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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
6,985 13,960 26,529 36,348 49,674 59,873 1977-2014
Adjustments
65 -373 -224 -240 664 1,266 1977-2014
Revision Increases
668 2,892 7,077 5,466 7,166 8,633 1977-2014
Revision Decreases
502 1,938 4,872 6,393 7,128 7,453 1977-2014
Sales
52 678 799 4 103 504 2000-2014
Acquisitions
600 930 1,884 12 351 1,295 2000-2014
Extensions
2,774 5,779 10,264 12,805 15,544 11,146 1977-2014
New Field Discoveries
128 50 165 414 36 7 1977-2014
New Reservoir Discoveries in Old Fields
0 904 322 0 79 6 1977-2014
Estimated Production
273 591 1,248 2,241 3,283 4,197 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