Hydraulic fracturing Wikipedia
Hydraulic fracturing (also called fracking, fracing, hydrofracking, fraccing, frac''ing, and hydrofracturing) is a well stimulation technique in which rock is fractured by a pressurized liquid. The process involves the highpressure injection of ''fracking fluid'' (primarily water, containing sand or other proppants suspended with the aid of thickening agents) into a wellbore to create cracks in ...