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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
2,322 2,504 3,754 3,183 3,040 2,418 1979-2014
Adjustments
106 48 -38 585 -44 -231 1979-2014
Revision Increases
152 295 417 24 313 209 1979-2014
Revision Decreases
221 256 393 1,101 227 413 1979-2014
Sales
577 3 803 162 21 2 2000-2014
Acquisitions
32 0 2,161 133 16 0 2000-2014
Extensions
335 258 122 234 3 5 1979-2014
New Field Discoveries
0 0 0 0 0 0 1979-2014
New Reservoir Discoveries in Old Fields
0 0 0 0 60 0 1979-2014
Estimated Production
187 160 216 284 243 190 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