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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
263 893 2,031 2,360 2,887 2,504 2009-2015
Adjustments
-20 7 -19 -60 83 26 2009-2015
Revision Increases
16 95 302 288 330 186 2009-2015
Revision Decreases
10 52 253 237 262 544 2009-2015
Sales
4 33 7 90 56 76 2009-2015
Acquisitions
9 33 6 123 86 61 2009-2015
Extensions
137 593 1,194 484 591 234 2009-2015
New Field Discoveries
54 29 19 2 0 0 2009-2015
New Reservoir Discoveries in Old Fields
0 2 8 11 18 0 2009-2015
Estimated Production
15 44 112 192 263 270 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