ANR PIPELINE CO

gas_transmission Incident — — February 18, 2014

Incident Information

Incident DateFebruary 18, 2014
OperatorANR PIPELINE CO
CommodityNATURAL GAS
Pipeline Typegas_transmission

Location

State
Coordinates28.97833, -91.85583

Cause

CauseEQUIPMENT FAILURE
SubcauseTHREADED CONNECTION/COUPLING FAILURE

Casualties

Fatalities0
Injuries0

Costs

Property Damage$100,000
Emergency Response$20,000
Other Costs$0

Location Map

Incident Narrative

"A LEAK WAS DISCOVERED AT SOUTH MARSH ISLAND BLOCK 287 AS WORK WAS BEGINNING ON THE REPAIR OF A LEAK AT EUGENE ISLAND BLOCK 115. THE LEAK WAS APPARENTLY FOUND NEAR A SUB-SEA AUXILIARY VALVE ON ANR LINE 747. IT WAS TRACED BY A DIVING CREW TO A GREASE FITTING ON THE VALVE. FOLLOWING THE INVESTIGATION, THE REPAIR OF THE VALVE ASSEMBLY WAS PLANNED; THE DE-PRESSURIZATION OF THE PIPELINE WAS CONDUCTED BY VENTING THE GAS FROM THE SMI BLOCK 10 PLATFORM. THE VENTING BEGAN WITH 849 PSIG. ONCE THE PRESSURE ON THE LINE REACHED 23 PSIG., THE LEAKING FITTING ON THE VALVE WAS REPLACED. THE REPAIR WAS COMPLETED ON 2-22-14."

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.

Back to All Incidents More Incidents in