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Related Party Transactions
3 Months Ended
Mar. 31, 2012
Related Party Transactions [Abstract]  
Related Party Transactions
13. Related party transactions

TGGT and OPCO

TGGT provides us with gathering, treating and well connect services in the ordinary course of business. In addition, TGGT also purchases natural gas from us in certain areas. OPCO serves as the operator of our wells in the Appalachia JV. There are service agreements between us and TGGT and OPCO whereby we provide administrative and technical services for which we are reimbursed. For the three months ended March 31, 2012 and 2011, these transactions included the following: