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Home My WebLink AboutBPXA - GC #2. ..!®%~%~/.r~/.r~/~/~'/.~/~/w/.8~/.~/e///~w~/.~P/.~'/~/J/.tl/.!~/.~/iwP/.,~/~/®'/~/i~/.N/~/!Y/.~Y.,~/4°/B/®Y~/~/.9~Y.®/.~tl/~/.s'/.~%.®/,®/.I~/®/~/.®/ICI/.A/,I'/.m/O/IA/®/e0~/.I/.~//I/•1P.YB'/~//i/W/iI/JYs4/B/B/Y~9/~°//~/.8~/.dS,~':; AGOCC GaS Disposl~lon Files 1998 BPXA -GC 2 .. ,.°p,".1f+4^YS:A1 ~i&:!akp/~%~~~.~~.~/~~~/.®Lei,~YaI~A'/,~~~i.~"i~~~L~/f~.tl/~/.~.~°i~/s~i~/®i,~L~/,@~~/~"~a9i.N;i°G~L~~.NJ,~Y~';~i.R~iiPGILiVi,44~~Ld"/aY~BL®Yfd/~/9~/~ipZ~'id"iAYJI/~~~/.~'/~b®//!~®/BLAY.~G~LdyL~9/~/~~SY/~?~Ys~ =. ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Facility GATHERING CENTER 2 Operator BP EXPLORATION ALASKA Field(s) WESTERN OPERATING AREA-PBU Month/Year of Disposition Dec-98 Disposition *Indicate contribution of each pool to total. 1. Sold 0 Pool Name Code Percent 2. Reinjected 2,460,117 PRUDHOE 640150 100 3. Flared or vented less than 1 hour 14,766 4. Flared or vented greater than 1 hour €°~, ~_° ~'~ j ~§ r, ~:. ` "''~ (Supplemental report required--See 20 AAC 25 ~ ~ .~ 1 ~` ~ ~ ~°` 7,653 5. Pilot and Purge n 23,199 6. Used for lease operations I u. ~ ~ ~ ~ ~ill'[1p;~ISSE"~st ~. 623,786 OfYicial Use Only--Flaring ,Authoii~ation > 1 hr. 1. Safety MCF 2. Lease Use MCF 3. Conserv. Purposes MCF Commissioner Date 11. Transferred to: CCP 24,497,927 7. Other 0 TOTAL items 1 - 7 3,129,521 8. NGL gas equivalent produced 0 9. Purchased gas 0 10. Transferred from: 0 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 (Revised 4/95) Remarks: r I hereby certify that the fo~egoing is tme and correct to the best of my knowledge. Signature: f ~ ~ ~ Title: SUPERVISOR 9812 FORM 10-422.x1s/FORM 10-422 • L BP EXPLORATION (ALASKA) INC. PRUDHOE BAY UNIT - GG2 GAS FLARING INCIDENT REPORT DECEMBER, 1998 Un lanned Events less than ore ual to 1 hour DATE TIME VOLUME DESCRIPTION OF INCIDENT &=CAUSE ACTION TAKEN TO ELIMINATE CAUSE 12/6/98 1449-1519 167 Not required for unplanned events which Not required for unplanned events whit 12/8/98 0937-1036 5,972 are less than or equal to 1 hour are less than or equal to 1 hour 12/8/98 1201-1218 177 12/8/98 1941-2008 413 12/9/98 0125-0150 313 12/18/98 1350-1418 2,917 12/18/98 1451-1542 3,896 12/21 /98 2037-2101 52 12/23/95 2225-2300 117 12/24/98 2256-2305 31 12/27/98 0433-0443 69 12/27/98 0507-0526 76 12/29/98 0337-0346 31 12/30/98 0001-0026 139 12/30/98 0215-0221 21 12/30/98 2148-2243 375 TOTAL 14,766 Un lanned Events reater than 1 hour =-.DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE .ACTION TAKEN TO ELIMINATE!'CAUSE 12/11/98 1030-1140 7,292 See Attachments See Attachments 12/18/98 2126-2344 361 See Attachments See Attachments TOTAL 7,653 Planned Events Less Than or Equal 1 Hour AND Not Exceeding 5000 Mcf ~ :DATE TIME VOLUME- DESCRIPTION OF INCIDENT'& CAUSE ACTION TAKEN TO ELIMINATE'CAUSE TOTAL 0 Planned Events Exceedin 1 Hour OR Exceedin 5000 Mcf DATE TIME VOLUME' DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE See Attachments See Attachments TOTAL 0 TOTAL Unplanned Events < 1 Hour 14,766 Unplanned Events> 1 Hour 7,653 Planned Events < 1 hour & not 0 exceeding 5,000 MCF Planned Events > 1 hour and 0 exceeding 5,000 MCF Pilot Purge 23.199 TOTAL FLARED VOLUME 45,618 Page 1 • REPORT NO: 98-4644 .. BPX FLARE REPORT ' PRUDHOE BAY FACILITY: GC-2 DATE: 11 Dec 98 TOTAL VOLUME: 7292 MSCF Intermittent Black TIME OF FLARING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: ~ 0:30 TO: 11:40 1 Hrs. 1 O Mins. ^ ® ^ ^ 7,292 MSCF 2. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. LPS compressor K-7000 shut down because of control/instrumentation failu re associated with a modification to control system ATP conversion. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. Equipment was restarted at 11:10 hours, slowly ramped up turbine /compressor. 2. 3. 4. 5. Rev 6/22/97 . • REPORT NO: 98-4655 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 18 Dec 98 TOTAL VOLUME: 7,174 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 13:50 TO: 14:18 0 Hrs. 28 Mins. ^ ® ^ ^ 2,917 MSCF 2. FROM: 14:51 To: 15:42 0 Hrs. 51 Mins. ^ ® ^ ^ 3,896 MSCF 3. FROM: 21 :26 TO: 23:44 2 Hrs. 18 Mins. ® ^ ^ ^ 361 MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK: _ CONTROLLED SLOWDOWN: _ OTHER: _ First Determination of Cause: 1. GLT compressor K-3200 shut down because of control/instrumentation failure associated with 13:52hrs. 2. GLT compressor K-3200 shut down because of control/instrumentation failure associated with 14:38hrs. 3. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 8°F. 4. 5. Action Taken to Stop Flaring: 1. No response taken as this was deemed to be of short duration. 2. BPX reduced production rates and shut-in 24 wells equaling 500 mmscfd. ARCO reduced production rates and shut-in 2 wells equaling 100mmscfd. Wells were shut-in or choked back starting at 15:30 hours. 3. BPX reduced production rates and shut-in 9 wells equaling 100 mmscfd. ARCO reduced production rates and shut-in 6 wells equaling 160mmscfd. Wells were shut-in or choked back starting at 2126 hours. 4. 5. Rev 6/22/97 ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION • Facility Operator Field(s) IMonth/Year of Disposition t GATHERING CENTER 2 BP EXPLORATION ALASKA WESTERN OPERATING AREA-PBU Nov-98 Disposition 1. Sold 0 2. Reinjected 1,228,261 3. Flared or vented less than 1 hour 4,166 4. Flared or vented greater than 1 hour (Supplemental report required--See 20 AAC 25.235) 639 S. Pilot and Purge 21,302 6. Used for lease operations 596,950 7. Other 0 TOTAL items 1 - 7 1,851,318 8. NGL gas equivalent produced 0 9. Purchased gas 0 10. Transferred from: 0 11. Transferred to: CCP 23,293,905 Remarks: I hereby certify~that the fo going is true and correct Signature: ~--~~ ~~,~„~-_- L,~/~ to the best of my knowledge. ~,~~~ Title: SUPERVISOR Form 10-422 (Revised 4/95) *Indicate contribution of each pool to total. Pool Name Code Percent PRUDHOE 640150 100 Ofi"icial L?s~ Un1Y-1~lariug Authorization > 1 tlr 1. Safety MCF 2. Lease Use MCF 3. Conserv. Purposes MCF Commissioner Date 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. 9811 FORM 16422.x1s/FORM 16422 BP EXPLORATION (ALASKA) INC. ~" PRUDHOE BAY UNIT - GC-2 GAS FLARING INCIDENT REPORT NOVEMBER, 1998 Unplanned Events less than or DATE TIME 11 /1 /98 1005-1027 11 /1 /98 1451-1529 11 /1 /98 1852-1924 11 /3/98 2110-2136 11/7/98 0433-0524 11/7/98 1142-1212 11 /9/98 2346-2359 11 /12/98 0448-0458 11 /13/98 1442-1500 11 /14/98 0637-0733 . 11/15/98 0954-1043 11 /16/98 .1043-1143 11/19/98 2014-2105 11 /23/98 1655-1706 11/29/98 1720-1746 _ TOTAL to 1 hour ~ JM RIPTION OF INCIDENT & CAUSE 'ACTION TAKEN TO ELIMINATE CAUSE 150 Not required for unplanned events which Not required for unplanned events whit 271 are less than or equal to 1 hour are less than or equal to 1 hour 333 271 260 125 115 83 125 361 334 388 1,063 176 iii ~, ~ ~~ Un tanned Events reater than 1 hour DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE 11/9/98 1228-2030 247 See Attachments See Attachments 11/23/98 0245-0440 392 See Attachments See Attachments TOTAL 639 Planned Events Less Than or Equal 1 Hour AND Not Exceeding 5000 Mcf ~ .DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE TOTAL • Planned Events Exceedin 1 Hour OR Exceedin 5000 Mcf DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE ' ACTION TAKEN TO ELIMINATE CAUSE See Attachments See Attachments TOTAL 0 iOTAI " Unplanned Events < 1 Hour 4,166 Unplanned Events > 1 Hour 639 Planned Events < 1 hour & not 0 exceeding 5,000 MCF Planned Events > 1 hour and 0 exceeding 5,000 MCF Pilot Purge 21 ~~ TOTAL FLARED VOLUME 26,107 Page 1 i • BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: O9 NOV 98 TIME OF FLARING: 1. FROM: 12:2$ To: 20:30 2. FROM: 23:46 To: 23:59 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: $ Hrs. 2 Mins. 0 Hrs. 13 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. REPORT NO: TOTAL VOLUME: Intermi ttent Black Yes No Smoke? Planned? ^ ® ^ ^ ® ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 98-4589 362 MscF VOLUME 247 MSCF 115 MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED SLOWDOWN: X OTHER:_ First Determination of Cause: 1. W-pad developed a leak which required emergency depressuring for the safety of personnel. W-pad glt was depressured to GC-2 for safety reasons. 2. While bringing production rates up following W-pad depressuring, unloading wells caused high transit line pressure and discharged to flare. 3. 4. 5. Action Taken to Stop Flaring: 1. Depressuring was allowed for the safety of personnel and equipment. 2. BPX reduced production rates equaling 60 mmscfd. Wells were choked back starting at 23:50 hours. 3. 4. 5. Rev 6/22/97 . REPORT NO: 98-4600 BPX FLARE REPORT ' PRUDHOE BAY FACILITY: GC-2 DATE: 16 Nov 98 TOTAL VOLUME: $$$ MSCF Intermittent Black TIME OF FLARING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 10:43 TO: 11:43 1 Hrs. 0 Mins. ® ^ ^ ^ 388 MSCF 2. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High gas transit line pressure caused by too much gas for current ambient air temperature (7*F). 2. 3. 4. 5. Action Taken to Stop Flaring: 1. Arco reduced production rates and shut-in 2 wells equaling 30 mmscfd. Wells were shut-in or choked back starting at 08:57 hours. 2, 3. 4. 5. Rev 6/22/97 REPORT NO: 98-4610 ~ BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 23 Nov 98 TIME OF FLARING: 1. FROM: 02:45 To: 04:40 2. FROM: 16:55 To: 17:06 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 1 Hrs. 55 Mins. 0 Hrs. 11 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Intermittent Yes No ® ^ ^ ^ ^ ^ ^ ^ TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 568 MSCF VOLUME 392 MSCF 176 MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 5°F. 2. High gas transit line pressure caused by gas changes 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 4 wells equaling 60 mmscfd. ARCO reduced production rates and shut-in 4 wells equaling 90 mmscfd. Wells were shut-in or choked back starting at 03:00 hours. 2. BPX reduced production rates and shut-in 2 wells equaling 25 mmscfd. Wells were shut-in or choked back starting at 17:55 hours. 3. 4. 5. Rev 6/22/97 ALASKA OII. AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION I1t ulSEti Facility Operator Field(s) Month/Year of Disposition GATHERING CENTER 2 BP EXPLORATION ALASKA WESTERN OPERATING AREA-PBU Oct-98 • Disposition 1. Sold 0 2. Reinjected 2,433,236 3. Flared or vented less than 1 hour 7,917 4. Flared or vented greater than 1 hour 2,745 (Supplemental report required--See 20 AAC 25.235) 5. Pilot and Purge 27,485 6. Used for lease operations 619,372 7.Other 0 TOTAL items 1 - 7 3,090,755 8. NGL gas equivalent produced 0 9. Purchased gas 0 10. Transferred from: 0 11. Transferred to: CCP 22,380,358 Remarks: I hereby certify that the fo/reg~ging is tnre and correct to the best of my knowledge. Signature: ' .~/ C~~_~_ ~ L ~ ~ Title: SUPERVISOR Form 10-422 (Revised 4/95) *Indicate contribution of each pool to total. Pool Name Code Percent PRUDHOE 640150 100 Official Use Onl --Flarin Authorization> 1 hr. 1. Safety MCF 2. Lease Use MCF 3. Conserv. Purposes MCF Commissioner Date 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. 9810 FORM 10-422.~ds/FORM 10-422 P Unplanned Events less than or e~ DATE TIME 10/4/98 1240-1259 10/4/98 1542-1601 10/4/98 1703-1711 10/4/98 2232-2302 10/8/98 0847-0928 10/8/98 2213-2228 10/9/98 0926-0951 10/9/98 1851-1906 10/10/98 0234-0245 10/10/98 1149-1244 10/11 /98 1734-1754 10/11/98 2324-2342 10/12/98 1526-1550 10/13/98 0324-0416 10/13/98 0843-0859 10/13/98 2125-2152 10/15/98 1539-1558 10/15/98 1918-1930 10/24/98 0007-0052 10/24/98 0207-0230 10/24/98 0658-0717 • 10/24/98 1608-1636 10/27/98 0357-0443 10/28/98 2057-2135 _ TOTAL BP EXPLORATION (ALASKA) INC. PRUDNOE BAY UNIT - GC-2 GAS FLARING INCIDENT REPORT OCTOBER, 1998 to 1 hour JME DESCRIPTION OF INCIDENT:& CAUSE' ' ACTION TAKEN TO ELIMINATE CAUSE 224 Not required for unplanned events which Not required for unplanned events whip 264 are less than or equal to 1 hour are less than or equal to 1 hour 122 130 271 84 1,302 90 100 486 194 938 260 250 444 417 233 69 292 319 101 292 639 ~4~ i,ai i Unplanned Events greater than 1 hour ~ ~~~~~ DATE TIME ', VOLUME 'DESCRIPTION OF INCIDENT & CAUSE . ACTION TAKEN TO ELIMINATE CAUSE 10/3/98 1819-1946 700 See Attachments See Attachments 10/15/98 0100-0309 492 See Attachments See Attachments 10/23/98 1141-1257 1,378 See Attachments See Attachments 10/28/98 1401-1537 175 See Attachments See Attachments TOTAL 2,745 Page 1 BP EXPLORATION (ALASKA) INC. .- ~ r PRUDHOE BAY UNIT - GC-2 GAS FLARING INCIDENT REPORT Page 2 OCTOBER, 1998 Planned Events Less Than or Equal 1 Hour AND Not Exceeding 5000 Mcf .DATE TIME VOLUME DESCRIPTION'OF INCIDENT & CAUSE !ACTION TAKEN TO ELIMINATE'CAUSE T TO AL 0 Planned Events Exceeding 1 Hour OR Exceeding 5000 Mcf DATE'. TIME VOLUME DESCRIPTION OF INCIDENT &''CAUSE' ACTION TAKEN TO'ELIMINATE CAUSE See Attachments See Attachments TOTAL 0 TQTAL Unplanned Events < 1 Hour 7,917 Unplanned Events> 1 Hour 2,745 Planned Events < 1 hour & not 0 exceeding 5,000 MCF Planned Events > 1 hour and 0 exceeding 5,000 MCF Pilot Purge 27,485 TOTAL FLARED VOLUME 38,147 • REPORT NO: J$-4526 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 03 Oct 98 TOTAL VOLUME: 700 MSCF Intermi ttent Black TIME OF FLARING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 18:19 TO: 19:46 1 Hrs. 27 Mins. ® ^ ^ ^ 700 MSCF 2. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE D ISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. LPS compressor K-7000 shut down because of control/instr umentation fail ure associated with a fault with 24 Volt breaker tripping. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 26 wells equaling 281 mmscfd. Wells were shut-in or choked back starting at 18:20 hours. 2. 3. 4. 5. i Rev 6/22/97 • • REPORT NO: 9$-4550 i + B PX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 15 Oct 98 TOTAL VOLUME: 794. MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 01:00 TO: 03:09 2 Hrs. 9 Mins. ® ^ ^ ^ 492 MSCF 2. FROM: 15:39 TO: 15:58 O Hrs, 19 Mins. ® ^ ^ ^ 233 MSCF 3. FROM: 19:18 TO: 19:30 0 Hrs. 12 Mins. ® ^ ^ ^ 69 MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 6°F. 2. High gas transit line pressure caused by FS#1 compressor #1804 startup. 3. High gas transit line pressure caused by CGF low temperature separator problems (loss #1 refrigeration unit). 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 1 wells equaling 40 mmscfd. ARCO reduced production rates and shut-in 4 wells equaling 188 mmscfd. Wells were shut-in or choked back starting at 01:15 hours. 2. BPX reduced production rates and shut-in 6 wells equaling 107 mmscfd. ARCO reduced production rates and shut-in 9 wells equaling 250 mmscfd. Wells were shut-in or choked back starting at 15:27 hours. 3. Equipment was restarted at 19:45 hours. 4. 5. Rev 6/22/97 • REPORT NO: 9$-4554 BPX FLARE REPORT PRUDHOE BAY t FACILITY: GC-2 DATE: 23 OCt 98 TOTAL VOLUME: 1 X578 MSCF Intermittent Black TIME OF FLARING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 11:41 TO: 12:57 1 Hrs. 16 Mins. ® ^ ^ ^ 1,378 MSCF 2. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK: CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in prod uction. Ambient temperature increased by 20°F. Also K3200 & K3300 GLT compressors tripped to idle at 1239 hrs. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 14 wells equaling 300 mmscfd. ARCO reduced production rates and shut-in 10 wells equaling 240 mmscfd. Wells were shut-in or choked back starting at 1158 hours. Also K3200 & K3300 were reloaded at 1253 hrs. 2. 3. 4. 5. Rev 6/22/97 • • REPORT NO: 98-4567 i , B PX FLARE REPORT ' PRUDHOE BAY FACILITY: GC-2 DATE: 2$ OCt 9$ TOTAL VOLUME: 571 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 14:01 TO: 15:37 1 Hrs. 36 Mins. ® ^ ^ ^ 175 MSCF 2, FROM: 20:57 To: 21:35 O Hrs. 38 Mins. ® ^ ^ ^ 396 MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 7°F. 2. High gas transit line pressure caused by CCP compressor problems due to low stage 1804 anti-surge valve problem. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 1 well equaling 20 mmscfd. ARCO reduced production rates by shutting in 40 mmscfd. Ambient temp started to drop and booster compressors picked up load. 2. BPX reduced production rates and shut-in 8 wells equaling 120 mmscfd. ARCO reduced production rates and shut-in 6 wells equaling 130 mmscfd. Wells were shut-in or choked back starting at 20:45hours. 3. 4. 5. ftev 6/22/97 ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION ~ J (Facility ( 9' on Month/Year of Di e GATHERING CENTER 2 BP EXPLOKATION ALASKA 8 WESTERN OPERATING AREA-PBU p Disposition *Indicate contribution of each pool to total. 1. Sold ~ ~„ ~~~ ~ 0 Pool Name Code Percent ~ 'f ~ ' .