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Home My WebLink About195-003Pages NOT Scanned in this Well History File XHVZE This page identifies those items that were not scanned during the initial scanning project. They are available in the original file and viewable by direct inspection. /~ ~"'""' ~ ~ File Number of Well History File PAGES TO DELETE Complete RESCAN [] Color items - Pages: Grayscale, halftones, pictures, graphs, charts- Pages: Poor Quality Original- Pages: [] Other- Pages: DIGITAL DATA [] Diskettes, No. [] Other, No/Type OVERSIZED Logs of various kinds [] Other COMMENTS: Scanned by: ~Dianna Vincent Nathan Lowell Date: ¢~o~ Isl~-).~ [] TO RE-SCAN Notes: Re-Scanned by: Bevedy Dianna Vincent Nathan Lowell Date: Isl ,,"\ ./"""'\. ~1T~1TŒ (D)~ ~~~~æ~ AI,ASIiA OIL AND GAS CONSERVATION COMMISSION / May 12,2004 FRANK H. MURKOWSK/, GOVERNOR 333 W. -¡n< AVENUE. SUITE 100 ANCHORAGE. ALASKA 99501-3539 PHONE (907) 279-1433 FAX (907) 276-7542 Dwight Johnson Field Superintendent Unocal PO Box 196247 Anchorage, Alaska 99519 RE: No-Flow Verifications Well OP-50, PTD 195-003 Well OP-51, PTD 195-004 Dear Mr. Johnson: On May 3, 2004, AOOCC Petroleum Inspector Chuck Scheve witnessed "no flow tests" for Unocal's Granite Point State 18742 Wells 50 and 51 located on the Granite Point Platform. Each well was opened to atmosphere through flow measurement equipment with suitable range and accuracy after being shut in and monitored for several hours. There was no flow of gas or liquid to surface during the tests. Based on the results of these no-flow tests, the subsurface safety valves may be removed from service in Wells GP-50 and GP-51. Fail-safe automatic surface safety valve systems capable of preventing uncontrolled flow must be maintained in proper working condition in each of the wells as required in 20 AAC 25.265. The subsurface safety valve must be returned to service in any well that demonstrates an ability to flow unassisted to surface. Please retain a copy of this letter on the Granite Point platform. Sincerely, ~~ B'Reer.J James B. Regg 1 Petroleum Inspection upervisor cc: Bob Fleckenstein ( MEMORANDUM State of Alaska Alaska Oil and Gas Conservation Commission TO: Jim Regg ~;~,- ~\,z,( oÁ' P. I. Supervisor I~t DATE: May 3, 2004 FROM: Chuck Scheve, Petroleum Inspector SUBJECT: No Flow Granite Point Platform 50 195-003 51 195-004 Monday, May 3, 2004: I traveled to Unocal's Granite Point Platform and witnessed no- flow tests on wells 50 and 51. I arrived on location and found all both wells opened to atmosphere with no .flow of gás or fluid evident. Both wells were shut in and observed for several hours with a minimal pressure build up, <30 psi, observed. I recommend Wells 50 and 51 on the Granite Point Platform be approved no flow status for the purpose of removing the Sub Surface Safety Valve. SUMMARY: Wells 50 and 51 on the Granite Point Platform meet the AOGCC requirements for no flow status. Attachments: [Fwd: GPP/VVell #GP-50] Subject: [Fwd: GPP/Well #GP-50] Date: Sat, 09 Jun 2001 20:53:05 -0800 From: John Crisp <john_crisp@admin.state.ak. us> Organization: State of Alaska, Dept of Admin, AOGCC To: Tom Maunder <tom_maunder@admin.state.ak. us> CC: "Robed J. Fleckenstein" <bob_fleckenstein@admin.state.ak.us> Subject: GPP/Well #GP-50 Date: Fri, 8 Jun 2001 17:41:52 -0700 From: "Medley, Ted J" <medletj@unocal.com> To: '"John Crisp'" <john_crisp@admin.state.ak. us> CC: "Dimmick, Mike W~' <dimmick@Orion. Unocal.com>, "Cowan, Tim S" <cowants@Orion. Unocal.com>, "Tyler, Steve L. -Contract" <tylersl@Orion. Unocal.com> John, I am sending a fax of the well service repor~ detailing the work done by Pollard Wireline Service to restore the SSSV function in well GP-50. This work was done 06/04/01. Steve Whitaker with Pollard and myself witnessed several closures, equalizations and openings. The well was at 600 psi when the "flapper" was shut and was bled to 100 psi, then the choke and SSV was shut. No pressure increase was noticed in 3 cycles. They ran a tool provided by Baker Oil Tools that expands inside a groove and allows a sleeve that is normally spring activated to close the flapper, to be assisted by the pull of the wireline. This sleeve was apparently stuck or "gummed up" with paraffin or asphaltines. Once it moved to the closed position the hydraulic system re-opened it. This process was repeated several times and the well was bled down and shut in to assure that the flapper did not leak. We all feel the valve should be "exercised" more frequently than the 90 day interval prescribed for our other wells in the hope that this will inhibit the build-up of paraffin. We are also looking into a "soak" with a solvent such as Xylene once it's determined that there will be no damage to the elastomers or seals in the valve. Thanks again for your patience during the testing. Ted 1 of 1 6/11/01 7:13 AM 4:4~HM UHUCHL Date: Wireline C. ompany: Work Being Done: Present Operations: Supervisor: Wireline Unit Number: Zero Wireline at: UN~'-'AL ALASKA RESOUP~-~ES WELL SERVICE REPORT Minimum Tubing I_Di --Pollen Wlmline Ina. Exercise $SSV Complete Ted Medley · G_r'a_ nl_te P_oin_LU.nit Tubing Hang_er Well Number; Location: AFE#/Charge Code: Wireline Crew: Total Wlreline Miles: Max Depth (KB): Well KB: Max Tool OD: GP-50 Granite Point GPP-23-18 109' 2,39" , -- T~m,e ' _OD_oration Details ............ 0g:~0 ..... Arrive on Granite Po!.n..l: P. latf0rrrl, meet w/Foreman, discuss Job, hold safety meeting 10:00 _C..h.~..k equipment, test wire - 22 tums ..... 10:20 R/U '__-'- _1.~.L4_5 ....Pressure test Lub & 0OP's to 1500 # pSI ,-test~g;:~:~d ' ' ....... . .............. __1_3:0~, . . RIH w/2,29" GR to 450' KB, POOH, no problems ................ 13:30=_ .-=-- .RI.H. ,w/. 2.35" GR to 290' MD, no go on SSSV, POOH, no problems ... 14:00 _ RIH w/Etaker $$$v tool to 293' MD, pressure up Control line, pull 625 # bind, bl_ee.d. _c.o. ptr~_01_iine, ._ repeat above process several times, shea..r..o[f__ba_ker .S_SSV too!, POOH 14; 45 Closure t.e.s.t~ .t.e..st g,ood .... _ ...... - 15:30 R/D, stand-by for Chopper to_B__e~..ch ... ..~.~.c~--~__, ' -~_~-,'r~ ~, ~- /,~'4~/~ .... _ ...... RECEIVED JUN 0 ~ 200i ~oF~cc qo7-' ,z.7~- olq OR BBFO A0,3,3C ~llnd~i~v~i'dua] We'i'i 6 io,la'i~ca'i I,,iater"~ais ~nventoi. [.:, .,':,. T/', T DA'FA, ...... I.::'LUS R U N E, A T E ._[-;.: E C V !3 95 {303 ,:/'; D i'..!/ (:i Fi ,S ~ '10500 .... 12700 CC' !..,-' 10500 ..... 12700 Oa-//28/95 "'~ 8 ./95 95 .... () 03 [.3, I. i',i I ':i R ~ 4. 250 '- 9550 ,2,.. 9 ~'~: E' .., .... 003 [.. H I. E: ~/4. '250 -.- 9550 04-/' 28/95 .... 95 Oa/;~: 8/ 95 .--' 003 F ,n R H A-I~ l ,:;;,i".4 ..,k:"~-.~ I 00 .... I 2 '? 00 Oh./' 28/9.5 95 .... 003 ,::i l-~ ,'" ,:? A [ I F' E: /'r2'- 10500 ......i 2700 ~ A r" e d r'. y d 'i' t' :':.; I-~ s a m p 'i e s r" e q u ~' i-". e d 2 y e s i~ ci r' e c e '~f v e d '? i 04./' 28 .,/95 ye~ ~,,,/a s t: h 4:: w e I I c o r'- e d ? y e s n o A n a 'i y s ~' s ~ d e s c r' ¢[ p t "[ o n r' e c e ¢I' v e d 9 y e s I'~ o STATE OF ALASKA OIL AND GAS CONSERVATION C" "MISSION WELL COMPL_ 'iON OR RECOMPLETIO -. REPORT AND LOG c~..~~'.~, We, 1. Status of Well 2. Name of Operator UNION OIL COMPANY OF CALIFORNIA (UNOCAL) 3. Address P.O. BOX 196247 ANCHORAGE, AK 99519 4. Location of well at surface 735' FNL, 635' FEI., SEC. 12, T10N, R12W, SM At Top Producing intervaJ 2109' FSI., 1932' FWL, SEC. 7, T10N, RllW, SM @ 11065' MD At Total Depth 1317' FSL,-2eSe' FEI., SEC. 7, T10N, RllW, SM (~ 12781' MD 5. Elevation in feet (indicate KB, DF, etc.) 127' RKB ABOVE MSL ADL 18742. 7. Permit Numbe~ 06-03 6. APl Number 5O-733-20463 9. Unit or Lease Name ~' ", .... "~ i~, . elINumbe~ ~ '":'- ............. ":1 MIDDLE KENN 'C' SANDS I 17. Total Depth(MD+TVD) 18. Plug Back Depth (MD+TVD) j19. DirecttonalS~rvey f20. Dep~wheroSS~V~et 121. Thickrmaa of Pen'na~ost 12,781'MD/10544'TVD 12,732'MD/10527'TVD JYES ~ NO[3 I :' N/A feetMDJ N/A 22. Type Electric or Other Logs Run DIL./M LL/C N L/CDL/G R/SP 23. CASING, UNER AND CEMENTING RECORD CASING SIZE WT. PER FT. GRADE TOP ! Bo'rrOM HOLE 8171= CEMENTING RECORD 18-5/8" 97# X-56 69' 113,3' 24' 884 ax (1727 cf) 13-3/8" 68# K-55 69' 4254' 17-1/2' 218~ ax (4048 9- 5/8" 47# L-80 69' 11070' 12-1/4" 11;33 ax (1303 ~) 7" 29# L-80 10881' 12778' 8-1/Z' 75~ ax (869 cf) AMOUNT PULI_I~D 0 0 0 0 24. Perforations open to Production (MD+TVD of Top ar~ i~ttom and interval, size and number) MD TVD 11090'- 12680' 9858'- 10527' 32 gm 6 spf 25. TUBING RECORD SIZE I DEPTH SET {MD} J PACKER SET (MD) 3-1j2', 9.2#, L-80 0-10661' 2-7/8', 6.4#, L-80 10661'-11090' 3-1/2'~ 9.2#~ L-80 0-10661' 26. ACID, FRACTURE, CEMENT SQUF;:T;, ETC. DEPTH INTERVAL (MD) I AMOUNT & KIND OF MATERIAL USED NONE 27 Date First Production 3/28/95 Date of Test Hours Tested 03/29/95 . 