TESORO HIGH PLAINS PIPELINE COMPANY LLC
hazardous_liquid Incident — — June 20, 2016
Incident Information
| Incident Date | June 20, 2016 |
| Operator | TESORO HIGH PLAINS PIPELINE COMPANY LLC |
| Commodity | CRUDE OIL |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 47.45932, -102.50441 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | PUMP OR PUMP-RELATED EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $0 |
| Emergency Response | $250 |
| Other Costs | $0 |
Location Map
Incident Narrative
ON JUNE 20TH, 2016 A CRUDE OIL SPILL WAS DISCOVERED ON THE GROUND AT DUNN CENTER STATION. THE MECHANICAL SEAL ON BOOSTER PUMP #2 LEAKED TO GROUND. THERE WERE NO IMPACTS TO SURFACE OR GROUND WATER. IT WAS FULLY CONTAINED ON TESORO PROPERTY. IT WAS CLEANED UP IMMEDIATELY UPON DISCOVERY. UPDATE: ON FRIDAY, JUNE 17TH THE PUMP WAS TAKEN OUT OF SERVICE FOR MAINTENANCE. AFTER APPROXIMATELY 3 HOURS, IT WAS DETERMINED THAT THE WORK WOULD RESUME ON MONDAY. AT THAT TIME NO LEAKING FROM THE SEAL HAD OCCURRED. THE PUMP WAS LEFT LOCKED OUT AND TAGGED OUT(LOTO) FROM THE MOTOR OVER THE WEEKEND. THE EXTENDED LOTO ALLOWED THE MECHANICAL SEAL, WHICH REQUIRES TENSION TO FUNCTION PROPERLY, TO LEAK.
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.