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Nonassociated Natural Gas Proved Reserves, Wet After Lease Separation
(Billion Cubic Feet)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2002 2003 2004 2005 2006 2007 View
History
Proved Reserves as of Dec. 31
166,020 168,593 173,551 185,072 190,776 215,121 1979-2007
Adjustments
3,505 2,121 191 1,567 1,000 714 1979-2007
Revision Increases
17,653 17,736 24,107 20,081 16,268 28,004 1979-2007
Revision Decreases
17,565 19,705 24,121 18,613 20,957 15,664 1979-2007
Sales
9,601 9,553 10,579 7,977 22,178 14,403 2000-2007
Acquisitions
10,185 10,638 12,571 10,235 25,122 14,620 2000-2007
Extensions
14,616 16,378 18,161 21,037 22,024 27,157 1979-2007
New Field Discoveries
1,145 805 756 854 385 768 1979-2007
New Reservoir Discoveries in Old Fields
1,421 1,529 1,147 1,164 1,132 1,171 1979-2007
Estimated Production
17,260 17,376 17,275 16,827 17,092 18,022 1979-2007
- = 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: 11/10/2008
Next Release Date: 10/16/2009