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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
3,777 3,006 2,309 2,315 2,480 2,684 1979-2015
Adjustments
229 -274 184 -127 9 275 1979-2015
Revision Increases
642 431 451 247 411 407 1979-2015
Revision Decreases
894 698 1,031 193 162 520 1979-2015
Sales
124 60 281 158 115 155 2000-2015
Acquisitions
48 69 74 103 147 205 2000-2015
Extensions
262 17 136 358 113 272 1979-2015
New Field Discoveries
0 0 0 0 1 0 1979-2015
New Reservoir Discoveries in Old Fields
0 0 0 3 0 0 1979-2015
Estimated Production
336 256 230 227 239 280 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