This page uses JavaScipt

Natural Gas Proved Reserves, Wet After Lease Separation
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2004 2005 2006 2007 2008 2009 View
History
Proved Reserves as of Dec. 31
15,722 15,212 14,809 14,010 12,941 12,086 1979-2009
Adjustments
-32 5 49 72 -13 275 1979-2009
Revision Increases
2,229 1,703 703 2,163 2,309 902 1979-2009
Revision Decreases
1,376 1,960 749 2,134 2,341 1,139 1979-2009
Sales
443 474 6,286 297 202 145 2000-2009
Acquisitions
938 622 6,286 166 6 66 2000-2009
Extensions
908 613 446 168 111 130 1979-2009
New Field Discoveries
0 5 0 0 0 1 1979-2009
New Reservoir Discoveries in Old Fields
0 1 147 0 1 0 1979-2009
Estimated Production
1,067 1,025 999 937 940 945 1979-2009
- = 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.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 12/30/2010
Next Release Date: 6/15/2012