BISMARCK — A “significant” amount of undeveloped oil resources remain deep in the northwestern portion of North Dakota’s Bakken Petroleum System, state experts say. According to studies conducted by ...

DICKINSON, N.D. - The North Dakota Department of Mineral Resources released details this week about an oil formation in southwest North Dakota believed to be similar to the Bakken, and leasing has ...

'We have assessed there are significant undiscovered resources in the Haynesville Formation of the Gulf Coast', USGS Director Ned Mamula said. Image by golubovy via iStock In a statement sent to ...

WASHINGTON, April 30 (Reuters) - An oil-rich region of the north-central United States holds more than twice the recoverable crude supplies estimated just five years ago, according to a government ...