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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
2,254 2,709 3,304 3,356 4,142 4,823 2009-2015
Adjustments
-93 75 69 33 -16 212 2009-2015
Revision Increases
273 309 401 383 948 1,210 2009-2015
Revision Decreases
149 235 339 471 554 1,235 2009-2015
Sales
116 125 78 321 232 99 2009-2015
Acquisitions
315 253 242 270 302 356 2009-2015
Extensions
196 332 500 375 605 569 2009-2015
New Field Discoveries
0 2 3 0 0 0 2009-2015
New Reservoir Discoveries in Old Fields
1 0 2 11 16 14 2009-2015
Estimated Production
158 156 205 228 283 346 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