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Home My WebLink AboutNinilchik G Oskolkoff / MarathonSTATE OF ALASKA AOGCC GAS DISPOSITION FILES YEAR: 2006 FACILITY: Ninilchik G Oskolkoff OPERATOR: MARATHON OIL CO 1. Facility Number 1330000032 2. Facility Name GRASSIM OSKOLKOFF 3. Field �4. NINILCHIK. GRASSIM OSKOLKOFF Operator Marathon Oil Company I5. Momly Year ul'Duov >mm� 1an416 Disposition Volume NICE - 20. For producison from nutlriple pools. Jim eonrrikmtdr of each pool as a percent of Tnrol Volume. 6. Sold 165184 ✓ t/ Pool Name Pool Code Percent GO TYONEK UNDEFINED35 562540 100.00 7. Reinjected 0 8. Flared or vented I hour or less 0 9. Flared or vented more than 1 hour (ace instr.) 1344 BY Pilot and Purge 0 II Used for lease operations (specify in Remarks) 465 Authorization >1 hr Safety 4zo MCF 12. Other (see instructions) 0 13. TOTAL VOLF SIE (ITEMS 6-121 167193 Lease Use MCF 14. NGL Gas Equivalent 0 Conservation - MCF 15. Purchased gas 0 Waste MC 3 •y • ab Commissioner Date 16. Transferred from: 17. Transferred d lo: (Express as a negative n) 0 18. Remarks: ? }o 0 ; 5 146! C AtiffetSir ( ZeC(F . et tit4 n z1 , .3KQg c 7,kc� 1 hereby certify that the foregoing is true and correct to the to. t of my knouloigc. Signature Bandy Jindra Title: Accountant Jinctra Note All volumes must be corrected to pressure of 14.65 psia and to a temperature of 60o F. Authority 20 AAC25.235. Printed Name Rattly lindra Phone: 918-925-7098 Date: February 16.2006 Fnnn 10-422 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Date Time Total Well # or Facility Planned Y/N Reason Mitigation Start Stop Duration Flare / Vent MCF 1/13/2006 1555 1745 1hr50min 416 GO -1 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 1/23/2006 900 1045 1 hr45min 420 GO -2 Y B/D annulus to release cod tubing plug. Unsuccessful, will use nitrogen later. 1129/2006 1330 1530 2hr. 508 GO -1 Y Vent water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. Facility Name: Grassium Oskolkoff Total: 1344 Marathon Oil Company Gas Flare / Vent Incident Report January 2006 2006 January - Grasium Oskotkoff - Vent Incident Report ids Originator Jaci Stasak from Operators reports, MOC Re: Gas Disposition - Ninilchik Unit GO pad Subject: Re: Gas Disposition - Ninilchik Unit GO pad • From: Cathy Foerster < cathy _foerster @admin.state.ak.us> Date: Wed, 01 Feb 2006 07:43:20 -0900 To: Athos Regg,Kjim regg @admin.state.ak.us Thanks, Jim, for pursuing this and for holding them accountable. James Regg wrote: I spoke with Ben Schoffmann (Marathon) today about gas venting at GO pad wells (Ninilchik Unit) and asked about plans to install compressor on pad or velocity strings in the wells. Venting has been necessary to unload the wells - we have been classifying the venting as "conservation "; we put Marathon on notice in July 2005 that we are interested in what they are doing to minimize /eliminate the venting. I requested a written update with next month's gas disposition reports. Mr. Schoffmann will make sure we get the update and provided a quick summary - - Marathon attempted to add perfs in GO #2; almost killed well; still must periodically unload the wells - plan is to install compressor in 2006 on GO pad; this should eliminate need for unloading well (similar to Falls Ck pad installation in 2005) - Paxton pad compressor in 2007? - Susan Dionne pad wells have not required venting to unload well thus far. Jim 1 of 1 2/1/2006 3:39 PM * v. • O. I,tttttw r Subject: Re: FW: Ninilchik From: James Regg <jim_tegg@admin.state.ak.us> Date: Thu, 21 Jul 2005 11:00:01 -0800 To: "Titus, Denise hi? <dmtitus@macathonoiLcom> CC: Steve McMaitis <steve mcmains@admia.state.ak.us> Jim Regg AOGCC Titus, Denise M. wrote: Thanks for the quick response. Please continue to update the progress of Marathon's efforts to minimize the need for blowdowns at both GO and FC, and note the current status on your gas disposition reports (Form 10 -422). The information is necessary fo the Commission's decision about authorizing the venting as provided in 20 AA 25.235. > Steve /Jim, > I understand there are some questions about the gas venting at the Falls Creek > and GO locations. Some wells at these facilities routinely flow at rates > inadequate to lift water from the cemented 4 -1/2" pipe. Over the course of > many days, the production will fall continually, resulting in very low gas > rates. With well loading, there is a danger of the hydrostatic column of > water exceeding the well pressure which could ultimately kill the well. To > avoid this, the operators periodically blow the water out of the tubing by > lowering the tubing pressure (i.e.. venting) long enough to allow the slug of > fluid to travel to surface. The resulting flowrate is improved and the well > continues at an improved rate for a while. The reduction in rate that you see > by month noted below is a function of basic decline and is not related to the > blowdowns. > The Ninilchik wells along with those at KGF, BC, CLU and other smaller fields > all compete for resources (personnel, equipment, and funds) and are > continually being evaluated. A compressor is being installed at Falls Creek > as an action to combat the need for the blowdowns. This compressor is > scheduled to be running November 15th of this year. Additionally, we are > making considerations for velocity strings or other unloading measures for > some wells on a case -by -case basis. In the mean time we will work with the > Ninilchik operators in an effort to reduce the amount of venting on the wells > where possible. > I hope I have addressed any concerns you may have. Feel free to contact me > with further questions. I have attached a list of contact information for > production questions. In the future, please address production questions to > any of the listed personnel. > > Thanks, > Denise Titus > • Production Engineer > Marathon Oil Company > 907.283.1333 - , (1 (1 5 12 ;q PV 1 Ax. C M. IYWIWII1A > *From:* Stephen Mcmains [mailto:steve mcmains:@admin.state.ak.us ] > 'Sent:* Friday, July 15, 2005 1:50 PM > *TO:* Senette, Brent M. > *Cc:* Jim Regg > *Subject:* Ninilchik Brent, > Since the Ninilchik Unit come on line two PA's, Falls Ck Oct 2003 and the GO > Oct 2004, have had venting events greater than 1 hour reported every month on > the Facility Report of Produced Gas Disposition, Form 10 -422, in block 9. > Falls CK report for May 2005 an event lasted 1 hour 12 minutes and vented 293 > mcf of gas. The reason give on the report was as follows, "vent water build > up in the production string causing reduced production. Requires unloading > the well to resume production ". This reason is about the same on every report > submitted every month from this unit. We might re- evaluate the situation for > future reports. > • Sherri Petty said you had some work scheduled to correct this problem? Do you > have a repair in the future for this problem as production is falling? Falls > Ck had a monthly volume of 465,132 mcf in Jan 2004 and now it's down to > 293,156 mcf. GO facility was 447,586 mcf in Nov 2003 and now it's 141,336 > mcf. Susan Dionne started at 194,633 mcf and now is at 522,109 mcf and has no > venting events. > Could you share what your company > eliminate this venting problem in > provide a detailed explanation of > address your response to Jim Regg, > > Steve is doing or going to do to reduce or the unit and increase production. Please work to be done in the future. Please address at the top. Thanks 7 22 2005 1 2:59 PM I. Fscihi. Numbct 13 1W000032 2. Fcctlu\ \.lnte GRASSIM OS%OLKOFF 3. field NINILCI I4. Operator OSKOLKOFF GRASSIS4 !Marathon Oil Company t5. Montle Ycar of Disousnnm I Feb -06 Disposition Valuate SICF 1 > • 20. For pndunionfrom multiple poo(s.Ast conti&ation of each pool as a percent of Total Volume. 6. Sold 1 46494 Pool Name Pool Code Percent 7 Reinjected 0 GO TYONEK UNDEFINED35 562540 100.00 S. Flared or vented 1 bourne less 0 9. Flared or vented more than I hour (see instr.) 