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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
2009 2010 2011 2012 2013 2014 View
History
Proved Reserves as of Dec. 31
3,724 3,502 2,857 2,523 2,183 2,444 1979-2014
Adjustments
56 84 -184 408 -105 352 1979-2014
Revision Increases
175 380 412 248 347 177 1979-2014
Revision Decreases
444 714 564 814 374 134 1979-2014
Sales
83 261 161 57 56 663 2000-2014
Acquisitions
53 173 17 38 14 684 2000-2014
Extensions
93 358 48 37 0 1 1979-2014
New Field Discoveries
0 0 0 1 0 0 1979-2014
New Reservoir Discoveries in Old Fields
0 0 0 0 0 0 1979-2014
Estimated Production
273 242 213 195 166 156 1979-2014
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, Idaho, 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: 11/19/2015
Next Release Date: 12/31/2016