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Home My WebLink About210-081 STATE OF ALASKA •LASKA OIL AND GAS CONSERVATION COMMISSI N REPORT OF SUNDRY WELL OPERATIONS 1. Operations Performed Abandon ❑ Plug Perforations ® Fracture Stimulate ❑ Pull Tubing 0 Operations shutdown 0 Suspend 0 Perforate ® Other Stimulate 0 Alter Casing 0 Change Approved Program 0 , Plug for Redrill 0 Perforate New Pool 0 Repair Well 0 Re-enter Susp Well 0 Other: G'18 it n 2. Operator Name: BP Exploration(Alaska),Inc 4. Well Class Before Work 5. Permit to Drill Number: 210-081 3. Address: P.O.Box 196612 Anchorage, Development 0 Exploratory 0 AK 99519-6612 Stratigraphic 0 Service ❑ 6. API Number: 50-029-22168-02-00 7. Property Designation(Lease Number): ADL 0028326 8. Well Name and Number: PRUDHOE BAY UNIT 05-33B 9. Logs(List logs and submit electronic and printed data per 20AAC25.071): 10. Field/Pools: PRUDHOE BAY,PRUDHOE OIL 11.Present Well Condition Summary: Total Depth: measured 11320 feet Plugs measured See Attachment feet RECEIVED true vertical 8979 feet Junk measured feet Effective Depth: measured 9475 feet Packer measured 8469 feet APR 0 4 2017 true vertical 8912 feet Packer true vertical 8085.87 feet AOGCC Casing: Length: Size: MD: TVD: Burst: Collapse: Structural Conductor 78 20"91.5#H-40 28-106 28-106 1490 470 Surface 3862 9-5/8"36#J-55 28-3890 28-3797 3520 2020 Intermediate 8727 7"26#L-80 26-8753 26-8352 7240 5410 Production Liner 2735 4-1/2"12.6#L-80 8583-11318 8193-8979 8430 7500 Perforation Depth: Measured depth: 8743-8773 feet feet 9985-10185 feet 10385-10945 feet 11075-11195 feet True vertical depth: 8342-8371 feet feet 8969-8975 feet 8980-8985 feet 8984-8981 feet Tubing(size,grade,measured and true vertical depth) 4-1/2"12.6#13Cr85 26-8589 26-8197 Packers and SSSV(type,measured and See Attachment See Attachment See Attachment true vertical depth) 12.Stimulation or cement squeeze summary: Intervals treated(measured): $CANNEE1 MAY 1 8 2017 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: 536 45950 0 500 1445 Subsequent to operation: 751 239 0 480 1417 14.Attachments:(required per 20 AAC 25.070.25.071,a 25.283) 15.Well Class after work: Daily Report of Well Operations 121 Exploratory 0 Development RI Service 0 Stratigraphic 0 Copies of Logs and Surveys Run 0 16.Well Status after work: Oil I1 Gas ❑ WDSPL 0 Printed and Electronic Fracture Stimulation Data ❑ GSTOR ❑ WINJ 0 WAG 0 GINJ 0 SUSP 0 SPLUG 0 17.I hereby certify that the foregoing is true and correct to the best of my knowledge. Sundry Number or N/A if C.O.Exempt: N/A Contact Catron,Garry R(Wipro) Email Garry.Catron@bp.com Printed Name Catron,Garry R(Wipro) Title PDC Principal Engineer Signature 1J Phone +1 907 564 4424 Date 4/3/17 Form 10-404 Revised 5/2015 #.917 )717.— /l0 / RBDMS \\, A" - 5 2017 Submit Original Only • i Plugs Attachment PRUDHOE BAY UNIT 05-33B SW Name Date MD Description 05-33B 03/15/2017 9475 4-1/2"WFD CIBP 05-33B 06/12/2013 11055 4-1/2" HES CIBP 05-33B 06/02/2012 11199 4-1/2" HES CIBP • • • Packers and SSV's Attachment PRUDHOE BAY UNIT 05-33B SW Name Type MD TVD Depscription 05-33B TBG PACKER 8469.42 8085.87 4-1/2" HES TNT Perm Packer 05-33B PACKER 8594.34 8202.78 5" Baker ZXP Top Packer 0 0 a _I O 0 0 / 2 / / 7«ƒ % 0 i E II L I I- \ / 0 0_in o u \ 0 k � 0 ƒ II e 0 0 LLIƒ < q Uj. d / 0 7 I e L a II < / E_ (I) Od2 Id „ A 2 U R o e 2 CC Z 0 \ i O / \ o_ E 0_ 10 2 co \ / / 3' / / w O / U) / E / ƒ $— bH / @ * \ 0 0 . G / ƒ � \ z U I / L D 0 CCI I F__:- EtH cob 't W k / I II± O / E O. i / 2 O \ p / / fh i / ms / /� 22e \ R M 0 0 0 _1 R 2 < _i 9r CC22 UU > $ 2 003 � U � / / / � / H- � _ = aCC » 2022 / ƒ \ emu 79 / / LiA ¥ E z < R \ iiLpIIU E 0 �� 2 / ± ¢ \ m / \ \ O R I co I < ± Z - & 2 3 I ® (0 O w O 0 \ -1 / 5 / / f / f $ / \wE \ / t -1 II m CC Il I < ± t Z L H < ~ O ° \ t coco 0 < I HI±'= FMC III • FMC 0, 3 3 B SAFET NOTES: WELL ANGLE>TO"@ 9491'. ACTUATOR= AXELSON MAL KB.EEE 70' BF.EEEV= N/A KOP= 2873' I Max Angle= 93°@ 11135' , ' [ 2226' 1-14-1/2 FES X NP ID-3.813" 1 (tum MD= 9371 (tum ND= 8800'SS GAS LFT MANDREES ST MD ND DEV TYPE VLV LATCH PORT DATE 4 34943456 27 KBG2 DOME BK 16 08/15/10 L 3 5227 5020 19 KBG2 SO BK 20 08/15/10 Minimum ID = 3.725" @ 8576' 2 6421 6149 20 KBG2 DMY BK 0 08/12/10 4-1/2" HES XN NIPPLE 1 7203 6883 20 KBG2 CMY BK 0 08/12/10 MLLOUT WIPDOW(05-33B) 3890'-3907' 7"GEN I WI STOCK(07/28/10) H 3890' 9-5/8"CSG,36#,K-55/J-55,D=8.921 H 3907' 'F.77, ' 7"EZSV(07/28/10) H 3908' ' [ 8439' ]—[4 1/2 HES X NP,D=3.813"j x— 8469' --17"X 4-1/2"FES THE PKR,ID=3.856" ' [ 8606' 141/2"1 IM X NIP,D=3.813" 1 8576' --14-1/2"FES XN NP,ID=3.725" /� 8583' 7"X 5'HRD-E ZXPN LTP w/BKR FLEX LOCK HGR D=420" 4-1/2"TBG,12.6#,13CR-85 VAM TOP HC,.0158 bpf,ID=3.958" --1 8588' 8588' —14-1/2"SM FG,I)=3 958" 8609' -15'X 4-1/2"XO,D=3.920" 7"CSG,26#,L-80 VAM TOP-HC,.0383 bpf.D=6.276" 8763' PERFORATION SUMMARY 19476'ELMD ]--14-1/2"WFD GBP(03/14/17)1 REF LOG:SLB MWD GR 08/09/10 11 ANGLE AT TOP FERE: 19"@ 8743' Nate:Refer to Production CO for historical perf data SIZE SPF INTERVALOpn/Sqz SHOT SQZ 2-7/8" 6 8743-8773 0 03/14/17 2-7/8" 6 10000- 10200 C 08/11/10 11055' ELMD —4-1,2"FES pBP(06t11/13) 2-7/8" 6 10400-10960 C 08/11/10 2-7/8" 6 11090-11210 C 08/11/10 11199'ELMD —14-1/2"HES CUP(06/01/12) L_PBTD 1-1 11236' • i•i•i•i 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. a_1 D - ogi Well History File Identifier Organizing(done) ,Two-sided III II11II IIU II III ❑ Rescan Needed III 11E11111 111111 RESCAN DIGITAL DATA OVERSIZED (Scannable) > C for Items: ❑ Di ettes, No. ❑ Maps: Greyscale Items: Other, No/Type: C.. 1440* t, ❑ Other Items Scannable by a Large Scanner ❑ Poor Quality Originals: OVERSIZED (Non-Scannable) ❑ Other: ❑ Logs of various kinds: NOTES: ❑ Other:: , BY: AMP Date: /s/ Project Proofing II I 111111111011111 BY: Caria ) Date: i 1 a4 ) cf. lsl Dif Scanning Preparation a, x 30 = i N + J s = TOTAL PAGES 76-* (Count does not include cover sheet) IA • BY: Maria Date: /s/ Production Scannin g III IIIIIIIIII 11111 Stage 1 Page Count from Scanned File: ' w (Count does include cove eet) Page Count Matches Number in Scanning Preparation: YES NO BY: 4112W Date: I •4. J 1 4 ts/ 'rip Stage 1 If NO in stage 1, page(s) discrepancies were found: YES NO BY: Maria Date: /s/ Scanning is complete at this point unless rescanning is required. III II II II I II II ll III ReScanned 1 11111 BY: Maria Date: /s/ Comments about this file: Quality Checked I o c o .6 p z csi co ra _U -0 0 CV a a) g ii Z 0 0 o CI O g Z m~ CV cc g Z 111 � �C m c 03(.9 c c - 2o O J i i 0 C 0 45 v—i- U` Z � y'" m E d >, aaX CL �W _j0 O 0 E J C E J C >X= > Q Z W >0 Z i 0 a a0 a m 0_a_ U� w F. n 2Uco 20cn _� Z f- 2 a c o V E 0 0 0 0 0 0 0 O 0 o Q. d o 0 0 0 0 J W V N N N N N ....NC' N 0 O Q 00 Ct O CO W co 00 V Z J ,-- r r V- a- N NI 13 E c 7 0 a) a) C C C C C ) a) E QQ _ = N N a) a) Cl) a) N w u) E CO c 0 0 m m a a a a a a CO E Ce 0 O O O O O U 0 o� a) 0 N c o v. 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O C5NVC,5' Ce O a v W w J > U m a z o 0 ur o c m a N o J 0 m 2 /� co i, co li N c CO• `o i 0 LL G N a a E U N U CD ■ m a M in O E 0 5 Z O G = N CO m a0 CO 0 a) I V 2 O U Q o a a) Q Z o we Q d U E co Z u 1 rn h- a) co Z • O �� I Q C.,-) m Z d o N o a, 0) F... N a �. Z ra a) c ti I U � ? E a�,a� E a 41 a 2 Q U< 1 0 U STATE OF ALASKA 4 w A. .KA OIL AND GAS CONSERVATION COMbr,__,ION REPORT OF SUNDRY WELL OPERATIONS 1.Operations Abandon LJ Repair Well U Plug Perforations U Perforate U Other U Performed: Alter Casing ❑ Pull Tubing❑ Stimulate-Frac ❑ Waiver ❑ Time Extension❑ Change Approved Program ❑ Operat.Shutdown❑ Stimulate-Other ❑ Re-enter Suspended Well❑ 2.Operator 4.Well Class Before Work: 5.Permit to Drill Number: Name: BP Exploration(Alaska),Inc Development El Exploratory ❑ 210-081-0 3.Address: P.O.Box 196612 Stratigraphic❑ Service ❑ 6.API Number: Anchorage,AK 99519-6612 50-029-22168-02-00 ' 7.Property Designation(Lease Number): 8.Well Name and Number: ADL0028326 PBU 05-33B • 9.Logs(List logs and submit electronic and printed data per 20AAC25.071): 10.Field/Pool(s): . To Be Submitted PRUDHOE BAY,PRUDHOE OIL 11.Present Well Condition Summary: Total Depth measured 11320 feet • Plugs measured 11199,11055 feet true vertical 8978.69 feet Junk measured None feet Effective Depth measured 11055 feet Packer measured 8469 feet true vertical 8984.41 feet true vertical 8085.48 feet Casing Length Size MD TVD Burst Collapse Structural None None None None None None Conductor 80 20"91.5#H-40 35-115 35-115 1490 470 Surface 3857 9-5/8"36#K-55 33-3890 33-3796.63 3520 2020 Intermediate None None None None None None Production 8727 7"26#L-80 26-8753 26-8351.93 7240 5410 Liner 2740 4-1/2"12.6#L-80 8578-11318 8187.5-8978.72 8430 7500 Perforation depth Measured depth 9984.5-10184.5 feet 10384.5-10944.5 feet 11074.5-11194.5 feet True Vertical depth 8968.59-8975.44 feet 8979.94-8984.55 feet 8984.15-8980.7 feet Tubing(size,grade,measured and true vertical depth) 4-1/2"12.6#13CR85 29-8588 29-8196.85 Packers and SSSV(type,measured and true vertical depth) 4-1/2"HES THE Packer 8469 8085.48 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: 595 46746 2 0 1478 Subsequent to operation: 719 41375 0 0 1402 14.Attachments: 15.Well Class after work: Copies of Logs and Surveys Run Exploratory❑ Development Ell Service❑ Stratigraphic ❑ Daily Report of Well Operations X 16.Well Status after work: Oil U , Gas ❑ 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 Nita Summerhays Email Nita.Summerha s. BP.com Printed Name Nita Summerhays Title Petrotechnical Data Technician / %/: Sign%it '-,// , // % Phone 564-4035 Date 7/2/2013 �� v r 7/ic-I /3 RBDMS JUL - 3 7.6 de (-7 Form 10-404 Revised 10/2012 Submit Original Only Daily Report of Well Operations ADL0028326 T/I/O= 2320/1056/145 Temp= SI Load and Kill for E-Line (PROFILE MODIFICATION) Pumped 5 bbls of neat followed by 255 bbls of 80*crude down Tbg for L&K for ELine. DSO notified of well status per LRS departure. FHWP's=0/1083/275 SV,WV,SSV=C 6/10/2013 MV=O CV's=OTG ***WELL SI UPON ARRIVAL*** (E-LINE PLUG) INITIAL T/I/O = 0/900/150 RIH W/ WELLTEC/ ELINE TOOLS/JUNK BASKET W/3.687" GAUGE RING SET DOWN IN GLM #2 @ 6421' BUT ABLE TO WORK THROUGH ON THE 2ND ATTEMPT RAN DOWN TO DEVIATION @ 9626' & BEGIN TRACTORING TRACTORED DOWN TO 11066' CCL DEPTH. TOOL BOTTOM DEPTH = 11081' (TARGET DEPTH FOR CIBP = 11055'). NOTHING RECOVERED IN JUNK BASKET CURRENTLY SETTING UP FOR NEXT RUN TO SET CIBP 6/10/2013 ***JOB CONTINUED ON 11-JUNE-2013*** ***JOB CONTINUED-FROM 10-JUN-2013*** (E-LINE PLUG) RIH W/TRACTOR/CIBP. HIT DEVIATION @ 9585' & BEGIN TRACTORING. SET 4.5" HES CIBP @ 11,055' ELMD FINAL T/I/O = 0/850/150 WELL SI UPON DEPARTURE - PAD OP NOTIFIED OF WELL STATUS 6/11/2013 ***JOB COMPLETE*** FLUIDS PUMPED BBLS 5 METH 255 CRUDE 1 DIESEL 261 TOTAL TREE= FMC GI/ELLHEAD= FMC SAI. NOTES: WELL ANGLE>70°fg 9491'. ACTUATOR= AXELSON 05-33B IITIAL KB.ELE 70' BF.ELEV= WA_ KOP= 2873' Max Angle= 93° 11135' I- 2226' H4-12"HES X NP,D=3.813" I Datum ID= 9371 Datum TV D= 8800'SS GAS LFT MANDRELS ST MD ND DEV TYFE VLV LATCH PORT DATE 4 3494 3456 27 KBG2 DOME BK 16 08/15/10 3 5227 5020 19 KBG2 SO BK 20 08/15/10 Minimum ID = 3.725" 8576' 2 6421 6149 20 KBG2 DMY BK 0 08/12/10 4-1/2" HES XN NIPPLE 1 7203 6883 20 KBG2 DMY BK 0 08/12/10 MLLOUT WMDOW(06-338) 3890'-3907' 17"GEN I WHPSTOCK(0728/10) H 3890' 9-5/8"CSG,36#,K-55/J-55,11 -8.921 H 390T I\ 7"EZSV(07/28/10) H 3908' `F 84397—H4-1/2'HES X NP,D=3.813" 8469' H7"X 4-1/2"HES THE PKR,D=3.856" I ' I 8505' H4-12"HES X NP,D=3.813" I 8676' —14-12"1- S XN NP,D=3.725" I 8583' H T X 5"FRD-E ZXPN LTP w/BKR FLEX LOCK HGR D=4.20" I4-1/2"TBG,12.6#,13CR-85 VAM TOP HC,.0158 bpf,D=3.958" IH 8688• 8588' H4-1/2"WLEG,D=3.958', 7"CSG,26#,L-80 VAM TOP-HC,.0383 bpf,D=6.276" H 8763' • I 8609' He"X 4-1/2"XO,D=3.920" I FERFORATION SUIWAARY REF LOG:SLB MIND GR 08/09/10 ANGLE AT TOP FERF: 86°• 10000' Note:Refer to Production DB for historical pert data SIZE SFF INTERVAL Opn/Sqz SHOT SQZ 2-7/8" 6 10000-10200 C 08/11/10 11055' ELMD I-1412"HIES CJBP(06/11/13) I 2-7/8" 6 10400-10960 C 08/11/10 2-7/8" 6 11090-11210 C 08/11/10 I 11199'ELMD 4-1/2"HES CEP(06/01/12) PBTD 11236' 4-1/2"LNR,12.6#,L-80 BT-M,.0152 bpf,D=3.958" 11318' •jjj• DATE REV BY COMFITS DATE REV BY COMu6'ITS PRUDHOE BAY UNIT 07/05/91 D-9 ORIGINAL COMPLETION WELL: 05-33B 09/03/00 SIDETRACK(05-33A) PERMIT Pb: 2100810 08/12/10 N7ES SIDETRACK(05-33B) AR No: 50-029-22168-02 09/19/10 AK/PJC FINAL DRLG CORRECT1ONS SEC 31,T11N,R15E,2604'FSL&198'FWL 06/11/12 TTR/JM) SET CBP(06/01/12) 06/18/13- ATO/JMD SET CBP(06/11/13) - _ BP Exploration(Alaska) STATE OF ALASKA AL A OIL AND GAS CONSERVATION COME ;ION REPORT OF SUNDRY WELL OPERATIONS 1.Operations Abandon ❑ Repair Well ❑ Plug Perforations U Perforate L Other ❑ 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 ❑ # 210-081-0 3.Address: P.O.Box 196612 Stratigraphic❑ Service ❑ 6.API Number: Anchorage,AK 99519-6612 50-029-22168-02-00 7.Property Designation(Lease Number): _ 8.Well Name and Number: ' ADL0028326 PBU 05-33B 9.Logs(List logs and submit electronic and printed data per 20AAC25.071): 10.Field/Pool(s): ^, To Be Submitted PRUDHOE BAY,PRUDHOE OIL 11.Present Well Condition Summary: Total Depth measured 11320 feet Plugs measured 11199 feet true vertical 8978.69 feet Junk measured None feet Effective Depth measured 11199 feet Packer measured 8469 feet true vertical 8980.56 feet true vertical 8085.48 feet Casing Length Size MD TVD Burst Collapse Structural None None None None None None Conductor 80 20"91.5#H-40 35-115 35-115 1490 470 Surface 3874 9-5/8"36#K-55 33-3907 33-3810.76 3520 2020 Intermediate None None None None None None Production 8722 7"26#L-80 31 -8753 31 -8351.93 7240 5410 Liner 2735 4-1/2"12.6#L-80 8583-11318 8192.18-8978.72 8430 7500 Perforation depth Measured depth See Attachment feet True Vertical depth See Attachment feet Tubing(size,grade,measured and true vertical depth) 4-1/2"12.6#13CR-85 8588 8196.85 Packers and SSSV(type,measured and true vertical depth) 4-1/2"HES THE Packe 8469 8085.48 Packer None None None SSSV 12.Stimulation or cement squeeze summary: RECEIVED Intervals treated(measured): AUG 21 2012 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: 0 0 0 0 0 Subsequent to operation: 0 0 0 0 0 14.Attachments: 15.Well Class after work: Copies of Logs and Surveys Run Exploratory Development 0 Service ❑ Stratigraphic ❑ Daily Report of Well Operations X 16.Well Status after work: Oil 0 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: LN/A Contact Nita Summerhays Prepared by Nita Summerhays 564-4035 Printed Name Nia Summerhays Title Petrotechnical Data Technician r / ' If, / Lrej/ffi----°' Phone 564-4035 Date 8/16/2012 Form 10-404 Revised 10/2010 R 3DMS AUG 2i1611 df-firi VI'P Submit Original Only l • Daily Report of Well Operations ADL0028326 AC IVI Y'A r • • -- VAL***( INITIAL T/IA/OA=0/50/150 SWAB,SSV=CLOSED, IA/OA=OTG RIH W/3.68" GAUGE RING AND JUNK BASKET TO 11207', NO DEBRIS REOVERED OR OVERPULLS ENCOUNTERED. RIH TO SET HES 4.5" CIBP AT 11055'TO ISOLATE BOTTOM PERFORATIONS (11090- 11210). WHILE PULLING UP INTO SHOOTING POSITION PLUG BECAME STUCK AT 11199.6' ME. TOP OF PLUG AT 11198.8'. OAL OF HES PLUG = 2.0', OD = 3.66". DECISION MADE TO SET PLUG AT 11199.6' M.E. DEPTH AND POOH. 6/1/2012 ***JOB CONTINUED ON 2-JUNE-2012 *** ***JOB CONTINUED FROM 1-JUNE-2012 *** (E-LINE: PLUG) CONTINUE POOH AND RIG DOWN. FINAL T/I/O = 0/50/150 6/2/2012 ***JOB COMPLETED 2-JUNE-2012 *** FLUIDS PUMPED BBLS I DIESEL I TOTAL Perforation Attachment ADL0028326 Perf Opera Meas SW Operation tion Meas Depth TVD Depth TVD Depth Name Date Code Depth Top Base Top Base 05-33B 8/10/10 PER 9984.5 10184.5 8968.59 8975.44 05-336 8/10/10 PER 10384.5 10944.5 8917.84 8922.45 05-33B 8/10/10 PER 11074.5 11194.5 8922.05 8918.6 05-33B 6/1/12 BPS 11199 11210 8918.46 8918.16 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 TREE= FMC ACTUATOR= AXELSON 05-33B SAFI RTES: WELL ANGLE>70°@ 9491'. KB,ELEV - '., 70' BF. ELEV= N/A KOP= 2873' Max Angle= 93°@ 11135' Datum MD= 9371 ' ' 2228' H4-12"HES X NIP,ID=3.813" Datum TVD= 8800'SS GAS LIFT MANDRELS ST MD ND DEV TYPE VLV LATCH PORT DATE 4 3494 3456 27 KBG2 DOME BK 16 08/15/10 3 5227 5020 19 KBG2 SO BK 20 08/15/10 Minimum ID = 3.725" 8576' 2 6421 6149 20 KBG2 DMY BK 0 08/12/10 4-1/2" HES XN NIPPLE 1 7203-6883 20 KBG2_ DMY BK 0 08/12/10 J MILLOUT WINDOW(05-33B) 3890'-3907' 7"GEN II WHIPSTOCK(07/28/10) --I 3890' — 9-518"CSG,36#, K-55/J-55, ID=8.921 H 3907' 7"EZSV(0728/10) --1 3908' 1- 8439' —14-1/2"/2"HES X NIP,ID=3.813" I 8469' IH7"X 4-12"HES THE PKR,ID=3.856" • 8505' —14-12"HES X NIP,ID=3.813" I 8576' —I4-12"HES XN NIP,ID=3 725" 8583' —7"X 5"HRD-E 2XPN LTP w/BKR FLEX LOCK HGR ID=4.20" 4-1/2"TBG, 12 6#,13CR-85 VAM TOP HC,.0158 bpf, ID=3.958" —1 8588' 8588' I-I4-1/2"WLEG,ID=3.958" 7"CSG,26#, L-80 VAM TOP-HC, .0383 bpf, ID=6 276" —1 8753' —I 8609' H5"X 4-1/2"XO, ID=3.920" I I. PERFORATION SUMMARY REF LOG SLB MoD GR 08/09/10 I ANGLE AT TOP PERF. 86°@ 10000' Vote Refer to Roduction DB for historical pert data SIZE S INTERVAL Opn/Sqz DATE 2-7/8" 6 10000- 10200 0 08/11/10 „..