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Home My WebLink About186-024By Grace Christianson at 2:33 pm, Dec 18, 2024 Digitally signed by Sean McLaughlin (4311) DN: cn=Sean McLaughlin (4311) Date: 2024.12.18 13:58:06 - 09'00' Sean McLaughlin (4311) 324-709 SFD SFD DSR-12/20/24 *Window milling not approved on this Sundry, see PTD for 16-24B. *Variance request to 20 AAC 25.112(i) is approved for 1) alternate plug placement with all drilling within the PBU oil pool and 2) abandonment completed with fully cemented liner in sidetrack 16-24A. JJL 12/26/24 SFD 1/3/2025 * * Not a Plug for Redrill: The PBU 16-24 wellbore beneath the whipstock will not be isolated until the liner for the proposed redrill PBU 16-24A is cemented. That portion of PBU 16-24 will be considered open and retain the status of "Oil" until it is permanently isolated. SFD 10-407 &': &':IRU-/& Gregory C. Wilson Digitally signed by Gregory C. Wilson Date: 2025.01.07 14:53:13 -09'00'01/07/25 RBDMS JSB 010925 16,198' To: Alaska Oil & Gas Conservation Commission From:Ryan Ciolkosz Drilling Engineer Date: December 18, 2024 Re:16-24 Sundry Request Sundry approval is requested to set a whipstock and mill a window in the 16-24 wellbore as part of the drilling and completion of the proposed 16-24A CTD lateral. Proposed plan: Prior to drilling activities, screening will be conducted to drift for whipstock, caliper and MIT. E-line will set a 4- 1/2"x7" whipstock. E-line or coil will mill the SWN-nipple and Coil will mill the window pre-rig if unit is available. A coil tubing drilling sidetrack will be drilled with the Nabors CDR2 or CDR3 rig. The rig will move in, test BOPE and kill the well. If unable to set whipstock pre-rig, the rig will set the 4-1/2"x7" whipstock. A single string 3.80" window + 10' of formation will be milled. The well will kick off drilling in the Ivishak Zone 3 and lands in Zone 2. The lateral will continue in Zone 2 to TD. The proposed sidetrack will be completed with a 3-1/2"x3-1/4"x2-7/8” 13Cr solid liner, cemented in place and selectively perforated post rig (will be perforated with rig if unable to post rig). This completion will completely isolate and abandon the parent Ivishak perfs. This Sundry covers plugging the existing perforations via the liner cement job or liner top packer, if the liner lap pressure test fails (alternate plug placement per 20 AAC 25.112(i)). The following describes work planned and is submitted as an attachment to Form 10-403. A schematic diagram of the current wellbore and proposed sidetrack is attached for reference. Pre-Rig Work: (Estimated to start in Jan 15th, 2025) x Reference 16-24 Sundry submitted in concert with this request for full details. 1. Slickline : Dummy WS drift and Caliper 2. Fullbore : MIT-IA and/or MIT-T to 3,000 psi 3. E-Line : Set 4-1/2" Packer Whipstock top at 13,575’ MD at 0 degrees ROHS 4. Coil : Mill window and SWN to 3.80" 5. Valve Shop : Pre-CTD Tree Work 6. Operations : Remove wellhouse and level pad. Rig Work: (Estimated to start in February 2025) 1. MIRU and test BOPE 250 psi low and 3,500 psi high (MASP 2,460 psi). Give AOGCC 24hr notice prior to BOPE test. 2. Mill 3.80” Window(if not done pre-rig) - top of window at 13,580' MD (pinch point). 3. Drill build section: 4.25" OH, ~170' (28 deg DLS planned). 4. Drill production lateral: 4.25" OH, ~2,448' (12 deg DLS planned). Swap to KWF for liner. 5. Run 3-1/2” x 3-1/4” x 2-7/8” 13Cr solid liner (swap to VBRs and test prior to running liner) 6. Pump primary cement job: 42 bbls, 14.8 ppg Class G, 1.332 cuft/sk, TOC at TOL*. 7. Only if not able to do with service coil extended perf post rig – Perforate Liner 8. Freeze protect well to a min 2,200' TVD. 9. Close in tree, RDMO. * Approved alternate plug placement per 20 AAC 25.112(i) TOC at TOL*. Work below line not approved in this Sundry Not a Plug for Redrill: The PBU 16-24 wellbore beneath the whipstock will not be isolated until the liner for the proposed redrill PBU 16-24A is cemented. That portion of PBU 16-24 will be considered open and retain the status of "Oil" until it is permanently isolated. SFD Window milling not approved on this Sundry, see PTD for 16-24A - JJL Work above line approved on this Sundry Post Rig Work: 1. Valve Shop : Valve & tree work 2. Coil : CBL, perforate 1500' 3. Slickline : GLRD and/or LTP 4. Testing : Portable test separator flowback. Ryan Ciolkosz CC: Well File Drilling Engineer Joe Lastufka 907-244-4357 Pre-Rig – Service Coil – Window Milling The approved sundry and permit to drill will be posted in the Operations Cabin of the unit during the entire window milling operation. Notes for window milling: x Window milling with service CTU operations will fully comply with 20 AAC 25.286(d)(3), including the use of pressure control equipment, all BHAs fully lubricated and at no point will any BHA be open-hole deployed. Window Milling Procedure: 1. Kill well with 1% KCL if necessary. Well may already be killed from previous operations. 2. MU and RIH with window milling assembly – Window mill followed by string reamer. NOTE: Confirm milling BHA configuration prior to job execution due to variations in different service provider’s window milling BHAs. 3. RIH & TAG whipstock pinch point, calculate distance till string reamer is out of the window, paint coil flag and note in WSR. 4. Mill window per vendor procedure. – Make note of any WHP changes while milling window in the WSR. 5. Make multiple reciprocating passes through the kickoff point to dress liner exit and eliminate all burs. Perform gel sweeps as necessary to keep window clean. Maximum approved distance to reciprocate beyond the window is 15 ft to ensure confidence the window is prepared for the sidetrack.DO NOT RECIPROCATE DEEPER than 15 ft. 6. Confirm exited liner & string reamer dressed entire window with coil flag and note bottom of window and total milled depth in WSR. 7. FP well to 2,500’ TVD with 60/40 MeOH while POOH. 8. Once on surface inspect BHA, measure OD of mill and string reamer & document in WSR. 9. RDMO 10. Communicate to Operations to tag wing valve “Do Not POP”. Hazards: x DS 16 is an H2S pad. The last H2S reading on 16-24: 300 ppm on 02/24/2023. x Max H2S recorded on DS/Pad: 300 ppm. Reservoir Pressure: * The estimated reservoir pressure is expected to be 3,340 psi at 8,800 TVD. (7.3 ppg equivalent). * Maximum expected surface pressure with gas (0.10 psi/ft) to surface is 2,460 psi (from estimated reservoir pressure). Hole Size: * The window and 10’ of formation will be drilled with a 3.80” OD mill. Disposal: * All Class l & II non-hazardous and RCRA-exempt drilling and completion fluids will go to GNI at DS 4 or Pad 3. * Fluids >1% hydrocarbons or flammables must go to Pad 3. * Fluids >15% solids by volume must go to GNI. Pre-Rig – Service Coil – Window Milling – BOP Diagram Well Date Quick Test Sub to Otis -1.1 ft Top of 7" Otis 0.0 ft Distances from top of riser Excluding quick-test sub Top of Annular 2.75 ft C L Annular 3.40 ft Bottom Annular 4.75 ft CL Blind/Shears 6.09 ft CL 2-3/8" Pipe / Slips 6.95 ft B3 B4 B1 B2 Kill Line Choke Line CL 3.0" Pipe / Slip 9.54 ft CL 2-3/8" Pipe / Slips 10.40 ft TV1 TV2 T1 T2 Flow Tee Master Master LDS IA OA LDS Ground Level 3" LP hose open ended to Flowline CDR2-AC BOP Schematic CDR2 Rig's Drip Pan Fill Line from HF2 Normally Disconnected 3" HP hose to Micromotion Hydril 7 1/16" Annular Blind/Shear 2-3/8" Pipe/Slips 2 3/8" Pipe/Slips 2 3/8" Pipe/Slips 7-1/16" 5k Mud Cross 2-3/8" Pipe/Slips 3-1/8" Pipe / Slip Well Date Quick Test Sub to Otis Top of 7" Otis Top of Annular C L Annular Bottom Annular CL Blind/Shears CL 2-3/8" Pipe / Slips B6 B5 B8 B7 Choke Line Kill Line CL 3" Pipe / Slip CL 2-3/8" Pipe / Slips TV1 TV2 T1 T2 Flow Tee Master Master LDS IA OA LDS Ground Level CDR3-AC BOP Schematic CDR3 Rig's Drip Pan Fill Line Normally Disconnected 2" HP hose to Micromotion Hydril 7 1/16" Annular Blind/Shear 2-3/8" Pipe/Slips 2 3/8" Pipe/Slips 2 3/8" Pipe/Slips 7-1/16" 5k Mud Cross 2-3/8" Pipe/Slips 3" Pipe / Slip neceeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee Sundry Application Well Name______________________________ (PTD _________; Sundry _________) Plug for Re-drill Well Workflow This process is used to identify wells that are suspended for a very short time prior to being re-drilled. Those wells that are not re-drilled immediately are identified every 6 months and assigned a current status of "Suspended." Step Task Responsible 1 The initial reviewer will check to ensure that the "Plug for Redrill" box in the upper left corner of Form 10-403 is checked. If the "Abandon" or "Suspend" boxes are also checked, cross out that erroneous entry and initial it on the Form 10-403. Geologist 2 If the “Abandon” box is checked in Box 15 (Well Status after proposed work) the initial reviewer will cross out that checkbox and instead, check the "Suspended" box and initial those changes. Geologist The drilling engineer will serve as quality control for steps 1 and 2. Petroleum Engineer (QC) 3 When the RA2 receives a Form 10-403 with a check in the "Plug for Redrill" box, they will enter the Typ_Work code "IPBRD" into the History tab for the well in RBDMS. This code automatically generates a comment in the well history that states "Intent: Plug for Redrill." Research Analyst 2 4 When the RA2 receives Form 10-407, they will check the History tab in RBDMS for the IPBRD code. If IPBRD is present and there is no evidence that a subsequent re-drill has been completed, the RA2 will assign a status of SUSPENDED to the well bore in RBDMS. The RA2 will update the status on the 10-407 form to SUSPENDED, and date and initial this change. If the RA2 does not see the "Intent: Plug for Redrill" comment or code, they will enter the status listed on the Form 10-407 into RBDMS. Research Analyst 2 5 When the Form 10-407 for the redrill is received, the RA2 will change the original well's status from SUSPENDED to ABANDONED. Research Analyst 2 6 The first week of every January and July, the RA2 and a Geologist or Reservoir Engineer will check the "Well by Type Work Outstanding" user query in RBDMS to ensure that all Plug for Redrill sundried wells have been updated to reflect current status. At this same time, they will also review the list of suspended wells for accuracy and assign expiration dates as needed. Research Analyst 2 Geologist or Reservoir Engineer 186-024 324-709 Not a Plug for Redrill: If approved as proposed, the PBU 16-24 wellbore beneath the whipstock will not be isolated until the liner for the proposed redrill PBU 16-24A is cemented. That portion of PBU 16-24 will be considered open and retain the status of "Oil" until it is permanently isolated. SFD SFD 1/3/2025 SFD 1/3/2025 PBU 16-24 NA NA • bp BP Exploration (Alaska) Inc. Attn: Well Integrity Coordinator, PRB -20 Post Office Box 196612 Anchorage, Alaska 99519 -6612 May 20, 2012 .4 ELAUG ( 7 2012 Mr. Jim Regg I � Alaska Oil and Gas Conservation Commission (2 , 0,9J4 333 West 7 Avenue ` Anchorage, Alaska 99501 I f v _ Subject: Corrosion Inhibitor Treatments of GPB DS -16 Dear Mr. Regg, Enclosed please find multiple copies of a spreadsheet with a list of wells from GPB DS- 16 were treated with corrosion inhibitor in the surface casing by conductor annulus. The corrosion inhibitor is engineered to prevent water from entering the annular space and causing external corrosion that could result in a surface casing leak to atmosphere. The attached spreadsheet represents the well name, API and PTD numbers, top of cement depth prior to filling and volumes of corrosion inhibitor used in each conductor. As per previous agreement with the AOGCC, this letter and spreadsheet serve as notification that the treatments took place and meet the requirements of form 10 -404, Report of Sundry Operations. If you require any additional information, please contact me or my alternate, Gerald Murphy, at 659 -5102. Sincerely, Mehreen Vazir BPXA, Well Integrity Coordinator • • BP Exploration (Alaska ) Inc. Surface Casing by Conductor Annulus Cement, Corrosion inhibitor, Sealant Top-off Report of Sundry Operations (10-404) DS-16 Date: 03/06/2012 Corrosion Initial top of Vol. of cement Final top of Cement top Corrosion inhibitor/ Well Name PTD # API # cement pumped cement off date inhibitor sealant date ft bbls ft na gal 16-01 1801360 50029205330000 Sealed conductor NA NA NA NA NA 16-02 1801500 50029205440000 Sealed conductor NA NA NA NA NA 16-03 1810110 50029205540000 Sealed conductor NA NA NA NA NA 16-04A 1921510 50029205610100 Sealed conductor NA NA NA NA NA 16-05A 2010100 50029205740100 Sealed conductor NA NA NA NA NA 16-06B 2060110 50029205840200 Sealed conductor NA NA NA NA NA 16-07 1852040 50029214300000 Dust Cover NA NA NA NA NA 16-08A 1991260 50029205490100 Seeded conductor NA NA NA NA NA 16-09A 1910380 50029205580100 Sealed conductor NA NA NA NA NA 16-10A 1991230 50029205060100 Sealed conductor NA NA NA NA NA 16-11 1801180 50029205160000 Sealed conductor NA NA NA NA NA 16-12A 1990190 50029205650100 Sealed conductor NA NA NA NA NA 16-13 1810270 50029205660000 Sealed conductor NA NA NA NA NA 16-14B 2060030 50029205700200 Sealed conductor NA NA NA NA NA 16-15 1852640 50029214740000 6.0 NA 6.0 NA 39.10 10/25/2011 16-16 1801270 50029205250000 Sealed conductor NA NA NA NA NA 16-17 1852200 50029214410000 72.0 17.0 1.5 9/3/2011 8.60 3/6/2012 16-18 1852430 50029214610000 34.0 13.0 0.7 9/3/2011 8.50 10/25/2011 16-19 1852650 50029214750000 16.0 10.0 0.3 9/3/2011 2.60 3/6/2012 16-20 1852850 50029214930000 8.0 NA 8.0 NA 40.80 8/18/2010 16-21 1853120 50029215180000 29.0 10.0 0.3 9/3/2011 7.65 10/25/2011 16.22 1900510 50029220400000 8.0 NA 8.0 NA 51.00 8/23/2010 16-23A 2010540 50029220500100 5.3 NA 5.3 NA 32.70 8/23/2010 16.24 1860240 50029215360000 0.8 NA 0.8 NA 8.50 10/25/2011 16-25 1920510 50029222700000 0.3 NA 0.3 NA 10.20 10/25/2011 16-26A 1991270 50029222670100 1.0 NA 1.0 NA 8.50 8/18/2010 16-27A 2000040 50029222600100 1.3 NA 1.3 NA 10.20 8/18/2010 16-28 1920620 50029222760000 0.0 NA 0.0 NA 7.65 10/25/2011 16-29A 1920660 50029222720000 Sealed conductor NA NA NA NA NA 16-30 1920760 50029222810000 0.8 NA 0.8 NA 6.80 8/18/2010 16-31 1920750 50029222800000 0.5 NA 0.5 NA 5.10 8/18/2010 MICROFILMED 9/11/00 DO NOT PLACE ANY NEW MATERIAL .UNDER THIS PAGE STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION REPORT OF SUNDRY WELL OPERATIONS Jperations performed: Operation shutdown _ Stimulate_ Plugging _ Perforate _X Pull tubing _ Alter casing _ Repair well _ Other _X (In J->Prod conversion) 2. Name of Operator 5. Type of Well: 6. Datum elevation (DF or KB feet) Phillips Alaska, Inc. Development.__X RKB 70 feet 3. Address Exploratory__ 7. Unit or Property name P. O. Box 100360 Stratigraphic__ Anchorage, AK 99510-0360 Service__ Prudhoe Bay Unit 4. Location of well at surface 8. Well number 1679' FNL, 4019' FEL, Sec. 24, T10N, R15E, UM (asp's 720044, 5929269) 16-24 At top of productive interval 9. Permit number / approval number 581' FNL, 2101' FEL, Sec. 18, T11N, R16E, UM (asp's 725759, 5967513) 186-024/397-177 (Signed 10/16/1997) At effective depth 10. APl number 50-029-21536 At total depth 11. Field / Pool 393' FNL, 1995' FEL, Sec. 18, T1 ON, R16E, UM (asp's 726929, 5936043) Prudhoe Bay Oil Pool 12. Present well condition summar Total depth: measured 13950 feet Plugs (measured) Tagged PBTD @ 13592' MD (5/22/2000) true vertical 9210 feet Effective depth: measured 13592 feet Junk (measured) true vertical 8967 feet Casing Length Size Cemented Measured Depth True vertical Depth Conductor 112' 20" 1700 # Poleset 112' 112' Surface 2771' 13-3/8" 25o0 sx cs m & lOOO sx cs ~ 2841' 2695' Production 13477' 9-5/8" 500 sx C~ass G 13547' 8810' Liner 668' 7" 250 sx Class G 13944' 9204' Perforation depth: measured 13552'-13572'. 0 RIG IN A L true vertical 8940' - 8954'. · . Tubing (size, grade, and measured depth) 5-1/2", 17#, 13CR Tbg @ 13210' MD; 4-1/2", 12.6#, 13CR Tbg @ 13294' MI~,~.!;~!~;!! Packers & SSSV (type & measured depth) 9-5/8" x 4-1/2" Baker Packer @ 13222' MD; 5-1/2" Camco BAL-O SSSV @ 2197' MD. 13. Stimulation or cement squeeze summary Intervals treated (measured) (see attached) Treatment description including volumes used and final pressure 14. Representative Daily Averape Production or Injection Data Oil-Bbl Gas-Mcr Water-Bbl Casing Pressure Tubing Pressure Prior to well operation(injector) - 25914 - 2894 Subsequent to operation(producer) - 23578 (lots) 1143 15. Attachments 16. Status of well classification as: Copies of Logs and Surveys run ~ Daily Report of Well Operations __X Oil __X Gas ~ Suspended ~ Service 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. SignedErin Oba ~~ "~1~1 . ~ Title Phillips Engineering Supervisor Dateprepared¢"Z~--2¢OOby Paul Rauf 263-4990 Form 10-404 Rev 06/15/88 · SUBMIT IN DUPLICATE 16-24 DESCRIPTION OF WORK COMPLETED CONVERSION FROM INJECTOR TO PRODUCER & PERFORATING OPERATIONS Date Event Summary 6/22/1999: 4/03/2000: 4/25/2000: 5/22/2000: 6/07/2000: Performed AOGCC witnessed MITIA to 2000 psi - passed. Shutdown MI injection. RIH w/3-3/8" dummy perf gun & tagged PBTD @ 13727' ELM. Converted 16-24 from an MI injector to an oil producer as follows: MIRU ELU. PT'd equip to 3000 psi. RIH & set an Baker Inflatible Bridge Plug @ 13592' to isolate the existing perforation intervals listed below: 13638'- 13658' MD (Zone 2) 13685' - 13718' MD (Zone 2) POOH w/setting tool. RIH w/perforation guns & shot 20' of add perforations located @: 13552' - 13572' MD (Zone 2C) Reference Log: BHCS 2/22/1986. Used 3-3/8" carriers & all shots @ 6 SPF. POOH w/guns. ASF. RD. Placed well BOL @ 1641 hrs. It produced lots of water and gas but no oil. This well is shut in. Well work options are currently being evaluated. I***Facility piping modifications were performed during this conversion process. This 10-404 I closes out the sundry application w/approval number 397-177 signed 10/16/1997. I STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION REPORT OF SUNDRY WELL OPERATIONS · Operations performed: Operation shutdown _ Stimulate _X Plugging _ Perforate _ Pull tubing _ Alter casing _ Repair well _ Other _ 2. Name of Operator 5. Type of Well: 6. Datum elevation (DF or KB feet) ARCO Alaska, Inc. Development_ RKB 70 feet 3. Address Explorato~__ 7. Unit or Property name P. O. Box 100360 Stratigraphic_ Anchorage, AK 99510-0360 Service___x Prudhoe Bay Unit 4. Location of well at surface 8. Well number 1679' FNL, 4019' FEL, Sec. 24, T10N, R15E, UM 16-24i At top of productive interval 9. Permit number / approval number 581' FNL, 2828' FWL, Sec. 18, T11 N, R16E, UM 86-24 / 397-177 At effective depth 10. APl number 50-029-21536 At total depth 11. Field / Pool 393' FNL, 1995' FEL, Sec. 18, T1 ON, R16E, UM Prudhoe Bay Oil Pool 12. Present well condition summar Total depth: measured 13950 feet Plugs (measured) Tagged PBTD @ 13728.5' MD (3/04/1999) true vertical 9210 feet Effective depth: measured 13728.5 feet Junk (measured) true vertical 9061 feet Casing Length Size Cemented Measured Depth True vertical Depth Conductor 1 12' 20" 17oo # Poleset 1 12' 112' Surface 2771' 13-3/8" 2500 sx cs m & lOOO Sx cs ~ 2841' 2695' Production 13477' 9-5/8" 500 Sx C~ass G 13547' 8810' Liner 668' 7" 250 Sx C~ass G 13944' 9204' RECEIVED Perforation depth: measured 13638'- 13658'; 13685'- 13718'. ~[~j .~ true vertical 8999' - 9013'; 9031' - 9054'. ~!ask, a Oil & Gas Cons. Anchorage Tubing (size, grade, and measured depth) 5-1/2", 17#, 13CR Tbg @ 13210' MD; 4-1/2", 12.6#, 13CR Tbg @ 13294' MD. Packers & SSSV (type & measured depth) 9-5/8" x 4-1/2" Baker Packer @ 13222' MD; 5-1/2" Camco BAL-O SSSV @ 2197' MD. 13. Stimulation or cement squeeze summary Intervals treated (measured) (see attached) 0RI INAL Treatment description including volumes used and final pressure 14. Representative Daily Average Production or Injection Data OiI-Bbl Gas-Md Water-Bbl Casing Pressure Tubing Pressure Prior to well operation (shut-in) - Subsequent to operation 25914 2894 15. Attachments 16. Status of well 'classification as: Copies of Logs and Surveys run ~ Daily Report of Well Operations .__X Oil __ Gas __ Suspended __ Service X 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. Signed -~.~ ~j~ ~ Title Arco Engineering Supervisor Date Erin Oba ° Prepared by Paul Rauf 263-4990 Form 10-404 Rev 06/15/88 · SUBMIT IN DUPLICATE 16-24i DESCRIPTION OF WORK COMPLETED MUD ACID STIMULATION Date Event Summary 5/23/99: Performed a CT Acid Stimulation Treatment to increase injectivity as follows: MIRU CTU. PT'd equip. RIH & attempted twice to set inflatable treatment packer @ 13595' MD. No set or seal. POOH w/packer. RIH w/CT & pumped the following fluids schedule: (a) 46 bbls of 50% Diesel/50 Xylene @ 1-2 bpm, followed by (b) 100 bbls of 12% HCL - 10% Xylene - 3% Acetic Acid, followed by (c) 50 bbls of 9% HCL - 1% HF - 3% Acetic Acid, followed by (d) 50 bbls of 12% HCL - 10% Xylene - 3% Acetic Acid, followed by (e) 287 bbls of 2% NH4CL, followed by (e) 40 bbls of 60/40 MEOH Water, followed by (f) shutdown. POOH w/CT & RDMOL. Returned well to MI injection and obtained valid injection data. STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION REPORT OF SUNDRY WELL OPERATIONS 1. Operators performed: Operation shutdown _ Stimulate _ Plugging _ Pull tubing _ Alter casing _ Repair well _ 2. Name of Operator ARCO Alaska, Inc. 3. Address P. O. Box 100360 Anchorage, AK 99510-0360 5. Type of Well: Development__X Exploratory__ Stratigraphic__ Service__ Per/orate _X Other _ 6. Datum elevation (DF or KB feet) RKB 73 feet 7. Unit or Property name Prudhoe Bay Unit 4. Location of well at surface 1613' FNL, 1152' FEL, Sec. 9, T10N, R14E, UM At top of productive interval 1241' FNL, 1387' FEL, Sec. 09, T10N, R14E, UM At effective depth At total depth 1004' FNL, 1474' FEL, Sec. 9, T10N, R14E, UM 12. Present well condition summar Total depth: measured true vertical 9380 feet Plugs (measured) 9238 feet 8. Well number 14-05A 9. Permit number / approval number 92-01 10. APl number 50-029-20327-01 11. Field / Pool Prudhoe Bay Oil Pool PBTD tagged @ 9024 (5/06/1999) Effective depth: Casing Conductor Surface Production Liner Scab Liner measured true vertical Length 124' 2664.8' 8560.8' 1796' 1796' 9024 feet Junk (measured) 8929 feet Size Cemented Measured Depth True vertical Depth 20" 300 Sx AS 124' 124' 13-3/8" 4234 Sx Permafrost 2736' 2736' 9-5/8" 1000 Sx C~ass G 8632' 8588' 7" 425 Sx C~ass G 7584' - 9380' 7578' - 9238' 7" 546 Sx C~ass G 3747' - 7584' 3747' - 7578' Perforation depth: measured 8922'-8932'; 8937'-8941'. RECEIVED true vertical 8841' - 8850'; 8854' - 8857'. Tubing (size, grade, and measured depth) Packers & SSSV (type & measured depth) JUL 0 ]999 Alaska 0/I & Gas Cons. Commission 4-1/2", 12.6#, 13CR-NSC Tbg @ 7709' MD; 4-1/2", 12.6#, 13CR-80 Tbg @ 8443' MD. ~chorago 7. x 9-5/8. zxP PACKER @ 3747' MD; 7" JMZXP tieback PACKER @ 7573' MD. 7" TIW HBBP PACKER @ 8381' MD 4-1/2" SSSV Nipple @ 2213' MD. 13. Stimulation or cement squeeze summary Intervals treated (measured) (see attached) Treatment description including volumes used and final pressure ORIGINAL 14. OiI-Bbl Prior to well operation (shut in) Subsequent to operation 105 Representative Daily Average Production or Injection Data Gas-Md Water-Bbl 340 0 Casing Pressure Tubing Pressure 241 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. Signed '~.