[Aslam1989]

Over $18 trillion in royalties for the government. Hard to estimate the real long term revenue from the Bakken fields.

Harold Hamm is the Oklahoma-based founder and CEO of Continental Resources (America’s 14th-largest oil company), and the original discoverer of the gigantic and prolific Bakken oil fields of Montana and North Dakota. He estimates "that the entire field, fully developed, in Bakken is 24 billion barrels" as opposed to government estimates at between four and five billion barrels. The US is a top world crude oil producer and can become "completely energy independent by the end of the decade."

Over the next five years "We expect our reserves and production to triple..." Ref: Inquire More About
What is Crude Oil and Oil Investment.