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Iran Conflict 2026
17AUG

US refiners chase the distillate crack

3 min read
15:37UTC

The EIA's report for the week to 22 May showed US refinery utilisation at 94.5%, crude drawing 3.3mb, and distillates 11% below the five-year average.

ConflictAssessed
Key takeaway

Utilisation at 94.5% into a falling Brent shows refiners chasing a distillate crack with a supply-side floor under it.

The EIA Weekly Petroleum Status Report for the week to 22 May showed US distillate stocks at 100.8mb, down 2.1mb on the week and roughly 11% below the five-year average, the tightest distillate balance since the 2022 post-Ukraine shock 1. The four-week distillate demand figure is down 2.1% year-on-year, so the draw is supply-side, not a demand surge papering over scarcity.

Refiners answered with capital. US utilisation jumped to 94.5% from 90.8% the prior week, crude inputs rose 652kbd to 16,430kbd, and crude stocks drew 3.3mb to 441.7mb 2. Plants running that hard into a falling Brent are chasing a crack margin the selloff has not reached, which is the behaviour you would expect if the product shortage is real rather than a positioning artefact.

The print sits under the 26 May crack call as its evidence leg, not a fresh thesis. The gasoil crack held near $54 through the full $14 Brent decline because the barrels were genuinely short, and these inventories say it deepened while the screen sold off. The counter runs through turnaround season: runs at 94.5% rebuild product stocks within weeks if the ceasefire holds and Gulf barrels flow freely, which would revert the crack toward its pre-war $35 rather than holding a new floor.

Deep Analysis

In plain English

Every week, the US Energy Information Administration (EIA) publishes a snapshot of how much oil and diesel is sitting in storage tanks across America, and how hard refineries are running. This week's report showed two things: crude oil stocks fell by 3.3 million barrels, and diesel (distillates) stocks are 11% below the typical range for this time of year. Refineries were running at 94.5% of their total capacity, which is very high and means they are pushing hard to produce fuel while their profit margins (called crack spreads) are good. The diesel shortage matters for European markets because American and European product markets are linked: when American diesel stocks are low, less product flows across the Atlantic, keeping European prices firm even when crude oil prices fall.

Deep Analysis
Root Causes

The 3.3mb crude draw to 441.7mb and the distillate deficit have distinct causes that reinforce each other.

The crude draw is primarily seasonal: refinery runs at 94.5% in late May are consistent with pre-summer product build schedules. The year-on-year comparison is favourable because Q1 2026 runs were suppressed by Hormuz-disruption risk premiums on crude acquisition cost, so the late-May ramp is a catch-up.

The distillate draw at 11% below the five-year average is sanctions-driven on the supply side: Russian diesel and gasoil, which historically covered 30-40% of European import demand via re-export from Gulf refiners, has been partially displaced by sanctioned-grade rerouting to Asian buyers. The four-week demand run-rate being down 2.1% year-on-year confirms that the draw is not a demand surge; it is a supply shortfall that the utilisation ramp is compensating for.

What could happen next?
  • Consequence

    Distillates at 100.8mb and 11% below average, with demand flat year-on-year, confirms supply-side tightness; the gasoil crack floor near $54 (ID:3622) has fundamental support and will not compress in line with the flat-price selloff.

  • Risk

    If utilisation stays above 94% into peak driving season and distillate demand recovers from the current -2.1% year-on-year run rate, the stock deficit deepens further, pushing the crack above prior highs.

First Reported In

Update #3 · OFAC loads a June squeeze the screen ignores

Reuters· 29 May 2026
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