2064 10. Pilot and Purge 0 11. Used for lease operations (specify in Remarks) 351 12. Other (See instructions) 0 Authorization >1 hr. Safety MCF 13. TOTAL S'OLLSIE (ITESIS 6-12) 148909 !.ease Use MCF 14. NGL Gas Equivalent 0 Conservation "C 7 f 064 MCF 15. Purchased gas 0 Waste MCF 16. Transferred from: 0 Commissioner Date 17. Transferred so: (Express as a negative al 0 18. Ron: rka. 1 hereby cenify that the foregoing is tore and collect to the brat of my knowledge. Signature: ..Ran dv_Jin_dra Tide Phone Accountant Note All volumes must be corrected to pressure of 14.65 psis and to a temperature of 60o F. Authority 20 AAC25.235. Printed Name Randy Jindra 918.925.70s Date. Match 16, 2006 Form 10 -422 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Date Time Total Well # or Facility P Planned nn Reason Mitigation Start Stop Duration Flare / Vent MCF 2/6/2006 1015 1215 2hrs. 523 GO -1 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 2/11/2006 1300 1500 2 hrs. 499 GO -1 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production, Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 2/20/2006 855 1055 2 hrs. 511 GO -1 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 2/25/2006 10'45 12:45 2hrs. 531 GO - 1 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent Facility Name: Grassium Oskolkoff Total: 2064 2006 February REVI - Grasium Oskolkoff - Vent Incident Report .xls Marathon 00 Company Gas Flare / Vent Incident Report February 2006 Originator. Jaci Stasak from Operators reports, MOC 4 facility NuinMn 1330000032 2 l:eJm Name (iRASSIM OSK(1LKOFP 1 Fell NINILCFIIK. GRASSIM OSKOIXOFF di ✓ 20. For production 4. Operator 'Marathon Oil Company from multiple pools. list contribution Total Volume S. Month/Year of Disnwsdion 1 Mar-06 of each pool as a percent of Disposition Volume NICE 6 Sold 152200 Pool Name Pool Code Percent 7 Rem jected 0 (i0 TYONEK UNDEFINE035 562540 100.00 S Flared or vented l hour or less 0 9 Flared or vented more than l hour ism Instr.) 3024 10. Pihn and Purge 0 1 I Used for lease operations ( specify in Remarks) 373 Authomation.'l hr: Safety MCP 12 Other (see instructions) 0 13. TOFAI. 5YILUMF. (ITEMS 6-12) 155597 Lease Use MCF 14 N('1 Gas Equivalent 1 0 Conservation 3 O y 4 r �+i MCF 15. Purchased gas 0 Waste MCI' 16 Transferred from: 0 � / /� / -%� r ` �(s Commissioner 5 e Dale 17. Transferred to: ( Express as a negative N) 0 18. Remarks. I hereby ccnifs that the foregoing is True and correct to the hest of my knowledge. Signature: Raged agebta Title- 4econntant Note All volumes must he corrected to pressure of 14.65 psia and to a temperature of 60o F. Authority 20 AAC25.235. Panted Name Randy )mare Phone 918- 925-7198 Date- April 14, ?006 Form 10 -422 s rATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION "'aft Date Time Total Planned Y/N Reason Mitigation Start Stop Duration Flare ! Vent MCF Well # or Facility 3/1/2006 1300 1500 2hrs. 505 GO -1 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 3/7/2006 1315 1515 2hrs. 493 GO -1 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production, Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 3/13/2006 1420 1620 2hrs. 487 GO -1 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production, Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 3/21/2006 830 1030 2hrs. 460 GO -1 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to ncrease production enough for well to achieve minimum unloading velocities without requiring vent. 3/24/2006 14:55 17:15 2:20hrs 550 GO - 1 Y Vent - water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 3/29/2006 14:05 16:10 2:05hrs 529 GO -1 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. Facility Name: Grassium Oskolkoff otal: 4 2006 March - Grasium Oskolkoff - Vent Incident Report xis Marathon Oil Company Gas Flare / Vent Incident Report Originator. Jaci Stasak, MOC March 2006 I. Facility Number 1330000032 2. Facility Na c I GRASSIM OSKOLKOFF 3 Field NINILCti1K. GRASSIM OSKOLKOFF 4. Operator Marathon Oil Company 5. Mundy Year of Disvusawn Anr -06 Disposition Volume MCF w" 1 20. Far production from multiple pools, list contribution of each pool as a potent of Total Volume. 