"NUSTAR LOGISTICS, L.P."

hazardous_liquid Incident — — June 10, 2011

Incident Information

Incident DateJune 10, 2011
Operator"NUSTAR LOGISTICS, L.P."
CommodityCRUDE OIL
Pipeline Typehazardous_liquid

Location

State
Coordinates34.16078, -97.53915

Cause

CauseCORROSION FAILURE
SubcauseINTERNAL CORROSION

Casualties

Fatalities0
Injuries0

Costs

Property Damage$9,070
Emergency Response$1,350
Other Costs$0

Location Map

Incident Narrative

"ON FRIDAY, JUNE 10, 2011, NUSTAR PERSONNEL RECEIVED NOTIFICATION OF A POSSIBLE PIPELINE LEAK BY AN ADJACENT PIPELINE OPERATOR (TEPPCO). SUBSEQUENT INVESTIGATION DISCOVERED A PIN-HOLE TYPE LEAK ON AN APPROXIMATELY 1,300-FOOT STEEL PIPELINE SEGMENT BETWEEN NUSTAR'S RINGLING STATION AND RINGLING JUNCTION IN CARTER COUNTY, OKLAHOMA. PRIOR TO THE LEAK, THE PIPELINE SEGMENT WAS ISOLATED FROM THE MAINLINE AND WAS NOT PRESSURIZED. THE LEAK OCCURRED AT THE APPROXIMATE FOUR-O'CLOCK POSITION ON THE PIPELINE AND WAS CAUSED BY INTERNAL CORROSION OF THE PIPE SURFACE. A CLAMP WAS INSTALLED, AND CRUDE OIL WAS EVACUATED FROM THE SEGMENT. PERMANENT REPAIRS HAVE BEEN SCHEDULED. UPDATE: ON WEDNESDAY, FEBRUARY 8, 2012, NUSTAR PERSONNEL COMPLETED PERMANENT REPAIRS ON THE PIPE SEGMENT BY WELDING CAPS ON THE PIPE ENDS. THE SEGMENT BETWEEN RINGLING STATION AND RINGLING JUNCTION IS IDLE. THE CAUSE OF THE LEAK WAS CORROSION ON THE INTERNAL SURFACE OF THE PIPE."

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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