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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
11,704 11,111 9,578 9,322 9,766 9,164 1979-2015
Adjustments
120 179 49 42 310 -213 1979-2015
Revision Increases
1,795 1,695 1,647 2,517 2,021 726 1979-2015
Revision Decreases
1,486 1,871 2,541 2,186 1,211 2,029 1979-2015
Sales
13 841 0 224 0 718 2000-2015
Acquisitions
0 844 5 326 1 2,267 2000-2015
Extensions
150 222 103 7 56 43 1979-2015
New Field Discoveries
0 0 0 0 0 0 1979-2015
New Reservoir Discoveries in Old Fields
0 7 0 0 0 0 1979-2015
Estimated Production
866 828 796 738 733 678 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