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197-171
~ BP Exploration (Alaska) Inc. Attn: Well Integrity Coordinator, PRB-20 Post Office Box 196612 Anchorage, Alaska 99519-6612 ~~~ ~ ~ ~~~~ ~uiy , o, 2oos ~<~j~~'`~~4 ~~~. ' `' 2oa~ ~ -- l 7 ~ l~ ~ ~ Mr. Tom Maunder ,~, l Alaska Oil and Gas Conservation Commission 333 West 7th Avenue Anchorage, Alaska 99501 Subject: Corrosion Inhibitor Treatments of GPB R-Pad Dear Mr. Maunder, Enclosed please find multiple copies of a spreadsheet with a list of wells from GPB R- Pad that were treated with corrosion inhibitor in the surface casing by conductor annulus. The corrosion inhibitor is engineered to prevent water from entering the annular space and causing external corrosion that could result in a surface casing leak to atmosphere. The attached spreadsheet represents the well name, API and PTD numbers, top of cement depth prior to filling and volumes of corrosion inhibitor used in each conductor. As per previous agreement with the AOGCC, this letter and spreadsheet serve as notification that the treatments took place and meet the requirements of form 10-404, Report of Sundry Operations. If you require any additional information, please contact me or my alternate, Torin Roschinger, at 659-5102. Sincerely, Anna Dube, P.E. BPXA, Well Integrity Coordinator ' ~ ~ BP Exploration (Alaska ) Inc. Surface Casing by Conductor Annulus Cement, Corrosion inhibitor, Sealant Top-off Report of Sundry Operations (10-404) R-pad Date Revised 7/10/2009 Well Name API # PTD # Initial top of cement Vol. of cement um ed Final top of cement Cement top off date Corrosion inhibitor Corrosion inhibitod sealant date ft bbls ft na al R-02 50029203540000 1781000 1.25 NA 1.25 NA 6.8 5/11/2009 R-03A 50029203640100 1981710 1.5 NA 1.5 NA 7.65 5/13/2009 R-04 50029203740000 1790380 2.25 NA 225 NA 13.6 5/13/2009 R-05A 50029203800100 1972500 0 NA 0 NA 3 5/13/2009 R-06A 50029203880100 1981270 0.75 NA 0.75 NA 13.17 5/13/2009 R-07A 50029205230100 2000100 2.25 NA 2.25 NA 43 5/11/2009 R-OS 50029205480000 1810010 0.25 NA 025 NA 1.7 6/12/2009 R-09A 50029206090100 1982330 3.25 NA 3.25 NA 17.85 5/14/2009 R-10 50029206180000 1810930 2 NA 2 NA 14.5 6/22/2009 R-11A 50029208930100 1982060 0.25 NA 0.25 NA 1.7 6/11/2009 R-12 50029209210000 1830350 0.25 NA 0.25 NA 1.7 6/12/2009 R-13 50029209290000 1830440 24 NA 24 NA 96.9 6/23/2009 R-14 50029209090100 2021560 0 NA 0 NA 0.04 5/18/2009 R-15A 50029209170100 1990360 0 NA 0 NA 1.7 5/18/2009 R-16 50029206860000 1811740 15 NA 15 NA 107.5 5/17/2009 R-17A 50029206770100 1981380 4 NA 4 NA 27.2 5/15/2009 R-18B 50029206330200 1981190 6.75 NA 6.75 NA 48.87 5/15/2009 R-19A 50029206370100 1971710 8.5 NA 8.5 NA 67.48 5/17/2009 R-21 50029209970000 1831200 0.25 NA 0.25 NA 3.4 6/13/2009 R-22 50029210050000 1831280 0.5 NA 0.5 NA 4.3 6/12/2009 R-23A 50029210130100 1972020 2.25 NA 2.25 NA 16.2 6/12/2009 R-24 50029212320000 1842160 9.5 NA 9.5 NA 37.4 6/12/2009 R-25A 50029222780100 1972300 0 NA 0 NA 1.7 5/18/2009 R-26A 50029215470000 1860370 0.75 NA 0.75 NA 4.3 6/22/2009 R-27 50029215570000 1860510 0.25 NA 0.25 NA 1.7 6/11/2009 R-29 50029222750100 1971070 20 3.9 1.25 NA 11.05 5/14/2009 R-31A 50029222770100 2021500 1.5 NA 1.5 NA 8.5 5/11/2009 R-32A 50029224130100 1980090 0.75 NA 0.75 NA 8.5 6/11/2009 R-34 50029224080000 1931530 0 NA 0 NA 2.5 5/18/2009 R-35 50029224240000 1931810 0.25 NA 0.25 NA 1.7 5/11/2009 R-36 50029225220000 1941440 3.25 NA 3.25 NA 442 5/14/2009 R-39A 50029225260100 1960840 2 NA 2 NA 22.1 5/11/2009 R-40 50029229260000 1982000 1.5 NA 1.5 NA 6.8 5/14/2009 R-41 50029233990000 2081530 3.25 NA 3.25 NA 22.1 5/12/2009 ~ BP Exploration (Alaska) inc. Attn: Well Integrity Coordinator, PRB-20 Post Office Box 196612 Anchorage, Alaska 99519-6612 June 26, 2009 Mr. Tom Maunder ~ Alaska Oil and Gas Conservation Commission 333 West 7th Avenue Anchorage, Alaska 99501 ~ -~7l ~~7 ~~~~ j~p ~ ~ JUL A ~ 2Q0~ ~~~~~~ ~~~ G~~ Gon~e ~arr~ '~si~~ Ancho~~ Subject: Corrosion Inhibitor Treatments of R-Pad Dear Mr. Maunder, Enclosed please find a spreadsheet with a list of wells from R-Pad that were treated with corrosion inhibitor in the surface casing by conductor annulus. The corrosion inhibitor is engineered to prevent water from entering the annular space and causing external corrosion that could result in a surface casing leak to atmosphere. The attached spreadsheet represents the well name, top of cement depth prior to filling and volumes of corrosion inhibitor used in each conductor. g, As per previous agreement with the AOGCC, this letter and spreadsheet serve as notification that the treatments took place and meet the requirements of form 10-404, Report of Sundry Operations. If you require any additional information, please contact me or my alternate, Anna Dube, at 659-5102. Sincerely, s'ss,r"fwTd~~~~f/ cJ~)j_ lY ~{_ ;i~i:~i Torin Roschinger BPXA, Well Integrity Coordinator ~ ~ BP Exploration (Alaska ) Inc. Surface Casing by Conductor Annulus Cement, Corrosion inhibitor, Sealant Top-off Report of Sundry Operations (10-404) Date R-pad 6/25/2009 Well Name PTD # Initial top of cement Vol. of cement um ed Final top of cement Cement top off date Corrosion inhibitor Corrosion inhibitor/ sealant date ft bbls ft na al R-02 1781000 1.25 NA 1.25 NA 6.8 5/11/2009 R-03A 1981710 1.5 NA 1.5 NA 7.65 5/13/2009 R-04 1790380 2.25 NA 2.25 NA 13.6 5/13/2009 R-05A 1972500 0 NA 0 NA 3 5/13/2009 R-06A 1981270 0.75 NA 0.75 NA 13.17 5/13/2009 R-07A 2000100 2.25 NA 2.25 NA 43 5/11 /2009 R-OS 1810010 0.25 NA 0.25 NA 1.7 6/12/2009 R-09A 1982330 3.25 NA 3.25 NA 17.85 5/14/2009 R-10 1810930 2 NA 2 NA 14.5 6/22/2009 R-11A 1982060 0.25 NA 0.25 NA 1.7 6/11/2009 R-12 1830350 0.25 NA 0.25 NA 1.7 6/12/2009 R-13 1830440 3.75 NA 3.75 NA 76.5 6/22/2009 R-14 2021560 0 NA 0 NA 0.04 5/18/2009 R-15A 1990360 0 NA 0 NA 1.7 5/18/2009 R-16 1811740 15 NA 15 NA 107.5 5/17/2009 R-17A 1981380 4 NA 4 NA 27.2 5/15/2009 R-18B 1981190 6.75 NA 6.75 NA 48.87 5/15/2009 R-19A 1971710 8.5 NA 8.5 NA 67.48 5/17/2009 R-21 1831200 0.25 NA 0.25 NA 3.4 6/13/2009 R-22 1831280 0.5 NA 0.5 NA 4.3 6/12/2009 R-23A 1972020 2.25 NA 2.25 NA 16.2 6/12/2009 R-24 1842160 9.5 NA 9.5 NA 37.4 6/12/2009 R-25A 1972300 0 NA 0 NA 1.7 5/18/2009 R-26A 1860370 0.75 NA 0.75 NA 4.3 6/22/2009 R-27 1860510 0.25 NA 0.25 NA 1.7 6/11/2009 R-29 1971070 20 3.9 1.25 NA 11.05 5/14/2009 R-31 A 2021500 1.5 NA 1.5 NA 8.5 5/11 /2009 R-32A 1980090 0.75 NA 0.75 NA 8.5 6/11/2009 R-34 1931530 0 NA 0 NA 2.5 5/18/2009 R-35 1931810 025 NA 0.25 NA 1.7 5/11 /2009 R-36 1941440 325 NA 3.25 NA 44.2 5/14/2009 R-39A 1960840 2 NA 2 NA 22.1 5/11/2009 R-40 1982000 1.5 NA 1.5 NA 6.8 5/14/2009 R-41 2081530 3.25 NA 3.25 NA 22.1 5/12/2009 11/26/03 Schlumbepger NO. 3050 Alaska Data & Consulting Services Company: State of Alaska 3940 Arctic Blvd, Suite 300 Alaska Oil & Gas Cons Comm Anchorage, AK 99503-5711 Attn: Lisa Wee pie ATTN: Beth 333 West 7th Ave, Suite 100 Anchorage, AK 99501 Field: Prudhoe Bay Color ( Well Job # Log Description Date Blueline Prints CD A-02 \ ~ I'O,,-~ t 10674401 PSP LDL 11/24/03 1 D.S.06-02 r-==-7Z--ð-'¡'x 10674399 PSP PROD PROFILE 11/22/03 1 D.S.07-04A . 'id.'010 1- 10687646 PRODUCTION PROFILE 09/19/03 1 J-06 " '7 1- .... ær) 10563124 PRODUCTION PROFILE 11/10/03 1 16-21 . WS - ;~ I ~ 10563125 PROD PROFILEIDEFT 11/11/03 1 N-18 83 ~c t i5 10674395 SBHP SURVEY 11/03/03 1 C-24 1{<h2 " ~ 10703945 LDL 10/30/03 1 R-19A ;c'-"1-I-:: , 10703949 SBHPSURVEY 11/03/03 1 D.S.15-01A 'i'?5 '";~h1, 10703946 SBHP SURVEY 10/31/03 1 2-40/S-22 í g' L. --i.&:1rl. 10703952 PROD PROFILE/DEFT 11/21/03 1 NK-62A :t:).D, ~ ,()~£..; -f- 10572999 MEM INJECTION PROFILE 05/30/03 1 D.S. 15-20B cQ.0-~-1 ~( () 10669980 MEM PROD PROFILE 10/12/03 1 D.S.18-06A \ q--:¡ ~'/...I ~ 10715358 MEM PPROF & IPROF 10/30/03 1 . \ PLEASE ACKNOWLEDGE RECEIPT BY SIGNING AND RETURNING ONE COPY EACH TO: BP Exploration (Alaska) Inc. Schlumberger GeoQuest Petrotechnical Data Center LR2-1 3940 Arctic Blvd, Suite 300 900 E. Benson Blvd. ,,"""' ";~I~ :\':: r'i) r--t:' 'Do; Anchorage, AK 99503-5711 Anchorage, Alaska 99508f-'"":\ q ':1' 1 \1' ~¡,,,...,, . 00 ATTN: Beth .,:..1.f.C'WIJI ,~"'..;.' C",o.IoIo~ ( (3 I::.~' ~> .,"'"' 1- r 0 ---. Date Delivered: ; i~.'~: ¿ 2. 200 Received by:' ." \ ~ l¥'.... \ )\..C C"'<o\..~~^~ ,\:.~ !.j:iS \"':On5. vornmission .:~'S'j.}h:.;rð~le i.!;,'(('II\~L;,~~tl", lib1 tì.[1 ß'¡) /0, 2nD! ~.j,)~,,;~trìd~JI),~[;"::'11/ ~}ù"~¡I~ (,,9 ~ IJ 0 'lJ AOGCC Geological Materials Inventory PERMIT 9 7-171 BP EXPLORATION Log 8321 CDR/IMPULSE-MD CDR/IMPULSE-TVD SRVY RPT STAT TEMP/PRES ~07 Completion Date Are dry ditch samples required? Was the well cored? yes Are tests required? yes Well is in compliance Comments Data ~SCHLUM GR/CDR ,. / 5433-17313 / 5800-8950 / SCHLUM 5400.55-17361. yes ~ no ~no Initial Daily well ops Sent Recieved 2/5/1998 2/6/1998 2/5/1998 2/6/1998 2/5/1998 2/6/1998 12/10/1997 12/11/1997 6/7/1999 6/8/1999 ~ ?t':~' /*'/.'o/-; r' no And r e c eiw. d 2~-~-~--~-ye~ ..... no Analysis description recieved? Receive..d_7_ ........ -yes~ ........... ]]OX no Friday, October 08, 1999 Page 1 of 1 BP EXPLORATION Date: 6-7-1999 Trans#90452 BPIPBU CASED HOLE REPORT Enclosed is the materials listed below. If you have any questions please contact me in the Petrotechnical Data Center at (907) 564-4636 Sw Name Rec Type Log Type Desc Rec Date Company Code Comments R-19A REP PRESSURE 03-Apr-99 PDS "STATIC TEMPERATURE/PRESSURE SURVEY SURVEY, REPORT ON 8.5 X 11 PAPER." Please sign and return one copy of this transmittal. Thank-you, Scott LaVoie Petrotechnical Data Center OH/CH LOGS Becky Clark MB9-3 AOGCC Phillips Exxon Texaco Petrotechnical Data Center, MB3-3 900 East Benson Boulevard, P.O. Box 196612, Anchorage, Alaska 99519-6612 GeoQuest 500 W. International Airport Road Anchorage, AK 99518-1199 ATTN: Sherrie NO. 11780' Company: Alaska Oil & Gas Cons Comm Attn: Lori Taylor 3001 Porcupine Drive Anchorage, AK 99501 , , Field: Prudhoe Bay (Open Hole) LIS Well Job # Log Description Date BL RF Sepia Tape R-19A -~ '~:)'~, ~ 98038 MWDGR-CDR-IMPULSE 971025 1 R-19A 98038 CDR/IMPULSE 971025 I 1 , , iR-19A 98038 CDR/IMPULSE TVD 971025 I 1 :E-11A ~]~ ~'-~'~ J-/~O 97544 PEX/AIT/BCS 971018 1 E-11A-r 97544 PEX-AIT 971018 1 1 E-11A 97544 PEX-CNL 971018 1 1 E-11A 97544 PEX-CNL 3 DET.DENSlTY 971 018 1 1 E-11A 97544 PEX-BCS 971018 1 1 E-1 lA 97544 PEX-BOREHOLE PROFILE 971018 I 1 E-11A 97544 ~ PEX-SSTVD 971018 1 1 H-34 ~ <~-~[ r) 97481 DTE,BHC,CNTG 971004 1 H-34 97481 PHASOR INDUCTION 971 004 1 1 H-34 97481 CNL 971004 1 1 H-34 97481 BCS 971004 1 1 H-34 97481 SSTVD 971 004 1 1 H-34 97481 RFT 971 004 I 1 H-34 97481 USlT 971004 I COLOR- 1 PRINT PLEASE ACKNOWLEDGE RECEIPT BY SIGNING AND RETURNING ONE COPY EACH TO: 2/5/98 BP Exploration (Alaska) Inc. Petrotectnical Data Center MB3-3 900 E. Benson Blvd. Anchorage, Alaska 99519-6612 Date Delivered: Schlumberger GeoQuest 500 W. International Airport Road Anchorage, Alaska 99618-1199 ~. STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION coMM~sION WELL COMPLETION OR RECOMPLETION REPORT AND LOG R E E ~!V [ D 1. Status of Well Classification of Service VV~,I~m I 199i' [~ Oil [~] Gas [~] Suspended E~ Abandoned E~ ServicetJ~ ~ 2. Name of Operator 7. Permit Number BP Exploration (Alaska) Inc. 97-171 ~.~k:a 0il & Gas 00ns, 00fi 3. Address 8. APl Number Anchorage P.O. Box 196612, Anchorage, Alaska 99519-6612 50-029-20637-01 4. Location of well at surface ~'..'..': :':'-" .i' i'ii!.i'~ ~1~~ 9. Unit or Lease Name 1982' NSL, 1645' EWL, SEC. 32, T12N, R13E, UM (_.i~.~i~/~.~_. ! "i~ ' Prudhoo Bay U,it At top of procluctiYe interval ..... 10. Well Number 1828~ NS[-, 4574' WE[_, SEC. 30, T12N, R13E, UM'~i'~¢'.__~:~.~ ![~--- R-19A At total clepth ,. ..... ~ ; 11. Field and Pool 4783' NS[_, 1656' WE[_, SEC. 25, I12N, R12E, UM -- ' ........ Prudhoe Bay Field / Prudhoe Bay 5. Elevation in feet (indicate i<[3, DF, etc.) 16. [-ease Designation and Serial No. Pool KBE = 49.01'I AD[- 028257 ~ 2. ~t~ sp~oooo ~ o/~/ow I ~ a' ~t° *'~' ~°~°"~° i ~ 4' ~° C°mP" ~" °~ ^~°'1~ ~' ~°~ °opt"' '* °"~°~ I ~ ~' ~°' °* c°m¢°t'°~~ 0/2~/~W ~ 0/2~/~W ~/^ ~1 O~ 17. Total Depth (MD+TVD)118. Plug Back Depth (MD+TVD) 119. Directional Survey [20. Depth whore SSSV set 121. Thickness °f Pormafr°st 17361 8926 FTI 17361 8926 FTI ~]Yes I~No (Nipple) 2197' MD 1900' (Approx.) 22. Type Electric or Other Logs Run MWD, GR, RES 23. CASlNG~ LINER AND CEMENTING RECORD CASING SETTING DEPTH HOLE SIZE WT. PER FT. GRADE TOP BO-FrOM SIZE CEMENTING RECORD AMOUNT PULLED 20" X 30" Insulated Conductor Surface 110' 36" 8 cu yds concrete 13-3/8" 72¢ L-80 Surface 2675' 17-1/2" 3486 cu ft Arcticset II 9-5/8" 47¢ L-80 Surface 5482' 12-1/4" 1255 cuft Class 'G', 130 cu ft Arcticset I 7" 26# L-80 5296' 13824' 8-1/2" 212 cu ft Class 'G' 4-1/2" 12.6 L-80 13692' 17357 6" Llncemented Slotted Liner 24. Perforations open to Production (MD+TVD of Top and 125. TUBING RECORD Bottom and interval, size and number) SIZE DEPTH SET (MD) PACKER SET (MD) 4-1/2" Slotted Liner 4-1/2", 12.6#, L-80 13222' 13166' MD TVD MD TVD 13701' - 14559' 8942' - 8980' 14680' - 15134' 8985' - 8999' 26. ACID, FRACTURE, CEMENT SQUEEZE, ETC. 15218' - 15590' 9005' - 8996' DEPTH INTERVAL (MD) AMOUNT & KIND OF MATERIAL USED 15713' - 16085' 8990' - 8961' Freeze Protect with 157 Bbls of Diesel 16247' - 16904' 8956' - 8957' 16986' - 17351' 8956' - 8927' ! :Date First Production I Method of Operation (Flowing, gas lift, etc.) ~,~ 11/13/97 Flowing Date of Test Hours Tested PRODUCTION FOR OIL-BBb iGAS-MCF WATER-BBb CHOKE SIZE I GAS-~'~L RATIO TEST PERIOD I Flow Tubing Casing Pressure CALCULATED OIL-BBb GAS-MCF WATER-BBb 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. missio Form 10-407 Rev. 07-01-80 Submit In Duplicate 29. Geologic Markers 30. Formation Tests Measured True Vertical Include interval tested, pressure data, all fluids Marker Name Depth Depth recovered and gravity, GOR, and time of each phase. Sag River 13812' 8958' 31. List of Attachments Summary of Daily Drilling Reports, Surveys 32. I hereby certify tha~ he foregoing is true ?