The spot oil market for physical barrels in the key demand region, Asia, started to weaken in the middle of this week, as purchases from Chinese buyers are subdued, traders tell Bloomberg . The evidence of the weakness could be found in the declining premiums of spot cargoes loading for Asia in the next two months compared to the official selling prices of the crude grades, according to traders who spoke to Bloomberg. For example, the premium of the Murban crude from Abu Dhabi over the official selling price fell by $0.10 per barrel in a day to a premium of just $0.20-$0.25 per barrel over the OSP. Spot cargoes of the ESPO blend from Russia are also selling cheaper than at the beginning of the week. It looks like Chinese buyers are not currently in a rush to buy spot crude cargoes, which could be a bearish signal […]