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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
858 9,307 20,070 21,950 13,523 11,483 2007-2013
Adjustments
  131 2,347 -172 241 72 2009-2013
Revision Increases
  636 1,856 2,002 1,422 1,606 2009-2013
Revision Decreases
  826 1,878 3,882 10,558 2,731 2009-2013
Sales
  3 11 3,782 17 400 2009-2013
Acquisitions
  0 115 4,291 6 258 2009-2013
Extensions
  7,183 9,346 5,367 2,683 665 2009-2013
New Field Discoveries
  244 48 0 0 0 2009-2013
New Reservoir Discoveries in Old Fields
  1,377 172 140 0 0 2009-2013
Estimated Production
23 293 1,232 2,084 2,204 1,510 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