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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
6,066 7,134 10,480 14,860 23,139 31,121 1979-2014
Adjustments
249 -370 -36 275 -675 323 1979-2014
Revision Increases
392 1,055 1,214 1,733 2,159 2,342 1979-2014
Revision Decreases
881 1,098 767 2,189 2,538 4,491 1979-2014
Sales
55 909 244 280 48 1,823 2000-2014
Acquisitions
2 993 568 107 0 2,421 2000-2014
Extensions
1,219 1,628 2,871 5,227 10,019 9,561 1979-2014
New Field Discoveries
170 0 0 104 96 0 1979-2014
New Reservoir Discoveries in Old Fields
9 66 139 0 0 688 1979-2014
Estimated Production
282 297 399 597 734 1,039 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