE,WELL CONTROL CONSIDERATIONS AND TOOLS THAT NEED TO BE LAID DOWN. UNSTAB INJECTOR AND SET BACK OVER CIRC HOLE. BLOW DOWN TOOLSTRING. LD LATERAL BHA#11. GRADE BIT 5:1:WT IA/OA/PVT=490-PSI/650-PSI/172-BBLS ,16:30 - 17:45 1.25 EVAL P PROD1 BRING PDS TOOLS TO RIG FLOOR AND PREPARE TO RUN MEMORY CALIPER. 17:45 - 18:00 0.25 EVAL P PROD1 MU PDS 40-ARM MEMORY CALIPER BHA. OAL=59.27' TOOL 5-HR COUNTDOWN BEGINS AT 117:50-HRS(CTDS TIME) MU BHA TO COIL&STAB ON INJECTOR HEAD. 18:00 - 18:40 0.67 EVAL P PROD1 TEST QTS TO 250-PSI/3500-PSI. IA/OA=370-PSI/390-PSI. 18:40 - 20:55 2.25 EVAL P PROD1 RIH @ 70FPM. 20:55 - 21:20 0.42 EVAL P PROD1 RIH TO 8,990'AND SLOW DOWN TO 1.6FPM. LOG FOR TIE-IN TO RA-TAG IN WHIPSTOCK. APPLY-11 FT DEPTH CORRECTION TO 19,010.85' 21:20 - 22:20 1.00 EVAL P PROD1 CONTINUE RIH TO 9,850'. CALIPER WILL OPEN AT 22:50HRS, KEEP RIH TO 10,000'AND TIME OUT THAT WE ARE BACK TO DEPTH AT 22:45HRS. 22:20 - 22:50 0.50 EVAL P PROD1 PU AT 3FPM AND PULL TO 9,850'. 22:50 - 23:05 0.25 EVAL P PROD1 WAIT FOR CALIPER TO OPEN. 23:05 - 00:00 0.92 EVAL P PROD1 START POOH TO 8,300'WHILST PERFORMING CALIPER-LOG.LOG UP AT 30 FPM AND PUMP AT MINIMUM RATE. 3/21/2012 00:00 - 00:10 0.17 EVAL P PROD1 CONTINUE PULLING UP AT 30FPM PAST 8,300'. Printed 4/17/2012 10:59:39AM North America -ALASKA- BP Page 30 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:3/2/2010 End Date:3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site:PB F Pad Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 00:10 - 00:35 0.42 EVAL P PROD1 PERFORM FLOWCHECK-OBTAIN A GOOD NO-FLOW. 00:35 - 01:50 1.25 EVAL P PROD1 CONTINUE POOH. MM IN-1.76BPM/MM-OUT 1.21 BPM INDICATING LOSSES OF-2BBLS/HR. IA-781 PSI/OA-239PSI MEANWHILE HOLD MGS-TABLE TOP DRILL WITH NORDIC-CREWS. 01:50 - 02:15 0.42 EVAL P PROD1 PERFORM FLOWCHECK BEFORE PULLING TO SURFACE-OBTAIN A GOOD NO-FLOW. 02:15 - 03:00 0.75 EVAL P PROD1 PULL TO SURFACE,POP OFF INJECTOR AND STAND INJECTOR TO SIDE. LD BHA#12.INSPECT 40-ARM CALIPER, ARMS ARE ALL CLOSED AND NO ARM IS DAMAGED OR MISSING.DOWNLOAD DATA. 03:00 - 04:15 1.25 DRILL P PROD1 M/U BHA#13 WITH AGITATOR,1.4 AKO ULS X-TREME MOTOR AND HYC 3-3/4"GAUGE BIT. REMOVE DFCV AND INSTALL BLANKS IN UQC. STAB ON INJECTOR AND TEST QTS TO 300PSV5MIN AND 3,500PSI/5MIN. 04:15 - 04:20 0.08 DRILL P PROD1 RIH AND TEST AGITATOR. PVT=161BBLS. TAKE RATE UP TO-2.5BPM AND NOTICE CLEAR INDICATION FOR AGITATOR WORKING. CONTINUE RIH. 04:20 - 05:50 1.50 DRILL P PROD1 RIH WITH BHA#13. MM IN-0.31 BPM/MM-OUT 0.83BPM INDICATING LOSSES OF-2BBLS/HR. IA-588PSI/OA-160PSI. 05:50 06:15 0.42 DRILL P PROD1 RIH TO 8,990'AND SLOW DOWN TO 1.8FPM. LOG FOR TIE-IN TO RA-TAG IN WHIPSTOCK. APPLY-10.5FT DEPTH CORRECTION. 06:15 - 08:00 1.75 DRILL P PROD1 CONTINUE TO RIH. NO ISSUES ON TRIP BACK TO BOTTOM. OBTAIN SPRS. IA/OA=810-PSI!190-PSI. 08:00 - 09:45 1.75 DRILL P PROD1 DRILL AHEAD FROM 11,188'TO 11,300'. FREE SPIN=2.66-BPM/3220-PSI. DRILL AHEAD WITH 150-400-PSI MOTOR WORK AND 1.5-3KLBS DHWOB. AVG ROP= 80-FPH. SEE 20K-LB OVERPULL ON PU AT 11,280'. MAKE BHA WIPER TRIP. AT START, IA/OA/PVT/ECD=890-PSI/ 270-PSI/214-BBLS/10.65-PPG. AT END, IA/OA/PVT/ECD=925-PSI/ 440-PSI/210-BBLS/10.7-PPG. 09:45 - 13:00 3.25 DRILL P PROD1 WIPER TRIP TO WINDOW FROM 11,300'. CIRCULATE AT 2.9-BPM/3720-PSI. REDUCE RATE ACROSS BILLET. REDUCE RATE TO 1.3-BPM/1860-PSI THROUGH 9700'ON TRIP BACK TO BOTTOM. NO ISSUES NOTED ON TRIP. Printed 4/17/2012 11:31:57AM North America -ALASKA- BP Page 31 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date:3/2/2010 End Date:3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site:PB F Pad_Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: _ Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 13:00 - 15:00 2.00 DRILL P PROD1 DRILL AHEAD FROM 11,300' FREE SPIN=2.7-BPM/3320-PSI. BHA WIPER TRIP FROM 11,360', 11,380', 11,415'. AT START,IA/OA/PVT/ECD=920-PSI/ 590-PSI/206-BBLS/10.73-PPG. AT END,IA/OA/PVT/ECD=940-PSI/ 600-PSI/262-BBLS(BROUGHT ON 70-BBLS TO PITS)/10.85-PPG. 15:00 - 18:30 3.50 DRILL P PROD1 PERFORM 2ND WIPER TRIP TO WINDOW FROM 11,450'. CIRCULATE AT 2.94-BPM/3670-PSI. ;IA/OA=930-PSI/650-PSI. 18:30 - 19:30 1.00 DRILL P PROD1 DRILLING AHEAD FROM 11,450'DOING BHA-WIPER TRIPS LATEST EVERY 50'. MM IN/MM OUT=2.72BPM/2.65BPM 'CIRC PRESSURE=3,505PSI ROP/WOB=156FPHR/0.60K LBS IA/OA/PVT/ECD=924-PSI/724-PSI/ 253-BBLS/10.80-PPG. ALSO ESTABLISH SCR'S AT 1 BPM AND 0.5BPM. 19:30 - 19:50 0.33 DRILL r P PROD1 DRILLING AHEAD FROM 11,550'. CIRC PRESSURE=3,468PSI , ROP/WOB=130FPHR/1.45K LBS 19:50 - 21:45 1.92 DRILL P PROD1 PERFORM 3RD WIPER TRIP TO WINDOW FROM 11,600'. CIRCULATE AT 2.8-BPM/3,516-PSI AND POOH SLOWLY AT 18FPM IN NEWLY DRILLED SECTION TO IMPROVE SWEEPING. ORIENT TOOLFACE TO AS-DRILLED AND SLOW DOWN PUMPS WHEN PULLING ACROSS BILLET AND WINDOW. 21:45 - 22:10 0.42 DRILL P PROD1 OPEN EDC AND FLOWCHECK WELL- ACHIEVE GOOD NO-FLO. 22:10 - 22:30 0.33 DRILL P PROD1 PULL INTO 4.5"TGB AND PUMP AT HIGH RATE(3.5BPM)FOR HOLE CLEAN-OUT. 22:30 - 22:40 0.17 DRILL P PROD1 CLOSE EDC. 22:40 - 23:00 0.33 DRILL P PROD1 LOG FOR TIE-IN TO RA-TAG IN WHIPSTOCK AND APPLY+10FT DEPTH CORRECTION. 23:00 - 00:00 1.00 DRILL P PROD1 CONTINUE RIH.SLOW DOWN PUMPS AT BILLET. MM IN/MM OUT=2.50BPM/2.60BPM CIRC PRESSURE=3,105PSI IA/OA/PVT=930-PSI/793-PSI/234-BBLS. 3/22/2012 00:00 - 00:35 0.58 DRILL P PROD1 COMPLETE RIH. 00:35 - 01:30 0.92 DRILL P PROD1 CONTINUE DRILLING AHEAD FROM 11,600' AND PERFORM BHA-WIPER TRIPS EVERY -50FT. MM IN/MM OUT=2.64BPM/2.58BPM CIRC PRESSURE=3,464PSI ROP/WOB=131 FPHR/2.82K LBS IA/OA/PVT/ECD=919-PSI/822-PSI/ 239-BBLS/10.80-PPG. 01:30 - 02:45 1.25 DRILL P PROD1 DRILLING AHEAD FROM 11,670'. MM IN/MM OUT=2.65BPM/2.59BPM CIRC PRESSURE=3,395PSI ROP/WOB= 142FPHR/1.08K LBS IA/OA/PVT/ECD=928-PSI/853-PSI/ 237-BBLS/10.86-PPG. Printed 4/17/2012 11:31:57AM North America -ALASKA- BP Page 32 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:3/2/2010 End Date:3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site:PB F Pad_Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor: NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 02:45 - 04:15 1.50 DRILL P PROD1 PERFORM 1ST WIPER TRIP TO WINDOW FROM 11,750'. POOH AT 24FPM AND CIRCULATE AT 2.60-BPM/3,226-PSI FREESPIN. IA/OA=916-PSI/905-PSI. 04:15 - 04:20 0.08 DRILL P PROD1 SLOW DOWN PUMPS WHEN RUNNING PAST BILLET.PU TO WINDOW. _ 04:20 - 06:30 2.17 DRILL P PROD1 TURN AROUND AND RIH. SLOW DOWN PUMPS WHEN RUNNING PAST BILLET. 06:30 - 09:00 2.50 DRILL P PROD1 PBRFORM CREW CHANGE AND REVIEW PLAN FORWARD WITH GEO,ASSET,ODE, CTD SUPT,DD AND WELL PLANNER. WIPER AT 2.7-BPM/3400-PSI. BLEED OA FROM 970-PSI. OPEN UP AND PRESSURE IMMEDIATELY DROPS TO 110-PSI. ALLOW TO BLEED MIX OF GAS AND FLUID FOR 2-MINUTES. SHUT IN AND PRESSURE IMMEDIATELY JUMPS TO 775-PSI. 09:00 - 10:00 1.00 DRILL P PROD1 DISCUSSION BETWEEN ASSET AND ODE ONGOING. BRING 110-BBLS NEW 9.4-PPG MUD INTO PITS AND BLEND WITH CURRENT MUD. CONTINUE TO MOVE COIL SLOWLY, CIRCULATING AT 2.78-BPM/3550-PSI. IA/OA=960-PSI/840-PSI. 10:00 - 10:10 0.17 DRILL P PROD1 WIPER BACK TO BOTTOM AT 30-FPM. 10:10 - 12:45 2.58 DRILL P PROD1 DRILL AHEAD FROM 11,750'TO 11,900'. FREE SPIN=2.67-BPM/3420-PSI. DRILL AHEAD WITH 100-300-PSI MOTOR WORK AND 1.5-4K-LBS DHWOB. BUILDING ANGLE TO GET ABOVE TAR/MHO. ROP VARIABLE-STARTING AT 140-FPH AND DECREASING TO 40-FPH. MW IN=9.36-PPG. MW OUT=9.42-PPG. AT START, IA/OA/PVT/ECD=940-PSI/ 860-PSI/308-BBLS/10.91-PPG. AT END, IA/OA/PVT/ECD=960-PSI/ 750-PSI/300-BBLS/10.98-PPG. 12:45 - 14:45 2.00 DRILL P PROD1 WIPER TRIP FROM 11,900'. CIRCULATE AT 2.9-BPM/3850-PSI. IA/OA=970-PSI/775-PSI. 14:45 - 15:00 0.25 DRILL P PROD1 LOG TIE IN TO RA TAG. APPLY+7'CORRECTION. IA/OA=815-PSI/800-PSI. 15:00 - 17:00 2.00 DRILL P PROD1 WIPER BACK TO BOTTOM. CIRCULATE AT 2.06-BPM/2600-PSI. SEE STALL&SET DOWN AT 11,618'(SHALE). REDUCE RATE TO 1-BPM AND WORK PAST. CONTINUE RIH&SET DOWN AT 11,720' (RAPID HOLE ANGLE CHANGE). CHANGE ORIENTATION TO 115-DEG AND ABLE TO PASS. CONTINUE TO RIH AND TAG BOTTOM AT 11,906'. PU AND MAKE BHA WIPER BEFORE DRILLING AHEAD. IA/OA=935-PSI/780-PSI. Printed 4/17/2012 11:31:57AM North America -ALASKA- BP Page 33 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date: 3/2/2010 End Date: 3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay Site:PB F Pad_Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32 31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task ' Code NPT NPT Depth Phase Description of Operations (hr) (ft) 17:00 - 18:30 1.50 DRILL P PROD1 DRILL AHEAD FROM 11,900'. FREE SPIN=2.7-BPM/3530-PSI. SOME CHALLENGES GETTING STARTED BUT ABLE TO DRILL WITH 1.5-4K-LBS DHWOB AND 150-300-PSI MOTOR WORK. AGITATOR WORKING SPORADICALLY? AT START,IA/OA/PVT/ECD=980-PSI/ 780-PSI/288-BBLS/11.01-PPG. 18:30 - 18:45 ' 0.25 DRILL P PROD1 DRILLING AHEAD FROM 11,980'. MM IN/MM OUT=2.75BPM/2.69BPM CIRC PRESSURE=3,768PSI ROP/WOB=92FPHR/2.33K LBS IA/OA/PVT/ECD=953-PSI/830-PSI/ 283-BBLS/10.99-PPG. 18:45 - 19:20 0.58 DRILL P PROD1 'PU AND PERFORM BHA-WIPER FOR SLB CREW CHANGE. STRUGGLE TO GET DOWN TO BOTTOM around 11,940'. PU AND DO WIPER TO 11,700'.RUN BACK IN HOLE AND MANAGE TO GET BACK TO TD. 19:20 - 19:50 0.50 DRILL P PROD1 DRILLING AHEAD TO 12,008'. MM IN/MM OUT=2.73BPM/2.65BPM CIRC PRESSURE=3,776PSI ROP/WOB=104FPHR/3.57K LBS IA/OA/PVT/ECD=933-PSI/850-PSI/ 280-BBLS/10.94-PPG. 19:50 - 20:05 0.25 DRILL P ' PROD1 OBTAIN SCR'S. 20:05 - 20:20 0.25 DRILL P PROD1 DRILLING AHEAD FROM 12,008'. DRILL TO 12,020'AND CALL TD. 20:20 - 20:30 0.17 DRILL P PROD1 PU FOR BHA WIPER. 20:30 - 20:50 0.33 DRILL P PROD1 RUN BACK IN HOLE AND START PUMPING 2OBBLS HIGH VIS PILL DOWN THE COIL. 20:50 - 22:50 2.00 DRILL P PROD1 PUMP PILL OUT OF NOZZLE. PU OFF BOTTOM AND PERFORM FLOWCHECK.ACHIEVE GOOD NO-FLO. POOH PULLING 24FPM. 22:50 - 23:15 0.42 DRILL P PROD1 PULL THROUGH BILLET.SLOW DOWN PUMPS AND ORIENT TOOL FACE TO"AS DRILLED". PULL FURTHER INTO 7"CSG.OPEN EDC AND FLOWCHECK WELL AGAIN-OBTAIN GOOD NO-FLO. 23:15 - 23:40 0.42 DRILL P PROD1 PULL INTO 4.5"TBG PUMPING AT 3.3BPM. 23:40 - 00:00 0.33 DRILL P PROD1 RIH FOR TIE-IN.CLOSE EDC,CONTINUE RIH. SLOW DOWN PUMPS AND ORIENT TOOL FACE TO"AS DRILLED"WHEN RUNNING THROUGH WINDOW AND BILLET. 3/23/2012 00:00 - 00:25 0.42 DRILL P PROD1 RIH AND LOG FOR TIE-IN;APPLY+5FT CORRECTION. 00:25 - 02:00 1.58 DRILL P PROD1 CONTINUE RIH TO TD.TAG TD AT 12,020'. 