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Home My WebLink About210-0557. 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 05-08A Hilcorp North Slope, LLC 3800 Centerpoint Dr, Suite 1400, Anchorage, AK 99503 210-055 50-029-20248-01-00 13157 Conductor Surface Intermediate Production Liner 9057 80 2710 11164 2181 11450 20" 13-3/8" 9-5/8" 3-1/2" x 2-7/8" 8984 23 - 103 23 - 2733 21 - 11185 10976 - 13157 23 - 103 23 - 2733 21 - 8793 8663 - 9057 13103 520 2670 4760 10530 11450, 11540 1530 5380 6870 10160 11404 - 12952 4-1/2" 12.6# 13Cr80 20 - 11113 8958 - 9064 Structural 4-1/2" Baker S-3 Packer 11109, 8745 10927, 11109 8633, 8745 Bo York Operations Manager David Bjork David.Bjork@hilcorp.com 907.564.4672 PRUDHOE BAY, PRUDHOE OIL Total Depth Effective Depth measured true vertical feet feet feet feet measured true vertical measured measured feet feet feet feet measured true vertical Plugs Junk Packer Measured depth True Vertical depth feet feet Perforation depth Tubing (size, grade, measured and true vertical depth) Packers and SSSV (type, measured and true vertical depth) 12. Stimulation or cement squeeze summary: Intervals treated (measured): Treatment descriptions including volumes used and final pressure: 13a.Representative Daily Average Production or Injection Data Oil -Bbl Gas-Mcf Water -Bbl Casing Pressure Tubing Pressure Prior to well operation: Subsequent to operation: 15. Well Class after work: Exploratory Development Service StratigraphicDaily Report of Well Operations Copies of Logs and Surveys Run Electronic Fracture Stimulation Data Sundry Number or N/A if C.O. Exempt: ADL 0028326, 0028329 20 - 8748 N/A N/A 284 937 32046 42751 33 32 735 490 1050 900 N/A 13b. Pools active after work:PRUDHOE OIL 4-1/2" Baker S-3 Packer 10927, 8633 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION REPORT OF SUNDRY WELL OPERATIONS Sr Pet Eng: Sr Pet Geo: Form 10-404 Revised 10/2022 Submit in PDF format to aogcc.permitting@alaska.gov Sr Res Eng: Due Within 30 days of Operations No SSSV Installed By Grace Christianson at 3:22 pm, Aug 08, 2025 Digitally signed by Bo York (1248) DN: cn=Bo York (1248) Date: 2025.08.08 13:06:13 - 08'00' Bo York (1248) DSR-9/11/25 RBDMS JSB 081425 JJL 9/5/25 ACTIVITY DATE SUMMARY 7/19/2025 *** WELL S/I ON ARRIVAL *** RAN 4 1/2" BRUSH, 3.66" GAUGE RING TO 7,400' SLM. SET SLIP STOP CATCHER @ 7,068' SLM. PULLED SO-GLV FROM ST# 1 @ 6,920' MD. PULLED LGLV FROM ST# 2 @ 3,573' MD. SET RK-DGLV IN STA # 2 @ 3572' MD. **** WSR CONT ON 7/20/2025 **** 7/20/2025 **** WSR CONT FROM 7/19/2025 **** SET STA #1 RK-DGLV @ 6920' MD. PULLED SLIP STOP CATCHER FROM 7,068' SLM. DRIFTED w/ 23.5' x 2" DUMMY GUNS (2.16" max swell). LIGHTLY TAG CIBP @ 11,540' MD. NO ISSUES. DRAW DOWN IA FROM 2,250psi TO 1,750psi. *** JOB COMPLETE. WELL LEFT S/I ON DEPARTURE *** 7/23/2025 *** WELL SHUT IN ON ARRIVAL *** (SET PLUG IN ZONE/ ADPERF) MIRU YELLOW JACKET E-LINE PT PCE 300 PSI LOW 3000 PSI HIGH, FUNCTION TEST WLVS CORRELATE NTO HES MEMORY COIL FLAG LOG DATED 16 MAY 2014 SET 2.1" CIBP AT 11450' CCL TO MID ELEMENT 14.3' CCL STOP DEPTH = 11435.7', TAG AFTER SET PERFORATE INTERVAL 11404'-11419' WITH 2" 6SPF 60PHASE HSC W/ GEO RAZOR CHARGES CCL TO TOP SHOT 12.5' CCL STOP DEPTH = 11391.5', CONFIRM SHOTS FIRED RDMO YELLOW JACKET ELINE *** WELL SHUT IN ON DEPARTURE *** Daily Report of Well Operations PBU 05-08A 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 05-08A Hilcorp North Slope, LLC 3800 Centerpoint Dr, Suite 1400, Anchorage, AK 99503 210-055 50-029-20248-01-00 13157 Conductor Surface Intermediate Production Liner 9057 80 2710 11164 2190 11540 20" 13-3/8" 9-5/8" 3-1/2" 9.3# x 2-7/8" 6.5# 9028 23 - 103 23 - 2733 21 - 11185 10967 - 13157 23 - 103 23 - 2733 21 - 8793 8658 - 9057 13103 520 2670 4760 10530 11540 1530 5380 6870 10160 11484 - 12952 4-1/2" 12.6# 13Cr80 20 - 11167 9001 - 9064 Structural 4-1/2" Baker S-3 Perm , 10927 , 8633 No SSSV 10927 , 11109 8633 , 8745 Bo York Operations Manager David Bjork David.Bjork@hilcorp.com 907.564.4672 PRUDHOE BAY, PRUDHOE OIL Total Depth Effective Depth measured true vertical feet feet feet feet measured true vertical measured measured feet feet feet feet measured true vertical Plugs Junk Packer Measured depth True Vertical depth feet feet Perforation depth Tubing (size, grade, measured and true vertical depth) Packers and SSSV (type, measured and true vertical depth) 12. Stimulation or cement squeeze summary: Intervals treated (measured): Treatment descriptions including volumes used and final pressure: 13a.Representative Daily Average Production or Injection Data Oil -Bbl Gas-Mcf Water -Bbl Casing Pressure Tubing Pressure Prior to well operation: Subsequent to operation: 15. Well Class after work: Exploratory Development Service StratigraphicDaily Report of Well Operations Copies of Logs and Surveys Run Electronic Fracture Stimulation Data Sundry Number or N/A if C.O. Exempt: ADL 0028329 20 - 8781 402 448 38388 13420 155 18 0 0 996 769 N/A 13b. Pools active after work:PRUDHOE OIL 4-1/2" Baker S-3 Perm , 11109 , 8745 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 9:33 am, Aug 26, 2024 Digitally signed by Bo York (1248) DN: cn=Bo York (1248) Date: 2024.08.23 19:38:28 - 08'00' Bo York (1248) RBDMS JSB 090324 DSR-8/26/24WCB 10-3-2024 ACTIVITYDATE SUMMARY 7/30/2024 ***WELL -- ON ARRIVAL*** LRS PUMPED 170 BBLS WATER W/ SLICK DRIFT W/ 23' X 2" DUMMY GUNS (2.29" DOUGHNUTS) TO 11,600' SLM (NO PUMPING, FELL FREELY) LRS PUMPED 38 BBL FREEZE PROTECT ON TUBING ***WELL LEFT S/I*** 7/30/2024 T/I/O=1877/1767/54 ( PERFORATING ) Assist SL. Pumped 170 bbls Safelube down TBG. Freeze Protected TBG 5 bbls 50/50 and 38 bbls Crude.Secure RU Left well in SL control, FWHP=582/1630/66 8/1/2024 ***WELL SI ON ARRIVAL*** (SET PLUG / ADPERF) MIRU YELLOWJACKET E-LINE PT PCE 300PSI LOW, 3000PSI HIGH. FUNCTION TEST WLVS CORRELATE TO PDS COIL FLAG DATED 16-APR-14 SET NORTHERN SOLUTIONS CIBP AT 11540'. CCL-ME=15.5', CCL STOP=11524.5. TAG AFTER SET PERFORATE 11484' - 11504' WITH 2" 6SPF 60PHASE HSC WITH GEODYNAMICS RAZOR CHARGES CCL-TS=8.5', CCL STOP=11475.5'. CONFIRMED SHOTS FIRED RDMO YELLOWJACKET E-LINE ***WELL SI ON DEPARTURE*** JOB COMPLETE Daily Report of Well Operations PBU 05-08A PERFORATE 11484' - 11504' SET NORTHERN SOLUTIONS CIBP AT 11540'. CIBP and adperfs are correctly shown on WBS, below. -WCB 7. Property Designation (Lease Number): 1. Operations Performed: 2. Operator Name: 3. Address: 4. Well Class Before Work:5. Permit to Drill Number: 6. API Number: 8. Well Name and Number: 9. Logs (List logs and submit electronic data per 20AAC25.071): 10. Field/Pool(s): Susp Well Insp Install Whipstock Mod Artificial Lift Perforate New Pool Perforate Plug Perforations Coiled Tubing Ops Other Stimulate Fracture Stimulate Alter Casing Pull Tubing Repair Well Other: Change Approved Program Operations shutdown 11. Present Well Condition Summary: Casing Length Size MD TVD Burst Collapse Exploratory Stratigraphic Development Service 14. Attachments (required per 20 AAC 25.070, 25.071, & 25.283) 16. Well Status after work: 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. OIL GAS WINJ WAG GINJ WDSPL GSTOR Suspended SPLUG Authorized Name and Digital Signature with Date: Authorized Title: Contact Name: Contact Email: Contact Phone: PBU 05-08A Milled CIBP Hilcorp North Slope, LLC 3800 Centerpoint Dr, Suite 1400, Anchorage, AK 99503 210-055 50-029-20248-01-00 13157 Conductor Surface Intermediate Production Liner 9057 80 2710 11164 2190 13103 20" 13-3/8" 9-5/8" 3-1/2" 9.3# x 2-7/8" 6.5# 9059 23 - 103 23 - 2733 21 - 11185 10967 - 13157 23 - 103 23 - 2733 21 - 8793 8658 - 9057 13103 520 2670 4760 10530 none 1530 5380 6870 10160 11950 - 12952 4-1/2" 12.6# 13Cr80 20 - 11167 9061 - 9064 Structural 4-1/2" Baker S-3 Perm , 10927 , 8633 No SSSV 10927 , 11109 8633 , 8745 Torin Roschinger Operations Manager David Bjork David.Bjork@hilcorp.com 907.564.4672 PRUDHOE BAY, PRUDHOE OIL Total Depth Effective Depth measured true vertical feet feet feet feet measured true vertical measured measured feet feet feet feet measured true vertical Plugs Junk Packer Measured depth True Vertical depth feet feet Perforation depth Tubing (size, grade, measured and true vertical depth) Packers and SSSV (type, measured and true vertical depth) 12. Stimulation or cement squeeze summary: Intervals treated (measured): Treatment descriptions including volumes used and final pressure: 13a.Representative Daily Average Production or Injection Data Oil -Bbl Gas-Mcf Water -Bbl Casing Pressure Tubing Pressure Prior to well operation: Subsequent to operation: 15. Well Class after work: Exploratory Development Service StratigraphicDaily Report of Well Operations Copies of Logs and Surveys Run Electronic Fracture Stimulation Data Sundry Number or N/A if C.O. Exempt: ADL 0028329 20 - 8781 318 830 31581 24321 259 428 0 0 1200 1121 N/A 13b. Pools active after work:PRUDHOE OIL 4-1/2" Baker S-3 Perm , 11109 , 8745 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 2:46 pm, Jun 22, 2023 Digitally signed by Torin Roschinger (4662) DN: cn=Torin Roschinger (4662), ou=Users Date: 2023.06.19 14:06:09 -08'00' Torin Roschinger (4662) RBDMS JSB 071123 WCB 1-9-24 DSR-6/23/23 ACTIVITYDATE SUMMARY 5/26/2023 CTU#6 1.75" CT. Job Scope: Mill CIBP to access Toe Perfs MIRU CTU. Perform Weekly BOP Test. MU YJ 1.69" milling assembly w/ 2.3" 4- bladed Junk Mill. RIH. ***Continue on WSR 5/26/23*** 5/27/2023 CTU#6 1.75" CT. Job Scope: Mill CIBP to access Toe Perfs RIH w/ YJ 1.69" Milling BHA w/ 2.30" 4-blade Junk Mill. Tag CIBP @ 12,146' CTM / 12,167' Mech. Start milling CIBP after 1 hour 1st stall. Worked thru after 1 hr 45 mins slowly push CIBP. Work CIBP down thru perfs pumping. Mill / Push Plug to PBTD at 13103' ctm. Pooh. Freeze Protect Coil w/ Diesel. Bullhead 154 bbls diesel (8000' tvd) to underbalance the well for Ops to POP. Rig Down CTU. Final T/I/O= 275psi / 75psi/68psi ***Job Complete*** Daily Report of Well Operations PBU 05-08A RIH w/ YJ 1.69" Milling BHA w/ 2.30" 4-blade Junk Mill. Tag CIBP @ 12,146' CTM /gg@ 12,167' Mech. Start milling CIBP after 1 hour 1st stall. Worked thru after 1 hr 45g mins slowly push CIBP. Work CIBP down thru perfs pumping. Mill / Push Plug toy PBTD at 13103' ctm. Pooh MIRU CTU. Perform Weekly BOP Test. MU YJ 1.69" milling assembly w/ 2.3" 4- bladed Junk Mill. RIH. The milled CIBP fish is correctly shown on the new WBS, below. -WCB Image Project Well History File Cover Page XHVZE This page identifies those items that were not scanned during the initial production scanning phase. They are available in the original file, may be scanned during a special rescan activity or are viewable by direct inspection of the file. cZI 0 - 055' Well History File Identifier Organizing (done) ❑ Two-sided III VIII I II VIII ❑ Rescan Needed III 11111111 III III RESCAN DIGITAL DATA OVERSIZED (Scannable) Color Items: ❑ Di ettes, No. ❑ Maps: Greyscale Items: Other, No/Type: G. ! ?O• J..- ❑ Other Items Scannable by / a Large Scanner ❑ Poor Quality Originals: OVERSIZED (Non-Scannable) ❑ Other: ❑ Logs of various kinds: NOTES: ❑ Other:: BY: Maria Date: 1 I call LI /s/ of Project Proofing 11111111101111 BY: Maria Date: 1 laqii It /s/ rif Scanning Preparation as x 30 = &d + / 5 = TOTAL PAGES 76-- (Count does not include cover sheet) BY: 111110M Date: C/ ,. /s/ I/�yC►L1— Production Scanning 1111111111 I Stage 1 Page Count from Scanned File: 7 2 (Count does include cove sheet) Page Count Matches Number in Scanning Preparation: ✓ YES NO ' BY: Date: ' c)...7/l q /s/ 44 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. 1111111111111111 1 ReScanned I 111111111M BY: Maria Date: /s/ Comments about this file: Quality Checked n111111111 99I90/O1111 1A/e11 41■cfn.,. ;l t"."..e.D""".d.... STATE OF ALASKA A. _KA OIL AND GAS CONSERVATION COMM._...,ION REPORT OF SUNDRY WELL OPERATIONS 1.Operations Abandon U Repair Well U Plug Perforations U Perforate U Other 11 Set t CIBP Performed: Alter Casing ❑ Pull Tubing❑ Stimulate-Frac ❑ Waiver ❑ Time Extension❑ Change Approved Program ❑ Operat.Shutdown❑ Stimulate-Other ❑ Re-enter Suspended Well❑ 2.Operator 4.Well Class Before Work: 5.Permit to Drill Number: Name: BP Exploration(Alaska),Inc Development Exploratory ❑ 210-055-0 3.Address: P.O.Box 196612 Stratigraphic0 Service ❑ 6.API Number: Anchorage,AK 99519-6612 50-029-20248-01-00 7.Property Designation(Lease Number): 8.Well Name and Number: ADL0028329 PBU 05-08A - 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 13157 feet Plugs measured 12150 fe I V ED true vertical 9057.27 feet Junk measured 12927 feet MAY 0 9 2014 Effective Depth measured 12150 feet Packer measured See Attachment feet true vertical 9058.24 feet true vertical See Attachment feet IA()GCC Casing Length Size MD TVD Burst Collapse Structural None None None None None None Conductor 80 20"94#H-40 23-103 23-103 1530 520 Surface 2710 13-3/8"72#MN-80 23-2733 23-2732.95 5380 2670 Intermediate None None None None None None Production See Attachment See Attachment See Attachment See Attachment See Attachment See Attachment Liner See Attachment See Attachment See Attachment See Attachment See Attachment See Attachment Perforation depth Measured depth 11950-11980 feet 11990-12020 feet 12030-12060 feet 12250-12600 feet 12650-12750 feet 12882-12912 feet 12932-12942 feet 12942-12952 feet True Vertical depth 9061.21-9059.47 feet 9059.2-9058.77 feet 9058.53-9057.64 feet 9061.54-9068.61 feet 9071.36-9073.37 feet 9067.68-9065.59 feet 9064.49-9064.06 feet 9064.06-9063.68 feet Tubing(size,grade,measured and true vertical depth) See Attachment See Attachment See Attachment Packers and SSSV(type,measured and true vertical depth) See Attachment See Attachment See Attachment Packer None None None SSSV 12.Stimulation or cement squeeze summary: Intervals treated(measured): s A$NED MAY 2 9 2014 Treatment descriptions including volumes used and final pressure: 13. Representative Daily Average Production or Injection Data Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure Prior to well operation: 483 35776 12 0 1274 Subsequent to operation: 1969 11168 219 0 1390 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 U Gas U WDSPLU 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 Analisa Steger Email Analisa.Steciert BP.Com Printed Name Analisa Steger Title PDC Data Manager ICISignature QAAPhone 564-5439 Date 5/9/2014 RBDAS MAY 14 2 v'LF S/Z°/l4 Form 10-404 Revised 10/2012 Submit Original Only I / 3f \ o / \ \2 ® G ] / mom - 0 / 0 » - $ - / 7- 0 5 - / 0- c M. f \ \ g a 7 j % % q $ _/ \7 G 73 / / \ E. - 73 M a c C \ } / � \/ /2 \ S \ � 3 / / \ 7 ® o e R o / 29/ \ \ / ) i� / / 22R / / \ CD \ c -CDQ l (D 1 gu / /2 / - f e ca R CO < 7 ° § 2 \ -n ® < e ,� m -/ N) - / .. 0C -,- a o 9 u m \ q o a - 0- ƒ / - $ ]•f $ ,c..°" » 2 e a e \ E 7 2 a o 3 \ / f E o § 2 I - 0 \ 6 0 0 ?_ 3 » Cl) a _ 7 s. w ¥ _ G § % a) • : I) / 2 \ sa q CO = \(0 ƒ k /\ / / -oz - z SCO Se- o \ $ =-ti cm $ 7 \ f 2 \ # o ? E k § \ 2 5' ® E / 03 Gm CO � � \ /7 \ a � \ -2 / � § \ 2K7� / W / o2@ / CP I a ° _ -0 E \ c H 0 » \ 0 2E= Nr m k @ = I k / ? ƒ o \ E C_ IE -5 Ei w ) 5 6 § R R / m % E.£ X22 am . - a731 E � eecEM E / «/_ 2 �� G I - \ /� / - / •� / � \ - I /,g / ƒ \ / \ = Ee ;CD • ,m= 0E � = 9 g 'N) (.7, co R 0© E 2 E � �� :2 § 4:k'es) J1� J / / f ƒ c .9 2 © m /e II 7 � Era ECO < = I x w 9 q / ~ 0 0.. - C C C X X> Z Z O W W 7JO O H m m z 0 ZZDCC0 O2JDCu 0C) C) C) s' m —1 H cc O O zz 73 N N O) N CCD CO aO J W O A CO CCO c J -• 0 C..31 r\..) CO O co O O) W 0 W 0 0 O N N W CJ1 ' N 00 0 pp 00 N = W N J V v *k N tI) •-•-• Z Z r ; � Q � COCO00Co0 CD CO O O vC r � _ CO N � aN N) ? A N N N co O co CO A CT W CO °° CO J w a � - , � a) n N 00 N W _. (A O W O 000 in (I1 (r OW 2 O J CO CD Co N CO CO rh J J A J 0) N N NO J N O co WcriW 01 (O J 01 01 00 CO I I 1 v 00 OD N 00 N CO CO CO N W CO O A 01 J N CO O A J CT W I 0 N CP CO N J W CJl 01 W 01 J 00 CO CO U1 CO O CA a a CO A A W CO CO O O 01 C CO CO Ul J J aW rl 0 0 0 0 0 a a O n J J N 01 CT cri CA O J JCP 1: O O J CO O) O a) W O„ 0 0 0 0 0 0 0 (p CD Packers and SSV's Attachment ADL0028329 SW Name Type MD TVD Depscription 05-08A PACKER 10927 8632.62 4-1/2" Baker S-3 Perm Packer 05-08A PACKER 10967 8657.59 4-1/2" Liner Top Packer 05-08A PACKER 11109 8745.47 4-1/2" Baker S-3 Perm Packer TREEr CSN S Y NOTES:WELL ANGLE>70°@ 11610'. LH�D= 05�08A ACTUATOR= BAKER ***4-1/2"CHROME TBG***ORIG WELL NOT OKB ��_ SHOWN BELOW WHIPSTOCK*** BF ELEV= ? i ) _ KOP 2 , 2124 H4-1/2"HES X NP,D=3.813" Max Angle- 96'@ 11902' 20"CONDUCTOR, - -109 _J Datum Angle = 112$0' 94#, 340, 2338' H9-5/8"HALLO FOC D=19.124" /J: Datum TVD= 8800 SS 2408• -{9-5/8"FES CE U l TH 9-5/8'CSG,47#,L-80 HYD 563,D=8.681" -I 2420' 2461' 9-518"HALLO FOC 9-5/8"BOT CSG PATCH,ID=9.725' H 2424' GAS LFT MANDRILS ST MD ND DEV TYPE VLV LATCH FORT (4.TE 13-3le'CSG,72#,MN 80 BUTT,D=12.347' -I 2733' 2 3572 3554 20 MMG DOME RK 16 09/18/10 1 6920 6038 51 MMG SO RK 20 09/18/10 - , 10896' -14-1/2"HES X NP,D=3.813" Minimum ID =2.37" @ 10967' 4-1/2" BAKER LNR TOP PKR 1 x, 10927' —19-5/8"x 4-1/2"BKR S-3 PKR D=3.875" ' 10962' H 4-1/2"HES X NP,D=3.813" —, 10967' H4-1/2"BKR KB LTP,D=2.37"(09/13/10 TOP OF 2-718'LNR -{ 10976' a 10976' -I ESTMATE)TOP OF CI3AENT ,; $ 10976' H 3.70"BTT DEPLOY MENT SLV,D=3.00" 0 1 10998' H 3-1/2"UTE X NP,D=2.812" •/ :4 • 4-1/2"TBG, 12.6#,13CR-80 VAM TOP, H 11065' 1 1 11034' 4-1/2"HES XN NP,D=3.80" 0152 bpf,D=3.958" 74 1 (MILLED OUT 05/22/10) BEHIND ./ 1 4-1/2"TBG STUB(06/24/08) -1 11070' ,1 0 CT LNR �/ 1 11081' OVERSHOT ,• 0. �/ 1 --..--46r4 •or.- 11109' --19-5/8"X 4-1/2"BKR S3 PKR D=3.875' 4-1/2"TBG,12.611,L-80 BTC-M, 11118' ELM , 1 11118'ELM HJET CUT TALPPE(06/05/09) .0152 bpf,D 1111 1111=3.958" 11111111 11111111 1111 1111 &OA ♦111 R 3-1/2"LN9.3#,L-80 STL,.0087 bpf,D=2.992' H 11157 *YR i1rt4�1�14 11157' -{3-1/2"X3-3/16"XO,D=2.786" 1111 Mir 1111111 1111111 11158' —13-3/16"X 2-7/8"XO,D=2.377" 9-5/8" FSTOCK(09/05/10) —� 11183' 11111i1 41111111 W 4.1411.1' x.14 MLLOUT WINDOW(05-08A) 11185'-11194' RA TAG(09/05/10) -I 11193' I--, 4`1WINDOW4 . 