TC OIL PIPELINE OPERATIONS INC
hazardous_liquid Incident — — August 23, 2020
Incident Information
| Incident Date | August 23, 2020 |
| Operator | TC OIL PIPELINE OPERATIONS INC |
| Commodity | CRUDE OIL |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 35.29164, -96.44887 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | PUMP OR PUMP-RELATED EQUIPMENT |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $163,436 |
| Emergency Response | $2,106 |
| Other Costs | $0 |
Location Map
Incident Narrative
15 GALLONS OF PRODUCT WAS RELEASED ONTO THE PUMP SKID AND GRAVEL PAD AT THE CROMWELL PUMP STATION THROUGH FAILED PUMP MECHANICAL SEALS ON A PUMP UNIT. THERE WAS NO IMPACT TO WATER, THE COMMODITY WAS COMPLETELY CONTAINED WITHIN THE PUMP STATION FACILITY AND CLEANUP COMPLETE THE FOLLOWING DAY. CAUSE OF SEAL FAILURE WAS EXCESSIVE AXIAL MOVEMENT FORCING THE LOCK WASHER TAB TO BREAK. THIS FURTHER INCREASED AXIAL MOVEMENT WHICH IMPALED THE SEAL FACES RESULTING IN THE CATASTROPHIC FAILURE. REPAIR CONSISTED OF CHANGING BOTH THE DRIVE END AND NON-DRIVE END MECHANICAL SEALS. 20210203 UPDATE: FINAL 7000-1 ACCIDENT REPORT UPLOADED TODAY.
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.