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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
2,887 2,674 2,030 1,422 1,750 1,704 1979-2014
Adjustments
103 -17 -48 -271 115 6 1979-2014
Revision Increases
130 40 183 45 170 67 1979-2014
Revision Decreases
793 576 661 294 12 46 1979-2014
Sales
0 0 106 0 1 0 2000-2014
Acquisitions
0 34 89 0 1 0 2000-2014
Extensions
748 408 4 0 142 0 1979-2014
New Field Discoveries
0 0 2 0 0 0 1979-2014
New Reservoir Discoveries in Old Fields
0 0 0 0 0 1 1979-2014
Estimated Production
113 102 107 88 87 74 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