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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
1,456 2,332 5,227 6,516 4,442 7,733 1979-2014
Adjustments
5 -95 -42 20 120 -73 1979-2014
Revision Increases
110 430 2,184 1,620 702 3,462 1979-2014
Revision Decreases
110 331 116 1,380 2,783 511 1979-2014
Sales
38 505 1,227 28 13 114 2000-2014
Acquisitions
55 445 1,172 8 6 115 2000-2014
Extensions
141 960 1,117 1,374 352 936 1979-2014
New Field Discoveries
390 63 2 1 0 0 1979-2014
New Reservoir Discoveries in Old Fields
0 16 0 0 0 0 1979-2014
Estimated Production
84 107 195 326 458 524 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