TEXAS GAS TRANSMISSION, LLC
gas_transmission Incident — — March 2, 2021
Incident Information
| Incident Date | March 2, 2021 |
| Operator | TEXAS GAS TRANSMISSION, LLC |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 29.67555, -91.22020 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | DEFECTIVE OR LOOSE TUBING OR FITTING |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $173,000 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
ON 2/26/2021, TEXAS GAS OPERATIONS PERSONNEL RECEIVED NOTIFICATION FROM THE CONTRACT CREW WHO WAS PERFORMING RIGHT-OF-WAY MAINTENANCE THAT THEY OBSERVED BUBBLES IN THE BATEMAN ISLAND AREA INDICATING A POTENTIAL LEAK. OPERATIONS PERSONNEL MADE APPROPRIATE INTERNAL AND EXTERNAL NOTIFICATIONS. THE LEAK WAS INVESTIGATED ON 3/3/2021. INVESTIGATION REVEALED THAT VALVE EUT 10-1 HAD A SLIGHT LEAK COMING FROM BETWEEN THE VALVE BODY AND THE VALVE BONNET. GAS IN THE EUNICE-THIBODAUX 26-INCH LINE (EUT 26) WAS EVACUATED FROM THE EUT 26 TO THE EUNICE-THIBODAUX 20-INCH LINE (EUT 20); THE REMAINDER OF THE PRESSURE IN THE LINE WAS BLOWN TO ATMOSPHERE. THE VALVE BONNET WAS REMOVED, REPAIRED AND REINSTALLED ON 3/11/2021. THE VALVE COMPANY WHO PERFORMED THE REPAIR REPORTED THAT THE O-RING BETWEEN THE VALVE BODY AND VALVE BONNET WAS DAMAGED. THIS EVENT IS A REPORTABLE INCIDENT BECAUSE THE COST TO ACCESS THE LOCATION, WHICH IS IN A WET AREA, CAUSED THE REPAIR COST TO EXCEED $50,000. 3/25/21 UPDATE COST FROM $165,000 TO $173,000 FOR MORE ACCURATE REPORTING.
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.