FRACKING IS SAFE! Hydraulic fracturing is a process used in most oil and gas wells in the U. Water, sand and small amounts of chemicals are pumped underground to break apart the rock and release trapped gas and oil.
A gallon barrel of crude oil yields about 45 gallons of petroleum products. Source: Energy Information Administration, â€œOil: Crude Oil and Petroleum Products Explainedâ€ and Annual Energy Outlook 2009 (Updated February