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Shale Gas
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2010 2011 2012 2013 2014 2015 View
History
Proved Reserves as of Dec. 31
12,573 10,276 9,260 9,580 9,074 7,824 2007-2015
Adjustments
533 42 -483 378 243 -6 2009-2015
Revision Increases
1,044 3,005 200 1,092 800 317 2009-2015
Revision Decreases
191 5,864 1,111 616 1,141 1,138 2009-2015
Sales
83 1,259 381 629 150 249 2009-2015
Acquisitions
32 1,489 281 20 0 416 2009-2015
Extensions
1,199 891 1,054 431 381 18 2009-2015
New Field Discoveries
0 11 0 0 0 0 2009-2015
New Reservoir Discoveries in Old Fields
8 0 50 263 0 0 2009-2015
Estimated Production
725 612 626 619 639 608 2007-2015
- = 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: 12/14/2016
Next Release Date: 11/30/2017