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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
2011 2012 2013 2014 2015 2016 View
History
Proved Reserves as of Dec. 31
181 177 195 209 154 133 2009-2016
Adjustments
-18 -7 37 20 18 3 2009-2016
Revision Increases
32 13 15 28 7 17 2009-2016
Revision Decreases
17 17 45 22 70 29 2009-2016
Sales
11 13 9 2 2 0 2009-2016
Acquisitions
22 11 15 4 3 0 2009-2016
Extensions and Discoveries
          1 2016-2016
Extensions
39 31 25 7 6 -- 2009-2016
New Field Discoveries
0 0 0 0 0 -- 2009-2016
New Reservoir Discoveries in Old Fields
0 0 1 0 0 -- 2009-2016
Estimated Production
21 22 21 21 17 13 2009-2016
- = 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: 01/31/2018
Next Release Date: 11/23/2018