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Shale Gas
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2016 2017 2018 2019 2020 2021 View
History
Proved Reserves as of Dec. 31
11,001 12,861 13,953 12,486 11,396 14,235 2007-2021
Adjustments
171 -40 -477 255 1,681 239 2009-2021
Revision Increases
6,723 1,944 226 36 90 2,233 2009-2021
Revision Decreases
541 121 870 2,039 1,926 842 2009-2021
Divestitures
21 162 2 167 382 0 2009-2021
Acquisitions
20 372 0 0 6 240 2009-2021
Extensions and Discoveries
797 544 2,904 1,130 40 1,577 2016-2021
Extensions
-- -- -- -- -- -- 2009-2021
New Field Discoveries
-- -- -- -- -- -- 2009-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 2009-2021
Estimated Production
706 677 689 682 599 608 2007-2021
- = 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: 12/30/2022
Next Release Date: 12/29/2023