The Bakken and Three Forks Petroleum System in western North Dakota holds about 3,000 more square miles of economic drilling inventory than previously thought, according to a new analysis from the North Dakota Petroleum Authority (NDPA).

“Over the last two years, industry has used development strategies, perfected in the highest performing areas of the state, to rapidly upgrade outlying acreage positions that were once believed to be only marginally attractive for development,” said NDPA’s Director Justin Kringstad.

The NDPA announcement comes amid a slowdown in Bakken permitting activity tied to labor and supply chain challenges.

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Comparing...