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204-149
KtUrgiVCIni STATE OF ALASKA • ALASKA OIL AND GAS CONSERVATION COMM N N O U 0 4 2015 • WEL OMPLETION OR RECOMPLETION REPORT AND LOG yf�� ►p����",� la. Well Status: Oil 0 Gas 0 SPLUG 0 Other 0 Abandoned 0 • Suspended 0 lb.Well Class A0`i°`"'C 20AAC 25.105 20AAC 25.110 Development IZI'Exploratory 0 GINJ 0 WINJ 0 WAG 0 WDSPL 0 No.of Completions: Zero • Service 0 Stratigraphic Test 0 2. Operator Name: 6. Date Comp.,Susp.,or Aband.: 14.Permit to Drill Number/Sundry BP Exploration(Alaska),Inc •10/6/2015 204-149 • 315-257 3. Address: 7. Date Spudded: 15' API Number: P.O.Box 196612 Anchorage,AK 99519-6612 11/25/2004 50-029-23048.01-00 • 4a. Location of Well(Governmental Section): 8. Date TD Reached: 16. Well Name and Number: 12/15/204 PBU L-02A • Surface: 2528'FSL,3860'FEL,Sec.34,T12N,R11E,UM • 17. Field/Pool(s): 9. KB(ft above MSL): 76.5 Top of Productive Interval: 4069'FSL,3248'FEL,Sec.33,T12N,R11E,UM GL(ft above MSL): 48 PRUDHOE BAY,PRUDHOE OIL Total Depth: 4652'FSL,389'FEL,Sec.32,T12N,R11E,UM 10. Plug Back Depth(MD/TVD): 18. Property Designation: 10740'/8952' ADL 028239&047449' 4b. 4b.Location of Well(State Base Plane Coordinates,NAD 27): 11. Total Depth(MD/TVD): 19. Land Use Permit: Surface:x- 583055• y- 5978248 • Zone - ASP 4 13193'/8901' • TPI: x- 578367 y- 5979739 Zone - ASP 4 12. SSSV Depth(MD/TVD): 20 Thickness of Permafrost MD/TVD: Total Depth:x- 575939 y- 5980296 Zone - ASP 4 None 1900'(Approx.) 5. Directional Survey: Yes 0 (attached) No II 13. Water Depth.if Offshore: 21. Re-drill/Lateral Top Window MD/TVD: Submit electronic and printed information per 20 AAC 25.050 N/A (ft MSL) 2581'/2568' 22 Logs Obtained List all logs run and,pursuant to AS 31.05.030 and 20 AAC 25.071,submit all electronic data and printed logs within 90 days of completion, suspension,or abandonment,whichever occurs first.Types of logs to be listed include,but are not limited to:mud log,spontaneous potential,gamma ray,caliper, resistivity,porosity,magnetic resonance,dipmeter,formation tester,temperature,cement evaluation,casing collar locator,jewelry,and perforation record. Acronyms may be used.Attach a separate page if necessary MWD/GR/RES,MWD/GR/RES 23. CASING,LINER AND CEMENTING RECORD CASING WT.PER GRADE SETTING DEPTH MD SETTING DEPTH TVD HOLE SIZE CEMENTING RECORD AMOUNT FT. PULLED TOP BOTTOM TOP BOTTOM 20" 91.5# H-40 29' 109' 29' 109' 30" 260 sx Arctic Set(Approx.) 9-5/8" 40# L-80 28' 2575' 28' 2562' 12-1/4" 453 sx AS Lite III,312 sx Class'G' 7" 26# L-80 26' 10288' 26' 8717' 8-3/4" 150 sx Class'G',159 sx Class'G' 4-1/2" 12.6# L-80 9427' 13190' 8008' 8901' 6-1/8" 437sxClass'G' 24. Open to production or injection? Yes 0 No 2 • 25. TUBING RECORD If Yes,list each interval open(MD/TVD of Top and Bottom;Perforation GRADE DEPTH SET(MD) PACKER SET(MD/TV Size and Number): 3-1/2",9.3#,13Cr80 9438' 9379'/7969' 26. ACID,FRACTURE,CEMENT SQUEEZE,ETC. Was hydraulic fracturing used during completion? Yes 0 No 2 - Per 20 AAC 25.283(i)(2)attach electronic and printed 'SCANNED JAN Q1, information 2 9 u DEPTH INTERVAL(MD) AMOUNT AND KIND OF MATERIAL USED 10740' Set Whipstock 27. PRODUCTION TEST Date First Production: Not on Production Method of Operation(Flowing,gas lift,etc.):N/A Date of Test: Hours Tested: Production for Oil-Bbl: Gas-MCF: Water-Bbl: Choke Size: Gas-Oil Ratio: Test Period ....► Flow Tubing Casing Press: Calculated Oil-Bbl: Gas-MCF: Water-Bbl: Oil Gravity-API(corr): Press 24 Hour Rate �. Form 10-407 Revised 5/2015 CONTINUED ON PAGE 2 Submit ORIGINAL only / VTI--- r2/ /< / �r RBDN19'. -NOV 10 2015 ,, D�z.,s:rs- � J • 28. CORE DATA • Conventional Core(s) Yes 0 No Q • Sidewall Cores Yes 0 No 0 • 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 25.071. 29. GEOLOGIC MARKERS(List all formations and markers encountered): 30. FORMATION TESTS NAME MD TVD Permafrost-Top Well Tested? Yes 0 No I • Permafrost-Base If yes,list intervals and formations tested,briefly summarizing test results.Attach separate sheets to this form,if needed,and submit detailed test information per 20 Ugnu 2807' 2784' AAC 25.071. Ugnu M Sandstones 4144' 3922' Schrader Bluff N Sandstones 4489' 4187' Schrader Bluff 0 Sandstones 4692' 4343' Base Schrader/Top Colville 5105' 4651' HRZ 7103' 6186' Kalubik 7414' 6421' Kuparuk D/Kuparuk C 7522' 6502' Kuparuk B 7654' 6602' Kuparuk A 7858' 6759' Miluveach 7968' 6845' Kingak 8963' 7626' Sag River 10299' 8726' Shublik 10341' 8759' Eileen 10582' 8904' Sadlerochit-Zone 4 10681' 8939' Eileen(Invert) 13129' 8904' Formation at total depth: • 31. List of Attachments: Summary of Pre-Rig Work,Summary of Daily Drilling Reports,Well Schematic Diagram Information to be attached includes,but is not limited to:summary of daily operations,wellbore schematic,directional or inclination survey,core analysis,paleontological report,production or well test results,per 20 AAC 25.070. 32.I hereby certify that the foregoing is true and correct to the best of my knowledge. Contact: Sperry,Nathan Email: Nathan.Sperry@bp.com Printed Name: Joe Lastufka Title: Drilling Technologist Signature: Phone: +1 907 564 4091 Date:41/4.116 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. All laboratory analytical reports regarding samples or tests from a well must be submitted to the AOGCC,no matter when the analyses are conducted. Item 1 a. 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 1 b.Well Class Service wells:Gas Injection,Water Injection,Water-Alternating-Gas Injection,Salt Water Disp,Water Supply for Injection,Observation or Other. Item 4b.TPI(Top of Producing Interval). Item 9. The Kelly Bushing and Ground Level elevations 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 15.The API number reported to AOGCC must be 14 digits(ex:50-029-20123-00-00). Item 20.Report true vertical thickness of permafrost in Box 20.Provide MD and TVD for the top and base of permafrost in Box 29. Item 22.Review the reporting requirements of 20 MC 25.071 and,pursuant to AS 31.05.030,submit all electronic data and printed logs within 90 days of completion,suspension,or abandonment,whichever occurs first. Item 23.Attached supplemental records 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. Item 31.Pursuant to 20 AAC 25.070,attach to this form:well schematic diagram,summary of daily well operations,directional or inclination survey,and other tests as required including,but not limited to:core analysis,paleontological report,production or well test results. Form 10-407 Revised 5/2015 Submit ORIGINAL Only • • L-02A, Well History (Post-Rig Sidetrack) T/I/0=1774/1980/183 Temp=S/I Assist SLB w/ L&T (Tree replacement) Pumped 2 bbls 6/23/2015 neat followed by 85 bbls crude down Tbg ***Job Cont to 06-24-15 WSR*** ***WELL S/I ON ARRIVAL*** (Tree Replacement) BRUSHED X-NIP @ 1,803' MD w/2.84' CENTRALIZER/3-1/2" BRUSH. LRS LOADED TBG w/ 180 BBLS CRUDE. 6/23/2015 ***WSR CONTINUED ON 6/24/15*** ***WSR CONTINUED FROM 6/23/15***(Tree Replacement) SET 3-1/2" PX PLUG BODY @ 1,785' SLM (1,803' MD). SET P-PRONG @ 1,803' MD. LRS PERFORMED 2500 PSI MIT-T(Pass). 6/24/2015 ***WELL LEFT S/I ON DEPARTURE*** ***Job Cont from 06-23-15 WSR*** MIT-T to 2500 psi *PASSED 7th attempt** (TREE REPLACEMENT) Pumped 95 bbls crude(180 total) down Tbg for load. Pumped 0.01 bbls ( 0.26 total )for MIT-T. 1st 15 min TBGP lost 22 &2nd 15 min TBGP lost 17 for a total TBGP loss of 39 in 30 min. Bled back 0.25 bbls. FWHP's=300/978/149 Upon 6/24/2015 departure DSO notified SLB on well & in control of all WHV's, Tags hung T/I/O= 240/1800/200. Set 4" H TWC#292 . @125"Through tree. LTT (PASSED). RD ASV#22 . Installed tree cap. Torqued and PT'd (PASSED). RDMO. ***Job Complete*** 6/27/2015 Final WHP's =TWC/1800/200. T/I/O =TWC/1800/200. N/D 4-1/8"x 4-1/16" CIW tree w/Baker actuator. N/U new 4-1/8" x 4-1/16"CIW tree w/Baker actuator. Torqued MV x THA&WV x S-Riser to API spec. 6/28/2015 FWHP's =TWC/1800/200. See log for details. ***Job incomplete*** T/I/O =TWC/1780/180. PT'd tree to API specs. (PASSED). Pulled TWC#292 . @125" Through tree. Installed tree cap and PT'd (PASSED). RDMO. ***Job Complete*** Final 6/28/2015 WHP's = 120/1780/180. ****WELL S/I ON ARRIVAL***** PULL PX-PRONG @ 1776' SLM PULL 3 1/2" PX PLUG BODY @ 1782' SLM/1803' MD ****WELL LEFT S/I, DSO NOTIFIED ON DEPARTURE**** 6/29/2015 ****W ELL S/I ON ARRIVAL***** PULL PX-PRONG @ 1776'SLM PULL 3 1/2" PX PLUG BODY @ 1782' SLM/1803' MD ****WELL LEFT S/I, DSO NOTIFIED ON DEPARTURE**** 6/29/2015 T/I/0=614/1755/173 L&K for e-line Pumped 5 bbl neat spear followed by 177 bbls 1% kcl and 30 bbls dsl rig down (e-line on well has control annulus valves open to gauges ) 7/2/2015 FWHP=1400/1271/250 ***WELL SHUT IN ON ARRIVAL***(SLB ELINE: GYRO) INITIAL T/I/O = 595/ 1800/200 PSI. RU. PT. LRS RU/PT/ LOAD WELL. RIH WITH GYRO SURVEY TOOL TO DEVIATION AT 10718'. SHOTS TAKEN EVERY 100FT UNTIL 10DEG DEVIATION REACHED. LOG DOWN 75FPM. LOG UP 60FPM. FINAL T/I/O = 380/ 1200/250 PSI. WELL SI ON DEPARTURE. PAD-OP NOTIFIED. 7/2/2015 ***JOB COMPLETE*** • • L-02A, Well History (Post-Rig Sidetrack) T/I/O = MV/1930/120. Temp =SI. Bleed IA& OA to 0 psi (Pre CTD). AL spool, wellhouse and flowline removed. Initial IA FL = near surface. OA FL = near surface.. Bled the IAP from 1930 psi to 0 psi in 30 minutes (Bleed tank, 1 bbl, gas &fluid). Bled the OAP from 120 psi to 60 psi in 5 minutes (Bleed tank, mostly fluid). OAP would not bleed below 60 psi. Monitored the WHPs for 30 minutes, IAP remained unchanged and the OAP increased 10 psi. FWPs = MV/0/70. 10/3/2015 SV, WV, SSV, MV= C. IA, OA=OTG. 2240 hrs. • • • North America-ALASKA-BP Page 1 of 41 Operation Summary Report Common Well Name:L-02 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date:10/3/2015 End Date:10/15/2015 X3-0171P-C:(2,596.743.00) Project:Prudhoe Bay Site:PB L Pad Rig Name/No.:NORDIC 1 Spud Date/Time:12/1/2002 12:00:00AM Rig Release: Rig Contractor NORDIC CALISTA UWM:500292304800 Active datum:L-02A Plan r@76.50usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 10/3/2015 18:00 - 21:30 3.50 MOB P PRE MOVE RIG OFF WELL -SECURE CELLAR,R/D CUTTINGS BOX,AND CONTINUE T LOAD OUTSIDE EQUIPMENT 21:30 - 22:30 1.00 MOB P PRE MOVE RIG OFF WELL -HOLD PJSM FOR MOVING RIG WITH NORDIC CREWAND SUPERINTENDANT -PJSM INCLUDED DISCUSSIONS REGARDING OCN#4(RDMO W/O TWC OR BPV) - PHYSICAL BARRIERS,CHOCKS,ARE IN PLACE TO PREVENT THE RIG FROM ROLLING BACK TOWARDS THE TREE/WELLHEAD - ESD IN CELLAR IS OPERABLE AND MANNED BY THE TOOLPUSHER - RADIO COMMUNICATION HAS BEEN VERIFIED FOR ALL INDIVDUALS INVOLVED IN THE MOVE - THE AGREED"COMMAND"TO STOP THE RIG MOVE IS UNDERSTOOD BY ALL -JACK UP AND MOVE OFF THE WELL AT 2155 HRS 22:30 - 23:00 0.50 MOB P PRE MOVE SATELLITE CAMP -MOVE SATELLITE OUT OF RIG MOVE PATH 23:00 - 00:00 1.00 MOB N WAIT -0.13 PRE MOVE RIG -MOVE RIG AND STAGE AT U-PAD ENTRANCE 10/4/2015 00:00 - 02:00 2.00 MOB N WAIT PRE WAITING AT U-PAD WHILE RIG MATS ARE PLACED AT N-PAD 02:00 - 04:00 2.00 MOB P PRE MOVE RIG AND SATELLITE CAMP FROM U-PAD TO N-PAD 04:00 - 11:30 7.50 MOB N WAIT PRE SET DOWN RIG AND WAIT AT N-PAD UNITL KUPARUK RIVER BRIDGE IS OPEN AT 1300 HRS TO CROSS,THEN WILL CONVEY MAN CAMP,NORDIC 1,SATELLITE CAMP ACROSS KUPARUK RIVER BRIDGE GOING TO L-PAD. 11:30 - 12:30 1.00 MOB P PRE MOVE RIG FROM N-PAD TO M-PAD ACCESS ROAD 12:30 - 15:00 2.50 MOB N WAIT PRE WAIT ON CONSTRUCTION GROUP TO CLEAR EQUIPMENT OFF KUPARUK RIVER BRIDGE 15:00 - 20:00 5.00 MOB P PRE MOVE SATELLITE CAMP AND MAN CAMP ACROSS KUPARUK RIVER BRIDGE TO MOBILE PAD 20:00 - 23:00 3.00 MOB P PRE MOVE RIG ACROSS KUPARUK RIVER BRIDGE AND STOP ON SPINE ROAD JUST PAST MOBILE PAD EXIT TO ALLOW TRAFFIC TO GET AROUND RIG 23:00 - 23:30 0.50 MOB P PRE ALLOWTRAFFIC TO GET AROUND RIG 23:30 - 00:00 0.50 MOB P PRE CONTINUE MOVING FROM MOBILE PAD TO L-PAD ACCESS ROAD 10/5/2015 00:00 - 02:00 2.00 MOB P PRE MOVE RIG TO L-PAD ACCESS ROAD 02:00 - 04:00 2.00 MOB P PRE MOVE RIG ONTO L-PAD 04:00 - 06:00 2.00 MOB N WAIT PRE FILL AND LEVEL PAD AROUND WELLHEAD BEFORE LAYING RIG MATS 06:00 - 07:00 1.00 MOB P PRE SET RIG MATS AROUND WELLHEAD -HOLD PJSM FOR PULLING OVER WELL 07:00 - 08:00 1.00 MOB P PRE PULL RIG OVER WELL L-02 -FUNCTION TEST ESD -ACCEPT RIG AT 08:00 HRS Printed 10/19/2015 11:32:44AM 0 0 North America-ALASKA-BP Page 2 of 41 Operation Summary Report Common Well Name:L-02 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date:10/3/2015 End Date:10/15/2015 X3-0171P-C:(2,596,743.00) Project:Prudhoe Bay Site:PB L Pad Rig Name/No.:NORDIC 1 Spud Date/Time:12/1/2002 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA 1 UWI:500292304800 Active datum:L-02A Plan @76.50usft(above Mean Sea Level) Date From-To I Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 08:00 - 09:00 1.00 MOB P PRE RIG UP CELLAR -LEAK TIGHT TEST MASTER/SWAB VALVES -ND TREE CAP -RIG UP IA/OA VALVE SENSORS&GUARDS 09:00 - 14:00 5.00 MOB P PRE NU BOPE -SPOT CUTTINGS BOX -SPOT TIGER TANK -RU TIGER TANK HARD LINES&TEST SAME -RU ANCILLARY EQUIPMENT -SPOT SAT OFFICE 14:00 - 16:00 2.00 BOPSUR P PRE SHELL TEST BOP 16:00 - 23:00 7.00 BOPSUR P PRE PERFORM BOP TEST STATE GIVEN NOTIFICATION OF BOPE TEST 10/04/2015 11:00 HRS STATE INSPECTOR MATT HERRERA WAIVED WITNESS 10/05/2015 13:00 HRS PRESSURE TEST ALL BOP EQUIPMENT AS PER AOGCC REGS,PTD#215-075,AND CRT-AK-10-45 -TEST BOPE TO 250/3500 PSI FOR 5/5 CHARTED MINI -TEST CHOKE VALVES,CHOKE AND KILL HCR VALVES,INSIDE MANUAL VALVES ON CHOKE AND KILL LINES,BOP RAMS AND ANNULAR PREVENTER(2500 PSI) -ALL 2"PIPE RAMS TESTED WITH 2"TEST JOINT -2-3/8"PIPE RAMS TESTED WITH 2-3/8"TEST JOINT -BLIND RAMS TESTED ON OPEN HOLE -ANNULAR TESTED WITH BOTH 2-3/8"AND 2" TEST JOINT -TEST FULL OPENING SAFETY VALVE -FUNCTION BOP FROM BOTH REMOTE PANELS -TEST GAS ALARMS -ALL TESTS WITNESSED BY DRILLER,RIG MANAGER OR BP WSL 23:00 - 00:00 1.00 BOPSUR P PRE PREP TO TEST COIL INNER REEL VALVE AND PACK-OFF -PJSM -STAB INJECTOR -PACK COIL WITH 5 BBLS METHANOL AND 34 BBLS WATER 10/6/2015 00:00 - 00:30 0.50 BOPSUR P PRE TEST COIL INNER REEL VALVE AND PACK-OFF -PRESSURE TEST INNER REEL VALVE AND PACK-OFF TO 250-3500 PSI FOR 5 MIN EACH 00:30 - 01:30 1.00 BOPSUR P PRE FINISH TORQUE TREE BOLTS AND GREASE VALVES Printed 10/19/2015 11:32:44AM • 4111 North America-ALASKA-BP Page 3 of 41 Operation Summary Report Common Well Name:L-02 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date:10/3/2015 End Date:10/15/2015 X3-0171P-C:(2,596,743.00) Project:Prudhoe Bay Site:PB L Pad Rig Name/No.:NORDIC 1 Spud Date/lime:12/1/2002 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:500292304800 Active datum:L-02A Plan @76.50usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 01:30 - 02:30 1.00 BOPSUR P PRE RIG UP CAMERON LUBRICATOR -PJSM -TAKE STACK MEASUREMENTS -LOAD LUBRICATOR AND ASSOCIATED EQUIPMENT IN PIPE SHED NOTE: UNABLE TO USE BEAVER SLIDE TO BRING TOOLS UP TO THE RIG FLOOR DUE TO CLOSE PROXIMITY OF ADJACENT WELL TREE -MAKE UP 7"OTIS XO TO RISER AND MOBILIZE LUBRICATOR TO RIG FLOOR -RIG UP AND PRESSURE TEST LUBRICATOR TO 250 PSI LOW/3500 PSI 02:30 - 04:00 1.50 BOPSUR P PRE PULL TWC -PULL TWC WITH CAMERON LUBRICATOR -300 PSI WI-IP 04:00 - 04:30 0.50 BOPSUR P PRE RIG DOWN CAMERON LUBRICATOR -LTT TREE VALVES AND BLEED PRESSURE FROM LUBRICATOR -RIG DOWN LUBRICATOR AND MOBILZE OFF RIG 04:30 - 05:30 1.00 BOPSUR P PRE INSTALL BHI CHECKS -PRESSURE TEST 250 LOW/3500 HIGH 05:30 - 06:00 0.50 BOPSUR P PRE HELD H2S/RIG EVACUATION DRILLS 06:00 - 07:00 1.00 BOPSUR P PRE CREW CHANGE -PERFORM H2S/RIG EVACUATION DRILLS 07:00 - 07:30 0.50 BOPSUR N HMAN PRE BULLHEAD KILL WELL -HOLD PJSM WITH NORDIC AND SCHLUMBERGER -PUMP 5 BBLS McOH SPEAR FOLLOWED BY 50 BBLS 9.5 PPG 6%KCL ***SHUT DOWN OPERATIONS:UNABLE TO MAINTAIN REQUIRED PUMP RATE ON ONE MOTOR.SHUT DOWN BULLHEAD KILL OPERATIONS TO BRING SECOND MOTOR ONLINE. 07:30 - 07:50 0.33 BOPSUR N HMAN PRE BRING 2ND MOTOR ONLINE TO MEET POWER REQUIREMENTS -START 2ND MOTOR AND LET WARM UP 07:50 - 08:45 0.92 BOPSUR P PRE BULLHEAD KILL WELL -PUMP 127 BBLS 9.5 PPG 6%KCL -CHASE WITH 40 BBLS HI-VIS 9.5 PPG MUD AND SPOT AT TOP PERF WITH 125 BBLS 9.5 PPG MUD -SHUT DOWN PUMPS AND FLOW CHECK -MM IN:4.75 BPM MW IN:9.5 PPG 6%KCL/ 9.5 PPG POWERPRO MUD -CIRC PSI AT 4.75 BPM:INITIAL PSI:2315 FINAL PSI:2875 Printed 10/19/2015 11:32:44AM • • North America-ALASKA-BP Page 4 of 41 Operation Summary Report Common Well Name:L-02 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date:10/3/2015 End Date:10/15/2015 X3-0171P-C:(2,596,743.00) Project:Prudhoe Bay Site:PB L Pad Rig Name/No.:NORDIC 1 Spud Date/Time:12/1/2002 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:500292304800 Active datum:L-02A Plan @76.50usft(above Mean Sea Level) Date From-To Hrs Task Code NPT NPT Depth Phase Description of Operations (hr) (usft) 08:45 - 10:45 2.00 BOPSUR P PRE FLOW CHECK -ALLOW PRESSURE TO BLEED DOWN NORMALLY -SHUT-IN CHOKE PRESSURE:325 PSI -PRESSURE APPEARs TO BE DECREASING SLOWLY -DISCUSS WITH ODE -BLEED DOWN PRESSURE(0945) -RETURNS SLOWLY DECREASE AS PRESSURE DECREASES -POTENTIAL FOR WELLBORE BREATHING IN THE WELL -NO FLOW AFTER 45 MINS 10:45 - 11:00 0.25 BOPSUR P PRE HELD PJSM FOR MU WHIPSTOCK ASSEMBLY 11:00 - 11:45 0.75 STWHIP P WEXIT MU WHIPSTOCK ASSEMBLY -MU BAKER 3 1/2"X 4 1/2"WHIPSTOCK ASSEMBLY -GET ON WELL WITH INJECTOR -INITIALIZE MWD TOOLS -PRESSURE TEST QTS 11:45 - 15:20 3.58 STWHIP P WEXIT RIH WHIPSTOCK ASSEMBLY -LOG TIE-IN AT 10665'(-3')CORRECTION -LOG CCL 10600'TO 10861'FOR WHIPSTOCK SETTING DEPTH -LOSS 30 BBLS WHILE RIH 15:20 - 15:30 0.17 STWHIP P WEXIT SET WHIPSTOCK -RECORD PU WEIGHT=35K -CONFIRM WHIPSTOCK SETTING DEPTH WITH CCL LOG -COLLAR INTERFERRING WITH PLANNED SETTING DEPTH -DISCUSS WITH ODE -ADJUST TOP OF WHIPSTOCK PLANNED SETTING 10750'MD TO 10740 MD -PRESSURE UP AND RELEASE FROM WHIPSTOCK=—2800 PSI -CONFIRM SET WITH 5K DHWOB -WHIPSTOCK SET DEPTHS(UNCORRECTED) - TOWS AT 150 DEG LOHS=10740'MD - TOW=10742'MD - RA TAG=10747.4'MD - BOW=10750'MD 15:30 - 17:00 1.50 STWHIP P WEXIT POOH WHIPSTOCK SETTING ASSEMBLY -LOSS 6 BBLS POOH -FLOW CHECK - NO FLOW 17:00 - 18:00 1.00 STWHIP P WEXIT L/D WHIPSTOCK SETTING ASSEMBLY -STAND INJECTOR BACK -LD WHIPSTOCK SETTING ASSEMBLY 18:00 - 19:00 1.00 STWHIP P WEXIT M/U WINDOW MILLING ASSEMBLY -M/U 2.80"DIAMOND WINDOW MILL ASSEMBLY -GET ON WELL WITH INJECTOR -INITIALIZE MWD TOOLS -PRESSURE TEST QTS 19:00 - 22:00 3.00 STWHIP P WEXIT RIH WINDOW MILLING ASSEMBLY -MM IN/OUT:0.50/ 0.45 CIRC PSI:1280 -MW IN/OUT:9.31 PPG/9.39 PPG -LOG TIE-IN(-5')CORRECTION -DRY TAG PINCH POINT AT 10744.6';P/U, BRING PUMPS ONLINE AND TAG AT 10743.9' Printed 10/19/2015 11:32:44AM • • North America-ALASKA-BP Page 5 of 41 Operation Summary Report Common Well Name:L-02 AFE No Event Type:RE-ENTER-ONSHORE(RON) Start Date:10/3/2015 End Date:10/15/2015 X3-0171P-C:(2,596,743.00) Project:Prudhoe Bay Site:PB L Pad Rig Name/No.:NORDIC 1 Spud Date/Time:12/1/2002 12:00:00AM Rig Release: Rig Contractor:NORDIC CALISTA UWI:500292304800 Active datum:L-02A Plan @76.50usft(above Mean Sea Level) Date From-To I Hrs Task Code NPT NPT Depth Phase Description of Operations I (hr) (usft) 22:00 - 00:00 2.00 STWHIP P WEXIT MILL 2.80"WINDOW FROM 10,743.9'TO 10744' FREESPIN AT 1.57 BPM=3274 PSI -CIRCULATING PRESSURE AT 1.56 BPM= V0245 3336 PSI -IN/OUT RATE=1.56/1.33 BPM -IN/OUT DENSITY=9.39/9.39 PPG -WOB=0.2k -CONTROL MILL 0.1'/MIN MILL 2.80"WINDOW FROM 10,744'TO 10,745' -FREESPIN AT 1.57 BPM=3274 PSI -CIRCULATING PRESSURE AT 1.56 BPM= 3336 PSI -IN/OUT RATE=1.56/1.33 BPM -IN/OUT DENSITY=9.39/9.39 PPG -WOB=0.78k -CONTROL MILL ROP=0.1'/MIN -TIME TO MILL 60 MINUTES -AT 10745.3'LOST FULL RETURNS -POOH ABOVE WINDOW TO 9850' 10/7/2015 00:00 - 03:30 3.50 STWHIP N DPRB 10,745.30 WEXIT LOSS RETRUNS -POOH TO 9850' -DISCUSS OPERATIONS WITH ODE AND DAY WSL -START WEIGHTING UP/BUILDING 9.0 PPG FLOPRO -EVALUATE LOSS RATES -EDC OPEN PUMP DOWN COIL - MM IN-2.29 MM OUT 0.15 = -94% LOSSES -CLOSE EDC - MM IN-1.65 MM OUT 0.02 = -99% LOSSES -STOP PUMP DOWN COIL AND CIRC ACROSS WELL - HAVE FULL RETURNS -EDC CLOSED - MM IN-1.66 MM OUT 0.03 = -98% LOSSES -CIRC ACROSS WELL WITH C-PUMP AGAINST CLOSED CHOKE -C-PUMP DEADHEAD WITH 60 SPI AGAINST WELL -MAINTAIN FULL RETURNS -RIH FROM 9850'AND TAG WHIPSTOCK TO ENSURE WHIPSTOCK IS THERE,TAG ON DEPTH -P/U START MOTOR AND CONTINUE MILLING WINDOW 03:30 - 05:10 1.67 STWHIP P 10,745.30 I WEXIT CONTINUE MILLING OPERATIONS Printed 10/19/2015 11:32:44AM TREE; 4-1116"CNV FLS WELLHEAD= FMC II 0 2 A NOTES:WCL ANGLE>70°@ 10640''""MAX DOGLEG:43.9°@10744''""3-1/2"CDROM E TBG"` ACTUATOR= BAKE2C OKB.ELEV= 82.3' BF_B_EV 48.95' 25' —14-11T X 3-1/2"XO,D=2.92" KOP= _ _ 900' Max Angle= 95"@ 12115' 111 20"CONDUCTOR, — ^112 1803' —{3-1/2"HES X NP,D=2.813" Datum TAY= 10517' —#°- II Datum TVD= 8800'SS to ENI GAS LIFT MANDRELS 9-5/8"TAM PORT COLLAR H 954' ST MD 1 vI) DEV TYPE VLV LATCH FORT DATE 9 2013 2006 8 MAG OM1' RK 0 12/29/04 9-5/8"CSG,40#,L-80 BTC,D=8.835" —I 2581' 1. 8 2607 2594 11 MMG DM' RK 0 03/28/15 7 3986 3801 37 MMG DMY RK 0 07/04/06 7"HES ES CEMENTER,ID=6.375" H 537T H—a D 6 4927 4520 42 WAG DMY RK 0 03/28/15 5 5826 5200 40 MIG DM' RK 0 07!04/06 4 6735 5906 39 /MG DMY RK 0 03/28/15 Minimum ID =2.813" @ 1803' 3 7645 6598 41 MMG DMY RK 0 12/29/04 3-1/2" H E S X NIPPLE 2 8555 7313 38 MMG MAY RK 0 03/28/15 1 9308 7917 37 MMG DMY RK 0 03/28/15 3-1/2"HES RPM GAUGE CARRIER, H 935T 9337' 3-112"HES X NP,ID=2.813" w/CABLE TO SURFACE N IA 936T H 3-1/2"X 4-1/2"XO,13=2.94" 93n.' H 7"X 4-1/2"BKR S-3 PKR,ID=3.875" 9383' —14-1/2"X 3-1/2"XO,D=2.98" 9404' —13-1/2"HES X NIP,D=2.813" 9425' —13-1/2"HESX NIP,ID=2.813" &E. 942T —17"X 5"BKR ZXP LTP w/TIEBK SLV,D=5.25" 3-1/2"TBG,9.2#,13CR80 VAM TOP, H 9437' 9435' —3 1/2"X 4-1/2"XO,ID=2.992" .0087 bpf,D=2.992" I 9438' H4-112"WLEG,D=2-930" —I ELMD TT NOT LOGGED 7"CSG 26#,L-80 BTC-M,ID=6.276 —I 10288' 9450' 7"X 5"BKR FLEX LOCK HGR ID=4.443" 9459' H 5"X 4-112"XO,D=3.930" PERFORATION SUMMARY Nig REF LOG: SIAS VISION RESISTNITY 12/15/04 10740' —I4 1/2"X 3-1/2"TT WI STOCK(10/06/15) ANGLE AT TOP PERF: 93"@ 11830' ' Note:Refer to Ptoduction DB for historical perf data SIZE SPF INTERVAL Opn/Sqz SHOT SQZ ' 2-718" 6 11830-11910 0 12/29/04 2-7/8" 6 12010-12220 0 12/29/04 ' 2-7/8" 6 12300-12370 0 12/29/04 2-7/8" 6 12420-12600 0 12/29/04 2-718" 6 12650-13090 0 12/29/04 I I MID H 13107' 111111 4-1/2"LMR,12.6#,L-80 HYD,-0152 bpf,D=3.958" —I 13190' �9�9�9991 DATE REV BY COMMENTS DATE REV BY COMMENTS PRI /HOE BAY INT 12/31/02 D-14 INITIAL COMPLETION 04/02/15 DJS/JMD GLV C/O(03/28/15) WELL: L-02A 01/01/05 TA SIDETRACK(L-02A) 06/29/15 DU/PJC TREE C/O FERAIT No: 2041490 02/17/05 DAV/PJC GLV 0'O 07/21/15 PJC CSG/LMR/TBG-PRE RIG CLEAN API No: 50-029-23048-01 06/28/05 PJC GLV DEPTH CORRECTIONS 07/22/15 PJC BF UPDATE(BELL 2013) SEC 34,T12N,R11 E,2528'FSL&1420'FWL 10/16/05 SGS/TLH DRLG DRAWING CORRECTIONS 07/04/06 KSB/PAG GLV C/O BP Exploration(Alaska) Gyrodata Incorporated • "` 23000 Northwest Lake Dr. date/ Houston, Texas 77095 Precision Wellbore Placement T: (281)213-6300 • F: (281)213-6301 SCANNED JUN 0 7 2016 REr Ely ec pOGCC SURVEY REPORT BP Exploration L-Pad #L-02A Wellhead Prudhoe Bay, North Slope Borough, AK AK0715GCM147 2 July 2015 RIGHT PLACE FIRST TIME www.gyrodata.com Gyrodata Incorporated • • ,23000 Northwest Lake Dr. gyro/data Houston,Texas 77095 Precision Wellbore Placement T: (281) 213-6300 • F: (281)213-6301 September 8, 2015 State of Alaska - AOGCC Attn: Makana Bender 333 W. 7th Ave, Suite 100 Anchorage, Alaska 99501 Re: L-Pad, Well # L-02A Prudhoe Bay, Alaska Enclosed, please find one (1) copies, and one (1) disk of the completed survey for the above referenced well. We would like to take this opportunity to thank you for using Gyrodata, and we look forward to serving you in the future. Sincerely, Kelly Landram Senior Operations Assistant RIGHT PLACE FIRST TIME www.gyrodata.com • • U a) a) w a> a Tt C o N O 4.-.N O r •a 0 .0 :- aa) 4 , �° v' 0 0 8 a o 0 a> o `� a) 0 ¢ > F- — C 3 c .° r E 'fic 0 ° ° ° •2, 0 >, x C7 al -0 = o ° U a> c� o 6 2 > Li a 6)r4 0 °° a as .- 0 ;. 5 I. U ° Z o ° 's. a) a> cc � �., E rn U 0 0 `. vi* U ccl CQ S�, • N a' 0 CoU CA — o o 0 - N ¢ clz N N O O• > „i- ¢ L ¢ > U x ¢ N`"'. 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J • • ice • • • - H a) II • • • • O m O " D N • - Cr) 1- .fl • E Li �'• *I U - - O • M O .Y Q V) N O C - O O N O � a � o aJO x _ +� CI' O '4. c i o co up N 0 (400l/baP) AIIII3A3S 93190a • • Survey QC - RGS-CT Specification Sheet gyro/data SURVEY QUALITY CONTROL-SPECIFICATION DATA PRE-30B CALIBRATION VERIFICATION CHECK(ROLL TEST) 1 Station ToolFace Gravity Error Scale Factor Rate Error (deg) (Mg) Uncertainty (deg/min) 68 270.03 145.48 0.00003603 -4.10 67 270.04 157.63 0.00003904 -3.37 66 225.74 361.90 0.00009044 -4.73 65 225.74 369.37 0.00009231 -5.38 64 46.57 382.88 0.00009566 -1.74 63 46.57 387.43 0.00009680 -2.44 62 0.92 51.25 0.00001293 -3.42 61 0.92 60.30 0.00001522 -3.97 60 331.06 -205.41 -0.00005162 -3.94 59 331.07 -200.85 -0.00005048 -4.15 58 299.76 -171.70 -0.00004273 -3.42 57 299.76 -171.98 -0.00004280 -3.41 56 270.26 149.37 0.00003700 -1.78 55 270.27 160.20 0.00003968 -1.48 54 240.51 367.53 0.00009143 -1.82 53 240.51 355.91 0.00008854 -2.20 52 208.26 318.05 0.00007992 -0.26 51 208.26 317.24 0.00007972 -0.63 50 181.74 95.30 0.00002405 -5.41 49 181.74 109.97 0.00002776 -3.49 48 149.75 -137.80 -0.00003462 -1.93 47 149.75 -139.51 -0.00003505 -1.61 46 118.87 -73.10 -0.00001819 0.20 45 118.87 -71.10 -0.00001769 0.21 44 88.37 237.10 0.00005874 -0.05 43 88.37 235.09 0.00005824 -0.40 42 58.97 408.33 0.00010164 -0.55 41 58.97 406.06 0.00010107 -0.49 ' 40 29.22 303.42 0.00007623 -1.32 39 29.22 309.09 0.00007765 -1.05 38 0.18 53.62 0.00001353 -3.02 37 0.17 57.57 0.00001453 -2.84 36 269.88 165.25 0.00004093 -4.15 35 269.88 168.56 0.00004175 -3.78 34 224.92 390.26 0.00009756 -5.86 33 224.92 391.18 0.00009779 -7.52 32 44.65 404.90 0.00010123 -2.90 31 44.65 406.84 0.00010172 -3.60 30 0.24 73.62 0.00001858 -3.90 29 0.24 78.60 0.00001984 -5.36 28 329.78 -199.12 -0.00005002 -4.63 27 329.78 -189.30 -0.00004756 -3.86 26 299.86 -148.03 -0.00003684 -4.14 25 299.86 -140.65 -0.00003500 -3.98 24 271.40 166.32 0.00004120 -2.26 23 271.40 172.69 0.00004278 -3.47 22 241.58 383.37 0.00009535 -2.10 21 241.58 403.72 0.00010042 -2.18 20 211.20 360.94 0.00009063 -1.91 19 211.20 373.52 0.00009379 -2.01 18 182.09 144.10 0.00003638 -1.26 17 182.10 148.97 0.00003760 -2.41 16 150.93 -112.08 -0.00002817 -1.77 15 150.93 -104.35 -0.00002623 -2.08 14 120.56 -55.31 -0.00001377 0.20 13 120.56 -53.58 -0.00001334 -0.14 12 92.19 245.96 0.00006094 -1.07 11 92.19 251.03 0.00006220 -0.84 10 60.77 459.21 0.00011426 -1.60 9 60.77 450.59 0.00011211 -3.08 SURV-Q167(OPS SUR-MA-003) 19`^Nov 03/Rev 15 Page 1 of 6 AK0715GCM147 0 i Survey QC - RGS-CT Specification Sheet Ylft4da t a 8 27.65 319.06 0.00008019 -1.75 7 27.65 333.01 0.00008370 -1.87 6 0.18 57.02 0.00001439 -4.44 5 0.18 57.50 0.00001451 -5.19 MBO -0.12 Gravity Error= 156.76 Scale Factor Uncertainty = 0.00003912 Rate Error= -2.64 POST-30B CALIBRATION VERIFICATION CHECK(ROLL TEST) Station ToolFace Gravity Error Scale Factor Rate Error (deg) (Mg) Uncertainty (deg/min) 16671 270.45 138.22 0.00003424 -3.34 16670 270.45 132.25 0.00003276 -4.09 16669 225.84 345.63 0.00008637 -4.11 16668 225.84 345.03 0.00008622 -5.55 16667 44.66 341.85 0.00008546 -1.63 16666 44.66 346.91 0.00008672 -3.06 16665 0.80 46.26 0.00001167 -3.37 16664 0.81 64.15 0.00001619 -3.84 16663 331.06 -214.65 -0.00005394 -6.47 16662 331.06 -210.30 -0.00005285 -6.88 16661 299.64 -170.55 -0.00004244 -3.63 16660 299.64 -168.75 -0.00004199 -3.17 16659 269.64 125.44 0.00003107 -1.86 16658 269.64 139.24 0.00003449 -3.43 16657 239.78 349.85 0.00008705 -0.26 16656 239.78 350.37 0.00008718 -2.38 16655 210.93 328.06 0.00008238 -0.98 16654 210.93 330.21 0.00008292 -3.31 16653 179.27 106.38 0.00002685 0.20 16652 179.27 111.20 0.00002807 -1.86 16651 149.52 -136.81 -0.00003437 -0.16 16650 149.52 -127.05 -0.00003192 -0.20 16649 120.38 -95.21 -0.00002370 0.29 16648 120.38 -87.76 -0.00002185 0.69 16647 89.25 211.64 0.00005243 2.91 16646 89.25 216.33 0.00005359 1.92 16645 58.48 394.18 0.00009813 1.70 16644 58.48 396.84 0.00009879 1.71 16643 29.64 321.36 0.00008072 -1.25 16642 29.64 313.47 0.00007874 -2.65 16641 0.35 66.31 0.00001674 -4.94 16640 0.35 79.28 0.00002001 -4.88 16639 270.07 125.42 0.00003107 -3.27 16638 270.07 141.01 0.00003493 -3.61 16637 226.34 362.43 0.00009056 -7.94 16636 226.34 368.32 0.00009203 -7.98 16635 44.81 383.20 0.00009580 -2.09 16634 44.81 383.23 0.00009581 -1.88 16633 359.88 58.48 0.00001476 -5.20 16632 359.88 66.51 0.00001679 -5.50 16631 329.82 -202.80 -0.00005095 -5.57 16630 329.82 -201.34 -0.00005058 -4.02 16629 300.30 -173.72 -0.00004324 -1.92 16628 300.30 -162.87 -0.00004054 -3.31 16627 270.19 137.89 0.00003415 -2.13 16626 270.20 142.22 0.00003523 -0.74 16625 240.02 365.76 0.00009101 -2.13 16624 240.02 370.26 0.00009213 -2.80 16623 210.51 331.47 0.00008324 -4.56 16622 210.51 344.60 0.00008654 -3.33 16621 180.37 108.42 0.00002737 -4.43 16620 180.36 124.31 0.00003138 -4.30 16619 149.97 -128.95 -0.00003240 -1.25 SURV-Q167 COPS SUR-MA-003) 19th Nov 03/Rev 15 Page 2 of 6 AK0715GCM147 i • • Survey QC - RGS-CT Specification Sheet gri gOlata 16618 149.97 -124.85 -0.00003137 0.60 16617 119.96 -86.79 -0.00002160 0.11 16616 119.96 -82.66 -0.00002058 0.50 16615 90.79 213.90 0.00005299 2.10 16614 90.79 217.84 0.00005397 0.87 • 16613 59.13 392.24 0.00009762 0.39 16612 59.13 396.82 0.00009876 -0.97 16611 30.59 336.63 0.00008454 -1.78 16610 30.59 351.53 0.00008828 -2.93 16609 0.97 94.85 0.00002394 -6.59 16608 0.97 106.08 0.00002678 -8.42 MBO = 0.14 Gravity Error= 142.95 Scale Factor Uncertainty = 0.00003569 Rate Error= -2.53 INITIALISATION Gyro Compass Reading/Station Raw Inclination Raw Azimuth Abs(ERMeas-ERTheo) 120 10.34 321.30 0.0291 121 10.34 321.18 0.0178 122 10.34 321.07 0.0031 123 10.34 321.09 0.0228 124 10.34 321.23 0.0113 j 125 10.34 321.06 0.0127 Average 10.34 321.16 0.0161 Tolerance on Average* 0.0826 Standard Deviation 0.00 0.10 0.0092 Tolerance on St. Dev.** 0.10 0.2° 0.0390 Advanced Initialisation Azimuth Advanced Initialisation Standard Deviation Tolerance =TBA * Tolerance on Average of earth horizontal rate difference is given by (1/Cos1)*J[(CosA*SinI*0.1)2+0.082] °/hr ** Tolerance on Standard Deviation of earth horizontal rate difference tolerance is given by (1/Cosi)*I+[(CosA*SinI*0.1)2+(0.082/(n-1))] °/hr DRIFT TUNES Drift Tune Ending Ending Ending Ending Residual Gx Bias Residual Gy Bias Number Time Depth Inclination Azimuth Start End Start End 1 730.92 3200.09 25.32 316.70 0.001 0.000 -0.001 0.002 2 1274.71 4400.02 39.58 289.92 -0.002 0.004 -0.003 0.003 3 1364.80 6400.04 38.71 288.08 -0.001 0.003 -0.006 0.005 4 1193.22 8203.88 36.64 284.19 -0.005 0.005 -0.007 0.007 5 863.40 9200.03 37.68 270.11 0.000 -0.001 -0.010 0.010 6 614.75 9600.07 35.40 272.04 0.003 -0.003 -0.003 0.003 7 997.75 10450.03 51.71 275.21 -0.005 0.005 -0.001 0.001 8 467.50 10739.48 77.81 274.67 -0.001 0.001 -0.002 0.001 9 645.95 10450.03 52.70 275.13 -0.002 0.002 0.002 -0.002 10 1031.19 9599.95 35.01 272.61 -0.000 -0.001 0.003 -0.003 11 644.27 9199.99 37.69 270.09 -0.000 -0.001 -0.001 0.001 12 1132.66 8203.97 36.56 284.36 0.002 -0.003 0.002 -0.003 13 985.53 7299.95 41.14 288.96 0.004 -0.004 -0.005 0.005 14 1043.11 6399.98 38.61 287.78 0.005 -0.005 0.004 -0.003 SURV-Q167(OPS SUR-MA-003) 19th Nov 03/Rev 15 Page 3 of 6 AK0715GCM147 • • ,. Survey QC - RGS-CT Specification Sheet %go/data 15 1139.91 5400.02 40.79 284.68 0.009 -0.009 0.008 -0.008 16 1091.00 4400.00 39.95 290.01 0.001 -0.000 0.006 -0.007 17 1248.10 3200.09 25.86 316.83 0.002 0.001 0.008 -0.006 18 833.73 2587.98 10.48 320.21 -0.005 0.006 0.002 -0.003 Average 0.000 -0.000 -0.000 0.000 Standard Deviation 0.004 0.004 0.005 0.005 Tolerance for both the Average and the Standard Deviation 0.033°/hr 0.033°/hr 0.033°/hr 0.033°/hr INCLINATION AND AZIMUTH INRUN AND OUTRUN COMPARISON Depth I Corrected Inclination Corrected Azimuth Inrun* I Outrun * I Difference Inrun * I Outrun* I Difference 100.00 0.32 0.28 0.03 140.14 130.08 10.06 200.00 0.57 0.45 0.12 127.52 133.80 -6.28 300.00 0.70 0.84 -0.14 114.93 127.13 -12.20 400.00 0.67 0.79 -0.12 123.14 114.28 8.85 500.00 1.35 1.10 0.24 114.07 110.60 3.47 600.00 1.20 1.15 0.05 115.32 108.63 6.70 700.00 0.57 0.52 0.05 41.62 47.99 -6.37 800.00 0.99 0.85 0.13 333.42 340.41 -6.99 900.00 1.62 1.53 0.10 313.62 317.21 -3.59 1000.00 2.00 1.82 0.18 318.59 314.55 4.04 1100.00 2.20 2.07 0.13 310.44 314.01 -3.58 1200.00 2.37 2.55 -0.17 311.65 308.47 3.18 1300.00 3.48 3.42 0.06 313.93 309.31 4.62 1400.00 6.24 6.07 0.17 314.84 312.08 2.76 1500.00 7.00 6.87 0.14 313.39 311.92 1.46 1 1600.00 7.83 7.69 0.14 310.14 310.67 -0.53 1700.00 7.32 7.60 -0.27 306.33 308.57 -2.24 1800.00 8.96 8.80 0.15 307.64 307.76 -0.12 1900.00 8.49 8.62 -0.13 305.73 307.12 -1.39 2000.00 8.21 8.30 -0.09 304.89 307.12 -2.22 2100.00 8.14 8.27 -0.13 306.19 307.53 -1.34 2200.00 8.24 8.46 -0.22 311.74 312.75 -1.01 2300.00 8.39 8.61 -0.22 312.12 311.86 0.25 2400.00 8.54 8.75 -0.22 311.47 312.00 -0.53 2500.00 8.50 8.79 -0.29 310.63 312.12 -1.49 2600.00 10.34 10.60 -0.26 321.04 320.78 0.26 2700.00 17.75 17.71 0.04 328.14 328.05 0.09 2800.00 21.49 21.81 -0.32 332.12 332.81 -0.68 2900.00 22.04 22.34 -0.30 332.38 333.01 -0.63 3000.00 22.93 23.23 -0.30 325.70 326.04 -0.35 3100.00 23.85 24.22 -0.37 318.44 318.63 -0.20 3200.00 25.29 25.71 -0.42 316.71 317.01 -0.30 3300.00 27.22 27.61 -0.40 317.80 318.33 -0.53 3400.00 30.89 31.24 -0.36 319.77 320.24 -0.47 SURV-Q167(OPS SUR-MA-003) 19th Nov 03/Rev 15 Page 4 of 6 AK0715GCM147 0 ! Survey QC - RGS-CT Specification Sheet gyro/data 3500.00 34.15 34.54 -0.39 320.76 321.28 -0.52 3600.00 35.42 35.73 -0.31 317.35 317.52 -0.17 3700.00 35.92 36.22 -0.31 310.80 310.88 -0.08 3800.00 36.29 36.67 -0.37 305.93 306.15 -0.23 3900.00 36.48 36.87 -0.39 300.89 301.23 -0.35 4000.00 37.55 37.89 -0.34 297.03 296.96 0.07 4100.00 39.40 39.72 -0.32 293.49 293.58 -0.10 4200.00 39.81 40.06 -0.25 290.49 290.47 0.02 4300.00 39.77 40.10 -0.33 290.26 290.27 -0.01 4400.00 39.57 39.87 -0.29 289.93 289.94 -0.01 4500.00 39.29 39.61 -0.32 291.58 291.60 -0.02 4600.00 40.20 40.49 -0.30 291.74 291.66 0.08 4700.00 41.66 41.91 -0.26 289.88 289.81 0.06 4800.00 41.73 41.96 -0.23 287.24 287.03 0.20 4900.00 42.06 42.30 -0.24 286.31 286.25 0.07 5000.00 41.74 42.01 -0.27 286.02 285.97 0.05 5100.00 41.12 41.34 -0.22 285.82 285.74 0.07 5200.00 40.92 41.14 -0.22 285.63 285.54 0.08 5300.00 40.74 40.95 -0.22 285.14 285.03 0.11 5400.00 40.61 40.77 -0.16 284.89 284.74 0.15 55010.00 40.89 41.09 -0.21 284.13 283.98 0.15 5600.00 40.52 40.74 -0.22 284.24 284.09 0.14 5700.00 40.29 40.52 -0.23 283.95 283.80 0.16 5800.00 39.89 40.15 -0.27 284.00 283.86 0.14 590;0.00 40.23 40.42 -0.19 285.27 285.00 0.27 6000.00 40.07 40.24 -0.17 286.39 286.09 0.30 6100.00 38.76 38.93 -0.17 286.80 286.56 0.24 6200.00 38.62 38.80 -0.19 287.08 286.78 0.30 6300.00 39.78 39.99 -0.21 288.22 287.95 0.27 6400.00 38.69 38.88 -0.19 288.08 287.82 0.26 6500.00 39.86 40.04 -0.18 289.08 288.77 0.30 6600.00 38.17 38.37 -0.20 288.98 288.72 0.25 6700.00 39.01 39.21 -0.19 289.34 289.04 0.31 6800.00 38.26 38.38 -0.12 288.85 288.49 0.36 6900.00 38.80 38.90 -0.10 288.83 288.50 0.33 7000.00 40.39 40.48 -0.10 288.97 288.59 0.37 7100.00 39.62 39.65 -0.04 288.43 288.10 0.33 7200.00 42.06 42.10 -0.05 290.05 289.68 0.36 7300.00 41.07 41.16 -0.09 289.31 288.98 0.33 7400.00 40.77 40.82 -0.05 290.40 290.11 0.28 7500.00 41.61 41.69 -0.08 292.01 291.68 0.33 7600.00 40.89 40.92 -0.04 292.59 292.28 0.31 7700.00 40.25 40.16 0.09 292.24 292.27 -0.03 7800.00 39.55 39.47 0.07 292.69 292.66 0.03 SURV-Q167(OPS SUR-MA-003) 19th Nov 03/Rev 15 Page 5 of 6 AK0715GCM147 • 40 , Survey QC - RGS-CT Specification Sheet gyro/data 7900.00 38.84 38.77 0.07 292.44 292.46 -0.02 8000.00 37.52 37.49 0.04 293.24 293.32 -0.08 8100.00 36.95 36.90 0.04 289.45 289.48 -0.03 8200.00 36.71 36.63 0.08 284.16 284.11 0.05 8300.00 37.71 37.65 0.06 281.72 281.79 -0.07 8400.00 38.47 38.36 0.11 277.82 277.82 0.00 8500.00 38.94 38.81 0.13 274.09 274.14 -0.05 8600.00 38.08 38.05 0.04 272.29 272.30 -0.02 8700.00 37.93 37.88 0.05 268.42 268.35 0.07 8800.00 36.53 36.47 0.06 270.64 270.62 0.02 8900.00 36.39 36.38 0.02 270.27 270.34 -0.07 9000.00 35.69 35.62 0.07 269.39 269.30 0.09 910,0.00 35.63 35.56 0.07 268.61 268.47 0.14 9209.00 37.63 37.59 0.04 270.10 270.06 0.04 9300.00 36.67 36.73 -0.05 271.38 271.39 -0.01 9400.00 37.31 37.30 0.01 272.12 271.96 0.16 9500.00 37.05 36.90 0.15 272.39 272.35 0.04 9600.00 35.36 35.21 0.15 272.55 272.50 0.04 97010.00 34.30 34.16 0.14 272.76 272.74 0.01 9800.00 33.15 32.98 0.17 272.51 272.47 0.04 990;0.00 32.84 32.66 0.18 272.09 272.08 0.01. 