--- ' _ 2.718" 6 10400- 10960 0 08/11/10 K 2-7/8" 6 11090-11210 0/C 08/11/10 11199' ELMD H4-12"HES CIBP(06/01/12) PBTD 11236' •,•.•.• 4-1/2"LNR, 12.6#, L-80 8T-M, 0152 bpf,ID=3.958" 11318' ••••••• DATE REV BY COMMENTS DATE REV BY COMMENTS PRUDHOE BAY UNIT 07/05/91 D-9 ORIGINAL COM PLETION WELL 05-33B 09/03/00 SIDETRACK(05-33A) PERMIT No '2100810 08/12/10 N7E5 SIDETRACK(05-33B) API No 50-029-22168-02 09/19/10 AK/PJC FINAL DRLG CORRECTIONS SEC 31, T11 N, R15E,2604'FSL&198'FWL 06/11/12 TTR/JMD SET CIBP(06/01/12) BP Exploration (Alaska) bp BP Exploration(Alaska)Inc. Attn:Well Integrity Coordinator, PRB-20 Post Office Box 196612 Anchorage,Alaska 99519-6612 May 11, 2012 ° — °S Mr. Jim Regg Alaska Oil and Gas Conservation Commission 333 West 7th Avenue 5L jgp AUG 2 1 2012 Anchorage, Alaska 99501 Subject: Corrosion Inhibitor Treatments of GPB DS-05 Dear Mr. Regg, Enclosed please find multiple copies of a spreadsheet with a list of wells from GPB DS- 05 that were treated with corrosion inhibitor in the surface casing by conductor annulus. The corrosion inhibitor is engineered to prevent water from entering the annular space and causing external corrosion that could result in a surface casing leak to atmosphere. The attached spreadsheet represents the well name, API and PTD numbers, top of cement depth prior to filling and volumes of corrosion inhibitor used in each conductor. As per previous agreement with the AOGCC, this letter and spreadsheet serve as notification that the treatments took place and meet the requirements of form 10-404, Report of Sundry Operations. If you require any additional information, please contact me or my alternate, Gerald Murphy, at 659-5102. Sincerely, Mehreen Vazir BPXA, Well Integrity Coordinator BP Exploration (Alaska ) Inc. Surface Casing by Conductor Annulus Cement,Corrosion inhibitor,Sealant Top-off Report of Sundry Operations(10-404) DS-05 Date:01/10/2012 Corrosion Initial top of Vol.of cement Final top of Cement top off Corrosion inhibitor/ Well Name PTD# API# cement pumped cement date inhibitor sealant date ft bbls ft gal 05-01C 1990280 50029201360000 Sealed conductor NA NA N/A N/A NA 05-02A 2012410 50029201440100 Sealed conductor NA NA N/A N/A NA 05-03C 2000940 50029201470300 Sealed conductor NA NA N/A N/A NA 05-04A 1960890 50029201520100 Sealed conductor NA NA N/A N/A NA 05-05B 1961800 50029201700200 Sealed conductor NA NA N/A N/A NA 05-06A 1950840 50029201730100 0 NA 0 N/A N/A NA 05-07 1770130 50029202430000 Sealed conductor NA NA N/A N/A NA 05-08A 2100550 50029202480100 Sealed conductor NA NA N/A N/A NA 05-09A 1990140 50029202540100 Sealed conductor NA NA N/A N/A NA 05-10C 2070980 50029202630300 Sealed conductor NA NA N/A N/A NA 05-11A 1960970 50029202520100 Sealed conductor NA NA N/A N/A NA 05-12B 2011800 50029202440200 Sealed conductor NA NA N/A N/A NA 05-13B 2071460 50029202500200 Sealed conductor NA NA N/A N/A NA 05-14A 1930820 50029202530100 Sealed conductor NA NA N/A N/A NA 05-158 1960230 50029202550200 Sealed conductor NA NA N/A N/A NA 05-16B 1991000 50029202620200 Sealed conductor NA NA N/A N/A NA 05-17B 1981040 50029202710200 Sealed conductor NA NA N/A N/A NA 05-18A 1981740 50029219600100 Split conductor NA NA N/A N/A N/A 05-19 1890780 50029219620000 1.4 NA 1.4 N/A 8.5 4/11/2011 05-20B 2042340 50029221370200 1.2 NA 1.2 N/A 5.1 4/18/2011 05-21A 1981180 50029219690100 Dust Cover NA NA N/A N/A N/A 05-22B 2071260 50029219760200 3.1 NA 3.1 N/A 18.7 4/17/2011 05-23B 2080610 50029219630200 1.2 NA 1.2 N/A 5.1 4/11/2011 05-24A 2042180 50029222040100 1.5 NA 1.5 N/A 10.2 4/11/2011 05-25C 2091240 50029219880300 6.0 NA 6.0 N/A 44.2 4/18/2011 05-26A 2012210 50029219840100 0.5 NA 0.5 N/A 3.4 4/12/2011 05-27B 2081910 50029219790200 Sealed conductor NA NA N/A N/A N/A 05-28B 2060890 50029222080200 0.6 NA 0.6 N/A 1.7 4/10/2011 05-30 1911150 50029222130000 1.2 NA 1.2 N/A 10.2 4/11/2011 05-31B 2100850 50029221590200 1.3 NA 1.3 N/A 6.8 4/12/2011 05-32A 2020010 50029221900100 20.0 6.0 0.5 7/13/2011 3.4 7/23/2011 --, 05-338 2100810 50029221680200 4.8 NA 4.8 N/A 37.4 4/27/2011 05-34A 2080370 50029222170100 3.9 NA 3.9 N/A 18.7 1/4/2012 05-35A 2081340 50029221720100 2.7 NA 2.7 N/A 18.7 4/18/2011 05-36A 2050700 50029221820100 2.3 NA 2.3 N/A 13.6 4/12/2011 05-38 1961850 50029227220000 1.8 NA 1.8 N/A 15.3 4/10/2011 05-39 1961730 50029227150000 1.3 NA 1.3 N/A 10.2 4/10/2011 05-40 1961590 50029227070000 1.6 N/A 1.6 N/A 16.2 1/10/2012 05-41A 2031700 50029226960100 5.0 NA 5.0 N/A 58.7 1/8/2012 I 1 covm� - - - - - W? oDvr m moIa go m A D m * ? A p 0 0 j x O D O mN o g* N Z 3 =D x N G 0 n *nxm +u u H N D+x+9 m gA w 7 S im m w z f 2 m 0).0c00i0wcmi00 m 0 D C U D N N D 0 D L a 1 'GOJ0000 ° 1 o00080080og x N 0...e.0047000 G1 Z + WNW ANONTA G) X .0WW00,I0 Z MZ-1 13=1,.-� O 0 1 0 Z s O q---( 1� (sl m .v f / m° 0\ Y o DZ W D O o 1 1 -1 I O D E" W W N N+N W N N N y 000000000 p...,.......... + m 1271 J x °0 O N x0 O j m N c. - o m n 3..1.1.m 22 W m ;S.43. m s O m A m m +m=D 0 � ,1>b /3 S. a x ?Apt '� U� u 1 _ 'Q1 sill 0 0 3 r f, � 3 ry N _ O 0 5 a E E a Ot; 22'3E A 0 ..0, .5., .. go g ,. 1 2c11. .8 ) A•uror. - gIA ,.. , , MI ! 0 I silE!.5 u __.. .,.... -. ......- triarc2.k oa ,,'T' •;' -0-^cri<tr ' r oc c 2 ''.... .......Z o8 . w 0 , 1 1 :,:;•7 2 8 CP M L..;-. _ . . . .._ . .. ..1 0.......• 1 11 0 SE5gga5SS . ....... 01 ai cb .10 JecTrbiAl, z s I fia, 0 4( .t ir*Mb...... Ai S "I(,) RR—Orr 1 ),.. a ,,,,,0(0 a. 0 . w ro 0 c, , w _. w . Z Owew 0 EdOeH6TOOt .0 Z00.03, www 2 0mzec , 000 cc Pme' w 333 m 880 .1 ggg w cc 2EgE g 0 2202,..w22* z , wWmWo(00=IS 4 22m2-tm-1000 0 z 4. sag;cal 0 vvt2 0 w9 .22 ... 1 A 9Y SY 1444 > 0 42 = ,s 04b01( M ' 0. 1XxCEW(m0444 I- i '' 04c0 mm000, 070034c00202,-.-0 M al , •E . 0 c:, 1 432 w ce et -I tor, wg .6 .53=5 g-_-_-6 a- iq m,r, tii3 xa,a1 at ov. ue: L'03<amma , w Tow,c40„,„ OSam 3 0.d, thch. .. . ozill " e. . ..1 i lita w2 1:2* " 4E45, 4w2w w ...o. .J0. 4,0 0.000) Correction-09/21/10 Spud Date ` STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION WELL COMPLETION OR RECOMPLETION REPORT AND LOG la. Well Status: ®Oil ❑Gas ❑SPLUG ❑Other ❑Abandoned ❑Suspended 1b. Well Class: 2OAAC 25.105 2OAAC 25.110 ® Development ❑Exploratory ❑GINJ ❑WINJ ❑WAG ❑WDSPL ❑Other No.of Completions One ❑Service ❑Stratigraphic 2. Operator Name: 5.Date Comp.,Susp.,orAband.: 12. Permit to Drill Number: BP Exploration(Alaska)Inc. 8/12/2010 210-081 3. Address: 6.Date Spudded: 13. API Number: P.O. Box 196612,Anchorage,Alaska 99519-6612 \ 7/30/2010 50-029-22168-02-00 4a. Location of Well(Governmental Section): 7.Date T.D.Reached: 14. Well Name and Number: Surface: 8/8/2010 PBU 05-33B 2675'FNL,5081'FEL,Sec 32,T11 N, R15E, UM 8. KB(ft above MSL): 62.10 15.Field/Pool(s): Top of Productive Horizon: 1914'FNL,2173'FEL,Sec 31,T11 N, R15E, UM GL(ft above MSL): 34,10 Prudhoe Bay Field/Prudhoe Bay Total Depth: 9.Plug Back Depth(MD+TVD): Oil Pool 2031'FNL,3843'FEL, Sec 31,T11 N, R15E, UM 11236' 8980' 4b. Location of Well(State Base Plane Coordinates,NAD 27): 10.Total Depth(MD+TVD): 16. Property Designation: Surface: x- 697274 y- 5948771 Zone- ASP4 11320' 8979' ADL 028326 TPI: x- 694881 y- 5949472 Zone- ASP4 11.SSSV Depth(MD+TVD): 17. Land Use Permit: Total Depth:x- 693216 y- 5949312 Zone- ASP4 N/A 18.Directional Survey: ®Yes ❑No 19.Water depth,if offshore: 20. Thickness of Permafrost(TVD): (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 MC 25.071): 22. Re-DrilULateral Top Window MD/TVD: DIR, GR, RES, NEU, DEN 3890' 3797' 23. CASING,LINER AND CEMENTING RECORD SETTING DEPTH MD SETTING DEPTH TVD HOLE AMOUNT CASING WT.PER FT. GRADE TOP BOTTOM TOP BOTTOM SIZE CEMENTING RECORD PULLED 20" , 91.5# H-40 _Surface 115' Surface 115' 30" 11 yards AS 9-5/8" 36# K-55/J-55 Surface 3890' Surface 3797' 12-1/4" 1125 sx CS III.300 sx Class'G' 7" _ 26# L-80 26' 8753' 26' 8352" 8-1/2" 204 sx Class'G' 4-1/2" 12.6# L-80 8578' 11318' 8192' 8979 6-1/8" 350sx Class'G' - , 24. Open to production or injection? ®Yes ❑No 25. TUBING RECORD If Yes,list each interval open SIZE DEPTH SET(MD) PACKER SET(MD/TVD) (MD+TVD of Top&Bottom;Perforation Size and Number): 2-7/8"Gun Diameter,6 SPF 4-1/2", 12.6#, 13Cr85 8588' 8469' MD TVD MD ND 10000'-10200' 8970'-8976' 26. ACID,FRACTURE,CEMENT SQUEEZE,ETC. 10400'-10960' 8980'-8985' 11090'-11210' 8984'-8980' DEPTH INTERVAL(MD) AMOUNT AND KIND OF MATERIAL USED Freeze Protected with 75 Bbls of Diesel 27. PRODUCTION TEST Date First Production: Method of Operation(Flowing,Gas Lift,etc.): August 21,2010 Flowing Date of Test: Hours Tested: Production For OIL-BBL: GAS-MCF: WATER-BBL: CHOKE SIZE: GAS-OIL RATIO: 8/24/2010 12 Test Period 4 515 1520 9 128 29508 Flow Tubing Casing Press: Calculated OIL-BBL: GAS-MCF: WATER-BBL: OIL GRAVITY-API(CORR): Press. 1549 1460 24-Hour Rate ♦ 1030 30405 18 31.5 28. CORE DATA Conventional Core(s)Acquired? ❑Yes ®No Sidewall Core(s)Acquired? ❑Yes No If Yes to either question,list formations and intervals cored(MD+TVD of top and bottom of each),and summarize lithology and presence of oil,gas or water (submit separate sheets with this form,if needed). Submit detailed descriptions,core chips,photographs and laborato • t erAtAAC 250.071. None SEP 212010 pis gq `a epa Ws�.cion Form 10-407 Revised 12/21•• SEP tirr 2010 CONTINUED NTINUED ON REVERSE WOW Submit Original Only/'� 7•L2 •t∎ Pli¢/✓t V 29. GEOLOGIC MARKERS(List all formations and markers encountered): 30. FORMATION TESTS NAME MD TVD Well Tested? ❑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. Ugnu Zone 4 4952' 4759' Ugnu Zone 4A 5008' 4813' None West Sak 2 6424' 6151' West Sak 1 6616' 6332' Coville Mudstone 1 7993' 7634' Top HRZ 8430' 8049' Base HRZ 8610' 8217' Top Sag River 8751' 8350' Top Shublik Zone A 8791' 8388' Top Shublik Zone B 8812' 8408' Top Shublik Zone C 8828' 8423' Top Sadlerochit 8866' 8459' 42SB/Zone 4A 8996' 8576' TCGL/Zone 3 9030' 8606' BCGL/Zone 2C 9130' 8690' 23SB/Zone 2B Upper Unit 9220' 8762' 22TS/Zone 2B Lower Unit 9260' 8791' ZITS/Zone 2A 9337' 8842' Top Zone 1B 9477' 8913' TDF/Top Zone 1A 9600' 8943' Base Sadlerochit 10962' 8985' Base Sadlerochit(Inverted) 11090' 8984' Formation at Total Depth(Name): Base of Sadlerochit 11320' 8979' 31.List of Attachments: Summary of Daily Drilling Reports and Post Rig Work,Well Schematic Diagram,Surveys and a Leak Off Test Summary 32.I hereby certify that the foregoing is true and correct to the best of my knowledge. Signed: SondraStevvrnan =� Title: Drilling Technologist Date: 0 ',X11 — I PBU 05-33B 210-081 Prepared ByName/Number. Sondra Stewman,564-4750 Well Number Permit No./Approval No. Drilling Engineer: Abby Warren, 564-5720 INSTRUCTIONS General: This form is designed for submitting a complete and correct well completion report and log on all types of lands and leases in Alaska. Submit a well schematic diagram with each 10-407 well completion report and 10-404 well sundry report when the downhole well design is changed. Item 1 a: Classification of Service Wells: Gas Injection,Water Injection,Water-Alternating-Gas Injection,Salt Water Disposal,Water Supply for Injection, Observation,or Other. Multiple completion is defined as a well producing from more than one pool with production from each pool completely segregated. Each segregated pool is a completion. Item 4b: TPI(Top of Producing Interval). Item 8: The Kelly Bushing and Ground Level elevation in feet above mean sea level. Use same as reference for depth measurements given in other spaces on this form and in any attachments. Item 13: The API number reported to AOGCC must be 14 digits(ex: 50-029-20123-00-00). Item 20: Report true vertical thickness of permafrost in Box 20. Provide MD and ND for the top and base of permafrost in Box 28. Item 23: Attached supplemental records for this well should show the details of any multiple stage cementing and the location of the cementing tool. Item 24: If this well is completed for separate production from more than one interval(multiple completion),so state in item 1,and in item 23 show the producing intervals for only the interval reported in item 26. (Submit a separate form for each additional interval to be separately produced, showing the data pertinent to such interval). Item 27: Method of Operation: Flowing,Gas Lift,Rod Pump,Hydraulic Pump,Submersible,Water Injection,Gas Injection,Shut-In,or Other(explain). Item 28: Provide a listing of intervals cored and the corresponding formations,and a brief description in this box. Submit detailed description and analytical laboratory information required by 20 AAC 25.071. Item 30: Provide a listing of intervals tested and the corresponding formation,and a brief summary in this box. Submit detailed test and analytical laboratory information required by 20 AAC 25.071. Form 10-407 Revised 12/2009 Submit Original Only Correction-09/17/10 Perforation Data STATE OF ALASKA • ALASKA OIL AND GAS CONSERVATION COMMISSION WELL COMPLETION OR RECOMPLETION REPORT AND LOG la. Well Status: ® Oil ❑Gas ❑SPLUG ❑Other ❑Abandoned ❑Suspended 1 b. Well Class: 20AAC 25.105 20AAC 25.»0 ® Development ❑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. 8/12/2010 210-081 3. Address: 6.Date Spudded: 13. API Number: P.O. Box 196612,Anchorage,Alaska 99519-6612 8/11/2010 50-029-22168-02-00 4a. Location of Well(Governmental Section): 7.Date T.D.Reached: 14. Well Name and Number: Surface: 8/8/2010 PBU 05-33B 2675'FNL,5081'FEL, Sec 32,T11 N, R15E, UM 8. KB(ft above MSL): 62.10 15.Field/Pool(s): Top of Productive Horizon: 1914'FNL,2173'FEL, Sec 31,T11 N, R15E, UM GL(ft above MSL): 34.10 Prudhoe Bay Field/Prudhoe Bay Total Depth: 9.Plug Back Depth(MD+TVD): Oil Pool 2031'FNL,3843'FEL, Sec 31,T11 N, R15E, UM 11236' 8980' 4b. Location of Well(State Base Plane Coordinates,NAD 27): 10.Total Depth(MD+TVD): 16. Property Designation: Surface: x- 697274 y- 5948771 Zone- ASP4 11320' 8979' ADL 028326 TPI: x- 694881 y- 5949472 Zone- ASP4 11.SSSV Depth(MD+TVD): 17. Land Use Permit: Total Depth:x- 693216 P. 5949312 Zone- ASP4 N/A 18.Directional Survey: Yes El No 19.Water depth,if offshore: 20. Thickness of Permafrost(TVD): (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-Drill/Lateral Top Window MD/TVD: DIR,GR, RES, NEU, DEN 3890' 3797' 23. CASING,LINER AND CEMENTING RECORD SETTING DEPTH MD SETTING DEPTH ND HOLE AMOUNT CASING WT.PER FT. GRADE To BOTTOM ToP I BOTTOM SIZE CEMENTING RECORD PULLED 20" 91.5# H-40 Surface 115' Surface 115' 30" 11 yards AS 9-5/8" 36# K-55/J-55 Surface 3890' Surface 3797' 12-1/4" 1125 sx CS III.300 sx Class'G' 7" 26# L-80 26' 8753' 26' 8352" 8-1/2" 204 sx Class'G' 4-1/2" 12.6# L-80 8578' 11318' 8192' 8979 6-1/8" ,350 sx Class'G' 24. Open to production or injection? ®Yes ❑No 25. TUBING RECORD If Yes,list each interval open .SIZE DEPTH SET(MD) PACKER SET(MD/ND (MD+TVD of Top&Bottom;Perforation Size and Number): ) 2-7/8"Gun Diameter,6 SPF 4-1/2", 12.6#, 13Cr85 _ 8588' 8469' MD TVD MD ND 10000'-10200' 8970'-8976' 26. ACID,FRACTURE,CEMENT SQUEEZE,ETC. 10400'-10960' 8980'-8985' 11090'-11210' 8984'-8980' PE j011-* DEPTH INTERVAL(MD) AMOUNT AND KIND OF MATERIAL USED A •1; ! Freeze Protected with 75 Bbls of Diesel 27. PRODUCTION TEST Date First Production: Method of Operation(Flowing,Gas Lift,etc.): August 21,2010 Flowing Date of Test: Hours Tested: Production For OIL-BBL: GAS-MCF: WATER-BBL: CHOKE SIZE: GAS-OIL RATIO: 8/24/2010 12 Test Period ♦ 515 1520 9 128 29508 Flow Tubing Casing Press: Calculated OIL-BBL: GAS-MCF: WATER-BBL: OIL GRAVITY-API(CORR): Press. 