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Home My WebLink About187-075Note ~to file 7 January, 2003 Re: S. Barrow # 7 50-023-20001-00 100-030 North Slope, Borough Operator S. Barrow # 7 DPN 50-023-20001-90 187-075 North Slope Borou~lh Operator Problem: The 407's submitted indicate different surface locations. I called George Finlayson, N.S. Borough Gas Operations, (907-:~67-3228) about this. He had no specific location available (i.e. metes, bounds, sec, Twps, Rng) for these wells, but suggested that the surface location for the original hole and the redrill deepen, was about one-quarter mile south of the S. Barrow # 8 well. That would suggest the the surface location for these two wells is that of the original well, i.e. 2040 FNL, 610 FEL, Sec 14, T22N. R18W U.M RBDMS, Geoframe, and mainframe databases reflect this information, land · .. ~ . " -e e 0~tJ(d 11 \~I ðD :......-../ "'----- MEMORANDUM State of Alaska Alaska Oil and Gas Conservation Co~ission \ FROM: TO: Dan Seamount, it- y Commis$ione~ v¿;~ THRU: BlairWondzell, ~ P. I. Supervisor q(f«i/ÐÔ John H spaUldih~ J òl'-J.*'t 5 Petroleum Inspeçtor DATE: August 31, 2000 SUBJECT: Barrow Gas Field South Barrow Field iCANNED ocr 2 8 2005 .¡ , , AUQust 31.2000: I traveled to the Barrow Gas Field to review their records tor "prope( Plug and Abandonment procedures on the following wells. South Barrow Test well # 4 PTO 100-026 : ~. There is no data on any type of P&A. From our records it appears that the well was drilled in 1950 by the U.S. Navy, production was apparently curtailed in 1968. The well still has a coverlwellhouse over it, there is $till wellhead attached. As the accompanying pictures denote the area around the well head is covered in water. I was unable to find anyplace that would show there was a reserve pit. it is quite possible that the reserve pit was removed. I suggest that before writing this well off as P&A'd, that the US Navy be contacted in an effort to find out where cement in the well bore might be. I recommend that this well have the well house removed, the well head removed, the casing blinded off and at a minimum a mound of gravel or dirt placed around the well to keep the water from impacting the casing· as well as mitigating a safety hazard. South Barrows.¡;; NSB-07DP. PTD 187-075: According to Halliburton's job log and billing statement this well was P&A'd 3-29- 88, the AOGCC records show the well was removed from production status Bnd P&A'd on 11/17/88. The well has a dry hole marker that appears to be placed in the cement after the well head was removed - no welded cover. From the pump reports it appears that cement was circulated down the production tubing with returns being taken thru the annulus. Once cement was observed at surface the annulus valve was shut in, squeeze pressure was obtained and a volume was placed behind pipe or into the formation. Considering the depth of these wells (shallow) this is probably a good cement job, therefore a prettv good P&A. /\ \ I recommend that the well be dug out 3' below original grade, dasings cut off and a welded cover be placed on the casing stub. As these wells are close to town this would mitigate a safety concern of mine with the winter snow machine traffic. ZOO~ XYd CO:Z! gOOZ/gT/60 e e '----, '-----... .~ South Barrow # 12. PTO 100-035 and South Barrow # 18. pro 100-046: These wells were P&A'dat about the same time as welf number 7. same contractor and the same procedure was used. Contractor billings were used to obtain this information as well. No. Sundries were applied for or issued for these 3 wells. ' As noted in the pictures the casing on well # 12 is tore up some, and it appe'ars that the dry hole marker has been placed in the cement at the top of the casing. There is no evidence of a reserve pit in the area. Well 18 as shown in the pictures, has the same type of surface abandonment, with the exception of the reserve pit area. The reserve pit area has been broached and some of the gravel has been removed. ' I recommend that these three wells be cut off 3" below original grade the casing stubs blinded with a welded cap and a mound of gravel placed over the casing. Facilities While in Barrow I visited the facilities that are currently in use. These will be replaced .in the near future. The new facilities are on locLý.ion but have not been commissloJ1ed as yet . .~ I was particularly interested in the current and future LACT metering systems. When at peak usage this meter handles about 6mmcf daily, a relatively small amount. I am not familiar with the current Rockwell "Electro Corrector" system that is in use. this is a charted turbine meter. This meter is "checked" on a monthly basis and is compared to the Barrow Utilities Sales meter. This meter is calibrated on an annual basis. In the new facilities there arë 3 separate runs. one for each field with a "'Daniels" computerized orifice plate meter. These will feed into a 4"l\ne that contains the "Daniels" LACT meter. The new facilities are quite a step up from where they are today. SUMMARY (by Blair Wondzell): 1. South Barrow wells 7.12, and 18 appear to be properly plugged but should be cut off at least 3' below original ground level and a marker plate installed. 