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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
2,897 3,224 2,536 1,781 1,730 2,601 1979-2021
Adjustments
53 -78 49 171 182 69 1979-2021
Revision Increases
235 753 145 49 92 964 1979-2021
Revision Decreases
295 240 37 689 449 1 1979-2021
Divestitures
11 119 628 1,122 808 0 2000-2021
Acquisitions
0 200 0 1,034 1,122 3 2000-2021
Extensions and Discoveries
113 58 0 0 9 0 2016-2021
Extensions
-- -- -- -- -- -- 1979-2021
New Field Discoveries
-- -- -- -- -- -- 1979-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1979-2021
Estimated Production
284 247 217 198 199 164 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