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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
10,851 13,353 20,105 29,195 30,441 31,282 1977-2020
Adjustments
577 532 -425 689 -1,703 551 1977-2020
Revision Increases
2,274 2,987 4,375 3,325 4,026 4,043 1977-2020
Revision Decreases
2,715 2,313 1,098 1,772 6,154 5,052 1977-2020
Sales
328 689 400 706 1,011 444 2000-2020
Acquisitions
775 837 973 4,099 3,017 812 2000-2020
Extensions and Discoveries
  2,255 4,731 5,584 5,807 3,974 2016-2020
Extensions
1,458 -- -- -- -- -- 1977-2020
New Field Discoveries
0 -- -- -- -- -- 1977-2020
New Reservoir Discoveries in Old Fields
16 -- -- -- -- -- 1977-2020
Estimated Production
948 1,107 1,404 2,129 2,736 3,049 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