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211-056
7. Property Designation (Lease Number): 1. Operations Performed: 2. Operator Name: 3. Address: 4. Well Class Before Work:5. Permit to Drill Number: 6. API Number: 8. Well Name and Number: 9. Logs (List logs and submit electronic data per 20AAC25.071): 10. Field/Pool(s): Susp Well Insp Install Whipstock Mod Artificial Lift Perforate New Pool Perforate Plug Perforations Coiled Tubing Ops Other Stimulate Fracture Stimulate Alter Casing Pull Tubing Repair Well Other: Change Approved Program Operations shutdown 11. Present Well Condition Summary: Casing Length Size MD TVD Burst Collapse Exploratory Stratigraphic Development Service 14. Attachments (required per 20 AAC 25.070, 25.071, & 25.283) 16. Well Status after work: 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. OIL GAS WINJ WAG GINJ WDSPL GSTOR Suspended SPLUG Authorized Name and Digital Signature with Date: Authorized Title: Contact Name: Contact Email: Contact Phone: PBU E-19C Extended Perf w CTU Hilcorp North Slope, LLC 3800 Centerpoint Dr, Suite 1400, Anchorage, AK 99503 211-056 50-029-20571-03-00 14407 Intermediate Liner Liner Liner Liner 8896 10897 978 1172 489 3577 12523 9-5/8" 7" 4-1/2" 3-1/2" x 3-3/16" 2-3/8" 8898 32 - 10929 10410 - 11388 10282 - 11454 10965 - 11454 10827 - 14404 32 - 8274 7852 - 8645 7751 - 8697 8304 - 8697 8190 - 8896 14358 4780 7020 7500 10530 11780 12523 6870 8160 8430 10160 11200 11900 - 14350 4-1/2" 12.6# L-80 30 - 10286 8861 - 8896 Surface 2680 13-3/8" 33 - 2713 33 - 2700 4930 2670 4-1/2" TIW HBBP Packer 10239 7717 Torin Roschinger Operations Manager Finn Oestgaard finn.oestgaard@hilcorp.com 907-564-5026 PRUDHOE BAY, Prudhoe Oil Total Depth Effective Depth measured true vertical feet feet feet feet measured true vertical measured measured feet feet feet feet measured true vertical Plugs Junk Packer Measured depth True Vertical depth feet feet Perforation depth Tubing (size, grade, measured and true vertical depth) Packers and SSSV (type, measured and true vertical depth) 12. Stimulation or cement squeeze summary: Intervals treated (measured): Treatment descriptions including volumes used and final pressure: 13a.Representative Daily Average Production or Injection Data Oil -Bbl Gas-Mcf Water -Bbl Casing Pressure Tubing Pressure Prior to well operation: Subsequent to operation: 15. Well Class after work: Exploratory Development Service StratigraphicDaily Report of Well Operations Copies of Logs and Surveys Run Electronic Fracture Stimulation Data Sundry Number or N/A if C.O. Exempt: ADL 0028304 30 - 7754 N/A N/A 321 777 29750 24746 18 324 400 1100 800 840 324-422 13b. Pools active after work:Prudhoe Oil No SSSV Installed 10239, 7717 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION REPORT OF SUNDRY WELL OPERATIONS Sr Pet Eng: Sr Pet Geo: Form 10-404 Revised 10/2022 Submit in PDF format to aogcc.permitting@alaska.gov Sr Res Eng: Due Within 30 days of Operations By Grace Christianson at 2:07 pm, Sep 26, 2024 Digitally signed by Torin Roschinger (4662) DN: cn=Torin Roschinger (4662) Date: 2024.09.26 11:33:03 - 08'00' Torin Roschinger (4662) DSR-9/27/24 RBDMS JSB 100324 WCB 10-3-2024 ACTIVITY DATE SUMMARY 9/21/2024 LRS CTU 1, 1.5" Blue Coil. Job Objective: Set CIBP & Ext. Adperf MIRU CTU, N/U BOPs, Function test. M/U drift BHA w/1.79 DJN. RIH **Job in progress** 9/22/2024 LRS CTU 1, 1.5" Blue Coil. Job Objective: Set CIBP & Ext. Adperf Cont RIH w/ drift. Tag at 12595CTMD. POOH. M/U N/S MHA and HES GR/CCL. RIH to 12582 CTM and log up to 10700. Flagged pipe (RED) at 12441.79. POOH. Log data shows a -4' correction, confirmed by OE and Geo. Make up and RIH with 2-3/8" Northern Solutions CIBP. Correct off of flag and set CIBP at 12523. Perform 500psi drawdown test. 200psi gained in 15 minutes. Repeat test and gain 218 psi in 15 minutes. Discuss with OE and decision to perforate. Open circulation sub and displace well to sea water. well confirmed dead after 410bbls total pumped. POOH **Continued to WSR on 9/23/24** 9/23/2024 LRS CTU 1, 1.5" Blue Coil. Job Objective: Set CIBP & Ext. Adperf No flow well. Perform kick while tripping drill with crew. deploy 275' of 1.56" HES millennium guns, 6spf, 60 degree phase. RIH while pumping. Tag CIBP, correct to bottom shot. Perforate intervals 11,898'-11,923', 11,938-12,038', 12,056-12,096, 12,150-12,173' Tie in log SLB MCNL 7/6/2011 Reference log intervals: 11900-11925, 11940-12040, 12058-12098, 12152-12175 POOH pumping pipe displacement + .8bpm. Flow check well at surface - no flow. Hold well control drill with all crews - kick while retrieving. Retrieve perf gun assembly on ~.13bpm losses. Guns retrieved. Pump a 5 bbl 60/40 cap on well as pad operator intends to POP immedeately. RDMO. **Job Complete** Daily Report of Well Operations PBU E-19C CIBP and adperf intervals are correctly shown on WBS, below. -WCB )g Make up and RIH with 2-3/8" y Northern Solutions CIBP. Correct off of flag and set CIBP at 12523. g Reference log intervals: 11900-11925, 11940-12040, 12058-12098, 12152-12175 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 E-19C Extended Perf w CTU Hilcorp North Slope, LLC 3800 Centerpoint Dr, Suite 1400, Anchorage, AK 99503 211-056 50-029-20571-03-00 ADL 0028304 14407 Intermediate Liner Liner Liner Liner 8896 10897 978 1172 489 3577 14365 9-5/8" 7" 4-1/2" 3-1/2" x 3-3/16" 2-3/8" 8896 32 - 10929 10410 - 11388 10282 - 11454 10965 - 11454 10827 - 14404 2430 32 - 8274 7852 - 8645 7751 - 8697 8304 - 8697 8190 - 8896 14358 4780 7020 7500 10530 11780 None 6870 8160 8430 10160 11200 12600 - 14350 4-1/2" 12.6# L-80 30 - 102868905 - 8896 Surface 2680 13-3/8" 33 - 2713 33 - 2700 4930 2670 4-1/2" TIW HBBP Packer No SSSV Installed 10239, 7717 Date: Torin Roschinger Operations Manager Finn Oestgaard finn.oestgaard@hilcorp.com 907.564.5026 PRUDHOE BAY 8/6/2024 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: 2024.07.19 15:08:52 - 08'00' Torin Roschinger (4662) 324-422 By Grace Christianson at 8:45 am, Jul 22, 2024 DSR-7/29/24SFD 7/29/2024 10-404 MGR12AUG24*&: Jessie L. Chmielowski Digitally signed by Jessie L. Chmielowski Date: 2024.08.12 16:40:23 -08'00'08/12/24 RBDMS JSB 081324 Plug & Extended Add-Perf E-19C Well Name:E-19C API Number:50-029-20571-03 Current Status:Operable, Cycle Well Rig:CTU Estimated Start Date:August 2024 Estimated Duration:2days Reg. Approval Req’std?403 & 404 Date Reg. Approval Rec’vd:TBD Regulatory Contact:Abbie Barker Permit to Drill Number:211-056 First Call Engineer:Finn Oestgaard (907) 564-5026 (O) Current Bottom Hole Pressure:3,310 psi @ 8,800’ TVD 7.3 PPGE | (Average Ivishak BHP) Maximum Expected BHP:3,310 psi @ 8,800’ TVD 7.3 PPGE | (Average Ivishak BHP) Max. Anticipated Surface Pressure:2,430 psi (Based on 0.1 psi/ft. gas gradient) Last SI WHP:2,425 psi (taken on 7/21/2022) Min ID:1.875” @ 10,843’ MD (milled bushing in lower deployment sleeve) Max Angle:97 Deg @ 13,900’ MD Max DLS:38.6 @ 11,485’ MD Tie in Log:2011 SLB Memory CNL Brief Well Summary: E-19C is a Z1 completion drilled in 2011. It is completed with 520' of perfs in toe and 350' of perfs in middle section of well. The cement job went to plan, but too much cement was pumped and CTD had to mill stringers from 8327'md down to TOL w/3.8" mill. The liner lap still failed the pressure test with 9-psi/minute leak off so a LTP was set. GL valves #1 are stuck due to cement. In December 2013, a PPROF showed gas from toe, so we set a CIBP and shut off 12 mmscfd gas & the GOR improved to ~50k. Later analysis of the PPROF showed the LTP was leaking, but production rates would indicate that is not the case, so it was never repaired. In August 2014, an LDL found two leaks in the tubing. Patches were set in Nov 2014 and the well returned to production. The well produced with slowly increasing GORs until May 2016 when in a period of 7 days, the gas rate jumped 5mmscfd and the well has been HGOR since. The LTP could be making this well uncompetitive, or it could be lean perfs. Coil had issues on a caliper run in 2018 and had to mill through restrictions at 12601’MD. Caliper was pulled for EOL perfs in 2018 but no additional perfs were added. LTP is stung into upper deployment sleeve, and only a foot of the upper deployment sleeve is exposed. Well has a second deployment sleeve. Listed as 3.270” OD but could be 2.700”, either way the bottom has an aluminum bushing that was milled to 1.875”. Caliper shows the lower deployment sleeve seal bore should be in good shape w/ 2.25” seal bore we can test the LTP with. Well passed MITxT test to 2000psi in 2022. Had CIBP @ 13,672’ MD milled to PBTD. Well came back on with very strong production and low GOR. Since then, GOR has risen to uncompetitive levels and the well has been put on a cycling schedule. Objective:Set CIBP and perform drawdown test. Upon passing, execute extended add-perf. Drift History (past 2 coil interventions): 9/21/2022:First run tagged both patches and the nipple reducer. Rolled pump at the min rate and made it through. Second run tagged first patch and ran KCl down the coil. Made it through both patches and the nipple reducer then stopped pumping. Plug & Extended Add-Perf E-19C 1st run BHA: 1.50" CTC, 1.69" DFCV, 1.69" JAR, 1.69" TJ DISCONNECT (1/2" BALL), 1.69" CIRC SUB (3/8" BALL W/ 6K BURST DISC), 1.69" MOTOR, 1.77" 3-BLADE JUNK MILL, OAL: 18.09' 2nd run BHA: 1.50" CTC, 1.69" x 1.51' DBPV, 1.69" x 5.60' jar, 1.69" x 1.33' TJ DC (1/2" seat), 1.69" x 0.93' CV (3/8" seat), 1.69" x 1.52' tempress screen sub, 1.69" x 1.52' tempress hydropull, 1.69" x 7.63' X-treme motor, 1.69" x 3.30' venturi with 1.74" burn shoe (1.38" I.D.) (OAL ~ 23.58') 10/02/2018: First run no issues w/patches or nipple reducer. Second run sat down on patch #2, nipple reducer and the LT. Had to turn on the motor and spin past each. 1st run BHA: (CTC 1.5" x 0.24', MHA 1.69" x 1.93', xo 1.69" x 0.19', straight bar 1.75" x 4.74', straight bar 1.75" x 4.5', DJN 1.75" x .58') Total length = 12.18' 2nd run BHA: Baker 1.50" x .24', 1.69" x 1.51' MHA, 1.69" x 5.69' Dual Acting Jar, 1.69" x 1.34' TJ Disco (1/2" ball seat), 1.69" x .93' Dual Circ Sub (3/8" ball seat), 1.69" x 7.64' Mud Motor, 1.81" x .72' Junk Mill (OAL = 18.07', Max OD = 1.81") Procedure: Coiled Tubing Setting CIBP ** Note – Do fluid pack the well because we want to perform a drawdown test after setting CIBP. Will snub into well instead. Must include a circ-sub on BHA when deploying the CIBP. 1. MIRU Coil. MU PCE. 2. Drift to 12,575’ for plug set (WSS Discretion for drift). 3. MU and RIH with logging tools (GR/CCL). Run to ~12,575’ MD (can observe original perfs at 12,600’). Min run to 12,550’ to set CIBP at 12,525’. Flag pipe for CIBP and perforations; pull tie-in log. a.Link to the entire tie-in log:\\hilcorp.com\share\Alaska\Hilcorp North Slope\S-Drive- Benson\RES\Wells\PBU\E\E-19C\Logs\Pequin\E-19C-2011_07_06-SCH- E19C_500292057103_CH_MEMORY_COMPENSATED_NEUTRON_LOG_LEETNNTNFGRCCL_07062011- 1020327110.pds.pdf 4. POOH and confirm good log data. Send tie-in log to Finn and Jeff Nelson (Jeff.Nelson@hilcorp.com; 307- 760-8065). 5. MU 1.710” CIBP with a circ-sub and set ~12,523’ tie in log MD. Adjust CIBP depth slightly at WSL discretion to avoid collars. 6. Pull tool above the LTP for drawdown test but remain in-hole. Drawdown test 1. Bleed down 500 psi from the tubing. 2. Observe tubing pressure for 15 minutes. Look for gas entering the wellbore and/or IA pressure change. a. If pressure stabilizes after 15 minutes proceed with operation. b. If pressure changes by more than 100 psi in 15 minutes, contact the OE and test for another 15 minutes. Plug & Extended Add-Perf E-19C Extended Add-Perf Notes: x Due to the necessary open hole deployment of Extended Perforating jobs, 24-hour crew and WSS coverage is required. x Remote gas monitoring for H2S and LELs are required for Open Hole Deployment Operations x The well will be killed and monitored before making up the initial perf guns. This is generally done during the drift/logging run. This will provide guidance as to whether the well will be killed by bull heading or circulating bottoms up throughout the job. If pressure is seen immediately after perforating, it will either be killed by bull heading while POOH or circulating bottoms up through the same port that opened to shear the firing head. 1. Run downhole to above the CIBP. Use a ball drop to isolate the setting tool and engage the circ-sub. 2. Circulate ~205 bbls (1.2x WBV) of 8.35ppg 1% KCl down tubing. Max tubing pressure to sweep gas is 2500 psi, and when fluid packed 1500 psi. a. Wellbore volume to bottom CIBP = 171 bbls b. 4-1/2” Tubing – 10,286’ x 0.0152 bpf = 156 bbls c. 4-1/2” Liner – (10,821’ – 10,286’) x 0.0152 bpf = 8.5 bbls d. 2-3/8” Liner – (12,525’ – 10,821’) x 0.0039 bpf = 6.5 bbls 3. POOH and freeze protect tubing as needed. 4. At surface, prepare for deployment of guns. 5. After MU MHA and pull testing the CTC, tag-up on the CT stripper to ensure BHA cannot pull through the brass upon POOH with guns. 6. Confirm well is dead. Bleed any pressure off to return tank. Kill well with KCl as needed. Maintain hole fill taking returns to tank until lubricator connection is re-established. Fluids man-watch must be performed while deploying perf guns to ensure the well remains killed and there is no excess flow. Monitor IA pressure and bleed off as necessary. 7. *Perform drill by picking up safety joint with TIW valve and space out before MU guns. Review well control steps with crew prior to breaking lubricator connection and commencing makeup of TCP gun string. Once the safety joint and TIW valve have been spaced out, keep the safety joint/TIW valve readily accessible near the working platform for quick deployment if necessary. a. At the beginning of each job, the crossover/safety joint must be physically MU to the perf guns one time to confirm the threads are compatible. 8. Break lubricator connection at QTS and begin makeup of TCP guns per schedule below. Constantly monitor fluid rates pumped in and fluid returns out of the well. Fluids man-watch must be performed while deploying perf guns to ensure the well remains killed and there is no excess flow. Perf Schedule Tie-in logs are 2’ shallow to reference log. Sand TOP MD (Tie-in Log) BOT MD (Tie-in Log) TOP MD (Reference Log) BOT MD (Reference Log) Z1A 11,898’11,923’11,900’11,925’ Z1A 11,938’12,038’11,940’12,040’ Z1A 12,056’12,096’12,058’12,098’ Z1A 12,150’12,173’12,152’12,175’ Plug & Extended Add-Perf E-19C Shoot guns using the tie-in log MDs. ŪIJ ôŘċώIIJťôŘŽÍī ôŘċώ[ôIJČťē @ŪIJώ[ôIJČťē ®ôĖČēťώĺċώ@ŪIJώϼīæŜϽ ͐͐Ϡ͗͗͘Д ϱ ͐͐Ϡ͑͒͘Д ͔͑Д ͐͐Ϡ͑͒͘Д ϱ ͐͐Ϡ͒͗͘Д īÍIJħ ϱ͔͐Д ϭ͐͐͐Ϡ͒͗͘Д ϱ ͐͑Ϡ͏͒͗Д ͐͏͏Д ͐͑Ϡ͏͒͗Д ϱ ͐͑Ϡ͏͔͕Д īÍIJħ ϱ͐͗Д ͐͑Ϡ͏͔͕Д ϱ ͐͑Ϡ͏͕͘Д ͓͏Д ͐͑Ϡ͏͕͘Д ϱ ͐͑Ϡ͔͐͏Д īÍIJħ ϱ͔͓Д ͐͑Ϡ͔͐͏Д ϱ ͐͑Ϡ͖͐͒Д ͑͒Д i[͖͔͑Д ͐͐͏͏ϭώϼ͓ώŕŕċϽ *HES 1.56” guns were used to estimate for this job and calculate gun weights. 9. Make up QTS and PT same. 10. RIH with perf gun BHA and tie-in to coil flag correlation. Pickup and perforate interval per Perf Schedule above. a. Note any tubing pressure change in WSR. 11. After perforating, PUH to top of perforated interval to ensure debris doesn’t fall in on the guns and stick the BHA. Confirm well is dead and re-kill,if necessary, before pulling to surface. 12. Pump pipe displacement while POOH. Stop at surface to reconfirm well is dead. Kill well if necessary. 13. Review well control steps and Standing Orders with crew prior to breaking lubricator connection and commencing breakdown of TCP gun string. 