Surada said that oil was a global COMMODITY, not that refineries are globally owned, you are the one that made the mix up. Might wanna do a bit closer reading so you don't make yourself look like an idiot.
BTW..................here's the definition of commodity, of which oil certainly is one, and on the global scale.
Definition of COMMODITY
an economic good: such as; a product of agriculture or mining; an article of commerce especially when delivered for shipment… See the full definitionwww.merriam-webster.com
commodity
noun
com·mod·i·ty kə-ˈmä-də-tē
pluralcommodities
1: an economic good: such as
a: a product of agriculture or mining
agricultural commodities like grain and corn
b: an article of commerce especially when delivered for shipment
reported the damaged commodities to officials
c: a mass-produced unspecialized product
commodity chemicals
commodity memory chips
2a: something useful or valued
that valuable commodity, patience
also : THING, ENTITY
b: CONVENIENCE, ADVANTAGE
… the many commodities incidental to the life of a public office …—Charles Lamb
3: a good or service whose wide availability typically leads to smaller profit margins and diminishes the importance of factors (such as brand name) other than price
4: one that is subject to ready exchange or exploitation within a market
… stars as individuals and as commodities of the film industry.—Film Quarterly
Thanks. I've run out of patience for such idiocy.