TENNESSEE GAS PIPELINE COMPANY
gas_transmission Incident — — March 2, 2015
Incident Information
| Incident Date | March 2, 2015 |
| Operator | TENNESSEE GAS PIPELINE COMPANY |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 34.56504, -89.65303 |
Cause
| Cause | MATERIAL FAILURE OF PIPE OR WELD |
| Subcause | "DESIGN-, CONSTRUCTION-, INSTALLATION-, OR FABRICATION-RELATED" |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $238,760 |
| Emergency Response | $2,000 |
| Other Costs | $0 |
Location Map
Incident Narrative
"A PIPELINE LEAK OF NATURAL GAS RESULTING IN NO INJURIES, FIRES, OR CUSTOMER IMPACTS WAS DISCOVERED ON MARCH 2, 2015 ON SECTION OF THE 100-1 MAINLINE OF TGP IN MARSHALL COUNTY, MISSISSIPPI. THE SEGMENT FROM VALVE SECTION 66-1 TO 67-1 WAS SECURED AND PROMPTLY BLOWN DOWN TO ISOLATE THE LEAK AND INITIATE REPAIRS. THE IMPACTED SEGMENT OF PIPE WAS SENT OFF FOR METALLURGICAL ANALYSIS ON MARCH 6, 2015 AND THE RESULTS SHOW THAT THE FRACTURE INITIATED FROM MULTIPLE ORIGINS ON THE INSIDE SURFACE OF THE PIPE AT THE PEAK OF THE WRINKLE. THE FRACTURE MODE WAS BRITTLE (QUASI-CLEAVAGE). THE FRACTURE SHOWED NO EVIDENCE OF FATIGUE AND THE FRACTURE LOCATION WAS ON THE TOP OF A RIDGE CONTAINING TWO 1
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.