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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.l v. - icao Well History File Identifier Organizing (done) ❑ Two-sided ❑ Rescan Needed RES N: OVERSIZED: NOTES: Colo Items: ❑ Maps: rayscale Items: gs: ❑ Poor Quality Originals: ❑ Other: ❑ Other: /I VYJ10BY: Maria Date: r /s/ Project Proofing BY: Maria Date: ' A I /s/ of _____ Scanning Preparation x 30 = O + g7=TOTAL PAGES U 1 lo(Count does not include cover sheet) �M BY: Maria Date: /9. /s/ Production Scanning i Stage 1 Page Count from Scanned File: 9 (Count does include covers eet) Page Count Matches Number in Scanni Pr aration: YES NO BY: 442. Date: ` a.. Li f L /s/ 14 r Stage 1 If NO in stage 1, page(s) discrepancies were found: YES NO BY: Maria Date: /s/ Stage 2 Additional Well Reports: YES NO TOTAL PAGES: Digital version appended by: Meredith Michal Date: /s/ Final Page Count: Stage 1 + Stage 2: TOTAL PAGES: Scanning is complete at this point unless rescanning is required. ReScanned BY: Maria Date: /s/ Comments about this file: Quality Checked 7/8/2014 Well History File Cover Page_20140708.doc o I c 0u a 1 9 O o a a c >, + , fiw a) Q Q Q co a) I O a) co m CL -0'L,, .> E ' Z/ Z/Z N Z p (� (� O' O_ a)'N N >'• } > . SII ° a c N N j I' >9 - ' cIn° n a)C9 o g o) =c m N vim) o 1) E'cL C d.-al cLC I) n c in m > E1 >.a >. =.> E 0.- co rnE rn Q O I ° N N N N�+ (0 E N O Z Z U' ZO 2 p (nm a � pom n o o o U) + U)) 2WCe 20 i- 0 I �j -c m p, � N c Q o -0. 2 d o 0° II 0 •> r) C7 (h U 1 .... O' o o J V N N 0 0 O N a) a) V N N N 0 I O C N N (O (O CO Z / J N Co Co Co 3 N E C Z /Z _ = N N N aCi N a OU O O O O O E } H } IX a co w U . �CC a) • G co CO CO CO CO ` p ii o s (o (o (o m (o c.. a I :g (o A F- 0 N .- c� co cubI W N Z ai 1 CL t rn rn 0) (0 OJ a� M M O o o- i a) N O. CO rn Fn rn ii E CC W W 9 N a) 0- CO _1 > m o n V m / O .> E Z c y vi «? co a e ° 0 s to iii to Qz o c J E 43 1i °' fo 'O on'0 o o U co U 0. Zf m 0 0 M o . N la 0 a N a) 1 d a) p)jC I ((7 co O c J co N N �,I /< U 0 co -- •-• I 1 U >- >- � a m > `/ 0 a N II z cal z o 1111 2 N o C N I CC C II Mc a M 0 d d E CCI m IU ° ~ E W r 0 a) m « c I CO =D mp 0 (VN U ac E c O a ag a� 1 a� u d ZI o4. EO a Z E 7 > v (3 13 p Z Z . w i 0 _1 7 = a) Cl) co v co co a) >. a) z o (CCe a) Q' a) a) o O O N O co .3 E C Z/ 0) c cc Zp c 0 )- )- >- Of Np Z 0 a+ a O W/ / o 47 /CO CoCO O E N3 E ZrW 83 Z NN NN NN W E D O d OO 0 I N dH a °' LW O N 0 a) - € E E Z Yg a+ mco z 2 w € co O a) � Q z c opfm O O u c r W LL N Q O Z coJo U 0 o re 112 o o) E 5 H - 0 d 0OE oo EE ap Q S. — o)aa p n rn oTv LL �0 W I- 3 -IoICe -I LU Zv a c 0 72771 O In O coM N• Z N o) 0 N Q O N Ill AO.- ` Z a a `p_ J 1 Z 1- H 7 ii cn 6to IX a Z O0 63 U CL FL' w o cc J a Lu " W J U m O Z L Q Y L ca J o ro cn CL O N a E Uti 0 J m Q N_ H d N Z rpN W a ^ CO '= O m A D ta0 Q a .- Q c a Z E Q d U E m z m � 0 :tcm o N 1j m F p N 3 N d d (DV C Ea L E m 0 O a 2 U Wed WE BAICER P ` INT DI[STRI[ LUT[®.101 LIST 0 6 2013 HUGHES AOGCC COMPANY IW Exploration(Alaska)hate. INTERMEDIATE FINAL Yes (mandatory) WELL NAME '1712,J L,1 RUN NUMBER Z l2- I z2— (mandatory) 2-1-71 .2-- FIELD -2 .2FIELD Prudhoe Bay BH SALESMAN Okechukwu(Okey)Attyaowu (mandatory) (mandatory) COUNTY North Slope Borough BH DISTRICT Alaska (mandatory) (mandatory) STATE Alaska PAGE OF (mandatory) LOG DATE: TODAYS DATE: 5/31/2013 (mandatory) DISTRIBUTION LIST AUTHORIZED BY: BP Exploration(Alaska)Enc. (mandatory) HAS CLIENT BEEN INVOICED FOR ADDITIONAL PRINTS? COMPANY ; Fly X1,41_ co (digital! ADDRESS(FEDEXWILL NOT DELIVER TO P.O.BOX) LOGS LOGS image) ALM PERSONATTENTION #OF PRINTS #Ob NHIN 16 #OF COPIES #OF COPIES 4 4 4 , 4 4 1 BP Exploration(Alaska)Inc. 1 3 1 Petrotechnical Data Center LR2-1 E.Benson Blvd. Anchorage,Alaska 99508 2 }ConocePhillips Alaska Inc. 1 1 1 1 jAttn Ricky Elgarico )P0 Box 100360 i Anchorage,Alaska 99510 3 ExxonMlobil,Alaska 1 _ 1 I ,I 1 ttn Lynda hL Yaskell and/or Leonardo Elias 700 Centerpointe Dr. •i uite 600 horage,Alaska 99503 ;I 4 State of Alaska-AOGCC 1 1 .1 1 [Christine Shartzer 333 West 7th Ave,Suite 100 "` ii [Anchorage,Alaska 99501 5iNR-Division of Oil&Gas 1 tiAttn:Sean Clifton 4550 W.7th Ave,Suite 800 I Anchorage,Alaska 99501 ri TOTALS FOR THIS PAGE: 0 5 5 0 0 0 TOTALS FOR ALL PAGES: 0 5 5 0 0 0 2-k\2=2- 2-24 22-24 0`6. Letter of Transmittal _ --- BAKER Date: HUGHES , December 20, 2012 � Y To: From: State of Alaska AOGCC Baker Hughes INTEQ 333 W. 7th Ave., Suite 100 795 East 94th Avenue Anchorage, Alaska 99501 Anchorage, Alaska 99515 Bill Michaelson Please find enclosed the directional survey data for the following well(s): 18-27EPB1, 18-27EPB2, 18-27E 06-16A D-29A E-20B D-19C P-19L1PB1, P-19L1 74---P-12BL1 W-02B Z-07B Enclosed for each well(s): 2 hardcopy prints of directional survey reports 1 compact disk containing electronic survey files Please sign and return one copy of this transmittal form to: BP Exploration (Alaska) Inc. Petrotechnical Data Center, LR2-1 - — 900 E. Benson Blvd. Anchorage, Alaska 99508 - to acknowledge receipt of this data. RECEIVED BY: fil11764State of Alaska AOGCC DATE: .9-41t5 1 RECEIVED STATE OF ALASKA DEC 0 3 201/'. ALASKA OIL AND GAS CONSERVATION COMMISSION nn��++pp��� WELL COMPLETION OR RECOMPLETION REPORT"QQQG& la. Well Status: ,®Oil 0 Gas 0 SPLUG 0 Other 0 Abandoned 0 Suspended 1 b. Well Class 20AAC 25 105 20AAC 25 110 0 Exploratory 0 Stratigraphic 0 GINJ 0 WINJ 0 WAG 0 WDSPL 0 Other No.of Completions One • ®Development 0 Service 2. Operator Name: 5.Date Comp.,Susp.,or Aband.: 12. Permit to Drill Number. BP Exploration(Alaska) Inc. 11/13/2012 • 212-122 • 3. Address: 6. Date Spudded: 13. API Number: P.O. Box 196612,Anchorage,Alaska 99519-6612 10/30/2012 50-029-22136-60-00 • 4a. Location of Well(Governmental Section): 7.Date T.D Reached: 14 Well Name and Number: Surface: . 11/8/2012 PBU P-12BL1 ' 2525'FSL,2190'FWL, Sec. 31,T11 N, R13E, UM 8. KB(ft above MSL). 86 59 - 15.Field/Pool(s) Top of Productive Horizon. 2442'FSL, 3468'FWL, Sec.31,T11 N, R13E, UM GL(ft above MSL): 54.2' . Prudhoe Bay/Prudhoe Bay • Total Depth: 9 Plug Back Depth(MD+TVD) 2174'FSL, 760'FWL, Sec.32,T11 N, R13E, UM • 11600' 9016' • 4b. Location of Well(State Base Plane Coordinates,NAD: 10.Total Depth(MD+TVD) 16. Property Designation. Surface: x- 631473 k y- 5947256 • Zone- ASP4 - 11618' 9018', ADL 028288 • TPI' x- 632753 y- 5947195 Zone- ASP4 11.SSSV Depth(MD+TVD) 17. Land Use Permit: Total Depth:x- 635055 y- 5946968 Zone- ASP4 None 18. Directional Surve Y: 19.Water depth,if offshore' 20 Thickness of Permafrost(TVD)' ®Yes ❑No (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: MWD/GR/RES, GR/CCL/MCNL - 9109' 8901' . 23. CASING,LINER AND CEMENTING RECORD SETTING DEPTH MD SETTING DEPTH ND HOLE AMOUNT CASING WT PER FT. GRADE TOP BOTTOM TOP BOTTOM SIZE CEMENTING RECORD PULLED 20" 91.5# H-40 Surface 110' Surface 110' 30" 260 sx Arctic Set(Approx.) 10-3/4" 45.5# NT-80 Surface 2696' Surface 2696' 13-1/2" 3392 cu ft Permafrost 7-5/8" 29.7# L-80 Surface 7012' Surface 6891' 9-7/8" 1474 cu ft Class'G' 5-1/2" 17# L-80 6864' 9109' 6756' 8901' 6-3/4" 155 sx Class'G' 3-1/2"x 3-1/4" 9.3#/6.6# L-80/ 6853' 11618' 6746' , 9018' 4-1/8" Uncemented Slotted Liner x 2-7/8" 1 /6.5# L-80/13Cr80 24. Open to production or injection? ®Yes 0 No 25. TUBING RECORD If Yes,list each interval o en (MD+TVD of Top&Bottom;Perforation Size and Number): SIZE DEPTH SET(MD) PACKER SET(MD/ND) 2-7/8"Slotted Liner 4-1/2", 12.6#, L-80 6864' 6816'/6713' 26. ACID,FRACTURE,CEMENT SQUEEZE,ETC. 9861'-10311' 9001'-8979' • L,, WAS HYDRAULIC FRACTURING USED DURING COMPLETION'❑Yes ®No 10413'-10983' 8975'-8972' " 11087'-11600' 8974'-9016' ) '• , + DEPTH INTERVAL(MD) AMOUNT AND KIND OF MATERIAL USED 2500' Freeze Protect w/40 Bbls of Diesel 27 PRODUCTION TEST Date First Production Method of Operation(Flowing,Gas Lift,etc November 24,2012 Gas Lift Date of Test Hours Tested Production For OIL-BBL: GAS-MCF. WATER-BBL' CHOKE SIZE: GAS-OIL RATIO: 11/26/2012 12 Test Period 4 1047 1380 589 91 1318 Flow Tubing Casing Press: Calculated OIL-BBL: GAS-MCF' WATER-BBL: OIL GRAVITY-API(CORR): Press. 420 1020 24-Hour Rate 4 2093 2760 1177 N/A 28. CORE DATA Conventional Core(s)Acquired? 0 Yes 0 No , Sidewall Core(s)Acquired? 0 Yes 0 No . If Yes to either question,list formations and intervals cored(MD+TVD of top and bottom of each),and summarize lithology and presence of oil,gas or water (submit separate sheets with this form,if needed). Submit detailed descriptions,core chips,photographs and laboratory analytical results per 20 AAC 250.071. None MS DEC 01 2011 Form 10-407 Revised 10/2012 TINUED ON REVERSEc� �y /�� Submit Original Only �" `. l3 /S f� 29. GEOLOGIC MARKERS(List all formations ar rkers encounter 30. FORMATION TESTS NAME rvuD ND Well Tested' J 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. Eileen 9220' 8976' None Ivishak/Zone 4 9233' 8983' Ivishak/Zone 4 10341' 8977' Ivishak/Zone 4 10397' 8975' Formation at Total Depth: Ivishak/Zone 4 10397' 8975' 31.List of Attachment Summary of Daily Drilling Reports,Well Schematic Diagram, Surveys 32.I hereby certify that the foregoing is true and correct to the best of my knowledge. Contact: David Johnston,564-5985,David Johnston@bp com Email: Joseph.Lastufka@bp.com Printed Name: Title: Drilling Technologist J La a Signature: Phone 564-4091 Date: (l`.261`/ I Z INSTRUCTIONS General: This form is designed for submitting a complete and correct well completion report and log on all types of lands and leases in Alaska. Submit a well schematic diagram with each 10-407 well completion report and 10-404 well sundry report when the downhole well design is changed. Item la: Classification of Service Wells: Gas Injection,Water Injection,Water-Alternating-Gas Injection,Salt Water Disposal,Water Supply for Injection, Observation,or Other. Multiple completion is defined as a well producing from more than one pool with production from each pool completely segregated. Each segregated pool is a completion. Item 4b: TPI(Top of Producing Interval) Item 8: The Kelly Bushing and Ground Level elevation in feet above mean sea level. Use same as reference for depth measurements given in other spaces on this form and in any attachments. Item 13: The API number reported to AOGCC must be 14 digits(ex: 50-029-20123-00-00). Item 20: Report true vertical thickness of permafrost in Box 20. Provide MD and 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 10/2012 Submit Original Only TREE= 4"CNV WELLHEAD= FMC P-1 2 B SAE DTES: WELL ANGLE >70°@ 9258'.--"NO ACTUATOR= OTIS L1 CEMENT AROUDPREDRILLEDLNR MAL KB.EL 92.09' BF.E.EV= 55.49' PJC DRAFT I Li KOP= 5436' / 2198' 4-1/2"FES HXO SSSVN,ID=3.813" Max Angle= 96°© 11491' I I Datum MD= 9090' GAS LFT MANDRELS Datum1V[) 8800'SS ST MD TVD DEV TYPE VLV DATE 4 3006 3006 0 M6RLA DONE BKLATCH 16SIZE 11/21/12 20"CONDUCTOR 110, 3 4974 4974 1 MALA SO BK 20 11/21/12 2 6286 6232 25 M9ZLA DMY BK 0 09/03/00 10-3/4"CSG,45.5#, NT 80 MRS,D=9.95" - 2696' 1 6727 6632 25 MERLA DMY BK 22 10/12/12 I ' 6805' -14-1/4FES XNP,ID=3.813" Minimum ID = 1.995" @ 10015' TOP OF 2-318" LINER 6816' 7-5/8"X 4-1/2"BKRSABL 3 PKR w/KBH-22 ANCHOR D=3.875" 6841' 4-1/2"FES X1'43,D=3.813" I 4-1/2"TBG-TDS,12.6#, L-80 NSCT, 6864' 6852' -4-1/2"FES XN NP,D=3.725- .0152 bpf,D=3.958" WILLED TO 3.80"(10/13/12) IH 6872' - 3.70"DEPLOY SLV,ID=2.955" 7-5/8"X 5-1/2"BKR TRK SLV,D=5.75" H 6864' 11 11 ` 6864' 4-1/2"WLEG,D=3.958" 7-5/8"X 5-1/2"BKR LNR TOP FKR H 6872' 8 HMC HGR D=4.375" 6872' BAD TT LOGGED 11/18/95 7-5/8"CSG,29.7#, NT-951-1S NSCC, -1 -7012' MLLOUTIM'DOW(P-12B) 7012'-7061' D=6.875" 9050' -I3-1/2"X 3-3/16'XO,ID=2.786" • 3-1/2"LM,9.34,L-80 STL, H 9050' - ' ' I MLLOUT WINDOW(P-12BL1) 9109'-9120' / .0087 bpf,KID=2.992" 9787' H3-3/16"X 2-7/8"XO,D=2.377- 10311' -12-7/8"'MARKER.11- ____..--- T_� -.r\ P-12 B 10983' H2-718-MARKER JT 5-1/2"WI 3PSTOCK(10/24112) -- 9100' I Ilk 1"- t--1 _, - _ 3-1/4"LIkR,6.64# - „ I 9787' 5-1/2"LIZ, 17#, L-80 NSCC, H. 9375' ' ' L-80 TC11 FBTD 11600' s .0232 bpf,ID=4.892" 1 I .0079 bpf,D=3.80" I I k 2-7/8"LNR,6.44,L-80 SR, 11618' PERFORATION SUMMARY I I I I .0058 bpf,ID=2.441" REF LOG: MWD ON 09/28/00 I ANGLE AT TOP PERE: WA 9289' -15-1/2"X 3-1/2"TMV SS HRZ PKR/I-NGR©=3.00" Note:Refer to Production DB for historical perf data 1 SIZE SIT INTERVAL Opn/Sqz SHOT SOZ ` 9683' -3-1/2"X4.30"ECPPKR,D=2.992" SEE PAGE2 FOR PERFORATION DATAI 1 10011' 2.70"BKR DEPLOY SLV,D=2.250" I I fl I 10032' 3-1/2"X 4.30"ECP FKR ID=2.992"(B94ND CT LNR) • ':' I I L:I I 11780' -I PBTD(0-RING SUB) 1 P-126 --; B 3-112"LNR,9.3#,L-80 EUE 8RD, 10303' 2-318"LNR,4.6#,L-80 FL4S,.0039 bpf,ID=1.995" 11815' .0087 bpf,ID=2.992' DATE REV BY COMMENTS DATE REV BY COMMENTS FRUCHOE BAY MIT 04/24/91 AIM 2 ORIGINAL COMPLETION 11/15/12 PJC DRLG CORRECTIONS WELL: P 12B L1 04/11/95 N-28E SIDETRACK(P-12A) 11/26/12 RKTIJMD GLV C/O(11/21/12) PERA T No: 2001330/2121220 09/30100 CR11 CTD SIDETRACK(P-12B) AR No: 50-029-22136-02(60) 11/XX/12 NORDIC 1 CTD M LLTI-LAT(P-128L1) SEC 31,TfN,R13E,2525 FSL&2190'PM.. (11/06/12 PJC FLOW THRU WS CORRECTION 11/07(12 PJC RIG PREP(DRAWING UFDA IE) BP Exploration(Alaska) P-12B L7 I cr= 1 1 z PERFORATION SUMMARY REF LOG: M1/+D ON 09/28/00 ANGLE ATTOP FERE: PVA Note:Refer to Production DB for historical perf data SEE SPF INTERVAL Opn/Sgz SHOT SOZ P-12A 2-7/8" 6 9242'-9268' 0 02/28/98 3-3/8" 4 9268'-9280' 0 11/19/95 2-1/2" 6 9280'-9304' 0 02/28/98 2-1/2" 4 9316'-9336' 0 11/19/95 2-1/2" 6 9336'-9350' 0 02/28/98 3-1/2" SLTD 9360-9674 SLOT 04/09/95 3-1/2" SLID 9711- 10023 SLOT 04/09/95 3-1/2" SLID 10069- 10281 SLOT 04/09/95 P-12B 2-318" 2 10111-11780' SLOT 09/30/00 P-12B L1 2-718" SLID 9861- 10311 SLOT 11/11/12 2-7/8" SLID 10413- 10983 SLOT 11/12/12 2-718" SLID 11087- 11600 SLOT 11/13/12 4 I 1 • 1 I I I 1 I 1 I I 1 I I I 1 1 I I i -1=1 P-12B DATE REV BY COMENTS DATE REV BY COMWU1TS PRt.AHOEBAY INT 04/24/91 ALAI 2 ORIGINAL COMPLETION 11/15/12 PJC DRLG CORRECTIONS WELL P-12B L1 04/11!95 N-28E SIDETRACK(P-12A) 11/26/12 RKT/JM] GLV C/O(11/21/12) PERMT No: 2001330/2121220 09/30/00 CRD1 CTD SIDETRACK(P-12B) API No: 50--029-22136-02(60) 11/XX112 NORDIC 1 CTD MLLT1-LAT(P-12BL1) SEC 31,TPA R13E,2525'FSL&2190'FWL 11/06/12 PJC FLOW THRU WS CORRECTION 11/07/12 PJC RIG PREP(DRAWING BMA 1E) BP Exploration(Alaska) 101.