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187-071
MICROFILMED 9/28/00 DO NOT PLACE ANY NEW MATERIAL UNDER THIS PAGE STATE OF ALASKA ALAS'*"-"OIL AND GAS CONSERVATION COM;'-':SION APPLICA, FOR SUNDRY APPROVALS 1, Type of Request: Abandon Suspen'd ' ' Operation Shutdown '] Re-enter suspended well ~ Alter casing Time extension Change approved program .. Plugging f-] Stimulate ~ Pull tubing . Amend order ,r Perforate £' Other Name of Operator North Slope Borough Address 3201 C Street, Suite 602, Anchorage, Alaska 99502 Locationofwellatsurface 379' FEL, 1602' FWL, Sec. 15, T22N, R18W, U.M. Ak . Datum elevation (DF or KB) KB = 45' Unit or Property name South Barrow 7. Well number NSB # 1 At top of productive interval As Above At effective depth As Above At total depth As Above 8. Permit number 87-71 9. APl number 50-- 023-20020 10. Pool South Barrow feet · Present well condition summary Total depth: measured true vertical 2 4 3 5 ' feet Plug (measured) 2 3 9 0 ' 2 4 3 5 ' feet Effective depth: measured 2 3 9 0 ' feet Junk (measured) N/A true vertical 2390 ' feet Casing Length Size Structural Conductor 37 ' 20" 75 Surface 130' 13-3/8" 200 Intermediate 1317' 9-5/8" 1350 Production 2417 ' 7" 1st. Liner 2d'. Perforation depth: Cemented Measured depth True Vertical depth sxs. Perm. 55' sxs. Perm. 147' sxs. Perm. 1335' 55 sxs. G 2435' 104 sxs. G 55' 147' 1335' 2435' measured (2230-2240) (2288-2295) (2342-2347) (2350-2362) (2368-2379. S P F true vertical As Above lubing(size, grade and measured depth) 2-3/8" 4.7#, B?C ~-80 $ 2405.5' ~ackers and SSSV {type and measured depth) No packer8 or SSSV omployed '~-,.t.: 12.Attachments Description summary of proposal ~ Detailed operations program E~ BOP sketch 13. Estimated date for commencing operation February 15, 1988 14. If proposal was verbally approved Name of approver Date approved 15. ..... ,hereby cert ~t~e~/.. fo.~:AS~Cts~'t ru ex . Signed ../..~? ~~~ and correct to the bes~ of my knowledge~ ~ ,? /;, /' 7-/ CommiSsion Use Only Conditions of approval Notify commission so representative may witness I Approval No. [] Plug integrity , [] BOP Test l~.Lo~ation clearance I Approvea~opy Returned _ _ &Z Approved by Date ORi61NAL $16NED BY LONNIE O. SMITH Commissioner by order of the commission Date~''''/~ -~ Form 10-403 Rev 12-1-85 Submit in triplicate NORTH SLOPE BOROUGH DEPARTMENT OF INDUSTRIAL DEVELOPMENT BARROW GAS FIELD DEVELOPMENT 3201 C Street, Suite 602 Anchorage, Alaska 99503 Phone: 907-561-8820 NSB #1 PROPOSED OPERATION SUMMARY February 3, 1988 Overview Well NSB #1 reached TD in April 1987 as a routine development well in the South Barrow Gas Field. This well adds additional gas deliverability from the South Barrow Gas Field to the village of Barrow Alaska, and augments production from the East Barrow Gas Field which is expected to decline significantly within three years. Initial production shows that the well will produce comfortably at 350 - 450 Mcf/day as currently complete (Figure 1). However, due to village gas demand, increasing the performance of this well is desirable. Fracture stimulation of SB #13, a 160 acre offset to NSB #1, increased production from a calculated rate of 160 Mcf/day when the well was initially tested, to actual production of 400 MCF/day, with a maximum measured rate of 1178 Mcf/day through a 24/64" choke at 500 psig. Based on this experience, we feel that NSB #1 deliverability would also benefit from fracture treatment, particularly when the lithologic nature of the reservoir is considered (Appendix I). The planned procedures will closely follow those employed for the nitrogen foam fracture treatment of SB #13 utilizing the same contractor. Fracture design will be per specifications in Appendix II following the specific detailed procedures as identified on the following page. We currently expect proposed operations to begin on or about April 2, 1988. NSB #10ps. Sumary North Slope Borough Page 2 of 2 02/03/88 Detailed Operations Plan The stimulation of NSB #1, as detailed in the following, will commence with a general meeting between Halliburton and Barrow Gas Field Development personnel to review general safety and Arctic operation procedures. Description of Operation & Materials ® · · · · · · · General rig-up of Halliburton equipment at NSB #1 wellsite. Test nitrogen lines to 5000 psi; bleed nitrogen down to 2000 psi. Test Csg. Value to 1000 psi. Close 2" Lo-Torc and test to 3000 psi; bleed back to 600 psi. Open Csg Value and Lo-Torc, start 25 bbl 7% KCL pre-flush. Pad, I.S.I.P.; begin 2.5# 20/40 sand, then 4.5# sand, then 8.5# sand; go to flush with 5 bbls Versa Gel (7.5 PPG). Begin nitrogen displacement @ 2500 scf/min and 1500 psi; increase to 3500 scf/min @ 1500 psi; increase to 3500 scf/min @ 2000 psi; reach total displacement. R.D. Halliburton; P.O.P. The contractor will keep a detailed job log of procedures and materials; submitting same at the conclusion of the job. Completion Of NSB ~1 FIGURE FMC WELLHEAD 20" @ 55' 13 3/8" @ 147' ARCTIC PACK @ 1200' 2-3/8" @ 2405.5' 9-5/8" @ 1335' 7"@ 2435' Plug @ 2390' Perforations @ 4SPF (2230- 2240) (2288 - 2295) (2342- 2347) (2350- 2362) (2368 - 2379) NO RTH SLOPE 13 O. ROUGH WELLHEAD DIMENSIONS '#2 3000up 300CX/P i" 3000~p '~" ,..,,ROOOwp T,, I! II so~ 83" ~-~ APPENDIX I CORE LABORATOR I ES ~ I NC. North SLope Borough Date : 5-May-87 NSB #1 FiLe No. : BP-3-1214 Laboratory : Anchorage DEAN-STARK CORE ANALYSIS - SIDEWALL CORE SAMPLES SAMPLE DEPTH PERM MD HE OIL% WTR% GRAIN NO FEET HORIZ Ka POR POR POR DEN M 24 1684 19.7 24.6 0.1 90.9 2.67 23 1690 37.3 28.4 0.0 93.9 2.67 22 1695 22.9 25.6 0.4 91.1 2.66 21 2242 NA 30.0 0.0 94.9 2.68 20 2266 42.5 21.2 0.1 96.7 2.63 19 2282 5.6 24.5 0.1 94.8 2.7~5 18 2289 NA 37.0 1.0 94.7 2.68 17 2291 NA 27.8 2.3 94.9 2.64 16 2295 8.0 24.5 7.9 89.6 2.66 15 2304 12.8 21.6 0.6 92.8 2.67 14 2308 33.6 24.6 0.0 94.8 2.69 13 2316 72.3 29.0 0.0 94.8 2.77 12 2325 29.5 24.2 0.3 93.6 2.65 11 2334 14.3 23.7 1.8 94.9 2.65 10 2339 122.1 29.0 0.2 90.1 2.65 9 2345 19.4 24.9 1.2 94.7 2.65 8 2351 NA 23.4 0.0 96.1 3.10 7 2357 148.9 24.9 0.0. 89.9 2.79 6 2361 28.6 24.3 1.6 91.7 2.65 5 2.~73 301.0 30.6 0.0 94.6 2.65 4 2375 224.7 31.6 0.0 90.9 2.65 3 2377 NA 29.6 0.0 94.9 2.65 2 2389 NA 26.7 0.0 94.0 2.77 1 2404 NA 27.6 0.0 93.8 2.67 DETAILED LITHOLOGIC DESCRIPTION (1) SS, YELGY, VFGR, SLTY, MOD SRTD, SBRD, QTZ 70%, MICA 3%, LITH FRAGS 1%, MTRX 30%, SS, YELGY, VFGR, W SRTD, SBRD, P CONS, SL CALC, 70% QTZ, 3% HICA, 1% LITH, 30% MTRX SS, YELGR, VFGY, SLTY, W SRTD, SUBRD, P CONS, SL CALC,'70% QTZ, 3% MICA, 1% LITH, 30% MTRX SS, MGR, W/DRILLING MD MDST, DKGY, W CONS, V BIT MDST, MDGY, MOD CONS LITH FRAGS, DKGY, W/DRLLG MUD SS, YELGY, FGR, MOD W SRTD, SBRD, P COND, QTZ 80%, MICA 1%, LITH FRAGS 3%, MTRX 20% SS, YELGY, VFGR, SLTY, MOD W SRTD, P CONS, QTZ 65%, LITH FRAGS 15%, MICA 5%, MTRX 15% SS, YELGY, VFGR, SLTY, W SRTD, SBRD, P CONS, CALC, QTZ 70%, LITH FRAGS 1%, MICA 1%, TR PYR, MTRX 30% SS, YELGY, VFGR, SLTY, P SRTD, SBRD, P CONS, CALC, QTZ 75%, MICA 1%, MTRX 25% SS, YELGY, VFGR,,SLTY P SRTD, SBRD, P CONS, CALC, QTZ 75%, MICA 1%, MTRX 25% SS, YELGY, VFGR, SLTY P SRTD, SBRD, P CONS, CALC, QTZ 70%, MICA 1%, MTRX 30% SS, LT BL GY, VFGR, SLTY, P SRTD, SBRD, P CONS, QTZ 70%, LITH FRAGS 1%, MICA 1%, MTRS 30% SS, LT BL GY, VFGR, P SRTD, SBRD, P CONS, QTZ 80%, MICA 1%, TR LITH FRAGS, MTRX 20% SS, LT BL GY, SLTY, P SRTD, SBRDo P CONS, QTZ 70%, LITH FRAGS 3%, MICA 2%, MTRX 20% LITH FRAGS, DKGY, CALC, W/DRILLING MUD SS, LT BL GY, VFGR, P SRTD, SBRD, M CONS, QTZ 45%, MICA 2%, MTRX 55% SS, LT BL GY, VFGR, SLTY, SBRD, P SRTD, P CONS, SL CALC, QTZ 70%, MICA 3%, LITH FRAGS 1%, MTRX 30% SS, LT BL GY, VFGR, SLTY, P SRTD, P CONS, CALC, QTZ 70%, MICA 3%, LITH FRAGS 3%, MTRX 30% SS, LT BL GY, VFGR, SLTY, SBRD, P SRTD, P CONS, CALC, QTZ 70%, MICA 1%, LITH FRAGS 1%, MTRX 30%, SCH FRAG. SS, LT BL GY, VFGR, VSLTY, CLY, SBRD, P SRTD, P CONS, QTZ 65%, MICA 3%, MTRX 35% SS, LT BL GY, VFGR, V SLTY, SBRD, MOD SRTD, MOC CONS, CALC, QTZ 35%, MICA 2%, MTRX 65% SS, LT BL GY, VFGR, CLY, V SLTY, SB RD, P SRTD, P CONS, QTZ 65%, MICA 1%, MTRX 35% NA - NO DATA AVALIABLE , SAMPLE FAILURE~ (1) - PERCENTAGE ESTIMATES ARE FROM PERCENTAGE COMPARISON CHARTS AND ARE THEREFORE APPROXIMATIONS. APPENDIX II · ; 4 '"' ; ,. "'- i -i ,- ......., ...,.-.:.,: ::'..'-.:'., 4 ,'.'::-., 'i .. ':' /, · ...- /. ! ,..'- /" ..,o :. ..; 4 or 5B-C e T' 0 P F~' .::'! K..' .I- 'Y' ',x D ,.;" 2':) :" ':~'";' 0 ~' "' 2()/'40 Ot'b.:?,wa ~.::.,r~d '2 ,.'