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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
31,712 35,491 37,035 32,527 27,227 35,531 1977-2021
Adjustments
389 1,958 2,906 5 3,246 1,334 1977-2021
Revision Increases
4,629 3,629 2,714 8,115 2,768 6,597 1977-2021
Revision Decreases
2,981 4,843 8,021 14,237 10,608 2,376 1977-2021
Divestitures
2,652 1,078 1,390 3,341 1,266 959 2000-2021
Acquisitions
1,976 1,715 324 4,006 2,016 1,653 2000-2021
Extensions and Discoveries
3,926 4,687 7,677 3,747 999 4,365 2016-2021
Extensions
-- -- -- -- -- -- 1977-2021
New Field Discoveries
-- -- -- -- -- -- 1977-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1977-2021
Estimated Production
2,061 2,289 2,666 2,803 2,446 2,310 1977-2021
- = 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