02:00 - 03:30 1.50 DRILL P PROD1 COMMENCE POOH, LAYING IN4OBBLS OF LINER RUNNING PILL FOLLOWED BY 25BBLS NEW MUD(THIS PLACES ALL NEW FLUIDS IN THE WHOLE OH-SECTION). SLOW DOWN PUMPS AND ORIENT TOOL FACE TO"AS DRILLED"WHEN RUNNING THROUGH WINDOW AND BILLET. 03:30 - 03:40 0.17 DRILL P PROD1 OPEN EDC AND FLOW CHECK WELL.OBTAIN GOOD NO-FLO. Printed 4/17/2012 11:31:57AM North America -ALASKA- BP Page 34 of 34 Operation Summary Report Common Well Name: F-31 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:3/2/2010 End Date:3/23/2012 X3-0116P-C: (2,598,086.00) Project:Prudhoe Bay 'Site:PB F Pad_Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth ' Phase Description of Operations (hr) (ft) 03:40 - 05:15 1.58 DRILL P PROD1 CONTINUE POOH. STOP AND PAINT WHITE'TD“-FLAG AT 8,200' EOP-DEPTH. STOP AND PAINT WHITE"WINDOW-FLAG AT 5,150'EOP-DEPTH. CONTINUE POOH. 05:15 - 05:30 0.25 DRILL P PROD1 FLOW CHECK WELL.ACHIEVE GOOD NO-FLO. MEANWHILE HOLD PJSM FOR LD BHA. 05:30 - 05:50 0.33 DRILL P PROD1 PULL BHA TO SURFACE. 05:50 - 06:15 0.42 DRILL P PROD1 POP INJECTOR AND LD BHA#13. BIT GRADE:4-2-CT-N-X-I-ER-TD 06:15 07:00 0.75 BOPSUR P PR'OD1 MU SWIZZLE STICK&STAB ON WELL. JET BOP STACK AT 2.2-BPM/1930-PSI. Printed 4/17/2012 11:31:57AM North America -ALASKA- BP Page 1 of 17 Operation Summary Report Common Well Name: F-31 AFE No Event Type:COM-ONSHORE(CON) Start Date:3/23/2012 End Date: 3/31/2012 X3-0116P-C: (1,205,389.00) Project:Prudhoe Bay Site:PB F Pad Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 3/23/2012 07:00 - 08:15 1.25 CASING P RUNPRD REMOVE BHI LQC&UQC. BOOT E-LINE. HOLD PJSM ON PUMPING E-LINE SLACK OUT OF COIL. MU 2-JTS OF 2-3/8"PH6 AND STAB ON WELL. PUMP AT 3.6-BPM/3000-PSI. HEAR E-LINE MOVING. SURGE PUMPS UP TO 4.5-BPM THREE TIMES. 'UNSTAB INJECTOR AND LD PH6. RECOVER 250'OF E-LINE(OF 280' ANTICIPATED). FLAT SPOT ABOVE CTC. CUT 6'OF COIL. 08:15 - 09:00 0.75 CASING P RUNPRD INSTALL BTT CTC. PULL TEST TO 35K-LBS. PRESSURE TEST TO 4000-PSI-GOOD TEST. IA/OA/PVT=330-PSI I 243-PSI/234-BBLS. 09:00 - 10:00 1.00 CASING P RUNPRD MU BALL CATCHER SUB. STAB ON WELL&POSITION TO GET INTO BALL DROP POSITION. CIRCULATE AT 2.57-BPM/1975-PSI. WSL, BTT REP&NORDIC DRILLER CONFIRM LINER LAYOUT AND NUMBER IN PIPE SHED. HEAR BALL MOVING IN REEL HOUSE. LANDS AT 47.8-BBLS PUMPED WITH PUMP PRESSURE INCREASE TO 2050-PSI. UNSTAB INJECTOR&RECOVER 3/4"BALL. SET INJECTOR BACK OVER CIRC HOLE. 10:00 - 10:30 0.50 BOPSUR P_ RUNPRD FUNCTION TEST BOPE FROM CTS OPS CAB STATION. GOOD TEST. 10:30 - 11:00 0.50 CASING P RUNPRD HOLD PJSM ON RU TO RUN LINER. SET INJECTOR BACK OVER CIRC HOLE ON LEGS. RU TO RUN 2-7/8"STL X 3-3/16"TCII X 3-1/2" STL LINER. BRING ALL SMALL LINER COMPONENTS& RUNNING TOOLS TO RIG FLOOR. RU FARR TONGS. MU SAFETY JOINT AND HANDLING PUPS. IA/OA/PVT=200-PSI/130-PSI/231-BBLS. 11:00 - 18:00 7.00 CASING P RUNPRD HOLD PJSM ON RUNNING LINER. HIGHLIGHT RUNNING ORDER, POSITIONS OF PEOPLE AND WELL CONTROL CONSIDERATIONS. RIH WITH 2-7/8"STL L80 X 3-3/16"TCII W/ 3-1/4"L80 TUBE BODY X 3-1.2"STL L80 PRODUCTION LINER PER RUNNING ORDER. DRIFT FIRST 5 2-7/8"STL CONNECTIONS WITH DRIFT-NO ISSUES. FILL LINER EVER 20-JTS RUN. HOLD KICK WHILE TRIPPING DRILL. GOOD CREW RESPONSE. AT 1200-HRS, IA/OA= 120-PSI/80-PSI. AT 1730-HRS, IA/OA=0-PSI/50-PSI. 18:00 - 20:00 2.00 CASING P RUNPRD CONTINUE MU 3-3/16"TCII-LINER.MU 3-1/4"X 2-7/8 XOVER AND MU SINGLE 3-1/2"JOINT. 20:00 - 20:25 0.42 CASING P RUNPRD INSTALL SAFETY JOINT,CLSOE BAG AND FILL LINER WITH MUD VIA- Printed 4/17/2012 11:28:09AM North America -ALASKA- BP Page 2 of 17 Operation Summary Report Common Well Name:F-31 AFE No Event Type: COM-ONSHORE(CON) Start Date:3/23/2012 End Date: 3/31/2012 X3-0116P-C: (1,205,389.00) Project:Prudhoe Bay Site:PB F Pad_Under Consolidation Rig Name/No.:NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 20:25 - 20:30 0.08 CASING N SFAL RUNPRD GET READY TO PULL SAFETY JOINT TO MU NIPPLE AND BTT LINER RUNNING TOOLS. FAILED TO OPEN BAG AND SHEARED OFF 1 LINER FROM SAFETY JOINT. LINER FELL DOWN TUBING. ELEVATING IA-PRESSURES TO 2,100PSI.PRESSURE IMMEDIATELY DROPPED OF AND LEVELLED OFF AT 500PSI. 20:30 - 20:45 0.25 CASING N SFAL RUNPRD CLOSE SWAB VALVE(23-1/2 TURNS)AND MASTER VALVE(23-1/2 TURNS).INSTALLED NIGHT CAP. 20:45 - 21:20 0.58 CASING N SFAL RUNPRD PRESSURE TEST NIGHT CAP AGAINST CLOSED SWAB TO 300P51/5 MINS LOW AND 3,500PSI/5MIN HIGH.ACHIEVE GOOD TEST. WELL IS SECURE! 21:20 - 21:30 0.17 CASING N SFAL RUNPRD CALL CTD SUPERINTENDENT AND NOTIFY. 21:30 - 00:00 2.50 CASING N SFAL RUNPRD NOTIFY WTL AND ODE. START INVESTIGATION OF INCIDENT AND DISCUSS PLAN FORWARD. 3/24/2012 00:00 - 01:45 1.75 CASING N SFAL RUNPRD HOLD PJSM AND PERFORM LOW PRESSURE TESTS TO 300PSI AND HIGH PRESSURE TESTS TO 3,500PSI ON SWAB VALVE AND MASTER VALVE.THIS ESTABLISHES 2 SEPARATELY TESTED BARRIERS FOR INSPECTING THE ANNULAR FOR DAMAGE. CLOSE BLINDS TO ENSURE NO OBJECTS CAN DROP ONTO TREE VALVES. 01:45 - 03:00 1.25 CASING N SFAL RUNPRD PULL MUD BUCKET AND PULL RISER. INSPECT ANNULAR(BAG)FOR ANY DAMAGE NOTHING FOUND. 03:00 - 03:30 0.50 CASING N SFAL RUNPRD RE-INSTALL MUD BUCKET AND RISER. 03:30 - 04:15 0.75 BOPSUR N SFAL RUNPRD 'PERFORM FULL BODY PRESSURE-TEST ON SHELL TO 300PSI/5MIN AND 3,500PSI/5 MIN. 04:15 - 05:30 1.25 BOPSUR N SFAL RUNPRD PRESSURE-TEST ANNULAR WITH TEST-JOINT INSIDE TO 300PSI/5MIN AND 3,500PSI/5 MIN. 05:30 - 07:15 1.75 CASING N SFAL RUNPRD CONTINUE INVESTIGATION AND PERFORM CREW CHANGE. 07:15 - 08:15 1.00 WHSUR N SFAL RUNPRD HOLD PJSM ON TESTING NIGHT CAP AND OPENING WELL UP TO ESTABLISH CIRCULATION ACROSS THE TOP. DISCUSS ORDER OF OPERATIONS,WELL CONTROL CONSIDERATIONS AND THE IMPORTANCE OF GOOD COMMUNICATION. TEST NIGHT CAP AGAINST CLOSED MASTER &SWAB TO 250-PSI LOW/3500-PSI HIGH. HOLD AND CHART EACH TEST FOR 5-MINUTES. GOOD TESTS. IA/OA= 190-PSI/40-PSI. Printed 4/17/2012 11:28:09AM North America -ALASKA- BP Page 3 of 17 Operation Summary Report Common Well Name: F-31 AFE No Event Type:COM-ONSHORE(CON) Start Date:3/23/2012 End Date: 3/31/2012 X3-0116P-C: (1,205,389.00) Project:Prudhoe Bay Site:PB F Pad Under Consolidation Rig Name/No.:NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (ft) _ (hr) 08:15 - 13:00 4.75 CASING N SFAL RUNPRD OPEN MASTER&SWAB TO CLOSED CHOKE. 0-PSI ON WELL. FILL WELL-TOOK 8-BBLS TO SEE POSITIVE WELLHEAD PRESSURE INDICATING WELL IS FULL. OPEN CHOKE AND ESTABLISH CIRCULATION ACROSS TOP OF WELL. NORDIC REVIEWING LINER RUNNING PROCEDURE&SAFETY JOINT USAGE. DISCUSS AND DEVELOP PLAN FORWARD WITH WTL,ODE, BTT REPS AND RIG TEAM. HAVE JT OF 2-3/8"STL LINER W/ CEMENTRALIZER DELIVERED TO LOCATION FOR USAGE AS SAFETY JOINT. IA/OA=530-PSI/40-PSI. 13:00 - 15:30 2.50 FISH N SFAL RUNPRD RECIEVE APPROVAL FROM WTL FOR RIG TO RETURN TO WORK. FINISH UPDATING TUBULAR HANDLING • PROCEDURE. REMOVE COVERS FROM RIG FLOOR BOPE CONTROL PANEL EXCEPT FOR BLIND SHEAR RAM CONTROLS. MU NEW SAFETY JOINT. BRING ON MUD TO PITS FOR ADDITIONAL ,VOLUME AND PERF PILL. REVIEW UPDATED NORDIC"PROCEDURE FOR PICKING UP PIPE AND TUBULARS". CONTINUE CIRCULATING ACROSS THE TOP OF THE WELL AT.4-BPM/800-PSI. 15:30 - 16:30 1.00 FISH N •SFAL RUNPRD CALL OUT BTT FOR FISHING BHA. REVIEW BHA FOR ATTEMPTING TO FISH LINER. 16:30 - 17:00 0.50 FISH N SFAL RUNPRD BRING BTT TOOLS TO RIG FLOOR AND PREP TO PU BHA. HOLD PJSM ON MU BHA&RETURN TO WORK. DISCUSS TOOLS,ORDER OF MU AND POSITIONS OF PEOPLE. ALSO DISCUSS CHANGES MADE DURING INVESTIGATION AND RESOLUTION. 17:00 - 17:45 ' 0.75 FISH N SFAL RUNPRD MU BTT 2-3/8"REG CTC. PULL TEST TO 40K-LBS&PT TO 250-PSI/ 3500-PSI. GOOD TESTS. 17:45 - 18:15 0.50 FISH N SFAL RUNPRD BENCH TEST BTT DBPV TO 250-PSI/ 3500-PSI. HOLD AND CHART EACH TEST FOR 5-MINUTES. GOOD TESTS. RD TEST EQUIPMENT. 18:15 - 18:45 0.50 FISH N SFAL RUNPRD PERFORM CREW CHANGE. 18:45 - 19:15 0.50 FISH N SFAL RUNPRD HOLD PJSM WITH ONCOMING CREW ABOUT MU FISHING BHA(BHA#15). MU FISHING BHA PER BTT. BHA CONSISTS OF SHORT CATCH OVERSHOT,5K-PSI RUPTURE SUB,3/4"HYD DISCONNECT, JAR, 5'WEIGHT BAR,INTENSIFIER,DBPV,XO, 2-JTS OF 2-3/8"PH6,XO,LOCKABLE SWIVEL, XO, CTC. OAL=92.93' MU COIL TO BHA&STAB ON INJECTOR. 19:15 - 19:30 0.25 FISH N SFAL ' RUNPRD PRESSURE-TEST QTS. Printed 4/17/2012 11:28:09AM North America -ALASKA- BP Page 4 of 17 Operation Summary Report Common Well Name: F-31 AFE No Event Type: COM-ONSHORE(CON) Start Date: 3/23/2012 End Date:3/31/2012 X3-0116P-C: (1,205,389.00) Project:Prudhoe Bay Site: PB F Pad Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: ,Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 19:30 - 21:15 1.75 FISH N SFAL RUNPRD RIH WITH BHA#15 AT 60FPM TO FISH DROPPED LINER. WEIGHT CHECK @ 2,000'-4K LBS WEIGHT CHECK @ 4,000'-12K LBS _ 21:15 - 22:15 1.00 FISH N SFAL RUNPRD SLOW DOWN TO 35FPM RIH-SPEED. WEIGHT CHECK @ 5,700'-19K LBS WEIGHT CHECK @ 6,000'-20K LBS WEIGHT CHECK @ 6,500'-23K LBS WEIGHT CHECK @ 7,000'-25,5K LBS WEIGHT CHECK @ 7,500'-27K LBS 22:15 - 22:30 0.25 FISH N SFAL RUNPRD LOOSE WEIGHT AT 7,640'.SIT DOWN WITH -14.5K LBS TO ENGAGE THE SPIRAL GRAPPLE. CALCULATE MAX PUW TO BE 53K LBS. PU AND SEE 52K LBS PUW,PULL TO 7,628'. ESTABLISH CIRCULATION-PUMP DOWN COIL UNTIL RETURNS ARE SEEN AT SURFACE. 22:30 - 23:15 0.75 FISH N SFAL RUNPRD START POOH @ 13FPM,PUMPING @ 0.5BPM, SEEING 49K LBS PUW. PUMP 0.57BPM IN-MM,0.48BPM OUT-MM. 23:15 - 00:00 0.75 FISH N SFAL RUNPRD j POOH @ 14FPM,SEEING 49K LBS PUW. PUMP 0.55BPM IN-MM,0.46BPM OUT-MM (FULL RETURNS). 3/25/2012 00:00 - 00:15 0.25 FISH N SFAL RUNPRD CONTINUE POOH AT 13FPM 00:15 - 02:00 1.75 FISH N SFAL RUNPRD AT 6,000'THE BOTTOM OF THE DROPPED LINER IS PAST THE>40DEG DOGLEGS,SO INCREASE SPEED TO-30FPM. 02:00 - 02:27 0.45 FISH N SFAL RUNPRD CONTINUE POOH AT 30FPM WITH-35K LBS PUW. MEANWHILE, HOLD PJSM FOR LD FISHING BHA AND LINER. DISCUSS RISK OF LOSING FISH WHEN BREAKING CONNECTIONS/ HANDLING BHA. 02:27 - 04:00 , 1.55 FISH N SFAL RUNPRD FLOWCHECK WELL.OBTAIN GOOD NO-FLO. NOTICE LOADS OF SCALE ON SHAKER, POSSIBLE SCRATCHED OFF BY DROPPED LINER? 04:00 - 05:45 1.75 FISH N SFAL RUNPRD PULL TO SURFACE.POP OFF INJECTOR AND LD FISHING TOOLS STRING(BHA#15). OVERSHOT WITH GRAPPLE IS FIRMLY ENGAGED WITH 3-1/2"LINER.SECURE 3-1/2" LINER WITH SLIPS AND COLLAR WHILE BREAKING DOWN FISHING TOOLS. 