.').," 40 0 '~' I' a w ..:~ .s a ;q d L i ,:!..u i d and F'roppan't' Pu,',,;p i nq ,~,..hed ti Le F'~.tmpJnq L.J,:!uid F'roppan! Liquid + t,,a'r~=, N2 Time VoLume Cone. Prop VoL Out VoLume rain':et qa~. Lb/qaL L~,:~ gal bpm re:cf -~.~o 600 6, ~9 /-¢,~-~ 4o°"~:~ ';'2 0 i' 2 ?,3~ m 39 ?5'~ ~' '~'~ 3 o ~. . ~ ~. ~ ~ .~ .~ ~ .~ -~4~ ., .. i' ~ °i8 4 5P, '~'~ ~ 8~.~ ~ "'" ° 47 98i 6 64 ~¢b ~ ~ ' ..., i 7u :~., ,~ 'To 'i' a }. or 5B or 5C ['l .!. L of 20/40 Ot±awa ::ar,,,:i o I'" 20 /4 (.) {:.] t: i' a w a .'-:.' a r',, d A't' E:nd of F'umpinq DePos i ted $ u..:.pended D.i ':.-'i" H e i ,.~ iq + " . , de J'qh t L. Ot]C ~ ( ft ) ('Fi:.) ( fi ) ( Lb/_~,~. fi: ,, At C Lo_~ure Depns_ i' ~'ec},. I ~.~ i '...~ h ~. (fi-) ~. u. spend ed ~vq, rl~_ i qh~- : L. u i] C., ( ft ) ( i.b:'s":t fi.' ) '.:) 0 i AC: ~) ~ '"' 6,3~ ,3, i. 26 60., ,:], ~., ,-.:: ~ .,~ ..:' 6¢, ,:'~ i 60.,.? i ,24 60.0 i '~ ,"';-"] 0 ~ ~.,~ 60. :3, (.2 ~ ,4'-: ,,_-, ,,::., ,;.} ,'.::.~. ",:'-). O ,:?, 64 ,7:,_ ... ~ . 6~ ,. :3 " ":-' ~." ....Z: ,.:, · '5".'":' "'q "~ ":'"~ .. ~ ._. :-.y .; ._',: f-:, ,'..,. ORTil SLOPE I OROUGI! DEPT. OF PUBLIC WORKS CIP ~ Barrow Gas Development 3201 "C" Street, Suite 600 Anchorage, Alaska 99503 Phone: 907-561-8820 TO: Mr. C. V. Chatterton Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 DATE: December 31, 1987 TRANS.#: 87123101-NSB REFERENCE: NSB #1, #2, #3, And #4 MWD Log Sepia The following technical data is being submitted herewith. Please acknowledge receipt by signing and returning a copy of this letter to this office, attention Mr. Erik A. Opstad. ENCLOSED INFORMATION SUMMARY Submittal ~~ NSB #2 NSB #3 NSB #4 MWD Log Sepia X X X X Received By: ¸ C V Alaska Oil & Gas Cons. Commlsslorl An~.hora_eq~ A.O.G.C.C. / Date NORTH SLOPE BOROUGH/ DEPT. OF PUBLIC WORKS - ClP ~ Barrow Gas Development 3201 "C" Street, Suite 600 Anchorage, Alaska 99503 Phone: 907-561-8820 TO: Mr. C. V. Chatterton Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 DATE: December 21, 1987 TRANS.#: 87122101-NSB REFERENCE: NSB #1, #2, #3, #4, and SB #7 Geologic Data The following technical data is being submitted herewith. Please acknowledge receipt by signing and returning a copy of this letter to this office, attention Mr. Erik A. Opstad. _ ENCLOSED INFORMATION SUMMARY S~mittal . /,, NSB %1 NSB ~2 . NSB ~3 NSB %4 NSB ~7 Wireline LIS- Verification MWD LIS .T. apes verification MWD Log Sepia Diplog Sepia ~X CCL Sepia Well History ~~~ t. '~'~'X A. O. G. C .V,~. Anc,horag~ NORTH SLOPE BOROUGH DEPT. OF PUBLIC WORKS - ClP ~ Barrow Gas Development 3201 "C" Street, Suite .600 Anchorage, Alaska 99503 Phone: 907-561-8820 TO: Mr. C. V. Chatterton Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 DATE: December 9, 1987 TRANS.#: 87120801-NSB REFERENCE: Wireline log sepias; NSB 1, 2, 3 & 4 The following technical data is being submitted herewith. Please acknowledge receipt by signing and returning a copy of this letter to this office, attention Mr. Erik A. Opstad. ENCLOSED INFORMATION SUMMARY 1) Rolled sepias for all wireline and gas logs on NSB wells 1, 2, 3 and 4. Received By: RECEIVED DEC Alaslm 011 & Gas Cons. OommI~loll A.O.G.C.C. / Date o,,I7, NORTH SLOPE BOROUGH/ DEPT. OF PUBLIC WORKS - ClP ~ Barrow Gas Development 3201 "C" Street, Suite 600 Anchorage, Alaska 99503 Phone: 907-561-8820 TO: Mr. C. V. Chatterton Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 DATE: 12-24-1987 TRANS.#: 87112402-AK REFERENCE: Summary of Technical Information, STW 855. The following technical data is being submitted herewith. Please acknowledge receipt by signing and returning a copy of this letter to this office, attention Mr. Erik A. Opstad. ENCLOSED INFORMATION SUMMARY uocument NSB ~1 NSB ~2 NSB ~3 NSB ~4 /~ireline Lo_~s * D Lo s * Completion Report * Core Data * Single Shot Survey * Production Test Charts * 2'd Stage Completion * Pressure Buildup Data * DST Report N/A Gas Analysis N/A Confidentiality Letter N/A Received By: N/A * * · N/A * · N/A N/A N/A N/A N/A · N/A N/A N/A * * N/A * N/A N/A * * A.O.G.C'~. / ~4%e RECEIVED Alaska Oil & Gas Cons. Commission Anchorane "--" i STATE OF ALASKA ALASK,~.~OIL AND GAS CONSERVATION _. ,)MMISSION WFLL COMPLETION OR RECOMPLETION REPORT AND LOG 1. Status of Well Classification of Service Well OIL [] GAS'1~ SUSPENDED [] ABANDONED [] SERVICE [] , 2. Name Of operator .7. Permit Number North Slope Borough 87-71 3. Address 8. APl Number 3201 C Street, Suite 600, Anchorage, Alaska 99503 50-023-20020 4, Location of well at surface 9. Unit or Lease Name 379' FEL, 1602' FWL, Sec. 15, T22N, R18W gM, Alaska South Barrow At Top Producing ie.terval 10. Well Number As,'Above ' :,: -.~ NSB #1 At Total Depth '~' .. 11. Field and pOol · As Above ' ~ ~. South Barrow 5. Elevation.in feet (indicate KB, DF, etc.) 6, Lease Designation and Serial No. 26.56 Bradenhead Flange N/A 12. Date Spudded 13, Date T.D, ReaChed 14, Date Comp., Susp. or Aband. I 15. Water Depth, if offshore 16. No. of Completions ' 03/31/87 04/14/87 Com_p. 06/02/.87I .N/A feet MSL One 17"T°tal Depth (MD+¥VD)18"Pl~JgBack Depth (MEH'TVD)1'9' Directi°nal SurveY2435' HI) 2390' HD YES [] NO [] I 20" Depth whereSSSV set I21' Thick;;ess °f Permafr°stN/A feet MD Not Logged 22, Tcpe E!ectr~ .or Other Logs R. urk (,.Compuxted '4-Arm Dip) ' . ,.,. (DLL/M!,f.,../.GR)~.' (CDL/CN/GR) (DIP) (Core Gun/GR) (CBL~GR/CLL). (GR/E.WR/CN¢).(PROLOG).(cOLLAR) 23 ........ C,A, SING,, ,L, IN, ER, AN,.D CEM,E,NT! ,NG ,RE,CO,RD ............. SETTING DEPTH MD CASING SIZE WT. PER FT. GRADE TOP BOTTOM HOLE SIZE CEMENTING RECORD AMOUNT PULLED 20" 94.0 H-40' Surface' ~5'5;'. 24,, 7.5 .~x,~- PPrm. - 13-3/8" 72.0 S-95 Surface. 147' .. 17½" 200 sXs. Perm. - . . 1 ~ 1350 sxs. Perm. - 9-5/8" 53.5 S-95 Surface 1335' 2z 7" 32.0 N-80 ISurface 2435' " 8½ 1st stg. 55 sxs. G - I .............. 2nd. Stg. 104 sxs.G . . - , 24. Perforations open to Production (MD+TVD of Top and Bottom and 25. TUBING RECORD interval, size and number) SIZE DEPTH SET (MD) PACKER SET (MD) (2230-2240) "2~3/8" 4.7 2405.5 (2288-2295) ,,, ,, (2342-2347) 4" JJll @ 4 SPF 26. ACID, FRA.~TUR.'E, CEMENT SQUEEZE, ETC. (2350-2362) DEPTH' INT~:RVAL (MD)' :-~,UN~.&, ~,IND O-F~ MATERIAL USED (2368-2379) ' hi[- [~ ~'.~ !:] ! '~::' ~ i;~ ' .... , ,,, , ,, '_4 ~:,; ~ ...... .. , ..... - ........ , , , · 27. PRODUCTION TEST ..... Date First Production Method of Operation (Flowing, gas lift, etc.) 10/27/87 @ 1700 hrs, Put on prod. uct.ion~ flowin?. 8a.a. @ 350 HCF/Da'¥. .. Date of Test Hours Tested ' ' pRoDuCTION FOR OIL-EEL GAS-MCF WATER-EEL ~HOKEsIZE GAS-OIL RATIO 09/20/87 24 TESTPERIOD ~ None 1,200 None · 17/64 N/A Flow Tubing C'asi.g P'ressu~e CALCULATED OIL-EEL' GAS-MCF' ' WATER_BB'L' OIL GRAVITY-APl (c'or'r) ,' Press. N/A 513 (Flowing] 24-HOUR RATE I~ _ -- -- N/A , , , 28. " CORE DATA ...... Brief description of litholo9y, porosity, fractures, apparent dip~ and presence of oil, gas or water. Submit core chips. The following description is based on sidewall cores. The primary reservoir section for NSB #1 is the Upper & Lower Barrow Sandstone in the Jurassic Kingak Shale. The well encountered 87 feet of light brown to brownish gray, fine to very fine grain glauconitic sandstone, interbedded with siltstones and thin shale stringers. Average core porosity was found to be 26.3%, kh = 26.3 md, approximate Sw = 50%, all dipping 2© SW. The Upper Barrow tends to be very fine grain, glauconitic and heavily burrowed, while the Lower Barrow is fine to lower medium grain, with minor glauconite and few perserved burrows. Submit in duplicate Form 10-407 Rev. 7-1-80 CONTINUED ON REVERSE SIDE 29.~.....:.' - '~' 30.~ , ,:,,/~ GEOLOGIC MARK~h-~?' i"' >'/FORMATION TESTS · .. NAME ' ' Include interval tested, pressure data, all fluids recovered and gravity, MEAS. DEPTH TRUE VERT. DEPTH GOR, and time of each I~hase. Permafrost Not Logged - See attached for PBU results. Base HRZ 1884 1883 BCU 2296 2295 Top Upper Barrow 2304 2303 Top Lower Barrow 2362 2361 . Base Barrow 2391 2390 ~'.-J Basement Not Reached - - .... 31. LIST OF ATTACHMENTS Pressure Buildup Test, Inflation Formation Packer SWC Analysis, Wireline & MWD Logs, Single Shot Surveys, Production Test Chart$ 32. I hereby certif¥~~o the best of ~¥ know led Signed~ Title Date ..