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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
518 582 700 670 606 412 2009-2015
Adjustments
13 -16 36 -17 -10 21 2009-2015
Revision Increases
71 64 75 54 234 17 2009-2015
Revision Decreases
21 23 45 91 297 233 2009-2015
Sales
24 9 2 28 13 11 2009-2015
Acquisitions
3 10 26 42 18 0 2009-2015
Extensions
13 65 59 46 47 48 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
25 27 31 36 43 36 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