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212-066
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I l0 U 1a 8 E E a 2 0 Fisher, Samantha J (DOA) -r� - (9gotoot) From: Ferguson, Victoria L(DOA) Sent: Wednesday, August 28, 2013 1:18 PM To: Fisher, Samantha J (DOA); Davies, Stephen F (DOA) Subject: FW:Withdraw PTD 212-066, Z-70 From: Lastufka, Joseph N [mailto:Josegh.Lastufka@ bp.com] Sent: Wednesday, August 28, 2013 1:15 PM To: Ferguson, Victoria L (DOA); Roach, Frank Cc: Ramos, Tania ((Udelhoven Oilfield System Services (UOSS)) Subject: Withdraw PTD 212-066 Victoria, Please withdraw PTD 212-066 (API 50-029-23470-00-00). We will be resubmitting a new Permit to Drill for Z-70. Please let me know if you have any questions or would like any additional information. Thank you, Joe Lastufka Alaska Wells Technologist Cell: (907) 227-84961 Office: (907) 564-4091 wry AN'if BP Exploration AlaskaI900 E. Benson Blvd.IRoom: 788DIAnchorage,AK 1 (_ N'rl'z: it ( 4 [F, lc\ r►{e11 E J f k G SEAN PARNELL,GOVERNOR ALASKA OIL AND GAS 333 W.7th AVENUE,SUITE 100 CONSERVATION COM ISSION ANCHORAGE,ALASKA 99501-3539 PHONE (907)279-1433 FAX (907)276-7542 Ken Allen Engineering Team Leader BP Exploration (Alaska), Inc. P.O. Box 196612 Anchorage, AK 99519-6612 Re: Prudhoe Bay Field, Prudhoe Bay Oil Pool, PBU Z-70 BP Exploration (Alaska), Inc. Permit No: 212-066 Surface Location: 4294' FSL, 2757' FEL, SEC. 19, T11N, R12E, UM Bottomhole Location: 534' FSL, 921' FEL, SEC. 24, T11N, R 11 E, UM Dear Mr. Allen: Enclosed is the approved application for permit to drill the above referenced development well. This permit to drill does not exempt you from obtaining additional permits or an approval required by law from other governmental agencies and does not authorize conducting drilling operations until all other required permits and approvals have been issued. In addition, the Commission reserves the right to withdraw the permit in the event it was erroneously issued. Operations must be conducted in accordance with AS 31.05 and Title 20, Chapter 25 of the Alaska Administrative Code unless the Commission specifically authorizes a variance. Failure to comply with an applicable provision of AS 31.05, Title 20, Chapter 25 of the Alaska Administrative Code, or a Commission order, or the terms and conditions of this permit may result in the revocation or suspension of the permit. Sincerely, Cathy . Foerster Chair DATED this day of June, 2012. cc: Department of Fish & Game, Habitat Section w/o encl. (via e-mail) Department of Environmental Conservation w/o encl. (via e-mail) STATE OF ALASKA RECEIVED ALASK L AND GAS CONSERVATION COMMIE N MAY 1 12012 PERMIT TO DRILL 20 MC 25.005 AOGCC 1 a.Type of work: lb.Proposed Well Class: ®Development Oil 0 Service-Win' ®Single Zone • 1 c. Specify if well is proposed for: ® Drill • 0 Redrill 0 Stratigraphic Test 0 Development Gas 0 Service-Supply 0 Multiple Zone 0 Coalbed Gas 0 Gas Hydrates 0 Re-Entry 0 Exploratory 0 Service-WAG 0 Service-Disp 0 Shale Gas 2. Operator Name: 5.Bond: ® Blanket 0 Single Well 11. Well Name and Number: BP Exploration(Alaska) Inc. Bond No. 6194193 ' PBU Z-70 3. Address: 6. Proposed Depth: 12. Field/Pool(s): P.O. Box 196612,Anchorage,Alaska 99519-6612 MD 13480' - ND 8951' • Prudhoe Bay/Prudhoe Bay - 4a. Location of Well(Governmental Section): 7. Property Designation(Lease Number): Surface: ADL 028262&028245 4294'FSL,2757'FEL, Sec. 19,T11 N, R12E, UM Top of Productive Horizon: 8. Land Use Permit: 13. Approximate Spud Date: 2320'FSL,2303'FEL,Sec.24,T11 N, R11 E, UM October 1,2012 _ Total Depth: 9.Acres in Property: 14. Distance to Nearest Property: 534'FSL,921'FEL, Sec.24,T11 N, R11 E, UM 2560 • 2335' 4b. Location of Well(State Base Plane Coordinates-NAD 27): 10.KB Elevation above MSL: 90.5' feet 15.Distance to Nearest Well Open Surface: x- 599921 • y-5959100 • Zone- ASP4 GL Elevation above MSL: 56.2' feet to Same Pool: 135' 16.Deviated Wells: Kickoff Depth: 300' • feet 17.Maximum Anticipated Pressures in psig(see 20 AAC 25.035) Maximum Hole Angle: 92 degrees Downhole: 3713 ' Surface: 2864 18. Casing Program: Specifications Top-Setting Depth-Bottom Quantity of Cement,c.f.or sacks Hole Casing Weight Grade Coupling Length MD ND MD _ ND (including stage data) ,(,-L•i8 20" 94# H-40 80' Surface Surface 80' 80' 260 sx Arctic Set(Approx.) r 12-1/4" 9-5/8" ' 40# L-80 BTC-M 3685' Surface Surface 3685' 3136' 'l31isx DeeoCrete.408 sx Class'G' 8-3/4" 7" 26# L-80 VamTop 10890' Surface Surface 10890' 8586' S3L LiteCrete. 183 sx Class.9. 6-1/8" 4-1/2" 12.6# 13CR-80 VamTop 2740' 10740' 8448' 13480' 8951' Uncemented Liner 4- -541 J( PKR.S 19. PRESENT WELL CONDITION SUMMARY(To be completed for Redrill and Re-entry Operations) Total Depth MD(ft): Total Depth TVD(ft): Plugs(measured): Effective Depth MD(ft): Effective Depth ND(ft): Junk(measured): Casing Length Size Cement Volume MD TVD Conductor/Structural Surface Intermediate Production Liner Perforation Depth MD(ft): Perforation Depth ND(ft): 20.Attachments: IN Property Plat ® BOP Sketch ®Drilling Program 0 Time vs Depth Plot 0 Shallow Hazard Analysis ® Diverter Sketch 0 Seabed Report ®Drilling Fluid Program ®20 AAC 25.050 Requirements 21. Verbal Approval: Commission Representative: Date: 22. I hereby certify that the foregoing is true and correct. Contact Kris Honas,564-4841 Printed Name Ken Allen Title Engineering Team Leader Prepared By Name/Number Signature 4.' ____ 7 C7A-- ---__ Phone 564-4366 Date 4/76//2— Joe Lastufka,564-4091 Commission Use Only Permit To Drill API Number: /y') ! , / 7 ermit A ro a te: See cover letter for Number: /z�C-� 50- ei- 2 5`7 !e` Hy IT other requirements i Conditions of Approval: If box is checked,well not be used to explore for,test,or produce coalbed methane,gas hydrates,or gas contained shales: Et/ Other: JSt)6 Pry �D� -S� - % Samples Req'd: ❑Yes 9/No Mud Log Req'd: 0/Yes Li No Z SGIb S Ann zS'f- (..°"-4-~.) HZS Measures: [ Yes 0 No Directional Survey Req'd: Mi Yes 0 No p/t reYno rJ L /Z:100 c 7,ro a-cee iee.-.L. Z co AAC- Z S.d 31 cJ APPROVED BY THE COMMISSION Date 6 --(q- --I COMMISSIONER Form 10-401 Revised 07/2009 This permit is valid for 24 mont( fr(nm hee a e f pRr (20 AAC 25.005(g)) Submit In Duplicate by 0 To: Alaska Oil&Gas Conservation Commission From: Kristopher E. Honas, ODE Date: May 10, 2012 Re: Z-70 Permit to Drill The Z-70 well is scheduled to be drilled by Doyon 25 in October 2012. The grassroots well is a horizontal producer targeting the Ivishak Zone 4. The planned well has three hole sections utilizing the ultra slim hole design. Intermediate casing will top set the Sag River formation and the production interval will be completed with a cementless liner using sliding sleeves and swellpackers. The liner is designed to allow selective production along the horizontal lateral to maximize oil recovery and minimize intervention requirements. The maximum anticipated surface pressure from the Ivishak/Sag with a full column of gas from TD to surface is —2864 psi (assumes 8.41 ppg as max pore pressure). This well will be drilled by Doyon 25 using their 5000 psi four preventer BOP stack (3 rams and an annular). The BOP rams and annular will be tested to 3500 psi. A detailed operations summary is included with the permit application. Below is a brief summary of planned drilling operations: 1. Move in Doyon 25 and function test diverter. 2. Drill 12-1/4"surface hole to 3685 ft MD. 3. Run 9-5/8"surface casing and cement to surface. 4. Nipple up BOPE and test. 5. Pressure test surface casing. Drill out the shoe and perform LOT. 6. Drill 8-3/4" intermediate hole to top of the Sag River at 10,890 ft MD. 7. Run 7"casing and cement to—1000 ft MD above UG_Ma. Pressure test casing. 8. Drill out of intermediate shoe and perform FIT. 9. Drill 6-1/8" horizontal production hole through Zone 4 of the Ivishak to TD at 13,480 ft MD. 10. Run a 4-1/2", solid, chrome, production liner with approximately 9 swell packers and 7 sliding✓ sleeves. 11. Pressure test liner top packer to 3500 psi 12. Run 4-1/2"chrome completion tubing. Sting into liner tieback sleeve and set production packer. 13. Pressure test the tubing and the inner annulus to 3500 psi each. 14. Rig down and move off the well. In addition to a planned well summary, a directional plan and proposed completion diagram is attached to the permit application. If there are any questions concerning information on Z-70, please do not hesitate to use the contact information below. Kristopher Honas Office: 907-564-4841 Cell: 907-268-0891 Home: 907-929-4388 Email: Kristopher.Honas@bp.com Z-70 PTD Page 1 5/10/2012 Planned Well Summary Well Z-70 Well Oil Producer Target Ivishak • Type Objective Current Status Grass Roots Well - Conductor Currently Installed Estimated Start Date: 10/01/2012 • Time to Complete: 37 Days Surface Northing Easting Offsets TRS Location 5959100 • 599921 985' FNL/2197' FWL 11N 12E sec 19 • Northing Easting TVDss Offsets TRS Tgt 1 5957152 595405 -8490' 2404' FSL/2344' FEL 11N 11E sec 24 TSGR Tgt 2 5957068 595447 -8651' 2320' FSL/2303' FEL 11N 11E sec 24 TSAD BHL 5955300 596852 -8860' 534' FSL/921' FEL 11N 11E sec24 Planned KOP: 300' MD/210' TVDss Planned TD: 13480' MD/8860' TVDss Rig: Doyon 25 BF-RT: 34.3' RTE (ref MSL): 90.5 Directional — Schlumberger P17 KOP: 300' MD Maximum Hole Angle: -59° in the 8-3/4" intermediate section 1 —92° in the 6-1/8" production section • Close Approach Wells: Z-33A fails maior risk in the production interval.Well has been minor risked at 1/200 allowing 90 ft of deviation from planned wellpath. Z-33A will be shut in with down hole plug while drilling. Survey Program: Surface to—1000 ft MD=GYD-GC-SS(single shot gyro) —1000 ft MD to TD=MWD+IFR+MS Nearest Property Line: 2335 ft Nearest Well within Pool: —135-from Z-33A Z-70 PTD Page 2 5/10/2012 Formation Tops & Pore Pressure Estimate (SOR) Estimated Depth Most Likely Fluid Type Pore Rkli Formation Formation Uncertainty Top(TVDss) (+1-TVD ft) (for sand) Pressure Ali (EMW ppg) _ G1 254 ±40 No 8.40 SV6 1026 ±40 No 8.40 EOCU 1592 ±40 No 8.40 SV5 1678 ±40 No 8.40 BPRF 1781 ±40 No 8.40 SV4 1800 ±40 / Hydrates below BPRF .8.40 SV3 2450 ±40 i Hydrates p.40 s SV2 2540 ±40 Hydrates 8.70 'it/ in SV1 2750 ±40 Hydrates 8.70 UG4 3085 ±40 No 8.70 UG4A 3145 ±40 No 8.70 `7.