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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
36,192 36,612 30,930 33,774 27,507 20,141 1979-2015
Adjustments
542 -50 793 1,501 -1,600 1,259 1979-2015
Revision Increases
5,038 3,363 1,811 3,806 2,277 787 1979-2015
Revision Decreases
5,688 3,074 6,998 1,614 6,669 6,980 1979-2015
Sales
1,314 1,181 560 660 3,212 1,132 2000-2015
Acquisitions
1,308 1,240 634 679 4,246 6 2000-2015
Extensions
2,191 2,272 678 1,116 366 374 1979-2015
New Field Discoveries
0 0 0 0 0 0 1979-2015
New Reservoir Discoveries in Old Fields
0 1 11 0 0 0 1979-2015
Estimated Production
2,271 2,151 2,051 1,984 1,675 1,680 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