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Home My WebLink AboutNorthstar / BP Exploration STATE OF ALASKA AOGCC GAS DISPOSITION FILES YEAR: 2003 FACILITY: Northstar OPERATOR: BP EXPLORATION (ALASKA) INC · ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Facility Northstar Field(s) Northstar Disposition Volume MCF* 1. Sold 0 2. Reinjected 7,657,152 3. Flared or vented less than 1 hour 1,557 4. Flared or vented greater than 1 hour 15,232 ./ (Supplemental report requlred--See 20 AAC 25.235) 5. Pilot and Purge 2,759 6. Used for lease operations Assist 0 Fuel (at island) 432,742 Fuel (Caribou Crossing) 21,737 Fuel IPS#1 htr) 7690 7. Other 0 TOTAL items 1-7 8,138,869 8. NGl gas equivalent produced 0 9. Purchased gas 2,782,833 PURCHASED GAS USED FOR FUEL PilOT PURGE AND INJECTION 10. Transferred from: 11. Transferred to: I hereby certify that th foregoing is true and correct to the best of my knowledge. Signature QJ} Title /1.1k12., íA)o. Date "2/17/0> Form 1 0-422 Rev. 4/95 MonthNear of Disposition Jan-03 *Indicate contribution of each pool to total. Pool Name llioae Percent 1. Safety I S:Z,3VMCF ~J3>f!- 2. lease MCF 3. Conserv. Purposes MCF ÆéJ; 4/L- 1/ 6/VJ Commissioner Date Note: All volumes must be corrected to pressure of 14.65 psia and to a temperature of 60 degrees F. Report due by the 20th of the month folowìng the month of disposition. Authority 20 AAC 25.235. · Gas Flaring Incident Report BP Northstar Jan-2003 Volume flared less than 1 hour: Volume flared greater than 1 hour: 1557 15232 Run Date: 14-Feb-03 Total Flared Volume: 16,789 Jan-31-2003 Start DatelTime End DatelTime MCF Volume Incident/Cause Description Remediation Taken Event Type Event Name Total: 1447 1/14/035:22 PM 1/14/03 11 :46 PM 1793 HP A recycle valve opened investigation of HPA controls Equipment Outage N1.FLARE.EVENT.LP Backed out import gas until able 1/16/038:04 PM 1/16/03 10:32 PM 9 NS-27 shut in to open up NS-27 Equipment Outage N1.FLARE.EVENT.HP1 1/17/036:08 AM 1/17/03 10:04 AM 52 under investigation. Unknown N1.FLARE.EVENT.LP 1/17/0310:16 AM 1/17/037:38 PM 150 under investigation. Unknown N1.FLARE.EVENT.LP 1/17/038:00 PM 1/21/03 3:38 AM 1746 under investigation. Unknown N1.FLARE.EVENT.LP 1/21/034:18 AM 1/22/03 3:26 PM 861 under investigation. Unknown N1.FLARE.EVENT.LP pop well NS 18, cold oil causing gas Lower pressure in IP & LP sep. 1/24/035:14 AM 1/24/0312:52 PM 542 breakout in crude stabilizer. and increase NGL stab. temp. Upset N1.FLARE.EVENT.LP pop well NS 18, cold oil causing gas Lower pressure in IP & LP sep. 1/24/03 1 :04 PM 1/24/03 6:44 PM 176 breakout in crude stabilizer. and increase NGL stab. temp. Upset N1.FLARE.EVENT.LP Rig move causing minor upset. Flaring 1/26/033:14 PM 1/27/031:30 AM 139 off of the crude stabilizer Return to stable ops Upset N1.FLARE.EVENT.LP Rig move causing minor upset. Flaring 1/27/031 :34 AM 1/27/0312:20 PM 149 off of the crude stabilizer Return to stable ops Upset N1.FLARE.EVENT.LP Crude stabilizer PSHH caused plant Lowered Crude stabilizer 1/29/03 1 :59 AM 1/29/03 4: 14 AM 393 OSD pressure & restarted plant Upset N1.FLARE.EVENT.HP1 Crude stabilizer PSHH caused plant Lowered Crude stabilizer 1/29/03 2:07 AM 1/29/03 3:52 AM 209 OSD pressure & restarted plant Upset N1.FLARE.EVENT.LP controlled shutdown to minimize 1/30/036:51 AM 1/31/034:17 AM 466 HPB vented shut down for Repair work flaring Equipment Outage N1.FLARE.EVENT.HP1 1/31/035:07 AM 1/31/036:15 AM 17 bleeding down test header. N/A plant N1.FLARE.EVENT.HP1 1/31/037:34 AM 1/31/039:08 AM 1 bleeding down test header. N/A plant N1.FLARE.EVENT.HP1 1/31/039:34 AM 1/31/0312:18 PM 45 bleeding down test header. N/A plant N1.FLARE.EVENT.HP1 1/31/037:39 PM 2/1/03 12:05 AM 296 HP B shut down for maintenance Repaired check valve Equipment Outage N1.FLARE.EVENT.HP1 1/12/03 4:35 AM 1/12/035:44 AM -+ FI-4241 flow meter frozen up. Thawed out sensing line. Meter Problem N1.FLARE.EVENT.HP1 Page 1 of 3 Gas Flaring Incident Report BP Northstar Run Date: 14-Feb-03 Jan-31-2003 MCF Start DatelTime End DatelTime Volume Incident/Cause Description Remediation Taken Event Type Event Name 1/16/03 12:42 AM 1/16/03 4:00 AM S- F 1-4241 flow meter frozen up. Thawed out sensing line. Meter Problem N1.FLARE.EVENT.HP1 1/16/03 4:30 AM 1/16/035:55 AM ~ FI-4241 flow meter frozen up. Thawed out sensing line. Meter Problem N1.FLARE.EVENT.HP1 1/16/03 6:20 AM 1/16/037:26 AM ~ FI-4241 flow meter frozen up. Thawed out sensing line. Meter Problem N1.FLARE.EVENT.HP1 FI-4241 flow meter frozen up. Bogus Thawed out sensing line. 1/17/032:26 AM 1/20/03 6:28 PM +iá- value. Calibrated meter. Meter Problem N1.FLARE.EVENT.HP1 FI-4241 flow meter frozen up. Bogus Thawed out sensing line. 1/20/03 6:35 PM 1/21/035:58 AM ~ value. Checked calibration Meter Problem N1.FLARE.EVENT.HP1 FI-4241 flow meter frozen up. Bogus Thawed out sensing line. 1/21/036:04 AM 1/22/038:52 AM 4á- value. Checked calibration Meter Problem N1.FLARE.EVENT.HP1 FI-4241 flow meter frozen up. Bogus Thawed out sensing line. 1/22/03 8:58 AM 1/24/03 10:27 AM ~ value. Checked calibration Meter Problem N1.FLARE.EVENT.HP1 FI-4241 flow meter frozen up. Bogus Thawed out sensing line. 1/24/03 11 :53 AM 1/24/03 1:14 PM ~ value. Checked calibration Meter Problem N1.FLARE.EVENT.HP1 FI-4241 flow meter frozen up. Bogus Thawed out sensing line. 1/24/032:13 PM 1/24/034:08 PM +0- value. Checked calibration Meter Problem N 1.FLARE.EVENT.HP1 FI-4241 flow meter frozen up. Bogus Checking vendor for 0 drop-out 1/26/036:29 AM 1/26/038:10 AM ~ value. value Meter Problem N1.FLARE.EVENT.HP1 FI-4241 flow meter frozen up. Bogus Checking vendor for 0 drop-out 1/26/038:38 AM 1/26/034:31 PM ~ value. value Meter Problem N1.FLARE.EVENT.HP1 FI-4241 flow meter frozen up. Bogus Checking vendor for 0 drop-out 1/26/034:47 PM 1/27/036:29 AM ~ value. value Meter Problem N1.FLARE.EVENT.HP1 Calibration issue on low end flare zero 1/27/037:14 AM 1/27/03 11 :30 AM :¡. drop out Tech working issue Meter Problem N1.FLARE.EVENT.HP1 Calibration issue on low end flare zero 1/27/03 12:12 PM 1/27/03 1 :23 PM ~ drop out Tech working issue Meter Problem N1.FLARE.EVENT.HP1 Calibration issue on low end flare zero 1/27/03 1 :37 PM 1/28/03 1 :54 PM i4 drop out Tech working issue Meter Problem N1.FLARE.EVENT.HP1 Event Type = Meter Problem not Total: 7044 included in total ijijij~j~l¡il~i::i_ljill~j_hi;~jiil¡¡j~i:j~:::II~i¡li:iIj:ii.~il¡I~~iijl::~~~:~~~ijij~jijijijijij~jij~j::::,::~:::j:j~j~j~j~jij~jijijijijijijijijijijijij~j~jij~ji jijij~j~jij~jij:j:j::::::~:::::::~ji:i:~:::~:::::::::::::::::i~:~~j~j~j~j~j~j~j~jij~j~j~:~:¡:::¡:¡:::¡~:~:j~~~~:::::::jijijijijiji jijijijij~j~j~jij~j~j~j~j~j~j~j~j~j~jij:j::i::jjjijijijijijijijijijij~jijijiji~i:::¡:¡:i:i:::~j~jij~j~j~ jij~jijij~j~j~j~j~j~:~:~:ij~jijijijijijijijijij¡:j:ijijijijijij~j~jij~j~j~j~jij~j~j~j~jij:j~jiji:~j~:~ Total: 110 1/2/2003 3:34 1/2/20033:36 0 depressure test sep for well work Equipment Outage N1.FLARE.EVENT.HP1 1/2/20036:33 1/2/2003 7: 19 30 depressured test sep for ns 31 bleed Equipment Outage N1.FLARE.EVENT.HP1 1/4/2003 13:23 1/4/2003 13:45 26 test sep depressure for well tests Equipment Outage N1.FLARE.EVENT.HP1 Page 2 of 3 <II . Gas Flaring Incident Report BP Northstar Run Date: 14-Feb-03 Jan-31-2003 MCF Start DatelTime End DatelTime Volume Incident/Cause Description Remediation Taken Event Type Event Name 1/6/2003 12:07 1/6/2003 12:13 10 a solar start Solar A Start Gas N1.FLARE.EVENT.LP 1/6/2003 13:32 1/6/2003 13:39 9 a solar start Solar A Start Gas N1.FLARE.EVENT.LP Start of plant shutdown for 1/8/2003 1 :21 1/8/2003 1:26 2 maintenance activities Equipment Outage N1.FLARE.EVENT.HP1 1/8/2003 3:17 1/8/2003 3:20 1 plant shutdown Equipment Outage N1.FLARE.EVENT.LP 1/8/2003 3:22 1/8/2003 3:30 3 plant shutdown Equipment Outage N1.FLARE.EVENT.LP 1/8/2003 6:27 1/8/2003 6:30 3 plant shutdown Equipment Outage N1.FLARE.EVENT.LP 1/8/2003 6:52 1/8/2003 7:11 7 plant shutdown Equipment Outage N1.FLARE.EVENT.HP1 1/8/2003 7:18 1/8/2003 7:54 4 plant shutdown Equipment Outage N1.FLARE.EVENT.HP1 1/8/2003 8:11 1/8/2003 8:13 0 plant shutdown Equipment Outage N1.FLARE.EVENT.HP1 1/8/2003 8:15 1/8/2003 8:18 0 plant shutdown Equipment Outage N1.FLARE.EVENT.HP1 1/8/2003 8:35 1/8/2003 8:37 0 plant shutdown Equipment Outage N1.FLARE.EVENT.HP1 1/8/2003 13:43 1/8/2003 13:58 0 plant shutdown Equipment Outage N1.FLARE.EVENT.HP1 1/8/2003 15:03 1/8/2003 15:11 5 plant shutdown Equipment Outage N1.FLARE.EVENT.HP1 hp a shutdown and vent for scheduled 1/11/2003 17:17 1/11/2003 17:23 10 repair Equipment Outage N1.FLARE.EVENT.LP ~:i~:j:j:i¡~II~jIRij~ili~ì¡~~:¡~:j:~~I:~¡i¡:I¡ijiiì¡¡I:jijiiji~j~I.I:::~:j:~~j:::j::::~::::::j:j~j~j~j~j:j~j~j~j~j~j~j~j~j~j~j~j~j~j~j:j~j:j:::::¡:~:::i::i:::::::j:j:j~j~j~j~j~j~j~j~j~j~j~j~::j~:~j:i:j~::::::j:j:::¡::: :~:.::j::::~j::~::j~j~j~j~j~j~j~j~j~j~j~j~j~j~j~j~j~j~:~j~:~j~::¡j:::::::i::::::¡:::::::::j:j~j~j~j~j~j~j~j~j~j~j~j~j~j~j~j~j~j~j~ ::j:~::::jj:j~j:j:::¡:j~:~j~j:j~j~j~j~j~j~j~j~j~j~j~j~j~i~j:i~::¡:¡:¡:¡:¡:¡:¡:¡:¡:¡:::¡:¡:::j~j~:~j~::j: ::j:j:::::j~j~j~j~j~j~j~j~j:::¡:::j~i~j~i~¡:¡j¡:¡j¡:jj¡:j~j~j~j~j~j~:~j:j:j:::::j~j~j:j~j~j~j~j~j~j~j~ Total: 8188 1/14/2003 17:11 1/15/03 8:10 PM 5024 Bringing production back online Plant Startup N1.FLARE.EVENT.HP1 1/8/2003 9:15 1/8/03 1:36 PM 165 plant shutdown Equipment Outage N1.FLARE.EVENT.HP1 test and hp header depressure for well 1/10/2003 11:52 1/1 0/03 2:30 PM 300 tie in Equipment Outage N1.FLARE.EVENT.HP1 1/11/2003 17:14 1/11/03 7:26 PM 387 HP a shutdown and vented Equipment Outage N1.FLARE.EVENT.HP1 flare flow meter stuck at 20 Depressure compressor headers for mmscfd actual rate was 5 1/11/2003 20:00 1/1 1/03 10:45 PM 2312 scheduled repairs minutes at a average 5 mmscfd Equipment Outage N1.FLARE.EVENT.HP1 Page 3 of 3 ... - ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Facility Northstar Field(s) Northstar Disposition Volume MCF* 1. Sold 0 2. Reinjected 7,953,852 3. Flared or vented less than 1 hour 2,085 4. Flared or vented greater than 1 hour 2,479 (Supplemental report requlred--See 20 AAC 25.235) 5. Pilot and Purge 2,492 6. Used for lease operations Assist 0 Fuel (at island) 378,990 Fuel (Caribou Crossing) 19,891 Fuel IPS#1 htr) 8602 7. Other 0 TOTAL items 1-7 8,368,391 8. NGL gas equivalent produced 0 9. Purchased gas 2,200,767 PURCHASED GAS USED FOR FUEL PILOT PURGE AND INJECTION 10. Transferred from: 11. Transferred to: Signature Title (l10(L, í Ax. Date 3/1"1/03 Form 1 0-422 Rev. 4/95 MonthNear of Disposition Feb-03 *Indicate contribution of each pool to total. Pool Name voae Percent 1 . Safety MCF 2. Lease MCF 3. Conserv. Purposes MCF c~on~~at;/ /103 Note: All volumes must be corrected to pressure of 14.65 psia and to a temperature of 60 degrees F. Report due by the 20th of the month folowing the month of disposition. Authority 20 AAC 25.235. Start DatelTlme End DateITlme Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare Planned LessThan1 Hour 2/14/03 4:18 PM 2/14/03 4:36 PM 18 40 Bled down flow line Equipment Outage HPI 2/28/03 1:10 AM 2/28/03 1:23 AM 13 8 Lowered test seperator pressure to bring on NS-06 Commissioning HP1 2/28/03 1 :48 AM 2/28/03 2:14 AM 26 25 Lowered test seperator pressure to bring on NS-06 Commissioning HPI 2/28/03 2:31 AM 2/28/03 2:37 AM 6 3 Lowered test seperator pressure to bring on NS-06 Commissioning HPI 2/28/03 6:44 AM 2/28/03 6:47 AM 3 Lowered test separator pressure to bring on NS-06 Commissioning HPI 2/28/03 6:59 AM 2/28/03 7:02 AM 3 Lowered test seperator pressure to bring on NS-06 Commissioning HP1 2/28/03 1 :03 PM 2/28/03 1: 12 PM 9 15 Lowered test seperator pressure to bring on NS-06 Commissioning HPI 2/28/03 4:48 PM 2/28/03 4:52 PM 4 2 Lowered test seperator pressure to bring on NS·06 Commissioning HPI 2/28/03 4:55 PM 2/28/03 4:58 PM 3 Lowered test seperator pressure to bring on NS-06 Commissioning HP1 2/28/03 5:00 PM 2/28/03 5:04 PM 4 2 Lowered test seperator pressure to bring on NS-06 Commissioning HP1 2/28/03 5:41 PM 2/28/03 5:52 PM 11 7 Lowered test seperator pressure to bring on NS-06 Commissioning HP1 2/28/03 6: 12 PM 2/28/03 6: 15 PM 3 Lowered test separator pressure to bring on NS-06 Commissioning HP1 2/28/03 6:45 PM 2/28/03 6:53 PM 8 10 Lowered test seperator pressure to bring on NS-06 Commissioning HP1 2/28/03 7:05 PM 2/28/03 7:19 PM 14 14 Lowered test seperator pressure to bring on NS-06 Commissioning HP1 2/28/03 8:09 PM 2/28/03 8:12 PM 3 Lowered test seperator pressure to bring on NS-06 Commissioning HP1 2/28/03 9:58 PM 2/28/03 10:11 PM 13 20 Lowered test seperator pressure to bring on NS-06 Commissioning HP1 Group Total: ~ 151 í<-'~/" ~&J ~~f I \ \ N5-~ , '7'\ie,~k \~,~ ~ ~> ( ) P\lt) (f~ 4 ~I\lb?> 1 of 2 ( k ... ~ S-<P fA. sl"'-qlë, ØJe....:t - I\~ ÛI\~l~ · ~- Start Date/Tlme End Date/Tlme Minutes Unplanned LessThan1 Hour Group Total: Unplanned GreaterThan1 Hour 214103 10:02 PM 214103 11:10 PM 214103 10:26 PM 214/03 11 :29 PM 217/03 3:37 AM 217/03 6:06 AM 217/03 7:52 AM 217/03 4:59 PM 217/03 2:01 PM 217/03 3:41 PM 217/03 6:25 PM 219/03 1 :06 AM 2122103 3:31 AM 2122103 6:49 AM Group Total: Report Total: MCF Inçldent/Cause Desçrlption Remediation Taken Flare Event Type 1,934 68 544 Crude stabilizer Cut rates Plant Integrity LP 63 355 LP çomp shut down> PSV 2050 failed Put PSE 2050 in servlçe & restarted Equipment Outage HPI 149 35 LP Comp 2nd stage low pressure switçh failure repaired swltçh Equipment Outage LP 547 593 LP Comp 2nd stage low pressure swltçh failure repaired swltçh Equipment Outage LP 100 372 LP Comp 2nd stage low pressure swltçh failure repaired swltçh Equipment Outage HPI 1841 388 FI 4260 transmitter problems Repaired Plant Integrity LP 198 192 PSV 2362 A on the HP·A çomp failed. Plant Integrity HP1 2,479 4,564 (-t-It~) ? (Note there were no planned events> 1 hour) 2012 , ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Facility Northstar Field(s) Northstar Disposition Volume MCF* 1. Sold 0 2. Reinjected 9,441,988 3. Flared or vented less than 1 hour 5,861 '9 ~ 4. Flared or vented greater than 1 hour J;2~OO~ (Supplemental report required--See 20 AAC 25.235) 5. Pilot and Purge 2,759 6. Used for lease operations Assist 0 Fuel (at island) 479,029 Fuel (Caribou Crossing) 22,707 Fuel (PS#1 hÚ\ 8.939 7. Other ~ { 90 (, 0 TOTAL items 1-7 9,985,989 8. NGL gas equivalent produced 0 9. Purchased gas 3,014,546 PURCHASED GAS USED FOR FUEL PILOT PURGE AND INJECTION 10. Transferred from: 11. Transferred to: I hereby certify that t e foregoing is true and correct to the best of my knowledge. Signature QO. Title (lIl6Q, í AX Date l{ I Jllo -:\ Form 10-422 Rev. 4/95 MonthNear of Disposition Mar-03 *Indicate contribution of each pool to total. Pool Name voae Percent 1. Safety 2 Ci0"j MCF 2. Lease MCF 3. Conserv. Purposes MCF ~f!?