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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
6,515 7,199 6,774 6,162 6,098 3,086 1979-2015
Adjustments
-50 157 304 -564 31 78 1979-2015
Revision Increases
776 649 1,284 447 457 53 1979-2015
Revision Decreases
163 304 1,929 245 265 2,871 1979-2015
Sales
543 776 1 321 0 26 2000-2015
Acquisitions
1 856 0 459 0 0 2000-2015
Extensions
89 514 358 26 87 95 1979-2015
New Field Discoveries
0 1 0 0 0 0 1979-2015
New Reservoir Discoveries in Old Fields
0 0 0 0 0 0 1979-2015
Estimated Production
405 413 441 414 374 341 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