` - UG3 3415 ±40 No 8.70 .1's Fault#1 3450 ± 100 UG1 3855 ±40 No 8.70 UG Ma 4175 ±40 Heavy Oil 8.70 UG__Mb1 4225 ±40 Heavy Oil 8.70 UGMb2 4310 ±40 Heavy Oil 8.70 UG-Mc 4370 ±40 Heavy Oil 8.70 SB__Na 4400 ±25 Yes 8.70 SB 4420 ±25 Yes 8.70 SB_Nc 4445 ±25 Yes 8.70 SB Ne 4450 ±25 Yes 8.70 SB OA 4560 ±25 Yes 8.70 SB_OBa 4639 ±25 Yes 8.70 SB_OBb 4665 ±25 Yes 8.70 SBOBc 4690 ±25 Yes 8.70 ��^ SB__OBd 4750 ±25 Yes 8.70 SB_OBe 4820 ±25 Yes 8.70 SB_OBf 4877 ±25 Yes 8.70 _ 9.a - SB_OBf_Base 4930 ±25 No 8.70 A2,2- CM-2 CM-2 5230 ±30 No 9.3 r4, CM-1 5960 ±30 No 9.5 - TLBK 6330 ±30 No 9.6 jo.L THRZ 6430 ±30 No 10.0 <15 TKLB 6670 ±30 Wet 10.0 / � TKC4 6770 ±30 Wet 10.00 �✓ TKB/LCU 6830 ±30 Wet 10.00 TKA4 6910 ±30 Wet 10.00 TMLV 6920 ±30 No 10.00 TKNG 7380 ±30 No 10.00 TJG 7410 ±30 No 10.00 _ Fault#3 Highland Fault 7649 ± 100 _ 10.00 TJF Faulted Out ±30 No 10.00 TJE 7745 , ±30 No 10.00 TJD 7995 ±30 No 10.00 Al) s ry Z-70 PTD Page 3 5/10/2012 TJC 8195 ±30 No 10.00 f�{kd TJB 8370 ±20 _ No 10.00 %'z TJA 8420 ±20 No 10.00 _ _Xe�, TSGR 8490 ±20 Yes Gas 8.41 `-.7 TSHU 8520 ±20 Yes Gas 9.20 TEIL 8635 ±20 Yes Gas 8.29 ,-7- TSAD(46P) 8651 ±20 Yes Gas 8.17 y,. 45N 8674 ±20 Yes Gas 8.17 1-fd' 45P 8675 ±20 Yes Gas 8.17 44N 8707 ±20 Yes Gas 8.17 44P 8715 ±20 Yes Gas 8.17 43N 8732 ±20 Yes Gas 8.17 43P 8736 ±20 Yes Gas 8.17 PGOC 8762 ±30 8.21 42N 8767 t 20 Yes Oil/Gas 8.20 42P 8767 ±20 Yes Oil/Gas 8.20 41 N 8804 ±20 Yes Oil/Gas 8.20 41P 8821 ±20 Yes Oil/Gas 8.20 'n Casing/Tubing Program Hole Liner/ Wt/Ft Grade Conn Burst Collapse Length Top Bottom Size Tbg O.D. (psi) (psi) MD/TVDss MD/TVDss - 20" 94 H-40 - 1530 520 80' Surface 80'/24' 12-1/4" 9-5/8" 40# L-80 BTC-M 5750 3090 3685' Surface _ 3685'/3045' 8-3/4" 7" 26# L-80 VamTop 7,240 5,410 10890' Surface 10890'/8495' 6-1/8" 4'/" 12.6# 13Cr-80 VamTop 8,430 7,500 2740' 10740'/8357' 13480'/8860' (-150' lap) 10745'/8361' Tubing 4'/2" 12.6# 13Cr-80 VamTop 8,430 7,500 10745' Surface (-5' into liner TBS) Mud Program Surface Hole Mud Properties: Drillplex 12-1/4" Hole Section Density LSYP YP API FL Chlorides Funnel Depth Interval PP9 2x3-6 rpm lb/100 ft2 m1/30min mg/I pH Viscosity sec/qt 0'-Section TD' 8.8-9.4 , 30-50 40-80 NC <1000 10.8 60-120 Intermediate Mud Properties: LSND 8-3/4" hole section Depth Interval Density PV YP API FL HTHP FL MBT pH (PP9) 3685'-6820' MD v To-500' MDAbove 9.0-9.5 12-18 20-28 <6 NC <18 9- 10 Overpressure 6820'-8478' To 200' MD Above 9.5- 10.2 12 -18 20-28 <4 <10 18-20 9- 10 HRZ 8478'-Section TD 10.2- 10.3 : 12-22 20-28 <4 <10 <20 9- 10 Production Mud Properties: Water Based Pol mer Fluid (FloPro Or PowerPro) I 6-1/8" hole section Low Shear Depth Interval DPP9ty PV YP (cp) (Ib/OOft2) API FL Rate MBT pH Viscosity 10890'-TD 8.7-8.8 ' <12 10-20 >10 >15000 <4 8-9.5 Z-70 PTD Page 4 5/10/2012 Logging Program 12'/."Surface: Sample Catchers-not required for surface hole Drilling: Dir/GR/Res Open Hole: None Cased Hole: None 8'/4" Intermediate: Sample Catchers—as required by Geology Drilling: Dir/GR/Res Open Hole: None Cased Hole: None 6-'18" Production: Sample Catchers—as required by Geology Drilling: Dir/GR/Res/Neu/Den Open Hole: None Cased Hole: None Cement Program Casing Size 9-5/8"40#, L-80 Surface Casing Lead: Open hole volume+250%excess through permafrost and 40% excess below Basis: permafrost. Port collar used if hole conditions dictate Lead TOC: Surface Tail: Open hole volume+40%excess+ 80 ft shoe track Tail TOC: 1000 ft MD above casing shoe Total Cement Lead 436.9 bbls, 2453 cuft, 1319 sks of 11.0 ppg DeepCRETE, Yield: 1.86 ft3/sk Volume: Tail 84.2 bbls,473 cuft,404 sks of 15.8 ppg Class G, Yield: 1.17 ft3/sk Casing Size 7" 26#, L-80 Intermediate Casing Basis: Lead: Open hole volume+30%excess Lead TOC: 1000 ft MD above Ug_Ma Tail: Open hole volume+30%excess+80 ft shoe track Tail TOC: 1000 ft MD above casing shoe Total Cement Lead 174.5 bbls, 980 cult, 532 sks of 11.0 ppg LiteCRETE, Yield: 1.84 ft3/sk Volume: Tail 37.9 bbls, 213 cuft, 183 sks of 15.8 ppg Class G, Yield: 1.16 ft3/sk , Casing Size 4.5" 12.6#, 13Cr-80 Production Liner Basis: N/A CEMETLESS PRODUCTION LINER. Isolation achieved with swelipackers and liner top packer. Surface and Anti-Collision Issues Surface Shut-in Wells: The planned Z-70 well path fails maior risk anti-collision against Z-33A in the production interval. Z-33A will be minor risked to 1/200 allowing up to 90 ft of deviation from the planned well path. Z-33A will be shut-in with a down hole barrier. No additional shut-ins are required at surface to move Doyon 25 over the Z-70 conductor slot. Z-70 PTD Page 5 5/10/2012 Hydrogen Sulfide Z-Pad is considered an H2S site. Recent H2S data from the pad is as follows: I.- Well Well Name H2S Level Date of Reading #1 Closest SHL Well H2S Level Z-20 _ 36 10/13/2009 #2 Closest SHL Well H2S Level Z-46 30 _ 6/6/2008 #1 Closest BHL Well H2S Level Z-67 _ 70 10/21/2011 #2 Closest BHL Well H2S Level Z-01 B 24 8/9/2009 Max. Recorded H2S on Pad/Facility Z-100 120 2/7/2010 Other Relevant H2S Data H2S Levels of 0-120 ppm have been recorded at Z-pad Faults Formation Fault MD / TVD Est.Throw Throw Uncertainty Encountered Intersect Intersect Direction Fault#1 -UG3 4,470 3,450 10-20 ft. NorthEast +/-100' M.D. not not penetrated penetrated Fault#2-lower UG3 (dies out (dies out 10-20 ft. Southwest +/-100' M.D. below below wellbore) wellbore) Fault#3-Highland State 9,970 7,650 400'+/- 100' SouthWest +/- 150' M.D. Fault-TJF Fault#4-Ivishak Zone 4 12,200 8,845 20-40' NorthEast +/-100' M.D. Drilling Waste Disposal • There is no annular injection in this well. • Cuttings Handling: Cuttings generated from drilling operations will be hauled to grind and inject at DS-04. Any metal cuttings will be sent to the North Slope Borough. • Fluid Handling: Haul all drilling and completion fluids and other Class II wastes to DS-04 for injection. Haul Class I waste to DS-04 and/or Pad 3 for disposal / Contact the GPB Environmental Advisors (659-5893)for guidance. Well Control The 12-1/4" surface hole will be drilled with a diverter. The 8-3/4" intermediate and 6-1/8" production hole will be drilled with well control equipment consisting of 5,000 psi working pressure pipe rams (2), blind/shear rams, and annular preventer capable of handling the maximum potential surface pressures. Based upon calculations below, BOP equipment will be tested to 3500 psi. BOP test frequency for Z-70 will be 14 days with function test every 7 days. Except in the event of a significant operational issues that may effect well integrity or pose safety concerns, an extension to the 14 day BOP test period should not be requested. Z-70 PTD Page 6 5/10/2012 Intermediate Interval Maximum anticipated BHP 3520 psi at the TKC4 6770'TVDss(10.0 ppg EMW) Maximum surface pressure 2864, psi (.10 psi/ft gas gradient to surface)from TSGR at 8490'TVDss (8.41 ppg EMW) 25 bbls with 13.0 ppg frac gradient Kick tolerance Assumes 10.0 ppg pore pressure in the Kuparuk+0.5 ppg kick intensity and 10.2 ppg MW. Planned BOP test pressure Rams test to 3500 psi/250 psi. Annular test to 3500 psi/250 psi 7" Casing 3500 psi surface pressure Integrity Test—8-3/4" hole LOT after drilling 20'-50'from middle of window 7"Casing The VBRs will be changed to 7" rams to accommodate the 7"casing string. Production Interval Maximum anticipated BHP 3713 psi @ TSRG at 8490'TVDss(8.41 ppg EMW) Maximum surface pressure 2864 psi (.10 psi/ft gas gradient to surface) Infinite with>9.6 ppg frac gradient Kick tolerance Assumes an 8.41 ppg max pore pressure in the Sag/Ivishak+0.5 ppg kick intensity and 8.7 ppg MW. Planned BOP test pressure Rams test to 3500 psi/250 psi. Annular test to 3500 psi/250 psi Integrity Test—6-1/8" hole FIT after drilling 20'-50'of new hole,target 12.5 ppg FIT 4-1/2" Liner Top Packer 3500 psi surface pressure Planned completion fluids 9.3 ppg Brine/6.8 ppg Diesel Variance Request ✓ To avoid the risk of plugging the flow line with large rocks and wood encountered while drilling surface hole, it is requested to drill without a flow paddle for the first portion of the surface hole. After drilling past the larger rocks and wood sections, the flow paddle will be put back in the flow line(<1000 ft). Procedures/Safeguards with paddle removed: • Fluid levels will be monitored in the pits for both gains and losses while drilling.Alarms will be set to indicate if gain or loss of more than 5 bbls has occurred. • The well will be monitored for flow when the pumps are off at each connection. • Over 50 surface holes have been drilled on Z-pad, including the recent Z-40 and Z-50 wells in 2012, providing a high level of confidence in the ability to drill surface hole on the pad without incident. • The planned 8.8-9.4 ppg fluid will provide over balance to formation fluid. " Z-70 PTD Page 7 5/10/2012 Z-70 General Operational Summary Proposed Drilling Rig Operations: 1. MIRU Doyon 25. 2. NU diverter spool& riser. Function test the diverter. 3. PU 4"drill pipe as required to TD the surface interval and stand back in the derrick. 4. MU the 12-%" drilling assembly with DIR/GR/RES on bent housing motor. Spud and directionally drill surface hole to base of permafrost. Gyro survey until magnetic interference clears up. CBU until hole is clean, then short trip to surface. Change out bit and dial up/down motor bend as required. 5. RIH and continue drilling surface hole to section TD at —3685 ft MD in shale above UG4. CBU until hole is clean. POH on elevators (if it is necessary to backream out of hole, RIH to bottom until able to POH on elevators). Lay down BHA. J 6. Run and fully cement 9-%",40#, L-80, BTC-M casing to surface, displacing cement with drilling fluid. Bump plug and hold pressure for 5 minutes. 7. Nipple down the diverter spool and nipple up/test casing and tubing head. Nipple up the BOPE and test to 250-psi low/3500-psi high. Test annular to 250-psi low/3500-psi high. 8. Pressure test the 9-%"casing to 50 psi low/3500 psi high for 5 minutes low/30 minutes high. 9. MU the 8-%"drilling BHA with PDC bit, bent housing motor and DIR/GR/RES/PWD and RIH to float collar picking up 4"drill pipe as required to TD the intermediate interval. 