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195-196
Post Office Box 244027 Anchorage, AK 99524-4027 3800 Centerpoint Drive Suite 1400 Anchorage, AK 99503 Phone: (907) 564-4891 06/09/2025 Mr. Jack Lau Alaska Oil and Gas Conservation Commission 333 West 7th Avenue, Suite 100 Anchorage, Alaska 99501 Re: Prudhoe Bay Surface Casing by Conductor Annulus Top-offs of Cement, Corrosion Inhibitor through 06/09/2025. Dear Mr. Lau, Enclosed please find a copy of a spreadsheet with a list of Prudhoe Bay wells that were topped-off with cement, corrosion inhibitor in the surface casing by conductor annulus through 06/09/2025. Cement top-offs are executed as needed to mitigate the void space left at surface by minor cement fallback during the primary surface casing by conductor cement job. The remaining void space between the top of the cement and the top of the conductor is filled with a heavier than water corrosion inhibitor to reduce the risk of external surface casing corrosion. The attached spreadsheets include the well names, API and PTD numbers, treatment dates and volumes. 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 have any additional questions, please contact me at 564-4891 or oliver.sternicki@hilcorp.com. Sincerely, Oliver Sternicki Well Integrity Supervisor Hilcorp North Slope, LLC Digitally signed by Oliver Sternicki (4525) DN: cn=Oliver Sternicki (4525) Date: 2025.06.09 14:30:46 - 08'00' Oliver Sternicki (4525) Hilcorp North Slope LLC.Surface Casing by Conductor Annulus Cement, Corrosion Inhibitor Top-offReport of Sundry Operations (10-404)06/09/2025Well NamePTD #API #Initial top of cement (ft)Vol. of cement pumped (gal)Final top of cement (ft)Cement top off date Corrosion inhibitor (gal)Corrosion inhibitor/ sealant dateF-10C21308650029204100365/29/25F-29B2111475002921627026.25/29/25F-33A20816350029226400145/29/25F-3619519650029226310035/29/25F-39190141500292210100175/29/25F-44A2051615002922130012.55/29/25F-47B21007950029222320215/29/25L-2512231065002923772001.8813/31/24117/29/24L-2532230485002923758004.1201.13/31/24127/29/24L-2542230305002923752003.8321.23/31/24137/29/24L-2922230255002923751003.3301.33/31/24147/29/24N-282141275002923524006.8504.711/19/242212/28/24N-302141245002923523003.5330.311/17/243.512/28/24PAVE1-122309450029237670019.910/27/24PWDW3-221908150029236340014.810/27/24S-40120607850029233130015.31130.511/15/24412/28/245/29/25F-361951965002922631003 • STATE OF ALASKA RECEIVED ALASKA OIL AND GAS CONSERVATION COMMIODN OCT 1 1 2013 REPORT OF SUNDRY WELL OPERATIONS AOGCO 1.Operations Abandon U Repair Well U Plug Perforations H Perforate H Other ii Performed: Alter Casing ❑ Pull Tubing❑ Stimulate-Frac ❑ Waiver ❑ Time Extension❑ Change Approved Program ❑ Operat.Shutdown❑ Stimulate-Other ❑ Re-enter Suspended Well❑ 2.Operator 4.Well Class Before Work: 5.Permit to Drill Number: Name: BP Exploration(Alaska),Inc Development 0 Exploratory ❑ 195-196-0 . 3.Address: P.O.Box 196612 Stratigraphic❑ Service ❑ 6.API Number: Anchorage,AK 99519-6612 50-029-22631-00-00 7.Property Designation(Lease Number): 8.Well Name and Number: ADL0028277 • PBU F-36 • 9.Logs(List logs and submit electronic and printed data per 20AAC25.071): 10.Field/Pool(s): PRUDHOE BAY,PRUDHOE OIL • 11.Present Well Condition Summary: Total Depth measured 14530 feet Plugs measured 12366 feet true vertical 9025.97 feet Junk measured None feet Effective Depth measured 12366 feet Packer measured See Attachment feet true vertical 8693.29 feet true vertical See Attachment feet Casing Length Size MD ND Burst Collapse Structural None None None None None None Conductor 80 20"91.5#H-40 30-110 30-110 Surface 3661 10-3/4"45.5#L-80 30-3691 30-3360.08 5210 2480 Intermediate None None None None None None Production 12815 7-5/8"29.7#USS-95 27-12842 27-8846.48 8180 5120 Liner 1824 4-1/2"12.6#L-80 12696-14520 8818.21-9025.32 8430 7500 Perforation depth Measured depth 12788-13806 feet 13926-14497 __feet True Vertical depth 8836.13-8926.02 feet 8965.06-9023.83 feet C,h1MNED IN 0 < - tai tC Tubing(size,grade,measured and true vertical depth) 4-1/2"12.6#L-80 26-12378 26-8699.12 Packers and SSSV(type,measured and true vertical depth) See Attachment See Attachment See Attachment Packer None None None SSSV 12.Stimulation or cement squeeze summary: Intervals treated(measured): Treatment descriptions including volumes used and final pressure: 13. Representative Daily Average Production or Injection Data Oil-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure Prior to well operation: 235 2693 867 1470 161 Subsequent to operation: 0 0 0 0 0 14.Attachments: 15.Well Class after work: Copies of Logs and Surveys Run Exploratory❑ Development el - Service❑ Stratigraphic ❑ Daily Report of.Well Operations X 16.Well Status after work: Oil Gas U WDSPIU GSTOR ❑ WINJ ❑ WAG ❑ GINJ ❑ SUSP ❑ SPLUGG 17.I hereby certify that the foregoing is true and correct to the best of my knowledge. Sundry Number or N/A if C.O.Exempt: N/A Contact Garry Catron Email Garry.Catronc BP.Com Printed Name Garry Catron Title PDC PE Signature iditA.4.7 ( v Phone 564-4424 Date 10/11/2013 V LT � °A2'Y/f� RBDMS OCT 14 2 . j /P/1 � � 3 Form 10-404 Revised 10/2012 Submit Original Only • • Packers and SSV's Attachment ADL0028277 SW Name Type MD TVD Depscription F-36 PACKER 12321 8603.62 4-1/2"TIW HBBP-T Packer F-36 PACKER 12696 8750.16 4-1/2"TIW SS Horiz Packer r 0 a Y a c 0 rn a) c U CO o Q� c > La a) 0_ 0., _1 _c O E � (>3 N > -D ca u) Q N N U > O (B a) c aT J d O) N CL - D)._ -o > (7) c Q � m a) CO Z * ( - fB CO Q U ,� j c * U) fz u) C O Q * Q 0 O a) �l O E- Q. 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U c N U) C) 'O 1- f- d ,- o E O M u) 0 L LO U) E- o ! -O O U) O 2 II ZOO � � aoo 0 (0 11 c `- E EC° c .E. _1 ca � 0 > U I- a_o53 U � U � ° moU LoJIn . 0 > U) O O O u_ O ° o o ° LUG u) .� ° II min a) ° > ,- - ,- �o II � 'u� (n U J Z W U N N Q ,- LL U) O j +. > Lf) Q U J U) Q 0 2 J r II II H > '— II > II °to U) II to >O (nQ JO OQ � O > OQ � Q � OJ ~ � � O °i .c0a�o � �* Z Z W * S °5 E ; LL c0 = i 4, LL O >> F = ,- I- > U) H I- o_ o U) H Q U) >5 U) I M M M M M M M T r `- o 0 0 0 O o O N N N ,--- N i--0. CO LU CO Cfl O 6) 6) O) 6) Daily Report of Well Operations ADL0028277 T/I/O = 0+/1940/300. Temp = SI. WHP's (Eval crude in cellar containment). AL SI @ casing valve (1860 psi). —1 gallon of fluid in containment, cleaned containment. On arrival fluid was at the top of flutes, sopped up —1 pint. Depth from conductor top to fluid @ the 12 o'clock position = 1/2" upon departure. 9/19/2013 SV, WV= C. SSV, MV= O. IA, OA= OTG. NOVP. 1425 hrs. T/I/O= 0+/1990/300. Temp= SI. IA FL (Eval Seal-Tite). ALP= 1850 psi, SI @ casing valve. IA FL @ surface. FL in conductor unchanged @ 1/2" from top & none in containment. 9/20/2013 SV&WV=C. SSV& MV=O. IA& OA=OTG. NOVP. 1645 hrs. T/I/O = 0+/1347/147. Temp = SI. MIT-OA w/ N2 to 500 psi (eval SC leak). AL SI @ casing valve • (1960 psi). Initial OA FL @ surface. Initial IA FL @ surface. Began pressuring up the OA according to procedure, at—470 psi the conductor started bubbling rapidly, LEL's increased from 0 to 50 % and Co2 increased from 0 to 30%. Bled OAP. Bled IAP to 1000 psi (.8 bbls, all fluid) in seven minutes. Monitored for 30 minutes, IAP & OAP remained unchanged. FWP's = 0+/1000/0. 9/25/2013 SV, WV= C. SSV, MV= O. IA, OA= OTG. NOVP. 1530 hrs. T/I/O = 0+/1030/170. Temp = SI. WHPs (Eval SC leak). AL SI @ casing valve, ALP = 1810 psi. Temporary containment installed around conductor. Dark liquid in flutes is not overflowing into •containment at this time. 9/26/2013 ISV, WV= C. SSV, MV= O. IA, OA= OTG. 13:00. ` ,a • d • TREE= 4-1/6"5M CM/ 1 sir NOTES: W ELL ANGLE>70°a 12605'. I ACTUATOR BAKER KB.ELEV= 68.05 BF.BEV= 37.70' KOP mm 1166' Fe— 1 2208' H4-112'HES HXO SSSV NP,D=3.813" I TWx Ante= 95'4 13095 Datum MD= 12951' Datum TVD= 8800'SS 110.3/4"CSG,55.5#,NT-80,D=9.953' H 3691' • GAS LFT MANDRELS Minimum ID = 3.725" 12366' ST MD TVD DEV TYPE VLV LATCH PORT DATE 5 3650 3331 46 KBMG-MW DM' BK 0 01/24/13 4-112" HES XN NIPPLE 4 6139 5075 44 KBMG-MW DMY BK 0 01/24/13 3 8246 6566 48 KBMG-MW DMY BK 0 01/24/13 2 10122 7569 61 KBMG-MW DMY BK 0 01/24/13 1 12123 8576 61 KBMG-MN DMY BK 0 01/24/13 ' r--I 12311' H41/2" x =3.813° Z I 12321' H 7-5/8"1IW I•BBP-T PKR,D=3.93" I I 11 12345" H4-1/2'HES X MP D=3.813' I IIIII 12366' H4-1/2"HES XN NP,D=3.725" I 12366' I--14-12"XXN PLUG(01/27/13) 14-1/2"1BG,12.6#,L-80 MOD,.0152 bpf,D=3.958" Hi_ 12378' I—/ (12378' 4-1t2'VVLEG,ELMD 1 12379' H E LMO TT LOGGED 06/25/96 1 ITOP OF 4-1/2'SLID L•R H 12696' I—E3 1..E\—I 12686• HTNV SS I-NGH ANGLE HGR/PKR I 1 7-5/8'CSG,29.7#,L-80,D=6.875"H 12842' 1 ' L 1385T H CiC PAY ZONE PKR I 13905' —I COLLAPSED UR OR PLUG OR JUNK 1 • ` Q/ 13925' H4-1/2"I-ES XN NN?D=3.725" PERFORATION St MARY :i . REF LOG: PBTD 1449T I ANGLE AT TOP PERF:80°@ 12788' + ' Note:Refer to Production DB for historical pert data /� . SEE SW. INTERVAL Opn/Sgz DATE • • i 4410, SLTD 12788-13806 SLID LNR 02/05/96 44 ti SLID 13926-14497 SLID LNR r 02/05(96 1 4-1/2"SLID LW,12.6#,1-80,.0152 bpf,D=3.958" 14620' I DATE REV BY COMMENTS DATE REV BY CCWIVENTS FRIJDHOE BAY UNIT 02(06/96 ORIGINAL COMPLETION 12/18/12 BSE/JMD GLV C1O(12/13/12) WELL: F-36 03/07/01 SIS-MH CONVERTED TO CANVAI 01/14/13 GJF/JAU SET 4-12"PX PLUG(12/18/12) PEf6+AT No: 1951960 03/10/01 SISMD FINAL 01/29/13 DLW/JMD GLV CJO(0124/13) API No: 50-029-22631-00 01/04/02 RN/IP CORRECTIONS 01/29/13 DLW/JMD PULL PX&SET XXN RUG(01/26-27/13) SEC 2,T11N,R13E,2639'FSL&2403'PM. 06/12/04 CMO/PAG DATUM CORRECTION BP Pxploratbn(Alaska) • OF TAr r, &\ s� THE STATE Alaska Oil and aS ' ®f l 1�� _ Conservation Commission _ GOVERNOR SEAN PARNELL 333 West Seventh Avenue es S p Anchorage, Alaska 99501-3572 ALAS 1 Main: 907.279.1433 % 4 �'Jk Fax: 907.276.7542 S14 Lea Duong Petroleum Engineer BP Exploration(Alaska), Inc. i P.O. Box 196612 Anchorage, AK 99519-6612 Re: Prudhoe Bay Field, Prudhoe Bay Oil Pool, PBU F-36 Sundry Number: 313-473 Dear Ms. Duong: Enclosed is the approved Application for Sundry Approval relating to the above referenced well. Please note the conditions of approval set out in the enclosed form. As provided in AS 31.05.080, within 20 days after written notice of this decision, or such further time as the AOGCC grants for good cause shown, a person affected by it may file with the AOGCC an application for reconsideration. A request for reconsideration is considered timely if it is received by 4:30 PM on the 23rd day following the date of this letter, or the next working day if the 23rd day falls on a holiday or weekend. Sincerely, t;L Cathy P. oerster Chair DATED this S day of September, 2013. Encl. • • S RECEIVED `j STATE OF ALASKA , AUG 3 0 2013 ALASKA OIL AND GAS CONSERVATION COMMISSION 91_5/1 APPLICATION FOR SUNDRY APPROVALS O SU �GCC 20 AAC 25.280 1.Type of Request: Abandon❑ Plug for Redrill❑ Perforate New Pool❑ Repair Well❑ Change Approved Program❑ Suspend❑ Plug Perforations❑ Perforate❑ Pull Tubing❑ Time Extension❑ Operations Shutdown❑ Re-enter Susp.Well❑ Stimulate❑ Alter Casing❑ Other. Seal-Tite 0 2.Operator Name: 4.Current Well Class: 5.Permit to Drill Number. BP Exploration(Alaska),Inc. Development 0 Exploratory ❑ 195-196-0• 3.Address: Stratigraphic ❑ Service ❑ 6.API Number. P.O.Box 196612,Anchorage,AK 99519-6612 50-029-22631-00-00- 7.If perforating: 8.Well Name and Number. What Regulation or Conservation Order governs well spacing in this pool? 341 D PBU F-36 Will planned perforations require a spacing exception? Yes ❑ No ❑ 9.Property Designation(Lease Number): 10.Field/Pool(s): ADL0028277- PRUDHOE BAY, PRUDHOE OIL 11. PRESENT WELL CONDITION SUMMARY Total Depth MD(ft• Total Depth ND(ft): Effective Depth MD(ft): Effective Depth ND(ft): Plugs(measured): Junk(measured): I t 5 2 -j4 t (1, 9026 • 12366 8693 12366 13905 Casing 1 v7 Length Size MD ND Burst Collapse Structural Conductor 80 20"91.5#H-40 30-110 30-110 Surface 3661 10-3/4"45.5#NT80 30-3691 30-3360.08 0 0 Intermediate None None None None None None Production 12815 7-5/8"29.7#USS-95 27-12842 27-8846.48 8180 5120 Liner 1824 4-1/2"12.6#L-80 12696-14520 8818.21-9025.32 8430 7500 Perforation Depth MD(ft): Perforation Depth ND(ft): Tubing Size: Tubing Grade: Tubing MD(ft): 12788-13806 8836.13-8926.02 4-1/2"12.6#L-80 L-80 26-12378 Packers and SSSV Type: See Attachment for Packer Types Packers and SSSV MD(ft)and ND(ft): See Attachment for Packer Depths No SSSV Installed No SSSV Installed 12.Attachments: Description Summary of Proposal ❑ 13.Well Class after proposed work: Detailed Operations Program 151 BOP Sketch ❑ Exploratory ❑ Development El Service ❑ 14.Estimated Date for 15.Well Status after proposed work: Operations: 9/16/13 Commencing Oil g 0 p IN Gas ❑ WDSPL ❑ Suspended ❑ 16.Verbal Approval: Date: WINJ ❑ GINJ ❑ WAG ❑ Abandoned ❑ Commission Representative: GSTOR ❑ SPLUG ❑ 17.I hereby certify that the foregoing is true and correct to the best of my knowledge. Contact Lea Duong Email Lea.Duonwaa BP.com Printed Name Lea Duong Title PE Signature / Phone Date 1�4 564-4840 8/29/2013 COMMISSION USE ONLY Conditions of approval: Notify Commission so that a representative may witness Sundry Number. 2J" (C.1 Plug Integrity ❑ BOP Test ❑ Mechanical Integrity Test ❑ Location Clearance ❑ (c' It' Other: RR MS OCT 1 0 201 ) Spacing Exception R uired? Yes ❑ No 1 Subsequent Form Required: p 9 Required? /C —414 APPROVED BY Approved by: `'L?, 4,64,2(71-t.,---- COMMISSIONER THE COMMISSION Date: 9_ 3 - /3 4 1 Form 10-403 Revised 1/201�0( / A roved t i vv j i 2 hs from the date of a roval. Submit in Duplicate 1 ci').1-)te-',7Ko by 0 To: Jerry Bixby/Rob Liddelow, AK, D&C Wireline Operations Team Lead Clark Olsen/Tyler Norene, AK, D&C Well Services Team Lead Date: July 24, 2013 From: Lea Duong Code: APBWEINR Petroleum Engineer IOR: 150 Subject: F-36 Seal-Tite Packer Repair 1. D Pump Seal-tite down IA. Follow attached Seal-Tite procedure. Current Status: Not Operable for PC leak. Secured w/TTP. Max Deviation: 95° @ 13,095'MD Minimum ID: 3.725"@ 12,366'(4-1/2" HES XN Nipple) Last Well Test 10/20/12 235 bopd, 867 bwpd, 2.693 MMscf/d, Gas Lift-1 MMscf/d, 161 WHP, 11.4K GOR Last Downhole Op: 01/26/13 Pulled 4-1/2"PX plug from 12,300'SLM (12,311' MD). Set 4-1/2"XXN plug @ 12,366' MD Last Drift: 01/27/13 Set Plug @ 12,366' MD Latest H2S Value: 01/20/12 16 ppm Objective: To remediate the leak across the packer and return the well back to operable status. History: F-36 is in the waterflood block of F-Pad that was originally drilled in February 1996 with commingled production from the Sag and Ivishak. The well was completed with -1600' of slotted liner. There has not been much work done on the well except the acid wash ' that was pumped in April 2000 and the HOT in November 2006 - both resulted in negligible benefit. On October 14, 2012, the well broke MOASP and went "Under Evaluation." On October 18, 2012, the well passed PPPOT-IC to 3,500 psi. On October 26, 2012, the MIT-OA passed to 1,200 psi. A few days later, a cold OA build up rate of -20 psi/day was observed. The OA passed two pressure tests; one was on 10/26/12 to 1200 psi and the second was 500 psi with nitrogen on December 31st, 2012. The tubing passed a pressure test @ 2,500 psi with the plug set above the packer on January 24th, 2013. The PX plug was pulled and a XXN plug was set below the packer. The tubing failed a pressure test @ 2,500 psi with a LLR of 1 bpm @ 2,000 psi. The IA failed a pressure test to 2500 psi with a slow pressure bleedoff. A LDL was run on June 4th, 2013 and verified a leak across the packer. The leak-off rate of 0.4 gpm @ 2500 psi was Page 1 of 6 • • observed. Since the leak rate is small, the decision is to proceed with a seal-tite remediation to return the well back to operable status. For questions or comments please call Lea Duong at 564-4840 (w) or 720-951-7238 (c). F-36 Procedure Conditions in the well and recent diagnostics: 1. > 12/31/12: MIT-OA w/N2 Passed to 500 psi > 01/24/13: Set DGLVs, MIT-T to 2500 psi > 01/25/13: MIT-IA Failed, Caliper tbg - 299 jts < 20%, 7 jts 20-27% > 01/26/13: Set TTP, MIT-T Failed > 03/11/13: MIT-OA Passed to 1,000 psi > 03/14/13: PPOT-T Passed to 5,000 psi > 03/16/13: LLR IA= 0.4 gpm @ 2,500 psi DHD Procedure: 1. Follow attached Seal-Tite procedure. Page 2 of 6 • • Seal-Tite, International Engineered Sealing Solutions Proposed Procedure For Correction of a Packer Leak Purpose Document Control Information This procedure is intended as a guideline for the Print Date: 8/29/2013 3:49 PM performance of sealing operations on packer leaks. S IA=Inner Annulus, OA=Outer Annulus, LDL=Leak Detect Log 0We Company: BP Alaska Country: USA Address: Field: Prudhoe Bay Well: F-36 Platform: N/A Date: July-19-2013 Contact Name: Lea Duong Telephone: 907-564-4840 Email: Lea.duong@bp.com Telefax: CURRENT STATUS: An LDL preformed June-04-2013 had indicated a leak at the 7 5/8" TIW HBBP-T Packer at 12,321'MD. OBJECTIVE: Repair the leak and return the well to production by injection of sealant designed to fall through the annular fluid and stack up on top of the packer. MECHANICAL INFORMATION: Packer Depth MD=12,321' Leak Rate = 0.27gpm at 2,500psi Annulus Fluid = A mix of Diesel, Methanol, Dead Crude and 8.7ppg Brine TUBING —4 '/s" Tubing 12.6#, L-80 PRODUCTION CASING —7 5/8" 29.7#, L-80 Tubing x Casing Capacity = 0.026bbls/ft Annulus volume to packer @ 12,321' = 323.4bbI Prior to commencement of job, confirm with operator the maximum allowable casing pressure and Mechanical Integrity Test criteria. Add mechanical sketch and tubing detail if available. Page 3 of 6 • • Note: In order to maintain the seal at the packer, either additional casing pressure or heavier annulus fluid may be necessary. Intended Procedure: 1. Hold pre-job safety meeting and discuss operations with everyone involved. 2. Record tubing and casing pressure. 3. R/U Echometer to the IA and shoot a fluid level. 4. If the Fluid level is at the surface pressure up the IA with gas to push the fluid level down. The fluid level needs to be at 200' of deeper. This will allow the sealant to be pumped in using a double diaphragm pump. 5. Rig up Mixing equipment and start mixing a 4bbls Flo-Seal Pill mixed 6-1 with a final weight of 10ppg. 6. Bleed pressure off the tubing and IA to Opsi. Monitor 1 hour for any build up. If no build up monitored then rig up double diaphragm pump to the IA and pump in the 4bbl Flo- Seal Pill. 7. After the pill has been pumped allow the sealant to fall for a minimum of 24 hours. 8. After 24 hours pressure up the IA with Diesel to 1,000psi and monitor the pressure. 9. Once a seal is established on the Packer at 1,000psi, Continue to pressure up in 500psi stages until reaching 2,500pi. 10. After reaching 2,500psi on the IA monitor the IA for 5 days for any leaks. 11. If no leak is seen on the IA for 5 days then perform an MIT per BP Alaska specifications. 12. Rig down all equipment, secure well site and return well to normal operations. Monitor casing pressure due to thermal increases in pressure. Jeremy Ellis 19-July-2013 Associated Documents Any applicable project data Document Change History Revision Date Nature of Revision Document Review Participants Procedure Issued Gary Webb Page 4 of 6 • • TREE= 4-t/6'5M 07W [-SAFETY NOTES:W ELL ANGLE a T0°g 12608'. "'aLJFAD= AC -36 103 E3.EV= 6895' BF ELEV= 37.79 KCP= 1188 now H4-vr Fees FIXO SSSV MP,D=3.613' Mex Ante= 95.6 130138 • OmumilD= 12951' OalumTVD= 8800 SS 11[1314'CSG,55.51,N7-B0,D=8.1353'H 3661' H----A ■ GAS LIFT 91440185 Mirrmlm ID= 3.726"/ 12366' IST "O 1VDIDEV TYFE VLV LATCH PORT DATE C3 5 3650 3331 46 KBM3JWV OMY BK 0 01/24/13 4112"HES XN NIPPLE 4 6139 5075 44 KBhGMN Mr' BK 0 01/24/13 3 8246 6566 48 K56IG 4w N 0141 BK 0 01124/13 2 10122 7569 61 KB 43—W/ MAY BK 0 01124113 1 12123 8576 61 KBRIG-LIAI 30141 BK 0 01/24113 ' ' I 123,1' H4-112'HES XNP,D=3.613' I 2K 2C—I 12321' 67.5/6'TMIHBBRT Plat D"3,83' I I 12346' H4-1/2'F E S X NP,D=3.813'I '/ III 12366' 6412'ICS XN NP,D=7.725' 46r TOG.12.6#,L-80110R.0152 Ilpf.D=7.958' H 12576' } 1 tt 12366' H4-112')004 PLUG(01x17113) 17378' +u1 ml— lets,,e3.mt., I 123711'!1-{4/1 1T LOGO o8/25IB6 I TOP OF 4I/T SLID 12601' Ig I I2Sor H TWITS MGM ANG1.1 M774PKla I 17.5/6'(SG.29.7#.L-80.D=6.875'H 12842. I. 1366T Crc PAY2AFE PKR I I 1n' HCOLLAPSH>LNRORPLUG CRAM 1 ;I 13625 �4-Ix1'MB XN lP,D=3.725' 1 P640X2'ITLN SUTAUARY •�. ♦8 LOG: F61O 14410' ANL6 EAT TOP FEW 80°@ 12788 Note:Refer to Roduction OB for Iratorcal part data i/1144 SEE SW MFl2VAL C ri DATE - X 1111/111/' SLID 12788.13806 sLro LNR 0206198 +1`11�7 SLID 13926-14497 SLID UP' 0205196 1 4-1/T SLID LML 12.61.L-80,.0152 bpt.D=3.956' 14620' I DATE RB/BY ODMIENTS DATE REV BY COIAEN1S PRUDHCE BAY 114 02/06198 O8100181 COMPLETION 12/18112 BSE/JA)GLV C/O(12113112) YAaL. F-36 03107/01 818-MH CONVERTED TO CA1MAt 0111413 GPM)SET 4-112'PX PLUG(12/18/12) PERMIT No:1951960 03/10/01 SIS-MD FINAL 01/29/13 01/0.110 GLV 0O(012413) API No: 50-029-22631-00 01/0402 F6*TP OOF8glDNS 01/29/13 OLIN1A0 FULL PX 8 SET XXN PLUG(011 26-27113) SEC 2,T111A R13E 2639'FSL&2403 PAL 06/12/04 0M3/PAG DATUM CORRECTION BP Exploration(Abrkal Page 5 of 6 • • WELL SERVICE REPORT WELL DATE JOB SCOPE DAY SUPV F-36 6/3/2013 LEAK DETECTION LOG HUSSEIN AFE Code DAILY WORK NIGHT SUPV APBWEINR LOG-LEAK DETECTION; LOG--IN PROGRESS ZAKHAROV MIN ID DEPTH TTL SIZE KEY PERSON UNIT 3.725" 12366 FT 4.5" SWS-REED SWS 2362 DAILY SUMMARY ***WELL SHUT IN ON ARRIVAL***(E-LINE ACOUSTIC LDL) INITIAL T/I/O=0/150/200 PSI RIH W/PDS ACOUSTIC LDL TOOL LOGGED BASELINE PASS FROM SURFACE TO XXN PLUG AT 12366' DHD PRESSURED UP IA TO 2500 PSI W/TRIPLEX LEAK FOUND AT TIW PACKER AT 12231', PERFORM STATION STOP CONTINUE LOGGING OUT OF HOLE ***JOB CONTINUED 6/4/13*** LOG ENTRIES !nit Tbg,IA,OA->I 01 1501 2001 TIME COMMENT 12:15 ARRIVE ON LOCATION AND SPOT EQUIPMENT. 12:45 PJSM 13:05 BEGIN RIG UP 13:35 DUAL BARRIER TEST PASSED. BARRIERS=SWAB/SSV 14:03 FUNCTION TEST WLVS 14:45 SLB SITE AUDIT. 15:30 SITE AUDIT COMPLETE. PREPARE TO STAB ON TO WELL. 16:16 BEGIN LOW PT.AT 300PSI 16:26 BEGIN HIGH PT AT 3150PSI 16:38 RIH W/HEAD/ERS/WEIGHT BAR/WEIGHT BAR/PDS LDL TOOL MAX OD 2.125"OAL=26'WEIGHT= 220LBS FN= 1.38"BARRIERS:GREASE HEAD AND LUBRICATOR.SECONDARY:SWAB AND SSV. 18:57 AT BOTTOM. DHD RIGGING UP TO IA.WELL CONTROL DRILL WITH WSL. 21:50 DHD READY TO START PUMPING. HOLD SAFETY MEETING WITH EVERYONE ON LOCATION AND DISCUSS THE PROCEDURE. 22:15 DHD BEGIN PUMPING DIESEL DOWN IA W/TRIPLEX AT 2500 PSI 23:00 PERFORM STATION STOP ABOVE PLUG AT 12366'. BEGIN LOGGING UP. 23:15 LEAK DETECTED AT TIW PACKER AT 12231', PERFORM REPEAT PASS OVER LEAK 23:59 CONTINUE LOGGING OUT OF HOLE...JOB CONTINUED ON 6/4/13 Final Tbg,IA,OA->1 01 2,500 1 400 JOB COSTS SERVICE COMPANY-SERVICE DAILY COST CUMUL TOTAL CAMERON $0 $960 LITTLE RED PLUS 10 PERCENT $0 $215 LITTLE RED $0 $2,150 TOTAL FIELD ESTIMATE: $0 $3,325 FLUID SUMMARY 1 BBL DIESEL TO PT PCE SAFETY NOTES WELL CONTROL DRILL WITH WSL. Page 6 of 6 • Packers and SSV's Attachment ADL0028277 Well Facility Type MD Top Description TVD Top F-36 PACKER 12321 7.625 X 4.5 TIW HBBP-T Packer 8672 F-36 PACKER 12696 7 X 4.5 TIW SS Horizontal Packer 8818 . . I'll:E=WELLPEAD= 4-1/6"'5M aw 1110 1 SilITY NOTES: WELL ANGLE>70°© 12605'. . FIE ACTUATOR= BAKER F-3 6 KB.ELEV= 68.65' BF.ELEV= 37.76 KOP= 1166' I Mix An48 95°t 0 220W H4-1/2"1-€S 1-0(0 SSSV MP 0=3.813" --17— 13695- Delimit)= 12951' Datum TV6= 8806 SS 110-3/4"CSG,55.5#,NT-80,ID=9.953 H 369v GAS LIT MANDRELS ST P.1) TVD 0EV TY FE VLV LATCH PORT DATE Mill mum ID = 3.725" @12366' 4-112" HES XN NIPPLE I LI 5 3650 3331 46 KBNG-MN MK BK 0 01/24/13 4 6139 5075 44 KBNIG-MIN DMY BK 0 01/24/13 3 8246 6566 48 KBMG-MIN DMY BK 0 01/24/13 2 10122 7569 61 KBMG-WAN DMY BK 0 01/24/13 1 12123 8576 61 KBMG-MW DMY _ BK 0 01/24/13 • r-----I 12311' H4-1/2"HES X MP,D=3.813 I Z z---I 12321' H 7-5/8"T1W tiBBP-T PKR,0=3.93' I I 111--1 12345' H4-1/2"HES X P43,ID=3.813" I 1 I12366' I-14-1/2"I-ES XN NIP,ID=3.725" I 10.441 12366' H4-1/2"XXN PLUG(01/27/13) 4-1/2'TBG,12.6#,L-80 MOD,.0152 bpf,U)=3.958' H 12378' I— I 12378' H4-1/2"YVLEG,ELMD I 1 / \ , I 12379' H TT LOGGED 06/25/96 I TOP OF 4-1/2"SLTD LPS2 H 12(196* I—xj ES I 12696' HTIW SS HIGH ANGLE HGR/PKR I I 7-5/8'CSG,29.7S,L-80,ID=6.875'Ft 12842* I—■ • L 13857' 11 1 ICTC PAY2OPE FKR I • - 13905' --I coLLAPSED LNR OR FLUG OR JUI■K I - , ' AN. -" 13925' H 4-1/2"I-ES XN NP,ID=3.725" PERFORATION SUMMARY I LOG: . . FBID 14497' ANGUEAT TOP PERF:80°@ 12786 Note:Refer to Roduction DB for historical perf data ' A. - . s.... SIZE SW INTERVAL Opn/Sqz DATE , s iSSSS# SLID 12788-13806 SLID LNR 02/05/96 ••••■ 4 te SLID 13926-14497 SLTD LNR r 02/05/96 I 4-1/2'SLID LPFt,12.6#,L-80,.0152 bpf,Do 3.958' H 14520' I DUE REV BY CONSENTS DATE REV BY COMENTS FRUDHDE BAY UNIT 02/06/96 ORIGINAL COMPLETION 12/18/12 BSEIJK)GLV C/0(12/13/12) WELL: F-36 03/07/01 SIS-MH CONVERTED TO CAPNAI 01/14/13 GJF/JM) SET 4-1/2"PX RUG(12/18/12) PERIIT No:1951960 03/10/01 515-PA) FINAL 01/29/13 DLW/JM.)GLV C/0(01/24/13) AR Pb: 50-029-22631-00 01/04/02 RhYllo COMECTIONS 01/29/13 DLW/JE PULL PX&SET XXN RUG(01/26-27/13) SM 2,T11N,R13E,2639'FSL&2403 FWI. 06/12/04 CMO/PAG_DATUM CORRECTICAI BP Bcploration(Alaska) • • pi3lk F -36, Regg, James B (DOA) PM 1`1514,o From: Regg, James B (DOA) !J CSI ��i'�z✓ Sent: Friday, October 19, 2012 1:48 PM `� To: 'AK, D &C Well Integrity Coordinator' Subject: RE: UNDER EVALUATION: Producer F -36 (PTD #1951960) Sustained OA Casing Pressure Above MOASP Please explain the OA pressure spikes between 9/15 -9/22; TIO plot indicates OA pressures exceeded 1000psi. There was no notice made. Only notice prior to 10/17 was tied to a proration event at end of July. Jim Regg AOGCC BANNED APR 0 9 2013, 333 W. 7th Ave, Suite 100 Anchorage, AK 99501 907 - 793 -1236 From: AK, D &C Well Integrity Coordinator [ mailto: AKDCWelllntegrityCoordinator @bp.com] Sent: Wednesday, October 17, 2012 5:00 PM To: Schwartz, Guy L (DOA); Regg, James B (DOA); AK, OPS GC1 OSM; AK, OPS GC1 Field O &M TL; AK, OPS GC1 Wellpad Lead; AK, OPS Prod Controllers; Cismoski, Doug A; Daniel, Ryan; AK, D &C Well Services Operations Team Lead; AK, D &C Wireline Operations Team Lead; AK, RES GPB West Wells Opt Engr; AK, RES GPB East Wells Opt Engr; Duong, Lea Subject: UNDER EVALUATION: Producer F -36 (PTD #1951960) Sustained OA Casing Pressure Above MOASP All, Producer F -36 (PTD #1951960) has confirmed sustained casing pressure on the OA above MOASP. The wellhead pressures were tubing /IA/OA equal to 200/1560/1200 psi on 10/14/12. The well has been reclassified as Under Evaluation and may be on production while on the 28 -day clock. The plan forward is as follows: 1. W: PPPOT -IC OA„_ sex) 2. D: OART urs A TIO plot and wellbore schematic have been included for reference. 