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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
7,915 7,475 7,073 6,660 7,140 4,983 1979-2015
Adjustments
-144 -5 213 23 233 82 1979-2015
Revision Increases
1,288 593 1,044 762 801 588 1979-2015
Revision Decreases
868 1,533 2,370 1,123 923 2,404 1979-2015
Sales
145 1,174 146 574 1,513 2 2000-2015
Acquisitions
99 639 692 647 1,936 5 2000-2015
Extensions
1,274 1,676 846 426 530 67 1979-2015
New Field Discoveries
0 4 0 0 0 0 1979-2015
New Reservoir Discoveries in Old Fields
0 15 0 83 0 0 1979-2015
Estimated Production
573 655 681 657 584 493 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