6. Sold 137164 Pool Name Pool Code Percent 7. Reinjected 0 GO TYONEK UNDEFINED35 562540 100.00 8. Flared or vented I hour or less 0 9. Flared or vented more than I hour (see instr.) 2778 10. Pilot and Purge 0 11. Used for lease operations (specify in Remarks) 269 Authorization >1 hr- Safety MCF 12. Other (see instructions) 0 13. TOTAL VOLUME (ITEMS 6-12) 140211 Lean Use MCF 14. NGL Gas Equivalent 0 Conservation Z 1 U MCF 15. Purchased gas 0 Wane: MCF 16. Transferred from: 0 2 / '7 ' f¢- 6 / riet ommissiortcr Date 17. Transferred to: (Express as a negative a) 0 18. Remarks. 1 hereby certify that the foregoing is true and correct to the best of my i knowledge. Signature, Zetau `/ nseota Titter Accountant Note Ali volumes must be corrected to pressure of 14.65 psia and to a temperature of 6Oo F. Authority 20 AAC25.235. Printed Name: Randy iindra Phone: 918 - 925 -7098 Date May 17.2006 Form 10 -422 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Date Time Total Well # or Facility Planned Y/N Reason Mitigation Start Stop Duration Flare / Vent MCF 4/5/2006 1045 1300 2hr15min 540 GO -1 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 4/11/2006 13.40 15.40 2 firs 500 GO-1 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase nimu tion enough for well to achieve minimum un ve velocities without requiring vent. 4/16/2006 1145 1415 2hr3omin 562 GO -1 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production, Unloaded water from the well, hoping t0 increase production enough for well to achieve minimum unloading velocities without requiring vent. 4/23/2006 1250 1520 2hr30min 580 GO -1 Y Vent - water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 4/30/2006 945 1215 2hr30min 596 GO -1 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. Facility Name: Grassium Oskolkoff Total: 2778 2006 April - Grasium Oskolkoff - Vent Incident Report.xls Marathon Oil Company Gas Flare / Vent Incident Report Originator: Jaci Stasak, MOC April 2006 1. Facility Number 1330000032 2. Facility Name GRASSIM OSKOLKOFF 3. Field NINILr C GRASSIM OSKOLKOFF .Operator Marathon Oil Company S. Month/Year of Disposition May-06 Disposition Volume MCF - 20. For production from multiple pools. list contribution of each pool as a percent of Total Volume. 6. Sold 295079 Pool Name Pool Code Percent 7. Reinjected 0 GO TYONEK UNDEFINED3S 562540 100.00 8. Flared or vented 1 hour or less 0 9. Flared or vented more than I hour (see Instr.) 658 10. Pilot and Purge 0 11 Used for Rase operations (specify in Remarks) 781 Authorization >I hr. Safety MCF 12. Other (see instructions) 0 13. TOTAL VOLUME (ITEMS 6-12) 296518 Lase Use MCF 14. NGL Gas Equivalent 0 Conservation 6S4e, MCF 15. Purchased gas 0 Waste: MCF 16. Transferred from: 0 0 Commissioner Date 1 7. Transferred to: (Express as a negative #) 0 18. Remarks: 1 hereby certify that the foregoing is true and correct to the best of my knowledge. n, Signature. Z `/: a ut Title: Accountant Note Al! volumes must be corrected to pressure of 14.65 psia and to a temperature of 60o F. Authority 20 AAC25.235. Printed Name: Randy Jindra Phone, 918- 925 -7098 Date June 15. 2006 Form 10422 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Date Time Total Well # or Facility Planned Y/N Reason Mitigation Start Stop Duration Flare / Vent MCF 5/8/2006 715 1000 2hr45min 658 GO -1 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. Facility Name: Grassium Oskolkoff Total: 658 2006 May - Grasium Oskolkoff - Vent Incident Report.xls Marathon Oil Company Gas Flare / Vent Incident Report Originator. Jaci Stasak, MOC May 2006 I Facility Number 1330011(1032 . m dame ' faeil GRASSIM OSKOLKOFF 3. Field NINILCHIK. GRASSIM OSKOLKOFF Operator Marathon Oil Company 5. Month/Year of Disposition I Jun-06 Disposition Volume MCF 20. For production from multiple pools. hat contribution of each pool as a percent of Total Volume. 