1t' ��' L44® ps; «Producer F- 36(PTD 1951960)TIO.docx» «F- 36.pdf» p,-_ 16,6- cA, ✓ Shane Wills filling in for Gerald Murphy BP Alaska - Well Integrity Coordinator 1 / • • WIC Office: 907.659.5102 WIC Email: AKDCWellIntegrityCoordinator @BP.com 2 PBU F-36 PTD #1951960 10/17/2012 TIO Pressures Plot _— Well F-36 • 4.000 - • 1000 - T129 -•-- IA 2,000 --OA 00A - 4- 000A 1 1 ,COX • i • • • • • • • • • • • • • • ". • MN* 07,21112 07128 03002 06'11/12 08;1812 08125' 0901'12 090&'12 09/1512 09/22/12 09/2 10/6612 10/1312 • • WELLHEAD = FMC SAFETY NOTES: HORIZONTAL WELL - 70° @ I A CTUATOR= BAKER KB. ELEV = 68.05' F -36 12605' AND 90° @ 13034' BF. ELEV = 37.70 KOP = 1166' Max Angle = 95 @ 13095' Datum MD= 12951' - I 2208' H4 -1/7' HES I-IXOSSSV NIP, ID= 3.813" Datum TVD = 8800' SS 110 -3/4" CSG, 55.5 #, NT -80, ID= 9.953" H 3691' hkjx(P' 6440 GAS LIFT MANDRELS 1 P°s'7 / ST MD ND DEV TYPE VLV LATCH PORT DATE Minimum ID = 3.725" @12366' ( I 5 3650 3263 45 KBMG -MW DOME BK 2/4 03/03/96 4-1/2" HES XN NIPPLE '11 4 6139 5007 44 KBMG -NW DOME BK 16/64 03/03/96 3 8246 6499 50 KBMG -MW DOME BK 16/64 03/04/96 2 10122 7502 60 KBMG -NNW DOME BK 16/64 03/04/96 1 12123 8508 61 KBMG -MW S/O BK 16/64 02/05/01 I I I 12311' H4 -1/2" I-ES X NP, ID = 3.813" I I 12321' H7 -5/8" 11W HBBP -T PKR, ID = 3.93" I I I I 12345' I - /2" FES X NP, ID = 3.813" I I I I 12366' 1 -1/2" I-ESXN ID= 3.725" 14 -1/2" TBG, 12.6#, L -80 MOD, .0152 bpf, 0 = 3.958" I--I 12378' 1---7 12378' H4 -1/2" WLEG, ELMD I I 12379' I TT LOGGED 06/25/96 I ITOPOF4 -1/2" SLID LNR H 12696' I p \---- 1 12696' HTIW SS HIGH ANGLE HGR/PKR I i 1 7 -5/8" CSG, 29.7 #, L -80, ID = 6.875" H 12842' H i ilk 13857' CTCPAYZONEPKR i I 13905' - COLLAPSED LNR OR PLUG OR JUNK I 13925' H4 -1/2" HES XN NIP, D = 3.725" I ` PERFORATION SUMMA RY ZV ` • PBTD - 14497' REF LOG: ,� ANGLEA T TOP PERF: 80 @ 12788' - ���f ∎•■ Note: Refer to Roductbn DB for historical perf data ����• SIZE SPF INTERVAL Opn /Sqz DATE 4,4 I i SLID 12788 - 13806 SLID LNR 02/05/96 SLID 13926- 14497 SLID LNR 02/05/96 4-1/2" SLTDLNR, 12.6#, L -80, .0152bpf, ID= 3.958" - I 14520' I DATE REV BY COMMENTS DATE REV BY CONVENTS PRUDI - OE BAY UNIT 02/06/96 ORIGINAL COMPLETION WELL: F -36 03/07/01 SIS -MH CONVERTED TO CANVAS PERMT 1951960 03/10/01 SIS-MD FINAL AR No: 50 -029- 22631 -00 01/04/02 RN /TP CORRECTIONS SEC 2, T11N, R13E 06/12/04 CIvO/RG DATUM CORRECTION BP Exploration (Alaska) • ilpt-r- 3 P� i t 5 - 64.0 Regg, James B (DOA) From: AK, D &C Well Integrity Coordinator [AKDCWelllntegrityCoordinator @bp.com] Sent: Friday, October 19, 2012 2:51 PM To: Regg, James B (DOA) Cc: AK, D &C Well Integrity Coordinator Subject: RE: UNDER EVALUATION: Producer F -36 (PTD #1951960) Sustained OA Casing Pressure Above MOASP Mr. Regg, The two events in question were evaluated as thermal events related to the well being brought online on 9/16/12. The first bleed was the same day when the OAP reached 900 psi at which point the operator bled to 200 psi. The second occurred on 9/19 when the OAP reached 1100 psi at which point the operator bled to 200 psi. Looking at the data, specifically the temperature reported and the fact that the OA was fluid packed, it appears that thermal expansion was the cause of both spikes. The well went from 60 to 78 degrees from the time it was brought online until it broke MOASP. As far as the current event that was reported, we achieved a passing PPPOT -IC on 10/18/12 indicating good well head integrity and we are currently on day one of the Outer Annulus Repressurization Test. Regards, Shane Wills filling in for Gerald Murphy 0 9 2,03 BP Alaska - Well Integrity Coordinator SCrkt GV4 Global Wells Organiza€ ion WIC Office: 907.659.5102 - WIC Email: AKDCWellIntegrityCoordinator@BP.com From: Regg, James B (DOA) [mailto:jim.regg@aalaska.gov] Sent: Friday, October 19, 2012 1:48 PM To: AK, D &C Well Integrity Coordinator Subject: RE: UNDER EVALUATION: Producer F -36 (PTD #1951960) Sustained OA Casing Pr.4ssure Above MOASP Please explain the OA pressure spikes between 9/15 -9/22; TIO plot indicates OA pressures exceeded 1000psi. There was no notice made. Only notice prior to 10/17 was tied to a proration event at end of July. Jim Regg AOGCC 333 W. 7th Ave, Suite 100 Anchorage, AK 99501 907 - 793 -1236 From: AK, D &C Well Integrity Coordinator [mai - .:AKDCWeIIInte• ri Coordinator • b..com] Sent: Wednesday, October 17, 2012 5:00 P►' To: Schwartz, Guy L (DOA); Regg, Jame (DOA); AK, OPS GC1 OSM; AK, OPS GC1 Field O &M TL; AK, OPS GC1 Wellpad Lead; AK, OPS Prod Controllers; Cismo: i, Doug A; Daniel, Ryan; AK, D &C Well Services Operations Team Lead; AK, D &C 1 TREE= 4-1/6" 5M CNV SAFETY i, iOTES: HORiZOHTAL WEi i . 70~ ,,~, WELLHEAD = FMC ACTUATOR= BANER F-36 KB. ELEV = BF. ELEV = 37.7D' I(OP= Max Anal~ = ~5 (~ 13095' ~ I Datum MD = 13'38_,'Z Datum TVD = E~OD' SS; GAS LIFT MANDRELS ST ND TVD DE~/ TYPE VLV LATCH PORT DATE Minimum ID- 3.725"I~12366' I d 5 3650 3283 45 1<]3MG-IVW DOME BK 2/~' 03/0311)6 4-'I/2"HESXN NIPPLE 4 6139 51~7 44 k:Bk/I3-MWiDOME aK 16/6403/03/1~ 3 8246 64a1~ 50 1<211¢9-MCV DOME BI( 16/84a3/E4/l~ 2 10122 7502 8D t~M~-MW DOME BI( 18/04 03/~4/9Q I 12123 8508 61 t~MG-IC/V $10 BK 16/04 02/D5/01 I ~ ~ i ~269~'I--I* V::HIGHANGLEHGR/PKRI I I , , I 138s?' I-IcTc PAYZDNEPtm I I PERFORATION SUMIv~RY i ~ ,. ,. REF LOG: ANGLEAT TOP PI~F: SD @ 12788' ' . . Note: Refer to Production DB for historical perf data SIZE I SPF INTERVAL Opn/Sqz DATE SLTD 12788- 13806 SLTB I_NR D2/OS/B6 SLTB '13D26- 1448,7 SLTB LNR O2/OS/I;~ DATE REV BY COMMENTS BATE REV BY COMIVE~TS PRUDHOE BAY UNIT 0~06/96 ORIGINAL COMPLETION WELl' F-36 03/07rJ1 SIS. rOH ~'~ONVERTE~TO CANVAS PERMT No: 1951960 O3/lorJ1 SIS. IVD FINAL APl No: 5Q-D29-221%31.O0 01/04/32 RN/TP CORRECTIONS SEC 2, T11N, R13E BP Expl~r ation ~IZE I SPF INTERVAL Opn/$qz DATE SLTD 12788- 13806 SLTB I_NR D2/OS/B6 SLTD '13D26- 144~7 SLTD I_NR 02/05/I;)6 DATE REV BY COMMENTS DATE REV BY COMICENTS 0~06/96 O RIG INA l O OMPLETIO N 03/07rJ1 sis- IVH ,3'ONVERTE~,'TO CANVAS 03/10rJ1 SIS. IVD FINAL 01104,02 RN/TP CORRECTIONS MEMORANDUM TO: THRU' State of Alaska Alaska Oil and Gas Conservation Commission ,¥ Julie Heusser, ~'~\ DATE: March 27, 2001 Commissioner Tom Maunder, ~1.~_~'~ ~ P. I. Supervisor FROM: Jeff Jones, SUBJECT: Petroleum Inspector Safety Valve Tests Prudhoe Bay Unit BPX / F-Pad MarCh 27, 200t: I traveled to BPX's F-Pad in the Prudhoe Bay Field to witness Safety Valve System tests. Merv Liddelow, BPX representative in charge of testing, performed the tests in a safe and proficient manner. Ofthe 24 wells tested, 13 failures were witnessed. Wells F-01 and F,15 were shut in pending repairs. Mr. Liddel°w indicated to me that all other failures had been. corrected and successfully re-tested within 24 hours. The AOGCC test report is attached for reference. I condUcted 24 well house inspections concurrent with the SVS tests, with no eXceptions noted. SUMMARY; i witnessed SVS tests and conducted well house inspections on BPX's F-Pad in the Prudhoe Bay Field. 24 wells, 48 components tested. 13 failures. 27.08% failure rate.. 24 well house inspections conducted. Attachments' svs PBU F Pad 3-27-01 JJ ¢C,,; N ,O,N-CONFIDENTI,AL SVS PBU F Pad 3-27-01 JJ Alaska Oil and Gas Conservation Commission Safety Valve System Test Report Operator: BPX Operator Rep: Merv Liddelow AOGCC Rep: Jeff Jones Submitted By: Jeff Jones Field/Unit/Pad: PBF/PBU/F-Pad Separator psi: LPS 153 Date: 3/27/01 tIPS 650 i i ' ' ' " ' ' i i i :~ ' ' 2' ' ' ' ' ' ' - - ' I ii Ill I I'I I i Well Pemit Separ Set L/P Test Test Test Date Oil, WAG, GIN& Number Number PSI PSI T,rip Code Code Code Passed . ,GAS or CYCLE F-01 'i700460 '' 650 550 490 P 5 OIL F-02 1700560 650 550 530 P P ' ' OIL , ~ F-03 1~005'80 ' ' F-04 1710020' " .i3-05 1716090 650 ' '550 330 i '4 .... 0IL '13~06 1'710120 ...... F-07 172'0230 ................ ~'-'08" 174011'0 ........... F-09 i79'0~60 .... 650 " 55~ ' 540 "P 4 .... 0iL F-IOA 2000670 F-11A'' '2000620 '6~0 ' 55'0 ' '5'i0 P ~4 ............. OiL F-i2 ..... 17~j107(3 650 ' '550 530 P P " oil F-13A' ' 1961520 650 550 '" 5301 p ...... 4 .......... 0i£ F-14 1800120 F.i~ .........18113'66 650 ' 55'0 480: "3 e' ' ' OIL F-16A 19616001 650 550 410 P P OIL F-17A ..... 1"94i630' 153 i25 130 'P 'P ........ OiL 'F-'19 '' 1811060 ' ........... F-2i "' 1890560 " 153 " 125 '" 115 e 'P ..... 0IL F-22 ' 1'890620 " 650 550 0 2 e OiL F-23A 1990740 153 125 0 2 P OIL F-24 1831540 F.26A' -' 19~'i. 890 ................... F-27 1861690 F-28 1861590 F-29 1861330 F-30 1891100 F-31 18~1570 650 55'0 0 2 ' P .......... 0IL i3'32 '189033~) "' 650 550 '530 "e p .......... 0IL F-33 1960030 F~34A 1961090 ............... ~-35' 1880810! ' '650 550 " '480 P .... P ...... OIL ..~ ~,:x.~,~.~,.;~:,.,.,~.,,~..,,.~951960 .' 153 0 2 P ~~.~;t~,,:~,~.~,!~ ~. , , , 125 , 'i3IL ~:3~' ............................. 1890990 650 '550 530 P P ' OIL! RJF 1/16/01 Page 1 of 2 SVS pBu F Pad 3-27-01 JJ1 ii . . i _ i i i i 1 i .i i i , ii I . i, . i . "' Pilots I~$SV SSS Retest IVe, ll I ' ' ' '~ ' : I ' ' I I . I I i I[ I I I i _ I I I ' ' Well Permit Separ Set L)P Test Test Test Date Oil, WAG, GIN& Number Number PSI, PSI Trip. Code Code Code , Pass, ed GAS or CYCLE F-38 1901350 F-39 1901410 153 125i 115 P P OIL iF-40 1911170 650 550 550! P P ..... 0IL 'F-41 ' " 1911040 " 650 550 490! P P oiL F-42 1901580 650 550 530 P P OIL F-43 1910750 153 125 0 1 P OIL F-44 1910080 F-45 1910280 F-46 19017801 650 " 550 440 '3 P ...... OIL F.47A - , '2000550 ...... F-48 1910860 .......... Wells: .... 24 Components: 48 Failures: 13 Failure Rate: 27.08oA~0o var Remarks: FT,1, F71,5, s,,h, utyin,,, operator rep,orts that all ot ,her failures r, epaired and passed retest. RJF 1/16/01 Page 2 of 2 SVS PBU F Pad 3-27-01 JJ1 MEMORANDUM State of Alaska Alaska Oil and Gas Conservation Commission TO: Julie Heusser, ~' DATE: COmmissioner THRU: Tom Maunder, P. I. Supervisor ~.~ December 7, 2000 FROM: Jeff Jones, SUBJECT: Petroleum Inspector Safety Valve Tests Prudhoe Bay Unit BPX / F-Pad Thursday, December 7, 2000: I traveled to BPX's F-Pad in the Prudhoe Bay Field to witness Safety Valve System tests. Merv Liddelow, BPX representative in charge of testing, performed the tests in a safe and proficient manner. Of the 28 wells tested, 10 failures were witnessed. For the most part, frozen contaminants (water) in the block valves upstream of the pilots and in the SSV hydraulic control lines caused the failures. On 12/8/00 Mr." Liddelow indicated .to me that ail SVS failures had been corrected and successfully re-tested. The 17.8% SVS failure rate requires a 90-day test cycle for this pad. The AOGCC test report is attached for reference. I conducted 28 well house inspections concurrent with the SVS tests: Due to recent high winds, several well houses were drifted with snow inside. In addition, SVS hydraulic fluid leaks were noted on wells F-12 and F-13^. Mr. Liddelow indicated that these items would be addressed. No other exceptions were noted. SUMMARY: I witnessed SVS tests and conducted well house inspections on BPX's F-Pad in the Prudhoe Bay Field. 17.8% failure rate = 90 day test cycle. 28 wells, 56 components tested. 10 failures. 17.8% failure rate. 28 well house inspections condt~cted." ' Attachments: SVS PBU F Pad 12-7-00 JJ CC: NON-CONFIDENTIAL SVS PBU F Pad 12-7-00 JJ.doc J, Alaska Oil and Gas Conservation Commission Safety Valve System Test Report Operator: BPX Operator Rep: Merv Liddelow AOGCC Rep: Jeff Jones Submitted By: Jeff Jones Field/Unit~ad: PBF/PBU/F Pad Separator psi: LPS 156 Date: 12/7/00 HPS 828 Well Permit Separ Set LfP Test Test Test Date Oil, WAG, GIN J, Number Number PSI PSI Trip Code Code Code Passed GAS or CYCLE F-01 1700460 828. 550 525 P P OIL F-02 1700560 828 550 500 P P OIL F-03 1700580 F-04 1710020 156 1251 125 P P OIL F-05 1710090 F-06 1710120 ,, F-07 1720230 F-08 1740110 F-09 i790760 .... , F-10A 2000670~ F-11A 2000620 828 550 500 P P OIL F-12 1791070 828I' 550 '550' P P OIL F-13A 1961520 828" 550 525 P P OIL F-14 1800120 · F-15 1811300 828 '550 490 P P OIL F-16A 1961600 156 125 0 1 P. OIL F-17A 1941630 156 125 130 P P OIL F-19 1811060 F-21 1890560 156 125 125 P P OIL , F-22 1890620 156 125 125 P P OIL F-2~A 1990740 156 125 125 P P ' ' OIL F-24 1831540 F,26A 1981890! 156 125! 125 P 4 OIL ,, F-27 1861690' 828 550! 0 1 P OIL F-28 1861590 828 550 500 P P OIL F-29 1861330 828 550 · 250 3 ~ OIL F-30 1891100 F-3i 1861570 F-32 1890330 828 550! 520 P P OIL~ F-33 1960030 F-34A 1961090 ', F-35 1880810 828 550! 525 P P OIL F-36 1951960 828 550 0 2 P OIL! F-37 1890990 828 550 550 P P OIL 12/13/00 Page 1 of 2 SVS PBU F Pad 12-7,00 JJ.xls Well Permit Separ Set L/P Test Test Test Date oa, WAC, Number Number PSI PSI Trip Code Code Code Passed GAS or CYCLE I1 I F-38 1901350 F-39 1901410 156 125' 125 P P OIL , F-40 1911170' 828 550 0 1 5 OIL ,,, F-41 1911040 828 550 530 P P OIL F-42 1901580 F-43 1910750 156 125 125 P P OIL F-44 1910080 F-45 1910280 ~}8 550 0, 1 P OIL F-46 1901780 828 550 50 ~ P OIL F-47A 20003~0 156 125 130 P P OIL , F-48 1910860 156 125' 100 P P OIL . Wells: 28 Components: 56 Failures: 10 Failure Rate: 17.8%~]90 Day Remarks: 12/13/00 Page 2 of 2 SVS PBU F Pad 12-7-00 JJ.xls ANNULAR INJECTION DATA ENTRY SCREEN Asset ~.Q&... ....................................... Rig Name .1.~J~ ............................................. Inj Well Name F.:;~.~. ............................................ Sur Csg Dep 3.6.~..1 ................. Cumulative Data Legal Desc g'6'~;~'.bI~.I~.~.8.7.1~.'.~EL~.8.e~.2,.T..1.1~,.B.I.~IE .................................... Permit Start ....... .1~.1.~/.~5 ....... Rig comPletiOn Formation Wash FluidS ~; Fiuids ~,eeze Freeze Permit End ....... 'J.~.'1..8/.~t.8.., .... Intermittant Final Well Total Mud/Ctg Daily-Data IF-~iI~ ............................. I-O'~'/~"B-/~i~ ............... l:i-b'O .............................. I ............................................................. I ............. F'36 01/16/96 1650 II ' 01/17/96 465 lF'36 ........ i.-_.]'~'i-/-~7~- ..... i] ~ ............. 1 ............ 1 .... lF'36 .......... '-'l'~'i7~/~' ........... -1~'~ ...... -I ............. : ...... I ...... [~ii ............. '""I~iZ~X~ ..... ] .......................... 1~'~'~ ............. ~ ....... ~'~' ...................... I ................................. ~ ................... "-'1'~'~'~ ............ '"] ......................................... ] ............................ ~-~" l =-§6- ............... '-'-'1-6'~-]-29/96 /273 =-36 j01/30/96 =-36 J ~ 1-'~-~/--~ F-36 /~/'~§~ F-36 /02/03/96 F-36 102/03/96 F-36 102/04/96 :-36 102/05/96 ]'~J-6-~T~ 02/07/96 F-36 187 i157 175 ¸92 154 30 171 .10 213 1,100 831 109 100 650 465 175 163 _~25 220 ~-~,-~ .................. 15 120 481 200 273 187 157 175 92 367 1,130 1,002 134 120 Research 4 BP.M, 800 PSI 4 BPM, 800 PSI 3 BPM, 800 PSI 2 BPM, 600 PSI 2.5 BPM, 750 PSI 2 BPM, 600 PSI 2 BPM, 600 PSI 4 BPM, 700 PSI 3.5 BPM, 750 PSI 2.5 BPM, 650 PSI 3 BPM, 700 PSI 3 BPM, 650 PSI 3 BPM, 650 PSI 3 BPM, 650 PSI 3 BPM, 800 PSI 3 BPM, 750 PSI 3 BPM, 700 PSI 3 BPM, 750 PSI 3 BPM, 750 PSI 2.3 BPM, 900 PSI ~0 3/4" 45.5# NT80 x 7 5/8" 29.9# S-(. Open are'd rvlces rilling 900 East Benson Boulevard, MB 8-1 · Anchorage, Alaska 99508 (907) 561-5111 Fax: (907) 564-5193 December 14, 1998 Wendy Mahan Natural Resource Manager Alaska Oil & Gas Conservation Commission 3001 Porcupine Dr. Anchorage, AK 99501-3192 RECEIVED Re: Annular Disposal Information Request DEC 14 1998 Dear Ms. Mahan: ' Alaska Oil & Gas Cons. Commission Anchorage On October 28, 1998 you requested an update from Shared Service Drilling regarding Annular Disposal Records from July 25, 1995 through present time. We compared your list with our records and are able to provide you with the following data: · Individual Annular Disposal Logs from the SSD database Which coincide with the approved wells on your attached AOGCC Annular Log, The.SSD records are provided to you' in the same order as listed on your log. · There were some wells on your list which were not injected into. These wells are identified as follows: · Endicott wells 1-03/P-16, 1,65/N-25, 1-59/0-24 · EXploration well Pete's Wicked #1 · Milne Point wells E-22, E-23, F-O1, L-16, J-19, L-25, F-30, L-21, K-38, NMP #1 , K-05, K-02, H-07, K-25, K-37, E-17, F-21, K-30, K-34, K,21i, F-66, K-06, K-54, K-33, F-49i, K-18 · PBU Wells E-38, 18-34, 15,42, S-29A, 15-46, B-36, 15-43, 11-38 · The reason many of these annuli were not used is because the waste materials generated from these wells were injected into other approved annuli. Hopefully the injection logs submitted with this letter will clarify this. In addition, please note that our records show: · The wells listed above in italics were permitted but not used for annular disposal. · The wells listed above in BOLD were not permitted for annular disposal. Wells drilled after June 6, 1996 were required by SSD procedure to be permitted with a SUndry ' Approval (10-403) form. Our records show that no Sundry Approval for Annular Disposal was filed for these wells. Wells drilled between July 25, 1995 and June 6, 1996 were automatically approved for annular disposal with the Permit to Drill. · We also provide you with a cumulative report from our database of records from July 25, 1995 through the present. From those records, we show the following wells' not listed on your report were used for annular disposal: ,.Annular Disposal Letter 12/14/98 Endicott wells i-23/O-15, 1-61/Q-20, 2-40/S-22 · · Exploration well Sourdough #3 - · ~wi~ne ~ointwellsF-06, H~05, H-06, J-13, L-24 - · PBU wells-18-30, 18-31, 14-~,~-43, ~-34, E-36, G-~A, ~d S-33- . . . ~-oS 3~-~0 ' q~.o~ ·~,d,~ld~a ~og~ ~ provided to ~o~ ~ t~s~ ~ogs ~s w~. · Finally, our records show that the B-24 outer annulus was left open (see attached correspondence) Thank you for the opportunity to provide clarity to these records. If I can be of any further assistance please do not hesitate to contact me at 564-5183, or Karen Thomas, Environmental Advisor at 564-4305. Sincerely, Fritz P. Gunkel Shared Service Drilling Manager FPG/KMT cc: Dave Wallace - HSE Manager (w/out attachments) NOV IL ~ 200~ RECEJVED Alaska 0il & 6as 00ns. C0mmissio~ Anchorage Shared SerVice Drilling Annd~ar Injection Volumes July 25, 1995 until December 1998 Cumulative Report surface casing Rig Inj Well Depth Legal Desc Endicott Doyon 15 1-19/I-18 5000 Doyon 15 1-23/O- 15 4246 Doyot~ 15 1-33/M-23 5013 Sec. 36, T12N, R16E _ . 2020'FNL, 2087'FEW, SEC.36,T12N,R16E 3217'NSL, 2114'WEL, Sec 36,T12N, R16E Cum Mud Cum Total & Ctgs 8,96O 7,848 32,084 30,604 ...... 9,879 9,729 Cum Rig Cum Compl Cum Form Cum Interm Cum Final Disposal Period Annulus Wash Fluids Fluids Freeze Freeze Slad End Slalus . _ . 992 120 12/5/95 12/5/96 Open 1,160 200 120 9/30/95 12/31/95 Open 150 8/31/95 12/31/95 Broached D0yol3 15 1-61/Q-20 4236 3075'NSL~ 2207'WEL, Sec 13.T12N, R16E 25.228 21,379 . _ Doyon 15 2-40/S-22 4531 2020'FNL, 2289'FEL, Sec 36,T12N, R16E 31,195 29,952 EOA 1,063 120 60 7/25/95 1 2/31/95 Open Doyon 14 15-47 3515 3648'NSL, 4956'WEL, Sec 22,T11N, R14E 3,002 903 2,009 90 11/7/95 12/31/95 Open ~)oyon 14 DS 15-45 3829 4749' NSL. 5180' WEL, Sec. 22, T11N, 1,882 1,697 134 51 4/4/96 4/4/97 Broached ~)oyon 14 DS 15-48 3548 Sec. 22, T11N, R14E 3,385 216 820 2,283 66 12/21/95 12/21/96 Open ~)oyon 14 DS 15-49 3667 4676' NSL, 5165' WEL, Sec. 22, T11N, 4,669 1,559 1,141 1,904 65 2/21/96 2/21/97 Open ;)oyon 9 18-30 3930 1499'SNL, 26'WEL, Sec 24,T11 N, R 14E 2,266 936 380 800 150 7/25/95 12/31/95 Open )oyon 9 18-31 3680 3719'NSL, 64'WEL, Sec 24,T11N, R14E 6,086 2,250 1,100 2,565 171 7/26/95 12/31/95 Open )oyon 9 18-32 3830 3632'NSL, 41'WEL, Sec 24,T11N, R 14E 3,31 ! 1,861 200 1,100 150 8/24/95 12/31/95 Open )oyon 9 18-33 4140 3690'NSL, 56'WEL, Sec 24,T11N, R14E 5,215 2,050 3,035 10 120 9/28/95 12/31/95 Open Jabors 18E 12-35 3543 348'NSL, 705'WEL, Sec 18,T10N, R14E 3,723 3,436 137 150 9/1/95 12/31/95 Open labors 18E 12-36 3452 63'FSL, 899'FEL, Sec 18,T10N, R15E 4,002 1,961 50 1,871 120 10/13/95 12/31/95 Open labors 18E 13-36 3431 1585'NSL, 5187~NEL, Sec 13,T10N, R14E 4,137 3,523 464 150 10/26/95 12/31/95 Open labors 18E 14-44 3288 2829'NSL, 1617'WEL, Sec 9,T10N, R14E 3,974 2,319 1,535 120 8/17/95 12/31/95 Open xploration ool 4 Sourdough #3 4236 2245'FSL, 5067' FEL, Sec. 29, T9N, R24E 5,786 4,630 1,156 1/26/96 1/26/97 Closed lilne 27E MPK-17 3508 3648'NSL,2100'WEL, Sec.03,T12NR11E 19,608 18,538 285 685 100 4/18/96 4/18/97 Open abors 22E MPC-23 4941 1038 NSL, 2404 WEL, Sec 10,T13N, 2,060 1,800 130 130 1/25/96 1/25/97 Open abors 22E MPC-25 8595 1143'FNL, 2436'FWL, Sec 10,T13N, R10E 1,905 1,465 300 - 140 1/5/96 1/5/97 Open abors 22E MPC-26 4704 1086 NSL, 2419 WEL, Sec 10,T13N, 5,228 4,483 555 190 12/19/95 12/19/96 Open abors 22E MPC-28 5405 Sec 10,T13N, R10E 425 350 75 2/15/96 2/15/97 Open Page I NOV I '2002 Sha~..d Service DHIling Annufar Injection Volumes July 25, 199~ until December 1998 Cumulative Report Surtace Casing Rig Inj Well Depth Nabors 22E MPF-06 8766 _ . Nabors 22E MPF-14 6690 Nabors 22E MPF-70 7919 Nabors 22E MPH-05 5335 Cum Mud Cum Rig Cum Compl Cum Form Cum Inlerm Cum Final Disposal Period Legal Desc Cum Total & Ctgs Wash Fluids Fluids Freeze .... Freeze Start End 196 1/25/96 1/25/97 Sec 06.T13N, R10E 1,927 1,731 . . Sec'06,T13N, R10E UM . 18,717 17,107 1,270 . ..37._0_ _6/3/96 . 6/3/97 2189'NSL 2591'WEL, SeC6,T13N, R10E 19,775 18,794 735 ..... .... 190 _ _~6 6/17/96 6/17/97 . . . 2882'NSL 40281NEL, Sec 34,T13N, R10E 8,283 7,711 382 190 8/19/95 12/31/95 Annulus Status Open ._. Open Open Open Nabors 22E Nabors 22E Nabors 22E Nabors 22E Nabors 27E MPH-06 MPI-07 MPJ-13 7304 2824;NSL 4044'WEL, Sec 34,T13N, R10E 8,515 . 8,335 2680 2339'NSL 3906'WEL, Sec 33,T13N. R10E 1,680 1,280 2835 2319'NSL 3179'WEL. Sec 28,T13N, R10E 14,127 13.292 180 8/5/95 12/31/95 Open 250 80 70 9/21/95 1 2/31/95 Open 645 60 130 10117/95 12/31/95 Open MPJ-16 3112 B-24 4080 2317'NSL 3336'WEL, Sec 28.T13N, R10E Sec 18,T13N, R11E UM 985 915 1,468 1.396 72 70 11/12/95 12/31/95 Open 1/25/96 1/25/97 Open MPF-22 8841 sec 06,T13N, R10E UM 6,536 6,466 1857'NSL, 2696'WEL, sec 6,T13N, R10E 70 1 2/12/95 12/12/96 Open 12/26/96 Open Nabors 27E Nabors 27E MPF-25 3405 ' 9,897 9,357 250 225 65 12/26/95 Nabors 27E MPF-37 6621 1931'NSL, 2643'WEL, Sec 6,T13N, R10E 7,032 6,887 .70 75 7/25/95 12/31/9u O )eh Nabors 27E MPF-38 8561 1994'NSL, 2731'WEL, Sec 6,T13N, R10E 9,232 9,157 75 12/6/95 12/31/95 O )en Nabors 27E MPF-45 6678 1979'NSL, 2608'WEL, Sec 6,T13N,'R_10E 17,562 17,381 181 7/31/95 12/31/95 O )eh Nabors 27E MPF-53 6750 2028'NSL, 2572'WEL, Sec 6,T13N R10E 6,051 5,671 165 75 60 80 8/19/95 12/31/95 O)en Nabors 27E MPF-61 6585 2077'NSL, 526'WELl Sec 31 ,T14N, R10E 5,732 5,657 75 8/31/95 12/31/95 O ~en Nabors 27E MPF-62 6059 2141'NSL, 2627'WEL, Sec 6,T13N, R10E 386 316 70 10/13/95 12/31/95 O )en Nabors 27E MPF-89 5772 2125'NSL, 2502'WEL, Sec 6,T13N, R10E 9,740 91665 75 8/31/95 12/31/95 O~en Nabors 27E MPF-78 7085 2237'NSL, 2555WVEL, Sec 6,T13N, R10E 8,476 7,456 40. 