Ultramar
1960 London registered Venezuelan oil producer. Controlled Golden Eagle Company of Canada which was going to build a small refinery[1]
1961 Plans to build a refinery in Panama[2]
1971 Their Californian refinery was leased to Carson Oil Co; the new refinery in Quebec was under construction[3]
Built up North Sea oil and gas production interests
1987 Sold its British petrol stations to Kuwait Petroleum[4]
1988 Acquire modern refinery in Los Angeles[5]
1991 Acquired by Lasmo which then put the US refining and marketing business for sale[6]