Vicksburg Refinery
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Ergon Refineries

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Summary Information

  • Ownership: Ergon
  • Website:
  • Location: Vicksburg, Mississippi, USA
  • Capacity: 1.25 million tons/annum & 25,000 bbl/day
  • Nelson Complexity:
  • Refining Depth:

Brief Description

  • A small scale specialist naphthenic process oil producer

Refining Units

Terminal Capacity

  • Crude Oil:
  • Refined Products:

Crude Supply

  • ERI currently processes wax-free naphthenic heavy crude oils from various fields in the North Sea that contain high quantities of naphthenic acids and sulfur.
  • These crudes are especially corrosive, and there are a limited number of refineries capable of processing them without dilution with more expensive, less acidic crude.
  • Crude oil is shipped in 80,000-ton tankers to the Ergon-St. James, Inc., terminal located in Louisiana near St. James. The facility, located 162 miles upstream of the mouth of the Mississippi River, holds the crude in storage tanks before it is shipped up to Vicksburg in barges

Products Produced

  • Naphthenic process oils, Multiple grades of liquid asphalts

Ongoing Projects

  • An upgrade & Expansion is under way
  • The upgrades will include enhancements to the refinery’s crude distillation unit, modifications to its base oil hydrotreaters, and an expansion of its terminal tank farm to support new product offerings

Other Information

  • -


  • 1978 - Company formed and refinery project started
  • 1981 - Vacuum distillation column commissioned
  • 1988 - First Hydrotreater commissioned
  • 2003 - Ergon announced an increase in Naphthenic Base Oil capacity
  • 2003 - Ergon entered into an agreement with the EPA to reduce emissions
  • 2006 - Expansion project announced
  • 2012 - Upgrade project launched
  • 2014 - Expansion launched

Relevant Links

  1. Ergon Refining, Inc. announces increase in Naphthenic Base Oil capacity
  2. Ergon Refining, Inc. takes the lead for cleaner air
  3. Ergon Refining, Inc. announces increased production capacity
  4. Ergon Refining, Inc., Announces Expansion at its Vicksburg, MS Refinery
  5. Ergon to Expand Capabilities at its Mississippi-Based Specialty Oil Refinery

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