ENTERPRISE PRODUCTS OPERATING LLC

hazardous_liquid Incident —

Incident Information

Report Date
OperatorENTERPRISE PRODUCTS OPERATING LLC
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates29.92956, -94.52898

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 FRIDAY JUNE 9, 2023 AT 12:00 CDST, DURING ROUTINE SITE VISIT AN ENTERPRISE TECHNICIAN FOUND A CARBON STEEL VALVE GREASE PORT FITTING LEAKING ON THE P87 ETHYLENE PIPELINE. A COURTESY CALL WAS MADE TO TRRC ON JUNE 15 AT 10:15 CDST TO INDICATE THAT THE LEAK WOULD NOT BE REPAIRED BEFORE EXCEEDING 5 GALLONS. ON JUNE 16 AT 18:00 CDST THE RELEASED VOLUME EXCEEDED 5 GALLONS AND ON JUNE 28 A CLAMP WAS INSTALLED TO STOP THE LEAK. ON JULY 5 IT WAS DETERMINED THAT THE CLAMP HAD NOT STOPPED THE LEAK AND NRC WAS CALLED AT 16:15 CDST IN ANTICIPATION OF FURTHER REPAIR COSTS EXCEEDING $50K. THE VALVE HAS SINCE BEEN REPLACED. THE LEAK ON THE GREASE PORT FITTING WAS CAUSED BY EXTERNAL CORROSION. TO PREVENT RECURRENCE, ENTERPRISE IS REPLACING CARBON STEEL PACKING INJECTION FITTINGS ON SIMILAR VALVES WITH STAINLESS STEEL INJECTION FITTINGS. TRRC#: 2868 ON 6/15/2023 AT 10:15 CDST NRC#:1372189 ON 7/5/2023 AT 16:15 CDST 48 HR NRC: 1372327 ON 7/6/2023 AT 19:51 CDST

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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