EL PASO NATURAL GAS CO
gas_transmission Incident — — September 16, 2013
Incident Information
| Incident Date | September 16, 2013 |
| Operator | EL PASO NATURAL GAS CO |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 32.31555, -108.60888 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $100 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
REGULATOR FAILED CAUSING RELIEF VALVE TO OPEN. DID NOT EXCEED MAOP PLUS ALLOWABLE BUILDUP. A MOONEY FLOWGRID REGULATOR FAILED BECAUSE OF A DIAPHRAM THAT RUPTURED DUE TO LOSS OF FLEXIBILITY. THE REGULATOR FAILURE TRIGGERED THE RELIEF VALVE TO OPEN. THE RELIEF VALVE FUNCTIONED PROPERLY. THE MOONEY FLOWGRID REGULATOR IS SIZE 2 INCH WITH A CAPACITY OF 535.956 MCF PER HOUR. THE AGCO RELIEF VALVE HAS AN INLET SIZE 3 INCHES AND OUTLET SIZE 4 INCHES WITH A CAPACITY OF 611.206 MCF PER HOUR. THE REGULATOR WAS REBUILT WITH A NEW DIAPHRAM AND PLACED BACK IN SERVICE 9/16/2013.
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.