LONDON, Sept 21 (Reuters) - Oil prices slid to their lowest in 11 days on Monday as investors hoped for diplomatic progress on the Iran war due to this week's UN meeting, and eyed a partial recovery in shipments from Saudi Arabia.
Brent crude futures LCOc1 and US West Texas Intermediate crude CLc1 touched their lowest since September 10 earlier on Monday. The Brent contract for November was at $101.75 a barrel at 0859 GMT, down $2.12, or 2%.
The WTI CLc1 October contract that is expiring on Tuesday fell $1.96, or 2%, to $98.34 a barrel. The November contract CLc2 stood at $94.16.
Saudi exports through Hormuz rise
The attacks by the Houthis on Saudi Aramco's East-West pipeline have prompted the state energy firm to increase exports through the Strait of Hormuz this month and next after halting some shipments via Yanbu.
"Middle East oil flows remain surprisingly strong despite the disruption to Saudi Arabia's East-West pipeline," JPMorgan analysts said in a September 18 note.
"The most notable pivot has come from Saudi Arabia," the analysts said, as satellite data indicated Saudi oil moving through the Strait of Hormuz averaged 2.9 million bpd over the past six days, up from just 700,000 bpd in August.
Middle East tensions remain elevated
However, tensions in the Middle East remained elevated as Yemen's Iran-backed Houthis said they had attacked "sensitive" sites in the Saudi capital Riyadh on Saturday with missiles and drones, as well as an Aramco facility in the Red Sea city of Yanbu, a key oil export hub.
On Monday, a spokesman for the Revolutionary Guards said Iran would use new weapons and target locations not previously attacked if the US launched a new offensive against it, according to the Fars news agency.
China has asked Iran to help rein in the Houthis after an appeal to Beijing by Saudi Arabia following the attacks, according to three Iranian sources familiar with the matter.
Diplomacy hopes ease some risk premium
Iran and the US exchanged new threats on Sunday, although President Donald Trump said he would be open to meeting Iranian President Masoud Pezeshkian, who is expected to be in New York this week for the United Nations General Assembly.
"It seems that a degree of risk premium is being removed from oil prices on hopes that a diplomatic path to de-escalate the US-Iran war may arrive this week," said Tim Waterer, chief market analyst at KCM Trade.
Iran has conveyed its conditions to mediators for re-engaging in negotiations, Al Jazeera cited Iran's security chief, Mohsen Rezaei, as saying in an interview on Saturday.
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