BISMARCK, N.D., May 31 (UPI) -- North Dakota saw the number of rigs actively exploring for or producing oil and gas increase by more than 10 percent from last week, state data show.
Data from the state government show 28 rigs in service early Tuesday, up 16 percent from last week. The increase follows a slow march toward $50 per barrel for West Texas Intermediate, the U.S. benchmark for the price of crude oil. WTI is up about 4 percent from last week.