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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
155 181 177 195 209 154 2009-2015
Adjustments
13 -18 -7 37 20 18 2009-2015
Revision Increases
11 32 13 15 28 7 2009-2015
Revision Decreases
21 17 17 45 22 70 2009-2015
Sales
4 11 13 9 2 2 2009-2015
Acquisitions
10 22 11 15 4 3 2009-2015
Extensions
14 39 31 25 7 6 2009-2015
New Field Discoveries
0 0 0 0 0 0 2009-2015
New Reservoir Discoveries in Old Fields
0 0 0 1 0 0 2009-2015
Estimated Production
17 21 22 21 21 17 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