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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
2,279 1,862 2,092 1,618 1,279 1,090 1977-2020
Adjustments
-471 -24 212 -233 -187 197 1977-2020
Revision Increases
449 344 400 105 60 51 1977-2020
Revision Decreases
500 638 360 220 173 503 1977-2020
Sales
45 106 44 31 34 45 2000-2020
Acquisitions
53 53 165 5 95 193 2000-2020
Extensions and Discoveries
  183 81 105 54 55 2016-2020
Extensions
165 -- -- -- -- -- 1977-2020
New Field Discoveries
0 -- -- -- -- -- 1977-2020
New Reservoir Discoveries in Old Fields
33 -- -- -- -- -- 1977-2020
Estimated Production
331 229 224 205 154 137 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