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185-182
Schlumberger Alaska Data & Consulting Services 2525 Gambell Street, Suite 400 Anchorage, AK 99503-2838 ATTN: Beth Well . MPI-09 MPI-09 .ÁÙQ - (\"..) J .__ ~I~!!~T-:: OiL~ I NK-08A lj NK-08A 18-34 ,,,ç... i6¥ 04-05A i <¡,~ .. 13 k 18-05Al Ç, ). - .2.. t c¡ 07 -36 i q 7 - { ~ 'I 14-36 / E J .. I (.3 C-13A Ie¡ 7 - i '-í J U-12 185--1 j)... R-21 ¡ S3 -. J l.. tJ R-12 í9'3-· OJ)" E-16 lSC ~ ð' J J-23 I '8 7... C J I - 15-7 F-31 I...~ <.: - , H-35 G ') - j l.( q- Job# 10563225 10980572 10772241 10560316 10703956 10564525 10703939 10563112 10866557 10564527 11075900 10674388 10687647 10564529 10663003 10703943 10563217 10563216 Log Description INJECTION PROFILE INJECTION PROFILE INJECTION PROFILE PSP GLS PPROF W/DEFT PSP LDL PRODUCTION PROFILE LEAK DETECTION LOG LEAK DETECTION LOG INJECTION PROFILE MEM PROD & INJECTION PROFILE LDL PRODUCTION PROFILE PSP PPROF W/GHOSTIDEFT PRODUCTION PROFILE SBHP SURVEY SBHP SURVEY PPROF W/GHOST PLEASE ACKNOWLEDGE RECEIPT BY SIGNING AND RETURNING ONE COPY EACH TO: BP Exploration (Alaska) Inc. Petrotechnical Data Center LR2-1 900 E. Benson Blvd. Anchorage, Alaska 99508 Date Delivered: ) ( ;{ÀV(.lV) ì f'\... .- ~~ (,"{') -. '- ~CI,~NNED SEP Date 10/05/03 06/09/05 04/04/04 10/22/03 11/27/03 09/27/03 10/24/03 10/13/03 07/14/04 09/29/03 07/05/05 10/27/07 09/20/03 10/01/03 03/10/04 10/28/03 09/28/03 09/27/03 o H {:005 07/20105 \ Cb G ...\'b ~ NO. 3438 Company: State of Alaska Alaska Oil & Gas Cons Comm Attn: Helen Warman 333 West 7th Ave, Suite 100 Anchorage, AK 99501 Field: Prudhoe Bay BL 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 Color CD Alaska Data & Consulting Services 2525 Gambell Street, Suite 400 Anchorage, AK 99503-2838 A TTN: Beth ,iJ I I :s j Received by: lj~ ~. ~ ~' L.f r7, /1 ¡! ¡ I .. i j v~" ,-.. n ., '"SI 1a. Well Status: D Oil DGas D Plugged II Abandoned D Suspended DWAG A~$~itÄ1l~" "v..~" 20AAC 25.105 20AAC25.110 II Develop_O~~xploratory DGINJ DWINJ D WDSPL No. of Completions Zero Other D Stratigraphic D Service 2. Operator Name: 5. Date Comp., Susp., or Aband. 12. Permit to Drill Number BP Exploration (Alaska) Inc. 01/15/1999 185-182 304-296 3. Address: 6. Date Spudded 13. API Number P.O. Box 196612, Anchorage, Alaska 99519-6612 08/05/1985 50- 029-21409-00-00 4a. Location of Well (Governmental Section): 7. Date T.D. Reached 14. Well Name and Number: Surface: 08/24/1985 PBU U-12 .-' 463' NSL, 2276' WEL, SEC. 18, T11 N, R13E, UM 8. KB Elevation (ft): 15. Field / Pool(s): Top of Productive Horizon: 4484' NSL, 282'WEL, SEC. 13, T11N, R12E, UM 77.42' Prudhoe Bay Field / Prudhoe Bay Pool Total Depth: 9. Plug Back Depth (MD+ ND) 4832' NSL, 459' WEL, SEC. 13, T11N, R12E, UM 10503 + 8589 Ft 4b. Location of Well (State Base Plane Coordinates): 10. Total Depth (MD+ND) 16. Property Designation: Surface: x- 631718 y- 5961039 Zone- ASP4 11280 + 9142 Ft ADL 047451 TPI: x- 628696 y- 5965008 Zone- ASP4 11. Depth where SSSV set 17. Land Use Permit: Total Depth: x- 628513 y- 5965353 Zone- ASP4 N/A MD 18. Directional Survey 19. Water depth, if offshore 20. Thickness of Permafrost DYes II No N/A MSL 1900' (Approx.) 21. Logs Run: DIL / SFL, Cyberlook, Poro LDT / CNL, BHCS, Raw LDT / CNL, CBL 2. CASING, LINER AND (,EMENTING RECORD CAsiNG" "",'~ ,,' E'i 'M " , t'IOœ' ' ,' '"i"',",,,!:,',"',,",:" ,;,,' i",,',~", 7'7 ,AMOUNT SIZE WT. PER FT, ,GRADE Top IBOTTOM Top BoTTOM SIZE CEMENTING RecoRD PULLED 20" x 30" Insulated Conductor Surface 110' Surface 110' 36" äcuvds Concrete 13-3/8" 72# L-80 Surface 2674' Surface 2674' 17-1/2" 3719 cu ft Cold set III & II 9-5/8" 47# L-80 Surface 1 0680' Surface 8717' 12-1/4" 2056 cu ft Class 'G', 230 cu ft 'G' 7" 26# L-80 10415' 11280' 8525' 9142' 8-1/2" 290 cu ft Class 'G' 23. Perforations op'en to Production (MD + ND of Top- and 24. TUBING RECORD Bottom Interval, Size and Number; if none, state' none"): SIZE DEPTH SET (MD) PACKER SET (MD) None 4-1/2", 12.6#, L-80 10100' - 10467' 10353' MD ND MD ND """,! i¡~"~,JíJ;";. .¡¡ETC. " DEPTH INTERVAL (MD) AMOUNT & KIND OF MATERIAL USED ,~ 10503' P&A with 20 Bbls Class 'G' " I ~ 9930' Iset EZSV with Whipstock on Top /' \\) 26. PRODUCTION TEST Date First Production: Method of Operation (Flowing, Gas Lift, etc.): Not on Production N/A Date of Test Hours Tested PRODUCTION FOR Oil-Bel GAs-McF WATER-Bel CHOKE SIZE I GAS-Oil RATIO TEST PERIOD + Flow Tubing Casing Pressure CALCULATED + Oil-Bel GAs-McF WATER-Bel Oil GRAVITY-API (CORR) Press. 24-HoUR RATE 27. CORE DATA Brief description of lithology, porosity, fractures, apparent dips and presence of oil, gas or water (attach separate sheet, if necessary). Submit core chips; if none, state "none". None ORIGINAL (,f:- ~A~ - Form 10-407 Revised 12/2003 CONTINUED ON REVERSE SIDE ,~"V '""'-... A ~ ~ STATE OF ALASKA ~ ALASKA - ,,-AND GAS CONSERVATION COMI\. -'ION t:2ECE\VED WELL COMPLETION OR RECOMPLETION REPORT AND LC:tG' (\2004 OC11.i . 'on ~ \c¡Ð ~v, ~ ~ 28. GEOLOGIC MARKERS 29. fORMATION TESTS NAME MD ND Include and briefly summarize test results. List intervals tested, and attach detailed supporting data as necessary. If no tests were conducted, state "None". Sag River 10715' 8742' None Shublik C 10849' 8838' Sadlerochit I Zone 4 10882' 8862' 30. List of Attachments: Summary of Pre-Rig Work and Daily Drilling Reports 31. I hereby certify that the foregoing is true and correct to the best of my knowledge. Signed Terrie Hubble Title 185-182 304-296 Technical Assistant Date JÓ~/B-o PBU U-12 Well Number Permit No. I A roval No. INSTRUCTIONS Prepared By NamelNumber: Drilling Engineer: Terrie Hubble, 564-4628 Dave Wesley, 564-5153 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 1a: Classification of Service Wells: Gas Injection, Water Injection, Water-Alternating-Gas Injection, Salt Water Disposal, Water Supply for Injection, Observation, or Other. Multiple completion is defined as a well producing from more than one pool with production from each pool completely segregated. Each segregated pool is a completion. ITEM 4b: TPI (Top of Producing Interval). ITEM 8: The Kelly Bushing elevation in feet above mean low low water. Use same as reference for depth measurements given in other spaces on this form and in any attachments. ITEM 13: The API number reported to AOGCC must be 14 digits (ex: 50-029-20123-00-00). ITEM 20: True vertical thickness. ITEM 22: Attached supplemental records for this well should show the details of any multiple stage cementing and the location of the cementing tool. ITEM 23: If this well is completed for separate production from more than one interval (multiple completion), so state in item 1, and in item 23 show the producing intervals for only the interval reported in item 26. (Submit a separate form for each additional interval to be separately produced, showing the data pertinent to such interval). ITEM 26: Method of Operation: Flowing, Gas Lift, Rod Pump, Hydraulic Pump, Submersible, Water Injection, Gas Injection, Shut-In, or Other (explain). ITEM 27: If no cores taken, indicate "None". ITEM 29: List all test information. If none, state "None". Form 10-407 Revised 12/2003 Submit Original Only ~ ~ Well: Field: API: Permit: U-12A Prudhoe Bay Unit 50-029-21409-01-00 204-147 Accept: Spud: Release: Rig: 08/25/04 09/02/04 09/19/04 Nabors 7ES PRE-RIG WORK 01/15/99 MIRU CAMCO CTU #4932. BULLHEAD WELL WITH 2% KCL. RIH WITH 2" COMBO NOZZLE. COULD NOT PASS GLM #5. POOH. ADD ADDITIONAL STINGER. RIH TO 10,470' AND PERFORM INJECTIVITY TEST. RIH AND DRY TAG BOTTOM AT 1 0' PUH TO 10,890' AND ATTEMPT TO ESTABLISH CIRCULATION. NO RETURNS TO SURFACE. PU 20 LS CLASS G CEMENT. LAY CEMENT FROM 10,890' TO 10,700'. --- CLOSE CHOKE. CONTINUE G IN CEMENT WHILE TRYING TO ATTAIN INITIAL SQUEEZE PRESSURE. LAY IN CEMENT TO 10,214'. ~ TO SAFE. HESITATE. PUMP DOWN COIL ...WELL APPEARS TO BE DRINKING. HESITATE AGAIN. OPEN CHOKE AND ATTEMPT TO ESTABLISH CIRCULATION WITH NO SUCCESS. PUMP DOWN BACKSIDE TO FLUSH LOWER TUBING AND TAILPIPE OF CEMENT. ATTEMPT TO CIRCULATE AGAIN, BEGAN GETTING FLUID RETURNS THEN GAS. TOOK 'KICK', POSSIBLY FROM IA GAS. SI BACKSIDE. WHP BUILT TO 600 PSIG. BLED GAS THROUGH CHOKE TO FLOWLINE WHILE PUMPING DOWN COIL. NO ADDITIONAL FLUID RETURNS. ESTABLISHED INJECTION DOWN COIL WHILE POH. WILL FLUID PACK IA AND ATTEMPT SECOND SQUEEZE. SET BACK FOR THE EVENING. SIWHP = 425 PSIG. 01/16/99 RU HB&R. BEGIN FLUID PACKING IA. AT 217 BBLS AWAY, IA PRESSURED UP TO 2500 PSIG. RU CAMCO. OPEN SWAB AND FOUND 2350 PSIG WHP. IA IN DIRECT COMMUNICATION. BLED DOWN TUBING THROUGH CHOKE TO FLOWLINE, lAP TRACKED. CONTINUE FLUID PACKING IA AND FREEZE / PROTECTED WITH DIESEL TAKING RETURNS UP TUBING. WELL IS FLUID PACKED AND DEAD. PRESSURE TESTED 'SQUEEZE' TO 1500 PSIG FOR 30 MIN. - JUG TIGHT. RIH WITH COMBO NOZZLE. SAT DOWN AT 10,173' (IN TUBING PATCH). PUH. BEGIN PUMPING DOWN COIL TAKING RETURNS TO TANK. RIH JETTING THROUGH SHORT OBSTRUCTION. CONTINUE RIH JETTING THROUGH TAIL. DECREASE RATE. SAT DOWN AT 10,500'. PUH. INCREASE RATE, RIH JETTING TO 10,503'. SET DOWN 4000#. HARD BOTTOM. NO ADDITIONAL HOLE MADE. PUMP 27 BBL BIOZAN PILL AND CHASE TO SURFACE. INJECTOR PROBLEMS ENCOUNTERED WHILE POH AT 8965'. REPAIRED INJECTOR AND CONTINUE OOH. FREEZE PROTECTED TUBING WITH METHANOL TO 2000'. FREEZE PROTECTED FLOWLINE WITH 25 BBLS METHANOL. RD CAMCO. TOC IS AT 10,503' CTMD. CEMENT PLUG HELD 1500 PSIG PRESSURE TEST. 07/23/03 DRIFT WI 3.775 CENT TO 10121' SLM. START RIH WI PDS CALIPER. 07/24/03 CALIPER TUBING (GOOD DATA). ATTEMPT TO SET PXX PLUG (CEMENT ON TUBING WALLS). BROACH 2 718" LINER FROM 10150' SLM TO 10325' SLM. 07/25/03 BRUSH AND FLUSH. PXX PLUG SET @ 10,297'MD, PLUG BODY 24" LONG. PRONG = 40" LONG WI 13/8" FN. SIP=700 PSI. FLUID LEVEL AT SURFACE WHEN PLUG WAS SET. DID NOT GET A TEST ON PLUG- WELL HAS T X IA X OA COMMUNICATION. 10/21/03 PULL TTP @ 10307' SLM. TURN WELL OVER TO DSO. 10/26/03 LEAK DETECT LOG WITH WARMBACKS - DEPTH REFERENCED TO WA PPROF DATED 17-JAN-96. TAGGED TD AT 10435'. PRIMARY OBJECTIVE TO DETERMINE IF U-12 HAS A PC LEAK(S). SECOND OBJECTIVE TO DETERMINE CEMENT PLUG INTEGRITY. BASELINE TEMP PASS LOGGED DOWN 120 FPM WELL SHUT-IN. LRS START PUMPING DOWN IA WITH 75 DEG F CRUDE WITH RETURNS TO FORMATION.35 BBLS TO CATCH FLUID. AT 70 BBLS AWAY START LOGGING MAIN PASS UP AT 80 FPM. PULLED HEAVY OFF BOTTOM AND WORKED FREE. TOTAL FLUID PUMPED: 188 CRUDE, 17 DIESEL, 17 ~ U-12A, Pre-Rig Sidetrack Suml Page 2 ~ MEOH. CASING LEAK FIELD PICKED AT APPROX 5300' WITH PROBABLE CROSS FLOW. DOWN FLUID MOVEMENT IN TUBING FOUND ABOVE 8980'. EXISTENCE OF PRODUCTION CASING LEAK AND CEMENT PLUG INTEGRITY INCONCLUSIVE. STOP COUNT DEPTHS REFERENCED TO TOOL ZERO. FURTHER LOG ANALYSIS INDICATED A PRODUCTION CASING LEAK. 08/13/04 DRIFTED W/3.70 CENT - TAG 2 718 LINER @ 10,097' SLM. 08/18/04 CHEM CUT 41/2" TUBING @ 10,100'. TOOLS STUCK WHILE PULLING OUT OF HOLE AT 1700'. WAITING ON PUMP TRUCK TO PRESSURE TUBING. PUMPED 45 BBLS DIESEL TO FREE UP WIRE. 08/19/04 PUMPED 8.7 BBLS DIESEL TO FREE UP WIRE. FWHP'S=700/40010. T/I/O= 560/510NAC. TBG FL, IA FL (PRE RIG). TBG FL @ SURFACE, IA FL @ 246' (14 BBLS). RETRIEVED 3.625" CHEMICAL CUTTER. WELL SHUT IN. ~. ~ BP EXPLORATION Page 1 .. Operations Summary Report " Legal Well Name: U-12 Common Well Name: U-12 Spud Date: 8/5/1985 Event Name: REENTER+COMPLETE Start: 8/24/2004 End: 9/19/2004 Contractor Name: NABORS ALASKA DRILLING I Rig Release: 9/19/2004 Rig Name: NABORS 7ES Rig Number: Date From. To Hours Task Code NPT Phase Description of Operations 8/25/2004 00:00 - 03:30 3.50 WHSUR P DECOMP Burm cellar area, rig up high pressure lines to tree, taking returns through choke, take on 9.8 ppg brine in pits. Accept Rig @ 00:00 hrs. 8/25/2004 03:30 - 04:30 1.00 KILL P DECOMP RIU DSM lubricator and pull BPV, UD lubricator. 04:30 - 09:30 5.00 KILL P DECOMP Test lines to 1,000 psi, displace 35 bbls diesel from tubing, switch valves and pump down tubing displacing remaining 118 bbls diesel from annulus @ 5 bpm with 360 psi. Circulate one complete circulation 694 bbls at 5 bpm with 360 psi, shut down and monitor well, hole taking between 8-20 bph. 09:30 - 10:00 0.50 WHSUR P DECOMP Install TWC & test to 1,000 psi from below, blow down circulating lines. 10:00-11:00 1.00 WHSUR P DECOMP Nipple down tree and adapter flange, inspect lifting threads on BOPSUF P tubing hanger. 11 :00 - 15:00 4.00 DECOMP Nipple up BOP, (fill hole through 4.5" X 9 5/8" annulus, hole taking 8 bph.) 15:00 - 15:45 0.75 BOPSUF P DECOMP Rig up BOP test equipment 15:45 - 21:15 5.50 BOPSUF P DECOMP Test BOP to 250 psi low, 3,500 psi high as per testing procedure. ( monitor well while testing hole taking 8-12 bph) Chuck Scheeve with AOGCC waived witness of BOP test. 21:15-22:45 1.50 WHSUR P DECOMP Rig up DSM lubricator and pull TWC 22:45 - 23:00 0.25 PULL P DECOMP Make up xes to landing joint, screw into tubing hanger (101/2 turns), back out lock down screws. Pull hanger to floor, up weight = 135k 23:00 - 00:00 1.00 PULL P DECOMP Circulate bottoms up, staging up pumps to 6 bpm, @ 110 psi. 20 bph loss at 6 bpm. Increased rate to 12 bpm @ 460 psi. losses stayed at 20 bph. Rig up casing tools and spooling unit while circulating. Total losses = 249 bbls. 8/26/2004 00:00 - 01 :00 1.00 PULL P DECOMP Continue rigging up casing equipment and spooling unit, held PJSM lay down completion, monitor well, hole taking 8 bph. 01:00 - 14:30 13.50 PULL P DECOMP Lay down landing joint and tubing hanger. POH and lay down 260 joints 4.5" 12.6# L-80 BTC tubing. Recovered 25 control line clamps, 1 SS band, 1 SSSV, 4 gas lift mandrels and 19.62' cut off tubing. The tubing chemical cut was 100% cut. The tubing had 7 badly damaged collars, 15 joints with multiple holes and one joint with a 3' long split between the depths of 4420' and 9512'. Total fluid loss to well while pulling and laying down tubing was 120 bbl. All well head, tree equipment, tubing and down hole tools NORM inspected. 14:30 - 15:30 1.00 PULL P DECOMP Lay down casing equipment, clean floor, install wear ring. 15:30 - 17:30 2.00 FISH P DECOMP Held PJSM, with Baker rep. Pickup fishing assembly consisting of 8.125" overshot with 4.5" grapple, bumper sub, oil jar, XO, 9 - 6.125" DCs, XO, accelerator jar, XO. 17:30 - 00:00 6.50 FISH P DECOMP RIH picking up 4" DP to 6,730'. Losses for the last 12 hrs = 78 bbls. 8/27/2004 00:00 - 03:00 3.00 FISH P DECOMP Continue RIH picking up 4" OP. to 10,074' lossing pipe displacement while RIH. 03:00 - 03:30 0.50 FISH P DECOMP Make up topdrive & break circulation,wash down to top of fish @ 10,100' engage overshot, jar on fish 250k six times, jared once with 325k fish came free, picked up 20' washed back down, saw pressure increase. Up wt = 195k, On wt = 165k, Rt wt = 175k. Printed: 912012004 11:14:35 AM ~ ~ BP EXPLORATION Page 2 .. Operations Summary Report Legal Well Name: U-12 Common Well Name: U-12 Spud Date: 8/5/1985 Event Name: REENTER+COMPLETE Start: 8/24/2004 End: 9/19/2004 Contractor Name: NABORS ALASKA DRILLING I Rig Release: 9/19/2004 Rig Name: NABORS 7ES Rig Number: Date From - To Hours Task Code NPT Phase Description of Operations 8/27/2004 03:30 - 04:00 0.50 FISH P DECOMP Pickup to 10,074' lay down single, make up circulating head. 04:00 - 05:00 1.00 FISH P DECOMP Circulate bottoms up 420 gpm @ 2,310 psi. loss rate while circulating 14 bph. Saw a significant amount of sand at bottoms up. 05:00 - 10:00 5.00 FISH P DECOMP Monitor well, POH with fish 10:00 - 11 :00 1.00 FISH P DECOMP Stand back BHA, release overshot grapple. 11 :00 - 12:00 1.00 FISH P DECOMP Rig up tubing handling equipment. 12:00 - 13:30 1.50 FISH P DECOMP Lay down fish, consisting of 4 joints 2 7/8. tubing, 1 chemical cut joint 17.25,' 1 joint 4.5. tubing, 1 GLM, 1 parted joint of 4.5. tubing 12.60'. Estimate top of the fish at 10,199'. 13:30 - 14:00 0.50 FISH P DECOMP Rig down tubing handling equipment. 14:00 - 15:30 1.50 FISH P DECOMP Change out swivel packing. 15:30 - 16:30 1.00 FISH P DECOMP Pickup Over shot assembly #2, change out grapple. 16:30 - 19:30 3.00 FISH P DECOMP RIH with fishing assembly, to 10,199', up wt = 200k, dn wt = 160, 19:30 - 21:00 1.50 FISH P DECOMP Engage overshot, start jaring with 250k indicator reading, increased to 400k in 25k incements, 400k is max hook load for the derrick, no indication of movement. 21 :00 - 21 :30 0.50 FISH P DECOMP Attempt to rotate fish, drill sting torqued up to 15k and dropped off to 7k, several times, unable to break free, slacked off to 160k attempt to release overshot grapple. Pulled 20' above fish, 5-10k over pull. 21 :30 - 22:45 1.25 FISH P DECOMP Circulate bottoms up at 500 gpm, 2,200 psi. had a significant amount of sand, gas and tar back at bottoms up. 22:45 - 00:00 1.25 FISH P DECOMP Monitor well & POH with fishing assembly. 8/28/2004 00:00 - 02:30 2.50 FISH P DECOMP Continue POH with fishing assembly. Lay down jars, stand back DC's. 02:30 - 04:30 2.00 FISH P DECOMP Unabble to release grapple, back out overshot extension, Rig up tubing handling equipment, lay down fish, 1 parted joint 22.80',2 joints 4.5. tubing, 1 sliding sleeve, 1 seal assembly and K anchor. 04:30 - 05:00 0.50 FISH P DECOMP Rig down tubing handling equipment and clean floor. 05:00 - 10:00 5.00 FISH P DECOMP Pickup Baker PRT miling assembly and RIH to 10,176' 10:00 - 11:00 1.00 FISH P DECOMP Makeup topdrive blower hose, RIH picking up singles from 10,176' to 10,336'. 11:00 -12:00 1.00 FISH P DECOMP Wash from 10,336' took weight at 10,341', circulate bottoms up, 485 gpm @ 2,570 psi, up wt =205k, dn wt = 165k rt wt = 175k. Tar balls and a small amount of sand back at bottoms up. 12:00 - 14:00 2.00 FISH P DECOMP Mill Packer @ 10,353',250 gpm @ 750 psi, 70 - 120 rpm, torque 7k - 15k, wob 10k - 40k. 14:00 - 15:00 1.00 FISH N RREP DECOMP Tighten wash pipe packing. 15:00 - 00:00 9.00 FISH P DECOMP Mill Packer @ 10,353',250 gpm @ 750 psi, 70 - 120 rpm, torque 7k - 15k, wob 10k - 40k. 8/2912004 00:00 - 07:30 7.50 FISH P DECOMP Mill Packer @ 10,353',250 gpm @ 750 psi, 70 - 120 rpm, torque 7k - 15k, web 10k - 4Ok. Moved packer down hole 2' by jaring down, no progress since packer moved down hole. hole taking between 4-6 bph while milling. 07:30 - 11:00 3.50 FISH P DECOMP Monitor well, pump dry job and POH with PRT milling assembly. 11:00-13:00 2.00 FISH P DECOMP Change mill, cutting structure on mill was 90% gone, empty junk baskets, recovered 5 gal bucket off metal. Make up junk baskets. Printed: 9l2Ol2OO4 11: 14:35 AM ~ ~, BP EXPLORATION Page 3 .. Operations Summary Report Legal Well Name: U-12 Common Well Name: U-12 Spud Date: 8/5/1985 Event Name: REENTER+COMPLETE Start: 8/24/2004 End: 9/19/2004 Contractor Name: NABORS ALASKA DRILLING I Rig Release: 9/19/2004 Rig Name: NABORS 7ES Rig Number: Date From - To Hours Task Code NPT Phase Description of Operations 8/29/2004 13:00 - 13:45 0.75 FISH P DECOMP Service and change oil in topdrive. 13:45 - 17:30 3.75 FISH P DECOMP RIH with PRT Milling assembly, pickup 21 jts of 4' HWDP for additional weight. Tag fish @ 10,349', up wt = 215k, dn wt = 163k, st wt = 185k. Lossing 4-6 bph while milling. 17:30 - 18:30 1.00 FISH P DECOMP Mill packer, 45-50k wob, 100 rpm, 245 gpm @ 800 psi, packer dropped down hole 5' continued milling, dropped another 3', picked up on srting 300k intially, weight dropped of to 225k set back one stand. 18:30 - 19:45 1.25 FISH P DECOMP Circulate bottoms up, 535 gpm @ 3,400 psi, monitor well, pump dry job. 19:45 - 00:00 4.25 FISH P DECOMP POH with PRT milling assembly, no fish. Losses for last 12 hrs = 80 bbls. 8130/2004 00:00 - 01 :00 1.00 FISH P DECOMP Lay down mill and junk baskets, Make up spear with 4.81' grapple, pickup accelerator jars. 01 :00 - 04:30 3.50 FISH P DECOMP RIH with spear, to 10,320' 04:30 - 06:00 1.50 FISH P DECOMP Make up topdrive break circulation, 60 spm @ 310 psi, wash down and engage fish at 10,350', pressure increased to 1,650 psi, Picked up drill string, 60' no indication of fish, when string weight was picked up pressure dropped back to 310 psi. up wt = 215K 06:00 - 11:00 5.00 FISH P DECOMP POH with spear, monitor well at BHA. Losses for last 12 hrs = 35 bbls. 11:00-14:00 3.00 FISH P DECOMP Stand back BHA, no fish, Lay down spear, make up new spear with 10' extension, 3.947' grapple, RIH to 960'. 14:00 - 15:00 1.00 FISH P DECOMP Slip and cut drilling line. 15:00 - 17:15 2.25 FISH P DECOMP RIH with spear tag fish @ 10,347', up wt = 217k, dn wt = 160k 17:15 - 21:00 3.75 FISH P DECOMP Break circulation, engage fish, jar on fish with 275k to 400k, no indication of movment. release grapple, rack back one stand. 21:00 - 21 :30 0.50 FISH P DECOMP Inspect derrick and topdrive after jarring operations. 21 :30 - 00:00 2.50 FISH P DECOMP Monitor well, pump dry job, POH to 4,431' Losses for last 12 hrs = 21 bbls. 8/31/2004 00:00 - 01:00 1.00 DHB P DECOMP Make up and set 9 5/8' HES RTTS 20' below wellhead. POH with setting tool and test to 1,000 psi. 01:00 - 06:00 5.00 WHSUR P DECOMP Nipple down riser, BOP and tubing spool, change out 9 5/8' slip seals packing. 06:00 - 08:30 2.50 WHSUR P DECOMP Install new 135/8' tubing spool with pre installed 9 5/8' secondary packing. 08:30 - 10:45 2.25 WHSUR P DECOMP Nipple up BOP on new 13 5/8' 5M tubing spool. 10:45-11:30 0.75 DHB P DECOMP Retrieve 9 5/8' Storm valve and RTTS packer. Check and change out RTTS, slips sticking. 11:30-13:00 1.50 DHB P DECOMP RIH with 9 5/8' RTTS. Set at 3,115'. 