9-5/8"CSG,47#,J&L 95/N-80 BUTT,ID=8.681" -1 -11194 I—� ` 12149' -I 2-7/8"CEP(04/17/14) At PERFORATION SLAB ARY ` REF LOG: BH MVVD ON 09/10/2010 ANGLE AT TOP PERF: 95°@ 11950' Note:Refer to Production 08 for historical pert data ` SIZE SPF INTERVAL Opn/Sqz SHOT SQZ 2' 6 11950-11980 0 04/17/14 •t`. `W 0 2" 6 11990-12020 0 04/17/14 `91kr 2" 6 12030-12060 0 04/17/14 IPBTDJ- 13119' 2" 6 12250-12600 C 09/11/10 • 2" 6 12650-12750 C 09/11/10 2-7/8"LNR,6.5#,L-80 SIL,.0058 bpf,D=2.441" - 13157' 1 2" 6 12882-12912 C 11/19/12 2" 6 12932-12952 C 11/09/12 DATE REV BY COMMENTS DATE REV BY COMMBNTS PRUDHOE BAY MT 07/04/77 PKR 141 INITIAL COM PLETION 01/04/11 KSB/PJC FNAL DRLG CORRECTONS WELL: 05-08A 09/07/83 N1 E5 RN° 04/18/14 TFA/JMD ADFERFS/SET CEP(04/17/14) PERMT No:"2100550 11/21/88 WSR-1 F5NO API No: 50-029-20248-01 12/25/97 D16 IMO SEC 32,T11 N,R15E,2428'FSL&234'FW- 07/22/08 D16 MO 09/13/10 NORDICI CTD SIDETRACK(05-08A) BP Exploration(Alaska) i 0 � o o U c m a a c N L m CO CO a) 1172 > E ccc a N / N Q' as y_ O O as N C+oan U // N 0 • U U cn llIllHiH Z m E v� N 0 m > > E t� 0- y > E Z 3 o 0 U co 0 00 0aa)) a) > oN 0 aaa)ja) um F. U c 2 J a' 2J '2a'a' �a0 2 2Q'a' :-. Q is O O J U N .- O N N N N N N N N N O Q cn • N N O N N N N N Z -J _ _ _ _ _ 2 E c c c c c c c c E ▪ N O x x N N a) a) a) a) a) a) a) a) -q c as as a a a a a a a s F— CO CO Y ° U 0 0 0 0 0 0 0 0 0 0 0 N Q U OZ as y o o � d d 1 � 0 I �p cA co CO CO £N li m W I w O I) O O N V V O N Z li 0 C I S M CO co co CO CO rr J '� O o O O O ICI W d J IIII I d C) m o Z :..,6 c o d Q a' Z CL c`6 ; i a J T6 I RI CL ° o o)a ? 0 0 0 0 C N co ZI J 2 m 0 0 0 0 in r _ a Nd N m Lo O it) E a O 0 N N N U) Lf) CD I C J ce Q II— O C7 a I— ~ O -.1 TO N 5 z G = N 0 Z CO W m co C ,p 0 a) - 2 v+ p p 0 N Q w 0.• o Q a °I ' — w w w Q a1 0 O Z 2 •N N• •N •N Z ? 0 (� CC CO CC Ce CO cr I N O C C C C y d C C O o O ca o O- 0 O N- E 1 0 O Lo I I a co > > aa, aa)i a E 3 a E a c O Z a> a) c CO c c CO c .o-.i N Z Z 0 0 - 0 co 0 ., E In Z J •. •a) XI M N O IA 2 y V7 rt (o O '� 0 ~ 1 d 0 0 0 N N , C O < 1 Z . p W O Z N 0 ° . a) III 0 F- .. ca r 0. d E •= N u. 'L V p - LL N N N n t6 is 0 to w C •�� J Q J Q N Z i3 0 in 2 co \ U U .J U Q ? W 0 \ \ U w E D 1 Q N a W Q a 0 0 a' 0 o -600 0 0 0 0 a m i I Q. 10 13 J 0I- J W Q' W W J J J W o 1 4 .-t I v N O N i CD U_ o 5 N r z F. a '7 JJ, J O P ,c qZ Y . ad+ Lo to I— Cl) C O LI a O Z 0 Z O W g ce J a W W J > U m o N Z X s I- ICC Q y 7 N O J a m 2 ny I i ! ,,,, CL O —> � c 'm C O G c 0 u N O N a E O N J Q ° H " 0 o I 5 Z o N G } iM m a CO rn I w• a) i in I 0 Q c cc o a .� a z o i0 p 0 E co z m Lo° I' cn : ! ! ' i o N 0 ° w > E iii co Q 0 — n .� E 0 a 2 Q 5 0 <III o 0 STATE OF ALASKA RECEIVED AL :A OIL AND GAS CONSERVATION COMM ON DEC 1 9 2012 REPORT OF SUNDRY WELL OPERATIONS 1.Operations Abandon U Repair Well U Plug Perforations U Perforate U Otfier"PGCC Performed: Alter Casing ❑ Pull Tubing❑ Stimulate-Frac ❑ Waiver ❑ Time Extension ❑ Change Approved Program ❑ Operat.Shutdown❑ Stimulate-Other ❑ Re-enter Suspended Well❑ 2.Operator 4.Well Class Before Work: 5.Permit to Drill Number: Name: BP Exploration(Alaska),Inc Development 0 Exploratory ❑ 210-055-0 3.Address: P.O.Box 196612 Stratigraphic❑ Service ❑ 6.API Number: Anchorage,AK 99519-6612 - 50-029-20248-01-00 7.Property Designation(Lease Number): S.� 8.Well Name and Number: _ ADL0028329 93 )a1� PBU 05-08A 9.Logs(List logs and submit electronic and printed data per 20AAC25.0 1): 10.Field/Pool(s): To Be Submitted PRUDHOE BAY,PRUDHOE OIL 11.Present Well Condition Summary: Total Depth measured 13157 feet Plugs measured None feet true vertical 9057.27 feet Junk measured 12927 feet Effective Depth measured 13119 feet Packer measured See Attachment feet true vertical 9058.69 feet true vertical See Attachment feet Casing Length Size MD TVD Burst Collapse Structural None None None None None None Conductor 80 20"94#H-40 23-103 23-103 1530 520 Surface 2710 13-3/8"72#MN-80 23-2733 23-2732.95 5380 2670 Intermediate None None None None None None Production See Attachment See Attachment See Attachment See Attachment See Attachment See Attachment Liner See Attachment See Attachment See Attachment See Attachment See Attachment See Attachment Perforation depth Measured depth See Attachment feet True Vertical depth See Attachment feet Tubing(size,grade,measured and true vertical depth) See Attachment See Attachment See Attachment Packers and SSSV(type,measured and true vertical depth) See Attachment See Attachment See Attachment Packer None None None SSSV 12.Stimulation or cement squeeze summary: Intervals treated(measured): Treatment descriptions including volumes used and final pressure: 13. Representative Daily Average Production or Injection Data Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure Prior to well operation: 494 41976 21 1276 Subsequent to operation: 613 49460 26 927 14.Attachments: 15.Well Class after work: Copies of Logs and Surveys Run Exploratory❑ Development is - Service ❑ Stratigraphic ❑ Daily Report of Well Operations X 16.Well Status after work: Oil./.el Gas ❑ WDSPL❑ GSTOR ❑ WINJ ❑ WAG ❑ GINJ ❑ SUSP❑ SPLUG❑ 17.I hereby certify that the foregoing is true and correct to the best of my knowledge. Sundry Number or N/A if C.O.Exempt: N/A Contact Nita Summerhays Prepared by Nita Summerhays 564-4035 E-mail Nita.SummerhaysCu.bp.com Printed Name Nita Summerhays a Title Petrotechnical Data Technician Si.•..,._r ` j ' �1�I�_` Phone 564-4035 Date 12/19/2012 RPT MS DEC Z 0 Lr;?fe.0O27 /2-- 1 , 11- P/ "Zu Form 10-404 Revised 11/2011 Submit Original Only Daily Report of Well Operations ADL0028329 7377-ARITA673711 JOB CONI INUED FRO NOV-2012 .. ... �� - ,..,...ri.. HAD ISSUES WITH NEXT TRACTOR\PERF GUN RUN SO DECISION MADE TO PULL OUT OF HOLE TO CHECK OUT(TRACTOR SHUTTING DOWN PREMATURELY DUE TO PERIMETERS SET TO LOW IN TRACTOR SOFTWARE) PERF RUN#2- PERFORATED INTERVAL @ 12932'- 12942'_W/WELLTEC TRACTOR & 10'x 2" PJ HMX 2006 GUN CURRENTLY WELLTEC IS SERVICING & DOING CHECKS ON TRACTOR FOR NEXT GUN RUN 11/9/2012 ***JOB CONTINUED ON 10-NOV-2012""" """JOB CONTINUED FROM 9-NOV-12""" RIH WITH HEAD (5X3 WP)/WELLTEC 218 XR/CCL/GR/SHOOTING TOOL/2" PJ HMX 2006 (10')!2.25"CENTRALIZER. SPECIFICATIONS: OAL= 58'/OAW= 360#/MAX OD =2.25". TOOL BECAM STUCK ON FIRST ATTEMPT TO PULL INTO SHOOTING POSITION AT 12985'. PULLED MSP AND TRIED TRACTORING. BECAME FREE BY TRACTORING. TOOL STUCK WHEN PULLING SHOOTING PASS AT 12960'. PULLED MSP TO TRY AND GET FREE. ATTEMPTED TO TRACTOR DOWN AND GET FREE. PUMPED 291 BBLS CRUDE TO TRY AND FREE THE TOOL. ALL ATTEMPTS FAILED. (,. DECISION MADE TO RELEASE WRD AND POOH. STRING LEFT IN HOLE WELLTEC TRACTOR/PASA SUB/WPPT/FIRING HEAD/5'2" 2y1i1 HSD/2.25" CENTRALIZER. TOP OF TOOLSTRING DOWNHOLE IS AT ABOUT 12927'. OAL= 53'/OAW= 340#/FN = 1.375" --+- FINIAL T!I!O =40/800/0 FINAL VALVE POSITIONS: SSV/SWAB/WING = CLOSED, MASTERNALVES TO CASING = OPEN """JOB INCOMPLETE. TOOLSTRING LEFT DOWNHOLE. WELL SHUT-IN UPON 11/10/2012 DEPARTURE.*** CTU 8 w/ 1.75" CT. Scope: Fish tractor and live gun. <<InterAct Publishing>> MIRU, Function test BOPs. RIH w/ 1.69"CTC, DFV's, Bowen Jars, Disco (1/2"ball) Burst Sub(5k psi), x-over, 2.12" Venturi OAL= 17.06'. Tag fish at 13070' CTM work venturi & POOH. ... 11/14/2012 JOB IN PROGRESS CI U 8 w! 1.75" CT. Scope: Fish tractor and live gun. <<InterAct Publishing» RIH w/ 1.69"CTC, DFV's, Bowen Jars, Disco (1/2" ball) Burst Sub (5k psi), 1.81" Hydraulic G Spear OAL= 11.89', Baited 2"JD pulling tool w/2"G Fishing neck OAL= 2.4"Total BHA OAL= 14.29' Tagging TOL, attempt to pass no luck, POOH, set down injector/lubric change pack offs inspect chains. PU injector/lubric, MU CTC. 11/15/2012 ...Job in progress... CTU 8 w/1.75"CT. Scope: Fish tractor and live gun. <<InterAct Publishing>> RIH w!BOT CTC/MHA/fishing string w!JDC Fishing tool&fluted centralizer OAL= 17.58' Tagging liner top at 10972' multiple attempts failed, POOH. Changed up BHA by adding hydraulic centralizer& hydraulic JDC w/muleshoe OAL= 16.33'Tagged up on liner top making several attempts with and without hydraulic centralizer activated. POOH Muleshoe on JDC had marks on tip. RIH w/1.90" DCT, 1.69" DFCV's, 1.69" Dual Acting Jars, 1.69" Disco(1/2") 1.69" Rupture Sub 5k, 2.0"x-over, 11/16/2012 2.13" Indexing Tool (45 deg slot) 2.25" Hydraulic Releasing JDC OAL= 16.17' ...Job in progress... CTU 8 w/1.7-5"CT. Scope: Fish tractor and live gun. <<InterAct Publishing» Continue WSR from 11/17/12 Cont POOH, stop @ 300'for live gun safety meeting/HARC/Procedures. PU, trapped tractor&5' live guns in master valve, pump off Hydr OS leaving 1.375"WRD FN 2.6' above master valve w!51.5', total length of e-line perf assembly hanging. SSV left open, swabs closed, all flagged 11/17/2012 &tagged, Pad Op informed. Slick line informed. """CT Fishing Complete""" 7 0 CTU#8 w/1.75"CT Job Scope: Log & Perf. <<InterAct Pumblishing>> RIH w/1.90"CRC, 1.69" MHA w/dual checks, disco(9/16"ball), blank sub, 1.97"x-over, 2.20"carrier w/Gama/CCL inside, 2"x-over, 2.20"JSN OAL= 14.42', PT/test pump kick out/negative test on pump check& DFC's. RIH. Log up with depth correlation logging pass from 13,000'to 12,200' @ 40 FPM. POOH. 11/18/2012 ...Job in progress... CTU#8 w/1.75"CT Job Scope: Log&Pert. <<InterAct Publishing>> Continue VVSR trom 11/18/2012 POOH w/logging string. Recovered data w/-5'correction. RIH w/2"x 30'2006 PJ HMX HSD 6 spf 60 deg. phase. Stopped at orange/yellow flag on CT corrected end of pipe is 12833.7'+ 6.77'to to p shot= 12840.4' continue sty o rr h and launch 1/2"aluminium ball into CT reel. Picked up to shooting depth 2882'correc ood indication gun fired. POOH. On surface confirmed all shoots fire ball recovered. Freeze protected well w.60/40 methanol; Turned well over to operations to POP ***Job Complete*** 11/19/2012 FLUIDS PUMPED BBLS 2 DIESEL 5 METH 291 CRUDE MIXED WITH LUBE 167 SLICK 2% KCL 297 SLICK 2% KCL W/.06% SAFELUBE 379 60/40 METH 1141 TOTAL Perforation Attachment ADL0028329 Perf Opera Meas Meas SW Operation tion Depth Depth ND Depth ND Depth Name Date Code Top Base Top Base 05-08A 9/11/10 PER 12250 12600 9061.54 9068.61 05-08A 9/11/10 PER 12650 12750 9007.36 9009.37 05-08A 11/19/12 APF 12882 12912 9003.68 9001.59 05-08A 11/9/12 APF 12932 12942 9000.49 9000.06 ,05-08A 11/8/12 APF 12942 12952, 9000.06 8999.68 AB ABANDONED MIR REMOVED APF ADD PERF MIS MECHANICAL ISOLATED BPP PULLED MLK MECHANICAL LEAK BRIDGE OPEN BPS PLUG SET OH HOLE FCO FILL CLEAN OUT STC STRADDLE PACK,CLOSED FIL FILL STO STRADDLE PACK, OPEN SQF SQUEEZE FAILED SPS SAND PLUG SET SQZ SQUEEZE SL SLOTTED LINER PER PERF SPR SAND PLUG REMOVED RPF REPERF Packers and SSV's Attachment ADL0028329 SW Name Type MD TVD Depscription 05-08A PACKER 10927 8568.62 4-1/2" Baker S-3 Perm Packer 05-08A PACKER 10967 8593.59 4-1/2" Liner Top Packer 05-08A PACKER 11109 8681.47 4-1/2" Baker S-3 Perm Packer • m p,p 0 0 0 0 0 0 0 0 A N , . CO CO W r o 0 cn0 .- � r- 000cc) U) o r CO N N- N- C.) O o eM � �j ° O °naooc° c° CD CO Cf) � CDCOCOcOuXCOco co r- cc) M Lo I`, N 0) N O) V' M to I• CO o N CO O N CO N CO CO co CO in �- Lo O) CO 1 4 to c7 0 N in N O N N N CO N- . N CO CO N CO co --f O !s-Lo co co Nr N CO N Q M r- ao cn o O CO cvOcnr- v0) COo N- CO n' NONV � NNa C p N CO .a 0 0 Q p p p to COO O 0 CO CO CO CO CA Z O 00 J J Z (j) N_ *kML # NCO N R1 N � OCONr NI' � � N U ONw � wpOccoo _ EN CO N p 03 CD CO r+ O CO CD 0 in C Co O CA 00) cr 0 CO N- O 00)) N CD N N 00 CD HO = 000 M 0 c c O p Z Z vzww1- 00cc mm OZZaa_a_ u) i- TREE= CM .Y NOTES:WELL ANGLE>70°@ 11610'. 1NELLFEAD= FMC 05-08A ----- ,�- --------- "'4-112"CHROME TBG***ORIG WELL NOT A TOR= BAKER C SHOWN BELOW WHIPSTOCK*" KB.ELEV= 64' BF.ELEV KOP= ' N g I I 2124' H4-1/2"FESXNP,D=3.813" I g Max Angie= 96°Q 11907 2338' 9-5/8°FWLCO FOC Datum MD= 11280' N• DatumTVD= 8800'SS 1j j 2408' J--{9-5/8"FESCaU4TER—I• 9-5/8"CSG,47#,L-80 HY D 563,D=8.681" —I 2420' --_. A� 2461' 9-5/8"HALLO FOC 9-5/8"BOT CSG PATCH,D=9.725" H 2424' - GAS LFT MANDRELS ST MD ND DEV TYPE VLV LATCH PORT DATE 13-3/8'CSG,72#,MN-80 BUTT,D=12.347' H 2733' - 2 3572 3554 20 RMG DONE- RK 16 09/18/10 1 6920 _ 6038 51 MMG SO RK 20 09/18/10 Minimum ID =2.37" @ 10967' , 1 I 10896• I-14-1/2"FEs x NP,D=3.813• 4-112" BAKER LNR TOP PKR 1 ►. g—I 10927' H9-5/8"X4-1/2"BKR S-3 PKR,D=3.875• 10962' H4-1/2"FE5 X NP,D=3.813' I 10967' H4-1/2"BKR KB LTP,D=2.37"(09/13/10 I TOP OF 2-7/8"LNR -I 10976' 1_11: ,. 10976' -1 ESTIMA r®TOP of C Jr' , 10976' I--13.70"BTT DEPLOYMENT SLV,D=3.00" 1 ,1 : I 10998' —I3-1/2"OTIS X NP,D=2.812' I /4 4 �, ,� 11034' 4-1/2"FES XN NP,D=3.80" 4-1/2'TBG,12.6#,13CR-80 VAM TOP, —I 11065' _ I I 0152 bpT,D=3.958' 1' I(MILLED OUT 05122110) BEHIND O 4-1/2'TBG STUB(06/24/08) —I 11070' M;4 ■ CT LNR q e I 11081' H 9-5/8"X 4-1/2"UNIQUE OV ERSHOT I .4 ■ ..• tier_ 11109' 9-5/8"X 4-1/2'BKR S-3 PKR,13=3.875" M 4 t 4-1/2"TBG,12.6#,L-80 BTGM, -1 11118'ELM !4 1: 1 11118'ELM IH JET CUT TALPFE(06/05/09) I .0152 bpf,D=3.958" ►44444441 444.444• 444 ** ►4441 1441 13-1/2"LNR,9.3#,L-80 Sn,.0087 bpf,13=2.992" H 11157' _ r4v4v4v4� /F# ��. 1115T H3-11x3-3116"x0,0=2.705" I ►*'*'*'.' 14444444 11158' 3-3/16"X 2-7/8"X0,113=2.377" 14444 •••• H 9-5/8"WHPSTOCK(09/05/10) 11183' $•••4•44 I4 SW '4��4 44• • •�4**• . IvLLOUT WitDOW(05-08A) 11185'-11194' RA TAG(09/05/10).—I 11193' '4.*�.1 _ 9-5/8-CSG,47#,J 8 L 95/N-80 BUTT,D=8.681" H ^11194 ` 12927'ELMD I FISH-WELLTEC TRACTOR w/SLB GUN- PERFORATiON SUM AARY NB FISH K=1.375'(11/10/12) REF LOG: BF1 RAND ON 09/10/2010 4S"" - ANGLE AT TOP PERF: 88°4t 12250 C.(, Note:Refer to Production OB for historical pert data SIZE SPF INTERVAL Opn/Sqz SHOT SOZ A■ A 2' 6 12250-12600 0 09/11/10 .�;;; 2" 6 12650-12750 0 09/11/10 PBTD 13119' 2" 6 12882-12912" 0 11/19/1270 2" 6 12932-12952 0 11/09/12 ) ✓ 2-7/8"LNR,6.5#,L-80 STL,.0058 bpf,D=2.441" H 13157' DATE REV BY COMVEPJTS DATE REV BY COMMENTS P UDHOE BAY UNIT 07/04/77 PKR 141 ORIGINAL COMPLETION 09/19/10 MSS/PJC GLV GO(09/18/10) WELL 05-08A 09/07/83 N1 ES RWO 01/04/11 KSB/PJC FINAL DRLG CORRECTONS PERMT No:12100550 11/21/88 WSR-1 RNO 11/11/12 JCMY PJC FISH-TRACTOR w /GUN AR No: 50-029-20248-01 12/25/97 D16 RWO 11/12/12 JCM PJC PERFS(11/08-09/12) SEC 32,T11N,R15E,2428'FSL 8 234'FWL 07/22/08 016 !VINO 11/28/12 DMS/JMO PERFS(11/09-19/12) 09/13/10 NORI]IC1 CID SIDETRACK(05-08A) BP Exploration(Alaska) • HUGHES www.bakemughes.com PRINT DISTRIBUTION LIST COMPANY BP EXPLORATION(ALASKA), INC COUNTY NORTH SLOPE BOROUGH WELL NAME 05-08A STATE ALASKA HELD PRUDHOE BAY UNIT DAIS 11/9/2011 THIS DISTRIBUTION LIST AUTHORIZED BY: Alfredo Martinez 2�0 - 0�� SO#3361257 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 900E 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 STATE OF ALASKA RECEIVED ' ALASKA OIL AND GAS CONSERVATION COMMISSION DEC 0 3 2010 WELL COMPLETION OR RECOMPLETION REPORT Akigalalaias Cons.colonise= 1 a. Well Status: ®Oil ❑Gas ❑SPLUG ❑Other ❑Abandoned ❑Suspended 1 b. Well Class: An r8 8 2OAAC 25.105 20AAC 25.110 ® Development U Exploratory ❑ GINJ ❑WINJ ❑WAG ❑WDSPL ❑Other No.of Completions One ❑Service ❑Stratigraphic 2. Operator Name: 5.Date Comp.,Susp.,or Aband.: 12. Permit to Drill Number: BP Exploration(Alaska)Inc. 9/13/2010 210-055 3. Address: 6.Date Spudded: 13. API Number: P.O. Box 196612,Anchorage,Alaska 99519-6612 9/5/2010 50-029-20248-01-00 4a. Location of Well(Governmental Section): 7.Date T.D.Reached: 14. Well Name and Number: Surface: 09/09/2010 PBU 05-08A 2428'FSL,234'FWL, SEC.32,T11 N, R15E, UM Top of Productive Horizon: 8. KB(ft above MSL): 64' 15.Field/Pool(s): 3826'FSL, 1031'FWL, SEC.06,T1ON, R15E, UM GL(ft above MSL): Prudhoe Bay Field/Prudhoe Bay Total Depth: 9.Plug Back Depth(MD+TVD): Oil Pool 125'FSL, 979'FWL, SEC.31,T11N, R15E, UM 13119' 9059' 4b. Location of Well(State Base Plane Coordinates,NAD 27): 10.Total Depth(MD+TVD): 16. Property Designation: Surface: x- 697316 y- 5948597 Zone- ASP4 13157' 9057' ADL 028326&028329 TPI: x- 693207 y- 5944608 Zone- ASP4 11.SSSV Depth(MD+TVD): 17. Land Use Permit: Total Depth:x- 693115 y- 5946184 Zone- ASP4 N/A 18.Directional Survey: !:4 Yes ❑No 19.Water depth,if offshore: 20. Thickness of Permafrost(ND): (Submit electronic and printed information per 20 AAC 25.050) N/A ft MSL 1900'(Approx.) 21.Logs Obtained (List all logs here and submit electronic and printed information per 20 AAC 25.071): 22. Re-DrillLateral Top Window MD/TVD: GR/ROP/PRESS/RES, MCNL/GR/CCL, MWD 11184' 8792' 23. CASING,LINER AND CEMENTING RECORD SETTING DEPTH MD SETTING DEPTH TVD HOLE AMOUNT CASING Wr.PER FT. GRADE TOP BOTTOM TOP BOTTOM SIZE CEMENTING RECORD PULLED 20" 94# H-40 Surface 109' Surface 109' 32" 224 sx Arctic Set 13-3/8" 72# MN-80 Surface 2733' Surface 2733' 17-1/2" 5000 sx Arctic Set 9-5/8" 47# N-80/J&L N-80 Surface 11184' Surface 8792' 12-1/4" 1200 sx Class'G'.300 sx Arctic Set /J&L 95 3-1/2"x 3-3/16" 9.3#/6.2# L-80 10967' 13157' 8658' 9057' 4-1/8" 136 sx Class'G' x 2-7/8" /6.16# 24. Open to production or injection? 0 Yes ❑No 25. TUBING RECORD If Yes,N list toeach interval open SIZE DEPTH SET(MD) PACKER SET(MD/TVD) (MD+TVD of Top& Perforation Size and Number): 2"Gun Diameter,6 SPF 4-1/2", 12.6#, 13Cr80/L-80 11118' 10927'/8633' MD ND MD ND 11109'/8745' 12250'-12600' 9062'-9069' 26. ACID,FRACTURE,CEMENT SQUEEZE,ETC. 12650'-12750' 9071'-9073' S ' ' t J ,.t7svC4 I DEPTH INTERVAL(MD) AMOUNT AND KIND OF MATERIAL USED / h I + 6 f! 2500' Freeze Protected with 38 Bbls of Diesel i cliiiii cr 27. PRODUCTION TEST Date First Production: Method of Operation(Flowing,Gas Lift,etc.): September 20,2010 Flowing Date of Test: Hours Tested: Production For OIL-BBL: GAS-MCF: WATER-BBL: CHOKE SIZE: GAS-OIL RATIO: 9/21/2010 7 Test Period 9 364 1682 946 78 4620 Flow Tubing Casing Press: Calculated OIL-BBL: GAS-MCF: WATER-BBL: OIL GRAVITY-API(CORR): Press. 487 900 24-Hour Rate♦ 1248 5766 3244 28. CORE DATA Conventional Core(s)Acquired? ❑Yes 18I No Sidewall Core(s)Acquired? ❑Yes 0 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. None RBDMS DEC 06 2010 Form 10-407 Revised 12/2009 CONTI ON REVERSE Submit Original Only c> 74- /._ /-/,Aixeev/ 29. GEOLOGIC MARKERS(List all formations and markers encountered): 30. FORMATION TESTS NAME D TVD Well Teste ]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. Top CGL/Top Zone 3 11196' 8800' Bottom CGL/Top Zone 2C 11278' 8862' None 25N/23SB/Top Zone 2B 11387' 8947' 24N 11420' 8967' 22TS 11438' 8977' 22N 11499' 9009' 21TS/Top Zone 2A 11518' 9018' Formation at Total Depth(Name): 21TS/Top Zone 2A 13157' 9057' 31.List of Attachments: Well History Summary,Summary of Daily Drilling Reports,Well Schematic Diagram and Surveys. 32.I hereby certify that the foregoing is true and correct to the best of my knowledge. Signed: Sondra ewman l Title: Drilling Technologist Date: ,,c (_k3 t I l ) PBU 05-08A 210-055 Prepared By Name/Number. Sondra Stewman, 564-4750 Well Number Permit No./Approval No. Drilling Engineer: Wilmer Hoffman,564-4592 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 la: 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 TREE= CIW — . 