Keppel Verolme BV, a member of Singapore’s Keppel Offshore & Marine Ltd, said it has secured an agreement with Solitaire Marine Contractors S.A., a subsidiary of Switzerland’s Allseas Group S.A. for the 20 million euro conversion of the pipelay vessel (PLV), Solitaire. (US$1=0.75 euro).   In a statement, Tong Chong Heong, managing director and COO…