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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
1,014 1,140 1,628 1,376 1,116 875 1979-2021
Adjustments
139 -46 90 -200 66 212 1979-2021
Revision Increases
439 229 375 75 18 65 1979-2021
Revision Decreases
68 0 15 115 363 537 1979-2021
Divestitures
175 0 0 0 0 15 2000-2021
Acquisitions
26 0 0 0 0 0 2000-2021
Extensions and Discoveries
91 44 131 60 94 101 2016-2021
Extensions
-- -- -- -- -- -- 1979-2021
New Field Discoveries
-- -- -- -- -- -- 1979-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1979-2021
Estimated Production
112 101 93 72 75 67 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