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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
7,733 6,400 3,159 3,835 6,141 4,563 1979-2019
Adjustments
-73 -151 179 -10 308 40 1979-2019
Revision Increases
3,462 921 610 275 521 17 1979-2019
Revision Decreases
511 1,683 4,134 388 574 1,687 1979-2019
Sales
114 351 17 651 422 69 2000-2019
Acquisitions
115 305 35 1,166 866 247 2000-2019
Extensions and Discoveries
    388 588 1,951 195 2016-2019
Extensions
936 152 -- -- -- -- 1979-2019
New Field Discoveries
0 0 -- -- -- -- 1979-2019
New Reservoir Discoveries in Old Fields
0 0 -- -- -- -- 1979-2019
Estimated Production
524 526 302 304 344 321 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