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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
35,213 41,990 47,053 47,107 38,212 44,418 2009-2021
Adjustments
206 752 764 -630 1,244 -1,159 2009-2021
Revision Increases
5,651 5,991 4,691 3,955 3,021 6,604 2009-2021
Revision Decreases
6,119 3,279 4,278 6,334 12,647 4,289 2009-2021
Divestitures
1,254 1,350 1,364 2,022 2,161 1,233 2009-2021
Acquisitions
1,518 2,385 2,040 2,906 2,495 4,147 2009-2021
Extensions and Discoveries
3,204 5,679 7,194 6,669 3,242 6,265 2016-2021
Extensions
-- -- -- -- -- -- 2009-2021
New Field Discoveries
-- -- -- -- -- -- 2009-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 2009-2021
Estimated Production
3,223 3,401 3,984 4,490 4,154 4,129 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