2021

Balance at beginning of period

$

7,709

Additions to capitalized exploratory well costs pending the
determination of proved reserves

5,431

Reclassifications to wells, facilities and equipment based on
determination of proved reserves

(13,140

)

Capitalized exploratory well costs, charged to expense

—

Balance at end of period

$

—

Less exploratory well costs that have been capitalized for a period
of one year or less

$

—

Capitalized exploratory well costs that have been capitalized for a
period greater than one year

$

—