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Coalbed Methane
(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
2,738 2,781 2,328 2,683 2,539 1,736 2000-2012
Adjustments
    -4 329 98 -32 2009-2012
Revision Increases
    609 575 504 242 2009-2012
Revision Decreases
    725 140 539 541 2009-2012
Sales
    111 82 194 162 2009-2012
Acquisitions
    0 59 123 36 2009-2012
Extensions
    226 180 370 80 2009-2012
New Field Discoveries
    0 0 0 0 2009-2012
New Reservoir Discoveries in Old Fields
    87 0 0 0 2009-2012
Estimated Production
401 573 535 566 506 426 2000-2012
- = 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