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Nonassociated Natural Gas Proved Reserves, Wet After Lease Separation
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2010 2011 2012 2013 2014 2015 View
History
Proved Reserves as of Dec. 31
2,504 3,754 3,183 3,040 2,418 1,502 1979-2015
Adjustments
48 -38 585 -44 -231 37 1979-2015
Revision Increases
295 417 24 313 209 17 1979-2015
Revision Decreases
256 393 1,101 227 413 802 1979-2015
Sales
3 803 162 21 2 409 2000-2015
Acquisitions
0 2,161 133 16 0 406 2000-2015
Extensions
258 122 234 3 5 3 1979-2015
New Field Discoveries
0 0 0 0 0 0 1979-2015
New Reservoir Discoveries in Old Fields
0 0 0 60 0 0 1979-2015
Estimated Production
160 216 284 243 190 168 1979-2015
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, Idaho, Illinois, Indiana, Maryland, Missouri, Nevada, Oregon, South Dakota, and Tennessee.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 12/14/2016
Next Release Date: 11/30/2017