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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
2005 2006 2007 2008 2009 2010 View
History
Proved Reserves as of Dec. 31
165 182 155 119 143 152 1979-2010
Adjustments
7 18 5 -7 11 -5 1979-2010
Revision Increases
6 12 13 4 28 245 1979-2010
Revision Decreases
6 10 33 21 8 264 1979-2010
Sales
0 1 0 0 0 2 2000-2010
Acquisitions
20 0 1 2 0 24 2000-2010
Extensions
10 16 4 0 6 21 1979-2010
New Field Discoveries
0 0 0 0 0 0 1979-2010
New Reservoir Discoveries in Old Fields
1 0 0 0 0 0 1979-2010
Estimated Production
18 18 17 14 13 10 1979-2010
- = 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, Nebraska, Nevada, Oregon, South Dakota, and Tennessee.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 8/2/2012
Next Release Date: 8/30/2013