WASHINGTON/RIYADH, Aug 7 - A U.S. official on Friday reported progress between Iran and Oman that could soon reopen the Strait of Hormuz, potentially restoring oil exports that have been disrupted by the five-month-old U.S. war with Iran.

The U.S. official, who declined to be identified, said Washington soon anticipated an agreement between the two countries, which sit on either side of the strait, so that normal oil traffic could resume.

A deal between Iran and Oman over control of the strategic waterway is seen as crucial to a wider peace agreement.

"There is progress between Oman and Iran on the strait, and we expect a deal soon," a U.S. official told Reuters on Friday. "Once the deal is announced to restore commercial shipping without impediments, the United States will lift the blockade of Iranian ports."

"As always, U.S. actions will continue to be performance-based and tied to Iran’s implementation of its commitments," the official said.

Before the U.S. and Israel launched the war on Iran on February 28, about one out of every five barrels of oil consumed worldwide transited the strait, but Iran has used the hostilities to justify charging a toll on oil tankers and firing on ships that attempt to cross the strait without permission.

That disruption in oil shipments has caused energy prices to surge and fueled inflation.

In recent weeks, the Trump administration has repeatedly signaled that a deal to open the strait could be close, only to have Iran deny that talks are under way. It was unclear whether the latest flurry of negotiations would yield a more lasting arrangement.

Iranian strikes on Strait of Hormuz shipping have been coupled with increased attacks by its Yemen-based allies, the Houthis, who have targeted ships at another oil chokepoint on the other side of the Arabian Peninsula between the Red Sea and Gulf of Aden.

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