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Shale Gas
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2008 2009 2010 2011 2012 2013 View
History
Proved Reserves as of Dec. 31
48 24 90 61 583 649 2007-2013
Adjustments
  -1 53 -79 249 -21 2009-2013
Revision Increases
  2 20 45 19 121 2009-2013
Revision Decreases
  22 0 12 47 112 2009-2013
Sales
  0 0 0 19 50 2009-2013
Acquisitions
  0 0 20 215 26 2009-2013
Extensions
  0 0 2 126 161 2009-2013
New Field Discoveries
  0 0 0 1 0 2009-2013
New Reservoir Discoveries in Old Fields
  0 0 0 0 3 2009-2013
Estimated Production
4 3 7 5 22 62 2007-2013
- = 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: 12/4/2014
Next Release Date: 12/31/2015