775 65 140 9/12/95 12/31/95 O ~en Nabors 27E MPL-24 6515 3654'NSL, 5180'WEL, Sec 8,T13N, R10E 6,790 4,900 1,320 165 335 70 11/27/95 12/31/95 O ~en WOA 18E F-33 3570 3332'NSL, 2174'WEL, Sec 2,T11N, R13E 1,468 183 660 465 160 2/21/96 2/21/97 Open 18E F-36 3691 2642'NsL, 2878~/VEL, Sec 2,T11N, R13E 6,963 1,998 1,359 - 3,471 135 12/1179_5__ __1.2/__1.8_/9__~6. Open _.. ~)oyon 9 D-30 3456' 3625' NSL, 1066' WEL, SEC. 23, TllN; 5,261 2,811 1,275 1~035 140 1/31/96 1/31/97 Open 3oyon 9 D-31 3215 SEC. 26, TllN, R13E 150 150 4/20/96. 4/10/97 Open 3oyon 9 D-33 3PPP 2965' NSL, 1067' WEL, SEC. 23,-TllN, 4,661 2,425 2,106 130 2/21/96 2/21/97. Open ~labors 18E S-43 3121, 4211,NSL,4503'WEL,SEC35,T12N, R12E 5,943 2,636 1,716 1,511 80 5/7/97 - 5/7/98 OPEN Page 2- Shared Sea'vice Dr..illing Ann~i~'r injection Volumes July 25, 1995. until December 1998 Cumulative Report Sudace Casing Rig Inj Well Depth Nabors 28E B-33 3504' . Nabors 28E E-34 3664 Nabors 28E E-36 3648 Nabors 28E E-37 3810 Cum Mud Cum Total & Ctgs Legal Desc ....... 969'SNL, 1898'EWL, Sec 31, T11N, R14E 3,974 2,842 168'SNL, 500'WEL, Sec 6, T1 ? N' R14.E ....... -9-'65~6~- ........... 7,228 1706'SNL, 822'WEL, Sec 6~TllN, R14E __9.,_2_7_1 ..... 4717 .. 3391 'NSL, 881'WEL, Sec 6,T11 N, R 14E 4,695 4,241 Cum Rig Cum Compl Cum Form Cum Interm Cum Final Wash Flu~s Fluids Freeze Freeze 857 195 80 _ 1,420 858 40 110 1,293 3,096 365 100 374 80 Disposal Period Annulus Start End Status 5/1/96 12/31/96 Broached 8/23/95 12/31/95 Open 7/25/95 12/31/95 Open 9/16/95 12/31/95 Open Nabors 28E E-39 3638 3358'NSL, 501'WEL, Sec 6,T11N. R14E 2,250 Nabors 28E G-04A 3509 2917'NSL, 1974'WEL, Sec 12,T11N, R13E 5,937 Nabors 28E G-21 3509 2911'NSL. 2368'WEL. Sec 12,T11N. R14E 11,430 . Nabors 28E S-24 2750 1633'SNL, 4228'WEL, Sec 35;T12N, R12E 20,261 Nabors 28E S-33 2958 1639'SNL, 1487'WEL, Sec 35,T12N, R12E 18,014 928 220 1,022 1,798 1,824 2.315 ........ 3,956 3,072 4,270 70 80 11,773 2,177 5,751 275 285 6,613 2,431 8,392 270 308 8/28/95 12/31/95 Open 10/20/95 12/31/95 Open .. · . 9/8/95 12/31/95 Open 12/9/95 1 2/9/96 Open 12/1/95 12/1/96 Open Nabors 28E S-41 3331 4152' NSL, 4504' WEL, Sec 35,T12N, 8,062 4,159 2,034 1,754 115 2/8/96 2/8/97 Open Nabors 28E S-42 3077' Sec 35, T12N, R12E 168 100 68 3/13/96 3/13/97 Open Nabors 2ES H-35 3157 4535'NSL, 1266'WEL, Sec 21,T11N, R13E 4,860 3,725 555 480 20 80 10/26/95 12/31/95 Open Nabors 2ES H-36 3550 4478'NSL, 1265'WEL, Sec 21 ,T11N, R13E 1,452 857 100 410 85 .... 10/26/95 12/31/95 Open Page 3 h ared oWices.. rilJing TO: Blair Wondzell FROM: Chris West DATE: October 27, 1995 SUBJECT: MPB-24 Well Suspension APl # 50-029-22642 Blair; Please find attached a copy of the Form 10-403 to temporarily suspend this well as per AOGCC 20- AAC 25.110; As discussed this morning we propose setting three plugs in this well as detailed in the attached form. This will allow us to retain the wellbore for potential future sidetrack or service well use. We would like to keep the well's 9-5/8" x 7" annulus available for the injection of liquid 'wastes. There are no other well annulii on this pad for injection. The annulus for MPB-24 was approved for injection as part of the permit dated 25 January 1996. The annulus will be freeze protected bef, ore moving the rig. ' Thank you for your help in this matter. Please call me if I maY be of any assistance. Chris West Drilling Operations Engineer ' ' Nabors 27E (907)-564-5089 PERMIT AOGCC Individual Well Geological Materials Inventory DATA T DATA PLUS Page: 1 Date: 02/25/98 RUN RECVD 95-196 95-196 GR/EWR4 -MD GR/EWR4 - TVD 8818-14520 6919-9025 5-13 08/22/96 5-13 08/22/96 95-196 7403 & oft ./~/8741-14480 10-407 u.4~COMPLE~ I ON DATE~ DAILY WELL OPS R Are dry ditch samples required? yes ~And received? 5-13 08~29/96 ~/~£ /~? ¢ I ~l~ lq~ ~1~1~1 Was the well cored? Are well tests required? yes n~.Received? Well is in compliance /~ Ini%ial COMMENTS yes ~Analysis & description received? ye~L__D~ .... 0 F11 I--I_ I I~J I::S WEI,L LOG TRANSMITTAL To: State of Alaska August 28, 1996 Alaska Oil and Oas Conservation Comm. Attn.: Howard Okland 3001 Porcupine Dr. Anchorage, Alaska 99501 MWD Formation Evaluation Logs - F-36 RE: AK-MM-960103 The technical data listed below is being submitted herewith. Please acknowledge receipt by remming a signed copy of this transmittal letter to the attention of.' fan Gal~ Sperry-Sun Drilling Services, 5631 Silverado Way, #G, Anchorage, AK 99518 1 LDWG formatted LIS tape with verification listing. API#: 50-029-22631-00 5631 Silverado Way, Suite G · Anchorage, Alaska 99518 ° (9.07) 563-3256 · Fax (907) 563-7252 A Dresser Industries, Inc. Company WELL LOG TRANSMITTAL To: State of Alaska August 21, 1996 Alaska Oil and Gas Conservation Comm. Atm.' Howard Okland 3001 Porcupine Dr. Anchorage, Alaska 99501 'i'D MWD Formation Evaluation Logs - F-36, AK-MM-960103 The technical data listed below is being submitted herewith. Please acknowledge receipt by returning a signed copy of this of this transmittal letter to the attention of.' Jim Galvin, Sperry-Sun Drilling Services, 5631 Silverado Way, #G, Anchorage, AK 99518 2"x 5" MD Resistivity and Gamma Ray Logs: 50-029-22631-00 1 Blueline 1 Rev Folded Sepia 2"x 5" TVD Resistivity and Gamma Ray Logs: 50-029-22631-00 1 Blueline 1 Rev Folded Sepia 5631 Silverado Way, Suite G · Anchorage, Alaska 99518 · (9.07) 563-3256 · Fax (907) 563-7252 A Dresser Industries, Inc. Company STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION WELL COMPLETION OR RECOMP LETION REPORT AND LOG 1. Status of Well Classification of Service Well OIL [] GAS [] SUSPENDED [] ABANDONED [] SERVICE [] 2. Name of Operator 7. Permit Number _BP Exploration 95-196 3. Address 8. APl Number P. O. Box 196612, Anchorage, Alaska 99519-6612 ,~ . .. ~ 5o-029-22631 4. Location of well at surface .~f~-~ F; 9. Unit or Lease Name ,~ ¥~..~F~ Prudhoe Bay Unit 2642' NSL, 2878' WEL, SEC. 2, T11N, R13E lO. Well Number At Top Producing Interval '..--- 4727' NSL, 616' WEL, SEC. 34, T12N, R13E i ~:'-''' ~ :: ': '~.~ ':' '; i, ' i F-36 i.~,;~~i ~[.-~~: 11. Field and Pool At Total Depth .... Prudhoe Bay Field/Prudhoe Bay Pool 270' NSL, 4421' WEL, SEC. 26, T12N, R13E .i 5. Elevation in feet (indicate KB, DF, etc.) 6.'-Le~se.'T'D~s~gn~at[on and Serial No. KBE = 68.05 ADL 028277 ~'2. Date Spudded 13. Date T.D. Reached 14. Date Comp., Susp. or Aband. 115. Water Depth, if offshore 16. No. of Completions 12/29/95 01/23/96 02/06/96I N/A feet MSL One 17. Total Depth (MD+TVD) 18. Plug Back Depth (MD+TVD) 19. Directional Survey 120. Depth where SSSV set 21. Thickness of Permafrost 14520' MD/9025' TVD 14520' MD/9025' TVD YES [] NO []I 2208 feet MD 1900' (Approx.) 22. Type Electric or Other Logs Run .Gyro, L WD: DIR/FE, GR/DIR, RES 23. CASING, LINER AND CEMENTING RECORD SE'i-rING DEPTH MD CASING SIZE WT. PER FT. GRADE TOP Bo-FrOM HOLE SIZE CEMENTING RECORD AMOUNT PULLED 20" 91.5# H-40 Surface 110' 30" 260 sx Arctic Set (Approx.) 10-3/4" 45.5# NT80 30' 3691' 13-1/2" 12oosxcs#/, 375sx 'G', 262sxCS# 7-5/8" 29. 7# USS-95 27' 12842' 9-7/8" 265 sx Class 'G' 4-1/2" 12.6# L-80 12696' 14520' 6-3/4" Uncemented Slotted Liner 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 IMD) 4-1/2" Slotted Liner 4-1/2" 12378' 12321' MD 7'VD _~6. ACID, FRACTURE, CEMENT SQUEEZE, ETC. DEPTH INTERVAL (MD) AMOUNT & KIND OF MATERIAL USED 12788'- 13806' 8836'- 8926' Freeze Protect w/lO0 Bbls Diesel 13926'- 14497' 8965'- 9024' 27. PRODUCTION TEST Date First Production Method of Operation (Flowing, gas lift, etc.) March 5, 1996 Gas Lift Date of Test Hours Tested PRODUCTION FOR OIL-BBL GAS-MCF WATER-BBL CHOKE SIZE IGAS-OIL RATIO TEST PERIOD II~ Flow Tubing Casing Pressure CALCULATED,~ OIL-BBL iGAS-MCF WATER-BBL OIL GRAVITY-APl (corr) Press. 24-HOUR RATE 28. CORE DATA Brief description of lithology, porosity, fractures, apparent dips, and presence of oil, gas or water. Submit core chips. 0 R I Gi NA L o Al&ska 0il & Gas Cons. Commission Form 10-407 Submit in duplicate Rev. 7-1-80 CONTINUED ON REVERSE SIDE 30. GEOLOGIC MARKERS FORMATION TESTS NAME Include interval tested, pressure data, all fluids recovered and gravity, MEAS. DEPTH TRUE VERT. DEPTH GOR, and time of each phase. Sag River 12805' 8839' Shublik 13770' 8915' Sadlerochit 14148' 9004' 31. LIST OF A'FI'ACHMENTS 32. I hereby certify that the foregoing.~is true and correct to the best of my knowledge ~ '~/~/~tf¢ ~,,.,~/3~,¢~-~ Title Senior Drilling Engineer Date - Signed' ~ ¢ '~ ¢'~ 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 SurfCsgDep 3691 -- -- Total [i~i~i~:;~t~ Cum Mud/Ctg ~!!~ I Cum Brine Cum Water ~t~ii Cum Dies/FP VOLUME (BBLS' Method of displosal=pumping down outer annulus I SOURCE WELL DATE OF MUD/CTGS BRINE WATER DIESEL/FREEZEIDaily Cum. Total COMPLICATIONS, COMMENTS NUMBER INJECTION PROT. I F-36 1/15/96 100 [ i~ii~ ~i~ii 4 BPM , 800 psi F-36 1/16/96 650 i ~ ~ i4 BPM, 800 psi F~36 1/17/96 465 i ~ i~ii~ii[~' 3 BPM, 800 Psi F-36 --- 1/1 8/96 1 75 ~ ~ ~ ~2 BPS, 600 psi F-36 1/20/96 163 ~ ~ ~'".~ ~ 2.5 BPM,750 psi F-36 /21/96' 225.00 2 PM, 600 psi F-36 1/24/96 220.00 ~ ~ ~2BPM,6OOPSI F-36 1/26/96 0.00 537.00 110.00 0.00 :.~ ~[~ ~4BPM,7OOPSl __ F-36 1/27/96 0.00 481.00 0.00 0.00 ~ ~?; 3.5BPM,750 PSI F-36 1/28/96 0.00 200.00 0.00 0.00 ~ ~ ~ ~?~=;2.5BPM,650 PSI F-36 1/29/96 0.00 0.00 273.00 ~[;: ~ ~' 3 BPM, 700 PSI F-36 - 1/30/96 0.00 0.00 187.00 ~ ~::~ ~:3 bpm,650 PSI F-36 -- 1/31/96 0.00 0.00 157.00 0.00::~::~; ~ ~:~3BPM 650PSI F-36 2/2/96 0.00 0.00 175.00 0.00 ::;' ~::; ~ :~ ~ ?~:.:~3 BPM, 650 PSI F-36 2/3/96 0.00 0.00 92.00 0.00 ?=?:?:~ ~ ~ 3 BPM, 800 PSI F-36 2/3/96 0.00 213.00 154.00 0 O0 ~ ~:.: 3 BPM, 750 PSI F-36 2/4/96 0.00 1100.00 30.00 0.00 ~:.~ ~ 3 BPM, 700 PSI F-36 2 / 5 / 9 6 O. 00 831.00 171.00 0 0 ~ :: :: ;::?~ ~.~:.~.00 :. 3 BPM, 750 PSI F-36 2/6/9 6 O. O0 109. O0 10. O0 15. O0 : ~ ~ ;':;::~ :::::. ~' ~'~;~:~;. 3 BPM, 750 PSI. F-36 2/7/96 0.00 0.00 0.00 120.00..:.~:~.~ :.:.:: :'::.?~?.~?:~0:~2.3 BPM, 900 PSI 10 3/4" 45.5~ NT80 X 7 5/8" 29.9 ~ S-96 ~: :::::::::::::::::::::::::::::::::: -- SUMMARY OF DALLY OPERATIONS SHARED SERVICES DRILLING - BPX ! ARCO Well Name: F-36 Rig Name: Nabors 18E AFE: Accept Date: 1 2/28/95 Spud Date: 1 2/29/95 Release Date: 4P0737 02/06/96 Dec 25 1995 (1) - Dec 28 1995 (4) Rig moved 100 %. Rigged up Divertor. Dec 29 1995 (5) Rigged up Divertor. Made up BHA no. 1 . Tested Divertor. Made up BHA no. 1 Circulated at 77 ft. Drilled to 590 ft. Repaired Fluid system. Drilled to 1083 ft. Pulled out of hole to 100 ft. R.I.H. to 1083 ft. Drilled to 1150 ft. Dec 30 1995 (6) Drilled to 2199 ft. Pulled out of hole to 1050 ft. R.I.H. to 2190 ft. Drilled to 3103 ft. Pulled out of hole to 2150 ft. R.I.H. to 3090 ft. Drilled to 3260 ft. Dec 31 1995 (7) Drilled to 3711 ft. Circulated at 3711 ft. Pulled out of hole to 300 ft. R.I.H. to 3690 ft. Circulated at 3711 ft. Pulled out of hole to 213 ft. Pulled BHA. Rigged up Casing handling equipment. Held safety meeting. Ran Casing to 3691 ft (10.75 in OD). Circulated at 3691 ft. Mixed and pumped slurry - 410 bbl. Mixed and pumped slurry - 77 bbl. Displaced slurry - 347.6 bbl. Jan I 1996 (8) Mixed and pumped slurry 45 bbl. Rigged down Cement unit. I'~(~ C ~ ? E Rigged down Divertor. Rigged up BOP stack. Repaired Blind ram. Tested All functions. Made up BHA no. 2. R.I.H. to 3606 ft. Circulated at 3606 ft. Tested Casing - Via annulus and string. APR 0 9 1996 Jan 2 1996 (9) Alaska 0il & Gas C0r~s. C0mrnissi0,q Held drill (Kick (well kill)). Drilled to 3721 ft. Performed formation integrity test. Drilled to 3831 ft. Serviced Mud pumps. Repaired Mud pump fluid end. Pulled out of hole to 679 ft. Pulled BHA. R.I.H. to 3831 ft. Drilled to 4337 ft. Repaired Mud pumps. Drilled to 4863 ft. Pulled out of hole to 3800 ft. R.I.H. to 4850 ft. Drilled to 5080 ft. Operations Summary for: , .,6 Jan 3 1996 (10) Drilled to 5819 ft. Pulled out of hole to 4800 ft. R.I.H. to 5808 ft. Drilled to 6840 ft. Jan 4 1996 (11) Drilled to 6884 ft. Pulled out of hole to 5800 ft. R.I.H. to 6884 ft. Circulated at 6884 ft. Took Gyro multi-shot w/line survey. Circulated at 6884 ft. Pulled out of hole to 679 ft. Pulled BHA. Installed Bore protector. Made up BHA no. 3. R.I.H. to 6795 ft. Reamed to 6884 ft. Drilled to 7340 ft. Repaired Mud pumps. Drilled to 7475 ft. Jan 5 1996 (12) Drilled to 7847 ft. Pulled out of hole to 6800 ft. R.I.H. to 7838 ft. Drilled to 8770 ft. Jan 6 1996 (13) Drilled to 8819 ft. Circulated at 8819 ft. Pulled out of hole to 679 ft. Pulled BHA. Installed Bore protector. Made up BHA no. 4. Serviced Block line. R.I.H. to 8760 ft. Washed to 8819 ft. Drilled to 9650 ft. Jan 7 1996 (14) Drilled to 9832 ft. Circulated at 9832 ft. Pulled out of hole to 8754 ft. R.I.H. to 9832 ft. Drilled to 10742 ft. Jan 8 1996 (15) Drilled to 10839 ft. Circulated at 10839 ft. Pulled out of hole to 9775 ft. R.I.H. to 10839 ft. Drilled to 11888 ft. Circulated at 11888 ft. Jan 9 1996 (16) Circulated at 11888 ft. Pulled out of hole to 688 ft. Pulled BHA. Tested All functions. Made up BHA no. 5. R.I.H. to 8833 ft. Logged hole with LWD: Formation evaluation (FE) from 11840 ft to 11888 ft. Circulated at 11888 ft. Drilled to 11916 ft. Jan 10 1996 (17) Drilled to 12156 ft. Repaired Mud pumps. Drilled to 12324 ft. Page 2 Operations Summary for: , .,6 Jan 11 1996 (18) Drilled to 12416 ft. Serviced Liner. Drilled to 12570 ft. Cir- culated at 12570 ft. Pulled out of hole to 246 ft. Pulled BHA. Made up BHA no. 6. R.I.H. to 2000 ft. Jan 12 1996 (19) R.I.H. to 12520 ft. Logged hole with LWD: DIR/FE from 12520 ft to 12570 ft. Drilled to 12847 ft. Tested Mud pumps. Pulled out of hole to 300 ft. Jan 13 1996 (20) Pulled out of hole to 216 ft. Pulled out of hole to 1000 ft. Pulled BHA. Removed Wear bushing. Installed Wear bushing. Rig waited: Downhole fish. Made up BHA no. 7. R.I.H. to 10970 ft. Singled in drill pipe to 12830 ft. Circulated at 12830 ft. Fished at 12844 ft. Pulled out of hole to 120 ft. Laid down fish. Jan 14 1996 (21) Made up BHA no. 8. R.I.H. to 10900 ft. Reamed to 12847 ft. Circulated at 12847 ft. Pulled out of hole to 10940 ft. R.I.H. to 12847 ft. Circulated at 12847 ft. Laid down 3250 ft of 5 in OD drill pipe. Jan 15 1996 (22) Laid down 12657 ft of 5 in OD drill pipe. Pulled BHA. Removed Wear bushing. Rigged up Top ram. Tested BOP stack. Rigged up Casing handling equipment. Held safety meeting. Ran Casing to 11887 ft (7.625 in OD). Jan 16 1996 (23) Ran Casing to 12842 ft (7.625 in OD). Circulated at 12842 ft. Mixed and pumped slurry- 55 bbl. Rigged down Casing handling equipment. Installed Seal assembly. Rigged up Top ram. Fill pits with Water based mud. Tested BOP stack. Rigged up Kelly/top drive hose. Made up BHA no. 9. Singled in drill pipe to 3500 ft. Serviced Block line. Singled in drill pipe to 5000 ft. Jan 17 1996 (24) Singled in drill pipe to 7000 ft. Tested Kelly cocks. Singled in drill pipe to 12680 ft. Drilled cement to 12753 ft. Circulated at 12753 ft. Tested Casing - Via annulus. Held drill (Kick (well kill)). Drilled cement to 12857 ft. Circulated at 12857 ft. Drilled to 13000 ft. RECEIVED Ar~ci~orage Page 3 Operations Summary for: Jan 18 1996 (25) Drilled to 13000 ft. Circulated at 13000 ft. Pulled out of hole to 203 ft. Pulled BHA. Made up BHA no. 10. R.I.H. to 13000 ft. Drilled to 13086 ft. Circulated at 13086 ft. Pulled out of hole to 227 ft. Pulled BHA. Made up BHA no. 11 . R.I.H. to 1000 ft. Jan 19 1996 (26) R.I.H. to 13049 ft. Reamed to 13086 ft. Drilled to 13586 ft. Jan 20 1996 (27) Circulated at 13586 ft. Pulled out of hole to 233 ft. Pulled BHA. Made up BHA no. 12. R.I.H. to 13586 ft. Drilled to 13813 ft. Jan 21 1996 (28) Drilled to 13828 ft. Circulated at 13828 ft. Pulled out of hole to 227 ft. Pulled BHA. Made up BHA no. 13. R.I.H. to 3000 ft. Serviced Block line. R.I.H. to 13828 ft. Drilled to 13840 ft. Repaired SCR. Drilled to 13856 ft. Logged hole with LWD: Forma- tion evaluation (FE) from 13800 ft to 13856 ft. Drilled to 13955 ft. Jan 22 1996 (29) Drilled to 14212 ft. Circulated at 14212 ft. Pulled out of hole to 13412 ft. Jan 23 1996 (30) Pulled out of hole to 226 ft. Pulled BHA. Made up BHA no. 14 .R.I.H. to 14192 ft. Logged hole with LWD: Formation evaluation (FE) from 14192 ft to 14212 ft. Drilled to 14520 ft. Circulated at 14520 ft. Jan 24 1996 (31) Circulated at 14520 ft. Pulled out of hole to 12842 ft. R.I.H. to 14520 ft. Circulated at 14520 ft. Pulled out of hole to 231 ft. Pulled BHA. Retrieved Wear bushing. Tested BOP stack. In- stalled Wear bushing. Made up BHA no. 15. R.I.H. to 12842 ft. Reamed to 13700 ft. Jan 25 1996 (32) Reamed to 14520 ft. Circulated at 14520 ft. Pulled out of hole to 12800 ft. R.I.H. to 14520 ft. Circulated at 14520 ft. Pulled out of hole to 144 ft. Pulled BHA. Ran Casing to 1818 ft (4.5 in OD). Ran Tubing to 1793 ft (2.0625 in OD). Ran Casing on landing string to 5375 ft. Page 4 Operations Summary for: Jan 26 1996 (33) Ran Casing on landing string to 14520 ft. Set Permanent packer at 12696 ft with 3500 psi. Tested Liner hanger- Via annulus. Circulated at 14520 ft. Pulled Drillpipe in stands to 6000 ft. Serviced Block line. Pulled Drillpipe in stands to 0 ft. Rig waited: Downhole fish. Made up BHA no. 16. Jan 27 1996 (34) Made up BHA no. 16. R.I.H. to 11009 ft. Fished at 10970 ft. Pulled out of hole to 84 ft. Pulled BHA. Made up BHA no. 17. R.I.H. to 10895 ft. Fished at 12120 ft. Pulled out of hole to 0 ft. Pulled BHA. Rig waited: Assessed situation. Made up BHA no. 18. Rig waited: Materials. Jan 28 1996 (35) Made up BHA no. 18. R.I.H. to 12120 ft. Milled Tubing at 12127 ft. Pulled out of hole to 40 ft. Pulled BHA. Retrieved Bore protector. Made up BHA no. 19. R.I.H. to 12104 ft. Fished at 12204 ft. Pulled out of hole to 12100 ft. Serviced Travelling block. Pulled out of hole to 120 ft. Laid down fish. Jan 29 1996 (36) Laid down fish. Pulled BHA. Made up BHA no. 20 . R.I.H. to 1225 ft. Pulled out of hole to 0 ft. Pulled BHA. Made up BHA no. 20. R.I.H. to 1235 ft. Circulated at 1235 ft. R.I.H. to 4500 ft. Serviced Block line. R.I.H. to 12696 ft. Milled Tubing at 12696 ft. R.I.H. to 13910 ft. Circulated at 13910 ft. Pulled out of hole to 12743 ft. Jan 30 1996 (37) Circulated at 12743 ft. Pulled out of hole to 1235 ft. Pulled BHA. Ran Tubing to 1217 ft (2.875 in OD). Circulated at 1235 ft. Pulled out of hole to 0 ft. R.I.H. to 13900 ft. Mixed and pumped slurry - 4 bbl. Pulled out of hole to 12743 ft. Circulated at 12473 ft. Jan 31 1996 (38) Circulated at 12473 ft. Pulled out of hole to 10000 ft. Repaired Brake. Pulled out of hole to 40 ft. Rig waited: Downhole fish. Made up BHA no. 22. Rig waited: Assessed situation. Made up BHA no. 22. R.I.H. to 12646 ft. Fished at 12696 ft. Pulled out of hole to 0 ft. Pulled BHA. Made up BHA no. 23. R.I.H. to 2500 ft. Page 5 Operations Summary for: . ..3 Feb I 1996 (39) R.I.H. to 12681 ft. Fished at 12706 ft. Pulled out of hole to 0 ft. Pulled BHA. Tested BOP stack. Made up BHA no. 24. R.I.H. to 5000 ft. Serviced Block line. R.I.H. to 12679 ft. Circulated at 12679 ft. Fished at 12706 ft. Pulled out of hole to 11000 ft. Feb 2 1996 (40) Pulled out of hole to 0 ft. Pulled BHA. Rig waited : Assessed situation. Made up BHA no. 25. R.I.H. to 12696 ft. Washed to 12696 ft. Pulled out of hole to 2470 ft. Pulled BHA. Made up BHA no. 26 . R.I.H. to 12682 ft. Fished at 12706 ft. Pulled out of hole to 50000 ft. Feb 3 1996 (41) Pulled out of hole to 2475 ft. Pulled BHA. R.I.H. to 1818 ft. Laid down 1818 ft of 2.875 in OD drill pipe. Made up BHA no. 27. R.I.H. to 12682 ft. Fished at 12706 ft. Pulled out of hole to 0 ft. Pulled BHA. Made up BHA no. 28. R.I.H. to 3000 ft. Serviced Block line. R.I.H. to 12686 ft. Fished at 12706 ft. Pulled out of hole to 12000 ft. Feb 4 1996 (42) Pulled out of hole to 690 ft. Pulled BHA. Made up BHA no. 29 . R.I.H. to 13910 ft. Circulated at 13910 ft. Laid down 1323 ft of 3.5 in OD drill pipe. Circulated at 12587 ft. Laid down 2520 ft of 3.5 in OD drill pipe. Feb 5 1996 (43) Laid down 12600 ft of 3.5 in OD drill pipe. Pulled BHA. Rigged down Drillfloor / Derrick. Retrieved Bore protector. Ran Tubing to 10171 ft (4.5 in OD). Tested SCSSSV dummy pack off. Ran Tubing to 12348 ft (4.5 in OD). Installed Tubing hanger. Feb 6 1996 (44) Installed Tubing hanger. Circulated at 12378 ft. Set packer at 12321 ft with 4000 psi. Installed Hanger plug. Rigged down Top ram. Rigged down Drillfloor / Derrick. Rigged down BOP stack. Installed All tree valves. Retrieved Xmas tree integral components. Rigged up High pressure lines. Tested Permanent packer. Displace treatment. Installed Hanger plug. Rigged down Drillfloor / Derrick. Page o-ERRY-SUN DRILLING SERVICES ANCHORAGE ALASKA PAGE SHARED SERVICES DRILLING PBU/F-36 500292263100 NORTH SLOPE BOROUGH COMPUTATION DATE: 2/ 1/96 DATE OF SURVEY: 012396 MWD SURVEY JOB NUMBER: AK-MM-960103 KELLY BUSHING ELEV. = 68.05 FT. OPERATOR: BP EXPLORATION TRUE SUB-SEA MEASD VERTICAL VERTICAL DEPTH DEPTH DEPTH .00 .00 -68.05 147.80 147.80 79.75 242.24 242.24 174.19 333.78 333.78 265.73 425.34 425.33 357.28 COURS INCLN DG MN 0 0 0 16 0 19 0 11 0 33 COURSE DLS TOTAL DIRECTION RECTANGULAR COORDINATES DEGREES DG/100 NORTH/SOUTH EAST/WEST N .00 E .00 .00N .00E S 30.80 W .19 .31S .18W N 26.00 E .65 .26S .18W S 41.00 W .56 .14S .17W N 22.90 E .80 .15N .iOW VERT. SECT. .00 -.31 - .28 - .21 -.02 516.68 516.65 448.60 1 41 607.83 607.69 539.64 3 33 698.72 698.39 630.34 3 56 792.05 791.42 723.37 5 22 886.34 885.28 817.23 5 34 N 56.30 W 1.84 1.30N 1.05W N 63.20 W 2.08 3.32N 4.69W N 63.90 W .42 5.97N 10.01W S 86.80 W 2.92 7.13N 17.25W N 87.10 W .66 7.12N 26.24W -.34 -2.65 -6.18 -12.09 -20.08 979.29 977.62 909.57 7 24 1073.21 1070.61 1002.56 8 44 1165.66 1161.74 1093.69 10 33 1258.94 1253.46 1185.41 10 25 1351.97 1345.07 1277.02 9 34 S 88.20 W 2.05 7.16N 36.74W S 83.70 W 1.57 6.19N 49.89W S 84.90 W 1.98 4.66N 65.31W N 87.00 W 1.59 4.35N 82.25W N 80.30 W 1.54 6.09N 98.28W -29.41 -41.54 -55.95 -71.16 -84.63 1443.13 1434.87 1366.82 10 13 1536.76 1526.98 1458.93 10 26 1628.72 1617.46 1549.41 10 7 1721.38 1708.38 1640.33 12 3 1'816.13 1800.87 1732.82 12 59 N 71.20 W 1.85 9.97N 113.41W N 65.80 W 1.06 16.13N 129.02W N 61.60 W .89 23.40N 143.74W N 53.20 W 2.70 33.07N 158.65W N 46.00 W 1.92 46.39N 174.23W -96.31 -107.38 -117.15 -125.99 -133.76 1908.23 1890.52 1822.47 13 31 2000.16 1979.70 1911.65 14 32 2094.21 2069.80 2001.75 18 43 2185.98 2155.75 2087.70 22 15 2281.95 2243.61 2175.56 25 9 N 38.40 W 1.98 62.02N 188.36W N 32.00 W 2.02 80.22N 201.15W N 26.80 W 4.72 103.73N 214.23W N 26.40 W 3.85 132.45N 228.60W N 25.80 W 3.03 167.11N 245.57W -139.19 -142.24 -143.12 -142.78 -142.02 2376.10 2327.89 2259.84 27 45 2469.68 2409.58 2341.53 30 37 2563.45 2489.76 2421.71 31 49 2654.65 2566.98 2498.93 32 27 2749.15 2645.75 2577.70 34 35 N 27.00 W 2.82 204.67N 264.23W N 28.90 W 3.21 244.96N 285.65W N 27.40 W 1.53 287.82N 308.57W N 26.10 W 1.03 331.15N 330.41W N 28.40 W 2.62 377.52N 354.32W -141.46 -142.09 -142.88 -142.50 -142.57 2843.65 2723.42 2655.37 34 50 2935.63 2797.79 2729.74 37 14 3029.88 2872.38 2804.33 38 7 3125.69 2947.11 2879.06 39 19 3219.02 3019.29 2951.24 39 21 N 26.80 W 1.00 425.22N 379.25W N'29.50 W 3.12 472.91N 404.81W N 28.90 W 1.02 523.20N 432.92W N 30.10 W 1.48 575.37N 462.44W N 29.90 W .14 626.61N 492.02W RECEIVED -142.95 -143.88 -145.89 -148.30 -151.19 APR 0 9 !.'396 Ai~.sk~ 0il & ~as t?or~s. _FERRY-SUN DRILLING SERVICES ANCHORAGE ALASKA PAGE SHARED SERVICES DRILLING PBU/F-36 500292263100 NORTH SLOPE BOROUGH COMPUTATION DATE: 2/ 1/96 DATE OF SURVEY: 012396 MWD SURVEY JOB NUMBER: AK-MM-960103 KELLY BUSHING ELEV. = 68.05 FT. OPERATOR: BP EXPLORATION TRUE SUB-SEA MEASD VERTICAL VERTICAL DEPTH DEPTH DEPTH COURS INCLN DG MN COURSE DLS TOTAL DIRECTION RECTANGULAR COORDINATES DEGREES DG/100 NORTH/SOUTH EAST/WEST VERT. SECT. 3312.67 3090.36 3022.31 3407.74 3159.84 3091.79 3498.87 3224.82 3156.77 3592.70 3291.03 3222.98 3641.53 3325.27 3257.22 41 54 44 10 44 51 45 22 45 34 N 30.60 W 2.76 679.28N 522.75W N 33.00 W 2.95 734.40N 556.96W N 33.10 W .75 787.95N 591.81W N 31.90 W 1.06 844.02N 627.53W N 31.50 W .70 873.64N 645.82W -154.45 -159.68 -166.19 -172.33 -175.06 3758.00 3407.08 3339.03 3854.14 3474.77 3406.72 3948.15 3540.70 3472.65 4041.91 3605.89 3537.84 4135.13 3670.22 3602.17 45 10 45 18 45 37 46 16 46 27 N 32.20 W .54 944.06N 689.56W N 32.50 W .26 1001.73N 726.09W N 31.80 W .63 1058.47N 761.75W N 32.70 W .99 1115.45N 797.71W N 32.60 W .21 1172.27N 834.11W -181.78 -187.91 -193.69 -199.62 -206.03 4229.07 3734.60 3666.55 4322.37 3798.24 3730.19 4416.08 3862.96 3794.91 4507.35 3927.15 3859.10 4601.33 3993.52 3925.47 47 0 46 58 45 40 44 56 45 12 N 31.50 W 1.03 1230.24N 870.41W N 32.20 W .55 1288.20N 906.41W N 31.00 W 1.67 1345.91N 941.92W N 30.80 W .81 1401.58N 975.24W N 31.20 W .41 1458.61N 1009.51W -211.81 -217.34 -222.55 -226.74 -231.15 4693.94 4058.70 3990.65 4786.49 4123.67 4055.62 4881.65 4190.38 4122.33 4973.14 4254.65 4186.60 5065.91 4319.96 4251.91 45 19 45 29 45 30 45 14 45 15 N 31.80 W .48 1514.70N 1043.88W N 30.70 W .86 1571.05N 1078.07W N 31.70 W .75 1629.09N 1113.23W N 31.40 W .37 1684.58N 