(EnergyAsia, July 7, Tuesday) — Singapore-based Keppel Offshore & Marine Ltd (Keppel O&M), a leader in offshore rigs, ship repair and conversion and specialised shipbuilding, said it has secured contracts worth S$30 million through its overseas subsidiaries for the upgrading and repair of three semisubmersibles. (US$1=S$1.45). Subsidiary Keppel Verolme of the Netherlands recently signed a…