1549 1460 24-Hour Rate ♦ 1030 30405 18 31.5 28. CORE DATA Conventional Core(s)Acquired? ❑ Yes ®No Sidewall • '• ' +Y IS No If Yes to either question,list formations and intervals cored(MD+TVD of top and bottom of each),and summarize litholog •i, •-- •r water (submit separate sheets with this form,if needed). Submit detailed descriptions,core chips,photographs and laboratory analytical results per 20 AAC 250.071. SEP 1 7 2010 None RBDMS SEP 2,0 201 Ammo Form 10-407 Revised 12/2009 CONTINUED ON REVERSE Submit Original Only 29. GEOLOGIC MARKERS(List all formations and m, s encountered): 30. )RMATION TESTS NAME MD TVD Well Tested? ❑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 MC 25.071. Ugnu Zone 4 4952' 4759' Ugnu Zone 4A 5008' 4813' None West Sak 2 6424' 6151' West Sak 1 6616' 6332' Coville Mudstone 1 7993' 7634' Top HRZ 8430' 8049' Base HRZ 8610' 8217' Top Sag River 8751' 8350' Top Shublik Zone A 8791' 8388' Top Shublik Zone B 8812' 8408' Top Shublik Zone C 8828' 8423' Top Sadlerochit 8866' 8459' 42SB/Zone 4A 8996' 8576' TCGL/Zone 3 9030' 8606' BCGL/Zone 2C 9130' 8690' 23SB/Zone 2B Upper Unit 9220' 8762' 22TS/Zone 2B Lower Unit 9260' 8791' 21 TS/Zone 2A 9337' 8842' Top Zone 1B 9477' 8913' TDF/Top Zone 1A 9600' 8943' Base Sadlerochit 10962' 8985' Base Sadlerochit(Inverted) 11090' 8984' Formation at Total Depth(Name): Base of Sadlerochit 11320' 8979' 31.List of Attachments: Summary of Daily Drilling Reports and Post Rig Work,Well Schematic Diagram,Surveys and a Leak Off Test Summary 32.I hereby certify that the foregoing is true and correct to the best of my knowledge. Signed: Sondra tewman '/ >► - Title: Drilling Technologist Date:L2 I R PBU 05-33B 210-081 Prepared By Name/Number. Sondra Stewman, 564-4750 Well Number Permit No./Approval No. Drilling Engineer: Abby Warren, 564-5720 INSTRUCTIONS General: This form is designed for submitting a complete and correct well completion report and log on all types of lands and leases in Alaska. Submit a well schematic diagram with each 10-407 well completion report and 10-404 well sundry report when the downhole well design is changed. Item 1 a: Classification of Service Wells: Gas Injection,Water Injection,Water-Alternating-Gas Injection,Salt Water Disposal,Water Supply for Injection, Observation,or Other. Multiple completion is defined as a well producing from more than one pool with production from each pool completely segregated. Each segregated pool is a completion. Item 4b: TPI(Top of Producing Interval). Item 8: The Kelly Bushing and Ground Level elevation in feet above mean sea level. Use same as reference for depth measurements given in other spaces on this form and in any attachments. Item 13: The API number reported to AOGCC must be 14 digits(ex: 50-029-20123-00-00). Item 20: Report true vertical thickness of permafrost in Box 20. Provide MD and TVD for the top and base of permafrost in Box 28. Item 23: Attached supplemental records for this well should show the details of any multiple stage cementing and the location of the cementing tool. Item 24: If this well is completed for separate production from more than one interval(multiple completion),so state in item 1,and in item 23 show the producing intervals for only the interval reported in item 26. (Submit a separate form for each additional interval to be separately produced, showing the data pertinent to such interval). Item 27: Method of Operation: Flowing,Gas Lift,Rod Pump,Hydraulic Pump,Submersible,Water Injection,Gas Injection,Shut-In,or Other(explain). Item 28: Provide a listing of intervals cored and the corresponding formations,and a brief description in this box. Submit detailed description and analytical laboratory information required by 20 MC 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 MC 25.071. Form 10-407 Revised 12/2009 Submit Original Only North America-ALASKA- BP Page 1 of 2 Operation Summary Report Common Well Name:05-33 AFE No Event Type: MOBILIZATION(MOB) Start Date: 7/20/2010 End Date:7/24/2010 X3-00VWD-C(350,700.00) Project: Prudhoe Bay Site:PB DS 05 Rig Name/No.:NABORS 7ES Spud Date/Time: Rig Release: 8/12/2010 Rig Contractor:NABORS ALASKA DRILLING INC. UWI: Active Datum:05-33B ACTUAL @62.1ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 7/20/2010 08:00 - 00:00 16.00 MOB N WAIT -0.5 PRE WAITING ON RIG MAT SUPPORT FOR MOVE TO DS 05-33B. -RELEASED FROM SUMMER MAINTENANCE AT 0800 HRS AFTER REPLACEMENT OF DRILLER'S SIDE REAR DRIVE ASSEMBLY COMPLETED. -IN QUEUE BEHIND DOYON 14 FOR RIG MAT SUPPORT FOR MOVE TO DS 05-33B. -COMPLETE PUTTING CELLAR BACK TOGETHER. -NU SINGLE GATE AND MUD CROSS TO DOUBLE GATE AND ANNULAR PREVENTER. -RECONNECT KOOMEY LINES TO BOP STACK. -PAINT BOP STACK. -PAINT ROOF ON PITS. -PLUMB PIPE RACK DRAINS. -GENERAL HOUSEKEEPING AND MAINTENANCE. 7/21/2010 00:00 - 12:00 12.00 MOB N WAIT -7.9 PRE WAITING ON RIG MAT SUPPORT FOR MOVE TO DS 05-33B. -FUNCTION TEST BOP TO ENSURE KOOMEY LINES ARE HOOKED UP CORRECTLY. WORK ON PIPE RACK DRAINS. -GENERAL HOUSEKEEPING AND MAINTENANCE. 12:00 - 18:00 6.00 MOB N WAIT -7.9 PRE WAITING ON RIG MAT SUPPORT FOR MOVE TO DS 05-33B. -CHANGE OUT HYDRAULIC FLUID IN HYDRAULIC SYSTEM. -WELD NIPPLE ON FLOW LINE FOR PIPE DRAIN. -GENERAL HOUSEKEEPING AND MAINTENANCE. 18:00 - 21:00 3.00 MOB P PRE TRANSPORT SATELLITE CAMP,SHOP,AND PIT MODULE FROM DS 02 TO DS 05. 21:00 - 00:00 3.00 MOB N WAIT -7.9 PRE WAITING ON RIG MAT SUPPORT FOR MOVE TO DS 05-33B. -GENERAL HOUSEKEEPING AND MAINTENANCE. 7/22/2010 00:00 - 12:00 12.00 MOB N WAIT -7.9 PRE WAITING ON RIG MAT SUPPORT FOR RIG SUB MOVE FROM DS 02 TO DS 05-33B. -GENERAL MAINTENANCE AND HOUSEKEEPING. -MOVE ALL OTHER RIG-ASSOCIATED EQUIPMENT FROM DS 02 TO DS 05-33B. 12:00 - 13:00 1.00 MOB N WAIT -7.9 PRE WAITING ON RIG MAT SUPPORT FOR RIG SUB MOVE FROM DS 02 TO DS 05-33B. -GENERAL MAINTENANCE AND HOUSEKEEPING. -TOOL SERVICES STAGING STACKS OF RIG MATS AT DS 02. 13:00 - 14:30 1.50 MOB P PRE RU LRS AND PT OA TO 2,000 PSI FOR 30 MINUTES;TEST GOOD. -LOST 90 PSI IN THE FIRST 15 MINUTES AND 20 PSI IN THE SECOND 15 MINUTES. Printed 9/14/2010 8:49:28AM ' North America -ALASKA- BP Page 2 of 2 Operation Summary Report Common Well Name:05-33 AFE No Event Type:MOBILIZATION(MOB) Start Date:7/20/2010 End Date:7/24/2010 X3-00VWD-C(350,700.00) Project:Prudhoe Bay Site: PB DS 05 Rig Name/No.:NABORS 7ES Spud Date/Time: Rig Release: 8/12/2010 Rig Contractor:NABORS ALASKA DRILLING INC. UWI: Active Datum:05-33B ACTUAL @62.1 ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 14:30 - 00:00 9.50 MOB N WAIT -7.9 PRE WAITING ON RIG MAT SUPPORT FOR RIG SUB MOVE FROM DS 02 TO DS 05-33B. -GENERAL MAINTENANCE AND HOUSEKEEPING. -TOOL SERVICES STAGING STACKS OF RIG MATS AT DS 02. 7/23/2010 00:00 - 02:30 2.50 MOB N WAIT -7.9 PRE WAITING ON RIG MAT SUPPORT FOR RIG SUB MOVE FROM DS 02 TO DS 05-33B. GENERAL MAINTENANCE AND HOUSEKEEPING. -TOOL SERVICES LAYING RIG MATS AT DS 02. 02:30 - 13:00 10.50 MOB P PRE MOVE RIG SUB FROM DS 02 TO DS 05-33B. -ACCESS ROADS ON DS 02 AND THE ENTIRE DS 05 ACCESS ROAD REQUIRE RIG MATTING. -RIG SUB SITTING AT PAD 10 BY SIP AT THIS TIME AWAITING RIG MATTING OF DS 05 ACCESS ROAD BEFORE PROCEEDING BACK ONTO WEST DOCK ROAD. 13:00 - 20:30 7.50 MOB P ■ PRE MOVE RIG SUB FROM PAD 10 BY SIP TO DS 05. -LEAPFROG ON RIG MATS. 20:30 - 21:30 1.00 MOB P PRE SET RIG SUB OVER DS 05-33B. 21:30 - 00:00 2.50 MOB P PRE PJSM,RU, INSPECT/RAISE DERRICK,RAISE CATTLE CHUTE, RD BRIDLE LINES, RU RIG FLOOR,AND SPOT PITS. ***RIG ACCEPT AT 0000 HRS ON 7/24/2010*** 7/24/2010 00:00 - 01:30 1.50 RIGU P PRE TAKE ON 290 BBLS 100 DEGREE 9.8 PPG NACL BRINE TO PITS. ***RIG ACCEPT AT 0000 HRS,7/24/2010*** Printed 9/14/2010 8:49:28AM North America -ALASKA- BP Page 1 of 14 Operation Summary Report Common Well Name:05-33 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:7/24/2010 End Date: 8/13/2010 X3-00VWD-C(3,695,865.00) Project: Prudhoe Bay i Site: PB DS 05 Rig Name/No.:NABORS 7ES Spud Date/Time: Rig Release: 8/12/2010 Rig Contractor:NABORS ALASKA DRILLING INC. UWI: Active Datum:05-33B ACTUAL @62.1 ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 7/24/2010 01:30 - 04:30 3.00 WHSUR P DECOMP RU TIGER TANK,CHOKE SKID,CIRCULATING LINES IN CELLAR,AND DSM LUBRICATOR. -PRESSURE TEST LUBRICATOR TO 500 PSI; TEST GOOD. -PULL BPV. 04:30 - 06:00 1.50 WHSUR P DECOMP ATTEMPT TO REVERSE CIRCULATE 9.8 PPG NACL BRINE AT 2 BPM,500 PSI. -NO RETURNS AFTER 35 BBLS AWAY. -LINE UP TO PUMP DOWN THE TUBING. -PUMP-1/2 BBL,10 STROKES TOTAL,DOWN TUBING AND PRESSURE UP TO 800 PSI. -DISCUSSION WAY AHEAD BETWEEN NIGHT AND DAY WSLS AND PUSHERS, -DECIDE TO PT TUBING. -PT TUBING TO 2,100 PSI AND HOLD FOR 10 MINUTES;50 PSI DROP IN FIRST 5 MINUTES AND 10 PSI DROP IN SECOND 5 MINUTES. 06:00 - 10:00 4.00 WHSUR N DPRB 4,414.1 DECOMP WAIT ON SLB E-LINE TO CUT 3-1/2"TUBING. -CONSULT WITH TOWN LEADERSHIP AND ODE. -RD CIRCULATING LINES. -CONDUCT 5,000 PSI FULL-BODY TEST ON BOP. RU FLOOR AND PU HANDLING TOOLS FOR FLOOR THAT WERE REFURBISHED DURING SUMMER MAINTENANCE. 10:00 - 12:00 2.00 WHSUR N DPRB 4,414.1 DECOMP RU E-LINE FOR 3-1/2"TUBING CUT. 12:00 - 16:00 4.00 WHSUR N DPRB 4,414.1 DECOMP RU E-LINE WITH PRESSURE CONTROL EQUIPMENT. -PT TO 3,000 PSI;TEST GOOD. -MU 2.5"POWER JET CUTTER. 16:00 - 18:00 2.00 WHSUR N DPRB 4,414.1 DECOMP RIH WITH 2.5"POWER JET CUTTER TO 4,480'. -PRESSURE UP TUBING TO 1,000 PSI. -CUT 3-1/2"TUBING AT 4,480';FELT POSITIVE INDICATIONS OF CUT AT SURFACE. -PRESSURE IMMEDIATELY BLED OFF TO 0 PSI IN TUBING WHEN CUT. 18:00 - 20:00 2.00 WHSUR N DPRB 4,414.1 DECOMP POH WITH E-LINE AND RD E-LINE. 20:00 - 22:30 2.50 WHSUR P DECOMP CIRCULATE OUT FREEZE PROTECT DIESEL FROM IA AND TUBING. -REVERSE IN 10 BBLS 9.8 PPG NACL BRINE AT 3.5 BPM,200 PSI TO DISPLACE-2-3 BBLS DIESEL FROM 3-1/2"TUBING. -CIRCULATE 161 BBLS 9.8 PPG NACL BRINE DOWN 3-1/2"TUBING AT 4 BPM,375 PSI TO DISPLACE-6-7 BBLS DIESEL FROM IA. -10 BBLS DIESEL RECOVERED IN TIGER TANK AND WILL BE HYDROCARBON RECYCLED. -MONITORED WELL FOR 15 MINUTES;WELL TOOK SLIGHT 5 BBL/HR DRINK AND THEN STABILIZED. -RD AND BD LINES. Printed 9/14/2010 8:49:49AM North America -ALASKA- BP Page 2 of 14 Operation Summary Report Common Well Name:05-33 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 7/24/2010 End Date: 8/13/2010 X3-00VWD-C(3,695,865.00) Project: Prudhoe Bay Site: PB DS 05 Rig Name/No.: NABORS 7ES Spud Date/Time: Rig Release:8/12/2010 Rig Contractor: NABORS ALASKA DRILLING INC. UWI: Active Datum:05-33B ACTUAL @62.1ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 22:30 - 23:00 0.50 WHSUR P DECOMP DRY ROD IN BPV AND CONDUCT ROLLING PRESSURE TEST ON BPV. -PUMPED 4 BBLS WITH NO PRESSURIZATION TO FILL IA. -STAGED PUMP RATE TO 2 BPM AT 1,184 PSI AND HELD PRESSURE CONSTANT FOR 5 CHARTED MINUTES. 25 BBLS TOTAL PUMPED. 23:00 - 00:00 1.00 WHSUR P DECOMP ND TREE AND ADAPTER FLANGE. -SECURE SINGLE SSSV CONTROL LINE. 7/25/2010 00:00 - 02:00 2.00 WHSUR P DECOMP ND TREE&ADAPTER FLANGE. -INSTALL BLANKING PLUG. -MU XO TO HGR WITH 6-1/2 TURNS. 02:00 - 05:00 3.00 BOPSUR P DECOMP NU BOP. 05:00 - 06:30 1.50 BOPSUR P DECOMP RU TEST EQUIPMENT. 06:30 - 11:00 4.50 BOPSUR N RREP -7.9 DECOMP CHASE MULTIPLE LEAKS ON BOP STACK AND CHOKE MANIFOLD AFTER SUMMER MAINTENANCE REBUILD. 11:00 - 18:00 7.00 BOPSUR P DECOMP TEST BOPE. -TEST ANNULAR PREVENTER TO 250 PSI LOW AND 2,500 PSI HIGH WITH 3-1/2"TEST JOINT. -TEST UPPER 3-1/2"X 6"PIPE RAMS TO 250 PSI LOW AND 3,500 PSI HIGH WITH 3-1/2" TEST JOINT. -ALL OTHER COMPONENTS TESTED TO 250 PSI LOW,5,000 PSI HIGH WITH 4"TEST JT; TEST TO 5,000 PSI MAX WORKING PRESSURE DESIRED AFTER SUMMER MAINTENANCE TO PROVE SYSTEM INTEGRITY. -DID NOT TEST BOTTOM 2-7/8"X 5"PIPE RAMS DUE TO TUBING HANGER STILL INSTALLED IN WELLHEAD;ALLOWED PER SUNDRY DISPENSATION. -ALL TESTS PASSED WITH THE EXCEPTION OF THE LOWER AND MANUAL IBOPS,WHICH WERE REMOVED AND REPLACED;THEY PRESSURE TESTED GOOD AFTER WORK (SEE 1800-2200 HRS TIME BLOCK BELOW). -NAD TOOLPUSHER CHRIS WEAVER,BP WSL MATT MARTYN,AND AOGCC REP JOHN CRISP WITNESSED TEST. 18:00 - 22:00 4.00 BOPSUR N RREP -7.9 DECOMP CHANGE OUT IBOP AND SAVER SUB. -BD CHOKE MANIFOLD AND CHOKE AND KILL LINES. -PT LOWER IBOP AND MANUAL IBOP TO 250 PSI AND 3,500 PSI HIGH;TEST GOOD. -NAD TOURPUSHER BIFF PERRY AND BP WSL GATOR PLATT WITNESSED TEST. 22:00 - 23:00 1.00 WHSUR P DECOMP RD TEST EQUIPMENT AND PULL BLANKING PLUG. 23:00 - 00:00 1.00 WHSUR P DECOMP RU DSM LUBRICATOR AND EXTENSION. 7/26/2010 00:00 - 03:30 3.50 WHSUR N HMAN DECOMP RU AND ATTEMPT TO PULL BPV. -HAD ISSUES WITH RUNNING TOOL BEING DAMAGED DUE TO NOT CENTRALIZING IN STACK ON FIRST RIH. 03:30 - 04:30 1.00 WHSUR P DECOMP -GOT NEW RUNNING TOOL ON LOCATION AND SUCCEEDED IN PULLING BPV. Printed 9/14/2010 8:49:49AM • North America -ALASKA- BP Page 3 of 14 Operation Summary Report Common Well Name:05-33 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date: 7/24/2010 End Date: 8/13/2010 X3-00VWD-C(3,695,865.00) Project:Prudhoe Bay Site: PB DS 05 Rig Name/No.:NABORS 7ES Spud Date/Time: Rig Release:8/12/2010 Rig Contractor:NABORS ALASKA DRILLING INC. UWI: Active Datum:05-33B ACTUAL @62.1ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 04:30 - 05:30 1.00 PULL P DECOMP PU LANDING JT&PULL 3-1/2"TUBING HANGER TO RIG FLOOR. -BOLDS. -XO MADE UP CORRECTLY TO 6-1/2 TURNS PER FMC TECH. -PU WT 65K,WHICH WAS CALCULATED BUOYED STRING WEIGHT+TD. 05:30 06:00 0.50 PULL P DECOMP CIRCULATE SURFACE TO SURFACE THROUGH 3-1/2"TUBING CUT AT 4,480'. -157 BBLS,450 GPM,1,150 PSI. -25-BBL BARAKLEAN(SAME AS SAFE-SURF-O)PILL. 06:00 - 11:30 5.50 PULL P DECOMP PULL 3-1/2",9.3#, L-80 FOX TUBING FROM 4,480'ELM TO SURFACE. -LD TUBING HANGER. -RU CONTROL LINE SPOOLER FOR.25"SSSV CONTROL LINE TO 2,231'. -RECOVER 101 FULL JTS,ONE 17.90'CUT JT, 54 SS BANDS,1 SSSV,1 GAS LIFT MANDREL, AND 2,231'OF.25"CONTROL LINE. -NOTE BULGE IN 3-1/2"PIPE AT 4,422'ELM WHERE E-LINE FIRST ATTEMPTED TO CUT STRING. 11:30 - 12:00 0.50 RIGD P DECOMP RD TUBING HANDLING EQUIPMENT. 12:00 - 15:00 3.00 BOPSUR P DECOMP PRESSURE TEST LOWER 2-7/8"X 5"PIPE RAMS TO 250 PSI LOW AND 5,000 PSI HIGH WITH 4"TEST JT AND TO 250 PSI LOW AND 3,500 PSI HIGH WITH 3.5"TEST JT. -SET 6-7/8"ID WEAR RING. 15:00 - 15:30 0.50 CLEAN N DPRB DECOMP PU 7"CASING SCRAPER BHA. -CONSISTS OF 3.5"MULE SHOE,XO,7" CASING SCRAPER,BIT SUB,AND FLOAT SUB W/FLOAT. 15:30 - 17:00 1.50 CLEAN N DPRB 321.1 DECOMP RIH WITH 7"CASING SCRAPER BHA ON 4"DP SINGLES FROM THE PIPESHED TO 329'. -ATTEMPT TO CIRCULATE OUT RESIDUAL CEMENT FROM SQUEEZE JOB ON DS 15-27B. -PRESSURE UP TO 3,600 PSI; DP PACKED OFF WITH CEMENT. -BLEED PRESSURE. 17:00 - 18:00 1.00 CLEAN N DPRB DECOMP POH TO BHA DROPPING 2.25"DRIFT. -MONITOR WELL: HOLE ON SLIGHT DRINK OF 2 BBLS/HR. -4"DP PLUGGED WITH CEMENT IN THREE JTS; CLEANED CEMENT OUT OF EACH JT. -MW IN AND OUT 9.8 PPG NACL BRINE. 18:00 - 20:00 2.00 CLEAN N DPRB DECOMP LD 7"CASING SCRAPER BHA. CLEANED CEMENT OUT OF PLUGGED BHA. Printed 9/14/2010 8:49:49AM North America -ALASKA- BP Page 4 of 14 Operation Summary Report Common Well Name:05-33 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date: 7/24/2010 End Date: 8/13/2010 X3-00VWD-C(3,695,865.00) Project: Prudhoe Bay Site: PB DS 05 Rig Name/No.:NABORS 7ES Spud Date/Time: Rig Release: 8/12/2010 Rig Contractor:NABORS ALASKA DRILLING INC. UWI: Active Datum:05-33B ACTUAL @62.1ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 20:00 - 23:30 3.50 CLEAN N DPRB 936.1 DECOMP RIH WITH 4"MULE SHOE ON 4"DP SINGLES FROM THE PIPESHED. -CIRCULATE AT 320';257 GPM,88 PSI. -PACKED OFF AT 630'AT 3,000 PSI; REVERSE IN AT 500 PSI; PRESSURE UP GOING THE LONG WAY TO 3,000 PSI AND BREAK FREE. -CIRCULATE AT 630';570 GPM,327 PSI,110 RPM,.5K TQ. -AT 630',45K PU WT,42K SO WT,44K ROT WT. -PACKED OFF AGAIN AT 944'AT 3,000 PSI; REVERSE IN AT 500 PSI;PRESSURE UP GOING THE LONG WAY TO 3,800 PSI—NO CIRCULATION. 23:30 - 00:00 0.50 CLEAN N DPRB 842.1 DECOMP POH 1 STAND TO 850'. MONITOR WELL;HOLE ON SLIGHT DRINK OF 2 BBLS/HR. -WORK CEMENT OUT OF STAND. -MW IN AND OUT 9.8 PPG NACL BRINE. 7/27/2010 00:00 - 01:00 1.00 CLEAN N DPRB DECOMP LD 1 JT OF COMPLETELY PACKED-OFF 4"DP TO PIPESHED, PU 1 4"DP SINGLE,AND PU RACKED BACK 4"DP STAND FROM DERRICK AND RIH. -MADE DECISION TO RACK BACK 10 STANDS OF 4"DP AFTER WE CONFIRMED WE COULD CIRCULATE THROUGH THEM AT 570 GPM, 400 PSI. 01:00 - 01:30 0.50 CLEAN N DPRB DECOMP POH WITH 10 4"DP STANDS FROM 940'. 01:30 - 06:30 5.00 CLEAN N DPRB DECOMP CONTINUE TO PU CEMENT-CONTAMINATED 4"HT-40 DP SINGLES FROM THE PIPESHED (45 ADDITIONAL JTS)AND REMOVE CEMENT FROM PIPE. -WORK TO REMOVE AS MUCH CEMENT AS POSSIBLE FROM PIPE ON RIG FLOOR. -RIH TO 2354'WITH RELATIVELY DESCALED JTS AND PUMP THROUGH AT PRESSURES UP TO 3,000 PSI TO BLOW OUT CEMENT FROM 4"DRILL STRING AT VARIOUS DEPTHS. 06:30 - 09:00 2.50 CLEAN N DPRB DECOMP CONTINUE TO PU DRILL PIPE FROM 2354'TO 4492'MD 09:00 - 10:30 1.50 CLEAN N DPRB DECOMP CIRCULATE NUT PLUG SWEEP AROUND AT 560 GPM AND 1220 PSI. MONITOR WELL 10:30 - 12:30 2.00 CLEAN N DPRB DECOMP POOH FROM 4492'TO SURFACE 12:30 - 13:30 1.00 CLEAN P DECOMP PU BHA#2:MULE SHOE,7"CASING SCRAPER AND FLOAT 13:30 - 15:30 2.00 CLEAN P DECOMP RIH WITH 4"DP TO 4433'MD 15:30 - 16:30 1.00 CLEAN P DECOMP WASH DOWN FROM 4433'TO TUBING STUB AT 4492'MD. PU TO 4482'MD AND CIRCULATE 190 BBLS OF 9.8 PPG BRINE AT 579 GPM AND 2094 PSI -100 RPM,1.5K TQ -95K PUW,90K SOW,80K RTW SLOW PUMP RATES TAKEN,MONITOR WELL. 9.8 PPG BRINE IN AND OUT LD 2 JOINT OF DP 16:30 - 17:00 0.50 CLEAN P DECOMP SLIP AND CUT 110'OF DRILLING LINE 17:00 - 17:30 0.50 CLEAN P DECOMP SERVICE TOP DRIVE Printed 9/14/2010 8:49:49AM North America -ALASKA- BP Page 5 of 14 Operation Summary Report Common Well Name: 05-33 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 7/24/2010 ' End Date: 8/13/2010 X3-00VWD-C(3,695,865.00) Project:Prudhoe Bay Site: PB DS 05 Rig Name/No.: NABORS 7ES Spud Date/Time: Rig Release:8/12/2010 Rig Contractor:NABORS ALASKA DRILLING INC. UWI: Active Datum:05-33B ACTUAL @62.1ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations hr) ft 17:30 - 19:30 2.00 CLEAN P DECOMP MONITOR WELL,9.8 PPG BRINE IN AND OUT. POOH FROM 4482'TO BHA 19:30 - 20:00 0.50 CLEAN P DECOMP MONITOR WELL,9.8 PPG BRINE IN AND OUT. LD BHA#2 20:00 - 21:00 1.00 EVAL P DECOMP RU SLB E-LINE 21:00 - 00:00 3.00 EVAL P DECOMP RIH WITH GR/USIT/CCL ON E-LINE 7/28/2010 00:00 - 02:00 2.00 EVAL P . DECOMP USIT LOG FROM 4430'MD TO SURFACE AT 3600 FPH 02:00 - 03:00 1.00 DHB P DECOMP RU EZSV AND CHARGES ON E-LINE 03:00 - 04:00 1.00 DHB P . DECOMP RIH WITH EZSV ON E-LINE AND SET TOP OF PLUG AT 4280'WIRELINE DEPTH 04:00 - 05:00 1.00 DHB P DECOMP POOH AND LD EZSV RUNNING TOOL. 05:00 - 05:30 0.50 DHB P DECOMP PRESSURE TEST EZSV TO 2500 PSI FOR 30 MIN. LOST 50 PSI IN THE FIRST 15 MIN AND 17 PSI IN THE SECOND 15 MIN 05:30 - 06:00 0.50 FISH P DECOMP MU 7"CASING CUTTER AND RIH. 05:30 - 05:30 0.00 DHB P DECOMP RD SLB E-LINE 06:00 - 09:30 3.50 FISH P - DECOMP RIH WITH 7"CASING CUTTER PICKING UP DP TO 3500'MD. 09:30 - 10:30 1.00 FISH P DECOMP CUT CASING AT 3949'MD -171 GPM,1000 PSI, -60 RPM,1K TQ 600 PSI INCREASE IN PRESSURE ON THE OA 10:30 - 11:30 1.00 FISH P DECOMP CLOSE BAG AND CBU 1X AT 520 GPM AND ■ 2000 PSI. PUMP BARAKLEAN PILL THROUGH OA AT 252 GPM AND 672 PSI. 11:30 - 12:30 1.00 FISH P DECOMP MONITOR WELL,9.8 PPG BRINE IN AND OUT POOH FROM 3935'TO 3489'MD 12:30 - 14:30 2.00 WHSUR P DECOMP MU 7"STORM PACKER AND SET AT 34'MD. CUTTER DEPTH AT 3542'MD. PRESSURE TEST STORM PACKER TO 1500 PSI FOR 30 MIN. 14:30 - 16:00 1.50 WHSUR P -- DECOMP PULL WEAR BUSHING. BACK OUT LOCK DOWN SCREWS AND PULL 7"PACK-OFF. 16:00 - 18:00 2.00 WHSUR P DECOMP ND BOPE AND RAISE. TACK WELD SLIPS 18:00 - 20:30 2.50 WHSUR P ■- DECOMP NU BOPE AND SET NEW 7"PACK-OFF,RILDS AND PRESSURE TEST VOID TO 4200 PSI FOR 30 MIN. RD PACK-OFF RUNNING TOOL. 20:30 - 22:00 1.50 BOPSUR P ■- DECOMP CHANGE TOP RAMS TO "AND PRESSURE TEST TO 250 PSI LOW AND 3500 PSI HIGH. INSTALL WEAR RING. 22:00 - 23:30 1.50 FISH P DECOMP MU STORM PACKER RUNNING TOOL. UNABLE TO STING IN. WASH DOWN ON TOP OF PACKER. STING TOOL INTO PACKER AND UNSEAT. PULL TO RIG FLOOR AND LD 23:30 - 00:00 0.50 FISH P -_ DECOMP MONITOR WELL,9.8 PPG BRINE IN AND OUT. POOH FROM 3489'TO 3206'MD 7/29/2010 00:00 - 01:00 1.00 FISH P DECOMP POOH WITH CASING CUTTER FROM 3206'TO SURF. 01:00 - 01:30 0.50 FISH P -_ DECOMP LD CASING CUTTER AND CLEAN AND CLEAR RIG FLOOR 01:30 - 02:00 0.50 FISH P DECOMP BACK OUT LDS AND PULL 7"PACK-OFF 02:00 - 04:30 2.50 FISH P DECOMP PU 7"CASING SPEAR AND STING INTO 7" CASING. PU 180K TO FREE CASING. 