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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
34,396 38,549 40,513 35,833 30,091 39,488 1979-2021
Adjustments
586 2,175 3,454 292 3,703 1,648 1979-2021
Revision Increases
5,021 3,942 2,968 8,940 3,059 7,332 1979-2021
Revision Decreases
3,233 5,260 8,774 15,684 11,724 2,641 1979-2021
Divestitures
2,877 1,171 1,520 3,680 1,400 1,065 2000-2021
Acquisitions
2,143 1,862 354 4,413 2,228 1,838 2000-2021
Extensions and Discoveries
4,258 5,091 8,398 4,127 1,105 4,852 2016-2021
Extensions
-- -- -- -- -- -- 1979-2021
New Field Discoveries
-- -- -- -- -- -- 1979-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1979-2021
Estimated Production
2,235 2,486 2,916 3,088 2,703 2,567 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