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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
11,154 12,988 10,878 8,831 7,062 7,863 1979-2021
Adjustments
888 -330 -163 -774 174 34 1979-2021
Revision Increases
735 654 119 83 177 1,549 1979-2021
Revision Decreases
1,843 868 1,542 1,018 1,328 132 1979-2021
Divestitures
2,638 348 1,522 291 359 420 2000-2021
Acquisitions
2,405 3,101 1,288 591 270 395 2000-2021
Extensions and Discoveries
58 575 613 166 15 21 2016-2021
Extensions
-- -- -- -- -- -- 1979-2021
New Field Discoveries
-- -- -- -- -- -- 1979-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1979-2021
Estimated Production
1,088 950 903 804 718 646 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