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Nonassociated 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
10,808 17,224 14,551 13,086 12,133 10,268 1979-2021
Adjustments
2,688 3,256 -47 -588 114 -425 1979-2021
Revision Increases
1,222 1,965 1,719 1,776 1,065 1,534 1979-2021
Revision Decreases
1,975 1,262 3,382 2,351 2,236 2,584 1979-2021
Divestitures
2,528 1,361 781 64 2,585 47 2000-2021
Acquisitions
677 4,352 310 143 3,225 268 2000-2021
Extensions and Discoveries
10 494 518 598 370 123 2016-2021
Extensions
-- -- -- -- -- -- 1979-2021
New Field Discoveries
-- -- -- -- -- -- 1979-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1979-2021
Estimated Production
1,048 1,028 1,010 979 906 734 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