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Shale Gas
(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
1,432 1,006 1,128 942 1,457 1,138 2007-2019
Adjustments
-41 -283 622 -158 601 -473 2009-2019
Revision Increases
209 120 143 21 72 19 2009-2019
Revision Decreases
57 198 402 40 26 69 2009-2019
Sales
1 0 157 0 55 0 2009-2019
Acquisitions
0 0 0 54 0 276 2009-2019
Extensions and Discoveries
    0 0 0 0 2016-2019
Extensions
0 0 -- -- -- -- 2009-2019
New Field Discoveries
0 0 -- -- -- -- 2009-2019
New Reservoir Discoveries in Old Fields
0 0 -- -- -- -- 2009-2019
Estimated Production
96 65 84 63 77 72 2007-2019
- = 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