TARGA DOWNSTREAM LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorTARGA DOWNSTREAM LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates31.59637, -96.10478

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

0300: EMPLOYEE CALLED TO SITE TO INVESTIGATE HIGH SEAL PRESSURE ALARM. 0345: EMPLOYEE ARRIVED ON SITE AND FOUND PRV ON PUMP DISCHARGE RELIEVING TO FLARE HEADER. PRV IMMEDIATELY BLOCKED IN. 0415: FLARE SUBSIDED, AND PRESSURE DROPPED. 0624: FLARE PRESSURE BEGAN TO RISE AGAIN DUE TO ANOTHER PRV LIFTING. PRV SHUT IN, SIMULTANEOUS TO FLARE KNOCK-OUT OVERFILLING, SPILLING AND IGNITING. 0630: PUMP STATION WAS SHUT DOWN (PRODUCT BYPASSED). ONCE PRODUCT WAS SHUT IN, FIRE SUBSIDED. NOTE: PRV'S ARE USED AS THERMAL RELIEF ONLY. CORRECTIVE ACTIONS INCLUDE INSTALLATION OF POPPET VALVES (INSTEAD OF PRV'S) THAT ALLOW A FLOW OF HIGHER PRESSURE TO A LOWER PRESSURE POINT WITHIN THE STATION. PRODUCT STAYS IN THE PIPE, REDUCING LIKELIHOOD OF RECURRENCE. POPPET VALVES WERE INSTALLED, TESTED AND OPERATIONAL WITHIN ONE WEEK OF ACCIDENT.

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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