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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
15,620 33,805 32,251 34,863 35,958 38,599 1977-2021
Adjustments
926 7,353 -1,042 -2,160 692 -8,123 1977-2021
Revision Increases
3,465 7,297 3,608 9,730 6,409 3,049 1977-2021
Revision Decreases
5,602 2,796 6,952 10,250 8,004 4,258 1977-2021
Divestitures
489 366 2,248 1,570 1,007 1,862 2000-2021
Acquisitions
3,362 2,950 1,572 7,061 945 13,276 2000-2021
Extensions and Discoveries
1,820 5,697 6,060 2,793 5,105 3,857 2016-2021
Extensions
-- -- -- -- -- -- 1977-2021
New Field Discoveries
-- -- -- -- -- -- 1977-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1977-2021
Estimated Production
1,455 1,950 2,552 2,992 3,045 3,298 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: NA