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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
7,000 10,345 14,611 22,765 29,432 20,553 1977-2015
Adjustments
-359 -1 251 -565 -559 1,511 1977-2015
Revision Increases
1,034 1,218 1,701 2,120 2,213 838 1977-2015
Revision Decreases
1,075 759 2,162 2,547 4,249 13,515 1977-2015
Sales
895 265 275 47 1,723 799 2000-2015
Acquisitions
984 590 105 0 2,287 696 2000-2015
Extensions
1,594 2,820 5,132 9,827 9,033 3,626 1977-2015
New Field Discoveries
0 0 102 94 0 0 1977-2015
New Reservoir Discoveries in Old Fields
64 137 0 0 650 2 1977-2015
Estimated Production
293 395 588 728 985 1,238 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