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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
2012 2013 2014 2015 2016 2017 View
History
Proved Reserves as of Dec. 31
643 535 607 478 226 157 1981-2017
Adjustments
-65 110 94 -32 -239 13 1981-2017
Revision Increases
220 103 147 86 85 30 1981-2017
Revision Decreases
345 80 135 181 26 74 1981-2017
Sales
74 160 33 9 15 0 2000-2017
Acquisitions
37 31 66 56 0 0 2000-2017
Extensions and Discoveries
        0 0 2016-2017
Extensions
14 10 31 37 -- -- 1981-2017
New Field Discoveries
19 0 0 0 -- -- 1981-2017
New Reservoir Discoveries in Old Fields
6 18 26 30 -- -- 1981-2017
Estimated Production
184 140 124 116 57 38 1981-2017
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, Florida (2017-present), Idaho, Illinois, Indiana, Maryland, Missouri, Nevada, Oregon, South Dakota, and Tennessee.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 11/28/2018
Next Release Date: 11/29/2019