ENERGY TRANSFER COMPANY

hazardous_liquid Incident —

Incident Information

Report Date
OperatorENERGY TRANSFER COMPANY
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates32.21106, -101.93433

Cause

CauseEQUIPMENT FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

AT APPROXIMATELY 0618 HOURS ON TUESDAY, SEPT. 26TH, ENERGY TRANSFER(ETC) LIQUIDS CONTROL RECEIVED A CALL FROM A WEST TEXAS GAS (CUSTOMER) PLANT OPERATOR WHO NOTICED A RELIEF VALVE RELIEVING PRODUCT AT THE ETC METER STATION. LIQUIDS CONTROL THEN CONTACTED FIELD PERSONNEL TO INVESTIGATE. OPERATIONS ARRIVED AT THE SITE AT 0658 HOURS AND FOUND A 1/2"" THERMAL RELIEF VALVE ON THE METERING STATION VENTING. HE ISOLATED THE RELIEF VALVE AT 0700 HOURS. THE STATION AND PIPELINE WERE NOT TAKEN OUT OF SERVICE. FURTHER INVESTIGATION CONCLUDED THAT THE RELIEVE VALVE MALFUNCTIONED AND PREMATURELY RELEASED AT 1284 PSIG. WHEN THE STATION FLOW RATE INCREASED. THE RELIEF VALVE DID NOT RESEAT. LIQUIDS CONTROL CONFIRMED PRESSURE ON THE SYSTEM TO BE 1284 PSIG AT THE TIME OF THE RELEASE. A NEW RELIEF VALVE WAS TESTED AND INSTALLED THE SAME DAY. TO PREVENT SIMILAR REOCCURRENCES, LOCAL OPERATIONS TESTED OTHER THERMAL RELIEF VALVES IN IT'S AREA.

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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