"TEXAS EASTERN TRANSMISSION, LP"
gas_transmission Incident — — January 21, 2024
Incident Information
| Incident Date | January 21, 2024 |
| Operator | "TEXAS EASTERN TRANSMISSION, LP" |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 38.89134, -86.08522 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | MALFUNCTION OF CONTROL/RELIEF EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $0 |
| Emergency Response | $1,600 |
| Other Costs | $0 |
Location Map
Incident Narrative
"ON JANUARY 21, 2024, AT APPROXIMATELY 10:30 A.M. ET, ENBRIDGE WAS NOTIFIED BY THE LOCAL SHERIFF DEPARTMENT THAT A STRANGE NOISE WAS ORIGINATING FROM THE REGULATOR STATION. THE RESPONDING TECHNICIAN DISCOVERED THAT A 3-INCH RELIEF VALVE WAS VENTING, EVEN THOUGH STATION PRESSURES WERE WITHIN NORMAL OPERATING RANGE BELOW THE MAXIMUM ALLOWABLE OPERATING PRESSURE (MAOP). AT APPROXIMATELY 10:45 A.M. THE RELIEF VALVE WAS ISOLATED ELIMINATING THE GAS FROM VENTING TO ATMOSPHERE. THE INITIAL INVESTIGATION DETERMINED THE RELIEF VALVE LIKELY BEGAN VENTING AROUND 4:30 A.M. ET. THE STATION IS LOCATED OFF A RURAL COUNTY ROAD WITH LIMITED TRAFFIC. THE NEAREST DWELLING WAS APPROXIMATELY 1/2 MILE FROM THE STATION. THE PRELIMINARY GAS LOSS CALCULATIONS WERE COMPLETED AT APPROXIMATELY 1:10 P.M. ET CONFIRMING THAT THE VOLUME WOULD LIKELY EXCEED THE REPORTING THRESHOLD. THE NRC WAS SUBSEQUENTLY NOTIFIED AT 1:55 P.M. ET. THE RESPONDING TECHNICIAN DETERMINED THAT THE RELIEF VALVE MALFUNCTIONED AS THE RESULT OF A BLOCKED PILOT LINE (I.E. FROZEN). THE TECHNICIAN REPAIRED THE PILOT AND PLACED THE RELIEF VALVE BACK IN 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.