TRUNKLINE GAS CO
gas_transmission Incident —
Incident Information
| Report Date | — |
| Operator | TRUNKLINE GAS CO |
| Commodity | — |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 31.60081, -92.43076 |
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
ON 01/11/24 AT APPROXIMATELY 03:00, AN OVERPRESSURE PROTECTION VALVE FAILED AT POLLOCK COMPRESSOR STATION ALLOWING THE UNIT BLOWDOWN VALVE TO OPEN. THE UNIT WAS SHUTDOWN CAUSING THE RELIEF VALVE TO STOP BLOWING GAS. AFTER FURTHER INVESTIGATION, IT WAS DETERMINED AT 15:10 THAT APPROXIMATELY 15 MMSCF OF NATURAL GAS WAS RELEASE TO THE ATMOSPHERE. PILOT/RV WERE FUNCTIONALLY TESTED. DURING FUNCTION TESTING, THE DEVICE WOULD LIFT EARLY AND AT INCONSISTENT PRESSURES. PILOT/RV WAS REPLACED, AND FUNCTION TESTED. UNIT WAS RETURNED TO SERVICE.
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.