W.Africa Crude — IOC buys Angolan, Congolese grades
(.) LONDON, Oct 16 (Reuters) — West African crude differentials were steady on Friday against a broader backdrop of trending lower, as traders digested tender results. India's IOC bought cargoes of Nemba, Sangos and Djeno in a recent tender, one trader said. West African crudes have faced pressure this week as record-h