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Dry Natural Gas Proved Reserves
(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
1,123 1,136 1,324 1,275 1,158 1,256 1977-2021
Adjustments
-20 14 28 -34 -48 55 1977-2021
Revision Increases
33 98 7 78 19 117 1977-2021
Revision Decreases
76 27 50 52 57 3 1977-2021
Divestitures
99 2 914 0 0 0 2000-2021
Acquisitions
0 0 1,215 19 26 0 2000-2021
Extensions and Discoveries
0 0 0 0 0 0 2016-2021
Extensions
-- -- -- -- -- -- 1977-2021
New Field Discoveries
-- -- -- -- -- -- 1977-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1977-2021
Estimated Production
77 70 98 60 57 71 1977-2021
- = 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