13:00 - 14:00 1.00 DHB P DECOMP Test 9 5/8' casing from surface to 3,115', 135/8' 5M flange on tubing spool and lower pipe rams to 3500 psi for 30 minutes. 14:00 - 17:45 3.75 DHB P DECOMP POH. Lay down 9 5/8' RTTS. 17:45 - 18:30 0.75 DHB P DECOMP PJSM, RIU SWS E-Line. 18:30-21:15 2.75 DHB P DECOMP Make 8.51' gauge ring / junk basket run to 10,000'. POH - Nothing in junk basket 21:15 - 00:00 2.75 DHB P DECOMP ~~7 head & 9 518' EZSV. AIH. """'Iala & ,at EZSV .. - I- ,93 (5' above casing collar @ 9,935'). POH . 9/1/2004 00:00 - 01:00 1.00 DHB P DECOMP w/ E-Line, Firing head looked good. 01:00 - 02:30 1.50 STWHIP P WEXIT PIU Milling Assy. & MWD. Orient & discovered that Sperry had tool communication problems. 02:30 - 04:00 1.50 STWHIP N SFAL WEXIT Trouble shoot problem & establish communication w/ MWD, Printed: 9l2Ol2OO4 11:14:35AM ~ ~ Page 4 48 BP EXPLORATION Operations Summary Report Legal Well Name: Common Well Name: Event Name: Contractor Name: Rig Name: U-12 U-12 REENTER+COMPLETE NABORS ALASKA DRILLING I NABORS 7ES Date From - To Hours Task Code NPT Phase 9/1/2004 SFAL WEXIT 02:30 - 04:00 1.50 STWHIP N 04:00 - 05:45 1.75 STWHIP P 05:45 -11:30 5.75 STWHIP P 11 :30 - 13:00 1.50 STWHIP P 13:00 - 13:30 0.50 STWHIP P 13:30 - 15:30 2.00 STWHIP N 15:30 - 15:45 0.25 STWHIP P 15:45 - 16:00 0.25 STWHIP P 16:00 - 17:30 1.50 STWHIP P 17:30 - 18:15 0.75 STWHIP P 18:15 - 23:45 5.50 STWHIP P WEXIT WEXIT WEXIT WEXIT WEXIT RREP WEXIT WEXIT WEXIT WEXIT WEXIT 23:45 - 00:00 0.25 STWHIP P 9/212004 00:00 - 01 :00 1.00 STWHIP P 01 :00 - 02:00 1.00 STWHIP P WEXIT WEXIT WEXIT 02:00 - 05:00 3.00 STWHIP P WEXIT 05:00 - 07:00 2.00 STWHIP P WEXIT 07:00 - 09:00 2.00 STWHIP P WEXIT 09:00 - 11:30 2.50 DRILL P WEXIT 11:30-14:45 3.25 DRILL P WEXIT 14:45 - 16:15 1.50 DRILL P WEXIT 16:15 - 16:45 0.50 DRILL P WEXIT 16:45 - 19:00 2.25 DRILL P INT1 19:00 - 20:30 20:30 - 23:30 1.50 DRILL 3.00 DRILL N P Start: 8/24/2004 Rig Release: 9/19/2004 Rig Number: Spud Date: 8/5/1985 End: 9/19/2004 Description of Operations then unable to read tool pulse. Determined that problem was in surface equipment (transducer) & repaired same. M/U Whipstock and RIH wI same. RIH with Whipstock to 8785'. Fill pipe while RIH. Service top drive. Connect blower hose. RIH with Whipstock to 9646'. Fill pipe while RIH. Discovered small leak in flowline. Replace flexible hose connection in flowline between sub base and pit module. RIH to 9870'. Break circulation. 420 GPM @ 1830 psi. Orient to High Side. RIH and tag EZSV at 9894' Drillers Depth. Set bottom trip anchor wI 25 K and shear mills off Whipstock wI 45K. Displace with 11.2 ppg. LSND Mud @ 485 GPM - Final pressure 2750 psi. Monitor Well. Losing 9.4 BPH static and 10 BPH circulating @ 400 GPM. Mill window from 9,869' to 9,885'. Continue milling open hole to 9,899' 475 GPM @ 2710 psi. 110 RPM . WOB = 2 to 12 K milling window & 10 to 15 K in formation. Torque = 6 to 15K. Pump 50 Bbl. Hi-Vis Sweep. Work through window. Pump @ 500 GPM I 2870 psi. Rotating @ 115 RPM w 7K TO. Circulate out Hi-Vis Sweep. Mud clean and balanced @ 11.2 ppg. R/U and perform FIT. Pressured up to 555 psi. @ 10 SPM. - Total 55 strokes - straight line build up. Shut in - Bled off immediately to 75 psi. then down to 25 psi in 3 minutes. Held 25 psi for 10 minutes. 555 psi with 11.2 ppg mud at 8,126' TVD = FIT of 12.51 ppg. EMW. Pump slug & POH to BHA. Stand back 4' HWDP & 6 1/2' DC's. Lay down milling assembly. All mills in gauge. Clear rig floor. Pull wear bushing. Wash BOP with jetting tool. Install wear bushing. Pick up new 81/2' PDC bit and drilling BHA with 1.5 deg bend motor housing. Surface test MWD. RIH to 9,730'. Service Top Drive - Change Oil & Filter. RIH to 9,825'. Orient to High Side. Run past window with no roblems. Ta u @ 9888'. Drill underguage Hole to 9,899'. Directional Drill 8.5' Hol 9,S99' to 9,958'. 500 GPM @ 3600 psi. on bo 0 psi off bottom. Torque off bottom = 6.5K, m = S.5K. Rotating @ 60 RPM. Calculated - 1.6 ppg. Actual ECD = 11.S ppg. PU Wt. = , Dn. Wt. = 148K. Rot Wt. = 16SK n oot & Repair load share problem with generators. Directional DriIlS.5' Hole from 9,95S' to 10,056'. 500 GPM @ 3600 psi. on bottom, 3250 psi off bottom. Torque off bottom = 6.5K, on bottom = S.5K. Rotating @ 60 to SO RPM. Calculated ECD = 11.6 ppg. Actual ECD = 11.S ppg. PU Wt. = 2ooK, Dn. Wt. = 150K. Rot Wt. = 170K Bit balling - Pump Sapp + Nut plug sweep - bit cleaned up. Printed: 9120/2004 11:14:35AM I is ' I -fL Subject:U'-12A " From:: ¡Wesley, DaveE" <WesleyDE@BP.com> Date: Tue, 31Aug 200417:45:23-0800 . '., . ',' 1~:~"'~t:Jbert" (E ~~.~1:~diôñd. å~b~~i1.liitj~A~"~~9~~~ : :1:j~ f ;'j~:m~ì1'~~~::~li:i, ;:::~i;,'::¡' /;~l'~::~1!¡i¡':;, ,:,":j'*lJL,'[;f,]l:[::::: '3,"; Winton, Following up on my phone message, we had difficulties in decompleting U-12, as planned. The packer and tailpipe proved unretrievable. Our alternate plan is to set a bridge plug and whipstock in the 9 5/8" at -9,925'md. This will place our exit point in the Kingak (T JD). The alternate directional plan requires -895' of 8 1/2" intermediate section to reach the top of the Sag River. We do have a leak in the 9 5/8" at approximately 5,300'md, as outlined in the original Permit application. This will be covered with a 7" scab liner immediately following placement of the 7" drilling liner. The rig will be working this evening setting the bridge plug and whipstock. 'lIlook forward to speaking with you Wednesday morning and preparing whatever documentation you require. AfJfJ'O\t.ed ckøuy<. to ~t-tAAdJi_'1 M?¡ 5o¿f-¿Q{;,. \jJ . A~r~ ~ I l¿:oro 4- . \ regards, Dave Wesley, Jr. Operations Drilling Engineer GPB Rotary Drilling 564-5153 office 440-8631 cell 564-4040 fax V"-U/'\"" fISt" I L( .'l 4- { STATE OF ALASKA f ALASKA OIL AND GAS CONSERVATION COMMISSION APPLICATION FOR SUNDRY APPROVAL 20 MC 25.280 1. Type of Request: 1m Abandon 0 Repair Well 1m Plug Perforations 0 Stimulate 0 Alter Casing 0 Pull Tubing 0 Perforate New Pool 0 Waiver 0 Change Approved Program 0 Operation Shutdown 0 Perforate 0 Re-Enter Suspended Well 0 Other 0 Time Extension 2. Operator Name: BP Exploration (Alaska) Inc. 3. Address: P.O. Box 196612, Anchorage. Alaska 7. KB Elevation (ft): 4. Current Well Class: / IBI Development 0 Exploratory 0 Stratigraphic 0 Service 5. Permit To Drill Number 185-182 ./ 6. API Number: / 50- 029-21409-00-00 99519-6612 77.42' 9. Well Name and Number: PBU U-12 /" 11. Total Depth MD (ft): 11280 Casing Structural Conductor Surface Intermediate Production Liner 10. Field 1 Pool(s): Prudhoe Bay Field 1 Prudhoe Bay Pool PRESENT WELL CONDITION SUMMARY Total Depth TVD (ft): I Effective Depth MD (ft): IEffective Depth TVD (ft): Plugs (measured): 9142 10503 8589 10503 Length Size MD TVD Burst Junk (measured): 11090 Collapse 8. Property Designation: ADL 047451 110' 20" x 30" 110' 110' 2674' 13-3/8" 2674' 2674' 5380 2670 10680' 9-5/8" 10680' 8717' 6870 4760 865' 7" 10415'-11280' 8525' - 9142' 7240 5410 Perforation Depth MD (ft): Perforation Depth TVD (ft): Tubing Size: None - Below Cement Plug NIA 4-1/2",12.6# Packers and SSSV Type: 9-5/8" x 4-1/2" TIW packer; HES 'RCP' packer; HES packer; 4-1/2" Otis 'X' SSSV Nipple Tubing Grade: Tubing MD (ft): L-80 10466' Packers and SSSV MD (ft): 10353'; 10283' 10114'; 2129; 12. Attachments: IBI Description Summary of Proposal 0 Detailed Operations Program 14. Estimated Date for Commencing Operations: 16. Verbal Approval: Commission Representative: 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. Printed Name Bill Isaacson Title Senior Drilling Engineer Signature ~..t. l~ ,....... Phone 564-5521 Date ':I / 7-,yo'i Commission Use Only 0 BOP Sketch 13. Well Class after proposed work: 0 Exploratory IBI Development 0 Service August 5, 2004 Date: 15. Well Status after proposed work: DOil 0 Gas 0 WAG 0 GINJ 0 Plugged DWINJ /' IBI Abandoned 0 WDSPL Contact Dave Wesley, 564-5153 Prepared By NamerlNl.Imbar: Terrie Hubble, 564-4628 Conditions of approval: Notify Commission so that a representative may witness I Sundry Number: .3oL/--cJ--r~ 0 Plug Integrity 0 BOP Test 0 Mechanical Integrity Test 0 Location Clearance Te s t ßC Pt fc- '~C;CD ()~¡' tlf pnileJ Other: P-.c p. E- fes' f ~."".. U', LC'-1 i s c" e .Ie. ~ J {<Æ-l C; tkl I' ; i u l t)'2t' ¿: - c,,- +( '/')1 ~ Lot h d €:,," .HA.,( S' . ~ 0 ~\ . OR\G\NAl RBOMS BFl Date ~~I~~ AU6 ()) 2 (Of;1! COMMISSIONER APPROVED BY THE COMMISSION bp 0 To: Winton Aubert - AOGCC Date: July 28, 2004 From: Dave Wesley, Jr. - BPXA GPB Rotary Drilling Subject: Reference: U-12 Application for Sundry Approval - P&A for Sidetrack Operations API # 50-029-21409-00 Approval is requested for the proposed P&A of PBU well U-12. U-12 was drilled in 1985 as a conventional producer. The well was producing 275 BOPD with 60% water cut when it was P&A'd with cement (TOC 10,503' CTMD) in January 1999 as preparation for a rig sidetrack. However, plans for the sidetrack were cancelled, and U-12 has remained shut in since January 1999. In July 2003, a caliper was run that found multiple possible tubing holes (6367', 6601', 6840', 7184', and 8991'). On 7/28/2003, both an MIT-T and a CMIT-TxIA failed. On 10/21/03 an MIT-OA passed. A leak detect log run on 10/26/2003 found two production casing leaks at 5,300' and 8,980'. In summary, U-12 is shut in with cement covering the perforated intervals, the tubing and the production casing leaks. The well has competent surface casing evidenced by the passing MIT-OA. The U-12A sidetrack is scheduled for Nabors 7ES. Current estimates have it beginning around August 25, /~ 2004, following the completion of the N-11 C and summer maintenance. The pre-rig work for this sidetrack is planned to begin as soon as the attached Application for Sundry is approved. Scope Notify the field AOGCC representative with intent to plug and abandon Pre-Ria Operations: 1. Tubing has failed an MIT-T and Tubing X IA failed a CMIT in 7/2003. / 2. Drift the 4 %" tubing to the top of the 2 7/8" liner patch at -10, 114'md to confirm clear for upcoming chemical cut. - /' 3. R/U E-line. RIH with the appropriate chemical cutter and cut the 4 %" tubing at -10,1 OO'md. 4. Displace the well to weighted brine, as necessary to balance, by circulating down the tubing through the tubing cut. Continue to circulate until clean brine returns to surface. Freeze protect to -2,200' MD with diesel. 5. Function all 95/8" casing and tubing Lock Down Screws; repair or replace as needed. Both the 9 5/8" pack-off and the tubing spool will be changed out during the work-over. 6. Bleed casing and annulus pressures to zero. 7. Set a BPV. Secure the well. Level the pad as necessary. /,. Ria Operations: 1. Mil RU Nabors 7ES. 2. Pull BPV. Circulate out diesel freeze protection and displace the well to weighted brine. Install TWC. 3. Nipple down the tree. Nipple up and test BOPE to 3,500psi. Pull TWC. .,- 4. RlU. Pull the 4%" tubing from the cut at -10,100' MD and above. 5. M/U an overshot I grapple fishing assembly. RIH and OIS the 4 %" tubing stub. Jar the tubing OIS seal assembly free. POOH and LID the 4 %" tubing fish and the internal 2 7/8" tubing patch. Alternatively, may elect to attempt to rotate the entire tubing stub and latchlanchor free. ..--- U-12 Application for Sundry J ~ 6. If necessary. M/U an OIS I grapple fishing assembly. RIH to the latchlanchor. Overshot the anchor and rotate it free. POOH. 7. M/U a Baker 9 5/8" PRT I milling assembly. RIH to the TIW HBBP packer. Mill the packer free and recover the packer and tubing tail pipe. 8. M/U a 7" liner top polishing mill assembly. RIH to the existing 7" drilling liner top and polish I clean the liner top in preparation for running the 7" scab liner seal assembly. 9. POOH to approximately 4,000'md. M/U a HES 9 5/8" RTTS. Set the RTTS -15' below the wellhead. /- 10. NID the BOPE and the tubing spool. Change out the 9 5/8" casing slips seal. 11. N/U a new tubing spool with the new YB pack-off installed. ./ 12. N/U and test the BOPE. 13. Run back in the hole with the RTTS. Set the RTTS at -3,000'md. 14. Confirm 9 5/8" casing integrity above this point by pressure-testing the casing to surface to 3,500psi ,/ for 30 minutes. Record test. POOH with RTTS. LID polishing mill assembly. 15. RIU to run and cement -7,560' of 7" scab liner, sufficient to extend from the top of the 7" drilling liner /'.- to -2,850'md. POOH and LID the liner running tool. 16. M/U a 6 1/8" clean out assembly. RIH to the float equipment. Test the 9 5/8" X 7" scab liner to 3,500psi for 30 minutes. Record the test. 17. Drill out the float equipment. RIH to tag at the P&A cement plug in the 7" drilling liner. ,../ 18. Clean out cement down to 10, 750'md. Circulate well clean. 19. Displace the well to 8.5ppg Flo-Pro based milling fluid. POOH and LID CIO assembly. 20. P/U and RIH with 7" Baker bottom-trip anchor whip stock assembly. Orient whip stock, as desired, ,/ and set on the cement plug. Shear off of whip stock. T ~~ ~. ie, 4 C' Z (Á,ç J'i tV c( f . ~;J611- 21. Mill window in 7" liner at :I: 10, 730'md, plus approximately 20' beyond middle of wrndow. Circulate the well bore clean. 22. Pull up into 7" liner and attempt an FIT to 10.0ppg EMW. POOH. 23. M/U a 6 1/8" Dir/GRlRes/ABI drilling assembly. RIH to the window. 24. Directionally drill section per directional proposal. Circulate well bore clean, short trip to the 7" window. Circulate. POOH. 25. Run and cement a 4 }'2", 12.6#, L-80 solid production liner, extending the liner lap to -10,200'md. POOH. 26. P/U and RIH with Schlumberger 2 }'2" tcp perforating guns. Perforate approximately 1,400' of 24 interval, per subsurface team. POOH. 27. RIU and run a 3 1/2", 9.2#, 13Cr-80, VAM ACE completion, stinging into the 4 1/2" liner tie back sleeve. 28. Set the packer and individually test the tubing and annulus to 3,500psi for 30 minutes. Record each test. 29. Install a TWC. 30. Nipple down the BOPE. Nipple up the tree and test to 5,000psi. Pull TWC. 31. Freeze protect the well to -2,200'. Install BPV. Secure the well. 32. Rig down and move off. /-- Post-Ria Operations: 1. Mil RU slick line. Pull the ball and rod I RHC plug from landing nipple below the production packer. 2. Install gas lift valves. 3. Re-install the well house, instrumentation, and flow line. Estimated Pre-rig Start Date: 08/05/04 Estimated Spud Date: 08/25/04 Dave Wesley, Jr. Operations Drilling Engineer 564-5153 U-12 Application for Sundry TREE = WELLI-EA 0 = ACTUATOR = KB. ELBI = BF. ELEV = KOP= rv'ax Angle = Datum tvÐ = Datum lVD = CAWERON 4" AXELSON 77 42' 48.57' 3100' 49 @ 7000' 10904' 8800' SS 13-3/8" CSG, 72#, L-80, 10 = 12.347" l-i 2700' Minimum ID = 2.313 @ 10297' 2-7/8" X NIPPLE 1 TOP OF 2-718"1BG 1--1 10114' I 12-7/8" TBG. 6,4#, L-80, 0.00579 bpf, 10 = 2.441" 1--1 10309' 1 1 TOP OF 7" LNR 1--1 10415' 1 14-1/2" TBG, 12,6#, L-80, 0.0152 bpf, 10 = 3,958" 1--1 10466' 1 9-5/8" CSG, 47#. L-80, 10 = 8.681" 1--1 10680' ~ PERFORA TION SUf\i11\,1ARY REF LOG: BHCS ON 08/2.\/85 ANGLEATTOPÆRF:.\5 @10716' Note. Refer to Production DB for historical Jerf data SIZE SPF INTERV AL Opn/Sqz DA TE 3-3/8" 6 10716 - 10720 S 01/17/99 3-3/8" 6 10720 - 10750 S 01/17/99 3-3/8" 6 10750 - 10758 S 01/17/99 3-3/8" 6 10883 - 10884 S 01/17/99 3-3/8" 6 10884 - 1092.\ S 01/17/99 3-3/8" 6 11002-11102 S 01/17/99 1 FaTD 1--1 11228' 1 7" LNR 26#, IJ4S, 0.0383 bpf, [) :. 6.276" 1--1 11280' I DATE 08130/85 02105/01 03/08101 11/02101 11/05/02 COMMENTS ORlGINA L COMR...ETION SIS-OAA CONVERTED TO CANV AS SIS-MD FINAL RN/W CORREC110NS Ffl/W SOl ÆRFCHANGE, TOC OA TE REV BY RBI BY U-12 ~ ~ rJ L I SAÆTY NOTES: 2129' H4-1/2" OT6 X SSSV NIP, 10 = 3.813" I ~ GAS LIFT MANDRELS ST MD lV 0 DEV TYPE VL V LA TQ-i PORT DA TE 5 3605 3506 21 011S DOME RA 16 07/96 4 6293 5556 45 011S DOME RA 16 07/96 3 8493 7096 45 011S DOME RA 16 07/96 2 9876 8054 43 011S SO RA 16 07/96 1 10173 8273 44 011S PATCH RA ~ ~ 1 1 0114' 1--1 HES PKR. 10 = 2.390" I I I 1 1 0277 HOl1S SLlDlNGSLIBIE.ID=3.813" I i ~ I 10279' 1--1 HES PBR. 10 = 3 250" I 1 10283' 1--1 HES RCP A<R 10 = 2.390" I 1 10297' 1--12-7/8" OT6 X NIP 10 = 2.313" 1 1 1 0309' 1--12-7/8" WLEG, 10 = 2...\41" 1 E ] 1 10338' 1--14-112"TIW RECEPTACLE 1 1 1 0353' H 9-5/S" x 4-1/2" TIW FKR. 10 =.\ ,75" I :8: ~ 1 10397' H4-1/2" OTLS X NIP, 10 = 3,813" 1 - ~~ 1 10429' H 4-1/2" OT6 XN NIP. 10.:: 3.725" I r 1 10429' 1--12-7/8" REOUONG X NIP, 10 = 2.313" I 1 1 0466' H4-1/2"TBGTAIL (BOT SOSI, ID= 3.958" 1 1 10443' 1--1 EUvlD IT LOGGED 07/26/92 1 COMMENTS ~ 1 10503' H TOP OF CBv1ENT 1 1 10851' 1--1 r-1ARKER JOINT 1 1 11090' 1--1 PKR RU3BER 1 1 11204' 1--126' 3-1/8" GUNS I 1 11204' H 29' 3-1/8" GUNS 1 PRUDHOE BA Y UNIT WELL: U-12 PERMIT I\b: 1851820 A R I\b: 50-029-21"¡09-00 SEC 18, T11 N, R13E BP Exploration (Alaska) U-12 Pre Rig 13-3/8" CSG, 72#, - l-80, 10= 12.347" 2,700" Potential 9 5/8" casing leak -5,300" Potential 9 5/8" casing leak -8,980' Top or 2 7/8" Tubing 10114" HES RCP Packer, - 1.0. = 2.390" 10114" Min. ID = 2.313 @ 10297' 2-7/8" X NIPPLE I TOP OF 7" lNR Ii 10415" I I Top of Cemenl 1-1 10"503" 1 95/8",47#, L-80, - 10680" Csg ID = 8 681" r, 26#, U4S, Lnr - 11280" ID = 6 276" DATE 08/30/85 02/05/01 03/08/01 11/02101 11/05/02 07126104 0 . . . . . . -~- :::::,..- ~ = ~~ i ~ ..~ COMMENTS ORIGINAL COMA-ErION SIS-QAA CONVERTED TO CANVAS SIS-MD FINAL RNfTP CORRECTIONS PPfTP saz ÆRF CHANGE. TOC dew lJ-12 Pre rig condition REV BY ...' $ ,:,.:" * . ':; 1 " ... " ~:~~. --, .' ,-,::; .,. ~ . 41 . tI1 ~ 2129" H4-1/2" OTIS X SSSV NIP, ID = 3.813" 1 ST MD lVD 5 3605 3506 4 6293 5556 3 8493 7096 2 9876 8054 1 10173 8273 GAS LIFT MANDR8..S DEV 1YÆ VLV LATCH PORT DATE 21 OTIS DOME RA 16 07/96 45 OTIS DOME RA 16 07/96 45 OTIS DOME RA 16 07/96 43 OTIS SO RA 16 07/96 44 OTIS PA TCH RA - I -10,100" HPre rig tubing cut 10277" HOTlSSLlDINGSLEEVE,ID=3.813" I I 10297" I 10309" -'" I 10397" I I I I 10443" 1-1 ELMD IT LOGGED 07/26/92 I 10429" 10429" 10466" 1-12- 7/8" OTIS X NIP. ID = 2.313" 1 1-12-7/8" WLEG, ID = 2.441" 1 H4-1/2" OTIS X NIP, ID = 3.813" I H4-1/2" OTIS XN NIP, ID = 3725" 1 1-12-7/8" REDUCING X NIP, ID = 2.313" 1 H4-1/2" TBG TAil (BOT SOS), ID = 3.958" I ÆRFORA TION SUMMARY REF LOG: BHCS ON 08/24/85 ANGLE AT TOPÆRF: 45 @10716' Note: Refer to Production DB for historical perr data SIZE SPF INTERV AL Opn/Sqz DA TE 3-3/8" 6 10716 - 10720 S 01/17/99 3-318" 6 10720 - 10750 S 01/17/99 3-3/8" 6 10750 - 10758 S 01/17/99 3-3/8" 6 10883 - 10884 S 01/17/99 3-3/8" 6 10884 - 10924 S 01/17/99 3-318" 6 11002 - 11102 S 01/17/99 DA TE REV BY COMMENTS TREE = WB..LHEAD = ACTUATOR = KB. B..EV = BF. B..EV = KOP= Max Angle = Datum MD = Datum lVD = CAMERON 4" AXB..SON 7742' 48.57' 3100' 49 @ 7000' 10904 ' 8800'SS PRUDHOE BA Y UNrr WB...L: U-12 ÆRMrT No: 1851820 AA No' 50-029-21409-00 SEe 18. T11N, R13E BP Exploration (Alaska) U-12A Propo~ed Completioní J 13-3/8" CSG, 72#, - L-80. II) = 12.347" 2,700. 7".26#, L-BO, BTG-M scab liner -10,412. I TOPOF7"LNR 1-1 10415. 1 95/8".47#, L-80, - 10680. Csg 10 = 8.681" 7" whip slock sel - -10,730. on cement plug. I Top of Cement 1-1 10,750. 1 7".26#, U4S. Lnr - 11280. ID = 6.276" DATE 08/30/85 02/05/01 03/08/01 11102101 11/05/02 07/26/04 I ~ ~ ~. . I. I) ~. II ~ . I:. . g . ~f l~ ~ . E ~" :~ -- ,.. ',1:' .... ~I' , . t) COMMENTS ORIGINAL COMR.ET1ON SIS-QAA CONVERTED TO CANVAS SIS-MD FINAL RNITP CORRECTIONS PP/TP saz PERF CHANGE. TOC dew U-12A Wp12 Proposed compo REV BY 2,200. H3 1/2" 'X'landlng nipple. 10 = 2.813" 1 TREE = WB..LHEAD = A CTUA TOR = KB. B..EV = BF. B..EV = KOP= Max Angle = Datum MO = Datum lVD = 2,850" 9 5/8" X 7" Baker HMC Lnr hngr and ZXP pkr with TBS GAS LIFT MANDRElS ST MD lVD DEV TYÆ VALVE LATCH 4 TBD TBD 3 1/2" X 1 1/2" MMG Dmy RK 3 TBD TBD 31/2" X 1 1/2" MMG OCR RK 2 TBD TBD 31/2" X 1 1/2" MMG [)my RK 1 TBD TBD 31/2" X 1 1/2" MMG [)my RK I 10,130" I 10,150" I 10,170" I 10,190" I 10,195" H3 1/2" 'X'landing mpple. 