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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
    4,357 4,710 5,171 5,282 2009-2012
Adjustments
    0 -6 -1 -153 2009-2012
Revision Increases
    710 879 1,966 1,264 2009-2012
Revision Decreases
    208 214 1,455 807 2009-2012
Sales
    20 56 42 193 2009-2012
Acquisitions
    16 108 56 288 2009-2012
Extensions
    159 77 29 145 2009-2012
New Field Discoveries
    96 10 410 7 2009-2012
New Reservoir Discoveries in Old Fields
    73 145 2 34 2009-2012
Estimated Production
    599 590 504 474 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