ENTERPRISE PRODUCTS OPERATING LLC

gas_transmission Incident —

Incident Information

Report Date
OperatorENTERPRISE PRODUCTS OPERATING LLC
Commodity—
Pipeline Typegas_transmission

Location

State
Coordinates28.85953, -96.57705

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 MAY 12TH AT 0555, THE PIPELINE SUPERVISOR SENT OPERATIONS PERSONNEL TO INVESTIGATE A LEAK INDICATION. AT AROUND 0630, A POSSIBLE GAS LEAK WAS VISUALLY IDENTIFIED AND OPERATIONS PROCEEDED TO ISOLATE THE PIPELINE. BY 0707, THE DOWNSTREAM AND UPSTREAM MANUAL VALVES WERE CLOSED, ISOLATING THE PIPELINE. AT 0900, OPERATIONS WAS ABLE TO SAFELY APPROACH THE LEAK SITE AND DETERMINED THE LEAK SIZE AND ORIGIN. BASED ON THE SIZE OF THE LEAK, ENTERPRISE CALCULATED THAT THE RELEASE VOLUME EXCEEDED 3 MMSCF AND THE NRC WAS IMMEDIATELY NOTIFIED. ON MAY 13TH LINE 15 WAS EXCAVATED AND ENTERPRISE CONFIRMED THE RELEASE WAS DUE TO A FAILURE OF A 3RD PARTY CHECK VALVE CAP. THE CHECK VALVE WAS REMOVED AND THE CONNECTION WAS CAPPED.

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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