10 = 2.813" 1 H 7" X 4 112" Baker S-3 packer I H3 1/2" 'X' landing nipple, 10= 2,813" 1 H3 1/2" 'XN' landing mpple. ID = 2.725" 1 1-13 1/2",9.2#, 13Cr-80, VAM ACE 10,200" 7" X 5" Baker HMC Lnr hngr and lXP pkr w ilh TBS 0 0 0 0 0000000 000 000°0 000 00000 0 0 0 0 0 0 CAMERON 4" AXB..SON 7742' 48.57' 3100' 49 @ 7000' 10904' 8800'SS 4 0000000000 0000000000 0000000000 ... I 14,300" H4 112", 12.6#. L-80, IBT-M solid liner 1 DA TE REV BY COMMENTS PRUDHOE BA Y UNIT WB..L: U-12A ÆRMfT No: 1851820 API No: 50-029-21409-01 SEe 18. T11N, R13E BP exploration (Alaska) STATE OF ALASKA ALASKA bi:L AND GAS CONSERVATION COIVn-vrlSSlON APPLICATION FOR SUNDRY APPROVAL 1. Type of Request: [] Abandon [] Suspend [] Plugging [] Time Extension [] PerTorate [] Alter Casing [] Repair Well [] Pull Tubing [] Variance [] Other [] Change Approved Program [] Operation Shutdown [] Re-Enter Suspended Well [] Stimulate Plug Back for Sidetrack 2. Name of Operator BP Exploration (Alaska)Inc. 3. Address P.O. Box 196612, Anchorage, Alaska 99519-6612 4. Location of well at surface 462' NSL, 2275' WEL, SEC. 18, T11N, R13E, UM At top of productive interval 802' SNL, 275' WEL, SEC. 13, T11N, R12E, UM At effective depth At total depth 447' SNL, 455' WEL, SEC. 13, T11N, R12E, UM 5. Type of well: [] Development I-3 Exploratory I~ Stratigraphic I~Service 6. Datum Elevation (DF or KB) KBE = 77.42' AMSL 7. Unit or Property Name Prudhoe Bay Unit 8. Well Number U-12 9. Permit Number 85-182 10. APl Number 50-029-21409 11. Field and Pool Prudhoe Bay Field / Prudhoe Bay Pool 12. Present well condition summary Total depth: measured 11280 feet true vertical 9141 feet Effective depth: measured 11071 feet true vertical 8995 feet Casing Length Size Structural Conductor 110' Surface 2645' Intermediate 10651' Production Liner 865' Plugs (measured) Junk (measured) Cement plugged back to 11071' Cemented MD TVD 20" x 30" 13-3/8" 9-5/8" 8 cu yds concrete 110' 3719 cu ft Cold Set III & Cold Set II 2674' 2286 cu ft Class 'G' 10680' 7" - 290 cuft Class 'G' 10415' - 11280' 110' 2674' 8716' 8524'-9141' Perforation depth: measured true vertical Open: 10720'-10750', 10884'-10924' Sqzd: 10716'-10720', 10750'-10758', 10883'-10884', 11002'-11102' Open: 8745'-8766', 8862'-8891' Sqzd: 8742'-8745', 8766'-8772', 8862'-8862', 8947'-9017' Tubing (size, grade, and measured depth) 4-1/2", L-80 to 10353' with 4-1/2" tailpipe to 10466' JAN 08 ]999 Packers and SSSV (type and measured depth) 9-5/8" TIW packer at 10353'; 4-1/2" SSSV nipple at 21 ¢,8k~t. 0J] & GaS C01'IS. C01fll 13. Attachments [~ Description summary of proposal [] Detailed operations program [] BOP sketch 14. Estimated date for commencing operation January 13, 1999 16. If proposal was verbally approved Name of approver Date approved 15. Status of well classifications as: [~ Oil [] Gas [] Suspended Service .0RIGIN:A,L Contact Engineer Name/Number: Bob Kaluza, 564-5344 Prepared By NamelNumben Terrie Hubble, 564-4628 17. I hereby certify that ~e foregoing is true and correct to the best of my knowledge Signed II ,~_ ~ James E. Smith ,L~~-;~ -- Title Senior Drilling Engineer Oornmission Use Only Conditions of Approval: Notify Commission so representative may witness Plug integrity z,~ BOP Test /''/ Location clearance__ Mechanical Integrity Test __ Subsequent form required 10- ~ 7 Original Signed By ,o.~o;; 'oe_.? ¢¢ Approved by order of the Commission David W. Johnston :.-,o:r,~ ,.,,~-- ,_..:-~~ ~Commissioner Form 10-403 Rev. 06/15/88 ' j ~/_..~~' . Date I Approval NO.__~.~ ~'~.~ ~;~,.~ Date Subr~it Id/TriPlicate BP EXPLORATION To: Blair Wondzell AOGCC From: Bob Kaluza MB 8-1 Subject: Sidetrack Well (U-12A ) Date: January 7, 1998 Nabors 9ES is expected to move to well U-12A on/about January 19th following completion of Well U-02A. The objective is to cut and pull the existing 4 ~,,~" completion tubing, mill a window by Whipstock through the 7" liner at _+ 10,730' MD, directionally drill 6" hole to (1) Zone 4 horizontal target; TD _+ 15,385'. Run, cement and test a 4 Y2" solid liner (liner top at _+ 10,580' MD). Perforate as per geologist request. Complete with 4 Y2" tubing + WOA completion tailpipe assembly. Well U-12 was drilled in 1986 as a conventional producer. Initial oil production was over 3000 BOPD with little or no water. Well productivity declined to less than 300 BOPD in 2 years. The well was acid stimulated in 1988 and Sag River perfs added in 1989 and 1992. Both treatments increased oil production significantly with little change in water cuts. Well productivity started to decline and water cuts increased in 1994. The well is currently producing 300 BOPD with 60% WCUT. Objective: The objective of the pre-rig work is to P & A all open perforations; chemically cut the 4 1~,, tubing, circulate seawater into the entire wellbore, freeze protect permafrost zone and test packoffs. Pre-Rig Operations: o RU CT, spot cement across open perfs + 150' above top perf and 100' below bottom perf (cement top at 10,570', cement bottom at 11,024'); hesitation squeeze 10 bbls into perfs. Open perforations from 10,720' to 10,750' and 10,884' to 10,,924' MD. Cement top MUST NOT be above 10,500' MD (minimum per AOGCC = 10,620' MD or 100' above uppermost squeezed perforation and 11,024' MD, 100' below bottom perforations). After spotting and squeezing cement, pull up to 10,550' (top of cement) circulate out any excess cement and circulate well to seawater. Note: Minimum ID 2.313" at 10,279' ELM and same ID at 10,429' ELM. 2. Wait 12 hrs. (minimum). RIH with CT, tag cement to verify TOC. . RU electric line and make a chemical cut in the middle of the first full joint of 4 1/~,, tubing above the 2 7/8" tubing patch. Cut 4 Y2" tbg at _+10,080' MD. Circulate well to seawater through the cut. Freeze protect to _+ 2,200' MD. Note: use double anchor chemical cutter. 4. Test the 9 5/8" slips type packoff to 3,800 psi and tubing hanger (through test port) to 5000 psi. 5. Set a BPV and test from above to 500 psi in preparation of the rig move. Rig Sidetrack Procedure o 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. MIRU. ND tree, NU and test BOPE. Circulate well clean. Pull the 4 ~/~" tubing completion. Tubing cut at _+ 10,080' MD. Replace the leaking 9 5/8" packoff if necessary. RIH w/4 1/2" Overshot, retrieve SBR assy.. RIH retrieve K-anchor. RIH w/Packer mill/catch tool, mill packer slips, retrieve 9 5/8" production pkr w/tailpipe. RIH w/cmt drill out assembly, tag cmt top, test 9 5/8" csg to 3,000 psi. Dress cement to _+ 10,720' (just below the Sag ). Circ well. POOH RIH w/bottom trip whipstock, orient, set whipstock, mill window out of 7" csg liner. Kick-off and directionally drill 6" hole to 15,385' TD. Run DPC log suite at TD. Run and cement 4 1/2", L-80 solid production liner. Perforate DPC Run 4 1/2", L-80 tubing completion. ND BOPE, NU and test tree. RDMO. WELLHEAD: 4" BF. ELEV = 48,57 ACTUATOR: AXELSON Cemented SSSV LANDING NPPLE I (4-1/2 OTiS X)( 3.813" ID) 2,129 13 3/8" 72# ~ L-80 BTRS KOP: 2800 MAX ANGLE: 49~' 1/2", 12.6#/~, L-80, IPC ] UBING ID: 3.958" APACITY: .01522 BBL/FT 2-7/8" 6.4#~ L-80 TDS TUBING ID: 2.441" Tubing Chemically Cut at 10,080' ELM Top of 7" Liner 9-5/8", 47#,fit, L-80, BTRS Shoe GASLIF~MANDRELS MD(BKB) TVDss 3,605 3,583 6,293 5,832 8,493 7,172 9,876 8,130 10,173 8,349 SLIDING SLEEVE (OTIS XA)(3.813" MIN. ID) HES PACKER (2.390" MiN. ID) PBR, PKR, X-NIPPLE,WLEG (HES 'RCP')(2.318" MIN, ID) TIW RECEPTACLE 9~5/8" PACKER (TIW)(4.75"~D) 44/2" "X" NIPPLE (OTIS) (3.813" iD) 4 1/2~ "XN" NIPPLE (OTIS) (3.725" ID) 2 7/8" REDUCING NIPPLE X NIPPLE, MIN ID 2.313" 4~t/2 ~ TBG TAiL (BOT SOS) (ELMD) 10,397 0,429 10,429 10,486 10,443 P E RJ~O RAT IQ~u~ U ~I~IA R_~. REF. LOG: BHCS 8/24/85 TIE IN LOG: CBL 8/28/85 Interval 10,716- 10,720' 10,720- 10,750' Oper~/Sqzed Sqzd 5/28/92 Open 6/8/92 10,750 - 10,7~' Sqzd 5/28/92 10,883 - 10,884' Sqzd 5/28/92 MARKER JOINT Packker Rubber Left 7/26/89 UR to Rubber @ 11,090' 5/92 Cement Plugged Back to 11,071 DATE 8~0~5 5/30/92 PBTD 7", 26#/ft, IJ4S REV. BY D JR 6/23/96 7/14/96 SFM/SRW 12/27/98 COMMENTS Comp orion Add Reducing Nipple & Set PBR and 29' 3-1/8" Guns 5/29/86 D.B.~DHOE_SAY UJ~[LT_ BP Exploration (Alaska) TREE:CAMERONwELLHEAD: 4" U 12-- KB, ELEV= 77,42 BF. ELEV = 48.57 ACTUATOR: AXELSON O ~ ~ ~ SSSV LANDING NIPPLE 2,129 (4-1/2 OTiS X)I 3,813" ~D) , Cemented ~ , L-80 BTRS 2,674 (OTIS W/RA LATCH) N-° ! MD(BKB) -I-VDss Dev 5 3,605 3,583 I KOP: 2800 4 6,293 5,632 MAX ANGLE: 49° / 3 8,493 7,172 4 1/2", 12.6#/ft, L-80, IPC TUBING ID: 3.958" '~ .----- SLIDING SLEEVE , 2-7/8" 6.4#/ft L-80 IDS HES PACKER TUBING ID: 2.441" ~ ~,1 I '~ (2.390" MIN. ID), 10,114 !PBR' PKR' X-NIPPLE'WLEG I (HES 'RCP')(2.313" MIN. ID) 10,279 E-Line ~ ~ .,~r....,...~~ 9-5/8" PACKER (TIW)(4.75"1D) I I ~[ 4-1/2" "X" NIPPLE (OTIS) (3.813,, iD) I 10'397I / 9-5/8", 47#/ft, L-80, BTRS ~ ~ 2 7/8" REDUCING NIPPLE ~ 4-1/2" TBG TAIL I 10,466 _ tot,.I (.~, (BOT SOS) I (ELMD) 10,443 PERFORATION SUMMARY, REF. LOG: BHCS 8/24/85 "~ MARKER JOINT II 10,851 I TIE IN LOG: CBL 8/28/85 I :;:;,, Size SPF Interval Open/Sqzed 10,716 - 10,720' Sqzd 5/28/92 3-3/8" 6 10,720 - 10,750' Open 6/8/92 T 10,750 - 10,758' Sqzd 5/28/92 :;:;.-~" 5/28/92 ii~i?:!i.".-"!::ii!i!::!i!": - "'~!i!i!~ ~ili ~~ Packker Rubber Left 7/26/89 10,883- 10,884' Sqzd UR to Rubber @ 11,090' 5/92 3-3/8" 6 10,884- 10,924' Open 5/30/92 ~iiiii...iii~ . [(,,(.~"Z. Cement Plugged Backto 11,071'. 11,002 - 11,102' Sqzd 5/28/92 Rubber Still in Liner ~~ 26' and 29' 3-1/8" Guns 5/29/86 PBTD 11,204 Before Guns Lost [ I DATE REV. BY COMMENTS PRUDHOE BAY UNIT 8/30/85 DJR Initial Ri,q Completion WELL: U-12 (41-13-11-12) 5/30/92 PAB Revised 6/23/96 SFM/SRW Add Reducin~ Nipple & Set PBR APl NO: 50-029-21409 7/14/96 CJS Set Straddle Packer Assy. in PBR SEC 18; T11N; RG12E 12/27/98 Nords Update to PC BP Exploration (Alaska) GAS LIFT MANDRELS (OTIS W/RA LATCH) N-° MD(BKB) TVDss Dev 5 3,605 3,583 4 6,293 5,632 3 8,493 7,172 2 9,876 8,130 1 10,173 8,349 Alaska hared ervices rilling WELL NAME U-12A DRILLING PERMIT/SUNDRY/PRE-RIG COVER SHEET The attached work cannot commence without obtaining the required signatures in the "APPROVAL TO PROCEED" section at the bottom of this cover sheet. "APPROVAL TO PROCEED" will signify AOGCC approval has been received. This cover sheet is applicable to: (only one category per cover sheet) DRILLING PERMIT D Permit Documentation Prepared: ODE: Date:~ I~l Permit Application Reviewed: SDE/ES: Date:~ ]:]Permit Application Submitted: TA: Date:~ PRE-RIG WORK Pre-Rig Memo Reviewed: SDE/ES: Dat¢:~ Pre-Rig Memo Sent to Slope: ODE: Date:~ Pre-Rig Sundry Documentation Prepared: ODE: Date:~ Pre-Rig Sundry Application Reviewed: SDE/ES: Date:~ Pre-Rig Sundry Application Submitted: TA: Date:~ SUNDRY NOTICE I'~'~-1 Sundry Doc~rnent~at}on Prepared: I~_.71 ODE: /~ t~.,~..~._ Date: ~'/~/~fi I Sund~ ~plication Roviewed' ~ SDE~S:'C~~D ~~ Date:~/~/~ ~ Sund~ ~p~lication Submitted: NOTE: IF SUNDRY IS FOR PRE-RIG WORK, USE PRE-RIG WORK SECTION AT BELOW LEFT AND CHECK "ABANDON" BOX BELOW Reason for Sundry (Check all that apply) Abandon Alter Casing Suspend Repair Well Plugging Pull Tubing Variance Other(Explain): Change Approved Program Operation Shutdown Re-enter Suspended Well Time Extension Perforate Stimulate RE'CE VlED JAN g8 1999 APPROVAL TO PROCEED AJaska Oi~ a Gas uons, ~mmmsm~ I ALASKA OIL AND GAS CONSERVATION COMMISSION REPORT { 'SUNDRY WELL OPE' .TIONS 1. Operations performed: Operation shutdown Stimulate Plugging Pull tubing__ Alter casing Repair well 2. Name of Operator BP Exploration (Alaska) Inc. 3. Address P. O. Box 196612, Anchora.cte, Alaska 99519-6612 5. Type of Well: Developmen~l( Exploratory Stratigraphic Service 4. Location of well at surface 462' NSL, 2275' WEL, SEC. 18, T11N, R13E, UPM At top of productive interval 802' SNL, 275' WEL, SEC. 13, T11N, R12E, UPM At effective depth 537' SNL, 411' WEL, SEC. 13, T11N, R12E, UPM At total depth 447' SNL, 455' WEL, SEC. 13, T11N, R12E, UPM Perforate Other X 6. Datum elevation (DF or KB) KBE = 77.42 AMSL 7. Unit or Property name Prudhoe Bay Unit feet 8. Well number U-12 (41-13-11-12) PBU 9. Permit number/approval number 85-182 / 96-020 10. APl number 50029-21409 11. Field/Pool Prudhoe Oil Pool 12. Present well condition summary Total depth: measured true vertical Effective depth: measured true vertical 11280 feet BKB 9141 feet 11141 feet BKB 9044 feet Plugs (measured) Junk (measured) fill at 11141'MD (12/88) Casing Structural Conductor Surface Intermediate Production Liner Perforation depth: Length Size Cemented .. 110 20x30 8 c.v. 2645 13 3/8 3719 c.f. 10651 9 5/8 2286 c, f, o. 865 7 290 c.f. measured 10716'- 10758' (Sag R) I~3RR.1'. l~3.q.qP'. 11~313P' - 111~3P'/Ivi.wh~k) Measured depth 139 2674 10680 10415-11280 true verticabubsea 8665'- 8695' (Sag R) 8785' - 8941' (two Ivishak intervals) Tubing (size, grade, and measured depth~ 1/2" L-80 to 10353' with 4 1/2" tailpipe to 10466' Packers and SSSV (type and measured deptl~ 5/8" TlW packer at 10353'; 4 1/2" SSSV at 2129' True vertical depth BKB 139 2674 8716 8524-9141 ORIGINAL 13. Stimulation or cement squeeze summar~ee attachment Intervals treated (measured) Treatment description including volumes used and final pressure 14. Representative Daily Average Production or Injection Data OiI-Bbl Gas-Md Water-Bbl Casing Pressure Tubing Pressure Prior to well operation Subsequent to operation 1180 1314 219 2190 446 483 765 250 197 174 15. Attachments Copies of Logs and Surveys run Daily Report of Well Operations 16. Status of well classification as: Oil× Gas Suspended Service I17. I hereb(y ~c.~i~ that,~e foregoing is true and correct to the best of my knowledge. Signed ~~//~/~~/ Title Sul~ervisorWaterflood/MiscibleFIood Form 10-404 R~v (~6/1~5/~/' - - SUBMIT IN,,~UP/L. Id~TE 06/23/96 WELLU-12 (41-13-11-13) Tubing Patch Approval Well shut in on arrival. SIWHP 200 psi, lAP 0 psi, OAP 0 psi. Hold Safety/Ops meeting. Make up packer tool string. 13.9' CCL to mid pkr element. Stab lubricator, test to SIWHP. RIH w/head, CCL, XO, Baker model 10 setting tool, PBR, xo, pkr, xo, pup, x-nipple, pup, wleg. Tool falling slowly, RIH 40 fpm. Tool stopped several times while RIH. Tool fell very slowly through the sliding sleeve. Log up tie in pass from 10,325'. Tied in to Leak Detect Log 05/26/96. RIH to 10,325'. Log into position, CCL at 10,271.8'. Middle of pkr element at 10,285'. Fire model 10 setting tool. Positive indication of fire. Log off. HOWARD Attn. ALASKA OiL + GAS CONSERVATION 3001 PORCUPINE DRIVE ANCHORAGE AK, 99501. RE: 'Transmimmai of Data Dear Sir/Madam, Enclosed, please find the data as described below: WELL # DESCRi~ z zON p-os /! CCL FINAL BL+RF ~1 PFC/PERF FINAL BL+RF v t CCL FINAL BL+RF ~1 PLS FINAL BL+RF ~_ CCL FIND~ BL+RF ~PLS FIN~ BL+RF i PFC/PERF FINAL BL+RF --! GR/CCL FIND~ BL+RF Run ~i i Run # i Run ~ ! Run ~ 1 Run ~ 1 Run # ~ Ru~ ~ 1 Run # 1 Run # 1 5073.08 5603 . 12 5786.05 5862.08 6273.02 6565.02 6692. 00 Please sign and renurn to: Attn. Ro~ney D. Paulson Wesnern Atlas Logging Services ~u ~ StreeZ SuZue 20i Am. chorage, ~< 99518 Or FAX to (907) 563-7803 Received by: Date: dUN 2 ! t99 LARRY GRANT Attn. ALASKA OIL + GAS CONSERVATION 3001 PORCUPINE DRIVE ANCHORAGE AK, 99501. Date: 22 January 1996 RE: Transmittal of Data Sent by: F~;D CAP~RY Dear Sir/Madam, Enclosed, please find the data as described below: WELL ~ DESCRIPTION 1 PLS FINAL BL+RF t PLS FINAL BL+RF 1 PLS FINAL BL+RF 1 PLS FINAL BL+RF 1 CCL FINAL BL+RF 1 PLS FINAL BL+RF Run ~ 1 1984.04 Run # 1 2013.06 Run ~ 1 4335.04 Run # 1 4502.02 Run ~ 1 6337.01 Run # 1 6565.01 Please sign and return to: Attn. Rodney D. Paulson Western Atlas Logging Services 5600 B Street Suite 201 Received by: STATE OF ALASKA ALA,ocJ~ OIL AND GAS CONSERVATION COMMISS"r~-N APPLICATION FOR SUNDRY APPROVALS 1. Type of Request: Abandon Suspend ~ Operation Shutdown ~ Re-enter suspended well Alter casing __ Repair well__ Plugging __ Time extension __ Stimulate ~ Change approved program __ Pull tubing ~ Variance X Perforate ~ Other ~ 2. Name of Operator BP Exploration (Alaska) Inc. 3. Address P. O. Box 196612, Anchorage, Alaska 99519-6612 5. Type of Well: Development X Exploratory __ Stratigraphic __ Service 4. Location of well at surface 462' NSL, 2275' WEL, SEC. 18, T11N, R13E, UPM At top of productive interval 802' SNL, 275' WEL, SEC. 13, T11N, R12E, UPM At effective depth 537'SNL, 411'WEL, SEC. 13, T11N, R12E, UPM At total depth 447'SNL, 455'WEL, SEC. 13, T11N, R12E, UPM ORIGINAL 6. Datum elevation (DF or KB) KBE = 77.42 AMSL 7. Unit or Property name Prudhoe Bay Unit 8. Well number U-12 (41-13-11-12) PBU 9. Permit number 85-182 10. APl number 50- 029-21409 11. Field/Pool Prudhoe 0il Pool feet 12. Present well condition summary Total depth: measured true vertical Effective depth: measured true vertical Casing Structural Conductor Surface Intermediate Production Liner Perforation depth: 11280 feet BKB 9141 feet 11141 feet BKB 9044 feet Length Size .. 110 20 x 30 2645 13 3/8 10651 9 5/8 .. 865 7 measured 10716'- 10758' (Sag R) Plugs (measured) Junk (measured) Cemented 8 c.y. 3719 c.f. 2286 C.f. 290 c.f. 10883'- 10992', 11002' - 11102' (Ivishak) true vertical subsea 8665'- 8695' (Sag R) 8785' - 8941' (two Ivishak intervals) fillet 11141' MD (12/88) Measured depth 139 2674 10680 10415-11280 True vertical depth BKB 139 2674 8716 Tubing (size, grade, and measured depth) 4 1/2" L-80 to 10353' with 4 1/2" tailpipe to 10466' 8524-9141 At= bivED ,JAN 2 6 lt196 Packers and SSSV (type and measured depth) 9 5/8" TlW packer at 10353'; 4 1/2" SSSV at 2129' 13. Attachments Description summary of proposal X Detailed operations program BOP sketch 14. Estimated date for commencing operation 16. If proposal was verbally approved Name of approver Date approved 15. Status of well classification as: Oil X Gas Suspended__ Service 17. I hereby ~jfythat the forcing istrue and correct to the best of my knowledge. ~ .~:~~/~__/¢-'¢¢~./-~ Title Supervisor Waterflood/Miscible Flood S~gned ~ FOR COMMISSION USE ONLY Conditions of approval: Notify Commission so representative may witness Plug integrity ~ BOP Test ~ Location clearance ~ Mechanical Integrity Test ¢ Subsequent form required 10- /-L/ ON' ORIGINAL SIGNED BY Approved by order of the Commission Date / ,~,~/~ LApproval No. Approved Commissioner Date Form 10-403 Rev 06/15/88 SUBMIT IN TRIPLICATE U-12 Tubing- Annulus Communication Request for Variance A leak detection log was run on 16 January 1996 in well U-12 and a leak was detected at a tubing coupling at 10243' MD. A kinley caliper log was run on 20 January 1996. Depending on the results of the caliper log it is expected that a straddle will be run across the leak point. JAN 26 1996 ~ CONSERVATION COMMISSION ALASKA OIL AND GAS ! TONY KNOWLES, GOVERNOF~ 3001 PORCUPINE DRIVE ANCHORAGE, ALASKA 99501-3192 PHONE: (907) 279-1433 FAX: (907) 276-7542 December 30, 1994 Jerry Bixby/Steve Farris Wireline/Completion Supervisors BP Exploration (Alaska), Inc P O Box 196612 Anchorage, AK 99519-6612 Re: No-Flow Verification 15 BPX PBU Wells Dear Mr. Bixby/Farris: Our inspectors witnessed no-flow tests on and recommended no-flow status for the 15 BPX PBU wells listed below. The wells were open to an atmospheric tank to determine fluid production and monitored through a gas meter to determine gas production rates. The inspectors recommended "no-flow" status for the wells listed below. Well No. PTD No. Test Date Inspector Fld Rate Gas Rate S - 29 92-099 12/08/94 Grimaldi 0 30 scf/hr P - 04 91-076 12/18/94 Foster 0 0 scf/hr P - 12 91-017 12/18/94 Foster 0 0 scf/hr P - 15 90-176 12/18/94 Foster 0 0 scf/hr P - 16 90-163 12/18/94 Foster 0 0 scf/hr X - 21 93-111 12/18/94 Foster 0 0 scf/hr X - 25 84-034 12/18/94 Foster 0 0 scf/hr R - 08 81-001 12/19/94 Foster 0 0 scf/hr R - 17 81-164 12/19/94 Foster 0 90 scf/hr U - llA 93-081 12/19/94 Foster 0 135 scf/hr U - 12 85-182 12/19/94 Foster 0 180 scf/hr U - 13 78-101 12/19/94 Foster 0 120 scf/hr Y - 02 79-066 12/19/94 Foster 0 120 scf/hr Y - 13 81-112 12/19/94 Foster 0 0 scf/hr Y - 33 91-030 12/19/94' Foster 0 200 scf/hr The above wells meet the criteria of a "no-flow" performance test and as such are considered incapable of flowing, unassisted, to the surface. Under the authority of Conservation Order 341, Rule 5, these wells are not required to have fail-safe automatic SSSVs. However, the LPSs and SSVs must be maintained in good condition and, if for any reason, the wells again become capable of unassisted flow of hydrocarbons, the SSSV$ must be reinstalled and maintained in good working condition. Sincerely, Blair E. Won~ell PI Supervisor cc: Bobby Foster bew/bp! 5wl s4 MEMORANDUM State of Alaska Alaska Oil and Gas Conservation ~:~o'mrnission TO: THRU: FROM: David John~~, C hairm-a'h~ DATE: BlairWondzell, ~ FILE NO: P. I. Supervisor /z('-z3 Fost'~er~''~-. Y""~'~~ Bobby SUBJECT: Petroleum Ins~)'~'ctor December 19,20 & 21, 1994 ll91LSBD.doc No Flow Test BPX- PBU ~ R,Y & U Pads Prudhoe Bay Field Monday, December 19, 1994: I met with Jeff Eckstein, BPX P.E., and continued No Flow test. The wells were tested using the American 425 gas measurement meter used previously in the field. There were 5 wells to be tested, but only 2 were tested, o,,t P,. 70-~ Wells R-9, 21, and~would not bleed down, so only wells R-8 and 17 were tested. '2_~ The crew began bleeding the wells on R pad down in the afternoon of 12-18-94. The bleed down of the Y pad wells began in the afternoon of 12-19-94. The bleed down on the X pad wells began on the after noon of 12-20-94. The gas meter was tied into tubing at the swab cap on each well and a reading was taken approximately every hour for 3 hours with the following results: WELLR-08 81-oof Casing pressure - 240 psig Tubing pressQre- 0 psig Water Cut - 65.2% Test # 1 - 6 scf/hr. Test # 2 - 5 scf/hr. Test # 3 - 0 scf/hr WELL R-17 et - ¢44' Casing pressure- 435 psig Tubing pressure - 0 psig Water Cut - 75.9% Test # 1 - 120 scf/hr. Test # 2 - 90 scf/hr. Test # 3 - 90 scf/hr. WELL Y-02 '7 ~ - ~ Casing pressure - 290 psig Tubing pressure -0 psig Water Cut - 66.9% Test # 1 - 120 scf/hr. Test # 2 - 120 sd/hr. Test Cf 3 - 120 scf/hr. WELLY-13 9/-~(~ Casing pressure - 200 psig Test Cf 1 - 40 sd/hr. Test # 2 - 0 sc-f/hr. Page 2/2 Tubing pressure - 0 psig Water Cut - 71.0% Test # 3 - 0 scf/hr. WELLY-33 al-o3~ Casing Pressure - 200 psig Tubing pressure - 0 psig Water Cut - 64.2 % Test # 1- 550 sd/hr. Test # 2 - 210 sd/hr. Test #.3 - 200 sc'f/hr. WELL U-11A 9 ~' -,a.~, Casing pressure - 520 psig Tubing pressure - 0 psig Water Cut - 97.4% Test # 1 - 150 sd/hr. Test # 2 - 135 scf/hr. Test # 3 - 135 scf/hr. WELL U-12 ~'~-- ~a z Casing presssure - 520 psig Tubing pressure - 0 psig Water Cut - 69.6% Test # 1 - 540 scf/hr. Test # 2 - 190 scf/hr. Test # 3 - 180 scf/hr. WELL U-13 -,, ¢-~o c Casing pressure - 250 psig Tubing pressure- 0 psig Water Cut - 60.0% Test # 1 - 120 scf/hr. Test # 2 - 180 scf/hr. Test # 3 - 120 scf/hr. All of the above listed wells met the requirements set forth by the AOGCC concerning wells with a NO FLOW status.