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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
3,341 6,574 8,885 9,380 36,529 99,801 1979-2021
Adjustments
102 320 86 -436 774 -110 1979-2021
Revision Increases
849 3,206 2,086 1,041 18 68,022 1979-2021
Revision Decreases
1,857 0 575 120 36,009 4,371 1979-2021
Divestitures
175 0 0 0 4,729 15 2000-2021
Acquisitions
26 0 777 39 67,242 0 2000-2021
Extensions and Discoveries
96 50 265 270 101 106 2016-2021
Extensions
-- -- -- -- -- -- 1979-2021
New Field Discoveries
-- -- -- -- -- -- 1979-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1979-2021
Estimated Production
309 343 328 299 248 360 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