6. Sold 661266 Pool Name Pool Code Percent 7. Reinjected 0 GOTYONEK UNDEFINED35 562540 100.00 8. Flared or vented 1 hour or less 244 9 Flared or vented MOM than I hour (see irtstr.l 0 10. Pilot and Purge 0 11. Uscd for lease operations (specify in Remarks) 1253 Authorization >1 hr; Safety MCF 12. Other (see instructions) 0 13. TOT I. VOLUME (ITEMS 6 662768 Lease Use MCF 14. NGL Gas Equivalent 0 Conservation MCF 15. Purchased gas 0 Waste MCF 16. Transferred from: 0 Commissioner Date 17. Transferred to: (Express as a negative #) 0 18. Remarks: 1 hereby certify that the foregoing is mac and corral to the best of my knowledge. Signature: Rada clatoOta. Title Plume .Accountant Note All volumes must be corrected to pressure or 14.65 psia and to a temperature of 60o F. Authority 20 AAC25.235. Printed Namr Randy Jindra 9I R- 925 -7098 Date: July 19, 2006 Form 10422 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION I. Facility Number 1330000032 . 2 Facility Natne GRASSIhf OSKOLKOFF 3. Fid, NIN II II(.GRASSIM OSKOLKOEF 4. Operator Marathon Oil Company S. Month Yeas ul'DlaWSitiuu I lul-06 Disposition Volume MU: 2U. For production from multiple pools, tut contribution of tacit pug/ us a peroau of Total Vuhtme. 6 Sold 697574 --, ' "-. Pool Name Pool Code Percent 7 Reinjected 0 GO TYONEK UNDEFINED35 562540 100.00 8 Flan s/ or vented 1 pourer leas 258 9 Flan' or vented more than 1 hour (see instr.) 740 10, Pilo* and Purge 0 11. Used for (ease operations (specify in Remarks) 927 Authorization >1 hr. Safety MCF 12 Other (see instructions) 0 13. 1'(1TAI. ■'OC(1h1E (ITEMS 6-12■ 699499 laase Use MCF 14 NGI,Ga, Equivalent 0 Conservation � 4 MCF 15 Purchased gas U Wasik. MCF 16. Transferred ed Mow 0 Con mssmner Date 17. Transferred to: (Express as a negative N) 0 18 Reiwrkt.. I hashy cauty that Use tutiguulg is true and cairn:I to ibe best of my knowledge. Sigmmre Rands Owed Q Tilly Accountant Note All volumes must be corrected to pressure of 14.65 psis and to a temperature of 60o F. Authority 20 .4.4025.235. Primed Nana. Randy lindra Phone 918-925-7098 Dale: August 17, 2006 Form 10 -422 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED CAS DISPOSITION Date Time Total Well # or Facility Planned Y/N Reason Mitigation Start Stop Duration Flare / Vent MCF 7/14/2006 7/21/2006 1330 1500 1 hr30min 279 Y Vent - water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 1057 1200 1hr3min 222 GO -3 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 7/29/2006 1515 1645 lhr3Omin 239 GO -3 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. Facility Name: Grassium Oskolkoff Total: 740 2006 July - Grasium Oskolkoff - Vent Incident Report.xls Marathon Oil Company Gas Flare / Vent Incident Report Originator: Jaci Stasak, MOC July 2006 [Fwd: Ninilchik Gas Dispositions] Subject: [Fwd: Ninilchik Gas Dispositions] From: James Regg <jim_regg @admin.state.ak.us> Date: Wed, 02 Aug 2006 13:59:04 -0800 To: Steve McMains < steve _mcmains@admin.state.ak.us>, Jody Colombie < jody _colombie@admin.state.ak.us> Please file with gas disposition reports (and in field file ?) Jim Original Message Subject: Ninilchik Gas Dispositions Date: Fri, 28 Jul 2006 15:54:30 -0500 From: Laughlin, Gary A. cgalaughlina'marathonoil.com> To: jin reggaadmin.state.ak.us CC: Laughlin, Gary A. cgalaughlin Walsh, Ken ckdwalshcvmarathonoil.com >, Ibele, Lyndon <lcibelesimarathoncil.com> Jim, Earlier this year Ken Walsh provided you with a summary of the venting situation at the Ninilchik Unit. i would like to provide you with an update of Marathon's recent work efforts and future plans to reduce venting within the unit. Falls Creek Pad Compression was put into service on 11/15/05 to essentially eliminate gas venting to maintain production at this pad. Grassim Oskolkoff (GO) Pad As Ken advised previously, our intent had been to add compression at the GO Pad in late 2006. However, a couple of changes in well performance have reduced venting dramatically and delayed the need for compression until 2007. in May, perforations were added in GO 41 and increased the well's rate and eliminate the need to vent to unload the well. The GO it2 well is no longer producing. Marathon is evaluating the options to shut off the water and re- establish production. Paxton