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Phillips 66 (2418), Belle Chasse
LDEQ Accident Report
| Accident # | 94025 |
| State Police # | 07-00572 |
| Accident Date | 2007-02-07 |
| Report Date | 2007-02-14 |
| Follow-up Date | 0000-00-00 |
| Follow-up: | No |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| Sulfur Dioxide | 26m | FLARE - 308F-D-1 Low Pressure Flare | NO | YES | NO | 646.9 pounds |
| Hydrogen Sulfide | 26m | FLARE - 308F-D-1 Low Pressure Flare | NO | NO | NO | 6.5 pounds |
| Nitrogen Dioxide | 26m | FLARE - 308F-D-1 Low Pressure Flare | NO | YES | YES | 8.3 pounds |
| Hydrocarbon | 26m | FLARE - 308F-D-1 Low Pressure Flare | NO | NO | YES | 79.9 pounds |
Accident Classified As:
Cause of Problem: Equipment Failure
A 34.5KV lightning arrestor failed near breaker W5305 (Carlisle #1 Line Bus, and an insulator failed on the disconnect switch on the other side of breaker W5305 (ConocoPhillips # 2 Line Bus). ConocoPhillips Alliance breakers W5305, W5301, W5304 tripped along with Carlisle W6922 breaker. All of these de-energized ConocoPhillips #2 Line to the plant leading to the Coker Compressor to trip off the line. The compressors suction stream was automatically diverted to the Low Pressure Flare (308F-D-1) during the emergency shutdown of the compressor.
Discharge Preventable - No
It was considered an unexpected mechanical function.
Notes/Remedial Actions
Three arrestors on breaker W3505 were replaced, as well as a failed insulator. Preventive measures are in place, but incidents of this type could not be anticipated by the prevention measures. A further investigation to discover the root cause of the malfunctions is ongoing.
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