05:45 - 11:30 5.75 FISH N SFAL RUNPRD LD LINER. LAY DOWN IN PIPESHED FOR INSPECTION. AT CREW CHANGE, HOLD PJSM ON LAYING DOWN LINER. CREW INSPECTS& IDENTIFIES POTENTIALLY DAMAGED CONNECTIONS-ONLY 2 SEEN IN 3-3/16"TCII. FILL BACKSIDE OF WELL EVERY 5-JTS PULLED. IA/OA=415-PSI/45-PSI. Printed 4/17/2012 11:28:09AM North America -ALASKA- BP Page 5 of 17 Operation Summary Report Common Well Name: F-31 AFE No Event Type:COM-ONSHORE(CON) Start Date:3/23/2012 End Date: 3/31/2012 X3-0116P-C: (1,205,389.00) Project: Prudhoe Bay Site:PB F Pad_Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: !Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 11:30 - 12:00 0.50 FISH N SFAL RUNPRD HOLD UNANNOUNCED KICK WHILE TRIPPING LINER DRILL. EXCELLENT CREW RESPONSE WHILE MOTORMAN WAS FILLING IN ON BRAKE. HOLD AAR. REVIEWED STANDING ORDERS, HOW TO HANDLE THE LINER JT IN THE ELEVATORS WHEN THE SIMULATED GAIN WAS DETECTED,DISCUSSED PATH FORWARD AFTER SHUT IN,AND CLARIFIED COMMUNCATION AFTER SHUT IN (ROUSTABOUT ARRIVED AT AAR BELIEVING AN ACTUAL GAIN HAD TAKEN PLACE). 12:00 - 14:00 2.00 FISH N SFAL RUNPRD !CONTINUE TO POH&LD LAST 25-JTS OF 2-7/8"LINER TO PIPE SHED. PERIODICALLY SEE SPIRALLING MARKS ON 2-7/8"PIPE BODIES. KNICKS NOTED IN CEMENTRALIZERS ON LAST 3-FULL JTS OF PIPE. FLOATS ALLOW PIPE TO DRAIN. NOTHING OF NOTE ON INDEXING SHOE. 14:00 - 14:30 0.50 FISH N SFAL RUNPRD CLEAN&CLEAR RIG FLOOR. NEW LINER ARRIVES ON LOCATION. CTS CHANGE OUT INJECTOR PACKOFF. 14:30 - 16:30 2.00 FISH N SFAL RUNPRD HOLD PJSM ON UNLOADING PIPE SHED. DISCUSS DROPPED OBJECT POTENTIALS& MITIGATIONS, POSITIONS OF PEOPLE& APPROPRIATE PPE AND COMMUNCATION. UNLOAD RETRIEVED LINER TO BE CHECKED FOR NORM AND SENT TO API FOR INSPECTION. 16:30 - 18:00 1.50 CONDHL N SFAL RUNPRD HOLD PJSM ON PUMPING E-LINE SLACK INTO REEL. CLOSE SWAB&SSV. PU INJECTOR&CUT OFF CTC. REBOOT E-LINE. REVERSE 35-BBLS FRESH WATER INTO COIL, STARTING AT.6-BPM&INCREASING RATE TO 3.6-BPM. SURGE SEVERAL TIMES BUT DO NOT HEAR E-LINE MOVING. SHUT DOWN PUMP,BLEED PRESSURE OFF& UNSTAB INJECTOR. NO E-LINE VISIBLE. STAB BACK ON. REVERSE AT 3.8-BPM/3000-PSI AND HEAR E-LINE MOVING. FULLY DISPLACE COIL TO FRESH WATER. SHUT DOWN PUMP AND BLOW AIR BACK THROUGH COIL TO VOID—1300'OF COIL. 18:00 - 18:15 0.25 CONDHL N SFAL RUNPRD UNSTAB INJECTOR,BREAKING LUBRICATOR ABOVE QTS AND&MU HYDRAULIC CUTTER. CUT 280'OF COIL-NO WIRE FOUND. _ RD HYDRAULIC CUTTER. 18:15 - 19:00 0.75 CONDHL N SFAL RUNPRD MANUALLY CUT END OF COIL,DRESS COIL& MU SLB CTC. PULL TEST CONNECTOR TO 35K-LBS. GOOD TEST. 19:00 - 19:30 0.50 CONDHL N SFAL RUNPRD PERFORM CREW CHANGE AND DISCUSS PLAN FORWARD 19:30 - 19:45 0.25 CONDHL N SFAL RUNPRD PERFORM PRESSURE-TEST CTC TO 500PSI/ 5MIN AND 3,500PSI/5MIN. 19:45 - 20:00 0.25 CONDHL N SFAL RUNPRD MU SWIZZLE STICK ON STINGER AND STAB ON INJECTOR. PUMP SLACK FORWARD WITH WATER. Printed 4/17/2012 11:28:09AM North America -ALASKA- BP Page 6 of 17 Operation Summary Report Common Well Name:F-31 AFE No Event Type:COM-ONSHORE(CON) Start Date:3/23/2012 End Date:3/31/2012 X3-0116P-C: (1,205,389.00) Project:Prudhoe Bay Site:PB F Pad Under Consolidation Rig Name/No.:NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 20:00 - 20:30 0.50 CONDHL N SFAL RUNPRD CIRCULATE IN 9.4 MUD TO DISPLACE FRESH WATER OUT OF COIL. 20:30 - 21:15 0.75 CONDHL N SFAL RUNPRD PRESSURE-TEST PACK-OFFS AND QTS-CONNECTION TO 300PSI/5MIN AND 3,500PSI/5MIN. 21:15 - 21:30 0.25 CONDHL N SFAL RUNPRD OPEN UP SSV AND SWAB(23.5 TURNS). FILL UP WELL WITH 1BBL. 21:30 - 22:40 1.17 CONDHL N SFAL RUNPRD POP OFF INJCTOR. MAG-TEST ELINE CABLE AND RE-HEAD BHI. 22:40 - 23:00 0.33 CONDHL N SFAL RUNPRD PRESSURE-TEST BHI UQC TO 500PSI/5MIN AND 3,500PSI/5MIN. 23:00 - 23:30 0.50 CONDHL N SFAL RUNPRD IM/1.1 BHA#16 WITH 3.750"GAUGED HYC BIT. 23:30 - 00:00 0.50 CONDHL N SFAL RUNPRD STAB ON INJECTOR AND COMMENCE PRESSURE-TESTING QTS TO 500PSI/5MIN AND 3,500PSI/5MIN. PUMP SLACK FORWARD. 3/26/2012 00:00 - 00:15 0.25 CONDHL N SFAL RUNPRD COMPLETE PRESSURE-TESTING QTS TO 500PSI/5MIN AND 3,500PSI/5MIN. FINISH WITH PUMPING SLACK FORWARD. 00:15 - 00:30 0.25 CONDHL N SFAL RUNPRD START RIH WITH BHA#16. 00:30 - 01:15 0.75 CONDHL N SFAL RUNPRD HOLD"KICK WHILE TRIPPING"DRILL: •Set off pit level alarm •Flowcheck well •Shut in well on pack-offs •Close HCR •Line up to choke •Open HCR •Read SICP(SIWHP) •Roll pump get SITP(SICTP) •Simulate notification calls •Fill in kick sheet •Start pumping whilst holding SICP(SIWHP) •When up to speed, hold SITP(SICTP)on choke •Simulate 1st circulation •Simulate 2nd circulation •Hold AAR 01:15 - 01:40 0.42 CONDHL N SFAL RUNPRD HOLD H2S EVAC DRILL. ALL CREWS AND TRUCK DRIVER MUSTERED WITHIN 5MINUTES. 01:40 - 02:55 1.25 CONDHL N SFAL RUNPRD CONTINUE RIH. 02:55 - 03:30 0.58 CONDHL N SFAL RUNPRD SLOW DOWN FOR LOGGING TIE-IN TO RA-TAG. APPLY-14'CORRECTION AND CLOSE EDC. 03:30 05:00 1.50 CONDHL N SFAL RUNPRD CONTINUE RIH. 05:00 - 05:20 0.33 CONDHL N SFAL RUNPRD CONTINUE RIH. HAVE NOT NOTICED ANY HOLD-UP OR MOTORWORK,HOWEVER SEE MANY SOLIDS(THOUGH MOSTLY POLYMERS FROM MUD)COMING OVER THE SHAKER. IA-966PS1/OA-83PS1. 05:20 - 11:00 5.67 CONDHL N SFAL I RUNPRD TAG TD AT 12,019'. PU AND CIRCULATE BOTTOMS UP TO CLEAN-OUT WELLBORE. 11:00 - 12:45 1.75 CONDHL N SFAL RUNPRD POH FROM TD LAYING IN 9.4-PPG LINER RUNNING PILL WITH 2-PPB ALPINE BEADS. HOLE IN EXCELLENT SHAPE. NO-ISSUES Printed 4/17/2012 11:28:09AM North America -ALASKA- BP Page 7 of 17 Operation Summary Report Common Well Name: F-31 AFE No Event Type:COM-ONSHORE(CON) Start Date: 3/23/2012 End Date: 3/31/2012 X3-0116P-C: (1,205,389.00) Project:Prudhoe Bay Site: PB F Pad_Under Consolidation Rig Name/No.:NORDIC 1 I Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 12:45 - 14:30 1.75 CONDHL N SFAL RUNPRD DROP PUMP RATE,PULL THROUGH WINDOW -NO ISSUES. STOP ABOVE WINDOW AND PERFORM NO FLOW CHECK-NO FLOW. OPEN EDC&ESTABLISH CIRCULATION AT 3-BPM/3000-PSI. STOP AND PAINT YELLOW FLAG AT 8200' EOP MEASUREMENT. IA/OA=910-PSI/170-PSI. 14:30 - 15:00 , 0.50 CONDHL N SFAL RUNPRD STOP AT 300'AND FLOW CHECK WELL-NO FLOW. CLOSE EDC. HOLD PJSM WITH RIG CREW. DISCUSS POSITIONS OF PEOPLE,ORDER OF OPERATIONS,WELL CONTROL CNOSIDERATIONS AND"CHECK 5 FOR NON-WELL CONTROL BOP OPERATIONS". REVIEW PROCEDURE AND ADD DETAIL AROUND BLOWING DOWN BHI TOOLSTRING. IA/OA=445-PSI/180-PSI. 15:00 - 15:45 0.75 CONDHL N SFAL RUNPRD UNSTAB INJECTOR&SET BACK OVER CIRC HOLE. BLOW DOWN BHI TOOLS. LD BHI TOOL STRING. ,GRADE BIT: 1-1-RR 15:45 - 17:30 1.75 BOPSUR N SFAL RUNPRD FILL WELL WITH 1.5-BBLS MUD. CLOSE MASTER&SWAB VALVE. HOLD PJSM ON TESTING INJECTOR PACKOFF. TEST INJECTOR PACKOFF TO 250-PSI LOW/ 3500-PSI HIGH FOR 5-CHARTED MIN PER TEST. GOOD TEST HOLD AAR. IA/OA=470-PSI/120-PSI. " 17:30 - 19:20 1.83 CASING N SFALRUNPRD REMOVE UQC&CUT OFF SLB CTC. BOOT E-LINE. 19:20 - 19:35 0.25 CASING N SFAL RUNPRD STAB ON INJECTOR AND PRESSURE-TEST QTS TO 300PSI/5MIN LOW AND 3,500PSI/ 5MIN HIGH. 19:35 - 20:30 0.92 CASING N SFAL RUNPRD PUMP OUT E-LINE SLACK.CUT OFF 248' E-LINE. 20:30 - 21:00 0.50 CASING N SFAL RUNPRD PERFORM NORDIC CREW CHANGE. BRIEFED NEW CREW ON DROPPED LINER INCIDENT,1502-MOC AND PRESSURE-TESTING EXPECTATIONS. 21:00 - 22:00 1.00 CASING N SFAL RUNPRD MU BTT CTC AND PRESSURE-TEST SAME. MU SWIZZLE STICK AND 6'PUP. 22:00 - 22:30 0.50 CASING N SFAL RUNPRD LOAD 3/4"DRIFT BALL IN COIL AND LAUNCH. HEAR BALL ROLLING.BALL RUNS OVER GOOSENECK WITH 45.5BBLS PUMPED. PUMP 64BBLS IN TOTAL. 22:30 - 22:45 0.25 CASING N SFAL RUNPRD POP OFF INJECTOR AND B/OUT NOZZLE. 22:45 - 23:00 0.25 CASING N SFAL RUNPRD PREP RIGFLOOR AND HANDLING EQUIPMENT FOR RUNNING LINER. 23:00 - 23:30 0.50 CASING N SFAL RUNPRD HOLD PSJM WITH ALL CREWS. DISCUSS UPDATED"PROCEDURE FOR PICKING UP PIPE AND TUBULARS"AND REVIEW WHEN AND HOW TO FILL LINER JOINTS. Printed 4/17/2012 11:28:09AM North America -ALASKA- BP Page 8 of 17 Operation Summary Report Common Well Name: F-31 AFE No Event Type:COM-ONSHORE(CON) Start Date:3/23/2012 End Date:3/31/2012 X3-0116P-C: (1,205,389.00) Project:Prudhoe Bay Site:PB F Pad_Under Consolidation Rig Name/No.:NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 23:30 - 00:00 0.50 CASING N SFAL RUNPRD CONTINUE PREPARING HANDLING EQUIPMENT. INSPECT JEWELLERY(GUIDESHOE, FLOATS, LATCH&STAGE COLLARS AND DEPLOYMENT SLEEVE+SELRT) 3/27/2012 00:00 - 00:40 0.67 CASING N SFAL RUNPRD COMMENCE MU LINER AS PER RUNNING TALLY. MU 2-7/8 GUIDE SHOE, FLOAT COLLAR,2-7/8 JOINT, FLOAT COLLAR, PUP LATCH COLLAR, PUP AND STAGE COLLAR. 00:40 - 01:45 1.08 CASING N SFAL RUNPRD CONTINUE MU LINER JOINTS,DRIFT FIRST 5 JOINTS OF 2-7/8"LINER. 01:45 - 04:15 2.50 CASING N SFAL RUNPRD RUN FIRST 30 JOINTS,FILL UP LINER USING 2"HOSE AND HEAD PIN PLUS HAVING ANNULAR CLOSED AS PER PROCEDURE. CONTINUE MU 2-7/8"LINER TILL JOINT#60. FILL LINER AGAIN. 04:15 - 10:00 ' 5.75 CASING N SFAL ' RUNPRD FINISH RUN 3-3/16"TCII WITH 3-1/4"BODY LINER USING LIFTING PUP. RUN 2(EA)3-1/2"10'PUP JTS. _ 10:00 - 12:00 2.00 CASING N SFAL RUNPRD PU SAFETY JOINT,MU&RIH. CLOSE ANNULAR AND CIRCULATE SURFACE TO SURFACE TO ENSURE ALL AIR OUT OF STRING PRIOR TO MU SELRT. CIRCULATE AT.5-BPM/830-PSI. IA/OA= 1030-PSI/50-PSI. OUT MM NOT READING DENSITY,SWAP OUT FOR NEW MM 12:00 - 13:10 1.17 CASING N SFAL RUNPRD LINER RAN,MU 5 JTS OF PH6 13:10 - 14:55 1.75 CASING N RREP RUNPRD MM REPLACED BUT IS READING IN LITERS AND NEEDS TO BE CHANGED TO BBLS 14:55 - 16:15 1.33 CASING P RUNPRD RIH WHILE FINE TUNING OUT MM STOP AND CHECK OUT MM WITH IN MM AND THEY ARE READING THE SAME,CONTINUE RIH ,16:15 - 16:25 0.17 CASING P RUNPRD STOP AT WHITE EOP FLAG AT 5098'(-2'FOR CUT AT SURF)AND CORRECT DEPTH. CORRECT DEPTH-17' • WTCHECK=40K 16:25 - 17:45 1.33 CASING P RUNPRD CONTINUE RIH LINER PASSED THROUGH WINDOW CLEAN LINER PASSED THROUGH HIGH DLS BUILD SECTION WITH ONLY-2K WEIGHT LOSS 17:45 - 18:00 0.25 CASING P RUNPRD TAG AT 11790',PU WT 49K TAG AGAIN AT 11840',PU AND TAG AGAIN AT THE SAME DEPTH 18:00 - 18:15 0.25 CASING P RUNPRD STILL TAGGING AT THE SAME DEPTH 11,840' /11,844'WITH-10K DOWN ONE FOR ONE RETURNS 18:15 - 19:00 0.75 CASING P RUNPRD TAG TD.ACHIEVE FOUR SOLID TAGS(CT MEASURED DEPTH IS SHOWING 12,013'). 19:00 - 19:40 0.67 CASING P RUNPRD LAUNCH 5/8"BALL TO RELEASE FROM LINER. PUMP BALL ON SEAT WITH 49.9BBLS. 19:40 - 20:00 0.33 CASING P RUNPRD PRESSURE UP TO 4,300PSI TO RELEASE FROM LINER. PU 5'TO CONFIRM LINER IS FREE. Printed 4/17/2012 11:28:09AM North America -ALASKA- BP Page 9 of 17 Operation Summary Report Common Well Name: F-31 AFE No Event Type: COM-ONSHORE(CON) Start Date: 3/23/2012 End Date:3/31/2012 X3-0116P-C: (1,205,389.00) Project:Prudhoe Bay Site: PB F Pad_Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 20:00 - 21:45 1.75 CASING P RUNPRD CALL OUT SLB CEMENTERS AND START PUMPING HEAVY 9.4#BRINE TO DISPLACE DRILL MUD FROM WELL. PUMP AT 2.20BPM WITH 1,250PS1 CIRC PRESSURE. 