10000.00 33.02 32.85 0.17 272.16 272.17 -0.01 10100.00 33.92 33.75 0.17 272.44 272.44 0.00 10200.00 34.68 34.49 0.18 273.25 273.23 0.02 10300.00 36.39 36.18 0.21 274.07 274.06 0.01 10400.00 46.35 46.32 0.02 275.29 275.29 0.00 10500.00 57.01 56.97 0.04 273.97 274.01 -0.05 10600.00 64.30 64.29 0.01 273.27 273.29 -0.01 10700.00 75.46 75.44 0.02 274.08 274.11 -0.03 Average -0.0875 0.0345 Standard Deviation 0.1804 0.2243 Tolerance for both the Average and the Standard Casing 0.3° Casing .0.5° Deviation Drillpipe 0.3° Drillpipe 0.75° * Inclination and Azimuth interpolated to same depths as shown. SURV-Q167(OPS SUR-MA-003) 19'"Nov 03/Rev 15 Page 6 of 6 AK0715GCM147 S 411 • Survey QC - RGS-CT Analysis Sheet gliMidata SURVEY QUALITY CONTROL- DATA ANALYSIS REFERENCE SYSTEMS Grid System I I Grid Correction 10.00 Azimuth reference: Grid/True North TRUE NORTH Vertical reference: RKB/MSL/Other RKB I If other give details I TIE ON DATA Depth 0.00 Inclination 0.00 Azimuth 0.00 I TVD 10.00 Northinqs 0.00 Eastings 0.00 Latitude 70.3505 Az. Ref: True Grid Corrected Y/N? N Description Grid/True CALIBRATION Tool Number I F0052 I Calibration Date 117 May 2014 OPERATING TEMPERATURE Calibration range From 50.48 To 120.02 Gyro operating range From 64.37 To 111.40 I Spec'-Within calibration range FIELD ROLL TEST (Only valid on fixed structures. When not possible input roll test data performed after return to base) Cal value Pre job offset Post job Abs dif.cal.post Abs dif.pre.post Spec' offset Accel Scale 0.000056 0.000039 0.000036 0.000036 0.000003 Cal/Post-0.00015 Mass Unbalance 0.53 -0.12 0.14 0.14 0.27 Pre/Post-0.4°/hr I NITIAM!ISATION Depth'(Approx) 2600.03 No of stns 6 Spec'-Min No. -6 Azimuth Mean 321.16 Std deviation 0.10 Spec'-Azi SD 0.2° Inclination Mean 10.34 Std deviation 0.00 Spec'- Inc SD 0.1° Earth[Horizontal Rate Mean (Abs(meas-theor)) 10.02 Std deviation 0.01 Spec'-See Q167 DRIFT TUNE Residual x gyro bias Mean -0.000 Std dev' 0.004 Spec's -Mean and SD -0.333°/hr Residual y gyro bias Mean 0.000 Std dev' 0.005 Spec's- Mean and SD-0.3330/hr TOOLFACE RATE I Maximum toolface rate 1111.76 I Spec'-400°/sec IN/OUT COMPARISON (AZI' N/A IF INC' <15°) Inclination Difference Mean -0.09 Std dev' 0.18 Spec's-Casing 0.3°/Drill pipe 0.3° Azimuth Difference Mean 0.03 Std dev' 0.22 Spec's-Casing 0.5°/Drill pipe 0.75° Lateral Divergence/1000 1.00 Spec- 5.0/1000 Vertical Divergence/1000 0.88 Spec'- 2.0/1000 DEPTH CONTROL Wireline Company Schlumberger I Line type 7/32" Encoder SF I Schlumberger Max Depth (TD) 10733 CCL Corrected NO Zero Depth(Rig up) RKB @ 76.5'AMSL Rezero Depth 12.8 Given pup joint depth NA Measured PJ NA Strech cor.At TD divided by TD/1000 .8411 Spec'- 1.5/1000 Dif. Between rigup and rezero depths divided by TD/1000 1.196 Spec'-2.0/1000 Dif. Between given and meas depth divided by meas/1000 NA Spec'- 2.0/1000 SURV-Q165(OPS SUR-MA-010)22' Jan 2004/Revision 20 Page 1 of 1 AK0715GCM147 I • Survey QC - RGS-CT Acceptance Sheet gyro/data FIELD AND SURVEY INFORMATION Operator BPXA Field/Platform WELLHEAD SCHLUMBERGER WLS Well Number PRUDHOE BAY (WOA) L-02A Survey section From 0.00 ft. to 10733.00 ft. Date 02.Jul 2015 Gyrodata Job No AK0715GCM147 Gyrodata Surveyors Henry Drew Job Objective High Accuracy Gyro Survey SURVEY PERFORMANCE In Spec' QC Parameter Yes/No/NA Possible Actions Contact Duty Engineer to discuss options: Operational temperature within Yes 1. Recalibrate tool to higher temperature specification 2. Resurvey with backup tool 3. Resurvey'Hot'section at higher speed Roll test data within specification Contact Duty Engineer to discuss options: Only valid on land/fixed installations Yes 1. Recalibrate tool and reprocess survey 2. Resurvey with backup tool Continuous initialisation within Take new initialisation,after three failures: specification Yes 1. Contact Duty Engineer or, 2. Resurvey with back up tool. Contact Duty Engineer to discuss options: Toolface rate within specification Yes Resurvey section from previous bias check Investigate and comment if effects are negligible Contact Duty Engineer to discuss options: Drift tunes within specification Yes 1. Reprocess with different software settings 2. Resurvey with backup tool Inrun/O;utrun comparison within Contact Duty Engineer to discuss options. specification Yes Resurvey is usually not required if either inrun or outrun meet all other QC parameters Depth control within specification Yes Contact Duty Engineer to discuss options. Action taken: Note: Provided satisfactory action has been taken, parameters out with specification will not necessarily fail a survey. SURVEY ACCEPTED Gyrodata Representative Client's Representative SURV-Q166(OPS SUR-MA-003)13th Nov 03/Revision 12 Page 1 of 1 AK0715GCM147 tiOr T� 4, ,,\ �j,-s� THE STATE Alaska Oil and Gas ���- �M OfA T TA Conservation Commission t itf----_:_-2-_-,--4---,-.,-- 333 Wesi Seventh Avenue -Virl / GOVERNOR BILL WALKER Anchorage, Alaska 99501-3572 Main: 907.279.1433 Off"4LAS1`°' Fax: 907.276 7542 P ri.. ! U\V www.aogcc alaska.gov OJohn McMullen '' 114-I Engineering Team Leader BP Exploration(Alaska), Inc. ..-%"------"-------'a 113 P.O. Box 196612 Anchorage, AK 99519-6612 Re: Prudhoe Bay Field, Prudhoe Bay Oil Pool, PBU L-02A Sundry Number: 315-257 Dear Mr. McMullen: Enclosed is the approved application for sundry approval relating to the above referenced well. Please note the conditions of approval set out in the enclosed form. As provided in AS 31.05.080, within 20 days after written notice of this decision, or such further time as the AOGCC grants for good cause shown, a person affected by it may file with the AOGCC an application for reconsideration. A request for reconsideration is considered timely if it is received by 4:30 PM on the 23rd day following the date of this letter, or the next working day if the 23rd day falls on a holiday or weekend. Sincerely, a184 Cathy P. oerster Chair DATED this .144- y of May, 2015 Encl. • STATE OF ALASKA �����D ALA:..-,‘OIL AND GAS CONSERVATION COMI1,.._SION APPLICATION FOR SUNDRY APPROVAL APR 2 g 20 AAC 25.280 07-S Y��1 / 3 1. Type of Request: 1\�G cC ❑Abandon • ®Plug for Redrdl 0 Perforate New Pool 0 Repair Well 0 Change Approved Program✓ ❑Suspend 0 Plug Perforations 0 Perforate ❑Pull Tubing 0 Time Extension ❑Operations Shutdown 0 Re-Enter Suspended Well 0 Stimulate 0 Alter Casing ❑Other 2 Operator Name 4 Current Well Class 5. Permit To Drill Number BP Exploration(Alaska)Inc. ❑Exploratory ❑Stratigraphic 204-149 3. Address. ®Development ❑Service 6. API Number: P.O. Box 196612,Anchorage,Alaska 99519-6612 50-029-23048-01-00 ' 7. If perforating' 8. Well Name and Number: What Regulation or Conservation Order governs well spacing in this pool? PBU L-02A • Will planned perforations require a Spacing Exception? 0 YesNo 9. Property Designatior 10.Field/Pool(s). ADL 028239&047449 • Prudhoe Bay Field/Prudhoe Bay Oil Pool • 11. PRESENT WELL CONDITION SUMMARY Total Depth MD(ft). Total Depth TVD(ft): Effective Depth MD(ft) Effective Depth TVD(ft): Plugs(measured): Junk(measured) 13193' • 8901' • 13106' 8905' None None Casing Length Size MD TVD Burst Collapse Structural Conductor 80' 20" 29'- 109' 29'- 109 1490 470 Surface 2547' 9-5/8" 28'-2575' 28'-2562' 5750 3090 Intermediate 10262' 7" 26'- 10288' 26'-8717' 7240 5410 Production Liner 3763' 4-1/2" 9427'- 13190' 8008'-8901' 8430 7500 Perforation Depth MD(ft). Perforation Depth TVD(ft). Tubing Size: Tubing Grade: Tubing MD(ft): 11830'- 13090' 8973'-8906' 3-1/2",9.2# 13Cr80 9438' Packers and SSSV Type: 7"x 4-1/2"Baker S-3 Packer Packers and SSSV 9379'/7969' MD(ft)and TVD(ft): 12. Attachments' 13.Well Class after proposed work ®Description Summary of Proposal ®BOP Sketch 0 Detailed Operations Program 0 Exploratory 0 Stratigraphic ®Development 0 Service 14. Estimated Date for 15. Well Status after proposed work: Commencing Operation. August 1,2015 0 Oil 0 WINJ 0 WDSPL 0 Plugged 16. Verbal Approval: Date ❑Gas ❑GINJ ❑GSTOR 0 Abandoned Commission Representative: 0 WAG 0 SPLUG ®Suspended • 17. I hereby certify that the foregoing is true and correct to the best of my knowledge Contact: Nathan Sperry,564-4258 Printed Name: J51111541fiel Tale: Engineering Team Leader Email: Nathan.Sperry©bp.com Signatu _ \ 7._______.(.._ - Phone: 564-4711 Date: -(7 a 3 7/5 Commission Use Only Conditions of approval: Notify Commission so that a representative may witness Sundry Number: --2 t S , 2.5-1 ❑Plug Integrity LI BOP Test 0 Mechanical Integrity Test 0 Location Clearance Other: 50p tcjt fa 3 Ors; (�P5p iJ ,5//% psL A- rlvzuIar prev« Jarr fr3f fD 25-G'[7 p5r - A/fiervia tc pi p/ (-z.- rn z-vil- A pi-Dv-e-c/ pc r ,2o ft�C 2 S.//Z (t Spacing Exception Required? 0 Yes "No Subsequent Form Required: `O , 9 ei 2 / APPROVED BY Approved By: T � COMMISSIONER THE COMMISSION Date: 5-6 --/S Form 10-403 Revised 0/2012 AOo rdtl ip cjtik Is li for 12 months from the date of approval Submit In Duplicate VII- s e 5-//// t . ...) c i 4 I- `04/.( A . I z �S RBDMSAl'\* V" 1 1 2015 To: Alaska Oil &Gas Conservation Commission From: Nathan Sperry 0 bp CTD Engineer Date: April 9, 2015 Re: L-02A Sundry Approval Sundry approval is requested to plug the L-02A perforations as part of the drilling and completion of proposed L- 02B coiled tubing sidetrack. History and current status: L-02A is a Zone 4 horizontal well drilled and completed 2005. L-02A was initially a competitive producer but the gross fluid rate rapidly declined and the well quickly became uncompetitive. v Proposed plan: L-02B will exit from well L-02A by the Nordic 1 Coiled Tubing Drilling rig on or around . October 1st, 2015. The L-02B sidetrack will exit through the existing 4-1/2" liner and kick off in Zone 4 and target Zone 4 reserves. The proposed sidetrack is a -2,285' horizontal Ivishak Zone 4 producer, which will access a-92 acre target. The lateral will be completed with a 2-3/8" L-80 liner which will be fully cemented and perforated. This Sundry covers plugging the existing L-02A perforations via the L-02B liner cement job or a liner top packer set with post-rig if liner lap test fails (alternate plug placement per 20 AAC 25.112(i)). The following describes work planned and is submitted as an attachment to Form 10-403. A schematic diagram of the proposed sidetrack is attached for reference. .T Co ear. l�r�s -ell cct07 e /70.44-75 0- ' 1 /KO f/2 dor' yvcf ero ctvc��y LOO io/ 0 .,'i-44'0 Q y ergs. G1A foe cIIAmaisc4 1 K q c4 or erfod o,A rAr e 100 . U y 74e /or f er i'o d p c- OIL-cif"r/1CG( �d�� -;on �lie Wel! roe&ctd — (00 Ai9, b r f� P P el`10 20 Io lv;74ti' w arer Cuff o� 95i Ove 1100 , /Po1i /�� wef�iov am a( a h If P��gG p/z , i 743 we�� TC7� ed' all O w for- Bry vcv( re cover y -from y'Ae `0©o vfr/3— Pre-Rig Work(scheduled to begin August 1st, 2015) 1. V Pre-CTD tree work. 2. V Set TWC. 3. 0 Remove wellhouse and level pad. Rig Work(scheduled to begin October 1st, 2015) 1. MIRU and test BOPE 250 psi low and 3,500 psi high. (MASP 3,119 psi) `-- 2. Pull TWC. Bullhead kill well. 3. Set 3-1/2"x 4-1/2" TT whipstock at 10,750' MD and 2. 10 deg ROHS. 4. Mill 2.74"window and 10'of rathole. 5. Drill build: 3" OH, 768' (20 deg DLS planned). 6. Drill lateral: 3" OH, 1,497' (12 deg DLS planned). 7. Run 2-3/8" L-80 liner leaving TOL at—9,410' MD. 8. Pump primary cement job: 28 bbls, 15.3 ppg, TOC at TOL—9,410' MD* 9. Perform liner cleanout and GR/CCL log only if plug does not bump. 10. Perform liner lap test to 2,400 psi. 11. Perforate liner based on log interpretation (-1000'). 12. Freeze protect well to 2,500' MD. 13. Set TWC; RDMO. Post-Ri Work 1. 0 Re-install wellhouse, flow line and pull TWC. 2. S Install LTP (if necessary. Set GLV's *Approved alternate plug placement per 20 AAC 25.112(i) Nathan Sperry CTD Engineer 564-4258 CC: Well File Joe Lastufka TREE= 4-1/8"CNV WELLFEAD_ F ���� LfP -TY NOTES: ***3-1/2-CHROME TBG*** ACTUATOR= WA KB.ELEV= 82' BF.HEV= 53' \ / _ , - 25' —14-1/2"X 3-1/2"XO,ID=2.92" KOP= 900' _ Max Angle= 36 @ 12333' — _ 954' H TAM PORT COLLAR Datum MD= 10,527 Datum TVD= 8800'SS I I 1803' ---13-1/2"HES X NP,D=2.813 6377' H HES ES CEMENTER,D=6.375" GAS LFT MANDRELS 9-5/8'CSG,40#, —I 2581' , ST MD NEVD DTYPE VLV LATCH PORT DATE L-80,D=8.835' 9 2013 2006 8 MM3 DMY RK 0 12/29/04 8 2607 2594 12 MAG DOME RK 16 07/04/06 7 3986 3799 37 MAG DMY RK 0 07/04/06 Minimum ID =2.813" 1803' 6 4927 4517 42 MAG DOME RK 16 07/04/06 3-1/2" HES X NIPPLE 5 5826 5198 40 MAG DMY RK 0 07/04/06 4 6735 5902 39 MAG DOME RK 16 07/04/06 3 7645 6595 41 MMG DMY RK 0 12/29/04 2 8555 7309 38 MAG DOME RK 16 07/04/06 17"FES EZSV(11/23/04) H 2690' Ir 111110.—.61111111111111 9308 7913 37 MAG SO RK 20 07/04/06 9337' —I3-1/2'I IM X NP,13=2.813" 4-1/2"TBG,12.6#,L-80 — 791...................... 97 ' � , 9357' --13-1/2-HES RPM GAUGE CARRBR, 7"CSG,26#,1-80 --I 9953' —5dlI w/CABLE TO SURFACE Fl IA 4-1/2"SLTD LNR,12.6#,L-80 13572 Sh. 9367' --I3-112'X 4-1/2'XO,D=2.94' Z( C9379' H7"X 4-1/2'BKR S-3 PKR,D=3.875' PERFORATION SUMMARY RE LOG: SV V6IONRESISTWF1Y12/15/04 9383' —{4-1/2"X3-1/2"XO,D=2.98' ANGLE AT TOP FERF: 93 @ 11830' Mr Note:Refer to Production DB for historical perf data SIZE SPF NTERVAL Opn/Sqz DATE 2-7/8' 6 11830-11910 0 12/29/04 2-7/8" 6 12010-12220 0 12/29/04 I 9404' —3-1/2"HES X NP,D=2.813" 2-7/8" 6 12300-12370 0 12/29/04 2-7/8" 6 12420-12600 0 12/29/04 ' 9426' —I3-1/2"HES X NP,13=2.813" 2-7/8" 6 12650-13090 0 12/29/04 - 9427' I-17'X 5'BKR ZXP LNR TOP PKR& L.. HNGR w(BACK SLV,D=4.250' I/ 9436' --I3-1/2'X 4-1n'XO,D=2.992" 9438' —4-1/2"WLEG,D=2.930' 3-1/2"TBG,9.2#,13CR80,.0087 bpf,D=2.992" —I 9437 H 8 MD TT NOT LOGGED 9459' --15"X 4-1/2'XO,13=3.930" r CSG 26#,L-80 BTC-M,D=6.276 ---I 10288' • , I I I PBTD — 13107' AAAAA4 4-1/2'LNR,12.6#,L-80 HYD,.0152 bpf,ID=3.958' —1 13190' tleee 1 DATE REV BY COM ENTS DATE REV BY CONVENTS PRUDHOE BAY UNIT 01/01/03 DAGIQC ORIGINAL COMPLETION WELL: L-02A 01/02/05 TA SIDETRACK(L-02A) PERMTNo: `2041490 02/17/05 DAV/PJC GLV C/O AR No: 50-029-23048-01 06!28/05 PJC GLV DEPTH CORRECTIONS SEC 34,T12N,R11 E,2528'NSL&3860'WEL 10/16/05 SGS/TLH DRLG DRAWING CORRECTIONS 07/04/06 KSB/PAG GLV C/O BP Bcploration(Alaska) TREE= 4-1/8'CNV VYBLFEAD= FND S. if NOTES: '3-112'CHROME TBG*** • ACTUATOR= NA L•.0 2 B KB.aE% 82' BF.BEV= 53' \ I 25' -4-1/2"X 3-1/2"XO,0=2.92" KOP= 900' _ Max Angle= 46(T? 12333' -- L964' _H TAM PORT COLLAR Datum MD= 10,527 Datum TVD=-- 8800'SS- i ' I 1803' 113-12"HES X NP,D=2.813" I LI5377' --I HES ES CBNR3dTER,D=6.375'A GAS LET MANDRILS [9-5/a-CSG,40#, --1 2581' .,....K ST 113 TVD DEI/ TYPE VLV LATCH PORT DATE L-80,D=8.835' 9 2013 2006 8 MING DMY RK 0 12129/04 8 2607 2594 12 MkrG DOME RK 16 07/04/06 7 3986 3799 37 LAW DMI' RK 0 07/04/06 Minimum ID =2.813" © 1803' - ' ) 6 4927 4517 42 MNG DOME RK 16 07/04/06 3-112" HES X NIPPLE 5 5826 5198 40 MNG DMY RK 0 07/04/06 4 6735 5902 39 MAG DOME RK 16 07/04/06 3 7645 6595 41 NIG DMY RK 0 12/29/04 2 8555 7309 38 LW DOME RK 16 07/04/06 7'HES EZSV(11/23/04) -I 2680' }— L 1 9308 7913 37 MAG SO RK 20 07/04/06 I Il M { 933T ]-13-1/2'HES X P .D=2.813" I412"TBG.72.6x,L J 8778' g M I I—' 1-3-1/2'I-ES RPM GAUGECAP8 7'CSG,2618,L-80 H 9963' � 2i % - I 19— , w/CABLE TO SURFACE N M I4-1/2"SLID LNR,12.68,L-80 ,-t 13572' 9367' _H3-1/2"X 4-12'XO,D=2.94" ( --- 'p( 9379' - T"X 4-112"BKR S-3 RCR,D=3.875" 1 1 PEFFORATDN SUMA RY Lit _... 1 REF LOG: SWS VISION RES1STN1TY 12/15/04 9363' �4 t2"X 3 12'XO,D=2.98" ANGLE AT TOP Ft3TF: 93 it 11830' I `'I Note:Refer to Production DB for historical pert data 2-3/8" liner w/2.7"deployment I SIZE SPF I M6tVAL OpniSgz I DATE sleeve between X-nipples 2-7/8" 6 11830-11910 1 0 12/29/04 -J 1 2 7/8" 6 12010-12220 0 12/29/04 I I --�l _ H 3-1/2'1" PS X NP,D=2.613" I I 2-7/8' 6 12300-12370 I 0 12/29/04 1425' u3 12'HES X NP D=2.813" 1 2-718' 6 12420-12600 I 0 12/29/04 ' r I t t__ 1 2-718' 6 12650-13090 0 12/29/04 9427' —7'X5'BKR ZXP LNR TOP PKR& iI-NGR w/1EBACK SLV,D=4250' I ____-,^-_ ._.. 9435' i--I3-12'X4-12'XO,D=2.992", 8438' -4-12'WLEG,D=2.930' 13-1/2"The,9-2#,13CR80,.0087bet,D=2.992' H 943r j-�fLMDTTNOT LOGGED 9468' -1--15"X 4-12'XO,D=3.930' }7"CSG zest,L-6o BTC-M,D=6.2781--{ 10286' j IL Pup w/RA tag, location TBD 3-1/2"x 4-1/2"TT whipstock set at ' 10,750' MD and 210 deg ROHS 82 deg Inc at KOP ' 3-1/4"OH to 13,035'MD TD 2-3/8"L-80 liner to 13,035'MD TD I RIM --I 13107' I I111111 4-1/2 LNR,12.6#,L-80 HYD,.0152 bpf,D •/411+44144=3.958' H 13190' 111l11, DATE REV BY COMABYTS DATE REV BY COMP/ 'ITS PRUDHOE BAY UMT 01/01/03 DAC/KK ORIGINAL COMPLETION 03/25/15 NS Roposed CI ; WCL: L-02A 01/02/05 TA _SIDETRACK(L-02A) PR2MT No:"2041490 _ _ __.__ 02/17105 DAV/PJC GLV CIO AR No: 50-029-23048-01 06/28/05 PJC GLV DEPTH CORRaCT10NS SEC 34,TI 2N,Rt 1E,2528'NSL&3860'W L 10/16/05 SGS/TLH DRLG DRAVITIG CORRECTIONS 07/04/06 KSB/PAG GLV C/O BP 6tploration(Alaska) • C 411)1 i Nam ' LL S SIs.I N rc O a o d 1� i Eb m LL Q LL a O a _� g III s y 24111 I ! ' 11 :� 1.1 g 2 f .." ,Iii) 1 111 I M o i It ,` m 1 f a p —MS kio I •iu I c f s I ON '^ a 6 V V 0 m 1 o m 1 4 } < "-Nil 1 I o f.0 Si I N o '111 II : i 11 a` 11 1 X 11 1 I I I I .11 Um iii t I .1 \ a 0 - 0 N U C +® Z I = c 7 r i III: a 111 a A I J Z I E 1 I 111 111 0 U O � `� O 1 I 0 U U0 jWI , 1 _ 111 Iii Q 1 ° = 111 UD MC 1 Illus. 8 �" z re N . 111 roll ■ 7 _ 11 : 11' * Nis �aIazo rc a arW CL Ir &? a W 0 U f © - 11.9 i LLL • • e Yt 01 O .., t N U CD Q P y Ce 11111;: Ill 0)1 //� C Y V/ 2 A F 1 J I. 8: a U 1 al I S I N O s� m M1 : / i 1° 1m 1ii y I 1 nl �1 • a, .. . i a ''11 III I 0¢ ii i sn u p W "2gg „...., I III III 1 n ° 1 111 1O 1 a i 11 �I1' �"I K H gi 1 i Sundry Application Plug for Re-drill Wells Work Flow This process is used to identify wells that are suspended for a very short time prior to being re-drilled. Those wells that are not re-drilled immediately are identified every 6 months and assigned a current status of"Suspended." Step Task Responsible 1 The initial reviewer will check to ensure that the "Plug for Redrill" box in the Patricia or Steve ✓ upper left corner of Form 10-403 is checked. If the "Abandon" or "Suspend" boxes are also checked, cross out that erroneous entry and initial it on both copies of the Form 10-403 (AOGCC's and operator's copies). 2 If the "Abandon" box is checked in Box 15 (Well Status after proposed Patricia or Steve work) the initial reviewer will cross out that erroneous entry and initial it on / both copies of the Form 10-403 (AOGCC's and operator's copies). Instead, then check the "Suspended" box and initial that change. Guy or Victoria The drilling engineers will serve as quality control for steps 1 and 2. (QC) 3 When the Stat Tech receives a Form 10-403 with a check in the "Plug for Jenni Redrill" box, she will enter the Typ_Work code "IPBRD" into the History tab for the well in RBDMS. This code automatically generates a comment in the well history that states "Intent: Plug for Redrill." 4 When the Stat Tech receives any Form 10-407, she will check the History tab Jenni in RBDMS for the "Intent: Plug for Redrill" code (IPBRD). If present and there is no evidence that a subsequent re-drill has been COMPLETED, the Stat Tech will assign a status of SUSPENDED to the well bore in RBDMS no matter what status is listed on the 10-407. The Stat Tech will also change the status on the 10-407 form to SUSPENDED, and date and initial this change. If the Stat Tech does not see the "Intent: Plug for Redrill" comment or code, she will enter the status listed on the Form 10-407 into RBDMS. 5 When the Form 10-407 for the redrill is received, the Stat Tech will change Jenni the original well's status from SUSPENDED to ABANDONED. 6 The first week of every January and July, the Stat Tech and one of the Jenni Geologists will check the "Well by Type Work Outstanding" user query in Patricia or Steve RBDMS to ensure that all of the Plug for Redrill wells have been handled properly. At this same time, they will also review the list of suspended wells for accuracy. · . 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. J.O if - L 4: 1 Well History File Identifier Organizing (done) o Two-sided 111111111111111111I RESCAN DIGITAL DATA ~iskettes, No. ~ o Other, Norrype: o Color Items: o Greyscale Items: o Poor Quality Originals: o Other: NOTES: Date ~Gj07 BY: ~ /5/ Project Proofing BY: ~ /5/ Production Scanning Stage 1 Page Count from Scanned File: ~ (Count does include cover sheet) Page Count Matches Number in Scanning Preparation: ~ YES ~ Date: ~/5'/07 If NO in stage 1, page(s) discrepancies were found: Scanning Preparation BY: BY: Stage 1 BY: Maria Date: Scanning is complete at this point unless rescanning is required. o Rescan Needed 11111111111" 11111I OVERSIZED (Scannable) o Maps: o Other Items Scannable by a Large Scanner OVERSIZED (Non-Scannable) o Logs of various kinds: o Other:: )11f 1111111111111111111 mp 1 = TOTAL PAGES-.!11. (Count does not include cover sheet) /5/ 1111111111111111111 NO YES /5/ Y11 P NO /5/ 1IIII1I111111111111 ReScanned BY: Maria Date: /5/ Comments about this file: 1111111111111111111 Quality Checked 111111111111111111I 10/6/2005 Well History File Cover Page.doc • BP Exploration (Alaska) Inc. Attn: Well Integrity Coordinator, PRB-20 Post Office Box 196612 Anchorage, Alaska 99519-6612 August 14, 2009 ~, ~~ ~~~~ ~. ,~t`~ ~~~-u ~ ,i'~ l l ~% ~~i;J ~~ ~~ti~L~ ~ bp ~~~~~~~~ Mr. Tom Maunder Alaska Oil and Gas Conservation Commission 333 West 7th Avenue Anchorage, Alaska 99501 Subject: Corrosion Inhibitor Treatments of GPB L-Pad Dear Mr. Maunder, OCT 0 ~ 2009 ~ ~11ask~ tlil ~ Gas Cons. Carrxr~is~ion Anchorage ~~~~ ~ ~,.o~.~ Enclosed please find multiple copies of a spreadsheet with a list of wells from GPB L- Pad that were treated with corrosion inhibitor in the surface casing by conductor annulus. The corrosion inhibitor is engineered to prevent water from entering the annular space and causing external corrosion that could result in a surface casing leak to atmosphere. The attached spreadsheet represents the well name, API and PTD numbers, top of cement depth prior to filling and volumes of corrosion inhibitor used in each conductor. As per previous agreement with the AOGCC, this letter and spreadsheet serve as notification that the treatments took place and meet the requirements of form 10-404, Report of Sundry Operations. If you require any additional information, please contact me or my alternate, Anna Dube, at 659-5102. Sincerely, Torin Roschinger BPXA, Well Integrity Coordinator • BP Exploration (Alaska ) Inc. Data Surface Casirtg by Conductof Mnulus Cement, Corrosion inhibitor, Sealant Top-off Report of Sundry Operations (10r104) ~ L pad • 8/13/2009 Well Name PTD # API # Inftial to of cement Vol. of cement um ed Final top of cement Cement top off date Corrosiwi inhibitor Corrosion inhibitod sealant date ft bbis ft na al L-O7 2010720 50029230110000 NA 6 NA 612 6l25/2U09 L-02A 2041490 50029230480100 NA 1.4 NA 14.5 6/27/2009 L-03 2051030 50029232690000 NA 2.8 NA 24.7 6/25/2009 L-04 2061200 50029233190000 NA 1.7 NA 15.3 6/25/2009 L-100 1980550 50029228580100 NA 62 NA 57.8 6/29/2009 L-101 1980320 50029228650000 NA 3.3 NA 30.6 6/29/2009 L-102 2020360 50029230710000 37' NA Need To Job? NA L-103 2021390 50029231010000 NA 1.6 NA 10.2 6/26/2009 L-104 2012380 50029230600000 NA 3.5 NA 47.6 5/6/2009 1-105 2020580 50029230750000 NA 1.75 NA 24.65 5/6/2009 L-106 20t2230 50029230550000 NA 2.75 NA 28.05 5/6/2009 L-107 2011510 50029230360000 NA 4.8 NA 57:8 S/6/2009 L-108 2021090 50029230900000 NA 12 NA 13.8 6/25/2009 L-109 2012010 50029230460000 NA 2.9 NA 32.3 8/27f2009 L-110 2011230 50029230280000 NA 27 NA 316.2 6/29/2009 L-111 2020300 50029230690000 NA 4.7 NA 54.4 6/29/2009 L-112 2022290 50029231290000 NA 5.5 NA 51 6/27/2009 L-114A 2051120 50029230320100 NA 2.5 NA 25.5 6/29/2009 L-115 2011400 50029230350000 NA 0.5 NA 3.4 6/27/2009 L-116 2011160 50029230250000 NA 5 NA 54.4 6/28/2009 L-117 2011670 50029230390100 NA 2.9 NA 28.9 6/27/2009 L-118 2011870 50029230430000 NA 1.4 NA 15.3 6/27/2009 L-119 2020640 50029230770000 NA 2.25 NA 28.9 5/6/2009 L-120 2020060 50029230640000 NA 0.75 NA 6.8 5/5/2009 L-t21A 2030390 50029231380100 NA 2.2 NA 25.5 6/27/2009 L-122 2030510 50029231470000 NA 2 NA 20.4 6/27/2009 L-123 2051940 50029232900000 NA 2 NA 18.7 6l27/2009 1-124 2050430 50029232550000 NA 1.8 NA 17 6/27/2009 1-200 2040010 50029231910000 NA t.8 NA 13.5 6/26/2009 L-201 2040460 50029232020000 NA 1.75 NA 15.3 5/6/2009 L-202 2041960 50029232290000 NA 2 NA 17 6/26/2009 L-204 2060920 50029233140000 NA 1.5 NA 5.95 5/6/2009 L-205 2080530 50029233880000 NA t NA 12.75 1/10/2009 L-210 2031990 50029231870000 NA 3.25 NA 31.4 5/5/2009 L-211 2040290 50029231970000 NA 1.8 NA 17 6/27/2009 L-212 2050300 50029232520000 NA 1.8 NA 17 6/26/2009 L-213 2060530 50029233080000 NA 2 NA 17 6/25/2009 L-214A 2060270 50029232580100 NA 0.25 NA 10.2 5/6/2009 L-215 2051270 50029232740000 NA 1.5 NA 30.6 5/6/2009 L-216 2040650 50029232060000 NA 1.3 NA 11.9 6/26/2009 L-217 2U6Q750 50029233120000 late bbckin conductor NA NA L-218 2051190 50029232720000 NA 1.7 NA 15.3 6/27/2009 L-219 207t480 5~29233760000 surface NA NA L-220 2080470 50029233870000 NA 2 NA 20.4 6/28/2009 L-221 2080310 50029233850000 NA 1.7 NA 162 6/25/2009 L-250 2051520 50029232810000 NA 3.4 NA 34 6/26/2009 L-50 2051360 50029232770000 NA 1.8 NA 20.4 6/27/2009 L-51 2060590 50029233090000 NA 1.8 NA 17 6/27/2009 • • f MICROFILMED 03/01/2008 ~..;~~.- p r N '" ..~ m~ DO NOT PLACE ANY NEW MATERIAL UNDER THIS PAGE F:\LaserFiche\CvrPgs_Inserts\Microfilm Marker.doc I hI, DATA SUBMITTAL COMPLIANCE REPORT 1/30/2007 S¡J~ J. ~ J-ltJw )..~~ y API No. 50-029-23048-01-00 Permit to Drill 2041490 Well Name/No. PRUDHOE BAY UN PBU L-02A Operator BP EXPLORATION (ALASKA) INC MD 13193 /' REQUIRED INFORMATION Mud Log No Samples No Directional su~~.= (data taken from Logs Portion of Master Well Data Maint e Interval OH/ Start Stop CH Received Comments ~_~·..__.._..m._._"._~"- -....-----------, 0 13193 4/1/2005 0 13193 4/1/2005 0 13153 4/1/2005 PB 1 0 13153 4/1/2005 PB 1 2581 13193 Open 1/10/2007 TVD Vision Resistivity FINAL 15-Dec-2004 2581 13193 Open 1/10/2007 MD Vision Resistivity FINAL 15-Dec-2004 2489 13192 Open 1/10/2007 LIS Veri w/Graphics 11938 13153 Open 1/10/2007 PB1 MD Vision Resisitivity 25-Dec-2004 11938 13153 Open 1/10/2007 PB1 TVD Vision Resisitivity 25-Dec-2004 . 2489 13153 Open 1/10/2007 PB1 Lis Veri w/Graphics Sample Set Number Comments ---~---~--~-.__.._-_._.~-- TVD 8901 /' 1/1/2005 /' Completion Status 1-01L Current Status 1-01L UIC N Completion Date -----~~._--------- ------------ -----.--.---- -----~-~--- DATA INFORMATION Types Electric or Other Logs Run: Well Log Information: Log/ Data Digital ~Med~~rmt . D Asc ---------~- i Rpt, i ~ D Asc Rpt J4" /.09 I 10~ MWD DIR / GR / RES, MWD DIR / GR / RES Electr Dataset Number Name -_._-~-~ Directional Survey Directional Survey Directional Survey Directional Survey 14319 I nd uction/Resistivity 14319 I nd uction/Resistivity 14319 Induction/Resistivity 14320 Induction/Resistivity 14320 Induction/Resistivity 14320 Induction/Resistivity Log Log Run Scale Media No -~-~_._,,-~._---_. 25 Blu 25 Blu 25 Blu 25 Blu ~~ Lis Well Cores/Samples Information: Name Interval Start Stop Sent Received Well Cored? ADDITIONAL INFORMATION v'ÄiÐ Daily History Received? ~ &)N %IN Chips Received? -" Y I N Analysis Received? Formation Tops ~ ----..--.- DATA SUBMITTAL COMPLIANCE REPORT 1/30/2007 Permitto Drill 2041490 Well Name/No. PRUDHOE BAY UN PBU L-02A Operator BP EXPLORATION (ALASKA) INC API No. 50-029-23048-01-00 MD 13193 TVD 8901 Completion Date 1/1/2005 Completion Status 1-01L Current Status 1-01L UIC N Comments: ~..,---_.,._~-_. _~Jþ_ m_ - 0 . ?-=r;--*=~-~ ate. ~~f12__ -. I' ~'---~---_._---~- Compliance Reviewed By: e . 01/08/2007 Schlumbepger NO. 4103 Alaska Data & Consulting Services 2525 Gambell Street, Suite 400 Anchorage, AK 99503-2838 ATTN: Beth éÞ'-/ - { <"It::¡ :If JL/3 Ie¡ .. 1~3;)D :p~ Company: State of Alaska Alaska Oil & Gas Cons Comm AUn: Christine Mahnken 333 West 7th Ave, Suite 100 Anchorage, AK 99501 Field: Prudhoe Bay Well Job# Loa DescriDtion Date BL Color CD Y-07 11076494 CH EDIT SDCL GR 01/12/06 1 GNI-02A 11536185 CH EDIT USIT (PDC-GR) 12/08/06 1 1 L-02A 40010950 OH EDIT MWD/LWD 12/15/04 2 1 L-02A PB1 40010950 OH EDIT MWD/LWD 12/25/04 2 1 E-37A 40011299 OH EDIT MWD/LWD 01/23/05 2 1 E-37APB1 40011299 OH EDIT MWD/LWD 01/22/05 2 1 aIJ""",n PLEASE ACKNOWLEDGE RECEIPT BY SIGNING AND RETU':~I~0 'J~ ¡9:."y\\~t~J1J~~' BP Exploralion (Alaska) Inc. Petrotechnical Data Center LR2-1 900 E. Benson Blvd. Anchorage. Alaska 99508 \&)H,:i~ \'~;..,..~ \}.;._ß ;~;\ -' " ~ '.1. ',,\I.~..' Alaska Data & Consulting Services 2525 Gambell Street. Suite 400 Anchorage, AK 99503-2838 ATTN: Beth (,~ Date Delivered: Received by: )\W,<::~z:'ì r:)\ 1 ~ (;', . . t . STATE OF ALASKA" RECEIVED ALASKA OIL AND GAS CONSERVATION COMlrSSION REPORT OF SUNDRY WELL OPERATIONS JUL 12 2005 1. Operations Performed: Alaska UII ðllias l;OnS.J';OmmISSIOI Abandon 0 Repair WellD PluQ Perforations D Stimulate ŒI Time ~~t:~~~~~ Alter CasingD Pull TubingD Perforate New PoolD WaiverD Change Approved ProgramD Operation Shutdown 0 Perforate D Re-enter Suspended WellD 2. Operator BP Exploration (Alaska), Inc. 4. Current Well Class: 5. Permit to Drill Number: Name: Development [!] ExploratoryD 204-1490 3. Address: P.O. Box 196612 6. API Number Anchorage, Ak 99519-6612 Stratigraphic D ServiceD 50-029-23048-01-00 7. KB Elevation (ft): 9. Well Name and Number: 76.50 L-02A 8. Property Designation: 10. Field/Pool(s): ADL-047449 Prudhoe Bay Field / Prudhoe Oil Pool 11. Present Well Condition Summary: Total Depth measured 13193 feet true vertical 8900.8 feet Plugs (measured) None Effective Depth measured 13106 feet Junk (measured) None true vertical 8904.7 feet Casing Length Size MD TVD Burst Collapse CONDUCTOR 80 20" 91.5# H-40 28 - 108 28.0 - 108.0 1490 470 SURFACE 2548 9-5/8" 40# L-80 27 - 2575 27.0 - 2562.3 5750 3090 PRODUCTION 10262 7" 26# L-80 26 - 10288 26.0 - 8717.1 7240 5410 LINER 3752 4-1/2" 12.6# L-80 9438 - 13190 8016.3 - 8900.9 8430 7500 Perforation depth: Measured depth: 11830 -11910,12010 -12220,12300 -12370,12420 -12600,12650 -13090 True vertical depth: 8972.89 - 8967.74, 8963.78 - 8947.58, 8941.43 - 8935.18, 8930.81 - 8923.88, 8922.92 - 8905.53 TubinQ ( size, Qrade, and measured depth): 3-1/2" 9.2# 13Cr80 @ 24 - 9438 Packers & SSSV (type & measured depth): 4-1/2" Baker S-3 Perm Packer @ 9379 4-1/2" Baker ZXP Packer @ 9426 3-1/2" HES X Nipple @ 1803 - 12. Stimulation or cement squeeze summary: "'"' JIUI ~ tJl-l JUL 1 ~ lO05 Intervals treated (measured): Treatment descriptions including volumes used and final pressure: 13 Representative Dailv Averaoe Production or Iniection Data Oil-Bbl Gas-Met Water-Bbl Casing Pressure Tubing Pressure Prior to well operation: 345 259 61 0 311 Subsequent to operation: 341 253 63 0 303 14. Attachments: 15. Well Class after proposed work: ExploratoryD DevelopmentŒ ServiceD Copies of Logs and Surveys run _ 16. Well Status after proposed work: Daily Report of Well Operations _ ~ OilŒ] GasD WAGD GINJD WINJD WDSPLD Prepared by DeWayne R. Schnorr (907) 564-5174. 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. I Sundry Number or N/A if C.O. Exempt: Contact DeWayne R. Schnorr N/A Printed Name DeWay.ne R. Schnorr ~ Title Petroleum Engineer Signature Aq ~ ,y" j¿ ~.--- Phone 564-5174 Date 7/12/05 Form 10-404 Revised 4/2004 ORIGINAL , ~ . . L-02A DESCRIPTION OF WORK COMPLETED NRWO OPERATIONS EVENT SUMMARY 05/22/05 ***WELL FLOWING ON ARRIVAL*** (PRE CTU ACID). DRIFT TO DEV WI 2.80 CENT. & BAILER TO 10,678', CORR TO DRILLERS DEPTH.. ***WELL LEFT SI FOR COIL TUBING*** 05/23/05 CTU #4 ACID TREATMENT WI ASRC TEST SEP.***WELL SHUT IN UPON ARRIVAL *** MIRU. SHUT IN GAS LIFT. RIH WI 2" JSN TO ACIDIZE WELL. SHUT IN @ WING VALVE. PUMP DOWN BACKSIDE WI 2 % KCL FOR WELL KILL. TAG BOTTOM @ 13135' CTMD. PUMP 160 BBLS 75 DEG 2% KCL DOWN COIL FOR COOL-DOWN PREFLUSH. PUMP 70 BBLS 90/10 DAD ACID WHILE PUH FROM 13130' TO 11830' CTMD, SD AND SOAK FOR 30 MINUTES. PUMP ADDITIONAL 70 BBLS 90/10 DAD ACID WHILE RIH TO 13130' CTMD, SD AND SOAK FOR 30 MINUTES. 05/24/05 CTU#4: ACID STIM. OVER FLUSH ACID WI 100 BBLS 1% KCL. FINAL INJECTIVITY: 1.6 BPM @ 550 PSI (INITIAL INJECTIVITY: 1180 PSI @ 1.6 BPM). FREEZE PROTECT COIL. RDMO. LEAVE WELL SI. ASRC TO POP UPON DEPARTURE ***JOB COMPLETE*** FLUIDS PUMPED BBLS 48 50/50 METHANOL WATER 215 1% KCL WATER 276 2% KCL WATER 140 90:10112% DAD ACID 679 TOTAL Page 1 . TREE = 4-1/8" CrN . ~NOTES: WELLHEAO = FMC L-02A ACTUA TOR = NIA f KB, ELEV = 76.5' BF. ELEV = 50.5' -13-1/2" HES X NIP, ID = 2,813" I KOP= 900' FROM DRLG - DRAFT Max Angle = 95 @ 12365' Datum MD = xxxxx' 9 2013 2007 8° MMG OMY RK 0 1/1/2005 OatumTVD= xxxx'SS 8 2607 2594 12° MMG DOME RK 16 2/17/2005 7 3986 3799 37 MMG DOME RK 16 2/17/2005 6 4927 4517 42° MMG DOME RK 16 2/17/2005 19-5/8" CSG, 40#, L-80, 10 = 8.835" I .z.s&: .: 5 5826 5198 40° MMG DOME RK 16 2/17/2005 ~57" 4 6735 5902 39° MMG SO RK 22 2/17/2005 3 7645 6595 41 MMG OMY RK 0 1/1/2005 2 8555 7309 38° MMG OMY RK 0 1/1/2005 1 9308 7913 37° MMG OMY RK 0 1/1/2005 Minimum ID = 2.813" @ 1803' 3-1/2" HES X NIPPLE 17" HES EZSV 9337' -13-1/2" HES X NIP, 10 = 2.813" I 9357' -13-1/2" HES GAUGE CARRIER I 9379' 7" X 4-1/2" BKR S-3 A<R, ID 3.875" ISCt80 13-1/2" TBG, 9,2#,.¡,-ee, .0087 bpf, 10 = 2.992" -13-1/2"HESXNIP, 10=2.813" I 9425' 1--i3-1/2"HESXNIP,ID=2.813" I ZX'P p/lcxeR. 15" x 7" BKR HMC LNR HGR 9438' -f3-1/2" WLEG, 10 = 2,992" I 17" CSG, 26#, L-80, 10 = 6.276" I 17" CSG, 26#, L-80, 10 = 6.276" , 14.5",12.6#, L-80, SL TO LINER , REF LOG: SWS Vision Resistivity 12/15/04 ANGLE AT TOP ÆRF: 93° @ 11,830' Note: Refer to Production OB for historical perf data SIZE SPF INTERVAL Opn/Sqz DA TE 2.88 6 11830'-11910' Opn 12/29104 2.88 6 12010'-12220' Opn 12/29/04 2.88 6 12300'-12370' Opn 12/29/04 2.88 6 12420'-12600' Opn 12/29/04 2.88 6 12650'-13090' Opn 12/29/04 I PBTD H 13106' I 4-1/2"LNR,12.S#,L-SOHYD533,ID::3.95S" H 13190' I # DA TE REV BY COMMENTS 1/1/2005 TA ORIGINAL COMPLETION 02/17105 DAV/PJC GLV C/O 06/28/05 PJC GL V DEPTH CORRECTIONS DA TE REV BY COMMENTS PRUDHOE BAY UNrr WELL: L-02A ÆRMrr No: 204-149 API No: 50-029-23048-01 SEC 34, T12N, R11 E, 2528' NSL & 3860' WEL BP Exploration (Alaska) r~ECEIVED . STATE OF ALASKA _ . ALASK L AND GAS CONSERVATION COM~ION MAR 0 4 2005 WELL COMPLETION OR RECOMPLETION REPORT AND LOG C. Alaska Oil & Gas Cons. ommissmn Revised: O3IO~~h~Mfg¡" Production 1b. Well Class: 181 Development 0 Exploratory o Stratigraphic 0 Service 12. Permit to Drill Number 204-149 13. API Number 50- 029-23048-01-00 14. Well Name and Number: .... i 1a. Well Status: 181 Oil 0 Gas 0 Plugged 0 Abandoned 0 Suspended 0 WAG 20AAC 25.105 20AAC 25.110 21. Logs Run: MWD DIR / GR / RES, MWD DIR / GR / RES CASING, LINER AND L;EMENTING RECORD ~ETTING DEPTH MD ~ETIING UEPTH TVI). HOLE 10P I BOTTOM 10P I BOTTOM SIZE Surface 114' Surface 114' 30" 34' 2581' 34' 2568' 12-1/4" 26' 10288' 26' 8717' 8-3/4" 9427' 13190' 8008' 8901' 6-1/8" o GINJ 0 WINJ 0 WDSPL No. of Completions 2. Operator Name: BP Exploration (Alaska) Inc. 3. Address: P.O. Box 196612, Anchorage, Alaska 99519-6612 4a. Location of Well (Governmental Section): Surface: 2528' NSL, 3860' WEL, SEC. 34, T12N, R11E, UM Top of Productive Horizon: 4069' NSL, 3248' WEL, SEC. 33, T12N, R11 E, UM Total Depth: 4652' NSL, 389' WEL, SEC. 32, T12N, R11 E, UM 4b. Location of Well (State Base Plane Coordinates): Surface: x- 583055 y- 5978248 Zone- ASP4 TPI: x- 578367 y- 5979739 Zone- ASP4 Total Depth: x- 575939 y- 5980296 Zone- ASP4 _ _ _____~ _ ___+u ___+__ ____ __ __ _n__ 18. Directional Survey 181 Yes 0 No 2. CASING SIZE 20" 9-5/8" WT. PER FT. 91.5# 40# 26# 12.6# GRADE H-40 L-80 L-80 L-80 7" 4-1/2" 23. Perforations open to Production (MD + TVD of Top and Bottom Interval, Size and Number; if none, state "none"): 2.88" Gun Diameter, 6 spf MD TVD MD TVD 11830' - 11910' 8973' - 8968' 12010' - 12220' 8964' - 8948; 12300' - 12370' 8941' - 8935' 12420' - 12600' 8931' - 8924' 12650' - 13090' 8923' - 8906' One Other 5. Date Comp., Susp., or Aband. 1/1/2005 6. Date Spudded 11/25/2004 7. Date T.D. Reached 12/15/2004 8. KB Elevation (ft): 76.5' 9. Plug Back Depth (MD+ TVD) 13106 + 89105 10. Total Depth (MD+TVD)i 13193 + 8901 11. Depth where SSSV set (Nipple) 1803' MD 19. Water depth, if offshone N/ A MSL 24. SIZE 3-1/2",9.2#, 13CrElO 25. 4",1'\ ..~.~, . PBU L-02A 15. Field / Pool(s): Prudhoe Bay Field / Prudhoe Bay Pool Ft Ft 16. Property Designation: ADL 047449 17. Land Use Permit: 20. Thickness of Permafrost 1900' (Approx.) . PULLED 1260sx Arctic Set (Approx.) [153 sx AS Lite III, 312 sx Class 'G' 150 sx Class 'G', 159 sx Class 'G' [137 sx Class 'G' '1 JBING .... DEPTH SET (MD) 9438' .... PACKER SET (MD) 9379' r=-r,. DEPTH INTERVAL (MD) AMOUNT & KIND OF MATERIAL USED Freeze Protect w/ 128 Bbls of Diesel RBDMS 8Ft MAR 0 8 2005 Form 1 0-407 Revised 12/2003 CONTINUED ON REVERSE SIDE GAs-McF 101 GAs-McF 608 WATER-Bl3l 38 WATER-Bsl 228 26. PRODUCTION TEST Date First Production: Method of Operation (Flowing, Gas Lift, etc.): February 19, 2005 Gas Lift Date of Test Hours Tested PRODUCTION FOR Oll-Bsl 2/22/2005 4 TEST PERIOD .. 214 Flow Tubing Casing Pressure CALCULATED ....... Oll-Bsl Press. 34C 1,220 24-HoUR RATE7 1,286 27. CHOKE SIZE I GAS-Oil RATIO 176 473 Oil GRAVITY-API (CORR) CORE DATA Brief description of lithology, porosity, fractures, apparent dips and presence of oil, gas or water (attach separate sheet, if necessary). Submit core chips; if none, state "none". None (,f \ , "2&' GEOLOGIC MARKERS 29. RMATION TESTS NAME MD TVD Include and briefly summarize test results. List intervals tested, and attach detailed supporting data as necessary. If no tests were conducted, state "None". Ugnu 2807' Ugnu M Sandstones 4144' Schrader Bluff N Sandstonres 4489' Schrader Bluff 0 Sandstones 4692' Base Schrader I Top Colville 5105' HRZ 7103' Kalubik 7414' Kuparuk D I Kuparuk C 7522' Kuparuk B 7654' Kuparuk A 7858' Miluveach 7968' Kingak 8953' Sag River 10299' Shublik 10341' Eileen 10582' Sadlerochit I Zone 48 10681' Sadlerochit / Zone 4B 13129' 2784' 3922' None 4187' 4343' 4651' 6186' 6421' 6502' 6602' 6759' 6845' 7626' 8726' 8759' 8904' 8939' 8904' 30. List of Attachments: Summary of Daily Drilling Reports, Well Schematic Diagram, Surveys 31. I hereby certify that the foregoing is true and correct to the best of my knowledge. Signed Terrie Hubble PBU L-02A Well Number Title Technical Assistant Date 204-149 Permit No. I A roval No. 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. Prepared By Name/Number: Drilling Engineer: Terrie Hubble, 564-4628 Neil Magee, 564-5119 ITEM 1a: 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 elevation in feet above mean low low water. 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: True vertical thickness. ITEM 22: Attached supplemental records for this well should show the details of any multiple stage cementing and the location of the cementing tool. ITEM 23: 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 26: Method of Operation: Flowing, Gas Lift, Rod Pump, Hydraulic Pump, Submersible, Water Injection, Gas Injection, Shut-In, or Other (explain). ITEM 27: If no cores taken, indicate "None". ITEM 29: List all test information. If none, state "None". Form 1 0-407 Revised 12/2003 Submit Original Only e . MEMORANDUM State of Alaska Alaska Oil and Gas Conservation Commission TO: Jim Regg '0 zlIS(òS DATE: February 18, 2005 P. I. Supervisor k:\~1' FROM: John Spaulding, Petroleum Inspector SUBJECT: Well L-02A ~_. Jim, Pertaining to the request for an extension of BaPE testing Nabors Rig 9ES located on L pad well 02A. Dec. 16, 2004: · Approximately 1800 hrs received a call from Bill Bixby Nabors 9ES rig representative (tool pusher) requesting an extension for BaPE test (14 day test date due 12/17/04) · The rig was in a well control situation and had been for some time · Drill pipe was on bottom and the rig was experiencing difficulty coming out of the hole. · The drilling mud was contaminated will gel from previously pumped plugs that did not hold as well as having gas entrained throughout the fluid column I granted an extension of the BaPE test until new mud could be circulated and the well bore influx of gas could be contained. Subsequently the mud was changed the well bore stabilized, drill pie was pulled up into the casing and a storm packer was installed . Testing of the BaPE was accomplished on the 20th of Dec. PBU_L-02A_BOP _ TesCextension.,jhs.doc Ie " / .. STATE OF ALASKA __ ALASKWIL AND GAS CONSERVATION CO~SION WELL COMPLETION OR RECOMPLETION REPORT AND LOG 1 a. Well Status: 181 Oil o Gas o Plugged o Abandoned o Suspended o WAG 1 b. Well Class: 20AAC 25.105 20AAC 25.110 IBI Development o Exploratory DGINJ DWINJ o WDSPL No. of Completions One Other o Stratigraphic o Service 2. Operator Name: 5. Date Comp., Susp., or Aband. 