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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
342 328 370 396 405 335 2009-2015
Adjustments
13 -6 16 -1 16 0 2009-2015
Revision Increases
57 70 60 56 44 43 2009-2015
Revision Decreases
73 34 46 52 64 94 2009-2015
Sales
7 34 10 7 31 9 2009-2015
Acquisitions
26 17 18 24 35 15 2009-2015
Extensions
25 17 49 49 52 15 2009-2015
New Field Discoveries
0 1 1 0 1 0 2009-2015
New Reservoir Discoveries in Old Fields
5 2 1 4 2 1 2009-2015
Estimated Production
47 47 47 47 46 41 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