~'~ '~¢'~ · ~ Title Arco Well Group Supervisor Erin Oba Date 7-~7-?~ Prepared by Paul Rauf 263-4990 Form 10-404 Rev 06/15/88 · SUBMIT IN DUPLICA~E~ 14-05A DESCRIPTION OF WORK COMPLETED ACID WASH / CEMENT SQUEEZE FOR GSO & PERFORATION Date Event Summary 3/23/1999: 3/30/1999: 4/09/1999: 4/11/1999: 4/14/1999: 5/06/1999: Performed FCO to 9054' MD. Tagged BTM @ 9060' MD. A CTU Acid wash / Cement Squeeze was performed for GSO as follows: MIRU CTU. PT'd BOPE. RIH & killed well w/1% KCL Water. Swapped to Crude. Tagged PBTD @ 9039' MD. Reciprocated an Acid Wash across the open perforation intervals listed below: 8773' - 8787' MD 8793'- 8807' MD 8921'- 8932' MD 8937'- 8947' MD Pumped: (a) 10 bbls 70% Diesel / 20% Xylene / 10% Mutual Solvent, followed by (b) 15 bbls 12% HCL - 10% Xylene - 3% Acetic Acid, followed by (c) 160 bbls 1% KCL Water, followed by (d) shutdown. Pumped 30 bbls Neat Latex Resistive Acid Cement, followed by 26 bbls of LARC w/ Aggregate, followed by 20 bbls of Neat LARC. Placed 31 bbls Neat LARC & 25 bbls of LARC w/Aggregate behind pipe at a max squeeze press of 2000 psi. Contaminated Cement w/Biozan & cleaned out to 8750' MD. POOH. Left 500 psi on wellhead. RD. RIH & tagged TOC @ 8769' MD. UR'd to 9020' MD. RIH & tagged PBTD @ 9030' MD. RIH & shot 14' of Reperforations located @: 8922' - 8932' MD (Zone 4) Reference Log: BHCS 1/31/1992. 8937' - 8941' MD (Zone 4) Used 3-3/8" carriers & shot all perfs @ 6 SPF, 60° phasing, & random orientation. POOH w/ perf guns. ASF. RD. RIH & tagged PBTD @ 9024' MD. Returned well to production & obtained welltest data. STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION REPORT OF SUNDRY WELL OPERATIONS 1. Operations performed: Operation shutdown _ Stimulate _ Plugging _ Per/orate _X Pull tubing _ Alter casing _ Repair well _ Other _X 2. Name of Operator ARCO Alaska, Inc. 3. Address P. O. Box 100360 Anchorage, AK 99510-0360 4. Location of well at surface 1679' FNL, 4019' FEL, Sec. 24, T10N, R15E, UM At top of productive interval 581' FNL, 2828' FWL, Sec. 18, T11 N, R16E, UM At effective depth At total depth 393' FNL, 1995' FEL, Sec. 18, T1 ON, R16E, UM 5. Type of Well: Development__ Explorato~__ Stratigraphic__ Service__X 6. Datum elevation (DF or KB feet) RKB 70 feet 7. Unit or Property name Prudhoe Bay Unit 8. Well number 16-241' 9. Permit number / approval number 86-24 / 397-177 10. APl number 50-029-21536 11. Field / Pool Prudhoe Bay Oil Pool 12. Present well condition summar Total depth: measured true vertical 13950 feet 9210 feet Effective depth: measured 13728.5 feet true vertical 9061 feet Casing Length Size Conductor 112' 20" Surface 2771' 13-3/8" Production 13477' 9-5/8" Liner 668' 7" Plugs (measured) Junk (measured) Tagged PBTD @ 13728.5' MD (3/04/1999) Cemented Measured Depth True vertical Depth 17oo # Poleset 112' 112' 2500 Sx CS m & 1000 Sx CS ~ 2841' 2695' 500 Sx C~ass G 13547' 8810' 250 Sx Class G 13944' 9204' Perforation depth: measured 13638'- 13658'; 13685'- 13718'. true vertical 8999' - 9013'; 9031' - 9054'. Tubing (size, grade, and measured depth) Packers & SSSV (type & measured depth) 5-1/2", 17#, 13CR mbg @ 13210' MD; 4-1/2", 12.6#, 13CR mbg @ 13294' MD. Ohs, AnChorage 9-5/8" x 4-1/2" Baker Packer ~ 132~' MD; 5-1/2" Camco BAL-0 SSSV ~ 2197' MD. 13. Stimulation or cement squeeze summary Intervals treated (measured) (see attached) Treatment description including volumes used and final pressure 14. Prior to well operation Subsequent to operation Representative Da ly Average Production or Injection Data OiI-Bbl Gas-Md Water-Bbl . Shut in pending acid stimulation - 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 __ Gas __ Suspended Service X 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. Signed ~ '~ . ~ Title Arco Engineering Supervisor Erin Oba Prepared by Paul Rauf 263-4990 Form 10-404 Rev 06/15/88 · SUBMIT IN DUPLICATE 16-24i DESCRIPTION OF WORK COMPLETED PRODUCER TO MISCIBLE INJECTION CONVERSION (SQUEEZE/PERFORATION) Date Event Summary 1/29/98: 2/6/1998: 2/15/1998: 8/29/1998: 8/30/1998: 9/10/1998: 3/04/1999: 3/06/1999: RIH & retrieved IBP. Tagged PBTD @ 13826' MD. A CTU Cement Squeeze for Conversion of a Producing well to a Miscible Injection well was performed as follows: MIRU CTU. PT'd equip. Killed well. RIH & tagged PBTD @ 13826' MD. Pumped 20 bbls of Neat Latex Acid Resistive Cement, followed by 42 bbls of LARC w/ Aggregate, followed by 37 bbls of LARC to sqz off the open perforations listed below: 13542' - 13582' MD (Zone 3) Reference Log: BHCS 2/22/1986. 13610' - 13652' MD (Zone 3) 13684' - 13692' MD (Zone 21 13748'- 13766' MD (Zone 21 Placed 55 bbls of Cement behind pipe & attained a max sqz press of 3200 psi for 1 hr. Contaminated Cement w/Biozan & cleaned out contaminated Cement to 13780' MD. POOH leaving 500 psi on wellhead. RD. PT'd sqz - failed 0.8 bpm leak rate @ 1000 psi. RIH & performed FCO f/13670' - 13764' MD. A CTU Cement Re-squeeze was performed as follows: MIRU CTU. PT'd equip. Killed well w/150° 1% KCL Water. RIH &tagged PBTD @ 13757' MD. Pumped 10 bbls of Neat Latex Acid Resistive Cement, followed by 51 bbls of LARC w/Aggregate, to squeeze off the open perforation intervals mentioned above. Placed 14 bbls of Cement behind pipe & attained a max sqz press of 3500 psi. Contaminated Cement w/Biozan & cleaned out contaminated Cement to 13771' MD. POOH leaving 500 psi on wellhead. RD. MIRU ELU & PT'd equip. RIH w/perf guns to PBTD & shot 30' of Perforations @: 13638' - 13658' MD (Zone 2C) Reference Log: BHCS 2/22/1986. 13708' - 13718' MD (Zone 2B) Used 2-7/8" carriers. All shots 6 SPF & 60° phasing. POOH w/guns. ASF. RD. MIRU ELU & PT'd equip. RIH w/perf guns to PBTD @ 13728.5' MD & Reperforated 33' @: 13638' - 13651' MD (Zone 2C) Reference Log: BHCS 2/22/1986. 13685' - 13705' MD (Zone 2B) Used 3-3/8" carriers and all shots were 6 SPF, Overbalanced, & 60° phasing. POOH. ASF. RD. Performed Injectivity test w/Crude. This well is currently suspended awaiting a future acid stimulation treatment. ~'~"- STATE OF ALASKA ~'~ / ,LASKA OIL ANB GAS CONSERVATION COMMISSION APPLICATION FOR SUNDRY APPROVALS 1. Type of request: Nter oasing _ Change approved program _ Abandon _ Suspend __ Operaf~on Shutdown __ Repair weft _ Plugging __ Time extension __ Pull tubing __ Variance __ Perforate _X 5. Type of Well: 6. Datum of elavation (DF or KB feet): Development_X 70' RKB Exploratory__ 7. Unit or Property: Stratagrapic __ Service _ 2. Name of Operator:. ARCO Alaska, Inc. 3. Address: P.O. Box 100360 Anchorage, AK 99510-0360 4. Location of well at surface: 8. 1683' FNL, 1260' FWL, Sec 24, T10N, R15E, UM At top of productive interval: 9. 581' FNL, 2828' FWL, Sec , 8, T1, ,, R16E, UM ORIGINAL At effective depth: 418' FNL, 3030' FWL, Sec 18, T10N, R16E, UM At total depth: 392' FNL, 3061' FWL, Sec 18, T10N, R16E, UM Prudhoe Bay Unit Well number: 16-24 Permit number: 86-24 10. APl number: 50-029-21536 1. Field/Pool: Prudhoe Bay Oil Pool Reenter suspended well _ Stimulate _X Ol~er _X 12. Present well condition summary Total Depth: measured 13950 feet true vertical 9208 feet Plugs (measured) Bridge Plug @ 13593' MD. Effective Depth: measured 13593 feet Junk (measured) true vertical 8968 feet Casing Length Size Cemented Measured depth True vertical depth Conductor 80' 20" 1700# Pole Set 112' 112' Surface 2810' 13-3/8" 2500 Sx CS III & 2841' 2695' 1000 Sx CS II Production 13516' 9-5/8" 500 Sx Class G 13547' 8935' Liner 668' 7" 250 Sx Class G 13944' 9204' Perforation Depth measured 13542- 13582'; (Isolated below Bridge Plug: 1361 O- 13652'; 13684-13692'; 13748-13766') true vertical 8934- 8961" Isolated below Bridge Plug: 8980- 9008'; 9028- 9052'; 907!,"~:90_.85') Tubing (size, grade, and measured depth) 5-1/2", 17#, 13 CR-80 Tbg @ 13210' MB; 4-1/2", 12.6#, 13 CR-80, Tbg @ 13294' MD. ',. Packers and SSSV (type and measured depth) Baker Packer @ 13222' MD; Camco BaI-O SSSV @ 2197' MD. '~ 13. Attachments 14, Estimated date for commencing operation Description summary of proposal _X November, 1997 16. If proposal was verbally approved Name of approver Date approved 17. I hereby certify that the forgoing is true and correct to the best of my knowledge. Detailed operations program _ BOP sketch _X 15. Status of well classification as: Oil _X Gas _ J Service Suspended_. Title: Engineering Supervisor FOR COMMISSION USE ONLY Conditions of approval: Notify Comission so representitive may witness Plug integrety _ BOP test ~ Location clearance _ Mechanical integrety test_ Subsequent form required 10- Approved by orderofthe Commissioner 0avid W. Johnston Form 10-403 Rev 06/15/88 .re' k.~ ~'~'/z/¢~°mm'ss'°ner JApprova, No. ~.,~,__ / 7¢ Date SUBMIT IN TRIPLICATE 16-24 Intended Procedure MI Stimulation Treatment 1. RU CT. RIH & cement squeeze off all the existing perforation intervals. 2. Perforate low in the well at about 13635 - 13655' & 13705 - 13715' MD. 3, Inject MI for about a year (about 8 bcf total). 4, Squeeze off the lower open perforation intervals. 5, Perforate high in the well at about 13545 - 13565' MD. 6, Return the welt to production. The expectation is that injected MI will drive oil to the offset wells, and that bringing the well back on production will pull back mobile oil that has floated to the upper perforated intervals. However, the main purpose is to drive oil to offset wells. This is part of a pilot program to test the recovery concept. October 6, 1997 5 4 3 2 C0~LED TUB],NG UNIT BOP EI)U ! PHENT 1. 5000 PSi 7" WELLHEAD CONNECTOR FLANGE 2. 5000 PSI 4 1/16" PIPE RAMS 3. 5000 PSI 4 1/6" HYDRAULIC SLIPS 4. 5000 PSI 4 1/6" SHEAR RAMS 5. 5000 PSI 4 1/6" BLIND RAMS 6. 5000 PSI 4 1/16" STUFFING BOX 2 HIREL]NE BOP EOUIPHENT II iii I. 5000 PSI 7" WELLHEAD CONNECIOR rLANG£ i 2. 5000 PSI WlRELINE RAIdlS (VARIABLE SIZE) i 3. ~000 PSI 4 1/6" LUBRICATOR 4. 5000 PSI 4 1/6" FLOW TUBE PACK-Orr Drill Site: 16 Well: K-VAL%-E DEal ~i'~ Sat Oct 22 ",.u-~.,z:~ ii DO~ ~Y' ~.~m~bbuzta: 340 ~b±~ ~ ou ~ r I I J I r"±'~ ~ u~o~ (ZSiG): 150 PSiG ;~ ,; .... This well historically operates in a manner which causes the k-valve to d'nmp approximately i30 psi above_ design. This design should dump at abont 260 psi ~.u. SkiRT / N.G. SHOEi',~ PRB 20 r~ z uo ~upervisor Z'~ i4 F:'intin9 contents of current screen - wait for message Lo clear D.A. Cismoski AYO- 1509 (W±'±'~uu'z ATTACHNEi'{~S ) STATE OF ALASiCA (C0%~ ONLY) / Drill Site: 16 Well: 24 K-VALVE DESIGN Thu Sep 29 11-51:47 1994 DOME SET PRESSURE: 445 PSIG @ 60 DEG F FTP @ CLOSE (PSIG): 280 PSIG K-VALVE CLASS (A,B,C): A COMMENTS: K-VALVE DESIGNED TO DUM~ AT 280 PSI WHICH IS 20 PSI D~OVE SEPARATOR PRESSUP~. CC: ENGINEERING FILE / COORDINATOR PRB 24 (WITH ATTACHMENTS) J.C. S~.RT / M.G. SHOEM~KE PRB 20 (WITHOUT ATTACHMENTS) R. A. WELLS / G. I. WILLIAMSON PRB 14 (COVER ONLY) D. A. CISMOSKI ATO 1509 (WITHOUT ATTACHMENTS) STATE OF ALASKA (COVER ONLY) DESIGNED BY: MJB 9/29/94 / xx. x, ux:x outtvr.,x IN'J.'ERPRETATION Common Abbreviations L U. = Lower Upset Corr. = Corrosio~ v.u. = opec- vrse~ pep. = vep~s u.B. = upper Body Scat& = So, tiered I'm B. = middle Body . Sh~ll. = Shallow I.B. ,, lower Body TABULATION SHEET: lOIN'TS: are numbered from the top dOwn. Numbering starts with the first full joint below the Christmas tree. PUP JOINTS: are designated by decimal numbers. For example, joint 32.1 represents the first pup joint below joint no. 32. SPECIAL TOOLS & NIPPLES: are designated by letters. For example, "B" is the second spedal tool or nipple from the top of the well. GAS LIFT MANDRELS;: are numbered down from the top, as shown: GLM (1), GLM (2), etc. TABULATiON SYMBOLS We use a circle as the basic tabulation symbol. The Kirdey CaUper records the simultaneous action of all fifteen or thirty feelers. Our survey, therefore, has either 15 or 30 lines. These lines provide a view around the circumference of the inner surface of the pipe. A complete circle on the tabulation sheet indicates that at least 14 of 15 feelers, or 28 of 30 feelers found tubing wall reductions at the same depth in the well. This would be described as a ring. The number of feelers that indicate tubing wall reductions at the same depth is also noted on the tabulation sheet. For a 15-Feeler Caliper O3to5 F"] 6 to 9 F"] 10 to 13 F'] 14 to 15 For a 30-Feeler Caliper. F-~ 6 to 11. D 12 to 19 D 20 to 27 F-[ 28 to 30 MF~ S IiREM. E,~ SYMBOLS F~] 'A PIT- A number alone represents the depth of penetration, expressed in hundredtks of an inch, of the deepest pit. In this example 0.08'. A groove around the pipe, found by 14 of 15 feelers or 28 of 30 feelers. The number inside the circle represents the maximum depth of the ring, expressed in hundredths of an inch. A PARTIAL RING - A groove arotmd the pipe, found by 3 to 13 of 15 feelers or 6 to 27 of 30 feelers. The number inside the partial circle represents the maximum depth of the ring, expressed in hundredths of an inch. MINOR DAMAGE - Indicates a "minor" amount of damage that is not severe enough to warrant measurement. O NO COMMENT - Indicates no damage was found in that joint. Arco (Alaska), Inc. Prudhoe Bay, AK Drill Site g4-19 November 25, 1994 Survey No. 24386 Chart No. X1624 & M1320 X1614 & M1333 APl #: 50-029-21791-00 This is the first survey of this well to be made with the Kinley 30-Feeler Caliper. The condition of the internal surface of the 7" 26# Buttress tubing in the well, from 0' to 3,019' (WLM), and the 5 1/2" 17# Buttress tubing in the well, from approximately 3,019' (WLM) to 3,110' (.WLM), is covered in this report. Two tandem runs of this well were made. This report is a composite analysis of all four chart recordings. 7" 26//BUTTRESS The deepest penetrations recorded in the survey are scattered shallow pits located in the upper flow coupling and lower pup joints of the "SSSV" Assembly (Jt. #'s 50.2 and 50.4). These penetrations measure .03" or 8% of the pup joint wall thickness. As there are no penetrations recorded in excess of 20% of the tubing wall thickness, the usual cross-sectional drawing and Pit Depth Rank Chart are not included in the report. The condition of the tubing surveyed and analyzed appears good with respect to corrosive damage. However, indications of minor damage in two joints are recorded in the form of scattered pits. Drive wheel slippage occurred between Jt. #'s 10 and 18 of the 7" 26# tubing, resulting in shorter than normal joint length recordings. However, the amount of slippage appears to be negligible. 5 1/2" 17# BUTTRESS The deepest penetrations recorded in the survey are areas of roughness located in the first two · pup joints below the crossover. These penetrations measure .01" or 3% of the pup joint wall thickness. As there are no penetrations recorded in excess of 20% of the tubing wall thickness, the usual cross-sectional drawing and Pit Depth Rank Chart are not included in the report. The condition of the tubing surveyed and analyzed appears good with respect to corrosive damage. However, indications of minor damage are recorded in a few of the joints in the form of roughness of the tubing I.D. The pup joints above and below the tool assemblies and GLM's are given individual joint numbers. Indications of minor corrosive activity is recorded in a few of these joints. Photocopies of the recordings for some of these assemblies are included in the report. One caliper chart sustained surface damage during the caliper run. As a result, photocopies of the recordings of Chart No. M1333 may contain areas of darkness. ARCO (Alaska), Inc. Prudhoe Bay, AK Drill Site//4-19 Page 2 Survey #24386 CALIPER TECHNICIAN Kenneth Bulloch SURVEY ANALYST Jon Chance jc Distribution: ARCO (ALASKA), INC., ATI~ENTION: Mr. Mike Shoemake/Mr. John Smart, P. O. Box 10-3240, Anchorage, AK 99510-3240 (1R) ARCO (ALASKA), INC., ATTENTION: Mr. Dan Stoltz, P. O. Box 10-3240, Anchorage, AK 99510-3240 (1R) ARCO (ALASKA), INC., ATTENTION: Mr. Jason Weaver, Rm. #ATO-1788, P. O. Box 10-3240, Anchorage, AK 99510-3240 (IR) ARCO (ALASKA), INC., ATFENTION: Ms. Lillian Tiulana, P. O. Box 100360, ANO- 848, Anchorage, AK 99510 (1R) ARCO (ALASKA), INC., ATFENTION: Ms. Karla Zuspan, P. O. Box 100360, ANO- 1529, Anchorage, AK 99510 (3R) AOGCC, ATTENTION: Mr. Larry Grant, 3001 Porcupine Drive, Anchorage, AK 99510 (IR) EXXON COMPANY U.S.A., INC., ATTENTION: Ms. Susan Nisbit, 800 Bell, Ste. 3083, Houston, TX 77002-7426 (1R) B. P. EXPLORATION, Petrotechnical Data Center, MB3-3, ATFENTION: Ms. Sonja Wallace, P. O. Box 196612, Anchorage, AK 99519-6612 (1R) Chart received: 11-28-94 Report mailed: 12-14-94 KINLE. .CALIPER TALLY SH,~T (Composite) DRILL SITE 4-19 Survey # 24386 November 25, 1994 7" 26# BUTTRESS Body: 0.362 Upset: 0.362 Penetrations Over 85% (Possible Hole) # of Jts Penetrations 41 - 85% (Poor) Penetrations 21 - 40% (Fair) Penetrations 11 - 20% (Good) Penetrations 1 - 10% (Very Good) No Penetrations Recorded TOTAL JOINTS SURVEYED: 73 75 ( Includes 8 Pup Joints ) KINLEY CORROSION PROFILE DRILL SITE 4-19 PRUDHOE BA Y, AK November 25, 1994 SURVEY # 24386 7" 26# BUTTRESS CORROSIVE DAMA GE FREO UENC Y DIS TRIBUTIONS MAXIMUM PENETRATION NUMBER OF JOINTS ~l ~1 ~1 ~1,' % WALL LOSS CONFIGURATION NUMBER OF JOINTS DESC~PTION BODY PENETRATIONS 10 20 30 15t full length Jr. I.~iow Tl'[:~f· % WALL LOSS 20 40 60 80 100 6 12 18 24 30 ,?6 PIT DEPTH (1/'100 inch/ 7" 26# BUTTRESS Body: 0.362 Upset: 0.362 Chart # X1624 M1320 Feeler Ratio I · 1 j{31ivt' IAI ULAIIO SHEET DR,,.L SITE 4-19 PRUDHOE BAY, AK Survey # 24386 November 25, 1994 Run # 1 MAXIMUM MAXIMUM UPSET/MAKEUP BODY JOINT PENETRATION PENETRATION NO COMMENTS Jr. 1st full length Jt. below Tree Jt. Jt. Jt. DAMAGE PROFILE 0 (% WALL) 1( -BODY I -UPSET J JINI' I'ABULATION SHEET 7" 26~ BUTTRESS Body: 0.362 Upset: 0.362 Chad # X1624 M1320 Feeler Ratio I · 1 DRILL SITE 4-19 PRUDHOE BAY, AK Survey # 24386 November 25, 1994 Run # 1 MAXIMUM MAXIMUM UPSET/MAKEUP BODY DAMAOE JOINT PENETRATION PENETRATION PROFILE NO % ~NCHES % ~NCHES COMMENTS o (% WALL) 1( ........ 50.1 Pup Jt. ,50.,2 .... ! ',.8 ',ii', 0.03 Sc. aM. shallow pits; Flow couPling; "SSSV'~ Assembly (A) ~ 50.3 Flow coupling .... 50.4 ...... 8 0.03 ,S, ca~,. shallow pits,; Pup Jt. , , ~ 51 52' ,,54 , , 5:5 ,, , 56 58 , ,,60 '"' Slippag~ ' 61 ....... 62 , 63 64, 65 ........... 67 s'UrVey end.s. ,~, J,t,. g67 @ 3,019' (WLM) , -BODY I -UPSET KINLI~_ CALIPER TALLY SHEET (Composite) DRILL SITE 4-19 Survey # 24386 November 25, 1994 5 1/2" 17# BUTTRESS Body: 0.304 Upset: 0.304 Penetrations Over 85% (Possible Hole) # of Jts Penetrations 41 - 85% (Poor) Penetrations 21 - 40% (Fair) Penetrations 11 - 20% (Good) Penetrations 1 - 10% (Very Good) No Penetrations Recorded i , ,, TOTAL JOINTS SURVEYED: ( Includes 3 Pup Joints ) KINLEY CORROSION PROFILE DRILL S/TE 4- 19 PRUDHOE BA Y, AK November 25, 1994 CORROSIVE DAMA GE FREOUENC Y DISTRIBUTIONS MAX/MUM PENETRATION NUMBER OF JOINTS % WALL LOSS CONFIGURATION r NUMBER OF JOINTS DESCRIPTION SURVEY ti 24386 5 1/2" 1 7# BUTTRESS BODY PENETRATIONS P~cAer As.~embly (A) full I~ng~h J[ below Tr~ Nioole (B); £0S @ 3, I 10' (WLM) % WALL LOSS 20 40 6O 80 6 Y 2 ! 8 24 30 P/T DEPTH (1/100 inch) JOINT NO 0.2 , , , CALIPER JOINT TABULA TIO~ SHEET 5 1/2" 17# BUTTRESS Body: 0.304 Upset: 0.304 Chart # X1614 M1333 Feeler Ratio 1: I DRILL SITE 4-19 PRUDHOE BAY, AK Survey # 24386 November 25, 1994 Run # 1 MAXIMUM UPgET/MAKEUP PENETRATION % I,!N,criES, MAXIMUM BODY PENETRATION % [INCHES 3 lO.m: I"" 0.01" COMMENTS Roughness; Pup Jt. Roughness; .Pup Jt. Pup Jt.; Packer Assembly (A) 1st full length Jt. below X-over "XN" Nipple Assembly (B); Survey ends in Jt. #2 @ 3,110' (WLM) DAMAGE PROFILE ~nn 0 (% WALL) '.