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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 2014 View
History
Proved Reserves as of Dec. 31
343 342 328 370 396 405 2009-2014
Adjustments
4 13 -6 16 -1 16 2009-2014
Revision Increases
76 57 70 60 56 44 2009-2014
Revision Decreases
57 73 34 46 52 64 2009-2014
Sales
7 7 34 10 7 31 2009-2014
Acquisitions
7 26 17 18 24 35 2009-2014
Extensions
24 25 17 49 49 52 2009-2014
New Field Discoveries
0 0 1 1 0 1 2009-2014
New Reservoir Discoveries in Old Fields
3 5 2 1 4 2 2009-2014
Estimated Production
48 47 47 47 47 46 2009-2014
- = 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: 11/19/2015
Next Release Date: 12/31/2016