130K PUW. PULL SPEAR TO RIG FLOOR. RU TO LD 7"CASING. RELEASE SPEAR AND LD. Printed 9/14/2010 8:49:49AM North America -ALASKA- BP Page 6 of 14 Operation Summary Report Common Well Name: 05-33 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:7/24/2010 End Date: 8/13/2010 X3-00VWD-C(3,695,865.00) Project:Prudhoe Bay Site:PB DS 05 Rig Name/No.:NABORS 7ES Spud Date/Time: Rig Release: 8/12/2010 Rig Contractor:NABORS ALASKA DRILLING INC. UWI: Active Datum:05-33B ACTUAL©62.1 ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 04:30 - 09:30 5.00 FISH P DECOMP LD 3950'OF 7"CASING AND REMOVE CENTRALIZERS 09:30 - 10:30 1.00 FISH P DECOMP RD CASING EQUIPMENT AND CLEAN AND CLEAR RIG FLOOR 10:30 - 11:30 1.00 BOPSUR P DECOMP CHANGE UPPER RAMS FROM 7"TO 3-1/2"X 6" VARIABLES. 11:30 - 12:00 0.50 BOPSUR P DECOMP RU AND TEST UPPER RAMS TO 250 LOW AND 3500 PSI HIGH WITH 4"TEST JOINT 12:00 - 12:30 0.50 BOPSUR P DECOMP LD TEST TOOL AND PLUG. INSTALL WEAR RING 12:30 - 16:30 4.00 CLEAN P WEXIT MU BHA#5:8-3/4"BIT,9-5/8"CASING SCRAPER,BIT SUB WITH FLOAT,8-3/4" UPPER MILL 16:30 - 18:00 1.50 CLEAN P WEXIT RIH FROM 945'TO 3860'MD 18:00 - 19:00 1.00 CLEAN P WEXIT WASH DOWN FROM 3860'TO TAG 7"CASING STUB AT 3949'MD. -100K PUW,110K SOW PU TO 3939'MD AND CIRCULATE 297 BBLS AT 440 GPM AND 1300 PSI 19:00 - 21:00 2.00 CLEAN P WEXIT_ SLOW PUMP RATES TAKEN MONITOR WELL,9.8 PPG BRINE IN AND OUT POOH FROM 3949'TO TOP OF BHA 21:00 - 22:30 1.50 CLEAN P WEXIT LD BHA#5 22:30 - 23:00 0.50 CLEAN P WEXIT CLEAN AND CLEAR RIG FLOOR 23:00 - 00:00 1.00 PXA P WEXIT RU E-LINE FOR EZSV RUN 7/30/2010 00:00 - 02:00 2.00 PXA P WEXIT RIH WITH EZSV ON SLB E-LINE AND SET TOP OF PLUG AT 3908'WIRELINE DEPTH,6' ABOVE CASING COLLAR AT 3914'WIRELINE DEPTH 02:00 - 02:30 0.50 PXA P WEXIT PRESSURE TEST 9-5/8"CASING AND EZSV TO 2500 PSI FOR 30 MIN. LOST 37 PSI IN THE FIRST 15 MIN AND 13 PSI IN THE SECOND 15 MIN. 02:30 - 03:00 0.50 PXA P WEXIT RD SLB E-LINE 03:00 - 05:00 2.00 STWHIP P WEXIT PU 9-5/8"WHIPSTOCK AND MILLING BHA TO 380'MD AS FOLLOWS:GEN 2 WHIPSTOCK, 8-1/2"WINDOWN MILL,8-3/8"LOWER WINDOW MILL,FLEX JOINT,8-3/4"UPPER MILL AND MWD 05:00 - 08:00 3.00 STWHIP P WEXIT RIH FROM 380'MD TO 3859'MD. SHALLOW HOLE TEST MWD AT 1101'MD 108:00 - 08:30 0.50 STWHIP P WEXIT ORIENT WHIPSTOCK 92 DEG RIGHT OF HIGHSIDE. 105K SOW,112K PUW. 451 GPM AND 1400 PSI. NOTICE 300 PSI PRESSURE LOSS. MWD TURBINE RPM SHOWED FULL FLOW GOING THROUGH MWD. SUSPECT WASHOUT BELOW MWD. SET WHIPSTOCK WITH 25K DOWN.BOTTOM OF WHIPSTOCK AT 3912'MD. CONFIRM SET WITH 25K DOWN, SHEAR OFF WHIPSTOCK WITH 55K. TOW=3890'MD BOW=3907'MD 08:30 - 09:30 1.00 STWHIP N DPRB 3,889.9 WEXIT MONITOR WELL,9.8 PPG MW IN AND OUT. POOH TO BHA AT 985'SEARCHING FOR WASHOUT. Printed 9/14/2010 8:49:49AM North America -ALASKA- BP Page 7 of 14 Operation Summary Report Common Well Name:05-33 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 7/24/2010 End Date:8/13/2010 X3-00VWD-C(3,695,865.00) Project:Prudhoe Bay Site: PB DS 05 Rig Name/No.: NABORS 7ES Spud Date/Time: Rig Release:8/12/2010 Rig Contractor:NABORS ALASKA DRILLING INC. UWI: Active Datum:05-33B ACTUAL @62.1ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 09:30 - 11:00 1.50 STWHIP N DPRB 3,889.9 WEXIT STAND BACK HWDP AND DRILL COLLARS. LD MWD AND CIRCULATE THROUGH FLOAT SUB,5"HWDP,UPPER MILL,FLEX JOINT, LOWER WINDOW MILL AND 8.5"WINDOW MILL WITH NO PRESSURE LOSS. VISIBLY INSPECTED FOR LEAKS,NO LEAKS FOUND 11:00 - 12:30 1.50 STWHIP N DPRB 3,889.9 WEXIT RIH WITH MILL ASSEMBLY AND DRILL sN yD COLLARS TO 331'MD. CONTINUE TO RIH BHA TO 956'MD 3/ 12:30 - 14:00 1.50 STWHIP N DPRB 3,889.9 WEXIT RIH ON 4"DP FROM 956'TO 3880'MD. 14:00 - 15:30 1.50 STWHIP P WEXIT MONITOR WELL. DISPLACE TO 10.2 PPG LSND MILLING FLUID AT 456 GPM AND 960 PSI. SPOT CHECK FOR GAIN/LOSS DURING DISPLACEMENT. SLOW PUMP RATES TAKEN MONITOR WELL —33b 15:30 - 20:30 5.00 STWHIP P WEXIT MILL WINDOW FROM 3890'TO 3907'MD. I -458 GPM,1025 PSI d -80 RPM,4-6 K TORQUE -15K WOB -110K PUW,102K SOW,105K RTW DRILL NEW FORMATION FROM 3898'TO MD 20:30 - 21:30 1.00 STWHIP P WEXIT CIRCULATE,ROTATE AND RECIPRICA WHILE PUMPING SUPER SWEEP. WORK UPPER MILLS ACROSS WINDOW -462 GPM,990 PSI -100 RPM,2K TQ -110K PUW,102K SOW 21:30 - 22:30 1.00 STWHIP P WEXIT PJSM,RU LINES AND PERFORM LOT TO• s PSI AT 3890'MD/3797'TVD. 10.2 PPG MW IN L 6 AND OUT. 15 PPG EMW LOT. 22:30 - 23:30 1.00 STWHIP P WEXIT MONTIOR WELL,10.2 PPG MW IN AND • PUMP DRY JOB. POOH FROM 3870'TO 956' MD 23:30 - 00:00 0.50 STWHIP P WEXIT PJSM,LD BHA#7,UPPER MILL IN GAUGE. —50%WEAR ON PILOT MILL 7/31/2010 00:00 - 01:30 1.50 STWHIP P WEXIT CONTINUE TO LD BHA MILLING BHA 01:30 - 02:30 1.00 STWHIP P WEXIT REMOVE WEAR RING FUNCTION RAMS,JET BOPE STACK AND BLOW DOWN CHOKE I _ KILL LINES. INSTALL WEAR RING. 02:30 - 03:30 1.00 STWHIP P WEXIT SERVICE TOP DRIVE,CHANGE OUT LINK HYDRALIC HOSES AND ADJUST BRAKES ON DRAW WORKS 03:30 - 05:30 2.00 STWHIP P WEXIT PJSM,PU BHA#8:8-3/4"DTX-619M-D6 DRILL BIT,XP 1.5 DEG MOTOR,ARC6,TELESCOPE MWD AND GHOST REAMER to 899'and 05:30 - 08:00 2.50 STWHIP P WEXIT SHALLOW HOLE TEST MWD. RIH FROM 899' TO 3670'MD. MAD PASS FROM TO 3820'AT 360'PER HOUR. ORIENT 90R AND CONTINE TO MAD PASS TO 3930'MD. NO FILL ON BOTTOM. 108K PUW,100K SOW Printed 9/14/2010 8:49:49AM North America -ALASKA- BP Page 8 of 14 Operation Summary Report Common Well Name:05-33 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 7/24/2010 I End Date: 8/13/2010 X3-00VWD-C(3,695,865.00) Project: Prudhoe Bay Site: PB DS 05 Rig Name/No.: NABORS 7ES Spud Date/Time: Rig Release:8/12/2010 Rig Contractor: NABORS ALASKA DRILLING INC. UWI: Active Datum:05-33B ACTUAL @62.1ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 08:00 - 12:00 4.00 DRILL P INT1 DRILL AHEAD IN 8-3/4"INTERMEDIATE HOLE FROM 3930'TO 4193'MD. - 570 GPM,2015 PSI ON,1905 PSI OFF - 80 RPM,4K TQ ON,3K TQ ON - 115K PUW,100K SOW,105K RTW -CALC ECD= 10.59 PPG,ACTUAL=10.78 PPG -ADT=1.14,AST=.36,ART=.78 HRS SLOW PUMP RATES TAKEN 12:00 - 00:00 12.00 DRILL P INT1 DRILL AHEAD IN 8-3/4"INTERMEDIATE HOLE FROM 4193'TO 5419'MD. - 570 GPM,2470 PSI ON,2285 PSI OFF - 80-100 RPM,5K TQ ON,3K TQ ON - 135K PUW,110K SOW,120K RTW -CALC ECD=10.57 PPG,ACTUAL= 11.23 PPG -ADT=7.36,AST=3.5,ART=3.86 HRS SLOW PUMP RATES TAKEN 8/1/2010 00:00 - 12:00 12.00 DRILL P INT1 DRILL AHEAD IN 8-3/4"INTERMEDIATE HOLE FROM 5419'TO 7110'MD. - 570 GPM,3250 PSI ON,2910 PSI OFF - 100 RPM,8K TQ ON,,6K TQ ON - 175K PUW,125K SOW,140K RTW -CALC ECD=10.59 PPG,ACTUAL= 11.08 PPG -ADT=7.96,AST=1.74,ART=6.22 HRS SLOW PUMP RATES TAKEN 12:00 - 18:00 6.00 DRILL P INT1 DRILL AHEAD IN 8-3/4"INTERMEDIATE HOLE FROM 7110'TO 7696'MD. - 570 GPM,3650 PSI ON,3274 PSI OFF - 100 RPM,8K TQ ON,6K TQ ON - 175K PUW,125K SOW,140K RTW -CALC ECD= 10.59 PPG,ACTUAL= 11.08 PPG -ADT=4.03,AST=1.83,ART=2.20 HRS SLOW PUMP RATES TAKEN 18:00 - 20:00 2.00 DRILL N SFAL 7,695.9 INT1 PULSATION DAMPENER FLANGE AND BLOCK FLANGE WASHED OUT ON#1 MUD PUMP. PU FROM 7696'TO 7675 AND CIRCULATE AND RECIPRICATE WHILE REPAIRING PUMP. -261 GPM,1014 PSI -80 RPM,6K TQ -195K PUW,135K SOW,150K RTW 20:00 - 00:00 4.00 DRILL N SFAL 7,695.9 INT1 BACKREAM OUT OF HOLE FROM 7675'TO 6050'MD WHILE FIXING MUD PUMP#1. -272 GPM,1140 PSI -160K PUW,118K SOW,130K RTW SLOWED BACKREAMING FROM 6533'TO 6059'MD TORQUING UP AND OVERPULL. 8/2/2010 00:00 - 03:00 3.00 DRILL N SFAL 7,695.9 INT1 BACK REAM OUT OF HOLE FROM 6050'TO WINDOW AT 3820'MD WHILE FIXING PUMP #1. -270 GPM,840 PSI -80 RPM,4.5K TQ -115K PUW,98K SOW,105K RTW MONITOR WELL,STATIC 10.2 PPG MW IN AND OUT 03:00 - 04:00 1.00 DRILL P INT1 PJSM,CUT AND SLIP 104'OF DRILLING LINE 04:00 - 04:30 0.50 DRILL P -_ INT1 SERVICE TD,BLOCKS,CROWN AND DRAW WORKS. INSPECT BRAKES Printed 9/14/2010 8:49:49AM North America-ALASKA-BP Page 9 of 14 Operation Summary Report Common Well Name:05-33 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 7/24/2010 End Date: 8/13/2010 X3-00VWD-C(3,695,865.00) Project: Prudhoe Bay Site: PB DS 05 Rig Name/No.: NABORS 7ES Spud Date/Time: Rig Release: 8/12/2010 Rig Contractor:NABORS ALASKA DRILLING INC. UWI: Active Datum:05-33B ACTUAL @62.1ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 04:30 - 06:30 2.00 DRILL N SFAL 7,695.5 INT1 CONTINUE TO REPAIR PULSATION DAMPENER AND PUMP OUTLET FLANGE 06:30 - 08:30 2.00 DRILL N SFAL 7,695.5 INT1 RIH FROM 3820'TO 7675'MD. WASH DOWN TO 7695'MD. -210 GPM,800 PSI -20 RPM,6K TQ -195K PUW,135K SOW,150K RTW 08:30 - 12:00 3.50 DRILL P INT1 DRILL AHEAD IN 8-3/4"INTERMEDIATE HOLE FROM 7696'TO 7885'MD. - 550 GPM,3660 PSI ON,3350 PSI OFF -15K WOB - 100 RPM,8.5K TQ ON,7K TQ ON - 193K PUW,135K SOW,153K RTW -CALC ECD= 10.56 PPG,ACTUAL=10.93 PPG -ADT=1.89,AST=0.7,ART=1.19 HRS SLOW PUMP RATES TAKEN 12:00 - 21:00 9.00 DRILL P INT1 DRILL AHEAD IN 8-3/4"INTERMEDIATE HOLE FROM 7885'TO 8376'MD. - 541 GPM,3690 PSI ON,3468 PSI OFF -10-15K WOB - 100 RPM,7K TQ ON,6K TQ ON - 185K PUW,140K SOW,160K RTW -CALC ECD= 10.54 PPG,ACTUAL=10.81 PPG SLOW PUMP RATES TAKEN 21:00 - 21:30 0.50 DRILL N RREP 8,368.1 INT1 CHANGE PISTON ON#2 MUD PUMP. SET STAND BACK. CIRCULATE AND RECIPRICATE FROM 8332'TO 8238'MD -280 GPM,1223 PSI -80 RPM,6K TQ -160K RTW 21:30 - 00:00 2.50 DRILL P INT1 DRILL AHEAD IN 8-3/4"INTERMEDIATE HOLE FROM 8376'TO 8433'MD. - 541 GPM,3690 PSI ON,3468 PSI OFF - 10-15K WOB - 100 RPM,7K TQ ON,6K TQ ON - 185K PUW,140K SOW,160K RTW -CALC ECD= 10.54 PPG,ACTUAL= 10.81 PPG -ADT=7.76,AST=4.45,ART=3.31 HRS SLOW PUMP RATES TAKEN 8/3/2010 00:00 - 03:00 3.00 DRILL P INT1 DRILL AHEAD IN 8-3/4"INTERMEDIATE HOLE FROM 8433'TO TD AT 8754'MD. - 541 GPM,3690 PSI ON,3468 PSI OFF - 15K WOB - 100 RPM,7K TQ ON,6K TQ ON - 185K PUW,140K SOW,160K RTW -CALC ECD= 10.54 PPG,ACTUAL= 10.81 PPG 03:00 - 05:00 2.00 DRILL P INT1 CIRCULATE CBU 1.5X FOR SAMPLES TO CONFIRM TSGR. -550 GPM,3541 PSI. RECIPRICATE AND ROTATE PIPE AT 100 RPM FROM 8743'TO 8711'MD 05:00 - 05:30 0.50 DRILL P INT1 MONITOR WELL,10.2 PPG MW IN AND OUT SHORT TRIP FROM 8754'TO 7670'MD -195K PUW,133K SOW 05:30 - 06:00 0.50 DRILL P INT1 RIH FROM 7670'TO 8754'MD -195K PUW,145K SOW Printed 9/14/2010 8:49:49AM North America -ALASKA- BP Page 10 of 14 Operation Summary Report Common Well Name:05-33 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date: 7/24/2010 End Date:8/13/2010 X3-00VWD-C(3,695,865.00) Project:Prudhoe Bay Site: PB DS 05 Rig Name/No.:NABORS 7ES Spud Date/Time: Rig Release:8/12/2010 Rig Contractor:NABORS ALASKA DRILLING INC. UWI: Active Datum:05-33B ACTUAL @62.1ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 06:00 - 07:30 1.50 DRILL P INT1 CIRCULATE HIGH VISCOSITY SWEEP AT 550 GPM AND 3200 PSI -100 RPM,7.5K TQ,165K RTW 07:30 - 11:00 3.50 DRILL P INT1 MONITOR WELL,10.2 PPG MW IN AND OUT POOH FROM 8754'TO 7298'MD. PUMP DRY JOB AND CONTINUE TO POOH FROM 7298' TO 899'MD 11:00 - 14:30 3.50 DRILL P INT1 MONITOR WELL,10.2 PPG MW IN AND OUT PJSM,LD BHA#8:DTX-619M-D6 GRADED 3-2-BT-T-X-1-WT-TD CLEAN AND CLEAR RIG FLOOR 14:30 - 16:30 2.00 BOPSUR P INT1 PULL WEAR RING,AND INSTALL TEST PLUG. CHANGE OUT UPPER RAMS TO 7". PRESSURE TEST TO 250 LOW AND 3500 PSI HIGH. RD TEST EQUIPMENT. 16:30 - 19:00 2.50 CASING P INT1 RU STABBING BOARD,7"350 SLIPS AND ELEVATORS,FRANK'S FILL UP TOOL AND TORQUE TURN EQUIPMENT. 19:00 - 00:00 5.00 CASING P INT1 RIH WITH 7"26#L-80 VAMTOP CASING TO 2504'MD. BAKERLOK SHOE TRACK AND CHECK FLOATS. CIRCULATE DOWN EVERY 10TH JT WITH FRANKS FILL UP TOOL. TORQUE TURN TO 12085 FT/LBS -95K PUW,92K SOW 8/4/2010 00:00 - 01:30 1.50 CASING P INT1 RIH WITH 7"26#L-80 VAMTOP CASING FROM 2504'MD TO WINDOW AT 3890'MD. CIRCULATE DOWN EVERY 10TH JT WITH FRANKS FILL UP TOOL. TORQUE TURN TO 12085 FT/LBS -95K PUW,92K SOW 01:30 - 02:30 1.00 CASING P INT1 CIRCULATE 1.5 CASING VOLUMES,STAGE PUMPS UP TO 7 BPM AND 540 PSI 02:30 - 10:00 7.50 CASING P INT1 RIH WITH 7"26#L-80 VAMTOP CASING FROM 3890'MD TO 8390'MD. CIRCULATE DOWN EVERY 10TH JT WITH FRANKS FILL UP TOOL. TORQUE TURN TO 12085 FT/LBS -275K PUW,175K SOW 10:00 - 11:00 1.00 CASING P INT1 CBU 1X,STAGE PUMPS UP TO 5 BPM AND 650 PSI 11:00 - 12:00 1.00 CASING P INT1 CONTINUE TO RIH FROM 8390'TO 8754'MD. RD FRANKS TOOL,RU CEMENT HEAD 12:00 - 14:00 2.00 CASING P INT1 TAG TD AT 8754'MD, PU TO 8753'MD AND STAGE PUMPS UP TO 5 BPM AND 550 PSI. 285K PUW,180K SOW PJSM WITH SLB CEMENTERS,BATCH MIX CEMENT AT 13:55 Printed 9/14/2010 8:49:49AM North America -ALASKA- BP — Page 11 of 14 Operation Summary Report Common Well Name:05-33 AFE No Event Type: RE-ENTER-ONSHORE(RON) I Start Date: 7/24/2010 End Date: 8/13/2010 X3-00VWD-C(3,695,865.00) Project:Prudhoe Bay Site: PB DS 05 Rig Name/No.: NABORS 7ES Spud Date/Time: Rig Release:8/12/2010 Rig Contractor: NABORS ALASKA DRILLING INC. UWI: Active Datum:05-33B ACTUAL©62.1ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 14:00 - 16:00 2.00 CEMT P INT1 SLB CEMENTERS PUMP 5 BBLS OF 12.6 PPG MUD PUSH.SHUT DOWN AND PRESSURE TEST LINES TO 4000 PSI. PUMP ANOTHER 20 BBLS,25 BBLS TOTAL OF 12.6 PPG MUD PUSH AT 5 BPM AND 570 PSI. DROP BOTTOM PLUG AND PUMP 42 BBLS/204 SACKS OF 15.8, CLASS G CEMENT(1.16 CUFT/SACK)AT 5 BPM AND 410 PSI. KICK OUT TOP PLUG WITH RIG PUMPS AT 205 GPM AND 207 PSI. -80 BBLS DISPLACED,205 GPM,204 PSI, CAUGHT CEMENT -259 BBLS DISPLACED,205 GPM,303 PSI, MUD PUSH AT SHOE -288 BBLS DISPLACED,205 GPM,380 PSI, CEMENT AT SHOE SLOW TO 93 GPM FOR PLUG BLUG. PLUG DID NOT BUMP BEFORE CALCULATED STROKES. 16:00 - 17:00 1.00 CEMT N SFAL INT1 BLEED PRESSURE TO ZERO PSI. SUSPECT SUCTION VALVE ON PUMP CLOSED. CONSULT WITH ANCHORAGE AND DECIDE TO PUMP TO PLUG BUMP. 17:00 - 17:30 0.50 CEMT P INT1 SWITCH TO#2 MUD PUMP,VERIFY#2 MUD PUMPS DISPLACMENT,AND CONTINUE TO DISPLACE CEMENT WITH ANOTHER 38 BBLS AT 93 GPM AND SEE PRESSURE INCREASE FROM 417 PSI TO 1601 PSI. H 1MP PLU WITH 327 BBLS AND 1600 PSI AT 17:31 17:30 - 18:00 0.50 CEMT P INT1 PRESSURE TEST 7"CASING TO 3500 PSI FOR 30 MIN. LOST 0 PSI IN 30 MIN. CHECK FLOATS:GOOD 18:00 - 20:30 2.50 CEMT P INT1 MONITOR ANNULUS FOR THE AMOUNT OF TIME ESTIMATED TO NDNU BOPE STACK(3 HRS). 100 BC REACHED ON CEMENT AT 19:02. RIG DOWN CEMENTING EQUIPMENT, SUCK OUT 7"CASING 20:30 - 23:00 2.50 CEMT P INT1 ND BOPE STACK AND RAISE STACK. SET EMERGENCY CASING SLIPS WITH 270K WEIGHT. CUT 33.71 FT OFF OF CASING JT 212. 