~j~d correct to the best of my knowledge Signed,~ -~;1,.~ ,~~r .... /~/~/C~ James Smith , ' Title Senior Drilling Engineer, Acting Date R-19A d 97-171 Prepared By Name/Number: Terrie Hubble, 564-4628 Well Number" Permit No, / Approval No. iNSTRUCTIONS GENERAL: This form is designed for submitting a complete and correct well completion report and Icg 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 cementing and the location of the cementing tool. ITEM 27: Method of Operation: Flowing, Gas Lift, Rod Pump, Hydraulic Pump, Submersible, Water Injection, Gas Injection, Shut-In, Other-explain. ITEM 28: If no cores taken, indicate 'none'. Form 10-407 Rev. 07-01-80 B.P. Exploration Alaska R-19a Prudhoe Bay North Slope 8600' TVDss M.D. - 12864' Static Temperature / Pressure Survey ProActive Diagnostic Services, Inc. Elapsed Time Temperature Pressure (Minutes) (Deg. F) (psia) 0.0 199.1 2171.9 0.5 199.1 2171.9 1.0 199.1 2171.9 1.5 199.1 2171.9 2.0 199.1 2171.9 2.5 199.1 2171.9 3.0 199.1 2171.9 3.5 199.1 2171.9 4.0 199.1 2171.9 4.5 199.0 2171.9 5.0 199.0 2171.9 5.5 199.0 2171.9 6.0 199.0 2171.9 6.5 199.0 2171.9 7.0 199.0 2171.9 7.5 199.0 2171.9 8.0 199.0 2171.9 8.5 199.0 2171.9 9.0 199.0 2171.9 9.5 199.0 2171.9 10.0 199.0 2171.9 10.5 199.0 2171.9 11.0 199.0 2171.9 11.5 199.0 2171.9 12.0 199.0 2171.8 12.5 199.0 2171.8 13.0 198.9 2171.8 13.5 198.9 2171.8 14.0 198.9 2171.8 14.5 198.9 2171.8 15.0 198.9 2171.8 AVERAGE 199.01 2171.87 Date: April 3, 1999 Start time: 16:18:00 210 Temperature Data 195 ......................................................................................................................................................................... 190 I I I I I I I I I I I I I I I I I I I I I I I I I I I I I 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Minutes 2200 2190 2180 Pressure Data ................................................................................................................................. 1 2~70 ........................................................................................................................................................................ 2160 I I I I I I I I I I I I I I I I I I I I I I I I I I I I I 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Minutes Page 1 B.P. Exploration Alaska R-19a Prudhoe Bay North Slope 8700' TVDss M.D. = 13087' Static Temperature / Pressure Survey ProActive Diagnostic Services, Inc. Elapsed Time Temperature Pressure (Minutes) (Deg. F) (psia) 0.0 200.8 2174.0 0.5 200.8 2174.0 1.0 200.9 2174.0 1.5 200.9 2174.1 2.0 200.9 2174.1 2.5 200.9 2174.1 3.0 200.9 2174.1 3.5 201.0 2174.1 4.0 201.0 2174.1 4.5 201.0 2174.1 5.0 201.0 2174.1 5.5 201.0 2174.1 6.0 201.0 2174.1 6.5 201.0 2174.1 7.0 201.0 2174.2 7.5 201.0 2174.2 8.0 201.1 2174.2 8.5 201.1 2174.2 9.0 201.1 2174.2 9.5 201.1 2174.2 10.0 201.1 2174.2 10.5 201.1 2174.2 11.0 201.1 2174.2 11.5 201.1 2174.3 12.0 201.2 2174.3 12.5 201.2 2174.3 13.0 201.2 2174.3 13.5 201.2 2174.3 14.0 201.2 2174.3 14.5 201.2 2174.3 15.0 201.2 2174.3 AVERAGE 201.04 2174.17 Date: April 3, 1999 Start time: 16:42:00 Temperature Data I I I I I I I I I I I [ I I I I I I I I I I [ I I I I I I 0 I 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Minutes Pressure Data 2200 2180 ........................................................................................................................................................................ 2170 ......................................................................................................................................................................... 2160 I t I I I I I I t I I I I I I [ I I I I I I I I I t I I I 0 I 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Minutes Page 2 B.P. Exploration Alaska R-19a Prudhoe Bay North Slope 8800' TVDss M.D. = 13306' Static Temperature / Pressure Survey ProActive Diagnostic Services, Inc. Elapsed Time Temperature Pressure (Minutes) (Deg. F) (psia) 0.0 204.8 2177.2 0.5 204.8 2177.2 1.0 204.8 2177.2 1.5 204.8 2177.2 2.0 204.8 2177.2 2.5 204,9 2177.3 3.0 204.9 2177.3 3.5 204.9 2177.3 4.0 204.9 2177,3 4.5 204.9 2177.3 5.0 204.9 2177.3 5.5 205.0 2177.3 6.0 205.0 2177.3 6.5 205.0 2177.3 7.0 205.0 2177.3 7.5 205.0 2177.3 8.0 205.1 2177.3 8.5 205.1 2177.4 9.0 205.1 2177.4 9.5 205.1 2177.3 10.0 205.1 2177.3 10.5 205.1 2177.3 11.0 205.2 2177.3 11.5 205.2 2177.2 12.0 205.2 2177.2 12.5 205.2 2177.1 13.0 205.2 2177.1 13.5 205.3 2177.0 14.0 205.3 2177.8 14.5 205.3 2177.7 15.0 205.3 2177.7 AVERAGE 205.03 2177.30 Date: April 3, 1999 Start time: 17:00:00 Temperature Data 200 195 190 I I I I I I I I I I 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Minutes Pressure Data 2200 2180 ........................................................................................................................................................................ 2170 ........................................................................................................................................................................ 2160 [ I I I I I I i I I I I i i I I I I I I I i I I I I I I I 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Minutes Page 3 B.P. Exploration Alaska R-19a Prudhoe Bay North Slope 8700' TVDss M.D. = 13087' Static Temperature / Pressure Survey ProActive Diagnostic Services, Inc. Elapsed Time Temperature Pressure (Minutes) (Deg. F) (psia) 0.0 202.57 2173.13 2.0 202.57 2173.12 4.0 202.55 2173.12 6.0 202.55 2173.12 8.0 202.55 2173.13 10.0 202.55 2173.11 12.0 202.53 2173.10 14.0 202.53 2173,08 16.0 202.53 2173.08 18.0 202.53 2173.08 20.0 202.51 2173.09 22.0 202.51 2173.09 24.0 202.51 2173.09 26.0 202.51 2173.10 28.0 202.51 2173.10 30.0 202.50 2173.09 32.0 202.50 2173.09 34.0 202.50 2173.09 36.0 202.50 2173.10 38.0 202.50 2173.10 40.0 202.50 2173.10 42.0 202.48 2173.10 44.0 202.48 2173.10 46.0 202.48 2173.10 48.0 202.48 2173.09 50.0 202.48 2173.09 52.0 202.48 2173.09 54.0 202.48 2173.09 56.0 202.46 2173.08 58.0 202.46 2173.11 60.0 202.44 2173.04 AVERAGE 202.51 2173.10 Date: April 3, 1999 Start time: 17:20:00 Temperature Data 210 200 195 190 I I I I I I I I I I I t I I I I I I I I I I I I I I t I I 0 4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 Minutes Pressure Data 2200 2180 .......................................................................................................................................................................... 2170 .......................................................................................................................................................................... 2160 I I I I I I I I I I I I I I I I I I I I I I I I I I I I I 0 4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 Minutes Page 4 Progress Report Facility PB R Pad Well R-19A Rig Nabors 18E Page 1 Date 20 November 97 Date/Time 28 Sep97 11:00-12:00 12:00-12:30 12:30-15:00 15:00-17:30 17:30-00:00 29 Sep 97 00:00-00:30 00:30-06:00 06:00-12:00 12:00-12:30 12:30-18:30 18:30-00:00 30 Sep 97 00:00-00:30 00:30-06:00 06:00-12:00 12:00-12:30 12:30-13:30 13:30-14:00 14:00-15:00 15:00-17:00 17:00-18:00 18:00-23:00 23:00-00:00 01 Oct 97 00:00-00:30 00:30-06:00 06:00-11:00 11:00-12:00 12:00-12:30 12:30-21:00 21:00-22:00 22:00-00:00 02 Oct 97 00:00-00:30 00:30-06:00 06:00-11:00 11:00-12:00 12:00-12:30 12:30-15:00 15:00-17:30 17:30-20:30 20:30-21:15 21:15-04:45 03 Oct 97 04:45-05:00 05:00-06:00 06:00-08:45 08:45-13:00 13:00-14:00 14:00-16:00 16:00-16:15 16:15-19:45 19:45-20:30 20:30-23:00 23:00-00:00 04 Oct 97 00:00-00:30 00:30-02:00 02:00-02:45 Duration lhr 1/2 hr 2-1/2 hr 2-1/2 hr 6-1/2 hr 1/2 hr 5-1/2 hr 6 hr 1/2 hr 6 hr 5-1/2 hr 1/2 hr 5-1/2 hr 6 hr 1/2 hr lhr 1/2 hr lhr 2hr lhr 5hr lhr 1/2 hr 5-1/2 hr 5hr lhr 1/2 hr 8-1/2 hr lhr 2hr 1/2 hr 5-1/2 hr 5hr lhr 1/2 hr 2-1/2 hr 2-1/2 hr 3hr 3/4 hr 7-1/2 hr 1/4 hr lhr 2-3/4 hr 4-1/4 hr 1 hr 2hr 1/4 hr 3-1/2 hr 3/4 hr 2-1/2 hr lhr 1/2 hr 1-1/2 hr 3/4 hr Activity Rigged down Drillfloor / Derrick Held safety meeting Rigged down Drillfloor / Derrick Rig moved 10.00 % Rig moved 40.00 % Held safety meeting Rig moved 60.00 % Rigged up Drillfloor / Derrick Held safety meeting Rigged up Drillfloor / Derrick Rigged up BOP stack Held safety meeting Rigged up Drillfloor / Derrick Rig moved 100.00 % Held safety meeting Retrieved Hanger plug Rigged up High pressure lines Held safety meeting Circulated at 5800.00 ft Installed BOP test plug assembly Removed Xmas tree Rigged up BOP stack Held safety meeting Rigged up BOP stack Rigged up BOP stack Tested BOP stack Held safety meeting Tested BOP stack Removed BOP test plug assembly Pulled Tubing on retrieval string to 80.00 ft Held safety meeting Removed Seal assembly Removed Seal assembly (cont...) Installed Seal assembly Held safety meeting Installed Seal assembly Rigged up BOP stack Tested BOP stack Installed Wear bushing Laid down 5809.00 ft of Tubing Installed Wear bushing Made up BHA no. 1 Made up BHA no. 1 (cont...) R.I.H. to 5801.00 ft Circulated at 5801.00 ft Pulled out of hole to 0.00 ft Pulled BHA Set packer at 5700.00 ft with 0.0 psi Tested Casing Circulated at 5670.00 ft Pulled out of hole to 5280.00 ft Held safety meeting Pulled out of hole to 0.00 ft Made up BHA no. 2 Facility Date/Time 05 Oct 97 06 Oct 97 07 Oct 97 08 Oct 97 09 Oct 97 PB R Pad Progress Report Well R-19A Page 2 Rig Nabors 18E Date 20 November 97 02:45-03:00 03:00-05:00 05:00-06:00 06:00-12:00 12:00-12:30 12:30-18:00 18:00-00:00 00:00-00:30 00:30-01:00 01:00-02:00 02:00-04:00 04:00-04:30 04:30-05:00 05:00-06:00 06:00-08:30 08:30-08:45 08:45-09:30 09:30-12:00 12:00-12:30 12:30-14:30 14:30-15:30 15:30-16:30 16:30-19:45 19:45-21:30 21:30-00:00 00:00-00:30 00:30-01:00 01:00-06:00 06:00-08:30 08:30-12:00 12:00-12:30 12:30-15:30 15:30-00:00 00:00-00:30 00:30-06:00 06:00-12:00 12:00-12:30 12:30-13:30 13:30-14:30 14:30-16:30 16:30-17:30 17:30-19:30 19:30-22:00 22:00-00:00 00:00-00:30 00:30-06:00 06:00-09:00 09:00-10:00 10:00-11:00 11:00-12:00 12:00-12:30 12:30-00:00 00:00-00:30 00:30-01:00 Duration 1/4hr 2hr 1 hr 6 hr 1/2 hr 5-1/2 hr 6hr 1/2 hr 1/2 hr lhr 2hr 1/2 hr 1/2 hr lhr 2-1/2 hr 1/4 hr 3/4 hr 2-1/2 hr 1/2 hr 2hr 1 hr lhr 3-1/4 hr 1-3/4 hr 2-1/2 hr 1/2 hr 1/2 hr 5hr 2-1/2 hr 3-1/2 hr 1/2 hr 3hr 8-1/2 hr 1/2 hr 5-1/2 hr 6 hr 1/2 hr lhr lhr 2hr 1 hr 2hr 2-1/2 hr 2hr 1/2 hr 5-1/2 hr 3 hr lhr 1 hr lhr 1/2 hr 11-1/2 hr 1/2 hr 1/2 hr Activity Held safety meeting R.I.H. to 5482.00 ft 'x,,,~ Milled Casing at 5482.00 ft Milled Casing at 5482.00 ft (cont...) Held safety meeting Milled Casing at 5516.00 ft Milled Casing at 5530.00 ft Held safety meeting Milled Casing at 5532.00 ft ~0[[ & Ca°° Circulated at 5532.00 ft Pulled out of hole to 0.00 ft Pulled BHA Ran Drillpipe to 50.00 ft (Sin OD) Ran Drillpipe in stands to 4000.00 ft Ran Drillpipe in stands to 5650.00 ft (cont...) Held safety meeting Displaced slurry - 55.000 bbl Held 1510.0 psi pressure on 5.000 bbl squeezed cement Held safety meeting Laid down 840.00 ft of Drillpipe Serviced Block line Serviced Rotary table Tested BOP stack Made up BHA no. 3 R.I.H. to 3470.00 ft Held safety meeting R.I.H. to 5001.00 ft Drilled cement to 5340.00 ft Drilled cement to 5487.00 ft (cont...) Drilled to 5492.00 ft Held safety meeting Drilled to 5537.00 ft Drilled to 5965.00 ft Held safety meeting Drilled to 6214.00 ft Drilled to 6464.00 ft (cont...) Held safety meeting Drilled to 6558.00 ft Circulated at 6558.00 ft Pulled out of hole to 0.00 ft Pulled BHA Made up BHA no. 4 R.I.H. to 6558.00 ft Drilled to 6647.00 ft Held safety meeting Drilled to 7300.00 ft Drilled to 7614.00 fi (cont...) Pulled out of hole to 6200.00 ft R.I.H. to 7614.00 ft Serviced Swivel Held safety meeting Drilled to 8604.00 fi Held safety meeting Drilled to 8698.00 fi Facility Date/Time 10 Oct 97 11 Oct 97 12 Oct 97 13 Oct 97 14 Oct 97 PB R Pad Progress Report Well R- 19A Rig Nabors 18E Page Date Duration Activity 01:00-02:00 02:00-02:30 02:30-06:00 06:00-12:00 12:00-12:30 12:30-15:00 15:00-15:30 15:30-16:15 16:15-16:30 16:30-00:00 00:00-00:30 00:30-06:00 06:00-09:00 09:00-10:00 10:00-12:00 12:00-12:30 12:30-13:30 13:30-14:30 14:30-15:30 15:30-16:00 16:00-00:00 00:00-00:30 00:30-06:00 06:00-12:00 12:00-12:30 12:30-13:00 13:00-13:30 13:30-00:00 00:00-00:30 00:30-06:00 06:00-11:00 11:00-12:00 12:00-12:30 12:30-15:00 15:00-16:15 16:15-21:30 21:30-22:30 22:30-23:30 23:30-00:00 00:00-00:30 00:30-03:00 03:00-03:30 03:30-05:00 05:00-06:00 06:00-07:00 07:00-07:30 07:30-10:30 10:30-12:00 12:00-12:30 12:30-00:00 00:00-00:30 00:30-03:30 03:30-04:00 04:00-06:00 lhr 1/2 hr 3-1/2 hr 6hr 1/2 hr 2-1/2 hr 1/2 hr 3/4 hr 1/4 hr 7-1/2 hr 1/2 hr 5-1/2 hr 3hr lhr 2 hr 1/2 hr lhr lhr lhr 1/2 hr 8hr 1/2 hr 5-1/2 hr 6hr 1/2 hr 1/2 hr 1/2 hr 10-1/2 hr 1/2 hr 5-1/2 hr 5hr lhr 1/2 hr 2-1/2 hr 1-1/4 hr 5-1/4 hr lhr lhr 1/2 hr 1/2 hr 2-1/2 hr 1/2 hr 1-1/2 hr lhr 1 hr 1/2 hr 3 hr 1-1/2 hr 1/2 hr 11-1/2 hr 1/2 hr 3 hr 1/2 hr 2hr Pulled out of hole to 7600.00 ft R.I.H. to 8698.00 ft Drilled to 9000.00 ft Drilled to 9413.00 ft (cont...) Held safety meeting Drilled to 9719.00 ft Circulated at 9719.00 ft Pulled out of hole to 8656.00 ft R.I.H. to 9719.00 ft Drilled to 10188.00 ft Held safety meeting Drilled to 10605.00 ft Drilled to 10748.00 ft (cont...) Serviced Standpipe manifold Drilled to 10843.00 ft Held safety meeting Drilled to 10937.00 ft Circulated at 10937.00 ft Pulled out of hole to 9677.00 ft R.I.H. to 10937.00 ft Drilled to 11320.00 ft Held safety meeting Drilled to 11716.00 ft Drilled to 11716.00 ft (cont...) Held safety meeting Pulled out of hole to 10925.00 ft R.I.H. to 11969.00 ft Drilled to 12562.00 ft Held safety meeting Drilled to 12870.00 ft Drilled to 13187.00 ft (cont...) Circulated at 13187.00 ft Held safety meeting Pulled out of hole to 9677.00 ft Circulated at 9677.00 ft Pulled out of hole to 