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Coalbed Methane
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2010 2011 2012 2013 2014 2015 View
History
Proved Reserves as of Dec. 31
17,508 16,817 13,591 12,392 15,696 12,517 1989-2015
Adjustments
784 -15 1,327 -309 1,796 1,107 2009-2015
Revision Increases
2,589 2,071 971 3,123 3,299 658 2009-2015
Revision Decreases
2,914 1,668 3,871 1,998 1,020 2,945 2009-2015
Sales
366 1,775 200 869 442 2,208 2009-2015
Acquisitions
226 1,710 36 42 680 1,410 2009-2015
Extensions
497 736 166 278 395 68 2009-2015
New Field Discoveries
0 0 0 0 0 0 2009-2015
New Reservoir Discoveries in Old Fields
0 13 0 0 0 0 2009-2015
Estimated Production
1,886 1,763 1,655 1,466 1,404 1,269 1989-2015
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, Idaho, 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: 12/14/2016
Next Release Date: 11/30/2017