Crude oil customers from India, Indonesia and the United States are turning away from Nigerian oil over uncertainty about deliveries as attacks by militants have reduced Nigeria’s oil output. Their reluctance is limiting the prices Nigeria can get for its oil even as there is...

Nigeria, which recently lost its Africa’s top oil producer status to Angola on the back of huge decline in its output, stands a chance of losing some of its traditional buyers to rival producers such as Iran and Saudi Arabia, industry experts have said. Following...