ANR PIPELINE CO
gas_transmission Incident —
Incident Information
| Report Date | — |
| Operator | ANR PIPELINE CO |
| Commodity | — |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 28.97833, -91.85583 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
A LEAK WAS DISCOVERED AT SOUTH MARSH ISLAND BLOCK 287 AS WORK WAS BEGINNING ON THE REPAIR OF A LEAK AT EUGENE ISLAND BLOCK 115. THE LEAK WAS APPARENTLY FOUND NEAR A SUB-SEA AUXILIARY VALVE ON ANR LINE 747. IT WAS TRACED BY A DIVING CREW TO A GREASE FITTING ON THE VALVE. FOLLOWING THE INVESTIGATION, THE REPAIR OF THE VALVE ASSEMBLY WAS PLANNED; THE DE-PRESSURIZATION OF THE PIPELINE WAS CONDUCTED BY VENTING THE GAS FROM THE SMI BLOCK 10 PLATFORM. THE VENTING BEGAN WITH 849 PSIG. ONCE THE PRESSURE ON THE LINE REACHED 23 PSIG., THE LEAKING FITTING ON THE VALVE WAS REPLACED. THE REPAIR WAS COMPLETED ON 2-22-14.
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.