First, hydraulic fracturing gave the United States a boom in shale gas that lowered natural gas prices by 54 percent between 2008 and 2009. Now, shale oil discoveries are being made that can substantially increase onshore oil production. The Bakken oil field located in western North Dakota, northeast Montana, and Canada's Saskatchewan Province is pumping 225,000 barrels of oil a day today that started at just 3,000 barrels per day in 2005, with estimates of a million barrels of oil production per day by 2020.(i)