21:45 - 22:45 1.00 CASING P RUNPRD CEMENTERS ARRIVE ON LOCATION. REVIEW"PROCEDURE FOR PT CEMENT LINES USING MINERAL OIL"WITH SLB LEAD-PUMPER. EXPLAIN BP'S EXPECTATIONS WITH REGARDS TO PRESSURE-TESTING AND DISCUSS HOW TO ADHERE TO IT. CONTINUE PUMPING AT 2.20BPM WITH 1,234PSI CIRC PRESSURE. 22:45 - 00:00 1.25 CASING P RUNPRD SPOT SLB CEMENTING TRUCKS. 3/28/2012 00:00 - 01:00 1.00 CASING P RUNPRD RIG UP SURFACE LINES. 01:00 - 01:30 0.50 CASING P RUNPRD PJSM WITH ALL CREWS INVOVLED. DISCUSS PRESSURE-TESTING AND { 'CEMENTING PROCEDURES. 01:30 - 02:30 1.00 CASING N FLUD RUNPRD OBSERVE FRESH WATER SPILL ON GROUND. IN PREPARATION TO TAKE ON MINERAL OIL (LVT),A CH2-HOSE WAS HOOKED UP TO THE SLB CEMENT VAN AND WAS PREPARED TO BE CONNECTED TO THE LVT-CARRYING CH2HILL TRUCK.THE HOSE WAS NOT CAPPED ANYMORE,WHEN A VALVE ON THE SLB CEMENT VAN DEVELOPED A LEAK. SUBSEQUENTLY FRESH WATER FROM THE SLB CEMENT VAN FILLED THE HOSE AND THEREAFTER THE SUMP OF CH2-TRUCK'S PUMP ROOM.WHEN THE SECONDARY CONTAINMENT WAS FILLED UP IT OVERFLEW AND A SPILL OF—2GAL ONTO THE GROUND OCCURRED BEFORE THE LEAK COULD BE SHUT-IN. 02:30 - 03:00 0.50 CASING N FLUD RUNPRD CALLED-5700 TO NOTIFY OF SPILL. 03:00 - 03:20 0.33 CASING P RUNPRD BLOW DOWN STAND LINE FROM RIG TO SLB CEMENT TRUCK. PUMP 15BBLS BRINE TO CEMENT TRUCK, RECEIVE LVT FOR PRESSURE-TESTING. 03:20 - 04:10 0.83 CASING P RUNPRD COMMENCE PRESSURE-TEST OF SURFACE LINE.TEST MEDIUM:MINERAL OIL(LVT). ROLL SLB TRIPLEX PUMP-ACHIEVE 780PS1. BLEED OFF. ROLL SLB TRIPLEX PUMP-ACHIEVE 730PSI. BLEED OFF. TRY CHARGE PUMP-ACHIEVE 101 PSI. BLEED OFF. ROLL SLB TRIPLEX PUMP-ACHIEVE 604PS1. BLEED OFF. ROLL SLB TRIPLEX PUMP-ACHIEVE 720PS1. BLEED OFF. ROLL SLB TRIPLEX PUMP-ACHIEVE 664PS1. BLEED OFF. ROLL SLB TRIPLEX PUMP-ACHIEVE 118PSI. BLEED OFF. ROLL SLB TRIPLEX PUMP-ACHIEVE 215PS1- HOLD. LOOSE 20PSI.ACCEPT TEST. Printed 4/17/2012 11:28:09AM North America -ALASKA- BP Page 10 of 17 Operation Summary Report ----_____---- — - --------------------- Common Well Name: F-31 AFE No Event Type: COM-ONSHORE(CON) Start Date: 3/23/2012 End Date:3/31/2012 X3-0116P-C: (1,205,389.00) Project:Prudhoe Bay Site:PB F Pad Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 04:10 - 04:30 0.33 CASING P RUNPRD ATTEMPT HP TEST. HAVE TO PUMP UP THREE TIMES BEFORE ACHIEVING A GOOD HP-TEST ON THE FOURTH PUMP-UP WITH 37PS1 PRESSURE-DROP. BLEED OFF PRESSURE. ACCEPT CEMENTING SURFACCE LINE PRESSURE-TEST. 04:30 - 07:00 2.50 CASING P RUNPRD DECIDE NOT TO BATCH UP CEMENT BUT WAIT FOR DAYSHIFT TO COME OUT IN ORDER TO AVOID CEMEMTING OPERATIONS OVER CREW CHANGE. 07:00 - 07:30 0.50 CASING P RUNPRD ALL CREWS CHANGED OUT CALL ODE TO DICUSS PLAN FORWARD FOR MORNING CALL SINCE i WILL NOT BE ATTENDING 07:30 - 07:50 0.33 CASING P RUNPRD PJSM WITH CREWS FOR LINER CMT JOB 07:50 - 08:15 0.42 CASING P RUNPRD BATCH 37 BBLS OF 15.8 PPG CLASS G 'CEMENT 08:15 - 08:20 0.08 CASING P RUNPRD GMT TO WEIGHT/4 HR 13 MIN THICKENING TIME=12:28 PM CMT IS NOT PUMPABLE Printed 4/17/2012 11:28:09AM North America -ALASKA- BP Page 11 of 17 Operation Summary Report Common Well Name: F-31 AFE No Event Type:COM-ONSHORE(CON) Start Date:3/23/2012 End Date:3/31/2012 X3-0116P-C: (1,205,389.00) Project:Prudhoe Bay Site: PB F Pad Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32: 31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase I Description of Operations (hr) (ft) 08:20 - 10:20 2.00 CASING P RUNPRD START CMT JOB 08:25 HAVING TROUBLE WITH PRIME ON CMT ,PUMP 08:35 ONLINE WITH CMT PUMP, PUMPING 10 BBLS OF 9.4 BRINE 08:40 SWAP TO CMT 08:41 GOOD CMT AT REEL MM,ZERO IN& OUT MM TOTALS N- 08:59 31.9 BBLS CMT PUMPED SHUT DOWN, (�- SEND BIO BACK THROUGH CMT LINE AND BLOW DOWN �t 09:03 ONLINE WITH RIG PUMP DISPLACING CMT WITH BIOZAN 09:17 58 BBLS AWAY,CMT ALMOST AT THE SELRT SLOW DOWN PUMP RATE 09:30 CMT AT THE SHOE AT 82 BBLS,ZERO OUT MM 109:34 88.6 BBLS AWAY,SHUT DOWM PUMP !TO PU(11994')THEN SET DOWN,SHEAR AND 'LAND PEE WEE DART IN LWP 09:38 PEE WEE DART LANDED IN LWP, PU TILL CT PRESSURE DROPS OFF TO SIDE EXHAST 09:39 SIDE EXHAUST 2.5 BBLS CMT AND 3 BBLS BIOZAN AT 1.5 BPM/OUT MM=7.6 BBLS 09:43 5.5 BBLS PUMPED,SHUT DOWN PUMP, 'OPEN BAKER CHOKE, SET DOWN 10K 109:45 CLOSE BAKER CHOKE TO SHEAR LWP !AND ZERO IN MM ONLY/OUT MM= 13.3 BBLS 09:48 LWP SHEARED AT 3400 PSI AT.5 BBLS, 'DISPLACE LWP TO BUMP AT 22.6 BBLS 10:01 REDUCE RATE TO 1 BPM TO BUMP PLUG CIRC PSI= 1700 PSI 110:04 PLUG BUMPED AT 22.3 BBLS, OUT MM= 35.1 BBLS/29.4 BBLS BEHIND PIPE ;10:05 PRESSURE UP TO 2700 PSI TO SEAT I LWP,GOOD FLAT LINE 10:06 OPEN BAKER CHOKE TO CHECK FLOATS 10:09 GOOD NO-FLOW CHECK ON THE FLOATS, PRESSURE UP TO 500 PSI AND UNSTING FROM DEPLOYMENT SLEEVE 10:11 CT PRESSURE DROPPED OFF,STOP AND PUMP 5 BBLS OF BIO ON TOP OF LINER 10:14 5 BBLS OF BIO OUT, SHUT DOWN FOR NO-FLOW CHECK TO POOH 10:20 - 12:00 1.67 CASING P RUNPRD GOOD NO-FLOW CHECK,POOH MAINTAINING 0.5 BPM RETURNS 12:00 - 12:25 0.42 CASING P RUNPRD GETTING CMT BACK, STOP TO CIRC HOLE CLEAN AND TAKE RETURNS TO CUTTINGS BOX 'STACK WILL NEED TO BE JETTED OUT BEFORE MAKING UP CLEAN OUT BHA 12:25 - 12:40 0.25 CASING P RUNPRD FLOW CHECK WELL HOLD PJSM TO LD LINER RUNNING TOOL BHA SLB MEM LOGGER ON LOCATION 12:40 - 13:40 1.00 CASING P RUNPRD PU INJECTOR AND LD BHA ;5/8"BALL RECOVERED FROM TOOL LOAD OUT SELRT Printed 4/17/2012 11:28:09AM North America -ALASKA- BP Page 12 of 17 Operation Summary Report Common Well Name: F-31 AFE No Event Type:COM-ONSHORE(CON) Start Date:3/23/2012 End Date:3/31/2012 X3-0116P-C: (1,205,389.00) Project:Prudhoe Bay Site:PB F Pad Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA U W I: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth I Phase Description of Operations (hr) (ft) 13:40 - 13:55 0.25 CASING ' P RUNPRD PJSM TO MU SWIZZLE STICK BHA TO JET STACK 13:55 - 14:05 0.17 CASING P RUNPRD MU NOZZLE BHA&CLOSE SWAB VALVE TO JET STACK. FLUID LEVEL IS STATIC JUST BELOW TH BAG • 14:05 - 14:25 0.33 CASING P RUNPRD MU MOTOR&MILL PLUS 2 SINGLES FROM THE PIPE SHED 14:25 - 14:40 0.25 CASING P RUNPRD PT QTS AND JET STACK 14:40 - 14:50 0.17 CASING P RUNPRD OPEN SWAB AGAINST 2 TESTED BARRIERS, CLOSED CHOKE AND SLB QTS NO PRESSURE,OPEN CHOKE, NO FLOW 14:50 - 15:00 0.17 CASING P RUNPRD PU INJECTOR AND SET ON LEGS TO PREP FOR PICKING UP CSH FOR CLEAN OUT/ LOGGING RUN 15:00 - 15:15 0.25 CASING P RUNPRD LOAD SLB MEM LOGGER TOOLS ON RIG 15:15 - 15:30 0.25 CASING P RUNPRD MOVE LINER IN PIPE SHED TO GET ACCESS TO ADDITIONAL CSH WE NEED FROM THE SHED 15:30 - 16:30 1.00 EVAL P OTHCMP PJSM TO MU CLEAN OUT/LOGGING BHA 16:30 - 20:00 3.50 EVAL P OTHCMP LOAD SOURCE AND CONTINUE MU BHA 20:00 - 20:30 0.50 EVAL P OTHCMP CIRCULATE AT 1.02 BBL/MIN WITH 392 PSI. 20:30 - 21:20 0.83 EVAL P OTHCMP CONTINUE IN THE HOLE WITH 1.25"CSH TUBING 21:20 - 21:45 0.42 EVAL P OTHCMP CIRCULATE AT 1.02 BBUMIN WITH 342 PSI. STAGING PUMPS UP TO 1.34 BBUMIN WITH 483 PSI. 21:45 - 22:15 0.50 EVAL P OTHCMP RUN IN THE HOLE ON 1.25"CSH TUBING STANDS FROM THE DERRICK. 22:15 - 22:45 0.50 EVAL P OTHCMP CIRCULATE AT.48 BBUMIN WITH 356 PSI. STAGING PUMPS UP TO 1.04 BBUMIN WITH 742 PSI. 22:45 - 23:30 0.75 EVAL P OTHCMP RUN IN THE HOLE ON 1.25"CSH TUBING STANDS FROM THE DERRICK. 23:30 - 00:00 0.50 EVAL P OTHCMP CIRCULATE AT.83 BBUMIN 635 PSI. 3/29/2012 00:00 - 00:30 0.50 EVAL P OTHCMP RUN IN THE HOLE ON 1.25"CSH TUBING STANDS FROM THE DERRICK. 00:30 - 01:05 0.58 EVAL P OTHCMP CIRCULATE AT 1.03 BBUMIN 715 PSI. 01:05 - 02:00 0.92 EVAL P OTHCMP RIG UP COIL INJECTOR HEAD AND TEST. 02:00 - 02:45 0.75 EVAL P OTHCMP RUN IN THE HOLE ON 2-3/8"COIL TUBING PUMPING AT 1.5 BPM WITH 3125 PSI. 02:45 - 03:15 0.50 EVAL P OTHCMP HOLD KICK WHILE TRIPPING DRILL WITH RICHARD RYNARD'S CREW,CRT 90 SEC. 03:15 - 03:30 0.25 EVAL P OTHCMP CONTINUE RUNNING IN THE HOLE ON 2-3/8" COIL TUBING WHILE PUMPING AT 1.56 BPM WITH 2853 PSI. 03:30 - 05:30 2.00 EVAL P OTHCMP BEGIN LOGGING DOWN FROM 8100'. 05:30 - 07:05 1.58 EVAL P OTHCMP POOH LAYING IN LINER PILL TAKING DILUTED CMT RETURNS TO THE CUTTINGS BOX,0.5 PPG INCREASE 13 PH 07:05 - 07:10 0.08 EVAL P OTHCMP STOP AT 8285'TO PAINT AN EOP FLAG FOR 4500' 07:10 - 07:30 0.33 EVAL P OTHCMP PAUSE AT 8100'END OF LOGGING RUN STILL GETTING CONTAMINATED CMT BACK 07:30 - 07:45 0.25 EVAL P OTHCMP FLOW CHECK PJSM TO STBK&LD BHA Printed 4/17/2012 11:28:09AM North America -ALASKA- BP Page 13 of 17 Operation Summary Report Common Well Name: F-31 AFE No Event Type: COM-ONSHORE(CON) Date: 3/23/2012 End Date:3/31/2012 X3-0116P-C: (1,205,389.00) Project:Prudhoe Bay Site:PB F Pad_Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor NORDIC CALISTA UWI: Active Datum:32: 31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth ' Phase Description of Operations (hr) (ft) '07:45 - 09:00 1.25 EVAL P OTHCMP GOOD FLOW CHECK,POOH REMOVE INJECTOR 09:00 - 09:30 0.50 EVAL P OTHCMP RU TO OPEN CIRC SUB DROP 1/2"BALL TO OPEN CIRC SUB CIRC SUB SHEARED AT 3200 PSI RD HOSE 09:30 - 10:50 1.33 EVAL P OTHCMP LD PH6 TUBING FLUID LEVEL IS IN THE STACK AND STATIC PULL&STBK CSH 10:50 - 12:50 2.00 EVAL ' P OTHCMP 10 STANDS PULLED, FILL THE HOLE, HOLE TOOK 0.4 BBLS 11:10-20 STANDS PULLED, FILL THE HOLE, HOLE TOOK 0 7 BBLS 11:40-30 STANDS PULLED FILL THE HOLE, HOLE TOOK 0 7 BBLS 12:05-40 STANDS PULLED, FILL THE HOLE, HOLE TOOK 0.9 BBLS 12:30-50 STANDS PULLED, FILL THE HOLE, HOLE TOOK 0.8 BBLS NOTIFY SLB MEM LOGGER THAT WE ARE 10 STANDS AWAY FROM THE SOURCE IN HIS TOOL 12:50 - 13:05 0.25 , EVAL P OTHCMP STOP 1 STAND BELOW SURFACE FOR PJSM TO REMOVE SOURCE FROM TOOL 13:05 - 13:45 0.67 EVAL P OTHCMP 1/2"BALL RECOVERED FROM THE CIRC SUB SOURCE REMOVED&SECURED IN KEG LOAD OUT SLB LOGGING TOOL AND SOURCE LD LAST,MOTOR AND MILL 13:45 - 14:10 0.42 EVAL P • OTHCMP PREP FOR LAP TEST 14:10 - 14:20 0.17 EVAL P OTHCMP PJSM FOR LAP TEST CMT UCA 2000 PSI @ 08:53 14:20 - 14:45 0.42 EVAL P OTHCMP FLUID PACK THE STACK FOR LAP TEST 14:45 - 15:45 1.00 EVAL P OTHCMP PRESSURE UP TO 300 PSI IAP START=551 PSI, IA MITIA TO 2500 PSI BACK IN AUGUST AND WE WILL NEED APPROVAL TO GO HIGHER, LIMIT LAP TEST I PRESSURE TO 2500 PSI ON IA GOOD 5 MIN LOW PT INCREASE TO 2400 PSI FOR HPT SHUT DOWN PUMP ALLOW PRESSURE TO STABILIZE IAP=2457 PSI WHP=1830 PSI START TEST-MAX PSI LOSS IS 182 PSI, MINIMUM FINAL PRESSURE=1638 PSI FIRST 15 MIN TEST 15:11 1830 PSI 15:26 1787 PSI (LOST 43 PSI IN FIRST 15 MIN, MIN PSI IN SECOND 15 MIN= 1765 PSI) 15:41 1772 PSI LAP TEST PASSED LOOSING ONLY 15 PSI IN THE 2ND HALF OF THE TEST 15:45 - 16:40 0.92 EVAL P OTHCMP BLEED OFF WHP,WHP BLED OFF,GOOD NO-FLOW CHECK. REMOVE NIGHT CAP TO MONITOR FLUID LEVEL AND STBY FOR APPROVAL TO CONTINUE OPS MCNL DATA IS NOT GOOD,WAIT ON TOWN TO DECIDE IF THEY WANT TO RERUN THE LOG Printed 4/17/2012 11:28:09AM North America -ALASKA- BP Page 14 of 17 Operation Summary Report Common Well Name: F-31 AFE No Event Type: COM-ONSHORE(CON) Start Date: 3/23/2012 1 End Date: 3/31/2012 X3-0116P-C: (1,205,389.00) Project:Prudhoe Bay Site:PB F Pad_Under Consolidation Rig Name/No.:NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase 1 Description of Operations (hr) (ft) 16:40 - 17:00 0.33 EVAL P OTHCMP WE ARE NOT GOING TO RERUN THE LOG AND WE HAVE APPROVAL TO CONTINUE OUR OPS,LOAD PERF GUNS INTO PIPE 17:00 - 21:30 4.50 EVAL P OTHCMP CALL TOWN TO DISCUSS THE DEPTH OF THE PYRITE-BAND AND THE MEMORY GR LOG INDICATING A PBTD OF 11,979.92'(RA TIED-IN PBTD SUGGESTS 11,976.92'). 