1147.30W N 31.00 W .31 1740.93N 1181.42W -236.08 -240.73 -245.47 -250.41 -255.00 5158.19 4384.38 4316.33 5248.68 4446.64 4378.59 5342.37 4510.68 4442.63 5434.36 4573.86 4505.81 5527.87 4638.91 4570.86 46 12 46 50 46 55 46 17 45 32 N 30.80 W 1.03 1797.63N 1215.36W N 30.80 W .71 1854.03N 1248.98W N 30.90 W .12 1912.75N 1284.05W N 31.50 W .83 1969.93N 1318.68W N 31.10 W .87 2027.32N 1353.58W -259.26 -263.39 -267.74 -272.40 -277.21 5621.28~ 4704.84 4636.79 5713.21 4769.69 4701.64 5807.33 4835.28 4767.23 5899.60 4900;63 4832.58 5992.26 4968.03 4899.98 44 40 45 35 46 2 43 45 42 54 N 30.90 W .94 2084.04N 1387.66W N 29.20 W 1.66 2140.44N 1420.27W N 29.50 W .52 2199.27N 1453.36W N 30.80 W 2.66 2255.58N 1486.05W N 31.40 W 1.03 2310.03N 1518.89W -281.59 -284.82 -287.36 -290.69 -295.02 6085.29 5035.88 4967.83 6175.12 5100.83 5032.78 6266.98 5166.32 5098.27 6359.65 5231.32 5163.27 6452.68 5297.30 5229.25 43 26 43 56 45 6 45 47 43 50 N 31.80 W .65 2364.24N 1552.24W N 31.40 W .64 2417.09N 1584.75W N 31.20 W 1.28 2472.12N 1618.21W N 31.50 W .78 2528.52N 1652.58W N 32.00 W 2.14 2584.28N 1687.07W -299.90 -304.66 -309.26 -314.04 -319.24 ~ERRY-SUN DRILLING SERVICEb ANCHORAGE ALASKA PAGE SHARED SERVICES DRILLING DBU/F-36 500292263100 NORTH SLOPE BOROUGH COMPUTATION DATE: 2/ 1/96 DATE OF SURVEY: 012396 MWD SURVEY JOB NUMBER: AK-MM-960103 KELLY BUSHING ELEV. = 68.05 FT. OPERATOR: BP EXPLOP~ATION TRUE SUB-SEA MEASD VERTICAL VERTICAL DEPTH DEPTH DEPTH COURS INCLN DG MN COURSE DLS TOTAL DIRECTION RECTANGULAR COORDINATES DEGREES DG/100 NORTH/SOUTH EAST/WEST VERT. SECT. 6545.61 5365.07 5297.02 6636.14 5431.57 5363.52 6732.86 5502.03 5433.98 6831.97 5573.73 5505.68 6922.35 5638.54 5570.49 42 30 N 31.30 W 1.52 2638.40N 1720.44W 42 57 N 32.70 W 1.16 2690.49N 1752.99W 43 31 N 33.40 W .78 2746.02N 1789.13W 43 47 N 32.10 W .94 2803.57N 1826.14W 44 34 N 32.20 W .87 2856.90N 1859.66W -324.18 -329.32 -336.08 -342.69 -348.13 7016.99 5705.90 5637.85 7111.47 5773.06 5705.01 7205.42 5839.77 5771.72 7299.78 5906.43 5838.38 7394.39 5973.04 5904.99 44 41 N 33.40 W .90 2912.78N 1895.67W 44 41 N 33.90 W .37 2968.09N 1932.49W 44 50 N 33.40 W .41 3023.16N 1969.15W 45 15 N 33.50 W .45 3078.88N 2005.96W 45 14 N 35.00 W 1.13 3134.42N 2043.77W -354.61 -362.08 -369.51 -376.78 -385.03 7489.62 6039.93 5971.88 7584.22 6105.96 6037.91 7680.81 6173.22 6105.17 7775.31 6239.34 6171.29 7868.44 6304.85 6236.80 45 31 N 32.60 W 1.82 3190.73N 2081.47W 45 56 N 31.10 W 1.22 3248.27N 2117.21W 45 47 N 31.00 W .16 3307.66N 2152.97W 45 23 N 31.10 W .44 3365.50N 2187.79W 45 12 N 33.20 W 1.62 3421.53N 2223.00W -392.81 -398.30 -402.96 -407.49 -413.20 7962.62 6371.40 6303.35 8056.90 6437.42 6369.37 8150.00 6501.29 6433.24 8245.13 6565.49 6497.44 8338.50 6627.16 6559.11 44 52 N 34.00 W .69 3477.04N 2259.88W 46 15 N 29.60 W 3.63 3534.24N 2295.31W 47 6 N 27.20 W 2.09 3593.81N 2327.51W 48 0 N 27.70 W 1.01 3656.11N 2359.87W 49 20 N 23.80 W 3.45 3719.25N 2390.30W -420.62 -425.99 -427.40 -427.71 -425.91 8431.78 6687.22 6619.17 8525.50 6745.83 6677.78 8619.15 6802.85 6734.80 8713.59 6859.05 6791.00 8818.12 6918.99 6850.94 50 28 N 24.80 W 1.46 3784.28N 2419.67W 52 5 N 22.30 W 2.71 3851.31N 2448.86W 52 52 N 23.10 W 1.07 3919.84N 2477.53W 54 5 N 19.00 W 3.72 3990.66N 2504.76W 55 54 N 19.30 W 1.75 4071.54N 2532.85W -422.30 -417.63 -411.81 -403.65 -391.67 8912.72 6970.23 6902.18 9007.37 7018.24 6950.19 9101.34 7064.75 6996.70 9196.29 7112.17 7044.12 9288.86 7159.03 7090.98 58 30 N 16.10 W 3.95 4147.29N 2556.99W 60 31 N 16.40 W 2.14 4225.59N 2579.82W 60 8 N 15.40 W 1.01 4304.11N 2602.19W 59 56 N 15.80 W .42 4383.34N 2624.31W 59 13 N 15.70 W .77 4460.17N 2645.98W -378.51 -363.02 -347.03 -330.49 -314.64 9383.88 7208.13 7140.08 9477.68 7256.72 7188.67' 9572.65 7303.42 7235.37 9666.65 7347.65 7279.60 9753.85 7389.19 7321.14 58 32 N 15.90 W .74 4538.45N 2668.13W 59 2 N 15.40 W .70 4615.71N 2689.77W 62 2 N 15.30 W 3.15 4695.44N 2711.66W 61 48 N 15.20 W .26 4775.46N 2733.47W 61 17 N 15.30 W .60 4849.43N 2753.64W -298.56 -282.49 -265.51 -248.34 -232.47 _~ERRY-SUN DRILLING SERVICES ANCHORAGE ALASKA PAGE SHARED SERVICES DRILLING PBU/F-36 500292263100 NORTH SLOPE BOROUGH COMPUTATION DATE: 2/ 1/96 DATE OF SURVEY: 012396 MWD SURVEY JOB NUMBER: AK-MM-960103 KELLY BUSHING ELEV. = 68.05 FT. OPERATOR: BP EXPLORATION TRUE SUB-SEA MEASD VERTICAL VERTICAL DEPTH DEPTH DEPTH COURS INCLN DG MN COURSE DLS TOTAL DIRECTION RECTANGULAR COORDINATES DEGREES DG/100 NORTH/SOUTH EAST/WEST VERT. SECT. 9853.26 7437.41 7369.36 60 40 9947.97 7483.85 7415.80 60 35 10042.14 7530.05 7462.00 60 37 10134.41 7575.36 7507.31 60 33 10227.94 7621.31 7553.26 60 34 N 15.80 W .75 4933.18N 2776.94W N 15.30 W .47 5012.70N 2799.07W N 14.50 W .74 5092.00N 2820.17W N 14.60 W .12 5169.80N 2840.36W N 15.30 W .65 5248.50N 2861.38W -214.91 -198.24 -180.76 -163.16 -145.88 10323.34 7667.83 7599.78 10417.84 7713.83 7645.78 10513.46 7760.53 7692.48 10607.61 7806.29 7738.24 10701.58 7851.86 7783.81 61 3 60 40 60 50 60 59 60 59 N 15.40 W .51 5328.82N 2883.43W N 14.50 W .92 5408.57N 2904.72W N 14.50 W .18 5489.36N 2925.61W N 14.40 W .18 5569.03N 2946.15W N 13.20 W 1.12 5648.84N 2965.75W -128.77 -111.26 -92.91 -74.75 -55.71 10797.87 7899.03 7830.98 60 20 10890.97 7945.27 7877.22 60 5 10985.08 7992.94 7924.89 59 1 11080.64 8042.14 7974.09 59 0 11175.63 8091.15 8023.10 58 52 N 14.90 W 1.68 5730.26N 2986.12W N 15.20 W .40 5808.30N 3007.10W N 17.30 W 2.23 5886.18N 3029.79W N 16.00 W 1.17 5964.66N 3053.27W N 15.10 W .82 6043.05N 3075.08W -36.61 -19.60 -4.19 10.81 27.24 11269.13 8139.52 8071.47 58 48 11363.07 8188.13 8120.08 58 52 11455.43 8235.82 8167.77 58 57 11548.14 8283.60 8215.55 59 0 11644.05 8333.24 8265.19 58 40 N 15.40 W .28 6120.25N 3096.13W N 16.30 W .82 6197.58N 3118.08W N 15.80 W .47 6273.59N 3139.95W N 15.10 W .65 6350.16N 3161.11W N 16.10 W .96 6429.20N 3183.18W 43.81 59.63 74.92 91.10 107.60 11737.09 8381.83 8313.78 58 21 11818.55 8424.77 8356.72 58 1 11857.12 8445.18 8377.13 58 5 11888.91 8461.98 8393.93 58 5 11921.70 8479.00 8410.95 59 22 N 14.90 W 1.15 6505.66N 3204.38W N 14.80 W .43 6572.57N 3222.13W N 14.70 W .29 6604.22N 3230.46W N 15.60 W 2.40 6630.27N 3237.51W N 15.80 W 3.91 6657.25N 3245.09W 123.69 138.50 145.56 151.19 156.77 11953.08 8494.62 8426 11984.74 8509.70 8441 12015.73 8524.17 8456 12047.71 8539.20 8471 12079.33 8554.32 8486 .57 60 55 .65 62 9 .12 62 10 .15 61 44 .27 61 8 N 16.70 W 5.53 6683.37N 3252.71W N 14.40 W 7.49 6710.18N 3260.17W N 12.10 W 6.56 6736.85N 3266.45W N 10.70 W 4.10 6764.52N 3272.03W N 7.50 W 9.09 6791.94N 3276.42W 161.94 167.57 174.17 181.86 190.48 12110.79 8569.61 8501.56 12141.92 8584.85 8516.80 12174.42 8600.79 8532.74 12204.63 8615.54 8547.49 12235.00 8630.26 8562.21 60 43 60 37 60 39 6O 54 61 4 N 6.40 W 3.32 6819.23N 3279.75W N 3.50 W 8.13 6846.26N 3282.09W N 1.60 W 5.10 6874.56N 3283.35W N 1.70 E 9.57 6900.92N 3283.33W N 3.90 E 6.36 6927.44N 3282.03W 200.00 210.27 222.08 234.15 247.43 _~ERRY-SUN DRILLING SERVICES ANCHORAGE ALASKA PAGE SHARED SERVICES DRILLING PBU/F-36 500292263100 NORTH SLOPE BOROUGH COMPUTATION DATE: 2/ 1/96 DATE OF SURVEY: 012396 MWD SURVEY JOB NUMBER: AK-MM-960103 KELLY BUSHING ELEV. = 68.05 FT. OPERATOR: BP EXPLORATION TRUE SUB-SEA MEASD VERTICAL VERTICAL DEPTH DEPTH DEPTH COURS INCLN DG MN COURSE DLS TOTAL DIRECTION RECTANGULAR COORDINATES VERT. DEGREES DG/100 NORTH/SOUTH EAST/WEST SECT. 12266.42 8645.40 8577.35 61 19 12297.15 8660.06 8592.01 61 41 12326.13 8673.86 8605.81 61 28 12361.99 8691.09 8623.04 61 4 12389.22 8704.33 8636.28 60 43 N 7.50 E 10.07 6954.83N 3279.29W 262.38 N 10.20 E 7.81 6981,51N 3275.14W 278.27 N 13.60 E 10.34 7006.45N 3269.88W 294.35 N 17.00 E 8.39 7036.77N 3261.59W 315.58 N 19.20 E 7.18 7059.39N 3254.20W 332.50 12419.40 8718.90 8650.85 61 33 12448.95 8732.58 8664.53 63 15 12480.11 8746.27 8678.22 64 38 12513.99 8760.36 8692.31 66 13 12544.37 8772.31 8704.26 67 27 N 21.90 E 8.30 7084.13N 3244.92W 352.05 N 25.00 E 10.93 7108.15N 3234.50W 372.31 N 28.50 E 11.02 7133.14N 3221.89W 394.94 N 31.80 E 10.02 7159.77N 3206.42W 420.88 N 35.40 E 11.62 7183.03N 3190.96W 445.26 12574.96 8783.65 8715.60 12605.36 8794.17 8726.12 12635.47 8803.52 8735.47 12664.78 8811.19 8743.14 12694.54 8817.65 8749.60 69 70 73 76 78 0 31 16 23 31 N 37.80 E 8.87 7205.83N 3174.02W 470.75 N 40.70 E 10.24 7227.92N 3155.97W 496.89 N 42.40 E 10.62 7249.33N 3136.99W 523.57 N 45.00 E 13.63 7269.78N 3117.45W 550.29 N 45.10 E 7.20 7290.30N 3096.89W 577.96 12724.92 8823.75 8755.70 78 19 12752.16 8829.19 8761.14 78 37 12783.83 8835.12 8767.07 79 46 12880.08 8854.29 8786.25 77 15 12911.08 8860.74 8792.69 78 44 N 46.00 E 2.98 7311.14N 3075.65W 606.38 N 45.40 E 2.44 7329.78N 3056.54W 631.89 N 47.00 E 6.13 7351.31N 3034.09W 661.70 N 51.80 E 5.54 7412.68N 2962.52W 753.41 N 52.10 E 4.87 7431.37N 2938.64W 783.19 12942.65 8866.45 8798.40 80 25 12972.88 8870.99 8802.94 82 18 13003.92 8874.42 8806.37 85 0 13033.74 8875.33 8807.28 91 28 13064.32 8873.64 8805.59 94 51 N 52.00 E 5.33 7450.46N 2914.16W 813.69 N 53.90 E 8.81 7468.46N 2890.31W 843.14 N 55.44 E 9.97 7486.30N 2865.14W 873.67 N 56.02 E 21.82 7503.07N 2840.52W 903.23 N 60.10 E 17.31 7519.22N 2814.62W 933.65 13095.29 8870.93 8802.88 13126.23 8868.41 8800.36 13157.28 8866.58 8798.53 13188.03 8865.50 8797.45 13219.30 8864.69 8796.64 95 11 94 9 92 34 91 28 91 28 N 63.49 E 10.96 7533.80N 2787.44W 964.49 N 63.62 E 3.36 7547.53N 2759.83W 995.33 N 63.88 E 5.19 7561.24N 2732.03W 1026.32 N 64.98 E 5.03 7574.51N 2704.31W 1057.03 N 63.60 E 4.41 7588.06N 2676.15W 1088.28 13250.33 8864.00 8795.95 13281.31 8863.80 8795.75 13312.44 8863.96 8795.91 13343.89 8864.05 8796.00 13373.63 8864.15 8796.10 91 4 89 37 89 48 89 50 89 46 N 63.90 E 1.61 7601.79N 2648.33W 1119.29 N 63.80 E 4.69 7615.44N 2620.52W 1150.27 N 64.20 E 1.41 7629.08N 2592.54W 1181.39 N 63.10 E 3.50 7643.04N 2564.36W 1212.83 N 63.20 E .41 7656.47N 2537.83W 1242.58 RECEIVED Oil & ~s Oons. [:omrnissio~ Anchorage · _JERRY-SUN DRILLING SERVICES ANCHOILAGE ALASKA PAGE SHARED SERVICES DRILLING PBU/F-36 500292263100 NORTH SLOPE BOROUGH COMPUTATION DATE: 2/ 1/96 DATE OF SURVEY: 012396 MWD SURVEY JOB NUMBER: AK-MM-960103 KELLY BUSHING ELEV. = 68.05 OPERJ%TOR: BP EXPLORATION FT. TRUE SUB-SEA MEASD VERTICAL VERTICAL DEPTH DEPTH DEPTH COURS INCLN DG MN COURSE DLS TOTAL DIRECTION RECTANGULAR COORDINATES DEGREES DG/100 NORTH/SOUTH EAST/WEST VERT. SECT. 13404.67 8864.31 8796.26 13435.61 8864.55 8796.50 13466.40 8865.29 8797.24 13497.32 8866.88 8798.83 13528.45 8869.15 8801.10 89 37 N 64.20 E 3.26 7670.23N 2510.00W 89 28 N 63.00 E 3.91 7683.98N 2482.29W 87 45 N 63.70 E 6.06 7697.79N 2454.78W 86 20 N 63.90 E 4.57 7711.42N 2427.08W 85 16 N 63.10 E 4.29 7725.27N 2399.30W 1273.61 1304.54 1335.32 1366.19 1397.23 13557.46 8871.95 8803.90 13589.91 8875.95 8807.90 13620.74 8880.67 8812.62 13651.69 8886.19 8818.14 13682.70 8892.43 8824.38 83 40 N 62.80 E 5.64 7738.40N 2373.58W 82 8 N 62.80 E 4.71 7753.12N 2344.94W 80 15 N 62.10 E 6.50 7767.21N 2317.94W 79 11 N 62.40 E 3.59 7781.39N 2290.99W 77 36 N 59.80 E 9.66 7796.06N 2264.40W 1426.11 1458.31 1488.77 1519.22 1549.58 13713.68 8899.50 8831.46 13744.55 8907.58 8839.53 13775.43 8916.47 8848.42 13805.49 8925.58 8857.53 13836.17 8935.76 8867.71 75 58 N 59.00 E 5.86 7811.42N 2238.44W 73 41 N 60.60 E 8.92 7826.40N 2212.69W 72 50 N 58.71 E 6.48 7841.34N 2187.17W 71 52 N 59.80 E 4.71 7855.98N 2162.56W 69 22 N 60.11 E 8.24 7870.47N 2137.51W 1579.68 1609.43 1638.95 1667.54 1696.44 13866.86 8946.62 8878.57 13898 . 21 8956 . 97 8888 . 92 13928 . 86 8965 . 51 8897 . 46 13959.75 8972.69 8904.64 13991 . 20 8979 . 24 8911 . 19 69 11 N 61.00 E 2.78 7884.58N 2112.51W 72 15 N 59.80 E 10.44 7899.20N 2086.79W 75 20 N 62.61 E 13.38 7913.37N 2061.00W 77 48 N 63.58 E 8.50 7926.96N 2034.20W 78 7 N 63.20 E 1.58 7940.74N 2006.70W 1725.12 1754.69 1784.10 1814.15 1844.90 14022.30 8985.57 8917.52 14053.34 8991.49 8923.44 14084.20 8996.70 8928.65 14115.20 9000.93 8932.88 14146.16 9004.04 8935.99 78 24 N 62.60 E 2.09 7954.61N 1979.60W 79 35 N 63.10 E 4.12 7968.51N 1952.49W 80 56 N 62.12 E 5.41 7982.51N 1925.48W 83 23 N 62.99 E 8.35 7996.66N 1898.23W 85 3 N 61.95 E 6.35 8010.89N 1870.92W 1875.35 1905.82 1936.23 1966.94 1997.74 14178.09 9006.93 8938.88 14209.09 9009.70 8941.65 14240.27 9012.30 8944.25 14271.23 9014.70 8946.65 14302.26 9016.44 8948.39 84 34 N 60.40 E 5.07 8026.22N 1843.06W 85 9 N 60.70 E 2.10 8041.40N 1816.18W 85 18 N 61.10 E 1.38 8056.52N 1789.03W 85 46 N 60.20 E 3.27 8071.64N 1762.12W 87 48 N 60.60 E 6.67 8086.94N 1735.19W 2029.52 2060.37 2091.43 2122.27 2153.22 14333.05 9017.51 8949.46 14364.05 9018.34 8950.29 14395.24 9019.04 8950.99 14426.04 9019.74 8951.69 14464.51 9021.44 8953.39 88 12 N 61.20 E 2.34 8101.91N 1708.30W 88 42 N 60.70 E 2.28 8116.96N 1681.21W 88 42 N 63.20 E 8.01 8131.62N 1653.70W 88 40 N 63.30 E .34 8145.48N 1626.21W 86 16 N 63.10 E 6.29 8162.80N 1591.91W 2183.97 2214.94 2246.12 2276.91 2315.33 ~'ERRY-SUN DRILLING SERVICES ANCHORAGE ALASKA PAGE 7 SHARED SERVICES DRILLING PBU/F-36 500292263100 NORTH SLOPE BOROUGH COMPUTATION DATE: 2/ 1/96 DATE OF SURVEY: 012396 MWD SURVEY JOB NUMBER: AK-MM-960103 KELLY BUSHING ELEV. = 68.05 FT. OPERATOR: BP EXPLORATION TRUE SUB-SEA COURS COURSE DLS TOTAL MEASD VERTICAL VERTICAL INCLN DIRECTION RECTANGULAR COORDINATES VERT. DEPTH DEPTH DEPTH DG MN DEGREES DG/100 NORTH/SOUTH EAST/WEST SECT. 14520.00 9025.05 8957.00 86 16 N 63.10 E .04 8187.85N 1542.53W 2370.70 THE CALCULATION PROCEDURES ARE BASED ON THE USE OF THREE-DIMENSION MINIMUM CURVATURE METHOD. HORIZONTAL DISPLACEMENT = 8331.89 FEET AT NORTH 10 DEG. 40 MIN. WEST AT MD = 14520 VERTICAL SECTION RELATIVE TO WELL HEAD VERTICAL SECTION COMPUTED ALONG 62.80 DEG. _~ERRY-SUN DRILLING SERVICES ANCHORAGE ALASKA PAGE SHARED SERVICES DRILLING PBU/F-36 500292263100 NORTH SLOPE BOROUGH COMPUTATION DATE: 2/ 1/96 DATE OF SURVEY: 012396 JOB NUMBER: AK-MM-960103 KELLY BUSHING ELEV. = 68.05 OPERATOR: BP EXPLORATION FT. INTERPOLATED VALUES FOR EVEN 1000 FEET OF MEASURED DEPTH TRUE SUB-SEA MEASD VERTICAL VERTICAL DEPTH DEPTH DEPTH TOTAL RECTANGULAR COORDINATES NORTH/SOUTH EAST/WEST MD-TVD VERTICAL DIFFERENCE CORRECTION .00 .00 -68.05 1000.00 998.16 930.11 2000.00 1979.55 1911.50 3000.00 2848.87 2780.82 4000.00 3576.93 3508.88 .00 N .00 E .00 7.08 N 39.41 W 1.84 1.84 80.19 N 201.13 W 20.45 18.61 507.05 N 424.00 W 151.13 130.68 1089.97 N 781.34 W 423.07 271.94 5000.00 4273.57 4205.52 6000.00 4973.70 4905.65 7000.00 5693.82 5625.77 8000.00 6397.77 6329.72 9000.00 7014.61 6946.56 1700.86 N 2314.52 N 2902.80 N 3499.23 N 4219.43 N 1157.23 W 726.43 303.36 1521.63 W 1026.30 299.87 1889.09 W 1306.18 279.88 2274.35 W 1602.23 296.05 2578.01 W 1985.39 383.16 10000.00 7509.39 7441.34 11000.00 8000.62 7932.57 12000.00 8516.83 8448.78 13000.00 8874.06 8806.01 14000.00 8981.05 8913.00 5056.44 N 5898.39 N 6723.25 N 7484.08 N 7944.62 N 2810.97 W 2490.61 505.22 3033.60 W 2999.38 508.77 3263.52 W 3483.17 483.79 2868.35 W 4125.94 642.76 1999.02 W 5018.95 893.01 14520.00 9025.05 8957.00 8187.85 N 1542.53 W 5494.95 476.01 THE CALCULATION PROCEDURES ARE BASED ON THE USE OF THREE-DIMENSION MINIMUM CURVATURE METHOD. APR 0.9 199G Al~ska Oil & Cas Cons. Commission A, ~c,~orage ~ERRY-SUN DRILLING SERVICES ANCHORAGE ALASKA PAGE SHARED SERVICES DRILLING PBU/F-36 500292263100 NORTH SLOPE BOROUGH COMPUTATION DATE: 2/ 1/96 DATE OF SURVEY: 012396 JOB NUMBER: AK-MM-960103 KELLY BUSHING ELEV. = 68.05 FT. OPERATOR: BP EXPLORATION INTERPOLATED VALUES FOR EVEN 100 FEET OF SUB-SEA DEPTH TRUE SUB-SEA MEASD VERTICAL VERTICAL DEPTH DEPTH DEPTH TOTAL RECTANGULAR COORDINATES NORTH/SOUTH EAST/WEST MD-TVD VERTICAL DIFFERENCE CORRECTION .00 .00 -68.05 68.05 68.05 .00 168.05 168.05 100.00 268.05 268.05 200.00 368.05 368.05 300.00 .00 N .00 E .00 .01 S .01 W .00 .00 .39 S .24 W .00 .00 .13 S .12 W .00 .00 .23 S .24 W .00 .00 468.06 468.05 400.00 568.11 568.05 500.00 668.31 668.05 600.00 768.58 768.05 700.00 869.03 868.05 800.00 .55 N .04 W .01 .01 2.23 N 2.53 W .06 .05 5.05 N 8.14 W .26 .20 7.13 N 15.17 W .53 .28 7.04 N 24.56 W .98 .44 969.64 968.05 - 900.00 1070.62 1068.05 1000.00 1172.08 1168.05 1100.00 1273.78 1268.05 1200.00 1375.27 1368.05 1300.00 7.20 N 35.50 W 6.23 N 49.50 W 4.56 N 66.48 W 4.49 N 84.93 W 6.74 N 102.10 W 1.59 .61 2.57 .99 4.03 1.46 5.73 1.69 7.22 1.50 1476.84 1468.05 1400.00 1578.52 1568.05 1500.00 1680.14 1668.05 1600.00 1782.44 1768.05 1700.00 1885.12 1868.05 1800.00 11.90 N 119.07 W 19.24 N 135.93 W 27.91 N 151.76 W 41.13 N 168.78 W 57.78 N 185.01 W 8.79 1.57 10.47 1.68 12.09 1.62 14.39 2.30 17.07 2.68 1988.12 1968.05 1900.00 2092.37 2068.05 2000.00 2199.29 2168.05 2100.00 2309.05 2268.05 2200.00 2421.78 2368.05 2300.00 77.66 N 199.55 W 103.23 N 213.97 W 137.02 N 230.86 W 177.63 N 250.70 W 223.99 N 274.29 W 20.07 3.00 24.32 4.25 31.24 6.92 41.00 9.76 53.73 12.74 2537.89 2468.05 2400.00 2655.92 2568.05 2500.00 2776.24 2668.05 2600.00 2898.51 2768.05 2700.00 3024.38 2868.05 2800.00 275.86 N 302.37 W 331.76 N 330.71 W 391.05 N 361.64 W 453.48 N 394.06 W 520.23 N 431.28 W 69.84 16.11 87.87 18.02 108.19 20.32 130.46 22.27 156.33 25.86 3152.76 2968.05 2900.00 3282.90 3068.05 3000.00 3419.18 3168.05 3100.00 3559.99 3268.05 3200.00 3702.63 3368.05 3300.00 590.21 N 471.04 W 662.28 N 512.75 W 741.09 N 561.30 W 824.26 N 615.22 W 910.82 N 668.63 W 184.71 28.38 214.85 30.14 251.13 36.29 291.94 40.80 334.58 42.64 ~JERRY-SUN DRILLING SERVICE& ANCHOR_AGE ALAS~ PAGE 10 SHARED SERVICES DRILLING PBU/F-36 500292263100 NORTH SLOPE BOROUGH COMPUTATION DATE: 2/ 1/96 DATE OF SURVEY: 012396 JOB NUMBER: AK-MM-960103 KELLY BUSHING ELEV. = 68.05 FT. OPERATOR: BP EXPLORATION INTERPOLATED VALUES FOR EVEN 100 FEET OF SUB-SEA DEPTH TRUE SUB-SEA MEASD VERTICAL VERTICAL DEPTH DEPTH DEPTH TOTAL RECTANGULAR COORDINATES NORTH/SOUTH EAST/WEST MD-TVD VERTICAL DIFFERENCE CORRECTION 3844.58 3468.05 3400.00 3987.27 3568.05 3500.00 4131.99 3668.05 3600.00 4278.12 3768.05 3700.00 4423.37 3868.05 3800.00 996.00 N 722.44 1082.23 N 776.51 1170.35 N 832.88 1260.82 N 889.18 1350.38 N 944.61 W W W W W 376.53 41.96 419.22 42.69 463.94 44.72 510.07 46.14 555.32 45.25 4565.18 3968.05 3900.00 4707.24 4068.05 4000.00 4849.79 4168.05 4100.00 4992.17 4268.05 4200.00 5134.60 4368.05 4300.00 1436.67 N 996.22 1522.74 N 1048.87 1609.76 N 1101.29 1696.11 N 1154.33 1783.01 N 1206.64 W W W W W 597.13 41.81 639.19 42.05 681.74 42.56 724.12 42.37 766.55 42.43 5279.98 4468.05 4400.00 5425.95 4568.05 4500.00 5569.43 4668.05 4600.00 5710.87 4768.05 4700.00 5854.34 4868.05 4800.00 1873.64 N 1260.67 1964.74 N 1315.50 2052.70 N 1368.88 2138.98 N 1419.46 2228.57 N 1470.02 W W W W W 811.93 45.37 857.90 45.97 901.38 43.48 942.82 41.44 986.29 43.48 5992.29 4968.05 4900.00 6129.64 5068.05 5000.00 6269.43 5168.05 5100.00 6412.04 5268.05 5200.00 6549.65 5368.05 5300.00 2310.04 N 1518.90 2390.19 N 1568.30 2473.61 N 1619.11 2560.35 N 1672.14 2640.74 N 1721.86 1024.24 37.94 1061.59 37.35 1101.38 39.79 1143.99 42.61 1181.60 37.61 6686.03 5468.05 5400.00 6824.10 5568.05 5500.00 6963.77 5668.05 5600.00 7104.42 5768.05 5700.00 7245.32 5868.05 5800.00 2719.10 N 1771.41 2798.96 N 1823.25 2881.48 N 1875.17 2963.97 N 1929.72 3046.66 N 1984.64 1217.98 36.37 1256.05 38.08 1295.72 39.67 1336.37 40.65 1377.27 40.90 7387.31 5968.05 5900.00 7529.77 6068.05 6000.00 7673.40 6168.05 6100.00 7816.19 6268.05 6200.00 7957.89 6368.05 6300.00 3130.30 N 2040.89 3214.89 N 2096.88 3303.11 N 2150.23 3390.42 N 2202.82 3474.27 N 2258.01 1419.26 41.99 1461.72 42.46 1505.35 43.63 1548.14 42.79 1589.84 41.70 8101.21 6468.05 6400.00 8248.96 6568.05 6500.00 8401.65 6668.05 6600.00 8561.69 6768.05 6700.00 8728.94 6868.05 6800.00 3562.10 N 2311.10 3658.65 N 2361.17 3763.19 N 2409.92 3877.73 N 2459.71 4002.41 N 2508.81 1633.16 43.32 1680.92 47.76 1733.60 52.69 1793.64 60.04 1860.89 67.25 ERRY-SUN DRILLING SERVICES ANCHORAGE ALASKA PAGE 11 SHARED SERVICES DRILLING PBU/F-36 500292263100 NORTH SLOPE BOROUGH COMPUTATION DATE: 2/ 1/96 DATE OF SURVEY: 012396 JOB NUMBER: AK-MM-960103 KELLY BUSHING ELEV. = 68.05 FT. OPERATOR: BP EXPLORATION INTERPOLATED VALUES FOR EVEN 100 FEET OF SUB-SEA DEPTH TRUE SUB-SEA MEASD VERTICAL VERTICAL DEPTH DEPTH DEPTH TOTAL RECTANGULAR COORDINATES NORTH/SOUTH EAST/WEST MD-TVD VERTICAL DIFFERENCE CORRECTION 8908.59 6968.05 6900.00 4143.92 N 2556.00 W 1940.54 79.65 9107.96 7068.05 7000.00 4309.64 N 2603.71 W 2039.91 99.38 9306.48 7168.05 7100.00 4474.75 N 2650.08 W 2138.43 98.52 9499.94 7268.05 7200.00 4634.18 N 2694.85 W 2231.89 93.46 9709.75 7368.05 7300.00 4812.09 N 2743.43 W 2341.70 109.81 9915.79 7468.05 7400.00 4985.66 N 2791.67 W 2447.74 106.04 10119.54 7568.05 7500.00 5157.27 N 2837.10 W 2551.49 103.75 10323.80 7668.05 7600.00 5329.21 N 2883.53 W 2655.75 104.26 10528.90 7768.05 7700.00 5502.41 N 2928.99 W 2760.85 105.10 10734.96 7868.05 7800.00 5677.26 N 2972.41 W 2866.91 106.06 10936.61 7968.05 7900.00 5846.45 N 3017.52 W 2968.56 101.65 11130.93 8068.05 8000.00 6006.11 N 3065.06 W 3062.88 94.32 11324.23 8168.05 8100.00 6165.67 N 3108.75 W 3156.18 93.31 11517.94 8268.05 8200.00 6325.17 N 3154.37 W 3249.89 93.71 11710.82 8368.05 8300.00 6484.04 N 3198.63 W 3342.77 92.88 11900.41 8468.05 8400.00 6639.67 N 3240.14 W 3432.36 89.59 12107.61 8568.05 8500.00 6816.47 N 3279.44 W 3539.56 107.20 12313.95 8668.05 8600.00 6995.99 N 3272.20 W 3645.90 106.34 12533.44 8768.05 8700.00 7174.72 N 3196.63 W 3765.39 119.50 12952.90 8868.05 8800.00 7456.61 N 2906.12 W 4084.85 319.46 13939.21 8968.05 8900.00 7917.96 N 2052.07 W 4971.16 886.31 14520.00 9025.05 8957.00 8187.85 N 1542.53 W 5494.95 523.79 THE CALCULATION PROCEDURES USE A LINEAR INTERPOLATION BETWEEN THE NEAREST 20 FOOT MD (FROM MINIMUM CURVATURE) POINTS gyro/data F PAD, WELL NO. F-36 PRUDHOE BAY FIELD, ALASKA Gyro Multishot Survey Of Drill Pipe Survey date · 03 January, 1996 Job number' AK0196G317 Gas Con~. Corn,mission Anchorage SR317.DOC Gyrodata Incorporated P.O. Box 79389 Houston, Texas 77279 713/461-3146 Fax: 713/461-0920 January 12, 1996 B.P. Exploraton (Alaska) Inc. Petrotechnical Data Center, MB 3-3 900 E. Benson Blvd. Anchorage, AK 99519-6612 Re: F PAD, WELL F-36, PRUDHOE BAY FIELD, ALASKA Enclosed please find one (1) original and four (4) copies and one (1) disk of the completed survey of Well //WELL F-36 We would like to take this opportunity to thank you for using Gyrodata and we look forward to serving you in the future. Sincerely Operations Manager RS/fee Serving the Worldwide Energy Industry with Precision Survey Instrumentation gyro/data CONTENTS JOB NUMBER :AK0196G317 1. DISCUSSION , SURVEY CERTIFICATION SHEET 2. SURVEY DETAILS 3. OUTRUN SURVEY LISTING 4. QUALITY CONTROL 5. EQUIPMENT AND CHRONOLOGICAL REPORT SR317.DOC gyro/data 1. DISCUSSION , SURVEY CERTIFICATION SHEET SR317.DOC gyro/data DISCUSSION JOB NUMBER' AK0196G317 Tool 080 was run in F-36 on ATLAS 5/16" VVireline inside drillpipe. The survey was run without problems. SR317.DOC gyro/data SURVEY CERTIFICATION SHEET JOB NUMBER ', AK0196G317 The data for this survey and the calculations for this survey were obtained and performed by me according to standards and procedures as set forth by Gyrodata Limited, true and correct to the best of my knowledge. TOM STODDARD OPERATIONS ENGINEER The data and calculations for this survey have been checked by me and conform to the standards and procedures as set forth by Gyrodata Limited. This report represents a directional survey of this well based on the original data obtained at the wellsite. Checked by :- ROB SHOUP OPERATIONS MANAGER SR317.DOC gyro/data 2. SURVEY DETAILS SR317.DOC gyro/data SURVEY DETAILS JOB NUMBER: AK0196G317 CLIENT: B.P. EXPLORATION RIG: F-PAD LOCATION: PRUDHOE BAY FIELD WELL: F-36 LATITUDE: 70.336000 N LONGITUDE: SURVEY DATE: 03 JANUARY, 1996 SURVEY TYPE: DEPTH REFERENCE: MAX. SURVEY DEPTH: MULTISHOT IN 5.5" Drillpipe ROTARY TABLE ELEVATION 64.7 6650 SURVEY TIED ONTO: NA SURVEY INTERVAL: 100' From 105 feet to 2105 feet, 50' From 2105 feet to 3405 feet, 100' From 3405 feet to 6005 feet, 30' From 6005 feet to 6605 feet. 50' From 6605 feet to 6650 feet. UTM CO-ORDINATES: TARGET DIRECTION: 328.00 GRID CORRECTION: N/A CALCULATION METHOD: MINIMUM CURVATURE SURVEYOR: TOM STODDARD SR317.DOC gyro/data 3. OUTRUN SURVEY LISTING RECEIVED APR 0 9 199G Qi! & (~as Cons. Commission Anchorage SR317. DOC A Gyrodat a D i re c t iona i Survey for B.P. EXPLORATION WELL: F-36, 5.5"DP Location: F PAD, PRUDHOE BAY, W.OoA. Job Number: AK0196G317 Run Date: 3-Jan-96 22:43:43 Surveyor: TOM STODDARD Calculation Method: MINIMUM CURVATURE Survey Latitude: 70.336000 deg. N Sub-sea Correction from Vertical Reference: 64.7 ft. Azimuth Correction: Gyro: Bearings are Relative to True North Proposed Well Direction: 328.000 deg Vertical Section Calculated from Well Head Location Closure Calculated from Well Head Location Horizontal Coordinates Calculated from Local Horizontal Reference A Gyroda t a D i r e c t i ona i Survey B.P. EXPLORATION WELL: F-36, 5.5"DP Location: F PAD, PRUDHOE BAY, Job Number: AK0196G317 W.O.A. MEASURED DEPTH feet I N C L AZIMUTH VERTICAL DEPTH deg. deg. feet VERTICAL SECTION feet SUBSEA DOGLEG CLOSURE DEPTH SEVERITY DIST. AZIMUTH feet deg./ feet deg. 100 ft. 0.0 0.00 0o00 0.0 0.0 -64.7 0o00 0.0 0.0 0 - 6650 FT. GYRO MULTISHOT RUN IN 5" DRILLPIPE. MEASURED DEPTHS ARE REFERENCED TO AN R.K.B. OF 64.7 FT. ABOVE SEA LEVEL. Page 1 HORIZONTAL COORDINATES feet 0.00 N 0.00 E 105.0 .18 178.83 105.0 -.1 40.3 .18 .2 178.8 205.0 .02 163.32 205.0 -.3 140.3 .16 .3 178.0 305.0 .08 61.11 305.0 -.3 240.3 .08 .3 167.3 405.0 .06 331.49 405.0 -.3 340.3 .10 .3 157.2 505.0 1.17 303.03 505.0 .7 440.3 1.12 .8 294.0 605.0 3.48 293.56 604.9 4.1 540.2 2.34 4.9 295.6 705.0 3.92 288.16 704.7 9.3 640.0 .56 11.3 292.8 805.0 5.28 272.66 804.4 14.5 739.7 1.83 19.2 287.2 905.0 5.91 266.96 903.9 19.6 839.2 .84 28.6 281.3 1005.0 7.47 261.93 1003.2 24.7 938.5 1.66 39.9 276.4 1105.0 9.33 262.75 1102.1 30.8 1037.4 1.86 54.1 272.6 1205.0 10.22 267.24 1200.7 38.5 1136.0 1.17 71.0 270.8 1305.0 9.90 273.47 1299.2 47.8 1234.5 1.13 88.4. 