Volumetric Production Payments (Tables)

6 Months Ended

Jun. 30, 2011

Volumetric Production Payments

Deferred Revenue Carrying Values

Deferred revenue at December 31, 2010	$	87,020
Less: 2011 amortization		(22,290	)
Deferred revenue at June 30, 2011	$	64,730

Revenue Recognition In Future Periods

Remaining 2011	$	22,659
2012	$	42,071