Location: Brent Blend is a combination of crude oil from 15 different oil fields in the North Sea. It is less “light” and “sweet” than WTI, but still excellent for making gasoline.It is primarily refined in Northwest Europe, and is the major benchmark for other crude oils in Europe or Africa.rent blend is generally priced at about a $4 per barrel premium to the OPEC Basket price or about a $1-2 per barrel discount to WTI. WTI is also known as Light Sweet Crude, the majority of which is located in the Permian oil Field.