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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
2009 2010 2011 2012 2013 2014 View
History
Proved Reserves as of Dec. 31
1,090 1,021 976 995 955 954 1979-2014
Adjustments
1 -2 -1 -1 1 -24 1979-2014
Revision Increases
191 392 95 263 114 89 1979-2014
Revision Decreases
103 195 128 142 301 137 1979-2014
Sales
4 132 34 2 92 0 2000-2014
Acquisitions
0 0 171 0 271 34 2000-2014
Extensions
2 13 1 30 74 138 1979-2014
New Field Discoveries
0 0 0 0 0 0 1979-2014
New Reservoir Discoveries in Old Fields
0 0 3 0 1 0 1979-2014
Estimated Production
136 145 152 129 108 101 1979-2014
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, Idaho, 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: 11/19/2015
Next Release Date: 12/31/2016