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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
1,766 1,463 1,204 1,316 1,396 1,240 1979-2021
Adjustments
-97 173 -81 -21 185 -101 1979-2021
Revision Increases
222 43 43 68 123 85 1979-2021
Revision Decreases
383 77 44 57 126 42 1979-2021
Divestitures
44 485 84 313 0 4 2000-2021
Acquisitions
39 165 28 545 3 0 2000-2021
Extensions and Discoveries
16 18 0 1 0 0 2016-2021
Extensions
-- -- -- -- -- -- 1979-2021
New Field Discoveries
-- -- -- -- -- -- 1979-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1979-2021
Estimated Production
130 140 121 111 105 94 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