-- ~d.; ~~ ~) 116) Commissioner Date Note: All volumes must be corrected to pressure of 14.65 psia and to a temperature of 60 degrees F. Report due by the 20th of the month folowing the month of disposition. Authority 20 AAC 25.235. '~ Start DatelTime End DatelTime Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare Planned LessThan1 Hour 3/2/03 7:39 AM 3/2/03 7:49 AM 10 12 Blew down the test separator to HP flare to prepare to Planned, none necessary Commissioning HP1 , \ commission and unload NS-06. «#'''r- ~é>SI4l\."1 3/6103 8:32 PM 3/6103 8:53 PM 21 24 Planned SID of the facility due to the NS-17 tie-in. None necessary Commissioning HP1 " ~7\1) ~. I, f/ 317/03 5:06 AM 317/03 5:11 AM 5 6':>- 7 Bringing facility back up following planned sid for NS-17 WTI None required Upset LP ~ ß (V '-{ft IJ~ '1' hÞ 317/03 5:28 AM 8 8 Bringing facility back up fOllowing planned sid for NS-17 WTI None required Upset HP1 .JOl~7 317/03 5:35 AM 9 15 Bringing facility back up fOllowing planned sid for NS·17 WTI None required Upset LP 317/03 6:18 AM 21 Bringing facility back up following planned sid for NS-17 WTI None required Upset LP 3/10/03 8: 13 PM 54 Blew down the test separator to attempt to unload the NS-06 None necessary Commissioning HP1 lOr well í 3/11/03 3:01 AM 28 Blew down the test separator to attempt to unload the NS-06 None necessary Commissioning HP1 ~J,I\i)Stv - well Ñ::'~ 3/18/03 9:58 AM 3/18/03 10:02 AM 4 6 Plant outage due to wobbe gas test. Start plant back up. Plant Integrity LP 3/21/03 7:39 AM 3/21/03 7:51 AM 12 26 SID HPA for maint. Equipment Outage HP1 3/21/03 7:53 AM 3/21/03 8:03 AM 10 17 SID HPA for main!. Equipment Outage HP1 3/21/03 8:53 AM 3/21/03 9:29 AM 36 258 Flared off gas line pig reclver as pig arrived Plant Integrity HP1 3/21/03 12:34 PM 3/21/03 1 :29 PM 55 46 Bled down gas line pig reciever to remove pig. Equipment Safe Out HP1 3/21/03 3:02 PM 3/21/03 3:17 PM 15 41 HPA start sequence purge gas Plant Startup HP1 3/21/03 3:15 PM 3/21/03 3:20 PM 5 6 Start gas for starting HPA fOllowing malnt. HPA Start Gas LP 3/22/03 8:58 PM 3/22/03 9:02 PM 4 Bled down Gas line pig reciver to remove pig Equipment Safe Out HP1 3/23/03 3:33 PM 3/23/03 3:37 PM 4 0 HP-B shutdown which caused plant outage. Restarted plant. Equipment Outage LP 3/28/03 7:30 AM 3/28/03 7:36 AM 6 11 A Solar on line Solar A Start Gas LP 3/30/03 11 :04 AM 3/30/03 11:11 AM 7 11 HPA Start Gas None HPA Start Gas LP Group Total: 600 1 of 3 .... Start DateITlme End DatelTime Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare Planned GreaterThan1 Hour 3/6103 7:06 AM 3/6103 8: 17 AM 71 420 Planned SID of the facility due to the NS-17 tie-In. None necessary Commissioning HPI 3/6103 9:27 AM 3/6103 2:28 PM 301 210 Planned SID of the facility due to the NS·17 tie-in. None necessary Commissioning HPI 317/03 12:07 AM 317/03 5:18 AM 311 1,290 Bringing facility back up following planned sid for N5-17 WTI None required Upset HPI 317/03 12:28 AM 317/03 5:03 AM 275 729 Bringing facility back up following planned sid for NS·17 WTI None required Upset LP Group Total: 2,649 Unplanned LessThan1 Hour Group Total: 5,261 Unplanned GreaterThan1 Hour 3/2103 6:00 PM 3/2103 7:05 PM 65 Phantom flare. Source unknown None Unknown LP ~3/03 11:54 AM 3/4/03 10:21 AM 1347 287 under investigation Unknown LP 3/4103 2:58 PM 3/4103 7:33 PM 275 61 Phantom flare. Source unknown Unknown LP 3/6103 7:05 AM 3/6103 2:27 PM 442 168 Phantom None Unknown LP (3/8103 7:01 PM 3/9/03 4:46 AM 585 792 under investigation Unknown LP \~8I03 7:08 PM 3/9/03 1:12 AM 364 224 under Investigation Unknown HPI 3/9/03 2:32 AM 3/9/03 9:50 AM C 1,229 NFC foam dump and BESD SID wells and equipment. Restart facility Equipment Outage HPI 3/9/03 4:48 AM 3/9/03 9:23 AM 75 947 NFC foam dump and BESD SID wells and equipment. Restart facility Equipment Outage LP 3/10/03 8:58 PM 3/11/03 12:22 AM 204 G under Investigation Unknown HPI 3/13/03 3:07 AM 3/13/03 1:51 PM ( 3,663 HP-B comp shut down, taking the LP comp down also. Cut rates, started compressors back up. Equipment Outage HPI 3/13/03 3:08 AM 3/13/03 1:14 PM 606 4,061 HP-B comp shut down, taking the LP comp down also. Cut rates, started compressors back up. Equipment Outage LP " " , , 3/13/03 2:49 PM 3/13/03 4:07 PM ' 78 341 HP-B comp shut down, taking the LP comp down also. Cut rates, started compressors back up. Equipment Outage HPI 3/17/03 7:55 PM 3/17/03 11 :17 PM 202 1,059 _ Plant outage due to wobba gas test. Start plant back up. Upset HPI 2 of 3 L'~ Start DateITlme End DateITlme Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare ,3/18/03 12:44 AM 3/18/03 1:47 AM 63 52 Plant outage due to wobbe gas test. Start plant back up. Plant Integrity LP 3/18/03 12:53 AM 3/18/03 3:04 AM 131 680 Plant outage due to wobbe gas test. Start plant back up. Plant Integrity HP1 \3/18/03 11:32 PM 3/19/03 1:22 AM 110 4 LP Compresor shut down Restart LP Comressor Upset HP1 (3/19/03 2:09 PM 3/19/03 4:05 PM 116 1,034 LP Compresor shut down Restart LP Compressor Upset LP 3/19/03 2:10 PM 3/19/03 4:31 PM 141 866 LP Compresor shut down Restart LP Compressor Upset HP1 ( 3/23/03 4:26 AM 3/23/03 9:23 AM 297 2,177 HP·B shutdown which caused plant outage. Restarted plant. Equipment Outage HP1 3/23/03 9:02 AM 64 137 HP-B shutdown which caused plant outage. Restarted plant. Equipment Outage LP ( ·3/23/03 7:58 AM \ \Y23/03 11 :00 AM 3/23/03 4:38 PM 338 2,671 HP·B shutdown which caused plant outage. Restarted plant. Equipment Outage HP1 3/24/03 6:02 AM 3/24/03 7:41 AM 99 453 HPA & HPB shut down resulting In plant OSD Repair & restart Equipment Outage HP1 í 3/24/03 9:05 AM 3/24/03 12:57 PM 232 655 HPA & HPB shut down resulting In plant OSD Repair & restart Equipment Outage HP1 \ ''3/24/03 1:45 PM 3/24/03 2:58 PM 73 126 HPA & HPB shut down resulting In plant OSD Repair & restart Equipment Outage HP1 (3/27/03 8:18 AM 3/27/03 10:56 AM 158 Operation looking for problems Unknown HP1 ... 'VJl27/03 12:30 PM 3/27/03 3:45 PM 195 Operation looking for problems Unknown HP1 3/29/03 2:25 PM 3/29/03 9:24 PM 419 under Investigation Unknown LP Group Total: 22,057 Report Total: ~~~ Vðl~ (i"lC1) 2,041' Ifl o~ t~/I Bt6 ¿y17Z- V7Ql >1 h.L ~ ~i\~ ~\~ù~ ~(}e.J-. Deser¡ ~~ }\)<;\7 ~p/~g;tOM~ I{~~'t~ (~/~) sl'-lJ3/"1 ~J¡J -gIn J '3/Z7¡ ~JZIj) Co~~~ (HPA-/ ¡')"pßJ Lf) ~{)<;c¿l~ús ~ Wö~e 34.~ ~sf- c;:-) ~ Ll2<1:æ- ~~ --1"'ßIZ .6'lv '4> ~+-.§- N,> qC:iL~ ~ '-o..J '- 3 of 3 I~ \tL.~ -\Å,,,,cu(r~~ ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Facility Northstar Field(s) Northstar I Disposition I Volume MCF* I *Indicate contribution of each pool to total. Pool Name lliode Percent 1. Sold 0 2. Reinjected 7,232,108 3. Flared or vented less than 1 hour 5,860 4. Flared or vented greater than 1 hour 44,351 ¡/ (Supplemental report required--See 20 AAC 25.235) 5. Pilot and Purge 2,670 li>i> > 6. Used for lease operations Assist 0 k< Fuel (at island) 383,658 I> <» <> Fuel (Caribou Crossing) 21,127 I>.> ........ Fuel (PS#1 htr\ 6773 1 . Safety 44 '3b f MCF 7. Other 0 2. Lease MCF TOTAL items 1-7 7,696,547 3. Conserv. Purposes MCF 8. NGL gas equivalent produced 0 (/ ./ ~ /op/o~ 9. Purchased ç¡as 3,037,165 PURCHASED GAS USED FOR FUEL PILOT PURGE AND INJECTION Commissioner Date 10. Transferred from: 11. Transferred to: Note: All volumes must be corrected to I hereby ce~ that t Signature' <: Q. Title m.6fL..-rAx Date .:5''f¡ sf 03 Form 1 0-422 Rev. 4/95 pressure of 14.65 pSla and to a temperature of 60 degrees F. Report due by the 20th of the month folowing the month of disposition. Authority 20 AAC 25.235. ~~ 4/6/2003 4/9/2003 4/12/2003 4/14/2003 4/17/2003 4/18/2003 4/19/2003 4/25/2003 4/26/2003 4/28/2003 4/29/2003 Gas Disposition Assessment Northstar Flaring - April 2003 Safety Safety Safet Safety Safet Safety Totals BP Reported "<= 1 hr" from 10-422 (Met) BP Reported "> 1 hr" from 10-422 (Met) AQGCC Adjusted Flare Volume "<= 1 hr"(Md) AOGCC Ad'usted Flare Volume "> 1 hr" (Met) Flared - Lease Use; Pigging (Mcf) ~ - ;T ðl-::.c=11 r:ee ~ !?re~1.ùIo... be-~eA... "'"¿Lk" ~ 'I>1~1¡ ~ ~ ~~ - 'See- ~~ecJ ~recc~Ct.~tvt. "I m~-t C~ ~ reUI.&J. .-- ~~r. U~ . ~'~e.L.{' ÞIlò{o3 f~' I Regg; 6/13/03 J'B,t.---- 174 34 87 70 13 8 3 1492 197 394 599 1300 34 152 290 239 2 119 938 58 0 3560 2337 7426 Start DatefTime End DatefTime Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare Planned LessThan1 Hour 4/1/03 5:44 PM 4/1/03 5:47 PM 3 0 Restarting wells following a rig move. Flaring intermittently Slow down bringing on wells Upset LP off of the crude stabilizer. 4/1/03 6:12 PM 4/1/03 6:56 PM 44 5 Restarting wells following a rig move. Flaring intermittently Slow down bringing on wells Upset LP off of the crude stabilizer. 4/1/03 6:58 PM 4/1/03 7:28 PM 30 3 Restarting wells following a rig move. Flaring intermittently Slow down bringing on wells Upset LP off of the crude stabilizer. 4/6/03 11 :31 AM 4/6/03 11 :38 AM 7 2 N5-06 new well unloading through test separator to well Unload well and put well in normal production Commissioning LP clean-up tank. Flaring gas off of test separator. stream. 4/6/03 1 :07 PM 4/6/03 1 :35 PM 28 51 NS-06 new well unloading through test separator to well Unload well and put well in normal production Commissioning HP1 j cfêa;ùp tank. Flaring gas off of test separator. stream. ~t~~t 4/6/03 4:42 PM 4/6/03 4:53 PM 11 18 N5-06 new ormal production Commissioning HP1 clean-up lanK. Flaring gas off of test separator. stream. ,~ 4/6/03 5:18 PM 4/6/03 5:54 PM 36 15 N,S;Q6..new well unloading through test separator to well Unload well and put well in normal production Commissioning LP clean-up tank. Flaring gas off of test separator. stream. > 1ke- é) 4/6/03 5:57 PM 4/6/03 6:03 PM 6 5 N~new well unloading through test separator to well Unload well and put well in normal production Commissioning HP1 clean-up tank. Flaring gas off of test separator. stream. 4/6/03 7:21 PM 4/6/03 7:23 PM 2 0 NS-06 new well unloading through test separator to well Unload well and put well in normal production Commissioning HP1 èì'ean-up tank. Flaring gas off of test separator. stream. 4/6/03 10:00 PM 4/6/03 10:16 PM 16 17 NS-06 new well unloading through test separator to well Unload well and put well in normal production Commissioning HP1 cìëan-up tank. Flaring gas off of test separator. stream. 4/6/03 10:46 PM 4/6/03 11:35 PM 49 66 N~ew well unloading through test separator to well Unload well and put well in normal production Commissioning HP1 clean-up tank. Flaring gas off of test separator. stream. 4/9/03 3:03 AM 4/9/03 3:26 AM 23 1 4 Unloading NS-06 through the test separator and to the well Unload well and return to production system Commissioning LP clean-up t¡¡¡;¡¡:-- c,l^A\e 4/9/03 3:38 AM 4/9/03 4:19 AM 41 17 Unloading NS-06 through the test separator and to the well Unload well and return to production system Commissioning LP ;µf/.,.y clean-up ta~ > l4.e.- <Ð 1 of 7 '" Start DateJTime End DateJTime Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare 4/9/03 4:04 AM 4/9/03 4:15 AM 11 t 9 Unloading NS-06 through the test separator and to the well Unload well and return to production system Commissioning HP1 cl~ 4/9/03 4:16 AM 4/9/03 4:28 AM 12 25 Unloading NS-06 through the test separator and to the well Unload well and return to production system Commissioning HP1 cleañ-üp tank. ) 4/9/03 7:32 PM 4/9/03 7:40 PM 8 J 11 Depressure of the test header for NS 19 tie in work. None necessary Equipment Safe Out HP1 4/10/03 11 :02 AM 4/10/03 11:18 AM 16 21 Depressure the test separator for oriface plate change. None necessary Equipment Safe Out HP1 4/10/03 1 :33 PM 4/10/03 1 :36 PM 3 0 Test separator depressure. None necessary Equipment Safe Out HP1 4/10/03 3:13 PM 4/10/03 3:20 PM 7 4 Test separator depressure. None necessary Equipment Safe Out HP1 4/12/03 1 :05 PM 4/12/03 1 :12 PM 7 12 Starting GN-4020A. Generator online. Solar A Start Gas LP ® 4/12/03 2:44 PM 4/12/03 2:46 PM 2 0 Starting GN-4020A. Generator online. Solar A Start Gas LP 4/12/03 3:02 PM 4/12/03 3:11 PM 9 Starting GN-4020A. Generator online. Solar A Start Gas LP 4/14/03 8:28 AM 4/14/03 9:20 AM \ 52 108 LP went down for planned seal replacement work. All production wells were shut in. Equipment Outage HP1 - <Jt ~'e 4/14/03 9:49 AM 28 106 LP went down for planned seal replacement work. All production wells were shut in. Equipment Outage HP1 ~,t >í~~ 14/03 9:44 AM 4/14/03 10:01 AM 489 All production wells were shut in. <Ð 17 LP went down for planned seal replacement work. Equipment Outage HP2 ~/17/03 3:18 PM - 4/17/03 3:48 PM 30 185 De-pressured HP and Test headers for NS-19 flowline tie-in. Completed de-pressurization. Equipment Safe Out HP1 4/18/03 4:53 AM 4/18/03 5:43 AM 50 6 Depressurizing plant after shutdown. Depressured plant. Equipment Outage LP r C;t~ 4/18/0310:22AM 4/18/03 11:15 AM 53 5 Depressurizing plant after shutdown. Depressured plant. Equipment Outage LP µU 4/18/03 11 :33 AM II 15 Depressurizing plant after shutdown. Depressurized plant. Equipment Outage LP tI¡ 4/18/03 9:20 PM 4/18/03 9:28 PM 8 11 Shut down HP-A, flared upon blowdown. Completed blowdown. Equipment Outage HP1 4/18/03 10:33 PM 4/18/03 11:03 PM f\ 213 Routed gas from pipeline to flare for shipping of corrosion Shipped corrosion pig. Equipment Outage HP1 pig. ~~-- ~ 2 of 7 .. Start DatelTime End DatelTime Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare 4/19/03 12:52 AM 4/19/03 12:55 AM 3 Vented gas required to ship corrosion pig. Shipped and recieved pig. Equipment Outage HP1 lVL~ rJ..,~ 4/19/03 1 :03 AM 4/19/03 1 :27 AM 24 98 Vented gas required to ship corrosion pig. Shipped and recieved pig. Equipment Outage HP1 4/19/03 1 :29 AM 4/19/03 2:23 AM 54 287 Vented gas required to ship corrosion pig. Shipped and recieved pig. Equipment Outage HP1 4/19/03 8:29 AM ..--------- 4/19/03 8:36 AM 7 1 Perodic venting from water skimmer off gas. None. Equipment Outage LP 7\~~ 4/19/03 10:37 AM 4/19/03 10:59 AM 22 3 Perodic venting from water skimmer off gas. None. Equipment Outage LP ~ 4/19/03 2:10 PM 4/19/03 2:13 PM 3 0 Perodic venting from water skimmer off gas. None. Equipment Outage LP L.,'v...e-- ~@ 4/19/03 2:29 PM 4/19/03 2:39 PM 10 0 Perodic venting from water skimmer off gas. None. Equipment Outage LP 4/19/03 9:43 PM 4/19/03 9:58 PM 15 25 Vented HP-A start gas. Started HP-A HP A Start Gas HP1 4/20/03 4:42 AM 4/20/03 4:46 AM 4 0 Periodic venting of gas from water skimmer. Still slowly depressurizing plant after shutdown. Equipment Outage LP 4/20/03 4:49 AM 4/20/03 5:38 AM 49 5 Periodic venting of gas from water skimmer. Still slowly depressurizing plant after shutdown. Equipment Outage LP 4/23/03 8:58 AM 4/23/03 9:01 AM 3 preparing for plant restart None necessary Plant Startup HP1 4/23/03 9:26 AM 4/23/03 9:33 AM 7 6 Restarting the plant. None necessary Plant Startup HP1 4/23/03 11 :46 PM 4/24/03 12:42 AM 56 78 Flare during rate increases- Ip tuning. None necessary Plant Startup LP 4/24/03 11 :53 PM 4/25/03 12:02 AM 9 2 Start-up from LP compressor planned maintenance None necessary Upset LP 'ì 4/25/03 12:04 AM 4/25/03 12:07 AM 3 0 Start-up from LP compressor planned maintenance None necessary Upset LP 'Sl~\( ~ ~ 4/25/03 12:21 AM 4/25/03 12:25 AM 4 0 Start-up from LP compressor planned maintenance None necessary Upset LP r?1~", 4/25/03 12:39 AM 4/25/03 1 :05 AM 26 15 Start-up from LP compressor planned maintenance None necessary Upset LP ® 4/25/03 1 :38 AM 4/25/03 2:25 AM 47 27 Start-up from LP compressor planned maintenance None necessary Upset LP 30f7 Start DatelTime End DatelTime Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare 4/25/03 3:23 AM 4/25/03 3:47 AM 24 17 Start-up from LP compressor planned maintenance None necessary Upset LP 4/25/03 3:52 AM 4/25/03 3:57 AM 5 Start-up from LP compressor planned maintenance None necessary Upset LP 4/25/03 10:16 AM 4/25/03 10:57 AM 41 186 Start-up from LP compressor planned maintenance None necessary Upset HP1 4/25/03 3:41 PM 4/25/03 3:57 PM 16 42 Start-up from LP compressor planned maintenance None necessary Upset HP1 4/26/03 12:15 AM 4/26/03 12:45 AM Background flare continuing following cold start-up None necessary Plant Startup HP1 <7\'~\ \~ 4/26/03 12:52 AM 4/26/03 1 :32 AM 40 Background f~ continuiWlfollowing cold start-up None necessary Plant Startup HP1 ~ 7-\.