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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
2,117 2,382 2,077 2,242 3,305 2,943 1977-2012
Adjustments
-38 -12 63 68 -65 666 1977-2012
Revision Increases
154 154 144 260 387 41 1977-2012
Revision Decreases
74 307 193 231 344 983 1977-2012
Sales
41 27 494 3 683 142 2000-2012
Acquisitions
78 16 27 0 1,855 116 2000-2012
Extensions
706 626 319 220 109 205 1977-2012
New Field Discoveries
0 1 0 0 0 0 1977-2012
New Reservoir Discoveries in Old Fields
0 1 0 0 0 0 1977-2012
Estimated Production
139 187 171 149 196 265 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