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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
8,099 11,408 13,691 16,032 19,747 11,513 2007-2012
Adjustments
    657 105 233 -516 2009-2012
Revision Increases
    928 643 3,094 30 2009-2012
Revision Decreases
    587 405 1,405 6,895 2009-2012
Sales
    5 0 5,772 191 2009-2012
Acquisitions
    21 6 5,851 262 2009-2012
Extensions
    2,223 3,045 2,980 332 2009-2012
New Field Discoveries
    0 0 0 0 2009-2012
New Reservoir Discoveries in Old Fields
    0 0 0 0 2009-2012
Estimated Production
437 769 954 1,053 1,266 1,256 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