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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
1,562 1,736 1,673 1,090 679 1,067 2007-2021
Adjustments
-123 -143 215 40 164 -79 2009-2021
Revision Increases
112 283 19 1 109 309 2009-2021
Revision Decreases
59 24 104 238 589 55 2009-2021
Divestitures
36 1 236 293 61 61 2009-2021
Acquisitions
455 169 161 0 50 351 2009-2021
Extensions and Discoveries
0 0 0 0 0 0 2016-2021
Extensions
-- -- -- -- -- -- 2009-2021
New Field Discoveries
-- -- -- -- -- -- 2009-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 2009-2021
Estimated Production
116 110 118 93 84 77 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