get raw data from CIA world factbook (COUNTRY COMPARISON :: CRUDE OIL - PROVED RESERVES) https://www.cia.gov/library/publications/the-world-factbook/rankorder/2244rank...
DescriptionOil-reserves.png English: History of decleared oil reserves (billions of barrels) by major OPEC countries since 1980, based on data from http://www...
This image is a derivative work of the following images: File:Oil_Reserves_Updated.png licensed with PD-self 2010-05-26T05:51:16Z HêRø 800x364 (94386...
Graphed conventional oil reserves from OPEC website:http://www.opec.org/library/Annual%20Statistical%20Bulletin/interactive/current/FileZ/XL/T37.HTM archive...
Creative Commons Attribution-Share Alike 4.0 truetrue English Iran Oil Reserves author name string: FarsMZ Wikimedia username: FarsMZ URL: https://commons...
RockyMtnGuy 738×587× (34646 bytes) {{Information |Description=Total World Oil Reserves by Type |Source=I created this image entirely by myself. |Date=2008-05-24...
image is a derivative work of the following images: File:Oil_shale_extraction_overview.png licensed with PD-USGov-DOE 2009-10-30T23:48:46Z Splette 1352x883...
English Oil sands in Alberta, Canada French Les réserves de sables bitumineux de l'Alberta, Canada. author name string: NormanEinstein Wikimedia username:...
File:Oil Reserves Updated-fr.svg is a vector version of this file. It should be used in place of this PNG file when not inferior. File:Oil Reserves Updated...
DescriptionVenezuela Oil Reserves.png English: A plot of the reported proven oil reserves for Venezuela and Saudi Arabia. In January 2011, Venezuela claimed...