Geostrategic Daily

Splash247 · 27 August 2026

Iran blacklist threatens Hormuz shuttle tanker lifeline

Iran blacklisted 12 VLCCs involved in shuttle tanker trade through the Strait of Hormuz, which carried about 900,000 barrels per day, or 16% of Middle East Gulf crude lifted since early July. The vessels accounted for 24% of crude transferred ship-to-ship outside Hormuz. Iran threatened blacklisted vessels with fines, detention, and cargo confiscation, and warned that ships conducting STS operations with them could be added to the list. At least three Indian refiners and a global energy major planned to stop using blacklisted vessels due to security concerns.

Why it matters: This threatens the resilience of the shuttle tanker system, a key workaround for Gulf exporters during the crisis, and could tighten Hormuz flows further, impacting global energy supply chains.

chokepoint maritime · supply chain risk · great power rivalry

Record

Source
Splash247 (tier 1)
Published
27 August 2026
Link
https://splash247.com/iran-blacklist-threatens-hormuz-shuttle-tanker-lifeline/
Content depth
full
Regions
asia-pacific, europe-eurasia-mena
Subregions
gulf, indian-ocean, south-asia
Actors
Iran, US, Braemar, Reuters
Edition
2026-08-27

Grounding

Verbatim spans from the source text that support the summary above.

Iran blacklisted some of the vessels at the heart of the operation this week
12 VLCCs named by Tehran had carried around 900,000 barrels per day, equivalent to 16% of all crude lifted from inside the Middle East Gulf
at least three Indian refiners and a global energy major planned to stop using blacklisted vessels because of security concerns