According To The Wikipedia, Hydraulic Fracturing In The United States Started In 1949. According To The Department Of Energy (doe), In 2013 A Minimum Of 2 Million Oil And Gas Wells In The United State

Hydrofracking means hydraulic fracturing, a technique in which large quantities of water, combined with smaller sized quantities of chemicals and sand, are pumped under high pressure into a drilled gas well. The purpose of hydraulic fracturing is to form tiny fractures in the rock by utilizing water to require the rock to open along

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