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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
799 780 686 621 612 503 1979-2010
Adjustments
-4 -11 29 3 2 -3 1979-2010
Revision Increases
66 67 80 113 97 50 1979-2010
Revision Decreases
60 49 186 129 60 87 1979-2010
Sales
211 154 165 1 0 2 2000-2010
Acquisitions
239 47 234 23 25 0 2000-2010
Extensions
84 165 14 7 6 1 1979-2010
New Field Discoveries
0 0 0 0 1 1 1979-2010
New Reservoir Discoveries in Old Fields
3 4 1 7 0 0 1979-2010
Estimated Production
85 88 101 88 80 69 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