Great Falls Refinery
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Summary Information

  • Ownership: Montana Refining
  • Website:
  • Location:Great Falls, Montana, USA
  • Capacity: 0.5 million tons/annum & 10,000 bbl/day
  • Nelson Complexity: 9.3
  • Refining Depth:

Brief Description

  • A very small but complex refinery, capable of processing the heaviest crude

Refining Units

  • Atmospheric Distillation
  • Vacuum Distillation Unit - 5,000
  • Fluidised Catalytic Cracking - 3,000
  • Catalytic Reforming - 1,000
  • Desulphurisation
    • Naphtha - 1,100
    • Kerosene - 1,000
    • Diesel - 2,000
    • Heavy Gas Oil - 3,000

Terminal Capacity

  • Crude Oil:
  • Refined Products:

Crude Supply

  • The refinery is able to process heavy crude oil that is received via pipeline and railcar
  • The refinery processes predominantly Canadian heavy crude oil

Products Produced

  • Multiple grades of gasoline (including ethanol blended gasoline) to ultra-low sulfur diesel, jet fuels, LPG’s and asphalt products

Ongoing Projects

  • -

Other Information

  • -


  • 2006 - Connacher Oil and Gas Limited of Canada purchases the assets of Montana Refining Company
  • 2012 - Calumet Specialty Products Partners announced that it had signed an agreement to acquire Montana Refining Company

Relevant Links

  1. Connacher Refining
  2. Connacher Oil And Gas Limited Signs Definitive Agreement To Acquire Montana Refining Assets
  3. Calumet Specialty Products Partners, L.P. Announces Agreement to Acquire Montana Refining Company, Inc. from Connacher Oil and G
  4. Calumet Specialty Products Partners, L.P. Completes Acquisition of Montana Refining Company, Inc.

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