"TEXAS EASTERN TRANSMISSION, LP"
gas_transmission Incident — — November 6, 2025
Incident Information
| Incident Date | November 6, 2025 |
| Operator | "TEXAS EASTERN TRANSMISSION, LP" |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 29.62031, -88.88696 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | THREADED CONNECTION/COUPLING FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $0 |
| Emergency Response | $75,000 |
| Other Costs | $13,000 |
Location Map
Incident Narrative
"DURING THE PURGING OPERATION OF A 16-INCH OFFSHORE PIPELINE (40-B-03) SCHEDULED FOR ABANDONMENT, A 2-INCH TEMPORARY HOSE USED FOR GAS VENTING BECAME DISCONNECTED FROM THE 16-INCH LINE APPROXIMATELY TWO HOURS INTO THE CONTROLLED PURGE. THIS DISCONNECTION RESULTED IN UNCONTROLLED UNDERWATER VENTING FOR AN ESTIMATED FIVE ADDITIONAL HOURS. THE VALVE AND TEMPORARY HOSE ASSEMBLY WERE SENT TO A LABORATORY FOR DETAILED FAILURE ANALYSIS. THE ANALYSIS DETERMINED THAT THE 2-INCH NIPPLE EXPERIENCED AN AXIAL LOAD COMBINED WITH BENDING FORCES. THESE FORCES CAUSED OVALIZATION OF THE NIPPLE CONNECTION AND ULTIMATELY LED TO SHEARING OF THE THREADED CONNECTION. THE PIPELINE (40-B-03) HAD SHUT DOWN AND ISOLATED SINCE OCTOBER."
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.