Devon Energy (NYSE: DVN) in its $5 billion acquisition of the Williston Basin business of Grayson Mill Energy.
SM Energy Company (NYSE: SM) in its $2.55 billion acquisition of Uinta Basin assets from XCL Resources, LLC, and Northern Oil and Gas, Inc. (NYSE: NOG) in its concurrent $510 million acquisition of an undivided 20% stake of the oil and gas assets of XCL Resources, LLC.