MOBILE, ALA. - In the days after Katrina, as hundreds of oil-producing platforms remained off line — and some continued to leave a conspicuous trail of petroleum in the Gulf of Mexico ...

With two large cylindrical concrete floaters mounted on a steelwork sled, Saitec Offshore Technologies' DemoSATH platform is vying with a crop of designs in already various stages of development.

whereas for conventional wind turbines you often need to have specialised vessels doing the installation offshore." The units are designed for a lifespan of 50 years compared to the 20 years of a ...