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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
88 3,790 10,708 23,581 32,681 44,325 2007-2013
Adjustments
  450 235 253 -63 953 2009-2013
Revision Increases
  299 1,994 5,238 4,411 6,218 2009-2013
Revision Decreases
  53 1,583 3,322 5,080 6,152 2009-2013
Sales
  0 163 209 5 88 2009-2013
Acquisitions
  542 757 1,665 12 170 2009-2013
Extensions
  2,409 5,154 9,835 11,610 13,541 2009-2013
New Field Discoveries
  120 49 162 251 0 2009-2013
New Reservoir Discoveries in Old Fields
  0 871 319 0 78 2009-2013
Estimated Production
1 65 396 1,068 2,036 3,076 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