Hormuz Tensions Push Iraq to Curb Southern Basra Exports

Four tankers crossed the Strait of Hormuz on March 1. A normal day since January would have seen roughly two dozen. That single number tells you why Iraq, OPEC's second-largest producer, is now openly preparing to shut in a large share of the crude it pumps from the south. When the ships stop moving, the oil has nowhere to go, and the tanks fill fast.

The trigger was the strike on Iran in the last days of February and the sharp escalation that followed around the strait. Within about 48 hours, traffic through the world's most important oil chokepoint had all but stopped. Roughly a fifth of global oil and gas moves through those waters. For a few days, almost none of it did.

Iraq feels this more than almost anyone. Its southern fields around Basra account for about 80% of national crude output, and nearly all of that oil leaves through Gulf terminals that feed straight into Hormuz. Cut the exit and you cut the country. Oil pays for roughly 90% of the federal budget, so this is not only an energy problem. It is a fiscal emergency that lands on salaries, subsidies and imports.

The numbers behind the shut-in

Before the fighting, Iraq was producing around 4.4 million barrels a day. Domestic refineries and power plants swallow only about a million of that. The rest is built to sail. With the terminals unable to load safely, storage on land and on idle tankers in the Gulf started backing up almost immediately, and once the tanks are full there is only one lever left: turn down the wells.

Officials in Baghdad have been blunt about what comes next. An adviser involved in the planning put it plainly: "We have no choice but to halt production intended for external exports." The government's own estimate is that a cut of more than three million barrels a day could arrive within days if the strait stays closed. That would drop total output toward the low single millions, a level Iraq has not seen in years.

Oil Minister Hayyan Abdul Ghani has confirmed that Baghdad is talking directly to Tehran about safe passage for at least some Iraqi cargoes. "There is ongoing communication with Iran regarding allowing the passage of some Iraqi oil tankers," he told the state news agency. Talks are one thing. Insurers and shipowners want to see the guns fall silent before they send crews back into the strait.

Why the ships stopped

The collapse in traffic was not gradual. AIS tracking showed the strait effectively frozen for five straight days through early March, with vessel counts falling from the normal daily flow to a handful and, on some days, to none at all. Owners of tankers, gas carriers and product ships pulled back rather than run the gauntlet.

The fear is concrete, not theoretical. Vessels have been struck in the Gulf during the crisis, and there are reports of drone boats and sea mines in the approaches to Hormuz. That combination is poison for marine insurance. War-risk premiums have spiked, by figures approaching 200% over pre-conflict levels, and for many operators the math simply stops working. When a single loaded VLCC carries a two-million-barrel cargo worth well over a hundred million dollars, no rate covers the downside of a mine.

The bill Baghdad is already counting

Iraq's finance officials estimate lost export revenue in the range of six to seven billion dollars a month if southern shipments stay offline. That is money the state does not have a cushion for. Authorities have pointed to food stockpiles sufficient for roughly six months as reassurance, which is itself a signal of how seriously the government is treating a prolonged disruption.

Washington has offered help. The United States has pledged insurance backstops and naval escorts for tankers, with the Pentagon and the Department of Energy working on safety arrangements to coax ships back into the strait. Whether commercial operators trust those guarantees enough to load at Basra is the open question. A government pledge does not automatically reopen a private insurance market, and underwriters have long memories.

The search for another way out

The crisis has revived every alternative-route conversation Iraq has ever had, and exposed why none of them is a quick fix. The obvious northern option is the Kirkuk-Ceyhan pipeline to Turkey, but that line moves northern crude and has its own history of stoppages and disputes; it cannot substitute for the volumes stranded in the south. Baghdad is also weighing export paths through Syria and Jordan, all of which offer only modest capacity against what Basra normally ships.

The real structural answer is the Basra-Haditha pipeline, approved in 2024, designed to carry up to 2.5 million barrels a day from the southern fields toward outlets in Turkey, Syria and Jordan and reduce Iraq's dependence on a single maritime chokepoint. It is exactly the kind of insurance Iraq wishes it had today. It is also years and billions of dollars away. Right now, the south has one door, and that door opens onto Hormuz.

What to watch

The immediate signal is the vessel count through the strait. If it climbs back toward normal, Iraq can leave its wells running and draw down the crude sitting in tanks and on floating storage. If it stays near zero, the shut-in decision moves from "days away" to done, and the physical loss of a major producer starts to bite into an already jittery market.

Watch the pricing, too. A producer this desperate to move barrels will discount hard to anyone willing to sail, and buyers in Asia will drive a punishing bargain for taking the risk. And watch the insurers. The strait does not truly reopen when Baghdad and Tehran shake hands, or even when American warships appear. It reopens when a private underwriter in London is willing to write the cover and an owner is willing to send a crew. Until then, Iraq's southern oil stays in the ground, and the arithmetic of one chokepoint keeps a nation's budget hostage.