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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
1,422 1,613 1,554 1,536 1,338 1,498 2009-2021
Adjustments
148 41 54 7 24 41 2009-2021
Revision Increases
264 104 70 67 115 225 2009-2021
Revision Decreases
713 97 273 143 270 158 2009-2021
Divestitures
129 9 61 94 0 32 2009-2021
Acquisitions
103 85 88 69 0 137 2009-2021
Extensions and Discoveries
283 262 277 293 120 128 2016-2021
Extensions
-- -- -- -- -- -- 2009-2021
New Field Discoveries
-- -- -- -- -- -- 2009-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 2009-2021
Estimated Production
202 195 214 217 187 181 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