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Dry Natural Gas Proved Reserves
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2014 2015 2016 2017 2018 2019 View
History
Proved Reserves as of Dec. 31
361,959 303,164 318,918 431,939 466,010 456,108 1977-2019
Adjustments
2,277 9,769 5,548 17,362 7,352 -9,621 1977-2019
Revision Increases
51,897 36,841 52,668 65,893 36,776 48,553 1977-2019
Revision Decreases
50,778 111,962 51,847 29,624 64,926 82,067 1977-2019
Sales
20,208 14,016 18,237 23,718 23,817 17,198 2000-2019
Acquisitions
26,482 15,230 18,771 44,738 35,950 32,855 2000-2019
Extensions and Discoveries
    36,102 66,663 74,399 52,275 2016-2019
Extensions
44,454 31,206 -- -- -- -- 1977-2019
New Field Discoveries
632 29 -- -- -- -- 1977-2019
New Reservoir Discoveries in Old Fields
2,562 1,631 -- -- -- -- 1977-2019
Estimated Production
26,307 27,523 27,251 28,293 31,663 34,699 1977-2019
- = 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: 1/11/2021
Next Release Date: 12/20/2021