SEADRIFT PIPELINE CORP

gas_transmission Incident —

Incident Information

Report Date
OperatorSEADRIFT PIPELINE CORP
Commodity—
Pipeline Typegas_transmission

Location

State
Coordinates28.61365, -97.57813

Cause

CauseMATERIAL FAILURE OF PIPE OR WELD
Subcause—

Casualties

Fatalities0
Injuries0

Costs

Property Damage
Lost Commodity
Public/Private Damage
Emergency Response
Environmental Remediation
Other Costs

Location Map

Incident Narrative

ON JULY 5TH A RUPTURE OCCURRED ON AN 8 INCH FUEL GAS PIPELINE IN A REMOTE AREA OF SOUTH TEXAS RESULTING IN A RELEASE OF METHANE. A CHANGE IN PRESSURE ON THE PIPELINE WAS NOTICED AT THE CONTROL ROOM, AND TECHNICIANS WERE DISPATCHED TO DETERMINE IF A LEAK OCCURRED. EMERGENCY RESPONDERS WERE ALERTED AS A PRECAUTION. THE PIPELINE SECTION WAS ISOLATED. THE LEAK WAS SECURED. THERE WERE NO PUBLIC CALLS OR IMPACT. LOCATION WAS IN A RURAL AREA. THE INVESTIGATION INCLUDED A METALLURGICAL ANALYSIS CONDUCTED ON THE SECTION OF PIPE THAT RUPTURED. BASED ON THE RESULTS OF THAT ANALYSIS, IT WAS DETERMINED THAT THE CAUSE OF THE RUPTURE WAS DUE TO HYDROGEN-INDUCED CRACKING CAUSED BY THE INDUCTION BEND NOT BEING TEMPERED AFTER IT WAS QUENCHED DURING ORIGINAL MANUFACTURE. THE SECTION OF PIPE THAT CONTAINED THE RUPTURE HAS BEEN REPAIRED, BUT REMAINS OUT OF SERVICE. AN INSPECTION WILL BE COMPLETE PRIOR TO PUTTING THE LINE BACK IN 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.

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