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186-087
PLb-GGIL~G & LOC.~.TiON CLE~_~3_~CE R~,PORT State of Alaska .~~ oz.z ~ ~ c~s~v~=zo~ CC~SSZON .~eview the well file, and-c-,-m.'.-'~'C on plugging, well head sca"-us,znan~!oca=icn c!eara~cl - urovi~e loc. clear, code. Well hear =a= off: ~ -- · STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION CONJMISSION WELL COMPLETION OR RECOMPLETION REPORT AND LOG 1. Status of well Classification of Service Well OIL E~ GAS ~] SUSPENDED ~-] ABANDONED E~ SERVICE [] 2. Name of Operator 7. Permit Number BP Exploration (Alaska), Inc. 186-087 3. Address 8. APl Number P. O. Box 196612 Anchorage, AK 99519-6612 50-029-21590 4. Location of well at sur[ace "L=~__,,~~' 9. Unit or Lease Name 1372' FNL, 24' FEL, Sec. 33, T11N, R13E, UM (asp's 644792, 5948883)~~' I Prudhoe Bay Unit At Top Producing Interval 10. Well Number 2232' FNL, 4272' FEL, Sec. 28, T11 N, R13E, UM (asp's 640450, 5953221 ) Y-23 At Total Depth ? 11. Field and Pool 1964' FNL, 4396' FEL, Sec. 28, T11N, R13E, UM (asp's 640320, 5953486) Prudhoe Bay Field 5. Elevation in feet (indicate KB, DF, etc.) 16. Lease Designation and Serial No. RKB 88.81 feetI ADL 28287 Prudhoe Bay Oil Pool 12. Date Spudded 13. Date T.D. Reached 14. Date Comp., Susp. Or Aband. 115. Water Depth, if offshore 16. No. of Completions June 1, 1986 June 17, 1986 May 16, 2001 (P&A'd) I N/A feetMSL 1 17. Total Depth (MD + TVD) 18. Plug Back Depth (MD + TVD) 19. Directional Survey 120. Depth where SSSV set 21. Thickness of Permafrost 11650' MD/9209' TVD 11081' MD/8827'TVD YES [] No I--1I 2198' feetMD 1900' (approx) 22. Type Electric or Other Logs Run DIL/SFL, BHCS 23. CASING, LINER AND CEMENTING RECORD SE'FI-lNG DEPTH MD CASING SIZE WT. PER FT. GRADE TOP BO-I FOM HOLE SIZE CEMENTING RECORDI AMOUNT PULLED 20" Surface 110' 26" 8 yards Concrete 13-3/8" 72# L-80 Surface 2817' 17-1/2" 3902 cubic ft PF 9-5/8" 47# L-80 Surface 10330' 12-1/4" 572 cubic ft Class G 7" 26# L-80TC4S 10053' 11650' 8-1/2" 400 cubic ft Class 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) 4-1/2" 12.6# 13CR 10072' 9950' * Plugged & Abandoned all open perforation intervals. 26. ACID, FRACTURE, CEMENT SQUEEZE, ETC. DEPTH INTERVAL (MD) AMOUNT & KIND OF MATERIAL USED (See P&A Summary) 27. PRODUCTION TEST Date First Production Method of Operation (Flowing, gas lift, etc.) N/A Plugged & Abandoned Date of Test Hours Tested Production for OIL-BBL GAS-MCF WATER-BBL CHOKE SIZE IGAS-OIL RATIO I N/A Test Period -> Flow Tubing Casing Pressure Calculated OIL-BBL GAS-MCF WATER-BBL OIL GRAVITY - APl (corr) Press. 24-Hour Rate > 28. CORE DATA Bdef description of lithology, porosity, fractures, apparent dips and pressence of oil, gas or water. Submit core chips. * This 10-407 is submitted as directed per the 10-403 form approved February 2, 2001 (approval #301-022) R[CEIV D Form 10-407 AUG 1 ul duplicate Rev. 7-1-80 ORIGINAl CONTINUED ON REVERSE SIDE Alaska 0il & Gas Cons. Commission Anchorage 29. NAME Top of Sag River Sand Top of Shublik Top of Zone 4B (TSAD) Top of Zone 3 GEOLOGIC MARKERS MEAS. DEPTH 111O2' 11141' 11259' 11528' TRUE VERT. DEPTH 8843' 8869' 8952' 9132' 30. FORMATION TESTS Include interval tested, pressure data, all fluids recovered and gravity, GOR, and time of each phase. N/A 31. LIST OF ATTACHMENTS Summary of Y~23 Pre Coil Tubing Sidetrack Plug & Abandonment Operations. 32. I hereby certify that the following is true and correct to the best of my knowledge, //~ , Signed )~v//"~ ~ Title AD&W Coiled Tubinq Engineer Afistair She~ ' - Date Auqust 10, 2001 INSTRUCTIONS Prepared by Paul Rauf 564~5799. 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 $: 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 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 cementing and the location of the cementing tool. Item 27: Method of Operation: Flowing, Gas Lift, Rod Pump, Hydraulic Pump, Submersible, Water Injection, Gas Injection, Shut-in, Other-explain. Item 28: If no cores taken, indicate "none". Form 10-407 Y-23 DESCRIPTION OF WORK COMPLETED PRE COILED TUBING SIDETRACK PLUG & ABANDOMENT SUMMARY Date Event Summary 3/18/2001: 3/19/2001: 5/16/2001: 5/19/2001: RIH & tagged PBTD @ 11208' SLM. Ran PDS Caliper Log f/11200' to 9990'. Dummied GLV's. Dummied GLV's. Loaded IA w/Dead Crude. MITIA to 2525 psi - passed. A CTU Cement Plug was pumped to Plug & Abandon the lower wellbore prior to ST operations as follows: MIRU CTU PT'd BOPE. Killed well w/250 bbls of Filtered 1% KCL Water & 10 bbls of Crude. RIH w/CT & tagged PBTD @ 11255' CTD. Pumped 20 bbls of 17 ppg Class G Cement to form a KOP & to abandon the open perforation intervals listed below: 11112' - 11137' MD (Sag River Zone) 11259' - 11315' MD (Zone 4B) Placed 7.5 bbls of cement behind pipe with a final squeeze press of 1500 psi WHP. Contaminated cement w/Biozan & jetted contaminated Cement f/the wellbore to 11000'. POOH w/CT. FP'd well to 2500' w/60/40 Methanol Water. Trapped 500 psi on wellhead. RD CTU. WOC. RIH & tagged TOC @ 11081'. PT'd cement plug to 2000 psi for 30 min - good test. Continued w/Y-23A CT Sidetracking Operations w/Nabors CDR. bp January 24, 2001 To: Attention: Subject: Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 Tom Maunder Petroleum Engineer Well Y-23 CTD Sidetrack Prep BP Exploration Alaska Inc. Drilling & Wells Coiled Tubing Drilling Team Well Y-23 is scheduled for a through tubing sidetrack to be drilled with coiled tubing. The following summarizes the procedure required to prep Y-23 for drilling and is submitted as an attachment to Form 10-403. A schematic diagram of this proposed completion is attached. ]. Tree wing & master valves successfully tested on 12/29/00. 2. Integrity of wellhead tubing and inner annulus seals successfully tested on 11/23/00. 3. Gas lift mandrels to be dummied & inner annulus liquid filled prior to integrity testing annulus. 4. Tubing to be drifted, and a mechanical caliper run to assess 7" liner integrity at the proposed whipstock setting depth. 5. Whipstock to be run, oriented & set at approx 11270' 6. Existing perfs below whipstock to be P&A'd with approx 6 bbls of cement. ?. Service coil will mill the window into the zone 4 reservoir. The coil tubing operations are expected to commence Feb 15th. Drilling coil is expected to begin the sidetrack drilling on Feb 23rd, 2001. ]. A sidetrack, 3.3/~'' x -2700' will be drilled with CT into zone 4 reservoir. 2. The sidetrack will be completed with a 3.3/16" - 2.3/8" cemented liner, hung from 10,059' in the 4.Y2" tubing. 3. 32 bbls of cement will be required to set the liner from TD to 300' above the window. Alistair Sherwood CT Drilling Engineer Tel' 564-4378 Fax: 564-551 0 Cell: 440-8301 sherwooa@bp.com Well File Petrotechnical Data Center Terrie Hubble STATE OF ALASKA ALAS~ .L AND GAS CONSERVATION COMI. APPLICATION FOR SUNDRY APPROVAL SION 1. Type of Request: [] Abandon [] Suspend [] Plugging [] Time Extension [] Perforate [] Alter Casing [] Repair Well [] Pull Tubing [] Variance [] Other [] Change Approved Program [] Operation Shutdown [] Re-Enter Suspended Well [] Stimulate Plug Back for Sidetrack 2. Name of Operator BP Exploration (Alaska)Inc. 3. Address P.O. Box 196612, Anchorage, Alaska 99519-6612 4. Location of well at surface ./' ~//' ',,/ 3~Z 1372' SNL, 24' WEL, SEC. 3 , 11N, R13E, UM At top of productive interval 3047' NSL, 4272' WEL, SEC. 28, T11N, R13E, UM At effective depth 3107' NSL, 4300' WEL, SEC. 28, T11N, R13E, UM At total depth 3315' NSL, 4396' WEL, SEC. 28, T11N, R13E, UM 5. Type of well: [] Development [] Exploratory [] Stratigraphic [] Service 6. Datum Elevation (DF or KB) KIBE = 88.81' 7. Unit or Properly Name Prudhoe Bay Unit 8. Well Number Y-23 !9. Permit Number 186-087 10. APl Number v/ 50- 029-21590-00 11. Field and Pool Prudhoe Bay Field / Prudhoe Bay Pool 12. Present well condition summary Total depth: measured 11650 feet Plugs (measured) true vertical 9209 feet ',./ Effective depth: measured 11350 feet Junk(measured) true vertical 9015 feet .... Casing Length Size Cemented MD TVD Structural Conductor 110' 20" x 30" 8 cu yds Concrete 110' 110' Su trace 2780' 13-3/8" 3902 cu ft Permafrost 2817' 2701' Intermediate Production 10293' 9-5/8" 572 cu ft Class 'G' 10330' 8310' Liner 1597' 7" 400 cu ft Class 'G' 10053' - 11650' 8117' - 9209' Perforation depth: measured Open: 11112' - 11137', 11259' - 11315' ... Squeezed: 11103'- 11112', 11137'- 11141' 11315'- 11384', 11396'-1142~' ,..~ .;.,~ , ~..{--'.. true vertical Open: 8849' - 8867', 8953' - 8991' -~; :__:.,. (..- Squeezed: 8843' - 8849', 8867' - 8870', 8991' - 9038', 9046' - 9062' ~ ~:.¢;.. Tubing (size, grade, and measured depth) 4-1/2", 12.6#, 13Cr to 10072' ¢' '--" ~ d ! Packers and SSSV (type and measured depth) 9-5/8" Otis 'MHR' packer at 9950'; Otis SSSV Landing Nipple at 2198 '-~, '~ d~, · ~:~ '. -~ '~':' [] Description Summary of Proposal [] Detailed Operations Program [] BOP Sketch 13. Attachments 4. Estimated date for commencing operation February 15, 2001 16. If proposal was verbally approved 15. Status of well classifications as: []Oil [] Gas []Suspended Service Name of approver Date Approved Contact Engineer Name/Number: Alistair Sherwood, 564-4378 Prepared By Name/Number.· Terrie Hubble, 564-4628 17. I hereby certify that the foregoir}O is true and correqt to the best of my knowledge Signed Alistair Sherwood .~.. ~i. ~r-~ i ~. 7¢ ~,~_;,~_.C6_/ Title CT Drilling Engineer CommiSsion Use' Only Date Conditions of Approval: Notify Commission so representative may witness Plug integrity __ BOP Test ·')( Location clearance Mechanical Integrity Test__ Subsequent form required 10- .;._)!~(~iNAL ~5i':::-r'~: . Approved b}, order of the Commission FI Taylor Seen,,_,u~ ~ Form 10-403 Rev. 06/15/88 I Approval No. ~:~/~ Commissioner Date ~2~- ¢~ -0/ Submit In Triplicate TRE~ 4" CIW WFI LHF___AD= IVtCEVOY AC'TUATOR= AXI::i SON KB. ELEV = 88.81 BF. ELEV = 37.6 KOP = 1300' "~'X"~'~'g-~''~' "5i-'@ i i'6~o' Datum MD = DatumTVD= 113.3/8CSG'72#'L80''1480bPf'ID=12'347 Id 2817' IMinimum ID = 3.725" @ 10059' 4-1/2" PARKER SWN NIPPLE Y-23 SAFETY NOTES 2198' I--{4-1/2" OTIS SSSV LANDING NIP, ID=-3.813 I GAS LIFT MANDRELS ~AI MO I~o I D~ ~~N ~ I 32031 29041 43j CAMCO 5 J 5782J 4832J 42J CAMCO ~ 4 I 75981 61521 43! CAMCO 3 I 8z621 7°2~1 39c~uco 2 I 9"561 ~SZ~l 3~CA~O 1 I 9915J 7929J 43CAMCO 9942' J--~4-1/2" PARKERSWS NIP, ID=3.813 ] 9950' 10010' J~9-5/8" x 4-1/2" OTiS MHR PKR, ID=3.85 J J-]4-1/2" PARKER SWS NIP, ID=-3.813 J JTOPOF 7" LINER Jd '10053' 10059' J--~4-1/2" PARKERSWN NIP, ID=-3.725 J J4-1/2"'rBG, 12.6~, 13Cr, .0152 bpf, ID=3.958 Jd 10072' 10072' J~4-1/2 PKRWLEG, ID=3.958 J J9-5/8" CSG, 47#, L80, .0732 bpf, 113=8.681 Jd 10330' PERFORATION SUMMARY REF LOG: SWS-BHCS, 6/17/86 ANGLE AT TOP PERF: I I Note: Refer to Production DB for historical perf data SIZE SPF INTERVAL Opn/Sqz DATE 2-1/8 4 11103-11141 S 12/5/91 3-3~8 6 11112-11137 O 2/25/92 3-3~8 6 11259-11290 O 1/10/92 3-3~8 6 11290-11315 O 2/12/92 2-1/8 4 11315-11384 S 12/5/91 2 4 11396-11420 S 12/5/91 I~1--I 11350'J J7" LNF~ 26#, L80, .0382 bpf, ID=6.276 Jd 11650' J I 10072' Id ~_MDI DATE REV BY COMMENTS PRUDHOE BAY UNIT 06/24~86 ORIGINAL COMPLETION WELL: Y-23 12/27/91 RKH POST RWO COMPLETION PERMIT No: 186-0870 01/05/01 SIS-SLT CONVERTED TO CANVAS APl No: 50-029-21590 Sec. 33, TN 11 N, RGE 13E BP Exploration (Alas ka) TREE: 4" CIW WELLHEAD: McEVOY ACTUATOR: AXELSON '.238 Proposed Completion KB. ELEV = 88.81' BF. ELEV -- 37.60' 4 1/2" SSSV LANDING NIPPLE( OTIS)( 3.813" ID) I 2198'1 CMT'd 13 3/8", 72 #/ft,II 2817'11 ~ L-80, BTRS KO P: 1300' MAX ANGLE: 51° @ 11,600' 4 1/2" 12.6# 13 CHROME TDS TUBING ID: 3.958" CAPACITY: 0.0152 BBL/FT GAS LIFT MANDRELS ( CAMCO w/RK LATCH) N° MD(BKB) TVDss DEV 6 3203' :~904' 4:3° 5 5782' 4832' 4~_~° 4 7598' 6152' 4: 3° 3 8762' 7023' 3;)° 2 9456' 7573' 3 ,o I 9915' 7929' 43° 13 CHROME TUBING DO NOT ACIDIZE!!!!! 4 1/2" SWS- NIPPLE I I (PARKER) (3.813" ID) 9 5/8" OTIS PACKER (MHR) ( 3.850 "ID) 9942'I 9950'1 Ilo,o o'! I1o,osg'J 110,072'1 TOP OF I o,os3'l LINER 95/8". 47#/,. [ 10,330'I L-80, BTRS Whipstock to be set at approx. 11270'. Cement past whipstock to sqz. all existing perfs PERFORATION SUMMARY REF. LOG: SWS- BHCS 6-17-86 TIE-IN LOG: SWS - CBL 6-22-86 i33/8,,I 6 I i33/8,,I 6 I ]33/8[ 6 [ 21/8"l "1 2"I 4I INTERVAL OPEN/SQZ'D 11,103-11,141' 11,112-11,137' 11,259-11,290' 11,290-11,315' 11,315-11,384' 11,396-11,420' SQZD/12-5-91 OPEN/2-25-92 OPEN/I-10-92 OPEN/2-12-92 SQZD/12-5-91 SQZD/12-5-91 PBTD [ 11,350'1 4 1/2 .... SWS" NIPPLE (PARKER) (3.813" ID) 4 1/2 .... SWN" NIPPLE (PARKER) (3.725" ID) 4 1/2" WLEG (PARKER) (3.958" ID) (ELMD) [ 10,072' J 3 3/16" x 2 7/8" fully cemented liner to provide future Tiny Tool sdtrk, access. 7", 26 #/ft, L-80, TC4S' I 11,650'1 MICROFILMED 9/11~CO DO NOT PLACE ANy NEW MATE -UND =L -,.,.._ RIAL R , ,~~ PAGE ALASKA OIL AND GAS CONSERVATION COMMISSION WALTER J. HICKEL, GOVERNOR 3001 PORCUPINE DRIVE ANCHORAGE, ALASKA 99501-3192 PHONE: (907) 279-1433 TELECOPY: (907) 276-7542 September 21, 1994 Jerry Bixby/Steve Farris Wireline/Completion Supervisors BP Exploration (Alaska), Inc P O Box 196612 Anchorage, AK 99519-6612 Re: No-Flow Verification Seven BPX PBU Wells Dear Mr. Bixby/Farris: Our inspectors have witnessed no-flow tests on and recommended no-flow status for seven BPX PBU wells. The wells were open to an atmospheric tank to determine fluid production and monitored through a gas meter to determine gas production rates. The inspectors recommended "no-flow" status for the wells listed below. Well No. PTD No. Test Date .~nspector Fld Rate 'Gas Rate B-17 79-28 8/26/94 D Amos dead 180 scf/h Y-28 91-065 9/07/94 J Spaulding dead 10 scf/h Y-19 88-096 9/09/94 J Spaulding dead 330 scf/h Y-23 86-087 9/09/94 J Spaulding dead 0 scf/h Y-25 88-131 9/09/94 J Spaulding dead 120 scf/h R-4 79-038 9/18/94 L Grimaldi dead 288 scf/h R-13 38-044 9/19/94 L Grimaldi dead 60 scf/h The Commission hereby authorizes removal of the subsurface safety valves from the B?X ?BU wells listed above on the condition that the low- pressure sensor and surface safety valve must be maintained in good condition and, if for any reason, the well again becomes capable of unassisted flow of hydrocarbons, the subsurface safety valve must be reinstalled and maintained in good working condition. Sincerely, Blair E. Won~ell PI Supervisor c: John Spaulding bew/nlpb7bpw MEMORANDUM State of Alaska Alaska Oil and Gas Conservation Commission TO: THRU: FROM: David John ~n, Chairma~'~~ DATE: September 9, 1994 Blair Wondzell ~ FILE NO: , P. I. Supervisor John Spaulding~,i t,,q~ SUBJECT: Petroleum insp. 1H9LIIBD.doc No-Flow Tests BPX PBU Y-23,25,19 Prudhoe Oil Pool Friday, September 9, 1994: I traveled to BPX PBU wells Y-19,23,25 to witness No-Flow test. The wells were bled to an atmospheric tank thru a 2" line prior to my arrival. The tubing was then connected to the American AL-425 gas meter with 1/2" hose. The wells were then monitored every 1/2 hr. for a 1 1/2 hour period. Well Y-19 showed an increase from 45 scf/hr, to 330 scf/hr, over the 1 1/2 hr. period and about 10 psi. Well Y-23 showed 0 scf/hr, and 0 psig. Well Y-25 did not exceed 120 scf/hr and showed a slight amount of press, to the touch. Therefore I recommend No-Flow status be granted to wells Y-19,23,25 with well Y-19 to be re-tested and witnessed in 90 days. Summary: I witnessed the No-Flow tests on BPX PBU wells &-19,23,25, no failures. Attachment: none ALASKA OIL & GAS CONSERVATION COMMISSION Attn. LARRY GRANT 3001 PORCUPINE DR. ANCHORAGE AK, 99501. USA Date: 21 January 1994 RE: Transmittal of Data ECC #: 5621.03 Data: PL Dear Sir/Madam, Reference: BP Y-23 NORTH SLOPE, AK Enclosed, please find the data as described below: Prints/Films: 1 1 Sent by U.S. MAIL PLS STATIC FINAL BL PLSLSTATIC~FINAL RF Run Run # 1 Received by: Please sign and return to: Atlas Wireline Services Petrophysical Services 5600 B Street Suite 201 Anchorage, AK 99518 Attn. Rodney D. Paulson Date: RECEIVED A/aska Oil & (]as Cons. Cor~rnJss[on Anchorage STATE OF ALASKA Al_.- ,A OIL AND GAS CONSERVATION COMMIS~ 'J ,.~,// -~ REPORT OF SUNDRY WELL OPERATIONS 1. Operations performed: Operation shutdown Stimulate Plugging Perforate X '/~'~'/¢ Pull tubing Alter casing Repair well Other X 5. Type of Well: 6. Datum elevation (DF or KB) KBE= 88.81 AMSL fe~'f I 2. Name of Operator BP Exploration (Alaska) Inc. 3. Address P. O. Box 196612, Anchorage, Alaska 99519-6612 4. Location of well at surface 1372'SNL, 24' WEL, SEC. 33, T11N, R13E, UPM At top of productive interval 2231'SNL, 997' EWL, SEC. 28, T11N, R13E, UPM At effective depth 2007' SNL, 893' EWL, SEC. 28, T11N, R13E, UPM At total depth 1964'SNL, 873'EWL, SEC. 28, T11N, R13E, UPM Development Exploratory Stratigraphic Service 7. Unit or Property name Prudhoe Bay Unit 8. Well number Y-23 (12-28-11-13) PBU 9. Permit number/approval number 86-87 / 10. APl number 50- 029-21590 11. Field/Pool Prudhoe 0il Pool 12. Present well condition summary Total depth: measured 11650 feet true vertical BKB 9207 feet Effective depth: measured 11589 feet true vertical BKB 9169 feet Casing Length Size Structural -- Conductor 110 20 x 30 Surface 2780 13 3/8 Intermediate 10293 9 5/8 Production -- Liner 1597 7 Perforation depth: measured 11103' - 11141' (Sag R) Tubing (size, grade, and measured depth) Plugs (measured) Junk (measured) fill at 11589' MD (03/89) Cemented Measured depth 8 c.y. 147 3902 c.f. 2817 500 c.f. 10330 400 c.f. 10053-11650 11259'- 11384', 11396' - 11420' (Ivishak) true vertical subsea 8752;8779' (Sag R) 8863'-8973' (two Ivishak intervals) 3 1/2" L-80 to 9972' with 2 7/8" tailpipe to 10084' True vertical depth BKB 147 2701 8309 8116-9207 Packers and SSSV (type and measured depth) 9 5/8" TlW packer at 9972'; 3 1/2" SSSV at 2096' 13. Stimulation or cement squeeze summary see attachment Intervals treated (measured) Treatment description including volumes used and final pressure OCT - 7 t995 Alaska OiJ & Gas Cons. bunm'lissior' Anchoraoe 14. Prior to well operation Subsequent to operation Representative Daily Average Production or Injection Data Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure 2320 3406 1965 3010 Tubing Pressure 301 15. Attachments Copies of Logs and Surveys run Daily Report of Well Operations 16. Status of well classification as: Oil X Gas Suspended Sewice 17. I hereby c rtify that the foregoi g is true and correct to the best of my knowledge. Signed c,.~ ~,(¢¢~.)~ ~,,/_ ~\/~ Title Senior TechnicalAssistant, Form 10-404 Rev 06/15/88 / Date SUBMIT IN DU'PUCATE WELL Y-23(12-28-11-13) Addverf/Frac/Re~erf -- -- 1/10/92 The following interval were added perforation using 3 3/8" guns, 6 SPF, 0° orientation and 60° phasing. 11259' - 11290' MD 1/26/92 Performed a Hydraulic Fracture(Ivishak) Treatment using the following fluids: 55 10 138 36 16 19 21 21 8O 0 BBLS Diesel to set tree saver BBLS 50# GEL Prepad to establish rate BBLS 50# X-link Gel Pad w/9% esl (520 gal) DIRTY 1 PPG 13 DIRTY DIRTY 3 PPG 18 DIRTY DIRTY 5PPG 20 DIRTY DIRTY 7PPG 21 DIRTY DIRTY 9PPG 22 DIRTY DIRTY 11PPG DIRTY 20# LINEAR GEL FLUSH 2PPG 4PPG 6PPG 8PPG 10PPG 02/12/92 The following interval were reperforated using 3 3/8" guns, 6 SPF, random orientation and 60° phasing. 