12. Permit to Drill Number BP Exploration (Alaska) Inc. 1/1/2005 204-149 ./ 3. Address: 6. Date Spudded 13. API Number / P.O. Box 196612, Anchorage, Alaska 99519-6612 11/25/2004 50- 029-23048-01-00 4a. Location of Well (Governmental Section): 7. Date T.D. Reached 14. Well Name and Number: Surface: 12/15/2004 PBU L-02A 2528' NSL, 3860' WEL, SEC. 34, T12N, R11E, UM 8. KB Elevation (ft): 15. Field / Pool(s): Top of Productive Horizon: 4069' NSL, 3248' WEL, SEC. 33, T12N, R11 E, UM 76.5' Prudhoe Bay Field I Prudhoe Bay Pool Total Depth: 9. Plug Back Depth (MD+ TVD) 4652' NSL, 389' WEL, SEC. 32, T12N, R11E, UM 13106 + 8905 Ft 4b. Location of Well (State Base Plane Coordinates): 10. Total Depth (MD+ TVD) 16. Property Designation: Surface: x- 583055 y- 5978248 Zone- ASP4 13193 + 8901 Ft ADL 047449 ----- -~-- 11. Depth where SSSV set 17. Land Use Permit: TPI: x- 578367 y- 5979739 Zone- ASP4 Total Depth: x- 575939 y- 5980296 Zone- ASP4 (Nipple) 1803' MD m ~ h ______~__ ~~nn____n_ __n _. --- - _____h~ 19. Water depth, if offshore 20. Thickness of Permafrost 18. Directional Survey 181 Yes DNo Nt A MSL 1900' (Approx.) 21. Logs Run: MWD DIR / GR / RES, MWD DIR I GR I RES 2. CASING, liNER AND CEMENTING RECORD CASING .. SETTING EPTH Me . :SETTING UEPTH TV£) HOLE A""ÖUNT SIZE WT. PER FT. GRADË Top BOTTOM TOp I BOTTOM SIZE PUL.llËD 20" 91.5# H-40 Surface 114' Surface 114' 30" ?60 sx Arctic Set (Approx.) 9-5/8" 40# L-80 34' 2581' 34' 2568' 12-1/4" 453 sx AS Lite III, 312 sx Class 'G' 7" 26# L-80 26' 10288' 26' 8717' 8-3/4" 150 sx Class 'G', 159 sx Class 'G' 4-1/2" 12.6# L-80 9427' 13190' 8008' 8901' 6-1/8" 437 sx Class 'G' 23. Perforations open to Production (MD + TVD of Top and 24. ... .; Bottom Interval, Size and Number; if none, state "none"): SIZE DEPTH SET (MD) PACKER SET (MD) 2.88" Gun Diameter, 6 spf 3-1/2",9.2#,13Cr80 9438' 9379' MD TVD MD TVD 11830' - 11910' 8973' - 8968' 25. Aéll);¡:"'''''''';;'''''6yt:1'II1:;1'I1 EtÞ·< .....>\ 12010' - 12220' 8964' - 8948; 12300' - 12370' 8941' - 8935' DEPTH INTERVAL (MD) AMOUNT & KIND OF MATERIAL USED 12420' - 12600' 8931' - 8924' 12650' - 13090' 8923' - 8906' Freeze Protect wI 128 Bbls of Diesel 26. PRODUCTION TEST Date First Production: Method of Operation (Flowing, Gas Lift, etc.): Not on Production Yet N/A Date of Test Hours Tested PRODUCTION FOR Oll-BBl GAs-McF WATER-BBl CHOKE SIZE I GAS-Oil RATIO TEST PERIOD . Flow Tubing Casing Pressure CALCULATED .. Oil -BBl GAs-MCF W ATER-BBl Oil GRAVITY-API (CORR) Press. 24-HoUR RATE 27. CORE DATA Brief description of lithology, porosity, fractures, apparent dips and presence of oil, gas or water (attach separate sheet, if necessary). Submit core chip~;;'ib~J:1~i§J~ "none". RBDMS 8Ft FEB 0 8 2005 J ~r t None ¡~ ~~! j VE"'f'ED I, LÆ~J ,)/ r...V V Form 1 0-407 Revised 12/2003 CONTINUED ON REVERSE SIDE ... ~8. GEOLOGIC MARKER 29. ORMATION TESTS NAME MD TVD Include and briefly summarize test results. List intervals tested, and attach detailed supporting data as necessary. If no tests were conducted, state "None". Ugnu 2807' Ugnu M Sandstones 4144' Schrader Bluff N Sandstonres 4489' Schrader Bluff 0 Sandstones 4692' Base Schrader I Top Colville 5105' HRZ 7103' Kalubik 7414' Kuparuk D I Kuparuk C 7522' Kuparuk B 7654' Kuparuk A 7858' Miluveach 7968' Kingak 8953' Sag River 10299' Shublik 10341 ' Eileen 1 0582' Sadlerochit I Zone 48 10681' Sadlerochit I Zone 4B 13129' 2784' 3922' None 4187' 4343' 4651' 6186' 6421' 6502' 6602' 6759' 6845' 7626' 8726' 8759' 8904' 8939' 8904' 30. List of Attachments: Summary of Daily Drilling Reports, Well Schematic Diagram, Surveys 31. I hereby certify that the foregoing is true and correct to the best of my knowledge. Signed Terrie Hubble Title Technical Assistant Date 0::« 0 PBU L-02A Well Number Prepared By NamelNumber: Drilling Engineer: Terrie Hubble, 564-4628 Neil Magee, 564-5119 204-149 Permit No. I A roval No. 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. ITEM 1a: 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 elevation in feet above mean low low water. 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: True vertical thickness. ITEM 22: Attached supplemental records for this well should show the details of any multiple stage cementing and the location of the cementing tool. ITEM 23: 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 26: Method of Operation: Flowing, Gas Lift, Rod Pump, Hydraulic Pump, Submersible, Water Injection, Gas Injection, Shut-In, or Other (explain). ITEM 27: If no cores taken, indicate "None". ITEM 29: List all test information. If none, state "None". Form 10-407 Revised 12/2003 Submit Original Only .. 12/4/2002 LOT 2,581.0 (ft) 2,580.0 (ft) 9.70 (ppg) 475 (psi) 1,775 (psi) 13.24 (ppg) 12/12/2002 FIT 9,953.0 (ft) 8,744.0 (ft) 9.00 (ppg) (psi) 4,088 (psi) 9.00 (ppg) 11/25/2004 LOT 2,601.0 (ft) 2,588.0 (ft) 9.50 (ppg) 635 (psi) 1,912 (psi) 14.22 (ppg) 12/3/2004 FIT 10,308.0 (ft) 8,713.0 (ft) 9.00 (ppg) 680 (psi) 4,754 (psi) 10.50 (ppg) Printed: 1/4/2005 9:55:42 AM Legal Well Name: Common Well Name: Event Name: Contractor Name: Rig Name: Date PRE I Move rig fN-211i to L-02a & RU on well. (NOTE: RIG ACCEPTED AT 09:00 HRS ON 11/21/2004.) PRE Mobilize DSM t/pull BPV, install secondary containment in cellar, hook up flare line t/cuttings tank, install secondary annulus valve, take on brine water into brine tanks. PRE I Pre-Spud meeting w/all personnel. WHDTRE I RU & test circ lines to take diesel returns to cuttings tank. WHDTRE I RU DSM, pull BPV w/lubricator, well on vacuum, RD DSM. WHDTRE I Pump down 4 1/2" x 7" annulus, take returns thru tbg to cuttings tank at 3.5 bpm, 250 psi, losing some returns to perfs, ¡shut down. pump 50 bbls soap sweep down tbg, taking returns ,up annulus to cuttings tank at 3.5 bpm, 100 psi, lost 140 bbls to I perfs while circ out diesel cap. WHDTRE I Blow down lines, well on a vacuum, install TWC. WHDTRE I ND tree & adapter flange, check tbg hanger threads w/FMC, MU XO w/8 1/2 turns - OK. WHDTRE I NU BOP's & surface related equipment. WHDTRE I RU BOP testing equipment. WHDTRE IT est BOPE & related valves and lines as per SOP an AOGCC (witness waived by J. Crisp), RD test equip & blow down lines. WHDTRE RU lubricator & pull TWC (DSM). WHDTRE Fill hole w/9.0 ppg brine & monitor well (35 bbls to fill hole). WHDTRE I MU 5" DP w/XO t/hanger, BOLDS, pull hanger t/floor, 150k up. WHDTRE I Established loss rate at 138 bph, mix & pump high vis pill (reduced loss rate to @40 bph), 5 bpm, 302 psi. WHDTRE LD 4.5" 12.6# L·80 IBT tbg, 120k up, 100k dn, retrieve hanger, 10.17' pup, 225 jts + 22.85' cut, 6 glm, 1 x-nipple. (Note: Calculated top of 'stub" = 9526'.) WHDTRE Run/install wearring, RD tbg equipment & send out, bring HES tools to rig floor. WHDTRE SWS / prep tools f/GR/JB/CCL run. WHDTRE PJSM. RU & run e-line GR/JB/CCL (w/6" GR). (NOTE: Tagged "stub" & correlated to calculated depth (9526')). L-02 L-02 DRILL+COMPLETE NABORS ALASKA DRILLING I NABORS 9ES 11/21/2004 00:00 - 09:00 9.00 MOB P 09:00 - 12:00 3.00 MOB P 12:00 - 12:30 12:30 - 13:30 13:30 - 14:30 14:30 - 18:00 0.50 MOB P 1.00 WHSUR P 1.00 WHSUR P 3.50 WHSUR P 18:00 - 18:30 0.50 WHSUR P 18:30 - 20:00 1.50 WHSUR P - 23:30 3.50 BOPSU P 23:30 - 00:00 0.50 BOPSU P 11/22/2004 00:00 - 04:00 4.00 BOPSU P 04:00 - 05:00 1.00 WHSUR P 05:00 - 05:30 0.50 STCTPL P 05:30 - 06:00 0.50 STCTPL P 06:00 - 08:30 2.50 STCTPL P 08:30 - 19:00 10.50 STCTPL P 19:00 - 20:00 1.00 STCTPL P 20:00 - 21 :00 1.00 STCTPL P 21 :00 - 00:00 3.00 STCTPL P 11/23/2004 00:00 - 01 :30 1.50 STCTPL P WHDTRE 01 :30 - 03:00 1.50 STCTPL P WHDTRE 03:00 - 03:30 0.50 STCTPL P WHDTRE 03:30 - 11 :00 7.50 STCTPL P WHDTRE 11 :00 - 12:00 1.00 STCTPL P WHDTRE 12:00 - 13:00 1.00 STCTPL P WHDTRE 13:00 - 17:00 4.00 STCTPL P WHDTRE 17:00 - 20:00 3.00 STCTPL P WHDTRE 20:00 - 20:30 0.50 STCTPL P WHDTRE 20:30 - 22:00 1.50 STCTPL P WHDTRE Start: 9/21/2004 Rig Release: 1/1/2005 Rig Number: Spud Date: 11/21/2004 End: Brine Loss f/Day = 919 bbls Total Brine Loss = 1059 bbls Run and Set 7" EZSV at 9450' WLM, Made sure EZSV was not set in a collar. POH, with wire line and EZSV setting tool. RD Schlumberger. Test Casing to 3500 PSI. Hold for 30 minutes. Test good. MU and RIH with cmt stinger on 4" DP. Tag EZSV at 9430' SLM. Establish injection rate 3 BPM - 400 PSI. Squeeze cement at 3 BPM - 500 PSI. (FCP 150 PSI) Pump 5 Bbls H20, Displace cement with 9.0 ppg brine at 3.5 BPM - 300 PSI, (FCP 2.25 BPM - 770 PSI). Cement in place at 12:00 Hrs. Un-sting from EZSV and circulate out excess cement and clean drill pipe. Monitor well and POOH with stinger, lay down stinger. MU and RIH with 7" EZSV and set same at 2690', Set down 20k to ensure setting, POH with setting tool. LD Halliburton tools, and PU Baker tools to rig floor. MU and RIH with 7" casing cutter on 4" drill pipe, Tag EZSV at Printed: 1/412005 9:55:48 AM ~ TJON mary Report Legal Well Name: Common Well Name: Event Name: Contractor Name: Rig Name: L-02 L-02 DRILL+COMPLETE NABORS ALASKA DRILLING I NABORS 9ES Start: Rig Release: Rig Number: 9/21/2004 1/1/2005 Spud Date: 11/21/2004 End: 11/23/2004 20:30 - 22:00 1,50 STCTPL P WHDTRE 2690', PU and set cutter on depth at 2680' (Made sure that the cutter was not in a collar prior to making cut). Up wt 75k - Dn wt 75k. 22:00 - 22:30 0,50 STCTPL P WHDTRE Displace well to 9.4 ppg LSND drill mud at 5 BPM - 1000 PSI. 22:30 - 23:00 0.50 STCTPL P WHDTRE Bled 170 PSI off 7" x 9 5/8" annulus to cuttings tank prior to making cut on 7" casing. Cut casing at 2680' 150 SPM 2000 PSI, 65 RPM, Pressure dropped to 680 PSI once casing was cut. '23:00 - 00:00 1.00 STCTPL P WHDTRE Spot heated brine sweep in drill pipe, Close annular and circulate approx 56 Bbls crude out of 7" x 9 5/8" annulus valves 1.50 I STCTPL P on wellhead. ICP 1 BPM - 700 PSI. FCP 4 BPM - 200 PSI. Circulate clean w/9.4 ppg mud. 11/24/2004 00:00 - 01 :30 WHDTRE POH & LD cutter BHA. 01 :30 - 02:00 0.50 STCTPL P WHDTRE MU Pack-off pulling tool and retrieve 7" Pack - off. 102:00 - 07:00 5.00 STCTPL P WHDTRE MU spear and engage 7" casing, Pull casing and slips to rig floor (115k). Remove slips from around casing. RU casing equipment, POH, laying down 7" casing. (64 jts) 07:00 - 08:30 1.50 STCTPL P WHDTRE Clean rig floor, Flush BOP's, and install wear bushing (97/8" ID) 08:30 - 09:30 1.00 STCTPL P WHDTRE MU & RIH with 4" mule shoe to 7" EZSV at 2690". 09:30 - 10:00 0.50 STCTPL P WHDTRE Break circulation at 2 BPM - 90 PSI. Held PJSM with Dowell. 10:00 - 10:30 0.50 STCTPL P WHDTRE Pump 5 Bbls H20, Test lines to 3500 PSI, Pump 37.33 Bbls 17 ppg cement, Pump 0.85 Bbls H20, Pump with rig pumps 20 Bbls mud. (Est TOC 2390') 10:30 - 12:00 1.50 STCTPL P WHDTRE POH to 2200', Circulate 2x annulus volumes at 14 BPM - 560 PSI. (No cement to surface) 12:00 - 13:00 1,00 STCTPL P WHDTRE Monitor well, Pump slug, POH with mule shoe, LD same. 13:00 - 14:00 1.00 STCTPL P WHDTRE Pull wear bushing & RU test equipment. 14:00 - 17:00 3.00 BOPSU P WHDTRE Test BOP's to 250 low /3500 PSI high as per BP & AOGCC regs. Witness of test waived by John Crisp with AOGCC. 17:00 - 17:30 0.50 STCTPL P WHDTRE RD test equipment & install wear bushing. 17:30 - 19:30 2.00 STCTPL P WHDTRE Bring BHA #2 jewelry to rig floor. Cut & Slip drill line (65'), Check Brakes OK. Service top drive. 19:30 - 20:30 1.00 STCTPL P WHDTRE PU 24 jts 4" HWDP & stand back in derrick. 20:30 - 23:00 2.50 STCTPL P WHDTRE MU 83/4" BHA#2 as per Anadril DD, Orient MWD. 23:00 - 00:00 1.00 STCTPL P WHDTRE TIH with stand from derrick, Shallow hole test MWD. 11/25/2004 00:00 - 01 :00 1.00 STCTPL P WHDTRE RIH with BHA #2, Tag cement at 2213'. 01 :00 - 05:00 4.00 STCTPL P WHDTRE Drill cement from 2213' to 2581', Drill 20' of rathole (2601'). Circulate and condition mud to ensure mud wt is 9.5 ppg inlout. 05:00 - 05:30 0.50 STCTPL P WHDTRE POH to bit inside 9 5/8" shoe @ 2581'. Perform LOT of 14.25 ppg EWM. / 9.5 ppg mud w/ 645 psi surface pressure. 05:30 - 22:00 16.50 DRILL P INT1 Drill from 2601' to 5317',234 SPM, 570 GPM @ 2800 PSI. Up wt 140 - Dn wt 105k - Rt 118k. TQ 6k, RPM 80 - DHRPM 337. Cal ECD = 9.92 - Actual ECD = 10.72. Backream each stand at drilling rate. 22:00 - 22:30 0.50 DRILL P INT1 CBU at drilling rate. ECD drop from 10.72 to 10.54. 22:30 . 00:00 1.50 DRILL P INT1 Continue drilling at 5503' AST: 4.57 ART: 4.33 SPR #1 2BPM = 275 psi, 3BPM = 340 psi SPR #2 2BPM = 275 psi, 3BPM = 340 psi 11/26/2004 00:00 - 07:30 7.50 DRILL P INT1 Drill from 5410' to 6163', Backreaming each stand, GPM 550- Printed: 1/4/2005 9:55:48 AM ~ Legal Well Name: Common Well Name: Event Name: Contractor Name: Rig Name: L-02 L-02 DRILL+COMPLETE NABORS ALASKA DRILLING I NABORS 9ES Start: 9/21/2004 Rig Release: 1/1/2005 Rig Number: Spud Date: 11/21/2004 End: Task 11/26/2004 00:00 - 07:30 7,50 DRILL P INT1 07:30 - 08:00 0.50 DRILL P INT1 08:00 - 08:30 0.50 DRILL P INT1 08:30 - 09:30 1,00 DRILL P INT1 09:30 - 10:00 0.50 DRILL P INT1 10:00 - 18:00 8.00 DRILL P INT1 18:00 - 20:30 20:30 - 21 :30 21 :30 - 00:00 DRILL P 1.00 DRILL P 2.50 DRILL P INn INT1 INT1 11/27/2004 00:00 - 01 :00 1,00 DRILL P INn 01 :00 - 13:00 12.00 DRILL P INT1 13:00 - 13:30 0.50 DRILL P 10.50 I DRILL P INn 13:30 - 00:00 INn 11/28/2004 00:00 - 00:00 24.00 DRILL P INT1 3240 PSI, 80 RPM - DH 337, WOB 10k - 15k, TQ 7k - 8,5k, Cal ECD= 9.94 ppg Actual Final ECD=10.81 ppg CBU & pump sweeps to bring down ECD, Drop from 10.87 ppg to 10.78 ppg (Having problems with high ECD, Control drill but still having problems) Continue drilling from 6163' to 6257'. Same parameters as above. Cal ECD= 9.94 ppg Act ECD", 1 0.84 ppg Pump 30 Bbls Hi -Vis sweep to drop ECD, with no success. Small amount of cuttings back with sweep. Monitor well, POH from 6257' to 5877'. Had 20k - 25k over pull, Attempt to work pipe. Run 1 stand back in to start backreaming. Backream from 5970' to 4000', GPM 415 - 2200 PSI, 80 RPM- DH 337, RT wt 126k, Torque 4k - 6k, Cal ECD",10.0 ppg Max ECD=11.8 ppg POH from 4000' to 2581' (shoe). Circulate to lower ECD, Change out Saver Sub, Service Top Drive & Crown. TIH to 6163', Wash down last stand to bottom 6257'. SPR #1 2BPM '" 275 psi, 3BPM '" 325 psi SPR #2 2BPM = 275 psi, 3BPM '" 325 psi CBU to check ECD, Start adding Spike Fluid to raise weight from 9.4 to 9.7 ppg and inhibit formation, Cal ECD = 9.84, Actual ECD = 10.22 Drill from 6257' to 7272' (TVD 7044'), GPM 547 - 3483 PSI, SPM 226, WOB 5k - 10k, RPM 80 - DH 337, Torque 4k - 6k, Up wt 168k - Dn wt 121k - Rt wt 139k, Cal ECD '" 1 0.21 ppg Actual ECD = 10.33 ppg CBU to lower ECD & Mud losses (25 bbls) , Due to crossing Fault at 7272' (TVD 6315'). Drill & Slide from 7272' to 8218' (TVD 7044'). GPM 510 - 3650 PSI, SPM 229, WOB 8k - 10k, RPM 80 - DH 337, Torque 9 -10K, Up wt 188k - Dn wt 122k - Rt wt 148k, (increase mud wt from 9.7·10.8 ppg). Cal ECD = 11.4 ppg I Actual ECD = 11.63 ppg. ART: 7.95 hrsl AST: 5.46 hrs SPR #1 2BPM = 475 psi, 3BPM = 550 psi SPR #2 2BPM = 450 psi, 3BPM = 550 psi. Drill from 8218" to 9338' (TVD 7937'), GPM 540 - 3,663 PSI, SPM 221, WOB 5k· 10k, RPM 80 - DH 333, Torque 8k - 10k, Up wt 217k - Dn wt 132k - 165k Top of Kingak @ 8892' (TVD 7577') Start Control Drill 100 FPH 0.7 ECD. Cal ECD '" 11.31 ppg Act ECD = 11.45 ppg Printed: 1/4/2005 9:55:48 AM ~ BP Operations Summar Legal Well Name: Common Well Name: Event Name: Contractor Name: Rig Name: L-02 L-02 DRILL+COMPLETE NABORS ALASKA DRILLING I NABORS 9ES Start: 9/21/2004 Rig Release: 1/1/2005 Rig Number: Spud Date: 11/21/2004 End: Task cOd1NPt 11/28/2004 00:00 - 00:00 24.00 DRILL P I INT1 I I I I I 11/29/2004 00:00 - 01 :30 1.50 DRILL P I INT1 I i i 01 :30 - 02:30 DRILL P I INT1 1.00 I I i 02:30 - 10:00 7.50 DRILL P INT1 10:00 - 12:00 2.00 DRILL P INT1 12:00 - 19:30 7.50 DRILL P INT1 19:30 - 20:30 1.00 DRILL P INT1 20:30 - 22:00 1.50 DRILL P INT1 22:00 - 22:30 0.50 DRILL P INT1 22:30 - 00:00 1.50 DRILL P INT1 11/30/2004 00:00 - 00:30 0.50 DRILL P INT1 00:30 - 02:00 1.50 DRILL P INT1 02:00 - 02:30 0.50 DRILL P INT1 02:30 - 06:00 3.50 DRILL P INT1 06:00 - 08:00 2.00 DRILL P INT1 08:00 - 08:30 0.50 DRILL P INn 08:30 - 15:00 6.50 DRILL P INT1 15:00 - 15:30 0.50 DRILL P 15:30 - 18:00 2.50 DRILL P 18:00 - 20:00 2.00 DRILL P 20:00 - 22:00 2.00 DRILL P INT1 INT1 INT1 INT1 SPR #1 @ 2 BPM = 400 psi, 3 BPM = 500 psi SPR #2 @ 2BPM = 400 psi, 3 BPM = 500 psi Drill & Slide from 9338' to 9480', GPM 530 - 3650 PSI, Torque 10 - 12k, WOB 8 - 10k, Up wt 217k - Dn wt 132k - Rt wt 165k. Cal ECD = 11.41 - Actual ECD = 11.55 Lost Swab in #2 Pump @ 9480', Circulate with #1 Pump while changing out swab. Drill & Slide from 9480' to 9917', GPM 530 - 3650 PSI, Torque 10 - 12k, WOB 8 - 10k, Up wt 235k - Dn wt 135k - Rt wt 170k. Cal ECD = 11.31 - Actual ECD = 11.45 AST = 1.6 ART = 5.2 Shackle fell to floor, Had Hazard Hunt,and Inspect derrick. Found that Shackle had fell from top of skate chute. (IR # 1144541) DriU & Slide from 9917' to 10260' (TVD 8695) GPM 530 - 3650, Torque 10 - 12k, WOB 5 - 10K, Up wt 250k - Dn wt 135k- Rt wt 176k, Cal ECD = 11.36 ppg - Actual ECD = 11.40 CBU as per Geologist for sample. Change out Swabs & Liners in #2 Pump, Continue to Circulate at a reduced rate. Drill from 10260' to 10283' (TVD 8713') per Geologist. Same as above. CBU as per Geologist for sample. Change seats & valves in #2 pump, Continue Circulating with #1 pump at a reduced rate. Drill from 10283' to 10288' (5') per Geologist, Ciculate for sample (Sag River). TD 10288' (Top of Sag) per Geologist, Circulate SUNey. Cal ECD = 11.29 - Actual ECD = 11.30 Shut down pumps, Monitor well for flow, POH from 10288' to 5976' for shot trip ( Wiped outTight Spot 8240'). LD Ghost Reamer. RIH from 5976' to 9364' Tight spot. Wash & Ream from 9364' to 9458'. GPM 430 - 2650 PSI, 60 RPM, Torque 12k. Continue RIH from 9458' to 10268'. Tag fill (20'). Wash down to 10288' Circulate and Condition hole, Weight mud system form 10.8 ppg to 11.3 ppg, Due to Kingak sloughing shales. Add lubes to mud system. Continue to circulate. Torque 13 -15k. Cal ECD = 11.78 - Actual ECD = 11.81 LD single joint, POH to 10198', Up wt 270k - Dn wt 130k. Pulled up to 300k. Made several attempts with no success. Pull up to 315k, with no success. Trip back to bottom. CBU. Increase mud wt from 11.3 ppg to 11.5 ppg to hold back shales. Add lubes to mud system. GPM 525 - 3563 PSI, 100 RPM. Torque 12 -13k. Cal ECD = 12.06 ppg - Actual ECD = 11.88 Monitor well. POH from 10288' to 7000'. No problems on short trip. TIH from 7000' to 10288' (Had 10' fill). wiped out tight spot at 9399'. No problems on trip in hole.. Printed: 1/4/2005 9:55:48 AM " BP EXPLORA TIO Operations Summary Page 5 of 19 Legal Well Name: Common Well Name: Event Name: Contractor Name: Rig Name: L-02 L-02 DRILL+COMPLETE NABORS ALASKA DRILLING I NABORS 9ES Start: 9/21/2004 Rig Release: 1/1/2005 Rig Number: Spud Date: 11/21/2004 End: 11/30/2004 22:00 - 00:00 2,00 DRILL P INT1 CBU x2. GPM 525 - 3718 PSI, 100 RPM, Torque 12 - 13k. Cal ECD = 12.06 - Actual ECD = 11.95 12/1/2004 00:00 - 08:30 8,50 DRILL P INT1 POH from 10288' to run 7" casing. LD BHA , and remove equipment from rig floor. No problems on trip out of the hole.. 08:30 - 11 :00 2.50 DRILL P INT1 Pull wearbushing, Install test plug. Change out top rams to 7", Test doors to low 250 psi - High 3500 psi, Pull test plug, 11 :00 - 12:00 1.00 CASE P INT1 RU Casing Tools, and change bails, 12:00 - 12:30 0.50 CASE P INT1 Held PJSM, MU shoe track and check floats. 12:30 - 16:30 4.00' CASE P INT1 RIH with 7" 26# L-80 BTC-M Casing to Casing shoe (2581') CBU stage pumps up to 6 BPM - 405 PSI, Up wt 100k - Dn wt 90k. 16:30 - 00:00 7.50 CASE P INT1 Continue PU/MU 7" Casing, Filling pipe every joint and break circulation every 5 joints. CBU on the run at 3500' -4100'. ! Total losses to well from casing job 35 Bbls. 12/2/2004 00:00 - 12:00 12.00 CASE P INT1 RIH with 7" 26# L-80 BTC-M Casing to 10288', Limiting running speed in open hole to one minute per joint slip to slip. Filling every joint and breaking circulation every 5 joints with fill -up tool. Circulate bottoms up at 6600' - 7200'.8100' - 8750', Hole taking some fluid 5 - 8 Bbls every 15 joints. (Total 105 bbls) Pu wt on bottom 325k - Dn wt 145k. 12:00 - 13:30 1.50 CASE P INT1 Circulate BU x3, Stage up pumps to 6 BPM - 1014 PSI. 13:30 - 14:00 0.50 CEMT P INT1 Held PJSM with Dowell & Nabors Crew. 14:00 - 16:00 2.00 CEMT P INT1 Pump 5 Bbls mud push. Test lines to 4000 PSI. Pump 20 Bbls mud push weighted to 11.8 ppg at 5 BPM. Shut down pumps, Release bottom plug. Mix & pump 31 Bbls (150 sk) class G cement 15.8 ppg at 5 BPM - 1260 PSI. Release top plug. Switch to rig pumps, pump 387 Bbls 11.5 ppg mud. Bump plug with 1000 PSI. Check floats. Cement in place at 16:00 hrs. 16:00 - 19:00 3.00 CEMT P INT1 Reload Head with ES cementer closing plug. Pressure up to 3200 PSI to open ES cementer. Circulate at 6 BPM - 479 PSI (3 hrs). PU 7" casing string to 225k. 19:00 - 20:30 1.50 CEMT P INT1 Held PJSM with Dowell, Co Rep, and Nabors crew. Pump 25 Bbls mud push 11.8 ppg at 5 BPM. Pump 60 Bbls class G cement at 12.5 ppg 6 BPM - 710 PSI. Release ES cementer closing plug. Switch to rig pumps. Pump 205 Bbls 11.4 ppg mud. Bump plug, pressure up to 1950 PSI to close ES cementer. Confirm ES cementer is closed. Good returns while displacing. Cement in place at 20:30 hrs. 20:30 - 21 :30 1.00 CEMT P INT1 RD Dowell cement head and lines. Remove from rig floor. 21 :30 - 00:00 2.50 CEMT P INT1 ND BOP, Set 7" casing slips with 193k. Cut 7" casing with Wachs cutter. 12/3/2004 00:00 - 02:30 2.50 CEMT P INT1 Install 7" Pack - off, NU BOP's. Open 7" x 9 5/8" annulus valve. Test Pack-off to 4350 PSI for 15 minutes. Test Good. 02:30 - 04:00 1.50 CEMT P INT1 MU Test plug on 4" drill pipe, set in wellhead. Change rams to variables. 04:00 - 07:30 3.50 BOPSU INT1 Test BOP's to BP & AOGCC Regs 250 low /3500 high, Witnessed by Chuck Scheve-AOGCC. 07:30 - 08:00 0.50 BOPSU INT1 Install wearbushing with 7" ID. 08:00 - 08:30 0.50 BOPSU INT1 Service Top Drive, Blocks, and Crown. 08:30 - 09:30 1.00 BOPSU INT1 Cut & Slip drilling line 93'. 09:30 - 11 :30 2.00 DRILL PROD1 MU BHA #2 with PDM 1.83 ABH with Tri-cone 6 1/8" Bit. 11 :30 - 15:00 3.50 DRILL PROD1 TIH with singles from pipe shed. While tripping in hole, Injected 80 bbls LSND mud in 7" x 9 5/8" annulus. Pumped 15 Bbls Printed: 1/4/2005 9:55:48 AM BP EXPLORATION Operations Summary R Legal Well Name: Common Well Name: Event Name: Contractor Name: Rig Name: L-02 L-02 DRILL+COMPLETE NABORS ALASKA DRILLING I NABORS 9ES Start: 9/21/2004 Rig Release: 1/1/2005 Rig Number: Spud Date: 11/21/2004 End: 12/3/2004 11 :30 - 15:00 3.50 DRILL P i PROD1 12.5 ppg mud followed by 62 Bbls dead crude. 15:00 - 16:00 1.00 DRILL P PROD1 Tag ES cementer at 5376', Drill out ES cementer to 5379'. CBU. 16:00 - 18:30 2.50 DRILL P PROD1 RIH from 5379' to 10100' 18:30 - 19:30 1.00 DRILL P PROD1 Circulate and Condition mud, Test casing to 3500 PSI on chart for 30 minutes. 19:30 - 20:00 0.50 DRILL P PROD1 Wash down from 10100' to 10202'. Tagged Landing Collar. 20:00 - 21 :30 1.50 DRILL P PROD1 Drill LC and cement from 10202' to 10245' (Float Collar). Drill cement to 10268' (20' from Float Shoe). 21 :30 - 22:30 1.00 DRILL P PROD1 Displace well from 11.5 ppg to 9.0 ppg Flo - Pro mud with 2% lubetex. GPM 250 - 2045 PSI, RPM 80. 22:30 - 23:30 1.00 DRILL P PROD1 Drill cement from 10268' to 10288' (Float Collar). Drill 20' new hole to 10308'. 23:30 - 00:00 0.50 DRILL P PROD1 CBU to ensure 9.0 ppg in -out of hole. Perform FIT to 10.5 EMW (680 PSI). 12/4/2004 00:00 - 08:00 8.00 DRILL P PROD1 Slide from 10308' to 10497', GPM 265 - 2095 PSI, Flow 25%, WOB 10k - 15k, Up wt 223k - Dn wt 130k. AST = 5.45 Hrs ART = 0 Hrs 08:00 - 08:30 0.50 DRILL N DPRB PROD1 Encounter flow increase, Shut down pumps, PU & Monitor well, *~ Flow 22%. Close upper pipe rams. Notify TP, Co Rep. SIDP \.'o~ r 66 psi - SICP 125 psi. 20 Bbl gain. . J,r 08:30 - 10:30 2.00 DRILL N DPRB PROD1 Initiate Drillers Method as per Co Rep & TP, Circ 2 BPM ICP 11''''' 850 psi. 10:30 - 11 :00 0.50 DRILL N DPRB PROD1 Shut in well. Monitor, FCP 850 psi - Casing 150 psi. 11:00 - 12:00 1.00 DRILL N DPRB PROD1 Increase mud wt from 9.0 ppg to 9.3 ppg.FCP 850 psi - CP 125 psi. 12:00 - 15:30 3.50 DRILL N DPRB PROD1 Circulate kill mud 9.3 ppg, 35 SPM - 2 BPM, DP 740 psi - Casing 125 psi. 15:30 - 19:00 3.50 DRILL N DPRB PROD1 Circulate kill mud 9.3 ppg, 51 SPM - 3 BPM, DP 950 psi - Casing 140 psi. Had Gas cut mud to 8.9 ppg at 3350 STKS to 4100 STKS. BU 5952 STKS. 19:00 - 19:30 0.50 DRILL N DPRB PROD1 Shut in well. DP 110 psi - Casing 140 psi, Open choke to bleed 1 Bbl, Pressure went to 0 psi on Casing. Bled drill pipe pressure to 0 psi. Close choke, Monitor pressure, pressure did not build up. Open well, Monitor well, no flow. 19:30 - 20:30 1.00 DRILL P PROD1 Silde from 10494' to 10503'. GPM 270 - 1950 psi. 20:30 - 00:00 3.50 DRILL N DPRB PROD1 Lost returns, fluid level at flow line, 60 Bbls lost, Spot Cal Carb pill 1 0 Bbls. Pull up to shoe to reduce hydrostatics, Circulate and cut mud back from 9.3 ppg to 9.1 ppg. Had to circulate through open choke to keep gas out of pit area. T otalloss for tour: 190 bbls. 12/5/2004 00:00 - 00:30 0.50 DRILL N DPRB PROD1 Spot 12 Bbls LCM pill at 10484', GPM 85 - 515 psi. flow 7%. 00:30 - 01 :00 0.50 DRILL N DPRB PROD1 POH to shoe 10288', Circulate to cut mud back from 9.3 ppg to 9.1 ppg. 01 :00 - 03:30 2.50 DRILL N DPRB PROD1 Continue to circulate BU at 2 BPM getting back 1 BPM hole taking 50%. Line up to circulate through choke to keep gas out of the pit area. 03:30 - 04:30 1.00 DRILL N DPRB PROD1 Mud weight 9.1 ppg in and out. Shut down pumps, Monitor well for losses. Hole is not taking any fluid with pumps off. 04:30 - 07:00 2.50 DRILL N DPRB PROD1 Pump 20 Bbls Cal Carb pill, Pump 2 BPM to bit, Close annular, Bull head at 1 BPM. Printed: 1/4/2005 9:55:48 AM BP Page 7 of 19 Summary Report Legal Well Name: L-02 Common Well Name: L-02 Spud Date: 11/21/2004 Event Name: DRILL+COMPLETE Start: 9/21/2004 End: Contractor Name: NABORS ALASKA DRILLING I Rig Release: 1/1/2005 Rig Name: NABORS 9ES Rig Number: + "'- 12/5/2004 DPRBI:R~D1 I 07:00 - 08:30 1.50 DRILL N I Circulate BU at shoe, GPM 85 - 625 PSI, Flow 9%. 08:30 - 09:00 0.50 DRILL N PROD1 ¡Wash down from 10288' to 10503', GPM 127 - 620 PSI. 09:00 - 10:00 1.00 DRILL P PROD1 1 Drill from 10503' to 10515', GPM 220 - 1450 PSI, Up wt 236k- I Dn wt 140k, AST:.53 10:00 - 12:30 2.50 DRILL N DPRB PROD1 I Gas to surface at 2085 stks (BU 4100 stks), Shut in well, Circulate out gas on open choke GPM 122 - 734 PSI. 12:30 - 13:00 0.50 DRILL N DPRB PROD1 I Close choke, Monitor well, SICP 0 PSI - SIDP 0 PSI. Open ! well, well static. 13:00 - 21:00 8.00 DRILL P PROD1 I Drill from 10515' to 10820', GPM 223 - 1950 PSI, 50 RPM, Up ! wt 236k - Dn wt 145k - Rt wt 170k, Flow 17%, I ART: .9 - AST: 5.0 I Had Connection gas to surface from 3600 stks to 4150 stks, 21 :00 - 00:00 3.00 DRILL P i Mud wt cut to 8.8 ppg. PROD1 i Circulate BU prior to POH to change out Bit and BHA. Circulate I hole with 9.1 ppg, GPM 253 - 1927 PSI, i 12 Bblloss to hole while circulating BU. Shut down pumps, I Monitor well, Flowing at 12%, Increased to 22%. Had 25 Bbl ¡gain, Shut in well, Circulate on open choke. Close choke, SIDP 176 PSI - SICP 150 PSI. 12/6/2004 00:00 - 00:30 0.50 DRILL N DPRB PROD1 I Open choke bleed 15 Bbls to trip tank, Close choke, Monitor for 115 minutes, SIDP 63 PSI - SICP 75 PSI. 00:30 - 05:30 5.00 DRILL N DPRB PROD1 ! CBU at 2 BPM on open choke, getting gas and crude back to i surface. Hole taking about 60 BPH while circ. Try to reduce 05:30 - 06:00 0.50 DRILL N DPRB PROD1 I pump rate, Had more gas to surface at a reduced rate. i Call town to get ok to spot a Barafibe LCM pill to control losses. I Mix & pump 30 Bbl LCM pill. 06:00 - 07:00 1.00 DRILL N DPRB PROD1 Monitor well, well flowing, Shut in well to keep LCM pill on bottom. Open well after waiting 30 minutes, Well has small amount of flow. 07:00 - 08:30 1.50 DRILL N DPRB PROD1 POH from 10820' to 10288' (shoe). Well swabbing. pump out of hole. 08:30 - 09:30 1.00 DRILL N DPRB PROD1 Shut in well, Circ BU through open choke, Shut down pumping, Monitor well, Open well. 09:30 - 11 :00 1.50 DRILL N DPRB PROD1 Continue circulating with well open at 1.5 BPM. Increase rate to 3 BPM - Flow 9% - 820 PSI. Flow increase from 9% to 14%. Gas back to surface. 11 :00 - 12:00 1.00 DRILL N DPRB PROD1 Shut in well & Circ out gas on open choke. Shut down pumps. 12:00 - 13:30 1.50 DRILL N DPRB PROD1 Close choke. Monitor well, SICP 0 PSI - SIDP 0 PSI. Drop ball to open Circ sub. Sheard at 2400 PSI. Pump 24 Bbls LCM pill. Spot and squeeze at 1 BPM - 510 PSI. Bleed pressure to zero. Open well. 13:30 - 15:00 1.50 DRILL N DPRB PROD1 Circulate BU at 2 BPM - 528 PSI. Monitoring losses 15 BPH. 15:00 - 16:00 1.00 DRILL N DPRB PROD1 Slow down pumping to 1.4 BPM - 477 PSI. Monitoring losses 24 BPH 16:00 - 16:30 0.50 DRILL N DPRB PROD1 Shut down pumps. Monitor well. Flow 3%. Gain 3 Bbls. 16:30 - 19:00 2.50 DRILL N DPRB PROD1 Circulate well while cleaning pit to take on new mud. 19:00 - 22:00 3.00 DRILL N DPRB PROD1 Displace well with new 9.1 ppg Flopro NT. Total losses while displacing 35 Bbls. 22:00 - 22:30 0.50 DRILL N DPRB PROD1 Shut down pumps. Monitor well. Flowing at 5%. 5 Bbl gain. 22:30 - 00:00 1.50 DRILL N DPRB PROD1 Circulate BU while weighting up mud from 9.1 ppg to 9.2 ppg. 12/7/2004 00:00 - 02:30 2.50 DRILL N DPRB PROD1 Wt. up f/9.1ppg t/9.2 ppg at 34 spm, 546 psi, 7% flow, 12-16 bph loss rate. At 3360 stks reduced rate to 1.5 bpm due to 24 bph loss rate. Losses were reduced to 12 bph (total loss = 55 Printed: 1/4/2005 9:55:48 AM , EXPLORA TION Summary Legal Well Name: L-02 Common Well Name: L-02 Spud Date: 11/21/2004 Event Name: DRILL+COMPLETE Start: 9/21/2004 End: Contractor Name: NABORS ALASKA DRILLING I Rig Release: 1/1/2005 Rig Name: NABORS 9ES Rig Number: Date ~~et :R:j, · \bbl'l Moo;", well wm.2 p09,5 ~ ga;wmln 12/7/2004 00:00 - 02:30 2.50 DRILL N DPRB 02:30 - 07:00 4.50 DRILL N DPRB PROD1 I Con't circ & wait up mud to 9.3 ppg at 1.5 bpm, 25 spm, 475 psi, 6% flow, lost 77 bbls. 07:00 - 10:00 3.00 DRILL N DPRB PROD1 Open well and monitor flow-back w/9.3 ppg mud, 22 bbls gain, i chart loss/gain. 10:00 - 15:00 5.00 DRILL N DPRB PROD1 I CBU through open choke at 1.5 bpm, 515 psi, 9.3 ppg mud, I mud loss at 20 bph, 3850 stks crude cut mud V9.0 ppg (@85 I bbl mud loss). 15:00 - 18:30 3.50 DRILL N DPRB PROD1 I Shut down to monitor well flow, 25 bbl gain. 18:30 - 20:00 1.50 DRILL N DPRB PROD1 i POOH on 10 std short trip f/10,283' V9354', 15'-20'/min pull rate ! pumping .3-.4 bpm, lost 5 bbls on trip out. 20:00 - 20:30 0.50 DRILL N DPRB PROD1 I Monitor well at 9354' - static. 20:30 - 21 :30 1.00 DRILL N DPRB PROD1 RIH (15'-20'/min) f/9354' V 10,283', lost pipe displacement+. 21 :30 - 00:00 2.50 DRILL N DPRB PROD1 ,CBU through open choke at 1.5 bpm, 457 psi, w/9.3 ppg mud, i initial loss rate at 60 bph reduced to 6 bph. ¡ (Total Loss f/Day = 287 bbls mud. I ! 12/8/2004 00:00 - 01 :30 1.50 DRILL N DPRB PROD1 I Con't CBU at 2 bpm, 540 psi. At 4468 stks, 9.0 ppg mud, 6100 stks, 9.3 ppg mud. 98 bbls total losses wlcirc well. 01 :30 - 02:30 1.00 DRILL N DPRB PROD1 . Con't to pump and spot 25 bbls high viscosity pill at circ sub, 2 I bpm, 596 psi, 5 bblloss. 02:30 - 03:30 1.00 DRILL N DPRB PROD1 POOH 5 stds f/10,278' V9811' while spotting the 25 bbl high vis pill into a 500' column in the 7" casing just above the shoe, POOH at 15'/min, 17 spm, 170 psi,S bbls flow-back w/spotting pill. 03:30 - 04:00 0.50 DRILL N DPRB PROD1 After spotting high vis pill in the 7" casing, shut in well to let pressure disipate, SICP f/90 psi to 125 psi in the 30 min shut-in. 04:00 - 06:00 2.00 DRILL N DPRB PROD1 Open annulus & monitor well, chart gain/loss in preparation to POOH, 06:00 - 23:00 17.00 DRILL N PROD1 POOH f/9811 V1500' at 15'/min, 6 spm, 265 psi, 5 bbl net gain - (w/peroidic well monitoring to insure safe operation). 23:00 - 00:00 1.00 DRILL N PROD1 Monitor well prior to completing TOOH ( SICP 35 psi at 30 min). 12/9/2004 00:00 - 01 :00 1.00 DRILL N PROD1 Con't monitor SICP, built to 35 psi. 01 :00 - 01 :30 0.50 DRILL N PROD1 Con't POOH f/1528' V1155', shut in well, SICP 30 psi. 01 :30 - 02:30 1.00 DRILL N PROD1 POOH f/1155' V867', shut in well, SICP 40 psi. 02:30 - 03:00 0.50 DRILL N PROD1 POOH f/867' V159', 1-3% flow, well-flow rate increasing. 03:00 - 03:30 0.50 DRILL N DPRB PROD1 MU single to jar std, std back, increase flow to 6%, shut in well, SICP 55 psi increasing to 90 psi. 03:30 - 04:00 0.50 DRILL N DPRB PROD1 Circ (choke) at 1 bpm, DP pressure 425 psi, holding 75 psi casing pressure, gas cut mud returns. 04:00 - 06:00 2.00 DRILL N DPRB PROD1 PJSM, begin strip in hole to 450', fill pipe & circ, 1 bpm, 400-425 psi, 75 psi casing pressure, 9.1 ppg gas cut mud returns. 06:00 - 08:00 2.00 DRILL N DPRB PROD1 Strip in hole to 1275'. 08:00 - 09:30 1.50 DRILL N DPRB PROD1 Circulate well through choke at 1275' at 1 bpm, initial DP pressure 400 psi, final pressure 320 psi, casing pressure 75 psi. Printed: 1/412005 9:55:48 AM Legal Well Name: Common Well Name: Event Name: Contractor Name: Rig Name: L-02 L-02 DRILL+COMPLETE NABORS ALASKA DRILLING I NABORS 9ES From -TO/ 12/9/2004 09:30 - 12:00 2.50 DRILL N DPRB PROD1 12:00 - 15:00 3.00 DRILL N DPRB PROD1 15:00 - 18:00 3.00 DRILL N DPRB PROD1 18:00 - 20:30 2.50 DRILL N DPRB PROD1 - 21:00 0.50 DRILL N DPRB PROD1 21 :00 - 00:00 3.00 DRILL N DPRB PROD1 12/10/2004 00:00 - 03:00 3.00 DRILL N DPRB PROD1 03:00 - 05:00 2.00 DRILL N DPRB PROD1 05:00 - 09:30 4.50 DRILL N DPRB PROD1 09:30 - 11 :00 1.50 DRILL N DPRB PROD1 11 :00 - 17:00 6.00 DRILL N DPRB PROD1 117:00 - 17:30 0.50 DRILL N DPRB PROD1 I 17:30 - 21 :30 4.00 DRILL N DPRB PROD1 21 :30 - 22:00 0.50 DRILL N DPRB PROD1 22:00 - 00:00 2.00 DRILL N DPRB PROD1 ORATION Report Start: Rig Release: Rig Number: Spud Date: 11/21/2004 End: 9/21/2004 1/1/2005 Con't strip in hole to 2776'. Circ at 2676' (choke) at .58 bpm, initial DP 325 psi, casing 100 psi, 11 bblloss, gas cut mud t/8.6 ppg, final DP 309 psi, csg 60 psi, loss 9 bbls 9.3 ppg mud. Monitor well (DP 0 psi, csg 60 psi), con't strip in hole f/2676' t/500T. Circ (choke) well at SOOT, 1.4 bpm, initial dp 444 psi, casing 70 psi, gas cut mud 8.6 ppg and what appeared to be free gas to surface, final DP 442 psi, casing 30 psi, 15 bbls lost, 2850 total stks. 9.3 ppg mud to surface 50 bbls past theoretical bottoms up. Monitor closed well. SICP 40 psi, open well and observe approximate flow of 30 BPH, Shut in well in preparation for continued stripping operations. Strip in hole to 7529', observed flow past dart valve. linstall #2 dart valve at 4483' (std 48-49) and continue stripping in hole without incident. Continue stripping in hole to 7535'. Begin circulation with 85 psi csg pressure and bring pump rate up to 2.0 BPM. Circulate out 2330 strokes ( 80% bottoms up) and began loosing 50% returns mud. Reduce pump rate to 1.5 BPM with 50%-75% returns. At bottoms began losing 100% returns. Stop pumping and shut in well. No pressure observed. Open annular and observed mud just below BOP's. Attempt to circulate. Losing 50% returns. Stop and observe well stable. RIH frorn 7535' to 9561'. Hole taking 100% of displacment/capacity. Observe well 15 minutes. Flowing very slighty. Attempt to circulate at 1 bbl/min with no returns. Shut well and observe. Observe well and prepare for FormAPlug job, minimal flow, shut in well, initial csg at 0 psi building to 50 psi. Test lines t/3000 psi, pump 10 bbls spacer, 54 bbls 10.5 ppg FAP, 10 bbls spacer, 24.3 bbls 9.3 mud, close back-side and bull head 70 bbls below bit at 2 bpm, 1052 max psi, plug in place at 11 :00 hrs. Shut in well with FAP in place below bit, holding 501 psi on DP and 370 psi on csg. (Note: Sorne pressure increase on DP & csg to 615 psi before breaking back to 452 psi.) Final SIDPP: 425 psi; SICP: 440 psi. Bleed off pressure on both sides. Open annular. Monitor well. Well dead., Blow down lines. Circ well at 1.5 bpm, 675 psi, initial 9.3 ppg in, 8.9 ppg out, gas cut mud, FAP in returns at BU plus next 100 bbls, no mud gain/loss. No hydrocarbons in gas. Monitor open well f/15 min, well static but perc gaslair on top well. Begin second surface to surface circulation to bleed in 16% 9.3 ppg NaCI brine to cut mud rheology (target YP = 15-18), switched to sack salt from calcium carbonate to maintain weight (some stripping of calcium carbonate at shakers I possible oil wetting). Mud Loss f/Day = 35 bbls. Printed: 1/4/2005 9:55:48 AM Legal Well Name: Common Well Name: Event Name: Contractor Name: Rig Name: L-02 L-02 DRILL+COMPLETE NABORS ALASKA DRILLING I NABORS 9ES 9/21/2004 1/1/2005 Spud Date: 11/21/2004 End: Start: Rig Release: Rig Number: - To Hours 12/11/2004 00:00 - 01 :30 1.50 DRILL N DPRB PROD1 I 01 :30 - 02:00 0.50 DRILL N DPRB PROD1 02:00 - 10:30 8.50 DRILL N DPRB PROD1 10:30 - 12:00 1.50 DRILL P PROD1 12:00 - 18:00 6.00 DRILL P PROD1 18:00 - 22:00 4.00 DRILL N DPRB PROD1 22:00 - 00:00 2,00 DRILL N Con't to circulate well & bleed in 9.3 ppg brine to reduce YP to 15-17 range. Circulation complete w/9.3 ppg in & out, YP = 17. Monitor well (ok), POOH f/BHA #3. PU BHA #3 RIH t/1161', shallow hole test MWD, can't RIH filling pipe every 20 stds, CBU at 5000', can't RIH to 9200' - OK. Begin to wash down f/9200' maintaining 9.3 ppg mud weight going into well at all times, 175 gpm, 720 psi, 10-12k torq, took wt at 9490', FAP and oil wet cal carb in returns (often heavy), clean-out 7" to 10,207' dealing with screen blinding issues. DPRB PROD1 CBU at 10,207' (73' above shoe) to clean-up cased hole prior to going into open-hole, 125 gpm, 600 psi, 50 rpm, 12k tq, increased to 275 gpm, 1800 psi, 10k tq, dealing with screen blinding f/FAP and oil wet cal carbo DPRB PROD1 Wash down into open-hole f/10,207' t/10,500' (orient high-side/no rotation), 250 gpm, 1563 psi, 250k up, 135k dn - no issues. F/10,500' t/10,720' well flowing on connection (last connection took 3112 minutes - took 10 bbl gain), losing mud when circulating. (NOTE: Screen blinding at shakers due to FAPI cal carb in returns.) DPRB PROD1 Well flowing, shut in well w/350 psi on csg, 106 psi on dp, begin to circulate out influx (oil & gas) using driller's method at 2 bpm (oil & gas cut rnud in returns), ICP = 525 psi, FCP = 43 psi. DPRB PROD1 Monitor welllcirculate well, SICP to 90 psi in 5 min, bleed dn 5 min, gain 5 bbls, shut in, pressure built at reduced rate, CBU at 4 bpm 850 psi thru full open choke, losing .5 bpm, shut down pumps, open bleed off and hydril, bring pumps up to drlg rate, tag bottom, start drlg (sliding) w/220 gpm. PROD1 Drill f/10820' t/11 ,325', 235 gpm, 2020 psi on, 1700 psi off, 5-13k wOb, 60 rpm, 10-11 k tq on, 8k tq off, 218k up, 166k dn, 137k rt. 12/12/2004 00:00 - 03:00 03:00 - 05:30 05:30 - 08:00 08:00 - 00:00 DRILL N 2.50 DRILL N 2.50 DRILL N 16.00 DRILL P AST = 4.1 hrs I ART = 6.95 hrs Comments: 1. While drilling ahead, well takes @ 1 0 bblslhr while circulating at 235 gpm and flows back @3 bbls/min during connections with lesser influx volumes during the 30' surveys where the pump rate is cycled down to 100 gpm - (mud loss wId rill down a 1 hour stand = 10 bbls / flow-back on 2.5 min connection = 7.5 bbls). 