EL PASO NATURAL GAS CO
gas_transmission Incident — — June 10, 2015
Incident Information
| Incident Date | June 10, 2015 |
| Operator | EL PASO NATURAL GAS CO |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 35.46025, -100.97935 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $800 |
| Emergency Response | $150 |
| Other Costs | $0 |
Location Map
Incident Narrative
EPNG; LINE 3044; MILEPOST 68; PIPELINE 4X6 RELIEF VALVE PREMATURELY OPERATED; 12:15 (MOUNTAIN) TO 12:38 (MOUNTAIN); NEARBY RESIDENT CONTACTED EPNG STAFF; EPNG TECHNICIANS WERE IN THE AREA AND WERE DISPATCHED TO THE RELIEF VALVE SITE; EPNG TECHNICIANS CLOSED THE BLOCK VALVE BENEATH THE RELIEF VALVE HALTING THE RELEASE OF NATURAL GAS AT 12:38 (MOUNTAIN); SCADA DATA SHOWED 845 PSIG OPERATING PRESSURE WITH PRESSURE DECREASE TO 833 PSIG DURING THE RELEASE EVENT; MAOP IS 867 PSIG; EPNG TECHNICIANS INVESTIGATED RELIEF (BELIEVE DEBRIS OR TRASH MAY HAVE BEEN THE CAUSE OF PREMATURE RELIEF); RELIEF VALVE WAS RESET AND RETURNED TO SERVICE; PIPELINE SEGMENT WAS MANNED AND PRESSURE MANUALLY MONITORED WHILE RELIEF VALVE WAS NOT IN SERVICE; RELIEF VALVE RETURNED TO SERVICE 18:00 (MOUNTAIN);
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.