14. Ensure safety joint and TIW valve assembly are on-hand before breaking off lubricator, then LD gun BHA. 15. RDMO CTU. 16. RTP or FP well. Attachments: x Current Wellbore Schematic x Proposed Wellbore Schematic x Tie-in Log x Coil Tubing BOPE Schematic x Standing Orders for Open Hole Well Control during Perf Gun Deployment x Equipment Layout Diagram x Caliper x Liner Tally x Sundry Change Form Plug & Extended Add-Perf E-19C Current Wellbore Schematic Plug & Extended Add-Perf E-19C PTD:2110560 Proposed Wellbore Schematic Plug & Extended Add-Perf E-19C Tie-in Log Information Plug & Extended Add-Perf E-19C Tie-in Log Information Plug & Extended Add-Perf E-19C Tie-in Log – Perfs ͐͐Ϡ͗͗͘Д ϱ͐͐Ϡ͑͒͘Д @ŪIJώ[ôIJČťēϡώ͔͑Ѝ ͐͐Ϡ͑͒͘Д ϱ͐͐Ϡ͒͗͘Д ŕÍèôŘώ[ôIJČťēϡώ͔͐Ѝ ͐͐Ϡ͒͗͘Д ϱ͐͑Ϡ͏͒͗Д Gun Length: 100’ Plug & Extended Add-Perf E-19C Tie-in Log - CIBP IώЬώ͐͑Ϡ͔͑͒Ѝ Plug & Extended Add-Perf E-19C Coiled Tubing BOP’s Plug & Extended Add-Perf E-19C Standing Orders for Open Hole Well Control during Perf Gun Deployment Plug & Extended Add-Perf E-19C Equipment Layout Diagram Plug & Extended Add-Perf E-19C Caliper Plug & Extended Add-Perf E-19C Liner Tally Plug & Extended Add-Perf E-19C 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 HNS Prepared By (Initials) HNS Approved By (Initials) AOGCC Written Approval Received (Person and Date) Approval: Operations Manager Date Prepared: Operations Engineer Date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y Anne Prysunka at 11:07 am, Oct 05, 2022 'LJLWDOO\VLJQHGE\6WDQ*ROLV '1 FQ 6WDQ*ROLV RX 8VHUV 'DWH 6WDQ*ROLV MGR19OCT2022 RBDMS JSB 100622 DSR-10/5/22 $&7,9,7<'$7(6800$5< 7,2 7HPS 6,$VVLVW6/ /RDG7%* ,$ /RDGHG,$ZLWKEEOV IROORZHGE\EEOV&UXGH -REFRQWLQXHGRQ -RE&RQWLQXHGIURP $VVLVW6/ 7%* ,$/RDG 3XPSHGEEOVRI&UXGHGRZQ,$IRUORDG)XUWKHU3XPSHG EEOVRI.&/GRZQ 7%*IRUORDGIROORZHGE\EEOVRI&UXGHIRU)UHH]H3URWHFW3UHVVXUHWHVWHGSOXJ WRSVLDQGORVWSVLLQaPLQ 0,77 3$66('0D[DSSOLHG3UHVVXUH 7DUJHWSUHVVXUH 3XPSHG EEOVRI&UXGHGRZQ7%*WRUHDFK0D[DSSOLHGSUHVVXUHVW0LQ7%*ORVWSVL QG0LQ7%*ORVWSVL7%*ORVWSVLLQDPLQWHVW%OHGEDFNa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a 0' -RELQ3URJUHVV &78&7-RE2EMHFWLYH 0LOO&,%3 &RQWLQXH322+ IUHH]HSURWHFWWKHWXELQJZLWK%%/ VRIGLHVHO5'02 -RE&RPSOHWH 'DLO\5HSRUWRI:HOO2SHUDWLRQV 3%8( & \ 7DJJHG&,%3DWJJ &70 0' 0LOOWKURXJKWKHSOXJDQGSXVKWR3%7'a 0' -RE Image Project Well History File Cover Page XHVZE This page identifies those items that were not scanned during the initial production scanning phase. They are available in the original file, may be scanned during a special rescan activity or are viewable bAdirect inspection of the file. i I - 0 S' Well History File Identifier Organizing(done) ❑ Two-sided 111111111 III IIID ❑ Rescan Needed III 1E1111 1 111111 7RE CAN DIGITAL DATA OVERSIZED (Scannable) C or Items: ❑ Dis ettes, No. ❑ Maps: reyscale Items: ther, No/Type: CP NO• I 4-ler Items Scannable by a Large Scanner 1 a S ❑ Poor Quality Originals: �J OVERSIZED (Non-Scannable) E Other: ❑ Logs of various kinds: NOTES: ❑ Other:: BY: aft Date: v/i/i it"' /s/ Project Proofing II IIIIIIIIII 11111 BY: _ - Date: 7////11* /s/ Scanning Preparation c)N. x 30 = (p O + 6— = TOTAL PAGES tP s (Count does not include cover sheet) BY: Maria Date: fil' iJ /s/ Production Scanning III 111111 I 111 ll ill Stage 1 Page Count from Scanned File: W tp (Count does include cover heet) Page Count Matches Number in Scanning Preparation: YES NO BY: Date: 1711' IL+ is/ ,F Stage 1 If NO in stage 1, page(s) discrepancies were found: YES NO BY: Maria Date: /s/ Scanning is complete at this point unless rescanning is required. III 1111 11111 II 11111 ReScanned Ill 111111 11111 11111 BY: Maria Date: /s/ Comments about this file: Quality Checked 111 111111 III 111 III 4 o v w c as > Ea cn a• ti N p l6 y 0 2 J J V) Z Q I of w') 2 O EWU 0 . ' � , E a x W oh O j l ` NI .2 i d f0 • C' r to O J a W a r 0 CN Co 5 I \ y i oLI- a�. p al L a O J Len 0sL J I O. H N \`� T ! a ,> comas m QE CD ,0 - cc Z U Z m ca pIVQa) Qo azzZ X >> Q d Q cp a ° Q Fa: c I- 2a1-c1.0 2 20 2Zi- 21-o_ 2 To g o 1 a C N N J 0 VIes N N NN NiN N N N N N U Q- iO CO •-_,. ' ' V V \ \ V Z t lr .- c Q7 c c c aac c c c E m I c 0U a a n a m m o- E O O O 0 O O 0 0 0 VI— an ! CI- Z ED- C6 O Z j (6 YO V 'd' C [F M .4- Tr N N d O.. 2 U � I � v,•� :p 1- aoE Z � N W�/ �a 7 W/ t i. 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Z II Q Ij 1, J ISI V O �a z I 1 an r N N t6 r/� J (/) 0 Ii/ Q c N ;II LIJ cp >oCDoz w = .�_ .E.E V U 00 Q U 1I rn H W 1 1 11 I— I— E 0 CON W < a0 CO n W CO11 p m H m Q re I a15 i Q z° E I r p 10� E m z a) co co I z 'll o 0 .) tI o 2 } Iin < m d z N n• n J a) 6 o cam. > m o Q v H c) C 4 z a� u cam. c c O o y y • ca H U , T.? I E O. E 5 — n I a 2 Q 5 0 QX 10 'I o D A REC I.: . • STATE OF ALASKA JAN Q S 2 1214 • AL,.,r(A OIL AND GAS CONSERVATION COMMk,1ON REPORT OF SUNDRY WELL OPERATIONS AOGCC 1.Operations Abandon ❑ Repair Well❑ Plug Perforations Li Perforate Li Other E e.•.7/ ei/g0 Performed: Alter Casing ❑ Pull Tubing Stimulate-Frac ❑ Waiver ❑ Time Extension❑ VLF 5/22 Change Approved Program [l] Operat.Shutdown❑ Stimulate-Other ElRe-enterSuspended Well❑ 2.Operator 4.Well Class Before Work: 5.Permit to Drill Number: Name: BP Exploration(Alaska),Inc Developmert❑✓ Exploratory ❑ . 211-056-0 3.Address: P.O.Box 196612 Stratigraphic❑ Service ❑ 6.API Number: Anchorage,AK 99519-6612 • 50-029-20571-03-00 7.Property Designation(Lease Number): 8.Well Name and Number: ADL0028304 • PBU E-19C 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 14407 feet Plugs measured 13672 feet true vertical 8896.46 feet Junk measured None feet Effective Depth measured , 13672 feet Packer measured See Attachment feet true vertical 8925.77 feet true vertical See Attachment feet Casing Length Size MD TVD Burst Collapse Structural None None None None None None Conductor 80 20"91.1#H-40 34-114 34-114 1530 520 Surface 2681 13-3/8"72#L-80 33-2714 33-2701.26 4930 2670 Intermediate None None None None None None Production 10902 9-5/8"47#L-80 32-10934 32-8278.27 6870 4760 Liner See Attachment See Attachment See Attachment See Attachment See Attachment See Attachment Perforation depth Measured depth 12600-12740 feet 12770-12980 feet 13720-13840 feet 13910-14150 feet 14190-14350 feet True Vertical depth 8905.27-8913.15 feet 8914.42-8910.02 feet 8922.2-8910.85 feet 8903.78-8895.76 feet 8894.95-8895.92 feet Tubing(size,grade,measured and true vertical depth) 4-1/2"12.6#L-80 30-10286 30-7753.91 Packers and SSSV(type,measured and true vertical depth) See Attachment See Attachment See Attachment Packer I None None None SSSV 12.Stimulation or cement squeeze summary: Intervals treated(measured): Treatment descriptions including volumes used and final pressure: RBDM MAY 16 2014 13. Representative Daily Average Production or Injection Data Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure Prior to well operation: 319 22068 14 0 848 - Subsequent to operation: 245 10369 9 0 983 14.Attachments: 15.Well Class after work: Copies of Logs and Surveys Run Exploratory❑ Development Q . Service❑ Stratigraphic ❑ Daily Report of Well Operations X 16.Well Status after work: Oil . jij Gas U WDSPLL GSTOR ❑ WINJ ❑ WAG ❑ GINJ ❑ SUSP ❑ SPLUCJ 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.Summerhaysabp.com Printed Name Nita Summerh- s Title Data Coordinator Signatu A A�'/i , ,,,,,,t,/, _1 Phone 564-4035 Date 1/8/2014 Yi_F 5/zz/14- / f/J2// Form 10-404 Revised 10/2012 Submit Original Only Daily Report of Well Operations ADL0028304 ACTIVITYDATE U 8 w/ 1.5" .109 wall CT 23.4 is vo Job scope: Drift, PPROF, Contingent CIBP MU/RIH with Weatherford MHA w/1.8"drift nozzle. RIH with well flowing to 11723'. SI well, drift to 14360'. Pull coil limit off TD. Pop well. Had to reduce WHP to get off bottom. Flag CT 30' off btm @ 14360'. POOH. MU/RIH w/SWS mem STP w/Ghost, SI well and immediately log static temp @ 80 fpm 10700'-14356'. Pop well let well stabilize. Log up @ 40 fpm to 12400' RBIH to 14170' ***job in progress*** 12/12/2013 CTU 8 w/ 1.5" .109 wall CT 23.4 bbl vol «< Continue WSR from 12/12/13 >>> Job scope: Drift, PPROF, Contingent CIBP Log up @ 60 fpm from 14170' to 12400'/ Log up @ 80 fpm from 14170' to 10600' Perform stop counts 14170', 13880' ,13690', 13240'12765' and 12500'. Painting flags @ 14170', 13880', 13690', 12765'. POOH, good data. Decision to set CIBP. MU Weatherford 2 3/8" CIBP. Kill/fluid pack well with 10 meth/wtr, 100 bbl KCL, 31 bbl meth/wtr. RIH w CIBP Set CIBP at 13672' set 3 k down on plug POOH Pad op arrived 12/13/2013 to POP well. «< Job in progress >>> CTU 8 w/ 1.5" .109 wall CT 23.4 bbl vol <<< Continue WSR from 12/13/13 >>> Job scope: Drift, PPROF, Contingent CIBP 12/14/2013 At surface L/D setting tools ball has been recovered. RDMO FLUIDS PUMPED BBLS 96 60/40 METH 96 TOTAL m N O O U ' OcDc 0 0000 • M (CI CO CO 7 1I)Ea 0000 N O O CO CO � 00 I� CO (3) (3) I's CO O) CO CO l[) N N (3) - N cr CO M 1.000 Ch - N ctN 00 N I- O u) CO Cr) CO (3) N 00 CO CO CO CO CO N N- co Co (O co O) I� O) CO CO CO M 00 M N co O M In O N 00 M M Cr) Is CO CO CO CO I"- 00 00 CO C d O) 00 (O If) N Tr CO 00 00 O) Lf) L0 M 00 M O) N 1.0 O) N •- •- - •- O N M O N O V i i i i i I i i QM Not() (oto Nco co c3)N • ( N M M = O O O N C J i— Q 0 CD 0 � C) � °° °° °° °° CO C d M N N •N N N cNi U °) _ _ N CV CO co oD M N O) Cr) 4. 4.. N. mli C 000 O M coN J Z O O LU .0 0 V C7 � ICCW � CCCIIaiZ V Z W W W W W O m O ZZZZZeeDD U J J J J J d (n 1- Packers and SSV's Attachment ADL0028304 SW Name Type MD TVD Depscription E-19C PACKER 10239 7652.4 4-1/2"TIW HBBP-T Packer E-19C PACKER 10290 7692.33 4-1/2" Top Packer E-19C PACKER 10821 8119.92 4-1/2" KB Packer I ` 11-1±.= 4"CIW - WE LFFAD= ( E-19 C SAEc•Y NO IES: WELL AMIE>70"g 11754. ACTUATOR= BAKER C "'4-12"CHROME NIPPLES"'ORIGINAL,"A"& OKB.ELEV = 69 48' I I "R"W Fl I BORES NOT SHOWN REl OW BF.ELEV= 31.6' KOP= 2300' _ 2208F-1-1 412'FES SSSV NIP,D=3.813" Max Angle= 97'@ 13902' 20"CONDUCTOR ? I O Datum MD= 11918' 2590' 9-5/8"DV R(R Datum TVD= 8800'SS GAS LFT MAPDFELS ST MD TVD DEV TYPE VLV LATCH PORT DATE 13-3/8"CSG,72#,L-80,D=12.347" H 2713' 3 4830 4283 50 M82 SO RM 20 07/26/11 2 9069 6877 49 P 'DMY RM 0 1x07/10 L 1 10080 7594 41 MER 'DMt' RM 22 04/09/05 Minimum ID = 1.875" @ 10843' "STA#18#2-CAN'T BEPLFLLEDDLETOCMT NMADS MILLED OUT BUSHING IN DEPLOY SLEEVE I I 10ns' H4-1/2"FES XMP(9-CR),U=3.813" R x 10239' H9-5/8•X 4-1/2'TIW FUBP-T RCR,D=4.00' ' ' 10263' —4-1/2'FES X NP(9-CRI,D=3.813" NOTE T DAMAG®(11107110) TOP OF 4-1/2"LNR — 10282' \ I ' 10274' —14NI 1/2'FES XN P(5-CR)MLL®TO 3.8' 4-1/2"TBG,12.6#,L-80 BIERS. H 10286' m/ \ 10286' r D 4-1/2"WLEG,D=3.958' 0152 bpf, =3.958" 10290' H RAU TT LOGGED 09/16/95 `' 10291' 1-19-5/8-X7"UR TOP PO's D=6.17' TOP OFT LNR —1 10410' 1-1. 10302' —15"X 412"XO,D=3.94" TOP OF CEM3sIT -1 1082T 1 4 4 ` .44i II••4 10821' -{41/7 KB LTP,I)=2.36" n 4•/ �4 1082T H 3.70"BTT DEPLOY M34T SLV,I)=3.00" •v 44 9-5/8"CSG,47#,L-80 BUTT,13=8.681" —1 10929' 1—iV 4. ,I 10833' —3.270"DEPLOY SLV,D=2.25' 4••4 �4 4-4 -t •, •• t •P .t •/ 4 T LI f,26#,U4S BUTT,.0383 bpf,13=6.276' —1 —11459 \ •i .4 4• .4 4-12'LM 12.6#,L-80 NSCT,.0152 bpi,D=3.958" 1— —11459 �• .4 2.65'WFIPSTOCI((TAGGED 06/17/11) — 11472' ti MLLOUTIMADOW(6-19C) 11454'- 11459' 41 PERFORATION SUMMARY REF LOG:SLB MCt'&ON 07/06/11 ANGLE AT TOP PERE: 85'@ 12600' ' Note:Refer to Ptoduction DB for historical perf data SIZE SW NTERVAL Opn/Sgz SHOT SQZ 1.56" 6 12600-12740 0 07/07/11 I 1 36 72' —12-3/8"aBP(12113113) 1.56" 6 12770- 12980 O 07/07/11 1.56" 6 13720- 13840 C 07/07/11 ' 1.56' 6 13910-14150 C 07/07/11 1.56" 6 14190- 14350 C 07/07/11 I IF13TD —1 14365' 4' 2-3/8'LW,4.40#,L-80 STL, 0039. bpf,D 1 41 92' —1 104' ' M a DA I t REV BY COMETS GATE REV BY COMI.B'TRS PRLOHOE BAY LINT 01/02/82 N22E ORIGINAL COMPLETION 1029/13 EZ/JMD CORRECTED PERFTYPO W13L: E-19C 02/06/95 D14 SIDETRACK(E-19A) 12/20/13 DBNMJMD SET C1BP(12/13/13) PERMTND: 2110560 0723107 NORDIC 1 CTD SIDETRACK(E-19B) AR No: 50-029-20571-03 07/09/11 NORDIC 1 CTD SIDETRACK(E-19C) SEC 6,T11N,R14E 1853'FM.&883'FEL 07/26/11 PJC DRLG DRAFT CORRECTIONS 07/29/11 RCT/PJC GLV 00(07/26/11) BP Exploration(Alaska) CO -0 D D ro yo -I 0N^ m -Ii CH mo X D z , fnw ea m CO » c m m W = o m d m D 000 ro o 7 vat a coi 0 0 0 c * oNA0Am3 ... x c' -' -rtf_ ? 7 0 t D co m sr OP W p D 0 < � G � W � 3f, KJ. _, "� � NO1.4 Nfr � O A t0 " � -'i a5v * i (n6 > -..4 w 0°fDDD , oW — mNmo = m0 6 '4 c c " - c0i m m AA to X m m N o W W D W W W D W W W W W W W W W W W W W W 1 m0-. M W AA -<' 0) 0A nHno123npL -40 CCD f- 7S Cyl- 7C S � ao ,_ m W a O v 0 O.0 0 0 0 Sp 0 0 0 0 0 0 0 0 0 0 Q W 3-< ,!000; 00 W00 A00fOAAgOqON # 5 cn(n OD O O N A co V W OD Co N V f0 A O 2 z v MAW077MMEMXXEME JWXM33M 0 =. mmmcncnmmmmmmmmmmmmmmmm a tntntnq -10 (mE000EwEtntncnwEE0 E'i m m mw m m m m m m m m m m m z m m W _ - m W O W m m O m O W m m m O O W o ,z < < < W o < < m < < < m < m « « ” .‹ m fo 000 -1300 -< 000 -( 0 -< 0000 0 m m 53573 ‹ mx0m13710zOxxAz00m c '.c www , ww3www3w3wwww33w W a > > > W --11m ., -DI -Dim -im -1 -Di -4 -Imm ., i w CCC 0 c c m c c c m c m c c c c m m c O c D D D y D p m 11 i1 , -_i _i _i , -1 , _ -1 -4 -1 -1 r 71 z 000 oomooOmom0000mmo O m zzz zzozzzozozzzzooz o i 0 11 -1 -az111z -4z -i -i -i -izz -i 1 o o o o o o m 0 0 o m o m 0 0 0 o m m o o m0 0 0 O O C 0 0 0 C O C o 0 0 0 C C 0 0 cdU -< r r r r r -i r r r 1 r 1 r r r r 1 1 r m r r r r r 0 r r r 0 r 0 r r r r 0 0 r f 0 000 OOz000 = Oz0000zZ0 t O nr G0) G0) 0 G)00 It -7 > , f c m ofpmwTTf0Q, . w W fAA ....0.31., fmmwT V inch L L D D D L ( w D O L D D p L L i D L 0 SvCC paC79a C7 < C f 7 7. . a f 7 7- fn 0 J J J i J J J — ' 0 -. w r D ND 0o co N fll V 301 , O m W O 0 co G M c3 CD cn p K O 3 m > 119.c' D41DD0 7\ � n 0 7 CD n CO (DN = 0 O co M O 0-• cn C � ,w„ = pD fJ cn a ft, V yN N c = Dm. - QO ° co N X D m y m O0 a m f0 fD<w w o �0Wm 0 3 O c am N m c-1` n N O 0 0 3 , 3 D Z /0 V" N 1 .P 0 N 01 4oS2 c� BAKER HUGHES www.bakcrhughee.com PRINT DISTRIBUTION LIST COMPANY BP EXPLORATION(ALASKA), INC COUNTY NORTH SLOPE BOROUGH WELL NAME E-19C STATE ALASKA FIELD PRUDHOE BAY UNIT UA I E 1/4/2012 THIS DISTRIBUTION LIST AUTHORIZED BY: Alfredo Martinez SO#3883500 Log CD Log CD Copies Copies Client/ Partners Copies Copies Client/ Partners 2 1 Company BP EXPLORATION(ALASKA), INC Company Person PETROTECHNICAL DATA CENTER Person Address LR2-1 Address 900 E BENSON BLVD ANCHORAGE,AK 99508 1 1 Company EXXON MOBIL PRODUCTION CO Company Person FILE ROOM Person Address 800 BELL STREET Address EMB GSC 3082 A HOUSTON,TX 77002 1 1 Company STATE OF ALASKA-AOGCC Company Person CHRISTINE MAHNKEN Person Address 333 W.7TH AVE. Address SUITE 100 ANCHORAGE,AK 99501 Company Company Person Person Address Address Company Company Person Person Address Address Company Company Person Person Address Address Page 1 of 1 Saltmarsh, Arthur C (DOA) From: Barker. Elizabeth R (Wipro) [Elizabeth.Barker@bp.com] Sent: Thursday, August 25, 2011 4:01 PM To: Saltmarsh, Arthur C (DOA) Cc: Hubble, Terrie L; Barker, Elizabeth R (Wipro) Subject: Please correct spud date: Permit 211-056 (PBU E-19C) Art, Please correct spud date on Permit 211-056. Correct date: 6/18/2011 I apologize for any inconvenience, Liz -AK- - Project Analyst-Wipro Technologies- BP Office:907.564.5674 1 • STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION WELL COMPLETION OR RECOMPLETION REPORT AND LOG 1a. Well Status: ® Oil 0 Gas 0 SPLUG 0 Other 0 Abandoned 0 Suspended lb. Well Class: 20AAC 25.105 2OAAC 25.110 ® Development 0 Exploratory 0 GINJ 0 WINJ 0 WAG 0 WDSPL 0 Other No.of Completions One 0 Service 0 Stratigraphic 2. Operator Name: 5.Date Comp.,Susp.,or Aband.: 12. Permit to Drill Number: BP Exploration(Alaska) Inc. 7/8/2011 211-056 N/A 3. Address: 6.Date Spudded: 13. API Number: P.O. Box 196612,Anchorage,Alaska 99519-6612 6/8/2011 50-029-20571-03-00 4a. Location of Well(Governmental Section): 7.Date T.D.Reached: 14. Well Name and Number: Surface: 6/23/2011 PBU E-19C 1853'FNL,883'FEL, SEC.06,T11N, R14E, UM 8. KB(ft above MSL): 64.73' 15.Field/Pool(s): v Top of Productiv H izon: M /,,2418'FNL, 1583L, SEC. 08,T11N,R14E, UM GL(ft above MSL): 29.88' Prudhoe Bay Field/Prudhoe Bay Total Depth: 9.Plug Back Depth(MD+TVD): Oil Pool 5146'FNL, 3349'FEL, SEC. 08,T11N, R14E, UM 14365' 8896' 4b. Location of Well(State Base Plane Coordinates,NAD 27): 10.Total Depth(MD+TVD): 16. Property Designation: Surface: x- 664105 y- 5975203 Zone- ASP4 14407' 8896' ADL 028304 TPI: x- 666720 y- 5969414 Zone- ASP4 11.SSSV Depth(MD+TVD): 17. Land Use Permit: Total Depth:x- 667136 Y- 5966695 Zone- ASP4 None 18.Directional Survey: 0 Yes ❑No 19.Water depth,if offshore: 20. Thickness of Permafrost(TVD): (Submit electronic and printed information per 20 MC 25.050) N/A ft MSL 1900'(Approx.) 