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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
88,312 115,249 138,198 126,140 114,732 149,062 1981-2021
Adjustments
1,679 2,837 3,492 -3,156 4,590 -823 1981-2021
Revision Increases
19,507 20,349 13,874 10,336 11,006 31,595 1981-2021
Revision Decreases
17,494 6,902 11,306 26,681 25,152 13,062 1981-2021
Divestitures
7,774 4,457 5,226 5,236 4,475 4,496 2000-2021
Acquisitions
8,786 11,188 10,324 7,278 4,973 14,008 2000-2021
Extensions and Discoveries
6,470 11,957 20,997 15,725 8,075 17,823 2016-2021
Extensions
-- -- -- -- -- -- 1981-2021
New Field Discoveries
-- -- -- -- -- -- 1981-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1981-2021
Estimated Production
8,177 8,035 9,206 10,324 10,435 10,715 1981-2021
- = 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