270.7 1405.0 9.96 283.35 1397.7 59.0 1333.0 1.70 105.5 272.0 1505.0 9.94 291.22 1496.2 72.0 1431.5 1.36 122.2 274.1 1605.0 10.38 297.12 1594.6 86.7 1529.9 1.13 138.9 276.6 1705.0 11.33 303.43 1692.8 103.3 1628.1 1.52 156.3 279.4 1805.0 12.89 311.70 1790.6 123.0 1725.9 2.33 174.9 282.7 1905.0 13.28 319.11 1888.0 145.0 1823.3 1.72 194.3 286.3 2005.0 14.86 327.40 1985.0 169.2 1920.3 2.56 214.1 290.2 .17 S .00 E .35 S .01 E .34 S .08 E .26 S .11 E .34 N .77 W 2.11 N 4.41 W 4.39 N 10.44 W 5.67 N 18.29 W 5.62 N 28.03 W 4.43 N 39.61 W 2.49 N 54.08 W 1.04 N 70.98 1.14 N 88.42 W 3.66 N 105.42 W 8.78 N 121.88 W 16.01 N 137.94 W 25.53 N 154.16 W 38.36 N 170.69 W 54.47 N 186.54 W 73.96 N 200.97 W A Gyrodat a Di re c t i ona i Survey B.P. EXPLORATION WELL: F-36, 5.5"DP Location: F PAD, PRUDHOE BAY, Job Number: AK0196G317 WoOoAo Page MEASURED DEPTH feet I N C L AZIMUTH VERTICAL DEPTH deg. deg. feet VERTICAL SECTION feet SUBSEA DEPTH feet DOGLEG CLOSURE SEVERITY DIST. AZIMUTH deg./ feet dego 100 ft. HORIZONTAL COORDINATES feet 2055.0 2105.0 2155.0 2205.0 2255.0 16.46 330.95 2033.1 19.03 332.24 2080.8 20.78 332.83 2127.8 22.64 330.79 2174.2 23.76 332.43 2220.2 182.7 197.9 214o9 233.3 253.0 1968.4 3.72 224.8 292°4 2016.1 5.22 236.8 294.7 2063.1 3.51 250.4 297.1 2109.5 4.02 265.9 299.4 2155.5 2.57 282.7 301o5 85.55 N 207.86 W 98.96 N 215.10 W 114.07 N 222.95 ' 130.36 N 231.70 ~ 147.69 N 241.05 W 2305 2355 2405 2455 2505 .0 .0 .0 .0 .0 25.31 332.57 2265.7 26.80 333.36 2310.6 28.49 331.19 2354.9 29.91 330.31 2398.5 31.22 329.85 2441.6 273.7 295.6 318.7 343.1 368.5 2201.0 3.11 300.7 303.5 2245.9 3.07 320.0 305.5 2290.2 3.93 340.9 307.2 2333.8 2.97 363.4 308.8 2376.9 2.66 387.2 310.1 166.10 N 2'50.64 W 185.67 N 260.62 W 206.20 N 271.42 W 227.48 N 283.34 W 249.52 N 296.03 W 2555 2605 2655 2705 2755 .0 .0 .0 .0 .0 31.51 331.16 2484.3 32.19 331.61 2526.7 32.58 331.97 2569.0 33.32 331.89 2610.9 34'.25 331.72 2652.5 394.5 420.8 447.5 474.7 502.4 2419.6 2462.0 2504.3 2546.2 2587.8 1.48 411.7 311.4 1.44 436.5 312.6 · 86 461.9 313.7 1.48 487.8 314.7 1.88 514.5 315.6 272.17 N 308.85 W 295.33 N 321.48 W 318.93 N 334.14 W 342.93 N 346.94 W 367.43 N 360.07 W 2805 2855 2905 2955 3005 .0 .0 .0 .0 .0 34.51 331.52 2693.7 35.16 331.79 2734.8 3.5.98 331.37 2775.4 37.52 329.99 2815.5 37.83 329.90 2855.1 530.6 559.1 588.1 618.0 648.5 2629.0 .55 541.6 316.4 2670.1 1.34 569.2 317.2 2710.7 1.72 597.5 317.9 2750.8 3.48 626.7 318.5 2790.4 .64 656.6 319.0 392.27 N 373.49 W 417.41 N 387.05 442.99 N 400.89 w 469.06 N 415.55 W 495.51 N 430.85 W 3105.0 3205.0 3255.0 3305.0 3355.0 38.69 330.08 2933.6 39.70 329.44 3011.1 39.96 329.50 3049.5 41.38 329.72 3087.4 42.76 329.26 3124.5 710.4 773.6 805.6 838.2 871.7 2868.9 .87 717.5 319.9 2946.4 1.08 779.9 320.7 2984.8 .53 811.5 321.1 3022.7 2.85 843.8 321.4 3059.8 2.84 876.9 321.7 549.14 N 461.82 W 603.73 N 493.65 W 631.32 N 509.92 W 659.43 N 526.40 W 688.29 N 543.41 W A Gyrodat a D i re c t iona i Survey BoP. EXPLORATION WELL: F-36, 5.5"DP Location: F PAD, PRUDHOE BAY, Job Number: AK0196G317 W.O.A. Page MEASURED DEPTH feet I N C L AZIMUTH VERTICAL DEPTH deg. deg. feet VERTICAL SECTION feet SUBSEA DOGLEG CLOSURE DEPTH SEVERITY DIST. AZIMUTH feet deg./ feet deg. 100 ft. HORIZONTAL COORDINATES feet 3405.0 3505.0 3605.0 3705.0 3805.0 43.99 326.90 3160.9 44.91 326.89 3232.3 45.49 328.23 3302.7 45.32 327.37 3372.9 45.23 326.70 3443.3 906.0 976.0 1047.0 1118.2 1'189.2 3096.2 4.07 911.1 321.9 3167.6 .92 980.9 322.3 3238.0 1oll 1051.5 322.7 3308.2 .63 1122.5 323.0 3378.6 .49 1193.3 323.2 717.42 N 561.57 W 776.08 N 599.82 W 835.96 N 637.87 ' 896.22 N 675.82 . 955.82 N 714.48 W 3905.0 4005.0 4105.0 4205.0 4305.0 45.36 326.62 3513.7 46.33 327.37 3583.3 46.68 327.56 3652.1 46.73 327.66 3720.7 46.94 327.52 3789.1 1260.3 1332.0 1404.5 1477.3 1550.3 3449.0 .15 1264.3 323.4 3518.6 1.11 1335.9 323.6 3587.4 .37 1408.3 323.8 3656.0 .08 1480.9 324.0 3724.4 .23 1553.7 324.2 1015.20 N · 1075.37 N 1136.53 N 1197.99 N 1259.57 N 753.54 W 792.63 W 831.64 W 870.62 W 909.72 W 4405.0 4505.0 4605.0 4705.0 4805.0 46.31 327.95 3857.8 44.88 329.01 3927.8 45.45 327.57 3998.3 45.31 328.13 4068.5 45.49 328.38 4138.8 1622.9 1694.4 1765.3 1836.5 1907.7 3793.1 .70 1626.3 324.3 3863.1 1.61 1697.5 324.5 3933.6 1.16 1768.3 324.6 4003.8 .42 1839.4 324.8 4074.1 .26 1910.5 324.9 1321.03 N 1381.92 N 1442.24 N 1502.51 N 1563.06 N 948.52 W 985.87 W 1023.15 W 1061.02 W 1098.48 W 4905.0 5005.0 5105.0 5205.0 5305.0 45.47 328.15 4208.9 45.38 326.79 4279.1 45.27 328.45 4349.4 46.52 328.31 4419.0 47.01 329.25 4487.5 1979.0 2050.2 2121.3 2193.1 2265.9 4144.2 .17 1981.6 325.0 4214.4 .97 2052.8 325.1 4284.7 1.19 2123.8 325.2 4354.3 1.25 2195.5 325.3 4422.8 .84 2268.3 325.4 1623.70 N 1683.75 N 1743.81 N 1804.96 N 1867.26 N 1135.99 W 1174.29 1212.37 ~, 1250.01 W 1287.77 W 5405.0 5505.0 5605.0 5705.0 5805.0 47.31 327.93 4555.5 45.42 328.47 4624.5 44.95 329.24 4694.9 45.51 329.75 4765.4 45.96 330.38 4835.2 2339.3 2411.6 2482.6 2553.5 2625.1 4490.8 1.01 2341.5 325.5 4559.8 1.93 2413.8 325.6 4630.2 .72 2484'.6 325.7 4700.7 .67 2555.4 325.8 4770.5 .63 2626.9 325.9 1929.84 N 1991.34 N 2052.05 N 2113.22 N 2175.28 N 1325.99 W 1364.13 W 1400.82 W 1436.85 W 1472.59 W A Gyrodat a D i r e c t i ona i Survey B.P. EXPLORATION WELL: F-36, 5.5"DP Location: F PAD, PRUDHOE BAy, Job Number: AK0196G317 W.O.A. Page MEASURED I N C L AZIMUTH VERTICAL DEPTH DEPTH feet deg. deg. feet VERTICAL SUBSEA DOGLEG CLOSURE SECTION DEPTH SEVERITY DIST. AZIMUTH feet feet deg./ feet deg. 100 ft. HORIZONTAL COORDINATES feet 5905.0 44.03 328.70 4905.9 6005.0 42.58 328.14 4978.6 6035.0 42.82 327.83 5000.7 6065.0 43.19 328.22 5022.6 6095.0 43.50 327.65 5044.4 2695.8 4841.2 2.26 2697.4 326.0 2764.4 4913.9 1.50 2765.9 326.1 2784.7 4936.0 1.06 2786.3 326.1 2805.2 4957.9 1.51 2806.7 326.1 2825.8 4979.7 1.66 2827.3 326.1 2236.23 N 2294.66 N 2311.92 N 2329.28 N 2346.73 N 1508.41 W 1544.33 W 1555.11 ' ) 1565 95 1576.88 W 6125.0 43.51 327.89 5066.2 6155.0 43.73 327.02 5087.9 6185.0 44.40 327.59 5109.5 6215.0 44.46 328.64 5130.9 6245.0 45.09 328.32 5152.2 2846.4 5001.5 .54 2847.9 326.1 2867.1 5023.2 2.14 2868.6 326.1 2888.0 5044.8 2.58 2889.5 326.1 2909.0 5066.2 2.46 2910.5 326.1 2930.1 5087.5 2.24 2931.6 326.2 2364.19 N 2381.64 N 2399.20 N 2417.03 N 2435.04 N 1587.89 W 1599.03 W 1610.30 W 1621.39 W 1632.43 W 6275.0 45.10 328.23 5173.4 6305.0 45.20 328.60 5194.5 6335.0 45.55 328.64 5215.6 6365.0 45.88 328.61 5236.6 6395.0 46.04 328.27 5257.4 2951.3 .5108.7 .19 2952.8 326.2 2972.6 5129.8 .94 2974.1 326.2 2994.0 5150.9 1.18 2995.4 326.2 3015.4 5171.9 1.10 3016.9 326.2 3037.0 5192.7 .98 3038.4 326.2 2453.12 N 2471.23 N 2489.46 N 2507.80 N 2526.17 N 1643.61 W 1654.74 W 1665.86 W 1677.04 W 1688.33 W 6425.0 45.28 328.55 5278.4 6455.0 44.52 327.35 5299.6 6485.0 43.70 328.37 5321.2 6515.0 43.91 327.76 5342.8 6545.0 43.18 328.04 5364.6 3058.4 5213.7 2.63 3059.9 326.3 3079.6 5234.9 3.80 3081.0 326.3 3100.5 5256.5 3.60 3101.9 326.3 3121.3 5278.1 1.57 3122.7 326.3 3141.9 5299.9 2.50 3143.3 326.3 2544.45 N 2562.40 N 2580.08 N 2597.70 N 2615.21 N 1699.57 W 1710.80 1721.91 ,, 1732.90 W 1743.88 W 6575.0 42.65 328.00 5386.5 6605.0 42.65 327.46 5408.6 6650.0 42.99 327.98 5441.6 3162.4 5321.8 1.78 3163.7 326.3 3182.7 5343.9 1.22 3184.1 326.3 3213.3 5376.9 1.09 3214.6 326.3 2632.53 N 2649.72 N 2675.58 N 1754.70 W 1765.55 W 1781.89 W Final Station Closure: Distance: 3214.63 ft Az: 326.34 deg. A Gyroda t a D i r e c t ional Survey for B.P. EXPLORATION WELL: F-36, 5.5"DP Location: F PAD, PRUDHOE BAY, W.O.A. Job Number: AK0196G317SS Run Date: 3-Jan-96 22:43:43 Surveyor: TOM STODDARD Calculation Method: MINIMUM CURVATURE Survey Latitude: 70.336000 deg. N Sub-sea Correction from Vertical Reference: 64.7 ft. Azimuth Correction: Gyro: Bearings are Relative to True North Proposed Well Direction: 328.000 deg Vertical Section Calculated from Well Head Location Closure Calculated from Well Head Location Horizontal Coordinates Calculated from Local Horizontal Reference A Gyrodat a Di rec t iona i Survey B.P. EXPLORATION WELL: F-36, 5.5"DP Location: F PAD, PRUDHOE BAY, Job Number: AK0196G317SS W.O.A. Page SUBSEA I N C L AZIMUTH VERTICAL VERTICAL DOGLEG CLOSURE DEPTH DEPTH SECTION SEVERITY DIST. AZIMUTH feet deg. deg. feet feet deg./ feet deg. 100 ft. HORIZONTAL COORDINATES feet -6407 0.00 0.00 0.0 0.0 0.00 0.0 0.0 0.00 N 0.00 E 0 - 6650 FT. GYRO MULTISHOT RUN IN 5" DRILLPIPE. MEASURED DEPTHS ARE REFERENCED TO AN R.K.B. OF 64.7 FT. ABOVE SEA LEVEL. 100o0 .09 169.57 164.7 -.2 .17 .3 178.3 200.0 .05 102.30 264.7 -.3 .12 .3 171.6 300~0 .07 222.53 364.7 -.3 .09 .3 161.3 400.0 .72 314.50 464.7 .3 .71 .8 238.9 500.0 2.55 297.37 564.7 2.7 1.85 4.9 295.0 600.0 3.75 290.33 664.7 7.2 1.27 11.3 293.9 700.0 4.74 278.83 764.7 12.4 1.33 19.2 289.5 800.0 5.66 269.21 864.7 17.6 1.23 28.6 283.7 900.0 6.86 263.88 964.7 22.8 1.34 39.9 278.3 1000.0 8.62 262.44 1064.7 28.5 1.79 54.1 274.1 1100.0 9.89 265.60 1164.7 35.7 1.42 71.0 271.5 1200.0 10.01 271.29 1264.7 44.6 1.15 88.4 270.8 1300.0 9.94 280.05 1364.7 55.2 1.51 105.5 271.6. 1400.0 9.95 288.71 1464.7 67.9 1.47 122.2 273.4 1500.0 10.25 295.33 1564.7 82.2 1.20 138.9 275.9 1600.0 11.06 301.62 1664.7 98.6 1.41 156.3 278.6 1700.0 12.48 309.51 1764.7 117.8 2.11 174.9 281.8 1800.0 13.19 317.34 1864.7 139.8 1.87 194.3 285.4 1900.0 14.53 325.67 1964.7 164.2 2.38 214.1 289.4 2000.0 18.16 331.80 2064.7 192.8 4.71 236.8 293.9 .28 S .01 E .34 S .05 E .29 S .10 E .31 N .50 W 1.40 N 2.95 W 3.48 N 8.03 W 5.16 N 15.17 W 5.64 N 24.19 W 4.89 N 35.12 W 3.23 N 48.60 W 1.57 N 64.81 W 1.10 N 82.32 W 2.81 N 99.73 W 7.14 N 116.62 W 13.81 N 133.06 W 22.80 N 149.52 W 34.96 N 166.31 W 50.61 N 182.75 W 69.88 N 197.95 W 94.44 N 212.66 W A Gyroda t a D i r e c t i ona i Survey B.P. EXPLORATION WELL: F-36, 5.5"DP Location: F PAD, PRUDHOE BAY, Job Number: AK0196G317SS W.O.A. Page SUBSEA I N C L AZIMUTH VERTICAL VERTICAL DEPTH DEPTH SECTION feet deg. dego feet feet DOGLEG SEVERITY deg./ 100 ft. CLOSURE DIST. AZIMUTH feet deg. H O R I Z O N T'A L COORDINATES feet 2100.0 22.26 331.21 2200.0 25.28 332.57 2300.0 28o81 330.99 2400.0 31.38 330.56 2500.0 32.54 331.93 2164.7 2264.7 2364.7 2464.7 2564.7 229.5 273.2 324.2 382.6 444.8 3.91 3.10 3.71 2.02 .92 265.9 298.9 300.7 303.5 363.4 307.6 411.7 310.8 461.9 313.6 127.02 N 165.71 N 210.99 N 261.79 N 316.55 N 229.90 W 250.43 W 274.10 W 302.97 W 332.87 W 2600.0 34.33 331.66 2700.0 35.76 331.48 2800.0 37.94 329.92 2900.0 39.10 329.82 3000.0 40.53 329.59 2664.7 2764.7 2864.7 2964.7 3064.7 510 580 656 735 818 .8 .4 .1 .8 .7 .49 .62 .67 .95 .46 541.6 315.8 597.5 317.7 717.5 319.1 779.9 320.3 843.8 321.2 374.80 N 436.23 N 502.08 N 571.05 N 642.58 N 364.05 W 397.24 W 434.64 W 474.60 W 516.53 W 3100.0 44.04 326.90 3200.0 45.17 327.51 3300.0 45.34 327.47 3400~0 45.27 326.67 3500.0 46.07 327.17 3164.7 3264.7 3364.7 3464.7 3564.7 909 1008 1109 1210 1312 .7 .7 .8 .8 .8 3.90 1.01 .69 .38 .85 980.9 322.0 1051.5 322.5 1122.5 322.9 1264.3 323.3 1335.9 323.6 720.56 N 803.64 N 889.14 N 973.87 N 1059.28 N 563.62 W 617.33 W 671.36 W 726.35 W 782.18 W 3600.0 46.69 327.58 3700.0 46.86 327.57 3800.0 46.17 328.06 3900.0 45.18 328.26 4000.0 45.32 328.10 3664.7 3764.7 3864.7 3964.7 4064.7 1417 1524 1630 1731 1832 .9 .2 .0 .5 .6 .32 .18 .79 1.38 .46 1480.9 323.8 1553.7 324.1 1697.5 324.3 1768.3 324.6 1839.4 324.8 1147.78 N 1237.57 N 1327.02 N 1413.50 N 1499.21 N 838.77 W 895.75 W 952.19 W 1005.38 W 1058.95 W 4100.0 45.48 328.30 4200.0 45.40 327.07 4300.0 45.55 328.42 4400.0 46.85 328.94 4500.0 47.06 328.00 4164.7 4264.7 4364.7 4464.7 4564.7 1934 2035 2137 2241 2349 .0 .6 .1 .7 .0 .22 .81 1.20 .98 1.14 1981.6 324.9 2052.8 325.1 2195.5 325.2 2268.3 325.4 2413.8 325.5 1585.50 N 1671.47 N 1757.28 N 1846.56 N 1938.08 N 1112.36 W 1166.45 W 1220.66 W 1275.22 W 1331.10 W A Gyroda t a D i r e c t i on a i Survey B.Po EXPLORATION WELL: F-36, 5.5"DP Location: F PAD, PRUDHOE BAY, Job Number: AK0196G317SS W.OoA. Page SUBSEA I N C L AZIMUTH DEPTH feet deg. deg. VERTICAL VERTICAL DOGLEG CLOSURE DEPTH SECTION SEVERITY DIST. AZIMUTH feet feet deg./ feet deg. 100 ft. HORIZONTAL COORDINATES feet 4600.0 45.15 328.91 4700.0 45.51' 329.75 4800.0 45.16 329.68 4900°0 42.86 328.25 5000.0 43.51 327.87 4664.7 2452.1 1.24 2484.6 325.6 4764.7 2552.9 .67 2555.4 325.8 4864.7 2654.6 1.31 2697.4 325.9 4964.7 2751.2 1.65 2765.9 326.0 5064.7 2845.0 .62 2847.9 326.1 2026.00 N 2112.64 N 2200.73 N 2283.47 N 2362.99 N 1385.08 W 1436.51 W 1487.55 W 1537.44 W 1587.13 W 5100.0 45.09 328.27 5200.0 45.77 328.37 5300.0 43.18 328.03 5376.9 42.99 327.98 5164.7 2942.6 1.03 2952.8 326.2 5264.7 3044.4 1.55 3059.9 326.2 5364.7 3142.1 2.50 3163.7 326.3 5441.6 3213.3 1.09 3214.6 326.3 2445.71 N 2532.52 N 2615.31 N 2675.58 N 1639.03 W 1692.24 W 1743.94 W 1781.89 W Final Station Closure: Distance: 3214.63 ft Az: 326.34 deg. ,gyro/data 4. QUALITY CONTROL SR317.DOC Quality Control Comparisons B.P. EXPLORATION F PAD, WELL NO. F-36 PRUDHOE. BAY FIELD, W.O.A., ALASKA Job Number : AK0196G317 / AK0196G317 INRUN/OUTRUN Comparison INRUN OUTRUN INRUN Depth Inc Inc Delta Az 1005.0 7.19 7.47 -.277 262.51 2005.0 14.62 14.86 -.243 327.54 3005.0 37.84 37.83 .004 330.47 4005.0 46.25 46.33 -.088 327.17 5005.0 45.35 45.38 -.033 326.99 6005.0 42.80 42.58 .215 328.50 6650.0 42.99 42.99, -.001 327.76 For Inclinations Greater than 0 degrees: Average Inclination Difference = -.0603 deg. Average Azimuth Difference = .20253 deg. OUTRUN Az 261.93 327.40 329.90 327.37 326.79 328.14 327.98 Delta .575 .137 .563 -.197 .201 .355 -.216 gyro/data QUALITY CONTROL REPORT JOB NUMBER · AK0196G317 TOOL NUMBER' O8O MAXIMUM GYRO TEMPERATURE' 75.08 C MAXIMUM AMBIENT TEMPERATURE ' 42.9C MAXIMUM INCLINATION' 46.94 AVERAGE AZIMUTH · 33.6015 WIRELINE REZERO VALUE ' +5 REZERO ERROR / K ' .009 CALIBRATION USED FOR FIELD SURVEY' 1248 CALIBRATION USED FOR FINAL SURVEY ' PRE JOB MASS BALANCE OFFSET CHECK · 1248 -.35 POST JOB MASS BALANCE OFFSET CHECK] · CONDITION OF SHOCK WATCHES -.4251 USED -.4251 UPON ARRIVAL AT RIG · OK UPON COMPLETION OF SURVEY' OK UPON RETURN TO ATLAS OK BOTTOM LINE COMPARISIONS M.D. INC AZIMUTH TVD NORTHING EASTING FIELD SURVEY 6650 42.99 327.98 5441.6 2675.6 N 1781.9 W FINAL SURVEY 6650 42.99 327.98 5441.6 2675.58 N 1781.89W SR317.DOC gyro/data FUNCTION TEST JOB NUMBER: AK0196G317 5 Survey stations were collected at the measured depth shown below. The tables show the repeatability of the gyro tool in both inclination and azimuth at one measured depth. INCLINATION M.D. ft 1 2 3 4 5 6650 42.99 42.99 42.99 42.99 42.99 AZIMUTH M.D. ft 1 2 3 4 5 6650 327.91 327.91 327.91 327.95 327.94 SR317.DOC gyro/data 5. EQUIPMENT AND CHRONOLOGICAL REPORT SR317.DOC gyro/data EQUIPMENT REPORT JOB NUMBER: AK0196G317 DOWNHOLE ELECTRONICS SURFACE ELECTRONICS PRIMARY TOOL No. 080 GYRO SECTION A0099 DATA SECTION C0031 POWER SECTION C0006 COMPUTER A0213 POWER SUPPLY A0085 PRINTER A0029 INTERFACE A0035 BACKUP TOOL No. 713 GYRO SECTION A0088 DATA SECTION C0023 POWER SECTION C0022 COMPUTER A0215 POWER SUPPLY A0055 PRINTER A0079 INTERFACE A0071 WIRELINE COMPANY: ATLAS WIRELINE CABLE SIZE: 5/16" RUNNING GEAR 2 1/2" SYSTEM TOTAL LENGTH OF TOOL: 17.5 feet MAXIMUM O.D.: 2.5 INCHES TOTAL WEIGHT OF TOOL: 240Lbs SR317.D©C gyro/data CHRONOLOGICAL REPORT JOB NUMBER: AK0196G317 1/02/96 07:00 01/03/96 08:30 10:00 10:05 11:00 12:10 13:00 13:40 15:00 16:00 LEAVE ATLAS ARRIVED AT LOCATION SPOT UNIT, MAKE UP TOOL, STAND BY FOR RIG RUNNING IN HOLE 6650' SURVEYING OUT AT 4700' AT 2400 LAY DOWN AND BREAK DOWN TOOL PROCESS SURVEY. RETURN TO ATLAS AND PACKED UP TOOLS. SR317. DOC MEMORANDUM TO: THRU: State of Alaska Alaska Oil and Gas Conservation Commission David Joh n..~,' Chairnla~,//~ Blair Wondzell, P. I. Supervisor DATE: January 23, 1996 FILE NO: ahnlawdd.doc FROM: John Spaulding, ~ SUBJECT: Petroleum Insp. BOPE Test Nabors 18E BPX F-36 PBU Prudhoe Oil Pool PTD 95-196 Tuesday January 23, '1996' ! traveled this date to BPX's PBU well F-36 to witness the BOPE test on Nabors rig 18E. The AOGCC test report is attached for reference. As noted on the report 1 failure on a choke manifold valve was observed, this valve is being rebuilt and will be re-tested within 24 hours. All other related components tested quite well. The rig and the surrounding area is well laid out allowing good access to the rig. Summary' I witnessed the BOPE test on Nabors 18E, with 1 failure and 3.5 hrs. test time. Attachments: ahnlawdd.xls STATE OF ALASKA OIL AND GAS CONSERVATION COMMISSION BOPE Test Report OPERATION: Drlg: X Drlg Contractor: Operator: Well Name: Casing Size: 10 3/4" Test: Initial 1/23/96 Workover: DATE: Nabors Rig No. 18E PTD # 95-196 Rig Ph.# BPX Rep.: John Rail F-36 Rig Rep.: Don Dubois Set @ 3691' Location: Sec. 2 T. 11N R. 13E Meridian Umiat Weekly X Other 659-4608 TEST DATA MISC. INSPECTIONS: Location Gen.: ok Housekeeping: ok (Gen) PTD On Location yes Standing Order Posted yes Well Sign ok Drl. Rig ok Hazard Sec. yes BOP STACK: Annular Preventer Pipe Rams Lower Pipe Rams Blind Rams Choke Ln. Valves HCR Valves Kill Line Valves Check Valve Quan. 1 Test Press. P/F 300/3,000 P 500/5,000 P 500/5,000 P 500/5,000 P 500/5,000 P 500/5,000 P 500/5,000 P MUD SYSTEM: Visual Alarm Trip Tank ok ok Pit Level Indicators ok ok Flow Indicator ok ok Meth Gas Detector ok ok H2S Gas Detector ok ok FLOOR SAFETY VALVES: Upper Kelly / IBOP Lower Kelly / IBOP Ball Type Inside BOP Test Quan Pressure I 500/5,000 500/5,000 1 500/5,000 I 500/5,000 P/F CHOKE MANIFOLD: No. Valves No. Flanges Manual Chokes Hydraulic Chokes Test Pressure P/F 16 500/5,000 P* 42 500/5,000 P 2 P Functioned Functioned ACCUMULATOR SYSTEM: System Pressure Pressure After Closure 200 psi Attained After Closure System Pressure Attained Blind Switch Covers: Master: Nitgn. Btl's: 8 @ 2000 avg. 3,000 I P 1,400 P minutes 43 sec. minutes 20 sec. X Remote: X Psig. TEST RESULTS Number of Failures: I ,Test Time: 3.5 Hours. Number of valves tested 22 Repair or Replacement of Failed Equipment will be made within 1 days. Notify the Inspector and follow with Written or Faxed verification to :he AOGCC Commission Office at: Fax No. 276-7542 Inspector North Slope Pager No. 659-3607 or 3687 If your call is not returned by the inspector within 12 hours please contact the P. I. Supervisor at 279-1433 REMARKS: Excellent test; very good crew/I!! * 1 valve on choke manifold failed and will be rebuilt and tested within 24 hrs. Distribution: orig-Well File c- Oper./Rig c- Database c - Trip Rpt File c- Inspector STATE WITNESS REQUIRED? YES X NO 24 HOUR NOTICE GIVEN YES X NO Waived By: Witnessed By: FI-021L (Rev. 12/94) AHNLAWDD.XLS MEMORANDUM State of Alaska Alaska Oil and Gas Conservation Commission TO: David J0~ DATE: Chairman January 15, 1996 THRU: Blair Wondzell, P. I. Supervisor FILE NO: ajnhaodd.doc /' FROM: Doug Amos, ~.T SUBJECT: Petroleum InspectSr BOPE Test Nabors 18E BPX PBU F-36 Prudhoe Oil Pool PTD No. 95-196 · Monday, January 15, 1996' i traveled to BPX PBU F-36 to witness the BOPE test on Nabors Rig No. 18E. I found the rig and location in good condition. As the attached AOGCC BOPE Test Report indicates there was one failure. The Kill Line Manual Valve failed it's initial test. The valve was greased and reseted good. SUMMARY' Witnessed the BOPE test at BPX PBU F-36 well on Nabors Rig No. 18E. 3 test hours, 22 valves tested, one failure. Attachment: AJNHAODD.XLS STATE OF ALASKA OIL AND GAS CONSERVATION COMMISSION BOPE Test Report OPERATION: Drlg: X Drlg Contractor: Operator: Well Name: Casing Size: 10 3/4" Test: Initial X Workover: DATE: Nabors Rig No. 18E PTD # 95-196 Rig Ph.# BP Exploration Rep.: John Rail DS13-36 Rig Rep.: Billy Bixby Set @ 3,691 Location: Sec. 2 T. 11 N R. 13 E Meridian Umiat Weekly Other 1/15/96 659-4608 TEST DATA MISC. INSPECTIONS: Location Gen.: OK Housekeeping: OK (Gen) PTD On Location Yes Standing Order Posted Yes Well Sign Yes Drl. Rig OK Hazard Sec. Yes BOP STACK: Annular Preventer Pipe Rams Lower Pipe Rams Blind Rams Choke Ln. Valves HCR Valves Kill Line Valves Check Valve FLOOR SAFETY VALVES: Upper Kelly / IBOP Lower Kelly / IBOP Ball Type Inside BOP Test Quan. Pressure P/F 1 500/5,000 P 500/5,000 P 500/5,000 P 500/5,000 P Quan. Test Press. P/F Test 1 300/3, 000 P Pressure P/F ~ 6 500/5,000 P ~ 500/5,000 P ~ 500/5,000 P 1 500/5,000 P ~ 500/5,000 P 2 500/5,000 P ~ 500/5,000 F N/A CHOKE MANIFOLD: No. Valves No. Flanges Manual Chokes Hydraulic Chokes 42 500/5,000 P 1 P Functioned Functioned ACCUMULATOR SYSTEM: System Pressure 3,000 P Pressure After Closure 1,650 P MUD SYSTEM: Visual Alarm 200 psi Attained After Closure minutes 30 Trip Tank OK OK System Pressure Attained 1 minutes 38 Pit Level Indicators OK OK Blind Switch Covers: Master: Yes Remote: Flow Indicator OK OK Nitgn. Btl's: 8 @ 2,000 PSI Meth Gas Detector OK OK Psig. H2S Gas Detector OK OK sec. sec. Yes TEST RESULTS Number of Failures: I ,Test Time: 3,0 Hours. Number of valves tested 22 Repair or Replacement of Failed Equipment will be made within 0 days. Notify the Inspector and follow with Written or Faxed verification to the AOGCC Commission Office at: Fax No. 276-7542 Inspector North Slope Pager No. 659-3607 or 3687 If your call is not returned by the inspector within 12 hours please contact the P. I. Supervisor at 279-1433 REMARKS: Good crew excellent test!!!! The Kill line manual valve at the stack failed the initial test, the valve was greased and retested good. Distribution: orig-Well File c- Oper./Rig c- Database c - Trip Rpt File c- Inspector STATE WITNESS REQUIRED? YES X NO 24 HOUR NOTICE GIVEN YES X NO Waived By: Witnessed By: F1-021L (Rev. 12/94) AJNHAODD.XLS ~KA OIL AND GAS CONSERVATION COMMISSION TONY KNOWLE$, GOVERNOR 3001 PORCUPINE DRIVE ANCHORAGE, ALASKA 99501-3192 PHONE: (907) 279-1433 FAX: (907) 276-7542 December 18, 1995 Dan Stolz, Senior Drilling Engineer BP Exploration (Alaska), Inc. P O Box 196612 Anchorage, AK 99519-6612 Re: Well # Company- Permit # Surf Loc Btmhole Loc Prudhoe Bay Unit F-36 BP Exploration (Alaska), Inc. 95-196 2639'NSL, 2877'WEL, Sec 02, T11N, R13E, UM 394'NSL, 4504'WEL, Sec 26, T12N, R13E, UM Dear Mr. Stolz: Enclosed is the approved application for permit to drill the above referenced well. The permit to ddll does not exempt you from obtaining additional permits required by law from other governmental agencies, and does not authorize conducting drilling operations until all other required permitting determinations are made. Blowout prevention equipment (BOPE) must be tested in accordance with 20 AAC 25.035. Sufficient notice (approximately 24 hours) of the BOPE test performed before drilling below the surface casing shoe must be given so that a representative of the Commission may witness the test. Notice may be given by contacting the Commission petroleum field inspector on the North Slope pager at 659-3607. David W Johns, ton Chairman ~,,,~ BY ORDER OF TH leSION Ijb/encl c: Dept of Fish & Game, Habitat Section - w/o encl Dept of Environmental Conservation - w/o encl STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION PERMIT TO DRILL 20 AAC 25.005 la. Type of work Drill [] Redrill I-Illb. Type of well. Exploratory l-I Stratigraphic Test [] Development Oil [] Re-Entry [] DeepenFII Service [] Development Gas [] Single Zone [] Multiple Zone [] 2. Name of Operator 5. Datum Elevation (DF or KB) 110. Field and Pool BP Exploration Plan RTE = 65. 7 feet Prudhoe Bay Field/Prudhoe 3. Address 6. Property Designation Bay Pool P. O. Box 196612, Anchorage, Alaska 99519-6612 ADL 028277 4. Location of well at surface 7. Unit or property Name 11. Type Bond(see 20 ^AC 25.025) 2639' NSL, 2877' WEL, SEC. 2, T11N, R13E Prudhoe Bay Unit At top of productive interval 8. Well number Number 4815' NSL, 219' WEL, SEC. 34, T12N, R13E F-36 2S100302630-277 At total depth 9. Approximate spud date Amount 394' NSL, 4504' WEL, SEC. 26, T12N, R13E 12/22/95 $200,000.00 12. Distance to nearest 13. Distance to nearest well 4. Number of acres in pr0pertY15. Proposed depth(MD~ndTVD) property line ADL 028278 776 feet F-8, 23' at1914' MD feet 2560 14048' MD / 8981' TVD feet 16. To be completed for deviated wells 17. Anticipated pressure (see 20 Mc 25.035 Kickoff depth ~1oo feet Maximum hole angle 8s o M~imum su~ace 3330 psig At total depth (TVD) 8800'/4390 psig 18. Casing program Specifications Setting Depth s~ze Top Bottom Quantity of cement Hole Casing Weight Grade Coupling Length MD TVD MD TVD (include stage data) 30" 20" 91.5# H-40 Weld 80' 30' 30' 110' 110' 260 sx Arcticset (Approx.) 