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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
2009 2010 2011 2012 2013 2014 View
History
Proved Reserves as of Dec. 31
5,946 7,000 10,345 14,611 22,765 29,432 1977-2014
Adjustments
258 -359 -1 251 -565 -559 1977-2014
Revision Increases
383 1,034 1,218 1,701 2,120 2,213 1977-2014
Revision Decreases
865 1,075 759 2,162 2,547 4,249 1977-2014
Sales
54 895 265 275 47 1,723 2000-2014
Acquisitions
2 984 590 105 0 2,287 2000-2014
Extensions
1,190 1,594 2,820 5,132 9,827 9,033 1977-2014
New Field Discoveries
166 0 0 102 94 0 1977-2014
New Reservoir Discoveries in Old Fields
8 64 137 0 0 650 1977-2014
Estimated Production
278 293 395 588 728 985 1977-2014
- = 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, 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: 11/19/2015
Next Release Date: 12/31/2016