200.00 ft Pulled BHA Retrieved Wear bushing Tested BOP stack Held safety meeting Tested BOP stack Installed Wear bushing Made up BHA no. 5 R.I.H. to 3000.00 ft R.I.H. to 5482.00 ft (cont...) Serviced Block line R.I.H. to 13170.00 ft Circulated at 13170.00 ft Held safety meeting Drilled to 13468.00 ft Held safety meeting Drilled to 13564.00 ft Serviced Survey wireline unit Drilled to 13627.00 ft 3 20 November 97 Progress Report Facility PB R Pad Well R- 19A Rig Nabors 18E Page 4 Date 20 November 97 Date/Time 06:00-12:00 12:00-12:30 12:30-13:00 13:00-14:00 14:00-14:30 14:30-15:00 15:00-16:30 16:30-00:00 15 Oct 97 00:00-00:30 00:30-01:30 01:30-03:00 03:00-04:30 04:30-04:45 04:45-06:00 06:00-12:00 12:00-12:30 12:30-15:00 15:00-15:30 15:30-19:30 19:30-23:30 23:30-00:30 16 Oct 97 00:30-04:00 06:00-07:00 07:00-08:00 08:00-08:30 08:30-09:30 09:30-12:00 12:00-12:30 12:30-15:00 15:00-17:00 17:00-00:00 17 Oct 97 00:00-00:30 00:30-06:00 06:00-07:30 07:30-08:30 08:30-10:30 10:30-11:00 11:00-11:30 11:30-12:00 12:00-12:30 12:30-13:30 13:30-14:30 14:30-18:00 18:00-00:00 18 Oct 97 00:00-00:30 00:30-06:00 06:00-10:00 10:00-11:30 11:30-12:00 12:00-12:30 12:30-13:30 13:30-15:00 15:00-22:00 22:00-23:00 Duration 6hr 1/2 hr 1/2 hr lhr 1/2 hr 1/2 hr 1-1/2 hr 7-1/2 hr 1/2 hr lhr 1-1/2 hr 1-1/2 hr 1/4 hr 1-1/4 hr 6hr 1/2 hr 2-1/2 hr 1/2 hr 4hr 4hr 1 hr 3-1/2 hr lhr lhr 1/2 hr lhr 2-1/2 hr 1/2 hr 2-1/2 hr 2hr 7 hr 1/2 hr 5-1/2 hr 1-1/2 hr lhr 2hr 1/2 hr 1/2 hr 1/2 hr 1/2 hr 1 hr lhr 3-1/2 hr 6 hr 1/2 hr 5-1/2 hr 4hr 1-1/2 hr 1/2 hr 1/2 hr lhr 1-1/2 hr 7 hr 1 hr Activity Drilled to 13790.00 ft (cont...) Held safety meeting Drilled to 13824.00 ft Circulated at 13824.00 ft Pulled out of hole to 12855.00 ft R.I.H. to 13824.00 ft Circulated at 13824.00 ft Pulled out of hole to 1500.00 ft Held safety meeting Pulled out of hole to 200.00 ft Pulled BHA Rigged up Casing handling equipment Held safety meeting Ran Liner to 7in (200.00 ft OD) Ran Liner to 4000.00 ft (7in OD) (cont...) Held safety meeting Ran Liner to 5482.00 ft (7in OD) Circulated at 5482.00 ft Ran Liner to 8528.00 ft (7in OD) Ran Drillpipe on landing string to 13457.00 ft Worked stuck pipe at 13457.00 ft Washed to 13824.00 ft Mixed and pumped slurry - 38.000 bbl Displaced slurry - 406.000 bbl Functioned Casing hanger Reverse circulated at 5296.00 ft Laid down 2183.00 ft of 5in OD drill pipe Held safety meeting Laid down 5296.00 fl of 5in OD drill pipe Made up BHA no. 6 Singled in drill pipe to 6850.00 fl Held safety meeting Singled in drill pipe to 12240.00 ft R.I.H. to 13677.00 ft Drilled cement to 13737.00 ft Circulated at 13737.00 ft Tested Casing Held drill (Kick (well kill)) Drilled installed equipment - Landing collar Held safety meeting Drilled cement to 13824.00 ft Drilled to 13844.00 ft Circulated at 13844.00 fl Drilled to 14044.00 ft Held safety meeting Drilled to 14323.00 ft Drilled to 14418.00 ft Circulated at 14418.00 fl Drilled to 14450.00 ft Held safety meeting Circulated at 14460.00 fl Drilled to 14489.00 ft Pulled out of hole to 220.00 ft Pulled BHA Facility PB R Pad Progress Report Well R- 19A Rig Nabors 18E Page Date 5 20 November 97 Date/Time 19 Oct 97 20 Oct 97 21 Oct 97 22 Oct 97 23 Oct 97 23:00-00:00 00:00-00:30 00:30-03:00 03:00-03:30 03:30-04:30 04:30-06:00 06:00-09:30 09:30-12:00 12:00-12:30 12:30-00:00 00:00-00:30 00:30-06:00 06:00-11:30 11:30-12:00 12:00-12:30 12:30-13:00 13:00-13:30 13:30-16:00 16:00-20:30 20:30-21:30 21:30-23:00 23:00-00:00 00:00-00:30 00:30-01:00 01:00-05:30 05:30-06:00 06:00-08:00 08:00-12:00 12:00-12:30 12:30-14:30 14:30-19:30 19:30-20:30 20:30-22:30 22:30-00:00 00:00-00:30 00:30-04:30 04:30-06:00 06:00-06:30 06:30-12:00 12:00-12:30 12:30-13:30 13:30-14:30 14:30-15:30 15:30-22:00 22:00-22:30 22:30-00:00 00:00-00:30 00:30-01:30 01:30-03:00 03:00-06:00 06:00-12:00 12:00-12:30 12:30-13:00 13:00-17:00 Duration lhr 1/2 hr 2-1/2 hr 1/2 hr 1 hr 1-1/2 hr 3-1/2 hr 2-1/2 hr 1/2 hr 11-1/2 hr 1/2 hr 5-1/2 hr 5-1/2 hr 1/2 hr 1/2 hr 1/2 hr 1/2 hr 2-1/2 hr 4-1/2 hr 1 hr 1-1/2 hr lhr 1/2 hr 1/2 hr 4-1/2 hr 1/2 hr 2hr 4hr 1/2 hr 2hr 5 hr 1 hr 2hr 1-1/2 hr 1/2 hr 4hr 1-1/2 hr 1/2 hr 5-1/2 hr 1/2 hr lhr 1 hr lhr 6-1/2 hr 1/2hr 1-1/2 hr 1/2 hr 1 hr 1-1/2 hr 3hr 6hr 1/2 hr 1/2 hr 4hr Activity Retrieved Bore protector Held safety meeting Tested BOP stack Installed B ore protector Made up BI-lA no. 7 R.I.H. to 3700.00 ft R.I.H. to 14489.00 ft Drilled to 14535.00 ft Held safety meeting Drilled to 14972.00 ft Held safety meeting Drilled to 15273.00 ft Drilled to 15384.00 ft Circulated at 15384.00 ft Held safety meeting Pulled out of hole to 13778.00 ft R.I.H. to 15384.00 ft Circulated at 15384.00 ft Pulled out of hole to 220.00 ft Pulled BHA Made up BHA no. 8 R.I.H. to 1220.00 ft Held safety meeting Serviced Block line R.I.H. to 14382.00 ft Reamed to 15384.00 ft Reamed to 15384.00 ft Drilled to 15463.00 ft Held safety meeting Circulated at 15463.00 ft Pulled out of hole to 219.00 ft Pulled BHA Made up BHA no. 9 R.I.H. to 1500.00 ft Held safety meeting R.I.H. to 15142.00 ft Washed to 15463.00 ft Washed to 15463.00 ft Pulled out of hole to 2500.00 ft Held safety meeting Pulled out of hole to 28.00 ft Pulled BHA Made up BHA no. 10 R.I.H. to 15460.00 ft Circulated at 15460.00 ft Drilled to 15509.00 ft Held safety meeting Drilled to 15591.00 ft Serviced Shaker discharge line Drilled to 15755.00 ft Drilled to 15960.00 ft Held safety meeting Circulated at 15960.00 ft Drilled to 16162.00 ft Facility Date/Time 24 Oct 97 25 Oct 97 26 Oct 97 27 Oct 97 28 Oct 97 PB R Pad 17:00-18:30 18:30-00:00 00:00-00:30 00:30-01:00 01:00-01:30 01:30-02:00 02:00-06:00 06:00-08:30 08:30-12:00 12:00-12:30 12:30-00:00 00:00-00:30 00:30-06:00 06:00-12:00 12:00-12:30 12:30-17:00 17:00-17:30 17:30-18:00 18:00-20:30 20:30-00:00 00:00-00:30 00:30-04:30 04:30-06:00 06:00-07:00 07:00-11:00 11:00-12:00 12:00-12:30 12:30-20:00 20:00-21:00 21:00-22:00 22:00-00:00 00:00-00:30 00:30-03:00 03:00-06:00 06:00-09:30 09:30-10:30 10:30-12:00 12:00-12:30 12:30-14:30 14:30-15:00 15:00-00:00 00:00-00:30 00:30-01:00 01:00-03:30 03:30-04:00 04:00-06:00 06:00-09:00 09:00-09:30 09:30-10:00 10:00-11:30 11:30-12:00 12:00-12:30 12:30-13:30 13:30-16:00 Duration 1-1/2 hr 5-1/2 hr 1/2 hr 1/2 hr 1/2 hr 1/2 hr 4 hr 2-1/2 hr 3-1/2 hr 1/2 hr 11-1/2 hr 1/2 hr 5-1/2 hr 6hr 1/2 hr 4-1/2 hr 1/2 hr 1/2 hr 2-1/2 hr 3-1/2 hr 1/2 hr 4 hr 1-1/2 hr 1 hr 4hr lhr 1/2 hr 7-1/2 hr 1 hr 1 hr 2hr 1/2 hr 2-1/2 hr 3hr 3-1/2 hr lhr 1-1/2 hr 1/2 hr 2hr 1/2 hr 9hr 1/2 hr 1/2 hr 2-1/2 hr 1/2 hr 2 hr 3 hr 1/2 hr 1/2 hr 1-1/2 hr 1/2 hr 1/2 hr 1 hr 2-1/2 hr Progress Report Well R- 19A Rig Nabors 18E Page Date Activity Circulated at 16162.00 ft Pulled out of hole to 1500.00 ft Held safety meeting Pulled out of hole to 219.00 ft Pulled BHA Made up BHA no. 11 R.I.H. to 9300.00 ft R.I.H. to 16162.00 ft Drilled to 16287.00 ft Held safety meeting Drilled to 16754.00 ft Held safety meeting Drilled to 16974.00 ft Drilled to 17225.00 ft Held safety meeting Drilled to 17361.00 ft Pulled out of hole to 16027.00 ft R.I.H. to 17361.00 ft Circulated at 17361.00 fi Pulled out of hole to 13982.00 ft Held safety meeting Pulled out of hole to 219.00 ft Pulled BHA Rigged up Casing handling equipment Ran Liner to 3665.00 ft (4-1/2in OD) Ran Drillpipe on landing string to 4860.00 ft Held safety meeting Ran Drillpipe on landing string to 13824.00 ft Set Liner hanger at 13685.00 ft with 3000.0 psi Tested Tie back packer - Via annulus Circulated at 13685.00 fi Held safety meeting Circulated at 13685.00 fi Laid down 2500.00 fi of 5in OD drill pipe Laid down 7500.00 ft of 3-1/2in OD drill pipe Serviced Block line Laid down 10500.00 fi of 3-1/2in OD drill pipe Held safety meeting Laid down 13685.00 fi of 3-1/2in OD drill pipe Functioned BOP stack Ran Tubing to 10347.00 fi (4-1/2in OD) Held safety meeting Installed SCSSSV nipple assembly Ran Tubing to 13222.00 ft (4-1/2in OD) Installed Hanger assembly Displace treatment Circulated at 13222.00 fi Ran Tubing on landing string to 13222.00 ft Tested Tubing Installed BOP test plug assembly Rigged down BOP stack Held safety meeting Rigged down BOP stack Installed Xmas tree 6 20 November 97 Progress Report Facility PB R Pad Well R- 19A Rig Nabors 18E Page 7 Date 20 November 97 Date/Time 16:00-17:00 17:00-18:00 18:00-20:00 20:00-23:30 23:30-00:00 Duration 1 hr lhr 2hr 3-1/2 hr 1/2 hr Activity Rigged up High pressure lines Retrieved BOP test plug assembly Tested Casing Freeze protect well - 157.000 bbl of Diesel Installed Hanger plug SURVEY REPORT Client: SSD Field: Prudhoe Bay Well Name: R-19A Spud Date: 4-Oct-97 APl number: 50-029-20637-01 Last survey date: 25-Oct-97 Job number: 40001486 Total accepted surveys: 236 Rig: 18-E MD of first survey: 5533.01 County: NSB MD of last survey: 17304.09 State: AK Survey Calculations Calc method for positions: Calc method for DLS: Minimum Curvature Mason & Taylor ,Depth references Permanent datum: MSL 0 FT Depth reference: KB 49.01 FT GL above Permanent: 18.51 FT KB above Permanent: 49.01 FT DF above Permanent: 47.51 FT Vedical section origin Latidude (+N/S-): 0 FT Departure (+E/W-): 0 FT Azim from rotary table to target: 310.66 deg. Schlumberger ANADRILL Survey Report Seq Measured Incl Azimuth Course # Depth angle angle length (ft) (deg) (deg) (fi) 1 5400.55 36.65 0.2 0.0 2 5482.00 37.45 0.7 81.5 3 5533.01 37.18 355.5 51.0 4 5564.05 38.63 352.4 31.0 5 5596.47 40.22 349.1 32.5 6 5628.39 41.46 345.9 31.9 7 5658.60 43.12 342.8 30.2 8 5690.20 44.33 338.0 31.6 9 5722.12 45.33 335.5 31.9 10 5754.43 45.99 334.2 32.3 11 5785.94 46.15 332.2 31.5 12 5817.49 46.45 330.5 31.6 13 5849.13 47.30 328,3 31.6 14 5881.42 48.19 325.7 32.3 15 5913.12 48.84 323.0 31.7 16 5945.19 49.95 320.4 32.1 17 5976.97 50.66 318.9 31.8 18 6007.35 50.97 316.9 30.3 19 6037.93 50.83 314.3 30.6 20 6068.74 50.78 313.5 30.8 21 6099.29 50.89 310.8 22 6130.50 51.56 308.1 30.6 31.2 Geomagnetic data FT Magnetic Model: BGGM 1996 Version Magnetic Date: 2-Oct-97 Magnetic field strength: 1147.01 HCNT Magnetic dec (+E/W-): 28.30 degrees Magnetic Dip: 80.74 degrees MWD Survey Reference Cdteda Reference G: 1002.68 milliG Reference H: 1147.01 HCNT Reference Dip: 80.74 degrees Tolerance G: 4 milliG Tolerance H: 6 HCNT Tolerance Dip: 0.3 degrees Correction Magnetic dec (+E/W-): Gdd convergence (+E/W-): Total az corr (+ENV-): TVD Vertical Displacement depth section +N/S- +ENV- (rt/ (~t) (ft) (ft) 5081.20 854.35 1154.46 -134.65 5146.25 886.05 1203.56 -134.26 5186.82 906.94 1234.44 -135.28 5211.28 920.81 1253.37 -137.30 5236.39 936.60 1273.73 -140.62 5260.52 953.29 1294.09 -145.14 5282.86 970.20 1313.65 -150.63 5305.71 989.16 1334.21 -157.97 5328.33 1009.36 1354.87 -166.85 5350.91 1030.43 1375.78 -176.66 5372.76 1051.38 1396.03 -186.89 5394.59 1072.75 1416.07 -197.85 5416.20 1094.59 1435.92 -209.59 5437.92 1117.53 1455.97 -222.61 5458.92 1140.60 1475.26 -236.45 5479.81 1164.52 1494.38 -251.55 5500.12 1188.68 1513.02 -267.40 5519.27 1211.98 1530.45 -283.14 5538.57 1235.63 1547.41 -299.75 5558.03 1259.47 1563.96 -318.95 5577.36 1283.18 1579.88 -334.54 5596.90 1307.49 1595.33 -353.32 28.30 degrees 0 degrees 28.30 degrees Total at Azm DLS displacement (deg/ (ft) (deg) 100f) 1162.29 353.35 0.00 1211.03 353.63 1.05 1241.83 353.75 6.20 1260.87 353.75 7.72 1281.47 353.70 8.09 Srvy tool type TIP MVVD_M MWD_M MVVD_M MWD_M Tool quality type . . - . 1302.21 353.60 7.62 MWD_M - 1322.26 353.46 8.83 MWD 6-axis 1343.53 353.25 11.17 MWD 6-axis 1365.10 352.98 6.35 MWD 6-axis 1387.08 352.68 3.53 MWD 6-axis 1 408.48 352.37 4.60 MVVD 6-axis 1429.83 352.05 4.00 MWD 6-axis 1 451.1 4 351.70 5.75 MVVD 6-axis 1472.88 351.31 6.56 MWD 6-axis 1494.09 350.89 6.70 MWD 6-axis MWD MWD MWD MWD MWD 1515.40 350.44 7.05 1538.47 349.98 4.26 1556.42 349.52 5.22 1576.18 349.04 6.61 1595.76 348.54 2.02 6-axis 6-axis 6-axis 6-axis 6-axis 1614.91 348.04 6.85 MWD 6-axis 1 633.99 347.51 7.08 MWD 6-axis Page 1 · Schlumberger ANADRILL Survey Report Seq Measured Incl Azimuth Course TVD Vertical Displacement Total at Azm DLS Srvy Tool # Depth angle angle length depth section +N/S- +E/W- displacement (deg/ tool quality (ft) (deg) (deg) (ft) (ft) (ft) (fi) (ft) (ft) (deg) 100f) type type 23 6161.52 52.61 305.4 31.0 5615.96 1331.89 1609.96 -372.92 1652.58 346.96 7.66 MWD 6-axis 24 6191.89 53.64 303.5 30.4 5634.20 1356.06 1623.7t -392.97 1670.59 346.39 6.04 MWD 6-axis 25 6223,38 54.21 303,0 31,5 5652,75 1381,31 1637,67 -414,26 1689,25 345,80 2,22 MWD 6-axis 26 6253,44 55.26 301.8 30.0 5670.07 1405.55 1650.79 -434.94 1707.13 345.24 4.79 MWD 6-axis 27 6284.79 56.84 300.9 31.4 5687.60 1431.25 1664.34 -457.19 1725.99 344.64 5.57 MWD 6-axis 28 6316.11 58.57 300.0 31.3 5704.33 1 457.29 1677.75 -480.00 1745.06 344.03 6.04 MWD 6-axis 29 6348.25 60.30 299.3 32.2 5720.70 1484.50 1691.46 -504.09 1764.98 343.40 5.69 MWD 6-axis 30 6379.12 61.47 300.0 30.8 5735.69 1510.9t 1704.77 -527.47 1784.51 342.81 4.29 MWD 6-axis 31 6410.68 61.46 299.9 31.6 5750.78 1538.19 1718.63 -551.53 1804.96 342.21 0.28 MWD 6-axis 32 6502.81 62.95 300,6 92.1 5793.73 16t 8.32 1759.68 -621.90 1866.34 340.54 1.75 MWD 6-axis 33 6576.80 63.06 302.8 74.0 5827.32 1663.45 1794.32 -678.00 1918.t 5 339.30 2.65 MWD 6-axis 34 6670.90 63.43 301.4 94.1 5869.68 1766.53 1838.97 -749.18 1985.72 337.83 1.39 MWD 6-axis 35 6765.50 63.73 301.4 94.6 5911.78 1850,15 1883.11 -821.49 2054.50 336.43 0.32 MWD 6-axis 36 6860.19 64.01 300.9 94.7 5953.48 1934.00 1927.09 -894.25 2124.47 335.11 0.56 MWD 6-axis 37 6954.86 64.21 300,4 94.7 5994.83 2017,90 1970,52 -967,55 2195,25 333,85 0,52 MWD 6-axis 38 7049,60 64,56 299,5 94.7 6035,77 2101,80 20t3,15 -1041,53 2266,62 332.64 0,93 . MWD 6-axis 39 7142.09 64.62 297.7 92.5 6075.47 2183.51 2053.15 -1114.89 2336.32 331.50 1.76 MWD 6-axis 40 7234.75 62.66 296.9 92.6 6116.58 2264.23 2091.20 -1188.61 2405.40 330.39 2.25 MWD 6-axis 41 7326.58 63.13 298.4 91.9 6158.46 2343.93 2129.17 -1261.07 2474.60 329.36 t.54 MWD 6-axis 