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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
2010 2011 2012 2013 2014 2015 View
History
Proved Reserves as of Dec. 31
369 384 388 413 445 326 2009-2015
Adjustments
-4 3 -7 -10 -1 8 2009-2015
Revision Increases
54 54 19 75 19 13 2009-2015
Revision Decreases
44 51 38 59 44 114 2009-2015
Sales
115 46 7 14 4 2 2009-2015
Acquisitions
115 45 8 15 3 0 2009-2015
Extensions
41 23 55 48 89 4 2009-2015
New Field Discoveries
2 10 0 0 0 0 2009-2015
New Reservoir Discoveries in Old Fields
2 1 1 0 0 0 2009-2015
Estimated Production
25 24 27 30 30 28 2009-2015
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, Idaho, Missouri, Nevada, New York, South Dakota, Tennessee, and Virginia.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 12/14/2016
Next Release Date: 11/30/2017