Saudi Arabia has shut down its East-West crude oil pipeline after drones launched from inside Iraq struck the line multiple times, CNBC reported, citing a source familiar with the matter.

The attacks targeted the pipeline — commonly known as the Petroline — that carries crude from fields in the kingdom's Eastern Province to the Red Sea export terminal at Yanbu on the west coast. The conduit gives Saudi Aramco a route to bypass the Strait of Hormuz and the Persian Gulf entirely, moving roughly 5 million bpd of capacity westward when running at full rates. CNBC did not specify how many strikes hit the line, which pumping stations were damaged, or how much throughput the shutdown has removed from the market.

The strikes originating from Iraqi territory mark an escalation in the pattern of drone attacks on Saudi energy infrastructure. Iraq's government has repeatedly said it does not sanction such launches from its territory, and armed groups operating there have been blamed for previous incidents.

Why the line matters

The East-West pipeline has long served as the kingdom's strategic hedge against a Hormuz closure. Aramco expanded its effective bypass capacity after the September 2019 attacks on the Abqaiq processing complex and the Khurais field, which knocked out roughly 5.7 million bpd of crude processing capacity — about half of Saudi output at the time — and briefly removed more supply from the market than any single disruption in the industry's modern history. Since then, Aramco has directed more crude through Petroline and the Yanbu terminal to keep export options open on the Red Sea side.

A prolonged shutdown of the line would not by itself halt Saudi production, since most exports can still load from Gulf Coast terminals through Hormuz. But it would narrow Aramco's flexibility and could force buyers of westbound cargoes to reroute, adding transit time and freight cost to Red Sea-bound shipments.

Market context

Traders will be watching how much physical crude the outage actually removes. Saudi Arabia holds significant stored crude at home and abroad, and Aramco has historically used inventories to bridge short disruptions and keep nomination schedules intact. The kingdom also retains spare capacity within OPEC+ that could be routed through alternate export points if the damage proves limited to one or two pumping stations.

Analysts contacted by CNBC noted the risk premium on Brent could widen if the attacks continue, though price commentary on Tuesday remained cautious pending confirmation of the extent of the damage. Any sustained threat to Red Sea loadings would compound existing security concerns in the Bab el-Mandeb strait, where Houthi attacks on shipping have already rerouted tanker traffic.

What comes next

No timeline for a restart has been announced. Aramco has not issued a public statement on the shutdown, and CNBC's account rests on a single source familiar with the operations.

The watch items now are threefold: whether Aramco confirms the outage and its scope, whether Iraqi authorities move against the launch sites used by the drone operators, and whether the September 2019 precedent repeats — when the kingdom restored most lost capacity within weeks but export allocations shifted for months afterward. Until pumping resumes, the market will price the East-West line as a contested asset rather than a reliable bypass.