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Dry Natural Gas Proved Reserves
(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
1,791 1,510 1,262 1,387 1,493 1,295 1977-2021
Adjustments
-104 159 -97 -24 180 -70 1977-2021
Revision Increases
228 82 79 93 153 93 1977-2021
Revision Decreases
385 78 46 56 124 41 1977-2021
Divestitures
43 475 82 305 0 76 2000-2021
Acquisitions
37 163 27 531 9 0 2000-2021
Extensions and Discoveries
17 17 0 6 0 0 2016-2021
Extensions
-- -- -- -- -- -- 1977-2021
New Field Discoveries
-- -- -- -- -- -- 1977-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1977-2021
Estimated Production
141 149 129 120 112 104 1977-2021
- = 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: 3/29/2024
Next Release Date: 12/31/2024