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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
2009 2010 2011 2012 2013 2014 View
History
Proved Reserves as of Dec. 31
6,810 6,515 7,199 6,774 6,162 6,098 1979-2014
Adjustments
67 -50 157 304 -564 31 1979-2014
Revision Increases
1,181 776 649 1,284 447 457 1979-2014
Revision Decreases
499 163 304 1,929 245 265 1979-2014
Sales
90 543 776 1 321 0 2000-2014
Acquisitions
69 1 856 0 459 0 2000-2014
Extensions
108 89 514 358 26 87 1979-2014
New Field Discoveries
0 0 1 0 0 0 1979-2014
New Reservoir Discoveries in Old Fields
4 0 0 0 0 0 1979-2014
Estimated Production
423 405 413 441 414 374 1979-2014
- = 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: 11/19/2015
Next Release Date: 12/31/2016