Record 400M barrel oil release fails to stop $100 crude amid Iran war

The Strait of Hormuz is a narrow waterway between Iran and Oman that connects the Persian Gulf to the Gulf of Oman and the wider world. Roughly 20% of the world's oil and liquefied natural gas passes through it. About 17 million barrels of oil transit the strait daily under normal conditions. Iran has historically threatened to close it during periods of military tension; on March 4, 2026, it followed through. Iranian naval forces began attacking ships attempting to transit, and the new supreme leader MKMojtaba Khamenei affirmed that the closure would continue. By mid-March, Hormuz transit had dropped to less than 10% of pre-conflict levels.

The countries most immediately affected include Japan, South Korea, India, and China, which collectively import about 60% of their oil through the Strait. The European Union, which has reduced reliance on Persian Gulf oil, is still exposed through global price effects. Prolonged closure would threaten supply chains for plastics, fertilizers, jet fuel, and dozens of other petroleum-derived products.

The International Energy Agency, founded in 1974 after the Arab oil embargo, exists specifically to coordinate emergency energy responses among wealthy democracies. On March 11, its 32 member countries unanimously agreed to release 400 million barrels from their collective emergency stockpiles. The U.S. contribution of 172 million barrels from the Strategic Petroleum Reserve represents 43% of the total and will be released over approximately 120 days at a rate of roughly 1.4 million barrels per day.

This release exceeds the 183 million barrels IEA members released in 2022 after Russia invaded Ukraine, more than doubling the previous record. The U.S. SPR, established after the 1973 oil crisis, currently holds roughly 400 million barrels stored in underground salt caverns in 🎺Louisiana and 🤠Texas. That means the administration is committing about 43% of the entire reserve in one action.

Despite the unprecedented scale of the release, oil markets didn't respond the way policymakers hoped. Brent crude, the international benchmark, closed above $100 per barrel for the second consecutive session on March 14, and had risen 9.2% in a single day earlier in the week. The CNBC headline captured the dynamic bluntly: 'Why crude may keep rising.'

The math explains why. The IEA release of 400 million barrels over 120 days adds about 3.3 million barrels per day to supply. But the Hormuz closure is removing an estimated 8 million barrels per day from the market. The emergency release is replacing roughly 41% of the total loss, and the U.S.'s portion alone replaces only 15%. The gap between the size of the supply shock and the capacity to compensate is simply too large for stockpile releases to close.

The Trump administration took a parallel action on March 13, temporarily lifting sanctions on Russian oil already at sea, allowing those shipments to reach buyers through April 11. Treasury Secretary SBScott Bessent said freeing Russian oil could add hundreds of millions of barrels to global markets, helping contain prices. Russia earns approximately $150 million per day in extra revenue from the price spike the Iran war has created, meaning the sanctions relief also directly benefits the Russian economy while Ukraine's war with Russia continues.

European allies reacted with dismay. Ukrainian President VZVolodymyr Zelenskyy publicly called the sanctions relief 'not the right decision.' European governments, which have spent three years tightening the financial vise on Russia, criticized the move as undermining collective sanctions policy. The Trump administration framed it as a temporary measure to protect American consumers from $100-per-barrel oil.

U.S. Energy Secretary Chris Wright, a former oil industry executive who founded fracking company Liberty Energy, acknowledged on March 13 that the U.S. military was 'not ready' to escort oil tankers through the Strait of Hormuz. Wright predicted the Iran war would last 'weeks, not months.' Trump separately urged other countries to send warships to help secure the strait. The U.S. Navy has the capacity to escort tankers but would need to significantly expand its presence in the region, and logistics for that operation were still being assembled as of mid-March.

The administration invoked the Defense Production Act to restart the Sable Offshore pipeline in 🌴California on March 13, a domestic production move that adds at most 30,000-50,000 barrels per day, a fraction of the global shortfall. Governor Gavin Newsom called it illegal and vowed to fight it in court. The gap between the domestic production actions available and the scale of the Hormuz supply disruption illustrates how little the United States can do unilaterally to replace Persian Gulf oil.