TENNESSEE GAS PIPELINE COMPANY
gas_transmission Incident — — December 13, 2023
Incident Information
| Incident Date | December 13, 2023 |
| Operator | TENNESSEE GAS PIPELINE COMPANY |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 29.44526, -96.22582 |
Cause
| Cause | MATERIAL FAILURE OF PIPE OR WELD |
| Subcause | "DESIGN-, CONSTRUCTION-, INSTALLATION-, OR FABRICATION-RELATED" |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $500,000 |
| Emergency Response | $750 |
| Other Costs | $0 |
Location Map
Incident Narrative
"ON DECEMBER 13, 2023, TENNESSEE GAS PIPELINES (TGP) WAS NOTIFIED OF A POTENTIAL LEAK ON THE 100-1 LINE. AT 21:45, THE OPERATOR CONFIRMED THAT IT WAS PIPELINE GAS COMING FROM THE 100-1 LINE. AT 22:10, OPERATOR SHUT IN THE PIPELINE SEGMENT BETWEEN MLV-16 AND MLV-16-1BR CONTAINING THE LEAK. CRACK WAS SENT IN FOR METALLURGICAL ANALYSIS. VISUAL EXAMINATION REVEALED A 9-INCH LONG CRACK ALONG THE FUSION LINE OF A PRESSURE WELD AT THE BOTTOM OF THE PIPE BETWEEN THE 5:00 AND 7:00 POSITIONS. AT THE 6:00 POSITION, THE PRESSURE WELD EXHIBITED 0.24 INCHES OF RADIAL OFFSET. THIS MISALIGNMENT WAS THE CAUSE OF THE CRACK."
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.