Prices for oil futures have jumped by almost a quarter since April, lifted by severe supply disruptions caused by triggers such as Canadian wildfires, acts of sabotage in Nigeria, and civil war in Libya. Yet flying into Singapore, the oil trading hub for the world’s biggest consumer region, Asia, reveals another picture: that a global glut that pulled down prices by over 70 percent between 2014 and early 2016 is nowhere near over, and that financial traders betting on higher crude oil futures may be in for a surprise from the physical market. “I’ve been coming to Singapore once a year for the last 15 years, and flying in I have never seen the waters so full of idle tankers,” said a senior European oil trader a day after arriving in the city-state. […]