42 7419.33 63.63 297.6 92.7 6199.99 2424.79 2168.07 -1334.24 2545.73 328.39 0.94 MWD 6-axis 43 7512.74 63.90 297.2 93.4 6241.28 2506.34 2206.63 -1408.62 2617.91 327.45 0.48 MWD 6-axis 44 7604.22 62.75 298.5 91.5 6282.36 2586.06 2244.82 -1480.91 2689.30 326.59 1.79 MWD 6-axis 45 7696.42 61.83 300.2 92.2 6325.23 2666.09 2284.82 -1552.06 2762,12 325.81 1.91 MWD 6-axis 46 7788.26 62.06 299.3 91.9 6368.46 2745.73 2325.08 -t622.47 2835.19 325.09 0.90 MWD 6-axis 47 7883.43 62.14 297.4 95.1 6412.96 2827.84 2364.97 -1696.43 2910.49 324.35 1.77 MWD 6-axis 48 7974.19 61.64 300.5 90.8 6455.75 2906.24 2403.72 -1766.50 2983.02 323,69 3.06 MWD 6-axis 49 8068.67 61.59 301.0 94.5 6500.67 2988.14 2446.23 -t837.95 3059.76 323.08 0.47 MWD 6-axis 50 8161.27 61.84 301.0 92.6 6544.55 3068.53 2488.23 -1907.85 3135.47 322.52 0.27 MWD 6-axis 51 8254.19 62.13 299.1 92.9 6588.19 3149.13 2529.29 -1978.84 321t.41 321.96 1.83 MWD 6-axis 52 8348.15 62.37 298.5 94.0 6631.96 3230.55 2569.37 -205t .74 3288.05 321.39 0.62 MWD 6-axis 53 8441.28 62.00 300.2 93.1 ' 6675.40 3311.29 2609.73 -2123.51 3364.51 320.87 1.66 MWD 6-axis 54 8534.79 62.03 301.5 93.5 6719.28 3392.64 2652.06 -2194.39 3442.21 320.39 1.23 MWD 6-axis 55 8625.73 62.57 303.9 90.9 6761.54 3472.34 2695.54 -2262.11 3518.96 320.00 2.41 MWD 6-axis 56 8721.96 62.82 301.7 96.3 6805.72 3557.10 2741.89 -2334.03 3600.79 319.59 2.05 MWD 6-axis 57 8817.45 63.08 300.9 95.4 6849.10 3640.93 2786.03 -2406.63 3681.55 319.18 0.80 MWD 6-axis 58 8908.88 63.26 300.0 91.5 6890.40 3721.29 2827.41 -2477.01 3758.97 318.78 0.90 MWD 6-axis 59 9001.38 63.36 299.2 92.5 6931.95 3802.40 2868.23 -2548.87 3837.12 318.37 0.78 MWD 6-axis 60 9092.47 63.53 298.5 91.1 6972.68 3882.16 2907.55 -2620.25 39t4.02 317.98 0.71 MWD 6-axis 61 9184.47 63.48 298.2 92.0 7013.72 3962.60 2946.65 -2692.71 3991.67 317.58 0.30 MWD 6-axis 62 9279.32 63.22 300.7 94.8 7056.25 4045.71 2988.30 -2766.48 4072,27 317.21 2.37 MWD 6-axis 63 9372.10 63.32 300.9 92.8 7097.99 4127.36 3030.74 -2837.67 4151.84 316.88 0.22 MWD 6-axis 64 9464.83 63.35 301;3 92.7 7139.59 4209.06 3073.53 -2908.61 4231.62 316.58 0.39 MWD 6-axis 65 9556.06 63.18 300.6 91.3 7180.66 4289.43 3115.46 -2978.54 4310.20 316.29 0.71 MWD 6-axis 66 9648.04 63.40 299.5 91.9- 7221.97 4370.11 3156.57 -3049.60 4389.07 315.99 1.10 MWD 6-axis 67 9739.34 63.93 299.7 91.3 7262.47 4450.42 3196.99 -3120.74 4467.63 315.69 0.61 MWD 6-axis 68 9832.85 64.36 298.2 93.6 7303.29 4532.89 3237.76 -3194.44 4548.36 315.39 1.51 MWD 6-axis 69 9926.89 64.65 298.1 94.0 7343.75 4615.73 3277.78 -3269.26 4629.46 315.07 0.32 MWD 6-axis 70 10021.10 64.15 300.0 94.2 7384.46 4698.93 3319.03 -3343.52 4711.16 314.79 1.89 MWD 6-axis 71 10113.19 63.21 301.3 92.1 7425.29 4780.22 3361.11 -3414.54 4791.25 314.55 1.63 MWD 6-axis 72 10205.49 61.98 300.9 92.3 7467.78 4861.03 3403.44 -3484.70 4870.98 314.32 1.39 MWD 6-axis 73 10299,01 61,65 301,4 93,5 7511,94 4942,31 3446,07 -3555,23 4951,26 314,11 0,59 MWD 6-axis Page 2 Schlumberger ANADRILL Survey Report Seq Measured Incl Azimuth Course TVD Vertical Displacement Total at Azm DLS Srvy Tool # Depth angle angle length depth section +N/S- +E/W- displacement (deg/ tool quality (fi) (degI (deg) (ft) Iff) (fi) (fi) (ft) (ft) (deg) 100f) type type 74 10393,37 61,85 299,7 94,4 7556,62 5024, t7 3488.33 -3626,84 5032,14 313,88 1,60 MWD 6-axis 75 10488.73 61,97 299,8 95.3 7601.50 5106,72 3530,05 -3699,83 5113,71 313,65 0,16 MWD 6-axis 76 10582,40 62,02 297,2 93,7 7645,50 5187.58 3569,52 -3772,52 5193,59 313,42 2,45 MWD 6-axis 77 10677,79 62,29 297,7 95,4 7690,06 5269,71 3608,40 -3847,38 5274.74 313,16 0.54 MWD 6-axis 78 10771,48 63,26 297,4 93,7 7732,92 5350,85 3646,94 -3921,25 5355,03 312,92 1,07 MWD 6-axis 79 10866.12 63.86 298.3 94.6 7775.05 5433.45 3686.51 -3996.14 5436.87 312.69 1.06 MWD 6-axis 80 10956.73 64.05 299.5 90.6 7814.83 5513.14 3725.85 -4067.40 5515.95 312.49 1.21 MWD 6-axis 81 11051.46 . 64.37 300.1 94.8 7856.07 5596.97 3768.27 -4141.47 5599.26 312.30 0.66 MWD 6-axis 82 11145.74 64.56 300.6 94.2 7896.68 5680.59 3811.22 -4214.82 5682.44 312.12 0.52 MWD 6-axis 83 11239.12 64.70 299.9 93.4 7936.70 5763.59 3853.73 -4287,72 5765.05 3t 1.95 0.69 MWD 6-axis 84 11333.52 65.00 300.7 94.4 7976.82 5847.65 3896.85 -4361.50 5848.77 311.78 0.83 MWD 6-axis 85 11427.10 65.00 299.5 93.6 8016.38 5931.04 3939.39 -4434.89 5931.86 311.6t 1.16 MWD 6-axis 86 11523.12 65,16 299.5 96.0 8056,83 6016,46 3982,26 -4510,66 6017,02 311,44 0,17 MWD 6-axis 87 11616,91 64,84 300,1 93,8 8096,47 6099.95 4024.51 -4584,43 6100,30 311,28 0,67 MWD 6-axis 88 11710,22 64,72 299,0 93.3 8136,22 6182,77 4066,13 -4657,86 6182,97 311,12 1,07 MWD 6-axis 89 11803,72 64.14 300,0 93.5 8176,58 6265,52 4107.66 -4731,27 6265,60 310,96 1,15 MWD 6-axis 90 11895,29 63,02 298,4 91,6 8217.34 6345,91 4147.69 -4802,87 6345,93 310,81 1,99 MWD 6-axis 91 11990,09 62,86 298.3 94,8 8260,47 6428,39 4187,78 -4877,17 6428,39 310.65 0,19 MWD 6-axis 92 12084.32 · 63,04 298,7 94.2 8303,30 6510,40 4227,81 -4950,89 6510,43 310,50 0,42 MWD 6-axis 93 12177,81 63,61 300,8 93,5 8345,28 6592,44 4269,27 -5023,42 6592,53 310,36 2,10 MWD 6-axis 94 12272.58 63,80 301,4 94,8 8387,28 6676,25 4313,17 -5096,20 6676,42 310,24 0,60 MWD 6-axis 95 12367,10 63,93 300,4 94,5 8428,91 6759,85 4356,73 -5168,99 6760,15 310,13 0,96 MWD 6-axis 96 12460,45 63,99 299,1 93,3 8469,87 6842,17 4398,33 -5241,77 6842,62 310,00 1,25 MWD 6-axis 97 12552.62 63,86 299,7 92,2 8510,39 6923,39 4438,98 -5313,92 6924,04 309,87 0,60 MWD 6-axis 98 12647,68 63,60 299,9 95,1 8552,46 7007,14 4481,36 -5387,92 7008,02 309,75 0,33 MWD 6-axis 99 12739.88 63,61 298,5 92,2 8593,47 7088,08 4521,65 -5460,01 7089,22 309,63 1,36 MWD 6-axis 100 12834,57 63,48 297.2 94,7 8635,66 7170,75 4561,26 -5534,97 7172,24 309,49 1,24 MWD 6-axis 101 12925.92 63.22 296.8 91.3 8676.62 7250.04 4598.31 -5607.68 7251.93 309.35 0.46 MWD 6-axis 102 13022.05 62.86 294.5 96.2 8720.23 7332.85 4635.42 -5684,97 7335.25 309.19 2.16 MWD 6-axis 103 13117.93 63.03 295.1 95.8 8763.81 7414.92 4671.21 -5762.41 7417.92 309.03 0.59 MWD 6-axis 104 13149.62 62.65 295.2 31.7 8778.28 7442.10 4683.19 -5787.94 7445.31 308.98 1.23 MWD 6-axis 105 13182.25 63.00 294.2 32.7 8793.21 7470.07 4695.35 -5814.37 7473.50 308.92 2.92 MWD 6-axis 106 13213.17 63.30 294.9 30.9 8807.17 7496.55 4706.80 -5839.45 7500.21 308.87 2.24 MWD 6-axis 107 13245,12 64,61 297,6 31.9 8821,18 7524,31 4719,48 -5865,15 7528,18 308,82 8,64 MWD 6-axis 108 13277,61 66,43 300.6 32,5 8834.65 7553,28 4733,87 -5890,98 7557,33 308,78 10, t0 MWD 6-axis 109 13308,99 68,39 304,2 31,4 8846,71 7581,96 4749,40 -5915,45 7586,13 308,76 12,29 MWD 6-,axis 110 13340,86 69,93 306,9 31,9 8858,06 7611,66 4766,74 -5939,70 76t5,90 308,75 9,27 MWD 6-axis 111 13373.48 71.12 309.4 32.6 8868.93 7642.36 4785.72 -5963.87 7646.63 308.75 8.10 MWD 6-axis 112 13404.99 72.33 311.4 31.5 8878.81 7672.27 4805.11 -5986.64 7676.52 308.75 7.15 MWD 6-axis 113 13437,10 73,57 314,3 32,1 8888,22 7702,93 4625,98 -5009,14 7707,13 308,77 9,46 MWD 6-axis 114 13468,86 74,11 316,0 31,8 8897,08 7733,38 4847,63 -6030,68 7737,46 308,79 5,41 MWD 6-axis 115 13500,78 75,41 317',8 31,9 8905,46 7763,97 4670.11 -6051,71 7767,95 308,83 6,80 MWD 6-axis 116 13532,48 76,83 319,6 31,7 8913,07 7794.44 4693,22 -6072,01 7798,27 308,86 7,10 MWD 6-axis 117 13564,81 78,44 320,9 32,3. 8919,98 7825,55 4917,46 -6092,19 7829,20 308,91 6,35 MWD 6-axis 118 13596,31 80,21 324,0 31,5 8925,82 7855,84 4942,02 -6tl 1,05 7859,29 308,96 11,18 MWD 6-axis 119 13628,14 81,23 325,6 31,8 8930,95 7886.27 4967,66 -6129,14 7889.49 309.02 5,91 MWD 6-axis 120 13660,11 81,54 329,8 32.0 8935,74 7916,52 4994,40 -6146,04 7919,46 309,10 13,01 MWD 6-axis 121 13692.17 81,46 330.3 32.1 8940,49 7946,46 5021,91 -6161,89 7949,12 309,18 1,56 MWD 6-axis 122 13724.31 81,40 330,2 32,1 8945,27 7976.37 5049,47 -6177,64 7978,74 309,26 0,36 MWD 6-axis 123 13756.60 81.40 331.3 32.3 8950.10 8006,36 5077,33 -6t93,24 8008,47 309,35 3,37 MWD 6-axis 124 13768,25 81,36 332,1 11,6 8951,84 8017,07 5087.43 -6198.68 8019,08 309,38 6,83 MWD 6-axis Page 3 Schlumberger ANADRILL Survey Report Seq Measured Incl Azimuth Course TVD Vertical Displacement Total at Azm DLS Srvy Tool # Depth angle angle length depth section +N/S- +E/W- displacement (deg/ tool quality (ft) (deg) (deg) (ft) (ft) (ft) (fi) (fi) (ft) (deg) 100f) type type 125 13798.86 81.40 332.7 30.7 8956.44 8045.26 5114.33 -6212.74 8047.02 309.46 1.94 MWD 6-axis 126 13828.97 83.20 333.2 30.1 8960.47 8072.86 5140.89 -6226.31 8074.39 309.55 6.20 MWD 6-axis 127 13860.97 85.65 332.9 32.0 8963.58 8102.30 5169.28 -6240.74 8103.60 309.64 7.71 MWD 6-axis 128 13893.12 87.75 331.4 32.1 8965.43 8132.12 5197.61 -6255.71 8133.21 309.72 8.04 MWD 6-axis 129 13924,31 89.10 333.9 31.2 8966.29 8161.04 5225.31 -6270.04 8161.94 309.81 9.t0 MWD 6-axis 130 13956.15 89.25 332.9 31.9 8966.75 8190.45 5253.83 -6284.32 8191.18 309.90 3.17 MWD 6-axis 13t 13987.88 89.25 331.1 31.7 8967.16 8219.98 5281.82 -6299.20 8220.56 309.98 5.68 MWD 6-axis 132 14019.87 .89.40 334.7 32.0 8967.54 8249.59 5310.30 -6313.77 8250.03 310.07 11.26 MWD 6-axis 133 14050.92 88.15 332.5 31.0 8968.20 8278.13 5338.06 -6327.55 8278.45 310.15 8.16 MWD 6-axis 134 14081.17 88.35 330.7 30.3 8969.13 8306.41 5364.70 -6341.96 8306.65 310.23 5.97 MWD 6-axis 135 14111.82 88.00 331.4 30.6 8970.10 8335.08 5391.46 -6356.76 8335.24 310.30 2.56 MWD 6-axis 136 14143.24 87.95 332.1 31.4 8971.21 8364.36 5419.10 -6371.61 8364.46 310.38 2.23 MWD 6-axis 137 14173,59 88.00 331.1 30.4 8972.29 8392.73 5445.83 -6386.06 8392.79 310.46 3.29 MWD 6-axis 138 14205,38 87.95 332.1 31,8 8973.41 8422.41 5473.78 -6401.18 8422.43 310.53 3.15 MWD 6-axis 139 14236.44 87.95 329.6 31.0 8974.52 8451.49 5500.84 -6416.27 8451.49 310.61 8.06 MWD 6-axis 140 14268.11 88.25 328.5 31.7 8975.57 8481.55 5528.01 -6432.56 8481.55 310.68 3.60 MVVD 6-axis 141 14298.47 88.00 330.3 30.4 8976.56 8510.32 5554.16 -6448.03 8510.33 310.74 5.97 MWD 6-axis 142 14329.91 88.40 330.0 31.4 8977.55 8539.91 5581.38 -6463.65 8539.94 310.81 1.59 MWD 6-axis 143 14361.09 .90.60 328.5 31.2 8977.82 8569.46 5608.19 -6479.60 8569.54 310.88 8.53 MWD 6-axis 144 14391.68 92.65 329.6 30.6 8976.96 8598.50 5634.42 -6495.33 8598.61 310.94 7.60 MWD 6-axis 145 14417.47 92.64 329.3 25.8 8975.76 8622.90 5656.62 -6508.43 8623.05 310.99 1.16 MWD 6-axis 146 14450.27 89.86 328.5 32.8 8975.05 8654.04 5684.69 -6525.37 8654.25 311.06 8.82 MWD 6-axis 147 14483.69 86.71 327.7 33.4 8976.05 8685.89 5713.03 -6543.01 8686.18 311.13 9.73 MWD 6-axis 148 14515.00 86.54 329.3 31.3 8977.89 8715.63 5739.67 -6559.33 8716.00 311.19 5.13 MWD 6-axis 149 14546.61 87.67 328.2 31.6 8979.49 8745.63 5766.65 -6575.70 8746.09 311.25 4.99 MVVD 6-axis 150 14578.90 87.81 327.4 32.3 8980.76 8776.47 5793.96 -6592.90 8777.04 311.31 2,51 MWD 6-axis 151 14610.75 87.46 327.3 31.9 8982.08 8807.00 5820.80 -66t0.10 8807.67 311.37 1,14 MVVD 6-axis 152 14642.75 87.33 328.5 31.9 8983.53 8837.44 5847.79 -6627.03 8838.22 311.43 3.78 MWD 6-axis 153 14672.89 87.22 326.7 30.2 8984.96 8866.29 5873.26 -6643.19 8867.20 311.46 5.96 MWD 6-axis 154 14703.71 87.53 327.4 30.8 8986.37 8895.81 5899.08 -6659.93 8896.84 311.53 2.48 MWD 6-axis 155 14734.88 89.18 327.0 31.2 8987.27 8925.70 5925.29 -6676.82 8926.87 3tl .59 5.44 MWD 6-axis 156 14766.17 90.17 327.8 31.3 8987.45 8955.68 5951.66 -6693.69 8956.99 311.64 4.07 MWD 6-axis 157 14798.33 90.07 324.8 32.1 8987.38 8986.58 5978.36 -6711.49 8988.05 311.69 9.35 MWD 6-axis 158 14629.13 90.00 324.7 30.8 8987.36 9016.46 6003.52 -6729.27 9018.05 311.74 0.40 MWD 6-axis 159 14860.83 89.90 325.4 31.7 8987.39 9047.16 6029.50 -6747.43 9048.90 311.78 2.23 MWD 6-axis 160 14891.46 89.83 327.3 30.7 8987.46 9076.72 6055.05 -6764.44 9078.62 311.83 6.19 MWD 6-axis 161 14923.27 89.35 328.1 31.8 8987.69 9107.12 6081.93 -6781.43 9109.21 311.89 2.93 MWD ~-axis 162 14954.90 88.25 324.9 31.6 8988.35 9137.51 6108,27 -6798.87 9139.78 311.94 10.71 MWD 6-axis 163 14985.95 87.74 324.6 31.1 8989.44 9167.65 6133.65 -6816.81 9170.09 311.98 1.90 MWD 6-axis 164 15017.34 86,98 321.6 31.3 8990.88 9198.18 6158,65 -6835.58 9200.77 312.02 9,88 MWD 6-axis 165 15049.01 86.05 321.4 31.7 8992.81 9229.26 6183.42 -6855.27 9231.98 312.05 3.00 MWD 6-axis 166 15079.83 85.88 322.8 30.8 8994.97 9259.37 6207.66 -6874.15 9262.23 312.08 4.57 MWD 6-axis 167 15110.12 85.85 323.1 30.3 8997.16 9288.90 6231.78 -6892.35 9291.91 312.12 0.99 MWD 6-axis 168 15140.95 85.75 323.5 30.8. 