ENBRIDGE OFFSHORE (GAS TRANSMISSION) LLC
gas_transmission Incident — — May 7, 2010
Incident Information
| Incident Date | May 7, 2010 |
| Operator | ENBRIDGE OFFSHORE (GAS TRANSMISSION) LLC |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 28.28589, -92.56861 |
Cause
| Cause | OTHER OUTSIDE FORCE DAMAGE |
| Subcause | OTHER OUTSIDE FORCE DAMAGE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $0 |
| Emergency Response | $137,000 |
| Other Costs | $144,000 |
Location Map
Incident Narrative
W&T (THE VR320 PLATFORM PRODUCER) HIRED A VESSEL THE 'LIA JANE' TO DRAG METAL ""GORILLA"" NETS IN A 1300' RADIUS AROUND THE ABANDONED VR320 PLATFORM SITE. WHILE DRAGGING THE METAL NETS, SOMETHING WAS SNAGGED. WHILE THE VESSEL CREW WORKED TO ""UN-SNAG"" THE NET, THEY OBSERVED A LARGE GAS RELEASE, APPROXIMATELY 1/2 MILE TO THE WEST OF THEIR LOCATION. THE GAS RELEASE WAS 50' HIGH BY 100' WIDE BUT THERE WAS NO SHEEN. THE ENBRIDGE GAS CONTROL CENTER IMMEDIATELY NOTICED THE DROP IN PRESSURE ON THE STINGRAY 22"" PIPELINE AND SUBSEQUENTLY INITIATED THE INCIDENT COMMAND PROCEDURE WHICH RESULTED IN THE IMMEDIATE SHUT-IN OF PRODUCTION INTO THE 22"" AND BLOW-DOWN OF THE 22"" PIPELINE (FROM THE INCIDENT LOCATION TO THE TERMINATION OF THE 22"" PIPELINE AT WC509 COMPRESSOR STATION). DIVERS LATER CONFIRMED THE DAMAGE WAS ON A 6"" PIPELINE THAT GOES OUT TO THE VERMILION 326 PLATFORM.
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.