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Exploratory Well Costs
9 Months Ended
Sep. 30, 2016
Capitalized Exploratory Well Costs [Abstract]  
Exploratory Well Costs [Text Block]
Exploratory Well Costs

EOG's net changes in capitalized exploratory well costs for the nine-month period ended September 30, 2016, are presented below (in thousands):
 
Nine Months Ended 
 September 30, 2016
Balance at January 1
$
8,955

Additions Pending the Determination of Proved Reserves
6,688

Reclassifications to Proved Properties
(5,274
)
Costs Charged to Expense
(10,369
)
Balance at September 30
$