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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
1,862 2,092 1,618 1,279 1,090 1,084 1977-2021
Adjustments
-24 212 -233 -187 197 -80 1977-2021
Revision Increases
344 400 105 60 51 181 1977-2021
Revision Decreases
638 360 220 173 503 47 1977-2021
Divestitures
106 44 31 34 45 0 2000-2021
Acquisitions
53 165 5 95 193 1 2000-2021
Extensions and Discoveries
183 81 105 54 55 44 2016-2021
Extensions
-- -- -- -- -- -- 1977-2021
New Field Discoveries
-- -- -- -- -- -- 1977-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1977-2021
Estimated Production
229 224 205 154 137 105 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