2. South Barrow well #4 does not appear to be properly plugged; the well house should be removed, downhole plugs installed and casings cut off at least 3' below original ground level and marker plate installed. 3. The AOGCC should make an annual inspection that would coincide with the calibration of the gas meters. Attachment: Pictures ~ ¡'-'J!i:;ii;Ö¡';¡;;~i.~,'sa· ." k' \.ß~~~~~~~~":'¥O .' ."~ COO~ XVd CO:ZI 900Z/91/ßO , j~EG linage 3'20x240 pj~¢ls :~ /\ ~ e '-~ e '",---- . Subject: pictures Dat~: Tue, 05 Sep 200015:17:05 -0800 From: John Spaulding <john_spaulding@admin.state.ak.us> ùltemal Organization: AOGCC To: Blair E Wondzell <blair wondzel1@admin.state.ak.us> Blair, how are these coming, thru. js '-------. "-'- ~:..: .-- ....:.~ " "I';;"'~~:~~iÊ~~~~r(l- !III ~ t' '"'\ . ... ;~ , I ,:,;'¡ . .:;;." ' ~.~~1\~~': F:~., ~;: --- '. '... ~ :~ ~:~/f ..~,:"~ " .....: , , ' , ' ' --:....' .. .. ." ',' __. II;:>¡;.," "~ ',. w . .."..- ., .. lof3 f7001lJ Roc.lwe.l\ It G(e.d-...o Cor/Y.U.n,r I< S r3 f& (8 9114/00 12:07 PM XVd CO:Z! 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(907) 852-0327 FAX TRANSMITTAL TO; Name 5rel/€ /V\.c /v\'4ZNJ ¡:; 0 6- c::c. Organization Fax No. :z.. 76 - 75-42 FROM: S7E 1/£ /V\.ð~ lZ~E DATE: c¡ . 1.$' 0/) , Total number of pages, including this page 6 MESSAGE: STf,Y£ I A 71 17~}/E D Tö D~H .I .s THê 1..£'/7£2- SEA ..v-.ðVNí DATE}) FJ2.Þ.I\.^ JðH.N SPAU-Ir,bIN/- ¡::hJ6-LJ $-:T .3 J. 2ÞðO , ?LE~.s1! IE,.. '^^€ /(/JO\N IF YtJ,U AtE£v ¡:)/oJYTHZ)./(;- £LSJ!' ~lJ~ç- PLEASE CALL US IF YOU DON'T RECEIVE ALL PAGES. -', !.,,,"- fi> ~., ~ '\ ~';"'<- , ü'. .' , ..'- d"~' L. .i \/ ~- ~ . » ~ .,.~ I \l iL.", .._.' ,,; C' ~! i. l ,,>~ (>:':1 8. G~ (),...~. (^,:¡.\if.~i!i«, TOO~ '!d'\"'..;~ ·¥:r~·~ XVd CO:ZT 900ZI9T/60 MICROFILMED 9/28/00 DO NOT PLACE ANY NEW MATERIAL UNDER THIS PAGE ALASKA OIL AND GAS CONSERVATION COMMISSION November 5, 1992 WALTER J. HICKEL, GOVERNOR 3001 PORCUPINE DRIVE ANCHORAGE, ALASKA 99501-3192 PHONE: (907) 279-1433 TELECOPY: (907) 276-7542 Jerry Wilt Director, Industrial Development North Slope Borough Box 1120 Barrow, Alaska 99723 Dear Mr. Wilt: Regarding our phone discussion on November 3, the AOGCC will be reassigning API numbers on a well operated by the North Slope Borough in the Barrow Gas Field. In order to remove duplicate records from our databases, we will change the number for the following well: Well Name Permit # Old API Number New APl Number S Barrow NSB-7DPN 87-75 50-023-20001 50-023-20001-90 We will not announce these changes to the public until the first week of December to give you the opportunity to make the necessary changes. Give me a call if you would like to discuss this matter further or if you have any questions. Sincerely, /- {~Jaek Hartz ,~ Petroleum Reservoir Engineer Telecopy No. (907) 276-7542 October 20, 1988 Erik Opstad North Slope Borough 3201 "C" Street, Suite 602 Anchorage, AK 99503 Re: Final LocatiOn Clearance, North Slope Borough, South Barrow Well #7 Dear Mr Opstad: On August 16, i988 the North Slope Borough (NSB) South Barrow (SB) #7 well location wa~ inspected by our representative. A meeting was held with you and Gary Hammon in the Commission offices on September 22, 1988 to discuss additional work to be done on the location. By letter dated October 11, 1988 you provided the Commission with photographs which showed all additional work to be completed. The Co~ission determines the location meets requirements of 20 AAC 25.170, and hereby approves final location clearance for the NSB SB #7 well location. Sincerely, ~. i?' / Lonnie C Smith Commis s ioner jo/A.RAD.78 NO RTli SLOPE BOROUGH ¢OEPARTMENT OF INDUSTRIAL DEVELOPMENT BARROW GAS FIELD DEVELOPMENT 3201 C Street, Suite 602 Anchorage, Alaska 99503 Phone: 907-561-8820 TO: Mr. C. V. Chatterton Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 DATE: October 17, 1988 TRANS.#: 8810171-NSB REFERENCE: SB #7 Completion Report & Wireline Log The following technical data is being submitted herewith. Please acknowledge receipt by signing and returning a copy of this transmittal to the North Slope Borough, attention Mr. Erik A. Opstad.~ ENCLOSED INFORMATION SUMMARY Submittal SB #7 Bluelines: 1 Dual Induction Log X Sepia: 1 Dual Induction Log X Completion Report: Form 10-407 X Received By: A.O.G.C.C. / Date 'DEPARTMENT OF INDUSTRIAL DEVELOPMENT BARROW GAS FIELD DEVELOPMENT 3201 C Street, Suite 602 Anchorage, Alaska 99503 Mr. C. V. Chatterton Commissioner Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 Phone: 907-561-8820 October 17, 1988 Re: Well Completion or Recompletion Report & Log SB #7 Dear Commissioner Chatterton: Over the past year we have been reorganizing and improving the well records system for the Barrow Gas Fields as part of an overall effort to correct the many weaknesses which have developed over the years. During this process it has come to our attention that a Completion Report may never have