U.S. crude oil and refined product inventories saw significant draws last week as the country continued to ramp up exports to offset major supply disruptions caused by the ongoing war with Iran, according to the latest weekly data from the Energy Information Administration (EIA) released on Wednesday.
Crude oil stocks fell by 2.3 million barrels to 457.2 million barrels in the week ended May 1. While the decline was meaningful, it was smaller than the 3.3 million-barrel draw analysts had expected in a Reuters poll. Stocks at the critical Cushing, Oklahoma, delivery hub dropped another 648,000 barrels.
The data is seen as a boost to a new structural reality in global oil markets: with the Strait of Hormuz largely blocked and Middle Eastern supply chains under severe pressure, the United States has stepped in as the world’s swing producer and supplier of last resort.
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“We see a continued liquidation of refined product and crude oil inventories as the U.S. supplies other regions of the world because of Middle East disruptions,” said Andy Lipow, founder of Lipow Oil Associates.
Refined product inventories also tightened considerably. Gasoline stocks declined by 2.5 million barrels to 219.8 million barrels, exceeding expectations for a 2.1 million-barrel drop. Distillate inventories (including diesel and heating oil) fell 1.3 million barrels to 102.3 million barrels — their lowest level since 2005.
Analysts had anticipated a steeper 2.4 million-barrel decline.
Distillate fuel oil exports surged to a record high of 1.9 million barrels per day, up from 1.6 million bpd the previous week. This export strength is putting sustained pressure on domestic stockpiles.
“Distillate stockpiles are down 20% since February 6, and that draw is expected to continue as we go into the planting season in the Midwest,” Lipow noted.
Diesel is critical for agricultural operations, trucking, and heavy industry, making these low levels particularly noteworthy heading into peak seasonal demand.
Phil Flynn, senior analyst at Price Futures Group, said the market is relatively unfazed by the draws because they are primarily export-driven rather than a reflection of unexpectedly strong domestic consumption.
“While the drawdown is a concern, the market is less concerned because it’s driven by exports rather than domestic demand,” he said.
Total product supplied, a proxy for U.S. demand, fell 1.647 million bpd to 19.48 million bpd, with gasoline consumption dropping 291,000 bpd to 8.81 million bpd. Refinery crude runs eased slightly by 42,000 bpd, while utilization rates ticked higher by 0.5 percentage points to 90.1%. Net crude imports rose 1.42 million bpd, while crude exports eased from the prior week’s record to 4.75 million bpd.
Oil futures extended losses following the report. Brent crude was trading at $101.96 per barrel, down nearly $8, while West Texas Intermediate fell more than $7 to $95.13 around mid-morning. The price reaction suggests traders viewed the inventory draws as largely anticipated and already priced in, especially given the export-driven nature of the tightness.
The EIA data highlights the significant strain the Iran conflict has placed on global energy supply chains. As long as the Strait of Hormuz remains disrupted, the U.S. Gulf Coast refining complex, the largest and most sophisticated in the world, is effectively acting as a global stabilizer. This role brings economic benefits through strong refining margins and export revenues, but also carries risks, including accelerated inventory depletion and potential domestic shortages if the situation escalates.
Distillate inventories reaching their lowest level since 2005 are particularly of concern. The U.S. typically builds distillate stocks ahead of summer driving and hurricane season, but this year, the opposite is occurring due to record exports. Any prolonged tightness could support diesel cracks and increase costs for American farmers and logistics companies during the critical planting and harvest periods.
For U.S. refiners, the current environment is largely positive. High utilization rates combined with strong export demand have supported healthy crack spreads. However, if domestic inventories fall too low, companies may eventually have to choose between fulfilling export commitments and maintaining adequate domestic supplies.
Looking ahead, the pace of inventory draws is growing into a huge cause for concern, shifting attention to events in the Middle East. Should the geopolitical situation improve and Middle East flows resume, U.S. exports could moderate, allowing inventories to rebuild. Conversely, analysts expect prolonged disruption to accelerate draws and keep pressure on product prices upward.