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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
4,965 5,804 5,853 5,406 4,882 6,489 1979-2021
Adjustments
507 182 311 126 264 190 1979-2021
Revision Increases
925 666 277 275 589 2,005 1979-2021
Revision Decreases
1,864 276 678 596 1,310 682 1979-2021
Divestitures
342 121 218 809 3 87 2000-2021
Acquisitions
319 181 302 541 0 237 2000-2021
Extensions and Discoveries
936 903 815 821 656 621 2016-2021
Extensions
-- -- -- -- -- -- 1979-2021
New Field Discoveries
-- -- -- -- -- -- 1979-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1979-2021
Estimated Production
765 696 760 805 720 677 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