7.68 FT OF JT 212 LEFT IN HOLE. 23:00 - 00:00 1.00 CEMT P INT1 LD CUT JOINT AND INSTALL 7"PACKOFF 8/5/2010 00:00 - 00:30 0.50 CEMT P INT1 CONTINUE TO INSTALL PACKOFF 00:30 - 01:30 1.00 CEMT P INT1 PJSM, NU BOPE 01:30 - 03:30 2.00 CEMT P INT1 RU AND TEST PACKOFF TO 3500 PSI. LOST 252 PSI IN THE FIRST 15 MIN AND 57 PSI IN THE SECOND 15 MIN. TOTAL OF 309 PSI OVER THE ENTIRE TEST. Q 03:30 - 05:00 1.50 BOPSUR P INT1 CHANGE OUT UPPER RAMS FROM_T'JO �j�" 3-1/2"X 6"VARIABLES. TEST TO 250 PSI LOW AND 3500 PSI HIGH 05:00 - 08:00 3.00 CEMT P INT1 PJSM,PICK UP BHA#9:6-1/8"XR200D1GVPD SMITH BIT,1.5 DEG MOTOR, IMPULSE,ADN4 AND HYDRALIC JARS. SIM-OPS: RU LITTLE RED HOT OIL SERVICES AND PRESSURE TEST LINES TO 3500 PSI. 20 BBLS OF 10.2 PPG LSND,FOLLOWED BY 80 BBLS OF 12.4 PPG LSND MUD FOLLOWED BY 68 BBLS OF DEAD CRUDE DOWN THE OA Printed 9/14/2010 8:49:49AM North America -ALASKA- BP Page 12 of 14 Operation Summary Report Common Well Name:05-33 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date: 7/24/2010 End Date: 8/13/2010 X3-00VWD-C(3,695,865.00) Project:Prudhoe Bay Site: PB DS 05 Rig Name/No.: NABORS 7ES Spud Date/Time: Rig Release: 8/12/2010 Rig Contractor:NABORS ALASKA DRILLING INC. UWI: Active Datum:05-33B ACTUAL©62.1ft(above Mean Sea Level) Date I From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 08:00 12:00 4.00 CEMT P INT1 RIH PICKING UP DP FROM 225'TO 1165'MD. SHALLOW HOLE TEST MWD AND CONTINUE TO RIH TO 3704'MD 12:00 - 15:00 3.00 CEMT P INT1 RIH ON DP STANDS FROM 3704'TO 8593'MD SLOW PUMP RATES TAKEN 15:00 - 16:30 1.50 CEMT P INT1 WASH DOWN FROM 8593'TO FLOAT COLLAR AT 8669'MD. DRILL FLOAT COLLAR AND SHOE TRACK TO 8747'MD 200 GPM,1998 PSI ON,1940 PSI OFF -10KWOB -'50'RPM,6K TQ ON,6K TQ OFF -185K PUW,125K SOW,135K RTW 16:30 - 18:30 2.00 CEMT P INT1 MONITOR WELL,10.2 PPG MW IN AND OUT DISPLACE TO 8.5 PPG QUIKDRIL-N MUD AT 225 GPM AND 2167 PSI. SLOW PUMP RATES TAKEN 18:30 - 19:30 1.00 CEMT P INT1 _DRILL SHOE TRACK FROM 8747'TO 8754'MD. AND 20'OF NEW HOLE FROM 8754'TO 8774' MD -250 GPM,1670 PSI -40 RPM,2K TQ -10K WOB -170K PUW,147K SOW,150K RTW 19:30 - 20:30 1.00 CEMT P INT1 PU TO 8684'MD AND RU TO PREFORM FIT TEST. 8.6 PPG MW IN AND OUT PREFQRM FIT TQ 67Q PSI AT 8754'MD/8252' TVD. 10.1 PPG EMW 20:30 - 00:00 3.50 DRILL P PROD1 DRILL AHEAD IN 6-1/8"PRODUCTION HOLE FROM 8774'TO 8839'MD -245 GPM,1584 PSI ON,1495 PSI OFF -50 RPM,2K TQ ON,1.5K TQ OFF -10K WOB -165K PUW,147K SOW,147K RTW -ART=3.0 HRS,ADT=3.0 HRS 8/6/2010 00:00 - 12:00 12.00 DRILL P PROD1 DIRECTIONAL DRILL AHEAD IN 6-1/8" PRODUCTION HOLE BUILDING ANGLE FROM 19 DEG TO 60 DEG FROM 8839'TO 9407'MD -250 GPM,1820 PSI ON,1650 PSI OFF -50 RPM,3.5K TQ ON,3K TQ OFF -12KWOB -175K PUW,150K SOW,155K RTW -ADT=8.57,AST=6.54,ART=2.03 HRS SLOW PUMP RATES TAKEN 12:00 - 17:30 5.50 DRILL P PROD1 DIRECTIONAL DRILL AHEAD IN 6-1/8" PRODUCTION HOLE BUILDING ANGLE FROM 60 DEG TO 83 DEG FROM 9407'TO 9600'MD -250 GPM,1920 PSI ON,1745 PSI OFF -50 RPM,3.5K TQ ON,3K TQ OFF -12-15K WOB -177K PUW,148K SOW,155K RTW -ADT=3.88,AST=2.85,ART=1.03 HRS SLOW PUMP RATES TAKEN 17:30 - 19:00 1.50 DRILL P PROD1 CIRCULATE 157 BBLS AT 250 GPM AND 1760 PSI. MAD PASS FROM 9600'TO 9350'MD AT 360 FT/HR -250 GPM,1760 PSI -50 RPM,3K TQ 19:00 - 20:00 1.00 DRILL P PROD1 BACK REAM FROM 9350'TO 8687'MD. -250 GPM,1700 PSI -50 RPM,3K TQ Printed 9/14/2010 8:49:49AM North America -ALASKA- BP Page 13 of 14 Operation Summary Report Common Well Name:05-33 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date:7/24/2010 End Date:8/13/2010 X3-00VWD-C(3,695,865.00) Project: Prudhoe Bay Site: PB DS 05 Rig Name/No.: NABORS 7ES Spud Date/Time: Rig Release: 8/12/2010 Rig Contractor: NABORS ALASKA DRILLING INC. UWI: Active Datum:05-33B ACTUAL @62.1ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 20:00 - 21:00 1.00 DRILL P PROD1 CBU 1X AT 250 GPM AND 1655 PSI. -35 RPM,2.5K TQ -165K PUW,148K SOW,145K RTW MONITOR WELL FOR 10 MIN,STATIC,8.6 PPG MW IN AND OUT. PUMP DRY JOB 21:00 - 00:00 3.00 DRILL P PROD1 POOH FROM 8687'TO 225'MD 8/7/2010 00:00 - 01:30 1.50 DRILL P ._ PROD1 PJSM,LD BHA#9.6-1/8"XR20D1GVPD BIT GRADED: 2-3-WT-A-E-I-BT-BHA 01:30 - 06:30 5.00 BOPSUR P PROD1 PULL WEAR RING, RU AND TEST BOPE AND CHOKE MANIFOLD TO 250 PSI LOW AND 3500 PSI HIGH WITH 2-7/8"AND4-1/2"TEST JOINTS. TEST ANNULAR PREVENTER TO 250 PSI LOW AND 2500 PSI HIGH WITH 2-7/8" TEST JOINT WITNESS TO TEST WAIVED BY BOB NOBLE AT 18:30 ON 8/5/2010. TEST WITNESSED BY BP WSL RYAN CIOLKOSZ AND NAD TOOLPUSHER BIFF PERRY 06:30 - 07:30 1.00 BOPSUR P ■ PROD1 RD AND BLOW DOWN TEST EQUIPMENT. CLEAN AND CLEAR FLOOR. INSTALL WEAR RING 07:30 09:30 2.00 DRILL P PROD1 PJSM, O BHA#.5:DEG AIM M MOTOR, IMPULSE BIT,1.5 DEG AIM MOTOR, IMPULSE MWD AND ADN4 09:30 - 13:00 3.50 DRILL P PROD1 RIH FROM 232'TO 1172'MD AND SHALLOW HOLE TEST MWD AT 250 GPM AND 940 PSI. CONTINUE TO RIH TO 8695'MD. WASH TO BOTTOM AT 9600'MD, NO FILL. N -180K PUW,144K SOW SLOW PUMP RATES TAKEN 13:00 - 00:00 11.00 DRILL P PROD1 DIRECTIONAL DRILL AHEAD FROM 9600'TO 10028'MD AT 87-85 DEG INC. -250 GPM,2010 PSI,1820 PSI -60 RPM,5K TQ ON,3K TQ OFF -10K WOB -180K PUW,145K SOW,152K RTW ADT=7.5K,AST=6.32,ART=1.18 HRS 8/8/2010 00:00 - 12:00 12.00 DRILL P PROD1 DIRECTIONAL DRILL AHEAD FROM 10028'TO 10794'MD. TURN FROM 246 DEG AZM TO 275 DEG AND BUILD FROM 88 DEG TO 89 DEG INC. -250 GPM,2305 PSI,2040 PSI -60 RPM,6K TQ ON,3.5K TQ OFF -10K WOB -180K PUW,143K SOW,150K RTW ADT=8.2,ART=4.0,AST=4.2 HRS SLOW PUMP RATES TAKEN 12:00 - 20:00 8.00 DRILL P PROD1 DIRECTIONAL DRILL AHEAD FROM 10794'TO TD AT 11320'MD. HOLD AT 89 DEG INC AND 275-278 DEG AZM -250 GPM,2330 PSI,2110 PSI -70 RPM,6K TQ ON,3.5K TQ OFF -10KWOB -185K PUW,145K SOW,150K RTW ADT=5.5,ART=4.2,AST=1.3 HRS SLOW PUMP RATES TAKEN Printed 9/14/2010 8:49:49AM North America -ALASKA- BP Page 14 of 14 Operation Summary Report Common Well Name:05-33 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 7/24/2010 End Date:8/13/2010 X3-00VWD-C(3,695,865.00) Project:Prudhoe Bay Site: PB DS 05 Rig Name/No.:NABORS 7ES Spud Date/Time: Rig Release:8/12/2010 Rig Contractor:NABORS ALASKA DRILLING INC. UWI: Active Datum:05-33B ACTUAL©62.1ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 20:00 - 20:30 0.50 DRILL P PROD1 CIRCULATE 104 BBLS AT 250 GPM AND 2100 PSI AT 70 RPM AND 3.5K TQ. SHUT DOWN AND MONITOR WELL, STATIC,8.6 PPG MW IN AND OUT. 20:30 - 21:30 1.00 DRILL P ■- PROD1 BA5K FROM 11320'TO 10725'MD -250 GPM,2100 PSI -70 RPM,4K TQ 21:30 - 00:00 2.50 DRILL P PROD1 MAD PASS FROM 10725'TO 10199'MD AT 360 FPH -250 GPM,2050 PSI -50 RPM,4K TQ 8/9/2010 00:00 - 03:00 3.00 DRILL P PROD1 MAD PASS FROM 10199'TO 9640'MD AT 360 FPH -250 GPM,2050 PSI -50 RPM,4K TQ 03:00 - 04:00 1.00 DRILL P PROD1 BACK REAM FROM 9640'MD TO SHOE AT 8694'MD. -250 GPM,1640 PSI -50 RPM,2.5K TQ 167K PUW,142K SOW,142K RTW 04:00 - 05:30 1.50 DRILL P PROD1 CIRCULATE HIGH VIS SWEEP SURFACE TO SURFACE AT 250 GPM AND 1659 PSI SHUT DOWN AND MONITOR WELL,STATIC, 8.6 PPG MW IN AND OUT PUMP DRY JOB DROP 2.25"RABBIT. 05:30 - 08:30 3.00 DRILL P PROD1 POOH FROM 8694'TO 232'MD 08:30 - 10:00 1.50 DRILL P - PROD1 PJSM,LD BHA#10.MSF513DB1 C GRADED: 1-1 WT-A-X-I-ER-TD Printed 9/14/2010 8:49:49AM North America -ALASKA- BP Page 1 of 5 Operation Summary Report Common Well Name:05-33 AFE No Event Type:COM-ONSHORE(CON) Start Date: 8/9/2010 End Date: 8/12/2010 X3-00VWD-C(1,609,435.00) Project:Prudhoe Bay Site:PB DS 05 Rig Name/No.:NABORS 7ES Spud Date/Time: Rig Release: 8/12/2010 Rig Contractor:NABORS ALASKA DRILLING INC. UWI: Active Datum:05-33B ACTUAL @62.10ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 8/9/2010 10:00 - 11:30 1.50 CASING P RUNPRD PJSM,1311 TO RUN LINER 11:30 - 15:30 4.00 CASING P RUNPRD PJSM,MU SHOE TRACK AND RIH WITH 4.5" 12.6#IBT-M LINER TO 2742'MD.MU FLEXLOCK LINER HANGER AND HRD-E ZXPN LINER TOP PACKER AND RUNNING TOOL. MIX PAL MIX AND LET SET FOR 30 MIN. 65K PUW,65K SOW. FUNCTION PIPE SKATE KILL SWITCH. 15:30 - 16:00 0.50 CASING P RUNPRD CIRCULATE 1.5 LINER VOLUMES AT 5 BPM AND 300 PSI 16:00 - 20:30 4.50 CASING P RUNPRD RIH FROM 2742'TO 8666'. FILLING PIPE EVERY 10 STANDS -150K PUW,138K SOW 20:30 - 21:30 1.00 CASING P RUNPRD CBU 1X AT SHOE. STAGE PUMPS UP TO 5 BPM AND 730 PSI 21:30 - 00:00 2.50 CASING P RUNPRD RIH FROM 8666'TO 11289'MD. BREAK CIRCULATION EVERY 10 STDS. MU LINER CEMENT HEAD AND WASH TO BOTTOM. TAG UP AT 11320'MD -180K PUW,140K SOW 8/10/2010 00:00 - 03:00 3.00 CEMT P RUNPRD CIRCULATE AND CONDITON MUD FOR CEMENT JOB.,STAGE PUMPS. RECIPROCATE PIPE 15-20'. - 85 GPM,635 PSI. - 130 GPM,730 PSI. - 140 GPM,923 PSI. - 155 GPM,990 PSI. - 180 GPM,1,410 PSI. UNABLE TO PUMP HIGHER WITHOUT EXCEEDING LOW END HANGER SET PRESSURE. PJSM WITH SLB CEMENTERS. BEGIN BATCH MIXING CEMENT AT 0300 HRS. Printed 9/15/2010 2:13:37PM North America -ALASKA- BP Page 2 of 5 Operation Summary Report Common Well Name:05-33 AFE No Event Type:COM-ONSHORE(CON) Start Date: 8/9/2010 End Date: 8/12/2010 X3-00VWD-C(1,609,435.00) • Project:Prudhoe Bay Site: PB DS 05 Rig Name/No.: NABORS 7ES Spud Date/Time: Rig Release:8/12/2010 Rig Contractor: NABORS ALASKA DRILLING INC. •UWI: Active Datum:05-33B ACTUAL @62.10ft(above Mean Sea Level) Date I From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 03:00 - 05:00 2.00 CEMT P RUNPRD PUMP 5 BBLS OF 12.0 PPG MUD PUSH;SHUT DOWN AND PRESSURE TEST LINES TO 4,800 PSI. PUMP ANOTHER 20 BBLS OF MUD PUSH FOR A TOTAL OF 25 BBLS. SWAP OVER TO CEMENT AND PUMP 73 BBLS/350 SACKS OF 15.8 PPG CLASS G CEMENT(.1.17 C_U FT/SACK YIELD)AT 205 GPM AND 324 PSI. SWAP OVER TO RIG PUMPS AND RECIPROCATE PIPE AT 10-15'STROKES. KICK OUT PLUG AT 285 GPM AND 200 PSI. - 59 BBLS DISPLACEMENT,213 GPM,920 PSI. - 70 BBLS DISPLACEMENT,173 GPM,1,372 PSI. - 80 BBLS DISPLACEMENT,128 GPM,1,020 PSI; DROP RATE FOR PLUG LATCH AND STOP RECIPROCATION. PLUG LATCHED AT 90 BBLS DISPLACED AND 1,800 PSI; RESUME RECIPROCATION. -102 BBLS DISPLACEMENT,93 GPM,1,480 PSI,SLOW RATE TO STAY UNDER LINER HANGER SETTING PRESSSURE. -120 BBLS DISPLACEMENT,80 GPM,1,481 PSI; PARK PIPE FOR PLUG BUMP; BUMP PLUG AT 132 BBLS AWAY AND 1,755 PSI; CEMENT IN PLACE AT 0435 HRS. PRESSURE UP TO 3,329 PSI TO SET. HANGER, SLACK OFF 50K TO CONFIRM SET. BLEED OFF PRESSURE AND CHECK FLOATS -HOLDING. PRESSURE UP TO 4,500 PSI TO RELEASE HANGER. BLEED OFF PRESSURE AND PU 5'TO EXPOSE DOG SUB. PUW= 156K. RELEASED FROM LINER. ROTATE AT 25 RPM AND SLACK OFF 55K TO 100K DOWN WEIGHT TO SET LINER TOP PACKER. SHEARED AT 125K. PU AND REPEAT TO CONFIRM.PRESSURE UP AND PULL RUNNING TOOL OUT OF LINER TOP. 05:00 - 06:00 1.00 CEMT P RUNPRD CIRCULATE OUT CEMENT AT 505 GPM AND 2,441 PSI. SAW 20 BBLS OF CONTAMINATED CEMENT AT SURFACE. -MONITOR WELL FOR 15 MINUTES;STATIC. 06:00 - 07:00 1.00 CEMT P RUNPRD DISPLACE WELL TO 8.5 PPG SEAWATER. -550 GPM,2,520 PSI,520 BBLS. 07:00 - 09:30 2.50 CEMT P RUNPRD POH FROM 8,583'TO 2,821'. -PU WT 75K,SO WT 75K. _ 09:30 - 10:00 0.50 CEMT P RUNPRD SLIP AND CUT 145'OF DRILLING LINE. 10:00 - 10:30 0.50 CEMT P RUNPRD INSPECT DRAWWORKS AND BRAKES AND SERVICE BLOCKS,CROWN,AND TOP DRIVE. 10:30 - 12:00 1:50 CEMT P RUNPRD LD 4"DP TO PIPESHED FROM 2,821'TO 35'. 12:00 - 13:00 1.00 CEMT P RUNPRD LD LINER RUNNING TOOL;CONFIRM DOG SUB SHEARED. -CLEAN AND CLEAR RIG FLOOR. 13:00 - 14:00 1.00 CEMT P RUNPRD PRESSURE TEST 7"AND 4-1/2"CASING/LINER TO 3,50Q PSI. -BLED OFF 10 PSI IN FIRST 15 MINUTES;0 PSI BLED OFF IN LAST 15 MINUTES. -RD/BD LINES. 14:00 - 14:30 0.50 PERFOB P OTHCMP RU PERF GUN HANDLING EQUIPMENT. -ADJUST BRAKES. Printed 9/15/2010 2:13:37PM North America -ALASKA- BP Page 3 of 5 Operation Summary Report Common Well Name:05-33 AFE No Event Type:COM-ONSHORE(CON) Start Date:8/9/2010 End Date: 8/12/2010 X3-00VWD-C(1,609,435 00) Project:Prudhoe Bay Site: PB DS 05 Rig Name/No.:NABORS 7ES Spud Date/Time: Rig Release:8/12/2010 Rig Contractor: NABORS ALASKA DRILLING INC. UWI: Active Datum:05-33B ACTUAL @62.10ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 14:30 - 16:30 2.00 PERFOB P OTHCMP PJSM WITH ALL ASSOCIATED RIG HANDS AND SLB PERF GUN HANDS. -RIH WITH 2-7/8"PERF GUNS TO 1,241'. -2.88",6 SPF,2906 POWER JET CHARGES IN PERF GUNS. -PU AND SO WT 45K. 16:30 - 18:30 2.00 PERFOB P ■- OTHCMP RIH WITH 2-7/8"FOX PIPE FROM 1,241'TO 2,725'. -PU AND SO WT 55K. 18:30 - 22:00 3.50 PERFOB P OTHCMP RIH WITH 2-7/8"PERF GUNS AND FOX PIPE ON 4"DP STANDS FROM DERRICK FROM 2,725'. -TAG LANDING COLLAR/PLUG AT 11,236'. -PU 26'AND PLACE PERF GUNS ON DEPTH FOR FIRING SEQUENCE. -PERF INTERVALS WERE 10,000'-10,200', 8~ 10,400'-10,960',AND 11,090'-11210'FORA TOTAL OF 880'. -PU WT 165K,SO WT 145K. 22:00 - 23:00 1.00 PERFOB P OTHCMP PJSM WITH SLB TCP HANDS FOR PERF GUN FIRING. -PRACTICE FIRING SEQUENCE. -PERFORM FIRING SEQUENCE PER TCP HAND. -GOOD INDICATION ON SURFACE OF SHOTS FIRING;WELL IMMEDIATELY WENT ON DRINK. 23:00 - 23:30 0.50 PERFOB P ® OTHCMP POH WITH 4"DP STANDS TO ABOVE THE TOP PERF AT 9,965'. 23:30 - 00:00 0.50 PERFOB P - OTHCMP MONITOR WELL FOR 30 MINUTES. -12 BBL/HR STATIC LOSS RATE. 8/11/2010 00:00 - 00:30 0.50 PERFOB P ® OTHCMP CBU. -275 GPM,1,500 PSI,208 BBLS. 00:30 - 05:00 4.50 PERFOB P .- OTHCMP LD 4"DP SINGLES TO PIPESHED FROM 9,965' TO 2,725'. 05:00 - 05:30 0.50 PERFOB P OTHCMP RIH WITH 4"DP STANDS FROM THE DERRICK FROM 2,725'TO4,077'. 05:30 - 06:00 0.50 PERFOB P ._ OTHCMP LD 4"DP SINGLES TO PIPESHED FROM 4,077' TO 2,725'. 06:00 - 08:00 2.00 PERFOB P -_ OTHCMP RU 2-7/8"HANDLING EQUIPMENT AND LD 2-7/8"FOX PIPE FROM 2,725'TO 1,241'. 08:00 - 10:00 2.00 PERFOB P ■- OTHCMP WITH PERF GUN HANDS. -RU RU GUN HANDLING EQUIPMENT AND LD GUNS FROM 1,241'. 10:00 - 11:00 1.00 PERFOB P -_ OTHCMP RD GUN HANDLING EQUIPMENT. -CLEAN AND CLEAR RIG FLOOR. 11:00 - 13:00 2.00 RUNCOM P RUNCMP PJSM WITH ALL HANDS TO RUN 4-1/2" COMPLETION. -PULL WEAR RING. -RU COMPENSATOR AND TQ TURN EQUIPMENT TO RIH WITH 4-1/2", 12.6#, 13CR-85,VAM-TOP TUBING. 13:00 - 22:00 9.00 RUNCOM P RUNCMP RIH WITH 4-1/2", 12.6#,13CR-85.VAM-TOP TUBING TO 8,603'._ -MU JEWELRY. -TQ TURN WITH OPTIMUM MU TQ OF 4,400 FT LBS. -TAG TOP OF LINER AT 8,592'. -TAG BOTTOM OF LINER TBR AT 8,603'. -PU WT 130K,SO WT 115K. Printed 9/15/2010 2:13.37PM North America -ALASKA- BP Page 4 of 5 Operation Summary Report Common Well Name:05-33 AFE No Event Type:COM-ONSHORE(CON) Start Date: 8/9/2010 End Date: 8/12/2010 X3-00VWD-C(1,609,435.00) Project:Prudhoe Bay Site:PB DS 05 Rig Name/No.:NABORS 7ES Spud Date/Time: Rig Release: 8/12/2010 Rig Contractor:NABORS ALASKA DRILLING INC. UWI: Active Datum:05-33B ACTUAL @62.10ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 22:00 00:00 2.00 RUNCOM P RUNCMP SPACE OUT AND LAND TUBING HANGER. -CHANGE OUT COLLAR ON PUP JT. -MU TUBING HANGER AND LANDING JT. -LAND TUBING HANGER. -FMC WELLHEAD TECH RILDS;VISUALLY VERIFIED THAT TUBING HANGER WAS SEATED. -MW 8.5 PPG SEAWATER. -15-BBL LOSS TO FORMATION FOR DAY. 8/12/2010 00:00 - 00:30 0.50 RUNCOM P RUNCMP CONTINUE TO RILDS, RD COMPLETION HANDLING EQUIPMENT,AND RU CIRCULATION LINES. 00:30 - 02:30 2.00 RUNCOM P RUNCMP SPOT SEAWATER AND 8.5 PPG CORROSION-INHIBITED SEAWATER. -REVERSE IN 54 BBLS CLEAN 8.5 PPG SEAWATER,169 BBLS 8.5 PPG CORROSION-INHIBITED SEAWATER,AND 65 BBLS CLEAN 8.5 PPG SEAWATER. -3 BPM,200 PSI. 02:30 - 04:00 1.50 RUNCOM P RUNCMP SET PACKER AND PRESSURE TEST TUBING - n�� AND IA. f' -DROP BALL AND ROD. -PRESSURE UP TO 4,000 PSI TO SET PACKER. / -PRESSURE TEST TUBING TO 3,500 PSI FOR 30 MINUTES; ROCK SOLID. -BLEED TUBING TO 1,500 PSI. -PRESSURE TEST IA TO 3,500 PSI FOR 30 MINUTES;ROCK SOLID. -BLEED TUBING AND IA TO 0 PSI. -PRESSURE UP TO 3,200 PSI AND SHEAR DCK VALVE. -PUMP 5 BBLS EACH WAY TO ENSURE ABILITY TO FREEZE PROTECT;3 BPM,1,100 PSI. 04:00 - 04:30 0.50 RUNCOM P RUNCMP INSTALL TWC. -FMC WELLHEAD TECH DRY ROD IN TWC. -PRESSURE TESTED TO 1,000 PSI FOR 10 MINUTES BOTH ABOVE AND BELOW;BOTH TESTS ROCK SOLID. 04:30 - 05:00 0.50 RUNCOM P RUNCMP BD ALL LINES TO FLOOR AND BOPE. -PUMP OUT STACK FROM ABOVE. 05:00 - 06:30 1.50 WHSUR P RUNCMP ND BOP AND DSA. -RACK BACK AND SECURE. 06:30 - 09:00 2.50 WHSUR P RUNCMP NU TREE AND ADAPTER FLANGE. 09:00 - 09:30 0.50 WHSUR P RUNCMP PRESSURE TEST PACK-OFF TO 5,000 PSI FOR 30 MINUTES. -CHART RECORD;TEST GOOD. 09:30 - 10:30 1.00 WHSUR P RUNCMP PRESSURE TEST TREE TO 5,000 PSI FOR 5 MINUTES. -CHART RECORD;TEST GOOD. 10:30 - 12:00 1.50 WHSUR P RUNCMP RU DSM LUBRICATOR AND PRESSURE TEST. -TEST TO 250 PSI LOW FOR 10 MINUTES; CHART RECORD—TEST GOOD. -TEST TO 3,500 PSI HIGH FOR 10 MINUTES; CHART RECORD--TEST GOOD. -PULL TWC. -RD DSM LUBRICATOR. -RD TEST EQUIPMENT. 12:00 - 12:30 0.50 WHSUR P RUNCMP FINISH RD DSM LUBRICATOR. Printed 9/15/2010 2:13:37PM North America -ALASKA- BP Page 5 of 5 Operation Summary Report Common Well Name:05-33 AFE No Event Type:COM-ONSHORE(CON) Start Date: 8/9/2010 End Date: 8/12/2010 X3-00VWD-C(1,609,435.00) Project: Prudhoe Bay : Site: PB DS 05 Rig Name/No.: NABORS 7ES Spud Date/Time: Rig Release: 8/12/2010 Rig Contractor: NABORS ALASKA DRILLING INC. UWI: Active Datum:05-33B ACTUAL @62.10ft(above Mean Sea Level) Date ! From-To Hrs 1 Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 112:30 - 14:00 1.50 WHSUR P RUNCMP PJSM WITH LRS FOR FREEZE PROTECT JOB. -REVERSE IN 75 BBLS,80 DEGREE F DIESEL. -3 BPM,1,100 PSI. -ALLOW WELL TO U-TUBE T X IA FOR 30 MINUTES. 14:00 - 15:00 1.00 WHSUR P RUNCMP RU DSM LUBRICATOR AND PRESSURE TEST. -TEST TO 3,500 PSI FOR 5 MINUTES;CHART RECORD--TEST GOOD. -SET BPV. -TEST BPV FROM BELOW WITH LRS TO 1,000 PSI FOR 10 MINUTES;TEST GOOD. -RD DSM LUBRICATOR. -RD TEST EQUIPMENT. -BLOW DOWN ALL LINES. 15:00 - 16:00 1.00 RIGD P RUNCMP RD AND SECURE WELL AND CELLAR. ***RIG RELEASE FROM DS 05-33B AT 1600 HRS.