DCP MIDSTREAM

hazardous_liquid Incident —

Incident Information

Report Date
OperatorDCP MIDSTREAM
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates29.08966, -96.62664

Cause

CauseNATURAL FORCE DAMAGE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

AT APPROXIMATELY 2:15 AM, AT DCP MIDSTREAM WILBREEZE PUMP STATION LOCATED NEAR EDNA, TX, THE SHUTDOWN VALVE ESD120 INADVERTENTLY WENT CLOSED CAUSING A THERMAL RELIEF VALVE TO LIFT AND VENT APPROXIMATELY 34.6 BARRELS OF NGL TO ATMOSPHERE. THE OPERATOR AT THE HOUSTON CONTROL CENTER CALLED AN NGL TECHNICIAN AT APPROXIMATELY 2:30 AM TO INVESTIGATE. THE NGL TECHNICIAN ARRIVED AT THE SITE AT 3:20 AM AND BEGAN TO INVESTIGATE THE CLOSURE AND RETURNED THE VALVE TO THE OPEN POSITION. AT APPROXIMATELY 3:30 AM, THE TECHNICIAN SAW A FLAME ON TOP OF THE VENT STACK. IT IS PRESUMED THAT STATIC ELECTRICITY OR A LIGHTNING STRIKE FROM A STORM IN THE AREA IGNITED THE NGL VAPORS ON TOP OF THE VENT STACK. THE TECHNICIAN THEN NOTIFIED THE OPERATIONS SUPERVISOR AT APPROXIMATELY 4:01AM. THE INVESTIGATION DETERMINED THAT ESD120 INADVERTENTLY CLOSED DUE TO A TRANSIENT VOLTAGE SPIKE/DIP FROM THE BAD WEATHER.

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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