5 things you need to know about fracking
February 5, 2013
Fracking is short for "hydraulic fracturing," and the catch-all term used to describe the process of extracting oil and natural gas from shale rock formations deep underground. The process goes roughly like this: A company drills down more than a mile deep into the shale rock formations. Then comes what is known as "horizontal drilling" - effectively, the drilling turns 90 degrees, so that the well is exposed to more rock than it would be otherwise
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