VAALCO Energy, Inc., an independent energy company, engages in the acquisition, exploration, development, and production of crude oil and natural gas. The company owns producing properties and conducts exploration activities as an operator of consortiums internationally in Gabon and Angola, as well as conducts exploration activities as a non-operator in the British North Sea and Equatorial Guinea, West Africa. It also acts as the operator of unconventional and conventional resource properties in the United States, located in Montana, South Dakota, and North Texas; and owns minor interests in conventional production activities as a non-operator. The company owns a 30.35% interest in the exploration acreage within the Etame Marin block; 28.1% interest in the development areas in and surrounding the Etame, Avouma, South Tchibala, and Ebouri fields; a 50% working interest in Mutamba Iroru block with an exploration area of approximately 270,000 acres located onshore near the coast in central Gabon; and a 40% working interest in Block 5 with approximately 1.4 million acres offshore, Angola. In addition, it owns a 31% working interest in Block P located offshore Equatorial Guinea; 640 and 480 acre leases in the Granite Wash formation in North Texas; a 70% working interest in approximately 5,200 acres in Sheridan County, Montana; a 65% working interest in approximately 22,000 gross acres in Roosevelt County, Montana; and a 100% working interest in approximately 10,000 acres in Harding County, South Dakota. VAALCO Energy, Inc. was founded in 1984 and is headquartered in Houston, Texas.