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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
7,134 10,480 14,860 23,139 31,121 21,810 1979-2015
Adjustments
-370 -36 275 -675 323 1,725 1979-2015
Revision Increases
1,055 1,214 1,733 2,159 2,342 891 1979-2015
Revision Decreases
1,098 767 2,189 2,538 4,491 14,362 1979-2015
Sales
909 244 280 48 1,823 849 2000-2015
Acquisitions
993 568 107 0 2,421 740 2000-2015
Extensions
1,628 2,871 5,227 10,019 9,561 3,854 1979-2015
New Field Discoveries
0 0 104 96 0 0 1979-2015
New Reservoir Discoveries in Old Fields
66 139 0 0 688 2 1979-2015
Estimated Production
297 399 597 734 1,039 1,312 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