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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
25,181 28,950 33,403 36,520 39,933 35,230 2009-2015
Adjustments
188 207 137 -595 440 1,115 2009-2015
Revision Increases
3,900 5,096 4,909 4,786 6,028 4,737 2009-2015
Revision Decreases
1,957 3,682 3,997 4,241 5,612 10,345 2009-2015
Sales
803 1,024 819 1,536 2,475 1,019 2009-2015
Acquisitions
1,470 1,561 1,234 1,925 2,828 989 2009-2015
Extensions
1,766 3,107 5,191 4,973 5,021 3,186 2009-2015
New Field Discoveries
124 481 55 191 164 20 2009-2015
New Reservoir Discoveries in Old Fields
169 88 129 343 219 41 2009-2015
Estimated Production
1,991 2,065 2,386 2,729 3,200 3,427 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