Asian Refiners Turn to Argentina as Iran War Disrupts Oil Supply

by | Aug 31, 2026 | Stock Market

Asian Refiners Turn to Argentina as Iran War Disrupts Oil Supply

Asian crude oil importers, including China, Japan, and South Korea, have begun sourcing petroleum from Argentina to compensate for supply losses stemming from Middle Eastern conflict, according to traders familiar with the transactions.

Refiners across Asia previously depended on Middle Eastern crude for a significant portion of their contracted supplies. The shift reflects efforts to secure barrels that circumvent the Strait of Hormuz, the Red Sea, and other geopolitically sensitive transit routes. The alternative South American route eliminates the need for extended shipping timelines through the Mediterranean and around the Cape of Good Hope in Africa.

Argentinian Medanito crude, produced in the Vaca Muerta shale basin, has emerged as a preferred option for Asian refiners. Multiple cargoes of the crude comparable to U.S. West Texas Intermediate have been purchased in recent weeks, with at least one shipment loading earlier in August. The oil travels to Asia via a chokepoint-free route around South America and into the Pacific, avoiding the Panama Canal and other critical maritime passages. Medanito is priced at a discount of $1-$2 per barrel relative to WTI.

Argentinian oil exports to Asia have increased substantially this year compared to 2025, representing a sharp expansion from zero shipments prior to 2024, according to data from the Argentinian government. Beyond Argentina, South American producers Brazil and Venezuela have also gained prominence among Asian refiners seeking to diversify their supply portfolios and reduce exposure to Middle Eastern markets.

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