21.Logs Obtained (List all logs here and submit electronic and printed information per 20 AAC 25.071): 22. Re-DriWLateral Top Window MD/TVD: - MCNUGR/CCUGR/ROP 11454' 8697' 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 See Attachment 24. Open to production or injection? ® Yes 0 No 25. TUBING RECORD If Yes,list each interval open SIZE DEPTH SET(MD) PACKER SET(MD/TVD) (MD+TVD of Top&Bottom;Perforation Size and Number): 1.56"gun diameter,6 SPF 4-1/2", 12.6#,L-80 10286' 10239'/7717' MD TVD MD TVD 12,600'-12740' 8905'-8913' 26. ACID,FRACTURE,CEMENT SQUEEZE,ETC. 12770'-12980' 8914'-8910' � " 13720'-13840' 8922'-8911' *, DEPTH INTERVAL(MD) AMOUNT AND KIND OF MATERIAL USED 13910'-14150' 8904'-8896' ' ' b 1 2500' Freeze Protect w/38 Bbls of Diesel 14190'-14350' 8895'-8896' • 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 4 Flow Tubing Casing Press: Calculated OIL-BBL: GAS-MCF: WATER-BBL: OIL GRAVITY-API(CORR): Press. 24-Hour Rate 28. CORE DATA Conventional Core(s)Acquired? 0 Yes ®No Sidewall Core(s)Acquired? 0 Yes ®No If Yes to either question,list formations and intervals cored(MD+TVD of top and bottom of each),and summarize lithology and presence of oil,gas or water (submit separate sheets with this form,if needed). Submit detailed descriptions,core chips,photographs and laboratory analytical results per 20 MC 250.071. RC-CPA/En None R8DMS AUG 04 2j. ,I.i1. ii >[� _ :, :I r - '''"?.6-. �-t:�, i' ,�=!ssion Form 10-407 Revised 12/2009 1 . q CONTINUED N REVERSE _!/ 8',S. /'/ Submit Original Only i+ 29. GEOLOGIC MARKERS(List all formations and marker.encountered): 30. F.,.,MATION TESTS NAME MD TVD 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. 22TS/Zone 2B lower unit 11475' 8713' None 21 TS/Zone 2A 11532' 8749' TZ1 B/Zone 1B 11677' 8808' TDF/Zone 1A 11795' 8836' TDF/Zone 1A 13903' 8905' Formation at Total Depth(Name): Ivishak Zone 1B 13903' 8905' 31.List of Attachments: Summary of Daily Drilling Reports,Well Schematic Diagram,Surveys 32.I hereby certify that the foregoing is true and correct to the best of my knowledge. Signed: Elizabeth Barker / ?jB ,56Cr Title: Drilling Technologist Date: c3—V/. PBU E-19C 211-056 N/A Prepared By Name/Number. Elizabeth Barker, 564-5674 Well Number / Drilling Engineer: Zech Sayers, 564-5790 Permit No. Approval No. Y INSTRUCTIONS General: This form is designed for submitting a complete and correct well completion report and log on all types of lands and leases in Alaska. Submit a well schematic diagram with each 10-407 well completion report and 10-404 well sundry report when the downhole well design is changed. Item 1 a: Classification of Service Wells: Gas Injection,Water Injection,Water-Alternating-Gas Injection,Salt Water Disposal,Water Supply for Injection, Observation,or Other. Multiple completion is defined as a well producing from more than one pool with production from each pool completely segregated. Each segregated pool is a completion. Item 4b: TPI(Top of Producing Interval). Item 8: The Kelly Bushing and Ground Level elevation in feet above mean sea level. Use same as reference for depth measurements given in other spaces on this form and in any attachments. Item 13: The API number reported to AOGCC must be 14 digits(ex: 50-029-20123-00-00). Item 20: Report true vertical thickness of permafrost in Box 20. Provide MD and TVD for the top and base of permafrost in Box 28. Item 23: Attached supplemental records for this well should show the details of any multiple stage cementing and the location of the cementing tool. Item 24: If this well is completed for separate production from more than one interval(multiple completion),so state in item 1,and in item 23 show the producing intervals for only the interval reported in item 26. (Submit a separate form for each additional interval to be separately produced, showing the data pertinent to such interval). Item 27: Method of Operation: Flowing,Gas Lift,Rod Pump,Hydraulic Pump,Submersible,Water Injection,Gas Injection,Shut-In,or Other(explain). Item 28: Provide a listing of intervals cored and the corresponding formations,and a brief description in this box. Submit detailed description and analytical laboratory information required by 20 AAC 25.071. Item 30: Provide a listing of intervals tested and the corresponding formation,and a brief summary in this box. Submit detailed test and analytical laboratory information required by 20 AAC 25.071. Form 10-407 Revised 12/2009 Submit Original Only WELL NAME: PBU E-19C 23. Attachment- Casing, Liner and Cementing Record Casing Setting Depth MDITVD Hole Size Wt. Per Ft. Grade Top Bottom Top Bottom Size Cementing Record 20" x 30" Insulated Conductor Surface 110' Surface 110' 36" 8 cu yds Concrete 13-3/8" 72# L-80 Surface 2714' Surface 2702' 17-1/2"3720 cu ft Arcticset II 9-5/8" 47# L-80 Surface 10929' Surface 8274' 12-1/4' 1585 cu ft Class 'G', 130 cu ft AS I 7" 26# L-80 10410' 11388' 7852' 8645' 8-1/2" 432 cu ft Class 'G' 4-1/2" 12.6# L-80 10282' 11454' 7751' 8697' 6" 585 cu ft Class 'G' 3-1/2" x 3-3/16" 9.3#/6.2# L-80 10965' 11454' 8304' 8697' 4-1/8" 146 cu ft Class 'G' 2-3/8" 4.4# L-80 10827' 14404' 8190' 8896' 2" 168 cu ft Class 'G' TREE= 4"CMV SAFETY N >: WELL ANGLE>70°@ 11754. WELLHEAD= CM/ E ***4-1/2" *** ACTUATOR= BAKER C 4 1/2"CHROME NIPPLESORIGINAL,"A"& KB. ELEV= 69.48' PJC DRAFT I "B"WELLBORES NOT SHOWN BELOW BF. ELEV= 31.6' KOP= 2300' 2208' —4-1/2"HES SSSV NIP,ID=3.813" Max Angle=101°@ 12344' 20"CONDUCTOR ? 0 Datum MD= 11758' 2590' —19-5/8"DV PKR Datum TVD= 8800'SS GAS LIFT MANDRELS ST MD TVD DEV TYPE VLV LATCH PORT DATE 13-3/8"CSG,72#,L-80, ID=12.347" —I 2713' 3 4830 4275 50 MER SO RM 20 07/26/11 2 9069 6841 49 MER DMY RM 0 10/07/10 1 10080 7553 42 MER DMY RM 22 04/09/05 Minimum ID = 1.875" @ 10843' , 10229' —4-1/2"HES X NIP(9-CR), ID=3.813" MILLED OUT BUSING IN DEPLOY SLEEVE Z 10239' —19-5/8"X 4-1/2"TIW HBBP-T PKR, ID=4.00" ' 10263' 14-1/2"HES X NIP(9-CR), ID=3.813" NOTE:SUSPECT DAMAGED(11/07/10) TOP OF 4-1/2"LNR —I 10282' II1 10274' —14-1/2"HES X NIP(9-CR)MILLED TO 3.8" 4-1/2"TBG, 12.6#,L-80 BTRS, — 10286' 7 \ 10286' —4-1/2"WLEG,ID=3.958" .0152 bpf,ID=3.958" 10290' —I ELMD TT LOGGED 09/16/95 TOP OF 7"LNR —I 10410' I--11Iii \ 10291' —19-5/8"X 7"LNR TOP PKR, ID=6.17" \\\ 10302' —5"X 4-1/2"XO, ID=3.94" TOP OF CEMENT -1 10827' , •I r�• 10821' —4-1/2"KB LTP,ID=2.36" ♦ ♦, •i ••4 10827' —13.70"BTT DEPLOYMENT SLV, ID=3.00" 9-5/8"CSG,47#,L-80 BUTT,ID=8.681" — 10929' 1-4 4 V lk 10833' —I 3.270"DEPLOY SLV,ID=2.25" tti t4 t• ,X ti I. i i • 4 01 7"LNR,26#,IJ4S BUTT, .0383 bpf, ID=6.276" — --11459 I\ til A 1t 4 4-1/2"LNR, 12.64,L-80 NSCT,.0152 bpf, ID=3.958" H —11459 I I MILLOUT WINDOW(E-19C) 11454'- 11459' 1 2.65"WHIPSTOCK(TAGGED 06/17/11) --111472' , PERFORATION SUMMARY REF LOG:SLB MCNL ON 07/06/11 ANGLE AT TOP PERF: 85°@ 12600' I Note:Refer to Production DB for historical perf data SIZE SPF INTERVAL Opn/Sqz DATE I 1.56" 6 12600- 12740 0 07/07/11 ' 1.56" 6 12770- 12980 0 07/07/11 1.56" 6 13270- 13840 0 07/07/11 1.56" 6 13910- 14150 0 07/07/11 1.56" 6 14190-14350 0 07/22/07 I PBTD I— 14365' o 2-3/8"LNR,4.404,L-80 STL,.0039 bpf, ID=1.92" H 14404' 6,' DATE REV BY COMMENTS DATE REV BY COMMENTS PRUDHOE BAY UNIT 01/02/82 N22E ORIGINAL COMPLETION 07/30/11 PJC SAFETY NOTE UPDATE WELL: E-19C 02/06/95 D14 SIDETRACK(E-19A) PERMIT No: 2110560 07/23/07 NORDIC 1 CTD SIDETRACK(E-19B) API No: 50-029-20571-03 07/09/11 NORDIC 1 CTD SIDETRACK(E-19C) SEC 6,T11 N,R14E, 1853'FNL&883'FEL 07/26/11 PJC DRLG DRAFT CORRECTIONS 07/29/11 RCT/PJC GLV C/O(07/26/11) BP Exploration (Alaska) E-19C, Well History (Pre Rig Sidetrack) Date Summary 06/13/11 T/I/0=20/0/0; Conduct PJSM; Test tree cap against SV to 300 &3500 psi for 5 min. to verify barrier (passed); Install lubricator and test against SV to 300 &3500 psi for 5 min. (passed); Set 4-1/16" CIW "H"TWC #278 thru tree for Nordic 1 pre-rig; 1-1' ext. used, tagged @ 108"; Close barriers, R/D lubricator and install tree cap with new o-rings; PR-tree cap to 500 psi for 5 min. (passed); Open barriers and test TWC to 300 and 3500 psi for 5 min. (passed &charted); NO PROBLEMS 06/16/11 WAIT ON MATS. MOVE RIG AND SPOT OVER WELL. NU AND TEST BOP. RIG EVAC DRILL. TEST BOP. INSTALL STUFFING BOX AND GRAPPLE. PULL TEST GRAPPLE. PULL COIL ACROSS INJECTOR. BOOT E-LINE. PUMP E-LINE SLACK BACK. 06/17/11 PULL TWC. FLOW CHECK. RIH WITH NOZZLE ASSEMBLY. CBU. DISPLACE TO MUD. POH 06/17/11 T/I/O =0/0/0 Conduct PJSM. Verify Barriers. Rig up lubricator and test to 500 psi low and 3500 psi high. (passed) Pull 4" CIW H BPV. Nordic 1 06/18/11 PU AND MU MILLING ASSEMBLY. RIH TO WHIPSTOCK. DISPLACE TO MUD. MILL WINDOV Page 1 of 1 Ffia BAKER HUGHES INTEQ North America - ALASKA - BP Prudhoe Bay PB E Pad E-19 - Slot 19 500292057100 E-19C Survey: MWD Survey Report - Geographic 24 June, 2011 40 ,a BAKERY HUGHES Survey Report-Geographic �.„ 1 •.,, INTEQ 0,.s Company: North America-ALASKA-BP Local Co-ordinate Reference: Well E-19-Slot 19 Project: Prudhoe Bay TVD Reference: E-19A:@ 64.73ft(E-19A:) Site: PB E Pad MD Reference: E-19A:©64.73ft(E-19A:) Well: E-19 North Reference: True Wellbore: E-19C Survey Calculation Method: Minimum Curvature Design: E-19C 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 E Pad,TR-11-14 Site Position: Northing: 5,973,160.88ft Latitude: 70°19'59.134 N From: Map Easting: 662,538.97 ft Longitude: 148°40'53.054 W Position Uncertainty: 0.00 ft Slot Radius: 0.000 in Grid Convergence: 1.24 ° Well E-19 API No. 500292057100 Well Position +N/-S 0.00 ft Northing: 5,975,203.00 ft Latitude: 70°20'18.879 N +E/-W 0.00 ft Easting: 664,105.00 ft Longitude: 148°40'6.028 W', Position Uncertainty 0.00 ft Wellhead Elevation: ft Ground Level: 30.00 ft Wellbore E-19C API No 500292057103 Magnetics Model Name Sample Date Declination Dip Angle Field Strength (°) (0) (nT) BGG M 2011 6/15/2011 21.55 81.03 57,670 Design E-19C 'Audit Notes: Version: Phase: ACTUAL Tie On Depth: 11,450.00 Vertical Section: Depth From(TVD) +N/-S +El-W Direction (ft) (ft) (ft) (°) 34.73 0.00 0.00 161.66 Survey Program Date: 6/24/2011 From To (ft) (ft) Survey(Wellbore) Tool Name Description 100.00 11,450.00 Continuous Gyro Survey(E-19B) GYD-CT-CMS Gyrodata cont.casing m/s 11,453.00 14,407.00 MWD(E-19C) MWD MWD-Standard 6/24/2011 2:07:02PM Page 2 COMPASS 2003.16 Build 73 tom,. . ." i'y I HUGHES Survey Report-INTEQ Geographic ., ,' ikt„ , Company: North America-ALASKA-BP Local Co-ordinate Reference: Well E-19-Slot 19 Project: Prudhoe Bay TVD Reference: E-19A:@ 64.73ft(E-19A:) Site: PB E Pad MD Reference: E-19A:@ 64.73ft(E-19A:) Well: E-19 North Reference: True Wellbore: E-19C Survey Calculation Method: Minimum Curvature Design: E-19C 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 11,450.00 39.04 156.05 8,694.16 -5,830.91 2,477.87 5,969,428.12 666,709.71 70°19'21.529 N 148°38'53.711 W TIP 11,453.00 39.31 155.83 8,696.49 -5,832.64 2,478.65 5,969,426.41 666,710.52 70°19'21.512 N 148°38'53.688 W KOP 11,484.55 46.47 141.28 8,719.65 -5,850.75 2,489.94 5,969,408.55 666,722.20 70°19'21.334 N 148°38'53.359 W 11,517.92 54.15 129.05 8,740.99 -5,868.77 2,508.07 5,969,390.93 666,740.73 70°19'21.156 N 148°38'52.830 W 11,555.12 60.56 128.95 8,761.05 -5,888.47 2,532.40 5,969,371.77 666,765.48 70°19'20.962 N 148°38'52.120 W 11,591.90 64.72 131.83 8,777.95 -5,909.65 2,557.26 5,969,351.14 666,790.80 70°19'20.754 N 148°38'51.395 W 11,638.32 70.14 135.01 8,795.76 -5,939.11 2,588.36 5,969,322.37 666,822.54 70°19'20.464 N 148°38'50.487 W 11,662.90 72.93 137.90 8,803.55 -5,956.01 2,604.42 5,969,305.83 666,838.96 70°19'20.298 N 148°38'50.019 W 11,709.50 75.53 143.89 8,816.22 -5,990.80 2,632.68 5,969,271.67 666,867.97 70°19'19.956 N 148°38'49.195 W 11,737.62 76.18 148.81 8,823.10 -6,013.49 2,647.78 5,969,249.32 666,883.56 70°19'19.733 N 148°38'48.754 W 11,770.00 77.05 154.51 8,830.60 -6,041.20 2,662.72 5,969,221.94 666,899.11 70°19'19.460 N 148°38'48.318 W 11,801.18 77.36 159.52 8,837.51 -6,069.18 2,674.59 5,969,194.22 666,911.58 70°19'19.185 N 148°38'47.972 W 11,832.76 76.50 164.77 8,844.66 -6,098.45 2,684.02 5,969,165.17 666,921.65 70°19'18.897 N 148°38'47.697 W 11,859.84 75.09 169.13 8,851.30 -6,124.02 2,689.95 5,969,139.74 666,928.14 70°19'18.645 N 148°38'47.525 W 11,889.80 76.48 164.67 8,858.66 -6,152.29 2,696.53 5,969,111.62 666,935.34 70°19'18.367 N 148°38'47.333 W 11,919.82 79.23 159.48 8,864.98 -6,180.20 2,705.57 5,969,083.92 666,944.98 70°19'18.093 N 148°38'47.069 W 11,949.86 82.67 156.57 8,869.71 -6,207.70 2,716.67 5,969,056.67 666,956.68 70°19'17.822 N 148°38'46.746 W 11,979.24 84.98 154.97 8,872.87 -6,234.34 2,728.66 5,969,030.30 666,969.25 70°19'17.560 N 148°38'46.396 W 12,009.94 85.63 160.47 8,875.38 -6,262.64 2,740.25 5,969,002.26 666,981.46 70°19'17.282 N 148°38'46.058 W 12,044.90 87.39 165.80 8,877.51 -6,296.02 2,750.37 5,968,969.11 666,992.31 70°19'16.953 N 148°38'45.763 W 12,069.92 88.25 169.16 8,878.47 -6,320.42 2,755.79 5,968,944.84 666,998.26 70°19'16.713 NI 148°38'45.605 W 12,106.44 89.11 175.90 8,879.31 -6,356.60 2,760.53 5,968,908.77 667,003.79 70°19'16.358 N 148°38'45.467 W 12,142.86 88.53 170.22 8,880.06 -6,392.73 2,764.93 5,968,872.75 667,008.98 70°19'16.002 N 148°38'45.339 W 12,182.70 87.91 161.35 8,881.30 -6,431.30 2,774.70 5,968,834.41 667,019.59 70°19'15.623 N 148°38'45.055 W 12,228.92 88.12 154.47 8,882.90 -6,474.07 2,792.06 5,968,792.03 667,037.88 70°19'15.202 N 148°38'44.548 W 12,264.64 87.30 148.67 8,884.33 -6,505.45 2,809.05 5,968,761.04 667,055.54 70°19'14.894 N 148°38'44.053 W 12,302.54 88.56 155.47 8,885.70 -6,538.89 2,826.77 5,968,727.99 667,074.00 70°19'14.565 N 148°38'43.536 W 12,331.70 87.79 158.47 8,886.63 -6,565.71 2,838.17 5,968,701.43 667,085.98 70°19'14.301 N 148°38'43.204 W 12,377.78 84.27 164.94 8,889.82 -6,609.32 2,852.60 5,968,658.15 667,101.36 70°19'13.872 N 148°38'42.783 W 12,418.28 85.92 170.43 8,893.29 -6,648.73 2,861.20 5,968,618.94 667,110.82 70°19'13.484 N 148°38'42.533 W 12,455.38 87.98 175.45 8,895.26 -6,685.48 2,865.75 5,968,582.30 667,116.17 70°19'13.123 N 148°38'42.400 W 12,494.04 87.88 183.01 8,896.66 -6,724.09 2,866.27 5,968,543.72 667,117.54 70°19'12.743 N 148°38'42.386 W 12,533.64 84.59 180.20 8,899.26 -6,763.58 2,865.16 5,968,504.22 667,117.29 70°19'12.355 N 148°38'42.418 W 12,558.66 84.56 175.15 8,901.63 -6,788.46 2,866.17 5,968,479.37 667,118.85 70°19'12.110 N 148°38'42.389 W 12,586.36 85.11 170.92 8,904.12 -6,815.83 2,869.52 5,968,452.07 667,122.79 70°19'11.841 N 148°38'42.292 W 12,617.38 85.51 164.89 8,906.66 -6,846.05 2,875.99 5,968,422.01 667,129.92 70°19'11.544 N 