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|competition=June 2015
|competition=June 2015
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Fracking is an attempt to increase the productivity of the formation by injecting a fluid, combine of water, chemical and wedge fractures (proppant) into the wellbore. Fracking is used in formations with low permeability such as tight gas, shale gas, tight oil and gas [[coal]] seam.
Fracking is an attempt to increase the productivity of the formation by injecting a fluid, combine of water, chemical and wedge fractures (proppant) into the wellbore. Fracking is used in formations with low permeability such as tight gas, shale gas, tight oil and gas [[coal]] seam.