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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
21,459 25,098 30,051 33,622 37,076 33,126 2009-2015
Adjustments
188 206 138 -596 439 1,050 2009-2015
Revision Increases
3,503 4,734 4,825 4,699 5,789 4,618 2009-2015
Revision Decreases
1,881 3,553 3,546 3,849 5,416 9,535 2009-2015
Sales
803 1,007 819 1,536 2,350 1,007 2009-2015
Acquisitions
1,470 1,482 1,234 1,923 2,641 984 2009-2015
Extensions
1,736 3,067 5,132 4,939 4,986 3,132 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
1,796 1,859 2,195 2,543 3,018 3,253 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