~" BODY I -UPSET m 2 " ' 2 2 '. .. · !.. o .. . . ; .. · : : · · ' 2 · : · .o . , I "~ '1 ,~ --'~ L- ' ' · ' . ,! · o , ,. _* o .... STATE OF ALASKA _ ALASKA, .AND GAS CONSERVATION CO. IlSSION REPORT OF SUNDRY WELL OPERATIONS 1. Operations performed: Operation shutdown Stimulate Plugging Perforate X Pull tubing Alter casing Repair well Other 2. Name of Operator ARCO Alaska, Inc. 3. Address P.O. Box 100360, Anchorage, AK 99510-0360 4. Location of well at surface 1683' FNL, 1260' FWL, Sec. 24, T10N, R15E, UM At top of productive interval 581' FNL, 2828' FWL, Sec. 18, T10N, R16E, UM At effective depth 418' FNL, 3030' FWL, Sec. 18, T10N, R16E, UM At total depth 392' FNL, 3061' FWL, Sec. 18, T10N, R16E, UM 5. Type of Well Development Exploratory Stratigraphic Service X REC£1¥£D SEP 2~ 1994 Gas Cons. Commission ~nchore,~e 6. Datum of elevation(DF or KB) 70 RKB feet 7. Unit or Property Prudhoe Bay Unit 8. Well number 16-24 9. Permit number/approval number 86-24 10. APl number 50 - 029-21536 11. Field/Pool Prudhoe Bay Oil Pool 12. Present well condition summary Total depth: measured true vertical Effective depth: measured true vertical Casing Length Conductor 80" Surface 2810' Production 13516' Liner 668' 13950 feet 9208 feet 13568 feet 8952 feet Junk(measured) Size Cemented 20" 1700# Pole Set 13-3/8" 2500 sx CS III & 1000 sx CS II 9-5/8" 500 sx CL G 7" 250 sx CIG Plugs(measured) Bridge Plug @ 13593' MD; Fill on IBP @ 13568' MD Measured depth Truevedicaldepth 112' 112' 2841' 2695' 13547' 8935' 13276-13944' 8755-9204' Perforation depth: measured 13542-13582'; (Isolated below Bridge Plug: 13610-13652'; 13684-13692'; 13748-13766') true vertical 8934-8961'; (Isolated below Bridge Plug: 8980-9008'; 9028-9052'; 9071-9085') Tubing (size, grade, and measured depth) 5-1/2", 17#, 13 CR Tbg @ 13210' MD; 4-1/2", 12.6#, 13 CR Tbg @ 13294' MD Packers and SSSV (type and measured depth) Baker Packer @ 13222' MD; Camco BaI-O SSSV @ 2197' MD 13. Stimulation or cement squeeze summary Intervals treated(measured) See attached. Treatment description including volumes used and final pressure 14. Prior to well operation Subsequent to operation Representatve Daily Average Produ~ion orlniection Data Oil-Bbl Gas-Md Water-Bbl Casing Pressure 673 979 8245 -- 1391 '/'" 2702 12175 -- Tubing Pressure 495 293 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 foregoing is true and correct to the best of my knowledge. Signed"~cJ~ ~ ~~' Title Sr. O/A Engineer Form 10-404) Rev 06/15/88 1196/13 cc: KZ, JWP SUBMIT IN DUPLICATE 16-24 DESCRIPTION OF WORK COMPLETED BRIDGE PLUG INSTALLATION FOR PROFILE MODIFICATION & PERFORATING I O/9/93- RIH & tagged PBTD at 13790' MD. I 0/1 2/93' MIRU & PT equipment. RIH w/CT mounted Inflatable Bridge Plug & inflated to set at 13593' MD (mid-element) to isolate the lower perforation intervals from production, located at: 13610 - 13652' MD (Z2) 13684 - 13692' MD (Z2) 13748 - 13766' MD (Z2) Ref. Log: BHCS 2/22/86. The perforation interval left open to production above the Bridge Plug is located at · POOH w/CT. 6/29/94 · 13542 - 13582' MD (Z3) Rigged down. Ref. Log: BHCS 2/22/86. RIH & tagged top of fill on Bridge Plug at 13578' MD. 713194: MIRU & PT equipment. RIH w/perforating gun & tagged PBTD at 13568' MD, then PU & shot 20' of reperforations as follows: Reperforated: 13542 - 13562' MD (Z3) Ref. Log: BHCS 2/22/86. Used a 3-3/8" carrier, & shot 4 spf, at 180 degree phasing, at balanced pressure. POOH w/perf gun. Noted all shots fired. Rigged down. Returned the well to production w/gas lift & obtained a valid welltest. SEP ?- 3 1994 A~ska Oil & Gas Cons. Commission Anchor~.,:,e Drill Site: 16 Well: 24 K-VALVE DESIGN Mon Sep 05 11'55:49 DOME SET PRESSURE: 510 PSIG @ 60 DEG F FTP @ CLOSE (PSIG): 370 PSIG K-VALVE cLAss (A,B,C): a COMMENTS: NEW GLV'S RUN 8/22/94. NEW K-VAL\~ DESIGNED FOR MOST RECENT WELL TEST ON 8/24/94. ACTUAL FTP DURING TEST = 350 PSI VS. DESIGN FTP = 380 PSi, 370 PSI AT CLOSURE. CC: ENGINEERING FILE / COORDINATOR PRB 24 (WITH ATTACHMENTS) J.C. SMART / M.G. SHOEMA3~E PRB 20 (WITHOUT ATTACHMENTS) R.A. WELLS / G. WILLIAMSON PRB 14 (COVER ONLY) D.A. CISMOSKI ATO-1509 (WITHOUT ATTACHMENTS) STATE OF ALASKA. (COVER ONLY) DESIGNED BY: ~B 9/5/94 Drill Site: 16 Well: 24 K-VALVE DESIGN Sat Jun I1 15:34:1~2 I~9~ COMMENTS: DOME SET PRESSURE: 480 PSIG @ 60 DEG F FTP @ CLOSE (PSIG): 335 PSIG K-VALVE CLASS (A,B,C): A K-valve is designed to be tested in the hole. Well will have to be. choked back to operate. CC: ENGINEERING FILE / COORDINATOR PRB 24 (WITH ATTAC~IMENTS) J,C. SMART / M.G. SHOEMAKE PRB 20 (WITHOUT ATTACHMENTS) R.A. Wells / B.R. Rober$on ( COVER O~Y) ~ D.A. Cismoski ATO 1509 (WITHOUT ATTACHMENTS ) STATE OF ALASKA (COVER ONLY) DESIGNED BY: A.W. Brooks Drill Site: 16 Well: 24 Sun Jul 24 16:02:18 1994 K-VAL%fE DESIGN DOME SET PRESSURE: 440 PSIG @ 60 DEG F FTP @ CLOSE (PSIG): 260 PSIG K-VALVE CLASS (A,B,C): B COMMENTS: This well is in the higher pressured commnline now moving to lower pressure line then flowing through drain to bypass choke restriction should reduce press. low enough to dump k-valve. CC: ENGINEERING FILE / COORDINATOR PRB 24 (WITH ATTACHMENTS) J.C. SMART / M.G. SHOE.~3LKE PRB 20 {WITHOUT ATTACHMENTS) Wells / Roberston PRB-i~ (COVER ONLY) D. A. Cismoski ATO-15 (WITHOUT ATTACHMENTS ) STATE OF ALASKA (COVER ONLY) DESIGNED BY: K.L. Martin Printing contents of current screen - wait for message to clear ARCO Alaska, Inc. Date: Subject: From/Location: Telephone: To/Location: August 3, 1994 ARCO Cased Hole Finals Karla Zuspan/ATO- 1529 (907) 265-6547 Distribution P.O. Box 100360, · .... ~rage, AK Transmittal #: 94069 99510.~ ~, Well Log Date Tool Type Run Contractor Number (M-D-Y) 16-24 7-11-94 Prod Prof 1 SCH 14-07 7-12-94 Leak Det I SCH 12-32 7-10-94 Perf Record 1 SCH 09-43 7-12-94 Pef Record 1 SCH 09-06 7-11-94 Leak Det 1 SCH 07-03 7-10-94 Dual Burst TDT-P 1 SCH 01-18 7-9-94 Perf Record 1 SCH Number of Records: 7 Karla Zuspan Distribution: Central Files Phillips ANO-8 Geology BPX Exxon 'State of Alaska Mobil Please ackn~ledge rec/e,~,~, y sign~g a cot~<,0f/,.~transmittal. ARCO Alaska, Inc. Is a Subsidiary of AtlantlcRIchfleldCompany ARCO Alaska, Inc. Date: Subject: From/Location: Telephone: To/Location: August 3, 1994 ARCO Cased Hole Finals Karla Zuspan/ATO- 1529 (907) 265-6547 Distribution P.O. Box 100360, A, rage, AK Transmittal #: 94068 Well Log Date Tool Type Contractor Number (M-D-Y) 01-03 7-4-94 Leak Det 1 sCH 03-12 7-2-94 Inj Prof 1 SCH 03-19 7-7-94 Prod Prof I ScH 03-25A 7-7-94 Perf Record 1 SCH , 04-02 7-3-94 Leak Det I SCH *04-07 ST1 7-8-94 Perf Record 1 SCH 05-01 7-9-94 Tubing Cutter 1 scH 05-11 7-9-94 Perf Record 1 SCH 06-11 7-2-94 Dual Burst TDT-P 1 SCH 06-21 7-1-94 Prod Prof 1 SCH 06-22A, 7-4-94 -Perf Record , I SCH 07-02 7-4-94 Prod Log 1 SCH 09-31A 7-8-94 G R/Collar 1 SCH 09-32 7-7-94 Dual Burst TDT-P 1 SCH 15-01 7-2-94 Prod Prof 1 SCH' 16-02 7-5-94 Inj Pmf 1 SCH 16-10 7-6-94 Inj Prof I $CH 16-24 ,,, 7-3-94 Perf Record 1 SCH ,- 17-07 7-5-94 Leak Det I SCH *The correct AP! number for 04-07 ST1 is 50-029-20189-00. Number of Records: 19 KaHa Zuspan Distribution: Central Files Phillips ANO-8 Geology BPX Exxon State of Alaska Mobil by sign ,ng an d ret urn ing ',~/p~i.~~~:~~~ ARCO Alaska, Inc. Is a Subsidiary of AtlantlcRIchfietdCompany ARCO Alaska, Inc. Date' Subject: From/Location: Telephone: To/Location: P.O. Box 100360,--~-~'3rage, AK Transmittal #: 94043 May 24, 1994 ARCO Static Pressure Surveys John E. DeGrey/ATO- 1529 (907) 263-4310 Distribution 99510~ ~, Log Date (M-D-Y) 03-03-94 05-13-94 05-18-94 05-13-94 03-06-94 04-01-94 03-23-94 03-24-94 03-24-94 03-24-94 03-23-94 Tool Type Static Pressure Static Pressure Static Pressure Static Pressure Static Pressure Static Pressure Static Pressure Static Pressure Static Pressure Static Pressure Static Pressure Run, 1 5" 5" 5" 5" 5" 5" 5" 5" 5" 5" 5" Contractor Sch Sch Sch Sch Sch , Sch Sch Sch Sch Sch Sch Number of Records: 11 John E. DeGrey Distribution: Central Files Phillips ANO-8 Geology BPX Exxon State of Alaska Mobil D & M Please acknov~iedge receipt by signing and returning a copy of transmittal. By: Date: JUN ARCO Alasl(a, Inc. Is a SUbsidiary of AlJantJcRIchfleldCompany ARCO Alaska, Inc. P.O.Box 100360 Anchorage, 2~1~-~k~ 99510 DATE: 12-1-93 REFERENCE: ARCO CASED HOLE FINALS ~- t__~_L_~1-33 10-16-93 10-z 9s ?~.~__2-17 10-16-93 ~22 10-22-93 ~~ 2-25 1~1~3 ~ ~ ~ 1~1~3 ~1~ 1~93 ~1~ ~2~ 1~93 ~ ~2~ 1~ 1~93 - ~~_~ 1~93 ~~ 1~21~3 ~X~13 1~1~93 ~~~19 1~1~93 ~-I~ .~ 1~21~3 1 93 ~19 1~7-93 ~ 1~17~3 '~1~1~ 1~1~3 ~ ~ 12-1~ 1~1~93 Perf Record 3~O-~lqq l~m Prod Profllel<~ln Dual Burst TDTP Prod Profile t~,~ MI InJ Proflle/~em ITe~?j~e~,,~ Run Prod Profllet~o~e-~/~~ Run ~ Detect/~,~ )-r~ ~a~ Run Collar Log ~ ~) 5~ ~0 ~ Run USIT<¢~,a~t ~r~ Color C~ 5~oo-fl~5ot ~er ~P 1~ ~P~t I~o - USIT (~Tost~ ~ Color Pe~ R~ ItLoO Collar (~~ c~ ~cker) c/350- CL~q ~ 1, ~' Sch 1, ~' Sch 1, ~,%~-~o~5 Sch 1, ~' ~h 1, ~'~O~vz~ ~h 1, 2'~' 0-~lw0 ~h 1, Y'~'0- ~0 ~h 1, ~' Atlas 1, ~' ~h 1, ~' ~h 1, ~,~00~$ ~h 1, ~' ~h 1, ~' ~h 1, Y'~' o-~o5~ ~h 1, ~' ~h 1, ~' ~h 1, ~' ~h 1, ~' ~h 1, ~' ~h 1. ~' E~ ~ Atlas 1. ~' Atlas //18-23 Plesse ~ and return RECEIVED BY Have A Nice Day! Sonya Wallace ATO-1529 # C~¥rtiAL ~ # CItEVIK)N # STATE OF ALASKA 10-15-93 Leak Detect/~n } ~cae)~ Run 1, l"&~' ~o-I ~7oo Sch 10-12-93 IBP Set 1'~9 t~-l°~. Run 1, I~' Sch 10-19-93 ComPletion ~i 0o - ~oo Run 1, lY' Sch 10-22.93 y,,eakDetecti e OiT mli l ri Run 1, 1" '2o-%175 Sch ~~N ~ MO~ * The correct APl# for 9-7 is 50-029-20223-00. ARCO Alaska, Inc. P.O.Box 100360 Anchorage, Alaska 99510 DATE: 4-27-92 REFERENCE: ARCO CASED HOLE FINALS * 1-5ST 3-23-92 PFC/GR R-n 1, 5" Atlas ~-~ ~ ? 2-26 3-10-92 Perf Record Run 1, 5" Sch ~'~ ~ ** 4-7ST 3-24-92 MSI Carbon/Oxygen Run 1, 5" Atlas / 4-9 3-13-92 Perf Record Run 1, 5" Sch ? 4-12 3-13-92 Perf Record R~m 1, 5" Sch ?/-~ 5-36 3-21-92 Prism R~m 1, 5" Atlas ~'-~ 14-7 3-26-92 Perf Record Run 1, 5" Sch ~16-24 3-9-92 Coll~r/Perf Run 1, 5" Atlas ~_N/)16-24 3-9-92 Tubing Cutter Run 1, 5" Atlas ~.16-24 3-16-92 Diff. Temperature Ru_n 1, 5" Atlas ~16-24 3-16-92 Vertilog (7") Run 1, 5" Atlas ~16-24 3-16-92 Vertilog (9 5/8") Ru_n 1, 5" Atlas RECEIVEDPlease sign and return ~_~c°py as receipt °f data' R ~ ~ E / v E D BY ...... Have A Nice Day! Commission Sonya Wallace APPR O V E D_~ ,~ff_~0_raO,e ATO- 1529 Trans# 92077 # CENTRAL FILES # CHEVRON D&M # EXTENSION EXPLORATION # EXXON MARATHON # MOBIL # PHILLIPS PB WELL IqLF~ R&D # BPX # STATE OF ALASKA TEXACO The correct API# for 1-5ST is 50-029-20076-00. The correct well name for this log is 4-7ST. STATE OF ALASKA ALASKA ' AND GAS CONSERVATION CC ,,IlSSION REPORT UF SUNDRY WELL OPERATIOII c . ,' 1. Operations performed: operation shutdown Stimulate Pull tubing Alter casing Plugging Repair well Perforate Other X 2. Name of Operator ARCO Alaska, Inc. 3. Address P.O. Box 100360, Anchorage, AK 99510-0360 4. Location of well at surface 1683' FNL, 1260' FWL, Sec. 24, T10N, R15E, UM At top of productive interval 581' FNL, 2828' FWL, Sec. 18, T10N, R16E, UM At effective depth 418' FNL, 3030' FWL, Sec. 18, T1 ON, R16E, UM At total depth 392' FNL, 3061' FWL, Sec. 18, T10N, R16E, UM 5. Type of Well Development Exploratory Stratigraphic Service 6. Datum of elevation(DF or KB) 70 RKB feet 7. Unit or Property Prudhoe Bay Unit 8. Well number 16-24 9. Permit number/approval number 86-24 10. APl number 50 - 029-21536 11. Field/Pool Prudhoe Bay Oil Pool 12. Present well condition summary Total depth: measured 13,950 feet Plugs(measured) true vertical 9208 feet Effective depth: measured 13,855 feet true vertical 9145 feet Junk(measured) Casing Length Size Cemented Measured depth True vertical depth Conductor 80" 20" 1700# Pole Set 112' 112' Surface 2810" 13-3/8" 3500 sx CS III & 1000 sx CS II 2841' 2695' Production 13516' 9-5/8" 500 sx CL G 13547' 8935' Liner 668' 7" 250 sx CIG 13276-13944' 8755-9204' Perforation depth: measured 13542-13582', 13610-13652', 13684-13692', 13748-13766' true vertical 8934-8961' 8980-9008', 9028-9052', 9071-9085' Tubing (size, grade, and measured depth) 5-1/2", 17#, L-80 PCT @ 13,249' MD, 4-1/2", 12.6#, L-80 @ 13,348' MD Packers and SSSV (type and measured depth) BOT SB-3 Packer @ 13,228' MD; Camco Bal-0 SSSV @ 2205' MD 13. Stimulation or cement squeeze summary R E C E IV ~ D 14. Intervals treated(measured) See attached. 0V 2 5 991 Treatment description including volumes used and final pressure ~-.,~l,,~, ni~ ,,o, C,a.q Cons. C0fll~iSS~0ta Reoresentative Daily Average Production or Injection Da{~ ..... Arlch0_._ra. fj.e Oil-Bbl Gas-Md Water-Bbl Casing Pressure ~uo~ng Pressure Prior to well operation 572 8904 12391 -- 322 Subsequent to operation 925 1083 5822 -- 339 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 foregoing is true and correct to the best of my knowledge. Signed ~)"~~ ¢~ ~ Form 10-404 Rev 06/15/88 777/5 SLW cc: SW, JWP Title Sr. Area Operations Engineer SUBMIT IN DUPLICATE 16-24 DESCRIPTION OF WORK COMPLETED TUBING PATCH INSTALLATION 7~8/9 1: MIRU & loaded the wellbore w/seawater & dead crude, then RIH & set a 3.00" ID tubing patch from 5343' to 5364' MD (seal to seal), over hole in tubing at +/-5354' MD. POOH. Rigged down. 9/8/9 1: Ran a leak detection Icg and located an additional leak at GLM #2. 9/22/91 - 9/29/91: Made unsuccessful attempts to change out the GLV at station #2. Returned well to production (per 10/25/91 AOGCC verbal approval from Lonnie Smith to Mike Kennedy), w/AL & obtained a valid welltest. A sidetrack is planned for the well in January, 1992. RECEIVED NOV 5 !991 A)aska Oil & Gas Cons. CommissiOn Anchorage ARCO * ..... " :.~ L ~--~,: ,',. A, i N C'. ANCI'-!OR'AGE, ~L.,-~ K A oc,,, ._., ,~, n... DATE: t 0-25-9i F.:F_Zr:EF.:E'NCE' ARCO CASED HOLE FINAL? 9-6-9i 8._--~6_c¢ i .' · 8 - '-" ~ - ~' 9-i i-9i ~-t '-'--° i · ,' .., 9-8-9i 8 -.- ''> 8 - ¢::':. 8-,5i -9i c;'-t, .. '~-c' i , 9-9-9i 9-i q-gl °-i 8'.-- ~ i o- -'.:, A._ o INJ PROF:ILE PROD F'ROFZLE INJ PROF/C.-R/'TEN."~ INJ PROFILE INJ PROFILE PROD PROF'ILE LEAK i) E ~"[{~%i' .... ' LEAK DETECT F'Rr3D F'ROFZI_E F'ROD F'ROFZLE LEAK DETECT PROD F'ROFILE ' GR/CCL. 6A~7 LEAK DETECT [..E~K DETECT RUN i , _,.'~ · [; ~'.:~ lI L: [.! RUN !.. 5" CAMCO RUN i , 5' CAMCO RUN i, 5" CAMCO RUN t , 5:· CAMCO RUN. i , ~;.., ' CAP, Ct] RUN i, 5' CAHCO RUN i, 5]' CAMCO RUN i , _;-:-"' CAHCO l;:Ui',,~ i , ~_~" IL:APiC:O RtJi'..! i , :"& ' ..;. i O ~;'UN,, i , ..,.'4 · CAMCO RUN t, ~'" F:AMK:O RtJN i., i" CA~'iF-:O RUN i, i",~.":' ·&b:" C. AHrt_,q_ F'L. EAZE SIGN AND RETURN THE ATTACIqED COF'Y' AZ F:ECEiF'r uF DA'i'A,. HAVE £ONYA WALL. AC:E: A 'r. i'D. - i ~''_.. .._ ,"" 'f'I;.:ANS D ! STR ]: BUT ]: ON ~ CENTRAL FIi._E£ · ~: C H r..[ ',,/R 0 N 'r', , M -,,.'"- EXTENSION E. XF'LOF.:A"~'. I(JN. ~-~ EXX'ON N A R'. A i" i.-I [) N ~- MOB'r~ :II: F:' t"! :[ t._ L.. I F' £ F:'D WEL. L. F']:[_ES R & D :,",:B F' X 'i" E X A C C) ARCO ALASKA, F'.O. BOX ANCHORAGE, ALASKA 995,~ DATE: 8-7-9t . ~ REFERENCE: ARCO CASED HOLE FINALS q~-~i-iB" 4-i7-9i F'ERF' RECORD RUN ~-7' 7-i7-9t DIFFERENTIAL TEMP RUN i -7~ 7-i 7-9t PDK-~ O0/GR/CCL RUN t-22' 4-t4-9t PERF RECORD RUN ** 2-3 ~ T-2i -9t COLLAR/PERF RUN 6;) i-~, 7 4-37" 7-20-9i COLLAR RUN ~ ~/~-S6~ 7-t 8-9J GR-CCL RUN ~l--J S6' 7-Jg-gJ PERF-F'ACKER RUN 6-4 ~ 6-7-9~ PERF RECORD RUN 6-7~ 4-J0-9t PERF RECORD RUN 7-SS- 4-28-9J COLLAR/F'ERF RUN 9-9- 7-J 7-9J VERTILOG RUN Ol 9-34, 7-6-9t PERF RECORD RUN /2' ~--9- 42- 7-3-9t F'ERF RECORD RUN tt-t' 5-42-9t PERF RECORD RUN tt-S' 5-t8-9t PERF RECORD RUN ti-5- 7-t2-9t F'ERF' RECORD RUN t S-2~ 7- t 5-9 t JEWELRY-PERF RUN t 6-24' 7-8-9t COLLAR RUN t7-3- 7-7-9t PERF RECORD RUN t 7-t t- 4-24-9t COLLAR RUN t 7-t t' 7-t 9-9t COLLAR/PERF RUN HLS ATLAS' A.TLAS HL$ ATLAS ATLAS $CH SCH HLS HL$ HLS ATLAS HL£' HL$ HL$ HL~ HL~ HL~ ATLAS HL~ HL~ ATLA~ PLEASE SIGN AND RETURN THE ATTACHED COPY AS RECEIPT OF DAI'A. RECEIVED BY~_~ HAVE A NICE DAY! SONYA WALLACE AT0-i529 DISTRIBUTION ICENTRAL FILES CHEVRON D & M EXTEN£ION EXPLORATION EXXON MARATHON MOBIL APPROVED /FED 4 uS 1 2 I99! '!4'~.~;,ra 0~7 ~'.~as Con~ PHI LL I F'S 4nChorag~' 0o~i~8io~ PB WELL FILES R & D BPX STATE OF ALASKA TEXACO * THE CORRECTED AF'I$ FOR i-lB IS 50-029-2i007-0i. ** THE CORRECTED AF'I~ FOR 2-3 IS 50-029-20077, ARCO ALASKA, INC. P.O~ BOX t00S60 ANCHORAGE, ALASKA 995t0 · DATE: 6-t3-9t REFERENCE' ARCO CASED HOLE FINALS ...................... R E C E l M.E ...... JUN 1 1 19'91 ....... Naska Oil & Gas Cons. Commission ~chorage ql:l'~.,~_3,~ 6-t-9t COLLAR-F'ERF , RUN -PERF~-:.i .......................... ~ ......... RUN .i 3-2A ..... 6-2-9i COLLA,.~ '.~ .-~4~;: 4-2~ ' -.5-~ 6-.9~ .-:.,:-L..:-INJ PROF' ....=_~ .......................... ~;,,-.,,~.:~ . ............ RUN 4-25 5-J 6-9~ -' INJ PROF,GR' -~.f,~::. RUN 4-~6 .......5- ~ 6-9 ~ --.~,:..-tNJ PROF ....... ':,~ .......................... ~- RUN 5~J 5 5-J 7-9~ '~:~"~:".PRO~ 'F'ROF' -,~-..'.. ~': - - RUN 6-~4 .... 5-25-9 J .........-IN J-.PRO~ ....................... ' RUN 6-~ 5-2 7=~ ::~, 5-e-9 ~ "Z~-:~?~fLEAK '.'DETE~-?;:~'?- ~ -.,' ' .... :':'~ "' ": ' ' 7--f t 5-27-?t '.:'. LE~K DETECT't ' ' ' --' ...... 'F' ":~':~";' ":' "' ~""' ~ . ~,:- . ~ . ,.,~ . .. -. _ - o.~5--.-u~-~". ..... 's-t2-~ .....zNJ F'F:OF .......... - ................. , 5" ATLAS ,-5".-- A~'LA3 , 5" CAMCO ,-5" ..... CAMCO , 5" CAMCO ~---5" ..... CAMCO- , 5' CAMCO ,..5" CAMCO RUN t, 5" CAMCO RUN ~!-.5" .. ~..~.CAMCO RUN t, 2" -' ', 'CAMCO ~ "'. '; I ' ' ' ' : ' · 0 RUN-...4-.,-.5 ................... ~AMC RUN t,.5" .. CAMCO RUN.J.,:'-5" - ' ' 'CAMCO ::'5" '-~ .... ~' CAMCO RUN..:~, .... . RUN t, 5" CAMCO F'LEA~'TE SiGN AND RETURN THE ATTACHED COPY AZ RECEIPT OF DATA. _ RFCEIVED BY ~__~- ,_._ ....- / .::......" - '.. :~'- . 'T ":~ .:-~:':..' ' - ...... ' ~:"' .... 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I"1A V E: A iq :1: C Iii:D A Y ! 5' i..I A F;:. 0 N W I L..,S' C)N A 'f' 0.-. t !5 2 9 R E C FZ :1: F:' 'f' [:)I::' .t, ¢.'~ i' A., D I ~' T R I B U 1' ]: 0 N · , . · ..'"' CENTRAL FILES · '" C I..I E V R O N '11' '.II: E X "f' E hi 5' I 0 N E X F:' L O R A T I 0 N :~: Iii: 'X X 0 N --. i'-t A R A T' I.'l O N :.": H 0 B I L .x. 'f' I..i E C 0 R R E C'T' :x..:,~ 'f' I..11!:' C 0 I:;: R I!!: C F' I"11 I.. l. I P 5' f:' B W E L..I.. f:' :1: I.. E:. 3,' R & D ,,Il. · ,. B F:'X '"' 5' "f' A T Ii:.:- O i:: " '~' / r..~l. A,., I, A T' E X A C.: 0 F;: ii!: F:' Iii: J::.: [ii: N C: [ii: ' d."~ F;..' C 0 C: ~'.":'~ ;ii: iii] D I"i 0 I... lie F:' I N A I... ;ii; 5- 2 0 '7 .... "':' -:"! Z .... 3 0 4 .... .:55. ...... ,."ii, ,':', .... 2 4 '7 .... 2 3 ¢ .... ...":, ,3 .'".' I :' ..:;. "...., · i ii"..; .... ? 'i g .... i :iii "i ii!: .... 2 2 L..E(:':~I':..' DE'i"EC'F.[(]i'.! i~i...Ir,! i., 5:" :1: F,!,.J Iii; C 'i" ]: 0 i'q F:' F;..' t.J F' I I... E i:i: l..! i'..~ i , 5." 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Ii-] A K DIE T E C T I 0 N F;.'. U t.~. 'i , ,,...' ':'" · :'~ ~ '~ ~ ... 6 r::~ ,S' t.. I f:' T ,:~ .J R ¥ I:: Y' R LJ i'-J. 'i , ,,.:'~' c.,.:~ ...'.- ':~" N 'f' H E ~::'~'¥' 'i" ~'q C t"1 f':' D C 0 F' Y r~ $ R E C E I F' f' 0 F' D ~:':'~'i" l~, A F:' F' R 0 V E D 'f'F:.:AN$:J,': 9 t D I S 1' R I B LJ 1" I 0 N ~ C E N T R A L. I:: I I.. Ii.":. S · '" f'~ i..t Iii: V R O N 0 &-.M :'J: E X T E N,S' I 0 N E X F" L C) R ~.~ T ~ 0 N '"' I= X X 0 N · I!' ...- .. i'q A I',.'. A i" !.-I O N .r'"' i"'i 0 B' I I... · ,$ F:' H I L L. I F:' ,'.';' F:'B WEL. L F:]:i..ES R & D :~: B F:'X :~- S'i"r;-~'IE UF AL. ASK r.";~ -f'EXACO Alaska 0il & GaS Cons. commiss~on Anchomge ,; ...... i ? '"2 .... '2':'!:: .... 9 i F:' F;,' 0 I) LJ C'i" I () N F:'F..' [] F:' :1: I... E: F;..' LI i'.! ~]" i :i-".': ?.'-, .... ? -'--~:? i C [] I... I.. ~'~ F< /F:' E I';,' F' I:;: U N ':":"' '"~ ":' ~i!; i "'" ....... ~-." ..,. · .,..: ,... "" .,'. '"' '".~;' i ,? i';',' t... ( F:' [: I... ",/[.i F;,'/" C ~'": I... 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':;' i L..lii]~:~i( i)!ii;"t"ECT I ON I:,,'lJi'J. i ,~ I:;,' Ii '1 ,~ t::' II i., 5" 'i ! i;; II · t: iii:." ~i ! i:;.' II Fi.' I E~ U 1' 3; 0 N MAP, 2 B 1991 F' H I L. L .~t11~kll I]11 & Gas Cons. Commission F:'G LdE;I_L. F:'ILES GF:'X S'F~'I'E OI: ~I_ASI(~ TEXACO STATE OF ALASKA -- ALASKA AND GAS CONSERVATION CC ,/IISSION REPORT C,i::: SUNDRY WELL OPERATIONS Plugging Perforate X Repair well Other 1. Operations performed: Operation shutdown Stimulate Pull tubing Alter casing 2. Name of Operator ARCO Alaska, Inc. 3. Address P.O. Box 100360, Anchorage, AK 99510-0360 4. Location of well at surface 1683'FNL, 1260' FWL, Sect. 24, T10N, R15E, UM At top of productive interval 581' FNL, 2828'FWL, Sect. 18, T10N, R16E, UM At effective depth 418' FNL, 3030' FWL, Sect. 18, T10N, R16E, UM At total depth 392' FNL, 3061' FWL, Sect. 18, T10N, R16E, UM 5. Type of Well Development Exploratory Stratigraphic Service 6. Datum of elevation(DF or KB) 70 RKB feet 7. Unit or Property Prudhoe Bay Unit 8. Well number 16-24 9. Permit number/approval number 86-24 10. APl number 50 - 029-21536 11. Field/Pool Prudhoe Bay Oil Pool 12. Present well condition summary Total depth: measured 13,950 feet Plugs(measured) true vertical 9208 feet Effective depth: measured 13,855 feet true vertical 9145 feet Junk(measured) Casing Length Size Cemented Measured depth True vertical depth Conductor 80' 20" 1700# Pole set 112' 112' Sudace 2810' 13 3/8" 3500 sx CS III & 1000 sx CS II 2841' 2695' Production 13516' 9 5/8" 500 sx CL G 13547' 8935' Liner 668' 7" 250 Sx CIG 13276-13944' 8755-9204' Perforation depth: measured 13542-13582', 13610-13652', 13684-13692', 13748-13766' true vertical 8934-8961', 8980-9008', 9028-9052', 9071-9085' Tubing (size, grade, and measured depth) 5 1/2", 17#, L-80 PCT @ 13,249' MD, 4 1/2" 12.6~, L-80 @ 13,348' MD Packers and SSSV (type and measured depth) BOT SB-3 Packer @ 13,228' MD; Camco BaI-O SSSV @ 2205' MD 13. Stimulation or cement squeeze summary K ~ ~ ~ I V ~ [,) 14. Intervals treated(measured) See attached Treatment description including volumes used and final pressure MAY 2 4 3993 Alaska 0il & 6as Cons. C0mmissi0a Prior to well operation Representative Daily Average Production or In!ection Data OiI-Bbl Gas-Md Water-Bbl Casing Pressure 1290 3680 6580 1300 Anchorage Tubing Pressure 315 Subsequent to operation 1210 3950 5825 1300 265 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 foregoing is true and correct to the best of my knowledge. Signed ~j~/~ ~,..,,~~ Title Sr. Area Operations Engineer Form 10-404 Rev 06/15/88 c: J. Gruber, ATO-1478 SH Date .~//o//?t SUBMIT IN DUPLICATE 16-24 Summary of Work Completed On 9/6/90 ARCO Alaska Inc perforated DS 16-24 at selected intervals in the Sadlerochit Sand of the Prudhole Bay Unit. The BHCS (2/22/86) was used as a reference log. Perforations were added between 13542-13582' MD at I SPF. Drawdown was achieved by bringing the well on just prior to firing the perforation gun. All wireline work was done through a 5000 psi WP BOP/Lubricator tested to 1.2 times the maximum expected surface pressure. The well was immediately brought back on production following completion of the job. -2 1. 