MARATHON PIPE LINE LLC
hazardous_liquid Incident — — June 4, 2014
Incident Information
| Incident Date | June 4, 2014 |
| Operator | MARATHON PIPE LINE LLC |
| Commodity | CRUDE OIL |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 37.77662, -87.07366 |
Cause
| Cause | INCORRECT OPERATION |
| Subcause | OTHER INCORRECT OPERATION |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $0 |
| Emergency Response | $0 |
| Other Costs | $0 |
Location Map
Incident Narrative
"A FLASH FIRE OCCURRED WHILE WELDING IN A TEE. TWO POSSIBLE CAUSES WERE IDENTIFIED THROUGH INVESTIGATION, BUT NEITHER CAN BE RULED OUT. #1: POSSIBLE MUD PLUG FAILURE, PROVIDING A VAPOR FUSE, WITH POSSIBLE IGNITION FROM THE WELDING ARC. CONTINUOUS MONITORING WAS TAKING PLACE ADJACENT TO THE WELD ZONE. #2: POSSIBLE VAPOR LEAK FROM UPSTREAM VENT COULD HAVE BEEN PRESENT, PROVIDING A VAPOR FUSE, WITH POSSIBLE IGNITION FROM THE WELDING GROUND ARC."
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.