In a way, the impasse between the United States and Iran over the still-closed Strait of Hormuz boils down to storage. The Trump administration believes that the two-week-old, semi-porous US blockade of Iranian shipping will soon bring Tehran to its knees by forcing it to shut down oil wells as it runs out of storage space for crude it can no longer ship. That looming production shutdown, the administration believes, threatens Iran with permanent, severe damage to a major part of its economy, and explains why Washington appears content to wait for an Iranian surrender that has yet to materialise in the eight-week war.
Iran is aware of the challenge and is scrambling to find places to stash its crude as its oil exports have fallen by three-quarters since the US blockade began. But Tehran has been through this several times before, with severe US sanctions pressure from the Obama and Trump administrations leading to production shutdowns—and neither administration caused lasting damage to the country’s oil fields. And Iran is still loading and exporting oil despite the US blockade.
Meanwhile, US Gulf allies are already in month two of their own production shutdowns, which are much larger collectively than anything Iran might face. That, coupled with the rising price of oil and the steady trickle of renegade tankers that continue to bring Iranian oil to market, is a significant part of why Tehran is not blinking yet. Oil in the United States rose to over $100 a barrel on Tuesday, and the global benchmark topped $111 a barrel.
Forcing Iran to curtail oil production—with potentially severe and lasting consequences—is the whole rationale behind the administration’s blockade, which was put into place on 13 April.
US President Donald Trump said over the weekend that Iran’s imminent shutdown of oil production will make its oil lines explode, and “when it explodes ... you can never rebuild it the way it was.” US Treasury Secretary Scott Bessent predicts that a production shutdown will trigger domestic gasoline shortages in Iran, and presumably greater internal pressure on the country’s regime. Advocates for this tactic argue that prolonged shutdowns of Iranian oil fields will cripple a significant portion of their capacity and increase financial pressure on the (already unpopular) regime.
And two weeks into the US blockade, Iran is running low on oil storage. It has taken an old oil tanker out of mothballs that could serve as temporary floating storage and is seeking additional onshore storage tanks to complement the main facilities on Kharg Island.

It has taken advantage of a handful of returning, empty tankers that slipped through the US blockade to store some there. But this is a challenge Iran has been facing—and meeting—for decades.
“Are they close to having to shut in production? No, tankers are still coming and going from Kharg Island, and they still have some onshore storage,” said Gregory Brew, a senior analyst for Iran and energy at the Eurasia Group. Iran has resorted to using old tankers in the past as well. “That would suggest to me that they are preparing for the blockade to bite, but I don’t think it is biting yet. Traffic is still moving for Iran.”

