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Crude Oil plus Lease Condensate
(Million Barrels)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
  2009 2010 2011 2012 2013 View
History
Proved Reserves as of Dec. 31
  3,704 4,043 4,567 4,602 4,591 2009-2013
Adjustments
  2 -3 -2 -93 -265 2009-2013
Revision Increases
  616 790 1,861 1,077 567 2009-2013
Revision Decreases
  174 183 1,354 760 322 2009-2013
Sales
  20 54 42 187 283 2009-2013
Acquisitions
  14 102 52 245 216 2009-2013
Extensions
  158 61 29 113 143 2009-2013
New Field Discoveries
  34 10 410 7 181 2009-2013
New Reservoir Discoveries in Old Fields
  57 134 2 20 150 2009-2013
Estimated Production
  522 518 432 387 398 2009-2013
- = 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: 12/4/2014
Next Release Date: 12/31/2015