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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
2008 2009 2010 2011 2012 2013 View
History
Proved Reserves as of Dec. 31
2,378 3,091 3,215 2,832 2,579 2,373 1982-2013
Adjustments
-6 339 59 -413 66 -9 1982-2013
Revision Increases
26 256 658 378 32 137 1982-2013
Revision Decreases
246 87 560 255 332 271 1982-2013
Sales
2 0 124 3 0 1 2000-2013
Acquisitions
1 0 166 3 0 0 2000-2013
Extensions
202 383 97 63 134 80 1982-2013
New Field Discoveries
0 0 0 0 0 0 1982-2013
New Reservoir Discoveries in Old Fields
0 0 0 0 0 0 1982-2013
Estimated Production
126 178 172 156 153 142 1982-2013
- = 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, Nevada, Oregon, South Dakota, and Tennessee.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 12/4/2014
Next Release Date: 12/31/2015