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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
  303 304 252 354 359 2009-2013
Adjustments
  -1 -1 0 -10 6 2009-2013
Revision Increases
  61 51 80 181 64 2009-2013
Revision Decreases
  17 27 86 41 19 2009-2013
Sales
  0 2 0 6 11 2009-2013
Acquisitions
  2 6 4 5 13 2009-2013
Extensions
  1 16 0 31 21 2009-2013
New Field Discoveries
  62 0 0 0 0 2009-2013
New Reservoir Discoveries in Old Fields
  16 11 0 14 2 2009-2013
Estimated Production
  55 53 50 72 71 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