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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
2009 2010 2011 2012 2013 2014 View
History
Proved Reserves as of Dec. 31
271 353 270 219 169 167 1979-2014
Adjustments
26 -5 2 -12 5 -3 1979-2014
Revision Increases
12 110 28 18 8 4 1979-2014
Revision Decreases
107 121 42 38 58 6 1979-2014
Sales
0 14 100 14 0 4 2000-2014
Acquisitions
0 0 46 0 0 0 2000-2014
Extensions
94 127 16 5 6 0 1979-2014
New Field Discoveries
0 0 0 0 0 16 1979-2014
New Reservoir Discoveries in Old Fields
0 0 0 2 0 0 1979-2014
Estimated Production
17 15 14 12 11 9 1979-2014
- = 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: 11/19/2015
Next Release Date: 12/31/2016