The Rockefeller family recovered. Standard Oil returned to status as a major global player. There were several 400kg Gorillas in the room & they were one of them.
Saudi Arabia was producing insignificant amounts of oil in the 1940s. The east Arabian ocean of oil had not yet been discovered. Iran was not much dependent on oil until much later. The early agreements pretty much put all the profits into the foreign oil companies. The Shah or Iraqi royalty got some chump change & the benefits of oilfield labor income were localized.
Germany does have the opportunity under this PoD to enhance its share of the Mosul or Abadan oil fields pre 1914. There was some German investment. IIRC in partnership with British and Dutch petroleum companies. They tended to act together to take advantage of the locals.
Anyway, my point is economic investment of any sort did not guarantee political alliance. Otherwise the global divide would have been between the London and New York mega banks of the era. Japan was heavily indebted to US banks, purchased the bulk of its oil, machine tools, chemicals, alloys, & other stuff from US businesses. The US was a critical export market for Japan. That did not prevent Japans leaders from aligning with the Axis and attacking the US.