What's Happening?
Global crude oil refinery inputs experienced a significant decline of 4.8 million barrels per day (b/d), or 6%, in the second quarter of 2026. This sharp drop followed the onset of conflict in the Middle East in late February, according to data from Kpler.
The conflict in the Strait of Hormuz particularly impacted refining in countries like China, India, South Korea, and Japan, which saw collective declines of over 1.0 million b/d. Middle Eastern countries such as Kuwait, UAE, Saudi Arabia, and Iran also experienced reduced inputs due to limited export of refined products. Additionally, increased attacks on Russian oil infrastructure during the Russia-Ukraine conflict reduced Russian refinery inputs by 0.6 million b/d in Q2 2026 and an additional 0.8 million b/d in Q3 2026. Despite a modest global recovery of 1.8 million b/d in Q3 2026, overall inputs remained about 5% lower than the same period in 2025. In contrast, U.S. crude oil refinery inputs increased by 0.5 million b/d in both Q2 and Q3 2026, as the U.S. ramped up refined product exports to compensate for global supply shortages.
Why It's Important?
The sharp decline in global refinery inputs due to geopolitical conflicts has significant implications for the U.S. and the global energy market. The reduction in refining activity, particularly in Russia, a major fuel exporter, exacerbated tightness in global diesel markets, leading to record-high diesel prices in September. This situation highlights the vulnerability of global energy supply chains to regional conflicts and the interconnectedness of international markets. For the U.S., the increase in refinery inputs and subsequent exports positions it as a crucial supplier in a disrupted market, potentially boosting its energy sector and influencing global energy security. However, it also exposes the U.S. to the volatility of international oil prices and the broader economic impacts of energy scarcity.
What's Next?
The global energy market will likely continue to grapple with the repercussions of ongoing geopolitical conflicts. Refiners will need to adapt to new trade flows and potentially seek alternative sources of crude oil. The U.S. is expected to maintain its role as a significant exporter of refined products, which could further solidify its position in the global energy landscape. However, sustained disruptions could lead to continued price volatility and potential energy security concerns for importing nations. Monitoring the resolution or escalation of conflicts in the Middle East and between Russia and Ukraine will be critical for forecasting future refinery input levels and global fuel prices. Investment in resilient supply chains and diversified energy sources may become a priority for many countries.
Beyond the Headlines
This situation underscores the profound impact of geopolitical instability on essential global commodities. Beyond immediate price fluctuations, the disruption in refinery inputs could accelerate shifts towards energy independence or diversification strategies in affected nations. The U.S.'s ability to increase its refinery inputs and exports during this period highlights its robust domestic energy infrastructure and strategic reserves, offering a degree of insulation from global shocks. However, it also raises questions about the long-term sustainability of relying on fossil fuels and the urgency of transitioning to renewable energy sources to mitigate such vulnerabilities. The crisis could also spur innovation in refining technologies and logistics to enhance resilience against future disruptions.













