Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v2.4.0.6
Subsequent Events (Details)
1 Months Ended
Jun. 30, 2013
Dec. 31, 2012
Jul. 31, 2012
New Contract
Fixed Price Swap, Period of August 2012 through December 2012
Jul. 31, 2012
New Contract
Fixed Price Swap, Period January 2013 through December 2013
Subsequent Event [Line Items]        
Daily Volume (Bbls/day)     1,000 3,000
Weighted Average Price 113.20 109.73 99.98 100.04