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Estimated Dry Natural Gas contained in Total Natural Gas Proved Reserves
(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
11,765 10,420 9,392 8,193 8,527 7,296 1990-2015
Adjustments
-123 -28 -610 185 648 -374 1990-2015
Revision Increases
2,978 2,467 2,835 1,315 2,301 1,467 1990-2015
Revision Decreases
2,242 2,993 2,611 1,328 2,244 1,603 1990-2015
Sales
880 318 586 1,031 330 244 2000-2015
Acquisitions
1,003 455 787 443 431 446 2000-2015
Extensions
326 94 332 258 204 175 1990-2015
New Field Discoveries
68 562 82 84 378 29 1990-2015
New Reservoir Discoveries in Old Fields
237 76 103 73 94 58 1990-2015
Estimated Production
2,154 1,660 1,360 1,198 1,148 1,185 1990-2015
- = 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, Nebraska, Nevada, Oregon, South Dakota, and Tennessee. Estimated Dry Natural Gas is calculated from Total Natural Gas Proved Reserves.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 12/14/2016
Next Release Date: 11/30/2017