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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
2014 2015 2016 2017 2018 2019 View
History
Proved Reserves as of Dec. 31
3,949 2,914 2,704 2,472 2,278 2,056 1979-2019
Adjustments
129 416 -99 -40 -93 -20 1979-2019
Revision Increases
512 86 329 200 89 25 1979-2019
Revision Decreases
101 1,300 229 126 26 89 1979-2019
Sales
1,147 3 327 498 5 750 2000-2019
Acquisitions
1,466 0 321 412 0 762 2000-2019
Extensions and Discoveries
    0 0 0 1 2016-2019
Extensions
4 14 -- -- -- -- 1979-2019
New Field Discoveries
0 0 -- -- -- -- 1979-2019
New Reservoir Discoveries in Old Fields
0 0 -- -- -- -- 1979-2019
Estimated Production
253 248 205 180 159 151 1979-2019
- = 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: 1/11/2021
Next Release Date: 12/20/2021