ANR PIPELINE CO
gas_transmission Incident — — February 18, 2014
Incident Information
| Incident Date | February 18, 2014 |
| Operator | ANR PIPELINE CO |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 28.97833, -91.85583 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | THREADED CONNECTION/COUPLING FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $100,000 |
| Emergency Response | $20,000 |
| Other Costs | $0 |
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.