2. The duration of gas/oil cut returns appears to be declining (1400stks down to 600 stks), however, there is a direct correlation to influx volume and connection time (average connection = 2.5 min). 3. Calculated ECD w/drilling at 235 gpm = 10.1 ppg (lose mud at 10 bph). Calculated ECD at survey flow rate of 100 gpm = 9.8 ppg (well flows while cycling for survey at this flow rate). Printed: 1/412005 9:55:48 AM BP Legal Well Name: Common Well Name: Event Name: Contractor Name: Rig Name: L-02 L-02 DRILL+COMPLETE NABORS ALASKA DRILLING I NABORS 9ES Start: 9/21/2004 Rig Release: 1/1/2005 Rig Number: Spud Date: 11/21/2004 End: [Code 12/12/2004 08:00 - 00:00 16.001 DRILL p 12/1312004 00:00 - 00:00 24.00 DRILL P PROD1 4. Maintaining mud weight at 9.4 ppg at suction pit using sack salt for density while running a solids free mud system wIre/axed rheology (YP = 15-20). Mud stable / screen blinding no longer a problem I running all SCE. Con't drill f/11 ,325 t/12, 103',245 gpm, 2150 psi on, 1810 psi off, 9.3k tq on, 8.5k tq off, 210k up, 127k dn, 169k rt, 60 rpm, 8-12k wob, 60-80 fph rop. PROD1 Mud loss flday = 378 bbls Total loss since back on bottom = 518 bbls AST = 4.9 hrs I ART = 9.37 hrs Comments: 1. Mud weight reduced fl 9.4 to 9.2 ppg. 2. Running relaxed rheology to ease de-gassing at surface. 3. Mud loss rate up t/16-18 bph wIdrig (possibly due to seepage in Ivishak). 4. Flow-back during connections and survey cycle appears to be about the same (7-8 bbl/ min during connections). 5. Circulating out all influx prior to making connections. 6. No screen blinding issues. 7. Continue to log all trends. 8. 21"10 flow at drlg rate (240 gpm) I 11-12"10 flow static on connections. 9. au fl influx at 220 bbls lasting for 52 bbls. 10. Oil & gas concentrations in mud at au appear similar to yesterday's. 12/14/2004 00:00 - 00:00 24.00 DRILL P PROD1 Con't to drill fl 12,103' t/12,821', 245 gpm, 2110 psi on, 1770 psi off, 211k up, 170k dn, 132k rt, 60 rpm, 9.2k tq on, 7.6k tq off, 10-20k wob. Mud lost flday = 268 bbls I Mud lost since back on bottom w/BHA #3 = 786 bbls AST = 8 hrs I ART = 6.72 hrs Comments: 1. 3 1/2 minute connections result in a proportional increase in gas cut mud returns, Le., the actual volume of gas cut returns is directly related to the pumps-off time during connections. 2. The requested trends are detailed in the Remarks section of this report. 3. While the BU returns are oil cut, the influx appears to be primarily gas. 4. Mud properties stable (wt = 9.2 ppg I YP = 14) wIno screen blinding issues. 5. There does not appear to be any reduction on the well flow-back tendancy with pumps off. 6. Mud losses wIdrig (245 gpm) = @12-15 bph. 7. Mud gain on connections (well static) = @3 bpm. Printed: 1/4/2005 9:55:48 AM Legal Well Name: Common Well Name: Event Name: Contractor Name: Rig Name: BP EXPLORA TI Operations Summ L-02 L-02 DRILL+COMPLETE NABORS ALASKA DRILLING I NABORS 9ES Task jCO(:fé I 12/14/2004 00:00 - 00:00 12/15/2004 00:00 - 09:30 09:30 - 13:00 13:00 - 13:30 13:30 - 15:30 15:30 - 00:00 12/16/2004 00:00 - 19:30 19:30 - 21 :30 21 :30 - 00:00 12/17/2004 00:00 - 05:30 05:30 - 07:00 24.00 I DRILL I I i I i I i 9.501 DRILL I I I 3.50 I DRILL 0.50 I DRILL I I 2.00 DRILL p p P P p 8.50 I DRILL p 19.50 DRILL p 2,00 DRILL N 2.50 DRILL N 5.50 DRILL N 1.50 DRILL N Page 12 of 19 Start: 9/21/2004 Rig Release: 1/1/2005 Rig Number: Spud Date: 11/21/2004 End: PROD1 PROD1 PROD1 PROD1 PROD1 PROD1 PROD1 DPRB PROD1 DPRB PROD1 DPRB PROD1 8. ECD's at 10,497' (top of Shublik "kick" - PVIYP = 8/14 - 9.2 ppg mud) 100 gpm ECD = 9.69 ppg (well flows) 245 gpm ECD = 9.93 ppg (well takes fluid) 9. No indication of mud loss at #2 Fault at 12,855'. Con't drilling f/12,281' t/ 13,193' (final well TD), 215k up, 130k dn, 164 rt, 9/11 k tq on, 8.5k tq off, 245 gpm, 2000 psi on, 1760 psi off, 60 rpm, 8-12k wob, 3.5 min connections, logging all well losslgain data. Circ well at TD at 245 gpm w/60 rpm to clean hole & weight up f/9.2 ppg t/9.4 ppg wlsack salt prior to begin TOOH. Flow-check well - reduce circ rate to 100 gpm, gain 15 bbls, circ out. POOH (circ/back-reaming) f/13, 194' t/12,915' so as to circulate out each connection influx (gas) prior to breaking another connection (@45 min per stand f/BU), 245 gpm, 1800 psi, 5 min connection time pumps off to pumps on. Con't POOH f/12,915' t/12,259' at reduced back-ream flow rate to minimize well charge, 180 gpm, 1150 psi, same connection time, noticable reduction in influx (gas) volume f/23 bbls when circ at 245 gpm to 20 bbls when circ at the reduce rate of 180 gpm. Total mud loss flday = 250 bbls I Total mud loss w/BHA#3 = 1036 bbls. AST = 1.4 hrs I ART = 4.8 hrs. Con't POOH f/12,259' t/ 10,765', back-ream/circ out each stand to clear connection influx (gas) (@1 hr/std), 180 gpm, 5 min connections, 985 psi, 40 rpm, 7.4k tq off. At 10,765', monitor well, allow 30 bbl influx (12 minutes) w/o pumps, circulate out at 145 gpm, 775 psi, 9% flo, 40 rpm, 7k tq off, hole took 30 bbls on BU, BU gas cut mud about same as before w/5 min connections and 180 gpm. At 10,671', monitor well, allow 28 bbl influx (15 minutes - going f/35 bbls but flo sho to 0 - well actually flowing @.5-1 bpm), circ BU at 105 gpm, 600 spi, 40 rpm, 7k tq off - no change in gas to surface flthe 145 flow rate, hole took 48 bbls on BU, BU gas about the same as before. Total Mud Loss fl Day = 153 bbls Con't back-ream f/10,578', 80 gpm, 482 psi, 6.7k tq off, 40 rpm, circ out influx. DPRB PROD1 Monitor well I 1 hour flow-back on well at 10,578', log volume every 20 min. Printed: 1/412005 9:55:48 AM Operations Legal Well Name: Common Well Name: Event Name: Contractor Name: Rig Name: L-02 L-02 DRILL+COMPLETE NABORS ALASKA DRILLING I NABORS 9ES Page 13 of 19 Start: Rig Release: Rig Number: Spud Date: 11/21/2004 End: 9/21/2004 1/1/2005 I Code NPT 12/1712004 07:00 - 10:00 3.00 DRILL N DPRB PROD1 10:00 - 11 :00 1.00 DRILL N DPRB PROD1 11 :00 - 13:00 2.00 DRILL N DPRB PROD1 13:00 - 16:00 3.00 DRILL N DPRB PROD1 16:00 - 16:30 0.50 DRILL N DPRB PROD1 16:30 - 18:00 1.50 DRILL N DPRB PROD1 18:00 - 00:00 6.00 DRILL N 12/18/2004 00:00 - 02:00 2.00 DRILL N 02:00 - 03:00 1.00 DRILL IN 03:00 - 05:30 2.50 DRILL N 05:30 - 08:30 3.00 DRILL N 08:30 - 09:30 1.00 DRILL N 09:30 - 10:00 0.50 DRILL N 10:00 - 11:00 1.00 DRILL N 11 :00 - 16:00 5.00 DRILL N 16:00 - 16:30 16:30 - 17:00 17:00 - 19:00 0.50 DRILL N 0.50 DRILL N 2.00 DRILL N 19:00 - 00:00 5.00 DRILL N 12/19/2004 00:00 - 02:00 2.00 DRILL N 02:00 - 02:30 0.50 DRILL N Circ BU @75 gpm, record G/L, LEL, & flow. Shut dn pmps, blow dn TD, monitor flow-back I well gain, record every 15 min. Pump out of hole f/10,578' V9457' at 24 gpm, 3 min/std. Circ at 9457' 1.5 X BU at 75 gpm, recording gainlloss every 15 min. PJSM w/Dowell flpumping FormAPlug pill. Test Dowell lines to 3500 psi, rig pump 10 bb110.5 ppg lead spacer, Dowell pump 42 bbl FAP and 17 bbl tail spacer and chase w/3 bbl water to clean lines, rig pump 24 bbls 9.4 mud and shut in back-side, rig bull-head FAP below bit w/57 bbls 9.4 ppg mud at 2 bpm w/1300 psi dn to 975 psi final, shut in well w/SIDDP at 605 psi and SICP at 480 psi (plug in place at 18:00 hrs). DPRB PROD1 Kept well shut in f/6 hrs per plan monitoring and recording shut-in pressures every 15 minutes. DPRB PROD1 After 6 hrs shut in on FAP, open well and monitor same (final SICP = 550 psi I SIDP = 663 psi), bleed off to 0 on both gauges, circ surf to surf at 250 gpm, 1700 psi, reciprocating string on 30' stroke, circ out FAP returns on BU, no loss/gain wlcirc, shut down monitor well, well flow-back at 20 bbl in 10 min, circ well at 75 gpm wldiscuss option. Flow-check well, gain additional 5 bbls, flow to "nil" at end of observation. POOH 20 stds (f/9457' V7560') to PU storm packer, tried to pull wlo pmps, hole swab, pump out at 8-12 spm w/pull pipe at 30 ftlmin, well not taking correct fill and flowing. CBU at 75 gpm, 437 psi, losses at .25 bpm, FAP returns to surface. Increase circ rate V1 00 gpm, 440 psi, losses stabilized, 161 k up, 125k dn. DPRB PROD1 DPRB PROD1 DPRB PROD1 DPRB PROD1 DPRB PROD1 DPRB PROD1 DPRB PROD1 I DPRB PROD1 DPRB PROD1 DPRB PROD1 Increase circ rate V250 gpm, 1235 psi, 60 rpm, reciprocate pipe, CBU. RIH f/7588' V9457'. Circ well at 250 gpm, 1320 psi, 60 rpm, recip pipe, gas & crude at BU, reduced pump rate to 80 gpm, & CBU, gain 32 bbls, gas & crude at BU, circ hole until clean returns. Flow check well stable. PJSM w/Dowell in prep to pump #3 FAP pill. RD & SD TD, RU cement line, perp to pump FAP pill. Rig pump 16 bbls 10.5 ppg spacer, Dowell pmp 47 bbls FAP & 10 bbls 9.4 ppg spacer & 3 bbls water to clear lines, rig displace spacer to btm of DP, shut in and bullhead, plug in place at 1900 hrs, SICP = 500 psi, SIDPP = 690. DPRB PROD1 Begin 7 hr shut-in on FAP pill monitoring DP & CP every 15 min. Mud loss flday = 28 bbls. DPRB PROD1 Con't monitor well while shut in for the last 2 hrs of the planned 7 hr shut-in, recording SIDPP & SICP every 15 minutes, final SIDPP = 543psi I final SICP = 440 psi. DPRB PROD1 Bleed pressure off well, would not bleed below 20 psi, open Printed: 1/4/2005 9:55:48 AM BP EXPLORATION perations Legal Well Name: L-02 Common Well Name: L-02 Spud Date: 11/21/2004 Event Name: DRILL+COMPLETE Start: 9/21/2004 End: Contractor Name: NABORS ALASKA DRILLING I Rig Release: 1/1/2005 Rig Name: NABORS 9ES Rig Number: Date q.~NipT·1 Phasß 12/ 19/2004 02:00 - 02:30 0.50 DRILL N DPRBlpROD1 I well, well flow 16 bbls in 10 min, 13% flow dropping to 5% flow, I clabberred mud in annulus and on drillpipe side, rout returns to I waste tank. 02:30 - 03:00 0.50 DRILL N DPRB ! PROD1 I ~irc well at 75 gpm to eliminate influx, 730 psi, 20 rpm, recip I I ¡pipe. I 03:00 - 04:00 1.00 DRILL N DPRB I PROD1 I No trucks to haul waste, shut in well, SIDPP :: 180 psi, SICP :: I 1230 psi, wait on trucks (Phase II weather). 04:00 - 06:30 2.50 DRILL N DPRB I PROD1 Circ thru open choke, 80 gpm, 607 psi, at BU - 29 bblloss, at ! i SS - 415 psi, 30 bbls lost w/circ. 06:30 - 16:00 9.50 DRILL N DPRB I PROD1 I Open well & Monitor while prep flnew mud system, gain 37 bbls ! I mud f/hole, Gain I loss rate slowed to 1 - 2 BPH. I 16:00 - 23:00 7.00 DRILL N DPRB I PROD1 I Displace well to new 9.5+ ppg solids free FloPro, 80 gpm, 420 I I psi, 40 rprn, monitor loss rate (lost 15 bbls down hole after new I mud "closed" into pits - managed loss rate wllow displacement I rate), new mud back 50 bbls late, circulated around SS x2+ to I get system evened out and to circulate the well clean I i (significant amount of FAP on shakers from new mud ! i I break-thru f/full circulation). 23:00 - 00:00 1.00 DRILL N DPRB iPROD1 i Shut down pumps & monitor well, gained 26 bbls in first hour (1 ! PROD1 I bpm initially down to .1 bpm at end of 1 112 hr flow-check). 12/20/2004 00:00 - 00:30 0.50 DRILL N DPRB ¡ Con't to monitor well flow, down to .1 bpm at end of 1 1/2 hr I I flow-check period (total gain 27 bbls). 00:30 - 03:00 2.50 DRILL N DPRB i PROD1 POOH 18 stds to PU storm packer, pull 15'/min, swab 24 bbls I, I w/pulling pipe (no displacement:: 11 bbls), initially swabbed 12-3 bbls/std, final 4 stds very little swab «1 bbl/std - some drop on back-side at times). Total gain of 63 bbls while flow back & , POH for 'Storm' packer. 03:00 - 04:30 1.50 DRILL P PROD1 Hang DP on storm packer at 362', 160k up, 135k dn, test above packer to 1000 psi - OK. 04:30 - 08:30 4.00 DRILL P PROD1 Test BOP's, 250 psi low, 3500 psi high, and all related equipment as per SOP & AOGCC, witness waived by J. Spalding. 08:30 - 09:30 1.00 DRILL P PROD1 Cut & slip drlg line. 09:30 - 11 :30 2.00 DRILL P PROD1 Retrieve storm packer f/362'. Well static. 11 :30 - 12:00 0.50 DRILL N DPRB PROD1 RIH to 8284' 12:00 - 12:30 0.50 DRILL N DPRB PROD1 Monitor well. 12:30 - 16:00 3.50 DRILL N DPRB PROD1 CBU @80 gpm, 460 psi, 50 rpm, gas & crude at BU, circ until hole is "clean". 16:00 - 17:30 1.50 DRILL N DPRB PROD1 Monitor & back-flow well (gain 24 bbls). Gain rate slowed to 4 BPH after 80 mins. 17:30 - 22:30 5.00 DRILL N DPRB PROD1 POOH at 6 minlstd swabbing f/8284' V6900' then starting to take fluid, by top of trip (@5000') hole had not taken correct fill by 6 bbls. Net gain of 27 bbls. 22:30 - 00:00 1.50 DRILL N DPRB PROD1 Monitor well f/5 min (1.1 bblloss), CBU @80 gpm, 360 psi, 20 rpm,lost 35 bbls of the first 50 pumped then lost 2 bbls on the remaining au volume of 102 bbls). Trace of gas at btms up. Net loss of 37 bbls. 12/21/2004 00:00 - 01 :00 1.00 DRILL N DPRB PROD1 Close back-side & bull-head 14 bbls HVP @ 4 BPM, 815 psi. Max casing pressure 245 psi. 01 :00 - 02:00 1.00 DRILL N DPRB PROD1 Shut in well & monitor casing pressures, Initial SICP 145 psi, Final SICP 122 psi 02:00 - 03:30 1.50 DRILL N DPRB PROD1 Monitor & back-flow well, flow-back 23.5 bbls in first hour, 2.3 bbls in next .5 hours «5 bph flow rate). Net gain 26 bbls. Printed: 1/4/2005 9:55:48 AM Summary Report Con't POOH f/4974' t! 2500',6 minlstand, monitor gain/loss. 15 Bbl gain after pulling 1100', Hole took 2 Bbls short of displacement the rest of the out to 2500'. Circulate at 80 GPM - 285 PSI. Loss of 23 Bbls. Pump 20 Bbls HVP, Chase with 4 Bbls mud to place at bit. Close pipe rams, Inject total 53 Bbls 9.5 ppg at 4 BPM, IDPP 703 PSI. ICP 120 PSI. FDPP 910 PSI. FCP 450 PSI. Shut down pump, Monitor pressures, SIDPP 417 PSI, SICP 385 PSI. After 1,5 Hrs SIDPP 280, SICP 240 PSI. Bleed pressure to 0 PSI, Open rams, Monitor well, Flow back 50 Bbls, Flow slowed to 4-6 BPH. POH from 2500' to 1067' at 6 min per stand. Recording swab Bbls and pipe displacement. Gain 11 Bbls. CBU x2 at 80 GPM - 250 PSI. Shut in well, Start bullheading down the backside at 4 BPM. Pressure reached 890 PSI with 245 Bbls away. Monitor well, Initial SIDPP 880 PSI - SICP 900 PSI. Monitor pressures, Final SIDPP 525 PSI - SICP 512 PSI. Bullhead 55 Bbls down the backside at 4 BPM. Pressure reached 895 PSI. Monitor well, Initail SIDPP 880 PSI - SICP 900 PSI. Monitor pressures, Final SIDPP 415 PSI- SICP 384 PSI. Bleed off pressure, Open well, Recording PVT, Flow % and CSG press every 5 minutes. Monitor well until flow is 10 BPH or less before pulling out of hole and laying down BHA. Monitor well, Taking returns through kill line, Flow rate 24%, 240 BPH. Flow rate dropped to 10%, (78 BPH) after 15 mins flow back. Flow rate down to 12 BPH with 142 Bbls back to surface, Open well and continue to flow back. Flow rate started increasing with 165 Bbls back to surface. Had Gas coming back in mud system. Close well, start taking returns through open choke and gas buster. Flow rate increased to 156 BPH with 295 Bbls back to surface. (Got back all of the mud that was bullheaded into wellbore) Close choke, Monitor pressures, SICP 90 PSI - SIDPP 20 PSI. Casing pressure increased from 90 PSI to 318 PSI in 45 minutes. MU top drive and circulate. Circ thru choke, 123 GPM, 335 psi. Bleed down every bottoms up in 15 min intervals. Stage in hole from 1067' to 2280', Circulating BU every 2 - 3 stands. Gas to surface. Continue staging in hole from 2280' to 7775', Circulating 1st BU through 1/2 open choke to control gas (getting back crude on 1st BU each time) every 10 - 20 stands. Circulate 2nd BU after mud cleans up with full open choke. Flow is slowing down after each circulation. Dumped total of 267 bbls oil - wt under 7.6 ppg DPRB PROD1 TIH from 7775' to 10298' without circulating, Circulate 1st BU through 1/4 open choke getting back crude and gas cut mud 7.6 ppg. (Dumping contaminated mud and adding new 9.5 ppg to system). Circulate 2nd BU through full open choke until mud cleans up. Total dump 100 bbls Legal Well Name: Common Well Name: Event Name: Contractor Name: Rig Name: Date L-02 L-02 DRILL+COMPLETE NABORS ALASKA DRILLING I NABORS 9ES 12/21/2004 1.00 DRILL N DPRB PROD1 0.50 DRILL N DPRB PROD1 09:00 - 10:30 1.50 DRILL N DPRB PROD1 10:30 - 12:00 1.50 DRILL N DPRB PROD1 12:00 - 14:00 2.00 DRILL N DPRB PROD1 14:00 - 15:00 1.00 DRILL N DPRB PROD1 15:00 - 16:30 1.50 DRILL N DPRB PROD1 16:30 - 18:30 2.00 DRILL N DPRB PROD1 18:30 - 19:00 0.50 DRILL N DPRB PROD1 19:00 - 22:30 3.50 DRILL N DPRB PROD1 22:30 - 00:00 1.50 DRILL N DPRB PROD1 12/22/2004 00:00 - 01 :30 1.50 DRILL N DPRB PROD1 01 :30 - 03:00 1.50 DRILL N DPRB PROD1 03:00 - 05:00 2.00 DRILL N DPRB PROD1 05:00 - 06:30 1.50 DRILL N DPRB PROD1 06:30 - 12:00 5.50 DRILL N DPRB PROD1 12:00 - 00:00 12.00 DRILL N DPRB PROD1 12/23/2004 00:00 - 03:00 3.00 DRILL N Start: Rig Release: Rig Number: Spud Date: 11/21/2004 End: 9/21/2004 1/1/2005 Printed: 1/4/2005 9:55:48 AM Legal Well Name: L-02 Common Well Name: L-02 Spud Date: 11/21/2004 Event Name: DRILL+COMPLETE Start: 9/21/2004 End: Contractor Name: NABORS ALASKA DRILLING I Rig Release: 1/1/2005 Rig Name: NABORS 9ES Rig Number: From - To 12/23/2004 03:00 - 06:30 3.50 DRILL N DPRB PROD1 TIH from 10298' to 10650', Tight hole, MU top drive, Pump I GPM 185 - 1950 PSI, RPM 60. Continue in hole with several tight spots and high torque to 11330'. Influx of gas con'ts with 3.501 DRILL pumps down. 06:30 - 10:00 N DPRB PROD1 wash down from 11330' to 11604', Increase in flow from 14%- 21%, Circulate BU. 10:00 - 12:00 2.00 DRILL N DPRB PROD1 Continue washing down from 11604' to 11926', Unable to make progress. Attempt to orient into hole - unsuccessful. Up wt 235k - Dn wt 135k, Slide attempting to find hole to 11,938'. Losses to formation +/- 20 BPH. Influx of gas with pumps down. 12:00 - 00:00 12.00 DRILL N DPRB PROD1 Slide from 11938' to 12000'. GPM 242 - 1600 PSI, WOB 10- 12k, Torq 8 - 10k, Up wt 215k - Dn wt 134k - Rt wt 169k. Tolal mud losses 459 Bbls. Influx of gas con'ts with pumps down. AST: 6.04 hrs 12/24/2004 00:00 - 00:00 24.00 DRILL N DPRB PROD1 Drill & Slide from 12000' to 12663', GPM 244 - 1620 PSI, WOB 10 - 12k. Torq 8 - 9k. Up wt 235k - Dn wt 134k, Rt wt 169k. Influx of gas con'ts with pumps down. Total losses 407 bbls (18 - 20 BPH). AST:5.56 hrs ART:10.76 hrs NOTE: MM orientation 90 degrees out. Adjust TF to allow for steering. 12/25/2004 00:00 - 20:00 20.00 DRILL N DPRB PROD1 Drill & Slide from 12663' to 13153' (TVD 8921'). Gpm 242- 2120 Psi, WOB 8 - 10k, Torq 7 - 8k, Up wt 225k - Dn wt 134k- Rt wt 168k.( Well flowing back on connections 8 - 9%) NOTE: MM orientation 90 degrees out. Adjust TF to allow for steering. 20:00 - 22:00 2.00 DRILL N DPRB PROD1 CBU x2 GPM 220 - 1782 PSI, RPM 60, Reciprocating pipe. (18 bbls lost during 1 st BU). Reduce pump rate on 2nd BU to GPM 120 - 745 PSI, No gas to surface during circulating. Losses stabilized. 22:00 - 00:00 2.00 DRILL N DPRB PROD1 Shut down pumps, Monitor well for flow back. Begining flow rate 8%,135 BPH. After 1 hour gain of 34 bbls, flow rate slowed down to 6 BPH. Total losses for the day 376 bbls. 12/26/2004 00:00 - 03:30 3.50 DRILL N DPRB PROD1 CBU at a reduced rate to check for influx in well. Pump at 70 gpm 520 psi. Had gas back to surface at 4000 stks, flow increased from 6% to 8%. Max gas cut mud 9.1 ppg. Shut down pumps and let well flow back until less than 6 BPH. Flowed well back for 30 minutes, 16 bbls gain in pits. Flow rate slowed down to 2.4 BPH. 03:00 - 05:30 2.50 DRILL N DPRB PROD1 POH to 11,791', Well swabbibg 2 bbls per stand on first 4 stds, then dropped to 1 bbl per stand, last 2 stds fluid level dropping 2". Net gain of 23 bbls in 14 stds. Hole in good shape. 05:30 - 06:00 0.50 DRILL N DPRB PROD1 RIH from 11,791 ft. to 11,938 ft., Attempt to orient back into side track with no success. 06:00 - 10:00 4.00 DRILL N DPRB PROD1 Washing & Reaming from 11,938 ft. to 13,193 ft. in old hole section at 222 gpm - 1450 psi, 50 rpm, Rt Torq 6 -7k. 10:00 - 12:00 2.00 DRILL N DPRB PROD1 Circulate and condition old hole with 9.5+ ppg mud at 222 gpm - 1450 psi, 50 rpm, Rt Torq 6 - 7k. Gas to surface at 1750 stks, Max cut mud 8.9 ppg. 12:00 - 18:30 6.50 DRILL N DPRB PROD1 Reduce pump rate to 70 gpm - 608 psi, 40 rpm. Monitoring Printed: 1/412005 9:55:48 AM Legal Well Name: Common Well Name: Event Name: Contractor Name: Rig Name: L-02 L-02 DRILL+COMPLETE NABORS ALASKA DRILLING I NABORS 9ES Start: Rig Release: Rig Number: 9/21/2004 1/1/2005 Spud Date: 11/21/2004 End: om - To Hours 12/26/2004 12:00 - 18:30 6.50 ¡DRILL N DPRB PROD1 returns and record same. Gain 22 bbls in 1 hour obsevation. Start back circulating while waiting on weather (Phase 3). 18:30 - 19:30 1.00 DRILL N DPRB PROD1 Shut down pumps, Monitor well flow back and record same. Gain 24 bbls back. Flow slowed to under 6 BPH. 19:30 - 22:00 2.50 DRILL N DPRB PROD1 TOH from 13,193 ft to 10,671 ft. well swabing 2 bbls per stand on first 10 stand and dropped to 1 bbl per stand. Well started taking fluid with 15 stands out of the hole. Had several tight spot, work thru same. Pu wt 219k - Dn wt 145k, 22:00 - 00:00 2.00 DRILL N DPRB PROD1 Circulate while bringing mud wt up from 9.5 ppg to 9.9 ppg. Total losses to well for the day 237 bbls. 12/27/2004 00:00 - 03:00 3.00 DRILL N DPRB PROD1 Continue to circulate and condition mud to 9.9 ppg at 80 gpm - 692 psi while rotating and reciprocating pipe. Losses to well while circulating 24 BPH . Total losses 140 bbls. 03:00 - 03:30 0.50 DRILL N DPRB PROD1 Shut down pumps and let well flow back until less than 6 BPH. Well flowing at 24 BPH slowed down to 4 BPH in 30 minutes. I: Total fluid back to surface 18 bbls, 03:30 - 09:30 6.00 DRILL DPRB PROD1 POH with drilling assembly. Well swabbed for 10 stds. Net gain 17 bbls. Well starting to take fluid. Continue POH to 4000'. 09:30 - 10:00 0.50 DRILL DPRB PROD1 Monitor well at HWDP, Well taking 16 BPH. 10:00 - 12:30 2.50 DRILL N DPRB PROD1 POH from 4000' to 1000' 12:30 - 13:00 0.50 DRILL N DPRB PROD1 Monitor well at 1000' for 30 minutes. Losses 10 BPH. 13:00 - 14:30 1.50 DRILL P PROD1 Continue POH, LD BHA #3. 14:30 - 15:00 0.50 DRILL P PROD1 Clean and Clear rig floor. 15:00 - 15:30 CASE P RUNPRD RU to run 4.5" L-80 12.6# Hydril 533 Liner. 15:30 - 16:00 0.50 CASE P RUNPRD PJSM, PU MU Float equipment and Baker landing collar, Check floats. Run 4.5" liner as per running order. 16:00 - 21 :00 5.00 CASE P RUNPRD PU MU 116 jts 4.5" L-80 12.6# Hydril 533 Liner. Torq each joint to 4400 ft/lb, filing each joint with fill up line. Total 118 jts ran - 3720.17 ft 21 :00 - 21 :30 0.50 CASE P RUNPRD PU MU Baker 7" x 5" "HMC" Hydraulic liner hanger and "ZXP" packer, Fill packer top with Pal Mix. Up wt 75k - Dn wt 75k. 21 :30 - 22:00 0.50 CASE P RUNPRD MU one of 4" HWDP, establish circulation and circulate 1.5 liner volume. 22:00 - 00:00 2.00 CASE P RUNPRD RIH with liner on drill pipe at 5500', filling pipe every 10 stands. Hole taking 12 BPH. Total losses for the day 200 bbls. 12/28/2004 00:00 - 04:00 4.00 CASE P RUNPRD Continue running 4.5" L -80 12,6# Hydril 533 Liner to 10288'. filling pipe every 10 stands. Hole taking 12 BPH. 04:00 - 04:30 0.50 CASE P RUNPRD Circulate at 10288', While making up plug dropping head. Up wt 175k Dn wt 135k. 15 RPM, 4k Torque 04:30 - 09:00 4.50 CASE P RUNPRD Continue running 4.5" L-80 12.6# Hydri 533 Liner, tagged stringer @ 11,065 ft MU top drive rotate & wash (Slow) from 11,065 ft to 11,083 ft. 09:00 - 10:30 1.50 CASE P RUNPRD Continue RIH with 4.5" liner on drill pipe from 11,083 ft. to 13,193 ft. Up wt 210k - Dn wt 140k, 10:30 - 12:00 1.50 CASE P RUNPRD MU plug dropping head, Circulate and condition hole staging up to 5 BPM - 720 psi. 12% returns. 12:00 - 14:00 2.00 CASE P RUNPRD Held PJSM with crews on cement job. Batch mix 95 bbls cement 15.8 ppg while circulating hole clean. Pump 5 bbls CW 100, Test lines to 4500 psi, Pump 20 bbls CW 100 at 5 BPM, Pump 45 bbls mudpush 10.6 ppg at 5 BPM, Pump 91 bbls Class G Cement 15.8 ppg 1.17 ft3/sk at 5 BPM 1420 psi with 11% returns while pumping. Wash Printed: 1/412005 9:55:48 AM BPEX Operations Legal Well Name: Common Well Name: Event Name: Contractor Name: Rig Name: L-02 L-02 DRILL+COMPLETE NABORS ALASKA DRILLING I NABORS 9ES Start: 9/21/2004 Rig Release: 1/1/2005 Rig Number: Spud Date: 11/21/2004 End: 12/28/2004 12:00 - 14:00 2.00 CASE P RUNPRD cement lines to rig floor. Switch to rig pumps, Drop latching dart followed with 60 bbls 9.1 ppg - 5 BPM perf pill. Followed by 90 bbls 9.9 ppg mud. Latched wiper plug 1580 stks - 92 bbls. Bumped plug 2541 - 148 bbls with 1250 psi. Cement in place at 13:45. Set Hanger & ZXP packer (9426' PKR Top). and release from liner as per BP procedure and Baker Rep. Check floats. 14:00 - 14:30 0.50 CASE P RUNPRD CBU 10 BPM - 1815 psi. with very little cement to surface. 14:30 - 15:00 0.50 CASE P RUNPRD LD Cement Head. 15:00 - 16:00 1.00 CASE P RUNPRD Displace mud above liner top with 9.1 KCL Brine. 16:00 - 16:30 0.50 CASE P RUNPRD Monitor well, Clean pits. 16:30 - 19:30 3.00 CASE P RUNPRD Cut and slip 83' drilling line, Service Top Drive & Crown. 19:30 - 23:00 3.50 CASE P RUNPRD Pump dry job, POOH. 23:00 - 00:00 1,00 CASE P RUNPRD LD HWDP & Liner runnning tool. Rotating dog sub was sheared. 12/29/2004 00:00 - 01 :00 1 CASE P RUNPRD Test 4.5" liner to 3500 psi on chart as API for 30 minutes. 01 :00 - 04:30 3.50 CASE P RUNPRD Held PJSM with all personnel on running guns. MU RIH with 2 7/8" HSD guns (980'). PU HDFH delay firing head. 04:30 - 09:30 5.00 CASE P RUNPRD PU RIH with 2 7/8" PAC pipe (79 jts). 09:30 - 15:30 6.00 CASE P RUNPRD RIH with 4" drill pipe from derrick, Tag landing collar at 13106', PU 16' to put bottom shot on depth at 13090', Close annulur preventer pressure up to 3000 psi. Hold for 1 min, Bleed pressure, Guns fired, Initial losses 18 BPH. (9.1 ppg brine) Perforation intervals 11830' -11910' 12010' - 12220' 12300' - 12370' 12420' - 12600' 12650' - 13090' Toltal: 980' 15:30 - 16:00 0.50 CASE P RUNPRD POH to above top perf to 11826', Up wt 190k - Dn wt 140k. 16:00 - 17:00 1,00 CASE P RUNPRD CBU at 6 BPM - 2425 psi. No gas to surface. 17:00 - 19:00 2.00 CASE P RUNPRD Shut down pumps, Monitor well. Well flowing back at 12 BPH. Weight up system to 9.3 ppg at 124 gpm - 484 psi. 19:00 - 21 :00 2.00 CASE P RUNPRD Monitor well, Well flowing back at 9 BPH. CBU at 51 spm. 124 gpm . 625 psi. 21 :00 - 00:00 3.00 CASE P RUNPRD Monitor well, flowing back 4 bph. Weight up system from 9.3 ppg to 9.5 ppg at 35 spm, 85 gpm - 298 psi. 12/30/2004 00:00 - 00:30 0.50 CASE P RUNPRD Shut down pumps. Brine wt in - out of the hole 9.5 ppg. Monitor well for 30 minutes, Well static. 00:30 - 07:30 7.00 CASE P RUNPRD POH laying down 4 " drill pipe (261 joints). Monitor well, Well static. 07:30 - 12:00 4.50 CASE P RUNPRD RU equipment. POH LD 2 7/8" PAC (79 joints) 12:00 - 16:00 4.00 CASE P RUNPRD Held PJSM with crew, LD perf guns and blank pipe. (All guns fired) 16:00 - 17:30 1.50 CASE P RUNPRD Clean & Clear rig floor. 17:30 - 18:00 0.50 CASE P RUNPRD Service Top Drive & Crown. 18:00 - 19:30 1.50 CASE P RUNPRD RIH with 43 stand of drill pipe from derrick. 19:30 - 22:00 2.50 CASE P RUNPRD POH and LD drill pipe. 22:00 - 22:30 0.50 CASE P RUNPRD Clean & Clear rig floor. 22:30 - 00:00 1.50 CASE P RUNPRD Pull wearbushing, Make dummy run with Tubing Hanger. (24 ft) 12/31/2004 00:00 - 02:30 2.50 RUNCO RUNCMP RU TBG running equipment, I-wire sheave, and spot Printed: 1/4/2005 9:55:48 AM Legal Well Name: Common Well Name: Event Name: Contractor Name: Rig Name: Page 19 Operations L-02 L-02 DRILL+COMPLETE NABORS ALASKA DRILLING I NABORS 9ES 9/21/2004 1/1/2005 Spud Date: 11/21/2004 End: Start: Rig Release: Rig Number: 12/31/2004 00:00 - 02:30 02:30 - 06:00 06:00 - 06:30 06:30 - 00:00 1/1/2005 00:00 - 03:00 03:00 - 04:00 04:00 - 06:00 06:00 - 13:30 13:30 - 16:30 16:30 - 19:00 19:00 - 22:30 22:30 - 23:00 23:00 - 00:00 Task 2.50 RUNCO 3,50 I RUNCO I 0.50 RUNCO~ 17.50 RUNCO~ I I I 3.00 II' RUNCOri 1.00 RUNCO I I , I i I I 2.00 I RUNCO~ I i 7.50 I RUNCO~ I I I I I i 3.00 I RUNC01V1 I I 2.50 RUNCO equipment for completion. RREP Stabbing board not working, Electrician is changing out the motor and checking the gear. RUNCMP Held PJSM with all personnel on running completion. RUNCMP MU Baker jewelry below S-3 PKR, Install I-wire cable on HES gauge carrier, RIH with 3 1/2" 9,2# 13Cr-80 Vam Top TBG and jewelry as per Baker & BP running detail. Clamping i-wire on each JT & GLM. Torque Turn TBG to 2900ft/lbs. (214 Jts at midnight) RUNCMP RIH with 31/2" 9.2# 13Cr-80 Vam Top TBG to 9438.45'. RUNCMP Tag WLEG in ZXP Tie back receptacle, PU & space out with WLEG 6 ft into 11.77 ft sleeve, Install pups below hanger joint, Total joints ran 287 (9016 ft) Total Clamp used 302 full & 18 half clamps. RUNCMP MU FMC 11" x 4 1/2" Tubing Hanger with cross-over below to 3 1/2" Vam Top, Install HES I-wire from gauge carrier to hanger. Land tubing hanger in tubing spool, Run in tie down pins. RUNCMP Circulate clean inhibited KCL @ 9.5 ppg into the (7" x 31/2") annulus above packer depth. Drop ball ( 1 5/16") & roller stem rod. Set pkr & test tbg to 3500 psi - 30 mins. Bleed off tbg pressure to 2000 psi, Test pkr & annulus to 3500 psi - 30 mins. Bleed off pressure, pressure up & shear DCK valve. RUNCMP Install TWC test to 1000 psi. ND riser, T-buckles & BOP's. Set back same. RUNCMP NU 11" x 41/2" Adapter flange, Test to 5000 psi, Test I - wire OK. NU 41/16" 5M Tree assy & Test to 5000 psi. RU DSM lubricator & pull TWC. RUNCMP RU lines for U-tube, RU Little Red & pump 128 bbls of diesel @ 2.5 BPM - 830 psi. and U-tube between annulus and tubing. RUNCMP RU Lubricator, Set BPV, Test to 1000 psi, RD Lubricator and Little Red. RUNCMP Install VR plugs in annulus, Secure Tree & Cellar area. 3.50 0.50 1.00 RUNCOr NOTE: Released Rig from L-02A at 23:59 Jan 1st, 2005 Printed: 1/4/2005 9:55:48 AM L-02A Survey Report Schlumberger Report Date: January 10, 2005 Survey / DLS Computation Method: Minimum Curvature / Lubinski Client: BP Exploration Alaska Vertical Section Azimuth: 284.820' Field: Prudhoe Bay Unit - WOA Vertical Section Origin: N 0.000 It, E 0.000 It Structure / Slot: L-PAD I L-02 TVD Reference Datum: Rotary Table Well: L-02 TVD Reference Elevation: 76,50 It relative to MSL Borehole: L-02A Sea Bed / Ground Level Elevation: 50,50 It relative to MSL UWVAPI#: 500292304801 Magnetic Declination: 24.655' Survey Name / Date: L -02A I December 15, 2004 Total Field Strength: 57597.289 nT Tort / AHD / DDJ / ERD ratio: 287.448' /7612.95 It /6,507/ 0,855 Magnetic Dip: 80.808' Grid Coordinate System: NAD27 Alaska State Planes, Zone 04, US Feet Declination Date: December 15, 2004 . Location LatILong: N 70,35054668, W 149,32567950 Magnetic Declination Model: BGGM 2004 Location Grid NlE YIX: N 5978248.110 ItUS, E 583054,640 ItUS North Reference: True North Grid Convergence Angle: +0.63505650' Total Corr Mag North -> True North: +24,655' Grid Scale Factor: 0.99990784 Local coordinates Referenced To: Well Head comments Measured Inclination Azimuth Sub-Sea TVD TVD Closure NS EW DLS Northing Easting Latitude Longitude Depth It Projected-Up 0,00 N 70.35054536 W 149.32567347 Cß-FYRO-SS 169,20 N 70,35054405 W 149.32566745 First MWD+/FR+MS 250,66 N 70,35054244 W 149.32566116 341.82 N 70,35053962 W 149.32565517 431.68 N 70.35053721 W 149,32564877 520.95 1.79 106.27 444.40 520.90 -6.52 6,33 7,00 -4,12 5,65 1.18 5978244,05 583060.34 N 70.35053541 W 149.32563362 612,70 0.97 103.93 536,12 612.62 -8.73 8,54 9.10 -4.71 7,78 0,90 5978243.48 583062.47 N 70.35053381 W 149.32561633 702,69 0.62 37,34 626,10 702.60 -9.68 9.66 9.90 -4.51 8.82 1.02 5978243.70 583063,50 N 70.35053436 W 149.32560793 798.97 0,55 336.21 722.38 798,88 -9.59 10,55 9,67 -3.67 8.95 0.62 5978244,54 583063,63 N 70.35053665 W 149.32560688 895.02 1.63 314.75 818.41 894,91 -8,12 12,36 8.12 -2,29 7.79 1.18 5978245,91 583062.45 N 70.35054043 W 149,32561626 989,87 2.28 310,84 913,20 989.70 -5.25 15.60 5.41 -0.11 5,40 0,70 5978248.06 583060.04 N 70,35054639 W 149..63 1087,35 2,18 306,10 1010,61 1087.11 -1.78 19.39 3.32 2.26 2.44 0.22 5978250.39 583057.05 N 70,35055284 W 149.3 70 1182.43 2,43 308.07 1105.61 1182,11 1.76 23.21 4.60 4.56 -0.61 0.28 5978252.67 583053,98 N 70,35055915 W 149.32568444 1277.81 3,12 310.44 1200.88 1277,38 5,95 27.83 8,58 7.49 -4.18 0.73 5978255.56 583050,38 N 70.35056715 W 149,32571340 1374.20 5.11 311,37 1297.02 1373,52 12,16 34,75 15.27 12,03 -9.39 2,07 5978260,04 583045.11 N 70.35057956 W 149,32575577 1470,57 6,57 315,72 1392,89 1469.39 20.73 44.55 25.00 18.82 -16.46 1,58 5978266.74 583037.97 N 70,35059809 W 149.32581316 1565.86 7,88 311.69 1487.42 1563,92 31.24 56.53 36,95 27.06 -25.15 1.47 5978274.89 583029,19 N 70,35062062 W 149.32588366 1661.15 6,91 309.55 1581.91 1658.41 42.27 68,79 49,15 35,06 -34.45 1.06 5978282,78 583019,81 N 70.35064246 W 149,32595914 1757.01 8.46 306,25 1676,91 1753.41 54.07 81.60 61.87 42.90 -44,58 1,68 5978290.51 583009.59 N 70,35066388 W 149.32604141 1854.28 8.75 307.48 1773.09 1849,59 67.56 96.16 76.33 51.63 -56.22 0.35 5978299,11 582997.85 N 70,35068774 W 149,32613592 1950,18 8.07 307,15 1867,95 1944.45 80.52 110.18 90.31 60.14 -67,38 0.71 5978307.49 582986.61 N 70,35071097 W 149.32622647 2043.64 7,99 305.22 1960,50 2037,00 92.67 123.24 103,31 67.85 -77.91 0.30 5978315.08 582975.99 N 70,35073203 W 149.32631199 2140.83 8,55 311.82 2056.68 2133,18 1 05.44 137,20 117,26 76.56 -88.81 1.13 5978323.67 582964,99 N 70.35075583 W 149.32640050 SurveyEditor Ver 3.1 RT-SP3.03-HF5,OO ßld( d031 rt-546 ) L -02\L-02\L-02A \L -02A Generated 1/20/2005 10:47 AM Page 1 of 6 Comments Latitude Longitude N 70.35078165 W 149.32648550 N 70.35080752 W 149.32657030 MWD+IFR+MS 2429,15 8.85 312.14 2341.78 2418,28 143,62 180,17 160,22 105.38 -120.68 0,23 5978352.13 582932,81 N 70,35083456 W 149,32665924 Tie-In Survey 2519.35 8,56 310.49 2430,94 2507.44 155.84 193.82 173,87 114,39 -130,94 0.42 5978361,03 582922.46 N 70.35085919 W 149.32674245 Blind (Inc only) 2632.56 12.87 323,89 2542.17 2618.67 173,23 214.77 194.62 130.06 -144,78 4,37 5978376.54 582908.44 N 70,35090199 W 149,32685487 Blind (Inc only) 2726,19 19,14 329.61 2632.13 2708,63 192.24 240,56 219,58 151,75 -158.71 6.90 5978398.07 582894.28 N 70,35096124 W 149.32696792 First MWD+IFR+MS 2819.81 22,01 333,10 2719.77 2796.27 214.81 273.45 251.10 180,64 -174.41 3.33 5978426,79 582878,25 N 70.35104016 W 149.32709542 2912.42 22.40 331.29 2805.51 2882,01 238.52 308.44 284,87 211.59 -190.74 0,85 5978457.55 582861.58 N 70.35112472 W 149,32722798 3005.16 23,18 325.14 2891.02 2967,52 264.61 344.34 320,25 242,07 -209.66 2.70 5978487.82 582842.33 N 70.35120799 W 149.32738162 3098.16 23,96 317,82 2976,28 3052.78 294.41 381 .48 357.34 271.09 -232,81 3.26 5978516,58 582818.86 N 70.35128726 W 149.32756954 3191.92 25.34 316,82 3061.50 3138.00 327,39 420,59 396.42 299.83 -259,33 1.54 5978545.02 582792.03 N 70,35136578 W 149,3.0 3285,50 26.84 317.56 3145.54 3222,04 362,14 461,74 437,55 330.02 -287.29 1,64 5978574.90 582763.74 N 70.35144826 W 149,3 ° 3378.42 29,91 319,26 3227.29 3303.79 398.90 505,89 481.70 363,07 -316,57 3.42 5978607,61 582734.10 N 70.35153853 W 149,32824954 3471,96 33.30 320.60 3306,94 3383.44 438,98 554,90 530,70 400.59 -348.10 3,70 5978644.78 582702.16 N 70,35164103 W 149,32850551 3565.46 35.57 319.40 3384.05 3460,55 482.20 607,77 583,56 441,08 -382.09 2.53 5978684.88 582667,72 N 70.35175164 W 149.32878151 3658.26 36.25 313.82 3459.24 3535,74 528.43 662.17 637.89 480,58 -419.46 3.60 5978723,97 582629,92 N 70.35185955 W 149.32908492 3751.28 36,26 308.66 3534,27 3610.77 577.66 717.16 692.41 516.81 -460,80 3.28 5978759,74 582588.19 N 70.35195853 W 149.32942051 3844,74 36.49 304.41 3609.53 3686,03 629.13 772,57 746,73 549.79 -505.31 2.71 5978792.21 582543.31 N 70.35204861 W 149.32978193 3937,85 36,70 300.50 3684.29 3760,79 682.01 828.06 800.46 579,56 -552.13 2.51 5978821.46 582496,17 N 70.35212993 W 149.33016207 4031 .40 38,18 295,89 3758,58 3835.08 737.31 884.91 854.63 606.38 -602.24 3.39 5978847,72 582445.77 N 70.35220319 W 149,33056891 4125.29 39.85 292,36 3831,54 3908.04 795,62 944,00 910.00 630.50 -656,18 2,96 5978871.24 582391.58 N 70,35226907 W 149,33100682 4219,04 39.84 290.59 3903,52 3980,02 855,28 1004,07 965,81 652.49 -712,07 1,21 5978892.60 582335.45 N 70,35232912 W 149.33146060 4310.66 40,04 290.45 3973.77 4050.27 913.81 1062.89 1020.59 673,10 -767.16 0.24 5978912,61 582280,14 N 70.35238543 W 149.33190785 4404.42 39,63 290,12 4045.77 4122.27 973.59 1122.95 1076.88 693,93 -823.49 0.49 5978932.80 582223.59 N 70.35244230 W 149,33236524 4497.03 39.48 291,74 4117.17 4193.67 1032,23 1181,92 1132.74 714.99 -878,57 1.13 5978953.25 582168.28 N 70.35249983 W 149,33281245 4590.49 39,82 292,83 4189,13 4265.63 1091,36 1241,56 1189.94 737.61 -933,75 0.83 5978975.26 582112.86 N 70.35256160 W 149.33326047 4683,50 41.57 290,04 4259.66 4336,16 1151,59 1302.19 1248.08 759.74 -990,20 2.71 5978996.76 582056.18 N 70,35262205 W 149,33371877 4776,08 41,87 289.00 4328.76 4405,26 1212.99 1363.80 1306,82 780,33 -1048.27 0,81 5979016.70 581997.89 N 70,35267826 W 149.3.4 4868.99 42,15 286.68 4397.80 4474,30 1275.08 1425.98 1365,81 799,37 -1107.45 1.70 5979035,08 581938,50 N 70.35273026 W 149.3r 7 4962.59 41,71 286.40 4467.43 4543.93 1337.59 1488.52 1425,00 817,18 -1167.41 0.51 5979052,22 581878,36 N 70.35277888 W 149.33 8 5056.51 41,50 285,88 4537,66 4614.16 1399.94 1550,89 1484.15 834,51 -1227,31 0.43 5979068.89 581818,27 N 70.35282622 W 149.33564395 5150,25 40.79 286,04 4608,25 4684,75 1461,60 1612,56 1542.84 851.47 -1286,61 0.77 5979085.19 581758.79 N 70,35287252 W 149.33612543 5244,81 40.99 286.01 4679.73 4756,23 1523.49 1674.46 1602,00 868.56 -1346.11 0,21 5979101.61 581699.12 N 70,35291917 W 149,33660849 5336.89 40.81 285.61 4749.33 4825,83 1583.77 1734.75 1659,74 884.98 -1404.11 0,35 5979117.40 581640.94 N 70.35296402 W 149,33707947 5430.99 40,75 284.79 4820.59 4897.09 1645.23 1796.21 1718,60 901,10 -1463.42 0.57 5979132,85 581581.46 N 70.35300801 W 149.33756104 5523,92 40.65 283.83 4891.04 4967,54 1705.82 1856,81 1776,54 916.08 -1522.14 0.68 5979147.18 581522.58 N 70,35304890 W 149,33803779 5617.57 40.36 284.47 4962.25 5038.75 1766.65 1917.64 1834,83 930,95 -1581.12 0.54 5979161,39 581463.45 N 70.35308948 W 149.33851669 5710,93 40.23 284.23 5033.46 5109,96 1827,02 1978.02 1892,90 945.91 -1639.62 0,22 5979175.70 581404.80 N 70,35313033 W 149,33899163 5804.73 39.84 284.41 5105.28 5181,78 1887.36 2038.35 1951,07 960,83 -1698.08 0.43 5979189,97 581346.18 N 70.35317106 W 149.33946632 5898.33 40,30 285.41 5176,90 5253.40 1947.61 2098.61 2009.43 976,34 -1756.30 0.85 5979204,83 581287,79 N 70.35321339 W 149,33993905 5996.57 40,08 286,85 