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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
233 188 185 127 117 170 1979-2017
Adjustments
-112 -7 -1 -2 3 102 1979-2017
Revision Increases
19 27 5 27 10 13 1979-2017
Revision Decreases
46 58 8 77 8 9 1979-2017
Sales
14 0 4 0 2 47 2000-2017
Acquisitions
0 0 0 0 0 3 2000-2017
Extensions and Discoveries
        0 0 2016-2017
Extensions
5 6 0 3 -- -- 1979-2017
New Field Discoveries
0 0 16 0 -- -- 1979-2017
New Reservoir Discoveries in Old Fields
2 0 0 0 -- -- 1979-2017
Estimated Production
14 13 11 9 13 9 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, Nebraska, 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