ENTERPRISE PRODUCTS OPERATING LLC

hazardous_liquid Incident — — February 18, 2025

Incident Information

Incident DateFebruary 18, 2025
OperatorENTERPRISE PRODUCTS OPERATING LLC
CommodityHVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI
Pipeline Typehazardous_liquid

Location

State
Coordinates29.69416, -91.34395

Cause

CauseEQUIPMENT FAILURE
SubcauseNON-THREADED CONNECTION FAILURE

Casualties

Fatalities0
Injuries0

Costs

Property Damage$300,000
Emergency Response$0
Other Costs$0

Location Map

Incident Narrative

"ON 2/18/2025 AT 07:00 AM CST, A THIRD-PARTY EMPLOYEE NOTIFIED AN ENTERPRISE PIPELINE TECHNICIAN OF BUBBLES IN A PUDDLE OF WATER OVER THE PROMIX PIPELINE ROW IN PATTERSON LOUISIANA. ENTERPRISE PERSONNEL CONFIRMED BUBBLES ON THE ROW AND PROCEEDED TO LOWER THE PRESSURE AND ISOLATE THE SECTION OF PIPELINE. ENTERPRISE DETERMINED THE EVENT TO BE REPORTABLE AT 07:45 ON 2/18/2025 DUE TO THE ANTICIPATED REPAIR COST EXCEEDING $50K RESULTING IN IMMEDIATE NOTIFICATION TO NRC AT 07:58. THE LDENR WAS NOTIFIED ON 2/18/2025 AT 08:06. THE SECTION OF PIPELINE WAS DISPLACED WITH A PIG AND PURGED WITH NITROGEN. EXCAVATION TOOK PLACE TO DETERMINE THE CAUSE OF THE ACCIDENT AND APPROPRIATE METHOD OF REPAIR. AN EXISTING STOPPLE FLANGE FITTING WAS FOUND TO BE LEAKING IN THE GASKET SEALING AREA. THE SECTION OF MAIN LINE PIPELINE WAS CUT OUT AND REPLACED WITH NEW PIPE. INVESTIGATION OF THE RTJ RING FLANGE GASKET INDICATED THE SEALING SURFACE WAS NOT SEALING CORRECTLY."

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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