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Nonassociated 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
2,907 3,781 5,964 4,780 4,714 8,334 1979-2021
Adjustments
18 -500 621 -2 400 -386 1979-2021
Revision Increases
544 880 854 154 1,033 2,907 1979-2021
Revision Decreases
667 143 328 1,674 1,035 223 1979-2021
Divestitures
304 79 39 46 115 625 2000-2021
Acquisitions
61 31 190 66 37 1,547 2000-2021
Extensions and Discoveries
868 1,005 1,494 1,025 449 1,393 2016-2021
Extensions
-- -- -- -- -- -- 1979-2021
New Field Discoveries
-- -- -- -- -- -- 1979-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1979-2021
Estimated Production
297 320 609 707 837 993 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