May 28, 2026 · 36 min · 10 segments
*Why is the Strait of Hormuz crisis about more than crude oil, and what does it reveal about Australia’s hidden supply-chain vulnerabilities?* *What should investment in supply chain resilience look…
Walter ColnaghiGuest
David LeaneyGuestSharryn ParkerHostCan we start with you, Walter, to consider the downstream shortage crisis from Hormuz and the idea that it's not just an oil story?

Well, you've touched it already on your introduction where we see Iran weaponizing a geographical choke point, throwing the world economy into disarray because we can't get enough of this very basic feedstock, which is crude oil.


But what we see, it's the spread between the price of crude oil and the cost of the refined products.

So we see all the products that actually have, like, economic utility that we use crude oil for, such as fuels, fertilizers, semiconductor manufacturing components that are very useful, and for obviously basic components for many healthcare applications.

So where we see this crisis hitting is not at the first level, which is the one of the crude product, but is really hitting at the second level, which is how, how do you transform the crude product into something with actual real world application? And we're discovering now that the ability to turn the crude into something with economic utility is very concentrated.

For Australia in particular, this ability to transform crude into many things that we use every day, from fuel to, you know, medical treatment, that's very concentrated in Northeast Asia, China obviously, because of its large industrial capacity, but also other countries such as Japan and South Korea.

So while there is obviously an impact to the supply of the crude material, what's even more constrained and even more costly is what we can get out of it.

The fertilizers to make food, the crude that we actually turn into fuel to move transport, and all the other applied industrial applications that are very important.

Very niche that we tend to overlook, but very important to the functioning of the modern economy.
David, y-y-you heard it from Walter then, you know, Hormuz is a, a multi-commodity choke point.

Most people would understand that crude oil is one of the primary things that we rely on that come out through the Strait of Hormuz.

Actually goes into the Strait of Hormuz as well for refining some aspects of it.

But the ones that people would not necessarily think of, natural gas is a very big export, uh, particularly from Qatar.

And, and then urea, the nitrogen-based-Basis for most of our food fertilizers, which is one that, uh, that Walter picked up on.

And then, of course, a range of things around metals, chemicals, and other gases.
Can we start with you, Walter, to consider the downstream shortage crisis from Hormuz and the idea that it's not just an oil story?

Well, you've touched it already on your introduction where we see Iran weaponizing a geographical choke point, throwing the world economy into disarray because we can't get enough of this very basic feedstock, which is crude oil.


But what we see, it's the spread between the price of crude oil and the cost of the refined products.

So we see all the products that actually have, like, economic utility that we use crude oil for, such as fuels, fertilizers, semiconductor manufacturing components that are very useful, and for obviously basic components for many healthcare applications.

So where we see this crisis hitting is not at the first level, which is the one of the crude product, but is really hitting at the second level, which is how, how do you transform the crude product into something with actual real world application? And we're discovering now that the ability to turn the crude into something with economic utility is very concentrated.

For Australia in particular, this ability to transform crude into many things that we use every day, from fuel to, you know, medical treatment, that's very concentrated in Northeast Asia, China obviously, because of its large industrial capacity, but also other countries such as Japan and South Korea.

So while there is obviously an impact to the supply of the crude material, what's even more constrained and even more costly is what we can get out of it.

The fertilizers to make food, the crude that we actually turn into fuel to move transport, and all the other applied industrial applications that are very important.

Very niche that we tend to overlook, but very important to the functioning of the modern economy.
David, y-y-you heard it from Walter then, you know, Hormuz is a, a multi-commodity choke point.

Most people would understand that crude oil is one of the primary things that we rely on that come out through the Strait of Hormuz.

Actually goes into the Strait of Hormuz as well for refining some aspects of it.

But the ones that people would not necessarily think of, natural gas is a very big export, uh, particularly from Qatar.

And, and then urea, the nitrogen-based-Basis for most of our food fertilizers, which is one that, uh, that Walter picked up on.

And then, of course, a range of things around metals, chemicals, and other gases.
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