ACADIAN GAS PIPELINE SYSTEM
gas_transmission Incident — — January 25, 2013
Incident Information
| Incident Date | January 25, 2013 |
| Operator | ACADIAN GAS PIPELINE SYSTEM |
| Commodity | NATURAL GAS |
| Pipeline Type | gas_transmission |
Location
| State | |
| Coordinates | 29.85193, -91.39750 |
Cause
| Cause | CORROSION FAILURE |
| Subcause | INTERNAL CORROSION |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $2,157,000 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
ACADIAN CHICO B PIPELINE LEAK; A FISHERMAN DISCOVERED BUBBLES COMING FROM A PIPELINE ROW IN SOUTH LOUISIANA WHICH ACADIAN SHARES WITH OTHER PIPELINE COMPANIES; THE FISHERMAN USED THE INFORMATION ON THE ROW PIPELINE MARKERS AND NOTIFIED ACADIAN PERSONNEL OF THE SUSPECTED LEAK. ACADIAN PERSONNEL WORKED WITH OTHER PIPELINE ROW PERSONNEL TO DETERMINE WHICH PIPELINE WAS THE SOURCE OF THE LEAK; IT WAS DETERMINED THAT ACADIAN WAS THE RESPONSIBLE PARTY FOR THE LEAKING NATURAL GAS. ACADIAN SHUT IN THE PIPELINE SEGMENT AND COMPRESSED OUT THE REMAINING NATURAL GAS. AFTER EXCAVATING SITE TO A DEPTH OF TWENTY FIVE FEET AND MAKING AREAS SAFE, AN EXISTING REPAIR CLAMP WAS DETERMIND TO BE LEAKING. REPAIR CLAMP WAS REMOVED AND DISGARDED. A NINE FEET WELD SLEEVE WAS WELDED OVER PINHOLE AREA, U-T WELDS, AND MAGNA FLUXED WELDS AFTER 12 HOURS TO INVESTIGATE ANY FOR ANY SIGNS OF UNDER BEAD CRACKING. THE 16.6 MILE SECTION OF PIPELINE WAS LEAK TESTED AND NO ISSUES WERE FOUND, PIPELINE WAS RETURNED TO 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.