of oil shale in Estonia, both of which are sedimentary rocks laid down during the Ordovician geologic period. Graptolitic argillite is the larger oil shale...

Only Estonia and China have well-established oil shale industries, and Brazil, Germany, and Russia utilize oil shale to some extent. Oil shale can be...

Shale oil extraction is an industrial process for unconventional oil production. This process converts kerogen in oil shale into shale oil by pyrolysis...

Shale oil is an unconventional oil produced from oil shale rock fragments by pyrolysis, hydrogenation, or thermal dissolution. These processes convert...

Oil shale reserves refers to oil shale resources that are economically recoverable under current economic conditions and technological abilities. Oil...

developed in Brazil, China, Estonia and to some extent in Germany and Russia. Several other countries are currently conducting research on their oil shale reserves...

Kukersite is a light-brown marine type oil shale of Ordovician age. It is found in the Baltic Oil Shale Basin in Estonia and North-West Russia. It is of the...

extraction and processing of oil shale. Surface mining of oil shale deposits causes the usual environmental impacts of open-pit mining. In addition, the combustion...

often referred to as shale gas, it differs from the natural gas produced from shale, which is also known as shale gas. Oil shale gas is produced by retorting...

Narva Oil Plant (Estonian: Narva Õlitehas) is a commercial scale shale oil retorting facility located in Auvere near Narva, Estonia. The plant produces...