6 I Flow Tubing I Casing Pressure Press. 100I 180 psi 28. PRODUCTION TEST IMethod of Ol:>e~Uon (Flow~g, ga~ U~ IPRODUCTION FOR OIL-BBL TEST PERIOD :.247 CALCULATED i OIL-BBL 24-HOUR RATE i 987 GAS-MCF 111 CORE DATA WATER-BBL 3 WATER- BBL 12 CHOKE SIZE 32/~4' GAS-OIL RATIO 449 OIL GRAVITY-APl (cot0 41 deg. APl Brief description of li~ology, porosity, fracturee, apparent (tips and preserme of oiJ, gas or water. Submit c,~r~ chip~. RECEIVED ,JUN 0 A!~ska Oil & Gas Cons. Commission Anchor: Form 10-407 rev. 7-1-80 CONTINUED ON REVERSE SIDE Submit in duplicate 29. NAME .. GEOLOGIC MARKERS ~ MEAS. DEPTH TRUE VERT. DEPTH FORMATION TESTS Ir~lude inten/al recited, pressure data, all fluida recovered and gravity, GOR, and time ol each phase. TM 17 coaJ Top GraJ3ite Pt Sands C'C- 1') Top C-5 Sand 5760' 9146' 9857' 31. LIST OF ATTACHMENTS 32. I hereby ~ertify that the foregoing~i t~-ue and co _r~ect to the beat of my knowledge Signed G, RUSSELL SCHMIDT Title DRILLING MANAGER Date 05/3O/95 INSTRUCTIONS General: This form is designed for submitting a complete and correct well completion report and log on all types of lands and leases in Alaska. Item 1: Classification of Service Wells: Gas injection, water injection, steam injection, air injection, salt water disposal, water supply for injection, observation, injection for in-situ combustion Item 5: Indicate which elevation is used as reference (where nototherwise 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 fer only the interval reported in item 27. Submit a separate form for each additional interval to be separately produced, showing the data pertinent to such interval. Item 21: Indicate whether from ground level (GL) or other elevation (DF, KB, etc.). Item 23: Attached supplemental records for this well should show the details of any multiple stage cement- ing and the location of the cementing tool. Item 27: Method of Operation: Flowing, Gas Lift, Rod Pump, Hydraulic Pump, Submersible, Water In- jection, Gas Injection, Shut-in, Other-explain. Item 28' If no cores taken, indicate "none". ANNA PLATFORM WELL# 50 GRANITE POINT (GP) COMPLETION COMPLETION 1) Dual 3-1/2" 9.2# L-80 SCBT 2) Kobe BHA ~ 10661' 3) 2-7/8" 6.4# L-gO SCBT 10661'-11090' 4) 4-5/8" TCP guns ~ 6 spfF/11090'-126g0' RKB = 127' L ao"~ c.i~@292' ~, 1~-5/~' 9'7#X.56QTE605~~(~ 1133' 13-3/8" 68# k-55 BTC Intermedia~ Casing I~14254' TOL ~., lO,881' 9-5/8' 47//L-80 BTC Produ~o~ Casing (~ 11070' / '/" 2~ L-~ BI~ Limr @ 127'/8' ANNA 50 DAY 1 (01/17/95) 30" @ 292' 9.3 PPG (FIW) SKID RIG TO SLOT #5, ANNA #50. NU RISER AND DRILLING NIPPLE. PICK UP LOWER HOUSING AND DRIFT RISER. CHECK MEASUREMENTS AND STANDBACK IN DERRICi~ TEST MUD LINES AND PICK UP BHA. RIH & WASH F/245'-284'. DRILL TO 327'. POH. RUN GYRO. RIH W/MOTOR & DRILL F/327'-530' DAY 2 (01/18/95) 30' @ 292' 9.4 PPG (FIW) DRILL F/530'-709'. POH. RIH W/CLEANOUT ASSBY & WORK ON BOTTOM. POH. RECOVERED SOME JUNI~ RIH W/MOTOR ASSBY. DRILL F/709'-1037'. PROBLEMS WITH SLIDING. DAY 3 (01/19/95) 30' @ 292' 18-5/8" ~_, 1146' 9.6 PPG OH TO 24" F/292' - 1146'. POOH. RUN & CMT 18-5/8" 97# X 56 CSG TO 1146'. DAY 4 (01/20/95) 30" @ 292' 18-5/8' @ 1133' 9.6 PPG CMT CSG, OK. CIP 0240 HRS. REL TOOLS & POOH W/INNER STRING. SECURE WELL & SKID R428 TO ANNA #51. DAY 5 (02/07/95) 30" ¢___. 292' 18-5/8" C 1133' 9.3 PPG SKID RIG TO ANNA #50 @ 16:00 HRS 2/7/95. CONDUCT RIG INSPECTION. NU & TEST BOP. RIH & TAG CMT @ 1070'. TEST CSG TO 2000 PSI, O1~ DAY 6 (02108/95) 30" ¢__, 292' 18-5/8" C 1133' 9.1 PPG CO CSG TO 1115'. RETEST CSG, O!~ DRILL 17-1/2" HOLE F/1150'- 1160'. CONDUCT LOT. EMW=22.4 PPG. DRILL F/1160'-1170', RUNNING ON JUNK. POH. RIH W/CLEAN OUT ASSBY. POH & RECOVERED JUNK. RIH W/ROTARY ASSBY AND DRILL Fl1170'- 1419'. DAY 7 (02/09/95) 30" @ 292' 18-5/8" C 1133' 10 PPG DRILL 17-1/2" HOLE F/1419'-3095'. 4266'/1171' DAY 8-10 (02/10-12/95) 30" @ 292' 18-5/8" @ 1133' 13-3/8" @ 4254' 10 PPG SHORT TRIP TO 18-5/8" SHOE. DRILL 17-1/2" HOLE F/3095'-4266'. CIRCULATE HOLE CLEAN. SHORT TRIP TO SHOE. POH. R&C 13- 3/8" CSG @ 4254' W/1805 SX CLASS "G" W/3% PREHYDRATED GEL + .4% CFR-3 @ 12.8 PPG FIB 500 SX CLASS "G" + .1% CFR-3 @ 15.8 PPG. CIP @ 0800 2/12/95. RUN & TEST PACKOFF. ND 20-3/4' BOP. NU & TEST "B' SECTION. PULL PUMP F/ANNA 3RD. NU 13-5/8" BOP. DAY 11 (02/13/95) 30" ¢__, 292' 18-5/8" @ 1133' 13-3/8" ¢__, 4254' 10 PPG NU & TEST 13-5/8" BOP. RIH W/MOTOR ASSBY. DRILL OUT FE & SHOE. DRILL 12-1/4' HOLE F/4266'-4280'. CONDUCT LOT; 19.52 PPG EMW. CCM. DAY 12 (02/14/95) 30" @ 292' 18-5/8" @ 1133' 13-3/8" @ 4254' 9.8 PPG CCM. DRILL 12-1/4" HOLE F14280'-5140' WHILE BUILDING ANGLE. DAY 13 (02/15/95) 30" @ 292' 18-5/8" @ 1133' 13-3/8" @ 4254' 9.7 PPG DRILL 12-1/4" HOLE F/5140'-5724' WHILE BUILDING ANGLE. DAY 14 (02/16/95) 30" @ 292' 18-5/8" @ 1133' 13-3/8" @ 4254' 9.8 PPG D.C. $ 60,023 CUM: $ 890,073 AFE #751200 DRILL 12-1/4" HOLE F/5724'-5730'. QUIT MAKING HOLE. TOH. CHANGE OUT MOTORS. RIH. DRILL 12-1/4" HOLE F/5730'-6100' DAY 15-18 (02/17-20/95) 30" @ 292' 18-5/8" @ 1133' 13-3/8" @ 4254' 9.8 PPG DRILL 12-1/4" HOLE F/6100'-6850'. TOH F/BIT. TIH W/ROTARY ASSBY. DRILL F/6850'-7124'. MWD FAILED. TOH. CHANGE OUT MWD. TIH W/ROTARYASSBY. DRILLED F/7124'-7390'. MWD FAILED. TOH. CHANGE OUT MWD. DRILLED F/7390'-7624'. DAY 19 (02/21/95) t . 30" @ 292' 18-5/8" @ 1133' 13-3/8" @ 4254' 9.7 PPG DRILL 12-1/4' HOLE F/7624'-8021'. DAY 20 (02/22~95) 30" @ 292' 18-5/8" @ 1133' 13-3/8" @ 4254' 9.6 PPG DRILL 12-1/4" HOLE F/8021'-8362'. POH F/BIT. 8754'/392' DAY 21 (02/23/95) 30" @ 292' 18-5/8" ¢__., 1133' 13-3/8" ¢__.. 4254' 9.5 PPG RIH W/ROTARY ASSBY. DRILL 12-1/4" HOLE F/8362'-8754'. 9702'~948' DAY 22-24 (02/24-26/95) 30" @ 292' 18-5/8' @ 1133' 13-3/8" @ 4254' 9.4 PPG DRILL 12-1/4" HOLE F/8754'-9497'. POH F/MOTOR. RIH W/MOTOR. DRILL 12-1/4" HOLE F/9497'-9702' TURNING HOLE LEFT. DAY 25 (02/27/95) 30" @ 292' 18-5/8" @ 1133' 13-3/8" @ 4254' 9.4 PPG DRILL 12-1/4" HOLE F/9702'-9970'. DAY 26 (02J28/95) 3O" @ 292' 18-5/8" @ 1133' 13-3/8" @ 4254' 9.4 PPG DRILL 12-1/4" HOLE F/9970'-10110'. TOH F/BIT. RIH W/ROTARY ASSBY. DAY 27 (03/01/95) 30" @ 292' 18-5/8" @ 1133' 13-3/8" @ 4254' 9.5 PPG FINISH TIH W/ROTARY ASSBY. REAM TO BOTTOM. LOST PUMP PRESSURE. TOH. BLANK CENTER JET. TIH & REAM TO BTM. DRILL 12-1/4" HOLE F/10110'-10345'. DAY 28 (03/02/95) 30" @ 292' 18-5/8" @ 1133' 13-3/8" @ 4254' 9.4 PPG DRILL 12-1/4" HOLE F/10345'-10712'. DAY 29-31 (03/03-05/95) 30" @ 292' 18-5/8" @ 1133' 13-3/8" @ 4254' 9.4 PPG DRILL 12-1/4" HOLE F/10712'-11100'. SHORT TRIP TO 13-3/8" SHOE. POH F/LOGS. RIH W/LOGS SET DOWN @ 6450'. POH & INSTALLED HOLE FINDER. RIH W/LOGS & SET DOWN @ 6450'. RAN MLL/GR F/6450'-4253'. RIH W/CLEANOUT ASSBY TO TD TO CONDITION HOLE. POH. DAY 32 (03/06/95) 30" @ 292' 18-5/8" @ 1133' 13-3/8" @ 4254' 9.8 PPG RIH W/LOGS. WORKED TO 9550'. RAN MLL/GR F/9550'-6450'. POH. LOST HOLE FINDER. RIH W/CLEAN OUT ASSBY. CCH. POH F/CSG. CHANGE RAMS. RIH WI9-518' CSG. DAY 33 (03/07/95) 30" @ 292' 18-5/8' @ 1133' 13-3/8' @ 4254' 9-5/8' @ 11,070' 9.8 PPG FINISH RIH W/9-5/8" CSG. CASING STUCK @ 11070'. CCH WHILE ATTEMPTING TO WORK CSG DEEPER. NO SUCCESS. CMT 9-5/8" CSG W/1133 SX. BUMP PLUG. PRESSURED TO 4500 PSI & WOULD NOT HOLD. FLOATS HELD. ND BOP. SET EMERGENCY SLIPS. INSTALL PACKOFF. NU & TEST BOP & PACKOFF. DAY 34 (03/08/95) 30" @ 292' 18-5/8' ~_, 1133' 13-3/8' @ 4254' 9-5/8' @ 11,070' 9.5 PPG RIH W/8-1/2" MOTOR ASSBY. TEST CSG TO 4500 PSI, OK. DRILL OUT FLOAT EQPT & SHOE. CLEAN OUT RATHOLE & DRILL 10' OF NEW HOLE. CONDUCT FIT, 16.5 PPG EMW. DRILL 8-1/2' HOLE F/11110'-11144', POH. RIH W/MOTOR ASSBY. DAY 35 (03/09/95) 30" @ 292' 18-5/8' @ 1133' 13-3/8" @ 4254' 9-5/8' @ 11,070' 9.3 PPG FINISH RIH W/MOTOR ASSBY. DRILL 8-1/2" HOLE E/11144'-11509'. DAY 36-38 (03/10-12/95) 30" @ 292' 18-5~8" @ 1133' 13-3/8" @ 4254' 9-5~8" @ 11,070' 9.2 PPG DRILL 8-1/2" HOLE F/11509'-11546'. POH. CHECK F/FLOW @ 6513', NO FLOW. CONT. POH. RIH W/MOTORASSBY. DRILL 8-1/2" HOLE F/11546'-11651'. SLIDING VERY DIFFICULT. POH. RIH W/MOTOR ASSBY. DRILL 8-1/2" HOLE F/11651'-12102'. POH. RIH W/ROTARY ASSBY. REPAIR TRANMISSION CHAIN. REAM F/11106'-11259'. DAY 39 (03/13~95) 30" @ 292' 18-5/8" @ 1133' 13-3/8" @ 4254' 9-5/8' @ 11,070' 9.1 PPG REAM F/11259'-12102'. DRILL 8-1/2" HOLE F/12102'-12247'. HIGH TORQUE. POH. DAY 40 (03/14/95) 30" @ 292' 18-5/8" @ 1133' 13-3/8" @ 4254' 9-5/8" @ 11,070' 9.0 PPG FINISH POH. BIT 1/4" UNDERGAUGE. CHANGE BHA. TEST BOP. RIH W/MOTOR ASSBY. DRILL 8-1/2" HOLE FI12247'-12470'. DAY 41 (03/15~95) 30" @ 292' 18-5/8' @ 1133' 13-3/8" @ 4254' 9-5/8' @ ,o7o' 9.1 PPG DRILL 8-1/2' HOLE FI12470'-12512'. POH F/BIT. LOST ALL 3 CONES. RIH W/MILLING ASSBY #1. MILLED ON CONES F/12512'-12514'. POHo MILL WORN OUT. 30" @ 292' 18-5/8" @ 1133' 13-3/8" @ 4254' 9-5/8" @ 11,070' 9.1 PPG RIH W/MILLING ASSY #2. MILLED F/12514' - 12516'. POOH. RIH W/MAGNET ASSY #1. WASH & WORK ASSY ON BTM. POOH, RECOVERED 2.9# OF LOSS CONES. RIH W/REV ClRC BASKET. WASH DN TO 12,512'. DAY 43-45 (03/17-19/95) 30" @ 292' 18-5/8" ¢___.. 