8999.41 9318.87 6256.41 -6910.71 9322.05 312.16 1.34 MWD 6-axis 169 15172.99 85.75 322.1 32,t 9001.79 9350.17 6281.91 -6930.07 9353.51 312.19 4.35 MWD 6-axis 170 15205.03 85.92 321.5 32.0 9004.12 9381.48 6306.99 -6949.80 9384.98 312.22 1.94 MWD 6-axis 171 15235.17 86.13 321.1 30.2 9006.21 9411.09 6330.50 -6968.64 9414.73 312.25 1.49 MWD 6-axis 172 15266.81 86.88 319.5 31.6 9008.14 9442.19 6354.77 -6988.79 9445.96 312.28 5.58 MWD 6-axis 173 15298.77 88.01 320.3 32.0 9009.56 9473.74 6379.22 -7009.38 9477.65 312.31 4.33 MWD 6-axis 174 15329.75 88.49 320.4 30,9 9010.51 9504.18 6403.00 -7029.08 9508.23 3t2.33 1.59 MWD 6-axis 175 15358.90 89,18 319.7 29.2 9011.10 9532.99 6425.38 -7047.83 9537.16 312.35 3.37 MWD 6-axis Page 4 Schlumberger ANADRILL Survey Report ISeq Measured # Depth (fi) Incl Azimuth Course TVD Vertical Displacement Total at Azm DLS Srvy Tool angle angle length depth section +N/S- +F/W- displacement (deg/ tool quality (deg) (deg/ (fi) (ft) (fi) (fi) (fi) (fi) (deg) 100t') type type 176 15389.47 91.92 177 15421.69 93.22 178 15453.37 94.32 179 15484.28 94.67 180 15515.51 94.80 319.7 322.9 323.6 324.7 325.2 30.6 9010.81 9563.20 6448.71 -7067.62 9567.50 312.38 8.95 MWD 6-axis 32.2 9009.36 9594.81 6473.81 -7087.73 9599.28 312.41 10.72 MWD 6-axis 31.7 9007.28 9625.68 6499.16 -7106.65 9630.35 312.44 4.11 MWD 6-axis 30.9 9004.86 9655.64 6524.13 -7124.70 9660.51 312.48 3.73 MWD 6-axis 31.2 9002.28 9685.77 6549.58 -7142.55 9690.88 312.52 1.65 MWD 6-axis 181 15545.24 94.67 182 15577.13 94.25 183 15608.00 94.22 184 15638.95 92.64 185 15669,89 92,61 323.8 322.3 322.5 323.1 325.5 29.7 8999.83 9714.51 6573.68 -7159.74 9719.83 312.56 4.72 31.9 8997.35 9745.57 6599.09 -7178.86 9751.10 312.59 4.87 30.9 8995.07 9775.74 6623.51 -7197.66 9781.47 312.62 0.65 30.9 8993.22 9805.89 6648.07 -7216.31 9811.83 312.65 5.47 31.0 8991.80 9835.98 6573.22 -7234.38 9842.16 312.69 7.73 MWD 6-axis MWD 6-axis MWD 6-axis MWD 6-axis MWD 6-axis 186 15700.64 92.26 187 15732.20 93.19 188 15764.02 94.05 189 15795.25 94.05 190 15826.79 93.88 324.1 326.4 324.1 324.5 325.3 30.7 8990.49 9865.73 6698.28 -7252.08 9872.15 312.73 4.70 31.6 8988.99 9896.27 6724.22 -7270.05 9902.96 312.77 7.84 31.8 8986.98 9926.98 6750.29 -7288.13 9933.95 312.81 7.7t 31.2 8984.78 9957.23 6775.56 -7306.30 9964.45 312.84 1.28 31.6 8982.59 9987.78 6801.36 -7324.42 9995.28 312.88 2.58 MWD 6-axis MVVD 6-axis MVVD 6-axis MWD 6-axis MWD 6-axis 191 15857.73 94.50 192 15889.25 94.73 193 15920.54 94.60 194 15952.08 94.70 195 15982.03 94.70 323.7 325.1 323.5 324.0 323.7 30.9 8980.34 10017.70 6826.44 -7342.32 10025.47 312.91 5.54 31.5 8977.80 10048.20 6851.97 -7360.59 10056.24 312.95 4.49 31.3 8975.26 10078.52 6877.31 -7378.80 10086.82 312.99 5.11 31.6 8972.70 10109.19 6902.71 -7397.42 10117.77 313.02 1.61 29.9 8970.25 10138.21 6926.77 -7415.00 10147.04 313.05 1.00 MVVD 6-a)ds MWD 6-axis MVVD 6-axis MWD 6-axis MVVD 6-axis 196 16013.97 94.91 197 16045.67 94.94 198 16074.70 94.98 199 16105.45 95.22 200 16135.72 95.25 323.6 324.4 323.1 322.2 324.1 32.0 8967.56 10169.28 6952.45 -74,33.90 10178.38 313.08 0.73 31.7 8964.84 10200.01 6978.00 -7452.46 10209.39 313.12 2.52 29.0 8962.33 10228.15 7001.30 -7469.55 10237.79 313.15 4.47 30.8 8959.60 10258.16 7025.69 -7488.16 10268.05 313.17 3.01 30.2 8956.84 10287.52 7049.75 -7506.19 10297.67 313.20 6.27 MWD 6-axis MWD 6-axis MWD 6-axis MVVD 6-axis MWD 6-axis 201 16167.33 92.23 202 16200.07 88.70 203 16231.85 88.42 204 16262.95 88.29 205 16294.75 87.91 325.5 325.8 325.9 325.7 327.0 31.6 8954.78 10318.09 7075.52 -7524.37 10328.55 313.24 10.53 MWD 6-axis 32.8 8954.51 10349.77 7102.59 -7542.87 10360.58 313.28 10.80 MWD 6-axis 31.7 8955.31 10380.35 7128.82 -7560.66 10391.52 313.32 0.94 MWD 6-axis 31.1 8956.20 10410.36 7154.53 -7578.14 10421.87 313.35 0.77 MWD 6-axis 31.9 8957.26 10441.05 7181.07 -7595.80 10452.94 313.39 4.24 MWD 6-axis 206 16326.35 87.46 207 16357.14 87.29 208 16387.45 89.21 209 16418.34 91.27 210 16450.34 91.30 328.1 326.1 327.5 326.6 324.9 31.6 8958.54 10471.27 7207.71 -7612.74 10483.56 313.43 3.76 30.7 8959.94 10500.68 7233.48 -7629.40 10513.36 313.47 6.53 30.4 8960.87 10529.87 7258.88 -7646.04 10542.92 313.51 7.82 30.8 8960.74 10559.41 7284.73 -7662,79 10572.87 313.55 7.30 32.0 8960.02 10590.30 7311.17 -7680.79 10604.14 313.59 5.31 MWD 6-axis MVVD 6-axis MWD 6-axis MWD 6-axis MVVD 6-axis 211 16481.67 90.96 212 16512.84 92.23 213 16542.82 91.51 214 16573.91 91.61 215 16605.45 91.78 326.2 327.9 324.6 324.8 328.1 31.4 8959.41 10620.64 7337.06 -7698.55 10634.85 313.62 4.28 MWD 6-axis 31.1 8958.54 10850.46 7363.14 -7715.48 10665.09 313.66 6.82 MWD 6-axis 30.0 8957.56 10679.34 7388.07 -7732.12 10694.35 313.70 11.25 MWD 6-axis 31.1 8956.71 10709.50 7413.44 -7750.08 10724.87 313.73 0.72 MWD ~axis 31.6 8955.78 10739.89 7439.76 -7767.53 10755.68 313.77 10.45 MWD 6-axis 216 16635.65 92.02 217 16666.88 91.99 218 16698.21 91.82 219 16729.39 90.24 220 16760.73 68.73 326.3 324.0 325.1 326.2 325.4 30.2 8954.78 10768.82 7465.13 -7783.88 10785.04 313.80 6.01 31.2 8953.69 10799.01 7490.72 -7801.70 10815.61 313,84 7.37 31.3 8952.65 10829.37 7516.20 -7819.84 10846.35 313.87 3.55 31.2- 8952.08 10859.51 7541.96 -7837.44 10876.89 313.90 6.17 31.3' 8952.37 10889.72 7567.84 -7855.04 10907.51 313.93 5.48 MWD 6-axis MWD 6-axis MWD 6-axis MWD 6-axis MWD 6-axis 221 16792.26 88.39 222 16823.34 88.08 223 16854.72 87.88 224 16885.80 87.63 225 16916.14 89,07 325.6 326.2 329.1 327.8 329.4 31.6 8953.16 10920.25 7593.88 -7872.93 10938.48 313.97 1.25 31.0 8954.12 10950.15 7619.53 -7890.30 10968.78 314.00 2.18 31.4 8955.22 10980.16 7646.04 -7907.09 10999.27 314.04 9.25 31.1 8956.44 11009.75 7672.52 -7923.35 11029.38 314.08 4.25 30.3 8957.31 11038.56 7698.37 -7939.13 11058.69 314.12 7.10 MVVD 6-axis MWD 6-axis MVVD 6-axis MVVD 6-axis MWD 6-axis Page 5 Schlumberger ANADRILL Survey Report Seq Measured Incl # Depth angle (fi) (deg) 226 16947.62 90.79 328.4 227 16979.46 92.50 331.0 228 17010.49 92.26 330.0 229 17042.64 94.18 328.8 230 17074.40 93.70 328.2 Azimuth Course TVD Vertical angle (deg) Displacement Total at Azm DLS length depth section +N/S- +ENV- displacement (deg/ (ft) (ft) (ft) (ft) (ft) (ft) (deg) 100f) 31.5 8957.35 11068.48 7725.34 -7955.40 11089.15 314.16 6.32 31.9 8956.44 11098.62 7752.87 -7971.49 11119.88 314.20 9.75 31.0 8955.15 11127.75 7779.83 -7986.74 t1149.61 314.25 3.3t 32.1 8953,35 11158.10 7807.41 -8003.05 11180.54 314.29 7.05 31.8 8951.16 11188.30 7834.46 -8019.63 11211.30 314.33 2.41 Srvy Tool tool quality type type MWD 6-axis MWD 6-axis MVVD 6-axis MWD 6-axis MWD 6-axis 231 17105.55 92.95 327.1 232 17135.44 92.74 330.8 233 17166.79 93.19 330.0 234 17198.60 - 95.84 330.6 235 17227.85 97.22 331.2 31.2 8949.35 11218.08 7860.78 -8036.29 11241.61 314.37 29.8 8947.87 11246.34 7886,27 -8051.64 11270.41 314.4t 31.4 8946.25 11275.85 7913,54 -8067.13 11300.56 314.45 31.8 8943.74 11305.71 7941,07 -8082.84 11331.06 314.49 29.3 8940.41 11333.02 7966,51 -8096.99 11358.98 314.53 4.26 MWD 6-axis 12.42 MWD 6-axis 2.92 MWD 6-axis 8.54 MWD. 6-axis 5.13 MWD 6-axis 236 17259.31 97.15 330.6 237 17292.32 95.84 328.1 238 17304.09 95.42 329.9 239 17361.00 95.42 329.9 31.4 8936.48 11362.25 7993,73 -8t 12.14 11388.88 314.58 1.91 MWD 6-axis 33.0 8932.75 11393.31 8021,93 -8128.86 11420.58 314.62 8.51 MWD 6-axis 11.8 8931.59 11404.45 8032 -8134.91 11431.96 314.64 t5.59 MWD 6-axis 56.9 8926.22 11457.93 8081 -8163.31 11486.61 314.71 0.00 Projceted - Page 6 TONY KNOWLE$, GOVERNOR 3001 PORCUPINE DRIVE ANCHORAGE, ALASKA 99501-3192 PHONE: (907) 279-1433 FAX: (907) 276-7542 September 18. 1997 Dan Stoltz Senior Drilling Engineer BP Exploration (AlaskaL [nc. ?OBox 196612 .Anchorage, Alaska 99519-6612 Re: Prudhoe Bav Unit R-I 9A BP Exploration t Aiaska). Inc. Permit No: 97-171 Sur. Loc.: 1982'NSL, 1645'EWL, Sec. 32, T12N, R13E, UM Btmhole Loc: 4834'NSL, 1679'WEL, Sec. 25, T12N, R12E, UM Dear Mr. Stoltz: Enclosed is the approved application for permit to redrill the above referenced welt. The permit to redrill 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. Blo~vout 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 belo~v the surface casing shoe must be given so that a representative of the Commission may witness the test. Notice may be given bv contacting the Commission petroleum field inspector on the North Slope pager at 659-3607. 7hyai2~;R OF'~THE- ~MISSION dj(enclosures cc: Department of Fish & Game. Habitat Section w/o encl. Department of Envinomment Conservation w/o encl. STATE OF ALASKA ALASI~ .)IL AND GAS CONSERVATION CO~IMISSION PERMIT TO DRILL 20 AAC 25.005 la. Type of work [] Drill [] Redrill lb. Type of well [] Exploratory I--I Stratigraphic Test [] Development Oil [] Re-Entry [] Deepen []Service [-I Development Gas I--ISingle Zone [] Multiple Zone 2. Name of Operator 5. Datum Elevation (DF or KB) 10. Field and Pool BP Exploration (Alaska) Inc. Plan KBE = 49.03' Prudhoe Bay Field / Prudhoe 3. Address 6. Property Designation Bay Pool P.O. Box 196612, Anchorage, Alaska 99519-6612 ADL 028257 4. Location of well at surface 17. Unit or Property Name 11. Type Bond (See 20 AAC 25.025) 1982' NSL, 1645' EWL, SEC. 32, T12N, R13E, UM Prudhoe Bay Unit At top of productive interval 8. Well Number Number 23100302630-277 1794' NSL, 4515' WEL, SEC. 30, T12N, R13E, UM R-19A At total depth 9. Approximate spud date Amount $200,000.00 4834' NSL, 1679' WEL, SEC. 25, T12N, R12E, UM 09/26/97 12. Distance to nearest property line113. Distance to nearest well 14. Number of acres in property 15. Proposed depth (MD and TVD) ADL 047448, 446'I No Close Approach 2560 17420' MD / 8949' TVD 16. To be completed for deviated wells 17. Anticipated pressure {see 20 AAC 25.035 (e) (2)} Kick Off Depth 5495' Maximum Hole Angle 92° Maximum surface 3300 psig, At total depth O'VD) 8800' / 4390 psig 18. Casing Program Specifications Setting Depth Size Top Bottom Quantity of Cement Hole Casing Weight Grade Coupling Length MD TVD MD TVD (include stage data) 8-1/2" 7" 26# L-80 BTC-Mod 8237' 5345' 5037' 13582' 8951' 163 sx Class 'G' 6" 4-1/2" 12.6# L-80 IBT-Mod 3988' 13432' 8925' 17420' 8949' Uncemented Slotted Liner 19. To be completed for Redrill, Re-entry, and Deepen Operations. Present well condition summary ,-. Total depth: measured 10365 feet Plugs (measured) .b 1997 true vertical 9455 feet Aiask~ ¢i_1 _& Gas Cons, ¢0_~";~ Effective depth: measured 9749 feet Junk (measured) Fill at 9749' (12/90) ,- ~¢~Or.~.l~~ ' ' a ·.¢"" -' true vertical 8873 feet Casing Length Size Cemented MD TVD Structural Conductor 110' 20"x30" 8 cu yds concrete 138' 138' Surface 2647' 13-3/8" 3486 cu ft Arctic Set II 2675 2675 Intermediate 9511' 9-5/8" 1255 cu ft Class 'G', 130 cu ft AS I 9539' 8677' Production Liner 1324' 7" 396 cuft Class 'G' 9040' - 10364' 8219' - 9454' Perforation depth' measured 9704' - 9754' - true vertical subsea 8783' - 8829' 20. Attachments [] Filing Fee [] Property Plat [] BOP Sketch [] Diverter Sketch [] Drilling Program [] Drilling Fluid Program []Time vs Depth Pict [] Refraction Analysis [] Seabed Report [] 20 AAC 25.050 Requirements Contact Engineer Name/Number: Mark Johnson, 564-5480 C. Michael Jackson, 564-5480 Prepared By Name/Number: Terrie Hubble, 564-4628 that the iSregoing~s t~ue .a.'~d~orrect to the best of my knowledge 21. I hereby certify Signed / ~~'~'~ ~,/ ;' DanSt°ltz ~--/;~f ,~%~ ,,- - Title Senior Drilling Engineer Date ~/~- , Commission Use Only ~N~ m.~b~ APl Number I A~rov~'D.t~ I See cover letter Permi r.Tt 50-029-20637-01 c~ ~lc~,-) for other requirements Conditions of Approval: Samples Required []Yes [~No Mud Log Required~ ~- []Yes E~o Hydrogen Sulfide Measures [~Yes [] No Directional Survey Required [~Yes [] No Required Working Pressure for DOPE []2M; []3M; )~[5M; [] 10M; [] 15M Other: by order of Date~. Approved By Commissioner the commission , Form 10-401 Rev. 12-01-85 Submit In Tr31icate [Well Name: [PBU R-19A Redrill Plan Summary I Type of Redrill (producer or injector): [Producer ISurface Location: Target Location: Bottom Hole Location: 1982' NSL 3636' WEL S32 T12N R13E UM 1794' NSL 4515' WEL S30 T12N R13E UM 4834' NSL 1679' WEL S25 T12N R12E UM I AFE Number: 14P0988 I Rig: I Nabors 18E I Estimated Start Date: 19/26/97 I Operating days to complete: 135 I MD: 117420' ITVD: I8949, I IKBE: I Well Design (conventional, slimhole, etc.): 149.03, I Horizontal Sidetrack IObjective: [ Target Sag River oil reserves with a horizontal wellbore Mud Program: Sidetrack Mud Properties: LSND I 8 1/2" hole section Density (ppg) Funnel vi~ I¥ida Point I 10 sec gel 10 rain gel 9.4-11.0 40-55I 3-10I 4-10 15-25 pH 8.5-9.5 Fluid Loss 6-10cc Production Mud Properties: Quickdril-n Density (ppg) Funnel vis I LSRV 8.6-9.0 50-65I >45,000 cP 16" hole section LSR YP pH 10-20 8.5-9.0 Directional: I Koe: 1 5495' MD I Maximum Hole Angle: 92° Close Approach Well: NONE ",,r'- v v Hole Size Csg/ Wt/Ft Grade Conn Length Top Btm Tbg O.D. MDfrVD MDfYVD 8.5" 7" 26# L-80 BTC-M 8237' 5345/5037 13582/8951 6" 4 1/2" 12.6# L-80 mr-M 3988' 13432/8925 17420/8949 Tubing 4 1/2" 12.6# L-80 mT-M 13432' 0/0 13432/8925 Cement Calculations: I Liner Size: 17" Basis:[ 30% open hole excess, 80' shoe joint. Calculate cement volume to bring top of cement to 1000' MD above Sag River using Total Cement Volume: 133 Bbl I 163 sxs of Class G Blend @ 1.14 ft3/sx (tail, 15.8 ppg) I Liner Size 14 1/2" Basis:I Slotted Liner (no ~ement) ' Total Cement Volume: Well Control: Well control equipment consisting of 5000 psi W.P. pipe rams, blind rams, and annular preventer will be installed and is capable of handling maximum potential surface pressures. Drilling Hazards/Contingencies · Gas cut mud has been observed at 6914' TVD SS (near Maluveach) and will be controlled with appropriate mud weights. In addition, tight hole conditions have been encountered in the Kingak shales at -7355 TVDSS. Mud weights as high as 11.0 ppg and the addition of shales stabilizers may be required. · R Pad is a H2S pad. The highest H2S level on R-19 was 344 ppm. Rig crews will be well notified and prepared for H2S. H2Sdrills will be conducted on a regular basis. · Losses have been encountered drilling the Sag River formations on other R-Pad wells. Pump LCM as necessary to control losses. Disposal · Cuttings Handling: Cuttings should be hauled to the ball mill at CC-2A. Fluid Handling: Haul all drilling and completion fluids and other Class 11 wastes to CC- 2A for injection. Haul all Class I wastes to Pad 3 for disposal. In addition, haul all cuttings from drilling operations to CC-2A for disposal, except any metal cuttings which will be sent to the North Slope Borough. ^lasl<a Oit & Cas Cons, SUMMARY REDRILL PROCEDURE: 1. Move in drilling rig. Well previously P&A'd with TOC at,,-9263' (planned). 2. Pull and lay down 5-1/2" tubing from jet cut at 5800' MD. 3. Set cast iron bridge plug at ,--5700'. Test casing to 3500 psi for 30 minutes. 4. Mill 45' window in 9 5/8" from 5495-5540' MD. Spot cement kickoff plug. 5. Kickoff with 8 1/2" bit/MWD/GR and' drill/build to 13582' MD (10' MD below TSAG) 6. Run and cement 7" liner. 7. Drill out with 6" bit/MWD/GR and TD Sag River section at ,--17420' MD. 8. Run 4 1/2" slotted liner. 9. Complete well with 4 1/2" L-80 IBT-mod tubing. Test. RDMO. MOJ 9/1/97 Anadr~ll SchLumberger Alaska District L[[I Bast 80th Avenue Anchorage, AK 99518 (907) 349-45L£ Fax 344-2160 DIRHCTIONAL ~ PLAN for S~A~D RHRVIC~S DRILLING well ......... : R-19A Field ........ : Prudhoe Bay, R-Fad Co~utatioa..: Minimum Curvature ~n£ts ........ : ~BHT Surface Lat..: 70,34905S73 N Surface Lou~., 148.90181499 ~egal Description Surface ...... , 1982 FRL 3636 FBi S32 TL2N R13H UM Tie-i~ Survey: 3136 FRL ~766 PHi S~2 TL2N R13H U~ Taz~et Star~.: 1794 FSL 45~ FH~ S30 T£2N R~3H UM Target Mid...~ ~0~5 FSi 4~9 FHh ~2~ T12N R12H ~ BN~ / TGT ~d: 4834 FgL 1679 PHi ~2S T~2~ R~2H ~ ~ocATIoN$ - A/d%SKA Zone~ X-Coord Y.Coord 635267.00 635111..55 59796£4.9~ 62900U.00 5983445.00 62B~61.00 626930.00 5986450.00 Prepared .... '-: 19 Au9 L997 Vert sect az.: 31G.66 KB elevation.: 49.03 ~t Magnetic Dc~n: %28.282 ScaLe Factor.: 0.99992079 C0~v~z~jence..: +1.03423977 PROPOSED S?ATION ZDHNT~ffIC~T~ON EASE PHRMAFROST SV3 K-15 TOP DGNU TIH-IN SURVEY TOP OF W I NDOW TOP WEST SAK mmam~m=m mmmmmm mmmmBmmmm mmmmmn~3==:=:~;~= ==~mamn m~msmmtmmmmmmtmsmmmmu ~m~=:::~:=:::=:=~== u=nm mmmm M~ASURBD £N~LN D3RHCT~ON VBRTICAL-DHPTHS SECTION eOORD]NATBS.PROM ALAS~ Zone 4 TO0~ DL/ DHPTH ~C AZIMUTH TVD SUB-SEA D~PART WC~AD X Y FACH ~00 mtsmtmmm mmmmmm mmmmmmmmm mmmmmmmu ~=~==~== ~mm~{nmm tmmmmmmEm~.~,mmm~mmmmmm ~ms====:: ;::~==~=~m tmnm mmmm m L929,,03 £880~00 2~,79.03 ~730.00 3599.03 .3550.00 3649.03 $600.00 5400:55 36.65 0.20 5081.20 5032.17 654.42 ~£54,46 N 134.65 W 635~11.55 5979614.q5 $?.57 0.77 ~£~6.53 5£07.50 89~.16 12~1.4~ N 134.L~ W 6~5£~1.00 5979671.~2 20R 1.04 5500,00 ~?.'61 0.80 5[60,49 5£11.46 '893.14 ~2L4,49 N 1~4.~2 W 635£~0.99 S979674.~7 85L 1,04 5600,00 38.S0 351,16 .5239,30 5i90,27 936,4~ ~2~5,82 N 138,49 W 635L05,52 5979736,01 78L 6,00 5651.02 39,25 346,43 52q9,03 52~0,00 961~S9 130~,20 N 144,~1 W 635096,73 5979767,27 ?4L 6,00 5700,00 ~0,'~4 342.0~ 5316,73 5267,?0 987,64 1337,29 N 153-22 W 635099.68 S97979q,20 7~L 6.00 5800.00 42.43 333.64 5391.93 5342.90 [046.27 L398.23 N l~0.16 W 635063.65 5979857.68 64L 6.00 (Anadrtll (C)97 RLgAP4 3.ac 5:08 gM F) -O m R-19A (P49 :~mmmmmssmmmmmmsmmmm mtmmtmsm uaommu STAT[ON lP[HASURHD INCI_x~ IDENTIFICATION DHPTH ARGL~ 5900.00 45-29 6000.00 ~8.6L 6~00.00 52.29 ~OP ~I~/~B 6~0.~2 55.85 g]~'D 6/100C..mVl~ KIJPARUK SANDSTONE .TOP KINGAK TOD TaB. cu~v~ 6/~oo TOP SAG R£VHR 6200.0D 56.25 6300.00 60.45 6360.07 63.05 8927.82 63-05 8927.82 63.05 LL024.18 63.05 L2L~7.$3, 63.05 L3030.20 63.05 L3120.$4 63.05 13163.00 63.05 13200.00 64.46 L3300.00 68~44 13400.00 72.57 13500.00 76.79 13572.30 79. f~9 7" CSG PT ¢][~ 1358'2.30 80.32 13600.00 8L.09 13700.00 85.43 HND 6/100 CURVH 13769.24 88.46 TA~G~T START *~***** 13769.24 88.46 PROPOSED WHY.[, PROFILE ! D3 RHCT~ON VHRTZCAL- D~ PTHS AZ IFgJTH TVD S01~-SEA ~mmmmmmmm mmmmmmss mmmmtmmm 326-02 5464.07 5415.04 3L9.~7 5532.3? 5483.34 317.54 5549.03 5500.00 313.02 5596.08 5547.05 307.99 5649.03 5600.00 8ECTION DEPART 1111.66 1183.09 1202.~2 1259.?~ 1332.77 307.47 5654.49 5605-46 1340.88 302.42 5706.98 56~7.95 1425.51 299.60 5735.41 5686.38 1477.66 299.60 6899.03 6950.00 3?24.06 299.60 6899.03 6850.00 3?24.06 299.60 9849:03 7800.00 6558.06 299.60 8349.0) 8300.00 6523.32 299.60 8749.03 8700.00 7295.53 299.60 8799,03 8750.00 7392.06 299.60 8838.63 8769.60 7429.90 301.45 8834.64 8785.61 7461.96 306.34 8874.61 8825.58 7552.85 310,97 8907,99' 8858.96 7647.01 315.38 8934,42 8885.39 7743.3~ 3~8.48 8949,03 8900.00 7813.68 3~8.90 8950,75 8901.72 7823.43 3~9-65 8953,6L 8904.58 7840.70 323.82 8965,34 8916.3~ 7938.~ 316.67 8969.03 8920.00 8005.01 326.69 8969.03 8920.00 8005.01 19 AU9 [99? Pa~e 2 O00~D[NATHS-~ROM ALASKA Zone 4 T00~ NH~LRHAD X Y FA~ 100 14~.98 N 2~3.03 W 63~0~7.71 ~979916,78 ~9~ 6.00 1515.88 N 257.46 N 634982.24 5979973.86 54b 6.00 1530.23 ~ 270.22 ~ 634969,22 5979987.98 53L 6.00 157~.29 ~ 3~0.9~ ~ 63492~,96 ~980028.30 ~0L ~.00 16L8.65 N 366.51 ~ 634871,36 59800?4.64 1623.61 ~ 372.93 N 634864.86 5900079.49 47L 6.00 1672.27 ~ 442.70 ~ 634794,22 5900L26.08 44L 6.00 1699.51 N 488.0~ ~ 634748,~9 5980£~3.~9 HS 6.00 2830.07 ~ 2498.32 W 632738,20 ~98L247.65 HS 0.00 2830.07 N 2478.32 W 632~38,20 ~98L247.65 HS 0.00 3753.07 N 4103,22 W 63~097.04 5982L4L.10 HS 0.00 4238.86 N 4958,43 W 630233.2? 59826L~.34 H8 0.00 . 4627.50 R 5642.60 W 1629542.25 5982987.53 HS 0.00 4676.00 R 5728.12 N 629455.88 5983034.55 HS 0.00 4695.12 N .5761.65 W 629422.0£ 5983052.99 SOR 0.00 47LI.61 N .5789.61 4762.75 N 5865~63 4823.64 ~ 5939.18 4887,62 ~,,.60~9.~5 · 4939.34 N'" 6057.78 629393.75 5983068.97 629316.83 5983119.73 629242.24 5983176.2? 629170.79 5983240.97 62911[.54 5983291.8] 49R 6.00 47R 6.00 46R 6.00 4SR 6.00 44R 6.00 4946.74 N 6064,29 W 629114-90 5983299.09 44R 6,00 4959.98 N 609~.68 W 629103.27 $983312.~2 44R 6,00 S039.93 N 6137.14 W 629040.42 5983388.93 43R 6,00 5094.72 N 6176,55 W 629000.00 5983445.00 HS 6,00 5094.72 N 6~76,55 W 629000.00 5983445.00 HS 6,00 '0 TOP SHUBLIK 14512.78 88.46 CURVE 6/100 15256.t2 - 88.46 TARGET NID .tllt~w.. 15256.32 88.46 (Anadri21 (c)97 RL~APt 3.0C 5:08 PM P) , 326.67 8989.03 8940.00 8719.47 326.67 9009.03 8960.00 9433.92 326-67 9009,03 8960,00 9433.92 57L5.74 N 6584.94 ~ 628580.50 5984058.50 HS 0.00 6336.77 N 6993,33 W 628161.00 5984672.00. 6h 0,00 6336.77 N 6993,.I~-M C~IA1 ~fl ~qR4A?2.O0 6L 0,00 rtl STATZON £DE1TT3PICATfON ~ID 6/100 crave ?0~ ~A~ RIVER TOP ~ADLROCI{IT MHASU~HD DHFPH L5300.00 /5309.'4~ L~9.9~ X7419.91 I NChN ANOL~ 9X .06 9L .63 9t .63 9X.63 91.63 PROPOSED Wahl PROFILE DIRHC"TION 326.39 326.33 326,33 326.33 ~26.33 'V]~RT~CAh-DEPTHS SECTXO~ TVD BUB-$~J~ D~PA~T ~OOS,2i 8960.£8 94~.94 9008.99 9959.9~ 9485.02 8949.03 8900.00 1L5~6.25 8S49.03 8900,00 LLSL6.25 9949.03 8900.00 9074,03 9025.00 L9 Aug 1997 Page 3 COO~D£NATES-PP. OM ALASKA Zone 4 WHLhH~AD X Y m mm mm~mlmm ~oo~ FACE 6373.20 N 70L7.41 W 628136.26 5984707.99 6381.06 N 7022.64 W 628L30,89 5984715.75 8136.85 N 8192.33 ~ 626930.00 5986450.00 8136.85 ~ 8L92.~3 W 626930.00 5986450.00 8136.85 N 8L92.~3 W 626930.00 5986450.00 66 6.00 6.00 0.00 0.O0 0.00 ~J iii i i i1! ii i i / ' ___SH RED SERVICES OHILLIN ' ~ , ~mm~mmmmmm mm~mm m m ~ · , Section at'. 310.66 .4nadrJ/]SchJu~berger R-:].gA (P4) ' VERT.ICAL SECTION VI~ o '" ... ITVDsca]e.i ]~nch = 1600 feet .'~.' .. IDep Scale.: J inch: 1600 feet " Harken Identificalinn 140 BKB SECTN INCLI _, A) fIE-IN SURVEY 5401 ~Bt 854 36.6~ - ' ' ~ "' ' B) fOP OF WIDOW 54~ 5t57 89~ 37.5' ~r~ ~ 1~' C) END 6/]00 CURVE 6360 5735 ~478 63.0~ 30 O) CURVE 6/100 13~64 ~9 7430 63.0! . . · __' ...... .--. ..... . E) lOP SAG R]VER 13572 ~49 78~4 79.8! 's~3-~ ' ~.. F) 7' C% PT (il> 13582 8~J 7823 80.3; ' ...... '6) ENO 6/~00 6~VE ~3769 8~9 ~05 ~.4' O0 ~ .... HI 3&RCE~ STAR~ 'l~ 13769 B~9 ~05 ~ " ' ' . ..... [) CURVE 6/JO0 t5256 9009 9434 B8.4 ~~ ~=::: '',".,. "''';~:'' J] 1~6E1 HID ~*~ ~5~56 9009 9434 8~.4 ~~ ;__. = ..... ____ . . . . K) .E~ 6/&O0 :CuRvE ~5309 9009 94B5 9t.6 O0 ... ~ .. .. . ,, , ... _ ~ .'.:.., ........ . , ..... . · oo:,~ ~- ~,r~ .-.. ...... .. - ..,, ..... .. . .,...,.. :J .. · ,. ', '., . .~' ' , ' , .' ~ , ., ' ,,~, ,. , , . ~ '~ . , . , , , , , , ,, . ., . '"' '~ ._ ' -- m--. '', ' ',~, *~'- u,' """ '9-, ?, ' .... "" ~ , . "~~ .... _r ......... . . .- . . .... .· ,m~ mi__mm__ ~m lmm m mm . mm m mm $ m m . . . . :.. .......... ,., ........ ' ................ '_L .......,,' . ...... ~: ..... :- ................ ~ ............ ' ........................ "= ......................... _____' ................. .... ,,M, ~- ,,lllll · 'JUIII m e ~kll (¢197 i~t9,¥~4 3.0C 5: (]9PH P)' ' ,'.' , . 240D." 32004000 4800 5600' 6400 7200 uooo uuoo 9~00 tu4uo ' ' ' ' Sec't~on oePar[Ure ,' ' ' ' . ' "13 STATE OF ALASKA --. .... . ALASKA OIL AND GAS CONSERVATION COMMISSION APPLICATION FOR SUNDRY APPROVAL 1. Type of Request: ~ Abandon [] Suspend [] Plugging I--]Time Extension [-I Perforate [] Alter Casing [] Repair Well [] Pull Tubing [] Variance [] Other [] Change Approved Program [] Operation Shutdown [] Re-Enter Suspended Well [] Stimulate Plug Back for Sidetrack 2. NamEo/Operator BP Exploration (Alaska)Inc. 3. Address P.O. Box 196612, Anchorage, Alaska 99519-6612 4. Location of well at surface 1982' NSL, 1645' EWL, SEC. 32, T12N, R13E, UM At top of productive interval 196' SNL, 1333' EWL, SEC. 32, T12N, R13E, UM At effective depth 141' SNL, 1367' EWL, SEC. 32, T12N, R13E, UM At total depth 48' NSL, 1433' EWL, SEC. 29, T12N, R13E, UM 5. Type of well: (~ Development [] Exploratory I--] Stratigraphic E]Service . Datum Elevation (DF or KB) KBE -- 48.48 AMSL 7. Unit or Property Name Prudhoe Bay Unit 8. Well Number R-19 9. Permit Number 81-115 10. APl Number 50-029-20637 11. Field and Pool Prudhoe Bay Field / Prudhoe Bay Pool 12. Present well condition summary Total depth: measured 10365 feet true vertical 9455 feet Effective depth: measured 9749 feet true vertical 8873 feet Casing Length Size Structural Conductor 110' 20"x30" Surface 2647' 13-3/8" Intermediate 9511' 9-5/8" Production Liner 1324' 7" Plugs (measured) Junk (measured) Fill at 9749' (12/90) ; Cemented 8 cu yds concrete 3486 cu ft Arctic Set II 1255 cu ft Class 'G', 130 cuft AS I 396 cu ft Class 'G' MD TVD 138' 138' 2675 2675 9539' 8677' 9040'-10364' 8219'-9454' Perforation depth: measured 9704' - 9754' true vertical subsea 8783' - 8829' Tubing (size, grade, and measured depth) 5-1/2" L-80 to 8966' with 4-1/2" taiipipe to 9117' Packers and SSSV (type and measured depth) 9-5/8" DOT packer at 8966'; 5-1/2" SSSV at 2142' 13. Attachments [~ Description summary of proposal [-'1 Detailed operations program E] BOP sketch 14. Estimated date for commencing operation 15. Status of well classifications as: September 9, 1997 16. If proposal was verbally approved E] Oil [-'J Gas E~] Suspended Service Name of approver Date approved contact Engineer Name/Number: ymlt"~Johnson, 564-5480 C. Michael Jackson, 564-5480 Prepared By Name/Number: 17. I hereby certify that t~e fo/j~going ~s~tru~n/~,orre____.___ct to the best of mY knowledge Signed ,( J~ _//__/~ ' Dan Stoltz ../~.~./ f-~'(.,/~/'~~.~ Title Senior Drilling Engineer Commission Use Only Terrie Hubble, 564-4628 Date Conditions of Approval: Notify Commission so representative may witness Plug integrity __ BOP Test __ Location clearance __ Mechanical Integrity Test ~ Subsequent form required 10- I Approval No.. lApproved by order of the Commission Commissioner Date Form 10-403 Rev. 06/15/88 Submit In Triplicate VENDOR A .AS~Z. AST i 4 O( DATE INVOICE / CREDIT MEMO DESCRIPTION GROSS DISCOUNT NET 073!'97. C~073i97B i00. ~t_~.'D~' i00. O0 HANDLiNO INST' s/h te?~i~ hubblo × 46R8 A~ACHED CHECK IS IN PAYME~ FOR ~US DE~RIBED ABOVE. iEelfill ] ~ r..~.m~. ~ ~_ _ .~.. · WELL PERMIT CHECKLIST COMPANY ~"-~Y/'),~ WELL NAME PROGRAM: exp [] dev ,~redrl1,1~ serv [] wellbore seg r_j ann. disposal para req P. ADMINISTRATION INIT CLASS Z),,,, GEOL AREA UNIT#. II ~ $'"'0 ON/OFF SHORE ENGINEERING APPR D/~.TE ,( GEOLOGY 1. Permit fee attached ....................... ~ N 2. Lease number appropriate ................... (~ N 3. Unique well name and number .................. N 4. Well located in a defined pool ................. N 5. Well located proper distance from drilling unit boundary .... N 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 ................... 10. Operator has appropriate bond in force ............. .~ N 11. Permit can be issued without conservation order ........ ~ N 12. Permit can be issued without administrative approval ...... N 13. Can permit be approved before 15-day wait ........... N 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. Conductor string provided ................... Y N',~ Surface casing protects all known USDWs ........... Y N /~.. CMT vol adequate to circulate on conductor & surf csg ..... Y N CMT vol adequate to tie-in long string to surf csg ........ Y~y(~ CMT will cover all known productive horizons .......... Casing designs adequate for C, T, B & permafrost ....... Adequate tankage or reserve pit ................. If a re-drill, has a 10-403 for abandonment been approved... Y N Adequate wellbore separation proposed ............. 7., ---N-~/&J If diverter required, does it meet regulations .......... Drilling fluid program schematic & equip list adequate ..... (~)-.N BOPEs, do they meet regulation ................ (~ ~)N BOPE press rating appropriate; test to ,~-"'Cr-O1) psig. ( ) N Choke manifold complies w/APl RP-53 (May 84) ........ Work will occur without operation shutdown ........... ( ~, N Is presence of H2S gas probable ................. (,) N 30. Permit can be issued w/o hydrogen sulfide measures.. . . Y N 31. Data presented on potential overpressure z_~_0..t:~-~-~....' .' .-. Y N 32. Seismic analysis of shallow gas~.z,.~::~s~.. ........... Y N 33. Seabed conditio~ff-shore) ............. Y N 34. Contac one for we,eklypro~lress reDo, ds ....... Y N lexplora~ory only] REMARKS GEOLOGY: RPC ENGINEERING: JDH i?~-~ COMMISSION: Comments/Instructions: HOW/Ijt - A:\FORMS\cheklist rev 0'7/97 Well History File APPENDIX Information of detailed nature that is not particularly germane to the Well Permitting Process but is part of the history, file. To improve the readability of the Well History file and to simplify finding information, information of this. nature is accumulated at the end of the file under APPENDIX. , No special effort has been made to chronologically organize this category of information. * ALASKA COMPUTING CENTER * ....... SCHLUlV~ERGER ........ COMPANY NAME : BP EXPLORATION WELL NAME : R- 19A FIELD NAME : PRUDHOE BAY BOROUGH : NORTH SLOPE STATE : ALASKA API NUMBER : 50-029-20637-01 REFERENCE NO : 98038 LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 PAGE: **** REEL HEADER **** SERVICE NAME : EDIT DATE : 98/02/ 2 ORIGIN : FLIC REEL NAME : 98038 CONTINUATION # : PREVIOUS REEL : CO~94ENT : B.P. EXPLORATION, PRUDHOE BAY R-19A, API #50-029-20637-01 **** TAPE HEADER **** SERVICE NAME : EDIT DATE : 98/02/ 2 ORIGIN : FLIC TAPE NAME : 98038 CONTINUATION # : 1 PREVIOUS TAPE : COMMENT : B.P. EXPLORATION, PRUDHOE BAY R-19A, API #50-029-20637-01 TAPE HEADER PRUDHOE BAY MWD/MAD LOGS WELL NAME: API NUMBER: OPERATOR: LOGGING COMPANY: TAPE CREATION DATE: JOB DATA JOB NUMBER: LOGGING ENGINEER: OPERATOR WITNESS: SURFACE LOCATION SECTION: TOWNSHIP: RANGE: FNL: FSL: FEL: FWL: ELEVATION (FT FROM MSL O) KELLY BUSHING: DERRICK FLOOR: GROUND LEVEL: WELL CASING RECORD 1ST STRING 2NDSTRING R-19A 500292063701 BP EXPLORATION SCHLUMBERGER WELL SERVICES 2-FEB-98 BIT RUN 1 ......... 