■ BAKER HUGHES INTEQ North America - ALASKA - BP Prudhoe Bay PB P Pad P-12 P-12BL1 Survey: MWD Survey Report - Geographic 20 November, 2012 ran BAKER HUGHES Survey Report-Geographic 0 by INTEQ Company: North America-ALASKA-BP Local Co-ordinate Reference: Well P-12 Project: Prudhoe Bay TVD Reference: P-12A @ 86.59ft(Nabors 28E) Site: PB P Pad MD Reference: P-12A @ 86.59ft(Nabors 28E) Well: P-12 North Reference: True Wellbore: P-12BL1 Survey Calculation Method: Minimum Curvature Design: P-12BL1 Database: EDM.16-ANC Prod-WH24P Project Prudhoe Bay,GPB,PRUDHOE BAY Map System: US State Plane 1927(Exact solution) System Datum: Mean Sea Level Geo Datum: NAD 1927(NADCON CONUS) Using Well Reference Point Map Zone: Alaska Zone 04 Using geodetic scale factor Site PB P Pad,TR-11-13 Site Position: Northing: 5,949,377.17ft Latitude: 70°16'12.612 N From: Map Easting: 623,154.06ft Longitude: 149°0'14.40 W Position Uncertainty: 0.00 ft Slot Radius: 0.000in Grid Convergence: 0.94° Well P-12 API No 500292213600 Well Position +N/-S 0.00 ft Northing: 5,947,256.21 ft Latitude: 70°15'50.370 N +EI-W 0.00 ft Easting: 631,473.47 ft Longitude: 148°56'13.31 W Position Uncertainty 0.00 ft Wellhead Elevation: 55.49ft Ground Level: 54.16ft Wellbore P-12BL1 API No 500292213660 Magnetics Model Name Sample Date Declination Dip Angle Field Strength (0) (0) (nT) BGGM2012 11/1/2012 20.61 80.97 57,622 Design P-12BL1 Audit Notes: Version: Phase: ACTUAL Tie On Depth: 9,082.69 Vertical Section: Depth From(TVD) +N/-S +E/-W Direction (ft) (ft) (ft) (°) 32.43 0.00 0.00 132.33 Survey Program Date: 11/9/2012 From To (ft) (ft) Survey(Wellbore) Tool Name Description 34.53 7,001.21 1 :Schlumberger GCT multishot(P-12) GCT-MS Schlumberger GCT multishot 7,017.00 8,741.46 2:MWD-Standard(P-12APB1) MWD MWD-Standard 8,834.00 9,082.69 2:MWD-Standard(P-12APB2) MWD MWD-Standard 9,109.00 11,618.00 MWD(P-12BL1) MWD MWD-Standard 11/20/2012 10:34:28AM Page 2 COMPASS 2003.16 Build 73 BAKER HUGHES Survey Report-Geographic 0 bp INTEQ Company: North America-ALASKA-BP Local Co-ordinate Reference: Well P-12 Project: Prudhoe Bay TVD Reference: P-12A @ 86.59ft(Nabors 28E) Site: PB P Pad MD Reference: P-12A @ 86.59ft(Nabors 28E) Well: P-12 North Reference: True Wellbore: P-12BL1 Survey Calculation Method: Minimum Curvature Design: P-12BL1 Database: EDM.16-ANC Prod-WH24P Survey ' Measured Vertical Map Map Depth Inclination Azimuth Depth +N/-S +E/-W Northing Easting (ft) (°) (°) (ft) (ft) (ft) (ft) (ft) Latitude Longitude 9,082.69 35.80 105.20 8,879.96 -74.78 1,164.77 5,947,201.78 632,639.27 70°15'49.634 N 148°55'39.42 W TIP 9,109.00 40.52 100.02 8,900.65 -78.29 1,180.62 5,947,198.55 632,655.18 70°15'49.599 N 148°55'38.96 W KOP 9,139.88 40.21 105.92 8,924.19 -82.77 1,200.09 5,947,194.41 632,674.73 70°15 49.555 N 148°55'38.39 W 9,169.92 47.18 110.89 8,945.90 -89.37 1,219.74 5,947,188.16 632,694.49 70°15'49.490 N 148°55'37.82 W 9,190.01 51.56 113.86 8,958.98 -95.18 1,233.83 5,947,182.59 632,708.67 70°15'49.433 N 148°55'37.41 W 9,220.59 57.73 117.55 8,976.67 -106.02 1,256.27 5,947,172.15 632,731.30 70°15'49.327 N 148°55'36.75 W 9,250.31 60.55 126.20 8,991.94 -119.49 1,277.89 5,947,159.06 632,753.15 70°15'49.194 N 148°55'36.12 W 9,280.29 65.54 133.25 9,005.53 -136.58 1,298.39 5,947,142.33 632,773.95 70°15'49.026 N 148°55'35.53 W 9,310.15 67.63 142.23 9,017.42 -156.84 1,316.78 5,947,122.40 632,792.68 70°15'48.827 N 148°55'34.99 W 9,340.17 72.19 149.40 9,027.74 -180.15 1,332.58 5,947,099.37 632,808.89 70°15'48.597 N 148°55'34.53 W 9,370.19 74.15 157.96 9,036.45 -205.89 1,345.30 5,947,073.86 632,822.05 70°15'48.344 N 148°55'34.16 W 9,400.21 76.81 165.36 9,043.98 -233.45 1,354.43 5,947,046.46 632,831.66 70°15'48.073 N 148°55'33.90 W 9,429.97 82.30 169.68 9,049.38 -262.01 1,360.74 5,947,018.02 632,838.46 70°15'47.792 N 148°55'33.71 W 9,462.81 90.77 172.98 9,051.36 -294.38 1,365.67 5,946,985.74 632,843.96 70°15'47.474 N 148°55'33.57 W 9,490.11 91.14 175.82 9,050.91 -321.54 1,368.33 5,946,958.63 632,847.10 70°15'47.207 N 148°55'33.49 W 9,520.00 90.09 178.24 9,050.59 -351.39 1,369.88 5,946,928.82 632,849.17 70°15'46.913 N 148°55'33.45 W 9,550.18 92.70 179.58 9,049.85 -381.55 1,370.45 5,946,898.68 632,850.27 70°15'46.616 N 148°55'33.43 W 9,579.92 94.46 181.47 9,047.99 -411.23 1,370.18 5,946,869.00 632,850.51 70°15'46.325 N 148°55'33.44 W 9,610.47 94.86 183.42 9,045.51 -441.65 1,368.88 5,946,838.56 632,849.75 70°15'46.025 N 148°55'33.48 W 9,640.44 98.63 184.90 9,041.99 -471.33 1,366.73 5,946,808.86 632,848.11 70°15'45.734 N 148°55'33.54 W 9,670.17 100.77 188.07 9,036.98 -500.44 1,363.42 5,946,779.69 632,845.31 70°15'45.447 N 148°55'33.64 W 9,700.13 101.50 192.57 9,031.19 -529.35 1,358.16 5,946,750.69 632,840.55 70°15'45.163 N 148°55'33.79 W 9,730.34 100.99 196.75 9,025.30 -558.01 1,350.66 5,946,721.91 632,833.56 70°15'44.881 N 148°55'34.01 W 9,760.31 101.09 200.98 9,019.56 -585.84 1,341.15 5,946,693.92 632,824.54 70°15'44.607 N 148°55'34.29 W 9,790.60 100.52 204.19 9,013.88 -613.31 1,329.73 5,946,666.26 632,813.59 70°15'44.337 N 148°55'34.62 W 9,820.62 100.40 202.55 9,008.43 -640.41 1,318.02 5,946,638.97 632,802.36 70°15'44.071 N 148°55'34.96 W 9,850.14 100.90 195.77 9,002.97 -667.79 1,308.50 5,946,611.42 632,793.32 70°15'43.801 N 148°55'35.24 W 9,880.14 101.06 191.76 8,997.25 -696.39 1,301.49 5,946,582.71 632,786.82 70°15'43.520 N 148°55'35.44 W 9,910.21 99.03 189.45 8,992.01 -725.49 1,296.05 5,946,553.52 632,781.88 70°15'43.234 N 148°55'35.60 W 9,940.20 95.53 188.44 8,988.21 -754.87 1,291.42 5,946,524.06 632,777.77 70°15'42.945 N 148°55'35.73 W 9,970.30 92.70 186.99 8,986.05 -784.62 1,287.39 5,946,494.25 632,774.26 70°15'42.652 N 148°55'35.85 W 10,000.57 89.51 184.23 8,985.46 -814.73 1,284.44 5,946,464.10 632,771.83 70°15'42.356 N 148°55'35.94 W 10,030.51 88.59 179.70 8,985.96 -844.64 1,283.41 5,946,434.17 632,771.33 70°15'42.062 N 148°55'35.97 W 10,060.54 85.27 174.74 8,987.57 -874.58 1,284.86 5,946,404.27 632,773.30 70°15 41.768 N 148°55'35.93 W 10,090.34 89.26 173.14 8,988.99 -904.17 1,288.00 5,946,374.74 632,776.96 70°15'41.477 N 148°55'35.83 W 10,120.61 92.05 169.36 8,988.64 -934.08 1,292.61 5,946,344.92 632,782.08 70°15'41.182 N 148°55'35.70 W 10,150.70 93.44 165.77 8,987.20 -963.43 1,299.08 5,946,315.69 632,789.07 70°15'40.894 N 148°55'35.51 W 10,182.10 93.13 161.75 8,985.40 -993.52 1,307.84 5,946,285.76 632,798.35 70°15'40.598 N 148°55'35.26 W 10,209.89 93.65 157.93 8,983.76 -1,019.55 1,317.40 5,946,259.90 632,808.37 70°15'40.342 N 148°55'34.98 W 10,230.72 93.50 155.19 8,982.46 -1,038.63 1,325.67 5,946,240.97 632,816.97 70°15'40.154 N 148°55'34.74 W 10,250.82 91.17 152.73 8,981.64 -1,056.67 1,334.48 5,946,223.09 632,826.09 70°15'39.977 N 148°55'34.48 W 10,280.74 92.24 153.80 8,980.75 -1,083.38 1,347.94 5,946,196.62 632,840.01 70°15'39.714 N 148°55'34.09 W 10,304.30 94.17 156.74 8,979.43 -1,104.74 1,357.78 5,946,175.44 632,850.22 70°15'39.504 N 148°55'33.81 W 10,330.94 94.39 159.61 8,977.44 -1,129.40 1,367.65 5,946,150.96 632,860.53 70°15'39.261 N 148°55'33.52 W 10,360.23 93.16 161.75 8,975.51 -1,156.98 1,377.32 5,946,123.55 632,870.67 70°15'38.990 N 148°55'33.24 W 10,390.28 89.79 166.37 8,974.74 -1,185.85 1,385.57 5,946,094.83 632,879.42 70°15'38.706 N 148°55'33.00 W 10,420.30 88.44 169.48 8,975.20 -1,215.20 1,391.85 5,946,065.60 632,886.21 70°15'38.418 N 148°55'32.81 W 10,450.16 87.08 171.12 8,976.37 -1,244.61 1,396.87 5,946,036.28 632,891.75 70°15'38.128 N 148°55'32.67 W 10,480.06 85.12 176.21 8,978.41 -1,274.24 1,400.16 5,946,006.71 632,895.56 70°15'37.837 N 148°55'32.57 W 10,510.11 86.53 179.20 8,980.60 -1,304.19 1,401.36 5,945,976.80 632,897.28 70°15'37.542 N 148°55'32.54 W 10,540.14 84.95 182.10 8,982.83 -1,334.13 1,401.03 5,945,946.86 632,897.46 70°15'37.248 N 148°55'32.55 W 10,570.22 86.41 183.82 8,985.09 -1,364.08 1,399.48 5,945,916.89 632,896.44 70°15'36.953 N 148°55'32.59 W 10,600.46 83.81 180.80 8,987.67 -1,394.18 1,398.26 5,945,886.77 632,895.75 70°15'36.657 N 148°55'32.63 W 11/20/2012 10:34:28AM Page 3 COMPASS 2003.16 Build 73 IrS%t BAKER HUGHES Survey Report-Geographic 0 by INTEQ Company: North America-ALASKA-BP Local Co-ordinate Reference: Well P-12 Project: Prudhoe Bay TVD Reference: P-12A @ 86.59ft(Nabors 28E) Site: PB P Pad MD Reference: P-12A @ 86.59ft(Nabors 28E) Well: P-12 North Reference: True Wellbore: P-12BL1 Survey Calculation Method: Minimum Curvature Design: P-12BL1 Database: EDM.16-ANC Prod-WH24P Survey Measured Vertical Map Map Depth Inclination Azimuth Depth +N/-S +E/-W Northing Easting (ft) (°) (°) (ft) (ft) (ft) (ft) (ft) Latitude Longitude 10,630.21 84.75 177.91 8,990.64 -1,423.77 1,398.59 5,945,857.19 632,896.60 70° 15'36.366 N 148°55'32.62 W 10,650.43 86.84 176.10 8,992.12 -1,443.91 1,399.65 5,945,837.07 632,898.00 70° 15'36.168 N 148°55'32.59 W 10,680.77 88.99 173.51 8,993.22 -1,474.10 1,402.39 5,945,806.94 632,901.28 70° 15'35.871 N 148°55'32.51 W 10,710.25 92.67 169.70 8,992.80 -1,503.25 1,406.69 5,945,777.87 632,906.09 70° 15'35.584 N 148°55'32.38 W 10,740.44 92.30 165.55 8,991.49 -1,532.71 1,413.16 5,945,748.54 632,913.06 70° 15'35.295 N 148°55'32.20 W 10,770.51 94.61 162.39 8,989.67 -1,561.55 1,421.44 5,945,719.84 632,921.85 70°15'35.011 N 148°55'31.96 W 10,800.84 94.67 158.42 8,987.22 -1,590.02 1,431.58 5,945,691.55 632,932.48 70°15'34.731 N 148°55'31.66 W 10,833.10 96.18 154.17 8,984.17 -1,619.42 1,444.49 5,945,662.39 632,945.90 70°15'34.442 N 148°55'31.29 W 10,859.75 93.96 150.93 8,981.81 -1,642.97 1,456.72 5,945,639.05 632,958.54 70°15'34.210 N 148°55'30.93 W 10,890.64 94.45 146.64 8,979.55 -1,669.31 1,472.68 5,945,613.00 632,974.96 70°15'33.951 N 148°55'30.46 W 10,920.39 96.05 141.99 8,976.82 -1,693.37 1,489.96 5,945,589.25 632,992.65 70°15'33.715 N 148°55'29.96 W 10,950.42 94.45 139.90 8,974.07 -1,716.59 1,508.80 5,945,566.36 633,011.89 70°15'33.486 N 148°55'29.41 W 10,982.48 93.16 137.92 8,971.95 -1,740.70 1,529.82 5,945,542.63 633,033.33 70°15'33.249 N 148°55'28.80 W 11,010.00 90.77 136.06 8,971.00 -1,760.81 1,548.58 5,945,522.85 633,052.44 70°15'33.051 N 148°55'28.26 W 11,040.45 88.25 133.31 8,971.26 -1,782.21 1,570.23 5,945,501.83 633,074.45 70°15'32.841 N 148°55'27.63 W 11,070.98 86.23 130.90 8,972.73 -1,802.66 1,592.85 5,945,481.78 633,097.42 70°15'32.639 N 148°55'26.97 W 11,100.76 83.86 127.81 8,975.31 -1,821.47 1,615.78 5,945,463.38 633,120.68 70°15'32.454 N 148°55'26.30 W 11,130.17 84.66 125.42 8,978.25 -1,838.92 1,639.27 5,945,446.34 633,144.47 70°15'32.283 N 148°55'25.62 W 11,160.40 82.75 122.14 8,981.56 -1,855.63 1,664.24 5,945,430.07 633,169.72 70°15'32.118 N 148°55'24.89 W 11,190.22 83.92 118.30 8,985.03 -1,870.53 1,689.83 5,945,415.62 633,195.56 70°15'31.972 N 148°55'24.15 W 11,220.26 85.73 116.59 8,987.74 -1,884.32 1,716.38 5,945,402.30 633,222.35 70°15'31.836 N 148°55'23.38 W 11,250.09 86.16 114.16 8,989.85 -1,897.07 1,743.26 5,945,390.02 633,249.45 70°15'31.711 N 148°55'22.59 W 11,280.42 85.73 110.53 8,991.99 -1,908.57 1,771.24 5,945,379.01 633,277.62 70°15'31.597 N 148°55'21.78 W 11,310.28 86.26 107.26 8,994.08 -1,918.21 1,799.41 5,945,369.86 633,305.96 70°15'31.503 N 148°55'20.96 W 11,345.90 85.12 102.36 8,996.76 -1,927.29 1,833.74 5,945,361.39 633,340.44 70°15'31.413 N 148°55'19.96 W 11,370.35 85.05 99.69 8,998.85 -1,931.95 1,857.65 5,945,357.15 633,364.42 70°15'31.367 N 148°55'19.27 W 11,400.50 85.40 95.81 9,001.36 -1,936.00 1,887.41 5,945,353.62 633,394.25 70°15'31.327 N 148°55'18.40 W 11,430.13 85.46 92.43 9,003.72 -1,938.12 1,916.87 5,945,352.01 633,423.73 70°15'31.306 N 148°55'17.54 W 11,461.12 84.68 88.83 9,006.39 -1,938.46 1,947.74 5,945,352.21 633,454.60 70°15'31.303 N 148°55'16.64 W 11,490.16 85.73 85.28 9,008.81 -1,936.97 1,976.63 5,945,354.20 633,483.46 70°15'31.318 N 148°55'15.80 W 11,519.92 86.23 82.72 9,010.90 -1,933.87 2,006.15 5,945,357.82 633,512.92 70°15'31.348 N 148°55'14.95 W 11,550.48 86.38 78.99 9,012.87 -1,929.02 2,036.26 5,945,363.19 633,542.94 70°15'31.396 N 148°55'14.07 W 11,571.38 86.01 77.42 9,014.26 -1,924.76 2,056.67 5,945,367.81 633,563.27 70°15'31.437 N 148°55'13.48 W 11,618.00 86.01 77.42 9,017.50 -1,914.63 2,102.06 5,945,378.73 633,608.47 70°15'31.537 N 148°55'12.15 W TD-PRODUCTION LINER 1 11/20/2012 10:34:28AM Page 4 COMPASS 2003.16 Build 73 North America-ALASKA- BP Page 1 of 24 Operation Summary Report Common Well Name:P-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 End Date: 11/10/2012 X3-01235-C:DRILL(3,099,327.00) Project:Prudhoe Bay Site: PB P Pad Rig Name/No.:NORDIC 2 Spud Date/Time:4/24/1991 12:00:00AM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum:P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) _ 10/28/2012 00:00 - 01:30 1.50 MOB P PRE BEGIN RON EVENT WITH NORDIC 2 CTD RIG AT 00:00 ON 10/28/12. • HOLD PJSM WITH CREWS. VERIFY PRE MOVE CHECK LISTS ARE COMPLETE. BACK RIG OFF WELL P-19L1. SPOT RIG ON P -PAD COMPETE POST WELL WELL WORK TRANSFER PERMIT WITH PAD OPERATOR. 01:30 - 02:30 1.00 MOB P PRE INSTALL TREE AND WELLHEAD GUARDS. MOVE RIG OVER P-12B, LEVEL RIG. 02:30 - 04:30 2.00 BOPSUR P PRE ACCEPT NORDIC 2 CTD RIG. PERFORM LEAK TIGHT TEST OF TREE TO 3000 PSI ON WING.NO VISABLE LEAK. 04:30 - 05:00 0.50 BOPSUR P PRE PJSM FOR ND TREE CAP/NU BOPE. 05:00 - 05:15 0.25 BOPSUR P PRE ND TREE CAP 05:15 - 09:00 3.75 BOPSUR P PRE NU BOPE. INSTALL LUBRICATOR AND CENTER BOP TO RIG FLOOR. CLEAR PIPE SHED OF DISCHARGED 2"SLB GUNS. 09:00 - 10:00 1.00- BOPSUR P PRE FILL BOP WITH WATER. PERFORM SHELL TEST PRIOR TO FULL BOP TEST. 10:00 - 16:30 6.50 BOPSUR N RREP PRE KILL LINE HCR VALVE LEAKING HYDRAULIC FLUID FROM OUTER SEAL WHEN IN THE OPEN POSITION. CHANGE HCR VALVE(NORDIC CODE 8) 16:30 - 17:15 0.75 BOPSUR P PRE FILL BOP WITH WATER.PERFORM SHELL TEST. TEST BOP 250 PSI LOW 3500 PSI HIGH 17:15 - 00:00 6.75 BOPSUR P PRE CONTINUE TESTING BOPS. , TEST CHOKE VALVES,CHOKE AND KILL HCR, INSIDE MANUAL VALVES ON CHOKE AND KILL LINE,BOP RAMS AND ANNULAR Or%PREVENTER. TEST 2 TIW VALVES. TEST ANNULAR AND PIPE RAMS WITH 2-3/8" TEST JOINT. TEST VBRS WITH 2-3/8"AND 3-1/2"TEST JOINTS. EACH TEST TO 250/3500 PSI. TEST IS WITNESSED BY TOOLPUSHER, NORDIC SUPT,AND WSL. AOGCC HAS WAIVED WITNESS TO THE TEST. -SEE ATTACHED CHARTS AND TEST REPORT 10/29/2012 00:00 - 01:00 1.00 BOPSUR P PRE PJSM FOR CUTTING COIL. RU FLOOR FOR CUTTING PIPE. 01:00 - 02:00 1.00 BOPSUR P PRE CUT 245'OF COIL. RD CUTTING EQUIPMENT 02:00 - 03:45 1.75 BOPSUR P PRE INSTALL COIL CONNECTOR. PULL TEST TO 35K. PRESSURE TEST CONNECTOR TO 3800 PSI. Printed 11/26/2012 11:00:11AM North America-ALASKA- BP Page 2 of 24 Operation Summary Report Common Well Name:P-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 End Date: 11/10/2012 X3-01235-C:DRILL(3,099,327.00) Project:Prudhoe Bay Site:PB P Pad Rig Name/No.:NORDIC 2 Spud Date/Time:4/24/1991 12.00:00AM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum:P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 03:45 - 04:40 0.92 BOPSUR P PRE PUMP E-LINE FORWARD TO NOZZLE,TEST WIRE,GOOD TEST. HEAD UP BHI. 04:40 - 05:20 0.67 BOPSUR P PRE STAB INJECTOR. TEST INNER REEL VALVE AND PACK-OFF TO 250/3500 PSI. 05:20 - 06:00 0.67 BOPSUR P PRE RIG EVAC DRILL WITH NIGHT CREW. AAR, NO DEFICIENCIES. 