Callon Petroleum Company operates in the Crude petroleum and natural gas sector. Callon Petroleum Company (Callon) is engaged in the exploration, development, acquisition and production of oil and gas properties. In September 2009, the Company acquired a 70% working interest in a 577-acre unit in the heart of the Haynesville Shale play in Bossier Parish, Louisiana. On October 28, 2009, the Company completed the acquisition of proved oil and gas property interests in Wolfberry play located in Crockett, Ector, Midland and Upton Counties, Texas from Ambrose Energy I, Ltd., a subsidiary of ExL Petroleum, LP. As of December 31, 2009, the Company's estimated net proved reserves totaled 58 billion cubic feet of natural gas equivalent (Bcfe) and included 6.5 million barrels of oil (MMBbls) and 19.1 billion cubic feet (Bcf). In our complete report available for purchase the company is compared to: GeoResources, Inc., China North East Petroleum Holdings Limited and Postrock Energy Corporation.