Madrid. This Friday, the Brent crude oil barrel for May delivery is down by approximately 2%, reaching a price of 106 dollars, following an increase in recent days due to the conflict in the Middle East. At 7 a.m. this Friday, Brent has decreased to 106.7 dollars. The West Texas Intermediate (WTI) crude oil is down by 2.11% before the opening of the market in the United States, standing at 93.47 dollars.