Qatar’s oil prices rose in September by 7.3 percent and 7.8 percent. Qatar Petroleum (QP) announced yesterday the price of Qatar’s crude oil for September at $54.85 per barrel compared to $50.90 for the previous month, up 7.8 percent. The price of Qatar’s offshore oil for September was set at $53.60 a barrel from $49.95 a barrel in August, up 7.3 percent