1133' 13-3/8" ¢__. 4254' 9-5/8" ¢_____. 11,070' 9.3 PPG POOH, RECOVERED 0.8# OF CONES. RIH W/MAGNET ASSY #2. RIH W/MAGNET ASSBY #2. WASH & WORK ASSBY ON BTM. POOH. NO RECOVERY. RIH W/DRILLING ASSBY. WORK MT BIT ON BOTTOM, VERIFIED PRESENCE OF JUNK. POOH. RIH W/REV. ClRC BASKET. WASH DOWN TO 12516'. POOH. RECOVERED 1.2# OF CONES. RIH W/MILLING ASSBY #3. MILL F/12516'-12523'. POOH. MILL WORN BUT NOT WORN OUT. RIH W/DRILLING ASSBY. DRILL W/MT BIT F/12523'-12556'. POOH. BIT OUT OF GAUGE BUT NO INDICATION OF JUNK. RIH W/TCI DRILLING ASSBY. DAY 46 (03/20/95) 30" @ 292' 18-5/8" ¢___. 1133' 13-3/8" ¢___. 4254' 9-5/8" ¢__.. 11,070' 9.1 PPG DRILL 8-1/2" HOLE F/12556'-12781' (TD). POOH F/LOGS. RU LOGGING TOOLS ON DP. RIH TO 10504'. . .- DAY 47 (03/21/95) 30" ¢___.. 292' 18-5/8" @ 1133' 13-3/8" ¢___.. 4254' 9-5/8" @ 11,070' 9.2 PPG ESTABLISH WET CONNECT AND INSTALL SDES. RIH W/DLL/MSFL/LDT/CNL/GRJSP TO 12781'. LOG OUT OF HOLE. RIH W/7" LINER ON 5" DP. WASH DOWN F/12674'-12781'. CCH. DAY 48 (03/22/95) 30" @ 292' 18-5/8" @ 1133' 13-3/8" @ 4254' 9-5/8' @ 11,070' 9.2 PPG 7" SHOE @ 12781' & TOL AT 10881'. CEMENT 7" LINER W/756 SX CLASS "G" W/ADDITIVES. SET LINER TOP PACKER & REVERSE OUT 65 BBLS CMT. POOH. LD HWDP. CHANGE RAMS & TEST BOP. RIH W/6" BIT. PU 3-1/2" DP & TANDEM SCRAPERS. TAG TOL @ 10881' (DPM). DAY 49 (03/23/95) 30" @ 292' 18-5/8' @ 1133' 13-3~8" @ 4254' 9-5/8" @ 11,070' 9.1 PPG RIH & TAG CMT @ 12685'. CLEAN OUT CMT F/12685'-12730' DPM (LANDING COLLAR). CBU & TEST CSG TO 3500 PSI F/30 MIN, OK. POH. RIH W/PACKER. PU 3-1/2" TBG, MULTI-SERVICE VALVE @ 4900'. PSA 10735'. OPEN VALVE & NEGATIVE TEST LINER TOP, OK. FILL TBG & REVERSE CLEAN. POH. DAY 50-52 (03/24-26/95) 30" ¢___. 292' 18-5/8" @ 1133' 13-3/8" ¢__. 4254' 9-5/8' @ 11,070' 7" ¢__. 10881'-12781' 8.4 PPG FINISH POH. RIH WI6" BIT. PU 3-1/2' TBG. DISPLACE MUD W/3% KCL. POH. RIH W/1400' (NET) 4-518' TCP GUNS ON 3-1/2" DUAL KOBE COMPLETION. HYDROTESTING LONG STRING IN HOLE. TAG BOTTOM & SPACE OUT GUNS. BTM SHOT @ 12680', TOP SHOT @ 11090'. LAND TBG. ND BOP, NU TREE. TEST TREE & PULL BPV. SKID RIG TO ANNA 11RD, CHANGE OUT PUMP. RELEASED RIG TO ANNA 52 @ 0000 3/27/95. UNOCAL ANNA Platform 50 slot #1-5 Granite Point Field Cook Inlet, Alaska SURVEY L I ST [NG by Baker Hughes [NTEQ Your ref : GMS <0 - 250'> : GSS <288 - 1298'> : PMSS <1380 - 12781'> Our ref : svy4550 License : Date printed : 23-Mar-95 Date created : 9-Feb-95 Last revised : 21-Mar-95 Field is centred on n60 59 36.731,w151 18 33.112 Structure is centred on n60 58 44.738,w151 18 33.113 Slot location is n60 58 37.500,w151 18 45.981 Slot Grid coordinates are N 2551407.101, E 266816.812 Slot local coordinates are 735.00 S 635.00 W Reference North is True North RECEIVED ,JUN 0~. 1,995 Gas Cons. Commission Anchor:" · UNOCAL ANNA Platform,50 Granite Point Field,Cook Inlet, Alaska SURVEY LISTING Page 1 Your ref : PMSS <1298 - 12781'> Last revised : 21-Mar-95 Measured Inclin, Azimuth True Vert. R E C T A N G U L A R Dogleg Vert Depth Degrees Degrees Depth C 0 0 R D I N A T E S Deg/lOOFt Sect 0.00 0.00 0,00 0.00 0.00 N 0.00 W 0.00 0.00 50.00 0.00 0.00 50.00 0.00 N 0.00 W 0.00 0.00 100.00 0.25 65.00 100.00 0.05 N 0.10 E 0.50 0.04 150.00 0.50 349.00 150.00 0.31 N 0.16 E 1.00 -0.09 200,00 0.50 25.00 200.00 0.72 N 0.21 E 0.62 -0.33 250.00 1.00 36.00 249.99 1.27 N 0.56 E 1.04 -0.45 288.00 1.25 31.00 287.98 1.89 N 0.96 E 0.71 -0.57 299.00 1.50 21.00 298.98 2.13 N 1.08 E 3.14 -0.64 390.00 2.00 353.00 389.94 4.82 N 1.31 E 1.07 -2.29 478.00 2.00 336.00 477.89 7.74 N 0.50 E 0.67 -4.86 539.00 2.00 325.00 538.85 9.59 N 0.54 W 0.63 -6.88 601.00 1.50 300.00 600.82 10.88 N 1.87 W 1.45 -8.73 628.00 2.00 280.00 627.81 11.14 N 2.64 ~ 2.90 -9.47 748.00 0.75 295.00 747.7-/ 11.84 N 5.41 ~ 1.08 -11.98 840.00 1.25 4.00 839.76 13.09 N 5.89 ~ 1.31 -13.18 993.00 2.00 345.00 992.70 17.33 N 6.46 ~ 0.60 -16.47 1108.00 1.50 20.00 1107.65 20.69 N 6.47 W 1.00 -18.74 1234.00 1.75 351.00 1233.60 24.14 N 6.20 W 0.67 -20.88 1298.00 1.50 353.00 1297.58 25.93 N 6.46 W 0.40 -22.28 1380.00 1.20 340.70 1379.55 27.81 N 6.87 ~ 0.51 -23.85 1471.00 1.10 337.60 1470.53 29.52 N 7.52 W 0.13 -25.48 1564.00 0.90 340.50 1563.52 31.03 N 8.10 ~ 0.22 -26.94 1701.00 1.20 343.40 1700.50 33.42 N 8.87 g 0.22 -29.12 1753.00 1.30 330.40 1752.48 34.45 N 9.32 W 0.58 -30.14 1847.00 1.40 326.20 1846.46 36.34 N 10.49 ~ 0.15 -32.27 1939.00 1.30 310.80 1938.43 37.95 N 11.90 ~ 0.41 -34,41 2033.00 1.50 306.80 2032.40 39.38 N 13.69 ~ 0.24 -36,70 2127.00 1,70 312.20 2126.37 41.06 N 15.71 g 0.27 -39.32 2222.00 1,60 312.60 2221.33 42.90 N 17.73 W 0.10 -42,05 2355.00 1.30 301.00 2354.29 44.94 N 20.39 ~ 0.31 -45,39 2405.00 1,30 272.00 2404.27 45.25 N 21.44 W 1.30 -46,38 2501.00 1,10 272.40 2500.25 45.32 N 23.45 ~ 0.21 -47,91 2591.00 1,20 274.10 2590.24 45.43 N 25.26 ~ 0.12 -49.31 2686.00 1,30 280.60 2685.21 45.70 N 27.31 ~ 0.18 -51,00 2778.00 1,20 273.80 277-/.19 45.95 N 29.30 ~ 0.19 -52,64 2872.00 1.20 265.10 2871.17 45.94 N 31.26 W 0,19 -54.08 2967.00 1.60 254.20 2966.14 45.49 N 33.53 ~ 0.50 -55.45 3061.00 1.60 256.60 3060.10 44.83 N 36.06 ~ 0.07 -56.87 3154,00 2.10 256.70 3153.06 44.13 N 38.9<2 ~ 0.54 -58,56 3248,00 2.30 256.20 3246.99 43.29 N 42.49 W 0.21 -60.58 3340,00 2.30 266.20 3338.91 42.72 N 46.13 ~ 0.44 -62.88 3435,00 2.30 276.10 3433.84 42.80 N 49.93 ~ 0.42 -65.73, 3528.00 2.30 267.10 3526.76 42.91 N 53,65 W 0.39 -68.54 3620.00 2.40 266.80 3618.68 42.70 N 57.41 W 0.11 -71.18 3714.00 3.10 266,80 3712.58 42.45 N 61.92 W 0.74 -74.33 3808.00 3.40 269.80 3806.42 42.30 N 67.24 W 0.37 -78.16 3901.00 4.00 277,20 3899.23 42.70 N 73.22 W 0.82 -82.83 3995.00 4.00 282.70 3993.00 43.83 N 79.67 W 0.41 -88.35 4089.00 4.10 280,90 4086,7-/ 45.19 N 86.17 W 0.17 -94.06 4182.00 4.10 277.10 4179.53 46.23 N 92.73 W 0.29 -99.60 All data is in feet unless otherwise stated Coordinates from slot #1-5 and TVD from RKB (127.00 Ft above mean sea level). Vertical section is from wellhead on azimuth 132.48 degrees. Declination is 0,00 degrees, Convergence is -1.14 degrees. Calculation uses the minim~ curvature method. Presented by Baker Hughes INTEQ UNOCAL ANNA Platform,50 Granite Point Field,Cook Inlet, Alaska SURVEY LISTING Page 2 Your ref : PMSS <1298 - 12781'> Last revised : 21-Mar-95 Measured Inclin. Azimuth True Vert. R E C T A N G U L A R Dogleg Vert Depth Degrees Degrees Depth C 0 0 R D I N A T E S Deg/lOOFt Sect 4233.00 4.20 280.90 4230.40 46.80 N 96.37 W 0.57 -102.68 4302.00 3.50 268.70 4299.24 47.23 N 100.96 W 1.56 -106.36 4397.00 2.60 210.00 4394.13 45.30 N 104.94 ~ 3.25 -107.98 4491.00 4.20 177.70 4487.97 40.02 N 105.86 W 2.59 -105.10 4585.00 5.10 146.20 4581.67 33.10 N 103.40 ~ 2.84 -98.61 4678.00 6.60 136.40 4674.19 25.80 N 97.42 W 1.93 -89.26 4770.00 8.00 134.30 4765.44 17.50 N 89.19 ~ 1.55 -77.59 4862.00 8.80 130.60 4856.45 8.44 N 79.26 ~ 1.05 -64.16 4957.00 11.10 129.20 4950.02 2.06 $ 66.66 W 2.43 -47.76 5051.00 13.50 130.00 5041.85 14.84 $ 51.24 ~ 2.56 -27.76 5146.00 17.50 131.40 5133.38 31.42 S 32.02 ~ 4.23 -2.39 5239.00 20.40 132.70 5221.33 51.66 $ 9.62 ~ 3.15 27.80 5333.00 23.40 133.00 5308.54 75.51 S 16.08 E 3.19 62.86 5427.00 26.10 129.70 5393.90 101.45 S 45.65 E 3.22 102.18 5522.00 28.80 128.20 5478.20 128.96 S 79.72 E 2.93 145.88 5617.00 31.60 127.30 5560.29 158.20 S 117.50 E 2.98 193.50 5710.00 33.50 127.60 5638.68 188.62 S 157.22 E 2.05 243.34 5804.00 36.10 128.50 5715.86 221.70 S 199.46 E 2.82 296.82 5897.00 37.70 128.20 5790.23 256.34 S 243.25 E 1.73 352.52 59<22.00 37.98 128.30 5865.26 292.42 S 289.02 E 0.30 410.64 6085.00 38.80 127.30 5938.15 327.81 S 334.65 E 1.11 468.19 6178.00 37.10 128.60 6011.48 362.97 S 379.75 E 2.02 525.20 6272.00 37.18 128.25 6086.42 398.24 S 424.22 E 0.24 581.81 6366.00 37.60 128.80 6161.10 433.80 S 468.87 E 0.57 638.76 6459.00 38.60 130.20 6234.29 470.30 S 513.14 E 1.42 696.06 6553.00 37.10 130.80 6308.51 507.75 S 557.00 E 1.64 753.70 6645.00 36.80 130.30 6382.03 543.71 S 599.02 E 0.46 808.97 67-59.00 37.00 132.10 6457.20 580.88 S 641.48 E 1.17 865.39 6840.00 37.70 132.90 6537.49 622.28 S 686.66 E 0.84 926.66 6931.00 38.70 133.80 6609.01 660.91 S 727.57 E 1.26 982.93 7072.00 41.00 133.70 6717.25 723.38 S 792.84 E 1.63 1073.25 7155.00 41.50 134.30 6779.65 761.40 S 832.20 E 0.77 1127.96 7305.00 42.60 134.10 6891.03 831.44 S 904.23 E 0.74 1228.38 7401.00 42.30 134.80 6961.87 876.81 S 950.48 E 0.58 1293.14 7495.00 42.10 134.50 7031.50 921.19 S 995.40 E 0.30 1356.23 7589.00 42.20 134.90 7101.20 965.56 S 1040.24 E 0.30 1419.26 7684.00 41.70 135.30 7171.85 1010.54 S 1085.07 E 0.60 1482.70 7778.00 41.60 135.20 7242.09 1054.91 S 1129.05 E 0.13 1545.10 7872.00 41.30 136.50 7312.55 1099.55 S 1172.39 E 0.97 1607.22 7965.00 40.90 136.20 7382.63 1143.79 S 1214.59 E 0.48 1668.21 8059.00 40.70 137.30 7453.79 1188.52 S 1256.67 E 0.79 1729.46 8151.00 40.30 136.70 7523.74 1232.22 S 1297.42 E 0.61 1789.03~ 8244.00 40.20 137.60 7594.72 1276.27 S 1338.