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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
261 428 500 613 494 573 2009-2016
Adjustments
14 53 -16 -19 19 8 2009-2016
Revision Increases
47 165 80 81 65 83 2009-2016
Revision Decreases
24 43 38 66 171 92 2009-2016
Sales
40 27 22 11 9 15 2009-2016
Acquisitions
15 43 39 59 13 135 2009-2016
Extensions and Discoveries
          7 2016-2016
Extensions
16 16 73 115 23 -- 2009-2016
New Field Discoveries
1 1 1 10 0 -- 2009-2016
New Reservoir Discoveries in Old Fields
0 1 3 4 0 -- 2009-2016
Estimated Production
40 42 48 60 59 47 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