--/-~ ~.¢(~ ~ ~,.,.,',~ c{¢,-,~/:/~'~. Summary,.: I witnessed the acceptible NO FLOW test on the above listed BPX- PBU wells. -. Attachment: NONE STATE OF ALASKA _,,--., A~ . ~ OIL AND GAS CONSERVATION COMMIS~.~N ~ REPORT OF SUNDRY WELL OPERATIONS 1. Operations performed: Operation shutdown Stimulate X Plugging Perforate X ~.~_.-- I Pull tubing Alter casing Repair well Other X "~"_~l~r~5. 2. Name of Operator 5. Type of Well: 6. Datum elevation (DF or KB) '~[~_.~ BP Exploration (Alaska) Inc. Development X KBE = 77.42 AMSL feet~'l Exploratory I 3. Address Stratigraphic 7. Unit or Property name P. O. Box 196612, Anchorage, Alaska 99519-6612 4. Location of well at surface 462' NSL, 2275' WEL, SEC. 18, T11N, R13E, UPM At top of productive interval 802' SNL, 275' WEL, SEC. 13, T11N, R12E, UPM At effective depth 537' SNL, 411'WEL, SEC. 13, T11N, R12E, UPM At total depth 447' SNL, 455' WEL, SEC. 13, T11N, R12E, UPM Service Prudhoe Bay Unit 8. Well number U-12 (41-13-11-12) PBU 9. Permit number/approval number 85-182 / 10. APl number 50- 029-21409 11. Field/Pool Prudhoe Oil Pool 12. Present well condition summary Total depth: measured true vertical Effective depth: measured true vertical 11280 feet BKB 9141 feet 11141 feet BKB 9044 feet Plugs (measured) Junk (measured) fill at 11141'MD (12/88) Casing Length Size Structural -- Conductor 110 20 x 30 S u rfac e 2645 13 3/8 Intermediate 10651 9 5/8 Production -- Liner 865 7 Perforation depth: measured 10716'- 10758' (Sag R) true vertical Tubing (size, grade, and measured depth) Cemented Measured depth 8 c.y. 139 3719 c.f. 2674 2286 c.f. 10680 290 c.f. 10415-11280 10883' - 10992', 11002' - 11102' (Ivishak) subsea 8665'- 8695' (Sag R) 8785' - 8941' (two Ivishak intervals) 4 1/2" L-80 to 10353' with 4 1/2" tailpipe to 10466' True vertical depth BKB 139 2674 8716 8524-9141 Packers and SSSV (type and measured depth) 9 5/8" TIWpacker at 10353'; 4 1/2" SSSV at 212~_~i~ !~' '~'--' !;~ !i ~ ..~' !~. ?!~ 13. Stimulation or cement squeeze summary see attachment Intervals treated (measured) Treatment description including volumes used and final pressure 14. Representative Daily Average Production or Injection Data OiI-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure Prior to well operation Subsequent to operation 1180 1314 219 2190 3440 4848 298 1550 197 249 15. Attachments Copies of Logs and Surveys run Daily Report of Well Operations .. 16. Status of well classification as: Oil X Gas Suspended Service 17. I hereby (jertify that the forego, jng S~lned ( ' / Form 10-40z[ Rev 06/1518-~ is true aqd correct to the best of my knowledge. ~._.~,.-~/..,j Title Senior Technical Assistant I Date SUBMIT IN DUCLI(~ATE 05/25/92 05/28/92 05/30/92 WELL U-12(41-13-11-12) NRWO/REPERF/FRA( A NRWO was performed using the following fluids: 437 BBLS SW TO LOAD WELL 5 BBLS SW 25 BBLS ACID 282 5 BBLS FW(PREFLUSH) 25 28 BBLS FW(SPACER) 30 BBLS DUO-POLYMER (CONTAMINANT) 278 BBLS SW (DISPLACEMENT) 5 25 BBLS CEMENT 28 26 BBLS DUO POLYMER(CONTAMINANT) 32 BBLS SW(DISPLACEMENT) 195 BBLS SW(REVERSE OUT) 131 36 BBLS MEOH (FREEZE PROTECTION CT) 35 BBLS DSL(FREEZE PROTECTION WELL) WELL CLEANED OUT TO 11090' 898 BBLS LOAD FLUID BEHIND PIPE TODAY 5 BBLS CEMENT RECOVERED ACID: 1 5%HCL W/1 0% XYLENE, 1% WS-36, .4% HAl-85, .45% FERCHEK-A CEMENT: 1 5.5 PPG CLASS G CEMENT CONTAINING .2% CFR-3, 01 2% HR-1 2, .1 5 GAL/SK HALAD-344L SQZ# 1  BBLS SW BBLS CEMENT BBLS FW(PREFLUSH) BBLS FW(SPACER) BBLS PW (JET PASS) A NRWO was performed using the following fluids: 205 BBLS SW TO CIRC WELL/INJ 200 BBLS SW TO COOL SUMP 7 30 BBLS CEMENT 4 273 BBLS SW LRO 30 BBLS DUO-POLYMER (JET PASS) 94 130 BBLS SW (FINAL REVERSE OUT) 35 BBLS MEOH (FREEZE PROTECTION WELL) 8 BBLS MEOH (FREEZE PROTECTION WELL) 33 BBLS MEOH (FREEZE PROTECTION CT) 25 BBLS MEOH (FREEZE PROTECTION FLOWLINE) WELL CLEANED OUT TO 11075' 55 BBLS LOAD FLUID BEHIND PIPE (CUMULATIVE APPROXIMATE TOTAL LOAD FLUID BEHIND PIPE IS 953 BBLS) 1 6.5 BBLS CEMENT RECOVERED (DOES NOT INCLUDE CEMENT NOT PUMPED) CEMENT: 1 5.5 PPG CLASS G CEMENT CONTAINING .3% CFR-3, .4% HR-1 2, .3%LWL,.20 GAL/SK HALAD-344L SQZ#3 BBLS FW(PREFLUSH) BBLS EW(SPACER) BBLS SW(JET PASS) The following interval were reperforated using 3 3/8" random orientation and 60° phasing. 10884-1 0924' MD guns, 6 SPF, PAGE WELL U-12(41-13-11-12) NRWO/REPERF/FRAC 06/05/92 06/08/92 06/10/92 Performed a Hydraulic Fracture(Ivishak) treatment using the following fluids: 3O 219 52 21 31 34 168 BBLS 45# GEL PREPAD TO ESTABLISH RATE BBLS PAD W/4% ESL DIRTY 1 PPG 1 5 DIRTY 3 PPG 28 DIRTY 5 PPG 30 DIRTY 7 PPG 276 45#- 20# GEL FLUSH DIRTY 2 PPG DIRTY 4 PPG DIRTY 6 PPG DIRTY 8 PPG The following interval were reperforated using 3 3/8" guns, 6 SPF, random orientation and 60° phasing. 1 0720-10750' MD Performed a Hydraulic Fracture(SAG) treatment using the following fluids: 8 259 65 17 22 24 161 BBLS 45# GEL PREPAD TO ESTABLISH RATE BBLS 45# X-LINK GEL PAD DIRTY 1 PPG 13 DIRTY 2 PPG DIRTY 3 PPG 20 DIRTY 4 PPG DIRTY 5 PPG 23 DIRTY 6 PPG DIRTY 7 PPG 299 DIRTY 8 PPG DIRTY 20# LINEAR GEL FLUSH fjh 6/29/93 BP EXPLORATION -. r BP Exploration (Alaska) Inc. 900 East Benson Boulevard P.O. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 DATE: 09/03/92 T,~ 83871 BP CASED HOLE FINALS Enclosed is your copy of the materials listed questions, please contact BP Well Records at D-07 ?5'''''-2''~ PERF 05/16/92~,~1 ,D-08 PERF 05/17/92 ~1 D-08 ?'/'3~ - CL 05/17/92 #1 F-39~o-t¢! 2ERF -05/09/92 #1 F-43 ~/- ~3~ CL 07/04/92 #1 Gs-01 ]~.-.~0 PERF 06/10/92 #1 - 01 GR/JEWELRY 06 / 5 " K- 02A ~-/$g PERF 05/07/92 #1 IU-12 ~,/~ PERF 06/08/92 #1 U-12 SPINNER 06/08/92 #1 X-25 ~¢'"3~ PERF 06/30/92 #1 10/92 below. If you have any (907) 564-4004. 12050.00-12387.00 HLS 5 " 8600.00-10360.00 HLS 5 " 8600.00-10360.00 HLS 5 " 13350.00-13700.00 HLS 5 " 13247.00-13538.00 HLS 5 " 9900.00-10134.00 HLS 5 " #1 9900.00-10134.00 HLS 11150.00-11328.00 HLS 5 " 10244.00-10758.00 HLS 5 " 10583.00-10780.00 HLS 5 " 10073.00-10498.00 HLS 5 " Information Control Well Records Adrian J. Martin / ;EIVED SEP 1 8 1992. Alaska 011 & Gas Cons. C~nm~ion Anchorage BP EXPLORATION BP Exploration (Alaska) Inc. 900 East Benson Boulevard P.O. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 BP CASED HOLE FINALS DATE: 08/07/92 T# 83584 Enclosed is your copy of the materials listed below. If you have any questions, please contact BP Well Records at (907) 564-4004. F,- 1'4 CNL U-12 ~ TDT-P 08/02/92 #1 07/26/92 #1 9800.00-10400.00 SCH 5 " 10500.00-10906.00 SCH 5 " Information Control Well Records Adrian J. Martin BP EXPLORATION BP Exploration (Alaska) Inc. 900 East Benson Boulevard P.O. Box lg6612 Anchorage, Alaska 99519-6612 (907) 561-5111 DATE: 07/23/92 T# 83747 BP CASED HOLE FINALS Enclosed is your copy of the materials listed below· If you have any cuestions, please contact BP Well Records at (907) 564-4004. B-32 ~/j~o INJ 07/11/92 #1 5-32 INJ 07/14/92 #1 E-26 ~-~ GAS ENTRY SURVEY 07/ 5 " F-46 ~'/~ PROD-F 07/01/92 #I M-30 ~,~'9° PROD-F 07/06/92 U- 12 ~r-/~ PROD-F 06/30/92 W-05 ~3 TEMP 07/03/92 ~.~-40 f/~/~P TE~ 07/03/92 x-09 .~ JEW~LaY 0~/ ~6 5 " IX-09 PROD-F 07/06/92 QX-09 PROD-F 07/03/92 Y-32 u ~- 9{_~/ . ITS 07/~/~ information Control ;';ell Records Adrian J. Martin 07/92 06/92 10250.00-10850.00 CAMCO 5 " 10250.00-10770.00 CAMCO 5 " #1 9000.00- 9147.00 CAMCO 9200.00- 9400 10700.00-11150 10600·00-10901 14200.00-14444 9950.00-10332 #1 12830 · 00 CAMCO 5 " · 00 CAMCO 5 " .00 CAMCO 5 " .00 CAMCO 5 " · 00 CAMCO 5 " · 00-12388.00 CAMCO 11900.00-12320 11900.00-12320 11800.00-12750 C~MCO 5 " CAMCO 5 " CAMCO 5 " RECEIVED dui,_ _9 a ~qq,o Alaska Oil & Gas Cons. Commission Anchorage BP EXPLORATION BP Exploration (Alaska) Inc. 900 East Benson Boulevard RO. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 DATE: 06/06/92 T# 83560 BP CASED HOLE FINALS Enclosed is your copy of the materials listed below. If you have any questions, please contact BP Well Records at (907) 564-4004. G-il CCL / 06/01/92 #1 10000.00-11360.00 ATLAS 5 " U-12 ~PFCV/ 05/30/92 #1 10660 00-11045 00 ATLAS 5 " - . Information Control Well Records Adrian J. Martin JUN 11 1992 Alaska 0il & Gas Cons. Commission Anchorage BP EXPLORATION BP Exploration (Alaska) Inc, ~30 East Benson Boulevard P.O. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 DATE: 03/09/92 T# 83308 BP CASED HOLE FINALS Enclosed is your copy of the materials listed below. If you have any questions, please contact BP Well Records at (907) 564-4004. '/'X-03 7~-~_~ CCL/PERF U- 12 ~--/F~_ P ROD-F U-07~--~° PROD-F x-02 ??-~ 7. PROD-F G-32~~-/FW PROD-F W-38 ~F~ LEkK DET M-26 ~o--/ PROD-F ~-07 f/-~ LZ~m DS= C-07 F~'/~ TEMP U-08~V~°~ PROD-F K-02A~]~GAS ENTRY SURVEY 5 " ~-~ Z~-m ~AS SNT~ mOS 2 " 02/29/92 #1 01/26/92 #1 01/25/92 #1 01/25/91 #1 02/05/92 #1 01/23/92 #1 01/21/92 #1 01/19/92 #1 02/04/92 #1 01/26/92 #1 01/15/92 #1 11650.00-11870.00 ATLAS 5 " 10650.00-11090.00 CAMCO 5 " 9550.00- 9725.00 CAMCO 5 " 9550.00- 9800.00 CAMCO 5 -" 9000.00- 9456.00 CAMCO 5 " 13000.00-14200.00 CAMCO 5 " 10950.00-11522.00 Ck~CO 5 " 250.00- 3100.00 CAMCO 2 " 11550.00-11752.00 CAMCO 5 " 9650.00- 9655.00 CAMCO 5 " 11000.00-11547.00 CAMCO 01/21/92 10750.00-11950.00 CAMCO Information Control Well Records Adrian J. Martin RECEIVED MAR 2 4 1992 A/aska 011 & Gas Cons. Commission Anchorage BP EXPLORATION BP Ex¢toration (Alaska) Inc. 900 East Benson Boulevard RO. Box 196612 Anchorage. Alaska 99519-6612 (907) 561-5111 To: Distribution Date: 09/26/89 Transmittal: 80416 From: Information Control Well Records LR2-1 Subject: BP CASED HOLE FINAL LOGS Enclosed is your copy of the material listed below. If you have any questions, please contact BP Well Records at (907) 564-4445. F-22 CBT 09/21/89 81 9800-9842 Sch F-22 CETS 09/21/89 81 9800-9865 Sch 5" C-31 Comp 09/08/89 81 11180-11668 Sch 5" U-12 Prod-F 09/20/89 81 10600-11080 Sch 5' Distribution: ARCO CHEVRON EXXON GEOSCIENCES HOUSTON MOBIL PHILLIPS ~ ALASKA . ARCHIVES BP EXPLORATION BP Exploration (Alaska) Inc. 900 East Benson Boulevard RO. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 August 4, 1989 Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 Attention: Mr. C. V. Chatterton Well U-12 (41-13-11-12) PBU Gentlemen: Enclosed, in duplicate, is Form 10-404, Report of Sundry Well Operations, for the above-named well. This contains our subsequent report of stimulating the well. Yours very truly, uction Engineering JAM: JAM Enclosures (4) cc: L. Burke (MB12-1) Well Records (LR2-1) w/10 Well File STATE OF ALASKA .... KA OIL AND GAS CONSERVATION COM,~,,._ ,N REPORT OF SUNDRY WELL OPERATIONS 1. Operations performed' Operation shutdown Stimulate X Plugging Pull tubing Alter casing Repair well. 2. Name of Operator BP Exploration (Alaska) Inc. 3. Address P. O. Box 196612, Anchorage, Alaska 99519-6612 5. Type of Well: Development ..~ Exploratory S~'afigraphic Service , Perforate Other 6. Datum elevation (DF or KB) KBE = 77.42 AMSL feet 7. Unit or Property name Prudhoe Bay Unit 4. Location of well at surface 462' NSL, 2275' WEL, SEC. 18, T11N, R13E, UPM At top of productive interval 802' SNL, 275' WEL, SEC. 13, T11N, R12E, UPM At effective depth 537'SNL, 411'WEL, SEC. 13, T11N, R12E, UPM At total depth 447'SNL, 455'WEL, SEC. 13, T11N, R12E, UPM 12. Present well condition summary Total depth: measured true vertical BKB Effective depth: measured true vertical BKB 8. Well number U-12 (41-13-11-12) PBU 9. Permit number/approval number 85-182 / 9-644 10. APl number 50- 029-21409 11. Field/Pool Prudhoe Oil Pool 11280 feet 9141 feet 11141 feet 9044feet Plugs (measured) Junk (measured) fill at 11141'MD (12/88) Casing Length Structural -- Conductor 110 Surface 2645 Intermediate 10651 Production -- Liner 865 Perforation depth: measured true vertical Size Cemented 20 x 30 8 c.y. 13 3/8 3719 c.f. 9 5/8 2286 c.f. Measured depth True vertical depth BKB 139 139 2674 2674 10680 8716 7 290 c.f. 10716'. 10758' (Sag R) 10883'. 10992', 11002' - 11102' (ivishak) subsea 8665'- 8695' (Sag R) 8785'- 8941'(two Ivishak intervals) Tubing (size, grade, and measured depth) 10415-11280 8524-9141 4 1/2" L-80 to 10353' with 4 1/2" tailpipe to 10466' Packers and SSSV (type and measured depth) 95/8" TlWpackerat 10353';4 1/2"SSSVat2129': ': ~ - ~ 13. Stimulation or cement squeeze summary see attachment Intervals treated (measured) Treatment description including volumes used and final pressure 14. Reoresentative Daily Average Production or Injectiop Dat~ OiI-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure Prior to well operation Subsequent to operation 2060 1652 93 1161 2260 2190 148 844 228 216 15. Attachments Copies of Logs and Surveys run Daily Report of Well Operations 16. Status of well classification as: Oil X Gas Suspended Service 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. Signed (~/I/Y~~3/'~~ Title Mana~ier Production En~ineerin~ Form 10~q/4 Rev 06/15/88 ~ (/ SUBMIT IN DUPLICATE WELL U-I~ (~1.13-11-12} PBU SAG RIVER HYDRAULIC FRACTURE OPERATIONS A hydraulic fracture of the Sag River formation (perforated interval 10716' - 10758' MD BKB) was performed as follows. 7/23-25/89 Isolated the Ivishak with an inflatable bridge plug set at 10856'. Dumped calcium carbonate scale and frac sand on top of bridge plug. 7/25/89 Fractured the well as programed. Left well shut-in overnight. 7/26-27/89 Cleaned out frac sand and calcium carbonate particales left in the wellbore Retrieved inflatable packer. Put the well back on production slowly and tested. jam 8/3/89 BP EXPLORATION BP Exploration (Alaska) Inc. - 900 ~:ast Benson Boulevard P.O. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 July 21, 1989 Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 Attention: Mr. C. V. Chatterton Well U-12 (41-13-11-12) PBU Gent lemen: Enclosed, in triplicate, is Form 10-403, Application for Sundry Approvals, for the above-named well. This contains our proposal to stimulate the well. Yours very truly, Manager Production Engineering JAM:JAM Enclosures (6) cc: L. Burke (MB12-1) Well File ,- .... oKA OIL AND GAS CONSERVATION APPLICATION FOR SUNDRY APPROVALS 1. Type of Request: Abandon __ Suspend ~ Alter casing Repair well~ Change approved program __ Operation Shutdown ~ Plugging ~ Time extension __ Pull tubing __ Vadance ~ Perforate ~ 2. Name of Operator BP Exploration (Alaska) Inc. 3. Address P. 0. Box 196612, Anchorage, Alaska 99519-6612 4. Location of well at surface 462' NSL, 2275' WEL, SEC. 18, T11N, R13E, UPM At top of productive interval 802' SNL, 275' WEL, SEC. 13, T11N, R12E, UPM At effective depth 537'SNL, 411' WEL, SEC. 13, T11N, R12E, UPM At total depth 447' SNL, 455' WEL, SEC. 13, T11N, R12E, UPM 12. Present well condition summary Total depth: measured 11280 feet true vertical BKB 9141 feet 5. Type of Well: Development X Exploratory ~ Stratigraphic ~ Service Re-enter suspended well Stimulate x Other 6. Datum elevation (DF or KB) KBE = 77.42 AMSL feet 7. Unit or Property name Prudhoe Bay Unit 8. Well number U-12 (41-13-11-12) PBU 9. Permit number 85-182 10. APl number 50- 029-21409 11. Field/Pool Prudhoe Oil Pool Plugs (measured) Effective depth: measured 11141 feet true vertical BKB 9044 feet Junk (measured) fill at 11141'MD (12/88) Casing Structural Conductor Surface Intermediate Production Liner Perforation depth: Length Size Cemented Measured depth True vertical depth .. BKB 110 20 x 30 8 c.y. 139 139 2645 13 3/8 3719 c.f. 2674 2674 10651 9 5/8 2286 c.f. 10680 8716 .. 865 7 290 c.f. measured 10716'- 10758' (Sag R) 10883' - 10992', 11002'- 11102' (Ivishak) true vertical subsea 8665'- 8695'(Sag R) 8785'- 8941' (two Ivishak intervals) 10415-11280 Tubing (size, grade, and measured depth) 4 1/2"L-80 to 10353' with 4 1/2" tailp~oe to 10466' Packers and SSSV (type and measured depth) 9 5/8" TIWpacker at 10353'; 4 1/2" SSSV at 2129' 8524-9141 13. Attachments Description summary of proposal X Detailed operations program BOP sketch X 14. Estimated date for commencing operation July~August 1989 16. If proposal was verbally approved Name of approver Date approved 15. Status of well classification as: Oil X Gas Suspended Service 17. I hereby certify that the foregoing is true and correct to the best of my knowledge. I Signed (~~ ,~'/~~ Title Manager Production Engineering I /'/ ~'(.,/ FOR COMMISSION USE ONLY I Condit~ns of approval: Notify Commission so representative may witness Plug integrity ~ BOP Test~ Location clearance ~ Mechanical Integrity Test Subsequent form required 10- ~ ~¥ Approved by order of the Commission Form 10-403 Rev 06/15/88 ORIGINAL SIGNED BY ..... '"' 0. 9MIT~ LUI~I¥1[- · Date 7./~'(~¢? I Approval No. ¢~. ~,~,¢~,,¢ Approved Or . Returned ~mmissioner Dale --~- ¢ b- ?~ SUBMIT IN TRIPLICATE ,WELL U-12 (41-13-11-12~ PBU SAG RIVER HYDRAULIC FRACTURE PROPOSAL A hydraulic fracture of the Sag River formation (perforated interval 10716' - 10758' MD BKB) is proposed as follows. Isolate the Ivishak with an inflatable bridge plug set between 10758' and 10883' MD BKB. Dump 10' of calcium carbonate scale on top of bridge plug. 2. Rig up fracturing equipment and pressure test. Fracture the well as follows: Volume Pro p p ant Rate Stage. (Mgals) PPG TYPE LBS BPM Prepad 2.0 Establish injection 20 15% HC1 2.0 20 Prepad 7.5 20 Shut down to record ISIP then proceed with treatment. Pad w/OSR 2.0 0 0 20 Pad w/OSR ' 5.0 0.1 100 mesh 500 20 Pad w/OSR 1.0 0 0 20 1 0.5 0.5 20/40 CL 250 20 2 0.5 1.0 20/40 CL 500 20 3 0.5 3.0 20/40 CL 1500 20 4 0.5 5.0 20/40 CL 2500 20 5 0.5 7.0 20/40 CL 3500 20 6 0.5 8.0 20/40 CL 4000 20 Flush 7.1 0 0 20 Total 12,250 3~ , e Leave well shut-in overnight. Clean out any frac sand left in the wellbore along with the calcium carbonate particles; retrieve bridge plug. Put the well back on production slowly and test as soon as production stabilizes. Run a spinner/temperature survey to evaluate Sag River production. jam 7/14/89 S~rindcird Alaska Production Compcin¥ 900 East Benson Boulevc~,_. P.O. Box 196612 Anchorage, Alaska 99519-6612 (907) 561-5111 STANDARD ALASKA PRODUCTION January 31, 1989 Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 Attention: Hr. C. V. Chatterton Well U-12 (41-13-11-12) PBU Gentlemen: Enclosed, in duplicate, is Form 10-404, Operations, for the above-named well. subsequent report of stimulating the well. Report of Sundry Well This contains our Yours very truly, .~nk. Bragg ager Production Engineering JAB:JAM Enclosures (4) cc: L. Burke (MB12-1) Well Records (LR2-1) w/10 U-12 Well File RECEIVED FEB 2 A unit of ~'he original Standard Oil Company Founded in Cleveland, Ohio, in 1870. STATE OF ALASKA AL~,~KA OIL AND GAS CONSERVATION COMMI$',;~.JN REPORT OF SUNDRY WELL OPERATIONS 1. Operations performed: Operation shutdown Stimulate X Plugging Pull tubing Alter casing Repair well Perforate Other 2. Name of Operator Standard Alaska Production Company 3. Address P. O. Box 196612, Anchorage, Alaska 99519-6612 4. Location of well at surface 462' NSL, 2275' WEL, SEC. 18, T11N, R13E, UPM At top of productive interval 802' SNL, 275' WEL, SEC. 13, T11N, R12E, UPM At effective depth 537'SNL, 411' WEL, SEC. 13, T11N, R12E, UPM At total depth 447'SNL, 455'WEL, SEC. 13, T11N, R12E, UPM 5. Type of Well: Development Exploratory Stratigraphic Service 6. Datum elevation (DF or KB) KBE = 77.42 AMSL feet 7. Unit or Property name Prudhoe Bay Unit 8. Well number U-12 (41-13-11-12) PBU 9. Permit number/approval number 85-182 / 8-952 10. APl number 50- 029-21409 11. Field/Pool Prudhoe Oil Pool 12. Present well condition summary Total depth: measured true vertical Effective depth: measured true vertical 11280 feet BKB 9141feet 11141feet BKB 9044feet Plugs (measured) Junk (measured) fill at 11141' MD (12/88) Casing Structural Conductor Surface Intermediate Production Liner Perforation depth: measured Length Size Cemented Measured depth True vertical depth - - BKB 110 20 x 30 8 c.y. 139 139 2645 13 3/8 3719 c.f. 2674 2674 10651 9 5/8 2286 c.f. 10680 8 716 true vertical .. 865 7 290 c.f. 10415-11280 8524-9141 10716'- 10758' (Sag R) 10883' - 10992', 11002'- 11102' (Ivishak) subsea 8665'- 8695' (Sag R) 8785'- 8941'(two Ivishak intervals) 4 1/2"L-80 to 10353' with 4 1/2"tailpipe to 10466' Tubing (size, grade, and measured depth) Packersand SSSV (type and measured depth) 9 5/8" TIWpacker at 10353'; 41/2" SSSV at 2129'~ ~ [,~,?~ ~.~ ~ ~ i .:~ ~ ~, ~ 13. Stimulation or cement squeeze summary see attachment Intervals treated (measured) Treatment description including volumes used and final pressure 14. Prior to well operation Subsequent to operation Reoresentative Daily Average Production or Injection Data OiI-Bbl Gas-Md Water-Bbl Casing Pressure 992 1100 57 1148 2010 2425 110 1633 Tubing Pressure 229 221 15. Attachments 16. Status of well classification as: Copies of Logs and Surveys run Daily Report of Well Operations X Oil X Gas Suspended Service I17. I hereby certify that the foregoing is true and correct to the best of my knowledge. Form 1~/4~4 Rev 06/15/88 Date/' '~/'(~ SUBMIT IN DUPLICATEt !. WELL U-12 (41-13-11-12~ PBU STIMULATION OPERATIONS A half-strength mud acid wash was performed 12/29/88 on the following perforated intervals in Well U-12. 10883' - 10992' MD BKB 11002' - 11102' MD BKB Prior to the job the well was underreamed from 10850' to 11141' MD. A perf wash tool run on coiled tubing was utilized to selectively stimulate the perforations in ten-foot stages with the following treatment fluids. 