5251,95 5328.45 2010.98 2162.00 2071.27 993,95 -1817,20 0.97 5979221.76 581226,71 N 70.35326146 W 149.34043352 SurveyEditor Ver 3.1 RT-SP3,03-HF5.00 Bld( do31 rt-546 ) L-02\L-02\L -02A \L -02A Generated 1/20/2005 10:47 AM Page 2 of 6 Comments Inclination Azimuth Sub-Sea TVD TVD Closure NS EW DLS Northing Easting Latitude Longitude N 70.35330835 W 149,34089196 6182,90 38,66 287,91 5396.59 5473.09 2128,34 2279.46 2186.49 1028.66 -1929.41 0.63 5979255.22 581114.13 N 70,35335620 W 149.34134463 6276,72 39.38 288.32 5469.48 5545.98 2187,31 2338.52 2244,70 1047.02 -1985.55 0.82 5979272.97 581057,80 N 70,35340634 W 149.34180048 6370,03 39.16 289.16 5541.72 5618.22 2246,23 2397.59 2303,04 1066.00 -2041.48 0,62 5979291.32 581001.67 N 70.35345813 W 149.34225463 6463,90 39.00 288.61 5614.59 5691.09 2305,26 2456.76 2361,55 1085.15 -2097.47 0.41 5979309.85 580945.47 N 70.35351042 W 149.34270927 6557.89 39.09 289,69 5687,59 5764.09 2364,29 2515,97 2420.17 1104,57 -2153.40 0.73 5979328,65 580889.34 N 70.35356343 W 149,34316341 6650.50 38,68 289,71 5759,68 5836.18 2422.22 2574,10 2477.82 1124,17 -2208,13 0.44 5979347.64 580834,39 N 70,35361693 W 149,34360785 6744,33 38,79 289.54 5832.87 5909.37 2480,72 2632.82 2536,06 1143,89 -2263.43 0.16 5979366.74 580778,88 N 70,35367075 W 149,34405690 6838,10 38.60 289.69 5906.05 5982.55 2539,14 2691.44 2594.23 1163.57 -2318.65 0,23 5979385.80 580723.45 N 70.35372447 W 149.34450530 6933.10 39.69 289,14 5979.73 6056.23 2598.92 2751.41 2653.74 1183,50 -2375.21 1.20 5979405.10 580666.68 N 70.35377887 W 149.34496460 7026.59 40,16 289.41 6051 .43 6127.93 2658.74 2811.41 2713.27 1203,31 -2431,85 0.54 5979424,28 580609.83 N 70.35383293 W 149.3.0 7120.87 40.28 288.66 6123.42 6199.92 2719.45 2872.29 2773,67 1223.16 -2489.40 0,53 5979443.49 580552,07 N 70,35388712 W 149.34 181 7213.21 41.88 290.12 6193.02 6269.52 2779.93 2932,96 2833.93 1243.32 -2546.63 2,02 5979463.01 580494,63 N 70,35394213 W 149.34635651 7306.05 40.91 289,98 6262.67 6339,17 2841.06 2994,35 2894.99 1264,37 -2604,29 1,05 5979483.42 580436.74 N 70.35399957 W 149,34682480 7398.47 40,80 290,59 6332.57 6409,07 2901.25 3054,81 2955.16 1285,32 -2661,00 0.45 5979503,74 580379.81 N 70.35405678 W 149.34728529 7492,30 41.45 292.55 6403,25 6479.75 2962,52 3116,52 3016,71 1308.02 -2718.38 1.54 5979525.80 580322,18 N 70.35411871 W 149,34775126 7585.19 40.77 292.77 6473.24 6549,74 3023,03 3177.59 3077.70 1331.55 -2774.74 0,75 5979548.70 580265,57 N 70,35418294 W 149.34820895 7679.02 40,38 293.09 6544.51 6621,01 3083.45 3238,62 3138.66 1355,32 -2830,95 0.47 5979571.85 580209.11 N 70,35424784 W 149.34866541 7771.04 39,76 293,00 6614,93 6691.43 3142.07 3297.86 3197.84 1378,51 -2885.46 0.68 5979594.43 580154.35 N 70.35431113 W 149.34910806 7865.19 38.94 292.83 6687,73 6764.23 3201.17 3357,55 3257.47 1401.75 -2940.45 0.88 5979617,06 580099.12 N 70.35437457 W 149.34955458 7958.23 38.03 293.68 6760,56 6837.06 3258.45 3415.45 3315,33 1424.61 -2993.64 1.13 5979639,32 580045.68 N 70.35443695 W 149.34998658 8051.66 37.26 291,56 6834.54 6911,04 3314.97 3472.51 3372.32 1446,56 -3046.30 1.61 5979660.69 579992.78 N 70.35449687 W 149,35041426 8144.65 36.91 286.97 6908,74 6985.24 3370.84 3528,56 3428.04 1465,06 -3099,20 3.00 5979678,60 579939.68 N 70,35454734 W 149,35084383 8237,50 37.26 282.72 6982.82 7059.32 3426,80 3584.54 3483,08 1479,39 -3153.30 2.79 5979692,32 579885.44 N 70.35458643 W 149,35128310 8331 .45 38.11 279.23 7057.18 7133,68 3484,08 3641.96 3538,78 1490.30 -3209.66 2.44 5979702.61 579828,96 N 70.35461618 W 149.35174081 8425.18 38,56 275,67 7130.71 7207,21 3541.72 3700.08 3594.25 1497,83 -3267.29 2.40 5979709,50 579771.26 N 70,35463667 W 149,35220874 8519.40 38.39 274.13 7204.48 7280.98 3599.46 3758.70 3649.49 1502.84 -3325.69 1.03 5979713.86 579712,81 N 70.35465028 W 149.35268297 8611.95 38,14 272,11 7277.14 7353,64 3655.58 3816.02 3702.98 1505.96 -3382.92 1,38 5979716.35 579655.56 N 70.35465874 W 149.3.2 8705.12 37,74 269,59 7350,63 7427,13 3711.16 3873,29 3755.71 1506.82 -3440,18 1,72 5979716.57 579598.29 N 70.35466101 W 149.3 2 8797.54 36.86 269.77 7424.14 7500.64 3765,22 3929.30 3806,95 1506.50 -3496.19 0.96 5979715,63 579542.30 N 70,35466008 W 149.3 35 8892,57 36.10 269.59 7500.55 7577.05 3819.76 3985.80 3858,78 1506.19 -3552,69 0,81 5979714.69 579485.82 N 70.35465915 W 149.35452609 8985.01 35.47 269,82 7575,54 7652.04 3871,94 4039,85 3908.49 1505,91 -3606.74 0.70 5979713,81 579431.77 N 70,35465832 W 149,35496498 9078,23 35.18 268.72 7651,60 7728.10 3923.87 4093.75 3958,02 1505.22 -3660.63 0.75 5979712.53 579377.90 N 70,35465637 W 149.35540259 9170.65 36,75 269,41 7726.40 7802,90 3976.11 4148.03 4007.93 1504,34 -3714,90 1,75 5979711.05 579323.65 N 70.35465390 W 149.35584322 9264.88 37,09 270,55 7801,74 7878,24 4030.82 4204,63 4060.45 1504,33 -3771.50 0.81 5979710.40 579267.05 N 70.35465377 W 149.35630280 9358,52 36.97 270.87 7876.49 7952.99 4085,51 4261.02 4113,13 1505.03 -3827,89 0,24 5979710.48 579210.67 N 70.35465560 W 149.35676066 9452.90 37.41 272.83 7951,68 8028,18 4141,10 4318,07 4166.91 1506,87 -3884,90 1.34 5979711,69 579153.64 N 70.35466057 W 149,35722360 9547.24 36.00 272.64 8027,31 8103,81 4196.24 4374.45 4220.43 1509,56 -3941.22 1.50 5979713,76 579097.30 N 70.35466784 W 149,35768091 9640.27 34.73 272.74 8103,17 8179,67 4248,88 4428.29 4271,59 1512.09 -3995.01 1.37 5979715,69 579043.50 N 70.35467466 W 149.35811763 9733,30 33,81 272.72 8180.05 8256.55 4300.10 4480.68 4321.44 1514.59 -4047.33 0,99 5979717.60 578991,15 N 70,35468140 W 149.35854250 9825,59 33,16 272,37 8257.03 8333,53 4349.85 4531,60 4369.90 1516.85 -4098,20 0.73 5979719.30 578940.27 N 70.35468751 W 149.35895553 SurveyEditor Ver 3.1 RT -SP3.03-HF5.00 Bld( do31 rt-546 ) L -02IL-02IL -02A IL -02A Generated 1/20/2005 10:47 AM Page 3 of 6 Comments Latitude Longitude 9919.23 32,87 271,86 8335.55 8412.05 4399.63 4582.62 4418.40 1518.73 -4149,19 0.43 5979720.62 578889.27 N 70.35469258 W 149.35936953 10012.40 33,07 271.95 8413,71 8490.21 4449,05 4633,32 4466,60 1520.42 -4199.86 0.22 5979721,75 578838.58 N 70,35469711 W 149.35978100 10106.88 34.05 272.29 8492.44 8568,94 4500.00 4685.55 4516,36 1522,35 -4252.05 1.06 5979723.10 578786.38 N 70.35470231 W 149.36020479 10199,74 34,95 273.24 8568.97 8645.47 4551 .43 4738.14 4566,70 1524.89 -4304,59 1,13 5979725.06 578733.82 N 70.35470917 W 149,36063136 10215,81 35.33 274,05 8582,11 8658.61 4560.51 4747,39 4575.60 1525.48 -4313.82 3.74 5979725,55 578724.59 N 70,35471077 W 149,36070631 10308.96 36,92 274,92 8657.35 8733.85 4614.53 4802.31 4628,67 1529.78 -4368,56 1,79 5979729.24 578669.80 N 70.35472243 W 149,36115084 10340,26 40.65 273.40 8681,74 8758,24 4633.79 4821,91 4647.59 1531,19 -4388.11 12.30 5979730.44 578650.24 N 70,35472626 W 149,36130959 10371.29 44,14 273.83 8704,66 8781,16 4654.31 4842.83 4667,74 1532.52 -4408,99 11,29 5979731.53 578629.35 N 70.35472983 W 149.36147911 10402,70 47.20 274.40 8726.60 8803.10 4676.39 4865,29 4689.44 1534.13 -4431 .40 9.83 5979732.89 578606,93 N 70,35473421 W 149.36166106 10433.63 50.56 273.41 8746.94 8823.44 4699,26 4888,59 4711.92 1535,71 -4454,64 11.13 5979734.22 578583.67 N 70.35473849 W 149.36184979 10463,96 54.04 271.93 8765.49 8841.99 4722.72 4912,58 4734.95 1536.82 -4478.61 12.11 5979735,06 578559.70 N 70,35474149 W 149.3.40 10494.98 57,11 272.45 8783.02 8859,52 4747.68 4938.17 4759.45 1537.80 -4504,17 9,99 5979735.76 578534.13 N 70.35474412 W 149,36225200 10525,52 58.28 271.44 8799,34 8875.84 4772,84 4963,98 4784.16 1538.68 -4529.97 4.74 5979736,34 578508,32 N 70,35474647 W 149,36246146 10557.40 60,12 270.35 8815,67 8892,17 4799.42 4991.36 4810.22 1539,10 -4557.35 6.48 5979736.47 578480.94 N 70.35474758 W 149.36268377 10588,28 63,94 270,71 8830.15 8906.65 4825.84 5018,63 4836,15 1539.36 -4584.61 12.41 5979736.42 578453,68 N 70.35474823 W 149.36290517 10620.46 67,95 270,39 8843.26 8919.76 4854.32 5048.01 4864,09 1539.64 -4613.99 12.49 5979736.37 578424,30 N 70.35474895 W 149,36314371 10650,60 72.19 271.45 8853,53 8930.03 4881,82 5076,34 4891.11 1540,10 -4642.32 14.45 5979736.52 578395.98 N 70,35475015 W 149.36337369 10681.24 75,10 271.84 8862.16 8938,66 4910.44 5105.74 4919,28 1540.94 -4671,70 9.58 5979737.04 578366.59 N 70.35475241 W 149.36361230 10712.35 76.83 271.54 8869.70 8946.20 4939.83 5135,92 4948.21 1541,83 -4701.87 5,64 5979737,59 578336.42 N 70,35475479 W 149,36385724 10743.68 81,33 271.94 8875,64 8952.14 4969.79 5166.67 4977.72 1542,76 -4732,61 14.42 5979738.19 578305.67 N 70.35475729 W 149.36410685 10774.80 82.93 276.43 8879,90 8956.40 5000,08 5197,50 5007.65 1545,02 -4763,34 15.19 5979740.10 578274,91 N 70,35476339 W 149.36435643 10806.86 85.48 278.13 8883.14 8959,64 5031. 69 5229.39 5038,99 1549.06 -4794,98 9,54 5979743.79 578243.24 N 70.35477438 W 149,36461332 10837,78 88.60 279,37 8884,73 8961.23 5062,39 5260,26 5069.47 1553,76 -4825.49 10.86 5979748.15 578212,68 N 70,35478716 W 149,36486112 10869.12 89,67 282,15 8885.21 8961.71 5093.65 5291.60 5100,57 1559.61 -4856,28 9,50 5979753.65 578181,84 N 70.35480308 W 149,36511109 10899.83 90.32 281.88 8885,21 8961.71 5124.32 5322.31 5131.12 1566,00 -4886,31 2.29 5979759,71 578151.73 N 70,35482049 W 149.36535501 10930,35 89.12 281.90 8885,36 8961.86 5154,80 5352,83 5161.48 1572,29 -4916.18 3.93 5979765,67 578121.80 N 70.35483762 W 149.36559753 10961.91 88,95 280.44 8885.89 8962.39 5186.29 5384.39 5192,83 1578.40 -4947,13 4,66 5979771.44 578090.78 N 70.35485426 W 149,36584893 10992,51 89.46 280.35 8886,31 8962.81 5216,80 5414.98 5223.18 1583.92 -4977.23 1.69 5979776,62 578060.63 N 70.35486929 W 149.3.2 11023.88 88,67 279,74 8886.83 8963,33 5248.05 5446.35 5254,27 1589.39 -5008.11 3.18 5979781.75 578029.69 N 70.35488418 W 149,3 3 11054.89 89,22 280.39 8887.40 8963.90 5278,95 5477,35 5285.01 1594,81 -5038,64 2.75 5979786.83 577999.11 N 70.35489893 W 149.36 203 11086,09 87.51 280.23 8888.29 8964.79 5310,04 5508,54 5315.95 1600.39 -5069.32 5.50 5979792,07 577968.37 N 70.35491412 W 149.36684120 11117.69 86,61 280.51 8889.91 8966,41 5341.50 5540.10 5347,26 1606.07 -5100.37 2,98 5979797.41 577937,27 N 70,35492958 W 149,36709329 11149,35 87.34 279.46 8891,58 8968.08 5373,01 5571.71 5378.61 1611.55 -5131.50 4.04 5979802.54 577906.08 N 70.35494450 W 149.36734613 11179.76 88,81 280,76 8892.60 8969,10 5403.30 5602.10 5408,75 1616.89 -5161.42 6.45 5979807,54 577876,10 N 70,35495902 W 149.36758910 11210,70 88.95 279.37 8893,21 8969.71 5434,12 5633,04 5439.43 1622.29 -5191.88 4.51 5979812.61 577845.59 N 70.35497373 W 149,36783644 11242.49 88,81 280.17 8893.83 8970,33 5465.78 5664.82 5470,94 1627.69 -5223,20 2.55 5979817.66 577814.21 N 70.35498840 W 149.36809081 11273.73 88.60 281.18 8894,53 8971,03 5496.93 5696.05 5501,97 1633.47 -5253.89 3,30 5979823.10 577783.46 N 70.35500415 W 149,36834005 11305.15 89.63 280,84 8895.02 8971.52 5528,28 5727.47 5533.19 1639.47 -5284.73 3.45 5979828,76 577752.56 N 70,35502048 W 149.36859048 11336.03 89,63 279.77 8895,22 8971,72 5559.06 5758.35 5563,85 1645.00 -5315,11 3.46 5979833.95 577722,12 N 70.35503551 W 149,36883719 11367.15 89.77 280,69 8895.38 8971.88 5590.08 5789.47 5594.74 1650,52 -5345.74 2.99 5979839,13 577691.44 N 70,35505055 W 149.36908589 SurveyEditor Ver 3.1 RT -SP3,03-HF5.00 Bld( do31 rt-546 ) L-02\L -02\L -02A \L -02A Generated 1/20/2005 10:47 AM Page 4 of 6 Comments Inclination Azimuth Sub-Sea TVO TVO Closure NS EW OLS Northing Easting Latitude Longitude N 70.35506609 W 149.36933077 N 70,35508187 W 149.36957881 N 70,35509708 W 149.36982544 N 70,35511316 W 149.37007844 N 70,35513051 W 149,37032309 11552,91 88.61 282,81 8897.17 8973,67 5775.43 5975.21 5779.49 1686.61 -5527,92 0.92 5979873.20 577508.89 N 70,35514878 W 149.37056539 11584,29 88,67 283,36 8897.92 8974.42 5806,79 6006.58 5810.79 1693.72 -5558.47 1.76 5979879.96 577478.26 N 70,35516813 W 149,37081354 11615.35 88,78 282.00 8898.61 8975.11 5837,82 6037,63 5841.76 1700.53 -5588.77 4.39 5979886.44 577447.90 N 70,35518668 W 149,37105957 11646.43 88,81 282.20 8899.26 8975.76 5868,86 6068.71 5872.72 1707,04 -5619.15 0.65 5979892.61 577417.45 N 70,35520442 W 149,37130631 11677.62 89,08 283.41 8899.84 8976.34 5900,02 6099.89 5903,83 1713,96 -5649.56 3.97 5979899.19 577386,96 N 70.35522324 W 149.37155327 11709.49 89.15 282.93 8900.33 8976.83 5931.88 6131.76 5935,63 1721,22 -5680.59 1.52 5979906.10 577355,86 N 70.35524301 W 149.3.6 11740,54 90.66 282.50 8900.38 8976.88 5962.90 6162.81 5966,59 1728,05 -5710.87 5,06 5979912,60 577325,50 N 70.35526161 W 149.3 3 11771,38 93.17 282,97 8899.35 8975.85 5993.70 6193.63 5997,34 1734,84 -5740,94 8,28 5979919,06 577295.37 N 70.35528011 W 149.37229537 11802.05 92.58 282.49 8897,81 8974,31 6024.31 6224,26 6027,89 1741.59 -5770.81 2.48 5979925.48 577265.42 N 70.35529849 W 149.37253803 11833.46 93.34 280.20 8896,19 8972,69 6055,62 6255.63 6059,11 1747.76 -5801,57 7,67 5979931,31 577234,61 N 70.35531528 W 149.37278778 11863.87 93.65 280.57 8894,33 8970,83 6085,89 6285,98 6089.28 1753.24 -5831.42 1,59 5979936.45 577204.69 N 70.35533016 W 149.37303024 11895.12 93,96 280.58 8892,26 8968,76 6116,98 6317,16 6120.28 1758.96 -5862,08 0,99 5979941.83 577173.98 N 70.35534573 W 149.37327917 11926.14 93,96 280.44 8890,12 8966,62 6147.84 6348,11 6151.05 1764.60 -5892,50 0.45 5979947.13 577143.50 N 70.35536109 W 149.37352626 11956.77 90,87 278.69 8888,83 8965,33 6178,31 6378,71 6181.41 1769.69 -5922,67 11,59 5979951.88 577113.27 N 70.35537491 W 149.37377129 11988.78 91,59 277.90 8888,14 8964,64 6210.10 6410.71 6213.08 1774,30 -5954,34 3,34 5979956.15 577081.56 N 70,35538746 W 149.37402847 12020,10 93,78 278.99 8886.67 8963,17 6241,19 6441,99 6244.05 1778,90 -5985.29 7.81 5979960.40 577050.57 N 70,35539994 W 149,37427975 12052,15 93.99 278.24 8884.50 8961,00 6272,98 6473.97 6275.72 1783,69 -6016.90 2.42 5979964.84 577018.91 N 70,35541296 W 149,37453651 12083,12 94.37 278,92 8882.24 8958.74 6303,69 6504.86 6306.31 1788,30 -6047.44 2.51 5979969,11 576988,32 N 70.35542548 W 149,37478453 12114,79 94.79 279,28 8879.72 8956.22 6335.10 6536.43 6337,62 1793,29 -6078.61 1.74 5979973,75 576957,10 N 70.35543905 W 149,37503768 12146.06 94.54 279,33 8877.17 8953.67 6366.12 6567.59 6368,55 1798.33 -6109.37 0,82 5979978.45 576926,29 N 70.35545275 W 149,37528744 12177.43 94.85 280.66 8874,60 8951,10 6397,27 6598.86 6399.62 1803.75 -6140,16 4,34 5979983.53 576895.44 N 70.35546750 W 149.37553749 12209.10 94,72 280.40 8871,96 8948.46 6428,74 6630.42 6431.01 1809,52 -6171.19 0.92 5979988.96 576864.36 N 70.35548319 W 149.37578948 12239.80 94,30 280.10 8869,55 8946,05 6459,25 6661,02 6461 .45 1814,97 -6201.30 1.68 5979994.07 576834.19 N 70,35549800 W 149,37603406 12270.56 94.30 279.96 8867.24 8943.74 6489,82 6691.69 6491,94 1820,31 -6231.51 0.45 5979999.08 576803.93 N 70.35551252 W 149.3.6 12301,11 94.72 278,94 8864.84 8941.34 6520.14 6722.15 6522,18 1825,31 -6261.55 3.60 5980003.74 576773.83 N 70,35552612 W 149.3 3 12332.85 95.13 278,62 8862,12 8938.62 6551.59 6753.77 6553,53 1830.14 -6292,80 1,64 5980008,22 576742,53 N 70.35553923 W 149,37677713 12365.22 95.46 279.89 8859,13 8935.63 6583.67 6786.00 6585.53 1835.32 -6324,61 4.04 5980013,05 576710,67 N 70.35555332 W 149,37703548 12395.46 95.40 281.29 8856,27 8932,77 6613.69 6816,11 6615.49 1840.85 -6354.21 4,61 5980018.26 576681.02 N 70.35556837 W 149,37727579 12426.35 93.34 282.71 8853.91 8930.41 6644.45 6846,91 6646.20 1847,26 -6384.33 8.09 5980024.32 576650.83 N 70.35558579 W 149.37752045 12456.42 92.82 285,10 8852.30 8928,80 6674.47 6876.93 6676,21 1854.47 -6413.47 8.12 5980031.22 576621.61 N 70.35560543 W 149.37775715 12487.09 92.38 290,68 8850.90 8927.40 6705.05 6907.57 6706.82 1863.88 -6442,62 18,23 5980040.30 576592.37 N 70.35563107 W 149.37799388 12517.61 91,62 294.16 8849,84 8926,34 6735.28 6938,07 6737.13 1875,51 -6470,81 11,66 5980051.62 576564.05 N 70.35566278 W 149,37822288 12549.75 91,69 297.44 8848,91 8925.41 6766.81 6970.20 6768,80 1889.49 -6499,73 10,20 5980065,27 576534.98 N 70.35570090 W 149.37845781 12580.13 91,93 301.74 8847.95 8924.45 6796.17 7000,56 6798.34 1904.48 -6526,13 14,17 5980079.97 576508.42 N 70.35574179 W 149,37867227 12611.86 91,01 302.64 8847,14 8923,64 6826.44 7032,28 6828.85 1921.38 -6552,97 4,06 5980096.57 576481.39 N 70.35578789 W 149,37889037 12643.64 91,11 301.50 8846,55 8923,05 6856,78 7064,06 6859.44 1938,25 -6579.90 3.60 5980113.14 576454.28 N 70.35583392 W 149,37910912 SurveyEditor Ver 3,1 RT-SP3,03-HF5,OO Bld( d031 rt-546) L -021L -021L -02A IL -02A Generated 1/20/2005 10:47 AM Page 5 of 6 comments Latitude Longitude N 70.35587594 W 149,37931772 N 70,35591767 W 149.37954109 N 70,35595575 W 149,37976683 N 70.35599117 W 149,37999594 12800,18 92.21 292.62 8841,84 8918.34 7009,61 7220,52 7013,17 2008,90 -6719.29 4.47 5980182,23 576314.13 N 70.35602658 W 149.38024151 12831.29 91.94 290.42 8840.72 8917.22 7040.49 7251.61 7044,14 2020.30 -6748,21 7.12 5980193.31 576285.09 N 70,35605766 W 149,38047644 12862,22 92,27 287.99 8839,58 8916,08 7071.30 7282,52 7075,02 2030.47 -6777.40 7,92 5980203.15 576255,79 N 70.35608537 W 149.38071351 12893,01 92.28 287.10 8838,36 8914.86 7102,03 7313,29 7105,78 2039.74 -6806.73 2,89 5980212,10 576226.36 N 70.35611063 W 149.38095178 12924.96 92.38 286.43 8837.06 8913.56 7133,94 7345.21 7137.71 2048.95 -6837,30 2.12 5980220.97 576195.70 N 70.35613571 W 149,38120006 12955.60 92.41 286,06 8835.78 8912.28 7164,54 7375.83 7168.32 2057.52 -6866.69 1.21 5980229.21 576166.22 N 70.35615903 W 149,38143878 12986.25 92,68 285.84 8834.42 8910,92 7195.15 7406.45 7198,94 2065,93 -6896,13 1,14 5980237.29 576136,69 N 70,35618195 W 149..91 13016.75 92.99 285,82 8832.91 8909.41 7225,61 7436.91 7229.40 2074.24 -6925.44 1.02 5980245,28 576107.29 N 70.35620457 W 149. 96 13047.85 93.07 287.26 8831.26 8907,76 7256.65 7467,96 7260.45 2083.08 -6955,21 4.63 5980253.79 576077.43 N 70.35622865 W 149,382 5777 13079.71 93.03 285.28 8829,57 8906.07 7288.46 7499.78 7292.26 2091.99 -6985.75 6,21 5980262,36 576046,79 N 70,35625292 W 149.38240583 13110,70 93,03 286.78 8827,93 8904.43 7319.40 7530,73 7323,21 2100,54 -7015.49 4.83 5980270,57 576016,96 N 70,35627619 W 149.38264741 Last MWD+IFR+MS 13141.59 92.41 285,85 8826.46 8902.96 7350,24 7561.58 7354,06 2109.21 -7045,10 3.62 5980278.91 575987.26 N 70.35629980 W 149.38288794 TO (Projected) 13193,00 92.41 285.85 8824,30 8900.80 7401.60 7612,95 7405.42 2123.24 -7094,51 0,00 5980292.39 575937.70 N 70.35633799 W 149,38328928 Survey Type: Definitive Survey NOTES: CB-GYRO-SS - ( Camera-based gyro single shots .- Traditional surface referenced gyro tool run on wireline - including "level rotor" gyros and Sperry-Sun SU3. Replaces ex-BP "PGSS" model.) MWD + IFR + MS - ( In-field referenced MWD with mult-station analysis and correction applied in post-processing. Assumes a BHA sag correction is applied to enhance inclination accuracy. ) LeQal Description: Surface: 2528 FSL 3860 FEL S34 T12N R11E UM Tie-In: 2527 FSL 3859 FEL S34 T12N R11 E UM BHL: 4648 FSL 391 FEL S32 T12N R11 E UM Northina ey) mUS] 5978248.11 5978247,64 5980292.39 Eastina eX) mus] 583054,64 583055.39 575937,70 . SurveyEditor Ver 3.1 RT-SP3,03-HF5.00 Bld( do31 rt-546 ) L -02\L -02\L -02A \L -02A Generated 1/20/2005 10:47 AM Page 6 of 6 L-02APB1 Survey Report Schlumberuer Report Date: January 10, 2005 Survey 1 DLS Computation Method: Minimum Curvature 1 Lubinski Client: BP Exploration Alaska Vertical Section Azimuth: 284,820' Field: Prudhoe Bay Unit - WOA Vertical Section Origin: N 0,000 ft. E 0.000 It Structure 1 Slot: L-PAD 1 L-02 TVD Reference Datum: Rotary Table Well: L-02 TVD Reference Elevation: 76,50 ft relative to MSL Borehole: L-02APB1 Sea Bed 1 Ground Level Elevation: 50,50 ft relative to MSL UWVAPI#: 500292304870 Magnetic Declination: 24,644' Survey Name 1 Date: L·02APB11 December 24, 2004 Total Field Strength: 57598,177 nT Torti AHD 1 DDII ERD ratio: 280,251' 17572,89 It! 6.4931 0.849 Magnetic Dip: 80,808' Grid Coordinate System: NAD27 Alaska State Planes, Zone 04, US Feet Declination Date: December 24, 2004 . Location LatILong: N 70,35054668, W 149.32567950 Magnetic Declination Model: BGGM 2004 Location Grid NlE YIX: N 5978248.110 ftUS, E 583054,640 ftUS North Reference: True North Grid Convergence Angle: +0,63505650' Total Corr Mag North -> True North: +24,644' Grid Scale Factor: 0,99990784 Local Coordinates Referenced To: Well Head comments Measured Inclination Azimuth Sub-Sea TVD TVD EW DLS Latitude Longitude Depth ft Projected-Up 0.00 N 70.35054536 W 149.32567347 CB-GYRO-SS 169,20 N 70.35054405 W 149.32566745 First MWD+IFR+MS 250.66 N 70.35054244 W 149,32566116 341.82 N 70.35053962 W 149.32565517 431.68 N 70.35053721 W 149.32564877 520,95 1,79 106.27 444.40 520.90 -6,52 6,33 7.00 -4,12 5.65 1.18 5978244.05 583060,34 N 70.35053541 W 149.32563362 612,70 0.97 103.93 536.12 612.62 -8,73 8,54 9.10 -4,71 7.78 0.90 5978243.48 583062.47 N 70.35053381 W 149.32561633 702,69 0,62 37.34 626.10 702.60 -9.68 9.66 9.90 -4,51 8.82 1.02 5978243.70 583063.50 N 70.35053436 W 149.32560793 798,97 0,55 336.21 722,38 798.88 -9.59 10.55 9.67 -3,67 8.95 0.62 5978244.54 583063,63 N 70.35053665 W 149.32560688 895,02 1.63 314.75 818.41 894.91 -8.12 12,36 8.12 -2,29 7.79 1.18 5978245.91 583062.45 N 70.35054043 W 149.32561626 989,87 2,28 310.84 913.20 989.70 -5.25 15.60 5.41 -0,11 5.40 0.70 5978248.06 583060.04 N 70.35054639 W 149..63 1087,35 2.18 306.10 1010.61 1087.11 -1.78 19.39 3.32 2,26 2.44 0.22 5978250.39 583057,05 N 70.35055284 W 149. 70 1182.43 2.43 308.Q7 1105.61 1182.11 1,76 23,21 4.60 4.56 -0.61 0.28 5978252.67 583053,98 N 70.35055915 W 149.32568444 1277.81 3.12 310.44 1200.88 1277.38 5,95 27,83 8.58 7,49 -4.18 0.73 5978255.56 583050,38 N 70.35056715 W 149.32571340 1374,20 5.11 311.37 1297.02 1373.52 12,16 34.75 15,27 12,03 -9.39 2,07 5978260.04 583045,11 N 70.35057956 W 149.32575577 1470,57 6,57 315.72 1392.89 1469.39 20,73 44,55 25.00 18,82 -16.46 1,58 5978266.74 583037,97 N 70.35059809 W 149.32581316 1565,86 7,88 311.69 1487.42 1563.92 31.24 56,53 36.95 27,06 -25.15 1.47 5978274.89 583029,19 N 70,35062062 W 149.32588366 1661,15 6,91 309.55 1581.91 1658.41 42.27 68.79 49.15 35,06 -34.45 1.06 5978282.78 583019.81 N 70.35064246 W 149.32595914 1757,01 8.46 306.25 1676,91 1753.41 54.07 81.60 61.87 42,90 -44,58 1.68 5978290.51 583009.59 N 70.35066388 W 149,32604141 1854,28 8,75 307.48 1773.09 1849.59 67.56 96,16 76.33 51,63 -56.22 0,35 5978299.11 582997,85 N 70.35068774 W 149.32613592 1950.18 8.Q7 307,15 1867.95 1944.45 80,52 110,18 90.31 60.14 -67.38 0,71 5978307.49 582986,61 N 70.35071097 W 149,32622647 2043.64 7.99 305,22 1960.50 2037,00 92.67 123,24 103,31 67.85 -77.91 0,30 5978315,08 582975,99 N 70,35073203 W 149.32631199 2140.83 8.55 311,82 2056.68 2133,18 105.44 137.20 117,26 76,56 -88.81 1,13 5978323,67 582964,99 N 70,35075583 W 149.32640050 SurveyEditor Ver 3.1 RT-SP3.03-HF5,OO Bld( d031 rt-546 ) L-02\L -02\L-02APB 1 \L -02APB1 Generated 1/20/200510:47 AM Page 1 of 6 comments Latitude Longitude N 70.35078165 W 149,32648550 N 70.35080752 W 149,32657030 MWD+IFR+MS 2429.15 8.85 312.14 2341.78 2418.28 143.62 180.17 160.22 105.38 -120.68 0.23 5978352.13 582932.81 N 70.35083456 W 149.32665924 Tie-In Survey 2519.35 8.56 310.49 2430,94 2507.44 155,84 193.82 173,87 114.39 -130.94 0.42 5978361,03 582922.46 N 70,35085919 W 149,32674245 Blind (Inc only) 2632,56 12.87 323.89 2542,17 2618.67 173,23 214.77 194,62 130,06 -144,78 4,37 5978376,54 582908.44 N 70,35090199 W 149,32685487 Blind (Inc only) 2726,19 19,14 329,61 2632,13 2708.63 192.24 240,56 219,58 151,75 -158.71 6,90 5978398,07 582894,28 N 70,35096124 W 149,32696792 First MWD+IFR+MS 2819,81 22,01 333.10 2719.77 2796,27 214.81 273,45 251,10 180,64 -174.41 3,33 5978426.79 582878.25 N 70.35104016 W 149,32709542 2912.42 22.40 331.29 2805.51 2882,01 238.52 308.44 284.87 211.59 -190.74 0.85 5978457.55 582861.58 N 70.35112472 W 149.32722798 3005.16 23,18 325.14 2891.02 2967,52 264.61 344.34 320.25 242.07 -209.66 2.70 5978487.82 582842.33 N 70.35120799 W 149.32738162 3098.16 23,96 317.82 2976.28 3052,78 294.41 381.48 357.34 271.09 -232,81 3.26 5978516.58 582818.86 N 70,35128726 W 149.32756954 3191.92 25.34 316.82 3061,50 3138,00 327.39 420.59 396.42 299.83 -259,33 1.54 5978545.02 582792.03 N 70,35136578 W 149.3.0 3285,50 26.84 317,56 3145,54 3222.04 362,14 461.74 437,55 330.02 -287,29 1.64 5978574,90 582763,74 N 70,35144826 W 149.3 0 3378.42 29,91 319.26 3227.29 3303.79 398,90 505.89 481,70 363.D7 -316.57 3.42 5978607.61 582734.10 N 70.35153853 W 149,32824954 3471,96 33,30 320.60 3306.94 3383.44 438,98 554,90 530,70 400,59 -348.10 3,70 5978644,78 582702.16 N 70.35164103 W 149.32850551 3565.46 35,57 319.40 3384.05 3460,55 482,20 607.77 583,56 441,08 -382.09 2,53 5978684.88 582667.72 N 70.35175164 W 149,32878151 3658,26 36,25 313.82 3459.24 3535,74 528.43 662,17 637,89 480,58 -419.46 3.60 5978723.97 582629.92 N 70.35185955 W 149,32908492 3751.28 36,26 308.66 3534.27 3610,77 577.66 717.16 692.41 516.81 -460.80 3.28 5978759.74 582588.19 N 70.35195853 W 149.32942051 3844.74 36.49 304.41 3609,53 3686.03 629,13 772.57 746.73 549.79 -505,31 2.71 5978792.21 582543.31 N 70.35204861 W 149.32978193 3937,85 36.70 300.50 3684,29 3760.79 682,01 828.06 800.46 579.56 -552,13 2.51 5978821.46 582496.17 N 70.35212993 W 149.33016207 4031 .40 38.18 295,89 3758,58 3835.08 737.31 884.91 854.63 606.38 -602,24 3,39 5978847,72 582445,77 N 70,35220319 W 149.33056891 4125.29 39.85 292,36 3831,54 3908.04 795,62 944,00 910,00 630.50 -656.18 2,96 5978871,24 582391,58 N 70,35226907 W 149,33100682 4219,04 39.84 290,59 3903.52 3980.02 855,28 1004,07 965,81 652.49 -712,07 1,21 5978892,60 582335.45 N 70,35232912 W 149,33146060 4310,66 40,04 290.45 3973,77 4050,27 913,81 1062,89 1020.59 673,10 -767.16 0,24 5978912,61 582280.14 N 70,35238543 W 149,33190785 4404.42 39,63 290.12 4045.77 4122,27 973,59 1122.95 1076,88 693,93 -823.49 0.49 5978932.80 582223,59 N 70,35244230 W 149,33236524 4497,03 39.48 291.74 4117.17 4193.67 1032,23 1181,92 1132.74 714,99 -878.57 1.13 5978953,25 582168.28 N 70.35249983 W 149,33281245 4590.49 39,82 292.83 4189.13 4265.63 1091,36 1241,56 1189,94 737,61 -933.75 0,83 5978975,26 582112,86 N 70.35256160 W 149,33326047 4683.50 41,57 290.04 4259.66 4336,16 1151,59 1302,19 1248.08 759,74 -990.20 2.71 5978996,76 582056.18 N 70.35262205 W 149,33371877 4776.08 41,87 289.00 4328.76 4405,26 1212,99 1363.80 1306,82 780,33 -1048.27 0.81 5979016,70 581997,89 N 70.35267826 W 149,3.4 4868,99 42.15 286.68 4397.80 4474,30 1275,08 1425,98 1365.81 799,37 -1107.45 1.70 5979035.08 581938.50 N 70.35273026 W 149.3 7 4962,59 41,71 286.40 4467.43 4543,93 1337.59 1488,52 1425.00 817,18 -1167.41 0.51 5979052.22 581878.36 N 70.35277888 W 149,33 58 5056.51 41,50 285.88 4537.66 4614,16 1399.94 1550,89 1484.15 834,51 -1227.31 0.43 5979068.89 581818.27 N 70.35282622 W 149.33564395 5150.25 40,79 286.04 4608.25 4684,75 1461.60 1612.56 1542.84 851.47 -1286,61 0.77 5979085.19 581758.79 N 70.35287252 W 149.33612543 5244.81 40,99 286.01 4679.73 4756,23 1523.49 1674.46 1602.00 868.56 -1346.11 0.21 5979101.61 581699.12 N 70.35291917 W 149.33660849 5336.89 40.81 285.61 4749.33 4825,83 1583.77 1734.75 1659.74 884.98 -1404.11 0.35 5979117 .40 581640.94 N 70.35296402 W 149.33707947 5430.99 40,75 284.79 4820.59 4897,09 1645.23 1796,21 1718.60 901,10 -1463.42 0.57 5979132.85 581581.46 N 70.35300801 W 149.33756104 5523,92 40,65 283.83 4891.04 4967,54 1705,82 1856,81 1776,54 916,08 -1522.14 0,68 5979147,18 581522,58 N 70,35304890 W 149,33803779 5617.57 40,36 284.47 4962.25 5038,75 1766.65 1917.64 1834.83 930,95 -1581.12 0.54 5979161.39 581463.45 N 70.35308948 W 149.33851669 5710.93 40.23 284,23 5033.46 5109.96 1827.02 1978.02 1892.90 945.91 -1639,62 0.22 5979175.70 581404.80 N 70.35313033 W 149.33899163 5804,73 39.84 284.41 5105,28 5181.78 1887.36 2038,35 1951,07 960.83 -1698,08 0.43 5979189,97 581346.18 N 70.35317106 W 149.33946632 5898,33 40.30 285.41 5176,90 5253.40 1947.61 2098,61 2009.43 976,34 -1756,30 0,85 5979204,83 581287,79 N 70.35321339 W 149.33993905 5996,57 40.08 286.85 5251. 95 5328.45 2010,98 2162,00 2071,27 993,95 -1817.20 0,97 5979221.76 581226.71 N 70.35326146 W 149.34043352 SurveyEditor Ver 3.1 RT-SP3,03-HF5.00 Bld( d031 rt-546 ) L -02\L -02\L -02APB1 \L -02APB1 Generated 1/20/200510:47 AM Page 2 of 6 Comments Latitude Longitude N 70,35330835 W 149,34089196 6182,90 38.66 287.91 5396.59 5473.09 2128.34 2279.46 2186.49 1028.66 -1929.41 0,63 5979255.22 581114.13 N 70,35335620 W 149,34134463 6276.72 39.38 288,32 5469.48 5545,98 2187.31 2338,52 2244,70 1047.02 -1985,55 0,82 5979272,97 581057,80 N 70,35340634 W 149.34180048 6370.03 39.16 289.16 5541.72 5618,22 2246,23 2397.59 2303,04 1066.00 -2041 .48 0.62 5979291,32 581001,67 N 70.35345813 W 149.34225463 6463.90 39,00 288.61 5614.59 5691,09 2305,26 2456.76 2361,55 1085.15 -2097.47 0.41 5979309.85 580945.47 N 70.35351042 W 149,34270927 6557.89 39,09 289.69 5687.59 5764.09 2364,29 2515.97 2420.17 1104.57 -2153.40 0.73 5979328.65 580889.34 N 70.35356343 W 149,34316341 6650,50 38,68 289,71 5759,68 5836.18 2422,22 2574,10 2477.82 1124,17 -2208.13 0.44 5979347.64 580834.39 N 70,35361693 W 149,34360785 6744,33 38.79 289.54 5832,87 5909.37 2480.72 2632.82 2536.06 1143,89 -2263.43 0,16 5979366.74 580778.88 N 70,35367075 W 149.34405690 6838,10 38.60 289,69 5906,05 5982.55 2539.14 2691 .44 2594.23 1163.57 -2318.65 0,23 5979385.80 580723.45 N 70,35372447 W 149.34450530 6933,10 39.69 289,14 5979,73 6056.23 2598.92 2751.41 2653.74 1183,50 -2375.21 1,20 5979405,10 580666.68 N 70,35377887 W 149.34496460 7026,59 40.16 289.41 6051 .43 6127.93 2658.74 2811.41 2713,27 1203,31 -2431.85 0,54 5979424,28 580609.83 N 70.35383293 W 149.3.50 7120.87 40.28 288,66 6123.42 6199,92 2719.45 2872.29 2773,67 1223.16 -2489.40 0.53 5979443.49 580552.07 N 70.35388712 W 149.34 181 7213.21 41.88 290.12 6193.02 6269,52 2779.93 2932.96 2833,93 1243.32 -2546,63 2.02 5979463,01 580494,63 N 70.35394213 W 149.34635651 7306.05 40.91 289.98 6262.67 6339,17 2841,06 2994.35 2894,99 1264.37 -2604,29 1.05 5979483.42 580436.74 N 70.35399957 W 149,34682480 7398.47 40,80 290.59 6332.57 6409,07 2901.25 3054.81 2955,16 1285,32 -2661,00 0.45 5979503.74 580379,81 N 70.35405678 W 149.34728529 7492.30 41.45 292.55 6403.25 6479.75 2962,52 3116,52 3016,71 1308.02 -2718,38 1.54 5979525.80 580322.18 N 70.35411871 W 149,34775126 7585,19 40.77 292.77 6473,24 6549.74 3023.03 3177,59 3077.70 1331,55 -2774.74 0.75 5979548.70 580265.57 N 70,35418294 W 149.34820895 7679,02 40.38 293,09 6544,51 6621.01 3083.45 3238.62 3138.66 1355.32 -2830.95 0.47 5979571,85 580209.11 N 70,35424784 W 149.34866541 7771,04 39.76 293,00 6614,93 6691.43 3142.07 3297.86 3197.84 1378.51 -2885.46 0,68 5979594.43 580154.35 N 70.35431113 W 149.34910806 7865.19 38.94 292,83 6687,73 6764.23 3201.17 3357.55 3257.47 1401,75 -2940.45 0,88 5979617,06 580099.12 N 70.35437457 W 149.34955458 7958,23 38.03 293,68 6760,56 6837,06 3258.45 3415.45 3315.33 1424.61 -2993.64 1,13 5979639,32 580045,68 N 70,35443695 W 149.34998658 8051,66 37.26 291.56 6834.54 6911,04 3314,97 3472.51 3372,32 1446.56 -3046,30 1.61 5979660,69 579992.78 N 70,35449687 W 149.35041426 8144,65 36,91 286.97 6908.74 6985,24 3370,84 3528.56 3428.04 1465.06 -3099.20 3,00 5979678,60 579939,68 N 70.35454734 W 149.35084383 8237.50 37.26 282.72 6982.82 7059,32 3426,80 3584.54 3483.08 1479.39 -3153,30 2.79 5979692,32 579885.44 N 70,35458643 W 149.35128310 8331.45 38.11 279,23 7057,18 7133.68 3484.08 3641.96 3538,78 1490,30 -3209.66 2.44 5979702.61 579828.96 N 70,35461618 W 149.35174081 8425,18 38.56 275,67 7130,71 7207,21 3541.72 3700.08 3594,25 1497,83 -3267.29 2.40 5979709.50 579771,26 N 70,35463667 W 149.35220874 8519.40 38.39 274.13 7204.48 7280.98 3599.46 3758.70 3649.49 1502,84 -3325.69 1,03 5979713.86 579712.81 N 70,35465028 W 149.35268297 8611,95 38.14 272,11 7277.14 7353,64 3655.58 3816,02 3702,98 1505,96 -3382.92 1,38 5979716.35 579655.56 N 70,35465874 W 149..62 8705,12 37.74 269,59 7350,63 7427,13 3711.16 3873,29 3755,71 1506,82 -3440.18 1,72 5979716.57 579598,29 N 70,35466101 W 149. 62 8797.54 36.86 269,77 7424,14 7500,64 3765.22 3929,30 3806.95 1506,50 -3496.19 0,96 5979715,63 579542.30 N 70,35466008 W 149.3 35 8892.57 36.10 269,59 7500,55 7577.05 3819.76 3985.80 3858.78 1506,19 -3552.69 0,81 5979714,69 579485.82 N 70,35465915 W 149.35452609 8985.01 35.47 269.82 7575,54 7652,04 3871.94 4039.85 3908.49 1505.91 -3606.74 0,70 5979713,81 579431.77 N 70,35465832 W 149.35496498 9078,23 35.18 268.72 7651,60 7728.10 3923.87 4093,75 3958.02 1505,22 -3660.63 0,75 5979712,53 579377.90 N 70,35465637 W 149.35540259 9170.65 36.75 269.41 7726,40 7802.90 3976.11 4148,03 4007.93 1504,34 -3714.90 1.75 5979711,05 579323.65 N 70,35465390 W 149.35584322 9264,88 37.09 270,55 7801,74 7878.24 4030.82 4204,63 4060.45 1504,33 -3771.50 0,81 5979710.40 579267.05 N 70,35465377 W 149,35630280 9358,52 36.97 270.87 7876.49 7952.99 4085.51 4261,02 4113.13 1505.03 -3827.89 0.24 5979710.48 579210.67 N 70.35465560. W 149.35676066 9452.90 37.41 272.83 7951.68 8028,18 4141.10 4318.07 4166,91 1506.87 -3884.90 1.34 5979711,69 579153.64 N 70,35466057 W 149.35722360 9547.24 36,00 272.64 8027,31 8103,81 4196,24 4374.45 4220.43 1509.56 -3941,22 1.50 5979713,76 579097,30 N 70,35466784 W 149.35768091 9640.27 34,73 272.74 8103.17 8179,67 4248,88 4428.29 4271,59 1512.09 -3995,01 1,37 5979715,69 579043,50 N 70,35467466 W 149.35811763 9733.30 33.81 272.72 8180.05 8256.55 4300,10 4480.68 4321.44 1514.59 -4047,33 0.99 5979717,60 578991,15 N 70,35468140 W 149.35854250 9825.59 33,16 272.37 8257.03 8333,53 4349,85 4531.60 4369,90 1516.85 -4098,20 0.73 5979719,30 578940.27 N 70.35468751 W 149.35895553 SurveyEditor Ver 3,1 RT-SP3,03-HF5.00 Bld( d031 rt-546) L -02\L -02\L -02APB1 \L -02APB 1 Generated 1/20/2005 10:47 AM Page 3 of 6 Comments Latitude Longitude 9919.23 32.87 271,86 8335.55 8412,05 4399.63 4582.62 4418.40 1518.73 -4149.19 0.43 5979720.62 578889.27 N 70,35469258 W 149,35936953 10012.40 33.07 271.95 8413,71 8490,21 4449.05 4633.32 4466.60 1520.42 -4199,86 0,22 5979721.75 578838.58 N 70,35469711 W 149.35978100 10106.88 34,05 272.29 8492,44 8568.94 4500,00 4685,55 4516.36 1522,35 -4252,05 1.06 5979723,10 578786.38 N 70.35470231 W 149,36020479 10199.74 34,95 273,24 8568.97 8645.47 4551 .43 4738,14 4566,70 1524.89 -4304.59 1.13 5979725,06 578733.82 N 70,35470917 W 149.36063136 10215.81 35.33 274,05 8582,11 8658.61 4560.51 4747.39 4575,60 1525.48 -4313.82 3,74 5979725.55 578724,59 N 70,35471077 W 149,36070631 10308.96 36,92 274.92 8657,35 8733.85 4614,53 4802,31 4628.67 1529,78 -4368.56 1.79 5979729,24 578669.80 N 70.35472243 W 149.36115084 10340.26 40,65 273.40 8681.74 8758.24 4633,79 4821,91 4647,59 1531.19 -4388.11 12.30 5979730.44 578650.24 N 70.35472626 W 149.36130959 10371.29 44.14 273,83 8704.66 8781,16 4654.31 4842,83 4667,74 1532.52 -4408.99 11.29 5979731.53 578629,35 N 70,35472983 W 149.36147911 10402.70 47.20 274.40 8726.60 8803,10 4676.39 4865.29 4689.44 1534.13 -4431 .40 9,83 5979732.89 578606,93 N 70.35473421 W 149,36166106 10433,63 50.56 273.41 8746,94 8823.44 4699.26 4888.59 4711.92 1535,71 -4454.64 11,13 5979734,22 578583,67 N 70.35473849 W 149.36184979 10463.96 54,04 271.93 8765.49 8841.99 4722,72 4912,58 4734,95 1536.82 -4478.61 12.11 5979735,06 578559.70 N 70.35474149 W 149.3.40 10494.98 57,11 272.45 8783.02 8859,52 4747.68 4938,17 4759.45 1537.80 -4504.17 9,99 5979735.76 578534.13 N 70,35474412 W 149.36225200 10525.52 58.28 271.44 8799.34 8875.84 4772.84 4963.98 4784,16 1538.68 -4529,97 4,74 5979736.34 578508,32 N 70.35474647 W 149,36246146 10557.40 60.12 270.35 8815,67 8892.17 4799.42 4991,36 4810.22 1539,10 -4557,35 6.48 5979736.47 578480.94 N 70.35474758 W 149.36268377 10588,28 63,94 270.71 8830,15 8906.65 4825,84 5018,63 4836.15 1539.36 -4584,61 12.41 5979736.42 578453.68 N 70.35474823 W 149.36290517 10620.46 67.95 270,39 8843.26 8919,76 4854.32 5048.01 4864,09 1539.64 -4613.99 12.49 5979736.37 578424.30 N 70,35474895 W 149.36314371 10650.60 72.19 271 .45 8853.53 8930,03 4881.82 5076.34 4891.11 1540.10 -4642,32 14.45 5979736,52 578395,98 N 70.35475015 W 149.36337369 10681.24 75.10 271.84 8862,16 8938.66 4910.44 5105.74 4919.28 1540,94 -4671,70 9,58 5979737.04 578366.59 N 70.35475241 W 149.36361230 10712.35 76,83 271.54 8869.70 8946.20 4939.83 5135,92 4948,21 1541,83 -4701,87 5.64 5979737,59 578336.42 N 70.35475479 W 149.36385724 10743,68 81,33 271.94 8875.64 8952,14 4969.79 5166,67 4977.72 1542.76 -4732.61 14.42 5979738,19 578305.67 N 70.35475729 W 149.36410685 10774.80 82.93 276,43 8879.90 8956.40 5000.08 5197.50 5007,65 1545.02 -4763.34 15,19 5979740.10 578274,91 N 70,35476339 W 149.36435643 10806.86 85.48 278.13 8883,14 8959.64 5031,69 5229.39 5038.99 1549,06 -4794.98 9,54 5979743.79 578243,24 N 70.35477438 W 149,36461332 10837,78 88.60 279.37 8884,73 8961.23 5062.39 5260,26 5069.47 1553,76 -4825.49 10.86 5979748.15 578212,68 N 70.35478716 W 149,36486112 10869,12 89,67 282.15 8885,21 8961.71 5093,65 5291,60 5100.57 1559,61 -4856,28 9.50 5979753,65 578181.84 N 70.35480308 W 149.36511109 10899,83 90.32 281.88 8885,21 8961.71 5124,32 5322,31 5131.12 1566,00 -4886.31 2.29 5979759,71 578151.73 N 70.35482049 W 149.36535501 10930.35 89,12 281.90 8885.36 8961.86 5154,80 5352,83 5161.48 1572.29 -4916.18 3.93 5979765,67 578121.80 N 70.35483762 W 149.36559753 10961.91 88,95 280.44 8885.89 8962,39 5186.29 5384.39 5192,83 1578.40 -4947.13 4.66 5979771.44 578090.78 N 70.35485426 W 149.36584893 10992.51 89.46 280,35 8886.31 8962.81 5216.80 5414,98 5223,18 1583.92 -4977.23 1.69 5979776.62 578060.63 N 70.35486929 W 149.3.32 11023.88 88.67 279,74 8886.83 8963,33 5248.05 5446.35 5254,27 1589.39 -5008.11 3.18 5979781.75 578029.69 N 70.35488418 W 149.3 13 11054,89 89.22 280,39 8887.40 8963,90 5278.95 5477.35 5285,01 1594,81 -5038.64 2.75 5979786.83 577999.11 N 70,35489893 W 149,36 203 11086,09 87.51 280.23 8888.29 8964.79 5310.04 5508.54 5315.95 1600,39 -5069.32 5,50 5979792.07 577968.37 N 70,35491412 W 149,36684120 11117,69 86.61 280.51 8889,91 8966.41 5341 ,50 5540,10 5347.26 1606,07 -5100,37 2,98 5979797.41 577937.27 N 70.35492958 W 149.36709329 11149,35 87.34 279.46 8891,58 8968.08 5373,01 5571,71 5378.61 1611,55 -5131,50 4.04 5979802.54 577906,08 N 70.35494450 W 149.36734613 11179,76 88,81 280.76 8892,60 8969.10 5403.30 5602,10 5408.75 1616,89 -5161.42 6.45 5979807,54 577876,10 N 70.35495902 W 149.36758910 11210,70 88,95 279.37 8893,21 8969.71 5434,12 5633,04 5439.43 1622,29 -5191.88 4.51 5979812,61 577845.59 N 70.35497373 W 149.36783644 11242.49 88,81 280.17 8893,83 8970.33 5465,78 5664,82 5470.94 1627,69 -5223,20 2.55 5979817,66 577814.21 N 70.35498840 W 149.36809081 11273.73 88.60 281,18 8894.53 8971,03 5496.93 5696.05 5501,97 1633.47 -5253.89 3.30 5979823.10 577783.46 N 70.35500415 W 149.36834005 11305.15 89.63 280.84 8895,02 8971.52 5528.28 5727.47 5533.19 1639.47 -5284.73 3.45 5979828.76 577752,56 N 70.35502048 W 149,36859048 11336,03 89,63 279.77 8895,22 8971.72 5559.06 5758.35 5563.85 1645,00 -5315,11 3.46 5979833.95 577722,12 N 70.35503551 W 149,36883719 11367,15 89,77 280.69 8895,38 8971.88 5590,08 5789.47 5594.74 1650,52 -5345,74 2,99 5979839,13 577691.44 N 70.35505055 W 149.36908589 SurveyEditor Ver 3,1 RT-SP3.03-HF5.00 Bld( d031 rt-546 ) L-02\L-02\L-02APB1 \L-02APB 1 Generated 1/20/2005 10:47 AM Page 4 of 6 Comments Latitude Longitude N 70.35506609 W 149,36933077 N 70,35508187 W 149,36957881 N 70.35509708 W 149.36982544 N 70.35511316 W 149,37007844 N 70,35513051 W 149,37032309 11552.91 88,61 282,81 8897.17 8973.67 5775.43 5975.21 5779.49 1686.61 -5527,92 0,92 5979873.20 577508,89 N 70.35514878 W 149.37056539 11584,29 88,67 283.36 8897,92 8974.42 5806,79 6006.58 5810,79 1693,72 -5558.47 1.76 5979879.96 577478.26 N 70,35516813 W 149,37081354 11615,35 88,78 282.00 8898,61 8975,11 5837.82 6037,63 5841.76 1700.53 -5588.77 4.39 5979886.44 577447.90 N 70,35518668 W 149.37105957 11646.43 88,81 282,20 8899.26 8975.76 5868.86 6068,71 5872.72 1707.04 -5619,15 0.65 5979892.61 577417.45 N 70.35520442 W 149.37130631 11677.62 89.08 283.41 8899,84 8976,34 5900,02 6099.89 5903,83 1713,96 -5649,56 3,97 5979899.19 577386,96 N 70.35522324 W 149,37155327 11709.49 89,15 282.93 8900,33 8976,83 5931.88 6131,76 5935.63 1721.22 -5680.59 1.52 5979906,10 577355.86 N 70,35524301 W 149.3.6 11740.54 90,66 282,50 8900.38 8976.88 5962.90 6162,81 5966.59 1728.05 -5710.87 5.06 5979912,60 577325.50 N 70.35526161 W 149.3 3 11771.38 93,17 282,97 8899.35 8975.85 5993.70 6193.63 5997,34 1734,84 -5740,94 8,28 5979919.06 577295,37 N 70.35528011 W 149,37 37 11802.05 92.58 282.49 8897.81 8974.31 6024,31 6224.26 6027.89 1741,59 -5770.81 2.48 5979925.48 577265.42 N 70,35529849 W 149.37253803 11833.46 93.34 280.20 8896,19 8972.69 6055,62 6255,63 6059.11 1747.76 -5801.57 7.67 5979931,31 577234.61 N 70.35531528 W 149.37278778 11863,87 93,65 280,57 8894.33 8970.83 6085.89 6285.98 6089.28 1753.24 -5831.42 1.59 5979936.45 577204.69 N 70.35533016 W 149,37303024 Tie-In Survey 11895.12 93.96 280.58 8892,26 8968.76 6116,98 6317.16 6120,28 1758,96 -5862.08 0.99 5979941.83 577173.98 N 70.35534573 W 149.37327917 MWF+IFR+MS 11926,65 93.89 278.94 8890,10 8966,60 6148.31 6348,62 6151.51 1764.29 -5893.08 5.19 5979946,82 577142,93 N 70.35536023 W 149,37353092 11958,01 90,83 276,83 8888.81 8965.31 6179.41 6379,95 6182.47 1768.59 -5924,11 11,85 5979950.77 577111,85 N 70,35537191 W 149.37378292 11989.58 92.51 275.67 8887.89 8964,39 6210,61 6411.50 6213,51 1772.02 -5955.47 6.47 5979953.86 577080.45 N 70.35538122 W 149.37403764 12021,84 94.20 275.44 8886,00 8962.50 6242.40 6443,71 6245.13 1775.14 -5987.53 5.29 5979956,62 577048,37 N 70.35538967 W 149.37429792 12053,39 94,13 275,39 8883.71 8960.21 6273.44 6475,17 6276.01 1778.11 -6018,85 0,27 5979959.24 577017.02 N 70,35539771 W 149.37455231 12084.32 94,02 276.23 8881.51 8958,01 6303,91 6506.02 6306,33 1781,23 -6049.55 2,73 5979962,02 576986.29 N 70.35540618 W 149,37480156 12115.08 94.06 276.66 8879,35 8955,85 6334,27 6536,71 6336.55 1784,68 -6080.04 1.40 5979965,13 576955,77 N 70.35541552 W 149,37504916 12144,90 94.27 276.42 8877.18 8953,68 6363.70 6566.45 6365.86 1788.06 -6109,58 1.07 5979968,19 576926,19 N 70,35542471 W 149,37528911 12177,38 94,13 275,94 8874.80 8951.30 6395.72 6598,84 6397,75 1791.55 -6141,79 1.54 5979971.32 576893.95 N 70,35543416 W 149.37555062 12206.94 93,96 277.38 8872.72 8949.22 6424.91 6628.33 6426,83 1794,97 -6171.07 4,89 5979974.41 576864.63 N 70.35544344 W 149,37578846 12238.45 93.85 276.30 8870,57 8947,07 6456,04 6659.77 6457,84 1798.72 -6202.29 3,44 5979977.81 576833,38 N 70.35545360 W 149,37604193 12269,68 93.78 276.60 8868.49 8944.99 6486.87 6690,93 6488.56 1802,22 -6233.25 0.98 5979980,97 576802.39 N 70,35546309 W 149,.37 12301.44 93.68 277.56 8866.43 8942.93 6518.28 6722.62 6519.86 1806.12 -6264,70 3.03 5979984.52 576770.90 N 70,35547369 W 149. 