(Image source: cleanseas) Whiting Petroleum Corp(NYSE:WLL) will acquire oil and gas wells in NorthDakota and Montana for $240 billion. North Dakota and Montana are located inthe Bakken shale formation lands, which has a huge supply of oil reserves. It is estimated that the region holds about 17.1 million barrels of oil reserves. According to Oilvoice, “Net oil and gas production from the properties is estimated to average 2,420 barrels of oil equivalent (BOE) per day in August 2013.”