CALUMET MONTANA REFINING, LLC

hazardous_liquid Incident — — November 10, 2014

Incident Information

Incident DateNovember 10, 2014
OperatorCALUMET MONTANA REFINING, LLC
CommodityCRUDE OIL
Pipeline Typehazardous_liquid

Location

State
Coordinates47.52353, -111.29504

Cause

CauseEQUIPMENT FAILURE
SubcauseOTHER EQUIPMENT FAILURE

Casualties

Fatalities0
Injuries0

Costs

Property Damage$1,000
Emergency Response$100
Other Costs$0

Location Map

Incident Narrative

AN OPERATOR CONDUCTING HIS AFTERNOON ROUNDS FOUND CRUDE OIL LEAKING FROM THE MIXER ON TANK 125. THE MIXER WAS RUNNING WHEN THE OPERATOR FOUND IT AND HE IMMEDIATELY SHUT THE MIXER OFF AND NOTIFIED THE SHIFT SUPERVISOR. WHEN THE MIXER WAS SHUT OFF THE LEAK STOPPED. A CONTAINMENT DEVICE WAS PLACED BELOW THE MIXER AND THE MIXER HAS REMAINED OFF SINCE NOV 10 CMR PERSONAL DETERMINED THAT THE CAUSE OF LEAK ON THE MIXER WAS DUE TO A MECHANICAL SEAL FAILURE. THE TANK PRODUCT LEVEL, IN THE TANK, HAS BEEN IN THE PROCESS OF BEING LOWERED SO THE MECHANICAL SEAL ON THE MIXER CAN BE REPLACED. REPAIRS WILL BE COMPLETED BY THE END OF THE YEAR. A TOTAL OF LESS THAN TEN GALLONS OF CRUDE OIL LEAKED FROM THE MIXER. UPDATE: ON 12/22/2015 THE MECHANICAL SEAL WAS REPLACED. ON 12/30/2015 THE TANK WAS TAKEN OUT OF CRUDE SERVICE. AS WELL, PLEASE NOTE THAT CURRENT BREAKOUT TANKS HAVE MIXERS WITH COMPRESSION PACKING INSTEAD OF MECHANICAL SEALS WITH AN ISOLATION DEVICE ALLOWING FOR EASIER MAINTENANCE TO BE PERFORMED.

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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