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Refining

MandanRefineryD261.jpg
Tesoro operates a diesel refinery in Mandan, N.D.

Several new refinery projects are being evaluated. They are diesel topping plants of 20,000 barrels per day near Trenton (Dakota Oil Processing) and Dickinson (MDU Resources Group, Inc. and Calumet Specialty Products, LLC) and one of 15,000 barrels per day near Makoti (Mandan, Hidatsa, and Arikara (MHA) Nation). North Dakota’s only operational facility, the Tesoro Mandan refinery, has increased its crude processing capabilities by approximately 20 percent (60,000 barrels per day to 70,000).


Refining in North Dakota

  • The additional processing capacity will result in approximately 4,000 barrels per day of additional diesel product volume.
  • The refinery currently has 254 full time employees and routinely has 50 to 60 contact employees working at the facility each day.
  • The refinery provides motor fuels product to North Dakota, Montana, South Dakota, Minnesota and Wisconsin.
  • The refinery currently processes 100 percent Williston Basin Crude and over 90 percent of the crude processed is from North Dakota wells.
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