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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
258 215 161 128 113 88 1981-2012
Adjustments
-25 14 -29 -7 -24 7 1981-2012
Revision Increases
11 23 29 20 70 14 1981-2012
Revision Decreases
23 35 21 35 65 9 1981-2012
Sales
0 25 3 20 2 23 2000-2012
Acquisitions
0 17 0 35 26 0 2000-2012
Extensions
23 2 0 0 0 0 1981-2012
New Field Discoveries
0 5 0 0 0 0 1981-2012
New Reservoir Discoveries in Old Fields
0 6 10 0 0 0 1981-2012
Estimated Production
32 50 40 26 20 14 1981-2012
- = 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