5000 PSI 7" WELLHEAD CONNECTOR FLANGE 2. 5000 PSI WlRELINE RAMS (VARIABLE SIZE) 3. $000 PSI 4 1/6" LUBRICATOR 4. 5000 PSI 4 1/6" FLOW TUBE PACK-OFF H]REL]NE BOP EOU]PMENT I ~ iii i I I i ARco ALASKA, INC ...... P.O. BOX t00360 ANCHORAGE, ALASKA 995'~ 0 DATE: t -2t -9t REFERENCE' ARCO CASED HOLE FINALS -6 i -7-9t -29 i 2-t 2-9¢ '~'-3-3 i 2-23-°¢,. '--4-,--; t 2-t 2-9¢ '",.,,~- 24 i 2-i 7-9¢ '"~7-8 t2-t2-9¢ ~?-t 6 t 2-2~-9¢ ~7-28 i2-t7-98 7-~4 i-2-t 9-9¢ ~-7 t 2-t 6--9¢ ~S=24 t 2-t 2-9¢ ~ ~'-25 -9¢ ~ t 2-t 2 S_-z,~._, ~ t 2-i 4-°¢,- ~6-24 t 2-24-9¢ 7-i t i 2-24-9¢ F'DK-iC.¢/DIFF,CORR, 3'IGMA & F'ORO RUN 2, 5' PF4ODUCTION F'ROFILE RUN ]'EMF'ERA'f'URE RUN t , _,':'" F'RODUCI'ION F'ROFILE RUN t, 5' PRODUCTION F'ROFILF RUN t, 5' TEMt--'IEF,'ATURE RUN t , 5" INJ PROFILE RUN t, FI_OWMETER/TEMF' SURVEY RUN 1, 5" F' I T~"' R LJ i',i t F'IT$ RUN I,., INJ PROFILE RUN 1, 5' INJ FRUFILE RUN I'NJ F'ROFILE F;,'UN i , F'F4ODUCT I ON PROFILE RUN F'RODUCT ]: ON PROFILE RUN PRODUC'¥ION F'ROI"- l LE RUN PLEASE SIGN AND RETURN ]'HE ATTACHED COPY AS' RECEIF'T OF DATA, HAVE A NICE DAY! £'HARON WIL¢ON ATO-t 529 AF, F, ROVEi)~~'~ TRAN2'.¢ 9! ¢21 ATLA£ C'A ~"i C 0 CAMCO CA~'tCO CAMCO CAMCO CAMCO CAMCO CAMCO CAMCO CAHCO C AM C 0 C A H C 0 CAMCO CAMCO CAMCO DI~TRIBU'¥ION CIZNTRAI_ FILES CHEVRON '"".,-EXTENSION EXF'LOF,:ATZON · ,-'"' EXXON MARATHON ~' F'FIILL IF'$ PB WELL FILE£' R & D · .- BF'X '"' $'I"ATE OF' ALASKA 'i"EXACO RECEIVED JAN 2 9 1991 Oil & Gas Cons. Commission Anchorage ARCO ALASKA: INC. P.O. BOX t£.~.60 ANCHORAGE, ALAZ~K A 995 i 0 DATE- 9-t 7-90 REFERENCE' ARCO CASED HOLE FINAL3' i - 9 o, _ .-q - ':),. ('~-. C N L - G R t -24 9'-9-':?() F'DK - ~ '.') (-)/ii I:,'/CC L. 2'-7 9'-7-9~: '¥'BG CUTTER 6-t8 8-3'i-90 F'ERI: RECORD 9 - 43 8 - 36' - 96' C; i"'-'.~ I N C A S' I N g 9-43 8-36'-9:~ CBT ~ ,.-..._..o :~,_ ~_, '"'.: -..'S - on;., A C BL / V DI_ / i-: I G i 5-i 6 9-7-9'3 PDK-~ (')c:/GR/CCL/BOF~AX t 6-24 9-6-9'?) C(]LLAR/I:'ERF t 8-9 9-t (D'- 9;;.: PDK-~ O(D/GR/"CCL PWDWt -2A 9-6--90 CBT PWI)W~ -2A 9-6-9'?) (]ET PWDWt-2A ':,~--'-'.'~n, ,' , .., PKR S'E]-'f'ING RECORD R U N 'i , RUN ~ , RUN t, RUN 'i , RUN t, RUN 'i., RLJN t, RLJN ~, F;,'UN~, RUN ~ , RIJN 'i , F:i. JN t , RUN t, RUN t , F:'L. EAJ2E :g'IGN AND RIFTURN THE ATTAC:HED COPY AS' HAVE: A NICE DAY! S EP 1 9 1990 ;~ALLY HOFFECI<ER ATO-i 5:29 RE;CEIF'T OF' DATA, Alaska Oil a Gas Cons. CommissioaFiI F'R 0 V E D TRAN$.~ 9£)~S 63 Anchorage A I L_A,~ Ai'I_A~ A 'f'L A J;' /:CCH · "~ '.H $C1-.I .S.'CI.-~ A T' I_ A :';' A'l I.. A .'"7 A 'f' L. A ,*..,' ~'CFi ,S'CH I) I~'l'RI [ UTION :~ .CENTi'-.,'AI_FILE3' :~ F'I'~ILLIF',.~ ¢ CHEVRON F'.B WELL. FILES D & M R & D ~ EXTENSION EXPLORATION :.": BPX "' EXXON '"' ""'f'Al'E OF ALA,S'I<A 1' MARAT'HON TEXACO ¢ MOBIL * THE CC)RRECTED AF'I~ FOR F:'WDWt-2A.-t,? ARCO ALA2KA., INC., ~ . .,,. a. ./% _- ...,..o _o _- ANCHORAGE., ALA2KA 99Yi '3' DATE' 9-i 7-9(3 R!:"FERENCE' ARCO CA2ED HOLE FiNAl_,? 2'-7 9 .- T' -- 9 (.'.) 'T' F.,' E- C U 'i' T F R R LJ i'--i i , 6-! :i:: 8-S'; --~;,n P':'~;'F RiECf!Rr", Ri iix! ;, .....- ;_t .... .... : .... . ;; . ,. . .- . ! 9 ..... 4 ~ :::: -'~ ,";', -,;, .,':', ~'" n 'i' ,;'! i i';..l · . ._. ; ....;....._. ._ ,., 9 .... ';I..]; i:_-'l .- ¥ 0 '- ? ,:.3 (~J E T F;.: LJ i"'.i i : i 2-29 9-:~--9,3, A C D L/' V D i_ .,"::-? '[ (] RLJN i '=' ,/: '- '"'-' , .... ' ....C'R/CC'i../BORAX Ri tN i 6-24 9-6'-9"3 COLLAi';..'/F'E?.F' la:UN i i ".:i~-- 9 9 - i f:..:, '- 9 ,.'~.~ P D K - 1,3'. ,:'":.'/' i] R/' C r'£ L. R l_j N'1 , F' W C, I,,,1 'i - ::2 A 9-6-90 CB'T RUN i., PW D W 'i - 2 A 9 - 6 - 9 .'.'~:, C E T R U i".! i , F't.,JDWt-2A 9-7-9,.'.:;, F'KR 5,~ETTi't"-:.G Rti~CL'.."F,.:D RUN i., F'I_EA,~;E ,S~T_t].N AND F:.'.ETLJRN THE'" ATTACHED CL')F'Y A2 F:.:ECEIF'T rjF' DATA., HAVE A NICE DAY! S EP 1 9 1990 2AL_LY HOF"FECKER ATO-! 529 Alaska Oil & Gas Cons. GommissiotlP F' R 0 ¥ E D ~ T F.: A i:J. £: :,- Ancl omge :;;- L.. 1'1 2 C H ';." f'"' i..~ A F I.. A ;J'? r-t, T L.. A ,?? A"i i._ A ,'? A i" !... A 2 i.? rz: H ,:? C FI ,S"C H D 12'i" R l BLJ T i ON C: F:' N T R A L I:: 't7 L E ~. :~ F' H :[ L L T F' ,~';' CHEVRON r"'B WELL_ F'ZL_E2 D ~,. M i::.: * D EXTEN~TON EXPLORATION :,~: BPX EXXON :,'~ 2TAi'E OF AI_A2KA MARATHON 'TEXACO MOBIL. · .'e THE CORRECTED AF'I~ FOR F'WDWi-2A ]:2 5'.-;'-,:.?,29-22,324-(-)t , STATE OF ALASKA - U ALASK/~' 'LAND GAS CONSERVATION C~, MISSION APPLICA,1ON FOR SUNDRY APPROVALS 1. Type of Request: Abandon Suspend Alter casing Repair well Change approved program 2. Name of Operator ARCO Alaska, Inc. 3. Address P.O. Box 100360, Anchorage, AK 99510-0360 4. Location of well at surface 1683' FNL, 1260' FWL, Sect. 24, T10N, R15E, UM At top of productive interval 581' FNL, 2828' FWL, Sect. 18, T10N, R16E,UM At effective depth 418' FNL, 3030' FWL, Sect. 18, T10N, R16E, UM At total depth 392' FNL, 3061' FWL, Sect. 18, T10N, R16E, UM Operation shutdown , Plugging Pull tubing Variance 5. Type of Well Development X Exploratory Stratigraphic Service Re-enter suspended well Time extension Stimulate Perforate X, Other 6. Datum of elevation(DF or KB) 70 RKB feet 7. Unit or Property Prudhoe Bay Unit 8. Well number 16-24 9. Permit number 86-24 10. APl number 50 - 029-21536 11. Field/Pool Prudhoe Bay Oil Pool 12. Present well condition summary Total depth: measured true vertical Effective depth: measured true vertical Casing Length Conductor 80' Su dace 2810' Production 13516' Liner 668' Perforation depth: 13,950 feet Plugs(measured) 9208 feet 13,855 feet 9145 feet Junk(measured) Size Cemented 20" 1700# Poleset 13 3/8" 3500 sx CS III & 1000 sx CS II 9 5/8" 500 sx CIG 7" 250 Sx CIG measured 13610-13652', 13684-13692, 13748-13766 true vertical 8980-9008', 9028-9052', 9071-9085' Measured depth True vertical depth 112' 112' 2841' 2695' 13547' 8935' i ff AUG 2 8 i990 Oil & Ga:; Cons. Tubing (size, grade, and measured depth) 5 1/2", 17#, L-80 PCT @ 13249' MD; 4 1/2", 12.6#, L-80 @ 13,348 MD Packers and SSSV (type and measured depth) Baker SB-3 Packer @ 13,228' MD; Camco BaI-O SSSV @ 2205' MD 13. Attachments Description summary of proposal X Detailed operations program BOP sketch X 14. Estimated date for commencing operation August/September 1990 16. If proposal was verbally approved Oil X Gas Name of approver Date approved Service 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. Signed ~q)~- 0~, ,A~O,.~' Title Senior Area Engineer FOR COMMISSION H~E ONLY 15. Status of well classification as: Suspended Date ~/~ ~/~(..) Approved by order of the Commissioner Form 10-403 Rev 06/15/88 Conditions of approval: Notify Commission so representative may witness Plug integrity BOP Test Location clearance Mechanical Integrity Test Subsequent form required lO- Approved Copy _Returned __ ORIGINAL SIGNED BY LONNIE C. 8lt4~TH [ Approval No. · Commissioner Date ~/~O/9~ SUBMIT IN TRIPLICATE Well 16-24 The well is currently perforated in Zone 2. Additional perforations are recommended in Zone 3 as part of the Victor Development. The interval recommended for perforating is 13542-13582' MD (BHCS 2/22/86). Estimated bottom hole pressure is 3700 psi. I I ! ~ I II II I 1. 5000 PSI 7" WELLHEAD CONNECTOR FLANGE 2. 5000 PSI WIRELINE RAMS (VARIABLE SIZE) 5. 5000 PSI 4 1/6" LUBRICATOR 4. 5000 PSI 4 1/6" FLOW TUB[ PACK-OFF AUG 2 .Anchot'a~.?a N I REL I NE BOP EOU 1 PHENT ... I STATE OF ALASKA ALASK'~-~-)IL AND GAS CONSERVATION REPOR'I OF SUNDRY WELL OI-'E. RATION S Operation shutdown Stimulate Plugging Perforate X Pull tubing Alter casing Repair well -~. ~Operations performed: 2. Name of Operator ARCO Alaska, Inc. 5. Type of Well Development Exploratory Stratigraphic Service 3. Address P.O. Box 100360, Anchorage, AK 99510-0360 Other X 6. Datum of elevation(DF or KB) 70 RKB feet 7. Unit or Property Prudhoe Bay Unit 8. Well number 16-24 9. Permit number/approval number 86-24/9-650 10. APl number 50 - 029-21536 11. Field/Pool Prudhoe Bay Oil Pool 12. Present well condition summary ECEIVEb Total depth: measured 13950 feet Plugs(measured) true vertical 9208 feet .MAY 0 8 ]99 Effective depth: measured 13895 feet true vertical 9171 feet Junk(measured) Alaska ~0Jl & Gas C011s. 601flmlSs[011 ' .~.,~,, ~,nchorage Casing Length Size Cemented Measured depth True vertical depth Conductor 80' 20" 1700# Poleset 112' 112' Sudace 2810' 13-3/8" 2500 sx CS III & 1000 sx CS II 2841' 2695' Production 13516' 9-5/8" 500 sx Cl 'G' 13547' 8935' Liner 668' 7" 250 sx Cl 'G' 13944' 9204' 4. Location of well at surface 1683' FNL, 1260' FWL, Sec. 24, T10N, R15E, UM At top of productive interval 581' FNL, 2828' FWL, Sec. 18, T10N, R16E, UM At effective depth 418' FNL, 3030' FWL, Sec. 18, T1 ON, R16E, UM At total depth 392' FNL, 3016' FWL, Sec. 18, T1 ON, R16E, UM Perforation depth: measured 13610-13652'; 13684-13692'; 13748-13766' true vertical 8963-8991 '; 9012-9017'; 9055-9067' Tubing (size, grade, and measured depth) 5-1/2", 17#, L-80, CT @ 13249' MD; 4-1/2", 12.6#, L-80, PCT tail @ 13348' MD Packers and SSSV (type and measured depth) Baker SB-3 packer @ 13228' MD; Camco Bal-0 SSSV @ 2205' MD 13. Stimulation or cement squeeze summary Intervals treated(measured) See attachment Treatment description including volumes used and final pressure Prior to well operation Subsequent to operation Representative Daily Averaoe Production or In!ection Data OiI-Bbl Gas-Md Water-Bbl Casing Pressure 2288 1793 6145 1784 1193 2444 Tubing Pressure 352 228 14. 16. Status of well classification as: Oil X Gas Suspended Service 15. Attachments Copies of Logs and Surveys run Daily Report of Well Operations 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. Date Signed Title Form 10-404 Rev 06/15/88 348 M.J. Brown cc: J. Gruber, ATO-1478 P1(16-24)W1-3 SUBMIT IN DUPLICATE DS 16-24 DESCRIPTION OF WORK COMPLETED CTU CEMENT SQUEEZE FOR WATER SHUT-OFF 8/7/89: MIRU, and PT BOP's to 3500 psi. RIH w/perforating gun and shot squeeze perforations at: 13610 - 13630' MD Ref. Log: BHCS 2/22/86. POOH. Rigged down. 8/1 I/89: MIRU CTU & Stimulation Equipment. PT Equipment to 4000 psi. RIH w/CT and loaded wellbore w/350 bbls of crude. Washed lower perforation intervals at: 13683 - 13717' MD Ref. Log: BHCS 2/22/86. 13746 - 13766' MD Pumped the following treatment: 47 bbls 12% HCI w/10% Xylene, followed by, 47 bbls 12% HCI. Displaced CT w/Diesel. POOH. Rigged down. 8/12/89: MIRU, and RIH to change out OGLV in station #1, w/DGLV. POOH. Rigged down. 8/15/89: The CTU Cement Squeeze was performed as follows: MIRU CT & Cementing Equipment. PT equipment to 4000 psi. RIH w/CT and fluid packed wellbore w/520 bbls of seawater and 70 bbls of diesel. Pumped 57.5 bbls cement, squeezing perforations at: 13610 - 13630' MD Ref. Log: BHCS 2/22/86. 13683 - 13717' MD 13746 - 13766' MD Placed 22 bbls of cement behind pipe at 1500 psi maximum squeeze pressure. Contaminated cement with contaminant. POOH. Rigged down. 8/16/89: Jetted out contaminated cement from wellbore. Pumped 302 bbls of 2# XCD, followed by 412 bbls of 1# XCD to circulate out. POOH. Rigged down. 8/17/89: MIRU, and RIH to tag bottom at 13871' MD. POOH. Rigged down. 8/22/89: MIRU, and RIH to change out DGLV in station #1, w/OGLV. POOH. Rigged down. 8/30/89-8/31/89: Added perforations: 13630 - 13652' MD Ref. Log: BHCS 2/22/86. Reperforated: 13610 -13630' MD 13684 - 13692' MD 13748 - 13766' MD Ref. Log: BHCS 2/22/86. Returned well to production and obtained valid production test. ARCO Alaska, Post Office Box 100360 Anchorage, Alaska 99510-0360 Telephone 907 276 1215 April 10, 1990 Mr. John Boyle Alaska Oil and Gas Conservation Commission 3001 Porcupine Ddve Anchorage, Alaska 99501 Dear John: Please cancel the following 14 Forms 403 for which no Forms 404 were written. Per the drill-site engineers, this work has not been done and is no longer planned. D.S. AD.or. # Date Signed 1987 3-4 7-51 1/26/87 4-6 7-263 4/20/87 4-10 7-188 3/20/87 4-10 7-238 4/8/87 4-14 7-264 4/20/87 5-8 7-624 9/23/87 9-16 7-291 4/27/87 14-13 7-399 6/18/87 14-30 7-100 2/13/87 16-24 7-117 2/26/87 1988 3-9 8-826 11/2/88 3-13 8-854 11/17/88 6-13 8-316 4/28/88 9-34 8-864 11/21/88 Please,,,~..'-~':: me at '~'~,.,,,,-~q ........... ] 0 ~ you have aP.y questions concerning these S. T. H,C~'feckek;y Recap'ds ProCessor STH/ab/034 J. L. Glaeser - ATO 1528 ~; CC: RECEIVED ARCO Alaska, Inc. is a Subsidiary of AtlanticRichfieldCompany APR 1 8 1990 FaN r' i-iOt;,'AG F: AL..A;~K A ~ 9':~' i G i:;.: ii.-'. F FZ R Er N C E ' A R C 0 C ~ 5_.' Er D !.-t 0 L E l::' :[ i".J. ;'", !... F;.: Ii-" C E Lr V E D B Y HAVE A NICE DAY! S A i...!.. Y HOF'FEL-:K ER A T (;) .... i 5-, 2 9 MAR - 8 1990 Alaska Oil 8, Gas Cons. Commisslo~ D .~ :_,_-': T ?.; -~A~ii~'O~e CENTRAL FILES C H i!:' V R 0 N D & M '" EX'i-FN3-' l ON EXF:'LOI:;:.A T ~' Oi'~ 't1' . EXXON MAI:;..'A TH 0 N · ~'"' MOB:r_L · "¢ P Fl ]: L. L I F' :-:i: F'B WELL. F'J:LEg R & D · ~ BF'X ~, ,i'~]"A'f'E OF ALASI<A ..~ ;..'.., ...~ -.... ~ I i::./'.. ~-.t t_. tJ ARCO ALA~KA, INC~ P, O, BOX t ANCI4ORAGE, ALAgKA 995'. i DATE- tt-8-89 REFERENCE' ARCO CA&~ED I"tOLE FINALS i -'S 8- t .3-89 i-5 8-i6-89 'i -"~ '~' t 6,-':.;''':'''- ~4'~;' ,,C,. ,,.,~" ,.,~ ,~,,. -..,- .' t -2~ t ~..,- 2°-89 i -'26 i ¢-'-~t~.. -89 --' ,' 8'-t" ~-89 5:-'i 7 8-t 4-89 9- i 6 9-4-89 i6-24 8-7-89 PERF RECORD F'ERF RECORD D~'N (2 i/8' D~N (S S/8' D~N (3 3;/8" PERF RECORD F' E F;'. F RFC:ORD F'ERF RECORD PERF RECORD RUN t ,.,.~" RUN RUN i, :~:" RUN t, 5' RUN I:;,'UNg i&2, 5' R. UN i , ~i: RUN t , ~¢" RUN I:'LEAgE ,?I(;N AND RETURN THE AT]"ACHED COF'Y A,*2 RECEIF'T OF DATA, RECEIVED BY HAVE A NICE DAY! ~ALLY HOFFECKER APPROVED - ! ,AN$~ 89 ATO-~ 529 "P ' DISTRIBUTION CEN"I'RAL FILE~ CHEVRON D & M EXTEN~'ION EXPLORATION EXXON MARATHON MOBIL PHILLIPS' PB WELL F'ILE~' R & D BPX STATE OF ALA~'KA TEXACO HLg HI._.'.;.' H I_.~' I.-I L.. g HI....? t.-t I... :? ARCO ALASKA, INC. F'~O. BOX t00S60 ANCHORAGE, ALASKA 99510 DATE: 9-8-89 REFERENCE' ARCO CASED HOLE FINAL~ t-S 8-30-89 PERF RECORD RUN ~-9 8-S~-89 COMF'LETION RECORD RUN 2-ii 9-S-89 COLLAR/PERF RUN i, 5" 4-t9 9-S-89 COLLAR/PERF RUN i, 7-8 9-2-89 F'DK-i08 RUN i, 5' ii-i 9-i-89 COLLAR/PERF RUN t, 5' ii-S 9-i-89 COLLAR/PERF RUN i, t i -i 6 9-2-89 COLLAR/PERF RUN t 4-S0 9-i-89 COLLAR/PERF RUN i t6-24 8-S0-89 COLLAR/F'ERF RUN t, 5' F'LEA$~ SIGN AND RETURN THE ATTACHED COPY A2 RECEIPT JIF DATA~ ~S'CH ,S~CH ATL. A&~ AI'LA~ A T L A,~,' ATI_A$; ATLA:~ AI'I_A,~ ATLAS ATI_A$ RECEIVED BY HAVE A NICE DAY! SALLY HOFFECKER AT0-i529 APPROVED ~._ 'T'RAN£~ 89 DISTRIBUTION CENTRAL FILES CHEVRON D & M EXTENSION EXF"LORATION EXXON MARATHON MOBIL PHILLIPS PB WELL FIL. ES R & D BPX STATE OF ALA~'KA TEXACO ARCO At_ASKA, ZNC. l:'~O. BOX i (-)(.)¥60 ANCHORAGE, ALASKA 995i DATE ' 7-28-89 F.:EFERENCE- ARCO PRESSURE DATA 3-'i '3 7-';':-89 BHF'--S'i'Ai"IC GRADIENT HL.S 3-22 7-9-89 BFiF'--:S'TAT i C GRADIENT fILS 4-i 6--28-89 BHF ..... STATIC GRAD]:ENT HLS 4-::26 7- i o_oo ", 4 -, ..... , '"- ~1-,I ..... ,:', I ~ IC (~F..'ADiE~,!'F CA~'~CO 7--i 6 6 -' .3 (D -- 8 9 BHF'--STA i"IC GRADIENT FiLS 9 -:.:':, '7 "- 3 - ::39 B H F .... Z 'F A 'i" .[ C b R A D i E N F i'~ I.. S 9-'? -, =' oo ~-..~.-,_,, Bt-IF .... STATIC GRADIENT HL$ 9 .... ? '?-6-89 BHF'--ZTA"I'iC GRADIENT HI..:~' ." .,... : ~ ~ :"l (" o-.::, a ; - ,' -.,.:, x' BHF ..... 5'"f'A TI C [,RAD ~ EN i- I-ILK' v-y8 '?-6-89 BiHF'--ST,qT iC {~-F.:AD i: EN T HLS i J -25 7-J 2-89 BHP--,S'"f'A'F]:C GRAD].ENT CAt,iCO J 6-J 7-~':-89 BI-tP--~"i"A'FIC GRADIENT I-tl..~ ~6-6 7-8--89 BHP--STAt"IC GRADIENT FILS ~ 6-8 7-8-89 BH~- .... 5,'TATIC [;t:;,'r-~DiEN F HLg ~ 6..-~ 2 7--9'-89 BHP--S,'TATIC_ GRADIENT HL~,' ~ 6.-2,3, '7-8-89 BHF'--ZTATIC GRADIENT i"IL5' i6-24 7--6-89 ~ "' " .. . . ]~ HF ---,~ 'FA l" I C GRADZENI- HLS F'WDW2-i ?-9-89 BHF'--STAi"IC GRADIENT CAMCO RECEIVED BY HAVE A NICE DAY! SALLY HOFFECKER ATO-i529 PLEASE SIGN AND RETURN THE ATTACHED COPY AS RECEIF'T OF DATA. DISTRIBUTION CENTRAL' CHEVRON..- : ....... -. EXTENSION E~<F'LORAI'I ON ~ EXXON NARA THON -"- HOBIL -,- F'I"I.[ LL I F'3 F'B ,WELL FILES · ,- R & D ... BF'X ~"]'A'I'E OF ALA.~'KA TEXACO ARCO Alaska, Inc Prudhoe Bar _ngineering Post Office Box 100360 Anchorage, Alaska 99510=0360 Telephone 907 263 4248 Donald F. Scheve Operations Engineering Manager July 26, 1989 ORIGINAL C. V. "Chat" Chatterton Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 Re: DS 16-24, Permit No. 86-24 Dear Mr. Chatterton: Attached is the Application for Sundry Approval detailing work to be performed on the above-referenced well. Very truly yours, D. F. Scheve DFS/MJB/jp Attachment cc: T.B. Gray, BP J. Gruber, ATO-1478 PI(DS 16-24)Wl-3 ARCO Alaska, Inc. is a Subsidiary of AtlanticRichfieidCompany AR3B- 6132~C STATE OF ALASKA -- . ALASK' ILAND GAS CONSERVATION C~MISSION APPLIC/. rlON FOR SUNDRY APPROVAL R !GI 1. Type of Request: Abandon Suspend Alter casing Repair well Change approved program 2. Name of Operator ARCO Alaska, Inc. 3. Address P.O. Box 100360, Anchorage, AK 99510-0360 4. Location of well at surface 1683' FNL, 1260' FWL, Sec. 24, T10N, R15E, UM At top of productive interval 581' FNL, 2828' FWL, Sec. 18, T10N, R16E, UM At effective depth 418' FNL, 3030' FWL, Sec. 18, T10N, R16E, UM At total depth 392' FNL, 3016' FWL, Sec. 18, T1 ON, R16E, UM Operation shutdown Plugging Pull tubing Variance 5. Type of Well Development x Exploratory Stratigraphic Service Re-enter suspended well Time extension Stimulate Perforate X Other X 6. Datum of elevation(DF or KB) 70 RKB 7. Unit or Property Prudhoe Bay Unit 8. Well number 16-24 9. Permit number 86-24 10. APl number 50 - 029-21536 11. Field/Pool Prudhoe Bay Oil Pool feet 12. Present well condition summary Total depth: measured true vertical 13950 feet Plugs(measured) 9208 feet Effective depth: measured 13895 feet true vertical 9171 feet Junk(measured) Casing Length Size Cemented Measured depth True vertical depth Conductor 80' 20" 1700# Poleset 112' 112' Surface 2810' 13-3/8" 3500 sx CS III & 1000 sx CS II 2841' 2695' Production 13516' 9-5/8" 500 sx CIG 13547' 8935' Liner 668' 7" 250 sx CIG ~ ,, · 13944 9204' r ~. ~ · measured 13683-13717'; 13746-13766' .... ~ ,. true vertical 9028-9052'; 9071-9085' ~ '~ Perforation depth: Tubing (size, grade, and measured depth) 5-1/2", 17#, L-80, PCT@ 13249' MD; 4-1/2", 12.6#, L-80, PCTtail @ 13348' MD Packers and SSSV (type and measured depth) Baker SB-3 packer @ 13228' MD; Camco Bal-0 SSSV @ 2205' MD 13. Attachments Description summary of proposal 14. Estimated date for commencing operation August 1989 16. If proposal was verbally approved x Detailed operations program 15. Status of well classification as: Oil x Gas Suspended BOP sketch x Name of approver Date approved Service 17. I hereby certify that the foregoing is true and correct to the bes Signed ~~*"~'7~'--- ~-~,~. ~~,'~ Title FOR COMMISSION U~I= ONLY 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 LONNIE C. SMITH Approved by order of the Commissioner of my knowledge. Operations Engineering Manager Date Commissioner I Approval No. Apl~rev~d Copy Returned Form 10-403 Rev 06/15/88 112 M. J. Brown, 265-6042 SUBMIT IN TRIPLICATE Well 16-24 Coiled Tubing Unit Cement Squeeze Project AFE #APl107 Subcomponent AFE # KS0528 Preliminary Procedure Objective: Perform a CTU cement squeeze to eliminate excess water production from a channel to the Upper Victor interval. 1. Make a slickline tag run to verify PBTD. Test well. 2. Shoot squeeze perforations at the following depths: Zone Perforations SPF 2 13610-13630 LSD 3. RIH with CT. Wash the perforations with 12% HC1/10% xylene. Flow well to produce out all the acid. Test the well. 4... Surge the well and test. 5. RIH with coiled tubing and pack the wellbore with filtered seawater. 6. Pump 50 bbls cement followed by 2 bbls of water and 100 bbls contaminant. Hold 3000 psi surface squeeze pressure for 60 minutes. Squeeze off the following perforations: Zone Perforations SPF z ~o -~o 2 13683-13717 4 2 13746-13766 4 (Ref. BHCS 2/22/86) 7. Jet or reverse out the contaminated cement. Let cement cure for 2 weeks. 8. Perforate as follows: Zone Perforations SPF Comment 2 13610-13652 LSD Add perf 2 13684-13692 LSD Reperf 2 13748-13766 LSD Reperf 9. Test the well. Other Well Information Current status: Producing. Expected static bottomhole pressure: 3735 psi. @8800' SS Expected fluid in wellbore at reperforation: seawater. 6 5 4 . 2 COILED TUB~LNi~ UN~.T BOP EOU ! PHENT 1. 5000 PSI ?" WELLHEAD CONNECTOR FLANGE 2. 5000 PSI 4 1/16" PiPE RAMS 3. 5000 PSI 4 1/6" I-IYD~ULK~ SLIPS 4. 5000 PSI 4 1/6" SHEAR RA~S 5. 5000 PSI 4 1/6" BLIND RAMS 6. 5000 PSI 4 1/16" STUFFING BOX 3 2 HIRELINE BOP EOUIPHENT 1. 5,000 PSI ?" WELLHEAD CONN£CIOR FLANGE 2. 5000 PSI WIRELIN[ RAMS (VARIABLE SIZE) .1. 5000 PSI 4 1/6" LUBRICATOR 4. 5000 PSI 4 1/6" FLOW TUBE PACK-DFF ADDENDUM WELL: -' 16- 24 4/08/86 6/14/86 8/18/86 Rn gyro f/0'-13,800'. Rn DDL/CCL. Original PBTD: 13,895' New PBTD: 13,871' OWC: 13,824' Rathole Below OWC: 47' Arctic Pak w/300 sx AS I, followed by 125 sx Arctic Pak. RU CTU, RIH to 1000', circ diesel dn CT, tak'g rtns up 5½" tbg thru tree. RIH to 1500', circ diesel. RIH to, 2200' circ diesel holding 2000 psi on 13-3/8" x 9-5/8" csg while circ'g thru CT. Pmp 18 bbls methanol & 75 bbls diesel dn 13-3/8" x 9-5/8" csg ann @ 2.5 BPM, 700 psi. Production RIH w/CT to 3500', jet diesel out w/N2, POH, RD CTU & SI well. Anchorage Drilling Supervisor Date R'I::'f":F I'V F:.-'B T:.~Y .... ~._~' ..................... ;_. - ~.'.,~ ~ . - . ....- . Alaska, Oil & Gas Cons. Commission : Anchorage . f":, T ,":! T t;.: T T:: ! !'T' T f"l hJ ARCO Al-mska, Inc P.O. Box t .00360 Anchorage, A l a.s'km D~t'I'E: Jc~ne 29, 1987 REFERENCE: ARCO Cased Hole ~..inaL :'~-? 6-~ 5-8? 