WEST TEXAS GULF PIPELINE CO

hazardous_liquid Incident — — June 1, 2015

Incident Information

Incident DateJune 1, 2015
OperatorWEST TEXAS GULF PIPELINE CO
CommodityCRUDE OIL
Pipeline Typehazardous_liquid

Location

State
Coordinates32.52944, -100.83055

Cause

CauseEQUIPMENT FAILURE
SubcauseMALFUNCTION OF CONTROL/RELIEF EQUIPMENT

Casualties

Fatalities0
Injuries0

Costs

Property Damage$2,000
Emergency Response$3,000
Other Costs$0

Location Map

Incident Narrative

DURING A ROUTINE SWITCH FROM TANK #15 TO TANK #18 AT COLORADO CITY, THE MOV ON TANK #18 FAILED DUE TO A STRIPPED VALVE STEM NUT. THEREFORE THE VALVE WAS SHOWING TO BE IN THE OPEN POSITION FOR SCADA YET WAS ACTUALLY CLOSED. THIS EVENT TRIGGERED THE MANIFOLD RELIEF SYSTEM AND OIL BACKED UP THE THERMAL RELIEF LINE INTO AN ATMOSPHERIC FUNNEL FOR THE RELIEF VALVE USED FOR SAMPLING AND ONTO THE CONCRETE CONTAINMENT. THE MOV WAS REPAIRED AND THE THERMAL RELIEF VALVE FUNNEL WAS REMOVED AND REPLACED WITH PIPING TO THE SUMP DRAIN LINE. THE SYSTEM WAS EVALUATED FOR ANY ADDITIONAL ATMOSPHERIC THERMAL RELIEF VALVES AND ALL VALVES WERE REPLACED WITH PIPING TO THE SUMP DRAIN LINE.

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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