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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
31 39 40 62 92 84 2009-2015
Adjustments
-2 -1 -2 -3 -2 -8 2009-2015
Revision Increases
5 14 7 29 10 27 2009-2015
Revision Decreases
2 4 3 9 14 36 2009-2015
Sales
0 2 0 2 0 0 2009-2015
Acquisitions
0 3 2 1 4 0 2009-2015
Extensions
0 0 0 10 39 19 2009-2015
New Field Discoveries
0 0 0 0 0 0 2009-2015
New Reservoir Discoveries in Old Fields
0 0 0 0 0 0 2009-2015
Estimated Production
2 2 3 4 7 10 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