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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
85 82 88 63 43 58 1979-2010
Adjustments
14 34 14 -31 -1 20 1979-2010
Revision Increases
13 5 5 4 2 5 1979-2010
Revision Decreases
52 38 11 7 21 7 1979-2010
Sales
3 0 1 3 0 3 2000-2010
Acquisitions
2 3 2 0 1 0 2000-2010
Extensions
27 5 9 18 6 8 1979-2010
New Field Discoveries
1 0 0 2 0 0 1979-2010
New Reservoir Discoveries in Old Fields
0 0 0 0 0 0 1979-2010
Estimated Production
12 12 12 8 7 8 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