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Shell Chemical East (26336), Norco
LDEQ Accident Report
| Accident # | 154254 |
| State Police # | 14-00970 |
| Accident Date | 2014-03-04 |
| Report Date | 2014-03-06 |
| Follow-up Date | 2014-05-01 |
| Follow-up: | Yes |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| Carbon Monoxide | 14h | OP-1 | NO | YES | NO | 5,842.0 pounds |
| Nitrogen Oxide | 14h | OP-1 | NO | YES | YES | 1,074.0 pounds |
| Particulate Matter | 14h | OP-1 | NO | YES | NO | 202.0 pounds |
| Volatile Organic Compounds (VOCs) | 14h | OP-1 | NO | NO | YES | 673.0 pounds |
| Benzene | 14h | OP-1 | NO | NO | YES | 4.0 pounds |
| 1,3-Butadiene | 14h | OP-1 | NO | NO | YES | BRQ |
| Ethylene | 14h | OP-1 | NO | NO | YES | BRQ |
| Carbon Dioxide | 14h | OP-1 | YES | NO | NO | BRQ |
| Propylene | 14h | OP-1 | NO | NO | YES | BRQ |
Accident Classified As: Below Reportable Quantity (BRQ)
Cause of Problem: Equipment Failure
On 3/4/2014, Shell Chemical's OP-1 Unit flared process gas at the GO1 Elevated Flare due to low lube oil pressure on the process gas compressor (PGC). The main lube oil pump for the PGC had a mechanical failure and unexpectedly shutdown, resulting in the shutdown of the PCG.
Discharge Preventable - No
The mechanical failure of the PGC was sudden and unexpected.
Notes/Remedial Actions
Immediately, feed was safely removed from the OP-1 PGC and once the failure was identified, the feed was removed from the OP-1 furnace to repair the PGC. To prevent the recurrence of this incident, the failed mechanical components of the affected lube oil system of the PGC were repaired and the OP-1 Unit was safely restarted and returned to normal operation on 3/14/2014.
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