EXXONMOBIL PIPELINE COMPANY LLC
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | EXXONMOBIL PIPELINE COMPANY LLC |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 30.25709, -91.25911 |
Cause
| Cause | OTHER ACCIDENT CAUSE |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Incident Narrative
ON OCTOBER 11, 2024 AT APPROXIMATELY 9:20 AM, AN ETHYLENE RELEASE TO ATMOSPHERE WAS DISCOVERED FROM LA-78. WORK HAD BEEN CONDUCTED TO REPLACE A BLOCK VALVE AND DURING RECOMMISSIONING OF THE PIPELINE THERE WAS A LEAK AT THE FLANGE CONNECTION. AT TIME OF RELEASE, THE SECTION OF PIPING WAS ALREADY ISOLATED, AND ETHYLENE WAS BEING FLARED AS A PART OF MAINTENANCE ACTIVITIES. AN ESTIMATED 13,300 LBS. OF ETHYLENE WAS RELEASED TO THE ATMOSPHERE. INVESTIGATION IS STILL ONGOING. PART E9B: ANSWERED ""NO"" TO THIS QUESTION BECAUSE MOTOR OPERATED VALVES WERE CLOSED AND POWERED OFF DUE TO THE MAINTENANCE ACTIVITIES AS DESCRIBED ABOVE.
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.