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1. (WO1992010398) SEMI-SUBMERSIBLE PLATFORM WITH POROUS PONTOONS
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1992/010398 International Application No.: PCT/FR1991/000963
Publication Date: 25.06.1992 International Filing Date: 02.12.1991
IPC:
B63B 35/44 (2006.01) ,B63B 39/00 (2006.01) ,B63B 39/06 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
63
SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
B
SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
35
Vessels or like floating structures adapted for special purposes
44
Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
B PERFORMING OPERATIONS; TRANSPORTING
63
SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
B
SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
39
Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
B PERFORMING OPERATIONS; TRANSPORTING
63
SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
B
SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
39
Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
06
to decrease vessel movements by using foils acting on ambient water
Applicants:
INSTITUT FRANÇAIS DU PETROLE [FR/FR]; 4, avenue de Bois-Préau F-92502 Rueil-Malmaison, FR (AllExceptUS)
MOLIN, Bernard [FR/FR]; FR (UsOnly)
Inventors:
MOLIN, Bernard; FR
Common
Representative:
INSTITUT FRANÇAIS DU PETROLE; 4, avenue de Bois-Préau F-92502 Rueil-Malmaison, FR
Priority Data:
90/1574913.12.1990FR
Title (EN) SEMI-SUBMERSIBLE PLATFORM WITH POROUS PONTOONS
(FR) PLATE-FORME SEMI-SUBMERSIBLE A PONTONS POREUX
Abstract:
(EN) Semi-submersible platform comprised particularly of semi-immersed columns and totally immersed elongate elements or pontoons (4) having a substantially horizontal axis, at least some of them having porous walls, the porosity being obtained by a large number of small holes in said walls. The porosity degree, in other words the ratio between the total surface of the holes and the total surface of the walls is preferably at the most equal to 30 %.
(FR) Plate-forme semi-submersible constituée notamment de colonnes semi-immergées et d'éléments allongés, ou pontons, d'axe sensiblement horizontal, totalement immergés (4), dont certains au moins présentent des parois poreuses, la porosité étant réalisée par un grand nombre de petites ouvertures dans lesdites parois. Le taux de porosité, c'est-à-dire le rapport de la surface totale des ouvertures à la surface totale des parois est de préférence au plus égal à 30 %.
Designated States: BR, GB, NO, US
Publication Language: French (FR)
Filing Language: French (FR)
Also published as:
NO19923155