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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
802 926 1,150 1,280 1,469 1,721 2009-2014
Adjustments
-18 10 22 -79 -11 -48 2009-2014
Revision Increases
169 135 111 153 203 255 2009-2014
Revision Decreases
93 106 116 222 240 298 2009-2014
Sales
31 56 105 18 81 41 2009-2014
Acquisitions
29 58 50 62 85 83 2009-2014
Extensions
64 146 338 316 316 372 2009-2014
New Field Discoveries
0 0 0 0 1 0 2009-2014
New Reservoir Discoveries in Old Fields
0 0 3 3 29 61 2009-2014
Estimated Production
63 63 79 85 113 132 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