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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
13,593 15,620 33,805 32,251 34,863 35,958 1977-2020
Adjustments
-1,181 926 7,353 -1,042 -2,160 692 1977-2020
Revision Increases
2,624 3,465 7,297 3,608 9,730 6,409 1977-2020
Revision Decreases
6,036 5,602 2,796 6,952 10,250 8,004 1977-2020
Sales
1,592 489 366 2,248 1,570 1,007 2000-2020
Acquisitions
417 3,362 2,950 1,572 7,061 945 2000-2020
Extensions and Discoveries
  1,820 5,697 6,060 2,793 5,105 2016-2020
Extensions
1,075 -- -- -- -- -- 1977-2020
New Field Discoveries
0 -- -- -- -- -- 1977-2020
New Reservoir Discoveries in Old Fields
0 -- -- -- -- -- 1977-2020
Estimated Production
1,436 1,455 1,950 2,552 2,992 3,045 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