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unusual facts about Heavy crude oil


Fossil fuel

Heavy crude oil, which is much more viscous than conventional crude oil, and tar sands, where bitumen is found mixed with sand and clay, are becoming more important as sources of fossil fuel.


Tar

Tar sands deposits (sometimes called oil sands) contain various mixtures of sand (or rock) with bitumen or heavy crude oil and not tar (e.g., the Tar Tunnel in Shropshire).


see also

Light oil

Light crude oil, which is less viscous than intermediate and heavy crude oil.

Research Institute of Petroleum Industry

In 2002, it developed a revolutionary new technology that converts heavy crude oil into the more desirable, a new generation of GTL technology.