EXXONMOBIL PIPELINE COMPANY LLC

hazardous_liquid Incident — — May 2, 2025

Incident Information

Incident DateMay 2, 2025
OperatorEXXONMOBIL PIPELINE COMPANY LLC
CommodityHVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBI
Pipeline Typehazardous_liquid

Location

State
Coordinates29.76459, -94.98177

Cause

CauseEQUIPMENT FAILURE
SubcauseMALFUNCTION OF CONTROL/RELIEF EQUIPMENT

Casualties

Fatalities0
Injuries0

Costs

Property Damage$58
Emergency Response$0
Other Costs$0

Location Map

Incident Narrative

"DURING TX-189 RECOMMISSIONING ACTIVITIES, A LEAK OF ISOBUTANE WAS DISCOVERED DUE TO A FAILED BLEEDER VALVE. THE EXXONMOBIL PIPELINE TEAM WAS ABLE TO SAFELY ISOLATE THIS LEAK WITHOUT INJURIES OR IMPACTS TO THE COMMUNITY. DURING THE EVENT, APPROXIMATELY 57.96 LBS. (0.3 BBL.) OF ISOBUTANE WERE RELEASED. TO PREVENT RECURRENCE, OPTIONS ARE BEING EVALUATED TO ENHANCE THE LEAK TESTING PROCESS TO ALLOW TEAMS TO PRESSURE UP NITROGEN TO OPERATING PRESSURE OF THE LINE."

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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