been filed for the redrill work conducted on SB #7 in 1987. To correct this apparent discrepancy, enclosed please find a Well ComPletion or Recompletion Report & Log (Form 10-407) for SB #7 with appropriate attachments. As you know, SB #7 has now been plugged and abandoned, but we still regret this oversight and hope that it has not caused any inconvenience. Please let either Gary Hammon or myself know if you have any,~ additional questions concerning this submittal. Respectfully yours, Erik A. Opstad Geological Consultant North Slope Borough cc: Well Records STATE OF ALASKA '-'-- ALASKA ..IL AND GAS CONSERVATION C ~MMISSION WELL COMPLETION OR RECOMPLETION REPORT AND LOG 1. Status of Well , , Classification of Service Well ENDED ?' ' ABANDONE SERVICE [] SUSP t~ / OIL [] GAS ]~( 2. Name of Operator North Slope Borough 3. Address 3201 C Street, Suite 602, Anchorage, Alaska 99503 4, Location of well at surface 2042' FNL & 222' FWL, Sec. 14, T22N, R18W U.M. Alaska At Top Producing Interval As Above At Total Depth As Above 5. Elevation in feet (indicate KB, DF, etc.) KB = 28.10 6. Lease Designation and Serial No. N/A 12. Date Spudded 06/04/87 17. Total Depth (MD+TVD) 2412 MD 7. Permit Number 87-75 8. APl Number 50- 023-20001 9. Unit or Lease Name South Barrow 10. Well Number South Barrow #7 (SB #7) 11. Field and Pool South Barrow 13. Date T.D. Reached 06/07/87 18. Plug Back Depth (MD+TVD 2412 MD 14. Date Comp.,Susp. or Aband. 115'Water Depth, if offshore 116. No. of Completions Susp. 06/11/87 I , N/A feetMSLI One (1) 19. Directional Survey I 20. Depth whereSSSV set 21. Thickness of Permafrost YES [] NO ID I No SSSV feet MD Est. 900' 22. Type Electric or Other Logs Run Dresser Atlas (DLL/GR) & (MLL/GR) 23. CASING, LINER AND CEMENTING RECORD CASING SIZE WT. PER FT. GRADE HOLE SIZE CEMENTING RECORD AMOUNT PULLED 16" - - 10-3/4" 7" 18-5/8" 14" ' 9-5/8" ,8-1/2" 65# 51# J-55 29# N-80 5-1/2" 20# J-55 SETTING DEPTH MD TOP BOTTOM iSurface 158' . Surface 998' Surface 2238' 2205' 2403' 24. Perforations open to Production (MD+TVD of Top and Bottom and interval, size and number) 8 Jts 5-1/2" 20# VFJ Slotted Liner - 10 Row 20 Slots/ft., .060" 2244 - 2403' MD. 1]0 sxs Pmrm. 500 sxs Perm. 700 sxs Perm, 25. TUBING REcoRD SIZE 2-3/8" DEPTH SET (MD) PACKER SET (MD) 2395 ' None 26. ACID, FRACTURE, CEMENT SQUEEZE, ETC. DEPTH INTERVAL (MD) N/A 27. PRODUCTION TI~ST Date First Production I Method of Operation (Flowing, gas lift, etc.) Well Susp. after 1st test. I Date of Test Hours Tested PRODUCTION FOR OIL-BBL GAS-MCF 06/09/87 24 TEST PERIOD ~ None 220 Flow Tubing Casing Pressure CALCULATED OIL-BBL GAS-MCF Press. N/A 520 24-HOUR RATE ~ -- -- IAMOUNT& KIND OF MATERIAL USED N/A WATER-BSL /'I"~h'~K'E~,ZE I GAS-O,L RATIO 150 110/64 I N/A WATER-BBL }61LGRAVITY-API (~orri - I N/A 28. CORE DATA Brief description of lithology, porosity, fractures, apparent dips and presence of oil, gas or water. Submit core chips. Originally, SB #7 was completed only in the Upper Barrow and this redrill was intended to slight deepen the well to expose approximately 33' of potentially productive Lower Barrow Sandstone. Operational problems prevented the collection of ditch samples, but subsequent wireline logs showed the Lower Barrow to be lithologically equivalent to that observed in SB #6 and SB #8 which are offset to the northwest and north. Calculated water saturations suggested that water had encroached into the Lower Barrow, and the production test on completion confirmed the wireline data. Form 10-407 Submit in duplicate 29. K~..i 30. GEOLOGIC MAR :,~ ~, .¢rORMATIONTESTS NAME Include interval tested, pressure data, all fluids recovered and gravity, MEAS. DEPTH TRUE VERT. DEPTH GOR, and time of each phase. Top Lower Barrow 2347 2347 Base Barrow Sand 2390 2390 31. LIST OF ATTACHMENTS Dresser Atlas openhole wireline (DLL/MLL/GR/SP/CAL) 32. I hereby certify that the foregoin.g~ true and correct to the b.est of my knowledge Signed Title Proj. Geologist Date Oct 17, 1988 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 10.4f~7 . LOPE BOHOUGI! , OF INDUSTRIAL DEVELOPMENT ~.~ FIELD DEVELOPMENT · ,~t, Suite 602 Anchorage, Alaska 99503 Mr. Lonnie C. Smith Commissioner Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 Phone: 907-561-8820 ; October 11, 198 Re: Photographs of Various Barrow Gas Fields P & A Well Locations Dear Mr. Smith: During our September meeting you indicated that it would be helpful if we provided the AOGCC with photographs of the final site work around the Barrow Gas Fields wells which were plugged and abandoned this spring. Enclosed are four (4) photographs of each location (SB #5, #7, #12 and #18) taken immediately following our recently completed grading of the sites. In our opinion these locations now meet AOGCC guidelines concerning restoration of abandoned well locations in actively producing fields, and we respectively request your final approval of this work. Please let either Gary Hammon or myself know if you have any additional questions concerning the condition of the sites, or any other issues related to this matter. Respectfully yours, Erik A. Opstad Geological Consultant North Slope Borough cc: Well Records North Slope Borough MEM ORANDUM State of Alaska ~' .