GEOTHERMAL ENERGY could also be approaching its Mitchell second. George Mitchell, a scrappy impartial oilman, is named the daddy of fracking. Almost three many years in the past, he defied Large Oil and the standard knowledge of his business by making sensible the hitherto uneconomic strategy of pumping liquids and sands into the bottom to drive out gasoline and oil from shale rock and different tight geological formations. The big enhance in productiveness that resulted, referred to as the shale revolution, has remodeled the worldwide hydrocarbon enterprise.