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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 2011 2012 2013 View
History
Proved Reserves as of Dec. 31
  748 891 921 1,029 1,215 2009-2013
Adjustments
  4 0 -25 -28 -9 2009-2013
Revision Increases
  95 85 97 193 182 2009-2013
Revision Decreases
  74 65 88 148 179 2009-2013
Sales
  15 22 57 45 10 2009-2013
Acquisitions
  19 131 59 26 48 2009-2013
Extensions
  76 76 113 192 217 2009-2013
New Field Discoveries
  0 0 1 0 0 2009-2013
New Reservoir Discoveries in Old Fields
  0 1 0 1 35 2009-2013
Estimated Production
  58 63 70 83 98 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