-28 E 0.63 18~8.92 8327.00 39.90 138.80 7658.26 1316.08 S 1373.88 E 1.00 1902.05 8436.00 39.40 138.50 7742.19 1368.30 S 1419.83 E 0.49 1971.20 8530.00 39.60 139.50 7814.72 1413.42 S 1459.06 E 0.71 2030.61 8625.00 39.40 138.70 7888.02 1459.10 S 1498.62 E 0.58 2090.63 8719.00 38.80 139.00 7960.97 1503.73 S 1537.63 E 0.67 2149.55 8813.00 38.40 140.30 8034.44 1548.42 S 1575.60 E 0.96 2207.73 8907.00 38.20 140.40 8108.20 1593.28 S 1612.77 E 0.22 2265.44 Att data is in feet unless otherwise stated Coordinates from slot #1-5 and TVO from RKg (127.00 Ft above mean sea level). Vertical section is from wellhead on azimuth 132.48 degrees. Declination is 0.00 degrees, Convergence is -1.14 degrees. Calculation uses the minimum curvature method. Presented by Baker Hughes INTEQ UNOCAL ANNA Platform,50 Granite Point Field,Cook Inlet, Alaska SURVEY LISTING Page 3 Your ref : PMSS <1298 - 12781'> Last revised : 21-Mar-95 Measured Inclin. Azimuth True Vert. R E C T A N G U L A R Dogleg Vert Depth Degrees Degrees Depth C 0 0 R D I N A T E S Deg/lOOFt Sect 9000.00 38.00 140.60 8181.39 1637.56 S 1649.28 E 0.25 2322.27 9092.00 37.60 141.60 8254.08 1681.44 S 1684.68 E 0.80 2378.02 9185.00 37.00 140.90 8328.06 1725.39 S 1719.96 E 0.79 2433.72 9279.00 36.70 141.20 8403.28 1769.23 S 1755.40 E 0.37 2489.46 9372.00 36.10 141.90 8478.14 1812.45 S 1789.72 E 0.78 2543.96 9464.00 36.00 143.90 8552.52 1855.63 S 1822.37 E 1.28 2597.20 9555.00 35.00 141.10 8626.61 1897.55 S 1854.52 E 2.10 2649.23 9650.00 36.50 139,60 8703.71 1940.28 S 1889.94 E 1.83 2704.20 9745.00 37.00 136.70 87-/9.84 1982.60 S 1927.86 E 1.90 2760.76 9839.00 37.00 132.20 8854.92 2022.19 S 1968.22 E 2.88 2817.26 9933.00 36.30 128.00 8930.35 2058.33 S 2011.11 E 2.77 2873.29 10028.00 35.80 124.00 9007.17 2091,18 S 2056.31 E 2.53 2928.82 10065.00 35.60 122,90 9037.21 2103.08 S 2074.33 E 1.82 2950.14 10127.00 36.30 122.70 9087.40 2122.80 S 2104.92 E 1.14 2986.02 10221.00 36.90 122,10 9162.87 2152,83 S 2152.24 E 0.74 3041.20 10315.00 37.20 122.80 9237.89 2183,22 S 2200.03 E 0.55 3096.97 10407.00 37.30 122,30 9311.12 2213,18 S 2246.97 E 0.35 3151.82 10500.00 36.90 123.70 9385.30 2243,73 S 2294.02 E 1.00 3207.14 10593.00 36.70 124.60 9459.77 2275,00 S 2340.12 E 0.62 3262.26 10686.00 36.50 125.10 9534.43 2306.68 S 2385.63 E 0.39 3317.22 10780.00 36.20 125,10 9610.14 2338.72 S 2431.21 E 0.32 3372.47 10872.00 35.80 125,80 9684.57 2370.08 S 2475.26 E 0.62 3426.14 10966.00 36.20 125,90 9760.62 2402.44 S 2520.05 E 0.43 3481.02 11065.00 35.80 125.00 9840.71 2436.19 S 2567.45 E 0.67 3538.78 11105.00 35.10 126.90 9873.30 2449.81 S 2586.23 E 3.26 3561.82 11154.00 36.70 126.30 9912.99 2466.94 S 2609.30 E 3.34 3590.40 11248.00 42.30 124.80 9985.49 2501.65 S 2657.95 E 6.04 3649.72 11339.00 49.40 122.80 10048.84 2537.89 S 2712.20 E 7.96 3714.21 11432.00 55.70 122.90 10105.36 2577.92 S 27-/4.20 E 6.77 3786.96 11525.00 60.70 123.60 10154.35 2621.25 S 2840.27 E 5.41 3864.95 11621.00 66.50 123.40 10197.02 2668.69 S 2911.94 E 6.04 3949.85 11712.00 72.20 122.00 10229.10 2714.65 S 2983.58 E 6.43 4033.72 11804.00 74.40 123.20 10255.54 2762.13 S 3057.81 E 2.70 4120.53 11897.00 73.50 123.30 10281.25 2811.13 S 3132.55 E 0.97 4208.74 11991.00 74.60 122.40 10307.08 2860.16 S 3208.48 E 1.49 4297.85 12063.00 74.30 120.60 10326.38 2896.40 S 3267.62 E 2.44 4365.94 12089.00 74.60 120.80 10333.35 2909.19 S 3289.16 E 1.37 4390.46 12183.00 74.10 122.10 10358.71 2956.41 S 3366.37 E 1.43 4479.30 12271.00 73.90 119.10 10382.97 299<2.47 S 3439.17 E 3.28 4562.06 12364.00 74.90 119.10 10407.98 3043.03 S 3517.44 E 1.08 4649.20 12457.00 73.10 118.50 10433.62 3086.10 S 3595.77 E 2.03 4736.06 12557.00 69.70 118.00 10465.51 3130.95 S 3679.25 E 3.43 4827.91~ 12652.00 69.20 117.20 10498.86 3172.17 S 3758~08 E 0.95 4913.88 12745.00 69.40 117.40 10531.73 3212.07 S 3835.38 E 0.29 4997.84 12781.00 69.40 117.40 10544.40 3227.58 S 3865.30 E 0.00 5030.38 Projected Data - NO SURVEY All data is in feet unless otherwise stated Coordinates from slot #1-5 and TVD frown RKB (127.00 Ft above mean sea Level). Vertical section is from wellhead on azimuth 132.48 degrees. Declination is 0.00 degrees, Convergence is -1.14 degrees. Calculation uses the minimum curvature method. Presented by Baker Hughes [NTEQ UNOCAL ANNA Platform,50 Granite Point Field,Cook Inlet, Alaska SURVEY LISTING Page 4 Your ref : PMSS <1298 - 12781'> Last revised : 21-Mar-95 Co~ents in wellpath MD TVD Rectangular Coords. Cow~ent 12781.00 10544.40 3227.58 S 3865.30 E Projected Data - NO SURVEY Targets associated with this wellpath Target name Position T.V.D. Local rectangular coords. Date revised A-50 T/ C-5 269410.000,2548935.000,0.00009927.00 2419.89S 2642.16E 12-Sep-94 A-50 T/ C-5 #2 270875.000,2547955.000,0.000010727.00 3370.46S 4126.51E 12-Sep-94 All data is in feet unless otherwise stated Coordinates from slot #1-5 and TVD from RKB (127.00 Ft above mean sea level). Bottom hole distance is 5035.65 on azimuth 129.86 degrees from wellhead. Vertical section is fro~ wellhead on azimuth 132.48 degrees. Declination is 0.00 degrees, Convergence is -1.14 degrees. Calculation uses the minimum curvature method. Presented by Baker Hughes INTEQ Unocal Energy Resin' ,s Division 909 West 9th, P.O.E. i96247 Anchorage, AK 99519-6'~7 Telephone (909) 276-7600 . Fax (907) 263-7828 UNOCAL Debra Childers Clerk April 26, 1995 DATA TRANSMITTAL #15 To: Larry Grant 3001 Porcupine Anchorage, AK 99501 Alaska Oil & Gas From: Debra Childers 909 W. 9th Avenue Anchorage, AK 99519-6247 Unocal Enclosed, please find the data as described below: GRANITE POINT 50 5" BLUELINE / SEPIA DUAL LATEROLOG I MICRO LATEROLOG / GAMMA RAY GRANITE POINT 50 2" BLUELINE I SEPIA DUAL LATEROLOG / MICRO LATEROLOG / GAMMA RAY GRANITE POINT 50 5" BLUELINE I SEPIA COMP DENSILOG / NEUTRON / GR I CALIPER GRANITE POINT 50 2" BLUELINE / SEPIA COMP BENSILOG I NEUTRON I GR / CALIPER GRANITE POINT 50 5" BLUELINE / SEPIA GAMMA RAY LOG / 4-ARM CALIPER GRANITE POINT 50 BLUELINE/SEPIA · FORMATION MUDLOG GRANITE POINT 50 TAPE f4~¢ O'/~ G.P. 18742 - 11 RD 5" BLUELINE / SEPIA PHASOR INDUCTION - 8FL G.P. 18742 - 11 RD 2" BLUELINE / SEPIA PHASOR INDUCTION - SFL G.P. 18742 - 11 RD 5" BLUELINE / SEPIA BOREHOLE COMPENSATED SONIC LOG G.P. 18742 - 11 RD 2' BLUELINE ! SEPIA BOREHOLE COMPENSATED SONIC LOG RECEIVED APR 2 8 1995 Alaska 011 & Gas Cons. CommissiOn Anchorage Please acknowle(~eAeip_,kby signing ar!el re[uming one copy of ~is transmittal or FAX to (907) 263-7828. MEMORANDUM TO: THRU: 'David Jo?~n, Chairn'r~~ State of Alaska Alaska Oil and Gas Conservation Commission DATE: February 28, 1995 Blair Wondzell, ~ P. I. Supervisor ~/3/'~ FROM' Lou Grimaldi,,~ ''~LY~ SUBJECT: Petroleum Inspector FILE NO: A08JB2CD.DOC BOP test / Rig inspection Pool rig # 429. ~.~ UNOCAL A-50 PTD # 95-03 Tuesday, February 28, 1995: I witnessed the weekly testing of the BOPE on Pool dg # 429 which was drilling onboard the Anna platform. The test was originally scheduled for Sunday the 26th but due to weather I could not fly out to the platform. ! allowed the dg to make another bit run in hopes that the weather would be better when they tripped the next time which was the case today. The choke manifold was tested as the drillpipe was pulled and the ~ stack was tested once they were on the bank. The gas detection system was tested and I found theirs to be in good operating condition. All of the equipment that I observed was in top shape and operated correctly. The pressure tests all passed and I was especially impressed with the crew's knowledge of proper testing procedures. Chuck Scheve and John McCoy (Pool toolpushers) do a good job of providing their crews with the support to keep this rig in "Outstanding" shape. SUMMARY: I witnessed the weekly BOP test on Pool rig # 429 ddlling 'Unocal well Granite Point State # 50 (A-50). Test time 4 hours, no failures. Attachments: A08JB2CD.XLS CC: Chuck Beaucamp Field superintendent STATE OF ALASKA OIL AND GAS CONSERVATION COMMISSION BOPE Test Report OPERATION: Drlg: X Workover: Drlg Contractor: Pool Operator: Unocal Well Name: Granite Point State #50 Casing Size: Set @ Test: Initial Weekly X Rig No. 429 PTD# 93-03 Rep.: Rig Rep.: Location: Sec. Other DATE: Rig Ph.