Aerial view of the Anacortes crude oil refinery with petroleum storage tanks in western Washington State
Walter Siegmund / Wikimedia Commons, CC BY-SA 3.0
Prices & Markets·Thursday, July 23, 2026

US Crude Inventories Draw 3 Million Barrels as Brent Tops $100 on Iran Escalation

US crude stocks fell 3 million barrels as American refineries ran near record capacity and Brent crossed $100 on escalating US-Iran military strikes.

Brent crude traded at $100.72 per barrel as of late morning Thursday on OilPrice.com, up 7.07% on the session. WTI crude traded at $92.38 per barrel on the same platform, up 6.39%. Both benchmarks reached their highest intraday levels in recent weeks, with Brent crossing the $100 per barrel threshold for the first time since the current Middle East conflict escalated.

The move follows twelve consecutive nights of U.S. military strikes against Iran, per OilPrice.com reporting dated July 23. Houthi forces attacked two Saudi oil tankers in the Red Sea late on July 22, per the same source. Operators have begun rerouting around the Cape of Good Hope to avoid the Bab el-Mandeb Strait. Longer voyages reduce available tanker supply without cutting a single barrel of crude production.

EIA Data: 3-Million-Barrel Crude Draw for Week Ending July 17

U.S. commercial crude oil inventories fell by 3.047 million barrels for the week ending July 17, 2026, according to the U.S. Energy Information Administration. Total crude stocks stood at 723.1 million barrels after the draw, down from 726.2 million barrels the prior week. The EIA published that data on July 22, 2026. The next weekly release is scheduled for July 29.

The draw reflects a market where refinery demand outpaced the combined rate of domestic crude production and imports. Commercial inventories absorbed the deficit rather than the market producing additional crude to fill the gap.

Refineries Running at Near-Peak Throughput

U.S. refineries processed 17.065 million barrels of crude per day during the week ending July 17, per EIA data. That rate is slightly below the 17.123 million barrels per day recorded the prior week, but remains at the high end of recent seasonal norms. Industry coverage from OilPrice.com places implied utilization at 96.2% of total U.S. nameplate refinery capacity.

The 3.047 million barrel weekly draw over seven days equals a drawdown rate of 435,000 barrels per day. Total crude supply from domestic production and net imports therefore averaged 16.63 million barrels per day during that week. That supply rate fell 435,000 barrels per day short of refinery demand, and the gap was covered entirely by inventory drawdown.

Distillate Stocks Built by 1.4 Million Barrels

Distillate fuel oil inventories added 1.395 million barrels during the same week, reaching 109.57 million barrels total, per EIA data. High refinery throughput increases diesel and jet fuel output in proportion to crude runs. The 1.395 million barrel build is consistent with summer refinery run rates pushing product output across all categories simultaneously.

WCS Differential: Implied $17.90 Per Barrel as WTI Surges

Western Canadian Select was quoted at $74.48 per barrel by OilPrice.com as of Thursday morning, carrying an 11-hour price lag. At WTI's current price of $92.38 per barrel, the implied WCS-WTI differential stands at $17.90 per barrel. The 11-hour WCS lag means the actual real-time differential may differ materially as Thursday's session unfolds.

Oil Authority previously reported the WCS-WTI spread had widened to $29 per barrel as dual-chokepoint disruptions pushed heavy crude buyers to demand a larger delivery-risk discount. The implied narrowing to $17.90 reflects WTI's 6.39% intraday surge outpacing the delayed WCS price update rather than a change in fundamental heavy-light market structure.

What the Data Shows

Three signals align in Thursday's data: a 3-million-barrel crude draw, refinery runs near 17 million barrels per day, and Brent crossing $100 on geopolitical risk. Each would attract market attention on its own. Together, they describe a U.S. petroleum complex running lean on crude while global prices climb on supply-disruption risk.

U.S. fuel exports are rising as elevated global prices make American product competitive internationally, per OilPrice.com. India's refining sector is expanding product exports under the same logic. Higher export flows further tighten domestic product markets even as U.S. refineries run near maximum throughput.

Sources and methodology

Oil Authority synthesis: computed daily crude supply deficit by dividing the 3.047 million barrel weekly inventory draw by seven days to produce a 435,000 barrel-per-day drawdown rate, then compared that rate against EIA refinery crude run data to derive the implied total crude supply figure; compared current implied WCS-WTI differential against the $29 spread reported in prior Oil Authority coverage.

Published by Oil Authority, edited by Adam Humphreys

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