78 12332.22 93,13 277. 73 8864,60 8941.10 6548,76 6753.34 6550.25 1810.21 -6295.15 1,87 5979988,27 576740.40 N 70.35548479 W 149,37679608 12364,02 92.82 276.23 8862,95 8939.45 6580,22 6785.10 6581,61 1814,07 -6326.67 4.81 5979991,78 576708,85 N 70.35549526 W 149.37705205 12395,68 92.86 276.41 8861,38 8937,88 6611.49 6816,72 6612.79 1817,55 -6358,10 0.58 5979994.91 576677,38 N 70,35550469 W 149.37730728 12426.46 92,75 277 .42 8859.87 8936.37 6641.94 6847.47 6643.15 1821.25 -6388,62 3.30 5979998.28 576646.83 N 70.35551474 W 149.37755512 12457,21 92,83 278,27 8858.38 8934.88 6672.43 6878,18 6673,56 1825.44 -6419,05 2,77 5980002.13 576616.36 N 70.35552612 W 149,37780221 12488.33 94,85 278.71 8856.29 8932,79 6703,29 6909.23 6704,35 1830.03 -6449,76 6,64 5980006.37 576585.61 N 70.35553857 W 149,37805159 12519.07 97,71 281.07 8852,93 8929.43 6733,73 6939.78 6734,74 1835,27 -6479.85 12.03 5980011,28 576555.46 N 70,35555283 W 149.37829601 12550.21 98.31 282.81 8848.59 8925,09 6764.52 6970,62 6765.50 1841.65 -6510,02 5.86 5980017.33 576525.22 N 70.35557018 W 149.37854102 12581.03 97,19 282.09 8844.43 8920.93 6795.03 7001.15 6795.99 1848.24 -6539,84 4,31 5980023.58 576495.33 N 70.35558810 W 149,37878320 12611.99 94,12 281.10 8841.38 8917.88 6825,79 7031.96 6826,71 1854.43 -6570.02 10,41 5980029.43 576465,09 N 70,35560494 W 149.37902828 12642.77 90.45 279.47 8840.16 8916,66 6856.44 7062,71 6857.32 1859.92 -6600,27 13.04 5980034.59 576434.78 N 70.35561986 W 149.37927399 SurveyEditor Ver 3,1 RT -SP3.03-HF5,OO Bld( do31 rt-546 ) L -02\L-02\L -02APB 1 \L-02APB1 Generated 1/20/2005 10:47 AM Page 5 of 6 4- ~ Comments Inclination Azimuth Sub-Sea TVD TVD Closure NS EW DLS Northing Easting Latitude Longitude N 70.35563390 W 149,37952576 N 70.35564936 W 149.37978071 N 70,35566743 W 149,38002317 N 70.35568834 W 149.38026870 12798,58 90.28 287.39 8843,35 8919,85 7011,93 7218.48 7012.69 1893,52 -6752.22 11,58 5980066.50 576282.48 N 70,35571128 W 149,38050807 12830.61 89,94 289,70 8843.29 8919.79 7043.89 7250.51 7044.68 1903.70 -6782,59 7.29 5980076,35 576252,01 N 70.35573904 W 149.38075471 12861.37 90,08 288.22 8843.29 8919.79 7074.57 7281,27 7075,39 1913.70 -6811,68 4.83 5980086.02 576222,82 N 70.35576627 W 149.38099100 12893,02 89.87 288,93 8843.30 8919,80 7106.15 7312,91 7107.00 1923,78 -6841.68 2,34 5980095.76 576192.71 N 70,35579374 W 149,38123468 12924,14 90.08 289.88 8843,31 8919,81 7137,17 7344.03 7138.06 1934,12 -6871.03 3.13 5980105,78 576163,25 N 70.35582191 W 149,38147310 12955.56 89,80 290.26 8843.35 8919,85 7168.46 7375.45 7169.39 1944.90 -6900,54 1,50 5980116,23 576133,62 N 70.35585129 W 149.38171282 12986,38 89.63 290.64 8843.50 8920,00 7199,13 7406,27 7200,10 1955.67 -6929.42 1,35 5980126.68 576104.63 N 70,35588063 W 149,3.9 13017,39 89.29 290,38 8843,79 8920.29 7229,99 7437.28 7231.00 1966,53 -6958.46 1.38 5980137.22 576075.47 N 70.35591024 W 149.3 0 13048.57 89,32 289.66 8844,17 8920.67 7261,04 7468.46 7262.10 1977.21 -6987,75 2.31 5980147,57 576046,06 N 70.35593933 W 149.38242126 13080.10 89,39 290.68 8844.52 8921.02 7292.43 7499.99 7293,53 1988.08 -7017,35 3.24 5980158,11 576016.35 N 70.35596895 W 149.38266165 Last MWD+IFR+MS 13103.42 90.18 289.80 8844,61 8921,11 7315,64 7523,31 7316.78 1996,14 -7039.23 5,07 5980165.93 575994.38 N 70,35599093 W 149,38283937 TD ( Projected) 13153.00 90.18 289,80 8844.46 8920,96 7365,03 7572.89 7366.25 2012,94 -7085.88 0,00 5980182.21 575947,56 N 70.35603669 W 149.38321830 Survey Type: Definitive Survey NOTES: CB-GYRO-SS - ( Camera-based gyro single shots -- Traditional surface referenced gyro tool run on wireline . including "level rotor" gyros and Sperry-Sun SU3. Replaces ex-BP "PGSS" model. ) MWD + IFR + MS . ( In-field referenced MWD with mult-station analysis and correction applied in post-processing. Assumes a BHA sag correction is applied to enhance inclination accuracy. ) Leaal Description: Surface: 2528 FSL 3860 FEL S34 T12N R11 E UM Tie·ln: 2527 FSL 3859 FEL S34 T12N R11 E UM BHL: 4537 FSL 382 FEL S32 T12N R11 E UM Northina ey) rnUSl 5978248,11 5978247.64 5980182.21 Eastina eX) rftUSl 583054,64 583055,39 575947,56 . SurveyEditor Ver 3,1 RT -SP3,03-HF5.00 Bld( d031 rt-546 ) L-02\L -02\L-02APB 1 \L-02APB 1 Generated 1/20/2005 10:47 AM Page 6 of 6 SCHLUMBERGER Survey report Client. ................ ..: BP Exploration (Alaska) Inc. Field....................: Prudhoe Bay Well. . . . . . . . . . . . . . . . . . . . .: L-02A API number....... ... .....: 50-029-23048-01 Engineer......... .... ....: M. St.Amour Rig: . . . . . . . . . . . . . . . . . . . . .: Nabors 9ES STATE: . . . . . . . . . . . . . . . . . . .: Alaska ----- Survey calculation methods------------- Method for positions.....: Minimum curvature Method for DLS...........: Mason & Taylor ----- Depth reference ----------------------- Permanent datum..... .....: Mean Sea Level Depth reference...... ....: Driller's Pipe Tally GL above permanent.. .....: 50.50 ft KB above permanent.......: N/A (Top Drive) DF above permanent.. .....: 76.50 ft ----- Vertical section origin---------------- Latitude (+N/S-).........: 0.00 ft Departure (+E/W-)..... ...: 0.00 ft ----- Platform reference point--------------- Latitude (+N/S-)...... ...: -999.25 ft Departure (+E/W-)..... ...: -999.25 ft Azimuth from rotary table to target: 284.82 degrees **Surveys from 250 ft to 2519 ft are from L-02 and are from [(c)2004 IDEAL ID8_1C_02] 15-Dec-2004 13:59:49 Spud date... . . . . . . . . . . . . . : Last survey date.. .......: Total accepted surveys...: MD of first survey.......: MD of last survey........: Page 1 of 8 21-Nov-04 15-Dec-04 203 0.00 ft 13193.00 ft . ----- Geomagnetic data ---------------------- Magnetic model...........: BGGM version 2004 Magnetic date............: 24-Nov-2004 Magnetic field strength..: 1151.93 HCNT Magnetic dec (+E/W-)... ..: 24.68 degrees Magnetic dip...... .......: 80.81 degrees ----- MWD survey Reference Reference G....... .......: Reference H....... .......: Reference Dip..... .......: Tolerance of G.... .......: Tolerance of H... ...... ..: Tolerance of Dip.... .....: Criteria --------- 1002.68 mGal 1151.93 HCNT 80.81 degrees (+/-) 2.50 mGal (+/-) 6.00 HCNT (+/-) 0.45 degrees . ----- Corrections --------------------------- Magnetic dec (+E/W-) .....: 24.68 degrees Grid convergence (+E/W-).: 0.00 degrees Total az corr (+E/W-)....: 24.68 degrees (Total az corr = magnetic dec - grid conv) Survey Correction Type ...: I=Sag Corrected Inclination M=Schlumberger Magnetic Correction S=Shell Magnetic Correction F=Failed Axis Correction R=Magnetic Resonance Tool Correction D=Dmag Magnetic Correction Sperry Sun Drilling Services. ~ Ò v( - / <-ir:t SCHLUMBERGER Survey Report 15-Dec-2004 13:59:49 Page 2 of 8 -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- Seq Measured # depth (ft) Incl angle (deg) -------- ------ -------- ------ 1 2 3 4 5 0.00 169.20 250.66 341. 82 431. 68 6 7 8 9 10 520.95 612.70 702.69 798.97 895.02 11 12 13 14 15 989.87 1087.35 1182.43 1277.81 1374.20 16 17 18 19 20 1470.57 1565.86 1661.15 1757.01 1854.28 21 22 23 24 25 1950.18 2043.64 2140.83 2236.65 2331.98 26 27 28 29 30 2429.15 2519.35 2632.56 2726.19 2819.81 0.02 0.58 0.79 0.85 0.76 1. 79 0.97 0.62 0.55 1. 63 2.28 2.18 2.43 3.12 5.11 6.57 7.88 6.91 8.46 8.75 8.07 7.99 8.55 8.38 8.63 8.85 8.56 12.87 19.14 22.01 Azimuth angle (deg) ------- ------- 123.00 123.00 130.33 157.43 116.77 106.27 103.93 37.34 336.21 314.75 310.84 306.10 308.07 310.44 311.37 315.72 311.69 309.55 306.25 307.48 307.15 305.22 311.82 312.33 312.06 312.14 310.49 323.89 329.61 333.10 [(c)2004 IDEAL ID8_1C_02] Course length (ft) ------ ------ 0.00 169.20 81. 46 91.16 89.86 89.27 91.75 89.99 96.28 96.05 94.85 97.48 95.08 95.38 96.39 96.37 95.29 95.29 95.86 97.27 95.90 93.46 97.19 95.82 95.33 97.17 90.20 113.21 93.63 93.62 TVD depth (ft) -------- -------- 0.00 169.20 250.65 341. 80 431. 65 520.90 612.62 702.61 798.88 894.91 989.71 1087.11 1182.12 1277.38 1373.52 1469.39 1563.92 1658.42 1753.41 1849.59 1944.46 2037.00 2133.18 2227.96 2322.24 2418.28 2507.44 2618.67 2708.63 2796.27 Vertical section (ft) -------- -------- -0.84 -1. 68 -2.58 -3.56 -4.54 -6.52 -8.73 -9.67 -9.59 -8.11 -5.25 -1. 78 1. 76 5.96 12.16 20.73 31.24 42.27 54.07 67.56 80.52 92.68 105.44 117.98 130.50 143.63 155.84 173.23 192.24 214.82 Displ +N/S- (ft) Displ +E/W- (ft) ---------------- ---------------- -0.48 -0.96 -1.55 -2.58 -3.47 -4.12 -4.71 -4.51 -3.67 -2.29 -0.10 2.26 4.57 7.50 12.03 18.82 27.07 35.06 42.90 51. 64 60.14 67.85 76.56 86.01 95.48 105.38 114.39 130.06 151.75 180.64 0.74 1. 48 2.26 3.00 3.78 5.65 7.78 8.81 8.94 7.79 5.40 2.44 -0.61 -4.18 -9.40 -16.47 -25.15 -34.45 -44.58 -56.22 -67.38 -77.91 -88.82 -99.29 -109.73 -120.69 -130.94 -144.78 -158.71 -174.41 Total displ (ft) At Azim (deg) --------------- --------------- 0.88 1. 77 2.74 3.95 5.13 6.99 9.10 9.90 9.67 8.12 5.40 3.32 4.61 8.58 15.27 25.01 36.95 49.15 61. 87 76.34 90.31 103.31 117.26 131.36 145.46 160.22 173.87 194.62 219.58 251.10 122.97 122.98 124.49 130.76 132.49 126.12 121. 20 117.08 112.31 106.36 91.10 47.20 352.38 330.87 322.02 318.81 317.10 315.50 313.90 312.56 311.75 311.05 310.76 310.90 311.03 311.13 311 .14 311.93 313.72 316.00 DLS (deg/ 100f) 0.00 0.33 0.28 0.43 0.63 1.18 0.90 1. 02 0.62 1.18 0.70 0.22 0.28 0.73 2.07 1. 58 1. 47 1. 06 1. 68 0.35 0.71 0.30 1.13 0.19 0.27 0.23 0.42 4.37 6.90 3.33 ------ ------ Srvy Tool tool Corr type (deg) ------ ------ TIP None CB GYRO SS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS SSDS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS SSDS . MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS SSDS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS 4IÞ MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS SSDS MWD_IFR_MS_SSDS Tie in L-02 Blind (Inc) Blind (Inc) MWD_IFR_MS SCHLUMBERGER Survey Report 15-Dec-2004 13:59:49 Page 3 of 8 -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- Seq Measured # depth (ft) Incl angle (deg) Azimuth angle (deg) Course length (ft) -------- ------ ------- ------ -------- ------ ------- ------ 31 32 33 34 35 2912.42 3005.16 3098.16 3191.92 3285.50 36 37 38 39 40 3378.42 3471.96 3565.46 3658.26 3751.28 41 42 43 44 45 3844.74 3937.85 4031.40 4125.29 4219.04 46 47 48 49 50 4310.66 4404.42 4497.03 4590.49 4683.50 51 52 53 54 55 4776.08 4868.99 4962.59 5056.51 5150.25 56 57 58 59 60 5244.81 5336.89 5430.99 5523.92 5617.57 22.40 23.18 23.96 25.34 26.84 29.91 33.30 35.57 36.25 36.26 36.49 36.70 38.18 39.85 39.84 40.04 39.63 39.48 39.82 41. 57 41. 87 42.15 41.71 41. 50 40.79 40.99 40.81 40.75 40.65 40.36 331.29 325.14 317 . 82 316.82 317.56 319.26 320.60 319.40 313.82 308.66 304.41 300.50 295.89 292.36 290.59 290.45 290.12 291.74 292.83 290.04 289.00 286.68 286.40 285.88 286.04 286.01 285.61 284.79 283.83 284.47 [(c)2004 IDEAL ID8_1C_02] 92.61 92.74 93.00 93.76 93.58 92.92 93.54 93.50 92.80 93.02 93.46 93.11 93.55 93.89 93.75 91. 62 93.76 92.61 93.46 93.01 92.58 92.91 93.60 93.92 93.74 94.56 92.08 94.10 92.93 93.65 TVD depth (ft) -------- -------- 2882.02 2967.53 3052.79 3138.00 3222.04 3303.79 3383.45 3460.56 3535.74 3610.77 3686.03 3760.80 3835.09 3908.04 3980.02 4050.27 4122.27 4193.67 4265.64 4336.16 4405.26 4474.30 4543.93 4614.16 4684.75 4756.24 4825.84 4897.09 4967.55 5038.75 Vertical section (ft) -------- -------- 238.52 264.61 294.41 327.39 362.15 398.91 438.98 482.20 528.43 577.66 629.13 682.01 737.31 795.62 855.28 913 .81 973.59 1032.23 1091.36 1151.59 1212.99 1275.08 1337.59 1399.94 1461. 60 1523.49 1583.77 1645.23 1705.82 1766.65 Displ +N/S- (ft) Displ +E/W- (ft) ---------------- ---------------- 211.59 242.07 271.09 299.83 330.03 363.07 400.59 441.08 480.58 516.82 549.79 579.56 606.38 630.50 652.49 673.11 693.93 714.99 737.61 759.74 -190.74 -209.67 -232.81 -259.33 -287.29 -316.57 -348.10 -382.09 -419.46 -460.80 -505.31 -552.13 -602.24 -656.18 -712.07 -767.16 -823.49 -878.57 -933.75 -990.20 780.33 -1048.27 799.37 -1107.45 817.18 -1167.41 834.51 -1227.31 851.47 -1286.61 868.56 -1346.11 884.99 -1404.11 901.10 -1463.43 916.08 -1522.14 930.95 -1581.12 Total displ (ft) At Azim (deg) --------------- --------------- 284.88 320.25 357.34 396.42 437.55 481.70 530.70 583.56 637.89 692.41 746.73 800.46 854.63 910.00 965.81 1020.59 1076.88 1132.74 1189.94 1248.08 1306.82 1365.81 1425.00 1484.15 1542.85 1602.00 1659.74 1718.60 1776.55 1834.83 317.97 319.10 319.34 319.14 318.96 318.91 319.01 319.10 318.88 318.28 317.41 316.39 315.20 313.86 312.50 311.26 310.12 309.14 308.31 307.50 306.66 305.82 304.99 304.21 303.50 302.83 302.22 301.62 301.04 300.49 DLS (deg/ 100f) 0.85 2.70 3.26 1. 54 1. 64 3.42 3.70 2.53 3.60 3.28 2.71 2.51 3.39 2.96 1.21 0.24 0.49 1.13 0.83 2.71 0.81 1. 70 0.51 0.43 0.77 0.21 0.35 0.57 0.68 0.54 ------ ------ Srvy Tool tool Corr type (deg) ------ ------ MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS . MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS . MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS SCHLUMBERGER Survey Report 15-Dec-2004 13:59:49 -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- Page 4 of 8 Seq Measured # depth (ft) Incl angle (deg) Azimuth angle (deg) Course length (ft) TVD depth (ft) Vertical section (ft) Displ +N/S- (ft) Displ +E/W- (ft) Total displ (ft) At Azim (deg) -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- 61 62 63 64 65 5710.93 5804.73 5898.33 5996.57 6089.48 66 67 68 69 70 6182.90 6276.72 6370.03 6463.90 6557.89 71 72 73 74 75 6650.50 6744.33 6838.10 6933.10 7026.59 76 77 78 79 80 7120.87 7213.21 7306.05 7398.47 7492.30 81 82 83 84 85 7585.19 7679.02 7771 . 04 7865.19 7958.23 86 87 88 89 90 8051.66 8144.65 8237.50 8331.45 8425.18 40.23 39.84 40.30 40.08 38.79 38.66 39.38 39.16 39.00 39.09 38.68 38.79 38.60 39.69 40.16 40.28 41. 88 40.91 40.80 41. 45 40.77 40.38 39.76 38.94 38.03 37.26 36.91 37.26 38.11 38.56 284.23 284.41 285.41 286.85 287.00 287.91 288.32 289.16 288.61 289.69 289.71 289.54 289.69 289.14 289.41 288.66 290.12 289.98 290.59 292.55 292.77 293.09 293.00 292.83 293.68 291.56 286.97 282.72 279.23 275.67 [(c)2004 IDEAL ID8_1C_02] 93.36 93.80 93.60 98.24 92.91 93.42 93.82 93.31 93.87 93.99 92.61 93.83 93.77 95.00 93.49 94.28 92.34 92.84 92.42 93.83 92.89 93.83 92.02 94.15 93.04 93.43 92.99 92.85 93.95 93.73 5109.96 5181.78 5253.41 5328.46 5400.21 5473.10 5545.99 5618.23 5691.10 5764.10 5836.19 5909.38 5982.57 6056.24 6127.94 6199.93 6269.54 6339.18 6409.08 6479.77 6549.75 6621. 02 6691.44 6764.25 6837.07 6911.06 6985.25 7059.33 7133.69 7207.22 1827.02 1887.36 1947.61 2010.98 2069.96 2128.34 2187.31 2246.23 2305.25 2364.28 2422.21 2480.71 2539.13 2598.91 2658.73 2719.44 2779.92 2841.05 2901.23 2962.51 3023.02 3083.44 3142.06 3201.16 3258.44 3314.96 3370.83 3426.79 3484.07 3541.71 945.91 -1639.62 960.84 -1698.08 976.34 -1756.30 993.95 -1817.20 1011.13 -1873.66 1028.66 -1929.41 1047.03 -1985.55 1066.00 -2041.48 1085.15 -2097.46 1104.57 -2153.39 1124.17 -2208.12 1143.89 -2263.42 1163.57 -2318.64 1183.50 -2375.20 1203.31 -2431.84 1223.16 -2489.39 1243.32 -2546.62 1264.36 -2604.28 1285.32 -2660.99 1308.01 -2718.37 1331.54 -2774.73 1355.32 -2830.94 1378.51 -2885.45 1401.75 -2940.43 1424.61 -2993.63 1446.56 -3046.29 1465.06 -3099.19 1479.39 -3153.29 1490.30 -3209.65 1497.83 -3267.28 1892.91 1951. 07 2009.44 2071.27 2129.08 2186.49 2244.70 2303.04 2361. 55 2420.16 2477.81 2536.05 2594.22 2653.73 2713.26 2773.66 2833.92 2894.98 2955.15 3016.70 3077.69 3138.65 3197.83 3257.46 3315.32 3372.31 3428.03 3483.07 3538.77 3594.24 299.98 299.50 299.07 298.68 298.35 298.06 297.80 297.57 297.36 297.16 296.98 296.81 296.65 296.49 296.33 296.17 296.02 295.90 295.78 295.70 295.64 295.58 295.54 295.49 295.45 295.40 295.30 295.13 294.91 294.63 DLS (deg/ 100f) 0.22 0.43 0.85 0.97 1. 39 0.63 0.82 0.62 0.41 0.73 0.44 0.16 0.23 1.20 0.54 0.53 2.02 1. 05 0.45 1. 54 0.75 0.47 0.68 0.88 1.13 1. 61 3.00 2.79 2.44 2.40 ------ ------ Srvy Tool tool Corr type (deg) ------ ------ MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS . MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS . MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS SCHLUMBERGER Survey Report 15-Dec-2004 13:59:49 Page 5 of 8 -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- Seq Measured # depth (ft) Incl angle (deg) Azimuth angle (deg) Course length (ft) TVD depth (ft) Vertical section (ft) Displ +N/S- (ft) Displ +E/W- (ft) Total displ (ft) At Azim (deg) -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- 91 92 93 94 95 8519.40 8611.95 8705.12 8797.54 8892.57 96 97 98 99 100 8985.01 9078.23 9170.65 9264.88 9358.52 101 102 103 104 105 9452.90 9547.24 9640.27 9733.30 9825.59 106 107 108 109 110 9919.23 10012.40 10106.88 10199.74 10215.81 111 112 113 114 115 10308.96 10340.26 10371.29 10402.70 10433.63 116 117 118 119 120 10463.96 10494.98 10525.52 10557.40 10588.28 38.39 38.14 37.74 36.86 36.10 35.47 35.18 36.75 37.09 36.97 37.41 36.00 34.73 33.81 33.16 32.87 33.07 34.05 34.95 35.33 36.92 40.65 44.14 47.20 50.56 54.04 57.11 58.28 60.12 63.94 274.13 272.11 269.59 269.77 269.59 269.82 268.72 269.41 270.55 270.87 272.83 272.64 272.74 272.72 272.37 271.86 271.95 272.29 273.24 274.05 274.92 273.40 273.83 274.40 273.41 271.93 272.45 271.44 270.35 270.71 [(c)2004 IDEAL ID8_1C_02] 94.22 92.55 93.17 92.42 95.03 92.44 93.22 92.42 94.23 93.64 94.38 94.34 93.03 93.03 92.29 93.64 93.17 94.48 92.86 16.07 93.15 31.30 31. 03 31. 41 30.93 30.33 31. 02 30.54 31.88 30.88 7280.99 7353.66 7427.14 7500.66 7577.07 7652.06 7728.11 7802.92 7878.25 7953.00 8028.19 8103.83 8179.69 8256.57 8333.54 8412.06 8490.23 8568.96 8645.48 8658.62 8733.86 8758.26 8781.17 8803.12 8823.45 8842.00 8859.54 8875.86 8892.18 8906.66 3599.45 3655.57 3711.15 3765.21 3819.75 3871. 93 3923.86 3976.10 4030.81 4085.50 4141. 09 4196.23 4248.87 4300.09 4349.84 4399.61 4449.03 4499.98 4551.42 4560.49 4614.52 4633.78 4654.30 4676.38 4699.25 4722.70 4747.67 4772.83 4799.41 4825.83 1502.84 -3325.68 1505.96 -3382.91 1506.81 -3440.17 1506.50 -3496.18 1506.19 -3552.67 1505.91 -3606.73 1505.22 -3660.62 1504.34 -3714.89 1504.32 -3771.49 1505.02 -3827.88 1506.87 -3884.89 1509.56 -3941.21 1512.09 -3995.00 1514.58 -4047.32 1516.85 -4098.19 1518.73 -4149.17 1520.41 -4199.85 1522.35 -4252.04 1524.89 -4304.58 1525.48 -4313.81 1529.78 -4368.55 1531.19 -4388.10 1532.51 -4408.98 1534.13 -4431.39 1535.71 -4454.63 1536.82 -4478.60 1537.80 -4504.16 1538.68 -4529.96 1539.10 -4557.34 1539.35 -4584.60 3649.48 3702.97 3755.70 3806.94 3858.77 3908.48 3958.01 4007.92 4060.44 4113.12 4166.90 4220.42 4271.58 4321. 43 4369.89 4418.39 4466.59 4516.35 4566.69 4575.59 4628.66 4647.58 4667.73 4689.43 4711. 91 4734.94 4759.44 4784.14 4810.21 4836.13 294.32 294.00 293.65 293.31 292.97 292.66 292.35 292.05 291.75 291.46 291.20 290.96 290.73 290.52 290.31 290.10 289.90 289.70 289.51 289.48 289.30 289.24 289.17 289.10 289.02 288.94 288.85 288.76 288.66 288.56 DLS (deg/ 100f) 1. 03 1. 38 1. 72 0.96 0.81 0.70 0.75 1. 75 0.81 0.24 1.34 1. 50 1.37 0.99 0.73 0.43 0.22 1. 06 1.13 3.74 1. 79 12.30 11.29 9.83 11.13 12.11 9.99 4.74 6.48 12.41 ------ ------ Srvy Tool tool Corr type (deg) ------ ------ MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS . MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS . MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS SCHLUMBERGER Survey Report 15-Dec-2004 13:59:49 -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- Page 6 of 8 Seq Measured # depth (ft) Incl angle (deg) Azimuth angle (deg) Course length (ft) TVD depth (ft) Vertical section (ft) Displ +N/S- (ft) Displ +E/W- (ft) Total displ (ft) At Azim (deg) -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- 121 122 123 124 125 10620.46 10650.60 10681.24 10712.35 10743.68 126 127 128 129 130 10774.80 10806.86 10837.78 10869.12 10899.83 131 132 133 134 135 10930.35 10961.91 10992.51 11023.88 11054.89 136 137 138 139 140 11086.09 11117.69 11149.35 11179.76 11210.70 141 142 143 144 145 11242.49 11273.73 11305.15 11336.03 11367.15 146 147 148 149 150 11397.84 11428.93 11459.81 11491.52 11522.32 67.95 72.19 75.10 76.83 81. 33 82.93 85.48 88.60 89.67 90.32 89.12 88.95 89.46 88.67 89.22 87.51 86.61 87.34 88.81 88.95 88.81 88.60 89.63 89.63 89.77 89.74 89.94 90.22 89.05 88.53 270.39 271. 45 271.84 271. 54 271.94 276.43 278.13 279.37 282.15 281.88 281.90 280.44 280.35 279.74 280.39 280.23 280.51 279.46 280.76 279.37 280.17 281.18 280.84 279.77 280.69 280.75 280.75 280.11 281.36 282.54 [(c)2004 IDEAL ID8_1C_02] 32.18 30.14 30.64 31.11 31.33 31. 12 32.06 30.92 31. 34 30.71 30.52 31.56 30.60 31.37 31.01 31.20 31.60 31.66 30.41 30.94 31.79 31.24 31.42 30.88 31. 12 30.69 31.09 30.88 31. 71 30.80 8919.78 8930.05 8938.67 8946.22 8952.15 8956.41 8959.65 8961.25 8961.72 8961.72 8961.87 8962.41 8962.83 8963.34 8963.91 8964.80 8966.42 8968.10 8969.12 8969.72 8970.34 8971. 05 8971.53 8971.73 8971.90 8972.03 8972.11 8972.07 8972.27 8972.92 4854.31 4881.80 4910.43 4939.82 4969.78 5000.06 5031.68 5062.38 5093.64 5124.31 5154.79 5186.28 5216.79 5248.04 5278.94 5310.03 5341. 49 5372.99 5403.28 5434.11 5465.77 5496.92 5528.27 5559.05 5590.07 5620.68 5651.69 5682.48 5714.11 5744.86 1539.63 -4613.98 1540.09 -4642.30 1540.94 -4671.69 1541.83 -4701.86 1542.76 -4732.60 1545.01 -4763.33 1549.06 -4794.97 1553.75 -4825.48 1559.60 -4856.26 1566.00 -4886.30 1572.28 -4916.17 1578.40 -4947.12 1583.92 -4977.22 1589.39 -5008.10 1594.81 -5038.63 1600.39 -5069.31 1606.07 -5100.35 1611.55 -5131.49 1616.89 -5161.41 1622.29 -5191.87 1627.68 -5223.19 1633.47 -5253.88 1639.47 -5284.72 1644.99 -5315.10 1650.52 -5345.72 1656.23 -5375.88 1662.03 -5406.42 1667.62 -5436.79 1673.52 -5467.94 1679.90 -5498.07 4864.08 4891.10 4919.27 4948.20 4977.71 5007.63 5038.98 5069.46 5100.56 5131.11 5161. 47 5192.82 5223.17 5254.26 5285.00 5315.93 5347.25 5378.60 5408.74 5439.42 5470.93 5501.95 5533.18 5563.84 5594.73 5625.23 5656.12 5686.80 5718.31 5748.99 288.45 288.35 288.25 288.16 288.06 287.97 287.90 287.85 287.80 287.77 287.74 287.70 287.65 287.61 287.56 287.52 287.48 287.44 287.39 287.35 287.31 287.27 287.24 287.20 287.16 287.12 287.09 287.05 287.02 286.99 DLS (deg/ 100f) 12.49 14.45 9.58 5.64 14.42 15.19 9.54 10.86 9.50 2.29 3.93 4.66 1. 69 3.18 2.75 5.50 2.98 4.04 6.45 4.51 2.55 3.30 3.45 3.47 2.99 0.22 0.64 2.26 5.40 4.19 ------ ------ Srvy Tool tool Corr type (deg) ------ ------ MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS . MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS . MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS SCHLUMBERGER Survey Report 15-Dec-2004 13:59:49 -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- Page 7 of 8 Seq Measured # depth (ft) Incl angle (deg) Azimuth angle (deg) Course length (ft) TVD depth (ft) Vertical section (ft) Displ +N/S- (ft) Displ +E/W- (ft) Total displ (ft) At Azim (deg) -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- 151 152 153 154 155 11552.91 11584.29 11615.35 11646.43 11677.62 156 157 158 159 160 11709.49 11740.54 11771.38 11802.05 11833.46 161 162 163 164 165 11863.87 11895.12 11926.14 11956.77 11988.78 166 167 168 169 170 12020.10 12052.15 12083.12 12114.79 12146.06 171 172 173 174 175 12177.43 12209.10 12239.80 12270.56 12301.11 176 177 178 179 180 12332.85 12365.22 12395.46 12426.35 12456.42 88.61 88.67 88.78 88.81 89.08 89.15 90.66 93.17 92.58 93.34 93.65 93.96 93.96 90.87 91. 59 93.78 93.99 94.37 94.79 94.54 94.85 94.72 94.30 94.30 94.72 95.13 95.46 95.40 93.34 92.82 282.81 283.36 282.00 282.20 283.41 282.93 282.50 282.97 282.49 280.20 280.57 280.58 280.44 278.69 277.90 278.99 278.24 278.92 279.28 279.33 280.66 280.40 280.10 279.96 278.94 278.62 279.89 281. 29 282.71 285.10 [(c)2004 IDEAL ID8_1C_02] 30.59 31.38 31.06 31.08 31.19 31. 87 31.05 30.84 30.67 31. 41 30.41 31. 25 31. 02 30.63 32.01 31. 32 32.05 30.97 31.67 31. 27 31.37 31.67 30.70 30.76 30.55 31.74 32.37 30.24 30.89 30.07 8973.69 8974.43 8975.12 8975.78 8976.35 8976.84 8976.90 8975.87 8974.33 8972.71 8970.85 8968.78 8966.63 8965.34 8964.66 8963.19 8961.02 8958.76 8956.23 8953.69 8951.12 8948.48 8946.06 8943.76 8941.36 8938.63 8935.64 8932.78 8930.43 8928.81 5775.42 5806.78 5837.81 5868.85 5900.01 5931.86 5962.89 5993.69 6024.30 6055.61 6085.87 6116.97 6147.83 6178.30 6210.09 6241.18 6272.97 6303.67 6335.09 6366.11 6397.26 6428.73 6459.24 6489.81 6520.13 6551.57 6583.65 6613.68 6644.44 6674.46 1686.61 -5527.91 1693.71 -5558.46 1700.53 -5588.76 1707.04 -5619.14 1713.95 -5649.55 1721.21 -5680.58 1728.05 -5710.86 1734.84 -5740.93 1741.59 -5770.80 1747.76 -5801.56 1753.23 -5831.41 1758.96 -5862.06 1764.60 -5892.49 1769.68 -5922.66 1774.30 -5954.33 1778.90 -5985.27 1783.69 -6016.89 1788.29 -6047.43 1793.29 -6078.60 1798.33 -6109.36 1803.75 -6140.15 1809.52 -6171.18 1814.96 -6201.29 1820.31 -6231.50 1825.31 -6261.54 1830.13 -6292.79 1835.32 -6324.60 1840.85 -6354.19 1847.25 -6384.32 1854.47 -6413.46 5779.48 5810.78 5841.75 5872.71 5903.81 5935.61 5966.58 5997.32 6027.88 6059.10 6089.27 6120.27 6151.04 6181.40 6213.07 6244.04 6275.71 6306.30 6337.61 6368.54 6399.61 6431.00 6461.43 6491.92 6522.17 6553.52 6585.51 6615.48 6646.19 6676.19 286.97 286.95 286.92 286.90 286.88 286.86 286.84 286.81 286.79 286.77 286.73 286.70 286.67 286.64 286.59 286.55 286.51 286.47 286.44 286.40 286.37 286.34 286.31 286.28 286.25 286.22 286.18 286.16 286.14 286.13 DLS (deg/ 100f) 0.92 1. 76 4.39 0.65 3.97 1. 52 5.06 8.28 2.48 7.67 1. 59 0.99 0.45 11. 59 3.34 7.81 2.42 2.51 1. 74 0.82 4.34 0.92 1. 68 0.45 3.60 1. 64 4.04 4.61 8.09 8.12 ------ ------ Srvy Tool tool Corr type (deg) ------ ------ MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS . MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS . MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS SCHLUMBERGER Survey Report 15-Dec-2004 13:59:49 -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- Page 8 of 8 Seg Measured # depth (ft) Incl angle (deg) Azimuth angle (deg) Course length (ft) TVD depth (ft) Vertical section (ft) Displ +N/S- (ft) Displ +E/W- (ft) Total displ (ft) At Azim (deg) -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- 181 182 183 184 185 12487.09 12517.61 12549.75 12580.13 12611.86 92.38 91. 62 91.69 91.93 91. 01 91.11 91. 38 91. 96 92.14 91. 45 92.21 91. 94 92.27 92.28 92.38 92.41 92.68 92.99 93.07 93.03 290.68 294.16 297.44 301.74 302.64 301.50 300.42 297.77 295.59 293.88 292.62 290.42 287.99 287.10 286.43 286.06 285.84 285.82 287.26 285.28 93.03 286.78 92.41 285.85 Projection to Total Depth: 203 13193.00 92.41 285.85 186 187 188 189 190 12643.64 12673.59 12705.07 12736.19 12767.26 [(c)2004 IDEAL ID8_1C_02] 191 192 193 194 195 12800.18 12831.29 12862.22 12893.01 12924.96 196 197 198 199 200 12955.60 12986.25 13016.75 13047.85 13079.71 201 13110.70 202 13141.59 30.67 30.52 32.14 30.38 31. 73 31. 78 29.95 31. 48 31. 12 31. 07 32.92 31.11 30.93 30.79 31. 95 30.64 30.65 30.50 31.10 31.86 30.99 30.89 51. 41 8927.42 8926.35 8925.43 8924.47 8923.65 8923.06 8922.41 8921.50 8920.38 8919.41 8918.36 8917.23 8916.09 8914.87 8913.57 8912.29 8910.93 8909.42 8907.78 8906.08 8904.44 8902.98 8900.82 6705.04 6735.27 6766.80 6796.16 6826.43 6856.77 6885.54 6916.03 6946.46 6977.05 7009.60 7040.47 7071.29 7102.02 7133.93 7164.53 7195.14 7225.60 7256.64 7288.45 1863.88 -6442.61 1875.51 -6470.80 1889.49 -6499.72 1904.48 -6526.12 1921.38 -6552.96 1938.25 -6579.89 1953.65 -6605.56 1968.95 -6633.06 1982.91 -6660.84 1995.91 -6689.05 2008.90 -6719.28 2020.30 -6748.20 2030.47 -6777.39 2039.74 -6806.72 2048.95 -6837.29 2057.51 -6866.68 2065.93 -6896.12 2074.24 -6925.43 2083.08 -6955.20 2091.99 -6985.74 6706.81 6737.12 6768.79 6798.33 6828.84 6859.43 6888.41 6919.12 6949.73 6980.47 7013 .16 7044.13 7075.01 7105.77 7137.70 7168.31 7198.92 7229.38 7260.44 7292.25 286.14 286.16 286.21 286.27 286.34 286.41 286.48 286.53 286.58 286.61 286.65 286.67 286.68 286.68 286.68 286.68 286.68 286.67 286.67 286.67 7319.39 2100.54 -7015.48 7323.20 286.67 7350.23 2109.20 -7045.09 7354.05 286.67 7401.59 2123.23 -7094.50 7405.41 286.66 DLS (deg/ 100f) 18.23 11.66 10.20 14.17 4.06 3.60 3.72 8.61 7.02 5.93 4.47 7.12 7.92 2.89 2.12 1.21 1.14 1. 02 4.63 6.21 ------ ------ Srvy Tool tool Corr type (deg) ------ ------ MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS . MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS 4.83 MWD_IFR_MS 3.62 MWD_IFR_MS . 0.00 Projection SCHLUMBERGER Survey report Client.... ............. ..: BP Exploration (Alaska) Inc. Field. ...................: Prudhoe Bay Well. . . . . . . . . . . . . . . . . . . . .: L-02APB1 API number. ............ ..: 50-029-23048-70 Engineer. . . . . . . . . . . . . . . . .: M. St. Amour Rig: .....................: Nabors 9ES STATE:...................: Alaska ----- Survey calculation methods------------- Method for positions.....: Minimum curvature Method for DLS...........: Mason & Taylor ----- Depth reference ----------------------- Permanent datum..........: Mean Sea Level Depth reference..........: Driller's Pipe Tally GL above permanent.......: 50.50 ft KB above permanent.......: N/A Top Drive ft DF above permanent.......: 76.50 ft ----- Vertical section origin---------------- Latitude (+N/S-).........: 0.00 ft Departure (+E/W-)........: 0.00 ft ----- Platform reference point--------------- Latitude (+N/S-).........: -999.25 ft Departure (+E/W-)........: -999.25 ft Azimuth from rotary table to target: 284.82 degrees [(c)2004 IDEAL ID8_1C_02] 26-Dec-2004 21:37:14 Spud date................: Last survey date. . . . . . . . . : Total accepted surveys. ..: MD of first survey.......: MD of last survey........: Page 1 of 8 21-Nov-04 25-Dec-04 202 0.00 ft 13153.58 ft . ----- Geomagnetic data ---------------------- Magnetic model...........: BGGM version 2004 Magnetic date............: 24-Nov-2004 Magnetic field strength..: 1151.93 HCNT Magnetic dec (+E/W-)... ..: 24.68 degrees Magnetic dip.............: 80.81 degrees ----- MWD survey Reference Reference G.. ... .........: Reference H.. .......... ..: Reference Dip............: Tolerance of G...........: Tolerance of H...........: Tolerance of Dip.........: Criteria --------- 1002.68 mGal 1151.93 HCNT 80.81 degrees (+/-) 2.50 mGal (+/-) 6.00 HCNT (+/-) 0.45 degrees . ----- Corrections --------------------------- Magnetic dec (+E/W-).....: 24.68 degrees Grid convergence (+E/W-).: 0.00 degrees Total az corr (+E/W-)....: 24.68 degrees (Total az corr = magnetic dec - grid conv) Survey Correction Type ...: I=Sag Corrected Inclination M=Schlumberger Magnetic Correction S=Shell Magnetic Correction F=Failed Axis Correction R=Magnetic Resonance Tool Correction D=Dmag Magnetic Correction Ä ()c(-( L{ 9 SCHLUMBERGER Survey Report 26-Dec-2004 21:37:14 Page 2 of 8 -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- Seq Measured # depth (ft) Incl angle (deg) Azimuth angle (deg) Course length (ft) TVD depth (ft) Vertical section (ft) Displ +N/S- (ft) Displ +E/W- (ft) Total displ (ft) At Azim (deg) -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- 1 2 3 4 5 0.00 169.20 250.66 341. 82 431.68 6 7 8 9 10 520.95 612.70 702.69 798.97 895.02 11 12 13 14 15 989.87 1087.35 1182.43 1277.81 1374.20 16 17 18 19 20 1470.57 1565.86 1661.15 1757.01 1854.28 21 22 23 24 25 1950.18 2043.64 2140.83 2236.65 2331.98 26 27 28 29 30 2429.15 2519.35 2632.56 2726.19 2819.81 0.00 0.58 0.79 0.85 0.76 1. 79 0.97 0.62 0.55 1. 63 2.28 2.18 2.43 3.12 5.11 6.57 7.88 6.91 8.46 8.75 8.07 7.99 8.55 8.38 8.63 8.85 8.56 12.87 19.14 22.01 0.00 123.00 130.33 157.43 116.77 106.27 103.93 37.34 336.21 314.75 310.84 306.10 308.07 310.44 311.37 315.72 311. 69 309.55 306.25 307.48 307.15 305.22 311.82 312.33 312.06 312.14 310.49 323.89 329.61 333.10 [(c)2004 IDEAL ID8_1C_02] 0.00 169.20 81. 46 91.16 89.86 89.27 91..75 89.99 96.28 96.05 94.85 97.48 95.08 95.38 96.39 96.37 95.29 95.29 95.86 97.27 95.90 93.46 97.19 95.82 95.33 97.17 90.20 113.21 93.63 93.62 0.00 169.20 250.65 341. 80 431. 65 520.90 612.62 702.61 798.88 894.91 989.71 1087.11 1182.12 1277.38 1373.52 1469.39 1563.92 1658.42 1753.41 1849.59 1944.46 2037.00 2133.18 2227.96 2322.24 2418.28 2507.44 2618.67 2708.63 2796.27 0.00 -0.81 -1. 71 -2.69 -3.68 -5.65 -7.86 -8.81 -8.72 -7.25 -4.38 -0.91 2.62 6.82 13.03 21. 60 32.10 43.14 54.94 68.43 81. 39 93.54 106.31 118.85 131.37 144.49 156.71 174.10 193.11 215.68 0.00 -0.47 -1. 05 -2.09 -2.97 -3.63 -4.22 -4.01 -3.17 -1. 79 0.39 2.75 5.06 7.99 12.53 19.32 27.56 35.56 43.40 52.13 60.64 68.34 77.06 86.51 95.98 105.88 114.89 130.56 152.24 181.14 0.00 0.72 1. 49 2.23 3.02 4.89 7.02 8.05 8.18 7.02 4.64 1. 67 -1.38 -4.94 -10.16 -17.23 -25.92 -35.21 -45.35 -56.99 -68.14 -78.68 -89.58 -100.05 -110.50 -121.45 -131.70 -145.55 -159.47 -175.18 0.00 0.86 1. 83 3.05 4.23 6.08 8.18 8.99 8.77 7.25 4.65 3.22 5.25 9.40 16.13 25.88 37.83 50.04 62.77 77.24 91. 21 104.22 118.16 132.26 146.36 161.12 174.77 195.52 220.48 251.99 0.00 123.00 125.25 133.07 134.53 126.59 121.00 116.49 111.21 104.31 85.16 31.28 344.80 328.27 320.96 318.26 316.76 315.28 313.74 312.45 311.66 310.98 310.70 310.85 310.98 311.08 311.10 311.89 313.67 315.96 DLS (deg/ 100f) 0.00 0.34 0.28 0.43 0.63 1.18 0.90 1. 02 0.62 1.18 0.70 0.22 0.28 0.73 2.07 1. 58 1. 47 1. 06 1. 68 0.35 0.71 0.30 1.13 0.19 0.27 0.23 0.42 4.37 6.90 3.33 ------ ------ Srvy Tool tool Corr type (deg) ------ ------ TIP None CB GYRO SS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS SSDS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS SSDS . MWD_IFR_MS_SSDS MWD_IFR_MS SSDS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS SSDS MWD_IFR_MS_SSDS . MWD_IFR_MS SSDS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS MWD_IFR_MS_SSDS Tie in L-02 Blind (Inc) Blind (Inc) MWD_IFR_MS SCHLUMBERGER Survey Report 26-Dec-2004 21:37:14 Page 3 of 8 -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- Seq Measured # depth (ft) Incl angle (deg) Azimuth angle (deg) Course length (ft) TVD depth (ft) Vertical section (ft) Displ +N/S- (ft) Displ +E/W- (ft) Total displ (ft) At Azim (deg) -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- 31 32 33 34 35 2912.42 3005.16 3098.16 3191.92 3285.50 36 37 38 39 40 3378.42 3471.96 3565.46 3658.26 3751.28 41 42 43 44 45 3844.74 3937.85 4031.40 4125.29 4219.04 46 47 48 49 50 4310.66 4404.42 4497.03 4590.49 4683.50 51 52 53 54 55 4776.08 4868.99 4962.59 5056.51 5150.25 56 57 58 59 60 5244.81 5336.89 5430.99 5523.92 5617 . 57 22.40 23.18 23.96 25.34 26.84 29.91 33.30 35.57 36.25 36.26 36.49 36.70 38.18 39.85 39.84 40.04 39.63 39.48 39.82 41. 57 41.87 42.15 41.71 41. 50 40.79 40.99 40.81 40.75 40.65 40.36 331.29 325.14 317.82 316.82 317.56 319.26 320.60 319.40 313.82 308.66 304.41 300.50 295.89 292.36 290.59 290.45 290.12 291.74 292.83 290.04 289.00 286.68 286.40 285.88 286.04 286.01 285.61 284.79 283.83 284.47 [(c)2004 IDEAL ID8_1C_02] 92.61 92.74 93.00 93.76 93.58 92.92 93.54 93.50 92.80 93.02 93.46 93.11 93.55 93.89 93.75 91. 