# Don Byrne 2/28/95 776-6627 Chuck Scheve 12 T. 1ON R. 12W Meridian Umiat MISC. INSPECTIONS: Location Gen.: ex Housekeeping: ex PTD On Location ok Standing Order Posted BOP STACK: Annular Preventer Pipe Rams Lower Pipe Rams Blind Rams Choke Ln. Valves HCR Valves Kill Line Valves Check Valve (Gen) N/A Well Sign ok Drl. Rig ex Hazard Sec. ok Quan. Test Press. P/F I 300/3,000 P I 300/5,000 P 1 300/5,000 P 1 300/5,000 P 1 300/5,000 P 1 300/5,000 P 2 300/5,000 P N/A 300/5,000 N/A ~IUD SYSTEM: Visual Alarm Trip Tank P P =it Level Indicators P P Flow Indicator P P Meth Gas Detector P P H2S Gas Detector N/A N/A FLOOR SAFETY VALVES: Upper Kelly / IBOP Lower Kelly / IBOP Ball Type Inside BOP Test Quan. Pressure P/F 1 300/5,000 P 300/5,000 P 300/5,000 P 300/5,000 P CHOKE MANIFOLD: No. Valves No. Flanges Manual Chokes Hydraulic Chokes Test Pressure P/F 16 300/5,000 P 48 300/5,000 P I P Functioned Functioned ACCUMULATOR SYSTEM: System Pressure Pressure After Closure 200 psi Attained After Closure System Pressure Attained Blind Switch Covers: Master: Nitgn. Btl's: 2,900 P 1,900 P minutes 24 1 minutes 23 OK Remote: Twelve Bolt/is 2100 Average Psig. sec. sec. OK Number of Failures: 0 ,Test Time: 4.0 Hours. Number of valves tested 24 Repair or Replacement of Failed Equipment will be made within N/A days. Notify the Inspector and follow with Written or Faxed verification to the AOGCC Commission Office at: Fax No. 276-7542 Inspector North Slope Pager No. 659-3607 or 3687 If your call is not returned by the inspector within 12 hours please contact the P. I. Supervisor at 279-1433 REMARKS: OUTSTANDING RIG/. Good test procedure. Distribution: orig-Well File c - Oper./Rig c - Database c - Trip Rpt File c- Insp~(~'L (Rev. 12/94) STATE WITNESS REQUIRED? YES X NO 24 HOUR NOTICE GIVEN YES X NO Waived By: Witnessed By: B2CD.XLS Louis R. Grimaldi Memorandum State of Alaska Oil and Gas Conservation Commission To: Commission / ~ltq}c0~'~' January 13, 1995 / ~l'.f~.,~.t" ~ . Unocal Request for D~verter Waiver -- Granite Pt. Anna Wells 50,51 & 52 Fm; Subj: Unocal has requested a waiver of diverter requirements on the subject wells. They propose to drill the 30"x18 5/8 conductor hole to 1100' with a flow nipple then drill the 17 1/2"x13 3/8" surface hole to +/-4500' with a 20 3/4", 3000 psi. BOPE system. They state in their application letter that the fracture gradient anticipated at the casing shoes is .80 psi/foot and the rock will be competent enough to shut in the well and circulate a kick rather than divert. The fracture gradients are based on recent leak off tests done in the Granite Pt. Field and Cook Inlet area. A review of 4 wells which offset the subject wells showed 2 had elevated gas, Anna 35 at about 3900' and Anna 37 which had to be shut in to circulate out gas at 3800 feet. Both situations were handled without undue procedures and drilling resumed. In Anna 35, mud weight was raised from 8.9 ppg at 3700 feet to 10.2 at 3900 feet and remained in that range to 9000 feet. In Anna 37 mud weights ranged from 8.8 to 9.4 ppg from 1000 to 4900 feet and increased to 10 ppg by 9800 feet. None of the 4 wells indicated abnormal pressures or mud weights above 4500 feet. Unocal states that there is no gas above 1100' in the vicinity of the Anna platform based on the information available to them. Regulation 20 AAC 25.035 Co) (3) and (c) (2) authorizes the Commission to waive diverter requirements if drilling experience in the near vicinity indicates a diverter system is not necessary. The same approach and arguments were the basis of the diverter waiver granted on Dillon wells 16 & 17 in April, 1994. The proposal to drill the surface hole to 1100' with a drilling nipple means there is no annular preventer to divert the well and returns go straight to the shakers and pits. For the hole sections from 1100-4500', their permit application shows a 20 3/4" BOP system with a 2000 psi annular preventer and a diverter spool which will be blinded off and not used. Unocal believes the diverter is not appropriate and would rather use positive control measures and shut in on kicks where the formation is competent. In summary, a review of AOGCC well histories on four wells in the vicinity of the proposed wells indicated no shallow gas above 1100' noted on drilling summaries. Two cases of elevated gas were noted between 3700 and 3900 feet which were handled by ordinary drilling and circulating procedures. Recommendation: Absent shallow gas above 1100 feet and other notable drilling problems in the vicinity of the well to be drilled, we recommend approval of the waiver of diverter requirements. Gas kicks below 1100 feet can be shut in and circulated if fracture gradients are in the range stated. If there are other circumstances which the Commission thinks would cause a need for diverter use, Unocal should be allowed to address those circumstances. ALASKA OIL AND GAS CONSERVATION COMMISSION TONY KNOWLE$, GOVERNOB 3001 PORCUPINE DRIVE ANCHORAGE, ALASKA 99501-3192 PHONE: (907) 279-1433 FAX: (907) 276-7542 Januar), 13, 1995 G. Russell Schmidt Drilling Manager Union Oil Company of California (UNOCAL) P O Box 196247 Anchorage, AK 99519-6247 Re: Granite Poinl St., 18742 No. 50 UNOCAL Permit No: 95-03 Sur. Loc. Anna Pit Leg #1, Slot #5, 735'FNL, 635'FEL, Sec. 12, T10N, RI2W. SM Btmholc Loc. 1175'FSL & 1789'FEL, Sec. 7, TION, RI IW, SM Dear Mr. Schmidt: Enclosed is thc approved application for pcrlnit to drill thc above referenced well. The Commission grants your request to waive thc divcrter requircmcnls on both tile 30" structural casing and the 18 5/8" surface casing. It is understood that UNOCAL will install a flow nipple on the structural casing and a 3M BOPE stack on the surface casing in lieu of thc divertcr Tile permit to drill does not exempt you from obtaining additional pcrlnits required by law from other governmental agencies, and docs not authorize conducting drilling operations until all other required permitting determinations are made. Blowout prevention equipment (BOPE) must be tested in accordance with 20 AAC 25.035. Sufficient notice (approximately 24 hours) of the BOPE test performed before drilling below thc surface casing shoe must be given so that a representative of thc Commission may witness the test. Notice may be given by contacting thc Commission at 279-1433. · Chairman BY ORDER OF THE COMMISSION dlf/Enclosures CC: Department of Fish & Game, Habitat Section ~v/o encl. Department of Environlncntal Conservation w/o encl. ~-- STATE OF ALASKA Al_ASK )IL AND GAS CONSERVATION CC tlSSION PERMIT TO DRILL 20 AAC 25.005 la. Type of work Ddll ~ Reddll [-] J lb. Type of well. Exploratory r-] Stratigraphic Test ~ Development Oil Re-Entry F'] Deepen r-]I Service F-] Development Gas [-] Single ZoneJ-'l Multiple Zone ~ 2. Name o~ Operator 5. Datum Elevation (DF or I<~) 10. Field and Pool Union Oil Company o~ California (UNOCAL) 127' RKB above MSL feet Granite Point Field 3. Address 6. Property Designation Middle Kenai 'C' Sands P.O. Box 196247~ Ancherage~ AK 99519 ADL 18742 4. Location o~ well at sLrface Anna Pit Leg #1, SLot #5 7. Unit or property name 11. Type Bond (sm 735' FNL & 635' FEL, Sec. 12, T10N, R12W, SM Granite Pt Field AK Statewide Oil & Gas Bond At top o~ productive intewal 8. Well number # Number 2125' FSL& 2007' FWL, Sec 7, T10N, R11W, SM ~,-,~,~/,~ Po,'~/5/, /~-?~2. ~o U62-9269 At total depth 9. Approximate ~,pud date Amount 1175' FSL& 1789' FEI_, Sec. 7, T10N, R11W, SM 1/15/94 $200,000 12. Distance to nearest 13. Distance to nearest well 14. N umber of acres in property 15. Proposed depth property line 2000 feet (Well #38) 1200 feet 5060 13020' MD/10729' 'IVD feet 16. To be corn pleted for cleviated wells 17. Anticipated Pressure{,., a0 AAC ~.0~ Kickoff depth 4500 feet 72 Maximum holeangle M~mum=~,~ 966 p~tm~pth¢~,q 4828 18. Casing program Setting Dept~ size Specifications Top Bc~torn Quantity of cement Hole Casing Weight Grade Coupling Length MD TVD MD TVD (inctude stage data) 24" 18-5/e 97 X52 QTE60 1031' 69' 69' 1100 1100 2300 cu. ft. 17-1/2' 13-3/a 68 K55 BUTT 4431' 69' 69' 4500 4500 3200 cu. ft. 12-1/4' 9-5/8' 47 L80 BIJ'i-l' 10981' 69' 69' 11050 9928 1200cu. ff. 8-1/2' 7' 29 1_80 TKC B u-I-r 2170' 10850' 9728' 13020 10729 650 cu. ft. 19. To be completed for Reclrill, Re-entry, and Deepen Operations Present well condition summary Total depth: measured 292' feet Plugs (measured) true vertical 292' feet Effective depth: measured 292' feet Junk (measured) true vertical 292' feet Casing Length Size Cemented Measured depth True vertical depth Structtxal 234' 30' Driven 292' RKB (88' BML) Conductor ~n~erfaj;diateR E £ E IV E D Production jAN - 9 1995 Liner Perforation depth: measured A!a. ska. 0ii & Gas Cons, Commission true vert~_~ Anchorc 20. Attachments Filing fee ~ Property plat [-] BOP Sketch~ Diverter Sketch ~ Drilling program ~ Drilling fluid program ~ Time vs depth plot [~ Refraction analysis ~ Seabed report r-] 20 AAC 25.050 requirements 21 .I hereby certify that ~ foregoing.