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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
2008 2009 2010 2011 2012 2013 View
History
Proved Reserves as of Dec. 31
263 271 353 270 219 169 1979-2013
Adjustments
-12 26 -5 2 -12 5 1979-2013
Revision Increases
41 12 110 28 18 8 1979-2013
Revision Decreases
33 107 121 42 38 58 1979-2013
Sales
10 0 14 100 14 0 2000-2013
Acquisitions
21 0 0 46 0 0 2000-2013
Extensions
41 94 127 16 5 6 1979-2013
New Field Discoveries
8 0 0 0 0 0 1979-2013
New Reservoir Discoveries in Old Fields
0 0 0 0 2 0 1979-2013
Estimated Production
19 17 15 14 12 11 1979-2013
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, 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: 12/4/2014
Next Release Date: 12/31/2015