10. Drill shoe track and displace well to 9.0 ppg LSND drilling fluid. 11. Drill 20 ft of new formation below 9-%"shoe and perform LOT per SOP. Target a minimum 13.0 ppg EMW for 25 bbl kick tolerance. 12. Drill 8-%" intermediate interval to section TD in TSGR at—10,890 ft MD. Weight up drilling fluid using spike fluid maintaining the following density ranges: • 3685 ft MD-6820 ft MD: 9.0-9.5 ppg • 6820 ft MD-8478 ft MD: 9.5- 10.2 ppg • 8478 ft MD-Section TD: 10.2- 10.3 ppg 13. CBU until hole is clean (minimum 2x)and condition mud for 7"casing. 14. POH while rolling the pumps at 1/2 BPM to top of Kingak to minimize swab. Continue to POH on elevators and lay down BHA(if backreaming to get out of open hole is necessary, trip back to TD and POH on elevators final trip out). 15. Change upper rams to 7"and test 250 psi low/3500 psi high. 16. Run 7", 26#, L-80, VAM TOP HC casing. Cement the 7"casing to 1000 ft MD above the Ug_Ma formation top. � S Sf I✓/ rose, Jf� 17. Pressure test the 7"casing to 250 psi low/3500 psi high for 5 minutes low/30 minutes high when the plug bumps. Z-70 PTD Page 8 5/10/2012 18. Immediately following the casing pressure test initiate injection down the OA by pumping-5 bbls of drilling fluid to ensure annulus remains open for freeze protection. Continue to pump 3-5 bbls of drilling fluid down the OA every hour until the lead cement reaches 500 psi compressive strength. 19. Install the 7"casing pack-off through the stack and test to 250 psi low/5000 psi high for 5 minutes. 20. Change upper 7"casing rams to VBR rams and test to 250 psi low/3500 psi high. 21. Freeze-protect the 9-%"x 7" annulus, once the tail cement has reached 500 psi compressive strength. 22. MU the 6-%"drilling BHA with PDC bit,Archer RSS, and DIR/GR/RES/NEU/DEN. RIH and begin drilling out shoe track. 23. Displace the well to 8.7 ppg Power-Pro SF fluid prior to fully drilling out shoe track. 24. Drill 20 ft of new formation and perform gn FIT to 12.5 DDa. 25. Drill 6-1/8" hole to planned TD at-13,480 ft MD per directional plan. Geo steer as required by rig site geologist. Circulate bottoms up, until hole is clean. 26. Backream to the 7"casing shoe. Circulate bottoms up inside the shoe. Trip in hole on elevators to TD. 27. Swap the well over to an 8.7 ppq Rheliant oil based drilling fluid (If testing indicates OBM is needed to swell packers). Circulate bottoms up 2x with new fluid to shear mud. Pull out of hole on elevators. Lay down drilling BHA. 28. MU and run 4-%" 12.6# 13CR VAM TOP liner with approximately 9 oil swell packers and approximately 7 sliding sleeves to TD.Avoid circulating in o en hole due to high ECD caused by swell packers. 5 J 1'� w,rosy ,C€4..x.% 29. Drop a ball to running tool and increase pressure to set liner hanger and release running tool. Set liner top packer with down weight. Prior to pulling running tool out of liner, pressure test the liner top packer to 250 psi low/3500 psi for 5 minutes/30 minutes and chart test. 30. Displace well to clean-8.6 ppg brine above the liner top. 31. Pull out of hole with 4"drill pipe and lay down liner running tool. 32. RU and run a 444", 12.6#, 13CR,VAMTOP tubing with gas lift mandrels. Space out and land the tubing with tubing tail inserted into the liner tieback sleeve. Run in lock down screws. 33. Reverse circulate 9.3 ppg brine surface to surface. Spot 9.3 ppg corrosion inhibited brine in the tubing x casing annulus. 34. Drop the ball/rod and land on the RHC-M no-shear seat in the deepest X-nipple. Set packer and individually test the tubing and annulus to 3500 psi for 30 minutes. Record each test. 35. Shear the DCK valve in GLM. 36. Install TWC and test from above to 250 psi low/3500 psi high for 5 minutes each and from below to 250 psi low/3500 psi high for 5 minutes/30 minutes. 37. Nipple down the BOPE. Nipple up the adaptor flange and tree and test to 250 psi low/5,000 psi high for 5 minutes each with diesel. Z-70 PTD Page 9 5/10/2012 38. RU DSM Lubricator and test. Pull TWC. 39. RU circulating lines. Freeze protect the well to—2,200'TVD and allow diesel to U-tube reaching equilibrium. 40. Install a BPV. 41. Secure the well. Rig down and Move Off. Post Rig 1. Pull BPV. 2. Pull ball and rod/RHC-M with slickline 3. Install gas lift valves as required. 4. Install a bridge plug in the 4-1/2" liner immediately above the 3-1/2" anchor swell packer with coil. Circulate well to clean seawater. 5. Open sliding sleeves as required and flowback per ASRC 6. Install flow lines and wellhouse. Z-70 PTD Page 10 5/10/2012 Z-70 Drilling Critical Issues POST THIS NOTICE IN THE DOGHOUSE I. Well Control / Reservoir Pressures: A. Surface Hole: No overpressure is expected in the surface hole and hydrates have been a minimal concern in this area of the pad. No free gas is present on this side of the Highland State Fault. B. Intermediate Hole: Expect overpressure in the Colville starting at —5230 ft TVDss. The overpressure is expected to increase to 10.0 ppg. 10.0 ppg is also expected through the permeable sands of the Kuparuk. Mud weight must be increased according to the well program to maintain overbalance throughout the intermediate section. C. Production Hole: The highest anticipated pore pressure in the production hole will be encountered in the Sag River at 8.41 ppg. The interval will be drilled with a minimum of 8.7 ppg drilling fluid to provide adequate trip margin. Higher pore pressures may exist in the Shublik, but this is a non permeable formation and is not considered a risk for flow. II. Lost Circulation/Breathing A. Surface Hole: Lost circulation is considered a minimal risk if mud properties remain in specification. B. Intermediate Hole: Breathing and/or lost circulation is a possibility due to 2 fault crossings which includes the Highland State fault with —400 ft of throw. Breathing is also common in the Colville. The wellbore has been designed with a maximum mud weight of 10.4 ppg for over balance and wellbore stability. 10.4 ppg has historically been considered low enough to help prevent losses and breathing, however, ECD must be carefully managed to further reduce the risk. C. Production Hole: One fault crossing is planned in the production hole. Lost circulation risk is considered moderate. Avoid cutting corners of driller's polygon at fault crossing to ensure more perpendicular crossing. Additionally, be prepared for breathing in the Shublik if fractures exist in the area. This has been an occasional problem across Prudhoe, but is considered a low risk on Z-pad. Ill. Kick Tolerance/Integrity Testing A. With the planned mud weights, the kick tolerance for the intermediate section is 25 bbls with a 13.0 ppg leak-off, and the production section is infinite with a 9.6 ppg leak-off. If planned LOT/FIT values are not achieved, do not drill ahead without risk assessment and proper authorization. All kick tolerances are calculated based on a 0.5 ppg kick intensity over likely pore pressure. IV. Integrity Testing Test Point Test Depth Test type EMW(lb/gal) 13.0 ppg minimum 9-%"Shoe 20'-50'from the 9-5/8"Shoe LOT 14.2 ppg target(50(25 bbls) s) 7"shoe 20'-50'from the 7"shoe FIT 9.6 ppg minimum(infinite) c/ 12.5 ppg target(infinite) V. Hydrogen Sulfide A. As Z-Pad is considered an H2S site, refer to the ADW "Hydrogen Sulfide" SOP for the appropriate operational guidelines. The max recorded H2S readings on the pad were 120 ppm in Z-100 March 2010. Z-20 recorded 36 ppm 10/13/2009 and Z-46 recorded 30 ppm 6/6/2008 (closest wells at surface). Z-70 PTD Page 11 5/10/2012 VI. Faults MD TVD Throw Formation Fault Encountered Intersect Intersect Est.Throw Direction Uncertainty Fault#1 -UG3 4,470 3,450 10-20 ft. NorthEast +/-100'M.D. not not penetrated penetrated Fault#2-lower UG3 (dies out (dies out 10-20 ft. Southwest +/-100'M.D. below below wellbore) wellbore) Fault#3-Highland State Fault-TJF 9,970 7,650 400'+/-100' SouthWest +/-150'M.D. Fault#4-Ivishak Zone 4 12,200 8,845 20-40' NorthEast +/-100'M.D. VII. Anti-Collision Issues A. The Z-70 planned well path fails major risk anti-collision with Z-33A in the production interval. Z-33A will be shut in with a down hole barrier prior to drilling. Additionally, a tolerable collision risk document will be completed prior to drilling and the Z-33A well will be minor risked as required. CONSULT THE Z-PAD DATA SHEET AND THE WELL PLAN FOR ADDITIONAL INFORMATION. Z-70 PTD Page 12 5/10/2012 TREE= 4-1/16" F NOTES: ***CHROME TBG*** ACTUATOR= Hydraulic Z-71, Proposed KB.ELEV= 90.5' BF.ELEV= 56.2 MaxAngle= 91.6 deg I� CONDUCTOR 108' = _-j TBD H9-5/8"TAM PORT COLLAR Datum MD= 11,327' 1 ' 2000' —14-1/2"HES X NIP,ID=3.813" Datum TVDss=8800'TVDss 9-5/8",40#,L-80, BTC-M, ID=8.835" H 3685' Al ' 4879• —TOC-1000 ft MD above Ug_Ma -1194 ft below surface shoe 44-/-' Or GAS LET MANDRELS Minimum ID = 3.813" ST MD TVD DEV TYPE VLV LATCH PORT DATE ( -4- ' 7 4392 3500 59 KBG-2 DUM BK 1" 4-1/2" X Nipple @ 2000' MD 6 6945 5000 30 KBG-2 DCK2 BEK 1" 5 8090 6000 28 KBG-2 DUM BK 1- L 4 8754 6600 21 KBG-2 DUM BK 1" 3 9400 7200 17 KBG-2 DUM BK 1" 2 10037 7800 23 KBG-2 DUM BK 1" 1 10501 8227 23 KBG-2 DUM BK 1" • I 10578' —14-1/2"HES X NIP,ID=3.813" 10628' —7"X 4-1/2"HES TNT PKR 1. - ID=3.870" 4-1/2"TBG 12.6#13CR-85 VT.0152 bpf I0=3.958" 10745' 10658' —14-1/2"HES X NIP.ID=3.813" • �� 10734' 14-1/2"HES X NIP,ID=3.813" • 10740' 17"X 5"BKR ZXP PKR&Flexlock HGR w mEBACK SLV,ID=4.4" 7"CSG,26#,L-80,VT HC, .0383 bpf,ID=6.276" --I 10890' N 10745 WLEG I I \::: :3 +8ea: 4-1/2"HES OBM Swell Packers @ TBD'TBD'TBD'TBD' TBD'TBD'TBD'TBD' I I +lea: 4-1/2"HES Sliding Sleeve @ I I TBD TBD'TBD'TBD' C TBD'TBD'TBD'TBD' 6Z' , 1 I I c I I I I }.