1 _WELLHEAD= FMC � 0 5 0 8A ETY NOTES:WELL ANGLE>70°@ 11610'. ACTUATOR= BAKER C i JPAD + ---4-1/2"CHROME TBG&NIPPLES***ORIG WELL KB.ELEV= 64' NOT SHOWN BELOW WHIPSTOCK*** BF.ELEV= ? KOP= ? ' 1 I 2124' H4-1/2"HES X NIP, ID=3.813" I Max Angle= 96°@ 11902' , ■ Datum MD= 11280' i 2338' H9-5/8"NALCO FOC I Datum TVD= 8800'SS ■ • lj I 2408' Ii 9-5/8"HES CEMENTER 9-5/8"CSG,47#, L-80 HYD 563, ID=8.681" --I 2420' a I 2461' I-19-5/8"NALCO FOC] 9-5/8"BOT CSG PATCH, ID=9.725" H 2424' GAS LIFT MANDRELS ST MD TVD DEV TYPE VLV LATCH PORT DATE 13-3/8"CSG,72#, MN-80 BUTT, ID=12.347" I--I 2733' 2 3572 3554 20 MMG DOME RK 16 09/18/10 1 6920 6038 51 MMG SO RK 20 09/18/10 Minimum ID = 2.37" @ 10967' 1 10896' H4-1/2"HES X NIP, ID=3.813" BAKER KB LINER TOP PACKER 10927' 1-19-5/8"x 4-1/2"BKR S-3 PKR, ID=3.875" I 10962' I-14-1/2"HES X NIP, ID=3.813" I 10967' H4-1/2"BKR KB LTP, ID=2.37" I TOO 10976' 1 ,, 10976' H3.70"BTT DEPLOYMENT SLV, ID=3.00" I 1 ■ ,; 10998' 1-13-1/2"OTIS X NIP, ID=2.812" I 04 ► 4-1/2"TBG, 12.6#,13CR-80 VAM TOP, —I 11065' 4 ` 11034' I 4-1/2"HES XN NIP, ID=3.80" .0152 bpf, ID=3.958" ,� (MILLED OUT 05/22/10) 4-1/2"TBG STUB(06/24/08) —1 11070' X14 • '� • - 11081' 1-19-5/8"X 4-1/2"UNIQUE OVERSHOT I No1, 1 • 11109' H9-5/8"X 4-1/2"BKR S-3 PKR,ID=3.875" I /1 MC 4-1/2"TBG, 12.6#, L-80 BTC-M, H 11118' ELM �� , �� 11118' ELjHJET CUT TAILPIPE(06/05/09) I .0152 bpf, ID=3.958" �� . �� .ft Me Oft. 3-1/2"LNR,9.3#,L-80 STL, .0087 bpf, ID=2.992" H 11157' j#� �� J� I � i� �:ii 11157' -1'2"X:;-3;1,:,,'xo i�-2 ;8g,,,,r, ��A W�A� 11158' H:3_3/16.x ,D"X0 -D 2.377'2')2 I 9-5/8"WHIPSTOCK(09/05/10) -I 11183' I . .i0.�. .0,.0, L...-'2 _,._,,,11117.)_ 4*. MILLOUT WINDOW(05-08A) 11185'-11194'?'? _._ RA TAG(09/05/10) --I 11193' ]---a 4.4tty 9-5/8"CSG,47#,J&L 95/N-80 BUTT, ID=8.681" --I 11837' I---4 r c. .s p L t II 2,_i G,' it. ( PERFORATION SUMMARY REF LOG: BHI MWD ON 09/10/2010 ANGLE AT TOP PERF: 88° a©12250' �q; Note: Refer to Production DB for historical perf data ��•.- _ PBTD --I 13119' SIZE SPF INTERVAL Opn/Sqz DATE 2 6 12250- 12600 0 09/11/10 2 6 12650- 12750 0 09/11/10 2-7/8"LNR,6.5#,L-80 STL, .0058 bpf, ID=2.441" H 13157' I DATE REV BY COMMENTS DATE REV BY COMMENTS PRUDHOE BAY UNIT 07/04/77 PKR 141 ORIGINAL COMPLETION 09/19/10 PJC DRLG DRAFT CORRECTIONS WELL: 05-08A 09/07/83 NIES RWO 09/19/10 MSS/PJC GLV 0/0(09/18/10) PERMIT No:''2100550 11/21/88 WSR-1 RWO 09/28/10 ?/JMD DRLG DRAFT CORRECTIONS API No: 50-029-20248-01-00 12/25/97 D16 RWO SEC 32,T11N,R15E,2428'FSL&234'FWL 07/22/08 D16 RWO 09/13/10 NORDICI CTD SIDETRACK(05-08A) BP Exploration (Alaska) • North America -ALASKA- BP Page 1 of 3 Operation Summary Report Common Well Name:05-08 AFE No Event Type: MOBILIZATION(MOB) Start Date:9/1/2010 End Date: X3-00VM3-C(582,487.00) Project:Prudhoe Bay Site: PB DS 05 Rig Name/No.:NORDIC 1 Spud Date/Time:6/8/1977 12:00:00AM Rig Release:6/14/2010 Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.4111 Long: 0148°24'16.647"W Active Datum: 19: 08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 6/5/2010 00:00 - 18:00 18.00 MOB N WAIT PRE RIG WAS RELEASED FROM 05-25C AT 00:00 BUT IS STILL ON THAT WELL.WAITING FOR WIND TO SUBSIDE TO OPEN CELLAR DOORS. WIND IS 25-35 MPH BLOWING DIRECTLY FROM THE BACK OF THE RIG. REMOVE CAP FROM ANNULAR PREVENTER TO REPLACE CAP SEAL. CUT AND SLIP DRILL LINE. MOVE OFFICE TRAILER DOWN THE PAD NEAR THE NEXT WELL. 18:00 - 00:00 6.00 MOB N WAIT PRE GREASE CHOKE AND KILL LINE VALVES. CONTINUE MONITOR WIND CONDITIONS. 25-37 MPH AT CREW CHANGE,CONTINUING 28-37 MPH UNTIL 24:00. NEEDLE GUN AND PAINT INSIDE SHAKER ROOM AND DOGHOUSE. 6/6/2010 00:00 - 18:00 18.00 MOB N WAIT PRE CONTINUE WAIT ON WIND TO OPEN CELLAR DOORS. ADD TWO VALVES INTO FUEL LINE IN BOILER ROOM#2. CONTINUE CHIPPING AND PAINTING IN SHAKER ROOM. 18:00 - 00:00 6.00 MOB N WAIT PRE OPEN UP HERCULITE AND SPREAD IT AROUND WELL 05-08. HERCULITE IS NEEDED SO OUTSIDE OF RIG CAN BE WASHED DOWN. SPOT RIG MATS ON HERCULITE. WHILE SPREADING OUT HERCULITE SMALL AMOUNT OF GAS IS SEEN BUBBLING UP THROUGH STANDING WATER AROUND ADJACENT WELLHEAD,05-22. NOTIFY PAD OPERATOR,WHO INFORMS DHD. VAC TRUCK IS USED TO REMOVE WATER AROUND TREE,AND OA,IA BLED TO ZERO BY DHD. BUBBLING STOPS AFTER THIS. 6/7/2010 00:00 - 01:00 1.00 RIGD N WAIT PRE CONTINUE WAIT ON WIND. 01:00 - 02:30 1.50 RIGU P PRE PJSM THEN JACK UP RIG AND MOVE OFF WELL. MOVE DOWN THE PAD AND OVER WELL 05-08A. 02:30 - 04:00 1.50 RIGU P PRE PJSM THEN USE MANLIFT TO REMOVE PRESSURE GAUGE ON TOP OF TREE CAP. USE TORQUE WRENCH TO CHECK TREE BOLTS,ALL WERE TIGHT. BACK OVER WELL AND SET RIG DOWN. ACCEPT RIG AT 04:00. 04:00 - 09:30 5.50 BOPSUR P PRE N/U STACK. 09:30 - 10:00 0.50 BOPSUR P PRE FUNCTION TEST BOPS 10:00 - 18:00 8.00 BOPSUR P PRE BEGIN BOPE TEST. WITNESS OF TEST WAIVED BY BOB NOBLE OF AOGCC. ( 0() 18:00 - 21:30 3.50 BOPSUR P PRE CONTINUE BOP TEST. FIRST ROUND 2-3/8 X 3-1/2 VBR AND LOWER 2-3/8 COMBI RAMS FAIL. CONTINUE TESTING BLIND RAMS AND FLOOR VALVES. 21:30 - 22:00 0.50 BOPSUR N SFAL PRE OPEN VBR AND REPLACE ELEMENTS. 22:00 - 23:15 1.25 BOPSUR P PRE RE-TEST VBR AND LOWER COMBIS,GOOD. Printed 10/14/2010 1:13:46PM • North America -ALASKA- BP Page 2 of 3 Operation Summary Report Common Well Name: 05-08 AFE No Event Type: MOBILIZATION (MOB) Start Date: 9/1/2010 End Date: X3-00VM3-C(582,487.00) Project:Prudhoe Bay Site:PB DS 05 Rig Name/No.: NORDIC 1 Spud Date/Time:6/8/1977 12:00:00AM Rig Release:6/14/2010 Rig Contractor: NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647'W Active Datum: 19: 08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 23:15 - 23:30 0.25 RIGU P PRE PJSM FOR PULLING CT ACROSS PIPE SHED. STORED ENERGY AND WORKING AT HEIGHTS WAS DISCUSSED. • 23:30 - 00:00 0.50 RIGU P PRE PULL CT IN TENSION AND REMOVE SHIPPING BAR. PULL CT ACROSS PIPE SHED ROOF AND INTO INJECTOR. 6/8/2010 00:00 - RIGU PRE 9/1/2010 14:00 - 14:15 0.25 MOB P PRE PJSM TO CLEAR LOCATION 14:15 - 17:00 2.75 MOB P PRE CLEAR LOCATION 17:00 - 17:30 0.50 MOB P PRE MOVE RIG 17:30 - 20:30 3.00 MOB N MISC PRE RIG STARTED PUNCHING THROUGH ROAD, BU AND DISCUSS ROAD CONDITIONS WITH SCOTT GREVIE LOAD 10 RIG MATS FROM LAST LOCATION AND BRING AROUND TO FRONT OF RIG 20:30 - 20:45 0.25 MOB P PRE PJSM TO CONTINUE RIG MOVE 20:45 - 00:00 3.25 MOB P PRE MOVE RIG TO DS5 9/2/2010 00:00 - 03:00 3.00 MOB P PRE CONTINUE TO MOVE RIG FROM DS5 03:00 - 04:00 1.00 MOB P PRE RIG TURING ONTO DS5 ACCESS ROAD 04:00 - 05:00 1.00 MOB P PRE RIG ON PAD,SET RIG DOWN AND PREP TO SPOT RIG PJSM TO LAY OUT HERCULITE&T-MATS 05:00 - 06:00 1.00 MOB P PRE LAY OUT HERCULITE AND SPOT T-MATS 06:00 - 07:00 1.00 MOB P PRE CREW CHANGE PJSM TO NU 4"XO TO BOP STACK 07:00 - 08:30 1.50 MOB P PRE NU 4"XO TO BOP STACK 08:30 - 09:00 0.50 MOB P PRE PJSM TO SPOT RIG OVER WELL RIG ACCEPTED @ 09:00 09:00 - 10:00 1.00 MOB P PRE SPOT RIG OVER WELL 05-08 10:00 10:30 0.50 BOPSUR P PRE PJSM TO NU BOPE 10:30 - 12:30 2.00 BOPSUR P PRE NU BOPE 12:30 - 12:45 0.25 BOPSUR P PRE PJSM TO LOAD REEL INTO REELHOUSE 12:45 - 13:15 0.50 BOPSUR P PRE LOAD REEL INTO REELHOUSE 13:15 - 16:15 3.00 BOPSUR P PRE RU TO PT BOPE 16:15 - 16:30 0.25 BOPSUR P PRE PJSM TO PT BOPE 16:30 - 18:00 1.50 BOPSUR P PRE PT BOPE 18:00 - 18:20 0.33 BOPSUR P PRE PJSM TO CONTINUE BOP TEST //�� 18:20 - 23:30 5.17 BOPSUR P PRE CONTINUE TESTING BOPE 6be 23:30 - 00:00 0.50 BOPSUR P PRE BOP TEST COMPLETED,OPEN SV,SSV&MV TO PT FLANGES BELOW THE MASTER CONTINUE REPORT ON 9/3/2010 9/3/2010 00:00 - 00:45 0.75 BOPSUR P PRE CONTINUE TESTING FLANGES BELOW MASTER VALVE GOOD TEST 00:45 - 01:00 0.25 BOPSUR P PRE PJSM TO PU INJECTOR AND STAB COIL 01:00 - 07:01 6.02 BOPSUR P PRE PU INJECTOR, PULL COIL ACROSS&STAB COIL MEG TEST E-LINE GOOD FILL COIL Printed 10/14/2010 1:13:46PM North America -ALASKA- BP Page 3 of 3 Operation Summary Report Common Well Name:05-08 AFE No Event Type: MOBILIZATION (MOB) Start Date:9/1/2010 End Date: X3-00VM3-C(582,487.00) Project:Prudhoe Bay Site:PB DS 05 Rig Name/No.:NORDIC 1 Spud Date/Time:6/8/1977 12:00:00AM Rig Release:6/14/2010 Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647'W Active Datum: 19:08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 03:20 - 03:55 0.58 BOPSUR P PRE PJSM TO RU VALVE CREW&PULL TWC USING LUBRICATOR 03:55 - 04:45 0.83 BOPSUR P PRE PULL TWC USING LUBRICATOR 04:45 - 05:00 0.25 BOPSUR P PRE PJSM TO PT INNER REEL VALVE 05:00 - 06:10 1.17 BOPSUR P PRE PT INNER REEL VALVE Printed 10/14/2010 1:13:46PM North America -ALASKA - BP Page 1 of 20 Operation Summary Report Common Well Name:05-08 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:9/3/2010 End Date X3-00VM3-C(1,432,563.00) Project:Prudhoe Bay Site: PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor: NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647"W Active Datum: 19: 08 7/16/1999 10:49 @64,00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 6/8/2010 00:00 - 01:00 1.00 MOB P -_ PRE CHECK CABLE FOR CONTINUITY,GOOD. M/U CT RISER TO WELLHEAD. 01:00 - 03:00 2.00 RIGU P PRE CIRCULATE BACKWARDS TO FILL REEL. AFTER ITS FULL PUMP 4 BPM SEVERAL TIMES TO MOVE SLACK BACKWARDS. POP OFF WELL,R/U HYDRAULIC CT CUTTER. CUT 50 FT OF CT TO FIND CABLE. INSTALL CT CONNECTOR,PULL TEST TO 35K,GOOD. 03:00 - 05:00 2.00 STWHIP P WEXIT INSTALL BHI CABLE HEAD. ■ PRESSURE TEST INNER REEL VALVE AND CT CONNECTOR TO 3500 PSI,GOOD. 05:00 - 05:45 0.75 STWHIP P WEXIT M/U CT RISER TO WELL,PT STRIPPER ELEMENT TO 250/3500 PSI,GOOD. PUMP SLACK FORWARD,1 REEL VOLUME AT 2.5 BPM. 05:45 - 07:00 1.25 STWHIP P -_ WEXIT POP OFF WELL. INSTALL CHECK VALVES IN UQC. 07:00 - 07:15 0.25 STWHIP P WEXIT PJSM RE PU BHA. 07:15 - 07:40 0.42 STWHIP P WEXIT MU PILOT HOLE BHA WITH 0.7 AKO(BHA#1). 07:40 - 10:15 2.58 STWHIP P WEXIT RIH TO MILL PILOT HOLE 10:15 - 11:00 0.75 STWHIP P WEXIT LOG TIE IN FROM 10985' 11:00 - 11:05 0.08 STWHIP P -_ WEXIT CORRECT-15'. RIH TO BEGIN MILLING PILOT HOLE 11:05 - 16:50 5.75 STWHIP P WEXIT TAG&MILL PILOT HOLE FROM IN HARD CEMENT 11,085FT USING 2%KCL WITH 2PPB BIOZAN AT 2.67BPM,2500PS1 FS,100-150PSI MW,2-2.5K WOB,180 TF,9.58 ECD, 25-30FT/HR ROP.MILL TO STALL AT 11,194FT. 16:50 - 17:10 0.33 STWHIP P WEXIT WIPER TO 11,070FT&TO 11,194FT. 17:10 - 18:00 0.83 STWHIP P WEXIT MILL CEMENT PILOT HOLE FROM 11,194FT USING 2%KCL WITH 2PPB BIOZAN AT 2.67BPM,2330PSI FS,100-150PSI MW, 1.1-1.5K WOB,180 TF,9.58 ECD,15-20FT/HR ROP. 18:00 - 18:45 0.75 STWHIP P WEXIT CONTINUE MILLING CEMENT PILOT HOLE AT 160L TF. STEADY 20-30 FT/HR. PVT=307 BBLS. DHWOB=1.5 KLBS. MILL TO 11226 FT. 18:45 - 19:20 0.58 STWHIP P WEXIT WIPER TRIP TO 11,000 FT. PARK AT 11,000 FT AND FLOW CHECK WELL. OUT MM WAS SHOWING 0.05 BPM HIGHER THAN IN MM WHILE MILLING. FLOW CHECK NEGATIVE,RESUME MILLING. 19:20 - 22:15 2.92 STWHIP P WEXIT MILL FROM 11226 FT AT 20-30 FT/HR. HOLD 160L TF. ROP IS STEADY 20-30 FT/HR WITH 1-2 KLBS DWOB. 200-300 PSI MW. MILL TO 11300 FT. 22:15 - 23:00 0.75 STWHIP P - WEXIT WIPER TRIP FROM 11300 FTO TO 11000 FT. CLEAN PASS UP AND DOWN. 23:00 - 00:00 1.00 STWHIP P WEXIT MILL HARD CEMENT FROM 11300 FT,AT 160L TF. 200-300 PSI MW,2K DWOB. PVT=304 BBLS,ECD=9.62 PPG. Printed 10/14/2010 1:14:16PM North America -ALASKA- BP Page 2 of 20 Operation Summary Report Common Well Name:05-08 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:9/3/2010 End Date: X3-00VM3-C(1,432,563.00) Project:Prudhoe Bay Site: PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647W Active Datum: 19:08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 6/9/2010 00:00 - 00:30 0.50 STWHIP P WEXIT CONTINUE MILLING PILOT HOLE TO 11350 FT. 00:30 - 02:00 1.50 STWHIP P WEXIT BACKREAM FROM 11140 TO 11100 AT OL TF,2 TIMES. 02:00 - 04:30 2.50 STWHIP P WEXIT RUN BACK TO TD AND PUMP VISCOUS SWEEP AROUND,THEN POOH. PULL BACK TO 11000, RIH 80 FT AND OPEN EDC. PUMP 3.2 BPM ON THE WAY OOH. VISCOUS PILL BRINGS BACK LOTS OF MILLED UP CEMENT. PERFORM JOG AT SURFACE. 04:30 - 04:45 0.25 STWHIP P WEXIT PJSM FOR L/D BHA. 04:45 - 05:20 0.58 STWHIP P WEXIT TAG STRIPPER AND LID BHA. MILL IS 3.78" NO-GO. TROUBLESHOOT ELECTRICAL CONNECTION IN UQC,WERE GETTING INTERMITTANT SIGNALS WHILE DRILLING. PROBLEM IS FOUND IN FLOW SUB,CHANGE IT OUT. 05:20 - 06:20 1.00 STWHIP N RREP WEXIT REPLACE E-LINE BOOT.TEST WIRE-GOOD. 06:20 - 07:00 0.67 STWHIP P WEXIT MU DRIFT BHA.STAB ONTO WELL. 07:00 - 09:10 2.17 STWHIP P WEXIT SLOW PUMP RATE AT SURFACE=593PSI, 0.21 BPM.RIH WITH DRIFT BHA(BHA#2),CIRC MIN RATE 0.21 AT 593PSI. 09:10 - 09:35 0.42 STWHIP P WEXIT LOG DOWN FOR TIE-IN FROM 10,900FT. MINUS 17FT CORRECTION. 09:35 - 09:55 0.33 STWHIP P WEXIT CONTINUE TO RIH.WT CK AT 11,070FT=48K, RIW=22.5K. RATTY AT 11,200FT 3-5K WT BOBBLES,TAG AT 11,351 FT. 09:55 - 10:15 0.33 STWHIP P WEXIT PUH TO 11,065FT.PUW=48K.PUMP 2.71 BPM/2720PSI. 10K OP AT 11,200FT. 10:15 - 10:25 0.17 STWHIP P WEXIT RIH,PUMPING 2.78BPM/2878PS1.SLIGHT BOBBLE AT 11,200FT.TAG AT 1,1351 FT. 10:25 - 10:38 0.22 STWHIP P WEXIT PUH TO 11,065FT,PUMPING 2.63BPM/2681FT. 2K OP AT 11,200FT. 10:38 - 10:50 0.20 STWHIP P WEXIT RIH WITH NO PUMPS,22K RIW. 1.5K SET DOWN AT 11,200FT.TAG AT 11,351 FT 110:50 - 11:00 0.17 STWHIP P WEXIT PUH TO 11,065FT, PUMPING 2.78BPM/2878PSI.SLIGH OP AT 11,200FT. 11:00 - 11:05 0.08 STWHIP P WEXIT RIH WITH NO PUMPS.0.8K SET DOWN AT 11,200FT.TAG AT 11,351 FT. 11:05 - 11:30 0.42 STWHIP P WEXIT PUH TO 11,065FT,PUMPING 2.86BPM/2893PSI.CLEAN AT 11,200FT. 11:30 - 12:00 0.50 STWHIP P WEXIT RIH WITH NO PUMPS AT 10FT/MIN.0.7K WT BOBBLE AT 11,200FT.TAG AT 11,351 FT. 12:00 - 14:35 2.58 STWHIP P WEXIT POH PUMPING 2.53PM/2483PS1.CLEAN AT 11,200FT. 14:35 - 14:50 0.25 STWHIP P WEXIT PJSM REGARDING LD DRIFT BHA&MU WS SETTING BHA. 14:50 - 15:10 0.33 STWHIP P WEXIT POP OFF WELL.PLACE INJECTOR OVER BUNG HOLE.BLOW DOWN BHA.LD DRIFT BHA. 15:10 - 16:25 1.25 STWHIP P WEXIT HOIST BOT WS&WS SETTING BHA FROM GROUND TO PIPE SHED.MU WS&WS SETTING BHA.MU BHI INTEQ TOOLS TO WS SETTING BHA.STAB ONTO WELL WITH INJECTOR. Printed 10/14/2010 1:14 16P North America -ALASKA- BP Page 3 of 20 Operation Summary Report Common Well Name:05-08 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:9/3/2010 End Date: X3-00VM3-C(1,432,563.00) Project: Prudhoe Bay Site: PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.4111 Long: 0148°24'16.647'W Active Datum: 19:08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 16:25 - 18:50 2.42 STWHIP P ■- WEXIT RIH WITH WS SETTING BHA(BHA#3).,CIRC EDC EDC AT 0.66BPM/930PSI. WT CHECK AT 10800 FT IS 46K. 18:50 - 19:20 0.50 STWHIP P WEXIT LOG FROM 10900 FT TO TIE-IN,CORRECT-14 FT. CONSISTENT WITH OTHER CORRECTIONS. CLOSE EDC. 19:20 - 19:40 0.33 STWHIP P WEXIT RIH TO SETTING DEPTH. SLIGHT WT LOSS AT 11200 FT, <1K. RIH TO 11312.81 FT WHICH PUTS TOP WHIPSTOCK AT 11300.0 FT. TF IS 180L, PRESSURE UP TO 1200 PSI,PRESSURE BREAKS OVER BRIEFLY THEN PRESSURE CLIMBS AGAIN WITH WT LOSS TO 4200 PSI SHEAR PRESSURE. HAD 8K DWOB BRIEFLY,FALLS OFF AFTER SHEARING. PICKUP IS CLEAN,52K WITH NO PUMP. 19:40 - 21:00 1.33 STWHIP P -_ WEXIT POOH, PUMP 1.3 BPM/1890 PSI. PJSM FOR LID BHA WHILE POOH. _ 21:00 - 22:30 1.50 STWHIP P WEXIT TAG STRIPPER AND UD WHIPSTOCK RUNNING TOOLS. J-HYDRAULIC SETTING TOOL HAS FUNCTIONED NORMALLY. REMOVE HOT FROM COILTRAK AND REPLACE DGS AND P&C. 22:30 - 23:10 0.67 STWHIP P WEXIT M/U BHA#4-MILL,STRING REAMER,MOTOR, SPIRAL CENTRALIZER,2-JTS PH6 AND 3" COILTRAK. MILL IS 3.79 NO-GO,REAMER IS 3.78 NO-GO. BHA OAL=119.65 FT. 23:10 - 00:00 0.83 STWHIP P ._ WEXIT RIH BHA#4. PUMP 0.15 BPM/740 PSI THROUGH MILL. 6/10/2010 00:00 - 01:10 1.17 STWHIP P -_ WEXIT CONTINUE RIH. STACK WT AT 10896 XN, PICK UP AND SPIN THROUGH IT. 01:10 - 01:35 0.42 STWHIP P WEXIT LOG GR FROM 10940 FT. CORRECT-15 FT. 01:35 - 07:50 6.25 STWHIP P WEXIT CONTINUE RIH. TAG WHIPSTOCK AT 1J30L FT. PICK UP AND START TIME MILLING. 02:00-11300.00 FT -0.02K DWOB 2970 PSI 03:00-11301.00 FT 0.69K 2955 PSI 04:00-11302.00 FT 1.06K 2864 PSI 05:00-11302.80 FT 1.90K 2922 PSI 06:30-11304.20 FT 1.81K 2963 PSI(NEARLY STALLED AT 11304.3FT,WOB JUMPED TO 3K) 07:30-11305.00 FT 2.13K 3120 PSI 07:38-11305.20 FT CTP&WOB SLOWLY INCREASED,STALLED. PUH,52K PUW. Y Printed 10/14/2010 1:14:16PM North America -ALASKA- BP Page 4 of 20 Operation Summary Report Common Well Name:05-08 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:9/3/2010 End Date. IX3 00VM3-C(1,432,563.00) Project:Prudhoe Bay Site:PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647'W Active Datum: 19:08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 07:50 - 14:15 6.42 STWHIP P WEXIT ESTABLISH NEW PARAMETERS.SLOWLY WORK IN HOLE.TAKE WEIGHT&TIME MILL WINDOW FROM 11,304.7FT USING 2%KCL WITH 2PPB BIOZAN AT 2.58BPM,2900PSI FS, 100-250PSI MW,0.75K WOB, 9.93 PPG ECD. 07:50-11304.70 FT 0.75K 3032PSI 08:35-11305.20 FT 1.40K 3311 PSI 08:47-11305.40 FT 3.10K 3615 PSI ALMOST A STALL 09:50-11306.00 FT 0.60K 3127 PSI 10:17-11306.40 FT 0.61K 3138 PSI 11:02-11307.10 FT 0.72K 3105 PSI 12:09-11308.10 FT 1.07K 3094 PSI 13:06-11309.50 FT 0.85K 2926 PSI(SWAP WELL TO USED POWER VIS) 13:57-11310.30 FT 0.50K 3259 PSI(WELL IS SWAPPED TO USED POWER VIS) DUE TO PRESSURE LOSS,APPEARS THAT BOW IS 11308.5FT SO,TENTATIVE BOW IS 11309FT. 14:15 - 15:25 1.17 STWHIP P WEXIT MILL 10 FT OF RAT HOLE FROM 11310.30FT USING USED 8.64PPG POWER VIS AT 2.58BPM,3285PS1,100-150PSI MW,1-2K WOB, 10.46PPG ECD. 14:38-11313.20FT 3.36K 3318 PSI 15:22-11318.50FT 2.83K 3336 PSI MILL TO 11319FT(TO KEEP STABALIZER ABOVE TOWS) 15:25 - 17:00 1.58 STWHIP P WEXIT REAM&BACK REAM WINDOW USING USED 8.64PPG POWER VIS AT 2.54BPM/3000PSI AT 1.5-2FT/MIN. BACKREAM,SLIGHT MW AT 11300FT ON FIRST UP PASS.STOP AT 11290FT. REAM,SLIGHT MW AT 11310FT ON FIRST DOWN PASS.STOP AT 11318.5FT BACKREAM, CLEAN.STOP AT 11290FT. DRY DRIFT WINDOW.SLIGHT BOBBLE AT 11308FT,TAG AT 11319FT.PUH&REPEAT- CLEAN. BACKREAM,CLEAN.STOP AT 11319FT. REAM,CLEAN.STOP AT 11290FT. BACKREAM,CLEAN. DRY DRIFT WINDOW.SET DOWN AT 11308FT. SET DOWN AT 11303FT. NO FORMATION IN SAMPLE,ALL CEMENT. HOWEVER,THERE SEEMS TO BE NO OLD (CASING CEMENT)CEMENT WHICH IS TYPICALLY SEEN. ALSO,LOTS OF METAL ACROSS THE SHAKER.HOWEVER,CHROME TUBING WELLS PRODUCE LOTS OF METAL SHAVINGS. 17:00 - 18:20 1.33 STWHIP P WEXIT REAM WINDOW.SLIGHT BOBBLE AT 11305FT. OTHERWISE CLEAN. BACKREAM,MW AT 11285FT.PUH TO 11275FT. REAM.MW AT 11307FT.TAG UP&STOP AT 11310FT. PUH TO 11295FT-CLEAN. REAM.MW AT 11310F,CONTINUE TO MILL. Printed 10/14/2010 1:14:16PM North America -ALASKA- BP Page 5 of 20 • Operation Summary Report Common Well Name:05-08 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:9/3/2010 End Date X3-00VM3-C(1,432,563.00) Project:Prudhoe Bay Site: PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647"W Active Datum: 19:08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 18:20 - 19:40 1.33 STWHIP P WEXIT CONTINUE REAMING WINDOW.,AT 11312 GET 3K DWOB AND 300-400 PSI MW. REAM DOWN SLOWLY. GETTING GOOD MOTOR WORK PERIODICALLY WHEN BRAKE IS RELEASED. MILL TO 11317 FT. 19:40 - 20:10 0.50 STWHIP P WEXIT PICK UP TO 11270 FT. PARK AND FLOW CHECK WELL. IN/OUT MM NOT MATCHING. PICKUP IS CLEAN,40K. FLOW CHECK IS NEGATIVE, IN/OUT DIFFERENCE IS FALSE MM READING. 