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Derivative Instruments (Tables)
 9 Months Ended
Sep. 30, 2013
Derivative Instruments [Abstract]  
Derivative Contracts
The following derivative contracts were in place at September 30, 2013:
 
 
 
Term
 
Monthly Volumes
 
Price/Bbl
 
Fair Value
 
Crude oil swap
 
10/13-12/15
 
1,711Bbls
 
$
76.74
 
 
(871,272)
 
Crude oil swap
 
10/13-12/15
 
2,589Bbls
 
 
83.70
 
 
(670,495)
 
Crude oil collar
 
10/13-12/13
 
1,587Bbls
 
 
90.00-94.50
 
 
(40,453)
 
Crude oil swap
 
1/14-12/14
 
1,369Bbls
 
 
90.25
 
 
(99,975)
 
Crude oil swap
 
10/13-12/13
 
1,300Bbls
 
 
97.10
 
 
(22,880)
 
Crude oil swap
 
1/14-12/14
 
1,900Bbls
 
 
96.00
 
 
(8,170)
 
Crude oil swap
 
1/15-12/15
 
5,800Bbls
 
 
88.55
 
 
(40,948)
 
Crude oil swap
 
10/13-12/14
 
3,000Bbls
 
 
95.15
 
 
(113,850)
 
 
 
 
 
 
 
 
 
 
$
(1,868,043)