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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
3,775 3,115 2,032 1,885 2,727 2,500 2007-2019
Adjustments
3,649 288 -814 -409 518 -86 2009-2019
Revision Increases
1,104 71 334 190 334 235 2009-2019
Revision Decreases
1,042 732 565 86 337 542 2009-2019
Sales
0 0 512 226 111 9 2009-2019
Acquisitions
6 0 459 221 140 0 2009-2019
Extensions and Discoveries
    179 260 424 324 2016-2019
Extensions
158 38 -- -- -- -- 2009-2019
New Field Discoveries
0 0 -- -- -- -- 2009-2019
New Reservoir Discoveries in Old Fields
0 0 -- -- -- -- 2009-2019
Estimated Production
236 325 164 97 126 149 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