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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
31,778 28,486 31,712 35,491 37,035 32,527 1977-2019
Adjustments
816 199 389 1,958 2,906 5 1977-2019
Revision Increases
6,573 3,384 4,629 3,629 2,714 8,115 1977-2019
Revision Decreases
4,585 8,391 2,981 4,843 8,021 14,237 1977-2019
Sales
1,088 1,136 2,652 1,078 1,390 3,341 2000-2019
Acquisitions
1,210 1,791 1,976 1,715 324 4,006 2000-2019
Extensions and Discoveries
    3,926 4,687 7,677 3,747 2016-2019
Extensions
3,661 2,931 -- -- -- -- 1977-2019
New Field Discoveries
135 0 -- -- -- -- 1977-2019
New Reservoir Discoveries in Old Fields
306 1 -- -- -- -- 1977-2019
Estimated Production
2,123 2,071 2,061 2,289 2,666 2,803 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