VAALCO Energy, Inc. is an independent energy company. The Company is engaged in the acquisition, exploration, development and production of crude oil and natural gas. Its segments include Gabon, Angola, Equatorial Guinea, the United States, and Corporate and other, which includes corporate and operations support. It owns producing properties and conducts exploration activities as an operator in Gabon, West Africa; conducts exploration activities as an operator in Angola, West Africa, and participates in exploration and development activities as a non-operator in Equatorial Guinea, West Africa. In the United States, it operates unconventional resource properties in North Texas and hold undeveloped leasehold acreage in Montana. It also owns minor interests in conventional production activities as a non-operator in the United States. Its Etame Marin block is located offshore the Republic of Gabon. It owns over 640-acre lease in the Hefley field (Granite Wash formation) in North Texas.