< 13430' —I XO 4-1/2"VT x 3-1/2"VT I 3-1/2"HES OBM Anchor Sw ell Packer H 13435' 13465' —I X0 3-1/2"VT x 4-1/2"VT 1 4-1/2"Solid LNR, 12.6#, 13Cr-85 VT, ID=3.958 H 13480' 13480' —1 HES 4-1/2"Float Collar&Shoe 1 DATE REV BY CONVENTS DATE REV BY COMMENTS Rudhoe Bay UNIT 01/03/12 KEH Proposed Completion WELL: Z-70 PERMT No. API No: SECXXTWPXXN RGEXXE FSL XXXX'FEL XXXX' BP Exploration(Alaska) bp Schlumberger Z-70(P17)v6 Proposal Report (Def Plan) Report Date: January 04,2012-02:47 AM Survey!DLS Computation: Minimum Curvature I Lubinsld Client BP Exploration Alaska �M Vertical Section Azimuth: 135000°(True Norm) - Field: Prudhoe Bay Unit-WOA qq �R7{�(� �s%'?J Vertical Section Origin: 0000 ft.0.000 ft Well: Structure /Slot Plan Z-70(SF)v6) s�u C�u U U"'� �� ?J TVD Reference EleTVD Reference vation: 0500 ttry able above MSL Borehole: Plan Z-70 e Seabed I Ground Elevation: UNA/API#: Magnetic Declination: 20.802° Survey Name: Z-70(P17)v6 Total Field Strength: 57644.533 nT Survey Date: April 28,2011 Magnetic Dip Angle: 80.972° Tort l AHD/DDI I ERD Ratio: 317.881./8242.757 ft/6.596/0.921 Declination Date: May 01,2012 Coordinate Reference System: NAD27 Alaska State Plane,Zone 04,US Feet Magnetic Declination Model: BGGM 2011 Location Lat/Long: N 70°17'51.62360',W 149°11'26.9704T' North Reference: True North • Location Grid NIE PlX: N 5959100.100 ftUS,E 599920.930 HUS Grid Convergence Used: 0.000• CRS Grid Convergence Angle: 0.76180900' Total Corr Map North-"True 20.802 North: Grid Scale Factor: 0.99991134 Local Coord Referenced To: Well Head Comments (ft) Ind Axim True TVDSS TVD VSEC NS EW TF DLS Directional Northing Easting (B) (°) r) (ft) (ft) (R) (ro ten C) r/100ft)Difficulty Index (ROS) (flUS) RTE 0.00 000 180.00 -90.50 0.00 0.00 0.00 0.00 180M N/A 0.00 5959100.10 599920.93 100.00 0.00 180.00 950 10000 0.00 0.00 000 180M 0.00 0.00 5959100.10 599920.93 200.00 000 180.00 109.50 200.00 000 0.00 0.00 180M 0.00 0.00 5959100.10 59992093 KOP-Cry 1/100 300.00 • 0.00 180.00 209.50 30000 0.00 0.00 0.00 180M 0.00 0.00 5959100.10 599920.93 01 344.50 0.45 180.00 254.00 344.50 0.12 -0.17 0.00 180M 1.00 0.00 5959099.93 599920.93 400.00 1.00 180.00 30949 399.99 0.62 -0.87 0.00 180M 1.00 0.00 595909923 599920.94 Cry 2/100 500.00 2.00 180.00 409.46 499.96 2.47 -3.49 000 180M 1.00 0.84 5959098.81 599920.98 800.00 4.00 180.00 509.32 599.82 8.17 -072 0.00 180M 2.00 1.54 5959091.38 599921.05 70000 8.00 160.00 608.93 69943 1233 -17.44 0.00 HS 2.00 2.02 5959082.66 599921.18 i. Cry 2.5/100 800.00 8.00 18000 708.18 798.68 20.95 -29.63 0.00 HS 200 2.38 5959070.48 599921.32 900.00 10.50 18000 806.87 897.37 32.31 -45.70 0.00 HS 2.50 268 5959054.41 599921.54 1000.00 13.00 180.00 904.77 995.27 4671 -66.06 0.00 HS 250 2.94 5959034.05 599921.81 1100.00 15.50 180.00 1001.69 1092.19 84.12 -90.67 0.00 HS 250 3.15 5959009.44 599922.14 SV6 112527 18.13 180.00 1028.00 1116.50 68.99 -97.56 0.00 HS 2.50 3.20 5959002.56 599922.23 1200.00 18.00 180.00 1097.43 1187.93 84.49 -119.49 0.00 HS 250 3.34 5958980.83 59992252 1300.00 20.50 18000 1191.84 128234 107.80 -15246 0.00 HS 250 3.50 5958947.87 599922.96 Cry 3/100 1400.00 23.00 180.00 1284.71 1375.21 134.00 -189.51 000 100.276 250 3.65 5958910.82 599923.45 1500.00 22.65 187.88 1376.90 1467.40 159.50 -228.14 -2.57 93.196 3.00 3.78 5958871.97 599921.39 1800.00 22.87 195.47 146920 1559.70 180.67 -285.80 -10.29 866 3.00 3.90 5958834.21 599914.17 1700.00 23.06 203.13 1561.37 1651.87 19747 -302.39 -23.13 78.946 3.00 4.00 5958797.48 599901.83 EOCU 1733.32 23.27 205.61 1592.00 1682.50 202.08 -314.33 -28.54 76.66R 3.00 4.03 5958785.45 599898.58 1800.00 23.81 210.44 1653.13 1743.63 209.84 -337.81 11.05 72.246 3.00 4.10 5958761.80 599884.38 SVS 1827.21 24.07 212.34 1878.00 1768.50 212.44 -34224 -46.80 70.5R 3.00 4.12 5958752.30 599878.75 1671.10 24.54 215.33 1718.01 1808.51 215.93 -382.24 -58.86 HS 3.00 4.16 5958737.17 599868.89 1900.00 24.54 215.33 1744.30 1834.80 217.95 -37203 -63.80 HS 000 4.17 595872729 599882.08 50 R TVD above 1907.37 24.54 215.33 1751.00 1841.50 218.48 -374.53 -65.57 HS 0.00 4.18 5958724.77 599880.35 the BPRF BPRF 1940.35 24.54 215.33 1781.00 1871.50 220.76 -385.70 -73.49 HS 0.00 4.19 5958713.49 59985258 SV4 1961.24 24.54 215.33 1800.00 1890.50 222.22 -392.78 -78.51 HS 0.00 4.20 5958706.35 599847.65 Cry 3/100 1971.10 24.54 215.33 1808.97 189947 22291 -396.12 -80.88 63.73R 0.00 4.20 5958702.97 599845.33 200000 24.94 217.17 1835.22 1925.72 224.75 -405.87 -88.03 62.066 3.00 4.23 5958693.13 599838.31 2100.00 2647 223.13 1925.34 2015.84 228.34 -438.94 -116.01 5669R 3.00 4.30 5958859.70 599810.78 220000 28.22 228.44 2014.18 2104.68 227.85 -470.89 -148.94 51.976 3.00 4.38 595862731 599778.28 2300.00 30.15 233.15 2101.49 2191.99 222.88 -50164 -186.73 47.866 3.00 4.45 5958596.06 599740.90 2400.00 32.23 237.32 2187.04 2277.54 213.43 -531.11 429.28 44.296 3.00 4.51 595856603 599696.75 2500.00 34.44 241.02 2270.60 2361.10 199.93 -559.22 -276.47 41.19R 3.00 4.58 595853731 599651 94 2600.00 3674 244.33 2351.92 244242 162.22 -585.88 -328.17 38.516 3.00 4.84 5958509.96 599600.60 270000 3913 24729 2430.79 252129 180.36 -011.02 -38425 38.176 3.00 4.70 5958484.08 599544.87 SV3 2724.86 39.73 247.98 2450.00 2540.50 154.28 -617.03 -398.85 35.64R 3.00 4.71 5958477.87 599530.35 ° 2800.00 41.58 249.95 2507.00 2597.50 134.38 -634.59 -44454 34.146 3.00 4.76 5958459.72 599484.91 SV2 2844.50 42.69 251.08 2540.00 2630.50 121.53 -644.54 -472.88 33.32R 3.00 4.78 5958449.39 599456.90 2900.00 44.09 252.37 2580.33 2670.83 104.38 -658.50 -508.88 32.388 3.00 4.81 5958436.95 599420.87 3000.00 46.64 25458 2850.59 2741.09 70.43 -076.70 -577.10 30616 3.00 487 5958415.85 599352.93 310000 49.24 258.81 2717.58 2808.08 32.62 -695.14 -849.01 29.45R 3.00 492 5958398.45 599281.28 SVI 3150.34 50.56 257.57 2750.00 284050 12.17 -703.74 -686.54 28.836 3.00 4.95 595838736 599243.87 3200.00 51.87 258.49 2781.11 2871.81 -8.94 -71177 -72440 28.266 3.00 498 5958378.83 599206.12 330000 54.52 280.23 2841.02 2931.52 -54.13 -728.53 -803.09 27.226 3.00 5.03 5958363.02 599127.65 3400.00 57.20 281.86 2897.13 2987.63 -10284 -739.40 -884.84 28.36 3.00 5.08 595834907 599046.08 End Curve 3466.71 59.00 262.90 293238 3022.88 -13722 -748.90 -940.97 HS 3.00 5.11 5958340.82 598990.08 3500.00 59.00 262.90 294953 3040.03 -154.75 -750.43 -089.28 HS 0.00 5.12 5958336.92 598961.80 360000 59.00 26290 3001.03 3091.53 -207.40 -761.03 -1054.34 HS 000 5.15 5958325.19 598878.89 95/8"CSG 3685.37 59.00 262.90 3045.00 3135.50 -252.35 -770.08 -1128.96 HS 0.00 5.18 5958315.17 598804.41 3700.00 59.00 282.90 3052.54 3143.04 -260.05 -771.84 -1139.40 HS 0.00 5.18 5958313.46 598791.99 UG4 3763.03 59.00 262.90 3085.00 3175.50 -293.24 -778.32 -1193.02 HS 0.00 620 5958306.06 598738.47 380000 5900 282.90 3104.04 319454 112.70 -78224 -1224.46 HS 0.00 5.21 5958301.72 598707.09 UG4A 3879.53 59.00 262.90 3145.00 3235.50 -354.57 -790.67 -1292.11 HS 0.00 5.23 5958292.39 598639.57 390000 5900 262.90 3155.54 3248.04 -365.35 -79284 -130952 HS 000 5.23 5958289.99 598622.19 4000.00 5900 282.90 3207.05 3297.55 -418.00 -803.44 -1384.58 HS 000 5.26 595827026 598537.28 410000 59.00 26290 3258.55 3349.05 -470.84 -81404 -1478.64 HS 0.00 5.28 5958266_53 59845238 4200.00 5900 282.90 3310.05 3400.55 -523.29 -824.85 -156469 HS 0.00 5.31 5958254.80 598367.48 4300.00 5900 282.90 3361.56 3452.06 -575.94 -83525 -1849.75 HS 000 5.33 5958243.07 598282.58 4400.00 59.00 26290 3413.06 3503.56 -628.59 -845.85 -1734.81 HS 0.00 5.35 5958231.34 598197.67 UG3 4403.76 59.00 262.90 341500 3505.50 -63057 -846.25 -1738.01 HS 0.00 5.35 595823090 598194.48 Fault Al 4470.00 59.00 262.90 3449.11 353261 48544 -853.27 -1794.35 HS 0.00 5.36 5958223.13 598138.24 4500.00 5900 26290 3484.57 355507 -881.24 -856.45 -1819.87 HS 0.00 5.37 595821961 59811277 4800.00 59.00 282.90 3516.07 3606.57 -733.89 -867.05 -1904.93 HS 000 5.39 5958207.88 598027.87 4700.00 59.00 282.90 3587.57 3658.07 -788.54 -877.86 -1989.99 HS 0.00 5.41 5958196.14 597942.97 480000 5900 262.90 361908 370958 -839.19 -888.28 -2075.05 HS 0.00 5.43 595818441 597858.08 4900.00 59.00 282,90 3670.56 3761.08 -891.83 -898.86 -2180.10 HS 0.00 5.44 5958172.88 597773.18 5000.00 59.00 26290 3722.09 381259 -944.48 -909.46 -2245.18 HS 0.00 5.46 5958160.95 597888.28 5100.00 5900 26290 3773.59 3864.09 -997.13 -92007 -2330.22 HS 0.00 5.48 5958149.22 597603.38 5200.00 5900 262.90 382509 3915.59 -1049.76 -930.67 -2415.28 HS 0.00 5.49 595813749 597518.46 UGI 5258.07 59.00 26290 3855.00 3945.50 -108035 -93682 -2464.67 HS 0.00 5.50 5958130.68 597469.15 5300.00 59.00 282.90 3876.60 3967.10 -110243 -941.27 -2500.34 HS 0.00 5.51 5958125.76 597433.55 5400.00 59.00 282.90 3928.10 4018.80 -1155.08 -951.87 -258540 HS 0.00 5.52 595811403 597348.65 5500.00 59.00 282.90 397980 4070.10 -1207.73 -962.47 -287048 HS 0.00 5.54 5958102.30 597283.75 5600.00 5900 282.90 4031.11 4121.81 -1260.37 -973.08 -2755.51 HS 000 5.55 5958090.57 597178.85 Drilling Office 2.5.1100.0 Prudhoe Bay Unit-WOA\Z-PAD\Plan Z-70(SF)v6\Plan Z-70\Z-70(P17)v6 1/4/2012 3:05 AM Page 1 of 3 Comments MD Incl nem True TVDSS TVD VSEC NS EW TF DLS Directional Northing Easeng (6) (*) C) ea (N (ft) (It) Ut) 7) (°noOn)Difficulty Index (1618) (SIS) 5700.00 59.00 262.90 4082.81 4173.11 -1313.02 -983.88 -284057 HS 000 5.57 5958078.83 597093.94 5800.00 59.00 262.90 4134.12 4224.62 -1385.87 -994.28 -2925.63 HS 0.00 5.58 5958067.10 597009.04 UG_Me 5879.38 09.00 262.90 4175.00 4265.50 -1407.46 -1002.70 -299115 HS 0.00 5.59 5958057.79 596941.64 5900.00 59.00 262.90 4185.82 4278.12 -1418.32 -1004.88 -301069 HS 0.00 5.59 5958055.37 598924.14 UG_Mb1 5978.46 59.00 262.90 4225.00 4315.50 -1458.58 -1012.99 -3075.73 HS 0.00 5.60 5958046.40 596859.22 Civ 3/100 600000 59.00 282.90 4237.12 4327.62 -1470.97 -1015.48 -3095.75 LS 0.00 560 5958043.64 596839.24 6100.00 58.00 282.90 4290.85 4381.35 -1522.77 -102591 -3179.43 LS 3.00 5.63 5958032.10 596755.71 UG_Mb2 6133.81 54.99 262.90 4310.00 4400.50 -1539.88 -1029.36 -3207.08 LS 3.00 5.64 5958028.29 596728.11 6200.00 53.00 28290 4348.91 4439.41 -1572.78 -1035.98 -3260.21 LS 3.00 5.66 5958020.96 596675.08 UG Mc 6234.63 51.96 262.90 4370.00 4460.50 -1589.63 -1039.38 -3287.46 LS 3.00 5.67 5958017.20 596847.88 SB_Ne 6282.55 50.52 262.90 4400.00 4490.50 -1612.59 -1044.00 -3324.54 LS 3.00 5.68 5956012.09 596610.86 8300.00 50.00 282.90 4411.16 4501.66 -1620.83 -1045.68 -3337.88 LS 3.00 5.68 5958010.25 596597.57 SB_Nb 6313.70 49.59 262.90 4420.00 4510.50 -1627.28 -1048.95 -3348.24 LS 3.00 5.69 5958008.82' 