~ . „a`' 2. Reinjected 2,870,712 PRUDHOE 640150 100 r~ 3. Flared or vented less than 1 hour "-`~~~= LIB ~ u~ 2,812 . 4t; r~.rv .' a ~l 4. Flared or vented greater than 1 hour 9,476 (Supplemental report required--See 20 AAC 25.235) 5. Pilot and Purge 24,587 6. Used for lease operations 527,146 Official Use Only--Flaring Authorization > I hr. 1. Safety MCF 2. Lease Use MCF 3. Conserv. Purposes MCF Commissioner Date 11. Transferred to: CCP 20,295,473 7. Other 0 TOTAL items 1 - 7 3,434,733 8. NGL gas equivalent produced 0 9. Purchased gas 0 10. Transferred from: 0 pressure of 14.65 Asia 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 (Revised 4/95) Remarks: I hereby certify that the for oing is true and correct to the best of my knowledge. Si nature: _ ~ Title: SUPERVISOR 9809 FORM 10-422.x1s/FORM 10-422 - ' BP EXPLORATION (ALASKA) INC. PRUDHOE BAY UNIT - GC-2 GAS FLARING INCIDENT REPORT SEPTEMBER, 1998 Un tanned Events less than or equal to 1 hour DATE TIME VOLUME DESCRIPTION bF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE 9/3/98 0343-0411 52 Not required for unplanned events which Not required for unplanned events whit 9/5/98 0455-0510 38 are less than or equal to 1 hour are less than or equal to 1 hour 9/6/98 0133-0219 162 9/7/98 1435-1516 73 9/13/98 1025-1051 438 9/14/98 0926-1020 563 9/17/98 1932-2022 66 9/27/98 1413-1450 257 9/28/98 0120-0136 1,163 TOTAL 2,812 Unplanned Events greater than 1 hour DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE 9/1/98 0610-0941 2,500 See Attachments See Attachments 9/2/98 1145-1259 486 See Attachments See Attachments 9/3/98 0009-0147 208 See Attachments See Attachments 9/5/98 0531-0638 243 See Attachments See Attachments 9/5/98 1522-1649 299 See Attachments See Attachments 9/6/98 1441-1616 333 See Attachments See Attachments 9/7/98 1535-1654 139 See Attachments See Attachments 9/8/98 0239-0358 38 See Attachments See Attachments 9/9/98 0354-0523 87 See Attachments See Attachments 9/10/98 1415-1517 469 See Attachments See Attachments 9/17/98 1044-1214 211 See Attachments See Attachments • 9/19/98 9/25/98 0958-1116 0444-0624 1,039 See Attachments 3,320 See Attachments See Attachments See Attachments 9/26/98 1012-1329 104 See Attachments See Attachments TOTAL 9,476 Planned Events Less Than or Equal 1 Hour AND Not Exceeding 5000 Mcf ~ -- DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE ACTION',TAKEN TO ELIMINATE CAUSE TOTAL 0 Planned Events Exceedin 1 Hour OR Exceedin 5000 Mcf DATE ' TIME VOLUME DESCRIPTION OF INCIDENT& CAUSE ACTION TAKEN TO ELIMINATE CAUSE See Attachments See Attachments Page 1 TOTAL 0 TOTAL Unplanned Events < 1 Hour 2,812 Unplanned Events > 1 Hour 9,476 Planned Events < 1 hour & not 0 exceeding 5,000 MCF Planned Events > 1 hour and 0 exceeding 5,000 MCF Pilot Purge 24 7 TOTAL FLARED VOLUME 36,875 BP EXPLORATION (ALASKA) INC. PRUDHOE BAY UNIT - GG2 GAS FLARING INCIDENT REPORT SEPTEMBER, 1998 Page 2 C~ BPX FLARE REPORT PRUDHOE BAY REPORT NO: J$-4484 FACILITY: GC-2 DATE: O1 S@p 9H TOTAL VOLUME: 2500 MSCF Intermi ttent Black TIME OF FLARING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 06:1 O TO: 09:41 3 Hrs. 31 Mins. ® ^ ^ ^ 2,500 MSCF 2. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED SLOWDOWN: OTHER:_ First Determination of Cause: 1. Ambient temperature increased 3 °F. causing t_PS compressors to b og down and discharge to flare and required cuts in production. HP and LP wells had to be cut or routed to Annex to allow compressors to regain compression. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 11 wells equaling 50 mmscfd. Wells were shut-in or choked back starting at 06:30 hours. 2. 3. 4. 5. Rev 6/22/97 • BPX FLARE REPORT PRUDHOE BAY • REPORT NO: 9$-4485 FACILITY: GC-2 DATE: 02 Sep 98 TOTAL VOLUME: 486 MSCF Intermi ttent Black TIME OF FLARING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 11:45 TO: 12:59 1 Hrs. 14 Mins. ® ^ ^ ^ 486 MSCF 2. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. GLT compressor K-3200 shut down because of control/instrumentation failure associated with pressurized S/D alarm. GC-2 flared after K-3200 was back on due to the high transit line pressure it created until the system stabilized. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. No response taken as this was deemed to be of short duration. 2. 3. 4. 5. Rev 6/22/97 • • REPORT NO: 98-4486 .. B PX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: O3 Sep 9H TOTAL VOLUME: 260 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 00:09 TO: 01:47 1 Hrs. 38 Mins. ® ^ ^ ^ 208 MSCF 2. FROM: 03:43 TO: 04:11 0 Hrs. 28 Mins. ® ^ ^ ^ 52 MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER: First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 3°F. 2. While bringing production rates up following Trico test separator rig up, LPS compressors exceeded maximum gas capacity and discharged to flare. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 5 wells equaling 20 mmscfd. Wells were shut-in or choked back starting at 0015 hours. 2. BPX reduced production rates and shut-in 1 wells equaling 15 mmscfd. Wells were shut-in or choked back starting at 0345 hours. 3. 4. 5. Rev 6/22/97 • REPORT NO: 9H-4487 „ s B PX FLARE REPORT ' PRUDHOE BAY FACILITY: GC-2 DATE: 05 Sep 98 TOTAL VOLUME: 580 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 04:55 TO: 05:10 O Hrs. 15 Mins. ® ^ ^ ^ 3$ MSCF 2. FROM: 05:31 TO: 06:38 1 Hrs. 7 Mins. ® ^ ^ ^ 243 MSCF 3. FROM: 15:22 TO: 16:49 1 Hrs. 27 Mins. ® ^ ^ ^ 299 MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 2°F. 2. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 2°F. 3. High gas transit line pressure caused when CCP compressor #1801 L.S. S/D due to an inverter problem. 4. 5. Action Taken to Stop Flaring: 1. Arco reduced production rates and shut-in 2 wells equaling 50 mmscfd. Wells were shut-in or choked back starting at 0510 hours. 2. Arco reduced production rates and shut-in 3 wells equaling 75 mmscfd. Wells were shut-in or choked back starting at 05:40 hours. 3. Equipment was restarted at 16:00 hours. 4. 5. Rev 6/22/97 • ~ REPORT NO: 98-4488 i B PX FLARE REPORT ' PRUDHOE BAY FACILITY: GC-2 DATE: 06 Sep 98 TOTAL VOLUME: 495 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 01:33 TO: 02:19 O Hrs. 46 Mins. ® ^ ^ ^ 162 MSCF 2. FROM: 14:41 To: 16:16 1 Hrs. 35 Mins. ® ^ ^ ^ 333 MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 1°F. 2. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 3°F. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 2 wells equaling 15 mmscfd. Wells were shut-in or choked back starting at 0200 hours. 2. BPX reduced production rates and shut-in 4 wells equaling 18 mmscfd. Wells were shut-in or choked back starting at 17:00 hours. 3. 4. 5. Rev 6/22/97 . REPORT NO: 9$-4489 B PX FLARE REPORT ' PRUDHOE BAY FACILITY: Ca C-2 DATE: O7 Sep 98 TOTAL VOLUME: 212 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 14:35 TO: 15:16 0 Hrs. 41 Mins. ® ^ ^ ^ 73 MSCF 2. FROM: 15:35 TO: 16:54 1 Hrs. 19 Mins. ^ ^ ^ ^ 139 MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. While bringing production rates up following well work, LPS compressors exceeded maximum gas capacity and discharged to flare. 2. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by XX°F. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 1 wells equaling 5 mmscfd. Wells were shut-in or choked back starting at 1511 hours. 2. BPX reduced production rates and shut-in 1 wells equaling 12 mmscfd. Wells were shut-in or choked back starting at 15:50 hours. 3. 4. 5. Rev 6/22/97 • REPORT NO: 98-4491 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-Z DATE: OH Sep 98 TOTAL VOLUME: $$ MSCF Intermi ttent Black TIME OF FLARING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 02:39 To: 03:58 1 Hrs. ~ 9 Mins. ® ^ ^ ^ 3$ MSCF 2. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN: OTHER:_ First Determination of Cause: _ 1. While bringing production rates up following well work, LPS compressors exceeded maxi mum gas capacity and discharged to flare. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. Returned production rate from LPS system to HP system. 2. 3. 4. 5. Rev 6/22/97 • . REPORT NO: 9$-4493 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 TIME OF FLARING: DATE: ~9 Sep 98 1. FROM: 03:54 To: 05:23 2. FROM: TO: 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 1 Hrs. 29 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Intermittent Yes No ® ^ ^ ^ ^ ^ ^ ^ ^ ^ TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 87 MSCF VOLUME $7 MSCF MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER: First Determination of Cause: 1. While bringing production rates up following GC3 start-up, LPS compressors exceeded maximum gas capacity and discharged to flare due to high gas transit line pressure. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 2 wells equaling 10 mmscfd. Wells were shut-in or choked back starting at 0430 hours. 2. 3. 4. 5. Rev 6/22/97 . • REPORT NO: 9$-4494 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 TIME OF FLARING: DATE: 1 O Sep 98 1. FROM: 14:15 To: 15:17 2. FROM: TO: 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 1 Hrs. 2 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Intermittent Yes No ® ^ ^ ^ ^ ^ ^ ^ ^ ^ TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 469 MscF VOLUME 469 MscF MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 3°F. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 5 wells equaling 65 mmscfd. ARCO reduced production rates and shut-in 5 wells equaling 80 mmscfd. Wells were shut-in or choked back starting at 14:25hours. 2. 3. 4. 5. Rev 6/22/97 • • REPORT NO: 98-4508 B PX FLARE REPORT ' PRUDHOE BAY FACILITY: GC-2 DATE: 17 Sep 98 TOTAL VOLUME: 277 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 10:44 TO: 12:14 1 Hrs. 30 Mins. ® ^ ^ ^ 211 MSCF 2. FROM: 19:32 TO: 20:22 0 Hrs. 50 Mins. ® ^ ^ ^ 66 MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 6°F. Flaring was LP from slugcatcher. Only one LPS compressor was available and rates had to be adjusted as the ambient temperature increased. 2. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 4°F. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates by choking back on LP wells and shut-in 1 well equaling 22 mmscfd. Wells were shut-in or choked back starting at 10:55hours. 2. BPX reduced production rates and shut-in 11 wells equaling 265 mmscfd. ARCO reduced production rates and shut-in 7 wells equaling 50 mmscfd. Wells were shut-in or choked back starting at 1940 hours. 3. 4. 5. i Rev 6/22/97 • • REPORT NO: 9$-4513 BPX FLARE REPORT PRUDHOE BAY FACILITY: CaC-2 TIME OF FLARING: DATE: 19 Sep 98 1. FROM: 09:58 TO: 11:16 2. FROM: TO: 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 1 Hrs. 1$ Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Intermittent Yes No ® ^ ^ ^ ^ ^ ^ ^ ^ ^ TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 1,039 MSCF VOLUME 1,039 MscF MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. LPS compressor K-7000 shut down because of control/instrumentation failure associated with technicians working in control panel. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 28 wells equaling 187 mmscfd. Wells were shut-in or choked back starting at 10:05 hours until compressor was restarted and loaded. 2. B. 3. 4. 5. Rev 6/22/97 • • REPORT NO: 9$-4519 BPX FLARE REPORT PRUDHOE BAY FACILITY: CiC-2 TIME OF FLARING: DATE: 25 Sep 98 1. FROM: 04:44 To: 06:24 2. FROM: TO: 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 1 Hrs. 40 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Intermittent Yes No ^ ^ ^ ^ ^ ^ ^ ^ TOTAL VOLUME: Black Smoke? Planned? ® ^ ^ ^ ^ ^ ^ ^ ^ ^ 3,320 MscF VOLUME 3,320 MscF MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER: First Determination of Cause: 1. GC-2 was in a controlled shutdown condition with oil, gas and water rates slowly falling to a zero rate status. The low pressure compressor (K-205) lost suction and was shutdown at 0440 hours due to insufficient gas rates. The low pressure system slowly pressured up and began flaring to the main flares (the burn pit was not open) at 0444 hours. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. Flare assist gas was introduced to the flares and smokeless flaring was reported at 0500 hours. Smokeless flaring continued until all the production wells were completely isolated from GC-2. 2. 3. 4. 5. Rev 6/22/97 • REPORT NO: 9$-4520 BPX FLARE REPORT PRUDHOE BAY FACILITY: CiC-2 DATE: 26 Sep 98 TOTAL VOLUME: 104 MSCF Intermi ttent Black TIME OF FLARING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 10:12 TO: 13:29 3 Hrs. 17 Mins. ® ^ ^ ^ 104 MSCF 2. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. While bringing production rates up following GC and TAPS shutdown , flaring occoured w hile oil rates we re being incresed. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. GC equipment was restarted starting at 0900 hours after planned shutdown. 2. 3. 4. 5. Rev 6/22/97 GATHERING CENTER 2 Disposition 1. Sold 2. Reinjected • 3. Flared or vented less than 1 hour 4. Flared or vented greater than 1 hour (Sunnlemental reoott reauved-See 20 AAC Pilot and Purge Used for lease operations Other TOTAL items 1 - 7 8. NGL gas equivalent produced 9. Purchased gas 10. Transferred from: 11. Transferred to: CCP ALASKA OII. AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Operator Field(s) Month/Year of Disposition BP EXPLORATION ALASKA WESTERN OPERATING AREA-PBU Aug-98 Remarks: I hereby certify that the foregoing is true and correct to/the becst of my knowledge. Signature: ~~~'~J~,`r,~--- ~~/ ~ y ~t ~s Title: Form 10-422 (Revised 4/95) 9808 FORM 10-422.bs/FORM 10-422 0 3,254,358 3,150 9,972 21,828 597,329 0 3,886,637 0 0 0 21,045,813 SUPERVISOR *Indicate contribuflon of each pool to total. Pool Name Code Percent PRUDHOE 640150 100 Official Use Onl --Flarin Authorization > 1 ht. 1. Safety MCF 2. Lease Use MCF 3. Conserv. Purposes MCF Commissioner Date lvote:.~u volumes must oe correcteu to pressure of 14.65 psis 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. BP EXPLORATION (ALASKA) INC. PRUDHOE BAY UNIT - GC-2 GAS FLARING INCIDENT REPORT AUGUST, 1998 Un tanned Events less than ore ual to 1 hour DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE' ACTION TAKEN TO ELIMINATE CAUSE 8/2/98 0050-0120 278 Not required for unplanned events which Not required for unplanned events whit 8/2/98 0529-0544 83 are less than or equal to 1 hour are less than or equal to 1 hour 8/2/98 1146-1208 153 8/2/98 1250-1302 83 8/4/98 1734-1804 208 8/8/98 2240-2309 83 8/11/98 0546-0604 31 8/11/98 1339-1407 42 • 8/18/98 1429-1506 271 8/19/98 1401-1501 104 8/20/98 1745-1811 80 8/22/98 0930-1019 422 8/24/98 1640-1719 243 8/26/98 0956-1008 90 8/28/98 0131-0218 979 TOTAL 3,150 Unplanned Events greater than 1 hour ~ DATE TIME VOLUME DESCRIPTION'OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE 8/1/98 1349-1536 375 See Attachments See Attachments 8/1/98 1738-1905 521 See Attachments See Attachments 8/2/98 1559-1720 264 See Attachments See Attachments 8/7/98 1735-1915 354 See Attachments See Attachments 8/8/98 1433-1557 299 See Attachments See Attachments • 8/11/98 8/14/98 1847-2047 0850-1150 535 See Attachments 3,250 See Attachments See Attachments See Attachments 8/14/98 1207-1354 174 See Attachments See Attachments 8/19/98 1744-1847 121 See Attachments See Attachments 8/20/98 0600-0900 507 See Attachments See Attachments 8/22/98 0051-0208 231 See Attachments See Attachments 8/22/98 1249-1538 925 See Attachments See Attachments 8/23/98 0851-1018 160 See Attachments See Attachments 8/24/98 1925-2038 256 See Attachments See Attachments 8/28/98 0728-1131 2,000 See Attachments See Attachments TOTAL 9,972 Page 1 BP EXPLORATION (ALASKA) INC. PRUDHOE BAY UNIT - GC-2 • ~ GAS FLARING INCIDENT REPORT AUGUST, 1998 Planned Events Less Than or Equal 1 Hour AND Not Exceedin 5000 Mcf DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE' CAUSE TOTAL 0 • Planned Events Exceeding 1 Hour OR Exceeding 5000 Mcf ~ DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE See Attachments See Attachments TOTAL 0 Unplanned Events < 1 Hour Unplanned Events > 1 Hour Planned Events < 1 hour & not exceeding 5,000 MCF Planned Events > 1 hour and exceeding 5,000 MCF Pilot Purge TOTAL FLARED VOLUME TOTAL 3,150 9,972 0 0 21.828 34,950 Page 2 • • • REPORT NO: 98-4442 B PX FLARE REPORT ' PRUDHOE BAY FACILITY: GC-2 DATE: 01 Aug 98 TOTAL VOLUME: 896 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 13:49 TO: 15:36 1 Hrs. 47 Mins. ® ^ ^ ^ 375 MSCF 2. FROM: 17:38 TO: 19:05 1 Hrs. 27 Mins. ® ^ ^ ^ 521 MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK: _ CONTROLLED SLOWDOWN: _ OTHER: _ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 12°F. 2. While bringing production rates up following GC-2 C Bank S/D, LPS compressors exceeded maximum gas capacity and discharged to flare. