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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
17,143 26,030 27,337 18,418 17,044 19,722 1977-2014
Adjustments
167 -387 214 122 201 168 1977-2014
Revision Increases
1,166 2,593 3,096 2,917 2,604 2,424 1977-2014
Revision Decreases
2,288 2,485 5,321 12,077 3,238 2,770 1977-2014
Sales
83 602 4,986 276 960 2,266 2000-2014
Acquisitions
51 562 5,046 176 1,153 4,217 2000-2014
Extensions
9,508 10,707 5,678 2,833 764 2,461 1977-2014
New Field Discoveries
253 47 0 0 1 0 1977-2014
New Reservoir Discoveries in Old Fields
1,485 173 143 0 0 5 1977-2014
Estimated Production
992 1,721 2,563 2,614 1,899 1,561 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