In this Jan. 14, 2015, file photo, some of the 60 rigs that are drilling surrounding McKenzie County, 40 percent of the rigs statewide, work in western North Dakota. (AP Photo/Matthew Brown, File)
Featured Photo Galleries
In this Jan. 14, 2015, file photo, some of the 60 rigs that are drilling surrounding McKenzie County, 40 percent of the rigs statewide, work in western North Dakota. (AP Photo/Matthew Brown, File)