9-4 6-~ 0-87 I 2-2.0 6-'-i 0-87 t 4-'i 7 6-i 3-8'7 t 6-24 6--t t-87 Step Rate ]:nj, Pro'fi Le Run t, 5" F'Low/Wa'ter HoLd--ui:~/(;R Run t, 5" In.j, F:'rofi Le/Temp, Run t, 5" Temp,/F'Luid Den . /Wa 'l' er HoLd-up Run t, GR/FLowmeter Run t, 5" C 8 Cftc 0 Camco C a m c o Ca f~c 0 PLea:se sign and return R~¢~i ved By .................. Rosanne Peek ATO-t 529 TRAN$ ;;:,p p roved ................ !.~'1 ................................................ the m'~tached copy a:s receipt of da'~.., JUL- 7 19I 7 Oil E Gas Cons. Commission Anchorage DISTRIBIJTION · ,. ..entraL F.-i :... Chevron · ,.~" E x t e n .s i o n E x p I. o r' a t i o n ~ E X X Ol'l · '" H o b i L ir -.- Phi L L ip.~ ,.' ::. R & I) · "'.- Sohio JI. · .. S'tate of ALaska ARCO A£a.ska, Inc, I::',0, Box t00~60 Anchorage, A Lmsl<m DATE: May 29, t987 REFERENCE: ARCO Pres.sure Da'tm -29 .~- t 6-87 3-5 5- t 8-87 $ f a t' i c BHF' ;*';; ! i .,.'~' 9-.- t .~ 5-t8-87 ~'tm~ ic BHP 2-t 2 5-t 7-8'7 6-24 4.--S0--87 F'res:.~u. re B~i Ld--Up Ot i PLea.se .sign and return the attached copy a.s receipt of dafa, Received By ...................................................... F;..'o..,i'anne I:. eek 'fRANS' ~87'278 //'~) &laskn Oil & Gas 60r:s. Commission A I'-: P r o v e d .............................................................. [.. ~/~. A~lch0l'nr!~ DISTRIBUTION C. entra I. F'i I.e:~ .,. Chevron F')" ~. :," '"i :l~ I) & M '"' -,. R & D Extension ExpLoration :.":.,S:oh i o · ,,-'"' Exxon .$ ~.ate of AI.a.,:;ka M a r a 't' h o '1"i '.' "r e x a c o :~: ldo[ii [ ARCO Alazka, Inc. P.O. Box i eOJ60 Anchorage, Alaska 995~0 DATE: Hay i5, t987 REFERENCE: ARCO Cased Hole Final i -28 · 4-22--87 2-8 4-i 3-87 3-9 4-t .0-8'? .3-22 4-'i 5-87 3-22 4--29-8? · 3-25 4-t 5-87 3-25 4-i 6-.8? 4-t 7 4-t ~-87 6--2''),.. 4- ~ 9-.87 6'-23 4-2.0-87 9-4 4-22-8? 9-6 4-3-8'? ;?..-- 28 4-t 6-87 I t -- ~ 4-20-87 t t -t 0 -4-t '?..-.8'? t t -t .5 4-t 8.--87 t 3-2 t 4-2-0-87 t 3-25 4-25-87 t '~r'.3 ~ 4-t 9-87 t 4-20 4-'5-'8'7 t 4'-35 4.-6-87 t 6-24 4-6-87 t 8-2 - .4- t ,..: ...... 8-? t8-8 4-22-87 F Lowme'(er/CCL Run Leak Det,/Temp/Ft. owmefer Run Leak Der. Run Fluid I.D./GR/Temp ~1~ FLop. P.L.(CCL/GR/Temp) Run F Lowmefer/GR Run P~mp in Temp, ~rvey R~n Inj. F'rof~ ~e Run F ~op.P.L. (CCL/GR/Temp) Run F ~op. F'. L. (CCL/GR/Temp) Run Co~ar Log (~e~ bridge p~ug) Run Co~ar ~ Perf. Log Run Co~ar Log(~e~ AVA &DW pack) Run Prod. F'rof~e/F'~ow/F~u~d I.D Run F lop,P,L, (CCL/GR/Temp) Run F lop, P. L, (CCL/GR/'FemP) Run Inj, Profi ~e/Flowme~er Run Inj, F'rofi te/Ftowmefer Run Inj, F'rofi le/Flowme'ter Run CH CNL Rt;n CH CNL Run F [op,P,L, (CCL/GR/Temp) Run F'[owme~er/Temp/F'[uid Density R. un F [owmefer/F[uid Den~ i '{'y Run Please sign an 't _~ached copy as rece 5 ¼'--x HAVE A ~rCF. D,~Y! ,,, ' ~ L~ R o ~ a n n e ' De e k ~C. ZorsO~ . ~ A'l'O- ~ ~27 "' ';' R A N ~: :~ 8'7237 A I:) p I- c) ¥ e d ......... DIS]'RIBUTION Caf,lc o Camco Cafflco C all~. O $ch Camco ~,. Camco ~' -~ · ~ ~ch ~ch Gear Gear Gear Camco ~ch ~ch Camco Cah~co Camco ~ch ,~ch Cshlco ipt of da~a, · "'-,,- Phi llips F'B Well Fi Les F,' & D ARCO Alaska, P 0 Box ~003 Anchorage, A 995'i 0 DATE' February 2 5, t987 REFERENCE' ARCO Cased Hol. e FinaL 3-t4 8-23-86 CET Run t, 5 · $ch 4-t7 6-6-86 Perf. Record Run t, 5 · $ch 4-48 6-6-86 F'erf. & CCL Run ~, 5' Sch 4-2t. 6-~-86 F'erf. & CCL Run ~, 5" Sch 4-22 6-5-86 Perf. Record Run ~, 5' $ch 4-~4.. 6-6-86 Perf. Record Run t , 5' $ch 4-2? 6-4-86 F'erf. Record Run t, 5" Sch 4-28 6-4-86 Perf. Record Run t, 5' $ch 9-42 8-?-86 CET Run t, 5' $ch t4-4 8-t4-86 Reperf. Record Run l,' 5" $ch 46-24 8-24 -86 Perf. Record · Run t, 5' $ch iT-ii 5-tt-86 CompLetion Record Run t, 5" Xch ~7-44 8-29-86 Add-Perf. Record Run t, 5" $ch PLease sign and return ~he atfached copy m~ receipt of data. Received By ..... HAVE A NICE DAY! Rosanne Peek ATO-~9 TRAN$ Approved --' E ~ Alaska Oil & Gas Con~ C.,ommJssio~ / ~ Anchorage ... :';,, ~TRIBUTION Central Fi te~ Ch err on D & M Extension ExpLoration Exxon Harm ~hon Mob i L F'hi LLip5 F'B WeLL Fi Les R & D Texaco ARCO Alaska, Inc. Prudhoe Bay ~_-~gineering Post Office Box 100360 Anchorage, Alaska 99510~0360 Telephone 907 263 4248 Donald F. Scheve Operations Engineering Manager February 24, 1987 Mr. C. V. "Chat" Chatterton Alaska Oil and Gas Conservation Commission 3001Po?cupine Drive Anchorage, AK 99501 Dear Mr. Chatterton: Re: DS 16-24 Enclosed is the "Intention" Sundry Notice detailing work proposed on the above-mentioned well. Very truly yours, D. F. Scheve DFS/GWF:sd Enclosure cc: Standard Alaska Production Co. File P1(DS16-24)W1-3 ARCO Alaska, Inc. is a Subsidiary of AtlanticRichfieldCompany ...... STATE OF ALASKA - ALAS,._, OIL AND GAS CONSERVATION COM,. 5SION APPLICATION FOR SUNDRY APPROVALS 1. Type of Request: Abandon [] Suspend [] Operation Shutdown [] Re-enter suspended well [] Alter casing El Time extension [] Change approved program [] Plugging [] Stimulate [] Pull tubing [] Amend order [] Perforate [10ther~t 2. Name of Operator 5. Datum elevation(DF or KB) ARCO Alaska, Inc. 70' RKB feet P_ o r. ty na e 3' A~dor~Soffice Box 100360, Anchorage, AK 99510 6. Unit or ~[r~lioe ~P~y Unit 4. Location of well at surface 1683' FNL, 1260' FWL, Sec. 24, T10N, R15E, UM 7. Well number DS 16-24 At top of productive interval 581' FNL, 2828'FWL, Sec. At effective depth 418' FNL, 3030' FWL, Sec. At total depth 392' FNL~ 3016' FWL~ Sec. 11. Present well condition summary Total depth: measured true vertical 18, TION, R16E, UM 18, TION, R16E, UM 18~ TION, R16E, UM 8. Permit number 9. APl num(~L~.~_21536 50-- 10. Pool Pr`udhoe Bay 0il Pool 13950 feet Plugs (measured) 9208 feet Effective depth: measured 13895 true vertical 9171 Casing Length Size True Vertical depth Conductor' 80' 20" 1700# Poleset 112' 112' Surface 2810' 13-3/8" 3500 sx CS 111 & 2841' 2695' 1000 sx CS 11 Production 13516' 9-5/8" 500 sx Class G 13547' 8935' Liner 668' 7" 250 sx Class G 13276-13944' 8755'-9204' feet Junk (measured) feet Cemented Measured depth Perforation depth: measured 13683-13717' 13746-13766' true vertical 9028-9052' 9071-9085' Tubing (size, grade and measured depth) z,, L-80 tbg w/tail @ 13348' 2 Packers and SSSV (type and measured depth) SB-3 pkr @ ~[3228' and BAL-O SSSV ¢ 2205' 12.Attachments Description summary of proposal 13. Estimated date for commencing operation 1987 14. If proposal was verbally approved Name of approver Date approved 15. I herebv,,certify that the,to~ and correct to the best of my knowledge Signed Title Operations En§ineerin.q Mana§er Commission Use Only Conditions of approval Approved by Notify commission so representative may witness I Approval No. [] Plug integrity [] BOP Test [] Location clearanceI "~ "-- // 7 ::,, ,'~ :~ ;,-~: by order of ¢ , ,, .......... Commissioner the commission Date~._7~,,.._ ~/4 ?' ~1 Form 10-403 Rev 12-1-85 GWF (265-6268) Submit in triplicate ARCO Alaska, Inc. Requests the following' · Permission to waive the production profile described in Conservation Orde~,~Rule 11a. Only 54' of perforations were shot in 16-24. All of the perforations were shot in the Tango thereby negating the need for a spinner survey. Additional perforations are planned as listed below. The timing of the perforations, however, is after the initial six month time period has passed. A production profile will be run following the addition of the Sadlerochit perforations listed below. 2. Sundry approvals for additional perforations on DS 16-24 for selected intervals within the Sadlerochit sand from the Prudhoe Bay Unit. All wireline work will be done through a 5000 psi WP BOP/lubricator, tested to 1.2 times the maximum expected surface pressure. The SSSV will be installed at the conclusion of the perforating and clean up operation. Ref' BHCS 2/22/86 Proposed Sadlerochit Perforation Intervals' 13547-13662'MD (115~) Ca mc (:~ Ca mc o I'.] a ~ii C C) C.a mc o F:' L e a '_.~: e :?.: i ::.4 n a 'n clr e 't' u r n i' h e a t' ~' a (:: h e d c: c:, F, Y r e ,::: e i p t: o '1"' (:t a .1: a., R ec e i '.'./e d B y ........................................................................... ARCO ALa.~ka, Inc, P.O. Box ~ Anchorage, AI. aska DATE: .S'epSember t6, t986 REFERENCE: ARCO F're.s'sure Dat'a i 6--. ~ 7 9.-. ~ -86 ,.~ '[ a t i c G r a d i e n t C a m c: o 6-~8 9-8-86 ,S'ta~ic Gradient Camco 6-'2~ 8-.:3~-86 ~';~at'ic Gradien'[ Camco ~ ~ 6-24 9-7-86 i~fa$ ic Grad ienf Camco ~7-~4 8-25-86 BoktomhoLe St'atic Pre~,Y~rv Sch Please sign and re'!'urn '[he at'~ached copy Received By ........................................................... HAYE A NICE DAY! Ros'anne F:'ee k A T 0 .... ~ ~ ''~ ~ 'T'I:;:A N ~ D I ~' T F..[ BUT I 0 N CenfraL Fi Les Chevron '"' D & M Fxtension Expl. orat'ion :l~ E x x o n :,~ Hob i L :,",: F:'hi I. Lip s F:'B WeLL F:'i Le~' :'.: R & D .,,-'"' b;' o h i o · "' ,t.'tate of A La~ka ~r'"' T e X ¢?i C: C) . Oil & Gas Cons Commission Anchorage STATE OF ALASKA ALASK/-~ OIL AND GAS CONSERVATION COMMISSION 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 ARCO Alaska, Inc. 86-24 3. Address 8. APl Number P.O. Box 100360, Anchorage, Alaska 99510 50- 029-21536 4. Location of well at surface 9. Unit or Lease Name 1683' FNL, 1260' FWL, Sec. 24, T10N, R15E, UM Prudhoe Bay Unit At Top Producing Interval 10. Well Number 581' FNL, 2828' FWL, Sec. 18, T10N, R16E, UM 16-24 At Total Depth 11. Field and Pool 392' FNL, 3061' FWL, Sec. 18, T10N, R16E, UM Prudhoe Bay Field , 5. Elevation in feet (indicate KB, DF, etc.) I 6. Lease Designation and Serial No. Prudhoe Bay Oil Pool 70' RKB , 12. Date Spudded 13. Date Y.O. Reached 14. Date Comp., Susp. or Aband. 15. Water Depth, if offshore 116. No. of Completions 1/27/86 2/21/86 06/27/86 N/A feet MStI N/A . .. 17. Total Depth (MD+TVD) 18.Plug Back Depth (MD+ rVD) 19. Directional Survey I 20. Depth where SSSV set 21. Thickness of Permafrost 13950'MD, 9208'TVD 13895'MD, 9171'TVD YEI~I~ . . NO []I 2205 feet MD 1900' .(Appro×.) . 22. Type Electric or Other Logs Run DIL/BHCS/GR/SP, FDC/CNL/CR/Cal 23. CASING, LINER AND CEMENTING RECORD ,, SETTING DEPTH MD CASING SIZE WT. PER FT. GRADE TOP BOTTOM HOLE SIZE CEMENTING RECORD AMOUNT PULLED ,, , 20" 91.5# H-40 Surf. 112' ..30" 1700~ 13-3/8" 72.05k L-80 Surf. 2841'.. 17%" 2500 sx CS 111 & 1000 sx CS 1] 9-5/8" 47.05A L-80 Surf. 13547' 12~" 500 sx Class G 7" 29.0# L-80 13276' 13944' ..... 8.~" 250 sx Class G 24. Perforations open to Production (MD+TVD of Top and Bottom and 25. TUBING RE'CORD interval, size and number) SIZE DEPTH SET (MD) PACKER SET (MD) Sadlerochit 5~ ] '~? 1 - 4.~ . .. · 26. ACID, FRACTURE, CEMENT SQUEEZE, ETC. 13683'-13717'MD 4 spf 9028'-9052'TVD DEPTH INTERVAL (MD) AMOUNT & KIND OF MATERIAL usED 13746'-13766'MD 4 spf 9071'-9085'TVD N/A Ref: BHCS 2/22/86 27. PRODUCTION TEST Date First ProduCtion I Method of Operation (Flowing, gas lift, etc.) cl/8 / ~'GJ Gas lift ..... .... , Date of Test Hours'Tested PRODUCTION FOR OIL-BBL GAs-~'CF WATER-BBL CHOKE SIZE GAS-OIL RATIO 9/09/86 5.8 TEST PERIOD ~ ..110 99. 579 gO° .396 ,, , Flow Tubing Casing Pressure CALCULATED OIL-BBL GAS-MCF WATER-BBL OIL GRAVITY-APl (corr) Press. 239 900 24_HOUR RATE ~ 456 409 2394 21.9° ,,, 28. CORE DATA , , , Brief description of lithology, porosity, fractures, apparent dips and presence of oil, gas or water. Submit core chips. · , ,:? ~i 9 1986 ,~.~!,,,~.~ 0il & Gas Cons. ' ..... :"":' ''~ ....... Form 10-407 Rev. 7-1-80 CONTINUED ON REVERSE SIDE Submit in duplicate~ GEOLOGIC MARKERS ':~ FORMATION TESTS . . , · · NAME Include interval tested, pressure data, all fluids recovered and gravity, MEAS. DEPTH TRUE VERT. DEPTF GOR, and time of each phase. Top Sag TrunCated Base Sag -- Top Sadlerochit 13542 8933 t . I .' '.~ ~'¢ ., .:" ~ , , ;.. [ ' .: [ · ' O/W Contact 13810 9116 Base Sadlerochit 13920 9190 31. LIST OF ATTACHMENTS 32. I hereby certify that the foregoing is true and correct to the best of my knowledge INSTRUCTIONS General' This form is designed for submitting a complete and correct well completion report and log on all types of lands and leases in Alaska. '- .'~ · Item 1' Classification of Service Wells: Gas injection, water injection, steam injection, air injection, salt water disposal, water supply for injection, observation, injection for in-situ combustion. Item 5' Indicate which elevation is used as reference (where not otherwise shown) for depth measurements given in other spaces on this form and in any attachments. Item 16 and 24: If this well is completed for separate produCtion from more than one interval (multiple completion), so state in item 16, and in item 24 show the producing intervals for only the interval reported in item 27. Submit a separate form for each additional interval to be separately produced, showing the data pertinent to such interval, Item 21' Indicate whether from ground level (GL) or other elevation (DF, KB, etc.). Item 23' Attached supplemental records for this well should show the details of any multiple stage cement- ing and the location of the cementing tool. Item 27: Method of Operation: Flowing, Gas Lift, Rod Pump, Hydraulic Pump, Submersible, Water In- jection, Gas Injection, Shut-in, Other-explain. Item 28: If no cores taken, indicate "none". Form 10-407 .... STATE OF ALASKA ALASk,,..)IL AND GAS CONSERVATION COM[ ,oSION REPORT OF SUNDRY WELL OPERATIONS 1. Operations performed: Operation shutdown [] Stimulate [] Plugging [] Perforatex_~ Pull tubing Alter Casing [] Other [] 2. Name of Op_erator ARCO Alaska, Inc. 3. Address Post Office Box 100360, Anchoraqe, AK 99510 4. Location of well at surface 1683' FNL, 1260' FWL, Sec. 24, T10N, R15E, UH At top of productive interval 581' FNL, 2828' FWL, Sec. 18, T10N, R16E, UM 5. Datum elevation (DF or KB) 70' RKB Feet 6. Unit or Property name Prudhoe Bay Unit 7. Well number DS 16-24 At effective depth 418' FNL, 3030' At total depth 392' FNL, 3061' FWL, Sec. 18, TION, R16E, UM FWL~ Sec. 18, TION, R16E, UM 11. Present well condition summary Total depth: measured true vertical 8. Approval number 86-24 9. APl number 50-- 029-21536 13950 feet 9208 feet Plugs (measured) Effective depth: measured true vertical 13895 feet 9171 feet Casing Length Size Conductor 80' 20" Surface 2810' 13-3/8" Production 13516' 9-5/8" Liner 668' 7" Junk (measured) Cemented 10. Pool Prudhoe Bay Oil Pool True Vertical depth Measured depth 112' 2841' 13547' 13276'-13944' 112' 2695' 8935' 8755'-92[ Perforation depth: measured 1700# Poleset 3500 sx CS 111 & 1000 sx CS 11 500 sx Class G 250 sx Class G true vertical 13683'-13717', 13746'-13766' 9028'-9052', 9071'-9085' Tubing (size, grade and measured depth) 5½", L-80, tbg w/tail @ 13348' Packers and SSSV (type and measured depth) SB-3 pkr @ 13228' & BAL-O SSSV @ 2205' 12. Stimulation or cement squeeze summary Intervals treated (measured) Treatment description including volumes used and final pressure Prior to well operation Subsequent to operation Representative Daily Average Production or Injection Data OiI-Bbl N/A Gas-Mcr Water-Bbl Casing Pressure 456 409 2394 900 Tubing Pressure 239 13. Copies of Logs and Surveys Run [] 14. Attachments Daily Report of Well Operations [] 15. I hereby certify that the foregoing is true and correct to the best of my knowledge Title Operations Engineering Manager Date Submit Signed 2~j~~~.- Form 10-404 Rev. 12-1-85 GWF (6268) 1 Wel 1 16~4 Began perforating operati~ 8/21/86. RU perforating unit, pressure tested surface equipment. RIH wit~ gun #1, shot 13745' - 13765' MD (ref: CBL 4/7/86) 4 spf. All shots fired. POOH. RIH with gun #2, shot 13696' - 13716' MD 4 spf. All shots fired. POOH. RIH with gun #3 13682' - 13696' MD 4 spf. All shots fired. POOH. Flow Well for clean-up. SI well. RD. ARCO Alam-ka, Inc F'.O. Box 108360 Anchor'age, ALmska 995f8 DATE' July ~8,!9 86 REFERENCE' ~,,,,.-,_,"'"~"nn P.a.:ed.. Ho~e F ina [ 3-14 5-i6-86 Co; Jar F'er fora t i r.,g 16-t7 6-t 4-86 Col Jar log i 6-i9 6--i 4-86. Co [ tar tog 1 6-28 6-i 4-86 Co Ilar log i6-2t 6-I 4-86 Co l Jar log t 6-24 6-24-86 Co l far log log r"lea_ce ~ign and q-e-I: urn Received By t'~~attach)dk ~ Ru'n i Ru'n i F..' u r~ i Run F.:un 1 Run HAVE A NICE DAY! Linda HuLce AT0-t529 TRAN$ ~8647~ c_opy a_--z, rer-e _. 5' 5' 5' 5" of data. ~eal- Gear t~ e,~ '..- Gear Phi Llip~ F'B WeLL F i Le~ enh ' · '-,-,~. lO ~ AJas~ Oil & Gas Cons. CommJssior, STATE OF ALASKA ALASK,-, OIL AND GAS CONSERVATION COMb. ~$1ON REPORT OF SUNDRY WELL OPERATIONS 1. Operations performed: Operation shutdown [] Stimulate [] Plugging ~ Perforate [] Pull tubing Alter Casing [] Other [] Complete 2. Name of Operator 5. Datum elevation (DF or KB) ARCO Alaska, Inc. RKB 70' 3. Address 6. Unit or Property name P.O. Box 100360 Anchoraqe, AK 99510 Prudho~ Bay Unit 4. Location of well at surface 7. Well number 1683'FNL, 1260'FWL, Sec.24, TION, R15E, UM 16-24 At top of productive interval 581' FNL, 2828'FWL, Sec.18, TION, R16E, UM At effective depth 418'FNL, 3030'FWL, Sec.18, TION, R16E, UM At total depth 392'FNL, 3061'FWL, Sec.18, TION: R16E, UM Fee¢ 8. Approval number Permit #86-24 9. APl number 50-- 029-21536 10. Pool Prudhoe Bay Oil Pool 11. Present well condition summary Total depth: measured true vertical Effective depth: measured true vertical Casing Conductor Surface 1 3950 feet 9208 feet Production Liner feet 1 3895 feet 9171 Length Size 80 ' 20" 2810' 13-3/8" I 351 6 ' 9-5/8" 668 ' 7'~ Plugs (measured) None Junk (measured) None Cemented Measured depth 1700# Poleset 112'MD 3500 sx CS Ill & 2841'MD 1000 sx CS II 500 sx Class G 13547'MD 250 sx Class G 13276'-13944'MD ~ue Verticaldepth 112'TVD 2695'TVD 8935'TVD 8755'-9204'TV Perforation depth: measured None true vertical None Tubing (size, grade and measured depth) 5-1/2" L-80 tbg w/tail @ 13,348' Packers and SSSV (type and measured depth) SB-3 pkr ~ 13,228' & BAL-O SSSV ~ 2205' 12. Stimulation or cement squeeze summary N/A Intervals treated (measured) Treatment description including volumes used and final pressure 13. N/A Prior to well operation Subsequent to operation Representative Daily Average Production or Injection Data OiI-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure 14. Attachments (Compl. Well History w/Addendum, dated 6/18/86) Daily Report of Well Operations [] Copies of Logs and Surveys Run ~X Gyro 15. I hereby certify that the foregoing is true and correct to the best of my knowledge Signed Form 10-404 Rev. 12-1-85 Title Associate Engineer Date (DAM) SWO/070 Submit in Duplicate ARCO Oil and Gas Company Daily Well History-Final Report Instructions: Prepare and submit the "Final Report" on the first Wednesday after allowable has been assigned or well is Plugged, Abandoned, or Sold. "Final Report" should be submitted also when operations are suspended for an indefinite or appreciable length of time. On workovers when an official test is not required upon completion, report completion and representative test data in blocks provided. The "Final Report" form may be used for reporting the entire operation if space is available. IAccounting cost center code State Alaska IWell no. 16-24 District ICounty or Parish Alaska I North Slope Borough Field ~Lease or Unit Prudhoe Bay I ADL #28346 Auth. or W.O. no. ITitle AS0090 I Complete WWS #1 API 50-029-21536 Operator A.R.Co. W.I. ARCO Alaska, Inc. 21.66% Spudded or W.O, begun Date Complete 6/25/86 Iotal number of wells (active or inactive) on this i ost center prior to plugging and bandonment of this well our I Prior status if a W.O. I 1600 Hrs. Date and depth as of 8:00 a.m. 6/26/86 6/27/86 Complete record for each day reported 7" f/13,276-13,944' 13,895' PBTD, RIM w/5-1/2" CA 9.4 ppg NaC1 Accepted ri~ @ 1600 hrs, 6/25/86. w/5-1/2" CA. ND tree, NU & Cst BOPE. RIH 7" f/13,276-13,944' 13,895' PBTD, NU tree Diesel Rn 325 its, 5½", 17~, L-80 8RD AB-Mod tbg w/Bal-O-SSSV @ 2205', SB-3 pkr @ 13,228', TT @ 13,348'. Rev circ well to diesel, set pkr & tst. Tst tbg; OK. ND BOPE, NU ~ree. RE @ 0800 hfs, 6/27/86. Old TD New TD Released rig Date 0800 Hrs. Classifications (oil, gas, etc.) Oil Producing method Flowing Potential test data PB Depth IK nd of r g 6/27/86 I Type completion (single, dual, etc.) Single Official reservoir name(s) Sadlerochit 13,895' Rotary Well no. Date Reservoir Producing Interval Oil or gas Test time Production Oil on test Gas per day Pump size, SPM X length Choke size T.P. C.P. Water % GOR Gravity Allowable Effective date corrected The above is~c°rrect. Signatur~~,~"~ ~/~ / I Date ' ~' a ~ -,~"-'"~ I For form preparation and distribution, I see Procedures Manual, Section 10, Drilling, Pages 86 and 87. 7/18/86 ITM Drilling Supervisor ADDENDUM WELL: 16-Z4 4/08/86 6/14/86 Rn gyro ~/0' Rn DDL/CCL. -13,800' . Original PBTD: New PBTD: OWC: Rathole Below OWC: 13,895' 1~,871' 13,824' 47' Drilling Supervisor Date ARCO Alaska, Inc. F'.O. Box ~00360 Anchorage, ALaska 995 ~ ~) DATE- July t 4,i986 REFERENCE: ARCO Cased Hole Final 4-7' 3-26-86 CN/GR Mul¢ispace Run t 5' 4-i~.. [3-2-86 ACBLog VDL/$ign Run I 5' 4-~3~ ~ 4-9-86 ACBLog VDL/~jgn Run t 5' 4-33 ~ 4-t~-86 ACBLog VDL/~ign Run ~ 5' ~t6-24 ~ 4-7-86 AC~Lo~ VDL/~i gn Run ~ 5' Rece i red B ~ - ~.'~ '~' ~ HA~E A NIC Linda Hutce ATO-t 529 TRAN$ ~864~ of Dress Dress Dress Dress data. DISTRIBUTION Central Fi [es Chevron D & M Ex+.ension Exp[ora+.ion Ex xon Marathon Mob i [ Phi LLips PB WetL Fi Les R & D $ohio S~a~e of ALaska Texaco Anchormge, Alaska 995i0 DATE · Ap r i L R lie F E R E N C E: 7, ~ 986 ARC;O Magnet:ic 'rapes' w/I. i .t;'t' ing "'~ DS 4.-26 3-8-86 D,S' 4-'~8~-. ~.."~-"~"" 86~ DS ~ 3-98 '2-'i 6-86 ~ DS ~ 6-'24 2-27'-"86 F:' !. e a .<.~: e :~: i g n a n d r e '1: t! ~" ~"~ '1.' h e a 't 't a c h e d c o p Y a .":: i" e c e i p 't o 'f Received By ............................ I r m o E:a r L i n Naska Oil & ~as Cons. Gommi~ion A T 0 .... i 4 2 9 F'" Anchorage ..... t '". ¢'1 [ I-,.~-.,N.~ ....,:.~ ,~ "~-) o (:1 a f a. D 15: T r.;.'. I B U "f' I 0 N ....... STATE OF ALASKA ~" 0 I~ IQ ~ t ALASKA u~L AND GAS CONSERVATION CO,wMISSION WELL COMPLETION OR RECOMPLETION REPORT AND LOG 1. Status of Well Classification of Service Well OIL [] GAS [] SUSPENDED D(]x ABANDONED [] SERVICE [] 2. Name of Operator 7. Permit Number ARCO Alaska, Inc. 86-24 3. Address 8. APl Number P. 0. Box 100360, Anchorage, AK 99510-0360 50- 029-21536 ..... 