MARATHON PIPE LINE LLC
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | MARATHON PIPE LINE LLC |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 39.80007, -86.36329 |
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 | — |
Location Map
Incident Narrative
ON APRIL 16, 2024, MPL PERSONNEL WERE PERFORMING INVASIVE WORK ON THE PIPE, WHICH HAD BEEN PURGED WITH NITROGEN. IN PREPARATION FOR TORCH CUTTING AFTER ZERO LEL VERIFICATION, THE PIPE WAS STUCK WITH A YARD STICK TO CHECK FOR LIQUIDS, AND NONE WERE FOUND. AN ATMOSPHERIC MONITOR WAS ALSO PLACED INTO THE PIPE AND CONFIRMED ZERO LEL. DURING TORCH CUTTING OF THE PIPE, THE TORCH CAME INTO CONTACT WITH A SMALL AMOUNT OF DIESEL IN THE PIPELINE AT THE 6 O'CLOCK POSITION AND A FLAME IGNITED. THE FLAME WAS EXTINGUISHED WITH A FIRE EXTINGUISHER. A SUPPLEMENTAL REPORT WILL BE FILED UPON COMPLETION OF THE ACCIDENT INVESTIGATION. SUPPLEMENTAL UPDATE: THE ACCIDENT INVESTIGATION REVEALED A SMALL AMOUNT OF PRODUCT WAS LIKELY DAMMED BEHIND SOME SEDIMENT UPSTREAM OF THE CUTTING LOCATION. THE NITROGEN PURGING PROCESS AS WELL AS THE ENERGY ISOLATION PROCESS PROCEDURES WERE UPDATED TO INCLUDE VISUAL INSPECTION AND OR SWABBING OF THE PIPE IN THE PROXIMITY OF WHERE TORCH CUTTING WILL TAKE PLACE. MPL BELIEVES THESE STEPS WILL HELP MITIGATE THE RISK OF RE-OCCURRENCE.
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.