596587.21 SB_Nc 6351.82 4545 262.90 444500 4535.50 -1844.93 -1050.51 -3376.60 LS 3.00 5.69 5958004.88 59655670 SB_Ne 6359.34 4822 26290 4450.00 4540.50 -164839 -1051.21 -3382.37 LS 3.00 570 5958004.12 59655314 6400.00 47.00 26290 4477.41 4567.91 -1666.83 -1054.92 -341217 LS 3.00 5.71 5958000.01 596523.39 6500.00 44.00 262.90 4547.49 4637.99 -1710.64 -1063.74 -348294 LS 3.00 573 595799025 596452.75 56_0A 6517.31 43.48 262.90 458000 4850.50 -1717.99 -1085.21 -3494.82 LS 3.00 5.73 5957988.61 596440.90 6600.00 41.00 26290 462121 4711.71 -1752.13 -1072.09 -3549.97 LS 3.00 5.75 5957981.01 596385.84 SB_OBe 6623.45 40.30 262.90 4639.00 4729.50 -1761.51 -1073.97 -356513 LS 3.00 5.75 5957978.92 59637072 SB OBb 6657.28 39.28 262.90 4665.00 4755.50 -1774.81 -1078.85 -3586.62 LS 3.00 5.76 5957975.96 59634927 SB_OBc 6689.38 3832 262.90 4690.00 4780.50 -1787.16 -1079.13 -360856 LS 3.00 5.77 5957973.21 596329.36 6700.00 3800 282.90 4898.37 4788.87 -1791.20 -1078.95 -3613.09 LS 3.00 5.77 5957972.31 596322.85 SB OBd 6764.68 36.06 262.90 4750.00 4840.50 -1815.13 -1084.76 -3651.74 LS 3.00 578 595796699 59628427 6800.00 35.00 282.90 4778.74 4869.24 -1827.74 -1087.30 -3672.11 LS 3.00 5.79 5957964.18 596263.94 SB_OBe 684992 33.50 262.90 4820.00 4910.50 -1844.99 -1090.77 -3699.98 LS 3.00 5.79 5957980.34 596236.11 690000 3200 262.90 4862.12 495262 -1861.84 -1094.12 -3726.87 LS 3.00 5.80 5957958.83 596209.27 58_099 6917.50 31.48 282.90 4877.00 4967.50 -1867.29 -1095.25 -3736.00 LS 3.00 5.80 5957955.38 596200.16 5B_09/Bese 6979.04 29.63 26290 4930.00 5020.50 -1888.51 -1099.12 -3767.05 LS 3.00 5.81 5957951.10 596169.17 7000.00 29.00 262.91 4948.27 5038.77 -1892.82 -1100.38 -377723 LS 3.00 5.82 5957949.70 59615901 End Come 7021.06 28.37 282.91 4988.75 5057.25 -1899.03 -1101.63 -378726 HS 3.00 5.82 595794831 596148.99 7100.00 28.37 262.91 5036.21 5126.71 -1922.07 -1106.27 -3824.48 HS 0.00 5.82 5957943.19 596111.84 720000 28.37 282.91 5124.20 521470 -195126 -1112.13 -3871.63 HS 0.00 5.83 5957936.69 596064.78 7300.00 28.37 262.81 5212.19 530269 -1980.45 -1118.00 -3918.78 HS 000 583 5957930.20 596017.71 CM-2 7320.24 28.37 262.91 5230.00 5320.50 -1986.36 -1119.19 -3928.32 HS 0.00 583 5957926.89 596008.19 7400.00 28.37 282.91 5300.18 5390.68 -2009.64 -1123.87 -3985.93 HS 0.00 5.83 5957923.71 595970.65 7500.00 28.37 262.91 5388.18 5478.68 -2038.83 -1129.74 -4013.08 HS 0.00 5.84 5957917.21 595923.59 7600.00 28.37 282.91 5476.17 5566.67 -2068.02 -1135.61 -4060.23 HS 0.00 5.84 5957910.72 595876.52 7700.00 28.37 262.91 5564.16 5654.66 -2097.21 -1141.47 -4107.38 HS 0.00 5.84 5957904.22 595829.46 7800.00 28.37 282.91 5652.15 5742.65 -2126.40 -1147.34 -415453 HS 0.00 5.85 5957897.73 595782.40 7900 00 28.37 282.91 5740.14 5830.64 -2155.59 -1153.21 -4201.68 HS 0.00 5.85 5957891.24 595735.34 8000.00 2837 26291 5828.13 5918.63 -2184.78 -1159.08 -4248.83 HS 0.00 585 5957884.74 595888.27 8100.00 28.37 282.91 5916.12 600662 -2213.97 -1184.95 -4295.98 HS 0.00 586 5957878.25 595641.21 CM-1 8149.86 28.37 262.91 5960.00 605050 -2228.53 -1167.87 -4319.49 HS 0.00 5.86 5957875.01 595617.74 8200.00 28.37 262.91 600411 609461 -2243.16 -1170.82 -4343.13 HS 0.00 586 595787175 595594.15 8300.00 28.37 262.91 6092.11 6182.61 -227235 -1176.88 -439028 HS 0.00 5.86 5957885.26 595547.08 8400.00 28.37 26291 6180.10 6270.60 -2301.54 -1182.55 -4437.43 HS 000 587 5957858.77 595500.02 Cm 3/100 8443.63 28.37 282.91 6218.49 6308.99 -2314.28 -1185.11 -4458.00 143.581 0.00 587 5957855.93 595479.48 8500.00 2702 280.70 8268.40 6358.90 -2329.98 -1188.84 -4483.93 141.631 3.00 5.68 5957851.86 595453.61 719K 8568.67 25.44 257.72 6330.00 642050 -2347.08 -1194.50 -4513.74 138.961 3.00 5.89 5957845.81 595423.88 8600.00 24.74 258.24 6358.37 6448.87 -2354.09 -1197.49 -4526.68 137.62L 3.00 5.89 5957842.65 595410.98 THRZ 8878.34 23.05 252.20 6430.00 6520.50 -2369.61 -1206.08 -4557.21 133.921 3.00 5.90 5957833.85 595380.57 8700.00 22.61 250.98 6449.96 6540.48 -2373.37 -1208.73 -4565.18 132,81 3.00 5.91 5957830.69 595372.64 8800.00 20.68 244.73 8542.92 6833.42 -2387.75 -1222.54 -4599.33 128.99L 3.00 5.92 5957816.84 595338.68 8900.00 19.02 237.36 6636.99 6727.49 -2397.21 -1238.86 -4629.02 120.06L 3.00 5.93 5957799.92 595309.21 TKLB 8934.86 18.52 234.51 6670.00 6760.50 -2399.34 -1245.14 -4638.31 117.361 3.00 5.93 5957793.52 595300.00 900000 1770 228.80 6731.92 6522.42 -2401.70 -1257.67 -465419 111.92L 3.00 5.94 595778078 595284.30 71(C4 9029.45 17.39 226.05 6760.00 6850.50 -2402.08 -1263.67 -4660.73 109.311 3.00 5.94 5957774.89 59527784 910000 16.81 219.13 6827.44 6917.94 -2401.23 -1278.90 -467475 102.89L 3.00 5.95 5957759.28 595264.02 TKBA.CU 9102.68 18.79 218.86 8830.00 6920.50 -2401.15 -1279.50 1675.24 102.431 300 5.95 5957758.67 595263.54 TKA4 9186.15 18.43 210.18 8910.00 7000.50 -2396.84 -9299.10 -4688.74 94.111 3.00 596 595773890 595250.30 TMLV 9196.57 16.41 209.08 6920.00 7010.50 -2396.06 -1301.66 -4690.20 93.051 3.00 5.96 5957736.32 595248.88 9200.00 16.40 208.71 6923.29 7013.79 -2395.79 -1302.50 -4690.66 92.71_ 3.00 596 5957735.47 595248.42 9300.00 16.53 198.12 7019.21 7109.71 -2385.40 -1328.41 -4701.87 82.551 3.00 597 5957709.42 595237.58 9400.00 17.17 188.00 7114.94 7205.44 -2370.08 -1356.55 -4708.35 72.651 3.00 5.98 5957881.20 595231.46 9500.00 18.27 178.82 7210.21 730071 -2349.88 -1386.85 -4710.08 64.111 3.00 8.00 5957850.88 595230.13 9600.00 19.76 170.81 7304.77 739527 -2324.88 -1419.22 -4707.06 58.541 3.00 6.01 5957618.56 595233.56 TKNG 9680.30 21.18 165.24 7380.00 7470.50 -2301.31 -1446.85 -4701.20 51.32L 3.00 6.01 5957591.21 595239.81 9700.00 21.56 163.99 7398.35 7488.85 -2295.07 -1453.57 -4699.29 50.151 3.00 6.02 5957584.32 595241.80 TJG 9712.54 21.80 163.21 7410.00 7500.50 -2291.01 -1458.01 -469798 49.431 3.00 6.02 5957579.89 595243.17 End Curve 9767.35 22.90 180.00 7460.70 7551.20 -2272.37 -1477.78 -4691.40 HS 3.00 6.02 595756022 59525002 9800.00 2290 180.00 749077 7581.27 -2260.86 -1489.72 -4687.05 HS 0.00 6.02 5957548.30 595254.52 9900.00 2290 18000 7582.89 7673.39 -2225.59 -1526.28 -4673.74 HS 0.00 6.03 5957511.96 595288.31 Fault 43 Highland 997000 2290 16000 7647.37 7737.87 -2200.91 -1551.88 -4664.43 HS 0.00 6.03 5957486.49 595277.97 fault 1000000 2290 180.00 7875.01 7785.51 -2190.33 -1562.85 -4660.43 HS 0.00 6.03 5957475.58 595282.11 10100.00 22.90 160.00 7767.13 7857.83 -2155.08 -1599.41 -4847.13 HS 0.00 6.03 5957439.19 595295.90 10200.00 22.90 180.00 7859.24 7949.74 -211979 -1635.98 -4633.82 HS 000 6.03 5957402.81 595309.69 10300.00 2290 180.00 7951.38 8041.86 -2084.53 -167254 -462051 KS 0.00 6.04 5957368.43 595323.48 1040000 22.90 180.00 804348 8133.98 -2049.26 -1709.11 -460720 I/O 0.00 6.04 5957330.05 595337.28 10500.00 22.90 180.00 813580 8226.10 -2013.99 -1745.67 -4593.89 HS 0.00 6.04 5957293.86 595351.07 TJC 10564.48 2290 160.00 8195.00 8285.50 -1991.25 -1769.25 -458531 HS 0.00 6.04 5957270.20 59535996 10600.00 22.90 160.00 8227.72 8318.22 -1978.73 -1782.24 -4560.58 HS 0.00 6.04 5957257.28 595364.88 10700.00 2290 180.00 8319.84 8410.34 -1943.46 -1818.81 -456727 HS 0.00 6.05 5957220.90 595378.66 7J8 1075445 22.90 160.00 8370.00 8460.50 -1924.25 -1838.72 -4560.03 HS 0.00 6.05 5957201.09 595386.17 1080000 22.90 160.00 8411.98 850246 -1906.19 -1855.37 -4553.96 HS 0.00 6.05 5957184.52 595392.45 TJA 10808.73 22.90 160.00 8420.00 6590.00 -1905.11 -1858.57 .4552.80 HS 0.00 6.05 5957181.34 595393.65 Seg TGT 10867.35 22.90 180.00 8474.00 8564.50 -1884.44 -1880.00 -4545.00 HS 0.00 8.05 5957180.01 595401.74 TSGR 10884.72 22.90 160.00 8490.00 8580.50 -1878.31 -188635 -4542.89 HS 0.00 6.05 5957153.69 59540413 7'CSG 10890.15 2290 160.00 849500 858550 -1876.40 -1888.34 -4541.97 HS 0.00 6.05 5957151.72 59540488 10900.00 22.90 180.00 8504.07 8594.57 -1872.93 -1891.94 -4540.68 HS 0.00 6.05 5957148.14 595408.24 Cry 10.7/100 10902.35 2290 180.00 850624 8598.74 -1872.10 -189280 -4540.34 21.781 0.00 8.05 5957147.28 595406.56 i TSHU 10917.37 24.40 158.58 8520.00 8610.50 -1866.60 -1898.43 -4538.21 20.481 10.70 6.05 5957141.67 595408.77 11000.00 32.82 15287 8592.49 868299 -1829.57 -193432 -4521.72 15.451 10.70 8.08 5957106.02 59542573 TEIL 11052.25 38.23 150.46 8635.00 8725.50 -1800.49 -1961.01 -4507.28 13.491 10.70 6.10 5957079.52 595440.52 TSAD(460) 11072.93 40.39 149.67 8651.00 8741.50 -1787.84 -1972.36 -4500.74 12.881. 10.70 6.10 5957068.26 59544721 11100.00 43.22 148.73 8671.17 8761.67 -1770.35 -1987.85 -4491.50 12.17L 10.70 8.11 5957052.89 595458.86 45N 11103.89 43.62 148.60 8674.00 8764.50 -176775 -1990.14 149011 12.081 10.70 6.11 5957050.63 595458.08 45P 1110527 43.77 148.55 8675.00 8765.50 -1766.82 -1990.95 -4489.61 12.051 10.70 6.12 5957049.82 59545859 Drilling Office 2.5.1 100.0 Prudhoe Bay Unit-WOA\Z-PAD\Plan Z-70(SF)v6\Plan Z-70\Z-70(P17)v6 1/4/2012 3:05 AM Page 2 of 3 CommentsMD Ind Asim WOOS DSS ND VSEC NS EW TF DLS Directional Northing Eas8n9 (ft) C) C) (ft) (D) IM (1q (n) (*) MOON)Moony Index (nus) (1615) 44N 11151.51 48.61 147.18 707.00 8797.50 -1734.30 -2019.19 -4471.86 11.1L 10.70 6.13 5957021.82 595476.72 44P 11163.77 49.90 146.85 715.00 8605.50 -1725.21 -2026.98 -4466.80 10.886 10.70 6.13 5957014.10 595481.88 438 11190.98 52.76 146.16 732.00 8822.50 -1704.40 -2044.69 -4455.07 10.456 10.70 6.14 5958996.54 59549384 43P 11197.65 53.47 146.00 736.00 8826.50 -1899.17 -2049.12 -4452.10 10.356 10.70 6.14 595899216 595496.87 11200.00 53.71 145.94 737.40 8827,90 -1897.31 -205069 -4451.04 10.32L 10.70 615 5958990.81 595497.95 PGOC 11244.05 5635 144.95 762.00 8852.50 -1661.39 -2080.76 -4430.32 9.776 10.70 6.16 5956960.81 595519.07 42N 11253.72 59.37 144.75 767.00 8857.50 -1653.24 -2087.53 -4425.55 9.666 10.70 6.16 5956954.11 595523.92 11300.00 84.28 143.83 788.85 8879,35 -161299 -2120.83 4401.74 9226 10.70 618 5958921.33 595548.17 41N 11337.61 6823 143.13 8804.00 8894.50 -1578.94 -2148.29 -4381.26 8.94L 10.70 6.19 5956893.95 595589.02 41P 11389.83 73.75 142.23 8821.00 8911.50 -1530.03 -2187.54 -4351.33 8.651 10.70 6.21 5958855.11 595599.48 11400.00 7483 142.06 8823.75 891425 -1520.32 -2195.27 -4345.32 8.66 10.70 6.21 5956847.46 595605.57 11500.00 85.41 14046 884088 8931.38 -1422.53 -227198 4283.74 8.336 10.70 624 5956771.57 