WILLIAMS ENERGY, LLC

gas_transmission Incident — — December 3, 2014

Incident Information

Incident DateDecember 3, 2014
OperatorWILLIAMS ENERGY, LLC
CommodityNATURAL GAS
Pipeline Typegas_transmission

Location

State
Coordinates28.36140, -90.19750

Cause

CauseOTHER OUTSIDE FORCE DAMAGE
SubcauseNEARBY INDUSTRIAL, MAN-MADE, OR OTHER FIRE/EXPLOSION AS PRIMARY CAUSE OF INCIDENT

Casualties

Fatalities0
Injuries0

Costs

Property Damage$2,733,406
Emergency Response$0
Other Costs$0

Location Map

Incident Narrative

A DIVE COMPANY WAS SETTING MATS TO COVER AND PROTECT A NEWLY INSTALLED VALVE ASSEMBLY ON THE DISCOVERY 18 INCH PIPELINE AT A DEPTH OF 230 FEET. AN UNEXPECTED CURRENT CAUSED THE MAT TO CATCH ON THE 2 INCH BY-PASS LINE WHICH DAMAGED THE PIPING AND CAUSED THE RELEASE. THE LINE WAS QUICKLY ISOLATED AND REPAIRED. THE DIVER WAS NOT INJURED AND THERE WAS NO OTHER DAMAGE AS A RESULT OF THIS INCIDENT. THERE WAS NO SHEEN REPORTED ON THE WATER. ADDITIONAL NRC NOTIFICATION WAS MADE BY WILLIAMS AT THE SAME TIME WITT O'BRIEN'S WAS MAKING NOTIFICATION. WILLIAMS NUMBER IS 1102550.

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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