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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
5,341 4,946 4,827 4,787 4,475 4,890 1977-2012
Adjustments
-65 49 29 68 -311 639 1977-2012
Revision Increases
351 199 355 535 684 421 1977-2012
Revision Decreases
185 690 447 710 708 1,113 1977-2012
Sales
1,783 136 90 575 260 84 2000-2012
Acquisitions
1,891 264 97 451 271 106 2000-2012
Extensions
349 260 263 496 305 708 1977-2012
New Field Discoveries
0 0 0 0 0 1 1977-2012
New Reservoir Discoveries in Old Fields
3 1 2 10 0 46 1977-2012
Estimated Production
346 342 328 315 293 309 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