Whiting Petroleum Corporation is a company engaged in hydrocarbon exploration. It is organized in Delaware and headquartered in Denver, Colorado.
As of December 31, 2019, the company had 485.4 million barrels of oil equivalent (2.970×109 GJ) of estimated proved reserves, of which 55% was petroleum, 21% was natural gas liquids, and 24% was natural gas. Of these reserves, 91% was in the Bakken Formation and Three Forks Shale, 7% was in the Denver Basin, and 2% was in other locations.