Oilfield services giant SLB (NYSE: SLB) raised its quarterly cash dividend after reporting on Friday higher-than-expected earnings for the fourth quarter, driven by what it described as “substantial international growth” in drilling activity. SLB said its fourth-quarter earnings per share (EPS), excluding charges and credits, stood at $0.86, up by 10% sequentially and 21% year-on-year. This beat the analyst consensus of $0.84 compiled by The Wall Street Journal. SLB reported fourth-quarter revenue of…