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Dry Natural Gas Proved Reserves
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2015 2016 2017 2018 2019 2020 View
History
Proved Reserves as of Dec. 31
3,183 2,821 2,654 2,449 2,125 1,989 1977-2020
Adjustments
396 -213 33 14 -35 48 1977-2020
Revision Increases
230 368 236 87 32 72 1977-2020
Revision Decreases
1,589 308 166 124 129 102 1977-2020
Sales
6 304 457 4 771 2 2000-2020
Acquisitions
0 311 378 0 742 0 2000-2020
Extensions and Discoveries
  0 1 0 1 0 2016-2020
Extensions
62 -- -- -- -- -- 1977-2020
New Field Discoveries
0 -- -- -- -- -- 1977-2020
New Reservoir Discoveries in Old Fields
0 -- -- -- -- -- 1977-2020
Estimated Production
269 216 192 178 164 152 1977-2020
- = 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: 1/13/2022
Next Release Date: 12/30/2022