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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
2,032 1,885 2,727 2,500 1,331 4,149 2007-2021
Adjustments
-814 -409 518 -86 -1,262 -472 2009-2021
Revision Increases
334 190 334 235 569 2,685 2009-2021
Revision Decreases
565 86 337 542 742 227 2009-2021
Divestitures
512 226 111 9 16 0 2009-2021
Acquisitions
459 221 140 0 384 803 2009-2021
Extensions and Discoveries
179 260 424 324 14 330 2016-2021
Extensions
-- -- -- -- -- -- 2009-2021
New Field Discoveries
-- -- -- -- -- -- 2009-2021
New Reservoir Discoveries in Old Fields
-- -- -- -- -- -- 2009-2021
Estimated Production
164 97 126 149 116 301 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