A ban on Russian crude oil by the European Union and the US went into effect late last year, forcing Russia to find more buyers in the eastern part of the world. Besides China's and India's surging appetite for Russian crude imports, a flood of cheap oil is pouring into Singapore. It's being blended and then re-exported globally as traders reap huge profits. Recall that Russian energy products were sold to China and repackaged for European markets last summer. Before Russia invaded Ukraine, Europe was Moscow's largest crude and refined petroleum…