~ ' ~SKA OIL AND GAS CONSERVATION CO}~{ISSION TO: Lonnie C. Smith Commissioner DATE: September 2, 1988 FILE NO: D. ADA. 017 THRU: FROM: MiChael T. Minder Sr. Petroleum Engineer Doug Amo~ Petroleum I~-spector TELEPHONE NO: SUBJECT: Location Clearance NSB South Barrow No. 7 Barrow Gas Field Sec. 14, T22N, R18W, U.M. Tuesday, August 16,. 1988: I traveled this date from Anchorage to Ba=~0w to conduct the final location clearance inspection on North Slope Borough South Barrow Gas Well No. 7. As the attached photo- graph's and AOGCC Surface Abandonment Report indicate this location is in good condition. The gravel pad is clean and contoured. There is a rough area around the marker post but I was assured by Gary Hammon NSB Rep., that this area of the pad would be smoothed and compacted when the barrel around the marker post is filled in. I therefore, recommend that the commission grant this location final clearance status. In summary, I conducted the final location clearance inspection on North Slope Borough South Barrow Gas Field Well No. 7. I found the location to be in an overall good condition with the exception of the rough area around the marker post. I recommend that the commis- sion grant this location final clearance status. Attachment September 22, 1988 Final approval pending. NSB to remove barrel around marker post, fill and grade around marker and grade rough section of pad. Pictures showing completed work to be sent to AOGCC. . 02-001A (Rev. 8~85) 20 AAC 25, ,',R'['ICLI'] 2 FILE IN?OblFL,\TION: Surface Location of Well / Pewnit No. , . , co~. ~z t,~o. Sec. /~ , T ZZ ~; R /~ ~,.~ M' Unit or Lease Name 20 AAC 25 120: WELL ABANDO .... .×T ~.5\KKER Dia. Steel Post (4"Min.) .4L/; , Height Above Final Grade Level (4' Min.) Top of Marker Pipe Closed with: Cement Plug Screw Cap Welds Set: On Well Head ~, On Cutoff Casing-_ L.~;' In Concrete Plug Distance Below Final Grade Level ~ Ft. ~ /''.,,in. Side Outlets' All Valves .and Nipples Removed All Openings Closed /~:::;~, With Blinds ~, With Cement ~, Other INFOPJ.~ATION BE,\IPWEI.DEI) D!t{EC'f£LY TO }.b\RKEI POST' (List ~ere Differ'ant Iron File Information) Operator /hi, %, ~. Unit or Lease Name Well Number ~ ~ , Surface Location of Well: ,%040 :~.~s~, &lo :t.,~>:~,,s~. 14 , TZZ >7.,, ~/~ i 20 AAC 25 170: LOCATION CLLA,-UP PITS: Filled In __, Liners Removed or Buried , Debris Removed ~/' SURFACE OF PAD AND/OR LOCAT[ON': Rough , Smooth , Contoured , Flat g~, Compacted , Other CLEAN UP OF PAD AND/OR LOCATION: Clean ,~, Pipe Scrap Paper , Other , Iron Scrap , Wood , Mud , Careen t SURROUNDING AREA: Wooded , Brush Sand , Other , Tundra /,'"Grass , Dirt , Gravel CONDITION SURROUN!)I':',~(, ,~.~",x1~,\: Clean t//~Trash from Site__ Other , Trees and/or Brush from Clear£ng Site ACCESS ROA'D: Dirt_ , Gravel t/, Ice__, Other CONDITION ACCESS ROAD AND SURROUNi)ING'' Clean ~Rough ' Smooth , Trash from Operations , Trees and/or Brush from Clearing Road , Spoil from Clearing I<oad Other REMAINING TO BE DONE: RECOP, HE[<D-. APPRO~.ALr OF ABANI)ONHENT: Yes i~,'"" No Final Inspection / MEMORANDUM State of Alaska ALASKA: OIL AND GAS CONSERVATION COMMISSION ~f~;~<~'i DATE: June 22, 1988 TO: Lonnie C Sm{th ,~ ~" Commissioner / roLE NO: D .ADA. 116 THRU: Michael T Minder ~'i-'~'~. Sr Petroleum Engineer TELEPHONE NO: SUBJECT: Location Clearance NSB SBU 5 & 7 South Barrow Gas Field FROM: DOug ~mos ~~' Petroleum Inspector Tuesday~ June 14, 1988: I traveled this date from Anchorage to Barrow'~o'c0ndUct thelocation clearance inspection for the abandonment of the North Slope Borough South Barrow Gas Field wells 5&7. I was unable to conduct a complete inspection on these two locations becaUse of the snow cover. I was able to inspect and photograph the well abandonment marker post. Both marker posts were in compliance with the applicable AOGCC regulations. As the attached photographs show, there is considerable snow-covered debris on these locations. I was assured by Gary Hammon, NSB representative, that the locations would be cleaned up as soon as the weather permitted, and that he would contact our office to schedule another inspection. I filled out AOGCC location clearance inspection forms. These two forms, along with the photographs of the marker posts, are attached. In summary, I conducted a partial location clearance inspection on the North Slope Borough South Barrow Gas Field wells 5 & 7. I was unable to conduct a complete inspection because of the snow cover on the locations. At tachments . ,/~ 02-001A (Rev. 8/85) ~ .S. Y4.!RI.'ACE ABANi)C';,qI'lh'T ItI']I'/)RT 20 ,\,\C 25, ,',RT[CLI,: 2 FILE INFO-Kb(TION: Operator_ l~9e-'[~ ~-~I.O~ ~fa, Oga.~[4- l~a, te Downhole P & A Surface Location of Well Permit No. 20 AAC 25 120: WELL ,\BAN . DO .....NT bkRKER: Unit or Lease Wel Field & Pool Dia. Steel Post (4"Min.) .