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1. WO2000040806 - METHOD FOR CONSTRUCTING AN OFFSHORE PLATFORM

Publication Number WO/2000/040806
Publication Date 13.07.2000
International Application No. PCT/US2000/000312
International Filing Date 06.01.2000
Chapter 2 Demand Filed 18.07.2000
IPC
B63B 35/44 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
35Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
44Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
CPC
B63B 1/041
BPERFORMING OPERATIONS; TRANSPORTING
63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
1Hydrodynamic or hydrostatic features of hulls or of hydrofoils
02deriving lift mainly from water displacement
04with single hull
041with disk-shaped hull
B63B 75/00
BPERFORMING OPERATIONS; TRANSPORTING
63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
75Building or assembling floating offshore structures, e.g. semi-submersible platforms, SPAR platforms or wind turbine platforms
E02B 17/00
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
BHYDRAULIC ENGINEERING
17Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs ; or offshore constructions; Construction methods therefor
E02B 17/0021
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
BHYDRAULIC ENGINEERING
17Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs ; or offshore constructions; Construction methods therefor
0017Means for protecting offshore constructions
0021against ice-loads
E02B 2017/0069
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
BHYDRAULIC ENGINEERING
17Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs ; or offshore constructions; Construction methods therefor
0056Platforms with supporting legs
0069Gravity structures
Applicants
  • EXXONMOBIL UPSTREAM RESEARCH COMPANY [US/US]; 3120 Buffalo Speedway P.O. Box 2189 Houston, TX 77252-2189, US
Inventors
  • RUNGE, Karl, H.; US
  • DAVENPORT, George, F.; US
Agents
  • CASAMASSIMA, Salvatore, J. ; ExxonMobil Upstream Research Company 3120 Buffalo Speedway P.O. Box 2189 Houston, TX 77252-2189, US
Priority Data
60/115,08507.01.1999US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHOD FOR CONSTRUCTING AN OFFSHORE PLATFORM
(FR) PROCEDE DE CONSTRUCTION D'UNE PLATEFORME EN MER
Abstract
(EN)
This invention provides a method for constructing an offshore platform by mating a self-floating deck (50) structure with a self-floating substructure. The self-floating deck structure may be a floating pier or barge (40), on which the desired equipment has been mounted. Mating is achieved by at least partially submerging the substructure, positioning the pier or barge (40) above it, and deballasting the substructure to create a vertical bearing force between the substructure and the pier or barge (40). Horizontal force may be transmitted between the deck (50) and substructure by a variety of mechanical, structural, and magnetic means.
(FR)
La présente invention concerne un procédé de construction d'une plateforme en mer, lequel consiste à joindre une structure de pont auto-flottante à une sous structure auto-flottante. Cette structure de pont auto-flottante peut être un quai flottant ou une barge, sur lequel le matériel souhaité a été monté. On réalise la jonction en immergeant au moins partiellement la sous structure, en positionnant le quai ou la barge au dessus de cette dernière, et en déballastant la sous structure de façon à induire une force d'appui verticale entre la sous structure et le quai ou la barge. Une force horizontale peut être transmise entre le pont et la sous structure par divers moyens mécaniques, structurels et magnétiques.
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