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Dry Natural Gas Proved Reserves
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2016 2017 2018 2019 2020 2021 View
History
Proved Reserves as of Dec. 31
13,353 20,105 29,195 30,441 31,282 39,732 1977-2021
Adjustments
532 -425 689 -1,703 551 -1,580 1977-2021
Revision Increases
2,987 4,375 3,325 4,026 4,043 6,405 1977-2021
Revision Decreases
2,313 1,098 1,772 6,154 5,052 5,516 1977-2021
Divestitures
689 400 706 1,011 444 2,444 2000-2021
Acquisitions
837 973 4,099 3,017 812 7,546 2000-2021
Extensions and Discoveries
2,255 4,731 5,584 5,807 3,974 7,270 2016-2021
Extensions
-- -- -- -- -- -- 1977-2021
New Field Discoveries
-- -- -- -- -- -- 1977-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1977-2021
Estimated Production
1,107 1,404 2,129 2,736 3,049 3,231 1977-2021
- = 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: 3/29/2024
Next Release Date: 12/31/2024