The global base oil market entered the second half of 2026 with a complex landscape shaped by oversupply, regional production disruptions, and ongoing geopolitical developments. While abundant production capacity in the United States continues to intensify price competition, production outages at Formosa Petrochemical in Asia and persistent geopolitical uncertainties in the Middle East are affecting global supply chains. At the same time, sustainability-driven technologies and investments in re-refined base oils are emerging as key factors shaping the industry’s future.
As the global base oil market moves into the second half of 2026, attention remains focused on supply and demand dynamics that are moving in different directions. On one hand, new production capacities and weak demand—particularly in the Group II segment—are intensifying competition. On the other hand, regional production disruptions and geopolitical risks continue to create uncertainty across the supply chain. Market participants are now closely monitoring not only price movements, but also production continuity, logistics, and feedstock availability.
One of the most significant developments in July was the technical outage at Formosa Petrochemical’s Mailiao refinery in Taiwan. Due to issues in its vacuum distillation unit, the company temporarily suspended production at its facility, which has an annual Group II base oil production capacity of approximately 600,000 metric tons. Spot sales from one of Asia’s key Group II production hubs were halted, while some bulk shipments were postponed. Nevertheless, the market reaction remained relatively limited. Industry analysts point out that weak regional demand and healthy inventory levels have largely offset the potential upward pressure on prices.
In North America, oversupply remains the dominant market theme. Significant investments in recent years have created strong production capacity, particularly in the Group II segment. As domestic demand slows, U.S. producers continue to increase exports, leading to stronger competition in Latin America, Europe, and Asia. According to Argus data, the average export price of U.S. Group II N100 base oil declined to USD 2.54 per gallon in 2025, representing a decrease compared to the previous year. This trend highlights the continuing impact of global oversupply on pricing entering 2026.
Another major development in Asia is China’s rapidly expanding production capacity. With several new Group II and Group III plants commissioned in recent years, China has significantly reduced its dependence on imported base oils while reshaping regional trade flows. Over the past five years, approximately 3 million metric tons per year of new Group II and Group III capacity have come online in China. As a result, South Korea’s base oil exports to China declined by approximately 50% between 2020 and 2024. This structural shift is forcing traditional exporting countries, particularly South Korea, to redefine their sales strategies while further intensifying competition across the Asian market.
In the Middle East, geopolitical developments continue to be closely monitored. Ongoing tensions around the Strait of Hormuz and uncertainties surrounding global energy supply chains remain potential risks for crude oil transportation and maritime logistics. Although no major disruptions in base oil production have been reported so far, fluctuations in freight costs and shipping schedules continue to be key concerns for market participants.
Meanwhile, capacity expansion remains one of the most important factors shaping the industry’s future. According to industry forecasts, global base oil production capacity is expected to increase by at least 5 million metric tons per year by 2029. A significant share of these investments will focus on Group II, Group III, Group III+, re-refined base oils (RRBO), and polyalphaolefins (PAOs). In addition, ICIS estimates that new projects scheduled to come on stream in the United States and Saudi Arabia during 2026 will add more than 600,000 metric tons per year of new Group III capacity, potentially intensifying competition in the premium base oil segment.
Sustainability also continues to gain strategic importance across the industry. Re-refined base oils, advanced additive technologies, and low-carbon fluid solutions are increasingly valued not only for their environmental benefits but also for their commercial and technical performance. Major producers are directing more R&D investment toward these areas, a trend expected to accelerate the adoption of high-performance, sustainable lubricant solutions in the years ahead.
Overall, while the global base oil market is expected to remain adequately supplied in the near term, regional production disruptions, geopolitical developments, and evolving trade flows will continue to shape market dynamics. As a result, in the second half of 2026, the key competitive differentiators for both base oil producers and lubricant manufacturers will extend beyond pricing to include supply reliability, logistics flexibility, and the ability to develop value-added products.
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