Evolution Petroleum Corporation, an energy company, engages in the development, production, ownership, and exploitation of onshore oil and gas properties in the United States. The company holds interests in a CO2 enhanced oil recovery project in Louisiana's Delhi field. Its Delhi Holt-Bryant Unit covers an area of 13,636 acres located in Northeast Louisiana. The company also holds interests in the Hamilton Dome field covering 5,908 acres located in Hot Springs County, Wyoming; Barnett Shale field covering an area of 123,777 acres located in North Texas; Williston Basin covering an area of 148,480 acres located in North Dakota; Jonah Field covering an area of 5,280 acres located in Sublette County, Wyoming; and small overriding royalty interests in four onshore central Texas wells. Evolution Petroleum Corporation was founded in 2003 and is based in Houston, Texas.