The physical and chemical differences between these crude types determine how easy they are to refine and their market value.

South American nation’s tar-like oil is what many Gulf coast facilities were built for but ramping up production to 3m barrels a day will be a long game ...

As defined by the U.S. Geological Survey (USGS), heavy oil is a type of crude oil characterized by an asphaltic, dense, viscous nature (similar to molasses), and its asphaltene (very large molecules ...

Oil consumption in China is nearly double that of its oil production per day—6.3 million versus 3.5 million barrels per day (b/d), respectively. How long can the country sustain this rate without ...