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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
3,547 3,494 3,752 3,213 2,279 2,296 1977-2020
Adjustments
177 144 -251 56 230 66 1977-2020
Revision Increases
97 426 819 211 50 297 1977-2020
Revision Decreases
3,125 342 268 130 962 519 1977-2020
Sales
42 73 129 677 1,083 783 2000-2020
Acquisitions
0 0 270 5 1,071 1,082 2000-2020
Extensions and Discoveries
  142 118 282 25 110 2016-2020
Extensions
160 -- -- -- -- -- 1977-2020
New Field Discoveries
0 -- -- -- -- -- 1977-2020
New Reservoir Discoveries in Old Fields
0 -- -- -- -- -- 1977-2020
Estimated Production
405 350 301 286 265 236 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