20:10 - 20:40 0.50 STWHIP P WEXIT PULL BACK TO 10940 FT AND TIE-IN DEPTH. WHILE TIEING IN FIND X NIPPLE AT 10956 FT, SOME MW AND DWOB. REDUCE PUMP AND GO THROUGH IT. CORRECT+2 FT. 20:40 - 21:00 0.33 STWHIP P WEXIT RIH FOR DRY DRIFT OF WINDOW. DRY DRIFT IS CLEAN,ONLY SLIGHT WT BOBBLES MIDWAY DOWN RATHOLE. TAG AT END OF RATHOLE 11321 FT. 21:00 - 23:40 2.67 STWHIP P WEXIT POOH. PUMP THROUGH MILL WHILE IN PILOT HOLE,OPEN EDC AT 11,000 FT. GETTING PERIODIC MW IN PILOT HOLE, LIKELY DEBRIS FROM WINDOW MILLING. ALSO LOTS OF VARIED METAL SHAVINGS OVER SHAKER. FINAL SAMPLE HAS NO FORMATION IN IT, SAME AS THE OTHER SAMPLES. PUMP 2.8 BPM THROUGH OPEN EDC TO SURFACE, PERFORM 500 FT JOG. 23:40 - 00:00 0.33 STWHIP P WEXIT PARK AT 500 FT AFTER SURFACE JOG AND CLOSE EDC. PJSM FOR UD BHA. WATCH WELL AGAIN FOR 20 MIN,DUE TO EARLIER MM DISCREPANCY. 6/11/2010 00:00 - 00:15 0.25 STWHIP P WEXIT POOH. 00:15 - 01:00 0.75 STWHIP P WEXIT TAG STRIPPER AND UD WINDOW MILLING BHA. MILL IS 3.78"NO-GO. OFFLOAD BOT EQUIPMENT. ADD NEW DGS AND HOT TO BHI TOOLSTRING. 01:00 - 01:30 0.50 BOPSUR P WEXIT CHECK TREE BOLTS,ALL WERE TIGHT. 01:30 - 02:30 1.00 DRILL P PROD1 P/U BHA#5-HYC BI-CENTER 3 9 nFr, MOTOR,3"COILTRAK. SOME DIFFICULTY GETTING IT THROUGH THE STACK. BHA OAL=66.11 FT. 02:30 - 05:00 2.50 DRILL P PROD1 OPEN EDC AND START CIRCULATING. OUT MM HAS FAILED COMPLETELY. CALL OUT NORDIC ELECTRICIAN. RIH. PUMP 0.6 BPM/1140 PSI THROUGH OPEN EDC. 05:00 - 05:40 0.67 DRILL P ■ PROD1 LOG FROM 10880 FT TO TIE IN DEPTH. CORRECT-15 FT,CONSISTENT WITH EARLIER CORRECTIONS. 05:40 - 06:10 0.50 DRILL P PROD1 STOP AT 11,050 FT AND CLOSE EDC, ROLL TF TO 180L. CONTINUE RIH THROUGH CEMENT PILOT HOLE WITH NO PUMP. Printed 10/14/2010 1:14:16PM North America -ALASKA- BP Page 6 of 20 Operation Summary Report Common Well Name:05-08 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:9/3/2010 End Date: X3-00VM3-C(1,432,563.00) Project: Prudhoe Bay Site: PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'l 6.647W Active Datum: 19:08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr (ft) 06:10 - 09:10 3.00 DRILL P PROD1 TAG TD AT 11,318 FT. PICK UP TO GET WT BACK AND BRING PUMP UP. FS=3000 PSI. EASE DOWN TO FIND BOTTOM. DRILL BUILD IN ZONE 3/2 FROM 11,318FT USING USED 8.64PPG POWER VIS AT 2.51 BPM,2889PS1,100-150PSI MW, 10-30FT/HR ROP,0.8-1.75K WOB,10.25PPG ECD,180 TF, PVT=348.NUMEROUS STALLS. DRILL TO 11,338FT PVT=341. 09:10 - 09:25 0.25 DRILL P PROD1 SLOWLY PUH&REBOOT BHI COMPUTERS. 09:25 - 10:15 0.83 DRILL P PROD1 DRILL BUILD IN ZONE 3/2 FROM 11,338FT USING USED 8.64PPG POWER VIS AT 2.51 BPM,2930PS1,100-150PSI MW, 10-30FT/HR ROP,0.8-1.75K WOB,10.25PPG ECD,180 TF,PVT=348. DRILL TO 11,339.5FT PVT=327.SAMPLES ARE ALL CEMENT.NBI IS INCONCLUSIVE AS TO NEW HOLE VERSUS STILL IN 9-5/8" CASING. 10:15 - 10:45 0.50 DRILL P -_ PROD1 OPEN EDC&PUMP BOTTOM'S&PUH TO 10200FT. 10:45 - 10:55 0.17 DRILL P - PROD1 FINISH CIRCULATING BOTTOM"S UP.CLOSE EDC. BOTTOM'S UP WAS 100%CEMENT. 10:55 - 11:05 0.17 DRILL P PROD1 RIH NOT PUMPING-CLEAN. 11:05 - 13:40 2.58 DRILL P PROD1 DRILL FROM 11,339.5FT USING USED 8.64PPG POWER VIS AT 2.52BPM,3000PSI,100-150PSI MW,VERY RATTY,ROP=1 FT/HR. 0.8-1.75K WOB,10.24PPG ECD,180 TF,PVT=342. HARD SPOT AT 11,340.5.ATTEMPT TO TIME DRILL PAST SPOT. DRILL TO 11341.2FT 13:40 - 15:40 2.00 STWHIP N DFAL WEXIT POH.OPEN EDC,JET 2.9BPM/2650PSI.OUT MM KEEPS PLUGGING UP WITH QUARTER SIZED PIECES OF CEMENT. 15:40 - 16:10 0.50 STWHIP N DFAL WEXIT PJSM REGARDING HANDLING BHA. 16:10 - 17:15 1.08 STWHIP N DFAL WEXIT POP OFF WELL.LD BHI COIL TRACK TOOLS. BIT WAS 2-3,PLUGGED NOZZLE WITH RUBBER, BROKEN TEETH,DAMAGE TO ALL OF THE SIDES OF THE WING&WATER COURSES INDICATING HITTING THE 9-5/8" CASING. 17:15 - 17:25 0.17 STWHIP P ._ WEXIT PJSM REGARDING CUTTING COIL FOR CHROME MANAGEMENT. 17:25 - 18:00 0.58 STWHIP P ■- WEXIT CUT 1 CONE. INSTALL LL C CT CONNECTOR,PULL TEST TO 36K,GOOD. 18:00 - 19:30 1.50 STWHIP P -_ WEXIT INSTALL BHI CABLE HEAD AND PT TO 3500 PSI,GOOD. 19:30 - 20:20 0.83 STWHIP N DFAL WEXIT PDS(PROACTIVE DIAGNOSTIC SERVICES) TECH ON LOCATION,STARTS PROGRAMMING HIS TOOLS. Printed 10/14/2010 1:14:16PM North America -ALASKA- BP Page 7 of 20 Operation Summary Report Common Well Name:05-08 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:9/3/2010 End Date: X3-00VM3-C(1,432,563.00) Project:Prudhoe Bay Site:PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647"W Active Datum: 19:08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 20:20 - 21:30 1.17 STWHIP N DFAL WEXIT PDS DEPTH CABLE CONNECTION(10 PIN) DOESN'T MATCH EITHER CONNECTION ON THE 2 DEPTH ENCODERS ON THE COUNTER WHEEL. CTU SERVICE UNITS HAVE SOLVED THIS BY WIRING IN A PERMANENT 10-PIN CONNECTION TO THE CCAT SYSTEM,THIS IS NOT YET IN PLACE ON NORDIC 1. TRY SEVERAL WORKAROUNDS,FINALLY USE A SPARE BHI ENCODER AND REMOVE THE MOUNTING SYSTEM,ATTACH PDS ENCODER. WILL RUN THE BHI ENCODER WHILE RIH UNTIL AFTER TIE IN,THEN REMOVE IT AND PUT THE PDS ENCODER IN PLACE FOR THE CALIPER LOG. 21:30 - 21:50 0.33 STWHIP N DFAL _ WEXIT M/U NOZZLE AND RIH TO 30 FT,TEST PDS DEPTH MEASUREMENT VS.SLB. 21:50 - 23:00 1.17 STWHIP N DFAL WEXIT PJSM THEN M/U BHA#6-MEM CALIPER TOOL+3" •IL '. u PROGRAMMED TO OPEN 300 MIN AFTER M/U TOOL,WHICH WAS AT 22:10. 23:00 - 00:00 1.00 STWHIP N DFAL WEXIT RIH BHA#6. PROCEED SLOWLY THROUGH ALL RESTRICTIONS. 6/12/2010 00:00 - 01:30 1.50 STWHIP N DFAL - WEXIT CONTINUE RIH WITH BHA#6. 01:30 - 01:50 0.33 STWHIP N DFAL WEXIT TIE IN DEPTH FROM 10910 FT. CORRECT DEPTH-15 FT,CONSISTENT WITH EARLIER CORRECTIONS. 01:50 - 02:25 0.58 STWHIP N DFAL WEXIT REMOVE BHI ENCODER AND INSTALL PDS ENCODER.(ONLY ROOM FOR 2 ON THE COUNTER WHEEL,SLB HAS THE OTHER SLO 02:25 - 02:40 0.25 STWHIP N DFAL WEXIT CONTINUE RIH. 02:40 - 03:35 0.92 STWHIP N DFAL _ WEXIT PARK AT 11295 FT AND WAIT FOR CALIPER ARMS TO OPEN+ 10 MIN. 03:35 - 04:00 0.42 STWHIP N DFAL _ WEXIT LOG UP AT 50 FT/MIN. PUMP 0.8 BPM. POOH. 04:00 - 06:10 2.17 STWHIP N DFAL WEXIT POOH. 06:10 - 06:30 0.33 STWHIP N DFAL _ WEXIT PJSM REGARDING LD BHI COIL TRAC TOLLS &PDS CALIPER TOOLS. 06:30 - 07:00 0.50 STWHIP N DFAL WEXIT POP OFF WELL.PLACE INJECTOR OVER BUNG HOLE. BLOW DOWN BHI COIL TRAC TOOLS. LD COIL TRAC TOOLS.LD PDS CALIPER TOOLS. 07:00 - 08:00 1.00 STWHIP N DFAL _ WEXIT DOWNLOAD CALIPER DATA.REVIEW DATA. DISCUSS WITH TOW N. 08:00 - 08:20 0.33 STWHIP N DFAL _ WEXIT WAIT ON BOT FOR NEW WS.WAIT ON SLB FOR 2 PIP TAGS. 08:20 - 08:45 0.42 STWHIP N DFAL _ WEXIT HOIST BOT WS&SETING TOOLS TO RF.MU SETTING TOOL TO WS. _ 08:45 - 09:25 0.67 STWHIP N DFAL WEXIT WAIT FOR SLB PIP TAGS. 09:25 - 09:35 0.17 STWHIP N DFAL - WEXIT INSTALL 2 RA PIP TAGS IN WS. 09:35 - 09:45 0.17 STWHIP N DFAL WEXIT PJSM REGARDING MU WS. 09:45 - 10:30 0.75 STWHIP N DFAL WEXIT MU WS&COIL TRAC TOOLS.MU INJECTOR TO BHA.STAB ONTO WELL.POWER UP& TEST TOOLS.OPEN EDC. 10:30 - 12:30 2.00 STWHIP N DFAL WEXIT RIH WITH WS SETTING BHA(BHA#7).CIRC MIN RATE THROUGH EDC.WT CK 42K AT 10900FT. Printed 10/14/2010 1:14:16PM North America -ALASKA- BP Page 8 of 20 • Operation Summary Report Common Well Name:05-08 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:9/3/2010 End Date: X3-00VM3-C(1,432,563.00) Project:Prudhoe Bay Site:PB DS 05 Rig Name/No.:NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647"W Active Datum: 19:08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft 12:30 - 12:55 0.42 STWHIP N DFAL WEXIT LOG UP FOR TIE-IN FROM 10945FT,MINUS 12FT CORRECTION.CLOSE EDC.ORIENTATE WS TO LS. Z 12:55 - 13:18 0.38 STWHIP N DFAL WEXIT RIH TO 11272F.PUH TO WS SET DEPTH. 54 13:18 - 13:35 0.28 STWHIP N DFAL WEXIT USING USED 8.64PPG POWER VIS, V.14P PRESSURE UP TO 4000PIS&SET 3-5/8" WHIPSTOCK AT 180 TF WITH 2 RA PIP TAGS W I FF1 TOP AT 1r1-`5OFT.STACK 5K ON WS- GOOD. 13:35 - 15:40 2.08 STWHIP N DFAL - WEXIT POH. 15:40 - 15:55 0.25 STWHIP N DFAL WEXIT POP OFF WELL,PLACE INJECTOR OVER BUNG HOLE. BLOW DOWN BHA. 15:55 - 16:35 0.67 STWHIP N DFAL WEXIT MU WINDOW MILLING BHA,0,8AKO MOTOR, 3.79"NO-GO MILLS&COIL TRAC TOOLS. _ 16:35 - 16:45 0.17 STWHIP N DFAL _ WEXIT RIH WITH WINDOW MILLING BHA(BHA#8). CIRC 0.25BPM/900PSI WHILE RIH. 16:45 - 17:20 0.58 STWHIP N DFAL WEXIT STOP AT 1108FT, DIAGNOIS BHI TOOLS. 17:20 - 19:10 1.83 STWHIP N DFAL WEXIT CONTINUE RIH. 19:10 - 19:45 0.58 STWHIP N DFAL WEXIT TIE IN DEPTH FROM 10905 FT. CORRECT-14 FT. CONTINUE RIH,SEE XN AT 11034 FT. DRY TAG WHIPSTOCK AT 11251 FT. 19:45 - 00:00 4.25 STWHIP N DFAL WEXIT BRING PUMP TO 2.50 BPM/3000 PSI FREE SPIN. TF IS 180L. EASE DOWN TO PINCH POINT,START TIME MILLING. 20:00-11251.00 FT -0.28K DWOB 2980 PSI WT AND PRESSURE IS DRILLING OFF MORE QUICKLY THAN IS USUALLY SEEN WHEN STARTING A WINDOW. 21:00-11253.20 FT 1.52K 3080 PSI. 180L TF. 22:00-11254.20 FT 2.21K 3109 PSI. FIRST BOTTOMS UP SHOWS LOTS OF METAL FILINGS,MORE SO THAN NORMAL DUE TO FASTER ROP AT THE START. 23:00-11254.90 FT 1.70K 3021 PSI. 6/13/2010 00:00 - 07:23 7.38 STWHIP N DFAL WEXIT CONTINUE MILLING WINDOW WITH USED POWER-VIS SYSTEM. 01:30-10256.40 FT 1.51K 3080 PSI 03:00-10257.20 FT 1.63K 3138 PSI 04:00-11258.30 FT 1.65K 3131 PSI SAMPLE FROM 11258 FT IS 99%METAL,1%CEMENT. 05:00-11259.30 FT 1.35K 3105 PSI 06:30-11260.90 FT 1.09K 3069 PSI 07:23-11262.30 FT 0.90K 3070 PSI SAMPLE FROM 11262 FT 100%METAL,TR FORMATION. 07:23 - 08:15 0.87 STWHIP N DFAL WEXIT MILL 10FT OF OPEN HOLE USING USED 8.60PPG POWER VIS AT 2.57BPM,3000PSI, 100-200PSI MW,ROP=10FT/HR. 2-2.5K WOB, 10.29PPG ECD,180 TF,PVT=333. MILL TO 11270FT. LET WOB MILL OFF. 08:15 08:35 0.33 STWHIP N DFAL WEXIT BACKREAM WINDOW AT 1FT/MIN.MW AT 11261F.PULLED HEAVY&STALL-11247FT. ATTEMPT TO RIH WITH NO PUMPS,SET-2K DOWN.STOP. PUH,10K OP. Printed 10/14/2010 1:14:16PM North America -ALASKA- BP Page 9 of 20 Operation Summary Report Common Well Name:05-08 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date:9/3/2010 End Date: X3-00VM3-C(1,432,563.00) Project:Prudhoe Bay Site: PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647'W Active Datum: 19:08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 08:35 - 08:45 0.17 STWHIP N DFAL WEXIT PUH OUT OF CEMENT PILOT HOLE,WITH NO PUMPS TO 11100FT. 1-2K FREQUENT OP'S. PULLED HEAVY OUT OF PILOT HOLE.PUH TO 11045FT.OPEN EDC. 08:45 - 08:55 0.17 STWHIP N DFAL WEXIT CIRCULATE UP BOTTOM'S UP AT 2.55BPM/2465PSI&PUH TO 10900FT FOR TIE-IN. 08:55 - 09:10 0.25 STWHIP N DFAL WEXIT LOG DOWN FOR TIE-IN FROM 10900FT PLUS 1 FT CORRECTION.CLOSE EDC. 09:10 - 09:22 0.20 STWHIP N DFAL WEXIT CLOSE EDC.ESTABLISH FREE SPIN WHILE RIH,2800PSI AT 2.57BPM.BOTTOM'S UP WAS 99%FRESH CEMENT,1%METAL. PUMP AT 0.2BPM/1540PSI WHILE RIH IN PILOT HOLE- CLEAN. 09:22 - 09:45 0.38 STWHIP N DFAL WEXIT FROM 11249FT&RIH AT 2FT/MIN, INCREASE PUMP RATE TO 2.5BPM/2700PSI. REAM TO BOTTOM AT 1FT/MIN-NO MW.AT POTENTIAL BOW,INCREASE TO 2.5FT/MIN. TAG AT 11268FT&MW FROM 11272FT 09:45 - 11:45 2.00 STWHIP N DFAL WEXIT CONTINUE TO MILL RAT HOLE&LOOK AT NBI FOR DEPARTURE FROM 9-5/8"CASING FROM 11272FT. USING USED 8.60PPG POWER VIS AT 2.57BPM,2800PS1,300-500PSI MW,ROP= 5-8FT/HR. 2-3.5K WOB,10.27PPG ECD,180 TF,PVT=332.PUMP 27BBLS HI-VIS POWER VIS SWEEP. MILL TO 11,292FT&LET WOB MILL OFF. BOTTOM'S UP FROM 11,280FT WAS 100% CEMENT.NBI IS 13FT PAST BOW&APPEARS THAT WE ARE IN THE 9-5/8"CASING. 11:45 - 12:30 0.75 STWHIP N DFAL WEXIT REAM&BACK REAM-CLEAN. DRY DRIFT- CLEAN. 12:30 - 14:35 2.08 STWHIP N DFAL WEXIT OPEN EDC&POH,PUMP 3.08BPM/2850PSI. 14:35 - 14:50 0.25 STWHIP N DFAL WEXIT PJSM REGARDING LD MILLING BHA. 14:50 - 15:30 0.67 STWHIP N DFAL WEXIT POP OFF WELL.PLACE INJECTOR OVER BUNG HOLE.BLOW DOWN&LD COIL TRACK TOOLS.FACE OF LEAD MILL INDICATES CASING CONTACT WEAR&WAS 3.78"NO-GO &STRING REAMER WAS 3.79"NO-GO. UPON CLOSER INSPECTION OF DRILLING LOGS, WE MILLED 4FT PAST RA TAG,HOWEVER IT WAS NOT SEEN ON THE MWD LOGS. SUBSEQUENT-REVIEW OF PREVIOUS LOGS FROM FIRST ATTEMPT WAS THE SAME RESULTS. 15:30 - 16:30 1.00 STWHIP N DFAL WEXIT PRESSURE TEST TUBING TO 3000PSI- FAILED.REPEAT,SAME RESULTS.BOTH TEST WERE 100PSI PER MINUTE LEAK OFF RATE. 16:30 - 17:05 0.58 RIGD N DFAL POST MU NOZZLE BHA.STAB ONTO WELL. 17:05 - 19:30 2.42 RIGD N DFAL POST RIH WITH NOZZLE BHA,CIRCULATE 0.7BPM/1100PSI.BEGIN REMOVING FLUID FROM PITS. 19:30 - 21:30 2.00 DEMOB N DFAL POST POOH CIRC WELL TO 2%KCL WATER FROM 11290 FT. 21:30 - 21:45 0.25 DEMOB N DFAL POST PARK AT 2200 FT AND HOLD PJSM WITH LRS AND RIG CREW FOR FP WITH DIESEL. Printed 10/14/2010 1:14:16PM North America -ALASKA- BP Page 10 of 20 Operation Summary Report Common Well Name:05-08 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date:9/3/2010 End Date: X3-00VM3-C(1,432,563.00) Project:Prudhoe Bay Site: PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:OOAM Rig Release: Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647W Active Datum: 19:08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 21:45 - 22:25 0.67 DEMOB N DFAL POST LRS PT TO 3000 PSI,THEN PUMP 40 BBLS DIESEL INTO THE CT. 22:25 - 23:00 0.58 WHSUR N DFAL POST POOH LAY IN DIESEL 1:1. SHUT OFF 23:00 - 00:00 1.00 WHSUR N DFAL POST TAG STRIPPER. GREASE CREW SERVICE SWAB AND MASTER VALVE PRIOR TO SETTING BPV. PJSM THEN SET BPV WITH T BAR. LIFT UP INJECTOR AND REMOVE BHI CABLE HEAD. 6/14/2010 00:00 - 00:10 0.17 RIGD N DFAL POST INSTALL CABLE BOOT. 00:10 - 00:30 0.33 RIGD N DFAL POST M/U SWIZZLE STICK AND GET ON WELL,JET STACK UP AND DOWN. PJSM WITH N2 AND RIG CREW WHILE JETTING STACK. 00:30 - 01:30 1.00 RIGD N DFAL POST PURGE REEL WITH N2 1500 SCFM. ALLOW REEL TO BLEED OFF. 01:30 - 04:00 2.50 RIGD N DFAL POST POP OFF WELL,SET INJECTOR ON LEGS. VAC FLUID OUT OF STACK. REMOVE CATCH PAN FROM AROUND WELLHEAD. TAKE OFF LOWER SET OF BOP DOORS AND INSPECT. INSTALL SPACER SPOOL AND WELLHEAD XO FOR THE NEXT WELL. - 04:00 - 07:00 3.00 RIGD N DFAL POST FINISH N/D STACK AND INST• L TREE CAP. FILL TREE WITH MEOH. PT TREE CAP TO 3500 PSI,GOOD. a(Je' PJSM THEN JACK UP RIG AND MOVE OFF WELL. *** RIG RELEASED AT 07:00 *** tio MOVE RIG OFF DS-05 AND OVER TO E PAD Q VIA DS-05 ACCESS RD,WEST DOCK ROAD, t� OXBOW ROAD,SPINE ROAD,K PAD RD (,//-- UNDER TWIN TOWERS,TO E PAD. D ESTIMATED MOVE TIME 12-14 HRS. ALL FURTHER INFORMATION ON WELL E-02B OPENWELLS REPORT. 6/15/2010 00:00 - RIGD DFAL POST 9/3/2010 06:10 - 06:30 0.33 STWHIP P PRE PJSM TO PUMP SLACK&CUT COIL ��j �/ 06:30 - 08:45 2.25 STWHIP P PRE PUMP SLACK&CUT COIL 08:45 - 09:30 0.75 STWHIP P PRE SHUT DOWN RIG OPERATIONS TO WAIT ON 7ES TO EXIT PAD AS A SAFETY PRECAUTION 6A-4-K-- AS THE ONLY ENTRANCE TO THE PAD WILL I 1)"-1)"-BE BLOCKED OFF UNTIL THEY ARE GONE& / EMS WILL NOT BE ABLE TO GET ONSITE IF W Ot(V THERE IS AN EMERGENCY. RIG EVACUATION DRILL HELD PJSM TO PU BTT TOOLS TO RIG FLOOR 09:30 - 09:45 0.25 STWHIP P PRE PU BTT TOOLS TO RIG FLOOR 09:45 - 10:00 0.25 STWHIP P PRE PJSM&HOT WORK PERMIT TO HEAD COIL 10:00 - 12:00 2.00 STWHIP P PRE HEAD,PRESSURE&PULL TESTCOIL MU BHI UQC 12:00 - 12:30 0.50 STWHIP P PRE CIRCULATE A COIL VOLUME FORWARD 12:30 - 12:45 0.25 STWHIP P PRE PJSM TO MU WS SETTING BHA 12:45 - 13:45 1.00 STWHIP P PRE MU WS SETTING BHA Printed 10/14/2010 1 14:16PM North America -ALASKA- BP Page 11 of 20 Operation Summary Report Common Well Name:05-08 AFE No Event Type: RE-ENTER-ONSHORE (RON) Start Date: 9/3/2010 End Date: X3-00VM3-C(1,432,563.00) Project:Prudhoe Bay Site: PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'l6.647"W Active Datum: 19:08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft 13:45 - 14:00 0.25 STWHIP P -_ PRE AAR TO DISCUSS MU OF WS SETTING BHA PJSM WITH NORDIC&SLB FOR TRIP IN HOLE 14:00 - 16:30 2.50 STWHIP P ._ PRE OPEN EDC&RIH WITH WS SETTING BHA TO 10,890' 16:30 17:15 0.75 STWHIP P ■- PRE RESET RECTH DEPTH 10,984'TO 10,988' O 17:15 - 17:30 0.25 STWHIP P - PRE RIH TO TO 11,181'BIT DEPTH,PUTTING TOWS• 11,168' 17:30 - 17:40 0.17 STWHIP P PRE ORIENT WS TO 183 DEG ROHS CLOSE EDC SET WS AS PER BTT PROCEDURE WS SHEAR • 3,250 PSI 17:40 - 19:50 2.17 STWHIP P PRE OPEN EDC POH DISPLACING WELL TO USED GEO-VIS SYSTEM 5400'CHOKE PLUGGED OFF WITH STEEL HAIR BALLS 19:50 - 20:10 0.33 STWHIP P PRE PJSM TO LD WS BHA AND PU WINDOW BHA 20:10 - 20:30 0.33 STWHIP N MISC PRE PU INJECTOR LUBRICATOR IS IN A BIND,STOP TO REACCESS THE SITUATION AND PUT TOGETHER A PLAN FORWARD RU EASY TORQ TO INJECTOR AND WINCH TO SNATCH BLOCK ON V-DOOR TO LEVEL INJECTOR 20:30 - 21:00 0.50 STWHIP P ■ PRE INJECTOR IS LEVEL AND WE ARE ABLE TO REMOVE THE LUBRICATOR CAP AND PU LD WS BHA 21:00 - 22:00 1.00 STWHIP P PRE PU WINDOW BHA STRING&WINDOW MILLS GAUGED 3.80"GO 3.79"NO-GO WT CK 22K • 5000' 22:00 - 00:00 2.00 STWHIP P PRE 10945'TIE IN 9/4/2010 00:00 - 00:15 0.25 STWHIP P WEXIT CONTINUE LOGGING TIE IN 00:00 - STWHIP P WEXIT 11116'OPEN EDC AND POOH FOR BUILD BHA 00:15 - 00:30 0.25 STWHIP P ■- WEXIT CORRECT DEPTH T CK 46K @ 1099 W 1 500' RIH TO TAG WS 00:30 - 00:50 0.33 STWHIP P WEXIT TAG WS • 11168'W/2.58K DOWN WT,SET DOWN TO 3.17K AND NO MOVEMENT. PU AND START PUMP AND RIH TO START MILLING WINDOW 00:50 - 01:00 0.17 STWHIP P WEXIT ESTABLISH FREE SPIN AND CREEP IN HOLE. FIRST MOTOR WORK @ 11167.8'PAINT FLAG 2.6/2.6 2500 PSI FS WI-VIA/OA=51/446/20 PVT 293 DHWOB=0.23K 9.78 PPG Printed 10/14/2010 1:14:16PM North America -ALASKA- BP Page 12 of 20 4 Operation Summary Report Common Well Name:05-08 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:9/3/2010 End Date: X3-00VM3-C(1,432,563.00) Project:Prudhoe Bay Site: PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647'W Active Datum: 19:08 7/16/1999 10:49©64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations ` � (hr) (ft) 01:00 - 18:45 17.75 STWHIP P WEXIT MILLING WINDOW 2.6/2.6 2500 PSI FS, WH/IA/OA=51/548/20 PVT 293 DHWO6=0.20K OS-C) 01:09 11168.0' 2640 PSI DHWOB=0.22K (SAMPLE=50/50 CMT&METAL) 01:41 11168.5' 2699 PSI DHWOB=1.02K 02:15 11169.0' 2594 PSI DHWOB=2.10K (SAMPLE=MOSTLY METAL,TRACE CMT) (SLOWED ROP TO ALLOW WT TO DRILL OFF IN THIS INTERVAL) 03:08 11169.5' 2681 PSI DHWOB=2.02K 03:39 11169.6' 2805 PSI DHWOB=4.20K (PRESSURE SPIKED AND WOB INCREASED) 04:10 11170.0' 2678 PSI DHWOB=2.46K 05:28 11170.5' 2670 PSI DHWOB=2.72K 07:15 11171.1' 2618 PSI DHWOB=2.43K 08:10 11171.6' 2637 PSI DHWOB=2.49K 08:40 11172.0' 2622 PSI DHWOB=2.59K 09:20 11172.5' 2618 PSI DHWOB=2.14K 09:45 11173.0' 2571 PSI DHWOB=1.80K 10:05 11173.5' 2560 PSI DHWOB=1.84K 10:38 11174.0' 2540 PSI DHWOB=1.22K 11:05 11174.5' 2525 PSI DHWOB=1.17K 11:28 11175.0' 2542 PSI DHWOB=1.42K 11:55 11175.5' 2522 PSI DHWOB=1.36K (SAMPLE=MOSTLY METAL&TRACE OF CEMENT) 12:22 11176.0' 2527 PSI DHWOB=1.66K 13:07 11176.5' 2512 PSI DHWOB=1.35K 13:49 11177.0' 2520 PSI DHWOB=0.94K (SAMPLE=MOSTLY METAL&TRACE OF CEMENT) SPOKE WITH TOWN DECISION WAS MADE TO