Exploratory Well Costs

6 Months Ended

Jun. 30, 2015

Capitalized 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, 2015, are presented below (in thousands):

	Six Months Ended   June 30, 2015
Balance at January 1	$	17,253
Additions Pending the Determination of Proved Reserves	10,671
Reclassifications to Proved Properties	(20,558		)
Balance at June 30	$	7,366

At June 30, 2015, all capitalized exploratory well costs had been capitalized for periods of less than one year.