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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
1,667 2,381 3,569 5,420 6,034 6,203 1977-2015
Adjustments
-2 -3 -56 -208 -31 74 1977-2015
Revision Increases
848 570 924 1,096 861 1,131 1977-2015
Revision Decreases
722 375 292 640 777 1,164 1977-2015
Sales
47 113 237 13 557 152 2000-2015
Acquisitions
136 169 206 384 322 43 2000-2015
Extensions
442 572 834 1,523 1,161 719 1977-2015
New Field Discoveries
25 10 16 1 4 0 1977-2015
New Reservoir Discoveries in Old Fields
2 17 23 10 37 5 1977-2015
Estimated Production
94 133 230 302 406 487 1977-2015
- = 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