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Supplemental Oil and Gas Information (Unaudited) (Capitalized Costs Relating to Oil and Gas Producing Activities) (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Natural Gas And Oil Producing Activities [Abstract]
Natural gas and oil properties: Leasehold interest	$ 716,500	$ 716,500
Natural gas and oil properties: Wells and related equipment	35,113,000	35,184,200
Accumulated depletion, accretion and impairment	(32,909,600)	(32,514,000)
Net capitalized costs	$ 2,919,900	$ 3,386,700

Capitalized costs incurred for support equipment and facilities used in oil and gas producing activities (such as seismic equipment, drilling equipment, construction and grading equipment, vehicles, repair shops, warehouses, supply points, camps, and division, district, or field offices).

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- Definition

Capitalized costs which include those incurred to (1) to drill and equip those exploratory wells and exploratory-type stratigraphic test wells that have found proved reserves and (2) obtain access to proved reserves and provide facilities for extracting, treating, gathering, storing the oil and gas, including the drilling and equipping of development wells and development-type stratigraphic wells and service wells.

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