ESSO SINGAPORE PTE. LTD. let a $236 million contract to Foster Wheeler Eastern Pte. Ltd., Singapore, a unit of Foster Wheeler Italiana SpA, Milan, for a 15,000 b/d hydroprocessing unit at its 220,000 b/cd Pulau Ayer Chawan refinery in Singapore. The unit will upgrade high sulfur vacuum gas oil into low sulfur diesel fuel, naphtha, and vacuum gas oil. Work is to start early in 1994 with completion scheduled for late 1995.