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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
2010 2011 2012 2013 2014 2015 View
History
Proved Reserves as of Dec. 31
498 506 269 245 265 182 1979-2015
Adjustments
-3 -12 58 -20 19 -34 1979-2015
Revision Increases
47 116 84 115 112 28 1979-2015
Revision Decreases
84 31 120 73 70 76 1979-2015
Sales
2 47 303 0 164 1 2000-2015
Acquisitions
0 44 93 0 164 0 2000-2015
Extensions
0 1 0 0 0 28 1979-2015
New Field Discoveries
1 0 0 0 0 0 1979-2015
New Reservoir Discoveries in Old Fields
0 0 9 0 0 0 1979-2015
Estimated Production
68 63 58 46 41 28 1979-2015
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, 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: 12/14/2016
Next Release Date: 11/30/2017