NUSTAR LOGISTICS, L.P.
hazardous_liquid Incident — — February 20, 2021
Incident Information
| Incident Date | February 20, 2021 |
| Operator | NUSTAR LOGISTICS, L.P. |
| Commodity | CRUDE OIL |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 34.20220, -97.34698 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | DEFECTIVE OR LOOSE TUBING OR FITTING |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $211 |
| Emergency Response | $387 |
| Other Costs | $1,000 |
Location Map
Incident Narrative
A NUSTAR OPERATOR CONDUCTING A WEEKEND AVO DISCOVERED A LEAK AT WASSON STATION. THE DISCHARGE TUBING OF THE CHEMICAL PUMP HAD DISCONNECTED RELEASING CRUDE OIL INTO THE CATCH PAN. THE CRUDE OIL WAS CLEAN FROM THE CATCH PAN AND REPAIRS HAVE BEEN MADE. UPDATE: THE TUBING DISENGAGED FROM THE FITTING IN SERVICE DUE TO IMPROPER INSTALLATION. TUBING WAS NOT INSERTED TO ADEQUATE DEPTH TO ENGAGE THE FITTING FERRULE COMPLETELY WHEN INSTALLED. THE MINIMAL ENGAGEMENT ACHIEVED WAS NOT ADEQUATE TO RETAIN THE TUBING IN SERVICE. MECHANICAL DAMAGE TO THE BALL SEATING SURFACE OF THE CHECK VALVE PREVENTED LEAK TIGHT SHUT-OFF IN SERVICE.
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.