4. Location of well at surface 9. Unit or Lease Name 1683' FNL, 1260' FWL, Sec.24, T10N, R15E, UN Prudhoe Bay Unit At Top Producing Interval 10. Well Number To be submitted when gyro is run. 16-24 At Total Depth 11. Field and Pool To be submitted when gyro is run. Prudhoe Bay Field 5. Elevation in feet (indicate KB, DF, etc.) I 6. Lease Designation and Serial No. Prudhoe Bay Oi 1 Pool 70' RKBJ ADL 28346 ALK 2331 12. Date Spudded 13. Date T.D. Reached 14. Date Comp., Susp. or Aband. I 15. Water Depth, if offshore 16. No. of Completions 01/27/86 02/21/86 02/27/86J N/A feet MSL N/A 17. Total Depth (MD+TVD) 18.PIugBackDepth(MD+TVD) 19. DirectionaISurvey 20. Depth where SSSV set 21. Thickness of Permafrost 13950'ND 13895'MD YES [] NO [~(X N/A feet MD 1675' (approx) 22. Type Electric or Other Logs Run D I FL/BHCS/GR/SP, FDC/CNL/GR/Cal 23. CASING, LINER AND CEMENTING RECORD SETTING DEPTH MD CASING SIZE WT. PER FT. GRADE TOP BOTTOM HOLE SIZE CEMENTING RECORD AMOUNT PULLED 20" 91.5# H-40 Surf 112' 30" 1700# Pol eset 13-3/8" 72.0#/68.1)# L-80/K-.~5 Surf 2841' 17-1/2" 3500 sx CS Ill & 1000 Sx CS II 9-5/8" 47.0# L-80 Surf 13547' 12-1/4" 500 sx Class G 7" 29.0 L-80 13276' 13944' 8-1/2" 250 sx 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) None N/A 26. ACID, FRACTURE, CEMENT SQUEEZE, ETC. DEPTH INTERVAL (MD) AMOUNT& KIND OF MATERIAL USED N/A .... 27. N/A PRODUCTION TEST Date First Production [ Method of Operation (Flowing, gas lift, etc.) DateofTest Hours Tested PRODUCTION FOR OIL-BBL GAS-MCF WATER-BBL CHOKE SIZE GAS-OIL RATIO TEST PERIOD II~ 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 and presence of oil, gas or water. Submit core chips. None APR 0 4 1986 Form 10-407 DAM/WC96 Submit in duplicate Rev. 7-1-80 CONTINUED ON REVERSE SIDE N/A NAME 31. LIST OF ATTACHMENTS Well Hi story , GEOLOGIC MARKERS TRUEVERT. DEPTH 30. FORMATION TESTS MEAS. DEPTH Include interval tested, pressure data, all fluids recovered and gravity, GOR, and time of each phase. N/A 32. I hereby certify that the foregoing is true and correct to the best of my knowledge Title Associate Engineer [:'~.~,e. ,_ ~"~ INSTRUCTIONS General: This form is designed for submitting a complete and correct well completon 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: tf this well is completed for separate production from more than one interval (multiple completion), so state in item 16, and in item 24 show the producing intervals for only the interval reported in item :27. Submit a separate form for each additional interval to be separately produced, showing the data pertinent to such interval. Item 21' Indicate whether from ground level (GL) or other elevation (DF, KB, etc.). Item 23' Attached supplemental records for this well should show the details of any multiple stage cement- ing and the location of the cementing tool. Itern 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 .ARCO Oil and Gas Company Well History- Initial Report- Daily Instructione: Prepare and submit the "Initial Report" on the first Wednesday after a well is spudded or workover operations are started. Daily work prior to Spudding should be summarized on the form giving inclusive dates only. District Alaska Field Prudhoe Bay Auth. or W,O. no. AFE ASO090 ICounty. parish or borough North Slope Borough ILease ADL #28346 or Unit ITitle Drill IState Alaska IWell no. 16-24 Rowan 35 API 50-029-21536 Operator ARCO Alaska, Inc. Spudded or W.O, begun Spudded Date and depth as of 8:00 a,m. 1/27/86 1/28/86 1/29/86 1/30/86 1/31/86 IDate 1/27/86 Complete record for each day reported IHour 0500 Hrs. 20" @ 112' 240', (128'), Drlg surf hole Wt. 8.8, PV 23, YP 51, PH 8.5, WL 15, Sol 3 ~ccept ri~ @ 2300 hrs, 1/26/86. NU diverter. hrs, 1/27/86. Drl 17½" hole to 240'. ARCO w.,. 21.66% IPr or status if a W,O. Spud well @ 0500 20" @ 112' 1076', (836'), Drl 17½" hole Wt. 8.9, PV 15, YP 45, PH 8.5, WL 14.7, Sol 3 Drl 17½" hole to 513', DD to 1076'. ~ 433', Assumed vertical 576', 1.8°, N56E, 575.97 TVD, 2.59 VS, 1.46N, 2.17E 965', 12.7°, N45E, 961.34 TVD, 51.49 VS, 34.87N, 37.89E 20" @ 112' 1857', (781'), Drl 17½" hole Wt. 8.8, PV 20, YP 45, PH 8.0, WL 18.6, Sol 4 DD & surv to 1318', jet & drl to 1857'. 1116', 15.6°, N40E, 1107.76 TVD, 88.27 VS, 62.08N, 62.83E 1528', 15.1°, N43E, 1501.24 TVD, 209.49 VS, 155.03N, 142.03E 1766', 18.2°, N42E, 1729.26 TVD, 277.43 VS, 205.30N, 188.10E 20" @ 112' 2365', (508'), DD Wt. 9.0, PV 16, YP 48, PH 8.4, WL 20.0, Sol 5 Drl, jet & DD 17½" hole to 2365'. 1950', 20.8°, N46E, 1902.78 TVD, 337.49 VS, 248.89N, 229.61E 2137', 22.3°, N49E, 2077.0 TVD, 405.40 VS, 295.43N, 279.08E 20" @ 112' 2860', (495'), Rn'g 13-3/8" csg Wt. 9.1, PV 15, YP 43, PH 8.3, WL 14.6, Sol 6 DD & surv to 2860', POH, chg BHA. TIH, wsh & rm to btm, C&C f/13-3/8" csg. RU & rn 13-3/8" csg. The above is correct Signature For form preparation and distribution, see Procedures Manual, Section 10, Drilling, Pages 86 and 87. JDate 3/06/86 JTitle Drilling Superintendent ARCO Oil and Gas Company,,~' L, aily Well History--Interim Instructions: This form is used during drilling or workover operations. If testing, coring, or perforating, show formation name in describing work performed. Number all drill stem tests sequentially. Attach description of all cores. Work performed by Producing Section will be reported on "Interim" sheets until final completion. Report official or representative test on "Final" form. 1) Submit "lnlerim" sheets when filted out but not less frequently than every 30 days, or (2) on Wednesday of the week in which oil string is set. Submit weekly for worliovers and following setting of oil string until completion. District ICountyorparish IState Alaska North Slope Borough Alaska Field ILease or Unit IWell no. I ADL #28346 J 16-24 Prudlioe Ba' , Date and depth as of 8:00 a.m. 2/01/86 'thru 2/03/86 2/04/86 2/05/86 2/06/86 2/07/86 Complete record for each day while drilling or workover in progress 13-3/8" @ 2841' 4314', (1454'), Cut DL Wt. 9.1, PV 11, YP 14, PH 9.0, WL 14.2, Sol 6 Fin rn'g 13-3/8" csg w/FC @ 2758' & FS @ 2841'. Cmt w/3500 sx CS III, followed by 1000 sx CS II. Displ cmt & bump plug. RIH, DO FC, tst csg to 1500 psi. DO FS + 10' new hole. Conduct formation tst to 12.0 ppg EMW. Drl & surv 12¼" hole to 4314'. 2880' 34° N41E, 2725 TVD, 765 VS, 562N, 523E , ; 3188' 37 o N41 3E 2972 TVD, 947 VS, 70ON, 643E , · , · , 3541', 40.6°, N46E, 3250 TVD, 1165 VS, 857.18N, 793.84E 4037', 49.1°, N48E, 3599 TVD, 1516 VS, 1094.33N, 1053.37E 4224', 53.2°, N48E, 3714 TVD, 1663 VS, 1193.50N, 1162.37E 13-3/8" @ 2841' 6235', (1921'), Drlg Wt. 9.3, PV 12, YP 8, PH 8.3, WL 11.6, Sol 8 Drl & surv 12¼" hole to 6235'. 4393', 55.2°, N48E, 3814.55 TVD, 1799.36 VS, 1282.60N, 1265.05E 4837', 56.6°, N47E, 4063.47 TVD, 2166.97 VS, 1527.89N, 1538.91E 5553', 54.2°, N47E, 4466.18 TVD, 2758.93 VS, 1926.81N, 1976.27E 13-3/8" @ 2841' 7080', (845'), DD Wt. 9.3, PV 12, YP 12, PH 10.5, WL 14.1, Sol 6 Drl, DD & surv 12¼" hole to 7080'. 5926', 54.1°, N45E, 4685 TVD, 3061VS, 2139N, 2192E 6265', 53.6°, N49E, 4885 TVD, 3335 VS, 2327N, 2390E 6762', 55.1°, N52E, 5181TVD, 3733 VS, 2570N, 2708E 13-3/8" @ 2841' 7733', (653'), Chg bit Wt. 9.3, PV 10, YP 10, PH 10.0, WL 8.3, Sol 8 DD & surv 12¼" hole to 7733', POH f/bit chg. 7070', 58.6°, N48E, 5349.27 TVD, 2990.63 VS, 2736.92N, 2904.61E 7445', 58.1°, N47E, 5553.85 TVD, 4316.77 VS, 2957.89N, 3144.50E 13-3/8" @ 2841' 8124', (391'), Inspect'g rotary chain drive sys Wt. 9.2, PV 12, YP 16, PH 10.0, WL 10.4, Sol 8 RIH, wsh 60' to btm, drl 12¼" hole f/7733'-8070', repl broken rotary chain. Drl to 8124', repl 2nd broken rotary chain. Inspect rotary chain sys. 7911', 60.6°, N48E, 5786.32 TVD, 4709.10 VS, 3222.92N, 3433.73E The above is correct Signature For form preparation and distri'~u~ior~ see Procedures Manual Section 10, e Drilling, Pages 86 and 87 IDate ITitle 3/06/86 ARco Oil and Gas Company uaily Well History--Interim Instructions: This form is used during drilling or workover operations. If testing, coring, or perforating, show formation name in describing work performed. Number all drill stem tests sequentially. Attach description of all cores. Work performed by Producing Section will be reported on "Interim" sheets until final completion. Report official or representative test on "Final" form. 1) Subm. it "Interim" sheets when filled out but not less frequently than every 30 days, or (2) on Wednesday of the week in which oil string is set. Submit weekly for workovers and following setting of oil strin§ until completion. District Field Alaska Prudhoe Bay 2/08/86 thru 2/10/86 2/11/86 2/12/86 2/13/86 2/14/86 2/15/86 thru 2/18/86 County or Parish I State North Slope Borough I Alaska Lease or Un t IWell no. ADL #28346 I 16-24 Date and depth as of 8:00 a.m. Complete record for each day while drilling or workover in progress 13-3/8" @ 2841' 9575', (1451'), Drlg Wt. 9.3+, PV 8, YP 8, PH 10.5, WL 9.8, Sol 7 Chg out rotary chain. Drl, DD & surv 12¼" hole to 9575'. 8157', 61.4°, N47E, 5905.26 TVD, 4924.24 VS, 3368.27N, 3592.36E 8656', 56.5°, N50E, 6164.03 TVD, 5350.57 VS, 3648.03N, 3914.29E 9144', 57.25°, N47E, 6430.71TVD, 5759.18 VS, 3918.84N, 4220.88E 13-3/8" @ 2841' 10,270', (695'), Drlg Wt. 9.5, PV 13, YP 11, PH 10.5, WL 8.3, Sol 8 Drl & surv 12¼" hole to 10,270'. 9518', 56.2°, N47E, 6635.91TVD, 6071.85 VS, 4132.09N, 4449.06E 9858', 56.1°, N46E, 6825 TVD, 6354 VS, 4326N, 4653E 13-3/8" @ 2841' 10,776', (506'), Drlg Wt. 9.3, PV 15, YP 10, PH 10.0, WL 8.8, Sol 7 Drl & surv 12¼" hole to 10,776'. 10,315', 58.7°, N44E, 7071TVD, 6739 VS, 4599N, 4926E 10,581', 58.7°, N44E, 7209 TVD, 6966 VS, 4762N, 5084E 13-3/8" @ 2841' 11,309', (533'), Drlg Wt. 9.4, PV 14, YP 13, PH 10.5, WL 9.0, Sol 7 Drl & surv 12¼" hole to 11,309'. 11,096', 57.9°, N45E, 7480 TVD, 7403 VS, 5075N, 5391E 13-3/8" @ 2841' 11,840', (531'), Drlg Wt. 9.6, PV 12, YP 9, PH 10.5, WL 6.7, Sol 9 Drl & surv 12¼" hole to 11,840'. 11,606', 57.1°, N46E, 7754 TVD, 7833 VS, 5376N, 5698E 13-3/8" @ 2841' 12,949', (1109'), RIH Wt. 10, PV 16, YP 12, PH 10.5, WL 5.6, Sol 11 Drl & surv 12¼" hole to 12,949'. 11,980', 56.5°, N46E, 7959 TVD, 8146 VS, 5593N, 5923E 12,571', 53.4°, N47E, 8299 TVD, 8629 VS, 5931N, 6269E 12,890', 51.9°, N46E, 8493 TVD, 8883 VS, 6105N, 6453E The above is correct Signature For form preparation and distribution ~ see Procedures Manual Section 10, Drilling, Pages 86 and 87 Date ITitle 3/o6/86 Drillin8 Superintendent ARCO Oil and Gas Company Daily Well History--Interim I.structions: This form is used during drilling or workover operations. If testing, coring, or perforating, show formation name in describing work performed. Number all drill stem tests sequentially. Attach description of all cores. Work performed by Producing Section will be reported on "Interim" sheets until final completion. Report official or representative test on "Final" form. 1) Submit "lnlerim" sheets when filled out but not less frequently than every 30 days, or (2) on Wednesday of the week in which oil string is set. Submit weekly for workovers and following setting of oit string until completion. District ]County or Parish JState Alaska North Slope Borough Alaska Prudhoe Bay ADL #28346 6-24 2/19/86 Date and depth as of 8:00 a.m. 2/20/86 2/21/86 2/22/86 thru 2/24/86 2/25/86 2/26/86 Complete record for each day while drilling or workover in progress 13-3/8" @ 2841' 13,513', (564'), Drlg Wt. 9.9+, PV 16, YP 8, PH 10.0, WL 6.2, Sol 8 Drl & surv 12¼" hole to 13,513'. 13,193', 49.8°, N47E, 8684 TVD, 9118 VS, 6267N, 6624E 13-3/8" @ 2841' 13,558', (45'), Rn'g 9-5/8" csg Wt. 9.9, PV 16, YP 7, PH 10.0, WL 6.1, Sol 8 Drl & surv 12¼" hole to 13,558', C&C, POOH f/csg. Chg rams & tst. RU & begin rn'g 9-5/8" csg. 13,498', 46.8°, N48E, 8887 TVD, 9345 VS, 6421N, 6792E 9-5/8" @ 13,547' 13,558', (0'), CBU Wt. 9.7, PV 11, YP 6, PH 10.0, WL 6.2, Sol 7 Fin rn'g 310 jts, 9-5/8" csg w/FC @ 13,459', FS @ 13,547'. Cmt w/500 sx Cl "G" w/.75% D-31 & .20% R-5. Displ using rig pmps, bump plug. ND diverter, NU & tst BOPE. RIH w/8½" BHA, DO FC & cmt, tst csg to 3000 psi. Drl cmt & FS + 2' new formation. C&C prior to leak-off tst. 7" @ 13,944' 13,950', (392'), PU 8½" BRA Wt. 9.5, PV 13, YP 11, PH 11.0, WL 8.9, Sol 7 Conduct formation leak-off tst to 11.7 ppg EMW. Drl f/13,558'-13,950', C&C hole, POOH f/logs. RU DA, rn DIFL/BHCS/GR/SP & FDC/CNL/GR/CAL, RD DA. Make cond'g rn, POOH. RU & rn 14 its, + 1 mkr it, 7", 29#, L-80 BTC csg w/FC @ 13,896', FS @ 13,944' & TOL @ 13,276'. Cmt w/250 sx C1 "G" w/5% KC1, .3% D-31, 1.2% D-60, .20% R-5 & .2% D-6. Displ w/rig pmps, bump plug. CIP @ 2215 hrs, 2/23/86. POOH w/DP, PU 8½" BHA. 7" @ 13,944' 13,950', (0'), CO 7" lnr Wt. 9.3, PV 12, YP 17, PH 11.5, WL 9.6, Sol 7 PU 4-3/4" DC's & 3½" DP & std back. RIH, drl hard cmt f/12,910'-13,275' TOL, C&C, POH, LD 8½" BRA. RIH to TOL w/6" BHA. 7" @ 13,944' 13,895' PBTD, LD DP 9.4 ppg NaC1 RIH, drl hard cmt f/13,659'-LC & hard cmt to 13,895' PD~TD csg to 3000 psi before & after drlg LC. CBU, di~O[~ ~/i9.4 ppg NaC1 brine, POOH, LD DP. The above is correct Signature /,~ . For form p~e~'}ation and d~tribution see Procedures Manual Section 10, Drilling, Pages 8§ and 87 Date 3/06/86 ITM Drilling Superintendent AtlanticRichfieldCompany Daily We,, History-Final Report Instructions: Prepare and submit the "Final Report" on the first Wednesday after allowable has been assigned or well is Plugged, Abandoned, or Sold. "Final Report" should be submitted also when operations are suspended, for an indefinite or appreciable length of time. On workovers when an officiat test is not required upon completion, report completion and representative test data in blocks provided. The "Final Report" form may be used for reporting the entire operation if space is available. Accounting cost center code District County or Parish Alaska North Slope Borough Lease or Unit ITte Field State Alaska IWell no. 16-24 Prudhoe Bay ADL #28346 Auth. or W.O. no. AFE AS0090 Drill Rowan 35 API 50-029-21536 Operator I A.R.Co. W.I. ARCO Alaska, Inc. I 21.66% Spudded or W.O. begun IDate Spudded I 1 / 27 / 86 Date and depth as of 8:00 a.m. Complete record for each day reported Old TD Released rig I New TD 0900 Hrs, j Date 2/27/86 Classifications (oil, gas, etc.) Oil I otat number of wells (active or inactive) on this est center prior to plugging and I bandonment of this well I our I Prior status if a W.O. I 0500 Hrs. 7" @ 13,944' 13,895' PBTD, RR 9.4 ppg NaC1 Fin LD DP. Displ w/diesel. ND BOPE, NU & tst tree. rig. RR @ 0900 hrs, 2/27/86. Stack 13,950' PBDepth 2/27/86 Kindofrg Type completion (single, dual, etc.) Single Producing method Official reservoir name(s) Flowing Sadlerochit Potential test data 13,895' Rotary Well no. Date Reservoir Producing Interval Oil or gas Test time Production Oil on test Gas per day Pump size, SPM X length Choke size T.P. C.P. Water % GOR Gravity Allowable Effective date corrected The above is correct Signature ~J~/~ ~1,~11._,~ ]Date3/06/86 Title For form preparation and c~tribution, see Procedures Manual, Section 10, Drilling, Pages 86 and 87. Drilling Superintendent Mr. Randy Ruedrich ARCO Alaska, Inc. P. O. Box 360 Anchorage, Alaska 99510 May 6, 1986 Re: Our Boss Gyroscopic Survey Job No. AK-BO-60022 Well: DS 16-24 Field: Prudhoe Bay Alaska Survey Date: April 7, 1986 Operator: J. Samec Mr. Ruedrich: Please find enclosed the "Original" and one (1) copy of our Boss Gyroscopic Survey on the above well. Please note that a magnetic tape of the survey will be sent to Standard AK Prod. Co. and Exxon as per request of Jo Ann Gruber. Thank you for giving us this opportunity to be of service. Sincerely, NL SPERRY-SUN, INC. Ken Broussard District Manager Enclosures NL Sperry. SunlNL Industries, Inc. P.O. Box 190207, Anchorage, Alaska 99519-0207, Tel. (907) 522-1737 ARCO ALASKA. INC. DS 16-24(SEC24 TION Ri PRUDHOE BAY ALASKA VERTICAL SECTION TRUE SUBJSEA MEASURED UERTICAL.:i~~C DEPTH DEPTH 'ii~~ii~ ........................ 0 ............... OTO0 - 70. O0 1 O0 99.98 29.98 200 199.95 129.95 400 399.89 329'89 500 499.85 429.85 700 899.49 829.49 800 798.89 728.89 -9~ 897,75 827.75 1000 995.8:3 925.83 1100 1093.17 1023.17 1200 ' 118~.78" 1'11'9~'78 1300 1285.10 1215.10 1400 1379.16 1309.16 '15'00 ........ i473.9i f4OLJ-J-~I 1600 1569.83 1499.83 1700 16&~. 78 1595.78 1800---17&1.35 1900 1856.21 1788.21 2000 1950.25 1880.25 ~Z-l'-O0-- 2043.66 1973.&& 2200 213&.19 206'8.19 2300 2227.34 2157.34 L~O-O- --'231&~96 2500 2404.98 2334.98 2800 2491.38 2421.38 2700 .......... 2800 2880.51 2590.51 2900 2743.82 SPERRY-SUN ANCHORAGE ALASKA .ONG CLOSURE COMPUTATION DATE · COURSE I NCL I DEG MIN DATE OF SURVEY APRIL 07. BOSS GYROSCOPIC SURVEY KELLY BUSHING ELEV.~ = JOB NUMBER AK-BO-80022 OPERATOR-SAMEC 2673.82 _- ........ COURSE DOG-LEG 0 0 N 0'. OE O0 I 33 N 23.50 W 1.55 I 32 N 23.89 W 0.02 1' "19 : ..:N I 40 N 5 1 N 39.80 E 1.93 7 20 N 40. 0 E 2.32 12 32 13 53 N TOTAL qGULAR 0.00 1.24 N 3.71N &,~-2-N 8.27 N 10.79 N 14'5i N 20.18 N 28.42 N 39.77 N 54.58 N 72.21N 92.33 N COORDINATES EAST/WEST VERTICAL SE[:TIO~' 0. O0 0. O0 0.54 W 0.45 1.82 W 1.33 19 12 N 38. 0 E 3.27 118.13 N 81. 20 27 N 38.80 E 1.28 142.72 N 102. 1~ 4& .... 'N :4:1:;:::3~:::..I ::::' :: ::.::.:::::' 77 16,7.18 N- ...........i 22' 16 4 ::::::::::::::::::::::::::::: 188.08 N 141. 16 38 ' :!'::N::i'!: :~!i - --:'~-"'" ' ' ...,.......<...:<,...,,. ~ · 38 N 181. 17 - 35 ' N '43.80 I................ O' 98 229~'46 N 18i-', 19 15 N 42.60 E 1.70 252.50 N 203. 2o 31 N 46.30 E 1.79 276.74 N 227. 282. 312. ..... 342, 374. 407. ....... 441', 476. 513.21 02 E 138.38 10 E 171.92 ao E ' '20'3-:' 65 E 2:31.?~: 20 E '-' .,.59. 71 E -2~~ J_-{o E 320.7~ 16 E 354.75 74 E 36 E 428.27 ?~:~ 00 E 46~. 33 49 E 513.55~ 44 E 560.86 ~._. E 610 ~1 74 E 7 Z ~. e4 . ARCO ALASKA, INC. DS 16-24(SEC24 TION ALASKA ---V-~RTICAL SECTION CALCI TRUE ~PERRY-ogN WELL ANCHORAGE ALASKA CLOSURE COMPUTATION DATE COURSE COURSE DOG-LEG DEPTH DEP~ 'MI N 3000 ........ 28~~ ...... 2755.~8 3100 2906.99 2836.99 3200 2987.51 2917.51 35 45 ---N'41'.80 E 36 I N 42.60 E 36 42 N 42.89 E O. 54 0.71 3400 3146, 3500 3224.18 18 3600-----3299.86 ' ''3229'.86 3700 3373.21 3303.21 3800 3444.71 3374.71 43 41 N 49.19 E 1.84 45 I N 48.89 E 1.34 4000 3581-.20: 4100 364&'14 4200' 3708.63' 4300 3768.67 4400 3827.02 4~00 3884.54 4600 3~41.4& 4700 4800--'" 4054.11 4900 4109.93 5000 4165.82 35111.20 48 38 3576.14 50 21 3638.63 3698.67 53 53 N 49. 0 E 1.62 3757.02 54 42 N 49.60 E 0.95 3814,54 55 3 3984.11 5~ 1 N 49.19 E 0.41 ss ss . DATE OF SURVEY APRIL 07, BOSS GYROSCOPIC SURVEY NUMBER AK-BO-60022 NG ELEV,~= AMEC TOTAL 51-00 ..... 4221.93 ~-9-'3--- ' 5200 4278.03 4208.03 5300 4333.39 4263.39 5'z~O0 ........ 4'389'60 ..... 4319,60 ---- 5500 4447.91 4377.~1 5600 4506.92 4436.~2 57~ 45'65.58 44~5.58 ' 5800 4623.96 4553.96 5900 4682.83 4612.83 55 49 55 54 56 51 54 43 53 55 53 44 54 25 54 8 53 44. COORDINATES 'H EAST/WEST 624.24 N .... 667.67 N 711.21 N 79~'89 N "~.~:'843' 90 N ~32.85 N .978.67 N 28 N t. 123.61 N 46 N 1227.02 N 1279.97 N '.:. i:'.:!: ,?i::i ::.:1333 · 05 N N 1495.13 N 1549.73 N 1604.46 N N 47.80 E 50 1714.43 N 1770.58 N 1826.29 N 1880.70 N 1934.87 N 1986 70.00 FI. 1989.69 N 2044.70 N 2098.95 N 590.50 E 630.75 E E 714.18 E 758.60 E 806.65 E 857.85 E 910.65 E 9~'5-~-'~-~--'E' 1021.13 E 1078.99 E 1138.21E 1198.46 E 1260.03 E i~'27"E 1384.51E 1446.74 E 150~.2'8 E 1571.75 E 1634.05 E 16~6.1~ E 1757.80 E 181~.30 E i'°'~A'40 E 1940.73 E 2000.58 E 2bao, E 211~.90 E 217~.83 E _ VERTI SECT 887.00 946.12 1067.60- 1130.09 1195.44 1263.35 1~._3 23 1405 16.'....i;::~ 1633.20 1713.12 1794.27 1876.~' 1958.1~ 2040. 2123,33 2206.26 2289.15 2371.90 2454.67 2537.94 26~0.62 2701.85 .. 7~--. 58 '2863.56 2944.75 :3025.58 ARCO ALASKA, INC. DS 16-24(SEC24 TION R PRUDHOE BAY ALASKA ANCHORAGE ALASKA COMPUTATION DATE VERTICAL SECTION ONG CLOSURE TRUE MEASURED VERTICAL DEPTH DEPTH COURSE INCLINATION DEG MIN COURSE DII DOG-LEG DATE OF SURVEY APRIL 07, BOSS GYROSCOPIC SURVEY NUMBER AK-BO-60022 BUSHING ELEV. )R-SAMEC TOTAL RECTANGULAR COORDINATES .NoRTH/sOUTH EAST/WEST VERTICAL SECTIOn' 6000 4741 . 68 4&71 . 68 61 O0 4800.62 4730.62 6200 4860.38 4790.38 6400 4980..44 49.! O, 44 &500 5040.95 4970.95 6600 5101.94 6700 5162.73 6800 5221.49 7000 5331..8~ 7100 5385.16 7200 5438.77 7300 5492.76 7400 5546.93 7500 5600.61 7600 5653.10 7700 7800 5755.85 7900 5806.11 8000 5855.10 8100 5903,06 8200 5950,86 8300 5999.70 84(?~- 6050.59 8500 6103.32 8800 6157.00 8-7~ &211.63 8800 6266.63 8900 6320.65 5031.94 5092.73 5151.49 5261.86 5315.16 5368.77 5422.76 5476.93 5530.61 5583,10 5634'75 5685.85 573&.11 5785.10 5833,06 5E~0,86 5929.70 5980.59 6033.32 6087.00 6141.63 6196.63 54 8 53 37 52 58 52 25 52 25 52 41 55 19 57 43 57 51 57 18 57 19 57 4 58 58 40 59 25 60 13 61 61 34 61 18 60 12 58 ' 57 43 57 20 56 50 N 48.10 E '0.41 2152.94 N N 48.80 E 0.77 2206.52 N N 49.80 E 1.04 2258.80 N 110,08 N 2361.03 N N 24O9.99 N N 54.10 E 0.40 2456.74 N N 54.60 E 0.49 2503.01N N 52.50 E 3.13 2551.10 N N · .:~i~56,o~ N 2712.00 N 46.80 E 0.94 2769.30 N 47.39 E 0.51 2826.60 N 47.80 E 0.43 2883.28 N N"-~,~iii~..:~:i:i'~!i~!:~!~i~i.~i".: 2~40.17 N 72 ,:::'. N .............~ ~~ ~~'~"~ ............... ~'~"~'~ ~"i" "~'"~:~ ~ ~ '. · :'~'"~:~i;~-":~ ..... ~' ~'~ ....... ~$5, 35 N ,.:..... .......... ..... ,.... 47';'"' ~- -"'"'co E'""' ........ 0;'31 3113.04 N 47. e0 E o.e~ 3171.10 N 47. e E .02 3 30.00 N __ 2240.01E 2300.47 E 2361 .. 2422.57 E 2484.27 E 2547.03 E 2611.02 E 2675.54 E 2740.60 E 2805.62 E 2870.16 E 2933.62 E 2995.61 3057.27 311~.34 318~-~4 3244.34 3307.68 3371.41' 6250, 65 57 45 N: ;~:e~.: :~ii- 1' 3402.82 N "' ' .... '"'~:::~ ~" 0 N 49.80 E;,_::~ ;.~::?-::..}T~?~,6 3458.32 N 35~7.33 N'50, 10 'E~;¢3 3620. ~5 N N 4~' 50 ~~~6~ 3~74.85 N 3435.45 3499.72 3564~72 3631.05 3697.70 3763.49 3828.38 E 3893.06 E 3~57,'41E 4021.19 E 4084.50 E 3106.41-- 3187.18 3267.29 ~ ......... ~--? ._.