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Crude Oil plus Lease Condensate Proved Reserves, Reserves Changes, and Production
(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
4,188 4,948 5,443 5,384 4,505 4,764 2009-2021
Adjustments
-22 190 56 23 -17 -20 2009-2021
Revision Increases
805 1,077 969 561 330 778 2009-2021
Revision Decreases
612 231 370 168 551 42 2009-2021
Divestitures
104 31 135 555 9 2 2009-2021
Acquisitions
75 150 220 437 8 9 2009-2021
Extensions and Discoveries
108 222 404 354 15 163 2016-2021
Extensions
-- -- -- -- -- -- 2009-2021
New Field Discoveries
-- -- -- -- -- -- 2009-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 2009-2021
Estimated Production
585 617 649 711 621 627 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