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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
7,980 9,307 12,070 10,276 6,915 10,435 1979-2021
Adjustments
173 -65 562 -188 325 346 1979-2021
Revision Increases
1,464 576 727 397 405 3,494 1979-2021
Revision Decreases
4,589 564 1,466 2,392 3,530 737 1979-2021
Divestitures
91 1,041 531 71 56 51 2000-2021
Acquisitions
80 1,855 1,102 510 106 555 2000-2021
Extensions and Discoveries
781 1,269 3,110 727 117 608 2016-2021
Extensions
-- -- -- -- -- -- 1979-2021
New Field Discoveries
-- -- -- -- -- -- 1979-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1979-2021
Estimated Production
745 703 741 777 728 695 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