This is a technique used to make fractures in shale deposits normally deep underground, through the injection of liquids under high pressure. This releases oil or gas from the shale deposits. Fracking...

This is a technique used to make fractures in shale deposits normally deep underground, through the injection of liquids under high pressure. This releases oil or gas from the shale deposits. Fracking has transformed the oil and gas supply industry by allowing vast shale reserves to be tapped.