21:30 - 00:00 2.50 EVAL P OTHCMP GOT OKAY FROM ODE TO GO AHEAD. HOLD PJSM AND COMMENCE MU BHA#19. 3/30/2012 00:00 - 01:50 ' 1.83 EVAL OTHCMP KICK WHILE TRIPPING DRILL. COMPLETE MU BHA#19. 01:50 - 02:15 0.42 EVAL OTHCMP STAB ON INJECTOR AND PRESSURE-TEST QTS. 02:15 - 03:00 0.75 EVAL I OTHCMP RIH WITH BHA#19. 03:00 - 04:15 1.25 EVAL OTHCMP OBSERVE-10.21'DIFFERENCE AT THE 4,492' EOP-FLAG. KEEP RIH. 04:15 - 05:00 0.75 EVAL OTHCMP TAG TD AT 11,987'.PU(PUW 37K LBS)AND RETAG AT SAME DEPTH. PU UNTIL SEE FULL PUW, STOP.CORRECT TO 11,977'AS PER MEMORY LOG(6.5FT I DIFFERENCE). P J� ' PERFORM E-FIRING SEQUENCE SUCCESSFULLY.RECEIVE GOOD INDICATION FOR GUNS TO HAVE SUCCESSFULLY FIRED. 05:00 - 06:15 1.25 EVAL OTHCMP POOH @ 60FPM.APPLY—300PSI BACKPRESSURE ON WELL. MM IN-1.65BPM/MM OUT-1.30BPM. 06:15 - 07:15 1.00 EVAL OTHCMP ***KWT DRILL WHILE POOH WITH PERF GUN BHA"` CTS DRILLER ANNOUNCED A 5 BBL PIT GAIN OVER THE RADIO,STOPPED POOH AND SHUT DOWN HIS PUMP. I WENT TO THE RIG FLOOR AND TOLD THE DRILLER WE WERE STILL SEEING FLOW AT THE SHAKER AND ASKED HIM WHAT DID WE NEED TO DO?HE REPLIED THAT WE NEEDED TO SHUT IN THE WELL AND MONITOR FOR PRESSURE. I THEN TOLD HIM WE HAD 200PSI OF WHP AND ASK WHAT WE NEEDED TO DO AND HE SAID HE WAS WAITING FOR DIRECTIONS FROM ME WHICH IS CORRECT. DRILL WAS COMPLETED WITH AN AAR. 07:15 - 07:40 0.42 EVAL OTHCMP STOP AT 200'TO FLOW CHECK WELL PJSM TO LD PERF BHA GOOD NO FLOW,ONLINE WIH PUMP AND WELL DID NOT TAKE ANY FLUID 07:40 - 07:50 0.17 EVAL OTHCMP TAG UP 07:50 - 08:05 0.25 EVAL OTHCMP PU INJECTOR 08:05 - 09:45 1.67 EVAL OTHCMP PULL CSH FILLING THE HOLE AFTER EVERY 10 STANDS PULLED 09:45 - 12:00 2.25 EVAL OTHCMP ***KWT DRILL WHILE HANDLING PERF BHA*" Printed 4/17/2012 11:28:09AM North America -ALASKA- BP Page 15 of 17 Operation Summary Report Common Well Name: F-31 AFE No Event Type:COM-ONSHORE(CON) Start Date:3/23/2012 End Date:3/31/2012 X3-0116P-C: (1,205,389.00) Project:Prudhoe Bay Site: PB F Pad Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: ;Rig Release: Rig Contractor:NORDIC CALISTA I UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT ' NPT Depth Phase Description of Operations (hr) (ft) 12:00 - 12:30 0.50 EVAL OTHCMP FOUND A JOINT OF CSH-6 JOINTS ABOVE THE MARKER JOINT WITH 3 HOLES IN IT. CALLED THE CTD OPS SUPT AND DISCUSSED LAYING DOWN THIS STRING AFTER THE WELL HAS BEEN SECURED.WE CAN RUN EACH STAND IN THE MOUSE HOLE TO BREAK THEM OUT AND SEND THEM OFF FOR INSPECTION 12:30 - 13:00 0.50 EVAL OTHCMP PJSM FOR PERF GUN LD 13:00 - 13:50 0.83 EVAL OTHCMP LD SPENT GUNS 13:50 - 14:25 0.58 EVAL OTHCMP PERF GUNS OOH,ALL SHOTS FIRED. LOAD OUT TCP EQUIPMENT 14:25 - 15:00 0.58 EVAL OTHCMP PJSM WITH LRS AND RIG CREW TO FREEZE PROTECT WELL 15:00 - 15:30 0.50 EVAL OTHCMP PU INJECTOR,REMOVE LEGS AND MU 1NOZZLE-BHA '15:30 - 15:50 0.33 EVAL OTHCMP PRESSURE TEST QTS 15:50 - 16:20 0.50 EVAL OTHCMP RIH TO2500,LRS IS PRESSURE TESTING THE 16:20 - 17:00 0.67 EVAL OTHCMP ON DEPTH WAITING FOR LRS TO GET A PRESSURE TEST 17:00 - 17:45 0.75 EVAL OTHCMP LRS HAVING TROUBLE GETTING A HIGH PT, LOOSING-60PSI PER MIN SHUT DOWN PUMP AND DOUBLE BLOCK MAIN LINE TO SEE IF IT HELPS 17:45 - 18:30 0.75 EVAL OTHCMP LRS HAS A GOOD HIGH PT,LINE UP LRS TO THE REEL TO LOAD DIESEL. 18:30 - 19:45 1.25 EVAL OTHCMP PUMP 5BBLS OF DIESEL OUT OF NOZZLE. POOH LAYING IN DIESEL FOR FREEZE-PROTECTION.PUMP 4OBBLS DIESEL ALTOGETHER. 19:45 - 20:15 0.50 EVAL OTHCMP POOH AND FLOWCHECK WELL;OBTAIN GOOD NO-FLO. MEANWHILE GIVE OKAY TO N2-CREW TO RIG UP TO THE CEMENT LINE. 20:15 - 21:00 0.75 EVAL OTHCMP PULL BHA TO SURFACE. POP OFF INJECTOR AND LD NOZZLE ASSEMBLY. 21:00 - 21:15 0.25 RIGD POST COMPLETE RIGGING UP N2-TRUCKS. 21:15 - 22:10 0.92 RIGD POST START PRESSURE-TESTING N2 SURFACE LINES. ACHIEVE GOOD LP-TEST AT 280PSI/5MINS. INCREASE PRESSURE TO 3,500PSI. STRUGGLE TO ACHIEVE GOOD TEST AND NOTICE CHIKSAN WHICH REQUIRES TO GET CHANGED OUT.BLEED OFF PRESSURE AND CHANGE-OUT CHIKSAN. 22:10 - 23:30 1.33 RIGD POST RE-START PRESSURE-TEST.ACHIEVE GOOD LP-TEST AT 290PSI/5MINS. PUMP UP TO HP PRESSURE-TEST-LOOSING PRESSURE DUE TO THERMAL EFFECTS. KEEP PRESSURING UP TO ACHIEVE GOOD 3,500PSI/5MIN-TEST. MEANWHILE GREASE CREW ARRIVES ON LOCATION.CLOSE sWAB AND MASTER VALVE,GREASE CREW TO SERVICES TREE VALVES. 23:30 00:00 0.50 EVAL OTHCMP VALVE CREW SET'H'-TYPE BPV WITH DRY ROD. CONTINUE WITH N2 HP-TEST. Printed 4/17/2012 11:28:09AM North America -ALASKA- BP Page 16 of 17 Operation Summary Report Common Well Name: F-31 AFE No Event Type:COM-ONSHORE(CON) Start Date:3/23/2012 End Date:3/31/2012 X3-0116P-C: (1,205,389.00) Project:Prudhoe Bay Site: PB F Pad Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32:31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 3/31/2012 00:00 - 04:00 4.00 RIGD P POST (TRYING TO TEST N2 SURFACE LINE; REDUCE (TEMP IN BURNER BOX, USE 1 OR 2 OR NO BURNER,ATTEMPT TO TEST WITH HOT AND COLD N2,TAKE HEAT BLANKETS OFF IRON AND PUT THEM BACK ON-NO SUCCESS IN TESTING LINES. 04:00 - 05:30 1.50 RIGD P POST INSTALL CHART RECORDER IN REEL HOUSE, APPLY 3,500PSI PRESSURE WITH N2-TRUCK AND IMMEDIATELY CLOSE CLIENT VALVE ON N2-TRUCK.ACHIEVE GOOD PRESSURE-TEST ON SURFACE LINES. 05:30 - 06:00 0.50 RIGD P POST STAB ON INJECTOR AND START PUMPING FRESHWATER 06:00 - 06:30 0.50 RIGD P POST RIG&N2 CREWS CHANGED OUT,HOLD PJSM TO BLOW DOWN REEL 06:30 - 07:30 1.00 RIGD P POST 2 BARRIERS NEED TO BE TESTED BEFORE WE CAN REMOVE OUR INJECTOR AFTER BLOWING DOWN. DISCUSS PLAN FORWARD WITH CREW PJSM TO FP TREE AND TEST OUR 2 BARRIERS FOR BREAKING CONTAINMENT 07:30 - 09:00 1.50 RIGD P POST LINE UP TO PUMP NEAT METH THROUGH KILL LINE TO FREEZE PROTECT THE LINE GOING TO THE TIGER TANK. 'MASTER&SWAB WERE CLOSED AFTER SETTING THE BPV, PERFORM LEAK TIGHT TEST TO REMOVE INJECTOR GOOD TEST PU INJECTOR AND MOVE TO THE SIDE INSTALL NIGHT CAP AND PRESSURE TEST 09:00 - 09:15 0.25 RIGD P POST NIGHT CAP TESTED,BH NEAT METH THROUGH TREE TO ENSURE ITS FREEZE PROTECTED PUMPED 3 BBLS OF NEAT METH THROUGH BPV 09:15 - 09:45 0.50 RIGD P POST PRESSURE TEST MASTER AND SWAB INDEPENDENTLY FOR 2 TESTED BARRIERS FOR BREAKING CONTAINMENT TO INSPECT BOP RAMS AND ND TEST MASTER VALVE AND CHART TEST, MASTER VALVED TESTED 09:45 - 10:15 0.50 RIGD P POST TEST SWAB VALAVE AND CHART TEST, SWAB VALVE TESTED 10:15 - 10:45 0.50 RIGD P POST PJSM TO PUMP N2 10:45 - 11:10 0.42 RIGD P POST VERIFY N2 LINE IS CLEAR BEFORE PUMPING INHIBITED WATER N2 LINE IS CLEAR,PUMP INHIBITED WATER INTO REEL FOLLOWED BY NEAT METH 11:10 - 11:25 0.25 RIGD P POST ONLINE WITH N2 @ 1800 SCF/MIN 11:25 - 12:20 0.92 RIGD P POST SHUT DOWN 142 AND ALLOW N2 TO BLEED • OFF 12:20 - 12:45 0.42 RIGD P POST PJSM TO RD INJECTOR 12:45 - 13:00 0.25 RIGD P POST PU INJECTOR AND SET ON LEGS 13:00 - 13:15 0.25 RIGD P POST PJSM TO OPEN BOP DOORS TO INSPECT RAMS 13:15 - 16:00 2.75 RIGD P POST OPEN BOP DOORS TO INSPECT RAMS 16:00 - 16:20 0.33 RIGD P POST PJSM TO ND BOPE Printed 4/17/2012 11:28:09AM North America-ALASKA- BP Page 17 of 17 Operation Summary Report Common Well Name: F-31 AFE No Event Type: COM-ONSHORE(CON) Start Date: 3/23/2012 End Date: 3/31/2012 X3-0116P-C: (1,205,389.00) Project:Prudhoe Bay Site: PB F Pad_Under Consolidation Rig Name/No.: NORDIC 1 Spud Date/Time: Rig Release: Rig Contractor:NORDIC CALISTA UWI: Active Datum:32: 31 9/3/1986 00:00 @66.30ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth I Phase Description of Operations (hr) (ft) 16:20 - 17:20 1.00 RIGD P POST ND BOPE 17:20 - 19:30 2.17 RIGD P POST PU BOP STACK AND HANG OFF IN THE CELLAR TO INSTALL TREE CAP. I 19:30 20:00 0.50 RIGD P POST PERFORM PRESSURE-TEST ON TREE CAP WITH METHANOL TO 200PSI/5MIN AND 3,500PSI/5MIN. 20:00 - RIGD P POST RELEASED RIG AT 20:001-IRS. END OF OPERATIONS. REFER TO J-16 FOR FURTHER INFORMATION. Printed 4/17/2012 11:28:08AM Letter of Transmittal BAKER Date: HUGHES March 30, 2012 To: From: State of Alaska AOGCC Baker Hughes INTEQ 333 W. 7th Ave., Suite 100 795 East 94th Avenue Anchorage,Alaska 99501 Anchorage, Alaska 99515 Bill Michaelson I Please find enclosed the directional survey data for the following well(s): R-14B F-29BPB 1 F-29B F-31 APB 1 F-31A W-12AL1 18-15CPB1 18-15C 18-08BPB 1 18-08B Enclosed for each well(s): 2 hardcopy prints of directional survey reports 1 compact disk containing electronic survey files Please sign and return one copy of this transmittal form to: BP Exploration (Alaska) Inc. Petrotechnical Data Center, LR2-1 900 E. Benson Blvd. Anchorage, Alaska 99508 to acknowledge receipt of this data. RECEIVED BY: ILL. cilr.J , State of Alaska AOGCC DATE: Regg, James B (DOA) Pr6 Z-IZovz o From: Sarber, Greg J [SarberJG@BP.com] Sent: Wednesday, March 07, 2012 5:41 AM 347_, To: DOA AOGCC Prudhoe Bay Cc: Daniel, Ryan; Kilfoyle, Jeffery A; Allen, Kenneth W; Egbejimba, Uchenna J; McMullen, John C; Reem, David C; Rossberg, R Steven; Cismoski, Doug A; Sheffrey, Tom (Fircroft); Willingham, James M; Igtanloc, Mark L Subject: BOPE usage on Nordic 1, Well F-31, 3-6-2012 Attachments: F-31 