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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
4,566 3,316 6,521 8,811 9,297 36,176 1977-2020
Adjustments
229 104 318 86 -434 770 1977-2020
Revision Increases
76 844 3,178 2,067 1,030 17 1977-2020
Revision Decreases
2,217 1,839 0 569 120 35,652 1977-2020
Sales
0 174 0 0 0 4,684 2000-2020
Acquisitions
1 26 0 769 39 66,574 2000-2020
Extensions and Discoveries
  96 50 262 268 101 2016-2020
Extensions
27 -- -- -- -- -- 1977-2020
New Field Discoveries
0 -- -- -- -- -- 1977-2020
New Reservoir Discoveries in Old Fields
0 -- -- -- -- -- 1977-2020
Estimated Production
295 307 341 325 297 247 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