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Coalbed Methane
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2008 2009 2010 2011 2012 2013 View
History
Proved Reserves as of Dec. 31
20,798 18,578 17,508 16,817 13,591 12,392 2005-2013
Adjustments
  -14 784 -15 1,327 -309 2009-2013
Revision Increases
  1,563 2,589 2,071 971 3,123 2009-2013
Revision Decreases
  2,486 2,914 1,668 3,871 1,998 2009-2013
Sales
  208 366 1,775 200 869 2009-2013
Acquisitions
  24 226 1,710 36 42 2009-2013
Extensions
  724 497 736 166 278 2009-2013
New Field Discoveries
  0 0 0 0 0 2009-2013
New Reservoir Discoveries in Old Fields
  91 0 13 0 0 2009-2013
Estimated Production
1,966 1,914 1,886 1,763 1,655 1,466 2005-2013
- = 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: 12/4/2014
Next Release Date: 12/31/2015