~e- 4/26/03 10:45 AM 4/26/03 10:49 AM 4 0 Background flare continuing following cold start-up None necessary Plant Startup LP ~ d) 4/28/03 8:41 AM 4/28/03 8:49 AM 8 6 HPB compressor repair SID and start up. Flaring from depressurization and purge Equipment Outage HP1 sequences 4/28/03 10:10 AM 4/28/03 10:49 AM 39 300 HPB compressor repair SID and start up. Flaring from depressurization and purge Equipment Outage HP1 sequences 4/28/03 10:22 AM 4/28/03 10:28 AM 6 HPB compressor repair SID and start up. Flaring from depressurization and purge Equipment Outage LP sequences 4/28/03 2:10 PM 4/28/03 2:26 PM 16 45 HPB compressor repair SID and start up. Flaring from depressurization and purge Equipment Outage HP1 \~ sequences t;/J\ )t 4/28/03 2:39 PM 4/28/03 2:46 PM 7 6 HPB compressor repair SID and start up. Flaring from depressurization and purge Equipment Outage HP1 vP sequences /\~ 4/28/03 3:31 PM 4/28/03 4:15 PM 44 272 HPB compressor repair SID and start up. Flaring from depressurization and purge Equipment Outage HP1 sequences @ 4/28/03 4:37 PM 4/28/03 4:56 PM 19 44 HPB compressor repair SID and start up. Flaring from depressurization and purge Equipment Outage HP1 sequences 4/28/03 5:40 PM 4/28/03 5:42 PM 2 0 HPB compressor repair SID and start up. Flaring from depressurization and purge Equipment Outage HP1 sequences 4/28/03 5:52 PM 4/28/03 6:01 PM 9 15 HPB compressor repair SID and start up. Flaring from depressurization and purge Equipment Outage HP1 sequences 4 of 7 Start DatelTime 4/28/03 7:20 PM Planned End DatelTime 4/28/03 7:55 PM Group Total: ú) 4/6103 6:34 PM GreaterThan1 Hour 4/6103 8:19 PM ® @ 4/9/03 8:01 PM 4/12/03 3:27 PM 4/13/03 6:19 AM ® ~ . 4/14/03 12:11 PM ~: ::.::: 4/19/03 2:29 AM @) 4/9/03 9:12 PM 4/12/03 4:33 PM 4/17/03 10:29 AM 4/14/03 8:25 AM 4/14/03 12:10 PM 4/17/03 2:55 PM 4/18/03 4:15 AM 4/18/03 10:55 PM 4/19/03 11 :37 AM 4/20/03 2:08 AM 4/20/03 4:40 AM 4/20/03 8:32 AM 4/23/03 11 :02 PM 4/24/03 8:56 AM 4/24/03 12:45 AM 4/24/03 7:17 AM Minutes L:J 105 71 66 6010 707 89 4484 1037 631 548 551 71 168 594 392 MCF 3,150 249 34 70 / 8 13,657 1,364 128 9,674 266 128 1,300 104 8 40 1,374 1,314 Incident/Cause Description HPB compressor repair SID and start up. / NS-06J1ew well unloading through test separator to well clean-up tank. Flaring gas off of test separator. Test header depressured for NS 19 tie in. Starting GN-4020A. Minimum oil rate required to pig oil pipeline while LP Compressor was SID. LP went down for planned seal replacement work. LP went down for planned seal replacement work. Minimum oil rate required to pig oil pipeline while LP compressor was SID. Depressurizing plant after shutdown. Depressurizing plant after shutdown. Vented gas required to ship corrosion pig. Periodic venting of gas from water skimmer. Periodic venting of gas from water skimmer. Periodic venting of gas from water skimmer. Flare during LP start-up. Flare during rate increases- Ip tuning. Remediation Taken Event Type Flaring from depressurization and purge sequences Equipment Outage Unload well and put well in normal production stream. Commissioning None necessary Equipment Safe Out Generator online. Solar A Start Gas Shipped and recieved cleaning and corrosion pigs. Equipment Outage All production wells were shut in. Equipment Outage All production wells were shut in. Equipment Outage Shipped and recieved cleaning and corrosion pigs. Equipment Outage Depressured plant. Equipment Outage Depressurized plant. Equipment Outage Shipped and recieved pig. Equipment Outage Still slowly depressurizing plant after shutdown. Equipment Outage Still slowly depressurizing plant after shutdown. Equipment Outage Still slowly depressurizing plant after shutdown. Equipment Outage none necessary Plant Startup None necessary Plant Startup Flare HP1 LP HP1 LP LP HP1 HP1 HP1 LP LP HP1 LP LP LP HP1 LP 5 of 7 Start DatelTime End DatelTime Minutes MCF IncidenflCause Description Remediation Taken Event Type Flare 4/25/03 7:20 AM 404 15 Start-up from LP compressor planned maintenance None necessary Upset HP1 4/25/03 4:27 PM 292 62 Start-up from LP compressor planned maintenance None necessary Upset LP 4/25/03 11 :51 PM 464 8 Start-up from LP compressor planned maintenance None necessary Upset HP1 ~ 4/26/03 1 :25 AM 81 19 Background flare continuing following cold start-up None necessary Plant Startup LP 4/26/03 5:41 AM 122 3 Background flare continuing following cold start-up None necessary Plant Startup HP1 4/26/03 6:00 AM 4/26/03 8:11 AM 131 4 Background flare continuing following cold start-up None necessary Plant Startup HP1 e 4/26/03 8:14 AM 4/26/03 9:20 AM 66 2 Background flare continuing following cold start-up none necessary Plant Startup HP1 4/26/03 10:46 AM 4/26/03 11:58 PM 792 22 Background flare continuing following cold start-up None necessary Plant Startup HP1 4/26/03 10:53 AM 4/26/03 12:15 PM 82 19 Background flare continuing following cold start-up None necessary Plant Startup LP 4/26/03 12:18 PM 4/26/03 2:05 PM 107 28 Background flare continuing following cold start-up None necessary Plant Startup LP @ ~4/28103 2:06 PM 4/28/03 4:56 PM 170 58 ~ HPB compressor repair SID and start up. Flaring from depressurization and purge Equipment Outage LP sequences Group Total: 29,711 Unplanned LessThan1 Hour Group Total: 2,710 Unplanned GreaterThan 1 Hour 4/2103 8:09 PM 4/2103 9:36 PM 87 138 Plant shutdown/crude stabilizer LAHH OSD. All production wells shut in. Plant Startup LP 4/2103 9:10PM 4/2103 10:42 PM 92 200 Plant shutdown/crude stabilizer LAHH OSD. All production wells shut in. Plant Startup HP1 4/3/03 8:07 AM 4/3103 11 :27 AM 200 588 Plant shutdownllP Separator LAHH OSD. All production wells shut in. Plant Startup HP1 4/3103 8:07 AM 4/3103 2:29 PM 382 450 Plant shutdown/IP Separator LAHH OSD. All production wells shut in. Plant Startup LP 6 of 7 " Start DatelTime End DatelTime Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare 417/03 12:31 AM 417/03 5:02 PM 991 3,949 LP Compressor shutdown from 2nd stg. seal gas pall. Shut-in wells, restart Compressor. Equipment Outage HP1 417/03 12:31 AM 417/03 4:50 PM 979 5,482 LP Compressor shutdown from 2nd stg seal gas pall. Shut-in wells, restart Compressor. Equipment Outage LP 417/03 6:04 PM 417/03 7:19 PM 75 8 Bringing plant up, wells unloading. Field ramp-up complete. Plant Startup LP 4/12/03 4:47 PM 4/13/03 12:29 AM 462 87 Background flare likely from water skimmer or TEG vent Adjust gas coolers to knock out condensate U/S of Upset LP scrubber the TEG contactor 4/24/03 10:24 PM 275 132 LP compressor start up. Start compressor Plant Startup LP 4/24/03 6:25 PM 4/24/03 8:30 PM 125 LP compressor start-up. HP flaring off of IP separator. Start compressor Plant Startup HP1 4/24/03 11 :50 PM 65 21 LP compressor tuning during production increases. None necessary Upset LP ~ 4/27/03 12:07 AM 4/27/03 7:30 AM 443 22 Background flare continuing following cold start-up Searched for flare source. Flare stopped. Upset HP1 \ ""'" ,.". 4/29/03 5:15 PM 145 1,025 LP compressor down due to a faulty switch Shut in Hi GOR wells. Repair Compressor Equipment Outage LP 4/29/03 2:50 PM 4/29/03 5:22 PM 152 786 LP compressor down due to a faulty switch Shut in Hi GOR wells. Repair Compressor Equipment Outage HP1 ~® 4/29/03 5:30 PM 4/29/03 8:14 PM 164 969 LP compressor down due to a faulty switch Shut in Hi GOR wells. Repair Compressor Equipment Outage LP 4/29/03 5:30 PM 4/29/03 8:26 PM 176 780 LP compressor down due to a faulty switch Shut in Hi GOR wells. Repair Compressor Equipment Outage HP1 Group Total: 14,640 Report Total: 50,211 7 of 7 Facility Northstar 1. Sold 2. Reinjected ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Operator BP Exploration (Alaska) Inc. Field(s) Northstar Disposition Volume MCF* o 8,133,291 3. Flared or vented less than 1 hour 6,978 4. Flared or vented greater than 1 hour (Supplemental report required--See 20 AAC 25.235) 5. Pilot and Purge 26,907 2,759 6. Used for lease operations 7. Other o 421,517 15,777 8515 o TOTAL items 1-7 8,615,744 8. NGL gas equivalent produced o 9. Purchased gas 2,009,989 PURCHASED GAS USED FOR FUEL PILOT PURGE AND INJECTION 10. Transferred from: 11 . Transferred to: I hereby certify that Signature t2. o. Form 1 0-422 Rev. 4/95 's true and correct to the best of my knowledge. Title 1U6r¿ f"AJ{ Date v,f/(,(o> *Indicate contribution of each pool to total. Pool Name o e Percent 1. Safety 2(0 '1lJ7MCF:Jß.e... I 2. Lease MCF 3. Conserv. Purposes MCF Note: All volumes must be corrected to pressure of 14.65 psia and to a temperature of 60 degrees F. Report due by the 20th of the month folowing the month of disposition. Authority 20 AAC 25.235. Northstar Flaring - May 2003 I Regg; 7/17/035bfL Event Descri tion NGL accumulator PCV-2411 leakin to flarre Install double isolation valves in NS 27 and NS 29 Safety Totals 57 95 75 3574 238 0 69 0 63 0 56 0 558 3669 Safety 5/21/2003 5/23/2003 5/25/2003 5/27/2003 HP compressor trouble-shooting Well unload in SID and Safe out of HP-B Safety Safet Safety Safet Gas Disposition Assessment BP Reported "<= 1 hr" from 1 0-422 (Mcf) BP Reported "> 1 hr" from 1 0-422 (Met) AOGCC Adjusted Flare Volume ,,<= 1 hr" (Met) AQGCC Adjusted FlareVolume">1 hr" (Me Faulty Meter (5/17-18/03); "no actual flare" (Mcf) 315 Start DatelTime End DatefTime Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare Planned LessThan1 Hour 5/6/03 3:28 AM 5/6/03 4:24 AM 56 19 Planned SID to install double isolation valves on wells 27 & All wells shut in. Compressors down Equipment Safe Out LP 29 5/6/03 8:57 PM 5/6/03 9:11 PM 14 25 Facility start up following planned maintenance Manage bringing wells on to coincide with Plant Startup HP1 compressor purging and starting 5f7103 2:24 AM 5f7103 2:27 AM 3 9 Facility start up following planned maintenance Manage bringing wells on to coincide with Plant Startup LP compressor purging and starting 5f7103 3:26 AM 5f7103 3:45 AM 19 11 Facility start up following planned maintenance Manage bringing wells on to coincide with Plant Startup LP compressor purging and starting 5f7103 8:26 AM 5f7103 8:33 AM 7 11 Facility start up following planned maintenance Manage bringing wells on to coincide with Plant Startup LP compressor purging and starting 5/8/03 7:17 AM 5/8/03 7:23 AM 6 12 Solar A start due to Solar B shutdown. Solar A Start Gas LP 5/8/03 9:12 PM 5/8/03 9:16 PM 4 0 Depressured Test Sep. and header to assist with NS-29 Complete Job Well Outage HP1 temp. log. 5/10/03 8:24 AM 5/10/03 8:37 AM 13 37 Start sequence for HP B. HPB Start Gas HP1 5/21/03 6:10 AM 5/21/03 6:13 AM 3 Depressure HP A 4th stage discharge to prevent total Plant Integrity HP1 depressurizing of HP A. 5/21/03 7:19 AM 5/21/03 7:49 AM 30 237 Depressure Machine for troubleshooting. Equipment Outage HP1 5/23/03 6:56 AM 5/23/03 7:04 AM 8 35 Bled down pressure in test separator to assist well Complete well start-up. Commissioning HP1 unloading. 5/23/03 7:08 AM 5/23/03 7:11 AM 3 4 Bled down test separator to assist well unloading. Complete startup. Commissioning HP1 5/23/03 7:11 AM 5/23/03 7:15 AM 4 6 Bled down pressure in test separator to assist well Complete start-up. Commissioning LP unloading. 1 of 5 Start DatelTime End DatelTime Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare 5/23/03 9:09 AM 5/23/03 9:18 AM 9 19 Bled down pressure in test separator to assist well Complete start-up. Commissioning HP1 unloading. 5/23/03 10:49 AM 5/23/03 10:54 AM 5 5 Bled down pressure in test separator to assist well Complete start-up. Commissioning HP1 unloding. 5/25/03 5:27 PM 5/25/03 6:02 PM 35 249 HPB Compressor SID and Safeout. Complete Safeout. Equipment Safe Out HP1 5/25/03 8:08 PM 5/25/03 8:36 PM 28 111 HPB Compressor SID and Safeout. Complete Safeout. Equipment Safe Out HP1 5/27/03 8:41 AM 5/27/03 8:48 AM 7 8 Safe-in and start-up of HPB. Complete start-up. HPB Start Gas HP1 5/27/03 10:26 AM 5/27/03 10:33 AM 7 36 Safe-in and start-up of HPB. Complete start-up. HPB Start Gas HP1 5/27/03 10:37 AM 5/27/03 10:39 AM 2 3 safe-in and start-up of HPB. Complete start-up. HPB Start Gas HP1 5/27/03 11 :35 AM 5/27/03 11:39AM 4 5 Safe-in and start-up of HPB. Complete Start-up. HPB Start Gas HP1 5/27/03 11:56 AM 5/27/03 12:00 PM 4 4 Safe-in and start-up of HPB. Complete start-up. HPB Start Gas HP1 Group Total: 849 Planned GreaterThan1 Hour 5/6103 3:26 AM 5/6103 10:27 AM 421 823 Planned SID to install double isolation valves on wells 27 & All wells shut in. Compressors down Equipment Safe Out HP1 29 5/6/03 9:16 PM 5m03 2:44 AM 328 1,688 Facility start up following planned maintenance Manage bringing wells on to coincide with Plant Startup HP1 compressor purging and starting 5/6103 9:28 PM 5m03 2:10 AM 282 1,063 Facility start up following planned maintenance Manage bringing wells on to coincide with Plant Startup LP compressor purging and starting 5/8/03 5:41 PM 5/8/03 8:53 PM 192 156 Depressured Test Sep. and header to assist with NS-29 Complete Job Well Outage HP1 temp. log. 5/15/03 10:00 PM 5/15/03 11 :22 PM 82 225 Start production for LP compressor start-up gas Restart LP Compressor Equipment Outage LP 2 of 5 Start DatelTime End Datefrime Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare 5/28/03 7:21 PM 5/28/03 10:23 PM 182 2,858 HP Compressor startup. Complete Startup. HPA Start Gas HP1 Group Total: 6,813 Unplanned LessThan1 Hour Group Total: 6,129 Unplanned GreaterThan1 Hour 5/1103 5:30 PM 5/2103 12:04 AM 394 67 Minor background flare as rates increased. Likely from Facility temperatures and rates stabilized. Flare Upset LP sources like the TEG vent scrubber stopped. 5/3/03 7:40 AM 513/03 10:58 AM 198 606 HPB SID causing an OSD. Hi Hi lube oil temp. All production wells shut in. Make repairs and Equipment Outage LP restart facility 5/3/03 7:59 AM 513/03 9:23 AM 84 1,246 HPB SID causing an OSD. Hi Hi lube oil temp. All production wells shut in. Make repairs and Equipment Outage HP1 restart facility 5/3/03 9:27 AM 5/3/03 10:32 AM 65 911 HPB SID causing an OSD. Hi Hi lube oil temp. All production wells shut in. Make repairs and Equipment Outage HP1 restart facility. 5/3/03 12:08 PM 5/3/03 1 :43 PM 95 1,853 HPB SID causing an OSD. Hi Hi lube oil temp. All production wells shut in. Make repairs and Equipment Outage HP1 restart facility 513/03 12:39 PM 5/3/03 1 :48 PM 69 359 HPB SID causing an OSD. Hi Hi lube oil temp. All production wells shut in. Make repairs and Equipment Outage LP restart facility 5/3/03 1 :47 PM 5/3/03 7:05 PM 318 576 HPB SID causing an OSD. Hi Hi lube oil temp. All production wells shut in. Make repairs and Equipment Outage HP1 restart facility 5/3/03 2:22 PM 5/3/03 3:48 PM 86 219 HPB SID causing an OSD. Hi Hi lube oil temp. All production wells shut in. Make repairs and Equipment Outage LP restart facility 5/3/03 7:03 PM 513/03 10:31 PM 208 545 HPA SID causing a facility shut down. A faulty vibration All wells shut in. Restarted facility and wells Equipment Outage LP probe was the cause. 5/3/03 7:09 PM 5/3/03 10:31 PM 202 1,016 HPA SID causing a facility shut down. A faulty vibration All wells shut in. Restarted facility and wells Equipment Outage HP1 probe was the cause. 5/3/03 11:04 PM 5/4/03 1 :27 AM 143 4 NGL Surge Tank PCV-2411 leaking to flare Close manual and reset PCV. Plant Integrity HP1 5/4/03 1 :32 AM 5/4/03 3:19 AM 107 2 NGL Surge Tank PCV-2411 leaking to flare Close manual and reset PCV. Plant Integrity HP1 3 of 5 Start DatelTime End DatelTime Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare 5/4/03 4:55 AM 5/4/03 6:07 AM 72 150 HPA shutdown due to low fuel gas pressure. This caused a All production wells shut in. Restart facility and Equipment Outage LP facility OSD. wells. 5/4/03 5:02 AM 5/4/03 10:22 AM 320 2,015 HPA shutdown due to low fuel gas pressure. This caused a All production wells shut in. Restart facility and Equipment Outage HP1 facility OSD. wells. 5/4/03 6:10 AM 5/4/03 9:05 AM 175 796 LP compressor went down on start attempt. Hi interstage Shut in or cut back Hi GOR wells. Restart LP Equipment Outage LP temperature compressor 5/4/03 9:06 AM 5/4/03 10:35 AM 89 419 LP compressor went down on start attempt. Hi interstage Shut in or cut back Hi GOR wells. Restart LP Equipment Outage LP temperature compressor 5/4/03 11 :13 AM 5/4/03 12:16 PM 63 257 LP compressor went down on start attempt. Hi interstage Shut in or cut back Hi GOR wells. Restart LP Equipment Outage HP1 temperature compressor 5/4/03 2:04 PM 5/5/03 12:59 AM 655 38 NGL accumulator PCV-2411 leaking to HP flare. Close manual valve U/S and reseat valve Plant Integrity HP1 5/4/03 7:58 PM 5/5/03 1 :05 AM 307 75 Background flare in the LP flare header from Plant restart Facility came up to rate and temperature and the Upset LP May 4. Sources likely TEG water skimmer and/or TEG flaring ceased. reboiler vent scrubber. 