Treasury Secretary Scott Bessent posted the doctrine on Tuesday evening. "As POTUS has made clear, the United States Navy will continue the blockade of Iranian ports," he wrote. "In a matter of days, Kharg Island storage will be full and the fragile Iranian oil wells will be shut in. Constraining Iran's maritime trade directly targets the regime's primary revenue lifelines." [1]

For eight weeks the paper has called this a siege. Tuesday was the day the administration agreed. The words Bessent chose — "shut in," "revenue lifelines," "economic fury" in his broader remarks — are the vocabulary of economic warfare, not embargo enforcement. The ceasefire extension President Trump announced earlier in the day, which the paper covered as the expiry clock dissolved, removed the kinetic pressure. Bessent filled the vacuum.

The math is the point. Kharg Island handles roughly 90 percent of Iranian crude exports through ten main berths and storage tanks holding about 16 million barrels. [2] With exports throttled by the U.S. Navy's blockade of the Strait of Hormuz since mid-February, production that has no home must go somewhere. When the tanks fill, the wells stop. Restarting shut-in wells is not a switch — water coning damages reservoirs, and the fragile Iranian fields Bessent named are fragile precisely because the pressure dynamics punish pauses.

Kpler data puts 176 million barrels of Iranian crude afloat today, with roughly 142 million already in transit. [3] That floating volume is the only reason Tehran has remained solvent under the blockade. Bessent's theory of the case is that the inventory runs out faster than the revenue it generates, and that the wellheads break before the regime does. He did not say how long "days" means.

The ambassador at the United Nations, Amir Saeid Iravani, said Tuesday that ending the blockade remains Tehran's condition for rejoining talks — "I think the next round of the negotiations will take place" once it lifts. [1] That is the cross-purpose around which the extension was announced: Washington wants the blockade running while it waits for a unified proposal; Iran wants it lifted before it sends one. The president's post said the Navy would "continue the Blockade and, in all other respects, remain ready and able." [4]

Brent crude closed near $98 on Tuesday, the paper's Monday read. The tanker market is pricing Bessent's timeline, not Trump's extension. If Kharg tanks fill on schedule, Iranian fields begin shutting in next week, and the curve responds. Nothing in Bessent's post suggested Treasury regards that as an accident of enforcement. He called it the plan.

-- SAMUEL CRANE, Washington