WEST TEXAS GULF PIPELINE CO

hazardous_liquid Incident —

Incident Information

Report Date
OperatorWEST TEXAS GULF PIPELINE CO
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates31.34765, -95.80976

Cause

CauseCORROSION FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

ON 2/27/22 AT 13:44 A LANDOWNER CALLED THE WEST TEXAS GULF PIPELINE EMERGENCY NUMBER TO NOTIFY THE COMPANY OF A SUSPECTED RELEASE OF CRUDE OIL IN THE CENTERVILLE, TX AREA. THE CONTROL CENTER RECEIVED THE CALL, BEGAN THE SHUTDOWN PROCESS OF THE PIPELINE AND NOTIFIED LOCAL OPERATIONS MANAGEMENT. OPERATIONS PERSONNEL WERE DISPATCHED TO THE LOCATION AND CONFIRMED THE RELEASE AT APPROXIMATELY 15:55. ON SITE PERSONNEL DISCOVERED THE CRUDE OIL HAD MIGRATED INTO PINE CREEK. BOOM WAS PLACED AT THE CROSSING OF HIGHWAY 7 AND PINE CREEK TO PREVENT FURTHER MIGRATION AND AN OSRO AND REPAIR CONTRACT CREWS WERE DISPATCHED TO THE SITE. PIPELINE CONTROL INITIALLY CLOSED THE REMOTELY CONTROLLED DOWNSTREAM VALVE AT TRINITY STATION BUT AFTER THE MANUAL VALVE UPSTREAM WAS CLOSED THE CONTROL CENTER OPENED THE VALVE AT TRINITY STATION TO PULL PRODUCT AWAY FROM THE AFFECTED SEGMENT. NRC WAS NOTIFIED AND A FOLLOW UP CALL TO PHMSA AID WAS ALSO MADE. ONCE RELEASE POINT WAS ACCESSED BY EQUIPMENT THE AREA WAS EXCAVATED. INITIAL VISUAL OBSERVATION OF THE FAILURE DETERMINED EXTERNAL CORROSION TO BE THE PRELIMINARY CAUSE. A PLIDCO MECHANICAL CLAMP WAS APPLIED TO THE FAILURE. CLEAN UP AND OTHER REMEDIAL MEASURES CONTINUED. THE PIPELINE WAS RESTARTED ON MARCH 2, 2022. THE COMPANY IS CURRENTLY PLANNING A NEAR TERM ILI ASSESSMENT OF THE WORTHAM TO TRINITY SEGMENT. THE FAILED SECTION WILL BE CUT OUT AND REPLACED DURING THE ILI ASSESSMENT RESPONSE AND SENT TO A 3RD PARTY LABORATORY FOR METALLURGICAL ANALYSIS TO CONFIRM CAUSE OF FAILURE. A SUPPLEMENTAL ACCIDENT REPORT WILL BE FILED. SUPPLEMENTAL - THE FAILED SECTION OF PIPE WAS CUT OUT AND REPLACED. THE FAILED SECTION WAS SENT TO A 3RD PARTY LABORATORY FOR METALLURGICAL ANALYSIS. THE ANALYSIS DETERMINED THAT THE FAILURE OCCURRED IN A REGION OF EXTERNAL CORROSION WITH THE LEAK PRESENT ALONG THE DEEPEST PORTION OF THE CORROSION AND MEASURING APPROXIMATELY 5.5 INCHES LONG. THE FAILURE WAS DUE TO DUCTILE OVERLOAD WITHIN THE REGION OF EXTERNAL CORROSION. SUBSEQUENT TO THE FAILURE AN MFL-C ILI WAS COMPLETED IN 2022.

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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