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Coalbed Methane
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2011 2012 2013 2014 2015 2016 View
History
Proved Reserves as of Dec. 31
16,817 13,591 12,392 15,696 12,517 10,585 1989-2016
Adjustments
-15 1,327 -309 1,796 1,107 -331 2009-2016
Revision Increases
2,071 971 3,123 3,299 658 807 2009-2016
Revision Decreases
1,668 3,871 1,998 1,020 2,945 1,750 2009-2016
Sales
1,775 200 869 442 2,208 36 2009-2016
Acquisitions
1,710 36 42 680 1,410 354 2009-2016
Extensions and Discoveries
          44 2016-2016
Extensions
736 166 278 395 68 -- 2009-2016
New Field Discoveries
0 0 0 0 0 -- 2009-2016
New Reservoir Discoveries in Old Fields
13 0 0 0 0 -- 2009-2016
Estimated Production
1,763 1,655 1,466 1,404 1,269 1,020 1989-2016
- = 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: 02/13/2018
Next Release Date: 10/31/2018