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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
7,030 8,445 10,166 11,104 7,133 9,224 1977-2021
Adjustments
-261 -144 588 -160 -7 -427 1977-2021
Revision Increases
1,519 1,431 1,025 992 1,659 1,861 1977-2021
Revision Decreases
329 271 409 510 5,156 78 1977-2021
Divestitures
224 196 96 2 2 406 2000-2021
Acquisitions
136 2 75 262 0 456 2000-2021
Extensions and Discoveries
483 1,161 1,258 1,258 355 1,551 2016-2021
Extensions
-- -- -- -- -- -- 1977-2021
New Field Discoveries
-- -- -- -- -- -- 1977-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1977-2021
Estimated Production
497 568 720 902 820 866 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: NA