Age Refining San Antonio Refinery

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Summary Information

  • Ownership: Calumet Specialty Products Partners
  • Website:
  • Location: San Antonio, Texas
  • Capacity: 0.72 million tons/annum & 14,500 bbl/day
  • Nelson Complexity:

Refining Units

  • Crude Distillation - 13,500 bbl/day
  • Solvent Distillation Unit - 1,500 bbl/day

Terminal Capacity

  • The storage and distribution system of the refinery includes a tank farm of 162 tanks ranging in capacity from 40 to 10,000 barrels, two additive blend systems, a tank car loading facility and two transport loading systems.

Crude Supply

  • The unit was designed to process Sweet South Texas condensate or a blend of South Texas Condensate and South Texas Light Sweet crude with a gravity of 40 - 53 APT and sulfur of less than .05 % wt.
  • Crude is also supplied from the Eagle Ford Shale. NuStar plans to increase the crude supplied from this source.

Products Produced

  • Jet Fuel, Diesel, Fuel Oil & Solvents

Ongoing Projects

  • NuStar is upgrading safety at the refinery

Other Information

  • The company filed for bankruptcy in January 2010
  • May 2010 - A truck exploded at the refinery


  • In January of 1991 AGE Refining purchased the refinery from Howell Hydrocarbons.
  • 2011 - NuStar Energy Agrees to Purchase Assets of AGE Refining
  • 2012 - NuStar announced it was seeking a buyer for the refinery
  • 2012 - Calumet Specialty Products announces agreement to acquire the refinery
  • 2013 - Calumet announces agreement to

Relevant Links

  1. NPRA United States Refining and Storage Capacity Report
  2. AGE Refining expecting to emerge from Chapter 11 soon February 2010
  3. AGE Refining wins $84 million DoD contract
  4. Texas Refinery Explosion Hurts Worker
  5. NuStar Energy Agrees to Purchase Assets of AGE Refining
  6. NuStar to Significantly Expand Its Presence in Eagle Ford Shale
  7. Calumet Specialty Products Partners, L.P. Announces Agreement to Acquire San Antonio, Texas Refinery Assets from NuStar Energy
  8. Calumet Specialty Products Partners, L.P. Completes Acquisition of the San Antonio, Texas Refinery Assets from NuStar Energy, L.P. for Approximately $115 Million
  9. Calumet Specialty Products Partners, L.P. Expands Crude Oil Logistics Network

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