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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.
Industry: Energy
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Shale gas
Oil War of 2014
Energy; Shale gas
The Oil War of 2014 was a global competition for oil market share between traditional oil producing countries led by the OPEC and the surging US shale producers. Starting in June 2014, oil prices on ...
Mechanical integrity
Energy; Shale gas
An injection well has mechanical integrity if: (1) there is no significant leak in the casing, tubing, or packer (internal mechanical integrity) and (2) there is no significant fluid movement into an ...
Produced water
Energy; Shale gas
After the drilling and fracturing of the well are completed, water is produced along with the natural gas. Some of this water is returned fracturing fluid and some is natural formation water. These ...
Natural gas
Energy; Shale gas
A naturally occurring mixture of hydrocarbon and non-hydrocarbon gases in porous formations beneath the Earth's surface, often in association with petroleum. The principal constituent is methane.
Hydraulic fracturing water lifecycle
Energy; Shale gas
The lifecycle of water in the hydraulic fracturing process, encompassing the acquisition of water, chemical mixing of the fracturing fluid, injection of the fluid into the formation, the production ...
Naturally occurring radioactive materials
Energy; Shale gas
All radioactive elements found in the environment, including long-lived radioactive elements such as uranium, thorium, and potassium and any of their decay products, such as radium and radon.
Hydraulic fracturing
Energy; Shale gas
The process of using high pressure to pump sand-laden gelled fluid into subsurface rock formations in order to improve flow into a wellbore.
