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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
799 742 684 1,012 2,887 6,985 1979-2014
Adjustments
68 184 -87 -164 -190 -239 1979-2014
Revision Increases
57 63 13 137 429 1,632 1979-2014
Revision Decreases
35 58 38 152 155 1,512 1979-2014
Sales
196 374 0 0 12 21 2000-2014
Acquisitions
78 185 4 71 0 35 2000-2014
Extensions
10 8 118 487 1,668 3,428 1979-2014
New Field Discoveries
0 0 0 14 16 0 1979-2014
New Reservoir Discoveries in Old Fields
0 0 0 0 263 1,261 1979-2014
Estimated Production
69 65 68 65 144 486 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