The state pumped 1.03 million barrels of oil per day (bpd) in June, down from 1.04 million bpd in May, according to the
North Dakota Department of Mineral Resources, which reports on a two-month lag.
Natural gas production dipped slightly to 1.85 million cubic feet per day.
The state's oil well count hit 13,915 during the month, an all-time high.
North Dakota's drilling rig count, a closely watched barometer of the state's oil industry's health, has been steadily rising. On Friday the count stood at 57, about 4 percent higher than in June.
(Reporting by Ernest Scheyder; editing by Diane Craft)