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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
681 617 607 498 506 269 1979-2012
Adjustments
28 3 1 -3 -12 58 1979-2012
Revision Increases
80 111 96 47 116 84 1979-2012
Revision Decreases
180 128 59 84 31 120 1979-2012
Sales
165 1 0 2 47 303 2000-2012
Acquisitions
234 23 25 0 44 93 2000-2012
Extensions
13 7 4 0 1 0 1979-2012
New Field Discoveries
0 0 1 1 0 0 1979-2012
New Reservoir Discoveries in Old Fields
1 7 0 0 0 9 1979-2012
Estimated Production
99 86 78 68 63 58 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