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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
26,063 27,313 18,385 16,933 19,645 13,620 1979-2015
Adjustments
-484 144 124 224 177 -1,080 1979-2015
Revision Increases
2,594 3,093 2,913 2,527 2,378 2,616 1979-2015
Revision Decreases
2,489 5,330 12,096 3,243 2,722 6,027 1979-2015
Sales
598 4,948 276 964 2,277 1,597 2000-2015
Acquisitions
564 5,009 176 1,127 4,229 420 2000-2015
Extensions
10,751 5,693 2,839 766 2,474 1,083 1979-2015
New Field Discoveries
48 0 0 1 0 0 1979-2015
New Reservoir Discoveries in Old Fields
173 144 0 0 5 0 1979-2015
Estimated Production
1,716 2,555 2,608 1,890 1,552 1,440 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