Jose Angel Astor Rocha/Shutterstock High freight costs and the rerouting of Russian crude flows are punishing West African crude in key markets.Refinery strikes in France have seriously dented appetite for Nigerian barrels. Chinese demand has yet to show a significant preference for Angolan fare. Save for later Print Download Share LinkedIn Twitter West Africa faces a perfect storm of a large cargo overhang, tough competition from cheaper rival crudes, and weak demand in key markets Asia and Europe, all which are weighing on differentials.