ENTERPRISE CRUDE PIPELINE LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorENTERPRISE CRUDE PIPELINE LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates35.94075, -96.74893

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 7/13/2020 AT 10:15CT, AN ENTERPRISE PIPELINE TECHNICIAN IDENTIFIED AN OIL SHEEN AROUND MOV-A005, THE BYPASS VALVE FOR THE SEAWAY 1 SCRAPER TRAP. A HYDROEXCAVATION TRUCK WAS CALLED TO THE SITE TO EXPOSE THE UNDERGROUND VALVE. ONCE THE VALVE WAS EXPOSED, IT WAS DETERMINED THAT ITS BONNET WAS LEAKING. AN ESTIMATED 1 QUART OF OIL WAS RELEASED. THE VALVE WAS THEN ISOLATED AND ITS BONNET WRAPPED IN ABSORBENT PADS TO PREVENT ADDITIONAL CONTAMINATION. ON 7/15/2020 AT 08:30CT IT WAS DETERMINED THAT REPAIR AND CLEANUP COSTS FOR THE LEAK WOULD EXCEED $50K. UPON INVESTIGATION, IT WAS DETERMINED THAT FAILURE OF THE VALVE'S O-RING TO COMPLETELY SEAL CAUSED THE LEAK. FOR REPAIR, THE O-RING WAS REPLACED AND FLANGE FACES ON THE VALVE BODY AND BONNET WERE RESURFACED TO ENSURE A SEAL. CAUSE OF THE O-RING FAILURE IS UNDETERMINABLE. CLEANUP & REPAIRS ARE COMPLETE AND THE VALVE HAS BEEN PLACED BACK INTO SERVICE. NO OFFSITE IMPACTS. NRC: #1281937 AT 7/15/2020 08:45CT NRC 48 HOUR: #1282096 ON 7/16/2020 14:11CT

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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