//"~/~ 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 1' Classification of Service Wells: Gas injection, water injection, steam injection, air injection, salt water disposal, water supply for injection, observation, injection for in-situ combustion. Item 5: Indicate which elevation is used as reference (where not otherwise shown) for depth measurements given in other spaces on this form and in any attachments. Item 16 and 24: If this well is completed for separate production from more than one interval (multiple completion), so state in item 16, and in item 24 show the producing intervals for only the interval reported in item 27. Submit a separate form for each additional interval to be separately produced, showing the data pertinent to such interval. Item 21' Indicate whether from ground level (GL) or other elevation (DF, KB, etc.). Item 23' Attached supplemental records for this well should show the details of any multiple stage cement~ ing and the location of the cementing tool. Item 27' Method of Operation: Flowing, Gas Lift, Rod Pump, Hydraulic Pump, Submersible, Water In- jection, Gas Injection, Shut-in, Other-explain. Item 28' If no cores taken, indicate "none". Form 10-407 CORE LABORATORIES, INC. North SLope Borough Date : 5-May-87 NSB #1 File No. : BP-3-1214 Laboratory : Anchorage DEAN-STARK CORE ANALYSIS - SIDEWALL CORE SAMPLES SAMPLE DEPTH PERM MD HE OIL% WTR% GRAIN NO FEET HORIZ Ka POR POR POR DEN M 24 1684 19.7 24.6 0.1 90.9 2.67 23 1690 37.3 28.4 0.0 93.9 2.67 22 1695 22.9 25.6 0.4 91.1 2.66 21 2242 NA 30.0 0.0 94.9 2.68 20 2266 42.5 21.2 0.1 96.7 2.63 19 2282 5.6 24.5 0.1 94.8 2.73 18 2289 NA 37.0 1.0 94.7 2.68 17 2291 NA 27.8 2.3 94.9 2.64 16 2295 8.0 24.5 7.9 89.6 2.66 15 2304 12.8 21.6 0.6 92.8 2.67 14 2308 33.6 24.6 0.0 94.8 2.69 13 2316 72.3 29.0 0.0 94.8 2.77 12 2325 29.5 24.2 0.3 93.6 2.65 11 2334 14.3 23.7 1.8 94.9 2.65 10 2339 122.1 29.0 0.2 90.1 2.65 9 2345 19.4 24.9 1.2 94.7 2.65 8 2351 NA 23.4 0.0 96.1 3.10 7 2357 148.9 24.9 0.0 89.9 2.79 6 2361 28.6 24.3 1.6 91.7 2.65 5 2373 301.0 30.6 0.0 94.6 2.65 4 2375 224.7 31.6 0.0 90.9 2.65 3 2377 NA 29.6 0.0 94.9 2.65 2 2389 NA 26.7 0.0 94.0 2.77 1 2404 NA 27.6 0.0 93.8 2.67 DETAILED LITHOLOGIC DESCRIPTION (1) SS, YELGY, VFGR, SLTY, MOD SRTD, SBRD, QTZ 70%, MICA 3%, LITH FRAGS 1%, MTRX 30%, SS, YELGY, VFGR, W SRTDw SBRD, P CONS, SL CALC, 70% QTZ0 3% MICA, 1% LITH, 30% MTRX SS, YELGR, VFGY, SLTY, W SRTD, SUBRD, P CONS, SL CALC,'70% QTZ, 3% MICA, 1% LITH, 30% MTRX SS, MGR, W/DRILLING MD MDST, DKGY, W CONS, V BIT MDST, MDGY, MOD CONS LITH FRAGS, DKGY, W/DRLLG MUD SS, YELGY, FGR, MOD W SRTD, SBRD, P COND, QTZ 80%, MICA 1%, LITH FRAGS 3%, MTRX 20% SS, YELGY, VFGR, SLTY, MOD W SRTD, P CONS, QTZ 65%, LITH FRAGS 15%, MICA 5%, MTRX 15% SS, YELGY, VFGR, SLTY, W SRTD, SBRD, P CONS, CALC, QTZ 70%, LITH FRAGS 1%, MICA 1%, TR PYR, MTRX 30% SS, YELGY~ VFGR, SLTY, P SRTD, SBRD, P CONS, CALC, QTZ 75%, MICA 1%, MTRX 25% SS, YELGY, VFGR,,SLTY P SRTD, SBRD, P CONS, CALC, QTZ 75%, MICA 1%, MTRX 25% SS, YELGY, VFGR, SLTY P SRTD, SBRD, P CONS, CALC, QTZ 70%, MICA 1%, MTRX 30% SS, LT BL GY, VFGR, SLTY, P SRTD, SBRD, P CONS, QTZ 70%, LITH FRAGS 1%, MICA 1%, MTRS 30% SS, LT BL GY, VFGR, P SRTD, SBRD, P CONS, QTZ 80%, MICA 1%, TR LITH FRAGS, MTRX 20% SS, LT BL GY, SLTY, P SRTD, SBRD, P CONS, QTZ 70%, LITH FRAGS 3%, MICA 2%, MTRX 20% LITH FRAGS, DKGY, CALC, W/DRILLING MUD SS, LT BL GY, VFGR, P SRTD, SBRD, M CONS, QTZ 45%, MICA 2%, MTRX 55% SS, LT BL GY, VFGR, SLTY, SBRD, P SRTD, P CONS, SL CALC, QTZ 70%, MICA 3%, LITH FRAGS 1%, MTRX 30% SS, LT BL GY, VFGR, SLTY, P SRTD, P CONS, CALC, QTZ 70%, MICA 3%, LITH FRAGS 3%, MTRX 30% SS, LT BL GY, VFGR, SLTY, SBRD, P SRTD, P CONS, CALC, QTZ 70%, MICA 1%, LITH FRAGS 1%, MTRX 30%, SCH FRAG. SS~ LT BL GY, VFGR, VSLTY, CLY, SBRDw P SRTD, P CONS, QTZ 65%, MICA 3%, MTRX 35% SS, LT BL GY, VFGR, V SLTY, SBRD, MOD SRTD, MOC CONS, CALC, QTZ 35%, MICA 2%, MTRX 65% SS, LT BL GY, VFGR, CLY, V SLTY~ SB RD, P SRTD, P CONS, QTZ 65%, MICA 1%, MTRX 35% NA - NO DATA AVALIABLE , SAMPLE FAILURE (1) - PERCENTAGE ESTIMATES ARE FROM PERCENTAGE COMPARISON CHARTS AND ARE THEREFORE APPROXIMATIONS. BARROW GAS DEVELOPMENT PROJECT Single Shot Wellbore Survey NSB #1 Measured Depth Single Shot Deviation 505 Feet 1015 Feet 1319 Feet 1850 Feet 2435 Feet 0.50 Degrees 1.25 Degrees 1.25 Degrees 1.25 Degrees 1.50 Degrees Notes: le Surveys were taken by Grace Drilling personnel under the supervision of a North Slope Borough representative. · (*) indicates that the single shot survey instrument was inadvertently dropped by the Grace Driller. I Have Reviewed the Original TOTCO Survey Charts for North Slope Borough Well NSB #1 and Certify that the Data Above is True and Correct. E~k/ a~pstad -- Consulting Geologist North Slope Borough November 17, 1987 NOON RICAN NO. MP_iO/4'~'v ON - TA K~N 0 · ,. / / / / / %CAN .ON REPIARK,S ~. SINc, ER 4MERICAN METER DiViSl 0 o ,/ completion To Company · 7444 Getty Road i ' Houston, Texas 77086 USA .7!3/591-1900 · lelex .775-781 '. April ZZ, 1987 Mr. Ron Chapman North Slope Borough 3Z01 C Street Anchorage, Alaska 99503 RE: NSB North Slope Borough, Alaska Dear Ron: One Z0 ft., 7 in., 3Z lb/ft, Pll0 PAYZONETM inflatable formation packer was successfully installed on April 15, 1987. The rubber element was positioned from Z,397-Z,417 ft. measured depth using the pipe tally and tagging bottom. The attached pressure chart, well schematic, job log, debriefing report, and data sheet provide a description of the installation. The inflation volume '(.1 bbls) is, within accuracy of measurement, equivalent to an average hole size of 8-1/Z inches in diameter. Total inflation pressure (1943 psi) is the hydrostatic pressure inside casing (1343 psi) plus the applied surface pressure (600 psi). If the reservoir pressure is 700 psi, this will exert a 1Z43 psi seal load (inflation pressure minus ,' reservoir pressure) against the borehole wall. · Please call if we can be of further assistance. Sincerely, COMPLETION TOOL COMPANY Mark Knebel Service Engineer MJK/lal Enclosures NORTH SLCPE BOROUGH NSB ~ 1 JOB LOG April 15, 1987 -,900 945 1445 1630 1710 ZO17 Z033 2038 Z045 Zl15 Z1ZO Z1Z3 ZlZ5 Z1Z7 Start pipe Packer in ground Tight spot 18 joints off bottom Pipe in place Break circulation @ 400 psi Pressure test to 3000 psi Drop plug Pump 1Z bbls inflation cement Pump 5 bbls water Pump 75 bbls brine Bump plug to 300 psi Packer open and taking fluid Packer full and holding pressure Release pressure .1 bbl inflation volume HOS cementer open SERVICE COMPLETE 7444 Getty Road , HouSton, Texas 77086 USA 713/591-1900 Telex 775.781 ,. DEBRIEFING REPORT REPRESENTATIVE: ~ C~y'npd0 ~'~'T~ ~e~0 CTC FIELD ENGINEER: ~~F,/__~ LOCATION: ~,3,}C~I'~A S~-c~0£ gC~/Pz)~ /~Z-~S/e~ TOTAL TRIP TIME: ~ ~ , WELL: /~,~S~ :t~-] ORDER i/INVOICE PACKERS: Number I Length ~--C)~ Depth Z~q'7~24~' Serial No. ~ ~o$O Wetght,.-.~ 7~ ~.- Grade CASING: Size .... '7" Weight ~[~. Grade HOLE: Diameter ~ Calipered~ Deviation hrs Purpose PREFLUSH FLUID: Weight -= CEMENT: Weight Weight .INFLATION CEMENT: Weight \~.~ DISPLACEMENT FLUID: Weight ~,\ Weight Volume ---, bbl Volume bbl Volume bbl Volume' ~'~--- bbl Volume '"l,,,~ bb] Vol ume bb l Thread L-Tq- C- Dog Leg --'- Actual pumped CEMENTING JOB: Bottom rupture plug~ Lost Circulation Other Problems PACKER INFLATION' Balance Pressure Shear Pin ~1~ ~hear Pin #2 Additives~ _ :.. ~- _ · . ..... Additives Additives ~-~ 2.O~c~._~ ~_ q- ~7o ~ ~q~>t~-~...~-'7~/~'] 2_ Reciprocate casing,. ~ Rotate casing ~ o volume '-'~--'3x T~ bbl to_bump plug First Top Plug ~Second,, p Plug Pressure Anomalies Ran ,Log ! Final Surface Pressure Limit Valve/Loading &P_~/~~ Limit Valve/Loading &P A P Shear A P Shear' Shear Pin #3 6P Shear Shear Pin #4 6P Shear Final Loading. (Hydrostatic + Final Surtace) Reservoir Pressure' -7042> Calculated Inflation Volume ~ \ Actual Inflation Volume, , Feet of cement left in casing above packer,. Limit Valve/Loading &P Limit Valve/Loading , Effective gradient pst/ft Fracture gradien~ Seal Load \~ ~, ~ psi/ft Equivalent Hole Size CO~ENTS: Two Post Oak Central 1980 Post Oak Blvd., Suite 1350 Houston, Texas 77056 Ph: (713) 961-5011 CoMpANy WE:, $ I Z: 1: Wi. IGHT GIq &PC o THIq£AD CASING WELL SCHEMATIC . , ,, · i i: j; ~ - , t, . . .... · . : ~ DESCRIPTION OF EQUIPMENT ANO SERVICES LENGTH t - I I-;i~ ~1; 1~ _ l ......... - : ' : I ~ ' J ' " -- -- ' ' ~ ' ' ' 1" ..~,~,~, ,~ ~. . ~i~ ........ I -i~ ~,,, ..~ ~ ,,, _ ...~.! :' - ~o V , , , ,.' ,. ...... ~~~ ..... 1 ~uo ~~~ ~ ........ ;.. -~ · _. ,,~,,,~., ' . .. TOTAL LENGTH ~~,~ ........................~~%~ ~~-- . ...... ,, , Co.mp. etJon company ~ , 7444 Getty Road , HoustOn, Texas 77086 ' USA 713/591-1900 Telex 775.781 PAYZONETM DATA SHEET Company,,, Nl?~,~r' ~"~L-0'~E ~,_-'~OOC.-.t~ .Lease Co. Representative ~0~'~ O__.