~47.1~ ..' .... 3427.01 3506.32 3585.02 3663.7~ 3744.1~ 0~. ~ ~ ":'::'~?~:;; '-'9 ' . ~. ! O, 55:.:.:.~ 4079.54 ' ~- 4163.71 4247.76 4417.24:: 4502. 4588, 8~ 4675.26 4762.43 4850, ! 7.. 4937.95... 5025.11 .... 5'111.09 5195.95 5280.21 -5363.85 ... ~?..: 5447.28 · ." 5531 . 38 SPERRY-SUN ARCO ALASKA. INC. DS 16-24<SEC24 TION R PRL~HOE BAY ALASKA ANCHORAGE ALASKA COMPUTATION DATE TRUE CLOSURE COURSE COURSE DOG-LEG DEPTH 9000 ......... 6~-37~218---- 9100 6427.80 9200 6481.60 940.0 9500 9600 6701.62 9700 6757.86 9800 6814.28 10000 10100 10200 10300 10400 10500 &~)4-, 18 57 ~0--- N 47.60 E 6357.80 57 38 N 47.39 E O. 21 6411.60 57 16 N 46.89 E 0.56 6631.62 56 5 N 46.39 E 0.44 6687.86 55 28 N 46.30 E 0.63 6744.28 55 49 N 45.80 E O. 55 DATE OF SURVEY APRIL 07. BOSS GYROSCOPIC SURVEY NUMBER AK-BO-60022 OPERATOR-SAMEC BUSHING ELEVJ = TOTAL COORDINATES ITH EAST/WEST 3786.96 N 3843.99 N 3901.31N N 70 N N 7033, 39 .... 69/::;3.3.9 ......... 57' 43 · 43 4478.54 N 7086.30 7016.30 58 22 N 44.89 E 0.78 4538.38 N 7138.51 7068.51 58 40 N 44.39 E O. 52 4599.06 N 4130.36 N 4187.43 N 4244.73 N N ~!1:9.20 N 58 N 58 7 N 43.&0 E 0.26 4904.60 N 58 I0 N 44.50 E 0.77 4965.64 N 55 N ~5:';:::0, ~'0:~::~ :': 5025.90 N 43 ~5~ eO)i~i' 01~ 7I 5085.34 N 18 N "'::'45. 50' ' '?":~C~'~:~:'~:':~~~: 49 5144.30 N 57 30 N 4&. 0 E "~;:~?'0.47 5203.10 N 57 11 N 45. 0 ~~.38 5321.24 N 57 I~ N 45.10 :~~:,16 5380.67 N 56 53 N: 45.30 :~~47 543~.84 N 57 57 57 11300 7612' 82 114-OD} 7666, 69 10600 10700 I080~F .... 7347.41 .... 7277.41 10900 7400.19 7330.19 11000 7452.96 7382.96 111 O0 7505, 88 7435, 88 11200 7559.12 7489.12 7542.82 7596.69 11500 7720.50 7650.50 11600 7774.56 7704.56 --1T700 7828.64 7758.64 11800 7882.94 7812.94 11900 7937.69 7867.69 4147.12 E 4209.36 E 4271.16 E 4332.44 E 4393.39 E 4454.02 E 4514.32 E 4574.15 E 4633.59 E 4693.30 E 4753.23 E 4812.98 E ~/~...~ E 4933.11E 4993.~= c._, E 5052.84 E' 5112.59 E 5172.11E 5231.23 E 5289.97 E VERTI SECT] 5615. 5700.25 5784.55 .... ':', 6035. 6118.58 ~01.26 6283.81 6450' I::1~:~ 6618.30 6703.11 6788.32 7044.~! 7129.01 7213.80 · -,-..-~. 02 E 54o8~'7~- E 5469.03 E 5529.35 E '~.~8'.~ 70 E 565C). 02 E 5709.72 E 5769.25 E 5828.83 E 5888.16 E 7298.61 7552.32 7636.55 7720.80 7804.89 7888.95 8056.49 ARCO ALASKA, INC. SPERRY-SUN WELL ANCHORAGE ALASKA DS 16-24 ( SEC24 T 10N R 1~)~_~ C ALc~~-:':~::' VERTICAL SECTION ~-: ~~. ALONG CLOSURE TRUE -!SUB-SEA COURSE ..... M£-A'~O'RE'D .....V~CAL DEPTH DEPTH COMPUTATION DATE ............. ~i'2000 ........... 7-~. 83 121 O0 8048.38 12200 8104.71 COURSE DOG-LEG PAuE ~ DATE OF SURVEY APRIL 07. 1986 BOSS GYROSCOPIC SURVEY AK-BO-60022 KELLY BUSHING ELEV. = OPERATOR-SAMEC: 70.00 FT. 792-2]-8~ 56 21 N 45. ~KO E O. 44 7978.38 56 8 N 45.19 E O. 23 8034.71 55 16 N 45.80 E 1.01 TOTAL R E-C--~'-N-I~OEA-~ ....... C!O-ORD'i'N~'T~ ........ 9'ER T'I-~~ · NORTH/SOUTH EAST/WEST SECTIO' 5557.6~ N 5947',30 E -o~.13~..-,: .......... 87 5616.23 N 6006.36 E 5674.13 N 6065.28 E 8305.56 12400 8220.17 8150" 17 54 IS N 45"6~:':~:'. 12500 8278.57 8208.57 54 18 N 46.60 E 'l~O-O- ............ -83~~~~2 .... ~ ...... ~3~ ...... N 47.3e E 12700 8396.95 8326.95 12800 8457.09 8387.09 I'2-~-0 ..... 8518.18 - 8448.18 13000 8579.95 8509.95 13100 8642.48 8572.48 X-'3~O ...... 8706.17' 863~.17 13300 8770.81 8700.81 13400 8836.36 8766.36 J~5'00 ......8903.10 8833.10 13600 8971.36 8901.36 137oo 9os9,98 8969.98 13800--' 9t07.57 9037.57 13900 9174.62 9104.62 13~50 ~208.14 9138.14 O. 55 ' 57'31 .-~2~'--N .......... ~-1-'23', 73 O, 95 53 1.9 N 47.50 E 0.28 52 43 N 47.80 E 0.66 - --5r1~-58---' N' 48' 1.~": E' ':'"'.'i'"' 51 43 N 4.?. 8~::i;: E ' '~':: · :': ::" i.i: '.;, ::ii:O;~3i~'''' 6113.21 50 51 N 48.3~ ~ ..... :b;'~4 &165.27 N ~' "i ...... ~N 48. I0 'E ' m0.87 "' 6216.61 4~ 26 N 50. 0 E 1,56 6266.61 N 48 38 N 50,10 E 0,7~ 6315.10 N 47 36 N'' 5;!":'~9-~.'~.~:~?:?::~;;::: ::.:~':;~;~:~:;~,~" ,'" 6362, 27 N 46 I 8 N '~'I ' ;,~:~..:'~'~':":j:j~;;~:~:~;:~.: ":~' ':. 6407. 80 N 47 ss ' N 50,' 0 E":' '"' '6 00; 06 N 47 53 N 50.&O E '0.~ &547.1& N 47 53 N 50.~0 E 0.00 ~570,70 N ;.. . . . ... , HORIZONTAL DISPLACEMENT = 9659.98 FEET T~IE---C-AEO~ATION PROCEDURES ARE BAS~ THE U~E OF T~ 5788.14 N 6182.21 5844.37 N 6240.74 58t-;'-~-Z~i--1 -N ........... /S2~..~?. 87 5953.84 N 6359.06 ~007.66 N 6418.10 6060. ~-~ ...... -~47~;', ~3 N 6535.42 6593.54 665'i]06 6708.68 6766.57 6881.32 6.938.01 6.995.04 7052.37 7081.04 E E E E E E E E E E E E E E E E E 8 MIN. EAST AT MD = 13950 ldENSIONAL RADIUS OF' CURVATURE · 8468.8.1,. 8630.82 8711.16 8791.05 ~o26286 ~10~qT'.-~'4-- 9180.18 9255.6~ 9329.$, .9402. ~475.3 9548.89 9622.95 9659.98 METHOD. SPERRY-SUN ARCO ALASKA, INC. DS 16-24(SEC24 T10N RISE PRLIDHOE BAY - ALASKA ANCHORAGE ALASKA MEASURED VERT I DEPTH DEPTH COMPUTATION DATE PAGE DATE OF SURVEY APRIL 07, 1986 NORTH/~ KELLY BUSHING ELEV~ dOB NUMBER AK-BO-60022 OPERATOR-SAMEC VERTICAL CORRECTION 0 0.00 -70.00 1000 995.83 925.83 0.00 0.00 0.00 54.58 N 31.83 E 4.17 3000 4000 .SDD[F 82 6000 68 7000 86 8000-- 10 9000 18 10000 33 11'000 "7382.96 12000 7922.83 13000 8509.95 2825' 4741.68 4671. 5331.86 5261. ~8~5,~.o'~,-:~78~. 2152.94 N 2656.05 N 4360.27 N 2240.01E 2870.16 E 5557.69 N 5947.30 E 6113.21N 6535.42 E O2 834.18 1258.32 1668.14 ,*67 .04 4007.17 4420.05 4.17 :4-5-~ ........................ 124.27 244.77 415.38 424.14 409.82 476.76 480.91 448.86 472.36 460.14 412.88 321.81 OF CURVATURE METHOD. ARCO ALASKA, INC. DS 16-24(SEC24 TION PRUDHOE BAY ALASKA MEASURED DEPTH INTE~ TRUE VERTICAL, DEPTH ANCHORAGE ALASKA C.'OMPUTAT ION DATE APRIL !0 DATE OF SURVEY APRIL 07 NUMBER AK-BO-60022 .Y BUSHING ELEV.~= 70.00 FT,~ IEC VALUES FOR EVEN 100 FEET OF SUB-SEA DEPTH ·RECTANGULAR NORTH/SOUTH VERTICAL CORRECTION 0 70 270 370 0.00 70.00 170J:00 270'00 370.00 -70.00 0.00 0.00 0.00 0.00 0.50 N 0.22 W 0.01 200'.00 300.00 470 570 670 770 ......... 871 973 'i~7~_~ 1179 470. O0 570. O0 670. O0 870. O0 970. O0 1070 .' O0 1170. O0 400.00 500.00 600.00 700,"00 800.00 900.00 ~00.00 I100.00 5.39 N 7.63 N 9.93 N 13.15 N 18.17 N 36.27 N 50.31 N 67.78 N 87.87 N '0-08 '0.11 3.71 W 0.14 2.71 W 0.20 0.84 E 0.40 1284 1 ~ ! 1495 1 1600 I 270. OCt 370'00 ' 470. O0 7o. Go 1200. O0 i'300' O0 1400. O0 · soo oo 112.06 N 140.-06 N 166.27 N 188.1 1704 1809 1670.00 1770.00 1600.00 1700.00 209.26 N 231.44 N 1'. 87 3' 58 42.75 E 6.13 58.98.E 9.43 77.84 E 14.04 0.01 O. 04 ................ ": O. 03 O. 03 - 162.09 E 183.&1E 3-4.41 O. 03 O. 06 0.20 0.48 O. 99 1.72 2,-55 3.29 4.61 6.18 5.68 4.27 4.23 39.08 4.67 SPERRY-SUN WELl ARCO ALASKA, INC. DS 16-24(SEC24 TION ANCHORAGE ALASKA COMPUTATION DATE ALASKA PAGE DATE OF SURVEY APRIL 07~ 1986 NUMBER AK-BO-60022 KELLY BUSHING ELEV. TOR-SAMEC MEASURED DEPTH DE TED VALUES FOR EVEN 100 FEET OF SUB-SEA DEPTH VERTICAL CORRECTION 1914 1870. O0 2021 1970. O0 22~6 234.7 2575 2470.00 2692 2570.00 2931 3054 o1 " 297o,'oo 3303 3070.00 3430 3170.00 1800.00 256.04 N 206.59 E 44.60 1900.00 281.85 N 232.50 E 51.09 2400.00 449.07 N 399.25 E 105.05 2500.00 495.74 N 438.95 E 122.34 5.53 6.49 /.18 8.53 10.44 12.66 15.16 17.29 19.03 20.11 22.80 2900. O0 701 . 64 N 621 . 86 E ,8.15 3000. O0 757.25 N 673.46 E 233.68 3100. O0 813.03 N 727.09 E 260.13 3~83 3570. O0 .... 3500. O0 1065.97 N 1011 . 50 E ' 413.04 4137 3670. O0 3600. O0 1142.15 N 1101.02 E 467.3~ 23.88 25.52 26.45 30.03 ~.40 40.23 47.26 54.35 ARCO ALASKA, INC. DS 16-24(SEC24 TION PRUDHOE BAY ALASKA MEASURED DEPTH SPERRY-SU~ ANCHORAGE ALASKA SE) COMPUTATI ON DATE IN A~ED VALUES FOR EVEN 100 FEET Of SUB-SEA DEPTH 'TRUE :;~~A VERTICAL ~~AL DEPTH '::~"~~H NORTH/SOUTH PAGE .... " DATE OF SURVEY APRIL 07, 1986 NUMBER AK-BO-60. ~2 KELLY BUSHING ELEV, ~ = OPERATOR-SAMEC 70.00 FT. ';' VERTICAL CORRECTION 4302 3770.00 4474 3870.00 3700.00 1228.21 N 1199.83 E 532.25 3800.00 1319.53 N 1306.45 E 604.61 4828 4070.00 4000.00 5007 4170.00 4100.00 5185 4270.00 5366 4370.00 5537 4470.00 5707 ...... 4570.00 5878 4670.00 6O48 4770.00 6-2-I5 ............ zF870-.-O0 6382 4970.00 6547 5070.00 i~/I2-- 5170.00 6886 5270.00 7071 5370-00 725'7 .... 5470.00 7442 5570.00 4200.00 4300.00 4400.00 4500,00 4600.00 4700.00 '4'8-00.--00 4900.00 5000.00 5100.00 5200.00 5300.00 5'400.00 5500.00 151.0' 53 N 42 1608.51 N ~5 I 7'0~-~ N 911'5. ~>7 1807.71 N 1859.84 E 996.06 1900.99 N 19~53.27 E 10&7.52 2087.26 N 1/208.31 2179.03 N 1278.30 ~.~-267.04 N ' 1345'.I I98 2352-. 19 N 1412.&2 2432.37 N 1477.63 2508" 62 N 2~8~::".'3'~. E' ==?====:==?=:=== I ~42.06 2595.20 N '27~::~:~::i:.:£. :.::/::::i::.:.:' '1~'1'~. 34 2802.5~ N 303i';'15""E' "'~'""" i787,84 2~07.23 N 314~. 74 E 1872.4~ 2370:99 EI 2473.54 E 2577.43 E 64.86 72.36 77.96 79.03 ~ . 78.21 80.39 71.46 70~-'()7 ...... 70.71 69.99 6 7,"6-8 66.64 65. O1 · ~4~,~ 43 74.27 85.16 8~-~'4- .... 84.62 ARCO ALASKA, INC. DS 16-24(SEC24 T10N R ALASKA MEASURED DEPTH SPERRY-SUN WELL ANCHORAGE ALASKA COMPUTATION DATE PAGE DATE OF SURVEY APRIL 07, KELLY BUSHING ELEV.' = dOB NUMBER AK-BO-60022 OPERATOR-SAMEC 1986 ,,, INTeRpreTED VALUES FOR EVEN 1OO FEET OF SUB-SEA DEPTH TRUE ::'ii!~iiii~~E~ TOTAL' V£RTICAL'i~i~! ~iCAL R£CTANGULAR.,COOR~Z~A~ES.::: DEPTH ':"~'?'?~:':~:TH NORTH/SOUTH E~,ST/WEST DIFFERENCE VERTICAL CORRECTION 7632 5670. O0 5600. O0 3016.49 N 7827 5770. O0 5700. O0 3129.12 N 803o- .... ~7o.~;.~: 15~o0 · DO · :.3369.12 :N : 8239 5~70~ O0:5~00. O0 ~ 8437 607:0.00 6000; O0 :' 3478' : ~----~'1'70, oo ...... 6 ~ o0';,"0o 358o. 28 N 8806 8992 ~361 9543 9899 10082 10268" 10460 10652 10842 11032 6270.00 6200.00 6370.00 6300.00 6470i00! : 6400"00 6570,~.:6~00.00 6670.00 6600.'00 6770,00 ..... 6700.00 6870.00 6800.00 6970.00 6900.00 70701'00 7000.00 7170.00 7100.00: 7270'00 7200.00 - 7370.00' 7300.00 7470.00 7400.00 3678.20 N 3782.53 N 3~93.84 N 4097.85 N 3264.83 E 1962.52 3389.14 E 2057.82 84 27 3908,66 E 2454.08 4025,12 E 2536.16 4142.27 E 2622.21 ¸23 2~51.43 4302.14 N 4693.14 E 302~.73 4408.53 N 4802.24 E 3112.01 45 ! 9' 631N ~i i!~!:i~8:;.: 90 486~.46 N 5256.46 E 3472.83 4~85.22 N 5368.26 E 3562.30 95.30 103.02 109.04 97.40 86. 82. 86. 86. 83. 81. 78. 78. 82. 86. 91. 92. 90. 89. 81 08 05 34 27 41 20 31 28 89 70 11 12 47 SPERRY-SUN ARCO ALASKA, INC. DS 18-24(SEC24 TION RI PRUDHOE BAY ALASKA MEASURED DEPTH ANCHORAGE ALASKA DATE OF SURVEY APRIL 07, 1.~88 ! ii 5~) COMPUTATION DATE ' ::~!.~iiiii .... ~.;~:~i~ APR · ~i!..'~:~'?'~ .~,-,~ ~.. IN~ TED VALUES FOR EVEN 100 FEET OF SUB-SEA DEPTH MD~TVD RECTANGULAR NORTH/SOUTH EA~ TRUE V RT C, L" i AL DEPTH dOB NUMBER AK-BO-80022 KELLY BUSHING ELEV. = OPERATOR-SAMEC 7(.'). O0 FT, VERTICAL CORRECTION 11220 7570.00 7500.00 11406 7670.00 7600.00 I-1-52g..~I .... ~7770.00 '7700;'0~ 11776 7870'00 7800..00 11~58 7~70.00 7~00.00 1213~ 8070.00 8000.00 12313 8170.00 8100.00 12485 8270.00 8200.00 50~7.34 N 5481.38 E 3650.37 5206.71 N 55~3.45 E 3736.17 5638, '~4 N 573.g. 13 N 5836.17 N 8131.98 E 6232.07 E 30 .79 .82 4143.73 4215.31 88.07 85.80 84.71 82.48 80. 74. 71. 03 .~2 57 12~54 8370,100 12821 8470.00 12~83 8570.00 13~43 8670.00 13298 8770.00 13450 8870.00 1-.35'~8 ..... --8¢707. O0 13744 ~)070. O0 13893 9170. O0 i~-3-¢50 .g208, 14 8300.00 840'0.00 8500.00 8600.00 8700.00 8800.00 89D~.00 9000.00 9100.00 9138.14 ~4 8187.70 N 6618.79 E 4473.56 8288. O0 N 8707. 'PS E 4528.76 8339.48 N 6795.84 E 4580.81 640-6.92 N' ~8~'..2,;~:f,:~:.'E ' 4~28.03 67o, 7o N ' '70e't"; ' "47 i, 69.55 66.45 62.63 5~. 62 55.20 52.05 '~7"~~ 22 48.08 49.02 --18.75 THE CALCULATION PROCEDURES USE A LINEAR INTERPOLATION BETWEEN ]"HE NEAREST 20 FOOT MD (FROM RADIUS OF CURVATL~E)'~PO!~$:~ ARCO ALASKA, INC. DS 16-24(SEC24 TION ALASKA ANCHORAGE ALASKA COMPUTATION DATE TED VALUES FOR SPECIAL SURVEY POINTS MEASURED VERTICAL DEPTH DEPTH 13542 8931.42 8861.42 6381.66 N 6848.39 E 1~._,~4 8967.21 8897.21 6405.11N 6877.93 E 1381 o v I! 4,28 13850 9141.09 9071.09 13920 9188.03 9118.03 13950 6523.61N 6556.57 N 7023.70 E 7063.84 E DATE OF SURVEY APRIL 07, 1986 _ AK-BO-60022 ,.:,,,,::~;-~.~:,:~r.',: .. BUSHING ELEVLJ ? 70.00 F~ TOP SADLEROCHIT TOP ZONE 2 TOP ZONE lB BASE SADLEROCHIT DR I LLER U$1NO ARCO ALASKA. INC. DS 16-24(SEC24 TION RISE) STRATIGRAPHIC SUI, IMARY ~MARKER ....... tSURED DEPTH BKB ....... TVD ....... BKB SUB-SEA TOP SAD TOP ZONE 2 HOT OIL/WATER CONTACT OIL/WATER CONTACT 13778 9092.82 9022.82 13810 9114.28 9044.28 13826 9125.00 9055.00 BASE SADL£ROCHI~' PLUGBACK TD TOTAL DEPTH DR I L£~i~-" i 3950 THICKNESS VERTICAL ~Y DATA WI ~EF. TO WELLHEAI (ORIGIN' :FNL 1260FWL),~ SEC 1ON R15E 6381. 66N 6877.~, 6405.11N 6504.77N 7000.77E 6512.31N 7009.94E 6523.61N 7023. 6556.57N 7063, 6544.80N 7049. 6570, 70N "'7081.04E · , .. :] IImII 1) F--R-OPi LINEAR EXTRAPOLATION BELOW DEEPEST STATION. 2) COMPUTER PROGRAM - SPERRY SUN THREE DIMENSIONAL RADIUS OF CURVATURE. DATA CALCULATION AND INTERPOLATION BY RADIUS OF CURVATURE COMPUTATION-D-ATE APRIL 10, 1986 DA~:Y APRIL 07, 1986 dOB,.,,,'r~.. AK-BO-60022 KE~.~....~ING ELEV. = 70.00 FT. TBUE ~000.00 -4500.00 -3000,00 -1500.00 5CRLE ~- [ INCh id ~SCC. CO / mRUOHBE BAT OS i6-24(SEC24 TiON B15EJ qK-BB-80022 qeco q~ qsKq. INC, qPB!L 07. '986 l_1500, O0 150~]. OO 30Ob. O0 450b. O0 600[~. O0 HOB I ZONTGL PROJECT 0.00 2000. O0 SCALE ;- ! INCH TO 2000.00 / 2000. 0 PBUOHS6 BAT RRCO qLFISKR, INC. 05 16-2415EC24 TiON R15E) APRIL 07. 1986 AK-BO-60022 4000. O0 6000. O0 80~ 10000. 00~ 9208. 14 2o~o. oo4o6o. oo I 6000. O0 V~RT I CFtL PROJI~CT I ON I 8000. O0 13950 10~3OO. O0 'l'e~.)co Ollfilld S®~ .l of ,t~llBki inc, 81 '1~ Niellon WIy Anchorlgl, AK ~9502 (~07) 5f~2-264G February 26, 1986 JOB #472 TAK ARCO ALASKA WELL: DS 16-24 PRUDHOE BAY ROWAN 35 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 ARCO. Teleco 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/el Enclosures A I~111~,? COMPANY TELECO 0 i 1 ¢ i ~ 1 d Serv i cms VERT I C^L PROJECT I ON 0 0 2OOO 4000 ~ 6000 8000 10000 12000 14000 16000 18000 2000 4000 6000 8000 ! O00D 12000 VERTICAL SECTION (~t) I- Z 12B( 11 9600 8000 6400 4800 ~?00 1600 TELECO 0 i 1 ? i e 1 d Serv ices PLAN VIEW EAST (~t) n ~ znn _~nn zmoo s~oo 80oo 9600 TELECO OILFIELD SERVICES SURVEY CALCULATIONS Date 02/2~/86 Page 1 Company: ARCO ALASKA Well: DS 16-24 Location: PRUDHOE BAY Rig: ROWAN 35 TELECO Job # Grid Correction: Magnetic Declination: Total Correction: Proposed Direction: TAK ~72 / 0.00 degrees 31.25 degrees 31.25 degrees 47.~0 degrees RADIUS OF CURVATURE CALCULATION MEAS DIRECTION TRUE VERTICAL COORDINATES CLOSURE DOG LEG DEPTH INCL AZIMU71t BEARING VERT DEPTH SECTION N/S E/W DIST ANGLE SEVERITY feet deg deg deg/min feet feet feet feet feet deg deB/100' TIE-IN ~33.00 0.0 56.0 N 56 O0 E ~33.00 0.00 O.OON 576.00 697.00 817.00 TELECO MWD 575.97 696.7~ 815.83 961.21 1.8 55.9 N 55 54 E 5.1 ~7.5 N ~7 30 E 8.8 ~6.~ N ~6 2a E 965.00 12.7 45.0 N ~5 O0 E 1116.00 15.6 39.4 N 39 24 E 1107.61 2.22 1.25N 9.47 5.76N 23.99 15.67N 51.57 3~.95N 88.32 62.28N O.OOE 0.00 N 90.O00E 0.000 1.86E 2.2u N 55.900E 1.259 7.56E 9.51 N 52.691E 2.752 18.17E 2~.00 N ~9.222E 3.085 37.93E 51.57 N n7.339E 2.6~1 62.71E 88.38 N us.1g6E 2.122 TELECO Job tt TAK a72 / 02/2a/86 Page 2 MEAS DIRECTION TRUE VERTICAL COORDINATES CLOSURE DOG LEI; DEPTH INCL AZIMUTH BEARING VERT DEPTH SECTION N/S E/W DIST ANGLE SEVERIT7 feet deg deg deg/mln feet feet feet feet feet deg deg/100' 1270.00 19.2 39.0 N 39 O0 E 125a.Sn 133.89 97.96N 91.81E 13:.26 N .3.1"3E 2.339 1528.00 15.1 ~3.0 N ~3 O0 E 1501.02 209.~6 155.35N 1~1.70E 210.27 N ~2.368E 1.653 1766.00 18.2 ~2.2 N ~2 12 E 1729.01 277.~1 205.5~N 187.85E 278.a6 N a2.~25E 1.306 1950.00 20.3 a5.7 N ~5 ~2 E 1902.71 337.95 2ag.21N 229.95E 339.09 N a2.bg8E 1.302 2137.00 22.3 a7.8 N ~7 ~8 E 2076.93 ~05.86 295.75N 279.~2E ~06.87 N ~3.37UE 1.1a5 2325.00 26.a a2.9 N ~2 5~ E 22~8.17 ~83.29 350.19N 33~.53E ~8a.30 N ~3.690E 2.~30 251~.00 29.9 ~2.2 N a2 12 E 2~1~.79 572.12 ~15.87N 39~.82E 573.~a N u3.513E 1.860 2762.00 33.5 ~0.1 N ~0 06 E 2625.75 701.6a 513.98N aSO.55E 703.6~ N ~3.075E 1.518 2880.00 3~.0 rtl.0 N ~1 O0 E 2723.87 766.72 563.79N 523.17E 769.1a N u2.860E 0.599 2973.00 35.9 uO.6 N ~0 36 E 2800.09 819.6~ 60~.12N 557.98E 822.38 N ~2.727E 2.058 3188.00 37.6 al.8 N ~1 a8 E 2972.36 9~7.52 700.90N 6~2.71E 950.97 N ~2.520E 0.858 3~17.00 37.6 u~.3 N aa 18 E 3153.79 1086.83 803.00N 738.08E 1090.68 N u2.588E 0.666 35~1.00 ~0.6 a6.1 N a6 06 E 3250.01 116~.97 858.09N 793.57E 1168.79 N a2.763E 2.587 3786.00 a5.2 a7.8 N a7 a8 E ~29.a3 1331.69 971.91N 915.~0E 1335.13 N a3.285E 1.936 a037.00 ~9.7 ~8.5 N ~8 30 E 3599.12 1516.53 1095.2~N 1053.10E 1519.~0 N ~3.876F. 1.805 ~22~.00 53.2 ~8.2 N a8 12 E 3715.6a 1662.73 1192.~2N 1162.36£ 1665.22 N a~.26gE 1.876 ~393.00 55.2 ~U.5 N ~§ 30 E 381~.50 1799.78 1283.51N 126~.78E 1801.96 N ~.579E 1.192 ~ECO Job # TAK ~72 / OP_/2a/8§ Page 3 MEAS DIRECTION TRUE VERTICAL COORDINATES CLOSURE DOG LEU DEPTH . INCL AZIMUTH BEARING VERT DEPTH SECTION N/S E/W DIST ANGLE SEVE~{ITY feet deg deg deg/min feet feet feet ' feet feet deg deg/100' a837.00 56.6 a7.8 N a7 u8 E aO63.a1 2167.39 1528.8pN 1538.6aE 216g.02 N aS.18aE 0.3al 51a9.00 56.3 ~8.2 N a8 12 E a235.85 2a27.aO 1702.78N 1731.87E 2a28.75 N aS.a85E 0.1ua 5553.00 5n.2 a7.5 N a7 30 E aa66.11 2759.31 1925.53N 1977.95E 2760.a3 N a5.769E 0.579 5926.00 5~.1 '~u.6 N ua 36 E a68a.56 3061.55 2135.35N 21~5.61E 3062.75 N ~5.797E 0.631 6265.00 53.6 a9.2 N a9 12 E a88a.Sa 3335.20 2322.33N 2395.a2E 3336.30 N aS.888E 1.105 6576.00 52.~ 53.1 N 53 06 E 5071.70 3582.99 ~78.10N 2588.82E 3583.71 N ~6.252E 1.073 6762.00 55.1 52.0 N 52 O0 E 5181.67 3732.36 2569.30N 2707.88E'3732.82 N a6.5OaE 1.528 7070.00 58.6 a7.5 N a7 30 E 5350.07 3989.91 2~.85N 290a.62E 3990.20 N a6.71aE 1.669 7226.00 57.5 ~7.0 N a7 O0 E 5a32.62 ~122.28 282~.70N .3001.82E ~122.56 N ~6.731E 0.756 7a55.00 58.1 a7.5 N a7 30 E 555u.65 a316.05 7911.00 60.6 ~8.0 N ~8 O0 E 5787.10 a708.31 3220.98N ~a3~.aTE ~708.53 N a6.837E 0.556 8157.00 61.a a7.5 N ~7 30 E 5906.36 a923.a6 3365.6~1N 3593.73E a9~3.66 N a6.877E 0.371 8a8a.O0 57.8 a9.6 N ~9 36 E 6071.81 5205.38 3552.30N 3805.09E 5205.53 N ab.968E 1.232 8656.00 56.5 50.0 N 50 O0 E ~165.10 53~.75 36aS.56N 3915.aSE 53a9.85 N a7.0aaE 0.781 91a~.00 57.3 a7.0 N a7 O0 E 6~31.60 5758.~3 3916.alN a221.59E 5758.a8 N a7.1aSE 0.SaO 9518.00 56.2 ~7.0 N a7 O0 E 6636.66 6071.18 ~129.59N aaSO.aUE 6071.2~ N a7.1a2E 0.29a 9858.00 56.1 a6.0 N ~6 O0 E 6826.05 6353.51 ~323.96N ~655.26E 6353.59 N u7.113E 0.2~6 TELECO Job # TAK a72 / 02/2a/86 Page MEAS DIRECTION ' TRUE VERTICAL COORDINATES CLOSURE DOG LBG DEPTH INCL AZIMUTH BEARING VE~T DEPTH SECTION N/S E/W DIST ANGLE SEVERITY feet deg deg deg/min feet feet feet feet feet deg deg/100' 10315.00 58.7 aa.O N va O0 E 7072.25 6738.12 aS96.15N a92?.a6E 6738.29 N a6.992E 0.678 10581.00 58.7 a~.O N va O0 E ?210.aa 6965.00 a?59.56N 5085.a3E 6965.2? N ab.896E 0.021 11096.00 57.9 ~5.0 N ,5 O0 E 7,81.06 7a02.60 5072.08N 5392.5aE 7a03.07 N ,6.75aE 0.22? 11606.00 57.1 ab.O N a6 O0 E ?755.08 7832.~9 '5373.56N 5699.32E 7833.10 N ~6.685E 0.228 ]1980.00 56.5 a~.O N a6 O0 E ?959.8? 81~5.35 5590.85N 592~.5~E 81~6.0~J N a6.660E 0.161 ]22~5.00 5a.9 aS.0 N a5 O0 E 8109.20 836a.1~ ~?,a.28N 6080.68E 836~.89 N a6.630E 0.680 12571.00 53." ~?.0 N a? O0 ~E 8300.12 8628.28 59L;x}'.82N 6270.?aE 8629.10 N a6.610E 0.6?? 12890.00 51.9 a6.0 N ~6 O0 E 8~93.6a 8881.82 610~'.3811 6aS,.68E 8882.6? N ~6.607E 0.532 1319.3.00 a9.8 t,?.O N a? O0 E 868~.9a 9116.75 626~.11N 6625.11E 9117.6.3 N ,6.60~E 0.?39 13~98.00 a6.8 a8.0 lq a8 O0 E 8887.81 93aa.~5 6~17.9~N 6792.99E 93a5..30 N a6.626E 1.01,~ 1~j913.00 ag., ~9.0 N a9 O0 E 916a.9.3 965.3.25 6622.60N ?02~.31E 965a.00 N a6.686E 0.652 Form to be inserted in each "ACtive'' well folder to check for timely compliance with our regulations. , WELL- N~RRE NUMBER Reports and Materials to be received by.. Required Date Received Remarks Completion Report V,~ ~- ~--~ . ~ '~ ,~-~ Well History Samples Core Chips Core Description ,. _ .... . .... -- Registered Su ~1 ' ~. ~.~~..~~ . Directional Survey_3~ ' Dr'{li'"S'~em Test Reports ~~~' Production Test Reports ~/~- ,~,. ,.~~ 6~gzt~zed' ' ARCO Alaska, Inc P.O. Box Anchorage, Alaska 995i O DATE' March 27, REFERENCE' 986 ARCO Open Hole F Jnmls DS 4-28 DS 4-°8~ DS 4-~8~ DS 4-28 DS Df 4~33 4-33 4-33 4-33 4-33 DS i 6-24 DS t 6-24 DS ~ 6-24 DS ~ 6-24 DS J 6-24 ~-2-86 BHCS 2-2-86 CNL o o o~ CNL 2-2-86 DIL 3-~3-86 3-J3-86 3-~3-86 3-J3-86 3-J3-86 2-oo-86 2-22-86 2-22-86 o-22-86 (F'orosify) Run t ~. &~-x Go (Raw) Run t 2'&5' Go Run t 2'&5' Go BHC Acousf i log Run i ~'c~'~' DA CDL Run i ~"l~' DA CDL/CNL Run i ~2' .~_5' DA DIFL Run i ~~' DA Gamma Ray Run t~~,~ DA / BHC Acou~}J log Run J[ ~&~ DA CDL Run ~ ~&~ DA CDL/CNL Run ~ ~&5~ DA DIFL Run DA Gmmma Ray Run ~ ~~ DA Please _~ign and Received By___ HAVE A NICE DAY! Irma Carlin ATO-i429F TRAN$ ~862t2 refurn the atfached copy a~ receip¢ of da±a. DISTRIBUTION Cenfral Fi les Chevron D & M Exfen~ion Exploration Ex xor, Marafhon Mobi l F'hi llips F'B Well Fi le~ R & D ~'oh i 0 State of. Alaska TeXac° ~-'-: STATE OF ALASKA -. d~C--- -' ALASKA ~ ,,L AND GAS CONSERVATION CC..,MISSION IR MONTHLY REPORT OF DRILLING AND WORKOVER OPERATIONSr 1. Drilling well ~ Workover operation [] 2. Name of operator 7. Permit No. ARCO Alaska, Inc. 86-24 3. Address 8. APl Number P. O. Box 100:360, Anchorage, AK 99510 50- 029-215:36 9. Unit or Lease Name 168:3' FNL, 1260' FWL, Sec.24, TION, R15E, UM Prudhoe Bay Unit 4. Location of Well at surface 5. Elevation in feet (indicate KB, DF, etc.) 70' RKB 6. Lease Designation and Serial No. ADL 28:346 ALK 2:3:31 10. Well No. 16-24 11. Field and Pool Prudhoe Bay Fi eld Prudhoe Bay 0il Pool For the Month of February , 19 86 12. Depth at end of month, footage drilled, fishing jobs, directional drilling problems, spud date, remarks Spudded well ~ 0500 hfs, 1/27/86. Drld 17-1/2" hole to 2860'. Ran, cmtd, & tstd 1:3-3/8" csg. Drld 12-1/4" hole to 13,558'. Ran, cmtd, & tstd 9-5/8" csg. Drld 8-1/2" hole to 1:3,950'TD (2/21/86). Ran logs. Ran, cmtd, & tstd 7" csg. PBTD = 1:3,895'. Secured well & RR @ 0900 hfs, 2/27/86. 13. Casing or liner ru.n and quantities of cement, results of pressure tests 20", 91.5#/ft, H-40, weld conductor set ~ 112'. Installed w/1700# Poleset. 