Why Iran's Deepening Isolation Is a Boon to U.S. Oil ProducersApr 22 2019, 6:56 PMApr 22 2019, 7:56 PMApril 22 2019, 6:56 PMApril 22 2019, 7:56 PM(Bloomberg) -- Some of the biggest beneficiaries of sanctions aimed at crippling Iran are oil companies on the other side of the world.