
Oil in the supply chain close to seasonal highs as global exports surged
The significant increase in global oil exports in September marks a new chapter: can demand keep pace with growing supplies?

Crude tanker demand drops as Chinese imports decline, but market support may return in late 2023 as underlying factors shift.
As we move into the second half of 2023, overall crude tanker demand is slowing and trending slightly lower after a strong H1, particularly in the start of the second quarter of the year. Most of the current slump can be attributed to the VLCC segment, which is seeing tonne-mile declines towards East and Southeast Asia, mostly out of the Middle East, West Africa and the US. This is partly due to the materialising OPEC production cuts, however, the declines towards China from non-OPEC countries indicate that Chinese demand is also behind this lower crude tanker demand.
Crude tanker utilisation towards East & Southeast Asia vs the rest of the world (no. of vessels)
The Aframax and Suezmax tanker classes have also seen declines but have been slightly supported in the West of Suez by increased US crude exports towards Europe. These tanker classes have seen the majority of their tonne-mile declines stemming out of Russia (as they prioritise higher-value diesel exports at the expense of crude exports), mostly towards China but also to other Asian countries. In the last 3 months, Suezmaxes have stood out as showing significantly more flexibility for switching between different crude trades. Specifically, data from our Loading link... shows operators using trade routes such as Middle East-to-Med in between Russian crude voyages to optimise operations. Additionally, Suezmax tankers have shown signs of moving away from the Chinese crude trade by signalling West Africa after discharging in China, suggesting a switch for those tankers to European crude trade as well. In contrast, Aframax and VLCC tankers operating in the Chinese crude trade have shown little to no signs of altering ballast destinations after discharging in China.
Crude tanker freight rate indices per vessel class
In conclusion, the slow down in crude tanker demand is likely a result of current crude demand not quite being able to match the surge in crude supply to the market earlier in the year. This is causing a slowdown in seaborne trade, and the current freight rate picture for crude tankers suggests that this will likely propagate in the summer months. However, the flexibility shown by Suezmax tankers may keep tanker supply tight in the segment as they compete in alternative markets. Finally, a seasonal pick up in flows is expected to materialise in Q4 as the market digests crude supply, which - along with limited scheduled deliveries - will likely provide some upside for crude tanker rates as we close out the year.
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The significant increase in global oil exports in September marks a new chapter: can demand keep pace with growing supplies?
Iran’s shadow fleet has matured, sustaining 1.3–1.6 mbd exports despite UN snapback sanctions, with faster, more efficient STS operations to China.
As Russia diesel exports remain constrained, and the January EU ban on Russia-derived products adds uncertainty, alternative supplies will have to kick in.
Vortexa Analysts