DRILL ANOTHER 3-5'&CONTINUE TO LOOK FOR FORMATION 14:34 11178.1' 2582 PSI DHWOB=1.82K 15:35 11179.4' 2651 PSI DHWOB=2.69K 16:26 11180.0' 2593 PSI DHWOB=1.27K 16:48 11181.0'PU TO INSURE BHA IS NOT STUCK PU WT 41K WITH NO OVERPULL TO 11130' RIH&TAG @ 11180.7' AS PER TOWN REQUEST OPTIMIZE WT ON BIT TO DRILL AHEAD 18:00 11183' 2630 PSI DHWOB=3.97K 18:43 11185.0' 2600 PSI DHWOB=3.35K 18:45 - 19:00 0.25 STWHIP P WEXIT PUH TO 11165'TO MAKE SURE THE HOLE IS CLEAN 19:00 - 20:30 1.50 STWHIP P WEXIT CONTINUE MILLING CHECKING SAMPLES FOR FORMATION 2.5/2.5 2400 PSI FS WH/IA/OA=44/222/22 PVT 288 DHWOB=4.17K 19:00 11185.0' 2400 PSI DHWOB=3.40K 19:45 11187.0' 2604 PSI DHWOB=3.42K 19:45 11185'SAMPLE HAS-15%FORMATION &CHERT ALONG WITH CMT&METAL Printed 10/14/2010 1.14.16PM North America -ALASKA- BP Page 13 of 20 Operation Summary Report Common Well Name:05-08 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:9/3/2010 End Date. X3-00VM3-C(1,432,563.00) Project:Prudhoe Bay Site:PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647"W Active Datum: 19:08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 20:30 - 21:00 0.50 STWHIP P WEXIT 11188'BTT HAND THINKS THE WS IS STILL IN PLACE, IF SO WE HAVE MILLED 10'BEYOND THE BOTTOM OF THE WS WITH NOT VERY MUCH FORMATION IN THE SAMPLES.WE ARE GOING TO MILL TO 11190'AND PUMP A HI-VIS PILL TO SWEEP THE HOLE AND MILL A COUPLE MORE FEET TO SEE WHAT THE SAMPLES YEILD 21:00 - 21:15 0.25 STWHIP P WEXIT SWAP TO HI-VIS PILL TO SWEEP THE HOLE 21:15 - 22:15 1.00 STWHIP P WEXIT SWAP BACK TO GEOVIS 22:15 - 22:30 0.25 STWHIP P WEXIT HI-VIS PILL AT SURFACE AND HAD LOTS OF FINE METAL SOME FORMATION AND CMT 22:30 - 23:00 0.50 STWHIP P WEXIT 11193.8'START BACKREAM PASS TO DRESS WINDOW WHILE WAITING FOR SAMPLES 23:00 - 23:20 0.33 STWHIP P WEXIT 11191'SAMPLE IS 100%FORMATION LOOKS LIKE THE BASE OF ZONE 4, RIH TO DRESSING WINDOW 11193'SAMPLE 100%FORMATION 23:20 - 23:40 0.33 STWHIP P WEXIT 11194'PUH FOR LAST PASS UP ***kICK WHILE TRIPPING DRILL*** 23:40 - 00:00 0.33 STWHIP P WEXIT RIH DRY,CLEAN DRIFT TO 11193.6' PU DRY,CLEAN PU TO 11158'OPEN EDC AND POOH 9/5/2010 00:00 - 02:00 2.00 STWHIP P WEXIT CONTINUE POOH FOR BUILD BHA 02:00 - 02:20 0.33 STWHIP P WEXIT OOH,RIH 50'AND SHUT DOWN PUMP& MONITOR WELL FOR FLOW PJSM TO LD WINDOW BHA AND MU BUILD BHA 02:20 - 03:00 0.67 STWHIP P WEXIT CHECK WELL FOR FLOW PU INJECTOR TO INSPECT LAST 50'OF COIL WHILE POOH,PIPE LOOKS GOOD LD WINDOW BHA WINDOW MILL HAS GOOD WEAR IN THE CENTER WINDOW MILL GAUGED 3.79 GO 3.78 NO GO STRING MILL GAUGED 3.80 GO 3.79 NO GO 03:00 - 04:00 1.00 DRILL P PROD1 MU BUILD BHA PU INJECTOR AND MU U&LQC STAB ON WELL TEST MWD OPEN EDC 04:00 - 07:00 3.00 DRILL P PROD1 RIH PUMPING AT MIN RATE LOG TIE IN FROM 10,890'TO 10,925'WITH-11' CORRECTION CONTINUE TO RIH RIH THROUGH WINDOW TAG BOTTOM @ 11,194' V Printed 10/14/2010 1:14.16PM • North America -ALASKA- BP Page 14 of 20 Operation Summary Report Common Well Name:05-08 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date: 9/3/2010 End Date: X3-00VM3-C(1,432,563.00) Project:Prudhoe Bay Site: PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647"W Active Datum: 19:08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 07:00 - 14:45 7.75 DRILL P PROD1 DRILL BUILD FROM 11,194' FS 2,700 PSI FS @ 2.6 BPM TIME DEPTH PSI DHWOB 07:15 11,197' 2,950 PSI 1.5K 1 STALL 08:00 11,212' 2,840 PSI 0.9K 3 STALL RA TAG LOCATED @ 11,190'PUTTING TOWS @ 11,181'MEANING WS SLID DOWN HOLE 13' 09:05 11,229' 2,768 PSI 1.0K 3 STALL 10:00 11,238' 2,850 PSI 1.1K 5 STALL 11:00 11,255' 2,911 PSI 1.4K 2 STALL 12:00 11,273' 2,810 PSI 1.3K 1 STALL 13:00 11,280' 2,842 PSI 1.0K 2 STALL 14:15 11,322' 3,160 PSI 2.0K 2 STALL DRILL TO 11,350'AVG ROP 21 FPH 14:45 - 15:25 0.67 DRILL P PROD1 WIPER TRIP TO 10,880'FOR TIE IN TURNED PUMPS OFF TO PU THROUGH WINDOW WITH DIRCTIONAL TOOLS IN NEUTRAL TO ESTABLISH DIRECTION OF EXIT UNABLE TO PULL THROUGH WINDOW ON FIRST ATTEMPT WITH 2K OVERPULL RIH TO 11,215' PU TO WINDOW SECOND TRY WITH 2K PU THROUGH WINDOW TF @ 160°LS PU TO 11,170'OPEN EDC&CONTINUE TO PU TO TIE-IN DEPTH 15:25 - 17:10 1.75 DRILL P PROD1 LOG TIE IT FROM 10,880'TO 11,289' RUN THROUGH WINDOW CLEAN CORRECTION OF+3' OFFICIAL RA TAG DEPTH IS 11,192.5' PUTTING TOWS @ 11,183.5' TF ORIENTED IT SELF TO 150°@ WS TRAY WHILE RIH RIH TAG TD @ 11,352.6' 17:10 - 20:25 3.25 DRILL P PROD1 DRILL BUILD FROM 11,352' FS 2,600 PSI @ 2.57 BPM PUMP 5 BBL PILL FOR SHORT TRIP 20:25 - 20:55 0.50 DRILL P PROD1 SHORT TRIP 11295'PILL AT THE BIT 11280'RIH 20:55 - 00:00 3.08 DRILL P PROD1 BACK ON BOTTOM DRILLING 2.5/2.5 2525 PSI FS ROP 40-70 FPH DHWOB= 1.3-4.0K ECD=9.76 PPG WH/IA/OA=62/344/21 PVT=340 BBLS RATTY DRILLING F/11548'TO 11575'WITH LOTS OF STALLS.NOW TAKING 25'SAMPLES LOOKING FOR THE HOT 9/6/2010 00:00 - 01:30 1.50 DRILL P PROD1 CONTINUE DRILLING FROM 11575' 2.5/2.5 2525 PSI FS ROP 30-90 FPH DHWOB= 1.0-4.0K ECD=9.77 PPG WI-VIA/OA=55/391/21 PVT=334 BBLs 11650'PUMP 5 BBL PILL Printed 10/14/2010 1:14:16PM North America -ALASKA- BP Page 15 of 20 Operation Summary Report Common Well Name:05-08 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:9/3/2010 End Date: X3-00VM3-C(1,432,563.00) Project:Prudhoe Bay Site: PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor: NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647"W Active Datum: 19:08 7/16/1999 10:49©64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 01:30 - 02:00 0.50 DRILL P ■- PROD1 SHORT TRIP TO 11280' 11300'PILL AT THE BIT RIH TO CONTINUE DRILLING 02:00 - 02:30 0.50 DRILL P PROD1 CONTINUE DRILLING FROM 11650'_ 2.5/2.5 2500 PSI FS ROP 60-90 FPH DHWOB= 1.0-2.5K ECD=9.82 PPG WI-VIA/OA=59/415/21 PVT=335 BBLS 02:30 - 03:30 1.00 DRILL P - PROD1 11680'PU OFF BOTTOM TO CIRC SAMPLES UP FOR GEO, NEAR BIT INC=88.8° 03:30 - 04:40 1.17 DRILL P PROD1 11680'(9002'TVD)SAMPLE IS—30%MHO. GEO WANTS TO DROP ANOTHER 5 ND FEET TO 9007'ND TO FIND THE HOT 2.5/2.5 2500 PSI FS ROP 90-150 FPH DHWOB=1.5-1.75K ECD=9.87 PPG WI-1/1A/OA=59/415/21 PVT=335 BBLs _ 04:40 - 07:25 2.75 DRILL P PROD1 DD DOES NOT WANT TO DRILL ANY FARTHER WITH THIS 2.35°MOTOR.WE HAVE 3 SAMPLES COMING UP AND WE ARE HOPING TO SEE SOME HOT.SWAP TO HI-VIS PILL AND POOH.HI-VIS PILL OUT AT 11280' RIH 100'TO INCREASE AV'S AND POOH TO CASING.WINDOW WAS CLEAN OPEN EDC AND POOH 07:25 - 07:40 0.25 DRILL P PROD1 PJSM TO UNSTAB INJECTOR&LD BUILD BHA 07:40 - 07:55 0.25 DRILL P PROD1 FLOW CHECK WELL @ SURFACE-NO FLOW ■ UNSTAB INJECTOR LD BUILD BHA 07:55 - 08:50 0.92 DRILL P - PROD1 PREP TOOLS FOR LATERAL SECTION CHANGE MOTOR FROM 2.35°TO 1.2° 08:50 - 09:05 0.25 DRILL P PROD1 PJSM TO MU LATERAL BHA 09:05 - 09:35 0.50 DRILL P -_ PROD1 MU LATERAL BHA WITH 1.2°MOTOR&NEW HCC RWD BIT 09:35 - 12:35 3.00 DRILL P PROD1 RIH WITH LATERAL ASSY SHUT OFF PUMPS TO RUN THROUGH WINDOW RIH THROUGH WINDOW CLEAN RIH TO 11,380' LOG TIE IN TO FORMATION FROM 11,380'TO 11,437' -15'CORRECTION CONTINUE TO RIH TAG TD . 11,750' 12:35 - 14:10 1.58 DRILL P PROD1 DRILL LATERAL FROM 11,750' FS 2,600 PSI @ 2.6 BPM PUMPED 10 BBL HIGH VIS SWEEP IN PREPERATION OF WIPER 200-400 PSI MTR WK 1-2K WOB,9.95 ECD AVG ROP 95 FPH DRILL TO 11,900' 14:10 - 14:55 0.75 DRILL P PROD1 WIPERTO11,300' WIPER CLEAN NO INCREASE OF CUTTINGS @ SURFACE WITH SWEEP 14:55 - 15:25 0.50 DRILL N STUC PROD1 DRILL FROM 11,900' FS 2,670 @ 2.58 BPM AFTER DROPPING PUMP RATE TO TAKE A SURVEY TRIED TO PU WITH 45K OVER PULL &-7.5K SHOWING ON DHWOB WE APPEAR TO BE DIFFERENTIALLY STUCK Printed 10/14/2010 1:14:16PM North America -ALASKA- BP Page 16 of 20 Operation Summary Report Common Well Name:05-08 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:9/3/2010 End Date: X3-00VM3-C(1,432,563.00) I _ _ Project: Prudhoe Bay Site: PB DS 05 Rig Name/No.:NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647"W Active Datum: 19:08 7/16/1999 10:4.9©64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations hr) (ft) 15:25 - 20:15 4.83 DRILL N STUC PROD1 CIRCULATE BU PU TO NEUTRAL WT SHUT OFF PUMPS&LET HOLE RELAX FOR 15MIN WORK PIPE AS PER DIFFERENTIALLY STUCK SOP WORKED PIPE WITH NO MOVEMENT PUMPED 10 BBLS MINERAL OIL CHASED WITH MUD TO BIT SPOTTED 4 BBLS OF MINERAL OIL IN OPEN HOLE LET REST 15 MIN WORKED PIPE WITH NO LUCK SPOTTED ADDITIONAL 4 BBLS IN OPEN HOLE LET REST 15 MIN WORK PIPE FOR 15 MINUTES WITH NO MOVEMENT LET HOLE REST 20 MINUTES WORK PIPE WITH NO MOVEMENT LET HOLE REST 20:15 - 20:45 0.50 DRILL N STUC PROD1 CO REP CHANGE OUT PJSM TO DISCUSS PLAN FORWARD PLAN FORWARD IS TO SWAP THE WELL TO NEW MUD AND SEE IF THAT HELPS TO GET FREE, IF NOT THEN PUMP A 20 BBL MINERAL OIL PILL 20:45 - 22:00 1.25 DRILL N STUC PROD1 SWAP WELL TO NEW MUD 22:00 - 23:00 1.00 DRILL N STUC PROD1 WELL SWAPPED TO NEW MUD,CIRC A FEW BBLS AND SHUT DOWN RATE=2.63/2.67 DENSITY=8.56/8.58 ECD= 9.64 WH/IA/OA=44/175/20 PSI 22:10 PU ANDD TRY GOING DOWN FIRST,3 ATTEMPTS WITH NO MOVEMENT TRY UP WORKING TO MAX WT(MAX WT IS SLB'S THEORETICAL YEILD AT 80K) PULLED 8 TIMES TO MAX WT WITHOUT MOVEMENT,SLACK OFF AND LET HOLE RELAX 23:00 - 23:30 0.50 DRILL N STUC - PROD1 CONTINUE WORKING STUCK PIPE 23:30 - 23:45 0.25 DRILL N STUC - PROD1 WORKED PIPE SEVERAL TIMES IN BOTH DIRECTIONS AND NO MOVEMENT PJSM TO PUMP MINERAL OIL 23:45 - 00:00 0.25 DRILL N STUC _ PROD1 PUMP 10 BBL HI-VIS PILL,20 BBLS MINERAL OIL&5 BBL HI-VIS PILL 9/7/2010 00:00 - 00:15 0.25 DRILL N STUC _ PROD1 CONTINUE PUMPING HI-VIS PILLS&MINERAL OIL TO GET FREE 00:15 - 01:20 1.08 DRILL N STUC PROD1 MINERAL OIL AT THE BIT 10 BBLS OUT TRY WORKING PIPE A COUPLE TIMES WHILE PUMPING,NO MOVEMENT 15 BBLS OUT WORK PIPE NO MOVEMENT 17 BBLS OUT STOP AND ALLOW OIL TO SOAK FOR A FEW MINUTES 10 MIN SOAK PU TO MAX WT,AFTER A FEW PULLS NO MOVEMENT.TRY ORIENTING PUMP THE LAST 3 BBLS OUT AND LET SOAK PUMP MINERAL OIL OUT OF OH TRY WORKING PIPE Printed 10/14/2010 1:14:16PM North America -ALASKA- BP Page 17 of 20 Operation Summary Report Common Well Name:05-08 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date:9/3/2010 End Date: ,X3-00VM3-C(1,432,563.00) Project:Prudhoe Bay Site:PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647'W Active Datum: 19: 08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 01:20 - 02:30 1.17 DRILL N STUC PROD1 NO MOVEMENT CIRC MINERAL OIL OUT AND CALL APE'S HOFFMAN&SARBER TO DISCUSS OPTIONS PLAN FORWARD IS TO PUMP CRUDE,MAKE CALLS TO SLB MANAGEMANT AND CHECK FOR COKE BOTTLE TESTER ORDER A TRANSPORT OF CRUDE FROM LRS MINERAL OIL AT SURFACE TRY TO RECOVER AS MUCH AS POSSIBLE 02:30 - 02:40 0.17 DRILL N STUC PROD1 NOT MUCH MINERAL OIL RECOVERED,SHUT DOWN AND ALLOW WELL TO RELAX CRUDE TRUCK IS 2 HRS OUT FROM NOW AND STILL WAITING FOR SLB MANAGEMENT 02:40 - 03:00 0.33 DRILL N STUC PROD1 TRY WORKING PIPE 03:00 - 03:30 0.50 DRILL N STUC PROD1 TRY WORKING PIPE,SURGE COIL BY DUMPING BAKER CHOKE AT MAX RATE AND STILL NO MOVEMENT 03:30 - 03:50 0.33 DRILL N STUC PROD1 LRS ON LOCATION WITH CRUDE,PULL SAMPLE FOR VAPOR PRESSURE TEST AND SEND ANOTHER SAMPLE TO SLB LAB FOR FLASH POINT 03:50 - 04:40 0.83 DRILL N STUC PROD1 TRY WORKING PIPE AGAIN,BHP AT 3880 PSI, NO MOVEMENT 04:40 - 05:00 0.33 DRILL N STUC PROD1 TRY WORKING PIPE AGAIN,BHP AT 3951 PSI, NO MOVEMENT 05:00 - 09:00 4.00 DRILL N PROD1 OUR UP WT DEPTH(11908')HAS NOT • CHANGED SINCE I GOT HERE AND WE HAVE INCREASED THE PIPE LIFE TO 30%,WE SHOULD WAIT TO SEE IF THE EXEMPTION TO PUMP CRUDE IS APPROVED AND AND SAVE THE COILLIFE FOR WORKING THE PIPE ONCE WE HAVE PUMPED CRUDE. STACK A LITTLE WEIGHT AND CIRCULATE WHILE WAITING FOR THE EXEMPTION 09:00 - 09:30 0.50 DRILL N PROD1 SHUT OFF PUMPS&LET HOLE REST FOR 15 MINUTES&WORKED PIPE TWICW WITH NO MOVEMENT 09:30 - 13:30 4.00 DRILL N PROD1 WHILE WAITING ON WRITTEN PROCEDURE FROM TOWN TO PUMP CRUDE SWAPPED WELL TO USED MUD SYSTEM& RU LITTLE RED PUMP TRUCK TO RIG SLB MECHANICS REPLACED WT CELL ON INJECTOR HEAD 13:30 - 13:45 0.25 DRILL N PROD1 SHUT DOWN PUMPS WORK PIPE CHECKING WT CELL IT APPEARS THET THE WEIGHTS ARE STILL OFF ACCORDING TO THE HYD PRESSURE GAUGE 13:45 - 14:30 0.75 DRILL N PROD1 CALIBRATE INJECTOR HYDRAULIC SYSTEM ;14:30 - 15:00 0.50 DRILL N PROD1 PJSM TO PUMP 8OBBL CRUDE PILL 15:00 - 16:30 1.50 DRILL N PROD1 PUMP 15BBL HIGH VIS SPACER PILL PUMP 8OBBLS CRUDE FOLLOWED BY 15BBL HIGH VIS PILL SPOT 40 BBLS INTO HOLE&LET SOAK FOR 30 MINUTES DHWOB FELL OFF FROM 9K TOOK f Printed 10/14/2010 1:14:16PM • North America -ALASKA- BP Page 18 of 20 Operation Summary Report Common Well Name:05-08 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:9/3/2010 End Date: X3-00VM3-C(1,432,563.00) Project:Prudhoe Bay Site:PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor: NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647"W Active Datum: 19:08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) ft) 16:30 - 17:15 0.75 DRILL N PROD1 WORK PIPE PU WITH MAX WT WITH NO MOVEMENT PUMP AN ADDITIONAL 20BBLS OF CRUDE& LET SOAK FOR 30 MINUTES LEFT PIPE IN BIND WHILE SOAKING PIPE BROKE FREE 17:15 - 21:00 3.75 DRILL N PROD1 POH SLOWLY WHILE CIRCULATING OUT CRUDE ECD @ 8.7-9 WHILE POH PULL THROUGH WINDOW CLEAN STOP @ 10,200'TO C/O PACKOFF CONTINUE TO POH 21:00 - 21:30 0.50 DRILL N PROD1 UNSTAB. CHECK PIPE. LD BHA. 21:30 - 22:00 0.50 DRILL N ■ PROD1 PT CTC TO CALIBRATE WEIGHT CELL. WEIGHTS MATCHING HYDRAULICS ACCURATELY GOOD CALIBRATIO 22:00 - 22:40 0.67 DRILL N PROD1 CUT 200'CT FOR CHROME MANAGEMENT. 22:40 - 00:00 1.33 DRILL N PROD1 MEG WIRE,GOOD. REHEAD. PULL TEST CTC TO 35K, PT TO 4200 PSI. CONTINUED ON REPORT 09/08/2010. 9/8/2010 00:00 - 01:15 1.25 DRILL N -_ PROD1 CONTINUED FROM REPORT 09/07/2010. REHEAD BHI AND PT TO 4000 PSI. 01:15 - 02:00 0.75 DRILL N PROD1 CHAIN INSPECTION. 02:00 - 02:30 0.50 DRILL N . PROD1 PU BHA(SAME MOTOR W/1.2 DEG AKO, SAME HCC BICENTERED BIT). 02:30 - 06:00 3.50 DRILL N PROD1 RIH W/LATERAL DRILLING BHA. 04:20-RWHAT TBOU MEAT 12800 LB SURFACE WEIGHT PUMPING AT 0.25 BPM AT 1040 PSI W/FULL RETURNS. TIE-IN AT 10882'MD(IN CASED HOLE). CORRECTION OF-17'. CONTINUE RIH. 05:30-RIH AT 11600'MD AT 18700 LB SURFACE WEIGHT PUMPING 1240 PSI AT 0.6 BPM W/FULL RETURNS. 06:00 - 07:00 1.00 DRILL P PROD1 ON BOTTOM. UP WEIGHT CLEAN AT 39000 LB. ONLINE AT 2.7 BPM AT 2330 PSI W/FULL RETURNS. SWAPPING TO NEW MUD. ECD/BHP:9.9 PPG/4626 PSI. DRILL TO 12,050'. 07:00 - 08:15 1.25 DRILL P -_ PROD1 MAKE WIPER TRIP TO BELOW WINDOW. 2310 PSI FS AT 2.73 BPM IN. PVT:342 BBLS. 08:15 - 09:30 1.25 DRILL P PROD1 DRILL AHEAD FROM 12,050. 2300 PSI FS AT 2.71 BPM IN/OUT. 200-250 PSI MTR WORK. 1.0-2.0.0 K#DHWOB. FAST,SOFT DRLG. MAKE FREQUENT SHORT(BHA)WIPER TRIPS. DRILL TO 12,200'. 09:30 - 11:00 1.50 DRILL P - PROD1 WIPER TRIP TO BELOW WINDOW. 2290 PSI FS AT 2.68 BPM. PVT:341 BBLS. 11:00 - 13:00 2.00 DRILL P PROD1 DRILL LATERAL FROM 12,200' FS 2,300 @ 2.7 BPM 200-300 PSI MTR WK 1-2K WOB FREQUENT SHORT WIPERS AVG ROP 75 FPH DRILL TO 12,350' Printed 10/14/2010 1:14:16PM North America -ALASKA- BP Page 19 of 20 Operation Summary Report Common Well Name:05-08 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:9/3/2010 End Date: X3-00VM3-C(1,432,563.00) Project:Prudhoe Bay Site: PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor: NORDIC CALISTA UWI:/Lat:070°15'49.4111 Long: 0148°24'16.647"W Active Datum: 19:08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 13:00 - 14:30 1.50 DRILL P PROD1 WIPER TRIP TO WINDOW 2,395 PSI FS @ 2.72 BPM,PVT 340 SAW MOTOR WORK @ 11,500'UP&DOWN LOG TIE IN WITH+7'CORRECTION 14:30 - 16:00 1.50 DRILL P PROD1 DRILL LATERAL FROM 12,350' FS 2,300 PSI @ 2.7 BPM 200-400 PSI MTR WK 1-2.5K WOB FREQUENT SHORT WIPERS AVG ROP 100 FPH DRILL TO 12,500' 16:00 - 17:30 1.50 DRILL P - PROD1 WIPER TRIP TO WINDOW 2,285 PSI • 2.65 BPM 17:30 - 19:30 2.00 DRILL P . PROD1 DRILL AHEAD FRO 12,500' 2,285 PSI • 2.65 BPM 19:30 - 21:30 2.00 DRILL P PROD1 WIPER TO WINDOW. SAW—7K LB WEIGHT LOSS AT—11300'MD W/NO ASSOCIATED CHANGE IN CIRC PRESSURE. 21:30 - 23:45 2.25 DRILL P PROD1 DRILL AHEAD FROM 12650'MD TO 12800'MD ■- AT 2.56 BPM(2200 PSI FS). PVT/ECD/BHP: 334 BBL/9.98 PPG/4660 PSI. 23:45 - 00:00 0.25 DRILL P -- PROD1 WIPER TO WINDOW. CONTINUED ON REPORT 09/09/10. 9/9/2010 00:00 - 02:45 2.75 DRILL P PROD1 CONTINUED FROM REPORT 09/08/2010. CONTINUE WIPER TO WINDOW. WIPER CLEAN EXCEPT FOR A—7K LB WEIGHT LOSS AT 11300'MD, FOLLOWED BY A—11000 LB WEIGHT GAIN AT—11290'MD(NO MOTOR WORK ASSOCIATED WITH EITHER OF THESE EVENTS). RBIH A FEW HUNDRED FEET, THEN PULL BACK TO THIS DEPTH AND SEE SAME WEIGHT LOSS/GAIN AT SAME DEPTHS W/NO RESPONSE IN CIRC PRESSRUE. TIE-IN,CORRECTION OF(+7'). RBIH CLEAN TO BOTTOM. 02:45 - 05:20 2.58 DRILL P PROD1 DRILL AHEAD FROM 12800'MD. FREESPIN 2.52 BPM AT 2315 PSI. BHP/PVT/ ECD:4706 PSI/325 BBL/10.06 PPG. DRILL AHEAD AT 45 FPH AT 2.5 BPM AT 2700 PSI W/3.5K LB WOB AND 8600 LB SURFACE WEIGHT. RETURNS 1:1 05:10-DRILLING AHEAD AT 12907'MD AT 2.56 BPM AT 2640 PSI W/600 LB WOB AND 14000 LB SURFACE WEIGHT AT 120 FPH. BHP/ECD/PVT:4715 PSI/10.08 PPG/321 BBL. RETURNS 1:1. IAP:700 PSI OAP:20 PSI. DRILL AHEAD TO 12910'MD. 05:20 - 07:30 2.17 DRILL P PROD1 GEOS REQUEST A LITTLE TIME TO • ASCERTAIN THE DIP PRIOR TO DRILLING ANY FARTHER. BEGIN WIPER FOR GEO. 2.57 BPM AT 2340 PSI. NO WT FLUXUATIONS @ 11,300' Printed 10/14/2010 1.14.16PM • North America -ALASKA- BP Page 20 of 20 Operation Summary Report Common Well Name:05-08 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:9/3/2010 End Date: X3-00VM3-C(1,432,563.00) Project: Prudhoe Bay Site: PB DS 05 Rig Name/No.:NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.4111 Long: 0148°24'16.647"W Active Datum: 19:08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 07:30 - 11:30 4.00 DRILL P PROD1 DRILL LATERAL FROM 12,910' µµ FS 2,500 PSI @ 2.6 BPM I' 200-500 PSI MTR WK 1K-3.6K DHWOB MULTIPLE SHORT WIPERS AVG ROP 37.5 FPH DRILL TO 13,052' 11:30 - 13:45 2.25 DRILL P PROD1 WIPER TRIP TO WINDOW 13:45 - 18:00 4.25 DRILL P PROD1 DRILL LATERAL FROM 13,052' FS 2,525 PSI @ 2.55 BPM SWAP WELL TO NEW MUD TD CALLED EARLY • 13,155' 18:00 - 22:00 4.00 DRILL P PROD1 FINAL WIPER TO WINDOW,CLEAN. TIE-IN,CORRECTION OF(+7'). i j} RBIH CLEAN TO BOTTOM. TAG CORRECTED y TD AT 13157'MD. PUH. 22:00 - 00:00 2.00 DRILL P PROD1 PULL THROUGH WINDOW CLEAN. LOG CCL FROM 11165'MD(BIT DEPTH)TO 10700'MD. LOG EXTENDED GR TIE-IN FROM 10700'MD AS PER GEO. PAINT FLAG AT 10900'EOP(FLAG IS ORANGE). 23:45-POOH. PUMPING 2.7 BPM AT 1985 PSI AT 10830'MD W/FULL RETURNS. PAINT FLAG AT 8745'EOP(FLAG IS YELLOW). CONTINUED ON REPORT 09/10/10. 