NUSTAR LOGISTICS, L.P.

hazardous_liquid Incident —

Incident Information

Report Date
OperatorNUSTAR LOGISTICS, L.P.
Commodity—
Pipeline Typehazardous_liquid

Location

State
Coordinates33.91319, -98.43571

Cause

CauseCORROSION FAILURE
Subcause—

Casualties

Fatalities0
Injuries0

Costs

Property Damage
Lost Commodity
Public/Private Damage
Emergency Response
Environmental Remediation
Other Costs

Location Map

Incident Narrative

NUSTAR OPERATIONS PERSONNEL DISCOVERED A LEAK INSIDE NUSTAR'S WICHITA FALLS TERMINAL. THE PIPING CONTAINING THE LEAK WAS ISOLATED USING VALVES WITHIN THE TERMINAL FACILITY. APPROXIMATELY 40 BARRELS OF CRUDE OIL WAS RELEASED AND CONTAINED INSIDE THE FACILITY. APPROXIMATELY 0.1 BARRELS WAS DISCOVERED AT THE PERIMETER FENCE LINE AT A DRAINAGE CULVERT. THE LEAK ORIGINATED FROM BELOW-GRADE PIPING ASSOCIATED WITH THE MEASUREMENT PROVING LOOP. THE SEGMENT OF PIPE CONTAINING THE LEAK HAS BEEN REMOVED FOR METALLURGICAL ANALYSIS. UPDATE: THE PIPE SECTION FAILED DUE TO MICROBIOLOGICALLY INFLUENCED CORROSION (MIC). A CONTRIBUTING CAUSE OF THE FAILURE WAS INTERMITTENT FLOW THROUGH THE PIPING WITHIN THE TERMINAL FACILITY STATIONARY METER PROVING LOOP. THE BELOW-GRADE PIPING SEGMENT CONTAINING THE LEAK HAS BEEN REMOVED FROM 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.

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