Also known as:
Anacortes is a medium sized, medium complexity refinery 70 miles north of Seattle on Puget sound in Anacortes, Washington in the US.
The refinery is 100% owned and operated by Marathon.
The refinery processes light sweet crude supplied by rail from the Midwest (Bakken) and pipeline (Transmountain) from Canada, as well as medium sour crude supplied by water from Alaska and imported from abroad.
Complexity: 11.2
Atmospheric distillation - 125 kbpd
Vacuum distillation - 48 kbpd
Solvent deasphalting - 24 kbpd - KBR ROSE technology. 2-stae unit. Uses C3/nC4 solvent.
FCC - 52 kbpd (3 kbpd recycle)
Reformer - 29 kbpd - Continuous
Naphtha hydrotreater - 46 kbpd
Distillate hydrotreater - 29 kbpd
VGO hydrotreater - 8 kbpd
FCC gasoline hydrotreater - 27 kbpd
Alkylation - 17 kbpd - Sulfuric acid
C4 Isomerization - 9 kbpd
Asphalt plant - 7 kbpd
Sulfur plant - 48 t/d
Unit train unloading facility
Land - 900 acres
Employees - 350
1955 - Built by Shell with 40 kbpd capacity
1998 - Acquired by Tesoro
2002 - ROSE unit added
2010 - Explosion causes refinery to close for most of the year
2011 - FCC gasoline hydrotreater added
2016 - Naphtha hydrotreater added
2017 - Name changed to Andeavor
2018 - Isomerization unit (6 kbpd) added and naphtha hydrotreater expanded (6 kbpd). $154MM project.
2018 - Andeavor merged into Marathon Petroleum