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Crude Oil plus Lease Condensate
(Million Barrels)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
    2009 2010 2011 2012 View
History
Proved Reserves as of Dec. 31
    3,704 4,043 4,567 4,602 2009-2012
Adjustments
    2 -3 -2 -93 2009-2012
Revision Increases
    616 790 1,861 1,077 2009-2012
Revision Decreases
    174 183 1,354 760 2009-2012
Sales
    20 54 42 187 2009-2012
Acquisitions
    14 102 52 245 2009-2012
Extensions
    158 61 29 113 2009-2012
New Field Discoveries
    34 10 410 7 2009-2012
New Reservoir Discoveries in Old Fields
    57 134 2 20 2009-2012
Estimated Production
    522 518 432 387 2009-2012
- = 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: 4/10/2014
Next Release Date: 4/30/2015