*** Printed 9/15/2010 2:13:37PM 05-33B Well History (Post Rig Sidetrack) Date Summary 8/12/10 Pulled 4" CIW TWC#256 thru tree post 7ES tree test. 1-2" ext used tagged 0102" with shorty pulling tool. Set 4" CIW BPV#149 thru tree. 1-2' ext used tagged @96". No problems 8/14/10 ***WELL S/I ON ARRIVAL*** (post sdtrk) PULL BALL& ROD FROM 8565' SLM. PULL BK-DGLV FROM STA#3(5224' SLM/5227' MD). ****CONT JOB ON 8-15-10**** 8/14/10 T/I/0=0/0/0. Pulled 4" CIW "H" BPV thru tree. Used 1-2' ext., tagged @ 100". Post Rig. 8/15/10 PULL BEK-DCK FROM STA#4(3492' SLM/3494' MD). SET BK-LGLV IN STA#4(3492' SLM/3494' MD) & BK-OGLV IN STA#3(5224' SLM/5226' MD). PULL 4 1/2" RHC PLUG FROM 8570' SLM. DRIFTED W/2' x 1-7/8" STEM, 3.50" CENT, 3" S-BAILER TO 9453' SLM**547'OF FILL**, ( 1 CUP OF SAND IN BAILER) ***WELL S/I ON DEPARTURE*** NOTIFIED DSO 8/26/10 T/I/0= SSV/1850/80. Temp= SI. Bleed IAP <800 psi (eval high IAP). No AL. IA FL @ 5226' (SO, 92 bbls). Bled IAP from 1850 psi to 550 psi to production (05-33) in 45 mins. IA FL unchanged. SI, monitored for 30 mins. IAP unchanged. FWHPs= SSV/550/80. ***Job complete*** SV, WV, SSV= C. MV=0. IA, OA=OTG. NOVP. 8/27/10 CTU #5 1.75" Coiled Tubing Unit, Rig up and drift to TD. 8/28/10 CTU #5 w/1.75" CT: Job Scope: PPROF/MCNL w/Borax: MIRU coiled tubing unit. MU and RIH with SLB memory PPROF w/GHOST. Log 40, 60, and 80 fpm up/down passes from 9800' to 11200'ctmd. Perform stop counts at 9800', 10300', 11020', and 11200'. Pull jewelry log from 11200'to 8200'. Log MCNL for GOC. 8/29/10 CTU #5 w/1.75" CT: Job Scope: PPROF/MCNL w/Borax: Continued from 28 Aug 10. Log MCNL w/Borax for channel detection. Confirm good data. RDMO. Page 1 of 1 `n nn n m FECH E W EOM§ mmmmm mmmmm mm Em mm Mil §25883 y m m N N N N N N N N N N N N N N N N N N N N N N N N N N N m N N N N M M M M M i m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m m 9 88888 88888 88888 88888 88888 88888 88888 88888 § Q Q e e e Q Q Q Q Q e e e e e Q Q Q Q e Q e Q Q Q Q e e Q e e Q Q Q e e e Q Q Q 44444 00000 00000 00000 00000 00000 00000 00000 a m M Q M o W n m ry N o W W W W m Mil m n n W m�M W m n W n W Q a�mmrnn nnnWW UM rnnnn m WWW mmmmm mmm m § « N N W�f1 W N NNN N W N W 10 W 10 W N m V1 N NNN N N W N W W N N N W rl 0 0 0 0 0 0 0 0 0 0 O O O O O O O O O O 0 0 0 0 0 O O O O O O O O O N yNp pNy yNy pNp pNQ yNy yNy yNp N yNy yNy yNy pNp QNe pNQ yNy yNy yNp yN yp a}pN pNQ N pN pNp pNp yNy pNR yNy pNQ pNp yN N yN yNy yN pN ; J 1Q0 c0W10(O (O lO WCp lQO t0 W(pl0(O (O Wcilci (O(Ol i Vl0 W 1010 (Ol0AAA 888alO N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N 00000 00000 00000 000000 00000 00000 000000 00000 CmEEmmm °n°nnnn nr W W W 2 2 2 8 284;83 W lO W W E NNNNN NNBN3i ._� f7�C7[') M M M M CJ [M�l7 C)(7 M M M M Cl [�)(7 l7 t7 M M M C)Cl f7 C)M l7 M M f7 C]f�]C)f7 a V N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N w rnnnn rnnnn rnnnn rnnnn rnnnn PM PM nrrrr EEEEE EEEEE EEEEE EEEEE EEEEE 8EEEE EEEEE EEEEE O1^m m r W W Q N :?;147471 W W W c4-' 44T, m m O m O G N M M N e M C_jQQeee QQQ V Q eQQQQ Q QQQ W Q 1010NN iIINNN W i`n r r r r r n n n n r n r r n r n n r r r r r n n n n r n n n n Mn n n n n n n r r r r n n n n n n n.U r n n n n n r r r r r n n n n m m W W W m m m m m m W m W W W m m m m m W W W W m m m m m W W W W m Z E 0 E E m Q m m m W m Q N N m N m m W m E i e W Q m m 0288W8 8E0Vo EO48 0 °4V@4 0820E 80E22 r0N8 ^00 0 p 0 8 0 6 0 0 0 0 0 0 6 0 0 0 0 0 0 0 0 0 6 0 0 0 0 0 0 0 0 0 0 0d0 o 0 0 0 Cm u.288888 e W 1'l0 :22@3,9 N N N N N 2'.:12. RARER O m E E E m A m A E 0t090 0 0 0 0 0 90000 00000 00000 00000 00000 00000 Cap C. G3 EE 2888380 00808 80088 88883 33838 33888 08888 80808 00000 00000 00000 00000 00000 00000 00000 60000 = Z 2 O N ;28888S 7 Q 0W nd m o N N N N Q Q N 48@8R 2 2 2 8 8 o M N M M A m m m E CO3 g 0 6 6 0 6 0 0 60 0 0 o 0 0 6 O O O O O 0 0 0 0 0 O O O O O 0 0 0 6 0 O O O O O aa�h O O ( U• O 2 J E Lo N MQ 3 W N O N N U T 0 0 m h,Z ° 2 6 E 0 O co 8 r 0 - g d g N O Q 8 7,N 0Y-O N 3 Q 2E88`8188 N Q W m m 3 M Q N W W m m 0 N W W M m 88E7.4 M Q W n m W 3 N M Q a ▪ < ' 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 O O O O O O w Z 08 2 — N J C J 2 :' 8 gg O 5 E'rn> > y c ui o $ a 6 p n-N' q a w°t - g o U o• ° a c c u `o 0 1u y.4 , 66666 0 0 0 0 0 66666 6 6 0 0 0 66666 0 0 0 0 0 66666 0 0 0 0 0 U U a W a o a a ^1 d C7 O a 0 0 o a d ., `p NN W 2 — y22.2=2 NN d `p O • Y U U Q¢ D C w C C C t V U U • a r'' o o a m 5 g u m:v A 8 Cl) fn N»1--1-0 2 1- E o f Z 0 1 1 pQ pQ p pp p p o M! 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N N N N N N N M M M m t l M M t'1 90999 L VM COQ) m n P._ p p �p�p e O W 1 C8821N00 ENfm'l.tm N W NN 8 V Q N(On(ppim R8,288 8 4 8 WA N O O�tWON N�m O O O a N 1.1 ~ Om9 Nr Cu N N0 r 240 NNN e E CCu N 01u MNr 1100 CuON0 Cu W�c61 OO W m- N N E NNN NNN Cu N Cu NN MM MN�-MN MN� Cu NM N Cu NN tOO 0 Cu o W a�E 7 ..• ° E =a w Z2:--(6 O a w O< 0 ON m W O N Q 0 U^O O M O Cu O 0 0 N 82888 W W M 0 0 Cu m W 0 0 Cu M n M M 88888 r W 0 r 0 N m 0 .` R R N O W e Ya M ^m a 66666 6 0 6 0 0 66666 0 0 0 0 6 66666 0 0 0 0 0 66666 0 0 0 0 0 N a W ;10 8- N °Q Q W n N O oiW 8022 °c m��n NOm W m <O0`0000- CuZ 0 mg8°382 88°88 02S 8°80,8 8°80,8 828.98 820022 8?PER `6 W W M W 2 7 m O N i N N W n O O n O e n f N tO °m O c6 M 6 E n N - ^ N N NN N N N N M M m 0,M M M Q Q Q Q Q e W m W W O 2 g a 0 d x ..)-.1 C E 823 CS 1 ei w E o 2 o �n T o , DJs a ' aa Yp � o2 _Vy E ¢UU.N3mmfANFC7_1366 0 cc -8E 'p 1 8 82282 [ m82 ;EPL 2P8 22 8F,824 83882 oN m mami2m; 2888220=28. n8288ne08n 8 nmnmmnmm 0821)8.3 ,2 22 N N N 82N N 2 N N 8 mmm N N N m8 0 8 88888 88888 88888 88888 88888 88888 88888 88888 88888 88888 88888 88888 fi eevee eceve eeeec ceece eceee eecee eceee 44444 ceecv eevvv 44444 ceeee v^ 88882 e W m m n 882gTz 28284' 0 N W W 8282 '42E82 N W 287,()E m y K $N O r 80000 00000 00000 00000 00000 88888 88800 00000 00000 00000 0888 18.28 N N 0)yp 0)ye�NQJ� N 0)ym 0)0)y m N 0)0)0)0)0) J NN0)0) 0 0)0 N0) 0)N N 0)0) 0NN0)NO O 0)N 0) 0)N N N 0) N 0)0)0)0 N 0)0)0)0) mmm y 1 py338 31888 88388 Q8381 88318 N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N 00000 OOOnn 00000 00000 00000 00000 80000 00000 00000 00000 00000 00000 Fa 322,12 N 2n 2,i N 2 N 8N n 8N 2N n 8 2N N 2N 0N 8 mN 2N gN e N N n N N n 28c4"4; m e N n 2 8N n 8N n n Q 83888 3802 20880 a" Q0000 00000- 00000 0ON 1 0ON J 0n 0tO 0 • N N n n N 1 n N N N n N N N N N N N N N N N n N N N N 22228 22222 22202 28220 22222 22W 22 22222 22222 m 22m 2 22222 22222 28222 N n 11 Pa 882P; N m 2 0 0 4'4444 0)0 2 2 0 2;22; a 0 O V n 22228 0 888;2 m O N Q n Q O 2 0 n 0 n n n n n n n n n n n r r r� r r r r r En n n n 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 2 2 2 2 2 2 2 2222 2 O nnnnn nnnnn 8888,%Z W m m m m W m m m 0 88888 m ne m n W nW W n 00000 8 8 8 . .8c% 88880':i 0'3S-,888 nnnnn W m 0 0 m Ne92e2 eQ 81)80)QQ Q..eNe N Q gQ.1) eNQ N 82Q emmmm QQ2.8 201)ee elQme ee0QQ Q.0e0 eQQQ8 0) 0. 0 • W^ W O N n 0 h 2 O e 0 N n 0 Q O m O Q n 0) 0 e N O M 1)0 MM.-OW W 0.0 OM,-MM N W 0 r N m O 2 2 0 1O Q 00220 ve n0 000.0 e W 000 Dee 00 2Q 080 00000 N W 0.e N W f7O 00NN2 QQ QQ Qe2NN 08 00000 00000 00000 00000 00000 00000 00000 0 0 0 0 0 0 0 0 0 0 O O O O O 0 0 0 0 0 0 0 0 0 0 3 w w 2 0 W e P;32, 2 0 n 0 8 0 7-2 0 888.0 O Q W�m Q.Q 2 0 W n 0 2 0 22888 n E;2 N 22,122 N NNN N 0 O .0 0 0 0 0 0 00000 00000 00000 00000 ZE 00000 00000 00000 0207 WWNNN mle78ee 888r6Qn 82828 NmNM2 c;e888 2;8,20 W2m0 00000 00000 00000 00000 00000 00000 00000 0000 � N (V 1V ciNN • • 7 m 2 7 m 2 2 c9 N 2"°8 8 8 7°R N m 7 0,e 22822 28827 m N 828 2 n n 8;888 N 0)0 0, O 0 N l0 n•ó0000 00000 00000 00000 66666 00000 666 ' . 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W n 0 W 0 0 88822 0 8 2 00 88887! 2 2 2.7, m O m Q(0 R 28;28 m m Q N O 8 rn n 8;822 W Q 2 W Q G m 0 0 O O O O O O O OO OO 0 0 0 0 0 - - .M 600 8 ��pp �1pp y �y a WE 00200 28242 000 00000 00000 208000 800000 22882 88222 20000 00000 8228; 666°6 0 0 0 0 0 6°666 0 0 0 0 0 0 0 0 0 0 00000 O O O O O 00000 0 0 0 0 0 07777 ' 1 , 70000 >.`. 000 N 0, 0,8 mm 2 N O r 88 808 8 2 8880,8 080,8 88888 0Q 8n 8N 02 0WW, 82222 2222 8'28:g 2OOi 2220 28q22 78 W 0.6 06 O NO18t m m m m m 0 W W m m 8 8 2 8 2 80 0 0 80007: N2 N N N N N NNN 2 N E 88808 8808 8 8 0 0 O 8 2 0,88 02028 0800 0 20888 N NNN 0 880,88 ??:?8,22 28 E 2 2 '4'2228 2228 E N m 22 O ci p mom • n Q W N N 0 00000 82208 88 2n2 20 NN 2 20282 2028; 21228 20000 0000 7 mNNNN y c 8 2 8 2 n E288:2 :28;88 80807 88822 83288 20)r n N y 22 b2 82848 814'88 80 m Nm 288 2000 • 82282 1;;.4:=2 ON-2 N80 NN 8'2817 1O24QQ 2 N enen: em208 12E n n r r 8 m 0 0 r 0 `0 0)0 0 22?-3?-32 '482 n N O 0 N N 0)0 2 0 8 0 2 0 2 8 88228 0)0 0 2 2 2 0 W 2 r 0 1) 0 0 0 0 0 0 0� 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .N 2. 0 N N m 0 0 0 0 0 0 0 N N 0 0 N 0 0 0 0 0 - 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00000 00000 0 0 0 0 0 V r 82288 88228 888822 82,922 "822 88,288 4.2228 28,288 422°8 t0 8 8,2 8 8 O 2,98N,2 8822° m 2 6 N n 3n6 N 6 m 0 2 62,9 ,d O 0 2 N N 21 O m 2 O0 m m o N 6 0 r m mm 1 2 m 2 0 4 4e 42 442 N N N N N N N 2 2 2 3 2 2 2O n r r r n n m m 3 m m 21 2 m m m m m m O O 0 d d E E 0 0 yy _ N C a2N ,- NN po m O mOi O N P W m p O m O 322'42 N WWO W m mN lm S m O NO O m W W NNW,.,(10 O N a a N O W W W O W W m m M m N N N N N N m m m m m m m W m m m m W m m m m m m O O O m 0 0 W 0 W m m m N N W m m W W 2p0 0 5 N 0 0 0 3 m **Mr 88858 88888 88588 888$8 88888 55555 8858$ 88558 80000 00000 J a a Q Q Q Q Q Q Q Q Q Q Q Q Q O Q Q Q Q Q Q Q Q Q a a a a a a a a a a Q a a a a Q a a a a Q Q Q Q Q Q Q Q Q Q LL 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 r N W O.N- ] N n N n n n n nO n 0 3 n O n N O m 3 03 N) N O n 5 W N N W§ 2 2 N 2 N N W r(J 2 O 2 N O N N N N 127,24 N 827,22 O O N O O O O Q l 2 T 2223 2 m m r 3 m 3 3 3 3 3 28 8 5 5 2223 2 m m m m m 3 23 3 3 5 5 5 5 8 3338 2 2 85555 85555 55585 55555 55355 55555 33,133 55555 55555 55555 58888 N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N 0 0 0 0 0 00000 o O O O O 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 O 0 0 0 0 0 C 0 m ) O U,N N O 4'O 2t00 n Wm m O.2?-3N O 0 0 47,1 U)N O 12:142 220 2 N r 220 8 8:224' 4a 42 N N N N N N N N N U N N N N N 3 3 3 3 3 3 3 3 n 0 )n n W) 3 000 m N g 1N N W N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N n n n n n n nnn n n nnn n n nnn n n nnn n nnn n n n n n n n nnn n n nnn n n nnn n n n n n n 66666 m )0 6 6 6 6 (0m ro)0 U) 6 6 6 6 6 )0 U)U)(0U) (0m U)U)(0 6 6 6 ro 6 6 6 6 6 6 6)0 6 6 ro m U)ro U)(0 )0 U)(0e e Pa 2R8AG 2L-,W24 _N8m`2n `2 Sc4 N 0g0m0W n 2AL42 cnv aDOmmn ro2uO ,%2 2Qrmmm 25813 rnmn2v3) C N 0)N O W W 0 f F N m W W W W W W W W W W r n n n n n n h 3 W 10 O)h N O uW] 3 3 )0 N N N N N N N N N N t0 N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N N i(J in 0 r nnn n n nnn n r n n n n nnn n n nnn r n n n n n n nnn n n nnn n r n n n n n n n n n n n n Z m W W W W m W W W W m m m m m OD W W m W W W m W m W W W W W W W W W W W W W W W m m m m m W W W W W W W W W W a a a a a J Z N N N N N a Q N a N a N a N A A A A A N A A A A A N A A A A A A A I I A N A A A A A Q N A A A A A a N a W O N a a N m N wag A A A A A N N O 0 N N O N m. 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NO^ n 0 2,Nn m00 0N 2 2 2 2 2 2 2 2 2 2 2 W 2 2 2 2 8 8 . 80 82 2 82 2 Z 0 2 e m Q Q m m m Q Q Q m m e Q Q e e e m m Q e e e e m m m Q Q e e m m e m Q Q e e e Q Q Q m e e m A m Q Q m e CrD e N N N o N N N 0 N N N 0 N O N 0 0 N N N N N 0 N 0 N 0 tN 0 0 0 N 0 0 N N 0 0 0 0 0.N h 0.00N 0 N N 0 N 2 E 00N n 28.'1.32 A B R n N 0E 2 e 2 E N N 2 QN N 80 O m N 2 E «N N N O m 0 0 N O Gn0 'P V O N 0) 0 N ,N N N N O O O c7<6 C) ' O N N c7 0 0 0 0 O 't')c')N O^c7^O ,"N M<'C O c7 e O O N W N O N N 8 282,9`,2 N N N N 0 O N N N 1O N l00 00r r O N 0.O N0 t0 N N N(0e O N A c0 r tp N 0 0 0(n� 8,1'428,1 N 2 0 Qr , 0)O O O 4) n mmO c 10)O N (0 O 0 ^ b N N (0 N N 7<7<7 O N N 1 Q ' 7777 77777 2F O N c0 n r 2822R, '4822T 000 O On)O 8;91,'.62 T 120<c(e)O 4)n 2 V N m r 100 O N lm0 r t0 n r0 m b O DOi N Wn, 2 28,')717,N 0 66 6 7 O?7r Q 1 O CN 0 O n 4 m <S 0 yy m 2,',38A07, '428g2 0 0 0 n 10 81 'A-2Y, O e O N Q 8 N 2 N S Q y m lg N 2 Q 0 0 p N c7 N N M Q N10012 W O N M ^NmO°N Q 0nmN 8OO — N N N N 2 2 2 0 0 O O O N 0 N,r . 12242 2 2 V 2 III 2F m"N tn0 0n e n 10 C)N O^ 'N N N E.7. 12;88 r N cv lop l00 O m 2 N 0 100 N<N 22,7".'4D> 000 O 2 O P '82'7 N N S ccc'cp N Fa Q 0 0 0 cO N N N N Ins "8" ^N N O N 8"Y;N N N N N N 000 2 N Q O O ` 100 N r, f0 00 Ono m w 6 2F O @ 2 0 O O N t 7 r n L';882; 8g-'822 p Q 0 N2 2 8 2 2 8 2 ,',33254'2 2 4 8 2 8 r N 0 mm N Q O^F 0 • N N O N 7 O <7 Q Q N b r 0 0 O) N N N 0 7 N a) 0 8s OO^ ^^7 ^ ^ N N O N N N N N N A 2 2 2 0 0 O e V N N n 0 2 0 g s r N 712A O<001 Q 8 ~ V O N E O N m E N 2 O E8 Q N c7 0 '628P4 2;7,2c%4 O I^ 0 A c.2 0 0 0O 2 0N r m Y,< n ypp 0N 7 p O N 0 0 0 N N N A 0 0 0 N N N N N N 2 n efn n 8 0 T O O E N QO N l00 T m 2 N N N N N N N N N N N M M M M (7 O M t 7 O M M M M M M M M M M M M M M M M M M M M N 0 t7 C7 a e Q e e e Q Q Q Q e 2 E O M 0 n N n in n n N n 828g`01 2 0 Q S 8 r O 2 N A N 2 V 0 T E R N^ O n N N V2 O 8 O N 4) Y,8622 O n O N N N 2 0 f0 N 0 O 2,7.R22 N ; n 2 2 )0 ON N 8 n E8 4N n n N n m N m 2 N)2 2 N N) 0 O N N 7 7 N N N 2 2 2 Q Q Q Q 7 20 O O Q e e e O Q 4 Q Q Q W N E^ 2 0 2 4 2 0 2 2 r 2 2 2 2 2 1N0 N p A N 2 N 0 2 0 0N O N N 0 N 0 0 0 0 N 0 7-O N E N 0 r S O 2 8 2 2 8 N 2V42; MMryry N O00p0pp pp n gOO N N N N N 0 N N N N N N N 1N N)4 N 0N)N N 0 10N 1 N N 22N N N N 1N 10N R', 4N N N N 2 N O7 7 O 222r.'6-, N N E pp N 2 Q 1�N N O O N r N r P 0 :2&':=188 P p O N 0 0 l N r N1 0 N O 0 0 n N 2 66666 (V O O Q 6 6 6 0 0 4)n r r n 4 0 N N N N N N N N N N N M N N N N N N N N N m 7 O 7 m N 2 r 88,9E8 m n n n QI P N S Or 00 P N OOi N c00 m r O Q N m N N O Q 0 2 S N ON g!E N N n E N N O O ?O O R O O g N?N O t7 5 c7 n O N 2 N(cQ��N N 8 N N O{pO e p pp E ON 0 0 O O n p mc p = N N N 0 N RAM N O O O QA 5p0t0nn ( 00ON A < 7 d O 1O O O N am7 7 7 7 7 7 7 7 c O w 5 a E E c 0 °) U `o^r m 0 Q N 0 O N<8 O m O W m CI N N N 0, O, O,O,00 CO , O N N N O CI,i w 0 N GO N g N N y N N N N 'A C N Q O Q Q N N N b 0,r1; n n N 0 N0 0 2 T,r3-,2 2 p O O O O 8 0 0 0 0 I� .0 .0.0 .0 .4 Q Q Q Q Q 4.4 .0 .0 .0 Q Q Q Q Q Q Q Q • • Q Q O 22. 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Y m D A R $ Q $2 2d m E F w a` d E i wr 8 N 0 BP AMERICA Leak-Off Test Summary Well Name: 05-33B Surface Leak Off Test Test Test Depth Test Depth AMW Pressure Pressure EMW Date Type (TMD-Ft) (TVD-Ft) (ppg) (psi) (BHP) (psi) (ppg) 07/30/10 LOT 3,889.90 3,796.90 10.20 950.00 2,966.10 15.01 07/22/10 FIT 8,753.00 8,361.91 8.60 670.00 4,409.20 10.14 Page 1 of 1 TREE= FMC WELLHEAD= FMC 0 5 3 3 B SAFET TES: WELL ANGLE>70°@9491' ATUATOR= AXELSON KB. ELEV = 70' _ BF. ELEV = N/A KOP= 2873' PJC DRAFT Max Angle= 93°@ 11135' 2226' H4-1/2"HES X NIP, ID=3.813" I I Datum MD= 9371 Datum TVD= 8800'SS GAS LIFT MANDRELS ST MD TVD DEV TYPE VLV LATCH PORT DATE 4 3494 3456 27 KBG2 DOME BK 16 08/15/10 3 5227 5020 19 KBG2 SO BK 20 08/15/10 Minimum ID = 3.725" @ 8576' I 2 6421 6149 20 KBG2 DMY BK 0 08/12/10 4-1/2" HES XN NIPPLE L 1 7203 6883 20 KBG2 DMY BK 0 08/12/10 MILLOUT WINDOW(05-33B) 3890'-3907' 7"GEN II WHIPSTOCK(07/28/10) H 3890' 9-5/8"CSG, 36#,K-55/J-55, ID=8.921 -I 3907' I , L"EZSV(07/28/10)1 3908' 9%" s✓ 8439' I-I4-1/2"HES X NIP, ID=3.813" I 8469' H7"X 4-1/2"HES THE PKR, ID=3.856" I 8505' H4-1/2"HES X NIP, ID=3.813" I I 8576' H4-1/2"HES XN NIP, ID=3.725" 8583' ,-7"X 5"HRD-E ZXPN LTP w/BKRFLEX LOCK HGR ID=4.20" 4-1/2"TBG, 12.6#, 13CR-85 VAM TOP HC, .0158 bpf, ID=3.958" 8588' ( 8588' I�4-1/2"WLEG, ID=3.958" J 8609' H5"X 4-1/2"XO,ID=3.920" I 7"CSG,26#,L-80 VAM TOP-HC, .0383 bpf, ID=6.276" H 8753' PERFORATION SUMMARY REF LOG:222 77 ANGLE AT TOP PERF: 86°@ 10000' Note: Refer to Production DB for historical perf data SIZE SPF INTERVAL Opn/Sqz DATE 4-1/2"- 6 10490- 10620 0 08/11/10 4-1/2"- 6 10750- 11350 0 08/11/10 4-442 6 11540- 11955 0 08/11/10 PBTD 11236' 4-1/2"LNR, 12.6#, L-80 IBT-M, .0152 bpf, ID=3.958" 11318' •�•�•�• DATE REV BY COMMENTS DATE REV BY COMMENTS PRUDHOE BAY UNIT 07/05/91 D-9 ORIGINAL COMPLETION WELL: 05-338 09/03/00 SIDETRACK(05-33A) PERMIT No:"2100810 08/12/10 N7ES SIDETRACK(05-33B) API No: 50-029-22168-02 08/29/10 PJC DRLG DRAFT CORRECTIONS SEC 31,T11 N, R15E,2604'FSL&198'FWL BP Exploration (Alaska) sulf [E o [F SEAN PARNELL, GOVERNOR ALASKA OIL AND GAS 333 W.7th AVENUE,SUITE 100 CONSERVATION COMMISSION ANCHORAGE,ALASKA 99501-3539 PHONE (907)279-1433 FAX (907)276-7542 John Egbejimba Engineering Team Leader BP Exploration (Alaska), Inc. P.O. Box 196612 Anchorage, AK 99519-6612 Re: Prudhoe Bay Field, Prudhoe Bay Oil Pool, PBU 05-33B BP Exploration (Alaska), Inc. Permit No: 210-081 Surface Location: 2675' FNL, 5081' FEL, Sec. 32, T11N, R15E, UM Bottomhole Location: 2013' FNL, 3843' FEL, Sec. 31, T11N, R15E, UM Dear Mr. Egbejimba: Enclosed is the approved application for permit to re-drill the above referenced development well. This permit to drill does not exempt you from obtaining additional permits or an approval required by law from other governmental agencies and does not authorize conducting drilling operations until all other required permits and approvals have been issued. In addition, the Commission reserves the right to withdraw the permit in the event it was erroneously issued. Operations must be conducted in accordance with AS 31.05 and Title 20, Chapter 25 of the Alaska Administrative Code unless the Commission specifically authorizes a variance. Failure to comply with an applicable provision of AS 31.05, Title 20, Chapter 25 of the Alaska Administrative Code, or a Commission order, or the terms and conditions of this permit may result in the revocation or suspension of the permit. Sincerely, Daniel T. Seamount, Jr. Chair DATED this day of July, 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 RECEI ED 4 ALASK .AND GAS CONSERVATION COMMIS' '1 d-A6-A:,. PERMIT TO DRILL JU 5 201Q 20 AAC 25.005 Alaska Oil&Gas Cnt$.Commission 1 a.Type of work: lb.Proposed Well Class: ®Development Oil ❑Service-Winj ❑Single Zone lc. Specifxf '0..oposed for: ❑ Drill ®Redrill ❑ Stratigraphic Test ❑Development Gas ❑Service-Supply ❑Multiple Zone ❑Coalbed Gas I Gas Hydrates ❑ Re-Entry ❑ Exploratory ❑Service-WAG ❑Service-Disp ❑Shale Gas 2. Operator Name: 5.Bond: ® Blanket ❑Single Well 11. Well Name and Number: BP Exploration(Alaska)Inc. Bond No. 6194193 PBU 05-33B 3. Address: 6. Proposed Depth: 12.Field/Pool(s): P.O. Box 196612,Anchorage,Alaska 99519-6612 MD 11353' ND 8978' Prudhoe Bay Field/Prudhoe 4a. Location of Well(Govemmental Section): 7. Property Designation(Lease Number): Bay Oil Pool Surface: ADL 028326 • 2675'FNL,5081'FEL, Sec 32,T11N, R15E, UM Top of Productive Horizon: 8. Land Use Permit: 13. Approximate Spud Date: 1941'FNL, 1669'FEL, Sec 31,T11N, R15E, UM July 15,2010 Total Depth: 9.Acres in Property: 14.Distance to Nearest Property: 2013'FNL,3843'FEL, Sec 31,T11N, R15E, UM 2560 30460' 4b. Location of Well(State Base Plane Coordinates-NAD 27): 10.KB Elevation above MSL: 62.6 feet 15.Distance to Nearest Well Open Surface: x- 697274 y-5948771 Zone- ASP4 GL Elevation above MSL: 34.1 feet to Same Pool: 600' 16.Deviated Wells: Kickoff Depth: 4010' feet 17.Maximum Anticipated Pressures in psig(see 20 MC 25.035) Maximum Hole Angle: 90 degrees Downhole: 3203 Surface: 2368 18. Casing P rogram: 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) 8-3/4" 7" 26# L-80 TC II 8760' Surface Surface, 8754' 8355' 184 sx Class'G' 6-1/8" 4-1/2" 12.6# L-80 IBT-M 2761' 8592' 8207' 11353' 8978' 335 sx Class'G' 19. PRESENT WELL CONDITION SUMMARY(To be completed for Redrill and Re-entry Operations) Total Depth MD(ft): Total Depth ND(ft): Plugs(measured): Effective Depth MD(ft): Effective Depth ND(ft): Junk(measured): 12002' 9001' None 11960' 9005' None Casing Length Size Cement Volume MD TVD Conductor/Structural 115' 20" 11 yards AS 115' 115' Surface 4004' 9-5/8" 1125 sx CS III&300 sx.Class'G' 4004' 3892' Intermediate 9705' 7" 535 sx. Class'G' 9705' 8495' Production Liner 733' 5" 120 sx.Class'G' 9368'-10101' 8215'-8814' Liner 2644' 2-3/8" ,108 sx. LARC 9353'-11997' 8203'-9002' Perforation Depth MD(ft): 10490'- 11955' Perforation Depth ND(ft): 9021'-9006' 20.Attachments: ❑ Property Plat ❑ BOP Sketch ®Drilling Program ❑Time vs Depth Plot ❑Shallow Hazard Analysis ❑ Diverter Sketch ❑Seabed Report ®Drilling Fluid Program ®20 MC 25.050 Requirements 21. Verbal Approval: Commission Representative: Date: 22. I hereby certify that the foregoing is true and correct. Contact Abby Warren,564-5480 Printed Name oh r gbe imba Title Engineering Team Leader /�P Prepared By Name/Number. Signatu r • �!