595668.16 End Curve 1153743 89.38 139.88 8842.58 8933.08 -1385.29 -2300_89 -4259.79 HS 10_70 6.25 5956743.19 59569248 11600.00 8938 139.88 884326 8933.78 -1322.96 -2348.54 4219.48 HS 0.00 6.26 5956695.89 595733.43 11700.00 89.38 139.88 8844.35 8934.85 -1223.33 -2425.00 -4155.05 HS 0.00 6.27 5958820.29 595798.87 Cry 101100 11756.95 89.38 139.88 8844.97 893547 -1166.59 -2488.55 -411835 10.82R 0.00 6.28 5956577.24 595836.13 End Curve 11763.28 9000 140.00 8845.00 8935.50 -1160.28 -2473.40 -411428 HS 10.00 828 595657245 595840.27 11800.00 80.00 140.00 8845.00 8935.50 -1123.70 -2501.52 4090.68 HS 000 8.28 5956544.84 595864.24 2-70 TGT 4 11863.28 90.00 140.00 884500 693550 -1060.66 -255000 -4050.00 90R 000 6.29 595649871 595905.56 11900.00 90.00 143.67 8845.00 8935.50 -1024.21 -2578.87 -4027.31 90R 10.00 8.30 5956488.15 595928.62 12000.00 90.00 153.87 884500 8935.50 -927.18 -2664.18 -397539 90R 10.00 6.33 5956383.55 595981.67 12100.00 90.00 183.67 884500 6935.50 -835.69 -2757.21 -393908 909 10.00 6.38 5958291.01 596019.23 Fe146 84 12200.00 90.00 173.67 8845.00 8935.50 -752.58 -2855.14 -3919.44 900 10.00 638 5956193.37 596040.15 Clv 10/100 12263.28 90.00 180.00 884500 8935.50 -705.45 -2918.29 -3915.95 87.56L 10.00 640 5956130.27 596044.47 12300.00 90.16 178.33 8844.95 893545 -878.88 -295499 -391478 87.571_ 10.00 641 5956093.60 596046.14 12400.00 90.58 168.34 8844.31 893481 -598.22 -3053.72 -389973 87.636 10_00 6.44 5955995.09 596062.49 12500.00 90.98 156.35 884295 893345 -508.73 -3148.33 -3867.79 87.776 10.00 6.46 5955900.91 596095.69 12600.00 91.35 146.35 8840.91 893141 -412.92 -3235.96 -3819.91 87.976 10.00 6.49 5955813.94 596144.72 End Curve 12677.01 9161 138.65 8838.91 892941 -336.65 -3296.99 -3773.08 HS 10.00 6.50 5955753.53 59619235 Cry 10/100 12692.29 91.61 138.85 8838.48 8928.98 -321.41 -3308.46 -3763.00 108.746 0.00 8.51 5955742.21 596202.59 12700.00 91.39 137.91 1383828 8928.78 -313.71 -3314.21 -3757.87 106766 10.00 6.51 5955736.52 596207.80 Z-70 TGT 6 12782.66 89.00 130.00 8838.00 8928.50 -231.14 -3371.54 -3891341 97.526 10.00 6.53 5955680.00 596268.00 12800.00 88.77 128.28 8838.34 8928.84 -213.89 -3382.48 -3684.97 97.486 10.00 6.53 5955689.24 596281.59 End Curve 12848.10 88.15 123.51 8839.63 8930.13 -168.43 -3410.66 -364603 HS 10.00 8.54 595584158 596320.90 12900.00 88.15 123.51 8841.30 8831.80 -115.60 -3439.30 -3602.78 HS 0.00 6.55 5955813.52 596384.52 13000.00 88.15 123.51 8844.53 8935.03 -17.85 -349448 -351944 HS 0.00 8.56 5955559.48 596448.58 13100.00 88.15 123.51 8847.75 8938.25 80.29 -3549.65 -3438,10 HS 0.00 8.56 5955505.40 598532.63 13200.00 88.15 123.51 8850.97 8841.47 178.24 -3604.83 -3352,77 HS 0.00 8.57 5955451.34 598616.69 1330000 8815 123.51 8854.20 8944.70 276.18 -3860.51 -3289.43 HS 0.00 6.58 5955397.28 596700.74 13400.00 88.15 123.51 8857.42 8947.92 374.13 -3715.19 -3186.09 HS 0.00 6.59 5955343.22 596784.80 Z-70 TGT 7 1347995 88.15 123.51 8880.00 8950.50 - 452.43 -375930 -311947 0.00 8.80 5955300.00 596852.00 Survey Type: Def Men Legal Description: Northing Ill Eastina 00 50r100e:4293.8 FSL 2758.7 FEL 819 711N 612E UM 5959100.100 599920.930 z-701987/BHL 534 FSL 921 FEL 24 TI1N R11EUM 5955300000 598852.000 • Drilling Office 2.5.1100.0 Prudhoe Bay Unit-WOA\Z-PAD\Plan Z-70(SF)v6\Plan Z-70\Z-70(P17)v6 1/4/2012 3:05 AM Page 3 of 3 by 0 Schlumberger WELL Plan Z-70 (P17) FIELD Prudhoe Bay Unit-WOA 5 R� E Z-PAD Magneto Parameters Surface Locatun NRD27 Nasal State Plane,Zone 04,US Feet Miscellaneous Motley. BGGM 2011 DP. 80.972' Date May 01,2012 Lat. N 701751.624 NOMing. 5959100.1OMJS Sod Cone 0.767809W' Slot Z-70(SF) ND Ref Rot,TaMa(90.56 alnve MSL) Mag Dec: 20.802' FS 57644.SOT Lon W1491126.970 Easeng: 599920.9311115 Scala Fac:0.99891134 Plan: Z-70(P17)v6 Sr)/Date Npll 26,2011 -5000 -4000 -3000 -2000 -1000 0 2000 6 2000 N 1000 1000 RTE KOP Cry 1/100 Cry 2/100 0 0 SO ft TVD above the BPRF Cry 2.5/100 Cry 3/100 bi— Cry 3/100 Cry 3/100 • A -1000 ...o..End.grve o -1000 A •• A Z Cry 3/100 o 618"CSG End Curve Sag TGT p End Calve 0 A 01 7"CSG O 1\-4' Drillers poy_P15 -2000 Cry 15)100 ill‘o•Z-70 GOPoly , -2000 0 cry lonoo Ta U End Curve 1n V) End Curve b\ Z-70 TGT 4 ..'r \' V -3000 Cry 10/100 Ii -3000 ' lL End Curve �•` Cry 10/100 ' ` Z-70 TGT 7 Z-70 TGT 6 • -4000 End Curve Z-70(P17)v� -4000 -5000 a -5000 -6000 . -6000 -5000 -4000 -3000 -2000 -1000 0 «< W Scale=1:1000(ft) E >>> by 1::t Schlumberger WELL Plan Z-70 (P17) FIELD Prudhoe Bay Unit-WOA STRUCTLvE Z-PAD Magn.EC Parameters Surface Looecn 140027 Alaska State Plane.Zone 04.U6 Feet Miscellaneous Model'. 8GGM 2011 D9'. 609R• Data: Slay 01.2012 Lat N 70 17 51 624 NONv1g: 5959100.10716 Grid Conk:0761809W Slot 2.70(SF) TVD Ret. Rotary Tada(90.51t above MEL) Mag Dec: 20.802' FS: 57604 517 Lon: W 14911 26.970 Easeng: 599920 93 6115 Sola Fact 0.99991134 Plan: 2-70(P17)v6 Snot Date Apel 26.2011 -3600 -2400 -1200 0 1200 2400 • • 0 RTE 0 KOP afery 4790 . 1 c Cry 2/100 Cry 2.5/100 1200 Cry moo 1200 Cry 3/100 • 4. SV4 VW i' Soft ND above the BPRF 2400 0 •••• 2400 • • + i i i•• 2� b i 95/8'CSG •41 - UC79 a t 1 G ::•2Eadm •Cve tr UG3 3600 $ 1 i .410.1.1. 3 & 1 3600 a •.. di a E. Cry 31100 O N ,pyo .. 11111111!1118111 s _:_1': 1'.09 3 g i II i. i i i i a) 4800 tUUtRtt :::x•:::::::::::::::: _•A x ... To v z14ESiISSPtr S:.:iP r i : : i co ` :'base O a •k,Q a 6000 6000 M-1 Cry 3/100 • 13K • pt • I' 7200 io i i 7200 End Curve i i a Fault#3 Highland fault Cr(r 10.7/100 Z-70 TGT 6 Sag TG r CSG Curve 8400 : J• ••• ••• 8400 8 YStlf£1•••••imH 1 ervYmtoo. /End 1- 1 !acne$ :^.:::: i - : l...iI e"'s.la:a::::::ui...i !HMSt !; Fault#4 -70(P17)v6 End Curve Cry 10/100 y\ End Cu[ve End Curve Z-70 TGT 4 Cry 10/100 Z-70 TGT 7 -3600 -2400 -1200 0 1200 2400 Vertical Section(ft)Azim=135°Scale=1:1200(ft) Origin=0 NI-S,0 El-V 0 0 0 O O O r- o r) co m rn o O 0 _ o 0 0 ii P �N 0 O ....., •• 0 co co p ii E 8 C`co:t 2n ea z< :: --e 0 •••.q ..4 ......ii... ...... O rcd Z U ii9 Q W Q CF I I c. F N 2Q w zapo .. .. N o 0 M e r) CO H sem$ ii S Z $i ! o ii p U C df= W LLe 1 ii 0 a stn O ii O 0 a 81 o ._ _ ii -- o 0 gy o s yII C Y 5 LL a a) HBe U U CCUCO (n m gco 00 y YL' 0 ..S .....ii... o II o co L N O. .fig v 'z3 I C 9 O ~ U O :: p O — N ....q ..q ......)... ...qq. ... o..Y' Cl CO U 3 aLL 0 I 0 U0.) i u0) - a tii ti> i W O. S �.r 6 U IS; :Fn •• gct o s A Z N c---... a,c. a C 0 O O : 4 7 0 C Q O .... .Z. CO a CIO H a :: E a • ^ ID F ii N a xn O iiO oi..� ......ii... o O O O O o O N- O p) CO O) W (4)0Oc: =9Ie0S a i 1 47— 45— t 42- 40 2-40— Z-65/Z-65 37— Plan Sch Z-215(SH)v6/Plan#2 Z-215 v6 35- 32 5-32— 30— h Z-215(SH)v6/1=lan#2 Z-215 v6 / Plan Sch Z-215(SH)v6/Plan#2 Z-215 v6 Z-65/Plan#13 2-65 approved c 27- 0 m n. In 25— m 4C- 22— 0 22- 0 Z-65/Z-65 c a.) 0 20— 17— Z-65/Plan#13 Z-65 approved Z-65/Ptan#13 2.65..proved 15— Z-05! -frj -65 12- 10- 7— 5— Project: Prudhoe Bay Site: PB Z Pad Under Consolidation Well: Plan lvi Z-70(SF)v6 Wellbore: Plan Z-70 2— Design: Plan # 17 Z-70 v6 0 I I I I I I I I I I 1 l I I 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1400 Measured Depth (200 ft/in) BPPASSPORT Anticollision Report Company: North America-ALASKA-BP Local Co-ordinate Reference: Well Plan lvi Z-70(SF)v6 Project: Prudhoe Bay TVD Reference: Z-70 plan @ 90.50ft Reference Site: PB Z Pad_Under Consolidation MD Reference: Z-70 plan @ 90.50ft Site Error: 0.00ft North Reference: True Reference Well: Plan Ivi Z-70(SF)v6 Survey Calculation Method: Minimum Curvature Well Error: 0.00ft Output errors are at 1.00 sigma Reference Wellbore Plan Z-70 Database: EDM.16-ANC Prod-WH24P Reference Design: Plan#17 Z-70 v6 Offset ND Reference: Offset Datum Reference Plan#17 Z-70 v6 Filter type: GLOBAL FILTER APPLIED:All welipaths within 200'+ 100/1000 of refer Interpolation Method: MD Interval 25.00ft Error Model: ISCWSA 'Depth Range: Unlimited Scan Method: Tray.Cylinder North Results Limited by: Maximum center-center distance of 1.544.565 Error Surface: Elliptical Conic Survey Tool Program Date 12/30/2011 From To (ft) (ft) Survey(Wellbore) Tool Name Description 34.30 1,000.00 Plan# 17 Z-70 v6(Plan Z-70) GYD-GC-SS Gyrodata gyro single shots 1.000.00 1,500.00 Plan#17 Z-70 v6(Plan Z-70) MWD MWD-Standard 1,000.00 3,685.00 Plan#17 Z-70 v6(Plan Z-70) MWD+IFR+MS MWD+ IFR+Multi Station 3.685.00 5,200.00 Plan#17 Z-70 v6(Plan Z-70) MWD MWD-Standard 3,685.00 10,890.00 Plan#17 Z-70 v6(Plan Z-70) MWD+IFR+MS MWD+ IFR+ Multi Station 10.890.00 12.400.00 Plan#17 Z-70 v6(Plan Z-70) MWD MWD-Standard 10,890.00 13,479.95 Plan#17 Z-70 v6(Plan Z-70) MWD+IFR+MS MWD+IFR+Multi Station 12/30/2011 5:30:55AM Page 2 of 5 COMPASS 2003.16 Build 73 BPPASSPORT Anticollision Report Company: North America-ALASKA-BP Local Co-ordinate Reference: Well Plan lvi Z-70(SF)v6 Project: Prudhoe Bay TVD Reference: Z-70 plan @ 90.50ft Reference Site: PB Z Pad_Under Consolidation MD Reference: Z-70 plan @ 90.50ft Site Error: O.00ft North Reference: True Reference Well: Plan lvi Z-70(SF)v6 Survey Calculation Method: Minimum Curvature Well Error: O.00ft Output errors are at 1.00 sigma Reference Wellbore Plan Z-70 Database: EDM.16-ANC Prod-WH24P Reference Design: Plan#17 Z-70 v6 Offset ND Reference: Offset Datum Summary Reference Offset Centre to No-Go Allowable Measured Measured Centre Distance Deviation Warning Site Name Depth Depth Distance (ft) from Plan Offset Well-Wellbore-Design (ft) (ft) (ft) (ft) EX HIGHLANDST HIGHLANDST-HIGHLANDST-HIGHLANDST 11,900.00 9,050.00 794.45 13,112.88 -12.117.16 FAIL-Major Risk PB Z Pad_Under Consolidation Plan Ivi Z-34(SM)v6-Plan Z-34-Plan#10b Z-32 1.315.71 1,325.00 194.36 23.73 170.91 Pass-Major Risk Plan Ivi Z-40(SI)v6-Plan Z-40-Plan#15 Z-40 v 1,448.90 1,450.00 60.59 28.15 32.52 Pass-Major Risk Plan lvi Z-50(SA)v6-Plan Z-50-Plan#8 Z-50 vE 673.88 675.00 91.44 11.80 79.65 Pass-Major Risk Plan lvi Z-51 (NA)v6-Plan Ivi Z-Z51-Plan#2 Z-f 232.98 225.00 164.18 3.98 160.21 Pass-Major Risk Plan Ivi Z-55(SB)v6-Plan Z-55-Plan#4 Z-55 vE 626.41 625.00 76.02 11.40 64.63 Pass-Major Risk Plan lvi Z-57(ND)v6-Plan Z-57-Plan#4 Z-57 vi 405.40 400.00 145.91 7.55 138.36 Pass-Major Risk Plan lvi Z-61 (NF)v6-Plan Z-61-Plan#4 Z-61 vE 405.41 400.00 141.20 7.55 133.65 Pass-Major Risk Plan