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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
3,994 3,290 2,871 2,629 2,475 2,228 1977-2012
Adjustments
12 -71 46 32 -49 112 1977-2012
Revision Increases
163 283 99 206 455 99 1977-2012
Revision Decreases
35 732 328 173 157 254 1977-2012
Sales
302 10 2 263 573 11 2000-2012
Acquisitions
379 21 0 148 383 21 2000-2012
Extensions
123 59 20 28 3 0 1977-2012
New Field Discoveries
0 2 0 3 2 0 1977-2012
New Reservoir Discoveries in Old Fields
17 1 0 0 0 0 1977-2012
Estimated Production
274 257 254 223 218 214 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