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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
  2,095 2,037 1,950 1,893 1,813 2009-2013
Adjustments
  -30 1 16 14 -39 2009-2013
Revision Increases
  192 204 229 382 172 2009-2013
Revision Decreases
  68 125 217 318 79 2009-2013
Sales
  3 0 0 0 208 2009-2013
Acquisitions
  18 1 16 5 206 2009-2013
Extensions
  22 13 18 6 15 2009-2013
New Field Discoveries
  0 0 0 2 0 2009-2013
New Reservoir Discoveries in Old Fields
  0 0 0 0 0 2009-2013
Estimated Production
  161 152 149 148 147 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