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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
1,148 776 539 615 446 348 1981-2020
Adjustments
-33 -250 11 50 113 130 1981-2020
Revision Increases
310 248 131 110 66 28 1981-2020
Revision Decreases
412 174 161 58 19 40 1981-2020
Sales
9 15 80 0 159 3 2000-2020
Acquisitions
81 0 0 0 27 0 2000-2020
Extensions and Discoveries
  20 2 110 2 0 2016-2020
Extensions
36 -- -- -- -- -- 1981-2020
New Field Discoveries
0 -- -- -- -- -- 1981-2020
New Reservoir Discoveries in Old Fields
29 -- -- -- -- -- 1981-2020
Estimated Production
251 201 140 136 199 96 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