The number of rigs actively exploring for or producing oil and gas in North Dakota hit a new low Monday at 80, state data show. The number of rigs in service in North Dakota, a state at the heart of the shale oil and gas boom, was down 62 percent from 2012 levels and 57 percent lower than this date in 2014. State data show oil production in March, the last full month for which data are available, was 1.19 million barrels per day, a 1 percent increase from the previous month, but 2.6 percent below the all-time high reached in December 2014. The state’s oil and gas division reported the number of wells in […]