Going with the flow...

•Santos has named Vince Santostefano chief operations officer, Bill Ovenden vice president of exploration, Brett Woods vice president of development and Andrew Seaton chief financial officer

•Solange da Silva Guedes has been approved as head of E&P at Petrobras, with Roberto Moro approved as head of production and technology development

•Idar Eikrem has replaced Eiliv Gjesdal as chief financial officer at Kvaerner

•Randolph Richards is replacing Paul Bennett as treasurer at Chevron

•Jim Hackett has joined the board of National Oilwell Varco

•TomCo Energy has named Chris Brown chief executive

•Mischa Chang has been named managing director of SAL Singapore

•Greg Conlon has joined KBR as president of engineering and construction, Asia-Pacific

•Greg Vasey is replacing the...