ANR PIPELINE CO
gas_transmission Incident — — June 6, 2010
Incident Information
| Incident Date | June 6, 2010 |
| Operator | ANR PIPELINE CO |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 28.97300, -91.91160 |
Cause
| Cause | CORROSION FAILURE |
| Subcause | INTERNAL CORROSION |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $225,000 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
"A GAS BOIL WAS REPORTED AT SMI BLOCK 9, LOCATION AT 28 58.4 AND 91 54.7 BY CHEVRON. THE MMS SN IS 2308 AND IS A 12"" GAS LINE FROM SM 10, LOCATED ON A PLATFORM THAT BELONGS TO MARINER. THE SUSPECTED LEAK WAS REPORTED BY CHEVRON TO BE 3 MI SW OF SM 288. UPON FURTHER INVESTIGATION, THE LEAK WAS FOUND TO BE ON TRANSCANADA'S LINE NO. 747 IN SOUTH MARSH ISLAND BLOCK 9/287. STEPS WERE TAKEN TO ISOLATE AND DEPRESSURIZE THE PIPELINE, IN ORDER TO BEGIN AN INSPECTION OF THE DAMGE AND PLAN FOR REPAIRS. THE PIPELINE WAS REPAIRED, USING A BOLT-ON REPAIR CLAMP. THE REPAIRED SECTION WAS LEAK TESTED AND THE LINE WAS PLACED BACK INTO SERVICE ON AUGUST 1. 2010."
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.