98038 BARNEY JACKSON BIT RUN 2 BIT RUN 3 .................. 32 12N 13E 49. O0 47.50 18.50 OPEN HOLE CASING DRILLERS BIT SIZE (IN) SIZE (IN) DEPTH (FT) 8.500 13.325 2694.0 6.000 9.625 5350.0 LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 3RD STRING PRODUCTION STRING 7. 000 13824.0 REMARKS: Well drilled 04-OCT through 25-0CT-97 with MWD GR, CDR, and IMPULSE. All data was collected in 7 bit runs. $ $ PAGE: **** FILE HEADER **** FILE NAME : EDIT .001 SERVICE · FLIC VERSION : O01CO1 DATE · 98/02/ 2 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : FILE HEADER FILE NUMBER: 1 EDITED MERGEDMWD Depth shifted and clipped curves; all bit runs merged. DEPTH INCREMENT: 0.5000 FILE SUb94ARY LDWG TOOL CODE START DEPTH STOP DEPTH MWD 6502.0 17361.0 $ BASELINE CURVE FOR SHIFTS: NONE CURVE SHIFT DATA (MEASURED DEPTH) BASELINE DEPTH .............. $ MERGED DATA SOURCE LDWG TOOL CODE $ REMARKS: .......... EQUIVALENT UNSHIFTED DEPTH .......... ....... BIT RUN NO. MERGE TOP MERGE BASE 1 6500.0 13187.0 2 13122.0 13824.0 3 13591.0 14489.0 4 14439.0 15384.0 5 15334.0 15463.0 6 15407.0 16162.0 7 16106.0 17361.0 No depth adjustments were made to this data as per D. Douglas. The MWD GR data was spliced in the field and interpolated at AK ICS. The P28H and A28H data includes the PSR and ATR respectively from run two LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 PAGE: that was spliced in to provide a continuous log. $ LIS FORMAT DATA ** DATA FORMAT SPECIFICATION RECORD ** * * SET TYPE - 64EB * * TYPE REPR CODE VALUE 1 66 0 2 66 0 3 73 56 4 66 255 5 66 6 73 7 65 8 68 O. 5 9 65 FT 11 66 18 12 68 13 66 0 14 65 FT 15 66 68 16 66 1 0 66 0 ** SET TYPE - CHAN ** NAME SERV UNIT SERVICE API API API API FILE NUMB NUM~ SIZE REPR PROCESS ID ORDER # LOG TYPE CLASS MOD NUMB SAMP ELEM CODE (HEX) DEPT FT O0 000 O0 0 1 1 1 4 68 0000000000 ROP MWD F/HR O0 000 O0 0 1 1 1 4 68 0000000000 FET MWD HR O0 000 O0 0 1 1 1 4 68 0000000000 GR MWD GAPI O0 000 O0 0 1 1 1 4 68 0000000000 RPXXMWD OHF~I O0 000 O0 0 1 1 1 4 68 0000000000 RPX MWD 0I~4~ O0 000 O0 0 1 1 1 4 68 0000000000 RPS MWD OH~4M O0 000 O0 0 1 1 1 4 68 0000000000 RPM MWD OHI~ O0 000 O0 0 1 1 1 4 68 0000000000 RPD MWD OPH4M O0 000 O0 0 1 1 1 4 68 0000000000 RAXXMWD OH~4M O0 000 O0 0 1 1 1 4 68 0000000000 RAX MWD OI{MM O0 000 O0 0 1 1 1 4 68 0000000000 RAS MWD OH~q O0 000 O0 0 1 1 1 4 68 0000000000 RAM MWD OH~4M O0 000 O0 0 1 1 1 4 68 0000000000 RAD MWD OH~ O0 000 O0 0 1 1 1 4 68 0000000000 LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 PAGE: ** DATA ** DEPT. 6502.000 ROP.MWD 52.080 FET.MWD -999.250 GR.MWD RPXX. MWD -999.250 RPX.MWD -999.250 RPS.MWD -999.250 RPM. MWD RPD.MWD -999.250 RAXX.MWD -999.250 RAX.MWD -999.250 RAS.MWD RAM. MWD -999.250 RAD.MWD -999.250 DEPT. 7000.000 ROP.MWD 300.780 FET.MWD -999.250 GR.MWD RPXX. MWD -999.250 RPX.MWD -999.250 RPS.MWD -999.250 RPM. MWD RPD.MWD -999.250 RAXX.MWD -999.250 RAX.MWD -999.250 RAS.MWD RAM. MWD -999.250 RAD.MWD -999.250 DEPT. 8000.000 ROP.MWD 80.710 FET.MWD -999.250 GR.MWD RPXX. MWD -999.250 RPX.MWD -999.250 RPS.MWD -999.250 RPM.MWD RPD.MWD -999.250 RAXX.MWD -999.250 RAX.MWD -999.250 RAS.MWD RAM. MWD -999.250 RAD.MWD -999.250 DEPT. 9000.000 ROP.MWD 146.860 FET.MWD -999.250 GR.MWD RPXX. MWD -999.250 RPX.MWD -999.250 RPS.MWD -999.250 RPM. MWD RPD.MWD -999.250 RAXX.MWD -999.250 RAX.MWD -999.250 RAS.MWD RAM. MWD -999.250 RAD.MWD -999.250 DEPT. 10000.000 ROP.MWD 123.610 FET.MWD -999.250 GR.MWD RPXX. MWD -999.250 RPX.MWD -999.250 RPS.MWD -999.250 RPM. MWD RPD.MWD -999.250 RAXX.MWD -999.250 ~.MWD -999.250 RAS.MWD RAM. MWD -999.250 RAD.MWD -999.250 DEPT. 11000.000 ROP.MWD 118.760 FET.MWD -999.250 GR.MWD RPXX. MWD -999.250 RPX.MWD -999.250 RPS.MWD -999.250 RPM. MWD RPD.MWD -999.250 RAXX.MWD -999.250 RAX.MWD -999.250 RAS.MWD RAM. MWD -999.250 RAD.MWD -999.250 DEPT. 12000.000 ROP.MWD 78.970 FET.MWD -999.250 GR.MWD RPXX. MWD -999.250 RPX.MWD -999.250 RPS.MWD -999.250 RPM. MWD RPD.MWD -999.250 RAXX.MWD -999.250 RAX.MWD -999.250 RAS.MWD RAM. MWD -999.250 RAD.MWD -999.250 DEPT. 13000.000 ROP.MWD 120.790 FET.MWD -999.250 GR.MWD RPXX. MWD -999.250 RPX.MWD -999.250 RPS.MWD -999.250 RPM. MWD RPD.MWD -999.250 RAXX.MWD -999.250 RAX.MWD -999.250 RAS.MWD RAM. MWD -999.250 RAD.MWD -999.250 DEPT. 14000.000 ROP.MWD RPXX. MWD 5.893 RPX.MWD RPD.MWD 8.056 RAXX.MWD RAM. MWD 8.055 RAD.MWD DEPT. 15000.000 ROP.MWD RPXX. MWD 7.771 RPX.MWD RPD.MWD 8.898 RAXX.MWD RAM. MWD 7.858 RAD.MWD 94.740 FET.MWD 7.055 RPS.MWD 8.109 RAX.MWD 8.039 98.360 FET.MWD 8.400 RPS.MWD 7.634 RAX.MWD 7.881 1.400 7.822 7.896 1. 039 8. 763 7. 544 GR. MWD RPM. MWD RAS.MWD GR.MWD RPM. MWD RAS.MWD 70.930 -999.250 -999.250 96.940 -999.250 -999.250 104.250 -999.250 -999.250 157.345 -999.250 -999.250 99.370 -999.250 -999.250 109.720 -999.250 -999.250 118.760 -999.250 -999.250 105.020 -999.250 -999.250 47.400 8.024 7.967 62. 180 8. 863 7. 701 LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 PAGE: DEPT. 16000. 000 ROP.MWD RPXX. MWD 7. 632 RPX. MWD R P D . MWD 8. 801 RAXX . MWD RAM. MWD 8. 707 RAD . MWD DEPT. 17000.000 ROP.MWD RPX~Y.MWD 5.327 RPX.MWD RPD.MWD 6.020 RA3Qf. MWD RA~I.~ 5.942 RAi~.MWD 73.770 FET.MWD 8.431 RPS.MWD 7.612 RAX.MWD 8.710 73.770 FET.MWD 5.495 RPS.MWD 6.135 RAX.MWD 5.969 1.200 8. 871 8. 272 1.658 5.660 5.970 GR .MWD RPM.MWD RAS. MWD GR. MWD RPM. MWD RAS.MWD DEPT. 17361.500 ROP.~fWD -999.250 FET.MWD -999.250 GR.MWD RPXX.MWD -999.250 RPX.MWD -999.250 RPS.MWD -999.250 RPM. MWD RPD.MWD 22.962 RA32X.MWD -999.250 RAX.MArD -999.250 RAS.MWD RAM.MWD -999.250 RAD.MWD -999.250 47.400 -999.250 8.596 52.050 -999.250 5.925 -999.250 -999.250 15.191 ** END OF DATA ** **** FILE TRAILER **** FILE NAME : EDIT .001 SERVICE · FLIC VERSION · O01CO1 mATE · 98/02/ 2 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : **** FILE HEADER **** FILE NAME : EDIT .002 SERVICE · FLIC VERSION · O01CO1 DATE : 98/02/ 2 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : FILE HEADER FILE NUMBER 2 RAW MWD Curves and log header data for each bit run in separate files. BIT RUN NUMBER: 1 DEPTH INCREMENT: O. 5000 FILE SUM~iARY VENDOR TOOL CODE START DEPTH STOP DEPTH MWD 6500.0 13187.0 $ LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 PAGE: 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 ......................... GR GAM~A RAY 25-0CT-97 8X5 - 538 REAL- TIME 17361.0 6500.0 17361.0 90 37.0 63.0 TOOL NUMBER ........... BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): DRILLERS CASING DEPTH (FT) : BOREHOLE CONDITIONS MUD TYPE: MUD DENSITY (LB/G): MUD VISCOSITY (S) : MUD PH: MUD CHLORIDES (PPM) : FLUID LOSS (C3): RESISTIVITY (OtH~4) AT TEMPERATURE (DEGF) MUD AT MEASURED TEMPERATURE (MT): MUD AT MAX CIRCULATIONG TEMPERATURE MUD FILTRATE AT (MT): MUD CAKE AT (MT): NEUTRON TOOL MATRIX: MATRIX DENSITY: HOLE CORRECTION (IN): TOOL STANDOFF (IN): EWR FREQUENCY (HZ): REMARKS: MWD GR RECORDED FROM 6500' TO 13187' CDR RUN FROM 13122' TO 13794' IMPULSE RUN FROM 13591' TO TD $ LIS FORMAT DATA 8.500 2694.0 QUIKDRIL 8.90 67.0 0.130 70.0 LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 PAGE: ** DATA FORMAT SPECIFICATION RECORD ** * * SET TYPE - 64EB * * TYPE REPR CODE VALUE .............................. 1 66 0 2 66 0 3 73 12 4 66 255 5 66 6 73 7 65 8 68 0.5 9 65 FT 11 66 85 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 O0 000 O0 0 2 1 1 4 68 0000000000 ROP5 MW1 F/HR O0 000 O0 0 2 1 1 4 68 0000000000 GR MW1 GAPI O0 000 O0 0 2 1 1 4 68 0000000000 ** DATA ** DEPT. 6502.000 ROPS.MW1 52.080 GR.MW1 70.930 DEPT. 7000.000 ROPS.MW1 300.780 GR.MW1 96.940 DEPT. 8000.000 ROPS.MW1 80.710 GR.MW1 104.250 DEPT. 9000.000 ROP5.MW1 146.860 GR.MW1 157.345 DEPT. 10000.000 ROPS.MW1 123.610 GR.MW1 99.370 DEPT. 11000.000 ROPS.MW1 118.760 GR.MW1 109.720 DEPT. 12000.000 ROP5.MW1 78.970 GR.MW1 118.760 LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 PAGE DEPT. 13000. 000 ROP5 .MW1 120. 790 GR.MW1 105. 020 DEPT. 13188. 000 ROPS.MW1 124. 680 GR.MW1 -999. 250 ** END OF DATA ** **** FILE TRAILER **** FILE NAME : EDIT .002 SERVICE · FLIC VERSION . O01CO1 DATE : 98/02/ 2 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : **** FILE HEADER **** FILE NAME : EDIT .003 SERVICE : FLIC VERSION · 0 O1 CO1 DATE · 98/02/ 2 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : FILE HEADER FILE NUMBER 3 RAW MWD Curves and log header data for each bit run in separate files. BIT RUN NUMBER: 2 DEPTH INCREMENT: O. 5000 FILE SUNfl~ARY VENDOR TOOL CODE START DEPTH MWD 13171.0 $ LOG HEADER DATA DATE LOGGED: SOFTWARE: SURFACE SOFTWARE VERSION: DOWNTtOLE 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) STOP DEPTH .......... 13823.0 25-0CT-97 8X5-538 MEMORY 17361.0 6500.0 17361.0 80 LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 PAGE: MINIMUM ANGLE: MAXIMUM ANGLE: TOOL STRING (TOP TO BOTTOM) VENDOR TOOL CODE TOOL TYPE CDR RESIST./GR $ BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): DRILLERS CASING DEPTH (FT) : BOREHOLE CONDITIONS MUD TYPE: MUD DENSITY (LB/G): MUD VISCOSITY (S) : MUD PH : MUD CHLORIDES (PPM): FLUID LOSS (C3): RESISTIVITY (OHmiC) AT TEMPERATURE (DEGF) : MUD AT MEASURED TEMPERATURE (MT): MUD AT MAX CIRCULATIONG TEMPERATURE : MUD FILTRATE AT (MT): MUD CAKE AT (MT): NEUTRON TOOL MATRIX: MATRIX DENSITY: HOLE CORRECTION (IN): TOOL STANDOFF (IN): EWR FREQUENCY (HZ): REMARKS: MWD GR RECORDED FROM 6500' TO 13187' CDR RUN FROM 13122' TO 13794' IMPULSE RUN FROM 13591' TO TD $ LIS FORMAT DATA 63.0 81.4 TOOL NUMBER ........... CDR 7027 8.500 2694.0 QUIKDRIL 8.90 67.0 0.130 70.0 20000 ** DATA FORMAT SPECIFICATION RECORD ** ** SET TYPE - 64EB ** TYPE REPR CODE VALUE 1 66 0 2 66 0 3 73 28 4 66 255 5 66 LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 PAGE: 10 TYPE REPR CODE VALUE 6 73 7 65 8 68 0.5 9 65 FT 11 66 36 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 ~ SIZE REPR PROCESS ID ORDER # LOG TYPE CLASS MOD NUMB SAMP ELEM CODE (HEX) DEPT FT O0 000 O0 0 3 1 1 4 68 0000000000 ROP$ LW3 F/HR O0 000 O0 0 3 1 1 4 68 0000000000 GR LW3 GAPI O0 000 O0 0 3 1 1 4 68 0000000000 PSR LW3 OH~I O0 000 O0 0 3 1 1 4 68 0000000000 ATR LW3 OIfi~M O0 000 O0 0 3 1 1 4 68 0000000000 TABR LW3 HR O0 000 O0 0 3 1 1 4 68 0000000000 TAB LW3 HR O0 000 O0 0 3 1 1 4 68 0000000000 ** DATA ** DEPT. 13171. 000 ROPS.LW3 -999.250 GR.LW3 132. 781 PSR.LW3 ATR. LW3 2. 329 TABR. LW3 O. 000 TAB. LW3 O. 000 DEPT. 13823. 500 ROPS.LW3 108. 431 GR.LW3 166. 027 PSR.LW3 ATR. LW3 9. 159 TABR. LW3 1 . 197 TAB. LW3 1 . 678 3. 801 10.247 ** END OF DATA ** **** FILE TRAILER **** FILE NAME : EDIT .003 SERVICE : FLIC VERSION : O01CO1 DATE : 98/02/ 2 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 PAGE: 11 **** FILE HEADER **** FILE NAME : EDIT . 004 SERVICE · FLIC VERSION : O01CO1 DATE : 98/02/ 2 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : FILE HEADER FILE NUMBER 4 RAW MWD Curves and log header data for each bit run in separate files. BIT RUN NUMBER: 3 DEPTH INCREMENT: 0.5000 FILE SUNk4ARY VENDOR TOOL CODE START DEPTH STOP DEPTH 13642.0 14451.0 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 IMP RESIST/GR $ BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): DRILLERS CASING DEPTH (FT) : BOREHOLE CONDITIONS MUD TYPE: MUD DENSITY (LB/G): MUD VISCOSITY (S): MUD PH: MUD CHLORIDES (PPM): 25-0CT-97 8X5-538 MEMORY 17361.0 6500.0 17361.0 50 81.4 92.7 TOOL NUMBER ........... IMPULSE 028 8.500 2694.0 QUINDRIL 8.90 67.0 LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 PAGE: 12 FLUID LOSS (C3): RESISTIVITY (OH~M) AT TEMPERATURE (DEGF) : MUD AT MEASURED TEMPERATURE (MT): MUD AT MAX CIRCULATIONG TEMPERATURE : MUD FILTRATE AT (MT): MUD CAKE AT (MT): NEUTRON TOOL MATRIX: MATRIX DENSITY: HOLE CORRECTION (IN): TOOL STANDOFF (IN): EWR FREQUENCY (HZ): REMARKS: MWD GR RECORDED FROM 6500' TO 13187' CDR RUN FROM 13122' TO 13794' IMPULSE RUN FROM 13591' TO TD $ LIS FORMAT DATA 0.130 20000 70.0 ** DATA FORMAT SPECIFICATION RECORD ** * * SET TYPE - 64EB ** TYPE REPR CODE VALUE I 66 0 2 66 0 3 73 60 4 66 255 $ 66 6 73 7 65 8 68 0.5 9 65 FT 11 66 17 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 3-FEB-1998 08:22 PAGE: 13 ** SET TYPE - CHAN ** NAME SERV UNIT SERVICE API API API API FILE NUMB ~ SIZE REPR PROCESS ID ORDER # LOG TYPE CLASS MOD NUMB SAMP ELEM CODE (HEX) O0 000 O0 0 4 1 1 4 68 0000000000 DEPT FT ROP5 LW4 F/HR O0 000 O0 0 4 1 1 4 68 0000000000 TAB LW4 HR O0 000 O0 0 4 1 1 4 68 0000000000 TABR LW4 HR O0 000 O0 0 4 1 1 4 68 0000000000 GR LW4 GAPI O0 000 O0 0 4 1 1 4 68 0000000000 PiOH LW4 OH~M O0 000 O0 0 4 1 1 4 68 0000000000 P16H LW4 Otff4~l O0 000 O0 0 4 1 1 4 68 0000000000 P22H LW4 OHMM O0 000 O0 0 4 1 1 4 68 0000000000 P28H LW4 OH~M O0 000 O0 0 4 1 1 4 68 0000000000 P34H LW4 OH~I O0 000 O0 0 4 1 1 4 68 0000000000 AIOH LW4 OIflV~ff O0 000 O0 0 4 1 1 4 68 0000000000 A16H LW4 OHT4~ O0 000 O0 0 4 1 1 4 68 0000000000 A22H LW4 OttMM O0 000 O0 0 4 1 1 4 68 0000000000 A28H LW4 Otflvk4 O0 000 O0 0 4 1 1 4 68 0000000000 A34H LW4 OH~M O0 000 O0 0 4 1 1 4 68 0000000000 ** DATA ** DEPT. 13642. 000 ROPS.LW4 253.535 TAB.LW4 O. 000 TABR.LW4 GR.LW4 56. 635 PIOH. LW4 3. 723 P16H.LW4 3.994 P22H. LW4 P28H. LW4 17. 713 P34H.LW4 1000. 000 AIOH.LW4 O. 123 A16H. LW4 A22H.LW4 0.100 A28H. LW4 0.100 A34H. LW4 0.100 DEPT. 14000. 000 ROPS.LW4 94. 736 TAB.LW4 1. 400 TABR.LW4 GR. LW4 44 . 585 P1 OH. LW4 5. 893 Pl 6H. LW4 7. 055 P22H. LW4 P28H. LW4 8.024 P34H. LW4 8.056 AiOH. LW4 8.109 A16H. LW4 A22H. LW4 7. 967 A28H. LW4 8. 055 A34H. LW4 8. 039 DEPT. 14451. 000 ROPS. LW4 43. 063 TAB. LW4 2. 739 TABR. LW4 GR. LW4 422. 955 P1 OH. LW4 10. 