Floating Oil Storage Depletes Rapidly as Middle East War Reshapes Global Supply

The world's emergency reserve of crude oil sitting on tankers at sea is disappearing faster than it has in years. As of this week, floating storage—the oil industry's shock absorber against supply disruptions—held roughly 78 million barrels. Three months earlier, at the end of the year, it held 140 million. The difference is not a gradual fade. According to Vortexa, an energy intelligence firm, buyers are pulling oil from these floating reserves at a rate of about 1.8 million barrels per day, a pace that ranks among the most aggressive drawdowns on record.

The Middle East war has scrambled the global oil market in ways that no one quite anticipated. Refineries across Asia, particularly in India, are desperate for immediate physical supply—crude they can load onto their own vessels and process within weeks, not months. The tankers sitting offshore, away from the Strait of Hormuz and its geopolitical risks, represent the closest thing to guaranteed inventory. So buyers are bidding aggressively for those barrels, draining the buffer that normally cushions the world against sudden shocks.

India has emerged as the aggressive buyer in this competition. For weeks before the war, Indian refiners had largely stopped purchasing Russian crude, bowing to American pressure to reduce their reliance on Moscow's oil. But the Trump Administration issued a temporary waiver allowing Indian companies to buy Russian crude on tankers, and the Middle East supply crisis created the perfect moment to reverse course. Ships carrying Russian oil that were originally headed for Chinese ports have begun turning mid-voyage toward India, where refiners are now willing to pay for the barrels. China, historically the dominant buyer of Russian seaborne crude, is being outbid.

The speed at which floating storage is being consumed has alarmed policymakers in Washington. Oil prices remain stubbornly high—high enough that Treasury Secretary Scott Bessent has begun exploring options that would have seemed unthinkable months ago. On Thursday, Bessent told Fox Business that the United States could "unsanction" more than 100 million barrels of Iranian crude currently sitting on tankers around the world. The U.S. has already taken this step with roughly 130 million barrels of Russian oil on the water, effectively allowing those cargoes to be bought and sold despite the sanctions regime.

The math is straightforward: if floating storage keeps draining at 1.8 million barrels per day, the buffer will be gone within weeks. Adding Iranian crude back into the market—or at least removing the legal barriers to its sale—could inject fresh supply and cool prices. But the path is far more complicated than simply lifting a sanctions designation. Iran faces a web of other American sanctions affecting banking, insurance, and shipping. Even if the U.S. removed the oil-specific restrictions, the practical obstacles to moving Iranian barrels remain formidable. No major international bank wants to finance a transaction that could trigger secondary sanctions. No insurance company wants to cover a tanker carrying Iranian crude. The unsanctioning of Iranian oil, if it happens at all, would require buyers willing to navigate a legal and financial minefield—and it is unclear whether such buyers exist outside of China, which is already buying Iranian oil despite the sanctions.

What emerges from this sequence is a picture of a global energy market under acute stress. The floating storage that was supposed to be the system's safety valve is being drained by desperate buyers. The U.S. government is considering measures that would have been politically impossible a year ago. And even those measures may not be enough to solve the underlying problem: the Middle East war has disrupted supply, and there is no quick way to replace those barrels without either waiting for the conflict to end or taking on risks that most of the world's financial system is unwilling to bear.