Northern Oil and Gas Inc an independent energy company engages in the acquisition exploration exploitation development and production of crude oil and natural gas properties in the United States The company primarily holds interests in the Williston Basin the Appalachian Basin and the Permian Basin in the United States As of December 31 2021 it owned working interests in 7436 gross producing wells and had proved reserves of 287682 million barrels of oil equivalent The company is based in Minnetonka Minnesota