148°38'42.103 W 12,647.40 85.94 159.23 8,908.90 -6,874.52 2,885.21 5,968,393.75 667,139.76 70°19'11.264 N 148°38'41.835 W 12,675.64 87.17 154.46 8,910.60 -6,900.43 2,896.29 5,968,368.09 667,151.41 70°19'11.009 N 148°38'41.511 W 12,706.72 88.03 149.52 8,911.90 -6,927.83 2,910.87 5,968,341.01 667,166.58 70°19'10.739 N 148°38'41.086 W 12,732.40 12,758.74 87.76 147.40 8,912.85 -6,949.70 2,924.29 5,968,319.44 667,180.48 70°19'10.524 N 148°38'40.695 W 87.27 149.05 8,913.99 -6,972.07 2,938.15 5,968,297.38 667,194.82 70°19'10.304 N 148°38'40.291 W 12,784.78 89.75 152.38 8,914.67 -6,994.77 2,950.88 5,968,274.97 667,208.04 70°19'10.081 N 148°38'39.920 W 12,817.66 91.69 158.44 8,914.25 -7,024.65 2,964.55 5,968,245.39 667,222.37 70°19'9.787 N 148°38'39.521 W f 12,853.52 92.37 160.69 8,912.98 -7,058.23 2,977.07 5,968,212.10 667,235.61 70°19'9.456 N 148°38'39.156 W 12,894.88 92.42 167.01 8,911.25 -7,097.91 2,988.55 5,968,172.69 667,247.96 70°19'9.066 N 148°38'38.821 W 12,925.00 91.01 171.06 8,910.35 -7,127.46 2,994.28 5,968,143.27 667,254.33 70°19'8.775 N 148°38'38.655 W 12,966.54 89.88 176.49 8,910.03 -7,168.73 2,998.78 5,968,102.11 667,259.74 70°19'8.369 N 148°38'38.524 W 12,995.14 90.40 180.17 8,909.96 -7,197.32 2,999.62 5,968,073.55 667,261.20 70°19'8.088 N 148°38'38.500 W 13,026.46 89.02 181.91 8,910.12 -7,228.63 2,999.05 5,968,042.24 667,261.31 70°19'7.780 N 148°38'38.517 W 13,065.04 88.87 173.97 8,910.83 -7,267.15 3,000.43 5,968,003.76 667,263.54 70°19'7.402 N 148°38'38.477 W 13,098.96 90.62 167.73 8,910.98 -7,300.62 3,005.82 5,967,970.42 667,269.66 70°19'7.072 N 148°38'38.320 W 13,125.00 92.03 161.80 8,910.38 -7,325.72 3,012.66 5,967,945.47 667,277.05 70°19'6.825 N 148°38'38.121 W 13,164.68 88.34 161.07 8,910.25 -7,363.33 3,025.29 5,967,908.15 667,290.50 70°19'6.456 N 148°38'37.752 W 6/24/2011 2:07:02PM Page 3 COMPASS 2003.16 Build 73 mu ow, tpB HUGHES Survey Report-Geographic - INTEQ 00.41* Company: North America-ALASKA-BP Local Co-ordinate Reference: Well E-19-Slot 19 Project: Prudhoe Bay TVD Reference: E-19A:@ 64.73ft(E-19A:) Site: PB E Pad MD Reference: E-19A:@ 64.73ft(E-19A:) Well: E-19 North Reference: True Wellbore: E-19C Survey Calculation Method: Minimum Curvature Design: E-19C Database: EDM.16-ANC Prod-WH24P Survey i Measured Vertical Map Map Depth Inclination Azimuth Depth +N/-S +E/-W Northing Easting ! (ft) (°) (°) (ft) (ft) (ft) (ft) (ft) Latitude Longitude 13,194.74 89.69 163.83 8,910.76 -7,391.99 3,034.35 5,967,879.70 667,300.18 70°19'6.174 N 148°38'37.488 W 13,226,06 87.67 167.03 8,911.49 -7,422.28 3,042.23 5,967,849.59 667,308.72 70°19'5.876 N 148°38'37.259 W 13,256.24 89.88 173.23 8,912.13 -7,451.99 3,047.40 5,967,820.00 667,314.54 70°19'5.583 N 148°38'37.108 W 13,286.02 90.15 181.13 8,912.12 -7,481.71 3,048.86 5,967,790.32 667,316.65 70°19'5.291 N 148°38'37.066 W 13,312.66 87.73 181.18 8,912.62 -7,508.34 3,048.32 5,967,763.69 667,316.70 70°19'5.029 N 148°38'37.082 W 13,340.44 88.71 182.33 8,913.48 -7,536.10 3,047.47 5,967,735.92 667,316.45 70°19'4.756 N 148°38'37.107 W 13,367.48 88.59 186.85 8,914.12 -7,563.03 3,045.31 5,967,708.95 667,314.88 70°19'4.491 N 148°38'37.171 W 13,396.34 88.25 194.01 8,914.91 -7,591.39 3,040.09 5,967,680.49 667,310.29 70°19'4.213 N 148°38'37.323 W 13,434.04 85.82 197.67 8,916.86 -7,627.60 3,029.82 5,967,644.06 667,300.81 70°19'3.856 N 148°38'37.623 W 13,463.22 83.73 193.69 8,919.52 -7,655.57 3,021.97 5,967,615.93 667,293.57 70°19'3.581 N 148°38'37.853 W 13,500.52 85.73 196.48 8,922.95 -7,691.43 3,012.30 5,967,579.87 667,284.69 70°19'3.229 N 148°38'38.135 W 13,529.80 87.45 197.06 8,924.69 -7,719.41 3,003.87 5,967,551.71 667,276.87 70°19'2.954 N 148°38'38.382 W 13,564.82 88.16 192.44 8,926.03 -7,753.24 2,994.96 5,967,517.70 667,268.71 70°19'2.621 N 148°38'38.642 W 13,600.00 89.29 187.57 8,926.82 -7,787.87 2,988.85 5,967,482.95 667,263.36 70°19'2.280 N 148°38'38.821 W 13,629.28 90.92 181.77 8,926.76 -7,817.04 2,986.47 5,967,453.74 667,261.62 70°19'1.994 N 148°38'38.890 W 13,662.38 91.42 176.62 8,926.09 -7,850.12 2,986.93 5,967,420.68 667,262.81 70°19'1.668 N 148°38'38.877 W 13,694.58 94.31 179.31 8,924.48 -7,882.25 2,988.08 5,967,388.58 667,264.65 70°19'1.352 N 148°38'38.844 W , 13,729.86 96.56 183.66 8,921.13 -7,917.35 2,987.17 5,967,353.47 667,264.51 70°19'1.007 N 148°38'38.871 W 1 13,761.10 95.32 187.36 8,917.90 -7,948.27 2,984.19 5,967,322.49 667,262.21 70°19'0.703 N 148°38'38.959 W 13,789.66 94.73 190.10 8,915.40 -7,976.39 2,979.87 5,967,294.29 667,258.50 70°19'0.426 N 148°38'39.085 W 13,823.18 95.42 194.05 8,912.43 -8,009.03 2,972.88 5,967,261.50 667,252.24 70°19'0.105 N 148°38'39.289 W 13,877.88 95.26 200.56 8,907.33 -8,061.00 2,956.69 5,967,209.20 667,237.19 70°18'59.594 N 148°38'39.762 W 13,902.32 97.09 195.25 8,904.70 -8,084.11 2,949.22 5,967,185.93 667,230.23 70°18'59.367 N 148°38'39.980 W I 13,934.56 95.35 189.10 8,901.21 -8,115.42 2,942.47 5,967,154.48 667,224.16 70°18'59.059 N 148°38'40.178 W 13,959.06 93.63 188.02 8,899.29 -8,139.58 2,938.84 5,967,130.25 667,221.06 70°18'58.822 N 148°38'40.284 W 13,999.28 90.55 184.70 8,897.82 -8,179.51 2,934.39 5,967,090.23 667,217.48 70°18'58.429 N 148°38'40.414 W 14,039.34 90.18 180.37 8,897.57 -8,219.52 2,932.61 5,967,050.20 667,216.59 70°18'58.035 N 148°38'40.466 W 14,072.16 91.72 184.85 8,897.02 -8,252.29 2,931.12 5,967,017.40 667,215.81 70°18'57.713 N 148°38'40.510 W 14,107.76 90.43 189.45 8,896.35 -8,287.60 2,926.69 5,966,982.01 667,212.16 70°18'57.366 N 148°38'40.640 W 14,136.72 90.95 192.76 8,896.01 -8,316.01 2,921.12 5,966,953.48 667,207.20 70°18'57.086 N 148°38'40.803 W 14,164.84 91.32 198.18 8,895.45 -8,343.10 2,913.62 5,966,926.24 667,200.30 70°18'56.820 N 148°38'41.022 W 14,195.06 90.89 201.10 8,894.87 -8,371.55 2,903.46 5,966,897.58 667,190.77 70°18'56.540 N 148°38'41.319 W 14,238.90 89.97 202.81 8,894.54 -8,412.21 2,887.07 5,966,856.57 667,175.28 70°18'56.140 N 148°38'41.797 W 14,269.28 89.17 204.78 8,894.76 -8,440.00 2,874.82 5,966,828.52 667,163.63 70°18'55.867 N 148°38'42.155 W 14,316.50 88.96 195.89 8,895.54 -8,484.23 2,858.43 5,966,783.95 667,148.22 70°18'55.432 N 148°38'42.634 W 14,347.28 89.66 192.35 8,895.91 -8,514.07 2,850.92 5,966,753.95 667,141.36 70°18'55.139 N 148°38'42.853 W 14,369.70 89.42 188.22 8,896.09 -8,536.13 2,846.92 5,966,731.81 667,137.85 70°18'54.922 N 148°38'42.970 W 14,407.00 89.42 188.22 8,896.47 -8,573.04 2,841.59 5,966,694.79 667,133.32 70°18'54.559 N 148°38'43.126 W TD-23/8" 6/24/2011 2:07:02PM Page 4 COMPASS 2003.16 Build 73 i 8 North America -ALASKA- BP Page 1 of 5 Operation Summary Report Common Well Name:E-19 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:6/13/2011 End Date: X3-00YXD-C(2,004,971.00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.: NORDIC 1 Spud Date/Time: 12/19/1981 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:500292057100 Active Datum:E-19:69.48 @69.48ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 6/15/2011 16:00 - 17:00 1.00 MOB P PRE MOVE RIG DOWN PAD 17:00 - 00:00 7.00 MOB P PRE SET RIG DOWN AND WAIT FOR RIG MATS 6/16/2011 00:00 - 04:00 4.00 MOB N WAIT PRE WAIT ON RIG MATS TO ARRIVE FROM 7ES MOVE. RIG MATS LAID,MOVE RIG TO OTHER SIDE OF PAD. 04:00 - 05:00 1.00 MOB P PRE PJSM TO SPOT RIG 05:00 - 05:30 0.50 MOB P PRE RIG SPOTTED OVER WELL,LEVEL RIG 05:30 - 06:00 0.50 RIGU P PRE CONDUCT CREW CHANGE,PJSM ON LEVELING RIG 06:00 - 06:30 0.50 RIGU P PRE LEVEL RIG 06:30 - 07:00 0.50 RIGU P PRE RIG LEVELED,ACCEPT RIG AT 0700 HRS 07:00 - 10:00 3.00 RIGU P PRE REMOVE TREE CAP AND NU BOP 10:00 - 11:30 1.50 RIGU P PRE SPOT CUTTINGS BOX AND TIGER TANK D 11:30 - 16:30 5.00 BOPSUR P PRE TEST BOP TO 250 PSI LOW,3500 PSI HIGH AOGCC REP LOU GRIMALDI WAIVED WITNESS ON 6/14 AT 1650 FIRS. 16:30 - 17:00 0.50 BOPSUR P PRE CONDUCT H2S AND RIG EVAC DRILL 17:00 - 20:00 3.00 BOPSUR P PRE CONTINUE TESTING BOP. BAG FAILED LOW AND HIGH TEST. PASSED SECOND TEST. 20:00 - 00:00 4.00 RIGU P PRE PU INJECTOR. INSTALL STUFFING BOX. INSTALL GRAPPLE AND PULL TEST. PULL COIL ACROSS INJECTOR. BOOT E-LINE. PUMP E-LINE SLACK BACK. 6/17/2011 00:00 - 01:00 1.00 RIGU P PRE INSTALL PACKING. FLUID PACK COIL. PUMP E-LINE SLACK. 01:00 - 02:00 1.00 RIGU P PRE PT INNER REEL VALVE,PACKOFF AND LUBRICATOR 02:00 - 02:30 0.50 RIGU P._ PRE H2S AND RIG EVAC DRILL. AAR. GOOD RESPONSE AND AAR. 02:30 - 05:00 2.50 RIGU P PRE INSTALL CTC. HEAD UP UQC. PJSM. TEST CHECKS. 05:00 - 06:00 1.00 RIGU P PRE LOAD VALVE CREW EQUIPMENT ON RIG 06:00 - 06:30 0.50 RIGU P PRE PJSM ON PULLING TWC 06:30 - 07:15 0.75 RIGU P PRE RU DSM LUBRICATOR. PT TO 250 PSI LOW, 3500 PSI HIGH. OPEN SWAB,SSV,AND MASTER AND TEST TREE INTEGRITY. GOOD TEST. 07:15 - 09:30 2.25 RIGU P PRE PULL TWC. WELL HAS—20 PSI ON IT. CLOSE MASTER AND SWAB. PT AGAINST SWAB. RD LUBRICATOR. INSTALL TREE CAP. 09:30 - 10:15 0.75 RIGU P PRE PU INJECTOR,PUMP 1 COIL VOLUME FORWARD TO COMPLETE SLACK MGT. 10:15 - 11:30 1.25 RIGU P PRE CALIBRATE H2S AND METHANE ALARMS. LOTO ON C-18 COMPLETE. Printed 7/26/2011 1.45.10PM rth America -ALASKA- BP Page 2 of 5 Operation Summary Report Common Well Name: E-19 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 6/13/2011 End Date: X3-00YXD-C(2,004,971.00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.: NORDIC 1 Spud Date/Time: 12/19/1981 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:500292057100 Active Datum:E-19:69.48 @69.48ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 11:30 - 12:30 1.00 KILLW P WEXIT FLOW CHECK WELL. SOME PRESSURE BUILD UP BUT IMMEDIATELY BLEEDS OFF. • ENSURE WELL IS FLUID PACKED. —10 PSI ON WELL WITH NO FLOW TO PITS. NO PRESSURE BUILD UP BUT GAS BREAKING OUT OF FLUID. CONSULT WITH TOWN. PLAN FORWARD IS TO RIH WITH NOZZLE ASSEMBLY TO CIRCULATE AROUND AND DISPLACE TO MUD. • 12:30 - 13:00 0.50 KILLW P WEXIT PJSM ON NOZZLE BHA MU. 13:00 - 14:00 1.00 KILLW P WEXIT . MU NOZZLE BHA AND PT LUBRICATOR. 14:00 - 16:30 2.50 KILLW P WEXIT RIH WITH RETURNS TO TIGER TANK. HOLD 100 PSI BACK PRESSURE. MANUALLY STRAP TIGER TANK. RECEIVING GAS BACK AT 5100'. PUWATTOL31K. 16:30 - 17:45 1.25 KILLW P WEXIT LIGHTLY TAG WHIPSTOCK AT 11,472'. COME ON WITH PUMP TO 1.9 BPM,3800 PSI. 17:45 - 20:00 2.25 KILLW P WEXIT MINOR BURPS OF GAS WITH BOTTOMS UP. MONITOR WELL FOR 30 MINUTES. NO FLOW. CHANGE TO MUD,CONTINUE TO DISPLACE AT 2.8 BPM,3710 PSI. FLOW CHECK WITH MUD ALL THE WAY AROUND. NO FLOW. 20:00 - 23:00 3.00 KILLW P WEXIT POH WITH NOZZLE BHA TO 100'. FLOW CHECK. 23:00 - 00:00 1.00 KILLW P WEXIT LD NOZZLE BHA. CHANGE OUT PACKOFF. PJSM ON MU MILLING BHA. MU 2.74"MILLING BHA:2.74"DIAMOND MILL,2.74"STRING MILL, 2 3/8"X-TREME MOTOR,XO,2 JTS 2 1/16" CSH WORK STRING,XO,BLIND SUB,DGS, DPS,EDC,POWERCOMMS,WEAR SUB, LQC, h UQC,CTC ��t/•r. 6/18/2011 00:00 - 00:30 0.50 STWHIP P WEXIT PRESSURE TEST LUBRICATOR 00:30 - 02:30 2.00 STWHIP P WEXIT RIH WITH MILLING BHA 02:30 - 04:00 1.50 STWHIP P WEXIT LOG TIE-IN. -17'CORRECTION. DRY TAG AT 11,454'. OBTAIN AND RECORD SLOW PUMP RATES. _ 04:00 - 12:30 8.50 STWHIP P WEXIT TIME MILL WINDOW PER BAKER REP AND WELL PLAN. GOOD MOTOR WORK AND SPORADIC WOB. GOOD INDICATION STRING MILL ENGAGED. SAMPLES CONFIRM WINDOW EXIT. TOW 11,453.7',BOW 11,459.2' 12:30 - 12:45 0.25 STWHIP P WEXIT CONTINUE MILLING 10'OF NEW HOLE TO 11,470' • 12:45 - 13:30 0.75 STWHIP P WEXIT BACKREAM AND REAM THROUGH WINDOW THREE TIMES. DRY DRIFT CLEAN. FLOW �� CHECK. OPEN EDC. I 13:30 - 15:30 2.00 STWHIP P WEXIT POH PUMPING AT MAX RATE. 15:30 - 16:00 0.50 STWHIP P WEXIT FLOW CHECK AT 100'. PJSM ON LD BHA. 16:00 - 17:30 1.50 STWHIP P WEXIT PULL TO SURFACE. LD BHA. CHECK TREE • BOLTS,GOOD. BOTH MILLS GAUGED AT 2.74"GO,2.73"NO-GO. WINDOW MILL SHOWS GOOD WEAR IN CENTER. 17:30 - 18:00 0.50 DRILL P PROD1 MU BUILD BHA. PRESSURE TEST QUICK TEST SUB. 18:00 - 20:00 2.00 DRILL P PROD1 RIH WITH BUILD BHA 20:00 - 22:00 2.00 DRILL P PROD1 LOG TIE-IN. -20.5'CORRECTION. OBTAIN AND RECORD SLOW PUMP RATES. Printed 7/26/2011 1:45:10PM -th America -ALASKA- BP Page 3 of 5 Operation Summary Report Common Well Name. E-19 1AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:6/13/2011 End Date: X3-00YXD-C(2,004,971.00) Project: Prudhoe Bay Site: PB E Pad Rig Name/No.: NORDIC 1 Spud Date/Time: 12/19/1981 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:500292057100 Active Datum:E-19:69.48 @69.48ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 22:00 - 23:30 1.50 DRILL P PROD1 DRILL BUILD SECTION FROM 11,470'TO 11,531' 23:30 00:00 0.50 DRILL P PROD1 POH TO WINDOW. FLOW CHECK. OPEN EDC. 6/19/2011 00:00 - 02:00 2.00 DRILL P PROD1 POH WITH DRILLING BHA. FLOW CHECK 100' FROM SURFACE. PJSM ON LD BHA. PULL TO SURFACE. 02:00 - 03:00 1.00 DRILL P PROD1 LD BIT. MU NEW BIT FOR LATERAL SECTION. 03:00 - 04:00 1.00 DRILL P PROD1 PRESSURE TEST QUICK TEST SUB. SURFACE FUNCTION CHECK OF HOT. 04:00 - 06:00 2.00 DRILL N DFAL PROD1 HOT FAILURE. CHANGE OUT HOT. 06:00 - 06:45 0.75 DRILL P PROD1 PRESSURE TEST QUICK TEST SUB 06:45 - 10:00 3.25 DRILL P PROD1 RIH TO 11,120'. LOG TIE-IN. -17' CORRECTION. CONTINUE TO RIH TO WINDOW. PROBLEMS COMMUNICATING WITH HOT. FLOW CHECK BEFORE POH FOR CHANGE. 10:00 - 12:00 2.00 DRILL N DFAL 11,399.98 PROD1 POH WITH BHA. FLOW CHECK AT 300'. PJSM ON LD BHA. 12:00 - 14:00 2.00 DRILL N DFAL 11,399.98 PROD1 PULL TO SURFACE. LD BHA. CHANGE OUT HOT,MU SAME LATERAL BHA. 14:00 - 17:30 3.50 DRILL N DFAL 11,399.98. PROD1 RIH WITH LATERAL BHA. LOG TIE-IN. -20' CORRECTION. TOW 11,453',BOW 11,458.5'. OBTAIN AND RECORD SLOW PUMP RATES BEFORE EXITING WINDOW. CONTINUE TO RIH TO 11,530'. 17:30 - 19:30 2.00 DRILL P PROD1 DRILL DIRECTIONALLY FROM 11,530'TO 11,700'. 19:30 - 20:00 0.50 DRILL P PROD1 WIPER TRIP TO WINDOW WITH NO PROBLEMS. 20:00 - 21:30 1.50 DRILL P PROD1 DRILL DIRECTIONALLY FROM 11,700'TO 11,850' 21:30 - 22:00 0.50 DRILL P PROD1 WIPER TRIP TO WINDOW WITH NO PROBLEMS 22:00 - 00:00 2.00 DRILL P PROD1 DRILL DIRECTIONALLY FROM 11,850'TO 12,000'. LOSSES AT--1 BPH 6/20/2011 00:00 - 01:00 1.00 DRILL P PROD1 WIPER TRIP TO WINDOW. OPEN EDC,PULL INTO WINDOW AND PUMP AT FULL RATE WHILE PULLING UP HOLE TO 9,000'. RUN BACK DOWN TO WINDOW. CLOSE EDC. RIH TO 12,000' 01:00 - 03:00 2.00 DRILL P PROD1 DRILL DIRECTIONALLY FROM 12,000'TO 12,150' 03:00 - 04:00 1.00 DRILL P PROD1 WIPER TRIP TO WINDOW 04:00 - 06:00 2.00 DRILL P PROD1 DRILL DIRECTIONALLY FROM 12,150'TO 12,300' 06:00 - 07:00 1.00 DRILL P PROD1 WIPER TRIP TO WINDOW 07:00 - 10:00 3.00 DRILL P PROD1 DRILL DIRECTIONALLY FROM 12,300'TO 12,450' 10:00 - 11:00 1.00 DRILL P PROD1 WIPER TRIP TO WINDOW. OPEN EDC,PULL INTO WINDOW AND PUMP AT FULL RATE WHILE PULLING UP HOLE TO 9,000'. RUN BACK DOWN TO WINDOW. CLOSE EDC. RIH TO 12,450' 11:00 - 14:00 3.00 DRILL P PROD1 DRILL DIRECTIONALLY FROM 12,450'TO 12,600' Printed 7/26/2011 1:45.10PM 7th America -ALASKA- BP Page 4 of 5 Operation Summary Report Common Well Name: E-19 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:6/13/2011 End Date: X3-00YXD-C(2,004,971.00) Project:Prudhoe Bay Site:PB E Pad I Rig Name/No.: NORDIC 1 Spud DatelTime: 12/19/1981 12:00:00AM Rig Release: E. Rig Contractor:NORDIC CALISTA UWI:500292057100 Active Datum:E-19:69.48 @69.48ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 14:00 - 15:00 1.00 DRILL P PROD1 WIPER TRIP TO WINDOW 15:00 - 18:00 3.00 DRILL P PROD1 DRILL DIRECTIONALLY FROM 12,600'TO • 12,750' 18:00 - 19:00 1.00 DRILL P PROD1 WIPER TRIP TO WINDOW 19:00 - 22:00 3.00 DRILL P PROD1 DRILL DIRECTIONALLY FROM 12,750'TO 12,900' 22:00 - 00:00 2.00 DRILL P PROD1 WIPER TRIP TO WINDOW. OPEN EDC,PULL INTO WINDOW AND PUMP AT FULL RATE WHILE PULLING UP HOLE TO 9,000'. RUN BACK DOWN TO WINDOW. CLOSE EDC. RIH TO 12,900' 6/21/2011 00:00 - 03:00 3.00 DRILL PROD1 DRILL DIRECTIONALLY FROM 12,900'TO 13,050' 03:00 - 04:00 1.00 DRILL PROD1 WIPER TRIP TO WINDOW 04:00 - 07:00 3.00 DRILL PROD1 DRILL DIRECTIONALLY FROM 13,050'TO 13,200' 07:00 - 08:00 1.00 DRILL PROD1 WIPER TRIP TO WINDOW 08:00 - 11:00 3.00 DRILL PROD1 DRILL DIRECTIONALLY FROM 13,200'TO 13,350' 11:00 - 13:00 2.00 DRILL PROD1 WIPER TRIP TO WINDOW. OPEN EDC,PULL INTO WINDOW AND PUMP AT FULL RATE WHILE PULLING UP HOLE TO 9,000'. RUN BACK DOWN TO WINDOW. CLOSE EDC. RIH TO 13,350' 13:00 - 17:00 4.00 DRILL` PROD1 DRILL DIRECTIONALLY FROM 13,350'TO 13,500' 17:00 - 19:00 2.00 DRILL PROD1 WIPER TRIP TO WINDOW 19:00 - 23:00 4.00 DRILL PROD1 DRILL DIRECTIONALLY FROM 13,500'TO 13.650' 23:00 - 00:00 1.00 DRILL PROD1 WIPER TRIP TO WINDOW 6/22/2011 00:00 - 03:00 3.00 DRILL P PROD1 DRILL AHEAD TO 13,800' 03:00 - 04:15 1.25 DRILL P PROD1 SHORT TRIP TO WINDOW 04:15 - 06:00 1.75 DRILL P PROD1 OPEN EDC AT WINDOW. RIH 80',PU AND AND CONTINUE WIPER TRIP TO 9000' 06:00 - 09:45 3.75 DRILL P PROD1 LOG CCL FROM 9000'TO 11,400'TO LOG JEWELRY. CLOSE EDC. EXIT WINDOW. CONDUCT TIE-IN LOG WITH+12' CORRECTION. 