TEXAS GAS TRANSMISSION, LLC
gas_transmission Incident — — December 24, 2017
Incident Information
| Incident Date | December 24, 2017 |
| Operator | TEXAS GAS TRANSMISSION, LLC |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 32.66399, -92.44219 |
Cause
| Cause | CORROSION FAILURE |
| Subcause | EXTERNAL CORROSION |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $136,689 |
| Emergency Response | $8,846 |
| Other Costs | $0 |
Location Map
Incident Narrative
A LANDOWNER CONTACTED TEXAS GAS CONTROL ROOM TO REPORT A SUSPECTED LEAK. OPERATIONS PERSONNEL VERIFIED THE LEAK AND ISOLATED THE SECTION OF PIPE CONTAINING THE LEAK UNTIL COMPLETE INVESTIGATION COULD BE PERFORMED. INVESTIGATION CONFIRMED LEAK AND THE PIPE JOINT CONTAINING THE LEAK WAS REPLACED. THE ROOT CAUSE OF THE EVENT IS CORROSION INTERACTING WITH A WELD DEFECT IN THE CIRCUMFERENTIAL WELD. THIS IS WHY THE ILI TOOL DID NOT DETECT THIS DEFECT IN 2017. WITHOUT THE CORROSION, THE CIRCUMFERENTIAL WELD DEFECT WOULD HAVE REMAINED STABLE, THEREFORE, THE ROOT CAUSE FOR THIS DEFECT IS CORROSION. 3-5-18 UPDATE PER PHMSA REQUEST. *LANDOWNER NOTIFICATION OCCURRED ON 12-24-2017 AT 14:30 *CONFIRMED DISCOVERY OCCURRED ON 12-24-2017 AT 14:50 *NRC CALL WAS MADE ON 12-24-2017 AT 15:24 *WILL UPDATE COSTS WHEN THEY BECOME AVAILABLE. 4-25-18 UPDATE WITH FINAL COSTS AND SUBMIT FINAL REPORT.
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.