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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
1,773 2,068 2,126 1,727 1,342 1,298 1989-2010
Adjustments
        0 61 2009-2010
Revision Increases
        17 134 2009-2010
Revision Decreases
        316 51 2009-2010
Sales
        2 266 2009-2010
Acquisitions
        0 151 2009-2010
Extensions
        21 29 2009-2010
New Field Discoveries
        0 0 2009-2010
New Reservoir Discoveries in Old Fields
        0 0 2009-2010
Estimated Production
113 114 114 107 105 102 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