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Crude Oil plus Lease Condensate
(Million Barrels)
Area: Period:
 Annual 
 Show Data By:
Data Series Area
2012 2013 2014 2015 2016 2017 View
History
Proved Reserves as of Dec. 31
276 235 241 176 134 124 2009-2017
Adjustments
40 -20 12 11 -23 5 2009-2017
Revision Increases
37 8 14 20 21 8 2009-2017
Revision Decreases
28 15 17 72 21 8 2009-2017
Sales
9 0 1 2 0 5 2009-2017
Acquisitions
10 0 1 1 0 7 2009-2017
Extensions and Discoveries
        1 1 2016-2017
Extensions
8 10 19 2 -- -- 2009-2017
New Field Discoveries
1 0 2 0 -- -- 2009-2017
New Reservoir Discoveries in Old Fields
0 0 1 0 -- -- 2009-2017
Estimated Production
28 24 25 25 20 18 2009-2017
- = No Data Reported;  -- = Not Applicable;  NA = Not Available;  W = Withheld to avoid disclosure of individual company data.
Notes: Miscellaneous States includes Arizona, Florida (2017-present), Idaho, Maryland, Missouri, Nevada, New York, Oregon, South Dakota, Tennessee, and Virginia.  See Definitions, Sources, and Notes link above for more information on this table.
Release Date: 11/28/2018
Next Release Date: 11/29/2019