Asset Retirement Obligations (Tables)
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12 Months Ended | ||||||||||||||||||||||||||||||||||||
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Dec. 31, 2011
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Asset Retirement Obligation Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||
Schedule of company's ARO obligations and related additions, reductions and accretion | The following table represents the balance of ARO obligations as of December 31, 2011, and 2010, along with the additions, reductions and accretion related to the Company's ARO obligations for the year ended December 31, 2011:
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