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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
10,869 14,178 16,370 11,035 13,518 12,789 1977-2014
Adjustments
5 -34 728 -743 -78 -3 1977-2014
Revision Increases
1,912 1,072 631 1,754 560 171 1977-2014
Revision Decreases
621 301 324 6,610 284 1,094 1977-2014
Sales
54 393 6,760 1 4 248 2000-2014
Acquisitions
36 807 6,880 6 9 80 2000-2014
Extensions
4,627 3,082 2,093 1,399 3,419 1,505 1977-2014
New Field Discoveries
0 0 0 0 0 0 1977-2014
New Reservoir Discoveries in Old Fields
36 27 23 11 1 2 1977-2014
Estimated Production
698 951 1,079 1,151 1,140 1,142 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