~.~.~ .~.~.,,~ ~ue'a~" d ccrrect~ the best of my knowledge Cornmission Use Only ~..'5"' -" (:~.~ J,50- ~',~'.~- .~_.c::~. ~"~",,~~ /~,...x '" ~,,-.%-'~ for other requirements Conditions of approval Samples requJred I-] Yes i~ No Mud Iog required [-] Yes ~ No Hydrogen suifide measures J-"J Yes J~ No Directional survey required ~ Yes J-] No nequired working pressure for aOPE I-'! P_M; !~ 3M; l~l 5M; l-] 1OM: I-] 15M Other: Original Signed By by the order of David w, Johnston Approved by Cammissioner the commission Date/~'/..~-"'~ Fo'm 10-401 Rev. 12-1-85 Submit In tflplicate Unocal North Americal Oil & Gas Division Unocal Corporation P.O. Box 190247 Anchorage, Alaska 99519-0247 Telephone (907) 276-7600 UNOCAL Alaska Region December 28, 1994 Mr. David Johnston Commissioner Alaska Oil & Gas Conservation Commissioner 3001 Porcupine Drive Anchorage, AK. 99501-3192 Dear Mr. Johnston: Please find enclosed applications for Permit to Drill (Form 10-401) for the Anna Platform wells #50, 51 & 52. The timing to spud these wells is approximately mid January 1995 upon the completion of the current well Anna 3rd. As part of this continued development drilling program UNOCAL is requesting that the AOGCC waive the diverter system requirement on both the (30") structural and (18-5/8") surface casing strings for all three of these wells. This waiver request is similar to our April & July 1993 request for wells #16, 17, & 18 at the Dillon Platform which was subsequently approved by the AOGCC. As outlined in each well procedure, UNOCAL is intending to drill out the 30" structural casing to +1100' with a flow nipple then install a 20-3/4" 3M BOPE stack on the 18-5/8" casing that will be cemented at +1100' to surface. The 18-5/8" casing will then be drilled out to a depth of +4500' and 13-3/8" intermediate casing will be cemented from that depth to surface. UNOCAL has selected the casing points for the 18-5/8" at +1100' and the 13-3/8" at +4500' to be areas of competent formations. No gas bearing zones are evident above +1100', based on offset well data. It is anticipated that the minimum formation fracture gradients at both shoe depths to be 0.80 psi/ft. UNOCAL's recent experience in the Middle Ground Shoals Field at the Dillon Platform and elsewhere in the Cook Inlet (see Leak Off Test Data) has demonstrated true fracture gradients ranging from 0.75 - 0.94 psi/fi. In all three wells at Anna the maximum surface pressure (MSP) expected while drilling below the 18-5/8" surface casing will be far less than the anticipated fracture pressures. Since the casing shoes will not break down in a well kick situation and the setting depths are in competent formations, UNOCAL believes these are prudent casing designs and warranted operations. RECEIVED ,.1AN -9 1995 Oil & Gas Cons. Commission ', gnchorz ' Mr. David Johnston December 28, 1994 Page - 2 UNOCAL plans to complete Anna//50, 51 & 52 with hydraulic pumping completions; these wells are expected to require artificial lift for production of oil reserves. An outline of how UNOCAL plans to safely and economically produce these wells will be submitted under a separate cover. Due to the close proximity of Anna 51 and Anna 52 to Anna 36 and Anna 33, respectively, we are requesting Administrative Approval, pursuant to Rule 7 of Conservation Order No. 76, of UNOCAL's placement of these wells closer than 1000 feet to any well drilling to or capable of producing from the same pool (Rule 2, Co. No. 76). The proposed locations of Anna 51 and Anna 52 are reasonably designed to further the purposes of our drilling program in the Granite Point Field, Middle Kenai Oil Pool. Additionally, due to the total depth position of Anna 52 relative to the lease line, we are pursuing an execption to Rule No. 2 of Conservation Order No. 76 which will be addressed under separate cover. Due to the batch process of drilling the three aforementioned wells, it is requested that an unconditional permit to drill be granted for the Anna 50 and Anna 51, while a conditional permit to drill the Anna 52 be granted for the top hole sections, while final approval for the 8-1/2" hole section will remain reserved until the execption to Rule No. 2 Conservation Order No. 76 has been granted. This will enable UNOCAL to more economically carry on the drilling program in the Granite Point Field, Middle Kenai Oil Pool. If you should have any questions regarding these permits please contact C. Lee Lohoefer (Senior Drilling Engineer) assigned to this project. Thank you for your attention to these matters. Sincerely, G. Russell Schmidt Drilling Manager CLL/cll enclosure: RECEIVED JAN - 9 1995 0il & Gas Cons. Commission ~chor~. Anna Well #$0 December 19, 1994 Drilling Hazards: Lost circulation zones: None Low pressure zones: None Over pressured zones: None Shallow gas zones: None Time Est. Preliminary Procedure: 2 1 1 2.5 4 2.5 16.5 1. MIRU, Leg #1, Conductor #5, Install 30" flow riser system. 2. Drill 17-1/2" hole to 18-5/8" csg point of+Il00'. 3. Open hole from 17-1/2" to a 24" section. 4. Run and cement 18-5/8" casing. Install 20" BOPE. 5. Drill 17-1/2" hole to 13-3/8" csg point +4500' (ROP 835') 6. Run and cement 13-3/8" casing. Install 13-5/8" BOP 7. Directionally drill 12-1/4" hole from approx 4500'-11050' (Top C-5). ROP--675 flxt (fL/4500'-7500') ROP=300 fpd (ff7500'-11050') KOP DLS Angle Range 1.5 1.5 7 4500' 3.00 0-36 8. Run open hole logs. 9. Run and cement 9-5/8" casing to 11050' MD. 10. Directionally drill 8-1/2" hole from 11050'-13020'. ROP=285'. KOP DLS Angle Range ±l171Y 5.5 36-72° 1.5 .75 1.5 .75 1 1.5 .5 i .5 1 11. Run open hole drill pipe conveyed logs. DIL-Phasor-GR-SP/LDT-CNL. 12. RIH, CCH for 7" liner. 13. Run and cement 7" liner from TD to 10,850' MD. 14. Clean out inside liner, change over to 3% KCL. 15. Run CET/GR log from ETD to TOC in 9-5/8" casing. 16. Install liner top packer & test "Draw-down" same. 17. Make up TCP guns / Kobe BHA and dual 3-1/2" tbg completion. 18. RIH w/Kobe BHA and dual 3-1/2" tbg completion. 19. Set BPV. Nipple down BOP's. Install wellhead. 20. Displace well to oil, detonate guns. Release rig & mm well over to production. 49.5 days total time Filename:anna~Procedur~nna50~P050.doc RECEi¥ D Gas Cons. Commission Anch0rz Depth Anna 5O Depth vs. Days -2 -4 -6 0 5 10 15 20 25 30 35 40 45 50 55 60 Days --" Anna #50 , EC'EJVED JAN -9 ~,~as_.i~ .~lt .& Gas Cons, ~~ -_' December 19, 1994 ANNA PLATFORM WELL # 5O GRANITE POINT (GP) PROPOSED COMPLETION COMPLETION DES CRIPTION 1) Dual 3-1/2" 9.2# L-80 SCBT 2) Kobe BHA F/?'-?' 3) 3-1/2 ....R" landing nipple @ ?' 4) 4-5/8" TCP guns ~ 4 spf F/?'-?' RKB = 127' 30" Structural Casing @ 292' RKB (88'BML) 8-5/8" 97# X-56 QTE60 Surface Casing ~ 1100' 13-3/8" 68# k-55 BTC Intermediate Casing (~ 4500' 9-5/8" 47# L-80 BTC Production Casing @ 11050' RECEIVED JAN -9 199,5 ~g~ U~i & Gas Cons. Commi~ID. tt gnchor~ : 7" 29# L-80 BTC Liner ~ 13020' 400 40o 4 .;' 0.75 ; ~d of H~d 0.75 ~2~ ~ 24~ ~ 32~ ~ 44~ ~ ' 680o 15.00 )8.00 21.00 ~ 24.0(i 7600 8400 _ 9200 960O 1O000 Structure : ANNA Platform Well · 50 Field : Granite Point Field Location : Cook Inlet, Alaska' Point iTie on End of Build End of Build ;End of Hold :End of Drop :KOP End of Build iTorget ;KOP Torget WELL PROFILE DATA L{D .nc. .~ir 'FVD North East Cea/1001 0 3.00 2.30 0 0 0 0.00, 500 3.00 .; OO 500 0 0 3.00 700 ' 50 2 :':' C,O 7(30 - 2 - i 0.75 950 '.50 210.