The world’s oil reserves are being depleted at a record-breaking pace as the conflict in Iran disrupts flows from the Persian Gulf, eroding the buffer that safeguards against supply shocks. This rapid drawdown, driven by the near-closure of the Strait of Hormuz, has left governments and industries with dwindling options to mitigate the impact of losing over a billion barrels of supply. The situation raises the specter of prolonged market vulnerability, even after the conflict subsides.
Sharp Decline in Stockpiles
Morgan Stanley estimates that global oil stockpiles fell by approximately 4.8 million barrels per day between March 1 and April 25, far exceeding previous quarterly declines. Crude oil accounts for nearly 60% of this depletion, with refined fuels making up the remainder. Natasha Kaneva, JPMorgan Chase & Co.’s head of global commodities research, warned that inventories are nearing 'operational minimum' levels—the point at which pipelines, storage tanks, and export terminals can no longer function properly.
Inventories are acting as the shock absorber of the global oil system, but not every barrel can be drawn.
Regional Impacts and US Role
Fuel-import-dependent countries in Asia, including Indonesia, Vietnam, Pakistan, and the Philippines, face imminent supply shortages, potentially within a month. Meanwhile, European jet-fuel stocks are depleting rapidly ahead of the summer travel season, with analysts predicting critical shortages as early as June. The United States, now the global supplier of last resort, has seen its domestic crude and fuel inventories drop below historical averages. US distillate stockpiles are at their lowest since 2005, while gasoline reserves hover near seasonal lows not seen since 2014.
Long-Term Risks
Even if the Strait of Hormuz reopens, Gulf oil output and shipping are unlikely to return to normal levels soon. This prolonged disruption threatens to exacerbate inflation and increase the likelihood of a global recession. With US oil producers struggling to replenish reserves in the short term, the world’s energy markets remain precariously balanced on the edge of crisis.