Stockholder's Equity (Tables)

12 Months Ended

Dec. 31, 2011

Notes To Financial Statements [Abstract]

Common stock activity

The following summarizes Common Stock activity for each of the years ended December 31, 2009, 2010 and 2011 (in thousands):

		Common Shares
		Issued	Treasury	Outstanding
Balance at December 31, 2008		249,759	(127)	249,632
	Common Stock Issued Under Equity Compensation Plans	1,347	-	1,347
	Treasury Stock Purchased (1)	-	(168)	(168)
	Common Stock Issued Under Employee Stock Purchase Plan	71	-	71
	Treasury Stock Issued Under Other Equity Compensation Plans	-	177	177
	Common Stock Issued for Property Acquisition	1,450	-	1,450
Balance at December 31, 2009		252,627	(118)	252,509
	Common Stock Issued Under Equity Compensation Plans	1,482	-	1,482
	Treasury Stock Purchased (1)	-	(115)	(115)
	Common Stock Issued Under Employee Stock Purchase Plan	114	-	114
	Treasury Stock Issued Under Other Equity Compensation Plans	-	87	87
Balance at December 31, 2010		254,223	(146)	254,077
	Common Stock Issued Under Equity Compensation Plans	1,395	-	1,395
	Treasury Stock Purchased (1)	-	(267)	(267)
	Common Stock Issued Under Employee Stock Purchase Plan	135	-	135
	Treasury Stock Issued Under Other Equity Compensation Plans	-	109	109
	Common Stock Sold	13,570	-	13,570
Balance at December 31, 2011		269,323	(304)	269,019

(1) Represents shares that were withheld by, or returned to, EOG in satisfaction of tax withholding obligations that arose upon the exercise of employee stock options or stock-settled stock appreciation rights, the vesting of restricted stock or restricted stock unit grants or in payment of the exercise price of employee stock options.