~' , Length (10' Min.) Height Above Final Grade Level (4' Him.) 6~/ Top of Marker Pipe Closed with' Cement Plug Screw Cap Set: On Well Head , On Cutoff Casing , In Concrete Plug Distance Below Final Grade Level 'Z-' Ft. d~)~ in. Side Outlets' Ail Valves and Nipples Removed ~ All Openings Closed , With Blinds Welds ~ , With Cement ~, Other IN'FO?~.IATION t{E,kI)~.4EI.DEI) I)!_t~.ECT£LY TO b%RKER POST: (List h~ere Different from File Infonnation) Operator _~T'~ ~~ ~~~ Unit or Lease Name ~T'M Well Number . ~ , Surface Location of Well: 20 AAC 25,170: LOCATIO~ CLEA~-U~ ~ ~ ~ ~ [~ ~! FITS: Filled In: , Liners Removed or Buried__, Debris Removed .. O SURFACE OF PAD MJD/OR LOCATION: Rough __, Smooth ....... , Contoured , Fiat , Compacted Other CLEAN UP OF PAD AUD/OR LOCATIOH: Clean , Pipe Scrap , Iron Scrap ~Wood, , biud Paper , Other SURROUNDING AREA: Wooded , Brush , Tundra ~, Grass , .Dirt Sand , Other , Gravel l~ ~ CONDITION SUP. ROUN1)I,N(; C 1 ean Other Trash from Site , Trees and/or Brush from Clearing Site ACCESS ROA'D · Dirt , Gravel b.'/, Ice , Other CONI)ITION ACCESS ROAD ANI) SURROUN!)II',"C: Clean , Rough , Smooth /, Trash from Operations , Trees and/or Brush from Clearing Road , Spoil from Clearing Road Other RECONI'iENO.. APPROVAL OF ABANIPONHENT: Yes , No / Final Inspection 05/26/8~ d i NORTH SLOPE BOROUGH DEPARTMENT OF INDUSTRIAL DEVELOPMENT BARROW GAS FIELD DEVELOPMENT 3201 C Street, Suite 602 Anchorage, Alaska 99503 Phone: 907-561-8820 Mr. C. V. Chatterton Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 March 10, 1988 REFERENCE: P & A Sundry Application for South Barrow Field Well #7 and East Barrow Field Well #12. Dear Mr. Chatterton: Enclosed are applications by the North Slope Borough to plug and abandon two wells within the South Barrow Gas Fields Pool Rules Area. This work marks the first step in the North Slope Borough's effort to improve operational efficiency in the Barrow Gas Fields, and to eliminate conditions .which could potentially pose safety problems in the future. Briefly, well #7 was originally drilled by the Navy during the initial phase of South Barrow Gas Field development. The well was a marginal producer from the on-set of initial production and now produces water at rates which exceed the handling capaCitY of the well and surface facility design. Well #12 is a marginal producer originally drilled by the Navy as an exploratory step-out. This well contributes little to village gas supplies and the wellhead, along with other surface facilities, are in poor condition. The well requires ever increasing maintenance and could pose safety problems in the near future. Faced with the cited conditions we feel that abandonment of these two wells is a rational and prudent course of action. '--" STATE OF ALASKA ~ ALASt 'OIL AND GAS CONSERVATION COM,, _,SION APPLICATION FOR SUNDRY APPROVALS 1. Type of Request: Abandon I~ Suspend [] Operation Shutdown [] Re-enter suspended well [] Alter casing [] Time extension [] Change approved program [] Plugging [] Stimulate [] Pull tubing [] Amend order [] Perforate [] Other [] 2. Name of Operator 5. North Slope Borough 3. Address 6. 3201 "C" Street, Suite 602, Anchorage, Alaska 99503 4. Location of well at surface Umiate Meridian Alaska 7. 2040' FNL & 610' FEL, Sec. 14, T22N, R18W At top of productive interval 8. Datum elevation (DF or KB) KB = 36' Unit or Property name South Barrow Well number 7 Permitnumber Unknown 9. APlnumber 50-- 023-20001-00 As Above Ateffective depth As Above Attotaldepth As Above 10. Pool East Barrow Field feet 11. Present well condition summary Total depth: measured true vertical 2351' feet 2351' feet Plugs (measured) N/A Effective depth: measured 2349' feet Junk (measured) None true vertical feet Casing Length Size Cemented Measured depth Structural True Vertical depth ConduCtor Surface 146' 16" + 100 sxs. 158' 158' Intermediate 986' 10-3/4" + 600 sxs. 998' 998' Production 2227' 7" + 210 sxs. 2238' 2238' Liner 159' 5TM ~ None 2403 ' 2403 ' Perforation depth: measured 5½", 20#/ft, slotted liner from 2205' - 2403 slotted 244' - 2403' MD BKB 71. '-" true vertical As Above ,. Tubing (size, grade and measured depth) 2'3/8", 4.7#/ft., N-80 @ 2395' MD BKJ3 %';'i'"':?')"~' ' Packers and SSSV (type and measured depth) No~e ;.; 12.Attachments Description summary of proposal [~2F'""Detailed operations program I~OP sketch 13. Estimated date for commencing operation On or about March 16, 1988 .,. 14. If proposal was verbally approved Name of approv, er ,. Date approved 15.1 hereby cer~f~d correct ~m~.