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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
2,682 2,322 2,504 3,754 3,183 3,040 1979-2013
Adjustments
12 106 48 -38 585 -44 1979-2013
Revision Increases
176 152 295 417 24 313 1979-2013
Revision Decreases
347 221 256 393 1,101 227 1979-2013
Sales
31 577 3 803 162 21 2000-2013
Acquisitions
7 32 0 2,161 133 16 2000-2013
Extensions
717 335 258 122 234 3 1979-2013
New Field Discoveries
2 0 0 0 0 0 1979-2013
New Reservoir Discoveries in Old Fields
1 0 0 0 0 60 1979-2013
Estimated Production
205 187 160 216 284 243 1979-2013
- = 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