322 bbls. 15% HC1 493 bbls. 6% HC1 - 1.5% HF w/53 bbls. diverter 476 bbls. 2% NH4C1 The well was returned to production immediately following the treatment, then tested. The following scale inhibition treatment was performed 1/6/89: 10 bbls. diesel 73 bbls. EDTA 174 bbls. scale inhibitor solution 829 bbls. seawater overflush The well was left shut in for 24 hours, then returned to production and tested. jm 1/25/89 RECEIVED Standard AIr~ska Production Company 900 East Benson Boulevo,,~ P.O. B~f..x 196612 Anchorage, Alaska 99519-6612 (907) 56t-5111 STANDARD ALASKA PRODUCTION December 13, 1988 Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 Attention: Mr. C. V. Chatterton Well U-12 (41-13-11-12) PBU Gentlemen: Enclosed, in triplicate, is Form 10-403, Application for Sundry Approvals, for the above-named well. This contains our proposal to stimulate the well. Yours very truly, JAB:JAM Enclosures (9) cc: L. Burke (MB12-1) U-12 Well File /¢ A. Bragg ~/~anager Production Engineering A unii of the original Standard Oil Company Founded in Cleveland, Oh;o, in 1870. STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMIS~'~oN APPLICATION FOR SUNDRY APPROVALS 1. Type of Request: Abandon __ Suspend __ Operation Shutdown Re-enter suspended well__ Alter casing__ Repair well __ Plugging __ Time extension__ Stimulate X Change approved program __ Pull tubing __ Variance__ Perforate__ Other__ 2. Name of Operator Standard Alaska Production Company 3. Address P. O. Box 196612, Anchorage, Alaska 99519-6612 5. Type of Well: Development X Exploratory __ Su'atigraphic__ Service 6. Datum elevation (DF or KB) KBE = 77.42 AMSL feet 7. Unit or Property name Prudhoe Bay Unit 4. Location of well at surface 8. 462'NSL, 2275' WEL, SEC. 18, T11N, R13E, UPM At top of productive interval 9. 802' SNL, 275' WEL, SEC. 13, T11N, R12E, UPM At effective depth 10. 565'SNL, 397' WEL, SEC. 13, T11N, R12E, UPM At total depth 11. 447' SNL, 455' WEL, SEC. 13, T11N, R12E, UPM Well number U-12 (41-13-11-12) PBU Permit number 85-182 APl number 50- 029-21409 Field/Pool Prudhoe Oil Pool 12. Present well condition summary Total depth: measured true vertical Effective depth: measured true vertical 11280 feet BKB 9141 feet 11097 feet BKB 9014 feet Plugs (measured) Junk (measured) fill at 11097'MD (05/88) Casing Length Size Cemented Measured depth Structural -- Conductor 110 20 x 30 8 c.y. 139 Surface 2645 13 3/8 3719 c.f. 2674 Intermediate 10651 9 5/8 2286 c.f. 10680 Production -- Liner 865 7 290 c.f. 10415-11280 Perforation depth: measured 10716'- 10 758' (Sag R) 10883'- 10992', 11002'- 11102' (lvishak) true vertical subsea 8665'- 8695' (Sag R) 8785'- 8941' (two Ivishak intervals) Tubing (size, grade, and measured depth) 4 1/2" L-80 to 10353' with 4 1/2" tailpipe to 10466' Packers and SSSV (type and measured depth) 9 5/8" TIWpacker at 10353'; 4 1/2" SSSV at 2129' True vertical depth BKB 139 2674 8716 8524-9141 13. Attachments Description summary of proposal X Detailed operations program BOP sketch 14. Estimated date for commencing operation December 1988 16. If proposal was verbally approved Name of approver Date approved 15. Status of well classification as: Oil X Gas Suspended~ Service 17. I hereby ce6ify that the foregoing is true and correct to the best of my knowledge. Signed (~//,/'J,'~ ~'~~ Title Manager Production Engineering // - - co ss o. Condi¢~s of approval: Notify Commission so representative may witness "Plug integrity BOP Test Location clearance Mechanical Integrity Test~ Subsequent form required 10- ~ Date/2'¢' ~O~ I Approval No. ORIGINAL SIGNED BY Approved by order of the Commission LONN!E C. S,~!T,u, Commissioner &pp¢oved Copy Returned ~ - Date /~' SUBMIT IN TRIPLICATE WELL U-12 (41-13~-11-12~ PBU STIMULATION P. ROPOSAL A half-strength mud acid wash is proposed for the following perforated intervals in Well U-12. 10883' - 10992' MD BKB 11002' - 11102' MD BKB Prior to the job the well will be underreamed from 10850' to 11150'. A perf wash tool run on coiled tubing will be utilized to selectively stimulate the perforations in ten- foot stages with the following treatment fluids. 650 gal. 15% HC1 1000 gal. 6% HC1 - 1.5% HF 1000 gal. 2% NH4C1 The well will be put back on production immediately following the treatment, then tested. jm 12/9/88 BOWEN PACF;;:OFF FLOW TUBES & PACKOFF GREASE SEAL FLOWTUBE PUMP FLOWLINE FLOWLINE VALVE GREASE LINE RISER GREASE / MANIFOLD GREASE PUMP ~-GREASE RESERVOIR BOP Pfodu¢lion Comer ~ Ease ~en$on Boulevard P.O. ~x 19~12 Anchorage. Alaska ~519-~12 (~7) 564.51 I ! DALLAS ARCO CHEVRON EXXON TEXACO TO: MOBIL REFERENCE: PHILLIPS STATE OFALASKA GEOSCIENCES RESERVOIR ARCHIVES SAPC CASED HOLE FINAL LOGS I NOEXED , , STANDARD ALASKA PRODUCTION 06/16/88 Date: 78970 TI: The following material Is being submitted herewith. Please acknowledge receipt by signing a copy of this letter and returning It to this office: A-26 J-9 M-6 U-12 Production Profile Leak Detection Leak Detection Production Profile 05/30/88 #1 10250-11106 Camco 5" 06/04/88 #1 15- 8800 .... 06/04/88 #1 15- 3010 " " 05/31/88 #1 10550-11095 " " Anchorage Rece i ved Date Jennifer Dietz I NFORNA'r I ON COhI~OL Wel I Records LR2-1 A un~l al the or~g;no| c~landotd C~I Co~pony Founded in Cle~,elond. Oh;o. ~n 1870. Slandard Alas, ko P~oduclion Companl, 900 Fo,,,! Ben,,on Bouh_ .- PO Box 196612 Anchmoge. AlonZo 99519-6612 ~907) 564.5 I I I INDEXED TO: DALLAS ARCO CHEVRON EXXON TEXACO MOBIL PHILLIPS STATE OF ALASKA STANDARD ALASKA PRODUCTION Date: 08/05/87 T#: 78106 REFERENCE: SAPC FINAL DATA - PRESSURE SURVEY DATA The following material Is being submitted herewith. Please acknowledge receipt by signing a copy of thls letter and returning it to this office: A-1 07/09/87 Camco Static Gradient A-22 07/12/87 " " " A-26 07/09/87 " " " A-29 07/11/87 " " " A-32 07/13/87 " " " A-35 07/13/87 " " " D-9 07/21/'87 " " " D-25 07/10/87 " " " D-26 07/10/87 " " " D-27 07/07/87 " " " D-28 07/22/87 " " " D-29 07/22/87 " " " G-19 07/08/87 " " " G-25 07/08/87 " " " G-31 07/07/87 " " " H-21 07/25/87 " " " H-22 07/25/87 " " " H-24 07/25/87 " " " H-26 07/25/87 " " " J-22 07/27/87 " " " U-2 07/17/87 " " " U-6 07 / 17 / 87 " " " U-8 07/16/87 U-12 07/15/87 X-2 07/27/87 Y-1.2 07/15/87 Rece i red Il I~~(] Il Aldrid e~..0 ! Wel I Records LR2-1 Standard Alaska Pwoductlon Company ~ Eo$I Ben',on Boulev. P.O. Bo~, 196612 Ancho~oge, Alosko 99519.6612 ~907) .564.511 I DALLAS. ARCO CHEVRON EXXON TEXACO TO: biO B IL PHILLIPS STATE OF ALASKA GEOSCIENCES INDEXED STANDARD ALASKA PRODUCTION Date: 04/15/87 TI: 77826 REFERENCE: SAPC CASED HOLE FINAL LOGS The following material Is being subml~ed herewlfh. Please acknowledge receipt by slgnln9 a copy of this leffer and returning if *o *his office: ~ B-30 F-31 ~'~- G-30 J-21 '~J-22 "-~ J-22 ~'-~- 8-20 ~ U-12 CNL 11/22/86 #1 9300-10602 Sch 5" CNL 11/15/86 #1 8600-9544 Sch 5" Perf. Record 11/13/86 #1 8600-9736 Sch 5" CBT 03/29/87 #1 8650-9682 Sch 5" GCT 03/30/87 #1 0-10483 Sch 5" CBT 03/29/87 #1 9300-10519 Sch 5" Perf. Record 11/28/86 #1 8700-9743 Sch 5" Perf. Record 11/30/86 #2 10700-11120 Sch 5" ~ Alaska Oil & Gas Cons. Commission v, Anchorage ~ecb i ved Victoria Aldridge INFORMATION CONTROL Date Wel I Records LR2-1 A un;I o! the o,,'iginol $)ondofd 0,1 Comp¢~ny Founded ,n Cle,,elond. C~,o. ,n 1870 Standard Alaska Production Compa~ 900 Eost Benson Bou, P.O. Box 196612 Anchorage, Alaska 99519-6612 (907~ 561-5111 November 24, 1986 ALASKA PRODUCTI- I'I Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 Attention: Mr. C. V. Chatterton Well U-12 (41-13-11-12) PBU Gentlemen: Enclosed, in duplicate, is Form 10-404, Report of Sundry Well Operations, for the above-named well. This contains our subsequent report of perforating the well. Yours very truly, PFB:JAM~ Enclosures (4) cc: J. L. Haas (MB12-1) Well Records (LR2-1) w/10 U-12 Well File P. F. Barth, Supervisor Reservoir/Production Surveillance Unit I A u,~,! of the or,g,r, ol Stor'dord O;I Comoan¥ Founded ,n Cleveland Oh,o ,n 1870 STATE OF ALASKA ALAS[ )IL AND GAS CONSERVATION COMI .~ION REPORT OF SUNDRY WELL OPERATIONS 1. Operations performed: Operation shutdown ~ Stimulate ~.' Plugging -__ Perforate ~ Pull tubing Alter Casing -- Other -- 2. Name of Operator 5. Datum elevation (DF or KB) STANDARD ALASKA PRODUCTION COMPANY KBE = 77.42 Feet 3. Address 6. Unit or Property name P. O. BOX 196612, ANCHORAGE, ALASKA 99519-6612 Prudhoe Bay Unit 4. Location of well at surface 462' NSL, 2275' WEL, Sec. 18, At top of productive interval (top Sag 802' SNL, 275' WEL, Sec. 13, At effective depth 481' SNL, 439' WEL, Sec. 13, At total depth 447' SNL, 455' WEL, Sec. 13, T11N, R13E, UPU R. SST) T11N, R12E, UPU T11N, R12E, UPU T11N, R12E, UPU 7. Well number U-12 (41-13-11-12) PBU 8. Approval number N/A 9. APl number 5O-- 029-21409 10. Pool Prudhoe Oil Pool 11. Present well condition summary Total depth: measured true vertical 11 280 ¢"et,,, Plugs /-',, ,~ ~'~ ..... ~ .... "~'~/ 9141 feet BKB Effective depth: measured true vertical 11228 feet Junk(measured) Fish Top @ 11173' 9105 feet BKB 12. Casing Length Structural -- Conductor 61 ' Surface 2625 ' Intermediate 1 0631 ' Production -- Liner 865 ' Perforation depth: measured 10716' - 10758' 10883' - 11102' Size Cemented Measured depth True Vertical depth BKB 20"x30" 8 cu·yds. 110' 110' 13 3/8" 3719 c.f. 2674' 2674' 9 5/8" 2286 c.f· 10680' 8716' 7" 290 c.f. (Sag R. ) (two Ivishak intervals) 1041 5' -11280 ' 8524 '-9141 ' true vertical (subsea) 8665' - 8695' 8785' - 8941' Tubing (sJze, grade and measured depth) 4 1/2" L-80 to 10353' with 4 1/2" tailpipe to 10466' Packers and SSSV (type and measured depth) 9 5/8" TIW packer at 10353'; 4 1/2" SSSV at 2129' Stimulation or cement squeeze summary Intervals treated (measured) Treatment description including volumes used and final pressure 13. Representative Daily Average Production or Injection Data OiI-Bbl Gas-Mcf Water-Bbl Casing Pressure Tubing Pressure Prior to well operation Subsequent to operation 3100 4460 65 0 205 14. Attachments Daily Report of Well Operations % Copies of Logs and Surveys 15. I hereby certify that the foregoing is true and correct to the best of my knowledge Signed ~'~, (~, ~ ,,,'~..~ Form 10-404 Rev. 12-1-85 ~ Title Supvr. Res/Prod. Surveillance I Date II Ioj~¢ Submit i 2/Du~pl icate PERFORATING DATA - Well U-12 (41-13-11-12) PBU 4/17/86 Pressure tested tubing and inner annulus. 4/19/86 Installed and tested lubricator to 3500 psi for all well work. Rigged up Gearhart and perforated the following Sag River interval for initial production using 3 1/8" HSC guns at 4 spf: 10716' - 10758' MD BKB (8665' - 8695' TVDss) Left well shut-in. 5/27/86 Ran initial static pressure survey at 8800' TVDss. 5/29/86 Installed and tested lubricator to 3500 psi for all well work. Rigged up Gearhart and perforated the following Ivishak interval for initial production using 3 1/8" HSC guns at 4 spf: 11002' - 11102' ~ BKB (8870' - 8941' TVDss) Left two perf guns in hole. 5/30/86 6/3/86 Rigged up Schlumberger and completed perforating operations using 2 7/8" Hyperdome guns at 4 spf: 10883' - 10992' MD BKB (8785' - 8863' TVDss) Put well on production. Set and tested SSSV in ball valve nipple at 2129'. Note: Ail depths are referenced to BHCS/GR, 8/24/86. jm 11/07/86 Standard Ala$1~a Production Company 900 Eost Ben$on Boulev~. _ P.O. Bo~ 196612 Anchoroge, Alosl~o 99519-6612 1907! 564.$1 I I INDEXED DALLAS ARCO CHEVRON EXXON TEXACO Date: 11/05/86 To: MOBIL ~t: 77490 PHILLIPS STATE OF ALASKA GEOSC IENCES STANDARD ALASKA PRODUCTION REFERENCE:' SAPC CASED HOLE FINAL LOGS The following material is being submitted herewith. Please acknowledge receipt by signing a copy of this letter and returning it to this office: - D-11 Caliper 10/27/86 #1 29-9510 Camco 5" G-19 CET 06/27/86 #1 10330-11550 Sch 5" M-4 Perf. Record 05/25/86 #1 9370-11660 Sch 5" M-17 Perf. Record 06/01/86 #1 11000-1.1749 Sch 5" N-7 Packer Depth 05/21/86 #1 9400-10450 Sch 5" R-12 Perf. Record 06/03/86 #1 10400-10968 Sch 5" R-23 Perf. Depth Record 05/06/86 #1 11490-11900 Sch 5" U-12 Perf. Record 05/30/86 #1 10800-11100 Sch 5" X-5 CET/GR 05/10/86 #1 9468-10700 Sch 5" Y-20 GCT 06/21/86 #1 Surf-12107 Sch 5" Y-23 GCT 06/23/86 #1 -8-11566 Sch 5" Rece i ved Dale ,,..~,o nil & Gas Cons. Commiss ~- - Anch0ra[~e J. ~,o. ,n 1870 Vict~Aldridge INFORMATION CONTROL Well Records LR2-1 Standard Alasl~a Produclion Company 900 East 8enson BoulevL P.O. Bo~ 196617 Anchorage. Alaska 99519-6612 (907) 564.51 ! I INDEXED _ TO: DALLAS ARCO CHEVRON EXXON TEXACO MOBIL PHILLIPS STATE OF ALASKA GEOSCIENCES (Transmittal Only) STANDARD ALASKA PRODUCTION Date: 09/11/86 TI: 77323 REFERENCE: SAPC FINAL DATA - PRESSURE SURVEY DATA The following material is being submitted herewith. Please acknowledge receipt by signing a copy of this le~-fer and returning it to this office: ~ A-31 ~-A-34 ~B-29 ~C-32 ~D-6 ~D-27 -- D-29 ~G-19 ~'-H-21 ---H-22 '"~R-23 ~U-11 ~U-12 Flowing Gradient 08/19/86 Camco " " 08/23/86 " BHPD & PBU 08/10/86 GO Static 09/05/86 Otis Static 08/30/86 Camco Static 09/06/86 Otis Static 08/29/86 Camco Static 08/30/86 Camco Static 09/04/86 Otis Static 08/20/86 Camco Static 08/27/86 Camco BHPD & PBU 08/08/86 'GO BHPD & PBU 08/02/86 GO BHPD & PBU 08/02/86 GO Rece I ved Date Victoria Aldridge LR2-1 I NFORMAT I ON CONTROL Wel I Records LR2-1 A u.,t ol the o~,.r~,r, ol .~'~n¢l¢,~,¢f Chi ~ounded ,n (.le,,elond. Oh,o. ,n 1870 INDEXED ., DALLAS ARCO CHEVRON EXXON TEXACO Dm*e: 09/10/86 TO: MOBIL TI: 77320 PHILLIPS GEOSCIENCES _ ~-FANDARD ALASKA PRODUCTION REFERENCE: SAPC CASED HOLE FINAL LOGS The following material Is being submitted here~ith. Please ecknowledge receipt by signing a copy of this letter end retudnlng It to this office: ~'~-~B-27 -26 -9 ~ 'x.~_l 1 ~ G-32 "~-2 '~OH_6 ~.-12 ~u-12 "-- Y-21 CCL/Perf. 07/19/86 #1 9600-11074 GO 5" CCL/Perf. 07/22/86 #1 10060-10661 GO 5" CCL/Perf. 07/24/86 #1 9531-10752 GO 5" CCL/Perf. 07/30/86 #1 10550-11006 GO 5" Collar 07/30/86 #1 0-3500 GO 5" CCL/Perf. 07/22/86 #1 10000-10202 GO 5" GR 08/25/86 #- - 8336-9560 Otis 5" CCL/Perf. 07/27/86 #1 7500-8450 GO 5" CCL/Perf. 07/27/86 #1 9500-9733 GO 5" CCL/Perf. 07/29/86 #1 10450-10900 GO 5" Cont. Flow Survey 07/31/86 #1 10550-11126 GO 5" GR 07/19/86 #1 9450-11200 GO 5" · ' ED Al~ka 0il & Gas Cons. Commission Anch0ra0e \ Rece i ved Dal'e Victoria Aldridge LR2-1 INFORMATION CONTROL Wel I Records LR2-1 INDEXED DALLAS ARCO CHEVRON EXXON TEXACO Date: 09/05/86 TO= MOBIL TI: 77310 PHILLIPS m~ .?.-~__~?; .......... ~_,~-~. 6EOSCIENCES STANDARD ALASKA PRODUCTION REFERENCE: SAPC CASED HOLE FINAL LOGS The follo~ing material is being submitted herewith. Please acknowledge receipt by signing a copy of this letter and retuFning It to this office: Perf. Record 02/13/86 r #1 10500-11370 Sch 5" GR Correlation 08/21/86 #- 10700-11352 Otis 5" CCL/GR 03/28/86 #1 9000-10580 Sch 5" Fluid ID 08/18/86 #1 0-10440 Camco 5" CET 01/04/86 #1 9728-11466 Sch 5" CBT 02/06/86 #1 9250-10120 Sch 5" Temp. 08/22/86 #1 0-800 Sch 5" Packer setting 03/05/86 #1 8500-9200 Sch 5" Completion 03/17/86 #1 10600-10850 Sch 5" Injection Profile 08/21/86 #1 9600-10010 Camco 5" Temp. 08/17/86 #1 10-3000 Camco 5" Packer setting 03/17/86 #1 0-9840 Sch 5" Temp. 08/22/86 #1 0-800 Camco 5" Perf. Record 03/16/86 #1 9020-9350 Sch 5" CET 01/28/86 #1 100-2500 Sch 5" Perf. Record 03/30/86 #1 8910-9356 Sch 5" CBT 02/08/86 #1 10600-11195 Sch 5" CCL/Perf. 03/29/86 #1 11200-12266 Sch 5" Perf. Record 02/20/86 #1 9500-9900 Sch 5" Received Date Victoria Aldridge LR2-1 INFORMATION CONTROL Wel I Records LR2-1 lout.did m Ck,.eiond. Oh,o.., INOEXED TO: DALLAS /race STANDARD CHEVRON ALASKA PRODUCTION EXXON Date: 06/25/86 TEXACO T/: 77147 MOBIL PHILLIPS STATE OF ALASKA Page 1 of 2.t! ..... - GEOSCIENCES ' REFERENCE: SAPC FINAL DATA - PRESSURE SURVEY DATA The following material Is being submit"fed herewith. Please acknowledge receipt by signing a copy of this lei-let and returning it to this offlce: A-26 ~ BH~ Survey A-29 ~'~" " A-31 '~BH Pres. Survey A-33 '~BHPD &"~BU A-33 ~Static Gradient A-34A ~"-PBU A-34A ~BHPD F-17 _x'-gtatic Gradient F-24 ~Static Gradient J-3 ~'~tatic Gradient 18 K-8 .~-BHP D ~a--PBU M-10 X~S tat ic Gradient M-16 ~ " " "~.. t I Il - M-19 ~,, ,, M-21 M-24 ~' '" N-7 "'~survey N-15 ~," Gradient N-18 x~,, ,, N-19 ~'-" " R-13 ~'~" " R-16 R-19 " R-23 ~HPD &~BU 05/28/86 Otis 05/29/86 Otis 05/11/86 Dres 05/09-11/86 Dres 06/03/86 GO 06/11/86 Camco 05/19-20/86 Camco 05/20/86 Camco 06/04/86 Camco 06/06/86 Camco 06/13/86 Camco 04/26/86 Otis 04/19/86 Otis 06/06/86 Camco 06/02/86 Camco 06/03/86 Camco 06/08/86 C-a~-~o 06/08/86 Camco 05/24/86 GO 05/31/86 Camco 06/05/86 Camco 06/05/86 Camco 06/10/86 Camco 06/11/86 Camco 06/07/86 Camco 05/21/86 GO Static Gradient Il !1 INFORMATION CONTROL Weli Records LR2-1 Date: T#: 06/25/86 77147 Page 2 of 2!! R~BHPD & Flowing Gradient S-16 ~ta~ic Gradient 05/27/86 U-2 06/01/86 U-10~BHPD ~Flowing Gradient U-12 ~'Static Gradient 05/27-28/86 --~22-11-12 Static Gradient 03/16/86 05/13/86 Camco Camco 06/01/86 Camco Camco Camco Camco ~~ .-;ka Oil & Gas Cons. Commissi;' Anchora§e Victoria Aldridge LR2-1 Well Records LR2-1 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION cOMMIsSION SUNDRY NOTICES AND REPORTS ON WELLS 1. DRILLING WELL [] COMPLETED WELL OTHER [] 2. Name of Operator 7. Permit No. . Standard Alaska Production Company 85-182 3. Address 8. APl Number P.O. Box 196612, Anchorage, Alaska 99519.-6612 50-029-21409 4. Location of Well At surface: 463' NSL, 2276' WEL, Sec. 18, TllN, R13E,'-UPM 5. Elevationinfeet(indicateKB, DF, etc.) KBE = 77.42' AMSL 6. Lease Designation and Serial No. ADL 47451 9. Unit or Lease Name Prudhoe Bay Unit 10. Well Number U-12 (41-13-11-12) 11. Field and Pool Prudhoe Bay Prudhoe Oil Pool PBU 12. (Submit in Triplicate) Perforate [] Alter Casing [] Perforations Stimulate [] Abandon [] Stimulation Repair Well [] Change Plans [] Repairs Made Pull Tubing [] Other [] Pulling Tubing (Note: Report multiple completions on Form 10-407 with a submitted Form 10-407 for each completion.) Check Appropriate Box To Indicate Nature of Notice, Report, or Other Data NOTICE OF INTENTION TO: SUBSEQUENT REPORT OF: (Submit in Duplicate) [] Altering Casing [] Abandonment [] Other 13. Describe Proposed or Completed Operations (Clearly state all pertinent details and give pertinent dates, including estimated date of starting any proposed work, for Abandonment see 20 AAC 25.105-170). The following intervals will be perforated for initial production during March/April, 1986, at 4spf. 10,716 - 10758' BKB 10,883 - 10,992' BKB 11,002 - 11,102' BKB Sag River (Ref. BHCS/GR 8-24-86) 14. I hereby certify that the foregoing is trc~e and'correct Signed ' . The space below for Commission use.p. F. Barth to the best of my knowledge. Title S~.~vr. Reservoi~ Production SurveillanCe I Date Conditions of Approval, if any: Approved by ,Subse_~ue~t ' Wun~. 2%_~r~e.~ ~ By Order of COMMISSIONER the Commission Date Form 10-402 Rev. 7-1-cq0 Submit "Intentions" in Triplicate and "Subsequent Reports" in Duplicate SOHIO ALASKA PETROLEUM COMPANY SFO ARCO CHEVRON EXXON SFO/UNIT/ TEXACO STATE: [[~.q~ATHON MOBIL PHILLIPS :i~:~i~AT-E:-' OFi. AK- ~. "(di"..:..i>-[-.i!~i.. :: .,/.. ! BPAE '(2;ansmit~al Only) 3111 "C" STREET ANCHORAGE. ALASKA TELEPHONE (907) 265-0000 MAIL.: POUCH 5-612 ANCHORAGE, ALASKA 99502 Date: T#: 9-20-85 76446 *Date to State Via Drilling' REFERENCE: SOHIO OPEN HOLE FINAL LOGS The following material is being submitted herewith. Please acknowledge receipt by signing a copy of this letter and returning it to this office:- SFO/UNIT/STATE: 8-24-85 DIL-SFL 10659-11260 SCH #1 8-24-85 BHCS 10659-11228 SCH #1 8-24-85 FDC/CNL-por 10659-11265 SCH #1 8-24-85 FDC-raw 10659-11265 SCH #1 5" & 2" 5" & 2" 5" & 2"~/ 5" & 2" /~---~' alaska 0i~ & Gas Cor~s. Commission ^nchorage STATE ONLY: DIRECTIONAL SURVEYS Magnetic Single Shot Directional Survey Gyroscopic Directional Survey RECI~IVEO OAT~ Date: Date: 8-5-85 9-1-85 Job#-0885-O05 Job#:AK-BO-50095 Cathy PErkins LR 2-1 Technical Documentation Records Management SOHIO ALASKA PETROLEUM COMPANY 900 EAST BI=NSON BOULEVARD ANCHORAGE, ALASKA TELEPHONE (907) 561-5111 P.O. BOX 6612 ANCHORAGE, ALASKA 99502-0612 September 27, 1985 Alaska Oil & Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 Attention' Mr. C.V. Chatterton Well U-12 (41-13-11-12) PBU Gentlemen' Enclosed in duplicate, is Form 10-407, Well Completion Report, for the above named well together with the Daily Dril.ling Reports, Well Logs and Directional Survey. This well has been completed as a non-perforated oil well. RSA:MSS'kkm 092385-0888N Enclosures A. C. Clark Well Records, (LR2-1) Well File #17 CC' Yours very truly, SOHIO.~ALASKA PETROLEUM COMPANY R. S. Allan District Drilling Engineer RECEIVED Alaska Oil & Gas Cons. Commiss[ort Anchorage ORIGINAL STATE OF ALASKA ALASKA O' L AN D GAS CONSERVATION COIV-ii~llSSlORi~' WELL COMPLETION OR RECOMPLETION REPO 1. Status of Well Classification of Service Well OIL E~ GAS [] SUSPENDED [] ABANDONED [] SERVICE [] 2. Name of Operator 7. Permit Number Sohio Alaska Petroleum Comoany 3'¢ddr6ss BOX 4-1834, Anchorage, Alaska 9°-502 8. APl Number · ' " 5o-029-°1409 4. Lo~ation of well at surface ~ (~ 463' NSL 2276' WEL Sec 18 T11N .,'ff-l-2.g UPM F[OCATiONS! 