Venoco, Inc. is an independent energy company. The Company is primarily engaged in the acquisition, exploration, exploitation and development of oil and natural gas properties with a focus on properties offshore and onshore in California. The Company operates through one geographical segment: the United States. The United States segment of the Company is engaged in the exploration and production of crude oil, natural gas and natural gas liquids. The Company's principal producing properties are heavily oil-weighted and are located both onshore and offshore Southern California. Additionally, the Company holds a 22.45% reversionary interest in certain properties in the Hastings Complex near Houston, Texas. The Company's properties include South Ellwood Field, Santa Clara Federal Unit, Dos Cuadras Field and Beverly Hills West Field.