Subsequent event

12 Months Ended

Dec. 31, 2011

Subsequent event [Abstract]

Subsequent event

Note 18.  Subsequent event

On March 12, 2012, we monetized our gas derivative contacts for $12.4 million.  Simultaneously, we entered into new oil commodity swaps on as summarized below.

The following table sets forth our oil derivative contract position related to the new swap agreements:

Contract Period	Daily Volume (Bbl)			Swap Price
2012		228	(1)	$	108.42
2013		289		$	105.61
2014		840	(2)	$	100.71

1.   For the months of July through December 2012.

2.   For the months of January through August 2014.