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Shale Gas
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
    2011 2012 2013 2014 View
History
Proved Reserves as of Dec. 31
    855 777 756 15 2011-2014
Adjustments
    1 1 -1 -740 2011-2014
Revision Increases
    912 258 68 1 2011-2014
Revision Decreases
    0 248 0 3 2011-2014
Sales
    0 0 0 12 2011-2014
Acquisitions
    0 0 0 14 2011-2014
Extensions
    43 1 1 0 2011-2014
New Field Discoveries
    0 0 0 0 2011-2014
New Reservoir Discoveries in Old Fields
    0 0 0 0 2011-2014
Estimated Production
    101 90 89 1 2011-2014
- = 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, Nebraska, 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