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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
34,428 60,644 97,449 131,616 129,396 159,115 2007-2013
Adjustments
  1,690 7,579 1,584 526 4,855 2009-2013
Revision Increases
  6,363 10,661 25,993 17,469 20,339 2009-2013
Revision Decreases
  3,642 9,491 23,455 42,706 21,486 2009-2013
Sales
  563 1,685 22,694 1,785 1,523 2009-2013
Acquisitions
  665 4,290 27,038 1,807 1,761 2009-2013
Extensions
  22,332 29,081 32,764 32,359 36,059 2009-2013
New Field Discoveries
  868 557 232 353 16 2009-2013
New Reservoir Discoveries in Old Fields
  1,613 1,149 699 128 1,113 2009-2013
Estimated Production
2,116 3,110 5,336 7,994 10,371 11,415 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