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Shale Gas
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
        2011 2012 View
History
Proved Reserves as of Dec. 31
        855 777 2011-2012
Adjustments
        1 1 2011-2012
Revision Increases
        912 258 2011-2012
Revision Decreases
        0 248 2011-2012
Sales
        0 0 2011-2012
Acquisitions
        0 0 2011-2012
Extensions
        43 1 2011-2012
New Field Discoveries
        0 0 2011-2012
New Reservoir Discoveries in Old Fields
        0 0 2011-2012
Estimated Production
        101 90 2011-2012
- = 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, Nebraska, 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