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Shale Gas
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2013 2014 2015 2016 2017 2018 View
History
Proved Reserves as of Dec. 31
9,580 9,074 7,824 7,107 7,462 7,490 2007-2018
Adjustments
378 243 -6 -1,079 -191 320 2009-2018
Revision Increases
1,092 800 317 799 1,146 205 2009-2018
Revision Decreases
616 1,141 1,138 342 206 201 2009-2018
Sales
629 150 249 0 89 752 2009-2018
Acquisitions
20 0 416 410 114 594 2009-2018
Extensions and Discoveries
      0 33 321 2016-2018
Extensions
431 381 18 -- -- -- 2009-2018
New Field Discoveries
0 0 0 -- -- -- 2009-2018
New Reservoir Discoveries in Old Fields
263 0 0 -- -- -- 2009-2018
Estimated Production
619 639 608 505 452 459 2007-2018
- = 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: 12/12/2019
Next Release Date: 11/20/2020