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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
2,336 2,022 2,435 3,466 2,952 2,802 2007-2013
Adjustments
  56 267 -193 567 -106 2009-2013
Revision Increases
  119 273 385 17 331 2009-2013
Revision Decreases
  181 242 358 1,028 212 2009-2013
Sales
  496 0 748 162 18 2009-2013
Acquisitions
  24 0 2,011 130 16 2009-2013
Extensions
  308 255 118 220 1 2009-2013
New Field Discoveries
  0 0 0 0 0 2009-2013
New Reservoir Discoveries in Old Fields
  0 0 0 0 56 2009-2013
Estimated Production
141 145 140 184 258 218 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