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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
14,662 14,316 13,586 11,734 11,154 11,743 1979-2014
Adjustments
412 71 87 80 -55 421 1979-2014
Revision Increases
1,196 2,134 1,932 1,900 2,860 2,484 1979-2014
Revision Decreases
1,531 1,711 2,172 3,056 2,482 1,533 1979-2014
Sales
245 104 962 100 734 12 2000-2014
Acquisitions
252 150 992 57 612 13 2000-2014
Extensions
246 244 440 267 177 136 1979-2014
New Field Discoveries
1 0 0 0 0 0 1979-2014
New Reservoir Discoveries in Old Fields
3 1 9 4 0 0 1979-2014
Estimated Production
1,264 1,131 1,056 1,004 958 920 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