MARINE PLATFORM FOR OFFSHORE SUBMARINE DRILLING OPERATIONS AND THE LIKE

摘要

- ABSTRACT OF THE DISCLOSUREA marine platform comprises a caisson unit adapted to be placed onto thesubmarine ground at a desired offshore site. A tower-like tubular structurecomprising a plurality of columns extends vertically upwardly from saidcaisson unit and has their lower ends integrally fixed to said caisson unit.A deck unit adapted to be provided with petroleum drilling equipment or thelike is integrally fixed to the upper ends of said columns. A floating unitis adapted to be displaceably and removably fixed to said columns.