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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
36,386 36,192 36,612 30,930 33,774 27,507 1979-2014
Adjustments
1,209 542 -50 793 1,501 -1,600 1979-2014
Revision Increases
5,344 5,038 3,363 1,811 3,806 2,277 1979-2014
Revision Decreases
3,652 5,688 3,074 6,998 1,614 6,669 1979-2014
Sales
172 1,314 1,181 560 660 3,212 2000-2014
Acquisitions
37 1,308 1,240 634 679 4,246 2000-2014
Extensions
3,641 2,191 2,272 678 1,116 366 1979-2014
New Field Discoveries
0 0 0 0 0 0 1979-2014
New Reservoir Discoveries in Old Fields
91 0 1 11 0 0 1979-2014
Estimated Production
2,288 2,271 2,151 2,051 1,984 1,675 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