Cloth oil is Brent crude oil. Brent is a light and low-sulfur crude oil, which is produced in Brent and Nizhnan oil fields in the North Sea and widely traded in futures, OTC swaps, forwards and spot spot markets. At present, more than 65% of the world's physical crude oil is linked to Brent system pricing.

The loading port of Brent crude oil is Soren Fosulom Port in shetland islands, Beihai. The main users are refineries located in northwest Europe and the east coast of the United States.

Cloth oil (Brent crude oil) in the London commodity futures trading market, Brent crude oil belongs to the North Sea crude oil, that is, ICE Brent. At present, except for some oil accidents in the Middle East and the Far East, most crude oil exported to Europe, such as crude oil from Beihai, Africa, Latin America, Canada and some Middle East and the Far East, is priced by dtd Brent.