MARATHON PIPE LINE LLC
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | MARATHON PIPE LINE LLC |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 40.67620, -81.34783 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | — |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | — |
| Lost Commodity | — |
| Public/Private Damage | — |
| Emergency Response | — |
| Environmental Remediation | — |
| Other Costs | — |
Location Map
Incident Narrative
OPERATOR PERSONNEL IDENTIFIED A CRACKED MULTI-PORT VALVE ASSOCIATED WITH A THERMAL RELIEF VALVE SPRAYING DIESEL FUEL. PIPELINE WAS SHUT DOWN, A NEW VALVE WAS INSTALLED, AND PIPELINE RESTARTED. IMPACTED GRAVEL AND SOIL WAS REMOVED FROM THE SITE. THE CAUSE OF THE FAILED MULTI-PORT VALVE IS PENDING ANALYTICAL RESULTS. FOLLOWING THE ACCIDENT, ADDITIONAL SUPPORT/BRACING WAS ADDED TO PREVENT REOCCURRENCE. ON JANUARY 17, 2022, MARATHON PIPE LINE RECEIVED THE EVALUATION REPORT FROM THE MANUFACTURER STATING THE FAILURE WAS CAUSED BY FATIGUE WHICH CAN BY CAUSED BY EXCESSIVE MOVEMENT OR VIBRATION FROM AN EXTERNAL SOURCE. PARTS A, B, C, D, E NEW QUESTIONS WERE ANSWERED. PART G WAS UPDATED.
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.