DCP MIDSTREAM

hazardous_liquid Incident —

Incident Information

Report Date
OperatorDCP MIDSTREAM
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates32.41268, -93.11701

Cause

CauseOTHER OUTSIDE FORCE DAMAGE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

HOUSTON CONTROL CENTER RECEIVED AN ALARM ON A UPS FAILURE AT MAINLINE BLOCK VALVE 455 AND NOTIFIED FIELD PERSONNEL AT 2:10PM. IN ROUTE TO THE BLOCK VALVE, THE OPERATOR PASSED BY THE MRD SAILES METER STATION AND NOTICED A FIRE COMING FROM TUBING. THE OPERATOR INITIATED THE STATION ESD AT 3:08PM. AFTER THE ESD WAS ACTUATED AND THE ISOLATION VALVE WAS CLOSED THE FIRE WAS EXTINGUISHED DUE TO PRODUCT NO LONGER FLOWING THROUGH THE STATION. AT APPROXIMATELY 3:30PM, THE METER STATION WAS DEEMED SAFE BY OPERATOR PERSONNEL AND INTERNAL AND EXTERNAL NOTIFICATIONS WERE MADE AT THIS TIME. THE ISOLATOR FITTING WAS REPLACED, AND THE LINE WAS BACK UP AND RUNNING AT 5:30PM. AFTER INVESTIGATION IT WAS DETERMINED THAT THE FAILURE WAS CREATED DUE TO A GROUND FAULT ON AN ADJACENT 3RD PARTY ELECTRICAL HIGH LINE. THE CROSS BRACING ON A NEARBY POLE COLLAPSED AND CREATED A GROUND FAULT/ARC FAULT, WHICH IN TURN CAUSED ELECTRICAL CURRENT TO BLEED TO THE PIPELINE. THE ELECTRICAL FAULT RESULTED IN TRIPPING THE BREAKER FOR THE UPS AT BLOCK VALVE 455 AND CAUSING THE TUBING FAILURE AT THE METER 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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