---
title: "Market Chatter: Chevron, Motiva Cut Motor Oil Feedstock Deliveries as Iran War Disrupts Market"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/286975515.md"
description: "Chevron and Motiva Enterprises have cut deliveries of Group III and II base oils to minimum contractual levels due to supply disruptions caused by the ongoing Iran war. This unusual reduction has led to record high prices for Group III oils, with the US relying on the Middle East for 44% of its supply. The situation worsened after Iranian attacks damaged a major supplier's facility in Qatar."
datetime: "2026-05-19T22:54:00.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/286975515.md)
  - [en](https://longbridge.com/en/news/286975515.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/286975515.md)
---

# Market Chatter: Chevron, Motiva Cut Motor Oil Feedstock Deliveries as Iran War Disrupts Market

06:54 PM EDT, 05/19/2026 (MT Newswires) -- Chevron ( CVX ) and Saudi Aramco-owned Motiva Enterprises have reduced some customer deliveries of Group III and II base oils, key ingredients used in high-end motor oil and lubricants, to minimum contractual levels as the Iran war continues to disrupt supplies, Bloomberg reported on Tuesday, citing people familiar with the matter.

Such reductions were highly unusual outside refinery outages, with Group III supplies especially constrained, the report said.

Global base oil markets have been under pressure since the conflict began, while Group III prices have climbed to record highs, according to Argus Media, cited by Bloomberg.

The US imports 44% of its Group III oil from the Middle East. Bloomberg said supply strains worsened after Iranian attacks in March damaged Shell's Pearl GTL facility in Qatar, a major supplier.

(Market Chatter news is derived from conversations with market professionals globally. This information is believed to be from reliable sources but may include rumor and speculation. Accuracy is not guaranteed.)

MT Newswires does not provide investment advice. Unauthorized reproduction is strictly prohibited.

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