Sweeny refinery

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).

Refinery configuratoin

Complexity: 13.6

Major process units:

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)

Location

8189 Old FM 524 Rd, Old Ocean, TX 77463 USA

Sweeny refinery website

Refinery history

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