The reliance of The US on Foreign Oil is not questioned. But the US does no rely on Persian Oil.

petroleum 80%, chemical and petrochemical products, fruits and nuts, carpets
Exports - partners:
Definition Field Listing
Japan 16.9%, China 11.2%, Italy 5.9%, South Korea 5.8%, Turkey 5.7%, Netherlands 4.6%, France 4.4%, South Africa 4.1%, Taiwan 4.1% (2005)
Imports:
Definition Field Listing Rank Order
$45.48 billion f.o.b. (2006 est.)
Imports - commodities:
Definition Field Listing
industrial raw materials and intermediate goods, capital goods, foodstuffs and other consumer goods, technical services, military supplies
Imports - partners:
Definition Field Listing
Germany 13.9%, UAE 8.4%, China 8.3%, Italy 7.1%, France 6.3%, South Korea 5.4%, Russia 4.9% (2005)

https://www.cia.gov/cia/publications...k/geos/ir.html

The Albertan Oil Sands are coming on line, Most US oil is from South America.

US 16.8%, Japan 16.5%, South Korea 9.3%, China 7.1%, Singapore 5.2%, Taiwan 4.3% (2005)

https://www.cia.gov/cia/publications...k/geos/sa.html

Saudi Arabia is a trading partner but not Persia.