Venezuela and the Gulf Coast refineries: why record U.S. crude is not enough

The United States pumped 13,944,000 barrels a day in the week of September 11. It is the highest figure in its history. That same week it bought more than twice as much crude from Venezuela as from Saudi Arabia. This is not a political contradiction. It is a question of degrees.

API gravity measures how light a crude is. Above 40 degrees it is called light; below 20, heavy. Venezuela's Merey 16 carries the number in its name. And the crude coming out of U.S. wells sits, for the most part, at the opposite end of that scale.

The two blades of the scissors

The Energy Information Administration publishes U.S. production broken down by gravity. The last month available in that series is February 2024 — the EIA has not updated it since — and the split across the lower 48 states was this:

On the other side sits the refineries' actual diet. In June 2026, the crude entering Gulf Coast plants averaged almost 34 degrees API, at 1.4% sulfur. These are plants fed on medium, sour crude.

A country producing 57% of its crude above 40 degrees does not fill an almost-34 blend from its own wells.

The difference arrives by ship.

Why the diet does not change

A refinery does not process what arrives: it processes what it was built for. The units that break the bottom of the barrel and strip out sulfur are billion-dollar investments, decided decades ago and written off over decades. Changing that configuration is not a purchasing decision. It is construction.

And there is no room to experiment. Gulf Coast refineries ran at 96.9% utilization in the week of September 11, and have not dropped below 96% since mid-July. A system at that level has no spare unit on which to try a different blend.

The constraint is symmetrical, and that is the part usually lost. On the Venezuelan side, Orinoco extra-heavy crude does not move either without upgrading or diluting, and all four upgraders were installed in the nineties. Neither shore has built new capacity. Both are full.

The cushion is at its 1982 level

That leaves the Strategic Petroleum Reserve, which exists precisely to cover a shortfall. In mid-September it held almost 285 million barrels. We pulled the whole series — over two thousand weeks, back to its 1982 start — to date that level without relying on a headline: the last time the reserve sat there or below was November 1982. Forty-four years.

So far this year it is down some 128 million barrels. The emergency tool has already been used.

Who fills the gap

With domestic output at the light end of the scale, Gulf refineries with no slack and the reserve at a four-decade low, the medium sour barrel has to come from abroad. In the week ended September 11, Canada led the list as always; behind it came 782,000 barrels a day from Venezuela, more than double the Saudi figure. Venezuela has held second place for twenty-one consecutive weeks, a streak that breaks going backwards in April. Its average for the year runs at more than triple that of the same weeks in 2025. We develop it in the piece on the second supplier.

The series is preliminary and highly volatile: this year the weekly low did not reach fifty thousand barrels a day and the high is the current one. A single week is not a trend, which is why what matters is the streak, not the peak.

What would change it

Three things, and none of them is a political announcement. The first is downstream: a new coking unit on the Gulf Coast, which leaves a public trail years before it exists — long-lead equipment orders, permits, engineering contracts. The second is a new upgrader in the Orinoco, with the same trail. The third is the cheapest to watch and costs nothing: the day Saudi Arabia takes back second place in the weekly import series, this reading is under review.

Public discussion of Venezuelan crude happens almost entirely on the terrain of licenses, contracts and politics. That terrain shifts with every administration. This one does not: a refinery configured for medium sour crude will still need medium sour crude the day every signature changes.

While that stays true, the useful question is not whether the United States wants the Venezuelan barrel. It is how expensive not having it would be.