5/5/03 3:09 AM 5/5/03 4:31 AM 82 3 NGL accumulator PCV-2411 leaking to HP flare. Repair order written. Waiting on repair. Plant Integrity HP1 5/5/03 4:35 AM 5/5/03 6:55 AM 140 7 NGL accumulator PCV-2411 leaking to HP flare. Repair order written. Waiting on repair. Plant Integrity HP1 5/5/03 7:09 AM 5/5/03 9:37 AM 148 5 NGL accumulator PCV-2411 leaking to HP flare. Repair order written. Waiting on repair. Plant Integrity HP1 5/5/03 9:57 AM 5/5/03 5:30 PM 453 23 NGL accumulator PCV-2411 leaking to HP flare. Repair order written. Waiting on repair. Plant Integrity HP1 5/5/03 6:37 PM 5/5/03 10:32 PM 235 12 NGL accumulator PCV-2411 leaking to HP flare. Repair order written. Instrumentation technician Plant Integrity HP1 reports that the valve will be repaired during a planned shutdown tomorrow. 5/5/03 10:39 PM 5/6/03 1 :42 AM 183 7 PCV-2411 leaking to flare. Will repair today during planned SID Plant Integrity HP1 4 of 5 Start DatefTime End DatefTime Minutes MCF IncidentlCause Description Remediation Taken Event Type Flare 5m03 12:14 PM 5m03 7:17 PM 423 5,049 PlC fault causing a plant SESD. Fixed problem and restarted plant. Plant Integrity HP1 5m03 1:18 PM 5m03 6:58 PM 340 834 PlC fault causing a plant SESD. Fixed problem and restarted plant. Plant Integrity lP 5/8/03 1 :39 PM 5/8/03 3:12 PM 93 16 Meter malfuction lp flare calibration Meter Problem lP 5/8/03 3:19 PM 5/9/03 12:02 AM 523 139 Meter malfuction lp flare calibration Meter Problem lP 5/13103 11:19 AM 5/13/03 1 :23 PM 124 579 lP compressor shutdown on high suction pressure. production stopped, restarted the lP Upset HP1 compressor. 5/13/03 12:06 PM 5/13/03 1 :07 PM 61 174 lP compressor shutdown. cut production. Upset lP 5/15/03 9:04 PM 5/15/03 11:36 PM 152 422 lP lP Compressor shut down due to failed transmitterTE- restart lp Compressor Equipment Outage HP1 2093 5/17/03 8:49 PM 5/18/03 1: 54 AM 305 140 Meter problem> No actual flare Wrote work order Meter Problem lP 5/18/03 4:53 AM 5/18/03 12:02 PM 429 175 Meter problem> No actual Flare Wrote work order Meter Problem lP 5/20/03 4:39 AM 5/20/03 7:55 AM 196 504 Plant PlC fault. loose wires in IJS box. Tightened wires and restarted plant. Plant Integrity HP1 5/20103 5:32 AM 5/20/03 7:39 AM 127 294 Plant PlC fault. loose wires in IJB box. Tightened wires and restarted plant. Plant Integrity LP 5/28/03 7:36 PM 5/28/03 11: 17 PM 221 557 Suspect PCV-2140 is leaking by. Attempting to locate exact cause. Plant Integrity lP Group Total: 20,094 Report Total: 33,885 5 of 5 ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Facility Northstar Operator BP Exploration (Alaska) Inc. Field(s) Northstar Disposition Volume MCF* 1. Sold 0 2. Reinjected 9,558,704 3. Flared or vented less than 1 hour 6,135 4. Flared or vented greater than 1 hour 3,091 v/ (Supplemental report required--See 20 AAC 25.235) 5. Pilot and Purge 2,670 6. Used for lease operations Assist 0 Fuel (at island) 468,986 Fuel (Caribou Crossing) 5 ö ~X1~ tf~'g~~ Fuel IPS#1 htr' 7. Other 0 TOTAL items 1-7 10,073,329 8. NGL gas equivalent produced 0 9. Purchased gas 2,963,465 PURCHASED GAS USED FOR FUEL PILOT PURGE AND INJECTION 10. Transferred from: 11. Transferred to: I hereby certify that the foregoing is true and correct to the best of my knowledge. Signature Title IV\..<:. (l T A >< Date Î 1'<ø(~1 Form 10-422 Rev. 4/95 MonthNear of Disposition Jun-03 *Indicate contribution of each pool to total. Pool Name voae Percent 1 . Safety 3,d1 MCF .:58f2- 2. Lease MCF 3. Conserv. Purposes MCF ~~ I ~ ðJ Commissioner Date Note: All volumes must be corrected to pressure of 14.65 psia and to a temperature of 60 degrees F. Report due by the 20th of the month folowing the month of disposition. Authority 20 AAC 25.235. Start DatelTime Planned End DatefTime 6/1103 2:18 PM LessThan1 Hour 6/1103 3:05 PM ~~~1 'v)\tl~ '") \ "'~ l~~) 6/2/03 3:46 PM 6/2/03 3:58 PM /2/03 5:20 PM Vi. GfTl03 12:09 AM ~'? \a\teJ £ I~~ 6fT103 12:51 AM 6/9/03 12:19 PM ~ 16/14/032:50AM ~()\\J 'i'> '"'> \ ~ 6/14/03 3:01 AM \"z'71 ~ . 6/15/03 10:27 PM 6/2/03 3:52 PM 6/2/03 4:04 PM 6/2/03 5:55 PM 6fT103 12:27 AM 6fT103 1: 02 AM 6/9/03 1 :18 PM 6/14/03 2:53 AM 6/14/03 3:32 AM 6/15/03 10:35 PM Xi~þ.- 6/15/03 10:42 PM 6/15/03 10:46 PM ~¿., ~\ ",.- 6/15/03 11:09 PM 6/15/03 11:15 PM 1/30/03 8:27 AM ltA <)t. ~ _12,OOPM (~) ð~ Unplanned 6/15/03 11:20 PM 6/30/03 8:50 AM 6/30/03 12:28 PM LessThan1 Hour Group Total: Group Total: Minutes MCF 47 6 6 35 18 11 59 3 31 8 4 6 4 23 22 831 5,304 Incident/Cause Description Remediation Taken Event Type Flare 81 Blew down test separator to bleed well 29 IA to atmospheric pressure for planned remedial work down hole. None required. Plant Integrity HP1 15 Bleeding down NS27 IA through test separator. Slow bleedown. Equipment Safe Out HP1 15 Bleeding down NS27 IA through test separator. Slow bleedown. Equipment Safe Out HP1 289 Bleeding down NS27 IA through test separator. Slow bleedown. Equipment Safe Out HP1 38 Test seperator de-pressured for NS29 IA bleed. Preping for None required IA no-flow test. Equipment Outage HP1 13 Test seperator de-pressured for NS29 IA bleed. Preping for None required IA no-flow test. Equipment Outage HP1 78 NS 29 fA bleed to test header for IA leak testy. None required Equipment Safe Out LP 4 HP A planned shutdown. Planned flaring event Equipment Outage HP1 233 HP A planned shutdown. Planned flaring event Equipment Outage HP1 37 HPA purge gas during start sequence. None required Equipment Outage HP1 6 2nd start on HP A. Planned flaring event HPA Start Gas LP 16 HP A purge gas during start sequence. None required Equipment Outage HP1 5 Starting gas for HP A Planned flaring event HPA Start Gas LP o FI-4240 hp 2nd stage flare meter calibration None necessary Meter Problem HP2 o FI-4240 hp 2nd stage flare meter calibration None necessary Meter Problem HP2 <ú~ 4-00 '2..'71. I \ "'-f- ~~v ~- (5?:fZ- Î \ Z}Ò \ Cl3 1 of 2 Start DatefTime End DatelTime Minutes MCF Unplanned GreaterThan1 Hour 6/3/03 3:31 PM 6/3/03 4:46 PM 75 332 6/25/03 5:31 PM 6/25/03 9:42 PM 251 959 6/25/03 6:41 PM 6/25/03 9:18 PM 157 620 6/29/03 4:26 PM 6/29/03 5:51 PM 85 677 6/29/03 4:26 PM 6/29/03 5:55 PM 89 503 Group Total: Report Total: 3,091 ~ 9,226 Incident/Cause Description Bleeding down NS29 IA through test separator. Crude booster shut down on low discharge pressure LP compressor start Suspect source is TEG skimmer or reboiler scrubber. LP Compressor SID due to a failed temperature switch. 5J Ct I -t- 4()ü -r"Z.-?7 em ~ > \ ~~ Remediation Taken Event Type Flare Slow bleedown. Equipment Safe Out HP1 OSD all wells shut in Upset HP1 None required Plant Integrity LP Flare ceased while looking for source. Upset LP Choked back hi GOR wells. Made repairs and Equipment Outage HP1 restarted LP compressor. jBlZ- -, \2.t¿;\~'3- Corre-~l > I ~t:- ßf ( 10-42 -zJ RrJ%-cc é ~~c.) ~ I~~ r6f ~a-4"Z.-z-) ~C lJ~~c) :jß~ JIlt 3<11' LtF 37~~ b \ 35 ¡\((f- .5'497M<f - 2 of 2 .. .: ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Facility Northstar Operator BP Exploration (Alaska) Inc. Field(s) Northstar Disposition Volume MCF* 1. Sold 0 2. Reinjected 8,922,071 3. Flared or vented less than 1 hour .2.{ 18,636 4. Flared or vented greater than 1 hour ~S~ 26,300 ...,/ (Supplemental report required-oSee 20 AAC 25.235) 5. Pilot and Purge 2,759 6. Used for lease operations Assist 0 Fuel (at island) 423,851 '" Fuel (Caribou Crossing) 37,446 Fuel IPS#1 htr\ 8270 7. Other 0 TOTAL items 1-7 9,439,333 8. NGL gas equivalent produced 0 9. Purchased gas 2,966,178 PURCHASED GAS USED FOR FUEL PILOT PURGE AND INJECTION 10. Transferred from: 11. Transferred to: I hereby certify that the foregoing is true and correct to the best of my knowledge. Signature Title VVt.6(l.. íJC'r-k Date ~ I "$'103 Form 10-422 Rev. 4/95 MonthNear of Disposition Jul-03 *Indicate contribution of each pool to total. Pool Name \"oae Percent 1. Safety IYLJ £~ ~ "t'''~ b~~ r\-~,/' ~ ~ D ~~ ~ ¿)~ ~ % Z1c1300 MCF ~ 2. Lease 3. Conserv. Purposes ~~ -dJI/tTJ Note: All volumes must be corrected to pressure of 14.65 psia and to a temperature of 60 degrees F. Report due by the 20th of the month folowing the month of disposition. Authority 20 AAC 25.235. MCF MCF · : Start DatelTime End DatelTime Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare Planned LessThan1 Hour r-G5I03 1 :42 PM 7/5103 2:15 PM 33 68 Depressure test separator to flare. None, NS-29 annular bleed. Plant Integrity HP1 7/5/03 4:03 PM 7/5/03 4:08 PM 5 2 Calibration of meters. 7 Meter Problem LP L~5;¿ U~ I ') i IY( 'e 7/5103 4:10 PM 7/5103 4:13 PM 3 Calibration of meters. Meter Problem LP - \"}7 µO~ e·J{\:Y 7/5103 4:19 PM 7/5103 4:37 PM 18 8 Calibration of meters. Meter Problem LP ? , ,1 7/5103 4:20 PM 7/5103 4:31 PM 11 Depressure test separator to flare None, NS-29 annular bleed. Plant Integrity HP2 7/5103 6:38 PM 7/5103 6:44 PM 6 Depressure test separator to flare. None, NS-29 annular bleed. Plant Integrity HP1 @ 7/5/03 7:27 PM 7/5103 7:32 PM ...' 5 7 Depressure test separator to flare. None, NS-29 annular bleed. Plant Integrity HP1 \ 7/5/03 8:21 PM 7/5/03 8:58 PM 37 4 Depressure test separator to flare. None, NS-29 annular bleed. Plant Integrity HP1 ~ ~5/03 10:20 PM 7/5103 10:26 PM Depressure test separator to flare. None, NS-29 annular bleed. Plant Integrity HP1 7/10/03 8:23 AM 7/10/03 8:28 AM 5 14 HP-A SD to repair FI-2330 Repaired/Restarted Equipment Outage HP1 'St~\e 7/10/03 9:24 AM 7/10/03 9:28 AM ~4 8 HP-A Restart after SD to repair FI-2330 Restarted. Equipment Outage HP1 lÌ\( j¿~^,~ 7/10/03 9:36 AM 7/10/03 9:40 AM 4 6 HP-A Restart after SD to repair FI-2330 Restarted. Equipment Outage LP ? 7/10/03 9:39 AM 7/10/03 9:43 AM 4 7 HP-A Restart after SD to repair FI-2330 Restarted. Equipment Outage HP1 7/11/03 10:24 PM 7/11/03 10:28 PM 4 6 HPA Start gas Equipment Outage LP 7/13/03 1 :44 PM 7/13/03 1 :49 PM 5 8 Water wash Turbine No action Solar A Start Gas LP 7/13/03 1 :58 PM 7/13/03 2:04 PM 6 9 Water wash Turbine No Action Solar A Start Gas LP " -7lM~t 7/13/03 2:12 PM @ 3 Solar A Start Gas LP 7/13/03 2:09 PM 4 Water wash Turbine No action .0,,¿J- _ /"j 7/13/03 2:37 PM 7/13/03 2:44 PM 4b. 7 12 Water wash Turbine No action Solar A Start Gas LP 7/13/03 2:50 PM 7/13/03 2:58 PM 8 13 Water wash Turbine No action Solar A Start Gas LP 1 of 4 . Start DatelTime End DatelTime Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare L!/13103 3:32 PM 7/13/03 3:40 PM 8 13 Water wash Turbine No action Solar A Start Gas LP L 7/13103 7:59 PM 7/13103 8:06 PM 7 11 Start gas no action Solar A Start Gas LP CD 7/21/03 3:32 PM 7/21/03 3:42 PM ~' 8 Plant re-start following HPA starter work None necessary Plant Startup LP C, ~~l\e-- -- 7/21/03 3:35 PM 7/21/03 4:05 PM 44~30 135 Plant re-start following HPA starter work None necessary Plant Startup HP1 £~ K\^ ~ 7/21/03 4:09 PM 7/21/03 4:13 PM 4 Plant re-start following HPA starter work None necessary Plant Startup LP ~ ~~_ "~ß 7/28/03 10:01 AM "t 26 Bleed down NS-13 through Test separator. Complete Bleedown. Equipment Safe Out HP1 µ. Equipment Safe Out HP1 , 7/29/03 3:27 AM 7/29/03 3:35 AM 8 17 Bleed NS-13 flowline to test separator. Bleedown complete. . 7 Group Total: 446 Unplanned LessThan1 Hour Group Total: 18,190 Unplanned GreaterThan1 Hour 7/8/03 6:18 PM 7/8/03 7:22 PM 64 455 LP 2nd stage inlet temp transmitter 2053 failed. Switch has been by-passed. Switch will be Upset HP1 replaced. 7/11/03 1 :58 AM 7/11/03 4:16.AM 138 57 Compressor problems causing flare events Trouble shoot & correct Upset LP 7/12/03 10:58 AM 7/12/03 11 :59 AM 61 354 HP-A SD due to high 4th stage discharge temp. (Mapping Restarted Equipment Outage HP1 problems) 7/16/03 2:17 PM 7/16/03 6:21 PM 244 861 Power Outage, plant shutdown. Shut-in wells. Equipment Outage HP1 7/16/03 6:34 PM 7/17/03 10:05 AM 931 4,441 SID LP Compressor. Shut-in wells. Equipment Outage LP 7/16/03 6:38 PM 7/17/03 10:28 AM 950 4,209 LP Compressor purge. Normal start sequence. Equipment Outage HP1 7/17103 3:38 PM 7/17/03 4:51 PM 73 231 Plant OSD from LAHH in NGL Accumulator. Shut-in field. Upset HP1 7/17/03 7:22 PM 7/17/03 9:40 PM 138 404 Plant OSD from LAHH in 3rd stg suction scrubber. Shut-in wells. Upset HP1 7/17/03 8:17 PM 7/17/03 9:41 PM 84 211 LP Purge. Normal Sequence. Equipment Outage LP 7/18/03 3:53 AM 7/18/03 7:54 AM 241 1,940 Plant blowdown and purge of HPA. Normal process for both during shutdown and Equipment Outage HP1 20f4 ,. Start DatelTime End DatelTime Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare start-up. 7/18/03 4:13 AM 7/18/03 7:24 AM 191 599 Purging LP Compressor. Normal start-up sequence. Equipment Outage LP 7/19/03 9:06 PM 7/19/03 11 :20 PM 134 847 LP Compressor Shutdown from 5th stg HI HI vibration. Shut-in wells to mitigate flare. Equipment Outage LP 7/19/03 9:49 PM 7/20/03 12:05 AM 136 925 NGL System upset - NGL Accumulator and reboiler flooded. Shut-in wells to mitigate flaring. Upset HP1 SID LP Compressor. 7/20/03 1 :04 AM 7/20/03 2:51 AM 107 309 LP Compressor shutdown from NGL System upset. Shut-in wells. Equipment Outage LP 7/20/03 1 :05 AM 7/20/03 4:52 AM 227 1,073 Plant OSD from NGL Accumulator LAHH. Shutdown plant and wells. Upset HP1 7/20/03 3:21 AM 7/20/03 10:56 AM 455 1,257 Plant OSD from NGL Accumulator LAHH. Shutdown plant and wells. Troubleshoot and drain Plant Startup LP system before plant restart. HPA & LP purges. 7/20/03 4:58 AM 7/20/03 11 :06 AM 368 1,157 Plant OSD from NGL Accumulator LAHH. Shutdown plant and wells. Troubleshoot and drain Plant Startup HP1 system before plant restart. HPA & LP purges. .X_f" v:£t'(.... ~~\j cY 1( y:;.~ ~U- ( ~t^-;¡".J( r-¡¡¿';7/20/03 6:47 PM 7/20/03 10:01 PM 194 760 HPA Shutdown, Valve out of position. Shutdown plant and wells. Equipment Outage HP1 'f'4" t L 7/21/03 4:48 AM 7/21/03 8:21 AM 213 1,529 HPA compressor SID due to hi starter temp All wells shut in. Make repairs. Equipment Outage HP1 7/21/03 10:14 AM 7/21/03 1 :29 PM 195 294 Inlet separator level control valve leaking gas by to the NGL Manually blocked valve In. Wrote work request Equipment Outage HP1 surge tank. 6) {,ro, ,," eN 7/21/03 6:23 PM 79 160 Plant re-start following HPA starter work Normal start-up sequence. Meter Problem HP1 7/21/03 5:04 PM 7/21/03 6:19 PM 75 270 Plant re-start fOllowing HPA starter work Normal start-up sequence. Plant Startup LP 7/24/03 9:23 AM 7/24/03 10:35 AM 72 163 Bringing on wells. Start and load compressor. Plant Startup HP1 7/27/03 10:07 PM 7/28/03 12:48 AM 161 1,371 HPA Shutdown, flaring from blowdown SDVS. Shut-in wells. Equipment Outage HP1 7/28/03 8:14 PM 7/28/03 9:52 PM 98 1,139 Power Outage, BESD. Techs working on Solar A caused it to Shut-In wells, restart plant. Equipment Outage HP1 shutdown, Solar C didn't take load. 30f4 ,~ ~ Start DateJTime End DateJTime Minutes MCF 7/29/03 7:53 AM 7/29/03 9:37 AM 104 378 7/29/03 9:01 AM 7/29/03 10:10 AM 69 223 7/30/03 6:17 PM 7/30/03 8:16 PM 119 444 7/30/03 6:19 PM 7/30/03 8:21 PM 122 240 Group Total: 26,300 Report Total: Incident/Cause Description Remediation Taken Event Type Flare Equipment Outage HP1 Equipment Outage LP Upset LP Upset HP1 HPA & LP Compressors shutdown from Control Net problem. Shut-in wells. HPA & LP Compressors shutdown from Control Net problem. Shut-in wells. NS 9 wing sdv shut in. Restart HP A, LP and restore production. NS 9 wing SDV shut in. Restart HP A, LP and restore production. 40f4 Be in Date 7/5/2003 7/20/2003 Event Descri tion Depressure test separator; NS 29 annular ressure bleed HP-A compressor SID and restart - starter tem roblems Northstar Flaring - July 2003 Safety Safety Gas Disposition Assessment .