Pad water loading issues began 10/05 requiring periodic venting to unload water. Future plans are to install a velocity string on Paxton #1 in 2007. Prolonged deliveries of required equipment prevent work completion this year. Should you have any questions or comments, please advise. Thanks Gary Jim Regg <jim regg(itadmin.state.ak.us> Petroleum Engineer AOGCC I of 82 :20063:25 PM I Facility Number 1330000032 1. Fae day Name URASSIM OSKOLKOFF 3. Field NIN ILCNIK. GRASSIM OSKOLKOFF 4. Opeutor Marathon Oil Company S. Munlh/Vear of Disposition I Aue-06 Disposition Volume MCF 20. For production film multiple pools. list contribution of each pool as a percent of Tom/ Volume. 6. Sold 734073 ✓ 1' Pool Name Pool Code Percent 7 Reinjected 0 GO TYONEK UNDEFINED3S 562540 100.00 8. Flared or venal 1 hour or less 147 9 Flared or vented more than 1 hour (see instr.) 898 10 Pilot and Purge 0 11. Used for least operations (specify in Remarks) 571 Authorization >I 1u': Safely MCF 12. Other (see msuwaions) 0 13. VOCAL VOLUME( ITEh1S 6-12) 735689 Lease Use 1 MCF 14. NGL Gas Equivalent 0 Conservation ' � O 17J MCF 15. Purchased Bas 0 Wa MCF 16. Transferred tiom: 0 // ` O / / j� / /Q ' -/D/ ®o /./ m r ' / / (i J Dale 17. Transferred to: ( (Express as a ncga0vt p) 0 18. Remarks. I hereby cc1111y that the foregoing is hue and comxl to the bat of my knowledge. Signature. Ranrdu 4 Ut5ta Title: Accountant Note All volumes must be corrected to pressure of 14.65 psis and to a temperature oJ'60o F. Authority 20 AAC2S.235. Printed Name Randy Jindra Phone: 918- 925 -7098 Date September 19, 2006 Form 10 -422 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Date Time Total Well # or Facility Planned Planned Reason Mitigation Start Stop Duration Flare / Vent MCF 8/4/2006 1145 1320 1 hr35min 208 GO -3 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 8/14/2006 1400 1515 1 hrl5min 200 GO -3 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 8/22/2006 940 1110 1 hr30min 264 GO -3 Vent -water build up in the production string causing reduced production. Requires unloading of the web to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 8/27/2006 1300 1430 1 hr30min 226 GO -3 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for web to achieve minimum unloading velocities without requiring vent. Facility Name: Grassium Oskolkoff Total: 898 2006 August - Grasium Oskolkoff - Vent Incident Report.xls Marathon Oil Company Gas Flare I Vent Incident Report Originator: Jaci Stasak, MOC August 2006 1. Facility Number 1330000032 2 Facility Namc GRASSIM OSKOLKOFF 3. Field NINIL K. GRASSIM OSKOLKOFF 4. Operator Mandan Oil Company 5. Month/ Yrrr of Disposition l Sim-06 Disposition Volume MCF i 20. For production from multiple Awls. list contribution of rock pool as a perccnt of Total Volume. 6. Sold 612663 Pool Name Pool Code Percent 7 Reinjected 0 GOTYONEK UNDEFINED35 562540 100.00 8 Flared or vented 1 hour or less 329 9 Flared or vented moor than I hour (see instr.) 765 10. Pilot and Purge 0 11. Used for lease operations (specify in Remarks) 359 12. Other (see instructions) 0 Authonration >1 hr: Safety MCF 13. TOTAL 3'Olt NIE (ITEMS 6-12) 614116 Lease Use MCF 14. NGL Gas Equivalent 0 Conservation 74 S MCF 15. Purchased gas 0 Waste MCF 16. Transferred (mm: 0 /J / 7,e (/f /y a //_ /J ' O6 Date 17. Transferred to: (Express as a negative al 0 C mrssroner 18. Remarks: 1 hereby certify that the foregoing is true and correct to the but of my knowledge. /1 � Signature: Rand& 4acC 5 74 Titk Plan- Accountant Note All volumes must be corrected to pressure 9114.65 psia and to a temperature of 60o F. Authority 20 .4.4025.235. Panted Name Randy finds 91P-925-709k Dare October 17. 