MARATHON PIPE LINE LLC
hazardous_liquid Incident —
Incident Information
| Report Date | — |
| Operator | MARATHON PIPE LINE LLC |
| Commodity | — |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 40.68929, -82.71759 |
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
A RELEASE WAS DISCOVERED WHEN FIELD PERSONNEL ARRIVED ON-SITE TO COMPLETE A FACILITY INSPECTION. THE PLUG IN THE BOTTOM OF THE UNIT 1 SUCTION VALVE WAS BLOWN OUT, WHICH ALLOWED THE VALVE TO LEAK. THE CRUDE HAD SPRAYED AN AREA APPROXIMATELY 30 FOOT X 30 FOOT, WITH A TOTAL ESTIMATED VOLUME OF 3 BARRELS. THE SYSTEM WAS IMMEDIATELY SHUT DOWN AND THE RELEASE STOPPED. THE VALVE WAS REPLACED AND THE LINE WAS RESTARTED. ON JANUARY 6, 2017 MPL COMPLETED ITS INVESTIGATION INTO THE RELEASE. AS A RESULT OF THE INVESTIGATION, MPL DISCOVERED THAT SIGNS OF CORROSION WERE PRESENT ON THE INTERNAL THREADS OF THE VALVE BODY, BUT ANALYSIS COULD NOT BE COMPLETED ON THE THREADED PLUG AS IT WAS NOT RECOVERED FOLLOWING THE ACCIDENT. CORROSION APPEARS TO HAVE PLAYED A ROLE IN THE DRAIN PLUG FAILURE.
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.