�//'� Phone 564-5859 Date Terrie Hubble,564-4628 / / 6//5//0 Commission Use Only Permit To Drill API N 1 mber: Permit I at : See cover letter for Number: , JOO�f 50-029-22168-02-00 �j other requirements I Conditions of Approval: If box is checked,well may not be used to explore for,test,or produce coalbed met ane,gas hydrates,or gas contained shales: lJ r - Other: 4 3 S00 )0C /l e�''1" / Samples Req'd: ❑Yes IY1 No Mud Log Req'd: ❑Yes 'No iFZS �pSc- A.,„,, 7 4. 6,..„ S Measures: ErYes ❑No Directional Survey Req'd: WI Yes ❑No - Deli. e•-Q -fes4; al Lee - Qccep-/d b4 z o Azk z S- z sscA) 7 7 7// 0 Dat APPROVED BY THE COMMISSION ,COMMISSIONER Form 10-401 Revised 07/2009 This permit is valid for 24 months from t#ru date of approval(20 AAC 25.005(g)) Submit In Duplicate ORIGINAL q�7-'G-lb - by 0 To: Alaska Oil & Gas Conservation Commission, Chairperson From:Abby Warren, ODE Date: June 2, 2010 Re: 05-33B Sidetrack Permit to Drill The sidetrack plan for the 05-33B includes the following: pump cement across the perforations and circulate cement into the IA, the 3-1/2" tubing will be cut -400' below KOP. During rig operations, the tubing will be pulled and the 7" casing will be cut and . pulled. A cement plug will be laid in and sidetracked off of. The 8-3/4" hole will be drilled to the Top of the Sag River where a 7" long string to surface will be run. The 7" casing string will be cemented with 1000' of cement. The production hole will be drilled with a 6-1/8" BHA building to horizontal. The well will then run horizontally through the - Ivishak formation. The production liner will be 4-1/2" L-80 and fully cemented. Tubing will be 4-1/2" 13Cr, tied into the top of the production liner. Please note the following Well Summary as detailed on the next few pages: 05-33B Permit to Drill Application Page 1 Planned Well Summary Well 05-33B Well Producer Target Ivishak Type Objective Current API Number: 50-029-22168-01 Current Status 05-33A Shut-In Estimated Start Date: July-15-2010 Time to Complete: 27 Days Surface Northing Easting Offsets TRS Location 5,948,772 697,274 2676' FNL/ 198' FWL 11N, 15E, 32 Target Northing Easting TVDss Offsets TRS Locations 5,949,458 695,386 -8,398 1941' FNL/3333' FWL 11N, 15E,31 5,949,458 694,830 -8,895 1926' FNL/2777' FWL 11N, 15E,31 BHL 5,949,330 693,215 -8,915 2013' FNL/ 1159' FWL 11N, 15E, 31 Planned KOP: 4,010'MD/ 3,833' TVDss Planned TD: 11,353'MD/ 8,978' TVD Rig: I Nabors 7ES . GL/RT: 34.1/28.5' RTE: I 62.6' Directional - Schlumberger/Anadrill P4 KOP: 1 4010' MD Maximum Hole Angle: -34° in the 8-3/4" intermediate section -90° in the 6-1/8"production section Close Approach Wells: One anti-collision risk in this well, 05-34 which has been P&A'd • Survey Program: Standard MWD+IIFR+MS Nearest Property Line: 30,460'to Southeast property line Nearest Well within Pool: 600'to 05-11A Contacts Name Phone# E-mail Drilling Engineer Abigail Warren 564-5720 abigail.warren @bp.com Geologist Doug Stoner 564-5652 doug.stoner @bp.com Pad Engineer Alice Kaminski 564-5676 alice.kaminski @bp.com 05-33B Permit to Drill Application Page 2 Formation Markers 05-33B (Based on SOR) Commercial Hydrocarbo Est.Pore Est. Formation Tops Uncertainty n Bearing Press. Formation (TVDSS) (feet) (Yes/No) (Psi) 4010'MD/-3828' KOP TVDss No SV1 -4122 100' No UG4 -4699 100' No UG3 -4858 100' No UG1 -5420 100' No WS2 -6069 100' No WS1 -6261 100' No CM3 -6444 100' No CM2 -6963 100' No CM1 -7581 100' No THRZ -8016 30' No BHRZ -8145 30' No LCU -8185 30' No TJA -8275 30' No TSGR -8283 20' Yes TSHU -8315 20' Yes TSAD -8389 20' Yes 42SB -8496 20' Yes TCGL -8548 20' Yes BCGL -8615 20' Yes 23SB -8697 20' Yes 22TS -8728 20' Yes 21TS -8770 20' Yes TZ1B -8836 20' Yes 3206 psi PGOC -8850 20' Yes TDF -8870 20' Yes BSAD(not reached) -8892 20' Yes 05-33B Permit to Drill Application Page 3 Casing/Tubing Program Hole Csg/ Wt/Ft Grade Conn Burst Collapse Length Top Bottom Size Tbg O.D. (psi) (psi) M_ D/TVD MD/TVD 8-3/4" 7" 26# L-80 TC-II 7,240 5,410 8760' Surface 8,742'/8,345' 6-1/8" 4'/2" 12.6# L-80 IBTM 8,430 7,500 2,76 ' 8,592'/8,207' 11,353'/8,978' Tubing 4 1/2" 12.6# 13Cr-80 Top 8,430 7,500 8600' Surface 8,592'/8,207' Mud Program Intermediate M_ud Properties: LSND I 8-3/4" hole section Depth Interval Density(ppg) PV YP API FL HTHP FL MBT PH KOP-8,742' 10.0-10.4 12 -22 18 -28 4 -6 <10.0 <20 9- 10 (KOP to Sag) Production Mud Properties: FLOPRO SF Reservoir Drill-in Fluid I 6-1/8" hole section Depth Interval Density(ppg) PV YP LSRV API Fl pH MBT 8,742'-11,353 8.4-8.6 6-12 22-28 >20,000 6.0-8.0 9.0-9.5 <3 Logging Program 8-3/4" Intermediate: Sample Catchers-as required by Geology Drilling: Dir/GR Open Hole: None Cased Hole: None 6-1/8" Production: Sample Catchers-as required by Geology Drilling: Dir/GR/RES/Neu/Den • Open Hole: None Cased Hole: None Cement Program Casing Size 7"26#, L-80 Intermediate Casing Tail: Volume of open hole+40%excess+ 80' shoe track Basis: Tail TOC: -7560' MD Total Cement Spacer 25 bbls of Viscosified Spacer(Mud Push II) Volume: Tail 38 bbls,212 cuft, 183.5 sks 15.8 lb/gal Class G +adds- 1.16cuft/sk Temp BHST 180° F, BHCT TBD by Schlumberger Casing Size 4.5" 12.6#, L-80 Production Liner Basis: Lead: None Tail: Volume of open hole+40%excess+ 80'shoe track+ 150'of liner lap+200'of 7"x 4" DP excess. Tail TOC: 8,600' MD (Liner Top, excess will be circulated out) Total Cement Spacer 25 bbls of Viscosified Spacer(Mud Push II) Volume: Lead N/A Tail 70 bbls, 392 cuft, 335 sks 15.8 lb/qal Class G +adds- 1.17cuft/sk Temp BHST 187° F, BHCT TBD by Schlumberger 05-33B Permit to Drill Application Page 4 Surface and Anti-Collision Issues Surface Shut-in Wells: There are no wells requiring surface shut-in in order to move onto the well. At surface 05-10 is -35'to the northeast and 05-09 is to the southwest 35'. Close Approach Shut-in Wells: 05-34 fails major risk on the anti-collision report. This well was originally drilled in 1991 and was P&A's and sidetracked in 2008. There is cement in the tubing and an EZSV set at 3249'MD where it was sidetracked at. A tolerable collision risk worksheet will be filled out for 05-34. Hydrogen Sulfide Recent H2S data from the pad is as follows: Well Name H2S Level Date of Reading #1 Closest SHL Well H2S Level 05-08 5 ppm 7/14/2004 #2 Closest SHL Well H2S Level 05-09A 10 ppm 3/17/2010 #1 Closest BHL Well H2S Level 05-34A 11 ppm 8/16/2009 #2 Closest BHL Well H2S Level 05-04A 10 ppm 4/27/2009 Max.Recorded H2S on Pad/Facility 05-16B 50 ppm 8/2/1999 Other Relevant H2S Data (H2S alarms from rigs,etc.) Faults There is two possible fault crossing in Zone 4 but both faults are fairly small (15'-20'throw on one and 5'throw on the other). LC is not expected to be an issue. Well Control Well control equipment consisting of 5,000 psi working pressure pipe rams (2), blind/shear rams, and annular preventer will be installed and are capable of handling the maximum potential surface pressures. Based upon calculations below, BOP equipment will be tested to 3,500 psi. BOP regular test frequency for 05-33B will be 14 days during drilling phase and 7 days during decompletion and surface casing work. BOPE and drilling fluid system schematics on file with the AOGCC. Intermediate Interval Maximum anticipated BHP 3,037 psi @ 8,345'TVDss (7.0 ppg EMW) 2,202 psi Maximum surface pressure (based upon pressure at TD-0.10 psi/ft gas gradient to surface) Kick tolerance 50 bbls with 11 ppg frac gradient, assuming 7.0 ppg reservoir, 4" DP and 10.2 ppg MW Planned BOP test pressure Rams test to 3,500 psi/250 psi. Annular test to 2,500 psi/250 psi 7" Casing 3500 psi surface pressure Integrity Test-8-3/4" hole FIT/LOT after drilling 20'from middle of window 7" Casing The VBRs will be changed to 7" rams to accommodate the 7"casing 05-33B Permit to Drill Application Page 5 Production Interval Maximum anticipated BHP 3,203 psi @ 8,880'TVDss (7.0 ppg EMW) Maximum surface pressure 2,368 psi (based upon pressure at TD- 0.10 psi/ft gas gradient to surface) Kick tolerance Infinite with 8.8 ppg frac gradient, assuming 7.0 ppg reservoir, 4" DP and 8.5 ppg MW Planned BOP test pressure Rams test to 3,500 psi/250 psi. Annular test to 2,500 psi/250 psi Integrity Test—6-1/8" hole FIT/LOT after drilling 20' of new hole Planned completion fluids 8.5 ppg Seawater/6.8 ppg Diesel Other Requests: Given rig floor height limitations, a MASP <3000 psi, and the fact that the three ram drilling BOP configuration is preferred to a two ram configuration with a spool, BPXA will execute the provisions of 20 AAC 25.285 (f) (1) regarding the initial testing of the BOPE as follows when existing wellhead or testing equipment prevents the testing of the lowest set of pipe rams: That lowest set of rams will be tested at the earliest opportunity during path-forward de-completion work, i.e., after the completion has been pulled from the well. Safety concerns and spacing limitations with the wellhead height and tubing spool preclude us from installing a spacer spool in the three-ram drilling BOP stack. Disposal • No annular injection in this well. • Cuttings Handling: Cuttings generated from drilling operations will be hauled to grind and inject at DS- 04. Any metal cuttings will be sent to the North Slope Borough. • Fluid Handling: Haul all drilling and completion fluids and other Class II wastes to DS-04 for injection. Haul all Class I waste to DS 04 and/or Pad 3 for disposal. Contact the GPB Environmental Advisors (659- 5893)for guidance. 05-33B Permit to Drill Application Page 6 • Drilling Hazards and Contingencies POST THIS NOTICE IN THE DOGHOUSE I. Well Control A. The Ivishak in this fault block is expected to be 7.0 ppg EMW. This pressure is estimated based on offset well pressures. 3500 psi test pressure is in accordance with the RP for Prudhoe production well casing tests for producing wells. II. Lost Circulation/Breathing A. 05-33B has a low risk of LC due to the seismic data which indicates that we have two small fault • crossings in Z4 III. Kick Tolerance/Integrity Testing A. With the planned mud weights, the kick tolerance for the intermediate section is 50 bbl, and for the production section is infinite. The FIT/LOT will prove up adequate formation strength for expected . ECD's. B. Integrity Testing Test Point Test Depth Test type EMW(113/gal) 9-%"window 20-ft minimum from the 9-%"window FIT/LOT 11.0 minimum * 7" shoe 20-ft minimum from the 7"shoe FIT/LOT 8.8 minimum *Gives a 50 bbl kick tolerance assuming a mud weight of 10.2 ppg IV. Hydrogen Sulfide Well Name H2S Level Date of Reading #1 Closest SHL Well H2S Level 05-08 5 ppm 7/14/2004 #2 Closest SHL Well H2S Level 05-09A 10 ppm 3/17/2010 #1 Closest BHL Well H2S Level 05-34A 11 ppm 8/16/2009 #2 Closest BHL Well H2S Level 05-04A 10 ppm 4/27/2009 Max.Recorded H2S on Pad/Facility 05-16B 50 ppm 8/2/1999 V. Cretaceo _ Overpressure A. BEWA- : retaceous over pressure has been experienced -5250-5500 TVDss. FS-1 (PW DW 1-2A, 1 mi - as perforations in the UG4 and UG3. LPC (LPC-01 and LPC-02, 2 miles) has perforations in the UG1 and has been injecting through the last year. Watch for overpressure at KOP. Ensure that a plan is in place in case the overpressure exceeds the mud weight VI. Anti-Collision Issues A. All the wells pass major risk criteria except for 05-34. This well was originally drilled in 1991, P&A'd in 2008, and also sidetracked that year. Ther is cement in the tubing and an EZSV set at 3249' MD where the well was sidetracked. A tolerable collision risk worksheet will be filled out for 05-34. CONSULT THE DS-05 DATA SHEET AND THE WELL PLAN FOR ADDITIONAL INFORMATION 05-33B Permit to Drill Application Page 7 Operations Summary Well Status: ✓ PPPOT-T passed 4/20/10 ✓ PPPOT- IC FAILED 4/20/10 ✓ MIT-OA Passed to 2000 psi 4/8/10 ✓ MIT-T Passed to 3000 psi 7/5/2009 Notify the field AOGCC representative with intent to plug and abandon Pre-rig prep work: S Pull LTTP. Lock Out TRSSSV. F Injectivity Test F Fullbore P&A. TOC at 9200' MD. S D&T Cement. Pull GLV in Sta 7. F Circulate well to seawater. F Circulate 1000' of cement into IA. TOC at 8200' MD S D&T Cement. Drift for Jet Cut. Pull GLV in Sta 4. F Circulate Well to Kill Weight Brine E Jet Cut Tubing. ✓ Set BPV. Proposed Drilling Rig Operations: 1. MI/RU and confirm wellhead pressures at 0 psi. 2. Pull BPV w/tested lubricator and circulate out diesel freeze protection and displace the well to 9.8 ppg - brine. 3. Re-set BPV and to 1000 psi from below. 4. As the 7" production casing will be cut and pulled on this well, begin the OA monitoring process (un- cemented annulus/RU to bleeder tank and bleed the OA to 0 psi). 5. Nipple down tree and insert a blanking plug and test from above to 3500 psi per FMC rep. Nipple up and test BOPE to 3500psi. (NOTE: INSTALL SPACER SPOOL ABOVE THE TUBING SPOOL IF REQUIRED TO ALLOW THE TESTING OF THE LOWER SET OF RAMS PRIOR TO PULLING THE • TUBING.) 6. Pull the blanking plug and BPV w/tested lubricator per FMC. • 7. R/U &pull 3-1/2"tubing from the cut depth at 4400' MD. 8. PU drill-pipe and make bit and scraper run to the top of the tubing stub.' 9. RU E-line and run GR/CCL/USIT log from top of the tubing to surface to confirm. • 10. With E-line, run and set a 7" EZSV at-4280' MD and test well to 2500 psi for 30 minutes and chart. • 11. MU Baker 7" casing cutter and RIH to the top of the EZSV at -4280' MD and circulate the well to clean • brine. 12. Pull the casing cutter up to 4080' MD (-75' below the surface casing shoe) and cut the 7" casing and circulate the annulus to seawater/fresh water. (NOTE: Be prepared for diesel freeze protect coming back during the OA circ-out.) 13. With sufficient down-hole barriers in place, pull the 7" casing from the cut through the wellhead/BOPE . per FMC. 14. RIH open-ended drillpipe with 9 5/8"scraper spaced out 300' up. Tag EZSV and CBU, POH. 15. RIH with open-ended drillpipe and diverter and lay a balanced cement plug from the top of the 7" EZSV at 4280' MD back into the 9 5/8"casing to-3600' MD (-700'cement plug). NOTE: If the 7"casing cannot be pulled from -75'below the 9 5/8"surface shoe, the 7"casing will be cut just inside the 9 5/8" shoe and a whipstock departure from the 9 5/8" casing will be back-up plan for sidetracking this well(will require a CIBP at base of 9 5/8"casing to accommodate a casing test). 05-33B Permit to Drill Application Page 8 16. RIH 8-3/4" drilling assembly with MWD/GR/DIR/RES/PWD and RIH to the top of the cement kick off ! (A plug. 17. Clean-out cement to within 50' of the 9 5/8" surface casing shoe and test the casing to 3000 psi for 30 minutes and chart. 