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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
6,961 7,301 9,993 9,467 11,038 12,291 1979-2014
Adjustments
-94 38 434 892 803 -117 1979-2014
Revision Increases
798 1,129 2,390 1,032 1,007 1,651 1979-2014
Revision Decreases
1,456 882 1,133 2,238 1,693 872 1979-2014
Sales
273 219 964 552 477 570 2000-2014
Acquisitions
324 189 1,319 68 600 1,182 2000-2014
Extensions
530 984 1,543 1,263 2,264 938 1979-2014
New Field Discoveries
48 25 7 1 0 2 1979-2014
New Reservoir Discoveries in Old Fields
324 3 24 5 1 21 1979-2014
Estimated Production
1,043 927 928 997 934 982 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