OurChevron Phillips Chemical Company affiliate, along with Qatar Energy, announced final . investment decision on construction of a $6 billion integrated polymers complex in Singaporebecame the regional headquarters for Chevron’s Asia-Pacific Downstream operations in 2001. The refinery’s crude oil processing capacity continued to grow steadily. In 2004, Chevron’s interest in SRC increased to 50 percent. In 2018, SRC completed its new gasoline clean fuels facility and cogeneration plant. ChevronPhillips Chemical. 21441 Loop 419. Sweeny, Texas 77480. United States. +. The facilities in Sweeny, Texas, produce propylene, ethylene and polyethylene. The Clemens Terminal is a salt dome facility used for brine production and storage operations. RuS5.