$0 950 -8 -4 ,3.00: 1150 7.00 0 CO 1150 -10 -5 0.75' 4375 3.00 3, OO 4375 - 10 -6 0.00, 5574 25.98 132.30 5497 -255 264 3.00: 11049 25.98 132.30 9927 -2420 2642 0.00~ 117t.3 7~.56 121.39 10314 -2726 3070 5.50~ 13018 71.56 121.39 1077~ -3370 4126 3.00 o.oo E a s f - - > Z'C'0 0 300 600 900 I200 15OO !8CO 2100 2400 2rOD 3000 ~300 3600 3900 4200 '~500 I i ! f I I I i i I I I ; I I ; I : I I i I I ~ I ', ' ; 300 A-~ T/ C-5 RdECEIVED AN - 9 1995 A-50 T/ C-5 /2~___~ .Oil & Gas Cons. Commission 10800_ 400 O 400 SOO 1200 Scale 1 : 200.00 Vertical Section on 1,32,48 azimuth with reference 0,00 N, 0.00 W from slot i I i I / i I I I I ! I ; ' i ; 2000 2400 2800 3200 5600 4000 4400 4800 5200 SE00 i300 27OO 3300 Created by : jones For: P RYAN Dote plotted : 20-Dec-94 Plot Reference is A-50 Version Coordmotes ore in feet reference slot ~1-5. True Vertical Depths ore reference RKB. Baker Hughes INTEO --- UNOCAL ANNA Platform 50 slot #1-5 Granite Point Field Cook Inlet, Alaska CLEARANCE REPORT by Baker Hughes INTEQ Your ref : A-50 Version #3 Our ref : prop1114 License : RECEIVED JAN - 9 ~995 ~1 & Gas Cons. Date printed : 20-Dec-94 Date created : 12-Sep-94 Last revised : 20-Dec-94 Field is centred on n60 59 36.731,w151 18 33.112 Structure is centred on n60 58 44.738,w151 18 33.113 SLot Location is n60 58 37.500,w151 18 45.981 Slot Grid coordinates are N 2551407.101, E 266816.812 Slot local coordinates are 735.00 S 635.00 W Reference North is True North Main calculation performed with 3-D Minimum Distance method Object wellpath MSS <O-10400'>,,24,ANNA Platform GMS <O-11065'>,,MUCI3,ANNA PLatform GMS <0-10860'>,,26,ANNA Platform MSS <1972-9983'>,,4,ANNA Platform PGMS <0-10680'>~,28Rd,ANNA Platform PGMS <8162-9921'>,,28,ANNA Platform GMS <0-9844'>~27RdrANNA Platform MSS <7045-10077'>,,27,ANNA Platform PGMS <4100-11329'>,,32Rd,ANNA Platform GMS <O-11387'>,,32,ANNA Platform GMS <8000-13114'>,~3,ANNA Platform GCT Gyro <0-7969'>~3,ANNA Platform PMSS <7859 - ???'>,,3 Rd~I,ANNA Platform MSS <8786-8938'>,,35,ANNA Platform MSS <9045-9237'>,,35Rdl,ANNA Platform MSS <9565-12547'>,,35Rd2,ANNA Platform MSS <9634-10292'>,~35Rd3,ANNA Platform PGMS <0-10277'>,,35RdS,ANNA Platform MSS <11363-11930'>,,35Rd4,ANNA Platform MSS <0-10300'>,,25,ANNA Platform GMS <0-9950'>f,23RdtANNA Platform MSS <3281-10138'>,,23,ANNA Platform GMS <0-10225'>,,7Rd,ANNA Platform MSS <7440 - 10523'>,,7,ANNA PLatform MSS <2015-10803'>,,5,ANNA Platform MSS <7962-10700'>,,13,ANNA Platform PGMS <O-10302'>,,13Rd,ANNA Platform MSS <2020-10000'>,,19,ANNA Platform MSS <0-9455'>,,46~ANNA Platform CLosest approach with 3-D minimum distance method Last revised Distance 13-Ma'/-94 13-Ma'/-94 13-Ha'f-94 13-Ma'/-94 13-Ma'f-94 13-Ma'f-94 13-Ma'f-94 13-Ma',-94 13-Ma'/-94 13-Ma',-94 14-Nov-94 12-Dec-94 19-Dec-94 13-May-94 13-May-94 13-May-94 13-May-94 13-May-94 13-May-94 13-May-94 20-May-94 13-May-94 13-May-94 13-May-94 13-May-94 13-May-94 13-May-94 13-May-94 13-May-94 M.D. Diverging from M.D. 12.8 1400.1 1400.1 103.9 200.0 9780.0 84.9 500.0 500.0 63.0 2600.1 2600.1 4.0 400.0 9780.0 4.0 400.0 9780.0 11.6 100.0 650.0 11.6 100.0 650.0 52.2 2600.1 2600.1 52.2 2600.1 2600.1 5.1 0.0 0.0 5.1 0.0 0.0 5.1 0.0 9420.0 89.7 100.0 200.0 89.7 100.0 200.0 89.7 100.0 9220.0 89.7 100.0 200.0 89.7 100.0 9020.0 89.7 100.0 8680.0 79.2 100.0 10600.0 61.2 1300.1 1300.1 61.2 1300.1 9780.0 4.1 500.0 9340.0 4.1 500.0 500.0 §2.1 100.0 9780.0 81.7 880.0 11300.0 81.7 880.0 9700.0 93.2 780.0 6100.0 92.5 1125.0 1600.1 GMS <0-10480'>,,29, ~ Platform PGMS <O-10575'>,,21,h,NA Platform MSS <9180-11455'>,,33,ANNA Platform MSS <4033 - 10400'>,,39Rd,ANNA Platform MSS <3631-9270'>,,39,ANNA Platform PGMS <0-11135'>,t36,ANNA Platform GMS <0-10674'>,,17,ANNA Platform PGMS <0-11453'>t,38,ANNA Platform MSS <3225-10330'>,,15,ANNA Platform PGMS <0-11741'>,,37,ANNA Platform MSS <1957-12303'>,,9,ANNA Platform MSS <0-10264'>,t11,ANNA Platform PMSS <3269 - 10856'>,,11Rd~1~ANNA Platform A-52 Version #3,~52,ANNA Platform A-51 Version #3,t51,ANNA Platform 13-May-94 13-May-94 13-May-94 13-May-94 13-May-94 13-May-94 13-May-94 13-May-94 13-May-94 13-May-94 13-May-94 24-0ct-94 5-Dec-94 20-Sep-94 20-$ep-94 105.0 112.5 110.6 55.7 55.7 68.2 71.3 64.2 40.4 51.0 110.6 11.2 11.2 8.6 10.2 .1 ~vJ.O 100.0 920.0 920.0 400.0 100.0 500.0 940.0 700.0 200.0 200.0 200.0 200.0 500.0 7300.0 650.0 8791.0 920.0 920.0 7820.0 6340.0 10100.0 6400.0 700.0 200.0 200.0 4425.0 4000.1 2300.1 RECE]VED jAN - 9 1995 Uti & Gas Cons. Commission Armhor,: 3reo~ed ~,' : jones Dote Dior. Eeo : 20-Dec-94 =!at Reference is A--50 Version #3. 3ooroinates ore in feet reference slot #1--5. -~ue V'e~,.cc: Depths ore reference RKB. --- Baker Hughes INTEO --- UNOCA Structure : ANNA Platform Field : Granite Point Field Well: 50 Location : Cook Inlet, Alaska I I V ~o,~ ~: ~.oo E a s f - - > 80 50 40 30 20 ~0 $ '0 23 30 40 5060 70 80 70 '$0 ~;O ~20 'JO !40 150 70 i II f I I I J i j : i : : ~ i I I I I I I i : I : i I i :.: ', J I i 70 I X / ' ! / ~ / ~ L ~O J ~ J~ ' 50 ~20 tl~ 2~ 120 ! I I I ~ ' '. *<~ ~ ~-I ' ~ I I I I I I I i : ~ I ! · i I II II I I I I ' ; ~ i i ; ~ ] I I i i I I ~ 50 40 30 20 10 O 10 ZO ~0 40 ~ 6D 70 50 90 '33 1 I0 120 ]O ~40 150 .oo E a s t -- > O I I V Created by : :Date plotted : 2C-Dec-;~' Plot Reference is ;.-50 ,ersior, f3. iCoordinates are ip feet ~eference slot ~1--5. iTrue Vertical Depths are referer~ce RKB. ---- Baker Hughes INTEQ UN®CAL Structure · ANNA Platform Well : 50 Field : Granite Point Field Location : Cook Inlet, Alaska~ -:0.:,: East ----> - 23 ' .~3220 248 280 320 .360 400 ~'40 480 520 5~.2 600 640 68(] 720 -5,3 SOD 840 880 920 ~ II I i [: ' ~ I [ I ~ : I ; ! i I I I I I ; I I i I I I I I J?~ ~ ~ ~~ ~ -.._. '~~0 ~o~ - ~ '-.. ~ ~~ - I 4-160 i I 7201 8~o~ ' 23 '&3 2CO 2~ 280 320 36D 4~ ~ 4 0 5 0 I / ; I I I I I I 600 640 680 720 '\",,,, 7~ 800 840 880 920 960 DEPTH UNOCAL ANNA PLATFORM WELL #50, #51, & #52 +/- 1100' CASING SIZE 18-5/8" HOLE SIZE 17-1/2" OPEN HOLE 24" MUD TYPE F.I.W. / GENERIC MUD #2 ANTICIPATED MUD PROPERTIES Notes: Mud Density Funnel Viscosity Plastic Viscosity Yield Point Gels Fluid Loss API pH 8.8 - 9.4 ppg 45 - 100 sec/qt 10 - 15 cps 10 - 30 # / 100 ft2 8 - 20 N.C. 8.5 - 9.5 Use bentonite prehydrated in freshwater and filtered Inlet water. DEPTH +/- 4500' CASING SIZE 13 -3/8" HOLE SIZE 17-1/2" MUD TYPE F.I.W. / GENERIC MUD #2 ANTICIPATED MUD PROPERTIES Mud Density Funnel Viscosity Plastic Viscosity Yield Point Gels Fluid Loss AP1 pH 9.0 - 9.6 ppg 40 - 70 sec/qt 10 - 15 cps 10 - 20 # / 100 ft2 6- 12 N.C. 8.5 - 11.0 Notes: Treat for cement contamination. DEPTH +/- 11050' CASING SIZE 9-5/8" HOLE SIZE 12-1/4' MUD TYPE F.I.W./GENERIC MUD #2 (with PHPA) ANTICIPATED MUD PROPERTIES Mud Density 9.5 - 10.5 ppg Funnel Viscosity 40 - 60 sec/qt Plastic Viscosity 10 - 15 cps Yield Point 10 - 25 # / 100 fl2 Gels 4- 12 Fluid Loss API 8 HPHT Fluid Loss 20 Notes: Build new PHPA Generic Mud #2. 9-5/8" X 13-3/8' ANNULUS MAY BE USED TO PUT AWAY MUI) AND DRILLING WASTE FROM DRILLING RIG. DEPTH +/- 13020' LINER SIZF. 7' HOLE SIZE 8-1/2" MUD TYPE F.I.W./GENERIC MUD #2 (with PHPA) ANTICIPATED MUD PROPERTIES Mud Density 9.5 - 10.5 Funnel Viscosity 45 - 80 sec/qt Plastic Viscosity 10 - 15 cps Yield Point 15 - 30 # / 100 ft2 Gels 6- 12 AP1 Fluid Loss 5 HPHT Fluid Loss 10 Notes: Treat for cement contamination. Increase yield point and gels in high angle section. Add lubricants for torque and drag. FLOW ?iLL-VP ------]:~ ~ ~ .:.NNUL,LR . BOP . 2DOO ssi 3NERTER ' SPOOL I £~'3000 ps~i . --DIVERTER SPOOL BliND FLANGt DURING BOP OPERATIONS _-- !PE RAMS £,,$.'%'i' 3000 sst ~ n~, 5[LND KAMS --> ~Oa~Lp,~ CHOKE ~-t0M '~ : i '~ ~ 4" t0M GATE VALES [ F~E ~S ~ GATE VALVES ~ZBO00 pm j ~o~ RECEIVED 3~0 pm JAN - 9 ~995 Gas Cons. Commission ~chor~ CHAKACHATNA RIG 428; BOP/DIVERTER STACK 21 'q' 2000psi/20%" 3000psi F!!l ~ FLO~ ANNULAR BOP 13%"5000 ( ~ PIPE RAMS . ~ 13~'ff'5000 · 3"- :,_0M ;; BLIND,. RAMS ~r~ T -- MANUAL i DRII.I,!NG; biANUAL i~i~ ~ ~ ~ ' SPOOL LINE ~~~s~sooo p~~ CHOKE 13~5000 psi RISER 5000 RECEIVED JAN - 9 1995 0il & Gas Cons. Comm/sslor~ Anchor: CHAKACHATNA RIG 428. BOPE STACK 13 ~/." 5'000 psi JAN -.9 Aiask~. Oil & Gas Con~. Com~issioi~ Anchor~. 15blJLD 1~l:4~ Y!l'.'ff '!')'!~ l!!~_'!'l! I'.',I:F!' ~ItOWN ON NORTIIH, I.ST 1.1£'(; ! l, _o,,,~, ,o, i t . ' ..... ~,,, 1- ~ ," 1._ ~ ,' III g ~ ............ ~ ~, ,~.~ .... ~._E~ ................ %, -__ ~A., H I .,~ ~ ~ ". fl[ ~ ~ .~ ..... ~ '~ ............. ........ ~ ......................................... ,,"ECEIVE I f. (;L HP 1 LI II IIN(;S JAN - 9 1995 ~il & Gas Cons. Commi~n ANNA PLATFORM WELL # 50 GRANITE POINT (GP) ROTARY KELLY BUSHING (RKB) Elev. 127' DRILL DECK LEVEL Elev. 87' PRODUCTION DECK LEVEL Elev. 69' SEA LEVEL (MLV~) Elev. 0' MUD LINE Elev. -77' 30" Structural Casing ~ 292' RKB (88'BML) 18-5/8" 97# X-56 QTE60 Surface Casing (~ 1100' 13-3/8" 68# k-55 BTC Intermediate Casing ~ 4500' 9-5/8" 47# L-80 BTC Production Casing ~ 11050' RECEIVED JAN -9 1995 Aiaska. Oil & Gas Cons. Commission Anchor: 7" 29# L-80 BTC Liner ~ 13020' II II II ! --¢rfl'y ...... · V¢ ' ~, VEHT OLrI$1DE OF' WlNDW,4LLS FLAN(;E PANIC LINE 4' 5,000 PSi HUB BLIND HUB BUNO WlLLIS AI3fl. TE5T POR1 VENT UP DERRICK 3' RELJET VALV~ SET AT 4O PSI HUB COt~NECTiON BUFF~ TANK :UUD ~ S~PER~T~R SIPHON LINE ! 