CHEVRON MIDSTREAM PIPELINES LLC
hazardous_liquid Incident — — September 20, 2011
Incident Information
| Incident Date | September 20, 2011 |
| Operator | CHEVRON MIDSTREAM PIPELINES LLC |
| Commodity | HVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 29.70989, -90.25945 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | NON-THREADED CONNECTION FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $62,500 |
| Emergency Response | $5,000 |
| Other Costs | $0 |
Location Map
Incident Narrative
AT 14:47 CDT ON 20 SEP 11 FIELD PERSONNEL CONFIRMED A RELEASE @ THE LAKE SALVADOR VALVE SITE NEAR BARATARIA, LA. FAILURE OF A FLANGE CAUSED A VAPOR CLOUD TO PERSIST OVER THE VALVE SITE / PLATFORM. CSC SHUT DOWN FLOW TO THE LINE AND PERSONNEL ARE EN ROUTE TO BLOCK IN THE NEAREST VALVES. THE PIPELINE WAS DEPRESSURED AND THE GASKET WAS REPLACED. THE PIPELINE WAS PLACED BACK INSERVICE ON 09/24/11, AFTER THE GASKET REPLACEMENT.
About This Pipeline Incident
Pipeline incident data is reported to the Pipeline and Hazardous Materials Safety Administration (PHMSA). All significant incidents involving fatalities, injuries, or property damage over $50,000 must be reported.