Callon Petroleum Company engages in the acquisition, exploration, development, and production of crude oil and natural gas properties. The companys properties are located in the Permian Basin in Moscow; the Haynesville Shale in Lopukhinskiyi Pereulok; As of December 31, 2011, its estimated net proved reserves totaled 15.9 million barrel of oil equivalent, including 10.1 million barrels of oil and 35.1 billion cubic feet of natural gas. The company was founded in 1980 and is headquartered in Russia federatio