NUSTAR PERMIAN TRANSPORTATION AND STORAGE, LLC
hazardous_liquid Incident — — August 23, 2017
Incident Information
| Incident Date | August 23, 2017 |
| Operator | NUSTAR PERMIAN TRANSPORTATION AND STORAGE, LLC |
| Commodity | CRUDE OIL |
| Pipeline Type | hazardous_liquid |
Location
| State | |
| Coordinates | 32.52911, -100.85469 |
Cause
| Cause | EQUIPMENT FAILURE |
| Subcause | OTHER EQUIPMENT FAILURE |
Casualties
| Fatalities | 0 |
| Injuries | 0 |
Costs
| Property Damage | $54 |
| Emergency Response | $10,833 |
| Other Costs | $0 |
Location Map
Incident Narrative
A MOTOR OPERATED VALVE WENT CLOSED (UN-COMMANDED) WHILE MAKING A DELIVERY TO A THIRD PARTY TERMINAL. THE SUBSEQUENT PRESSURE INCREASE CAUSED TWO O-RINGS TO FAIL ON STRAINER BASKETS INSIDE NUSTAR'S COLORADO CITY TERMINAL. THE FAILED O-RINGS WERE REPLACED. UPDATE - THE CAUSE OF THE ACCIDENT WAS THE OVER-PRESSURIZATION OF THE ANSI 150 COMPONENTS INSIDE NUSTAR'S COLORADO CITY TERMINAL DUE TO AN UN-COMMANDED VALVE CLOSURE FROM A DEFECTIVE FLOW SWITCH. A CONTRIBUTING CAUSE WAS THE FAILURE OF THE TERMINAL'S OVER-PRESSURE PROTECTION SYSTEM.
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.