06:00 - 06:30 0.50 BOPSUR P PRE' BLOW BACK COIL WITH AIR 06:30 - 07:00 0.50 BOPSUR P PRE RIG EVAC DRILL WITH DAY CREW. AAR, NO DEFICIENCIES. 07:00 - 09:00 2.00 BOPSUR P PRE HOIST DSM LUBRICATOR TO RIG FLOOR. INSTALL LUBRICATOR ON WELL. TEST LUBRICATOR TO 250/3500 PSI 09:00 - 09:30 0.50 BOPSUR P PRE PJSM WITH RIG CREW AND DSM ON PULLING TWC. PULL TWC.NOTE 720 PSI. CLOSE SWAB,SSV AND MASTER VALVES. BLEED OFF-PRESSURE FROM LUBRICATOR TO FLOW BACK TANK. RIG DOWN LUBRICATOR. 09:30 - 10:30 1.00 BOPSUR P PRE INSTALL RISER CAP AND TEST TO 250/4000 'PSI. RIG UP LINES TO METHANOL TANK. RIG UP TO BULL HEAD FLUIDS TO KILL WELL. 10:30 - 11:45 1.25 BOPSUR P PRE PRESSURE UPON TOP OF SWAB VALVE TO 800 PSI OPEN MASTER,SSV AND SWAB VALVES. BULL HEAD TO KILL WELL. PUMP 5 BBL METHANOL,160 BBL 2%KCL,40 BBL HI VIS PILL,130 BBL POWER PRO DRILLING MUD. PUMP AT 5.5 BPM WITH 540 PSI INCREASING TO FINAL PRESSURE OF 694 PSI. 11:45 - 13:00 1.25 BOPSUR P PRE FLOW CHECK WELL. DISPLACE KCL IN COIL WITH DRILLING MUD. LOOSING MUD AT 1 BPM 13:00 - 14:00 1.00 STWHIP P WEXIT PICK UP COIL INJECTOR HEAD. INSTALL BAKER DFCV.TEST SAME TO 250/3500 PSI. 14:00 - 14:45 0.75 STWHIP P WEXIT PICK UP WINDOW MILLING BHA WITH 3.8' HIGH SPEED DIAMOND WINDOW MILL. STAB ONTO WELL WITH INJECTOR HEAD.TEST QTS 250/3500 PSI 14:45 - 15:15 0.50 STWHIP P WEXIT PUMP COIL VOLUME TO MOVE E-LINE FORWARD. 15:15 - 15:30 0.25 STWHIP P WEXIT BLOW DOWN KILL LINE. ESTABLISH CIRCULATION. 15:30 - 18:30 3.00 STWHIP P WEXIT RIH WITH MILLING BHA. STOP AT 7000'TO CONFIRM TIE IN DEPTH WITH CCL TIE IN DEPTH WITH CCL ON COMPLETION EQUIPMENT(JEWELRY LOG)BETWEEN 6800' AND 6900'. NO CORRECTION. RIH TO 9100' 18:30 - 18:45 0.25 STWHIP P WEXIT OBTAIN SPRS AT 9100': PUMP#1 ON BACKSIDE PUMP#2:0.5 BPM= 1007 PSI,1.0 BPM= 1245 PSI,2.5 BPM=2212 PSI Printed 11/26/2012 11:00:11AM North America -ALASKA- BP Sr Page 3 of 24 Operation Summa Re•ort ra:✓:.ck. :<x,Pi,^,`r.`.:rk;.::✓Ft?5»,s.+ . R 11'k,efot,s',y, _._ daz, '....,R"o.,,,. ..;,'tc"ffi:. ______ Common Well Name: P-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 End Date: 11/10/2012 X3-01235-C:DRILL(3,099,327.00) Project:Prudhoe Bay Site: PB P Pad Rig Name/No.:NORDIC 2 Spud Date/Time:4/24/1991 12:00:OOAM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: ` Active Datum: P-12A @86.59ft(above Mean Sea Level) $ Date From-To Hrs Task Code NPT li NPT Depth Phase Description of Operations (hr) (ft) 18:45 - 20:00 1.2.2 5 STWHIP P WEXIT BEGIN P-12BL1 WELLBORE AT 18:45 ON 11�✓ 10/29/2012(WX DATE) y�\ 1� TIME MILL WINDOW FROM 9109'AT 1 FPM. PUMP 2.5 BPM DOWN COIL,0.9 BPM DOWN BACKSIDE WITH 2.2 BPM RETURNS. 20:00 - 21:45 1.75 STWHIP P WEXIT MILL WINDOW WITHOUT BACKSIDE PUMP. PUMP 2.5 BPM IN/1.9 BPM OUT WITH 8.5 PPG POWER PRO. 2.6K#DHWOB,9.57 PPG ECD. 21:45 - 22:15 0.50 STWHIP N SFAL 9,111.00 WEXIT LEAK ON PUMP 2 PISTON CAP GASKET. PULL UP TO 8900',SWAP TO PUMP 1. RIH TO 9112 AND CONTINUE MILLING. REPLACE GASKET ON PUMP 2. 22:15 - 00:00 1.75 STWHIP P WEXIT MILL FROM 9112'. PUMP 2.5 BPM IN/2.1 BPM OUT AT 2530 PSI. 1.75K#DHWOB. LOSSES 30 BPH 10/30/2012 00:00 - 03:00 3.00 STWHIP P WEXIT TIME MILL WINDOW FROM 9114'AT 1 FPH. PUMP 2 5 BPM IN/2.2 BPM OUT AT 2550 PSI. 2.5 DHWOB. MILL TO 9117'. 03:00 - 04:30 1.50 STWHIP P WEXIT TIME MILL WINDOW FROM 9117'TO 9120'AT 1 FPM. PUMPING 2.5 BPM IN/2.2 BPM OUT AT 2600 PSI. 1.1 DHWOB,STARTING TO SEE FORMATION IN SAMPLE,5%. LOSSES 25 BPH. 04:30 - 10:00 5.50 STWHIP P _ WEXIT MILL 10'OF OPEN HOLE TO 9130'. BACK REAM THROUGH WINDOW SEVERAL TIMES AT 1 FPM. BACK REAM FROM 9105'TO 9130' DRY DRIFT THROUGH THE WINDOW AT 30 FPM LOSSES 10-15 BPH. TOP OF WINDOW 9109' BOTTOM OF WINDOW 9120' 10:00 - 12:30 2.50 STWHIP P WEXIT POH THROUGH WINDOW TO 9085' FLOW CHECK. PJSM ON POH. POH. PUMP AT 3.5 BPM WITH 2830 PSI. LAY DOWN MILL AND BHA.MILL GUAGED AT 3.79"OD 12:30 - 13:00 0.50 STWHIP P WEXIT CLEAR AND CLEAN FLOOR FLOW CHECK WELL. 13:00 - 13:45 0.75 DRILL P PROD1 MAKE UP BUILD BHA WITH 4 1/8"HTC BICENTER BIT WITH SLICK BIT COATING ULS 2 7/8"MOTOR WITH 3"COILTRAK.CTC, UQC,LQC,P&C,EDC,DPS,DGS,HOT. STAB INJECTOR HEAD ONTO WELL.TEST QTS. 13:45 - 16:15 2.50 DRILL P PROD1 RIH WITH BHA#2 ON COIL PUMP WHILE RIH AT 0.50 BPM WITH 1058 PSI. TIE IN AT 6840'WITH CCL LOG. +2' CORRECTION. SLOW PUMP RATES AT 9109'MD,8.6 PPG: MP#1: 0.5 BPM= 1125 PSI,1 BPM= 1355 PSI MP#2: 0.5 BPM= 1058 PSI,1 BPM= 1410 PSI Printed 11/26/2012 11:00:11AM North America -ALASKA- BP • Page 4 of 24 Operation Summary Report Common Well Name:P-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 End Date: 11/10/2012 X3-01235-C:DRILL(3,099,327.00) Project:Prudhoe Bay Site: PB P Pad Rig Name/No.: NORDIC 2 Spud Date/Time:4/24/1991 12:00:OOAM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum:P-12A @86.59ft(above Mean Sea Level) Date From-To I Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) —_ 16:15 - 00:00 7.75 DRILL P PROD1 WILL 41/8"BUILD SECTION FROM 9130'- 9250'MD. WOB-1-3K, PUMP PRESSURE 3025 PSI, FREE SPIN-2680, FLOW IN/OUT-2.68/2.54, OMA-12/5, ECD 11.4, MW IN/OUT-8.58/8.50 10/31/2012 00:00 - 00:30 0.50 DRILL P PROD1 POOH FROM 9250'-7850'MD FOR PLANNED WIPER TRIP AND TIE-IN. MICRO-MOTION METER INDICATES WELL FLOW OUT INCREASING. SHUT DOWN PUMPS AND STOP PULLING OUT OF HOLE. FLOW CHECK WELL. WELL FLOWING. v SHUT-IN WELL, PER STANDING ORDERS, WITH HCR AND SCHLUMBERGER PACKOFF. 00:30 - 02:00 1.50 DRILL N DPRB 7,850.00 PROD1 EQUALIZE AGAINST HCR VALVE WITH 350 Q PSI. OPEN HCR TO CLOSED CHOKE TO r fir/ ' BEGIN MONITORING PRESSURE ON COILED TUBING DRILLING SCREEN. INITIAL SIWHP= 319 PSI. NOTIFY WELL OPS SUPERINTENDENT OF SHUT-IN. SIWHP BUILDS TO 359 PSI. PUMP DOWN COIL TO ESTIMATE SICTP. COIL PRESSURE BREAKOVER AT 1040 PSI(COMPARED TO SCR OF 1125 PSI AT 0.5 BPM), SUGGESTING 0 PSI SICTP AND CONTINUING LOSSES TO FORMATION. OBTAIN APPROVAL TO OPEN WELL AND BEGIN DRILLER'S METHOD 02:00 - 03:30 1.50 DRILL N DPRB .7,850.00 PROD1 PERFORM WELL KILL OPERATIONS (DRILLER'S METHOD);BIT AT 7710'MD,7564' ND(WINDOW AT 9109'MD, BUILD SECTION • TOTAL DEPTH=9250'MD) PUMP 65 BBLS OUT OF 85 TOTAL BBLS FOR BOTTOMS UP. SHUT DOWN PUMPS DUE TO VERY ERRATIC FLOW THROUGH MICRO MOTION OUT METER AND UNCERTAINTY AROUND FLUID RETURNED TO TIGER TANK. WELL SHUT IN AT 245 PSI,PRESSURE INCREASED TO 480 PSI IN 60 MINS. TIGER TANK STRAP AFTER ONE HOUR=57 BBLS RETURNED. NOTIFIED PAD OPERATOR OF CURRENT SITUATION AND RECEIVED APPROVAL TO CHECK THE GAUGE PRESSURE ON THE P-14I INJECTOR WELL.(P14 PSI=1850) DECISION WITH OPS SUPERINTENDENT TO PERFORM BULLHEAD KILL OPERATIONS. 03:30 - 05:00 1.50 DRILL N DPRB 7,850.00 PROD1 PERFORM PJSM WITH RIG CREW,TOOL PUSHER AND WSL FOR BULLHEAD OPERATIONS TRANSFER MUD INTO PITS MONITOR WELLHEAD PRESSURES Printed 11/26/2012 11:00:11 AM _ . , . • North America ALASKA- BP . Page 5 of 24 , ., L___ Operation Summary Report Common Well Name: P-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 End Date: 11/10/2012 X3-01235-C:DRILL(3,099,327.00) Project:Prudhoe Bay Site: PB P Pad Rig Name/No.: NORDIC 2 Spud Date/Time:4/24/1991 12.00:OOAM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum:P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 05:00 - 06:00 1.00 DRILL N DPRB 7,850.00 PROD1 PERFORM WELL KILL OPERATIONS (BULLHEADING);BIT AT 7710'MD,7564'TVD (WINDOW AT 9109'MD,BUILD SECTION TOTAL DEPTH=9250'MD) PUMP 115 BBLS MUD DOWN ANNULUS AT 0.75-1.5 BPM. MAX RATE ACHIEVALE TO STAY UNDER 12.5 PPG FRAC GRADIENT=1.5 -BPM. SHUT DOWN PUMPS AND SHUT IN THE 'WELL. SIWHP=1450 PSI. 06:00 - 15:30 9.50 DRILL N DPRB 7,850.00 PROD1 'WELL SHUT IN. PRESSURE SLOWLY BLEEDING OFF FROM 1450 PSI TO STABILIZED 750 PSI AROUND 10 AM. CONSULT WITH TOWN TEAM ON PLAN FORWARD. PUMP 5 BBL MUD DOWN COIL EVERY HOUR TO PREVENT FREEZING COIL. HOLD PJSM FOR WELL KILL OPS. 15:30 - 20:00 4.50 DRILL N DPRB 7,850.00 PROD1 PERFORM WELL KILL OPERATIONS (DRILLER'S METHOD)PER OPS CHANGE NOTICE#1;BIT AT 7710'MD,7564'TVD (WINDOWAT 9109'MD, BUILD SECTION TOTAL DEPTH=9250'MD) LINE UP RETURNS TO FLOWBACK TANK. PUMP 240 BBLS(-3 BOTTOMS UP)AT 1 BPM. MANIPULATE CHOKE TO MAINTAIN CONSTANT COIL CIRCULATING PRESSURE AT—1400 PSI(-300 PSI OVER ICP OF 1095 PSI). INITIAL WHP=730 PSI,FINAL WHP= 145 PSI. MICROMOTION OUT METER VERY ERRATIC FOR FIRST 110 BBLS OF CIRCULATION. FINAL MUD WEIGHT IN=8.6 PPG,OUT=8.35 PPG. FINAL RATE IN= 1.06 BPM,OUT=0.91 BPM. SHUT-IN WELL AT END OF CIRCULATION AND MONITOR FOR PRESSURE BUILDUP. 20:00 - 23:30 3.50 DRILL N DPRB 7,850.00 PROD1 MONITOR WELL WHILE DISCUSSING PLAN FORWARD WITH ANCHORAGE TEAM. WHP BUILT TO STABILIZED PRESSURE OF 120 PSI IN 1 HOUR. CIRCULATE 3 BBLS DOWN COIL EVERY HOUR TO PREVENT FREEZE UP. 23:30 - 00:00 0.50 DRILL N DPRB 7,850.00 PROD1 STRIP IN HOLE FROM 7710'MD TO 8500'MD AT MIDNIGHT PER OPS CHANGE NOTICE#2; 30 FPM AGAINST CLOSED CHOKE. INITIAL WHP= 128 PSI. INITIAL BOTTOMHOLE ANNULUS PRESSURE=3551 PSI. 11/1/2012 00:00 - 00:30 0.50 DRILL N DPRB 7,850.00 PROD1 STRIP IN HOLE FROM 8500'MD AT MIDNIGHT TO 9100'MD,10'ABOVE TOP OF 5-1/2"LINER WINDOW. FINAL WELLHEAD PRESSURE WHEN AT DEPTH= 190 PSI. FINAL BOTTOMHOLE ANNULUS PRESSURE=4206 PSI. 00:30 - 01:30 1.00 DRILL N DPRB 7,850.00 PROD1 MONITOR WELL. WELLHEAD PRESSURE . INCREASES FROM 190 PSI TO 225 PSI. HOLD PRE-JOB SAFETY MEETING FOR WELL KILL OPS. PUMP 3 BBLS DOWN COIL FOR FREEZE PROTECTION. WHP INCREASES FROM 225 TO 450 PSI. Printed 11/26/2012 11:00:11AM North America -ALASKA- BP • Page 6 of 24 Operation Summary Report Common Well Name:P-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 I End Date: 11/10/2012 'X3-01235-C:DRILL(3,099,327.00) Project:Prudhoe Bay Site: PB P Pad Rig Name/No.: NORDIC 2 Spud Date/Time:4/24/1991 12:00:00AM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum: P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task I Code NPT NPT Depth Phase Description of Operations (hr) (ft) 01:30 - 05:00 3.50 DRILL N DPRB 7,850.00 PROD1 PERFORM WELL KILL OPERATIONS (DRILLER'S METHOD)PER OPS CHANGE NOTICE#2; BIT AT 9100'MD,8894'ND (WINDOW AT 9109'MD, BUILD SECTION TOTAL DEPTH=9250'MD) LINE UP RETURNS TO FLOWBACK TANK. PUMP 212 BBLS(-2 BOTTOMS UP)AT 1 BPM. MANIPULATE CHOKE TO MAINTAIN CONSTANT COIL CIRCULATING PRESSURE AT 1500 PSI(-150 PSI OVER ICP OF 1355 PSI). INITIAL WHP=450 PSI,FINAL WHP=85 PSI. FINAL MUD WEIGHT IN=8.5 PPG,OUT= 8.5 PPG. FINAL RATE IN= 1.04 BPM,OUT= 0.96 BPM. 05:00 - 06:45 1.75 DRILL N DPRB 7,850.00 PROD1 SHUT DOWN PUMPS,ALLOW FOR EQUALIZATION AND CONFIRM NO TRAPPED PRESSURE IN WELL. SHUT-IN WELL AND MONITOR FOR PRESSURE BUILDUP. PRESSURE BUILDS TO 150 PSI IN FIRST 15 MIN, INCREASE TO 175 PSI IN THE NEXT 15 MINUTES. 26 BBLS LOST TO FORMATION DURING KILL. 06:45 - 13:30 6.75 DRILL N DPRB 7,850.00 PROD1 WELL SHUT IN. PRESSURE SLOWLY INCREASING FROM 150 PSI TO 175 PSI AT 06:45 HRS CONSULT WITH TOWN TEAM ON PLAN FORWARD. PUMP 5 BBL MUD DOWN COIL EVERY 50 MINUTES TO PREVENT FREEZING COIL. SHUT IN WELL HEAD PRESSURE IS INCREASING AS THE 5 BBL PER 50 MINUTES v IS ADDED TO THE WELL. MI MUD PLANT IS BUILDING A BATCH OF 9.4 PPG MUD P-3 PRODUCED WATER INJECTOR IS SHUT-IN, PRESSURE=500 PSI. 13:30 - 20:00 6.50 DRILL N DPRB 7,850.00 PROD1 FIRST LOAD OF 9.4 PPG MUD ARRIVES AS WELL AS AN EMPTY VAC TRUCK OFFLOAD THE 8.5 PPG MUD FROM THE RIG AND FILL THE PITS WITH THE NEW 9.4 PPG MUD. MUD RECEIVED IS NOT 9.4 PPG BUT 9.2 PPG ON FIRST CHECK.ADDING SALT WHILE LOADING MUD TO THE RIG. THE FLOW BACK TANK IS EMPTY AND WILL BE USED TO RECEIVE THE 8.5 PPG MUD RETURNING FROM THE WELL DURING THE WELL KILL. Printed 11/26/2012 11:00:11AM . North America -ALASKA- BP 1111 Page 7 of 24 Operation Summary Report Common Well Name:P-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 End Date: 11/10/2012 X3-01235-C:DRILL(3,099,327.00) Project:Prudhoe Bay Site: PB P Pad Rig Name/No.: NORDIC 2 Spud Date/Time:4/24/1991 12:00:00AM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum: P-12A @86.59ft(above Mean Sea Level) Date I From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 20:00 - 00:00 4.00 DRILL N DPRB 7,850.00 PROD1 PERFORM WELL KILL OPERATIONS(WAIT AND WEIGHT METHOD)PER OPS CHANGE NOTICE#3; BIT AT 9100'MD,8894'TVD (WINDOW AT 9109'MD, BUILD SECTION TOTAL DEPTH=9250'MD). 1)BRING PUMPS UP TO 1 BPM, KILL SPEED, HOLDING SIWHP CONSTANT AT 200 PSI. INITIAL COIL CIRCULATING PRESSURE= 1595 PSI. 2)PUMP 9.4 PPG KILL WEIGHT FLUID(KWF) FROM GOOSENECK TO BIT FOLLOWING KILL SHEET PUMP DOWN SCHEDULE(16 PSI PER 100 STROKES). COIL CIRC PRESSURE WITH KILL WEIGHT MUD AT BIT= 1438 PSI(FCP). 3)MAINTAIN CONSTANT COIL CIRC PRESSURE(FCP)AT—1450 PSI WHILE CIRCULATING KWF FROM BIT TO SURFACE. MICROMOTION OUT DENSITY DROPS OFF TO 4 PPG WHILE KWF CIRCULATED TO SURFACE. MW OUT=7 PPG UPON FIRST BOTTOMS UP ON MICROMOTION OUT METER. MW OUT INCREASES FROM 7 PPG TO 9.4 PPG OVER THE COURSE OF THE -NEXT 1.5 BOTTOMS UP(2.5 TOTAL BOTTOMS UP RETURNED TO SURFACE DURING WELL • KILL) 4)RETURNS SWITCHED FROM FLOWBACK TANK TO MUD GAS SEPARATOR AT 290 BBLS - AWAY DOWN COIL WHEN 9.4 PPG MUD OBSERVED BACK AT SURFACE. CIRCULATE UNTIL—35 BBLS OF CLEAN 9.4 PPG HAVE BEEN RETURNED. 