2006 Fonn 10 -422 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Date Time Total Well # or Facility Planned Y/N Reason Mitigation Start Stop Duration Flare / Vent MCF 9/2/2006 1645 1820 1 hr35min 209 GO -3 Y Vent - water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 9/13/2006 1030 1135 1hr5min 168 GO -3 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 9/23/2006 1230 1350 1 h2omin 196 GO -3 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 9/30/2006 1100 1225 1 h25min 192 GO -3 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. Facility Name: Grassium Oskolkoff Total: 765 2006 Sept - Grasium Oskolkoff - Vent Incident Reportxls Marathon Oil Company Gas Flare / Vent Incident Report September 2006 Originator. Jaci Stasak, MOC 1. Facility Number I2. 1330000032 Facility GRASSIM OSKOLKOFF 3. Field NINILCHIK. GRASSIM OSKOLKOFF I4 Operator I5. (Marathon Oil Company Month/Year of Disposition Oct-06 Disposition Volume MCF 20. For production from multiple pools, fist contribution ofeach pool as a percent of Total Volume. 6. Said 541156 '*/ Pool Name Pool Code Percent GO TYONEK UNDEFINED3S 562540 100.00 7. Reinjected 0 8. Flared or vented I hour or less 0 9. Flared or vented more than I hour (see instr.) 872 I 10. Pilot and Purge 0 1 I. Used for lease operations (specify in Remarks) 360 Authorization >I hr: Safety MCF 12. Other (see instructions) 0 13. TOTAL VOLUME (ITEMS 6-12) 542388 Lease Use MCF 14. NGL Gas Equivalent 0 Conservation 9 O MCI' I5. Purchased gas 0 Waste, MCF M n // /2. /5-o aii 16. / Commissioner Date Transferred from: 0 17. Transferred to: (Express as a negative #) 0 18. Remarks: 1 hereby certify that the foregoing is the and correct to the best of my knowledge. Signaturr Rang& eateota Tide: Accountant Note All volumes must be corrected to pressure of 14.65 psis and to a temperature of 60o F. Authority 20 AAC25.235. Printed Name, Randy Jindra Phone: 918- 925 -7098 Date: November 16, 2006 Form 10-422 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Date Time Total Well # or Facility Planned Y/N Reason Mitigation Start Stop Duration Flare 1 Vent MCF 10/6/2006 1628 1750 1 hr22min 196 GO -3 Y Vent -water build up in the production string causing reduced production. Requires unloading of the web to resume production. Unloaded water from the well, hoping to increase production enough for web to achieve minimum unloading velocities without requiring vent. 10/10/2006 1106 1226 1 hr20min 178 GO -3 Y Vent - water build up in the production string causing reduced production. Requires unloading of the web to resume production. Unloaded water from the web, hoping to increase production enough for web to achieve minimum unloading velocities without requiring vent. 10/20/2006 1327 1440 1 hrl3min 170 GO -3 Y Vent -water build up in the production string causing reduced production. Requires unloading of the web to resume production. Unloaded water from the web, hoping to increase production enough for web to achieve minimum unloading velocities without requiring vent. 10/27/2006 1100 1221 1 hr21 min 328 GO -3 Y Vent -water build up in the production string causing reduced production. Requires unloading of the web to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. Facility Name: Grassium Oskolkoff ota l: 2006 Oct Grasium Oskulkofr- Vent Incident Remittals Marathon Oil Company Gas Flare / Vent Incident Report Originator: Jaci Stasak, MOC October 2008 1. Facility Number 1330000032 2. Facility Name GRASSIM OSKOLKOFF 3. Field NINILCHIK GRASSIM OSKOLKOFF Operator "Marathon Oil Company S. Month/Year of Disposition I Nov-06 Disposition Volume MCF 20. Far production from multiple pools, list contribution of each pool as a percent of Total Volume. 6. Sold 523103 Pool Name Pool Code Percent 7. Reinjected 0 GO TYONEK UNDEFINED35 562540 100.00 L 8. Flared or vented 1 hour or less 0 9. Flared (sce instr.) 1262 or vented more than 1 hour 10. Pilot and Purge 0 11. Used for lease operations (specify in Remarks) 344 Authorization >I hr. Safety MCF 12. Other (see instructions) 0 13. TOTAL VOLUME (ITEMS 6-12) 524709 Lease Use MCF 14. NGL Gas Equivalent 0 Conservation I e b .Z Z / MCF 15. Purchased gas 0 Waste. MCF 16. Transferted front 0 , �' Commissioner AV/ -- 0 7 Date 17. Transferred to: (Express as a negative e) 0 18. Remarks: I hereby certify that the foregoing is true and correct to the best of my knowledge. ^.