prices and refinery activity international energy agency monthly oil market report 32 13 november 2003 summary brent wti crude proved volatile in october as a cold snap higher us throughput concern over heating inventories extended the rally that started mid september however 1 2 mb increase world supplies recovery padd stocks sent tumbling by nearly 4 barrel middle of month rebounded once more early on release lower than expected product stock builds with 29 bbl 31 at time writing arbitrage was closed for most strong european demand juxtaposed weak due largely to seasonal maintenance limited north sea movement domestic sweet gulf coast were attractive west african crudes unaffected spike still found buyers helped keep imports well above year ago levels distillate surged 6 both northwest