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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
2,707 3,204 2,989 2,401 2,187 3,752 1979-2021
Adjustments
159 78 48 182 199 324 1979-2021
Revision Increases
393 491 95 25 363 1,540 1979-2021
Revision Decreases
1,107 178 316 397 876 337 1979-2021
Divestitures
52 112 93 805 3 24 2000-2021
Acquisitions
49 74 99 478 0 50 2000-2021
Extensions and Discoveries
538 511 341 325 478 362 2016-2021
Extensions
-- -- -- -- -- -- 1979-2021
New Field Discoveries
-- -- -- -- -- -- 1979-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 1979-2021
Estimated Production
448 367 389 396 375 350 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