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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
4,357 4,710 5,171 5,282 5,276 5,022 2009-2014
Adjustments
0 -6 -1 -153 -246 147 2009-2014
Revision Increases
710 879 1,966 1,264 666 1,066 2009-2014
Revision Decreases
208 214 1,455 807 369 1,159 2009-2014
Sales
20 56 42 193 305 72 2009-2014
Acquisitions
16 108 56 288 240 77 2009-2014
Extensions
159 77 29 145 164 87 2009-2014
New Field Discoveries
96 10 410 7 181 140 2009-2014
New Reservoir Discoveries in Old Fields
73 145 2 34 152 7 2009-2014
Estimated Production
599 590 504 474 489 547 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