Marathon Anacortes Refinery

The Marathon Anacortes Refinery, prior to October 2018 known as the Andeavor Anacortes Refinery[1] and prior to August 2017 known as the Tesoro Anacortes Refinery, is a petroleum refinery located about 70 miles north of Seattle on March Point (Puget Sound), just outside Anacortes, Washington. The refinery has operated in Anacortes since 1955, and has 425 full-time employees. It has a 120,000 barrels per day (bpd) capacity[2][3] and is operated by Marathon Petroleum.[4]

The Marathon Anacortes Refinery

Production

The refinery receives crude feedstock via the Trans Mountain pipeline from Canada, by rail from North Dakota and the central U.S., and by tanker from Alaska and foreign sources. Gasoline, jet and diesel fuel are the primary products, which are supplied to end users predominantly in Washington and Oregon. Other products include heavy fuel oils, liquefied petroleum gas, and asphalt.[4] Secondary processing facilities include a fluid catalytic cracker, an alkylation unit, hydrotreating units and a naphtha reformer. Given this configuration, the plant likely follows a 10-5-3-2 crack spread, meaning that for 10 barrels of crude feed stock the refinery produces 5 barrels of gasoline, 3 barrels of distillate, and 2 barrels of fuel oil. Finished products are shipped through a third-party pipeline system that serves western Washington and Oregon.[4]

Explosion
Main article: 2010 Tesoro Anacortes Refinery disaster

On April 2, 2010, an explosion at the Anacortes refinery killed seven workers when a heat exchanger failed during startup after a maintenance operation.[5][6]

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See also

References
  1. OGJ Editors (October 1, 2018). "Marathon completes Andeavor acquisition". www.ogj.com. Retrieved January 18, 2019.
  2. "EIA Table 3. Capacity of Operable Petroleum Refineries by State as of January 1, 2018" (PDF). EIA Refinery Capacity Report. January 1, 2018. Retrieved January 18, 2019.
  3. Brelsford, Robert (February 20, 2015). "Tesoro advances projects at Anacortes refinery". Oil & Gas Journal. Houston. Retrieved October 3, 2015.
  4. "Marathon Anacortes Refinery". Retrieved April 16, 2020.
  5. Broom, Jack; Green, Sara Jean. "Five dead in Anacortes refinery explosion and fire". The Seattle Times. April 2, 2010. Retrieved October 3, 2015.
  6. "Tesoro Refinery Fatal Explosion and Fire". U.S. Chemical Safety Board. May 1, 2014. Retrieved October 3, 2015.

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