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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
5,802 5,457 4,359 3,346 2,502 3,027 1981-2014
Adjustments
-3 -25 72 -296 111 499 1981-2014
Revision Increases
997 1,814 740 866 443 561 1981-2014
Revision Decreases
1,021 1,000 1,219 1,161 467 420 1981-2014
Sales
108 697 243 339 597 202 2000-2014
Acquisitions
152 594 355 496 118 305 2000-2014
Extensions
189 139 53 106 18 90 1981-2014
New Field Discoveries
25 65 66 3 34 96 1981-2014
New Reservoir Discoveries in Old Fields
150 83 38 22 47 64 1981-2014
Estimated Production
1,425 1,318 960 710 551 468 1981-2014
- = 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