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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
2013 2014 2015 2016 2017 2018 View
History
Proved Reserves as of Dec. 31
535 607 478 226 157 163 1981-2018
Adjustments
110 94 -32 -239 13 59 1981-2018
Revision Increases
103 147 86 85 30 28 1981-2018
Revision Decreases
80 135 181 26 74 50 1981-2018
Sales
160 33 9 15 0 0 2000-2018
Acquisitions
31 66 56 0 0 0 2000-2018
Extensions and Discoveries
      0 0 0 2016-2018
Extensions
10 31 37 -- -- -- 1981-2018
New Field Discoveries
0 0 0 -- -- -- 1981-2018
New Reservoir Discoveries in Old Fields
18 26 30 -- -- -- 1981-2018
Estimated Production
140 124 116 57 38 31 1981-2018
- = 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: 12/12/2019
Next Release Date: 11/20/2020