62 93.76 92.61 93.46 93.01 92.58 92.91 93.60 93.92 93.74 94.56 92.08 94.10 92.93 93.65 2882.02 2967.53 3052.79 3138.00 3222.04 3303.79 3383.45 3460.56 3535.74 3610.77 3686.03 3760.80 3835.09 3908.04 3980.02 4050.27 4122.27 4193.67 4265.64 4336.16 4405.26 4474.30 4543.93 4614.16 4684.75 4756.24 4825.84 4897.09 4967.55 5038.75 239.39 265.48 295.27 328.26 363.01 399.77 439.85 483.07 529.30 578.53 630.00 682.87 738.18 796.49 856.15 914.67 974.46 1033.10 1092.23 1152.46 1213.86 1275.94 1338.46 1400.80 1462.47 1524.36 1584.64 1646.10 1706.69 1767.51 212.09 242.57 271. 59 300.33 330.52 363.56 401.09 441. 58 481.08 517.31 550.29 580.06 606.88 631.00 652.98 673.60 694.43 715.49 738.11 760.24 -191.51 -210.43 -233.58 -260.09 -288.05 -317.34 -348.86 -382.86 -420.23 -461.56 -506.08 -552.90 -603.01 -656.94 -712.84 -767.92 -824.26 -879.34 -934.52 -990.96 780.82 -1049.03 799.87 -1108.22 817.67 -1168.17 835.01 -1228.08 851.97 -1287.38 869.06 -1346.87 885.48 -1404.88 901.60 -1464.19 916.57 -1522.91 931.44 -1581.89 285.76 321.12 358.22 397.30 438.43 482.58 531.58 584.44 638.77 693.29 747.62 801.35 855.52 910.90 966.71 1021. 49 1077.79 1133.65 1190.85 1248.99 1307.73 1366.72 1425.91 1485.06 1543.76 1602.91 1660.65 1719.51 1777.46 1835.74 317.92 319.06 319.30 319.11 318.93 318.88 318.98 319.07 318.86 318.26 317.40 316.37 315.18 313.85 312.49 311.26 310.11 309.13 308.30 307.49 306.66 305.82 304.99 304.21 303.50 302.83 302.22 301.62 301.04 300.49 DLS (deg/ 100f) 0.85 2.70 3.26 1. 54 1. 64 3.42 3.70 2.53 3.60 3.28 2.71 2.51 3.39 2.96 1.21 0.24 0.49 1.13 0.83 2.71 0.81 1. 70 0.51 0.43 0.77 0.21 0.35 0.57 0.68 0.54 ------ ------ Srvy Tool tool Corr type (deg) ------ ------ MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS . MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS . MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS SCHLUMBERGER Survey Report 26-Dec-2004 21:37:14 Page 4 of 8 -----~-- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- Seq Measured # depth (ft) Incl angle (deg) Azimuth angle (deg) Course length (ft) TVD depth (ft) Vertical section (ft) Displ +N/S- (ft) Displ +E/W- (ft) Total displ (ft) At Azim (deg) -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- 61 62 63 64 65 5710.93 5804.73 5898.33 5996.57 6089.48 66 67 68 69 70 6182.90 6276.72 6370.03 6463.90 6557.89 71 72 73 74 75 6650.50 6744.33 6838.10 6933.10 7026.59 76 77 78 79 80 7120.87 7213.21 7306.05 7398.47 7492.30 81 82 83 84 85 7585.19 7679.02 7771.04 7865.19 7958.23 86 87 88 89 90 8051.66 8144.65 8237.50 8331.45 8425.18 40.23 39.84 40.30 40.08 38.79 38.66 39.38 39.16 39.00 39.09 38.68 38.79 38.60 39.69 40.16 40.28 41.88 40.91 40.80 41. 45 40.77 40.38 39.76 38.94 38.03 37.26 36.91 37.26 38.11 38.56 284.23 284.41 285.41 286.85 287.00 287.91 288.32 289.16 288.61 289.69 289.71 289.54 289.69 289.14 289.41 288.66 290.12 289.98 290.59 292.55 292.77 293.09 293.00 292.83 293.68 291.56 286.97 282.72 279.23 275.67 [(c)2004 IDEAL ID8_1C_02J 93.36 93.80 93.60 98.24 92.91 93.42 93.82 93.31 93.87 93.99 92.61 93.83 93.77 95.00 93.49 94.28 92.34 92.84 92.42 93.83 92.89 93.83 92.02 94.15 93.04 93.43 92.99 92.85 93.95 93.73 5109.96 5181.78 5253.41 5328.46 5400.21 5473.10 5545.99 5618.23 5691.10 5764.10 5836.19 5909.38 5982.57 6056.24 6127.94 6199.93 6269.54 6339.18 6409.08 6479.77 6549.75 6621. 02 6691.44 6764.25 6837.07 6911.06 6985.25 7059.33 7133.69 7207.22 1827.89 1888.22 1948.47 2011.85 2070.83 2129.21 2188.18 2247.10 2306.12 2365.15 2423.07 2481.58 2540.00 2599.78 2659.59 2720.31 2780.79 2841.92 2902.10 2963.38 3023.88 3084.30 3142.93 3202.03 3259.30 3315.83 3371.70 3427.66 3484.94 3542.57 946.41 -1640.38 961.33 -1698.85 976.84 -1757.07 994.45 -1817.96 1011.63 -1874.42 1029.15 -1930.17 1047.52 -1986.31 1066.50 -2042.24 1085.65 -2098.23 1105.07 -2154.15 1124.67 -2208.89 1144.38 -2264.19 1164.06 -2319.41 1184.00 -2375.97 1203.80 -2432.60 1223.66 -2490.15 1243.81 -2547.38 1264.86 -2605.05 1285.82 -2661.76 1308.51 -2719.14 1332.04 -2775.50 1355.82 -2831.71 1379.00 -2886.21 1402.25 -2941.20 1425.10 -2994.39 1447.06 -3047.06 1465.56 -3099.96 1479.88 -3154.05 1490.80 -3210.42 1498.32 -3268.04 1893.82 1951.98 2010.35 2072.18 2129.99 2187.40 2245.61 2303.95 2362.45 2421.06 2478.72 2536.96 2595.13 2654.63 2714.17 2774.56 2834.82 2895.88 2956.06 3017.60 3078.59 3139.55 3198.73 3258.37 3316.22 3373.21 3428.93 3483.98 3539.67 3595.15 299.98 299.50 299.07 298.68 298.36 298.07 297.81 297.57 297.36 297.16 296.98 296.81 296.65 296.49 296.33 296.17 296.02 295.90 295.78 295.70 295.64 295.59 295.54 295.49 295.45 295.40 295.30 295.14 294.91 294.63 DLS (degl 100f) 0.22 0.43 0.85 0.97 1. 39 0.63 0.82 0.62 0.41 0.73 0.44 0.16 0.23 1. 20 0.54 0.53 2.02 1. 05 0.45 1. 54 0.75 0.47 0.68 0.88 1.13 1. 61 3.00 2.79 2.44 2.40 ------ ------ Srvy Tool tool Corr type (deg) ------ ------ MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS . MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS . MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS SCHLUMBERGER Survey Report -------- ------ ------- -------- ------ ------- Seq Measured # depth (ft) Incl angle (deg) Azimuth angle (deg) ------ ------ Course length (ft) 26-Dec-2004 21:37:14 -------- -------- TVD depth (ft) -------- -------- Vertical section (ft) ---------------- ---------------- Displ +N/S- (ft) Displ +E/W- (ft) Page 5 of 8 --------------- --------------- 3650.38 3703.87 3756.60 3807.84 3859.67 3909.38 3958.91 4008.82 4061.33 4114.01 4167.79 4221.31 4272.47 4322.32 4370.78 4419.28 4467.47 4517.24 4567.58 4576.47 4629.54 4648.46 4668.61 4690.31 4712.80 4735.82 4760.33 4785.03 4811 .10 4837.02 At Azim (deg) -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- 38.39 38.14 37.74 36.86 36.10 35.47 35.18 36.75 37.09 36.97 37.41 36.00 34.73 33.81 33.16 32.87 33.07 34.05 34.95 35.33 36.92 40.65 44.14 47.20 50.56 54.04 57.11 58.28 60.12 63.94 274.13 272.11 269.59 269.77 269.59 269.82 268.72 269.41 270.55 270.87 272.83 272.64 272.74 272.72 272.37 271.86 271.95 272.29 273.24 274.05 274.92 273.40 273.83 274.40 273.41 271.93 272.45 271.44 270.35 270.71 [(c)2004 IDEAL ID8_1C_02] 94.22 92.55 93.17 92.42 95.03 92.44 93.22 92.42 94.23 93.64 94.38 94.34 93.03 93.03 92.29 93.64 93.17 94.48 92.86 16.07 93.15 31.30 31. 03 31. 41 30.93 30.33 31.02 30.54 31.88 30.88 7280.99 7353.66 7427.14 7500.66 7577.07 7652.06 7728.11 7802.92 7878.25 7953.00 8028.19 8103.83 8179.69 8256.57 8333.54 8412.06 8490.23 8568.96 8645.48 8658.62 8733.86 8758.26 8781.17 8803.12 8823.45 8842.00 8859.54 8875.86 8892.18 8906.66 3600.32 3656.43 3712.02 3766.08 3820.61 3872.80 3924.72 3976.96 4031.68 4086.37 4141.96 4197.09 4249.73 4300.96 4350.71 4400.48 4449.90 4500.85 4552.29 4561.36 4615.38 4634.65 4655.17 4677.24 4700.12 4723.57 4748.54 4773.70 4800.28 4826.70 1503.33 -3326.45 1506.45 -3383.67 1507.31 -3440.94 1507.00 -3496.94 1506.68 -3553.44 1506.40 -3607.49 1505.72 -3661.39 1504.84 -3715.65 1504.82 -3772.26 1505.52 -3828.64 1507.37 -3885.66 1510.06 -3941.98 1512.58 -3995.76 1515.08 -4048.09 1517.34 -4098.95 1519.23 -4149.94 1520.91 -4200.61 1522.84 -4252.81 1525.39 -4305.34 1525.98 -4314.57 1530.28 -4369.31 1531.69 -4388.87 1533.01 -4409.74 1534.63 -4432.15 1536.21 -4455.39 1537.32 -4479.36 1538.30 -4504.93 1539.17 -4530.72 1539.60 -4558.10 1539.85 -4585.37 Total displ (ft) 294.32 294.00 293.66 293.31 292.98 292.66 292.35 292.05 291.75 291.47 291.20 290.96 290.73 290.52 290.31 290.11 289.90 289.70 289.51 289.48 289.30 289.24 289.17 289.10 289.02 288.94 288.85 288.76 288.66 288.56 DLS (deg/ 100f) 1. 03 1. 38 1. 72 0.96 0.81 0.70 0.75 1. 75 0.81 0.24 1. 34 1. 50 1. 37 0.99 0.73 0.43 0.22 1. 06 1.13 3.74 1. 79 12.30 11. 29 9.83 11.13 12.11 9.99 4.74 6.48 12.41 ------ ------ Srvy Tool tool Corr type ( deg) ------ ------ MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS . 91 92 93 94 95 8519.40 8611.95 8705.12 8797.54 8892.57 96 97 98 99 100 8985.01 9078.23 9170.65 9264.88 9358.52 101 102 103 104 105 9452.90 9547.24 9640.27 9733.30 9825.59 106 107 108 109 110 9919.23 10012.40 10106.88 10199.74 10215.81 111 112 113 114 115 10308.96 10340.26 10371.29 10402.70 10433.63 116 117 118 119 120 10463.96 10494.98 10525.52 10557.40 10588.28 MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS . MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS SCHLUMBERGER Survey Report 26-Dec-2004 21:37:14 -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- Page 6 of 8 Seq Measured # depth (ft) Incl angle (deg) Azimuth angle (deg) Course length (ft) TVD depth (ft) Vertical section (ft) Displ +N/S- (ft) Displ +E/W- (ft) Total displ (ft) At Azim (deg) -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- 121 122 123 124 125 10620.46 10650.60 10681.24 10712.35 10743.68 126 127 128 129 130 10774.80 10806.86 10837.78 10869.12 10899.83 131 132 133 134 135 10930.35 10961.91 10992.51 11023.88 11054.89 136 137 138 139 140 11086.09 11117.69 11149.35 11179.76 11210.70 141 142 143 144 145 11242.49 11273.73 11305.15 11336.03 11367.15 146 147 148 149 150 11397.84 11428.93 11459.81 11491.52 11522.32 67.95 72.19 75.10 76.83 81. 33 82.93 85.48 88.60 89.67 90.32 89.12 88.95 89.46 88.67 89.22 87.51 86.61 87.34 88.81 88.95 88.81 88.60 89.63 89.63 89.77 89.74 89.94 90.22 89.05 88.53 270.39 271.45 271.84 271.54 271. 94 276.43 278.13 279.37 282.15 281.88 281.90 280.44 280.35 279.74 280.39 280.23 280.51 279.46 280.76 279.37 280.17 281.18 280.84 279.77 280.69 280.75 280.75 280.11 281.36 282.54 [(c)2004 IDEAL ID8_1C_02] 32.18 30.14 30.64 31.11 31. 33 31.12 32.06 30.92 31.34 30.71 30.52 31.56 30.60 31. 37 31. 01 31.20 31. 60 31.66 30.41 30.94 31. 79 31.24 31. 42 30.88 31. 12 30.69 31. 09 30.88 31.71 30.80 8919.78 8930.05 8938.67 8946.22 8952.15 8956.41 8959.65 8961.25 8961.72 8961.72 8961.87 8962.41 8962.83 8963.34 8963.91 8964.80 8966.42 8968.10 8969.12 8969.72 8970.34 8971. 05 8971.53 8971.73 8971.90 8972.03 8972.11 8972.07 8972.27 8972.92 4855.17 4882.67 4911.29 4940.68 4970.64 5000.93 5032.55 5063.25 5094.50 5125.18 5155.65 5187.15 5217.65 5248.91 5279.81 5310.89 5342.36 5373.86 5404.15 5434.98 5466.64 5497.79 5529.13 5559.92 5590.94 5621.55 5652.56 5683.35 5714.97 5745.73 1540.13 -4614.75 1540.59 -4643.07 1541.43 -4672.45 1542.32 -4702.62 1543.26 -4733.36 1545.51 -4764.10 1549.55 -4795.73 1554.25 -4826.25 1560.10 -4857.03 1566.49 -4887.07 1572.78 -4916.93 1578.89 -4947.89 1584.41 -4977.98 1589.88 -5008.87 1595.30 -5039.39 1600.88 -5070.08 1606.56 -5101.12 1612.05 -5132.25 1617.38 -5162.17 1622.79 -5192.63 1628.18 -5223.95 1633.97 -5254.65 1639.97 -5285.48 1645.49 -5315.86 1651.02 -5346.49 1656.73 -5376.64 1662.52 -5407.19 1668.11 -5437.56 1674.02 -5468.71 1680.40 -5498.84 4864.96 4891.98 4920.15 4949.08 4978.59 5008.52 5039.86 5070.34 5101.44 5131.99 5162.35 5193.70 5224.05 5255.14 5285.88 5316.81 5348.13 5379.47 5409.62 5440.30 5471.81 5502.83 5534.06 5564.71 5595.61 5626.10 5657.00 5687.67 5719.19 5749.86 288.46 288.36 288.26 288.16 288.06 287.97 287.91 287.85 287.81 287.77 287.74 287.70 287.66 287.61 287.57 287.52 287.48 287.44 287.40 287.35 287.31 287.27 287.24 287.20 287.16 287.13 287.09 287.05 287.02 286.99 DLS (deg/ 100f) 12.49 14.45 9.58 5.64 14.42 15.19 9.54 10.86 9.50 2.29 3.93 4.66 1. 69 3.18 2.75 5.50 2.98 4.04 6.45 4.51 2.55 3.30 3.45 3.47 2.99 0.22 0.64 2.26 5.40 4.19 ------ ------ Srvy Tool tool Corr type (deg) ------ ------ MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS . MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS . MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS SCHLUMBERGER Survey Report 26-Dec-2004 21:37:14 -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- Page 7 of 8 Seq Measured # depth (ft) 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 1ßO Incl angle (deg) Azimuth angle (deg) Course length (ft) TVD depth (ft) Vertical section (ft) Displ +N/S- (ft) Displ +E/W- (ft) Total displ (ft) At Azim (deg) -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- 11552.91 11584.29 11615.35 11646.43 11677.62 11709.49 11740.54 11771.38 11802.05 11833.46 11863.87 11895.12 11926.65 11958.01 11989.58 12021.84 12053.39 12084.32 12115.08 12144.90 12177.38 12206.94 12238.45 12269.68 12301.44 12332.22 12364.02 12395.68 12426.46 12457.21 88.61 88.67 88.78 88.81 89.08 89.15 90.66 93.17 92.58 93.34 93.65 93.96 93.89 90.83 92.51 94.20 94.13 94.02 94.06 94.27 94.13 93.96 93.85 93.78 93.68 93.13 92.82 92.86 92.75 92.83 282.81 283.36 282.00 282.20 283.41 282.93 282.50 282.97 282.49 280.20 280.57 280.58 278.94 276.83 275.67 275.44 275.39 276.23 276.66 276.42 275.94 277.38 276.30 276.60 277.56 277.73 276.23 276.41 277.42 278.27 [(c)2004 IDEAL ID8_1C_02] 30.59 31.38 31.06 31. 08 31. 19 31.87 31.05 30.84 30.67 31. 41 30.41 31. 25 31. 53 31.36 31. 57 32.26 31. 55 30.93 30.76 29.82 32.48 29.56 31.51 31.23 31.76 30.78 31.80 31. 66 30.78 30.75 8973.69 8974.43 8975.12 8975.78 8976.35 8976.84 8976.90 8975.87 8974.33 8972.71 8970.85 8968.78 8966.62 8965.33 8964.41 8962.52 8960.23 8958.03 8955.86 8953.70 8951.32 8949.23 8947.09 8945.01 8942.94 8941.12 8939.47 8937.90 8936.39 8934.89 5776.29 5807.64 5838.67 5869.71 5900.88 5932.73 5963.76 5994.56 6025.17 6056.48 6086.74 6117.83 6149.17 6180.27 6211. 47 6243.25 6274.30 6304.77 6335.12 6364.56 6396.58 6425.77 6456.90 6487.73 6519.13 6549.62 6581.08 6612.35 6642.80 6673.29 1687.11 -5528.67 1694.21 -5559.23 1701.02 -5589.52 1707.54 -5619.90 1714.45 -5650.31 1721.71 -5681.34 1728.54 -5711.63 1735.34 -5741.69 1742.09 -5771.57 1748.26 -5802.32 1753.73 -5832.18 1759.45 -5862.83 1764.78 -5893.83 1769.08 -5924.86 1772.52 -5956.23 1775.63 -5988.28 1778.60 -6019.61 1781.73 -6050.30 1785.17 -6080.79 1788.56 -6110.34 1792.05 -6142.54 1795.47 -6171.83 1799.21 -6203.04 1802.71 -6234.00 1806.62 -6265.46 1810.70 -6295.91 1814.56 -6327.43 1818.04 -6358.86 1821.74 -6389.38 1825.94 -6419.80 5780.36 5811.66 5842.62 5873.58 5904.69 5936.49 5967.46 5998.20 6028.75 6059.98 6090.15 6121.15 6152.37 6183.33 6214.38 6245.99 6276.87 6307.19 6337.42 6366.72 6398.61 6427.69 6458.71 6489.42 6520.72 6551.11 6582.48 6613.65 6644.01 6674.42 286.97 286.95 286.93 286.90 286.88 286.86 286.84 286.82 286.80 286.77 286.74 286.70 286.67 286.62 286.57 286.52 286.46 286.41 286.36 286.32 286.26 286.22 286.17 286.13 286.08 286.05 286.00 285.96 285.91 285.88 DLS (deg/ 100f) 0.92 1. 76 4.39 0.65 3.97 1. 52 5.06 8.28 2.48 7.67 1. 59 0.99 5.19 11. 85 6.47 5.29 0.27 2.73 1. 40 1. 07 1. 54 4.89 3.44 0.98 3.03 1. 87 4.81 0.58 3.30 2.77 ------ ------ Srvy Tool tool Corr type (deg) ------ ------ MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS . MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS . MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS SCHLUMBERGER Survey Report 26-Dec-2004 21:37:14 -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- Page 8 of 8 Seq Measured # depth (it) 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 Incl angle (deg) Azimuth angle (deg) Course length (it) TVD depth (it) Vertical section (it) Displ +N/S- (it) Displ +E/W- (it) Total displ (it) At Azim (deg) -------- ------ ------- ------ -------- -------- ---------------- --------------- -------- ------ ------- ------ -------- -------- ---------------- --------------- 12488.33 12519.07 12550.21 12581.03 12611.99 12642.77 12674.20 12706.11 12736.71 12767.92 12798.58 12830.61 12861.37 12893.02 12924.14 12955.56 12986.38 13017.39 13048.57 13080.10 201 13103.42 94.85 97.71 98.31 97.19 94.12 90.45 88.84 88.91 87.81 88.19 90.28 89.94 90.08 89.87 90.08 89.80 89.63 89.29 89.32 89.39 278.71 281. 07 282.81 282.09 281.10 279.47 279.45 281. 09 283.99 284.52 287.39 289.70 288.22 288.93 289.88 290.26 290.64 290.38 289.66 290.68 90.18 289.80 Projection to Total Depth: 202 13153.00 90.18 289.80 [(c)2004 IDEAL ID8_1C_02] 31.12 30.74 31. 14 30.82 30.96 30.78 31.43 31.91 30.60 31. 21 30.66 32.03 30.76 31.65 31. 12 31. 42 30.82 31.01 31.18 31. 53 23.32 49.58 8932.81 8929.45 8925.11 8920.95 8917.90 8916.67 8916.87 8917.50 8918.37 8919.46 8919.87 8919.81 8919.80 8919.82 8919.83 8919.86 8920.02 8920.31 8920.69 8921.04 8921.13 8920.97 6704.15 6734.58 6765.38 6795.89 6826.65 6857.30 6888.59 6920.39 6950.95 6982.14 7012.79 7044.75 7075.43 7107.01 7138.03 7169.32 7199.99 7230.84 7261. 89 7293.28 1830.52 -6450.51 1835.77 -6480.61 1842.15 -6510.77 1848.73 -6540.59 1854.92 -6570.77 1860.41 -6601.03 1865.57 -6632.03 1871.26 -6663.42 1877.90 -6693.27 1885.58 -6723.50 1894.01 -6752.98 1904.20 -6783.34 1914.19 -6812.43 1924.27 -6842.43 1934.61 -6871.78 1945.39 -6901.29 1956.16 -6930.17 1967.03 -6959.21 1977.70 -6988.51 1988.57 -7018.10 6705.21 6735.60 6766.36 6796.85 6827.57 6858.18 6889.42 6921.18 6951.72 6982.90 7013.55 7045.54 7076.25 7107.86 7138.92 7170.25 7200.96 7231.86 7262.96 7294.39 285.84 285.82 285.80 285.78 285.76 285.74 285.71 285.69 285.67 285.67 285.67 285.68 285.69 285.71 285.72 285.74 285.76 285.78 285.80 285.82 7316.50 1996.64 -7039.98 7317.64 285.83 7365.89 2013.43 -7086.63 7367.11 285.86 DLS (deg/ 100f) 6.64 12.03 5.86 4.31 10.41 13.04 5.12 5.14 10.13 2.09 11. 58 7.29 4.83 2.34 3.13 1. 50 1. 35 1. 38 2.31 3.24 ------ ------ Srvy Tool tool Corr type (deg) ------ ------ MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS . MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR_MS MWD_IFR~MS MWD_IFR_MS MWD_IFR_MS 5.07 MWD_IFR_MS . 0.00 Projection . . Schlumberger Drilling & Measurements MWD/lWD log Product Delivery Customer BP Exploration (Alaska) Inc. Dispatched To: Helen Warman Well No l-02A Date Dispatched: 11-Mar-05 Installation/Rig Nabors 9ES Dispatched By: 0 Data No Of Prints No of Floppies Surveys 2 Received By: Please sign and return to: Drilling & Measurements LWD Division 3940 Arctic Blvd, Suite 300 Anchorage, Alaska 99503 nrose1@slb.com Fax: 907-561-8417 lWD Log Delivery V1.1, 10-02-03 Schlumberger Private jÄ 0 °/_ (C{ 1 . . Schlumberger Drilling & Measurements MWD/LWD Log Product Delivery Customer BP Exploration (Alaska) Inc. Dispatched To: Helen Warman Well No L-02APB1 Date Dispatched: 11-Mar-05 Installation/Rig Nabors 9ES Dispatched By: 0 Data No Of Prints No of Floppies Surveys 2 1 // ¡ ... J J I 1'/ MAr ~J {jl/ J Received By: )j ï(u '(...... .., Please sign and return to: Drilling & Measurements LWD Division 3940 Arctic Blvd, Suite 300 Anchorage, Alaska 99503 nrose1@slb,com Fax: 907-561-8417 LWD Log DeliveryV1.1, 10-02-03 Schlumberger Private Ä 6U¡--(c(D( TRœ= WELLHEAD = ACTUATOR = KB. ELEV = BF. ELEV = KOP= Max Angle = Datum MD = DatumTVD= 4-1/8" CrN FMC N/A 76,5' 50.5' 900' 95 @ 12365' . L-02A FROM DRLG - DRAFT xxxxx' xxxx' ss 19-5/8" CSG, 40#, L-80, ID = 8.835" I Minimum 10 = 2.813" @ 1803' 3·1/2" HES X NIPPLE 13-1/2" TBG, 9.2#, L-80, .0087 bpf, 10 = 2.992" 15" X 7" BKR HMC LNR HGR 17" CSG, 26#, L-80, 10 = 6.276" I 17" HES EZSV 17" CSG, 26#. L-80, 10 = 6.276" I 14,5". 12.6#. L-80, SL TO LINER I REF LOG: SWS Vision Resistivity 12/15/04 ANGLE AT TOP ÆRF: 93° @ 11,830' Note: Refer to Production DB for historical perf data SIZE SPF MERV AL Opn/Sqz OA TE 2.88 6 11830'-11910' Opn 12/29/04 2.88 6 12010'-12220' Opn 12/29/04 2.88 6 12300'-12370' Opn 12/29/04 2.88 6 12420'-12600' Opn 12/29/04 2.88 6 12650'-13090' Opn 12/29/04 S.OTES: - 3-1/2" HES X NIP, 10 = 2,813" I GAS LIFT MANDRELS ST MD TVO DEV TYÆ VLV LATCH PORT 9 2013 2002 8° MMG DMY RK 8 2607 2590 12° MMG DMY RK 7 3986 3796 38° MMG DMY RK 6 4927 4514 42° MMG OCR RKP 5 5826 5195 40° MMG DMY RK 4 6735 5900 39° MMG DMY RK 3 7645 6593 40° MMG DMY RK 2 8555 7306 38° MMG DMY RK 1 9308 7910 37° MMG DMY RK 9337' - 3-1/2"HESXNIP, 10=2.813" I 9357' -;3-1/2" HES GAUGE CARRIER I 9379' 7" X 4-1/2" BKR S-3 A<R, 10=3.875" "'3-1/2" HES X NIP, ID = 2.813" I 9425' H3-1/2"HESXNIP,ID=2.813" I 9438' -;3-1/2" WLEG, 10 = 2.992" I I PBTO H 13106' I 14-1/2" LNR, 12.8#, L-80 HYD533,ID=3.958" H 13190' I # OA TE REV BY COMMENTS 1/1/2005 TA ORIGINAL COMPLETION OA TE REV BY COMMENTS DATE 1/1/2005 1/1/2005 1/1/2005 1/1/2005 1/1/2005 1/1/2005 1/1/2005 1/1/2005 1/1/2005 PRUDHOE BAY UNrr WELL: L-02A ÆRMrr No: 204-149 API No: 50-029-23048-01 SEC 34, T12N, R11 E, 2528' NSL & 3860' WEL BP Exploration (Alaska) PBU L-02A well control " Hi Jim I received a call from rig 9ES at Barn on 12/4/04 informing us that they had taken a kick. They were drilling with 9 llb per gal mud and had a pit gain of 20 bbl. They waited up to 9.3 and partially lost circulation. They are currently working to stop the losses. Chuck 10fl 12/6/2004 8:22 AM . . FRANK H. MURKOWSKI, GOVERNOR AI4ASIiA OIL AND GAS CONSERVATION COMMISSION 333 W. 7'" AVENUE, SUITE 100 ANCHORAGE, ALASKA 99501-3539 PHONE (907) 279-1433 FAX (907) 276-7542 Lowell Crane Senior Drilling Engineer BP Exploration (Alaska) Inc. P.O. Box 196612 Anchorage, Alaska 99519-6612 Re: Prudhoe L-02A BP Exploration (Alaska) Inc. Permit No: 204-149 Surface Location: 2528' NSL, 3860' WEL, SEC. 34, T12N, RIlE, UM Bottomhole Location: 4519' NSL, 517' WEL, SEC. 32, T12N, RIlE, UM Dear Mr. Crane: Enclosed is the approved application for permit to redrill the above development well. This permit to redrill does not exempt you from obtaining additional permits or approvals 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. PIe e provide at least twenty-four (24) hours notice for a representative of the Commission t it ess any required test. Contact the Commission's petroleum field inspector at (907 659- 07 ager). BY ORDER ~F JHE COMMISSION DA TED thisjJ("day of August, 2004 cc: Department ofFish & Game, Habitat Section w/o enc!. Department of Environmental Conservation w/o enc!. WG/r ð/It/¿ouq. . STATE OF ALASKA . ALASKA ~ AND GAS CONSERVATION CO~ISSION PERMIT TO DRILL 20 MC 25.005 / o Drill II Redrill 1a. Type of work 0 Re-Entry 2. Operator Name: BP Exploration (Alaska) Inc. 3. Address: P.O. Box 196612, Anchorage, Alaska 99519-6612 4a. Location of Well (Governmental Section): Surface: 2528' NSL, 3860' WEL, SEC. 34, T12N, R11E, UM Top of Productive Horizon: 4089' NSL, 3291' WEL, SEC. 33, T12N, R11E, UM Total Depth: 4519' NSL, 517' WEL, SEC. 32, T12N, R11E, UM 4b. Location of Well (State Base Plane Coordinates): Surface: x- 583055 y- 5978248 Zone- ASP4 16. Deviated Wells: Kickoff Depth: 2700 feet Maximum Hole Angle: 94 dearees 11b. Current Well Class 0 Exploratory II Development Oil 0 Multiple Zone o Stratigraphic Test 0 Service 0 Development Gas 0 Single Zone 5. Bond: B Blanket 0 Single Well 11. Well Name and Number: Bond No. 2S100302630-277 PBU L-02A / 819 6. Proposed Depth: 12. Field / Pool(s): ~~/- 201 MD 13237 TVD 8901 Prudhoe Bay Field / Prudhoe Bay 7. Property Designation: Pool ADL 047449 8. Land Use Permit: 13. Approximate Spud Date: September 10, 2004 14. Distance to Nearest Property: 4500' 9. Acres in Property: 2560 Weiaht 26# 12.6# Grade L-80 L-80 CouDlina Lenath BTC-M 10243' IBT-M 3137' 10. KB Elevation 15. Distance to Nearest Well Within Pool (Height above GL):Plan 76.5 feet 300' 17. Maximum Anticipated Pressures in psig (see 20 AAC 25.03' Downhole: 4001 Surface: 3115 TI .0 :~ -r -'';';.. ___<iQUl~CkS) ..i MD TVD MD TVD (includina staae data) Surface Surface 10243' 8719' 141 sx Class 'G', 163 sx Class 'G' /' 10100' 8510' 13237' 8901' 379 sx Class 'G' ,/ 1 B. ._ '".,~, _.,. ðlze Hole CasinQ 8-3/4" 7" 6-1/8" 4-1/2" - 19, PRESENT WELL CONDITION SUMMARY (To be completed for Redrill AND Re-entry Operations) Total Depth MD (ft): Total Depth TVD (ft): I Plugs (measured): Effective Depth MD (ft): Effective Depth TVD (ft):1 13572 8927 None 13572 8927 I '., ~ '. tVIU Junk (measured): Jone TVD !=:tn Ir.h Ir;!1 Conductor ~ r 114' 20" 260 sx Arcticset (ADDrox.) 2547' 9-5/8" 453 sx AS Lite III, 312 sx Class 'G' 9921' 7" 575 sx Class 'G', 120 sx LiteCrete 3793' 4-1/2" 494 sx Class 'G' 114' 2581' 9953' 114' 2568' 8733' I i Prodllction Liner 9779' - 13572' 8588' - 8927' ;~fl'foif "till wb. U""",,'~,ðI f&..,." M V ¡ ",,"' i Þ Perforation Depth MD (ft): Slotted Section: 10876' -13570' IPerfOration Depth TVD (ft):I'<Slott~d/~~C1,ior1O/¡fi48927' 20. Attachments B Filing Fee, $100 B BOP Sketch B Drilling Program 0 Time vs Depth Plot o Property Plat 0 Diverter Sketch 0 Seabed Report B Drilling Fluid Program .... ~is ~5.05Õ··~irements Date: 21. Verbal Approval: Commission Representative: 22. I hereby certify that the foregoing is true and correct to the best of my knowledge. Printed Name Lo~ Crane A Title Senior Drilling Engineer Prepared By Name/Number: Sianature(-V~ /f .../.., Phone 564-4089 Date ð'" 'l,Cf.{ Terrie Hubble. 564-4628 ii.. 'ii..Vi<)·i0iiii.Ji/iiiSEiiii..ii:ii. i.iiiii>,..i:<i.iiti( Permit To Drill/,) iJ/) API Number: . / J~ Permit Approval / Tsee cover letter for Number:.20 "7-./ "7 '9 50- ,,2.. "f - 2. 3 ð 7 ~ oJ 0 I Date: - £./Í r / CJ (/ other requirements Conditions of Approval: Samples Required 0 YesßNo Mud Log Required Yes )3 No Hydr~gen Sulfide Measures )(rYes 0 No Directional Survey Required es 0 No UVldew' ~' . (I f£ '/ f 0, n ¡ (" ¡ Ì\ 'AI APPROVED BY ,?,,', (/11/ ,</ ADD roved Bv:l /I..J ' /l ' K ¡ í..J ¡ ¡ \1 THE COMMISSION Date 'D / '¥ (}I./ Form 10-401 Rè¥ised 06/2W' ......... .. {3ubm'/.ln Du licate Contact Neil Magee, 564-5119 · . IWell Name: IL-02A Drill and Complete Plan Summary 1 Type of Well (service I producer I injector): I Horizontal Sidetrack Producer Surface Location: X = 583,054.64 Y = 5,978,248.11 / 2528' FSL, 3860' FEL Sec. 34, T12N, R11 E Umiat Target Location: X = 578,323.75 Y = 5,979,758.53 TVDss 8885' Ivishak Zone 4 4089'FSL,3291'FEL Sec. 33, T12N, R11 E Umiat / Bottom Hole Location: X = 575,812.75 Y = 5,980,162.53 TVDS;.ß825' (TD) 4519'FSL,517'FEL Sec. 32, T12N, R11E Umiat I AFE Number: 1 PBD4P2277 I 1 Rig: I Nabors 9ES/ ' I Estimated Start Date: 19/10/04 ,/' 1 I Operating days to complete: 130.0 ~ 13,237' I I TVD: 18,901' 1 I BF/MS: 148' I I KBE: 176.5' I Well Design (conventional, slim hole, etc.): 1 Horizontal Sidetrack I Objective: 1 Ivishak Zone 4: 45P-46P Nearest wells to Top Sag River: L-02 (parent well) offset 300'. Nearest property boundary: 4500' South Present CasinglTubing Program: Csg/Tubing WUFt Grade Conn Top Bottom 20" 91.5 H-40 Welded Surface 110' 9 5/8" 40 L-80 BTC Surface 2581' 7" 26 L-80 BTC-Mod Surface 9954' 4-1/2" Slotted 12.6 L-80 IBT-M 9779' 13572' 4-W'Tubing 12.6 L-80 BTC-Mod Surface 9783' Casingrrubing Program (Pro posed): Hole Size Csgl WtlFt GrJde co~ Lene:th Top Btm Tbg O.D. MDrrVD MDrrVD 8-3/4" 7" 26# L-80 BTC-Mod -10243' Surface 10,243' / 8719' 6-1/8" 4-1/2" 12.6# L-80 IBT-Mod -3137' 10,100' / 8510' 13,237' / 8901' Tubina 3-1/2" 9.2# L-80 IBT-Mod -9,000' Surface 10,100' 18901' 7" 26 Ib/ft casing: Burst 7240 psi, Collapse 5410 psi 4-1/2" 12.6 Ib/ft casing: Burst 8430 psi, Collapse 7500 psi . . _940 at 11,770' MD (Horizontal Section) All wells pass major risk criteria. MWD IFR/Cassandra. 8 3/4" Interm. : Drilling: Open Hole: Cased Hole: 6 1/8" Production: Drilling: Open Hole: Cased Hole: hout entire interval. Formation Markers Formation Tops (P2) MD TVDss Press. Comments KOP 2600 -2510 UG Ma -3825 SBNa -41 05 SBOA -4260 SB OBd -44475 SBOf -4610 THRZ -6065 TKUP -651 0 2850 psi 8.4 PPQ EMW TMLV -6910 TKNG -7470 TJF -7620 TJE -7990 TJD -8110 TJC -8395 TJB -8530 TSGR -8643 8.75 PPQ, + 20' uncertainty TSHU -8685 8.75 PPQ, + 20' uncertainty TElL -8840 8.75 DDQ, + 20' uncertaintv TSAD -8860 4001 psi est. 8.75 ppg, ± 20' uncertainty from L-02 Static BHP 45N (IN HEEL) -8880 8.75 PPQ, + 20' uncertainty 45P -8885 8.75 PPQ, + 20' uncertaintv 44N -8910 8.75 PPQ, ± 20' uncertainty TD 13237 -8827 TD Criteria: 2600' of produceable reservoir or end of TD polYQon o,g y.O L-02A Well Plan AOGCC.doc 2 . . Mud Program: LSND Viscosit PV YP MBT H APIFI 45-55 12-18 30-40 <20 9.0-9.5 4-6 38-45 15-22 22-28 <20 9.0- 9.5 4 FloPro PV YP MBT API FI 4-7 20 - 28 <3 N/C FIT EMW 12.0 ppg EMW Target 10.6 ppg EMW Target based on 9.0 ppg MW and a worst case 10.6 ppg d namic ressure at shoe Depth 20' min from surface shoe 20' min from 7" shoe Test Type LOT Cement Program: (Preliminary) The 7" slurry assumes a fracture strength at the 7" shoe (TSAG) of 13.25 ppg and a 12.5 ppg fracture strength at 5170' (Base Schrader). Casin Size 7" Casin Basis: Lead: Base n wo stage cement job, 30% excess and a 82' shoe joint. First stage will cover from&. D, 10243 'to 49 (750' above TSAG). Second stage will cover 5370' (200' below base of Schrader) 16' / (500' abo p Schrader Ma sand) Estimated Bottom Hole Static Temperature = 227F Estimated Schrader tern erature = 120F Static, 95F Circulatin Fluid Sequence & Volumes: Stage Pre Flush None I S acer Tail cuft/sk. Fluid Sequence & Volumes: Stage Pre Flush None II S acer Tail cuftlsk. Pre Flush S acer Tail L-02A Well Plan AOGCC.doc 3 . . Well Control: Well control equipment consisting of 5000 psi working pressure pipe rams(2), blind/shear rams, an~ annular preventer will be installed. Based upon the need to test the production casing to 3500 psi the BOP equipment will be tested to 3500 psi. During the de-completion phase up to the time the well is sidetracked and new hole is -k drilled, the BOP test frequency will be 7 days. Afterwards the tests will be conducted on a 14 day frequency. Except for significant operational issues that may effect well integrity or pose safety concerns, an extension to the BOP period should not be requested. Diverter, BOPE and drilling fluid system schematics on file with the AOGCC. Production Interval- · Maximum anticipated BHP: · Maximum surface pressure: 4001 psi @ -8860' TVDss - Sag River 3115 psi @ surface (based on BHP and a full column of gas from TD @ 0.10 psi/ft) · Planned BOP test pressure: · Planned completion fluid: 6.8 ppg diesel 3500 psi / Filtered brine (9.0 ppg) with 2% KCL with corrosion inhibitor / Disposal: · No annular disposal in this well. · Cuttings Handling: Cuttings generated from drilling operations will be hauled to grind and inject at DS-04. · Fluid Handling: Haul all drilling and completion fluids and other Class II wastes to DS-04 for disposal. Haul all Class I wastes to Pad 3 for disposal. L-02A Well Plan AOGCC.doc 4 . . Sidetrack and Completion Procedure Summary Pre-riQ Operations: 1. Function test all tubing hanger and 9-5/8" casing pack-off and lockdown screws. 2. PPPOT-T to 5000 psi. 3. Fluid pack the tubing and the tubing X 7" annulus. 4. R/U slick-line. Dummy off any live GLM. 5. R/U E-line. RIH with tubing punch and shoot equalizing holes below the planned cut. POOH. 6. RIH wi a 3 5/8" chemical cutter. Cut the 4 W' tubing at -9,500'. 7. Circulate the well with clean seawater through the tubing cut. Freeze protect tubing and casing with diesel from 2,200' to surface. Bleed casing and annulus pressure and record pressure. 8. Set a VR plug in tubing spool outlet to meet double barrier requirement. Set a BPV. Secure the well. Remove the wellhouse. Level the pad as necessary. RiQ Operations: 1. MI I RU Nabors 9ES. 2. Note tubing and annular pressures (trapped gas). Bleed-off as required prior to MIRU. RU to the tree to circulate out the diesel freeze protection. Pull BPV with lubricator and recover VR plug. Circulate out the diesel freeze protection and displace it with 9.0 ppg brine. Confirm the well is dead. 3. Set and test TWC. NO tree and adapter flange. Nipple up and test the BOPE. Test the BOP equipment to 250 psi low and 3500 psi high. Test the annular to 250 psi low and 3500 psi high. Pull the TWC with lubricator. 4. PU landing joint or spear. Circulate and observe well. Recover the tubing hanger. Pull and lay down the 4- 1/2" L-80 BTC-M tubing down to the cut at 9500'. 5. RU Schlumberger and run CCUGR/JB.RIH and set EZSV at 9450'. RD Schlumberger. 6. MU cement stinger and RIH picking up drillpipe. Stab into EZSV and establish injection pressure. Abandon 4-1/2" production interval by bullheading approximately 70 bbls of 15.8 ppg Class G cement. POOH. 7. RIH and set 7" EZSV at approximately 2690'. 8. MU a 7" casing cutting assembly, per Baker representative. RIH and cut the 7" casing at -2,670' MD. Circulate the casing annulus with 9.4 ppg LSND mud. POOH. 9. NO BOPE. Tack casing slips and pull packoff. NU BOPE and test I · I 10. S ear the 7" casin . POOHla in downcasin from cut at 2,670'. T~'S 10- 40l ct~pprc"a..- . 11. M/U a 8-3/4" clean out assembly. RIH down to the 7" casing stub at 2,670'. Circulate the well clean. POOH. . 12. RIH and set 17.0 ppg cement plug from 2690' to 2300'. WOC / 13. PU drilling BHA with GR/RES/PWD/MWD and sidetrack well drill according to the directional plan to Top /' Sag at approx. 10243' MD. Initial mud weight of 9.4 ppg will be increased to 10.8 ppg for drilling the Kingak and hold 10.8 ppg onwards to TO. 14. RU and cement 7" 26# L-80 BTC-M casing. /' 15. MU 6-1/8" BHA with GR/RES/AIM/MWD. Drill out and swap mud to 9.0 ppg FloPro. Perform LOT to 10.6 ppg. Drill to TO in Ivishak Zone 4 at 13237' MD (8901' TVD). 16. Run and cement 4 W', 12.6# L-80 production liner. Displace to 9.0 ppg completion brine above liner top. ~ POH LD excess drill pipe. 17. TCP perforate well. 18. Run 3-1/2",9.2# L-80 IBT completion tying into the 4-1/2" liner top. Freeze protect well to 2200' TVD./ 19. Set packer and test the tubing and annulus to 3500 psi for 30 minutes. 20. NO down the BOPE. Nipple up and test the tree to 5000 psi. / 21. Rig down and move off. ./ L-02A Well Plan AOGCC.doc 5 L-02 Well Historv . . L-02 was originally drilled and completed Jan 2003, well was completed with a slotted liner, well broke through with overwhelming water production within days of going on production. Well was fully evaluated by PLK logging. All the production, 99% water was identified coming from behind the solid uncemented section of pipe in the heal. A unique organic cross linked gel job (3000 bbls) was designed with a 50% risk factor, job was pumped with out problem, let to crosslink and well was brought back on at 10% choke, water broke through before completion of the first well test. Gel job failed. Sidetrack is planned to / obtain the original reserves, by avoiding the known water channel and completion design changed to cemented and perforated solid liner. Current Well Information Well Name: API Number: PTD: Well Type: L-02 50-029-23048-00 13570' MD Horizontal Producer Current Status: The well is currently shut in due to high water production. Well wil,/, be loaded with kill brine prior to rig work. BHP: 4001 psi @ 8860' TVDss Ivishak BHT: 231 ° F @ 8800' TVDss. Mechanical Condition: Tubing: 4-1/2",12.6 #/ft, L-80 mod-BTC tubing with Baker S-3 packer at 9724' and 4-1/2" tail pipe to 9783'. See current schematic. 