• U.S. Strategic Petroleum Reserve crude stocks fell by 6.2 million barrels to 319.5 million barrels last week, the lowest since 1983.
  • The drawdown reflects continued government releases aimed at moderating fuel prices amid strong demand and geopolitical tensions.
  • Tightening SPR inventories could lend support to crude prices in the near term.

Stocks Plunge to 41-Year Low

Crude oil inventories in the U.S. Strategic Petroleum Reserve (SPR) slumped further last week, declining by about 6.2 million barrels to 319.5 million barrels, the lowest level since 1983, according to data released Wednesday by the Department of Energy. The ongoing release of strategic supplies — part of the Biden administration’s efforts to stabilize fuel prices and address supply concerns stemming from geopolitical tensions in the Middle East and robust domestic demand — has drawn down the stockpile more than 40% from its peak in 2010.

The latest draw brings total U.S. crude inventories, including commercial stocks, to multi-year lows, tightening the overall domestic crude balance. High refinery runs and strong export demand have accelerated the depletion, with the SPR releases adding to the inventory drain. “Without a significant slowdown in demand or a pickup in new supply, we could see sustained upward pressure on prices,” said a Houston-based analyst, who asked not to be named discussing market-sensitive data. Analysts at Goldman Sachs recently noted that the rapid draw underscores the market’s reliance on strategic reserves as a buffer.

Policy-Driven Releases Persist

The SPR draw is tied directly to policy decisions by the administration to mitigate energy price spikes and ensure energy security amid geopolitical risks. The White House has faced criticism from some lawmakers over the pace of releases, arguing it risks leaving the U.S. vulnerable to future supply shocks. However, officials have defended the policy as necessary to head off sharp price increases that could hurt consumers and the broader economy.

Efforts to refill the reserve have been suspended due to high oil prices, with the Department of Energy recently canceling planned purchases. “We have a constant balance between short-term price relief and long-term strategic security,” a Department of Energy spokesperson said in a statement. Without a significant price decline, the SPR is unlikely to be replenished soon.

Implications for Crude Markets

Tighter SPR inventories come at a time when global supply is already under pressure from OPEC+ production cutbacks and disruptions in key shipping routes like the Strait of Hormuz. The combination of falling U.S. strategic reserves, robust domestic demand, and geopolitical uncertainty could provide a floor under crude prices, even as the International Energy Agency forecasts slowing demand growth.

“The market is now pricing in a tighter supply scenario than was anticipated just a few months ago,” noted an oil trader in New York. The next Department of Energy report, due next Wednesday, will be closely watched for any further decline in SPR levels and its impact on total U.S. crude inventories. Meanwhile, commercial crude stocks rose by 2 million barrels last week, partially offsetting the SPR draw.

Correction: An earlier version of this article incorrectly stated the SPR low as 1984. The correct year is 1983.