BOP Useage Report.doc Gentlemen, -31611 You will find attached to this email a report form for the use of BOPE on the Nordic 1 rig yest peon. The rig was conducting sidetrack operations on a well with a known tubing x IA leak. The tubing was giving small amounts of crude/gas back when the pumps were shut down, from the hole in the tubing. The BOPE was shut to identify the source of the hydrocarbons and to circulate it out of the IA. Please review the report form and contact me should you need any additional information. Cheers, Greg Sarber Greg Sarber Operations Superintendent RWO/CTD +1 (907)659-5329(Office-slope) +1 (907)242-8000(Cell Phone) Harmony 2157 Alternate: Rich Burnett 1 Blow Out Preventer Equipment ( BOPE ) Usage Report to the AOGCC The purpose of this document is to ensure timely reporting to the AOGCC of any, BOPE use to prevent the flow of fluids from a well. Field Superintendent Name: Greg Sarber Wellsite Leader Name: Mark Igtanloc Contact Number: 907-659-5329 Contact Number: 907-659-4433 Traction Number: IR-4077063 -Well Location & Name: F Pad Well 31A P ,Li ;,€_ Permit To Drill (PTD) Number: 2120020 �J Date and Time of Incident: 09:55am 5/61/7-- Original Original Scope of Work: Preparing to start window milling operations. The well had a whipstock set and a tested plug in the liner and a tested IA. There was known tubing by IA communication, but a successful CMIT TxIA had been completed. - Operational Description Leading up to Well Control Event: The rig team had just RIH and was about to start milling the window when they started getting hydrocarbon in The mud returns. The returns were lined up through the MGS and bottoms up was circulated. Once bottoms up was achieved the pumps were shut down and they monitored for flow. Flow was observed in about a pencil sized stream of mud that continued to flow out of the return line. They also got a 7% Methane reading on the gas panel. The well was shut in to monitor pressure build up suspecting a possible communications to the reservoir. BOPE Used and Reason: CTD rig up—The super choke was closed to monitor pressure and the coiled tubing Packoff pressure was increased. Is a BOPE Test Required after use - Yes, we will test the choke once we are out of the hole 24 hour notice required to NS AOGCC Inspectors prior to testing BOPE components. Plan Forward: Pressures were observed on the IA and production tubing at the wellhead. Over the course of 15 minutes after Shut in, the WHP built from 0 to 40 psi, while the IAP fell from 584 to 514 psi. Further investigation revealed that the IA had been liquid packed with crude oil prior to rig arrival down to the known tubing leak at 5700'. The rig team bled the WHP to zero and it did not climb up again. The IAP remained at 514 psi. The rig team concluded that as the mud pumps were cycled on and off the IA acted like an accumulator. It gave back small quantities of crude whenever the pumps were shut down. There was no communication to the reservoir and no well control event occurred. The crude in the IA was circulated out and replace with 8.6 ppg brine. There has been no repeat occurrence of hydrocarbons in the mud returns. Additional Comments: The IA will be freeze protected with diesel down to 2500' prior to the rig Leaving location. Email to AOGCC North Slope Inspectors within 24 hours of the incident: doa.aogcc.prudhoe.bavAalaska.gov Email CC List Well Integrity Team Leader Ryan Daniel BOPE Usage Report for AOGCC August 2, 2010 HRE 1 �• r HSE Advisor Jeff Kilfoyle Engineering Team Leader Ken Allen, John Egbejimba, John McMullen, Dave Reem Wells Operations Manager Steve Rossberg Wells Intervention Manager Doug Cismoski Organizational Capability Tom Sheffrey BOPE Usage Report for AOGCC August 2, 2010 HRE 2 surrE giamn SEAN PARNELL,GOVERNOR ALASKA OIL AND GAS 333 W.7th AVENUE,SUITE 100 CONSERVATION COMMISSION ANCHORAGE,ALASKA 99501-3539 PHONE (907)279-1433 FAX (907)276-7542 John McMullen Engineering Team Leader BP Exploration (Alaska), Inc. P.O. Box 196612 Anchorage, AK 99519-6612 Re: Prudhoe Bay Field, Prudhoe Bay Pool, PBU F-3 1A BP Exploration (Alaska), Inc. Permit No: 212-002 Surface Location: 2353' FNL, 2407' FWL, SEC. 02, T11N, R13E, UM Bottomhole Location: 4303' FNL, 2637' FWL, SEC. 02, T11N, R13E, UM Dear Mr. McMullen: 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 Commission reserves the right to withdraw the permit in the event it was erroneously issued. Operations must be conducted in accordance with AS 31.05 and Title 20, Chapter 25 of the Alaska Administrative Code unless the Commission specifically authorizes a variance. Failure to comply with an applicable provision of AS 31.05, Title 20, Chapter 25 of the Alaska Administrative Code, or a Commission order, or the terms and conditions of this permit may result in the revocation or suspension of the permit. Sincerely, S Daniel T. Seamount, Jr. Chair DATED this b day of January, 2012. cc: Department of Fish & Game, Habitat Section w/o encl. (via e-mail) Department of Environmental Conservation w/o encl. (via e-mail) EI t STATE OF ALASKA RE""�;EIV a ALASKA OIL AND GAS CONSERVATION COMMI —ION ° C011 :��/- PERMIT TO DRILL �s;� 20 AAC 25.005 AI& a Oil& r2S ��n'l�. CgtMIIS�pA 1 a.Type of work: 1 b.Proposed Well Class: IN Development Oil 0 Service-Winj 0 Single Zone 1 c. Specify itrJstumped for: ❑ Drill ®Redrill 0 Stratigraphic Test 0 Development Gas 0 Service-Supply 0 Multiple Zone 0 Coalbed Gas 0 Gas Hydrates ❑ Re-Entry 0 Exploratory ❑Service-WAG 0 Service-Disp 0 Shale Gas 2. Operator Name: 5.Bond: IN Blanket 0 Single Well 11. Well Name and Number: BP Exploration(Alaska) Inc. Bond No. 6194193 PBU F-31A 3. Address: 6. Proposed Depth: 12.Field/Pool(s): P.O. Box 196612,Anchorage,Alaska 99519-6612 MD 11892' ND 8984'ss Prudhoe Bay Field/Prudhoe 4a. Location of Well(Governmental Section): 7. Property Designation(Lease Number): Bay Oil Pool Surface: ADL 028280 2353'FNL,2407'FWL, SEC.02,T11N, R13E, UM Top of Productive Horizon: 8. Land Use Permit: 13. Approximate Spud Date: 2640'FNL, 737'FWL, SEC.02,T11N, R13E, UM February 1,2012 Total Depth: 9.Acres in Property: 14.Distance to Nearest Property: 4303'FNL,2637'FWL, SEC.02,T11N, R13E, UM 2560 11,500' 4b. Location of Well(State Base Plane Coordinates-NAD 27): 10.KB Elevation above MSL: 66.3' feet 15.Distance to Nearest Well Open Surface: x- 651958 y-5974447 Zone- ASP4 _ GL Elevation above MSL: 35.97' feet to Same Pool: 98' 16.Deviated Wells: Kickoff Depth: 9000 feet 17.Maximum Anticipated Pressures in psig(see 20 AAC 25.035) Maximum Hole Angle: 95 degrees Downhole: 3205 Surface: 2325 18. Casing Program: Specifications Top-Setting Depth-Bottom Quantity of Cement,c.f.or sacks Hole Casing Weight Grade Coupling Length MD ND MD ND (including stage data) 4-1/4" 3-1/4"x 2-7/8" 6.2#/4.7# L-80 TC-Il/STL 3407' 8485' 8153'ss 11892' 8984'ss,204 cu ft Class'G' \ 1/ 19. PRESENT WELL CONDITION SUMMARY(To be completed for Redrill and Re-entry Operations) Total Depth MD(ft): Total Depth TVD(ft): Plugs(measured): Effective Depth MD(ft): Effective Depth ND(ft): Junk(measured): 9600' 9221' None 9558' 9184' None Casing Length Size Cement Volume MD TVD Conductor/Structural 110' 20" 8 cu vds Concrete110' 110' Surface 2665' 13-3/8" 3258 cu ft Arcticset III,465 cu ft AS II 2665' 2663' Intermediate 8752' 9-5/8" 575 cu ft Class'G' 8752' 8462' Production Liner 1108' 7" 327 cu ft Class'G' 8492'-9600' 8226'-9221' Perforation Depth MD(ft): 9387'-9428' Perforation Depth ND(ft): 9033'-9070' 20.Attachments: ❑ Property Plat ® BOP Sketch ®Drilling Program 0 Time vs Depth Plot ❑Shallow Hazard Analysis 0 Diverter Sketch 0 Seabed Report ®Drilling Fluid Program ®20 AAC 25.050 Requirements 21. Verbal Approval: Commission Representative: Date: 22. I hereby certify that the foregoing is true and correct. Contact Ron Phillips,564-5913 Printed Name Joh ply,k .Ilen ..g. Title Engineering Team Leader Prepared By Name/Number: Signature �/ Phone 564-4711 Date ( Z ((2 t Terrie Hubble,564-4628 Commission Use Only Permit To r, I API Number: Permit Appr v I n See cover letter for Number: P?Jp;OO� 50-029-21647-01-00 I \V V other requirements Conditions of Approval: If box is checked,well may not be used to explore for,test,or produce coalbed ethane,gas hydrates,or gas contained shales: Fr Other: 3S00 pS ad �4 Samples Req'd: Oyes KJ No Mud Log Req'd: �es 11�No /��� A H2S Measures: Yes 0 No Directional Survey Req'd: Yes 0 No - OD ,OS i., /4-//h. K e-sF Chit 1 APPROVED BY THE COMMISSION Date ,COMMISSIONER Form 104//6„ 0 /2009 This permit is valid for 4 months from the ,•to of approval(20 AAC 25.005 )) Submit In Duplicate ,i (.5/Z OR1GlN ; -tel%2__ To: Alaska Oil & Gas Conservation Commission bp 0 PFrom: Ron Philli s CTD Engineer Date: December 8, 2011 Re: F-31A Permit to Drill Request Approval is requested for a permit to drill a CTD sidetrack from well F-31. CTD Drill and Complete F-31A program: Rig Start Date: February 1st, 2012 History of F-31. Well F-31 was a Zone 16/2A deviated well drilled in 1987 and completed with a 7" liner and 4-1/2" L-80 tubing. The well produced until 1991 when gas break through occurred, at which time the gas rates ramped up and the well was put in HP service. A borax log was run in 1992 which identified a channel was present above the Zone 2A perfs. F-31 produced essentially full time and trouble free until 2005 when it was shut-in for TxIA comm. A caliper log run in Dec 2004 indicated the tubing to be in good condition with 13 joints with 20-40% penetration, but a May 2005 LDL confirmed a tubing leak at 5,707' MD. A tubing patch was set in Oct 2006 from 5,685'-5,720', and a passing MIT-IA to 3000 psi confirmed the restoration of integrity. Over a year passed with the well being full time and competitive, however, in early 2008 F-31 was shut-in for high GOR and began cycling. Three cycle attempts were made with degrading results and a final attempt was made in mid 2009 with the well not responding as it came online at 75,000 GOR. F-31 also has slow IAxOA comm, which is manageable by bleeds. The most recent caliper from 8/16/11 showed the tubing to be in good to fair condition, with a maximum wall penetration of 31% recorded in joint 3 (8,610'). All sidetrack screening pressure tests passed. Reason for sidetrack. F-31 is no longer a competitive producer due to high GOR and has no remaining well work options. The proposed sidetrack will access two separate drainage targets (-25 acres total) above the MHO/HOT in central F-pad. Proposed plan for F-31A is to pull the Baker patch and HES nipple reducer then mill an XN , / nipple. The existing perforations will be isolated by setting a Posiset plug and bailing cement on top of it. Then a whipstock will be set pre-rig. The primary cement job for the liner will cover the whipstock by 107'. The sidetrack, F-31A, will exit the existing 7" liner and kick off and land in the Ivishak Zone2A. This sidetrack will be completed with a 2-7/8" L-80 liner in the production interval. The following describes the work planned and is submitted as an attachment to Form 10-403. A schematic diagram of the proposed sidetrack is attached for reference. Pre-Rig Work: (scheduled to begin Dec 1st, 2011) 1. F MIT- IA to 2,500 psi, MIT-OA to 2,000 psi. 2. W Cycle and fix 2 LDS; PPPOT- T to 5,000 psi. 3. F Hot oil treatment for heavy deposits at 9,383'. 