The proved reserves break down of raw data is North America 5.5% (73.3 Thousand Million Barrels), South and Central America 14.9% (198.9 Thousand Million Barrels), Europe and Eurasia 10.3% (136.9 Thousand Million Barrels), Middle East 56.6% (754.2 Thousand Million Barrels), Africa 9.6% (127.7 Thousand Million Barrels), and Asia/ Pacific 3.2% (42.2 Thousand Million Barrels). This 2009 data prior to the Bakken Shale upgrading from 2 thousand million to 18-24 thousand million barrels, due to new drilling techniques.
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The proved reserves break down of raw data is North America 5.5% (73.3 Thousand Million Barrels), South and Central America 14.9% (198.9 Thousand Million Barrels), Europe and Eurasia 10.3% (136.9 Thousand Million Barrels), Middle East 56.6% (754.2 Thousand Million Barrels), Africa 9.6% (127.7 Thousand Million Barrels), and Asia/ Pacific 3.2% (42.2 Thousand Million Barrels). This 2009 data prior to the Bakken Shale upgrading from 2 thousand million to 18-24 thousand million barrels, due to new drilling techniques.

Source: Guardian