~ Signed _~-~~~,~ Title_ Commission Use OnlY Date Conditions of approval Notify commission so representative may witness I Appr°val N°'(~'- Approved by Form 10-403 Rev 12-1-85 Plug integrity [] BOP Test /~ Location clearance Approved Copy Returned_ ,~ Commissioner by order of the commission Date_~ '-/~, Submit in triplicatej~ NORTH SLOPE BOROUGH DEPARTMENT OF INDUSTRIAL DEVELOPMENT BARROW GAS FIELD DEVELOPMENT 3201 C Street, Suite 602 Anchorage, Alaska 99503 Phone: 907-561-8820 SOUTH BARROW WET,T, %7 PROPOSAL SUMMARY AND OPERATIONS PROGRAM March 10, 1988 Proposal Summary Well #7 was originally drilled by the Navy during the initial development of the South Barrow Gas Field. As a result, the available data on this well has been obtained from incomplete daily drilling reports, miscellaneous correspondence, and contractor reports. The information contained in this application has been complied by the Barrow Gas Field Drilling and Geoscience staff and represents the best available information. Well #7 produces water at rates which exceed the water handling capacity of the well and surface facility design. Since this well can no longer contribute to village gas deliverability, we feel that abandonment is called for. General Operations S~mmary To abandon well #7 we intend to employ a quick and simple procedure as follows: · R.U. Halliburton, circulate permafrost cement down the 2-7/8" Tbg and up the 2-7/8" x 7" annulus to completely fill the entire hole volume to surface with cement· Close annulus and bullhead 50 sxs. of cement into tho fomation, R.D. Halliburton & ~OC. , · Observe wellhead pressure, remove wellhead, cut off below ground level and install "Dryhole" marker as per A.O.G.C.C. regulations. We expect operations to commence on or about March 16, 1988 to be completed in less than 24 hours. A.O.G.C.C. P & a #7/#12 Page 2 of 2 03/10/88 General Operations Plan To accomplish the abandonment work, we will employ the following plan for both well #7 and well #12: ® · · Circulate permafrost cement down 2-7/8" Tbg and up the 2-7/8" x 7" annulus to completely fill the entire hole volume with cement. Close annulus and bullhead 50 sxs. of cement into the formation, WOC, observe wellhead pressure. Remove wellhead and install "Dryhole" marker as per A.O.G.C.C. regulations. We expect to commence operations immediately on your approval, so your prompt consideration of this application would be appreciated. Thank you. Sincerely, Consulting Geologist cc: BGF Ops. ! · ' ~." ¥£K'r[D T~RU ROOF' Of' 'wlE LL t,K:X.~E 2;" PRE$$URI[ REDUCTION STAT I 0 N I,/:~' "~/'[NTED OI.JTSID£ OF WE.L L,HOUSI[ SOUTH BARROW WELL N~.7 ISOMETRIC WELLHEAD SCHEMATIC, · ~ORTH 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 thi~ letter to this office, attention Mr. Erik A. Opstad. MWD LIS .Tapes Verification 'MWD Log Sepia Diplog Sepia CCL Sepia Well History _ ENCLOSED INFORMATION SUMMARY _ / / Submittal ..... NSB #1 NSB #2. NSB #3 NSB #4 NSB #7 /~ ~ z/ ~.p~.~ W~rel~ne LIS Verification X X ~ ~ ~ x ~ .. Received By: A. O. G. C .'C~. /AI~"~i & Gas Cons. Commisslon Anchorage Barr~°w 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 2, 1987 TRANS.#: 87120201-NSB REFERENCE: South Barrow Well #7 Recompletion Report 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) 2) Completion Report (3 copies) Wireline Logs Received By: L~...,~ A.O.G.C.C. / Date ¢~7 '~ -'- ' STATE OF ALASKA ALASL,-, JIL AND GAS CONSERVATIOP .,~,MMISSION WELL COMPLETION OR RECOMPLETION REPORT AND LOG ,, 1. Status of Well Classification of Service Well OIL'E] GAS [] SUSPENDED [] ABANDONED [] SERVICE [] .... 2. Name of Operator 7. Permit Number North Slope Borough 87-75 ,_ 3. Address 8. 'APl Number 3201 "C" Street, Suite 600, Anchorage, Alaska 50-023-~ ~°~)°t 4. Location of well at surface 9. Unit or Lease Name 2042~ FNL & 222' FWL, Sec. 14, T22N,, R18W U.M. Alaska South Barrow ,, At TOp Producing Interval 10. Well Number As Above ' SB #7 At Total Depth 11. Field and Pool As Above .... South Barrow Gas Field 5. Elevation in feet (indicate KB, DF, etc.) I 6. Lease Designation and Serial No. 24,10 '~ '~ B~'adenhead FlangeI N/A 12.¢Dat. eSpudded "',3..DateT.D. Reached 14. Date Comp., Susp. orAband. 115. Water Depth, if offshore" 116. No. of Completior~s · :~ 06-04'~8,.7 ";" /'.06-07-87 Comp. 06-]:. 1-87 N/A feet MSL One j 7.,i~qtal DePth iMD+TV'D)' 18'.Plug Back Depth (MD+I'VD) 19. Directional Survey 20. Depth where SSSV set I 21. Thickness of Permafrost 2412' 'MD' ?'":' ' '2412' MD YES E] NO [] Not,used ~x~u~xI Not determined ' , :~2. Ty'p~'El~c~ric or ~)ti~rer Lo'g's'l~un '-...(DLL/MLL/GR) &, COLLAR LOG; measured from rig KB @ 36.0" elevation. ,.,~ ~ ~; , ,, ,'23~' - ..'. i ~ : " ' ' , :. CASING, LINER AND CEMENTING RECORD · '~" ..... :!~ " ' SETTING DEPTH MD CASING SIZE WT. pER FT. GRADE TOP BOTTOM HOLE SIZE CEMENTING RECORD AMOUNT PULLED , 0 '"16'r.'¢..:..,:.., 65#.!,~ii'.,. ' - Surface 158' 1'8-5/8" ll0...sxs --- 10-3/:4'i':~, :~1#'4¢';''' J-55 Surface 998": 14" ' 500 sxs 7" 29# N-80 Surface 2238 ' 9-5/8" 700 sxs "'5½"' ' 20# J-55 2205' 2403" ,, ............... 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) 2-3/8" 2395 ' MD None 8 Jts 5½" 20# VFJ Slotted Liner @ 10 Row with 20 Slots/Ft., .060 Slots, runEing 261 ACID, FRACTURE, CEMENT SQUEEZE, ETC. from 2244' - 2403 ~ ~ '~ ~'~-~ ~.¢9 DEPTH INTERVAL (MD) AMOUNT & KIND oF MATERIAL USED · ., ,, 27. ¢.:~, ;~ o~ , ..¢.~0 PRODUCTION TEST - .~¢~-.', ~..~t. ,.~ , ,¥~?':.t,,K , Date First Production ¢""~¢ Method'*O~ Operation (Flowing, gas lift, etc.) I DateofTest Hours Tested PRODUCTION FOR OIL-BBL GAS-MCF WATER~BBL'" CHOKESIZE I(~AS-OILRATIO 07-05-87 15 Hours TEST PERIOD I~ None 805 None 6/64 .I N/A Flow Tubing Casing Pressure CALCUL~ATED OIL-BBL GAS-MCF WATER-BBL OIL GRAVITY-APl (corr) Press. 