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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
2007 2008 2009 2010 2011 2012 View
History
Proved Reserves as of Dec. 31
155 119 143 152 141 105 1979-2012
Adjustments
5 -7 11 -5 3 -24 1979-2012
Revision Increases
13 4 28 245 26 1 1979-2012
Revision Decreases
33 21 8 264 32 15 1979-2012
Sales
0 0 0 2 1 0 2000-2012
Acquisitions
1 2 0 24 2 1 2000-2012
Extensions
4 0 6 21 0 0 1979-2012
New Field Discoveries
0 0 0 0 0 9 1979-2012
New Reservoir Discoveries in Old Fields
0 0 0 0 0 0 1979-2012
Estimated Production
17 14 13 10 9 8 1979-2012
- = 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: 4/10/2014
Next Release Date: 4/30/2015