4. S Pull BKR 4-1/2" patch from 5,685' TO 5,720'. ' 5. S Pull 2-7/8" HES nipple reducer at 8,503'. 6. S Drift for 4-1/2" x 7" thru-tubing whipstock (3.63" x 17.53') to 9,200'. 7. E Mill XN Nipple at 8,503' to 3.80" with Welltec tools. 8. E Set through tubing 7" PosiSet plug at 9,050'. 9. E Bail 8 gallons cement on top of PosiSet plug (equal to 5' in 7"CSG). • 10. E Set 4-1/2"x 7" Thru tubing WS at 8,978' MD (orientate 210°). P. (- �a " r 11. V PTMV, SV, WV. 12. V RU second IA valve on tree (T x IA communication). 13. 0 Blind and bleed lines to zero, remove wellhouse and level pad. 14. V Set 4" CIW TWC 24 hrs prior to rig arrival. PO Rig Sidetrack Operations: (Scheduled to begin on February 1st, 2012 using Nordic Rig 1) 1. MIRU Nordic Rig 1 ‘-P 45"psi- bed P hex 2. NU 7-1/16" CT Drilling BOPE and test 3. Mill 3.80" single string window in the 7" liner at 8,982'. . 4. Drill Build: 4.25" OH, 818' (26 deg/100 planned). .5. Drill Lateral in Z1 B and Z2A: 4.25" OH, 2,092' (12 deg/100 planned) with resistivity. .6. Run open hole caliper log for swell packer analysis. ✓ 1lis 7. Run 3-1/4" x 2-7/8" L-80 liner leaving TOL -8,485' MD. PrP J8. Pump primary cement leaving TOC at 8,876' MD, 36.4 bbls of 15.8 ppg Class G cement planned. .9. Perform cleanout/log run with mill, motor, and MCNUGR/CCL log. x4 0.Test liner lap to 2,400 psi. 11.Perforate well (-800'). 1-2.Freeze protect well to 2500' TVD. 13.Set BPV. ND 7-1/16" BOPE stack. _14.Freeze protect tree and PT tree cap to 3500 psi. 5.RDMO Nordic 1. Post Rig: 1. Re-install wellhouse, flowline and pull BPV. 2. Set 4-1/2" liner top packer if needed with slickline, and test to 2,400 psi. 3. Re-install BKR 4-1/2" patch from 5,685' to 5,720'. ✓ 1crrt (/t" Mud Program: • Well kill: 8.4 ppg seawater/ brine. • Milling/drilling: 8.6 ppg Geo-VIS for milling window and drilling (730 psi 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 sizes: 4-1/4" 8,982' MD — 11,892' MD Liner Program: Solid, cemented, and perforated completion planned. • 3-1/4", L-80, 6.2 lb/ft TC-II liner 8,485' and — 9,700' and • 2-7/8", L-80, 4.7 lb/ft STL liner 9,700' and — 11,892' and • Planned 36.4 bbls of 15.8 class G cement will be used for liner cementing (assuming 4- 1/4" hole size to TD and 20% excess in open hole). • TOC planned at 8,876' MD. • The primary barrier for this operation: a minimum EMW of 8.4 ppg. • A X-over shall be made up to a safety joint including a TIW valve for all tubulars ran in -role_ hole. Well Control: • BOP diagram is attached. • Pipe rams, blind rams and the CT pack off will be pressure tested to 250 psi and t° a- psi. • The annular preventer will be tested to 250 psi and 2500 psi. Directional • See attached directional plan. Maximum planned hole angle is 95°, inclination at kick off point is 25°. • Magnetic and inclination surveys will be taken every 30 ft. No gyro will be run. • Distance to nearest property— 11,500' MD. • Distance to nearest well within pool — 98' from F-01A. Anti-Collision • F-01A 123' (ctr— ctr distance) Fails at 10733'md. Status: SI cycle producer • F-01APB1 140' (ctr— ctr distance) Fails at 10,715'md. Status: SI cycle producer V • F-01APB1 160' (ctr— ctr distance) Fails at 10,760'md. Status: SI cycle producer Logging • MWD directional, Gamma Ray and Resistivity logs will be run over all of the open hole lateral section while drilling. • Cased hole GR/CCUMCNL logs will be run. Perforating: • SWS 1.56", 6 spf, perf guns, 1" CSH work string, & 2-1/16" CSH • The primary barrier for this operation: a minimum EMW of 8.4 ppg. • A X-over shall be made up to a safety joint including a TIW valve for all tubulars ran in hole. Hazards • F-Pad is considered an H2S pad. Well F-24 had 120 ppm H2S on 7/11/2011. • Most recent H2S level on F-31 is 10 ppm recorded on 6/12/2009. • The lost circulation risk in the F-31A is considered to be low and 2 fault crossings are planned. Reservoir Pressure • The reservoir pressure is estimated to be 3,205 psi at 8,800 TVDss (7.00 ppg equivalent) based on average offset pressures. • Max expected surface pressure with gas (0.10 psi/ft) to surface is 2,325 psi. • An EMW of 8.4 ppg for this well will provide 639 psi over-balance to the reservoir. Ron Phillips Coiled Tubing Drilling Engineer 564-5913 CC: Well File Sondra Stewman/Elizabeth Barker/Terrie Hubble TREE= 4"CNV SAFL .OTES: WELLHEAD= McEVOY F-3 1 ACTUATOR= AXELSON KB.ELEV= 66.29" CTD Pre Rig BF.ELEV= 37.39' KOP= 5200' Max Angle= 28 @ 9500' 0 2086' —14-1/2"HES HXO SSSV NIP, ID=3.813" Datum MD= 9200' GAS LIFT MANDRELS Datum TVD= 8800'SS ST MD TVD DEV TYPE V LV LATCH PORT DATE 6 3208 3206 0 OTIS DMY RM 0 08/18/11 5 5281 5276 14 OTIS DMY RM 0 08/18/11 13-3/8"CSG,72#,L-80,ID=12.347" —I 2664' ( 4 6596 6488 24 OTIS DMY RA 0 09/17/86 3 7484 7304 23 OTIS DMY RA 0 09/17/86 4-1/2"?BKR PATCH,ID=2.45" —1 5685' -5720' - C 2 8023 7798 24 OTIS DMY RA 0 09/17/86 Pulled Pre Rig,exposes holes and 1 8170 7933 24 OTIS DMY RA 0 09/17/86 allows T x LA Cor 'unication. Z C Minimum ID = 3.80"@ 8503' I I 8358' —14-1/2"OTIS XA SLD SLEEVE, ID=3.813" Milled Out XN Nipple Be aw are of heavy depostis @ 9,383' 8413' TNV PBR SEAL ASSY elmd 4Average ID=5.95"for-5ft 8430' H 9-5/8"TNV HBBP PKR,ID=4.750" ' ' 8470' H4-1/2"OTIS X NIP, ID=3.813",e tmd PERFORATION SUMMARY ] _ 8491' TOP OF 7"LNR REF LOG:GEARHART BHCS ON 09/14/86 D 8503' —14-1/2"OTIS XN NIP, ID= elmd. ANGLE AT TOP PERF:27 @ 9387' 8503' 2-7/8"HES X NIP RDCR, ID=2.313"(9/29/06),elmd Note:Refer to Production DB for historical pert data led out SIZE SPF INTERVAL Opn/Sqz DATE 3-1/8" 4 9387-9414 / \ 8533' —14-1/2"TBG TAIL, ID=3.958" 3-1/8" 4 9419-9428 8533' H4-1/2"TBG, 12.6#,L-80,0.0152 bpf, ID=3.958" 8532' —I ELMD TT LOGGED 09/22/86 A ' 8750' —19-5/8"CSG,47#,L-80, ID=8.681" TSGR 8,791' MD 8963' — Planned TOC(cmt w hipstock in place) -15ft above w hipstock pinch point. 25 deg at TOWS ,978' 4-1/2"x 7"top of w hipstock 210 deg Orientation (pinch point is-4.5'down TOWS,should allow Kick Off at 8,982'md) }.-- 1 9050' —17"Posiset Plug w/5'of CMT on top r I • 9374' H7"MARKERJOINT 9383' —I Heavy deposits, ID=4.42" 9467' H 2.25"Cent Tag(16/Aug/2011) PBTD H 9558' .000 7"LNR,26#,L-80,.0382 bpf,ID=6.276" H 9600' WAWA DATE REV BY COMMENTS DATE REV BY COMMENTS PRUDHOE BAY UNIT 09/17/86 N18E ORIGINAL COMPLETION 10/06/06 GJB/TLH BKR PATCH SET WELL: F-31 12/11/04 RWL/TLP GLV C/O 11/21/06 CJN/PAG GLV C/O PERMIT No: 1861570 09/24/05 MOR/TLH XXN TTP SET(12/21/04) 03/02/10 JLW/RPC 13-3/8"CSG CORR API No: 50-029-21647-00 04/23/06 TEL/PJC PULL XXN&SET XX 08/22/11 PJC GLV TV D/NIP RDCR CORRECTION SEC 2,T11 N,R13E,2353'FNL&871'FEL 09/29/06 TWS/PAG PULL XX PLUG @ 8472' 09/27/11 EV CTD PRE RIG 09/29/06 rTWS/PAG SET HES X NIP REDUCER BP Exploration(Alaska) TREE= 4"CIW WELLHEAD= McEVOY F-AA SAFE_ _ .TOTES: ACTUATOR= AXELSON KB.ELEV= 66.29" CTD Proposed Sidetrack BF.ELEV= 37.39' KOP= 5200' 2086' I—4-1/2"HES HXO SSSV NIP,ID=3.813" I I Max Angle= 28 @ 9500' 0 GAS LIFT MANDRELS Datum MD= 9200' ST MD TVD DEV TYPE VLV LATCH PORT DATE Datum TVD= 8800'SS 6 3208 3206 0 OTIS DMY RM 0 08/18/11 5 5281 5276 14 OTIS DMY RM 0 08/18/11 2664'MD 4 6596 6488 24 OTIS DMY RA 0 09/17/86 13-3/8"CSG,72#,L-80,ID=12.347" 3 7484 7304 23 OTIS DMY RA 0 09/17/86 2 8023 7798 24 OTIS DMY RA 0 09/17/86 1 8170 7933 24 OTIS DMY RA 0 09/17/86 5685'-5720' 4-1/2"?BKR PATCH,ID=2.45" Minimum ID = 2.44"@ 9700' g g °idled Pre Ria exposes holes and allow s T x IA communication -3/16" x 2-7/8" XO I I 8358' —14-1/2"OTIS XA SLD SLEEVE, ID=3.813" 8413' — TIW PBR SEAL ASSY elmd Average ID=5.95"for-5ft 8430' —�9-5/8"TM/HBBP PKR, ID=4.750" 3.7" deployment sleeve/ 1 I 8470' —4-1/2"OTIS X NIP,ID=3.813",elmd 4.5" KB LTP @ 8,485' MD — L 8491' —I TOP OF 7"LNR 8503' —4-1/2"OTIS XN NIP, -",elmd, milled out I 01 8503' —I2-7/8"HES X NIP RDCR, ` 8532' --I4-1/2"TBG TAIL, ID=3.958"elmd 9/22/86 / 8533' —14-1/2"TBG, 12.6#,L-80,0.0152 bpf, ID=3.958" . ' 8750' —9-5/8"CSG,47#,L-80,ID=8.681" TSGR —8,791' MD PERFORATION SUMMARY REF LOG:GEARHART BHCS ON 09/14/86 ANGLE AT TOP F-' XF:27 @ 9387' Note:Refer to Production DB for historical perf data TOC 8,876' MD SIZE SPF INTERVAL Opn/Sqz DATE 3-1/8" 4 9387-9414 PRE RIG 3-1/8" 4 9419-9428 PRE RIG 25 deg at TOWS 210 deg Orientation Top Whipstock:8978'MD \, Top of Window:8,982'MD 2-7/8"4.7#L-80 liner 7"posiset plug w/5'CMT ontop @9050 TD@11,892' MD Heavy deposits in 7" F-31 3-3/16"x 2-7/8"XO @ 9,700' MD ���������� .. 9558' —PBTD ��������4 9600' —17"LNR,26#,L-80, .0382 bpf, ID=6276" 1 DATE REV BY COMMENTS DATE REV BY COMMENTS PRUDHOE BAY UNIT 09/17/86 N18E ORIGINAL COMPLETION 10/06/06 GJB/TLH BKR PATCH SET WELL: r--31A 12/11/04 RWLITLP GLV C/O 11/21/06 CJN/PAG GLV C/O PERMIT No: PENDING 09/24/05 MOR/TLH XXN TTP SET(12/21/04) 03/02/10 JLW/RPC 13-3/8"CSG CORR API No: 50-029-21647-00 04/23/06 TEL/PJC PULL XXN&SET XX 08/22/11 PJC GLV TVD/NIP RDCR CORRECTION SEC 2,T11 N,R13E,2353'FNL&871'FEL 09/29/06 TWS/PAG PULL XX PLUG @ 8472' 09/27/11 EV CTD PROPOSED SIDETRACK 09/29/06 TWS/PAG SET HES X NIP REDUCER BP Exploration(Alaska) Q 0 a CO 4-1J 0. a) V � �L a) r O QU N CU M ti ■O cu +.+ C O ■ to ‘w � o Slam L � � � Ewe i m M M CO co mownao. u � O 0 m = H Z c) O. co) a z � Z m ii co 0 .•-z- ri • tri co 0 a) MO =_ a N U o > ccoo asU w N rn Z m U cO JQ MU .. .- m COcl) O Eco CD m ii CO LL. 