~(~(h~O '~'D3\t~' Field ~qfxO~O .f_~&.5 Location Date 4-1 - 1.0 OPEN HOLE 1.1 Total Measured Depth 1.Z Drilled Diameter 1.3 Calipered Diameter 1.4 Angle 1.5 Mud Weight 1.6 Lost Circulation Zones 1.7 Dog Legs 1.8 Washouts 1.9 Junk in Hole I0.1 Z.O LAST CASING RUN Z.1 Size Z.Z Weight Z.3 Grade 2.4 Shoe Depth Z.5 Dog Legs 2.6 Damage 4.0 CASiNG~-'~ AlX[ 3.1 Size 3.Z Weight 3.3 Grade 3.4 Thread Type 3.5 Setting Depth RESERVOIR CHARACTERISTICS 4.1 Formation Type 4.1.0 Carbonate 4.Z 4.1.1 Sand/Shale Fracture Pressure 4.3 Reservoir Pressure 4.4 Characteristic Production Problems Z_ Y-+gL 5.0 INSTALLATION OBJECTIVE(S) 5.1 Sand Control 5.2 Zone Isolation 5.3 Protect Cement Sensitive Formation 5.4 Seal Lost Circulation Zone 5.5 Other 6.0 No. No. PAYZONE PACKER ,Length (ft) Serial No. No. 3 No. 4 Setting Depth (ft) 2~q'7- Z¢~ 7 / C~al,ipered Hole Size (in) CTC gO 1 .: 7.0 CASING DATA 7.1 Internal Yield PSI ' 7.Z Capacity bbl/£t 7.3 Capacity ft/bbl 8.0 PRIMARY CEMENT PROPERTIES 8.1 Lead slurry and additives Number sacks 8.3 Weight lb./gal 8.4 Yield ft3/sk 8.5 Water req. gal/sk 8.6 Pump time 8.7 Water loss cc/30 rain / 8.8 Total mix water barrels 8.9 Total Lead Slurry Ba.rrels 8.10 Tail slurry + additives 8.11 Number sacks 8.1Z Weight C/gal 8.13 Yield ft3/sk 8.14 Water req. gal/sk 8.15 Pump time 8.16 Water loss cc/30 rain 8.17 Total mix water barrels 8.18 Total Tail SlmTv Ba,,~rels CTC0015 9.0 INFLATION CEMENT REQUIREMENTS 9.1 9.Z Expected inflation volume-barrels Volume top of packer to float collar + ZOO ft.-barrels 9.3 Total required cement volume-barrels 9.4 Inflation slurry + additives 9.5 Number sacks 9.6 Weight lb/gal 9.7 Yield ft 3/sk 9.8 Water req gal/sk 9.9 Pump time 9.10 Water loss cc/30 rain · 9.11 Total mix water barrels 9.1Z Total Inflation Sl~ry Barrels 9.13 9.14 Cement footage above packet-feet Cement volume above packer-barrels 10.0 DISPLACEMENT CALCULATIONS 10.1 10.Z Total displacement-float collar depth '2,~ '.' X capacity..., :.., -barrels Less inflation cement volume-barrels 10.3 Net Displacement Rea.,u/red-barrels (-) CTC0015 11.0 CRITICAL DISPLACEMENT VOLUME 1 1.1 Knock-off rods'- packer depth~ X capacity. -barrels ll.Z Less primary cement ' volume-barrels 11.3 Less inflation cement volume-barrels 11.4 Rods knocked off A%-barrels (Negative value indicates that rods are knocked off before displacement begins.) 1Z.0 ANNULUS BOTTOM HOLE PRESSURE 1Z.1 Mud height~X gradient~_~_~ 2-- - psi 1Z.Z Plus spacer height~ X gradient~ - psi (+) 1Z.3 Plus lead cement height X gradient~- psi ' (+) Plus tail cement height X gradient______- psi (+) Theoretical Annular Bottom Hole Pressure-psi .... 1~--7 ~ 1Z.4 1Z.5 13.0 CASING BOTTOM HOLE PRESSURE (before inflation) 13.1 Mud height 'P_~ I~ X gradient ,~'25 2_ - psi 13.2 Plus spacer height X gradient - psi (+) 13.3 Plus inflation cement height,~p5 X gradient,_Jll~-psi '_(?) z47 13.4 Plus tail cement height ' ~ X gradient. ~?.~ - psi (+) 13.5 Theoretical Casin.~ Bottom Hole pressure-psi CTC00' 5 14.0 THEOR'E?i. ALBALANcEpRESSURE. ~ , 14.1 Annular bottomhole pressure-psi 14.2 Minus casing bottomhole pressure-psi 14.3 Balance Pressure - psi (-) 15.0 PACKER LOADING (Expected Pre-Job) 15.1 Hydrostatic @ packer - psi height_Z_l_q_~X gradient . 5 ~-5 ~_ height 2-5' cD X gradient~q~ height X gradient~ 15.2 FinaI surface inflation pressure - psi 15.3 Total Pressure - psi 15.4 Gradient: Total pressure /~2~ /depth~ 16.0 RADIAL EFFECTIVE STRESS (Expected Pre-Job) 16.1 Packer loading - psi 16.Z Minus pore pressure - psi (-) Seal Load - psi 16.3 /2-29 17.0 PACKER LOADING (Actual- Post Job) 17.1 Hydrostatic @ Packer- height T__cY~% X gradient height~ X gradient height X gradient~ 17.Z Final surface inflation pressure-psi 17.3 Total Pressure-psi '(+) 17.4 Gradient: Total pressure /depth 18.0 RADIAL.EFFECTIVE STRESS (Actual - Post Job) 18.1 Packer loading - psi 18.Z Minus pore pressure - psi 8.3 Seal Load - psi (-) '"7 oo 19.0 POST JOB 19.1 Shear pin setting -. psi 19.Z Sheared @ - psi 19.3 Inflation control setting - psi No. 1 No. Z No. 3 No. 4 19.4 19.5 Net Inflation Volume Comments: · .. · · .o COMPANY ./~_~ ............ LE A..% E WELL NO. oo . SERVICE £NG'R o ./ NORTH SLOPE BOROUGH BARROW GAS FIELD BUILDUP TEST--- 9/22/87 NORTH SLOPE BOROUGH BARROW GAS FIELD NSB #1 BUILDUP TEST 9/22/87 TAB~,_E OF CONTENTS LOG-LOG ANALYSIS ........................................... RESULTS FROM LOG-LOG ANALYSIS .............................. 6 HORNER ANALYSIS ............................................ 7 RESULTS FROM HORNER ANALYSIS ............................... 9 SUPERPOSITION ANALYSIS ..................................... 10 RESULTS FROM SUPERPOSITION ANALYSIS ........................ 12 PRESSD-RE HISTORY MATCH ..................................... 13 DATA TABLES ................................................ ! 6 PRESSURE HISTORY DATA ...................................... 16 PSEUDO PRE S S'?~E 18 DELTA TIME VS ~ .............................. DELTA PRESSURE 'VS. DELTA PSEUDO PRESSURE ................... 20 FLOW-RATE HISTORY ........................................... 22 SUPERPOSITION FUNCTION VS PSEUDO PRESSURE .................. 23 HORNER TIME VS PSEUDO PRESSb-RE ............................. 25 DATA SLrMMARY ............................................... 27 A pressure buildup test was conducted for North Slope Borough Co., Barrow Gas Field Well NSB#1, Alaska on 9/22/87. The following are the results from the buildup analysis: Permeability thickness 736 md ft. Effective permeability to gas 23 md Reported thickness 32 ft. Extrapolated reservoir pressure 660.5 psi Skin damage 5.5 Pressure drop due to skin 45 psi The total pressure drop during the drawdown period is 127.76 psi out of which pressure drop due to skin is 45 psi Since the f!owrate was not very high, most of the skin factor should be due to fo~maticn damage only and not from the effects of turbulence. An acid job should be helpful to increase the productivity of this well. Physical properties in our calculations were obtained from correlations. NL Sperry-Sun/NL Industries, Inc. 1 I i _2 NORTH SLOPE BOROUGH BARROW GAS FIELD NSB #1 BUILDUP TEST 9/22/87 LOG - LOG ANALYSIS Log-log analysis and pressure derivative analysis were used as a diagnostic tool to dete.~mine the model, end of wellbore storage and start of infinite acting radial flow regimes. The derivative plot indicates the behavior of homogeneous model with wellbore and skin. The plots and results calculated from this method are pre=anted in this section of there~o.~~ ~. -3- [! ""I (] l_ .J i ~'? 't 1 [_0 i NORTH SLOPE BOROUGH BARROW GAS FIELD NSB # 1 BUILDUP TEST 9/22/87 LOG - LOG ANALYSIS PSEUDO PRESSURE METHOD The following parameters were used to calculate the type curve results for the well using a homogeneous type curve with wellbore storage and skin. Pseudo pressure method was used in the calculations. INPUT DATA: Z - FACTOR MATRIX POROSITY -fraction 0.89630000 0.20000000 VISCOSITY TOTAL COMPRESSIBILITY RESERVOIR THICKNESS -cp 0. 01130000 -1/psi 1. 056E-3 -ft 32 WELL RADIUS EFFECTIVE RATE PRESSURE MATCH -ft 0.35000000 -Mscf/D 1150 0.87E-6 TI~ MATCH CURVE MATCH ( CDE2S ) 152.86 1.E+7 RESULTS: PE~M£ABILITY THICKNESS -mD.ft EFFECTIVE PEk.~EABILiTY TO GAS -mD WELLBORE STORAGE COEFFICIENT -bbl/psi DIMENSIONLESS WELLBORE STORAGE COEF. SKIN FACTOR 736 23 0.125 117 5.6 -6- NORTH SLOPE BOROUGH BARROW GAS FIELD NSB #1 BUILDUP TEST 9/22/87 HORNER ANALYS IS Horner Analysis was also used to calculate the reservoir parameters. There is an excellent agreement with the results calculated from the log-log analysis. The plots and results associated are presented in this sar~ion. -7- --1 ...... glZ,~lllr:t~.t.! lr]:.r~f ~; f:~- f! '-fi .... Fi ..... f) ......... f; ................ -.... NORTH SLOPE BOROUGH BARROW GAS FIELD NSB #1 BUILDUP TEST 9/22/87 The following parameters were used to caluc!ate the Horner results for the well. Pseudo pressure method was used in the calculation: INPUT DATA: Z - FACTOR MATRIX POROSITY 0.8963 -fraction 0.20 VISCOSITY TOTAL COMPRESSIBILITY RESERVOIR THICk;ESS -cp 0. 0113 -1/psi 1. 056E-3 -ft 32 WELL RADIUS -ft 0.35 EFFECTIVE RATE FLOWING TIME TP SLOPE INTERCEPT Mscf/D -hr psi**2/cp/log cycle psi**2/cp EXTRAPOLATE [p (DELTAT=iHR) ] psi**2/cp P (DELTAT= 0 ) psi ** 2/cp 1150 99 -1306911.6 42191268 39577444 27334344 RESULTS: PERMEABILITY THICKNESS PERMEABILITY SKIN FACTOR P* OR M* -mD. ft -mD -psi 741 20 5.5 660.49 -9- NORTH SLOPE BOROUGH · BARROW GAS FIELD NSB #1 BUILDUP TEST 9/22/87 SUPERPOSITION ANALYSIS Superposition analysis technique was also used in the calculations of basic reservoir parameters. There is an excellent agreement with the results from both Horner and log-log method, which gives confidence in the results obtained. The plots and results associated are presented in this se4~ion. -10- % :~ t_. 