Oil and Gas Properties

9 Months Ended

Sep. 30, 2011

Oil and Gas Properties [Abstract]

Oil and Gas Exploration and Production Industries Disclosures [Text Block]

2. OIL AND GAS PROPERTIES:
		September 30,		December 31,
		2011		2010
Developed Properties:
Acquisition, equipment, exploration, drilling and environmental costs	$	5,629,692	$	4,575,222
Less: Accumulated depletion, depreciation and amortization		(2,218,156)		(1,985,799)
		3,411,536		2,589,423
Unproven Properties:
Acquisition and exploration costs not being amortized(1)		526,579		486,247
Net capitalized costs - oil and gas properties	$	3,938,115	$	3,075,670

(1)For the nine months ended September 30, 2011 and 2010,total interest on outstanding debt was $69.0 million and $48.4 million, respectively, of which, $21.3 million and $13.1 million, respectively, was capitalized on the cost of unevaluated oil and natural gas properties and $1.6 million and $0.8 million, respectively, on work in process relating to gathering systems that are not currently in service.