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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
8,786 7,633 6,916 5,374 3,989 3,037 1990-2013
Adjustments
-1 2 -41 73 -361 221 1990-2013
Revision Increases
1,131 1,511 2,054 984 1,086 546 1990-2013
Revision Decreases
1,631 1,400 1,433 1,711 1,506 547 1990-2013
Sales
672 142 827 266 413 757 2000-2013
Acquisitions
558 165 784 418 533 149 2000-2013
Extensions
637 208 246 66 120 28 1990-2013
New Field Discoveries
228 96 65 66 22 34 1990-2013
New Reservoir Discoveries in Old Fields
248 186 95 38 28 65 1990-2013
Estimated Production
1,745 1,779 1,660 1,210 894 691 1990-2013
- = 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