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates equaling 85mmscfd. ARCO reduced production rates and shut-in 8 wells equaling 160 mmscfd. Wells were shut-in or choked back starting at 10:00 hours (when temperature started coming up). 2. BPX stopped bringing production rates up until wells unloaded and flaring was ceased. 3. 4. 5. Rev 6/22/97 • . REPORT NO: 98-4444 B PX FLAR E REPORT ' PRUDHOE BAY FACILITY: GC-2 DATE: 02 Aug 98 TOTAL VOLUME: ggl MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 00:50 TO: 01:20 0 Hrs. 30 Mins. ® ^ ^ ^ 278 MSCF 2. FROM: 05:29 TO: 05:44 O Hrs. 15 Mins. ^ ® ^ ^ $3 MSCF 3. FROM: 11:46 TO: 12:08 O Hrs. 22 Mins. ^ ® ^ ^ 153 MSCF 4. FROM: 12:50 TO: 13:02 O Hrs. 12 Mins. ^ ® ^ ^ 83 MSCF 5. FROM: 15:59 TO: 17:20 1 Hrs. 21 Mins. ® ^ ^ ^ 264 MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK: _ CONTROLLED SLOWDOWN: _ OTHER: _ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 2°F. 2. High transit line pressure caused by ARCO increasing gas rates. Transit line pressure increased from 574 to 590 3. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 4°F (62-66) 4. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 2°F.66-68). 5. High gas transit line pressure caused by CGF compressor problems due to boosters unloading. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 2 wells equaling 30 mmscfd. Wells were shut-in or choked back starting at 01:00 hours. 2. BPX reduced production rates equaling 40 mmscfd. ARCO reduced production rates equaling 90 mmscfd. Wells were shut-in or choked back starting at 04:50 hours. 3. BPX reduced production rates equaling 40 mmscfd. ARCO reduced production rates equaling 130 mmscfd. Wells were shut-in or choked back starting at 11:55hours. 4. BPX reduced production rates equaling 20 mmscfd. Well was choked back starting at 14:05 hours. 5. Equipment was restarted at 17:02 hours. Rev 6/22/97 • . REPORT NO: 98-4451 BPX FLARE REPORT PRUDHOE BAY FACILITY: CiC-2 TIME OF FLARING: DATE: 07 Aug 98 ~ . FROM: 17:35 To: 19:15 2. FROM: TO: 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 1 Hrs. 40 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Intermittent Yes No ® ^ ^ ^ ^ ^ ^ ^ ^ ^ TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 354 MscF VOLUME 354 MscF MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER: First Determination of Cause: 1. High transit gas line pressure caused by ARCO bringing on wells following subsidence work. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. Arco shut in one well, BPX trimmed back three wells, wells were choked starting at 17:50 hrs 2. 3. 4. 5. aev srza~s~ i ~ REPORT NO: 98-4454 B PX FLARE REPORT ' PRUDHOE BAY FACILITY: GC-2 DATE: 08 Aug 98 TOTAL VOLUME: 882 MSCF Intermittent Black TIME OF FLARING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 14:33 To: 15:57 1 Hrs. 24 Mins. ® ^ ^ ^ 299 MSCF 2. FROM: 22:40 To: 23:09 0 Hrs. 29 Mins. ® ^ ^ ^ $3 MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER: First Determination of Cause: 1. High transit gas line pressure caused by ARCO bringing on wells following drill-site work. 2. High gas transit line pressure due to ARCO bringing up rate. 3. 4. 5. Action Taken to Stop Flaring: 1. Arco shut in 2wells, BPX shut in 5 wells, wells were choked starting at 14:40 hrs. Totall rate si: approx. 280mmscf. 2. BPX reduced production rates and shut-in 2wells equaling 62 mmscfd. ARCO reduced production rates and shut-in 1 well equaling 52 mmscfd. Wells were shut-in or choked back starting at 22:45 hours. 3. 4. 5. Rev 6/22/97 i • REPORT NO: 98-4457 B PX FLARE REPORT ' PRUDHOE BAY FACILITY: GC-2 DATE: 11 Aug 98 TOTAL VOLUME: 608 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 05:46 TO: 06:04 0 Hrs. 18 Mins. ® ^ ^ ^ 31 MSCF 2. FROM: 13:39 TO: 14:07 0 Hrs. 28 Mins. ® ^ ^ ^ 42 MSCF 3. FROM: 18;47 TO: 20:47 2 Hrs. Q Mins. ® ^ ^ ^ 535 MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK: _ CONTROLLED SLOWDOWN: _ OTHER: _ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 4°F. 2. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 5°F. 3. While bringing production rates up following GC-1 Annex s/d, LPS compressors exceeded maximum gas capacity and discharged to flare. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 4 wells equaling 100 mmscfd. ARCO reduced production rates and shut-in 3 wells equaling 70 mmscfd. Wells were shut-in or choked back starting at 0550 hours. 2. BPX reduced production rates and shut-in 3 wells equaling 15 mmscfd. ARCO reduced production rates and shut-in 1 wells equaling 70 mmscfd. Wells were shut-in or choked back starting at XXXX hours. 3. BPX reduced production rates and shut-in 2 wells equaling 50 mmscfd. ARCO reduced production rates and shut-in 7 wells equaling 150 mmscfd. Wells were shut-in or choked back starting at 19:16 hours. 4. 5. Rev 6/22/97 C~ BPX FLARE REPORT PRUDHOE BAY • REPORT NO: 9$-4463 FACILITY: GC-2 DATE: 14 Aug 98 TOTAL VOLUME: 3,424 MSCF Intermittent Black TIME OF FLARING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 08:50 To: 11:50 3 Hrs. 0 Mins. ^ ® ^ ^ $,250 MSCF 2. FROM: 12;07 TO: 13:54 1 Hrs. 47 Mins. ® ^ ^ ^ 174 MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: _ RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. While reducing production rates following TAPs slow down, low gas rate for LP/IP gas compressor caused compressors to surge and discharged to flare. 2. While bringing production rates up following TAPs slow down, facility exceeded maximum gas capacity and discharged to flare. 3. 4. 5. Action Taken to Stop Flaring: 1. Assist gas was added to keep from black smoking, Taps production was resumed and rate incred to plant. 2. BPX stopped bringing production rates up until wells unloaded and flaring was ceased. 3. 4. 5. Rev 6/22/97 • • REPORT NO: 98-4465 B PX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 19 Aug 98 TOTAL VOLUME: 225 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 14:01 TO: 15:01 1 Hrs. 0 Mins. ® ^ ^ ^ 104 MSCF 2. FROM: 17:44 TO: 18:47 1 Hrs. $Mins. ® ^ ^ ^ 121 MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 6°F. 2. CGF refrigeration units shutdown, causing high gas transit line pressure. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 3 wells equaling 30 mmscfd. ARCO reduced production rates and shut-in 3 wells equaling 50 mmscfd. Wells were shut-in or choked back starting at 14:10 hours. 2. BPX reduced production rates and shut-in 12 wells equaling 300 mmscfd. ARCO reduced production rates and shut-in 8 wells equaling 235 mmscfd. Wells were shut-in or choked back starting at 1736 hours. 3. 4. 5. Rev 6/22/97 • • REPORT NO: 98-4469 B PX FLARE REPORT ' PRUDHOE BAY FACILITY: GC-2 DATE: 20 Aug 98 TOTAL VOLUME: 587 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 06:00 TO: 09:00 3 Hrs. 0 Mins. ® ^ ^ ^ 507 MSCF 2. FROM: 17:45 TO: 18:11 O Hrs. 26 Mins. ® ^ ^ ^ $0 MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 4°F. 2. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 1 °F. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 5 wells equaling 75 mmscfd. ARCO reduced production rates and shut-in 7 wells equaling 150 mmscfd. Wells were shut-in or choked back starting at 07:10 hours. 2. BPX reduced production rates and shut-in 4 wells equaling 65 mmscfd. Wells were shut-in or choked back starting at 1750 hours. 3. 4. 5. Rev 6/22/97 BPX FLARE REPORT PRUDHOE BAY . REPORT NO: 98-4471 FACILITY: GC-2 DATE: 22 Aug 98 TOTAL VOLUME: 1 X57$ MSCF Intermittent Black TIME OF FLA RING: DURATION: yes No Smoke? Planned? VOLUME 1. FROM: 00:51 TO: 02:08 1 Hrs. 17 Mins. ® ^ ^ ^ 231 MSCF 2. FROM: 09:30 TO: 10:19 O Hrs. 49 Mins. ® ^ ^ ^ 422 MSCF 3. FROM: 12:49 TO: 15:38 2 Hrs. 49 Mins. ® ^ ^ ^ 925 MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. While bringing production rates up following GC1 B-bank shutdown, the gas transit line pressure increased. 2. High gas transit line pressure caused by CGF Tandem Compressor #1883 S/D caused by a false high level on the fuel gas knock-out vessel. 3. High gas transit line pressure caused by ARCO packing the transit gas line and ambient air temperature increasing 4 degrees. 4. 5. Action Taken to Stop Flaring: 1. Arco reduced production rates and shut-in 7 wells equaling 300 mmscfd. Wells were shut-in or choked back starting at 0036 hours. 2. Equipment was restarted at 10:30 hours. 3. BPX reduced production rates and shut-in 2 wells equaling 25 mmscfd. ARCO reduced production rates and shut-in 4 wells equaling 80 mmscfd. Wells were shut-in or choked back starting at 13:08 hours. 4. 5. Rev 6/22/97 • • REPORT NO: 9$-4474 BPX FLARE REPORT PRUDHOE BAY FACILITY: Ci. C-2 TIME OF FLARING: DATE: 23 Aug 98 1. FROM: 48:51 To: 10:18 2. FROM: TO: 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 1 Hrs. 27 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Intermittent Yes No ® ^ ^ ^ ^ ^ ^ ^ ^ ^ TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 160 MSCF VOLUME 16Q MSCF MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 5°F. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 2 wells equaling 38 mmscfd. ARCO reduced production rates and shut-in 5 wells equaling 150 mmscfd. Wells were shut-in or choked back starting at 09:00 hours. 2. 3. 4. 5. Rey sr~zs~ • • REPORT NO: 9$-4476 B PX FLARE REPORT ' PRUDHOE BAY FACILITY: CiC-2 DATE: 24 AUg 98 TOTAL VOLUME: 499 MSCF Intermittent 81ack TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 16:40 TO: 17:19 0 Hrs. 39 Mins. ® ^ ^ ^ 243 MSCF 2. FROM: 19:25 TO: 20:38 1 Hrs. 13 Mins. ® ^ ^ ^ 256 MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK: _ CONTROLLED SLOWDOWN: _ OTHER: _ First Determination of Cause: 1. While bringing production rates up following pigging EWE LDF, LPS compressors exceeded maximum gas capacity and discharged to flare. 2. While bringing production rates up following pigging the EWE LDF, LPS compressors exceeded maximum gas capacity and discharged to flare. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 5 wells equaling 50 mmscfd. ARCO reduced production rates and shut-in 5 wells equaling 100 mmscfd. Wells were shut-in or choked back starting at 16:39 hours. 2. BPX stopped bringing production rates up until wells unloaded and flaring was ceased. 3. 4. 5. I Rev 6/22/97 • • REPORT NO: J$-4481 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 TIME OF FLARING: DATE: 28 Aug 98 1. FROM: 01:31 To: 02:1$ 2. FROM: 07:2$ TO: 11:31 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 0 Hrs. 47 Mins. 4 Hrs. 3 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Intermittent Yes No ® ^ ^ ^ ^ ^ ^ ^ TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 2,979 MscF VOLUME 979 MSCF 2,000 MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER: First Determination of Cause: 1. While ARCO was bringing production rates up following GC-3 "A" bank shutdown for maintenance, LPS compressors exceeded maximum gas capacity and discharged to flare. 2. Ambient conditions caused LPS compressors to bog down and discharged to flare. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in ti wells equaling 136 mmscfd. ARCO reduced production rates equaling 100 mmscfd. Wells were shut-in or choked back starting at 01:32 hours. 2. BPX reduced production rates equaling 60 mmscfd. Wells were shut-in or choked back starting at 07:25 hours. 3. 4. 5. Rev 6/22/97 ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION • IFacihty GATHERING CENTER 2 ~BP rEXPLORATION ALASKA IWFS (TERN OPERATING AREA-PBUMonth/Year of DisJul 98 n Disposition *Indicate contribuflon of each pool to total. 1. Sold 0 Pool Name Code Percent 2. Reinjected 3,243,664 PRUDHOE 640150 100 3. Flared or vented less than 1 hour 11,073 4. Flared or vented greater than 1 hour 7,869 (Supplemental ropoR required-See 20 AAC 25.235) Pilot and Purge Used for lease operations Other TOTAL items 1- 7 8. NGL gas equivalent produced • 9. Purchased gas 10. Transferred from: 11 firahsferred to: CCP .__a Ret~'arks: ~ `~ ~~ I hoc certify that the foregoing is true and correct to the best of my knowledge. p Signature: ~~"~~;.2.r-~'''L~~ ~i ~ ,~ ,-,~., Title: 7 Form 10-422 (Revised 4/95) 21,405 608,169 0 3,892,180 0 0 0 21,985,131 SUPERVISOR __ __ Official Use Onl --Flaritt Autfiozization > 1 hr. ,. 1. Safety MCF 2. Lease Use MCF 3. Conserv. Purposes MCF Commissioner Date Note: AIrv~umes must be cotrec~ 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. BP EXPLORATION (ALASKA) INC. PRUDHOE BAY UNIT - GC-2 GAS FLARING INCIDENT REPORT JULY, 1998 Unplanned Events less than or equal to 1 hour DATE TIME VOLUME' DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE. 7/1/98 2337-2352 104 Not required for unplanned events which Not required for unplanned events whit 7/2/98 1502-1552 1,389 are less than or equal to 1 hour are less than or equal to 1 hour 7/6/98 1450-1522 438 7/7/98 2232-2237 35 7/8/98 1233-1324 708 7/9/98 1539-1608 201 7/10/98 1050-1058 111 7/13/98 0906-0950 200 • 7/14/98 0950-1018 250 7/14/98 1937-2027 194 7/15/98 0950-1036 256 7/16/98 1058-1136 333 7/16/98 1749-1818 161 7/17/98 1518-1550 336 7/18/98 0928-0956 250 7/18/98 1540-1608 292 7/20/98 1257-1341 369 7/21 /98 2001-2010 113 7/22/98 1019-1102 597 7/22/98 1743-1836 299 7/24/98 0415-0511 389 7/26/98 0406-0445 271 7/27/98 1218-1246 544 7/27/98 1403-1430 431 7/27/98 1505-1602 208 7/28/98 1334-1356 306 7/28/98 1630-1704 354 7/29/98 0347-0432 278 7/30/98 1459-1522 1,198 7/30/98 1810-1852 458 TOTAL 11, 073 Un tanned Events reater than 1 hour DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO_ELIMINATE CAUSE 7/3/98 1242-1358 264 See Attachments See Attachments 7/6/98 1034-1204 290 See Attachments See Attachments 7/7/98 1434-1618 389 See Attachments See Attachments 7/11/98 1243-1400 292 See Attachments See Attachments 7/14/98 1612-1923 1,042 See Attachments See Attachments 7/16/98 1307-1514 800 See Attachments See Attachments 7/22/98 0154-0255 466 See Attachments See Attachments 7/22/98 1441-1555 438 See Attachments See Attachments 7/23/98 1208-1404 531 See Attachments See Attachments Page 1 BP EXPLORATION (ALASKA) INC. PRUDHOE BAY UNIT - GC-2 GAS FLARING INCIDENT REPORT Page 2 JULY, 1998 7/25/98 1853-2003 729 See Attachments See Attachments 7/26/98 1325-1441 382 See Attachments See Attachments 7/28/98 1103-1318 781 See Attachments See Attachments 7/28/98 2248-2400 625 See Attachments See Attachments 7/30/98 2150-2313 840 See Attachments See Attachments TOTAL 7,869 Planned Events Less Than or E ual 1 Hour AND Not Exceedin 5000 Mcf DATE TIME VOLUME' DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE • TOTAL 0 Planned Events Exceedin 1 Hour OR Exceedin 5000 Mcf DATE TIME VOLUME DESCRIPTION'OF INCIDENT &! CAUSE ACTION TAKEN TO ELIMINATE CAUSE See Attachments See Attachments TOTAL 0 TOTAL Unplanned Events < 1 Hour 11,073 Unplanned Events > 1 Hour 7,869 Planned Events < 1 hour & not 0 exceeding 5,000 MCF Planned Events > 1 hour and 0 exceeding 5,000 MCF Pilot Purge 21 4 TOTAL FLARED VOLUME 40,347 REPORT NO: 9$_43$5. B PX FLARE REPORT ' PRUDHOE BAY FACILITY: GC-2 DATE: 03 J ul 98 TOTAL VOLUME: 264 MSCF Intermittent Black TIME OF FLARING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 12:42 TO: 13:58 1 Hrs. 16 Mins. ® ^ ^ ^ 264 MSCF 2. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Am bient temperatu re increased by 4°F. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in Swells equaling 30 mmscfd. ARCO reduced production rates and shut-in 4 wells equaling 50 mmscfd. Wells were shut-in or choked back starting at 13:00 hours. 2. 3. 4. 5. I Rev 6/22KJ7 • • REPORT NO: 9$-4394 B PX FLARE REPORT ' PRUDHOE BAY FACILITY: GC-2 DATE: 06 Jul 98 TOTAL VOLUME: 728 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 10:34 TO: 12:04 1 Hrs. 30 Mins. ® ^ ^ ^ 290 MSCF 2. FROM: 14:50 TO: 15:22 0 Hrs. 32 Mins. ^ ® ^ ^ 438 MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High gas transit line pressure caused by CGF compressor problems due to governor problems. 2. High gas transit line pressure caused by CGF compressor problems due to governor problems. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 19 wells equaling 150 mmscfd. Wells were shut-in or choked back starting at 1200 hours. 2. BPX reduced production rates and shut-in 4 wells equaling 85 mmscfd. Wells were shut-in or choked back starting at 1450 hours. 3. 4. 5. Rev 6/22/97 • • REPORT NO: 9$-4397 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 07 Jul 98 TIME OF FLARING: 1. FROM: 14:34 To: 16:18 2. FROM: 22:32 To: 22:37 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 1 Hrs. 44 Mins. 0 Hrs. 5 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. TOTAL VOLUME: Intermi ttent Black Yes No Smoke? Planned? ® ^ ^ ^ ^ ® ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 424 MscF VOLUME 389 MSCF 35 MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED SLOWDOWN: OTHER: First Determination of Cause: 1. High gas transit line pressure caused by CGF compressor problems due to governor problems. 