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 ...

Heavy Oil is an up and coming energy resource that is aggressively being sought out as the world's energy demand increases. As technology continues to improve, this once costly energy source is ...

“An old axiom in the lubricants business is to use the lightest viscosity oil that will adequately protect the equipment,” says Tony Negri, heavy duty product director at Phillips 66.

China's first oilfield from with reserves of super-heavy oil begins extracting reservoirs through thermal recovery. Luda 5-2 North Oilfield Phase II Development Project commenced production ...