~ .. Totals BP Reported "<- 1 hr" from 10-422 (Mef) BP Reported "> 1 hr" from 1 0-422 (Mef) AOGCC Adjusted Flare Volume "<= 1 hr" (Mef) AOGCC Adjusted Flare Volume "> 1 hr" (Met) I Regg; 8/27/03 137 o 144 1959 281 1959 ALASKA Oil AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Facility Northstar Operator BP Exploration (Alaska) Inc. Field(s) Northstar Disposition Volume MCF* 1. Sold 0 2. Reinjected 8,477,537 3. Flared or vented less than 1 hour 10,738 4. Flared or vented greater than 1 hour 13,208 t./ (Supplemental report required--See 20 AAC 25.235) 5. Pilot and Purge 2,759 6. Used for lease operations Assist 0 Fuel (at island) 376,307 Fuel (Caribou Crossing) 38,173 Fuel IPS#1 htr\ 5988 7. Other 0 TOTAL items 1-7 8,924,710 8. NGL gas equivalent produced 0 9. Purchased gas 3,112,871 PURCHASED GAS USED FOR FUEL PILOT PURGE AND INJECTION 10. Transferred from: 11. Transferred to: Signature Title ~ tL TAX Date q Form 10-422 Rev. 4/95 *Indicate contribution of each pool to total. Pool Name lL,;ode Percent 1. Safety l 3, ¿¿S MCF --..J8f2-- 2. Lease MCF 3. Conserv. Purposes MCF f:--¿~~ /I/f/~ Commissioner Date Note: All volumes must be corrected to pressure of 14.65 psia and to a temperature of 60 degrees F. Report due by the 20th of the month folowing the month of disposition. Authority 20 AAC 25.235. Start Date!Time Planned 8/1/03 6:09 PM 8/1/03 6:22 PM 8/1/03 8:09 PM 8/1103 8:45 PM 8/1/03 10:17 PM 8/1/03 10:20 PM 8/1/03 10:26 PM 8/2103 10:32 AM 8/4/03 8:03 AM L\\.(\~ ,/ ( 8/4/03 9:52 PM ; {.8. /4/03 10:11 PM l8/4/03 10:29 PM Vtc).. " \l(".07 n.T> ! I r' """. ~ ~ ~~; J- \\ 8/6/03 2:17 PM I4t~¡.A, ¡'¡'¿Aj I 8/6/03 5:48 PM I \ 8/6/03 7:33 PM End Date!Time lessThan 1 Hour 8/1/03 6:16 PM 8/1/03 6:26 PM 8/1/03 8:13 PM 8/1/03 8:50 PM 8/1/03 10:21 PM 8/1/03 10:25 PM 8/1/03 10:30 PM 8/2103 10:39 AM 8/4/03 8:30 AM 8/4/03 10:07 PM 8/4/03 10:24 PM 8/4/03 10:34 PM 8/6/03 12:09 PM 8/6/03 2:21 PM 8/6/03 5:52 PM 8/6/03 7:37 PM Minutes MCF 7 4 4 5 4 5 4 7 27 +& 93 Not included in total t:> ~ Not included in total 5 301 Not included in total 4 4 4 4 Incident/Cause Description 36 Remediation Taken A start attempt on HP A was aborted during normal purge. Repair of transmitters. 6 5 10 Normal purge during start sequence of HP A. 5 10 Normal purge gas during a start sequence for HP A. 5 12 HP A start sequence initiated. 60 Test seperator was depressured for wireline safeout on NS 27. Flare flow meter calibration was underway. This is a false flare event. Calibrating the flow transmitter- a false flare event. Calibrating the flow transmitter- a false flare event. 5 Bleeding off lubricator to flare while working on NS-27 5 Bleeding off lubricator to flare while working on NS-27 5 9~e€d¡r,g off it..;bt\c;:¡tor to flare while INürk¡n9 0n NS~27 5 Bleeding off lubricator to flare while working on NS-27 After start-up, HP A was shutdown for more transmitter repair. Event Type Equipment Outage HPA Start Gas HP A Start Gas Equipment Outage HP A Start Gas Equipment Outage HP A Start Gas HP A Start Gas Equipment Safe Out False indication that results when the transmitters Equipment Outage are calibrated. nona none Equipment Outage Equipment Outage Well Outage Well Outage Well Outage Well Outage Flare HP1 LP LP HP1 LP HP1 LP LP HP1 LP HP1 HP2 HP1 HP1 HP1 HP1 1 of 8 · . Start DatelTime End DatelTime Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare 816/03 8:53 PM 8/6103 8:55 PM 2 3 Bleeding off lubricator to flare while working on NS-27 none Well Outage HP1 816/03 9:08 PM 816103 9:11 PM 3 3 Bleeding off lubricator to flare while working on NS-27 none Well Outage HP1 ~~l¢ 818103 1 :52 PM 818103 2:11 PM 19 64 Bleeding NS-27 tubing to flare none Well Outage HP1 8110/03 3:18 AM 8110/03 3:46 AM 28 55 Lowering pressure in test seperator pressure while POPing none Commissioning HP1 NS-16 ~II,<. ~.., ,,""" 8110/03 1 :41 PM 35 215 Blowing down HPA compressor None Equipment Outage HP1 8110/03 1 :46 PM 8110/03 1 :49 PM 3 4 Blowing down HPA compressor none Equipment Outage HP1 ~1/03 12:35 AM 8111/03 12:44 AM 9 24 Lowering pressure in test seperator pressure while POPing none Well Outage HP1 NS-16 >\~~ 8111/03 7:39 PM 8111/03 7:41 PM 2 2 Lowering pressure in test seperator pressure while POPing none Well Outage HP1 NS-16 ~~~,} 8111/03 7:50 PM 8111/03 7:52 PM 2 3 Lowering pressure in test seperator pressure while POPing Well Outage HP1 none NS-16 8113/03 2:00 AM 8113/03 2:12 AM 12 33 Lowered pressure in test seperator for acid flow back none Well Outage HP1 c9 L. 8/15/03 6:47 AM 8115/03 6:54 AM 7 11 Restart wells and LP compressor None necessary Plant Startup HP1 ~ \"~ 8115/03 7:04 AM 8115/03 7:07 AM 3 4 Restart wells and LP compressor None necessary Plant Startup HP1 'I~~ Ii\.( 8115/03 7:09 AM 8115/03 7:12 AM 3 2 Restart wells and LP compressor None necessary Plant Startup HP1 8115/03 10:46 AM 8115/03 10:49 AM 3 6 Blowing NS-27 inner annulus pressure to atmosphere None necessary Well Outage HP1 C@ through the test separator to flare. > lli\l. 8115/03 1 :06 PM 8115/03 1 :09 PM 3 4 Blowing NS-27 inner annulus pressure to atmosphere None necessary Well Outage HP1 through the test separator to flare. ~~ 8115/03 2:02 PM 8115/03 2:04 PM 2 3 Blowing NS-27 inner annulus pressure to atmosphere None necessary Well Outage HP1 through the test separator to flare. 8115/03 2:25 PM 8115/03 2:36 PM 11 39 Blowing NS-27 inner annulus pressure to atmosphere None necessary Well Outage HP1 through the test separator to flare. 2 of 8 · . Start DatelTime End DatelTime Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare 8/20/03 6:48 AM 8/20103 7:08 AM 20 51 Bleeding NS-29 wireline work through the test separator to None necessary Well Outage HP1 ~f flare and NS-16 for MEOH pump job. 8/20/03 1:10 PM 8/20/03 1:18 PM 8 23 Bleeding NS-29 wireline work through the test separator to None necessary Well Outage HP1 't ;.;.--- flare and NS-16 for MEOH pump job. 8/20/03 2:13 PM 8/20/03 2:25 PM 12 20 Bleeding NS-29 wireline work through the test separator to None necessary Well Outage HP1 flare and NS-16 for MEOH pump job. 8/21/03 1 :09 AM 8/21/03 1:17 AM 8 19 Unloading NS-13 to test separator following acid job Not necessary Well Outage HP1 8/21/03 1 :23 AM 8/21/03 1 :34 AM 11 14 Unloading NS-13 to test separator following acid job Notnecessary Well Outage HP1 8/21/03 1 :41 AM 8/21/03 1 :43 AM 2 3 Unloading NS-13 to test separator following acid job Not necessary Well Outage HP1 >I~ 8/21/03 10:28 AM 8/21/03 10:32 AM 4 12 Unloading NS-13 to test separator following acid job None necessary Well Outage HP1 .-- t4~ 8/21/03 10:37 AM 8/21103 10:44 AM 7 11 Unloading NS-13 to test separator following acid job None necessary Well Outage HP1 8/21/03 10:47 AM 8/21/03 10:51 AM 4 6 Unloading NS-13 to test separator following acid job None necessary Well Outage HP1 8/21/03 10:56 AM 8/21/03 10:59 AM 3 5 Unloading NS-13 to test separator following acid job None necessary Well Outage HP1 8/21/03 3:43 PM 8/21/03 3:46 PM 3 3 Unloading NS-13 to test separator following acid job None necessary Well Outage HP1 8/21/03 7:07 PM 8/21/03 7:19 PM 12 103 Restart attempt following 4th stage repairs None necessary HPA Start Gas HP1 8/21/03 7:23 PM 8/21/03 7:27 PM 4 6 Restart attempt following 4th stage repairs None necessary HPA Start Gas LP '> {~~ 8/21/03 7:27 PM 8/21103 7:47 PM 20 117 Restart attempt following 4th stage repairs None necessary HPA Start Gas HP1 tt~ 8/21/03 8:14 PM 8/21/03 8:25 PM 11 23 Restart attempt following 4th stage repairs N/A HPA Start Gas HP1 8/21/03 8:40 PM 8/21/03 8:51 PM 11 23 Restart attempt following 4th stage repairs N/A HPA Start Gas HP1 8/22103 12:38 AM 8/22103 12:48 AM 10 16 Start wells in to restart LP compressor None Necessary Plant Startup LP 3 of 8 · . Start DatelTime End DatelTime Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare 8122/03 2:40 AM 8/22/03 2:43 AM 3 9 Restart LP compressor None necessary Plant Startup HP1 8/22/03 8:34 AM 8/22/03 8:38 AM 4 15 Flaring off of test separator for NS-15 acid treatment None necessary Well Outage HP1 flowback. 8/22/03 8:50 AM 8/22/03 8:53 AM 3 6 .Flaring off of test separator for N5-15 acid treatment N/A Well Outage HP1 flowback. 8122/03 8:58 AM 8/22/03 9:01 AM 3 4 Flaring off of test separator for NS-15 acid treatment N/A Well Outage HP1 flowback. 8/22/03 9:09 AM 8/22/03 9:11 AM 2 2 Flaring off of test separator for NS-15 acid treatment N/A Well Outage HP1 flowback. 8/22/03 9:16 AM 8/22/03 9:18 AM 2 2 Flaring off of test separator for N5-15 acid treatment N/A Well Outage HP1 flowback. 8/22/03 9:32 AM 8/22/03 9:35 AM 3 3 Flaring off of test separator for NS-15 acid treatment N/A Well Outage HP1 flowback. 8/22/03 9:46 AM 8/22/03 10:41 AM 55 371 Flaring off of test separator for NS-15 acid treatment N/A Well Outage LP ìl~ flowback. 8/22/03 9:51 AM 8/22/03 10:35 AM 44 218 Flaring off of test separator for NS-15 acid treatment N/A Well Outage HP1 1A,'v~ flowback. '" 8/22/03 12:32 PM 8/22/03 12:40 PM 8 23 HPA safe-out blow down N/A Equipment Safe Out HP1 8/22/03 3:49 PM 8/22/03 3:54 PM 5 22 Flaring off of test separator for N5-15 acid treatment N/A Well Outage HP1 flowback. 8/22/03 4:14 PM 8/22/03 4:17 PM 3 6 Flaring off of test separator for N5-15 acid treatment N/A Well Outage HP1 flowback. 8/22/03 4:26 PM 8/22/03 4:28 PM 2 3 Flaring off of test separator for N5-15 acid treatment N/A Well Outage HP1 flowback. £\~ ~~ ,~~ 8/23/03 5:39 AM 5 19 Blow down test separator to unload NS-08 acid treatment N/A Well Outage HP1 8/23/03 5:49 AM 8/23/03 5:53 AM 4 9 Blow down test separator to unload NS-08 acid treatment N/A Well Outage HP1 8/23/03 12:33 PM 8/23/03 12:36 PM 3 6 Blow down test separator to unload NS-09 acid treatment N/A Well Outage HP1 4 of 8 · . Start DatelTime End DatelTime Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare -'...... 8/23/03 9:10PM 8/23/03 9:18 PM 8 4 Restart wells and equipment NIA Plant Startup LP 8/23/03 9:18 PM 8/23/03 9:29 PM 11 51 Restart wells and equipment NIA Plant Startup HP1 8/23/03 9:27 PM 8/23/03 9:36 PM 9 17 Restart wells and equipment NIA Plant Startup LP )\~~ ~~&J 8/23/03 9:37 PM 8/23/03 9:44 PM 7 13 Restart wells and equipment NIA Plant Startup HP1 8/23/03 10:19 PM 8/23/03 10:36 PM 17 53 Restart wells and equipment NIA Plant Startup HP1 8/23/03 10:42 PM 8/23/03 10:51 PM 9 17 Restart wells and equipment N/A Plant Startup HP1 8/23/03 10:53 PM 8/23/03 10:57 PM 4 9 Restart wells and equipment N/A Plant Startup HP1 r- 8/24/03 6:17 AM 8/24/03 6:23 AM 6 28 Flowback NS-19 acid returns through the test separator NIA Well Outage HP1 8/24/03 6:30 AM 8/24/03 6:34 AM 4 11 Flowback NS-19 acid returns through the test separator NIA Well Outage HP1 8/24/03 6:43 AM 8/24/03 6:46 AM 3 3 Flowback NS-19 acid returns through the test separator NIA Well Outage HP1 8/24/03 7:00 AM 8/24/03 7:02 AM 2 2 Flowback NS-19 acid returns through the test separator NIA Well Outage HP1 >I~ 8/24/03 7:05 AM 8/24/03 7:07 AM 2 3 Flowback NS-19 acid returns through the test separator NIA Well Outage HP1 ~~!- 8/24/03 7:11 AM 8/24/03 7:13 AM 2 2 Flowback NS-19 acid returns through the test separator NIA Well Outage HP1 8/24/03 7:23 AM 8/24/03 7:29 AM 6 7 Flowback NS-19 acid returns through the test separator N/A Well Outage HP1 8/24/03 7:32 AM 8/24/03 7:35 AM 3 3 Flowback NS-19 acid returns through the test separator NIA Well Outage HP1 8/24/03 7:46 AM 8/24/03 7:50 AM 4 4 Flowback NS-19 acid returns through the test separator NIA Well Outage HP1 8/24/03 8:04 AM 8/24/03 8:10 AM 6 6 Flowback NS-19 acid returns through the test separator NIA Well Outage HP1 50f8 · , Start DatelTime End DatelTime Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare ~4/03 8:44 AM 8124/03 8:47 AM 3 2 Flowback NS-19 acid returns through the test separator NIA Well Outage HP1 8124/03 12:02 PM 8124/03 12:06 PM 4 6 Flowback NS-18 acid returns through the test separator NIA Well Outage HP1 8124/03 12:18 PM 8124/03 12:20 PM 2 2 Flowback NS-18 acid returns through the test separator NIA Well Outage HP1 > l~,c. .- 8124/03 12:36 PM 8/24/03 12:39 PM 3 3 Flowback NS-18 acid returns through the test separator N/A Well Outage HP1 ( Jôi¡,,~kJ' 8124/03 12:48 PM 8124/03 12:52 PM 4 23 Flowback NS-18 acid returns through the test separator NIA Well Outage HP1 8124/03 1 :09 PM 8124/03 1 :16 PM 7 15 Flowback NS-18 acid returns through the test separator NIA Well Outage HP1 8/24/03 1 :23 PM 8124/03 1 :27 PM 4 4 Flowback NS-18 acid returns through the test separator NIA Well Outage HP1 8125/03 3:48 PM 8/25/03 3:51 PM 3 5 Flaring from test separator to unloas NS-24 acid treatment NIA Well Outage HP1 > I~L 8125/03 3:56 PM 8125/03 4:00 PM 4 7 Flaring from test separator to unloas NS-24 acid treatment NIA Well Outage HP1 ( ~~\,Ut.J- 8126/03 10:35 AM 8126/03 10:52 AM 17 71 Unload NS-24 acid job through the test separator to flare NIA Well Outage HP1 8126/03 11 :59 AM 8126/03 12:07 PM 8 41 Unload NS-24 acid job through the test separator to flare NIA Well Outage HP1 Ivwœ """. 8126/03 12:15 PM 4 6 Starter gas to Ip flare NIA HPA Start Gas LP ~\ ~~~ 8126/03 3:55 PM 8126/03 3:59 PM 4 6 Starter gas to Ip flare NIA HPA Start Gas LP £\~~ rvwœ.'~~ 8129/03 4:53 PM 5 4 NS20 un-loaded to test separator after scale inhibitor None Upset HP1 treatment. ~ -- ',$~ 8129/03 5:40 PM 5 6 NS20 un-loaded to test separator after scale inhibitor None. Upset HP1 treatment. Group Total: 2,252 3 false flare events page 1 not included 6 of 8 . . Start DatelTime End DatelTime Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare Planned GreaterThan1 Hour 8/15/03 7:26 AM 8/15/03 10:44 AM 198 1,202 Restart wells and LP compressor None necessary Plant Startup HP1 0) 8/15/03 7:53 AM 8/15/03 9:59 AM 126 374 Restart wells and LP compressor None necessary Plant Startup LP - 8/15/03 10:07 AM 8/15/03 12:16 PM 129 282 Restart wells and LP compressor None necessary Plant Startup LP ® --Œ;5/03 10:51 AM 8/15/03 12:14 PM 83 159 Blowing NS-27 inner annulus pressure to atmosphere None necessary Well Outage HP1 through the test separator to flare. -E::03 1 :04 AM 8/22/03 2:20 AM 76 275 Start wells in to restart LP compressor None necessary Plant Startup LP Group Total: 2,293 Unplanned LessThan1 Hour Group Total: 8,486 Unplanned GreaterThan1 Hour 8/8/03 8:40 PM 8/9/03 12:55 AM 255 502 HPA having controls problems. Investigating problem Upset HP1 8/12/03 6:41 PM 8/12/03 8:02 PM 81 2,126 Shut-in wells, restart compressor. Shut-in wells, restart compressor. Equipment Outage HP1 -E"" ,,,,,. 8/13/03 4:21 PM 129 1,204 HPB shut down on a bad speed sensor cut production rate Equipment Outage HP1 13/03 2:12 PM 8/13/03 3:20 PM 68 3,720 HPB shut down on a bad speed sensor cut production rate Equipment Outage HP2 8/13/03 2:15 PM 8/13/03 4:18 PM 123 466 LP compressor shut down when HPB shut down cut production rate Equipment Outage LP \ ~oœ "..,. 8/14/03 2:52 PM 140 373 Purging LP Compressor. Minimize Production rate. Plant Startup LP ~~ ~~ . 8/14/03 1:13 PM 8/14/03 2:54 PM 101 173 Purging LP Compressor. Minimize Production rate. Plant Startup HP1 8/21/03 11 :48 PM 8/22/03 2:25 AM 157 549 Hi level in the 1 st stage suction scrubber caused by All wells shut in automatically Upset HP1 unloading spent acid well 8/22/03 10:55 PM 80 207 LP compressor sid due to hi hi 1st stage scrubber level. All wells shut-in. Upset LP 8/24/03 2:03 AM 188 585 LP compressor down for hi hi 1st stage suction scrubber All wells shut in. Black smoke flare reported. Equipment Outage LP level. Level bridal in the LP separator malfunctioned due to Restart wells and equipment. acid returns. 