Non-rigid marine platform with surface wellheads

US4895481A · kind A · utility

Assignee

• DORIS ENGINEERING · FR

Inventors

• Jean Francois Marie Pepin-Lehalleur · Paris, FR
• Lo c M. J. Danguy des Deserts · Paris, FR

Key dates

• Filing date: Jan 20, 1988
• Grant date: Jan 23, 1990
• Expiry date: Jan 20, 2008

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B63B2035/442
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A platform consisting of a rigid structure supporting the deck, floats fixed to the lower part of the rigid structure, and flexible structure formed of piles fixed by their upper ends to the rigid structure and to the floats and by their lower ends to a base provided on the seabed, the piles being held under tension.