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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
8,238 7,348 6,485 6,580 5,074 4,391 1989-2013
Adjustments
  0 106 73 181 75 2009-2013
Revision Increases
  126 937 698 343 789 2009-2013
Revision Decreases
  566 1,557 367 1,566 1,023 2009-2013
Sales
  0 0 1,034 0 82 2009-2013
Acquisitions
  0 0 1,021 0 0 2009-2013
Extensions
  48 184 220 22 2 2009-2013
New Field Discoveries
  0 0 0 0 0 2009-2013
New Reservoir Discoveries in Old Fields
  0 0 0 0 0 2009-2013
Estimated Production
497 498 533 516 486 444 1989-2013
- = 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