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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
88,997 98,165 86,924 90,349 97,154 78,866 1981-2015
Adjustments
985 144 104 880 72 3,096 1981-2015
Revision Increases
10,917 19,921 9,246 13,412 14,787 8,524 1981-2015
Revision Decreases
9,252 18,843 25,403 12,498 10,387 29,396 1981-2015
Sales
2,580 20,510 2,774 3,423 6,483 4,353 2000-2015
Acquisitions
3,179 22,546 3,000 3,942 8,111 5,618 2000-2015
Extensions
11,657 12,555 11,911 8,108 8,361 6,227 1981-2015
New Field Discoveries
519 69 58 5 30 0 1981-2015
New Reservoir Discoveries in Old Fields
122 425 187 606 191 27 1981-2015
Estimated Production
6,974 7,139 7,570 7,607 7,877 8,031 1981-2015
- = 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