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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
2,255 2,238 1,800 2,090 3,423 5,462 1977-2012
Adjustments
-167 31 -90 -10 178 -19 1977-2012
Revision Increases
282 286 190 333 425 403 1977-2012
Revision Decreases
218 414 372 302 550 614 1977-2012
Sales
267 100 22 18 162 11 2000-2012
Acquisitions
309 108 5 30 634 195 2000-2012
Extensions
541 352 86 178 1,001 2,446 1977-2012
New Field Discoveries
1 7 11 307 0 0 1977-2012
New Reservoir Discoveries in Old Fields
15 23 13 9 113 69 1977-2012
Estimated Production
301 310 259 237 306 430 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