63 f' -~ ~.: F¢C:) F ' C3 L__J fL.'4 t -t ',..! ~-': L. T., . i" I CD . -q -1.3 NORTH SLOPE BOROUGH BARROW GAS FIELD NSB # 1 BUILDUP TEST 9/22/87 SUPERPOSITION ANALYSIS The following parameters were used to caluclate the superposition results for the well using pseudo pressure method: INPUT DATA: Z - FACTOR MATRIX POROSITY 0.8963 -fraction 0.20 VISCOSITY TOTAL COMPRESSIBILITY RESERVOIR TH!C.~NESS -cp 0.0113 -I/psi 1.056E-3 -ft 32 WELL RADIUS SLOPE INTERCEPT -ft 0.35 psi**2/cp psi**2/cp EXTRAPOLATE [ P (DELTAT= 1HR) ] ps i** 2/cp P (DELTAT=0) psi**2/cp -1144.15 42196288 39564732 27334344 RESULTS: PERMEABILITY THICKNESS PERMEABILITY SKIN FACTOR P* OR M* -mD. ft -mD psi**2/cp 736 19.9 5.5 42196288 -12- NORTH SLOPE BOROUGH BARROW GAS FIELD NSB #1 BUILDUP TEST 9/22/87 PRESSURE HISTORY MATCH The buildup data was converted to dimensionless pressure and matched with the buildup type curve generated. There is an excellent match throughout the b6ildup. As a final check, the entire buildup data was matched with the simulated pressure which was generated from the parameters calculated. There is excellent match, which adds confidence in the results calculated. The plots are presented in this section of the report. -13- o /. [] . . j I j i ! J J I I J i I J t I J r., ) I'"' ) I (-.: NO 1 2 3 4 5 6 7 8 9 10 I1 12 13 14 15 16 17 18 19 2O 21 22 23 24 25 26 27 28 29 3O 31 32 33 34 35 36 37 38 39 40 TIME HOURS 0.0000 0.0167 0.0333 0.0500 0.0667 0.0833 0.1000 0.1167 0.1333 0.1500 0.1667 0.1833 0.2000 0.2167 0.2333 0.25OO 0.2667 0.2833 0.3OOO 0.3167 0.3333 0.35OO 0.3667 0.3833 0.4000 0.4167 0.4333 0.4500 0.4667 0.4833 0.5000 0.5167 0.5333 0.5500 0.5667 0.58.33 0.6000 0.6167 0.6333 0.6500 NORTH SLOPE BOROUGH SOUTH BARROW FIELD NS B WELL NO. 1 BUILDUP TEST 9/22/87 PRESSURE HISTORY DATA PRESSURE PSIG NO TIME HOURS 532.725 41 544.367 42 562.709 43 577.757 44 589.180 45 598.517 46 605.877 47 611.769 48 616.603 49 620.118 50 623.154 51 625.350 52 627.108 53 628.426 54 629.484 55 630.143 56 630.583 57 630.912 58 631.022 59 631.311 60 632.080 61 632.519 62 633.068 63 633.398 64 634.057 65 634.716 66 634.935 67 634.716 68 635.155 69 635.375 70 635.594 71 635.814 72 636.473 73 636.803 74 636.913 75 636.693 76 636.913 77 637.132 78 637.132 79 637.352 80 0.6667 0.6833 0.7000 0.7167 0.7333 0.7500 0.7667 0.7833 0.8000 0.8167 2.4833 4.1500 5.8167 7.4833 9.1500 10.8167 12.4833 14.1500 15.8167 17.4833 19.1500 20.8167 22.4833 24.1500 25.8167 27.4833 29.1500 30.8167 32.4833 34.1500 34.3500 35.8167 36.3500 37.4833 39.1500 40.8167 42.4833 44.1500 44.4500 45.8167 -16- PRE S SURE PSIG 637.572 637.791 638.450 638.231 638.231 638.231 638.450 638.450 638.670 638.670 644.231 646.235 647.731 648.568 649.227 650.064 650.723 650.901 651.560 651.999 652.177 652.616 652.836 653.055 653.494 653.672 654.111 654.221 654.441 654.770 654.770 654.880 654.990 655.168 655.429 655.649 655.868 655.826 655.868 656.046 NORTH SLOPE BOROUGH SOUTH BARROW FIELD NSB WELL NO. 1 BUILDUP TEST 9/22/87 PRESSURE HISTORY DATA NO TIME HOURS PRESSLSAE PSIG NO TIME HOURS P.qESSURE PSIG 81 82 47.4833 49.1500 656.265 83 656.265 50.0167 656.265 NO 1 2 3 4 5 6 7 8 9 10 1! 12 13 14 16 17 18 19 2O 21 22 23 24 25 27 29 3O 31 32 33 34 35 36 37 .38 39 40 DELTA TIME HOURS 0.0000 0.0167 0.0333 0.0500 0.0667 0.0833 .0.1000 '0. 1167 0.~333 0.1500 0.1667 0.1833 0.2OO0 0.2167 0.2333 0.25O0 0.2667 0.2833 0.3000 0.3167 0.3333 0.3500 0.3667 0.3833 0.4000 0.4167 0.4333 0.4500 0.4667 0.4833 0.5000 0.5167 0.5333 0.55OO 0.5667 0.5833 0~6000 0.6167 0.6333 0.6500 NORTH SLOPE BOROUGH SOUTH BARROW FIELD NSB WELL NO. 1 BUILDUP TEST 9/22/87 PSEUDO PRESSURE DATA PSEUDO PRESSURE PSI**2/CP NO DELTA TIME HOURS 0.273343440E+08 0.285546140E+08 0.305316780E+08 0.322034980E+08 0.335025360E+08 0.345835600E+08 0.354478520E+08 0.361474760E+08 0.367266200E+08 0.371506280E+08 0.375188320E+08 0.377862920E+08 0.380010920E+08 0.38!625400E+08 0.382923800E+08 0.383733680E+08 0.384274920E+08 0.384679800E+08 0.3848!5240E+08 0.385171!60E+08 0.386119!20E+08 0.386660760E+08 0.387338680E+08 0.387746520E+08 0~388561480E+08 0.389377320E+08 0.389648640E+08 0.389377320E+08 0.389921320E+08 0.390194040E+08 0.390465640E+08 0.390738600E+08 0.391556720E+08 0.39!966680E+08 0.392103440E+08 0.391830000E+08 0.392103440E+08 0.392375720E+08 0.392375720E+08 0.392649280E+08 41 42 43 44 45 46 47 48 49 5O 51 52 53 54 55 56 57 58 59 6O 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 0.6667 0.6833 0.7000 0.7167 0.7333 0.7500 0.7667 0.7833 0.80OO 0.8167 2.4833 4.1500 5.8167 7.4833 9.1500 10.8167 12.4833 14.1500 15.8167 17.4833 19.1500 20.8167 22.4833 24. 1500 25.8167 27.4833 29.1500 30.8167 32.4833 34.1500 34.3500 35.8167 36.3500 37.4833 39.1500 40.8167 42.4833 44. 1500 44.4500 45.8167 -18- PSEUDO PRESSURE PSI**2/CP 0.392923000E+08 0.393195560E+08 0.394016240E+08 0.393743400E+08 0.393743400E+08 0.393743400E+08 0.394016240E+08 0.394016240E+08 0.394290360E+08 0.394290360E+08 0.401252520E+08 0.403776320E+08 0.40~665640E+08 0.406724560E+08 0.407559240E+08 0.405620720E+08 0.409457400E+08 0.409~83480E+08 0.4!C521240E+08 0.4!1079840E+08 0.4!!306400E+08 0.411565520E+08 0.412!45800E+08 0.4!2424960E+08 0.412984840E+08 0.413211920E+08 0.413772360E+08 0.4!~912840E+08 0.414!93800E+08 0.4!4~14320E+08 0.4!4614320E+08 0.4!4754920E+08 0.4!4895520E+08 0.415123240E+08 0.415457120E+08 0.4!5738640E+08 0.4!6019000E+08 0.4!5965200E+08 0.416019000E+08 0.416247000E+08 NORTH SLOPE BOROUGH SOUTH BARROW FIELD NSB WELL NO. 1 BUILDUP TEST 9/22/87 PSEUDO PRESSURE DATA NO 81 82 DELTA TIME HOURS 47.4833 49.1500 PSEUDO PRESSURE PSI**2/CP NO 0.416527520E+08 0.416527520E+08 83 DELTA TIME HOURS 50.0167 PSEUDO PRESSURE PSI**2/CP 0.416527520E+08 -19- NO 1 2 3 4 5 6 7 8 9 i0 1! 12 13 14 15 !6 17 18 19 2O 21 22 23 24 25 26 27 28 29 3O 31 32 33 34 35 36 37 38 39 40 DELTA TIME HOURS 0.0000 0.0167 0.0333 0.0500 0.0667 0.0833 0.1000 0.1167 0.1333 0. 1500 0.1667 0.1833 0.2000 0.2167 0.2333 0.2500 0.2667 0.2833 0.3000 0.3167 0.3333 0.3500 0.3667 0 .-3833 0.40O0 0.4167 0.4333 0.45OO 0.4667 0.4833 0.5000 0.5167 0.5333 0.5500 0.5667 0.5833 0.60O0 0.6167 0.6333 0.6500 NORTH SLOPE BOROUGH SOUTH BARROW FIELD NSB WELL NO. 1 BUILDUP TEST 9/22/87 LOG-LOG PLOT DATA DELTA PRESS. PSI**2/CP NO 0.000000000E+00 41 0.122027000E+07 42 0.319733400E+07 43 0.486915400E+07 44 0.616819200E+07 45 0.724921600E+07 46 0.811350800E+07 47 0.881313200E+07 48 0.939227600E+07 49 0.981628400E+07 50 0.101844880E+08 51 0.104519480E+08 52 0.106667480E+08 53 0.108281960E+08 54 0.109580360E+08 55 0.110390240E+08 56 0.110931480E+08 57 0.11!336360E+08 58 0.11147!800E+08 59 0.111827720E+08 60 0.1!2775680E+08 61 0.1!3317320E+08 62 0.1!3995240E+08 63 0.114403080E+08 -64 0.1!52!8040E+08 65 0.116033880E+08 66 0.116305200E+08 67 0.116033880E+08 68 0.!!6577880E+08 69 0.116850600E+08 70 0.117122200E+08 71 0.1!7395160E+08 72 0.118213280E+08 73 0.118623240E+08 74 0.118760000E+08 75 0.118486560E+08 76 0.118760000E+08 77 0.119032280E+08 78 0.119032280E+08 79 0.119305840E+08 80 DELTA TIME HOURS 0.6667 0.6833 0.7000 0.7167 0.7333 0.7500 0.7667 0.7833 0.8000 0.8167 2.4833 4.1500 5.8167 7.4833 9.1500 10.8167 12.4833 14.1500 15.8167 17.4833 19.1500 20.8167 22.4833 24~1500 25.8167 27.4833 29.1500 30.8167 32.4833 34.1500 34.3500 35.8167 36.3500 37.4833 39.1500 40.8167 42.4833 44.1500 44.4500 45.8167 DELTA PRESS. PSI**2/CP 0.119579560E+08 0.119852120E+08 0.120672800E+08 0.120399960E+08 0.120399960E+08 0.120399960E+08 0.120672800E+08 0.120672800E+08 0.120946920E+08 0.120946920E+08 0.127909080E+08 0.130432880E+08 0.132322200E+08 0.133381120E+08 0.134215800E+08 0.135277280E+08 0.136113960E+08 0.136340040E+08 0.137177800E+08 0.137736400E+08 0.137962960E+08 0.138522080E+08 0.138802360E+08 0.139081520E+08 0.139641400E+08 0.139868480E+08 0.140428920E+08 0.140569400E+08 0.140850360E+08 0.141270880E+08 0.14!270880E+08 0.141411480E+08 0.14!552080E+08 0.141779800E+08 0.142113680E+08 0.142395200E+08 0.142675560E+08 0.142621760E+08 0.142675560E+08 0.142903560E+08 NO 81 82 DELTA TIME HOURS 47.4833 49.1500 NORTH SLOPE BOROUGH SOUTH BARROW FIELD NSB WELL NO. 1 BUILDUP TEST 9/22/87 LOG-LOG PLOT DATA DELTA PRESS. PSI**2/CP NO 0.143184080E+08 0.143184080E+08 83 DELTA TIME HOURS 50.0167 DELTA PRESS. PSI**2/CP 0. 142184080E+08 -21- NORTH SLOPE BOROUGH SOUTH BARROW FIELD NSB WELL NO. 1 BUILDUP TEST 9/22/87 FLOWRATE HISTORY FLOW PERIOD DURATION HOURS 99.000 FLOWRATE BPD,MSCFD 1150.00 CUM. TIME HCb~S 99.000 50. 