�,-- Signature! Ra& eagg tiR Title- Accountant Note All volumes must be corrected to pressure of 14.65 psis and to a temperature of 60o F. Authority 20 AAC25.235. Printed Name Randy Jindra Phone: 918-925-7098 Dater December 19, 2006 Form 10-422 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Date Time Total Planned Y/N Reason Mitigation Start Stop Duration Flare / Vent MCF Well # or Facility 11/3/2006 1522 1638 1 hrl6min 189 GO -3 Y Vent -water build up in the prcduction string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 11/9/2006 945 1115 1 hr30min 230 GO -3 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 11/16/2006 1015 1134 1 hrl9min 186 GO - 3 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production, Unloaded water from the welt, hoping to ncrease production enough for well to achieve minimum unloading velocities without requiring vent. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 11/21/2006 1255 1440 1hr45min 241 GO -3 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. 11/25/2006 1250 1420 1 hr30min 208 GO-3 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 11/29/2006 1315 1445 1hr30min 208 GO-3 Y _ Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. Facility Name: Grassium Oskolkoff Total: 2006 Nov - Grasium Oskolkoff - Vent Incident Report..ls Marathon Oil Company Gas Flare / Vent Incident Report November 2006 Originator. Jaci Stasak, MOC 1. Facility Number 1330000032 I �2 Facility Name GRASSIM OSKOLKOFF 3. Field NINILCHIX. GRASSIM OSKOU(OFF Operator [ Oil Company S. Month/Year of Disposition Dec -06 Disposition Volume MCI 20. For production from multiple pooh. list contribution of each pool as a percent of Total Volume. 6. Sold 487733 `i v ✓ Pool Name Pool Code Percent GO TYONEK UNDEFIN D35 562540 100.00 7. Reinjected 0 S. Flared of vented 1 hour or bas 0 9. Flared or vented more than 1 hour (see instr.) 1635 - 10. Pilot and Purge 0 11. Used for lease operations (epaeify in Ranarb) 305 Authorization >1 hr. Safety MCF 12. Other (see instructions) 0 13. TOTAL VOLUME (ITEMS 6-12) 485295 Lase Use MCI 14. NGL Gass Equivalent 0 Conservation 2! I t �J7 MCI 15. Putehssed gas 0 Waste: MCF -S fl ale �� ' / Q may' ' , Co toner Date 16. Transferred from: 0 17. Transferred to: (Express as a negative a) 0 18. Remarks: 1 hereby certify that the foregoing is true and correct to the best of my Imoveledge. Signsture: R Ocieeo[a Title: Accountant Note All volumes must be corrected to pressure of 14.65 psis and to a temperature of 60o F. Authority 20 AAC23.235. Printed Name. Randy Jindn Phone•. 918. 925 -7098 Date'. January 23, 2007 Form 10 -422 STATE OF ALASKA ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Date Time Total Well # or Facility Planned YIN Reason Mitigation Start Stop Duration Flare / Vent MCF 12/3/2006 850 1030 1 hr4omin 209 GO -3 Y Vent - water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 12/10/2006 1145 1315 1 hr30min 257 GO - 3 Y Vent -water build up in the production string causing reduced production. Requires unloading of the web to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 12/15/2006 1330 1600 2hr30min 315 GO -3 Y Vent -water build up in the production string causing reduced production. Requires unloading of the web to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 12/20/2006 1245 1545 3hrs 366 GO - 3 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. 12/26/2006 1315 1530 2hr15min 216 GO -3 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the well, hoping to increase production enough for web to achieve minimum unloading velocities without requiring vent. 12/29/2006 730 930 2hrs. 272 GO -3 Y Vent -water build up in the production string causing reduced production. Requires unloading of the well to resume production. Unloaded water from the web, hoping to increase production enough for well to achieve minimum unloading velocities without requiring vent. Facility Name: Grassium Oskolkoff Total: 1635 2006 Dec - Grasium Oskolkoff - Vent Incident Report. xis Marathon Oil Company Gas Flare / Vent Incident Report December 2006 Originator: Jaci Stasak, MOC