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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
1,887 2,658 3,773 5,683 6,045 5,207 2009-2015
Adjustments
-8 9 33 -44 -68 218 2009-2015
Revision Increases
709 679 744 994 683 386 2009-2015
Revision Decreases
486 560 370 655 869 1,381 2009-2015
Sales
63 124 236 44 567 306 2009-2015
Acquisitions
226 224 218 353 310 62 2009-2015
Extensions
533 665 941 1,603 1,234 606 2009-2015
New Field Discoveries
29 14 9 4 3 0 2009-2015
New Reservoir Discoveries in Old Fields
3 16 27 13 30 6 2009-2015
Estimated Production
114 152 251 314 394 429 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