017 0.00 149.017 NO 1 2 3 4 5 6 7 8 9 !0 Ii 12 13 14 15 16 17 18 19 2O 2~ 22 23 24 25 26 27 ~8 29 3O 31 32 34 35 36 37 38 39 40 SUPERPOSITION FUNCTION 2294.9805 4338.9414 3994.3376 3791.4175 3647.5723 3536.6589 3445.4849 3368.4375 3302.0979 3243.2319 3190.5950 3143.2676 3099.8042 3059.8347 3023.0542 2988.6094 2956.3977 2926.3242 2897.8022 2870.8306 2845.3987 2821.0649 2797.8694 2775.8411 2754.6255 2734.2812 2714.8547 2696.0513 2677.9360 2660.5635 2643.6812 2627.3564 2611.6465 2596.3306 2581.4751 2567.1387. 2553.1243 2539.4971 2526.3145 2513.3987 NORTH SLOPE BOROUGH SOUTH BARROW FIELD NSB WELL NO. 1 BUILDUP TEST 9/22/87 SUPERPOSITION PLOT DATA PRESSURE PSI**2/CP SUPERPOSITION NO FUNCTION 0.273343440E+08 0.285546140E+08 0.305316780E+08 0.322034980E+08 0.335025360E+08 0.345835600E+08 0.354478520E+08 0.361474760E+08 0.367266200E+08 0.371506280E+08 0.375188320E+08 0.377862920E+08 0.380010920E+08 0.381625400E+08 0.382923800E+08 0.383733650E+08 0.384274920E+08 0.384679800E+08 0.384815240E+08 0.385171160E+08 0.386119120E+08 0.386660760E+08 0.387338650E+08 0.387746520E+08 0.388561480E+08 0.389377320E+08 0.389648640E+08 0.389377320E+08 0.389921320E+08 0.390194040E+08 0.390465640E+08 0.390738600E+08 0.391556720E+08 0.391966680E+08 0.392103440E+08 0.391830000E+08 0.392103440E+08 0.392375720E+08 0.392375720E+08 0.392649280E+08 41 2500.8125 42 2488.6128 43 2476.6367 44 2464.9451 45 2453.5923 46 2442.4294 47 2431.5144 48 2'420.8992 49 2410.4465 50 2400.2119 51 1853.0702 52 1604.7341 53 1444.1169 54 1326.1666 55 1233.4963 56 1157.5598 57 1093.5128 58 1038.3329 59 990.0225 60 947.1867 61 908.8048 62 874.1215 63 842.5553 64 813.6450 65 787.0277 66 762.4089 67 739.5421 68 718.2261 69 698.2924 70 679.5930 71 677.4262 72 662.0066 73 656.5969 74 645.4281 75 629.7617 76 614.9292 77 600.8601 78 587.4896 79 585.1533 80 574.7639 -23- PRESSURE PSI**2/CP 0.392923000E+08 0.393195560E+08 0.394016240E+08 0.393743400E+08 0.393743400E+08 0.393743400E+08 0.394016240E+08 0.394016240E+08 0.394290360E+08 0.394290360E+08 0.401252520E+08 0.403776320E+08 0.405665640E+08 0.406724560E+08 0.407559240E+08 0.405620720E+08 0.409457400E+08 0.409683480E+08 0.4!0521240E+08 0.411079840E+08 0.411306400E+08 0.411565520E+08 0.412!45800E+08 0.412424960E+08 0.412984840E+08 0.413211920E+08 0.413772360E+08 0.413912840E+08 0.414!93800E+08 0.414614320E+08 0.414614320E+08 0.414754920E+08 0.414895520E+08 0.415123240E+08 0.415457120E+08 0.415738640E+08 0.416019000E+08 0.415965200E+08 0.416019000E+08 0.416247000E+08 NORTH SLOPE BOROUGH SOUTH BARROW FIELD NSB WELL NO. 1 BUILDUP TEST 9/-22/87 SUPERPOSITION PLOT DATA NO 81 82 SUPERPOSITION FUNCTION PRESSURE PSI**2/CP NO 562.6344 0.416527520E+08 551.0548 0.416527520E+08 83 SUPERPOSITION FUNCTION PRESSURE PSI**2/CP 545.2379 0.416527520E+08 -24- NO 1 2 3 4 5 6 7 8 9 I0 1! 12 13 14 15 16 17 18 19 2O 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 HORNER TIME (TP + DT)/DT 5929.1440 2973.9729 1981.0000 1485.2581 1189.4753 991.0000 849.3290 743.6857 661.0000 594.8812 541.0981 496.0000 457.8528 425.3463 397.0000 372.2036 350.4529 331.0000 313.5987 298.0297 283.8572 270.9755 259.2833 ~248.5000 238.5810 229.4791 221.0000 213. 1277 205.8417 199.0000 192.6005 186.6366 181,0000 175.6956 170.7240 166.0000 161.5319 157.3240 153.3077 149.4926 NORTH SLOPE BOROUGH SOUTH BARROW FIELD NS B WELL NO. 1 BUILDUP TEST 9/22/87 HORNER PLOT DATA PRESSURE PSI**2/CP NO 0.285546140E+08 0.305316780E+08 0.322034980E+08 0.335025360E+08 0.345835600E+08 0.354478520E+08 0.361474760E+08 0.367266200E+08 0.371506280E+08 0.375188320E+08 0.377862920E+08 0.380010920E+08 0.381625400E+08 0.382923800E+08 0.383733680E+08 0.384274920E+08 0.384679800E+08 0.384815240E+08 0.385171!60E+08 0.386119120E+08 0.386660760E+08 0.387338680E+08 0.387746520E+08 0-.388561480E+08 0.389377320E+08 0.389648640E+08 0.389377320E+08 0.389921320E+08 0.390!94040E+08 0.390465640E+08 0.390738600E+08 0.391556720E+08 0.391966680E+08 0.392103440E+08 0.391830000E+08 0.392103440E+08 0.392375720E+08 0.392375720E+08 0.392649280E+08 0.392923000E+08 41 42 43 44 45 46 47 48 49 5O 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 HORNER TIME (TP + DT)/DT 145.8851 142.4286 139.1331 136.0061 133.0000 130.1248 127.3884 124.7500 122.2196 40.8663 24.8554 18.0200 14.2295 11.8197 10.1525 8.9306 7.9965 7.2592 6.6625 6.1697 5.7558 5.4033 5.0994 4.~347 4.6022 4.3962 4,2125 4.0477 3.8990 3.8821 3.7641 3.7235 3.6412 3.5287 3.4255 3.3303 3.2424 3.2272 3.1608 3.0849 PRESSURE PSI**2/CP 0.393195560E+08 0.394016240E+08 0.393743400E+08 0.393743400E+08 0.393743400E+08 0.394016240E+08 0.394016240E+08 0.394290360E+08 0.394290360E+08 0.40!252520E+08 0.403776320E+08 0.405665640E+08 0.406724560E+08 0.407559240E+08 0.408620720E+08 0.409457400E+08 0.409683480E+08 0.4!0521240E+08 0.411079840E+08 0.411306400E+08 0.411865520E+08 0.412145800E+08 0.412424960E+08 0,412984840E+08 0.413211920E+08 0.413772360E+08 0.413912840E+08 0.414!93800E+08 0.414614320E+08 0.414614320E+08 0.414754920E+08 0.414895520E+08 0.415123240E+08 0.415457120E+08 0.415738640E+08 0,416019000E+08 0.415965200E+08 0.416019000E+08 0.416247000E+08 0.416527520E+08 NORTH SLOPE BOROUGH SOUTH BARROW FIELD NS B WELL NO. 1 BUILDUP TEST 9/22/87 HORNER PLOT DATA NO 81 HORNER TIME (TP + DT)/DT PRES SURE PSI**2/CP NO 3.0142 0.416527520E+08 82 HORNER TIME (TP + DT)/DT P?~ESSURE PSI**2/CP 2.9793 0.4!~27520E+08 -26- Parameter Viscosity Porosity Total compressibility Temperature Zone thickness Wellbore radius Shots per foot Gas gravity Water saturation Gas saturation Recorder depth Depth (TVD) Tubing size O.D. Tubing size I.D. Casing O.D. Flowing time Treatment Production rate Perforated interval Flowing tubing press. Fi owing tubing temp. Shutin wellhead press. Shutin wellhead temp, NORTH SLOPE BOROUGH BARROW GAS FIELD NSB # 1 BUILDUP TEST 9/22/87 DATA SUMM3LRY Value Units 0.0113 0.20 1.056E-3 I/psi 54 Deg F 32 feet 0.35 feet 4 0.56 0.40 0.60 2350 feet 2390 feet 2-3/8 inches 1.995 inches 7 inckes 99 hours None 1150 mscfd 2288-95 feet 2230-39 2242-47 feet 2250-62 2266-79 feet 501 psig 35 Deg. F 570 psig 19 Deg. F Source Corre!. Reported Corre!. Reported Reported Reported Reported Reported Reported Reported Reported Reported Reported Reported Reported Reported Reported Reported Reported Reported Reported Reported Reported Reported Reported Due to the uncertainty of variable well conditions and the necessity of relying on facts and supporting services furnished by others, NL SPERRY-SUN does not guarantee the accuracy of the research analysis and other data it furnishes. Under no circumstances should an~ interpretation, measurement or recommendation be relied upon as the sole basis for any well treatment or production decision. The customer has full responsibility for all the well treatment and production procedures, and all other activities related to drilling and production oparations. TELECOPY NO.' (907) 276-7542 July 27, 1987 Mr. Ron Chapman North Slope Borough 3201 "C" ~Street Anchorage, Alaska 99503 Dear ~lr. Chapman: Attached for your files are approved applications for permits to drill North Slope Borough Wells ~ 2, 3, 4 and 7. You will note that the approval date for these Permit to Drill Forms is subsequent to the actual drilling of the wells. The delay in processing these permits results from "honest differ- ences of opinion" which culminated in a June 22, 1987 agreement between the Borough and the Commission. We look forward to a continuing mutually beneficial relationship. Sincerely, C.~ V- ~Chatt~rt~Zon Chairman Enclosures dlf:6.NSB ' ' STATE OF ALASKA ALASKA O,,.. AND GAS CONSERVATION CO,,,.¢IISSION PERMIT TO DRILL 20 AAC 25.005 i la. Type of work Drill [] Redrill E]J lb. Type of well. Exploratory [] Stratigraphic Test ~] Development OJJ [] Re-Entry [] Deepen[]J Service [] Developement Gas ~ Single Zone [] Multiple Zone ,, 2. Name of Operator 5. Datum Elevation (DF or KB) 10. Field and Pool NORTH SLOPE BOROUGH 46 KB feet SOUTH BARROW ,,. 3. Address 6. Property Designation 3201. C STREET ANCHORAGE, AK. 99503 NSB FEE 4. Location of well at surface 7. Unit or property Name 11. Type Bond (see 20 AAC 2,~.025) 379 FEL & 1602 FNL SEC 15, T 22N, R 18W SOUTH BARROW At top of productive interval ABOVE 8. Well nurpber Number NSB #1 At total depth A.~OVE 9. Approximate spUd date Amount 200,000 411187 12. Distance to nearest 13. Distance to nearest well 14. Number of acres in property 15. Proposed depth (MD and TVD) property line 4,90t feet 1,900 feet 21,120 2,600 feet ,,. ,, 16. To be completed for deviated wells 17. Anticipated pressure (see 20 AAC 25.035 (e)(2)) Kickoff depth feet Maximum hole angle 0 Maximum surface I ,OOO pslg At total depth ('rVD) I ~050 pstg 18. 