• Brent fell $1.24 (1.2%) to $104.59/bbl and WTI fell $1.14 (1.1%) to $101.29 by 00:49 GMT Thursday, Sept. 17, as Saudi Arabia's Oman reroute eased supply-disruption fears (Economy Middle East).
• A Sept. 13 attack on a vessel in the Strait of Hormuz killed one crew member and cut the strait's crude flow to roughly 7 million bpd from about 20 million before the conflict, per Euronews, which did not name an attacker.
• Drone strikes forced Saudi Arabia to shut its East-West pipeline that same week, driving Brent above $108 and WTI above $103 on Sept. 14 (Euronews).
• The Tadawul All Share Index fell 1.28% to 10,866.21 in the attacks' immediate aftermath, with Aramco, Ma'aden and ACWA Power all lower, per ts2.tech — figures that predate Thursday and do not show whether the risk premium has since eased.
• No source reviewed here identifies who carried out either attack or when the pipeline resumes full service; treat specific perpetrator or repair-date claims made elsewhere as unconfirmed.

Brent crude fell $1.24, or 1.2%, to $104.59 a barrel by 00:49 GMT on Thursday, and U.S. WTI dropped $1.14, or 1.1%, to $101.29, after Saudi Arabia began offering additional crude cargoes to Asian refiners through ship-to-ship transfers off Oman's Sohar port, according to Economy Middle East. The reroute follows a rough week for Gulf supply: a Sept. 13 attack on a vessel in the Strait of Hormuz and drone strikes on Saudi Arabia's East-West pipeline had already pushed Brent past $108 and cut the strait's crude throughput by roughly two-thirds, per Euronews.

The Oman Workaround

Saudi Arabia's move to load extra volumes onto tankers via ship-to-ship transfers off Oman's Sohar port gives Saudi Aramco an export channel that does not depend on the East-West pipeline, according to Economy Middle East's Thursday report. The line was "temporarily closed after drone attacks," Saudi Arabia said, per Euronews's Sept. 14 report, which did not attribute the strikes to any named party. Neither Economy Middle East nor Euronews gives a restart date for the pipeline, and no primary source reviewed for this piece specifies one.

The Hormuz Attack, By the Numbers

A merchant vessel was struck in the Strait of Hormuz on Sept. 13, killing one crew member, Euronews reported, citing Iranian authorities; the outlet did not identify an attacker. Euronews put crude flows through the strait at roughly 7 million barrels a day, down from about 20 million before the current conflict — a two-thirds drop that helps explain why Gulf oil and equities are trading on chokepoint headlines rather than spare-capacity data. Brent gained more than 3% to cross $108 a barrel that day, and WTI rose more than 3% to around $103, Euronews said.

Tadawul Priced the Risk First

Saudi equities moved before Thursday's oil pullback: the Tadawul All Share Index fell 1.28% to 10,866.21 in the attacks' immediate aftermath, with Saudi Aramco down 1.1% and Ma'aden and ACWA Power down roughly 2.7% to 2.8%, according to ts2.tech. Those figures predate Thursday's Brent retracement and are not evidence the risk premium has since cleared; they show Riyadh-listed energy, materials and utility names carrying direct, sourced exposure to pipeline and Hormuz headlines.

What's Still Unconfirmed

Two points get asserted elsewhere as fact but are not established in the origins reviewed for this piece: who carried out the drone strikes on the East-West pipeline or the vessel attack in the Strait of Hormuz, and when Saudi Aramco expects the pipeline back at full throughput. Economy Middle East, Euronews and CNBC's Sept. 14 report — filed under CNBC's "Iran war" coverage, with satellite imagery of the pipeline damage — describe the disruption and its market impact without naming a perpetrator or a repair date.