Sweeny is a large, high conversion refinery located 65 miles southwest of Houston in Old Ocean, Texas in the US.
The refinery is 100% owned and operated by Phillips 66.
The refinery primarily processes imported heavy sour crude oil that it brings in through a deep water terminal in Freeport, Texas.
The refinery is integrated with the adjacent Old Ocean chemicals plant (CPChem).
Complexity: 13.6
Atmospheric distillation - 279 kbpd
Vacuum distillation - 132 kbpd
Coker - 79 kbpd - Conoco Bechtel technology. 4 drums.
RCC - 120 kbpd - Kellogg technology. Originally HOC unit. Revamp using Stone and Webster technology. Process hydrotreated residue.
Reformer - 42 kbpd - Continuous
Naphtha hydrotreater - 73 kbpd
Distillate hydrotreater - 136 kbpd
VGO hydrotreater - 110 kbpd
FCC gasoline hydrotreater - 69 kbpd
Alkylation - 22 kbpd - HF acid
C5/C6 Isomerization - 10 kbpd
Aromatics extraction - 21 kbpd
Pet coke - 23 kbpd
Sulfur plant - 915 t/d
NGL fractionation - 550 kbpd - 4 units
Land - 14,000 Acres
Employees - 1200 (including contractors)
1942 - Refinery commissioned
1947 - Acquired by Phillips
1981 - RCC added
1999 - RCC revamped
2000 - Added a coker to process Merey crude from Venezuela as part of JV with PDVSA (59 kbpd)\
2003 - FCC gasoline hydrotreater added
2006 - Distillate hydrotreater expanded
2008 - Hydrogen plant shut down