ENTERPRISE PRODUCTS OPERATING LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorENTERPRISE PRODUCTS OPERATING LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates30.11356, -92.25400

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

A LEAK ON ENTERPRISE PRODUCTS OPERATING LLC 10 INCH LOU-TEX PROPYLENE PIPELINE OCCURRED ON OCTOBER 15, 2010. ENTERPRISE WAS IN THE PROCESS OF RUNNING A GAUGING TOOL THROUGH A PORTION OF THE PIPELINE. WHILE RE-PRESSURING AN EQUALIZING PIPELINE SECTION A 10 INCH WKM PIGGING VALVE BECAME IN OPERABLE. WHILE TRYING TO EQUALIZE PRESSURE, A 1/2 INCH NEEDLE VALVE WAS OPENED ON THE BODY OF THE 10 INCH VALVE. THIS NEEDLE VALVE ICED OPEN AND WOULD NOT CLOSE RELEASING PRODUCT ONSITE. LOCAL FIRE WATER WAS USED TO DE-ICE THE NEEDLE VALVE TO ALLOW VALVE TO CLOSE. ISOLATION OF APPROXIMATELY 5 MILES OF PIPELINE WAS PERFORMED SO MAINTENANCE COULD BE COMPLETED ON THE 10 INCH WKM VALVE. REPAIRED AND RETURNED TO SERVICE. REVISED PART E: QUESTION NUMBER 6.D AND NUMBER 9.

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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