Crude oil is an unrefined petroleum product composed of hydrocarbon deposits and other organic materials. Heavy oil is a type of crude oil characterized by an asphaltic, dense, viscous nature, and its asphaltene content.
Crude oil is an unrefined petroleum product composed of hydrocarbon deposits and other organic materials. Heavy oil is a type of crude oil characterized by an asphaltic, dense, viscous nature, and its asphaltene content.