Exploratory Well Costs

6 Months Ended

Jun. 30, 2021

Capitalized Exploratory Well Costs [Abstract]

Exploratory Well Costs

Exploratory Well Costs

EOG's net changes in capitalized exploratory well costs for the six-month period ended June 30, 2021, are presented below (in millions):

	Six Months Ended June 30, 2021
Balance at January 1	$	29
Additions Pending the Determination of Proved Reserves	14
Reclassifications to Proved Properties	(3)
Costs Charged to Expense (1)	(12)
Balance at June 30	$	28

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

	Six Months Ended June 30, 2021
Capitalized exploratory well costs that have been capitalized for a period of one year or less	$	13
Capitalized exploratory well costs that have been capitalized for a period greater than one year (1)	15
Balance at June 30	$	28
Number of exploratory wells that have been capitalized for a period greater than one year	1

(1)Consists of costs related to a project in Trinidad at June 30, 2021.