Iran's September Crude Oil Loadings Drop to Zero as U.S. Sanctions Bite
nashnova research
Iran's crude-oil loadings fell to zero in September — the first time since war broke out in February — signaling that the U.S. naval blockade is now materially cutting off Iran's energy exports and threatening its last major revenue lifeline: oil sales to China.
What does zero loadings actually mean?
Bloomberg's satellite-based tanker tracking shows Iran's crude loadings plunged from roughly 250,000 barrels per day in August to zero in September.
Two independent commodity-data firms — Kpler and Vortexa — recorded the same result: zero loadings in September.
This means → three separate data sources all point to the same fact: not a single barrel of crude was loaded at an Iranian port in September.
How did the U.S. blockade achieve this?
After the U.S.–Iran war broke out in February, the U.S. Navy imposed a blockade on Iran's Persian Gulf ports.
Iran had still been probing gaps in the blockade; in August it maintained loadings of about 250,000 barrels per day.
This means → the September drop to zero shows Iran's willingness or ability to test the blockade is fading — the blockade has shifted from "applying pressure" to "actually working."
How long can the floating storage last?
Bloomberg reports that Iran continued supplying some Chinese refineries in September via floating storage east of Singapore — essentially giant tankers parked at sea holding pre-loaded crude.
In plain terms = the ports can't ship, so Iran is selling down inventory already sitting on the water.
With no new supply flowing in, that floating stock is expected to run out soon — a lifeline on a countdown.
How reliable is this data?
Iranian tankers typically begin transmitting location signals only near the Strait of Malacca or the Suez Canal.
The lag between leaving Iranian waters and being tracked is roughly two weeks.
This means → September figures are still preliminary estimates; final numbers may shift slightly — but a reversal from zero to significant loadings is unlikely.
With talks stalled, what should the market watch?
U.S.–Iran ceasefire negotiations are deadlocked; a key sticking point is Iran's sovereignty claim over the Strait of Hormuz — the chokepoint through which roughly a fifth of the world's crude flows.
Iranian officials are pessimistic about reaching a deal before the November U.S. midterm elections; the war is now in its eighth month.
This reflects a tightening bind: the more visible the blockade's impact, the weaker Iran's bargaining hand — whether Iran can sustain crude sales to China under an ongoing blockade is the near-term variable the market is pricing.
市场有风险，内容仅供研究参考，不构成投资建议。