18. Drill out the cement to below the surface casing shoe at 4004' MD and begin sidetracking efforts to sidetrack the well. ✓ 19. Drill 20'–50'of new formation and perform LOT test. /(•o•pra 20. Drill to +/-100' above the HRZ, ensure mud is in condition and up to required weight and perform short trips as needed. Ensure Pre-Reservoir meeting is held high lighting kick tolerance and detection prior to entering the Sag R. )7I) 21. Drill ahead to TD in the base of the Kingak/top of the Sag R. 22. Condition hole for running 7"26#intermediate casing. POOH and LD DP. j 23. Run and cement the 7" intermediate casing displacing the cement with LSND mud. - �V 24. Make up 6 1/8" build assembly with GR/Res. RIH to landing collar. 7 6oP 25. Test the 7"casing to 3500 psi for 30 minutes. Rk� s 26. Freeze protect the 7"x 9 5/8"annulus. Record formation breakdown pressure on the Morning Report. 27. Drill shoe tract and displace the well to 8.5 ppg Flo-Pro. Drill 20' new formation and perform FIT to 10.5 ppg. CA-•-•a— RAN r V45k J 28. Drill build section, POH. 29. Pick up lateral section BHA. Drill ahead to TD 30. POH, run and cement 4'/2" L-80 liner to TD. 31. Run the 4 'h", 12.6#, 13 Chrome, VamTop completion. Set packer and test the tubing to 3500 psi and annulus to 3500 psi for 30 minutes. Shear the GLM shear valve. 32. Install BPV. Test from below to 1000 psi. 33. ND BOPE/NU tree and pull the BPV with a lubricator. 34. Install a test plug and test the tree to 5000 psi w/diesel. 35. Pull the test plug and RU hot oil truck and freeze protect well to 2,000'TVD with diesel. 36. Install BPV. 37. Rig down and move off well. Post-Rio Work: 1. Install new well house and flow lines. 2. MI / RU slick-line. Pull the ball and rod / RHC plug from landing nipple below the production packer. Install gas lift valves. 3. Perform ASRC Flow-back. Drilling Engineer: Abby Warren (907) 564-5720 Production Engineer: Alice Kaminski (907) 564-5676 Geologist: Doug Stoner (907) 564-5652 ATTACH: Current Schematic Pre-Rig Schematic Proposed Schematic 05-33B Permit to Drill Application Page 9 TREE= FMC WELLHEAD= FMC 05 33A SAFETY NOTES: WELL ANGLE>70?@ 10389' 7" CASING' K @ 6600-SQZD*** ACTUATOR= AXELSON KB.ELEV = 70' BF.ELEV= N/A KOP= 2873' Max Angle= 97 @ 10515' Datum MD= 10171' 0 I 2231' 1-13-1/2"OTIS FMX TRSV SSSV NIP, ID=2.813" I Datum TVD= 8800'SS 9-5/8"CSG,36#,K-55/J-55, I0=8.921 —4 4004' IJ , GAS LIFT MANDRELS ST MD ND DEV TYPE VLV LATCH PORT DATE 1 3246 3228 19 MMG RK 2 5675 5256 35 MMG RK MIN ID = 1.969" @ 9353' ELMD 3 7026 6342 38 MMG RK BAKER DEPLOYMENT SLV FOR 2-3/8" LNR 4 7816 6964 37 MMG RK 5 8389 7423 37 MMG RK 6 8744 7707 37 MMG RK 7 9144 8031 34 MMG RK 6404' SLMIHTBG RESTRICTION(01/30/07), ID=2.615" I p. --I 9289' H 7"X 5-1/2"OTIS BWD PERMANENT PKR I • 9353'_I-12-3/8"BKR DEPLOY SLV, ID=1.969" I TOP OF 5"LNR -1 9368' I -- 9353' I---I2-3/8"LTTP-4000 PSI BURST DISC(07/04/09) I TOP OF 2-3/8"LNR I 9367' I i I 9407' H 3-1/2"OTIS XN NIP, ID=2.75"(BEHIND PIPE) I 3-1/2"TBG,9.3#, 13CR-80, .0087 bpf, ID=2.992 H 9423' I — I 9414' I-13-1/2"TBG TAIL(BEHIND PIPE) 9427' —I ELMD TT LOGGED 06/29/94 I 7"CSG,26#, L-80, ID=6.276" IH 9705' I- MILLOUT WINDOW(05-33A) 10101'- 10107' PERFORATION SUMMARY REF LOG: BHCS on 5/27/1991 I 10100' I—I TOP OF P&A CEMENT ANGLE AT TOP PERF: 94 @ 10490' Note: Refer to Production DB for historical perf data SIZE SPF INTERVAL Opn/Sqz DATE pBTD I-I 11960' I 1-11/16" 4 10490- 10620 09/03/00 1-11/16" 4 10750- 11350 09/03/00 TD I 12002' I 1-11/16" 4 11540- 11955 09/03/00 gem. ion. *fir 5"LNR, 18#, 13CR-80, ID=4.276" H 10537' I , 2-3/8"4.6#,FL4S,L-80, 1.995", ID/CAP=.00387" I—I 11997' I DATE REV BY COMMENTS DATE REV BY COMMENTS PRUDHOE BAY UNIT 07/05/91 D-9 ORIGINAL COMPLETION 07/25/09 ACB/PJC SET LTTP(07/04/09) WELL: 05-33A 09/03/00 SIDETRACK(05-33A) PERMIT No:X2000920 02/21/00 MH/tp-CH/kk CORRECTIONS AR No: 50-029-22168-01 02/22/03 JMP/KK WAIVER SAFETY NOTE SEC 31,T11 N, R15E,4156.35'FEL&3183.69'FNL 12/20/04 RDJ/PAG WAIVER SAFETY NOTE REV 02/06/07: MGS/TLH DIAGRAM CORRECTIONS(NO XO) BP Exploration(Alaska) TREE= FMC NOTES: WELL WELLHEAD= FMC 05-43B P re-Rig CAS NYCK@ 6600-SQZDE>70?@ 10389'* `7" ACTUATOR= AXELSON - KB. ELEV = 70' BF.ELEV = N/A KOP= 2873' Max Angle= 97 @ 10515' Datum MD= 10171' 2231' H 3-1/2"OTIS FMX TRSV SSSV NIP, ID=2.813" Datum TVD= 8800'SS 9-5/8"CSG,36#, K-55/J-55, ID=8.921 -J 4004' IA ' GAS LIFT MANDRELS _ ST MD TVD DEV TYPE VLV LATCH PORT DATE Jet Cut Tubing - 4400' I 1 3246 3228 19 MMG RK 2 5675 5256 35 MMG RK 3 7026 6342 38 MMG RK 4 7816 6964 37 MMG RK 5 8389 7423 37 MMG RK 6 8744 7707 37 MMG RK 7 9144 8031 34 MMG RK Top Abandonment Cement H 9200' I 6404' SLM IHTBG RESTRICTION(01/30/07), ID=2.615" I 9289' H 7"X 5-1/2"OTIS BWD PERMANENT PKR I 9353' H 2-3/8"BKR DEPLOY SLV, ID= 1.969" I TOP OF 5"LNR — 9368' I--- - 9353' H 2-3/8"LTTP-4000 PSI BURST DISC(07/04/09) I — TOP OF 2-3/8"LNR H 9367' I 9407' H3-1/2"OTIS XN NIP, ID=2.75"(BEHIND PIPE) 3-1/2"TBG,9.3#, 13CR-80, .0087 bpf, ID=2.992 H 9423' I - I 9414' 1H3-1/2"TBG TAIL(BEHIND PIPE) I 9427' H ELMD TT LOGGED 06/29/94 I 7"CSG,26#, L-80, ID=6.2761H 9705' I-J MILLOUT WINDOW(05-33A) 10101'- 10107' PERFORATION SUMMARY REF LOG: BHCS on 5/27/1991 I 10100' HOP OF P&A CEMENT ANGLE AT TOP PERF: 94 @ 10490' Note: Refer to Production DB for historical perf data • SIZE SPF INTERVAL Opn/Sqz DATE 1-11/16" 4 10490- 10620 • PBTD H 11960' I 1-11/16" 4 10750- 11350 TD 12002' 1-11/16" 4 11540- 11955 .ii. 'U. 5"LNR, 18#, 13CR-80, ID=4.276" -f 10537' I A • 12-3/8"4.6#,FL4S, L-80, 1.995", ID/CAP=.00387" IH 11997' I DATE REV BY COMMENTS DATE REV BY COMMENTS PRUDHOE BAY UNIT 07/05/91 D-9 ORIGINAL COMPLETION WELL: 05-33A• 09/03/00 SIDETRACK(05-33A) PERMIT No: 2000920 . 04/26/10 PGS Proposed sidetrack prep API No: 50-029-22168-01 SEC 31,T11 N, R15E,4156.35'FEL&3183.69'FNL BP Exploration(Alaska) TREE= FMC SAFETY NOTES: WELLHEAD= ACTUATOR= AXELSFMC ON 05-33 Proposed KB. ELEV = 70' BF. ELEV = N/A KOP= 2873' Max Angle= Datum MD= I 2200' I-14-1/2"X NIP, ID=3.813" Datum TVD= 8800'SS GAS LIFT MANDRELS 9-5/8"CSG,36#, K-55/J-55, ID=8.921 -I 4004' ST MD TVD DEV TYPE VLV LATCH PORT DATE 4 3 2 1 8443' —14 1/2"X Nipple(3.813"ID) 8473' —17"x 4 1/2"Baker S3 Packer 8503' H4 1/2"X Nipple(3.813"ID) �. I 8573' I-I4 1/2"XN Nipple(3.725" ID) ►� �� 8584' 4 1/2"Hanger/liner top packer Minimum ID = 3.725" @ XN 8587' �4 1/2"WLEG NIPPLE • 8742' -17"26#L-80(6.276"ID) I 4 1/2" 12.6#, L-80 MBT -I 11352' I PERFORATION SUMMARY REF LOG: ANGLE AT TOP PERF: Note:Refer to Production DB for historical pert data SIZE SPF INTERVAL OpnlSgz DATE 7"CSG,26#, L-80, ID=6.276" —{ 9705' I-4 • 5"LNR, 18#,13CR-80, ID=4.276" H 10537' I , DATE REV BY COMMENTS DATE REV BY COMMENTS PRUDHOE BAY UNIT 07/05/91 D-9 ORIGINAL COMPLETION WELL: 05-33B 09/03/00 SIDETRACK(05-33A) PERMIT No: 2000920 04/27/10 PGS Proposed Sidetrack API No: 50-029-22168-02 SEC 31,T11 N,R15E,4156.35'FEL&3183.69'FNL BP Exploration(Alaska) N O 0^ O n.7 1n N 44222 PN 0D 6 N 0 z,--, 0 ;24424 44,4 N N 17 0 6 m 0 O m 2 24'a4 N p z0 , a 004A 004NcDo N ,.,.rn 0W 00K66 060.i N,N0M V0 . 10N0 e-0.10 00 . ,0 N00 co W" mnnn 0 000 0Y04O N OaaA O y M2g 02822 2280 a 00000 0(0(000 WpN O 0000 q 0as 0a W W W W a a W a 000O m O O O 0O O 0O 0O 0O 0 00000 .O.0. 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N 1 N C N N M M M 2 0 ,.4 0 6 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 . .00m 0 gr0 00 M g esJ O 20Ory0 p p O� j p 20000 00000 O�N 4)C c m0NN 1- - 0 N N N M M Q V V N N m W,-N M Q 2 m n W 0 O O M 2 04 0.-W N 1m f" 0 00000 00000 08000 00000 MOOMM O 0 0 ^^' mace— a A 0 t1 E r 0 00 0 00 M N 0.. .-.--4.00, N C LL ON MI-.O V ffi H O`Q 0 0 4 0 C —. ilia. m t,2 2 p+p+ M • E 4)2 2 D)U U o U m m C u.0 G `2'04 r N0 O 4.0 WI- 4.4)1 Q ✓ N N N by • 0 Schlumberger WELL I FIELD STRUCTURE DS05-33B (P4) Prudhoe Bay Unit- EOA I DS-05 Magnetic Paramelen Sueace Local. N0027 Dada State Plane.Zone 04.US Feel M°ceraneou. 44411: BGGM2010 Olp: 80979' Date: 0u91.M02 2010 Lat. N 701551.141 NMBln9: 5948771485US Grid Gone,150142215' I 00,4 05-33 TVD Re,: Rotary Table(8268 above MSC) Mao Dec: 22.119' ES: S1884.InT Lon: W 1482417.738 East.: 897273898US Scale Fad 0.99994421 P01. 05-338(P4) Sny Date:Jura 02.2010 0 800 1600 2400 3200 4000 '5-33 Tie-In Survey 9-518"Csg Cr9 4/100 cri 4/100 4000 4000 End Cry • • ._.._>,._.._.._.._.._.._.._.._.. .._.._.._.._.._.._.._.._..�.._.._.._.._.._.._.._.._.o-.._.._.._.._. 4800 5600 5600 0 o 0 6400 --- 6400 To _.i_.._.._.._.._.._.._.._.._ _.._.._.._.._.._.. y�.._i._.._.._.._.._.._.._. ..a.._.._.._.._.._.._.._.._..+.._.._.._.._. _.._._.._.._.._.._. U In 0 7200 } 7200 8000 a --------- 8000 ..i.........................o....................... �j'.,. ...r..........................i........... .. ....d............. _._.._.._.._.._.._.._.._.._ _.._.._.._.._.._.._..�utt1LL18.._.._.._C.��._..�.._ _.._.._.._.._OnM1M.._.._..End Crv. ._.._.7.._.._.._.._. 8800 m.ue!!! !U.u.u.ne!!!!!e!!en!! n.nen nene!!!!!s!!!n.!! !!! .nm! 15! !u..w ■i■. .w • b 95-33• 2 • -314-Lnr 5" 05-33 0 800 1600 2400 3200 4000 Vertical Section(ft)Azim=281.99°,Scale=1(in):800(ft) Origin=0 N/-S,0 E/-V . . .. . . . . . _ . . _ . . . . __ . 1. o \§ § 0 o A ® . o \ o ° - o o , 2 � . , & w / L ) % G3 E ! ; G2 -2i 0 = n 0 = jf § § = COD $ Cl) : 0 |�8 In \ )t! ■ 2 \ B w. ss-{ A } ) o « g o§w | i w ƒ M S k i�gi \ > )}( m lip'ZI ƒ , s 4 . . 4 , . cp CNI o �� Cl)a 2 f ; q v l\/ . 6 v ] 2 v : ]4! o . 0 — — f f . § \/ k h o o. \ t a t 1 m =� v an o _ _ 8 ° 9 ` 9 U) |) ; }\ \ e k J. . § 0 § 0 U 0 . «< N U«$(WI.=oleos S »> BPPASSPORT Anticollision Report Company: North America-ALASKA-BP Local Co-ordinate Reference: Well 05-33 Project: Prudhoe Bay TVD Reference: 05-33B Plan @ 62.60ft(Nabors 7ES) Reference Site PB DS 05 MD Reference 05-33B Plan @62.60ft(Nabors 7ES) Site Error: 0.00ft North Reference: True Reference-Well: - 05-33 Survey-Calculation Method: --Minimum Curvature Well Error: 0.00ft Output errors are at 1.00 sigma Reference Wellbore Plan 05-33B Database: EDM.16-Anc Prod-WH24P Reference Design: Plan#4 05-33B Offset TVD Reference: Offset Datum Reference Plan#4 05-33B Filter type: GLOBAL FILTER APPLIED:All wellpaths within 200'+100/1000 of refer( Interpolation Method: MD Interval5.00ft Error Model: ISCWSA Depth Range: 4,010.00 to 11,352.68ft Scan Method: Tray.Cylinder North Results Limited by: Maximum center-centerdistance of 1,332.42ft Error Surface: Elliptical-Conic Survey Tool-Program —Date 6/2/2011 From To Oil—_ _._(ft) Suniey(Vifellborej ----------TooTName-____ Description i ption ---- - I 37.00 3,993.40 05-33 Srvy 1 GCT-MS(05-33) GCT-MS Schlumberger GCT multishot 3,993.40 4,200.00 Plan#4 05-336(Plan 05-33B) INC+TREND Inclinometer+known azi trend 4,200.00 8,862.24 Plan#4 05-336(Plan 05-33B) MWD+IFR+MS MWD+IFR+Multi Station 8,862.24 11,352.68 Plan#4 05.336(Plan 05-33B) MWD+IFR+MS MWD+IFR+Multi Station 6/2/2010 4:11:22PM Page 2 of 4 COMPASS 2003.16 Build 71 BPPASSPORT Anticollision Report Company: North America-ALASKA-BP Local Co-ordinate Reference: Well 05-33 Project: Prudhoe Bay TVD Reference: 05-33B Plan @ 62.60ft(Nabors 7ES) Reference Site: PB DS 05 MD References - 05-33B Plan @ 62.60ft(Nabors 7ES) Site Error: 0.00ft North Reference: True Reference Well----05-33 Survey-Calculation-Method-____._Minimum Curvature Well Error: 0.00ft Output errors are at 1.00 sigma Reference Wellbore Plan 05-33B Database: EDM.16-Anc Prod-WH24P Reference Design: Plan#4 05-33B Offset TVD Reference: Offset Datum Summary Reference Offset Centre to No-Go Allowable_-____ Measured Measured Centre Distance Deviation Warning Site Name Depth Depth Distance (ft) from Plan OffsetWell--Welibore-Design it - -(ft} i{t} _ Aft)- PB DS 02 02-34-02-34A-02-34A Out of range PB DS 05 05-07-05-07-05-07 4,010.00 4,520.00- 1,220.60 75.72 1,149.00 Pass-Major Risk 05-08-05-08-05-08 4,016.12 4,120.00 468.93 67.36 403.59 Pass-Major Risk 05-08-Plan 6,05-08A-Plan 6 4,016.46 4,120.00 469.17 71.33 400.44 Pass-Major Risk 05-08_DIMS-05-08-05-08 4,016.12 4,120.00 468.93 67.36 403.59 Pass-Major Risk 05-08_DIMS-05-08A-05-08A Out of range 05-08_DIMS-05-08A-Plan 6 4,016.46 4,120.00 469.17 71.33-_ 400.44 Pass-Major Risk- 05-09-05-09-05-09 Out of range 05-09A-05-09A-05-09A Out of range 05-10-05-10-05-10 4,011.64 4,255.00 638.19 77.37 569.72 Pass-Major Risk 05-10-05-10A-05-10A 4,011.64 4,255.00 638.19 77.37 569.72 Pass-Major Risk 05-10-05-10B-05-10B 4,011.64 4,255.00 638.19 77.37 56g.72 Pass-Major Risk- 05-10-05-10BPB1 -05-1 OBPB1 4,011.64 4,255.00 638.19 77.37 569.72 Pass-Major Risk 05-10-05-10C-05-100 4,011.64 4,2.55.00 638.19 77.37 569.72 Pass-Major Risk_ 05-10_DIMS-05-10-05-10 Out of range 05-10_DIMS-05-10-05-10 Out of range 05-10_DIMS-05-10-05-10 Out of range 05-10_DIMS-05-10-05-10 Out of range 05-11 -05-11 -05-11 4,867.84 4,860.00 258.76 206.13 54.25 Pass-Major Risk 05-11 -05-11A-05-11A 4,864.29 4,860.00 258.84 206.08 54.25 Pass-Major Risk 05-12-05-12-05-12 4,011.84 4,215.00 612.11 64.21 552.75 Pass-Major Risk 05-12-05-12A-05-12A 4,011.84 4,215.00 612.11 64.21 552.75 Pass-Major Risk 05-12-05-12B-05-12B 4,011.84 4,215.00 612.11 64.21 552.75 Pass-Major Risk 05-13-05-13-05-13 Out of range 05-13-05-13A-05-13A Out of range 05-13-05-13B-05-13B Out of range 05-20-05-20-05-20 4,010.00 4,250.00 661.41 58.90 606.07 Pass-Major Risk 05-20-05-20A-05-20A 4,010.00 4,250.00 661.41 58.90 606.07 Pass-Major Risk 05-20-05-20B-05-20B 4,010.00 4,245.00 663.18 58.89 607.85 Pass-Major Risk 05-20-05-20PB1-05-20PB1 4,010.00 4,250.00 661.41 58.90 606.07 Pass-Major Risk 05-22-05-22-05-22 4,010.00 4,255.00 631.34 56.94 577.62 Pass-Major Risk 05-22-05-22A-05-22A 4,010.00 4,255.00 631.34 56.94 577.62 Pass-Major Risk 05-22-05-22B-05-22B 4,010.00 4,255.00 631.34 56.94 577.62 Pass-Major Risk 05-22_DIMS-05-22-05-22 Out of range 05-22_DIMS-05-22A-05-22A Out of range 05-22_DIMS-05-22B-05-22B Out of range 05-25-05-25-05-25 5,856.43 5,975.00 414.52 216.86 219.50 Pass-Major Risk 05-25-0525A-05-25A 5,856.43 5,975.00 414.52 216.86 219.50 Pass-Major Risk 05-25-05-25B-05-25B 5,856.43 5,975.00 414.52 216.86 219.50 Pass-Major Risk 05-25-05-25C-05-25C 5,856.43 5,975.00 414.52 216.86 219.50 Pass-Major Risk 05-31 -Plan 05-31B-Plan#5 05-31B 9,300.00 9,680.00 925.11 230.30 696.76 Pass-Major Risk 05-33-05-33-05-33 4,201.72 4,210.00 11.17 117.86 -86.35 FAIL-Major Risk 05-33.05-33A-05-33A / 4,201.72 4,210=00 11.17-, 117.86 -86.35 FAIL-Major Risk - 05-34-05-34-05-34 V/ 8,471.01 8,705.00 75.17' 479.97 -402.85 FAIL-Major Risk 05-34-05-34A-05-34A 9,291.51 9,820.00 256.62 230.96 80.50 Pass-Major Risk_____ 05-35-05-35-05-35 4,297.99 4,270.00 724.43 215.22 509.43 Pass-Major Risk 05-35-05-35A-05-35A 4,300.84 4,270.00 692.31 366.61 338.22 Pass-Major Risk 05-36-05-36-05-36 Out of range 05-36-05-36A-05-36A Out of range 05-36-05-36APB1 -05-36APB1 Out of range 6/2/2010 4:1 1:22PM Page 3 of 4 COMPASS 2003.16 Build 71 • Project: Prudhoe Bay Site: PB DS 05 Well: 05-33 Wellbore: Plan 05-33B Design: Plan #4 05-33B From Surface to TD Scan interval 100 ft Scale 1 : 100 05-34 passes 1:200 risk rule s_ # ,' I 330 _I 1'�/ 1 t/I \ 1 l 30 \ 41110, .4i< ---1.:4927,10.- , _.--711-r- , '',,e"*. , 0,44/tio 7 '.„...„1- 1' '.141174W" ' , 1 ' \ ' , ir jer- / \ \ i a l��1;; 1.�,'• �1%19 A' Ph., A -' ' * ArAfritab ,_,..._ 40111111ft■ -.am A �� YV, � �i .- �I� f ,= � �of ,..,41.1.■� �� ► .� ik.....1 270 rialliter 9° VIr.,:. r viii ' 240 •18 ' � framAte .4 33/05-33A • /� _ � , MIL MO VP'%ivy 'mss 40/./1111114.114W rot' 444 0,,..40, ve 210 #t61, \. '7.. Alai 350 `'% '�i �» �» 180 Travelling Cylinder Azimuth (TFO+AZI)[1 vs Centre to Centre Separation[100 ft/in] . .-' 0 0 0 0 0 0 0 LI-) CNJ .0 0 0 CT- LO M 0 :11 [JOS ' - 0 f.44 ii ..g-, pc% 0081 - .;3. .t.t. .1 .ligila I 00 I E- , i - _): \\ + \\ 1E- \\ 00 \\\ 1 \\ \\ 1 \\ \\\ \ \ f : 0 000E- , g , \ II 1 \ \ \ Il \ )\ ) °DEE- / / / / / / // _ 009E- // 1// / / / / // 00bE- / // // I//- / 0 it; ---"-:-/ I 00Z-'1- . ....2.1 bop , Ilinii / 7 Alaska Department of Natural P 'urces Land Administration System Page 1 of,2/( _r Alaska Mapper Land Records/Status Plats Recorder's Search State Cabins Natural Resources Alaska DNR Case Summary File Type: ADL File Number: 28326 di 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 Search for Status Plat Updates As of 06/16/2010 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: 011N Range: 015E Section: 29 Section Acres: 640 Search Plats Meridian: U Township: O11N 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-R15E-UM29,30,31,32 2491.00 U-3- 7 End of Case Summary Last updated on 06/16/2010. http://dnr.alaska.gov/proj ects/las/Case_Summary.cfin?FileType=ADL&FileNumber=2832... 6/16/2010 TRANSMITTAL LETTER CHECKLIST WELL NAME 7 "OaS�31r PTD# 0.2100,/ /Development Service Exploratory Stratigraphic Test Non-Conventional Well FIELD: p,6'U4,+'i 04 ' POOL: J■�'L/4,40C&AFO/G Circle Appropriate Letter/Paragraphs to be Included in Transmittal Letter CHECK ADD-ONS WHAT (OPTIONS) TEXT FOR APPROVAL LETTER APPLIES MULTI LATERAL The permit is for a new wellbore segment of existing well (If last two digits in Permit No. ,API No. 50- - - API number are between 60-69) Production should continue to be reported as a function of the original API number stated above. PILOT HOLE In accordance with 20 AAC 25.005(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. 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