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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
16,097 17,816 36,119 34,127 36,497 37,397 1981-2020
Adjustments
-1,675 1,081 7,535 -1,229 -2,209 1,030 1981-2020
Revision Increases
3,094 3,828 7,711 3,741 9,878 6,482 1981-2020
Revision Decreases
6,591 6,272 3,205 7,175 10,507 8,629 1981-2020
Sales
1,649 596 414 2,279 1,604 1,058 2000-2020
Acquisitions
476 3,415 3,115 1,577 7,156 1,138 2000-2020
Extensions and Discoveries
  2,003 5,778 6,165 2,847 5,160 2016-2020
Extensions
1,241 -- -- -- -- -- 1981-2020
New Field Discoveries
0 -- -- -- -- -- 1981-2020
New Reservoir Discoveries in Old Fields
33 -- -- -- -- -- 1981-2020
Estimated Production
1,807 1,740 2,217 2,792 3,191 3,223 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