Iran's oil exports to China have plummeted by 25% following the U.S.'s reinstatement of sanctions, pushing global oil prices higher. Brent crude is nearing $94 per barrel amid intensified U.S. pressure and ongoing supply disruptions.
U.S. Pressures Escalate as Iranian Oil Shipments Decline
Oil prices rose for a second straight week as U.S. sanctions on Iran tightened global crude supplies, with Brent crude futures reaching $93.61 per barrel and U.S. West Texas Intermediate (WTI) at $86.47 per barrel by 0802 GMT on Friday. The increases follow the reinstatement of a U.S. blockade on Iranian shipping and ports on July 13, which has reduced Tehran’s oil exports to key buyers like China by approximately 25%, according to trade sources and ship-tracking data. The U.S. Treasury Department, led by Secretary Scott Bessent, has threatened to impose “the toughest sanctions in history” on Iranian oil exports, warning that such measures could reduce the need for further military intervention in the region. Analysts at ANZ Research attributed the price surge to “the U.S. taking a very firm stance against Iran”, combined with ongoing supply disruptions from major producers including Saudi Arabia, Iraq, the United Arab Emirates, and Kuwait. Brent crude has gained 5.8% this week, while WTI has risen 4.8%, with both benchmarks touching their highest levels since July 24.
China’s Oil Refiners Face Shortages as Iranian Crude Offers Drop
Trade sources report that offers of Iranian crude to Chinese buyers for September and October delivery have declined sharply compared to earlier cargoes, with some Iranian Light crude now being sold at premiums of up to $2 per barrel above ICE Brent futures—a reversal from discounts of $3 per barrel just weeks prior. Ship-tracking firm Kpler data indicates that no supertankers carrying Iranian crude have visibly crossed the Strait of Hormuz since mid-July, though some vessels may be evading detection by disabling transponders. The squeeze threatens independent refiners in China’s Shandong province, known as “teapots,” which account for roughly one-fifth of the country’s refining capacity and have historically relied on discounted Iranian oil. Floating storage of Iranian crude outside the blockade zone has also fallen from 105 million barrels to about 80 million barrels since the sanctions were reimposed.
Global Supply Routes Remain Disrupted Amid Middle East Tensions
The Strait of Hormuz, a critical chokepoint for global oil and liquefied natural gas (LNG) shipments, has seen reduced traffic, with only seven commodity ships recorded passing through on Thursday—half the previous day’s total. Before the U.S.-Israeli attacks on Iran began in late February, the strait handled about 20% of global oil and LNG supplies. Disruptions have persisted as the conflict nears its six-month mark, with Ukraine targeting Russian oil infrastructure in recent days, including the TANECO refinery in Tatarstan and the Tamanneftegaz oil terminal.
U.S. Gas Prices Rise as Crude Costs Climb
In the United States, the national average price for regular gasoline reached $4.11 per gallon on Friday, marking the highest August gas prices since 2022 and continuing a trend of increasing fuel costs at the pump. The rise follows fluctuations in 2026, which saw prices range from a low of $2.79 per gallon in January to a peak of $4.562 per gallon in May. Analysts link the volatility to geopolitical tensions in the Middle East, particularly the conflict involving Iran, Israel, and the U.S., as well as disruptions in the Strait of Hormuz.
Market Reactions and Long-Term Implications
ANZ analyst Soni Kumari noted that the market is adjusting to the likelihood that oil trade and supply conditions “are unlikely to return to prewar levels anytime soon.” The combination of U.S. sanctions, reduced Iranian exports, and ongoing regional instability has created a tighter supply environment, with Brent crude and WTI both maintaining levels above $85 per barrel despite recent fluctuations. The situation underscores the interconnectedness of global energy markets and the potential for geopolitical conflicts to drive sustained price volatility.