2. High gas transit line pressure caused by Aroc bring on Cycle well. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 4 wells equaling 30 mmscfd. Wells were shut-in or choked back starting at 15:00 hours. 2. BPX reduced production rates equaling 25 mmscfd. Wells choked back starting at 22:32 hours. 3. 4. 5. Rev 6/22/97 • ~ REPORT NO: J$-4405 BPX FLARE REPORT PRUDHOE BAY FACILITY: CiC-2 DATE: 11 JUI 98 TIME OF FLARING: 1. FROM: 12:43 To: 14:00 2. FROM: TO: 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 1 Hrs. 17 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Intermittent Yes No ® ^ ^ ^ ^ ^ ^ ^ ^ ^ TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 292 MSCF VOLUME 292 MscF MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 3F. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 3 wells equaling 25 mmscfd. ARCO reduced production rates and shut-in 3 wells equaling 100mmscfd. Wells were shut-in or choked back starting at 13:00 hours. 2. 3. 4. 5. Rev 6/22/97 • REPORT NO: 9$-4447 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 14 JUI 98 TOTAL VOLUME: 1 ,48g MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 09:50 TO: 10:18 0 Hrs. 28 Mins. ^ ® ^ ^ 250 MSCF 2. FROM: 16:12 TO: 19:23 3 Hrs. 11 Mins. ® ^ ^ ^ 1,042 MsCF 3. FROM: 19:37 TO: 20:27 0 Hrs. 50 Mins. ® ^ ^ ^ 194 MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK: _ CONTROLLED BLOWDOWN: _ OTHER: _ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 2F. 2. While bringing production rates up following ARCO bringing up rates (Arco wells s/i for wireline were brought back on) 3. While bringing production rates up following cycle well exchange,LPS compressors exceeded maximum gas capacity and discharged to flare. 4. 5. Action Taken to Stop Flaring: 1. ARCO reduced production rates and shut-in 1 well equaling 35mmscfd. Well was shut-in or choked back starting at 09:52 hours. 2. ARCO reduced production rates and shut-in 2wells equaling 100mmscfd. Wells were shut-in or choked back starting at 16:20 hours. 3. BPX stopped bringing production rates up until wells unloaded and flaring was ceased. 4. 5. Rev 6/22/97 • BPX FLARE REPORT PRUDHOE BAY REPORT NO: 9$-4409 FACILITY: GC-2 DATE: 16 JUI 98 TOTAL VOLUME: 1 X294. MSCF Intermi ttent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 10:58 TO: 11:36 0 Hrs. 38 Mins. ® ^ ^ ^ 333 MSCF 2. FROM: 13:07 TO: 15:14 2 Hrs. 7 Mins. ® ^ ^ ^ 800 MSCF 3. FROM: 17:49 TO: 18:18 0 Hrs. 29 Mins. ® ^ ^ ^ 161 MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 5°F. 2. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 5°F. 3. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 3°F. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 3 wells equaling 27 mmscfd. ARCO reduced production rates and shut-in 3 wells equaling 60 mmscfd. Wells were shut-in or choked back starting at 10:48 hours. 2. BPX reduced production rates and shut-in 6 wells equaling 93 mmscfd. ARCO reduced production rates and shut-in 2 wells equaling 33 mmscfd. Wells were shut-in or choked back starting at 13:05 hours. 3. BPX reduced production rates and shut-in 1 wells equaling 20 mmscfd. ARCO reduced production rates and shut-in 4 wells equaling 80 mmscfd. Wells were shut-in or choked back starting at 1755 hours. 4. 5. Rev 6/22/97 REPORT NO: 98-4417 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 22 Jul 98 TOTAL VOLUME: 1 X800 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 01 :54 To: 02:55 1 Hrs. 1 Mins. ^ ® ^ ^ 466 MSCF 2. FROM: 10:19 TO: 11:02 0 Hrs. 43 Mins. ^ ® ^ ^ 597 MSCF 3. FROM: 14:41 TO: 15:55 1 Hrs. 14 Mins. ® ^ ^ ^ 438 MSCF 4. FROM: 17:43 TO: 18:36 0 Hrs. 53 Mins. ® ^ ^ ^ 299 MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High gas transit pressure due to gas rate. 2. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 8°F. 3. While bringing production rates up at GC-3 following a B Bank S/D, high transit gas pressure caused GC-2 to flare intermittently from HP and LPS compressors. 4. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 3°F. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 5 wells equaling 60 mmscfd. Wells were shut-in or choked back starting at 02:00 hours. 2. BPX reduced production rates and shut-in 1 wells equaling 30 mmscfd. ARCO reduced production rates and shut-in 4 wells equaling 175 mmscfd. Wells were shut-in or choked back starting at 1025 hours. 3. BPX stopped bringing production rates up until wells unloaded and flaring was ceased. 4. BPX reduced production rates and shut-in 2 wells equaling 40 mmscfd. ARCO reduced production rates and shut-in 2 wells equaling 55 mmscfd. Wells were shut-in or choked back starting at 1755 hours. 5. Rev 8/22/97 • ~ REPORT NO: J$-4420 i B PX FLARE REPORT ' PRUDHOE BAY FACILITY: GC-2 DATE: 23 JUI 98 TOTAL VOLUME: 531 MSCF Intermittent Black TIME OF FLARING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 12:0$ TO: 14:04 1 Hrs. 56 Mins. ® ^ ^ ^ 531 MSCF 2. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN: OTHER:_ First Determination of Cause: _ 1. High ambient temperature swings resulted in flaring and required cuts in prod uction. Am bient temperature increased by 4°F. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. Arco reduced production rates and shut-in 7 wells equaling 60 mmscfd. Wells were shut-in or choked back starting at 1240 hours. 2. 3. 4. 5. i Rev 6/22/97 • . REPORT NO: 98-4424 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 25 Jul 98 TIME OF FLARING: 1. FROM: 18:53 To: 20:03 2. FROM: TO: 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 1 Hrs. 10 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Intermittent Yes No ^ ^ ^ ^ ^ ^ ^ ^ TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 729 MSCF VOLUME 729 MSCF MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK: _ CONTROLLED SLOWDOWN: _ OTHER: _ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 3°F. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 4 wells equaling 65mmscfd. ARCO reduced production rates and shut-in 4 wells equaling 100 mmscfd. Wells were shut-in or choked back starting at 19:00 hours. 2. 3. 4. 5. Rev 6/22/97 C~ . REPORT NO: 98-442,5 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 26 Jul 98 TOTAL VOLUME: 653 MSCF Intermittent Black TIME OF FLARING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 04:06 TO: 04:45 0 Hrs. 39 Mins. ^ ® ^ ^ 271 MSCF 2. FROM: 13:25 TO: 14:41 1 Hrs. 16 Mins. ® ^ ^ ^ 382 MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High gas transit line pressure caused by ARCO packing the system following CGF refrigeration unit put back on line. 2. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 1 °F. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 2 wells equaling 37mmscfd. Wells were shut-in or choked back starting at 04:16 hours. 2. BPX reduced production rates and shut-in 2 wells equaling 50 mmscfd. ARCO reduced production rates and shut-in 2 wells equaling 80 mmscfd. Wells were shut-in or choked back starting at 1330 hours. 3. 4. 5. Rev 6/22/97 • • REPORT NO: 98-4433 ~' B PX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 28 .JUI 98 TOTAL VOLUME: 2,066 MscF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 1 1:03 TO: 13:1$ 2 Hrs. 15 Mins. ® ^ ^ ^ 781 MSCF 2. FROM: 13:34 TO: 13:56 0 Hrs. 22 Mins. ^ ® ^ ^ 306 MSCF 3. FROM: 16:30 TO: 17:04 0 Hrs. 34 Mins. ^ ® ^ ^ 354 MSCF 4. FROM: 22:4$ TO: 24:00 1 Hrs. 12 Mins. ® ^ ^ ^ 625 MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER: First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 7°F. 2. GLT compressor K-3200 and K-3300 tripped to idle because of control/instrumentation failure associated with a loose card in the PLC. 3. While bringing production rates up on wells W-20 and W-22 following subsidence work, LPS compressors exceeded maximum gas capacity and discharged to flare. 4. To high of rate for ambient temperature. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 8 wells equaling 270 mmscfd. ARCO reduced production rates and shut-in 17 wells equaling 450 mmscfd. Wells were shut-in or choked back starting at 07:45 hours. 2. BPX reduced production rates and shut-in 8 wells equaling 175 mmscfd. Wells were shut-in or choked back starting at 1335 hours. Equipment was loaded back up at 1342 hours. 3. BPX stopped bringing production rates up until wells unloaded and flaring was ceased. 4. BPX reduced production rates and shut-in 4 wells equaling 70 mmscfd. ARCO reduced production rates and shut-in 2 wells equaling 70mmscfd. Wells were shut-in or choked back starting at 23:OOhours. 5. Rev 6/22/97 • BPX FLARE REPORT PRUDHOE BAY • REPORT NO: J$-4440 FACILITY: GC-2 DATE: 30 Jul 98 TOTAL VOLUME: 2,498 MSCF Intermi ttent Black TIME OF FLARING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 14:59 TO: 15:22 0 Hrs. 23 Mins. ^ ® ^ ^ 1,198 MSCF 2. FROM: 1$:10 TO: 18:52 0 Hrs. 42 Mins. ® ^ ^ ^ 458 MSCF 3. FROM: 21:50 TO: 23:13 1 Hrs. 23 Mins. ® ^ ^ ^ 840 MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. GLT compressors K-3200 and K3300 shut down due to control/instrumentation failure associated with F&G alarm. 2. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 4°F. 3. High ambient temperature swings resulted in flaring and required cuts in production. 4. 5. Action Taken to Stop Flaring: 1. Equipment was restarted at 15:19 hours. 2. BPX reduced production rates and shut-in 10 wells equaling 100 mmscfd. Wells were shut-in or choked back starting at 18:15 hours. 3. BPX reduced production rates and shut-in 6 wells equaling 100 mmscfd. ARCO reduced production rates and shut-in 6 wells equaling 80mmscfd. Wells were shut-in or choked back starting at 21:45 hours. 4. 5. Rev 6/22/97 ' ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Facility Operator Field(s) Month/Year of Disposition GATHERING CENTER 2 BP EXPLORATION ALASKA WESTERN OPERATING AREA-PBU Jun-98 • • Disposition 1. Sold 0 2. Reinjected 2,436,767 3. Flared or vented less than 1 hour 4,581 4. Flared or vented greater than 1 hour (Supplemental repot required--See 20 AAC 25.235) 24,214 5. Pilot and Purge 21,012 6. Used for lease operations 530,831 7.Other 0 TOTAL items 1 - 7 3,017,405 8. NGL gas equivalent produced 0 9. Purchased gas 0 10. Transferred from: 0 11. Transferred to: CCP 21,810,788 Remarks: I hereby certify that the foregoing is true and correct to the best of my knowledge. Sign ~ ~ ~ ,fir /'~ ~~ ~ /Title: SUPERVISOR Form 1'0-422 (Revised 4J95) *Indicate contribution of each pool to total. Pool Name Code Percent PRUDHOE 640150 100 Official Use Onl --Fladn Anthotization > 1 hr. 1. Safety MCF 2. Lease Use MCF 3. Conserv. Purposes MCF Commissioner Date 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. BP EXPLORATION (ALASKA) INC. PRUDHOE BAY UNIT - GC-2 GAS FLARING INCIDENT REPORT JUNE, 1998 Unplanned Events less than or equal to 1 hour DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE 6/1/98 0206-0247 151 Not required for unplanned events which Not required for unplanned events whi< 6/1/98 0827-0846 119 are less than or equal to 1 hour are less than or equal to 1 hour 6/3/98 0025-0051 76 6/4/98 0850-0940 213 6/5/98 2310-2333 80 6/6/98 0620-0706 288 6/6/98 1300-1331 151 6!7/98 0958-1057 451 6/7/98 1926-2005 52 • 6/8/98 6/12/98 1802-1832 1427-1517 31 194 6/16/98 1614-1657 250 6/18/98 0755-0830 100 6/18/98 1056-1152 270 6/24/98 1427-1455 194 6/27/98 1006-1102 817 6/27/98 1257-1327 250 6/27/98 2247-2304 130 6/28/98 0855-0913 250 6/28/98 1811-1838 206 6/28/98 2114-2151 308 TOTAL 4,581 Un tanned Events reater than 1 hour DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE 6/3/98 0659-0802 481 See Attachments See Attachments 6/4/98 1909-2027 45 See Attachments See Attachments 6/5/98 0251-0420 125 See Attachments See Attachments 6/5/98 1538-1705 5,259 See Attachments See Attachments 6/5/98 1740-1846 410 See Attachments See Attachments 6/6/98 1803-1949 63 See Attachments See Attachments 6/22/98 0516-1752 4,988 See Attachments See Attachments 6/23/98 1109-1633 2,250 See Attachments See Attachments 6/24/98 0153-0303 462 See Attachments See Attachments 6/24/98 0318-0424 550 See Attachments See Attachments 6/25/98 1009-1201 1,042 See Attachments See Attachments 6/25/98 1403-1755 1,767 See Attachments See Attachments 6/25/98 2034-2326 325 See Attachments See Attachments 6/26/98 0225-0408 368 See Attachments See Attachments 6/27/98 0651-0831 683 See Attachments See Attachments 6/28/98 1253-1355 517 See Attachments See Attachments 6/29/98 0821-0927 550 See Attachments See Attachments 6/29/98 1738-1920 1,467 See Attachments See Attachments 6/30/98 1120-1414 2,417 See Attachments See Attachments TOTAL 23,769 Page 1 BP EXPLORATION (ALASKA) INC. PRUDHOE BAY UNIT - GC-2 GAS FLARING INCIDENT REPORT JUNE, 1998 Planned Events Less Than or Equal 1 Hour AND Not Exceeding 5000 Mcf DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE TOTAL Planned Events Exceeding 1 Hour OR Exceeding 5000 Mcf DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE 6/19/98 1146-1635 445 See Attachments See Attachments TOTAL 445 TOTAL Unplanned Events < 1 Hour 4,581 • Unplanned Events > 1 Hour 23,769 Planned Events < 1 hour 8c not 0 exceeding 5,000 MCF Planned Events > t hour and 445 exceeding 5,000 MCF Pilot Purge 27.012 TOTAL FLARED VOLUME 49,807 Page 2 • REPORT NO: 98-4337 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 03 Jun 98 TIME OF FLARING: 1. FROM: 00:25 To: 00;51 2. FROM: 06:59 To: 08:02 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 0 Hrs. 26 Mins. 1 Hrs. 3 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Intermittent Yes No ® ^ ^ ^ ^ ^ ^ ^ TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 557 MSCF VOLUME 76 MSCF 481 MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. While bringing production rates up following GC2 and FS2 planned maintenance, the gas transit line pressured up. 2. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 6°F. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 2 wells equaling 90 mmscfd. Wells were shut-in or choked back starting at 0030 hours. 2. BPX reduced production rates and shut-in 3 wells equaling 50 mmscfd. ARCO reduced production rates and shut-in 6 wells equaling 200 mmscfd. Wells were shut-in or choked back starting at 07:00 hours. 3. 4. 5. Rev 6/22/97 • REPORT NO: 9$-4339 BPX FLARE REPORT PRUDHOE BAY FACILITY: (aC-2 DATE: O4 JUn 98 TOTAL VOLUME: 2rj$ MSCF Intermittent Black TIME OF FLARING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 08:50 TO: 09:40 ' O Hrs. 50 Mins. ® ^ ^ ^ 213 MSCF 2. FROM: 19:09 TO: 20:27 1 Hrs. 18 Mins. ® ^ ^ ^ 45 MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK: _ CONTROLLED BLOWDOWN: _ OTHER: _ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 6°F. 2. While bringing up production rates to optimize the facilities, the gas transit line pressured up. 3. 4. 5. Action Taken to Stop Flaring: 1. ARCO reduced production rates and shut-in 3 wells equaling 100 mmscfd. Wells were shut-in or choked back starting at 09:00 hours. 2. BPX reduced production rates and shut-in 2 wells equaling 60 mmscfd. ARCO reduced production rates and shut-in 2 wells equaling 60 mmscfd. Wells were shut-in or choked back starting at 1930 hours. 3. 4. 5. I Rev 6/22/97 • . REPORT NO: 9$-4340 B PX FLARE REPORT ' PRUDHOE BAY - FACILITY: GC-2 DATE: 05 Jun 98 TOTAL VOLUME: 5,874 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 02:51 TO: 04:20 1 Hrs. 29 Mins. ® ^ ^ ^ 125 MSCF 2. FROM: 15:38 TO: 17:05 1 Hrs. 27 Mins. ^ ® ^ ^ 5,259 MSCF 3. FROM: 17:40 TO: 1$:46 1 Hrs. 6 Mins. ® ^ ^ ^ 410 MSCF 4. FROM: 23:10 TO: 23:33 0 Hrs. 23 Mins. ® ^ ^ ^ $0 MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER: First Determination of Cause: 1. While bringing production rates up following GC2 D-bank planned maintenance the gas transit line pressured up. 2. LPS compressor K-7000 shut down because of control/instrumentation failure associated with a faulty UPS inverter. 3. While bringing up production following K-7000 start-up the gas transit line prrssured up. 4. While bringing up production following K-7000 start-up the gas transit line prrssured up. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 3 wells equaling 85 mmscfd. Wells were shut-in or choked back starting at 0251 hours. 2. BPX reduced production rates and shut-in 32 wells equaling 275 mmscfd. Wells were shut-in or choked back starting at 15:45 hours. 3. BPX reduced production rates and shut-in 3 wells equaling 85 mmscfd. ARCO reduced production rates and shut-in 5 wells equaling 150 mmscfd. Wells were shut-in or choked back starting at 1740 hours. 4. BPX reduced production rates and shut-in 2 wells equaling 60 mmscfd. Wells were shut-in or choked back starting at 2310 hours. 