Exploratory Well Costs

6 Months Ended

Jun. 30, 2013

Exploratory Well Costs [Abstract]

Exploratory Well Costs [Text Block]

7.Exploratory Well Costs

EOG's net changes in capitalized exploratory well costs for the six-month period ended June 30, 2013 are presented below (in thousands):

	Six Months Ended
	June 30, 2013
Balance at December 31, 2012	$	49,116
Additions Pending the Determination of Proved Reserves		69,244
Reclassifications to Proved Properties		(55,555	)
Costs Charged to Expense (1)		(29,807	)
Foreign Currency Translations		(619	)
Balance at June 30, 2013	$	32,379

(1) Includes capitalized exploratory well costs charged to dry hole costs.

At June 30, 2013, all capitalized exploratory well costs had been capitalized for a period of less than one year.