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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
59,873 55,894 61,841 89,589 103,460 105,917 1977-2019
Adjustments
1,266 3,089 -713 -682 3,820 127 1977-2019
Revision Increases
8,633 10,899 7,981 13,043 4,377 4,653 1977-2019
Revision Decreases
7,453 23,233 5,803 2,920 14,593 8,920 1977-2019
Sales
504 318 1,724 5,566 169 595 2000-2019
Acquisitions
1,295 268 762 7,973 4,609 425 2000-2019
Extensions and Discoveries
    10,580 21,299 21,949 13,632 2016-2019
Extensions
11,146 10,055 -- -- -- -- 1977-2019
New Field Discoveries
7 0 -- -- -- -- 1977-2019
New Reservoir Discoveries in Old Fields
6 14 -- -- -- -- 1977-2019
Estimated Production
4,197 4,753 5,136 5,399 6,122 6,865 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