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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
7,301 9,993 9,467 11,038 12,291 8,775 1979-2015
Adjustments
38 434 892 803 -117 263 1979-2015
Revision Increases
1,129 2,390 1,032 1,007 1,651 732 1979-2015
Revision Decreases
882 1,133 2,238 1,693 872 4,863 1979-2015
Sales
219 964 552 477 570 1,349 2000-2015
Acquisitions
189 1,319 68 600 1,182 1,589 2000-2015
Extensions
984 1,543 1,263 2,264 938 1,141 1979-2015
New Field Discoveries
25 7 1 0 2 0 1979-2015
New Reservoir Discoveries in Old Fields
3 24 5 1 21 0 1979-2015
Estimated Production
927 928 997 934 982 1,029 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