Shale gas

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.

Industry: Energy

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Shale gas

Underground injection well

Energy; Shale gas

A steel- and concrete-encased shaft into which hazardous waste is deposited by force and under pressure.

Abandoned well

Energy; Shale gas

A well that is no longer in use, whether dry, inoperable, or no longer productive.

Residential well

Energy; Shale gas

A pumping well that serves one home or is maintained by a private owner.

Public water system

Energy; Shale gas

A system for providing the public with water for human consumption (through pipes or other constructed conveyances) that has at least 15 service connexions or regularly serves at least 25 ...

Proppant/propping agent

Energy; Shale gas

A granular substance (sand grains, aluminium pellets, or other material) that is carried in suspension by the fracturing fluid and that serves to keep the cracks open when fracturing fluid is ...

Shale gas

Energy; Shale gas

Natural gas produced from shale. Shale gas has become an increasingly important source of natural gas in the United States over the past decade, and interest has spread to potential gas shales in ...

Shale cuttings

Energy; Shale gas

Small pieces of rock that break away during the drilling process. Cuttings are screened out of the liquid mud by using shale shakers, or screens that allow the liquid to pass through but philtre out ...