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Dry Natural Gas Proved Reserves
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2016 2017 2018 2019 2020 2021 View
History
Proved Reserves as of Dec. 31
17,816 36,119 34,127 36,497 37,397 39,859 1981-2021
Adjustments
1,081 7,535 -1,229 -2,209 1,030 -8,081 1981-2021
Revision Increases
3,828 7,711 3,741 9,878 6,482 3,295 1981-2021
Revision Decreases
6,272 3,205 7,175 10,507 8,629 4,637 1981-2021
Divestitures
596 414 2,279 1,604 1,058 1,862 2000-2021
Acquisitions
3,415 3,115 1,577 7,156 1,138 13,277 2000-2021
Extensions and Discoveries
2,003 5,778 6,165 2,847 5,160 3,901 2016-2021
Extensions
-- -- -- -- -- -- 1981-2021
New Field Discoveries
-- -- -- -- -- -- 1981-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1981-2021
Estimated Production
1,740 2,217 2,792 3,191 3,223 3,431 1981-2021
- = 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: 3/29/2024
Next Release Date: 12/31/2024