Oil markets surged again Thursday as new attacks on tankers and port closures added to fears about supply from the Middle East.
Brent crude jumped as high as $101.59 per barrel early in the session before pulling back to around $98. West Texas Intermediate rose over 6% to $92.61. Both benchmarks had already hit close to $120 earlier this week.
Two oil tankers were struck in the northern Persian Gulf in Iraqi waters. Video shared online showed the vessels on fire. Iraqi port director Farhan al-Fartousi told The Wall Street Journal that one sailor was killed and rescue teams were working to evacuate crew. Iraq shut all its oil ports following the attack.
Oman separately evacuated all ships from its Mina Al Fahal export terminal as a precaution after the wave of attacks on regional shipping. That terminal is one of the few remaining routes for Middle East crude to reach global markets. Operations there later returned to normal.
BREAKING: US officials say Iran has laid mines in the Strait of Hormuz, per WSJ.
Just yesterday, the US said there was no indication that Iran was laying mines in the Strait of Hormuz.
The mines are being described as the "most destructive weapons" that the US Navy has faced.
— The Kobeissi Letter (@KobeissiLetter) March 12, 2026
The Strait of Hormuz, through which roughly 20% of global oil supply passes, remains effectively closed. Iran has warned that no crude will pass through the strait. The closure has forced Gulf producers including Iraq, Kuwait, and Saudi Arabia to cut output.
China announced an immediate ban on refined fuel exports in March. Chinese refiners also began canceling agreed export cargoes of gasoline and diesel. The country’s top processors had already been told to stop signing new contracts.
Goldman Sachs warned that oil prices could exceed the 2008 peak of $147.50 per barrel if Hormuz flows remain restricted through March.
ANZ analysts said markets were still underpricing the likely duration of disruptions. “Once a conflict extends beyond the initial shock phase, oil markets tend to shift from pricing uncertainty to pricing endurance,” they wrote.
The International Energy Agency is preparing a record release of 400 million barrels from strategic reserves. U.S. President Donald Trump said Wednesday the U.S. would release 172 million barrels from the Strategic Petroleum Reserve.
Despite those moves, analyst Neil Beveridge of Sanford C. Bernstein said reserve releases were “nothing compared with the 20 million barrels” per day of disruption caused by the Hormuz closure.
The conflict entered its thirteenth consecutive day Thursday with no clear end in sight. Iran said any ceasefire would require guarantees from both the U.S. and Israel not to strike Iran again. Washington has not agreed to those terms.
Trump told a crowd in Kentucky on Wednesday the war would end soon, but added the U.S. “would stay as long as it takes.”
U.S. oil inventory data released Wednesday showed a larger-than-expected build of 3.8 million barrels in the prior week.
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