Ivi Z-62(NC)v6-Plan Z-62-Plan#2 Z-62 Nit 622.47 625.00 138.88 10.25 128.73 Pass-Major Risk Plan Ivi Z-66(SC)v6-Plan Z-66-Plan#14 Z-66) 549.94 550.00 60.99 10.27 50.72 Pass-Major Risk Plan Ivi Z-68(SP)v6-Plan Z-68-Plan#7 Z-68 577.11 575.00 250.66 10.29 240.38 Pass-Major Risk Plan lvi Z-69(NJ)v6-Plan Z-69-Plan#3 Z-69 v6 429.83 425.00 163.80 8.01 155.79 Pass-Major Risk Plan Kup Z-105(SN)v6-Plan Z-105-Plan#4 Z-1 657.44 650.00 220.52 11.54 208.99 Pass-Major Risk Plan Kup Z-105(SN)v6-Plan Z-105PB1-Plan# 657.44 650.00 220.52 11.87 208.66 Pass-Major Risk Plan Kup Z-115(NG)v6-Plan Z-115 w/PH-Plan 349.10 350.00 142.28 6.67 135.61 Pass-Major Risk Plan Kup Z-115(NG)v6-Plan Z-115PB1 -Plan# 349.10 350.00 142.28 6.67 135.61 Pass-Major Risk Plan Sch Z-201 (NM)v6-Plan Z-201 -Plan#6 Z-: 478.66 475.00 256.04 8.77 247.27 Pass-Major Risk Plan Sch Z-202(NB)v6-Plan Z-202-Plan#2 Z 283.00 275.00 156.17 5.30 150.87 Pass-Major Risk Plan Sch Z-203(SO)v6-Plan Z-203-Plan#3 Z 433.07 425.00 236.09 8.11 227.98 Pass-Major Risk Plan Sch Z-211(SJ)v6-Plan Z-211-Plan#5 Z-2 657.26 650.00 76.01 11.87 64.15 Pass-Major Risk Plan Sch Z-213(NL)v6-Plan Z-213-Plan#3 Z-2 356.63 350.00 180.16 6.63 173.53 Pass-Major Risk Plan Sch Z-214(SK)v6-Plan Z-214-Plan#2 Z-2 407.98 400.00 91.01 7.59 83.42 Pass-Major Risk Plan Sch Z-215(SH)v6-Plan Z-215-Plan#2 Z-2 407.96 400.00 30.88 7.59 23.30 Pass-Major Risk Plan Sch Z-216(NI)v6-Plan Z-216-Plan#2 Z-2 356.62 350.00 156.02 6.63 149.38 Pass-Major Risk Plan Sch Z-218(NE)v6-Plan Z-218-Plan#2 Z-2 405.41 400.00 141.21 7.55 133.65 Pass-Major Risk Z-01 -Z-01 -Z-01 2.884.34 2.675.00 685.08 50.71 635.18 Pass-Major Risk Z-01 -Z-01 A-Z-01 A 2.884.34 2.675.00 685.08 50.71 635.18 Pass-Major Risk Z-01-Z-01 APB1 -Z-01 APB1 2.884.34 2.675.00 685.08 50.71 635.18 Pass-Major Risk Z-01-Z-01 APB2-Z-01 APB2 13,467.62 11,900.00 338.14 181.09 158.57 Pass-Major Risk Z-01-Z-01 B-Z-01 B 2,884.34 2.675.00 685.08 50.71 635.18 Pass-Major Risk Z-108-Plan Z-108A v5-Plan#2 Z-108A 3.335.87 3.050.00 292.03 60.79 237.15 Pass-Major Risk Z-108-Plan Z-108APB1 v5-Plan#2 Z-108APB1 3.335.87 3,050.00 292.03 60.81 237.15 Pass-Major Risk Z-108-Z-108-Z-108 3.335.87 3.050.00 292.03 60.83 237.16 Pass-Major Risk 1 Z-112-Z-112-Z-112 3.153.30 2.975.00 100.08 57.35 45.74 Pass-Major Risk Z-112-Z-112PB1-Z-112PB1 3,153.30 2,975.00 100.08 57.35 45.74 Pass-Major Risk Z-112-Z-112PB2-Z-112PB2 3,153.30 2.975.00 100.08 57.35 45.74 Pass-Major Risk Z-113-Z-113-Z-113 397.75 400.00 145.15 6.88 138.26 Pass-Major Risk Z-113-Z-113PB1 -Z-113PB1 397.75 400.00 145.15 6.73 138.42 Pass-Major Risk Z-16-Z-16-Z-16 2.089.59 2.075.00 97.15 49.27 50.14 Pass-Major Risk Z-16-Z-16A-Z-16A 2.089.59 2.075.00 97.15 49.32 50.09 Pass-Major Risk Z-17-Z-17-Z-17 771.34 775.00 238.91 13.11 225.80 Pass-Major Risk Z-18-Z-18-Z-18 1.790.67 1.825.00 102.87 35.98 68.28 Pass-Major Risk Z-19-Z-19Z-19-Z-19-Z-19 722.82 725.00 165.85 17.58 148.27 Pass-Major Risk Z-19-Z-19A-Z-19A 726.95 725.00 165.98 17.75 148.24 Pass-Major Risk Z-20-Z-20-Z-20 697.76 700.00 134.23 12.28 121.95 Pass-Major Risk Z-33-Z-33A-Z-33A 13,151.98 11.550.00 134.51 156.23 -0.97 FAIL-Major Risk Z-39-Z-39-Z-39 2.595.32 2.550.00 435.97 42.21 396.00 Pass-Major Risk Z-39-Z-39A-Z-39A 2.595.32 2.550.00 435.97 42.22 395.99 Pass-Major Risk Z-46-Z-46-Z-46 806.08 800.00 177.10 14.44 162.73 Pass-Major Risk Z-46-Z-46A-Z-46A 806.08 800.00 177.10 14.48 162.68 Pass-Major Risk Z-65-Z-65-Z-65 326.16 325.00 14.01 5.55 8.46 Pass-Major Risk 12/30/2011 5:30:55AM Page 3 of 5 COMPASS 2003.16 Build 73 BPPASSPORT Anticollision Report Company: North America-ALASKA-BP Local Co-ordinate Reference: Well Plan Ivi Z-70(SF)v6 Project: Prudhoe Bay TVD Reference: Z-70 plan @ 90.50ft Reference Site: PB Z Pad_Under Consolidation MD Reference: Z-70 plan @ 90.50ft Site Error: 0.00ft North Reference: True Reference Well: Plan lvi Z-70(SF)v6 Survey Calculation Method: Minimum Curvature Well Error: O.00ft Output errors are at 1.00 sigma Reference Wellbore Plan Z-70 Database: EDM.16-ANC Prod-WH24P Reference Design: Plan#17 Z-70 v6 Offset ND Reference: Offset Datum Summary Reference Offset Centre to No-Go Allowable Measured Measured Centre Distance Deviation Warning Site Name Depth Depth Distance (ft) from Plan Offset Well-Wellbore-Design (ft) (ft) (ft) (ft) PB Z Pad_Under Consolidation Z-65-Z-65PB1 -Plan#13 Z-65 approved 524.95 525.00 15.75 9.50 6.25 Pass-Major Risk Z-65-Z-65PB1 -Z-65PB1 326.16 325.00 14.01 5.55 8.46 Pass-Major Risk Z-67-Z-67-Z-67 5.088.58 4.325.00 241.39 133.12 118.01 Pass-Major Risk 12/30/2011 5:30.:55AM Page 4 of 5 COMPASS 2003.16 Build 73 Project: Prudhoe Bay Site: PB Z Pad Under Consolidation Well: Plan lvi Z-70(SF)v6 Wellbore: Plan Z-70 Design: Plan#17 Z-70 v6 OfttoT Scan Interva?25 ft Scale 1 : 50 Minor risks applied to Z-33A,0 error to Highland 0 Z-65,PFan#13 Z-65 approved WIT,x.h Z-218(NE)v6%Plan#2 Z-218 v6 ;Jr,. '' +liiC1;.,4,2,..C41,„,, ,,t� .Kt_'..',..,,. .,.fin#10 Z-115PB1 v6 4111.-1 �V.. ..e`yr 113/2-113PB1 Pla:} o f k,;,g,;,g;:,14:1 ',U,v r+t `»��r4i. yy w ,, n Sch Z-216(NI)v6/Plan#2 Z-216 v6 1141 330 +a l sffii pa a ,atei y^e -,, y > i-t fr - "44+4,"7.-r 'n rv,L-CItl(,vJ/vwr,an A3 tca VO 'Aid,` " 4 *C.}' + 3.;; , at, µ ." 't 44 j n SCh Z-211(SJ)v6/Plan#5 Z-211 v6 1« ��, 2-215(SH)v6/Plan#2 2-215 v6 n: Mitt:I i i 1100 d rrt 1 '1i+`A.� ub war- 0••►�!!'°�, 1•;�� 107? 1_ , oa 4 w'y f, t �yf$. ,, 1• o j s / Pt?n S�Z-214(SK)v6/Plan#2 Z-214 v6 ..ill%/M.v1"9 • ''17911813 1835 \ 91(!1062 `is�i4'//r i- :, 1033 2� ♦ 69 i 15 1856 °a. , at/,4--`*feApe: - 'c801p .'s ti€ •t I 1&.7 83040 300d, 1ttt a',' 987. r -��3 r• 91 /t44001/0111> r ,t 987 is 1 r'1 866 9.-0.1941 8•, , .�® , `� ' die „ ».d'y? 1,8.: ea3 t. 7 . rte r` > .:rrr�°� 'i rJilr ..1 �• , , . _ 971 ON �,, ;). 1 ',9B9 4. 18/917 . •7 1 , , q .. 11 ¢ ;:965 9991 894 r yr. 9. 946 `IOi Z-182-18 . _J)� 0 . n't�$ 3 870 . ;t 5�M 9 75 775 �,t -1. .re.: $19 ,4.\ y9 8 :; 846 l' - .0'3l . ..!h��' t,'.f822 .i: i 72X 877 751' +' 703 253 27 /� - ��• � / 7 F r. tfi6559 80ti 679 it g ,_ � 131 , ( a tiyY 1 f'4)I t �` �. 2 .3, _ 4 4 6315 ' • r: , ..„, ,�„ , t g ? • i tic SK;' �.• '*, ”: rta,. l'§,. i14. ill, 13141 _ 1.. `�7 `►�imii � f.t,‘ ! 7t4T ,F 4. ) 0+'r t684 , 1 �; 197 1 , ►- t i( �, 1•+ \ .S 13145 {r �► 17.7 ' J �� \_ " 780 !; r,6 r '\ 4 irliph,... '\ . ;18Dy t.3 .0,,,,x, ., , ,iii k i!I ii, AK •,„.., r 'If 147 -1- k Niti 111-' , •.• j„��\gav�@,�� �� ��1" 240 If 31 1 ♦i.�' � , ,: 40 1'20 -'Am� 153 -� ' t, ��• ,{ �` �b iiii21 lio.i ,r „ �1'�' r(st)relPlan#15 Z-40 v8 or i �i./ ' -444111*41‘22VA .• � r41' �-„212_112:2 210 ,�, efeN, �� ,� 150 Z-1; 7.1% -33A 180 Travelling Cylinder Azimuth(TFO+AZI)[°]vs Centre to Centre Separation[50 ft/in] I ow ow ow 1 oN og zioi g " vi .... i ' ; ' rill 1 RIi 0 cF1 . 00 I of - —41 04 ow ow o ,1 Iiii-..... . p ,;• .. 0 iA: ''..... ........ 7017;:4 i . IP il ' V.111(NI L I - ....:. Th.__r--•[ „•• IIINO ,, 111.1= .1 , ri,! 41 -40.1.111..111111011 . '4111•1111 ---..-' • .,1 v. at_.... 1 .. ________ ...,M. - i_dwumsm,4111111111•11111:4 7t- .T.9, . ii ! -- :.., • r- eh. III ; - .a MUM -->1 ..44 --r*-4.. 1I-1 : t ' - i o I go) ' I ! .,...ital ,,.. 1 :::,..,.`1:::,•''''-:: ."....... j ,.. .14. ----r ..•. -..—.— - 1•••••• la t......, 0,— A Ill © -?. .. a ..::4.‘.17:t E. ":•:.,, P li III I III111111 /411-\116, I "l ' ---..... , ---------eimingm i is la, , .._ — Pir.4.717 \--.:i., •T P'il I • ' - rr, 0 .7---HII 1 0 O . ' • III Y;.: [ - i J II ,:. r r• i ' it:'i.'L ft-1. kt- i _ .::. :mist ---J I IIIliii ‘‘11./, I III -.4 I III /''' ' I III ---.. r,-• .,--- C.) .., t• ., 4 -- ',.F.. 5'. _, ,i [ ,.--X,:rf, . t 9 . f. a pD rl., j , , ` yy '..:4 V-PAD ..(t. i _N_ ,'i 1 1 i-N GRID h ' 1J \\‘‘ tip-� I y , -0SPINE OD U'S 9 ■ ■ 33 ° 41 It L l 8 ■ ■ 32 .:• \ J 7 ■ ■ 31 VII t) \ '�J W-PAO- 6 i j s e 112 ZD El 29 108 28 t 1021 \1 / r�� , — 3 ■ _ f'61 THIS PROJECT ,,' 2 ■ ■ 104i .�" =r l F ■ tt4; ■ 1031 5 1 ■ ■ SPARE-A / ) • P-504A -�j ® ■ P-5048 (is anima � , , , ,„ •Si IBIN im = VICINITY MAP El NTS ■ 21 ■ 22 39 ■ 11 ■ • 23 12 ■ ■ 24 13 ■ ■ 25 4 • ■ 26 ■ SLOT r ,>>�1��i11111Sf 15 U ■ SLOT 2 �.� OF q '+f 6 . •• Z-o8 •% -cE... ..,(4 ff1 ■ 101 _• .`P.•'• .. 5‘1-1li 17 ■ '?.' �.,� :.q 1 SURVEYOR'S CERTIFICATE w 18 • . •',* ♦ I HEREBY CERTIFY THAT I AM ili 46 ■ of PROPERLY REGISTERED AND LICENSED 19 • Z-PAD g y •••• TO PRACTICE LAND SURVEYING IN W ..�.•�k► °, THE STATE OF ALASKA AND THAT 20 • "'••••5� •••• MADE BY ME OR, THIS AS-BUILT UNDERMY DIRECT TVEY ' 5 5 51i °' ichard F. Allison y ,... _ DIMENSISUPERVISION AND THAT ALL ONS AND OTHER DETAILS ARE 202 r CORRECT AS OF JULY 02, 2011. M BB 57 �, gi s 6�8 � ' ii fs\I - s SG s ffff ff++ `'ESSI ONA k. _113 Mtn % 69 I 40 2161 �� ❑- 231 LEGEND 141 05 I - 271 • AS-BUILT CONDUCTOR 268 2y 21 21 ■ EXISTING WELL CONDUCTOR NOTES: 1. ALASKA STATE PLANE COORDINATES ARE ZONE 4. HAD 27. 2. HORIZONTAL CONTROL IS BASED ON Z PAD CONTROL MONUMENTS MON 2 AND MON 3. 3. VERTICAL CONTROL IS BASED ON 2 PAD MONUMENTATION. 4. ELEVATIONS ARE BPX MEAN SEA LEVEL (M.S.L) DATUM. 5. GEODETIC DATUM IS NAD27. 6. PAD AVERAGE SCALE FACTOR 1S 0.999911213. 7. DATES OF SURVEY: JUNE 28-30, JULY 1-2, 2011. 8. REFERENCE FIELD BOOKS: NS11-44 PGS. 1-75; NS11-46 PGS. 1-9. AS-BUILT WELL CONDUCTORS 34i. 40, 42, 50, 511, 55, 57, 61, 62. 65, 66, 68, 69, 70, 105, 113, 115, 201, 202, 203, 2111. 212i, 213i, 214i, 215i, 216i, 217i, 218i, SO, SG, SL, NK 1 _-_- __ F. Rober11 °P4n4 BARNHART Irr .��J;;c by rW 0 7/1/11 8 N g FR811 WOZ 21 WOA Z-PAD SHEET fl Ub. 4 WRD PAD EXPANSION $ 7/1/111E940 FOR INCPIRSIATION 1iO 4.1 .VW a,"RIMMED,:. 