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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
990 884 822 806 550 557 1979-2013
Adjustments
1 6 -8 75 67 44 1979-2013
Revision Increases
92 85 67 93 79 33 1979-2013
Revision Decreases
87 232 59 140 294 68 1979-2013
Sales
2 7 25 11 159 39 2000-2013
Acquisitions
4 2 11 10 107 91 2000-2013
Extensions
156 133 33 24 0 2 1979-2013
New Field Discoveries
0 0 0 0 0 0 1979-2013
New Reservoir Discoveries in Old Fields
2 0 0 0 0 0 1979-2013
Estimated Production
104 93 81 67 56 56 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