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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
2012 2013 2014 2015 2016 2017 View
History
Proved Reserves as of Dec. 31
33,403 36,520 39,933 35,230 35,213 41,990 2009-2017
Adjustments
137 -595 440 1,115 206 752 2009-2017
Revision Increases
4,909 4,786 6,028 4,737 5,651 5,991 2009-2017
Revision Decreases
3,997 4,241 5,612 10,345 6,119 3,279 2009-2017
Sales
819 1,536 2,475 1,019 1,254 1,350 2009-2017
Acquisitions
1,234 1,925 2,828 989 1,518 2,385 2009-2017
Extensions and Discoveries
        3,204 5,679 2016-2017
Extensions
5,191 4,973 5,021 3,186 -- -- 2009-2017
New Field Discoveries
55 191 164 20 -- -- 2009-2017
New Reservoir Discoveries in Old Fields
129 343 219 41 -- -- 2009-2017
Estimated Production
2,386 2,729 3,200 3,427 3,223 3,401 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