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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
0 173 1,161 4,381 6,584 4,172 2007-2012
Adjustments
    40 1,968 26 -225 2009-2012
Revision Increases
    422 1,206 2,322 999 2009-2012
Revision Decreases
    8 1,319 1,860 2,907 2009-2012
Sales
    0 88 879 2 2009-2012
Acquisitions
    0 150 1,673 0 2009-2012
Extensions
    541 1,520 1,303 209 2009-2012
New Field Discoveries
    0 0 0 0 2009-2012
New Reservoir Discoveries in Old Fields
    21 2 0 0 2009-2012
Estimated Production
0 3 28 219 382 486 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