9/10/2010 00:00 - 02:00 2.00 DRILL P . PROD1 CONTINUED FROM REPORT 09/09/10. POOH. 02:00 - 03:00 1.00 DRILL P PROD1 LD DRILLING BHA. GRADE BIT 1,2. FUNCTION TEST BOPE;_ END RON-REPORT. CONTINUED ON CON REPORT 09/10/10. IAP:0 PSI OAP:20 PSI V Printed 10/14/2010 1:14:16PM North America -ALASKA- BP Page 1 of 9 Operation Summary Report Common Well Name:05-08 AFE No Event Type:COM-ONSHORE(CON) Start Date:9/10/2010 End Date: X3-00VM3-C(1,040,284.00) Project:Prudhoe Bay Site:PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor: NORDIC CALISTA UWI:/Lat:070°15'49.4111 Long: 0148°24'16.647'W Active Datum: 19:08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 9/10/2010 03:00 - 06:00 3.00 CASING P RUNPRD CONTINUED FROM RON REPORT 09/10/2010. IAP:0 PSI OAP:20 PSI PUMP SLACK. RECOVER 128'OF SLACK. 5' OF SLACK UNACCOUNTED FOR. LOAD 0.75"DRIFT BALL. 06:00 - 06:15 0.25 CASING P RUNPRD PJSM TO LOAD 0.75"BALL INTO COIL 06:15 - 07:00 0.75 CASING P RUNPRD RU TO LOAD 0.75"BALL INTO COIL LOAD 0.75"BALL INTO COIL LAUNCH BALL WITH 900 PSI 07:00 - 07:30 0.50 CASING P RUNPRD CIRCULATE BALL TO OBTAIN COIL VOLUME BALL LANDED WITH COIL VOLUME OF 56.3 BBLS BLEED OFF PRESSURE&BLOW DOWN POP-OFF INJECTOR&RECOVER BALL 07:30 - 07:45 0.25 CASING P RUNPRD PJSM TO REHEAD COIL FOR LINER RUN 07:45 - 09:00 1.25 CASING P RUNPRD CUT OFF SLB CTC&INSTALL BTT CTC. PRESS AND PULL TEST. 09:00 - 09:30 0.50 CASING P RUNPRD HOLD PJSM WITH CREW TO DISCUSS MU LINER BHA. DISCUSS MU OF JOINTED PIPE, DROPS, WELL CNTL,ETC 09:30 - 14:30 5.00 CASING P RUNPRD MU 65 JTS 2-7/8 STL WITH 5 JTS 3-1/2"STL. LINER OAL:2180.76' HOLD WELL CONTROL DRILLS WITH EACH PIPE SIZE. SEE REMRKS FOR DETAILS. MU SELRT GEII TOOLS AND 4 JTS 2-3/8"CSH SPACER PIPE. RD FLOOR AND RNG TOOLS. STAB COIL. GET ON WELL. CIRC COIL TO ESTABLISH RTNS. 14:30 - 16:30 2.00 CASING P RUNPRD RUN IN HOLE. 41 K#UP WT AT 11,000. 18.7K#DN WT YELLOW EOP FLAG AT 8745'NOTED AT 8740'. DIFFERENCE IS DUE TO UP/DOWN DELTA. SUBTRACT-17'CORRECTION. RIH AT 5 FPM. SET DOWN AT 11188'. PICK UP. RIH THROUGH WINDOW OK. Printed 10/14/2010 1:14:47PM North America -ALASKA- BP Page 2 of 9 Operation Summary Report Common Well Name:05-08 AFE No Event Type:COM-ONSHORE (CON) Start Date: 9/10/2010 End Date: X3-00VM3-C(1,040,284.00) Project:Prudhoe Bay Site: PB DS 05 Rig Name/No.:NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647W Active Datum: 19:08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 16:30 - 20:00 3.50 CASING P RUNPRD CONTINUE TO RUN IN HOLE AT 25-30 FPM. TAG BOTTOM AT 13172'CTMD AT 14K LB RIH WEIGHT. (NOTE,THIS DEPTH IS UNCORRECTED. WILL CONTINUE TO RECORD THESE UNCORRECTED DEPTHS FOR REMAINDER OF JOB. TD IS ACTUALLY AT 13157'MD). STACK 10K LB(TO 4K LB SURFACE WEIGHT) AT 13175'CTMD. PU TO BREAKOVER AT 45K LB AT 13163'CTMD WHILE PUMPING AT 0.3 BPM AT 1330 PSI. REPEAT THRICE W/SAME RESULTS. PU DRY AT 13163'CTMD AT 50K LB. PARK ON BOTTOM W/10K COMPRESSION (4K LB SURFACE WEIGHT)AT 13175'CTMD AND CIRCULATE AT 0.3 BPM AT 1330 PSI W FULL RETURNS. MECHANICAL COUNTER READS 10876'CTMD AT 13175'CTMD ELECTRONIC DEPTH. NOTE:ORANGE FLAG AT HORSES HEAD AT 13175'CTMD. • Printed 10/14/2010 1:14:47PM North America -ALASKA- BP Page 3 of 9 Operation Summary Report Common Well Name:05-08 AFE No Event Type:COM-ONSHORE(CON) Start Date:9/10/2010 End Date: X3-00VM3-C(1,040,284.00) Project:Prudhoe Bay Site:PB DS 05 Rig Name/No.:NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.4111 Long: 0148°24'16.647'W Active Datum: 19:08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 20:00 - 00:00 4.00 CASING P RUNPRD DOWN ON PUMP. PU TO 13159'MD TO BALL DROP POSITION. LOAD 5/8"DIAMETER STEEL BALL. LAUNCH BALL W/A 1500 PSI DIFFERENTIAL PRESSURE. ONLINE AT 2 BPM AT 2300 PSI. AUDIBLY HEAR BALL ROLLING THROUGH REEL. RIH TO BOTTOM,PARK W/10 K COMPRESSION(3500 LB SURFACE WEIGHT) AT 13175'CTMD. INCREASE RATE TO 2.5 BPM AT 2560 PSI. AUDIBLY HEAR BALL ROLLING THROUGH REEL. BALL IS HEARD TO TRAVEL UP TOWARDS GOOSENECT RIGHT ON SCHEDULE W/SURFACE CT VOLUME. CONTINUE TO CIRC BALL TO SEAT AT 2.5 BPM AT 2530 PSI W/FULL RETURNS. REDUCE RATE AT 35 BBLS AWAY TO 0.5 BPM AT 1430 PSI W/FULL RETURNS. PUMP A TOTAL OF 61 BBLS(CT VOLUME IS 56.3 BBL)WITH NO BALL SEAT. SURGE PUMP IN ATTEMPTS TO SEAT BALL-NO SUCCESS. AFTER 80 BBLS AWAY,DOWN ON PUMP FOR —10 MINUTES TO LET FLUID REACH STATIC STATE. IAP:0 PSI OAP:20 PSI ONLINE AGAIN,PUMP TO A TOTAL OF 142 BBLS,STILL NO BALL SEAT. DOWN ON PUMP FOR 10 MINUTES. PU(DRY)TO CLEAN BREAKOVER AT 13163'CTMD AT 52K LB,PUH TO 13161'CTMD. RBIH TO 13175'CTMD(10K LB COMPRESSION)AND COME BACK ONLINE AT 1 BPM AT 1670 PSI W/FULL RETURNS. AFTER 5 BBLS,STILL NO BALL ON SEAT. PU TO BREAKOVER AT 13163'CTMD AT 0.75 BPM AT 44K LB, PUH TO 13161'CTMD PUMPING AT 0.75 BPM. RBIH TO 10K COMPRESSION STILL PUMPING 0.75 BPM. PUMP AN ADDITIONAL 5 BBLS AT 0.75 BPM AT 1560 PSI IN 10K LB COMPRESSION,BALL ON SEAT AT 158 TOTAL BBLS AWAY. CONTINUE TO HOLD 10 K COMPRESSION AT 13175'CTMD AND INCREASE CTP TO 4600 PSI,HOLD FOR 1 MINUTE,SHEAR AT 4600 PSI. STABLE RATE AFTER SHEARING IS 0.75 BPM AT 1555 PSI. REDUCE RATE TO 0.3 BPM AT 1320 PSI. PU AT 0.3 BPM AT 1320 PSI,SEE BREAKOVER AT 13167'CTMD AT 34.5K LB. REPEAT W/SAME RESULTS. SELRT APPEARS TO BE SHEARED,TOL AT 10976'MD. 23:50-STACK 10K LBS COMPRESSION AND HOLD PJSM W/CREW PRIOR TO SWAPPING TO KCL. IN THE INTERIM,CONTINUE TO PUMP AT 0.3 BPM AT 1320 PSI W/FULL RETURNS. IAP:0 PSI OAP:20 PSI. CONTINUED ON REPORT 09/11/2010. Printed 10/14/2010 1:14:47PM North America -ALASKA- BP Page 4 of 9 Operation Summary Report Common Wet Name:05-08 AFE No Event Type: COM-ONSHORE(CON) Start Date:9/10/2010 End Date: IX3-00VM3-C(1,040,284.00) Project: Prudhoe Bay Site: PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM I Rig Release: Rig Contractor: NORDIC CALISTA I UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647"W Active Datum: 19: 08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code I NPT NPT Depth II Phase I Description of Operations (hr) (ft) I 9/11/2010 00:00 - 03:30 3.50 CASING P RUNPRD CONTINUED FROM REPORT 09/10/2010 IAP:0 PSI OAP:20 PSI FINAL CIRCULATION RATE W/GEOVIS IS 0.3 BPM AT 1320 PSI W/FULL RETURNS. SWAP TO 2%XS KCL. WITH CT AND WELLBORE SWAPPED TO 2% XS KCL AND NO APPLIED BACKPRESSURE, CIRCULATION RATES AND PRESSURES ARE: 1.5 BPM AT 575 PSI W/FULL RETURNS. 1.0 BPM AT 315 PSI W/FULL RETURNS. I0.5 BPM AT 70 PSI W/FULL RETURNS. PJSM W/ENTIRE CREW REGARDING UPCOMING CEMENTING OPERATIONS. CONTINUE TO CIRCULATE AT 1 BPM AT 330 PSI W/FULL RETURNS W/10K LB I COMPRESSION ON TOOL. 03:30 - 04:00 0.50 CASING P RUNPRD JBATCH CEMENT. CEMENT IS 15.8 PPG CLASS G GASBLOK SYSTEM W/A TT OF 4 HOURS 42 MINS TO 70 BC. CEMENT AT WEIGHT AT 03:58. CEMENT SHOULD BE AT 70 BC AT 08:40. IAP:0 PSI OAP:20 PSI 04:00 - 04:50 0.83 CASING P RUNPRD SWAP TO 2 PPB BIOZAN TO DISPLACE LINE TO CT W/BIO. HIGH PRESSURE SCREENS IN I REELHOUSE IRON ARE BYPASSED. DOWN ON PUMP. ONLINE WITH CEMENTERS W/FW DOWN CT C i^' FOR 5 BBL. PT CEMENTERS LINE TO 700 PSI • /6000 PSI(W/RIG MM BYPASSED). GOOD. BEGIN CEMENT DOWN CT. CALL DENSITY AT 14.0 PPG(ZERO RIG IN MM AT THIS POINT). PUMPING CEMENT DOWN CT AT 1.5 BPM AT 720 PSI AFTER 2 BBLS CEMENT AWAY. MM READS DENSITY OF 15.69 PPG,TEMP READS 78 DEG F. MAINTAINING 10K LB COMPRESSION ON TOOLS. RETURNS 1:1. 6 BBLS CEMENT AWAY,1.5 BPM AT 1010 PSI. 10 BBLS CEMENT AWAY,1.5 BPM AT 1300 PSI. 15 BBLS CEMENT AWAY,1.5 BPM AT 1640 PSI. CEMENT BEGINS GOING OVER GOOSENECK AT 15.2 BBLS CEMENT AWAY AT 1650 PSI. RETURNS 1:1, MM DENSITY READING 15.74 PPG, MM TEMP READING 82 DEG F. 22 BBLS CEMENT AWAY,1.5 BPM AT 1450 PSI. 25 BBLS CEMENT AWAY,1.5 BPM AT 1320 PSI. 28 BBLS CEMENT AWAY,1.5 BPM AT 1150 PSI. DOWN ON PUMP. END CEMENT STAGE. TOTAL OF 28.0 BBLS CEMENT PUMPED. Printed 10/14/2010 1:14:47PM North America -ALASKA- BP Page 5 of 9 Operation Summary Report Common Well Name:05-08 AFE No Event Type:COM-ONSHORE(CON) Start Date:9/10/2010 End Date: X3-00VM3-C(1,040,284.00) Project: Prudhoe Bay Site:PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647"W Active Datum: 19:08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 04:50 - 05:50 1.00 CASING P RUNPRD LINE UP W/RIG PUMP. PUMP—1 BBL BIO DOWN CEMENTERS LINE TO CEMENTERS. ZERO RIG IN MM. ONLINE W/2 PPB BIOZAN DOWN CT W/RIG PUMP W/1:1 RETURNS.MAINTAINING 10K LB COMPRESSION ON TOOLS(13175'CTMD). IAP:0 PSI. OAP:20 PSI. 10.4 BBLS BIOZAN AWAY: 2.7 BPM AT 860 PSI,JUST CAUGHT FALLING CEMENT. REDUCE RATE TO 2.3 BPM. 20 BBLS BIOZAN AWAY: 2.3 BPM AT 1340 PSI. RETURNS 1:1. 26 BBLS BIOZAN AWAY:2.3 BPM AT 1370 PSI. 28 BBLS BIOZAN AWAY,CEMENT AT LINER TOP. 1.8 BPM AT 430 PSI. 33 BBLS BIOZAN AWAY:2.1 BPM AT 1285 PSI. 41.7 BBLS AWAY,CEMENT AT SHOE. 2.1 BPM AT 1475 PSI. ZERO RETURN MM. RETURNS STILL 1:1. 50 BBLS BIOZAN AWAY:2.1 BPM AT 1730 PSI. 54.7 BBLS AWAY,2 BBLS CEMENT REMAIN ABOVE SELRT. DOWN ON PUMP. PU UNTIL BO(13166.5'CTMD AT 42K LB). PU ADDITIONAL 13'TO 13153.5"CTMD. RBIH AND STACK 10K LB DOWN(13165.3' CTMD AT 5000 LB ON WEIGHT CELL). MAINTAIN 10K LB COMPRESSION. SET TRIPS TO 700 PSI. SLOWLY PUMP DOWN CT TO DISPLACE PEE WEE DART TO LWP. PUMP UP TO 600 PSI W/ 0.3 BBLS. HOLD FOR—20 SECONDS,GOOD. PU TO BOAT 13156'CTMD AT 43K LB. CIRC PRESSURE FALLS AWAY. RESET TRIP. ONLINE AT 1.5 BPM AT 840 PSI TO SIDE EXHAUST CEMENT(2 BBLS CEMENT AND 3 BBLS BIOZAN SIDE EXHAUSTED). DOWN ON PUMP. OPEN BAKER CHOKE. STACK 10K LB COMPRESSION(13165.4'CTMD AT 4000 LB ON WEIGHT CELL). CLOSE BAKER CHOKE. HOLD—10K LB COMPRESSION AND COME ONLINE DOWN THE CT TO SHEAR THE LWP. LWP SHEARS AT 3130 PSI W/0.5 BBLS. CONTINUE PUMPING LWP TO SEAT AT 2 BPM AT 2040 PSI. 4 BBLS AWAY AFTER SHEAR:2 BPM AT 2270 PSI. RETURNS 1:1. 10 BBLS AWAY AFTER SHEAR:2 BPM AT 2210 PSI. RETURNS 1:1. AT 12.5 BBLS AWAY AFTER SHEAR,ACHIEVE BUMP. INCREASE PRESSURE TO 2900 PSI (700 PSI ABOVE CIRC PRESSURE). HOLD FOR 1 MINUTE,GOOD. OPEN BAKER CHOKE, CHECK FLOATS-GOOD. CLOSE BAKER CHOKE. PRESSURE UP TO 800 PSI(PRESSURE HOLDING). SLOWLY PU,PRESSURE FALLS AWAY AT 13155'CTMD AT 39K LB. PU ADDITIONAL 5'TO 13150'CTMD. ONLINE DOWN CT AT 0.5 BPM AT 750 PSI W/FULL Printed 10/14/2010 1:14:47PM North America -ALASKA - BP Page 6 of 9 Operation Summary Report Common Well Name:05-08 AFE No Event Type:COM-ONSHORE(CON) Start Date: 9/10/2010 End Date: X3-00VM3-C(1,040,284.00) Project:Prudhoe Bay Site: PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647W Active Datum: 19: 08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) RETURNS. ESTIMATED TOC IS AT LINER TOP. 1 10976:.._. RETURNS 1:1 THROUGHOUT JOB. (NOTE:CONTINUING TO RECORD CT—DS DEPTHS FOR REMAINDER OF TRIP). 05:50 - 09:00 3.17 CASING P RUNPRD PUMPING BIOZAN OUT CT W/FULL RETURNS AT 0.5 BPM AT 730 PSI. SLOWLY RECIPROCATE OVER A—25'INTERVAL ABOVE LT(13155'CTMD TO 13130'CTMD) STRINGING OUT BIOZAN. AFTER 5 BBLS BIOZAN HAS BEEN RECIPROCATED ON TOP OF LINER TOP, BEGIN POOH MAINTAINING—0.5 BPM LIQUID RETURNS AT SURFACE. PUMP A TOTAL OF —130 BBLS BIOZAN FOLLOWED BY 2%XS KCL. JOG IN HOLE AFTER REACHING SURFACE. MAX RTNS PPG: 11.0. ESTIMATE 4-5 BBLS CEMENT IN RTNS. HOLD PJSM WHILE POOH. 09:00 - 10:30 1.50 CASING P RUNPRD AT SURFACE. FLOW CHECK WELL. GET OFF WELL. UNSTAB COIL. LD BTT TOOLS. STAND BACK CSH. CONTINUE TO RD AND CLEAN FLOOR AND PREP FOR RNG MCN CL/CLEANOIJTBHA. _ 10:30 - 11:30 1.00 CASING P RUNPRD MU SWIZZLE STICK. GET ON WELL AND JET BOPS. 11:30 - 12:30 1.00 EVAL P RUNPRD RU FLOOR FOR RUNNING MCNL TOOLS. 12:30 - 13:00 0.50 EVAL P LOWER1 HOLD PJSM TO DISCUSS HANDLING BHA. ALSO DISCUSS RADIOACTIVE SOURCE SAFETY. 13:00 - 17:00 4.00 EVAL P LOWER1 MU 2.3 MILL,MTR AND BTT COMPONENTS. MU SWS MCNL TOOLS, INSTALL SOURCE. RUN 70+2 JTS OF 1-1/4"CSH. BRUSH SAME IN PIPE SHED. MU 4 jts PI-6 with BTTTOOLS. STAB COIL. GET ON WELL. - - 17:00 - 18:30 1.50 EVAL P LOWER1 ESTABLISH CIRCULATION. RUN IN HOLE. 18:30 - 00:00 5.50 EVAL P LOWER1 TRIP THROUGH LINER TOP W/A WEIGHT BOBBLE AND A SMALL BLIP OF MOTOR WORK. RECIPROCATE THROUGH LINER TOP, CLEAN. LOG DOWN PASS AT 30 FPM FROM TOP OF LOG INTERVAL 10500'CTMD TO TD(CLEAN ALL THE WAY). TAG TD AT 13138'UNCORRECTED. LOG UP PASS AT 60 FPM FROM TD TO TOP OF LOG INTERVAL 10500'CTMD WHILE LAYING-IN PERF PILL. POOH. PAINT WHITE FLAG AT 5900'EOP. GET—100 BBLS OF STRUNG OUT CEMENT CONTAMINATED RETURNS(DENSITY OF—8.6 PPG AT OUT MM). POOH. CONTINUED ON REPORT 09/12/2010 Printed 10/14/2010 1:14:47PM North America -ALASKA- BP Page 7 of 9 Operation Summary Report Common Well Name:05-08 AFE No Event Type:COM-ONSHORE(CON) Start Date:9/10/2010 End Date: X3-00VM3-C(1,040,284.00) Project:Prudhoe Bay Site:PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647"W Active Datum: 19:08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) _ 9/12/2010 00:00 - 00:45 0.75 EVAL P ■- LOWER1 CONTINUED FROM REPORT 09/11/2010 PULL TO SURFACE W/CLEANOUT/LOGGING ASSEMBLY. 00:45 - 04:00 3.25 EVAL P LOWER1 STANDBACK CSH. UCA RESULTS INDICATE CEMENT SAMPLE AT 2000 PSI COMPRESSIVE STRENGTH AT —02:15. RECOVER SOURCE. SECURE SOURCE. LD LOGGING TOOLS. LD MOTOR. 04:00 - 06:00 2.00 EVAL P LOWER1 DOWNLOAD TOOL. CHECK FOR LOG DATA. PRESSURE TEST LINER LAP TO 2000 PSI W/ 2.5 BBLS KCL. TEST LOST—400 PSI IN FIRST MINUTE. RE-PRESSURE TO 2000 PSI WITH SAME RESULTS. CHART FULL 30 MINUTE FAILING LINER LAP TEST. 06:00 - 06:30 0.50 PERFOB P LOWER1 HOLD PJSM WITH CREW AND SERVICE HANDS. DISCUSS PERF GUN HANDLING, PROCEDURES,AND HSE ISSUES. 06:30 - 10:30 4.00 PERFOB P LOWER1 MAKE UP 24 2.00"6 SPF 2006PJ GUNS, INCLUDING BLANKS WITH GUN PUNCHERS. INSTALL CT eFIRE HEAD. MU BTT TOOLS AND 61 JTS 1-1/4"CSH. 4 JTS 2-3/8"PH6. STAB COIL. GET ON WELL. 10:30 - 13:15 2.75 PERFOB P LOWER1 RUN IN HOLE. TIE INTO EOP FLAG AT 5900'. NO CORRECTION. 40K#UP WT,18K#DN WT AT 10,900'. RUN IN LINER AT 50 FPM. 0.11 BPM AT 50 PSI. 13:15 - 14:00 0.75 PERFOB P LOWER1 TAG PBTD AT 13137'. VERIFY. PU TO BO. CORRECT DEPTH TO 13,113'(PBTD AS PER MCNL LOG CORRELATION) PULL UP HOLE TO 12751'. CREEP UP HOLE AND INITIATE FIRING SEQUENCE. . 8K#OVERPULL AS GUNS FIRE. 14:00 - 17:00 3.00 PERFOB P LOWER1 PULL OUT OF HOLE AT 30 FPM WHLE CIRC DOWN COIL. HOLD PJSM FOR TRIP OUT WITH DRILLER. HOLE TOOK A THREE BBL INITIAL LOSS. MONITOR HOLE FILL WHILE POOH. 17:00 - 19:30 2.50 PERFOB P LOWER1 TAG UP AT SURFACE. BEGIN LD CSH. 19:30 - 22:00 2.50 PERFOB P LOWER1 LD PERF GUNS. ALL SHOTS FIRED. NOTE:WELL PERFORATED FROM 12250'MD- 12600'MD AND FROM 12650'MD-12750'MD FOR A TOTAL OF 450'PERFORATIONS. GUNS ARE 2.0"6 SPF 2006 PJ AT 60 DEG PHASING. 22:00 - 23:30 1.50 ZONISO P RUNPRD PU BTT KB LTP ASSEMBLY. 23:30 - 00:00 0.50 ZONISO P RUNPRD RIH W/BTT KB LTP ASSEMBLY. IAP:0 PSI OAP:20 PSI CONTINUED ON REPORT 09/12/2010 Printed 10/14/2010 1:14.47PM North America -ALASKA- BP Page 8 of 9 Operation Summary Report Common Well Name:05-08 AFE No Event Type:COM-ONSHORE(CON) Start Date:9/10/2010 End Date: X3-00VM3-C(1,040,284.00) Project:Prudhoe Bay Site:PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647"W Active Datum: 19:08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 9/13/2010 00:00 - 04:45 4.75 ZONISO P RUNPRD CONTINUED FROM REPORT 09/12/2010 IAP:0 PSI OAP:20 PSI CONTINUE RIH W/BTT KB LTP ASSEMBLY. 02:00-RIH AT 9800'CTMD AT 0.35 BPM AT 110 PSI W/FULL RETURNS. AT 10930'CTMD,WEIGHT CHECK 43000 LB AT 0.35 BPM AT 80 PSI W/FULL RETURNS. RIH AT 20K LB. SEE SLIGHT CIRC PRESSURE INCREASE AT 10989'CTMD. DOWN ON PUMP, BLEED OFF CT,OPEN BAKER CHOKE, RIH AND BEGIN TO STACK WEIGHT AT 10995'CTMD AND STACK 10K COMPRESSION TO 10998'CTMD. PU TO BO AT 10991'CTMD PLUS 1'TO 10990' CTMD. PUH TO 10972'CTMD AND CLOSE BAKER CHOKE. LOAD 5/8"STEEL BALL AND LAUNCH W/A 1500 PSI PRESSURE BUMP. CIRCULATE BALL AT 2.1 BPM AT 900 PSI. AUDIBLY HEAR BALL ROLLING THROUGH REEL. BALL IS HEARD TO TRAVEL UP TOWARDS GOOSENECK AT 19 BBLS AWAY. AFTER 36 BBLS AWAY,REDUCE RATE TO 0.75 BPM AT 200 PSI. LAND BALL AFTER 47.4 BBLS AWAY AND OBSERVE PRESSURE INCREASE TO 650 PSI. DOWN ON PUMP,BLEED DOWN CT,OPEN BAKER CHOKE. SET DOWN INTO DEPLOYMENT SLEEVE, STACK 10K LB COMPRESSION TO 10998' CTMD. PU TO BO AT 10991'CTMD PLUS 2'TO 10989'CTMD. CLOSE BAKER CHOKE. PRESSURE UP AGAINST BALL TO 2000 PSI AND SHUT DOWN PUMP. STACK TO 10K LB COMPRESSION AT 10994'CTMD, BLEED OFF CT PRESSURE,SET DOWN TO 10K LB COMPRESSION AT 10995'CTMD. PU TO NEUTRAL WEIGHT AT 20K LB AT 10994' CTMD. PRESSURE UP ON BACK SIDE OF CT AND L -1 PRESSURE TEST LTP TO 2388 PSI FOR 30 MINUTES AND CHART TEST-PASSED. PRESSURED VOID TO 2388 PSI W/2.5 BBLS. AFTER 15 MINUTES,PRESSURE IS 2362 PSI (LOSS OF 26 PSI). AFTER 30 MINUTES, PRESSURE IS 2358 PSI(LOSS OF 4 PSI IN SECOND 15 MINUTES,TOTAL OF 30 PSI TOTAL LOSS IN 30 MINUTES. PASS). BLEED OFF BACKSIDE PRESSURE AND STACK 5K LB COMPRESSION AT 10994.5' CTMD. PRESSURE UP TO SHEAR BALL SEAT -SHEARED AT 3500 PSI. PULL FREE FROM LTP AT 47K LB(NORMAL UP WEIGHT 43K LB). 04:45 - 06:30 1.75 ZONISO P RUNPRD POOH AT 0.6 BPM AT 150 PSI W/FULL RETURNS. Printed 10/14/2010 1:14:47PM North America -ALASKA- BP Page 9 of 9 Operation Summary Report Common Well Name:05-08 AFE No Event Type: COM-ONSHORE(CON) Start Date:9/10/2010 End Date: X3-00VM3-C(1,040,284.00) Project:Prudhoe Bay Site:PB DS 05 Rig Name/No.: NORDIC 2 Spud Date/Time:6/8/1977 12:00:00AM Rig Release: Rig Contractor: NORDIC CALISTA UWI:/Lat:070°15'49.411"1 Long: 0148°24'16.647"W Active Datum: 19:08 7/16/1999 10:49 @64.00ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations 1 (hr) (ft) 06:30 - 07:30 1.00 ZONISO P RUNPRD AT SURFACE. FLOW CHECK. GET OFF WELL. UNSTAB COIL. LD PH6 PIPE. LAY DOWN BTT LTP RUNNING TOOLS. 07:30 - 08:00 0.50 RIGD P PRE MU NOZZLE ON COIL WITH CHECKS. GET ON WELL. 08:00 - 10:00 2.00 RIGD P PRE RUN IN HOLE TO 2500'. DISPLACE WELL TO FP WITH DIESEL BACK TO SURFACE. GET OFF WELL. LD BHA. RIG DOWN Irs PUMPERS. 10:00 - 13:00 3.00 RIGD P PRE RU SLB NITROGEN UNIT. HOLD PJSM WITH CREWS. BLOW DOWN REEL. LAST FLUID IN REEL WAS 5 BBLS DIESEL. RD SLB PUMPERS. 13:00 - 16:00 3.00 RIGD P PRE HOLD PJSM TO UNSTAB COIL. THREAD WIRELINE GRAPPLE. SPOOL COIL BACK TO REEL. SECURE SAME HOLD PJSM WITH CHILL AND CREW. LOWER REEL FROM REEL HOUSE. 16:00 - 17:30 1.50 BOPSUR P PRE OPEN RAM CAVITIES. CHECK SAME. SET BPV. 17:30 - 19:00 1.50 BOPSUR P PRE ND BOPE. 19:00 - 21:00 2.00 BOPSUR P PRE INSTALL TREE CAP AND PT TO 3500 PSI- PASS. 21:00 - 23:00 2.00 RIGD P PRE BACK RIG OFF WELL. CLEAN UP AREA AROUND WELLHEAD. 23:00 - 00:00 1.00 RIGD P PRE CALL SECURITY TO LOCATION FOR RIG MOVE. WELL SUPPORT FINISHES LAYING RIG MATS. RELEASE RIG AT MIDNIGHT 09/13/2010. END OF OPERATIONS ON 05-08A. NORDIC 2 EXPLOITS CONTINUED ON X-19 OPENWELLS REPORT 09/14/2010 Printed 10/14/2010 1:14:47PM 05-08A, Well History Date Summary 07/18/10 ***WELL SHUT IN ON ARRIVAL***(pre ctd) TWO ATTEMPTS TO DRIFT W/3.50" LIB&SAT DOWN HIGH © 11,049'SLM. DRIFT W/3.625"CENT,2.78" SWAGE, BULLNOSE TAG © 11,279 SLM LOG W/PDS CALIPER/MEMORY GR/CCL FROM 11,272 TO 10,800 SLM. ***LEFT WELL SHUT IN TURNED WELL OVER TO DSO*** 08/31/10 T/1/O=80/0/0. MIT-IA**PASSED**to 3000 psi. MIT-OA**FAILED**to 2000 psi. (CTD prep)Tag on OA says that OA is cemented to surface. FIP also states that it is cemented to surface. MIT IA lost 120 psi in the 1st 15 min and 40 psi in the 2nd 15 min for a total loss of 160 psi in the 30 min test. Bled 1AP to 0. Pumped 0.1 bbl of Crude down OA to reached test pressure. Pressure dropped 900 psi in 2 min. Attempted 3 MIT OA tests to 2000 psi,all tests FAILED. Bled OAP to 0. (Swab,Wing=Closed; SSV, Master=Open; IA and OA are open to gauges. FWP's=80/80/0. 