09:45 - 10:00 0.25 DRILL P PROD1 RIH TO 13,800'. 10:00 - 12:50 2.83 DRILL P PROD1 DRILL AHEAD FROM 13,800'TO 13,950'. 12:50 - 14:30 1.67 DRILL P PROD1 WIPER TRIP FROM 13,950'TO WINDOW. 14:30 - 16:00 1.50 DRILL P PROD1 JET WINDOW AND PUMP BOTTOMS UP. OPEN EDC 2.16 BPM @ 3992 PSI. CLEAN WELL TO 10,000'. RUN BACK INTO HOLE TO WINDOW. CLOSE EDC. 16:00 - 17:00 1.00 DRILL P PROD1 CONTINUE IN HOLE TO 13,951'MD. 40 FPH, 1.35 BPM IN,2940 CIRCULATING PSI. 17:00 - 18:30 1.50 DRILL P PROD1 DRILL AHEAD FROM 13,951'TO 14,100'MD. 1.6 BPM,MW IN 8.64 PPG,MW OUT 8.58 PPG, 3790-4080 PSI ON,ECD 10.16 PPG 18:30 - 22:00 3.50 DRILL P PROD1 WIPER TRIP TO WINDOW. Printed 7/26/2011 1:45.10PM • rth America- ALASKA- BP Page 5 of 5 Operation Summary Report Common Well Name: E-19 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:6/13/2011 End Date: X3-00YXD-C(2,004,971.00) Project: Prudhoe Bay Site: PB E Pad Rig Name/No.: NORDIC 1 Spud Date/Time: 12/19/1981 12:00:00AM Rig Release: Rig Contractor: NORDIC CALISTA UWI:500292057100 Active Datum: E-19:69.48 @69.48ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 22:00 - 00:00 2.00 DRILL P PROD1 DRILL AHEAD FROM 14,100'TO 14,236'MD. PUMPED LOW/HIGH SWEEP W/GOOD RESULTS 1.6 BPM,MW IN 8.6 PPG,MW OUT 8.70 PPG, 3860-4150 PSI ON, ECD 10.24 PPG 6/23/2011 00:00 - 00:30 0.50 DRILL P PROD1 DIRECTIONALLY DRILL AHEAD TO 14,250'MD. 00:30 - 06:45 6.25 DRILL P PROD1 WIPER TRIP TO 9,000'MD. WIPER TRIP UP INTO WINDOW AND OPEN EDC. CONTINUE WIPING UPWARDS TO 9,000'MD WHILE CIRCULATING A LOW/HIGH VISCOSITY SWEEP. RUN BACK TO WINDOW,CLOSE EDC. RIH TO 13,800'. 06:45 - 07:15 0.50 DRILL P PROD1 UNANNOUNCED KICK WHILE TRIPPING DRILL. CONDUCT AAR. 07:15 - 08:00 0.75 DRILL P PROD1 RIH TO BOTTOM 08:00 - 09:40 1.67 DRILL P PROD1 DRILL AHEAD FROM 14,250'AT 1.6 BPM,3920 PSI, MW IN AND OUT 8.6, ECD 10.08-10.27 PPG 09:40 - 10:30 0.83 DRILL P PROD1 LEL MONITOR AT 2%. MICROMOTION IN AND OUT AND MUD DENSITIES CORRECT, SUSPECT GAS BROUGHT UP FROM WIPER TRIP AND VISCOUS PILLS PUMPED. LEL MONITOR ROSE TO 4%. DIVERT RETURNS TO TIGER TANK,CHECK POSSUM BELLY WITH HANDHELD 0%LEL WHILE MONITOR IN DOGHOUSE ROSE TO 6%LEL. CALL ELECTRICIAN TO TROUBLESHOOT, CALIBRATE MONITOR AT POSSUM BELLY. TAKE RETURNS BACK TO PITS WITH BOTH % HANDHELD AND DOGHOUSE MONITORS ✓ SHOWING 0%LEL. 10:30 - 11:00 0.50 DRILL P PROD1 CONTINUE WITH DRILLING AHEAD AT 1.6 BPM,4015 PSI,MW IN AND OUT 8.6 PPG, ECD 10.1-10.27 PPG. TD AT 14,405'. 11:00 - 18:30 7.50 DRILL P PROD1 PUMP CLEAN 20 BBL QUICKDRILL PILL BEFORE PULLING OFF BOTTOM FOR WIPER TRIP. WIPER TRIP TO WINDOW WENT WELL WITH MINOR OVERPULLS. PULL INTO WINDOW,OPEN EDC,RUN DOWN AND PICK UP AT MAX RATE TO 9000'. REAM ANY TIGHT SPOTS. 18:30 - 19:00 0.50 DRILL P PROD1 CLOSE EDC. TIE-IN LOGS @ 11,470'W/+8.5' CORRECTION. 0.22 BPM/1355 PSI 19:00 - 21:00 2.00 DRILL P PROD1 RIH TO BOTTOM @ 14,407'MD CORRECTED. PUMP IN LINER RUNNING PILL TO BIT. 1.63 BPM/3690 PSI 21:00 - 23:30 2.50 DRILL P PROD1 POH LAYING IN NEW MUD LINER RUNNING PILL(35 BBLS NEW MUD). OPEN EDC&CONTINUE TO POH. FLOW CHECK AT WINDOW-OK.CONTINUE TO POH. 23:30 - 00:00 0.50 DRILL P PROD1 BEGIN 7 DAY FUNCTION TEST PER DISCUSSION W/JOHN CRISP AOGCC. FUNCTION TEST ANNULAR(15 SECONDS)& HCR CHOKE(1 SECOND). Printed 7/26/2011 1:45:10PM North America -ALASKA- BP Page 1 of 16 Operation Summary Report Common Well Name:E-19 AFE No Event Type:COM-ONSHORE(CON) Start Date: 6/25/2011 End Date: X3-00YXD-C(1,039,667.00) Project: Prudhoe Bay Site: PB E Pad Rig Name/No.: NORDIC 1 Spud Date/Time: 12/19/1981 12:00:00AM Rig Release: Rig Contractor: NORDIC CALISTA UWI:500292057100 Active Datum:E-19:69.48 @69.48ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 6/24/2011 00:00 - 01:00 1.00 DRILL P PROD1 POH FLOW CHECK @ SURFACE-OK. 01:00 - 01:30 0.50 DRILL P PROD1 UD BHA. 01:30 - 02:00 0.50 DRILL P PROD1 R/U TO PUMP SLACK. 02:00 - 02:30 0.50 DRILL P PROD1 COMPLETE FUNCTION TEST OF BOPE. BLIND SHEAR,2"COMBI,2-3/8"COMBI&2" COMBI'S ALL+1 SECOND TO CLOSE. REPLACED AND CALIBRATED METHANE DETECTOR. 02:30 - 04:00 1.50 DRILL P PROD1 PUMP SLACK FORWARD.M/U CTC. PULL TEST CTC TO 35000#S, PRESSURE TEST CTC TO 3500 PSI. PIT QWIK TEST SUB TO 3750 PSI,CHART TEST-OK. PUMP OUT&_CUT 230'OF E-LINE. 04:00 - 05:00 1.00 DRILL P PROD1 M/U&PUMP 3/4"BALL TO DRIFT COIL. 05:00 - 07:00 2.00 DRILL P PROD1 CLEAR AND CLEAN RIG FLOOR TO PREP FOR RUNNING LINER. MOBILIZE EQUIPMENT TO RIG FLOOR. 07:00 - 07:15 0.25 CASING P RUNPRD PJSM ON RUNNING LINER,WELL CONTROL DURING OPERATION 07:15 - 16:00 8.75 CASING P RUNPRD MU'2 3/8"LINER ASSEMBLY PER PROGRAM: BIASED EDGE GUIDE SHOE, FLOAT COLLAR, 1 JT 2 3/8"STL LINER,FLOAT COLLAR,2 3/8" PUP JT,LATCH COLLAR,STAGE COLLAR PINNED TO 4500 PSI,110 JTS 2 3/8"STL LINER,2 3/8"STL PUP JT WITH 3 1/2" CENTRALIZER,LBRT PLUG HOLDING BUSHING,BAKER DEPLOYMENT SLEEVE WITH NO GS PROFILE,BAKER GUIDE SLEEVE WITH 4"GS PROFILE. MU RUNNING BHA TO INJECTOR. PRESSURE TEST QUICK TEST SUB TO 250 PSI LOW,3500 PSI HIGH. 16:00 - 18:30 2.50 CASING P RUNPRD RIH WITH 2 3/8"LINER ASSEMBLY.CORRECT DEPTH+17'. RATTY SHALE @: 12,712',12,702',12,787'MD. RIH. TAKING WT, PUMPS @.3 BPM. 18:30 - 20:30 2.00 CASING P RUNPRD WORK COIL&PUMPS @ 12,812'TO 12,827' MD.RIH. RATTY SHALE @:12,917',12,937'MD. PUMPS @ 0.3 BPM,COIL TAKING WT-6037 LBS. 20:30 - 00:00 3.50 CASING P RUNPRD RATTY SHALE-13,067'.@13,087'MD ROP SLOWED. RATTY @ 13,197',13,617'-13,627'MD. WORK PIPE @ 13,687',13,857',14,052'14,067- 14,092'MD TIGHT @ 14,289'MD WORK PIPE,COIL TAKING WT-10,771 LBS. 6/25/2011 00:00 - 02:00 2.00 CASING RUNPRD CONTINUE WORKING COIL IN RATTY SHALE: @ 14,289',14,322 MD Printed 7/26/2011 1:48:54PM )rth America -ALASKA - BP Page 2 of 16 Operation Summary Report Common Well Name: E-19 AFE No Event Type:COM-ONSHORE(CON) Start Date:6/25/2011 End Date: X3-00YXD-C(1,039,667.00) Project: Prudhoe Bay Site: PB E Pad Rig Name/No.: NORDIC 1 Spud Date/Time: 12/19/1981 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI: 500292057100 Active Datum:E-19:69.48 @69.48ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 02:00 - 06:15 4.25 CASING RUNPRD BEGIN PUMPING NEW QUICK DRILL MUD TO CONDITION HOLE. WORK COIL&PUMPS @ 0.3 BPM.CONTINUE TO WORK LINER TO BOTTOM. PUMP 20 BBLS OF LVT 200 TO ASSIST LINER TO BOTTOM @ 14,280'MD. 06:15 - 11:30 5.25 CASING RUNPRD PUW 38K. WORK COIL STRING AND PUMPS. LINER IS ON BOTTOM AT CORRECTED COIL TUBING DEPTH TD OF 14,423'MD. 11:30 - 13:30 2.00 CASING RUNPRD CIRCULATE AND CONDITION HOLE. WORK PUMP RATE UP FROM 0.3 BPM/1800 PSI TO 0.5 BPM/1875 PSI. 13:30 - 15:30 2.00 CASING RUNPRD PU SET BACK DOWN TO CONFIRM ON BS)TTOM PUW 38K. SET DOWN 10K TO PREPARE TO RELEASE FROM LINER RUNNING TOOL. PU 6'TO POSITION REEL FOR BALL DROP. DROP 5/8"BALL,SET BACK DOWN TO 10K SOW. COME ON WITH PUMPS TO MOVE BALL. 15:30 - 17:30 2.00 CASING RUNPRD ATTEMPT TO CIRCULATE 5/8"BALL. NOTED HYDROSTATIC DIFFERENTIAL PRESSURES. PUMPED @ 0.8 BPM AND PSI SHOT UP TO 5000 PSI. SHEARED RIG POP OFF'S 3X DUE TO EXCESSIVE PUMP PRESSURE. POSSIBLY SHIFTING RUNNING TOOL DURING THESE SEQUENCES. P/U TO 14,414'MD-30K SEVERAL TIMES TO ASSERTAIN IF LINER WAS RELEASED. CONTINUE TO PUMP BALL AROUND TO TRY AND GET IT TO SEAT. PUMPED TWO HV SWEEPS. 17:30 - 00:00 6.50 CASING RUNPRD BEGIN TO DISPLACE TO 3%KCL W/BAROID CFS-520 PUMP RATE 1.5 BPM/3650 PSI. ATTEMPT TO LOCATE CAUSE OF EXCESS PRESSURE. EXTRA SLICK WAS NOT ORDERED. SEND 1 TRUCK BACK TO GET LOADED WITH 2X EXTRA SLICK. NOTED LOSSES AT 130 BBLS AWAY. 1 BBL IN 0.6 BBLS OUT. SLOW PUMP RATE TO 0.85 BPM/2480 PSI. 6/26/2011 00:00 - 03:30 3.50 CEMT P RUNPRD BEGIN PUMPING 3%KCL W/EXTRA SLICK 0.85 BPM/2480 PSI. ESTABLISH RATES: 0.5 BPM/750 PSI RETURNS 1 FOR 1. 1 BPM/2150 PSI RETURNS @ 75%. 1.5 BPM/3270 PSI RETURNS @ 50%. DISCUSS W/R.B.&Z.S.TO PUMP ALL CMT. 03:30 - 05:00 1.50 CEMT P RUNPRD PJSM. BATCH UP CEMENT.POSITION TRUCKS. PREPARE TO CEMENT. BATCH UP 30 BBLS 15.8 PPG,YIELD 1.17 CU FT/SACK,LINER SLURRY AT 0420 HRS Printed 7/26/2011 1:48:54PM -th America ALASKA- BP Page 3 of 16 Operation Summary Report Common Well Name:E-19 AFE No Event Type: COM-ONSHORE(CON) Start Date:6/25/2011 End Date: X3-00YXD-C(1,039,667.00) Project Prudhoe Bay Site: PB E Pad Rig Name/No.: NORDIC 1 Spud Date/Time: 12/19/1981 12:00:00AM Rig Release: Rig Contractor: NORDIC CALISTA UWI: 500292057100 Active Datum: E-19:69.48 @69.48ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 05:00 - 08:00 3.00 CEMT P RUNPRD CEMENT 2 3/8"PRODUCTION LINER -BYPASS REEL FILTERS.(USE SLB CEMENT PUMPING UNIT FOR ENTIRE JOB DUE TO EXPECTED PRESSURE LIMITATIONS) -ESTABLISH CIRCULATION RATE OF 1.1 BPM, 1830 PSI.PRIME CEMENT UNIT. -SEND SAMPLE TO LAB. -PUMP 5 BBLS KCL, PT LINES TO 6200 PSI. -PUMP 23.2 BBLS CEMENT AT.8 BPM,3300 PSI(ADDITIONAL VOLUME DUE TO 30% LOSSES) -PUMP PRESSURES ICP=0.77 BPM/3200 PSI. FCP=0.4 BPM/5850 PSI. -CLEANUP CEMENTLINE WITH BIOZAN FROM RIG -LINE UP RIG PUMP AND PUMP 37.7 BBLS 2#/BBL BIOZAN,1.0 BPM,3400 PSI. -SLOW DOWN PUMP TO.8 BPM AT 36 BBLS, CEMENT AT TOOL. -INCREASE RATE TO 1 BPM,2820-3070 PSI WITH CEMENT PAST TOOL. -P/U 10'TO BREAKOVER WT 32K AT 14,415' PER BAKER HAND. CONTINUE TO PU 13'. PUMP 5 BBLS TO EXHAUST 2 BBLS CEMENT AND 3 BBLS BIOZAN FROM COIL. -OPEN BAKER CHOKE,STACK 10 K INTO • LINER DEPLOYMENT SLEEVE. -CLOSE BAKER CHOKE.PRESSURE UP TO SHEAR WIPER PLUG WITH.3 BBLS,3100PS1 AT.25BPM, -PUMP 11.9 BBLS AT.25 BPM TO BUMP WIPER PLUG. PRESSURE UP TOO PSI, HOLD FOR 1 MIN. -SLOWLY-BLEED OFF,OPEN BAKER CHOKE, CHECK FLOATS.FLOATS HOLDING. -PRESSURE UP 2000 PSI, UNSTING.CIP @ 0749 HRS. -R/D CEMENTERS. -500 PSI COMPRESSIVE STRENGTH AT 9 HRS,1500 PSI AT 12 HRS FROM AT WEIGHT BATCH TIME 08:00 - 10:30 2.50 CEMT P RUNPRD PUMP 5 BBLS 2#/BBL BIOZAN AT LINER TOP WHILE RECIPROCATING SLOWLY. CONTINUE PUMPING BIOZAN WHILE SLOWLY PULLING UPHOLE TO CONTAMINATE CEMENT. 10:30 - 11:00 0.50 CEMT P RUNPRD FLOW CHECK BEFORE PULLING BHA INTO BOP STACK. 11:00 - 11:30 0.50 CEMT P RUNPRD PULL LINER RUNNING BHA TO SURFACE. LD BHA. 5/8"RETRIEVED. 11:30 - 13:15 1.75 CLEAN P CLEAN CLEAR AND CLEAN RIG FLOOR. MOVE LINER RUNNING ASSEMBLY OFF FLOOR. MOBILIZE 3.80"CLEANOUT BHA TO RIG FLOOR. Printed 7/26/2011 1:48:54PM 'rth America -ALASKA- BP Page 4 of 16 Operation Summary Report Common Well Name:E-19 AFE No Event Type:COM-ONSHORE(CON) Start Date:6/25/2011 End Date: X3-00YXD-C(1,039,667.00) Project:Prudhoe Bay Site: PB E Pad Rig Name/No.: NORDIC 1 Spud Date/Time: 12/19/1981 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:500292057100 Active Datum:E-19:69.48 @69.48ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 13:15 - 14:30 1.25 CLEAN P CLEAN PJSM ON MU OF 3.80"BHA. MU BHA:3.80" MILL,2 3/8"EXTREME MOTOR,DUAL CIRCULATING VALVE,HYDRAULIC DISCONNECT,DUAL BACK PRESSURE VALVE,CROSSOVER,6-2/3"PH-6 JOINTS, XO,QUICK CONNECT,CTC. 3.80"GAUGE GO, 3,79"GAUGE NO-GO ON MILL. PRESSURE TEST BACK PRESSURE VALVES TO 250 PSI LOW,1500 PSI HIGH. 14:30 - 14:45 0.25 CEMT P RUNPRD PRESSURE TEST QUICK TEST SUB ON INJECTOR TO250 PSI LOW,3500 PSI HIGH. 14:45 - 16:15 1.50 CLEAN P CLEAN RIH WITH CLEANOUT BHA AT 2.0 BPM, 3200-3400 PSI. CEMENT CONTAMINATED MUD RETURNS 500'BELOW SURFACE. 16:15 - 17:00 0.75 CLEAN P CLEAN TAG HARD CEMENT STRINGERS AT 8327'. BEGIN MILLING OPERATIONS. ROP 200'TO 800'FPH. 17:00 - 20:30 3.50 CLEAN N FLUD 8,499.98 CLEAN WAIT ON KCL FLUIDS. 20:30 - 00:00 3.50 CLEAN P CLEAN CONTINUE MILLING STRINGERS AND HARD CEMENT OPERATIONS TO 9730'MD. ROP 210'TO 680'FPH. 2.37 BPM/2660 PSI 6/27/2011 00:00 - 08:30 8.50 CLEAN P CLEAN CONTINUE MILLING STRINGERS AND HARD CEMENT OPERATIONS TO 10,100'MD. ROP 80'TO 500'FPH. 2.43 BPM/3076 PSL MOTOR WORK RANGING FROM 200-400 PSI 08:30 - 09:45 1.25 CLEAN P CLEAN TIME MILL X-NIPPLE AT 10,239' 09:45 - 13:00 3.25 CLEAN P CLEAN CONTINUE MILLING CEMENT AT 2.0-2.1 BPM, 3350-3670 PSI. PUMP 30 BBL HI-VIS BIOZAN SWEEPS. NO NOTICEABLE LARGE CEMENT DEBRIS COMING ACROSS SHAKERS. NO ISSUES PASSING BY NIPPLE AT 10,273' 13:00 - 14:00 1.00 CLEAN P CLEAN TIME MILL X-NIPPLE AT 10,284' 14:00 - 00:00 10.00 CLEAN P CLEAN CONTINUE MILLING CEMENT AT 2.0 BPM, 3340 PSI/2.51 BPM/2758 PSI. PUMP 30 BBL HI-VIS BIOZAN SWEEPS AS NEEDED. ROP 20 TO 100 FPH.MILL TO 10,588'MD. 6/28/2011 00:00 - 04:30 4.50 CLEAN P CLEAN CONTINUE MILLING CEMENT AT 2.0 BPM, 3340 PSI/2.51 BPM/2758 PSI. PUMP 30 BBL HI-VIS BIOZAN SWEEPS AS NEEDED. ROP 20 TO 100 FPH. MILL FROM 10 588 TO- 10,442.2'MD. 10,442.2'MD IS UNCORRECTED DEPTH. TAG LINER TOP 3X TO ENSURE TOP OF LINER 04:30 - 07:00 2.50 CLEAN P CLEAN CIRCULATE 30 BBL SWEEP WELL OUT OF BIT. CHASE SWEEP UP HOLE.FLOW CHECK. PUMP OUT OF HOLE. 07:00 - 07:15 0.25 CLEAN P CLEAN FLOW CHECK WELL-STATIC 07:15 - 07:45 0.50 CLEAN P CLEAN UNSTAB INJECTOR. LAY DOWN 3.80 CLEANOUT BHA. MILL OD WAS A 3.76"GO, 3.75"NO-GO. ORIGINAL OD WAS 3.80" 07:45 - 10:00 2.25 CLEAN P CLEAN MU NOZZLE BHA AND JET STACK. 10:00 - 11:00 1.00 CLEAN P CLEAN BREAK OUT AND LAY DOWN NOZZLE BHA. Printed 7/26/2011 1:48:54PM ~th America -ALASKA- BP Page 5 of 16 Operation Summary Report Common Well Name:E-19 AFE No Event Type: COM-ONSHORE(CON) Start Date:6/25/2011 End Date: X3-00YXD-C(1,039,667.00) Project:Prudhoe Bay Site: PB E Pad Rig Name/No.: NORDIC 1 Spud Date/Time: 12/19/1981 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI: 500292057100 Active Datum:E-19:69.48 @69.48ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 11:00 - 11:45 0.75 CLEAN P CLEAN PJSM. MU BHA 10-1.75"OD CLEANOUT- 1.75"OD USED PARABOLIC MILL, MOTOR, CIRC SUB,DISCONNECT,XO TO 1"CSH. 11:45 - 15:00 3.25 CLEAN P CLEAN PU 120 JOINTS OF 1"CSH SINGLES FROM PIPESHED. 15:00 - 15:50 0.83 CLEAN P CLEAN RD FROM HANDLING 1"CSH. MU REMAINDER OF BHA#10-DISCONNECT, DBPV,2 JTS 2-1/16 CSH,COIL CONNECTOR. STAB INJECTOR AND PRESSURE TEST QUICK TEST SUB. BHA LENGTH CONFIRMED AT 3736.81'. 15:50 - 17:30 1.67 CLEAN P CLEAN RIH W/CLEANOUT BHA#10 TO DEPLOYMENT SLEEVE 90 FPM,0.2 BPM IN,0.57 BPM OUT. 510 PSI CIRC PRESSURE. 17:30 - 17:45 0.25 CLEAN P CLEAN TAKE BASELINE PARAMETERS AT 10,750 CTMD. PU WEIGHT 28K AT 10,750'CTMD. SO WEIGHT—8,500 1 BPM-3100 PSI. 17:45 - 19:30 1.75 CLEAN P CLEAN CLEAN OUT TO PBTD. 19:30 - 20:30 1.00 CLEAN P CLEAN RUNNING OUT OF PUSH. PUMP 40 BBLS OF BIOZAN FOLLOWED BY A MUD SWAP TO XS 3%KCL. 20:30 - 00:00 3.50 CLEAN P CLEAN WORK TOOLS TO BOTTOM. 6/29/2011 00:00 - 05:00 5.00 CLEAN P CLEAN CONTINUE TO WORK TOOLS INTO HOLE LOST DOWNWEIGHT-UNABLE TO CONTINUE IN HOLE. CALLED FOR A HOT SHOT TRUCK TO DELIVER SOME METAL TO METAL FRICTION REDUCER CFS-520, DEFOAMER AND ADDITIONAL EXTRA SLICK. MIXED THE ADDITIVES INTO THE THE MUD AND CIRCULATED AROUND. 