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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
11,408 13,691 16,032 19,747 11,513 13,592 2007-2013
Adjustments
  657 105 233 -516 -70 2009-2013
Revision Increases
  928 643 3,094 30 2,922 2009-2013
Revision Decreases
  587 405 1,405 6,895 334 2009-2013
Sales
  5 0 5,772 191 32 2009-2013
Acquisitions
  21 6 5,851 262 520 2009-2013
Extensions
  2,223 3,045 2,980 332 182 2009-2013
New Field Discoveries
  0 0 0 0 0 2009-2013
New Reservoir Discoveries in Old Fields
  0 0 0 0 19 2009-2013
Estimated Production
769 954 1,053 1,266 1,256 1,128 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