Fresh offers of Iranian crude have been scarce since the US threatened strikes on the country last week, according to traders familiar with the matter. Weak DemandFor Iranian oil that’s already in Asian waters, demand remains weak in China, which takes the lion’s share of the country’s shipments. Tepid consumption and the ongoing blockade means the amount of Iranian oil on the water worldwide is growing. The finite pool of Iranian crude already outside the Persian Gulf and Gulf of Oman becomes increasingly important should the US blockade continue. “This round of US blockade threatens to throttle Iranian oil floaters in the months to come,” said Emma Li, lead China market analyst at Vortexa.