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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
2001 2002 2003 2004 2005 2006 View
History
Proved Reserves as of Dec. 31
161,921 166,020 168,593 173,551 185,072 190,776 1979-2006
Adjustments
1,355 3,505 2,121 191 1,567 1,000 1979-2006
Revision Increases
15,917 17,653 17,736 24,107 20,081 16,268 1979-2006
Revision Decreases
18,385 17,565 19,705 24,121 18,613 20,957 1979-2006
Sales
10,733 9,601 9,553 10,579 7,977 22,178 2000-2006
Acquisitions
13,756 10,185 10,638 12,571 10,235 25,122 2000-2006
Extensions
15,987 14,616 16,378 18,161 21,037 22,024 1979-2006
New Field Discoveries
2,378 1,145 805 756 854 385 1979-2006
New Reservoir Discoveries in Old Fields
2,420 1,421 1,529 1,147 1,164 1,132 1979-2006
Estimated Production
17,451 17,260 17,376 17,275 16,827 17,092 1979-2006
Last Updated 06/27/2008
- = No Data Reported;  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.
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