11290' - 11315' MD 02/22/92 Performed a Hydraulic Fracture Treatment using the following fluids: 2O 168 739 193 100 BBLS 50# GEL PREPAD TO ESTABLISH RATE BBLS PAD with 252 gallons (3.6%) ESL BBLS SLURRY (1 TO 8 PPG) BBLS 20# GEL DATA FRAC FLUSH BBLS DIESEL TO FLUSH AND PT LINES AND FREEZE PROTECT 02/25/92 The following interval were reperforated using 3 3/8" guns, 6 SPF, random orientation and 60° phasing. 11132'-11137'MD 11112'-11132'MD 3/01/92 fjh 7/01/93 Performed a Hydraulic Fracture(Sag) Treatment using the following fluids: 30 BBLS 50# GEL Prepad to establish rate 343 BBLS 50# X-link Gel Pad w/1% esl 102 BBLS 50# X-link Gel w/1PPG 20 BBLS 50# X-link Gel w/2PPG 24 BBLS 50# X-link Gel w/3PPG 32 BBLS 50# X-link Gel w/4PPG 32 BBLS 50# X-link Gel w/5PPG 37 BBLS S0# X-link Gel w/6PPG 36 BBLS 50# X-link Gel w/7PPG 262 BBLS 50# X-link Gel w/8PPG 20/40 CL 153 BBLS 50# X-link Gel w/8PPG 16/20 CL 180 BBLS 170 BBLS RECEIVE[ OCT- 7 1995 Alaska 0il & Gas Cons. b0n~mis Anchorage 20# GEL FLUSH DIESEL TO PT, PURGE, & FREEZE PROTECT HARDLINE BP EXPLORATION BP Exploration (Alaska) Inc. 900 East Benson Boulevard P.O. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 DATE: 09/07/93 T# 84978 BPX/PBU ~LOGS Enclosed is your copy of the materials listed below. If. you have any questions, please contact BP Well Records at (907) 564-4004. ~F-14 PRODUCTION LOG ~ 08/29/93 F-2 ~9-5~CL [ ~U~K ~ 08/31/93 /J-08'~-q~ CNL/G~ 09/01/93 / J-26~-~ CNL{~ 09/01/93 ~ M-23%~-55 ~ERF)~G;~W-lCL~ 09/01/93 JY-17 ~%q~UBING CUTTER~U08/29/93 ~Y-23~~ PRODUCTION LOG~ 08/30/93 /Y-30 9[~5 PRODUCTION LO~ 08/30/93 ~ Z-15~,~ PRODUCTION LOG 08/28/93 9800.00-10252.00 ATLAS 5 " 9580.00-11545.00 ATLAS 5 " 11550.00-12454.00 ATLAS 5 " 9820.00-10566.00 ATLAS 5 " 9430.00- 9905.00 ATLAS 5 " 8850.00- 9050.00 ATLAS 5 " 10950.00-11300.00 ATLAS 5 " 8900.00- 9244.00 ATLAS 5 " 10900.00-11722.00 ATLAS 5 " Information Control Well Records STATE OF ALASKA .. ,, AL~,,~KA OIL AND GAS CONSERVATION COMMIb,.,.'-~N REPORT OF SUNDRY WELL OPERATIONS ';. 1. Operations performed: Operation shutdown Pull tubing Stimulate X Plugging Perforate Alter casing Repair well Other 2. Name of Operator BP Exploration (Alaska) Inc. 3. Address P. O. Box 196612, Anchorage, Alaska 99519-6612 4. Location of well at surface 1372' SNL, 24' WEL, SEC. 33, T11N, R13E, UPM At top of productive interval 2231'SNL, 997'EWL, SEC. 28, T11N, R13E, UPM At effective depth 2007'SNL, 893'EWL, SEC. 28, T11N, R13E, UPM At total depth 1964' SNL, 873' EWL, SEC. 28, T11N, R13E, UPM 5. Type of Well: Development X Exploratory Stratigraphic Service 6. Datum elevation (DF or KB) KBE = 88.81 AMSL feet 7. Unit or Property name Prudhoe Bay Unit 8. Well number Y-23 (12-28-11-13) PBU 9. Permit number/approval number 86-87/ 10. APl number 50- 029-21590 11. Field/Pool Prudhoe Oil Pool 12. Present well condition summary Total depth: measured true vertical 11650feet BKB 9207feet Effective depth: measured 11589feet true vertical BKB 9169feet Plugs (measured) Junk (measured) fill at 11589' MD (03/89) Casing Length Size Cemented Measured depth Structural -- Conductor 110 20 x 30 8 c.y. 147 Surface 2780 13 3/8 3902 c.f. 2817 Intermediate 10293 9 5/8 500 c.f. 10330 Production -- Liner 1597 7 400 c.f. 10053-11650 Perforation depth: measured 11103'- 11141' (Sag R) 11259'- 11384', 11396'- 11420' (/vishak) true vertical subsea 8752'-8779' (Sag R) 8863'-8973' (two Ivishak intervals) Tubing (size, grade, and measured depth) 3 1/2" L-80 to 9972' with 2 7/8" taiipipe to 10084' Packers and SSSV (type and measured depth) 9 5/8" TIWpacker at 9972'; 3 1/2" SSSV at 2096' 13. Stimulation or cement squeeze summary see attachment Intervals treated (measured) Treatment description including volumes used and final pressure True vertical depth BKB 147 2701 8309 8116-9207 14. Representative Daily Average Production or In!ection Data OiI-Bbl Gas-Mcr Water-Bbl Casing Pressure Tubing Pressure Prior to well operation 190 120 150 946 233 Subsequent to operation 15. Attachments Copies of Logs and Surveys run Daily Report of Well Operations 16. Status of well classification as: Oil X Gas Suspended Service 17. I hereby certify that the foreigb~g is true and correct to the best of my knowledge. Signed '~ ,.'I-,'~ ~/4,';~ ~;L, qJ~,,2 Title Senior Technical Assistant I Form 10-404 Rev 06/15/88 Date SUBMIT IN DUISLI(2ATE WELL Y-23(12-28-11-13)PBU HCL/NRWO OPERATIONS 8/08/91 A HCL Treatment was performed using the following fluids: 25 bbls 15% HCL with 10% Xylene and other additives per porgram 63 bbls Filtered SeaWater 12/05/91 A NRWO Cement Squeeze(Pre RWO) was performe using the following fluids: 184 bbls PW to Load Well 5 bbls EW(Preflush) 27 bbls Cement 10 bbls EW(Spacer) 115 bbls PW(Displacement) 165 bbls PW(Reverse Out) 34 bbls MEOH(Freeze Protection CT) 20 bbls MEOH(Freeze Protection Well) Well Cleaned Out(Plugged Back) to 10750' 100 bbls Load Fluid Behind Pipe Today CEMENT: 15.5 PPG CLASS G CEMENT CONTAINING, .2% CFR-3, .12% HR-12, .15 GAL/SK HALAD-344L fjh 3/01/93 BP EXPLORATION BP Exploration (Alaska) Inc. 900 East Benson Boulevard P.O. Box 196612 Anchorage, Alaska 99519-6612 (907) 561.5111 DATE: 05/11/92 T# 83499 BP CASED HOLE FINALS Enclosed is your copy of the materials listed below. If you have any questions, please contact BP Well Records at (907) 564-4004. R- 07~0-/~iNJ s-0 6 S2-/~S INJ S-l~ o0,/--2,/' SCL yY-23 -23 ~g'~? PROD-F GAS LIFT SURVEY 04/05/92 Y-28 ~/-~ LEAK DET 04/26/92 X-17~;./~ PUMPIN.TEMP 5 " 04/14/92 #1 04/23/92 #1 04/12/92 #1 04/15/92 #1 04/24/92 #1 04/05/92 #2 9600.00- 9950.00 CAMCO 5 " 10050.00-10678.00 CAMCO 5 " 10180.00-11085.00 CAMCO 5 " 0.00-14410.00 CAMCO 2/5" 11300.00-11660.00 CAMCO 5 " 10900.00-11170.00 CAMCO 5 " 17.00-10090.00 CAMCO 2 " 2900.00- 8950.00 CAMCO 2/5" 04/19/92 #1 9400.00- 9807.00 CAMCO Information Control Well Records Adrian J. Martin CEIVED MAY 1 8 1992 Alaska 011 & Gas Cons. Commission Anchorage STATE OF ALASKA ''~ ALAo,,A OIL AND GAS CONSERVATION COMMISS,,..,,I ~i.,_; i'~ i~,} i ~' .i~;" ]~,'.,i~ ~4 ~(~ REPORT OF SUNDRY WELL OPERATIONS 1. Operations performed: Operation shutdown __ Stimulate__ Plugging Pull tubing X Alter casing Repair well Perforate Other 2. Name of Operator BP Exploration 3. Address P. O. Box 196612, Anchorage, Alaska 99519-6612 4. Location of well at surface 1372' SNL, 24' WEL, SEC. 33, T11N, R13E, UPM At top of productive interval 2231' SNL, 997' EWL, SEC. 28, T11N, R13E, UPM At effective depth 2176' SNL, 971' EWL, SEC. 28, T11N, R13E, UPM At total depth 1964'SNL, 873' EWL, SEC. 28, T11N, R13E, UPM 5. Type of Well: Development X Exploratory Stratigraphic __ Service 6. Datum elevation (DF or KB) KBE = 88.81 AMSL feet 7. Unit or Property name Prudhoe Bay Unit 8. Well number Y-23 (12-28-11-13) 9. Permit number/approval number 86-87/Conservation order 258 10. APl number 50- 029-21590 11. Field/Pool Prudhoe Bay Field/Oil Pool 12. Present well condition summary Total depth: measured true vertical Effective depth: measured true vertical Casing Length Structural Conductor Surface Intermediate Production Liner Perforation depth: measured true vertical Tubing (size, grade, and measured depth) 11650 feet BKB 9207 feet 11341 feet BKB 9008 feet Plugs (measured) Junk (measured) Size Cemented Measured depth True vertical depth 4-1/2", 12.6,¢, 13CR TDS tubing to 10072'MD RECEIVED MAY 1 2 1992 Alaska 0il & Gas Cons. (.;ommissio~ Anchorage Packers and SSSV (type and measured depth) 9-5/8" Otis 'MHR' Packer @ 9950'MD, 4-1/2" Otis 9CR BVN @ 2198'MD 13. Stimulation or cement squeeze summary Intervals treated (measured) Treatment description including volumes used and final pressure 14. Prior to well operation Subsequent to operation Representative Daily Average Production or In!ection Data OiI-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure 15. Attachments Copies of Logs and Surveys run Daily Report of Well Operations x 16. Status of well classification as: Oil x Gas Suspended Service 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. Si~tned fo'~'-,~~ /~'~-""-'~ Title WorkoverEn~TineerSupervisor Form 10-404 Rev 06/15/88 Date SUBMIT IN DI~P~ICATE ACTIVITY SUMMARY for WELL ~ROJECT 145102 COMPANY: BP/AAI SHARED SERVICE, NORTH SLOPE, AK FIELD : PRUDHOE BAY WELL : Y-23 Page: 1 DRLG RIG : NABORS 2ES WO/COMP RIG: NABORS 2ES (COMP) KILL: 1.0 OTHER: 16.0 12/20/91 ( 1) TAKING ON SEAWATER. 9-5/8"@12212' MW: 8.5 Seawater TD:l1650 MOVE RIG FROM DS 2-23 TO Y-23. ACCEPTED RIG AT 0330 HRS. PB:l1606 12/20/91. TAKE ON 8.5 SEAWATER. SUPV:FH (145102) DAILY: $ 17,107 CUM: $ 17,107 EFC: $ 1,108,000 (COMP) KILL: 10.5 NU ND: 10.5 PL TBG: 3.0 12/21/91 ( 2) P~LL 3-1/2" TBS. 9-5/8"@12212' MW: 8.5 Seawater TD:11650 CIRC. CIRC THRU CHOKE UNTIL 8.5 PPG SEAWATER AROUND. PB:l1606 MONITOR WELL. R/D HOSE. N/D TREE. N/U BOPE. TEST BOPE. SUPV:FH PULL 3-1/2" TBG. PULL HGR TO FLOOR. L/D SAME. PULL & L/D TBG. (145102) DAILY: $ 40,905 CUM: $ 58,012 EFC: $ 1,108,000 (COMP) NU ND: 6.0 PL PBR: 12.0 PL_TBG: 6.0 12/22/91 ~ 3) PO~H W/ BHA. 9-5/8"@12212' MW: 8.5 Seawater TD:l1650 POOH W/ 3-1/2" TBG. TEST BOPE. RIH W/ BHA #1. TAG FISH @ PB:l1606 9906' ATTEMPT TO PULL SBR. JAR. NO GO. ATTEMPT TO SUPV:FH RELEASE TBG ANCHOR. RELEASE. REV CIRC. POOH. (145102) DAILY: $ 25,272 CUM: $ 83,284 EFC: $ 1,108,000 12/23/91 TD:l1650 PB:l1606 SUPV:FH (COMP) PL PBR: 14.0 PL PKR: 10.0 ~ 4) BURi~ING OVER PKR. 9-5/8"@12212' MW: 8.5 Seawater POOH W/ BHA #1. RIH W/ BHA #2. ENGAGE FISH @ 9908' ATTEMPT TO ROTATE TBG ANCHOR FREE. NO GO. JAR. PULL FREE. POOH. RECOVER TBG, SEAL ASS'Y. RIH W/ BHA #3. TAG FISH @ 9930' REAM OVER SLICK STICK TO 9952' TAG PKR. MILL ON PKR. (145102) DAILY: $ 43,495 CUM: $ 126,779 EFC: $ 1,108,000 (COMP) CLN OUT: 7.5 PL PKR: 16.5 12/24/91 (-- 5) DRLG--CMT. 9-5/8"@12212' MW: 8.5 Seawater TD:l1650 BURN OVER PKR @ 9952' MILL 4' CBU. POOH. L/D PKR. PB:l1606 RIH W/ BHA #4. TAG JUNK @ 1074~'. DRLG JUNK F/. SUPV:FH 10746'-10751' DRLG CMT F/ 10751'-10839' REV C~RC. (145102) DAILY: $ 49,310 CUM: $ 17~,089 EFC: $ 1,108,000 12/25/91 ( 6) TD:l1650 PB:l1606 SUPV:GTG (COMP) CLN OUT: 15.0 LOG PERF: 4.0 NU ND: 4.0 TEST CSG: 1.0 CHANG~ PACKOFF. -- 9-5/8"@12~12' MW: 8.5 Seawater DRLG CMT F/ 10839'-11050'. REV CIRC. TEST CSG, LNR LAP. DRLG CMT F/ 11050'- 11213' REV CIRC. R/U ATLAS. RIH W/ GR/CCL. TIE IN W/ SWS LOG. TEST SQZD PERF @ 11103'-11141' DRLG F/ 11213'-11341' REV CIRC. RIH W/ BAKER STORM PKR. SET PKR. N/D BOPE. CHANGE PACKOFF. (145102) DAILY: $ 45,937 CUM: $ 222,026 EFC: $ 1,108,000 (COMP) CLN OUT: 12.5 NU ND: 5.5 RUN COMP: 6.0 12/26/91 (-- 7) RIH ~/ 4-1/2" COMP~ 9-5/8"@12212' MW: 8.5 Seawater TD:l1650 N/U NEW TBG SPOOL & PACKOFF. N/U BOPE. TEST BOPE. RIH. PB:l1350 TAG FILL. REV CIRC. DISP W/ SEAWATER. POOH. R/U OTIS, SUPV:GTG AK CSG CREW. RIH W/ OTIS PKR ON 4-1/2" TDS TBG. (145102) DAILY: $ 33,387 CUM: $ 255,413 EFC: $ 1,108,000 ACTIVITY SUMMARY for WELL ~ROJECT 145102 COMPANY: BP/AAI SHARED SERVICE, NORTH SLOPE, AK FIELD : PRUDHOE BAY WELL : Y-23 Page: 2 DRLG RIG : NABORS 2ES WO/COMP RIG: NABORS 2ES 12/27/91 TD:11650 PB:11350 SUPV:GTG (COMP) NU ND: 8.5 RUN COMP: 15.5 -- __ ( 8) RIG RELEASED @ 06:00 HRS. 9-5/8"@12212' MW: 8.5 Seawater RIH W/ 4-1/2" 13CR TDS TBG. M/U OTIS SSSV. TEST CNTRL LINES. RIH W/ TBG. M/U HGR. LAND TBG. N/D BOPE. N/U TREE. TEST TREE. PUMP 155 BBLS DIESEL DN ANNULUS. DROP BALL. TEST TBG, ANNULUS. SET BPV. RIG RELEASED @ 06:00 H RS, 12/27/91. (145102) DAILY: $ 402,291 CUM: $ 657,704 EFC: $ 1,108,000 RECEIVED MAY 1 2 1992 Alaska Oil & Gas Cons. Anchorage BP EXPLORATION BP Exploration (Alaska) Inc. 900 East Benson Boulevard P.O. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 DATE: 03/03/92 T# 83296 BP CASED HOLE FINALS Enclosed is your copy of the materials listed below. If you have any questions, please contact BP Well Records at (907) 564-4004. Y-23 CH 02/25/92 REF# ULTRg{PAC SCH Information Control Well Records Adrian J. Martin RECEIVED MAR 1 6 199;~ Alaska Oil & Gas Cons, Commission Anchorage 3 BP EXPLORATION BP Exploration (Alaska) Inc. 900 East Benson Boulevard P.O. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 DATE: 02/11/92 T9 83245 BP CASED HOLE FINALS Enclosed is your copy of the materials listed below. If you have any questions, please contact BP Well Records at (907) 564-4004. N-21 ~'~,CCL/PERF 02/05/92 ~1 10670.00-11278-00 ATLAS F-41STq/'/"¥PFC 02/07/92 ~1 11200.00-11698-00 ATLAS S-17A~/'II~ PRODUCTION LOG 02/05/92 ~1 02/04/92 ~1 y-23 TEMP y-23 f~'~? Sp~ER O2/O4/92 ~1 9550.00- 9821.00 SCH 2010.00-10950-00 SCH 10990.00-11350-00 SCH 5 " 2 " 5 " information Control Well Records Adrian J- Martin RECEIVED FEB 2 5 1992 Alaska Oil & Gas Cons. Commission Anchorage BP EXPLORATION BP Exploration (Alaska) Inc. 900 East Benson Boulevard RO. Box 196612 Anchorage, Alaska 99519-6612 (9O7) 561-5111 DATE: 02/19/92 T~ 83261 BP CASED HOLE FINALS Enclosed is your copy of the materials listed below. If you have any questions, please contact BP Well Records at (907) 564-4004. /Y-28 ~ PDK-100' · ./ ~-23 ~6- ~? -" H-15 &/-~'/. P~'c ' ~ ~-21 ~-/?~ CO~,~.TZON ~ H-18 ~Z'A{~ PAS 5 " 02/13/92 #1 9100.00- 9430.00 ATLAS 5 " 02/12/92 #1 11160.00-11325.00 ATLAS 5 " 02/10/92 ~1 11250.00-11528.00 ATLAS 5 " 02/10/92 #1 9582.00- 9852.00 SCH 5 " 02/11/92 #1 11500.00-11973.00 SCH 5 " 02/12/92 #1 9250.00- 9600.00 ATLAS Information Control Well Records Adrian J. Martin CF.. F..D Alaska Oil & Gas Cons. Cmmm~ BP EXPLORATION BP Exploration (A)aska) Inc. 900 East Benson Boulevard RO. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 DATE: 01/09/92 T# 83167 BP CASED HOLE FINALS Enclosed is your copy of the materials listed questions, please contact BP Well Records at GR 12/24/91 %1 13 2 ~'t°/CCL 12/31/91 ~1 below. If you have any (907) 564-4004. 9800.00-11160.00 ATLAS 10100.00-10360,00 ATLAS Information Control Well Records Adrian j. Martin RECEIVED Alaska Oil & Gas Cons. Commission Anchorage BP EXPLORATION BP Exploration (Alaska) Inc. 900 East Benson Boulevard P.O. Box 196612 Anchorage, Alaska 99519-6612 (907) 561o5111 DATE: 01/16/92 T~ 83186 BP CASED HOLE FINALS Enclosed is your copy of the materials listed below. If you have any questions, please contact BP Well Records at (907) 564-4004. /~v.-2 3 9~ /COMPLETION Information Control Well Records Adrian J. Martin 01/10/92 %1 01/10/92 %1 01/10/92 %1 9750.00- 9897.00 SCH 5 " 10984.00-11330.00 SCH 5 " 9850.00-11358.00 SCH 5 / 3RECEIVED JAN 2 2 1992 Alaska 0il & Gas Cons. Commission Anchorage TO: THRU: Blair Wondzell Sr. Petroleum Engineer MEMORANDUM State of Alaska At.as~A O~L AND GAS CONSr~Va?~ON CO~I~HSS~ON Lonnie c. S~~- DATE:Dec. 29, 1991 Comm i s s z one r/ FILE NO: DA. 1229.4 TELEPHONE NO: SUBJECT:BOP Test BPX PBU Y-23 Permit NO. 86-87 Prudhoe Oil Pool FROM: Doug Amos~J Petroleum Inspector Friday Dec.20, 1~1: I traveled this date from AAI's KRU to BPX Y-23 well to witness the BOP test on Nabors Workover Rig 2ES. The testing commenced at 11:30 pm this date but was cancelled at 1:30 am 12/21/91. The test was not conducted this date because the tubing hanger would not hold pressure, after two hours of trying to pressure test the stack the decision was made to pull the tubing and hanger and then test the stack with a test plug instead of the two way check valve. I approved this procedure because the well was dead and saw no danger. Saturday Dec. 29~ 1991: The testing commenced this date at 1:00 pm and was concluded 8:00 pm the longer than normal test time was caused by an improper seated test plug. As the attached AOGCC BOP inspection report indicates there were no failures during this test, tn summary, I witnessed the successful BOP test at BPX Y-23 well on Nabors Workover Rig No 2ES. The stack could not be tested until after the tubing was pulled because of a leaking tubing hanger. Attachment. 02-00lA (Rev. 6/89) 20/1UMEMO1.PM3 OPERATION: Drlg Operator Wkvr J STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION 80PE Inspection Report Location, Sec .~ T Drlg contrctr Location (general) Housekeeping (general Well sign.. Rig Reserve pit ~,i~ //6c MUD SYSTEMS: Visual Audio Trfp tank Pit gauge Flow monitor ~ l Hz5 BOPE STACK: Test Pressure Annular preventer L~ / · Pipe rams Blind_rams Choke line valves ~ ii HtR valve ~ ~ I/ Kill line valve~~ // Check valve TEST RESULTS: Rig# TEST: Initial / Weekly Other Representative Permit # Z~ ~" ACC~LATOR SYSTEM: Full charge pressure Press after closure Pump incr clos press 200 psfg Full charge press attained ~ N2 Z ~/~~, Z ZOo,/ Z zOO Controls:' Master_ ~ ft pstg psig min ~4~ sec -. min ~" sec pstg ~ Remote.. ~ Blind switch cover KELLY AND FLOOR SAFETY VALVES: Upper Kelly Lower Kelly Ball type Test pressure Test pressure Test pressure /x' : ' ' Inside BOP Choke manifold Number valves Number flanges Test pressure /¥ Adjustable chokes / Hydraulically operated choke .. / Failures ~ /~07~-~ Test time ~/ hfs Repair or replacement of failed equipment to be made within days. Notify the Inspector, and follow with written/FAXed verification to Commission office. Distribution: orig - AOGCC c - Operator c - Supervisor C.OOq (rev 05/10/90) WITNESS BP EXPLORATION BI:: Exploration (Alaska) Inc. g00 East Benson Boulevard P.O. Box 196612 Anchorage, Alaska 99519-6612 (9O7) 56~-5HI DATE: 12/19/91 T# 83129 BP CASED HOLE FINALS Enclosed is your copy of the materials listed below. If you have any questions, please contact BP Well Records at (907) 564-4004. 83~'AB-2 6 PERF 12/14/91 #1 TUBING CUTTER 12/15/91 #1 CNL 12/13/91 #1 CNL 12/14/91 #1 PRODUCTION LOG 12/11/91 #1 10040.00-11446.00 SCH 9700.00- 9970.00 SCH 8790.00- 9394.00 $CH 10800.00-11246.00 SCH 10590.00-10815.00 SCH 5 " 5 " 5 " 5 " Information Control Well Records Adrian J. Martin RECEIVED DEC 2 6 1991 Alaska 011 & I~as Cons. Oommissior~ Anchorage · BP EXPLORATION BP Exolora,cn fAlaska) Inc. 900 East Becson Bou~evaro P.O. Box 196612 Ancl~oraee. A'aska 99519-6612 (907) 561-5111 DATE: 10/24/91 T¢ 82948 BP CASED HOLE FINALS Enclosed is your copy of the materials listed ques%ions, please contact BP We!! Records at below. If you have any (907) 564-4004. · F-14 / CL 09/22/91 ~7'¢7 N-07'~ -SCL 10/05/91 ,~-~[~ Z-31j CL 08/22/91 ¢//. Lq' P-Il w/ CCL 09/25/91 .... ;v-04~ ' ""'"*' !0/0~/91 ~-~P-!0~ CCL 09/25/91 ?~. ~" W-09'-'- CCL 09/21/91 eO'-"~¢S-i8~''' GAS LiFT Sb~%~Y 08/30/91 O, ~-~q Y-16/ PROD-F . .:._ 10/04/91 9~-~>) A-!6 / INJ ~ 09/01/91 ~ ~ S-07 -- -GAS LIFT~ S~Y -~'09t22-/91 ~t-~6~ X-17/ T~ 10/05/91 7~-¢¢ Y-01/ LE~ DET 09/29/91 ~'/~ S-2~ ~ PITS 09/22/9i ~-~ Y-23 / LE~ DET 10/04/91 ..... ~? R-04-' GAS LiFT SURLY 09/26/91 ~¢-~~Y-01 ~ LE~ DET 09/27/91 ~/,]~ Y-30~ SPI~R 10/02/91 ¢~U-03~' INJ 09/30/91 3~-,¢¢ U-05'¢''- INJ 10/01/91 ;'~:~U-!0~ ~' -.,~ ~ !0/07 / 9i ~- I'¢X-iI~ iNj i0/06/9i ~]¢~3 M-2!~ TE~ 10/07/91 ' -- X-24 i:;J ' ~- R-27 PiT2 09/27/91 ,,--/~ ~-09- iNJ 10/01/91 ,-¢-,;,,-~, 0~ ¢¢T ~0/02/at ~.~.~:~ J-!l~ LE~ DET 10/03/91 ?¢-f~ F-03 ~' JE~LRY ~ ,, :'~--' J-i3 ~ GAS EZJTRY, jEWELRY ~ " ' ":-2~ 7EwELP'f ~ " 9047.00-10650 13950.00-14512 12101.00-13175 9070.00- 9621 8869.00-10162 8780.00- 9331 14200.00-14987 1800.00- 4550 9000.00- 9405 ' '10470.00-10900 10900.00-11290 ~:A¢-~-¢7-'-;375.00-11191 8800.00- 9812 7400.00- 7600 9100.00- 9547 9770.00-10150 !00.00- 8550 i70.00-i1350 9000.00- 9230 12500.00-13125 9150.00- 9520 9050.00- 9385 9650.00-!0078 9050 00- 9400 #1 ~2 8/30/91 8300 00- 9116.00 CAMCO 9450 00- 9734 12000 00-12650 10750 00-11297 8996 00-11779 9350.00- 9650 #1 10800 i0/06/91 .00 CAMCO 5 " · ,50 C:-Z.;C2 5 " .00 CA/~-C O 5 " · 00 CAMC.3 5 " .00 CAMCS 5 " · 00 CAMCO 5 " .00 CA24C 3 5 " . 