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DERIVATIVE FINANCIAL INSTRUMENTS (Details) (Commodity derivatives)
Jun. 30, 2012
mcfperday
Natural Gas Differentials | Swap | 01/01/12 - 12/31/12
 
Derivative financial instruments  
Volume 3,000
Price per Mcf or Bbl (0.51)
Oil | Brent Put | 04/01/12 - 12/31/12
 
Derivative financial instruments  
Volume 1,818
Price per Mcf or Bbl 90.00
Oil | NYMEX Put | 01/01/12 - 12/31/12
 
Derivative financial instruments  
Volume 1,000
Price per Mcf or Bbl 70.00