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Dry Natural Gas Proved Reserves
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2015 2016 2017 2018 2019 2020 View
History
Proved Reserves as of Dec. 31
303,164 318,918 431,939 466,010 456,108 409,123 1977-2020
Adjustments
9,769 5,548 17,362 7,352 -9,621 2,602 1977-2020
Revision Increases
36,841 52,668 65,893 36,776 48,553 32,269 1977-2020
Revision Decreases
111,962 51,847 29,624 64,926 82,067 90,474 1977-2020
Sales
14,016 18,237 23,718 23,817 17,198 14,517 2000-2020
Acquisitions
15,230 18,771 44,738 35,950 32,855 19,860 2000-2020
Extensions and Discoveries
  36,102 66,663 74,399 52,275 37,147 2016-2020
Extensions
31,206 -- -- -- -- -- 1977-2020
New Field Discoveries
29 -- -- -- -- -- 1977-2020
New Reservoir Discoveries in Old Fields
1,631 -- -- -- -- -- 1977-2020
Estimated Production
27,523 27,251 28,293 31,663 34,699 34,276 1977-2020
- = 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: 1/13/2022
Next Release Date: 12/30/2022