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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
368 1,185 1,649 3,147 5,059 6,442 2007-2014
Adjustments
101 235 20 253 -72 719 2009-2014
Revision Increases
119 528 439 901 1,056 933 2009-2014
Revision Decreases
17 343 290 199 554 823 2009-2014
Sales
1 28 115 181 1 593 2009-2014
Acquisitions
1 87 161 142 273 304 2009-2014
Extensions
159 393 340 770 1,475 1,255 2009-2014
New Field Discoveries
6 8 2 1 0 4 2009-2014
New Reservoir Discoveries in Old Fields
1 1 2 14 3 10 2009-2014
Estimated Production
25 64 95 203 268 426 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