5. Rev 6/22/97 • REPORT NO: 9$-4341 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: O6 ~UI'1 98 TOTAL VOLUME: 502 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 06:20 TO: 07:06 0 Hrs. 46 Mins. ^ ® ^ ^ 288 MSCF 2. FROM: 13:00 TO: 13:31 0 Hrs. 31 Mins. ^ ® ^ ^ 151 MSCF 3. FROM: 18:03 TO: 19:49 1 Hrs. 46 Mins. ® ^ ^ ^ 63 MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK: CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 4°F. 2. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 5°F. 3. While optimizing rates at GC2 the gas transit line pressured up. 4. 5. Action Taken to Stop Flaring: 1. Arco reduced production rates and shut-in 1 wells equaling 70 mmscfd. Wells were shut-in or choked back starting at 06:15 hours. 2. BPX reduced production rates and shut-in 1 wells equaling 50 mmscfd. Wells were shut-in or choked back starting at 13:00 hours. 3. BPX reduced production rates and shut-in 1 wells equaling 60 mmscfd. Wells were shut-in or choked back starting at 1900 hours. 4. 5. Rev 6/22/97 • ~ REPORT NO: 98-4355 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 19 Jun 98 TIME OF FLARING: ~ . FROM: 11:46 To: 16:35 2. FROM: TO: 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 4 Hrs. 49 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Intermittent Yes No ^ ^ ^ ^ ^ ^ ^ ^ TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ 445 MscF VOLUME 445 MscF MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER: First Determination of Cause: 1. Sk-18 IP compressor shut down because of a problem associated with low production rates. Assist gas was used to prevent black smoke. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. The GC was in the process of shutting down and depressuring for maintenance. 2. 3. 4. 5. Rev 6/22/97 • BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 22 Jun 98 TIME OF FLARING: DURATION: 1. FROM: Q5:16 TO: 17:52 12 Hrs. 36 Mins. 2. FROM: TO: Hrs. Mins. 3. FROM: TO: Hrs. Mins. 4. FROM: TO: Hrs. Mins. 5. FROM: TO: Hrs. Mins. Intermittent Yes No ^ ^ ^ ^ ^ ^ ^ ^ REPORT NO: TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 98-4359 4,Q$$ MSCF VOLUME 4,988 MSCF MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. Extended flaring event occurred while awaiting GC operator/maintenance evaluation.Sk-18 LP/IP compressor shut down because of a problem associated with start up of GC after maintenance turnaround. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. LP/IP compressors were started at 18:50 hours. 2. 3. 4. 5. Rev 6/22/97 F~~~~ `~ v~U~,. ~ ~~ ~~~ ~ ~. ~~ Ala ~~r~t' ~~ t . -.. • BPX FLARE REPORT PRUDHOE BAY REPORT NO: 98-4361 FACILITY: GC-2 DATE: 23 Jun 98 TIME OF FLARING: 1. FROM: 11:Q9 TO: 16:33 2. FROM: TO: 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 5 Hrs. 24 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Intermittent Yes No ^ ^ ^ ^ ^ ^ ^ ^ TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 2,250 MSCF VOLUME 2,250 MSCF MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. Extended flaring event occurred while awaiting GC operator/maintenance evaluation. Sk-18 LP compressor shut down because of a problem associated with low oil rates due to LPS compressor repair. Assist gas used to prevent black smoke. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. LP compressor was started at 16:28. 2. 3. 4. 5. ' Rev 6P22/97 • i REPORT NO: 98-4363 ~' B PX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 24 Jun 98 TOTAL VOLUME: 1,206 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 01:53 TO: 03:03 1 Hrs. 10 Mins. ^ ® ^ ^ 462 MSCF 2. FROM: 03:18 To: 04:24 1 Hrs. 6 Mins. ^ ® ^ ^ 550 MscF 3. FROM: 14:27 To: 14:55 0 Hrs. 2$ Mins. ^ ® ^ ^ 194 MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK: CONTROLLED SLOWDOWN: _ OTHER: _ First Determination of Cause: 1. Extended flaring event occurred while awaiting GC operator/maintenance evaluation. Sk-18 LP compressor shut down because of a problem associated with low oil rates due to LPS compressor repair. Assist gas used to prevent black smoke. 2. Sk-18 IP/LP compressors shut down because of unstable plant conditions associated with low oil rates due to LPS compressor repair. Assist gas used to prevent black smoke. 3. While bringing production rates up following GC-2 s/d, high gas transit line occured. 4. 5. Action Taken to Stop Flaring: 1. LP/IP compressors were started at 03:02 hrs. 2. LP/IP compressors were started at 04:22 hrs. 3. BPX reduced production rates and shut-in 1 well equaling 42 mmscfd. ARCO reduced production rates and shut-in 2 wells equaling 75 mmscfd. Wells were shut-in or choked back starting at 14:30 hours. 4. 5. Rev 6/22/97 i • REPORT NO: 98-4365 B PX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 25 Jun 98 TOTAL VOLUME: $134 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 10:09 TO: 12:01 1 Hrs. 52 Mins. ® ^ ^ ^ 1,042 MSCF 2. FROM: 14:03 TO: 17:55 3 Hrs. 52 Mins. ® ^ ^ ^ 1,767 MSCF 3. FROM: 20:34 TO: 23:26 2 Hrs. 52 Mins• ® ^ ^ ^ 325 MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. While bringing production rates up following GC-2 turnaround, LPS compressors exceeded maximum gas capacity and discharged to flare. 2. While bringing production rates up following GLT K-3200 start-up, LPS compressors exceeded maximum gas capacity and discharged to flare. 3. While bringing production rates up following GLT K-3200 start-up, LPS compressors exceeded maximum gas capacity and discharged to flare. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 4 wells equaling 62 mmscfd. ARCO reduced production rates and shut-in 2 wells equaling 55 mmscfd. Wells were shut-in or choked back starting at 10:19 hours. 2. BPX reduced production rates and shut-in 3 wells equaling 55 mmscfd. ARCO reduced production rates and shut-in 2 wells equaling 40 mmscfd. Wells were shut-in or choked back starting at 14:27 hours. 3. BPX reduced production rates by choking back on 13 wells equaling 45 mmscfd. Wells were choked back starting at 2000 hours. 4. 5. Rev 6/22/97 • • REPORT NO: BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 26 Jun 98 TIME OF FLARING: 1. FROM: 02:25 To: 04:08 2. FROM: TO: 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 1 Hrs. 43 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. TOTAL VOLUME: Interm ittent Black Yes No Smoke? Planned? ® ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 98-4368 368 MSCF VOLUME 368 MscF MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN: OTHER: First Determination of Cause: 1. High pressures on slugcatchers associated with wells unloading after K3200 gaslift compressor was put on line yesterday afternoon. As some wells unloaded others had to be choked back to keep from exceeding LP gas han capacity. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates by choking back wells to minimize flaring. Flaring was intermittant. 2. 3. 4. 5. Rev 6/22/97 • ~ REPORT NO: 9$-4371 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 27 .IUn 98 TIME OF FLARING: DURATION: 1. FROM: 06:51 TO: 08:31 1 Hrs. 40 Mins. 2. FROM: 10:06 TO: 11:02 O Hrs. 56 Mins. 3. FROM: 12:57 TO: 13:27 0 Hrs. 30 Mins. 4. FROM: 22:47 TO: 23:04 O Hrs. 17 Mins. 5. FROM: TO: Hrs. Mins. TOTAL VOLUME: Intermittent Black Yes No Smoke? Planned? ® ^ ^ ^ ^ ® ^ ^ ^ ® ^ ^ ^ ® ^ ^ ^ ^ ^ ^ 1 ~$$O MSCF VOLUME 683 MSCF 817 MSCF 250 MSCF 130 MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER: First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature incre 5°F. 2. GLT compressor K-3200 shut down because of control/instrumentation failure associated with faulty "chip detec 3. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature incre 4°F. 4. High gas transit line pressure caused while increasing prodution rates following earlier cutbacks. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 2 wells equaling 25 mmscfd. Wells were shut-in or choked back starti 07:15 hours. 2. BPX reduced production rates and shut-in 5 wells equaling 111 mmscfd. ARCO reduced production rates and sh wells equaling 50 mmscfd. Wells were shut-in or choked back starting at 10:11 hours. 3. BPX reduced production rates and shut-in 4 wells equaling 30mmscfd. ARCO reduced production rates and shu wells equaling 45 mmscfd. Wells were shut-in or choked back starting at 13:03 hours. 4. BPX choked back on 3 wells totaling 30 mmscfd. ARCO trimmed back 39 mmscfd. 5. Rev 6/22/97 • BPX FLARE REPORT PRUDHOE BAY • REPORT NO: 98-4373 FACILITY: GC-2 DATE: 28 JUn 98 TOTAL VOLUME: 1,2$1 MSCF Interm ittent Black TIME OF FLARING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 08:55 TO: 09:13 O Hrs. 18 Mins. ^ ® ^ ^ 250 MSCF 2. FROM: 12:53 TO: 13:55 1 Hrs. 2 Mins. ^ ® ^ ^ 517 MSCF 3. FROM: 1$:11 TO: 18:38 O Hrs. 27 Mins. ^ ® ^ ^ 206 MSCF 4. FROM: 21:14 TO: 21:51 O Hrs. 37 Mins. ^ ® ^ ^ 308 MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK: CONTROLLED SLOWDOWN: OTHER: First Determination of Cause: 1. High gas transit line pressure caused by CGF compressor s/d due to nipple leak on discharge. 2. High gas transit line pressure caused by CGF compressor s/d due to nipple leak on discharge. 3. High gas transit line pressure caused by ARCO artificial lift gas compressor unloading. 4. High gas transit line pressure caused by CGF 1801 low stage compressor shutdown. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 10 wells equaling 200 mmscfd. ARCO reduced production rates and s 22 wells equaling 400 mmscfd. Wells were shut-in or choked back starting at 08:55 hours. 2. BPX reduced production rates and shut-in 2 wells equaling 20mmscfd. ARCO reduced production rates and shu wells equaling 100 mmscfd. Wells were shut-in or choked back starting at 13:36 hours. 3. BPX trimmed back on 3 wells until ARCO loaded compressor. 4. BPX choked back on wells equaling 84 mmscfd. ARCO shutin wells equaling 60 mmscfd. Compressor was restarted. 5. Rev 6/22/97 • • REPORT NO: BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 29.,IU1198 TIME OF FLARING: 1. FROM: 08:21 To: 09:27 2. FROM: 17:38 To: 19:20 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 1 Hrs. 6 Mins. 1 Hrs. 42 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. TOTAL VOLUME: Intermittent Black Yes No Smoke? Planned? ^ ® ^ ^ ® ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 98-4376 2,017 MSCF VOLUME 55O MSCF 1,467 MscF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK: CONTROLLED SLOWDOWN: OTHER: First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature incre 6°F. 2. Sk-181P compressor shut down because of the high ambient temperatures. All skid 18 compressors were down due to hi temps. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 5 wells equaling 134 mmscfd. Wells were shut-in or choked back star 09:15 hours. 2. Equipment was restarted at 19:06 hours. 3. 4. 5. Rev 6/22/97 • • REPORT NO: 9$-4$79 .. BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 30 Jun 98 TOTAL VOLUME: 2417 MSCF Intermittent Black TIME OF FLARING: DURATION: Yes No Smoke? Planned? VOLUME ~ . FROM: 11:20 TO: 14:14 2 Hrs. 54 Mins. ^ ® ^ ^ 2,417 MSCF 2. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN: OTHER: First Determination of Cause: 1. While bringing production rates up following GC-1 annex s/d a high gas transit line pressure occured. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 7 wells equaling 160 mmscfd. ARCO reduced production rates and sh wells equaling 600 mmscfd. Wells were shut-in or choked back starting at 08:00 hours. 2. 3. 4. 5. Rev 6/22/97 ALASKA OII. AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Operator Field(s) Month/Year of Disposition 2 BP EXPLORATION ALASKA WESTERN OPERATING AREA-PBU May-98 Disposition 1. Sold I 0 2. Reinjected 3,152,149 3. Flared or vented less than 1 hour 9,387 4. Flared or vented greater than 1 hour 16,472 (Supvlemental repoR requved--See 20 AAC 25.235) 5. Pilot and Purge 26,356 6. Used for lease operations 541,149 7.Other 0 TOTAL items 1 - 7 3,745,513 8. NGL gas equivalent produced 0 • 9. Purchased gas 0 10. Transferred from: 0 11. Transferred to: CCP I 25,305,936 Remarks: I hereby certify that the~fo`regoing is true and correct to the best of my knowledge. Signature: ~~' /~~~, „ _ / ~~~ /9 q Title: SUPERVISOR *Indicate contribution of each pool to total. Pool Name Code Percent PRUDHOE 640150 100 Official Use Onl --Fladq ' Authorization > 1 fir. 1. Safety MCF 2. Lease Use MCF 3. Conserv. Purposes MCF Commissioner Date Note: All volumes must Ue 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 (Revised 4/95) BP EXPLORATION (ALASKA) INC. . PRUDHOE BAY UNIT- GG2 ' GAS FLARING INCIDENT REPORT MAY, 1998 Unplanned Events less than or equal to 1 hour DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE 5/5/98 0159-0206 293 Not required for unplanned events which Not required for unplanned events whit 5/9/98 1508-1558 417 are less than or equal to 1 hour are less than or equal to 1 hour 5/10/98 0323-0354 215 5/10/98 1938-1954 76 5/11 /98 1009-1026 118 5/12/98 0100-0120 382 5/12/98 0214-0251 139 5/12/98 1529-1611 122 5/13/98 1217-1310 479 5/13/98 1727-1759 1,778 • 5/17/98 0904-0937 167 5/19/98 0001-0026 313 5/22/98 0723-0738 833 5/22/98 1534-1628 638 5/24/98 0214-0253 117 5/24/98 1558-1625 229 5/26/98 1340-1418 58i 5/26/98 2306-2359 847 5/27/98 2021-2111 97 5/28/98 1122-1221 451 5/28/98 1530-1559 161 5/28/98 1946-2011 59 5/29/98 1830-1838 28 5/29/98 2004-2010 146 5/29/98 2033-2037 69 5/30/98 0715-0743 128 5/31/98 1600-1657 435 5/31 /98 2240-2316 69 TOTAL 9,387 • Unplanned Events reater than 1 hour DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE 5/2/98 1110-1352 178 See Attachments See Attachments 5/8/98 0225-0328 150 See Attachments See Attachments 5/8/98 2151-2254 159 See Attachments See Attachments 5/11/98 1820-2306 1,135 See Attachments See Attachments 5/12/98 0306-0408 9,583 See Attachments See Attachments 5/12/98 0529-0812 233 See Attachments See Attachments 5/12/98 2128-2320 701 See Attachments See Attachments 5/15/98 1152-1518 948 See Attachments See Attachments 5/17/98 0532-0732 683 See Attachments See Attachments 5/25/98 1537-1703 1,553 See Attachments See Attachments 5/28/98 0305-0434 94 See Attachments See Attachments 5/28/98 1329-1448 713 See Attachments See Attachments 5/30/98 1018-1156 214 See Attachments See Attachments 5/30/98 2138-2342 128 See Attachments See Attachments TOTAL 16,472 Page 1 Planned Events Less Than or Equal 1 Hour AND Not Exceedin 5000 Mcf DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE BP EXPLORATION (ALASKA) INC. PRUDHOE BAY UNIT - GC-2 GAS FLARING INCIDENT REPORT MAY, 1998 TOTAL Planned Events Exceedin 1 Hour OR Exceeding 5000 Mcf DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE TOTAL Unplanned Events < 1 Hour Unplanned Events > 1 Hour • Planned Events < 1 hour & not exceeding 5,000 MCF Planned Events > 1 hour and exceeding 5,000 MCF Pilot Purge TOTAL FLARED VOLUME TOTAL 9,387 16,472 26.356 52,215 Page 2 • • REPORT NO: 9$_42$$ BPX FLARE REPORT PRUDHOE BAY FACILITY: CiC-2 TIME OF FLARING: DATE: D2 May 98 1. FROM: 11:1 ~ TO: 13:52 2. FROM: TO: 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 2 Hrs. 42 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Intermittent Yes No ® ^ ^ ^ ^ ^ ^ ^ ^ ^ TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 178 MSCF VOLUME 178 MSCF MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 7°F. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 4 wells equaling 103 mmscfd. ARCO reduced production rates and shut-in 4 wells equaling 70 mmscfd. Wells were shut-in or choked back starting at 11:12 hours. 2. 3. 4. 5. Rev 6/2?J97 • REPORT NO: 9$_¢297 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: C)$ May 9$ TIME OF FLARING: 1. FROM: Q2:25 TO: Q3:28 2. FROM: 21:51 To: 22:54 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 1 Hrs. 3 Mins. 1 Hrs. 3 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Intermittent Yes No ® ^ ^ ^ ^ ^ ^ ^ ^ ^ TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ $Q J MSCF VOLUME 150 MSCF 159 MscF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. LPS compressors exceeded maximum gas capacity and discharged to flare as new sidetract well, H16, started to unload. 2. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 2°F. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 4 wells equaling 25 mmscfd. Wells were shut-in or choked back starting at 0225 hours. 2. BPX reduced production rates and shut-in 1 wells equaling 10 mmscfd. Wells were shut-in or choked back starting at 2152 hours. 3. 4. 5. Rev 6/22/97 • BPX FLARE REPORT PRUDHOE BAY REPORT NO: 9$-4305 FACILITY: GC-2 DATE: 11 May 98 TOTAL VOLUME: 1,253 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 10:09 TO: 10:26 0 Hrs. 17 Mins. ^ ® ^ ^ 118 MSCF 2. FROM: 1$:20 TO: 23:06 4 Hrs. 46 Mins. ® ^ ^ ^ 1,135 MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 3°F. 2. While bringing production rates up following B-dehydrator planned maintenance, LPS compressors exceeded maximum gas capacity and discharged to flare. