The SPR's inventory has dropped below 300 million barrels for the first time since the early 1980s, primarily due to the release of 172 million barrels in response to supply disruptions caused by the Iran conflict.
Experts warn that depleting the reserve further could risk damaging the caverns, which are essential for maintaining the integrity of the reserve and ensuring rapid oil supply during emergencies. Amos Hochstein, a former senior energy advisor to President Biden, stated that going below 300 million barrels could lead to irreversible damage to the caverns, making it difficult to restore them.
The Energy Department has countered these claims, asserting that the caverns are safe and that the oil-water ratio remains stable. However, concerns persist across the political spectrum regarding the structural integrity of the caverns, especially after previous drawdowns.
The Government Accountability Office has indicated that repeated drawdowns can lead to undesirable cavern shapes and increased geological risks. Experts like Siddharth Misra emphasize that the operational capability of the SPR is at risk when inventory levels drop below 300 million barrels, potentially slowing response times in future crises.
With the SPR's current levels, analysts warn that the U.S. could face challenges in responding to emergencies, such as hurricanes, that could disrupt oil supply