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Dry Natural Gas Proved Reserves
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2013 2014 2015 2016 2017 2018 View
History
Proved Reserves as of Dec. 31
26,873 31,778 28,486 31,712 35,491 37,035 1977-2018
Adjustments
-622 816 199 389 1,958 2,906 1977-2018
Revision Increases
4,118 6,573 3,384 4,629 3,629 2,714 1977-2018
Revision Decreases
5,031 4,585 8,391 2,981 4,843 8,021 1977-2018
Sales
733 1,088 1,136 2,652 1,078 1,390 2000-2018
Acquisitions
738 1,210 1,791 1,976 1,715 324 2000-2018
Extensions and Discoveries
      3,926 4,687 7,677 2016-2018
Extensions
3,300 3,661 2,931 -- -- -- 1977-2018
New Field Discoveries
2 135 0 -- -- -- 1977-2018
New Reservoir Discoveries in Old Fields
392 306 1 -- -- -- 1977-2018
Estimated Production
1,890 2,123 2,071 2,061 2,289 2,666 1977-2018
- = 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: 12/12/2019
Next Release Date: 11/20/2020