MARATHON PIPE LINE LLC
hazardous_liquid Incident — — June 10, 2023
Incident Information
| Incident Date | June 10, 2023 |
| Operator | MARATHON PIPE LINE LLC |
| Commodity | CRUDE OIL |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 41.56502, -109.98023 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | DEFECTIVE OR LOOSE TUBING OR FITTING |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $60 |
| Emergency Response | $806 |
| Other Costs | $0 |
Location Map
Incident Narrative
"ON JUNE 12, 2023, AT APPROXIMATELY 0900 CENTRAL TIME, THE STATION OPERATOR WAS PERFORMING THE WEEKLY STATION CHECKS WHEN HE NOTICED CRUDE OIL ON THE PUMP SKID AND AROUND THE PUMP BASE. HE IMMEDIATELY CONTACTED SUPERVISION AND A STOP HELP START WAS INITIATED. UPON FURTHER INVESTIGATION IT WAS DISCOVERED THAT A SECTION OF STAINLESS-STEEL TUBING FOR THE BEARING COOLING SYSTEM HAD WORN A SMALL HOLE FROM THE INSIDE DUE TO SEVERE TURBULENCE IN THE FLOW THROUGH THE TUBE DUE TO A BALL VALVE THAT WAS NOT FULLY OPEN. THE SECTION OF TUBING WAS REPLACED IN ADDITION TO THE BALL VALVE. 08/22/2023 SUPPLEMENTAL FINAL MADE CHANGE FROM ""JETTING"" TO FLOW TURBULENCE AND ADDED THE PARTIALLY CLOSED BALL VALVE TO THE NARRATIVE AS A CAUSE OF THE TURBULENT FLOW."
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.