Learn the essential differences between oil shale and shale oil, and discover which remains a profitable investment opportunity today.

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 ...

The current geochemical view is that hydrocarbons generated from organic matter disseminated in fine-grained sedimentary rocks and coals are controlled primarily by temperature and duration of heating ...

The Bakken shale formation under western North Dakota and eastern Montana is the "largest continuous oil accumulation" the U.S. Geological Survey has ever assessed, the federal agency said in a report ...

DICKINSON, N.D. - The North Dakota Department of Mineral Resources released details this week about an oil formation in southwest North Dakota believed to be similar to the Bakken, and leasing has ...