PROPERTIES AND EQUIPMENT

9 Months Ended

Sep. 30, 2011

PROPERTIES AND EQUIPMENT [Abstract]

Capitalized Costs Relating to Oil and Gas Producing Activities Disclosure [Text Block]

PROPERTIES AND EQUIPMENT

The following table presents the components of properties and equipment, net.

	September 30, 2011			December 31, 2010
	(in thousands)
Properties and equipment, net:
Natural gas and crude oil properties
Proved	$	1,674,983		$	1,429,667
Unproved	77,403			79,053
Total natural gas and crude oil properties	1,752,386			1,508,720
Pipelines and related facilities	33,861			34,262
Transportation and other equipment	31,790			32,410
Land, buildings and leasehold improvements	14,476			13,379
Construction in progress	74,875			42,128
	1,907,388			1,630,899
Accumulated DD&A	(603,613		)	(510,861		)
Properties and equipment, net	$	1,303,775		$	1,120,038