7 of 8 · " Start DatelTime End DatelTime Minutes MCF ~ 11:05PM 8124/03 1 :32 AM 147 286 8130/03 2:22 PM 8130/03 5:03 PM 161 486 8/30/03 3:06 PM 8/30103 5:09 PM 123 238 Group Total: 10,915 Report Incident/Cause Description Remediation Taken Event Type Flare LP compressor down for hi hi 1 st stage suction scrubber level. Level bridal in the LP separator malfunctioned due to acid returns. All wells shut in. Black smoke flare reported. Restart wells and equipment. Equipment Outage HP1 HP "A" False fire detection. Upset LP HP "A" False fire detection. Upset HP1 8 of 8 Be in Date 8/6/2003 8/11/2003 8/15/2003 8/15/2003 8/20/2003 8/21/2003 8/21/2003 8/22/2003 8/22/2003 8/22/2003 8/23/2003 8/24/2003 8/24/2003 8/25/2026 Gas Disposition Assessment Event Descri NS 27 bleed oft NS 16 POP LP Com ressor & wells restart NS 27 bleed IA NS 29 W/L work NS-13 test Restart after 4th sta e re air NS 15 test NS 15 test Start wells to restart LP eom Restart wells/e ui ment NS 19 test NS 18 test NS 24 test \ t,~ \0\ 1858 159 275 Totals 2292 1643 BP Reported "<= 1 hr" from 1 0-422 (Mef) BP Reported "> 1 hr" from 10-422 (Met) Starter gas to LP Flare - Pilot and Purge (Mef) 12 o AOGCC Adjusted Flare Volume "<= 1 hr" (Mef) AOGCC Adjusted Flare Volume "> 1 hr" (Met) · ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Facility Northstar Operator BP Exploration Alaska) Inc. Field(s) Northstar MonthNear of Disposition Sep-03 Disposition Volume MCF* *Indicate contribution of each pool to total. Pool Name o e Percent 1. Sold o 2. Reinjected 7,359,483 3. Flared or vented less than 1 hour 3,678 4. Flared or vented greater than 1 hour (Supplemental report required--See 20 AAC 25.235) 2,350 5. Pilot and Purge 2,670 6. Used for lease operations o 439,432 38,305 8240 o 1 . Safety 1-z ~SD MCF -::JBf' 7. Other 2. Lease MCF TOTAL items 1-7 7,854,158 3. Conserv. Purposes MCF 8. NGL gas equivalent produced o /pð/J D te 9. Purchased gas 3,459,408 PURCHASED GAS USED FOR FUEL PILOT PURGE AND INJECTION 10. Transferred from: 11. Transferred to: I hereby certify that the foregoing is true and correct to the best of my knowledge. Signature áMA\L ~ ~ Title ~ 1\ Âc.t...t. Date 11) Note: All volumes must be corrected to pressure of 14.65 psia and to a temperature of 60 degrees F. Report due by the 20th of the month following the month of disposition. Authority 20 AAC 25.235. Form 1 0-422 Rev. 4/95 " Start DatelTime End DatelTime Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare Planned LessThan1 Hour 9/1/03 12:45 PM 9/1/03 12:57 PM 12 24 Wireline is using test separator to vent gas during NS27 Reduce test separator pressure to process Equipment Safe Out HP1 tubing patch removal. pressure prior to de-pressuring to atmosphere. 9/1/03 2:07 PM 9/1/03 2:15 PM 8 12 Wireline is using test separator to vent gas during NS27 Reduce test separator pressure to process Equipment Safe Out HP1 tubing patch removal. pressure prior to de-pressuring to atmosphere. 13 \A;1 ø 66V NS27 Reduce test separator pressure to process Equipment Safe Out HP1 9/1/03 3:05 PM 9/1/03 3:16 PM 11 Wireline is using test separator to vent gas during f) tubing patch removal. pressure prior to de-pressuring to atmosphere. ~01--~ 9/1/03 3:21 PM 9/1/03 3:41 PM 20 26 Wireline is using test separator to vent gas during NS27 Reduce test separator pressure to process Equipment Safe Out HP1 -\\ð0 ~ ' tubing patch removal. pressure prior to de-pressuring to atmosphere. ~ 9/1/03 4:57 PM 9/1/03 5:00 PM 3 4 Wireline is using test separator to vent gas during NS27 Reduce test separator pressure to process Equipment Safe Out HP1 ...- tubing patch removal. pressure prior to de-pressuring to atmosphere. \1J6~~ ~~'- 9/1/03 5:30 PM 9/1103 5:39 PM 9 10 Wireline is using test separator to vent gas during NS27 Reduce test separator pressure to process Equipment Safe Out HP1 tubing patch removal. - pressure prior to de-pressuring to atmosphere. ~@/ 9/2103 3:25 PM 9/2103 4:04 PM 39 58 NS-27 Pull patch work Do work over on well. Well Outage HP1 9/2103 10:35 PM 9/2103 10:39 PM 4 2 AOGCC well testing Done Bi-Annual Well Outage LP 9/4/03 1 :22 AM 9/4103 1 :59 AM 37 242 Load bank tie-in PI~ plant SID Plant Integrity HP1 c§) 9/4/03 2:39 AM 9/4103 2:56 AM 17 11 Load bank tie-in Plant SID Plant SID Plant Integrity LP - ~~\\) 9/4/03 3:02 AM 9/4/03 3:46 AM 44 38 Load bank tie-in Plant SID Plant SID Plant Integrity LP -' \1J,W'-- 9/4103 3:54 AM 9/4/03 4:05 AM 11 8 Load bank tie-in Plant SID Plant SID Plant Integrity LP - 'Î""\~ 9/4/03 6:31 AM 9/4103 6:35 AM 4 6 )\4-µ,Œ j'~ Plant SID Plant Integrity HP1 Load bank tie-In Plant SID Ó'>CV 9/4/03 7:03 AM 9/4103 7:06 AM 3 4 Load bank tie-in Plant SID Plant SID Plant I ntegrity HP1 9/4/03 7:27 AM 9/4/03 7:31 AM 4 5 Load bank tie-in Plant SID Plant SID Plant Integrity HP1 --- r5l03 1 :35 AM 9/5/03 1 :37 AM 2 Startup of plant after 13.8 Breaker installation. None Plant Startup LP 1 of 3 Start DatelTime End DatelTime Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare €> 9/5103 1:47AM 9/5103 1 :55 AM 8 29 Startup of plant after 13.8 Breaker installation. None Plant Startup HP1 \1,cJ ~ 9/5103 2:13 AM 9/5103 2:17 AM 4 6 Startup of plant after 13.8 Breaker installation. None Plant Startup LP /bÛ1..--~ 9/5103 2:24 AM 9/5103 2:28 AM 4 5 Startup of plant after 13.8 Breaker installation. None Plant Startup LP ~(}J\J~ ~ 7,blM.lj-- ~, 9/5103 2:32 AM 9/5103 3:01 AM 29 115 Startup of plant after 13.8 Breaker installation. None Plant Startup HP1 ,"'p tL~ 9/5103 3:37 AM 9/5103 3:41 AM 4 6 Startup of plant after 13.8 Breaker installation. None Plant Startup LP 9J~ 9/5103 4:15 AM 9/5103 4:19 AM 4 5 Startup of plant after 13.8 Breaker installation. None Plant Startup HP1 9/5103 4:24 AM 9/5103 4:38 AM 14 17 Startup of plant after 13.8 Breaker installation. None Plant Startup HP1 9/5103 6:08 AM 9/5103 6:22 AM 14 Startup of plant after 13.8 Breaker installation. None Plant Startup HP1 9/6103 8:48 PM 9/6103 8:52 PM 4 2 Stater problems on A-Solar REPAIR Solar A Start Gas LP 9/6103 9:19 PM 9/6103 9:48 PM 29 11 Stater problems on A-Solar REPAIR Solar A Start Gas LP 9m03 7:36 AM 9m03 7:44 AM 8 12 Started Solar A. N/A Solar A Start Gas LP 9m03 9:51 AM 9m03 9:58 AM 7 35 Purge HPA prior to start attempt. Start attempt. Equipment Outage HP1 9m03 10:03 AM 9m03 10:06 AM 3 3 Purge HPA prior to start attempt. Start attempt. Equipment Outage HP1 9m03 10:05 AM 917/03 10:10 AM 5 5 HPA Start Attempt. None. HPA Start Gas LP 917/03 10:18 AM 9m03 10:23 AM 5 5 HPA Start Attempt. None. HPA Start Gas LP 9m03 11:17 AM 9m03 11 :21 AM 4 5 HPA Start Attempt. None. HPA Start Gas LP 9m03 7:05 PM 9m03 7:38 PM 33 13 Started A Solar N/A Solar A Start Gas LP 9/8103 5:14 PM 9/8103 5:21 PM 7 11 Start A Solar N/A Solar A Start Gas LP 9/10/03 10:15 AM 9/10/03 10:22 AM 7 11 Normal start-up sequence. Normal start-up sequence. Solar A Start Gas LP 20f3 ". , Start DatelTime End DatelTime Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare 9/24/03 10:44 PM 9/24/03 10:48 PM 4 5 HPA Start Gas LP 9/24/03 11:17 PM 9/24/03 11 :21 PM 4 5 2nd attempt. HP A Start Gas LP Group Total: 786 ~ned GreaterThan1 Hour 9/4/03 2:47 AM 9/4/03 5:49 AM 182 1,388 Load bank tie-in Plant SID Plant SID Plant Integrity HP1 éj) [""" ." 'M 9/5103 8:54 AM 267 573 Startup of plant after 13.8 Breaker installation. None Plant Startup LP 9/5103 7:29 AM 9/5103 9:12 AM 103 178 Startup of plant after 13.8 Breaker installation. None Plant Startup HP1 Group Total: 2,139 Unplanned LessThan1 Hour Group Total: 2,892 Unplanned GreaterThan1 Hour 9m03 8:52 PM 9m03 11:20 PM 148 211 PSLL·1060 failed Resulting in Plant OSD By-passed & restarted LP Compressor Plant Integrity LP Group Total: 211 Report Total: NOTE: BP met with the AOGCC 10/13/03 regarding flare reporting at Northstar. Modifications discussed will be incorporated in next month's report. r;-Sf-- \ \ \<\( to 30f3 - ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Facility Northstar Field(s) Northstar MonthNear of Disposition Oct-03 Disposition Volume MCF* *Indicate contribution of each pool to total. Pool Name o e Percent 1. Sold o 2. Reinjected 9,633,359 3. Flared or vented less than 1 hour 4,254 4. Flared or vented greater than 1 hour (Supplemental report required--See 20 AAC 25.235) 833 5. Pilot and Purge 2,759 1. Safety 'l> 3? MCF 5/:;1:-- 6. Used for lease operations o 550,181 42,855 9294 o 7. Other 2. Lease MCF TOTAL items 1-7 10,243,535 3. Conserv. Purposes MCF 8. NGL gas equivalent produced o 9. Purchased gas 3,791,877 PURCHASED GAS USED FOR FUEL PILOT PURGE AND INJECTION 10. Transferred from: 11. Transferred to: I hereby certify that the foregoing is true and correct to the best of my knowledge. Signature p.O. Title (VI.~ -rA-'.k Date Note: All volumes must be corrected to pressure of 14.65 psia and to a temperature of 60 degrees F. Report due by the 20th of the month following the month of disposition. Authority 20 AAC 25.235. Form 10-422 Rev. 4/95 Start DatelTime End DatelTime Minutes MCF IncidentlCause Description Remediation Taken Event Type Flare Planned LessThan1Hour 10/25/03 7:52 AM 10/25/03 8:01 AM 9 44 HP B purge sequence started after shutdown @ 0450. Normal purge prior to HP B start. Upset HP1 10/25/03 10:07 PM 10/25/03 10:17 PM 10 46 Meter calibration PM complete Meter Problem LP 10/25/03 10:22 PM 10/25/03 10:25 PM 3 67 Meter calibration PM complete Meter Problem HP1 10/25/03 10:33 PM 10/25/03 10:40 PM 7 190 Meter calibration PM complete Meter Problem HP2 10/26/03 4:03 PM 10/26/03 4:07 PM 4 67 Replace & Calibrate Transmitter N/A Equipment Outage HP1 10/26/03 4:10 PM 10/26/03 4:32 PM 22 1,561 Replace & Calibrate Transmitter N/A Equipment Outage HP2 10/26/03 4:26 PM 10/26/03 4:34 PM 8 4 Replace & Calibrate Transmitter N/A Equipment Outage LP 10/26/03 4:43 PM 10/26/03 4:47 PM 4 17 Replace & Calibrate Transmitter N/A Equipment Outage LP 10/26/03 6:00 PM 10/26/03 6:21 PM 21 806 Replace & Calibrate Transmitter N/A Equipment Outage HP2 10/2/03 11 :20 AM 10/2/03 11 :36 AM 16 6 Restart attempt on Solar A Solar A Start Gas LP 10/2/03 12:00 PM 10/2/03 12:03 PM 3 Restart attempt on Solar A Solar A Start Gas LP 10/2/03 3:50 PM 10/2/03 3:56 PM 6 12 Restart attempt on Solar A Solar A Start Gas LP 10/2/03 4:00 PM 10/2/03 4:06 PM 6 13 Restart attempt on Solar A Solar A Start Gas LP 10/30/03 8:53 AM 10/30/03 9:02 AM 9 12 Restart of compressor after going down on high 5th stage Inspected vibration switch HPA Start Gas LP discharge temp 10/3103 1 :53 PM 10/3103 1 :59 PM 6 12 Solar A started for competancy check. Solar A Start Gas LP 10/3103 4:39 PM 10/3103 4:46 PM 7 12 Solar 'C' flamed out, start required on Solar 'A'. Solar A Start Gas LP 10/25/03 8:01 AM 10/25/03 8:05 AM 4 6 start of HP B after shutdown. HPB Start Gas LP 10/24/03 3:29 PM 10/24/03 3:37 PM 8 12 started HPA following unplanned shut down N/A HPA Start Gas LP 10/5/03 9:35 AM 10/5/03 9:43 AM 8 12 Startup of the" A " Solar. None, Normal startup sequence. Solar A Start Gas LP 10/5/03 4:30 PM 10/5/03 4:37 PM 7 11 Startup of the" A " Solar. None, Normal startup sequence. Solar A Start Gas LP 1 of 2 ~, Start DatelTime Unplanned End DatelTime LessThan1 Hour Minutes MCF Group Total: 2,909 Group Total: 1,345 Unplanned GreaterThan1Hour 10/14/03 12:07 PM 10/14/03 1 :38 PM 10/14/03 12:33 PM "-----:?> 10/25/03 4:31 AM 10/25/03 5:13 AM " Mr$ 'S j~ 91 I~ bJ t{? 10/14/03 1 :58 PM 85 10/25/03 6:25 AM 114 345 10/25/03 6:18 AM to l (7 65 73 Group Total: Report 833 62l4~- ,,!,~ Incident/Cause Description ~7 ftClftv'J8 roL(f~ Errant closure of SDV-1030 caused well and oil train OSD. The LP compressor went down on 10 first stage suction Errant closure of SDV·1030 caused well and oil train OSD. The LP compressor went down on 10 first stage suction LP Compressor shutdown and production shutdown. LP compressor shutdown continued. ( q "Z-Þ-t;~ ' ) {qq.41,o /vtcf ) ? Remediation Taken Event Type Flare nJ'¿~ ----\ib ~~ ~ q'Z- ¡..tcJF Troubleshoot SDV-1030 and restart LP compressor Equipment Outage HP1 Troubleshoot SDV·1030 and restart LP compressor Equipment Outage LP Equipment Outage HP1 Upset LP i,t l.:P ~~S5(J;a- døU-M.. C~--to WL¿~ é)sf) C~seJ. B kJ bOõ~ptL~f elL <;CJì4{¡-e~ fte/S5~ 2 of 2 ..- I(le,; d G-flt / Cd\)~t':.- ,,'W<"WM'''~_=''_~~'''''''''''''='''''''''~ ED. ALlBRATION ATE TRANSMITTER RT ATTEMPT ON SOLAR A T OF COMPRESSOR AFTER GING DOWN ON HI( E DISCHARGE TEMP LAR A STARTED FOR COMPETANCY CHECK. R 'C' FLAMED OUT, START REQUIRED START OF HP B AFTER SHUTDOWN. RTED HPA FOLLO ARTUP OF THE" A " SOLAR. "/ l ~ (t., £ lkfL ~\-;?IOtJ-CÝ 31 z.D JJvcÇ- 44-30 Mi2P 1- -;HJCA>~ (7k~ ~'^"''''''''''''''''''''~''''''''''''''''''''~''' PLETE TED VIBRATION SWITCH -"~ <2:2 ..",. '"? V .:;> :? i'-{C-F- 4z~2} MC.F 60<'57 MCt- 4\ 10 -4Z--z:... ! , 'i. ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Facility Northstar Field(s) Northstar Disposition Volume MCF* 1. Sold 0 2. Reinjected 8,340,782 3. Flared or vented less than 1 hour 5,855 4. Flared or vented greater than 1 hour 2,708 :./ (Supplemental report requlred..See 20 AAC 25.235) 5. Pilot and Purge 2,670 6. Used for lease operations Assist 0 Fuel (at iSland) 495,720 Fuel (Caribou Crossing) 41 ,762 Fuel IPS#1 htr\ 8386 7. Other 0 TOTAL items 1-7 8,897,883 8. NGL gas equivalent produced 0 9. Purchased g/ts 3,407,317 PURCHASED GAS USED FOR FUEL PILOT PURGE AND INJECTION 10. Transferred from: 11. Transferred to: I hereby certify that the foregoing is true and correct to the best of my knowledge. Signatureá~ ~~k Title VO\.. A-c..c...t.. Date I'¡. 1 Form 1 0-422 Rev. 4/95 MonthNear of Disposition Nov-03 *Indicate contribution of each pool to total. Pool Name lioae Percent I ()O ~7A 1 . Safety 7....70 ß MCF -:::lDa-- 2. Lease MCF MCF Note: All volumes must be corrected to pressure of 14.65 psia and to a temperature of 60 degrees F. Report due by the 20th of the month following the month of disposition. Authority 20 MC 25.235. <Flar~ I{ep0l"t NORTHSTAR M ,> o~" ,. o~ ="" =, 0'" " " ' Start DeteITlme End DeteITlme Minutes MCF incident/Cause Description Remediation Taken Event Type Fla... Pllnnld Le..Thln1Hour 11/9/03 9:39 AM 11/9103 9:44 AM 5 16 Attempt start on A Solar. None, normal startup sequence. Solar A Start Gas HP1 ~ cp\v 11/9103 12:56 PM 11/9/03 1:04 PM 8 10 Attempt start on A Solar. None, normal startup sequence. Solar A Start Gal LP <S~ 1119/03 4:58 PM 11/9103 5:02 PM 4 6 Attempt start on A Solar. None, normal startup sequence. Solar A Start Gas LP Ð 1119/03 5:10 PM 11/9/03 5:13 PM 3 Attempt Stlrt on A Solar. None, normal startup sequence. Solar A Start Gas LP 11/9103 5:16 PM 11/9/03 5:25 PM 9 19 Attempt start on A Solar. None, normal startup sequence. Solar A Start Gas LP ~: -- 11/12/03 8:16 AM 11/12/03 9:12 AM 56 98 Bleed down NS31 cuing through the test separator. Complete bleedown. Equipment Safe Out HP1 11/12/03 11:39 AM 11/12/03 11:49 AM 10 16 Bleed down NS31 casing through the test separator. Complete bleedown. Equipment Safe Out HP1 ~~ ^ c~ \ ,Sf ee.J ~ .\.,..)-.~._5 11/12/03 9:08 PM 11/12/03 9:20 PM 12 15 Bleed down NS31 casing through the test separator. Complete bleedown. Equipment Safe Out HP1 ø 11/13103 4:01 AM 14 21 Complete bleedown, line up to normal operations. Equipment Safe Out HP1 I , 11/22/03 10:08 AM N,... 50 67 leedlng NS27 Inner Annulus to de-pressured Test Separtor. None Equipment Safe Out HP1 ;11/22/039:18AM I...>;:: '7 6(eel 111/18103 1:21 AM 11/18103 1 :30 AM 9 14 Bleedown NS27thru Test Separator. Complete Bleedown. Equipment Safe Out HP1 ¡ NS 2} J),( €.( t'- "" ~ 11/18103 1:28 AM 3 3 Bleedown NS27 thru Test Separator. Complete Bleedown. Equipment Safe Out LP G.~~~~ 3 3 Bleedown NS27 thru Test Saparator. Complete Bleedown. Equipment Safe Out LP - 11/14/03 12:43 AM 11/14/03 12:57 AM 14 29 ( Bleedown NS31 Flowline thru the test separator. Complete bleedown, return valvlng to normal. Equipment Safe Out LP 11/17/03 7:08 AM 11/17/03 7:12 AM 4 14 HPA Compressor down for maintenance, bleedown for None necelslry Equipment Safe Out HP1 safeout. 11/17/03 7:26 AM 11/17/03 7:33 AM 7 10 HPA Compressor down for maintenance, bleedown for Complete bleedown. Equipment Safe Out LP safeout. 