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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
2004 2005 2006 2007 2008 2009 View
History
Proved Reserves as of Dec. 31
95 85 82 88 63 43 1979-2009
Adjustments
-4 14 34 14 -31 -1 1979-2009
Revision Increases
18 13 5 5 4 2 1979-2009
Revision Decreases
10 52 38 11 7 21 1979-2009
Sales
0 3 0 1 3 0 2000-2009
Acquisitions
1 2 3 2 0 1 2000-2009
Extensions
2 27 5 9 18 6 1979-2009
New Field Discoveries
4 1 0 0 2 0 1979-2009
New Reservoir Discoveries in Old Fields
0 0 0 0 0 0 1979-2009
Estimated Production
16 12 12 12 8 7 1979-2009
- = 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: 12/30/2010
Next Release Date: 6/15/2012