Crude oil prices surged on Friday, extending recent gains as escalating geopolitical tensions in the Middle East stoked concerns over global energy supplies disruption. Crude oil prices today Brent crude futures soared 58 cents, or 0.5 percent, to $113.75 per barrel as of 0439 GMT. Brent settled at its highest since May 4 on Thursday. US West Texas Intermediate crude futures climbed 66 cents, or 0.7 percent, to $100.13.