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 ...

While the fossil fuels we use today were formed millions of years ago, their origins lie in microscopic lifeforms rather than prehistoric giants. Modern geology reveals that oil and natural gas ...

The Organisation of Petroleum Exporting Countries (Opec) was founded in Baghdad, Iraq, on September 14, 1960. Its founding member countries are ...