B - Operations – Transporting – 63 – B
Patent
B - Operations, Transporting
63
B
B63B 3/48 (2006.01) B63B 3/14 (2006.01)
Patent
CA 2319487
A ship for use in offshore operations, with one or more vertical openings (moonpools) in the hull, wherein the deck and/or hull bottom areas between or substantially between and/or otherwise adjacent the openings, are displaced relative to the rest of the deck and/or hull bottom areas of the ship to a position closer to the ship's transverse neutral axis. The area between the rest ot the other deck- and hull bottom areas and substantially the displaced area or areas is gradually stepped. Alternatively, the area between the displaced deck- and/or hull bottom area or areas at the openings in the ship and the rest of the deck- and/or hull bottom areas can be stepped in one or more steps, or be shaped as an approximately linear or arcuate junction.
L'invention concerne un navire pour opérations de forage en mer, dont la coque comporte une ou plusieurs ouvertures (trappes) verticales. Dans cette configuration, les parties basses du pont et/ou de la coque comprises entre ces ouvertures et/ou sinon sensiblement adjacentes auxdites ouvertures sont déplacées par rapport au reste des parties basses du pont et/ou de la coque, de manière à occuper une position plus proche de l'axe transversal neutre du navire. La zone comprise entre ces autres parties basses et, sensiblement, la ou les parties basses déplacées est progressivement échelonnée. Selon une variante, la zone entre la ou les parties basses déplacées au niveau des ouvertures du navire et les autres parties basses peut comporter un ou plusieurs échelons, ou bien avoir une forme de jonction approximativement linéaire ou courbe.
Smedal Arne
Syvertsen Kare
Hitec Systems As
Marks & Clerk
LandOfFree
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