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Natural Gas Proved Reserves, Wet After Lease Separation
(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
14,372 20,858 25,090 23,719 26,129 36,134 1979-2021
Adjustments
104 203 -370 -2,513 2,808 621 1979-2021
Revision Increases
4,713 1,606 1,892 1,195 1,158 5,771 1979-2021
Revision Decreases
5,776 1,122 2,150 3,500 2,963 2,567 1979-2021
Divestitures
151 4,481 605 496 1,097 393 2000-2021
Acquisitions
382 9,767 1,503 164 434 2,158 2000-2021
Extensions and Discoveries
941 1,832 5,474 5,537 3,457 6,698 2016-2021
Extensions
-- -- -- -- -- -- 1979-2021
New Field Discoveries
-- -- -- -- -- -- 1979-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1979-2021
Estimated Production
1,278 1,319 1,512 1,758 1,973 2,283 1979-2021
- = 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: 12/30/2022
Next Release Date: 12/29/2023