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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
3,231 3,339 3,949 2,914 2,704 2,472 1979-2017
Adjustments
-333 2 129 416 -99 -40 1979-2017
Revision Increases
757 735 512 86 329 200 1979-2017
Revision Decreases
461 479 101 1,300 229 126 1979-2017
Sales
952 30 1,147 3 327 498 2000-2017
Acquisitions
693 9 1,466 0 321 412 2000-2017
Extensions and Discoveries
        0 0 2016-2017
Extensions
180 137 4 14 -- -- 1979-2017
New Field Discoveries
0 0 0 0 -- -- 1979-2017
New Reservoir Discoveries in Old Fields
0 0 0 0 -- -- 1979-2017
Estimated Production
273 266 253 248 205 180 1979-2017
- = 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