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Crude Oil plus Lease Condensate
(Million Barrels)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2016 2017 2018 2019 2020 2021 View
History
Proved Reserves as of Dec. 31
5,773 8,082 10,472 11,154 9,974 10,829 2009-2021
Adjustments
190 -15 7 -143 518 -895 2009-2021
Revision Increases
1,083 1,367 900 1,124 575 918 2009-2021
Revision Decreases
904 677 664 2,287 2,856 2,022 2009-2021
Divestitures
256 347 422 419 236 566 2009-2021
Acquisitions
352 518 1,049 920 442 2,201 2009-2021
Extensions and Discoveries
884 1,991 2,315 2,494 1,415 2,260 2016-2021
Extensions
-- -- -- -- -- -- 2009-2021
New Field Discoveries
-- -- -- -- -- -- 2009-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 2009-2021
Estimated Production
399 528 795 1,007 1,039 1,041 2009-2021
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: W -- Individual state volumes are withheld to avoid disclosure of operator-level reserves data, due to statistical precision requirements, or due to other data quality reasons. The individual state volumes are included in the U.S. Total volume.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 12/30/2022
Next Release Date: 12/29/2023