5)TOTAL OF 335 BBLS 9.4 PPG MUD PUMPED DOWN COIL. FINAL WHP WITH CHOKE FULLY OPEN= 18 PSI. FINAL COIL CIRC PRESSURE =—1250 PSI AT 1 BPM,—1550 PSI AT 1.6 BPM. FINAL ECD AT BIT= 10.2 PPG FLOWBACK TANK STRAP FOLLOWING WELL KILL=244 BBLS VS 290 BBLS PUMPED WHILE LINED UP TO TANK(46 BBLS LOST TO FORMATION) 6)WITH CHOKE FULLY OPEN,1:1 RETURNS, 9.4 PPG MW IN/OUT PRIOR TO SHUTTING PUMPS DOWN. WAIT AND WEIGHT WELL KILL OPS CONTINUE UNTIL 01:30 ON 11/2/2012(ALL DETAILS FOR WELL KILL IN THIS COMMENT SECTION) 11/2/2012 00:00 - 01:30 1.50 DRILL N DPRB 7,850.00 PROD1 COMPLETE WELL KILL OPERATIONS(WAIT AND WEIGHT METHOD)PER OPS CHANGE NOTICE#3; BIT AT 9100'MD,8894'TVD (WINDOW AT 9109'MD, BUILD SECTION • TOTAL DEPTH=9250'MD). SEE TIME SUMMARY DETAILS FROM 11/1/2012 20:00-00:00 FOR FULL DETAILS OF PUMPING. Printed 11/26/2012 11:00:11AM North America -ALASKA- BP • Page 8 of 24 Operation Summary Report Common Well Name:P-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 End Date: 11/10/2012 1X3-01235-C:DRILL(3,099,327.00) Project: Prudhoe Bay Site:PB P Pad Rig Name/No.: NORDIC 2 Spud Date/Time:4/24/1991 12:00:00AM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum:P-12A @86 59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 01:30 - 04:00 2.50 DRILL N DPRB 7,850.00 PROD1 SHUT DOWN PUMPS,ALLOW FOR EQUALIZATION AND CONFIRM NO TRAPPED PRESSURE IN WELL. SHUT-IN WELL AND MONITOR FOR PRESSURE BUILDUP. PRESSURE BUILDS TO 200 PSI IN FIRST 15 MINUTES. OVER THE NEXT 2 HOURS, PRESSURE BLEEDS OFF TO FORMATION FROM 200 PSI TO 20 PSI. RE-LOAD PITS WITH MUD. 9.2 PPG MUD LOADED IN PITS AND RIG CREWS WEIGHTING UP FLUID TO 9.4 PPG. 04:00 - 06:00 2.00 DRILL N DPRB 7,850.00 PROD1 CIRCULATE 3 BBLS DOWN COIL AGAINST CLOSED CHOKE FOR FREEZE PROTECTION. WHP INCREASES FROM 20 PSI TO 330 PSI. PRESSURE BLEEDS OF TO FORMATION FROM 330 PSI TO: 114 PSI AT 04:15 59 PSI AT 04:30, BHP=4250 PSI 44 PSI AT 04:45, BHP=4229 PSI 30 PSI AT 05:00, BHP=4202 PSI 25 PSI AT 05:15,BHP=4187 PSI 10 PSI AT 06:45,BHP=3995 PSI(FLUID LEVEL DROPPED TO APPROX.720'MD/TVD,—7 BBL) 06:00 - 10:15 4.25 DRILL N DPRB 7,850.00 PROD1 CONSULT WITH TOWN TEAM ON PLAN FORWARD AND OPERATION CHANGE NOTE • (OCN) MOVE PIPE SLOWLY UP AND DOWN 200'AT A TIME TO PREVENT THE COIL FROM FREEZING. NOT PUMPING INTO THE COIL AS THIS ARTIFICIALLY INCREASES THE WELL HEAD PRESSURE. WELL HEAD PRESSURE SLOWLY DROPPING AS IS THE BOTTOM HOLE PRESSURE ON THE PWD TOOL 10:15 - 11:00 0.75 DRILL N DPRB 7,850.00 PROD1 DECISION MADE TO: VERIFY 0 PSI ON WELL,OPEN CHOKE,FLOW CHECK,FILL THE HOLE THROUGH THE COIL (7 BBLS),FLOW CHECK AGAIN.IF NO FLOW CIRCULATE A BOTTOMS UP AT 1 BPM AND 2.5 BPM UNTIL KILL WIGHT MUD RETURNS TO SURFACE.FLOW CHECK AGAIN. WELL HEAD PRESSURE 0 PSI.OPEN CHOKE. NO FLOW. FILL HOLE DOWN THE COIL AT 1 BPM WITH 480 PSI. PUMP 7 BBL TO FILL HOLE AND GET RETURNS. PUMP A TOTAL OF 26 BBL TO ACHIEVE SATISFACTORY RETURNS. NO GAS.BHP ON MWD TOOL INCREASED FROM 4095 PSI TO 4354 PSI. Printed 11/26/2012 11:00.11AM North America-ALASKA- BP • rw d, age 9 of 24 Operation Summary Report Common Well Name: P-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 End Date: 11/10/2012 X3-01235-C:DRILL(3,099,327.00) Project:Prudhoe Bay Site: PB P Pad Rig Name/No.: NORDIC 2 Spud Date/Time.4/24/1991 12:00:00AM Rig Release. 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum:P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 11:00 - 13:00 2.00 DRILL N DPRB 7,850.00 PROD1 FLOW CHECK. NO FLOW PUMP 55 BBL(1/2 ANN VOL)DOWN COIL AT 1 BPM WITH 9.4 PPG MUD. WELL HEAD PRESSURE INCREASED FROM 22 PSI TO 33 PSI. BHP INCREASED FROM 762 PSI TO 1656 PSI. GAS AT SURFACE,TAKE RETURNS THROUGH THE MUD GAS SEPARATOR. CONTINUE CIRCULATING AFTER PUMPING 55 BBLS INCREASE PUMP RATE TO 2.5 BPM CIRCULATE 191 BBL MUD TO OBTAIN FULL RETURNS OF 9.4 PPG MUD. BYPASS MUD GAS SEPERATOR FOR LAST 37 BBL PUMPED. WELL HEAD PRESSURE INCREASED FROM 33 PSI TO 103 PSI. BHP INCREASED FROM 1656 PSI TO 5762 PSI. LOST 42 BBL WHILE CIRCULATING 13:00 - 13:30 0.50 DRILL N DPRB 7,850.00 PROD1 STOP PUMPING. FLOW CHECK WELL. THE WELL IS FLOWING. FLOW BACK 1 BBL IN 10 MINUTES. SHUT IN THE WELL. -THE WELL HEAD PRESSURE INCREASED TO 99 PSI IN 5 MINUTES. 198 PSI IN 10 MINUTES.209 PSI IN 15 MINUTES. THE PRESSURE STARTS DROPPING. 198 PSI IN NEXT 5 MINUTES. THE PRESSURE DROPPED TO 190 PSI IN 10 MINUTES AND 180 PSI IN 15 MINUTES. THE BHP DROPPED FROM 4574 PSI TO 4515 PSI IN THE SAME 30 MINUTE PERIOD. 13:30 - 16:30 3.00 DRILL N DPRB 7,850.00 PROD1 CONSULT WITH TOWN TEAM ON PLAN FORWARD AND OPERATION CHANGE NOTE (OCN) MOVE PIPE SLOWLY UP AND DOWN 200'AT A TIME TO PREVENT THE COIL FROM FREEZING. NOT PUMPING INTO THE COIL AS THIS ARTIFICIALLY INCREASES THE WELL HEAD PRESSURE. WELL HEAD PRESSURE SLOWLY DROPPING AS IS THE BOTTOM HOLE PRESSURE ON THE PWD TOOL Printed 11/26/2012 11:00:11AM . North America-ALASKA- BP Operation Summary Report Common Well Name: P-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 End Date: 11/10/2012 X3-01235-C:DRILL(3,099,327.00) Project:Prudhoe Bay Site: PB P Pad Rig Name/No.: NORDIC 2 Spud Date/Time:4/24/1991 12:00:OOAM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum:P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 16:30 - 21:00 4.50 DRILL N DPRB 7,850.00 PROD1 CIRCULATE WELL PER OPS CHANGE NOTICE #5 WELL HEAD PRESSURE DROPPED TO 0 PSI BHP 4148 PSI OPEN THE CHOKE NO FLOW. PUMP 75 BBL 9 4 PPG MUD AT 98 BPM DOWN THE COIL. RETURNS AFTER PUMPING 2 BBL PUMP 68 BBL WITH WHP INCREASED FROM 22 PSI TO 37 PSI AT THE SAME TIME THE BHP INCREASED FROM 4510 PSI T04645 PSI. GAS AT SURFACE PUMP THROUGH MUD GAS SEPARATOR CIRCULATE TOTAL OF 345 BBLS(3+ BOTTOMS UP)WITH SOME GAS ENTRAINED MUD IN RETURNS. LOSE -40 BBLS TO FORMATION WHILE CIRCULATING. 21:00 - 00:00 3.00 DRILL P PROD1 PROCEED AHEAD WITH NORMAL DRILLING OPERATIONS FOLLOWING WELL CONTROL SITUATION PER OPS CHANGE NOTICE#6 /CIRCULATE OUT OF HOLE FROM TOP OF WHIPSTOCK AT 9100' MD TO 6800'MD LOG CCL TIE-IN AND APPLY+3'CORRECTION. RUN BACK IN HOLE TO WINDOW 0 5 BPM. 1140 PSI HOLE FILL CORRECT DURING SHORT TRIP CLOSE EDC AND RUN IN HOLE TO PREVIOUSLY DRILLED DEPTH OF 9250' MD WITH NO HOLE ISSUES SLOW PUMP RATES AT 9250'MD.9.4 PPG. MP#1 0 5 BPM=1240 PSI.1 BPM= 1487 PSI MP#2: 0.5 BPM= 1241 PSI,1 BPM= 1500 PSI 11/3/2012 00:00 - 06:30 6.50 DRILL P PROD1 DIRECTIONAL DRILL 4-1/F BUILD HOLE SECTION FROM 9250'MD TO BUILD SECTION LANDING DEPTH AT 9465'MD(215'IN 6.5 HRS =33 FPH);2.5 BPM,2780 PSI FREESPIN, 2900-3100 PSI CIRCULATING,1-3 KLBS DHWOB,MW IN/OUT=9.4 PPG,ECD=10.6 PPG,IA/OA=300/5 PSL PERFORM BHA WIPER TRIPS AS NECESSARY. LOSSES TO FORMATION WHILE DRILLING=5 BPH. DRILL AHEAD ON MUD GAS SEPARATOR. OBSERVE CLABBERED MUD IN RETURNS UPON FIRST BOTTOMS UP AFTER GETTING BACK TO BOTTOM AND RESUMING DRILLING. 06:30 - 07:00 0.50 DRILL P PROD1 POH TO WINDOW. PUMP AT 2.6 BPM WITH 2645 PSI. BHP 4914 PSI, ECD 10.5 PPG. MUD WEIGHT IN AND OUT 9.4 PPG. OPEN EDC. 07:00 - 07:45 0.75 DRILL P PROD1 CIRCULATE BOTTOMS UP. PUMP AT 2.6 BPM WITH 2645 PSI. BHP 4696 PSI, ECD 10.3 PPG. MUD WEIGHT IN AND OUT 9.4 PPG. STAGE PUMPS DOWN FOR LAST 20 BBL CIRCULATED TO REDUCE FLOW BACK IMPACT. NO NOTICABLE PIT GAIN. Printed 11/26/2012 11:00:11AM L � .,w • North America -ALASKA- BPIII Page 11 of 24 Operation Summary Report Common Well Name:P-12 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 End Date: 11/10/2012 'X3-01235-C:DRILL(3,099,327.00) Project: Prudhoe Bay Site: PB P Pad Rig Name/No.: NORDIC 2 Spud Date/Time:4/24/1991 12:00:00AM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum:P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 07:45 - 10:00 2.25 DRILL P PROD1 FLOW CHECK WELL. BPH DROPPED FROM 4696 PSI TO 4117 PSI. AT THE SAME TIME THE ECD DROPPED FROM 10.3 PPG TO 9.5 PPG. MOVE PIPE SLOWLY UP 150'AT A TIME TO PREVENT THE COIL FROM FREEZING. NOT PUMPING INTO THE COIL AS THIS ARTIFICIALLY INCREASES THE WELL HEAD PRESSURE. BIT AT 8400' 10:00 - 10:15 0.25 DRILL N DPRB 9,100.00 PROD1 RIH TO WITH COIL TO 9100'. PUMP AT 0.62 BPM. 10:15 - 11:30 1.25 DRILL N DPRB 9,100.00 PROD1 CIRCULATE BOTTOMS UP AT 2.5 BPM WITH 2278 PSI. GAS TO SURFACE AFTER PUMPING 65 BBL. TAKE RETURNS THROUGH THE MUD GAS SEPARATOR.CONTINUE CIRCULATING. CLEAN MUD TO SURFACE AFTER PUMPING 139 BBL.74 BBL GAS CUT MUD. BYPASS MUD GAS SEPARATOR. CONTINUE CIRCULATING. 2.2 BPM IN 2.1 BPM OUT. MUD WEIGHT IN 9.4 PPG MUD OUT 9.36 PPG 11:30 - 17:00 5.50 _.. DRILL-- N DPRB 9,100.00 PROD1 SLOW CIRCULATING RATE TO 1 BPM WITH 1333 PSI. BHP 4689 PSI ECD 10.3 PPG. MUD WEIGHT IN 9.4 PPG MUD OUT 8.6 PPG. CONSULT WITH TOWN TEAM ON PLAN FORWARD 17:00 - 19:00 2.00 DRILL P PROD1 INCREASE THE MUD LSRV TO 100K AND CIRCULATE AROUND THE ENTIRE WELL. POH FROM WINDOW TO 80'MD AT BHA; PUMPING DOWN THE COIL AT 2.5 BPM TO MAINTAIN AN ECD OF GREATER THAN 9.4 PPG TRIP SHEET IS-1 BBL FOR TRIP FROM WINDOW. 19:00 - 19:45 0.75 DRILL P PROD1 STAGE DOWN PUMPS AND FLOWCHECK WELL AT SURFACE WITH BHA BELOW BOP STACK. NO FLOW. UNSTAB INJECTOR AND SETBACK. LAYDOWN BUILD DRILLING ASSEMBLY. GRADE BIT 1-1. 19:45 - 21.30 1.75 DRILL P PROD1 SHUT SWAB VALVE AND INSTALL PRESSURE GAUGE ON WING VALVE TO MONITOR WELL. PRESSURE BUILDS TO 100 PSI IN FIRST 15 MIN. FLUSH CHOKE MANIFOLD AND MUD GAS SEPARATOR WITH FRESH WATER. CHANGEOUT SLB PACKOFF ON INJECTOR. PRESSURE ON WELL DROPS TO 0 PSI BY 23:00. 21:30 - 22:30 1.00 BOPSUR P PROD1 PERFORM BOP WEEKLY FUNCTION TEST FROM DRILLER'S REMOTE STATION,PER AOGCC REGULATIONS. 22:30 - 00:00 1.50 BOPSUR N SFAL 9,465.00 PROD1 ATTEMPT TO TEST HCR,PACKOFF AND DFCVS. DFCVS FAIL SEVERAL TIMES. Printed 11/26/2012 11:00:11AM • North America -ALASKA- BP 110 Page 12 of 24 Operation Summary Report Common Well Name:P-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 End Date: 11/10/2012 X3-01235-C:DRILL(3,099,327.00) Project:Prudhoe Bay Site: PB P Pad Rig Name/No.: NORDIC 2 Spud Date/Time:4/24/1991 12:00:00AM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum:P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 11/4/2012 00:00 - 01:00 1.00 BOPSUR P PROD1 PRESSURE TEST HCR AND PACKOFF (FOLLOWING WELL SHUT-IN ON 10/31/12)TO 250 PSI LOW AND 3500 PSI HIGH FOR FIVE MIN EACH(PASSING TEST,SEE ATTACHED CHART). AOGCC REPRESENTATIVE BOB NOBLE WAIVED STATE'S RIGHT TO WITNESS TEST. 01:00 - 01:30 0.50 BOPSUR N SFAL 9,465.00 PROD1 ATTEMPT TO PRESSURE TEST DFCV(FAIL). DISCUSS WITH ODE AND DECISION MADE TO RUN FLOAT SUB. NOTE: DAYLIGHT SAVINGS 1 HOUR ROLLBACK ACCOUNTED FOR IN THIS TIME INTERVAL. 01:30 - 02:00 0.50 BOPSUR P PROD1 BENCH PRESSURE TEST BHA FLOAT SUB TO 250 PSI LOW AND 3500 PSI HIGH FOR FIVE MIN EACH(PASSING TEST,SEE ATTACHED r CHART). 02:00 - 02:30 0.50 DRILL ' P PROD1 CHECK PRESSURE ON WELL THROUGH WING VALVE,STILL 0 PSI. OPEN SWAB VALVE AND FILL WELL WITH 1 BBL. 02:30 - 04:00 1.50 DRILL P PRODI MAKEUP LATERAL DRILLING BHA(BHA#3). RUN IN HOLE TO OAL AT 82'MD. STAB ON 'WELL WITH INJECTOR. PRESSURE TEST QTS TO 250 PSI LOW AND 3500 PSI HIGH FOR FIVE MIN EACH(PASSING TESTS). -RERUN HUGHES RWD2ST3053.750QF 3-3/4" X 4-1/8"SLICK BI-CENTER BIT,SER#7030719 -1.1°BEND 2-7/8"ULTRA LOW SPEED MUD MOTOR -3"COILTRAK TOOLS WITH RES,NEW DGS FOR JORPS(MWD TOOLS FUNCTION TESTED AT SURFACE) -FLOAT SUB ABOVE MUD MOTOR,INSTEAD OF DFCVS(DUE TO FAILED DFCVS PRESSURE TEST) 04:00 - 09:00 5.00 DRILL P PROD1 RUN IN HOLE FROM BHA AT 82'MD TO 8800'. GAS IN MUD RETURNS. DIVERT RETURN FLOW THROUGH THE MUD GAS SEPARATOR. CONTINUE CIRCULATING. RIH TO 9098'JUST ABOVE THE WINDOW WHILE CIRCULATING AT 1 BPM. CONTINUE IN TO PREVIOUSLY DRILLED DEPTH OF 9465'MD. CIRCULATE BOTTOMS UP. CLEAN MUD TO SURFACE AFTER PUMPING 96 BBL. MUD WEIGHT IN 9.47 PPG MUD OUT 9.39 PPG. LOG TIE-IN POINT ACROSS WHIPSTOCK AT 9115'MD AND APPLY+2'CORRECTION FOR DEPTH CONTROL. SLOW PUMP RATES AT 9465'MD,9.4 PPG: MP#1: 0.5 BPM=1359 PSI,1 BPM=1742 PSI MP#2: 0.5 BPM=1344 PSI,1 BPM=1608 PSI Printed 11/26/2012 11:00:11AM North America -ALASKA- BP • Page 13 of 24 Operation Summary Report Common Well Name:P-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 End Date: 11/10/2012 X3-01235-C:DRILL(3,099,327.00) Project: Prudhoe Bay Site: PB P Pad Rig Name/No.: NORDIC 2 Spud Date/Time:4/24/1991 12:00:00AM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum:P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 09:00 - 14:30 5.50 DRILL P PROD1 DIRECTIONAL DRILL 4-1/8"LATERAL HOLE SECTION FROM 9465'MD TO 9600'MD(135'IN 5.03 HRS=26.8 FPH);2.7 BPM,3100 PSI FREE SPIN,3231 PSI CIRCULATING,3.26 KLBS DHWOB,MW IN/OUT=9.47 PPG, ECD= 10.6 PPG, IA/OA= 131/5 PSI. PERFORM BHA WIPER TRIPS AS NECESSARY. LOSSES TO -FORMATION WHILE DRILLING=5 BPH. 14:30 - 15:00 0.50 DRILL P PROD1 POH TO WINDOW AT 9109'FOR WIPER TRIP. CIRCULATE AT 2.3 BPM WITH 2736 PSI. ECD 10.6 PPG. RIH TAG BOTTOM AT 9600'.NO FILL. 15:00 - 19:30 4.50 DRILL P PROD1 DIRECTIONAL DRILL 4-1/8"LATERAL HOLE SECTION FROM 9600'MD TO 9750'MD(150'IN 4.5 HRS=33 FPI);2.7 BPM,3100 PSI FREE SPIN,3250-450 PSI CIRCULATING,3-4 KLBS DHWOB,MW IN/OUT=9.4 PPG,ECD=10.6 PPG,IA/OA=575/10 PSI. PERFORM BHA WIPER TRIPS AS NECESSARY. LOSSES TO FORMATION WHILE DRILLING=<5 BPH. 19:30 - 20:30 1.00 DRILL P PROD1 PERFORM PLANNED WIPER TRIP FOR HOLE CLEANING FROM 9750'MD TO WINDOW AT 9109'MD;20-30 FPM. MINOR TIGHT SPOT . ENCOUNTERED AT 9460'MD. 20:30 23:30 3.00 DRILL P PROD1 DIRECTIONAL DRILL 4-1/8"LATERAL HOLE SECTION FROM 9750'MD TO 9900'MD(150'IN 3 HRS=50 FPH);2.7 BPM,3100 PSI FREE SPIN,3300 PSI CIRCULATING,2-4 KLBS DHWOB, MW IN/OUT=9.4 PPG, ECD= 10.6 PPG, IA/OA=700/15 PSI. PERFORM BHA WIPER TRIPS AS NECESSARY. LOSSES TO FORMATION WHILE DRILLING=<5 BPH. BLEED IA FROM 700 PSI TO 200 PSI IN<2 MIN. 23:30 - 00:00 0.50 DRILL P PROD1 PERFORM PLANNED WIPER TRIP FROM 9900' MD TO WINDOW. MINOR TIGHT SPOT NOTED AT 9460'MD(SHALE AND INVERT POINT). ABLE TO WORK THROUGH WITH<5KLBS SLACKOFF/OVERPULL AND MINOR MOTOR WORK. TRIP CONTINUES TO 02:30 ON 11/5/2012. 