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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
832 758 1,233 3,161 6,723 12,104 1977-2015
Adjustments
127 -99 -41 -328 -426 881 1977-2015
Revision Increases
68 17 180 530 1,548 2,364 1977-2015
Revision Decreases
59 38 162 158 1,490 1,557 1977-2015
Sales
374 0 0 12 20 1,407 2000-2015
Acquisitions
239 4 71 0 40 1,326 2000-2015
Extensions
8 118 493 1,779 3,208 3,231 1977-2015
New Field Discoveries
0 0 14 17 1 0 1977-2015
New Reservoir Discoveries in Old Fields
0 0 5 266 1,178 1,488 1977-2015
Estimated Production
73 76 85 166 477 945 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