Semi-submersible platform for exploration of an oil field at sea and installation process for such a platform.

摘要

"SEMI-SUBMERSIBLE PLATFORM FOR THE EXPLORATION OF A PETROLEUM FIELD AT SEA AND PROCESS OF INSTALLING A SUCH PLATFORM". The platform comprises a floating infrastructure (1), consisting of a support base (3) and columns (4 ~ i ~) extending upwards from the support base, a floating bridge (2), mounted on the columns (4 ~ i ~), and means of ballasting and de-ballasting of the support base of said infrastructure. It also comprises means of lateral guidance of said covered bridge (2) in said columns (4 ~ i ~) when the platform unfolds to a predetermined configuration, by ballasting the infrastructure, while the covered bridge (2) it is in floating and locking means of said covered bridge (2) on the columns (4 ~ i ~) in said predetermined configuration. Application in the exploration of oil fields in deep waters.