NUSTAR LOGISTICS, L.P.

hazardous_liquid Incident — — December 11, 2017

Incident Information

Incident DateDecember 11, 2017
OperatorNUSTAR LOGISTICS, L.P.
CommodityCRUDE OIL
Pipeline Typehazardous_liquid

Location

State
Coordinates34.20208, -97.34760

Cause

CauseEQUIPMENT FAILURE
SubcausePUMP OR PUMP-RELATED EQUIPMENT

Casualties

Fatalities0
Injuries0

Costs

Property Damage$1,800
Emergency Response$1,440
Other Costs$0

Location Map

Incident Narrative

A CRUDE OIL LEAK OCCURRED AT THE INBOARD SEAL OF A 1500HP PUMP INSIDE NUSTAR'S WASSON PUMP STATION. THE PIPELINE SYSTEM WAS SHUT DOWN, AND THE INBOARD SEAL WAS REPLACED. DAMAGE WAS DISCOVERED ON BOTH THE SLEEVE AT THE DYNAMIC O-RING AND THE ROTATING FACE. THE DAMAGE WAS CAUSED BY DIRT AND PARAFFIN ACCUMULATION ON THE SEAL. A PLUGGED DRAIN HOLE IN THE SEAL GLAND ALLOWED THE CRUDE OIL TO ESCAPE THE STATION'S SUMP 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.

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