Exploratory Well Costs

3 Months Ended

Mar. 31, 2022

Capitalized Exploratory Well Costs [Abstract]

Exploratory Well Costs

Exploratory Well Costs

EOG's net changes in capitalized exploratory well costs for the three-month period ended March 31, 2022, are presented below (in millions):

	Three Months Ended March 31, 2022
Balance at January 1	$	7
Additions Pending the Determination of Proved Reserves	16
Reclassifications to Proved Properties	(12)
Costs Charged to Expense (1)	(1)
Balance at March 31	$	10

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

At March 31, 2022, all capitalized exploratory well costs had been capitalized for periods of less than one year.