Accounts Payable and Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2011

Trade Accounts Payable and Accrued Expenses

Accounts payable and accrued expenses consist of the following (in thousands):

	December 31,
	2011		2010
Accounts payable	$	313,901	$	241,092
Production payable		59,825		34,293
Accrued interest		53,388		47,453
Drilling advances		36,637		1,734
Payroll and benefits		26,402		29,187
Convertible perpetual preferred stock dividends		16,572		17,363
Conoco settlement agreement — current		—		5,000
Related party		59		800
Total accounts payable and accrued expenses	$	506,784	$	376,922