13-1/2" 10-3/4" 45. 5# NTSO B TC 3632' 29' 29' 3661' 3356' 12o5 sx cs///, $75 sx 'G; 250 sx CS 9-7/8" 7-5/8" 29.7# JSS-95 BTC-Mod 12701' 28' 28" 12729' 8861' 265 sx Class 'G' 6-3/4" 4-1/2" 12.6# L-80 NSCT 1469' 12579' 8836' 14048' 8981' Uncemented Slotted Liner Slotted 19. To be completed for Redrill, Re-entry, and Deepen Operations. Present well condition summary Total depth: measured feet Plugs (measured) true vertical feet Effective depth: measured feet Junk (measured) true vertical feet Casing Length Size Cemented Measured depth True Vertical depth Structural ConductorRECE. IVEU Surface Intermediate Production DEC - 4 1995 Liner Naska Oil & Gas Cons. ~;~.~mission Perforation depth: measured true vertical Anchorage 20. Attachments Filing fee [] Property plat [] BOP Sketch [] Diverter Sketch [] Drilling program[] Drilling fluid program [] Time vs depth plot [] Refraction analysis[] Seabed report[] 20 AAC 25.050 requirements[] 21. i hereby c~)~at ~g is true and correct to the best of my knowledge~Pv~ Signed Title Senior Drifting Engineer Date Commission Use Only Permit Number IAPI number IApproval,date/ See cover letter ~.~"--/,)~'~' 150-O.~..~ --'.~.. ~- ~--~ // I /~//~:~//'~'- for other requirements Conditions of approval Samples required [] Yes '!~ No Mud log required []Yes J:g No Hydrogen sulfide measures J~ Yes [] No Directional survey required ~ Yes [] No Required working pressure,_for.BQPE. [] 2M: 1-13M; ~5M; I-'I10M; I-]15M; Other:0rig!ha! bigneo uyby order of ~/~/"~.//~/~ Approved by qavid W. ,Johnston Commissioner [ne commission Date/' Form 10-401 Rev. 12-1-85 Submit in triplicate I Well Name: I F-36 I Well Plan Summary Type of Well (producer or injector): I Oil Producer Surface Location: 2639' FSL 2877' FEL Sec 2 T11N R13E Start of Horizontal Location: 4815' FSL 219' FEL Sec 34 T12N R13E End of Horizontal Location: 394' FSL 4504' FEL Sec 26 T12N R13E I AFE Number: 14P0737 I I Rig: I Nabors 18-E Estimated Start Date: I Dec. 22, 1995 I '1 Operating days to complete: 1 30 IUD.- 1~404s' I i TVD= I~e81' I IET'GL I KBE: 29.7' 65.7' Well Design (conventional, slimhole, etc.) I Slimhole Horizontal with 4-1/2" Slotted Liner Formation Markers: Formation Tops MD TVD (RKB) SV3 3677' 3366' Ugnu 5269' 4366' Seabee 8054' 6116' I KRU/LCU 10171' 7446' Top JD 11571' 8326' Top JB 121 34' 8666' Top Sag River 12729' 8861' 7-5/8" casing point Top Shublik · 13091' 8894' Top Sadlerochit 13883' 8966' TD Well 14048' 8981' 4-1/2" casing point Casin I/Tubing Proqram: Hole Size Csg/ Wt/Ft Grade Conn Length Top Btm Tb~l O.D. MD/TVD MD/TVD 30" 20" 91.5# H-40 Weld 80' 30'/30' 110'/110' 13-1/2" 10-3/4" 45.5# NT80 BTC 3632' 29'/29' 3661 '/3356' 9-7/8" 7-5/8" 29.7# USS-95 BTC- 12701' 28'/28' 12729'/8861' MOD 6-3/4" 4-1/2" 12.6# L-80 NSCT 1469' 12579?8836' 14048'/8981' slotted Tubing 4-1/2" 12.6# L-80 BTC- 12503' 26'/26' 12529'/8824' MOD RECEiVeD OEC - 4 1995 AJaska Oil & Gas Cons. uornmission Anchorage _ogging Program: I L°gs: I 13-1/2" Hole MWD Directional 9-7/8" Hole MWD Directional 6-3/4" Hole MWD GR/Directional/Resistivity Cased Hole: None Mud Proqram: Surface Mud Properties: I 13-1/2" hole section: SPUD Density Marsh Yield 10 sec 10 min pH Fluid (PPG) Viscosity Point ~lel ~lel Loss Initial 8.5 _+ 300 40-60 30-60 50-80 9-10 15-25 Final 9.5 100-200 25-50 15-25 25-40 9-10 15-25 Hazards/Concerns Due to light gravel expectations, no real concerns in surface hole. Intermediate Mud Properties: I 9-7/8" hole section to top of Sag: LSND Density Marsh Yield 10 sec 10 min pH Fluid (PPG) Viscosity Point ~lel gel Loss Initial 8.8-9.0 35-40 8-12 3-6 8-10 9.0-9.5 8-12 5270' 9.7 40-45 10-12 4-8 8-12 9.0-9.5 6-8 Final 9.8-9.9 45-50 12-15 4-8 8-12 9-10 <6 HTHP-15.0 Hazards/Concerns Cretaceous overpressure expected, MW to be at least 9.7 ppg. Utilize hi vis sweeps to assist hole cleaning Monitor LSYP and increase if problems occur trying to clean the hole. Potential high torque could need lubricant use. Reduce APl fluid loss to <6 cc before drilling Kingak Section. If high torque is encountered, respond with lubricants. Note: The Jurassic shales may be particularly troublesome, so treat with Baranex, and Boreplate at 2.0 ppb each. Production Mud Properties: I 6-3/4" hole section: FIo-Pro for Horizontal Depth Density Marsh Yield 10 sec 10 min pH Fluid (PPG) Viscosity Point ~lel ~lel Loss Initial 8.8-9.0 50-60 30-40 15-20 18-24 9.5-10.5 <6 Final 8.8-9.0 50-60 30-40 15-20 18-24 9.5-10.5 <6 Hazards/Concerns Lost Circulation a possibility due to overbalance in Sadlerochit. Differential sticking possible with overbalance situation. Perform/report daily checks on KCI concentrations in FIo-Pro system. High torque may be experienced and should be countered with lubricants. Directional: I KOP' I 00' Maximum Hole An~lle: Tangent Angle Close Approach Well: 85° 51° F-7 (27' away at 1259'), F-8 (23' away at 1914' MD) and F-38 (34' away at 2054' MD) Well Control: Well control equipment consisting of 5,000 psi W.P. pipe rams, blind rams, and annular preventer will be installed and is capable of handling maximum potential surface pressures. Diverter, BOPE and drilling fluid system schematics on file with AOGCC. i , -. . . . . 10. PROPOSED DRILLING AND COMPLETION PROGRAM WELL: F-36 [ 14- 26- 12 - 13 ] MIRU. NU diverter and function test same. Drill 13-1/2" hole to _+ 3661' MD/3356' TVD. Run and cement 10-3/4" 45.5# NT-80 BTC casing to surface. Install blowout prevention equipment consisting of 5,000 psi W.P. pipe rams, blind rams, and annular preventer. Function test BOPE to 5,000/250 psi. Test 10-3/4" casing to 3,000 psi for 30 minutes. A formation leak-off test will be performed 10' below the 10-3/4" shoe. Directionally drill 9-7/8" hole to the top of the Sag River @ 4-_ 12729' MD/8861' TVD. Run 7-5/8" 29.7# USS-95 BTC-MOD casing string and cement with Class G cement to 1,000' MD above the casing shoe. Test casing to 3,500 psi. Drill a 6-3/4" hole 10' outside of 7-5/8" casing and test the formation to a minimum of 0.5 ppg over the mud weight to be used to drill the hole section. Displace mud system to FIo-Pro mud system. Directionally drill high angle section to TD at _ 14048' MD/8981' TVD. Note - Carefully monitor torque and drag to ensure that parameters do not exceed the rating of 3 1/2" DP. Use lubricants as required. Make a hole opener run with a 7-5/8" casing scraper spaced to scrape the packer setting depth. Run 4-1/2" 12.6# NT-80 slotted liner with liner hanger/packer. Liner will be set at TD and lapped _+150' inside 7- 5/8" casing shoe. Displace well from FIo-Pro mud to filtered seawater. Spot lithium hypochlorite breaker across slotted liner length. Run 4-1/2" L-80 tubing with SSSV, GLM's, and 7-5/8" packer assembly. Set packer and test tubing annulus w/ 3500 psi. Set BPV. ND BOPE. Freeze protect well to 2100' TVD through shear valve in top GLM station. Release rig. Drilling Hazards · No hydrocarbon-bearing zones expected above the Sag River formation. · Gas cut mud has occurred on several wells on F Pad in the IKRU/LCU. Must be prepared for the possibility of shallow gas. · Stuck pipe and lost circulation problems have occurred on F Pad in the Kingak, Sag River, Shublik and Sadlerochit formations. Faults have shown to be highly conductive on F Pad. · A minimum of 9.7 ppg mud weight will be used to drill the Cretaceous injection interval. This will allow a 65 psi trip margin over the expected 9.4 ppg EMW @ 4500' TVDSS. RECEIVEtJ OE , - 4 199 Disposal Cuttings Handling: Cuttings should be hauled to the ball mill at CC-2A. Fluid Handling: All drilling and completion fluids can be annular injected. Request to have well F-36 for annular pumping. Request to AOGCC for Annular Pumping Approval for F-36: 1. Approval is requested for Annular Pumping into the F-36 10-3/4" x 7-5/8" casing annulus. 2. Aquifers in the Prudhoe Bay Field Western Operating Area (including K Pad) have been exempted from Class I'1 injection activities by the AOGCC by Aquifer Exemption Order #1 as referenced in Area Injection Order #3. There are no domestic or industrial use water wells located within one mile of the project area. 3. All F Pad wells are within a quarter of a mile of well F-36. 4 A maximum volume of 35,000 bbls of waste slurry with a maximum slurry density of 17 ppg will be disposed of down the F-36 annulus. 5. The 10-3/4" casing shoe will be set at 3661' MD (3356' TVD) which is below the Permafrost and in shale formations in the Sagavanirtok above the Ugnu Formation. 6. The burst rating (80%) for the 10-3/4" 45.5# NT-80 casing is 4170 psig while the collapse rating (80%) of the 7-5/8" 29.7# USS-95 casing is 5760 psig. The break down pressure of the Ugnu formation is 13.5 ppg equivalent mud weight. The Calculated Maximum Allowable Surface Pressure while annular pumping is calculated according to the following equation and is 2750 psi for a 10.0 ppg fluid in this well (Assumes worst case in which 7-5/8" casing is filled with gas), however, the Actual Maximum Allowable Surface Pressure will be 2000 psi (SSD Recommended Practices). MASP = 4170 psig - ((fluid density ppg - 1.9) X 0.052 X 10-3/4" Casing Shoe TVD) 7. A determination has been made that the pumping operation will not endanger the integrity of the well being drilled by the submission of data to AOGCC on 7/24/95 which demonstrates the confining layers, porosity, and permeability of the injection zone. 8. The cement design for this well ensures that annular pumping into hydrocarbon zones will not occur. AREA WELL PREV VOL PERMITTED PERMITTED INJECTED VOL DATES (BBLS) (BBLS) Prudhoe Bay F-36 0 0 Submitted for 199~, DO NOT EXCEED 35,000 BBLS IN ANY ANNULUS. 10-3/4" SURFACE CASING CEMENT PROGRAM - BJ SERVICES CASING SIZE: 10-3/4" PREFLUSH- 75 bbls fresh water ahead of lead slurry. LEAD CEMENT TYPE: COLD SET III ADDITIVES: retarder YIELD: 1.92 ft3/sx THICKENING TIME: > 4 hrs WEIGHT: 12.2 ppg APPROX. # SACKS: 1205 CIRC. TEMP: 40°F MIX WATER: 10.53 gps TAIL CEMENT TYPE: CLASS G ADDITIVES: 2% A-7 + 1.0 ghs FP-6L WEIGHT: 15.8 ppg YIELD: 1.15 ft3/sx APPROX. # SACKS: 375 THICKENING TIME: > 3-1/2 hrs MIX WATER: 4.95 gps TOP JOB CEMENT TYPE: COLD SET II ADDITIVES: WEIGHT: 14.95 ppg YIELD: 0.96 ft3/sx MIX WATER: 3.89 gps APPROX. # SACKS: 250 THICKENING TIME: Greater than 2 hrs @ 50°F CENTRALIZER PLACEMENT: 1. Run I bow type centralizer per joint for the first 15 joints. 2. Place the centralizers in the middle of each joint with a stop collar. CEMENT VOLUME: 1. Lead slurry from TD to surface w/100% excess (less the tail slurry volume). 2. Tail slurry volume 375 sx (to cover 500' of casing shoe w/100% excess). 3. Top job volume 250 sx. 7-5/8" PROTECTION CASING CEMENT PROGRAM - BJ SERVICES CASING SIZE: 7-5/8" CIRC. TEMP: 140°F PREFLUSH: 20 bbls fresh water SPACER: 50 bbls BJ MCS-4 Spacer weighted 1.0 ppg above mud weight. TAIL CEMENT TYPE: CLASS G ADDITIVES: 0.3% FL-52 + 0.5% CD-32 + 0.1% A-2 + 1.0 ghs FP-6L WEIGHT: 15.8 ppg YIELD: 1.14ft3/sx MIX WATER: 4.85gps APPROX. # SACKS: 265 THICKENING TIME: 3-1/2 to 4-1/2 hrs FLUID LOSS: 100-150 cc/30 minutes FREE WATER: 0 cc CENTRALIZER PLACEMENT: 1. Run I Turbulators per joint from TD to 500' MD above shoe. OTHER CONSIDERATIONS: Perform lab tests on mixed cement/spacer/mud program and ensure compatibility prior to pumping job. Ensure thickening times are adequate relative to pumping job requirement. Displace at 12 bpm. Mix the tail slurry on the fly. CEMENT VOLUME: 1. Tail slurry to 11,074' MD (1000' above shoe/Sag River) 2. 80' MD 7-5/8" 29.7# capacity for float joints. Note: No hydrocarbon bearing zones are expected in the Cretaceous interval SHARI-.D SERVTCbS DRTLLTNG .,.-, ~ F-36 (P VERTICAL SECIION VlE~ Section at: 336.93 TVD Scale.: I inch = ~600 feet o-- A _ Dep Scale.: I inch : 1600 feet Drawn ..... : ~1/~4/95 B' - _ Anadr~ ]1 SchYumberger ~0- d --~ Ha~ker Identification ND BKB SECTN INCLN D ~ A) KB 0 0 0 0.00 B) KOP/BUILD J/lO0 ~t00 t~00 0 0.00 C) BUILD t.5/J00 1500 ~500 ~4 4.00 )0-~ ~' DJ BUILD 2.5/J00 ~900 ~897 63 JO.O0 EJ END 2.5/t00 BUILD 3543 3282 880 5~.08 , F) _ - ___ 3677 3366 984 51.08 )0-- G) CURVE 8/~00 ~t8~7 8480 73t7 51.08 -~--- ............ m ..... ~_~ H) 7-5/8' CASING POINT ~27E9 8861 7889 84.78 I) END 8/~00 CURVE J2729 886J 7889 84.78 J) TARGEf ,2729' 886, 7889 84.78 ,0-~-~- ~~ '.~ .. . K) 4-,/~' CASING POINT 14048 898, 8291 84.78 .~ ~_~ ...... L) TD 14048 8gB, 8291 84.78 Ai4~ D~iLL AKA-DPC o-- ' .... ' c~ PER~a m.~m ~ .._ ,. . . . ~'~/~' -~g ....................... ~. _ ..... ~_ ~'~ ~¢ -~, ..... ...... mamma mm~'mm,am'mmm=mmmmm~mmm'=m mmmmm=mmmmm, mm mm ~'~ ~~- ....... I 0 800 1~0 ~400 3~00. 4000 4800 5600 6400 7200 8000 8800 9600 10400 (~,~,~v,i ] ] (c) 15:37 Anadrill DPC 907 344 2160 ~.. P. 06 SHARLD S'ERVICE Marker Ident i ficat ion MD A) KB 0 B) KOP/BUILO t/100 :ILO0 C) BUILD t.5/100 :1500 D) BUILD 2.5/~00 19o0 E) END 2.5/100 BUILD 3543 F) . ' 3677 G) CURVE 8/t00 t18~7 H) 7-5/8' CASING POINT ~2729 I) END 8/100 CLU4VE 1272g ;.I)TARGET 12729 K) 4-1/2' CASING POINT . 14048 ~) TO m 14048 N/S 0 0 :13 58 Bog 9O5 6732 7455 7455 7455 8314 8314 E/W 345 386 2867 2629 262g 2629 :1636 1636 S DRILLING -F-36 (P ]) PLAN VZE~ CLOSURE · 8474 feet at Azimuth 348.87 DECLZNATION.: +0.000 (E) SCALE ' ! inch : 1600 feet DRAWN 15/14/95 Jna#nj ]] Schlumberger 5600 4800 4000 [Ana~il! (cJ!~5 F3BP~ 2.50.04 ;~ ~ p) 3200 2400 1600 800 0 800 <- WEST' EAST -> 1600 2400 3200 4000 4800 5600 WELL PERMIT CHECKLIST WELL NAME PROGRAM: exp [] redrll [] serv [] INIT CLASS GEOL Ai~EA UNIT# ON/OFF SHORE ADMINISTRATION I. Permit fee attached 2. Lease number appropriate ............... 3. Unique well name and number .............. 4. Well located in a defined pool ............. N 5. Well located proper distance from drlg unit boundary.. 6. Well located proper distance from other wells ..... N 7. Sufficient acreage available in drilling unit ..... N 8. If deviated, is wellbore plat included ........ 9. Operator only affected party .............. N !0. Operator has appropriate bond in force ......... N 11. Permit can be issued without conservation order .... 12. Per, it can be issued without administrative approval. . · L~ N15-day 13 Can permit be approved before wait ....... ENGINEERING REMAP~KS '"GEbLO~M ..... 14. Conductor string provided ............... 15. Surface casing protects all known USDWs ........ 16. CMT vol adequate to circulate on conductor & surf csg. 18. CMT will cover all known productive horizons ....... 19. Casing designs adequate for C, T, B & permafrost .... 20. Adequate tankage or reserve pit ............. 21. If a re-drill, has a 10,403 for abndrunnt been approved. 22. Adequate we!lbore separation proposed .......... 23. If diverter required, is it adequate ........... 24. Drilling fluid program schematic & equip list adequate 25. ROPEs adequate ..................... 26. ROPE press rating adequate; test to ~-~ psig. 27. Choke manifold complies w/API RP-53 (May 84) ...... 28. Work will occur without operation shutdown ....... 29. Is presence of H2S gas probable ............ 30. Permit can be issued w/o hydrogen sulfide measures .... 31. Data presented on potential overpressure zones ..... 32. Seismic analysis of shallow gas zones .......... 33. Seabed condition survey (if off-shore) ........ 34. Contact name/phone for weekly progress reports . . ./~ [exploratory only] HOWfljb - A:'J=ORMS~cheklist rev 11/95 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 simp!ify 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. * ALASKA COMPUTING CENTER * . ****************************** . ............................ * * ....... SCHLUMBERGER ....... * . ............................ * ****************************** COMPANY NAME : ARCO ALASKA, INC. WELL NAME : D. S. 6-8A FIELD NAME : PRUDHOE BAY BOROUGH : NORTH SLOPE STATE : ALASKA API NUMBER : 500292030001 REFERENCE NO : 97293 RECEIVED ,JUL 2 5 1997 Na~l~a Oil & Gas Cons. Comrnissiort Anchorage LIS Tape Verification Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:33 PAGE: **** REEL HEADER **** SERVICE NAM~ : EDIT DATE ' 97/07/21 ORIGIN · FLIC REEL NAM~ : 97293 CONTINUATION # : PREVIOUS REEL : COMI~-2~f : ARCO ALASKA INC, D.S. 6-8A, PRUDHOE BAY, 50-029-20300-01 **** TAPE HEADER **** SERVICE NAME : EDIT DATE : 97/07/21 ORIGIN · FLIC TAPE NA~E : 97293 CONTINUATION # : 1 PREVIOUS TAPE : COf4F1ENT : ARCO ALASKA INC, D.S. 6-8A, PRUDHOE BAY, 50-029-20300-01 TAPE HEADER PRUDHOE BAY CASED HOLE WIRELINE LOGS WELL NAI~E: D. S. 6-8A API NUMBER: 500292030001 OPERATOR: ARCO ALASKA, INC. LOGGING COMPANY: SCHLUMBERGER WELL SERVICES TAPE CREATION DATE: 21-JUL-97 JOB NIIMBER: 97293 LOGGING ENGINEER: BAILEY OPERATOR WITNESS: M. BOLKOVATZ SURFACE LOCATION SECTION: 11 TOWNSHIP: 1 ON RANGE: 14 E FNL: 97 FSL: FEL: 1015 FWL: ELEVATION (FT FROM MSL O) KELLY BUSHING: 63.50 DERRICK FLOOR: 62. O0 GROUND LEVEL: 38.60 WELL CASING RECORD OPEN HOLE CASING DRILLERS CASING BIT SIZE (IN) SIZE (IN) DEPTH (FT) WEIGHT (LB/FT) 1ST STRING 9. 625 9795.0 47. O0 2ND STRING 7. 000 11316.0 29. O0 3RD STRING 5. 500 9490.0 17. O0 PRODUCTION STRING 4. 500 10438. 0 12. 60 CURVE SHIFT DATA - ALL PASSES TO STANDARD (MEASURED DEPTH) LIS Tape Ver~£ication Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:33 BASELINE CURVE FOR SHIFTS LDWG TOOL CODE: BCS LDWG CURVE CODE: GR RUN NUMBER: PASS NUFIBER : DATE LOGGED: 31 -DEC-95 LOGGING COMPANY: WESTERN ATLAS BASELINE DEPTH 88888.0 11148.0 11146.5 11143.5 11124.0 11104.5 11085.0 11082.0 11060.0 10969.0 10962.0 10954.0 10949.0 10930.0 10929.5 10920.5 10910.0 10909.0 10900.0 10899.5 10885.0 10871.0 10855.0 10843.5 10840.0 10816.0 10808.0 10800.5 10790.0 10789.0 10782.0 10773.0 10770.0 10755.5 10748.5 10741.0 10733.5 10714.5 10713.0 10688.0 10685.5 10671.0 10667.0 10664.5 10651.5 .......... EQUIVALENT UNSHIFTEDDEPTH .......... GRCH TDTP 88890.0 88890.0 11150.0 11150.0 11148.5 11148.5 11145.0 11145.0 11125.0 11125.0 11104.5 11104.5 11086.5 11086.5 11082.0 11082.0 11060.0 10969.0 10969.0 10963.0 10963.0 10956.0 10956.0 10950.0 10950.0 10930.5 10921.0 10910.5 10900.5 10885.5 10872 0 10855 0 10843 5 10839 5 10816 0 10808 0 10800 5 10790 0 10782.0 10773.5 10770.0 10754.5 10747.0 10741.0 10733.0 10714.5 10713.0 10688.0 10685.5 10670.5 10666.5 10664.0 10650.0 10930.5 10921.0 10910.5 10901.0 10885.5 10872.0 10855 0 10843 5 10839 5 10816 0 1O808 0 10800 5 10790.0 10782.0 10773.5 10770.0 10754.5 10747.0 10741.0 10733.0 10714.5 10713.0 10688.0 10685.5 10670.5 10666.5 10664.0 10650.0 PAGE: LIS Tape Verification Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:3~ 10649.0 10635.0 10629.5 10592.0 10578.0 10574.5 10566.5 10562.0 10553.5 10550.5 10547.5 10535.5 10534.0 10529.0 10524.5 10522.0 10516.5 10514.5 10509.0 10500.5 10495.5 10491.5 10487.5 10485.0 10480.5 10472.0 10468 0 10452 5 10452 0 10443 0 10414 0 10411 0 10408 5 10405 0 10397 0 10393.0 10327.5 10316.0 100.0 $ REM~a~KS: 10648 10634 10628 10587 10573 0 10569 5 10561 0 10556.5 10547 0 10545 0 10542 5 10530 5 10528 5 10524 0 10520.0 10517.0 10511.0 10508.5 10503.0 10495.0 10486.5 10482.5 10480.5 10475.5 10467.5 10463.0 10447.0 · 0 10648.0 0 10634.0 0 10628.0 0 10587.0 10573.0 10569.5 10561.0 10556.5 10547 0 10545 0 10542 5 10530 5 10528 5 10524 0 10520 0 10517 0 10511 0 10508.5 10503.0 10495.0 10491.5 10486.5 10482.5 10480.5 10475.5 10467.5 10463.0 10447.0 10437.5 10437.5 10408.5 10408.5 10404.5 10404.5 10403.0 10403 . 0 10399.5 10399.5 10391.5 10391.5 10387.0 10387.0 10322.0 10322.0 10312.0 10312.0 96.0 96.0 CONTAINED HEREIN IS THE TDTP DATA ACQUIRED ON ARCO ALASKA, INC. WELL D.S.6-8A. THE DEPTH SHIFTS SHOWN ABOVE REFLECT PASS #1 GRCH TO GR.BCS; AND PASS #1 SIGM TO GR.BCS. ALL OTHER TDTP CURVES WERE CARRIED WITH THE SIGM SHIFT. $ $ PAGE: LIS Tape Verification Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:33 PAGE: **** FILE HEADER **** FILE NAME : EDIT .001 SERVICE : FLIC VERSION : O01CO1 DATE : 97/07/21 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : FILE HEADER FILE NUAiBER : 1 EDITED CURVES Depth shifted and clipped curves for each pass in separate files. PASS NUMBER: 1 DEPTH INCREMENT: O. 5000 FILE SO?4MARY LDWG TOOL CODE START DEPTH STOP DEPTH GRCH 11164.0 10300.0 TDTP 11177.0 10300.0 $ CURVE SHIFT DATA - PASS TO PASS (MEASURED DEPTH) BASELINE CURVE FOR SHIFTS LDWG CURVE CODE: PASS NUMBER: BASELINE DEPTH .............. $ .......... EQUIVALENT UNSHIFTED DEPTH .......... GRCH TDTP REMARKS: THIS FILE CONTAINS TDTP PASS #1. NO PASS TO PASS SHIFTS WERE APPLIED TO THIS DATA. $ LIS FORMAT DATA ** DATA FORMAT SPECIFICATION RECORD ** ** SET TYPE - 64EB ** TYPE REPR CODE VALUE 1 66 0 2 66 0 3 73 92 4 66 1 LIS Tape Verification Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:33 PAGE: TYPE REPR CODE VALUE 5 66 6 73 7 65 8 68 0.5 9 65 FT 11 66 11 12 68 13 66 0 14 65 FT 15 66 68 16 66 1 0 66 0 ** SET TYPE - CHAN ** NAM~ SERV UNIT SERVICE API API API API FILE NUMB NUMB SIZE REPR PROCESS ID ORDER # LOG TYPE CLASS MOD NUMB SAMP ELEM CODE (HEX) DEPT FT 100767 SIGM TDTP CU 100767 TPHI TDTP PU-S 100767 SBHFTDTP CU 100767 SBPiN TDTP CU 100767 SIGC TDTP CU 100767 SIBHTDTP CU 100767 TRAT TDTP 100767 SDSI TDTP CU 100767 BACK TDTP CPS 100767 FBAC TDTP CPS 100767 TCAN TDTP CPS 100767 TCAF TDTP CPS 100767 TCND TDTP CPS 100767 TCFD TDTP CPS 100767 TSCN TDTP CPS 100767 TSCF TDTP CPS 100767 INND TDTP CPS 100767 INFD TDTP CPS 100767 GRCH TDTP GAPI 100767 TENS TDTP LB 100767 CCL TDTP V 100767 GR BCS GAPI 100767 O0 000 O0 0 1 1 1 4 68 0000000000 O0 000 O0 0 1 1 1 4 68 0000000000 O0 000 O0 0 1 1 1 4 68 0000000000 O0 000 O0 0 1 1 1 4 68 0000000000 O0 000 O0 0 1 1 1 4 68 0000000000 O0 000 O0 0 1 1 1 4 68 0000000000 O0 000 O0 0 1 1 1 4 68 0000000000 O0 000 O0 0 1 1 1 4 68 0000000000 O0 000 O0 0 1 1 1 4 68 0000000000 O0 000 O0 0 1 1 1 4 68 0000000000 O0 000 O0 0 1 1 1 4 68 0000000000 O0 000 O0 0 1 1 1 4 68 0000000000 O0 000 O0 0 1 1 1 4 68 0000000000 O0 000 O0 0 1 1 1 4 68 0000000000 O0 000 O0 0 1 1 1 4 68 0000000000 O0 000 O0 0 1 1 1 4 68 0000000000 O0 000 O0 0 1 1 1 4 68 0000000000 O0 000 O0 0 1 1 1 4 68 0000000000 O0 000 O0 0 1 1 1 4 68 0000000000 O0 000 O0 0 1 1 1 4 68 0000000000 O0 000 O0 0 1 1 1 4 68 0000000000 O0 000 O0 0 1 1 1 4 68 0000000000 O0 000 O0 0 1 1 1 4 68 0000000000 ** DATA ** DEPT. 11216.500 SIGM. TDTP -999.250 TPHI.TDTP -999.250 SBHF. TDTP -999.250 SBP~N. TDTP -999.250 SIGC. TDTP -999.250 SIBH. TDTP -999.250 TRAT. TDTP -999.250 SDSI.TDTP -999.250 BACK. TDTP -999.250 FBAC. TDTP -999.250 TCAN. TDTP -999.250 TCAF. TDTP -999.250 TCND. TDTP -999.250 TCFD. TDTP -999.250 TSCN. TDTP -999.250 TSCF. TDTP -999.250 INND. TDTP -999.250 INFD. TDTP -999.250 GRCH. TDTP -999.250 LIS Tape Verification Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:33 PAGE: TENS. TDTP -999.250 CCL.TDTP -999.250 GR.BCS 46.397 DEPT. 10250.500 SIGM. TDTP -999.250 TPHI. TDTP -999.250 SBHF. TDTP -999.250 SBHN. TDTP -999.250 SIGC. TDTP -999.250 SIBH. TDTP -999.250 TRAT. TDTP -999.250 SDSI.TDTP -999.250 BACK. TDTP -999.250 FBAC. TDTP -999.250 TCAN. TDTP -999.250 TCAF. TDTP -999.250 TCND. TDTP -999.250 TCFD.TDTP -999.250 TSCN. TDTP -999.250 TSCF. TDTP -999.250 INND. TDTP -999.250 INFD. TDTP -999.250 GRCH. TDTP -999.250 TENS. TDTP -999.250 CCL. TDTP -999.250 GR.BCS 126.251 ** END OF DATA ** **** FILE TRAILER **** FILE NAME : EDIT .001 SERVICE · FLIC VERSION : O01CO1 DATE : 97/07/21 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : **** FILE HEADER **** FILE NAME : EDIT .002 SERVICE : FLIC VERSION · O01CO1 DATE · 97/07/21 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : FILE HEADER FILE~ER: 2 EDITED CURVES Depth shifted and clipped curves for each pass in separate files. PASS NUMBER: 2 DEPTH INCREMEiFT: 0.5000 FILE SUFk~ARY LDWG TOOL CODE START DEPTH STOP DEPTH GRCH 11164.0 10510.0 TDTP 11177.0 10510.0 $ CURVE SHIFT DATA - PASS TO PASS (MEASURED DEPTH) BASELINE CURVE FOR SHIFTS LDWG CURVE CODE: GRCH PASS NUFIBER : 1 / · LIS Tape Veri£ication Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:33 PAGE: BASELINE DEPTH 88888.0 11152.0 11146.5 11138.0 11126.0 11112.5 11110.5 11105.0 11090.0 11086.0 11084.5 11082.5 11049.5 11007.5 10997.0 10984.0 10982.0 10980.5 10972.5 10968.0 10962.0 10961.5 10949.0 10941.5 10930.0 10929.0 10911 0 10908 5 10900 5 10900 0 10887 5 10885 5 10885 0 10882 0 10878 5 10861 0 1O855 5 10843 0 10840 0 10832.5 10816.5 10815.5 10809.0 108O8.0 10803.0 10802.0 10790.0 10789.0 10772.0 10762.0 10757.0 10746.5 .......... EQUIVALENT UNSHIFTEDDEPTH .......... GRCH ....... 