50 lb. FLAHCE I ro sH,~ -flu I0,000 PS/ lifO. CHOKE \ TO PRO~UCTiO~I SEPARATOR 8' IdUO RE{URN LINE UNO~J. C~OKE IANVlFOLB D#~ ~-1:12592 UI, K)CAL. OK)K][ MANIFOLD fOR INEORNA 1 lui't ', ONLy hlAfl 24 1994 PRESSURE: RISI~RS LAYOLq 0M~'TER STACK AND BOP STAC~ P, kk RIO ,428 ' CASING DESIGN WELL: ANNA #50 FIELD: GRANITE POINT DATE: 16-Dec-94 1. MUD WT. I 8.8 PPG 2. MUD WT. II 9.4 PPG 3. MUD WT. III 9.3 PPG DESIGN BY: P.A. RYAN M.S.P. 385 psi 819 psi 966 psi INTERVAL DESCRIPTION CASING SIZE BOTTOM TOP LENGTH WT. GRADE THREAD 18-518" 1100 69 1031 97 X-52 QTE-60 TVD 11 O0 69 13-3/8" 4500 69 4431 68 K-55 BTC TVD 4500 69 9-518" 11050 69 10981 47 L-80 BTC TVD 9928 89 7". .. ~.13020 ' 10850 !. 2170 29 L-80 BTC TVD 10729 9728 TENSION MINIMUM WEIGHT TOP OF STRENGTH W/O BF SECTION TENSION LB__~S LB~S 1000 LBS 100007 100007 1594 301308 301308 1069 516107 516107 1086 82930: 62930 676 COLLAPSE COLLAPSE PRESS {~ RESIST. BOTTOM TENSION TDF PSI___.~* PS~I 15.94 315 960 3.55 1287 1950 2.10 2839 4750 10,74 ~ 3O68 7O2O NOTES: See attached for calculation of M.S.P. including assumptions & estimates. * Collapse pressure is calculated; Difference between two cement slurries (i.e. Avg of a 15.8 ppg (tail) & 12 ppg (lead) = 14 ppg, subtract a mud of 9.5 ppg = 5.5 ppg = .286 psi/ft gradient X TVD of the csg string). ** Burst pressure is calculated; (BHP @ depth next csg X TVD next csg) X (0.5 half evacuated). BURST MINIMUM PRESSURE YIELD CD.__.~F PSI** PS~I BD_._.~F 3.05 1013 2630 2.60 1.52 2234 3450 1.54 1.67 2414 6870 2.85 2.29 2414 8160 3.38 RECEIVED JAN - 9 I99~ u~i & Gas Cons, C°r~rnbsiot~- ~Chor~ Anna Platform Well # 50 Granite Point (GP) December 16, 1994 Hole Section 1 Depth Interval: 0 - 1100' 17-1/2" & 24" hole size 18-5/8" casing to 1100' Mud Weight: Shoe depth (18-5/8"): Est. fracture gradient of 18-5/8" shoe: BHP gradient: 8.8 ppg = 0.46 psi/ft. 1100' MD / 1100' TVD 0.90 psi/ft. 0.35 psi/ft The maximum surface pressure cannot exceed the maximum bottom hole pressure; MSP = 1100' x 0.35 psi/ft. = 385 psi Hole Section 2 Depth Interval: 1100' - 4500' 17-1/2" hole size 13-3/8" casing to 4500' Mud Weight: Shoe depth (13-3/8"): Est. fracture gradient of 13-3/8" shoe: Depth of next hole section (12-1/4"): BHP gradient: Gas gradient (assume worst case) 9.4 ppg = 0.49 psi/ft. 4500' MD / 4500' TVD 0.80 psi/ft. 11050' MD / 9928' TVD 0.45 psi/ft 0.0 psi/ft. Gas kick situation in the wellbore, assume; 3/4 mud & 1/4 gas. MSP = BHP - Hydrostatic Pressure MSP = BHP - (3/4 mud + 1/4 gas) MSP = (9928' x 0.45 psi/ft) - ((0.75 (9928' x 0.49 psi/ft)) + (0.25 (9928' x 0.0 psi/ft.))) MSP = 819 psi Therefore, the hydrostatic pressure at the 13-3/8" shoe (HPsh) is the greatest when the gas (kick) bubble reaches the 13-3/8" shoe, ifa constant BHP is applied. A conservative estimate would be the MSP plus the hydrostatic pressure at the 13-3/8" casing depth (HPcsg). HPsh = MSP + HPcsg HPsh = 819 + (4500' x 0.49) HPsh = 3024 psi This (HPsh = 3024 psi) is less than the fracture pressure at the same shoe (FPsh) and thus adequate to handle the well kick scenario. HPsh = 3024 psi < FPsh = 0.80 psi/ft x 4500' = 3600 psi. Anna Platform Well #50 Pressure Calculations Hole Section 3 Depth Interval: 4500'- 11050' 12-1/4" hole size 9-5/8" casing to 11050' Mud Weight: Shoe depth (9-5/8"): Est. fracture gradient of 9-5/8" shoe: Depth of next hole section (8-1/2"): BHP gradient: Gas gradient (assume worst case) 9.3 ppg = 0.48 psi/ft. 11050' MD / 9928' TVD 0.85 psi/ft. 13020' MD / 10729' TVD 0.45 psi/ft 0.0 psi/fi. Gas kick situation in the wellbore, assume; 3/4 mud & 1/4 gas. MSP = BHP - Hydrostatic Pressure MSP = BHP - (3/4 mud + 1/4 gas) MSP = (10729' x 0.45 psi/fO - ((0.75 (10729' x 0.48 psi/ft)) + (0.25 (10127' x 0.0 psi/ft.))) MSP = 966 psi Therefore, the hydrostatic pressure at the 9-5/8" shoe (HPsh) is the greatest when the gas (kick) bubble reaches the 9-5/8" shoe, ifa constant BHP is applied. A conservative estimate would be the MSP plus thc hydrostatic pressure at the 9-5/8" casing depth (HPcsg). HPsh = MSP + HPcsg HPsh = 966 + (9928' x 0.48 psi/fl) HPsh = 5731 psi This (HPsh = 5731 psi) is less than the fracture pressure at the same shoe (FPsh) and thus adequate to handle the well kick scenario. HPsh = 5731 psi < FPsh = 0.85 psi/fl x 9928' = 8439 psi. Additionally, HPsh - Pore Pressure at shoe < Internal Yield of the 9-5/8" casing 5731 - (9928' x 0.45 psi/ft) < 6870 psi 1263 psi < 6870 psi Filename:AOGCCXAn50calc.doc Well # Date Baker Platform Ba 28 10-10-93 Ba 30 10-24-93 Ba 30 10-28-93 Ba 28 11-1%93 Ba 29 12-17-94 Ba 29 12-29-93 Ba 30 01-27-94 Ba 28 03-01-94 Grayling Platform G-40 01-24-90 G40 Monopod Platform A-lrd 04-04-91 A-8rd 07-01-89 A-20rd 03-30-90 A-20rd 04-13-90 A-28rd 11-20-89 A-28rd I 1-27-89 Granite Point Platform 11-13rd 02-14-92 51 08-07-92 51 07-28-92 51 08-25-92 50 05-27-92 50 06-04-92 50 06-27-92 Dillon Platform Leak Off Test (LOT) Data Cook Inlet, Ala_~ka Revised December 19, 1994 Unocal Energy Resources Alaska Csg Size Shoe Depth (TVD) Frac Grad. (psi/ff.) EMW 24" 802' 0.94 18.10 24" 803' 0.83 15.90 18-5/8" 2011' 0.94 18.10 18-5/8" 2135' 0.75 14.50 18-5/8" 2054' 0.76 14.61 13-3/8" 5869' 0.85 16.33 13-3/8" 5467' 0.93 17.96 13-3/8" 3509' 0.75 14.40 16" 1926' 0.96 18.46 13-3/8" 4977' 0.86 16.54 9-5/8" 1132' 1.07 20.57 9-5/8" 3760' 1.02 19.61 13-3/8" 755' O. 95 18.20 9-5/8" 1931' 0.85 16.30 20" 240' 0.75 14.42 13-3/8" 1140' 0.97 18.65 9-5/8" 9966' 0.96 18.40 13-3/8" 3803' 1.00 19.20 18-5/8" 1010' 0.87 16.80 9-5/8" 9592' 1.05 20.20 18-5/8" 982' 0.91 17.50 13-3/8" 4208' 0.84 16.20 9-5/8" 9877' 0.93 17.90 1.12 0.82 NA 1.01 0.83 NA 1.02 0.80 16 04-22-94 18-5/8" 1131' 16 06-16-94 13-3/8" 3640' 16 07-04-94 9-5/8" 9469' 17 tM-27-94 18-5/8" 1142' 17 05-01-94 13-3/8" 3560' 17 05- 9-5/8" 9213' 18 07-26-94 18-5/8" 1132' 18 08.01-94 13-3/8" 3988' 21.72 15.80 14.2 (FIT) 19.47 15.90 16.5 (FIT) 19.63 15.3 Leak Off Test (LOT) Data Page 2 Anna Platform 1 lrd 1 lrd 3rd Notes: 10-23-94 13-3/8" 2976' 0.89 11-11-94 9-5/8" 8750' 0.92 12/10/94 9-5/8" 7839' 0.75 All fracture gradients reported have been corrected for air and water gaps. (FIT) Formation Integrity Test Filename AOGCCkLotdata. doc 17.2 17.7 (FIT) 14.5 // fELL PERMIT CHECKLIST G~.on m~ ~.~ UNmT# PROGRAM: exp [] dev~ redrll [] serv [] ON/OFF S~ORE (D~ ADMINISTRATION ENGINEERING APPR 1. Permit fee attached ................... Y~ N 2. Lease number appropriate ............... ~!~ N 3. Unique well name and number .............. i~~ N 4. Well located in a defined pool ............ N 5. Well located proper distance from drlg unit boundary. N 6 Well located proper distance from other wells. ' 7. Sufficient acreage available in drilling unit ...... Y 8. If deviated, is wellbore plat included ........ Y~ 9 Operator only affected party ............. 10. Operator has appropriate bond in force .......... Y N 11. Permit can be issued without conservation order .... 12. Permit can be issued without administrative approval. 13. Can permit be approved before 15-day wait ....... N 14. 15. 16. 17. iS. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. Conductor string provided ............... ~ N Surface casing protects all known USDWs ........ .y~ N CMT vol adequate to circulate on conductor & surf csg.. CMT vol adequate to tie-in long string to surf csg . . . CMT will cover all known productive horizons ...... ".~ N Casing designs adequate for C, T, B & permafrost .... ~ N Adequate tankage or reserve pit ............. ~ N If a re-drill, has a 10-403 for abndnmnt been approved. Adequate wellbore separation proposed ......... i~ N~ If diverter required, is it adequate .......... N Drilling fluid program schematic & equip list adequate N BOPEs adequate ..................... ~ N BOPE press rating adequate; test to 5c~D/~psig.~ N Choke manifold complies w/API RP-53 (May 84) ....... ~ Work will occur without operation shutdown ....... ~ N Is presence of E2S gas probable ............. Y ~ GEOLOGY 30. Permit can be issued w/o hydrogen sulfide measures .... Y 31. Data presented on potential overpressure zones ..... 32. Seismic analysis of shallow gas zones .......... 33. Seabed condition survey (if off-shore) ........ /Y N 34. Contact name/phone for weekly progress reports . . ./ . Y N [exploratory only] GEOLOGY: ENGINEERING: COMMISSION: Comments/Instructions: TAB HOW/lo - A:~FORMS~cheklist rev 03/94