North Dakota is one of the bright spots in domestic oil production, and continues to experience growth at a breakneck pace. According to the North Dakota Industrial Commission, output hit nearly 610,000 barrels per day in July, up close to 70% from just a year ago when production was 361,000 barrels per day.

Thanks to the massive increase in crude production from North Dakota, Bloomberg says "the U.S. met 83 percent of its energy demand from domestic sources in the first five months of this year, heading for the highest annual level since 1991, according to department figures compiled by Bloomberg."
Bloomberg's story goes on to say,
“It’s amazing how quickly production has grown, and it’s still in its early stages,” Christian O’Neill, a Bloomberg Industries senior analyst for oil and gas based in Skillman, New Jersey, said in a telephone interview. “Completion techniques are improving, and the time to drill wells is getting shorter and shorter. This is the beginning of an oil renaissance in North America.”
Increased production out of the Bakken, the Eagle Ford formation in southern Texas and the Permian Basin in western Texas helped U.S. oil output rise to the highest level in 13 years in July, weekly Energy Department data show.