Fuel oil stocks in the Amsterdam-Rotterdam-Antwerp hub were up 10% to 1.159 million mt.

The spread between FOB Northwest European 1% fuel oil cargoes and 3.5% FOB Rotterdam barges, dubbed the hi-lo, climbed to all-time highs.

Indonesia's Duri crude oil this month traded at strong premiums for August and September loading.

Russian fuel oil exports in July fell 11.6% year on year to 2.532 million.

Oil settled lower Friday amid renewed concerns that spiraling US-China trade tensions could blunt global energy demand growth.

Focus Friday afternoon was turning to Powell's speech for cues on further rate cuts, as a weaker US currency tends to support global oil prices.

Five of the Suezmaxes will be chartered back to Trafigura for a three-year period at $28,400/day, with a 50% profit sharing above the base rate.

"During the period of tests, the marine fuels to be offered in the port of Rio de Janeiro most likely will contain a lower viscosity," Petrobras said.

Traders said more low sulfur fuel oil cargoes are coming into Singapore, contributing to the total residue stocks.

Japanese refiner Cosmo Oil will slash its output of high sulfur fuel oil and boost middle distillate production once it completes the coker capacity expansion at its Sakai refinery during the second week of October.

Japanese refiner Cosmo Oil will slash its output of high sulfur fuel oil and boost middle distillate production once it completes the coker capacity expansion at its Sakai refinery during the second week of October.

High sulfur bunker fuel availability in Hong Kong is expected to tighten further as suppliers reduce import in anticipation of a drop in demand ahead of IMO 2020, and maintain low inventories because of a steeply backwardated market structure.

Weakening export demand for US-made products is skewing the impact of the change to cleaner ship fuel.

Oil futures settled lower Thursday as demand concerns took center stage amid weaker US economic data.

The dive in fuel oil margins may be due to the onset of lower sulfur marine fuel requirements set to take effect from January 2020.

CEO Erik Hanell met Iranian foreign minister Mohammad Javad Zarif in Stockholm on Tuesday.

"The Iranians will be hoping to cloak a ship-to-ship transfer, but it is not going to easy with so many eyes on it,' a source said.

Shell plans to fuel the tankers at existing facilities in Singapore, Rotterdam and other bunkering ports.