2 64 Pl 6H. LW4 12. 291 P22H. LW4 P28H. LW4 15.262 P34H. LW4 16.503 AiOH.LW4 21.417 A16H. LW4 A22H. LW4 23.011 A28H. LW4 23.055 A34H.LW4 22.416 O. 000 4. 633 0.100 1.319 7. 822 7. 896 2.647 13.958 22.134 ** END OF DATA ** **** FILE TRAILER **** FILE NAME : EDIT .004 SERVICE : FLIC VERSION · O01CO1 DATE : 98/02/ 2 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 PAGE: 14 **** FILE HEADER **** FILE NAME : EDIT .005 SERVICE : FLIC VERSION : 0 O1 CO1 DATE : 98/02/ 2 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : FILE HEADER FILE AUJMBER 5 RAW MWD Curves and log header data for each bit run in separate files. BIT RUN NUMBER: 4 DEPTH INCREMENT: O. 5000 FILE SD?4MARY VENDOR TOOL CODE START DEPTH STOP DEPTH 13826.0 15384.0 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 IMP RESIST/GR $ BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): DRILLERS CASING DEPTH (FT) : BOREHOLE CONDITIONS MUD TYPE: MUD DENSITY (LB/G): MUD VISCOSITY (S): MUD PH: MUD CHLORIDES (PPM): 25-0CT-97 8X5-538 M2~4OR Y 17361.0 6500.0 17361.0 50 81.4 92.7 TOOL NUMBER ........... IMPULSE 028 8.500 2694.0 QUIKDRIL 8.90 67.0 LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 PAGE: 15 FLUID LOSS (C3): RESISTIVITY (OH~M) AT TEMPERATURE (DEGF) MUD AT MEASURED TEMPERATURE (MT): MUD AT MAX CIRCULATIONG TEMPERATURE MUD FILTRATE AT (MT): MUD CAKE AT (MT): NEUTRON TOOL MATRIX: MATRIX DENSITY: HOLE CORRECTION (IN): TOOL STANDOFF (IN): EWR FREQUENCY (HZ): REMARKS: MWD GR RECORDED FROM 6500' TO 13187' CDR RUN FROM 13122' TO 13794' IMPULSE RUN FROM 13591' TO TD $ LIS FORMAT DATA 0.130 20000 70.0 ** DATA FORMAT SPECIFICATION RECORD ** ** SET TYPE - 64EB ** TYPE REPR CODE VALUE .............................. 1 66 0 2 66 0 3 73 60 4 66 255 5 66 6 73 7 65 8 68 0.5 9 65 FT 11 66 17 12 68 13 66 0 14 65 FT 15 66 68 16 66 1 0 66 1 LIS Tape Verification Listing 3-FEB-1998 08:22 Schlumberger Alaska Computing Center PAGE: 16 ** 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 ELE~ CODE (HEX) DEPT FT O0 000 O0 0 5 1 1 4 68 0000000000 ROP5 LW5 F/HR O0 000 O0 0 5 1 1 4 68 0000000000 TAB LW5 HR O0 000 O0 0 5 1 1 4 68 0000000000 TABR LW5 HR O0 000 O0 0 5 1 1 4 68 0000000000 GR LW5 GAPI O0 000 O0 0 5 1 1 4 68 0000000000 PiOH LW5 OHT~ O0 000 O0 0 5 1 1 4 68 0000000000 P16H LW5 OH~ O0 000 O0 0 5 1 1 4 68 0000000000 P22H LW5 OH~ O0 000 O0 0 5 1 1 4 68 0000000000 P28H LW5 OH~M O0 000 O0 0 5 1 1 4 68 0000000000 P34H LW5 OH~q O0 000 O0 0 5 1 1 4 68 0000000000 AiOH LW5 OH~4 O0 000 O0 0 5 1 1 4 68 0000000000 A16H LW5 OH~M O0 000 O0 0 5 1 1 4 68 0000000000 A22H LW5 0H~94 O0 000 O0 0 5 1 1 4 68 0000000000 A28H LW5 0H~94 O0 000 O0 0 5 1 1 4 68 0000000000 A34H LW5 0H~94 O0 000 O0 0 5 1 1 4 68 0000000000 ** DATA ** DEPT. 13825. 500 ROP5.LW5 -999.250 TAB.LW5 O. 031 TABR.LW5 GR.LW5 67. 886 PiOH. LW5 3. 866 P16H.LW5 4. 973 P22H. LW5 P28H. LW5 7.136 P34H. LW5 7.892 AIOH. LW5 5.944 A16H. LW5 A22H. LW5 7. 722 A28H. LW5 8.128 A34H. LW5 8. 070 DEPT. 14000. 000 ROPS.LW5 11663. 078 TAB.LW5 O. 025 TABR.LW5 GR.LW5 144.545 PiOH. LW5 3.866 P16H.LW5 4.973 P22H. LW5 P28H. LW5 7.136 P34H. LW5 7.892 AiOH. LW5 5.944 A16H. LW5 A22H. LW5 7. 722 A28H. LW5 8. 128 A34H. LW5 8. 070 DEPT. 15000. 000 ROPS.LW5 98. 365 TAB.LW5 1 . 039 TABR.LW5 GR.LW5 61. 455 PiOH. LW5 7. 771 P16H. LW5 8. 400 P22H.LW5 P28H. LW5 8. 863 P34H. LW5 8. 898 AiOH. LW5 7. 634 A16H.LW5 A22H. LW5 7. 701 A28H. LW5 7. 858 A34H. LW5 7. 881 DEPT. 15385.000 ROP5.LW5 20.979 TAB.LW5 2.319 TABR.LW5 GR.LW5 42.175 PIOH.LW5 6.331 P16H. LW5 7.303 P22H.LW5 P28H. LW5 8.404 P34H.LW5 8.642 AiOH.LW5 7.275 A16H. LW5 A22H. LW5 7. 939 A28H. LW5 7. 960 A34H. LW5 7. 842 0.025 6.155 6.855 0.022 6.155 6.855 O. 956 8. 763 7. 544 2.147 8. 026 7. 699 ** END OF DATA ** · LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 PAGE: 17 **** FILE TRAILER **** FILE NAME : EDIT .005 SERVICE : FLIC VERSION : O01CO1 DATE : 98/02/ 2 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : **** FILE HEADER **** FILE NAME : EDIT .006 SERVICE : FLIC VERSION · O01CO1 DATE · 98/02/ 2 MA3fREC SIZE : 1024 FILE TYPE : LO LAST FILE : FILE HEADER FILE NUMBER 6 RAW MWD Curves and log header data for each bit run in separate files. BIT RUN NUMBER: 4 DEPTH INCREMENT: O. 5000 FILE SUMMARY VENDOR TOOL CODE START DEPTH STOP DEPTH ..................................... [~arD 15314. 0 15463.0 $ 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 IMP RESIST/GR $ 25-0CT-97 8X5-538 MEMORY 17361.0 6500.0 17361.0 50 81.4 92.7 TOOL NUMBER IMPULSE 028 LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 PAGE: 18 BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): DRILLERS CASING DEPTH (FT) : BOREHOLE CONDITIONS MUD TYPE: MUD DENSITY (LB/G): MUD VISCOSITY (S) : MUD PH: MUD CHLORIDES (PPM) : FLUID LOSS (C3): RESISTIVITY (OI~4M) AT TEMPERATURE (DEGF) : MUD AT MEASURED TEMPERATURE (MT): MUD AT MAX CIRCULATIONG TEMPERATURE : MUD FILTRATE AT (MT): MUD CAKE AT (MT): NEUTRON TOOL MATRIX: MATRIX DENSITY: HOLE CORRECTION (IN): TOOL STANDOFF (IN): EWR FREQUENCY (HZ): REMARKS: MWD GR RECORDED FROM 6500' TO 13187' CDR RUN FROM 13122' TO 13794' IMPULSE RUN FROM 13591 · TO TD $ LIS FORMAT DATA 8.500 2694.0 QUIKDRIL 8.90 67.0 0.130 20000 70.0 ** DATA FORMAT SPECIFICATION RECORD ** * * SET TYPE - 64EB * * TYPE REPR CODE VALUE 1 66 0 2 66 0 3 73 60 4 66 255 5 66 6 73 7 65 8 68 0.5 9 65 FT 11 66 17 12 68 13 66 0 14 65 FT 15 66 68 LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 PAGE: 19 TYPE REPR CODE VALUE 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 O0 000 O0 0 6 1 1 4 68 0000000000 ROP5 LW6 F/HR O0 000 O0 0 6 1 1 4 68 0000000000 TAB LW6 HR O0 000 O0 0 6 1 1 4 68 0000000000 TABR LW6 HR O0 000 O0 0 6 1 1 4 68 0000000000 GR LW6 GAPI O0 000 O0 0 6 1 1 4 68 0000000000 PIOH LW6 Otff4~ O0 000 O0 0 6 1 1 4 68 0000000000 P16H LW6 OHICk~ O0 000 O0 0 6 1 1 4 68 0000000000 P22H LW6 OHMM O0 000 O0 0 6 1 1 4 68 0000000000 P28H LW6 Otff4M O0 000 O0 0 6 1 1 4 68 0000000000 P34H LW6 Otff4~ O0 000 O0 0 6 1 1 4 68 0000000000 AiOH LW6 OH~4M O0 000 O0 0 6 1 1 4 68 0000000000 A16H LW6 OHIO4 O0 000 O0 0 6 1 1 4 68 0000000000 A22H LW6 OH~M O0 000 O0 0 6 1 1 4 68 0000000000 A28H LW6 OH~M O0 000 O0 0 6 1 1 4 68 0000000000 A34H LW6 OH~4 O0 000 O0 0 6 1 1 4 68 0000000000 ** DATA ** DEPT. 15314.000 ROPS.LW6 -999.250 TAB.LW6 0.000 TABR.LW6 GR.LW6 44.585 PiOH.LW6 3.757 P16H.LW6 4.468 P22H. LW6 P28H. LW6 5.839 P34H.LW6 6.456 AiOH. LW6 5.470 A16H. LW6 A22H.LW6 6.727 A28H. LW6 6.991 A34H.LW6 7.050 DEPT. 15463.500 ROPS.LW6 24.456 TAB.LW6 2.956 TABR.LW6 GR.LW6 53.981 PiOH.LW6 9.938 P16H.LW6 10.459 P22H. LW6 P28H. LW6 10.184 P34H.LW6 9.991 AiOH. LW6 8.842 A16H. LW6 A22H.LW6 8.945 A28H.LW6 8.920 A34H.LW6 8.801 0.000 5.195 6.217 2. 444 10. 470 8. 871 ** END OF DATA ** LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 PAGE: 2O **** FILE TRAILER **** FILE NAME : EDIT .006 SERVICE : FLIC VERSION · O01CO1 DATE . 98/02/ 2 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : * * * * FILE HEADER * * * * FILE NAME : EDIT .007 SERVICE · FLIC VERSION · O01CO1 DATE : 98/02/ 2 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : FILE HEADER FILE NUMBER 7 RAW MWD Curves and log header data for each bit run in separate files. BIT RUN NUMBER: 6 DEPTH INCREMENT: O . 5000 FILE SUMMARY VENDOR TOOL CODE START DEPTH STOP DEPTH MWD 15398.0 16161.0 $ 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 ......................... IMP RESIST/GR $ 25-0CT-97 8X5-538 MEMORY 17361.0 6500.0 17361.0 50 81.4 92.7 TOOL NUMBER ........... IMPULSE 028 LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 PAGE: 21 BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN): DRILLERS CASING DEPTH (FT) : 8.500 2694.0 BOREHOLE CONDITIONS MUD TYPE: QUIKDRIL MUD DENSITY (LB/G): 8.90 MUD VISCOSITY (S) : 67.0 MUD PH: MUD CHLORIDES (PPM) : FLUID LOSS (C3): RESISTIVITY (OPff4M) AT TEMPERATURE (DEGF) : MUD AT MEASURED TEMPERATURE (MT): 0.130 MUD AT MAX CIRCULATIONG TEMPERATURE : MUD FILTRATE AT (MT): MUD CAKE AT (MT): NEUTRON TOOL MATRIX: MATRIX DENSITY: HOLE CORRECTION (IN): TOOL STANDOFF (IN): EWR FREQUENCY (HZ): REMARKS: MWD GR RECORDED FROM 6500' TO 13187' CDR RUN FROM 13122' TO 13794' IMPULSE RUN FROM 13591' TO TD $ LIS FORMAT DATA 20000 70.0 ** DATA FORMAT SPECIFICATION RECORD ** * * SET TYPE - 64EB * * TYPE REPR CODE VALUE .............................. 1 66 0 2 66 0 3 73 60 4 66 255 5 66 6 73 7 65 8 68 0.5 9 65 FT 11 66 17 12 68 13 66 0 14 65 FT 15 66 68 LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 PAGE: 22 TYPE REPR CODE VALUE .............................. 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 O0 000 O0 0 7 1 1 4 68 0000000000 ROP5 LW7 F/HR O0 000 O0 0 7 1 1 4 68 0000000000 TAB LW7 HR O0 000 O0 0 7 1 1 4 68 0000000000 TABR LW7 HR O0 000 O0 0 7 1 1 4 68 0000000000 GR LW7 GAPI O0 000 O0 0 7 1 1 4 68 0000000000 PiOH LW7 OH~k4 O0 000 O0 0 7 1 1 4 68 0000000000 P16H LW7 0I~4~ O0 000 O0 0 7 1 1 4 68 0000000000 P22H LW7 OH~4~ O0 000 O0 0 7 1 1 4 68 0000000000 P28H LW7 OHM~ O0 000 O0 0 7 1 1 4 68 0000000000 P34H LW7 OH~M O0 000 O0 0 7 1 1 4 68 0000000000 AIOH LW7 OHNfl~ O0 000 O0 0 7 1 1 4 68 0000000000 A16H LW7 0I~4~ O0 000 O0 0 7 1 1 4 68 0000000000 A22H LW7 OH~fl~ O0 000 O0 0 7 1 1 4 68 0000000000 A28H LW7 OH~I O0 000 O0 0 7 1 1 4 68 0000000000 A34H LW7 OH~4~ O0 000 O0 0 7 1 1 4 68 0000000000 ** DATA ** DEPT. 15397.500 ROPS.LW7 -999.250 TAB.LW7 0.003 TABR.LW7 GR.LW7 49.405 PiOH. LW7 8.474 P16H. LW7 9.403 P22H. LW7 P28H. LW7 9.909 P34H.LW7 9.818 AIOH. LW7 9.099 A16H. LW7 A22H. LW7 8.750 A28H. LW7 8.782 A34H. LW7 8.733 DEPT. 16000. 000 ROPS.LW7 73. 771 TAB.LW7 1.200 TABR.LW7 GR.LW7 45. 790 PiOH.LW7 7. 632 P16H.LW7 8. 431 P22H. LW7 P28H. LW7 8. 894 P34H. LW7 8. 801 AiOH. LW7 7. 612 A16H.LW7 A22H. LW7 8. 596 A28H. LW7 8. 707 A34H. LW7 8.710 DEPT. 16161.500 ROPS.LW7 58.252 TAB.LW7 1.389 TABR.LW7 GR.LW7 95.195 PiOH.LW7 5.633 P16H.LW7 6.238 P22H. LW7 P28H. LW7 6.844 P34H.LW7 6.934 AiOH. LW7 6.620 A16H. LW7 A22H. LW7 6.710 A28H.LW7 6.837 A34H. LW7 6.898 0.000 9.893 8.757 1. 058 8. 871 8. 272 1.286 6. 663 6. 603 ** END OF DATA ** LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 PAGE: 23 **** FILE TRAILER **** FILE NAME : EDIT .007 SERVICE : FLIC VERSION : O01CO1 DATE : 98/02/ 2 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : **** FILE HEADER **** FILE NAME : EDIT .008 SERVICE · FLIC VERSION . O01CO1 DATE . 98/02/ 2 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : FILE HEADER FILE NUMBER 8 RAW MWD Curves and log header data for each bit run in separate files. BIT RUN NUMBER: 7 DEPTH INCREMENT: O. 5000 FILE SUN~4A~gY VENDOR TOOL CODE START DEPTH STOP DEPTH MWD 16096.0 17361 . 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 IMP RESIST/GR $ 25-0CT-97 8X5-538 MEMORY 17361.0 6500.0 17361.0 50 81.4 92.7 TOOL NUMBER ........... IMPULSE 028 LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 PAGE: 24 BOREHOLE AND CASING DATA OPEN HOLE BIT SIZE (IN) : DRILLERS CASING DEPTH (FT) : BOREHOLE CONDITIONS MUD TYPE: MUD DENSITY (LB/G): MUD VISCOSITY (S) : MUD PH: MUD CHLORIDES (PPM) : FLUID LOSS (C3): RESISTIVITY (OH~ff4) AT TEMPERATURE (DEGF) : MUD AT MEASURED TEMPERATURE (MT): MUD AT MAX CIRCULATIONG TEMPERATURE : MUD FILTRATE AT (MT): MUD CAKE AT (MT): NEUTRON TOOL MATRIX: MATRIX DENSITY: HOLE CORRECTION (IN): TOOL STANDOFF (IN): EWR FREQUENCY (HZ): REMARKS: MWD GR RECORDED FROM 6500' TO 13187' CDR RUN FROM 13122' TO 13794' IMPULSE RUN FROM 13591' TO TD $ LIS FORMAT DATA 8.500 2694.0 QUIKDRIL 8.90 67.0 0.130 20000 70.0 ** DATA FORMAT SPECIFICATION RECORD ** * * SET TYPE - 64EB * * TYPE REPR CODE VALUE 1 66 0 2 66 0 3 73 60 4 66 255 5 66 6 73 7 65 8 68 0.5 9 65 FT 11 66 17 12 68 13 66 0 14 65 FT 15 66 68 LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 PAGE: 25 TYPE REPR CODE VALUE 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 NTJM~ SAMP ELEM CODE (HEX) DEPT FT O0 000 O0 0 8 1 1 4 68 0000000000 ROP5 LW8 F/HR O0 000 O0 0 8 1 1 4 68 0000000000 TAB LW8 HR O0 000 O0 0 8 1 1 4 68 0000000000 TABR LW8 HR O0 000 O0 0 8 1 1 4 68 0000000000 GR LW8 GAPI O0 000 O0 0 8 1 1 4 68 0000000000 PiOH LW8 Otflv24 O0 000 O0 0 8 1 1 4 68 0000000000 P16H LW8 0P24~ O0 000 O0 0 8 1 1 4 68 0000000000 P22H LW8 0P24~ O0 000 O0 0 8 1 1 4 68 0000000000 P28H LW8 OHFk4 O0 000 O0 0 8 1 1 4 68 0000000000 P34H LW8 OH~R4 O0 000 O0 0 8 1 1 4 68 0000000000 AIOH LW8 OH~Hq O0 000 O0 0 8 1 1 4 68 0000000000 A16H LW8 OH~Rq O0 000 O0 0 8 1 1 4 68 0000000000 A22H LW8 0H~24 O0 000 O0 0 8 1 1 4 68 0000000000 A28H LW8 OH~R4 O0 000 O0 0 8 1 1 4 68 0000000000 A34H LW8 OH~4 O0 000 O0 0 8 1 1 4 68 0000000000 ** DATA ** DEPT. 16095.500 ROP5.LW8 61.467 TAB.LW8 0.006 TABR.LW8 GR.LW8 67.480 PiOH. LW8 4.964 P16H. LW8 5.521 P22H.LW8 P28H. LW8 6.295 P34H.LW8 6.565 AIOH. LW8 6.520 A16H.LW8 A22H. LW8 6.792 A28H. LW8 6.870 A34H. LW8 6.906 DEPT. 17000.000 ROP5.LW8 73.766 TAB.LW8 1.658 TABR.LW8 GR.LW8 50.610 PiOH.LW8 5.327 P16H. LW8 5.495 P22H. LW8 P28H. LW8 5.841 P34H.LW8 6.020 AiOH. LW8 6.135 A16H. LW8 A22H. LW8 5.925 A28H. LW8 5.942 A34H. LW8 5.969 DEPT. 17361. 500 ROPS. LW8 21. 609 TAB. LW8 2. 300 TABR. LW8 GR.LW8 45. 790 PiOH.LW8 25.532 P16H. LW8 23. 479 P22H. LW8 P28H.LW8 22.372 P34H. LW8 22.962 AIOH. LW8 16. 788 A16H. LW8 A22H. LW8 15.191 A28H.LW8 15.582 A34H. LW8 15.595 O. 000 5. 974 6. 675 1. 536 5. 660 5. 970 2.125 22.407 15.035 ** END OF DATA ** LIS Tape Verification Listing Schlumberger Alaska Computing Center 3-FEB-1998 08:22 PAGE: 26 **** FILE TRAILER **** FILE NAME : EDIT .008 SERVICE ' FLIC VERSION : O01CO1 DATE : 98/02/ 2 MAX REC SIZE : 1024 FILE TYPE : LO LAST FILE : **** TAPE TRAILER **** SERVICE NAME : EDIT DATE : 98/02/ 2 ORIGIN : FLIC TAPE NAME : 98038 CONTINUATION # : 1 PREVIOUS TAPE : CO~4ENT : B.P. EXPLORATION, PRUDHOE BAY R-19A, API #50-029-20637-01 **** REEL TRAILER **** SERVICE NAME : EDIT DATE : 98/02/ 2 ORIGIN : FLIC REEL NAME : 98038 CONTINUATION # : PREVIOUS REEL CO~IENT : B.P. EXPLORATION, PRUDHOE BAY R-19A, API #50-029-20637-01
