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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
  257 272 261 428 500 2009-2013
Adjustments
  -7 26 14 53 -16 2009-2013
Revision Increases
  46 53 47 165 80 2009-2013
Revision Decreases
  29 31 24 43 38 2009-2013
Sales
  12 42 40 27 22 2009-2013
Acquisitions
  42 21 15 43 39 2009-2013
Extensions
  19 29 16 16 73 2009-2013
New Field Discoveries
  3 2 1 1 1 2009-2013
New Reservoir Discoveries in Old Fields
  0 1 0 1 3 2009-2013
Estimated Production
  40 44 40 42 48 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