00 CAMCO 2/5" .00 CAMCO 5 " .00 CAMCO 5 " .00 C:~<C~ 5 " · 00 CAMCO ' *' 2/5" · -, .0 0 CAMCO 5 " · 0 0 CAMCO 5 " · 00 CAMCO 5 " .00 CAMCO 5 " · 00 C~I~.C3 2 " .00 CA24CS 2 " .00 CAMCO 5 " .00 CAMCO 5 " .00 CAMCO 5 " .00 CAMCO 5 " · 00 CA/4C 3 5 " ,00 CA,MC 3 5 " 5 " 5 " 00 CA2<C 3 5 " O 0 C~2<C: 5 " 0 0 CA2<C $ 5 " 00 C~C3 5-" 0 0 CA/4CO 5' .0o-111so_. '_.~'~6.OS.S~-'~ ..... z~4= 00 CA24C5 ~0-"05/9! ~l BP EXPLORATION BP Exploration (Alaska) Inc. 900 East Benson Boulevard P.O. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 TO: DISTRIBUTION Date :06/05/91 T#:82483 FROM: SUBJECT: Information Control Well Records LR2-1 BP CASED HOLE FINALS Enclosed is your copy of the material listed below. If you have any questions, please contact BP Well Records at (907) 564-4445. A-23 H-15 q 1- ~"2 -'P-lO P-lO R-21 Y-23 PFC 05/21/91 #1 11200-11629 Atlas 5" CCL 05/22/91 #1 9550-9894 Atlas 5" GR 05/26/91 ' #1 8700-9529 Atlas 5" PFC 05/27/91 #1 8700-9529 Atlas 5" CCL 05/24/91 #1 9750-10359 Atlas 5" PLS 05/25/91 #1 10950-11585 Atlas 5" Distribution: ARCO CHEVRON EXXON GEOSCIENCES MOBIL PHILLIPS RESERVOIR STATE OF ALASKA ARCHIVES -, D JUly /1 1991 Alaska 011 ~ Qas Cons. Anchorago Commission BP EXPLORATION BP Exploration (Alaska) Inc. 900 East Benson Boulevard P.O. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 June 19, 1989 Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 Attention: Mr. C. V. Chatterton Well Y-23 (12-28-11-13) PBU Gentlemen: Enclosed, in duplicate, is Form 10-404, Report of Sundry Well Operations, for the above-named well. This contains our subsequent report of stimulating the well. Yours very truly, Manager Production Engineering JAM: JAM Enclosures (4) cc: L. Burke (MB12-1) Well Records (LR2-1) w/10 Well File STATE OF ALASKA . . ,SKA OIL AND GAS CONSERVATION COMM,,.-,.ON REPORT OF SUNDRY WELL OPERATIONS 1. Operations performed: Operation shutdown Stimulate × Plugging Pull tubing Alter casing Repair well Perforate Other 2. Name of Operator BP Exploration (Alaska)/nc. 3. Address P. O. Box 196612, Anchorage, Alaska 99519-6612 4. Location of well at surface 1372' SNL, 24' WEL, SEC. 33, T11N, R13E, UPM At top of productive interval 2231'SNL, 997' EWL, SEC. 28, T11N, R13E, UPM At effective depth 2007'SNL, 893'EWL, SEC. 28, T11N, R13E, UPM At total depth 1964'SNL, 873'EWL, SEC. 28, T11N, R13E, UPM 5. Type of Well: Development X Exploratory Stratigraphic Service 6. Datum elevation (DF or KB) KBE ~ 88.81 AMSL feet 7. Unit or Property name Prudhoe Bay Unit 8. Well number Y-23 (12-28-11-13) PBU 9. Permit number/approval number 86-87 / 9-184 10. APl number 50- 029-21590 11. Field/Pool Prudhoe Oil Pool 12. Present well condition summary Total depth: measured true vertical 11650feet Plugs (measured) BKB 9207feet Effective depth: measured true vertical 11589 feet BKB 9169feet Junk (measured) fill at 11589'MD (03/89) Casing Length Structural -- Conductor 110 Surface 2780 Intermediate 10293 Production -- Liner 1597 Perforation depth: measured Size Cemented Measured depth 20 x 30 8 c.y. 147 13 3/8 3902 c.f. 2817 9 5/8 500 c.f. 10330 7 400 c.f. 11103'- 11141' (Sag R) 11259'- 11384', 11396'- 11420' (Ivishak) 10053-11650 True vertical depth BKB 147 2701 8309 8116-9207 true vertical subsea 8752'-8779' (Sag R) 8863'-8973' (two lvishak intervals) Tubing (size. grade, and measured depth) 3 1/2" L-80 to 9972' with 2 7/8" tailpipe to 10084' Packers and SSSV (type and measured depth) 9 5/8" TIW packer at 9972~ 3 1/2" SSSV at 2096' 13. Stimulation or cement squeeze summary see attachment Intervals treated (measured) Treatment description including volumes used and final pressure 14. Re.~resentative Daily Average Production or Injection Data OiI-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure Prior to well operation Subsequent to operation 610 428 266 1032 930 753 405 1045 207 222 15. Attachments Copies of Logs and Surveys run Daily Report of Well Operations 16. Status of well classification as: Oil X Gas Suspended Service 17, I hereby c~_ th~h~.~oregoing isle and correct tothe best of my knowledge. Signed ////"' ~ 4y~'~~'~...~_..~ Title Manager Production En~ineerin~ Form 10-40~ Rev 06/15/88 SUBMIT IN DUPI'IOATE WELL Y-23 (12-28-11-13~ PBU ~;TIMULATION OP]~RATIONS A mud acid wash and scale inhibition treatment were performed on the following perforated intervals in Well Y-23. 11103'- 11141' MD BKB 11259'- l1384'MDBKB The mud acid treatment was pumped 6/1/89 in four stages via coiled tubing as follows' 6531 gal. 15% HCI 6678 gal. 6% HC1 - 1.5% HF w/diverter 12516 gal. 2% NH4CI brine 2000 gal. Arctic diesel w/mutual solvent Displaced to perfs with 146 bbls. seawater The following scale inhibition treatment was performed 6/7/89: 10 bbls. diesel preflush w/mutual solvent 30 bbls. EDTA solution w/diverter 135 bbls. scale inhibitor solution w/diverter 786 bbls. seawater oveflush Displaced to perfs with 100 bbls. seawater After a 12-hour shut-in period, the well was returned to production and tested. jm 6/16/89 BP EXPLORATION BP Exploralion (Alaska) Inc. 900 East Benson Boulevard P.O. Box 196612 Anchorage, Alaska 99519-6612 (907} 561-5111 TO HOUSTON ARCO CHEVRON EXXON MOBIL' ' PHILLIPS STATE OF ALASKA GEOSCIENCES RES ERVO IR ARCHIVES BP CASED HOLE FINAL LOGS Date: 05-24~89 T~: 80078 The following material is being submitted herewith. Please acknowledge receipt by signing a copy of this letter and returning it to this office: C-08 CCL/PERF 04-06-89 #I 10000-10200 HLS 5" C-14 CCL/PERF 04-08-89 #1-3 11700-11900 HLS 5" X-23 CCL/PERF 03-20-89 #1 10890-11750 HLS' 5" Y-23 CCL/PERF 03-18-89 #1 10030-11568 HLS 5" Received: Date: Nas~ 0it & G~s Cons. Commission Information Control Well Records LR2-1 J. Dietz/S. McCurry BP EXPLORATION May 23, 1989 BP Exploration (Alaska) Inc. 900 East Benson Boulevard RO. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 Attention: Mr. C. V. Chatterton Well Y-23 (12-28-11-13) PBU Gentlemen: Enclosed, in duplicate, is Form 10-404, Report of Sundry Well Operations, for the above-named well. This contains our subsequent report of perforating the well. Yours very t~ruly~__ __ B. J. Policky, Supervisor Waterflood & Miscible Flood BJP: JAM Enclosures (4) cc: L. Burke (MB12-1) Well Records (LR2-1) w/10 Well File STATE OF ALASKA AI.~KA OIL AND GAS CONSERVATION COMMISb,,JN REPORT OF SUNDRY WELL OPERATIONS 1. Operations performed: Operation shutdown Pull tubing 2. Name of Operator BP Exploration (Alaska) Inc. 3. Address P. O. Box 196612, Anchorage, Alaska 99519-6612 4. Location of well at surface 1372' SNL, 24' WEL, SEC. 33, T11N, R13E, UPM At top of productive interval 2231' SNL, 997' EWL, SEC. 28, T11N, R13E, UPM At effective depth 2007' SNL, 893' EWL, SEC. 28, T11N, R13E, UPM At total depth 1964' SNL, 873' EWL, SEC. 28, T11N, R13E, UPM 12. Present well condition summary Total depth: measured true vertical BKB Stimulate Plugging Perforate Alter casing Repair well Other 5, Type of Well: Development ~X Exploratory Stratigraphic Service 6. Datum elevation (DF or KB) KBE = 88.81 AMSL feet 7. Unit or Property name Prudhoe Bay Unit 8. Well number Y-23 (12-28-11-13) PBU 9. Permit number/approval number 86-87/9-163 10. APl number 50- 029-21590 11, Field/Pool Prudhoe Oil Pool 11650feet 9207feet Plugs (measured) Effective depth: measured true vertical 11589 feet BKB 9169feet Junk (measured) fill at 11589' MD (03/89) Casing Structural Conductor Surface Intermediate Production Liner Perforation depth: Length Size Cemented Measured depth 110 20x30 8 c.y. 147 2780 13 3/8 3902 c.f. 2817 10293 9 5/8 500 c.f. 10330 measured .. 1597 7 400 c.f. 11103'- 11141'(Sag R) 11259'- 11384', 11396'- 11420' (Ivishak) 10053-11650 True vertical depth BKB 147 2701 83O9 8116-9207 true vertical subsea 8752'-8779' (Sag R) 8863'-8973' (two lvishak intervals) Tubing (size, grade, and measured depth) 3 1/2"L-80 to 9972' with 2 7/8" tailpipe to 10084' Packers and SSSV (type and measured depth) 9 5/8" TIW packer at 9972'; 3 1/2" SSSV at 2096' ~ 13. Stimulation or cement squeeze summary Intervals treated (measured) Treatment description including volumes used and final pressure 14. F{e.Dresentative Daily Average Production or Iniection Data OiI-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure Prior to well operation 690 521 221 1190 224 Subsequent to operation 880 560 120 1118 222 15. Attachments I 16. Status of well classification as: Copies of Logs and Surveys run I Daily Report of Well Operations X ~ Oil X Gas Suspended Service 17, I hereby cert' that the f regoi ~s rue ~orrect to the best of my knowledge. Signed ~,~~g~'~~~e~an~'~( Title SupervisorWaterflood/MiscibleFIood Form 10-404 Rev 06~5/88 ~'7 Date SUBMIT iN DU~PLi(~ATE WELL Y-23 (12-28-11-13~ PBU ADD~L. PERFORATION OPERATIONS The following additional interval was perforated March 18, 1989 using Gearhart 2 1/8" carrier guns at 4 spf: 11396'- l1420'MD BKB (Ref. BHCS, 6/17/86) A lubricator was installed and tested to 3500 psi for all well work. The well was returned to production immediately following perforating operations, then tested. jm 5/11/89 BP EXPLORATION March 7, 1989 BP Exploration (Alaska) Inc. 900 East Benson Boulevard RO. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 Attention: Mr. C. V. Chatterton Well y-23 (12-28-11-13) PBU Gentlemen: Enclosed, in triplicate, is Form 10-403, Application for Sundry Approvals, for the above-named well. This contains our proposal to stimulate the well. Yours very truly, v~n~e~r;~duction Engineering JAB:JAM Enclosures (9) cc: L. Burke (MB12-1) Well File STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISolON APPLICATION FOR SUNDRY APPROVALS 1, Type of Request: Abandon ~ Suspend ~ Operation Shutdown ~ Re-enter suspended well__ Alter casing__ Repair well~ Plugging __ Time extension__ Stimulate X Change approved program ~ Pull tubing __ Variance __ Perforate__ Other 2. Name of Operator BP Exploration (Alaska) Inc. 3. Address P. 0. Box 196612, Anchorage, Alaska 99519-6612 4. Location of well at surface 1372'SNL, 24' WEL, SEC. 33, T11N, R13E, UPM At top of productive interval 2231'SNL, 997' EWL, SEC. 28, T11N, R13E, UPM At effective depth 1995' SNL, 887' EWL, SEC. 28, T11N, R13E, UPM At total depth 1964' SNL, 873' EWL, SEC. 28, T11N, R13E, UPM 5. Type of Well: Development X Exploratory __ Stratigraphic__ Service 6. Datum elevation (DF or KB) KBE-- 88.81 AMSL feet 7. Unit or Property name Prudhoe Bay Unit 8. Well number Y-23 (12-28-11-13) PBU 9. Permit number 86-87 12. Present well condition summary Total depth: measured true vertical Effective depth: measured true vertical 11650 feet BKB 9207 feet 11606 feet BKB 9180 feet Plugs (measured) Junk (measured) 10. APl number 50- 029-21590 11. Field/Pool Prudhoe Oil Pool Casing Structural Conductor Surface Intermediate Production Liner Perforation depth: Length Size .. 110 20 x 30 278O 13 3/8 10293 9 5/8 .. 1597 7 measured 11103' - 11141' (Sag R) 11259'- 11384' (Ivishak) true vertical subsea 8752'-8779' 8863'-8948' Cemented 8 c.y. 3902 c.f. 500 c.f. 400 c.f. Measured depth 147 2817 10330 10053-11650 Tubing (size. grade, and measured depth) 3 1/2" L-80 to 9972' with 2 7/8" tailpipe to 10084' Packers and SSSV (type and measured depth) 9 5/8" TIWpacker at 9972'; 3 1/2" SSSV at 2096' True vertical depth BKB 147 2701 8309 8116-9207 13. Attachments Description summary of proposal X Detailed operations program BOP sketch 14. Estimated date for commencing operation March1989 16. If proposal was verbally approved Name of approver Date approved 15. Status of well classification as: Oil X Gas Suspended Service 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. Signed (~~ ,~~,~~ Title ManagerProduction Engineering o~/so FOR COMMISSION USE ONLY Condit f approval: Notify Commission so representative may witness Plug integrity BOP Test~ Location clearance ~ Mechanical Integrity Test~ Subsequent form required 10- ~-~ J Approval No. Approved by order of the Commission Form 10-403 Rev 06/15/88 ORIGINAL SIGNED BY LONNIE C. SMITH Commissioner Approved Copy Returned SUBMIT IN TRIPLICATE WELL Y-23 (12-28-11-13~ PBU STIMULATION PROPOSAL A mud acid wash and contingent scale inhibition treatment is proposed for the following perforated intervals in Well Y-23. 11103' - 11141' MD BKB 11259' - 11384' MD BKB The treatment will be pumped in four stages via coiled tubing as follows: 6500 gal. 15% HC1 6500 gal. 6% HC1 - 1.5% HF w/diverter 13000 gal. 2% NH4C1 brine 2000 gal. Arctic diesel w/mutual solvent Displace to perfs with seawater or produced water If the mud acid wash is successful, the following scale inhibition treatment will be performed: 10 bbls. diesel preflush w/mutual solvent 30 bbls. EDTA solution w/diverter 130 bbls. scale inhibitor solution w/diverter 50 bbls. seawater oveflush Displace to perfs with seawater After a 12-hour shut-in period, the well will be returned to production and tested. jm 3/2/89 Coiled Tubing Blow-Out-Preventers Coiled Tubing Pack-Of'i' ¢ BI/nd Rams Cutter Rams Chlcksan (Kill Line) . ]~_~ Slips ~ Plpe Rams · Pump-In Sub (Clrcula te/R e turns) W ell Head Swab Valve BP EXPLORATION BP Exploration (Alaska) Inc. 900 East Benson Boulevard P.O. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 February 27, 1989 Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 Attention: Mr. C. V. Chatterton Well Y-23 (12-28-11-13) PBU Gentlemen: Enclosed, in triplicate, is Form 10-403, Application for Sundry Approvals, for the above-named well. This contains our proposal to perforate the well. Yours very truly, B. J. Policky Supervisor Waterflood & Miscible Flood BJP:JAM Enclosures (9) cc: L. Burke (MB12-1) Well File STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION APPLICATION FOR SUNDRY APPROVALS 1. Type of Request: Abandon__ Suspend__ Operation Shutdown ~ Alter casing ~ Repair well__ Plugging ~ Time extension __ Change approved program ~ Pull tubing ~ Variance Perforate __ 2. Name of Operator BP Exploration (Alaska) Inc. 3. Address P. O. Box 196612, Anchorage, Alaska 99519-6612 5. Type of Well: Development x Exploratory. Stratigraphic Service 4. Location of well at surface 1372'SNL, 24' WEL, SEC. 33, T11N, R13E, UPM At top of productive interval 2231'SNL, 997' EWL, SEC. 28, T11N, R13E, UPM At effective depth 1995'SNL, 887' EWL, SEC. 28, T11N, R13E, UPM At total depth 1964'SNL, 873' EWL, SEC. 28, T11N, R13E, UPM 12. Present well condition summary Total depth: measured 11650 feet true vertical BKB 9207 feet Re-enter suspended well~ Stimulate x Other 6. Datum elevation (DF or KB) KBE.,88.81 AMSL feet 7. Unit or Property name Prudhoe Bay Unit 8. Well number Y-23 (12.28-11-13) PBU 9. Permit number 86-87 10. APl number 50- 029-21590 11. Field/Pool Prudhoe Oil Pool Plugs (measured) Effective depth: measured 11606 feet true vertical BKB 9180 feet Junk (measured) Casing Length Size Structural -- Conductor 110 20x30 Su trace 2780 13 3/8 Intermediate 10293 9 5/8 Production -- Liner 1597 7 Perforation depth: measured 11103'- 11141'(Sag R) 11259'- 11384' (Ivishak) true vertical subsea 8752'-8779' 8863'-8948' Cemented 8 c.y. 3902 c.f. 500 c.f. 400 c.f. Measured depth 147 2817 10330 10053-11650 Tubing (size, grade, and measured depth) 3 1/2"L-80 to 9972' with 2 7/8" tailpipe to 10084' Packers and SSSV (type and measured depth) 9 5/8" TIWpacker at 9972'; 3 1/2" SSSV at 2096' True vertical depth BKB 147 2701 83O9 8116-9207 13. Attachments Description summary of proposal X Detailed operations program BOP sketch X 14. Estimated date for commencing operation Feb/Mar 1989 16. If proposal was verbally approved Name of approver Date approved 15. Status of well classification as: Oil X Gas Suspended Service 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. Signed L ~f" ~?' ~ ~'~' '~.3. ?ol,'~ ;~RCOMMISSIoNTitle SuperviSOrusEWaterflood/MiscibleoNLY Flood Date Conditions of approval: Notify Commission so representative may witness Plug integrity .~ BOP Test ~ Location clearance Mechanical Integrity Test~ Subsequent form required 10- ORIGINAL SIGNED BY Approved by order of the Commission ~.ONI',IIE C. SMITH Form 10-403 Rev 06/15/88 JApproval No. ? -/~'3 SUBMIT IN TRIPLICATE WELL Y-23 (12.28-11-13) PBU ADD'L. PERFORATION PROPOSAL We propose to perforate the following additional interval during February/March 1989' 11396'- 11420' MD BKB (Ref. BHCS, 6/17/86) A lubricator will be installed and tested to 3500 psi for all well work. The well will be returned to production immediately following perforating operations, then tested. jm 2/22/89 BOWEN PACKOFF FLOW TUBES & PACKOFF L HAND GREASE SEAL FLOWTUBE PUMP FLOWLINE FLOWLINE VALVE GREASE LINE RISER GREASE MANIFOLD PUMP BOP · ~.- GREASE RESERVOIR Slo ndo~.ct A Io...i- o P~'od u¢ I',on Compony 900 Eo'.t PO Bo, 1960~2 A,-,(ho,ayc' AIosLo 9'9SI9.661~ ~907' 56'~ 511 I INDEXED DAL g.\ S A~C0 STANDARD CHEVRON AL ASKA PRODUC E~ON Date: 02/24/88 TEXACO 78597 TO: TJ: MOBIL PHILLIPS REFERENCE: SAPC FINAL DATA - PRESSURE SURVEY DATA The following material Is being submitted herewith. Please acknowledge receipt by signing a copy of this lel-ter and returning It to this office: D-29 "~ E-27 ~ E-29 ~ F-28 ~ F-29 ~ G-32 ~ H-20 ~J-27 ~ K-12 ~ K-14 ~ S-16 ~ S-i6 ~ S-20 ~ X-9 ~ X-14 ~ Y-1 ~ Y-23 02/02/88 Camco Static Gradient 02/08/88 Camco " " 02/08/88 Camco " " 02/12/88 Camco " " 02/12/88 Camco " " 02/03/88 Camco " " 01/27/88 Otis " " 02/02/88 Camco " " 02/04/88 GO " 02/04/88 GO " 02/10/88 Camco " " 02/13/88 Camco " " 01/28/88 Otis .... 01/24/88 Otis " " 01/23/88 Otis " " 02/03/88 Camco " " 01/25/88 Otis " " 01/26/88 Otis .... 02/15/88 Camco .... 02/10/88 Camco " " Standard Alaska Production Compa 900 East Benson Bou P.O. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 STANDARD ALASKA PRODUCTION November 23, 1987 Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 Attention: Mr. C. V. Chatterton Well Y-23 (12-28-11-13) PBU Gentlemen: Enclosed, in duplicate, is Form 10-404, Report of Sundry Well Operations, for the above-named well. This contains our subsequent report of stimulating the well. Yours very truly, JAB:jAM-~~ Enclosures (4) cc: J. L. Haas (MB12-1) Well Records (LR2-1) w/10 Y-23 Well File A. Bragg' ~U anager Production Engineering A unit of the original Standard Oil Company Founded in Cleveland, Ohio, in 1870. STATE OF ALASKA AL/-,_ ., OIL AND GAS CONSERVATION CO. SION REPORT OF SUNDRY WELL OPERATIONS 1. Operations performed: Operation shutdown F~ Stimulate ~ Plugging [] Perforate ~ Pull tubing Alter Casing ~ Other [] 2. Name of Operator 5. STANDARD ALASKA PRODUCTION COMPANY 3. Address 6. P. O. BOX 196612, ANCHORAGE, ALASKA 99519-6612 4. Location of well at surface 7. 1372' SNL, 24' WEL, Sec. 33, TllN, R13E, UPM At top of productive interval 8. 2231' SNL, 997' EWL, Sec. 28, TllN, R13E, UPM At effective depth 1995' SNL, 887' EWL, Sec. 28, TllN, R13E, UPM At total depth 1964' SNL, 873' EWL, Sec. 28,: TllN, R13E, UPM Datum elevation (DF or KB) KBE = 88o81 Feet Unit or Property name Prudhoe Bay Unit Well number Y-23 (12-28-11-13) PBU Approval number 7-571 9. APl number 50--029-21590 10. Pool Prudhoe Oil Pool 11. Present well condition summary Total depth: measured true vertical 11650 feet Plugs (measured) 9207 feet BKB Effective depth: measured 11606 feet Junk (measured) true vertical 9180 feet BKB 12. Casing Length Size Cemented Measured depth Structural -- True Vertical depth BKB Conductor 110' 20"x30" 8 cu.yds. 147' Surface 2780' 13 3/8" 3902 c.f. 2817' Intermediate 10293' 9 5/8" 500 c.f. 10330' Production -- 147' 2701' 8309 ' Liner 1597' 7" 400 c.f. 10053' -11650' 8116'-9207' Perforation depth: measured 11103' - 11141' (Sag R.) 11259' - 11384' (Ivishak) true vertical(ss) 8752' - 8779' 8863' - 8948' Tubing (size, grade and measured depth) 3 1/2" L-80 EUE to 9972' with 2 7/8" tailpipe to 10084' Packers and SSSV (type and measured depth) 9 5/8" TIW packer at 9972'; 3 1/2" SSSV at 2096' Stimulation or cement squeeze summary See attachment Intervals treated (measured) Alaska 0il & ,'.