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Coalbed Methane
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2005 2006 2007 2008 2009 2010 View
History
Proved Reserves as of Dec. 31
19,892 19,620 21,874 20,798 18,578 17,508 1989-2010
Adjustments
        -14 784 2009-2010
Revision Increases
        1,563 2,589 2009-2010
Revision Decreases
        2,486 2,914 2009-2010
Sales
        208 366 2009-2010
Acquisitions
        24 226 2009-2010
Extensions
        724 497 2009-2010
New Field Discoveries
        0 0 2009-2010
New Reservoir Discoveries in Old Fields
        91 0 2009-2010
Estimated Production
1,732 1,758 1,753 1,966 1,914 1,886 1989-2010
- = 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: 8/2/2012
Next Release Date: 8/30/2013