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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
  96 263 893 2,031 2,360 2009-2013
Adjustments
  -3 -20 7 -19 -60 2009-2013
Revision Increases
  19 16 95 302 288 2009-2013
Revision Decreases
  19 10 52 253 237 2009-2013
Sales
  0 4 33 7 90 2009-2013
Acquisitions
  0 9 33 6 123 2009-2013
Extensions
  8 137 593 1,194 484 2009-2013
New Field Discoveries
  4 54 29 19 2 2009-2013
New Reservoir Discoveries in Old Fields
  0 0 2 8 11 2009-2013
Estimated Production
  10 15 44 112 192 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