9. Unit or Lease Name ' ] V~x,FIbD ~ Prudhoe Bay Unit At TopProducinglnterv~,Tom IVI/eScA. D t%r~ J~ i ~O. WeI, Number 699' SNL~ 330' WEL, 13, TI1N, R12E, UPM l~l, ~-~t U-!2 (41-13-11-12) PBU At Total Depth I B..-L ~1 11. Field and Pool 447' SNL, 456' WEL, Sec. 13, T11N, R12E, UPM Prudhoe Bay 5. Elevation in feet (indicate KB, DF, etc.) 6. Lease Designation and Serial No. KBE = 77.42' AMSL ADL 47451 Prudhoe 0il Pool 12. Date Spudded 13. Date T.D. Reached 14. Date Comp., Susp. or Aband. 15. Water Depth, if offshore 116. No. of Completions 08-05-85 08-24-85 08-29-85 n/a feet MSLI one 17. Total Depth (MD+TVD) 18. Plug Back Depth (MD+TVD) 19. Directional Survey 20. Depth where SSSV set 21. Thickness of Permafrost 11280' MD9064' TVDs-~ 112281MD9028' TVDs ;YES [~ NO[-] 2129 feet MD 2075' 22. Type Electric or Other Logs Run DIL/SFL; Cyberlook, Poro LDT/CNL; BHCS; Raw LDT/CNL; CBL . 23. CASING, LINER AND CEMENTING RECORD SETTING DEPTH MD CASING SIZE WT. PER FT. GRADE TOP BOTTOM HOLE SIZE CEMENTING RECORD AMOUNT PULLED 20"x30" Insulate Conduct,~r Surface ii0: 35" 8 cu.yds. Concrel:e 13-3/~', 72# L-80 Surface 2674' 17-~¢" 3719 cu.ft. Cold S('.t III & Cold'Se~ 9-5/o 47# L-80 Surface 10680' 12-~" ~uu~ cu.ft. Class G with o;~'°' 'Gel 230 cu. ft. Class G , 7" 26~.~ L-go 10415' tl-°~n' -u0 cu.ft. Class G with "-"" 3,~ KCL 24. Perforations open to Production (MD+TVD of Top and Bottom and 25. TUBING RECORD interval, size and number) SIZE DEPTH SET (MD) PACKER SET (MD) /4-~" i2.6¢ !0467' 10353' L-80 26. ACID, FRACTURE, CEMENT SQUEEZE, ETC. DEPTH INTERVAL (MD) AMOUNT& KIND OF MATERIAL USED 9-5/3" x 13-3/8" Annulus 282 cu.ft ¢¢1 /uC:f Squeeze ffo'l~'o~c~'b~/ ~Y~tic :'ack .- -. -27. PRODUCTION TEST : SEP 2 7 Date'First Production Method of Operation (Flowing,_gas lift, etc.) . Date of Test Hours Tested FJRODUCTION FOR OI L-BBL GAS-M'CF WATER-BBL CHOKE SI'~I~O~OIL RATIO TEST PERIOD I~ , Flow Tubing Casing Pressure CALCULATED OIL-BBL G~AS-MCF WATER-BBL OIL GRAVITY-APl (corr) Press. 24-HOUR RATE I~'. 28. cORE DATA Brief description of lithology, porosity, fractures, apparent dips and presence of oil, gas or water. Submit core chips. . Form 10-407 Submit in duplicate Rev. 7-1-80 CONTINUED ON REVERSE SIDE 29. 30. GEOLOGIC MARKERS · FORMATION TESTS NAME Include interval tested, pressure data, all fluids recovered and gravity, MEAS. DEPTH TRUE VERT. DEPTH GOR, and time of each phase. SS Sag River ss !0716' 3664' Shublik C !g.S52' 2762' Zone 4 (Top IVI/SAD 10.383' o7u4 31. LIST OF ATTACHMENTS 32. I hereby certify that the foregoing is true and correct to the best ~f my knowledge sig.~ . , T~t~e Drilling EngineerDate ~ ;z INSTRUCTIONS General: This form is designed for submitting a complete and correct well completion report and log on all types of lands and leases in Alaska. Item 1' Classification of Service Wells: Gas injection, water injection, steam injection, air injection, salt water disposal, water supply for injection, observation, injection for in-situ combustion. Item 5' Indicate which elevation is used as reference (where not otherwise shown) for depth measurements given in other spaces on this form and in any attachments. Item 16 and 24: If this well is completed for separate production from more than one interval (multiple completion), so state in item 16, and in-'item 24 show the producing intervals for only the interval reported in item 27. Submit a separate form for each additional interval to be separately produced, showing the data pertinent to such interval. Item 21' Indicate whether from ground level (GL) or other elevation (DF, KB, etc.). Item 23: Attached supplemental records for this well should show the details of any multiple stage cement- ing and the location of the cementing tool. Item 27' Method of Operation: Flowing, Gas Lift, Rod Pump, Hydraulic Pump, Submersible, Water In- jection, Gas Injection, Shut-in, Other-explain. Item 28: If no cores taken, indicate "none". Form 10407 SOHIO DAILY DRILLING REPORT - PBU 8/4/8S 0600 HOURS Nabors 22-E Well: U-12(41-13-11-12) 0600 Depth: O' Day: -1 24-Hr. Ftg: O' Water Used: 0 AFE #1 20325Inv, 1601 61Exp CURRENT OPERATION: Move rig to U-12. HOOK UP SUPPORT LINES MUD TYPE: SURVEY MD VIS: PV: YP: FL: ANGLE DIRECTION TVD SECTION SOL IDS: TEMP.: COORDINATES DLS RECEIVED SEP 2 ? 1,985 ~ ~,.:: ~ SOHIO DAILY DRILLING REPORT - PBU 0600 HOURS !abors 22-E Fell: U-12(41-13-11-12) ~600 Depth: O' lay: -3 _'4-~Ir. Ftg: O' !ater Used: 600 · ,FE #120325Inv,160161Exp CURRENT OPERATION' 'REBUILDING FLOW LINE Rebuilding flow line_ iUD TYPE' WT- SURVEY MD 8.7 VIS' ANGLE 25O PV- 23 YP' DIRECTION TVD 6O FL-.05/.25 SOLIDS' 3% SECTION COORDINATES TEMP. · 59 °F DLS RECEIVED 1985 Amchorage SOHIO DAILY DRILLING REPORT - PBU 8/7/85 0600 HOURS Nabors 22-E Well: U-12(41-13-11-12) 0600 Depth: 330' Day: -4 24-Hr. Ftg: 69' Water Used: 500 AFE #1 20325Inv, 1601 61Exp CURRENT OPERATION: REBUILDING FLOW LINE Rebuilding flow line. MUD TYPE: WT: SURVEY MD 8.6 VIS: ANGLE 245 PV: 30 YP: 44 FL: 8.5 DIRECTION TVD SECTION SOLIDS: 3 COORDINATES TEMP.: 59°F DLS SOHIO DAILY DRILLING REPORT - PBU 8/8/85 0600 HOURS Nabors 22-E Well: U-12(41-13-11-12) 0600 Depth' 713' Day: 1 24-Ur. Ftg: 383' Water Used: 11 O0 AFE #1 20325Inv, 1 601 61Ex.p CURRENT OPERATION: DRILLING Accepted rig at 1200 hrs. 8/7/85. 1800 hrs. 8/7/85. Drilled to 472'. bit. Drilling at '713'. Spud U-12 at Trip for MUD TYPE: SURVEY MD 8.7 VIS: ANGLE 269 PV: 25 YP: 62 DIRECTION TVD FL: 9.6 SOLIDS: 4.6 SECTION COORDINATES TEMP.: DLS SOHIO DAILY DRILLING REPORT - PBU 8/9/85 0600 HOURS labors 22-E ,!ell: U-12(41-13-11-12) ]600 Depth: 1 756' ]ay: 2 _~4-Hr. Ftg: lO13' :~ater Used: 2000 kFE #1 20325Inv,1 601 61Exp CURRENT OPERATION: RIG REPAIR Drilled to 1561'. Trip for bit. Drilled to 1756'. Cuttings auger locked up. POH to con- ductor shoe. Repairing cuttings auger. qUD TYPE: WT: SURVEY MD 8.9 VIS: ANGLE 147 PV: 37 YP: 49 FL: 8.6 DIRECTION TVD SECTION SOLIDS: COORDINATES TEMP.: 62°F DLS SOHIO DAILY DRILLING REPORT - PBU 8/10/85 0600 HOURS Nabors 22-E Well: U-12(41-13-11-12) 0600 Depth: 2700' Day: 3 24-Hr. Ftg: 944' Water Used: 1800 AFE #1 20325Inv,1601 61Exp CURRENT OPERATION: RUN 13 3/8" CASING Drilled to 2700'. Running 13 3/8" casing. MUD TYPE: WT: SURVEY MD 9.0 VIS: ANGLE 150 PV: 21 YP: 40 FL: 10.8 DIRECTION TVD SECTION SOLIDS: COORDINATES TEMP.: DLS RECEIVED SOHIO DAILY DRILLING REPORT - PBU 8/11/85 0600 HOURS Nabors 22-E Well: U-12(41-13-11-12) 0600 Depth: 2700' Day: 4 24-Hr. Ft§: O' Water Used: 1400 AFE #1 20325Inv, 1 601 61'Exp SPUD MUD TYPE: MUD WT: SURVEY MD CURRENT OPERATION: NIPPLE UP B.O.P.s Ran 67 its 13 3/8" casing. Cemented with 1695 sks Cold Set III and 500 sks Cold Set II. NU wellhead and BOPE and tested. VIS: PV: YP: FL: ANGLE DIRECTION TVD SECTION SOLIDS: COORDINATES TE~,IP.: DLS SOHIO DAILY DRILLING REPORT - PBU 2/85 0600 HOURS Nabors 22-E Well: U-12(41-13-11-12) 0600 Depth: 31 00' Day: 5 24-Hr. Ftg: 400' Water Used: 1200 AFE #1 20325Inv,1 60161Exp CURRENT OPERATION: DRLG/SETTING Completed BOPE testing. PU 12 1/4" bit and BHA and RIH. Drilled cement from 2560'. Ran leak off test to .704 psi/ft, gradient. Directionally drilling at 3100'. MUD TYPE: SURVEY 1 2 3 WT: 8.8 MD 2847 2940 3035 VIS: 37 PV: 8 YP: 8 FL: 16.8 ANGLE DIRECTION TVD SECTION 4° N66.7~ 2846 5.0 5.5° N57.9~W 2939 12.0 6.9° N49.0~W 3033 22.0 SOLIDS: 3.5 COORDINATES N2.~46/W5.59 N6.36/W12.21 N12.52/W20.1 8 TEMP.: 64°F DLS SOHIO DAILY DRILLING REPORT - PBU 8/13/85 O6O0 HOURS 'labors 22-E 4ell' U-12(41-13-11-12) 0600 Depth' 4315' .) ay · 6 ~_4-Hr. Ftg' 1 21 5' 4ater Used' 1 500 NFE #1 20325Inv,1 601 61Exp CURRENT OPERATION' P. Drilling at 4315' Oo · iUD TYPE' WT' 8.9 VIS' SURVEY MD ANGLE 4 31 28 8.7 1 0 3724 22.7 ° 1 2 3943 31.5 o 1 4 41 30 36.0 ° 37 PV: 7 YP: 9 FL: 19.2 DIRECTION TVD SECTION N48~ 3126 34.0 N40.2~ 3698 194.0 N38.1°W 3894 291o0 N32.5°W 4050 394.0 SOLIDS: 4 COORDINATES N 21'/W 30' N140'/W139' N215'/W200' N298'/W262' TEMP. · 86 °F DLS RECEIVED SOHIO DAILY DRILLING REPORT - PBU 8/1 4/85 0600 HOURS Nabors 22-E Well: U-12(41-13-11-12) 0600 Depth: 561 7' Day: ? 24-Hr. Ftg: 1302' Water Used: 1 600 AFE #1 20325Inv,1 601 61Exp CURRENT OPERATION: RIH w/Dynadril No 1 Tripped For bit and BHA. Drilled to 5617'. POH for Dynadril, RIH. MUD TYPE: WT: 9.2 VIS: SURVEY MD ANGLE 15 4256 40.0 16 4623 41.0° 17 4968 41.5° 18 5217 42.4° 19 5529 42.2° 37 PV: 7 YP: 10 FL: 18.2 DIRECTION TVD SECTION N34.9°W 4149 472.0 N32.8°W 4428 710.0 N32.1°W 4687 938.0 N31.1 oW 4873 1104.0 N29.3°W 5103 1313.0 SOLIDS: 4 COORDINATES N 362'/W306' N 560'/W439' N 752'/W561 ' N 894'/W648' N1 075'/W754' TEMP.: 67 °F DLS 3.38 O. 46 0.20 0.45 0.39 SOHIO DAILY DRILLING REPORT - PBU 8/15/85 0600 HOURS Nabors 22-E Well: U-12(41-13-11-12) 0600 Depth: 621 5' Day: 8 24-Hr. Ftg: 598' Water Used: 1 500 AFE #1 20325Inv, 1 601 61Exp CURRENT OPERATION' Drillin~ 12-1/4" Hole Dynadril to 5753'. Trip For BHA. Drill from 5753-6215. MUD TYPE: WT: 9.3 VIS: SURVEY biD ANGLE 2O 5782 45. O 37 PV: 10 YP: 7 FL: 12.5 D I RECT I ON TVD SECT ION N39.5 ~W 5287 1 488.0 SOLIDS: 5 COORDINATES N1219'/W852' TEMP.: 73°F DLS 2.99 SOHIO DAILY DRILLING REPORT - PBU 8/16/85 "0600 HOURS Nabors 22-E Well' U-12(41-13-11-12) 0600 Depth' 7041' Day · 9 24-Hr. Ftg' 826' Water Used' llO0 AFE #' 120334 CURRENT OPERATION' RIH. Drill 12-1/4" hole to 6671'. POH change bit and BHA. RI H and drill to 7041'. POH change bit and BHA. RIH. MUD TYPE: WT: 9.4 SURVEY MD 21 6219 23 6882 VIS: 37 PV: l0 YP: 9 FL: 7.2 ANGLE DIRECTION TVD SECTION 44.9 N40.6~W 5596 1795.0 46.9 N39.9 N 6065 2261.0 SOLIDS: 5 TEMP.: 75°F COORDINATES DLS N1456'/W1051' 0.18 N1813'/W1353' 0.86 SOHIO DAILY DRILLING REPORT - PBU 8/17/85 0600 HOURS Nabors 22-E Wel 1: U-1 2 ( 41 -1 3-11 -1 2 ) 0600 Depth: 8022' Day: 1 0 24-Hr. Ftg: 981' Water Used: 1 400 AFE #: 120334 CURRENT OPERATION' Drilling. RIH and drill to 7839'. ~OH change bit and BHA. Drill ahead to 8022 . .iUD TYPE' WT' 9.4 SURVEY MD 25 7632 VIS' 39 PV' ll YP' l0 FL- 6.9 ANGLE DIRECTION TVD SECTION 45.1 N40.2 ~ 6575 2807.0 SOL IDS' 5 TEMP.' 73 OF COORDINATES DLS N2232'/W1 71 O' 0.91 SOHIO DAILY DRILLING REPORT - PBU 8/1 8/85 0600 HOURS ,abors 22-E !ell: U-12(41-13-11-12) )600 Depth: 9D28'' ~ay: ll _4-Hr. Ftg: 1006' !ater Used: 1 700 -~FE #: 120334 CURRENT OPERATION: Drilling. Drill to 8862'. POH change bit and BHA. RIH and drill to 9028'. ~UD TYPE: WT: 9.4 SURVEY MD 26 8080 28 8793 VIS: 36 PV: l0 YP: 6 FL: 6.0 ANGLE DIRECTION TVD SECTION 43.4 N39.9~W 6896 3118.0 47.9 N35.6 ~W 7403 361 8.0 SOLIDS: 5 TEMP.: 81°F COORDINATES DLS N2471'/W1911' 0.38 N2866'/W2220' 1.25 SOHIO DAILY DRILLING REPORT - PBU 8/1 9/85 O600 HOURS Nabors 22-E Well: U-12(41-13-11-12) 0600 Depth: 9598' Day: 12 24-Hr. Ftg: 570' Water Used: 1500 AFE #1 20334 CURRENT OPERATION: Drilling. Drill to 9063'. POH to check for washout. Change washed out bit and RIH. Drill ahead to 9598'. MUD TYPE: WT: 9.3 SURVEY hiD 3O 941 8 VIS: 36 PV: 8 YP: 6 FL: 4.6 ANGLE DIRECTION TVD SECTION 46.1 N34.2 ~W 7826 4079.0 SOLIDS: 5 TEMP.: 82°F COORDINATES DLS N3245'/W2481' 0.57 SOHIO DAILY DRILLING REPORT - ?BU 8/20/85 0600 HOURS Nabors 22-E Well: U-12(41-13-11-12) 0600 Depth: lO1 07' Day: 1:¢ 24-Hr. -Ftg: 509' " Water Used: 1 700 AFE #1 20334 CURRENT OPERATION: Drillinq. Drill ahead to 9951'. POH change BHA and bit. RIH and drill to 10107'. MUD TYPE: WT: SURVEY MD 31 9732 9.4+ VIS: 37 PV: ll YP: ANGLE DIRECTION TVD 44.2 N33.2 ~W 8047 FL: 4.7 SECTION 4301.0 SOLIDS: 6 TEMP.: 78°F COORDINATES DLS N3430'/W2604' 0.65 SOHIO DAILY DRILLING REPORT - PB!j 8/21/85 0500 HOURS Nabors 22-E Well · U-12(41-13-11-12) 0600 Depth' 1 069~-5' Day: 14 24-Hr. Ftg: 588' Water Used: 1800 AFE #1 20334 CURRENT OPERATION: Lay down BHA R.I.H. drill ahead to 10695'. Short trip, condition hole. POH for 9-5/8" casing. Lay down BHA. HUD TYPE: SURVEY 33 35 WT: 9.4 MD 10358 10695 VIS: 40 PV: 13 YP: 7 ANGLE DIRECTION TVD 43.2 N31.8°W 8506 43.0 N28.6°W 8752 FL: 5.2 SECTION 4726.0 4956.0 SOLIDS: 8 TEMP.: COORDINATES DLS N3791'/W2829' 0.38 N3991'/W2944' 0.00 SOHIO DAILY DRILLING REPORT - PBU 8/?.2/85 0600 HOURS Nabors 22-E CURRENT OPERATION' Nipple up B.O.P.'s Well: U-12(41-13-11-12) Rig up and run 268 jts 9-5/8" casing. 0600 Depth' 10695' Mix and pump 1088 sx of Class G+8% gel Day: 15 lead slurry followed by 200 sx Class G tail. 24-~1r. Ftg: O' Nipple down BOPE. Set slips and packoff. Water Used: 25'00' AFE #1 20334 MUD TYPE: WT: 9.3 VIS: 43 PV: 14 YP: 10 FL: 5.4 SURVEY MD ANGLE DIRECTION TVD SECTION SOLIDS: 7.2 TEMP.: COORDINATES DLS SOHIO DAILY DRILLING REPORT - ?BU 8/23/85 0600 HOURS ~abors 22-E 4el 1 · U-1 2 (41 -1 3-11 -1 2) )600 Depth' 10695~- )ay · 1 6 _~4-Hr. Ftg' O' !ater Used' BDO ~FE #1 20334 CURRENT OPERATION' Conditioning Mud. Set 9-5/8" slips and packoff. Nipple up and test BOPE. RIH with 8-1/2" BHA and drill fl oat collar. Test casing to 3000 psi. Drill cement and shoe. iUD TYPE' WT' SURVEY MD 9.3 VIS' ANGLE 42 PV' 19 YP' 8 FL' 6.4 DIRECTION TVD SECTION SOLIDS' 7.1 TEMP.' COORDINATES DLS RECEIVED SEP 2 7 igS SOHIO DAILY DRILLING REPORT - PBU 8/24/85 0600 HOURS Nabors 22-E Well: U-12(41-13-11-12) 0600 Depth: 112-52' Day: 17 24-}1r. Ftg: 557' Water Used: 700 AFE #' 120'3'34 CURRENT OPERATION: Drilling at 11252' Drillin9 8-1/2' Hole. MUD TYPE: WT: 9.2 VIS: SURVEY MD ANGLE 52 PV: 24 YP: 18 FL: 4.6 DIRECTION TVD SECTION SOLIDS: 6,8 COORDINATES TEMP.: DLS RECeiVED SEP 2 7 1985 SOHIO DAILY DRILLING REPORT - PBU 8/25/86 O6OO HOURS Nabors 22-E Well: U-12(41-13-11-12) 0600 Depth: 11280' Day: 18 24-Hr. Ftg: 28' Water Used: 700 ' AFE #: 120334 CURRENT OPERATION: Drilled to 11280'. Ran open hole logs. POH for liner. POtt for Liner. Short trip. CBU. Hade wiper trip. POH. MUD TYPE: WT: SURVEY MD 9.2 VIS: ANGLE 42 PV: 15 DIRECTION YP: TVD FL: 4.8 SECTION SOL IDS: 6.7 COORDINATES TEMP.: DLS SOHIO DAILY DRILLING REPORT - PBU 8/26/85 0600 HOURS labors 22-E CURRENT OPERATION' Laying Down HWDP & BHA. 4ell: U-12(41-13-11-12) Ran 21 jts 7" liner wi th shoe at 11280' and 3600 Depth: 11280' liner top at 10415'. Cemented wi th 245 sks . ]ay' 19 Class G. Bumped plug with 3000 psi. POH. ~_4-Hr. Ftg: D' RIH to clean out. ~ater Used: 200 qFE #: 120334 .IUD TYPE: WT: 9.2 VIS: 40 PV: 16 YP: 7 MD ANGLE DIRECTION SURVEY TVD FL: 4.8 SOL IDS: 6.4 TEMP.: SECT ION COORD I NATES DLS SOHIO DAILY DRILLING REPORT - PBU 8/27/85 0600 HOURS Nabors 22-E CURRENT OPERATION' Mi.xin9 Salt Water Well: U-12(41-13-11-12) Cleaned out to top of liner. POH. PU 6" bit 0600 Depth: 11228' PBTD and RIH. Tested liner to 3000 psi. Drilled Day: 20 firm cement from 11133 to LC. Drilled LC and 24-~ir. Ftg: 0 cement to 11228'. Tested casin§ to 3000 psi. Water Used: 400 Prepare to displace well with NaC1. AFE #: 120334 MUD TYPE- WT' SURVEY MD VIS- PV- YP- FL- ANGLE DIRECTION TVD SECTION SOLIDS- COORDINATES TEIqP. · °F DLS SOHIO DAILY DRILLING REPORT - PBU 8/28/85 0600 HOURS Nabors 22-E CURRENT OPERATION' Running CBL. Well: U-12(41-13-11-12) Displaced well to 9.6 ppg NaC1. Test 7" liner 0600 Depth: 11228' PBTD to 3000 psi. Downsqueezed annulus with 300 sks Day: 21 Coldset cement followed by 125 bbls Arctic Pack. 24-Hr. Ftg: 0 Running CBL. Water Used: 2300 AFE #: 120334 MUD TYPE' WT' 9.6 VIS' NaC1 PV' YP- FL' SOLIDS' SURVEY MD ANGLE DIRECTION TVD SECTION COORDINATES TEMP · · oF DLS SOHIO DAILY DRILLING REPORT - PBU 8/29/85 060~) HOURS Nabors 22-E CURRENT OPERATION: Testing Packer & Tubing. Well: U-12(41-13-11-12) Ran CBL. Ran 265 jts 4-1/2" tubing with GLM's. 0600 Depth' 1'12'28' PBTD' Tubing tail at 10467', packer at 10353', SSSV at Day.' 22 2129'. ND BOPE. NU tree and test to 5000 psi. 24-Hr. Ft§' O' " Displace well with diesel. Drop ball and set packer. Water Used: lO0 Test packer and tubing. AFE #: 120334 MUD TYPE: WT: 9.6 VIS: NaC1 PV: YP: FL: SOLIDS: SURVEY hiD ANGLE DIRECTION TVD SECTION COORDINATES TEMP.: °F DLS SOHIO DAILY DRILLING REPORT - PBU 8/30/85 0600 HOURS Nabors 22-E Well: U-12(41-13-11-12) 0600 Depth.' 11228' PBTD Day: 23 24-tlr. Ftg: O' Water Used: 0 AFE #: 120334 CURRENT OPERATION' Released Rig. Completed pressure test of packer and tubing. Released rig from U-12 at 0900 hrs. August 29, 1985. MUD TYPE: SURVEY WT: 9.6 VIS: NaC1 PV: MD ANGLE DIRECTION YP: FL: TVD SOLIDS: SECTION COORDINATES TEMP. DLS SOHIO ALASKA PETROLEUM CO. PAD' U (41- 15- II- · U.12 Controlled Drilling Consultants, Inc. · -',,:.,r~ ~,~ LES HENDERSON :_, , · 333-1552 .... ,-.~. .. .... L ~,' September 2-, 1985 Mr. Brian' Rose.. Sohio'Al'ask~ 'petroleum Company Pouch 6-612 Anchorage, AK 99502 RE: Magner_ic Single Shot"Survey Job No. 0885-005 Well U-12 (41-13-11-12) Prudhoe Bay-Field North slope; Alaska Date of Survey: August 05, 1985 'to August 21, 1985 _ Dear Mr. Rose: Please find enclosed the "original'` and six (6 cop~es of our Magnetic Single. Shot',Survey on the above Well. The method use,:] in calculating this survey was Radius of Curvature. The depth of 'the survey was 2672 to10,695. · Thank you for giving us this opportunity to be of service. - . Yours very truly, Controlled Drilling Coasulta~,; . C.W. Harrington Directional Supervisor RADIUS OF' C:U~:'.',;':"-~'?'UR[{ l'!E',riqOD OF '(:::::~i'~.F'..~T,,'.~.'T:~()~' SURVEY R,qt.! ~,"/ C,k~, T · ~!EA,S ~ DRIFT DEPTH AN6LE ,r,:~,~F.. P T' H SEA 2948, 5 30 2939,54 286~,12 3504 t7 42 349!,73 34!4,31 4623 4t 6 4428, 88 4350,58 4968 41 SO 4687,38 4609,96 Alaska 0il & Gas 6ons, .Anc, l~orage , (! {) 36 52 i 2 I' 2 4 9 ~'~ ,,¢ ,y, 39,, ',7' :7 1' i 938 I t 84 T R U E l'!E,q.S , bR ! FT VEi,~T; gAL DEPTi4 Ri'tGL. E DEPTH 5?82 45 0 6219 44 54 653 ! 43: 54 7632 45 6 8880 43 24 9 1 84 47 54 9418 46 6 97B2 44 ~ 2 8834. 42 8 52 E,'.5,53 58'~ 8,72 -:-.7.4 "7'~ 26 743;;~ 9t 76 'i i 42 8267 551 .57'4 62::~ 2 6497 a: 18. 7 048 7 S ~ 5 7 9 "f'A L C:O {)i:~ D I ,~'~ !:':: T E i407,d. 0 i-t '~ 795,32 20 '~ 2 2262 2 ~.-'i', i i 3 6 2 4 0 0 , ,' :'-'.'.'l 7 7, 4 '? ? '~l. 77 Of ~ ,.,., ¢S..? ',"~ 77 7' 7 F 9..77 97'7 077 't 077 i 7'? ~ 177 4. 7 7 1 ,I,. 7 7 ,. 777 'l 777, O 77' ',2 07 '? '") ':' '-":" ¢:' 27' 7 · ';,~ 77 2:3'77 777 2777, 28'7'8 2'~77., ":" '~';' 9 3. (~'7 ?' '3O ,gO : O0 , OO .OO ,00 ,. O 0 00 00 O0 O0 00 O0 00 0 () 8O 70 'i DEPTH C C. ;R R E :'C ';' '; C! H 3594 3'7 38~ i 4~65 4424 4556 4689 4821 5O89 5224 5494 591 ~ 6052 6334 6474 6755 7t9~S ?';346 7492 7 77'6 O055 ',34 4 t 4 7 49 44 j; 7' 20'7 .S 8 ::2 4:52 '744 ;~::::;?, 0 ':3 'F 5 I 3,~5 5 "~ ~:~ ~:~ i' , ,.,.,, ,;, ,,,J ,,">' 4 ,,':~ 7 i5 , O5 52 84 45 ,.01 ,.. 67 ,4 0 ,54 ~ 4:3 S 0 H. t 0 [,.t E L. L U .-- 'f 2 t._ASURED ?' 7', 4 ;.? !:."?, D E P T H ]'RUE :,,'ERT 1'''='i $'''~ ".,' '.'} T ,,q L 8755 9634 '.",.'~774 8047 04..56 0695 7077' '? '177 7277 7377 74'77 75?'7 F67'? 7'777' 7977 8077 8 i 77 8277 8477: 7' 'S .~l 0 i Z 77 4 ?, ~..., 0 0 'i 4. 7' 'i'~:~, 4. '~ 7 6 0 0 i ::.!' :'.-.'! ':'! 4 9 7700 t U 7 0 46 '? S 0 ~; '~ :S I ..'.':; ,'4, 5 790 C' 'i ,,5 !57 ,,4. S 2 (',, 0'i 7:" ,,:~. 9 S 5 ~.'.,. ,::, 0 t} I. ;'~,,, ?':,~, ,::, o ! i',!T ER POi..¢. T~D Pi E K~ S U R E DEPTH i O00 2 O n 0 ,'g_ 000 4000 5OOO 6000 'ZOO0 ~3000 9000 10000 I .0695 ]'RUE R T ! C P. ;_ S '.L! DEPTH ....... '" g.! : .- '..:' ':;: 'i ri 0 0 ,.r, :;'~. 2000, '! 92:? 2.999 ,. 29;;:2 ,., 94".--'.', ' ........ 4 7 1 i, ,::~, 6:3 4 ~- 44 'l ':-' ....... ,:? , ...., ,.,. ~:., :::.]; 614 5, 6 06 ;3; 6838, 676. (7~ ~ .,.., 4 ,.=., 7 ,:l,¢:, .,~. 8,c_~ 4.:g.-', ::3 ! :S 5 _ _ _ ~ = ~ ! -'HORIZONTAL VIEW ~ '* ' , I ..... ~ _ ' .ISOHI0 ALASKA ' ' i ...... i ........ · i. :- '5 :__ : , WELLU+I2'(41-13-il;t2) --: ............. ~ _ _. RADIUSD CURgATURE_.i-- ..... !: ......~ : · - ~ ._ . -; ;--;-~ _-' . ; - _ ' ~7_-~ ~ ~ ~ :, :~AGNET[FSINGLE SHOT~- ' · · , ..................., : spenn -sun Seotember 16. 1985 Mr. James A. Bragg Sohio Alaska Petroleum Company Pouch 6-612 Anchoraqe, Alaska 99502 Re: Our BOSS Gyroscopic Survey Job No. AK-BO-50095 Well: U-12 (Sec. 18 TIIN R13E) Prudhoe Bay? Alaska Survey Date: September 1, 1985 Operator: E. Sellers Mr. Bragg: Please find enclosed the "Original" and sixteen (16) copies of our BOSS Gyroscopic Survey on the above well. Thank you for giving us this opportunity to be of service. Sincerely, NL SPERRY-SUN, INC. Ken Broussard District Manaqer Enclosures REC£1v -b Alaska Oil & Gas CoDs, Commission Anchorage :BPERRY-SUN WELL :=;LIRVEYING C:OMF'ANY PAGE 1 SCi H ICi A L A S K A F' E T R 0 L E I_11"1 I": O. ANC:HORAGE ALA~E;KA COMPLITATION DATE DATE OF :=dJRVEY SEF'TEMBER B 0 S L=; G Y R 0 :=-; C 0 P I C :=; LIR V E Y PRLIDHOE BAY A L A :-7 K A ,_iL'.IB NUMBER AK-BO-500';-/5 KELLY BU:=;HINf.'3 ELEV. = CIF'ERATI-~R-E, SEL. LERS 77.42 FT. VERT I C:AL_ SEr:T I ('IN CALF:LILATEI'I ALONG CLCiSLIRE TRUE SUB-:=;EA CFILIRSE L-:L-ILIR L=:;E [_/Oi}-LEG TOTAL MEASIJRED VI=-..RT I CAL. fi E F' 'T H Ii E F' T H VERT I C:AL I NCL I NAT I ON 'Ii I RECT I ON :?:;EVER I TY RECTANGULAR F:FIORD I NATEL:: [)EF'TH DEL] M I1'4 DEGREE:=] DEG/100' NCfRTH/SOUTH EA.'_=;T/WE:_--;-[' VERT I CAL :=; E C T I P kl o (). 0 () -'77, 4:2 1 (') () 'iF..' 9, '.:;' 7 '22, 55 · 7-: () (3 1 '.:) 9.9:2 1:22.50 0.0o O. 00 0.00 1.8'.:;' (). ':-it'P 1,4 I. 62 E 0.1 ':.-':' 0.76, N 4.74 E:. 0.00 -0.71 -2..1. 4- :B 00 .,_9 ,_-:;,. 9.. ,_,c, ,~,':' 4.0C~ 3'F¢9. :?::4 5 C) 0 4 9. 9.. ,..,':' 1 · =,.-, o 42 4-22. :B':7; 1 2:4 .1 o £ 1 23 ::".i : -!5.21 -6./=,L=.: 60 () 59'? ,, 79 7(:.)('.) /=,c.;9. '76 8 C)0 799.72 522.2'_::7 1 15 '::"::' :=: 4 1 27 7:22.2:0 1. 2:8 01 N 1.5. 17 [.-- -8.01 19. N .1.7 . Y'~'2 ..... E -9 . ~:..":'4 '72 N 20.1 '7 E - 10. :.7.: 5 'P (-) 0 8 99.6 8 1 C) C)C) 9 9 9 / v., . . . ,, '.'.',..) :1. 1 ()0 ]. 09'.-'.~. 5'iF; 922. ':' :" 1 , . 