EXPLORER PIPELINE CO

hazardous_liquid Incident —

Incident Information

Report Date
OperatorEXPLORER PIPELINE CO
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates29.90643, -94.14981

Cause

CauseINCORRECT OPERATION
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

ON MAY 20, 2014 A RELEASE OF PETROLEUM PRODUCT WAS REPORTED TO EXPLORER PIPELINE FROM A REMOTE OPERATED BLOCK VALVE (ROBV) AT MILE POST 8.98 OUTSIDE OF PORT ARTHUR, TEXAS ON THE 28 INCH SYSTEM. THE SOURCE OF THE RELEASE WAS FROM A PRESSURE TRANSMITTER MOUNTED ON THE UPSTREAM SIDE OF THE ROBV. AN INVESTIGATION INTO THE TRANSMITTER IDENTIFIED THE SOURCE AS A TRANSMITTER ADAPTER O-RING THAT HAD PARTIALLY PROTRUDED THROUGH THE ADAPTER. A TRANSMITTER ADAPTER BOLT WAS FOUND TO HAVE BACKED OUT ENOUGH TO ALLOW THE O-RING TO PROTRUDE THROUGH THE ADAPTER RESULTING IN THE RELEASE. THE INVESTIGATION COULD NOT VERIFY THAT A TRANSMITTER ADAPTER BOLT WAS TORQUED TO THE REQUIRED TORQUE VALUE.

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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