16 17 18 19 20 21 22 23 24 25 26 27 28 oct nov dec jan feb mar apr may jun jul aug sep brent wti dubai spot crude oil prices bbl international energy agency monthly market report and refinery activity 7 november 1997 33 summary g43 despite an obvious oversupply in north sea west african markets october average for atlantic basin benchmark crudes reached the highest level since february another round of mounting tension middle east caused to surge late september early once tensions eased settled into a new higher trading range most second half month reflected lingering concerns about smooth continuation iraqi exports december sour mediterranean gained support from these amid tightening supplies asian strengthened as high freight rates deterred influx grades globally supply demand appears be fundamentally balanced with weakness offset by firm us
