Transocean Ltd. (RIG) has secured new contract extensions for three of its harsh environment semisubmersible rigs — Transocean Spitsbergen, Transocean Norge and Transocean Endurance. The new deals contribute approximately $161 million in firm contract backlog.The Transocean Spitsbergen received a three-well contract extension in Norway from Equinor. The rig has been contracted by Equinor since November 2023. The extension with Equinor should contribute around $72 million in firm backlog, excluding additiona ...