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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
8,570 14,503 17,429 18,205 15,779 14,308 1977-2020
Adjustments
1,170 -87 141 -619 -434 1,483 1977-2020
Revision Increases
748 7,413 2,792 649 112 152 1977-2020
Revision Decreases
4,720 1,214 396 1,139 2,418 2,419 1977-2020
Sales
1,293 486 799 130 185 445 2000-2020
Acquisitions
1,524 434 1,668 11 114 392 2000-2020
Extensions and Discoveries
  947 572 3,033 1,401 272 2016-2020
Extensions
1,095 -- -- -- -- -- 1977-2020
New Field Discoveries
0 -- -- -- -- -- 1977-2020
New Reservoir Discoveries in Old Fields
0 -- -- -- -- -- 1977-2020
Estimated Production
1,011 1,074 1,052 1,029 1,016 906 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: 1/11/2021
Next Release Date: 12/20/2021