ARRANGEMENT FOR UNDERWATER DRILLING OF FOUNDATIONS FOR OFFSHORE PRODUCTION PLATFORMS

摘要

The invention concerns an arrangement for underwater drilling of foundations, comprising at least one cutter (27) and one pump (29) for discharge of excavated material, and hydraulic motors for driving the said cutter and the said pump. It comprises an hydraulic turbine (16) capable of functioning by means of a fluid such as sea water, and an hydraulaic plant driven by the said turbine and designed for feeding the said hydraulic motors.