The Vernier, Switzerland-based American offshore driller, Transocean Ltd. (RIG Quick QuoteRIG - Free Report) , declared that it bought a minority interest in Ocean Minerals Ltd., a firm that engages in the exploration of seabed resources comprising metals vital to the augmenting renewable energy market.
Ocean Minerals is a Texas-based exploration company that acquires and develops mining properties and produces metals such as cobalt, nickel, copper and manganese.