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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
15,019 17,981 18,808 16,497 15,031 19,440 1979-2021
Adjustments
-153 89 -614 -229 1,639 82 1979-2021
Revision Increases
7,677 2,881 670 117 159 3,062 1979-2021
Revision Decreases
1,257 409 1,177 2,528 2,541 1,273 1979-2021
Divestitures
503 824 134 193 468 20 2000-2021
Acquisitions
450 1,721 12 119 412 312 2000-2021
Extensions and Discoveries
981 590 3,133 1,465 285 3,173 2016-2021
Extensions
-- -- -- -- -- -- 1979-2021
New Field Discoveries
-- -- -- -- -- -- 1979-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1979-2021
Estimated Production
1,113 1,086 1,063 1,062 952 927 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