230 N/A 24-HOUR RATE I~ _ -- _ -- ,, 28. COP E DATA Brief description of lithology, porosity, fractures, apparent dips and presence of oil, gas or water. Submit core chips. No core taken! Wireline logs indicate that the well reached TD below the base of the Lower Barrow Sandstone. The Lower Barrow sands had higher than expected water saturations. This observation when coupled with recent pressure profiles is suggesting that water influx may becoming a factor in the South Field. Form 10-407 Submit in duplicate Rev. 7-1-8() CONTINUED ON REVERSE SIDE 29. ¢ ; 30. GEOLOGIC MARKEF~ ,i ,,,-~RMATION TESTS . , ,. NAME Include interval tested, pressure data, all fluids recovered and gravity, ,, MEAS. DEPTH TRUE VERT. DEPTH GOR, and time of each phase. Upper Barzzow 2264 2264 None '. ~owe~ ~a~ow 2347 2347 .. ~ase ~a~ow 2380 2380 .. " 31 LIST OF ATTACHMENTS '*~>. 32. I hereby certify that the fore~oin~ i~ true and correct to the be~t ot my knowledge ~~~~~~ Si~ne Title ~ate 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 ALASKA OIL AND GAS CONSERVATION COMMISSION TELECOPY NO: (907) 276-7542 July 27, 1987 Mr. Ron Chapman North Slope Borough 3201 "C" Street Anchorage, Alaska ·99503 Dear Mr. Chapman.. Attached for your files are approved applications for permits to drill North Slope Borough Wells ~/1, 2, 3, 4 and.~ 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. Sincere~, C. V'. C att rpon/ Chairman ~ £ Enclosures dlf:6.NSB '- " .~'. STATE OF ALASKA --- ALASKA , AND GAS CONSERVATION C .IMISSION PERMIT TO DRILL 2O AAC 25.005 , ,, la. Type of work Drill [] Redril, ~. Type of well. Exploratory [] Stratigraphic Test [] Development O,1 [] Re-Entry [] Deepen~1 Service [] Developement Gas Z3 Single Zone [] Multiple Zone [] 2. Name of Operator 5. Datum Elevation (DF or KB) 10. Field and Pool _ NORTIt SLOPE BOROUGH 36 KB feet SOUTH BARROW 3. Address 6. Property Designation 3201 C STREET ANCHORAGE, AK. 99503 NSB FEE 4. Location of well at suri'~ce 7. Unit or property Name 11. Type Bond(,ee 20AAC 25.025) 2042 FNL & 222 F~qL SECTION 14,T22N, R18W O~[ SOUTtl BARROW At top of productive interval ABOVE 8. Well nurpber Number I~ ~J'~ - 7 At total depth ABOVE 9. Approximate spud date Amount 200,000 6/1/87. 12. Distance to nearest 1~3. Distanc'e to nearest we'll 14. Number of acres in property 15. Proposed depth(Mo a,d TVO) property line 5,502 feet 1,800 feet 21,120 2,500 feet '":~6.":1'o'"~3e completed for deviated wells" 17. Ani'iciPated pressure (see 20 AAC 25.035 (e)(2)) Kickoff depth feet Maximum hole angle o Maximum surface 1jO00 psig At total depth (TVD) 1,050 psig 18. Casing program . Setting Depth size Specifications Top Bottom Quantity of cement Hole Casing Weight Grade Coupling Length MD TVD MD TVD" (incl"de st.age data) , ,,, ,,,, 19. To be completed for Redrill, Re-entry, and De'pen operations; Present well condition summary Total depth: measured 2,351 feet Plugs (measured) true vertical feet Effective depth: measured 2,351 feet Junk (measured) true vertical feet Casing Length Size Cemented Measured depth · True Vertical depth · Structural 134 16 100 Sx 158 '' Conductor Surface 974 10-3/4 600 Sx 998 ' Intermediate Production 2214 7 210 Sx 2238 Liner 149 5~ Slotted Liner 2200 - 2349 Perforation depth: measured OPEN HOLE true vertical 20."Att'~,chments Fiiin..g fee E~ Property plat EX BOP Skeich [] Oiverter Sketch [] Drilling program Drilling fluid program I~ vs Time depth plot [] Refraction analysis [] Seabed report [] 20 AAC 25.050 requirements 21.1 hereby ce~f°regoing is~nd correct i~)the best of my knowledge '~' Sig,ned "/' "--'- commission Use'Only ' / { I ' 'Seecover'letter Permit N ~r)b..e~ 5 A~ nu r01~ _ ~ Appro~)a)/~.t~ / 8 7 . 50-- 2,~o o~ for other requirements Conditions of approval Samples required [] Yes ~No Mud log required [] Yes J~No Hydrogen sulfide measures [] Yes [] No Directional survey required [] Yes [] No Required working .p..r.e~sure for BOP..B~-~ ~VI; ~ 3M; [] 5M; [] 10M; [] 15M Other: /~/.~. ~~ ~,,~7 by order of Approved by Commissioner the commission Dat 4 ~ 2 I ' · - ' ' ~ ~o ~e~ow SANO ~ ~ ........ ~ - ~ . - ~ .- ..... I ...... ~ ........ ~ ..... ~ .......... ~ / PROBABLE RESERVES DECEMBER ~2~ t /'~-./ / ~ [ ~ / ~ ....... .~.~,-=,,~' ,'k ~ ~ a°/ / // I -. I ~ ~NN ' ~ / ,'~' ~Y .1-- I SEISMIC CLOSURE' POTEN11AL .---- ....... .'l 5 , _ ~~~0~ ~ [' u O0'~l ~2uv .2250~ t ~ ~ ~ ~2 '~ ~ ~ I ~ ............................ U t II~ ~' ~ ~ ' 1 .'~'~ ~' ~ ~ ~-' ', .~,~,~ ~o~.. ~ot~.~,~ V ~ ~ ' ', ' '- I X -~~ : /~ I ~~1 ~ _~~~_ · ~?,,o.~ ~ ~po~,~s~'~ ..oo~ I / . ~ ~,0'L ~~ j ~ ~-73~o~ ' ~ I - I ~ ~ ~ ~ I 23 2~ 19 20 21 ; I I J : I J I STRUCTURE MAP ~ ~~ ..ov~ -~ ' BARROW AREA 2l 27 J 26 2S 30 ', 2~ 21 ~ PROBABLE RESERVES [ ] NATIONAL PETROLEUM RESERVE IN .ouslo~ T[x*sK J GRUY AND ASSOCIAT~ .