09/01/10 T/I/O=80/100/0 P/T against SN, SSV& MN individually for 5 min. © 300 psi low/pass-3500 psi high/pass; P/T lubricator @ 300 psi low/pass-3500 psi high/pass; Set 4" CIW H TWC#284 CO 108"w/1-1' ext.; P/T against TWC for 5 min. © 300 psi low/pass-3500 psi high/pass; Upon completion P/T tree cap to 500 psi; Pre-Nordic 2 09/01/10 T/I/O=SSV/150/0+,Temp=Sl. PPPOT-T(PASS). Pre CTD. PPPOT-T: Stung into test port(0+psi), bled to 0 psi. Pumped through void, good returns. Pressured void to 5000 psi for 30 min test, lost 300 psi in 15 min.Torqued LDS to 450 lb/ft. Stung into monitor port(0 psi). Re-pressured void to 5000 psi, lost 150 psi in 15 min, lost 50 psi in second 15 min (PASS). Bled void to 0 psi. 09/02/10 TIO=BPV/140/0. SI. Bleed IAP to 0 psi (pre-CDT). Bled IAP to 0 psi in 20 mins(all fluid).SI bleed monitor for 30 mins, IAP remained unchanged. Job complete SV,WV=N/A. MV=C. SSV=O. IA,OA=OTG. NOVP 09/03/10 T/1/0=200/0/0; Pulled 4-1/16"CIW "H"TWC#284 thru stack for Nordic 2 post BOPE test; RKB=23.50';4- 5'exts. used,tagged © 84": No Problems 09/13/10 T/I/O=0/0/0. Set 4 1/16" CIW 'H' BPV#149 w/T-bar for Nordic 1 RDMO. RKB=24.11'. 09/14/10 T/I/O=0/0/0;Torqued all tree flange nuts to spec. (see log)post Nordic 2 CTD;Tested barriers to 500 psi. for 5 min. PASSED;Tested lubricator to 500 psi low and 3500 psi high for 5 min. each PASSED; Pulled 4- 1/16"CIW H BPV#1149 thru tree; 1-1'ext used,tagged ©1 114"; Set 4-1/16" CIW H TWC#256 thru tree after integrity test of 500 psi low and 3500 psi high PASSED; Shell tested tree(including THA to MV flange)to 500 psi for 5 min. PASSED 5000 psi for 5 min. PASSED; Pulled TWC#256 and pressure tested tree cap to 500 psi for 5 min. PASSED; RDMO***Job complete*** 09/18/10 ***WELL S/I ON ARRIVAL****(g/I for rate) SET 4-1/2" SS C-SUB © 7021'SLM PULLED RK-DGLV FROM STA#1 © 6907' SLM/6920' MD AND RK-DGLV FROM STA#2 © 3558' SLM/ 3572' MD SET STA#2 RK-LGLV © 3558'SLM/3572' MD SET STA#1 RK-OGLV © 6907'SLM/6920' MD PULLED 4-1/2" SS C-SUB 7021' SLM 09/24/10 ASRC Test Unit#1, S/B for UT baseline inspection, ***Job in Progress*** 09/25/10 ASRC Test Unit#1,Transport equipment to location, Complete Rig up, Begin stabilization, ***Job in Progress*** ***Inlet 05-08, Outlet,05-22*** 09/26/10 ASRC Test Unit#1,Complete 12 hour test, Begin Rig down, ***Job in Progress*** ***Inlet 05-08, Outlet 05-22*** 09/27/10 ASRC Test Unit#1,Complete Rig down, Leave location, ***Job Complete*** ***Inlet 05-08, Outlet 05-22*** Page 1 of 2 05-08A, Well History Date Summary 09/27/10 T/I/O=SSV/280/0 Freeze Protect Flowline of 05-22 for the well test on 05-08 Pumped into the flowline with 5 bbls of neat methanol followed by 47 bbls of crude. Have IGV shut and pressure flowline up to 1500 psi. Final WHP's=SSV/280/0 Valve positions at the time of departure: Swab,Wing, SSV=Closed/Master, IA, OA=Open Page 2 of 2 ■ M BAKER HUGHES INTEQ North America - ALASKA - BP Prudhoe Bay PB DS 05 05-08 - Slot 08 / Lat: 070°15'49.411"1 Long: 0148°2416.647"W 05-08A Survey: MWD Survey Report - Geographic 13 September, 2010 bP n i r&gu BHUGHES Survey Report-Geographic ,l bp 1NTEQ Company: North America-ALASKA-BP Local Co-ordinate Reference: Well 05-08-Slot 08 Project: Prudhoe Bay TVD Reference: 19:08 7/16/1999 10:49 @ 64.00ft(generic drillinc Site: PB DS 05 MD Reference: 19:08 7/16/1999 10:49 @ 64.00ft(generic drillinc. Well: 05-08 North Reference: True Wellbore: 05-08A Survey Calculation Method: Minimum Curvature Design: 05-08A 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 DS 05,TR-11-15 Site Position: Northing: 5,947,204.70ft Latitude: 70°15'35.696 N From: Map Easting: 697,428.91 ft Longitude: 148°24'14.424 W Position Uncertainty: 0.00 ft Slot Radius: 0.000in Grid Convergence: 1.50 ° Well 05-08 API No 500292024800 Well Position +N/-S 0.00 ft Northing: 5,948,596.60 ft Latitude: 70°15'49.411 N +E/-W 0.00 ft Easting: 697,315.98 ft Longitude: 148°24'16.647 W Position Uncertainty 0.00 ft Wellhead Elevation: ft Ground Level: 0.00ft Wellbore 05-08A API No 500292024801 1 Magnetics Model Name Sample Date Declination Dip Angle Field Strength o) ( (0) (nT) BGGM2009 1/14/2010 22.47 80.94 57,686 Design 05-08A Audit Notes: Version: Phase: ACTUAL Tie On Depth: 11,150.00 Vertical Section: Depth From(TVD) +N/-S +E/-W Direction (ft) (ft) (ft) (0) 30.00 0.00 0.00 241.63 Survey Program Date: 9/13/2010 From To (ft) (ft) Survey(Wellbore) Tool Name Description 100.00 99.00 2:Gyrodata cont.drillpipe m/(05-08) GYD-CT-DMS Gyrodata cont.drillpipe m/s 100.00 11,150.00 4:Gyrodata gyrocompassing m/(05-08) GYD-GC-MS Gyrodata gyrocompassing m/s 11,183.50 13,157.00 MWD(05-08A) MWD MWD-Standard 9/13/2010 11:29:42AM Page 2 COMPASS 2003.16 Build 71 r IG11111 BAKER HUGHES Survey Report- Geographic by 1NTEQ Company: North America-ALASKA-BP Local Co-ordinate Reference: Well 05-08-Slot 08 Project: Prudhoe Bay TVD Reference: 19:08 7/16/1999 10:49 @ 64.00ft(generic drillinc Site: PB DS 05 MD Reference: 19:08 7/16/1999 10:49 @ 64.00ft(generic drillinc Well: 05-08 North Reference: True Wellbore: 05-08A Survey Calculation Method: Minimum Curvature Design: 05-08A 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 11,150.00 51.72 235.89 8,770.82 -3,860.67 -3,968.96 5,944,633.46 693,449.78 70° 15'11.431 N 148°26'12.091 W TIP 11,183.50 51.72 235.83 8,791.58 -3,875.43 -3,990.72 5,944,618.14 693,428.41 70° 15'11.285 N 148°26'12.724 W KOP 11,200.55 48.36 235.83 8,802.53 -3,882.77 -4,001.54 5,944,610.52 693,417.79 70°15'11.213 N 148°26'13.038 W 11,230.53 40.95 235.83 8,823.84 -3,894.60 -4,018.96 5,944,598.24 693,400.69 70°15 11.097 N 148°26'13.545 W 11,250.52 36.20 237.00 8,839.46 -3,901.50 -4,029.33 5,944,591.07 693,390.50 70°15 11.029 N 148°26'13.846 W 11,275.54 31.63 242.96 8,860.23 -3,908.51 -4,041.38 5,944,583.75 693,378.63 70°15 10.960 N 148°26'14.197 W 11,300.64 32.53 253.72 8,881.51 -3,913.40 -4,053.73 5,944,578.54 693,366.42 70°15 10.912 N 148°26'14.556 W 11,330.35 37.56 260.40 8,905.84 -3,917.15 -4,070.35 5,944,574.35 693,349.91 70°15 10.875 N 148°26'15.039 W 11,361.23 44.31 268.54 8,929.17 -3,919.00 -4,090.45 5,944,571.97 693,329.86 70°15'10.856 N 148°26'15.624 W 11,391.49 50.08 272.57 8,949.72 -3,918.75 -4,112.63 5,944,571.64 693,307.69 70°15 10.859 N 148°26'16.269 W 11,419.64 55.33 280.15 8,966.79 -3,916.22 -4,134.84 5,944,573.59 693,285.41 70°15'10.883 N 148°26'16.915 W 11,454.76 58.32 290.22 8,986.04 -3,908.49 -4,163.14 5,944,580.57 693,256.93 70°15 10.959 N 148°26'17.738 W 11,484.14 59.54 299.46 9,001.23 -3,897.93 -4,185.93 5,944,590.53 693,233.87 70°15'11.063 N 148°26'18.401 W 11,512.45 61.39 308.48 9,015.20 -3,884.17 -4,206.32 5,944,603.75 693,213.13 70°15'11.198 N 148°26'18.995 W 11,540.63 64.28 315.43 9,028.08 -3,867.41 -4,224.93 5,944,620.02 693,194.08 70°15'11.363 N 148°26'19.536 W 11,574.71 67.41 325.47 9,042.06 -3,843.46 -4,244.67 5,944,643.44 693,173.72 70°15'11.598 N 148°26'20.111 W 11,604.63 69.87 331.38 9,052.96 -3,819.73 -4,259.24 5,944,666.78 693,158.54 70°15'11.832 N 148°26'20.535 W 11,630.64 76.93 333.48 9,060.39 -3,797.64 -4,270.76 5,944,688.56 693,146.44 70°15'12.049 N 148°26'20.870 W 11,647.06 80.85 334.41 9,063.55 -3,783.17 -4,277.84 5,944,702.84 693,138.99 70°15'12.191 N 148°26'21.076 W 11,669.00 87.21 336.04 9,065.83 -3,763.37 -4,286.97 5,944,722.39 693,129.34 70°15'12.386 N 148°26'21.343 W 11,699.66 84.68 342.25 9,068.00 -3,734.80 -4,297.86 5,944,750.66 693,117.71 70°15'12.667 N 148°26'21.660 W 11,725.57 84.31 344.91 9,070.49 -3,710.07 -4,305.15 5,944,775.19 693,109.77 70°15'12.910 N 148°26'21.872 W 11,750.44 86.99 348.44 9,072.37 -3,685.94 -4,310.86 5,944,799.16 693,103.43 70°15'13.147 N 148°26'22.039 W 11,780.38 89.91 352.77 9,073.18 -3,656.43 -4,315.74 5,944,828.54 693,097.78 70°15'13.437 N 148°26'22.181 W 11,810.70 93.38 353.99 9,072.31 -3,626.33 -4,319.24 5,944,858.53 693,093.50 70°15 13.733 N 148°26'22.283 W 11,840.82 93.48 359.16 9,070.51 -3,596.32 -4,321.03 5,944,888.48 693,090.92 70°15'14.029 N 148°26'22.336 W 11,869.43 94.37 1.53 9,068.55 -3,567.78 -4,320.86 5,944,917.01 693,090.34 70°15'14.309 N 148°26'22.332 W 11,901.69 95.66 5.32 9,065.73 -3,535.71 -4,318.94 5,944,949.12 693,091.42 70°15'14.625 N 148°26'22.276 W 11,925.96 95.50 8.30 9,063.37 -3,511.73 -4,316.08 5,944,973.17 693,093.65 70°15'14.861 N 148°26'22.193 W 11,950.71 94.77 12.63 9,061.15 -3,487.49 -4,311.60 5,944,997.51 693,097.49 70°15'15.099 N 148°26'22.064 W 11,975.81 92.21 17.51 9,059.63 -3,463.31 -4,305.09 5,945,021.85 693,103.37 70°15'15.337 N 148°26'21.875 W 12,000.51 90.46 16.94 9,059.05 -3,439.73 -4,297.78 5,945,045.62 693,110.06 70°15'15.569 N 148°26'21.662 W 12,032.77 91.66 13.08 9,058.45 -3,408.58 -4,289.43 5,945,076.97 693,117.59 70°15'15.875 N 148°26'21.420 W 12,060.46 91.75 9.73 9,057.63 -3,381.45 -4,283.95 5,945,104.23 693,122.35 70°15'16.142 N 148°26'21.261 W 12,090.52 89.91 7.02 9,057.19 -3,351.72 -4,279.58 5,945,134.07 693,125.95 70°15'16.434 N 148°26'21.134 W 12,123.92 88.89 4.20 9,057.54 -3,318.49 -4,276.31 5,945,167.37 693,128.34 70°15'16.761 N 148°26'21.040 W 12,150.57 88.04 1.55 9,058.26 -3,291.88 -4,274.98 5,945,194.00 693,128.98 70°15'17.023 N 148°26'21.001 W 12,179.49 87.91 359.05 9,059.28 -3,262.98 -4,274.82 5,945,222.90 693,128.37 70°15'17.307 N 148°26'20.997 W 12,210.97 88.43 358.43 9,060.29 -3,231.53 -4,275.52 5,945,254.32 693,126.85 70°15'17.617 N 148°26'21.018 W 12,240.76 87.91 356.01 9,061.24 -3,201.79 -4,276.96 5,945,284.01 693,124.63 70°15'17.909 N 148°26'21.061 W 12,269.68 89.02 354.66 9,062.01 -3,172.98 -4,279.31 5,945,312.75 693,121.53 70°15'18.192 N 148°26'21.130 W 12,299.82 90.03 352.94 9,062.26 -3,143.02 -4,282.57 5,945,342.61 693,117.49 70°15'18.487 N 148°26'21.225 W 12,336.96 88.96 349.13 9,062.59 -3,106.34 -4,288.35 5,945,379.12 693,110.74 70°15'18.848 N 148°26'21.394 W 12,370.14 89.48 346.09 9,063.04 -3,073.94 -4,295.47 5,945,411.32 693,102.78 70°15'19.166 N 148°26'21.601 W 12,401.24 90.83 343.68 9,062.96 -3,043.92 -4,303.58 5,945,441.12 693,093.89 70°15'19.462 N 148°26'21.838 W 12,431.36 88.92 347.02 9,063.02 -3,014.78 -4,311.20 5,945,470.04 693,085.51 70°15'19.748 N 148°26'22.060 W 12,462.29 88.31 349.02 9,063.77 -2,984.54 -4,317.61 5,945,500.11 693,078.30 70°15'20.045 N 148°26'22.247 W 12,493.15 88.80 354.99 9,064.55 -2,954.00 -4,321.90 5,945,530.52 693,073.21 70°15'20.346 N 148°26'22.372 W 12,524.25 87.52 0.18 9,065.55 -2,922.95 -4,323.21 5,945,561.52 693,071.09 70°15'20.651 N 148°26'22.411 W 12,552.72 87.88 3.09 9,066.69 -2,894.52 -4,322.40 5,945,589.96 693,071.16 70°15'20.931 N 148°26'22.388 W 12,582.52 87.73 7.64 9,067.83 -2,864.88 -4,319.62 5,945,619.66 693,073.16 70°15'21.222 N 148°26'22.307 W 12,610.22 86.87 10.24 9,069.14 -2,837.55 -4,315.32 5,945,647.10 693,076.74 70°15'21.491 N 148°26'22.183 W 12,642.17 86.72 14.15 9,070.92 -2,806.38 -4,308.58 5,945,678.43 693,082.66 70°15'21.798 N 148°26'21.987 W 9/13/2010 11:29:42AM Page 3 COMPASS 2003.16 Build 71 Ina II BAKER HUGHES Survey Report-Geographic 41, by 1NTEQ Company: North America-ALASKA-BP Local Co-ordinate Reference: Well 05-08-Slot 08 Project: Prudhoe Bay TVD Reference: 19:08 7/16/1999 10:49 @ 64.00ft(generic drillinc Site: PB DS 05 MD Reference: 19:08 7/16/1999 10:49 @ 64.00ft(generic drillinc Well: 05-08 North Reference: True Wellbore: 05-08A Survey Calculation Method: Minimum Curvature Design: 05-08A 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 12,672.79 87.09 16.74 9,072.58 -2,776.91 -4,300.44 5,945,708.10 693,090.03 70°15'22.088 N 148°26'21.751 W 12,704.75 89.20 19.95 9,073.61 -2,746.59 -4,290.39 5,945,738.67 693,099.28 70° 15'22.386 N 148°26'21.459 W 12,730.39 90.61 20.58 9,073.66 -2,722.54 -4,281.51 5,945,762.94 693,107.53 70° 15'22.622 N 148°26'21.201 W 12,760.44 91.26 19.40 9,073.17 -2,694.31 -4,271.23 5,945,791.44 693,117.06 70° 15'22.900 N 148°26'20.902 W 12,788.74 91.47 15.74 9,072.49 -2,667.34 -4,262.70 5,945,818.62 693,124.89 70° 15'23.165 N 148°26'20.654 W 12,819.42 91.97 11.54 9,071.57 -2,637.55 -4,255.46 5,945,848.59 693,131.33 70°15'23.458 N 148°26'20.445 W 12,850.27 93.87 8.63 9,070.00 -2,607.22 -4,250.07 5,945,879.05 693,135.93 70°15'23.757 N 148°26'20.288 W 12,879.59 94.46 5.27 9,067.87 -2,578.19 -4,246.53 5,945,908.15 693,138.71 70°15'24.042 N 148°26'20.186 W 12,910.75 93.63 0.77 9,065.67 -2,547.16 -4,244.90 5,945,939.21 693,139.53 70°15'24.347 N 148°26'20.139 W 12,942.41 92.24 0.02 9,064.05 -2,515.55 -4,244.68 5,945,970.82 693,138.92 70°15'24.658 N 148°26'20.133 W 12,970.02 91.90 356.72 9,063.05 -2,487.97 -4,245.46 5,945,998.37 693,137.41 70°15'24.930 N 148°26'20.156 W 13,000.24 90.03 354.60 9,062.54 -2,457.84 -4,247.75 5,946,028.42 693,134.34 70°15'25.226 N 148°26'20.223 W 13,030.20 91.75 352.72 9,062.08 -2,428.07 -4,251.06 5,946,058.10 693,130.25 70° 15'25.519 N 148°26'20.320 W 13,059.77 93.75 352.16 9,060.66 -2,398.79 -4,254.94 5,946,087.26 693,125.60 70° 15'25.807 N 148°26'20.433 W 13,090.09 90.86 352.78 9,059.44 -2,368.76 -4,258.91 5,946,117.18 693,120.84 70° 15'26.102 N 148°26'20.549 W 13,120.65 92.15 357.38 9,058.63 -2,338.33 -4,261.53 5,946,147.52 693,117.43 70°15'26.401 N 148°26'20.626 W 13,157.00 92.15 357.38 9,057.27 -2,302.05 -4,263.19 5,946,183.75 693,114.82 70°15'26.758 N 148°26'20.675 W TD 9/13/2010 11:29:42AM Page 4 COMPASS 2003.16 Build 71 bp Date 01-08-2011 0 Transmittal Number:93175 BPXA WELL DATA TRANSMITTAL Enclosed are the materials listed below. (BPXA FIELD LOG DATA) If you have any questions, please contact Doug Dortch at the PDC at 564-4973 Delivery Contents 1 CD-ROM Containing Field Log Data & Electronic Log Prints for the following wells: 13-21A On) -OCo O (aal 05-08A 910-06-5- c3O(oc C-37B 960-GOO 00(a<" 18-10CPB1 aiO-110 dc(a35" 18-10C a10-t1 L ao6 ^ X-19BL2PB1 a4)-1o3 a°Coax G-29B aIO- (41/ ao(,(9q X-19BL2 2 to- lo3 ao(o,)b X-19BL2-01 a`U-iO'( c?O(oQ t K-11A ,c)/O-tj3 jC(og3 B-04APB1 ,"v- "}5, g_0Coi9 O 04-22AL1 0/0- , .i a0 oOD B-04A 910-0 015 JO614l 0- Please S' d Return one copy of this transmittal. Thank You, Doug Dortch Petrotechnical Data Center 1 s /40C-C9_ Attn: C s d In.rt'cft -e (it,mc-+-c 550 West 7th Avenue, Suite 802 Anchorage, Alaska 99501 Petrotechnical Data Center LR2-1 900 E. Benson Blvd. PO Box 196612 Anchorage,AK 99519-6612 0 a N E E g U » m N U l W m E n W f O1 .ii Up ipaQ Wg N . Q r e 2 Y r o c t N m QM u 0 y S NaeQ W 5. 4 � Q E`c o x J m 00............ d fA 4aip.aO.=aia a t7` ;-T W N N N N M.-.-N N M O O N O 0 OIM W MaSMMMMMOO W O 000.0,00000.01-N-0.- 0 • 4 I- _ 4114rti o- ! ® �J O I1 ■ � � N J J J 2 Z Z a N W N W O O 0 W W W W W 0 QCKM 2 Z Z Z KKOW KC Z Z L.0AD eoonvOa xoa $ g 00000 N U a 0$ oc q o o q o o > o W n 0 u n• W W N N 0- w Z M W mm00a33ooa o ,00 mmmmmaammmmmmm a 2 0 N Q S w J VCl rw V o 0 C N r O Y v r c y „, w U a W r'MmO MM wO O¢o II4 m 8,571,7g%',"; m .„ m Q 3 l J r2 0.8:2. J J Y Q R o W L O a A CUC C • E C w2-58 a▪3rZ wow V ara`a Jam ama __ n c V 05-08A CTD suspended work Page 1 of 2 Schwartz, Guy L (DOA) From: Schwartz, Guy L(DOA) Sent: Tuesday, June 15, 2010 4:40 PM To: 'Hoffman, Wilmer' Subject: RE: 05-08A CTD suspended work( PTD 210-055 and PTD 177-024) Wilmer, As we discussed the work done so far is covered under the Sundry 310-140 for the P &A of the mother wellbore ( PTD 177-024) . The basic scope of the P &A has not changed so no new sundries need to be submitted. If during the diagnostic work you see something that would change the P &A or how you drill the well we will need to sit down and discuss a plan for documenting any changes. Thanks, Guy Schwartz Senior Petroleum Engineer AOGCC 793-1226 (office) 444-3433 (cell) From: Hoffman, Wilmer [mailto:hoffmawj @bp.com] Sent: Tuesday, June 15, 2010 2:33 PM To: Schwartz, Guy L (DOA) Subject: 05-08A CTD suspended work Guy, As a follow up to our conversation, here is a summary of what we discussed for your records. Nordic Rig#1 rigged up on well 05-08 in preparation for performing a sidetrack(05-08A)out of the parent well's 9- 5/8" casing. This new sidetrack is covered under PTD#210055. The pre-rig work that was conducted was a cement P&A laid in by service coil which was covered under Sundry#310-140. Nordic Rig#1 moved in and milled a 3.80" pilot hole in the cement plug that was laid in pre-rig. A 3-5/8" open hole anchor and steel tray whipstock was set inside of the pilot hole to exit the 9-5/8"casing and proceed with drilling the new sidetrack. We attempted to exit the 9-5/8"and were unsuccessful. We came up hole and set another whipstock with the same configuration inside of the pilot hole. A second attempt at exiting the 9-5/8" proved to be unsuccessful as well. Both attempts showed evidence of staying inside of the parent well's 9-5/8" casing. Due to the failing attempts at getting departure from the parent well, the decision was made to move the rig off of 05-08 and proceed to the next well on the schedule. This will allow us to do some diagnostic work on the well prior to moving the rig back on it. We suspect that the whipstocks were pushed down hole during the window exit attempts but need to confirm this with diagnostic work. As you and I discussed, any screening work done to determine what occurred will be covered by the P&A sundry that was granted and referenced above. The new lateral was never started and therefore the PTD should still be valid for the proposed lateral (05-08A). Could you please respond acknowledging receipt and confirmation of our discussion as outlined above? Regards, 6/15/2010 05-08A CTD suspended work Page 2 of 2 WJH Operations Drilling Engineer Coiled Tubing Drilling BP (Exploration)Alaska, Inc. Direct 907.564.4592 Cell 907.250.2601 6/15/2010 a SEAN PARNELL, GOVERNOR O 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 05-08A BP Exploration (Alaska), Inc. Permit No: 210-055 Surface Location: 2428' FSL, 234' FWL, SEC. 32, T11N, R15E, UM Bottomhole Location: 713' FSL, 1056' FWL, SEC. 31, T11N, R15E, 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. • cerely, ' Daniel T. Seamount, Jr. Chair DATED this 2- ay of April, 2010. cc: Department of Fish 86 Game, Habitat Section w/o encl. (via e-mail) Department of Environmental Conservation w/o encl. (via e-mail) STATE OF ALASKA ALASV IL AND GAS CONSERVATION COMMIT )N RECEly=�. PERMIT TO DRILL 20 20 AAC 25.005 APR 2 6 k 7" 1 a.Type of work: