ENTERPRISE CRUDE PIPELINE LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorENTERPRISE CRUDE PIPELINE LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates29.34847, -94.93894

Cause

CauseCORROSION FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

Property Damage
Lost Commodity
Public/Private Damage
Emergency Response
Environmental Remediation
Other Costs

Location Map

Incident Narrative

ON 4/20/2021 AT 14:00 CST, AN ENTERPRISE PIPELINE OPERATOR AT TEXAS CITY CMS PUMP STATION DISCOVERED OIL COMING FROM BELOW GRADE. IN RESPONSE, OPERATOR CALLED HCC TO STOP THE MOVEMENT AND ISOLATE THE LINE. EXCAVATION CREW WAS THEN CALLED TO LOCATE THE LEAK. AT 11:49 CST ON 4/21/2021, NRC WAS CALLED DUE TO ANTICIPATION OF REPAIR AND CLEANUP COSTS EXCEEDING $50K. THIS LINE HAS BEEN REMOVED AND THE FORMER CONNECTIONS WERE CAPPED. THE PUMP STATION WAS RETURNED TO ITS PREVIOUS LEVEL OF SERVICE AT 14:15 CST ON 5/9/2021. UPON INVESTIGATION AND RETURN OF A METALLURGICAL ANALYSIS, IT WAS DETERMINED THAT THE LEAK RESULTED FROM INTERNAL CORROSION AT THE BOTTOM OF AN ELBOW, LIKELY DUE TO UNDERDEPOSIT CORROSION WITH MICROBIOLOGICAL INDUCED CORROSION (MIC) BEING A CONTRIBUTING FACTOR. TO REDUCE RECURRENCE, STATION FLUSH PROCEDURES WERE UPDATED TO INCLUDE ADDITIONAL LINES EXPERIENCING INTERMITTENT USAGE. NRC: #1303173 AT 11:49 CST ON 4/21/2021 48 HR NRC: #1303295 AT 19:28 CST ON 4/22/2021.

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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