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 4 wells equaling 80 mmscfd. ARCO reduced production rates and shut-in 2wells equaling 80 mmscfd. Wells were shut-in or choked back starting at 10:15 hours. 2. BPX reduced production rates and shut-in 6 wells equaling 65 mmscfd. ARCO reduced production rates and shut-in 4 wells equaling 80 mmscfd. Wells were shut-in or choked back starting at 1826 hours. 3. 4. 5. I Rev 6/22/97 BPX FLARE REPORT PRUDHOE BAY • REPORT NO: 98-430G FACILITY: GC-2 DATE: 12 May 98 TOTAL VOLUME: 10,459 MSCF Intermi ttent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 01:00 TO: 01:20 0 Hrs. 20 Mins. ® ^ ^ ^ 382 MSCF 2. FROM: 02:14 TO: 02:51 0 Hrs. 37 Mins. ® ^ ^ ^ 139 MSCF 3. FROM: 03:06 TO: 04:08 1 Hrs. 2 Mins. ^ ® ^ ^ 9,5$3 MSCF 4. FROM: 05:29 TO: 08:12 2 Hrs. 43 Mins. ® ^ ^ ^ 233 MSCF 5. FROM: 15:29 TO: 16:11 0 Hrs. 42 Mins. ® ^ ^ ^ 122 MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. Sk-18 LP compressor shut down due to low gas rates when C-bank shutdown on hight level. 2. While bringing production rates up following C-bank shutdown, LPS compressors exceeded maximum gas capacity and discharged to flare. 3. LPS compressor K-7000 shut down at 0306 hours because of a problem associated with high discharge temperature. K-7000 was restarted at 0332 hours, but reloading was delayed to replace a shear pin in the barn door. K-7000 was reloaded at 0408 hours. 4. Extended flaring event occurred while awaiting GC operator/maintenance evaluation on K7000 LPS compressor high exhaust temp trouble. 5. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 3°F. Action Taken to Stop Flaring: 1. Flaring was permitted to continue while GC operations personnel attempted to restart the equipment. The equipment was restarted at 0118 hours as production rates were ramped up. 2. BPX stopped bringing production rates up until wells unloaded and flaring was ceased. 3. BPX reduced production rates and shut-in 61 wells equaling 300 mmscfd. Wells were shut-in or choked back starting at 0306 hours. 4. BPX reduced production rates and shut-in 6 wells equaling 20 mmscfd. 5. BPX reduced production rates and shut-in 4 wells equaling 15 mmscfd. Wells were shut-in or choked back starting at 16:05 hours. Rev 6/22/97 • • REPORT NO: 9H-4308 BPX FLARE REPORT PRUDHOE BAY FACILITY: CaC-2 TIME OF FLARING: DATE: 12 May 98 1. FROM: 21:2$ TO: 23:20 2. FROM: TO: 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 1 Hrs. 52 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Intermittent Yes No ® ^ ^ ^ ^ ^ ^ ^ ^ ^ TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 701 MSCF VOLUME 701 MSCF MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER: First Determination of Cause: 1. While bringing production rates up following repairs at FS2, the gas transit line pressured up before production cuts could be made. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 3 wells equaling 100 mmscfd. ARCO reduced production rates and shut-in 3 wells equaling 80 mmscfd. Wells were shut-in or choked back starting at 2154 hours. 2. 3. 4. 5. Rev 6/22/97 • • REPORT NO: 9$-4313 BPX FLARE REPORT PRUDHOE BAY FACILITY: CaC-2 TIME OF FLARING: DATE: 15 May 98 1. FROM: 11:52 To: 15:18 2. FROM: TO: 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: $ Hrs. 26 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Intermittent Yes No ® ^ ^ ^ ^ ^ ^ ^ ^ ^ TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 948 MscF VOLUME 948 MscF MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 5°F. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 2 wells equaling 27mmscfd. ARCO reduced production rates and shut-in 3 wells equaling 50 mmscfd. Wells were shut-in or choked back starting at 12:00 hours. 2. 3. 4. 5. Rev 6/22/97 • • REPORT NO: 98-4314 B PX FLARE REPORT ' PRUDHOE BAY FACILITY: GC-2 DATE: 17 May 98 TOTAL VOLUME: 850 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 05:32 To: 07:32 2 Hrs. 0 Mins. ® ^ ^ ^ 683 MSCF 2. FROM: 09:04 TO: 09:37 0 Hrs. 33 Mins. ® ^ ^ ^ 167 MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. While bringing production rates up following "B" Bank S/D, LPS compressors exceeded maximum gas capacity and discharged to flare. 2. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 3°F. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 2 wells equaling 40 mmscfd. ARCO reduced production rates and shut-in 5 wells equaling 100 mmscfd. Wells were shut-in or choked back starting at 05:33 hours. 2. BPX reduced production rates and shut-in 2 wells equaling 30 mmscfd. Wells were shut-in or choked back starting at 09:05 hours. 3. 4. 5. Rev 6/22/97 BPX FLARE REPORT PRUDHOE BAY . REPORT NO: 9$-4326' FACILITY: GC-2 DATE: 25 May 98 TOTAL VOLUME: 1,553 MSCF Intermi ttent Black TIME OF FLARING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 15:37 TO: 17:03 1 Hrs. 26 Mins. ^ ® ^ ^ 1,553 MsCF 2. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK: _ CONTROLLED BLOWDOWN: OTHER: _ First Determination of Cause: _ 1. High gas transit line pressure caused by CGF compressor problems due to control techs . working on control panel. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 32 wells equaling 528 mmscfd. ARCO reduced production rates and shut-in 19 wells equaling 450 mmscfd. Wells were shut-in or choked back starting at 15:35 hours. 2. 3. 4. 5. Rev 6/22/97 BPX FLARE REPORT PRUDHOE BAY • REPORT NO: 9$-4332 FACILITY: GC-2 DATE: 28 May 98 TOTAL VOLUME: 1 X478 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 03:05 TO: 04:34 1 Hrs. 29 Mins. ® ^ ^ ^ 94 MSCF 2. FROM: 11:22 TO: 12:21 0 Hrs. 59 Mins. ^ ® ^ ^ 451 MSCF 3. FROM: 13:29 To: 14:48 1 Hrs. 19 Mins. ^ ® ^ ^ 713 MSCF 4. FROM: 15:30 TOs 15:59 O Hrs. 29 Mins. ^ ® ^ ^ 161 MSCF 5. FROM: 19:46 TO: 20:11 O Hrs. 25 Mins. ® ^ ^ ^ 59 MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. The gas transit line pressured up as BPX was adjusting production rates for optimization. 2. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 8°F. 3. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 4°F. 4. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 2°F. 5. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 1 °F. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 1 wells equaling 30 mmscfd. ARCO reduced production rates and shut-in 2 wells equaling 40 mmscfd. Wells were shut-in or choked back starting at 0320 hours. 2. BPX reduced production rates and shut-in 3 wells equaling 30 mmscfd. ARCO reduced production rates and shut-in 5 wells equaling 80 mmscfd. Wells were shut-in or choked back starting at 11:25 hours. 3. BPX reduced production rates and shut-in 5 wells equaling 80 mmscfd. ARCO reduced production rates and shut-in 10 wells equaling 220mmscfd. Wells were shut-in or choked back starting at 13:30 hours. 4. BPX reduced production rates and shut-in 2 wells equaling 30 mmscfd. Wells were shut-in or choked back starting at 15:30 hours. 5. BPX reduced production rates and shut-in 2 wells equaling 70 mmscfd. ARCO reduced production rates and shut-in 2 wells equaling 65 mmscfd. Wells were shut-in or choked back starting at 1950 hours. Rey srzas~ • • REPORT NO: g8-4334` B PX FLARE REPORT ' PRUDHOE BAY FACILITY: GC-2 DATE: 30 May 98 TOTAL VOLUME: 470 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 07;15 TO: 07:43 0 Hrs. 28 Mins. ® ^ ^ ^ 128 MSCF 2. FROM: 10:18 TO: 11:56 1 Hrs. 38 Mins. ® ^ ^ ^ 214 MSCF 3. FROM: 21:38 To: 23:42 2 Hrs. 4 Mins. ® ^ ^ ^ 128 MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 2°F. 2. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 5°F. 3. ARCO increassed gas rates to the gas transit line which resulted in higher gas transit line pressures. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 2 wells equaling 45 mmscfd. ARCO reduced production rates and shut-in 1 wells equaling 40 mmscfd. Wells were shut-in or choked back starting at 07:15 hours. 2. BPX reduced production rates and shut-in 2 wells equaling 50mmscfd. ARCO reduced production rates and shut-in 40 wells equaling 60mmscfd. Wells were shut-in or choked back starting at 10:30hours. 3. BPX reduced production rates and shut-in 3 wells equaling 55 mmscfd. ARCO reduced production rates and shut-in 3 wells equaling 70 mmscfd. Wells were shut-in or choked back starting at 2206 hours. 4. 5. I Rev 6/22/97 L ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Faci}ity Operator F"ield(s) Month/Year of Disposition GATHERING CENTER 2 BP EXPLORATION ALASKA WESTERN OPERATING AREA-PBU A r-98 Disposition 1. Sold 0 2. Reinjected 2,817,452 3. Flared or vented less than 1 hour 3,892 4. Flared or vented greater than 1 hour (Supplemental repoR mquved-See 20 AAC 25.235) 4,952 S. Pilot and Purge 21,851 6. Used for lease operations 474,093 7.Other 0 TOTAL items 1 - 7 3,322,240 8. NGL gas equivalent produced 0 9. Purchased gas 0 10. Transferred from: 0 11. Transferred to: CCP 20,422,726 Remarks: I hereby certify that the fo going is true and correct to the best of my knowledge. Signature: ~, l+^r ~l~( lg~ Title: SUPERVISOR Form 10-422 (Reviled 4/95) *Indicate contribution of each pool to total. Pool Name Code Percent PRUDHOE 640150 100 Official Use Onl :--Fladn Authorization > 1 hr. 1. Safety MCF 2. Lease Use MCF 3. Conserv. Purposes MCF Commissioner Date 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. BP EXPLORATION (ALASKA) INC. PRUDHOE BAY UNIT - GC-2 GAS FLARING INCIDENT REPORT APRIL, 1998 Unplanned Events less than or equal to 1 hour DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE 4/1/98 0019-0054 115 Not required for unplanned events which Not required for unplanned events whi< 4/4/98 0604-0638 118 are less than or equal to 1 hour are less than or equal to 1 hour 4/4/98 0704-0738 111 4/4/98 0803-0814 56 4/9/98 2220-2308 600 4/10/98 0157-0234 206 4/10/98 2252-2306 97 4/11/98 0227-0257 667 4/11/98 0344-0435 496 4/12/98 1312-1343 323 • 4/22/98 0432-0503 603 4/22/98 1531-1601 167 4/22/98 1810-1839 201 4/24/98 2340-2359 132 TOTAL 3,892 Un tanned Events reater than 1 hour DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE 4/3/98 i i 30-1310 521 See Attachments See Attachments 4/3/98 1423-1644 729 See Attachments See Attachments 4/3/98 1718-1856 1,083 See Attachments See Attachments 4/4/98 1033-1310 486 See Attachments See Attachments 4/9/98 0851-1003 521 See Attachments See Attachments 4/9/98 1447-1711 486 See Attachments See Attachments 4/10/98 0607-0741 313 See Attachments See Attachments 4/11/98 1231-1332 292 See Attachments See Attachments 4/11/98 2147-2302 521 See Attachments See Attachments TOTAL 4,952 Planned Events Less Than or Equal 1 Hour AND Not Exceedin 5000 Mcf DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE TOTAL Planned Events Exceedin 1 Hour OR Exceedin 5000 Mcf DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE TOTAL TOTAL Unplanned Events < 1 Hour 3,892 Unplanned Events> 1 Hour 4,952 Planned Events < 1 hour & not 0 exceeding 5,000 MCF Planned Events > 1 hour and 0 exceeding 5,000 MCF Pilot Purge 21,851 TOTAL FLARED VOLUME 30,695 Page 1 BPX FLARE REPORT PRUDHOE BAY • REPORT NO: 98-4249 FACILITY: GC-2 DATE: O3 Apr 9$ TOTAL VOLUME: 2,333 MSCF Intermi ttent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 11:30 TO: 13:1 O 1 Hrs. 40 Mins. ® ^ ^ ^ 521 MSCF 2. FROM: 14:23 TO: 16:44 2 Hrs. 21 Mins. ® ^ ^ ^ 729 MSCF 3. FROM: 17:18 TO: 1$:56 1 Hrs. 3$ Mins. ® ^ ^ ^ 1,083 MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 5°F. 2. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 7°F. 3. While bringing production rates up following a rate reduction due to increased ambient temperature, LPS compressors exceeded maximum gas capacity and discharged to flare. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 5 wells equaling 50 mmscfd. ARCO reduced production rates and shut-in 4 wells equaling 70 mmscfd. Wells were shut-in or choked back starting at 11:45 hours. 2. BPX reduced production rates and shut-in 6 wells equaling 75 mmscfd. ARCO reduced production rates and shut-in 7 wells equaling 100 mmscfd. Wells were shut-in or choked back starting at 14:30 hours. 3. BPX reduced production rates and shut-in 8 wells equaling 123 mmscfd. ARCO reduced production rates and shut-in 4 wells equaling 100 mmscfd. Wells were shut-in or choked back starting at 17:20 hours. 4. 5. ' Rev 6/22/97 BPX FLARE REPORT PRUDHOE BAY . REPORT NO: 9$-4250 FACILITY: GC-2 DATE: 04 Apr 98 TOTAL VOLUME: 771 MSCF Intermi ttent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 06:04 TO: 06:38 O Hrs. 34 Mins. ® ^ ^ ^ 118 MSCF 2. FROM: 07:04 TO: 07:3$ O Hrs. 34 Mins. ® ^ ^ ^ 111 MSCF 3. FROM: 08:03 TO: 08:14 O Hrs. 11 Mins. ® ^ ^ ^ 56 MSCF 4. FROM: 10:33 TO: 13:10 2 Hrs. 37 Mins. ® ^ ^ ^ 486 MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 3°F. 2. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 3°F. 3. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 2°F. 4. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 8°F. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 2 wells equaling 20 mmscfd. ARCO reduced production rates and shut-in 2 wells equaling 30 mmscfd. Wells were shut-in or choked back starting at 06:05 hours. 2. BPX reduced production rates and shut-in 1 wells equaling 15 mmscfd. ARCO reduced production rates and shut-in 2 wells equaling 25 mmscfd. Wells were shut-in or choked back starting at 07:15 hours. 3. BPX reduced production rates and shut-in 1 wells equaling 10 mmscfd. ARCO reduced production rates and shut-in 1 wells equaling 10 mmscfd. Wells were shut-in or choked back starting at 08:07 hours. 4. BPX reduced production rates and shut-in 6 wells equaling 200 mmscfd. ARCO reduced production rates and shut-in 12 wells equaling 200 mmscfd. Wells were shut-in or choked back starting at 1015 hours. 5. Rev 6/22/97 C~ BPX FLARE REPORT PRUDHOE BAY • REPORT NO: 9$-4259 FACILITY: GC-2 DATE: O9 Apr 98 TOTAL VOLUME: 1,607 MSCF Intermi ttent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 08:51 TO: 10:03 1 Hrs. 12 Mins. ® ^ ^ ^ 521 MSCF 2. FROM: 14:47 TO: 17:11 2 Hrs. 24 Mins. ® ^ ^ ^ 486 MSCF 3. FROM: 22:20 TO: 23:08 0 Hrs. 48 Mins. ^ ® ^ ^ 600 MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED SLOWDOWN: OTHER: First Determination of Cause: 1. High gas transit line pressure caused by CCP Tandem compressors load being swapped. 2. While bringing production rates up following WeIIPad N S/D, LPS compressors exceeded maximum gas capacity and discharged to flare. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 4°F. 3. While bringing production rates up following F-pad shut down, maximum gas capacity of field was exceeded. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 7 wells equaling 123 mmscfd. ARCO reduced production rates and shut-in 22 wells equaling 700 mmscfd. Wells were shut-in or choked back starting at 08:33 hours. 2. BPX reduced production rates and shut-in 6 wells equaling 30 mmscfd. Wells were shut-in or choked back starting at 15:02 hours. 3. BPX reduced production rates and shut-in 2 wells equaling 100 mmscfd. ARCO reduced production rates and shut-in 8 wells equaling 125 mmscfd. Wells were shut-in or choked back starting at 2230 hours. 4. 5. Rev 6/22/97 • BPX FLARE REPORT PRUDHOE BAY FACILITY: Ci. C-2 DATE: 10 Apr 98 . REPORT NO: 98-4260 TOTAL VOLUME: 616 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: O1 :57 TO: 02:34 O Hrs. 37 Mins. ® ^ ^ ^ 206 MSCF 2. FROM: 06:07 TO: 07:41 1 Hrs. 34 Mins. ® ^ ^ ^ 313 MSCF 3. FROM: 22:52 TO: 23:06 0 Hrs. 14 Mins. ^ ® ^ ^ 97 MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK: First Determination of Cause: 1. High gas transit line pressure caused by gas rate. 2. High gas transit line pressure caused by gas rate. 3. High gas transit line pressure caused by gas rate. 4. 5. CONTROLLED SLOWDOWN: OTHER: `~ I ^~ T~ ~'~~ S IT 1--1 Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 3 wells equaling 40 mmscfd. ARCO reduced production rates and shut-in 4 wells equaling 85 mmscfd. Wells were shut-in or choked back starting at 0205 hours. 2. BPX reduced production rates and shut-in 3 wells equaling 75 mmscfd. Wells were shut-in or choked back starting at 06:30 hours. 3. BPX reduced production rates and shut-in 3 wells equaling 100 mmscfd. ARCO reduced production rates and shut-in Swells equaling 100 mmscfd. Wells were shut-in or choked back starting at 2255 hours. 4. 5. Rev 6/22/97 BPX FLARE REPORT PRUDHOE BAY • REPORT NO: J$-4261 FACILITY: GC-2 DATE: 11 Apr 98 TOTAL VOLUME: 1 X976 MSCF Intermi ttent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 02:27 TO: 02:57 O Hrs. 30 Mins. ^ ® ^ ^ 667 MSCF 2. FROM: 03:44 TO: 04:35 0 Hrs. 51 Mins. ^ ® ^ ^ 496 MSCF 3. FROM: 12:31 TO: 13:32 1 Hrs. 1 Mins. ® ^ ^ ^ 292 MSCF 4. FROM: 21:47 TO: 23:02 1 Hrs. 15 Mins. ® ^ ^ ^ 521 MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER: First Determination of Cause: 1. High gas transit pressure due to CCP switching tandem compressors. 