lb.Proposed Well Class: 0 Development Oil ❑Service-Winj ❑Single Zone 1 c. Specify if well is proposed for: ❑ Drill 0 Redrill ❑ Stratigraphic Test ❑Development Gas ❑Service-Supply ❑Multiple Zone ❑Co�b dd�gj 011 ❑ Re-Entry ❑ Exploratory ❑Service-WAG ❑Service-Disp 1135 8 U� ��- as 2. Operator Name: 5.Bond: 0 Blanket ❑Single Well 11. Well Name and um.e t.. BP Exploration(Alaska)Inc. Bond No. 6194193 PBU 05-08A 3. Address: 6. Proposed Depth: 12.Field/Pool(s): P.O. Box 196612,Anchorage,Alaska 99519-6612 MD 13830' TVD 8982'ss Prudhoe Bay Field/Prudhoe 4a. Location of Well(Governmental Section): 7. Property Designation(Lease Number): Bay Oil Pool Surface: ADL 028326&028329 2428'FSL,234'FWL, SEC. 32,T11N, R15E, UM --•—• Top of Productive Horizon: 8. Land Use Permit: 13. Approximate Spud Date: 1317'FNL, 3575'FEL, SEC.06,T1ON, R15E, UM June 1,2010 Total Depth: 9.Acres in Property: 14.Distance to Nearest Property: 713'FSL, 1056'FWL, SEC.31,T11N, R15E, UM 2560 29,672' 4b. Location of Well(State Base Plane Coordinates-NAD 27): 10.KB Elevation above MSL: 64' feet 15.Distance to Nearest Well Open Surface: x- 697316 y-5948597 Zone- ASP4 4 GL Elevation above MSL: feet to Same Pool: 1,035' 16.Deviated Wells: Kickoff Depth: 11315 feet "17.Maximum Anticipated Pressures in psig(see 20 AAC 25.035) Maximum Hole Angle: 92 degrees 'l Downhole: 3243 - Surface: 2365 18. Casing Program: 1 Specifications Top-Setting Depth-Bottom Quantity of Cement,c.f.or sacks Hole Casing Weight , Grade Coupling Length MD ND MD ND (including stage data) 4-1/8" 3-1/2"x 3-3/16" 9.3#/6.2# L-80 STL/TCII 2830' 11000' 8614'ss 13830' 8982'ss 155 sx Class'G' x 2-7/8" /6.16# 19. PRESENT WELL CONDITION SUMMARY(To be completed for Redrill and Re-entry Operations) Total Depth MD(ft): Total Depth TVD(ft): Plugs(measured): Effective Depth MD(ft): Effective Depth ND(ft): Junk(measured): 11860' 9227' None 11662' 9097' 11566' Casing Length Size Cement Volume MD ND Conductor/Structural 109' 20" 224 sx Arcticset 109' 109' Surface 2733' 13-3/8" _5000 sx Arcticset 2733' 2733' Intermediate _ Production Liner 11837' 9-5/8" 1200 sx Class'G'.300 sx Arcticset 11837' 9212' &787 sx Class'G'(Tieback) Perforation Depth MD(ft): 11528'-11640' Perforation Depth ND(ft): 9010'-9083' 20.Attachments: ❑ Property Plat 0 BOP Sketch 0 Drilling Program ❑Time vs Depth Plot ❑Shallow Hazard Analysis ❑Diverter Sketch ❑Seabed Report 0 Drilling Fluid Program 0 20 AAC 25.050 Requirements 21. Verbal Approval: Commission Representative: Date: 22. I hereby certify that the foregoing is true and correct. Contact Wilmer Hoffman,564-4592 Printed Name Joh _ c it teen 1/; Title Engineering Team Leader f / Prepared By Name/Number Signature e-7/Z.564-4711 Date IA Terrie Hubble,564-4628 Commission Use Only 111 Permit To API Number: Permit r v Da e: See cover letter for Number: ..?/O CS 50-029-20248-01-00 l��p 1 1 U 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 Other: 3560 /Qs /30? I @s+- Samples Req'd: ❑Yes ICJ No Mud Log Req'd: ❑Yes pJ No ,4' ZsO�o s- /ILK T7 (ys,�ry) HZS Measures: Er Yes ❑No Directional Survey Req'd: 'Yes ❑No Ze /© APPROVED BY THE COMMISSION !� Date ,COMMISSIONER Form 10-401 Revised 07/2009 This permit is valid for 24 months from the date of approval(20 AAC 25.005(g)) Submit In Duplicate OR\ G\NPL .- Y27,o DS 05-08A - Coiled Tubing v.filling To: Chairperson Alaska Oil & Gas Conservation Commission brIO �From: Wilmer Hoffman CTD Engineer Date: April 19, 2010 Re: 05-08A Application for Permit to Drill Request CTD Drill and Complete 05-08A program: Spud in June 1, 2010 Pre-Rig Work: (scheduled to begin May 1, 2010) 1. S Drift and tag fill (done on 12/16/09) 2. F Function LDS, PPPOT-T, PPPOT-IC (passed on 1/14/10) 3. S Dummy off GLVs#1 and#2 (done on 1/21/10) 4. F MIT-IA to 3,000 psi (passed on 1/22/10) 5. F MIT-OA to 2,000 psi (failed on 1/26/10) 6. D MIT-OA with nitrogen to 500 psi (passed on 1/31/10) 7. C Mill out XN Nipple at 11,034' to 3.80" 8. C Set 40 bbl, 17 #/gal cement plug in 9-5/8" up to tubing tail 9. C Freeze protect the well and thoroughly wash the tree 10. C MIT-T to 1,000 psi for 30 mins 11. 0 Bleed wellhead pressures down to zero. 12. 0 Bleed production flow lines and GL lines down to zero and blind flange (c,4 13. 0 Remove wellhouse, level pad /` Rig Work: (scheduled to begin around June 1, 2010) 1. MIRU and test BOPE to 250 psi low and 3,500 psi high. 2. Drill 3.8" pilot hole and cement ramp from top of cement at 11,118' down to 11,350'. 3. Mill 3.8" window at 11,300' and 10' of rathole in Zone 2. Swap the well to Geo-Vis.. 4. Drill Build: 4.125" OH,400' (35 deg/100 planned) 5. Drill Lateral: 4.125" OH, 2,130' (12 deg/100 planned) with resistivity . 6. Run 3-1/2" x 3-3/16" x 2-7/8" tapered L-80 liner leaving TOL at 11,000' . 7. Pump primary cement leaving TOC at 11,000', 32 bbls of 15.8 ppg liner cmt planned • Y 8. Cleanout liner and MCNIJGR/CCL log • Fri) 9. Test liner lap to 2,000 psi. 10. Perforate liner per asset instructions (-800') • 11. Set liner top packer • 12. Freeze protect well, set BPV, RDMO. - Post-Rig Work: 1. Re-install wellhouse, flowline and pull BPV. 2. Generic GLV's 3. Test separator 19 April 2010 DS 05-08A — Coiled Tubing ',filling Mud Program: • Well kill: 8.6 ppg seawater/ brine • Milling/drilling: 8.6 ppg Geo-vis or biozan for milling, new Geo-vis for 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: 4-1/8" Casing Program: • 3-1/2", 9.3#, L-80, STL 11,000' MD— 11,250' MD • • 3-3/16", 6.2#, L-80, TC-II 11,250' MD— 11,800' MD • • 2-7/8", 6.16#, L-80, STL 11,800' MD - 13,830' MD • A minimum of 32 bbls of 15.8 ppg cement will be used for liner cementing. (TOC 11,000'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 2,500 psi. Directional • See attached directional plan. Maximum planned hole angle is 92 deg. . • Magnetic and inclination surveys will be taken every 30 ft. No gyro will be run. • Distance to nearest property line—29,672' Southwest • Distance to nearest well within pool — 1035' (05-22B) • Anticollision Summary • DS 02-03: center to center distance of 571.71 ft ; status—abandoned • DS 02-03A: center to center distance of 387.20 ft ; status—plug back for re-drill Logging • MWD directional and Gamma Ray will be run over all of the open hole section. • A cased hole GR/CCL/CNL log will be run. Hazards • The maximum recorded H2S level on DS 05 is 580 ppm on well 05-09A (06-25-1998). • Lost circulation risk is low. One small fault crossing expected between 13,165'— 13,250'. Reservoir Pressure • Reservoir pressure is estimated to be 3,243 psi at 8,800'ss (7.1 ppg EMW). • Maximum surface pressure with gas (0.10 psi/ft) to surface is 2,365 psi. Wilmer Hoffman CTD Engineer 19 April 2010 DS 05-08A — Coiled Tubing filling TREE= CAN I WELLHEAD= FMC 5M 05-08 SAFETYNOTES: "'CHROME TUG"' ACTUATOR= BAKER C ...................................................................... KB.ELEV= 64' BF.ELEV= ? I 'i Kpp= __? .. ' 2124' —14-112"HES X NIP,ID=3.813" Max Angle= 52'CO 6400' t. 2338' ��9-518"HALCO FOC Datum MD= 11300' .. Datum TVD= 8800'SS �' •. I 240W H9-518"HES CEMENTER 9-5r8"CSG,47#,L-80 HYD 563,ID=8.681" ,- 2420' 4 L 9-5/8"BOT CSG PATCH,ID=9.725" H 2424' 2461' —19-518"HALLO FOC GAS LIFT MANDRELS ST MD TVD DEV TYPE VLV LATCH PORT DATE 13-318"CSG,72#,MN-80 BUTT,ID=12.347" 2733' l 2 3572 3554 20 MMG DOME RK 16 07130/08 1 6920 6038 51 MMG SO RK 22 07/30108 Minimum ID=3.725"I(4 11034' I 10896' 1H4-112"HES X NIP,ID=3.813" I 4-112" HES XN NIPPLE _, ><- 1 10927' —19-5/8"X 4-112"BKR S-3 PKR,ID=3.875" I 10962' h4-112'HES X NIP,ID=3.813" I 11034' —14-1/2"HES XN NIP,ID=3.725" 4-1/2"TBG STUB H 11070' 4-112"TOG,12.6#,1]CR-10 VAM TOP, —I 11080' I---- 11081' 1-{9-51'8"X 4-1/2"UNIQUE OVERSHOT I .0152 bpf,ID=3.958" '41 X 11109' —I9-50 X 4-1/2"BKR S-3 PKR,ID=3.875" 4-112"TOG,12.6#,L-80 OTC-M, — 1111W ELM Imo- 1 11118'ELM HJET CUT TAILPIPE(06105/09) .0152 bpf,ID=3.958" PERFORATION SUMMARY REF LOG: BHCS ON 06/26/77 ANGLE AT TOP PERF: 50'@ 1 1351' Note:Refer to Production DB for historical pert data SIZE SPF INTERVAL OpnlSgz DATE -- -- 11351-11385 S 11/16/77 I -- -- 11400-11420 S 11/16/77 -- -- 114 40-11450 S 11/16177 4" 4 114 50-11460 S 11/17/88 I -- -- 11482-1151 6 S 11106/77 4" 4 11516-11532 S 05/04100 3-3/8" 6 11528-11534 0 05/22/03 3 3/8" 4 11568-11590 S 11126/87 4" 4 11589-11630 S 11/17/88 — 3 3/8" 4 11610-11640 0 05/1 3/00 I • ji?" 11566' FISH:JET CUT TT wPNRP(TAGGED 06/11/09) IPBTD I 11662' ►•J►'P+'►0434ti'+'PP$ N+►►►++NHI►• 9-5/8"CSG,47#,J&L 95 -80 BUTT,ID=8.681" H 11837' ►++++++++++++++ N ITD - 11860' ..•..►:.S4 0. DATE REV BY COMMENTS DATE REV BY COMMENTS PRUDHOE BAY UNIT 0710487_PKR 141 ORIGINAL COMPLETION 09/26/08 HWIJDM DRLG DRAFT CORRECTIONS WELL: 05-08 0917111 N1E3 RWO 10/20/08 PJC DRAWING CORRECTIONS PERMIT No: 1 770240 11121 MN WSR-1 RWO 06/05/09 RRD/TLH JET CUT TT,TAGGED 6/1 1/09 API No 50-029-20248-00 1205197 O14 i RWO SEC 32,T1 1 N,R15E,2428'FSL&233'FWL 0712211 D14 RWO 08102108 JCMJPJC FISH /GLV CO(07130/08) BP ExpIorstion(AI. ko) 19 April 2010 DS 05-08A — Coiled Tubing L.,.Illing TREE= CPA/ 08 WELLHEAD= FMC 5M SAFETYNOTES: '••CHROMET9G"• ...................................................................... ACTUATOR= BAKER C KB.ELEV= 64' Proposed CTD Sidetrac' BF.ELEV= ? I • r•0 KOP ................................._...............? V I 2124' I—{4-112'HES X NIP,ID=3.813" Max Angle= 52'q 6400' ri .................._..... ............... 1 Datum MD= 11300' • I, I 2338' H9-58"HALCO FOC j ..................................................................... Datum TVD= 8800'SS • 'I' II; 2408' —19-5/8"-19-5/8"HES CEMENTER • 9.5/8"CSG,47#,L-80 HYD 563,ID=8.681" H 2420' • 9-5/8"BOT CSG PATCH,ID=9.725" —I 2424' I 2461 I-19-518"HALLO FOC 13-3/8"CSG,72#,MN-80 BUTT,ID=12.347" H 2733' Ir Minimum ID=2.30"CI 11000' 10896' IH4-1/2"HESX NIP,ID=3.813" j 3-3116"TOL '=, 13113 10927' H9-58"X 4-112"BKR S-3 PKR,ID=3.875" I 10962' I-4-12"HESX NIP,ID=3.813" I 1 10990' —14-12"BKR KB LTP ID=2.375" 51° I 11000' I—ITOL,TOC ID=2.30" 1 4-1/2"TBG STUB H 11070' i 11034' —14-1n"HES XN NIP,ID milled to =3.30" I 4-1/2"TB0,12.6#,1]CR-00 VAM TOP, H 11080' I 1 11081' 1H9-5/8"X 4-12"UNIQUE OVERSHOT I .0152 bpf,ID=3.958" '=, 1.41 11109' —19-5/8"X 4-12"BKR S-3 PKR,ID=3.875" 4-12"1E10,12.6#,L-80 BTC-M, — 11118'ELM 1 11118'ELM I—IJET CUT TAILPIPE(06A5A9) I .0152 bpf,ID=3.958" I i PERFORATION SUMMARY REF LOG: BHCS ON 0626/77 I / 11200' I-13-12"x 3-3-16"XO ANGLE AT TOP PERF: 50'@ 11351' Note:Refer to Production DB for historical perf data SIZE SPF INTERVAL Opn/Sgz DATE -- -- 11351 -11385 5 11116177 11300' ]-13-5/8"Whipstock I -- -- 11400-11420 S 11116177 11440-11450 S 11116/77 1`, t,t 11800' H3-3116 x 2-7/8 N-over I BCGL 11300' 4" 4 11450-11460 S 11117/88 -- -- 11482-11516 S 11/06177 .31 1 ,----1 4" 4 11516-11532 S 05/04/00 3-3/8" 6 11528-11534 0 052203 , 13-12"x 3-3116"x 2-78"liner H 13830' 1 3 38" 4 11568-11590 S 112687 4" 4 11589-11630 S 11/1788 3 38" 4 11610-11640 O 05/13/130 ' 3.80"OD pilot hole down to—11350' • - I 11566' —FISH:JET CUT TT w/WRP(TAGGED 06/11/09) I IPBID I— 11662' r�y:•:rr�•:r••►9:/••rg rrrrrr••r•rrrr� 9-58"CSG,47#,J8L95/N-80 BUTT,ID=8.681" H 11837' rrr•rrrrrrrrrrr rirciriiiiriri�i�r�i 4.i#14'4 V rr$,$,•4 M ITDI— 11860' •:r ir:•ilr:::r.•: DATE REV BY COMMENTS DATE REV BY COMMENTS PRUDHOE BAY UNIT 0710417 PKR 141 ORIGINAL COMPLETION 0926/08 HW/JDM DRLG DRAFT CORRECTIONS WELL 05-08. 0910X!] NI ES 1UNO 1020/08_ PJC DRAWING CORRECTIONS PERMIT No: 11Il11II WS R-1 IMMO 06/0509 RRD/TLH JET CUT TT,TAGGED 6/11/09 API No 50-029-20248-01• 12IMS197 016 RWO 0126/10 MSE PROPOSED CTD SIDETRACK SEC 32,T11N,R15E,2428'FSL&233'FWL 07(12106 016 MVO _ 08/02/08 JCMrPJC FISH /GLV C/O(07/30/08) BP Exploration CAW Wm) 19 April 2010 DS 05-08A — Coiled Tubing filling All Measurements are from top of Riser 3/10/2010 (1) CC 05-O8A top of bag BAG 7 1/16" 5000 psi bttm of bag middle of blind/shears I Blind/Shears TOTs 2 3/8" combi ram/slips 7 1/16" 5000 psi middle of pipe/slips middle of flow cross Mud Cross Mud Cross 7 1/16" 5000 psi middle of rams 2 3/8" x 3 1/2" VBR's TOTs I 2 3/8" combi ram/slips 71/16" 5000 psi I middle of pipe/slips 1 Swab Valve Flow Tee 19 April 2010 • II " 0 0 0 0 o N. 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O O 8 O IA N O o g G 8 g aaoaa i � D 838 8 M N s g 1 N — o ID ,:1 'o $ = o s = g 8 s s g s 8 a s s 1 1 3 1`4 (uvu ow I�(+)qu0N/(-)LDnOs (6u 6191I0p o08ue6)800'49 @ 64.0E 666 L/9 L/L 80:6L r - /IR BPPASSPORT BAKER p Travelling Cylinder Report INTEQ Company: North America-ALASKA-BP Local Co-ordinate Reference: Well 05-08-Slot 08 Project: Prudhoe Bay TVD Reference: 19:08 7/16/1999 10:49 @ 64.00ft(generic drilling rig) Reference Site: PB DS 05 MD Reference: 19:08 7/16/1999 10:49 @ 64.00ft(generic drilling rig) Site Error: 0.00ft North Reference: True Reference Well: 05-08 Survey Calculation Method: Minimum Curvature Well Error: 0.00ft Output errors are at 1.00 sigma Reference Wellbore Plan 6,05-08A Database: EDM.16-Anc Prod-WH24P Reference Design: Plan 6 Offset TVD Reference: Offset Datum Reference Plan 6 Filter type: GLOBAL FILTER APPLIED:All wellpaths within 200'+100/1000 of refer Interpolation Method: MD Interval 25.00ft Error Model: ISCWSA Depth Range: 11,300.00 to 13,830.00ft Scan Method: Tray.Cylinder North Results Limited by: Maximum center-center distance of 1,580.00ft Error Surface: Elliptical Conic Survey Tool Program Date 4/12/2010 From To (ft) (ft) Survey(Wellborej Tool Name Description 603.00 12,160.10 1 :Camera based mag multi sho(05-08) CB-MAG-MS Camera based mag multi shot 95.50 11,300.00 2:Gyrodata cont.drillpipe m/(05-08) GYD-CT-DMS Gyrodata cont.drillpipe m/s 11,300.00 13,830.00 Plan 6(Plan 6,05-08A) MWD MWD-Standard Casing Points Measured Vertical Casing Hole II Depth Depth Diameter Diameter 1 (ft) (ft) Name (in) (in) 13,830.00 9,044.65 3 3/16" 3.188 4.125 Summary Reference Offset Centre to No-Go Allowable Measured Measured Centre Distance Deviation Warning Site Name Depth Depth Distance (ft) from Plan Offset Well-Wellbore-Design (ft) (ft) (ft) (ft) PB DS 01 01-19-01-19B-01-19B 11,390.00 11,660.00 732.02 724.86 187.51 Pass-Major Risk PB DS 02 02-03-02-03-02-03 13,786.33 11,372.00 571.71 756.08 -148.28 FAIL-Major Risk 02-03-02-03A-02-03A 12,850.00 12,180.00 387.20 722.09 -334.81 FAIL-Major Risk PB DS 05 05-04A-05-04A-05-04A Out of range 05-07-05-07-05-07 Out of range 05-08-05-08-05-08 11,348.34 11,350.00 1.90 5.86 -1.06 FAIL-Major Risk 05-09A-05-09A-05-09A Out of range 05-10-05-10A-05-10A Out of range 05-20-05-20-05-20 Out of range 05-20-05-20A-05-20A Out of range 05-20-05-20B-05-20B Out of range 05-20-05-20B-05-20B wp06 shallow K/O Out of range 05-20-05-20PB1 -05-20PB1 Out of range 05-22-05-22-05-22 Out of range 05-22-05-22B-05-22B 12,564.92 12,917.00 1,084.71 298.51 797.54 Pass-Major Risk 05-22-05-22B-Plan#6 Out of range 05-25-05-25A-05-25A 13,161.55 11,916.00 1,015.90 250.50 767.35 Pass-Major Risk 05-25-05-25A-DEAP Defin 13,161.93 11,916.00 1,018.96 292.17 733.60 Pass-Major Risk 05-25-Plan 3,5-25C-Plan 3 13,727.44 11,625.00 518.38 225.49 300.56 Pass-Major Risk 05-41 -05-41 -05-41 Out of range 05-41 -05-41A-05-41A Out of range 05-41 -05-41A-Plan#6 Out of range CC-Min centre to center distance or covergent point,SF-min separation factor,ES-min ellipse separation 4/16/2010 2:42:02PM Page 2 of 11 COMPASS 2003.16 Build 71 Alaska Department of Natural sources Land Administration System Page 1 of I Alaska Mapper Land Records/Status Plats Recorder's Search State Cabins Natural Resources Alaska DNR Case Summary File Type: ADL File Number: 28326 Printable Case File Summary See Township, Range, Section and Acreage? @ Yes 0 NO New Search LAS Menu I Case Abstract I Case Detail I Land Abstract File: ADL 28326 maP__ Search for Status Plat Updates As of 04/27/2010 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: 2491.000 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: O11N Range: 015E Section: 29 Section Acres: 640 Search Plats Meridian: U Township: 011N Range: 015E Section: 30 Section Acres: 604 Meridian: U Township: 011N Range: 015E Section: 31 Section Acres: 607 Meridian: U Township: 011N Range: 015E Section: 32 Section Acres: 640 Legal Description 05-28-1965 ***SALE NOTICE LEGAL DESCRIPTION*** C14-156 T11N-RI5E-UM29,30,31,32 2491.00 U-3- 7 End of Case Summary Last updated on 04/27/2010. http://dnr.alaska.gov/prof ects/las/C as e_Summ ary.cfm?FileType=ADL&FileNumber=2 83 2... 4/27/2010 Alaska Department of Natural " -sources Land Administration System Page 1 of/ Alaska Mapper Land Records/Status Plats Recorder's Search State Cabins Natural Resources Alaska DNR Case Summary File Type: ADL File Number: 28329 1 Printable Case File Summary See Township, Range, Section and Acreage? ( New Search CS) Yes 0 No LAS Menu I Case Abstract I Case Detail I Land Abstract File: ADL 28329 Search for Status Plat Updates As of 04/27/2010 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: 2501.000 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: O10N Range: 015E Section: 05 Section Acres: 640 Search Plats Meridian: U Township: O10N Range: 015E Section: 06 Section Acres: 609 Meridian: U Township: 010N Range: 015E Section: 07 Section Acres: 612 Meridian: U Township: O10N Range: 015E Section: 08 Section Acres: 640 Legal Description 05-28-1965 ***SALE NOTICE LEGAL DESCRIPTION*** p C14-159 T1ON-R15E-UM 5,6,7,82501.00 U-3- 7 End of Case Summary Last updated on 04/27/2010. http://dnr.alaska.gov/projects/las/Case Summary.cfm?FileType=ADL&FileNumber=2832... 4/27/2010 TRANSMITTAL LETTER CHECKLIST WELL NAME O$i/OS 07.4 PTD# o2/00S Development Service Exploratory Stratigraphic Test Non-Conventional Well FIELD: "24-,/,44&.x"3 Qy POOL: ,1 3e/,p,DE7C4/ 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(f), all records, data and logs acquired for the pilot hole must be clearly differentiated in both well name ( PH) and API number (50- - - ) from records, data and logs acquired for well SPACING The permit is approved subject to full compliance with 20 AAC EXCEPTION 25.055. Approval to 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. Rev: 1/11/2008 U) M 0) 0 a) 0- M co a) 0 o z,-, - - 7 )) c Q c O 0 0 _0 L w U) E p 0) O a E O c ° m °D o) L o ui '3 a` ) = -o To — O c1oo a N _ co o C a) 00 a3 O 0 00 a 0 0 °N ° m a an a c a) m L?) ° a) a � °o 3 F J a) N O v M ° O co z O 0 N 0 C . O C E L) co 3 0 ° a LL a a r (n c) -o — Z LL M p M o mCO 0 `U C Q -� m V m C CO O C cn c ui 0 rNi n CD M O co 0 Q a E u as 2 O ° c o 0 0 _ 3 0 a' V a) N C N a CL N > LU CO 12• DU CD E - M > u) O N 0 co -o L_ co > O 0 C d CO C M U C 0 u) '0 a M C 0 ■ co o) To E. 3 T as c D- o to O "O N. 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