TRANSCONTINENTAL GAS PIPE LINE COMPANY

gas_transmission Incident —

Incident Information

Report Date
OperatorTRANSCONTINENTAL GAS PIPE LINE COMPANY
Commodity—
Pipeline Typegas_transmission

Location

State
Coordinates28.43125, -91.08443

Cause

CauseCORROSION FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

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

Location Map

Incident Narrative

WILLIAMS OPERATIONS RECEIVED A CALL ABOUT A SHEEN AND BUBBLES ONE MILE FROM THE SHIP SHOAL 229 PLATFORM. BOTH WILLIAMS AND ANCHOR SHUT-IN PRODUCTION AT SHIP SHOAL 229 & 243. WILLIAMS OPERATIONS SUPERVISOR AND TECHNICIAN FLEW OFFSHORE AND PLOTTED THE COORDINATES OF THE SHEEN TO BE LESS THAN 100 FT FROM OUR LINE. O'BRIENS WAS NOTIFIED AND PRODUCERS WERE SHUT IN ON 3/24/3019. WILLIAMS CONTACTED CHET MORRISON DIVERS TO REQUEST THEIR SERVICE FOR THE LEAK INVESTIGATION AND PETROQUIP TO INQUIRE ABOUT A 20"" REPAIR CLAMP. DIVERS CONFIRMED THE LEAK ON 3/25/19 COMING FROM THE WILLIAMS 20"" PIPELINE SEGMENT #1636 AND WAS FOUND AT THE 4 O CLOCK POSITION. ADDITIONAL NOTIFICATIONS OF THE CONFIRMED LEAK WERE MADE BY WITT O' BRIEN'S. WORK BEGAN TO REMOVE CONCRETE AND CLEARING AREA FOR REPAIR WORK. ON 3/26/2019, DIVERS REPORTED ALL CONCRETE REMOVED AND COMPLETED THE REPAIR CLAMP INSTALLATION ON 3/27/2019. LINE PRESSURE WAS RETURNED ON 3/28/19 AND NO LEAKS WERE DISCOVERED.

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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