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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
2014 2015 2016 2017 2018 2019 View
History
Proved Reserves as of Dec. 31
39,933 35,230 35,213 41,990 47,053 47,107 2009-2019
Adjustments
440 1,115 206 752 764 -630 2009-2019
Revision Increases
6,028 4,737 5,651 5,991 4,691 3,955 2009-2019
Revision Decreases
5,612 10,345 6,119 3,279 4,278 6,334 2009-2019
Sales
2,475 1,019 1,254 1,350 1,364 2,022 2009-2019
Acquisitions
2,828 989 1,518 2,385 2,040 2,906 2009-2019
Extensions and Discoveries
    3,204 5,679 7,194 6,669 2016-2019
Extensions
5,021 3,186 -- -- -- -- 2009-2019
New Field Discoveries
164 20 -- -- -- -- 2009-2019
New Reservoir Discoveries in Old Fields
219 41 -- -- -- -- 2009-2019
Estimated Production
3,200 3,427 3,223 3,401 3,984 4,490 2009-2019
- = 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: 1/11/2021
Next Release Date: 12/20/2021