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Expected Future Production of Dry Natural Gas
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2007 2008 2009 2010 2011 2012 View
History
Proved Reserves as of Dec. 31
11,917 7,699 9,101 8,838 9,424 9,579 1977-2012
Adjustments
1 -3 3 1 -1 -2 1977-2012
Revision Increases
2,147 184 1,868 622 928 752 1977-2012
Revision Decreases
112 4,068 108 452 206 339 1977-2012
Sales
10 0 5 131 36 2 2000-2012
Acquisitions
6 0 0 0 221 0 2000-2012
Extensions
28 18 2 14 4 45 1977-2012
New Field Discoveries
0 0 0 0 0 0 1977-2012
New Reservoir Discoveries in Old Fields
0 5 0 0 3 0 1977-2012
Estimated Production
388 354 358 317 327 299 1977-2012
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, Illinois, Indiana, Maryland, Missouri, Nebraska, Nevada, Oregon, South Dakota, and Tennessee. Expected Future Production data are calculated from Total Wet Natural Gas Proved Reserves.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 4/10/2014
Next Release Date: 4/30/2015