"EXXONMOBIL PRODUCTION COMPANY, A DIVISION OF EXXON MOBIL CORPORATION"

hazardous_liquid Incident — — April 24, 2025

Incident Information

Incident DateApril 24, 2025
Operator"EXXONMOBIL PRODUCTION COMPANY, A DIVISION OF EXXON MOBIL CORPORATION"
CommodityCO2 (CARBON DIOXIDE)
Pipeline Typehazardous_liquid

Location

State
Coordinates42.34472, -107.82917

Cause

CauseEQUIPMENT FAILURE
SubcauseMALFUNCTION OF CONTROL/RELIEF EQUIPMENT

Casualties

Fatalities0
Injuries0

Costs

Property Damage$3,000
Emergency Response$0
Other Costs$0

Location Map

Incident Narrative

"THE AMOUNT OF CARBON DIOXIDE RELEASED WAS DETERMINED TO BE APPROXIMATELY 4500 KILOGRAMS. THE PIPELINE WAS SHUT OFF AND REPAIRED, THE RELEASE WAS SECURED. AT APPROXIMATELY 1000 ON APRIL 24TH, 2025, A NEARBY OPERATOR FROM CONTANGO REPORTED TO THE EXXONMOBIL PIPELINE TEAM THAT CO2 WAS VENTING FORM THE EXXONMOBIL BAIROIL VENT STACK JUST OUTSIDE THE BAIROIL METERING STATION BUILDING. THE LOCAL PIPELINE TEAM WAS DEPLOYED TO INVESTIGATE THE UNINTENTIONAL CO2 VENTING. AN INITIAL REPORT WAS MADE TO THE NRC REPORTING THE RELEASE AT 1045 ON APRIL 24TH, 2025. THE EXXONMOBIL PIPELINE TEAM ARRIVED AT THE BAIROIL METERING STATION AND ISOLATED THE LEAKING PSV NO 3131, AT APPROXIMATELY 1320 ON APRIL 24TH, 2025. THE EXXONMOBIL CONTRACTOR PSV TEAM SPARTAN ARRIVED AND TESTED THE PSV, NO OBVIOUS FAILURES WERE IDENTIFIED SO THE PSV WAS PULLED, REBUILT, AND PUT BACK INTO SERVICE ON APRIL 24TH, 2025. THE CAUSE OF THE INCIDENT WAS DUE TO A PREMATURE PSV FAILURE. PSV ARE TESTED AND/OR REBUILT ON AN ANNUAL BASIS AS PART OF THE MAINTENANCE PROGRAM."

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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