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Natural Gas Proved Reserves, Wet After Lease Separation
(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
15,945 27,021 24,398 34,748 28,100 32,247 1979-2021
Adjustments
97 180 1,015 -826 -2,973 198 1979-2021
Revision Increases
3,219 7,649 2,803 8,023 2,535 5,870 1979-2021
Revision Decreases
2,701 2,048 9,316 4,086 7,282 3,337 1979-2021
Divestitures
275 1,305 4,388 16 51 48 2000-2021
Acquisitions
0 2,918 7,218 8,183 2,598 349 2000-2021
Extensions and Discoveries
4,174 5,475 2,426 1,681 887 3,367 2016-2021
Extensions
-- -- -- -- -- -- 1979-2021
New Field Discoveries
-- -- -- -- -- -- 1979-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1979-2021
Estimated Production
1,435 1,793 2,381 2,609 2,362 2,252 1979-2021
- = 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