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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
322,234 438,460 474,821 465,405 445,299 589,236 1925-2021
Adjustments
5,652 17,680 7,438 -10,055 3,372 -8,699 1977-2021
Revision Increases
53,512 69,071 38,843 49,583 32,286 136,433 1977-2021
Revision Decreases
53,686 29,624 65,495 82,187 126,126 39,887 1977-2021
Divestitures
18,411 23,718 23,817 17,198 19,201 9,485 2000-2021
Acquisitions
18,797 44,738 36,719 32,894 86,434 38,610 2000-2021
Extensions and Discoveries
36,198 66,713 74,661 52,543 37,248 62,443 2016-2021
Extensions
-- -- -- -- -- -- 1977-2021
New Field Discoveries
-- -- -- -- -- -- 1977-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1977-2021
Estimated Production
27,558 28,634 31,988 34,996 34,523 35,478 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: 3/29/2024
Next Release Date: 12/31/2024