05:00 - 11:15 6.25 CLEAN P CLEAN CONTINUE ATTEMPTING TO WORK TOOLS TO BOTTOM. MAKING SLOW PROGRESS BY PUMPING 1BPM,ALLOWING PRESSURES TO STABALIZE AT—2000 PSI,THE BLEED PRESSURE AT BAKER CHOKE AND RIH ONCE COIL WEIGHT RETURNS TO—5K. MAKING 5-10 FEET PER REPITITION. BIT DEPTH=13850 CTMD AT 11:15. ONLY 1-2' PER REP. 11:15 - 12:30 1.25 CLEAN P CLEAN PUMP 23 BBLS 2 PPB VISCOUS BEAD SWEEP. REDUCE RATE TO.77 BPM AS BEADS PASSING THROUGH BHA. .77 BPM,1575 PSI. BIT DEPTH 13850'CTMD. 35K PU -AFTER BEADS AROUND BIT AND THROUGHOUT LINER,WORK PIPE. MAKE PROGRESS IN 15+ATTEMPTS BEFORE PIPE STARTED SLIDING TO BOTTOM OK. RIH FROM 14224 TO PBTD AT 14383 UNCORRECTED CTMD. SO WEIGHT 10.5K AT 30 FPM .36 BPM,640 PSI,PU WEIGHT 35K. Printed 7/26/2011 1:48:54PM • irth America -ALASKA- BP Page 6 of 16 Operation Summary Report Common Well Name:E-19 AFE No Event Type: COM-ONSHORE(CON) Start Date:6/25/2011 End Date: X3-00YXD-C(1,039,667.00) Project:Prudhoe Bay Site: PB E Pad Rig Name/No.: NORDIC 1 Spud Date/Time: 12/19/1981 12:00:00AM Rig Release: Rig Contractor: NORDIC CALISTA UWI:500292057100 Active Datum: E-19:69.48 @69.48ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 12:30 - 16:00 3.50 CLEAN P CLEAN DISPLACE WELLBORE TO NEW 2%XS KCL. WAIT TO POH WHILE PUMPING FLUID OFF OF TRUCK TO COMPLY WITH FLUIDS MANAGEMENT PROCEDURE. ATTEMPT TO RIH FROM 14250 CTMD AFTER KCL 90%DISPLACED BUT AGAIN UNABLE TO RIH-LOCKING UP. 16:00 - 17:00 1.00 CLEAN P CLEAN POH FROM PBTD TO DEPLOYMENT SLEEVE AT 10830'CTMD. 17:00 - 18:00 1.00 CLEAN P CLEAN POSITION COIL AND DROP 1/2"BALL TO OPEN CIRC SUB AND JET ABOVE DEPLOYMENT SLEEVE. WORK MILL IN AND OUT OF DEPLOYMENT SLEEVE AS BALL TRAVELING DOWN HOLE. 1.5 BPM,2700 PSI. NO PRESSURE ANOMALIES NOTED. 18:00 - 18:30 0.50 CLEAN P CLEAN REDUCE RATE TO 0.5 BPM TO LAND BALL ON SEAT AND SHEAR OPEN CIRC SUB. SHEAR OPEN CIRC SUB W/-3200 PSI AT 35 BBLS FROM BALL DROP,COIL VOLUME 39 BBLS. 18:30 - 19:15 0.75 CLEAN P CLEAN POOH JETTING 4-1/2"TUBING AT-2BPM. NO DEBRIS SEEN ACROSS SHAKERS WHEN INSPECTED. 19:15 - 19:30 0.25 -- CLEAN P CLEAN FLOW CHECK WELL-NO FLOW. 19:30 - 19:45 0.25 CLEAN P CLEAN SAFETY MEETING TO STAND BACK 1"CSH AND LD 1.75"CLEAN OUT BHA. 19:45 - 22:30 2.75 CLEAN P CLEAN STANDBACK 60 STANDS OF 1"CSH IN DERRICK. LD 1.75"CLEAN OUT BHA. 22:30 - 00:00 1.50 BOPSUR P RUNPRD RU AND TEST MASTER AND SWAB VALVE- 250 LOW,3500 HI-PASSED 6/30/2011 00:00 - 03:00 3.00 BOPSUR P RUNPRD CHANGE ANNULAR ELEMENT AND CAP SEALS. 03:00 - 07:00 4.00 BOPSUR P RUNPRD OPEN BOP RAM CAVITY DOORS,CLEAN AND INSPECT RAMS, BUTTON UP DOORS. PREPARE FOR BODY TEST. 07:00 - 17:30 10.50 BOPSUR P RUNPRD TEST BOPE TO 250 PSI LOW PRESSURE, j(;1 3500 PSI HIGH PRESSURE. ALL TESTS PASSEL). AOGCC REP JEFF JONES WAIVED WITNESS OF TEST @ 14:00 ON 28-JUN-11. 17:30 - 20:50 3.33 BOPSUR P RUNPRD PRESSURE TEST LINER LAP TWICE.FAILED BOTH TIMES. PRESSURED UP TO 2470 PSI. OBSERVE -9PSI/MINUTE LINEAR BLEEDOFF BUMP PRESSURE BACK TO 2450 PSI,AND SEE SAME ON SECOND ATTEMPT. POPPED INJECTOR OFF WELL AND PRESSURE TESTED LINER LAP A THIRD TIME WITH NIGHT CAP ON. FAILED AGAIN WITH-12PSI/MINUTE CONSTANT PRESSURE BLEED. PUMPED IN 2.5 BBLS TO PRESSURE UP TO 2400 PSI AND BLED OFF 2 BBLS AFTER TEST. NOTIFY WTL JOHN SMART OF RESULTS. 20:50 - 21:25 0.58 EVAL N DPRB 10,874.98 OTHCMP PJSM TO PU MCNL TOOLS AND RUN 60 STANDS OF 1"CSH IN THE WELL FROM THE DERICK. Printed 7/26/2011 1:48:54PM )rth America -ALASKA- BP Page 7 of 16 Operation Summary Report Common Well Name: E-19 AFE No Event Type:COM-ONSHORE(CON) Start Date:6/25/2011 End Date: X3-00YXD-C(1,039,667.00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.: NORDIC 1 Spud Date/Time: 12/19/1981 12:00:00AM Rig Release: Rig Contractor: NORDIC CALISTA UWI:500292057100 Active Datum:E-19:69.48 @69.48ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 21:25 - 00:00 2.58 EVAL N DPRB 10,874.98 OTHCMP MU BHA#11 -MCNL LOGGING TOOLS AND BEGIN RUNNING 60 STANDS CSH IN THE HOLE. TOOLSTRING MAX OD=1.69" 21:25 - EVAL N OTHCMP 7/1/2011 00:00 - 01:30 1.50 EVAL — N DPRB 10,874.98 OTHCMP FINISH RUNNING 60 STANDS OF 1"CSH IN THE HOLE W/BHA#11 MCNL TOOLS TO 3756' CTMD. CONFIRM BHA LENGTH-3755.62' 01:30 - 01:50 0.33 EVAL N DPRB 10,874.98 OTHCMP STAB INJECTOR ON WELL. 01:50 - 02:20 0.50 EVAL N DPRB 10,874.98 OTHCMP PRESSURE TEST QTS 250/3500 PSI. 02:20 - 03:35 1.25 EVAL N DPRB 10,874.98 OTHCMP RIH TO 10,600' 03:35 - 04:15 0.67 EVAL N DPRB 10,874.98 OTHCMP LOG DOWN AT 30 FPM. 04:15 - 06:45 2.50 EVAL N DPRB 10,874.98 OTHCMP TAG UP AT 10,875'.THIS SHOULD BE THE LOGGING TOOL TAGGING THE 1.78"PROFILE IN THE DEPLOYMENT SLEEVE AT 10,862'. AFTER SEVERAL TRIES GOT THROUGH AND TAGGED UP GETTING NO DEEPER THAN 10998'.CALLED TOWN AND CTD SUPERINTENDANT.PRESSURE UP 300 PSI ON BACK SIDE AND WORKED DOWN 5 MORE FEET. 06:45 - 08:15 1.50 EVAL N DPRB 10,874.98 OTHCMP POH TO TOP OF BHA @ 3756'. COMING OUT TO INSPECT BOWSPRING CENTRALIZER ON BOTTOM OF LOGGING BHA. 08:15 - 08:30 0.25 EVAL N DPRB10,874.98 -OTHCMP FLOW CHECK WELL-STATIC 08:30 - 09:00 0.50 EVAL N DPRB 10,874.98 OTHCMP STAND BACK INJECTOR,RU FOR HANDLING HYDRIL. 09:00 - 10:45 1.75 EVAL N DPRB 10,874.98 OTHCMP RACK BACK 58 STANDS 1"HYDRIL. 10:45 - 11:30 0.75 EVAL N DPRB 10,874.98 OTHCMP PJSM ON HANDLING RADIOACTIVE TOOLS. BREAK OUT MEMORY LOGGING TOOLSTRING. SOME SIGNS OF CEMENT DEBRIS ON TOOL. CENTRALIZER IN GOOD SHAPE. OD TAPE TOOLSTRING AND FIND MAX OF ROUGHLY 1.71"MAX OD. DOWNLOADED LOGS AND CORRELATE TO TBG SUMMARY. TOL FOUND AT 10,849 MD REFERENCED TO TBG SUMMARY WHICH CORRELATES TO 10,829'REFERENCED TO RA TIE IN. 11:30 - 13:30 2.00 EVAL N DPRB 10,874.98 OTHCMP WAIT ON BAKER THRU TUBING TOOLS FOR POLISH MILL RUN ON DEPLOYMENT SLEEVE. 13:30 - 15:00 1.50 CLEAN N DPRB 10,874.98 CLEAN MU BHA#12-2.90"POLISH MILL,3.75 OD LOCATOR SUB 5.4'FROM BOTTOM OF MILL, 2-7/8"XTREME MOTOR,CIRC VALVE,3/4" DISCONNECT, DBPV,2EA PH6,CTC. BHA LENGTH CONFIRMED 87.56',MAX OD 3.75"AT LOCATOR SUB. (NOTE: OD OF LOCATOR SUB CORRECTED AFTER OUT OF HOLE. INITIALLY REPORTED AS 3.375") 15:00 - 18:00 3.00 CLEAN N DPRB 10,874.98 CLEAN RIH W/POLISH MILL BHA#12 FROM SURFACE TO GLM NEAR 10080'MD. STARTED SEEING OCCASIONAL 100-150 PSI PRESSURE INCREASES WHILE RIH BELOW 8500'MD. 30K UPWEIGHT 10K DOWNWEIGHT. 2350 PSI FREE SPIN AT 2.4 BPM. Printed 7/26/2011 1:48:54PM -)rth America -ALASKA- BP Page 8 of 16 Operation Summary Report Common Well Name: E-19 AFE No Event Type:COM-ONSHORE(CON) Start Date:6/25/2011 End Date: X3-00YXD-C(1,039,667.00) Project: Prudhoe Bay Site: PB E Pad Rig Name/No.: NORDIC 1 Spud Date/Time: 12/19/1981 12:00:00AM Rig Release: Rig Contractor: NORDIC CALISTA UWI: 500292057100 Active Datum: E-19:69.48 @69.48ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 18:00 - 19:50 1.83 CLEAN N DPRB 10,874.98 CLEAN SEEING MOTOR WORK AT 10,198'. CIRCULATING PRESSURE INCREASED 1100 PSI.CEMENT COMING ACROSS SHAKER. PUMPED A 10 BBL 2#BIOZAN SWEEP AT 19:20. PRESSURES COMING DOWN AS WE PUMP. 19:50 - 21:15 1.42 CLEAN N DPRB 10,874.98 CLEAN PUMPING 2.5 BPM CIRCULATING PRESSURES BACK DOWN TO 2900 PSI. 10K OVERPULL AT 10202'.PICK UP AND TRY AGAIN WITH A STALL AND 5K OVERPULL AT 10202'.TEN TO FIFTEEN STALLS IN THE 5-10K RANGE.SHUT DOWN PUMPS AND TRY TO GET TROUGH, HAD 20 K OVER PULL.TALK TO TOWN AND SUPERINTENDANT AND DECIDED TO POH AND INSPECT BHA. 21:15 - 23:35 2.33 CLEAN N DPRB 10,874.98 CLEAN POH FROM 10202'CTMD TO LOOK AT BHA. 23:35 - 00:00 0.42 CLEAN N DPRB 10,874.98 CLEAN FLOW.CHECK WELL. PJSM TO LD POLISH MILL BHA#12. 7/2/2011 00:00 - 00:15 0.25 CLEAN N DPRB 10,874.98 CLEAN PJSM TO CHANGE OUT BHA. 00:15 - 01:00 0.75 CLEAN N DPRB 10,874.98 CLEAN LAY DOWN BHA#12-2.90 POLISH MILL BHA. BRASS TATTLE TALE IS ROUGHLY WORN. TAKE OD TAPE TO LOCATOR SUB AND DISCOVER OD ACTUALLY 3.75"OD(PRIOR CEMENT MILLING RUN BHA#8 CAME OUT AT 3.75 GO,3.74 NO-GO) DECIDE MAKE ANOTHER 3.80 MILL RUN FOR CLEANOUT. 01:00 - 02:30 1.50 CLEAN N DPRB 10,874.98 CLEAN WAIT ON BAKER TO BRING OUT NEW MOTOR. 02:30 - 03:15 0.75 CLEAN N DPRB 10,874.98 CLEAN PJSM ON MU OF 3.79"BHA#13. MU BHA: 3.79"MILL,2 7/8"EXTREME MOTOR, DUAL CIRCULATING VALVE,HYDRAULIC DISCONNECT,DUAL BACK PRESSURE VALVE,CROSSOVER,2-2 3/8"PH-6 JOINTS, X0,CTC. 3.80"GAUGE GO,3.79"GAUGE NO-GO ON MILL. CONFIRM BHA LENGTH 81.55'. 03:15 - 03:45 0.50 CLEAN N DPRB 10,874.98 CLEAN PT QTS 250/3500 PSI. 03:45 - 05:30 1.75 CLEAN N DPRB 10,874.98 CLEAN RIH 100 FPM, PUMPING.40 BPM @250 PSI. 05:30 - 06:30 1.00 CLEAN N DPRB 10,874.98 CLEAN WORK 3.79 OD PARABOLIC MILL TO TOP OF LINER NO MORE THAN 100 PSI WORTH OF MOTOR WORK SEEN PUMPING 2.45 BPM @3450 PSI. PVT=223 BBL. SEND 15 BBL HI VIS SWEEP OUT OF THE MILL PRIOR TO POH. 06:30 - 09:10 2.67 CLEAN N DPRB 10,874.98 CLEAN POH CHASING SWEEP FROM TOP OF LINER @ 10842 TO SURFACE 2.54 BPM IN RATE. ONCE SWEEP TO SURFACE,SAW INCREASE IN AMOUNT OF FINE CEMENT DEBRIS. CONTINUOSLY RETURNING CEMENT FINES OVER SHAKER ENTIRE TRIP OOH. 09:10 - 09:20 0.17 CLEAN N DPRB 10,874.98 CLEAN FLOW CHECK WELL-STATIC 09:20 - 09:30 0.17 CLEAN N DPRB 10,874.98 CLEAN BREAK APART AND LAY DOWN 3.79"CLEAN OUT RUN BHA#13. MILL OD-3.79"TIGHT-GO,3.78"NO-GO. Printed 7/26/2011 1:48:54PM th America -ALASKA- BP Page 9 of 16 Operation Summary Report Common Well Name:E-19 AFE No Event Type: COM-ONSHORE(CON) Start Date:6/25/2011 End Date: X3-00YXD-C(1,039,667.00) Project: Prudhoe Bay Site: PB E Pad Rig Name/No.: NORDIC 1 Spud Date/Time: 12/19/1981 12:00:00AM Rig Release: Rig Contractor: NORDIC CALISTA UWI: 500292057100 Active Datum:E-19:69.48 @69.48ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 09:30 - 10:00 0.50 CLEAN P CLEAN MU BHA#14-2.90"POLISH MILL,3.720 OD LOCATOR SUB 5.4'FROM BOTTOM OF MILL, 2-7/8"XTREME MOTOR,CIRC VALVE,3/4" DISCONNECT, DBPV,2EA PH6, CTC. BHA LENGTH CONFIRMED 87.83', MAX OD 3.72"AT _LOCATOR SUB. 10:00 - 10:30 0.50 CLEAN P CLEAN PRESSURE TEST QUICK TEST SUB TO 250/3500 PSI. 10:30 - 12:30 2.00 CLEAN P CLEAN RIH W/POLISH MILL BHA#14 TO 10292'CTMD 12:30 - 13:00 0.50 CLEAN P CLEAN SET DOWN 5-10K AT 10294. PU AND BRING PUMPS TO 2.5 BPM,3400 PSI. PU-32K,SO-8K. SLOWLY WORK DOWN. ATTEMPT TO PASS W/PUMPS,WITHOUT PUMPS,STACKING OUT AT 10294' PER JEWELERY LOG,10294 SHOULD BE LOCATOR SUB @ 4.5"LNR TOP PKR. PASS ON 5TH ATTEMPT-2.6 BPM,3500 PSI, 0.2 FPM. NOTHING SEEN WHILE PASSING ON 5TH ATTEMPT. 13:00 - 13:40 0.67 CLEAN P CLEAN CONTINUE IN HOLE FROM 10295-TOP OF DEPLOYMENT SLEEVE @ 10844'. • 2.6 BPM,3650 PSI. SO WEIGHT 10K. 13:40 - 15:00 1.33 CLEAN P CLEAN CLEAN OUT INSIDE DEPLOYMENT SLEEVE FROM 10844.3 CTMD(UNCORRECTED). 100-200 PSI MOTOR WORK. CT WEIGHT 8.8K. / SEND 20 BBL VISCOUS SWEEP AT 1350. CONTINUE TO WORK SLEEVE. Li AT 10848.0,PRESSURE CLIMBED TO 4200 PSI. STACKED 3K ON BHA WITH NO ADDITIONAL PSI BUILD OR MOTOR STALL. SEND 20 BBL SWEEP AT 1440. AFTER SECOND SWEEP AROUND BIT,STACK 5K ON BHA FOR 1 MIN. NO STALLS. 15:00 - 17:30 2.50 CLEAN P CLEAN POH FROM DEPLOYMENT SLEEVE TO 500' CTMD. CHASING SWEEP OUT OF HOLE @ 2.5 BPM IN,3500 PSI. 17:30 - 17:40 0.17 CLEAN P CLEAN FLOW CHECK WELL-STATIC. 17:40 - 19:00 1.33 CLEAN P CLEAN PULL TO SURFACE, BUMP UP, UNSTAB INJECTOR.LD POLISH MILL BHA#14. TATTLE TALE BRASS BELOW LOCATOR SUB WAS SMOOTHLY WORN. PHOTOS OF BRASS EMAILED TO TOWN. 19:00 - 22:30 3.50 CLEAN N DPRB 10,874.98 CLEAN MU 1.76"CLEAN OUT BHA#15 AND RIH WITH 60 STANDS FORM DERRICK. CONFIRM BHA LENGTH 3735.85' 22:30 - 23:30 1.00 CLEAN N DPRB 10,874.98 CLEAN STAB INJECTOR ON WELL AND TEST QTS 250/3500 PSI. 23:30 - 00:00 0.50 CLEAN N DPRB 10,874.98 CLEAN BEGIN RIH WITH 1.76"CLEAN OUT BHA#15 7/3/2011 00:00 - 03:00 3.00 CLEAN N DPRB 10,874.98 CLEAN RIH W/1.76"CLEANOUT BHA#15.PUMPING .86 BPM @ 3250 PSI. -30 SECONDS OF-200 PSI MOTOR WORK AT 10,873'. Printed 7/26/2011 1:48:54PM -)rth America -ALASKA- BP Page 10 of 16 Operation Summary Report Common Well Name: E-19 AFE No , Event Type: COM-ONSHORE (CON) Start Date:6/25/2011 End Date: X3-00YXD-C(1,039,667.00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:NORDIC 1 Spud Date/Time: 12/19/1981 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:500292057100 Active Datum:E-19:69.48 @69.48ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations _ (hr) (ft) 03:00 - 04:10 1.17 CLEAN N DPRB 10,874.98 CLEAN OUT OF PUSH AT 13,833'. -10K DOWN AND NO MOVEMENT.39K UP WT WITH NO OVER PULLS. PUMP 35 BBL OF 2 PPB BEADS. 04:10 - 05:10 1.00 CLEAN N DPRB 10,874.98 CLEAN PUMP PRESSURE DROPPED 1000PSI AND LOST 3K ON THE UP WT. COULD NOT GET PAST 13,455'. ONCE BEADS IN TUBING,WEIGHT CAME BACK. RIH&TAGGED BOTTOM TWICE AT 14,382' WITH MOTOR WORK EACH TIME. 05:10 - 06:15 1.08 CLEAN N DPRB 10,874.98 CLEAN POOH TO 10,820'. 0.8 BPM @3200 PSI OFF BOTTOM. 06:15 - 07:00 0.75 CLEAN N DPRB 10,874.98 CLEAN DROP 1/2"BALL TO OPEN CIRC SUB. 07:00 - 08:50 1.83 CLEAN N DPRB 10,874.98 CLEAN CLEAN 4-1/2"TBG 1.15-1.30 BPM,3800-4000 PSI COMING OUT OF HOLE. POH TO 500 FROM TOP OF BHA AT 3736' CTMD. 08:50 - 09:00 0.17 CLEAN N DPRB 10,874.98 CLEAN FLOW CHECK WELL-STATIC. 09:00 - 09:45 0.75 CLEAN N DPRB 10,874.98 CLEAN BUMP UP CLEANOUT BHA#15. STAND BACK INJECTOR,RU FOR HANDLING HYDRIL. 09:45 - 11:30 1.75 CLEAN N DPRB 10,874.98 CLEAN RACK BACK 60 STANDS HYDRIL. 11:30 - 11:45 0.25 CLEAN N DPRB 10,874.98 CLEAN LD 1.76"CLEANOUT BHA#16. 1.76"MILL STILL NO-GO TO A 1.75"GAUGE RING. 11:45 - 12:30 0.75 EVAL N DPRB 10,608.98 OTHCMP PJSM FOR RUNNING MCNL LOGGING TOOL. MU BHA#16-MCNL TOOLSTRING W/ THRU-TUBING CENTRALIZER, PORTED SUB, 5/8"DISCONNECT,XO TO 1"CSH. 12:30 - 14:45 2.25 EVAL N DPRB 10,608.98 OTHCMP MU AND RIH 60 STANDS OF 1"CSH FROM DERRICK. 14:45 - 15:05 0.33 EVAL N DPRB 10,608.98 OTHCMP MU REMAINDER OF BHA#16-3/4" DISCONNECT, DBPV,2EA 2-1/16"CSH JOINTS,QUICK CONNECT,CTC. CONFIRM BHA LENGTH 3754.70'. 15:05 - 15:15 0.17 EVAL N DPRB 10,608.98 OTHCMP STAB INJECTOR HEAD. 15:15 - 16:30 1.25 EVAL N DPRB 10,608.98 OTHCMP PRESSURE TEST QTS 250/3500 PSI 16:30 - 18:00 1.50 EVAL N DPRB 10,608.98 OTHCMP RIH WITH MCNL LOGGING BHA#16 FROM • 3754'TO 10750'CTMD. 0.4 BPM RATE IN @ 500 PSI. 18:00 - 18:30 0.50 EVAL N DPRB 10,608.98 OTHCMP BEGIN LOGGING DOWN FROM 10750'CTMD @ 30 FPH. DOWNWEIGHT 9.5K PUMP RATE-0.39 BPM IN,475 PSI @ TOL. NO TROUBLE PASSING THROUGH LINER TOP WITH LOGGING TOOL BHA. 18:30 - 21:30 3.00 EVAL N DPRB 10,608.98 OTHCMP SET DOWN AT 11,609'CTMD. ATTEMPTING TO WORK PAST. PUMP 35 BBLS N-VIS WITH 2 PPB BEADS. SET DOWN AT LEAST 25 TIMES AT THE SAME SPOT. 21:30 - 22:45 1.25 EVAL N DPRB 10,608.98 OTHCMP POOH DUE TO TAGGING AT 11,609'. 22:45 - 23:00 0.25 EVAL N DPRB 10,608.98 OTHCMP STOP AT 200'AND FLOW CHECK WELL- STATIC. PJSM TO LD BHA#16 AND STANDBACK 60 STANDS 1"CSH. Pnnled 7/26/2011 1:48:54PM -th America -ALASKA- BP Page 11 of 16 Operation Summary Report Common Well Name: E-19 AFE No Event Type:COM-ONSHORE(CON) Start Date:6/25/2011 End Date: X3-00YXD-C(1,039,667.00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.:NORDIC 1 Spud Date/Time: 12/19/1981 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:500292057100 Active Datum: E-19:69.48 @69.48ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 23:00 - 00:00 1.00 EVAL N DPRB 10,608.98 OTHCMP POP INJECTOR OFF WELL AND CHECK FOR COIL WEAR. FOUND GOUGE 10'ABOVE CTC. 7/4/2011 00:00 - 02:15 2.25 EVAL N DPRB 11,608.98 OTHCMP STANDBACK 60 STANDS 1"CSH. 02:15 - 02:30 0.25 EVAL N DPRB 11,608.98 OTHCMP PJSM TO PULL LOGGING TOOL BHA#16 WITH SOURCE TO RIG FLOOR. 02:30 - 03:00 0.50 EVAL N DPRB 11,608.98 OTHCMP INSPECT CNL LOGGING BHA#16 FOR DAMAGE.NO DAMAGE.SWAP KNUCKLE ON TOP OF LOGGING TOOL FOR SWIVEL PER CONVERSATION WITH ODE AND CTD SUPERINTENDANT. 03:00 - 05:40 2.67 EVAL N DPRB 11,608.98 OTHCMP BIH WITH BHA#17-MEMORY I O(;GINr, TOOLS W/SWIVEL RIH W/60 STANDS OF 1" CSH OUT OF DERRICK. 