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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
2,447 2,741 2,554 2,297 1,950 2,093 1982-2021
Adjustments
12 -15 -8 29 -22 -4 1982-2021
Revision Increases
184 457 46 22 81 243 1982-2021
Revision Decreases
120 31 168 216 308 0 1982-2021
Divestitures
3 3 90 2 0 0 2000-2021
Acquisitions
0 0 87 1 2 0 2000-2021
Extensions and Discoveries
0 1 57 11 2 0 2016-2021
Extensions
-- -- -- -- -- -- 1982-2021
New Field Discoveries
-- -- -- -- -- -- 1982-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1982-2021
Estimated Production
122 115 111 102 102 96 1982-2021
- = 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