Damstrait · compiled 2026-07-16 · refreshed …

Oil & the Two Wars

How the Russia–Ukraine war and the 2026 US/Israel–Iran war reshaped oil flows, prices, and buffers. Every figure links to its source; hover any chart for as-of dates and provenance.

observed (traces to a primary data series) · third-party estimate (provider named) · scenario / forecast

Thesis: one war reroutes oil, the other removes it — and the shock absorbers are now spent

The Russia–Ukraine war is a grinding attrition campaign that reroutes and degrades supply without removing much crude from the market: four years of sanctions, price caps, and ~194 drone strikes on refineries in H1 2026 alone have hollowed out Russian refining (~a third offline per trackers; Kyiv claims more) and forced Russia to export more crude, not less. The 2026 US/Israel–Iran war did what sanctions never could: the Strait of Hormuz closure (de facto Feb 28, declared Mar 2–4, until Jun 17; ~20 mb/d of total oil transit incl. products cut to a trickle) was, per the IEA, the largest supply disruption in the history of the global oil market — world supply fell from 106.9 to 94.5 mb/d in three months, Brent went from $71 to $138, and the largest-ever coordinated stock release could replace barely a sixth of the lost barrels. Prices broke on the expectation of reopening: Brent fell 21% in the two weeks before the June 17 memorandum was signed (Jun 3 $101.69 → Jun 17 $80.33), then a further 13% after — the market priced the deal before the signatures. That truce collapsed on July 8, with the buffers that cushioned round one now substantially depleted.

Brent, latest
~$95.5
Jul 22 front month (Fortune) · +39% vs Jul 2 FRED trough · Kharg-seizure threat
Brent peak
$138.21
Apr 7 · vs $71.32 pre-war (Feb 27)
World supply trough
94.5 mb/d
May · vs 106.9 pre-war (IEA)
US SPR
311.4 Mb
Jul 17 · vs 415.4 Feb · 43-yr low
Hormuz oil exports
~4.3 mb/d
Jun avg, Windward (CNBC) · vs >15 pre-war (same basis)
Russian refining offline
~33%
Jul, trackers (TechTimes) · IEA >20% · Kyiv claims 43%

$71 → $138 → $95: Brent & WTI through the war (USD/bbl)

Table view (monthly averages)
MonthBrent avgBrent rangeWTI avg

FRED daily spot (DCOILBRENTEU / DCOILWTICO), refreshed 2026-07-24; the series lags a few business days (last print Jul 20, $86.99) — front futures topped $90 on Jul 20 (Bloomberg) and traded ~$95.5 on Jul 22 (Fortune); Goldman warns $120+ if disruption persists. Shaded bands = war phases; numbered markers = the events tabulated on the Prices & futures tab.

