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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
337,792 457,718 495,616 485,531 436,756 525,572 1979-2021
Adjustments
6,984 19,006 8,684 -9,358 4,396 -8,512 1979-2021
Revision Increases
55,951 69,741 39,380 51,678 35,044 75,056 1979-2021
Revision Decreases
54,849 31,629 68,578 87,878 97,289 38,693 1979-2021
Divestitures
19,391 24,916 24,875 18,692 15,654 10,510 2000-2021
Acquisitions
19,972 47,039 37,844 34,824 21,345 41,755 2000-2021
Extensions and Discoveries
38,275 70,733 79,192 56,454 39,728 67,458 2016-2021
Extensions
-- -- -- -- -- -- 1979-2021
New Field Discoveries
-- -- -- -- -- -- 1979-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1979-2021
Estimated Production
28,844 30,048 33,749 37,113 36,814 37,738 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