As oil benchmarks go, West Texas Intermediate has had a rough time of it lately. Earlier this year some traders said storage at its delivery point in Cushing, Oklahoma, was being pushed to its limits by the market contango, and the IEA feared it was distorting the perceived price of oil. Meanwhile the deadline for 10-yearly safety inspections has reportedly seen a ‘massive destocking of fuel in tanks’ since May, again squeezing storage.
But Brent crude might have its own issues. Unlike WTI, Brent is not physically settled, but it forms the basis of 65 per cent of the world’s daily physical oil trades. According to Platts’ The Barrel, the Brent/Ninian grade blend, one of four used in the Dated Brent assessment, is dwindling away:



