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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
884 822 806 550 557 505 1979-2014
Adjustments
6 -8 75 67 44 -29 1979-2014
Revision Increases
85 67 93 79 33 76 1979-2014
Revision Decreases
232 59 140 294 68 16 1979-2014
Sales
7 25 11 159 39 116 2000-2014
Acquisitions
2 11 10 107 91 80 2000-2014
Extensions
133 33 24 0 2 0 1979-2014
New Field Discoveries
0 0 0 0 0 0 1979-2014
New Reservoir Discoveries in Old Fields
0 0 0 0 0 0 1979-2014
Estimated Production
93 81 67 56 56 47 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