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Z 72 v '� a ,,,,,,,,f..$101.1114.$1$11.1* ..3 4f4474473zi :744 fr77zz4z4sz z77z7Y3z4zFiF '?ffi^o 8CSi FjffiRe2o1 � tilFtltl Hit 101#11HHHIIFNII**tIH1*N11/11111111.Ik/tIHH*H N*• LL 9� 0 3emm "r m .c In g w z =a m'$gima8imiiifilm'Oliii f Eco 11 4 LLoo f ge 0,614 fl i«RR�_a�Raa&a�aaaaa a 3 r< F: u z M b3 .a " 2$$$$$ $$$$$$$$$$$$ wxw 11112KTE Riggm^m u fq g I a S N 4 Cc%o ❑o 9 po m u 1 S ' AAIUN% 1 19 8 8 ? :2 8 : 0 . : N LL 2 — Sn 7. ila ;PC 0 S v vE !IP il 1 u <1 li.; 0 sg—Im i u. _ 16 gr- ... n ■ 213 ==A D. a : unimirmar._ I2Nt II U cm ozz:. 75f a _ • sers _ m C� r N 1- 0 _ o N N g e N P I BPPASSPORT BAKER HUGHES Travelling Cylinder Report by INTEQ Company: North America-ALASKA-BP Local Co-ordinate Reference: Well F-31 -Slot 31 Project: Prudhoe Bay TVD Reference: Mean Sea Level Reference Site: PB F Pad MD Reference: 32:31 9/3/1986 00:00 @ 66.30ft(generic drilling rig) Site Error: 0.00ft North Reference: True Reference Well: F-31 Survey Calculation Method: Minimum Curvature Well Error: 0.00ft Output errors are at 1.00 sigma Reference Wellbore F-31A Database: EDM.16-ANC Prod-WH24P Reference Design: Plan 7 Offset TVD Reference: Offset Datum Summary Reference Offset Centre to No-Go Allowable Measured Measured Centre Distance Deviation Warning Site Name Depth Depth Distance (ft) from Plan Offset Well-Wellbore-Design (ft) (ft) (ft) (ft) -- PB F Pad F-01 -F-01 -F-01 10,844.71 9,075.00 351.89 195.25 72.68 Pass-Major Risk F-01 -F-01A-F-01A 10,732.87 9,175.00 122.91 218.60 -81.82 FAIL-Major Risk F-01 -F-01APB1 -F-01A wp08 10,715.42 9,200.00 140.28 223.37 -72.03 FAIL-Major Risk F-01 -F-01APB1 -F-01APB1 10,759.67 9,150.00 160.26 212.40 -39.78 FAIL-Major Risk F-04-F-04-F-04 Out of range F-04-F-04A-F-04A Out of range F-04-F-04APB1 -F-04APB1 Out of range F-04-F-04B-F-04B Out of range F-04_DO NOT USE-F-04-F-04 Out of range F-04_DO NOT USE-F-04A-F-04A Dut of range F-04_DO NOT USE-F-04APB1 -F-04APB1 Out of range F-04_DO NOT USE-Plan 3,F-04B-Plan 3 Out of range F-05-F-05-F-05 Out of range F-05-F-05A-F-05A Out of range F-06-F-06-F-06 Out of range F-06-F-06A-F-06A Out of range F-07-F-07-F-07 Out of range F-08-F-08-F-08 Out of range F-08-F-08A-F-08A Out of range F-09-F-09-F-09 Out of range F-09-F-09A-F-09A 9,540.00 10,981.00 1,315.70 185.75 1,129.91 Pass-Major Risk F-09-F-09B-F-09B Out of range F-10-F-10-F-10 Out of range F-10-F-10A-F-10A Out of range F-10-F-10B-F-10B Out of range F-11 -F-11 -F-11 Out of range F-11 -F-11A-F-11A Out of range F-11 -F-11 B-F-11 B Out of range F-11 -Plan F-11C-Plan#6 F-11 C Out of range F-11_DIMS-F-11 -F-11 Out of range F-11_DIMS-F-11 -F-11 Out of range F-11_DIMS-F-11 -F-11 Out of range F-12-F-12-F-12 Out of range F-13-F-13-F-13 Out of range F-13-Plan F-13B-F-13B wp01.1 Out of range F-13A-F-13A-F-13A Out of range F-15-F-15-F-15 Out of range F-15-F-15A-F-15A Out of range F-15-F-15A-Plan#1(+500) Out of range F-16-F-16-F-16 Out of range F-16A-F-16A-F-16A Out of range F-29-F-29-F-29 Out of range F-29-F-29A-F-29A Out of range F-29-F-29B-Plan 6 9,220.00 12,384.40 777.75 329.14 470.20 Pass-Major Risk F-29_DIMS-F-29-F-29 Out of range F-29_DIMS-F-29A-F-29A Out of range F-30-F-30-F-30 Out of range F-31 -F-31 -F-31 8,999.99 9,000.00 0.27 10.63 -6.13 FAIL-Major Risk F-32-F-32-F-32 Out of range F-34-F-34-F-34 Out of range F-36-F-36-F-36 Out of range F-37-F-37-F-37 Out of range F-38-F-38-F-38 Out of range CC-Min centre to center distance or covergent point,SF-min separation factor,ES-min ellipse separation 11/9/2011 3:35:34PM Page 3 of 32 COMPASS 2003.16 Build 73 t Milli BPPASSPORT BAKER 00411. HUGHES Travelling Cylinder Report ' y„bp I NTEQ Company: North America-ALASKA-BP Local Co-ordinate Reference: Well F-31 -Slot 31 Project: Prudhoe Bay TVD Reference: Mean Sea Level Reference Site: PB F Pad MD Reference: 32:31 9/3/1986 00:00 @ 66.30ft(generic drilling rig) Site Error: 0.00ft North Reference: True Reference Well: F-31 Survey Calculation Method: Minimum Curvature Well Error: 0.00ft Output errors are at 1.00 sigma Reference Wellbore F-31A Database: EDM.16-ANC Prod-WH24P Reference Design: Plan 7 Offset TVD Reference: Offset Datum Summary Reference Offset Centre to No-Go Allowable Measured Measured Centre Distance Deviation Warning Site Name Depth Depth Distance (ft) from Plan Offset Well-Wellbore-Design (ft) (ft) (ft) (ft) PB F Pad F-41 -F-41 -F-41 Out of range F-41 -F-41 PB1 -F-41PB1 Out of range F-43-F-43-F-43 Out of range F-43L1 -F-43L1 -F-43L1 Out of range F-45-F-45-F-45 11,663.29 9,075.00 1,222.73 160.56 1,074.40 Pass-Major Risk F-45-F-45A-F-45A 11,665.35 10,375.00 616.89 166.37 461.16 Pass-Major Risk F-45-F-45B-F-45B 11,338.68 11,240.00 1,174.04 264.65 912.74 Pass-Major Risk F-45-F-45BPB1 -F-45BPB1 11,663.29 9,075.00 1,222.73 160.56 1,074.40 Pass-Major Risk F-46-F-46-F-46 11,075.00 9,175.00 525.10 261.11 274.11 Pass-Major Risk F-46-F-46A-F-46A 11,075.00 9,175.00 525.10 261.11 274.11 Pass-Major Risk F-46-F-46A-Plan#5 11,075.00 9,175.00 525.10 261.39 273.82 Pass-Major Risk CC-Min centre to center distance or covergent point,SF-min separation factor,ES-min ellipse separation 11/9/2011 3:35:34PM Page 4 of 32 COMPASS 2003.16 Build 73 r NIo §' a •I a u.rc n 0E� _ g LL a c. 9 4 S 888 o 1 o of i. si 11 11�� I u p V 3 `W U . . $ n go> L II -11 iI U ■ ill- LI■ ! v rIá ' 1 . . _ o f m t a J a II 1 ' _ ' U u 1 fl it LL Vi/38 8 ~ `U o g II 8 1 rc Q hi 2 — I 0 Q a I of 1i o J a I 1111 IIII 1 m I d 11 . 0 LL 0 1 h ZI ®° nn 0 nu Ca I o « II II ^ J J > 1 E9 Z I ICU:e C7 O > jr. ,OM _ 1 „ 1 J 0n 71 o Eo IH, o o, 1- " • • U ® ic I Z� �- U U A/ " • 1111 IL Di II I1-1 f II— C O • VIj >• u1 " A u 3 _IL) ♦ 1 — O II E E 3 W 1111 a v U 1 hi Ir i u0 0 5 I c IIII I I Y0111 11 2 I > 10) u U I I 1111.511O AMINIIIII ce :,.., NE— ii < .... ..... . 11 1 l il V1 T 1 Q m' 1 Ce O 2. 0 1 ..:8'Z m1 1 " I;I II i L 1 ® 1I1 IIO I181111887181160 S I 111 011 Z /\ liontZ /0l 11 4 11 !III 1 8 !1411=11 ll 1 V Page 1 of 1 Schwartz, Guy L (DOA) From: Hubble, Terrie L [Terrie.Hubble@bp.com Sent: Tuesday, January 03, 2012 9:25 AM To: Schwartz, Guy L (DOA) Cc: Sayers, Zach J; Ron.Phillips@bp.com; Staudinger, Mark Subject: Permits Needed... Happy New Year Guy... zietyou mind checking on a couple of Permits for us... We thought we would have them back by now. B (211-061) is set to begin in the next few days (originally planned tq be in 01/01/12,�s�o we rg ry ous to get that one back approved. // 4a f 1� �'d� 18-15C was planned for 01/01/12, but now has been delayed for a week or two. ---7 ,` rr) ' 1 / And, Sundry F-31 (186-157)was planned to begin 12/15/11, but we haven't received the Sundry back v k eot The work has been done that didn't require the Sundry, but they are anxious to get the rest of the work done. / � -. , ri 1 Thanks! Terrie N 1/3/2012 Land Administration System Page 1 of 1 \lasiw lkparlment�1� Natural Resources Alaska DNR Case Summary File Type: ADL File Number: 28280 See Township,Range,Section and Acreage? Yes No New Search File: ADL 28280 Search for Status Plat Updates As of 01/05/2012 Customer: 000107377 BP EXPLORATION(ALASKA)INC PO BOX 196612/900 E.BENSON BL ATTN:LAND MANAGER-ALASKA ANCHORAGE AK 995196612 Case Type:784 OIL&GAS LEASE COMP DNR Unit: 780 OIL AND GAS File Location:DOG DIV OIL AND GAS { Case Status:35 ISSUED Status Date: 08/19/1965 Total Acres: 2560.000 Date Initiated:05/28/1965 Office of Primary Responsibility:DOG DIV OIL AND GAS Last Transaction Date:12/04/2006 Case Subtype: NS NORTH SLOPE Last Transaction:AA-NRB ASSIGNMENT APPROVED Meridian: U Township: onN Range: o13E Section: 01 Section Acres:640 Search Plats Meridian: U Township: onN Range: o>3E Section: 02 Section Acres:640 Meridian: U Township: onN Range: 013E Section: 11 Section Acres:640 Meridian: U Township: o11N Range: oi3E Section: 12 Section Acres:64o Legal Description 05-28-1965***SALE NOTICE LEGAL DESCRIPTION*** C14-91 Ti1N,R13E,UM 1,2,11,12 2,560.00 07-07-1987***LISBURNE PARTICIPATING AREA DESCRIPTION*** T.11 N.,R.13 E.,U.M. SECTIONI:ALL 640 ACRES SECTION 12:ALL 640 ACRES CONTAINING 1280 ACRES MORE OR LESS. Department of Nature?Resources 550 W 7th Are.Suite 1260 Anchorage.AK 99501-3557 Phone907-269-8400 Fax 907-259-3901 TTY 607-269-8411 State of Ataska 2010 fl Webmaste http://dnr.alaska.gov/projects/las/Case Summary.cfm?FileType=ADL&FileNumber=28280... 1/5/2012 OVERSIZED DOCUMENT INSERT This file contains one or more oversized documents. These materials may be found in the original hard file or check the parent folder to view it in digital format. TRANSMITTAL LETTER CHECKLIST WELL NAME PTD# O+?/o7 /Development Service Exploratory Stratigraphic Test Non-Conventional Well FIELD: ',G'l�.O.4/OE"�A/ POOL: :'D,r✓/ M c 01V ©/G Check Box for Appropriate Letter/ Paragraphs to be Included in Transmittal Letter CHECK ADD-ONS WHAT (OPTIONS) TEXT FOR APPROVAL LETTER APPLIES MULTI LATERAL The permit is for a new wellbore segment of existing well • (If last two digits in Permit No. ,API No. 50- - - API number are between 60-69) Production should continue to be reported as a function of the original API number stated above. PILOT HOLE In accordance with 20 AAC 25.005(f), all records, data and logs acquired for the pilot hole must be clearly differentiated in both well name ( PH) and API number (50- - - ) from records, data and logs acquired for well SPACING The permit is approved subject to full compliance with 20 AAC EXCEPTION 25.055. Approval to produce/inject is contingent upon issuance of a conservation order approving a spacing exception. assumes the liability of any protest to the spacing exception that may occur. DRY DITCH All dry ditch sample sets submitted to the Commission must be in SAMPLE no greater than 30' sample intervals from below the permafrost or from where samples are first caught and 10' sample intervals through target zones. Non-Conventional Please note the following special condition of this permit: Well production or production testing of coal bed methane is not allowed for (name of well) until after (Company Name) has designed and implemented a water well testing program to provide baseline data on water quality and quantity. (Company Name) must contact the Commission to obtain advance approval of such water well testing program. 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