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Shale Gas
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2009 2010 2011 2012 2013 2014 View
History
Proved Reserves as of Dec. 31
10,756 12,573 10,276 9,260 9,580 9,074 2007-2014
Adjustments
179 533 42 -483 378 243 2009-2014
Revision Increases
580 1,044 3,005 200 1,092 800 2009-2014
Revision Decreases
469 191 5,864 1,111 616 1,141 2009-2014
Sales
53 83 1,259 381 629 150 2009-2014
Acquisitions
59 32 1,489 281 20 0 2009-2014
Extensions
2,389 1,199 891 1,054 431 381 2009-2014
New Field Discoveries
0 0 11 0 0 0 2009-2014
New Reservoir Discoveries in Old Fields
14 8 0 50 263 0 2009-2014
Estimated Production
643 725 612 626 619 639 2007-2014
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, Idaho, 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: 11/19/2015
Next Release Date: 12/31/2016