88890.0 11154.0 11148.0 11111.0 11105.5 11086.5 11084.0 11082.0 11009.0 10982.5 10969.0 10963.0 10949.5 10930.5 10910.5 10900.5 10885.5 10882.0 10855.0 10839.5 10816.0 10807.5 10802.5 10790.0 TDTP 88889.5 11139.5 11127.0 11112.5 11090.5 11049.0 10996.5 10983.0 10980.0 10972.5 10962.5 10941.5 10930.5 10910.0 10901.0 10888.5 10885.0 10879.5 10862.0 10842.5 10832.5 10815.5 10809.0 10802.5 10790.0 10772.0 10762.0 10755.5 10745.0 LIS Tape Verification Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:33 PAGE: 10742.5 10741.5 10732.0 10721.5 10716.5 10714.5 10707.0 10703.5 10694.0 10686 0 10685 5 10682 5 10678 5 10674 5 10670 0 10665 0 10664 5 10650 0 10649 0 10643 0 10639 5 10635 5 10631 5 10625 0 10617 0 10613 0 10602 5 1 O598 0 10592 5 10584 5 10579.5 10576.5 10574.5 10573.0 10567.0 10566.5 10562.5 10561.5 10560.5 10557.5 10552.5 10551.0 10542.0 10538.0 10536.0 10534.0 10532.5 10532.0 10529.5 10523.0 10518.5 10516.5 100.0 $ 10741.0 10706.0 10685.5 10664.0 10648.5 10634.5 10613.5 10593.0 10587.5 10571.0 105 69.5 10561.0 10556.5 10553.5 10545.0 10530.5 10528.5 10526.0 10524.0 10510.5 94.0 10741.5 10731.5 10720.5 10716.5 10714.0 10703.0 10694.0 10685.0 10681.5 10677.5 10673.5 10669.0 10663.5 10647.5 10641.5 10638.5 10629.5 10623.0 10609.0 10597.5 10592.5 10587.0 10579.0 10574.0 10567.5 10561.0 10556.0 10551.0 10546.0 10537.0 10532.5 10526.5 10517.5 10513.0 94.5 LIS Tape Verification Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:~ PAGE: REMARKS: THIS FILE CONTAINS TDTP PASS #2. THE DEPTH SHIFTS SHOWN ABOVE REFLECT PASS #2 GRCH TO PASS #1GRCH; AND PASS #2 SIGM TO PASS #1 SIGM. ALL OTHER TDTP CURVES WERE CARRIED WITH THE SIGM SHIFT. $ LIS FORMAT DATA ** DATA FORMAT SPECIFICATION RECORD ** ** SET TYPE - 64EB ** TYPE REPR CODE VALUE 1 66 0 2 66 0 3 73 88 4 66 1 $ 66 6 73 7 65 8 68 0.5 9 65 FT 11 66 11 12 68 13 66 0 14 65 FT 15 66 68 16 66 1 0 66 1 ** SET TYPE - CHAN ** NAME SERV UNIT SERVICE API API API API FILE NUMB NUMB SIZE REPR PROCESS ID ORDER # LOG TYPE CLASS MOD NUMB SAMP ELEM CODE (HEX) DEPT FT 100767 O0 000 O0 0 2 1 1 4 68 0000000000 SIGMTDTP CU 100767 O0 000 O0 0 2 1 1 4 68 0000000000 TPHI TDTP PU-S 100767 O0 000 O0 0 2 1 1 4 68 0000000000 SBHF TDTP CU 100767 O0 000 O0 0 2 1 1 4 68 0000000000 SBHN TDTP CU 100767 O0 000 O0 0 2 1 1 4 68 0000000000 SIGC TDTP CU 100767 O0 000 O0 0 2 1 1 4 68 0000000000 SIBH TDTP CU 100767 O0 000 O0 0 2 1 1 4 68 0000000000 TRAT TDTP 100767 O0 000 O0 0 2 1 1 4 68 0000000000 SDSI TDTP CU 100767 O0 000 O0 0 2 1 1 4 68 0000000000 BACK TDTP CPS 100767 O0 000 O0 0 2 1 1 4 68 0000000000 FBAC TDTP CPS 100767 O0 000 O0 0 2 1 1 4 68 0000000000 TCAN TDTP CPS 100767 O0 000 O0 0 2 1 1 4 68 0000000000 TCAF TDTP CPS 100767 O0 000 O0 0 2 1 1 4 68 0000000000 TCND TDTP CPS 100767 O0 000 O0 0 2 1 1 4 68 0000000000 TCFD TDTP CPS 100767 O0 000 O0 0 2 1 1 4 68 0000000000 LIS Tape Verification Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:33 PAGE: 10 NAME SERV UNIT SERVICE API API API API FILE NUMB NUMB SIZE REPR PROCESS ID ORDER # LOG TYPE CLASS MOD NUMB SAMP ELEM CODE (HEX) TSCN TDTP CPS 100767 TSCF TDTP CPS 100767 INND TDTP CPS 100767 INFD TDTP CPS 100767 GRCH TDTP GAPI 100767 TENS TDTP LB 100767 CCL TDTP V 100767 O0 000 O0 0 2 1 1 4 68 0000000000 O0 000 O0 0 2 1 1 4 68 0000000000 O0 000 O0 0 2 1 1 4 68 0000000000 O0 000 O0 0 2 1 1 4 68 0000000000 O0 000 O0 0 2 1 1 4 68 0000000000 O0 000 O0 0 2 1 1 4 68 0000000000 O0 000 O0 0 2 1 1 4 68 0000000000 ** DATA ** DEPT. 11178. 500 SIGM. TDTP 16. 727 TPHI. TDTP 33. 544 SBHF. TDTP SBHN. TDTP 48. 422 SIGC. TDTP 1. 405 SIBH. TDTP 56. 036 TRAT. TDTP SDSI. TDTP O. 443 BACK. TDTP 146. 573 FBAC. TDTP 45. 903 TCAN. TDTP TCAF. TDTP 10706.275 TCND. TDTP 23694.414 TCFD. TDTP 7005.847 TSCN. TDTP TSCF. TDTP 2339.367 INND. TDTP 1799.955 INFD. TDTP 301.852 GRCH. TDTP TENS. TDTP 1505.000 CCL.TDTP 0.000 36.835 1.870 27412.625 5989.776 -999.250 DEPT. 10504.000 SIGM. TDTP -999.250 TPHI.TDTP -999.250 SBHF. TDTP -999.250 SBHN. TDTP -999.250 SIGC. TDTP -999.250 SIBH. TDTP -999.250 TRAT. TDTP -999.250 SDSI.TDTP -999.250 BACK. TDTP -999.250 FBAC. TDTP -999.250 TCAN. TDTP -999.250 TCAF. TDTP -999.250 TCND. TDTP -999.250 TCFD.TDTP -999.250 TSCN. TDTP -999.250 TSCF. TDTP -999.250 INND. TDTP -999.250 INFD.TDTP -999.250 GRCH. TDTP 60.125 TENS.TDTP -999.250 CCL. TDTP -999.250 ** END OF DATA ** **** FILE TRAILER **** FILE NA~E : EDIT .002 SERVICE : FLIC VERSION : O01CO1 DATE : 97/07/21 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : **** FILE HEADER **** FILE NAME : EDIT .003 SERVICE : FLIC VERSION · O01CO1 DATE : 97/07/21 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : LIS Tape Verification Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:33 PAGE: 11 FILE HEADER FILE NO?4~ER: 3 EDITED CURVES Depth shifted and clipped curves for each pass in separate files. PASS NUMBER: 3 DEPTH INCREMENT: 0.5000 FILE SU~D~aJ~Y LDWG TOOL CODE START DEPTH STOP DEPTH GRCH 11164.0 10500.0 TDTP 11177.0 10500.0 $ CURVE SHIFT DATA - PASS TO PASS (MEASURED DEPTH) BASELINE CURVE FOR SHIFTS LDWG CURVE CODE: GRCH PASS NUFIBER : 1 BASELINE DEPTH 88888.0 11146.5 11137.5 11126.0 11112.5 11086.0 11065.0 11053.0 11044.5 11006.5 10997.5 10983.0 10981.0 10980.5 10968.0 10962.0 10961.5 10951.5 10929.5 10929.0 10909.5 10908.5 10900.0 10899.0 10890.5 10888.O 10885.5 10884.5 10881.0 10878.5 10875.5 10871.5 10861.5 .......... EQUIVALENT UNSHIFTED DEPTH .......... GRCH TDTP 88890.0 88890.0 11148.5 11139.5 11127.0 11113.0 11086.5 11066.5 11053.5 11045.0 11009.0 11007.0 10997.0 10983.0 10980.0 10981.0 10968.5 10963.5 10963.0 10952.5 10930.5 10930.5 10910.0 10910.0 10900.5 10900.5 10891.5 10888.5 10885.5 10885.0 10882.0 10880.0 10876.5 10872.0 10862.5 LIS Tape Verification Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:~3 PAGE: 12 10855.0 10855.0 10842.5 10842.5 10833 . 0 10832.5 10815.5 10815.5 10808.5 10809.0 10802.5 10802.5 10789.5 10790.0 10789.0 10790.0 10781.5 10782.0 10775.0 10775.5 10772.5 10773.5 10771.5 10772.0 10769.5 10770.0 10762.0 10762.0 10756.5 10755.5 10755.5 10754.5 10742.5 10742.0 10733.5 10733.0 10726.0 10726.0 10721.0 10721.0 10715.0 10714.5 10714.0 10714.0 10713.0 10713.0 10705. $ 10705.5 10703.0 10703.0 10690.5 10691.0 10686.0 10685.5 10685.0 10684.5 10682.0 10681.5 10673.5 10673.0 10669.5 10669.5 10667.0 10666.5 10666.5 10665.5 10664.5 10664.0 10664.0 10663.5 10657.5 10657.0 10655.5 10654.0 10650.0 10648.0 10648.5 10648.0 10644.5 10643 . 5 10639.5 10638.5 10636.0 10634.5 10631.0 10629.5 10629.5 10627.5 10625.5 10623.0 10617.0 10614.0 10616.0 10613.0 10597.5 10592.5 10592.0 10587.0 10591 . 5 10586.5 10579.0 10574.0 10578.0 10573.0 10574.5 10569.5 10572.0 10567.0 10566.5 10561 . 0 LIS Tape Verification Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:J3 PAGE: 13 10562.0 10552 5 10551 0 10548 5 10542 5 10537 5 10534 0 10532 0 10529 0 10523 0 10519 0 10516.5 10514.0 10509.5 10509.0 100.0 $ 10545.0 10542.5 10528.5 10526.5 10524.0 10510.5 10507.5 10503.0 94.0 10556.0 10546.0 10537.5 10532.5 10526.5 10517.5 10513.0 10503.5 94.0 REMARKS: THIS FILE CONTAINS TDTP PASS #3. THE DEPTH SHIFTS SHOWN ABOVE REFLECT PASS #3 GRCH TO PASS #1 GRCH; AND PASS#3 SIGM TO PASS #1 SIGM. ALL OTHER TDTP CURVES WERE CARRIED WITH THE SIGM SHIFT. $ LIS FORMAT DATA ** DATA FORMAT SPECIFICATION RECORD ** ** SET TYPE- 64EB ** TYPE REPR CODE VALUE 1 66 0 2 66 0 3 73 88 4 66 1 5 66 6 73 7 65 8 68 O. 5 9 65 FT 11 66 11 12 68 13 66 0 14 65 FT 15 66 68 16 66 1 0 66 1 LIS Tape Verification Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:~3 PA GE: 14 ** SET TYPE - CHAN ** NAM~ SERVUNIT SERVICE API API API API FILE NUMB NUMB SIZE REPR PROCESS ID ORDER # LOG TYPE CLASS MOD NUMB SAMP ELEM CODE (HEX) DEPT FT 100767 O0 000 O0 0 3 1 1 4 68 0000000000 SIGMTDTP CU 100767 O0 000 O0 0 3 1 1 4 68 0000000000 TPHI TDTP PU-S 100767 O0 000 O0 0 3 1 1 4 68 0000000000 SBHF TDTP CU 100767 O0 000 O0 0 3 1 1 4 68 0000000000 SBHN TDTP CU 100767 O0 000 O0 0 3 1 1 4 68 0000000000 SIGC TDTP CU 100767 O0 000 O0 0 3 1 1 4 68 0000000000 SIBH TDTP CU 100767 O0 000 O0 0 3 1 1 4 68 0000000000 TRAT TDTP 100767 O0 000 O0 0 3 1 1 4 68 0000000000 SDSI TDTP CU 100767 O0 000 O0 0 3 1 1 4 68 0000000000 BACK TDTP CPS 100767 O0 000 O0 0 3 1 1 4 68 0000000000 FBAC TDTP CPS 100767 O0 000 O0 0 3 1 1 4 68 0000000000 TCAN TDTP CPS 100767 O0 000 O0 0 3 1 1 4 68 0000000000 TCAF TDTP CPS 100767 O0 000 O0 0 3 1 1 4 68 0000000000 TCND TDTP CPS 100767 O0 000 O0 0 3 1 1 4 68 0000000000 TCFD TDTP CPS 100767 O0 000 O0 0 3 1 1 4 68 0000000000 TSCN TDTP CPS 100767 O0 000 O0 0 3 1 1 4 68 0000000000 TSCF TDTP CPS 100767 O0 000 O0 0 3 1 1 4 68 0000000000 INND TDTP CPS 100767 O0 000 O0 0 3 1 1 4 68 0000000000 INFD TDTP CPS 100767 O0 000 O0 0 3 1 1 4 68 0000000000 GRCH TDTP GAPI 100767 O0 000 O0 0 3 1 1 4 68 0000000000 TENS TDTP LB 100767 O0 000 O0 0 3 1 1 4 68 0000000000 CCL TDTP V 100767 O0 000 O0 0 3 1 1 4 68 0000000000 ** DATA ** DEPT. 11179.000 SIGM. TDTP SBHN. TDTP 47.955 SIGC. TDTP SDSI.TDTP 0.409 BACK. TDTP TCAF. TDTP 12420.803 TCND. TDTP TSCF. TDTP 2335.912 INND. TDTP TENS.TDTP 1515.000 CCL.TDTP DEPT. 10494.000 SIGM. TDTP SBHN. TDTP 51.218 SIGC. TDTP SDSI.TDTP 0.820 BACK. TDTP TCAF. TDTP 6404.755 TCND. TDTP TSCF. TDTP 897.733 INND. TDTP TENS.TDTP 1465.000 CCL.TDTP 15 677 1 261 163 981 23635 273 1892 677 0 000 26. 020 2.531 167. 981 18352. 453 1631. 924 O. 000 TPHI. TDTP 31. 134 SBHF. TDTP 38. 754 SIBH. TDTP 54. 823 TRAT. TDTP 1. 847 FBAC. TDTP 33. 081 TCAN. TDTP 31142. 625 TCFD. TDTP 6904. 054 TSCN. TDTP 5856. 821 INFD. TDTP 312. 971 GRCH. TDTP -999. 250 TPHI. TDTP 54. 110 SBHF. TDTP SIBH. TDTP 62.378 TRAT. TDTP FBAC. TDTP 41. 047 TCAN. TDTP TCFD. TDTP 4559. 033 TSCN. TDTP INFD. TDTP 253. 429 GRCH. TDTP 45.610 1.999 22075.117 2879.660 116.063 ** END OF DATA ** LIS Tape Verification Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:33 PAGE: 15 **** FILE TRAILER **** FILE NAME : EDIT .003 SERVICE : FLIC VERSION : O01CO1 DATE : 97/07/21 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : **** FILE HEADER **** FILE NAI~E : EDIT .004 SERVICE : FLIC VERSION : O01CO1 DATE : 97/07/21 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : FILE HEADER FILE NUMBER: 4 AVERAGED CURVES Pulsed Neutron: Unaveraged edited Pass 1 Gamma Ray and backround counts; arithmetic average of edited static baseline passes for all other curves. DEPTH INCREMENT 0.5000 PASSES INCLUDED IN AVERAGE LDWG TOOL CODE PASS NUMBERS 1, 2, 3, TDTP THE ARITHMETIC AVERAGE WAS CALCULATED AFTER CLIPPING AND DEPTH CORRECTIONS WERE APPLIED. $ LIS FORMAT DATA ** DATA FORMAT SPECIFICATION RECORD ** ** SET TYPE - 64EB ** TYPE REPR CODE VALUE 1 66 0 2 66 0 3 73 80 4 66 i 5 66 6 73 LIS Tape Verification Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:33 PAGE: 16 TYPE REPR CODE VALUE 7 65 8 68 0.5 9 65 FT 11 66 12 12 68 13 66 0 14 65 FT 15 66 68 16 66 1 0 66 i ** SET TYPE - CHAN ** NAME SERV UNIT SERVICE API API API API FILE NUMB NUMB SIZE REPR PROCESS ID ORDER # LOG TYPE CLASS MOD NUMB SAMP ELEM CODE (HEX) DEPT FT 100767 O0 000 O0 0 4 1 1 4 68 0000000000 SIGM PNAV CU 100767 O0 000 O0 0 4 1 1 4 68 0000000000 TPHI PNAV PU-S 100767 O0 000 O0 0 4 1 1 4 68 0000000000 SBHF PNAV CU 100767 O0 000 O0 0 4 1 1 4 68 0000000000 SBHNPNAV CU 100767 O0 000 O0 0 4 1 1 4 68 0000000000 SIGC PNAV CU 100767 O0 000 O0 0 4 1 1 4 68 0000000000 SIBH PNAV CU 100767 O0 000 O0 0 4 1 1 4 68 0000000000 TRAT PNAV 100767 O0 000 O0 0 4 1 1 4 68 0000000000 SDSI PNAV CU 100767 O0 000 O0 0 4 1 1 4 68 0000000000 BACK TDTP CPS 100767 O0 000 O0 0 4 1 1 4 68 0000000000 FBAC TDTP CPS 100767 O0 000 O0 0 4 1 1 4 68 0000000000 TCANPNAV CPS 100767 O0 000 O0 0 4 1 1 4 68 0000000000 TCAF PNAV CPS 100767 O0 000 O0 0 4 1 1 4 68 0000000000 TCND PNAV CPS 100767 O0 000 O0 0 4 1 1 4 68 0000000000 TCFD PNAV CPS 100767 O0 000 O0 0 4 1 1 4 68 0000000000 TSCN PNAV CPS 100767 O0 000 O0 0 4 1 1 4 68 0000000000 TSCF PNAV CPS 100767 O0 000 O0 0 4 1 1 4 68 0000000000 INND PNAV CPS 100767 O0 000 O0 0 4 1 1 4 68 0000000000 INFD PNAV CPS 100767 O0 000 O0 0 4 1 1 4 68 0000000000 GRCH TDTP GAPI 100767 O0 000 O0 0 4 1 1 4 68 0000000000 ** DATA ** DEPT. 11179.000 SIGM. PNAV -999.250 TPHI.PNAV -999.250 SBHF. PNAV -999.250 SBt~N. PNAV -999.250 SIGC. PNAV -999.250 SIBH. PNAV -999.250 TRAT. PNAV -999.250 SDSI.PNAV -999.250 BACK. TDTP 53.820 FBAC. TDTP 14.285 TCAN. PNAV -999.250 TCAF. PNAV -999.250 TCND.PNAV -999.250 TCFD. PNAV -999.250 TSCN. PNAV -999.250 TSCF. PNAV -999.250 INND.PNAV -999.250 INFD.PNAV -999.250 GRCH. TDTP -999.250 DEPT. 10296.000 SIGM. PNAV -999.250 TPHI.PNAV -999.250 SBHF. PNAV -999.250 SBHN. PNAV -999.250 SIGC. PNAV -999.250 SIBH. PNAV -999.250 TRAT. PNAV -999.250 SDSI.PNAV -999.250 BACK. TDTP 122.361 FBAC. TDTP 23.779 TCAN. PNAV -999.250 TCAF. PNAV -999.250 TCND.PNAV -999.250 TCFD.PNAV -999.250 TSCN. PNAV -999.250 LIS Tape Verlkication Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:33 PAGE: 17 TSCF. PNAV -999.250 INND. PNAV -999.250 INFD.PNAV -999.250 GRCH. TDTP 54.156 ** END OF DATA ** **** FILE TRAILER **** FILE NAME : EDIT .004 SERVICE : FLIC VERSION : O01CO1 DATE : 97/07/21 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : **** FILE HEADER **** FILE NAME : EDIT .005 SERVICE : FLIC VERSION : O01CO1 DATE : 97/07/21 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : FILE HEADER FILE NUM~ER 5 RAW CURVES Curves and log header data for each pass in separate files; raw background pass in last file PASS1VUM~ER: 1 DEPTH INC~: 0.5000 FILE SUM~iARY VENDOR TOOL CODE START DEPTH STOP DEPTH 11212.0 10295.5 TDTP LOG HEADER DATA DATE LOGGED: il-MAY-97 SOFTWARE VERSION: CP 44.2 TItlE LOGGER ON BOTTOM: 1854 il-MAY-97 TD DRILLER (FT) : 11193.0 TD LOGGER (FT) : 11184.0 TOP LOG INTERVAL (FT) : 10300.0 BOTTOM LOG INTERVAL (FT): 11177.0 LOGGING SPEED (FPHR) : 1800.0 DEPTH CONTROL USED (YES/NO): NO TOOL STRING (TOP TO BOTTOM) VENDOR TOOL CODE TOOL TYPE TOOL NUMBER LIS Tape Verification Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:33 PAGE: 18 TDTP THERMAL DECAY GR GA~gr~A RAY TDTP THERMAL DECAY $ TDT-P 396 SGC-R- 4 TDIC- 71 BOREHOLE ~ CASING DATA OPEN HOLE BIT SIZE (IN): DRILLERS CASING DEPTH (FT) : LOGGERS CASING DEPTH (FT) : 11316.0 BOREHOLE CONDITIONS FLUID TYPE: FLUID DENSITY (LB/G): SURFACE TEMPERATURE (DEGF) : BOTTOM HOLE TEMPERATURE (DEGF) : FLUID SALINITY (PPM) : FLUID LEVEL (FT) : FLUID RATE AT WELLHEAD (BPM): WATER CUTS (PCT) : GAS~OIL RATIO: CHOKE (DEG) : CRUDE NEUTRON TOOL TOOL TYPE (EPITHERMAL OR THERMAL): MATRIX: MATRIX DENSITY: HOLE CORRECTION (IN): THERMAL SANDSTONE 2.65 BLUELINE COUNT RATE NORMALIZATION IN OIL ZONE TOP NORMALIZING WINDOW (FT) : BASE NORMALIZING WINDOW (FT) : BLUELINE COUNT RATE SCALES SET BY FIELD ENGINEER FAR COUNT RATE LOW SCALE (CPS): 0 FAR COUNT RATE HIGH SCALE (CPS): 13000 NEAR COUNT RATE LOW SCALE (CPS): 0 NEAR COUNT RATE HIGH SCALE (CPS): 30000 TOOL STANDOFF (IN): REMARKS: TIED INTO WA BHC DATED 31-DEC-95. INITIALLY ATTEMPTED CNTG BUT COULDN'T GET DOWN W~ 3 3/8" TOOL. TDT-P RUN AS SECOND CHOICE. LOG WAS RUN TO DETERMINE GOC AN ANY GAS UNDERRUNS OR RESATURATION .... FOUND GOC AT 10900' BUT NO GAS UNDERRUNS/RESATURATION. WELL WAS LOGGED AFTER EXTENDED SHUT IN PERIOD AND GAS RE-ENTRY WAS NOT OBSERVED IN LOGGING INTERVAL. THIS FILE CONTAINS THE RAW TDTP DATA FOR PASS #1. $ LIS FORMAT DATA LIS Tape Veritication Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:33 PAGE: 19 ** DATA FORMAT SPECIFICATION RECORD ** ** SET TYPE - 64EB ** TYPE REPR CODE VALUE 1 2 3 4 5 66 6 73 7 65 8 68 9 65 11 66 12 68 13 66 14 65 15 66 16 66 0 66 66 0 66 0 73 88 66 1 0.5 FT 11 0 FT 68 1 1 ** SET TYPE - CHAN ** NAME SERV UNIT SERVICE API API API API FILE NUMB NUMB SIZE REPR PROCESS ID ORDER # LOG TYPE CLASS MOD NUMB SAMP ELEM CODE (HEX) DEPT FT 100767 O0 000 O0 0 5 1 1 4 68 0000000000 SIGM PS1 CU 100767 O0 000 O0 0 5 1 1 4 68 0000000000 TPHI PS1 PU 100767 O0 000 O0 0 5 1 1 4 68 0000000000 SBHF PS1 CU 100767 O0 000 O0 0 5 1 1 4 68 0000000000 SBHNPS1 CU 100767 O0 000 O0 0 5 1 1 4 68 0000000000 SIGC PS1 CU 100767 O0 000 O0 0 $ 1 1 4 68 0000000000 SIBH PS1 CU 100767 O0 000 O0 0 5 1 1 4 68 0000000000 TRAT PS1 100767 O0 000 O0 0 5 1 1 4 68 0000000000 SDSI PS1 CU 100767 O0 000 O0 0 5 1 1 4 68 0000000000 BACK PS1 CPS 100767 O0 000 O0 0 5 1 1 4 68 0000000000 FBAC PS1 CPS 100767 O0 000 O0 0 5 1 1 4 68 0000000000 TCANPS1 CPS 100767 O0 000 O0 0 5 1 1 4 68 0000000000 TCAFPS1 CPS 100767 O0 000 O0 0 5 1 1 4 68 0000000000 TCND PS1 CPS 100767 O0 000 O0 0 5 1 1 4 68 0000000000 TCFD PS1 CPS 100767 O0 000 O0 0 5 1 1 4 68 0000000000 TSCN PS1 CPS 100767 O0 000 O0 0 5 1 1 4 68 0000000000 TSCF PS1 CPS 100767 O0 000 O0 0 5 1 1 4 68 0000000000 IN-ND PS1 CPS 100767 O0 000 O0 0 5 1 1 4 68 0000000000 INFD PS1 CPS 100767 O0 000 O0 0 5 1 1 4 68 0000000000 TENS PS1 LB 100767 O0 000 O0 0 5 1 1 4 68 0000000000 GRSG PS1 GAPI 100767 O0 000 O0 0 5 1 1 4 68 0000000000 CCL PS1 V 100767 O0 000 O0 0 5 1 1 4 68 0000000000 LIS Tape Verification Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:3~ PAGE: 20 ** DATA ** DEPT. 11212.000 SIGM. PS1 SBHN. PS1 60.600 SIGC. PS1 SDSI.PS1 11.235 BACK. PSI TCAF. PS1 0.000 TCND. PS1 TSCF. PS1 0.000 INND.PS1 GRSG.PS1 14.461 CCL.PS1 33.160 TPHI.PS1 0.085 SIBH. PS1 15.602 FBAC. PS1 -192.411 TCFD.PS1 -0.530 INFD. PS1 -O.O48 DEPT. 10295.500 SIGM. PS1 48.924 TPHI.PS1 SBI{N. PS1 64.726 SIGC. PS1 0.578 SIBH. PS1 SDSI.PS1 2.085 BACK. PSi 126.557 FBAC. PS1 TCAF. PS1 2811.525 TCND.PS1 11093.105 TCFD.PS1 TSCF. PS1 140.087 IN1VD.PS1 1554.120 INFD.PS1 GRSG.PS1 53.031 CCL.PS1 0.000 0.000 SBHF. PS1 67.599 TRAT. PS1 7.565 TCAN. PS1 -87.992 TSCN. PS1 -0.257 TENS.PSi 79.359 SBHF. PS1 93.023 TRAT. PS1 24.425 TCAN. PS1 2128.923 TSCN. PS1 204.039 TENS.PSi 49.853 0.000 0.000 0.000 1040.000 59.352 1.872 13156.121 653.104 1390.000 ** END OF DATA ** **** FILE TRAILER **** FILE NAME : EDIT .005 SERVICE : FLIC VERSION : O01CO1 DATE : 97/07/21 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : **** FILE HEADER **** FILE NAME : EDIT .006 SERVICE : FLIC VERSION : O01CO1 DATE : 97/07/21 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : FILE HEADER FILE ArUMBER 6 RAW CURVES Curves and log header data for each pass in separate files; raw background pass in last file PASS NUFiBER: 2 DEPTH INCRE~iF2VT: 0.5000 FILE SUMMARY VENDOR TOOL CODE START DEPTH STOP DEPTH TDTP 11205.5 10508.5 $ LIS Tape Verification Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:3J PAGE: 21 LOG H~ER DATA DATE LOGGED: SOFTWARE VERSION: TI~E LOGGER ON BOTTOM: TD DRILLER (FT) : TD LOGGER (FT) : TOP LOG INTERVAL (FT): BOTTOM LOG INTERVAL (FT) : LOGGING SPEED (FPHR) : DEPTH CONTROL USED (YES/NO): il-MAY-97 CP 44.2 1854 Il-MAY-97 11193.0 11184.0 10300.0 11177.0 1800.0 NO TOOL STRING (TOP TO BOTTOM) VENDOR TOOL CODE TOOL TYPE TDTP THERMAL DECAY GR GAMMA RAY TDTP THERMAL DECAY $ TOOL NUMBER ........... TDT-P 396 SGC-R- 4 TDIC- 71 BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN) DRILLERS CASING DEPTH (FT) LOGGERS CASING DEPTH (FT) 11316.0 BOREHOLE CONDITIONS FLUID TYPE: FLUID DENSITY (LB/G): SURFACE TEMPERATURE (DEGF) : BOTTOM HOLE TEMPERATURE (DEGF) : FLUID SALINITY (PPM) : FLUID LEVEL (FT) : FLUID RATE AT WELLHEAD (BPM): WATER CUTS (PCT) : GAS~OIL RATIO: CHOKE (DEG) : CRUDE NEUTRON TOOL TOOL TYPE (EPITHERMAL OR THERMAL): MATRIX: MATRIX DENSITY: HOLE CORRECTION (IN): THERMAL SANDSTONE 2.65 BLUELINE COUNT RATE NORMALIZATION IN OIL ZONE TOP NORMALIZING WINDOW (FT) : BASE NORMALIZING WINDOW (FT) : BLUELINE COUNT RATE SCALES SET BY FIELD ENGINEER FAR COUNT RATE LOW SCALE (CPS): 0 FAR COUNT RATE HIGH SCALE (CPS): 13000 NEAR COUNT RATE LOW SCALE (CPS): 0 ~ COUNT RATE HIGH SCALE (CPS): 30000 TOOL STANDOFF (IN): REMARKS: TIED INTO WA BHC DATED 31-DEC-95. LIS Tape Verification Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:3J PAGE: 22 INITIALLY ATTEMPTED CNTG BUT COULDN'T GET DOWN W~ 3 3/8" TOOL. TDT-P RUN AS SECOND CHOICE. LOG WAS RUN TO DETERMINE GOC AN ANY GAS UNDERRUNS OR RESATURATION .... FOUND GOC AT 10900' BUT NO GAS UNDERRUNS/RESATURATION. WELL WAS LOGGED AFTER EXTENDED SHUT IN PERIOD AND GAS RE-ENTRY WAS NOT OBSERVED IN LOGGING INTERVAL. THIS FILE CONTAINS THE RAW TDTP DATA FOR PASS #2. $ LIS FORMAT DATA ** DATA FORMAT SPECIFICATION RECORD ** ** SET TYPE - 64EB ** TYPE REPR CODE VALUE 1 66 0 2 66 0 3 73 88 4 66 1 5 66 6 73 7 65 8 68 0.5 9 65 FT 11 66 11 12 68 13 66 0 14 65 FT 15 66 68 16 66 1 0 66 1 ** SET TYPE - CHAN ** NAME SERV UNIT SERVICE API API API API FILE NUMB NUMB SIZE REPR PROCESS ID ORDER # LOG TYPE CLASS MOD NUMB SAMP ELEM CODE (HEX) DEPT FT 100767 O0 000 O0 0 6 1 1 4 68 0000000000 SIGM PS2 CU 100767 O0 000 O0 0 6 1 1 4 68 0000000000 TPHI PS2 PU 100767 O0 000 O0 0 6 1 1 4 68 0000000000 SBHF PS2 CU 100767 O0 000 O0 0 6 1 1 4 68 0000000000 SBPZNPS2 CU 100767 O0 000 O0 0 6 1 1 4 68 0000000000 SIGC PS2 CU 100767 O0 000 O0 0 6 1 1 4 68 0000000000 SIBH PS2 CU 100767 O0 000 O0 0 6 1 1 4 68 0000000000 TRAT PS2 100767 O0 000 O0 0 6 1 1 4 68 0000000000 SDSI PS2 CU 100767 O0 000 O0 0 6 1 1 4 68 0000000000 BACK PS2 CPS 100767 O0 000 O0 0 6 1 1 4 68 0000000000 FBAC PS2 CPS 100767 O0 000 O0 0 6 1 1 4 68 0000000000 LIS Tape Verification Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:33 PAGE: 23 NAME SERV UNIT SERVICE API API API API FILE NUMB NUMB SIZE REPR PROCESS ID ORDER # LOG TYPE CLASS MOD NUMB SAMP ELE~ CODE (HEX) TCANPS2 CPS 100767 O0 000 O0 0 6 1 1 4 68 TCAFPS2 CPS 100767 O0 000 O0 0 6 1 1 4 68 TCND PS2 CPS 100767 O0 000 O0 0 6 1 1 4 68 TCFD PS2 CPS 100767 O0 000 O0 0 6 1 1 4 68 TSCN PS2 CPS 100767 O0 000 O0 0 6 1 1 4 68 TSCF PS2 CPS 100767 O0 000 O0 0 6 1 1 4 68 INND PS2 CPS 100767 O0 000 O0 0 6 1 1 4 68 INFD PS2 CPS 100767 O0 000 O0 0 6 1 1 4 68 TENS PS2 LB 100767 O0 000 O0 0 6 1 1 4 68 GRSG PS2 GAPI 100767 O0 000 O0 0 6 1 1 4 68 CCL PS2 V 100767 O0 000 O0 0 6 1 1 4 68 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 ** DATA ** DEPT. 11205.500 SIGM. PS2 48.924 TPHI.PS2 79.359 SBHF. PS2 SBP~N. PS2 64.726 SIGC. PS2 0.578 SIBH. PS2 93.023 TRAT. PS2 SDSI.PS2 2.085 BACK. PS2 126.557 FBAC. PS2 24.425 TCAN. PS2 TCAF. PS2 2811.525 TCND. PS2 11093.105 TCFD.PS2 2128.923 TSCN. PS2 TSCF. PS2 140.087 INND.PS2 1554.120 INFD.PS2 204.039 TENS.PS2 GRSG.PS2 19.266 CCL.PS2 -0.048 DEPT. 10508.500 SIGM. PS2 12.685 TPHI.PS2 16.434 SBHF. PS2 SBP~N. PS2 51.803 SIGC. PS2 1.195 SIBH. PS2 59.135 TRAT. PS2 SDSI.PS2 0.350 BACK. PS2 146.299 FBAC. PS2 30.912 TCAN. PS2 TCAF. PS2 15013.180 TCND.PS2 24230.941 TCFD.PS2 9039.912 TSCN. PS2 TSCF. PS2 3344.870 INND.PS2 1748.279 INFD.PS2 309.684 TENS.PS2 GRSG.PS2 72.688 CCL.PS2 0.000 59.352 1.872 13156.121 653.104 1010.000 45.521 1.460 28469.047 6342.776 1465.000 ** END OF DATA ** **** FILE TRAILER **** FILE NAME : EDIT .006 SERVICE · FLIC VERSION : O01CO1 DATE : 97/07/21 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : LIS Tape Verification Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:33 PAGE: 24 **** FILE HEADER **** FILE NAME : EDIT .007 SERVICE : FLIC VERSION : O01CO1 DATE : 97/07/21 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : FILE HEADER FILE NUMBER 7 RAW CURVES Curves and log header data for each pass in separate files; raw background pass in last file PASS NUM~ER: 3 DEPTH INCREMENT: 0.5000 FILE S~Y VENDOR TOOL CODE START DEPTH STOP DEPTH 11206.0 10494.5 TDTP LOG HEADER DATA DATE LOGGED: SOFTWARE VERSION.. TIME LOGGER ON BOTTOM: TD DRILLER (FT) : TD LOGGER (FT) : TOP LOG INTERVAL (FT) : BOTTOM LOG INTERVAL (FT) : LOGGING SPEED (FPHR) : DEPTH CONTROL USED (YES/NO): TOOL STRING (TOP TO BOTTOM) VENDOR TOOL CODE TOOL TYPE TDTP THERMAL DECAY GR GAMMA RAY TDTP THERMAL DECAY $ BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): DRILLERS CASING DEPTH (FT) : LOGGERS CASING DEPTH (FT): BOREHOLE CONDITIONS FLUID TYPE: FLUID DENSITY (LB/G): SURFACE TEMPERATURE (DEGF) : BOTTOM HOLE TEMPERATURE (DEGF): FLUID SALINITY (PPM) : il-MAY-97 CP 44.2 1854 il-MAY-97 11193.0 11184.0 10300.0 11177.0 1800.0 NO TOOL NUMBER ........... TDT-P 396 SGC-R-4 TDIC-71 11316.0 CRUDE LIS Tape Verification Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:33 PAGE: 25 FLUID LEVEL (FT) : FLUID RATE AT WELLHEAD (BPM): WATER CUTS (PCT) : GAS~OIL RATIO: CHOKE (DEG) : NEUTRON TOOL TOOL TYPE (EPITHERMAL OR THERMAL): MATRIX: MATRIx DENSITY: HOLE CORRECTION (IN): THERMAL SANDSTONE 2.65 BLUELINE COUNT RATE NORMALIZATION IN OIL ZONE TOP NORMALIZING WINDOW (FT) : BASE NORMALIZING WINDOW (FT) : BLUELINE COUNT RATE SCALES SET BY FIELD ENGINEER FAR COUNT RATE LOW SCALE (CPS): 0 FAR COUNT RATE HIGH SCALE (CPS): 13000 NEAR COUNT RATE LOW SCALE (CPS): 0 NEAR COUNT RATE HIGH SCALE (CPS): 30000 TOOL STANDOFF (IN): REMARKS: TIED INTO WA BHC DATED 31-DEC-95. INITIALLY ATTEMPTED CNTG BUT COULDN'T GET DOWN W~ 3 3/8" TOOL. TDT-P RUN AS SECOND CHOICE. LOG WAS RUN TO DETERMINE GOC AN ANY GAS UNDERRUNS OR RESA TURA TI ON .... FOUND GOC AT 10900' BUT NO GAS UNDERRUNS/RESATURATION. WELL WAS LOGGED AFTER EXTEI%]DED SHUT IN PERIOD AND GAS RE-ENTRY WAS NOT OBSERVED IN LOGGING INTERVAL. THIS FILE CONTAINS THE RAW TDTP DATA FOR PASS #3. $ LIS FORMAT DATA ** DATA FORMAT SPECIFICATION RECORD ** ** SET TYPE - 64EB ** TYPE REPR CODE VALUE 1 66 0 2 