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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
58,231 74,828 86,077 71,480 63,063 85,712 1981-2021
Adjustments
668 2,254 2,073 -454 4,113 118 1981-2021
Revision Increases
13,251 13,514 8,234 2,999 5,141 22,295 1981-2021
Revision Decreases
12,932 3,984 6,843 18,046 14,707 3,852 1981-2021
Divestitures
6,473 3,362 3,685 3,377 3,848 1,481 2000-2021
Acquisitions
6,511 8,578 3,814 2,867 3,641 3,792 2000-2021
Extensions and Discoveries
3,035 4,586 13,022 7,054 2,768 7,641 2016-2021
Extensions
-- -- -- -- -- -- 1981-2021
New Field Discoveries
-- -- -- -- -- -- 1981-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1981-2021
Estimated Production
5,502 4,989 5,366 5,640 5,528 5,864 1981-2021
- = 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