~a~; C0r,,s. C0mmissi0.~ Treatment description including volumes used and final pressure 13. Prior to well operation Subsequent to operation Representative Daily Average Production or Injection Data OiI-Bbl Gas-Mcf Water-Bbl 1432 855 138 Casing Pressure Tubing Pressure 0 209 0 211 1050 893 160 14. Attachments Daily Report of Well Operations ~ Copies of Logs and Surveys Run [~ 15. I hereby certify that the foregoing is true and correct to the best of my knowledge ': -;. .~*--,..,2 &~'-" ~"~,2" Fo rm 1~4 Rev. 12-1-85 ~/(/ Title Manager Production Engineering Date Submit in Duplica{'e Well Y-23 (12-28-11-13) PBU STIMULATION OPERATIONS A bullheaded scale inhibitor treatment w/EDTA preflush was performed on September 1, 1987 on the following perforated intervals: 11103' - 11141' MD BKB 11259' - 11384' MD BKB The treatment fluids consisted of the following: 10 bbls. diesel preflush w/mutual solvent 64 bbls. EDTA solution 114 bbls. scale inhibitor solution 600 bbls. seawater overflush 30 bbls. diesel overflush The treatment fluids were displaced to the perforations with 120 bbls. dead crude. The well was returned to production after a 24-hour shut- in period but would not sustain flow. A nitrogen lift was performed September 4, 1987; the Well was returned to production and tested. jm 1~/18/87 i...!~',"~,r s~ ]r;~!7 Oil ?, gas Cons. 6orn!r, issio~ Ai!cl:oi'r~f.le Production Com~ P O Bo, 196617 A-(ho~oge. Ah:,,,ko 99.519 6612 ~907~ .564 5! I I INDEXED DALLAS ARCO CnEV~O~ STANDARD ,",! .,q. I"/.. [~[~(-)l )1 )( 1'1(. EXXON TEXACO Date: 08/26/87 lO: blOBIL T#: 78154 PHILLIPS STATE OF ALASKA GEOSC IENCES REFERENCE: SAPC CASED HOLE FINAL LOGS The following material is being submitted herewith. Please acknowledge receipt by signlng a copy of this letter and returning It to this office: A-13 A-15 A-15 B-6 B-13 C-8 F-4 H-3 Q-5 S-2 Y-12 Y-12 Y-23 WOPITS 07/31/87 #1 9300-9815 Camco 5" Production Profile 07/29/87 #1 10650-10950 Camco 5" Flowmeter 08/06/87 #1 10500-11000 Camco 5" Production Profile 08/11/87 #1 8400-9200 Camco 5" Injection Profile 07/20/87 #1 10350-10900 Camco 5" Collar . 08/05/87 #1 10000-10240 Camco 5" Production Profile 08/01/87 #1 10100-10525 Camco 5" CCL 07/25/87 #1 8800-10096 Camco 5" Flowmeter/Temp. 08/06/87 #2 10100-10365 Camco 5" PITS 08/03/87 #1 10400-11294 Camco 5" Production Profile 08/02/87 #1 9000-9310 Camco 5" Flowmeter 08/06/87 #1 9000-9300 Camco 5" Production Profile 08/02/87 #1 10950-11510 Camco 5" c jv n_ Alaska Oil & Oas Cons. Commi,~sion Recei ved Anchorage Victoria Aldridge I NFORMAT I ON CONTROL Date Wel I Records LR2-1 Standard Alaska Production Compc 900 East Benson Be, ara P.O. Box 196612 Anchorage, Alaska 99519-6612 (907~ 561-5111 August 27, 1987 STANDARD '~~ ALASKA PRODUCTION Alaska 0il & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 Attention: Mr. C. V. Chatterton Well Y-23 (12-28-11-13) PBU Gentlemen: Enclosed, in triplicate, is Form 10-403, Application for Sundry Approvals, for the above-named well. This contains our proposal to stimulate the well. Yours very truly, JAB: JAM~ Enclosures (g) ce: J. L. Haas (MB12-1) Y-23 Well File upervisor Production Operations A unit of the original Standard Oil Company Founded in Cleveland, Ohio, in 1870. --- STATE OF ALASKA AL/-, ,A OIL AND GAS CONSERVATION COl .... ~ISSION APPLICATION FOR SUNDRY APPROVALS 1. Type of Request: Abandon [] Suspend ~ Operation Shutdown [] Re-enter suspended well [] Alter casing ~: Time extension ~ Change approved program [] Plugging [] Stimulate ~ Pull tubing [] Amend order ~ Perforate L-] Other [] 2. Name of Operator 5. Datum elevation (DF or KB) STANDARD ALASKA PRODUOTTON COMPANY KBE = 88.81 feet 3. Address 6. Unit or Prop. erty name P. O. BOX 196612, ANCHORAGE, ALASKA 99519-6612 Prudhoe Bay Unit 4. Location of well at surface 1372' SNL, 24' WEL, Sec. 33, T11N, R13E, UPM At top of productive interval 2231' SNL, 997' EWL, Sec. 28, T11N, R13E, UPM At effective depth 1995' SNL, 887' EWL, Sec. 28, T11N, R13E, UPM At total depth 1964' SNL, 873' EWL, Sec. 28, T11N, R13E, UPM 7. Well number Y-23 (12-28-11-13) PBU 8. Permit number 86-87 9. APl number 5o--029-21590 10. Pool 'Prudhoe Oil Pool 11. Present well condition summary Total depth: measured true vertical 11650 feet Plugs (measured) 9207 feet BKB Effective depth: measured true vertical 11606 feet Junk (measured) 9180 feet BKB Casing Length Structural -- Conductor 58' Surface 2765' Intermediate 10278' Size Cemented Measured depth True Vertical depth BKB 20"x30" 8 cu.yds. 110' 110' 13 3/8" 3902 c.f. 2817' 2701' 9 5/8" 500 c.f. 10330' 8309' Production Liner 1597' 11 400 c.f. 10053'-11650' Perforation depth: measured 11103' - 11141' 11259' - ].13~4' true vertical(SS 8752' - 8779~ 8863' - 8948' Tubing (size, grade and measured depth) Sa9 R. ) Ivlshak) 3 1/2" L-80 EUE to 9972' with 2 7/8" tailpipe to 10084' Packers and SSSV (type and measured depth) 9 5/8" TIW packer at 9972'; 3 1/2" SSSV at 2096' 8116'-9207' 12.Attachments Description summary of proposal ~'1 Detailed operations program © BOP sketch 13. Estimated date for commencing operation August/September 1987 14. If proposal was verbally approved Name of approver Date approved 15. I hereby certify that the foregoing is true and correct to the best of my knowledge Si~'n~d(~~/~~ TitleSupervisor Production Operations Date // J. A. Bragg ~/C/ Commission Use Only ConoN41ons~'- of approval Notify commission so representative may witness I Appr~l No. ~ Plug integrity ~ BOP Test ~ Location clearanc~L~ /~~~._~.~;~.~ - ~ ~ ,~. -.~. ., by order of Approved by r~}; '~':: ~g~ Commissioner the commission Date Form 10-403 Rev 12q-85 Submit in triplicate~_ Well Y-23 (12-28-11-13) PBU STIMULATION PROPOSAL A scale inhibition treatment w/EDTA preflush is proposed for the following perforated intervals in Well Y-23. 11103' - 11141' MD BKB 11259' - 11384' MD BKB The treatment fluids will consist of the following pumped via coiled tubing: 10 bbls. diesel preflush w/mutual solvent 2500 gal. EDTA solution Total volume of scale inhibitor solution 600 bbls. seawater overflush 30 bbls. diesel overflush The treatment fluids will be displaced to the perforations with dead crude. Following the treatment the well will be left shut in for 24 hours, then returned to production and tested. 8/25/87 Coiled Tubing Blow-Out-Preventers Coiled Tubing Pack-Off Blind Rams Cutter Rams Chicksan (Kill Line) Slips Pipe Rams t Pump-In Sub (Circulate/R e turns) Well Head Swab Valve Standard Alaska ~ Production Compa 900 East Benson Bou~,~ard P.O. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 STANDARD ALASKA PRODUCTION August 14, 1987 Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 Attention: Mr. C. V. Chatterton Well Y-23 (12-28-11-13) PBU Gentlemen: Enclosed, in duplicate, is Form 10-404, Report of Sundry Well Operations, for the above-named well. This contains our subsequent report of stimulating the well. Yours very truly, JAB: JAM ~ . Bragg visor Production Operations Enclosures (4) cc: J. L. Maas (MB12-1) Well Records (LR2-1) w/10 Y-23 Well File A unit of the original Standard Oil Company Founded in Cleveland, Ohio in 1870. STATE OF ALASKA ALA,_,~A OIL AND GAS CONSERVATION CO~ .... 41SSION REPORT OF SUNDRY WELL OPERATIONS 1. Operations performed: Operation shutdown b~ Stimulate [] Plugging D Perforate 7J Pull tubing Alter Casing ~ Other~ m 2. Name of Operator 5. Datum elevation (DF or KB) STANDARD ALASKA PRODUCTION COMPANY KBE = 88.81 Feet 3. Address 6. Unit or Property name P. O. BOX 196612, ANCHORAGE, ALASKA 99519-6612 Prudhoe Bay Unit 4. Location of well at surface 1372' SNL, 24' WEL, Sec. 33, TllN, R13E, UPM At top of productive interval 2231' SNL, 997' EWL, Sec. 28, TllN, R13E, UPM At effective depth 1995' SNL, 887' EWL, Sec. 28, TllN, R13E, UPM At total depth 1964' SNL, 873' EWL, Sec. 28, TllN, R13E, UPM 7. Well number Y-23 (12-28-11-13) PBU 8. Approval number 7-459 9. APl number 50-- 029-21590 10. Pool Prudhoe Oil Pool 11. Present well condition summary Total depth: measured true vertical 11650 feet 9207 feet BKB Plugs (measured) Effective depth: measured 11606 feet Junk (measured) true vertical 9180 feet BKB Casing Length Size Cemented Structural -- Conductor 58' 20"x30" 8 cu.yds. Surface 2765' 13 3/8" 3902 c.f. Intermediate 10278' 9 5/8" 500 c.f. Production -- Liner 1597' 7" 400 c.f. Perforation depth: measured 11103' - 11141' (Sag R.) 11259' - ](.S1S3~4' (Ivishak) true vertical 8752' - 8779' 8863' - 8948' Tubing (size, grade and measured depth) 3 1/2" L-80 EUE to 9972' with 2 7/8" tailpipe to 10084' Packers and SSSV (type and measured depth) 9 5/8" TIW packer at 9972'; 3 1/2" SSSV at 2096' Measured depth 110 ' 2817' 10330 ' 10053' -11650' RECEIVED True Vertical depth BKB 110 ' 2701' 8309' 8116 ' -9207 ' 12. Stimulation or cement squeeze summary See attachment Intervals treated (measured) Treatment description including volumes used and final pressure AUG 1 7 1987 .Alaska 0il & Gas Cons. 6ommission Anchorage 13. Prior to well operation Subsequent to operation Representative Daily Average Production or Injection Data OiI-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure 470 247 38 0 194 1090 605 123 0 2O2 14. Attachments Daily Report of Well Operations Copies of Logs and Surveys Run i] 15. I hereby certify that the foregoing is true and correct to the best of my knowledge Title ,q,?~-r-v-i .~-r 'p-r-c~duction Operations Date (~//' ~7 Submit in Duplicate Well Y-23 (12-18-11-13) PBU STIMULATION OPERATIONS A bullheaded 2500-gal. 15% HC1/xylene perforation wash was performed July 30, 1987 on the following perforated intervals in Well Y-23. 11103' - 11141' MD BKB 11259' - 11384' MD BKB Prior to the perforation wash a 500-gal. HC1/xylene tubing wash was performed on July 29, 1987 to ensure that the perforation wash was performed through clean tubing. The well was returned to production and tested at the completion of the treatments. jm 8/6/87 Slandard Alaska Produclion Compar 900 Eo~t B~nson BO .~ P.O Box 196612 Anchoroge. Aloska 99519-66 (907~ 564-5 I I I INDEXED DALLAS ARCO CHEVRON EXXON TEXACO Date: 08/03/87 TO: MOBIL TI: 78092 PHILLIPS STATE OF ALASKA GEOSC IENCES STANDARD Al_ ASP"./. pp,d)[-)l Jdj 1-10N REFERENCE: SAPC CASED HOLE FINAL LOGS The following material Is being submitted herewith. Please acknowledge receipt by slgnlng a copy of this letter and returning it to this office: Y-23 Prod. Profile 07/28/87 #1 10890-11510 Sch 5" Rece i ved Date A u,~,l ol ,he or,g,noI $,c,,,d¢~,,I ()d Founded ,,, (..le~el(,,,d (.~h,o .,, 187f) ! Victoria Aldridge INFORMATION CONTROL Well RecoFds LR2-1 Standard Alaska Production Compan 900 East Benson BoulE.~rd P.O. Box 196612 Anchorage, Alaska 99519-6612 t907~ 56t-5111 July 20, 1987 ALASKA PRODUCTION Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 Attention: Mr. C. V. Chatterton Well Y-23 (12-28-11-13) PBU Gentlemen: Enclosed, in triplicate, is Form 10-403, Application for Sundry Approvals, for the above-named well. This contains our proposal to stimulate the well. Yours very truly, JAB:JAM~~ Enclosures (6) cc: J. L. Haas (MB12-1) Y-23 Well File J. . ragg Supervisor Production Operations A unit of the originoJ Standard nj! Company Founded in Cleveland, Ohio. ir' 1870. STATE OF ALASKA ALAU,,A OIL AND GAS CONSERVATION corv~,,,iSSlON APPLICATION FOR SUNDRY APPROVALS 1. Type of Request: Abandon [] 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. Datum elevation(DF or KB) STANDARD ALASKA PRODUCTION COMPANY KBE = 88.81 feet 3. Address 6. UnitorPropertyname P. O. BOX 196612, ANCHORAGE, ALASKA 99519-6612 Prudhoe Bay Unit 7. 4. Location of wellatsurface 1372' SNL, 24' WEL, Sec. 33, TllN, R13E, UPM Attop of productiveinterval 8. 2231' SNL, 997' EWL, Sec. 28, TllN, R13E, UPM Ateffective depth 1995' SNL, 887' EWL, Sec. 28, TllN, R13E, UPM Attotaldepth 1964' SNL, 873' EWL, Sec. 28, TllN, R13E, UPM Well number Y-23 (12-28-11-13) PBU Permit number 86-87 9. APl number 50--029-21590 10. Pool Prudhoe Oil Pool 11. Present well condition summary Total depth: measured true vertical 11650 feet Plugs (measured) 9207 feet BKB Effective depth: measured true vertical 11606 feet Junk (measured) 9180 feet BKB Casing Length Structural -- Size Cemented Measured depth True Vertical depth BKB Conductor 58' Surface 2765' Intermediate 10278 ' Production -- 20"x30" 8 cu.yds. 13 3/8" 3902 c.f. 9 5/8" 500 c.f. 110' 2817' 10330' 110' 2701' 8309' Liner 1597' ,, 400 c.f. 10053'-11650' 8116'-9207' Perforation depth: measured 11103' - 11141' 11259' - 11384' true vertical (ss) 8752' - 8779' 8863' - 8948' Tubing (size, grade and measureddepth) (Sag R.) (Ivishak) 3 1/2" L-80 EUE to 9972' with 2 7/8" tailpipe to 10084' Packers and SSSV (type and measured depth) ............. '- ~,' ..:~ .......... i.~ .,,~.~.,~ ~: ~,, .::, . 9 5/8" TIW packer at 9972'_: 3 ]/2". SSSV a-I-_ 2096' "~"':' ...... .~ :,:.~,~ 12.Attachments Description summary of proposal ~ Detailed operations program ,~ BOP sketch 13. Estimated date for commencing operation July/August 1987 14. If proposal was verbally approved Name of approver Date approved 15. I hereby certify that the foregoing is true and correct to the best of my knowledge ~d'~'~ ~ ~ t~-' /~ Title Supervisor Production Operations Date ?/~/~? ~ J. A. Bragg Commission Use Only approval Notify commission so representative may witness I Approval Conditions of [] Plug integrity [] BOP Test [] Location clearanceI No. ~'~ - '"~'z,,,~-~/'-' o''X2/ Approved by Form 10-403 Rev 12-1-85 ~l~.~urr~ed , Commissioner Dy order of the commission Date' Submit in triplicate Well Y-23 (12-18-11-13) ?BU STIMULATION PROPOSAL A bullheaded 2500-gal. 15% HC1/xylene perforation wash is proposed for the following perforated intervals in Well Y-23. 11103' - 11141' MD BKB 11259' - 11384' MD BKB Prior to the wash, a 500-gal. HC1/xylene tubing wash will be performed to ensure that the perforation wash is performed through clean tubing. jm 7/17/87 Standard Alaska Production Company 900 East B~.nson Boule~ P.O. Box 196612 Ancho,oge. Alosl, o 99.519-6612 (9071 564-511 ! INDEXED DALLAS ......... ARCO c~o~ STANDARD ALASKA PRODUCTION EXXON - TEXACO Dote: 04/20/87 TO: MOBIL T#: 77830 PHILLIPS STATE OF ALASKA GEOSCIENCES REFEREI~K~E: SAPC CASED HOLE FINAL LOGS The following material Is being submitted herewith. Please acknowledge receipt by signing a copy of this letter and returning it to this offlce: -23 -23 -23 F-23 F-23 H-3 J-il M-22 '""J M-23 Y-23 CH/CNL 12/06/86 #1 9726-12211 Sch 5" GR Correlation 12/06/86 #1 6974-10850 Sch 5" CET 12/06/86 #1 9753-12257 Sch 5" GCT Directional Survey 12/21/86 #1 12-10312 Sch 5" CBT 12/06/86 #1 9726-12236 Sch 5" CCL 11/16/86 #1 8900-10300 Sch 5" Multi-Finger Caliper 10/11/86 #1 24-9440 Sch 5" ~ubing Tail Cutting Record 11/24/86 Completion Record 10/24/86 #1 Completion Record 10/09/86 #1 #1 9400-10293 Sch 5" 8910-10016 Sch 5" 9796-11558 Sch 5" Victoria Aldridge { NFORHAI ~ ON CONTROL We{ ~ Records LR2-} ... INDEXED DALLAS _ ARCO CHEVRON STANDARD ALASKA PRODUCTION E]CXON TEXACO Dote: 04/12/87 TO: MOBIL T~: 77832 PHILLIPS STATE OF ALASKA GEOSCIENCES REFERENCE: SAPC CASED HOLE FINAL LOGS The following material Is being submi~ted herewith. Please acknowledge receipt by signing a copy of this letter and returning It to this office: ~ B-26 B-27 ~ c-35 "' F-17 "'~ F-17 '"~ G-30 ~--~ J-2 '"~ M-12 "'"'~ M-t 2 '"4 M_13 ~ R-9 ~ Y-22 ~ Y-23 Perf. Record 02/24/87 #1 11000-11238 Sch 5" Spinner/CFS 03/13/87 #1 10650-10900 Camco 5" Spinner/CFS 03/13/87 #1 9350-9580 GO 5" Spinner/CFS 04/06/87 #1 10800-11250 GO 5" DFT 04/06/87 #1 10700-11280 GO 5" Production Log(Spinner) 04/09/87 #1 9500-9755 Sch 5" Production Log(Spinner) 04/08/87 #1 9900-10270 Sch 5" Temp. 03/21/87 #1 9700-10200 GO 5" Spinner/CFS 03/21/87 #1 9700-10200 GO 5" Water Injection Survey 03/26/85 #1 9300-9647 Sch 5" Pump-in Temp. 03/11/87 #1 9000-9641 GO 5" Spinner/CFS 03/15/87 #1 11000-11340 GO 5" Spinner/CFS 03/15/87 #1 10900-11470 GO 5" DALLAS ARCO CHEVRON INDEXED EXXON TEXACO MOBIL PHILLIPS -. STATE OF ALASKA '- "-':'- ~ '' :' GEOSC IENCES STANDARD ALASKA PRODUCTION Date: 11/13/86 TO: TI: 77515 REFERENCE: SAPC CASED HOLE FINAL LOGS The following material Is being submitted herewith. Please acknowledge receipt by signing a copy of this letter and returning it to this offlce: - ~'~ A-29 Caliper 10/22/86 #1 2-10310 Camco 5" ~'~ B-8 Caliper 10/23/86 #1 18-8740 Camco 2" ~ B-24 Temp. 11/02/86 #1 5400-9728 Camco 5" ~ D-10 Caliper 10/24/86 #1 38-9789 Camco 2" ~ G-5 CH/CN-L(3 3/8") 06/14/86 #1 10300-11160 Sch 5" ~ G-19 CBL 06/23/86 #1 10226-11539 Sch 5" ~ G-19 CBT 06/26/86 #1 10100-11544 Sch 5" ~ H-21 CBT 06/06/86 #! 8750-9916 Sch 5" ~'~ H-25 Perf. Record 06/22/86 #1 950C~!0752 Sch 5" ~ J-1 Flowmeter 11/03/86 #1 8700-9!20 Camco 5" ~ M-14 EPL 09/04/86 #3 10250-10750 Sch 5" Q-7 CN-~. (3 3/8") 06/17/86 #3 !095C-12!52 Sch 5" ~ R-26A Temp. 10/20/86 #1 Surf-2000 Camco 2" "-d S-il Spinner 10/19/86 #- 9100-9650 Otis 5" ~ X-15 Caliper 10/26/86 #1 29-8855 Camco 2" ' ~ X-23 Collar 06/12/86 #1 10071-10190 Sch 5" '""-,..