1' s 200' AS-BUILT WELL CONDUCTORS 1 EF 3 N o, 1).TE PEviSKTi 81 'v'Hr: ,w,a.x nnau w!1 LOCATED WITHIN PROTRACTED SEC. 19, T. 11 N., R. 12 E., UMIAT MERIDIAN, ALASKA WELL A.S.P. PLANT GEODETIC GEODETIC CELLAR SECTION NO. COORDINATES COORDINATES POSITION(DMS) POSITION(D.DD) BOX ELEV. OFFSETS Y= 5,959,100.13 N= 1,179.09 70°17'51.597" 70.2976658° 4,292' FSL 341 X= 600,125.84 E= 1,870.12 149°11'20.998" 149.1891661' 56.1` 2,552' FEL Y= 5,959,100.17 N= 1324.00 70°17'51.616" 70.2976711' 4,294' FSL 40 X= 599,980.94 E= 1870.16 149'11'25.221" 149.1903392' 56'0" 2,697' FEL Y=5,959,239.95 N= 1,126.45 70'17'52.965" 70.2980458' 4,431' FSL 42 X= 600,178.47 E= 2,009.96 149°11'19.409"" 149.1887247' 56'0' 2,497' FEL Y= 5,959,100.19 N= 1,473.93 70'17'51.636" 70.2976767° 4,296' FSL 50 X= 599,831.02 E= 1,870.18 149'11'29.591" 149.1915531' 56'2' 2,847' FEL Y=5,959,240.04 N= 1,466.46 70'17'53.011" 70.2980586' 4,435' FSL 511 X= 599,838.49 E= 2,010.05 149'11'29.319" 149.1914775' 55'9 2,837' FEL Y= 5,959,100.12 N= 1,458.95 70'17'51.634" 70.2976761' 4,295' FSL 55 X= 599,846.00 E= 1,870.11 149'11'29.155" 149.1914319° 56.1 2,832' FEL Y=5,959,240.04 N= 1,421.49 70'17'53.005" 70.2980569' 4,435' FSL 57 X= 599,883.46 E= 2,010.05 149'11'28.009" 149.1911136' 55'9, 2,792' FEL Y=5,959,239.97 N= 1,376.44 70'17'52.998" 70.2980550° 4,434' FSL_ 61 X= 599,928.50 E= 2,009.98 149'11'26.695" 149.1907486° 55.9' 2,747' FEL Y=5,959,239.94 N= 1,436.45 70°17'53.006" 70.2980572' 4,435' FSL 62 X= 599,868.50 E= 2,009.95 149'11'28.445" 149.1912347' 56.0' 2,807' FEL Y= 5,959,100.15 N= 1,398.94 7017'51.626" 70.2976739' 4,295' FSL 65 X= 599,906.01 E= 1,870.14 149'11'27.405", 149.1909458° 56'1 2,772' FEL Y= 5,959,100.11 N= 1,443.99 70'17'51.632" 70.2976756' 4,295' FSL 66 X= 599,860.96 E= 1,870.11 149'11'28.719" 149.1913108' 56.2' 2,817' FEL Y=5,959,100.23 N= 1,134.00 70'17'51.592" 70.2976644' 4,291' FSL 68 X= 600,170.92 E= 1,870.22 149°11'19.683" 149.1888008' 55.9' 2,507' FEL Y=5,959,239.94 N= 1,301.49 70'17'52.988" 70.2980522' 4,433' FSL 69 X= 600,003.45 E= 2,009.95 149'11'24.511" 149.1901419° 56.1' 2,672' FEL 70 Y= 5,959,100.10 N= 1,384.02 70'17'51.624" 70.2976733' 56 2' /4,294' FSL X= 599,920.93 E= 1,870.09 149'11'26.971" 149.1908253° 2,757' FEL Y=5,959,100.05 N= 1,163.88 70°17'51.594" 70.2976650' 4,291' FSL 105 X= 600,141.04 E= 1,870.04 149°11'20.554" 149.1890428' 55'9 2,537' FEL Y=5,959,239.90 N= 1,346.45 70'17'52.994" 70.2980539' 4,434' FSL 113 X= 599,958.49 E= 2,009.91 149'11'25.821" 149.1905058' 56.0' 2,717' FEL Y=5,959,240.03 N= 1,361.38 70'17'52.997" 70.2980547' 4,434' FSL 115 X= 599,943.56 E= 2,010.04 149'11'26.256" 149.1906267' 55.9 2,732' FEL NOTES: 1. ALASKA STATE PLANE COORDINATES ARE NAD27, ZONE 4. 2. HORIZONTAL CONTROL IS BASED ON Z PAD CONTROL MONUMENTS MON 2 AND MON 3. 3. VERTICAL CONTROL IS BASED ON Z PAD MONUMENTATION. 4. ELEVATIONS ARE BPX MEAN SEA LEVEL (M.S.L.) DATUM. 5. PAD AVERAGE SCALE FACTOR IS 0.999911213. AS—BUILT WELL CONDUCTORS: 34i, 40, 42, 50, 51i, 55. 57. 61. 62. 65, 66, 68, 69. 70, 105. 113, 115. 201, 202, 203, 2111, 212i, 213i, 2141, 215i, 2161, 217i, 2181. SD, SG, SL, NK F. Robert.... "oZ BARNHART �ti��� ctrttKdD JAC083 bp {.. DAY7 111 UPAWttrG FRO11 WOZ 21 WOA Z PAD SHEETr assuc °' WRD PAD EXPANSION 90 7/1/11 ISSUED FOR INFORMATION TEl I JJ ° "1°10A0 2 09 ,co Qaff Vs 1" = 200 AS BUILT WELL CONDUCTORS LOCATED WITHIN PROTRACTED SEC. 19, T. 11 N., R. 12 E., UMIAT MERIDIAN, ALASKA WELL A.S.P. PLANT GEODETIC GEODETIC GRAVEL SECTION NO. COORDINATES COORDINATES POSITION(DMS) POSITION(D.DD) PAD ELEV. OFFSETS Y=5,959,240.18 N= 1,171.46 70°17'52.973" 70.2980481' 4,432' FSL 201 X= 600,133.47 E= 2,010.19 14911'20.721" 149.1890892° 56.6' 2,542' FEL Y=5,959,239.94 N= 1,451.46 70'17'53.008" 70.2980578' 4,435' FSL 202 X= 599,853.49 E= 2,009.95 149'11'28.882" 149.1913561' 55'9 2,822' FEL Y=5,959,100.03 N= 1,148.96 70'17'51.592" 70.2976644' 4,291' FSL 203 X= 600,155,96 E= 1,870.02 149'11'20.119" 149.1889219' 56'0' 2,522' FEL Y=5,959,100.23 N= 1,308.95 70'17'51.615" 70.2976708' 559' 4,293' FSL . 211 X= 599,995.99 E= 1,870.22 149'11'24.783" 149.1902175' 2,682' FEL Y= 5,959,240.11 N= 1,141.47 70'17'52.969" 70.2980469' 4,431' FSL 212i X= 600,163.45 E= 2,010.12 149'11'19.847" 149.1888464' 56.4' 2,512' FEL Y=5,959,240.04 N= 1,271.44 70'17'52.985" 70.2980514' ' 4,433' FSL 2131 X= 600,033.50 E= 2,010.05 149'11'23.635" 149.1898986' 5612,642' FEL Y=5,959,100.25 N= 1,293.88 70'17'51.613" 70.2976703' ' 4,293' FSL 2141 562 X= 600,011,06 E= 1,870.24 149'11'24.343" 149.1900953' 2,667' FEL Y=5,959,100.14 N= 1,354.05 70'17'51.620" 70.2976722' 4,294' FSL 2151 X= 599,950.89 E= 1,870.13 149'11'26.097" 149.1905825' 56'2' 2,727' FEL Y=5,959,240.09 N= 1,316.42 70'17'52.992" 70.2980533' 4,433' FSL 2161 X= 599,988.52 E= 2,010.10 149'11'24.946" 149.1902628' 56.0' 2,687' FEL Y=5,959,239.98 N= 1,156.36 70'17'52.970" 70.2980472' 4,431' FSL 217i X= 600,148.56 E= 2,009.99 149'11'20.281" 149.1889669° 56.2' 2,527' FEL Y=5,959,239.98 N= 1,391.46 70'17'53.000" 70.2980556' 4,434' FSL 218i X= 599,913.48 E= 2,009.99 149'11'27.133" 149.1908703' 55.9' 2,762' FEL Y= 5,959,100.11 N= 1,429.03 70'17'51.630" 70.2976750' 4,295' FSL SD X= 599,875.92 E= 1,870.10 149'11'28.283" 149.1911897' 56.4' 2.802' FEL Y=5,959,100.09 N= 1,369.02 70'17'51.621" 70.2976725' 4,294' FSL SG X= 599,935.92 E= 1,870.08 149'11'26.533" 149.1907036' 56.2' 2,742' FEL Y= 5,959,100.01 N= 1,279.00 70'17'51.609" 70.2976692' 4,293' FSL SL X= 600,025.94 E= 1,870.00 149'11'23.910" 149.1899750' 56.3' 2,652' FEL Y=5,959,239.85 N= 1,286.54 70'17'52.985" 70.2980514' 4,433' FSL NK X= 600,018.40 l E= 2,009.86 149'11'24.075" 149.1900208' 56'0' 2,657' FEL NOTES: 1. ALASKA STATE PLANE COORDINATES ARE NAD27, ZONE 4. 2. HORIZONTAL CONTROL IS BASED ON Z PAD CONTROL MONUMENTS MON 2 AND MON 3. 3. VERTICAL CONTROL IS BASED ON Z PAD MONUMENTATION. 4. ELEVATIONS ARE BPX MEAN SEA LEVEL (M.S.L.) DATUM. 5. PAD AVERAGE SCALE FACTOR IS 0.999911213. 6. ALPHA NAME DESIGNATIONS REFER TO BPX DRILLING SURFACE SLOT NAME AS—BUILT WELL CONDUCTORS' 341, 40, 42, 50, 51i, 55, 57. 61, 62, 65. 66, 68, 69, 70, 105, 113, 115, 201, 202, 203, 2111, 2121, 213i, 214i, 2151. 2161, 217i, 2181. SD, SG, SL, NK '64'4' F. Robert ., BARNHART, Øbp 11,4 JAC085°atE 7f1/11 I� ORAYANG s r FR911 wOZ 21 WOA Z—PAD ......._...... ....... @pgy(1�pp .SOB N° dtlY4a WRD PAD EXPANSION tcM0e 7/1/11 ISSUED FOR INFORMATION W8 JJ 113 ilNelEr0 LAM1" = zea' AS—BUILT WELL CONDUCTORS 3 °F 3 NO. DATE ._ ..,. - „................. -7- , \ SLLL w \N. r C-t 41 ,L b9 - CO CQ cp. N I ET / 54 N 'I ■W I . U u = � IIT RR . 1 1 H 11 I m ;i I 't ■1 ISLOT4 0 •— 100 +A p - -" •16 i • !SLOT 2 1 1 ■14 00 ' 26 • Ill 13 Cr) ` 25 . 1 1 24 • •12 -- � 23 •• i •11 1 22 • ■3$ ' 21 • an �' I _ LC, P-5048❑ ) P-504A = 1g r — — .,— P T' r r)•1 Lr) I ) — ._ — — 1 1(13 041141 I Q 0) . • 2 I IIr 110227 • 3 N I 210 28 1 I , 14108 0 II 29 ■ • 5 ■ CN 3D • � 5 LL—J J - - ' 31 • •7 ‘. --- 32 ■ ■8 1 33 ■s ‘ I i r- •i0 . vv �, I ` , III •35 b N d 37 11 j �b _ •38 Li") II I N II 70co 1 4 t ,sbz —�.�H1+�14N� •t7R4S - (j']1 �g1©F 4 1/16-5000 IR-39) E MONITOR PORT IJ � • , TEST PORT 1- e e= 10 LOCK00WN SCREWS SCSSV EXIT ( : L 7"."."._it-5000 CR-54) ( I ; I•w% rf. •i. 0, .• 1 : :, • :C): °I ..: Ci‘.::4-., 2 I Or a* • ■ 1: '70 _Ok■ _ ' it O c 2 1/16-5000 MOD 120 6V ' 2 1/6-5000 MOO 120 GV I G. fi\ TEST PORI T IA �'0'• IC LOCKDOWN SCREWS . —41&• I ` � -I( 5000 Ot-54) _-i_ � t� 4 x T I • e - Willi ' ,,,`ill ■ i MLI :al i • _ _ .. ,, v • .._..., : . gT l 2 1/16-5000 MOO 120 GV IS=. E '_ E ;- al TEST PORT F (®-= I i t'7 TEST PORT ,i. i . li I 20.00 CASING 9 %' 00 CASING ' P 00 CASING 4 %2 00 TUBING Cn CD O ULTRAMP [C��nt {t;CV�1 tLL�1 OO(t G3 A`TOO[r�Jn(� C A L A S K L°Q(�D rtrt OHO . (S�c� O O DLTRA -SLfMO-CIO . PRODUCERS OR Ot)VNJEC U ®lN v7� PROPOSAL �OFi 9860 REF:00120M1074013t2 00000M10284041p IVATE .. . • IOENTLAL 1xcLSA OT1(RR+SC SP(C:f:(t: AC•.SIo.6 CIESCMPT ty. ". ' us maw r..A..w.+•rr.A.D.NH ,ao.oT so.Thss oRxxwG TOSERu+CE t --- it...........M.4.00,EM.•8m+�» y�o 1�.•w� s ULTRA SLIMhiOIE p.e. ow w..rwArw ID At RTYO.we Tss. SARLAZ SHAW oxas AS r.x.Aa. .x-3.034 PRODUCERS OR INJECTORS "'"''(_ 03-(0.02 O .m.o.04•0T.00100.,w"..T.a 10040 .,"amE E0.4r RAO0 .oz r.x.RLu I xx—..ms I ...:Ne........... S.TWELVES TO MEOW To.CD.STO."•24 1 .xxx—..005 I WELLHEAD SYSTEM HMO= .03.20-o:j O ,0.0• e,...e umit+mr"»... S.TAPERED TNR/OS TO COOr".TO API 04 I I i-5000 X 4 `./!6-5000 SOL.MAK.L[OIr.L os•2o03.20.02I'�. WA if WAD.AK arr*w..THT 7.33130.10.6 a HI NOV rt PROAET,OTS DOA !30' .aa 1rM.Iwl.."T..w t r.c"o of.ALL RAR¢DOLT"CLOS A36T STRADDLE�� I ...9K6 T. ±.............C .4,:.-,< MOAN CET�„� :,r�.- , 20 X 9% x X �/z LEGA.RG DS-20-02,OOi2DM1030698 Note: Dimensional information reflected on this drawing are estimated measurements only. 28.63" Est. 171 I ' inYWII. O cnno 4-1/16" 5,000• 0Q0 0 � 1 Ui 93.38" ' NOP' Est. im um 4-1/16" 5,000# 50.75" u_ Est. in wit cm 0OO 'O 4-1/16" 5,000 0V0 0 )_ — BP Alaska SK-011583-03 elle.CAMERON Nam_Jeanette , 4-1-05 perking Preaaura # J-6816-3 TRANSMITTAL LETTER CHECKLIST WELL NAME C �" 7 PTD# 2-1 ? CD - Development Service Exploratory Stratigraphic Test Non-Conventional/ Well // / FIELD: -t-«/ �-C — POOL: �cd�1c °C ( c.D Check Box for Appropriate Letter/Paragraphs to be Included in Transmittal Letter CHECK ADD-ONS WHAT (OPTIONS) TEXT FOR APPROVAL LETTER APPLIES MULTI LATERAL The permit is for a new wellbore segment of existing well (If last two digits in Permit No. ,API No. 50- - - API number are between 60-69) Production should continue to be reported as a function of the original API number stated above. PILOT HOLE In accordance with 20 AAC 25.005(f), all records, data and logs acquired for the pilot hole must be clearly differentiated in both well name ( PH) and API number (50- - - ) from records, data and logs acquired for well SPACING The permit is approved subject to full compliance with 20 AAC EXCEPTION 25.055. Approval to produce/inject is contingent upon issuance of a conservation order approving a spacing exception. assumes the liability of any protest to the spacing exception that may occur. DRY DITCH All dry ditch sample sets submitted to the Commission must be in SAMPLE no greater than 30' sample intervals from below the permafrost or from where samples are first caught and 10' sample intervals through target zones. Non-Conventional Please note the following special condition of this permit: Well production or production testing of coal bed methane is not allowed for (name of well) until after (Company Name) has designed and implemented a water well testing program to provide baseline data on water quality and quantity. (Company Name) must contact the Commission to obtain advance approval of such water well testing program. 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