ENTERPRISE PRODUCTS OPERATING LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorENTERPRISE PRODUCTS OPERATING LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates29.76709, -95.01199

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 11/06/2018 AT 18:40, BAYTOWN OPERATIONS PERSONNEL NOTICED A SMALL LEAK ON SM102 PIG TRAP CLOSURE MECHANISM INSIDE THE FACILITY. PIPELINE CONTROL WAS NOTIFIED AND CLOSED A VALVE TO ISOLATE THE PIG TRAP. AT 19:20, A PIPELINE TECHNICIAN DEPRESSURIZED THE PIG TRAP AND INSPECTED THE CLOSURE MECHANISM TO FIND THE O-RING HAD FAILED. VISUAL EXAMINATION OF THE O-RING INDICATES IT BROKE WHERE THE ENDS OF THE O-RING WAS FUSED. TO PREVENT RECURRENCE, A TD WILLIAMS O-RING WAS INSTALLED ON THE TD WILLIAMS CLOSURE ON 11/07/2018 ON 11/06/2018 AT 20:45, ENTERPRISE DETERMINED THE RELEASE WAS A REPORTABLE ACCIDENT BASED ON THE ESTIMATED VOLUME RELEASE EXCEEDING FIVE (5) GALLONS. THE TRRC WAS CALLED ON 11/06/2018 AT 21:10 HRS, INCIDENT #1876.

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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