11/5/2012 00:00 - 02:30 2.50 DRILL P PROD1 COMPLETE PLANNED WIPER TRIP FROM 9900'MD TO WINDOW. MINOR TIGHT SPOT NOTED AT 9460'MD(SHALE AND INVERT POINT). ABLE TO WORK THROUGH WITH< 5KLBS SLACKOFF/OVERPULL AND MINOR MOTOR WORK. ENTER WINDOW,OPEN EDC AND JET 5-1/2"LINER FROM WINDOW TO 6850'MD. 25%INCREASE IN CUTTINGS RETURN OVER THE SHALLER. LOG TIE-IN AT 9115'AND APPLY+4' CORRECTION. SLOW PUMP RATES AT 9900'MD,9.4 PPG: MP#1: 0.5 BPM= 1417 PSI,1 BPM= 1688 PSI MP#2: 0.5 BPM=1421 PSI,1 BPM= 1655 PSI Printed 11/26/2012 11:00:11AM North America-ALASKA- BP Page 14 of 24 Operation Summary Report Common Well Name:P-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 End Date: 11/10/2012 X3-01235-C:DRILL(3,099,327.00) Project:Prudhoe Bay Site: PB P Pad Rig Name/No.: NORDIC 2 Spud Date/Time:4/24/1991 12:00:OOAM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum: P-12A @86 59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase ' Description of Operations (hr) (ft) 02:30 - 05:30 3.00 DRILL P PROD1 DIRECTIONAL DRILL 4-1/8"LATERAL HOLE SECTION FROM 9900'MD TO 10052'MD(150' IN 3 HRS=50 FPH);2.7 BPM,3100 PSI FREE SPIN,3250-3450 PSI CIRCULATING,2-4 KLBS DHWOB,MW IN/OUT=9.4 PPG, ECD= 10.6 PPG, IA/OA=325/15 PSI. PERFORM BHA WIPER TRIPS AS NECESSARY. LOSSES TO FORMATION WHILE DRILLING=<5 BPH. 05:30 - 06:30 1.00 DRILL P PROD1 PERFORM PLANNED WIPER TRIP FOR HOLE CLEANING FROM 10050'MD TO WINDOW AT 9109'MD;20-30 FPM,2.7 BPM,3100 PSI. SLOW PUMP RATES AT 10,052'MD,9.4 PPG: MP#1: 0.5 BPM= 1443 PSI,1 B5M= 1688 PSI MP#2: 0.5 BPM= 1436 PSI,1 BPM= 1677 PSI 06:30 - 08:45 2.25 DRILL P PROD1 DIRECTIONAL DRILL 4-1/8"LATERAL HOLE SECTION FROM 10052'MD TO 10,202'MD(150' • IN 4.83 HRS=31.1 FPH);2.7 BPM,3225 PSI FREE SPIN,3225 PSI CIRCULATING,3.6 KLBS DHWOB, MW IN/OUT=9.4 PPG, ECD= 10.7 PPG, IA/OA=325/15 PSI. PERFORM BHA WIPER TRIPS AS NECESSARY. LOSSES TO FORMATION WHILE DRILLING= 1 BPH. 08:45 - 10:15 1.50 DRILL P PROD1 POH FROM 10,202'TO 9100'. OPEN EDC.CIRCULATE BOTTOMS UP AT 3.1 BPM WITH 2769 PSI. V WEIGHT IN AND OUT 9.5 PPG. ECD 10.7 PPG SLOW PUMP TO.45 BPM IN AND 4.43 BPM OUT 10:15 - 12:00 1.75 DRILL P PROD1 SCHLUMBERGER CARRY OUT MAINTENANCE ON HYDRAULIC POWER PACK. PJSM WITH INVOLVED PARTIES. LO/TO SCR TO POWER PACK. SLB TECH INSPECT INNER POLES,BRUSHES, AND CONNECTIONS MEG MAIN FIELD AND COMMUTATOR. CONTINUE CIRCULATING DOWN COIL AT .45 BPM IN AND 4.43 BPM OUT WITH 1230 PSI MUD WEIGHT IN AND OUT 9.45 PPG 12:00 - 12:45 0.75 DRILL P PROD1 CLOSE EDC VALVE.RIH THROUGH THE WINDOW WITH PUMPS OFF. TOOL FACE AT AS-DRILLED SETTING. PASS THROUGH WINDOW. HANG UP AT 9149' UNABLE TO PASS. MAKE SEVERAL ATTEMPTS WITH PUMP ON AT.25 BPM, NO SUCCESS. TURN TOOL FACE TO HIGH SIDE.MAKE SEVERAL ATTEMPTS WITH NO SUCCESS. SET TOO FACE AT AS-DRILLED SETTING POH TO 8809'. RIH AND PASS THROUGH WINDOW WITH NO PROBLEM. PUMPING AT.89 BPM WITH 1564 PSI _ 12:45 - 13:30 0.75 DRILL P PROD1 RIH FROM 9100'TO 10,202'. CIRCULATE BOTTOMS UP AT 3.1 BPM WITH 2769 PSI. WEIGHT IN AND OUT 9.5 PPG. ECD 10.7 PPG SLOW PUMP TO.45 BPM IN AND 4.43 BPM OUT Printed 11/26/2012 11.00:11AM North America-ALASKA- BP • Page 15 of 24 Operation Summary Report ` . Common Well Name:P-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 End Date: 11/10/2012 X3-01235-C:DRILL(3,099,327.00) Project: Prudhoe Bay Site: PB P Pad Rig Name/No.: NORDIC 2 Spud Date/Time:4/24/1991 12:00:00AM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum: P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 13:30 - 15:30 2.00 DRILL P PROD1 DIRECTIONAL DRILL4-1/8"LATERAL HOLE SECTION FROM 10,202'MD TO 10,353'MD (151'IN 2 HRS=75 FPH);2.7 BPM,3180 PSI FREE SPIN,3400-3700 PSI CIRCULATING,2-3 KLBS DHWOB,MW IN/OUT=9.4 PPG, ECD= 10.9 PPG,IA/OA=395/15 PSI. PERFORM BHA WIPER TRIPS AS NECESSARY. LOSSES TO FORMATION WHILE DRILLING=4 BPH. 15:30 - 17:30 2.00 DRILL P PROD1 PERFORM PLANNED WIPER TRIP FROM 10353'MD TO WINDOW AT 9109'MD. NO TIGHT SPOTS ENCOUNTERED IN OPENHOLE. LOG GR TIE-IN ACROSS 9115'MD FOR DEPTH CONTROL AND APPLY+3'CORRECTION. 17:30 - 21:30 4.00 DRILL P PROD1 DIRECTIONAL DRILL 4-1/8"LATERAL HOLE SECTION FROM 10,353'MD TO 10,500'MD (147'IN 4 HRS=39 FPH);2.7 BPM,3180 PSI FREE SPIN,3300-3550 PSI CIRCULATING, 2-4.5 KLBS DHWOB,MW IN/OUT=9.4 PPG, ECD=10.9 PPG, IA/OA=550/20 PSI. PERFORM BHA WIPER TRIPS AS NECESSARY. LOSSES TO FORMATION WHILE DRILLING=4 BPH. NOTE: DRILLED OUT TOP OF ZONE 4 INTO TSAD AT—10340'MD. ABLE TO TURN ANGLE BACK DOWN AND RE-ENTER ZONE 4 AROUND 10430'MD. 21:30 - 00:00 2.50 DRILL P PROD1 PERFORM PLANNED WIPER TRIP FROM 10500'MD TO WINDOW AT 9109'MD;2.7 BPM, 3130 PSI,15 FPM,TIGHT SPOTS WITH MINOR OVERPULL AND DIFFERENTIAL AT 9800'MD AND 9600'MD. PULL UP INTO WINDOW, OPEN EDC,JET 5-1/2"LINER UP TO TUBING TAIL;3.5 BPM,3200 PSI,25%INCREASE IN CUTTINGS BACK AT SHAKERS. CLOSE EDC AT WINDOW AND RUN BACK IN HOLE TO PREVIOUSLY DRILLED DEPTH OF 10500'MD. NO HOLE ISSUES ON TRIP IN. PICKUP WEIGHT=34 KLBS,SLACKOFF=16 KLBS. WIPER TRIP COMPLETED AT 01:00 ON 11/6/2012 11/6/2012 00:00 - 01:00 1.00 DRILL P PROD1 COMPLETE PLANNED WIPER TRIP FROM 10500'MD WITH LINER JETTING. SEE 11/5/2012 21:00-00:00 TIME SUMMARY ENTRY FOR MORE DETAILS. SLOW PUMP RATES AT 10500'MD,9.6 PPG: MP#1: 0.5 BPM= 1516 PSI,1 BPM=1732 PSI MP#2: 0.5 BPM=1500 PSI,1 BPM=1710 PSI Printed 11/26/2012 11:00:11AM AgoL North America-Akw Operation Summary Report Common Well Name:P-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 End Date: 11/10/2012 X3-01235-C:DRILL(3,099,327.00) Project:Prudhoe Bay Site: PB P Pad Rig Name/No.: NORDIC 2 Spud Date/Time:4/24/1991 12:00:00AM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum:P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 01:00 - 07:30 6.50 DRILL P PROD1 DIRECTIONAL DRILL 4-1/8"LATERAL HOLE SECTION FROM 10,500'MD TO 10,700'MD (200'IN 6.27 HRS=31.9 FPH);2.7 BPM,3180 PSI FREE SPIN,3300-3550 PSI CIRCULATING, 2-5 KLBS DHWOB,MW IN/OUT=9.4 PPG, ECD = 10.9 PPG, IA/OA=650/25 PSI. PERFORM BHA WIPER TRIPS AS NECESSARY. LOSSES TO FORMATION WHILE DRILLING=3 BPH. 06:00-SEND NEW 9.4 PPG MUD DOWN COIL AND DISPLACE WELL OVER TO NEW MUD SYSTEM. DRILL AHEAD UNTIL NEW MUD IS ALL AROUND. 07:30 - 09:45 2.25 DRILL P PROD1 PERFORM PLANNED WIPER TRIP FROM 10700'MD TO WINDOW AT 9109'MD;10 FPM, 2.64 BPM,3142 PSI. TIGHT SPOT AT 9640', PULLED THROUGH WITH NO PROBLEMS. SLOW PUMP RATES AT 10650'MD,9.4 PPG, NEW MUD: MP#1: 0.5 BPM=1470 PSI,1 BPM= 1745 PSI MP#2: 0.5 BPM=1483 PSI,1 BPM=1735 PSI ✓ 09:45 - 12:00 2.25 DRILL P PROD1 DIRECTIONAL DRILL 4-1/8"LATERAL HOLE 'SECTION FROM 10,700'MD TO 10,xxx'MD(xx' IN x HRS=xx FPH);2.7 BPM,3180 PSI FREE SPIN,3300-3550 PSI CIRCULATING,2-4.5 KLBS DHWOB,MW IN/OUT=9.4 PPG, ECD= 10.9 PPG,IA/OA=550/20 PSI. PERFORM BHA WIPER TRIPS AS NECESSARY. LOSSES TO FORMATION WHILE DRILLING=4 BPH. DRILL TO 10850 FT. _ 12:00 - 14:15 2.25 DRILL P PROD1 WIPER TRIP FROM 10850 FT TO WINDOW. TIE-IN DEPTH,CORRECT-4 FT. 14:15 - 19:00 4.75 DRILL P PROD1 DIRECTIONAL DRILL 4-1/8"LATERAL HOLE SECTION FROM 10850'MD TO 11000'MD(150' IN 4.75 HRS=32 FPH);2.7 BPM,3100 PSI FREE SPIN,3250-3450 PSI CIRCULATING,2-5 KLBS DHWOB,MW IN/OUT=9.5 PPG, ECD= 10.8 PPG, IA/OA=650/25 PSI. PERFORM BHA WIPER TRIPS AS NECESSARY. LOSSES TO FORMATION WHILE DRILLING=<5 BPH. 19:00 - 21:30 2.50 DRILL P PROD1 PERFORM PLANNED WIPER TRIP FROM 10700'MD TO WINDOW AT 9109'MD;25 FPM, 2.7 BPM,3050 PSI. PICKUP WEIGHT OFF BOTTOM=34 KLBS,SLACKOFF= 16 KLBS. MINOR OVERPULLS AND MOTOR WORK NOTED AT 9900'MD,9725'MD,9625'MD,9525' MD ON TRIP OUT OF HOLE,MINOR SETDOWN OBSERVED AT 9460'MD ON TRIP IN. SLOW PUMP RATES AT 11000'MD,9.5 PPG: MP#1: 0.5 BPM= 1460 PSI,1 BPM=1743 PSI MP#2: 0.5 BPM=1460 PSI,1 BPM=1729 PSI Printed 11/26/2012 11:00:11AM • North America-ALASKA- BP s 17 of 24 Operation Summary Report Common Well Name: P-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 End Date: 11/10/2012 X3-01235-C:DRILL(3,099,327.00) Project:Prudhoe Bay Site: PB P Pad Rig Name/No.. NORDIC 2 Spud Date/Time:4/24/1991 12:00.00AM Rig Release. 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum:P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task I Code NPT NPT Depth Phase Description of Operations (hr) (ft) 21:30 - 00:00 2.50 DRILL P PROD1 DIRECTIONAL DRILL 4-1/8"LATERAL HOLE SECTION FROM 11000'MD TO 11030'MD(30' IN 2.5 HRS= 12 FPH);2.7 BPM,3080 PSI FREE SPIN,3200-3300 PSI CIRCULATING,5-6 KLBS DHWOB, MW IN/OUT=9.4 PPG, ECD= 10.8 PPG, IA/OA=700/25 PSI. PERFORM BHA WIPER TRIPS AS NECESSARY. LOSSES TO FORMATION WHILE DRILLING=3 BPH. VERY ERRATIC DRILLING,DIFFICULTY SLIDING.. 11/7/2012 00:00 - 03:00 3.00 DRILL P PROD1 DIRECTIONAL DRILL 4-1/8"LATERAL HOLE SECTION FROM 11030'MD TO 11080'MD(50' IN 3 HRS= 17 FPH);2.7 BPM,3080 PSI FREE SPIN,3100-3200 PSI CIRCULATING,5-6 KLBS DHWOB, MW IN/OUT=9.5 PPG, ECD= 10.8 PPG, IA/OA=200/25 PSI. PERFORM BHA WIPER TRIPS AS NECESSARY. LOSSES TO FORMATION WHILE DRILLING=3 BPH. VERY ERRATIC DRILLING, DIFFICULTY SLIDING. DRILLING AHEAD AT-9 TO-15 KLBS COIL WEIGHT. PUMP 15 BBL AND 10 BBL HI-VIS SWEEPS WITH NO NOTED IMPROVEMENT IN DRILLING. 03:00 - 04:00 1.00 DRILL P PROD1 DIRECTIONAL DRILL 4-1/8"LATERAL HOLE SECTION FROM 11080'MD TO 11150'MD(70' IN 1 HR=70 FPH);2.7 BPM,3080 PSI FREE SPIN,3450-3700 PSI CIRCULATING,3-5 KLBS DHWOB, MW IN/OUT=9.5 PPG, ECD= 10.8 PPG, IA/OA=200/40 PSI. PERFORM BHA WIPER TRIPS AS NECESSARY. LOSSES TO FORMATION WHILE DRILLING=3 BPH. LOGS SHOW TRANSITION FROM HIGH GR RESPONSE TO LOW GR RESPONSE AT 11080' MD TO CORRESPOND WITH NOTED IMPROVEMENT IN ROP. STILL HAVING DIFFICULTIES WITH SLIDING. 04:00 - 08.30 4.50 DRILL P PROD1 COMPLETE PLANNED WIPER TRIP FROM 11150'MD TO WINDOW AT 9109'MD. 34 KLBS PICKUP WEIGHT OFF BOTTOM. NO MAJOR HOLE ISSUES ON TRIP OUT. OPEN EDC AT WINDOW AND JET LINER UP TO TUBING TAIL AT 3.5 BPM,3230 PSI. CLOSE EDC BACK AT WINDOW AND RUN BACK IN HOLE TO PREVIOUSLY DRILLED MD AT 11150'MD. 08:30 - 10:30 2.00 DRILL P PROD1 BACK ON BOTTOM,GET SLOW PUMP PRESSURES WITH BOTH PUMPS. DRILL TO 11245 FT. DISPLACE WELL TO NEW 9.5 PPG POWERPRO MUD SYSTEM DDURING 11150' TO 11245' INTERVAL DUE TO DIFFICULTIES SLIDING. OBSERVE NOTICEABLE IMPROVEMENT IN DRILLING-ABLE TO DRILL AHEAD WITH+COIL WEIGHT. Printed 11/26/2012 11:00:11AM _.^ ";i.�Y'wzv-r,r=err zrie.,N vy :i-q North America-ALASKA BP • Page 18 of 24 Operation Summary Report Common Well Name: P-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 End Date: 11/10/2012 1X3-01235-C:DRILL(3,099,327.00) Project:Prudhoe Bay Site: PB P Pad Rig Name/No.:NORDIC 2 Spud Date/Time:4/24/1991 12:00:OOAM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum:P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations _ (hr) (ft) 10:30 - 11:45 1.25 DRILL N SFAL 11,245.00 PROD1 OUT MM AND BYPASS LINE APPEARS TO BE 1 PLUGGING OFF. PULL UP THROUGH WINDOW AND TROUBLESHOOT. 11:45 - 12:45 1.00 DRILL N SFAL 11,245.00 PROD1 PUMP BACK THROUGH OUT MM AND BYPASS LINE,PRESSURE UP AND PURGE LINE OF SOLIDS. PUMP 1 B/U AFTER CLEARING LINE. 12:45 - 14:00 1.25 DRILL N SFAL 11,245.00 PROD1 RIH THROUGH WINDOW,CLEAN PASS. RIH TO BOTTOM AT 1 BPM PUMP RATE. SET DOWN WEIGHT AT END OF BUILD, CYCLE PIPE 2 TIMES AND POP THROUGH. SLOW PUMP RATES AT 11100'MD,9.5 PPG: MP#1: 0.5 BPM=1359 PSI,1 BPM=1620 PSI MP#2: 0.5 BPM=1379 PSI,1 BPM=1626 PSI 14:00 - 19:00 5.00 DRILL P PROD1 DRILL FROM 11245 FT. INITIAL ROP IS AROUND 100 FT/HR WITH 3.3K DWOB. 2.73/2.74 BPM©3200 PSI FREE SPIN. ECD =10.78 PPG. PVT=390 BBLS. DIFFICULT SLIDING PAST 11260 FT. DRILL TO 11400 FT 19:00 - 22:00 3.00-- DRILL- P PROD1 PERFORM PLANNED WIPER TRIP FROM 11400'MD TO 5-1/2"LINER WINDOW AT 9109' MD;25 FPM,2.7 BPM,2975 PSI,PICKUP WEIGHT OFF BOTTOM=35 KLBS. NO MAJOR HOLE ISSUES ENCOUNTERED. HOLD KICK WHILE TRIPPING DRILL AND AAR. GREAT RESPONSE BY CREW IN SECURING THE WELL IN<2 MIN. HOLD DISCUSSION ABOUT SHUT-IN EVENT AT BEGINNING OF THIS WELL AND TABLETOP DRILL ON LINING UP TO MGS AND INITIATING DRILLER'S METHOD CIRCULATION. 22:00 - 00:00 2.00 DRILL P PROD1 DIRECTIONAL DRILL 4-1/8"LATERAL HOLE SECTION FROM 11400'MD TO 11520'MD(120' IN 1 HRS=60 FPH);2.7 BPM,3000 PSI FREE SPIN,3100-3300 PSI CIRCULATING,2-3 KLBS DHWOB,MW IN/OUT=9.5 PPG, ECD=10.8 PPG,IA/OA=320/40 PSI. PERFORM BHA WIPER TRIPS AS NECESSARY. LOSSES TO FORMATION WHILE DRILLING=2 BPH. INTERSECT PLANNED FAULT#4 AT—11400' MD WITH NO INCREASE IN LOSSES. Printed 11/26/2012 11:00:11AM North America -ALASKA- BP Page 19 of 24 Operation Summary Report Common Well Name: P-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 End Date: 11/10/2012 X3-01235-C:DRILL(3,099,327.00) Project:Prudhoe Bay Site: PB P Pad Rig Name/No.:NORDIC 2 Spud Date/Time:4/24/1991 12:00:00AM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum: P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 11/8/2012 00:00 - 02:00 2.00 DRILL P PROD1 DIRECTIONAL DRILL 4-1/8"LATERAL HOLE SECTION FROM 11520'MD TO 11550'MD(30' IN 1 HR=30 FPH);2.7 BPM,3000 PSI FREE SPIN,3150-3350 PSI CIRCULATING,2-3 KLBS DHWOB, MW IN/OUT=9.5 PPG, ECD= 10.9 PPG, IA/OA=325/40 PSI. PERFORM BHA WIPER TRIPS AS NECESSARY. LOSSES TO -FORMATION WHILE DRILLING=0-2 BPH. PUMP(1) 15 BBL HI-VIS SWEEP WITH NO IMPROVMENT IN DRILLING OR INCREASE IN CUTTINGS AT SHAKERS OBSERVED. ADD 4 DRUMS LUBE776 AND 4 DRUMS LOTORQ TO INCREASE LUBRICANTS IN SYSTEM TO 6%. 02:00 - 05:30 3.50 DRILL P PROD1 PERFORM PLANNED WIPER TRIP FROM 11550'MD TO 5-1/2"LINER WINDOW AT 9109' MD;25 FPM, PICKUP WEIGHT OFF BOTTOM= 35 KLBS.SLACKOFF= 16 KLBS. OPEN EDC ATWINDOW. JET LINER UP TO TUBING TAIL AT 6864'MD;3.5 BPM,3075 PSI. RETURN TO WINDOW AND CLOSE EDC. RUN IN HOLE TO PREVIOUSLY DRILLED DEPTH AT 11550'MD. / LOG TIE-IN AT 9115'MD FOR DEPTH ✓ CONTROL AND APPLY+6'CORRECTION. 05:30 - 08:00 2.50 DRILL P PROD1 DIRECTIONAL DRILL 4-1/8"LATERAL HOLE SECTION FROM 11550'MD TO 11621'MD WELL TOTAL DEPTH(71' IN 2 HRS=35 FPH): 2.7 BPM.3065 PSI FREE SPIN.3300-3350 PSI CIRCULATING.3-4 KLBS DHWOB. MW IN/OUT =9.5 PPG. ECD= 10.9 PPG. IA/OA=350/45 PSI. PERFORM BHA WIPER TRIPS AS NECESSARY. LOSSES TO FORMATION WHILE DRILLING=0-2 BPH. TD CALLED EARLY BY GEOLOGISTS DUE TO RESISTIVITES DROPPING FROM 10- 12 OHM-M TO 7.5 OHM-M. ORIGINAL PLANNED TD= 12,000'MD. 08:00 - 09:20 • 1.33 DRILL P PROD1 CONDITION WELL FOR RUNNING LINER. WIPER TRIP BACK TO WINDOW. SEVERAL MINOR TIGHT SPOTS NOTED. TIE-IN DEPTH AT WINDOW. CORRECT+2.5 FT. 09:20 - 10:40 1.33 DRILL P PROD1 RIH TO BOTTOM. MINOR WEIGHT STACKING AT END OF BUILD AND OTHER SHALES NEAR THAT DEPTH. WELL IS CLEAN AFTER 10000 FT. TAG BOTTOM AT 11618'MD,8931'TVDSS, 9017'ND OFFICIAL TD. 10:40 - 12:00 1.33 DRILL P PROD1 PUMP 15 BBLS HI-VIS PILL AROUND AT TD. NO EXTRA CUTTINGS RETURNED WITH PILL. 12:00 - 15:00 3.00 DRILL N FLUD 11,618.00 PROD1 CONTINUE CIRCULATE IN OPEN HOLE,WAIT FOR LINER PILL TO ARRIVE. Printed 11/26/2012 11:00:11AM a : • .�="North America -ALASKA- BPS . • Page 20 of 24 Operation Summary Report Common Well Name:P-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 End Date: 11/10/2012 X3-01235-C:DRILL(3,099,327.00) Project: Prudhoe Bay Site: PB P Pad Rig Name/No.: NORDIC 2 Spud Date/Time:4/24/1991 12:00:00AM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum: P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 15:00 - 15:30 0.50 DRILL N DFAL 11,618.00 PROD1 PINHOLE IS HEARD AT THE CT RISER,THEN OBSERVED AS ITS PULLED THROUGH THE STRIPPER. PIPE IS RUN BACK IN TO PLACE PINHOLE BELOW THE STRIPPER. NOTIFY CTD SUPT. PJSM WITH RIG CREW FOR RECOVERING PIPE. 15:30 - 17:40 2.17 DRILL N DFAL 11,618.00 PROD1 PUMP ACROSS TOP, HOLD 200-300 PSI WHP THEN INCREASE TO 500 PSI. PVT=267 BBLS. SPOOL CT BACK TO REEL CAREFULLY. INSPECT PINHOLE AT REEL,APPEARS TO BE ABOUT 1 CM SPLIT ON BOTTOM. INSTALL SPOOLABLE MUFFLER CLAMP. CONTINUE SPOOLING PIPE UP CAREFULLY. 17:40 - 17:50 0.17 DRILL P PROD1 PULL THROUGH WINDOW AND SHUT IN WELL,MONITOR PRESSURE. PVT=256 BBLS,TRIP SHEET IS+2 BBLS FOR THE TRIP FROM TD. INITIAL SHUT IN PRESSURE IS 30 PSI. 17:50 - 18:30 0.67 DRILL P PROD1 FLOWCHECKWELLATWINDOW. WELL EXHALES<1 BBL IN 30 MINS AS EXPECTED (PER OPS CHANGE NOTICE#6 PLAN FORWARD). 18:30 - 21:30 3.00 DRILL P PROD1 PULL OUT OF HOLE FROM WINDOW AT 9109' MD TO BHA AT 82'MD;60 FPM,1 BPM DOWN BACKSIDE TO MAINTAIN HOLE FILL. MAINTAIN 300-400 PSI BACKPRESSURE WITH CHOKE FOR PURPOSES OF FORCING HOLE FILL DOWN BACKSIDE OF PIPE. BOTTOMHOLE PRESSURE MONITORED WITH PWD DURING TRIP TO CONFIRM 9.5 PPG EMW AT BIT. 21:30 - 22:15 0.75 DRILL P PROD1 FLOWCHECK WELL AT BHA. WELL EXHALES <1 BBL IN 30 MIN WELL EXHALES<1 BBL IN 30 MINS AS EXPECTED(PER OPS CHANGE NOTICE#6 PLAN FORWARD). EXHALE MEASURED INTO FIVE GAL BUCKETS TO CONFIRM DECREASING FLOW. 22:15 - 23:00 0.75 DRILL P PROD1 UNSTAB FROM WELL AND SETBACK IN JECTOR. BLOWDOWN BHA AND LAYDOWN SAME. GRADE BIT 1-1. CLOSE SWAB AND MASTER VALVES. 