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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
10,852 14,152 16,328 10,957 13,389 12,606 1979-2014
Adjustments
-8 -31 705 -778 -53 18 1979-2014
Revision Increases
1,907 1,060 581 1,749 472 157 1979-2014
Revision Decreases
621 301 311 6,603 280 1,095 1979-2014
Sales
49 393 6,724 1 4 239 2000-2014
Acquisitions
36 807 6,882 6 9 1 2000-2014
Extensions
4,629 3,079 2,094 1,388 3,419 1,506 1979-2014
New Field Discoveries
0 0 0 0 0 0 1979-2014
New Reservoir Discoveries in Old Fields
36 27 23 11 1 2 1979-2014
Estimated Production
694 948 1,074 1,143 1,132 1,133 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