05:40 - 07:00 1.33 EVAL N DPRB 11,608.98 OTHCMP CUT 20'of COIL DUE TO GOUGE FOUND 10' ABOVE CTC. 07:00 - 08:00 1.00 EVAL N DPRB 11,608.98 OTHCMP STAB INJECTOR AND PRESSURE TEST QUICK TEST SUB TO 250/3500 PSI. 08:00 - 09:30 1.50 EVAL N DPRB 11,608.98 OTHCMP RIH W/MEMORY LOGGING BHA#17 FROM 3754'TO 10750'MD. 09:30 - 10:00 0.50 EVAL N DPRB 11,608.98 OTHCMP LOG DOWN AT 30 FPM FROM 10750'MD TO 11,593'CTMD UNCORRECTED. SET DOWN AT 11,593. 10:00 - 11:15 1.25 EVAL N DPRB 11,608.98 OTHCMP ATTEMPT TO PASS THROUGH TIGHT AREA. PRESSURE UP WELL AND STROKE PIPE. ABLE TO WORK DOWN TO 11625'WITH 1500 PSI ON WELLBORE, BUT AFTER PICKING BACK UP AND BLEEDING PRESSURE,STILL SETTING DOWN AT 11610'. SAW ONLY ONE 15K OVERPULL WHILE WORKING PIPE- OTHERWISE LESS THAN 2.5K BREAKOVERS. 11:15 12:45 1.50 EVAL N DPRB 11,608.98 OTHCMP POH FROM 11,610'TO TOP OF BHA #17 AT 3754'. 12:45 - 13:15 0.50 EVAL N DPRB 11,608.98 OTHCMP UNSTAB INJECTOR,RU FOR HANDLING BHA. 13:15 - 16:00 2.75 EVAL N DPRB 11,608.98 OTHCMP RACK BACK 60 STANDS OF 1"HYDRIL. 16:00 - 16:30 0.50 EVAL N DPRB 11,608.98 OTHCMP INSPECT CNL LOGGING BHA#17 FOR DAMAGE. NO DAMAGE.CEMENT FINES WERE PACKED INTO SOURCE DOOR. HAD • TO TAP ON DOOR SEVERAL TIMES TO FREE SOURCE TO BE REMOVED WHILE LAID DOWN. 16:30 - 17:45 1.25 CLEAN N DPRB 11,608.98 CLEAN MU 1.875"MILLING BHA#18 WITH NO-GO CENTRALIZER SUB TO MILL OUT 1.78" PROFILE IN DEPLOYMENT SLEEVE. 17:45 - 20:00 2.25 CLEAN N DPRB 11,608.98 CLEAN RIH WITH 1.875"MILLING BHA#18 TO 10,800'. 20:00 - 21:00 1.00 CLEAN N DPRB 11,608.98 CLEAN SLOW DOWN TO 5 FPM PUMPING.37 BPM @ 275 PSI TO TAG DEPLOYMENT SLEEVE 1.78" PROFILE @ 10,859.4'. RIH WT 12K. SWAP FROM 2%KCL TO 2%MUD WITH 4.5% LUBES. 21:00 - 21:45 0.75 CLEAN N DPRB 11,608.98 CLEAN TIME MILLING 1.78"DEPLOYMENT SLEEVE PROFILE AT 1 FPH. PUMPING.96 BPM FS=1560 PSL NOT MILLING OFF JUST STALLS. Printed 7/26/2011 1.48:54PM )rth America-ALASKA- BP Page 12 of 16 Operation Summary Report Common Wet Name. E-19 AFE No Event Type:COM-ONSHORE(CON) Start Date:6/25/2011 End Date: X3-00YXD-C(1,039,667.00) Project:Prudhoe Bay Site:PB E Pad Rig Name/No.: NORDIC 1 Spud Date/Time: 12/19/1981 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:500292057100 Active Datum:E-19:69.48©69.48ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 21:45 - 22:30 0.75 CLEAN N DPRB 11,608.98 CLEAN TIME MILLING 1.78"DEPLOYMENT SLEEVE PROFILE AT 0.5 FPH. PUMPING.98 BPM, FS= 1600 PSI. STILL NOT MILLING OFF.CALLED BAKER. 22:30 - 00:00 1.50 CLEAN N DPRB 11,608.99 CLEAN BAKER ON LOCATION.STARTED MILLING PROFILE AT 1 FPH. PUMPING 1.0 BPM,FS=1650 PSI. 7/5/2011 00:00 - 01:00 1.00 CLEAN N DPRB 11,608.98 CLEAN TIME MILLING 1.78"DEPLOYMENT SLEEVE PROFILE WITH BHA#18(1.875"MILL WITH A NO-GO CENTRALIZER SUB)AT 1 FPH. PUMPING 1.0 BPM FS=1630 PSI.50 PSI MOTOR WORK. 01:00 - 03:15 2.25 CLEAN N DPRB 11,608.98 CLEAN POOH TO TOP OF BHA#18. 03:15 - 03:45 0.50 CLEAN N DPRB 11,608.98 CLEAN AT SURFACE FLOW CHECK-STATIC. PJSM TO LD MILLING BHA#18 AND PU MILLING BHA#19 WITH 60 STANDS 1"CSH. 03:45 - 04:15 - 0.50 CLEAN N DPRB 11,608.98 CLEAN STAND BACK INJECTOR AND LD MILLING BHA #18 DROP OUT NO-GO SUB AND INSERT CROSSOVERS FOR 1"CSH. 04:15 - 08:00 3.75 CLEAN N DPRB 11,608.98 CLEAN `RIH WITH 60 STANDS OF 1"CSH FROM DERICK. 08:00 - 08:20 - 0.33 CLEAN N DPRB 11,608.98 CLEAN MU INJECTOR&PT QUICK TEST SUB. 08:20 - 09:50 1.50 CLEAN N DPRB 11,608.98 CLEAN RIH W/1.875 MILL BHA#19 FROM 3736 TO 11,600'CTMD. RIH AT 30 FPM AFTER PASSING THROUGH TOL. 09:50 - 10:15 0.42 CLEAN N_ DPRI3 11,608.98 CLEAN BEGIN SEEING 100-200 PSI MOTOR WORK AT 11,610 CTMD. REDUCE RUNNING SPEED TO 8 FPM FROM 11610- 11650 WHILE MOTOR WORKING 100-200 PSI. INCREASE SPEED AS ABLE BACK TO 30 FPM. 12180'SEE 10-20'OF MORE MOTOR WORK- -150 PSI. 10:15 - 11:30 1.25 CLEAN N DPRB 11,608.98 CLEAN CONTINUE TO RIH TO TD. TAG PBTD AT 14,383'CTMD. 11:30 - 12:00 0.50 CLEAN N DPRB 11,608.98 CLEAN CIRCULATE TO CLEAN UP-1.1 BPM,3600 PSI.TAG BOTTOM AND POOH 12:00 - 13:30 1.50 CLEAN N DPRB 11,608.98 CLEAN POOH TO TOP OF LINER 13:30 - 14:15 0.75 CLEAN N DPRB 11,608.98 CLEAN RIH AT 120-130 FPM 14:15 - 15:45 1.50 CLEAN N DPRB 11,608.98 CLEAN POOH 15:45 - 16:30 0.75 CLEAN N DPRB 11,608.98 CLEAN DROP 1/2" 16:30 - 18:00 1.50 CLEAN N DPRB 11,608.98 CLEAN BALL ON SEAT AND SHEARED @-4200 PSI, POOH@ MAX RATE&PRESSURE 4050 PSI @ 1.44 BPM 18:00 - 18:15 0.25 CLEAN N DPRB 11,608.98 CLEAN OOH,FLOW CHECK WELL 18:15 - 19:00 0.75 CLEAN N DPRB 11,608.98 CLEAN CREW CHANGE AND PJSM TO STAND BACK INJECTOR AND LD 1.875"MILLING BHA#19. 19:00 - 19:15 0.25 CLEAN N DPRB 11,608.98 CLEAN STAND BACK INJECTOR AND LD BHA#19. 19:15 - 21:45 2.50 CLEAN N DPRB 11,608.98 CLEAN PJSM TO LD 1 JT AND STAND BACK 59 STANDS OF 1"CSH IN DERRICK. 21:45 - 22:00 0.25 EVAL P OTHCMP PJSM TO MU MCNL LOGGING BHA#20 AND RIH WITH 60 STANDS OF 1"CSH FROM DERRICK. Printed 7/26/2011 1.48.54PM '-th America -ALASKA- BP Page 13 of 16 Operation Summary Report Common Well Name:E-19 AFE No Event Type:COM-ONSHORE(CON) Start Date: 6/25/2011 End Date. X3-00YXD-C(1,039,667.00) Project:Prudhoe Bay Site: PB E Pad Rig Name/No.: NORDIC 1 Spud Date/Time: 12/19/1981 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:500292057100 Active Datum:E-19:69.48 @69.48ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 22:00 - 00:00 2.00 EVAL P OTHCMP MU MCNL LOGGING BHA#20 AND RIH WITH 60 STANDS OF 1"CSH FROM DERRICK. 7/6/2011 00:00 - 01:45 1.75 EVAL P OTHCMP MU MCNL LOGGING BHA#20 AND RIH WITH 60 STANDS OF 1"CSH FROM DERRICK.MAKE UP REST OF BHA ABOVE 1"CSH. 01:45 - 02:15 0.50 EVAL P OTHCMP STAB INJECTOR ON WELL. TEST QST 250/4200 PSI. 02:15 - 03:35 1.33 EVAL P OTHCMP RIH FROM SURFACE TO 10,750'. 03:35 - 05:45 2.17 EVAL P OTHCMP ,LOG DOWN FROM 10,750'TO PBTD(14.3831 AT 30 FPM. PUMPING.34 BPM @ 1450PSI. PVT=243, IA/OA=0/1 PSI. TAGGED BOTTOM AT 14,386'. 05:45 - 06:30 0.75 EVAL P OTHCMP PUMPING PERF PILL DOWN COIL. 06:30 - 08:00 1.50 EVAL P OTHCMP POOH LAYING IN PERF PILL PAINT EOP FLAGS AT 10400'AND 10000' 08:00 11:00 3.00 EVAL P OTHCMP END LOGGING RUN,SWAP WELL OVER TO KCL 11:00 - 11:50 0.83 EVAL P OTHCMP FLUID SWAP COMPLETED FOLLOWING FLUID MANAGEMENT POLICY, POOH 11:50 - 12:00 0.17 EVAL P OTHCMP FLOW CHECK WELL 12:00 - 12:30 0.50 EVAL P OTHCMP GOOD NO FLOW POOH AND TAG UP AND PJSM TO PULL LOGGING BHA 12:30 - 12:45 0.25 EVAL P OTHCMP REMOVE INJECTOR 12:45 - 14:30 1.75 EVAL` P OTHCMP LD AND STRAP-34 SINGLE CSH JOINTS. 14:30 - 16:00 1.50 EVAL P OTHCMP PJSM TO REMOVE SOURCE FROM TOOL 16:00 - 16:20 0.33 EVAL P OTHCMP REMOVE SOURCE AND LD LOGGING TOOLS 16:20 - 16:30 0.17 EVAL P OTHCMP CHECK TOOL FOR DATA AND LOAD PERF GUNS AND FUNCTION TEST THE BOP'S. ***CORRECTED MCNL LOGGING DATA PUTS PBTD AT 14,365'AND THE LINER TOP AT 10,827.*** 16:30 - 20:30 4.00 PERFOB P OTHCMP LOAD PERF GUNS AND TOOLS IN PIPE SHED. PREP TO RUN GUNS. SPACE OUT AND VERIFY COUNT AND CHARGE SPACING. 20:30 - 21:00 0.50 PERFOB P OTHCMP PJSM TO MU AND RUN BHA#21 GUNS AND 43 STANDS OF 1"CSH IN HOLE. 21:00 - 23:00 2.00 PERFOB P OTHCMP MU AND RUN BHA#21, 1061'OF GUNS AND 43 STANDS OF 1"CSH IN HOLE. 23:00 - 23:35 0.58 PERFOB P OTHCMP STAB INJECTOR ON WELL. TEST QTS 250/3500 PSI. 23:35 - 00:00 0.42 PERFOB P OTHCMP RIH WITH 1.56"HSD PERFORATING GUNS AT 100 FPM, PUMPING.21 BPM AT 209 PSI. PVT=261 BBL. 7/7/2011 00:00 - 01:30 1.50 PERFOB P OTHCMP RIH WITH 1.56"HSD PERFORATING GUNS AT 100 FPM,PUMPING.21 BPM AT 209 PSI. 01:30 - 02:00 0.50 PERFOB P OTHCMP TIE INTO EOP FLAG.UP WT 34K.DN WT 13.8K. TAG PBTD AND CORRECT DEPTH.PUH TO POSITION GUNS FOR FIRING. 02:00 - 02:30 0.50 PERFOB P OTHCMP PJSM AND PRACTICE FIRE SEQUENCE. Printed 7/26/2011 1.48:54PM )rth America -ALASKA- BP Page 14 of 16 Operation Summary Report Common Well Name:E-19 AFE No Event Type: COM-ONSHORE(CON) Start Date:6/25/2011 End Date: X3-00YXD-C(1,039,667.00) Project: Prudhoe Bay Site: PB E Pad Rig Name/No.: NORDIC 1 Spud Date/Time: 12/19/1981 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:500292057100 Active Datum:E-19:69.48 @69.48ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 02:30 - 02:50 0.33 PERFOB P OTHCMP STARTED FIRING SEQUENCE 2'BELOW FIRING DEPTH. PRESURE UP TO 1000PSI ON BACKSIDE AND BLEED OFF TO 85 PSI4 TIMES TO FIRE GUNS.MOVE GUNS UP HOLE SLOWLY TO FIRE ON DEPTH WITH BOTTOM SHOT AT 14,350'AS PER WELL PLAN. PRESSURE DROP FROM 88 PSI TO ZERO. GOOD SHOT INDCATION ON SHOT INDICATOR. 02:50 - 03:10 0.33 PERFOB P OTHCMP PUH TO 13,631'COIL DEPTH,BOTTOM SHOT AT 12,982'.(COIL DEPTH OF 13,629'MINUS LENGTH OF LOWER SET OF GUNS 649' EQUALS BOTTOM SHOT AT 12,980'.) TWO FEET BELOW FIRING DEPTH PRACTICE SECOND FIRE SEQUENCE. 03:10 - 03:30 0.33 PERFOB P OTHCMP STARTED FIRING SEQUENCE 2'BELOW FIRING DEPTH. PRESSURE UP COIL TO GET CORRECT VOLUMES FOR THE CORRECT AMOUNT OF TIME. MOVE GUNS UP HOLE SLOWLY TO FIRE ON DEPTH WITH BOTTOM SHOT AT 13,629'AS PER WELL PLAN.CIRCULATING PRESSURE DROPPED 200 PSI INSTANTLY.GOOD SHOT INDCATION ON SHOT INDICATOR. PVT 276BBLS WITH 9800'EOP IN HOLE AT 3:30AM. 03:30 - 04:30 1.00 PERFOB P OTHCMP POOH AT 45 FPM, PUMPING.89 BPM AT 2220 PSI. 04:30 - 04:45 0.25 PERFOB P OTHCMP FLOW CHECK WELL JUST ABOVE LINER TOP. WELL STATIC. PVT=265 BBLS. 04:45 - 06:00 1.25 PERFOB P OTHCMP POOH FROM LINER TOP TO SURFACE. 100 FPM.PUMPING.98 BPM @ 2670 PSI. 06:00 - 06:30 0.50 PERFOB P OTHCMP OOH FLOW CHECK WELL AND FINISH CREW CHANGE 06:30 - 07:00 0.50 PERFOB P OTHCMP PJSM TO LD PERF BHA 07:00 - 09:30 2.50 PERFOB P OTHCMP REMOVE INJECTOR AND PULL CSH AND LD SIDEWAYS 09:30 - 10:05 0.58 PERFOB P OTHCMP ALL CSH LD, PJSM TO PULL GUNS 10:05 - 12:30 2.42 PERFOB P OTHCMP LD SPENT PERF GUNS 12:30 - 13:00 0.50 PERFOB P OTHCMP ALL PERF GUNS OOH AND ALL SHOTS FIRED 13:00 - 13:30 0.50 CASING P RUNPRD LOAD LTP ONTO RIG 13:30 - 13:45 0.25 CASING P RUNPRD PJSM TO MU LTP 13:45 - 15:00 1.25 CASING P RUNPRD MU LTP BHA 15:00 - 17:20 2.33 CASING P RUNPRD PT QTS(QUICK TEST SUB)AND RIH 17:20 - 17:30 0.17 CASING P RUNPRD 10775'WT CK 14.2K RIH WT,28.5K PU WT. RIH AND LIGHTLY STING INTO DEPLOYMENT SLEEVE PUMPING AT 0.3 BPM 17:30 - 17:50 0.33 CASING P RUNPRD SEALS ARE IN THE TOL @ 10850',SHUT DOWN PUMP AND BLEED OFF—100 PSI CONTINUE RIH FOR —5'AND STARTED STACKING WT AT 10856',CONTINUE TO STACK 10K DOWN TO 10859' ALL DEPTHS CORRELATE WITH THE LTP STINGING INTO THE DEPLOYMENT SLEEVE PU TO BALL DROP POSITION AND LAUNCH A 5/8"BALL. Printed 7/26/2011 1:48:54PM rth America -ALASKA- BP Page 15 of 16 Operation Summary Report Common Well Name:E-19 AFE No • Event Type:COM-ONSHORE(CON) Start Date:6/25/2011 End Date: X3-00YXD-C(1,039,667.00) Project:Prudhoe Bay Site: PB E Pad Rig Name/No.: NORDIC 1 Spud Date/Time: 12/19/1981 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:500292057100 Active Datum:E-19:69.48 @69.48ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 17:50 - 18:40 0.83 CASING P RUNPRD SLOW PUMP RATE TO.22 BPM AT 2200 PSI AND CHASE BALL TO SEAT. BALL ON SEAT AND PRESSURE UP TO 200 PSI. OPEN BAKER CHOKE AND SET DOWN 10K TO 10,859'. PICK UPTO BREAK OVER AND CLOSE BAKER CHOKE. PRESSURE UP TO 1800 PSI SLOWLY TO SET SLIPS ON LTP. OPEN BAKER CHOKE AND SET DOWN 10K AT 10,857. PICK UP TO NEUTRAL WT TO PRESSURE TEST THE LTP. 18:40 - 19:30 0.83 CASING P RUNPRD PRESSURE TEST PACKER TO 227 PSI FOR 5 MINUTES.GOOD TEST._ PRESSURE UP TO 2400 PSI FOR 30 MINUTES. LOST 29 PSI IN 30 MINUTES.GOOD TEST. LOST 22 PSI IN FIRST 15 MINUTES AND LOST 7'PSI IN SECOND 15 MINUTES.GOOD TEST. LOST 0.23 PSI PER MINUTE IN LAST 15 MINUTES.GOOD TEST. 19:30 - 19:40 0.17 CASING P RUNPRD SLACK OFF 5K ON COIL,CLOSE THE BAKER CHOKE AND PRESSURE UP TO 4025 PSI TO SHEAR OFF THE LTP.PU OFF THE LTP SLOWLY WITH NO OVERPULLS. 19:40 - 21:40 2.00 CASING P RUNPRD POOH WITH PACKER RUNNING BHA#22. 21:40 - 22:00 0.33 CASING P RUNPRD PJSM TO LD PACKER RUNNING BHA#22. FLOW CHECK-STATIC 22:00 - 22:15 0.25 CASING P RUNPRD STAND BACK INJECTOR.LD LTP RUNNING BHA#22. 22:15 - 22:25 0.17 DHB P POST PJSM TO MU FP BHA. 22:25 - 22:40 0.25 DHB P POST MU FP BHA#23. 22:40 - 23:20 0.67 DHB P POST PT QTS 250/3500 PSI. ZERO MECHANICAL COUNTER 23:20 - 00:00 0.67 DHB P POST RIH TO 2500'. PJSM WITH LR TO PUMP 38 BBL DIESEL. 7/8/2011 00:00 - 01:20 1.33 DHB P POST RIH TO 2500'. PJSM WITH LR TO PUMP 38 BBL DIESEL. 01:20 - 02:10 0.83 DHB P POST PUMP 38 BBLS DIESEL FP FROM 2500'TO SURFACE. 02:10 - 02:40 0.50 DHB P POST POOH FROM 2500'TO SURFACE. 02:40 - 02:55 0.25 DHB P POST AT SURFACE CLOSE SWAB VALVE. GREASE TREE VALVES. ii STAND BACK INJECTOR AND LD NOZZLE BHA #23. 02:55 - 03:25 0.50 DHB P POST PJSM TO RU BPV CREW AND SET BPV. 03:25 - 05:30 2.08 DHB P POST PT MV,SV AND LUBRICATOR 250/3500 PSI. 05:30 - 05:45 0.25 DHB P POST RD BPV CREW. 05:45 - 06:00 0.25 DHB P POST STAB INJECTOR ON WELL. 06:00 - 06:30 0.50 DHB P POST CREW CHANGE 06:30 - 06:40 0.17 DHB P POST PREP TO BLOW DOWN REEL 06:40 - 07:00 0.33 DHB P POST PJSM TO BLOW DOWN REEL 07:00 - 08:00 1.00 DHB P POST LINE UP TO PUMP FRESH WATER FOLLOWED BY INHIBITED WATER THE NEAT METHANOL Printed 7/26/2011 1:48:54PM • -th America -ALASKA- BP • Page 16 of 16 Operation Summary Report Common Well Name: E-19 I AFE No Event Type:COM-ONSHORE(CON) Start Date:6/25/2011 End Date: X3-00YXD-C(1,039,667.00) Project: Prudhoe Bay Site:PB E Pad Rig Name/No.: NORDIC 1 Spud Date/Time: 12/19/1981 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:500292057100 Active Datum:E-19:69.48©69.48ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 08:00 - 09:30 1.50 DHB P POST BLOW DOWN REEL WITH N2 09:30 - 11:30 2.00 DHB P POST PU INJECTOR TO REMOVE NOZZLE BHA PREP COIL TO INSTALL PULL BACK GRAPPLE AND PULL TEST PULL CT BACK TO THE REEL AND SECURE 11:30 - 12:00 0.50 DHB P POST PIPE SECURED RD INJECTOR,PREP TO _ -DROP REEL 12:00 - 12:20 0.33 DHB P POST PJSM TO LOWER REEL 12:20 - 15:00 2.67 DHB P POST LOWER REEL RD INJECTOR 15:00 - 16:30 1.50 DHB P POST RU TO FLUSH RIG LINES WITH HOT SOAPY WATER 16:30 - 17:30 1.00 DHB P POST TEST MASTER AND SWAB TO OPEN BOP DOORS TO INSPECT RAMS 17:30 - 20:00 2.50 DHB P POST GOOD INDEPENDENT TESTS ON MASTER AND SWAB,SUCK OUT STACK AND START PULLING DOORS FOR VISUAL INSPECTION. SUCK OUT ALL HP IRON ON RIG. 20:00 - 22:30 2.50 DHB P POST FINISH CLEANING OUT PITS,SHAKER ROOM AND PUMP SUCTION LINES. 