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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
1,875 1,447 1,270 1,139 1,090 1,021 1979-2010
Adjustments
-1 -49 1 -1 1 -2 1979-2010
Revision Increases
116 32 70 149 191 392 1979-2010
Revision Decreases
129 267 103 153 103 195 1979-2010
Sales
74 0 8 0 4 132 2000-2010
Acquisitions
79 0 5 0 0 0 2000-2010
Extensions
61 46 22 18 2 13 1979-2010
New Field Discoveries
22 0 0 0 0 0 1979-2010
New Reservoir Discoveries in Old Fields
10 2 0 5 0 0 1979-2010
Estimated Production
213 192 164 149 136 145 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