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Shale Gas
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2007 2008 2009 2010 2011 2012 View
History
Proved Reserves as of Dec. 31
21 24 368 1,185 1,649 3,147 2007-2012
Adjustments
    101 235 20 253 2009-2012
Revision Increases
    119 528 439 901 2009-2012
Revision Decreases
    17 343 290 199 2009-2012
Sales
    1 28 115 181 2009-2012
Acquisitions
    1 87 161 142 2009-2012
Extensions
    159 393 340 770 2009-2012
New Field Discoveries
    6 8 2 1 2009-2012
New Reservoir Discoveries in Old Fields
    1 1 2 14 2009-2012
Estimated Production
3 3 25 64 95 203 2007-2012
- = 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