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
Severn Estuary ongoing development pressure along the shoreline, marine aggregates extraction and new coastal defensive and realignment measures as well as proposed major infrastructure projects. An archaeological aerial survey report of the aerchaeology on the English side is available to view and download from the reference link. Severn Estuary The Severn Estuary () is the estuary of the River Severn, the longest river in Great Britain. It is the confluence of four major rivers, being the Severn, Wye, Usk and Avon, and other smaller rivers. Its high tidal range, approximately , means that it has been at the centre of discussions in