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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
5,909 5,338 5,372 5,442 4,935 3,749 1981-2020
Adjustments
-347 213 232 130 133 -278 1981-2020
Revision Increases
1,059 910 1,104 826 672 286 1981-2020
Revision Decreases
1,099 786 657 363 278 564 1981-2020
Sales
235 276 53 176 1,108 83 2000-2020
Acquisitions
365 117 43 228 583 96 2000-2020
Extensions and Discoveries
  153 200 207 295 12 2016-2020
Extensions
139 -- -- -- -- -- 1981-2020
New Field Discoveries
29 -- -- -- -- -- 1981-2020
New Reservoir Discoveries in Old Fields
29 -- -- -- -- -- 1981-2020
Estimated Production
921 902 835 782 804 655 1981-2020
- = 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