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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
4,991 4,558 11,001 12,861 13,953 12,486 2007-2019
Adjustments
11 29 171 -40 -477 255 2009-2019
Revision Increases
335 194 6,723 1,944 226 36 2009-2019
Revision Decreases
300 1,253 541 121 870 2,039 2009-2019
Sales
20 918 21 162 2 167 2009-2019
Acquisitions
252 939 20 372 0 0 2009-2019
Extensions and Discoveries
    797 544 2,904 1,130 2016-2019
Extensions
717 1,076 -- -- -- -- 2009-2019
New Field Discoveries
0 0 -- -- -- -- 2009-2019
New Reservoir Discoveries in Old Fields
0 0 -- -- -- -- 2009-2019
Estimated Production
381 500 706 677 689 682 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