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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
226 263 271 353 270 219 1979-2012
Adjustments
14 -12 26 -5 2 -12 1979-2012
Revision Increases
12 41 12 110 28 18 1979-2012
Revision Decreases
14 33 107 121 42 38 1979-2012
Sales
18 10 0 14 100 14 2000-2012
Acquisitions
31 21 0 0 46 0 2000-2012
Extensions
48 41 94 127 16 5 1979-2012
New Field Discoveries
38 8 0 0 0 0 1979-2012
New Reservoir Discoveries in Old Fields
8 0 0 0 0 2 1979-2012
Estimated Production
13 19 17 15 14 12 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