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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
1,309 1,593 1,711 1,557 1,169 1,488 2009-2021
Adjustments
11 161 30 -6 -29 -157 2009-2021
Revision Increases
211 118 250 148 240 458 2009-2021
Revision Decreases
430 139 225 290 619 357 2009-2021
Divestitures
68 20 44 220 216 18 2009-2021
Acquisitions
177 76 102 251 366 480 2009-2021
Extensions and Discoveries
110 217 176 155 41 66 2016-2021
Extensions
-- -- -- -- -- -- 2009-2021
New Field Discoveries
-- -- -- -- -- -- 2009-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 2009-2021
Estimated Production
115 129 171 192 171 153 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