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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
12,427 10,965 12,750 10,558 8,470 6,685 1977-2020
Adjustments
803 868 -339 -301 -868 56 1977-2020
Revision Increases
94 723 642 115 80 167 1977-2020
Revision Decreases
6,177 1,812 853 1,496 976 1,257 1977-2020
Sales
1,072 2,593 341 1,478 279 340 2000-2020
Acquisitions
1,146 2,364 3,044 1,250 567 255 2000-2020
Extensions and Discoveries
  57 565 595 159 14 2016-2020
Extensions
970 -- -- -- -- -- 1977-2020
New Field Discoveries
0 -- -- -- -- -- 1977-2020
New Reservoir Discoveries in Old Fields
0 -- -- -- -- -- 1977-2020
Estimated Production
1,217 1,069 933 877 771 680 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