Oil pumped in the Gulf of Guinea comes ashore, via the international spot market, in the form of billion-dollar transfers that have made Lagos a regional financial centre.
The second category of losers would be the economies of East Asia, which the International Energy Agency says will be the main consumers of Persian Gulfoil in the years ahead.
Meanwhile, astronauts and cosmonauts aboard the International Space Station have said they could see the oil spill while passing over the Gulf of Mexico.