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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
2,835 2,939 3,009 2,976 2,878 2,874 2009-2014
Adjustments
-17 14 32 8 -52 31 2009-2014
Revision Increases
427 276 394 507 239 381 2009-2014
Revision Decreases
119 167 230 391 116 247 2009-2014
Sales
3 1 7 1 322 537 2009-2014
Acquisitions
20 156 40 8 320 543 2009-2014
Extensions
30 24 37 32 17 12 2009-2014
New Field Discoveries
0 0 0 2 0 0 2009-2014
New Reservoir Discoveries in Old Fields
0 0 0 0 15 16 2009-2014
Estimated Production
208 198 196 198 199 203 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