Sino Oil and Gas Holdings Limited is an investment holding company. The Company and its subsidiaries are engaged in exploitation and sale of crude oil and natural gas, and exploration, development and production of coalbed methane. The Company operates in two segments: oil and gas exploitation, which includes exploitation and sale of crude oil and natural gas, and coalbed methane, which includes exploration, development and production of coalbed methane. The Company operates oil and gas fields in China and the United States. Its subsidiaries include Chuang Xin Management Services Limited, Elite Ascend Holdings Limited, Genesis Energy (Hong Kong) Limited, Glory Boom International Limited, Key Well Development Limited and Orion Energy International Inc. On November 15, 2010, the Company acquired Power Great Limited.