23:00 - 00:00 1.00 DRILL N DFAL 11,618.00 PROD1 CIRCULATE THROUGH MUD GAS SEAPARTOR TO CLEANOUT. DISPLACE 2-3/8"COILED TBING REEL TO WATER IN PREPARATION FOR BLOWING DOWN. 11/9/2012 00:00 - 01:00 1.00 DRILL N DFAL 11,618.00 PROD1 COMPLETE DISPLACING REEL TO FRESH WATER. MIRU SLB N2 CREW AND PRESSURE TEST LINES PER LEAK TIGHT CRITERIA FOR TEMPORARY LINES. Printed 11/26/2012 11:00:11AM North America-ALASKA- BP � Page 21 of 2a Operation Summa Report Common Well Name:P-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 End Date: 11/10/2012 X3-01235-C:DRILL(3,099,327.00) Project: Prudhoe Bay Site: PB P Pad Rig Name/No.: NORDIC 2 Spud Date/Time:4/24/1991 12:00:OOAM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum:P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 01:00 - 03:00 2.00 DRILL N DFAL 11,618.00 PROD1 ADD CORROSION INHIBITOR TO FRESH WATER IN COIL. CHASE FRESH WATER IN COIL WITH 10 BBLS METHANOL. FOLLOW METHANOL WITH NITROGEN TO BLOWDOWN REEL FOR TRANSPORT. DISPLACE ALL FLUIDS TO FLOWBACK TANK. -CHECK WELL PRESSURE AT WING VALVE(0 PSI). OPEN SWAB AND CONFIRM FLUID LEVEL IS IN BOP STACK. CLOSE SWAB VALVE AND INSTALL NIGHT CAP FOR PULLING COIL ACROSS. 03:00 - 06:00 3.00 DRILL N DFAL 11,618.00 PROD1 INSTALL GRAPPLE AND PULL COIL ACROSS FROM RIG FLOOR TO REEL HOUSE. SECURE WITH SHIPPING BAR ON REEL FOR TRANSPORT. RIG DOWN HARDLINE IN REEL. 06:00 - 09:30 3.50 DRILL N DFAL 11,618.00 PROD1 LOWER REEL FROM REEL HOUSE TO TRANSPORT TRUCK(RUNNING FOOTAGE FOR PINHOLED REEL=437K, FAILURE DEPTH=8001',COIL FATIGUE AT 8001' FAILURE POINT=23%, MAX COIL FATIGUE= `1v 46%AT 11046', SEE ATTACHED CCAT REEL (V LIFE DIAGRAM). PICKUP NEW REEL FROM TRUCK INTO REEL HOUSE. NEW REEL=2-3/8"E-LINE COILED TUBING REEL#32915-E,15,796' IN LENGTH, 59.6 BBLS VOLUME, NO RUNNING FOOTAGE. OPEN SWAB. FILL WELL WITH 4 BBLS. 09:30 - 11:30 2.00 DRILL N DFAL 11;618.00 PROD1 WAIT ON SLB WELDER TO ARRIVE TO RE-WELD REEL BUSHINGS IN PLACE FILL WELL WITH 3 BBLS. 11:30 - 13:00 1.50 DRILL N DFAL 11,618.00 PROD1 SLB WELDER ARRIVES. PJSM THEN RE-WELD REEL BUSHINGS. 13:00 - 17:00 4.00 DRILL N DFAL 11,618.00 PROD1 INSTALL INNER REEL HARDLINE INSTALL PRESSURE BULKHEAD. 17:00 - 19:00 2.00 DRILL N DFAL 11,618.00 PROD1 INSTALL GRAPPLE AND PULL 2-3/8"COIL ACROSS FROM REEL HOUSE TO INJECTOR. FUNCTION TEST E-LINE(PASS). 19:00 - 19:30 0.50 DRILL N DFAL 11,618.00 PROD1 INSTALL SLB EXTERNAL DIMPLE COILED TUBING CONNECTOR AND PULL TEST TO 40 KLBS. FILL WELL WITH 1 BBL. 19:30 - 20:30 1.00 DRILL N DFAL 11,618.00 PROD1 BAKER INTEQ INSTALL E-LINE HEAD AND TEST CONTINUITY(PASS) 20:30 - 22:00 1.50 DRILL N DFAL 11,618.00 PROD1 CLOSE SWAB VALVE,STAB ON WELL WITH INJECTOR AND FILL COIL WITH FRESH WATER. Printed 11/26/2012 11:00:11AM North America -ALASKA- BP Page 22 of 24 Operation Summary Report Common Well Name: P-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 I End Date: 11/10/2012 X3-01235-C:DRILL(3,099,327.00) Project: Prudhoe Bay Site: PB P Pad Rig Name/No.: NORDIC 2 Spud Date/Time:4/24/1991 12:00:OOAM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum: P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth I Phase Description of Operations (hr) (ft) 122:00 - 00:00 2.00 BOPSUR N DFAL 11 618.00 I, PROD1 PRESSURE TEST INNER REEL VALVE, E-LINE BULKHEAD, PACKOFF AND BALL DROP TO 250 PSI LOW AND 3500 PSI HIGH FOR FIVE MIN EACH. INSTALL BLANK SUB ON END OF COIL. PRESSURE TEST COIL CONNECTOR TO 250 PSI LOW AND 3500 PSI HIGH FOR FIVE MIN EACH. INSTALL DFCVS IN UPPER QUICK CONNECT. PRESSURE TEST DFCVS TO 250 PSI LOW AND 3500 PSI HIGH FOR 5 MIN EACH. ALL PASSING TESTS,SEE ATTACHED CHARTS. 11/10/2012 00:00 - 01:30 1.50 DRILL N DFAL 11,618.00 PROD1 MAKEUP 4-1/8"CLEANOUT ASSEMBLY(BHA #4 FOR WELL, SAME BHA AS FINAL DRILLING BHA)AND SCRIBE IN HOLE TO 68'BHA OAL. STAB ON WELL WITH INJECTOR AND PRESSURE TEST QUICK TEST SUB TO 250 PSI LOW AND 3500 PSI HIGH FOR FIVE MIN EACH(PASSING TEST). SHALLOW TEST EDC AND MWD TOOLS. -3-3/4"X 4-1/8"HUGHES RWD2ST3053.750QF BI-CENTER BIT, SER#7030719 RE-RUN FROM BHA#2&3 -1.1°BENT ULTRA LOW SPEED MUD MOTOR -3"COILTRAK TOOLS.NO RESISTIVITY DISPLACE COIL FROM FRESH WATER TO 9.4 PPG POWERPRO MUD WHILE MAKING UP BHA. 01:30 - 05:30 4.00 DRILL N DFAL 11,618.00 PROD1 RUN IN HOLE ON MUD GAS SEPARATOR WITH CLEANOUT ASSEMBLY FROM BHA AT 68'MD TO WINDOW AT 9109'MD;2.5 BPM IN THROUGH OPEN EDC.9.4 PPG MW IN,90 FPM,TRIP SHEET=-20 BBLS AT WINDOW. OBSERVE GAS CUT RETURNS FOR MAJORITY OF TRIP IN HOLE. MINIMUM MW OUT=9.1 PPG. LOG TIE-IN AT 9115'MD FOR DEPTH CONTROL AND APPLY+7'CORRECTION CLOSE EDC AT WINDOW AND CONTINUE IN HOLE;25 FPM,2.7 BPM,3185 PSI, MW IN=9.4 PPG,9.3 PPG OUT, ECD= 10.8 PPG. SLACKOFF WEIGHT= 16 KLBS, PICKUP=33 KLBS. TAG BOTTOM AT 11618'MD(SAME AS ORIGINAL TD OF 11618'MD). TOTAL LOSSES TO WELLBORE ON TRIP IN HOLE=27 BBLS. MINOR HOLE ISSUES NOTED AT 11040'-11070' MD, 11195'-11200'MD,112880'-11290'MD, 11560-11570'MD(SHALE INTERVALS) Printed 11/26/2012 11:00:11AM 0 North America-ALASKA- BP Page 23 of 24 i O erat on Summary Report Common Well Name:P-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 End Date: 11/10/2012 X3-01235-C:DRILL(3,099,327.00) Project:Prudhoe Bay Site: PB P Pad Rig Name/No.: NORDIC 2 Spud Date/Time:4/24/1991 12:00:00AM Rig Release: 11/13/2012 Rig Contractor: NORDIC CALISTA UWI: Active Datum:P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 05:30 - 06:30 1.00 DRILL N DFAL 11,618.00 PROD1 PERFORM WIPER TRIP FROM TD AT 11618' MD TO 11000'MD(ABOVE TROUBLE SPOTS) WHILE CIRCULATING A BOTTOMS UP;25 FPM,2.7 BPM,3185 PSI, HIGHSIDE TOOLFACE. NO OVERPULLS ON UP PASS. RETURN TO TD. 1 NOTE: END NPT FOR COIL PINHOLE AT THIS TIME INTERVAL WHEN RIG IS BACK ON BOTTOM AND STARTING TO LAY IN LINER RUNNING PILL. 06:30 - 07:50 1.33 DRILL P PROD1 PULL OUT OF HOLE FROM WELL TOTAL DEPTH AT 11618'MD; LAYING IN 42 BBLS 9.4 PPG LINER RUNNING PILL WITH ALPINE BEADS IN OPEN HOLE SECTION. SOME MINOR TIGHT SPOTS SEEN PULLING THROUGH SHALES. HOLD 300 PSI WHP WHILE LAYING IN LINER PILL. 07:50 - 08:30 0.67 DRILL P PROD1 PULL THROUGH WINDOW TO 9050 FT AND CIRC B/U FROM THERE. TRIP SHEET IS-8 BBLS FROM TD TO THIS POINT. PVT=271 BBLS. ECD=10.75 PPG AT 2.60 BPM. GETTING GAS CUT MUD BACK, IN/OUT IS 9.40 /6.15 PPG. NO PIT GAIN. 08:30 - 09:25 0.92 DRILL P PROD1 PUMP 1 BOTTOMS UP,STILL GETTING GAS CUT MUD BACK. INCREASE BACK PRESSURE TO 200 PSI. LOWER PUMP RATE TO 1.0 BPM TO ALLOW GAS TO BREAK OUT OF MUD EASIER. PVT=269 BBLS. ECD= 10.70 PPG. 09:25 - 11:10 1.75 DRILL P PROD1 DISCUSS SITUATION WITH CTD SUPT. DECIDE TO PULL UP TO 8800 FT AND CIRCULATE B/U FROM THERE. PVT=266 BBLS, ECD=10.68 PPG,WHP=210 PSI. 9.35/5.98 PPG MUD IN/OUT. 11:10 - 11:30 0.33 DRILL P PROD1 SHUT DOWN PUMP,SHUT IN WELL. PVT=262 BBLS. AFTER 20 MIN WHP IS AT 420 PSI,ECD=10.60 PPG. WITH WELL SHUT IN FLUSH OUT MM WITH CLEAN MUD TO ENUSRE ITS READING PROPERLY. READING CORRECTLY,9.31 PPG OUT 11:30 - 13:20 1.83 DRILL P PROD1 LINE UP THROUGH MGS,CONTINUE CIRCULATION AT 1 BPM,300 PSI WHP. PVT=261 BBLS. ECD=10.91 PPG. IN/OUT IS 9.37/9.31 PPG. 13:20 - 15:40 2.33 DRILL P PROD1 OPEN CHOKE UP WHILE CIRCULATING. PVT=253 BBLS. MUD SCALE INDICATES 9.4 PPG MUD IN AND OUT. ECD=10.44 PPG,1.03/1.33 BPM. CIRCULATE AT 8820 FT. Printed 11/26/2012 11:00:11AM North America -ALASKA- BP Page 24 of 24 Operation Summary Report Common Well Name.P-12 AFE No Event Type: RE-ENTER-ONSHORE(RON) Start Date: 10/28/2012 End Date: 11/10/2012 X3-01235-C:DRILL(3,099,327.00) Project: Prudhoe Bay Site: PB P Pad Rig Name/No.: NORDIC 2 Spud Date/Time:4/24/1991 12:00:00AM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum: P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 15:40 - 17:00 1.33 DRILL P PROD1 SHUT DOWN PUMP, FLOW CHECK WELL AFTER B/U+30 BBLS. INITIAL PVT=259 BBLS. INITIAL BHP=4550 PSI. WELL FLOWS BACK 2.4 BBLS IN 1 HR ON EXHALE TEST. FLOW IS CONFIRMED DECREASING TO A TRICKLE. START POOH. 17:00 - 19:00 2.00 DRILL P PROD1 POOH. FLAG PIPE AT 6650 FT AND 4200 FT EOP. PUMP OUT OF HOLE, MAKE OUT RATE 0.5 BPM TO MINIMIZE ECD. 19:00 - 23:00 4.00 DRILL P PROD1 STAGE DOWN PUMPS FROM 1 BPM TO 0 BPM AT SURFACE. FLOWCHECK WELL PRIOR TO BHA ENTERING STACK. WELL SHOWS SIGNS OF RELAXING(FLUID SPITTING OUT OF FLOWLINE). MONITOR FLOWBACK IN FIVE GALLON BUCKETS. WELL EXHALES—1 BBL IN-3 HOURS WITH DRAMATICALLY DECREASING FLOWRATE. SHUT HAND CHOKE AND MONITOR PRESSURE BUILDUP FOR 15 MIN(NO PRESSURE INCREASE). OPEN HAND CHOKE AND CHECK FOR FLOW. NO FLOW. 23:00 - 00:00 1.00 DRILL P PROD1 UNSTAB INJECTOR,BLOWDOWN BHA AND SETBACK INJECTOR ON RIG FLOOR. LAYDOWN 4-1/8"CLEANOUT ASSEMBLY. GRADE BIT 1-1. CLOSE SWAB IN PREPARATION FOR COIUE-LINE MANAGEMENT. DISPLACE COIL TO 110°F FRESH WATER IN PREPARATION FOR PUMPING SLACK FORWARD. PRESSURE TEST BAKER THROUGH TUBING DUAL BACK PRESSURE VALVES TO 250 PSI LOW AND 3500 PSI HIGH FOR FIVE MIN EACH (PASS,SEE ATTACHED CHART). DRILLING PERFORMANCE: 12.18 ACTUAL DAYS/2.5K(AFE P50 TARGET= 7.93 DAYS/2.5K,PERFORMANCE TARGET= 4.1 DAYS/2.5K) DAYS ON LOCATION THROUGH RON EVENT: 14 ACTUAL DOL(AFE P50 TARGET-12.5 DOL, PERFORMANCE TARGET=7.43 DOL) END RON EVENT WITH NORDIC 2 CTD RIG AT 23:59 ON 11/11/12. BEGIN COMPLETION EVENT. Printed 11/26/2012 11:00:11AM North America -ALASKA- BP Page 1 of 5 Operation Summary Report Common Well Name:P-12 AFE No Event Type:COM-ONSHORE(CON) Start Date: 11/11/2012 End Date: 11/13/2012 X3-01235-C:DRILL(1,630,202.00) Project: Prudhoe Bay Site: PB P Pad Rig Name/No.: NORDIC 2 Spud Date/Time:4/24/1991 12:00:00AM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum: P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 11/11/2012 00:00 - 00:30 0.50 CASING P RUNPRD BEGIN CON EVENT WITH NORDIC 2 CTD RIG AT 00:00 HRS ON 11/11/2012 PUMP E-LINE SLACK FORWARD. 350' RECOVERED VS 360'IN COIL. 00:30 - 01:00 0.50 CASING P RUNPRD INSTALL BTT EXTERNAL SLIP-TYPE COILED TUBING CONNECTOR. PULL TEST TO 40 KLBS AND LEAK-TIGHT PRESSURE TEST. RIG CREW RIG UP FLOOR FOR RUNNING LINER. 01:00 - 02:00 1.00 CASING P RUNPRD CIRCULATE AROUND 3/4"DRIFT BALL. CATCH BALL AT 67.3 BBLS VS CALCULATED COIL VOLUME OF 59.6 BBLS. 02:00 - 02:30 0.50 CASING P RUNPRD HOLD PRE-JOB SAFETY MEETING WITH ALL ON LOCATION FOR RUNNING LINER. CHECK - CONFIGURATION OF 2-3/8"SAFETY JOINT. OPEN SWAB VALVE. FLUID LEVEL IS IN BOP STACK. 02:30 - 06:30 4.00 CASING P RUNPRD MAKEUP AND RUN IN HOLE WITH + PRODUCTION LINER JOINTS FROM t(0 SURFACE. 06:30 - 07:00 0.50 CASING P RUNPRD .SHIFT CHANGE AND RIG WALKAROUNDS. VERIFY LINER COUNT AND SAFETY JOINT CROSSOVERS WITH DRILLER,WSL, TOOLPUSHER,AND BAKER TOOL REP. PJSM WITH DAY SHIFT FOR RUNNING LINER. 07:00 - 11:10 4.17 CASING P RUNPRD CONTINUE MAKE UP SLOTTED/SOLID LINER COMPLETION. PERFORM KICK WHILE TRIPPING DRILL. SAFETY JOINT IS PICKED UP AND MADE UP TO LINER STRING IN<1 MIN. CONTINUE MAKE UP SLOTTED/SOLID LINER COMPLETION. 0 GAIN IN PITS SINCE 06:30 WITH 42 JTS OF 3-1/2"LEFT TO RUN. WELL IS TAKING FLUID ROUGHLY EQUAL WITH PIPE DISPLACEMENT RATE. 11:10 - 12:00 0.83 CASING P RUNPRD ON JOINT#115 OUT OF 152 TOTAL MUD IS SEEN SEEPING OVER THE TOP OF THE JOINT THAT IS IN THE STACK. AFTER WATCHING FOR A FEW MINUTES WITH THE JOINT STATIONARY,FLOW DOES NOT DIMINISH. PICK UP 2-3/8"SAFETY JOINT WITH FOSV AND TORQUE UP TO TOP OF 3-1/2"LINER. RIH TO PLACE SAFETY JOINT ACROSS BOP STACK. CLOSE UPPER 2-3/8"PIPE/SLIP COMBIS AND FOSV AS PER STANDING ORDERS, LEAVE HCR OPEN TO PITS TO MONITOR ANY FLOW THERE. MONITOR WELL FOR FLOW,NOTHING SEEN. • Printed 11/26/2012 11:00:27AM North America -ALASKA- BP Page 2 of 5 Operation Summary Report Common Well Name:P-12 AFE No Event Type:COM-ONSHORE(CON) Start Date: 11/11/2012 End Date: 11/13/2012 X3-01235-C:DRILL(1,630,202.00) Project:Prudhoe Bay Site:PB P Pad Rig Name/No.:NORDIC 2 Spud Date/Time:4/24/1991 12:00:00AM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum: P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 12:00 - 15:30 3.50 CASING P RUNPRD OPEN FOSV, NO FLOW SEEN. NO FLOW AT SHAKERS THROUGHOUT MONITORING PERIOD. OPEN PIPE/SLIPS,LAY DOWN SAFETY JOINT. VERIFY FLUID LEVEL IS STILL IN STACK. CONTINUE MAKE UP REMAINING 3-1/2" —LINER. MAKE UP 2 JOINTS OF PH6, DBPV,3/4" DISCONNECT. BHAEOAL=4840.2 FT. 15:30 - 16:10 0.67 CASING P RUNPRD M/U CT RISER. PRESSURE TEST QTS CONNECTION,GOOD. 16:10 - 19:00 2.83 CASING P RUNPRD RUN IN HOLE WITH PRODUCTION LINER AT 50 FPM TO LIMIT SURGE PRESSURE;0.5 BPM,1355 PSI. CORRECT DEPTH AT FIRST FLAG(+4')WHEN LINER IS AT WINDOW. CONTINUE INTO OPENHOLE AND RUN LINER TO BOTTOM AT 11611'MD UNCORRECTED (PLANNED LANDING DEPTH,WELL TD= 11618'MD). SECOND FLAG PASS AT 11493' MD(VS CALCULATED 11490'MD). CONFIRM LINER ON BOTTOM BY PICKING UP AND SETTING DOWN THREE TIMES. FINAL PICKUP WEIGHT=51 KLBS,SLACKOFF= 17 KLBS. 19:00 - 20:00 1.00 CASING P RUNPRD STACK 10 KLBS DOWN ON LINER AND STAGE UP PUMPS TO 1.7 BPM,2230 PSI TO RELEASE GS SPEAR. PICKUP TO CONFIRM OFF LINER. NEW PICKUP WEIGHT=21 KLBS (30 KLBS LIGHTER). PICKUP 10'ABOVE TOL AND RESTABLISH CIRCULATION AT 0.7 BPM, 1420 PSI WHILE ARRANGING PITS FOR DISPLACEMENT. TOP OF 2-7/8"SOLID/SLOTTED X 3-1/4"X 3-1/2"PROD LINER=6853'MD LINER SET DEPTH=11618'MD(ASSUMED TO BE SET AT WELL TOTAL DEPTH) ZONE 4 SLOTTED INTERVALS: 9861'-10311' MD, 10413'-10983'MD 11087'-11600'MD 20:00 - 21:00 1.00 CASING P RUNPRD DISPLACE WELL ABOVE 6853'TOL FROM 9.4 PPG 90K LSRV POWERPRO MUD TO 9.3 PPG NACL BRINE;2.2 BPM,FINAL CIRC PRESSURE=2140 PSI. 21:00 - 21:30 0.50 CASING P RUNPRD AT END OF DISPLACEMENT,SHUT DOWN PUMPS AND FLOWCHECK. WELL SHOWS SIGNS OF BREATHING. CLOSE HAND CHOKE AND MONITOR PRESSURE BUILDUP TO 175 PSI IN 10 MIN. Printed 11/26/2012 11:00:27AM North America -ALASKA- BP Page 3 of 5 Operation Summary Report Common Well Name: P-12 AFE No Event Type:COM-ONSHORE(CON) Start Date: 11/11/2012 End Date: 11/13/2012 X3-01235-C:DRILL(1,630,202.00) Project:Prudhoe Bay Site:PB P Pad Rig Name/No.:NORDIC 2 Spud Date/Time:4/24/1991 12:00:00AM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum:P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 21:30 - 00:00 2.50 CASING P RUNPRD RE-ESTABLISH CIRCULATION THROUGH MUD GAS SEPARATOR AND CIRCULATE ONE BOTTOMS UP WITH BRINE WHILE HOLDING 175 PSI ON WELLHEAD;0.75 BPM IN,0.75 BPM OUT,450 CIRC PSI,9.35 MW IN/OUT AT END OF BOTTOMS UP. OPEN CHOKE 100%WHILE MAINTAINING CIRCULATION FOR SECOND BOTTOMS UP. OBSERVE INSTANT 1 BBL EXHALE. INCREASE PUMP RATE TO 1.1 BPM FOR SECOND BOTTOMS UP. OUT RATE INITIALLY BEGINS AT 1.2 BPM OUT,THOUGH STABILIZES TO MATCH IN RATE OF 1.1 BPM —30 MINUTES INTO BOTTOMS UP. TOTAL PIT GAIN FROM WELL EXHALE DURING SECOND BOTTOMS UP WITH NO BACK PRESSURE=2 BBLS. THIS CIRCULATION COMPLETED AT 00:30 ON 11/12/12. 