TRANSCONTINENTAL GAS PIPE LINE COMPANY
gas_transmission Incident — — December 18, 2024
Incident Information
| Incident Date | December 18, 2024 |
| Operator | TRANSCONTINENTAL GAS PIPE LINE COMPANY |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 31.81603, -89.04920 |
Cause
| Cause | MATERIAL FAILURE OF PIPE OR WELD |
| Subcause | "DESIGN-, CONSTRUCTION-, INSTALLATION-, OR FABRICATION-RELATED" |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $687,712 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
"ON WEDNESDAY, 12/18/2024, WILLIAMS CALLED THE NRC TO REPORT AN INCIDENT AT STATION 80 IN HEIDELBERG MS. ORIGINAL NRC# 1419339. THE INCIDENT WAS DUE TO A BROKEN NIPPLE ON THE DISCHARGE LINE CAUSING A FIRE AND MAIN UNIT 18 TO BLOW DOWN FOR 2 MINUTES. THE FIRE DID NOT REQUIRE AN EMERGENCY RESPONSE AND WAS EXTINGUISHED BY THE TECH ON SITE. UNIT IS DOWN AND WILL REMAIN DOWN UNTIL REPAIRS ARE MADE. THE PIPE NIPPLE HAS BEEN SENT OFF FOR METALLURGICAL ANALYSIS. UPDATE: THE THREADED CONNECTION FAILED AT THE LAST ENGAGED THREAD WHERE THE NOMINAL 1/2"" OD NIPPLE THREADED INTO THE COUPLER. METALLURGICAL ANALYSIS SHOWED THAT THE FAILURE WAS THE RESULT OF FATIGUE DEMONSTRATED THROUGH THE PRESENCE OF BEACH MARKS."
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.