TENNESSEE GAS PIPELINE CO (EL PASO)
gas_transmission Incident — — August 22, 2011
Incident Information
| Incident Date | August 22, 2011 |
| Operator | TENNESSEE GAS PIPELINE CO (EL PASO) |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 29.17137, -90.72167 |
Cause
| Cause | CORROSION FAILURE |
| Subcause | INTERNAL CORROSION |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $759,503 |
| Emergency Response | $350,000 |
| Other Costs | $0 |
Location Map
Incident Narrative
A LOCAL LANDOWNER IN THE LOUISIANA COASTAL MARSH AREA REPORTED SEEING A SMALL SHEEN OF LIQUID IN THE VICINITY OF TENNESEE GAS PIPELINE'S (TGP) 26"" 523M-100 LINE. TGP PERSONNEL INVESTIGATED AND DISPATCHED DIVERS WHO CONFIRMED A PINHOLE LEAK IN THE BODY OF THE PIPE. TGP ALSO MOBILIZED A LIQUID CLEAN-UP CONTRACTOR TO ADDRESS THE SMALL LIQUID ACCUMULATION. A CLAMP WAS INSTALLED OVER THE PINHOLE IN THE PIPE AND THE LINE WILL REMAIN SHUT IN FOR ABANDONMENT. SUBSEQUENT TO THIS AUGUST 22, 2011 REPORT, SEVERAL OTHER LEAKS OCCURRED THAT ONLY INVOLVED SMALL SHEENS AND DID NOT INVOLVE ANY ASSOCIATED GAS RELEASE. THE PIPELINE HAD BEEN TAKEN OUT OF SERVICE AND WAS AWAITING ABANDONMENT. THESE ARE NOTED HERE PURSUANT TO APPROVAL TO DO SO FROM MR. GENE ROBERSON, PHMSA SW REGION: 11/7/2011 NRC NO. 994780; 12/6/2011 NRC NO. 997331; 3/23/2012 NRC NO. 1006704.
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.