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Coalbed Methane
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2014 2015 2016 2017 2018 2019 View
History
Proved Reserves as of Dec. 31
15,696 12,517 10,585 11,878 W W 1989-2019
Adjustments
1,796 1,107 -331 367 W W 2009-2019
Revision Increases
3,299 658 807 1,266 W W 2009-2019
Revision Decreases
1,020 2,945 1,750 590 W W 2009-2019
Sales
442 2,208 36 1,637 W W 2009-2019
Acquisitions
680 1,410 354 2,830 W W 2009-2019
Extensions and Discoveries
    44 37 W W 2016-2019
Extensions
395 68 -- --     2009-2017
New Field Discoveries
0 0 -- --     2009-2017
New Reservoir Discoveries in Old Fields
0 0 -- --     2009-2017
Estimated Production
1,404 1,269 1,020 980 W W 1989-2019
- = 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: 1/11/2021
Next Release Date: 12/20/2021