Costs Incurred for Property Acquisition, Exploration and Development (Tables)

9 Months Ended

Sep. 30, 2014

Costs Incurred for Property Acquisition, Exploration and Development

	Nine Months Ended September 30, 2014		Year Ended December 31, 2013
	(in thousands)
Acquisitions ^(b)	$	409,331	$	¾
Acreage purchases		143,850		137,538
Development		775,570		938,668
Exploration:
Drilling		114,942		189,742
Expense		36,502		60,384
Stock-based compensation expense		3,408		4,025
Gas gathering facilities:
Development		12,986		47,086
Subtotal		1,496,589		1,377,443
Asset retirement obligations		7,815		76,373
Total costs incurred	$	1,504,404	$	1,453,816

^(a) Includes costs incurred whether capitalized or expensed.

^(b) See also Note 4 for additional information related to the Conger Exchange. Includes $134.8 million of gas gathering assets.

- Definition

Tabular disclosure of the aggregate of costs (whether the costs are capitalized or charged to expense at the time they are incurred ) incurred for the year in oil and gas property acquisition, exploration and development activities.

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