2. Hlgh gas transit pressure due to high gas rate. 3. While bringing production rates up following CCP starting up a high stage compressor after maintenance, LPS compressors exceeded maximum gas capacity and discharged to flare. 4. High gas rate in LP 5. Action Taken to Stop Flaring: 1. No response taken as this was deemed to be of short duration. 2. BPX reduced production rates and shut-in 8 wells equaling 175 mmscfd. ARCO reduced production rates and shut-in 6 wells equaling 150 mmscfd. Wells were shut-in or choked back starting at 0355 hours. 3. BPX reduced production rates and shut-in 4 wells equaling 65 mmscfd. ARCO reduced production rates and shut-in 4 wells equaling 80 mmscfd. Wells were shut-in or choked back starting at 12:40 hours. 4. BPX reduced production rates and shut-in 3 wells equaling 14 mmscfd. Wells were shut-in or choked back starting at 2150 hours. 5. Rev 6/22/97 •. i~ ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION ~ ~'. !~ Nye E ~~! -rc+ 4a~e- Facility Operator Field(s) ~Month/Year of Disposition GATHERING CENTER 2 BP EXPLORATION ALASKA WESTERN OPERATING AREA-PBU Mar-98 ~#~5~ ~ ~ ~~S ~Qi3 , Disposition 1. Sold 0 2. Reinjected 2,954,011 3. Flared or vented less than 1 hour 12,665 4. Flared or vented greater than 1 hour (Supplemental report required-See 20 AAC 25.235) 12,383 5. Pilot and Purge 24,049 6. Used for lease operations 652,951 7.Other 0 TOTAL items 1 - 7 3,656,059 8. NGL gas equivalent produced 0 9. Purchased gas 0 10. Transferred from: 0 11. Transferred to: CCP 24,898,103 Remarks: I hereby certify that the foregoing is true and correct to the best of my knowledge. Signature: ~~~G~~ " / •~~`~~ /~'~' ~~ Title: SUPERVISOR 7/ Form 10-422 (Revised 4/95) . ~.; *Indicate contribution of each pool to total. Q `- Pool Name Code Percent PRUDxoE 6aolso I00 Official. Use Onl --Flarin Authorization > 1 hr. 1. Safety MCF 2. Lease Use MCF 3. Conserv. Purposes MCF Commissioner Date pressure of 14.65 psis 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. BP EXPLORATION (ALASKA) INC. PRUDHOE BAY UNIT - GC-2 GAS FLARING INCIDENT REPORT MARCH, 1998 Un lanned Events less than ore ual to 1 hour DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE. ACTION TAKEN TO ELIMINATE CAUSE 3/1/98 0710-0725 156 Not required for unplanned events which Not required for unplanned events whi 3/1/98 2106-2126 76 are less than or equal to 1 hour are less than or equal to 1 hour 3/2/98 0812-0840 321 3/3/98 1621-1715 385 3/4/98 1302-1344 302 3/7/98 1132-1220 378 3/8/98 2046-2105 211 3/8/98 2234-2316 613 3/9/98 0520-0608 267 • 3/9/98 2041-2120 1,842 3/10/98 0038-0127 170 3/10/98 0940-1037 1,860 3/10/98 1309-1349 1,306 3/10/98 2247-2317 208 3/11 /98 0538-0620 462 3/17/98 0328-0345 118 3/19/98 1549-1628 406 3/19/98 2305-2337 174 3/20/98 0522-0609 264 3/20/98 1944-2036 285 3/20/98 2221-2248 167 3/21 /98 0830-0928 267 3/21/98 0949-1024 243 3/22/98 0000-0052 542 3/22/98 0123-0153 313 3/22/98 0759-0852 292 3/24/98 0001-0033 222 • 3/24/98 3/25/98 2100-2158 1430-1450 208 139 3/26/98 0852-0905 90 3/30/98 1500-1512 83 3/31 /98 0710-0720 104 3/31 /98 1213-1221 56 3/31 /98 1544-1557 135 TOTAL 12,665 Un lanned Events reater than 1 hour DATE TIME VOLUME DESCRIPTION-0F INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE 3/3/98 0601-0726 2,951 See Attachments See Attachments 3/6/98 1015-1118 594 See Attachments See Attachments 3/6/98 1618-1808 1,604 See Attachments See Attachments 3/10/98 1541-1927 4,551 See Attachments See Attachments 3/19/98 1017-1124 292 See Attachments See Attachments 3/20/98 0926-1040 333 See Attachments See Attachments 3/21/98 1757-1934 808 See Attachments See Attachments 3/23/98 0144-0314 1,250 See Attachments See Attachments TOTAL 12,383 Page 1 BP EXPLORATION (ALASKA) INC. ' PRUDHOE BAY UNIT - GC-2 • GAS FLARING INCIDENT REPORT MARCH, 1998 Planned Events Less Than or E ual 1 Hour AND Not Exceedin 5000 Mcf DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE. ACTION TAKEN TO ELIMINATE CAUSE TOTAL 0 Planned Events Exceedin f Hour OR Exceedin 5000 Mcf DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE TOTAL 0 TOTAL • Unplanned Events < 1 Hour 12,665 Unplanned Events> 1 Hour 12,383 Planned Events < 1 hour & not 0 exceeding 5,000 MCF Planned Events > 1 hour and 0 exceeding 5,000 MCF Pilot Purge 24.049 TOTAL FLARED VOLUME 49,097 Page 2 • REPORT NO: 9$-4ZOO B PX FLARE REPORT ' PRUDHOE BAY FACILITY: CiC-2 DATE: O3 Mal' 98 TOTAL VOLUME: 3586 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 06:01 TO: 07:26 1 Hrs. 25 Mins. ^ ® ^ ^ 2,951 MSCF 2. FROM: 16:21 TO: 17:15 O Hrs. 54 Mins. ® ^ ^ ^ 385 MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. LPS compressor K-7001 shut down due to a problem associated with oil leak on gas generator. 2. While bringing production rates up following K-7000 s/d, LPS compressors exceeded maximum gas capacity and discharged to flare. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 62 wells equaling 270mmscfd. Wells were shut-in or choked back starting at 05:59 hours. 2. BPX reduced production rates and shut-in 6 wells equaling 45 mmscfd. ARCO reduced production rates and shut-in 2 wells equaling 51 mmscfd. Wells were shut-in or choked back starting at 16:22 hours. 3. 4. 5. Rev 6/22/97 • • REPORT NO: C~$_42OS B PX FLARE REPORT ' PRUDHOE BAY FACILITY: CiC-2 DATE: 06 Mal' 98 TOTAL VOLUME: 2,1 Q$ MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 10:15 TO: 11:18 1 Hrs. 3 Mins. ® ^ ^ ^ 594 MSCF 2. FROM: 16:18 TO: 18:08 1 Hrs. 50 Mins. ® ^ ^ ^ 1,604 MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High gas transit line pressure caused by CGF compressor problems due to surging of compressor #1801 2. While bringing production rates up following GC-3 "D-bank s/d", LPS compressors exceeded maximum gas capacity and discharged to flare. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 3 wells equaling 52 mmscfd. ARCO reduced production rates and shut-in 8 wells equaling 113 mmscfd. Wells were shut-in or choked back starting at 10:03 hours. 2. Arco reduced production rates and shut-in 9 wells equaling 150 mmscfd. Wells were shut-in or choked back starting at 16:12 hours. 3. 4. 5. Rev 6/22/97 BPX FLARE REPORT PRUDHOE BAY . REPORT NO: J$-4212 FACILITY: GC-2 DATE: 1 O Mar 9S TOTAL VOLUME: $095 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 00:38 TO: 01:27 O Hrs. 49 Mins. ® ^ ^ ^ 170 MSCF 2. FROM: 09:40 TO: 10:37 0 Hrs. 57 Mins. ^ ® ^ ^ 1,860 MSCF 3. FROM: 13:09 TO: 13:49 0 Hrs. 40 Mins. ^ ® ^ ^ 1,306 MSCF 4. FROM: 15:41 To: 19:27 3 Hrs. 46 Mins. ^ ® ^ ^ 4,551 MSCF 5. FROM: 22;47 TO: 23:17 0 Hrs. 30 Mins. ^ ® ^ ^ 208 MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER: First Determination of Cause: 1. LP gas rate 2. Sk-18 LP -and IP compressors shut down because of a problem associated with compressors recieving light gas resulting in no compression. 3. Sk-18 LP and IP compressor shut down because of a problem associated with battery performance check. 4. Sk-18 LP compressor shut down because of a problem associated with compressors recieving light gas resulting in no compression. 5. While bringing production rates up following XXXXXX, LPS compressors exceeded maximum gas capacity and discharged to flare. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 6 wells equaling 25 mmscfd. Wells were shut-in or choked back starting at 0140 hours. 2. Flaring was permitted to continue while GC operations personnel attempted to restart the equipment. 3. Flaring was permitted to continue while GC operations personnel attempted to restart the equipment. 4. Equipment was restarted at XXXX hours. 5. BPX stopped bringing production rates up until wells unloaded and flaring was ceased. Rev 6/22/97 • • REPORT NO: 9$_4226 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 19 Mar 98 TOTAL VOLUME: 872 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 10:17 To: 11:24 1 Hrs. 7 Mins. ® ^ ^ ^ 292 MSCF 2. FROM: 15:49 TO: 16:28 0 Hrs. 39 Mins. ^ ® ^ ^ 406 MSCF 3. FROM: 23:05 TO: 23:37 0 Hrs. 32 Mins. ® ^ ^ ^ 174 MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 6°F. 2. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 5°F. 3. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 2°F. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 5 wells equaling 80 mmscfd. 2. BPX reduced production rates and shut-in 3 wells equaling 60 mmscfd. 3. BPX reduced production rates and shut-in 1 well equaling 15 mmscfd. ARCO reduced production rates and shut-in 2 wells equaling 40 mmscfd. Wells were shut-in or choked back starting at 23:08 hours. 4. 5. i Rev 6/22/97 • BPX FLARE REPORT PRUDHOE BAY REPORT NO: 98_Q.Q2$ FACILITY: Ca C-2 DATE: 2O Mal' 98 TOTAL VOLUME: 1 ~04.Q MSCF Intermi ttent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 05:22 TO: 06:09 O Hrs. 47 Mins. ® ^ ^ ^ 264 MSCF 2. FROM: 09:26 TO: 10:40 1 Hrs. 14 Mins. ^ ® ^ ^ 333 MSCF 3. FROM: 19:44 TO: 20:36 0 Hrs. 52 Mins. ® ^ ^ ^ 2$5 MSCF 4. FROM: 22:21 TO: 22:48 O Hrs. 27 Mins. ® ^ ^ ^ 167 MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK: CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High gas transit line pressure caused by ARCO rate increases. 2. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 4°F. 3. While bringing production rates up following CGF Tandem compressor combustion inspection, LPS compressors exceeded maximum gas capacity and discharged to flare. 4. While bringing production rates up following CGF Tandem compressor combustion inspection, LPS compressors exceeded maximum gas capacity and discharged to flare. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in Swells equaling 15 mmscfd. ARCO reduced production rates and shut-in 1 wells equaling 20 mmscfd. Wells were shut-in or choked back starting at 05:30 hours. 2. BPX reduced production rates and shut-in 2 wells equaling 40 mmscfd. ARCO reduced production rates and shut-in 3 wells equaling 60mmscfd. Wells were shut-in or choked back starting at 09:40 hours. 3. BPX reduced production rates and shut-in 2 wells equaling 20 mmscfd. Wells were shut-in or choked back starting at 19:45 hours. 4. BPX reduced production rates and shut-in 2 wells equaling 20 mmscfd. Wells were shut-in or choked back starting at 22:22 hours. 5. Rev 6/22/97 • REPORT NO: 98-4231 BPX FLARE REPORT PRUDHOE BAY FACILITY: (~(~-2 DATE: 21 Mar 98 TOTAL VOLUME: 1,31$ MSCF Intermittent Black TIM E OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 08:30 TO: 09:28 0 Hrs. 58 Mins. ® ^ ^ ^ 267 MSCF 2. FROM: 09:49 TO: 10:24 0 Hrs. 35 Mins. ^ ® ^ ^ 243 MSCF 3. FROM: 17:57 To: 19:34 1 Hrs. 37 Mins. ^ ® ^ ^ $O$ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 4°F. 2. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 9°F. 3. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 10°F. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 4wells equaling 25 mmscfd. 2. BPX reduced production rates and shut-in 5 wells equaling 100 mmscfd. ARCO reduced production rates and shut-in 5 wells equaling 150 mmscfd. Wells were shut-in or choked back starting at 0930hours. 3. BPX reduced production. rates and shut-in 3 wells equaling 45 mmscfd. ARCO reduced production rates and shut-in 5 wells equaling 125 mmscfd. Wells were shut-in or choked back starting at 18:00 hours. 4. 5. Rev 6/22/97 BPX FLARE REPORT PRUDHOE BAY • REPORT NO: 9$-423 FACILITY: GC-2 DATE: 23 Mar 98 TOTAL VOLUME: 1 X250 MSCF Intermi ttent Black TIME OF FLARING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 01:44 To: 03:14 1 Hrs. 30 Mins. ^ ® ^ ^ 1,250 MSCF 2. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. While bringing production rates up following GC-3 s/d, LPS compressors exceeded maxi mum gas capac ity and discharged to flare. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 4 wells equaling 90mmscfd. ARCO reduced production rates and shut-in 5 wells equaling 200mmscfd. Wells were shut-in or choked back starting at 01:45 hours. 2. 3. 4. 5. ae~ si2vs~ ALASKA OII. AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Facility Operator Field(s) Month/Year of Disposition GAIT-IERING CENTER 2 BP EXPLORATION ALASKA WESTERN OPERATING AREA-PBU Feb-98 • • Disposition 1. Sold 0 2. Reinjected 2,090,804 3. Flared or vented less than 1 hour 4,234 4. Flared or vented greater than 1 hour (Supplemental report required-See 20 AAC 25.235) 2,942 5. Pilot and Purge 24,584 6. Used for lease operations 636,471 7.Other 0 TOTAL items 1 - 7 2,759,035 8. NGL gas equivalent produced 0 9. Purchased gas 0 10. Transferred from: 0 11. Transferred to: CCP 22,125,335 Remarks: I hereby certify that the fo going is true and correct to the best of my knowledge. Signature: 2~ ~/~~ /~0 Title: SUPERVISOR Form 10-422 (Revised 4/95) *Indicate contribution of each pool to total. Pool Name Code Percent PRUDHOE 640150 100 Official Use Onl --Flarirt Authorization > I hr. 1. Safety MCF 2. Lease Use MCF 3. Conserv. Purposes MCF Commissioner Date 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. BP EXPLORATION (ALASKA) INC. PRUDHOE BAY UNIT - GC-2 GAS FLARING INCIDENT REPORT FEBRUARY, 1998 Unplanned Events less than ore ual to 1 hour DATE TIME- VOLUME DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE 2/1/98 0815-0852 260 Not required for unplanned events which Not required for unplanned events whi 2/3/98 0920-0934 100 are less than or equal to 1 hour are less than or equal to 1 hour 2/3/98 1615-1711 310 2/3/98 1802-1821 104 2/3/98 1913-1950 385 2/5/98 1552-1640 267 2/6/98 0552-0619 150 2/7/98 0820-0839 132 2/8/98 1252-1308 87 2/9/98 1511-1544 138 • 2/26/98 0025-0124 1,410 2/26/98 1309-1315 208 2/27/98 1046-1129 208 2/28/98 0820-0914 475 TOTAL 4,234 Un tanned Events reater than 1 hour DATf TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE. ACTION TAKEN TO ELIMINATE. CAUSE 2/1/98 1558-1732 650 See Attachments See Attachments 2/4/98 0840-0950 389 See Attachments See Attachments 2/4/98 1054-1211 642 See Attachments See Attachments 2/6/98 0001-0139 535 See Attachments See Attachments 2/7/98 1858-2108 469 See Attachments See Attachments 2/23/98 0521-0733 257 See Attachments See Attachments TOTAL 2,942 Planned Events Less Than or E ual 1 Hour AND Not Exceedin 5000 Mcf DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE • TOTAL 0 Planned Events Exceedin 1 Hour OR Exceedin 5000 Mcf DATE TIME VOLUME DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE TOTAL TOTAL Unplanned Events < 1 Hour 4,234 Unplanned Events> 1 Hour 2,942 Planned Events < 1 hour & not 0 exceeding 5,000 MCF Planned Events > 1 hour and 0 exceeding 5,000 MCF Pilot Purge 24.584 TOTAL FLARED VOLUME 31,760 Page 1 • • REPORT NO: 9$-4175 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 01 Feb 98 TIME OF FLARING: 1. FROM: 08:15 To: 08:52 2. FROM: 15:58 To: 17:32 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 0 Hrs. 37 Mins. 1 Hrs. 34 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Intermittent Yes No ® ^ ^ ^ ^ ^ ^ ^ TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 91 Q MSCF VOLUME 260 MscF 650 MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. While warming up EWE gas lift line, LPS compressors exceeded maximum gas capacity and discharged to flare. 2. While bringing production rates up following EWE GLT repairs, LPS compressors. exceeded maximum gas capacity and discharged to flare. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates equaling 10 mmscfd. Wells were shut-in or choked back starting at 08:30 hours. 2. BPX reduced production rates equaling 30 mmscfd. ARCO reduced production rates equaling 40 mmscfd. Wells were shut-in or choked back starting at 16:20 hours. 3. 4. 5. Rev 6/22/97 BPX FLARE REPORT PRUDHOE BAY • REPORT NO: 98-4177 FACILITY: GC-2 DATE: 04 Feb 98 TOTAL VOLUME: 1,031 MSCF Intermi ttent Black TIME OF FLARING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 08:40 TO: 09:50 1 Hrs. 1 O Mins. ^ ® ^ ^ 3$Q MSCF 2. FROM: 10:54 TO: 12:11 1 Hrs. 17 Mins. ^ ® ^ ^ 642 MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: _ RUPTURE DISK:_ X CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperatu re increased by 4°F. 2. High gas transit line pressure caused by high gas rate. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 5 wells equaling 65 mmscfd. ARCO reduced production rates and shut-in 4 wells equaling 40 mmscfd. 2. BPX reduced production rates and shut-in 4 wells equaling 38 mmscfd. ARCO reduced production rates and shut-in 2 wells equaling 40 mmscfd. Wells were shut-in or choked back starting at 1104 hours. 3. 4. 5. Rev 6/22/97 . . REPORT NO: 98-4179 , B PX FLARE REPORT ' PRUDHOE BAY FACILITY: Ca C-2 DATE: O6 Feb 98 TOTAL VOLUME: 685 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 00:01 TO: 01:39 1 Hrs. 38 Mins. ® ^ ^ ^ 535 MSCF 2. FROM: 05:52 TO: 06:19 0 Hrs. 27 Mins. ^ ® ^ ^ 150 MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High gas transit line pressure caused by bringing on R Pad following a S/D. 2. High gas transit line pressure caused by gas rate. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 3 wells equaling 40 mmscfd. ARCO reduced production rates and shut-in 2 wells equaling 50 mmscfd. Wells were shut-in or choked back starting at 00:15 hours. 2. BPX reduced production rates and shut-in 2 wells equaling 53 mmscfd. ARCO reduced production rates and shut-in 2 wells equaling 40 mmscfd. Wells were shut-in or choked back starting at 0558 hours. 3. ,4. 5. Rev 6/22/97 • • REPORT NO: 9$-4180 BPX FLARE REPORT PRUDHOE BAY FACILITY: CaC-2 DATE: O7 Feb 98 Intermittent TIME OF FLARING: DURATION: Yes No 1. FROM: OH:2O TO: 08:39 O Hrs. 19 Mins. ^ 2. FROM: 18:58 TO: 21:08 2 Hrs. 10 Mins. ® ^ 3. FROM: TO: Hrs. Mins. ^ ^ 4. FROM: TO: Hrs. Mins. ^ ^ 5. FROM: TO: Hrs. Mins. ^ ^ CH ECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ First Determination of Cause: 1. High gas transit line pressure cause d by gas rate. 2. High gas transit line pressure cause d by gas rate. 3. 4. 5. TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ CONTROLLED SLOWDOWN: 601 MSCF VOLUME 132 MSCF 469 MscF MSCF MSCF MSCF OTHER: Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 2 wells equaling 50 mmscfd. Wells were shut-in or choked back starting at 0825 hours. 2. BPX reduced production rates and shut-in 3 wells equaling 70 mmscfd. ARCO reduced production rates and shut-in 2 wells equaling 60 mmscfd. Wells were shut-in or choked back starting at 20:10 hours. 3. 4. 5. Rev 6/22/97 C~ • REPORT NO: 9$-4189 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 23 F@b 98 TOTAL VOLUME: 257 MSCF Intermi ttent Black TIME OF FLARING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 05:21 TO: 07:33 2 Hrs. 12 Mins. ® ^ ^ ^ 257 MSCF 2. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: _ RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Am bient temperatu re increased by 5°F. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and choked 5 wells equaling 20 mmscfd. Wells were shut-in or choked back starting at 05:59 hours. 2. 3. 4. 5. Rev 6/22/97 ALASKA OIL AND GAS CONSERVATION COMMISSION FACILITY REPORT OF PRODUCED GAS DISPOSITION Facility Operator Field(s) Month/Year of Disposition GATHERING CENTER 2 BP EXPLORATION ALASKA WESTERN OPERATING AREA-PBU Jan-98 • L~ Disposition 1. Sold 0 2. Reinjected 284,421 3. Flared or vented less than 1 hour 10,230 4. Flared or vented greater than 1 hour (Supplemental report requved--See 20 AAC 25.235) 7,483 5. Pilot and Purge 20,259 6. Used for lease operations 712,403 7.Other 0 TOTAL items 1 - 7 1,034,796 8. NGL gas equivalent produced 0 9. Purchased gas 0 10. Transferred from: 0 11. Transferred to: CCP 24,031,053 Remarks: I hereby certify th~at/the foregoing is true and correct to the best of my knowledge. Signature: (~G'C. Title: SUPERVISOR Form 10-422 (Revised 4/95) *Indicate contribution of each pool to total. Pool Name Code Percent PRUDHOE 640150 100 Official Use Only--Flarin' Authorization > I hr. 1. Safety MCF 2. Lease Use MCF 3. Conserv. Purposes MCF Commissioner Date 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. BP EXPLORATION (ALASKA) INC. PRUDHOE BAY UNIT - GC-2 ` GAS FLARING INCIDENT REPORT JANUARY, 1998 Unplanned Events less than or ec DATE. TIME 1 /2/98 0717-0758 1 /2/98 1241-1302 1/3/98 1000-1040 1 /5/98 1223-1248 1 /5/98 2209-2234 1 /7/98 2102-2145 1 /8/98 0920-0942 1 /9/98 0102-0130 1 /10/98 2312-2322 1 /11 /98 0050-0106 1 /11 /98 0805-0852 1 /11 /98 1053-1134 1 /11 /98 1733-1740 1 /11 /98 1807-1826 1 /12/98 1934-2001 1/12/98 2137-2154 1 /13/98 0403-0434 1/16/98 0455-0533 1/16/98 2230-2328 1 /17/98 0508-0556 1 /17/98 0710-0737 1 /17/98 1653-1722 1/18/98 0448-0525 • 1/18/98 0536-0625 1/18/98 0643-0654 1/18/98 2002-2027 1 /21 /98 0313-0344 1 /21 /98 1335-1426 1 /22/98 1140-1210 1 /22/98 2011-2031 1 /23/98 0206-0232 1 /23/98 0708-0751 i /25/98 1311-1359 1 /25/98 2247-2308 1 /28/98 1449-1503 1 /30/98 0112-0135 1 /30/98 0416-0435 1 /30/98 0436-0520 1 /31 /98 0527-0612 _ TOTAL Ito 1 hour ~ _UME DESCRIPTION OF INCIDENT & CAUSE ACTION TAKEN TO ELIMINATE CAUSE 142 Not required for unplanned events which Not required for unplanned events whit 73 are less than or equal to 1 hour are less than or equal to 1 hour 417 130 200 139 350 97 69 111 244 92 49 83 278 126 347 250 1,094 292 167 139 347 222 75 240 211 244 188 139 153 243 313 104 150 1,198 528 486 inn i u, cou Page 1 BP EXPLORATION (ALASKA) INC. ,. PRUDHOE BAY UNIT - GC-2 ` GAS FLARING INCIDENT REPORT JANUARY, 1998 Unplanned Events greater than 1 hour ~ DATE -TIME VOLUME'' DESCRIPTION OF FNCIDENT &CAUSE ACTION TAKEN TO ELIMINATE CAUSE 1/2/98 1841-2032 500 See Attachments See Attachments 1/9/98 1244-1504 252 See Attachments See Attachments 1/10/98 1009-1453 322 See Attachments See Attachments 1/15/98 1303-1450 215 See Attachments See Attachments 1/19/98 1634-2010 3,000 See Attachments See Attachments 1/21/98 1940-2152 410 See Attachments See Attachments 1/22/98 0211-0448 742 See Attachments See Attachments 1/22/98 0533-0713 375 See Attachments See Attachments 1/24/98 1611-1721 365 See Attachments See Attachments 1/25/98 1640-1829 361 See Attachments See Attachments 1/26/98 0221-0334 368 See Attachments See Attachments 1/28/98 0437-0629 573 See Attachments See Attachments TOTAL 7,483 Planned Events Less Than or Equal 1 Hour AND Not Exceedin 5000 Mcf DATE TIME YQLUME DESCRIPTION OF INCIDENT &CAUSE ACTION TAKEN TO ELIMINATE CAUSE TOTAL Planned Events Exceeding 1 Hour OR Exceeding 5000 Mcf ~ DATE: TIME VOLUME: DESCRIPTION OF INCIDENT &CAUSE ACTION TAKEN TO ELIMINATE CAUSE TOTAL 0 TOtAL Unplanned Events < 1 Hour 10,230 Unplanned Events > 1 Hour 7,483 Planned Events < 1 hour & not 0 exceeding 5,000 MCF Planned Events > 1 hour and 0 exceeding 5,000 MCF Pilot Purge 20,259 TOTAL FLARED VOLUME 37,972 Page 2 REPORT NO: J$-4140 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 02 Jan 98 TOTAL VOLUME: 71rj MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 07:17 TO: 07:58 0 Hrs. 41 Mins. ® ^ ^ ^ 142 MSCF 2. FROM: 12:41 TO: 13:02 0 Hrs. 21 Mins. ® ^ ^ ^ 73 MSCF 3. FROM: 18:41 TO: 20:32 1 Hrs. 51 Mins. ® ^ ^ ^ 500 MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK: CONTROLLED BLOWDOWN: _ OTHER: First Determination of Cause: 1. High gas transit line pressure caused by Arco bring up rates after wells coming on line when well work complete. 2. High gas transit line pressure caused by GLT compressor K-3200/3300 surging problems. 3. LPS flaring due to high discharge pressure caused by high pressure drop through HP coolers. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates equaling 20 mmscfd. Wells were choked back starting at 0718 hours. 2. BPX reduced production rates equaling 30 mmscfd. Wells were choked back starting at 1242 hours. 3. BPX reduced production rates equaling 20 mmscfd. Wells were shut-in or choked back starting at 19:10 hours. 4. 5. I Rev 6/22/97 • ~ REPORT NO: J$-4148 BPX FLARE REPORT PRUDHOE BAY 349 MscF FACILITY: GC-2 DATE: 09 Jan 98 TIME OF FLARING: 1. FROM: 01:02 TO: 01:30 2. FROM: 12:44 To: 15:04 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 0 Hrs. 28 Mins. 2 Hrs. 20 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Intermittent Yes No ® ^ ® ^ ^ ^ ^ ^ ^ ^ TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ First Determination of Cause: 1. High gas transit line pressure caused by CCP 1878 compressor problems due to speedtronic malfuction. 2. High gas transit line pressure caused by rate increases by ARCO. 3. 4. 5. VOLUME 97 MSCF 252 MSCF MSCF MSCF MSCF OTHER: Action Taken to Stop Flaring: 1. BPX reduced production rates equaling 85 mmscfd. ARCO reduced production rates equaling 200 mmscfd. Wells were choked back starting at 01:04 hours. 2. Arco reduced production rates and shutting in 3 wells equaling 55 mmscfd. BPX trimmed back on 2 wells. 3. 4. 5. Rev 6/22/97 • REPORT NO: 9$-4149 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 1 O Jan 98 TOTAL VOLUME: 391 MSCF Intermittent Black TIME OF FLARING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 10:09 TO: 14:53 4 Hrs. 44 Mins. ® ^ ^ ^ 322 MSCF 2. FROM: 23:12 TO: 23:22 O Hrs. 1 O Mins. ® ^ ^ ^ 69 MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 7°F. 2. While bringing production rates up following E-PAD shutdown maintenance work, LPS compressors exceeded maximum gas capacity and discharged to flare. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates by chokeing back 3 wells equaling 55 mmscfd. ARCO reduced production rates and shut-in wells equaling 50 mmscfd. Wells were shut-in or choked back starting at 11:15 and 14:10 hours. 2. BPX reduced production rates and shut-in 2 wells equaling 80 mmscfd. ARCO reduced production rates equaling 125 mmscfd. Wells were shut-in or choked back starting at 2259 hours. 3. 4. 5. Rev 6/22/97 • • REPORT NO: 98-4154 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 15 Jan 98 TIME OF FLARING: 1. FROM: 13:03 To: 14:50 2. FROM: TO: 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 1 Hrs. 47 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Intermittent Yes No ® ^ ^ ^ ^ ^ ^ ^ ^ ^ TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 215 MscF VOLUME 215 MSCF MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. While bringing production rates up following well work to J-19,J-18, LPS compressors exceeded maximum gas capacity and discharged to flare. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates equaling 30 mmscfd. Wells were choked back starting at 1308 hours. 2. 3. 4. 5. Rev 6/22/97 • ~ REPORT NO: J$-4160 BPX FLARE REPORT PRUDHOE BAY FACILITY: CaC-2 DATE: 19 fan 98 TIME OF FLARING: 1. FROM: 16:34 TO: 20:1 Q 2. FROM: TO: 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 3 Hrs. 36 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Intermittent Yes No ^ ^ ^ ^ ^ ^ ^ ^ TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 3~QQQ MSCF VOLUME 3,000 MSCF MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER: First Determination of Cause: 1. Sk-18 LP compressor shut down because of a problem associated with false high level indication in V-235. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. Equipment was restarted at 20:09 hours. An oil cut of 20mbo was taken to keep down the VP. To completely stop the flariing would be full plant s/d. Given the fact it was only temporary It was decided for safety reasons to keep plant operating. Of the 20mm per day of flaring, only 5mm was from the plant. Assist gas was used to elinate black smoke 2. 3. 4. 5. I Rev 6/22/97 U • REPORT NO: J$-4161 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 21 Jan 98 TOTAL VOLUME: 865 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Panned? VOLUME 1. FROM: 03:13 TO: 03:44 0 Hrs. 31 Mins. ® ^ ^ ^ 211 MSCF 2. FROM: 13:35 TO: 14:26 0 Hrs. 51 Mins. ® ^ ^ ^ 244 MSCF 3. FROM: 19:40 TO: 21:52 2 Hrs. 12 Mins. ® ^ ^ ^ 410 MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK: _ CONTROLLED SLOWDOWN: _ OTHER: _ First Determination of Cause: 1. While bringing production rates up LPS compressors exceeded maximum gas capacity and discharged to flare. 2. While bringing production rates up following K-7000 LPS Compressor work at GC-3, GC-2's LPS compressors exceeded maximum gas capacity and discharged to flare. 3. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 6°F. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 4 wells equaling 90 mmscfd. Wells were shut-in or choked back starting at 03:25 hours. 2. BPX reduced production rates and shut-in 3 wells equaling 40 mmscfd. Wells were shut-in or choked back starting at 13:40 hours. 3. BPX reduced production rates and shut-in 2 wells equaling 20 mmscfd. Wells were shut-in or choked back starting at 20:05 hours. 4. 5. ae~ si2vs~ r~ L • REPORT NO: 9$-4162 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 22 Jan 98 TOTAL VOLUME: 1 ,444. MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 02:11 TO: 04:48 2 Hrs. 37 Mins. ® ^ ^ ^ 742 MSCF 2. FROM: 05:33 TO: 07:13 1 Hrs. 40 Mins. ® ^ ^ ^ 375 MSCF 3. FROM: 11:40 To: 12:10 0 Hrs. 30 Mins. ® ^ ^ ^ 18$ MSCF 4. FROM: 20:11 TO: 20:31 0 Hrs. 20 Mins. ^ ® ^ ^ 139 MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK: CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 3°F. 2. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 3°F. 3. High gas transit line pressure caused by due to ARCO bringing on several wells after wellwork completed. 4. High ambient temperature swings resulted in flaring and required cuts in production. Ambient temperature increased by 3°F. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 2 wells equaling 30 mmscfd. ARCO reduced production rates and shut-in 2 wells equaling 40 mmscfd. Wells were shut-in or choked back starting at 02:17 hours. 2. BPX reduced production rates and shut-in 4 wells equaling 70 mmscfd. Wells were shut-in or choked back starting at 06:00 hours. 3. BPX reduced production rates and shut-in 3 wells equaling 35 mmscfd. Wells were shut-in or choked back starting at 11:50 hours. 4. BPX reduced production rates and shut-in 2 wells equaling 24 mmscfd. Wells were shut-in or choked back starting at 20:12 hours. 5. i Rev 6/22/97 L~ BPX FLARE REPORT PRUDHOE BAY • REPORT NO: J$-4165 Y FACILITY: GC-2 DATE: 24 Jarl 98 TOTAL VOLUME: ' 365 MSCF Intermittent Black TIME OF FLARING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 16:11 TO: 17:21 1 Hrs. 1 O Mins. ® ^ ^ ^ 365 MSCF 2. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 3. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. High ambient temperature swings re sulted in flaring and required cuts in production. Ambient temperature increased by 4°F. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 2 wells equaling 25 mmscfd. ARCO reduced production rates and shut-in 2 wells equaling 20 mmscfd. Wells were shut-in or choked back starting at 16:28 hours. 2. 3. 4. 5. Aev 6/22/97 • • REPORT NO: J$-4166 BPX FLARE REPORT PRUDHOE BAY FACILITY: Ci(;-2 DATE: 25 Jan 98 TOTAL VOLUME: 778 MSCF Intermittent Black TIME OF FLA RING: DURATION: Yes No Smoke? Planned? VOLUME 1. FROM: 13:11 TO: 13:59 0 Hrs. 48 Mins. ® ^ ^ ^ 313 MSCF 2. FROM: 16:40 To: 18:29 1 Hrs. 49 Mins. ® ^ ^ ^ 361 MSCF 3. FROM: 22:47 TO: 23:08 0 Hrs. 21 Mins. ® ^ ^ ^ 104 MSCF 4. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF 5. FROM: TO: Hrs. Mins. ^ ^ ^ ^ MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER: First Determination of Cause: 1. While bringing production rates up at EWE, the HP separators hit maximum gas pressure and discharged to flare. 2. Adjusting production rates, the HP separators hit maximum gas pressure and discharged to flare. LPS compressors exceeded maximum gas capacity and discharged to flare. 3. Adjusting production rates, the HP separators hit maximum gas pressure and discharged to flare. LPS compressors exceeded maximum gas capacity and discharged to flare. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates and shut-in 2 wells equaling 15 mmscfd. Wells were shut-in or choked back starting at 13:20 hours. 2. BPX reduced production rates and adjusted wells. 3. BPX reduced production rates and adjusted wells. 4. 5. Rev 6/22/97 • REPORT NO: 9$-4167 BPX FLARE REPORT PRUDHOE BAY FACILITY: GC-2 DATE: 26 Jan 98 TIME OF FLARING: 1. FROM: 02:21 To: 03:34 2. FROM: TO: 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 1 Hrs. 13 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Intermittent Yes No ® ^ ^ ^ ^ ^ ^ ^ ^ ^ CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK: First Determination of Cause: 1. LPS compressor K-7001 unloaded some of it's rate. 2. 3. 4. 5. Action Taken to Stop Flaring: 1. LPS compressor K-7001 was loaded up again. BPX trimmed LP gas rates. 2. 3. 4. 5. TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 36$ MSCF VOLUME 368 MSCF MSCF MSCF MSCF MSCF CONTROLLED SLOWDOWN: OTHER: Rev 6/22/97 REPORT NO: 9$-4169 BPX FLARE REPORT PRUDHOE BAY FACILITY: ~aC-2 DATE: 28 fan 98 TIME OF FLARING: 1. FROM: 04:37 TO: 06:29 2. FROM: 14:49 To: 15:03 3. FROM: TO: 4. FROM: TO: 5. FROM: TO: DURATION: 1 Hrs. 52 Mins. 0 Hrs. 14 Mins. Hrs. Mins. Hrs. Mins. Hrs. Mins. Intermittent Yes No ® ^ ^ ^ ^ ^ ^ ^ TOTAL VOLUME: Black Smoke? Planned? ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ 728 MSCF VOLUME 573 MSCF 15O MSCF MSCF MSCF MSCF CHECK ONE: FLARE/RELIEF VALVE: X RUPTURE DISK:_ CONTROLLED BLOWDOWN:_ OTHER:_ First Determination of Cause: 1. While bringing production rates up following GC -3 Skid 4 s/d, LPS compressors exceeded maximum gas capacity and discharged to flare. 2. High gas transit line pressure caused by wells unloading when put on production at GC-3. 3. 4. 5. Action Taken to Stop Flaring: 1. BPX reduced production rates on 7 wells equaling 50 mmscfd. ARCO reduced production rates on 3 wells equaling 50 mmscfd. Wells were shut-in or choked back starting at 04:39 hours. 2. BPX stopped bringing production rates up until wells unloaded and flaring was ceased. 3. 4. 5. Rev 6/22/97