11/12/2012 00:00 - 00:30 0.50 CASING P RUNPRD COMPLETE DISPLACEMENT OF WELL TO NACL. TIME INTERVAL DETAILS ARE IN 21:30 TO 00:00 TIME SUMMARY ON 11/11/12. 00:30 - 01:00 0.50 CASING P RUNPRD FLOWCHECK WELL AT TOP OF LINER. 01:00 - 02:30 1.50--- CASING P RUNPRD~-PULL OUT OF HOLE WITH LINER RUNNING TOOLS FROM TOP OF LINER AT 6853'MD TO BHA AT 75'MD;100 FPM,1.1 BPM IN,0.5 BPM OUT,TRIP SHEET EVEN FOR TRIP. 02:30 - 03:00 0.50 CASING P RUNPRD STAGE DOWN PUMPS FROM 1 BPM TO 0 BPM. FLOWCHECK WELL. WELL DEAD AFTER 5 MIN. CONTINUE TO MONITOR FOR ADDITIONAL 15 MIN. 03:00 - 03:30 0.50 CASING P RUNPRD UNSTAB FROM WELL AND SETBACK INJECTOR ON RIG FLOOR. LAYDOWN LINER RUNNING TOOLS AND SHUT SWAB VALVE. 03:30 - 05:00 1.50 WHSUR P POST MAKEUP 9'NOZZLE ASSEMBLY TO COIL AND STAB ONTO WELL WITH INJECTOR. PRESSURE TEST QUICK TEST SUB TO 250 PSI LOW AND 3500 PSI HIGH FOR FIVE MIN EACH(PASS). MIRU LITTLE RED PUMP TRUCK. HEAT DIESEL, PRESSURE TEST LINES TO 250 PSI LOW AND 2000 PSI HIGH FOR FIVE MIN EACH PER LEAK-TIGHT CRITERIA(PASSING TESTS. 05:00 - 07:00 2.00 WHSUR P POST LITTLE RED PUMP 40 BBLS 75°F 6.8 PPG DIESEL INTO COIL. RIG LINES UP TO BULLHEAD. APPLY 200 PSI TO TOP OF SWAB VALVE. OPEN SWAB VALVE AND BULLHEAD 20 BBLS 9.3 PPG NACL,40 BBLS 6.8 PPG 75°F DIESEL INTO TUBING TO FREEZE PROTECT WELL FROM SURFACE TO 2500'MD/TVD;2 BPM,INITIAL CIRC PRESSURE=2300 PSI, 1170 PSI INITIAL WHP,FINAL CIRC PRESSURE=2625 PSI,FINAL WHP=1620 PSI. SHUT DOWN PUMPS,SHUT SWAB VALVE WITH SHUT-IN PRESSURE OF 1100 PSI. 07:00 - 09:00 2.00 WHSUR P POST PJSM WITH VALVE CREW FOR SETTING BPV. VALVE SHOP CREW GREASES ALL TREE VALVES. Printed 11/26/2012 11:00:27AM North America -ALASKA- BP . Page4 of 5 Operation Summary Report Common Well Name: P-12 AFE No Event Type: COM-ONSHORE(CON) Start Date: 11/11/2012 End Date: 11/13/2012 X3-01235-C:DRILL(1,630,202 00) Project:Prudhoe Bay Site:PB P Pad Rig Name/No.:NORDIC 2 Spud Date/Time:4/24/1991 12.00:OOAM Rig Release: 11/13/2012 Rig Contractor:NORDIC CALISTA UWI: Active Datum:P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) 09:00 - 11:00 2.00 WHSUR P POST LOAD BPV LUBRICATOR ONTO RIG AND MAKE UP EXTENSION BARS. MAKE UP TO CT RISER, PRESSURE TEST 250 /3500 PSI AGAINST CLOSED SWAB AND MASTER VALVE AND CHART,GOOD TEST. SET 4"CAMERON TYPE H BPV. ABOUT 320 PSI ON WELL. —BLEED OFF ABOVE BPV AND MONITOR FOR LEAK TIGHT ISOLATION,GOOD. CLOSE SWAB AND MASTER FOR SECOND BARRIER. 11:00 - 11:30 0.50 WHSUR P POST OFFLOAD BPV LUBRICATOR. 11:30 - 14:30 3.00 RIGD P POST PRESSURE TEST N2 LINES. PICKLE CT THEN PURGE WITH N2. ALLOW IT TO BLEED OFF. 14:30 - 18:00 3.50 RIGD P POST LIFT UP INJECTOR,CUT OFF CT CONNECTOR. INSTALL INTERNAL GRAPPLE AND PULL TEST. PULL CT BACK ACROSS PIPE SHED ROOF AND ONTO REEL,SECURE WITH SHIPPING BAR. .RIG DOWN INJECTOR AND SECURE ON RIG FLOOR FOR MOVE. 18:00 - 21:00 3.00 RIGD P POST SLIP AND CUT 50',10 WRAPS OF 1-1/8"DRILL LINE. EMPTY AND CLEAN PITS. 21:00 - 22:00 1.00 RIGD P POST LOWER 2-3/8"COILED TUBING REEL FROM RIG AND SEND BACK TO SCHLUMBERGER(2" COIL TO BE USED ON NEXT WELL). 22:00 - 22:30 0.50 WHSUR P POST ESTALBISH TREE BARRIERS FOR BREAKING CONTAINMENT WITH LEAK TIGHT TESTING CRITERIA PER WELL PROGRAM(PASS). ✓ 22:30 - 00:00 1.50 BOPSUR P POST OPEN TOT BOP DOORS. INSPECT BLIND-SHEARS(CHANGEOUT BLADE SEAL) AND CHANGEOUT 2-3/8"COIL EQUIPMENT FOR 2"COIL EQUIPMENT(ACTIVITY CONTINUES UNTIL 01:00 ON 11/13/2012). 11/13/2012 00:00 - 02:00 2.00 BOPSUR P POST COMPLETE CHANGING OUT BOP ELEMENTS TO 2"EQUIPMENT IN PREPARATION FOR NEXT WELL. 02:00 - 03:30 1.50 BOPSUR P POST NIPPLE DOWN LUBRICATOR AND 7-1/16"BOP STACK AND SECURE FOR RIG MOVE. PRE-CHARGE PRESSURE ON ALL ACCUMULATOR BOTTLES CHECKED IN ADVANCE FOR NEXT WELL(ALL OK). GENERAL RIG DOWN OPERATIONS IN PREPARATION FOR RIG MOVE. COMPLETE RIG MOVE CHECKLIST. MOVE AUXILLARY EQUIPMENT ON LOCATION TO W PAD. Printed 11/26/2012 11:00:27AM • North America -ALASKA- BP Operation Summary Report Common Well Name: P-12 AFE No Event Type:COM-ONSHORE(CON) Start Date: 11/11/2012 End Date: 11/13/2012 X3-01235-C:DRILL(1,630,202.00) Project: Prudhoe Bay Site: PB P Pad Rig Name/No.: NORDIC 2 Spud Date/Time:4/24/1991 12:00:00AM Rig Release: 11/13/2012 Rig Contractor: NORDIC CALISTA UWI: Active Datum: P-12A @86.59ft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (ft) _ 03:30 - 04:30 1.00 WHSUR P POST INSTALL TREE CAP WITH NEW RING GASKET. PRESSURE TEST TREE CAP TO 250 PSI LOW AND 3500 PSI HIGH FOR FIVE MIN EACH WITH DIESEL(PASSING TESTS,SEE ATTACHED CHARD. RELEASE NORDIC 2 CTD RIG AND END COMPLETION EVENT AT 04:30 ON 11/13/2012. -ALL TREE AND WELLHEAD VALVES LEFT CLOSED TO PRESSURE GAUGES. -FINAL IA/OA=0/0 PSI -TREE/WELLHEAD AND CELLAR CLEAN -WELLWORK TRANSFER PERMIT CLOSED OUT WITH PAD OPERATOR. -WELL HANDOVER COMPLETED WITH WELLS GROUP 16.17 DAYS FROM RIG OPS START TO RIG RELEASE ORIGINAL PERFORMANCE TARGET= 11.34 DAYS ORIGINAL AFE P50 TARGET=16.63 DAYS V Printed 11/26/2012 11:00:27AM f 3ct P-1 z6 t Regg, James B (DOA) M-6 21Z �zzo From: Burnett, Richard D [burnr8@BP.com] Sent: Wednesday, October 31, 2012 9:48 PM To: DOA AOGCC Prudhoe Bay; Regg, James B (DOA) Cc: Daniel, Ryan; Kilfoyle, Jeffery A; Allen, Kenneth W; Egbejimba, Uchenna J; McMullen, John C; Reem, David C; Rossberg, R Steven; Cismoski, Doug A; Sheffrey, Tom (Fircroft); Willingham, James M; Sarber, Greg J; Yeager, Kevin E; Miller, Mike E; Ferguson, Duncan P (FAIR); Cadenhead, Ryan Subject: BOP Usage Report for P-12BL1 10-31-12 Attachments: BOPE Usage Report to AOGCC P-12BL1 10-31-12.docm Jim, Attached please find the BOPE usage form for well P-12BL1. Please let me know if I can answer any questions or if you need any further clarification. Thanks, Rich Rich Burnett Operations Superintendent RWO/CTD +1 (907) 659-5329 (Office - slope) +1 (907) 748-5821 (Cell Phone) Harmony 2157 Alternate: Greg Sarber 1 Blow Out Preventer Equipment ( BOPE ) Usage Report to the AOGCC The purpose of this document is to ensure timely reporting to the AOGCC of any BOPE use to prevent the flow of fluids from a well. Field Superintendent Name: Rich Burnett Wellsite Leader Name: Ryan Cadenhead Contact Number: 907-659-5329 Contact Number: 907-659-4393 Traction Number: 2012-IR-4270895 Well Location/Name & Rig Name: P-12BL1 - Nordic 2 - Permit To Drill (PTD) Number: 212-122 Date and Time of Incident: 31 October 2012 00:30 Original Scope of Work: CTD Sidetrack: Drilling ahead in build hole section, performing wiper trips as required. Operational Description Leading up to Well Control Event: Rig was drilling ahead in Shublik and Zone 4 formations, 130' outside of window. Routine wiper trip was performed from 9250' MD to tie-in depth at 6800' MD. While pulling out of hole at 7850' MD during wiper trip, well began to flow. A pumps-off flow check confirmed well was flowing. BOPE Used and Reason: Chokeline HCR was closed and Schlumberger Packoff pressure was increased, per standing orders, to control flow from well. Is a BOPE Test Required after use ( Yes / No): If no, why? The HCR and Schlumberger Packoff will be tested next time at surface. 24 hour notice required to NS AOGCC Inspectors prior to testing BOPE components. Plan Forward: Kill well with Driller's Method and/or Bullhead Method. Determine source of pressure prior to resuming drilling. Additional Comments: Email to AOGCC North Slope Inspectors within 24 hours of the incident: doa.aogcc.prudhoe.bavaalaska.gov Email CC List Well Integrity Team Leader: Ryan Daniel HSE Advisor: Jeff Kilfoyle Engineering Team Leader: Ken Allen, John Egbejimba, John McMullen, Dave Reem Wells Operations Manager: Steve Rossberg Wells Intervention Manager: Doug Cismoski Organizational Capability Tom Sheffrey BOPE Usage Report for AOGCC Rev 1 September 1, 2010 AsEn SEAN PARNELL,GOVERNOR sc[fArl O ALASKA OIL AND GAS 333 W 7th AVENUE,SUITE 100 CONSERVATION COMMISSIONANCHORAGE,ALASKA 99501-3539 PHONE (907)279-1433 FAX (907)276-7542 John McMullen Engineering Team Leader BP Exploration (Alaska) Inc. P.O. Box 196612 Anchorage, Alaska 99519-6612 Re: Prudhoe Bay Field, Prudhoe Bay Pool, P-12BL1 BP Exploration (Alaska) Inc. Permit No: 212-122 Surface Location: 2525' FSL, 2190' FWL, Sec. 31, T11N, R13E, UM Bottomhole Location: 590' FSL, 4496' FWL, Sec. 31, Ti 1N, R13E, UM Dear Mr. McMullen : Enclosed is the approved application for permit to re-drill the above referenced development well. This permit to drill does not exempt you from obtaining additional permits or an approval required by law from other governmental agencies and does not authorize conducting drilling operations until all other required permits and approvals have been issued. In addition, the Commission reserves the right to withdraw the permit in the event it was erroneously issued. Operations must be conducted in accordance with AS 31.05 and Title 20, Chapter 25 of the Alaska Administrative Code unless the Commission specifically authorizes a variance. Failure to comply with an applicable provision of AS 31.05, Title 20, Chapter 25 of the Alaska Administrative Code, or a Commission order, or the terms and conditions of this permit may result in the revocation or suspension of the permit. Sincerely, Cat y P. oerster Chair DATED the 23rd day of August, 2012. cc: Department of Fish & Game, Habitat Section w/o encl. (via e-mail) Department of Environmental Conservation w/o encl. (via e-mail) STATE OF ALASKA RECEIVED ALAS. JIL AND GAS CONSERVATION COMM, ON AUG 0 9 2012 PERMIT TO DRILL 20 AAC 25.005 /1oG cc la Type of work. lb.Proposed Well Class: ®Development Oil 0 Service-Winj ®Single Zone , lc. Specify if well IS proposed for: ❑Drill ®Redrill 0 Stratigraphic Test 0 Development Gas 0 Service-Supply 0 Multiple Zone 0 Coalbed Gas ❑Gas Hydrates ❑Re-Entry 0 Exploratory 0 Service-WAG 0 Service-Disp 0 Shale Gas 2. Operator Name: 5.Bond: ®Blanket ❑Single Well 11. Well Name and Number: BP Exploration(Alaska) Inc. Bond No. 6194193 • PBU P-12BL1 ' 3. Address' 6. Proposed Depth' 12.Field/Pool(s): P.O. Box 196612,Anchorage,Alaska 99519-6612 MD 12000' TVD 8995'ss ' Prudhoe Bay/Prudhoe Bay 4a. Location of Well(Governmental Section): 7. Property Designation(Lease Number). Surface ADL 028288 • 2525' FSL, 2190' FWL, Sec. 31,T11N, R13E, UM Top of Productive Horizon: 8. Land Use Permit. 13 Approximate Spud Date. 2442' FSL, 3474' FWL, Sec. 31,T11N, R13E, UM November 1,2012 Total Depth. 9.Acres in Property' 14.Distance to Nearest Property' 590' FSL,4496' FWL, Sec. 31,T11N, R13E, UM 2560 11100' 4b. Location of Well(State Base Plane Coordinates-NAD 27) 10.KB Elevation above MSL. 86.59' i feet 15.Distance to Nearest Well Open Surface. x- 631473 • y-5947256 ' Zone- ASP4 GL Elevation above MSL •if+t,Z feet to Same Pool. 16.Deviated Wells. Kickoff Depth 9100' feet 17.Maximum Anticipated Pressure psig(see 20 AAC 25 035) Maximum Hole Angle' 102 degrees Downhole: 3340./3—/Z--Surface. 2460 ` 18. Casing Program: Specifications Top-Setting Depth-Bottom Quantity of Cement,c.f.or sacks Hole Casing Weight Grade Coupling Length MD ND MD ND (including stage data) 4-1/s " 3-1/4"x 6.6#/ L-80/ TC-II/ 5155' 6845' 6653'ss 12000' 8995'ss 111 sx Class'G' 2-7/8" 6.5# 13Cr80 STL 19. PRESENT WELL CONDITION SUMMARY(To be completed for Redrill and Re-entry Operations) Total Depth MD(ft): Total Depth TVD(ft): Plugs(measured): Effective Depth MD(ft): Effective Depth ND(ft): Junk(measured): 11821' 9032' None 11815' 9032' None Casing Length Size Cement Volume MD ND Conductor/Structural 110' 20" 260 sx Arctic Set(Approx.) 110' 110' Surface 2696' 10-3/4" 3392 cu ft Permafrost 2696' 2696' Intermediate 7012' 7-5/8" 1474 cu ft Class'G' 7012' 6891' Production Liner 2511' 5-1/2" 155 sx Class'G' 6864'-9375' 6756'-9004' Liner 1014' 3-1/2" Uncemented Slotted Liner 9289'- 10303' 8993'-9016' Liner 1804' 2-7/8" Uncemented Slotted Liner 10011'- 11815' , 9011'-9032' Perforation Depth MD(ft): 9242'- 11780' Perforation Depth ND(ft): 8979'-9032' 20.Attachments: 0 Property Plat ®BOP Sketch 0 Drilling Program 0 Time vs Depth Plot 0 Shallow Hazard Analysis ®Diverter Sketch ®Seabed Report 0 Drilling Fluid Program ®20 AAC 25.050 Requirements 21. Verbal Approval: Commission Representative: Date. 22. I hereby certify that the foregoing is true and correct. Contact David Johnston,564-5985 Printed Name John ul - Title Engineering Team Leader i - Prepared By Name/Number Signature .- Phone 564-4711 Date 1 / iz Joe Lastufka,564-4091 Commission Use Only i Permit To Drill/ API Number: PermitApproval Dat See cover letter for Number.(�L j 24 -2 50-029-22136-60-00 '�/U15!irk' other requirements Conditions of Approval: If box is checked,well matey not be used to explore for,test,or produce coaliijed metane,gas hydrates,or gas contained shales. [.( Other: A' 3 500 �`. i�d/' ,r� Samples Req'd: 0 Yes E{No Mud Log Req'd 0 Yes IE/No H2S Measures: E'Yes 0 No Directional Survey Req'd: aYes 0 No Date g ---),5 -I D____ pAPPROVED BY THE COMMISSION ,COMMISSIONER Form 10-401 Revised 07/2009 This permit is valid f 24 months from the date of a oval(20 AAC 25.005(g)) ,,mit in Duplicate 1.57.\fii\ /7.'< —•fz--DRIGff/-0-4_ L45 To: Alaska Oil & Gas Conservation Commission h From: David E. Johnston 1J p CTD Engineer Date: May 16, 2012 Re: P-12BL1 Permit to Drill request Approval is requested for a permit to drill a CTD sidetrack from well P-12B. P-12 was drilled in 1991 and completed in the 46P and 45P which were subsequently fracture stimulated. After its water cut increased, P-12 was sidetracked to P-12A in 1995 and completed with a 3-1/2" slotted liner. In 9/2000,the bottom was drilled out and a 2-3/8"pre-drilled liner was run. One of the completion objectives is to maintain this existing production from P-12B. REASON FOR SIDETRACK P-12BL1 will access additional upper Z4 reserves in the drainage area, and with a flow through whipstock set in P-12B we will be preserving the current oil production of P-12B. The proposed plan for P-12BL1 is to drill a through tubing sidetrack with the SLB/Nordic 2 Coiled Tubing Drilling rig on or around November 1, 2012. The sidetrack, P-12BL1, will exit the existing 5-1/2" liner and kick off in the upper Shublik and land in upper zone Z4. Pre-Rig Work: (scheduled to begin October 1, 2012) 1. 0 MIT-OA 2,000 psi (failed 2/18/2012) 2. 0 MIT-IA 3,000 psi (passed 2/16/2012) 3. S Dummy GLV's 4. E Mill XN at 6852' to 3.80" V 5. E Dummy whipstock Drift 6. E Set whipstock at 9,100' (Fi`w t Y" 7. 