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Accident # | 145500 |
State Police # | 12-07987 |
Accident Date | 2012-12-21 |
Report Date | 2012-12-28 |
Follow-up Date | 2013-02-26 |
Follow-up: | Yes |
Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
Sulfur Dioxide | 53m | NIG | NO | YES | NO | 3,694.0 pounds |
Accident Classified As: Reportable Quantity
On December 21, 2012 at 11:38 am, the Coker C-551 compressor tripped due to a low oil pressure indication. While filling the exchanger with lube oil, the pressure dipped and caused the C-551 compressor to trip. The resulting compressor trip routed gas to the Refinery flare system where it was combusted. The compressor was restarted and flaring ceased at 12:31 PM. After further investigation, it was determined that a procedure existed, but was not followed by unit personnel while completed by this task.
The 60 day follow-up letter states that after further investigation it was determined that a procedure existed for placing the lube oil exchanger back in service, but was not followed by unit personnel with completing this task.
The resulting compressor trip routed gas to the Refinery flare system where it combusted. The compressor was restarted and flaring ceased at 12:31PM. LDEQ conducted fence line monitoring with the result of no detection. ExxonMobil also conducted monitoring with the result of no detection. The reportable quantity of SO2 was exceeded as a result. Oil pressure was restored to operating range and the compressor was restarted. Refresher training has been conducted with unit personnel on the procedures for placing the lube oil exchanger back in service.
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