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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
2,309 2,128 2,469 2,321 2,590 1,550 1977-2012
Adjustments
31 -8 2 4 902 -574 1977-2012
Revision Increases
296 239 180 488 1,444 379 1977-2012
Revision Decreases
217 327 148 427 1,854 491 1977-2012
Sales
158 1 4 2 45 284 2000-2012
Acquisitions
225 23 78 0 42 92 2000-2012
Extensions
13 96 446 8 69 3 1977-2012
New Field Discoveries
0 0 1 1 0 4 1977-2012
New Reservoir Discoveries in Old Fields
1 14 0 0 0 9 1977-2012
Estimated Production
227 217 214 220 289 178 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