U.S. oil rises above $100, Brent at five-month high as Iran says it’s prepared for warfare

Brent and WTI moved in different directions over the week. Brent gained 1.1% to $114.49 a barrel and was heading for a 3.3% weekly rise, its third straight weekly gain. WTI climbed 1.6% to $101.04 but was still set for a 1.1% weekly decline. These prices matter because they show how markets are reacting to conflict risks around major oil routes.

Traders focused on the Strait of Hormuz and the wider Middle East. Donald Trump accused Iran of inventing attacks on ships. Iran’s Islamic Revolution Guards Corps said four vessels were struck and caught fire, while three more hit mines. Iran’s army chief also said the military was ready for “asymmetric warfare.”

Saudi Aramco reportedly told Dhahran staff to work remotely after Houthi attacks on Saudi airports and company offices. The conflicting claims create uncertainty, which can keep prices elevated even without a confirmed supply loss. Markets will continue watching shipping safety and regional attacks.

Brent crude and West Texas Intermediate, or WTI, are crude-oil types and pricing references. Brent reflects oil traded around the North Sea and is widely used for international shipments. WTI is a lighter crude associated with the United States and is priced at a major U.S. delivery point. The article reports both because they offer different views of the oil market.

They are called benchmarks because buyers, sellers, producers, and financial traders can price other crude grades against them. A shipment may be sold at a benchmark price plus or minus an adjustment for quality, location, and transport. Futures contracts also let market participants lock in prices or protect against changes.

Brent rose to $114.49, its highest since early May, while WTI reached $101.04. Their different weekly performances show that regional supply conditions, delivery locations, and market expectations can affect benchmarks differently. These figures provide a quick market signal.

The Strait of Hormuz is a narrow waterway between the Persian Gulf and the Gulf of Oman. It is a critical oil chokepoint because tankers carrying crude from Gulf producers must pass through or use limited alternatives. The article discusses attacks and mines near this route, but it does not state how much oil crosses it.

A widely used industry estimate puts Hormuz’s flow at roughly one-fifth of global petroleum liquids, though the exact amount changes with production and shipping patterns. Because so much energy moves through a confined passage, even a perceived threat can affect insurance, routing, delivery times, and oil prices. A mine or attack can make ships pause or avoid the route.

The report says Trump claimed more oil was moving through Hormuz than before the conflict. Iran’s guards reported four vessels struck and three hitting mines. Those competing claims keep attention on whether shipping remains safe and whether the passage could become harder to use.

Attacks on ships or sea mines can disrupt oil supplies by making tankers slow down, stop, or avoid a dangerous route. A closure would be more severe because cargoes could not leave normally through the Strait of Hormuz. Even if oil remains underground and production continues, delayed deliveries can create a temporary shortage where buyers need barrels.

The mechanism works through transport and expectations. Mines can damage vessels and require clearance. Attacks can raise insurance costs and make shipowners reconsider voyages. Rerouting takes longer and may require different ports or pipelines. Traders then bid up futures prices to reflect the risk of tighter supply and more expensive delivery.

The article reports Iran’s claim that four vessels were struck and three hit mines, while Trump disputed Iran’s account. Saudi Aramco also faced Houthi attacks. If threats continue, prices could remain high; if shipping stays open, the risk premium could fade.

Iran’s Islamic Revolutionary Guard Corps is an Iranian military force. In this report, it provided Iran’s account that four vessels were struck and caught fire in the Persian Gulf, while three others hit mines in Hormuz. Iran’s army chief separately said the military was prepared for “asymmetric warfare.”

The Houthi rebels are an armed movement in Yemen that the report describes as Iran-backed. They launched strikes on Saudi airports and some Aramco offices, causing multiple fatalities. Saudi Aramco is Saudi Arabia’s oil company. It reportedly told staff to leave its Dhahran headquarters and work remotely after the attacks.

These actors shape different parts of the story. Iran’s guards and military statements affect fears around tanker traffic and the Strait of Hormuz. Houthi attacks threaten Saudi facilities and airports. Aramco’s reported workplace move shows how regional violence can affect a major oil company even when the article does not report a production shutdown.

Possible substitutes include pipelines that bypass the Strait, oil shipped from ports outside the Gulf, emergency government reserves, and additional production from other suppliers. These options could cushion a disruption rather than replace every lost barrel immediately. The article does not identify specific routes, reserve volumes, or spare producers, so these are established energy-market responses rather than details reported here.

The key limit is throughput. Bypass pipelines may carry less oil than normal tanker traffic and may already be operating near capacity. Alternative ports need suitable terminals, ships, and secure routes. Emergency reserves can release stored oil, but they are temporary and must be distributed. Extra production also takes time and may not be available quickly.

The report highlights why flexibility matters. Iran’s guards reported attacks and mines near Hormuz, while Trump disputed those claims. Saudi Aramco also faced Houthi strikes. If threats worsen, alternatives could reduce pressure, but their limits could keep prices elevated.

Oil is traded in advance through futures contracts, so prices reflect expected future supply and demand, not only barrels available today. If traders think a conflict might interrupt shipments, they may pay more now for contracts or physical oil. That higher price signals a risk of tighter supply later, even while current production and inventories remain unchanged.

The mechanism is similar to precautionary buying. A tanker attack, mine report, or threat of closure could delay cargoes and raise transport costs. Buyers may compete for available barrels, while sellers demand more because replacing shipments could become difficult. Those expectations can lift prices before any measured supply decline occurs.

The report shows this uncertainty clearly. Brent rose to $114.49 and was headed for a third weekly gain. Iran reported attacks and mines, while Trump called some claims fake. If shipping remains uninterrupted, fear could ease. If threats grow, the expectation itself could keep prices high.