TENNESSEE GAS PIPELINE CO (EL PASO)
gas_transmission Incident — — June 7, 2011
Incident Information
| Incident Date | June 7, 2011 |
| Operator | TENNESSEE GAS PIPELINE CO (EL PASO) |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 29.09711, -92.34997 |
Cause
| Cause | OTHER OUTSIDE FORCE DAMAGE |
| Subcause | ROUTINE OR NORMAL FISHING OR OTHER MARITIME ACTIVITY NOT ENGAGED IN EXCAVATION |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $261,000 |
| Emergency Response | $4,000 |
| Other Costs | $0 |
Location Map
Incident Narrative
BOEMRE (FORMERLY MMS), CONTACTED BY BLACK ELK ENERGY, NOTIFIED TGP OF A LEAK OFFSHORE IN VERMILLION BLOCK 116 THAT APPEARED TO BE IN THE VICINITY OF TGP FACILITIES. TGP MOBILIZED PERSONNEL AND BEGAN TO ISOLATE FACILITIES AROUND THE LEAK LOCATION. TGP'S 509A-1500 LINE WAS FOUND TO BE THE SOURCE OF THE LEAK. DIVERS DISCOVERED THAT A 1"" BODY BLEED VALVE AND NIPPLE WAS BROKEN IN THE NIPPLE THREADS, POSSIBLY CAUSED BY OUTSIDE FORCE IMPACT SUCH AS A SHRIMP NET. IT SHOULD BE NOTED THAT BLACK ELK ENERGY CALLED THE NRC ABOUT THE LEAK AND WAS ASSIGNED NO. 978918, WHICH TGP CLAIMED UPON CONTACTING THE NRC. TGP WAS ASSIGNED A NEW NRC NUMBER OF 978958. THE LEAK WAS REPAIRED BY DRILLING OUT THE DAMAGED NIPPLE AND REPLACING WITH A 1-1/4"" NIPPLED AND VALVE. THE REPAIRED FACILITY WAS PLACED BACK INTO SERVICE.
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.