11/17/03 10:19 AM 11/17/03 10:48 AM 29 216 HPA Compressor down for maintenance, bleedown for Complete bleedown. Equipment Safe Out HP1 safeout. 11/17/03 9:09 PM 11/17/03 9:17 PM 8 35 HPA compressor logic upgrade for step to Idle and testing None necessary. Performance testing HPA Start Gas HP1 Flare l(eport NORTH STAR Slart DateITlme End DateITlme Minutes MCF Incident/Cause Descrlpllon Remedlallon Taken Event Type Flare 11/17/03 9:20 PM 11/17/03 9:23 PM 3 4 HPA compressor logic upgrsde for step to Idle snd tesllng None necessary. Performance testing HPA Stert Gas HP1 i i ¡ I 11/17/03 9:22 PM 11/17/03 9:26 PM 4 5 HPA compressor logic upgrade for step to Idle and tesllng None necessary. Performance tesllng HPA Start Gas LP j 11/17/03 9:35 PM 11/17/03 9:38 PM 3 5 HPA compressor logic upgrade for step to Idle and tesllng None necessary. Performance testing HPA Start Gas LP 11/17/03 9:53 PM 11/17/03 9:57 PM 4 5 HPA compressor logic upgrsde for step to Idle and tesllng None necessary. Performance tesllng HPA Slart Gas LP ~~ø 11/17/03 10:04 PM 11/17/03 10:08 PM 4 5 HPA compressor logic upgrade for step to Idle and tesllng None necessary. Performance testing HPA Start Gas LP ~ ut \O~\è ~~(7J-I 11/17/03 10:20 PM 11/17/03 10:24 PM 4 5 HPA compressor logic upgrade for step to Idle and tesllng None necesaary. Performance tesllng HPA Start Gas LP 'ð) \ 11/17/03 10:36 PM 11/17/03 10:39 PM 3 5 HPA compressor logic upgrada for step to Idle and tesllng None necessary. Performance tesllng HPA Start Gas LP 11/17/03 10:54 PM 11/17/03 11:14 PM 20 108 HPA compressor logic upgrade for step to Idle and tesllng None necessary. Performance tesllng HPA Slart Gas HP1 f 11/18/03 7:45 AM 11/18/03 8:08 AM 23 62 HPA compressor logic upgrade for step to Idle and tesllng None necessary. Performance tesllng Plant Integrity HP1 J ( 11/18/03 8:08 AM 11/18/03 8:12 AM 4 5 HPA compressor logic upgrade for step to Idle and testing None necessary. Performance testing Plant Integrity LP 11/18/03 8:30 AM 11/18/03 8:34 AM 4 5 HPA compressor logic upgrade for step to Idle and tesllng None necessary. Performance testing Plant Integrity LP ì ! 11/18/03 8:58 AM 11/18/03 9:17 AM 19 102 HPA compressor logic upgrade for step to Idle and testing None necessary. Performance testing Plant Integrity HP1 i 11/18/03 9:34 AM 11/18/03 9:42 AM 8 35 HPA compressor logic upgrade for step to Idle and testing None necessary. Performance testing Plant Integrity HP1 ! 11/18/03 9:44 AM 11/18/03 9:48 AM 4 6 HPA compressor logic upgrade for step to Idle and testing None necessary. Performance testing Plant Integrity LP \ i \ 11/18/03 12:54 PM 11/18/03 1:02 PM 8 13 HPA compressor logic upgrade for step to Idle and testing None necessary. Performance testing Plant Integrity LP t"''' ~ 11/18/03 2:34 PM 3 2 HPA compressor logic upgrade for step to Idle and testing None necessary. Performance testing Plent Integrity HP1 Flare Report NORTH STAR Start DateITlme End DateITlme Minutes MCF Incident/Cause Description Remediation Taken Event Type Flare r1/15103 9:55 AM 11/15103 9:59 AM 4 8 HPB Blowdown. Complete bleedown. Commissioning HP1 I 11/15103 10:09 AM 11/15103 10:15 AM 6 9 HPB Blowdown. Complete blowdown. HPB Start Ges LP ¡ I 11/16/03 12:59 AM 11/16/03 1:09 AM 10 20 HPB compressor logic upgrade tor step to Idle and testing None necessary. Performance testing Plant Integrity LP 11/16/03 2:29 AM 11/16/03 2:38 AM 9 41 HPB compressor logic upgrade tor step to Idle and testing None necessary. Performance testing Plant Integrity HP1 11/16/03 2:40 AM 11/16/03 2:46 AM 6 10 HPB compressor logic upgrade tor step to Idle and testing None necessary. Performance testing Plant Integrity HP1 11/t6/03 2:46 AM 11/16/03 2:50 AM 4 6 HPB compressor logic upgrade tor step 10 Idle and testing None necessary. Performsnce tesllng Plant Inlegrlty LP 11/16/03 2:49 AM 11/16/03 3:08 AM 19 146 HPB compressor logic upgrade tor slep 10 Idle and lestlng None necessary. Performsnce lestlng Plsnl Inlegrlty HP1 J~o~ 11/16/03 3:10 AM 11/16/03 3:14 AM 4 6 HPB compressor logic upgrade tor slep 10 Idle and lestlng None necessery. Performance lestlng Planllnlegrlty LP .~~ I Ct ,~c. . I \~~~èû-- .I 11/16/03 3:13 AM 11/16/03 3:33 AM 20 114 HPB compressor logic upgrade tor slep 10 Idle and tesllng None necessery. Performance lesllng Planllnlegrlty HP1 11/16/03 3:50 AM 11/16/03 3:58 AM 8 41 HPB compressor logic upgrade tor step 10 Idle and lestlng None necessary. Performance testing Plant Inlegrlty HP1 ® I 11/16/03 4:00 AM 11/16/03 4:04 AM 4 6 HPB compressor logic upgrade tor slep 10 Idle and lestlng None necessary. Performance testing Planllntegrlty LP í \ 11/16/03 4:48 AM 11/16/03 5:14 AM 26 262 HPB compressor logic upgrade tor step to Idle and lestlng None necessary. Performance lestlng Planllnlegrlty HP1 \ \ i \ 11/16/03 5:16 AM 11/16/03 5:27 AM 11 20 HPB compressor logic upgrade tor slep 10 Idle and lestlng None necessary. Performance lestlng Plant Inlegrlty LP , \ I 11/16/03 5:24 AM 11/16/03 5:46 AM 22 118 HPB compressor logic upgrade for slep to Idle and lesllng None necessary. Performance lesllng Planllnlegrlty HP1 \ Planllnlagrlly \ 11/16/03 7:37 AM 11/16/03 7:45 AM 8 40 HPB compressor logic upgrade for slep 10 Idle and lestlng None necessary. Performance lestlng HP1 \ UN"" ".,.. 11/16/03 7:52 AM 5 6 HPB compressor logic upgrade tor slep to Idle and lestlng None necessery. Performance lestlng Plant Inlegrlty LP \11/16/03 8:01 AM 11/16/03 8:26 AM 25 181 HPB compressor logic upgrade tor slep 10 Idle and testing None necessary. Performance lestlng Planllnlegrlly HP1 Flare Report NORTHSTAR Sjrt DateITlme End DateITlme Minutes MCF incident/Cause Description Remediation Taken Event Type Flare 11/16103 9:00 AM 11/16103 9:08 AM 8 40 HPB compressor logic upgrade for step to Idle and testing None necessary. Performance testing Plant Integrity HPI 11/16103 9: 11 AM 11/16103 9:15 AM 4 6 HPB compressor logic upgrade for step to Idle and testing None necessary. Performance testing Plant Integrity LP 11/16103 10:01 AM 11/16103 10:11 AM 10 16 HPB compressor logic upgrade for step to Idle and testing None necessary. Performance testing Plant Integrity LP 11/16103 10:25 AM 11116103 10:29 AM 4 6 HPB compressor logic upgrade for step to Idle and testing None necessary. Performance testing Plant Integrity LP 11/16103 10:46 AM 11/16103 10:55 AM 9 15 HPB compressor logic upgrade for step to Idle and testing None necessary. Performance testing Plant Integrity LP ® 11/16103 11:04 AM 11/16103 11:32 AM 28 239 HPB compressor logic upgrade for step to Idle and testing None necessary. Performanca testing Plant Integrity HPI 11/16103 12:32 PM 11/16103 12:40 PM 8 41 HPB compressor logic upgrade for step to Idle and testing None necessary. Performance testing Plant Integrity HPI 11/16103 t2:42 PM 11/16103 12:48 PM 6 10 HPB compressor logic upgrade lor step to Idle and lestlng None necessary. Performance lestlng Planllnlegrlty LP 11/16103 12:56 PM 11/16103 1:00 PM 4 6 HPB compressor logic upgrade for step to Idle and lestlng None necessary. Performance lestlng Plant Integrity LP 11/16103 12:57 PM 11/16103 1:25 PM 28 58 HPB compressor logic upgrade for slep 10 Idle and lestlng None necessary. Performance testing Plant Integrity HPI ) 11/161033:09PM 11/16103 3:14 PM 5 6 HPB compressor logic upgrade for step 10 Idle and lestlng None necessary. Performance testing Plant Inlegrlty HPI L'N"'" .,,"" 11/16103 4:29 PM 3 3 HPB compressor logic upgrade for Slep 10 Idle and testing None necessary. Performance lestlng Planllntegrlty HPI 11/29/03 1:18 PM 11/29/03 1:44 PM 26 28 Normal flaring during production restart for warming 011 None necessary. 4160 Iransformer stili out of Equipment Outage LP sales line to PS·I. service along with all 4160 V equipment 11/29/03 3:30 PM 11/29/03 3:49 PM 19 22 Normal flaring during production reslart for warming 011 None necessary. 4160 transformer stili out of Equipment Outage HPI ~ sales line to PS·I. service along with all 4160 V equipment Q~ ~~ 11/29/03 3:39 PM 11/29/03 4:32 PM 53 108 Normal flaring during production restart for warming 011 None necessary. 4160 transformer stili out of Equipment Outage LP @ sales line to P5-1. service along with all 4160 V equipment 11/29/03 4:02 PM 11/29/03 4:34 PM 32 41 Normal flaring during production restart for warming 011 None necessary. 4160 transformar stili out of Equipment Outage HPI sales line to P5-1. service along with all 4160 V equlpmenl .. Flare I~eport NORTHSTAR ~ , Stlrt DlteITlme End DlteITlme Minutes MCF IncldentlCluse Descrtptlon Remedlltlon Tlken Event Type Fllre ø 11/29/03 4:35 PM 11/29/03 4:58 PM 23 26 Normal fllrlng during production restart for wlrmlng 011 None necessary. 4160 trensformer stili out of Equipment Outlge HP1 sales line to PS-1. service Ilong with III 4160 V equipment 11/29/03 4:38 PM 11/29/03 4:51 PM 13 14 Normal flaring during production restart for warming 011 None necessary. 4160 transformer stili out of Equipment Outage LP sales line to P5-1. service along with all 4160 V equipment ~ 11/28/03 8:38 AM 11/28/03 8:44 AM 6 10 Shut down Sollr A at 0600 for scheduled maintenance Stlrter gas only. No remediation necessary Solar A Start Gas LP ~'W checks Ind restarted It at 0838. ,. \{. 11/27/03 4:58 PM 11/27/03 5:02 PM 4 6 Starting Solar A for planned equipment maintenance check None necessary Solar A Start Gas ~N~- LP (Q 7/03 5:04 PM 11/27/03 5:10 PM 6 11 Starting Solar A for planned equipment maintenance check None necessary Solar A Start Gas LP Group Total: 2,713 Planned GreaterThan 1 Hour (0 [H">Jœ H'" '" 11/13103 1:06 AM 83 98 Bleed down NS31 through test sepsrator. Complete bleedown, line up to normal operations. Equipment Safe Out HP1 11/13103 8:22 PM f1/13103 9:31 PM 69 83 Bleed down NS31 through test separator. Complete bleedown, line up to normal operations. Equipment Safe Out HP1 @ [H''''' "" '" 11/29/03 3:29 PM 135 160 Normal flartng during production restart for warming 011 None necessary. 4160 transformer stili out of Equipment Outage HP1 ~ sales line to PS-1. service along with all 4160 V equipment 11/29/03 t :48 PM 11/29/03 3:31 PM 103 186 Normal flaring during production restart for warming 011 None necesslry. 4160 transformer stili out of Equipment Outage LP sales line to PS-1. service along with all 4160 V equipment Group Total: 527 Unplanned LessThan1Hour 11/7/03 12:42 PM 11/7/03 12:47 PM 1st. stg. scrubber upset, Flared off of LP Separator. Stop pumping Into HP flare scrubber, troubleshoot Upset LP system. 11/7/03 10:15 PM 11/7/03 10:34 PM 19 23 1st. stg. suction scrubber upset, flared off of LP Separator. Stopped pumping Into HP flare scrubber, Upset LP troubleshoot system. Narrowed problem down to tuning on PT-1060, LP Separator pressure control. 11/21/03 11:12 AM 11/21/03 11 :21 AM 9 21 Alyelkl Initiated PLC RE-Boot causing 011 pipe line valves to All wells shut In. Restart facility Upsat LP close at PSI/1 Heater 11/21/03 11:28 AM 11/21/03 11:32 AM 4 5 Alyeskl Initiated PLC RE-Boot causing 011 pipe line valves to All wells shut In. Restart facility Upset HP1 close at PSI/1 Hester FlalAe Report NORTHSTAR Start DateITlme End DateITlme Minutes MCF incident/Cause Description Remediation Taken Event Type Flere 11/21/03 12:00 PM 11/21/03 12:08 PM 8 3 Alyeska Initiated PLC RE-Boot causing 011 pipe line valves to All wells shut In. Restart facility Upset LP close at PS'1 Heater 11/21/03 12:17 PM 11/21/03 12:22 PM 5 3 Alyeske Initiated PLC RE-Boot causing 011 pipe line valves to All wells shut In. Restart facility Upset LP close at PSl1 Heater 6f. L (:1/22/03 10:1t AM 11/22/03 10:36 AM 25 35 Bleeding NS21 Inner Annulus to de-pressured Test 5epartor. None Equipment Safe Out HP1 11/21/03 8:13 AM 9 32 Catastrophic failure of the 4160v transformer led to a plant All production wells and LP compressor SID. Equipment Outage LP OSD. Waiting on replacement of 4160 transformer. ~b~ 11/21/03 8:05 AM 11/21/03 8:13 AM 8 18 Catastrophic failure of the 4160v transformer led to a plant All production wells and LP compressor SID. Equipment Outage HP1 OSD. Waiting on replacement of 4160 transformer. ·¡l·~ ()r 4--\ bO ~ 11/27/03 8:f9 AM 11/27/03 8:55 AM 36 45 Catastrophic failure of the 4160v transformer led to a plant All production wells and LP compressor SID. Equipment Outage HP1 050. Waiting on replacement of 4160 transformer. ~C? @ 11/27/03 8:31 AM 11/27/03 8:43 AM 6 12 Catastrophic failure of the 4160v transformer led to a plant All production wells and LP compressor SID. Equipment Outage LP 050. Waiting on replacement of 4160 transformer. 11/27/03 9:03 AM 11/27/03 9:09 AM 6 9 Catastrophic failure of the 4160v transformer led to a plant All production wells and LP compressor SID. Equipment Outage LP 050. Waiting on replacement of 4160 transformer. 11/27/03 9:19 AM 11/27/03 9:25 AM 6 10 Catastrophic failure of the 4160v transformer led to a plant All production wells and LP compressor SID. Equipment Outage LP OSD. Waiting on replacement of 4160 transformer. 11/27/03 9:23 AM 11/27/03 9:28 AM 5 9 Catastrophic failure of the 4160V transformer led to a plant All production wells and LP compressor SID. Equipment Outage HP1 OSD. Waiting on replacement of 4160 transformer. 11/27/03 9:32 AM 11/27/03 9:35 AM 3 3 Catastrophic failure of the 4160v transformer led to a plsnt All production wells and LP compressor SID. Equipment Outage HP1 OSD. Waiting on replacement of 4160 transformer. 11/27/03 9:49 AM 11/27/03 10:15 AM 26 207 Catastrophic failure of the 4160v transformer led to a plant All production wellS and LP compressor SID. Equipment Outage HP1 OSD. Waiting on replacement of 4160 transformer. , 11/27/03 10:01 AM 11/27/03 10:01 AM 6 10 Cataatrophlc failure of the 4160V transformer led to a plant All production wella and LP compressor SID. Equipment Outage LP OSD. Waiting on replacement of 4160 transformer. ... Flate Report NORTHSTAR Start Daterrlme End Daterrlme Minutes MCF incident/Cause Description Remediation Taken Event Type Flare l~'·M~ 11/27/03 10:15 AM 6 11 Catastrophic failure of the 4160v transformer lad to a plant All production wells and LP compressor SID. Equipment Outage LP OSD. Waiting on replacement of 4160 transformer. 11121/03 10:35 AM 11/27/03 11:16 AM 41 267 Catastrophic failure of the 4160v transformer led to a plant All production wells and LP compressor SID. Equipment Outage HP1 OSD. Waiting on replacement of 4160 transformer. 11/25/03 4:18 AM 11/25/03 4:21 AM 3 4 Contactor flare during NS 29 safe out. None necessary Upset HP1 11/19/03 2:57 PM 11/19/03 3:01 PM 4 16 Drill Rig Initiated ESD of NS31 gas Injection well. Cut caribou gas. Plant Integrity HP1 11/19/03 2:15 AM 11/19/03 2:32 AM 17 7 Excess off-gas from LP seperator went to LP flare Temporary upset resolved Itself Upset LP ,.,.-..