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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
2,399 5,910 8,868 7,784 11,945 10,573 1977-2015
Adjustments
-95 53 122 161 81 271 1977-2015
Revision Increases
424 2,221 1,896 1,141 4,001 1,194 1977-2015
Revision Decreases
320 174 1,548 2,833 872 2,265 1977-2015
Sales
466 1,193 32 91 150 442 2000-2015
Acquisitions
416 1,139 19 127 173 362 2000-2015
Extensions
1,023 1,657 2,884 1,076 1,766 433 1977-2015
New Field Discoveries
117 24 38 2 0 0 1977-2015
New Reservoir Discoveries in Old Fields
15 2 1 11 16 0 1977-2015
Estimated Production
113 218 422 678 854 925 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