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Coalbed Methane
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2013 2014 2015 2016 2017 2018 View
History
Proved Reserves as of Dec. 31
12,392 15,696 12,517 10,585 11,878 W 1989-2018
Adjustments
-309 1,796 1,107 -331 367 W 2009-2018
Revision Increases
3,123 3,299 658 807 1,266 W 2009-2018
Revision Decreases
1,998 1,020 2,945 1,750 590 W 2009-2018
Sales
869 442 2,208 36 1,637 W 2009-2018
Acquisitions
42 680 1,410 354 2,830 W 2009-2018
Extensions and Discoveries
      44 37 W 2016-2018
Extensions
278 395 68 -- --   2009-2017
New Field Discoveries
0 0 0 -- --   2009-2017
New Reservoir Discoveries in Old Fields
0 0 0 -- --   2009-2017
Estimated Production
1,466 1,404 1,269 1,020 980 W 1989-2018
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: W -- Individual state volumes are withheld to avoid disclosure of operator-level reserves data, due to statistical precision requirements, or due to other data quality reasons. The individual state volumes are included in the U.S. Total volume.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 12/12/2019
Next Release Date: 11/20/2020