13572'/13570' MD 40.34° at 7071' MD (Intermediate Hole) 2.6°/100' at 5921' MD FMC 11" 5M x 11" 5M Gen 5 FMC 11" x 4-112" FMC 11" x 4-1/16" Cameron 4-1/8" 5M 4-1/8" Cameron H (To be confirmed) Slotted liner completion Planned: 9.0 ppg brine I diesel / Planned: 9.0 ppg brine / diesel TD I PBTD: Maximum Angle: Max Dogleg of interest: Tubing. Spool: Tubing. Hanger: Tubing. Head Adapter: Tree: BPV Profile: Perforations: Tubing Fluids: Annulus Fluids: L-02A Well Plan AOGCC.doc 6 . . Detailed Procedure Job 1: MIRU Hazards and Contingencies > The L-02A is on the East side of L-pad 15' from L-112i and 30' from L-122. Wells are spaced on 15' centers. L-112i will require well house removal for the rig up. / > L-Pad is not an H2S site. July 2004 H2S data from the pad is as follows: L-122 10 ppm, L-101 10 ppm andL=õ11 0 ppm. Standard operating procedures for H2S precautions should be reviewed and followed at all times. > Post Permit to Drill prior to spud. > Pressure Barriers: 1) kill weight fluid above production interval 2) wellhead/tree with BPV 3) VR plug installed in annulus valve profile to meet double barrier requirement Reference RP .:. "Drilling/Work-over Close Proximity Surface and Subsurface Wells Procedure" SOP Job 2: De-Complete Weill Abandon Production Interval Hazards and Contingencies > NORM test all retrieved well head and completion equipment. > Pressure Barriers: 1) kill weight fluid above production interval 2) wellhead/tree with BPV 3) secondary annulus valve Reference RP .:. "De-completions" RP Job 3: Casina Recovervand Kick-off Plua Hazards and Contingencies > The 7" casing on L-02 was set on slips rather than a mandrel hanger. I will be necessary to NO the BOP's to recover. A double barrier dispensation will be required during this phase of the operations. > Pressure Barriers: 1) kill weight fluid above production interval 2) secondary annulus valve. > Circulate out dead crude from 7" x 9-5/8" annulus through double valve off wellhead spool utilizing in-line choke to regulate flow. > Once casing cutting is complete, jet BOP equipment and ensure operable. L-02A Well Plan AOGCC.doc 7 . . Reference RP .:. Setting a kick-off or abandonment plug in open hole. Job 4: DrillinQ Intermediate Hole Hazards and Contingencies ~ L-02A should cross five faults in the intermediate hole interval. Fault Location Estimated Est Throw Comments Depth TVD OSf 4706' TVD 60' No losses observed in original wellbore. Colville 5376' TVD 40' No losses observed in original well bore TKUP 6326' TVD 160' No losses observed in original wellbore Kingak T JE 7976' TVD 30' No losses observed in original wellbore Kingak T JC 8526' TVD 10' Crossed in reservoir section of L-02. Had immediate lost returns and continued losses for remainder of well. The well path for this well has been modified such that this fault will be intersected in the intermediate interval. Management of ECD limitations and preparations for losses are the primary contingencies. Consult the Lost Circulation Decision Tree regarding LCM treatments and procedures prior to drilling the fault intersect at 8526' TVD. ~ Kingak Wellbore Stability: The mud weight required to safely drill the Kingak has been selected based on Kingak Shale Stability analysis which takes into consideration the angle and azimuth the formation will be penetrated. Should wellbore stability be an issue with the selected mud weight, preparations should be in place to increase the mud weight by at least .2ppg initially. ~ KICK TOLERANCE: In the case scenario 8.75 ppg pore pressure at the Sag River depth prior to running 7" casing, gauge hole, a fractu gr dient of 12.0 ppg at the surface casing shoe, 10.8 ppg mud in the hole the kick tolerance i 66 Is. An accurate LOT will be required as well as heightened awareness for kick de ôn. Contact Drilling Manager if LOT is less than 11.6 ppg. (Maximum anticipated ECD of intermediate hole.) ~ There are no "close approach" issues with the intermediate hole interval of L-02A. Reference RPs .:. Standard Operating Procedure for Leak-off and Formation Integrity Tests .:. Prudhoe Bay Directional Guidelines .:. Lubricants for Torque and Drag Management. .:. "Shale Drilling- Kingak & HRZ" L-02A Well Plan AOGCC.doc 8 . . Job 6: Case & Cement Intermediate Hole Hazards and Contingencies » Faulting in the lower Kingak may reduce the ability to lift cement to the desired height. Lead and tail slurries in a two stage job. 15.8 ppg Clas G will be used from TD to 750' above TSAG and 12.5 ppg cement from 200' below the Schrader Obf to 500' above the Schrader Ma will be used to provide zonal isolation. » Ensure the Schrader cement has reached a compressive strength of 500 psi prior to freeze protecting. After freeze protecting the 7" x 9-5/8" casing outer annulus with 62 bbls of dead crude (2200'TVD), the hydrostatic pressure will be less than the 8.5 ppg EMW of the formation. It will be necessary to pump 15 bbl of 12.6 ppg mud ahead of the dead crude to balance the 8.5 ppg formation pressure immediately below the shoe. Record formation breakdown pressure when pumping into the annulus, report breakdown pressure in the morning report. » Ensure a minimum hydrostatic equivalent of 1 0.8 ppg remains on the formation during pumping of cement pre-flushes/chemical washes. Loss of hole integrity and packing off have resulted from a reduction in hydrostatic pressure while pumping spacers and flushes. » Considerable losses during running and cementing the 7" longstring has been experienced on some offset wells. A casing running program will be issued detailing circulating points and running speed. In addition a LCM pill composed of "G-Seal" may be placed across the Schrader and Ugnu to help arrest mud dehydration if hole conditions warrant. » Ensure the 7" casing covers all of the Kingak, It is planned to set the string on slips so we can tag bottom » Change to 7" casing rams and test the BOP doors prior to picking up the casing string. Reference RPs .:. "Intermediate Casing and Cementing Guidelines" .:. "Two Stage and Screw in Surface Casing Cementing" .:. "DS Cement Program" Attached. .:. "Freeze Protecting an Outer Annulus" Job 7: Drill 6-1/8" Production Hole Hazards and Contingencies » Lost circulation from fractures in the Shublik. Maintain offset from faulting as developed in the directional program, stay on the directional program line through the Shublik. If fluid losses and ballooning are observed it will be necessary to hold the planned mud weight and expect flowback and gas from the Shublik while drilling the remaining interval. See the "Operational RP for Hydrocarbon Influx While Drilling the Shublik Formation" document at the end of this drilling program. » There are no close approach issues with the production hole interval on L-02A. » Lost circulation is possible from faulting in the Ivishak. Two faults are anticipated. Both faults were crossed in the original wellbore, albeit 400' to the South of the original wellbore without observed losses. The first is at 11804' MD. This fault has approximately 15' of throw. The second fault at 12,855' has about 15' of throw. The primary risk is that the faults could cause lost circulation. Management of ECD limitations and preparations for losses are the primary contingencies. ~ The kick tolerance is infinite for the 6-1/8" open hole section assuming a kick from Zone 4 at -8860' TVDss. This is based on an 8.8 ppg pore pressure, a minimum fracture gradient of 10.6ppg at the 7" shoe, and 9.0 ppg mud in the hole. ~ Under no circumstances add any LCM (including walnut sweeps and cellulose material) other than calcium carbonate for losses < 50 BPH without prior discussions with the Drilling Engineer/Asset L-02A Well Plan AOGCC.doc 9 . . Production Engineer. Significant mud losses> 50 BPH may include the use of cellulose material to arrest losses. See LCM discussion in MI Mud Program. ~ Expect a certain amount of geo-steering, but significant changes to the planned directional profile should be discussed with the Drilling Manager/Operations Drilling Engineer. ~ There are restrictions concerning adding lubricants to the mud whilst drilling the horizontal hole. lubetex/Flolube concentrations of 2.250/01.75% are approved however the use of EP Mudlube is on an as needed basis if weight transfer issues compromise the drilling of the production hole. A concentrated sweep should be utilized to coat the casing prior to kicking off below the intermediate casing shoe. If sliding issues are encountered while drilling the production hole, the addition of EP Mud lube is approved in .5% additions up to 1.0% after discussion with Anchorage Drilling staff. Consider the use of polymer beads for temporary relief of cased hole torque. Hole Cleaning Table for Production Interval ROP DP RPM Pump GPM Mud Weight Hole Cleaning Condition 50 60 250 9.0 Very good 100 60 250 9.0 Good 150 60 280 9.0 Good 200 75 300 9.0 Fair Reference RPs .:. Lost Circulation Decision Tree .:. "Operational RP for Hydrocarbon Influx While Drilling the Shublik Formation"" Job 9: Case and Cement Production Hole Hazards and Contingencies » Differential sticking and sand collection in low segments of the hole are risks. The mud system will be approximately 180 psi over balance to the Ivishak formation with 9.0 ppg FloPro. Minimize the time the pipe is left stationary while running the liner and circulate thoroughly prior to POOH for the liner. » The undulations in this wellplan may cause difficulty running the liner to bottom. Placement of the liner running pill prior to POOH should help to produce a slick and clean hole. » A 450' liner lap will be required on this well in order to provide additional isolation in the event a "top down" squeeze is required due to a failed/poor production liner cement job. Cement isolation from the original L-02 production wellbore is "CRITICAL" to prevent water encroachment. Reference RPs .:. "Running and Cementing a Liner Conventionally" Job 10: DPC Perforate Well Hazards and Contingencies » The Ivishak interval of the well will be TCP perforated prior to running the completion. After placing a KCL brine perf pill weighted to 9.0 ppg the well will be perforated across a 8.75 ppg EMW reservoir for L-02A Well Plan AOGCC.doc 10 . . an overbalance of 140 psi. Be prepared for losses upon firing guns. Ensure all responsibilities are clearly communicated with respect to perforating guns safety. Watch hole fill closely while POH with perf guns. ~ The Asset will provide a minimum clean out depth. This will define how far off depth the guns can be and still be fired without coming out of the hole to perform a clean out trip in the event the guns cannot reach the landing collar due to cement/fill. Reference RPs .:. DPC Perforating RP .:. Schlumberger DPC Perforating Guidelines Job 12: Run Completion Hazards and Contingencies ~ Watch hole fill closely and verify proper safety valves are on the rig floor while running this completion. ~ Shear valves have been failing at lower than the 2500 psi differential pressure. When testing the annulus maintain no more than a 1500 psi differential: 2000 psi tubing pressure, 3500 psi annulus pressure. Avoid cycling pressure (pumping up and bleeding off) prior to activating shear valve as this is thought to cause shearing at lower pressures. ~ Well Integrity: The well will have an open production interval with an B.75 ppg EMW formation pressure. The annulus above the packer will be tested to 3500 psi to verify packer/annulus integrity. The well will have a RHC plug installed in the lower XN with kill weight brine above. A ball and rod will be on seat at rig release. A second annulus valve will be in place on the tubing spool flange prior to completion operations. (This valve will be removed after RDMO. A VR plug will be installed in tubing spool outlet prior to RDMO.) A VR plug will be installed in the casing annulus outlet (7''x 9-5/B'? to meet the Double Barrier" standard. A TWC will be installed and tested from below to 1000 psi for 30 minutes prior to nippling down the BOP's. Reference RPs .:. Completion Design and Running .:. Freeze Protection of Inner Annulus Job 13: ND/NUlRelease Ria Hazards and Contingencies .~ No hazards specific to this well have been identified for this phase of the well construction. Reference RPs .:. Freeze Protection of Inner Annulus L-02A Well Plan AOGCC.doc 11 L-02 Current Completion I 9-5/8", 40#/ft, L-80, BTC I 2581' I BAKER 5" x 7" Baker Liner Tie Back Sleeve ZXP Liner Top Packer 'HMC' Hydraulic Liner Hanger I 9779' I I 9954 I 7", 26 #/ft, L80, BTC-Mod Date 7/15/04 TREE: FMC 4-1/16" 5M WELLHEAD: FMC Gen 5 System 11", 5M csg.head wI 7" mandrel hanger & packoff 11" x 11", 5M, tbg spool wI 11" x 4-1/2" tubing hanger 11" X 4-1/16" Adaptor Flange 4-1/2" 'X' Landing Nipple with 3.813" seal bore. I 2116' I 4-1/2" Camco Gas Lift Mandrels with handling pups installed. GAS LIFT MANDRELS MD Size 9593 1 " 9031 1 " 8263 1 " 7247 1 " 5939 1" 4263 1 " 3005 1 " # 7 6 5 4 3 2 1 Valve T e DMY S/O? OK-1 OK-1 OK-1 OK-1 OK-1 PRODUCTION TUBING DETAILS 4-1/2", 12.60 Ibltt, L-80, 1ST Coupling 00: 4.932" Orift/IO: 3.833"/3.958" 4-1/2" 'X' Landing Nipple with 3.813" seal bore. 9661 7" x 4-1/2" Baker 'S-3' Production Packer 9724 4-1/2" 'X' Landing Nipple with 3.813" seal bore. 9747 4-1/2" 'X' Landing Nipple with 3.813" seal bore. 9768 Rev By Comments N. Magee Current Completion 4-1/2" Mule-Shoe Guide spaced into 4-1/2" liner tie-back sleeve. 9780 slotted liner from: 13,570-12,774; 12,571-12,370; 12,287-11,525; 11,317-10,875; 4-1/2" 12.6 #/ft, L-80, IBT slotted liner I 13572' I Slotted liner G WELL: L-02 API NO: 50-029-23048-00 L-02 Proposed Abandonment WELLHEAD: FMC Gen 5 System 11", 5M csg.head wI 7" mandrel hanger & packoff 11" x 11", 5M, tbg spool wI 11" x 4-1/2" tubing hanger 11" X 4-1/16" Adaptor Flange 9-5/8", 40#/ft, L -80, BTC I 2581' I KOP Details 17.0 ppg Class G cement plug placed from 2670' to 2300' 7" casing cut and recovered from 2670' 7" EZSV set at 2690' / Production Zone Isolation Details Slotted liner will be isolated from 10875' to 9950' with 15.8 ppg Class G cement via squeeze through EZSV set at 9450'. I 9954 I 1" 7" EZSV set at 9450' and tested ,/ to 3500 psi 4-1/2" tubing cut at 9500' Baker Liner Tie Back Sleeve ZXP Liner Top Packer 'HMC' Hydraulic Liner Hanger 4-1/2" 'X' Landing Nipple with 3.813" seal bore. 9661 7" x 4-1/2" Baker'S-3' Production Packer 9724 4-1/2" 'X' Landing Nipple with 3.813" seal bore. 9747 4-1/2" 'X' Landing Nipple with 3.813" seal bore. 9768 I 9779'1 Slotted liner from: 13,570-12,774; 12,571-12,370; 12,287- 11,525; 11,317-10,875; 7", 26 #/ft, L80, BTC-Mod I 13572' I 4-1/2" 12.6 #/ft, L -80, IBT slotted liner Date 8/5/04 Rev By Comments N. Magee Proposed Abandonment G WELL: L-02 API NO: 50-029-23048-00 I TREE: FMC 4-1/16" 5M WELLHEAD: FMC Gen 5 System 11", 5M csg.head wI 7" mandrel hanger & packoff 11" x 11", 5M, tbg spool wI 11" x 4-1/2" tubing hanger 11" X 4-1/16" Adaptor Flange L-02A Proposed Completion 9-5/8", 40#1ft, L-80, BTC (existing) I 2581' I BAKER 5" x 7" Baker Liner Tie Back Sleeve ZXP Liner Top Packer 'HMC' Hydraulic Liner Hanger I 9793' I 1102431 7",26 #/ft, L80, BTC-Mod Date 7/29104 3-1/2" 'X' Landing Nipple with 2.813" seal bore. 1800'TVD I 3-1/2" Camco MMG Gas Lift Mandrels with handling pups GAS LIFT MANDRELS rvÐ Size # 8 7 6 5 4 3 2 1 Valve T e 8450 7900 7400 6600 5500 4000 2970 2000 1.5" 1.5" 1.5" 1.5" 1.5" 1.5" 1.5" 1.5" PRODUCTION TUBING DETAILS 3-1/2", 9.20 Ib/ft, L-80, 1ST Coupling 00: Drift/ID: " 3-1/2" 'HES BHG with tech wire. 3-1/2" 'X' Landing Nipple with 2.813" seal bore. 7" x 4-1/2" Baker 'S-3' Production Packer 3-1/2" 'X' Landing Nipple with 2.813" seal bore. 3-1/2" 'X' Landing Nipple with 2.813" seal bore. 4-1/2" Mule-Shoe Guide spaced into 4-1/2" liner tie-back sleeve. Rev By Comments N. Magee Proposed Completion P3 4-1/2" 12.6 #Ift, L-80, IBT liner at 13,237' Cemented liner G WELL: L-02A API NO: 50-029-23048-00 . . L-02A Well Summary of Drillina Hazards Decompletion Section: · Well will have kill weight fluid above the open perforation interval and a BPV installed in the tubing hanger during nipple up. Closely monitor well for any signs of flow during the nipple up and tubing recovery stage. · Following the 7" casing cut operation, dead crude will be in the 9-5/8" x 7" casing annulus. The well will be out of balance during this stage and a secondary annulus valve and choke will need to be installed on the wellhead spool to regulate displacement of dead crude into cuttings tank. Intermediate Hole Section: · There are five faults expected in the intermediate hole section. Fault Location Depth TVD Est Throw Comments OBf 4706' TVD 60' No losses observed in original wellbore. Colville 5376' TVD 40' No losses observed in original well bore TKUP 6326' TVD 160' No losses observed in original wellbore Kingak TJE 7976' TVD 30' No losses observed in original well bore Kingak T JC 8526' TVD 10' Crossed in reservoir section of L-02. Had immediate lost returns and continued losses for remainder of well. The well path for this well has been modified such that this fault will be intersected in the intermediate interval. · The intermediate hole section will be drilled initially with a 9.4 ppg mud weight, weighted / up to 9.7 ppg prior to the Kuparuk interval and increased to 10.8 ppg prior to reaching the Kingak shale. The elevated mud weight is necessary to stabilize the Kingak shale according to the azimuth and inclination of the wellbore. · Tight hole, hole packing-off, and lost returns have been encountered in previous wells on this pad. Pipe sticking tendency is possible if the HRZ or Kingak shales gives problems. Back reaming at connections and good hole cleaning practices and close monitoring of PWD data will contribute to favorable hole conditions. Production Hole Section: o Two faults are expected to be encountered. The first at 11604' with a throw of 15' and the second at 12855' with a throw of 15'. Significant losses are not expected. HYDROGEN SULFIDE - H2S --. . This drill-site l1Qt designated as an H2S drill site. Recent wells test indicate less than 10ppm H2S. As a precaution, Standard Operating Procedures for H2S precautions should be followed at all times. L-02A Well Plan AOGCC.doc 12 Feaslbll L-02A (P3) Proposal Survey I DLS Computation Method: Vertical Section Azimuth: Vertical Section Origin: TVD Reference Datum: TVD Reference Elevation: Sea Bed I Ground Level Elevation: Magnetic Declination: Total Field Strength: Magnetic Dip: Declination Date: Magnetic Declination Model: North Reference: Total Corr Mag North·) True North: Local Coordinates Referenced To: Schlumberger Report Date: Client: Field: Structure / Slot: Well: Borehole: UWUAPI#: Survey Name / Date: Tort / AHD / DDII ERD ratio: Grid Coordinate System: Location Lat/Long: Location Grid NlE YIX: Grid Convergence Angle: Grid Scale Factor: JUly 21, 2004 BP Exploration Alaska Prudhoe Bay Unit· WOA L·PAD / L·02 L·02 Plan L·02A 500292304801 L·02A (P3) / July 21,2004 157,611' /7582.24 ft /6.246/ 0,844 NAD27 Alaska State Planes, Zone 04, US Feet N 70.35054668, W 149.32567950 N 5978248,110 ftUS, E 583054.640 ftUS -<{j,63505650' 0.99990784 stu Y Minimum Curvature / Lubinski 284,820' N 0,000 ft, E 0.000 ft Rotary Table 76.50 It relative to MSL 48.00 It relative to MSL 24,805' 57574.946 nT 80.829' September 25, 2004 BGGM 2003 True North +24.805' Well Head . Comments Tie·ln Survey Cry 3/100 3000.00 19.97 295,77 2897.59 2974.09 262,10 305.23 172.74 ·225.42 3.00 ·11,88G 2.93 -2,11 5978418,32 582827.34 N 70,35101858 W 149.32750950 3100,00 22,91 294,18 2990.66 3067.16 298.09 341,78 188.14 ·258.57 3.00 ·10.40G 2.94 -1,59 5978433.35 582794.03 N 70,35106065 W 149.32777860 3200,00 25,87 292.94 3081,72 3158.22 338.90 383,08 204.62 -296.43 3,00 -9,27G 2,96 -1,24 5978449.41 582755,99 N 70.35110567 W 149,32808597 3300.00 28.84 291.94 3170.53 3247.03 384.44 429.02 222,14 ·338,90 3.00 -8.38G 2.96 -1.00 5978466.46 582713,33 N 70,35115352 W 149.32843075 3400.00 31.81 291.11 3256,85 3333,35 434.58 479.50 240.64 -385,86 3,00 ·7.66G 2,97 -0.83 5978484.44 582666,17 N 70.35120406 W 149,32881202 3500.00 34.78 290.41 3340.42 3416,92 489,17 534.38 260,08 -437.19 3.00 -7,08G 2.98 -0,70 5978503,31 582614.64 N 70.35125716 W 149.32922872 3600,00 37,76 289.80 3421.04 3497.54 548.07 593.54 280.40 -492.74 3.00 ·6.59G 2.98 -0,60 5978523.01 582558.87 N 70,35131268 W 149.32967972 End Cry 3638,21 38,90 289.59 3451,01 3527,51 571.68 617.23 288,39 -515.05 3,00 O.OOG 2,98 -0.55 5978530.75 582536.4 7 N 70,35133450 W 149.329. Ma 4118.75 38,90 289.59 3825.00 3901.50 872.39 918,99 389.59 -799.33 0.00 O,OOG 0.00 0.00 5978628.78 582251.12 N 70,35161089 W 149.332 Na 4478.53 38.90 289,59 4105.00 4181.50 1097.53 1144.91 465.36 -1012,17 0.00 O.OOG 0,00 0.00 5978702.18 582037.47 N 70.35181781 W 149.333 OA 4677,70 38.90 289.59 4260.00 4336.50 1222.16 1269.98 507,30 -1129.99 0.00 O.OOG 0.00 0.00 5978742.81 581919.20 N 70.35193234 W 149.33485342 OBd 4953.95 38.90 289.59 4475.00 4551.50 1395,03 1443.45 565.48 ·1293.42 0.00 O,OOG 0.00 0.00 5978799,16 581755.15 N 70.35209120 W 149.33618032 OBf Base 5127.42 38.90 289.59 4610.00 4686.50 1503,58 1552.38 602.01 ·1396,04 0.00 O.OOG 0.00 0.00 5978834.55 581652.14 N 70,35219095 W 149.33701351 Fault Crossing 5153.12 38,90 289.59 4630.00 4706.50 1519.66 1568.52 607.42 ·1411,24 0.00 O.OOG 0,00 0.00 5978839.79 581636.88 N 70,35220573 W 149,33713694 Fau/t Crossing 6014.02 38.90 289.59 5300.00 5376,50 2058.39 2109,12 788.72 -1920.54 0.00 O.OOG 0,00 0.00 5979015.42 581125.66 N 70.35270071 W 149.34127212 Top HRZ 6996.99 38.90 289.59 6065.00 6141,50 2673.50 2726.37 995.72 -2502.05 0.00 O.OOG 0,00 0.00 5979215.95 580541,95 N 70.35326576 W 149,34599387 Fau/t Crossing 7234,70 38.90 289.59 6250.00 6326.50 2822.25 2875.64 1045.78 ·2642.67 0.00 O.OOG 0.00 0.00 5979264.44 580400.79 N 70.35340238 W 149.34713577 Top Kupark 7568.78 38.90 289.59 6510.00 6586.50 3031,31 3085.43 1116.13 ·2840,31 0.00 O.OOG 0,00 0.00 5979332.59 580202.40 N 70,35359439 W 149,34874063 Cry 3/100 8021,72 38.90 289.59 6862.50 6939,00 3314,75 3369.85 1211.52 -3108,26 0,00 -124.47G 0,00 0,00 5979424.99 579933.44 N 70,35385468 W 149,35091650 TMLV 8082.32 37.89 287.15 6910.00 6986.50 3352.31 3407.49 1223.39 -3143,97 3,00 ·122.55G -1.66 -4.03 5979436.47 579897.60 N 70.35388707 W 149.35120651 WellDesign Ver 3.1 RT-SP3,03-HF4,OO BJd( d031 rt-546 ) L-02\L-02\Plan L-02A\L-02A (P3) Generated 7/21/20041:19 PM Page 1 of 3 Comments End Cry Top Kingak TJF Fault Crossing TJE 9443.37 37.48 286.08 7990.00 8066.50 4180.39 4235.78 1452,93 -3939.82 0,00 O,OOG 0.00 0.00 5979657.15 579099.33 N 70,35451312 W 149,35766928 TJD 9594.59 37.48 286.08 8110.00 8186.50 4272.39 4327.80 1478.41 4028.24 0.00 O.OOG 0,00 0.00 5979681.65 579010.64 N 70.35458261 W 149.35838732 Cry 4/100 9863,84 37.48 286.08 8323,66 8400.16 4436.19 4491.64 1523.79 -4185.67 0.00 -137,89G 0.00 0,00 5979725,27 578852.73 N 70.35470634 W 149,35966581 9900.00 36.42 284.44 8352.55 8429,05 4457,93 4513,37 1529.51 -4206.64 4,00 -136.58G -2.94 -4.52 5979730.76 578831 .70 N 70,35472194 W 149,35983608 TJC 9942.47 35.20 282.42 8387.00 8463.50 4482.77 4538.22 1535.29 4230.81 4.00 -134.94G -2.87 4.77 5979736,27 578807.48 N 70.35473769 W 149.36003234 10000.00 33.61 279.48 8434.46 8510.96 4515,19 4570.72 1541.48 -4262.71 4,00 -132.51G -2,77 -5.12 5979742.11 578775.51 N 70.35475455 W 149.36_ Fault Crossing 10018.60 33.11 278.47 8450.00 8526.50 4525.37 4580.95 1543.07 4272,81 4.00 -131.67G -2.68 -5.40 5979743.59 578765.39 N 70.35475889 W 149,360 TJB 10042,39 32,49 277.15 8470.00 8546,50 4538,16 4593.84 1544.83 4285.58 4.00 -130.56G -2.63 -5.56 5979745,20 578752.60 N 70.35476366 W 149.36 10100,00 31.03 273,75 8518.98 8595.48 4568.07 4624,15 1547.72 -4315,75 4.00 -127.67G -2.52 -5,90 5979747,76 578722.41 N 70,35477153 W 149,36072214 TJA 10133.72 30.23 271.63 8548.00 8624,50 4584.86 4641.33 1548.53 4332.91 4.00 -125.84G -2.39 -6.29 5979748,38 578705.24 N 70.35477371 W 149.36086147 End Cry 10143.43 30.00 271.00 8556,39 8632.89 4589.60 4646.20 1548.65 -4337,78 4.00 O,OOG -2.33 -6.49 5979748.44 578700.37 N 70,35477401 W 149.36090100 Top Sag River 10243.42 30.00 271.00 8642.99 8719.49 4638.15 4696.20 1549.52 4387.77 0.00 O.OOG 0.00 0.00 5979748.76 578650,38 N 70.35477631 W 149.36130689 7" Csg pt 10243,43 30.00 271.00 8643.00 8719.50 4638.15 4696.20 1549,52 -4387.77 0.00 O,OOG 0.00 0.00 5979748.76 578650,38 N 70.35477631 W 149.36130693 10243.44 30.00 271.00 8643.01 8719.51 4638.16 4696.21 1549,52 4387,78 0,00 O,OOG 0.00 0.00 5979748.76 578650,37 N 70.35477631 W 149.36130698 Cry 17/100 10265.98 30,00 271,00 8662,53 8739,03 4649,10 4707.48 1549,71 -4399.05 0.00 176.61G 0.00 0.00 5979748,83 578639.10 N 70,35477683 W 149.36139847 Top Shublik 10291.40 25.69 271,59 8685,00 8761.50 4660.64 4719.35 1549.98 -4410,91 17.00 176.09G -16,97 2.32 5979748.96 578627.24 N 70.35477754 W 149,36149482 10296.24 24.87 271.72 8689.37 8765.87 4662.65 4721.41 1550.04 -4412.98 17,00 O,OOG -16.96 2,76 5979749,00 578625.17 N 70.35477770 W 149.36151160 10296.60 24.87 271,72 8689,70 8766.20 4662.80 4721.56 1550,04 -4413,13 0.00 1,14G 0.00 0.00 5979749.00 578625.02 N 70,35477771 W 149,36151282 10300,00 25.44 271,75 8692.78 8769.28 4664,21 4723,01 1550.09 -4414.58 17,00 1,12G 17.00 0,79 5979749,03 578623.57 N 70.35477782 W 149,36152456 10400.00 42.44 272.23 8775.43 8851.93 4718.46 4778.64 1552,07 -4470.17 17,00 0.71G 17.00 0.48 5979750.40 578567,96 N 70,35478316 W 149.36197600 TElL 10475.49 55.28 272.42 8825.00 8901.50 4773.86 4835.38 1554.38 -4526.86 17.00 O,58G 17.00 0.25 5979752,08 578511.26 N 70.35478938 W 149,36243629 10500,00 59,44 272.47 8838.21 8914,71 4794,01 4856,01 1555.27 -4547.47 17.00 0.56G 17.00 0.20 5979752.74 578490,64 N 70.35479176 W 149.36260368 TSAD 10549.05 67.78 272.56 8860.00 8936.50 4836.91 4899.92 1557,20 4591.34 17,00 0.52G 17.00 0.18 5979754,18 578446,76 N 70.35479696 W 149,36295983 10600.00 76.44 272,64 8875.63 8952,13 4884.24 4948.35 1559,39 -4639,72 17.00 0.49G 17,00 0.16 5979755.84 578398.36 N 70,35480288 W 149.36335273 45N 10621.47 80,09 272.67 8880.00 8956.50 4904.79 4969.37 1560,37 4660.72 17.00 0.49G 17.00 0.15 5979756.58 578377.36 N 70,35480551 W 149.36352321 Tgt 1/ Cry 6/100 10675.41 89,26 272.75 8885.00 8961,50 4957,25 5023,02 1562,91 -4714,31 17.00 90.79G 17.00 0,14 5979758,53 578323.75 N 70,35481235 W 149.363. 45P 10676.18 89.26 272.80 8885.01 8961,51 4958.00 5023.79 1562.94 4715.08 6,00 90.79G -0.08 6.00 5979758,56 578322.97 N 70.35481245 W 149,363 End Cry 10678.58 89,26 272.94 8885.04 8961.54 4960,35 5026,19 1563,06 -4717.47 6.00 O,OOG -0.08 6.00 5979758,65 578320.58 N 70.35481277 W 149,36398 06 Cry 6/100 11302,65 89.26 272.94 8893.13 8969.63 5571.00 5650.21 1595.07 -5340,67 0,00 106.51G 0.00 0,00 5979783.75 577697.13 N 70.35489908 W 149,36904442 Tgt2 11347,13 88,50 275,50 8894,00 8970,50 5614,71 5694.68 1598,34 -5385.02 6.00 90,52G -1.70 5.75 5979786,53 577652,75 N 70.35490793 W 149.36940454 End Cry 11391.21 88.48 278. 15 8895.16 8971.66 5658.34 5738,74 1603,58 -5428.76 6.00 O,OOG -0.05 6.00 5979791,27 577608,95 N 70.35492214 W 149,36975976 Cry 6/100 11671,31 88.48 278.15 8902.60 8979.10 5936.44 6018,74 1643.25 -5705,94 0.00 -31.85G 0.00 0,00 5979827,87 577331.38 N 70.35502996 W 149,37201061 11700.00 89.94 277,24 8903.00 8979.50 5964.91 6047.43 1647,09 -5734.37 6,00 -31,83G 5,10 -3.17 5979831.39 577302,91 N 70,35504039 W 149,37224150 Tgt3 11701.17 90.00 277.20 8903,00 8979,50 5966.07 6048.60 1647,24 -5735.53 6,00 -3,19G 5,10 -3,16 5979831 ,53 577301.75 N 70.35504079 W 149,37225092 End Cry 11770.48 94,15 276.97 8900.49 8976.99 6034,68 6117,85 1655.78 -5804.25 6.00 O.OOG 5.99 -0,33 5979839.30 577232.95 N 70.35506397 W 149.37280896 Fault Crossing 11804.87 94,15 276.97 8898.00 8974,50 6068.66 6152,15 1659.94 -5838.29 0.00 O.OOG 0.00 0.00 5979843.09 577198.86 N 70.35507527 W 149.37308543 Cry 6/100 12365.10 94.15 276,97 8857,43 8933,93 6622.18 6710.91 1727.72 -6392.93 0,00 104.78G 0.00 0,00 5979904.72 576643.56 N 70,35525922 W 149,37758944 12400.00 93.62 279,00 8855,07 8931,57 6656.76 6745.73 1732.56 -6427.41 6.00 104.92G -1.54 5,81 5979909,17 576609.03 N 70.35527235 W 149,37786946 12500,00 92.05 284.80 8850.12 8926.62 6756.46 6845,60 1753.14 -6525,10 6.00 105.20G -1.56 5,80 5979928.67 576511.13 N 70,35532835 W 149,37866281 Well Design Ver 3,1 RT-SP3.03-HF4.00 Bld( do31 rt-546 ) L-02IL-02IPlan L-02AIL-02A (P3) Generated 7/21/20041:19 PM Page 2 of 3 Comments End Cry Fault Crossing TSAD TD /4-1/2" Lnr 12576.58 12855.11 13090.16 13237,07 289.39 289.39 289,39 289,39 8847.48 8838.00 8830,00 8825.00 91.95 91.95 91.95 91.95 Leqal DescriDtion: Surface: 2528 FSL 3860 FEL S34 T12N R11 E UM Tie-In: 2527 FSL 3859 FEL 534 T12N R11 E UM Tgt 1: 4089 FSL 3291 FEL S33 T12N R11E UM Tgt 2: 4124 FSL 3962 FEL 533 T12N R11E UM Tgt 3: 4173 FSL 4312 FEL S33 T12N R11E UM Tgt 4: 4279 FSL 5105 FEL S33 T12N R11 E UM TD / BHL: 4519 FSL 517 FEL 532 T12N R11E UM WellDesign Ver 3,1 RT-SP3.03-HF4.00 Bld( do31 rt-546 ) 8923,98 8914.50 8906.50 8901,50 6832,91 7110.40 7344,57 7490.92 Northinq IV! rftUS] 5978248,11 5978247,64 5979758.53 5979786,53 5979831,53 5979929,53 5980162.53 6922,13 7200.50 7435.42 7582.24 1775,63 1868.03 1946,01 1994.75 -6598.23 -6860.81 -7082.41 -7220.91 Eastinq ¡X! rftUS] 583054.64 583055.39 578323.75 577652.75 577301.75 576507.75 575812.75 L-02IL-02IPlan L-02AIL-02A (P3) 6,00 0.00 0.00 0.00 O.OOG O.OOG O.OOG O.OOG -0,07 0.00 0.00 0,00 6.00 0.00 0,00 0.00 5979950,34 5980039.82 5980115.33 5980162,53 576437,76 576174.19 575951.76 575812.75 N 70.35538960 W 149.37925679 N 70.35564140 W 149.38138967 N 70.35585387 W 149.38318965 N 70.35598666 W 149,38431465 . e Generated 7/21/2004 1:19 PM Page 3 of 3 4800 e- o 0 N ~ g ~ II Q) 6000 ~ en 0 > I- 2400 3600 7200 8400 WELL Magnetic Parameters Model: BGGM 2003 L-02A (P3) Dip: 80.829" Mag Dee: +24.805' o FIELD Schlumberger Prudhoe Bay Unit - WOA STRUCl\JRE L-PAD SurfaœLocation Date: September 25, 2004 Lilt: N70211.968 FS: 57574.9nT Lon: W1491932.446 1200 2400 \-02PBI 1 \:'~, ~ \"\ \ " \' ~ ... L ._..~L .......:'11" ~ase o \<:"-,. .\:\.:'...~:::../ '\ pH ~.._oo_ ~( ,,'_'_"_00 ~. \.......... NAD27 Alaska Slate Planes. Zone04, US Feet Northing: 5978248.11fWS GridConv: +0.63505650' Easüng: 583054.64 RUS Scale Fact; 0.999907836 Miscellaneous Slot: l-02 Plan: L-02A (P3) 3600 6000 TVO Ref: RotaIY Table (76.50 It above MSl) SrvyDate: July21,2004 7200 4800 Cry 3/100 End Cry '\ '\, "I1P I<lngak '\V "_00_"_"- "'.. Ci.v4l100 ",-"-"-" :'~ End Cry ":;:jii:::·:::.. ..:.. .:;t-"-'Tår>'¡""-~~~~~~ lr. ....,'-"... "_"_'._00 ,_ oJ, ",.rX.. ~y .."''('I...~o''... .:tJBrJ...-..~ -..-..-..-. "_"_00_""',\00 _"_"_00- 10"-;' ,._..-/,þld{;rx,C ,ø.Crx._.. . , ,";';'~hü6íi . "_"_00_"_.'_' ': "_"_00." y" <li 1.'\ ,v'_oo_oo_.._.._.._.. 00_"_"_"- .or ,/' OJ ". :Z<,~ I \¡ 7" Cag PI Cry 6/100 ~¡'..,. . : Cry 17/100 Tgt 2 End Cry FrUit Crossing Fault crossln9j 1200 2400 3600 4800 6000 Vertical Section (ft) Azim = 284.82°, Scale = 1(in):1200(ft) Origin = 0 Nt-S, 0 E/-W ._,,/._00 Ý '/ L·02 " lD 14-1/2" Lnr 7200 8400 8400 2400 . 3600 4800 6000 e 7200 8400 Schlumberger WELl L-02A (P3) FIELD Prudhoe Bay Unit - WOA STRUCTURE L.P AD - - - - M:;"neticParam:--- - StrfaceLocalion NAD27 Alaska state Planes, Zone 04, US Feet I""""""'"' Model; BGGM2003 Dip; SQ.829' Date: September25'~ N70211.968 Northing: 5978248.11 nus Grid C<lnv: +0.63505650' Slot: L.o2 TVD Ref: Rota!)' Table (76.50 n aboYe MSL) Mag Dee: +24.805'_ FS: 57514.9nT Lon: W1491932.446 ~ 583054.64ftUS Scala Fact 0.999907836 PIa~2A(P3) ~ - - -7000 -6000 -5000 -4000 -3000 -2000 -1000 0 . . 3000 -1000 2000 1000 o ¡ .N~ , , ":':::::~ ",-,- , ,:'::. ", - _'0::. : .n':;:: -:V4· · , : \,,-,:0 : ,.' ". , U"",_ /.,." · . · , · . · . · . · . · . .......... ,..,.................................. , . , . , . · . · . , , · , · . · . · . · . · . , . , . , . · . · . · . · . , , · . · . · . · . · . , . , , , . , , , , , . , . , . · . · . · . r· ...--- .--... ·r .....- OBI ¡ ¡ ._n'-I---r- ..- t --1" ~rv 3/100 :rie-In Survey ] o -1000 Faul crY 4/100 ¡ ..,.. ....,...........~.., "'T ¡ FauR crotin, ¡ 'f I Faul' . I *[--=1 · . . · . . · . . · . . · . . · . . · . . ' . , ' . . · , , ' . , · . . ' . . · . . · . . -¡-If -5000 -4000 -3000 <<< W Scale = 1(in):1000(ft) E >>> '...............-:-.... ..O'H¥H. l-o: -2000 TSAO ¡ ,,,,,¡¡, l' ~ ~ j I : : I I .'....0:....................................; ¡ i ~ -6000 -7000 3000 2000 1000 o -1000 ^ ^ ^ z ~ Õ o o ~ ê ::::- ~ II Q) c;¡ () en en v v v . Schlumberger Anticollision Report . NO GLOBAL SCAN: Using user defined selection & scan criteria Interpolation Method: MD Interval: 50,00 ft Depth Range: 2650.00 to 13237.07 ft Maximum Radius: 10000.00 ft Reference: Error Model: Scan Method: Error Surface: Principal Plan & PLANNED PROGRAM ISCWSA Ellipse Trav Cylinder North Ellipse + Casing Survey Program for Definitive WeIIpath Date: 7/21/2004 Validated: No Planned From To Survey ft ft 169.20 169.20 250.66 2593.87 2593.87 3000.00 2593,87 13237.07 Version: 2 Toolcode Tool Name L-02PB1 Gyro (169,20-169.20) (0) L-02PB1I1FR (250.66-13273.37) (0) Planned: Plan #3 V1 Planned: Plan #3 V1 CB-GYRO-SS MWD+IFR+MS MWD MWD+IFR+MS Camera based gyro single shots MWD + IFR + Multi Station MWD - Standard MWD + IFR + Multi Station Casing Points PB L Pad L-01 L-01 V14 2665.59 3100.00 1335.07 35,75 1299.33 Pass: Major Risk PB L Pad L-01 L-01 L 1 V2 Plan: Plan # 2665,59 3100.00 1335.07 35.81 1299.26 Pass: Major Risÿ/ PB L Pad L-02 L-02 V1 2994.31 3000.00 3.13 42.54 -39.41 FAIL: Major Ris PB L Pad L-02 L-02PB1 V21 2994.31 3000.00 3.13 42.55 -39.41 FAIL: Major Risk PB L Pad L-101 L-101 V4 2674.07 2850.00 741.81 41.33 700.48 Pass: Major Risk PB L Pad L-102 L-102 V2 2650.00 4250.00 2979.49 37.78 2941.71 Pass: Major Risk PB L Pad L-102 L-102PB1 V10 Out of range PB L Pad L-102 L-102PB2 V2 Out of range PB L Pad L-103 L-103 V23 2650.00 3300.00 1664.90 39.03 1625.86 Pass: Major Risk PB L Pad L-104 L-104 V7 2650.00 3750.00 2206.55 36.97 2169,58 Pass: Major Risk PB L Pad L-105 L-105 V4 2661.61 3200,00 1539.99 36.71 1503.27 Pass: Major Risk PB L Pad L-106 L-106 V14 2651.31 2850.00 887.77 35.56 852.20 Pass: Major Risk PB L Pad L-107 L-107 V14 2650.00 3650.00 2146.13 37.82 2108.30 Pass: Major Risk PB L Pad L-108 L-108V18 2665.32 3000.00 1075.64 36.99 1038.66 Pass: Major Risk PB L Pad L-109 L-109 V12 2667.75 3000.00 1165.29 37.97 1127.32 Pass: Major Risk PB L Pad L-110 L-110V11 2651.32 3150.00 1404.64 39.24 1365.40 Pass: Major Risk PB L Pad L-111 L-111 V24 4093.30 4250.00 1010,67 63.03 947.64 Pass: Major Risk PB L Pad L-112 L-112V8 2654.20 2850.00 798.75 37.84 760.90 Pass: Major Risk PB L Pad L-114 L-114V15 7899.58 7950.00 196.27 163.76 32.51 Pass: Major Risk PB L Pad L-114 Plan L-114A V1 Plan: P 2676.44 2700,00 219.34 36.44 182.89 Pass: Major Risk PB L Pad L-115 L-115V7 2675.90 2750.00 406.73 38.10 368.63 Pass: Major Risk PB L Pad L-116 L-116V10 2698.49 2750.00 183.36 38.06 145.30 Pass: Major Risk PB L Pad L-117 L-117V11 2675.64 3050.00 1176.91 40.32 1136.59 Pass: Major Risk PB L Pad L-118 L-118V9 2650.13 3250.00 1561.60 38.99 1522.61 Pass: Major Risk PB L Pad L-119 L-119V9 2659.70 3100,00 1390.30 40.77 1349.53 Pass: Major Risk PB L Pad L-120 L-120 V8 2661.82 3350.00 1838.66 39.69 1798.97 Pass: Major Risk PB L Pad L-121 L-121 V14 2651.60 4100.00 2730,60 41.22 2689.38 Pass: Major Risk PB L Pad L-121 L-121A V1 2653.75 4050.00 2677.25 41.45 2635.80 Pass: Major Risk PB L Pad L-122 L-122 V5 2747.14 3150.00 1418.84 38.77 1380.07 Pass: Major Risk PB L Pad L-200 L-200 V7 2660.46 3750.00 2339.74 40.17 2299.57 Pass: Major Risk PB L Pad L-200 L-200L 1 V3 2660.46 3750.00 2339.74 40.17 2299.57 Pass: Major Risk PB L Pad L-200 L-200L2 V6 2660.46 3750.00 2339.74 40.17 2299.57 Pass: Major Risk PB L Pad L-200 Plan L-200L3 OA V1 Pia 2660.46 3750.00 2339.74 40,39 2299.35 Pass: Major Risk PB L Pad L-200 Plan L-200L3PB1 OA V4 2660.46 3750,00 2339.74 40.28 2299.46 Pass: Major Risk PB L Pad L-201 L-201 V6 2670.35 3200.00 1677.14 40.44 1636.70 Pass: Major Risk PB L Pad L-201 L-201L 1 V9 2670.35 3200.00 1677.14 40.44 1636.70 Pass: Major Risk PB L Pad L-201 L-201L1PB1 V10 2670,35 3200.00 1677,14 40.44 1636.70 Pass: Major Risk PB L Pad L-201 L-201L2 V5 2670.35 3200.00 1677.14 40.44 1636.70 Pass: Major Risk PB L Pad L-201 L-201L3 V2 2670.35 3200.00 1677.14 40.44 1636.70 Pass: Major Risk PB L Pad L-201 L-201L3PB1 V6 2670.35 3200.00 1677.14 40.44 1636.70 Pass: Major Risk . Schlumberger Anticollision Report . PB L Pad L-201 L-201PB1 V12 2670.35 3200.00 1677.14 40,44 1636.70 Pass: Major Risk PB L Pad L-201 L-201 PB2 V3 2670.35 3200.00 1677.14 40.44 1636.70 Pass: Major Risk PB L Pad L-210 L-210 V6 2650.00 5450.00 4376.59 39.12 4337.47 Pass: Major Risk PB L Pad L-210 L-210PB1 V8 2650.00 5450.00 4376.59 39.19 4337.40 Pass: Major Risk PB L Pad L-211 L-211 V6 2664.55 3550.00 1893.62 38.60 1855.02 Pass: Major Risk PB L Pad L-211 L-211PB1 V6 2664.55 3550.00 1893.62 38.60 1855.02 Pass: Major Risk PB L Pad L-216 L-216 V6 2662.85 3900.00 2556.48 39.57 2516.91 Pass: Major Risk PB L Pad NWE1-01 L-100 V2 2664.50 3000.00 1326.23 45.99 1280.24 Pass: Major Risk PB L Pad NWE1-01 NWE1-01 V5 2664.50 3000.00 1326.23 45.99 1280.24 Pass: Major Risk PB L Pad Plan L-03 Plan L-03 V3 Plan: Pia 2658.58 3200.00 1496.54 36.47 1460.07 Pass: Major Risk PB L Pad Plan L-113 (N-B) Plan L-113 V5 Plan: PI 2690.37 2900.00 1021.34 40.24 981.10 Pass: Major Risk PB L Pad Plan L-123 (S-U) Plan L-123 V2 Plan: PI 2659.13 3100.00 1168.95 40.26 1128.69 Pass: Major Risk PB L Pad Plan L-124 (N-C) Plan L-124 PB1 V1 Plan 2672.68 3000.00 1267.99 40.54 1227.46 Pass: Major Risk PB L Pad Plan L-124 (N-C) Plan L-124 V1 Plan: PI 2672.68 3000.00 1267.99 40.54 1227.46 Pass: Major Risk PB L Pad Plan L-203 (N-Q) Plan L-203 V4 Plan: PI 2650.00 4700.00 3399.54 41.53 3358.01 Pass: Major Risk PB L Pad Plan L-212 (N-O) Plan L-212 V3 Plan: PI 2666.52 3650.00 2132.28 43.97 2088.31 Pass: Major Risk PB L Pad Plan L-212 (N-O) Plan L-212PB1 V3 Plan: 2666.52 3650.00 2132.28 43.97 2088.31 Pass: Major Risk --- -------------------------.... Field: Site: Well: Wellpath: Prudhoe Bay PB L Pad L-02 Plan L-02A 294 . ...·200 '100 27 100 200 294 Travelling Cylinder Azimuth (TFO+AZI) [deg] vs Centre to Centre Separation [100ft/in] . L-02 (L-02PB I) . ~E~~~jg;CC First National Bank Alaska --r~~~ . TERRIE L HUBBLE BP EXPLORATION AK INC PO BOX 196612 MB 7-5 ANCHORAGE, AK 99519-6612 AnChora~K 99501 MEMO "O~A "Mastercard Check" . 89-6/1252 134 DATE cß-ID.a-t $ /CY). éb DOLLARS I: ~ 25 2000bOI:~~ ~""'Ib 2 27"' ~ 55 bU· 01.3... . . TRANSMITAL LETTER CHECK LIST CIRCLE APPROPRIATE LETTERJP ARAGRAPHS TO BE INCLUDED IN TRANSMITTAL LETTER WELL NAME PTD# Development Service Exploration Stratigraphic CHECK WßA T ADD-ONS "CLUE". APPLIES (OPTIONS) MULTI Tbe permit is for a new weJlbore segment of LATERAL existing weD . Permit No, API No. . (If API number Production. sbouJd continue to be reponed as Jast two (2) digits a function 'of tbe original API Dumber. stated are between 60-69) above. PILOT HOLE ]n accordance witb 20 AAC 25.005(1), an (PH) records, data and Jogs acquired for tbe pilot bole must be dearly differentiated ID botb name (name on permit plus PH) and API Dumber (SO - 70/80) from records, data and logs acquired for well (name on permit). SPACING Tbe permit is approved subject ·to full EXCEPT] ON .' compliance witb 20 AAC 25.05S~ Approval to perforate and produce is contingent upon issuance of ~ conservation order approving a spacing exception. (Company Name) assumes tbe liability of any protest to tbe spacing ,exception tbat may occur. DRY DITCH AU dry ditcb sample sets submitted to tbe SAMPLE Commission must be in DO greater than 30' sample intervals from below tbe permafrost or from wbere samples are first caugbt and J 0' sample hiter:vals tbrough target zones. .. . . Well bore seg 0 Annular Disposal 0 Field & Pool PRUDHOE BAY, PRUDHOE OIL - 640150 Well Name: J I lLL~2A ~Program DEV PTD#: 2041490 Company BP EXPLORATION (ALASKA) INC Initial Class/Type --.-DEV I 1-01L GeoArea 890 Unit J~650__ On/Off Shore On ii Administration 1 P~(ll)it fee attaçhe~_ - - - -- Y~s 2 _LeasßnumbE1rappropriate _ Yßs_ 3 _U_nlqve weltn_ame..a!:lq 1)\!.f1)b_e[ _ _ _ _ _ _ _ _ _ _ _ _ . . - . - . . - . . _.... _ _. Yes__ - ~ - - * - - - - - - - - 4 Well Jocat~d in a_ define~ pool_ Y~s_ 5 WellJQcated pr_oper _distance_ from driJling I.mitbJJundal)'. _ . _Y.es. 6 WellJocat~d pr.oper ~lstance. from otber weUs_ Yßs_ 7 _S.ufficient acreage.ayailable indrìlliog unjt . Y~s 8 Jfdßviated, js_ weJlbQre platincJu_ded _ . Y~s_ 9 .oper.ator onlY' aff.ected party _ . Yes_ - - - - 10 .0,per.ator bas_apprppriate.b.ond iJ1Jorce. _ _ _ _ _ _ _ _ . _ . . _ . . - .. . - _. . . Y~s __ - - - - - - - - - - - -- 11 P~(TT)it c.al1 Þe issued witbQut conserva.tion order _ - Yfjs_ - - -- Appr Date 12 PfjrrT) it c.al1 Þe issued witbout administrative_approvaJ _ - - - - - - Yes _ - - - -- RPC 8/10/2004 13 Can permit be approved before 15-day wait Yes 14 WellJQcatfjd within area al1d.strataauthorized bY_'l1jectioo Ordßr # (pvUO# in_comm~otsUFQr_ NA 15 AJI weUs.wit/linJl4JDile_areaßf review jd~otlfied (For servjcfj_we[lpnl)/L _ _ - . - - . - - . . . _NA _. - - - - - - - - - - - -- 16 Pre-produœd injector; ~vration_of pr!:l-,prodvGtiol) IfjsS than 3 months_ (For_servlce well QnJy) NA 17 ACMP. FJ1'\djng .of Con$i$tençy has bee.n Jssved. for tbis pr.oiect _ NA_ - Engineering 18 _C_ol1duçtor stril1gprQvid!:ld . . _ - - -- NA 19 .S.ud'a~casing.protects alLknoWI1 USDWs _ . . _ _ NA_ 20 CMT v_ol adeQu.ate. to çirc_ulateoJ1_cOl)d_uçtor. & surfCJ>g . NA 21 .CMT vol adeQuateJo tie-tnJong _string to.sud' csg_ _ _ . _ _ . _ _ .NA 22 CMTwill çoyer.a!ll<nown.pro_duçtiye bQrizol1s_ . _ _ Y~s_ 23 C.asil1g desigl1s adequa.te for c,r, B_&_perroafr.osL _ - YfjS_ 24 ADequatetan_kage_or re_serve pit _ YfjS _ _ \,Iab.ors.9.ES, _ 25 JfaJe-d(ill, has. a tOA03 for abandOl1ment beßO aPproved - . . - Yßs_ 13/9/200.4, 26 ADequate.wellbore.separatjo_nproposeD_ . _ . . _ _ _ _ _ _ - . _ - _ _ . _ YfjS _ . - . - - - - - - - - - -- 27 Jf.diverter req.uired, does it me!:lt reguJa.tions . _ _ - - - - - NA Sidetraçk. _ Appr Date 28 .DriUiog fluid.prograrT) $c.hematic_& eQ.uipJistadequate. _ _ . . . Yes __ Max MW. Ht8.ppg._ _ WGA 8/11/2004 29 .B.0P.Es,d.othey meet r!:lguJation _ Y~s_ - - - - - 30 .B.0P.Epress ra.tiog aPpropriate; _test to .(puJ psig in _comments). _ Yfj$ - - Te.st to .3500 psi, _MS~ 3115 psi.. 31 CMkemanifold çQmpJies w/APt R~-53.lMay ß4)_ _ . . . . . _ . YfjS _ _ 32 Work will occur withoytoperation .shutdown. _ - - - - Y~s. _ 33 Js presence. of H2S gas_ Rrob.aÞ/e . No_. . \,IQtan H2S pad. 34 MechantcaLcondiUon ot wells wtthi1'\ AOß yerifiecl (FoaerviC : welJ on.IyJ NA_ - Geology 35 PerrT) it C.al1 Þe tssu.ed wlo hydrogen s.ulfide meaSjJres . Yfjs. 36 _Data preseotecl on Rote_ntial pverpres.svre ~oneJ>. . NA Appr Date 37 Sei$micanalysjs_ of sbaJlow 9aszooes. . NA RPC 8/10/2004 38 SeabeDconditipo survey (if off-sh.ore) NA - - - - 39 . Contact narnelph01'\eJorweekly prpgre¡¡sreRorts [explQratpryonlYl .NA - Geologic Date: Engineering Date Commissioner: Commissioner DrS ??J/<f4-
