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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
8,527 7,296 6,144 5,945 6,285 5,568 1990-2019
Adjustments
648 -374 -47 251 178 245 1990-2019
Revision Increases
2,301 1,467 1,161 1,237 1,138 754 1990-2019
Revision Decreases
2,244 1,603 1,159 820 424 351 1990-2019
Sales
330 244 291 133 176 1,267 2000-2019
Acquisitions
431 446 117 43 228 610 2000-2019
Extensions and Discoveries
    173 202 317 297 2016-2019
Extensions
204 175 -- -- -- -- 1990-2019
New Field Discoveries
378 29 -- -- -- -- 1990-2019
New Reservoir Discoveries in Old Fields
94 58 -- -- -- -- 1990-2019
Estimated Production
1,148 1,185 1,106 979 921 1,005 1990-2019
- = 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