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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
61,841 89,589 103,460 105,917 96,463 105,564 1977-2021
Adjustments
-713 -682 3,820 127 -3,055 -454 1977-2021
Revision Increases
7,981 13,043 4,377 4,653 1,749 2,924 1977-2021
Revision Decreases
5,803 2,920 14,593 8,920 13,569 4,712 1977-2021
Divestitures
1,724 5,566 169 595 2,574 284 2000-2021
Acquisitions
762 7,973 4,609 425 2,806 3,491 2000-2021
Extensions and Discoveries
10,580 21,299 21,949 13,632 12,245 15,677 2016-2021
Extensions
-- -- -- -- -- -- 1977-2021
New Field Discoveries
-- -- -- -- -- -- 1977-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1977-2021
Estimated Production
5,136 5,399 6,122 6,865 7,056 7,541 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