66 0 3 73 88 4 66 1 5 66 6 73 7 65 8 68 0.5 9 65 FT 11 66 11 LIS Tape Ver,£ication Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:33 PAGE: 26 TYPE REPR CODE VALUE 12 68 13 66 0 14 65 FT 15 66 68 16 66 1 0 66 1 ** SET TYPE - CHAN ** NA~IE SERV UNIT SERVICE API API API API FILE NUMB NUMB SIZE REPR PROCESS ID ORDER # LOG TYPE CLASS MOD NUMB SAMP ELEM CODE (HEX) DEPT FT 100767 O0 000 O0 0 7 1 1 4 68 0000000000 SIGM PS3 CU 100767 O0 000 O0 0 7 1 1 4 68 0000000000 TPHI PS3 PU 100767 O0 000 O0 0 7 1 1 4 68 0000000000 SBHF PS3 CU 100767 O0 000 O0 0 7 1 1 4 68 0000000000 SBHNPS3 CU 100767 O0 000 O0 0 7 1 1 4 68 0000000000 SIGC PS3 CU 100767 O0 000 O0 0 7 1 1 4 68 0000000000 SIBH PS3 CU 100767 O0 000 O0 0 7 1 1 4 68 0000000000 TRAT PS3 100767 O0 000 O0 0 7 1 1 4 68 0000000000 SDSI PS3 CU 100767 O0 000 O0 0 7 1 1 4 68 0000000000 BACK PS3 CPS 100767 O0 000 O0 0 7 1 1 4 68 0000000000 FBAC PS3 CPS 100767 O0 000 O0 0 7 1 1 4 68 0000000000 TCANPS3 CPS 100767 O0 000 O0 0 7 1 1 4 68 0000000000 TCAFPS3 CPS 100767 O0 000 O0 0 7 1 1 4 68 0000000000 TCND PS3 CPS 100767 O0 000 O0 0 7 1 1 4 68 0000000000 TCFD PS3 CPS 100767 O0 000 O0 0 7 1 1 4 68 0000000000 TSCN PS3 CPS 100767 O0 000 O0 0 7 1 1 4 68 0000000000 TSCF PS3 CPS 100767 O0 000 O0 0 7 1 1 4 68 0000000000 INND PS3 CPS 100767 O0 000 O0 0 7 1 1 4 68 0000000000 INFD PS3 CPS 100767 O0 000 O0 0 7 1 1 4 68 0000000000 TENS PS3 LB 100767 O0 000 O0 0 7 1 1 4 68 0000000000 GRSG PS3 GAPI 100767 O0 000 O0 0 7 1 1 4 68 0000000000 CCL PS3 V 100767 O0 000 O0 0 7 1 1 4 68 0000000000 ** DATA ** DEPT. 11206,000 SIGM. PS3 12.685 TPHI.PS3 16,434 SBHF. PS3 SBHN. PS3 51,803 SIGC.PS3 1.195 SIBH. PS3 59,135 TRAT. PS3 SDSI.PS3 0,350 BACK. PS3 146.299 FBAC. PS3 30,912 TCAN. PS3 TCAF. PS3 15013,180 TCND.PS3 24230.941 TCFD. PS3 9039.912 TSCN. PS3 TSCF. PS3 3344,870 INND.PS3 1748.279 INFD. PS3 309,684 TENS.PS3 GRSG.PS3 24,109 CCL.PS3 -0.057 DEPT. 10494,500 SIGM. PS3 21.514 TPHI.PS3 34.593 SBHF. PS3 SBPZN. PS3 49,823 SIGC. PS3 2.553 SIBH. PS3 59,215 TRAT. PS3 SDSI.PS3 0,848 BACK.PS3 166.916 FBAC. PS3 44.546 TCAN. PS3 TCAF. PS3 6142,099 TCND.PS3 20308.418 TCFD.PS3 5841.914 TSCN. PS3 TSCF. PS3 1343.719 INND.PS3 1665.445 INFD. PS3 288,094 TENS.PS3 45.521 1.460 28469.047 6342.776 1045.000 42.744 1.727 16244.854 3553.918 1470.000 LIS Tape Verification Listing Schlumberger Alaska Computing Center 21-JUL-1997 12:33 PAGE: 27 GRSG.PS3 183.250 CCL.PS3 O. 000 ** END OF DATA ** **** FILE TRAILER **** FILE NAME : EDIT .007 SERVICE : FLIC VERSION · O01CO1 DATE : 97/07/21 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : **** TAPE TRAILER **** SERVICE NAM~ : EDIT DATE : 97/07/21 ORIGIN · FLIC TAPE NAlVlE : 97293 CONTINUATION # : 1 PREVIOUS TAPE : COMFiENT : ARCO ALASKA INC, D.S. 6-8A, PRUDHOE BAY, 50-029-20300-01 **** REEL TRAILER **** SERVICE NAME : EDIT DATE · 97/07/21 ORIGIN · FLIC REEL NAM~ : 97293 CONTINUATION # : PREVIOUS REEL : COA~iF2FT : ARCO ALASKA INC, D.S. 6-8A, PRUDHOE BAY, 50-029-20300-01 ~TaP~ Subfile 2 is type: TAPE HEADER PRUDHOE BAY UNIT MWD/MAD LOGS WELL NAME: API NUMBER: OPERATOR: LOGGING COMPANY: TAPE CREATION DATE: JOB DATA JOB NUMBER: LOGGING ENGINEER: OPERATOR WITNESS: F-36 500292263100 BP EXPLORATION (ALASKA') INC. SPERRY~SUN DRILLING SERVICES 22-AUG-96 MWD RUN 5 AK MM 960103 STEVE LATZ MIKE WHITELY MWD RUN 6 STEVE LATZ MIKE WHITELY MWD RUN 7 S. NEUBAUER MIKE WHITELY JOB NUMBER: LOGGING ENGINEER: OPERATOR WITNESS: MWD RUN 8 RANDY KRELL JOHN RALL MWD RUN 9 MEL GABEL JOHN RALL MWD RUN 10 MEL GABEL JOHN RALL MWD RUN 11 JOB NUMBER: LOGGING ENGINEER: OPERATOR WITNESS: SURFACE LOCATION SECTION: TOWNSHIP: RANGE: FNL: FSL: FEL: FWL: ELEVATION(FT FROM MSL 0) KELLY BUSHING: DERRICK FLOOR: GROUND LEVEL: WELL CASING RECORD 1ST STRING 2ND STRING 3RD STRING PRODUCTION STRING REMARKS: MEL GABEL JOHN RALL MWD RUN 12 MEL GABEL JOHN RALL MWD RUN 13 P. ROBERTS JOHN RALL 2 lin 13E 2639 2877 68.05 66.55 37.70 OPEN HOLE CASING DRILLERS BIT SIZE (IN) SIZE (IN) DEPTH (FT) 13.500 10.750 3691.0 9.875 7.625 12841.0 6.750 14520.0 lVF~D - EWR4/GR. ALL DEPTHS ARE MEASURED BIT DEPTHS. THIS WELL, F-36, IS REPRESENTED BY RUNS 1.THROUGH 13. MWD RUNS 1 - 4 WERE DIRECTIONAL ONLY & NO DATA IS PRESENTED. MWD RUNS 5, 6, & 7, WERE DIRECTIONAL WITH GAMMA RAY ACQUIRED WITH NATURAL GAMMA PROBE SCINTILLATION TYPE DETECTORS (NGP/SGRD). MWD RUNS 8 - 13 WERE DIRECTIONAL WITH GAMMA RAY ACQUIRED WITH DUAL GAMMA RAY GEIGER MUELLER TYPE DETECTORS (DGR/SGRC) & ELECTROMAGNETIC WAVE 4-PHASE RESISTIVm~'Y (EWR4). A POSITIVE -SHIFT OF 1.5 AAPI WAS NOTED IN GAMMA RAY READINGS AFTER CHANGING OVER TO A FLO-PRO MUD SYSTEM AT 13000'. NO DEPTH SHIFTS WERE APPLIED AS THESE LOGS ARE DEPTH REFERENCE FOR THIS WELL (PER GREG BERNASKI, BP). FILE HEADER FILE NUMBER: 1 EDITED MERGED MWD Depth shifted and clipped curves; all bit runs merged. DEPTH INCREMENT: .5000 FILE SUMMARY PBU TOOL CODE START DEPTH STOP DEPTH GR 8741.0 14480.0 RP 12820.0 14488.0 $ BASELINE CURVE FOR SHIFTS: CURVE SHIFT DATA (MEASURED DEPTH) EQUIVALENT UNSHIFTED DEPTH BASELINE DEPTH $ MERGED DATA SOURCE PBU TOOL CODE MWD MWD $ REMARKS: BIT RUN NO MERGE TOP MERGE BASE 5 8818.0 11888.0 6 11888.0 12570.0 7 12570.0 12850.0 8 12850.0 '13000.0 9 13000.0 13088.0 10 13088.0 13588.0 11 13588'.0 13828.0 12 13828.0 14212.0 13 14212.0 14520.0 MERGED MAIN PASS. CN WN FN COUN STAT BP EXPLORATION (ALASKA) F-36 PRUDHOE BAY NORTH SLOPE ALASKA * FORMAT RECORD (TYPE# 64 ) ONE DEPTH PER FRAME Tape depth ID: F 7 Curves: Name Tool Code Samples Units GR MWD 68 1 AAPI RPX MWD 68 1 OMMM RPS MWD 68 1 OHMM RPM MWD 68 1 OHMM RPD MWD 68 1 OHMM API API API API Log Crv Crv Size Length Typ Typ Cls Mod 4 90 310 01 1 4 90 120 46 1 4 90 120 46 1 4 90 120 46 1 4 90 120 46 1 6 ROP MWD 68 1 FPHR 7 FET MWD 68 1 HR * DATA RECORD (TYPE# 0) Total Data Records: 373 998 BYTES * 4 90 810 01 4 90 180 01 28 Tape File Start Depth = 14520.000000 Tape File End Depth = 8741.000000 Tape File Level Spacing = 0.500000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 92473 datums Tape Subfile: 2 481 records... Minimum record length: 62 bytes Maximum record length: 998 bytes Tape Subfile 3 is type: LIS FILE HEADER FILE NUMBER: 2 RAW MWD Curves and log header data for each bit run in separate files. BIT RUN NO: 5 DEPTH INCREMENT: .5000 FILE SUMMARY VENDOR TOOL CODE START DEPTH GR 8741.0 $ LOG HEADER DATA DATE LOGGED: SOFTWARE SURFACE SOFTWARE VERSION: DOWN-HOLE SOFTWARE VERSION: DATA TYPE (MEMORY OR REAL-TIME): TD DRILLER (FT) : TOP LOG INTERVAL (FT) : BOTTOM LOG INTERVAL (FT): BIT ROTATING SPEED (RPM): HOLE INCLINATION (DEG) MINIMUM ANGLE: MAXIMUM ANGLE: STOP DEPTH 11812.0 TOOL STRING (TOP TO BOTTOM) VENDOR TOOL CODE TOOL TYPE NGP NATURAL GAMMA PROBE $ 08-JAN-96 ISC 2.11 SP4 5.01 MEMORY 11888.0 8818.0 11888.0 0 58.0 62.0 TOOL NUMBER NGP 184 BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): DRILLER' S CASING DEPTH (FT) : 9.875 3691.0 BOREHOLE CONDITIONS MUD TYPE: MUD DENSITY (LB/G): MUD VISCOSITY (S) : MUD PH: MUD CHLORIDES (PPM) : FLUID LOSS (C3) : RESISTIVITY (OHMM) AT TEMPERATURE (DEGF) MUD AT MEASURED TEMPERATURE (MT): MUD AT MAX CIRCULATING TEMPERATURE: MUD FILTRATE AT MT: MUD CAKE AT MT: LSND-HT 10.00 38.0 9.6 650 4.4 .000 .000 .000 .000 .0 158.6 .0 .0 NEUTRON TOOL MATRIX: MATRIX DENSITY: HOLE CORRECTION (IN): .00 .000 TOOL STANDOFF (IN): EWR FREQUENCY (HZ): .0 0 REMARKS: MWD RUN 5. CN WN FN COUN STAT : BP EXPLORATION (ALASKA) : F-36 : PRUDHOE BAY : NORTH SLOPE * FORMAT RECORD (TYPE# 64) ONE DEPTH PER FRAME Tape depth ID: F 2 Curves: Name Tool Code Samples Units 1 GR MWD 68 1 AAPI 4 2 ROP MWD 68 1 FPHR 4 * DATA RECORD (TYPE# 0) 1014 BYTES * Total Data Records: 76 API API API API Log Crv Crv Size Length Typ Typ Cls Mod 4 90 310 01 1 4 90 810 01 1 Tape File Start Depth = 11900.000000 Tape File End Depth = 8741.000000 Tape File Level Spacing.= 0.500000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 18958 datums Tape Subfile: 3 139 records... Minimum record length: Maximum record length: 62 bytes 1014 bytes Tape Subfile 4 is type: LIS FILE HEADER FILE NUMBER: 3 RAW MWD Curves and log header data for each bit run in separate files. BIT RUN NO: 6 DEPTH INCREMENT: .5000 FILE SUMMARY VENDOR TOOL CODE START DEPTH GR 11800.0 $ LOG HEADER DATA DATE LOGGED: SOFTWARE SURFACE SOFTWARE VERSION: DOWNHOLE SOFTWARE VERSION: DATA TYPE (MEMORY OR REAL-TIME): TD DRILLER (FT) : TOP LOG INTERVAL (FT) : BOTTOM LOG INTERVAL (FT): BIT ROTATING SPEED (RPM) : · HOLE INCLINATION (DEG) MINIMUM ANGLE: MAXIMUM ANGLE: TOOL STRING (TOP TO BOTTOM) VENDOR TOOL CODE TOOL TYPE NGP NATURAL GAMMA PROBE $ BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): DRILLER'S CASING DEPTH (FT) : BOREHOLE CONDITIONS MUD TYPE: MUD DENSITY (LB/G): MUD VISCOSITY (S) : MUD PH: MUD CHLORIDES (PPM) : FLUID LOSS (C3) : RESISTIVITY (OHMM) AT TEMPERATURE (DEGF) MUD AT MEASURED TEMPERATURE (MT): MUD AT MAX CIRCULATING TEMPERATURE: MUD FILTRATE AT MT: MUD CAKE AT MT: STOP DEPTH 12506.0 il-JAN-96 ISC 2.11 SP4 5.01 MEMORY 12570.0 11888.0 12570.0 0 58.1 61.6 TOOL NUMBER NGP 136 9.875 3691.0 LSND-HT 10.00 41.0 9.7 550 12.0 .000 .000 .000 .000 .0 158.6 .0 .0 NEUTRON TOOL MATRIX: MATRIX DENSITY: HOLE CORRECTION (IN): .00 .000 TOOL STANDOFF (IN): EWR FREQUENCY (HZ) : .0 0 REMARKS: MWD RUN 6. CN WN FN COUN STAT : BP EXPLORATION (ALASKA) : F-36 : PRUDHOE BAY : NORTH SLOPE : ALASKA * FORMAT RECORD (TYPE# 64) ONE DEPTH PER FRAME Tape depth ID: F 2 Curves: Name Tool Code Samples Units API API API API Log Crv Crv Size Length Typ Typ Cls Mod 1 GR MWD 68 1 AAPI 2 ROP MWD 68 1 FPHR 4 4 90 310 01 1 4 4 90 810 01 1 8 * DATA RECORD (TYPE# 0) 1014 BYTES * Total Data Records: '19 Tape File Start Depth = 12575.000000 Tape File End Depth = 11795.000000 Tape File Level Spacing = 0.500000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 97157 datums Tape Subfile: 4 82 records... Minimum record length: Maximum record length: 62 bytes 1014 bytes Tape Subfile 5 is type: LIS FILE HEADER FILE NUMBER: 4 RAW MWD Curves and log header data for each bit run in separate files. BIT RUN NO: 7 DEPTH INCREMENT: .5000 FILE SIHMMARY VENDOR TOOL CODE START DEPTH GR 12456.0 $ LOG HEADER DATA DATE LOGGED: SOFTWARE SURFACE SOFTWARE VERSION: DOWNHOLE SOFTWARE VERSION: DATA TYPE (MEMORY OR REAL-TIME): TD DRILLER (FT) : TOP LOG INTERVAL (FT) : BOTTOM LOG INTERVAL (FT) : BIT ROTATING SPEED (RPM): HOLE INCLINATION (DEG) MINIMUM ANGLE: MAXIMUM ANGLE: STOP DEPTH 12786.0 TOOL STRING (TOP TO BOTTOM) VENDOR TOOL CODE TOOL TYPE NGP NATURAL GAMMA PROBE $ 12-JAN-96 ISC 2.11 SP4 5.01 MEMORY 12850.0 12570.0 12850.0 0 67.5 79.8 TOOL NUMBER NGP 184 BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): DRILLER' S CASING DEPTH (FT): 9.875 3691.0 BOREHOLE CONDITIONS MUD TYPE: MUD DENSITY (LB/G) : MUD VISCOSITY (S) : MUD PH: MUD CHLORIDES (PPM) : FLUID LOSS (C3): RESISTIVITY (OHMM) AT TEMPERATURE (DEGF) MUD AT MEASURED TEMPERATURE (MT) : MUD AT MAX CIRCULATING TEMPERATURE: MUD FILTRATE AT MT: MUD CAKE AT MT: LSND-HT 10.20 42.0 10.0 550 12.4 .000 .000 .000 .000 .0 154.0 .0 .0 NEUTRON TOOL MATRIX: MATRIX DENSITY: HOLE CORRECTION (IN): .00 .000 TOOL STANDOFF (IN): EWR FREQUENCY (HZ) : .0 0 REMARKS: MWD RUN 7. CN WN FN COUN STAT BP EXPLORATION (~KA) F-36 PRUDHOE BAY NORTH SLOPE ALASKA * FORMAT RECORD (TYPE# 64) ONE DEPTH PER FRAME Tape depth ID: F 2 Curves: Name Tool Code Samples Units GR MWD 68 1 AAPI ROP MWD 68 1 FPHR * DATA RECORD Total Data Records: Tape File Start Depth Tape File End Depth (TYPE# 0) 1014 BYTES * 10 = 12855.000000 = 12450.000000 Tape File Level Spacing = 0.500000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 21392 datums Tape Subfile: 5 73 records... Minimum record length: 62 bytes Maximum record length: 1014 bytes API API API API Log Crv Crv Size Length Typ Typ Cls Mod 4 90 310 01 1 4 90 810 01 1 Tape Subfile 6 is type: LIS FILE HEADER FILE NUMBER: 5 RAW MWD Curves and log header data for each bit run in separate files. BIT RUN NO: 8 DEPTH INCREMENT: .5000 FILE'S~4MARY VENDOR TOOL CODE START DEPTH GR 12651.0 EWR4 12657.0 $ LOG HEADER DATA DATE LOGGED: SOFTWARE SURFACE SOFTWARE VERSION: DOWNHOLE SOFTWARE VERSION: DATA TYPE (MEMORY OR REAL-TIME): TD DRILLER (FT) : TOP LOG INTERVAL (FT) : BOTTOM LOG INTERVAL (FT): BIT ROTATING SPEED (RPM) : HOLE INCLINATION (DEG) MINIMUM ANGLE: MAXIMUM ANGLE: STOP DEPTH 12960.0 12967.0 TOOL STRING (TOP TO BOTTOM) VENDOR TOOL' CODE TOOL TYPE DGR DUAL GAMMA RAY EWR4 ELECTROMAG. RESIS. 4 $ 17-JAN-96 ISC 2.11 SP4 5.01 MEMORY 13000.0 12850.0 13000.0 0 77.3 80.4 TOOL NUMBER P0388SP4 P0388SP4 BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN):' DRILLER'S CASING DEPTH (FT) : 6.75 12841.0 BOREHOLE CONDITIONS MUD TYPE: MUD DENSITY (LB/G): MUD VISCOSITY (S) : MUD PH: MUD'CHLORIDES (PPM) : FLUID LOSS (C3) : RESISTIVITY (OHMM) AT TEMPERATURE (DEGF) MUD AT MEASURED TEMPERATURE (MT): MUD AT MAX CIRCULATING TEMPERATURE: MUD FILTRATE AT MT: MUD CAKE AT MT: FLO PRO 9.00_ 72.0 9.7 42000 5.0 .100 .038 .100 .140 68.0 184.0 68.0 68.0 NEUTRON TOOL MATRIX: MATRIX DENSITY: HOLE CORRECTION (IN): .00 .000 TOOL STANDOFF (IN) : EWR FREQUENCY (HZ): .0 0 REMARKS: CN WN FN COUN STAT MWD RUN 8. $ BP EXPLORATION (ALASKA) F-36 PRUDHOE BAY NORTH SLOPE ALASKA * FORMAT RECORD (TYPE# 64) ONE DEPTH PER FRAME Tape depth ID: F 7 Curves: Name Tool Code Samples Units API API API API Log Crv Crv Size Length Typ Typ Cls Mod 1 GR MWD 68 1 2 RPX MWD 68 1 3 RPS MWD 68 1 4 RPM MWD 68 1 5 RPD MWD 68 1 6 ROP MWD 68 1 7 FET MWD 68 1 AAPI 4 OHMM 4 OHMM 4 OHMM 4 OHMM 4 FPHR 4 HR 4 4 90 310 01 1 4 90 120 46 1 4 90 120 46 1 4 90 120 46 1 4 90 120 46 1 4 90 810 01 1 4 90 180 01 1 * DATA RECORD (TYPE# 0) 998 BYTES * 28 Total Data Records: 24 Tape File Start Depth = 13005.000000 Tape File End Depth = 12645.000000 Tape File Level Spacing = 0.500000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 102926 datums Tape Subfile: 6 89 records... Minimum record length: 62 bytes Maximum record length: 998 bytes Tape Subfile 7 is type: LIS FILE HEADER FILE NUMBER: 6 RAW MWD Curves and log header data for each bit run in separate files. BIT RUN NO: 9 DEPTH INCREMENT: .5000 FILE SUMMARY VENDOR TOOL CODE START DEPTH STOP DEPTH GR 12956 . 0 13053 . 0 EWR4 12962 . 0 13060 . 0 $ LOG HEADER DATA DATE LOGGED: 18 - JAN- 96 SOFTWARE SURFACE SOFTWARE VERSION: ISC 2.11 DOWNHOLE SOFTWARE VERSION: SP4 5.01 DATA TYPE (MEMORY OR REAL-TIME): MEMORY TD DRILLER (FT) : 13088.0 TOP LOG INTERVAL (FT) : 13000.0 BOTTOM LOG INTERVAL (FT) : 13088.0 BIT ROTATING SPEED (RPM): 0 HOLE INCLINATION (DEG) MINIMUM ANGLE: 82.3 MAXIMUM ANGLE: 91.5 TOOL STRING (TOP TO BOTTOM) VENDOR TOOL CODE TOOL TYPE TOOL NUMBER DGR DUAL GAMMA RAY P0388SP4 EWR4 ELECTROMAG. RESIS. 4 P0388SP4 $ BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): 6.75 DRILLER' S CASING DEPTH (FT) : 12841.0 BOREHOLE CONDITIONS MUD TYPE: FLO PRO MUD DENSITY (LB/G) : 9.00 MUD VISCOSITY (S) : 66.0 MUD PH: 10.9 MUD CHLORIDES (PPM) : 41000 FLUID LOSS (C3) : 5.4 RESISTIVITY (OHMM) AT TEMPERATURE (DEGF) MUD AT MEASURED TEMPERATURE (MT) : .100 65.0 MI/D AT MAX CIRCULATING TEMPERATURE: .040 164.0 MUD FILTRATE AT MT: .100 65.0 MUD CAKE AT MT: .130 65.0 NEUTRON TOOL MATRIX: MATRIX DENSITY: .00 HOLE CORRECTION (IN): .000 TOOL STANDOFF (IN) : .0 EWR FREQUENCY (HZ) : 0 REMARKS: CN WN FN COUN STAT MWD RUN 9.. $ : BP EXPLORATION (ALASKA) : F-36 : PRUDHOE BAY : NORTH SLOPE : ALASKA * FORMAT RECORD (TYPE# 64) ONE DEPTH PER FRAME Tape depth ID: F 7 Curves: Name Tool Code Samples Units API API API API Log Crv Crv Size Length Typ Typ Cls Mod 1 GR MWD 68 1 AAPI 4 2 RPX MWD 68 1 OHMM 4 3 RPS MWD 68 1 OHMM 4 4 RPM MWD 68 1 OHMM 4 5 RPD MWD 68 1 OHMM 4 6 ROP MWD 68 1 FPHR 4 7 FET MWD 68 1 HR 4 4 90 310 01 1 4 90 120 46 1 4 90 120 46 1 4 90 120 46 1 4 90 120 46 1 4 90 810 01 1 4 90 180 01 1 28 * DATA RECORD (TYPE# 0) 998 BYTES * Total Data Records: 10 Tape File Start Depth = 13100.000000 Tape File End Depth = 12950.000000 Tape File Level Spacin9 = 0.500000 Tape. File Depth Units = Feet **** FILE TRAILER **** LIS representation code decodin9 summary: Rep Code: 68 23801 datums Tape Subfile: 7 75 records... Minimum record length: Maximum record length: 62 bytes 998 bytes Tape Subfile 8 is type: LIS FILE HEADER FILE NUMBER: 7 RAW MWD Curves and log header data for each bit run in separate files. BIT RUN NO: 10 DEPTH INCREMENT: .5000 FILE SUMMARY VENDOR TOOL CODE START DEPTH GR 13015.0 EWR4 13021.0 $ LOG HEADER DATA DATE LOGGED: SOFTWARE SURFACE SOFTWARE VERSION: DOWNHOLE SOFTWARE VERSION: DATA TYPE (MEMORY OR REAL-TIME): TD DRILLER (FT) : TOP LOG INTERVAL (FT) : BOTTOM LOG INTERVAL (FT) : BIT ROTATING SPEED (RPM) : HOLE INCLINATION (DEG) MINIMUM ANGLE: MAX IMUM ANGLE: TOOL STRING (TOP TO BOTTOM) VENDOR TOOL CODE TOOL TYPE STOP DEPTH 13546.0 13533.0 DGR DUAL GAMMA RAY EWR4 ELECTROMAG. RESIS. 4 $ BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): DRILLER' S CASING DEPTH (FT) : BOREHOLE CONDITIONS MUD TYPE: MUD DENSITY (LB/G): MUD VISCOSITY (S) : MUD PH: MUD CHLORIDES (PPM) : FLUID LOSS (C3) : RESISTIVITY (OHMM) AT TEMPERATURE (DEGF) MUD AT MEASURED TEMPERATURE (MT) : MUD AT MAX CIRCULATING TEMPERATURE: MUD FILTRATE AT MT: MUD CAKE AT MT: NEUTRON TOOL MATRIX: MATR I X DENS I TY: MOLE CORRECTION (IN) : TOOL STANDOFF (IN) : EWR FREQUENCY (HZ) : 19-JAN-96 ISC 2.11 SP4 5.01 MEMORY 13588.0 13088.0 13588.0 0 85.3 94.9 TOOL NUMBER P0388SP4 P0388SP4 6.75 12841.0 FLO PRO 9.00- 68.0 10.9 41000 5.6 .100 · 044 .100 .140 68.0 163.0 68.0 68.0 .00 .000 .0 0 REMARKS: CN WN FN COUN STAT MWD RUN 10~ $ : BP EXPLORATION (ALASKA) : F-36 : PRUDHOE BAY : NORTH SLOPE * FORMAT RECORD (TYPE# 64) ONE DEPTH PER FRAME Tape depth ID: F 7 Curves: Name Tool Code Samples Units API API API API Log Crv Crv Size Length Typ Typ C1s Mod 1 GR MWD 68 1 AAPI 2 RPX MWD 68 1 OHMM 3 RPS MWD 68 1 OHMM 4 RPM MWD 68 1 OHMM 5 RPD MWD 68 1 OHMM 6 ROP MWD 68 1 FPHR 7 FET MWD 68 1 HR 4 90 310 01 1 4 90 120 46 1 4 90 120 46 1 4 90 120 46 1 4 90 120 46 1 4 90 810 01 1 4 90 180 01 1 28 * DATA RECORD (TYPE# 0) Total Data Records: 39 998 BYTES * Tape File Start Depth = 13600.000000 Tape File End Depth = 13010.000000 Tape File Level Spacing = 0.500000 Tape. File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 112375 datums Tape Subfile: 8 104 records.-. Minimum record length: Maximum record length: 62 bytes 998 bytes Tape Subfile 9 is type: LIS FILE HEADER FILE NUMBER: 8 RAW MWD Curves and log header data for each bit run in separate files. BIT RUN NO: 11 DEPTH INCREMENT: .5000 FILE SUMMARY VENDOR TOOL CODE START DEPTH GR 13526.0 EWR4 13537.0 $ LOG HEADER DATA DATE LOGGED: SOFTWARE SURFACE SOFTWARE VERSION: DOWNHOLE SOFTWARE VERSION: DATA TYPE (MEMORY OR REAL-TIME): TD DRILLER (FT) : TOP LOG INTERVAL (FT) : BOTTOM LOG INTERVAL (FT): BIT ROTATING SPEED (RPM): HOLE INCLINATION (DEG) MINIMUM ANGLE: MAXIMI/MAi~GLE: STOP DEPTH 13793.0 13800.0 TOOL STRING (TOP TO BOTTOM) VENDOR TOOL CODE TOOL TYPE DGR DUAL GAMMA RAY EWR4 ELECTROMAG. RESIS. 4 $ 20 -JAN- 96 ISC 2.11 SP4 5.01 MEMORY 13828.0 13588.0 13828.0 0 72.8 83.7 TOOL NUMBER P0388SP4 P0388SP4 BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): DRILLER'S CASING DEPTH (FT) : 6.75 12841.0 BOREHOLE CONDITIONS MUD TYPE: MUD DENSITY (LB/G): MUD VISCOSITY (S): MUD PH: MUD CHLORIDES (PPM) : FLUID LOSS (C3) : RESISTIVITY (OHMM) AT TEMPERATURE (DEGF) MI/D AT MEASURED TEMPERATURE (MT): MUD AT MAX CIRCULATING TEMPERATURE: MUD FILTR3kTE AT MT: MUD CAKE AT MT: FLO PRO 9.00 70.0 9.7 42000 5.8 .100 .043 .100 .140 70.0 174.0 7O.0 70.0 NEUTRON TOOL MATRIX: MATRIX DENSITY: HOLE CORRECTION (IN): .00 .000 TOOL STANDOFF (IN) : EWR FREQUENCY (HZ) : .0 REMARKS: CN WN FN COUN STAT MWD RUN 11.- $ : BP EXPLORATION (ALASKA) : F-36 : PRUDHOE BAY : NORTH SLOPE : ALASKA * FORMAT RECORD (TYPE# 64) ONE DEPTH PER FRAME Tape depth ID: F 7 Curves: Name Tool Code Samples Units 1 GR MWD 68 1 AAPI 2 RPX MWD 68 1 OHMM 3 RPS MWD 68 1 OHMM 4 RPM MWD 68 1 0HMM 5 RPD MWD 68 1 OHMM 6 ROP MWD 68 1 FPHR 7 FET MWD 68 1 HR API API API API Log Crv Crv Size Length Typ Typ Cls Mod 4 90 310 01 1 4 90 120 46 1 4 90 120 46 1 4 90 120 46 1 4 90 120 46 1 4 90 810 01 1 4 90 180 01 1 * DATA RECORD (TYPE# 0 ) 998 BYTES * 28 Total Data Records: 21 Tape File Start Depth = 13835.000000 Tape File End Depth = 13520.000000 Tape File Level Spacing = 0.500000 Tape. File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 28850 datums Tape Subfile: 9 86 records... Minimum record length: Maximum record length: 62 bytes 998 bytes Tape Subfile 10 is type: ~LIS FILE HEADER FILE NUMBER: 9 RAW MWD Curves and lo9 header data for each bit run in separate files. BIT RUN NO: 12 DEPTH INCREMENT: .5000 FILE SUMMARY VENDOR TOOL CODE START DEPTH GR 13766.0 EWR4 13773.0 $ LOG HEADER DATA DATE LOGGED: SOFTWARE SURFACE SOFTWARE VERSION: DOWNHOLE SOFTWARE VERSION: DATA TYPE (MEMORY OR REAL-TIME): TD DRILLER (FT) : TOP LOG INTERVAL (FT) : BOTTOM LOG INTERVAL (FT) : BIT ROTATING SPEED (RPM) : HOLE INCLINATION (DEG) MINIMUM ANGLE: MAXIMUM ANGLE: STOP DEPTH 14178.0 14185.0 TOOL STRING (TOP TO BOTTOM) VENDOR TOOL CODE TOOL TYPE DGR DUAL GAMMA RAY EWR4 ELECTROMAG. RESIS. 4 $ BOREHOLE ~ CASING DATA OPEN HOLE BIT SIZE (IN): DRILLER' S CASING DEPTH (FT) : 22-JAN-96 ISC 2.11 SP4 5.01 MEMORY 14212.0 13828.0 14212.0 0 69.2 85.1 TOOL NUMBER P0388SP4 P0388SP4 6.75 12841.0 BOREHOLE CONDITIONS MUD TYPE: MUD DENSITY (LB/G): MUD VISCOSITY (S) : MUD PH: MUD CHLORIDES (PPM) : FLUID LOSS (C3): RESISTIVITY (OHMM) AT TEMPERATURE (DEGF) MUD AT MEASURED TEMPERATURE (MT) : MUD AT MAX CIRCULATING TEMPERATURE: MUD FILTRATE AT MT: MUD CAKE AT MT: FLO PRO 9.00 71.0 8.7 38000 5.2 .100 .040 .100 .140 70.0 167.0 70.0 70.0 NEUTRON TOOL MATRIX: MATRIX DENSITY: HOLE CORRECTION (IN): .00 .000 TOOL STANDOFF (IN): EWR FREQUENCY (HZ) : .0 0 REMARKS: CN WN FN COUN STAT MWD RUN 12.' $ : BP EXPLORATION (ALASKA) : F-36 : PRUDHOE BAY : NORTH SLOPE * FORMAT RECORD (TYPE# 64) ONE DEPTH PER FRAME Tape depth ID: F 7 Curves: Name Tool Code Samples Units API API API API Log Crv Crv Size Length Typ Typ Cls Mod 1 GR MWD 68 1 AAPI 2 RPX MWD 68 1 OHMM 3 RPS MWD 68 1 OHMM 4 RPM MWD 68 1 OHMM 5 RPD MWD 68 1 OHMM 6 ROP MWD 68 1 FPHR 7 FET MWD 68 1 HR 4 90 310 01 1 4 90 120 46 1 4 90 120 46 1 4 90 120 46 1 4 90 120 46 1 4 90 810 01 1 4 90 180 01 1 28 * DATA RECORD (TYPE# 0) Total Data Records: 30 998 BYTES * Tape File Start Depth = 14220.000000 Tape File End Depth = 13760.000000 Tape File Level Spacing = 0.500000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 119744 datums Tape Subfile: 10 95 records... Minimum record length: Maximum record length: 62 bytes 998 bytes Tape Subfile 11 is type: LIS FILE HEADER FILE NUMBER: 10 RAW MWD Curves and log header data for each bit run in separate files. BIT RUN NO: 13 DEPTH INCREMENT: .5000 FILE SUMMARY VENDOR TOOL CODE START DEPTH GR 14157.0 EWR4 14160.0 $ LOG HEADER DATA DATE LOGGED: SOFTWARE SURFACE SOFTWARE VERSION: DOWNHOLE SOFTWARE VERS ION: DATA TYPE (MEMORY OR REAL-TIME): TD DRILLER (FT) : TOP LOG INTERVAL (FT): - BOTTOM LOG INTERVAL (FT) : BIT ROTATING SPEED (RPM) : HOLE INCLINATION (DEG) MINIMUM ANGLE: -MAXIMUM ANGLE: TOOL STRING (TOP TO BOTTOM) ~. VENDOR TOOL CODE TOOL TYPE STOP DEPTH 14480.0 14487.0 DGR EWR4 $ DUAL GAMMA RAY ELECTROMAG. RESIS. 4 BOREHOLE AND CASING DATA OPEN HOLE BIT' SIZE (IN) : DRILLER' S CASING DEPTH (FT) : 23-JAN-96 ISC 2.11 SP4 5.01 MEMORY 14520.0 14212.0 14520.0 0 84.6 88.7 TOOL NUMBER P0388SP4 P0388SP4 6.75 12841.0 BOREHOLE CONDITIONS MUD TYPE: MUD DENSITY (LB/G): MI/D VISCOSITY (S) : MUD PH: MUD CHLORIDES (PPM) : FLUID LOSS (C3) : RESISTIVITY (OHMM) AT TEMPERATURE (DEGF) MUD AT MEASURED TEMPERATURE-(MT): MUD AT MAX CIRCULATING TEMPERATURE: MUD FILTRATE AT MT: MUD CAKE AT MT: FLO PRO 9.00 - 70.0 8.0 40000 5.0 .100 .041 .100 .140 68.0 174.0 68.0 68.0 NEUTRON TOOL MATRIX: MATRIX DENSITY: HOLE CORRECTION (IN) : .00 .000 TOOL STANDOFF (IN) : EWR FREQUENCY (HZ) : .0 0 REMARKS: CN WN FN COUN STAT MWD RUN 13 .. $ : BP EXPLORATION (ALASKA) : F-36 : PRUDHOE BAY : NORTH SLOPE : ALASKA * FORMAT RECORD (TYPE# 64) ONE DEPTH PER FRAME Tape depth ID: F 7 Curves: Name Tool Code Samples Units API API API API Log Crv Crv Size Length Typ Typ Cls Mod 1 GR MWD 68 1 2 RPX MWD 68 1 3 RPS MWD 68 1 4 RPM MWD 68 1 5 RPD MWD 68 1 6 ROP MWD 68 1 7 FET MWD 68 1 ~PI 4 OHMM 4 OHMM 4 OHMM 4 OHMM 4 FPHR 4 HR 4 4 90 310 01 1 4 90 120 46 1 4 90 120 46 1 4 90 120 46 1 4 90 120 46 1 4 90 810 01 1 4 90 180 01 1 281 * DATA RECORD (TYPE# 0) 998 BYTES * Total Data Records: 24 Tape File Start Depth = 14520.000000 Tape File End Depth = 14150.000000 Tape File Level Spacing = 0.500000 Tape File Depth Units = Feet **** FILE TRAILER **** LIS representation code decoding summary: Rep Code: 68 34779 datums Tape Subfile: 11 89 records... Minimum record length: Maximum record length: 62 bytes 998 bytes Tape Subfile 12 is type:-LIS 96/ 8/22 01 **** REEL TRAILER **** 96/ 8/23 01 Tape Subfile: .12 2 records... Minimum record length: 132 bytes Maximum record length: 132 bytes End of execution: Fri 23 AUG 96 8:25a Elapsed execution time = 3.58 seconds. SYSTEM RETURN CODE = 0