~" Y-23 CBL 06/22/86 #1 10005-11604 Sch 5" Victoria Aldridge I NFORHAT i ON CONTROL Wel I Records LR2-1 Standard Alaska Production Company 900 Eos! Benson Boulevu,~ P_O. Bo= 19661:2 Anchorage, Alaska 99319-66 [907! ~64-51 I I INDEXED DALLAS CHEVRON EXXON TEXACO Date: 11/05/86 TO: MOBIL TI: 77490 PHILLIPS STATE OF ALASKA GEOSC IENCES S'FANDARD ALASKA PRODUCTION REFERENCE:-' SAPC CASED HOLE FINAL LOGS The following material is being submitted herewith. Please acknowledge receipt by signing a copy of this letter and returning It to this office: - D-Ii Caliper 10/27/86 #1 29-9510 Camco 5" G-19 CET 06/27/86 #1 10330-11550 Sch 5" M-4 Perf. Record 05/25/86 #1 9370-11660 Sch 5" M-17 Perf. Record 06/01/86 #1 11000-1.1749 Sch 5" N-7 Packer Depth 05/21/86 #1 9400-10450 Sch 5" R-12 Perf. Record 06/03/86 #1 10400-10968 Sch 5" R-23 Perf. Depth Record 05/06/86 #1 11490-11900 Sch 5" U-12 Perf. Record 05/30/86 #1 10800-11100 Sch 5" X-5 CET/GR 05/10/86 #1 9468-10700 Sch 5" Y-20 GCT 06/21/86 #1 Surf-12107 Sch 5" Y-23 GCT 06/23/86 #1 -8-11566 Sch 5" Rece i ved Date ~'~'" -- Anchorage Iondord ~1 Co,npony d. ~,0. ,n 1870 Vict~ Aldridge I NFORMAT I ON CONTROL Wel I Rocords LR2-1 Standard Alaska Production Company 900 Eos! Benson Boulevor,. P.O. Box 196612 Anchorage. Ala,ko 995)9-6612 (907) 564-51 I I TO: DALLAS A~CO CHEVRON EXXON TEXACO MOBIL PHILLIPS STATE OF ALASKA GEOSCIENCES (Transmittal Only) INDEXED STANDARD ALASKA PRODUCTION Date: 11/03/86 Tt: 77484 REFERENCE: SAPC FINAL DATA - PRESSURE SURVEY DATA The following material Is being submitted herewith. Please acknowledge receipt by signing a copy of this le~-fer and retu~ning It to this office: _ '~ B-2 ~ C-29 ~ F-4 ~ H-20 ~ J-6 ~ M-5 "R-26A ~' R-27 "S-18 '- Y-23 Static Gradient 09/15/86 Camco " " 09/03/86 " " " 10/16/86 " " " 10/04/86 " " " 10/04/86 Otis " " 10/03/86 Camco " " 10/02/86 Otis " " 10/20/86 Camco " " 10/13/86 Camco " " 10/13/86 Camco " " 10/15/86 Camco Received Dai'e l 0 1986 dr ..... , ii ~Victoria~ id, Alaska 0il & Gas. Cons. Commiss'on ~NFOR~T~ON CONTROL ge ~n j~dlC~Orag8 WoII Records LR2-1 ~ounde(i ,n (~le~elo,,(I. (0~,o. ,n I1~70 Standard Alaska- Production Car 900 East Benson ,~vard P.O. Box 196612 Anchorage, Alaska 99519-6612 (907~ 561-5111 October 23, 1986 STANDARD ALASKA PRODUCTION Alaska 0il & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 Attention: Mr. C. V. Chatterton Well Y-23 (12-28-11-13) PBU Gentlemen: Enclosed, in duplicate, is Form 10-404, Report of Sundry Well Operations, for the above-named well. This contains our subsequent report of perforating the well. PFB:JAM'~~ Enclosures (4) cc: J. L. Haas (MB12-1) Well Records (LR2-1) w/10 Y-23 Well File Yours very truly, P. F. Bart:h, Supervisor Reservoi r/Production Surveillance Unit I A unit of the or,gina; Standard Oil Company Founded in Cle~e!and Ohio ,n 1870 STATE OF ALASKA AL, :A OIL AND GAS CONSERVATION CC:; 'ISSION REPORT' OF SUNDRY WELL OPERATIONS 1. Operations performed: Operation shutdown -- Stimulate ~ Plugging ~ Perforate 2. Pull tubing Alter Casing _- Other % 2. Name of Operator 5. Datum elevation (DF or KB) STANDARD ALASKA PRODUCTION COMPANY KBE = 88.81 Feet 3. Address 6. Unit or Property name P. O. BOX 196612, ANCHORAGE, ALASKA 99519-6612 Prudhoe Bay Unit 4. Location of well at surface 1372' SNL, 24' WEL, Sec. 33, TllN, R13E, UPM At top of-productive interval 2231' SNL, 997' EWL, Sec. 28, TllN, R13E, UPM At effective depth 1995' SNL, 887' EWL, Sec. 28, TllN, R13E, UPM At total depth 1964' SNL, 873' EWL, Sec. 28, TllN, R13E, UPM 7. Well number Y-23 (12-28-11-13) PBU 8. Approval number 355 9. APl number 50_029-21590 10. Pool Prudhoe Oil Pool 11. Present well condition summary Total depth: measured true vertical 11650 feet Plugs (measured) 9207 feet BKB Effective depth: measured true vertical 11606 feet Junk (measured) 9180 feet BKB Casing Length Structural -- Conductor 58' Surface 2765 ' Intermediate 10278 ' Production -- Liner 1597' Perforation depth: measured 11103' - 11141' 11259' - 11384' Size Cemented 20"x30" 8 cu.yds. 13 3/8" 3902 c.f. 9 5/8" 500 c.f. 7" 400 c.f. (Sag R.) (Ivishak) true vertical (subsea) 8752' - 8779' 8863' - 8948' Tubing (size, grade and measured depth) 3 1/2" L-80 EUE to 9972' with 2 7/8" tailpipe to 10084' Packers and SSSV (type and measured depth) 9 5/8" TIW packer at 9972'; 3 1/2" SSSV at 2096' Measured depth 110' 2817' 10330' 10053'-11650' True Vertical depth BKB 110' 2701' 8309' 8116'-9207 ' 12. Stimulation or cement squeeze summary Intervals treated (measured) Treatment description including volumes used and final pressure 13. Prior to well operation Subsequent to operation Representative Daily Average Production or Injection Data OiI-Bbl Gas-Mcf Water-Bbl Casing Pressure 3260 1796 20 0 Tubing Pressure __ 2O9 14. Attachments Daily Report of Well Operations Copies of Logs and Surveys Run ~_~ 15. I hereby certify that the foregoing is true and correct to the best of my knowledge Signed / / /~' Title Supvr. Res./Prod. Surveillance I Form 10-404 Rev. 12-1-85 Submit in Duplicate PERFORATING DATA - Well Y-23 (12-28-11-13) PBU 9/24/86 Pressure tested tubing and inner annulus. 10/9/86 Installed and tested lubricator to 3500 psi for all well work. Rigged up Schlumberger and perforated the following intervals for initial production using 2 1/8" Ultra-Jet HSC guns at 4 spf: 11103' - 11141' _MD (8752' - 8779' TVDss) 11259' - 11384' MD (8863' - 8948' TVDss) All depths are referenced to BHCS/GR, 6/17/86. Put well on production and tested. 10/13/86 Shut well in to prepare for initial static pressure survey. 10/15/86 Ran initial static pressure survey at 8800' TVDss. 10/18/86 Set and tested SSSV in ball valve nipple at 2096'. Well on production. 10/20/86 Standard Alaska - 'Production Compar~ 900 East Benson Bo .... P.O. Box 196612 Anchorage, Alaska 99519-6612 (907} 564-5111 August 22, 1986 ALASF-,A, or~r'DUC FI©N 1- p,, ._~ Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchqrage, Alaska 99501 ~ Well Y-23 (12-28-11-13) ~PBU Gentlemen: _ EncloSed, in triplicate, is Approvals, for the above-named perforate the well. Form 10-403, Application well. This contains our for Sundry proposal to PFB: JAM ~ Enclosures (g) cc: J. L. Haas (MB12-1) Y-23 Well File Yours very truly, P. F. Barth, Supervisor Reservoir/Production Surveillance Unit I A unit of the original Standard Oil Company Founded in Cleveland, Ohio, in 1870. . STATE OF ALASKA ALA ~ OIL AND GAS CONSERVATION COl' SSION APPLICAi'ION FOR SUNDRY APPROVALS 1. Type of Request: Abandon -- Suspend -- Operation Shutdown -- Re-enter suspended well - Alter casing '' Time extension _- Change approved program _- Plugging _--. Stimulate -- Pull tubing -- Amend order - Perforate x Other ' 2. Name of Operator 5. Datum elevation (DF or KB) STANDARD ALASKA PRODUCTION COMPANY KBE = 88.81 feet 3. Address 6. Unit or Property name P. O. BOX 196612, ANCHORAGE, ALASKA 99519-6612 Prudhoe Bay Unit 4. Location of well at surface 1372' SNL, 24' W-EL, Sec. 33, TllN, R13E, UPM At top of productive interval 2231' SNL, 997' EWL, Sec. At effective depth 1995' SNL, 887' EWL, Sec. At total depth 1964' SNL, 873' E~FL, Sec. 28, TllN, R13E, UPM 28, TllN, R13E, UPM 28, TllN, R13E, UPM 7. Well number Y-23 (12-28-11-13) PBU 8. Permit number 86-87 9. APl number 50-- 029-21590 10. Pool Prudhoe Oil Pool 11. Present well condition summary Total depth' measured true vertical 11650 feet Plugs (measured) 9207 feet BKB Effective depth: measured 11606 feet Junk (measured) true vertical 9180 feet BKB Casing Length Size Cemented Measured depth Structural -- Conductor. 58 ' 20"x30" 8 cu.yds. 110 ' Surface 2765' 13 3/8" 3902 c.f. 2817' Intermediate 10278' 9 5/8" 500 c.f. 10330' Production -- Liner 1597' 7" 400 c.f. 10053'-11650' Perforation depth: measured true vertical Tubing (size, grade and measured depth) 3 1/2" EUE to 9972' With 2 7/8" tailpipe to 10084' Packers and SSSV (type and measured depth) 9 5/8" TIW packer at 9972'~ 3 1/2" ball valve nipple at 2096' 12.Attachments True Vertical depth BKB 110' 2701 ' 8309' 8116' -9207' Description summary of proposal ~; Detailed operations program - BOP sketch k 13. Estimated date for commencing operation August/September 1986 14. If proposal was verbally approved Name of approver Date approved 15. I hereby certify_~that the for, e~oing is true and correct to the best of my knowledge ~nedP. /B/~ar h/~. ~ Title Supvr. Res/Prod. Surveillance I Commission Use Only Date Conditions of approval Approved by - Notify commission so representative may witness I Approval No. ~ Plug integrity ~ BOP Test ~ Location clearance ~,eturn~ Commissioner by order of the commission Date Form 10-403 Rev 12-1-85 Submit in triplicate Well Y-23 (12-28-11-13) PBU PERFORATING PROPOSAL We propose to perforate the following intervals for initial production during August/September 1986 at 4 spf: Sag R. Ivishak 11103' - 11141' MD (8681' - 8708' TVDss) 11259' - 11384' MD (8863' - 8948' TVDss) All depths are referenced to BHCS/GR, 6/17/86. A lubricator will be installed and teSted to 3500 psi for all well work. A SSSV will be set and ~tested in the ball valve nipple at 2096' j~ 8/18/86 .... i. ~-i:i ~i' :., ' FLOW TUBES & PACKOFF BOWEN PAL;KOFF ~ ]"~--' HAND GREASE SEAL FLOWTUBE PUMP FLOWLINE GREASE LINE FLOWLINE VALVE GREASE /r MANIFOLD GREASE PUMP RISER .-~. GREASE RESERVOIR BOP Sohio Daily Drilling Report -- PBU June l, 1986 at 0600 hours Rig' AUDI #2 Well' Y-23 /12-28-11-13) AFE # 120467 0600 Depth' 250' Day' -1 24-Hour Ftg' 250' Water Used' 500 Current Operation' Drilling. Accept rig on Y-23 at 2000 hrs. 5/31/86. Spud Y-23 at 0400 hrs. 6/1/86. Drilling at 250'. MUD TYPE-Spud WT:8.8 VIS-300 PV:O YP-O FL-O SOLIDS-O TEMP-°F SURVEY MD ANGLE DIRECTION TVD' SECTION ~OORDINATES DLS 0576H' Sohio Daily Drilling Report -- PBU June 2, 1986 at 0600 hours Rig' AUDI #2 Well' Y-23 (12-28-11-13) AFE # 120467 Current Operation- Dyna-Drilling. Drill to 610' BHA. Dynadrii 1 0600 Depth' 2175' Day: 1 24-Hour Ft9' 1925' Water Used- 500 Trip for bit. Drill to 1200' Trip for bit and to 1870'. Trip for bit. Dyna'drilling at 2175'. MUD TYPE-Spud WT-9.0 VIS-200 PV'll YP:43 FL'17.6 SOLIDS'9.5 TEMP-47°F SURVEY 'MD ANGLE DIRECTION TVD SECTION COORDINATES 131 7 2.5 N50.8W 1317 3 2 2 1506 7.5 N45.5W 1505 19 13 14 1696 11.8 N49.7W 1692 51 34 38 1885 16.9 N45.2W 1845 97 66 72 2074 21 j6 N46~ 5W 2054 159 109 ll7 DLS 2.1 2.6 2.3 2.7 2.5 0576H' AlasKa 0i~ G GaS Co~s. Gom~ssiO~ Sohio Daily Drilling Report -- PI~U ,June 3, 1986 at 0600 hours Rig: AUDI #2 Well: Y-23 (12-28-11-13) AFE # 120467 0600 Depth: 2830' Day: 2 24-Hour Ftg: O' Water Used: 1.500 Current Operation: Nipple up BOP's. Dynadrill to 2598'. Trip for BHA. Drill to 2830': Short trip. CBU: POH. Ran 13-3/8" casing to 2817 and cemented with 4196 sks Permafrost. ~:~J wellhead and BOPE. MUD TYPE-Spud WT:9.0 VIS:144 PV:IO YP:41 FL:16 SOLIDS:9.5 TEMP:47°F SURVEY MD ANGLE DIRECTION TVD SECTION COORDINATES DLS 6 2263 25:9 N44:4W 2227 235 162 17l 2.3 7 2452 28:4 N48W 2395 321 222 233 1 . 6 8 2642 32:5 N49W 2559 417 286 306 2:2 9 2803 39~2 N46~SW 2689 510 349 375 4.2 0576H: Sohio Daily Drilling Report -- PBU June 4, 1986 at 0600 hours Rig- AUDI #2 Well- Y-23 (12-28-11-13) AFE # 120467 0600 Depth' 3838' Day' 3 24-Hour Ftg' 1008' Water Used: 1900 Current Operation- POH w/Bit #7. NU and test BOPEJ RIH and drill FC. Test casing to 3000 psi' Drill to 2773 and ran FIT to .61 psi/ft. Drill to 3087" Trip for bit and BHA Drill to 3838'. POH. MUD TYPE-L.S.N.D. WT'9.4 VIS:36 PV-6 YP'12 FL'20 SOLIDS'8 TEMP'68°F SURVEY , MD Ah~LE DIRECTION TVD SECTION COORDINATES DI'S 10 294l 40.5 N48W 2795 598 409 440 ll 3065 42.3 N47~ 6W 2888 680 464 501 12 3418 43.1 N46~ 2W 3148 918 628 676 13 3796 41.7 h~5: 8W 3427 1173 805 859 1~2 1~5 ~3 ;4 0576H' Sohio Daily Drilling Report -- PBU June 5, 1986 at 0600 hours Rig: AUDI #2 Well: Y-23 (12-28-11-13~ AFE # 120467 Current Operation: 0600 Depth: 6258' Day: 4 24-Hour Ftg: 2420' Water Used: 1400 Drilling. RIH and ream 3521 to 3838'. Trip for bit and new Teleco tool~ Ream 4000 to 4718'. Drilling at 6258'. MUD TYPE-LS~ WT:9.5 VIS:36 PV:7 YP:7 FL:lO.8 SOLIDS:9 TEMP:73°F SURVEY MD ANGLE DIRECTION TVD SECTION COORDINATES DLS 14 41 75 42.4 N46.5W 3708 1426 981 1942 $ 2 15 4614 42 N44~SW 4033 1720 1187 1252 $3 16 5194 41 . 1 N44~ 4W 4467 2104 1462 1521 ~ 2 17 5500 41.2 N43.7W 4697 2305 1606 1661 ~ 1 18 5913 43.4 N43 ~ 7W 5003 2583 1808 1853 ~ 5 05 76H: Sohio Daily Flrilling Report -- PBU June 6, 1986 at 0600 hours Rig' AUDI #2 Well' Y-23 ~12-28-11-13) AFE # 120467 0600 Depth- 7266' Day- 5 24-Hour Ftg: 1008' Water Used- 1500 Current Operation- Drilling w/Bit #11. Drill to 6391'. Trip for bit and BHA. bit. Drilling at 7266'. Drill to 6862'. Trip for MUD TYPE-DISP WT'9.7 VIS:44 PV-IO YP-12 FL'5.8 SOl. IDS'lO TEMP'70°F SURVEY MD ANGLE DIRECTION TVD SECTION COORDINATES DLS lO09H- Rig: AUDI #2 Well: Y-23 (12-28-11-13) Sohio Daily Dril ling Report -- PBU June 7, 1986 at 0600 hours AFE # 120467 0600 Depth: 8172' Day: 6 24-Hour Ftg: 906' ~/ater Used: 1800 Current Operation: RIH w/Bit #13. Drill to 7515'. Trip for bit and BHA. Drill to 8172'. Trip for bit. MUD TYPE-DISP WT:9.9 VIS:39 PV:14 YP:7 FL:5.2 SOLIDS:lO TEMP:86°F SURVEY MD ANGLE DIRECTION TVD SECTION COORDINATES DLS 21 7001 44;7 N43W 5789 3335 2361 2363 .6 22 7284 43;8 N42.7W 5992 3532 2506 2497 .3 23 7473 42;9 N41.3W 6129 3662 2602 2584 .9 24 7851 42;7 N38.8W 6407 3919 2799 2749 .4 25 8135 42;1 N36~7W 6617 4110 2950 2866 .5 lO09H: Sohio Daily Drilling Report -- PBU June 8, 1986 at 0600 hours Rig: AUDI #2 Well: Y-23 (12-28-11-13) AFE # 120467 Current Operation: Drill to 9023'. 0600 Depth: 9461' Day: 7 24-Hour Ftg: 1289" Water Used: 1500 Trip for bit and BHA. Drilling at 9461'. MUD TYPE-DISP WT:9~9 VIS:39 PV:ll YP:5 FL:5.2 SOLIDS:lO TEMP:82°F SURVEY MD ANGLE DIRECTION TVD SECTION COORDINATES DLS 26 8324 41~7 N38~lW 6757 4236 3051 2943 27 8703 39~9 N36.4W 7044 4483 3248 3093 28 8892 38~4 N36W 7191 4601 3346 3161 29 9180 37~1 ~7~4W 7418 4777 3486 3269 .5 .6 1.1 .5 lO09H: Rig: AUDI #2 Well: Y-23 ~12-28-11-13) Sohio Daily Drillin9 Report -- PBU June 9, 1986 at 0600 hours AFE # 120467 0600 Depth: 10056' Day: 8 24-Hour Ftg: 595' Water Used: 1300 Current Operation: Drilling w/ Bit #16. Drill to 9663'. Trip for bit. Ream 8787' to 9087'. Drill to 9723'~ Lost pump pressure. POH. Found jet washout. RIH. Drilling at 10056'. MUD TYPE-DISP WT:9.9 VIS:40 PV:12 YP:8 FL:5.2 SOLIDS:lO TEMP:82°F SURVEY MD ANGLE DIRECTION TVD SECTION COORDINATES DLS 30 9465 37;5 N35;6W 7645 4949 3624 3372 .4 31 9937 43~ 3 N30~ 7W 8004 5251 3881 3538 1 . 4 lO09H: Sohio Daily Drilling Report -- PBU June lO, 1986 at 0600 hours Rig: AUDI #2 Well: Y-23 112-28-11-13) AFE # 120467 0600 Depth: 10515' Day: 9 24-Hour Ftg: 459' Water Used: 1200 Current Operation: DrillingJ Drill to 10~056" Trip for bit and BHA. Drill to 10~135" POH looking for washout. Found 2 bit jets washed out' Drilling at 10;515' MUD TYPE-DISP WT:IOjO VIS:38 PV:9 YP:7 FL:5.6 SOLIDS:lO.5 TEMP:84°F SURVEY 'MD ANGLE DIRECTION TVD SECTION COORDINATES'" DLS 32 10316 46 ~ 2 N27 j 9W 8274 5512 4113 3668 j 9 lO09H: Rig: AUDI #2 Well' Y-23 (12-28-11-13 ) Sohio Daily Drilling Report -- PBU June l l, 1986 at 0600 hours AFE # 120467 Current Operation: 0600 Depth: 11108' Day: l0 24-Hour Ftg: 593' Water Used: 1300 Drill to 10~632'. Trip for bit. Drill to 12-1/4" TD at 11,108'. MUD TYPE-DISP WT:9~95 VIS:37 PV:ll YP:5 FL:6.0 SOLIDS:lO.3 TEMP:93°F SURVEY MD ANGLE DIRECTION TVD SECTION COORDINATES 33 10594 47~5 N26:gw 8464 5708 N4294 W3762 34 10883 46 ~ 8 N25 ~ 4W 8661 5912 N4485 W3854 lO09H: DLS Sohio Daily Drilling Report -- June 12, 1986 at 0600 hours Rig: AUDI #2 Well: Y-23 (12-28-11-13) AFE # 120467 0600 Depth: ll,108' Day: ll 24-Hour Ft§: ' Water Used: 1200 Current Operation: P~B.U$ Short trip~ CBU. Lost pump pressure. POH. Found washout in stabilizer. RIH and ream from 10,958 to TD. POH. Prepare to run 9-5/8" casin§. MUD TYPE-DISP WT:IO~O VIS:40 PV:12 YP:6 FL:5.6 SOLIDS:lO.5 TEMP:°F SURVEY MD ANGLE DIRECTION TVD SECTION COORDInaTES DLS lO09H: Sohio Daily Drilling Report -- PBU June 13, 1986 at 0600 hours Rig: AUDI #2 Well: Y-23 (12-28-11-13) AFE # 120467 0600 Depth: ll,108' Day: 12 24-Hour Ftg: ' Water Used: Current Operation: L/D BHA and move HWDP. Ran 9-5/8" casing and stuck at 10,330'. Could not circulate. Set emergency slips. Installed and tested pack off. Changed rams and LD BHA~ Perforate from lO,191 to 10,194'. MUD TYPE-DISP WT:lOjl VIS:50 · PV:22 YP:16 FL:5.2 SOLIDS:lO.5 TEMP:°F SURVEY MD A)~LE DIRECTION TVD SECTION COORDINATES DLS 35 11071 45 N20j 5W 8789 6041 N461 2 W3906 1 . 5 lO09H: Sohio Daily Drilling Report -- PF~U June 14, 1986 at 0600 hours Rig: AUDI #2 Well: Y-23 /12-28-11-13) AFE # 120467 0600 Depth: 11,108' Day: 13 24-Hour Ftg' ' Water Used: 600 Current Operation: Drilling E-Z Drill. Ran cement retainer and set at lO,140'. Cemented with 500 sks Class G. POH. Test BOPE. RIH. Drilling cement retainer. MUD TYPE-DISP WT:lO.1 VIS:48 PV:20 YP:12 FL:5,2 SOLIDS:lO.5 TEMP:85°F SURVEY MD ANGLE DIRECTION TVD SECTION COORDINATES DLS 1009H: Rig.' AUDI #2 Well: Y-23 (12-28-11-13) Sohio Daily Drilling Report -- PBU June 15, 1986 at 0600 hours AFE # 120467 0600 Depth: 11,108' Day: 14 24-Hour Ft9: ° Water Used: 800 Current Operation: Reaming 12-1/4" hole. Drill cement retainer. Test casing to 2500 psi. Trip for bit and BHA. Drill FC and FS. Ream and wash rat hole. MUD TYPE-DISP WT'9.9 VIS'52 PV'26 YP'18 FL'6.0 SOLIDS' TEMP'90°F SURVEY MD ANGLE DIRECTION TVD SECTIOn,~ COORDInaTES DLS IO09H: Rig: AUDI #2 Well: Y-23 (12-28-11-13) Sohio Daily Drilling Report -- PBII June 16, 1986 at 0600 ~lours AFE # 120467 0600 Depth: 11,245' Day: 15 24-Hour Ftg: 137' Water Used: 800 Current Operation: Drilling. Ream rat hole. Short trip. Trip for bit and BHA. Drilling at 11~245'. MUD TYPE-DISP WT:IO.9 VIS:42 PV:9 YP:IO FL:6 SOLIDS:lO.5 TEMP:92°F SURVEY MD ANGLE DIRECTION TVD SECTION COORDINATES DLS IO09H: Rig: AUDI #2 Well: Y-23 (12-28-11-13) Sohio Daily Drilling Report -- PBU June t7, 1986 at 0600 hours AFE # 120467 0600 Depth: 11,650' Day: 16 24-Hour Ftg: 405' Water Used: 700 Current Operation: RIH (Cleanout for Liner). Drilled to TD of 11,650'. Logged hole. RIH to clean out for liner. MUD TYPE-DISP WT:9~8 VIS:40 PV:12 YP:6 FL:5.8 SOLIDS:lO TEMP: 94°F SURVEY MD A~LE DIRECTION TVD SECTION COORDINATES DLS lO09H: Sohio Daily Drilling Report -- PBU June 18, 1986 at 0600 hours Rig: AUDI #2 Well: Y-23 (12-28-11-13) AFE # 120467 0600 Depth: ' Day: 17 24-Hour Fta: ' .. Water Used: 600 Current Operation: Cement 7" liner. Made wiper trip. Ran 7" liner from 10,043' to 11,650'. Cementing liner. MUD TYPE-DISP WT:9.8 VIS:43 PV:12 YP:8 FL:5.8 SOLIDS:lO TEMP:89°F SURVEY MD ANGLE DIRECTION TVD SECTION COORDINATES DLS lO09H: Rig: AUDI #2 Well: Y-23 /12-28-11-13) Sohio Daily Drilling Report -- PBU June 19, 1986 at 0600 hours AFE # 120467 0600 Depth: 11,650' Day: 18 24-Hour Ftg: ' Water Used: 600 Current Operation: PBU. Cemented 7" liner with 425 sks Class G. Rotating liner hanger failed to set. POH with 7" liner. RIH and clean out cement from 10,325 to 11,064'. MUD TYPE-DISP WT:9.9 VIS:42 PV:21 YP:IO FL:8.0 SOLIDS:lO.5 TEMP: °F SURVEY MD ANGLE DIRECTION TVD SECTION COORDINATES DLS lO09H: SAPC Daily Drilling Report -- PBU June 20, 1986 at 0600 hours Rig: AUDI #2 Well: Y-23 (12-28-11-13) AFE # 120467 0600 Depth: 11,650' Day: 19 ~ 24-Hour Ftg: ' Water Used: 200 Current Operation: Wash to Bottom. Clean out cement to 11~590'. Stuck pipe. Spot pill. Condition mud: Wash and ream hole. POH to shoe: MUD TYPE-DISP WT:9.6 VIS:62 PV:16 YP:24 FL:6 SOLIDS:Il TEMP:76°F SURVEY MD ANGLE DIRECTION TVD SECTION COORDINATES · DLS 1009H: SAPC Daily Drilling Report -- PBU June 21, 1986 at 0600 hours Rig' AUDI #2 Well' Y-23 (12-28-11-131 AFE # 120467 0600 Depth' ' Day: 20 24-Hour Ftg' ' Water Used' 200 Current Operation' POH w/ liner hanger. Clean out cement to 11,650'. Short trip. POH. Ran 7" liner from 11,650' to 10,053' and cemented with 340 sks Class G. POH. MUD TYPE-DISP WT:9.7 VIS:45 PV'12 YP-IO FL:6 SOLIDS'Il T£MP'78°F SURVEY MD ANGLE DIRECTION TVD SECTION ,,, COORDINATES DLS 1009H' SAPC Daily Drilling Report -- PBU June 22, 1986 at 0600 hours Rig: AUDI #2 Well: Y-23 {12-28-11-13) AFE # 120467 0600 Depth: 11,606' Day: 21 24-Hour Ftg: ' Water Used: 500 Current Operation: Circ and clean pits. POH. RIH and tag TOL. CBU. POH. RIH with 6" bit. Test lap to 3000 psi. Clean out cement to FC. CBU. MUD TYPE-DISP WT:9.7 VIS:36 PV:7 YP:4 FL:2.0 SOLIDS:lO TEMP:74°F SURVEY MD ANGLE DIRECTION TVD SECTION COORDINATES DLS lO09H: SAPC Daily Drilling Report -- PBU June 23, 1986 at 0600 hours Rig: AUDI #2 Well: Y-23 (12-28-11-13) AFE # 120467 0600 Depth: 11,606' Day: 22 24-Hour Ftg: ' Water Used: 1800 Current Operation: Rig up Schlumberger. Displace hole wi th 9.6 NaC1. Test liner to 3000 psi. Ran CBL log and gyro survey. MUD TYPE-NACL WT:9.6 VIS: PV: YP: FL: SOLIDS: TEMP:°F SURVEY MD ANGLE DIRECTION TVD SECTION COORDINATES DLS , . lO09H: SAPC Daily Drilling Report -- PBU June 24, 1986 at 0600 hours Rig: AUDI #2 Well: Y-23 (12-28-11-13) AFE # 120467 0600 Depth: 11,606' ?