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Shale Gas
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2012 2013 2014 2015 2016 2017 View
History
Proved Reserves as of Dec. 31
9,260 9,580 9,074 7,824 7,107 7,462 2007-2017
Adjustments
-483 378 243 -6 -1,079 -191 2009-2017
Revision Increases
200 1,092 800 317 799 1,146 2009-2017
Revision Decreases
1,111 616 1,141 1,138 342 206 2009-2017
Sales
381 629 150 249 0 89 2009-2017
Acquisitions
281 20 0 416 410 114 2009-2017
Extensions and Discoveries
        0 33 2016-2017
Extensions
1,054 431 381 18 -- -- 2009-2017
New Field Discoveries
0 0 0 0 -- -- 2009-2017
New Reservoir Discoveries in Old Fields
50 263 0 0 -- -- 2009-2017
Estimated Production
626 619 639 608 505 452 2007-2017
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Indiana, Kentucky (2017-present), Missouri, New York, South Dakota, Tennessee, and Utah.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 11/28/2018
Next Release Date: 11/29/2019