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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
4,043 4,567 4,602 4,591 4,352 3,947 2009-2015
Adjustments
-3 -2 -93 -265 139 -47 2009-2015
Revision Increases
790 1,861 1,077 567 648 627 2009-2015
Revision Decreases
183 1,354 760 322 812 604 2009-2015
Sales
54 42 187 283 67 55 2009-2015
Acquisitions
102 52 245 216 73 56 2009-2015
Extensions
61 29 113 143 82 62 2009-2015
New Field Discoveries
10 410 7 181 140 20 2009-2015
New Reservoir Discoveries in Old Fields
134 2 20 150 7 18 2009-2015
Estimated Production
518 432 387 398 449 482 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