1022, 17" 2:/=, 45 N 90 N. ' '-"-'z...:,, ()_ 2 E -. 11.41 2:!=-."5.9'2.._ E -1 .,:..'":', 47 28.75 E - 1 :'.E::, 57 1. 2:0 0 11 'P 9 ,, !55 1 :BOC) :1. 5::'.~5?. 51 14. 00 1 :?::'? 9.48 ~E~ -m" m · .. m --. ::::,::: 19 E (') :::9 4- 15 N ::3 E:7. (') FiE (),04 4.()4 N S 8 4. ""C' . . ,:,_, E 0 22 :=: 86 N 1500 :1. 499.4/=, 1 d, 00 15'P 9.4:3 ]. '7 C) 0 1699, 41 · 0,16, 3.58 N 0.11 .=',. 1 o'" N 0.15 ' '"' ~.72 N 1 ::=: ()C.) 1799 ,, :39 :i. '=..,'()C) 1 :=:9'F,'. 2:6 2C)C)C) 19'F.;9.34 210 0 20 '.-'.,' 9 ,, :B 2 2':' (') 0 '2199. :_--: 0 45.2:7 E -24.41 4.7.54. E -25.8L--: 49 "= . e,._, F -'2'7. :2 7 24. (] (") :=/5: 'p 'ii>. '2 :?:: '2.=5 (') c')24. ':;'-~' "" 7 2 60 0 2599.27 :23:21.8 6 0 41 :242 :!. '::' =; C) '-"-' . ,.., .. .... .2, ,Z, '-' "9 '=' c, F, 24. .,:.-...,= 1 0 m I_* ..., . 0 0 .'=, .:,/. 5 ::?.':8 56, 51 E -2:1.96 57,, 6 ./-., E -:32, 76 F-;':' 5';1-, E -'::"-2, ._ I_m # ..... ....._ · ,..,~.,,=;'::' 90 E - 3:.":': ,6.1 .=5-,/-, 29 E -:'::C) /- _ _. . . o7 50,, (2)7 E -22.91 :--;OH IF~ AL. AF;I.:::A F'ETROLELIM f":F~. _____.;.:~E'EBFLY-:=;~_~N 1,4ELL_S1AF2_V_E_~LING CONE;ANY ANCHORAGE ALAF;KA CC~MPLITATION [fATE F'RIJDHOE BAY A L A F.; K A :-~EF'TEMBER 3, 19:35 F'AGF '.';-' - DATE OF E:I_IRVEY SEF'TEMBER 1., 19:::5 ~.!;! .~i ..~l-~,_V. _~'.1~ S C !3 F' I L-~_ El_L! ~ ,_IFiB NLIMBER AI<-BO-50C)'.:.'~5 KELLY BJ...-.HING ELEV. 77 42 FT r'!P. E.R_' f:~ T ELR_' :: E_. SELLER'.::; ]' R LIE S I_1B - E; E A C 0 IJ R S E MEASIJREE VERT I ~Z:AL VERT I CAL I NCL I NAT I ON KdF.:F'"I'H I'-~EF'TFI DEF'TH DEG M I N CCILIRSE D I RECT I ON 1]EGREES DOG-LEG SEVER I 'FY BEG/100 TOTAl._ RECTANGULAR C. OORD I NATES NORTH/SOLITH EAST/WEST :3000 ";".--¢':)':: '.:' ~ '.7' 920. :--: 5: :.3100 :.?,097. '2'P :.30 J. 9.87 :'2:200 :.5:1 'P 5.66 :':: .1. 1. 8.24 5/.:, 49 49 N 4._,. 89 W N 4.5.69 W N 42.50 W 1. :--: 1 1. :_--:7 :.5:. 05 15.2:_:: N 24. :_::0 N :..:..:7.71 N :':: ......... 4-0 C} :':-: :38'i..'~ Fi ";' :'::: 31 .~'-'. 10 :35()C~ :::':484.5> 1 3407.49 3/_,0('.) :.357'F~. (_")5 :3501.6:.5: ::::70('} ...... ..::,,.:, 7 J. , 6'o :'::f]'-74 ...... ,24 :3800 :--: 76 '2, :29 3684.87 14 17 1/_-, .: 13 18 37 20 44 23 33 26 26 N :'::'.~,60 W N 40.:3()W ': N 40,. 69 W 1.94" 2,4.1 · 54.77 74. '::,":-: 97.69 ..::, 400 (]) :39:34.0,5 410 C) 4. 0 .1. 5.69 4. '::2 () ~::~ 4094. :39 4-016.97 :39 24 N 34. :..5--:9 W :2. `5,4. 41 3 N "::'"'] ,0 W 1. /-,~ ....i._ . . ~ -- _ 41 '14 N 34.50 W 0.:37 40 55 '"' '-';' ':"::' "]: N o4,60 :W ::<.: :: . :-5:2' 41 7 N :79':.:W:'::':'!"(}::.::':' c), 24. . 4.1 . .' ._-, N :::-5:4 0!' W :. 0, 21 43 (.'.} i.'.! 41. 7 (), 72 4' 09 :'::, :2:0 4400 4246.02 4168. 4500 -,1.321.40 4243.98 460() 4396. E:4 4:.:.: 19.4.1 4700 44- 72.20 4 :'-': 94.7 ,:.'-' :::60..'.'5:2: N 4.1:2: ,, 4. 7 N 46'7. "'"" I----" ~:.]' ..., 7...,, 76 N ~4F.](), 09 N 48()0 4-547.66 4470.24 490() Zl-/:,22,. 5;'2 4545.50 · _, 0 t)o 4-697.79 46:2: O. :2:7 .................... i'!i'-i'SiS--:' .... '~i-:/~ 2.3.1. 4/-,'--:~4. 5200 4846. :.-.':7 : 4768 530,0 4920., 10 4842,68 40 F,'::' N 2:'::. 1 C) W (} A 4.1 :2::.5: N :32. :.5: C) W 0.68 684.74 N 740. 15 N VERT I CAL :.--_; E C T I 0 ~' I · ::, 4 ('~ 0499:3. "' = 4'P 6 5 :.5: i 22 '"' _ . ::~ .., ' 1 . 42 _1. 1 hi :.5:0. :2:0 W 0.6'7 .1. 026 .... E::ii: hi d, 70. :,.2:2 W =,. 10 ...... (..)..:, J. 084. ':'""; N 704 c')9 W 129 J. '- 5500 506 F.:. 06 4 o 90./.., 4 4. :2 5;' N :.5: 0. :.5:0 W 0. ' '-' . ,..,._. ,, .. . .,/..,_ .=:/., o (') !~ 1. 41 ':":' .=; c)/-, 4 4. 6 42 42 N :.5:4 ::: 9 W '" .1. !5 ...................,_,,.., , ..:, . 114 .1. . ~:,.' .::, ~''' hi '74. 0 .44 W 1:3.=1 ....... 9. :':: c) ~ .... ,,. ....~,:,-..:~ ,,, ......... , ............... : . 5';700 .52 .1. 4-. 30 .'.'51 :}.':6.87 44 ::-.':2 "i"i--i(i'"40,6() '-" '-' · W .:4, :.:,4 '-~i:~.'iSS-J::'~' J.~i~'--iq 7,'_:::.?. 69 W 14::_':~.:..1.,::, 580C) ":;""""=; ('~':.-/F;',T_'('~7..,f: 7 ~ '? N 4.(). 5C)' 0 ' '-' . ..... :. ,: ............. 4 ...., 1. . 7,::, .1. :2:4 '? '79 N ,:,""'.,~.'-",_,'::'. ,5,. (').. W 1498 . [5. 4 .............. ..... _ ...... _'"2..~ ........ ?. ................................... _?'..i ..:'. _._ 2 .: 5'P()O =?:',~-]5, 5'7 5278, 1.5. 4.5 N 4,1, 0 '" C), 44'' :l 30:3 5::: hi o7 I.,; I W 1._,,.:,.~,..,::.(..) F~PERRY-SLIN WELL SURVEYING coMF'ANY PAGE S 0 H I 0 A L A S K APE TR OL EI_IM C: O. ANCHORAGE ALASKA C:OMF'LITATION DATE DATE AF F;URVEY '.:;EF'TEMBER B 0 S S G Y R 0 SIz:OF' I F: S LIR V E Y 1, I985 F'RLIDHOE BAY AL_A::;KA SEF'TEMBER :.3., 1985 ,JOB NLIMBER AK-BO-50c')':.-.'5 KELLY BLISHING ELEV, = OPERATOR-E. SELLERS 77.42 FT. VERTICAL SECTION CALC:LILATED ALONG CLCr._:;URE CCjI_IRSE COL.IRL:..;E DOG-LEG INCLINATION DIRECTION DEG M I N DEGREES ]'OTAL · "]_-;EVER I TY RECTANGLILAR DEG/ic)0 · NORTH/SOLITH C 0 F~ R D I N A T E S E A ?--; T / WE .ST VERT I I-:AL SEF:T I ~-,~,! ..... · _,.",4c, 75 /--, C:, 0 C)54. :26 18 ="-' '-'. 6100 549/:,. 61 5419.1 9 6200 5567.03 5489. ,/_-, 1 63:0 c:) .".56 ::: 7, 7 :--:556, C) ~..-. - r, ~/..':, /', 40, C) ._, 70,:,, 71 1 6500 578C)..1. 6 5702 .................................. /-,,"-, 0 C) .=,':' F, 1 87 .".57'74 4.":"'; .67 (") 0 .".5 '?,' '22, 7 '.:.;' .::., ,:, 4.._,, :::: 7 6 :i-'.: 0 C.D 5 99:2:, :2:3 59.1. 4,8 0 45 6 4. 5 2.' 0 N 4 c) :::':..':' W 0 09 1..: .... 7 0',]' N N 4 0.6, ? W O..:-7 14.10. 7.=i N N 4o.. 6,0 W 0....-°'-.' .1.46,4 ./_-,:2 N ':.-,'21.32 W 967.7C) W 1 (} 1:7.:. '?/-, W .31 44 5:}:: .29 44 40 .74 44 :: :. 6'I N 40.60 W :,' , 0.24 1 ."51 :$:. :7.:2 N · 0 ":'-":-' : _1.~71 F,'P] N ?,C) :' W..... . .., .... . __ N 40, N 40 ' 19, W i:': 0 /-":' · 1 Z .-, .c.'~ ...... .~...,~ o.,.' .-. 16 N 16,:'-':9.70 .1. 710.4.(:) 17:.---: 1. 1 :':: 44. 16 N 40.19 W 0.1 :E: 1/_',78. 4'0 N 4 Pi_..'-..,..":"-" N 40.. 19. W 1 .09 17:7.: 2.24. N 46 4-() N 40 :BO W 1 :Be') 1'78'7 _1. = N m · -, # ~ ,.,.I 1059.98 W 1 ,'.=.':51 ,, M."-': 1105.78 W _1. 9'2:1.. 77 · 115 _1.. 07 W 199 _1.. 4 1 :L96, 06 W' ....... :.-_.'!iS-.?.4:iS'?P./~,' ......... .1. 241.._=;/-.., W 21:7.: 1.22 1288.05 W :2:21A 2.94 6':7,' 0 C) 6, 05 '?. 79 f'"~ 982, 7 (:) 00 6. 1 .,::..~,'-' '"', '4. O. 604 '7. '7100 .619 A, :7.:'.-7.' 6,112, 7200 ;': ""'=' . -,.,.-...:, 6 .1. 8 4:, 178. 7300 6 :B:22.93 .65_:' 4. 5. '7/_-, 50 '740 () 6 :B 9 C), 6:B 6 :_313.21 ............................ ,::F,::/ .:, o o':- ": ............... 6 Z'I...,: ;::;5,,""', 'P,..:,6 ./.-., 3 L:) 1, ':~ .... ":: -- 4:-:: ' 26 N 40.60 W 0.89 20.1.6,.79 4.7' LI.L:: N 40.89 W 0,/:,:::: 207:3.2() 4/-, .=;'7 N 41 0 ' W 0 '-' "'-' '-."::' '7:...3 ....... :,-..., 2.1..: ...... N 13:35.68 W 2276.-2~"1 ....._, '-.,'-~ . N 1:384. ":'":' W ..:.:.._ 1 6,.1. N .1. 4 :B:B ' 0C-': W 2427.4. 2 hi 153 (). 44- W 2576./.:, 3 '='; "" 26,-1. 9 'P .1. N _1.._ 7,::,. 6'7 W 7 :F: 00 64, 72, 1 () 6, 5':.--' 4,68 7900 6'744, :;::' 3 66, 66, 81 8 () (')0 6816,. :'::_ O. 6_ '738 . ,...,c, ,...,,:, ,::., 100 6888.60 6 :"::': 1:1...1.,:,'-' ,:: .,::..) 0,"-, '::'.'/-, 1. 00 6 ::: 8 :B. .:,'- ,::,"'" '""-:( .... ._ 5 . ,.::,.: J o 70:3 :::, 1 6956 09 84. 00 '7105. ::: 9 '7028.46 4. :B 4. :3 N ::'::E:. C.) W 0.4 :ii!:500 7 ]. 77.56 71 C) O. 14 44 :B 7 Iq 37.6'.-.? W 0. :36 ::-': 600 72:47.86 7 .1. 7 C), 44 46, 1 N :B'7.5 C) W 1. -'1. (_') '"' ....... ' = .... "-"~' N 3A,::::C) 'W _1. c,o ,::, 700 7o 16, _1....., 7.,:.:,,::, 7:_:.: 47 Zl.'.-."~ , :2,f..:, 6, 6.4- 6 N 2 c) :;/ 4 . 6 2:1,4 3346.70 2721 ,, .".15::: I',1 2()67.4 _1. W :3416.38 2'77'7.86 N '2 :t 10. 7'? W :3:487.44 F:::z:CD 0 7:382 6 7 7:30 5 "" =' '~ ........ ......... ~..., 4 ..... :.:'46>:: ht :'::6, 19 1 ,, 04 :2896, lc") N ";'1'.9'9 :_::0 W :B6:B5 10 : :::::gr)c~ ...... 7448, :::;Z"' - 7:7.:7.1. , 40':.i_ : 4,:,'-" ': ' '""'-' '.:, : Iq .'.: ..... c,()"" W () ,4.:'_-'.: ~-.":" "=; /-.., ....., , 77 Iq 224:3 .... ..:,.-,C.,c, W ..:,'-"7 .1. o :L o ,.. S 0 H ]' 0 A L ~ :--:K ~ P E T R 0 L E U M F:Fi. F'RUDHOE AI_~L=;I<~ VERTICAL SECTION CALCLILATED ALONG F:LOSLIRE ANCHJ]RAGE ALASKA SEF'TEMBER :3, 19:--:5 __.F'AGE. _.4 ....... f]ATE AF_ L=;LIRVEY SEF'TEMBER 1, 1'''''-' ~-;, ,:, ._, Et!-H;~;.;--L .GY.E.Q;~!3 E' I C_ :_3LIR V EY ............. ,_lOB NUMBER AK-BO-5(f)O'P5 KELLY BUSHING ELEV. = 77.42 FT. DF.:EEa~]]OR,_L_;-~ELL ER'-' · '-!. __ ]-RUE E;IJB-E;EA MEASIJRED VERT I CAL VERT I CAL DEF'TH DEF'TH DEF'TH COI_IRE:E COI...IRE;E I NCL I NAT I ON D I RECT I ON DEG I'11N DEGREES F..,] g-LED __ TOTal SEVER I TY REC:TANGLILAR C:00RD I NATES DEG/100 NORTH / SF-,_ITH EAST/WEST VERT I CAL F:E C T I '.-'~000 7515.52 7438. 10 'F.;' ]. 00 7582· 7/:, 7505.2.:4 '.-.-o]:00 7650.57 7573. 15 'F~400 778E:. 81 7711. :_'-:'P 9 .~ F) c') 7':' .-=;':' 06 7781 ' 64 ....... ...i ._ ..." .~ ....................................................................................................... 9600 7930. O0 7:352. !57 '7700 8001.78 7924.36, '..-."800 :3074.59 7997. 17 .......................... -0; ;5 .... ¢~i~. .............. ;::;,::, ....... 1/4-,=,':' -£~...., 4 ......... ;-'7~,=, U':;7 ................. 1. ]. 1 1 A 0 A A '="-"']:"2. '=:'2 :81, ~ ' 4 A ]. 0100 ::3296.23 8218 ' 80 1 Fi_ :30 (")..844 ]. . .:."" ._, ~=' 8:3/_-, 2.:. :-2:2 47 M ~ :35 .... .... , N .89 W 0 4::: 3017.16, N 2287 02 W 47 :_::4 N :3:5.80 W 0..'_::7 :_--:077. :[ 6 N 23:3(). :_::7 W 47 1 N ':'~ :30 W c'~ 6!5 31 :::/-, ':~ ~-- _ .............. :..._, N :-2:37:L::. 1 (') W 2414.89 W 4. C) 04.79 ~ ~._, .:.. 1 .:, W 4. 076.6,:3 24.'P7.1":' W~. ___~]:..].,.Z!.:~.,..?~!..(.!._~ ..... 44 .'_--:2 N 34.89 W 0.57 4.3 4.1 N :2:4.1 '.:.~ W F). 97 42 .=;(') N ":":' 1 0 W 1 14, _ .. .._i ,_1 # · 4 1 4'7 N .:, 1, ,_,C): W ::' 4= :., . :'N ,:,~., .:,; W C~,~ 43:16 N::;33.~lA'":, 1 :3371 1 '= '.:' ~":' '"-;', '= '-" · J N 7 W 4.21 :--: ..-- 7 # · ._ ...I u :34'-"-' ~: ,:,. 49. N ..._'-" P; 77. c').. 3 W42::5:7 .87 L--.:4:.~'= ~ .-, =. -~..-, ..... , ..... 4 N ..: E, 1 .... C..,:: W 4:::F'~/-,. ::: ............. · ....... ~ .......... ................... ~. ~..~-. t-.,..,-.::_ ~-t ~ ........ '~54" 3 4 ":"/- P; ....... .'.'.N ~:. _,._ 1 , 14 W4.42.'_--: . .=,:-2:.. .-,,:',~,.:~ ,-, r.= ,.- - . .'. :: . ,.,._, N 2,:, ::': 6.72 N 44 .~ ¢.). 4 () '" ~'~ ~,1 ~' I~ ,_-, .-) .-, ' ..:,6....,6. lei N 2723 4.5 W . *ff...,I .,.. ;..¢...~..~...:.,~._ ..... 43...,':',_,':' N 33.89 W 0.6, 6, 4,:3 :2:1 N :34. :--:0 W (). 2.:0 :'::71:3.51 N 2761.42 W 4626.'76 :..:.:77()./_-,0 N 2800. F)7 W 4/:,95. :5:7 · -I i'-I -"i · 0.75 ..:, ,_-., ..' 7 . '".?. :"::_ N .....-.,,_,c, ._,':',._,':'. 4:5: W N 490'] ._,6 N 4 ........ ]...,,...4.'.~: 79 N 2977. :2:2 W 5040.64 :5:'7 N :_3F) ._,._, IAI 51 (')'.-}.."-;':' 57 N :_--.:041.65 W ~ :L 78.79 N' 2:;:' u s284.17 '2' 7 N ::; 1 n.=-';. F) 4 N ?;::: :1. 9. ?; .l 10:5:0 (]) 88 C) 1.90 87'.'.24.48 43 59 N 27.80 W 0..64 406'7. 109 ()() :iii: 8'7:3.75 8796. :2: 2.: 44 8 N 27.60 W 0.21 412':.?. 1 lO()O ::3';~45.16 E:867.74 4.4 41 N 2'7. C) W 0.69 4191. ...............................1. 1 1: ":"c) c) -= ...................... ;5; c)" 1 F.:.:..,. ....../.:,..:,:' :.4 ......... ";:.;';::;:~';::F-7;;'.,::, ;..:,c,, ~ I ..... :' ~'~'' '' 4 ~: 4 1. N :.,:.,"_-, ,.: ~: ~ 1:." '~'. -"c:~;:.W .'.. "' -:I. ....... ,147 -'::"4.,:.._,._, ,'~'--G- · 1 :L 1....,u /u..,u.._,4 ..... 7.:.. :[ ~:.45 ::i:i'?;'i!:45: ::: :'::: 'N /:, g,' .t :::.'8'7. _t 1200 90:::~.':. 42 9008. O0" 45:45 :::2,,,, ..~-:, Oh::i:.:;:.:'::!:>::i .:43 j. 9, 1 _1 2 ::: F) 9141 :23 90/-,:':": :5:1 4.5 4.5, N 26 1 '::"; W F). 0 (') 4 :'::'7 c') 69 N '-' .... ' F) .... ....................... :, 1 .: .... 34 W 5.376, 05 H n R I Z 0 Iq'l' A L D I S F' L. A C E M E Iq T = ..: .:, 7 :, 0 5 F E E T A T N 0 R T FI :':: 5 D E G. ::: 1-, M I N W E S T A T M II I 1 ':.it :5:0 C LCUL T C,N rH U ...... ":'F ,::URV TUF:F · · ~3F'ERRY-F;/IN WELL: SLIRVEYI'Nr3: Lr'_,MPAN -: y F'AGE . E; 0 H I fi A L A'.:; I< A I::'E T R I"l L E IJ M E: FI. ANCHORAGE ALA.'_--;KA C:OMPI_ITATION DATE r'IATE OF F-';LIRVEY L=;EF'TEMBER 1, 1985 F'RLIDHOE BAY ALASl<A ,_IL]B NLIMBER AK-BO-50C)'F;5 KELLY BI_I:-:HING ELEV. = OF'ERATOR-E. ::;EL LER'.-: 77.42 FT. I NTERF'OLATEO VALLIES FOR EVEN 1000 FEET OF MEAL::LIRED DEPTH TRUE SUB-E:EA MEAL:;LIRED VERT I CAL VERT I CAL DEF'TH DEF'TH DEPTH 0 0. (')0 - 77.4. 2 .1. 000 '? 99.6. :':: 97' 2.21 TOTAL· · · RECTANGULAR COI]IRDINAI'Es '::'::':'. MD'TV[, NORTH/St'iLlTH EAST/WEST ::: I]IFFERENCE VERT I CAL CORRECT I ON 0.00 0.0C~ 0.00 · .:,. 23 N .~ 5.92 E (). :2:7 0.2:7 40 C)0 :2-: 9:34.0 !=; ._,.:, ,..,c, ._,,= e.,'.-. !::-~ o (], 0 '-'-' 79 46, 20 ....... 46, .,. / . . 6, 0 (:)0 5 4 '2: 6,. 18 [5 ._-, 4 ,::,. '70. () 0 6 .1. ..--'-' ._,"':'. 4. 0 6. 047. :_::7 796.7:7 N :3:31. :::6, W :3(32.21 75 1 :'::5 7 0'7, N '::"-':' 1 ':'":' W ""'; "" ,:,z' .. .. _ ..._ . ._,.~. .... 7..:l. ,'","'' '.:./8 1901.18 N 1384.2:_:: W 874.60 ,-,,'", --:,zi.~ 1 ~ -I: 'Id ""'~ 1 ,:,._ 1, : .:' ::'(' 1~ ,:,._ "70 ,~ I~ .,. , ~. / '~.~I °-- .~... · ~ ',,. · .... 7.0.~ W 10'' 1'7, 16 Iq 14.,'_-':4:" 4,'---: 4C} i' :::,5"7'-.':'¢',. C).~ N :,....,. ~,. ,.:... .1.'777 , .1.8 2:2:6.27 271.61 300.77 292.70 ........ n.r-~- # n .1..1. ~"~ ~"~ ("~ 8945.16, :386, 7.74 4191 .. 7 N :2:() 4.1 6, 5 W ;2054. 84. 27-I. 6, 6, 11 '2:::c) 9141.2:2: 90/-,3 ':' . . . ............. :, 1 4:3'7(".). 69 N :31F:O :34 W :2 .1. :5:8 7'7 8:3 '?:3 I"' "' I I'-' . ]'FIE CALCLILATION F'ROf':EDLIRES ARE BASED.:'ON :]'HE L.:,E OF.i.T"FIREE I]IMENSIONA[!': RAE I ..I.:, LIF CLIRVATLIRE METHOD ' :s~ 0 H I 0 A L A ~E~ KA U-12 F'RUDHOE BAY ALASKA F'ETROLELIM CO. SF'ERRY-:~LI~ WELL SURVEYING COMF_3ANY ANCHORAGE ALASKA COMF'LITAT I ON ~.~LTE . SEF'TEMBER 3, 1985 · DATE OF '.::URVEY '.--:EF'TEMBER RAGE .... ,_lOB NUMBER AK-BI]-.=,C)C)':~='.: ._, KELLY BLIL--;HING ELEV. = 0 E:ER A TOI--?.:E,,__L:;ELLE ~. 77.42 FT. I NTERF'OLATED VALLIES FOR EVEN IOC~ FEET OF '.:;UB-'.3EA DEF'TH TRUE SLIB-SEA MEASLIRED VERT I CAL VERT I CAL DEPTH DEPTH L EF ] H 0 ,F). 00 7'7 77.4-2 RECTANGIJLAR ,::o,]RD I NATEs ' MD-TVD NORTH/SOUTH EAST/WEST [~ I FFERENCiE -77.4.2 0.0C:, C). 00 0.00 0. ()0 0.16 I'.1 0. :.--.:9 E O. 0 .1. VERT I C:AL C 0 R R E c'r I o N 0 .'01 -- 17'7 17'?-":"'4:2 ':'77:277 4-2 5:'77 377.42 30('~ :' 00:' : ri:. ':'-" N .-.-": 73 :? E '0 ;'il 5 ("~. 05 O. 04 O. 04 47'7 4. 77.4-2 4(') 0.00 5 '77 !=; '77, 42 5 ()(), 00 677 677.4.2 6()0.00 ...................... ? ?-? ...... '"" "/?':2 o ,o o ""',:::, 77 c,'-' 77 . 4. 2 ' 800" 00:::::::::::::::: 9 '77 9'77.4-2 ' 900 00 . 0.'77 Iq 1..'.'-' 7:1 E 0..18 1.02 I'..I 14.c, 8 E 0.21 1.10 Iq 16.'P5 E 0.24 0 .. ¢'-~:3 0.0:::.: 0. ():}) .1. 077 1077.4.:2 1177 .1. 1 '77.4.2 .1. 277 1277.42 1 ..:.,77 1:2:'77.42 .1. 477 .1. 4.77. Z~l..,::.-'"', 15'7 7 .1. 5'7 '7 ,, 42: 1 .1. 00.00 4. 17 hi :':: 0. ::3 8 E 0.4,.1. .1. 200.00 4.07 N 33.61 E 0.4:3 1:300 '00 ..... :':":1 0 - .=;4 1 Z l. OO, 0() _ · .... '-' '"?:5 .~-...,7 E (') .=,/', 'i 5(")¢)', 00 ': .:',. ~:: .... -, - .. O. ()4 0.0'-'1. (). 04 ('). ')'", (,...::, 0.0:3 0. ()2 678 .1. 677.4-2 77::: 1 '777.42 .1. 600 ,, 00 '2.7::: N 42.7 .1. E 0.58 1700,, (')c). _ :2 . ':, .... ,.:.' N 44 . :::'-? .... IF: (") .6.1. ' .. - 0 O. 0:;::' ,-., , , c. .:,LIRVEYING L-:OMF'ANY .=,FERRY-._,UN WELL '-' ' PAGE :::;AH IO ALAF;KA F'ETRFILELIM F:A. U-12 ANE:FIORAGE ALASI<A COMPLITATION DATE DATE OF SLIRVEY SEF'TEMBER 1., 1 '.-.:'8 5 F'RLIT~HOE BAY ALASKA '.=;EPTEMBER 3 1985 ,_[EIB NI_IMBER Al<- BO - ._,='o ¢_)- ,-, =;. ._, KELLY BLI'.=;HZNG ELEV. = OF'ERATOR-E · L=.;ELLERS 77.4.2 FT. I NTERF'OLATED VALLIER FOR EVEN 1C)O FEET OF '.E;UB-SEA DEF'TH 'TRUE MEAF;LIRED VER]" I CAL I]EF'TH I]EF']-H L=;UB-L:.:EA TOTAL . .'' VE'RT I C:AL. RECTANGLILAR COORD I NA'TE:B :.i.: MD'TVD DEP'I'H IqC~RTH/'.=;OUTH EAST/WEL=;T D I FFERENC:E '. VERT I CAL CORREE:T I ON 1 :{:'7 L:: 1 :::: 77.4.:2 :i. ,':z ,-, . .: 7c, :[ ':7./77 4:2 1800. O_ O_ ,-.'-' 27 N 47 .0/=, E , 0 .6 :::.. 0 .0:2 1 'P00.00 2. C)4 N 4'P. 1. 9' E 0./_'-,/:, 0, (,'.:,2 .-'C 7o .,.'..L /7 42: 2178 2177 42 2:278 2:-277.42 ...'. 00 J. 00 ::.:' 100 - 00. ':.'200.00 1.: ':'-':".-,,_, N ...... T i.- . : ::: 'o, 02 , :[4.1 N .=, , ,_ . ,.4...77): E 0 71 0 C) l 2:'::78 2:2:77.42 247R 2477.42 · '"~ ~:~' - .,:: .... 7 / . 42 d::...,.! 7 ¢-~ *--~ ~ - '~ .,.-' 67,:, 2/=,77.4.:2 2778 2'777.42 ..... · *"f I"J --,/~' # '2 :::: 7 L=.: .,.:,:, 7. 42 23(')0.00 240 C). 0 C) 25C)C). 0(:) 2' 600.0 C) 270 C), 0 (') 2:800. C,)0 2 'F' 7 '!? ::? '.:.:' '77.42 :;2 'F' 00.0 () :307'F.:' ::ii: 077.42 :30 C) C). 00 :318.1. :}.': 177.4. 2 31 C')0.00 :=:28:'-:: 3277.42 :3200.00 :3:.387 :3:377. Zl. 2 .... "-'C '. · .:,.:, .) L) C)() 1, .1. '.-'.;' N 56.25 E C). 72 C). 01 1,0:3 N 5'7.41 E ().7:3 c),,01 0. ?0 Iq =;':" 40 E (.'.) 7:_--: 0 01 i.N i~1I . ~ i C), 0() 0,, 0:3 c). 27 :1.3.47 iq 4:3."P:3 E 1.6() (). :56 ,Z, ":":' 64 N :2:4 4'? E i:.7 4'7 0 .......... d~...'" # # # n 34. ".?. :::_ N ~..~.'=":', .._':: '-). E...,':'. ? 6 .1. . 4-'~' :':: ?, ,?,, ,:, :-:: ,.:, 77.4. 2 :':: F'~ (") C) C) 0 :1. '"'"" 9 "=,":' 64 W 6. 1/-, ................. z..-'. 1 N '.20 84 :3706 36'77.42 :2:600.0 C) 154.2 C) N 7:2:. ,::? 1 W 28 ,, :F: 8 8.04 l~l ] I ~ 1~. I [ ' i i ' i ' ...... .-,F ERRY-o _IN WELL l SLIRVEYINI] L-:OMF'ANY ANIZ:HORAGE ALASKA DATE OF L:;LIRVEY :::EPTEMBER I_-:OMPLITATION DATE i, 1985 I:'RUDHL-.IE BAY A L A :_--; K A SEPTEMBER 3,1985 · · ]:i. · · JOB NLIMBER AK-BO-5C}O':.-/5 KELLY BLI::;HING ELEV. = OF'ERATOR-E... S~ELLERS INTERPOLATED VALLIEL:; FOR EVEN 100 FEET OF F;LIB-F:EA DEF'TH 77.42 FT. MEASURED DEPTH TRUE VERT I CAL DEF'TH .'::;LIB-L--;EA VERT I []:AL DEPTH TOTAL I l I l l RECTANGULAR CL-II-IRD I I~IIATES I MD--'TVD. NC[RTH/SOUTH EAST/WEST I] I FFERENCE VERT I CAL C 0 R R E L': T I 0 N :.3 :-":-: 16:3777.412 :3'.-.:' :F: :2 :3 :--: 77.4. 2 :::70c). 00 190.5'.'..-, N 10'?. 27 W :~l.~i~l 5~I :':: ....... :::.:0 (] . c)_ c). 2 :--: 4 .9. :::_ N 145.74 W 54 · o.....-:, 1 c). 68 15. :':':6 40 ,.,.,::. :::3 '..:? 77 4:2: 4178 4F)77.42 430 :-'-: 4177.4-:2 44.41 4.277, 42 4574. 4:::77, 4:2 4706 4477, 42 4972 4d:,77.42 5106 4777.42 4200.00 4300.00 4400.00 4500, O0 4:600, 4700.00: ..... .,:: 4 ." ::":: 77. 5:377 4. '? '7 '7. 5512 5077. 5648 .5177. !:..-.] 78'F¢5277. 59:30 !=i:::77. 42 4.80C). 00 935.33 N 4.2 4'.:;'00.00 1013.94 N 4.2 5C)0C). 0C) 10'~)'2.14 N 42 :5100.00::'::::: 42 5200, ~)0 615, i~:;i [~.II W 662, 66 W 7C):--.:. 4-4- W 4 .:, ..:,. 6072 54. 77, 62:1. 4 !55'77, 4-2 540 C)_. 00 1 ._,':"-?.. /-_,. ¢').... ::: N '?.~ ._, =' ..F,. 04 W 42 ='= .... ..... :, 00.00 1472. ='- = · .:,..:, N 1020. 75 W · :,; .:,. 28 41.77 637.31 42 ,, O::ii: F;PERRY-SUN WELL sURVEY I NG:/C~OMPANY · PAGE ':.?' 'i~;OHIO ALARKA F'ETFd-ILELIM CO. U-12 ANC:HF~RAGE ALA'.-]KA C:OMF'LITATION DATE DATE OF SURVEY SEPTEMBER F'RLIDHE~E BAY ALASKA SEF'TEMBER 3, 19':'.~. ,_,._ ,JOB NLMBER A}:'-BFf-F,C)(')'?F, KELLY BLISHINL] ELEV. = OF'ERATOR-E. :=;ELLERS 77.42 FT. I NTERPOLATElrl VALLIES FOR EVEN 100 FEET OF .:,LB-.:,EA DEF'TH TRUE MEASURED VERT I C:AL DEPTH DEPTH F;UB-'.:-;EA VERT I CAL:. DEPTH .... "='=' 56'77 4.2 .=,AC)c) o0 ¢'"'~ ..', ._1 ._1 . ....... . ,, 64. '.;.' 6, 5777.42 5700. C) ('} .': TOTAL . ::. " RECTANGLi[,AR COORD I'NATES. ::;:' '::: Ml]~TVD . N~qRTFI/'.=:CIUTH EA.=,T/WE._ T D I FFERENCE VERT I CAL C'ORREF:T I ON 1 ._ 4,:,.._, 1 N 1085./-_,,_,'::' W A_ 78.57 41 · .'26. 16,2:3.13 N 1149..2:5 W 718.76 4. O. _1. 9 66:=:5 ..o77 4.2 "i'", .. · 67 7,:, P?-.777 42 /=,'P:2 6 607'7.42 5800. 5'PCx}. 6. 000. 277 ": 'PO :801" 01' :' 42 73 · :, 4,=,. ..) W : ,=, 4 .~.O' '-:.~ , 4. 8 . '0,=,'-' 70 ::: () .,.:, :1. 77.42 6100, 72:2::2 6, :2'77.4. :2 6200, 7.2', :--: ()./.=, :2:77.42 6:2:00. 7526 6477.4.2 :6400, " / '-' t' ":;77 42 76, :,,: ....... 7807 6677.4. 2 66 ~") 0. 00 1747.8'=.? N ('} (') :20:34. ':~':' N (:)0 211:=:.11 N ·. 0C~ :74- 00 142:2:. :_'-:':.-~ W 902.71 5.2:. 6.2: 1497, 43 W ':~.~4.60 '~ 1 ':":"' ..... .- . ,..,,21, 1569. :=:9 W 10Cx:-:. 2:3 4:=-.:./=,:_=: : :t 05'0 ;' 74' : 42.05 · ' ~ o,-,: :' ':,":' ::~'-7.-' ' .[76._ W 1129' :. .... ' 1 '7946 677'7.42 8084 6:3 '77.42 :.=:222 6'::/77.4:." 8:360 7077.4. 2 849'.:.? 7177.42 8642 7277.42 /=,7C)C~. 00 242:2.96 Iq 18'.=t7.69 W 1168.7:2 ::: (3 c) c} 0 '2.' 4. 96.47 N 1 -' -"-' W :1. ....1:3 ...... ,5,5 ,::,. '.9:3 '::' {'} 7. z:, '-.-,, (') c') 0 C) '.--' 57 A P"; '-' '.:.;' 48 ':":' .............. :, N 1 W 1245 ':'Pi ~ I..~ I_, . ..'...._ 70A0,00 '-' ': '=" "' ,:,c, '. :' .... -,.-, .~:64-4, :: .., ~.007, ,_,~. W t4 71 O0. O0 ~:7~,"' c, 1 '. 4~ N ': ~.06 ':' ' 7 .~':'""~ ..... W .... t c'°'"'..-.... ......... ':":? .:,/~ 7200.00. '' . '~"-~:oO' c, c,.':,.....~.~. N ..-... 47 N . .... :,._ . 19. ...i ,_1 # --I · .:,,::,. 4:1. 8792 7.2:77.42 894:3 74. 7'7.4:2 7:2:00 00 '-"-"P .... . .,:.,:,. 1 27 N 2195.77 W 14.14./-'.=' 74C)C). Cx) 2'PF:2.88 N 2:262.2:2 W 146.5.64 49.4':' 5 .1.. 02 :i_-';O H I 0 A L A S K A F'E T R 0 L E U N C n · F;PERRY-SUN WELL S'.;UR~EYIJ~G' COMPANY ANE:HE~RAGE ALASKA COMF'LITATION DATE DATE OF :E;I_IRVEY SEF'TEMBER PAGE 10~ F'RUDHOE BAY A L_ A :_--; K A SEF'TEMBER 3, 1985 qOB NUMBER AK-BO-5C)¢)'~5 KELLY BJz. HING ELEV n~2EF~ T 0 ~- E_,._=.Ei.~_LE ~Ei I NTERF'OLATED VALLIES FOR EVEN 1(')0 FEET ElF SUB-SEA DEPTH 77.42 FT. MEASLIREFJ L-~EF'TH TRUE ::;UB-'.:-:EA VERT I CAL VERT I C:AL DEF'TH DEPTFI ". TOTAL· · RECTANi-qULAR :COORD INATES MD-TVD NORTH/SOUTH : EA.:.,T/WEST: DIFFERENCE VERT I CAL · C 0 R R E C T I 0 N 7577 · 4 :.2 75 O,r'~. 00 7677.42 76()0. o0 ..... ,..' · 43 hi · .:,~/_-,0.47 N 7777· 42 7700 7877.42 7:--:00 75)77.42 7900 . C)() 00 '7-'1. 8077.4-2 :.':: 000 :--': 177.4, 2 ,:,"" 10 8'..--t 77.4 ';:: ::: 200 F) O .-,4 .... 7 7:--: N 16.4.5 W Cm .z,._,64 .-).o N '2/-,A4.7.5 W 0 0 :--:6 41 ':' '~' .... ~. N 271° 7:--: W 0211 034'P 04:F.:8 8377.4.2 ':'"'"~'" "00 ,_, %D ,. ,.