~ Day: 23 24-Hour Ftg: ' Water Used: 400 Current Operation: Setting packer. Ran 3-1/2" tubing; NU and test tree to 5000 psi. Displaced tubing to diesel. Shear out sub sheared before packer set. RU Otis to set plug in X nipple. Downsqueezed annulus with 300 sks Permafrost followed by 125 bbls dry crude. MUD TYPE-NaC1 WT:9.6 VIS:26 PV: YP: FL: SOLIDS: TEMP:°F SURVEY MD ANGLE DIRECTION TVD SECTION COORDINATES DLS lO09H: SAPC Daily Drilling Report -- PBU June 25, 1986 at 0600 hours Rig: AUDI #2 Well: Y-23 (12-28-11-13) AFE # 120467 0600 Depth: 11,606' Day: 23 24-Hour Ftg: ' Water Used: Current Operation: Moving Rig. Set packer and tested to 3500 psi. Release rig at 1000 hours 6/24/86. MUD TYPE- WT: VIS: PV: YP: FL: SOLIDS: TEMP:°F SURVEY MD ANGLE DIRECTION TVD SECTION COORDINATES DLS lO09H: Slandard Alaska Produclion Compon, 900 Fosl Benson Bo~_ P.O Box 196612 Anchoroge. Alosko 99519-6612 (907) 564-51 I I INDEXED DALLAS ARCO CHEVRON EXXON TO: TEXACO MARATHON MOBIL PHILLIPS STATE OF ALASKA GEOSCIENCES REFERENCE: STANDARD ALASKA PRODUC l ION Date: 07/17/86 T#: 77190 SAPC OPEN HOLE FINAL LOGS The following materlal Is being submitted herewlth. signing a copy of this letter and returning It to this office: Please acknowledge receipt by DAL./UNIT/STATE: Y-23 DIL/SFL 06/17/86 //1 10326-11652 Sch 5" & 2" Y-23 BHCS 06/17/86 ¥/1 10326-] 1622 Sch 5" & 2" STATE ONLY: DIRECTIONAL SURVEYS Magnetic Single Shot Directional Survey Da ce' l-!&-?(o Jobt!: ~£ 6%6 D:z/ Gyroscopic Dire~'~ion.a~./~hrvev ..... Date: 06/23/86 JobJJ:71558 Sch · eleco [~ i~[F~ ~ ~/ F/D'/) -./Date- 06/12/86 Job~: 502 TAK ~~d k,,~ ~__~.~ /5~'".,'" ~ Victoria Aldridge LR2-1 Date , '~ Wel I Records LR2-1 {. ~aska 0~1 & Gas Cons. Commission Io,,,,H~.d .. (1~-.~1o,,(~ ~ I~(I '' ~-' OITIGI STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION tJ~,vlMISSlON WELL COMPLETION OR RECOMPLETION REPORT AND LOG 1. Status of Well Classification of Service Well OIL [~ GAS [] SUSPENDED [] ABANDONED [] SERVICE [] 2. Name of Operator 7. Permit Number Standard Alaska Production Company 86-87 3. Address 8. APl Number P. O. :Bo>: 196612 Anchorage, Alaska 99519-6612 5O-029-21590 4. Location of well at surface LOCATIONST' 9. Unit or Lease Name 1372' SNL, 24' WEL, Sec. 33, TllN, R13E, UM VERIFIED__. Prudhoe Bay Unit 10. Well Number At Top Producing Interval '.Sur~.\ 2231' SNL, 4283' WEL, Sec. 28, TllN, R13E, UM t~ H_, ~ ' Y-23(12-28-11-13) At Total Depth~ 'i 1. Field and Pool 1964' SNL, 4407' WEL, Sec. 28, TllN, R13E, OM Prudhoe Bay Field 5. Elevation in feet (indicate KB, DF, etc.) I 6. Lease Designation and Serial No. Prudhoe Bay Oil Pool KBE = 88.81'I ADL 28287 ' 12. Date Spudded 13. Date T.D. Reached 14. Date Comp., Susp. or Aband. I 15. Water Depth, if offshore 16. No. of Completions 6-01-86 6-17-86 6-24-86] N/A feet MSL one 17. Total Depth (MD+TVD) 18.PlugBackDepth(MD+TVD) 19. Directional Survey I 20. Depth where SSSV set 21. Thickness of Permafrost 11650 ' MD 9207 ' TVD 11606 ' MD 9180 ' TV])YES [] NO []I 2096 feet MD 2047 ' TVD BKB 22. Type Electric or Other Logs Run DIL/SFL, BHCS 23. CASING, LINER AND CEMENTING RECORD SETTING DEPTH MD CASING SIZE WT. PER FT. GRADE TOP BOTTOM HOLESlZE CEMENTING RECORD AMOUNT PULLED 20" Condtctor Surface 110.' 26" 8 cu yds. concrete 13-3/8" 72# L-80 Surface 2817' 17~." 3902 cu. ft. Permaf]:ost 9-5/8" 47# L-80NSCC Surface 4643 ' 12%" 9-5/8" 47~ L-80Butt 4643' 10328' 12%" 500 sx. Class Gw/i%(',FR-2, .12% HR-7 7" 26# L-80~C4S 10053' 11650' 8%" 400 cu. ft. Class Gvr/.05% Halad 344 + 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) 3~" 10085 'MD 9973 'MD 26. ACID, FRACTURE, CEMENT SQUEEZE, ETC. DEPTH INTERVAL (MD) AMOUNT& KIND OF MATERIAL USED 27. PRODUCTION TEST Date First Production 1 Method of Operation (Flowing, gas lift, etc.) I .. Date of Test Hours Tested PRODUCTION FOR OIL-BBL GAS-MCF WATER-BBL CHOKE SIZE IGAS-OILRATIO TEST PERIOD I~ I Flow Tubing Casing Pressure CALCULATED OIL-BBL GAS-MCF WATER~BBL OIL GRAVITY-APl (corr) Press. 24-HOUR RATE I~ 28. CORE DATA Brief description of lithology, porosity, fractures, apparent dips a'nd presence of oil, gas or water. Submit core chips. RECEIVED J u L 2 4 1986 Alaska 0il & Gas 00ns. 60mmissi0f~ Anchorage LWL Form 10-407 Submit in duplicate Rev. 7-1-80 CONTINUED ON REVERSE SIDE 29. ( ! 30. ' ' {.. j , ,,," GEOLOGIC MARKERS ' ~-~,'~MATION TESTS NAME Include interval tested, pressure data, all fluids recovered and gravity, MEAS. DEPTH TRUE VERT. DEPTH GOR, and time of each phase. Sag 11103' 8841' Shublik A 11141' 8868' Zone 4 11259' 8951' · (Top Ivishak/ {adlerochit~) 31. LIST OF ATTACHMENTS 32. I hereby certify that the foregoing is true and correct to the best of my knowledge Division Drilling 7/~ Signed ~)-~. ~,~L~. Title Enqineer 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- lng 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 GREAT LAND DIRECTIONAL DRILLING INC, REF'ORT OF SUB--SURFACE DIRECTIONAl. SlJRVEY S]'ANDARD OIL PRODUCTION COMPANY C fi i':! i':, A ~'.~ ".," . Y ....PAl} t,.JEt_l._ NO. 2S ..... :...,.,, ~ ................................................................................................................................... ............... ........................ | 1~'"i I ~',. ¢,il;:.i .~... , Ji":'l .~:... J u L 2 4 198ti PRUDt40E DAY ............................................................................................................... : I1 ?B,:;',B""O'~Y"6' '6 ~ $'" 6'01'15;,' '6t)1'l"11~ $~'~' 4: t... 0 C.. ,'.% T :r. ..:.,'; i.4. Anchora~n~ AL686D21 f'tWD 8; SINGLE SHOT 6-16-86 ,..! 0 i!!', ~-.!~ ~"'" :' ...,,..,: -.,. _. '~- I) A T Ii!' · .,_:,, ~.'.: E Iq "i" Y P Iii; .:-:. i~:, ~ ~: ...... I...YNN HENSLEY DIRECTIONAL SIJPERVISOR_--"¢I~-'~------ .............................................................................................................................................................................................. i".l ~':':'.., f'.'-! ,~!: 'l" :1: "f' !... Ii..'; '.:!'¢ I !}) i'! A 'f'lJ I:;: 1S17 FT :1.1071 FT ............................................................................................................................................................................................... i'",i::'c'"l-;-.l 'i' N',"r"i:::~i * ~ ............. · ,, n .... I::' I:;: (:)I"i 'i- 0 5-50..-86 ,6--11-85 ............................................................................................................................................................................. D A-!'I:!; '.-;; U R V E Y 'I' ;-":'~ Y. I}!: i"..I I': R 0 ["i '1'0 THIS IS A RECORD OF A SUB--SURFACE SURVEY OF YOUR WELl_ . t.,.IE HAVE RETAINED A COPY OF YOUR SURVEY REPORT IN OUR FILES FOR YOUR CONVENIENCE; HOWEVER, SHOULD YOU SO DFSIRE, ALL COPIES OF THEE SURVEY REF'ORT WILL BE F.r.)I-';,'WARDE:D TO YOU ON WRITTEN REQUEST. ALL SURVEYS Al:RE KEI::'T IN A LOCKED t..':'IL.E AND ARE HELD IN STRICTEST CO NF :r. DENC E. 75O t500 2250 3000 3750 45O0 5250 8000 6750 7500 8250 9000 9750 to~Oo it250 12000 12750 i3500 -750 VERTICAL SECTION ...... I ' ' STANDARD ALASKA PRODUCTION COMP~ _ , ~ Y-23 J SECTION AT N 41,80 W A-- JCOHPUTED BY RADIUS OF CURVATURE .... :- ' tSCALE: i inch = t500 feet . JDRAWN: 6-16-86 ~ken Identification ~ ~ ~ K~ t200 t200 B! ~ tt07i ~9! 604( ~ , ...... "" '! '-''i ~ ' ' · , I .- .......... I : ........ · .... _ . , .. .. ! [ ............ ! · 0 750 1500 2250 3000 3750 4500 5250 6000 6750 7500 8250 Departure 85OO 6000 5500 5000 ;4500 :4000 3500 3000. 2500 ~pken Ident~ficatton B) T~ ~o T~ D~RT ~200 t200 0 !i07i B79i 6040 HORIZONTAL VIEW STANDARD ALASKA PRODUCTION COMPA Y-23 CLOSURE: 6042 ft N 40.3 ~ DECLINATION: 3i.50 deg E SCALE: i inch = lO00 feet BRAWN: 6-i6-B6 2000 i500 tO00 500 ~Oo 5500 5000 4500 I , 4000 3500 3000 2500 2000 1500 t000 500 0 500 1:'I:;,'OI3LJCT I [.]IN.- COFIF:'ANY ........ 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I':II::".A D :: ,: :~. o o o' 9 :~. ~. o. o o ':'::'.' 0:": 0 ~" .. 1985. 1896 <? 1, '0.2 N ' .::.. :,'~ 8 "~ 0'7' ~:~840 ~:~7~:;J. 41:~. :1.6 N 468.94 S579 S490 899.68 N 957.,0'2 4 S22 4'2 S S 1370 ' '''~ 6000 , :: 066 49 '77 7000 ~:i7.89 5700 8000 6~; 1'7 6428 9000 7:276 7.187 0000 80:'~'-() 796:1... i 1000 '~d-/,x : ' ...,,.. .., · .. -. - . .- .- ~:¢ ---.., ............ ~ :- ..... : ..... ":':--:" ' .... . ..... :'- ' . '....::~_~.Z::i:b~::::- ~ - · .... - ..: -.~ ._ .,_ ....... .... : .-.:,,:....:' . :::,.,,,: ........ ==========================:-.: '::. .. .. '.: :.:.:=,'.:.., ;.:. .... ...,:.,.:.-. ......... :~.,,~::;;.::. :'. - · . : . . . · ~. ,. ~ . .~. ¥,,,-.. . "') .'z, ~'.:~ <.? ,'9,,:. ~:. ,.~,...., ,.~ ....... ~'Y W i~876 ;~ 1.110 ,sO,."W :"- - 3397.08 N'.? 1~:i W ....... - ;i..~':- . ,]' .?. , ..~.. .. ~., . . ' ,. ~ :. "t:', .i~ '~ :.,- · --- ..... "' ', .... ...,""~:'~::> ii.:':'?:i'i::~.: ~..,.~.~,.,?.. ,.., .. .... ': ~" v..,r.. ' . - ~ - ..'" .C~ -. '~: ,~. . - ~ ~ .? - · - ,~.~ _ .- . . · ...:':y:,~:~:~.~ :::::'- .. - .... ..,~.~.. ~.. .. -.:5,<:~': ..~: ~}::: ~: · . " - .... -.~,:~... v" .:::.~'.,::,:..::,: .:-,. ' . ~ · - , ',- ..... .:::~:-..::.::..~,.:. , , -: :.. ...~ . . - :. ~, . , ' . .- - . .:.,~..,?.~r:... ,.:.:-. , -:' . . ,.. . .: ..- - . - - . . ' ' -::':,~::Y.:':~:::.':;:"/':-'-- - '. ' '"' ''"?:":?:"' '"' . L.- .... .. . '- ' A:':.:::?:3:' ':'?': ..':.- ' ' . .... :' -...:.:_...,.:~,_>~..::: '~:- . ., .......:. . . . .. ':-:.. :-?.-::-::?..:., - .~ . ..:'.-. -..-....-:::,?'..---' :.... ............. .,_ _ .- . _.._ :...- ..'?...::' . . . :. . .~ . . .- ._ : . 1~,. . . .:.1 ,:.~'_ . .,' . : . -.. · .. .. ,.::.: :?h.::~ .~:'. . _ .... .....· :;:i.'-..,'" :"...-"::.:.?...: ~TELECD Teleco Oilfield S, ~,s of Alaska Inc. ~o~u~m~ 611 6 Nielson Wa~ Anchorage, AK 99502 (907) 562-2646 June 12, 1986 JOB # 5O2 TAK STANDARD ALASKA PRODUCTION CO. WELL: Y-23 PRUDHOE BAY UNIT RIG: AUD #2 Please find attached a copy of the computer calculated MWD directional surveys for the above mentioned well. We at Teleco appreciate this opportunity to provide service to Standard Alaska Production Company. Te]eco is committed to providing the highest quality of service and we would welcome any comments or questions concerning these surveys or any of our other services. Sincerely, Pat Havard Field Service Supervisor PH / e l Enclosures A ,~P,,,li~'r COMPANY Date 06/12/86 TELECO OILFIELD SERVICES JOB 502 SURVEY CALCULATIONS Page Company: Well: Location: Rig: STANDARD ALASKA PROD. Y-23 PRUDHOE BAY UNIT AUD # 2 CO. TELECO Job # 502 TAK Grid Correction: Magnetic Declination: Total Correction: Proposed Direction: 0.00 degrees 31.50 degrees 31.50 degrees 318.20 degrees RADIUS OF CURVATURE CALCULATION MEAS DIRECTION TRUE VERTICAL COORDINATES CLOSURE DOG LEG DEPTH INCL AZIMUTH BEARING VERT DEPTH SECTION N/S E/W DIST ANGLE SEVERITY feet deg deg deg/min feet feet feet feet feet deg deg/100' **************************************************************************************************** EECEIVED ~00.00 0.0 3U~2% l~f~ 48 ~ ~.00.00 0.00 0.00~ o. 00~, o. oo ~ 90.000~, o. 000 Alaska Oil & Gas Cons. commiss{'~? MWD Anchorsge 1317.00 2.5 309.2 N 50 48 W 1316.96 2.52 1.61N 1.97W 2.55 N 50.800W 2.137 TIE-IN TO VERTICAL 1696.00 11.8 310.3 N 49 42 W 1692.45 50.55 34.06N 37.74W 50.84 N 47.939W 2.292 1885.00 16.9 314.2 N 45 48 W 1875.49 97.11 65.54N 72.40W 97.66 N 47.848W 2.745 2074.00 21.6 313.5 N 46 30 W 2053.87 159.23 108.69N 117.32W 159.93 N 47.187W 2.490 1506.00 7.5 314.5 N 45 30 W 1505.18 18.88 12.59N 14.24W 19.01 N 48.506W 2.654 TELECO Job # 502 TAK 06/12/86 Page 2 MEAS DIRECTION TRUE VERTICAL COORDINATES CLOSURE DOG LEG DEPTH INCL AZIMUTH BEARING VERT DEPTH SECTION N/S E/W DIST ANGLE SEVERITY feet deg deg deg/min feet feet feet feet feet deg deg/100' **************************************************************************************************** 2263.00 25.9 315.6 N 44 24 W 2226.83 235.17 162.08N 171.55W 236.01 N 46.627W 2.318 2452.00 28.4 312.0 N 48 00 W 2394.99 321.14 221.76N 233.78W 322.23 N 46.513W 1.582 2642.00 32.5 311.0 N 49 00 W 2558.75 416.75 285.54N 305.89W 418.45 N 46.970W 2.174 2803.00 39.2 313.5 N 46 30 W 2689.17 510.47 348.90N 375.64W 512.68 N 47.113W 4.259 2941.00 40.5 312.0 N 48 00 W 2795.11 598.50 408.92N 440.57W 601.10 N 47.133W 1.172 3065.00 42.3 312.4 N 47 36 W 2888.12 680.05 464.00N 501.31W 683.09 N 47.213W 1.467 3418.00 43.1 313.8 N 46 12 W 3147.55 918.48 627.57N 576.10W 922.47 N 47.132W 0.352 3796.00 41.7 314.2 N 45 48 W 3426.68 1172.67 804.62N 859.44W 1177.31 N 46.887W 0.377 4175.00 42.4 313.5 N 46 30 W 3708.11 1425.79 980.48N 1042.50W 1431.14 N 46.756W 0.222 4614.00 42.0 315.5 N 44 30 W 4033.32 1720.05 1187.16N 1252.82W 1725.95 N 46.542W 0.319 5194.00 41.1 315.6 N 44 24 W 4467.38 2104.32 1461.77N 1522.21W 2110.43 N 46.161W 0.156 5500.00 41.2 316.6 N 43 24 W 4697.79 2305.53 1606.85N 1661.83W 2311.'63 N 45.964W 0.218 5913.00 43.4 317.0 N 43 00 W 5003.24 2583.39 1809.46N 1852.09W 2589.28 N 45.667W 0.537 6349.00 43.3 317.0 N 43 00 W 5320.29 2882.63 2028.46N 2056.10W 2888.29 N 45.388W 0.026 6820.00 44.3 318.4 N 41 36 W 5660.23 3208.60 2269.57N 2275.50W 3213.85 N 45.075W 0.296 7001.00 44.7 317.0 N 43 00 W 5789.33 3335.46 2363.40N 2360.87W 3340.57 N 44.969W 0.585 7284.00 43.8 317.3 N 42 42 W 5992.05 3532.90 2508.18N 2495.17W 3537.92 N 44.851W 0.327 TELECO Job # 502 TAK 06/12/86 Page 3 MEAS DIRECTION TRUE VERTICAL COORDINATES CLOSURE DOG LEG DEPTH INCL AZIMUTH BEARING VERT DEPTH SECTION N/S E/W DIST ANGLE SEVERITY feet deg deg deg/min feet feet feet feet feet deg deg/100' 7473.00 42.9 318.7 N 41 18 W 6129.48 3662.63 2604.59N 2581.98W 3667.50 N 44.750W 0.697 7851.00 42.7 321.2 N 38 48 W 6406.83 3919.32 2801.17N 2747.23W 3923.49 N 44.443W 0.452 8135.00 42.1 323.3 N 36 42 W 6616.55 4110.33 2952.58N 2864.46W 4113.74 N 44.132W 0.541 8324.00 41.7 321.9 N 38 06 W 6757.22 4236.18 3052.85N 2941.12W 4239.11 N 43.93~W 0.538 8703.00 39.9 323.6 N 36 24 W 7044.11 4483.03 3249.96N 3091.01W 4485.15 N 43.564W 0.558 8892.00 38.4 324.0 N 36 00 W 7190.68 4601.78 3346.25N 3161.48W 4603.51 N 43.374W 0.805 9180.00 37.1 322.6 N 37 24 W 7418.39 4777.39 3487.61N 3~66.84W 4778.67 N 43.128W 0.541 9465.00 37.5 324.4 N 35 36 W 7645.10 4949.35 3626.43N 3369.57W 4950.26 N 42.897W 0.408 9937.00 43.3 329.3 N 30 42 W 8004.39 5251.56 3882.37N 3536.73W 5251.79 N 42.333W 1.400 10316.00 46.2 332.1 N 27 54 W 8273.52 5512.00 4115.01N 3667.28W 5512.01 N 41.707W 0.925 10594.00 47.5 333.1 N 26 54 W 8463.64 5708.44 4295.07N 3760.61W 5708.75 N 41.204W 0.536 3852.32W 5913.'12 10883.00 46.8 335.6 N 24 24 W 8660.19 5911.94 4486.05N N 40.654W 0.679 11071.00 45.0 339.5 N 20 30 W '8791.01 6039.29 4610.79N 3903.86W 6041.49 N 40.254W 1.771 TELECO 0 i 1 ? i e 1 d PLAN VIEW WEST 4800 4000 :~200 2400 1600 BO0 0 7200 6400 5600 4800 40009 -r 3200 z 2400 1600 800 0 ! 000 2000 TELECO 0 i 1 f i eld Serv ices VERT I gAL PROJECT ION 4000 6000 8000 ! 0000 12000 3000 5000 7000 °.9000 11000 13000 15000 17000 lgOO0 VERTICAL SECTION (~t) q/Li/oo $ UB-$ URFA CE DIRECTIONAL SURVEY r~-i UIDANCE ~'iONTINUOUS I-~OOL Company STANDARD ALASKA PRODUCTION COMPANY Well Name Y-23 (1372' SNL, 24' WEL, SEC 33, TllN, R13E) Field/Location PRUDHOE BAY, NORTH SLOPE~ ALASKA Job Reference No. 71558 Logged By: WEST Date 6-23-86 Computed By: KRUWELL GCT DIRECTIONAL SURVEY CUSTOMER LISTING F,3R STANDARD ALASKA PRODUCTION CO. j o ~~ /: l V,rD A~°~o~;~' co~z~ Y-23 (12-28-11-13) PRUOH3E BAY NORTH SLOPE,ALASKA SURVEY DATE: 23-JUN-86 ENGINEER: T. WEST METHCDS 35 COt~UTATiON TDGL LDCATIDN: TANSENTIAL- AVERAG:O DEVIATION AND AZIMUTH INTERPOLATION: LiNEaR VERTICAL SECTIGN: dSRIZ. 3IST. PRGJECTED ONTO A TARGET AZIMUTH OF NORTH 41 D6G 48 MIN WEST COMPUTATION STANDARD ALASKA PRODUCTION ,CO. Y-23 (12-28-11-13) PRUDHOE BAY NORTH SLOPE,ALASKA TRU MEASURED VERT! DEPTH OEP 0.00 0 100.00 100 200.00 200 300.00 300 400.00 400 · 500.00 500 600.00 600 7OO.00 70O 800.00 800 900.00 900 1000.00 1000 1100.00 1100 1200.00 1200 1300.00 129'9 1400.00 13.99 1500.00 1499 1600.00 1598 1700.00 1696 1800.00 1793 1900.00 1889 2000.00 1984 2100.00 2077 2200.00 2159 2300.00 2259 2400.00 2348 2500.00 2436 2600.00 2523 2700.00 2607 2800.00 2687 2900.00 2765 3000.00 2841 3100.00 2916 3200.00 2989 3300.00 3063 3400.00 3135 3500.00 3210 3600,00 3284 3700.00 3358 3800.00 3433 3900.00 3507 INT=RPOLATE9 DATE: 30-JUN-86 VALUES FOR EVEN 100 O K FEE'T OF MEASURE E SUB-SEA COURS~ VERTICAL DOGLEG RECTAN CAL VERTICAL DEVIATION AZIMUTH SECTION SEVERITY NORTH/ TH DEPTH DEC MIN O~G MIN FEET DEC/lO0 FEE 0 0 N 0 0 E 0 8 S 21 37 E 0 7 S 29 34 E 0 4 S 31 22 E 0 6 S 28 33 W 0 9 S 39 8 W 0 6 S 27 19 W 0 5 S 62 10 E 0 7 N 7 38 E 0 5 S 57 20 W 0 5 S 60 38 E 0 8 N 20 12 E 0 15 N 37 33 W 2 5 N 43 16 W 4 37 N 43 48 W 7 4 N 45 27 W 9 26 N 45 35 W' 11 57 N 51 1 W 14 44 N 49 50 W 17 17 N 48 49 w .00 -68.81 .00 11.19 .00 111.19 .00 211.19 .00 311.19 .00 411.19 .00 511.19 '00 611.19 · 00 711.19 · 00 811.19 19 48 N 49 48 W 22 12 N 48 36 W 24 22 N 47 50 W 26 30 N 47 45 W 28 i N 50 5 W 29 14 N 50 15 W 31 10 N 49 40 W 34 21 N 49 28 W 38 5 N 43 40 W 39 28 N 49 10 W .O0 911.19 .00 1011.19 .00 1111.19 .98 1211.17 .79 1310.98 · 25 1410.44 .21 1509.40 .50 1607.69 .77 1704.96 · 88 1801.07 .63 1395.82 · 89 1989.08 .71 2080.90 .96 2171.15 · 82 2260.01 .62 2347.81 · 06 2434.25 · 33 2518.52 .77 259~.96 · 60 2676.79 .84 2753.03 41 16 N 50 5 W · 18 2827.37 42 27 N 50 16 W .77 2900.96 42 35 N 50 20 W · 35 2974.54 42 45 N 50 23 W .74 3047.93 42 48 N 50 31 W .11 3121.30 42 36 N 50 25 .~ · 19 3195.38 41 57 N 49 35 W 56 W .49 3418.68 42 24 N 49 55 ~ J u t 2 4 198 Alaska Oil & Gas Cons. Anchora9~ 0.00 -0.48 -0.72 -0.90 -0.99 -1.03 -1.06 -1.20 -1.21 -1.05 -1.15 -1.20 -0.94 0.73 6.62 16.91 31.23 49.40 72.28 99.65 0.00 O. 0.14 O. 0.05 O. 0.10 O. 0.09 1. 0.07 1. 0.14 1. 0.21 , 1. 0.16 1. 0.23 1. 0.24 1. 0.25 1. 0.62 1. 2.97 O. 2.75 4. 2.16 11. 2.06 21. 2.99 33. 2.57 47. 2.99 66. 131.34 2.55 86. 157.08 2.07 110. 206.42 2.12 136. 249.24 1.76 165. 294.76 1.44 196. 342.06 1.77 226. 391.84 2.01 258. 445.15 3.64 293. 504.04 2.17 332. 566.36 1.40 373. 630.44 1.68 415. 696.61 0.62 458. 763.56 0.26 501. 830.53 0.34 545. 897.59 0.17 588, 96~.84 0.88 631. 1031.35 0.17 674, 1097.38 0,37 717. 1163.20 0.92 760. 