Oil shale is a form of sedimentary rock that contains kerogen, which is released as a petroleum-like liquid when the rock is heated. Tar sands are a combination of clay, sand, water and bitumen, which ...

Oil shale is an inorganic, nonporous sedimentary marlstone rock containing various amounts of solid organic material (known as kerogen) that yields hydrocarbons, along with non-hydrocarbons, and a ...

Oil shale is a form of sedimentary rock that contains kerogen, which is released as a petroleum-like liquid when the rock is heated. Tar sands are a combination of clay, sand, water and bitumen, which ...

Researchers from the Technical Faculties Campus of Tehran University, in collaboration with the Exploration Department of the ...

The U.S. Geological Survey has estimated that western Colorado's Piceance Basin holds more than 1.5 trillion barrels of oil ...

Shale oil is an unconventional oil produced from oil shale rock fragments by pyrolysis, hydrogenation, or thermal dissolution. These processes convert the organic matter within the rock (kerogen) into ...