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Bakken ShaleThe Bakken Formation /ˈbɑːkən/ is a rock unit from the Late Devonian to Early Mississippian age occupying about 200,000 square miles (520,000 km2) of the subsurface of the Williston Basin, underlying [..]
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Bakken ShaleA formation of sedimentary rocks underneath the states of Montana and North Dakota ranging in depth from 4,500 to 7,500 ft.. Estimated to contain 4.3 billion barrels of crude oil (see Hydraulic Fractu [..]
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