'Casing program Setting Depth size Specifications Top Bottom Quantity of cement ,., Hole Casing Weight Grade Coupling Length MD TVD MD TVD (include stage data) 24 2O 94 H - - 0 40 50 PF _~x.. 17½ 13-3/8 72 K 8rd 128 0 150 200 PF 12¼ 9-5/8 53.5 s ~8rd 1278 0 1300 1300 PF 8~ 7 32 N 8rd 2578 0 2600 150 O 19. To be completed for Redrill, Re-entry, and Deepen Operations. Present well condition summary Total depth: measured feet Plugs (measured) true vertical feet Effective depth: measured feet Junk (measured) true vertical feet Casing Length Size Cemented Measured depth True Vertical depth Structural Conductor Surface .~ Intermediate Production ' ' ': '~ ? Liner Perforation depth: measured ~:::iC:,:',, 7' true vertical 20. Attachments Filing fee XX Property plat EX BOP Sketch ]ID[ Diverter Sketch [] Drilling program LX" Drilling fluid program [] Time vs depth plot [] Refraction analysis [] Seabed report [] 20 AAC 25.050 requirements [] 21. I herebYsigned c~~rrect Title to the best '~~°f"~mY knowledg~_._,,~ Date J Commission Use Only ' Permit N u,l~e_r71 API50_num~3_ 20020 Appr°v~ ¢~7/87 .for other requirements "conditions of approval Samples required [] Yes ~'~No Mud log required" E] Yes Hydrogen sulfide measures [] Yes [] No Directi0n&l survey required [] Yes ~No Required wo~~ [] 5M; [] 10M; [] 15M Other: Approved bye,,._,/./. ~_¢y~~ Commissioner the commission Date Form 10-401 Rev. 12-1-85 / ate eeO .~,l~'Ow Sa~ I ! ~ ,_.___.._ ........ / I/ ~V--~~' " ........ "~ .~ ,,,,., ,, .~.'~ 7 '/ '" ~' ,, ~ ~ /,~ ~ /~./~~~~ ." /.,~}/ ,. . ~,,,,o., ' · I ,p-- l N',N~to ~: T'~.~ ~ ~' -,,,,-,..._..,..._:: . :=..=.. ,,. -'::'"'", /, . 2 · .,ooo~/X, (, :X:,51 ~¢ " . ~'.,~,,~ ~, .~_.,.,~?,~ ," _,,'.'x/ti.,,_~/:.,o,o.-~~..'~,,~' :..,,,o~-~:-: ~ ~~POTENTIAL RESERVES 12 BCF //0150" / !/' I _/ / ~ / j -- i~ ' ~ ~ -- ' " , " ~n. ~_ ~ /.~-~' ~ _.~o'~t ~_,~? I~ ~ }~--- ~i '/ _.,,~0:o0./~.~., ~~°k ---- .--- , / z --m ~ , ~---. __, · , ,. ~ ~ ~ , ~ ~.~ ..... ~ ~ ~ ................ ~ , ~ l . I [ ~ ~-2~o~ ' , J ~'J ' , ~ J ~ , ~ ......... .... ' , .. STRUCTURE MAP ~ j ,; j LEGEND APPROXIMATE TOP BARROW ~ . .... j ...... ~ ,,ov,~ ..~ [~] BARROW AREA i ~ n ~t ..OBlatE .~SE.V~S NATIONAL PETROLEUM RESERVE IN ~' POTEN~IAL RESERVES [ 1 I , -ous~o~ t~x*~N J ORUY AND ASSOCIATE~ i , - ~ ,, , ' ~ ' -~ ~ .. , ~ ,:l.:~7 +:-.. :: ~ .. .~ ~ ~ : -- ,~.~, ........ ...: , , ?~. ! ,_: .... :, i ' ~ ' ~ ' ~ '"~: '~ -- ".L~:~?., '.': , · ' ~ ~ '~' ...... ' ' '7::~'-'~':~ ' ~ , i '' : t :" : "t .... ' i ' '~ ' ,, DRI!! INS P~AM ~ve Ri9 in and R,U. Mix mud {or I?-1/2" holm - P.U. t~HA & ~ill ~ 120' - R.U. to run 1~-5~8" C~. - cat p~ attach~ prac~e. F~N. N,U.- DiYerter & Div~ter lines & test sa~e - P,U, ~0' - P.O.H, - ~n ~-~/B" C~. - c~. per p~oced~e. Di~lac~ ~pu~ mud ~htle H,O,~. - a~ N,D. 6ive~ line~ & HY~, N,U. ~-5/8" C~ head 6" sub/be~ - N.U, B,O,P,E. & te~t to ~ psi - cle~ pits build caclz syst~ - drill I0' ncc hole & pe.~m (~ ~ot e~c~ 11.5 PPG) No Hole prelim anticipate. PoU, BHA with M~D collars & drill 8-I/2" Hole to T.D. 2_200'+ - P:O.H. & R,U. to Log - Run L~ - R.D.D.~.- R.U. ~0 Run 7" ~8. - cat. per attached procedure, Possible loss circul~ion attached procedcu-e Drilling Program Pa~e 2 Make sure thread~ are cleaned & inspected prior to the measure each Reciprocate pipe duping coting. · · 1, Utilize trip tank - aonit~ & rec;~-d 2. Be alert to gas cut mud book. A ~J:Lef_ Sa{ety meeting prior to each job is r~quirad. Pressure testa recorded. (Emphasize keeping personnel clee~ ~htle %est is being perfc,-med) 6, Walk, 8afc L be I · k~ will CIRC. & Condition hole prior to all ~B. 3~bs - Trips & L~gging 2. Wiper tripe an an add needled basis, Dr~ 1~ ing Programming Page ~ 1400' 12-1/4" ~-5/B" Bpu~ Run alt molids control equipment to keep euO as clean am possible. ER__DD LIC TLtN4__U~I~,.~ 1400' - 2200' Weight 9.4- 10,5 PPB 4D-4B EEC/ET 7 lB-22 4-6 CC/50 Nih APl APR 87 'S7 ~9:19 HSB-Pt~]~CRAGE LIAISO~I OFFICE Willing pr~grammi ng Page 4 ~2200' t~ I700' th=l umes 500' x .1268 BO' x · 15 cu ~t o~ 8furry 17 cu ~Ft m~ ~lurry 95 cu ~t ~f Slurry No. of ~Ks = ~7~) SKs 9-5/8" 1500' x .51~2 . = 200~ Ex 100' 40' x .4110 ' 407 cuft ~ Slurry i& cu ~t of.t31urry 1270 mu f t Qf Slurry Blurry Waight (lbs/gal ~ 14.~ No. crF BKs = (1~) BKs SOUTH BARROW · ' (,-:..~'~ ', ~ . WELL 6 ' N 6,315,657 ,, ' . ,) f . E 663,,39IZED . ( (~.;. "" ~iTM ''~ PISI 'c) · 400 N 6,311,567 '._ ....."-';" "~, "'~ E 664,051 t-'m] ':..':) DIGITIZED .._..__ -.j r .~, -,..% E 665,708 DIGITIZED BAR 8CACE 0 400 800 1200 feet ', "~i'g"~V' ' ~l'n'd - ~ 17 W ;'"'U .^' M..-',---~ ~-· .... This map located wilhin T22N, i ~ above sea level. Ve~aical datum is based on existing Well No. 13, Flange Elev. = 26.00' o IZ~ ~ I"= I mile SCALE SURVEYORS CERTIFICATE NSB WELL NO. I LAT I Hereby Certify That I'om a Professional Land LONG. Surveyor in and for the State of Alaska and y That This Plat Represents an As-Built Survey Made by me or Under my Supervision, and That X All Dimensions and Other Details are Correct. ZONE LOWER = TI° 15'24.163" = 156°38'16.760" = 6, 3 I I, 272 = 660, 30 I = 6 MOST FLANGE ELEVATION = 26.56"ABOVE SEA LEVEL. AS- BUILT .. .NORTH SLOPE BOROUGH WELL NO, I LOCATED IN ~]~.~-.........~.~,.....-.. SE I/4 PROTRACTED SEC. 15, T. Z2N.t R. 18W., tiM., ALASK~ ...;_: ....... .-, .NORTH SLOPE BOROUGH ¢, %'... ...'~i'~ ,,c~..... _...~.,, BARROW GAS FIELD OPERATIONS '~--~-~ BTS/LCMF L I M ITED, J.V. RO. BOX 427 /723 W. 6th AVENUE ITEM (1) Fee (2) Loc (2 rtCru 8) (8) (9 'nb. ru 1.3) (10 and 13) -(14 thru 22) (23 r=u 28) (29 thru 31) (6) OTHER Geology: Engineering: rev: 01/28/87 6.011 1. Is the permit fee attached .......................................... 2. Is well to be located in a defined pool ............................. 3. Is well located proper distance from prop~ line .................. 4. Is well located proper d~.~tance frc~ other wells .., ................. 5. Is sufficient undedicated acreage available in this pool ............ 6. Is well to be deviated and i~ wellbore plat incl~d ................ 7. Is operator the only affected party ................................. 8. Can pezmit be approved before fifteen-day wait ...................... 9. Does operator have a bond in force .................... ~ 10. Is a conservation order needed .... lil..li.i..i.i.....i....li.i....il 11 Is administrative approval-needed 12. Is tha lease m~er appropriate ..................................... ~ 13. Does the well have a uniqua name and r~t~ber .......................... 14. Is conductor stzing provided ........................................ ~ 15. Will surface casing protect fresh water zones ....................... ~/ 16. Is enough cement used to circulate on condudtor and sumface ......... /~ 17. Will cement tie in suzface and intermediate or production st~s ... 18. Will cm~nt cover all known productive horizons ..................... ~ 19. Will all casing give adequate safety in collapse, tension and bu=st.. ~ 20. Is ~ well to be kicked off from an existing wellbore ............ = 21. Is old wellbore abandonm_=nt procedure included on 10-403 ............ 22. IS adequate wellbore separation proposed ............................ /~ 23. Is a diverter system re~red .......................... . ............. ~ 1 IS the drilling fluid program schematic and list of equipm=~t adequate "' Are necessary diagr~ and descriptions of diverter and BOPE attached. ~ 26. Does BOPE have sufficient pressure rating - Test to ~oc~ psig .. ~f 27. Does the choka m~nifold comply w/AP1 RP-53 (May 84) .................. 28. IS the presence of ~S gas probable ................................. ~ For exploratory and Stratigraphic wells: 29. Are data presented on potent±al overpressure zones? ................. 30. Are seismic am~]ysi~ data presented on shallow gas zones .... .. ....... _~, ~, 31. If an offshore loc., are survey results of seabed conditions presented ,, ~'I"Z'ZAL ~0. UNIT 0N/02~ POOL CLASS STATUS AREA NO. SHORE Well History File APPENDIX Information of detailed nature that is not particularly germane to the Well Permitting Process but is part of the history, file. To improve the readability of the Well History file and to simplify finding information, information of this nature is accumulated at the end of the file under APPENDIX. No special effort has been made to chronologically organize this category of information. NL BARO! D MF. tD LIS 9 TRACK MAGNETIC TAPE t.