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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
17,139 17,761 26,573 24,114 22,332 18,653 1977-2020
Adjustments
-345 2,832 4,073 -48 -732 -1,044 1977-2020
Revision Increases
1,740 2,774 2,900 2,712 2,756 2,890 1977-2020
Revision Decreases
4,555 2,912 1,769 4,743 3,538 5,542 1977-2020
Sales
198 2,795 1,402 911 2,217 3,176 2000-2020
Acquisitions
354 1,670 4,836 880 2,461 4,464 2000-2020
Extensions and Discoveries
  604 1,746 1,321 1,273 505 2016-2020
Extensions
874 -- -- -- -- -- 1977-2020
New Field Discoveries
0 -- -- -- -- -- 1977-2020
New Reservoir Discoveries in Old Fields
0 -- -- -- -- -- 1977-2020
Estimated Production
1,582 1,551 1,572 1,670 1,785 1,776 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