(SeeNews) - Jul 31, 2013 - UK-based Petrofac (LON:PFC) said Tuesday it had won an EUR-40-million (USD 53m) deal from German Siemens (ETR:SIE) to assist in the commissioning of the 576-MW HelWin1 and 800-MW BorWin2 offshore wind converter platforms in the German North Sea.