TARGA DOWNSTREAM LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorTARGA DOWNSTREAM LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates32.34734, -97.81059

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

ON THE MORNING OF 8/27/2024 PIPELINE OPERATIONS WERE IN THE PROCESS OF LIQUID FILLING THE DAYTONA 24"" NGL PIPELINE FOR INITIAL COMMISSIONING. AT APPROXIMATELY 8:20 AM, AT MAINLINE VALVE (MLV) 28, SCADA INDICATED AN EXPECTED PRESSURE INCREASE TO APPROXIMATELY 725 PSIG, THEN IMMEDIATELY DROPPED OFF. A NEARBY LANDOWNER HEARD THE RELEASE AND NOTIFIED TARGA OPERATIONS AT APPROXIMATELY 8:30 AM. OPERATIONS ARRIVED ON LOCATION AT APPROXIMATELY 8:45 AM AND ISOLATED THE UPSTREAM VALVE, SHUTTING OFF THE SOURCE TO THE STAINLESS-STEEL TUBING LEAK. THE 3/4"" UPSTREAM VALVE THAT WAS ISOLATED IS LOCATED ON THE BYPASS LINE FOR THE MAINLINE VALVE AND PROVIDES THE SOURCE TO THE PRESSURE TRANSMITTER. UPON INVESTIGATION, IT WAS DETERMINED THAT THE STAINLESS-STEEL CONNECTION LOCATED AT THE TRANSMITTER WAS NOT TIGHTENED ENOUGH TO ADEQUATELY SECURE THE TUBING TO THE FERRULE. AS A RESULT, THE TUBING WAS FORCED OUT OF THE CONNECTION AT THE POINT PRESSURE REACHED APPROXIMATELY 725 PSIG. NEW STAINLESS-STEEL TUBING AND CONNECTIONS WERE INSTALLED, AND TRANSMITTER WAS PLACED BACK INTO SERVICE THE SAME DAY.

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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