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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
262 304 258 215 161 128 1981-2010
Adjustments
18 13 -25 14 -29 -7 1981-2010
Revision Increases
33 15 11 23 29 20 1981-2010
Revision Decreases
33 35 23 35 21 35 1981-2010
Sales
26 69 0 25 3 20 2000-2010
Acquisitions
4 60 0 17 0 35 2000-2010
Extensions
0 0 23 2 0 0 1981-2010
New Field Discoveries
0 17 0 5 0 0 1981-2010
New Reservoir Discoveries in Old Fields
12 72 0 6 10 0 1981-2010
Estimated Production
58 31 32 50 40 26 1981-2010
- = 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