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Deferred Revenue from Volumetric Production Payment
12 Months Ended
Dec. 31, 2012
Deferred Revenue Disclosure [Abstract]  
Deferred Revenue from Volumetric Production Payment
Deferred Revenue from Volumetric Production Payment
 
The net proceeds from the VPP discussed in Note 4 are recorded as a non-current liability in the consolidated balance sheets.  Deferred revenue from VPP will be amortized over the life of the VPP and will be recognized in oil and gas sales in the consolidated statements of operations and comprehensive income (loss).
 
Changes in deferred revenue from the VPP are as follows:
 
 
December 31, 2012
 
December 31,
2011
 
(In thousands)
Beginning of period
$

 
$

Deferred revenue from VPP
45,479

 

Amortization of deferred revenue from VPP
(8,295
)
 

End of period
$
37,184

 
$



Under the terms of the VPP, SWR conveyed to a third party a term overriding royalty interest covering approximately 725,000 BOE of estimated future oil and gas production. As of December 31, 2012, we have a remaining obligation to deliver approximately 607,000 BOE.