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Crude Oil plus Lease Condensate Proved Reserves, Reserves Changes, and Production
(Million Barrels)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
        2009 2010 View
History
Proved Reserves as of Dec. 31
        855 823 2009-2010
Adjustments
        19 25 2009-2010
Revision Increases
        123 124 2009-2010
Revision Decreases
        55 138 2009-2010
Sales
        6 81 2009-2010
Acquisitions
        0 58 2009-2010
Extensions
        35 32 2009-2010
New Field Discoveries
        0 1 2009-2010
New Reservoir Discoveries in Old Fields
        0 0 2009-2010
Estimated Production
        51 53 2009-2010
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, Missouri, Nevada, New York, South Dakota, Tennessee, and Virginia.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 8/2/2012
Next Release Date: 8/30/2013