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Shale gas

Shale gas is natural gas produced from shale which has become an increasingly important source of energy due to recent development with drilling technology that makes the extraction of shale gas economically viable.

Contributors in Shale gas

Shale gas

Flowback water

Energy; Shale gas

After the hydraulic fracturing procedure is completed and pressure is released, the direction of fluid flow reverses, and water and excess proppant flow up through the wellbore to the surface. Both ...

Coalbed methane (CBM)

Energy; Shale gas

A form of natural gas extracted from coal beds. In recent decades it has become an important source of energy in United States, Canada, and other countries.

Ground water

Energy; Shale gas

The supply of fresh water found beneath the Earth's surface, usually in aquifers, which supply wells and springs. It provides a major source of drinking water.

Fluid leakoff

Energy; Shale gas

The process by which injected fracturing fluid migrates from the created fractures to other areas within the hydrocarbon-containing formation.

Formation

Energy; Shale gas

A geological formation is a body of earth material with distinctive and characteristic properties and a degree of homogeneity in its physical properties.

Casing

Energy; Shale gas

Pipe cemented in the well to seal off formation fluids and to keep the hole from caving in.

Coalbed

Energy; Shale gas

A geological layer or stratum of coal parallel to the rock stratification.

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