VAALCO Energy Inc is an independent energy company operating in the United States. It is principally engaged in the acquisition, exploration, development, and production of crude oil and natural gas. The company operates through three geographical segments namely Gabon, Equatorial Guinea and the United States. The Gabon segment includes Etame Field, Avouma/South Tchibala Field, Ebouri field, Southeast Etame, North and Tchibala field. The Equatorial Guinea segment include a working interest in an undeveloped portion of a block offshore Equatorial Guinea. The United States Segment owns leasehold interests in undeveloped acreage in Montana.