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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
215 161 128 113 88 56 1981-2013
Adjustments
14 -29 -7 -24 7 -10 1981-2013
Revision Increases
23 29 20 70 14 9 1981-2013
Revision Decreases
35 21 35 65 9 19 1981-2013
Sales
25 3 20 2 23 6 2000-2013
Acquisitions
17 0 35 26 0 0 2000-2013
Extensions
2 0 0 0 0 0 1981-2013
New Field Discoveries
5 0 0 0 0 0 1981-2013
New Reservoir Discoveries in Old Fields
6 10 0 0 0 8 1981-2013
Estimated Production
50 40 26 20 14 14 1981-2013
- = 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