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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
2007 2008 2009 2010 2011 2012 View
History
Proved Reserves as of Dec. 31
365 360 196 271 245 178 1979-2012
Adjustments
24 -31 -55 104 -24 72 1979-2012
Revision Increases
46 72 39 35 48 11 1979-2012
Revision Decreases
45 47 59 83 47 102 1979-2012
Sales
3 0 54 2 0 43 2000-2012
Acquisitions
0 22 0 0 0 0 2000-2012
Extensions
19 25 0 0 0 21 1979-2012
New Field Discoveries
7 0 0 56 0 0 1979-2012
New Reservoir Discoveries in Old Fields
0 0 0 0 27 0 1979-2012
Estimated Production
44 46 35 35 30 26 1979-2012
- = 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: 4/10/2014
Next Release Date: 4/30/2015