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Exploratory Well Costs (Tables)
9 Months Ended
Sep. 30, 2017
Capitalized Exploratory Well Costs [Abstract]  
Net Changes In Capitalized Exploratory Well Costs
EOG's net changes in capitalized exploratory well costs for the nine-month period ended September 30, 2017, are presented below (in thousands):
 
Nine Months Ended 
 September 30, 2017
Balance at January 1
$

Additions Pending the Determination of Proved Reserves
2,995

Reclassifications to Proved Properties
(2,995
)
Costs Charged to Expense

Balance at September 30
$