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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
78,866 81,224 105,618 126,131 113,736 102,370 1981-2020
Adjustments
3,096 1,386 2,509 2,923 -3,817 3,652 1981-2020
Revision Increases
8,524 18,087 18,520 12,645 9,140 9,552 1981-2020
Revision Decreases
29,396 16,166 6,293 10,316 24,210 22,674 1981-2020
Sales
4,353 7,308 4,145 4,778 4,591 3,978 2000-2020
Acquisitions
5,618 8,110 10,530 9,237 6,396 4,393 2000-2020
Extensions and Discoveries
  5,763 10,597 19,116 13,904 6,904 2016-2020
Extensions
6,227 -- -- -- -- -- 1981-2020
New Field Discoveries
0 -- -- -- -- -- 1981-2020
New Reservoir Discoveries in Old Fields
27 -- -- -- -- -- 1981-2020
Estimated Production
8,031 7,514 7,324 8,314 9,217 9,223 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: 1/11/2021
Next Release Date: 12/20/2021