Six syntheses

  1. Chokepoints beat sanctions. Four years of Russia sanctions moved prices less than four weeks of Hormuz closure — scarcity even put Urals at a premium to Brent. See the benchmark differentials
  2. Reserves are a bridge, not a fix. The largest-ever IEA collective action covered the resulting stock draw for ~4 months; the bill is an SPR at a 43-year low as hostilities resume. See the drawdown and what refills it
  3. The market prices persistence; forecasts price peace. The Jul-16 strip sat ≈$11 over EIA's base case — one-in-four odds of persistence against Goldman's $115 severe case. See the probability arithmetic
  4. The barrel's quality mix broke before its quantity did. Hormuz locked in medium/heavy sour and light sweet replaced it — Dubai "effectively broke," and products ran tighter than crude everywhere. See the grade mix
  5. Demand destruction, not substitution, balanced the market. IEA sees 2026 demand −1.0 mb/d (Jul OMR) — while war-priced LNG pushes demand toward oil, not away. See where the barrels went
  6. Recovery time is set by politics, not engineering. Terminals heal in days, refineries in weeks-to-months, LNG trains in years — but Hormuz transit has no engineering timeline. See the outage timeline
The full arguments
  1. Chokepoints beat sanctions. Four years of Russia sanctions moved prices less than four weeks of Hormuz closure. The 2026 shock even suspended the sanctions architecture in practice: Urals traded at a $7–8 premium to Brent in April–May (vs the EU's $44.10 cap), the US waived restrictions on India's purchases, and Russian March export revenue nearly doubled to ~$19bn. Scarcity trumps enforcement whenever both bind at once.
  2. Reserves are a bridge, not a fix. The largest-ever IEA collective action (400 Mb, ~1.2–2.1 mb/d deliverable) faced a 12.8–14.4 mb/d Gulf supply loss; Brent rose 17% in the days after the announcement (press figure; FRED-computable: +14.9% over three sessions). What broke the spike was the prospect of reopening, not the barrels — two-thirds of the June collapse (−21%) came in the two weeks before the memorandum was signed. The releases did their real job — covering the realized stock draw for ~4 months — but the cost is visible now: SPR at a 43-year low, OECD government stocks at a 35-year low, just as hostilities resume.
  3. The market prices persistence; official forecasts price peace. The futures curve never panicked at the back (Dec-27 held near $78 even with cash at $106+) but the front strip (~$85 Sep / ~$81 Dec) sits ≈$11 above EIA's post-truce base case on matched months ($84.84 vs $74.03 Q3; $81.35 vs $70.00 Q4). Read as a two-state mixture against Goldman's $115 severe case, that gap implies roughly a one-in-four market-implied probability that the disruption persists (the arithmetic). Scenario bounds: ~$40 durable peace, $115–150+ severe escalation.
  4. The barrel's quality mix broke before its quantity did. What Hormuz locked in was overwhelmingly medium/heavy sour (Basrah, Kuwait Export, Arab Medium/Heavy, Upper Zakum — the bypass pipelines carry only lighter grades); what replaced it was light sweet (record US/Brazil/Guyana output) plus sour SPR barrels. Result: the Dubai benchmark "effectively broke," Urals' discount collapsed to $2–3 — and products were tighter than crude everywhere, because refining was hit on both fronts (Russia by drones, the Gulf and Iran by missiles).
  5. Demand destruction, not substitution, balanced the market. IEA sees 2026 oil demand −1.0 mb/d (Jul OMR) — the first drop since 2020 — while war-priced LNG (TTF +32%, JKM +45% y/y) is currently pushing demand toward oil (realized gas-to-oil switching ~0.1–0.3 mb/d, author estimate; the oft-quoted ~1 mb/d is Energy Intelligence's Sep-2022 ceiling) and coal, not away. Durable displacement (~1.7 mb/d avoided via EVs) is structural and mostly pre-dates the wars; the cheap-LNG-displaces-oil thesis is deferred to 2027–28 and hostage to Hormuz and Ras Laffan's 3–5-year repair.
  6. Recovery time is set by politics, not engineering. The repair hierarchy is consistent: export terminals recover in days-to-weeks, refineries in weeks-to-months (open-ended under Ukraine's 2–3-week re-strike cadence and parts sanctions), LNG trains in years (Ras Laffan: 3–5). But the single biggest variable — Hormuz transit — has no engineering timeline at all; both sides deliberately spared Kharg Island's export plumbing, keeping the off-ramp intact. The binding constraint on world oil supply in H2 2026 is a negotiation, not a repair schedule.

What to watch — which case is materializing?

Green = recovery-case reading, amber = in between, red = risk-case; thresholds are author-set, and each tile links its source.

Where this goes

The fork: the base case (EIA, de-escalation-conditioned) glides back toward $70 and the deferred glut once the risk premium unwinds; the risk case (scenario A) sends winter product markets into a depleted buffer — ~13 months of endurance now vs ~19.5 in February, so the same shock produces a bigger price response. All four futures are quantified on the Scenarios tab, including a 24-month chapter-by-chapter timeline; the watch panel above tracks which is materializing.

H2 2026–2027: the market vs the forecasters (Brent, USD/bbl)

The ≈$11 strip-vs-EIA gap is the market's persistence pricing; bounds are analyst quotes (Goldman severe $115; Fink $40 / $150+). The gray dashed vintages — $58 (Feb) and $96 (Apr, the day of the peak) — are regime-chasing, not conservative.

Methodology & caveats (paths, vintages)

Actuals: FRED daily. EIA path: STEO July 7 vintage quarterly midpoints ($74.03 Q3 / $70.00 Q4 / $67.63 Q1-27 / $61.97 Q4-27) — assumes de-escalation, pre-dates the July 8 collapse. Strip: Barchart settlements Jul 16 (Dec-27 point is a May 15 vintage). Each STEO vintage extrapolated the regime it was published in — too low before the war, too high at the peak, and, if the strip's +$11 is right, too low again now. The full five-vintage history is keyed, with a source per vintage, in the chart data.

Dive in

Prices & futures Why the market thinks this isn’t over: futures sit $11 above the official forecast — one-in-four odds the disruption persists into Q4. Supply & infrastructure Which barrels went missing: five Gulf producers lost >1 mb/d each, and what was hit heals in days, in months, or never. Reserves & buffers The cushion is half gone: 13 months of cover left against 19.5 in February — and China never touched its own. Market response $138 oil summoned almost no new barrels. It rationed the poor and idled factories instead. Scenarios If the blockade holds: $137–189 once the buffers empty, $170–255 if the bypasses go — and how to tell which.