~'~ 5 X 5 TO THE INCH · 7 X 10 INCHES v KEUFFEL & ESSER CO. MAD[ iN U 46 0410 TO: MEMORANDUM Kenny Wolcott, Manager of Barrow Gas Fields FROM: Ron Chapman, Petroleum Engineer Public Works Department DATE: May~,n° 1987 SU BJ ECT: Remedial Operations - Barrow Gas Fi el ds Potential quick capacity reduction in the East Field has nessita- ted two operations on existing wells. No. 14, a I MMCFPD producer is the lowest' producing well in the East Field. To offset its potential demise it is envisioned that No. 7 will be deepened and No. 19.'be converted to high volume production. The intended sequence after drilling No. I through 4 is to deepen No. 7 and then rework No. 19. Each of these operations are discussed below. No. 7 was drilled into the Upper Barrow Sand only. Deepening of the well be less than 50' would expose the potentially highly pro- ductive Lower Barrow Sand. The planned sequence is as follows: 1. Kill well with 7Z CaC1. Observe 2 hours before proceeding. 2. PU joint so first collar is at 7", set clamp, strip over THF. NU flange, screw in tbg hanger w/BPV. Land and set lock downs. NU double rams and hydril with mud cross. POOH,LD 2-7/8" . 4. RU Dresser. Cut 5" 20# liner 5' below hanger. ''7 5. RIH w/spear and stop to set grapples 2-5 from TOL. Jar loose and POOH. 6. RIH w/jars and spear. Latch liner and POOH. 7. Inspect liner and replace if indicated. Kenny Wolcott Remedial Operations/BGF Page 2 ; 8. TIH to bottom of 7". Circ& Cond. drlg fluid - 7% CaC1. w/HEC only: VIS -- 45. filter all fluids prior to pumpi rig. Drill to 10' below base of Lower Barrow. Drlg times will be plotted - approx 50' total. TD will be called on rig. 10. POOH. PU liner hanger & liner. 11. TIH. Set hanger. 12. POOH. LD DP. · : 15. RIH w/2-5/8" tbg to near bottom. 14. Space out. Install BPV & land. Displace hole to 7% CaC1 w/no HEC. 15. ND BOPs, NU tree. 16. Rock in, flow until clear and release rig. 17. Clean up. 18. Reset wellhouse piping, power ad turn to production. Do not exceed 500 mcf/d for first two weeks increasing rates at maximum of 100 mcf/d per week thereafter. In regards to No. 19, you have my memo of April 22, 1987 speaking of the reason for working on the well to anticipate the loss of No. 14. Further, in response to your question of what happens "if it doesn't work",° the well can be replumbed via'a Hercable snubbing unit prior to major demand times. Below is the detailed procedure. Ron Chapman ~' ,r- .3 L% I" _ i ) "(2) Lo~ ~ 7~-'~'~'""%2._. Is 'wen r.o 'be located in. a.,..da_~.ned pool ............ ~ (2 rJnrn 8) ,~. Is well located proper distance frcm prop. e_~ry line . · · eee · eeeeee (14 r. hru 22) '"'(29 3].) (6) ~ 4. Is well locaued p ~=oper a4*uance frcm ouher ~ .................... 5. Is sufficient undsdicated acreage av-silable in _uh_~ s pool ............ ~ 6. Is ~ to be deviaued and is w~llh~e plau includsd ................ 7. Is operator ~ae only a~fecued parry ................................. ~ 8 Can 1:~ t be approved before fifteen-day ~ait · e e.e.ee e eeeee eeeee e eee 9. Does operator bare a bond in force .................................. ~ 10. Is a conservation order needed ...................................... ~ 11 Is a~,~ura~ive mppr, ~-needed 12. Is the lease r~er appropriaue ..................................... ~ 13. Does rim wall have a unique name and m~her .......................... ~ 14. Is con~uor s~-Lug provided ........................................ 15. Will surface casing prouect fresh ~-auer zones ....................... 16. Is enouCz cement used to circulate on conducuor and surface ......... 17. Will cemen: ~ie in surface and intermed~:e or produa=ion s~rings ... 18. Will c~n~ cover all known produa~ive horizons ..................... 19. Will all casing give adequate safer7 in collapse, tension and burst.. 20. Is th~s well to be kicked off frc~ an ~-~_~:ng we!lbore ............ ; 21. Is old we!lbora abandonment proce~rre included on 10-403 ............ 22. IS adequate we!Ibore separation proposed ............................ Geology: WWB ~ v~O .%.._ ~1128/87 24. Is rtm dz~ng fluid program schismatic and list of equi~t adequate 25. Are necessary d~~ and descriptions of ~ ~.~ BOPE ar~ached. 26. Does BOPE bare sufficienn pressure ra~ng - Test to ~oDo psig .. 27. Does rim clmke ~*old comply w/API RP-53 (May 84) .................. 28. Is rl~ presence of ~2S gas probable ................................. For exploratory and Suratigraphic wells: 29. Are data presented on potential overpressure zones? ................. 30. Are s~ismic a~lysis data presented on shallow gas zones ............ ---- ...... 31. If an offshore Inc., are survey results of seabed conditions presented---~-~":- ' .... POOL CLASS SrkTOS ARFA NO. S~ORE ~ J, rWell 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. C.) Il_. t/) I.t J C) u") I k- ! ¢_3' I 1 I C) t.u C> ti~ u. ~ I C'] I C3 LL fY' t_.) I I I I 0 i I · L L ! /~"'! ILL ~/) f.r~, (X_l c-,.J C_) ~-- '.0 ('_} · · I ::.) x--' · I · I i 0 C,~ ttJ C} -_9 I 0.. I I I I 1 i Z --J 1 ~-- I '-0 I ,¥'it · i (Z.~I ',D! C] C~ (L) C} CD ~x) C) I I I I~,' I i-- 1--* t-- C) I CT* ~ 0 0 --J C) uJ I >- I _J Z C) E~ i..a £~< It! (.,,) I LJ ~.~ ~ CJ I ! I I I I I Z ,J I -J LLJ _J ~u 0 ~z) I (.~ t ! ! I I ! Z _t t -J uJ .J <t' ,c-- ~L) · · t ,~-.--..t Cji _J _J _J CB ~< i ~L Z (_9 I I I