1229.70 0.11 803. PAGE ATE OF SURVEY: 23-JUN-86 ELLY BUSHING ELEVATION: ENGINEER: T. WEST D DEPTH 8.8z FT GULAR COORDINATES HORIZ. SOUTH EAST/WEST DIST. T FEET FEET O0 N 0.00 E 0.00 56 S 0.09 E 0.57 78 S 0.21 E 0.81 93 S 0.31 E 0.98 05 S 0.30 E 1.09 23 S 0.17 E 1.24 41 S 0.01 E 1.41 57 S 0.04 E 1.57 48 S 0.16 E 1.48 36 S 0.06 E 1.36 49 S 0.06 E 1.49 40 S 0.23 E 1.42 14 S 0.15 E 1.14 11 N 0.97 W 0.98 37 N 5.04 W 6.67 70 N 12.29 W 16.97 51 N 22.81 W 31.35 30 N 36.87 W 49.69 97 N 54.80 W 72.83 09 N 75,58 W 100.41 87 N 99.89 W 132.38 37 N i27.23 W 168.43 76 N 156.73 W 208.01 79 N 188.51 W 251.04 O0 N 223.02 W 296.91 42 N 259.96 W 344.74 86 N 298.36 W 395.00 68 N 339.40 W 448.82 59 N 384.24 W 508.18 98 N 431.44 W 570.96 82 N 480.78 W 635.66 66 N 532.14 W 702.53 82 N 584.32 W 770.23 07 N 636.41 W 837.93 30 N 688.82 W 905.86 47 N 741.29 W 973.79 74 N 792.67 W 1040.96 85 N 843.53 W 1107.64 72 N 894.33 W 1174.10 94 N 945.77 W 1241.29 DEPARTURE AZIMUTH DEG MIN N 0 0 E S 8 52 E S 14 45 E S 18 22 E S 16 4 S 7 42 i S 0 32 c S 1 34 E S 6 22 E S 2 30 E S 2 12 E S 9 13 E S' 7 21 E N 83 35 W N 49 3 W N 46 24 W N 46 40 W N 47 54 W N 48 48 W N 48 49 W N 48 59 W N 49 3 W N 48 53 W N 48 40 W N 48 41 W N 48 56 N 49 3 N 49 7 W N 49 7 W N 49 4 W N 49 8 W N 49 14 W N 49 20 W N 49 25 W N 49 30 W N 49 34 W N 49 35 W N 49 36 W N 49 36 W N 49 38 W COMPUTATION DATE: 30-JUN-86 PAGE 2 STANDARD ALASKA PRODUCTION CO. DATE OF SURVEY: 23-JUN-86 Y-23 (12-28-11-13) KELLY BUSHING ELEVATION: PRUDHDE 8AY NORTH SLOPE~ALASKA ENGINEER: T. WEST INTERPOLATED VALUES FOR EVEN 100 FEET DF MEASURED DEPTH TRUE SUB-SEA COURSE V~RTICAL DOGLEG RECTANGULAR COORDINATES HORIZ. DEPARTUR~ MEASURED VERTICAL VERTICAL DEVIATION AZIMUTH SECTION SEVERITY NORTH/SOUTH EAST/WEST DIST- AZIMUTH DEPTH DEPTH DEPTH DEG MIN 4000.00 3581.44 3492.63 42 8 4100.00 3655.72 3566.91 42 5 4200.00 3729.88 3641.07 42 1 4300,00 3804,41 3715.60 41 38 4400,00 3879,22 3790.41 41 32 4500,00 3954,09 3865.28 41 24 4600.00 4029.02 3940.21 41 22 4700,00 4104,21 4015,40 41 8 4800,00 4179,71 4090,90 40 57 4900,00 4255,17 4166,36 40 50 5000,00 4330,95 4242.17 40 37 5100,00 4407,00 4318.19 40 33 5200,00 4482,81 4394,00 40 50 5300,00 4558.27 4469,46 41 1 5400.00 4633.84 4545.03 40 50 5500.00 4709,43 4620,62 40 58 5600,00 4784,81 4696,00 41 9 5700,00 4860,00 4771,19 41 38 5800,00 4934.03 4845.22 42 34 5900,00 5007,25 4918,44 43 8 DEG MIN FEET DEG/IO0 FEET FEET N 50 1 W 1296,34 N 50 1 W 1362,60 N 4'9 56 W 1429.01 N 49 45 W 1495.02 N 49 40 W 1560,75 N 49 29 W 1626.43 N 49 28 N i692.06 N 49 19 W 1757,40 N 48 55 W 1822.42 N 48 46 W 1887.56 N 48 ,30 W 1952.31 N 48 14 W 20!6.85 N 47 53 W 2081.67 N 47 37 W 2146,93 N 47 30 W 2212.10 N 47 22 W 2277.24 N 47 'i5 W 2342.66 N 47 16 W 2408.29 N 47 21 W 2475,19 N 46 42 W 2543,02 0,24 0 · 57 0,47 0,42 0,29 0,97 0,92 0,40 0,90 0,55 0,27 0,51 O, 55 0,37 0,10 0,44 0,40 1,57 0,64 0,38 88.81 FT FEET, DEG MIN 847,27 N 997,28 W 1308,60 N'49 38 W 890,26 N 1048,62 W 1375,56 N 49 40 W 933,44 N 1099,95 W 1442,64 N' 49 40 976,39 N 1150,96 W 1509,31 N 49 41 W 1019,29 N 1201,57 W 1575,67 N. 49 41 1062.29 N 1252.02 W 1641,96 N 49 41, 1105,28 N 1302,41 W 1708,19 N- 49 40 1148,19 N 1352,44 W 1774,11 N 49 40 W 1191,08 N 1402,04 W 1839,67 N 49 39 W 1234.30 N 1451,42 W 1905'29 N 49 37 W 1277,39 N 1500,37 W 1970,50 N 49 35 1320,53 N 1548,95 W 2035,45 N 49 33 W 1364,09 N 1597,48 W 2100,64 N 49 30 W 1408,19 N 1646,06 W 2166,22 N 49 27 1452,42 N 1694.37 W 2231,68 N 49 23 W 1496.65 N 1742.63 W 2297.11 N 49 20 W 1541,28 N 1790,87 W 2362,79 N 49 17 W 1586,01 N 1839,31 W 2428,67 N 49 13 W 1631,48 N 1888,82 W 2495,87 N 49 10 W 1677,95 N 1938,61 W 2563,93 N 49 7 W 6000,00 5080,43 4991,62 42 49 6100,00 5153,79 5064.98 42 49 6200,00 5226.97 5138.16 43 1 6300,00 5300,19 5211.38 42 57 6400.00 5373.30 5284.49 43 5 6500.00 5446.20 5357.39 43 15 6600.00 5519.21 5430.40 43 4 6700,00 5591,99 5503.13 43 24 6800,00 5664,33 5575.52 43 58 6900.00 5736,00 5647.19 44 24 7000,00 5807.45 5718.64 44 27 7100,00 5878,82 5790.01 44 19 7200,00 5950,54 5861.73 43 57 7300,00 6022,81 5934.00 43 29 7400,00 6095.68 6006.87 42 57 7500,00 6169.11 6080,30 42 39 7600.00 6242.67 6153.86 42 37 7700.00 6316.34 6227.53 ~2 27 7800.00 6390.13 6301.32 42 31 7900,00 6463.90 6375.09 42 22 N 46 18 W 2610.94 N 46 13 W 2678.68 N 46 2 W 2746.64 N 45 59 W 2814.56 N 45 49 W 2882.61 N 45 55 N 2950.89 N 45 43 W 3019.06 N 45 53 W 3087,47 N 46 0 N 3156.32 N 46 20 W 3225,87 N 40 29 W 3295.60 N 46 30 W 3355.41 N 46 31 W 3434.86 N 46 21 W 3503.75 N 46 17 W 3572.01 N 46 4 N 3639.70 N 45 58 W 3707.25 N 45 43 W 3774.70 N 45 21 W 3842.05 N 45 2 W 3909.44 0,19 0,37 0,16 0,90 0,15 0,56 0,32 0,60 0,40 0,16 0,64 0,54 0.65 0,65 0,36 0,16 0.18 0,36 0,60 0,28 1724,82 N 1988,09 W 2632,02 N 49 3 W 1771,75 N 2037,23 W 2699,89 N 48 59 W 1819,01 N 2086,34 W 2767,96 N 48 54 W 1866,34 N 2135,31 W 2835,98 N 48 50 W 1913,80 N 2184,32 W 2904,11 N 48 46 W 1961.44 N 2233.48 W 2972.48 N 48 42 2009.11 N 2282,44 W 3040,73 N 48 38 2056,90 N 2331,62 W 3109,23 N 48 34 W 2104,90 N 2381,24 W 3178,19 N 48 31 W 2153,18 N 2431,58 W 3247,88 N 48 28 W 2201.42 N 2482.25 W 3317.80 N 48 25 W 2249.58 N 2533.11 W 3387.81 N 48 23 W 2297,55 N 2583,66 W 3457,46 N 48 21 W 2345,15 N 2633,77 W 3526,54 N 48 19 W 2392,42 N 2683,32 W 3594,97 N 48 16 W 2439,46 N 2732.26 W 3662,82 N 48 14 W 2486.47 N 2781,03 W 3730.50 N 48 12 W 2533.55 N 2829,57 W 3798,07 N 48 9 W 2580,83 N 2877,73 W 3865,49 N 48 6 W 2628.43 N 2925.61 W 3932.92 N 48 3 W STANDARD ALASKA PROOUCTZON CO. Y-23 (12-28-11-13) PRUDHOE BAY NORTH SLOPE,ALASKA CCM?UTATION DATE: 30-JUN-86 PAGE DATE OF SURVEY: 23-jUN-86 KELLY BUSHING ELEVATION: ENGINEER: T. WEST 88.81 FT, DEPTH DEPTH DEPTH OEG MIN 8000.00 6537.74 6448.93 42 19 8100.00 6611.90 6523.0'9 41 59 8200.00 6686.32 6597.51 41 51 8300.00 6760.87 6672.06 41 38 8400.00 6835.77 6746.96 41 22 8500,00 6911,03 6822.22 41 0 8600,00 6986,90 6898.09 40 24 8700.00 7063,40 6974,59 39 47 8800.00 7140.71 7051.90 38 56 8900,00 7218,71 7129,90 38 22 9000,00 7297,70 7208,89 37 27 9100,00 7377,16 7288,35 37 13 9200,00 7457.04 7368,23 36 48 9300,00 7537,09 7448,28 36 53 9400,00 7616,81 7528,00 37 22 9500,00 7696,39 7607.58 37 9 9600.00 7776.00 7687.19 37 28 9700.00 7854.86 7766.05 38 53 9800,00 7931,71 7842.90 40 30 9900.00 8006.69 7917.88 42 27 10000,00 8079.22 7990.41 44 43 10100.00 8149.01 8060.20 46 8 10200.00 8218.22 8129.41 46 ~ 10300,00 8287.73 6198.92 45 43 10400.00 8357.71 8268.90 45 ~6 10500,00 8427,08 3338.27 46 26 10600,00 8495,56 ~406.75 47 7 10700,00 8562,62 8473,81 48 31 10800,00 8630,27 8541,46 46 38 10900,00 8698,56 9609,75 46 25 11000,00 8768,27 8679,46 45 26 11100,00 8838,99 8750,18 44 28 11200.00 8909.98 8821.17 45 13 11300,00 8979.83 8891.02 46 21 11400,00 9047,69 8958,85 48 12 11500,00 9113,12 9024,31 50 4 11600.00 9176,11 9087,30 51 29 11650,00 9207,24 9118,43 51 2'9 DEG MIN FEET DEG/iO0 FEET FEET FEET DEG MIN N 44 51 W 3976,77 N 44 36 W 4043,77 N 44 1! W 4110,50 N 43 45 W 4177,11 N 43 29 W 4243,33 N 43 26 W 4309,15 N 43 4 W 4374,27 N 42 29 W 4438,66 N 41 59 W 4502,08 N 41 36 W 4564,66 N 41 10 W 4625,99 N 41 5 W 4586,68 N 40 47 W 4746,85 N 40 27 W .4806,77 N 39 49 W 4867,11 N 39 25 W 4927,62 N 38 55 W 4988,07 N 38 17 W 5049,47 N 37 21 W 5113,29 N 35 51 W 5179,19 N 34 44 W 5247.55 N 33 43 W 5318.51 N 33 11 W 53~9.93 N B2 17 W 5460.94 N 31 10 N 5531.29 N BO 21 W 5601.94 N 2'9 48 W 5673.30 N 30 9 W 5745.86 N 29 21 W 5818,03 N 2~ 3 W 5~89.09 N 25 55 W 5958,53 N 25 1 W 5026,66 N 24 36 W 6093,95 N 24 45 W 6162,31 N 25 5 W 6232.59 N 25 6 W 6305.02 N_~= 4 ~ 6379,41 N 25 4 W 6416,88 0,29 0,21 0,30 0,70 0,74 1,00 0,70 0,81 0,37 0,80 0,47 0,39 0,52 0,73 1,09 0,28 0,64 2,22 1,77 1.83 2.87 0.46 0.37 0.83 1.38 0.96 1.07 1.05 3.67 2.39 0,58 2,39 0,74 1.67 1,90 2,13 0,00 0,00 2676,17 N 2973,23 W 4000,24 N 48 0 W 2723,82 N 3020,45 W 4067,23 N 47 57 W 2771,53 N 3067,21 W 4133,90 N 47 53 W 2819,48 N 3113,50 W 4200-40 N 47 50 W 2867,46 N 3159,19 W 4266,48 N 47 46" 2915,24 N 3204,50 W 4332-14 N 47 42 ~ 2962,63 N 3249,20 W 4397,10 N 47 38 .~ 3009,91 N 3292,93 W 4461,27 N 47 34 3056.93 N 3335,49 W 4524,41 N 47 29 W 3103,55 N 3377,23 W 4586,69 N 47 25 W 3149,60 N 3417,74 W 4647,68 N 47 20 W 3195,31 N 3457,68 W 4708,03 N 47 15 W 3240,76 N 3497,12 W 4767,84 N 47 ~0 W 3286,19 N 3536,20 W 4827,40 N 47 5'W 3332.36 N 3575,09 W 4887,32 N 47 0 W 3379,03 N 3613,68 W 4947,38 N 46 55 W 3425,91 N 3651,94 W 5007,34 N 46 49 W 3474,00' N 3690,28 W 5068,22 N 46 43 W 3524,45 N 3729,59 W 5131,43 N 46 37 W 3577.57 N 3769,05 W 5196,61 N 46 29'W 3633,82 N 3808,70 W 5264,11 N 46 20 W 3693,10 N 3848,88 W 5334,12 N 46 10 W 3753,28 N 3888,71 W 5404,55 N 46 0 W 3813,74 N 3927,63 W 5474,57 N 45 50 W 3874,44 N 3965,29 W 5543,90 N 45 39 W 3936,42 N 4001,96 W 5613,47 N 45 28 3999,47 N 4038,50 W 5683,77 N 45 16 4063.80 N 4075.42 W 5755.30 N 45 4 W 4127,34 N 4112.61 W 5826,54 N 44 53 W 4191,59 N 4147.38 W 5896,63 N 44 41 W 4255,23 N 4180,38 W 5965,11 N 44 29 W 4318,60 N 4211,72 W 6032,32 N 44 16 W 4382.65 N 4241.04 W 6098.69 N 44 3 W 4447.68 N 4270.87 W 6166.21 N 43 50 W 4514.29 N 4301.81 W 6235.73 N 43 37 W 4582.76 N 4333,90 W 6307,48 N 43 24 W 4653,06 N 4366,88 W 6381,27 N 43 10 W 4688,49 N 4383,46 W 6418,47 N 43 4 W INTERPOLATED VALUES ~OR EVEN 100 FEET OF MEASURED DEPTH T~UE SUB-SEA COURSE . VERTICAL DOGLEG RECTANGULAR COORDINATES HORIZ. DEPARTURE MEASURED VERTICAL VERTICAL DEVIATION AZIMUT~ $~CTiON SEVERITY NORTH/SOUTH EAST/WEST DIST. AZIMUTH COHPUTATZON DATE: 30-JUN-86 PAGE 4 STANDARD ALASKA PRODUCTION CO. Y-23 (12-28-11-13) PRUDHOE BAY NORTH SLOPE~ALASKA INTERPOLATED VALUES ~OR TR MEASURED VERT DEPTH DE UE SUB-SaA ICAL VERTICAL PTH DEPTH COURSE DEVIATION AZIMUTH DEG MIN OE,S MIN 0.00 1000.00 10 ZO00.O0 19 3000.00 28 4000.00 35 5000.00 43 6000.00 50 7000.00 58 8000.00 65 9000.00 72 0.00 -88.81 00.00 911.19 84.63 1895.82 41.84 2753.03 81.44 3492.63 30.98 4242.17 80.43 4991.62 07.45 5718.64 37.74 6448.93 97.70 7208.89 0 0 N 0 0 E 0 5 S 60 38 E 19 48 N 49 48 W 41 16 N 50 5 W 42 8 N 50 1 N 40 37 N 48 30 W 42 49 Iq 46 18 W 44 27 N 46 29 W 42 19 N 44 51 W 37 27 N 41 10 W 10000.00 807 11000.00 876 11650.00 920 9.22 7990.41 8.27 8679.46 7.24 9118.43 44 43 N 34 44 W 45 26 N 26 56 W 51 29 N 25 4 W EVEN 1000 V~RTICAL SECTION FE ET 0.00 -1.15 131.34 630.44 1296.34 1952.31 2610.94 3295.60 3976.77 4,625.99 5247.55 5958.53 6416.88 FEET OF DOGLEG SEVERITY DES/lO0 0.00 0.24 2.55 1.68 0.24 0.27 0 · 19 0.64 0.29 0.47 2.87 0.58 0.00 DATE DF SURVEY: 23-JUN'-86 KELLY BUSHING ELEVATION: 88.81 FT ENGINEER: T. WEST' MEASURED DEPT RECTANGUL.~R COORDINATES HORIZ. DEPARTURE NORTH/SOUTH EAST/WEST DIST. AZIMUTH FEET FEET FEET DEG MIN 0.0 1.4 86.8 415.8 847.2 1277.3 1724.8 2201.4 2676.1 3149.6 3633.8 4255.2 4688.4 0 N 0.00 E 0.00 N 0 0 E 9 S 0.06 E 1.49 S 2 12 E 7 N 99.89 W 132.38 N 48 59 W 2 N 480.78 W 635.66 N 49 8 W 7 N 997.28 W 1308.60 N 49 38" 9 N 1500.37 W 1970.50 ~ N 49 35 2 N 1988.09 W 2632.02 N 49 3 . 2 N 2482.25 W 3317.80 N 48 25 W 7 N 2973.23 W 4000.24 N 48 0 W 0 N 3417.74 W 4647.68 N 47 20 W 2 N 3808.70 W 5264.11 N 46 20 W 3 N 4180.38 W 5965.11 N 44 29 W 9 N 4383.46 W 6418.47 N 43 4 W COMPUTATION DATE: 30-JUN-86 PAGE 5 STANDARD ALASKA PRODUCTION CO, Y-23 (12-28'-11-13) PRUDHOE BAY NORTH SLOPE~ALASKA INTER?2LATED VALUES FOR EVEN TR MEASURED VERT DEPTH DE UE SUB-S=A~ ICAL VERTICAL PTH DEPTH COURSE VERTIC DEVIATION AZIMUTH SECTI DEG MIN DEG MIN FEE 0.00 88.81 8 188.81 18 288.81 28 388.81 38 488.81 48 588.81 58 688.81 68 788.81 78 888,81 88 0,00 -88,81 8.81 0.00 8.81 100.00 8,81 200.00 8,81 300.00 8,81 400.00 8.81 500.00 8.81 600.00 8.81 TO0.O0 8.81 800.00 0 0 N 0 0 E O, 0 9 S 17 16 E -0, 0 7 S 30 42 E -0. 0 5 S 34 45 E -0, 0 5 S 25 25 W -0, 0 .8 S 40 21 ~ -1. 0 7 S 34 20 W -1. 0 5 S 48 27 E -1. 0 7 N 15 21 E -1. 0 6 S 84 2 W -1. 988,81 988 1088,81 1088 1188,81 1188 1288,83 1288 1388.98 1388 1489.48 1488 1590.48 1588 1692.14 1688 1794.87 1788 1898.88 1888 · 81 900.00 · 81 1000,00 ,81 1100,00 ,81 1200,00 · 81 1300,00 · 81 1¢00.00 .81 1500.00 · 81 1600.00 · 81 1700.00 · 81 1800,00 DATE OF SURVEY: 23-JUN-86 2004,45 1988.81 2111,80 2088.81 2221,00 2188,81 2332.31 2288.81 2445.41 2388.81 2560.13 2488.81 2677,72 2588,81 2801,32 2688,81 2930,15 2788.81 3062,96 2688.81 KELLY BUSHING ELEVATION: 88.81 FT ENGINEER: T. WEST 3198.70 2988.81 3334.70 3088.81 3471.01 3188.81 3606.22 3288.81 3740.31 3388.81 3874.70 3488.81 4009.94 3588.81 4144.65 3688.81 4279.15 3788.81 4412.82 3888.81 100 FEET OF SUB-SEA DEPTH AL DOGLEG RECTANGULAR COORDINATES HORIZ. DEPARTURE ON SEVERITY NORTH/SOUTH EAST/WEST DIST.. AZIMUTH T DEG/IO0 FEET FEET FEET, .DEG MI,N O0 0.00 0.00 N 0.00 E 0.00 N 0 0 E 45 0.13 0.53 S 0.08 E 0.54 S 8 19 E 70 0.09 0.76 S 0.19 E 0.78 S :14 lB E 88 0,10 0.91 S 0,30 E 0,96 S 18 6 E 98 0.16 1.03 S 0.31 E 'l. OB S 16 50 ~ 03 0.14 1,21 S 0.19 E 1.22 S 8 4! 06 0.14 1.39 S 0,03 E 1.39 S I 2 ~: 18 0.15 1.56 S 0.03 E 1.56 S 1 5 E 22 0.13 1.50 S 0.16 E 1.51 S 6 5 E 06 0.28 1.35 S 0.08 E 1.35 S 3 17 E 0 5 S 48 16 E -1,13 0 8 N 29 45.E -1,21 0 1Z N 36 8 W -0,99 1 45 N 42 55 W 0.35 4 20 N 43 43 W 5.76 6 51 N 45 13 W 15.63 9 14 N 48 18 W 29.70 11 43 N 50 57 W 47.82 14 36 N 49 59 W 70.99 17 15 N 48 49 W 99,32 1900.00 19 56 N 49 ~7 W 132.84 2000.00 22 25 N 48 25 W 171.53 2100.00 24 50 N 47 41 W 215.11 2200.00 27 2 N 48 19 W 263.70 2300.00 28 31 N 50 33 W 316.04 2400.00 30 23 N 49 41 W 371.62 2500.00 33 32 N 49 36 W 432.88 2600.00 38 7 N 43 40 W 504.85 2700.00 39 55 N 49 30 W 583.43 2800.00 42 9 N 50 10 W 671.92 42 35 N 50 20 W 762.69 42 47 N 50 27 W 853.84 42 45 N 50 33 W 945.40 41 56 N 49 36 W 1035.46 41 38 N 49 48 W 1123.94 42 22 N 49 56 W 1212.51 42 7 N 50 2 W 1302.95 42 8 N 49 55 W 1392.27 41 41 N 49 49 N 1481.32 41 32 N 49 39 W 1569.18 2900.00 3000.00 3100.00 3200.00 3300.00 3400.00 3500.00 3600.00 3700.00 3800.00 0.16 1.47 S 0.04 E 1.48 S 1 40 E 0.26 1.43 S 0.21 E 1.44 S 8 33 E 0.34 1.17 S 0.17 E 1.18 S 8 23 E 2.84 0.16 S 0.71 W 0,73 S 77 3 W 2'53 3,75 N 4,45 W 5.82 N 49 50 W 2.02 10.80 N 11.38 W 15.69 N 46 29 W 2,32 20.48 N 21.65 W 29,81 N 46 35 W 2.95 32,29 N 35.62 W 48.08 N 47 48 W 2.71 47,12 N 53.80 W 71.52 N 48 47 W 2.93 65.88 N 75.34 W 100.08 N 48 49 ;4 2.79 87.85 N 101.05 W 133.89 N 48 59 W 1.75 113.34 N 130.59 W 172.91 N ~9 2 W . 2.17 142.64 N 163.20 W 216.75 N 48 50 W 2.00 175.54 N 199.30 W 265.58 N 48 37 W 1.10 209.70 N 239.62 W 318.42 N 48 48 W 2.05 245.63 N 282.81 W 374.59 N 49 1 3.57 285.65 N 329.97 W 436.43 N 49 7 2.11 333.12 N 384.85 W 509.00 N 49 7 W 1.92 386.51 N 446.03 W 590.20 N 49 5 W 1.06 442.68 N 512.97 W 677.57 N 49 12 W 0.26 501.26 N 583.64 W 769.35 N 49 20 W 0.23 560.09 N 654.59 W 861.51 N 49 26 W 0.45 618.97 N 726.10 W 954.13 N 49 33 W 0.23 677.43 N 795.84 W 1045.12 N 49 35 W 0.26 735.16 N 864.01 W 1134.45 N 49 36 W 0.27 792.95 N 932.71 W 1224.23 N 49 37 W 0.30 851.56 N 1002.40 W 1315.28 N 49 39 W 0.27 909.54 N 1071.57 W 1405.53 N 49 40 W 0.60 967.45 N 1140.39 W 1495.48 N 49 41 W 0.29 1024.80 N 1208.06 W 1584.18 N 49 41 W COHPUTATION DATE: 30-JUN-36 PAGE 6 STANDARD ALASKA PRODUCTION CO. Y-23 (12-28-11-13) PRUDHDE BAY NORTH SLOPE,ALASKA INTERPOLATED VALUES FOR EVEN 100 FEET OF TRUE MEASURED VERTICAL DEPTH DEPTH DATE OF SURVEY: 23-JUN-86 KELLY BUSHING ELEVATION: 4546.28 3988.81 4679.53 4088.81 4812.04 4188.81 4944.39 4288.81 5076.08 4388.81 5207.9~ 4488.81 5340,44 4588.81 5472.70 4688.81 5605.32 4788.81 5738.73 4888.81 ENGINEER: T. WEST 5874.71 4988.81 6011.43 5088.81 6147.79 5188.81 6284.47 5288.81 6421.24 5388.81 6558.43 5488.81 6695.62 5588.81 6834.05 5688.B1 6973.93 5788.81 7113.96 5888.81 SUB-SEA DEPTH 7253.05 5988.81 7390.60 6088.81 7526.79 6188.81 7662.67 6288.B1 7798.21 6388.81 7933.73 6488.81 8068.92 6588.81 8203.34 6688.81 8337.32 6788.81 8470,48 6888.51 SUB-SEA CGURSE VERTICAL DOGLEG RECTAN VERTICAL DEV'IATION AZIMUTH S;CTION SEVERITY NORTH/ DEPTH DEG MIN DEG FIN FEET DEG/IO0 FEE 8602.51 6988.81 8733.03 7088.61 8861.80 7188.81 8988.80 7288.81 9114.62 7388.81 9239.68 7488.81 9364.78 7588.81 9490.50 7688.81 9616.15 7768.81 9743.93 7888.81 3900.00 41 30 N 49 32 W 1656.74 0.60 4000.00 41 12 N 49 20 W 1744.03 0.27 4100.00 40 59 N 48 52 W 1830.25 0.94 4200.00 40 41 N 48 40 W 1'916.31 0.41 4300.00 40 29 N 48 18 W 2001.41 0.58 ~400.00 40 52 Iq 47 51 W 2086.83 0.52 4500.00 40 55 N &7 32 W 2173.31 0.20 4600.00 40 55 N 47 28 W 2259.45 0.18 4700.00 41 9 N 47 16 W 2346.15 .0.36 4800.00 42 11 N 47 26 W 2434.04 1.20 4900.00 43 6 N 46 47 W 2525.78 0.56 5000.00 42 48 N 46 18 W 2618.69 0.23 5100.00 42 57 N 46 4 W 2711.11 0.41 5200.00 42 55 N 45 58 N 2804.02 0.81 5300.00 43 7 N 45 50 W 2897.09 0.19 5400.00 43 3 N 45 43 W 2990.77 0.36 5500.00 43 24 N 45 53 W 3084.47 0.61 5600.00 44 8 N 46 7 W 3179.93 0.75 5700.00 44 24 N 45 27 W 3277.44 0.53 5800.00 44 17 N 46 29 W 3375.12 0.55 88.81 FT 5900.00 43 43 N 46 29 W 3471.46 0.'36 6000.00 43 0 N 46 18 W 3565.61 0.42 6100.00 42 38 N 46 4 W 3657.80 0.15 6200.00 42 31 N 45 50 N 3749.55 0.33 6300.00 42 31 b~ ~5 21 W 3840.34 0.62 6400.00 42 2~ N 44 57 ~ 3932.16 0.29 6500.00 42 3 N 44 41 W 4023.00 0.35 6600.00 41 51 N 44 i0 W 4112.73 0.30 6700.00 41 30 N 43 40 W 4201.84 0.28 6800.00 41 8 N 43 26 W 4289.72 0.31 6900.00 40 23 k 43 4 W 4375.90 0.76 7000.00 39 31 Fi 42 13 W ~459.76 1.25 7100.00 38 ~2 N 41 ~7 W 4540.87 1.19 7200.00 37 30 N 41 10 W 4619.17 0'48 7300.00 37 9 M 41 2 W 4695.52 0,42 7400.00 ]6 49 N 40 44 W 4770.60 0.59 7500.00 37 13 N 40 I W 4845.75 0.83 7600.00 37 10 N ~9 26 W 4921.88 0.24 7700.00 37 32 N 38 47 W 4997.89 0.68 7800.00 39 ~1 H 37 59 W 5077.29 1.62 1082. 1139. 1196. 1253. 1310. 1367. 1426. 1484. 1543. 1603. GULAR COORDINATES HORIZ. DEPARTURE SOUTH EAST/WEST DIST. AZIMUTH T FEET FEET DEG MIN 15 N 1275.30 W 1672.55 N 49 41 W 41 N 1342.21 W 1760.62 N 49 40 W 26 N 1407.98 W 1847.55 N 49 38 W 40 N 1473.20 W 1934.25 N 49 36 W 19 N 1537.35 W 2019.92 N 49 33 57 N 1601.33 W 2105.83 N 49 30 09 N 1665.63 W 2192.73 N 49 25 , 56 N 1729.46 W 2279.25 N 49 21 W 66 N 1793.45 W 2366.29 N 49 16 W 54 N 1858.33 W 2454.54 N 49 12 W 1666. 1730. 1794. 1858. 1923. 1989. 2054. 2121. 2188. 2256. 2322. 2387. 2452. 2515. 2579. 2644. 2709. 2773. 2837. 2901. 2963. 3025. 3085. 3144. 3201. 3258. 3315. 3374. 3433. 3495. 09 N 1926.01 W 2546.64 N 49 8 W 19 N 1993.71 W 2639.78 N 49 2 W 29 N 2060.67 W 2732.37 N 48 57 W 99 N 2127.70 W 2825.42 N 48 51 W 91 N 2194.73 W 2918.61 N 48 45 W 29 N 2262.16 W 3012.41 N 48 40 W 80 N 2329.46 W 3106.22 N 48 35 W 33 N 2398.28 W 3201.84 N 48 30 W 87 N 2469.03 W 3299.58 N 48 26 W 29 N 2540.18 W 3397.55 N 48 23 W 81 N 2610.31 W 3494.17 N 48 20 W 99 N 2678.68 W 3588.57 N 48 17 W 05 N 2745.34 W 3680.95 N 48 13 W 97 N 2811.50 W 3772.88 N 48 10 W 98 N 2876.87 W 3864.28 N 48 6 W 51 N 2941.70 W 3955.63 N 48 2 02 N 3005.83 W 4046.46 N 47 58 k 13 N 3068.76 W 4136.13 N 47 53 W 38 N 3130.59 W 4225.08 N 47 48 W 12 N 3191.14 W 4312.76 N 47 43 W 82 N 3250.31 W 4398.72 N 47 38 W 49 N 3307.16 W 4482.28 N 47 32 ~ 77 N 3361.43 W 4563.03 N 47 26 W 47 N 3413.25 W 4640.90 N 47 20 W 97 N 3463.49 W 4716.82 N 47 14 W 78 N 3512.60 W 4791.45 N 47 8 W 97 N 3561.37 W 4866.11 N 47 2 W 60 N 3610.03 W 4941.68 N 46 55 W 56 N 3658.11 W 5017.08 N 46 48 W 91 N 3707.50 W 5095.78 N 46 40 W STANDARD ALASKA PRODUCTION CO. Y-23 (12-28-11-13) PRUDHOE BAY NORTH SLOPE,ALASKA COMPUTATION DATE: 30-JUN-86 PAGE DATE OF SURVEY: 23-JUN-86 KELLY BUSHING ELEVATION: ENGINEER: T. WEST INTERPOLATED VALUES FOR EVEN 100 FEET OF SUB-SEA DEPTH TRUE SUB-SEA COURSE MEASURED VERTICAL VERTICAL DEVIATION AZIMUTH DEPTH DEPTH DEPTH DEG MIN DEG MIN 88.81 FT 9875.87 7988.81 7900.00 41 57 10013.55 8088.81 8000.00 45 4 10157.51 8188.81 8100.00 46 16 10301.55 8288.81 8200.00 45 43 10444.?0 8388.81 8300.00 46 1 10590.09 8488.81 8400.00 47 1 10739.60 8588.81 8500.00 47 47 10885.91 8688.81 8600.00 46 4i 11029.26 8788.81 8700.00 45 15 11170.00 8888.81 8800.00 45 0 11313.02 8988.81 8900.00 46 34 11462.41 9088.81 9000.00 49 22 11620.40 9188.81 9100.00 51 29 11650.00 9207.24 9118.43 51 29 N 36 12 W 5163.06 N 34 37 W 5257.05 N 33 26 W 5359.61 N 32 16 W 5462.04 N 30 34 W 5562.81 N 29 50 W 5666.21 N 30 35 W 5'774.99 N 28 13 W 5879.20 N 26 ~4 W 5978.66 N 24 39 W 6073.6~ N 24 47 W 6171.33 N 25 5 W 6277.57 N 25 4 W 6394.70 N 25 4 W 5416.88 2.45 2.29 1.04 0.82 0.86 0.89 4.74 2.77 1.12 O.T7 1.72 1.84 0.00 0.00 3564.48 N 3759.49 W 5180.67 N 46 31 W 3641.69 N 3814.15 W 5273.49 .N 46 19 W 3727.66 N 3871.87 W 5374.65 .N 46 5 W 3814.67 N 3928.23 W 5475.65 N 45 50 W 3902.00 N 3981.75 W 5574.93 N 45 34 " 3993.18 N 4034.89 W 5676.78 N 45 17 4089.44 N 4090.44 W 5784.05 N 45 0 , 4182.63 N 4142.57 W 5886.87 N 44 43 W 4273.80 N 4189.81 W 5984.97 N 44 25 W 4363.33 N 4232.18 W 6078.65 N 44 7 W 4456.24 N 4274.82 W 6175.13 N 43 48 W 4556.80 N 4321.74 W 6280.28 N 43 29 W 4667.51 N 4373.65 W 6396.44 N 43 8 W 4688.49 N 4383.46 W 6418.47 N 43 4 W VERTICAL DOGLEG RECTANGULAR COORDINATES HORIZ, DEPARTURE SECTION SEVERITY NORTH/SOUTH EAST/WEST DIST. AZIMUTH FEET DEG/IO0 FEET FEET FEET DEG MIN SCHLUMBERGER E]I REC T I ONAL SUR V E Y COMPANY STANDARD ALASKA PRODUCTION WELL Y-23 FIELD PRUDHOE BAY COUNTRY USA RUN 1 DATE LOOOEO 23 - JUN - 86 REFERENCE O000?ISS8 WELL' Y-23 (1372' ~SNL, 24' WEI.