22:30 - 23:30 1.00 DHB P POST ND BOPS AND NU TREE CAP. 23:30 - 00:00 0.50 DHB P POST FP TREE AND PT TREE CAP 250/3500 PSI. RIG RELEASE @ 24:00 • Printed 7/26/2011 1.48:53PM Letter of Transmittal Amp- rad. BAKER Date: I July 1, 2011 HUGHES To: From: State of Alaska AOGCC I Baker Hughes INTEQ 333 W. 7`h Ave., Suite 100 795 East 94th Avenue Anchorage, Alaska 99501 i j Anchorage, Alaska 99515 Bill Michaelson I { { ( I Please find enclosed the directional survey data for the following well(s): C-42A E-23CPB 1 E-23CPB2 E-23C E-19C 2_l\-o 5 c, 02-21B 15-48C 15-05BPB 1 15-05B 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: 1 o�Q , State of Alaska AOGCC DATE: Nordic 1 - Gas Detection System Page 1 of 1 Regg, James B (DOA) p E _ i 9C- From: GFrom: Martyn, Matthew[Matthew.Martyn@bp.com] ZI I - 05-4, Sent: Friday, June 24, 2011 9:52 AM To: DOA AOGCC Prudhoe Bay Cc: AK, D&C Rig Nordic 1 Well Site Leader; O'Neal, Robert; Shearer, Daniel (ASRC); Martyn, Matthew; Burnett, Richard D; AK, D&C RWO&CTD Operations Superintendent; Sayers, Zach J; McMullen, John C Subject: Nordic 1 -Gas Detection System Mr. Crisp, After Rich Burnett discussed our gas detector failure with you this morning, Rich asked us to send you an email regarding our gas detector failure yesterday. Yesterday, Thursday, 23-Jun-2011, at—11am Nordic-1 had a failure of one of it's methane gas detectors. The rig noted a discrepancy where the methane sensor at the shaker was reading 2-5% LEL but a handheld unit was not detecting gas. The rig diverted flow and attempted to recalibrate the sensor. The sensor failed to calibrate properly and began malfunctioning. (Last calibration was 7 days prior) The rig team replaced the shaker sensor with the rig floor sensor which is functioning properly. While awaiting a replacement sensor from Nordic 2, the rig monitored a handheld sensor at the rig floor that meets AOGCC requirements: -Automatic -Has a sampling interval of less than 1 minute, -Has independent audible and visual alarms The rig replaced the rig floor sensor once out of the hole with the BHA early this morning (lam). Rich Burnett contacted you this morning to provide the required 24hr AOGCC notification. Thank you and don't hesitate to call with any questions, Matt Martyn Well Site Leader- Nordic 1 Prudhoe Bay, Alaska (907) 659-4564 - Rig Site Office (907) 659-4433 -Ops Cab WSL Desk 7/11/2011 EFSEAN 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 Oil Pool, PBU E-19C BP Exploration (Alaska), Inc. Permit No: 211-056 Surface Location: 1853' FNL, 883' FEL, SEC. 06, T11N, R14E, UM Bottomhole Location: 4893' FNL, 1997' FWL, SEC. 08, Ti1 N, R14E, 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. S'nc: - nK. or .an .,�, Co -- ssione DATED this �ikday of April, 2011. cc: Department of Fish & Game, Habitat Section w/o encl. (via e-mail) Department of Environmental Conservation w/o encl. (via e-mail) STATE OF ALASKA Y Y ALAE OIL AND GAS CONSERVATION COMM'' 'ON 1-`�®.EC E1 '"�® 11", PERMIT TO DRILL , Q1l 20 AAC 25.005 _// la.Type of work: lb.Proposed Well Class: ®Development Oil 0 Service-Winj 0 Single Zone lc. S)�e -.,.if�yex is fo U11183101I ❑Drill Z Redrill ❑Stratigraphic Test ❑Development Gas ❑Service-Supply ❑Multiple Zone gra'• 'Gas U(VY y rales ❑Re-Entry 0 Exploratory 0 Service-WAG 0 Service-Disp „ CI Shall as 2. Operator Name: 5.Bond: ® Blanket 0 Single Well 11. Well Name and Number: BP Exploration(Alaska)Inc. Bond No. 6194193 PBU E-19C 3. Address: 6. Proposed Depth: 12.Field/Pool(s): P.O.Box 196612,Anchorage,Alaska 99519-6612 MD 14110' TVD 8870'ss Prudhoe Bay Field/Prudhoe 4a. Location of Well(Governmental Section): 7. Property Designation(Lease Number): Bay Oil Pool Surface: ADL 028304 1853'FNL,883'FEL,SEC.06,T11N, R14E, UM Top of Productive Horizon: 8. Land Use Permit: 13. Approximate Spud Date: 2524'FNL, 1710'FWL,SEC.08,T11N,R14E,UM May 15,2011 Total Depth: 9.Acres in Property: 14.Distance to Nearest Property: 4893'FNL, 1997'FWL,SEC.08,T11N,R14E,UM 2560 13,500' 4b. Location of Well(State Base Plane Coordinates-NAD 27): 10.KB Elevation above MSL: 64.73' feet 15.Distance to Nearest Well Open Surface: x- 664105 y-5975203 Zone- ASP4 GL Elevation above MSL: 29.88' feet to Same Pool: 663' 16.Deviated Wells: Kickoff Depth: 11474 feet 17.Maximum Anticipated Pressures in psig(see 20 AAC 25.035) Maximum Hole Angle: 90 degrees Downhole: 3203 Surface: 2323 18. Casing Program: Specifications Top-Setting Depth-Bottom Quantity of Cement,c.f.or sacks Hole Casing Weight Grade Coupling Length MD TVD MD TVD (including stage data) 3" 2-3/8" 4.6# L-80 STL 3260' 10850' 8144'ss 14110' 8870'ss 73 cu ft Class'G' 19. PRESENT WELL CONDITION SUMMARY(To be completed for Redrill and Re-entry Operations) Total Depth MD(ft): Total Depth TVD(ft): Plugs(measured): Effective Depth MD(ft): Effective Depth TVD(ft): Junk(measured): 13677 884Q 11780' 13517 8851 None Casing Length Size Cement Volume MD TVD Conductor/Structural 110' 20"x 30" 8 cu vds Concrete 110' 110' Surface 2714' 13-3/8" 3720 cu ft Arcticset II 2714' 2702' Intermediate 10929' 9-5/8" 1585 cu ft Class'G'. 130 cu ft Arcticset I 10929' 8252' Production Liner 978' 7" 432 cu ft Class'G' 10410'-11388' 7834'-8621' Liner 3166' 4-1/2" 585 cu ft Class'G' 10282'-11489' 7734'-8700' Liner 2588' 3-1/2"x 3-3/16"x 2-7/8" 146 cu ft Class'G' 10965'-13553' 8282'-8848' Perforation Depth MD(ft): 11681'-13220' Perforation Depth TVD(ft): 8851'-8857' 20.Attachments: 0 Property Plat ®BOP Sketch ®Drilling Program 0 Time vs Depth Plot 0 Shallow Hazard Analysis ®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 Zach Sayers,564-5790 rinted Name Johnin Title Engineering Team Leader // Prepared By Name/Number Signatu Phone 564-4711 Date /Y / Terrie Hubble,564-4628 Commission Use Only Permit To Drill API Number. Permit a Date: See cover letter for Number o7//Q,j�j 50-029-20571-03-00 `,j 1 1 other requirements Conditions of Approval: If box is checked,well may not be used to explore for,test,or produce coalbed methane,gas hydrates,or gas contained shales: [e k 3 SO0 2c L eoto Ts F- Samples Req'd: ���� ,_,/ Other. T P eq' 0yes Cd"No Mud Log Req'd: ❑yes ep No * Z TOO /0SL /11#111"/‘ (eStt (i Measures: Yes 0 No Directional Survey Req'd: e'Yes 0 No / i Date 4-73-11 APPROVED BY THECOMMISSIONER COMMISSION Form 10-401 Revised 07/2009 This permit is valid for 24 mon s th of a prove!(20 AAC 5(g)) Submit In Duplicate To: Alaska Oil & Gas Cons.,vation Commission ' ' From: Zach Sayers i b p CTD Engineer Date: April 15, 2011 Re: E-19C Permit to Drill request Approval is requested for a permit to drill a CTD sidetrack from well E-19C. CTD Drill and Complete E-19C program: Spud May 15th, 2011 Pre-Rig Work: (scheduled to begin May 1st, 2011) 1. 0 MIT-OA, MIT- IA 2. S Dummy WS Drift to deviation 3. E Set 3-3/16 Packer WS 4. F Test Whipstock to 1,000 psi for 30 min 5. C Freeze protect the well 6. 0 Bleed wellhead pressures down to zero. 7. 0 Bleed production flow lines and GL lines down to zero and blind flange £ 8. 0 Remove wellhouse, level pad 1 (� 9. 0 Set TWC 24 hrs prior to rig arrival Rig Work: (scheduled to begin May 15th, 2011) 1. MIRU and test BOPE to 250 psi low and 3,500 psi high. 2. Mill 2.74" window at 9625' and 10' of rathole. Swap the well to Geo-Visc. 3. Drill Build: 3" OH, 96' (25 deg/100 planned) with out resistivity 4. Drill Lateral: 3" OH, 2,560' (12 deg/100 planned) with resistivity 5. Run 2-3/8" L-80 liner leaving TOL at 10,850' MD. 6. Pump primary cement leaving TOC at TOL at 10,850' MD, 13 bbls of 15.8 ppg liner cmt planned 7. Cleanout liner. 8. MCNL/GR/CCL log. . 9Y 9. Test liner lap to 2,400 psi. fits 10. Perforate liner per asset instructions (-1,200') - 11. Set 4-1/2" liner top packer, and test to 2,400 psi 12. Freeze protect well, set BPV, RDMO 2//-oSG Post-Rig Work: 1. Re-install wellhouse, flowline and pull BPV. 2. Generic GLV's 3. Test separator Mud Program: • Well kill: 8.4 ppg brine. • Milling/drilling: 8.6 ppg Geo Vis for milling window and drilling. Disposal: • All drilling and completion fluids and all other Class II wastes will go to Grind & Inject. • All Class I wastes will go to Pad 3 for disposal. Hole size: 3" Casing Program: • 2-3/8" 4.6# L-80 STL solid 10 850' MD - 14 110' MD • A minimum of 13 bbls of 15.8 ppg cement will be used for liner cementing. (TOC 10,850' MD)"` Well Control: • BOP diagram is attached. • Pipe rams, blind rams and the CT pack off will be pressure tested to 250 psi and to 3,500 psi. • The annular preventer will be tested to 250 psi and 3,500 psi. Directional • See attached directional plan. Maximum planned hole angle is 90°. • Magnetic and inclination surveys will be taken every 30 ft. No gyro will be run. • Distance to nearest property— 13,500' (North). • Distance to nearest well within pool — 663' to E-32A. Logging • MWD directional, Gamma Ray and Resistivity will be run over all of the open hole section. • Cased hole GR/CCL/MCNL logs will be run. Anti-Collision Failures • C-18 center to center distance: 1,352' status: plugged & abandoned • C-18A center to center distance: 1,481' status: plugged & abandoned • C-18B center to center distance: 1,313' status: producer • C-18 PB1 center to center distance: 1,313' status: plugged & abandoned • E-32A center to center distance: 136' status: plugged & abandoned • E-32A Plan #104 center to center distance: 50' ✓ status: definitive plan Hazards • The maximum recorded H2S level on E Pad was 130ppm on well E-102 on 9/25/2009. • Lost circulation risk is considered moderate for the fault block drilled in E-19C. Reservoir Pressure • The reservoir pressure on E-19C is expected to be 3,203 psi at 8,800' TVDSS. (7.0 ppg equivalent). • Maximum expected surface pressure with gas (0.10 psi/ft) to surface is 2,323 psi. Zach Sayers CTD Engineer CC: Well File Sondra Stewman/Terrie Hubble TREE= 4"CNV St 'NOTES: WELL ANGLE>70"@ 11754. WELLHEAD= CNV E—19 B W ELLBORES NOT HOW NIPPLBELOW M& E-19A ACTUATOR= BAKER C KB.ELEV= 64.7' WHIPSTOCK*** BF.ELEV= 31.6' I 1 KOP= 2300' Max Angle=101° 12344' I 2208' —141/2"HES SSSV NIP,ID=3.813" Datum MD= 11758' Datum TVD= 8800'SS GAS LIFT MANDRELS ST MD TVD DEV TYPE VLV LATCH PORT DATE 13-3/8"CSG,72#,L-80,ID=12.347" —I 2713' 3 4830 4275 50 MER DMY RM 0 11/21/10 2 9069 6841 49 MER DMY RM 0 10/07/10 L 1 10080 7553 42 MER DMY RM 22 04/09/05 Minimum ID =2.377" @ 12255' I 10229' ,—I41/2"HES X NIP(9-CR),ID=3.813" 3-3/16" X 2-7/8" XO Opt I 10239' H9-5/8"X 4-1/2"TW HBBP-T PKR,ID=4.00" ' I 10263' 4-1/2"HES X NIP(9-CR),ID=3.813" NOTE SUSPECT DAMAGED(11/07/10) 1 I 10274' 1-14-1/2"HES X NP(9-CR)MILLED TO 3.8" TOP OF 4-1/2"LNR I 10282' 1 4-1/2"TBG,12.6#,L-80,.0152 bpf,I0=3.958" —I 10286' \ I 10286' I—I4-1/2"WL FG,ID=3 958" I10290' —1 ELMD TT LOGGED 09/16/95 0. r 10290' H4-1/2"LNR PKR ITOPOF 7"LNR H 10410' 9-5/8"CSG,47#,L-80,10=8.681" -j 10929' �� Ilk 1. -roc —I 10965' j j� � ,-414,)4 �• 10965' --13.775"BTT DEPLOYMENT SLV,ID=3.00" 7"LNR,26#,L-80,.0383 bpf,ID=6.276" —1 11818' 4442::::1:::::::+14 , . ����1�����►1 N 4........ 4 10985' -I—3-1/2"HES X NP,ID=2.813" 3-1/2"LNR,9.3#,L-80 STL, 10996' , .e, 110996' H3-1/2"X 3-3/16"XO,ID=2.786" .0087 bpf,ID=2.992" �.; 1�1 MILLOUT WINDOW(E-196) 11489'-11497' VVHIPSTOCK -I 11488' _ ��14..� N♦ % 11780' ,-12-7/8"CIBP(04/03/10) 4-1/2"TBG,12.6#,L-80,.0152 bpf,O=3.958" 1 114.88' 4`*44 , RA TAG I- 11496' 11, 12255' —13-3/16"X 2-7/8"XO,ID=2.377" PERFORATION SUMMARY / REF LOG:07/22/07 ` ANGLE AT TOP PERF: 52'@ 11681' , Note:Refer to Production DB for historical pert data 3-3-16"LNR,6.2#,L-80 TCI1, —I 12256 , SIZE SPF INTERVAL _Opn/Sqz DATE .0076 bpf,ID=2.80" 2" 6 11681 -11706 0 04/04/10 `.**1•0••, 2" 6 11734-11744 0 04/04/10 PBTD —1 13517' 4 2" 6 12300-12340 C 07/22/07 2" 6 12370-13070 C 07/22/07 2" 6 13150-13220 C 07/22/07 2-7/8"LNR,6.4#,L-80 STL,.0058 bpf,ID=2.441" —I 13552' DATE REV BY COMMENTS DATE REV BY COMMENTS PRUDHOE BAY UNIT IP 1982 ORIGINAL COMPLETION 10/23/10 WEC/AGR GLV GO(10/07/10) WELL: E-19B 02/05/95 SIDETRACK COMPLETION 11/17/10 MBM/PJC SET WRP(11/07/10) PERMIT No:F2070770 06/29/07 TEL/PJC SET BKR WS @ 11508' 11/24/10 DAV/PJC PULL VVRP/GLV C/O(11/21/10) API No: 50-029-20571-02-00 07/22/07 RBL CTD SIDETRACK(E-19B) SEC 6,T11 N,R14E,1853'FNL&883'FEL 11/16/09 SM/JMD DRLG DRAFT CORRECTIONS 04/20/10 MV/SV SET CIBP/ADD PERF(04/04/10) BP Exploration(Alaska) TR 4"CNV E�19 C WELLL HEAD= CNV aN NU I w: In tLL ianwaLt> I kV L I I/04. ACTUATOR_ BAKER C "'4 .. CHROME NIPPLES""ORIG& E-19A KB.BEV= 64.7' planned CTD sidetrack WELLBORES NOT SHOWN BELOW BF.BEV= 31.6' W141PSTfIele." KOP= 2300' ( I Max Angle= 1"©12344' 2208' H4-112"HES SSSV NIP, ID=3.813" Datum MD= 11758' O Datum TVD= 8800'SS GAS LIFT MANDRELS ST MD TVD DEV TYPE VLV LATCH PORT DATE 13-3/8"CSG,72#, L-80, ID=12.347" —I 2713' 3 4830 4275 50 MER DMY RM 0 11/21/10 2 9069 6841 49 MER DMY RM 0 10/07/10 ini 1 10080 7553 42 MER DMY RM 22 04/09/05 Minimum ID =2.377" @ 12255' I r 10229' H4-1/2"HES XNIP(9-CR), ID=3.813" 3-3/16" X 2-7/8" XO X 10239' H9-5/8"X 4-1/2"TIW HBBP-T PKR,ID=4.00" ' 10263' 4-1/2"HES X NIP(9-CR),ID=3.813" NOTE SUSPECT DAMAGED(11107/10) ' 10274' --I4-1/2"HES X NIP(9-CR) MILLED TO 3.8" TOP OF 4-1/2"LNR 10282' 4-1/2"TBG, 12.6#,L-80, .0152 bpf,ID=3.958" H 1 02 86' / \ 10286' H4-1/2"WLEG, ID=3.958" 10290' --fELMD TT LOGGED 09/16/95 C. �� 10290' —14-1/2"LNR PKR TOP OF 7"LNR H 10410' ■ r-- )UL &c IOC - 10,850' TSGR- 10968' 9-5/8"CSG,47#, L-80,ID=8.681" —I 10929' I ,a :: ' 10965' ---I3 775"BTT DEPLOYMENT SLV,ID=3.00" I TOC — 10965' ` 10985' —3-1/2"HES X NIP, ID=2.813" 3-1/2"LNR,9.3#, L-80 STL, H 10996' 10996' —3-112"X 3-3/16"XO,ID=2.786" 0087 bpf,ID=z.ss2" ,>;.r E-19A-section mill 11388 - 11450' 0.11 , r' Window- 11391' - 11,440' (2 deg motor 30 LOHS) 7"LNR, 26#,L-80, .0383 bpf, ID=6.276" H 11818' ........,..:::::::::::::.0::::::w:::;::. -sf «;;,.•:_:,;,,;;;,;;,;;,,�x :::,,:,: : 4-1/2" Packer WS - 11 454' la Nii:i '71 Zone 2 exit - 40 deg inc • 2-3/8" L-80 liner 3-3/16" x 4-1/2" dual string exit WHIPSTOCK --I 11488' ------ TD- 14,110' RA TAG — 11496' 4-1/2"TBG, 12.6#,L-80, .0152 bpf, ID=3.958" H 11488' 7 A MLLOUT WINDOW(E-19B) 11489'- 11497 PERFORATION SUMMARY High DLS 11780' H2-7/8"GBP(04/03/10) REF LOG:07/22/07 12255' H.3-3/16"X 2-7/8"XO, ID=2.377" ANGLE AT TOP PERF 52°@ 11681' Note:Refer to Production DB for historical perf data " 3-3-16"LNR,6.2#, L-80 TCII, 12255' SIZE SFF INTERVAL Opn/Sqz DATE 0076 bpf, ID=2.80 2" • 6 11681-11706 04/04/10 2" 6 11734-11744 04/04/10 pgTp —1 13517' 2" 6 12300- 12340 07/22/07 2" 6 12370- 13070 0722/07 2" 6 13150- 13220 0722/07I B ---.1 2-7/8"LNR,6.4*, L-80 STL, 0058 bpf,ID=2.441" H 13552' DATE REV BY COMMENTS DATE REV BY COMMENTS PRUDHOE BAY UNIT 1982 ORIGINAL COMPLETION 10/23/10 WECIAGR GLV C/O(10/07/10) WELL: E-19`, 02/05/95 SIDETRACK COMPLETION 11/17/10 MBM/PJC SET WRP(11/07/10) PERMIT No: 2070770 06/29/07 TEL/PJC SET BKR WS @ 11508' 11/24/10 DAV/PJC PULL MP/GLV CIO(1121/10) API No: 50-029-20571- -00 07/22/07 RBL CTD SIDETRACK(E-19B) SEC 6, T11 N,R14E, 1853'FNL&883'FEL 11/16/09 SM/JMD DRLG DRAFT CORRECTIONS 04/20/10 MV/SV SET CIBP/ADD PERF(04/04/10) BP Exploration(Alaska) 0 03 I Q Cl) 4-1 L 0 J a Q LX I cn v = �L .c1 a E hi ' iAW L MWZ ...41 s- W7 � `� CO a L /'M1 1 1 aaww a a mign d m= W H Z Q E - 2 0 1 z j , cr, 03 z « = A �• �• a o to co LO _ \ } \ CO�0.1 \ a \ %* '7 \ \ � E of a _ ) aQ_ § a . . _ § ) -a ; co \ % g < \) _ th < 2 \ )) k ; $ k ° sI acc 0, cm c � � 2 ƒ k3 / 3S ]) ) § k / § d2 —I _J o ku § a0 2 = _� co in 2 J � ] � co o 0 • .. § ■rz a � - E as § ° § § ] o § ■ $ , 0 ƒ o © 0 . 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New Search ) o Yes O No LAS Menu I Case Abstract I Case Detail I Land Abstract File: ADL 28304 Search for Status Plat Updates As of 04/20/2011 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: 09/14/1965 Total Acres: 2469.000 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: 011N Range: 014E Section: 05 Section Acres:640 Search Plats Meridian: U Township: 011N Range: 014E Section: 06 Section Acres:593 Meridian: U Township: 011N Range: 014E Section: 07 Section Acres:596 Meridian: U Township: 011N Range: 014E Section: 08 Section Acres:640 Legal Description 05-28-1965 ***SALE NOTICE LEGAL DESCRIPTION*** C14-125 11N 14E UM 5, 6, 7, 8 2469.00 U-3- 7 End of Case Summary Last updated on 04120/2011. Not sure who to contact?Have a question about DNR?Visit the Public Information Center. Report technical problems with this page to the Webmaster. Site optimized for Netscape 7,IE 6 or above. This site also requires that all COOKIES must be accepted. State of Alaska Natural Resources LAS Home Copyright Privacy System Status http://dnr.aaska.gov/projects/las/Case_Summary.cfm?FileType=ADL&F ileNumber=2 83 0... 4/20/2011 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 NAMEa/� PTD# o2/ Development Service Exploratory Stratigraphic Test Non-Conventional Well FIELD: 2%D,V/2E' ,..0Y POOL: / e1/d."-ibe-".,�.}y©/G Circle 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(0, 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 perforate and 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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