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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
  18,749 21,459 25,098 30,051 33,622 2009-2013
Adjustments
  46 188 206 138 -596 2009-2013
Revision Increases
  2,876 3,503 4,734 4,825 4,699 2009-2013
Revision Decreases
  1,110 1,881 3,553 3,546 3,849 2009-2013
Sales
  242 803 1,007 819 1,536 2009-2013
Acquisitions
  344 1,470 1,482 1,234 1,923 2009-2013
Extensions
  1,280 1,736 3,067 5,132 4,939 2009-2013
New Field Discoveries
  132 124 481 55 191 2009-2013
New Reservoir Discoveries in Old Fields
  95 169 88 129 343 2009-2013
Estimated Production
  1,719 1,796 1,859 2,195 2,543 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