- SEC 33, TllN, R13E) HC 'ZONTAL PROJECTION SCALE = 1/1000 IN/FT 4OOO 2OOO 1000 -I000 SOUTH-2000 -6000 NEST -SO00 -4000 -3000 -2000 -1000 lO00 2000 WELL. Y-23 (1~372' -SNL, 24' WF' SEC 33, TllN, R13E) 'ERTICAL PROJECTION -4~0 -2~0 0 0 ~0~ 40~ 60~ ~00 10000 13. 20O0 918. PROJECTION ON VERTICAL PLANE 918. - 198. II $CALEB IN VERTICAL DEPTHS HORIZ SCALE = 1/2000 IN/FT Form to be inserted in each "Active" well folder to check for timely complianCe with our regulations. OPERATOR, '. WELL NAI~fE Ab}D NUMBER Reports and Materials to be received by: l'/- ~ ~--~ Date Required Date Received Remarks Completion Report !/~'-~ ~--'~._ Well History Samples '' Hud Log Core ChSps Core Description Registered Survey Plat / Inclination Survey ~[~ Drill Stem Test Reports Production ?est Reports~ ' , Digitized Data , Slondo~d AIo$l~a Production Compor 900 Eos~ Benso~ Bc P O. Bo,, 196612 Ancho,oge. Alosko 99519-6612 t907) 564 5! II ARCO EXXON PHILLIPS STATE OF AK PDBY Systems (Transmittal Only) S'I'ANDARD AL ASK& PRO[)LJ(~ 1 I(. ~N Date: 07/10/86 77]72 SAPC ~LAGNETIC LIS TAPES & LISTINGS 'Fne following material is being stflzrnitted herewith. Please acknowledge receipt by signing a copy of this letter and returning it to this office: * Y-23 OH Mag tape LIS Sch /-:71555 06/17/86 //1 Fa, pc P~).~. 1 600 BPI #04 ] 20 * EXXON' An Asterisk (*) next Lo a listing above ri]cans have received th~, Tape(s) and Listing(s) directly from service company. Pie,use confirm this, Received MEMORA 'OUM TO' THRU: FROM: Sta,- of Alaska ALAS~A OIL ~-~.o GAS CONSERVATION COb~iI5 C. V. CM n Chairma-~~ Lonnie C. Smith~/ Commissioner Bobby D. Foster Petroleum Inspector DATE' June 10, 1986 FILE NO.: D. BDF. 47 TELEPHONE NO.' SUBJECT: BOP Test Standard PBU Y-23 Permit No. 86-87 Prudhoe Oil Pool Tuesday, June 3, 1986: The BOP test began at 10:00 a.m. and was Completed` at lf:OO a'.m. As the attached BOP test report shows, there was one failure which was repaired and retested. in summary, i witnessed the BOP test on Standard's Y-23. 02-001 A ( Rev 10-84) '~:&C, t14 5/84 STATE OF ~ALAS~A ALASKA 0IL & CAS CONSERVATION C0~ISSION B.O.P.E. Inspection Report Inspector l~q Well_ ~/- Permit Location: Sec T R M Casing Set @ ft. . General Housekeeping ~ Rig fD~ Reserve Pit ~.~/ Mud Systems Visual Audio Trip Tank Pit Cauge Flow Monitor Gas Detectors BOPE S tack Annular Preventer Pipe Rams Blind Rams Choke Line Valves H. C.R. Valve K/il Line Valves Check Valve Test Pressure Full Charge Pressure psig Pressure ~ter Closure psig Pump incr. clos. pres. 200 psig min__ Full Charge Pressure Attained: min N~ psig Controls: M~ster Remote Blinds switch cover SeC. SeC. Kelly and Floor Safety Valves Upper Ke!lv Test Pressure Lower Kelly Test Pressure Ball Type Test -- Inside BOP Test Pressure Choke Manifold V~ Test Pressure ~o. Valves No. flanges ~ ~ Adjustable Chokes Hvdrauica!!v ooerated choke Test Results: Failures / Test Time / hrs. Repair or Replacement of failed equipment to be made within day~ and Inspector/ . Co~mission office notified. '- Distribution orig. - AO&GCC cc - Operator cc - Supervisor May 2, 1986 Telecopy: (907) 276-7542 Mr. R. S. Allan District Drilling Engineer Standard Alaska Production Company P.O. Box 196612 ~a~chorage, Alaska 99519-6612 Re: Prudhoe Bay Unit Y-23 Standard Alaska Production Company Permit No. 86-87 Sur. Loc. 1372'SNL, 24'WEL, Sec. 33, TllN, R13E, U~JI. Btmho!e Loc. 1628'SNL, 4516'WEL, Sec. 28, TllN, R13E, UM. Dear Mr. Allan: Enclosed is the approved application for permit to drill the above referenced well. The permit to drill does not indemnify you from the probable need to obtain additional permits required by law from other governmental agencies prior to commencing operations at the well site. To aid us in scheduling field work, please notify this office 24 hours prior to commencing installation of the blowout prevention equipment so that a representative of the Commission may be present to witness testing of the equipment before the surface casing shoe is drilled. Where a diverter system is required, please also notify this office 24 hours prior to commencing equipment installation so that the Commission may witness testing before drilling below the shoe of the conductor pipe. ~V~y t~u v~urs 7 ~ C. V. Chatterton Chairman of Alaska Oil and Gas Conservation Commission BY O~ER OF THE CO}~%ISSION jo Enclosure CC: Department of Fish & Game, Habitat Section w/o encl. Department of Environmental Conservation w/o encl. Mr. Doug L. Lowery -. STATE OF ALASKA ALASKA C _ AND GAS CONSERVATION CC-..MISSION PERMIT TO DRILL 2O AAC 25.005 i la. Type of work Drill ,~ Redrill ~1 lb. Type of well. Exploratory ~ Stratigraphic Test [] Development Oil Re-Entry ,~ Deepen ~.'1 Service ,~ Developement Gas ~ Single Zone L~ Multiple Zone 2. Name of Operator 5. Datum Elevation (DF or KB) 10. Field and Pool Standard Alaska Production Company 87' BKB AMSL feet Prudhoe Bay Field 3. Address 6. Property Designation P.O. Box 196612, Anchorage, AK 99519-6612 APL 28287 Prudhoe Oil Pool 4. Location of well at surface 7. Unit or property Name 11. Type Bond(see 20 AAC 25.025) 1372' SNL, 24' WEL, Sec. 33, TllN, R13E Prudhoe Bay Unit Blanket At top of productive interval 8. Well nu ,tuber Number ,1780' SI'.$, 4380' WEL, Sec. 28, T,1,1N, R]3E Y-23 (,12-28-,11-]3) K00683449-6-]4 At total depth 9. Approximate spud date Amount ]628' SNL, 45]6' WEL, Sec. 28, TI.IN, RI3E June 10,.1986 $200,000.00 12. Distance to nearest 13. Distance to nearest well 14. Number of acres in property 15. Proposed depth(MD and TVD) APDroperty_ Ii ne L 28288 900 feet Y-8 34 feet 2560 l1805'MD 9201 'TV~et 16. To be completed for deviated wells 43°34' 17. Anticipated pressure (see 20 AAC 25.035 (e)(2)) Kickoff depth ] 200 feet Maximum hole angle 0 Maximum surface 3330 psig At total depth C-VD) 8800 ' 4390 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) 20" Con :uctor 80' Surfac,, llO' 8 cu..yds, concrete 17-1/2" 13-3/8 72# L-80 Butt 2779' Surfac., 2~09' ?6F~O' .3g02 nu ft 12-1/2" 9-5/8" 47# L-80 NSCC 5408' Surfac.; 5438' 4587' 575 cu. ft~ ClassGw/5 12-1/2" 9-5/8" 47# L-80 Butt 11270' 5438' 4587' 11300' 8835' ~-1/2" 7" 76¢ I-Rfl T,14S 7~' ~n~n' ~4' !!805' 9201' 246 cu. ft. 19. To be completed for Redrill, Re-entry, and Deepen operati~)~s. --- ' 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 r~ ? ,-- r- ! ~ t ~ r~ ~'.~ ; .... . Intermediate ,'~ % L. i ~ ~ Production Liner APR 2 8 1986 Perforation depth: measured Alaska Oil & Gas Cons, Com~l~tsio~ true vertical Anchorage 20. Attachments Filing fee ~ Property plat ~ BOP Sketch ~ DiverterSketch ~ Drilling programY~ Drilling fluid program ~'. Timevs depth plot ~ Refraction analysis ~ Seabed report ~ 20AAC25.050 requirements 21. I hereby certify that the foregoing is true and correct to the best of my knowledge Commission UsE b~n)¢® "' ...... ~ "" 'v ...... / / Permit Number ~.~._~7 I APInumber IApprovald~,o J See cover letter i ' ' 50-- £'% ~ ~ ?-/¢-~'o 0.5 / 0 2 / 8 6 for other requirements Conditions of approval Samples required ~, Yes --~ No Mud Icg required ~ Yes .z~ No Hydrogen sulfide measures ~ Yes ,~l No Directional survey required ~! Yes ~ No Required wo~~ ~5M; © 1OM; ~ 15M Other: by order of Approved bylk ~'~"' k ~'-~~~---~ Commissioner the commission Date ~oKCl_ Form 10-401 Re~ 12-1-85 n triplicate PROPOSED DRILLING AND COMPLETION PROGRAM WELL Y-23 [ 12-28-11-13 ] PBU Install and cement 80' of 20" conductor to surface. The drilling fluid program will consist of an 8.5-9.5 ppg spud mud in the 17-1/2" hole, a 9.0-9.7 ppg. water base mud in the 12-1/4" hole and a 8.9 ppg water base mud in the 8-1/2" hole. Drill 17 1/2" hole to 2829' and cement 13 3/8" L-80 Buttress casing to surface. Install blowout prevention equipment consisting of 5000 psi W.P. pipe rams, blind rams, and annular preventer. Maximum possible bottomhole pressure is 4390 psi at 8800' TVDss based on original resevoir pressure. Maximum possible surface pressure is 3330 psi based on a gas column to surface from 8600' TVDss and an oil column to 8800' TVDss. Directionally drill ~_~1~4" hole to the 9-5/8" casing point above the Sadlerochit Sandstone. Run 9 5/8" 47# L-80 mixed string of Buttress and NSCC to within 5' of 12 1/4" TD and cement in two stages: First stage using Class G cement around the 9 5/8" shoe. The second stage to be downsqueezed in the 13 3/8'' x 9 5/8" annulus followed by nonfreezing fluid. Directionally drill 8 1/2" hole to TD. Run 7" liner from TD to 250' inside 9 5/8" casing shoe and cement using Class G cement with 5% KCL. Clean out to 7" float equipment. Change over to 9.6 ppg. NaC1 completion fluid. Test casing and lap to 3000 psi. Run 9 5/8" production packer on internal plastic coated tubing with gas lift mandrels and a sliding sleeve. Set packer 50' above top of liner. A subsurface safety valve with dual control lines will be placed 50' belowbase of permafrost. Install and test Xmas tree. Displace tubing to diesel.' Set and test packer. Suspend well for perforating subsequent to rig release. Tubing Size: 4 1/2", 12.6#, L-80, A/B Mod, BTC, IPC with 5 GLMs Tailpipe Size: 4 1/2", 12.6%, 5-80, BTC JWB: 23-APR-86 PROPOSED ~OLE DIAGRAM WELL Y-23 [12-28-11-13] PBU PROPOSED DEPTH BKB 20" Conductor 110 , Ball Valve 2097 13 3/8" Casing Shoe 17 1/2" Open Hole 2809 2829 4 1/2", 12.6#, L-80, A/B Mod, BTC, IPC with 5 GLMs 9 5/8" Packer 7" Tieback Assembly 10999 11050' 9 5/8" Casing Shoe 12 1/4" Hole 11300 11305 7" PBTD 7" Liner Shoe 8 1/2" Open Hole Jws: 23-APR-86 11765 11805 11805 13 STACK CONFIGUIRAI ION 5/8" TRIPLE RAM STACK 5000 PSI WP DRILLING ANNULAR PREVENTER" PIPE RAMS BLIND RAMS CHECK KILL UNE HAND GATE GATE DRILLING SPOOL PIPE RAMS I 4" CHOKE LINE HAND GATE HYDR. ASST. GATE [ ] 04 I0 20 ~y.2s (Proposed) 2:1 4O 22 $o 40 I _. [o . I ~ (Actual) 29 ' 2;8 Y-4_. .__.~_7_~ : (Actual) IO'r~' ;II"- ~ ~ ~ I Y-:2 (Actual) 03 Y-6 (Actual) i~ / ' : : Y-zz ? , ~ / ~Proposed) T s sas -~ I _ . '=/ : o, ~ m Y-,3 Y~lO ! -1,-~~ t- -al : o~ Y-,9 ' { I LA~ = : (pro--d} { { LO~.= 14~4{ ~],~" . ~ . ~ .' _ ~'~ ~_ X= 645~75_~ [ Y-II Rldrill (Actual) os o Y-20 (PrOl~sed) 27.80' 4 Y-21 (P~p6~ed) ~ PORTION OF T II N, R 15 E, UM sCALE I"= I/~ MILE O2 CERTIFICATE OF SURVEYOR PAD DETAIL SCALE i"= 300' (~$-~?-11-13) · (/4-E?-/I-13) · Y-3 ( ~-a4;//-/..'/// Y-~ (~3-E~-11-13)' · Y~6 (2,~-$,~- I1-15 ) SUMP (~z- o$-/O-/ZY er-e ($$ - $$-//./3,1 ·~Ly.// t'4~.33-//-/$) Y-/~ f ,~$- $,~- / / - /$! (11 - $$ -//- . I hereby certl~fy that lam properly registered to practice land SurVeying in the State of Alaska and that this plat rePresents a locatiOn survey of the wellpad shown and the wells thereon. This survey was made by me or under my supervision,. and all dimensions and other details are correct. Bottom hole locations are furnished by others. Date : -' . Surveyor NOTE: All bottom holes are 8800' SUb sea. o 0 o o Add Proposed BHL Y-Z2 : ~ Proposed BHL Y-19 & Y-21 2/20/SEr%t~-~ 'R~rae BHL Y-7,8,9,10~12,~ I~ from ~ed ~Actual P~ Md Pro~sed BIlL Y-13 ~d Proposed BHL Y-I0 Revile BHLY- 3,4,~ II from Pro~sed to Actual 4/ ~d ~OpOaed BHL Y - 9 Add Proposed BH~ Y-8 Rev,sad Proposed BHLY-7 ~/2/81 PJR' ~d Proud BHLY-7 ~ Pro.Nd 9H~ Y-I~ 10/9/80 ~d Prod BHL Y- II 9/2~ P~ ~1 Bot~ Holes are 88~' sub sea. Reviled BHL Y- I, ~,5 8 6 from Pro.ted fo ~tuol. 6/2~80LAB ~TEt Plat deled A~. ~, 1979 c~nged to Oct. 2,1979. BHL ,I E-~ 6 changed. , ' . ~ C.J.~ ~5.5?AK[~ NE V4 8 NW i/4 PROTRACT~ ~C. Surveyed for SOHIO PETROLEUM CO. I I Surveyed by F.M. LINDSEY & AS$OC, LAND ~ HYDROGRAPHIC SURVEYORS ' 2502 West Northern Lights Boulevard Box 4-081 Anchorage Alaska ! _$1$DUA12:[DRAN017]Y23_CLOSAP_SHORT.LIS;5 23-APR-1986 12:38 Page 1 --- Closest Approach Analysis --- Date: 23-APR-86 Search Radius= 3567 COURSE LINE For proposed well: Y-23 [12-28-11-13] Location = W-E S-N TVD(SBS) Top 644791.00 5948883.00 -87.00 Bottom 640349.41 5953667.85 8893.26 Time: 12:37:34 Note: Ail depths in feet Below Kelly Bushing (BKB) Closest Approach WEL~ IDENT /PROPOSED~ /NEARBY\ TVD DEPART TVD DEPART A029-2001000 331113 A029-2009900 H-1 A029-2010300 H-3 A029-2023800 H-6 A029-2039400 Y-1 A029-2039500 Y-2 A029-2041100 Y-3 A029-2042300 Y-4 A029-2043100 Y-6 A029-2043600 Y-5 A029-2048200 H-9 A029-2048700 H-10 A029-2051300 Y-11 A029-2051301 Y-11RD A029-2051700 Y-12 A029-2056000 Y-7 A029-2057200 Y-8 A029-2057900 Y-9 A029-2058700 Y-10 A029-2063400 Y-13 A029-2091600 Y-18 A029-2092000 Y-17 A029-2093200 Y-16 4054.0 8302 7 8359 7 8980 3 5 6 5 6 6 4 6 1 5 7 1105 8 8980 3 8907 8 1982 8 2007 5 2132 2 900 2 607.9 1544.6 1812.5 2268.5 1897.0 2329.6 2225.3 1843.3 4035.6 27.9 5884.2 9211.3 4906.1 5938.4 9207.0 4007.9 6528.6 9198.6 3243.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1100.0 8.4 6528.6 9463.6 3536.3 6459.7 8362.4 5211.5 137.9 1982.9 8.7 147.4 2005.4 13.9 198.7 2130.2 17.8 0.0 899.9 10.1 0.0 608.0 0.9 26.6 1544.0 11.3 83.7 1811.4 9.2 264.6 2269.0 10.1 108.7 1798.9 34.2 298.1 2319.2 18.4 242.7 2213.2 13.7 CLOSEST DISTANCE 2142.0 3601.1 6760.7 4498.3 804.8 695.2 585.3 475.4 254.9 365 5 2588 8 3299 6 255 2 268 2 369 0 143.5 34.9 72 7 159 3 437 6 839 0 848 0 940 3 Vertical Intersection /PROPOSED~ /NEARBYN TVD DEPART TVD DEPART VERTICAL DISTANCE 3035.6 874.7 5011.6 1024.6 1981.8 $1$DUA12:[DRAN017]Y23 CLOSAP SHORT.LIS;5 A029-2094000 Y--15 2104.1 186.4 SUMMARY 2096.9 26.5 1048.0 23-APR-1986 12:38 Page The well which comes closest to the proposed well is: A029-2057200 Y-8 Closest approach distance = 34.9 feet KICK OFF for this run = 1200.0 feet $1$DUA12:[DRAN017]Y23 CLOSAP SHORT7.LIS;4 Closest Approach 23-APR-1986 Analysis --- Search Radius= 3567 7 DEGREE LEAD LINE For proposed well: Y-23 [12-28-11-13] Date: 23-APR-86 Time: 12:38:53 Location = W-E S-N TVD(SBS) Top 644791.00 5948883.00 -87.00 Bottom 639799.70 5953091.26 8893.26 Note: Ail depths in feet Below Kelly Bushing (BKB) 12:39 Page Closest Approach WELL IDENT /PROPOSED% /NEARBY\ TVD DEPART TVD DEPART CLOSEST DISTANCE A029-2001000 331113 4307.6 2084.6 4280.3 31.5 1901.7 A029-2009900 H-1 8081 . 9 5674 . I 9211 . 3 4906 . I 4252 . 9 A029-2010300 H-3 7936.9 5536.2 9207.0 4007.9 7444.4 A029-2023800 H-6 8912 . 8 6464.4 9198 . 6 3243 . i 5293 . 2 A029-2039400 Y-1 5.6 0.0 0.0 0.0 804.8 A029-2039500 Y-2 5.6 0.0 0.0 0.0 695.2 A029-2041100 Y-3 6.4 0.0 0.0 0.0 585.3 A029-2042300 Y-4 6 .1 0.0 0.0 0.0 475.4 A029-2043100 Y-6 5.7 0.0 0.0 0.0 254.9 8 0.0 1100.0 8.4 365.5 3 6528.6 9542.6 3564.2 3275.2 3 6528.6 8497.1 5311.2 3530.5 5 167.2 2058.4 9.0 236.5 8 180.5 2088.9 14.6 248.2 7 243.4 2225.1 18.1 342.0 2 0.0 899.9 10.1 143.5 9 0.0 608.0 0.9 34.9 5 35.3 1599.9 11.6 68.9 2 101.7 1873.0 9.6 147.9 3 312.8 2354.7 10.0 402.3 4 0.0 0.0 0.0 843.9 7 206.9 2147.2 15.1 878.6 A029-2043600 Y-5 1105 A029-2048200 H-9 8980 A029-2048700 H-10 8980 A029-2051300 Y-11 2058 A029-2051301 Y-11RD 2090 A029-2051700 ¥-12 2226 A029-2056000 X-7 900 A029-2057200 X-8 607 A029-2057900 Y-9 1600 A029-2058700 Y-10 1874 A029-2063400 ¥-13 2355 A029-2091600 Y-18 0 A029-2092000 Y-17 2150 A029-2093200 Vertical /PROPOSED\ TVD DEPART Intersection /NEARBYN TVD DEPART VERTICAL DISTANCE 4145.1 1930.0 6063.6 2091.7 1924.2 6207.9 3891.9 8183.6 4048.7 1981.4 $1$DUA12:[DRAN017]Y23 CLOSAP SHORT7.LIS;4 Y-16 2000.4 144.7 1997.6 13.3 964.0 A029-2094000 Y-15 0.2 0.0 0.0 0.0 1059.7 SUMMARY The well which comes closest to the proposed well is: A029-2057200 Closest approach distance KICK OFF-for this run 34.9 feet 1200.0 feet 23-APR-1986 12:39 Page 2 %%%0 2,qO 8B~ " P4',J D PU~P.S ro /"IA,,,q; ~"oc D 50 D~GASS£R ~ iF~o~q VAE. S'O ~L I! TR~ ?IT T'A~ D £ H ~ ~/1~ ~e~ (De~±~te~) 1 - Drilco Atmospheric Mud Degasser 1- 200 gpm Operating Capacity. Centrifuge 15 - Brandt MA5 Mud Mix Agitators 1 - 150 bbl. Trip Tank 1 - Recording drilling fluid pit level indicator with ~ ~ l visual and audio warning devices at driller' s console 1 - Dr~'lling fluid flow sensor with readout at drili%~,',s console CHECK LIST FOR NEW WELL PERMITS ITEM (1) Fee (2) Loc (3) Admin (4) Casg ~/~.~, ~7~9.~ (14 thru 22) Company APPROVE DATE YES //~_ ..~-~77~ 1. Is the permit fee attached .......................................... 7'%~~ 2. Is well to be located in a defined pool ............................. ~ (2'thru 8) 3. Is well located proper distance from property line .................. 4. Is well located proper distance from other wells .................... 5. Is sufficient undedicated acreage available in this pool ............ 6. Is well to be deviated and is wellbore plat included ................ ~j ~ ~/~/~ 7. Is operator the only affected party ................................. ~. , 8. Can permit be approved before ten-day wait .......................... ~. (~._~R~ ¥~'~ 9. Does operator have a bond in force ................................... ~ (~ thru 1~ 10. Is a conservation order needed ...................................... ~' ~ ~./~//~ I1. Is administrative approval needed ................................... ' .... (10 and13) 12. Is the lease number appropriate ..................................... ~ 13. Does the well have a unique name and number ......................... ~ (23 thru 28) Lease & Well No. NO 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. Is conductor string provided ........................................ ~ Will surface casing protect fresh water zones ....................... ~,~f Is enough cement used to circulate on conductor and surface ......... ..~ Will cement tie in surface and intermediate or production strings ... /;~ Will cement cover all known productive horizons ..................... /~ Will all casing give adequate safety in collapse, tension and burst.. ~ Is this well to be kicked off from an existing wellbore ............. Is old wellbore abandonment procedure included on 10-403 ............ Is adequate wellbore separation proposed ............................ Is a diverter system required ...... ' ................................ Is the drilling fluid program, schematic and list of equipment adequate ~ Are necessary diagrams and descriptions of ~-, ~ . ~--_.~_c~--_ BOPE attached //~ Does BOPE have sufficient pressure rating - Test to ~~ psig .. ,~ Does the choke manifold comply w/API RP-53 (Feb.78) .................. Is the presence of H2S gas probable ................................. __ (6) Do (29 thru 31) (6) Add: For exploratory and Stratigraphic wells: 29. Are data presented on potential overpressure zones? ................. 30. Are seismic analysis data presented on shallow gas zones ............ 31. If an offshore loc., are survey results of seabed conditions presented 32. Additional requirements ............................................. o ~o Geology: HWK .-':~ EngSneering: LCS ~' ..' .: '~ .... B~ rev: 04/03/86 6.011 POOL INITIAL GEO. i UNIT CLASS STATUS AREA NO. ON/OFF SHORE Well Histo,ry 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. :::.iT: 3 J ".~: T ,'t' 2 :: 0 O .3 5 ,'; } i} ! '~. :) ?., 5 3 :.} } ..} 2 3 :3 i i 3 ~, - "'"'" 3 ',2 !..),' 0 ~ 0 5 5 ii5o -- } ,.~ 25.:>1.5'033 5':" ,J ~j ,5. 5 7!~'9 iL3' ~ '~ Z S i 7 0 T ! :O. I :3 3:5 ! ,~ :. 2 5.: 3..s } 3'r :::..? 77} }T !. ' :: :> !-}. 7 '; ;, ::.. i l ,6.3 9 5 3 , ..:. 0 S 93 90. 7773 i I. "B 79 2. ~.570 ; :. ~ · .,., ,- . ! . 667i ~'~. !.:23 I i :,. 3273 C :? ., . · - Z 7, 77 q <,~ (} :' - 5 4, ?; 7 7 ,5 ~}, 2. ,::;: 3 } !: C T 2', ,, ::-) ~ ? 3 ! L ? ? 0 '" . j4. 1 357 :3T 402 ? 5 5.5 5 2.3 E 5. ~ 799 7:.. 5.. 9?; A. : 5 · ~'_, .;'** .5 7
