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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 4,031 4,141 4,226 4,379 4,386 1977-2012
Adjustments
82 -8 251 -200 -124 59 1977-2012
Revision Increases
488 549 541 480 502 814 1977-2012
Revision Decreases
413 441 628 418 431 850 1977-2012
Sales
289 211 149 133 199 311 2000-2012
Acquisitions
218 186 229 419 257 111 2000-2012
Extensions
426 415 317 326 520 583 1977-2012
New Field Discoveries
20 0 0 0 3 1 1977-2012
New Reservoir Discoveries in Old Fields
10 6 3 3 2 4 1977-2012
Estimated Production
462 459 454 392 377 404 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