Occidental refinery Canvey Island operate, and that the 1973 URL refinery planning permission should be allowed to stand. However, by this time the oil crises of 1973 and 1980 had affected the viability of the refinery and URL undertook not further work on the site. Shell Haven refinery Coryton refinery Kent refinery Occidental refinery Canvey Island The Occidental oil refinery was on Canvey Island, Essex, England. Located in the Thames Estuary, it was a partly-built, non-operational, six million tonne/year oil refinery planned and constructed by Occidental Refineries Limited in 1970–5 and demolished in 1996–7. It was also known as the Occidental Thames refinery. In
Wouri estuary Wouri estuary The Wouri estuary, or Cameroon estuary is a large tidal estuary in Cameroon where several rivers come together, emptying into the Bight of Biafra. Douala, the largest city in Cameroon, is at the mouth of the Wouri River where it enters the estuary. The estuary contains extensive mangrove forests, which are being damaged by pollution and population pressures. The estuary lies to the east of Mount Cameroon and empties into the Bight of Biafra. It is fed by the Mungo, Wouri and Dibamba rivers. The estuary lies in the Douala Basin, a low-lying depression about on average about