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Shale Gas
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2015 2016 2017 2018 2019 2020 View
History
Proved Reserves as of Dec. 31
175,601 209,809 307,903 342,135 353,086 317,756 2007-2020
Adjustments
12,222 12,196 10,494 4,438 -6,298 1,234 2009-2020
Revision Increases
22,271 36,298 46,655 25,939 41,528 22,724 2009-2020
Revision Decreases
68,460 29,608 18,329 49,961 61,152 69,053 2009-2020
Sales
7,250 9,620 10,947 16,289 7,724 7,443 2009-2020
Acquisitions
6,461 9,691 28,040 27,479 23,699 10,067 2009-2020
Extensions and Discoveries
  32,283 60,770 64,680 46,454 32,684 2016-2020
Extensions
24,309 -- -- -- -- -- 2009-2020
New Field Discoveries
0 -- -- -- -- -- 2009-2020
New Reservoir Discoveries in Old Fields
1,577 -- -- -- -- -- 2009-2020
Estimated Production
15,213 17,032 18,589 22,054 25,556 26,139 2007-2020
- = 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