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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
2,332 5,227 6,516 4,442 7,733 6,400 1979-2015
Adjustments
-95 -42 20 120 -73 -151 1979-2015
Revision Increases
430 2,184 1,620 702 3,462 921 1979-2015
Revision Decreases
331 116 1,380 2,783 511 1,683 1979-2015
Sales
505 1,227 28 13 114 351 2000-2015
Acquisitions
445 1,172 8 6 115 305 2000-2015
Extensions
960 1,117 1,374 352 936 152 1979-2015
New Field Discoveries
63 2 1 0 0 0 1979-2015
New Reservoir Discoveries in Old Fields
16 0 0 0 0 0 1979-2015
Estimated Production
107 195 326 458 524 526 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