ENTERPRISE PRODUCTS OPERATING LLC
gas_transmission Incident — — December 23, 2012
Incident Information
| Incident Date | December 23, 2012 |
| Operator | ENTERPRISE PRODUCTS OPERATING LLC |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 31.27004, -103.08587 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $5,000 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
"ON DECEMBER 23, 2012 AT 02:00AM, THE RELIEF VALVE ON WAHA COMPRESSOR #601 DISCHARGED. THIS RESULTED IN A RELEASE OF 4,230 MCF OF NATURAL GAS. THE OPERATING PRESSURE NEVER EXCEEDED 1020PSIG AT THE STATION THUS, NEVER EXCEEDING THE MAOP IS 1050 PSIG. UPON INVESTIGATION, A GAS ANALYZER DESIGNED TO DETECT H2S AT THE DELIVERY POINT FAILED RESULTING IN A SHUTDOWN OF THE COMPRESSOR STATION. THE SHUTDOWN RESULTED IN AN INCREASE OF PRESSURE AND SUBSEQUENT ACTIVATION OF THE RELIEF VALVE CAUSING THE RELEASE OF NATURAL GAS TO ATMOSPHERE. THE RELIEF VALVE FUNCTIONED PROPERLY AS DESIGNED."
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.