1:3-:3/8", 72.0#/68.0#/ft, L-80/K-55, BTC csg w/shoe 2841'. Cmtd w/:3500 sx CS III & 1000 sx CS II. 9-5/8", 47.0#/ft, L-80, BTC csg w/shoe @ 1:3,547'. Cmtd w/500 sx Class G. 7", 29.0#/ft, L-80, BTC csg f/1:3,276' - 1:3,944'. Cmtd w/250 sx Class G. 14. Coring resume and brief description None 15. Logs run and depth where run DIFL/BHCS/GR/SP'I~ depths not available FDC/CNL/GR/Cal 6. DST data, perforating data, showsof H2S, miscellaneousdata None RECEIVED 1 4 1986 Naska Oil & Gas Cons. Commission Anchorage 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. t}k )~~../ Associate Engineer ,~-JZ-~:~ SIGNED TITLE DATE NOTE -Report his form is required for each calendar month, regardless of the status of operations, and must be filed in duplicate with the Alaska Oil and Gas Conservation Commission by the 15th of the succeeding month, unless otherwise directed. Form 10-404 DAM/MR36 Submit in duplicate ARCO Alaska, Inc..~ .... Post Office ', .01~ J Anchorage, Alaska 99510-0360 Telephone 907 276 1215 February 12, 1986 Mr. C. V. Chatterton Commissioner State of Alaska Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, AK 99501 SUBJECT- State Reports Dear Mr. Chatterton' Enclosed are the January Monthly Reports for the following wells' 1A-8 3F-16 3J-13 3N-2A 4-27 L2-25 2A-11 3I-1 3J-14 4-7 4-28 L2-29 2A-12 3I-2 3J-15 4-17 16-21 L3-5 2H-5 3I-3 3N-1 4-18 16-24 L3-23 2X-8 (2) 3I-4 3N-2 4-24 L1-9 Ugnu State #1 If you have any questions, please call me at 263-4944. Sincerely, J. Gruber Associate Engineer JG/tw GRU13/L111 Enclosures ARCO Alaska, Inc. is a Subsidiary of AtlanticRichfieldCompany RECEIVED FEB 1 3 1986 Alaska Oil & bus Cons. Gm.mission Anchorage STATE OF ALASKA - ALASKA ._.~L AND GAS CONSERVATION CL..,,MISSION MONTHLY REPORT OF DRILLING AND WORKOVER OPERATIONS 1. Drilling wellX[~ Workover operation [] 2. Name of operator 7. Permit No. ARCO Alaska, Inc. 86-24 3. Address 8. APl Number P. 0. Box 100360, Anchorage, AK 99510 50- 029-21536 9. Unit or Lease Name 1683' FNL, 1260' FWL, Sec.24, TION, R15E, UN Prudhoe Bay Unit 4. Location of Well at surface 5. Elevation in feet (indicate KB, DF, etc.) 70 ' RKB 6. Lease Designation and Serial No. ADL 28346 ALK 2331 10. Well No. 16-24 11. Field and Pool Prudhoe Bay Field Prudhoe Bay Oil Pool For the Month of. January ,19. 86 12. Depth at end of month, footage drilled, fishing jobs, directional drilling problems, spud date, remarks Spudded well ~ 0500 hrs, 1/27/86. Drld 17-1/2" hole to 2860'. Ran, cmtd, & tstd 13-3/8" csg as of 1/31/86. 13. Casing or liner ru.n and quantities of cement, results of pressure tests 20", 91.5#/ft, H-40, weld conductor set ~ 112'. Installed w/1700# Poleset. 13-3/8", 72.0#/68.0#/ft, L-80/K-55, BTC csg w/shoe 2841'. Cmtd w/3500 sx CS III & 1000 sx CS II. 14. Coring resume and brief description None 15. Logs run and depth where run None 6. DST data, perforating data, shows of H2S, miscellaneous data None 17. I hereby certifv that the foregoing is true and correct to the best of my knowledge. SIGNED TITLE DATE NOTE--Report c~ this form is required for each calendar month, regardless of the status of operations, and must be filed in duplicate with the Alaska Oil and Gas Conservation Commission by the 15th of the succeeding month, unless otherwise directed. Form 10-404 DAM/MR05 Submit in duplicate .._ MEMORAi UM TO: TH RU: FROM: State,, of Alaska ~C. Vf/f~'/C~tj~rton DATE: February 7 1986 Chai~~-- , Lonnie C. Smith--/f Commissioner Doug Petroleum Inspector FILE NO.: D.ADA. 9 TELEPHONE NO.: SUBJECT: BOPE Test ARCO PBU 16-24 Permit 86-24 Prudhoe Pool Friday, Jan. 31. 1986: After witnessing the BOPE test at ARCO KRU 3'~is~we'i'i, ..... i '~ra~ie~d to ARCO PBU 16-24 well to witness the BOPE test. Saturday, February 1, ~198..6: The test commenced at 4:45 AM and was ~hC-i~d~"acI~ 9':"30 ~' Th~Annular Preventer failed this test. I filled out an A.O.G.'C.C. BOPE Inspection Report which is attached. In summary: i witnessed the BOPE test at ARCO PBU 16-24 well. Attachment: February 2, 1986 at 7:00 AM, I received a call from ARCO Rep. Larry Grimes and was informed that the Annular Preventer had been repaired and test to 3000 psi. )2-001 A(Rev 10~84) 4 80. '" :. ~'' /(',i:!!:."~i~,,.'. .~ . ~ ~, , A~ . ~ ~..' ..~.-~' ' ~S~ OIL & ~S ~NSERVATION COMMISSION -.."' · .- Date Representative Permit ~5 ~Casing Set ~ Z~ . ft. Rig ~6 Representativ~' · /:??':'~'~' ~ ' ':: Location, General ¥..?~ .... .... - Well Sign "L ?:L,..f... ': ,,' -...~,::'-, General HousekeePing · ~ ....,~ .~-. '~... ·. ~ . · . . BOPE Stack -.. Annular Preventer Pipe Rams t%~L/' Blind Rams Choke Line Valves ~/w/~--.: H.C.R. Valve ~ t' .Kill Line valves~'w~ ~ Check' Valve U~' / · Test Results: Failures Test Pressure ACCUMULATOR SYSTEM Full Charge Pressure., ~%OfbO psig Pressure After Closure i~) psig 200 psig Above Precharge Attained: rain ~ sec Full Charge Pressure Attained: ~ min.~sec Controls: Master Q~_ Remote O~-- Blinds switch cover .~% Kelly and Floor Safety valves Upper Kelly I ~>~ Test Pressure LOwer Kelly I Test Pressure .. ~; .. Bal 1 Type ' ~ I.nside Bop ~ Choke Manifold.. ~ No. Valves ~ No. flanges AdjUStable Chokes Test Pressure Test Pressure ~ ~est Pressure Hydrauically operated choke. Test Time., ~ hrs. ~5 ~'~,~, ]~epair or. Replacement of failed equipment to be made within., days and Inspector/Commission office notified. · Remarks:. ~~.1 V ~..~/~ ~1~ ,, ,.,~ . .. · Distribution orig. - AO&GCC' cc - Operator cc - Supervisor InsPector .~ OW m ~ 62 ~ January 24, 1986 lit. T. P. Oostermeyer Regional Drilling Engineer ARCO Alaska, Inc. P. O. Box 100360 Anchorage, Alaska 99510-0360 Telecopy: (907) 276-7542 Re: Prudhoe Bay Unit DS 16-24 ARCO Alaska, Inc. Permit No. 86-24 Sur. Loc. 168~'FNL, 1260'FWL, Sec. 24, T10N, R15E, UM. Btmhole Loc. 437'FNL, 1986'FEL, Sec. 18, T10N, R16E, Dear Mr. Oostermeyer: 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. Vi~r~ trulv~fo~s ~ ~ C. V. Ch~fte Chairman o f ~ Alaska Oil and Gas Conservation Commission BY ORDER OF THE CO~fISSION be Enclosure CC: Department of Fish & Game, Habitat Section w/o encl. Department of Environmental Conservation w/o encl. Mr. Doug L. Lowery ARCO Alaska, Inc. Post Office Box ,00360 Anchorage, Alaska 99510-0360 Telephone 907 276 1215 January 22, 1986 Mr. C. V. Chatterton Commissioner State of Alaska Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, AK 99501 SUBJECT: DS 16-24, Permit to Drill Dear Mr. Chatterton: Enclosed are: An application for Permit to Drill DS 16-24, along wi th a $100 application fee Diagrams showing the proposed horizontal and vertical projections of the wellbore ° Proximity plots ° A diagram and description of the BOP equipment A diverter system will not be used for this well. We estimate spudding this well on January 25, 1986. If you have any questions, please call Ed Cole at 265-1635. Sincerely, T. P. Oostermeyer Regional Drilling Engineer TPO/ELC/tw PD/L208 Enclosures RECEIVED ..Gas Cons. CommJ'ssior~ ARCO Alaska, Inc. is a Subsidiary of AtlanticRichfieldCompany ~ STATE OF ALASKA -" ALASKA OIL AND GAS CONSERVATION COM,,,~SSION PERMIT TO DRILL 20 AAC 25.005 la. Type of work. DRILL [~ lb. Type of well EXPLORATORY [] REDRILL [] DEVELOPMENT OIL~ DEEPEN [] DEVELOPMENT GAS [] 2. Name of operator ARCO Alaska, Inc. SERVICE [] SINGLE ZONE ~ MULTIPLE ZOO, n me . . Prudhoe Bay 10. Well number 1 6-2~ 3. Address P. 0. Box 100360, Anchorage, Alaska 99510 4. Location of well at surface 1683' FNL, 1260' FWL, Sec.24, T10N, R15E, UN At top of proposed producing interval 600' FNL, 2165' FEL, $ec.18, T10N, R16E, UN ~ Target At total depth 437' FNL, 1986' FEL, Sec.18, T10N, R16E, UN 5. Elevation in feet (indicate KB, DF etc.) I 6. Lease designation and serial no. RKB 70' PAD 38' AMSL I ADL 28346 ALK 2331 12. Bond information (see 20 AAC 25.025) Federal Insurance Company Type Statewide Surety and/or number #8088-26-27 13. Distance and direction from nearest town 12 mi. E of Deadhorse miles 16. Proposed depth (MD & TVD) 14. Distance to nearest property or lease line 437' @ .TD feet 17. Number of acres in lease i 1 3722'MD, 9192' TVD l~/cIfKd~i~t 20 AAC 25.050) ;~ l~e~ 500 feet. _ feet MAXIMUM HOLEANGLE52 2560 ol 20. Anticipated pressures (see 20 AAC 25.035 (c) (2) Proposed Casing, Liner and Cementing Program 11. Field and pool Prudhoe Bay Field Prudhoe Bay 0il Pool 4157 Amount $500,000 15. Distance to nearest drilling or completed 16-21well 153' @ l155'TVD feet 18. Approximate spud date 01/25/85 3100 psig@_ 80°F Surface psig@ 9191 ft. TD (TVD) SIZE 30" Hole Casing 20" 17-1/2" 13-3/8" [ + 2 jtsl 1 3 12-1/4"~ 9-5/8" Weight 91.5# 72.0# 68.0# 47.0# 29.0# CASING AND LINER Grade Coupling( H-.0 I I / / // L-8~O_ / BTC|__ SETTING DEPTH Length 80' 31 ' I 31 ' 3187' 30' I 30' at top 13252' MD TOP TVD l of csg. string. 29' I 29' I 750' 12972' I 8729' M D BOTTOM TV D 111'1 111' 3217' 2700' 13281 ' I 8920' 13722' 9192' QUANTITY OF CEMENT (include stage data) 2000# Poleset 3500sxCS 111&1200sx CS II 500 sx Class G 300 sx Class G 22. DescribeproPosed program: ARCO Alaska, lnc., proposes to directionally drill this Sadlerochit development well to 13,722'HD(9192'TVD)o A 13-5/8", 5000 psi, RSRRA BOPE stack w~11 be installed and tested (rams 5000 psi, annular 3000 psi) upon installation, weekly and operationally tested each trip. After reaching TD, logs w~11 be run across selected intervals. The well will be completed using a workover rig at a later date. A str~ng of 5-1/2", 17#, L-80 tubing will be run and set above the Sadlerochito A downhole safety valve will be installed and tested upon completion of the job. Non-freezing fluids will be left in all uncemented annul~ within the permafros~ interval. Selected intervals will be perforated in the Sadlerochit formation and reported on subsequen~ reports° Reserve pit fluids will be disposed of down the 9-5/8'' x 13-3/8" annulus of this well. The 9-5/8" x 13-3/8" annulus will be left with a non-freezing fluid during any interruption in the d~sposal process. Upon completion of the disposal process, the annulus (see attached sheet) -23. I hereby certify that the foregoing is true and correct to the best of my knowledge /_. TITLE Regional Drilling Engineer SIGNED The space below for Commission use K CONDITIONS OF APPROVAL Samples required ~YES Mud Icg required E]YES J~NO Directional Survey required ,~ES []NO APl number 5o- Permit number 1: ( Form 10401 (ELC) 15D/PD2~ Rev. 7-1-80 Approval date SEE COVER LETTER FOR OTHER REQUIREMENTS ,COMMISSIONER DATE January 24, 1986 _ by order of the Commission Submit in triplicate PERMIT TO DRILL 16-24 (cont'd) will be sealed with 300 sx cement followed with Arctic Pac. DS 16-24 will also be 184' from well 16-4 at 250'TVD and 185' from well 16-5 at 250'TVD. The AOGCC has waived the requirement for a surface hole diverter system on Drill Site 16. Therefore, a diverter system will not be used for this well. RECEIVED .... 0816-24 iO00 2000 3000 4000 SO00 6000 7000 8000 10000 11000 0 1000 2000 3000 ~000 SO00 6000 7000 8000 9000 10000 · , ~ , , , , , , ~ ~,/'~11~11~ I VU ~ i' I (OP TVD != 500 2.5 [ 17.5 ARCI:) ALASKA, INC. ~'~.e E 3C TVD ' 2302 MD = 2573 DEiP = 875 SIlL:roSa FNL.~260'~V'L '~ , SEC.24, FlON,R15E,UI~ 13-3/8' CASING I'VD =, 27CP0 MD -- 3217 DEP =, 1382 THL:60( 'FNL,2165'FE DS 18 - 3 '~. ' " ~ N 47 DEG 23 MII~ E '"~9391~ FT(TO TAR~ ;ET) 1 49 MIN K- 10 TVD = 7745 MD --.- 11380 DE P = 7799 '~-~ ~ K-5 TVD = 83 :1.5 MD = 1Z351 DEP := 8562 9-5/8' :ASING T~ D ---- 8920MD = 1321~ll DEP -- ,,.1293 ~'OP SAUL: 1U~nll I ~'L~ -- auou mu -- ~ozu/ u,'-r- -- '~306 - LCU TYD --'- 8930 MD = 132!)7 DEP = i306 TARGET ~';VD = 9003 MD = 13~15 OEP = 9399 O/V~ CONTAC1 TVD =' 9100 MD -- 13572 DEP="' 9522 TI) TVD = 9192 MD = 13722 DEl= = 9638 11000 0 1000 2000 3000 4000 w SO00 W 6000 > 7OOO lO000 1000 2000 3000 4000 5000 6000 7000 8000 9000 ' 10000 VERTICRL SECTION I1000 11000 9000 8000 z C¸2 ~ - N COORD!NBTES o - 1000 0 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 ,~ i L I I I I I i I I I e I I I f I I a I I a i I I t I I I I I I I I I I I i t I I e a I I t i II a I I I I I a I i i I i I I I I I I i I I i t I a I I I I I I I I I I I I e i iI i I I I i I i I ~ ~FI'I ~IRR~'FMI I~RIYFWI ~ SEC,24,Tl(IN,R15E,UM THL:6OO'FI ~I.,2166'FEL SEC.18,TI( N,R1OE,UM ~, I )S18-24 9~03 'T ~,RGET ~ 7 V'D '- 9003' ~ ~ ~ 'T VID ~' 13415' ,C EP -- 9399' E 6917 g - 1000 0 1000 2000 3000 4000 5000 6000 7000 §000 9000 10000 E - N COORDINRTES o -1000 o o o (o 0 1000 2000 3000 6000 7000 E - N COORDINRTES 4000 5000 8000 9000 10000 o o o o o CF) Wm Z © I , i i i , , , , i , , , , , , , i , , , i , , , i i i i i i , , i I,, i , i i i i i i i i i i i , , , i , i I I i I i i , , i , i , i i i , i , , i , i I i i i i i i i i i , , , ii i i i i i i ii UJ '8984 D5 16-24 ~70~ 5 - 2 ~: 10 ~ ~ ~960 73~ o / oau 8; :3 ~'151 - 1000 0 1000 2000 3000 "t000 5000 6000 7000 8000 9000 ! 0000 E - N COORDINRTES -i~'~ ~. ° ": ::200 .'.. -~oo ; 'o""' -~oo' '2oo- 3oo- ~oo .. ' ..soo. C:::) 0 C) E - N COORDINRTES 1986 Alaska Oil & Gas Cons. Commission Am:,horage E - kl COOROINB'rES o 300 ~00 500 600 700 800 900 ! 000 ! ! O0 IlS. 18-21 , -,,_ ~ 1 , i , , , ~ ~ ~ i , 13 I . ., I=INNIJLP~ T PRE'VE, NTOR 13-$/8" BOP STACK DIAGRAM A~cumulator Capacity Test 1. Check and fill accumulator reservoir to proper level with hydraulic fluid. 2. Assure that accumulator pressure is 3000 psi with 1500 psi downstream of the regulator. 3. Observe time, then close all units simultaneously and record the tim~ and pressure remaining after all units are closed with charging pump off. 4. Record on IADC report. (The acceptable lower limit is 45 seconds closing time and 1200 psi remaining pressure. 13-5/8" BOP Stack Test BLIND R[:IMS INS SPOOL PIPE 11. 12. 15. 14. 15. 16. 17. 18. 1. Fill BOP stack and ,manifold with a non-freezing liquid. 2. Check that all hold down screws are fully retracted. Mark running joint with predetermined plug seating depth. Run test plug on drill pipe and seat in wellhead. Run in lock down screws. 3,Close annular preventer and upstream valves. 4. Functionally test chokes. -$. -In each of the following tests, first hold a 250 psi low pressure test for a ~ of 3 mir~tes, then test at the high presso~re~' 6. Increase pressure t~3000 ps~)and bold for a mimimum of 5 minutes. Bleed~ to zero. 7. Open armular preventer and ~ess-~k~set of pipe rams. Increase pressure t~f S~OqO psi_.~md hold for at least 3 minutes. Bleed pre~~ zero. 8. Close valves directly upstream of chokes and open chokes.. Increase pressure to 5000 psi and hold for at least 3 minutes. Bleed pressure to zero. 9. Open top set of pipe ra~s then close botto~ set of pipe trams. Increase pressure to $000 psi below the bottom set of pipe rams and hold for at least 3 min- utes. I0. Test reamining untested manifold valves (if any) with 5000 psi upstream of valve and zero pressure downstream. Bleed pressure to zero. Open bottom set of pipe r~. Back off running joint and pull out of hole. Close blind r~ms and test to 5000 psi for at least 3 minutes. Bleed pressure off all equipment. Open blind trams. Make sure'manifold and lines are full of non- freezing liquid and all valves are set in drilling position. Test standpipe valves to $000 psi. Test Kelly cocks and inside BOP to 5000 psi with Koomey pump. Check operation of Degasser. Record test information on blowout preventer test form. Sign and send to Drilling Supervisor. Perfom complete BOP£ test once a week and func- tionally operate BOPE daily. ;:t[ CEiVED Revised 2/21/84 ARCO Alaska, Inc. .... . ~, Post Office · · 100360 ..... Anchorage, Alaska 99510-0360 ~- Telephone 907 276 1215 November 7, 1985 Mr. C. V. Chatterton Commissioner State of Alaska Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, AK 99501 SUBJECT- Conductor As-Built Location Plat - DS 16 (Wells 21 - 24) Dear Mr. Chatterton- Enclosed is an as-built location plat for the subject wells. you have any questions, please call me at 263-4944. Sincerely, · Gruber Associate Engineer JG/tw GRU12/L78 Enclosure If RECEIVED Nov I Alaska Oil & Gas Cons. Commissior~ Anchorage ARCO Alaska, Inc. is a Subsidiary of AtlanticRichfieldCompany els el4 · e 13 · Ii el:) Ie 18 * PLANT NORTH Grid North is 12°09'55 "Eo~f ~j.~.t DRILL I Y////A SITE I Y./?//) No.,6 I"= 4000' ~' ' VIClNITY MAP , ASP ZONE 4 Cord. COORDINATES 21 Y= 5 929 44 5~ 20 X= 720 006. 06 22. Y= 5 929 586. 48 X= 720 018. 64 SECTION WLO I_AT= 70°12~34.9435'' 1227 LONG= 148° 13'52. 8174" LAT= 70°12~34. 3627" 1238 LONG = t48°13'5g. 5019" 24 OFFSET NLO 1505 1565 eg 23 Y= 5 929. 327. 86 X--' 720 031. 30 Y= 5 929 269. X= 720 044.00 LAT= 70° 12'33. 7827" LONG = 148° 15'52.184~' LAT= 7'0° 12'33.2018 LONG= 148°13'3 I. 8655' 1249 1624 ]260 1683 ,7 · CERTIFICATE OF SURVEYOR ,HEREBY CERTIFY THAT I AM PROPERLY REGISTERED AND~ E C E IV E[ LICENSED TO PRACTICE LAND SURVEYING IN THE STATE OF'' ALASKA AND THAT THIS PLAT REPEESENTS A LOCATION SURVEY MADE BY ME OR UNDER MY DIRECT SUPERVISION, NOV ~. AND ALL DIMENSIONS AND OTHER DETAILS ARE CORRECT. Alaska Oil & Gas Cons. Co Anchora~9 SURVEYOR LEGEND~ WLO - WEST LINE OFFSET NLO- NORTH LINE OFFSET ~- CONDUCTORS AS-BUILT THIS SURVEY. ..... L i i ARCO ~o. ARCO Alaska., Inc. AS- BUILT DRILL SITE 16 CONDUCTORS LOCATED IN PROTRACTED SECTION 24, TION, RISE U.M. PREPARED BY LOUNSBURY ~ ASSOCIATES, INC. 72:3 W6fh AVF_..~ ANCHORAGE,ALASKA DATE :10/29/8§ ISCALE:I"= ,~' CHKD, BY: GEL J FLD. BK.: LHD 85-1OI i I I ii ii i - ' ( APPROVE 'DAT: _.. /-22 (2 thru 8) '(8) ' ' ' (3) Admtn ~/4,0~ /- /~ru 12) (10 and 12) (13 thru 21) (22 thru 26) :-. 1. 2~ 3. 4. 5. 6. 7. 8. e 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. :TS '~ .... Lease & Well.No. .: _ . '.!~: ~.~ :~... . ': i:. YES NO permit fee attached ' ' ~' Is the REMARKS Is well to be located in a defined pool ............................. ~D~ , , Is well located proper distance from property line .................. ~ Is well located proper distance from other wells .................... ~ · Is sufficient undedtcated acreage available in this pool ............ ~ Is well to be deviated and is wellbore plat included ................ ~0~ J , Is operator the only affected party - can permit be approved before ten day wait ' - Does operator have a bond in force ' Is a conservation order needed ...................................... Is administrative approVal needed ................................... Is the lease number appropriate ..................... - ................ Is conductor string provided ........................................ Is enough cement used to circulate on conductor and surface ......... Will cement tie in surface and intermediate or production strings ... Will cement cover al~ known productive horizons ..................... Will surface casing protect fresh water zones ........................ 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 ....................................... ~ Are necessary diagrams of ~-~ _ '""~ '-BOP equipment attached ....... ~ Does BOPE have sufficient pressure rating - Test to'~~_~__ psig .. ~ . Does the choke manifold comply w/AP1 RP-53 (Feb.78) .................. Is the presence of H2S gas probable ............... ' ......... ~ Additional requirements ............................................. ~ Additional Remarks: ~: Eng~rp%ering: X~VA HJH JAL rev: 03/13/85 6.011 INITIAL GEO. UNIT ON/OFF POOL CLASS STATUS AREA NO. SHORE .. Well History File APPENDIX Information of detailed nature that is not particularly germane to the Well Permitting Process but is part of the history, file. To improve the readability of the Well History file and to simplify finding information, information of this nature is accumulated at the end of the file under APPENDIX. No special effort has been made to chronologically organize this category of information. LIBRARY TAPE CURVE SPECIFICATIONS Company ARCO AI,ASKA~. INC, ~Well ' ": '/''':~':' D.":'S ' 16~-24 ~ Field PRUDHOE BAY County, State NORTH SLOPE~ ALASKA Date 2/27/86 Curve Name (Abbrev.) Standard Curve Name Logs Used Scale , , : l' MAIN PASS GRi~,i.:. 'l GAi-~MARAY . [ DIFL/BHC/AC . 0 - 100 SP .... .I SPONTANEOUS POTENTIALI " .-80 - 20 AC ACOUSTIC " 150 - 50 RFOC RESISTIVITY FOCUSED " .2 - 2~000 RILM RESISTIVITY MEDIUM " I " RILD ' RESISTIVITY DEEP "t " CN I COMPENSATED NEUTRON ' I CN/CDL I 60 - 0 DEN~ DENSITY POROSITY ~! "1 " .CORR CORRECTION " -.25 - .25 DEN BULK DENSITY " f · " 2 - 3 CAL ~' CALIPER " 10 - 20 GR GAMMA RAY " 0 - 100 REPEAT PASS WITH GR to 3500' GR1 GAbfl~k RAY DIFL/BHC/AC 0- 100 '$P SPONTANEOUS POTENTIAL " -80 - 20 ' AC ACOUSTIC " 150 - 50 RFOC RESISTIVITY FOCUSED " .2 - 2~000 RILM RESISTIVITY MEDIUM " " RILD .. RESISTIVITY DEEP " " CN COb~ENSATED NEUTRON CN/CDL 60 - 0 CORR CORRECTION " -.25 - .25 ., DEN BULK DENSITY " 2 - 3 CAL CALIPER " 10 - 20 GR GAMMA'RAY " 0 - 100 GRLG GAi~MA RAY TO 3~500' GR LOG 0 - 100 .... · 13500. 0.00 0.00 160.60 0.00 0.00 0.00 3.00 3.03 13.505. 124.0.0 ,-51.06 73.39 0.00 0.00 0.00 0.00 I .~4 3.65 13510, 108.03 70,73 68.4.6 0.00 0.00 0.00 0.00 t .52 8.65 ;.2.Z: .O0. '..g 0.:...:.: ~.,...:::: 3.-.:3. Z..,,.. .................... 2 ...... uO..,.. ~ ;:... 33::'66 ;:: .:: .:......:& Z.'.,::8..Z ....................... :.2...,. 2Z.: ....... ::.: ......... 2.,2.U 13740. 96,73 29,06 -0,58 26,28 10,05 9,55 10.52 2 . ,,,56 9,C3 13745, 46,42 24,65 1'3,35 -10,05 16,36 13,82 17.96 13750, 28,83 25,36 24,12 -21,61 18,24 12,23 1~.58 2.25 9,~2 ~ 2.2'~ · .0~ ..~ ~ ..~_. ~ ~. ~~.~...~ .L ~ ~ ~.. ' -~:.;~ .-:.:.:.z~ :...:~:~..~.:: :-':~:~..:;:~?:.:~-~..:.~ ..... ':-~.::::' ' - ~:~i~ ;:~' : ~;;~:~: :;~' ~ A, ~ ......... 1.,8 ...... 1..0. ................................. .~i~.k6:2 ........... L_.I,.,Z.~..~..~ ................................ ?,..;~ 3__..... ..................... .~ ......... 5_~ ............................. :~2.:2LZ...:5_3 ........................... Z ...... ~ .......................... Z ...... ~.Z 8 ......3._) ............................