0 Load and kill well 8. C Set BPV 9. C AC-LDS; AC-PPPOT-IC, T 10. O PT MV, SV, WV 11. 0 Bleed gas lift and production flowlines down to zero and blind flange 12. 0 Remove wellhouse, level pad Rig Work: (scheduled to begin on November 1, 2012) 1. MIRU and test BOPE to 250 psi low and 3500 psi high. 2. Mill 3.8"window at 9100' and 10' of rathole. Swap the well to Flo-Pro. 3. Drill Build: 4.125" OH, 650' (35 deg/100 planned) 4. Drill Lateral: 4.125" OH, 895' (15 deg/100 planned) with resistivity 5. Run 3-1/4"x 2-7/8" solid liner leaving f._ at 6845' 6. Pump primary cement leaving TOC at : 11 , 29 bbls of 15.8 ppg liner cmt planned 7. Cleanout liner and MCNL/GR/CCL log -" `'° 1O'9" ` 7 8. Perforate liner per asset instructions(1200') • 9. Freeze protect well, set BPV, and RDMO Post-Rig Work: 1. PT tree 2. Re-install wellhouse and FL's. 3. Set generic GLM valves. 4. Test separator Mud Program: • Well kill: 8.4 ppg brine. • Milling/drilling: 8.6 ppg Geo Vis for milling window and drilling (provides a 503 psi overbalance to expected formation pressure). Disposal: • All drilling and completion fluids and all other Class II wastes will go to Grind & Inject. • All Class I wastes will go to Pad 3 for disposal. Hole size: 4.25" Liner Program: • 3-1/4", 6.6#, L-80, TC-II Solid Liner (6,845' MD — 9,500' MD) • 2-7/8", 6.5#, 13 Cr, STL Solid Liner (9,500' MD — 12,000' MD) • A minimum of 23 bbls of 15.8 ppg cement will be used for liner cementing. (TOC 10,000' MD) • A cross over to a safety joint with a floor safety valve will be made up and ready for all tubulars ran in hole. Well Control: • BOP diagram is attached. • Pipe rams, blind rams and the CT pack off will be pressure tested to 250 psi and to 3,500 psi. • The annular preventer will be tested to 250 psi and 3,500 psi. • A cross over to a safety joint with a floor safety valve will be made up and ready for all tubulars ran in hole. Directional • See attached directional plan. Maximum planned hole angle is 102°. • Magnetic and inclination surveys will be taken every 30 ft. No gyro will be run. • Distance to nearest property— 11,100' • Distance to nearest well within pool — P-12B, the parent well which production will be maintained from. Logging • MWD directional, Gamma Ray and Resistivity will be run over all of the open hole section. • Cased hole GR/CCL/MCNL logs will be run. Anti-Collision Failures • None Hazards • The maximum recorded H2S level on P pad is 92 ppm on p-04 on 8/27/2000, however the last reading on P-04 was 20 ppm on 2/17/2012. • The H2S reading on P-12B was 22 ppm on 1/25/2012 Reservoir Pressure • The reservoir pressure on p-12BL1 is expected to be 3,340 psi at 8,800' TVDSS. (7.3 ppg equivalent). • Maximum expected surface pressure with gas (0.10 psi/ft) to surface is 2,460 psi. • An EMW of 8.4 ppg for this well will provide 503 psi of overbalance to expected formation pressure. David E. Johnston CTD Engineer 564-5985 CC: Well File Terrie Hubble/Joe Lastufka TREE= 4"CNV WELLHEAD= FMC �1 CEMENT AROUND RE-DRILLED LNR 9258'."'NO ACTUATOR= OTIS KB ELEV= 92.09' I i_ LI __ BF.ELEV= 55.49' KOP= 5436' Max Angle= 96°@ 11491' I Q 2198' 4-1/2"HES HXO SSSVN,ID=3.813" Datum MD= 9090' GAS LIFT MANDRELS Datum TVD= 8800'SS ST MD TVD DEV TYPE VLV LATCH SIZE DATE 4 3006 3006 Do MERLA DOME BK 16 02/17/12 20"CONDUCTOR 110' 1 3 4974 4974 1 MERLA DOME BK 16 02/17/12 10-3/4"CSG,45.5#, NT-80 BTRS, ID=9.95" 2696' 2 6286 6232 25 MERLA DMY BK 0 09103/00 ` 1 6727 6632 25 MERILA SO BK 22 02/17/12 Minimum ID = 1.995" @ 10015' TOP OF 2-3/8" LINER I I 6805' 4-1/4 HES X NIP, ID=3.813" g X 6816' 7-5/8"X 4-1/2"BKR SABL-3 PKR w/KEH-22 ANCHOR, ID=3 875" ' 6841' 4-1/2"HES X NIP, ID=3 813" 4-1/2"TBG-TDS, 12.6#, L-80 NSCT, 6864' I I 6852' 4-1/2"HES XN NIP, ID=3.725" .0152bpf. ID=3.958" \ 7-5/8"X 5-1/2'BKR TIEBK SLV, ID=5 75" 6864' 1;4/ ' 6864' 4-1/2'WLEG,ID=3 958" 7-5/8"X 5-1/2" BKR LNR TOP PKR 6872' 11�--- 6872' ELMD TT LOGGED 11/18/95 &HMC HGR. ID=4.375" 7-5/8"CSG,29 7#, NT-95HS NSCC, -H –7012' — MILLOUT WINDOW(P-128) 7012'-7061' ID=6.875" OL„/r 9289' 5-1/7 X 3-1/2"TNV SS HRZ PKR/HNGR, ID=3.00" 5-1/2" LNR, 17#, L-80 NSCC, f 9375' T11 .0232 bpf, ID=4.892" I I I I k I I PERFORATION SUMMARY I I I I REF LOG: MAO on 09/28/00 ® g--- 9683' 3-12"X 4.30' ECP PKR, ID=2.992" I I ANGLE AT TOP PERF 67°@ 9242' I Note.Refer to Production DB for historical perf data I 10011' 2.70'BKR DEPLOY SLV, ID=2.25{T – SIZE SPF INTERVAL Opn/Sqz DATE I F"� 1 — I _ pl Iq -- 10032' 3-1/2'X 4.30"ECP PKR,ID=2 992'(BEHIND CT LNR) 2-7/8" 6 9242'-9268_ 0 02/28/98 1OI !°1 3-3/8" 4 9268'-9280' 0 11/19/95 i 11 2-112' 6 9280'-9304' 0 0228/98 I III 11 2-112' 4 9316'-9336' 0 11/19/95 I I 2-1/2" 6 9336'-9350' 0 02/28/98 A I I • 3-1/7' SLTD 9360-9674 SLOT 04/09/95 I 3-1/2' SLTD 9711 - 10023 SLOT 04/09/95 L. \ 3-112' SLTD 10069-10281 SLOT 04/09/95 11780' 2-3/8"BKR 0-RING SUB, ID=1 0' ` 2-3/8" 2 10111'-11780' PREDRILL 09/30/00 at 3-1/2"LNR,9.3#,L-80 EUE 8RD, 0087 bpf, ID=2 992' 10303' 2-3/8"LNR,4 6#, L-80 FL4S, .0039 bpf,ID=1 995" 11815' DATE REV BY COMMENTS DATE REV BY COMMENTS PRUDHOE BAY UNIT 04/24191 AUDI 2 ORIGINAL COMPLETION 06/03/11 DLB/PJC PERF CORRECTION WELL: P-128 04/11195 N-28E SIDETRACK(P-12A) 0822/11 SWC/PJC GLV C/O(8/19/11) PERMIT Nb 42001330 09130100 CRD1 CTD SIDETRACK(P-12B) 09/20/11 DLB/PJC DRAWING CORRECTIONS API No- 50-029-22136-02 06/02/01 CH/KAK CORRECTIONS 02/22/12 MBM/JMD GLV 0/0(02/17/12) SEC 31, TIIN, R13E,2525'FSL&2190'FWL 03/04/09 BSE/PJC PULL PXN PLUG @ 6852' 06/04/09 DAV/TLH GLV CJO(04/05/09) BP Exploration(Alaska) T ■EL = 4"`r`"/ -12 B L 1 SM TOTES: WELL ANGLE >70°@ 9258'.'**NO WELLHEAD= FMC ACTUATOR= 0115 proposed CTD sidetrack CEMENT AROUND PRE-DRILLED LNR*** KB.ELEV= 92.09' I BF.ELEV= 55.49' KOP= 5436' / Max Angle= 96°@ 11491' I 2198' 4-1/2"HES HXO SSSVN,D=3.813" CD Datum MD= 9090' GAS LIFT MANDRELS Datum WC= 8800'SS ST MD TVD DEV TYPE VLV LATCH SIZE DATE 4 3006 3006 0 MERLA DOME BK 16 02/17/12 20"CONDUCTOR 110' i 3 4974 4974 1 MERLA DOME BK 16 02/17/12 10-3/4"CSG,45.5#, NT-80 BTRS,D=9.95" 2696' LI 2 6286 6232 25 MERLA DMY BK 0 09/03/00 1 6727 6632 25 MERILA SO BK 22 02/17/12 Minimum ID =2.377" @ 9500' 3-1/4" x 2-7/8" XO(B L1 lateral) ' 1---I 6805' 4-1/4 HES X NIP,ID=3.813" IZ 6816' J 7-5/8"X 4-1/2"BKR SABL-3 PKR TSGR = 9,060' MD w/KEH-22 ANCHOR,ID=3.875" 6841' 4-1/2"HES X NIP,ID=3.813" 25° --- 3.70"Deployment sleeve(top of liner)@-6,845' 4-1/2"TBG TDS, 12.6#, L-80 NSCT, 6864' 6852' —14-1/2"HES XN NP,D=3.80" milled out .0152 bpf,ID=3.958" 7-5/8"X 5-1/2"BKR TIEBK SLV,ID=5.75" 6864' ' " ' • W 6864' 4-1/2" LEG,ID=3.958" 7-5/8"X 5-1/2"BKR LNR TOP PKR 6872' //�� 6872' ELMD TT LOGGED 11/18/95 &HMC HGR D=4.375" J 5� 7-5/8"CSG,29.7#, NT-95HS NSCC, I —7012' / k 0404) 3-1/4"x 2-7/8"XO @-9,500' ?-12-6 L — ID=6.875" 3-1/2 x 3-1/4XO \ 110D 1 o (( 11) MILLOUT WINDOW(P-12B) 7012'-7061' 39 4-1/2"x 5-1/2"TT whipstock @ 9,100'• IN., ()1#t) ` 2-7/8"liner TD @ 12,000' e-.5 whipstock is flow by-will stay in hole pi `( rc.S 1 5-1/2"LNR, 17#, L-80 NSCC, 9375' Top of cement @-10,000' .0232 bpf,D=4.892" I I PERFORATION SUMMARY I I , 9289' 5-1/2"X 3-1/2"TNV SS HRZ PKR/HNGR,ID=3.00" RD-LOG: MWD on 09/28/00 ANGLE AT TOP PERF: 67°@ 9242' ' 9683' 3-1/2"X 4.30"ECP PKR D=2.992" I I Note:Refer to Production DB for historical perf data I I SIZE SPF INTERVAL Opn/Sqz DATE � 10011' 2.70"BKR DEPLOY SLV,D=2.250" 2-7/8" 6 9242'-9268' 0 02/28/98 21 10032' 3-1/2"X 4.30"ECP PKR ID=2.992"(B8-IND CT LNR) 3-3/8" 4 9268'-9280' 0 11/19/95 I I 1 1 11 11 2-1/2" 6 9280'-9304' 0 02/28/98 I I 2-1/2" 4 9316'-9336' 0 11/19/95 I I 2-1/2" 6 9336'-9350' 0 02/28/98 I I I 3-1/2" SLTD 9360-9674 SLOT 04/09/95 L " 3-1/2" SLTD 9711 -10023 SLOT 04/09/95 ,`-• 11780' 2-3/8"BKR O-RING SUB,ID=1.0" 3-1/2" SLTD 10069-10281 SLOT 04/09/95 2-3/8" 2 10111'-11780' PREDRILL 09/30/00 "''--- P-128 3-1/2"LNR,9.3#,L-80 EUE8RD,.0087 bpf,ID=2.992" 10303' 2-3/8"LNR,4.6#,L-80 FL4S, .0039 bpf,D=1.995" 11815' DATE REV BY COMfvEIVTS DATE REV BY COMMENTS PRUDHOE BAY UNfT 04/24/91 AUDI 2 ORIGINAL COMPLETION 06/03/11 DLB/PJC PERF CORRECTION --121311 04/11/95 N-28E SIDETRACK(P-12A) 08/22/11 SWG PJC GLV 00(8/19/11) PERMIT No:' 001330 09/30/00 CRD1 CTD SIDETRACK(P-12B) 09/20/11 DLB/PJC DRAWING CORRECTIONS AR No: 50-029-22136-02 06/02/01 CWKAK CORRECTIONS 02/22/12 MBM/JMD GLV GO(02/17/12) SEC 31,TIN,R13E,2525'FSL&2190'FWL 03/04/09 BSE/PJC PULL PXN PLUG @ 6852' 03/26/12 WJI proposed CI U sidetrack 06/04/09 DAV/TLH GLV GO(04/05/09) BP Exploration(Alaska) a 0 0. 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N R a N M N R N EMI BAKER HUGHES INTEQ North America - ALASKA - BP Prudhoe Bay PB P Pad P-12 P-12BL1 Plan 5 Travelling Cylinder Report 28 March, 2012 cbp Ft:4V BHI BAKER „►ao HUGHES Travelling Cylinder Report ;� l>(' INTEQ .aa Company: North America-ALASKA-BP Local Co-ordinate Reference: Well P-12 Project: Prudhoe Bay TVD Reference: Mean Sea Level Reference Site: PB P Pad MD Reference: P-12A @ 86.59ft(Nabors 28E) Site Error: 0.00ft North Reference: True Reference Well: P-12 Survey Calculation Method: Minimum Curvature Well Error: 0.00ft Output errors are at 1.00 sigma Reference Wellbore P-12BL1 Database: EDM.16-ANC Prod-WH24P Reference Design: Plan 5 Offset TVD Reference: Offset Datum Reference Plan 5 Filter type: GLOBAL FILTER APPLIED:All wellpaths within 200'+ 100/1000 of refer( Interpolation Method: MD Interval 25.00ft Error Model: ISCWSA Depth Range: 9,082.69 to 12,000.00ft Scan Method: Tray.Cylinder North Results Limited by: Maximum center-center distance of 1,396.76ft Error Surface: Elliptical Conic Survey Tool Program Date 3/28/2012 From To (ft) (ft) Survey(Wellbore) Tool Name Description 34.53 7,001.21 1 :Schlumberger GCT multishot(P-12) GCT-MS Schlumberger GCT multishot 7,017.00 8,741.46 2 :MWD-Standard(P-12APB1) MWD MWD-Standard 8,834.00 9,082.69 2:MWD-Standard(P-12APB2) MWD MWD-Standard 9,082.69 12,000.00 Plan 5(P-12BL1) MWD MWD-Standard Casing Points Measured Vertical Casing Hole Depth Depth Diameter Diameter (ft) (ft) Name (in) (in) 2,690.50 2,603.89 10 3/4" 10.750 13.500 7,017.00 6,808.50 7-5/8" 7.625 9.875 12,000.00 8,994.99 2 7/8" 2.875 4.125 CC-Min centre to center distance or covergent point,SF-min separation factor,ES-min ellipse separation 3/28/2012 2:07:22PM Page 2 of 21 COMPASS 2003.16 Build 73 ERII BHI BAKER °"''; HUGHES Travelling Cylinder Report = i ` i INTEQ M'�v" Company: North America-ALASKA-BP Local Co-ordinate Reference: Well P-12 Project: Prudhoe Bay TVD Reference: Mean Sea Level Reference Site: PB P Pad MD Reference: P-12A @ 86.59ft(Nabors 28E) Site Error: 0.00ft North Reference: True Reference Well: P-12 Survey Calculation Method: Minimum Curvature Well Error: 0.00ft Output errors are at 1.00 sigma Reference Wellbore P-12BL1 Database: EDM .16-ANC Prod-WH24P Reference Design: Plan 5 Offset TVD Reference: Offset Datum Summary Reference Offset Centre to No-Go Allowable Measured Measured Centre Distance Deviation Warning Site Name Depth Depth Distance (ft) from Plan Offset Well-Wellbore-Design (ft) (ft) (ft) (ft) PB Hurl State MP43311113-MP43311113-MP43311113 10,248.57 10,725.00 314.85 436.79 -121.50 FAIL-Major Risk PB P Pad P-01 -P-01A-P-01A Out of range P-01 -P-01APB2-P-01APB2 Out of range P-03-P-03-P-03 Out of range P-03-P-03A-P-03A Out of range P-03-P-03APB1 -P-03APB1 Out of range P-03-P-03APB2-P-03APB2 Out of range P-04-P-04-P-04 Out of range P-04-P-04L1 -P-04L1 Out of range P-05-P-05-P-05 Out of range P-05-P-05A-P-05A Out of range P-05-P-05PB1 -P-05PB1 Out of range P-10-P-10-P-10 10,675.00 9,225.00 1,168.93 130.30 1,040.23 Pass-Major Risk P-12-P-12-P-12 9,531.16 9,325.00 343.37 63.70 282.79 Pass-Major Risk P-12-P-12A-P-12A 9,124.97 9,125.00 1.05 2.29 -1.08 FAIL-Major Risk P-12-P-12APB1 -P-12APB1 9,086.26 9,100.00 50.74 9.12 44.96 Pass-Major Risk P-12-P-12APB2-P-12APB2 9,124.97 9,125.00 1.05 2.35 -1.13 FAIL-Major Risk P-12-P-12B-P-12B 9,124.97 9,125.00 1.05 2.29 -1.08 FAIL-Major Risk P-14-P-14-P-14 Out of range P-15-P-15-P-15 Out of range P-15-P-15L1 -P-15L1 Out of range P-18-P-18-P-18 Out of range P-18-P-18L1 -P-18L1 Out of range P-19-P-19-P-19 11,375.00 9,500.00 723.26 171.05 569.45 Pass-Major Risk P-19-P-19L1 -Plan 3 11,375.00 9,500.00 723.26 171.05 569.45 Pass-Major Risk P-20-P-20-P-20 Out of range P-20-P-20A-P-20A Out of range P-20-P-20APB1 -P-20APB1 Out of range P-20-P-20B-P-20B Out of range P-22-P-22-P-22 Out of range P-23-P-23-P-23 Out of range P-26-P-26-P-26 Out of range CC-Min centre to center distance or covergent point,SF-min separation factor,ES-min ellipse separation 3/28/2012 2:07:22PM Page 3 of 21 COMPASS 2003.16 Build 73 tiligm m trr y e, .... • Y O U '! _ A•; --: •: ; :- , ..-. . - . . 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TRANSMITTAL LETTER CHECKLIST WELL NAME a 1 - /2167___/. r1216L/ PTD# 2 1z (Z2 Development Service Exploratory Stratigraphic Test Non-Conventional/ Well // FIELD: - ,C//_m-e_ POOL: 1�t11La-e,_ _ 'I I Check Box for Appropriate etter/Paragraphs to be Included in Tran ittal Letter CHECK ADD-ONS WHAT (OPTIONS) TEXT FOR APPROVAL LETTER APPLIES MULTI LATERAL The permit isfoew wellb segment of existing well 6i , /�.6 , (If last two digits in Permit No.' _ l) /33 API No. 50-0Z21- Z2 / �-U2 API number are between 60-69) Production should continue to be reported as a function of the original API number stated above. PILOT HOLE In accordance with 20 AAC 25.005(f), all records, data and logs acquired for the pilot hole must be clearly differentiated in both well name (__ PH) and API number (50- - - ) from records, data and logs acquired for well . SPACING The permit is approved subject to full compliance with 20 AAC EXCEPTION 25.055. Approval to produce/inject is contingent upon issuance of a conservation order approving a spacing exception. 1 assumes the liability of 1 any protest to the spacing exception that may occur. DRY DITCH All dry ditch sample sets submitted to the Commission must be in SAMPLE no greater than 30' sample intervals from below the permafrost or from where samples are first caught and 10' sample intervals through target zones. Non-Conventional Please note the following special condition of this permit: Well production or production testing of coal bed methane is not allowed for (name of well) until after (Company Name) has designed and implemented a water well testing program to provide baseline data on water quality and quantity. (Company Name) must contact the Commission to obtain advance approval of such water well testing program. Rev:9/09/2011 L LI To co 0) 0 a) a 2) o o@ .ate .' 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