Saudi Arabia's tightening of crude supplies to European refiners is adding fresh disruption to an already strained global energy market. With damage to the East-West Pipeline and near-halted shipping through the Strait of Hormuz, Europe's crude supply channels are narrowing further, intensifying the pressure to secure barrels ahead of winter.

According to Bloomberg, Saudi Aramco has notified at least two European refiners that they will receive no crude deliveries next month, with the decision reportedly extended to all European buyers. The news triggered a rapid rally in oil prices, with WTI jumping $0.69 to $96.16 per barrel within five minutes. At the time of writing, WTI has swung from a decline of over 2% to a gain of 0.3%, trading at $97.51 per barrel.

For Europe, the supply interruption means refiners must turn to international markets for replacement crude, potentially pushing up feedstock costs amid already tight diesel and natural gas supplies. OECD European members imported an average of 577,000 barrels per day of Saudi crude in June. If the supply gap persists, it will raise the difficulty of replenishing inventories and locking in cargoes before winter.

Pipeline damage blocks Saudi flows to Europe

Earlier this month, Saudi Arabia's East-West Pipeline was forced to shut down following a drone attack. The line, which connects the country's eastern production region to export terminals on the Red Sea coast, has a daily capacity of 7 million barrels and bypasses the Strait of Hormuz, serving as a key alternative route for Saudi crude to Europe.

Earlier this week, markets had expected the pipeline to restore roughly half its capacity within days, but those expectations largely fell through by the weekend. Meanwhile, shipping through the Strait of Hormuz remains nearly stalled. Following the outbreak of the US-Iran conflict, Saudi Arabia had previously increased utilization of the East-West Pipeline to reduce reliance on the strait.

With no clear timeline for supply restoration, European refiners have begun actively seeking alternative sources. Poland's state-owned refiner Orlen has issued more than ten tenders this week to cover the shortfall in contracted Saudi crude.

Europe scrambles for supply, oil pricing grows harder

European buyers flooding international markets to secure replacement crude could further lift spot prices and heighten cost pressures for refiners. US diesel crack spreads are currently around $112. Mike McGlone, senior commodity strategist at Bloomberg Intelligence, previously noted that tightness in the global refining market has sparked concerns about a repeat of the 2008 gasoline shock.

More challenging still, the market cannot determine when the disruption will end. Natasha Kaneva, head of commodities research at JPMorgan, said in a client note on Thursday that since the outbreak of the Middle East conflict, the bank has "for the first time given no base-case forecast" because it is "difficult to model the final outcome."

With Brent crude briefly crossing $100, the progress of East-West Pipeline repairs, shipping conditions in the Strait of Hormuz, and the availability of replacement crude for Europe will be key variables determining the next move in oil prices. For Europe's refining industry, whether it can secure sufficient supply before the winter demand peak will also depend on when these alternative channels regain stability.