ENTERPRISE PRODUCTS OPERATING LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorENTERPRISE PRODUCTS OPERATING LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates29.51410, -95.14360

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 6/9/2021 AT 07:45, AN ENTERPRISE TECHNICIAN IDENTIFIED BUBBLING ON THE SM102 BURIED VALVE SITE DURING MAINTENANCE ACTIVITIES. THE TECHNICIAN CONFIRMED LELS WERE PRESENT AND NOTIFIED HIS SUPERVISOR. AT 08:15, ENTERPRISE ESTIMATED THAT THE REPAIR COST WOULD EXCEED $50K AND THE NRC WAS NOTIFIED. THE PERSONNEL ON LOCATION STARTED TO CLEAR THE SITE TO PREPARE FOR EXCAVATION. ON 6/10/21, THE BURIED SM102 VALVE SITE WAS EXPOSED AND IT WAS IDENTIFIED THAT THE LEAK WAS ORIGINATING FROM THE FLANGED CONNECTIONS OF THE VALVE. THE PIPELINE WAS ALREADY SHUTDOWN AND ISOLATED DUE TO ONGOING MAINTENANCE REPAIR. DURING REMOVAL OF THE VALVE, IT WAS WITNESSED THAT THE BOLTS ON THE FLANGES WERE LOOSE AND NO DAMAGE WAS OBSERVED ON THE GASKETS. THE NEW VALVE WAS INSTALLED AND TORQUED PROPERLY. THE RRC WAS NOTIFIED ON 6/9/2021 AT 09:09, INCIDENT #2427 48-HOUR UPDATE TO NRC PERFORMED ON 6/10/2021 AT 16:48 - NRC#1307461

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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