~,, 8477,42 '" F ' : o4 ,_,._,:,,:-]7'7, -. 42 ::i~(')C) _1. 726.4:":-: 37. :";5 17 61 '""-" 3 4 ::: 9 · .~,, .... · ... 1. 79/-. - .=i ':'=~ 4.'.-_-: · - u, ...a... # '1 1 'i. "FHE F':ALCUI_ATIIE~iq F:'I-]:OCEDURES LI::;E A I..INEAR INTERF'OLATION BETWEEN THE NEAREST :'2C) F(]OT IdD (FROM RADILI'..:; I]F- CLIRVATLIRE) PO INI'S I .2, ',.-., 40.3i ::43.10 : 27 5CRLE PBUOHOE BR% U-12 RK-80-50095 :- 1 ZNCh TO 1000,00 / tO00. O SON!8 qLflSKR PEiROLEUM C~. SEPTEMBE~ I, 1985 T~UE NORTH I -4000. O0 11280 -4000.00 % ~-3000,00 o ~2000.00 tO0 i -3000.00 -2000.00 -lO00. O0 .... l 003, no hOBIZOi',,iTAU ~f, fl~,~dl !ON 0.00 5CRLE PRUDHOE U-12 RK-80-50095 :- i INCH TO 2000.00 / 2000.0 SOHIO qLRSKR PETROLEUM CO. SEPTEMBER 1. 1985 2000.00 4000.00 GO00. O0 8000,00 iO000. O0 --- 2oho. oo ~0~o. oo 6o~o. oo Suggested form to ~e inserted in each "Active" Well folder to check for timely compliance with our regulations. OPERATOR, WELL 'NAME AND N~JMBER Reports and Materials to be received by'Y ........ Completion Report ye. s Samples Mud Log ...... 6oxe Chips ~o~e ~e~t~o~ ., ~~,~ . ...... __ _. ~/~ , Registered Survey Plat , ,, , Inclination, Survey .~ Drill Stem Test Reports ,,, Production Test Reports Digitized Data SOHIO ALASKA PETROLEUM COMPANY SFO ARCO EXXON TO PHILLIPS STATE OF AK 3111 "C" STREET ANCHORAGE. ALASKA TELEPHONE 1907)265-0000 MAIL' POUCH 6-612 ANCHORAGE, ALASKA 99502 Da[e: 09/16/85 TO: 76432 REFERENCE: SOHIO MAGNETIC LiS TAPES & LISTINGS The following material is being submitted herewith. Please acknowledge receipt by signing a copy of this letter and returning it to this office:-- CH-CNL 05/28/85 #1 Sch #70755 CH-CNTG 08/06/85 #3 Sch #70734 CH-CNTG 08/07/85 #3 Sch #70735 CH-C[~ 08/04/85 #4 Sch #70714 O.H. 08/24/85 #1 Sch #70792 Tape Pos.#03489 Tape Pos.#03490 Tape Pos.#03491 Tape Pos.#03492 Tape Pos.#03493 * EXXON: An Asterisk (*) next to a listing above means you should have received the Tape(s) and Listing(s) directly from the respective service company. Please confirm this. RECEIVED DATE /~ ~ O~ ~,~ED~) Victoria Aldridge L~2-L -- 7/~,~~. ~ k,~Technical Doc=entation .......... ~~ ~~ Records Management MEMORAN'uUM State of Alaska TO: THRU: ALAStZ~A OIL A~D GAS CONSERVATION COi~R~ISSION C. V/~tterton Chai~m.~~/ Lonnie C. Smith Commissioner FROM: Bobby D. Foster ...... '~'" ~ ' SUBJECT: Petroleum Inspector DATE: FILE NO: August 19, 1985 D.BDF.62 TELEPHONE NO: BOPE Test Sohio-P. B.U.Weii U-12 Permit 85-182 Prudhoe ~d il; ~ .'" ~'~-'- Sunday, August 11~ 1985: The BOPE test began at 8:30 Ai-~ and was concluded at 11:30 Alii. As the attached BOPE test report shows, there was one failure which vJas repaired and tested. In summary, I witnessed the BOPE test on Sohio's P.B.U. Well U-t2. At t a chmen t 02-00lA,Rev. 10179) O~G 5/84 STATE OF ALASKA ALASKA OIL & GAS CONSERVATION COMMISSION B.O.P.E. Inspection Report !nspector~~ /~~. ~~ Location: Sec/ a)/~/~Casing Set ~~G ft D rillin~ Cont~actor /~ .~OF~. 'f R iz f~~ Re ore sent at ire ~~/~/~C_~ ~.~~l~A~/ Location, General ~~ Well Sig~ ACCUMULATOR SYSTEM General Housekeeping~Rig ~/_ Full charge Pressure ~©~ psig. Reserve Pit ~' Pressure After Closure /~ o-~ psig. Mud Systems Visual Audio Trip Tank Pit Gauge Gas Detectors BOPE Stack Annular Preventer Blind Rams Vg v s H.C.R. Valve Kill Line Valves Check Valve Pump incr. clos. pres. 200 psig -- min~/ sec. Full Charge Pressure Attained:. ~ min /~sec. N2 ~?' ~o0 /~D.~ ~zo--o psig Controls: Master Remot~.~~ Blinds switch cover ~_~ Kelly and Floor Safety Valves Upper Kelly / Test Pressure ~~.P Lower Kelly / Test Pressure Ball Type / Test Pressure Inside BOP / Test Pressure Choke Manifold ~=~Test Pressure No. Valves I ~ No. flanges ~'~ Test Results: Failures Adjustable Chokes ~ Hvdrauicallv operated choke / . Tesu Time --~_ hrs. Repair or Replacement of failed equipment to be made within days and Inspector/ Commission office notified. Distribution orig. - AO&GCC cc - Operator cc - SuperviSor August 5, 1985 Mr. R. S. Allan SAPC Drilling Engineer Sohio Alaska Petroleum Company P.O. Box 6612 Anchorage, Alaska 99502-0612 Re: Prudhoe Bay Unit U-12 Sohio Alaska Petroleum Company Permit No. 85-].82 Sur. Loc. 463'NSL, 2276'~L, Sec. 18, TIIN, R13E, UPM. Btmhole Loc. 494'SNL, 284'WEL, Sec. 13, T!tN, R12E, UPM. Dear ~r. Allan: Enclosed is the approved application for permit to drill the above referenced well. If coring is conducted, a brief description of each core and a one cubic inch size chip from each foot of recovered core is required. Samples of drill cuttings and a mud log are not required. A continuous directional survey is required as per 20 AAC 25.050(b)(5). If available, a tape containing the digitized log information shall be submitted on all logs for copying except experimental logs, velocity surveys and dipmeter surveys. Many rivers in Alaska and their drainage systems have been classified as important for the spawning or migration of anadromous fish. Operations in these areas are subject to AS 16.05.870 and the regulations promulgated thereunder (Title 5, Alaska Administrative Code). Prior to commencing operations you may be contacted by the Habitat Coordinator's Office, Department of Fish and Game. Pollution of any waters of the State is prohibited by AS~46, Chapter 3, Article 7 and the regulations promulgated thereunder (Title 18, Alaska Administrative Code, Chapter 70) and by the Federal Water Pollution Control Act, as amended. Prior to commencing operations you may be contacted by a representative of the Department of Environmental Conservation. Mr. R. S. Allan Prudhoe Bay Unit U-12 -2- August 5, 1985 To aid us in scheduling field work, please notify this office 24 hours prior to commencing installation of the blowout prevention equipment so that a representative of the Commission may be present to witness testing of the equipment before the surface casing shoe is drilled. B~ere a diverter system is required, please also notify this office 24 hours prior to commencing equipment installation so that the Commission mmy witness testing before drilling below the shoe of the conductor pipe. In the event of suspension or abandonment, please give this office adequate advance notificatibn so that we may have a witness present. BY ORDER OF THE CO!-~ISSION be Enclosure cc: Department of Fish & Game, Habitat Section w/o encl. Department of Environmental Conservation w/o encl. Mr. Doug L. Lowery SOHIO ALASKA PETROLEUM COMPANY July %t ' 1985 900 EAST BENSON BOULEVARD ANCHORAGE, ALASKA TELEPHONE (907) 561-5111 P.O. BOX 6612 ANCHORAGE, ALASKA 99502-0612 Alaska Oil and Gas Conservation Commission 3001 Porcupine Drive Anchorage, Alaska 99501 ATTENTION: Mr. C. V. Chatterton Gentlemen: Well U-12 (41-13-11-12) PBU Enclosed are the following documents in triplicate along with check for ~100 to cover the permit filing fee. 1. Application for Permit to Drill 2. Proposed Drilling Program Outline 3. Proposed Blowout Prevention Diagram 4. Surveyor's Plat Showing Well Location 5. Directional Map If you have any questions, please call Ted Stagg at 564-5173. Very truly yours, SOHIO ALASKA PETROLEUM COMPANY R. S. Allan SAPC Drilling Engineer our RSA:MSS:0420w.2 Enclosures cc: Well File #17 Geology RECEIVED Alaska Oit & Gas Cons. Commissior,, Anchorage STATE OF ALASKA ALASKA O,= AND GAS CONSERVATION CO~-.~, ~VllSSION PERMIT TO DRILL 20 AAC 25.OO5 la. Type of work. DRILL [] REDRILL [] DEEPEN [] 1 b. Type of well EXPLORATORY [] DEVELOPMENT OIL ~ DEVELOPMENT GAS [] SERVICE [] STRATIGRAPHIC [] SINGLE ZONE [] MULTIPLE ZONE [] 2. Name of operator Sohio Alaska Petroleum Company 3. Address Pouch 6-612, Anchorage, Alaska 99502 4. Location of well at surface 463' NSL, 2276' WEL, Sec. 18, TllN, R13E, gPM At top of proposed producing interval 690' SNL, 150' WEL, Sec. 13, TllN, R12E, OPM At total depth 494' SNL, 284' WEL, Sec. 13, TllN, R12E, OPM 5. Elevation in feet (indicate KB, DF etc.) Est. KBE = 85' AMSL 6. Lease designation and serial no.._ _ 9. Unit or lease name Prudhoe Bay Unit 10. Well number U-12 (41-13-11-12) PBU 11. Field and pool Prudhoe Bay , Prudhoe Oil Pool 12. Bond information (see 20 AAC 25.025) Type Blanket Surety and/or number Safeco Ins. 2975387 13. Distance and direction from nearest town 14. Distance to nearest property or lease line NW of Deadhorse 10 miles ADL 28283 150 feet 16. Proposed depth (MD & TVD) 17. Number of acres in lease 1 1198 _MD 9102 TVDss feet 2480 19. If deviated (see 20 AAC 25.050) 1_20. Anticipated pressures KICK OFF POINT 2800 feet. MAXIMUM HOLE ANGLE .43 ,. 8~D(see 20 AAC 25.035 (c)(2) / Amount $200,000.00 15. Distance to nearest drilling or comPleted well U-2 2000 feet 18. Appro~m_ate spud date O8 3330 ps[g@ Surface .4390 psig@~8800 ft. TD (TVO) Proposed Casing, Liner and Cementing Program SIZE CASING AND LINER SETTING DEPTH QUANTITY OF CEMENT Weight MD TOP TVD (include stage data) Hole 36" i 17~" 12¼" 8½" Casing 20"x30" 133/8" 95/8''] Insula 72# 47# 26# Grade . Coupling .ted Conductor L-80 Butt L-80 Butt L-80 IJ4S Length 110' 2650' 10582' 836' Surface[ Surface1 Surfacel I 10362TM 8579 MD BOTTOM TVD 110'1 110' 2680'1 2680' 10612'~ I 8760' I 11198'1 9182 l 8 cu. yds. concrete 3720 cu. ft. Perm E + 2056 cu. ft. Class G + 230 cu. ft. Class G 262.cu. ft. Class G + 22. Describe proposed program: See attached proposed Drilling and Completion Program. RECEIVED J U L !985 Alaska 0il & Gas Cons. Commission Anchorage 23. I hereby certify that the foregoing is true and correct to the best of my knowledge SIGNED ~. ~. ~~__ TITLE SAPC Drilling Engineer The space below for Commission use CONDITIONS .OF APPROVAL DATE Samples required I-lYES ~[NO Permit number APPROVED BY Form 10401 Rev. 7-1-80 Mud Icg required I--lYES ,~NO _ .~ Approval date > / % Directional Survey required ~Y_~.S F-INO APl number 50. o~-~ ~ SEE COVER LETTER FOR OTHER REQUIREMENTS ,COMMISSIONER . DATE August 5, 1985 by order of the COmmission Submit in triplicate )erm. 8%GEL ~%KCL PROPOSED DRILLING AND COMPLETION PROGRA~t WELL U-12 (41-13-11-12) PBU Install and cement 80' of 20" x 30" insulated conductor to surface. Install 20" diverter system. Drill 17-1/2" hole to 2700' and cement 13-3/8" 72# L-80 Buttress casing to surface. Install blowout prevention equipment consisting of 5000 psi W.P. pipe rams, blind rams, and annular preventer. Maximum possible bottomhole pressure is 4390 psi at 8800' TVDss based on original reservoir pressure. Maximum possible surface pressure is 3300 psi based on a gas column to surface from 8600' TVDss and an oil column to 8800' TVDss. Directionally drill 12-1/4" hole to the 9-5/8" casing point above the Sadlerochit Sandstone. Run 9-5/8" 47# L-80 Buttress casing to within 5' of 12-1/4" TD and cement in two stages: First stage using Class G cement around the 9-5/8" shoe. The second stage to be downsqueezed in the 13-3/8" x 9-5/8" annulus followed by nonfreezing fluid. Directionally drill 8-1/2" hole to TD. Run 7" liner from TD to 250' inside 9-5/8" casing shoe and cement using'Class G cement with 5% KCL. Clean out to 7" float equipment. Change over to 9.6 ppg. NaC1 completion fluid. Test casing and lap to 3000 psi. Run CBL. Run 9-5/8" production packer on internal plastic coated tubing with gas lift mandrels and a sliding sleeve. Set packer 50' above top of liner. A subsurface safety valve with dual control lines will be placed 50' below base of permafrost. Install and test Xmas tree. Displace tubing to diesel. Set and test packer. Suspend well for perforating subsequent to rig release. Tubing Size: 4-1/2", 12.6#, L-80, A/B Mod, BTC, IPC Tailpipe Size:4-1/2", 12.6#, L-80, BTC ACC/sh 73185: 0486N SURF'AC~. HOLE. DIVE~ SYST~V~ TwO lines venting 90° apart 10 3/4" manual butterfly valves !. A/1 pipe connections 150f $~Si Flanges or' welded comnections. 2. ~.~,nual 10 3/~" butterfly valves, safety wired in .open position at diverter line tee. ~ 10 3/4" 55~ Buttress 10-3/4" Hydraulic operated · ~ ~Butterfly valve ~_ / ~ 20~ DSverter Spcot ~/10 3/~" ~S]oe Ostler. Ma.s,~ 0i% -& Gas Cons. commission 10 3/4" Hydraulic Butterfly ~ralve opens when Annular Preventer closes. 10" DIVERTER .0UND LEVEL l 12" MAX. ,K DRILLING RISER L 1 20" 2000 PSI WP ANNULAR PREVENTOR I K DRILLING SPOOL ~-.0" CONDUCTOR PIPE DIVERTER SYSTEM DETAIL DRILL. DEPT. April 1982 I Mas~.a 0\\ & c~as NOTE: DIVERTER LINE HAS TWO DIRECTION DISCHARGE CAPABILITY AFTER LEAVING RIG SUB-BASES. B.O.P. STACKCONFIGURATION _ -- ii iii 13 5/~" TRIPLE RAM STACA~' 5000 PSI WP ! DRILLING ANNULAR PREVENTER PIPE RAMS BLIND RAMS KILL LINE CHECK GATE GATE DRILLING SPOOL CHOKE LINE GATE HYDR. ASST, GATE PIPE RAMS 02 O5 O4 2O O2 30 40 I0 2 12 ' b '- ,,o,~_ t3 '-~ (P¢oposed) Ed 25 ru 3O 40 I0 2O 3O J r-- U-2 , , I /LAT. =70°18~3.646' I ! LONG>I48°56 03.74" I \ x.=6:~,sr:,5 :',,'=5,9r=,0~.01 ~ U 5 \:b /. 2434' _1 ' / '~-ro osedk )--/('~ ,--I _1250' ,,~U-7(Proposed) 95o' <P~?'XI/ ~ rosa' ~ + F' -I' .... __ _ Or_8(Prop~sed) _ _ (Propesed) - j~u:g(Proposed)_: ~ 30 I 29 I PORTION OF T. II N., R. 12 E. & R. 13E., U.M. SCALE: I"= I/2 MILE SURVEYOR'S CERTIFICATE I HEREBY CERTIFY THAT I AM PROPERLY REGISTERED AND LICENSED TO PRACTICE LAND SURVEYING IN THE STATE OF ALASKA, THAT THIS PLAT REPRESENTS A LOCATION SURVEY OF THE WELLPAD SHOWN AND THE WELLS THEREON. THIS SURVEY WAS MADE BY ME OR UNDER MY DIRECT SUPERVISION, BOTTOM HOLE LOCATIONS ARE FURNISHED BY OTHERS. 6or~s, REGISTERED LAN~ SURVEYO~ p.~c, ....--~' WELLS ) 0 ) ) 0 WELLS ~/,~.~- /8- //- IJ) {1~ -/7-//-/J) ~' //-20 -//-/.5,) 0-9 (24- 20 -//-/.5) PAD DETAIL SCALE'I"=500' ADDED PROPOSED U-12 BHL REVISED U-5 BHL REVISED U-5 BHL REVISED U-4 & U-5 RHL ADDED PROPOSED U-4 ~ U-5 BHL ADDED PROPOSED U-:5 BHL REVISED U-2 LOCATION ADDED PROPOSED U-2 BHL ADDED PROPOSED U-9 BHL~ DIMENSIONED U-2 SURFACE LOCATION ADDED PROPOSED U-8 BHL REVISED U-7 BHL REVISED U-6 BHL 7/15785 ~0 /~8/84 - 9/12/84 8/si 184 --~8/21 /84 e/9/84 8/3/84 8/2 /84 _,--- 7 / I0/84 7 / ~ 184 ~--,- 6 / 8 184 ~.,5/24/84 PAD "ull Located In P'ROTRACTED SECTIONS 18 ~ Ig~T. IIN.,R. ISE.~U.M.,ALASKA Surveyed '~or SOHIO ALASKA PETROLEUM CO. Surveyed by OCEAN TECHNOLOGY LTD. LAND & HYDROGRAPHIC SURVEYORS 2502 West Northern Lights.Boulevard Anchorage, Alaska ]CATInN = W-E S-N TVDfSBS)._ .. ]P 611719.00 5961039,00 -8~,00 ]?TOM 6?8726.65 5965254.9? 9027,23 )TE - ALL DEPmHS TN FEET BELOW KELLY BUSHING (BKB) ,~, CLOSESTAPPRo)cH VERTICAL INTERSECTION CLL IDEHT /PROPOSEDX /N~ARBY% CLOSEST /pRO'PoSEDk /NEARBYX VERTICAL )8700 15500 .... ...,.,' .O4AO ;0700 {-10 8)26.4 ~ 11.7 V.~ ".7 ~97 ~1136 ~1~0 ~-Z .0 ~I173 ~{192 TVD TVD DEPART TVD DEPART DISTANCE DEPART TVD DF. PART DISTANCE 2695,0 7994.8 525.6.6 ', ...2606,3 66,8 2{333,3 8~..4 "5'9' 0 WELD 7511.9 ]6]5.2 8704.8 1971.5 4033.0 4416,3 9303,8 4681.5 0,0 0.0 0.0 1666,0 ,, .?11,.5 0,0 0,0 0,0 o.o o,0 , o.0 o. o o ~ o .'-j~,,~ i!,'~,,, o. o 0,0 0,0 0.0 0,0 0,0 0,0 0,0 0,0 0,0 711.4 276.0 165.0 Gas Cons. Co~m)'ss[o~ ~I ~'~chora~e 2,000.0 2,2 2898,3 26,3 47,2 2827,2 ,, wUICH COMICS CLOSEST TO TH,Z,,:"pRoPOSED,WZLL,.,,IS. . ,. 6 445~.9 54.7 {633.7 ,OSgST 5PPROACH DYSTAMCE-- ., 47,2 ,FEET ...:.,.. --- gLU$[ ADPPOACH "~9/P... R $ I ON 5.5 IR PRnposwD WFLL -1~ aNALYSIS --- COURSE LINE DCA?InN = W-E $-N DP 6~171g.00 5961039.00 -85.00 ]TTON 698726.65 5965254.97 9027.23 ]TE - At, L DEPTHS TN FEET BELOW KELLY BUSHINg CLOSEST APPROACH . '<. V£RTICA5 INTERSECTION ,:LL I DE,~IT /PROPOSED\ /NEARBY% CL'OSEST /PROPOSED% /NEARBY~ VERTICAL TVD DEPART TVD D~PART DISTANCE TVD DEPART TVD DEPART DISTANCE {5500 ,o4no ~'"9 ;0700 1!.7 ~1177 ',~ 170 ~1173 ~1192 I/--5 6,:;31.5 2695,0 7994°8 525.6.6 3347.~ 66.8 3333.3 8~.4 7511.9 3635.2 8704.8 1971.5 4033.0 8126.4 4416.3 9303,8 4681.5 .? 0.0 0.0 0.0 1666.0 ', ',71.1.5 .8 0.0 0.0 .~ 0.0 0'0 o.o o;o .0 0.0 0.0 1.8 0.0 0,0 .~ 0.0 0,0 0.0 711.4 0.0 276.0 0.0 165.0 0.0 55.5 Alask~ Oil 8, Gas Cons. Anchorage 2900.0 2.2 2898.3 26.3 47.2 2827.2 ~ 6 445~.9 54.7 {633.7 tF WEf, L ,, CLOSEST ~O ?H.I~..'pRo. POSED.~I~i',L...,iS A?l197 WE~u ,OSFST ~PPROACH DISTANCE = , 47.2 .FEET ,,:.., PRELIMINARY WELL PLAN Well: AFE NUMBER: U-I2 (41-13-11-12) PBU LOCATION: Surface: 463NSL 2276WEL SEC18 TIIN RI3E Target: 690SNL 150WEL SEC13 TllN R12E T.D.: 494SNL 284WEL SEC13 TllN R12E ESTIMATED START: OPR. DAYS TO COMPLETE: CONTRACTOR: MAX. ANGLE/SECTION COURSE: Aug. 1, i985 21 A.U. Rig #2 43.8°/N34O23'W KOP. 2800' Item TVDss MD(BKB) Mud Wt. 30" x 20" Insulated Conductor / 110 / 13 3/8" Casing 2595 2680 9.0 Base Cretaceous Sands 5372 6036 9.5 PBU/LCU 7382 8221 9.7 9 5/8" Casing 8675 10612 9.7 Sag River Sandstone 8678 10617 9.4 Shublik 8711 10662 9.4 Sadlerochit 8800 10786 9.4 Gas/Oil Contact / / / Target 8850 10855 9.4 H.O.C. 8949 10992 9.4 O.W.C 8989 11048 9.4 Kavik Shale / / / TD 9102 11198 9.4 ~ING PROGRAM: Open Hole - Record all logs on magnetic tape where applicable. 12 1/4" Hole: GR/SP/DIL and Dipmeter to be used at Geologists discretion 8 1/2" Hole: GR/SP/DIL/BHCS, FDC or LDT/CNL/GR/CAL. Dipmeter to be available. Cased Hole CR/CCL/C~L/V~)L (;yroscol)£C Hul. tishot Survey after ri~ release. j LJ L ? ,~laska Oil & Gas Cons, Corr~missior~ PRO~EiD DC~qNI~OLE DIAGRA~i WELL U- 1 '2 PROPOSED DEPTH BKB 20" x 30" Insulated Conductor 1]0' Ball Valve 2125' 13 3/8" Casing Shoe 17 1/2" Open Hole 2680' 2700' 4 1/2", 12.6#, L-80, A/B MOD. BTC. IPC. w/6 GLM*$ 9 5/8" Packer 7" Tieback Assembly 10312' 10362' 9 5/8" Casing Shoe 12 1/4" Hole 7" Liner Shoe 8 1/2" Open Hole 10612' 10617' 11158' 11198' 11198' Alas~ Oil & G~s Cous. commiSSion Anchora.qe CHECK LIST FOR NEW WELL PERMITS ITEM (1) Fee (2) Loc APPROVE DATE '4. 5, 6, 7, 8, ~thru l~)3 10. , //~ 11', (10 and 1~) ~ 12. (4) C asg /f/S~ ~/-3///~d' '(1~ thru217 13. 14'. 15. 16. i7. 18. 19. 20. 21. (22 thrd 2'6) 22. 23. 24. 25. 26. (6) Ad d: ////~¢4 ?/3//,,~.~ , 27. Company ..~ ~,~ Lease & Well No. Is well located proper distance from property line Is sufficient'~ndedtcated acreage available in this pool Is well to be deviated and is wellbore plat included Can permit be approved before ten-day wait ......... ~ YES NO REMARKS Does operator have a bond in force .... ' .............................. Is a conservation order needed ...................................... Is administrative approval needed ................................... Is the lease number appropriate ...................................... Is conductor string provided ...................................... Is enough cement used~o circulate on conductor and surface ...,... Will cement tie in surface and intermediate or production strings . Will cement cover, ali' known productive horizons .................... Will surface cas~n~'protect fresh water zones .............. ,..., .... will all'casing give adequate safetY in collapse, tension and burst Is this well to be kicked off from an existing wellbore ............. Is old wellbore abandonment procedure included on 10-403 ............ Is adequate wellbore separation proposed ............................ Is a diverter system required.. Does BOPE have sufficient pressure rating - Test to ~/~fl~ psig Does the choke manifold comply w/API RP-53 (Feb.78) .................. Is the presence of H2S gas probable ................................. Additional requirements .... ......................................... ~c~ ~F? P,o/~T ~.z.,L &~ ~." 17> F~NI Z~)~z.]-- ,i~ ~/T :~3"/7' TI~D, .( 0 H O Geology: En glne~er lng: HI'~ ~ LCS _~BEW~.', WVA ~ MTM~..._~. JH ~/~ . rev: 03/13/85 6.011 INITIAL GEO. UNIT ON/OFF POOL CLASS STATUS AREA NO. SHORE ,, ·0¢ ,'J ;, / / 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. .o R'ECEiVED 8EP.~ 9~ LYP OIO.,HO2 .VERZF:CATiGN LZST]NG PAGE I $~ REEL SERVZCE NAMS ':EDIT DATE ;85/09/ 9 ORIGZN : REEE NAME :131415 ~ONTINUATION~ ~ · PREVIOUS REEL COMMENTS :LZSR~ARY TAPE :~DIT PREVIOUS TAPE C O :.,~ u = h'rS : Li,~ ~Ry .~ LVP OlO.HO2 V,ERiFiCA!iuN L,I~,T.~N3 PAGE Z S C H L U M S E R G E R AL;~SK.A CCMPUTING CENTER COMPANY = SDMiO ALASKA PETROLEUM COMPANY WELL = U-!2 FIELD : PRUDHOE 6AY C OUNTY = NO~TH SLO~~:,OROU~H ,,y STATE = ~LASK,~ Ju5 NUt~d:~ .AT AuC. 70772 ' 'RUN ~i, :9A'TE LOGGED: 2~, AUG 1985 ,.~, LDP. HuwARU muLAM ~.E N.S i .T.Y V! SCO'S ZT"Y P.H P'~L U' I' D' L 0 S" S' .6Z~" @ 106:80.3' - Bz SIZE:: 8 11280.0 ~!:GN:OSUL~ONAT~ = 9.20 L.B/G RM : i.650.~ 62.0 DF : 5'2.0 S RMF : !.'¢'00 @ '62,'0 DF = 9.0. RMC = 1.980 @ 62..0 DF · : z+.-6 C3 R.M AT ~'HT : .'590 @ I"$6'. OF .( -- LVP 010,H0.2 VE~iFZCAT.iO.N. LISTING PAGE 3 SCHLUM&ERGER LOGS INCLUDED WITH THiS M~GNETIC TAPE: ~.UAL ~N~UCTI'3N SPHeRICaLLY F~CUSED LOG (9IL) ~ ' ~ ~ ~ ~ l * ~AT~ ~VAILAmL= 11260.0 '~ :nnCHCL~ COMP~SNSaTED LOG ~.?. DATA ~VAiL ' '' ' -.- LITHS ~ENSIT'Y COMPeNSaTED LOG CLDT) , CB~MPENSATED, NSUTRDN LSG (LDT).: . ~ O~T:~ ~VAILABLS: '2 .E' C :O '~ ~' ..... LV,P.O,.iO.N:O£ V,ERi iC I~,uN, Li,~,T~NG PAGE 4 MNEM S52VIC: SERVICE UNIT ami ~PI' &Pl ~Pl ~ILE' SIZE ID OR~,E.R ~ LOG,TYPE, CLASS MOD N:O. ~EPT mT 0'0 000 O0 '0 ' 0 SEL.U OiL ~HMM O0 220 Ol 0 0 oo o o oo O0 Z$O O1 g-R OI ~ 280 ...... ~4Li LOT IN 00~ 000 S'S ' L DT ..~!;:. QL.SLOT O0 000 O0 0 , 0 RHOB LD'T G/C~ O0 ::0 N"R'A'T LD'T 0 ...... R.N.R....A LO..I O.g 00.0 O0 O 0 NP'H'?I L"DT PU 0"0 9'90 '0'0 O 0 ~E'F LOT 00 358 01 0 0 N'CN' L L" O"T C P'S 00 '33:' O' 3"1 O' 0 ::~:,::.::':cF,CNL',~' L.O:i'.'...'~..'...~ CPS ~ '0 3.3. O 30 ~;~:~' ;9..>....f';~ ..~:.;.:. ;,i~?. '.,. :.!...:' '; '.. :. ::',:,:;';'..~; ~'i.., L,'~.... f.. ]; ............... ,.: . 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