The possibility of escalating attacks on Saudi Arabian oil infrastructure raises one of the most serious economic threats facing the world. Saudi Arabia is not simply another oil-producing country. It is one of the central pillars of the international petroleum system, possessing enormous reserves, substantial production capacity and the ability to influence global oil prices. If attacks on its oilfields, refineries, pipelines and export terminals intensified, the consequences could extend far beyond the Middle East. Petrol prices, transport costs, food production, industrial activity and inflation throughout the world could all be affected.
The vulnerability of Saudi Arabia's oil infrastructure was dramatically demonstrated in September 2019, when drones and missiles struck the Abqaiq processing facility and the Khurais oilfield. The attacks temporarily disrupted approximately 5.7 million barrels of oil production per day, representing around 5 per cent of global supply at the time. Although Saudi production recovered relatively quickly, the incident demonstrated how a comparatively small number of precisely directed attacks could threaten a vital component of the world economy.
The danger today is that a wider regional conflict could produce repeated attacks rather than a single isolated incident. Saudi Arabia's oil industry depends upon an extensive network of production facilities, processing plants, pipelines, storage installations and ports. Damage to critical facilities could interrupt production even when the oilfields themselves remained intact. Repeated attacks could also complicate repairs, increase insurance costs and make international buyers increasingly nervous about the reliability of future supplies.
Oil prices respond not merely to actual shortages but also to expectations of future disruption. Traders, refiners and shipping companies must anticipate what might happen weeks or months ahead. Consequently, even unsuccessful attacks could produce substantial price increases if markets believed that a major interruption was becoming increasingly likely. A prolonged campaign against Saudi energy infrastructure could therefore generate economic damage far exceeding the immediate physical destruction.
The consequences would be particularly serious if attacks coincided with disruption to shipping through the Strait of Hormuz. This narrow waterway is one of the world's most important energy routes, carrying enormous quantities of oil and liquefied natural gas from the Persian Gulf to international markets. Saudi Arabia possesses alternative pipeline infrastructure capable of transporting some oil to the Red Sea, but this does not eliminate the risks associated with a major regional conflict. A simultaneous threat to production facilities and shipping routes could create a much more severe supply crisis.
For Australia, the implications would be immediate. Although Australia produces crude oil and possesses substantial natural gas resources, it depends heavily upon imported refined petroleum products, including petrol, diesel and aviation fuel. Much of this fuel comes through Asian refining and trading networks, which themselves depend upon international crude oil supplies. Australia does not need to purchase its petrol directly from Saudi Arabia to suffer the consequences of attacks on Saudi production. Oil is traded in a global market, and major disruptions affect prices throughout that market.
Diesel would be especially important. Australia's agricultural sector depends upon diesel-powered machinery for planting, harvesting and transporting crops. Mining operations, freight companies, construction businesses and regional communities are similarly exposed. A substantial increase in diesel prices would eventually work its way through the prices of food, building materials, manufactured goods and essential services. The consequences would be particularly painful for households already struggling with the cost of living.
Petrol prices would also rise, although the magnitude would depend upon the duration of the disruption, global inventories, refinery capacity and exchange rates. If international oil prices increased sharply, Australian motorists would eventually face higher prices at the bowser. A weaker Australian dollar could compound the problem because internationally traded oil is generally priced in US dollars.
The greatest danger would arise if attacks produced a sustained reduction in global oil supplies rather than a temporary interruption. Governments and companies maintain petroleum inventories, and other producers may be able to increase output, but these measures have limits. If a large quantity of Saudi production remained unavailable for months, the international market could experience severe pressure. Prices could rise dramatically, forcing consumers and businesses to reduce consumption.
Such a crisis would create an unpleasant combination of inflation and economic weakness. Higher energy prices increase production and transport costs while reducing the purchasing power of households. Businesses facing higher costs may cut investment or employment, while consumers reduce spending on other goods and services. Central banks would then confront a difficult problem: inflation might remain elevated even as economic activity weakened. This is the classic danger of an energy-driven stagflationary shock.
The experience of the 1970s demonstrates how damaging major oil disruptions can become. The oil shocks of that decade contributed to inflation, recession and prolonged economic instability across Western economies. Today's economies are generally more energy-efficient, and the international oil market has changed considerably, but petroleum remains essential to modern transport, agriculture and industry. The world has not escaped its dependence upon oil simply because renewable energy and electric vehicles have expanded.
There is also a geopolitical dimension. China, India, Japan and South Korea are major Asian energy consumers, and serious disruption to Middle Eastern supplies would threaten their economic interests. Governments might respond by competing more aggressively for available oil, increasing strategic stockpile releases or seeking alternative suppliers. The resulting pressure could intensify international tensions at precisely the moment when diplomatic cooperation was most urgently required.
For Australia, the crisis would expose a longstanding strategic weakness: dependence upon overseas petroleum refining and complex international supply chains. Even substantial domestic natural gas resources cannot simply replace imported diesel and aviation fuel. A serious interruption to international petroleum trade would therefore become a national economic and security problem, not merely an inconvenience for motorists.
None of this means that every attack on Saudi infrastructure will produce an oil crisis. The scale of damage, speed of repairs, availability of spare production capacity and international response all matter. The 2019 attacks demonstrated both the vulnerability of Saudi facilities and the capacity of the industry to recover. Nevertheless, a prolonged campaign of repeated attacks could prove far more damaging than a single incident.
The wider lesson is that modern industrial civilisation remains extraordinarily dependent upon a relatively small number of critical energy systems. A refinery, processing installation or export terminal may appear to be a local industrial facility, but its destruction can affect economic activity thousands of kilometres away. Globalisation has created immense efficiencies while simultaneously exposing countries to disruptions originating far beyond their borders.
If attacks on Saudi Arabian oil infrastructure escalate into a sustained campaign, the world could face another major energy shock. Australia would not be insulated by geographical distance or its own natural resources. Higher petrol and diesel prices would be only the beginning, potentially followed by rising food prices, industrial disruption, inflation and declining economic growth.
The danger is not simply that Saudi Arabia might lose oil production. It is that the international economy could lose confidence in the security of one of its most important energy suppliers. In an already fragile global economy, that could be enough to turn a regional military confrontation into a worldwide economic crisis.
https://www.economist.com/middle-east-and-africa/2026/10/11/saudi-arabia-is-increasingly-under-siege