-' 11/24/03 8:24 PM 11/24/03 8:32 PM 8 21 Export pipeline ESD valve shut, leading to a plant OSD. All wells shut In. Restart facility Upset LP ('ff~ . p\Lf 11/24/03 8:42 PM 11/24/03 8:50 PM 8 9 Export pipeline ESD valve shut, leading to a plant OSD. All wella ahut In. Restart facility Upset LP ~ ® 11/24/03 8:49 PM 11/24/03 9:19 PM 30 86 Export pipeline ESD valve shut, leading to a plant OSD. All wells shut In. Restart facility Upset HP1 11/24/03 8:56 PM 11/24/03 9:16 PM 20 45 Export pipeline ESD valve shut, leading to a plant OSD. All wells shut In. Restart facility Upset LP 11/10103 7:12 PM 3 Flared off LP separator while retuning wells to production Increased fsed rate to LP compressor second Plant Startup LP after shut In for plperack move stage 11/10103 8:11 PM 11/10103 8:14 PM 3 Flared off LP separator while retuning wells to production Increased fsed rate to LP compressor second Plant Startup LP after shut In for plperack move stage 11/10103 8:19 PM 11/10/03 8:28 PM 9 10 Flared off LP seperator while retuning wells to production Increased fsed rate to LP compressor second Plant Startup LP after shut In for plperack move stage 11/10/03 8:49 PM 11/10/03 8:55 PM 6 2 Flared off LP seperator while retuning wells to production Increased fsed rate to LP compressor second Plant Startup LP after shut In for plperack move stage 27/0311:59AM 11/27/03 12:09 PM 10 40 HP A restart after 0800 shutdown. None necessary HPA Start Gas HP1 11/27/03 12:15 PM 11/27/03 12:18 PM 3 3 HP A restart after 0800 shutdown. None necessary HPA Start Gas HP1 11/27/03 12:17 PM 11/27/03 12:22 PM 5 6 HP A restart after 0800 shutdown. None necessary HPA Start Gas LP 11/27/03 2:01 PM 11/27/03 2:07 PM 6 11 HP A restart after 0800 shutdown. None necessary HPA Start Gas LP - Flare Report NORTH STAR Start Date/Tlme End Date/Tlme Mlnutea MCF IncldentlCauae Deacrlptlon Remediation Taken Event Type Flare 11/14/03 2:30 AM 11/14/03 2:55 AM 25 159 LP Compreaaor ahutdown. Reatart Compreaaor. Equipment Outage LP 11/14/03 2:31 AM 11/14/03 2:54 AM 23 126 LP Compreasor shutdown. Reatart Compreaaor. Equipment Outage HP1 1113103 11 :04 PM 11/3103 11 :43 PM 39 158 LP compressor upset caused by pumping bleed trailer fluids Investigating cause Upset LP Into the HP flare acrubber 11/4/03 6:50 AM 11/4/03 7:27 AM 37 119 LP compressor upset caused by pumping bleed trailer fluids Investigating cause Upset LP Into the HP flare scrubber 11/4/03 7:45 AM 11/4/03 7:49 AM 4 2 LP compressor upset caused by pumping bleed trailer fluids Inveatlgatlng cause Upset LP Into the HP flare scrubber 11/4/03 10:22 PM 11/4/03 10:29 PM 7 8 LP compressor upset caused by pumping bleed trailer fluids Investigating cause Upset LP Into the HP flare scrubber 11/4/03 11:45 PM 11/5/03 12:07 AM 22 37 LP compressor upaet caused by pumping bleed trailer fluids Investigating cause Upset LP Into the HP flare acrubber 11/5/03 12:13 AM 11/5/03 12:38 AM 25 51 LP compressor upset caused by pumping bleed trailer flulda Investigating cauae Equipment Outage LP Into the HP flare acrubber 11/15/03 2:12 PM 11/15/03 2:40 PM 28 224 LP Compressor. Restart Compreasor. Upaet HPI 11/17/03 11:26 AM 11/17/03 11:32 AM 6 3 Plant OSD due to HP compressor logic download All wells shut In. Restart facility Plant Integrity HP2 11/17/03 11:29 AM 11/17/03 11:38 AM 9 19 Plant OSD due to HP compressor logic download All wells shut In. Restart laclllty Plant Integrity LP 11/17/03 11:35 AM 11/17/03 11:40 AM 5 2 Plant OSD due to HP compreasor logic download All wells ahut In. Restart facility Plant Integrity HP2 11/17/03 12:15 PM 1.1/17/03 1:10 PM 55 38 Plant Reatart. None. Purge cycle complete, normal startup Plant Startup LP aequence. 11/17/03 1:11 PM 11/17/03 1:16 PM 5 8 Plant Reatart. None. Purge cycle complete, normal atartup Plant Startup HP1 sequence. 11/17/03 1:18 PM 11/17/03 1:58 PM 40 93 Plant Rastart. None. Purge cycle complete, normal startup Plant Startup HP1 sequence. 11/17/03 1:19 PM 11/17/03 1:45 PM 26 78 Plant Restart. None. Purge cycle complete, normal startup Plant Startup LP aequence. 11/17/03 1:51 PM 11/17/03 1:56 PM 5 2 Ptant Restart. None. Purge cycle complete, normal atartup Plant Startup LP aequence. 11/21/03 1 :32 AM 11/21/03 1 :45 AM 13 14 Plant upset during well switch In the test aeperator aystem. None necessary Upset LP , Flal"e Report NORTH STAR , ,., - "''''''''''''~''''' Start DateITlme End DateITlme Minutes MCF Incident/Cause Descrtptlon Remediation Taken Event Type Flare 11/2/03 1:44 AM 11/2/03 2:16 AM 32 126 Pumping cold fluids from PE trailer Into HP flare scrubber. Stopped pumping cold fluids Into HP flare Upset LP scrubber and cut production. 11/2/03 2:22 AM 11/2/03 2:32 AM 10 13 Pumping cold fluids from PE treller Into HP flare scrubber. Stopped pumping cold fluids Into HP flare Upset LP scrubber and cut production. t t/2/03 2:37 AM 11/2/03 2:48 AM It 28 Pumping cold fluids from PE trailer Into HP flare scrubber. Stopped pumping cold fluids Into HP flare Upset LP scrubber and cut production. 11/24/03 11 :26 PM 11/24/03 11:30 PM 4 6 Purge & pressure HP compressors and restart laclllty and Normal restart flartng. Remediation not necessary Plant Startup LP wells 11/24/03 9:38 PM 11/24/03 10:17 PM 39 47 Solara electrtc generators flamed out. Power outaga took Restart Solar turbine generators and HP Equipment Outage HPI down HP compressora. compressors 11/24/03 10:24 PM 11/24/03 10:48 PM 24 46 Solars electrtc generators flamed out. Power outage took Restart Solar turbine generators and HP Equipment Outage HPI down HP compressors. compressors 11/24/03 11 :06 PM 11/24/03 11:12 PM 6 12 Solars alectrlc generators flamed out. Power outage took Restart Solar turbine generators and HP Equipment Outage LP down HP compressors. compressors 11/12/03 8:12 AM 11/12/03 8:18 AM 6 12 Start· A . Solar. None, normal start sequence. Solar A Start Gas LP 11/23/03 3:28 PM 11/23/03 4:10 PM 42 108 Swaplng a well Into cold Test Separator. Install a heater up-stream of test separator. Upset LP Group Total: 3,142 Includes 557 mscf captured by flare totalizer but not Individual events Unplanned GreaterThanl Hour 11/21/03 12:08 PM 11/21/03 2:04 PM 116 854 Alyeska Initiated PLC RE-Boot causing oil pipe line valves to All wells ehut In. Restart facility Upset HPI close at PS/l1 Heater 11/21/03 12:25 PM '11/21/03 1 :34 PM 69 190 Normal flaring lor plant & LP compressor startup. None necessary Plant Startup LP 11/17/03 11 :39 AM 11/17/03 t:06 PM 87 206 Plant OSD due to HP compressor logic download All wells shut In. Restart facility Plant Integrity HPt t 1/24/03 10:50 PM tl/25/03 t2:54 AM 124 615 Purge & pressure HP compressors and restart facility and Normal facility restart. No remediation necessary Plant Startup HPI wells 11/25/03 12:33 AM 11/25/03 1:54 AM 81 154 Purge & pressure HP compressors and restart facility and Normal facility restart. No remediation necessary Plant Startup LP wells 11/25/03 12:56 AM 11/25/03 2:19 AM 83 162 Purge & pressure HP compressors and restart facility and Normal facility restart. No remediation necessary Plant Startup HPI wells Group Total: 2,181 Report Total: 8,563 - . . Flare Report NORTHSTAR .,..". "'~ ~ ""i'\""'~'!:'~~" Start DatefTIme End DatefTIme Minutes MCF IncldenUCause Description Remediation Taken Event Type # 11/7/03 12:42 pm 11/7/03 12:47 pm 5.00 4.91 1ST. STG. SCRUBBER UPSET, FLARED OFF OF LP STOP PUMPING INTO HP FLARE SCRUBBI Upset 1 SEPARATOR. TROUBLESHOOT SYSTEM. 11/7/03 10:15 pm 11/7/03 10:34 pm 19.00 23.02 1ST. STG. SUCTION SCRUBBER UPSET, FLARED OFF 01 STOPPED PUMPING INTO HP FLARE Upset 1 LP SEPARATOR. SCRUBBER, TROUBLESHOOT SYSTEM. NARROWED PROBLEM DOWN TO TUNING ON PT-1060, LP SEPARATOR PRESSURE ,,- .~'---""_._-~~"~-'"'''''~'''''->-~-~~'"~'''<'~'''~''''~""-'~"""~-<'--~.-.- CONTROL. -_._-<----_..~-~-- ,,~---- .'~ 11/21/03 11:12 am 11/21/03 2:04 pm 142.00 886.22 AL YESKA INITIATED PLC RE-BOOT CAUSING OIL PIPE LI ALL WELLS SHUT IN. RESTART FACILITY Upset 5 VALVES TO CLOSE AT E.S#L':iÉð.!É,B.__....."....."._._____. ----,-,-------------- --_.~---._,.--,------ 11/9/03 9:39 am 11/9/03 5:25 pm 29.00 52.70 ATTEMPT START ON A SOLAR. NONE, NORMAL STARTUP SEQUENCE. Solar A Start Gas 5 11/12/03 8:16 am 11/12/03 9:20 pm 78.00 128.35 BLEED DOWN NS31 CASING THROUGH THE TEST COMPLETE BLEEDOWN. Equipment Safe Out 3 SEPARATOR. ---- 11/12/03 11 :43 pm 11/13/03 9:31 pm 166.00 201.90 BLEED DOWN NS31 THROUGH TEST SEPARATOR. COMPLETE BLEEDOWN, LINE UP TO Equipment Safe Out 3 - - NORMAL OPERATIONS. 11/22/03 9: 18 am 11/22/03 10:36 an 75.00 101.08 BLEEDING NS27 INNER ANNULUS TO DE-PRESSURED T NONE Equipment Safe Out 2 SEPARTOR. ------.........---.,,- "...,.,..~ - 11/18/03 1:21 am 11/18/03 5:54 am 15.00 19.90 BLEEDOWN NS27 THRU TEST SEPARATOR. COMPLETE BLEEDOWN. Equipment Safe Out 3 NNC_'_~~' ..-.---- _.~___.--.__m~'~___.,."m ^'.,'~'.~,_."~_"".~,_.,,,,·.,w~~"^'·.~~.·'.~~·m"N~'_·^'w,~ "..._...._......_..__ ___"",.",."_'''----''''''',~_,_~,~,_~_...__~~,~v....,.."',,._.__.,,.·. ~"".'''''_."-,,~,,,,''''~- " ",-----~-,,---,-,,_._-~--"-~-- - 11/14/03 12:43 am 11/14/03 12:57 an 14.00 29.39 BLEEDOWN NS31 FLOWLINE THRU THE TEST COMPLETE BLEEDOWN, RETURN VALVIN' Equipment Safe Out 1 SEPARATOR. TO NORMAL. --. ------ 11/27103 8:04 am 11/27103 11:16 an 158.00 690.91 CATASTROPHIC FAILURE OF THE 4160V TRANSFORMEF ALL PRODUCTION WELLS AND LP Equipment Outage 12 LED TO A PLANT OSD. COMPRESSOR SID. WAITING ON REPLACEMENT OF 4160 TRANSFORMER. 11/25/03 4:18 am 11/25/03 4:21 am 3.00 3.52 CONTACTOR FLARE DURING NS 29 SAFE OUT. NONE NECESSARY Upset 1 11/19/03 2:57 pm 11/19/03 3:01 pm 4.00 16.23 DRILL RIG INITIATED ESD OF NS31 GAS INJECTION WEL CUT CARIBOU GAS. Plant Integrity 1 11/19/03 2:15 am 11/19103 2:32 am 17.00 7.26 EXCESS OFF-GAS FROM LP SEPARATOR WENT TO LP TEMPORARY UPSET RESOLVED ITSELF Upset 1 FLARE 11/24/03 8:24 pm 11/24/03 9:19 pm 66.00 160.38 EXPORT PIPELINE ESD VALVE SHUT, LEADING TO A ALL WELLS SHUT IN. RESTART FACILITY Upset 4 PLANT OSD. 11/10103 7:09 pm 11/10/03 8:55 pm 21.00 14.09 FLARED OFF LP SEPARATOR WHILE RETUNING WELLS INCREASED FEED RATE TO LP Plant Startup 4 1------- _·~~'_M PRODUCTION AFTER ~!:I..~T IN FºBPIP.§,B.t\,Ç1S,M.QYE COMPRESSOR SECONQ."ªTAGE 11/27/03 11 :59 am 11/27103 2:07 pm 24.00 59.71 HP A RESTART AFTER 0800 SHUTDOWN. NONE NECESSARY HPA Start Gas 4 ,...---- - 11/17103 7:08 am 11/17/03 10:48 an 40.00 240.24 HPA COMPRESSOR DOWN FOR MAINTENANCE, NONE NECESSARY Equipment Safe Out 3 BLEEDOWN FOR SAFEOUT. --- . ~--- 11117103 9:09 pm 11/18/03 2:34 pm 126.00 410.05 HPA COMPRESSOR LOGIC UPGRADE FOR STEP TO IDL NONE NECESSARY. PERFORMANCE HPA Start Gas 17 AND TESTING TESTING ~~~- 11/15/03 9:55 am 11/15/03 10:15 an 10.00 16.98 HPB BLOWDOWN. COMPLETE BLEEDOWN. Commissioning 2 11/16/03 12:59 am 11/16/03 4:29 pm 298.00 1,462.77 HPB COMPRESSOR LOGIC UPGRADE FOR STEP TO IDL NONE NECESSARY. PERFORMANCE Plant Integrity 27 AND TESTING TESTING 11/14/03 2:30 am 11/14/03 2:55 am 48.00 285.08 LP COMPRESSOR SHUTDOWN. RESTART COMPRESSOR. Equipment Outage 2 :0>*""" , , M;X",~'" ~~1Z<""!~§~",;:; ~='" '" . . '" x'^»= ;;; ~N;,4/i;i ,~i" "" ~. ~~~"''>\ '" = ill '%~);: ~ w'·A"-"Æ $,...", "" ~~" '"" Summarized Gas Flaring Incident Repolt Requested on: 12/16i2003 Page I of.2 ":f ¿". . Flare I{eport NORTH STAR ~""""" K æ" "'~ ~ Start Daterrlme End Daterrlme Minutes MCF Incident/Cause DescriptIon Remediation Taken Event Type # 11/3/03 11 :04 pm 11/5/03 12:38 am 134.00 374.34 LP COMPRESSOR UPSET CAUSED BY PUMPING BLEED INVESTIGATING CAUSE Upset 6 TRAILER FLUIDS INTO THE HP FLARE SCRUBBER 11/15/03 2:12 pm 11/15/03 2:40 pm 28.00 223.97 LP COMPRESSOR. RESTART COMPRESSOR. Upset 1 11/29/03 1:14 pm 11/29/03 4:58 pm 404.00 585.16 NORMAL FLARING DURING PRODUCTION RESTART FOF NONE NECESSARY. 4160 TRANSFORMEF Equipment Outage 8 WARMING OIL SALES LINE TO PS-1. STILL OUT OF SERVICE ALONG WITH ALL 4160 V EQUIPMENT 11/21/03 12:25 pm 11/21/03 1:34 pm 69.00 189.72 NORMAL FLARING FOR PLANT & LP COMPRESSOR NONE NECESSARY Plant Startup 1 STARTUP. 11/17/03 11 :26 am 11/17/03 1:06 pm 107.00 229.71 PLANT OSD DUE TO HP COMPRESSOR LOGIC DOWNLO ALL WELLS SHUT IN. RESTART FACILITY Plant Integrity 4 11/17/0312:15pm 11/17/03 1 :58 pm 131.00 219.78 PLANT RESTART. NONE. PURGE CYCLE COMPLETE, NORM Plant Startup 5 STARTUP SEQUENCE. 11/21/03 1 :32 am 11/21/03 1 :45 am 13.00 13.67 PLANT UPSET DURING WELL SWITCH IN THE TEST NONE NECESSARY Upset 1 SEPERA TOR SYSTEM. 11/2/03 1 :44 am 11/2/03 2:48 am 53.00 167.09 PUMPING COLD FLUIDS FROM PE TRAILER INTO HP FU STOPPED PUMPING COLD FLUIDS INTO H Upset 3 SCRUBBER. FLARE SCRUBBER AND CUT PRODUCTIO 11/24/03 10:50 pm 11/25/03 2:19 am 292.00 936.97 PURGE & PRESSURE HP COMPRESSORS AND RESTAR' NORMAL FACILITY RESTART. NO Plant Startup 4 FACILITY AND WELLS REMEDIATION NECESSARY 11/28/03 8:38 am 11/28/03 8:44 am 6.00 9.85 SHUT DOWN SOLAR A AT 0800 FOR SCHEDULED ::; IAK I ER GAS ONLY. NO REMEDIATION Solar A Start Gas 1 MAINTENANCE CHECKS AND RESTARTED IT AT 0838. ,_uSARY 11/24/03 9:38 pm 11/24/03 11:12 pn 69.00 105.53 SOLARS ELECTRIC GENERATORS FLAMED OUT. POWE RESTART SOLAR TURBINE GENERATORS Equipment Outage 3 OUTAGE TOOK DOWN HP COMPREª,SORS. __ AND HP COMPRESSORS 11/12/03 8:12 am 11/12/03 8:18 am 6.00 11.52 START· A . SOLAR. NONE. NORMAL START SEQUENCE. Solar A Start Gas 1 11/27/03 4:58 pm 11/27/03 5:10 pm 10.00 16.87 STARTING SOLAR A FOR PLANNED EQUIPMENT NONE NECESSARY Solar A Start Gas 2 MAINTENANCE CHECK 11/23/03 3:28 pm 11/23/03 4:10 pm 42.00 108.03 SWAPING A WELL INTO COLD TEST SEPARATOR. INSTALL A HEATER UP-STREAM OF TEST Upset 1 SEPARATOR. Report Total: 8,007 143 -. Lj J-¿{OW iJ¡~5 h/tì,!? 04' 7,5 /n'7C/r' -'/.- . ,,~":"'''. .'1"'., .' .00"1'-Z/:·_'-'.:..-:'.-n..'~,"/",.c,,~ :":"",-,:,,:,,,:,,'~.~)</:-.r:<"'''''/'''~-''><''<''J1':::,:,,:<:,'.:'. "".,..:,."...,/,' ":.,'''''''.'''':.:>:.":'':''.''',,",'',':;1''''''''':''':''::~"v·.:,·""""""",:v,··.~,.,·", '_'~,"-"'" ~."~"'".~ "'''!'' _...... "" "",,!,,,,,,.,,".~.,,,".,,._,'.:"""~" ....,... .'.". ,'. ',,,~.,,."".' ,,'."'., '..:' . '. ".' "d ."\__,"._.'. "". .".' ."". . ~. "--"t. .." "". '. '<.'h _" . . .", ."", . . """''*\I>~ '" '" ""'~ " .... . .._ '-"."', .. _.~ ~"'~~,-'" "'" ~ ..."'........, , "" ~ '" "'" s' um' 'm;rized'Gas"Flar' Îug In'c'ident Re' po' It" . Requested on: 11/16/2003 Page 2 of .:: "'-- . '. "'.... ','" ~ ".,." ,--., ,."",'" ,,' "".> , . .. ~,."",-,""" . ,. .,.. ~ , .~, ""~.,, " .... ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Facility Northstar Operator BP Exploration Alaska) Inc. Field(s) Northstar MonthNear of Disposition Dec-03 Disposition Volume MCF* *Indicate contribution of each pool to total. Pool Name o e Percent 1. Sold 6. Used for lease operations 0 8,557,927 2,564 J 6,482 2,759 0 488,691 42,969 8245 0 9,109,637 0 1 . Safety 0¡ 4f)L.-MCF J~ 2. Reinjected 3. Flared or vented less than 1 hour 4. Flared or vented greater than 1 hour (Supplemental report required·oSee 20 AAC 25.235) 5. Pilot and Purge 7. Other 2. Lease MCF TOTAL items 1-7 3. Conserv. Purposes MCF 8. NGL gas equivalent produced 10. Transferred from: 9. Purchased gas 3,740,152 PURCHASED GAS USED FOR FUEL PILOT PURGE AND INJECTION 11. Transferred to: I hereby certify that he foregoing is true and correct to the best of my knowledge. Signature Q.O. Title ýVI.<.>1t TA;-><' Date Note: All volumes must be corrected to pressure of 14.65 psia and to a temperature of 60 degrees F. Report due by the 20th of the month following the month of disposition. Authority 20 AAC 25.235. Form 1 0-422 Rev. 4/95 Start DateITime End DateITlme Planned LessThan1 Hour Group Total: Planned GreaterThan1 Hour 1217103 12:07 PM 1217103 2:52 PM 1217103 1:13 PM 12/7103 11:41 PM 1217103 2:54 PM 1217103 11:31 PM Group Total: Unplanned LessThan1 Hour Group Total: Unplanned GreaterThan1 Hour 12/17103 3:10AM 12/17/03 4:25 AM 12/8103 11:11 AM 12/8103 1 :13 PM 12/8103 11:15 AM 12/8103 12:24 PM Group Total: Report NSTR Flare Report Dec 2003.xls Minutes MCF 1,070 165 628 517 4,796 1,494 75 122 69 . 1,686 Incident/Cause Description 600 Restart wells and compressors following term shutdown associated with 4160 transformer failure 1,677 Restart wells and compressors following term shutdown associated with 4160 transformer failure 2,519 Restart wells and compressors following term shutdown associated with 4160 transformer failure 358 OSD from Loss of Power. 1,105 Purge HPA for restart. 223 Purge LP Compressor for startup. > 1 h~ ?552-McF Remediation Taken Event Type Flare None necessary Plant Startup LP None necessary Plant Startup HP1 None necessary Plant Startup LP Stopped production & Restarted power generation. Equipment Outage HP1 None, normal start sequence. HPA Start Gas HP1 None, normal start sequence. Plant Startup LP .. ... 12/17/03 3:1 12/17/03 3 10:4 T HPB AND WARM UP SO TH CE ND BLOWDOWN HPA COMPRESS E UP-SET DUE TO THE PUMPING OF COLD FLUI FLARE SCRUBBER. ESSURIZING EQUIPME D LP UP-SET WAS CORRECTED. . ,"")'115f:'x.t~ ~ I).. q '1 t~(:J9-t '~1