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Shale Gas
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2007 2008 2009 2010 2011 2012 View
History
Proved Reserves as of Dec. 31
96 88 3,790 10,708 23,581 32,681 2007-2012
Adjustments
    450 235 253 -63 2009-2012
Revision Increases
    299 1,994 5,238 4,411 2009-2012
Revision Decreases
    53 1,583 3,322 5,080 2009-2012
Sales
    0 163 209 5 2009-2012
Acquisitions
    542 757 1,665 12 2009-2012
Extensions
    2,409 5,154 9,835 11,610 2009-2012
New Field Discoveries
    120 49 162 251 2009-2012
New Reservoir Discoveries in Old Fields
    0 871 319 0 2009-2012
Estimated Production
1 1 65 396 1,068 2,036 2007-2012
- = 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: 4/10/2014
Next Release Date: 4/30/2015