Double-hulled tanker Double-hulled tanker A double-hulled tanker refers to an oil tanker which has a double hull. They reduce the likelihood of leaks occurring than in single-hulled tankers, and their ability to prevent or reduce oil spills led to double hulls being standardized for oil tankers and other types of ships including by the International Convention for the Prevention of Pollution from Ships or MARPOL Convention. After the Exxon Valdez oil spill disaster in Alaska in 1989, the US Government required all new oil tankers built for use between US ports to be equipped with a full double hull. A number of
Odyssey (tanker) Odyssey (tanker) Odyssey, which previously went by the name "Oriental Phoenix", was an oil tanker in operation from 1971 to November 10, 1988, when an explosion caused it to sink in the North Atlantic off the coast of Canada. The resulting spill remains one of the largest oil spills in world history. The tanker was off the coast of the Canadian province of Nova Scotia when it sank and released 132,157 tons (43 million gallons) of oil into the ocean. By way of comparison, 4.3 times as much oil was spilled by the "Odyssey" as from the much more famous