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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
22,667 28,167 38,048 49,588 44,778 49,055 2007-2013
Adjustments
  990 2,940 450 446 1,694 2009-2013
Revision Increases
  2,052 3,580 12,185 3,748 7,294 2009-2013
Revision Decreases
  1,267 2,425 10,263 14,749 6,669 2009-2013
Sales
  554 580 9,926 759 1,020 2009-2013
Acquisitions
  104 594 12,287 1,106 1,044 2009-2013
Extensions
  5,546 7,558 9,583 8,893 5,439 2009-2013
New Field Discoveries
  353 396 31 40 0 2009-2013
New Reservoir Discoveries in Old Fields
  65 36 93 114 371 2009-2013
Estimated Production
1,503 1,789 2,218 2,900 3,649 3,876 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