Monday, 10am: Rotterdam. Brent stands at 80 USD per barrel. A refinery chief sits in the conference room and calculates: What do I earn today if I process 1 barrel of crude and sell the products?
The math is simple: I buy the crude for 80 USD. I burn energy, chemicals, and wages (cost about 2 USD). I sell from one barrel: 0.45 barrels diesel at 0.95 USD/L (about 200 USD), 0.35 barrels gasoline at 0.92 USD/L (about 140 USD), 0.15 barrels heating oil at 0.85 USD/L (about 50 USD), 0.05 barrels kerosene at 1.0 USD/L (about 20 USD). Total sale proceeds: about 410 USD. Minus crude costs 80 USD, minus operating costs 2 USD = 328 USD per barrel margin? No, because prices trade in different units and conversion losses occur. Realistically: about 8 USD/barrel margin in normal times.
Now: Tuesday, Russia gets hit with oil sanctions. Demand for European diesel explodes. Diesel lead times become tight. Diesel price jumps to 1.50 USD/L (from 0.95 USD). The refinery chief recalculates: The same barrel is now worth 35 USD/barrel extra margin, because diesel is suddenly scarce and commands premium prices.
That's the core: Refinery profits don't rise linearly with crude prices. They spike when individual products (diesel, kerosene, heating oil) become scarce.
Definition: From crude to gasoline
A refinery is a factory with one mission: convert crude oil into hundreds of products. The margin is the profit per unit of input:
- Input: Crude oil (e.g., Brent) at world market price
- Process: Distillation, cracking, reforming, blending (produces: gasoline fractions, diesel, kerosene, heating oil, fuel oil, lubricants, bitumen, petrochemical feedstocks)
- Output: Portfolio of 10–50 products at different prices
- Margin: (Total value of output products) − (crude costs) − (operating costs: energy, chemicals, labor) = USD per barrel input
A simple refinery (hydroskimming) can only distill. Margin: typically +2–5 USD/bbl. A complex refinery (cracking, reforming, isomerization) can convert heavy oils into high-value light gasoline. Margin: typically +8–20 USD/bbl normal, +40–80 USD/bbl in shocks.
Refinery profits in history: Normal vs. shock margins
Normal times (2010–2019):
- NW Europe Brent cracking margin (3-2-1 spread): 5–8 USD/bbl average
- US Gulf Coast: 4–7 USD/bbl
- Singapore: 3–6 USD/bbl (simpler refinerics, higher transport costs)
- Refineries run at 80–90% utilization, moderate earnings
2008 Financial Crisis (crude crashes from 147 to 30 USD):
- Margins spike to 20–35 USD/bbl (consumers can't adjust fast, supply chains invert)
- Refineries earn massively while crude producers go bankrupt
2020 COVID-19 (demand collapse):
- Margins drop to 1–3 USD/bbl (product oversupply, storage crisis)
- Refineries cut runs, many units idled
2022 Russia sanctions (diesel shortage in Europe):
- NW Europe diesel cracking margin explodes to 45–80 USD/bbl (highest ever recorded)
- Refinery profit per barrel jumps from 8 to 50+ USD, a 6x jump
- Consumers pay double pump prices, refiners post record earnings
How margins emerge, crack spreads and refinery complexity
What is the crack spread?
The 3-2-1 spread is the benchmark measure for refinery margins: it's the profit from processing 3 barrels of crude into 2 barrels gasoline + 1 barrel heating oil (nomenclature comes from output volume). In USD/bbl: (Price 2 × gasoline + Price 1 × heating oil) − (Price 3 × crude) = crack margin.
This spread is traded daily like a financial future on exchanges (NYMEX, ICE). Traders speculate, refiners hedge, analysts track it.
Regional spreads vary:
- Northwest Europe (Rotterdam basis): Largest refinery cluster, highest complexity, deepest markets. Normal range: 8–12 USD/bbl, shock range: 40–80 USD/bbl.
- US Gulf Coast: Massive refinery capacity, heavy export orientation. Normal range: 5–10 USD/bbl, shock range: 20–40 USD/bbl (less volatility than Europe, US less import-dependent).
- Singapore: Hub for Asia, but many simple refineries. Normal range: 2–5 USD/bbl, shock range: 10–25 USD/bbl (lower absolute margins).
Refinery complexity drives margin:
- Hydroskimming (simple): Distillation only, yields gasoline + heating oil. Cannot upgrade heavy fractions. Margin +2–5 USD/bbl. Typical for old, small plants.
- Cracking (complex): Catalytic or thermal cracking splits heavy fractions into light gasoline. Can process heavy, sour crude. Margin +8–20 USD/bbl normal, +40–80 USD in crises.
- Reforming (premium): Reforming unit produces high-octane gasoline. Margin +10–25 USD/bbl, even higher during gasoline shortages.
What refinery profits mean for your wallet
Scenario 1: Normal year (refinery margin 8 USD/bbl).
- Brent costs 85 USD. Refinery sells products at net value 93 USD (85 + 8 margin). The 8 USD/bbl covers opex and profit.
- Your heating-oil quote reflects this margin. You pay a wholesale price tracking crude + reasonable markup.
Scenario 2: Supply shock (e.g., 2022 diesel shortage, refinery margin 50 USD/bbl).
- Brent costs 100 USD. Refinery sells products (esp. diesel) at net value 150 USD (100 + 50 margin). The 50 USD/bbl is record-breaking.
- This signals markets: Diesel is scarce, refiners can extract premium pricing.
- Your heating-oil price JUMPS disproportionately, because suppliers embed the wide margin into their quotes. You pay not just for the expensive crude cost, but also for the wide margin spread.
- Example: Brent rises 10 USD (80 → 90). Normally heating oil rises 0.08–0.10 EUR/L (pass-through). But if refinery margin widens by 15 USD/bbl simultaneously (diesel shortage), you pay ADDITIONALLY 0.10–0.15 EUR/L. Total effect: heating oil rises 0.18–0.25 EUR/L (crude + margin expansion).
Action: Monitor margins for timing
- Read EIA/Argus refinery margins (weekly): If margins normally run 8 USD/bbl and you see "margins at 25 USD/bbl," it's a tightness signal. Order heating oil immediately before wholesale prices fully reflect the margin expansion.
- Watch diesel vs. gasoline spreads: If only diesel spreads explode (not gasoline), then diesel-rich refineries are tight. That hits heating oil. Action signal: ORDER NOW.
- Exploit regional differences: If NW Europe margins at 40 USD/bbl but US margins at 15 USD/bbl (as in 2022), it means regional tightness, not global. Policymakers will release SPR, lift export restrictions. Margins compress after 3–6 weeks. Timing: Buy now, expect relief in 2 months.
- Check capacity utilization: If refineries globally 85%+ and spreads wide, no new capacity coming online soon. Margins stay high for months. Strategy: Medium-term inventory approach, not tactical daily trading.