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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
1,386 1,286 1,489 1,490 1,245 881 1977-2020
Adjustments
-286 413 255 171 -17 -116 1977-2020
Revision Increases
149 153 66 78 46 80 1977-2020
Revision Decreases
221 410 73 34 110 187 1977-2020
Sales
14 155 2 126 352 79 2000-2020
Acquisitions
0 0 53 0 274 1 2000-2020
Extensions and Discoveries
  0 0 0 3 0 2016-2020
Extensions
0 -- -- -- -- -- 1977-2020
New Field Discoveries
0 -- -- -- -- -- 1977-2020
New Reservoir Discoveries in Old Fields
0 -- -- -- -- -- 1977-2020
Estimated Production
87 101 96 88 89 63 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