The U.S. Energy Information Administration reported that a blockade of the Strait of Hormuz has slashed Middle East oil production by 11 million barrels per day. The disruption is one of the largest single supply shocks to hit global energy markets in decades.
The Numbers Behind the Blockade
The 11 million barrel per day figure comes directly from the EIA's latest assessment. It reflects the amount of crude output that has been halted because tankers cannot pass through the narrow waterway. The agency did not specify who is enforcing the blockade or how long it might last. What's clear is that the lost volume dwarfs typical production cuts seen during geopolitical crises. Several fields across the region have been idled, and loading operations have ground to a halt.
Why This Waterway Matters
The Strait of Hormuz connects the Persian Gulf to the Gulf of Oman. A large share of the world's oil travels through this chokepoint on its way to refineries in Asia, Europe, and North America. When the strait is blocked, producers on the Gulf have few alternatives. Pipelines exist, but they cannot handle the full volume that normally moves by tanker. The result is a near-immediate production freeze for economies that depend on exports.
What Happens Next
The EIA's report does not offer a timeline for when output might resume. That depends on the blockade being lifted. For now, 11 million barrels per day remain offline. The question of how long this lasts will shape oil supply for weeks or months to come.




