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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
1,937 1,812 2,506 2,451 1,897 1,495 1977-2020
Adjustments
34 47 -109 217 -33 159 1977-2020
Revision Increases
310 205 787 379 73 123 1977-2020
Revision Decreases
420 302 84 636 410 569 1977-2020
Sales
24 98 105 143 536 16 2000-2020
Acquisitions
22 225 249 232 314 8 2000-2020
Extensions and Discoveries
  61 182 149 302 122 2016-2020
Extensions
112 -- -- -- -- -- 1977-2020
New Field Discoveries
0 -- -- -- -- -- 1977-2020
New Reservoir Discoveries in Old Fields
11 -- -- -- -- -- 1977-2020
Estimated Production
307 263 226 253 264 229 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