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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
14,364 13,527 19,365 23,040 21,509 23,698 1977-2020
Adjustments
-61 288 28 -488 -2,535 2,568 1977-2020
Revision Increases
1,394 4,443 1,479 1,722 1,076 1,055 1977-2020
Revision Decreases
3,599 5,465 1,046 1,951 3,147 2,659 1977-2020
Sales
922 142 4,257 570 447 1,012 2000-2020
Acquisitions
2,427 361 9,189 1,416 146 398 2000-2020
Extensions and Discoveries
  880 1,668 4,933 4,965 3,102 2016-2020
Extensions
1,038 -- -- -- -- -- 1977-2020
New Field Discoveries
0 -- -- -- -- -- 1977-2020
New Reservoir Discoveries in Old Fields
1 -- -- -- -- -- 1977-2020
Estimated Production
1,197 1,202 1,223 1,387 1,589 1,785 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