~ERI FT r ..... .... ~ tON LISTING RECORD T"r'PE 1:32 REEL HEADER RECORD LENU.H 132 S RV CNP'i Y R,"M 0.,' DA R E E LNAM E R C: P R ETA F'Nhl RLL-B 87/04/22 REEL-O01 01 C OHM ENT S: N 1.2;DNSN RECORD TYPE 232 COMMENTS COMPANY NAME:NORTH SLOPE BOROUGH NELL NAME :NSB NO.1 . REPEAT LOG(MAD) :2157-2380:FET=36 HRS, F! EL.[) :SARRON GAS Ft ELD C 0 LIN T Y STATE C': 0 UNT RY RIG :GRACE ~211 :ALASKA OEO - ,- - -'," t]i~ & Oas COMF'ANY REP :MR, C:HAF'MAN & HUBBARD RECORC, TYPE 130 TAPE HEADER RECORD LENGTH = 132 S F',V C:NH ', F.'..., M U/L. ~ TAPENAME RE: PRETAF'NM RLL-B 87/04.,'"22 TAPE-O 21 01 COHMENTS: REPEAT LOG(MAD) :2157-2:380:F~_~=.z,::, HRS 2:BSn .... 24nm:FET=1c~ N 1,2;DNSN I H R S, ~ S :E; RECORD LENGTH = 62 F t Lt'-.~wt'.! N LIM fdA)'::; R L RLL.-B .OOL 1024 C: OMM ENT S: _ . -"', A.cl COHPEIS t TE F I LF OF RUNS I, ~:, ...,._ P R. EV F LNAPI E RECORD TYF'E 64 DATA FORFIAT SPEC IFiE:ATION RECORD LENGTH = 468 BYTES 'TYPE S I ZE CODE DESCR i PT i ON 4 I B UP/DOWN FLAG = -1 13 i B OUTPUT DEPTH FLAG = 0 14 4 A UNITS OF DEPTH iN DATA RECORDS = FT 1~ .... D ,_ I B REP CODE FOR RI iTPIIT DEPTH = 0 0 B TERH t NAT'OR DATA SPEC i F I CAT )]. ON BLOCKS NAME SRVC:NM ORDERNUPi UN_I,T LOGT CRVT CRVE: APTM F ILNLIM DEPT RLL.-E: 0000000 OT O 0 0 0 00 G RA R L L. - B 0000000 0 0 0 0 0 01 GRB RLL-B 0000000 0 0 0 0 0 01 GRC RLL-B O0000F~O 0 0 0 0 0 01 ROP RLL-B 0000000 0 0 0 0 0 01 ENf r,'",'.._ L° i ' - F,.:~. 0 0 0 0 0 Fi 0 0 fi. 0 0 0 F_I I CNPS RLL-B 0000000 0 0 0 0 0 01 C:NFO RLL-B 0000000 0 0 0 0 0 01 C:NF1 RLL-B 0000000 0 0 0 0 0 01 CNN 0 R L L- B 0000000 0 0 0 0 0 0:1. CNN1RL.L-B 0000000 0 0 0 0 0 01 DEPT GRA GRB GRE: CN P S CN F 0 C'N F 1 CNN 0 1310 on 42 47 46 =~' 44 ~';' .... = .... ,¢..]~ __ . -_ , _ , '¢]._~ 1410 O0 oo ,_,,.., 44 103 03 '-'~- .... d._,. 7 :B :35 64 ~.~;q O0 ,,'~:i O0 30S',G O0 1._10 O0 ,..,, 64 :36 87 :=:I 76 31 R8 818 .o~ 812 2'R 30 74 R2 1610, O0 ~'~;' _~. 12 c,,,'~'~, 06 R:3 . rig_ _ 27 90 91.:) 66 901 ::::6 32P;'-' 60 1 710,, n_ 0 7:q ..c.: .... 71 ,, 8'-',=:, 7"",::. . ._,='-',::. 32 E,A 884 ~"" R92 54 "-'- _ ..... ,-.~ ...... 361.4s 181 iD ,, 00 ~1 .,, E~5 5'.-:,~. 95 60 . 26.65 955.35 941 ,, 0'2 3433,, 34 iS¢lO. O0 73.41 78,, 43 75,, S:'2 30 67 :':.:¢-,q 99 -,,c, ~. 20 30 '25, ,' 7 2010. O0 74.22 83.2.:'7 78.7,'4 ~'" 823 07 ':'~ 41 827 ..~,.., 2977 46 2110,, 00 72 ,, 40 90 , m6,_ 8I .4'---',_, 37,, 81 806,89 '-'¢ '=,-' b: z.~. 62 304~,_ ,, 02 221 El n 0 80 91 '- =' -"-' '-' . . . z~...., ~ ;': c, 8.32 31 7'7 oN x',q -,.~. . o., 4, ,.., ~' ,, 1,84 2970, '25 SiZE F' U.....' L 04 0001 0 4 000 i 04 0001 04 U U U 1 0 4 U U U 1 04 0001 04 0001 04 U U U 1 04 0001 0 4 00 01 0 4 0 0 0 i P, 0 F' C:NN -999.25 -99'._-}. 2 '~12 :3080.0 52,29 320 r-;. 0 26:. 0:3 :3:381.74 2:4, n..--'-, 3398.0 56.88 :3e.Z;d. 90 JL f_-,. :z: 309:3,81 c, n--, :3016.8 72:,12 31._,=:3,22 48.60 2911 2 · 't '--'4 '--, '-2410 O0 40 16 ~1 ._4 45 85 2.'_--: 09 '.28 '-' '"' .... ~' ':'"' -' '"' - , ._ 1 ,::, ,' o. 46 3497.19 ':-'F, . . '" 'c 29 LE F-.'.ECOR[:, T ~ P,_ I F i TRA ! LER RECnRD LENGTH = F ! LNAM. i'4 UM MAX R L RLL-B ,,001 1024 NEXT F LNAM E RECORD T"(F' E RECORD LENGTH = F'I [.NAM. NUN RLL-B .002 COMMENTS: RUN ~I G2 MAX R L P REV F LNAM E 1024 12.6:0 RECORD TYPE 64 DATA FORMAT SPECIFIC:AT ION RECORD LENGTH = 468 BYTES TYPE SIZE CODE DESCRI PTI ON 4 i B UP/DOWN FLAG = -1 23 ! B OUTPUT DEPTH FLAG = 0 i4 4 A UN. 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O0 7c~. _ . i'-'~ 87 ,06 :E:3, n ':~. ~ 27,90 912,66 901.86 3252.60 1710, O0 73,22 71,92 72,52 S!ZE F'LVL 0 4 0 0 01 04 0001 04 0001 n 4 n n n i 0 4 0 0 0 'i 04 000 ! 0 4 0001 04 0 i:1 I]1 '~ 04 00 N i 04 0001 04 0001 E kJ. R - 999. :25 ,Z't ,Z, 11.76 '9.39 11, ¢:; 5 ~¢:';% ~ ':'.~5~ '='F, 941 02 .'::a:=~:q 34 ""¢; .... .................... · =, o,:.,-- . 90 i910 nfl ~'3 41 ~"-' 4:3 7~ '=~2 i~-~ 33 30 67 ,- .....99 ~Sn 20 ~',"]?~ ~"'- :30c,:=: :=:1 . ,_-,~],=).__ ,.' _ ,, ..=,,. ,_..~ ,, ,- ;' _._ ,, 2010 O0 74 22 83 '-"~ ~':" -£ -- , , . ,:= / ,- ,..., . 7 4 :.-' '~t . IJ o ,='.~ -'.. -?. · :,R 41 :q27 R4 8~3 07 ,=...,., 46 3016 85 RECORD TYPE 1.29 FILE TRAILER RFRnRD LEN=~H = ,.:..o F I LNAM. NUM MAXRL RLL-B 002 l ~ ,:..4 NEXT F LNAM E REC:ORD TYPE 128 FILE HEADER RECORD LENGTH = F I LNAM. NUM RLL-B .003 C OHM ENT S: RUN ¢2 62 MAX R L F'R EV F LNAM E 1024 9.77 :3.44 RECOR[:. TYPE 64 DATA FORMAT SPECIFICATION .......... RECORD LENGTH = 468 BYTES TYPE SiZE CODE DESCRIPTION 4 ! B UP/DOWN FLAG = -I 13 I B OUTPUT DEPTH FLAG = 0 14 4 A U.N!TS OF DEPTH iN DATA REE:OF.'.[:'S = · ~ S I B R~, F:F~r')E FOR OLITPLIT DEPTH = D 0 0 E: TERMINATOR FT DATA SPEE:IFICATION B=JL. Ko NAME F;RVCNM ORDERNLIM UNIT LOGT DEPT RLL-B 0000000 OT 0 C R,v: iT, C: RV C A P i i"1 F ,'r L N UH 0 0 0 00 SIZE F'LVL 04 I-I 0 O '1 GRA RLL-B 0000000 :7 0 0 0 0 0:3 04 0 0 L-I Z GRB RLL.-B 0 0 0 0 0 0 0 0 0 0 0 0 0:3 0 4 U U U 1 G R C R L L- B 0000000 0 0 0 0 0 03 04 0001 ROP RLL-B 0000000 0 0 0 0 0 0'3 0 4 00 () 1 EWR RLL-B 0000000 0 0 0 0 0 03 0 4 0 0 01 CNPS RLL-B 0000000 0 0 0 0 0 03 04 00 0 i C:N F 0 R L L - B 0000000 0 0 0 0 0 0:3 .,~F! R~ L-B 0000000 0 n ~] 0 0 nS 0 4 U U U i CNNO RLL-B 0000000 0 0 0 0 0 03 El 4 lEI 001 CPIN 1 R. L L'- B 0000000 0 0 0 0 0 0:3 04 0001 DEPT GRA CNPS CNFO 2046,~ O0 71.25 -999.25 -999.25 2146,00 81 35,91 737.76 2246.00 54,76 7.73 814,68 GR8 GRC CNF1 CNNO 80.23 75.74 -999.25 -999.25 97.03 89.39 715.62 2956.45 71.2:3 e,z, 9'3 798.40 3104.51 ROP CNN1 -999.25 -999.25 46. U'=.~ 3031 ::: ~,. ::: 3149..13 · 1 i::' ,-~ EN F'.. -999.25 9.50 14.25 R.,=L.U~:L. TYPE 129 FTLE TRAILER RbUL, RD LLh-~=in = 62 F I LNAM, N UM PlAX R L RLL-B ,003 1024 NEXT F LNAP1E REC:ORD TYPE 1'--' FILE . ~:b HEADER RECORD LENGTH = F i LNAM, N LiN RLL-B ,004 C OMM ENT S: RUN 4~3 (MND) PlAX R. L F'R EV F LNAM E 1024 '- .:,F r.:._, t F! CATI R. aCEIRD TYPE 64 DATA FORf"!AT '" .... '-P O!",t .......... F',E CO R [:,~ LENGTH. _ = TYPE S I ZE CODE [:,ESE:R I PT ! ON 4 I E: UP/[:,OFiN FL.Au = 13 ! B OiJTF'UT DEPTH FLAG = 0 14 4 A UNITS OF DEPTH IN DATA RECORDS 15 i B REP CODE FOR OLITPUT DEPTH = D 0 ,.,n B TERPi I NATOR = FT DATA SPECIFICAT!ON BLOCKS NAPtE SR. VCNM ORDER. NUM UNIT LOGT DEPT R. 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ON 4 I B UP/DONN FLAG = -1 13 I B OUTPUT DEPTH FLAG = 0 14 4 A UNITS OF DEPTH IN DATA RECORDS = FT 1%.. i B ,PEP.. CF~D~',_ ,_ FOR ,_,,...,""'""'PUT, DEPTH = D 0 0 B TERPII NATOR DATA SPECIFICA]'ION BLOCKS _ t """ i iN t T LOGT CRVT C:RVC AP I M F I LNUP1 .'__.; I ZE F'LVL P, NAME SRVCNM FIR. DERN_,,.', _ . DEPT RLL-B 0000000 OT 0 0 0 0 O0 04 0001 E:, G RA R L L-B 0000000 0 0 0 0 0 05 04 n n n i D GRBo R''-B,_, .......... O0000no 0 0 n 0 0 n5 n4 nnol D G R C: R L L - B 0000000 0 0 u 0 0 05 04 0001 D RATE RLL-B 0000000 0 0 0 0 0 0.5 04 0001 D EM R R. L L- B 0000000 0 0 0 0 0 05 04 0001 D C:NPS RLL-8 0000000 0 0 0 0 0 05 04 0001 E:, C:NFO RLL-B 0000000 0 0 0 0 0 05 04 uuul D CNF1 RLL-B 0000000 0 0 0 0 0 05 04 0001 D C:NNO RLL-B 0000000 0 0 0 0 0 05 04 0001 D :.,, 4N.,. F.'. L L-B 0000000 0 0 0 ri 0 05 n 4 0001 D DEPT GRA GRB GRC RATE ENP, '-" "-," r'N~n CNFI CNNn CNNZ · .:,,~. O0 , 6:.9 35 -- .......... -- - -999. :25 .... :..~g':..~ '::'% -':'.~99,2%:, _gc~q .-,~ -999 25 22:32.00 o,.'-"~ ,, 67 90. .4I R9__. ~]4_ 151 . .=;'--'~__. _.':"~. :32 38 84 ~.=,c.~ O0 ~'""7 O0 2824 on :--:n96 On '-' ...... .:,~: 181 49 14 42 ,::..=,._-:~,00 '-"-' 88 3% 62 :2:4 2~; 07 c~.;,q .~:~ 87% 08 3602', 78 3~¢--,? ~].% REL. dR[. TYPE 129 FILE TRAILER RECORD LENGTH = F i LNAM, NUM RL.L-B .005 RECORD TYPE 131 62 HAX R L NEXT F LNAM E 1024 TAPE TRA ,,t-;.c. Uh:.D LENG'TH = 132 SRVE:NFi Y R/PtO.."D~ TAPENAME RC NXTTAF'NM R. LL-B 87.,'04.-'"22: TAPE-O 21 01 -- ~. r'FIMPIEN F._ R. EPEAT i OG(MAD): 21._,,,-:ooJ F~ ~ =._.-,e, HRS , ....... . ..--, .... .... ~ ::;: _ ~'-'-" '-'""-'r: c--~ --, .-- , 2::::F:r~-240~: FET=i '-.q HR'S. ~ '-"-' ! I -- '~ t~'·I ' RECORD. TYPE 133 REEL TRAtLER ...................... SRVCNM YR/MO/DA REELNAME RC NXTRELNM RLL-B 87/04,.'"22 REEL-O 01 01 SRIGI SEqvi REEL L- NGT , :,,,r T~ T~PE CATE T~PE COMME LENGT EL *~E&.DER '** NAME : · N : FSYS "'E N&,Vc: '.:~iTL.;-S vC) N"r, INUAT;ON NU:;"'BE~,: 3'1 GtJ$ REEL NA?;E : NT~ n tz3 ..,: R~'SSE~ ,~,TL&< ~- 1~2 ~YTES N C : FSYS E NA~'4~-,,,~ MAIN, D ONTINUST10,% ~'.,~JU~,E!R' US TAPE NAME : 1 ~'2 5YTES "*' *' FILE FILE NAHE: M~.iN C.001 S ER'v'IC E NAME: VERSION' ~ : t DATE: ~5/1!/~0 %4 ""' f'~ . , :,AX R~',.,OPu LEN"' "" · ._ ,.¢Ti.,,: t ,. ,:.,. U S l L E N ~YTES MNEM CN WN COUN STAT LCC CONTENTS NnRT~ qtn~: NS~ NO.1 SOUTM B~RROW NOx,:,, SLu ALASK~ ..... ¢,00 ~O*~UCH G.&S ~ iE UNIT~ rjATUM ENTRY ELOCK.S SPECIFICATION ~ LOF',~, S "' ij R VF-- REaR NAME '"~ , ~- ~,vDE SIZE S ti"!PL E bN.~i S ~, A L 8 4 I .~ TO. 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