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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
1,790 1,822 1,800 1,758 1,736 1,668 2009-2014
Adjustments
19 21 13 10 27 37 2009-2014
Revision Increases
172 181 115 103 97 78 2009-2014
Revision Decreases
15 66 90 66 54 63 2009-2014
Sales
8 23 70 60 57 36 2009-2014
Acquisitions
24 12 102 49 51 17 2009-2014
Extensions
4 15 14 17 21 7 2009-2014
New Field Discoveries
1 0 0 0 0 0 2009-2014
New Reservoir Discoveries in Old Fields
0 0 1 13 0 0 2009-2014
Estimated Production
111 108 107 108 107 108 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