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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
243 290 347 351 363 272 2009-2015
Adjustments
-12 -3 10 -14 25 -11 2009-2015
Revision Increases
63 70 66 93 61 56 2009-2015
Revision Decreases
54 51 80 81 109 119 2009-2015
Sales
0 30 1 59 34 1 2009-2015
Acquisitions
3 14 27 56 63 2 2009-2015
Extensions
67 75 75 47 46 15 2009-2015
New Field Discoveries
0 1 0 0 0 0 2009-2015
New Reservoir Discoveries in Old Fields
0 1 0 5 0 0 2009-2015
Estimated Production
22 30 40 43 40 33 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