"MAGELLAN PIPELINE COMPANY, LP"

hazardous_liquid Incident — — July 15, 2014

Incident Information

Incident DateJuly 15, 2014
Operator"MAGELLAN PIPELINE COMPANY, LP"
CommodityCRUDE OIL
Pipeline Typehazardous_liquid

Location

State
Coordinates32.53151, -100.85003

Cause

CauseINCORRECT OPERATION
SubcauseEQUIPMENT NOT INSTALLED PROPERLY

Casualties

Fatalities0
Injuries0

Costs

Property Damage$1,200
Emergency Response$400
Other Costs$900

Location Map

Incident Narrative

"THE BOOSTER PUMP UPSTREAM OF THE VALVE WAS STARTED, AND PRESSURE WAS RISING AT THE SUCTION OF MAINLINE UNIT ONE. THE SUCTION VALVE WAS OPENING CORRECTLY, AFTER THE SUCTION VALVE HAD REACHED 50% OPEN AND AN O-RING AND GASKET FAILED ON THE SUCTION VALVE. THUS RELEASING A SPRAY OF CRUDE OIL. INVESTIGATION FOUND INADEQUATE THERMAL RELIEF THAT LED TO THE VALVE FAILURE. A THERMAL RELIEF WAS PROVIDED BUT SET AT AN INCORRECT PRESSURE. IT WAS SET TO RELIEVE AT A PRESSURE HIGHER THAN THE ESTABLISHED MOP OF THE ADJACENT PIPING. THE VALVE WAS REMOVED, INSPECTED AND REBUILT AND HYDRO-TESTED. A THOROUGH REVIEW WAS CONDUCTED TO VERIFY ADEQUATE THERMAL RELIEF AND TO ENSURE ADEQUATE OVERPRESSURE PROTECTION FOR THE ENTIRE STATION."

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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