Evolution Petroleum Corporation is a petroleum company. The Company is engaged in the acquisition, exploitation and development of properties for the production of crude oil and natural gas, onshore in the United States. The Company focuses on applying artificial lift technology called GARP (Gas Assisted Rod Pump) for recovering incremental oil and gas from existing wells. The Company�s projects include Delhi Field, Giddings Field, Lopez Field and Mississippi Lime. The Company�s mineral interests in the Holt Bryant Unit in the Delhi Field located in Northeast Louisiana. The Company has development activity in the Lopez Field for developing material oil reserves. The Mississippian Lime targets a limestone (carbonate) formation that extends from central Oklahoma to the west and northwest up into the northwestern corner of Kansas.