The Laurel refinery is a small, high conversion refinery located in Laurel, Montana in the US.
The refinery is 100% owned and operated by the farmers' cooperative CHS.
Complexity: 10.4
Atmospheric distillation - 64 kbpd
Vacuum distillation - 32 kbpd
Coker - 16 kbpd
FCC - 17 kbpd
Reformer - 13 kbpd - Semiregen
Naphtha hydrotreater - 17 kbpd
Distillate hydrotreater - 25 kbpd
VGO hydrotreater - 20 kbpd
Alkylation - 4 kbpd - HF acid
C4 Isomerization - 1 kbpd
Hydrogen production - 70 MMscfd
Pet coke - 5 kbpd
Sulfur plant - 243 t/d
Asphalt plant - 20 kpd
1930 - Built by Laurel Oil and Refinery
1943 - Acquired by National Coop Refining
2007 - Coker added
2015 - CHS buys out minority shareholders to become sole owner
2018 - Project to modify crude unit (4 kbpd) and add hydrogen plant (37 MMscfd). $406MM project.