v2.4.0.8
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.