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WO/2003/095787A2 |
A method and system for building modular platform structures from which oil and gas wells are drilled and maintained inludes a plurality of easily transportable, multifunctional platform modules (13) are interconnected on-site to form a ...
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WO/2003/093584A1 |
A method and vessel for manipulating an offshore construction, more in particular an offshore construction provided with a mast such as an offshore windmill, for the purpose of installation, maintenance, repair, replacement and the like,...
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WO/2003/092998A1 |
The invention provides a structure comprising two facing plates, wherein the two facing plates are positioned one on each side of a solid-state composition, which solid-state composition comprises in the range of from 70 to 99% by weight...
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WO/2003/080939A1 |
A foundation structure which is self supporting and can be installed on the seabed without the need for support cranes or vessels is generally depicted at 1, and comprises an elongate body 3 which is adapted to hold a wind turbine tower ...
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WO/2003/080425A1 |
The invention relates to a structure for the transport, installation and dismantlement of a bridge (2) of a fixed oil platform (1) for maritime use, characterized in that it comprises a floating U-shaped shell (11) fitted with at least t...
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WO/2003/074353A1 |
Method for transport and installation of objects at sea, particularly relating to transport and installation of obs jects that are part of the infrastructure in oil and gas fields offshore, the object (4) is put in the sea at a suitabl...
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WO2002048547A9 |
A method for placing at least one windmill on open water, wherein - the windmill is built up at least for the greater part on or near land and is supported in a stage (1); - the windmill with the stage is placed on a vessel (20) and tran...
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WO/2003/033342A1 |
The present invention concerns an offshore lifting construction with means for controllable buoyancy for the lifting of jackets (13) for offshore platforms. The lifting construction is designed such that it can be ballasted for raising a...
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WO/2003/014475A1 |
The object of this invention is to provide a pier-repairing and reinforcing panel and a method of repairing and reinforcing a pier using such panels. The panel includes locking members, locking ribs, reinforcing ribs, and clips. The meth...
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WO/2003/006306A2 |
A launchable rigid jacket (10) of an offshore platform has a structure including an exterior framing and a plurality of cross-sectional frame sections (46a,46b,46c,46d). The exterior framing has four outside legs (24a,24b,24c,24d), which...
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WO/2003/002827A1 |
A load-carrying modular structure assembled from 3-D structural modules constituting parallelepipeds with rectangular faces, the 3-D modules adjoining each other along said faces. The 3-D modules comprise reinforcing diagonal beams (RDBs...
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WO2002084031B1 |
In a mobile offshore dwelling units (MODU) jacking system (21) a plurality of hydraulic continuous linear motion motors (30) are engaged with a plurality of MODU supporting legs (22) to provide relative motion between the MODU platform a...
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WO/2002/101156A1 |
A method of reinforcing an offshore installation (1), preferably a platform deck, when one or more of the natural support point(s)/lifting point(s) (2) of the installation is (are) missing in connection with mounting/disassembling and tr...
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WO/2002/095139A1 |
The object of the invention is an offshore foundation structure, the shell structure (1) of which is thin in relation to the diameter of the structure, and the shell structure (1) is filled with soil (7), and that the braced ring footing...
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WO/2002/095138A1 |
A pile based braced caisson structural support device includes a number of legs (12). These legs (12) are configured in a teepee type configuration such that the footprint of the base is larger than the footprint of the opposing end. Thi...
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WO/2002/087964A1 |
Storage system for oil and condensate, preferably for use in a floating or fixed platform structure. The storage system consists of at least a storage tank (1) which is provided with a filling/discharge system (2) at the top and a commun...
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WO/2002/079024A2 |
A system useful in stabilizing a vessel. The vessel includes, but is not limited to, a first leg (12), a second leg (14), a third leg (16) and a platform (10) coupled to the first, second, and third legs. The system can include a first b...
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WO/2002/046537A1 |
Offshore platform comprising a bottom structure (1) comprising a polygonal base (5) resting on the sea floor (2) having suction piles (10) joined to its corners and a first support frame (8) connected to the polygonal base (5) including ...
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WO/2002/018898A1 |
A method for detecting the ingress of liquid into an empty elongate hollow structure such as a support for an offshore platform which is at least in part submerged in a liquid. Sound is introduced into the structure by a sound generating...
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WO/2002/010589A1 |
A wind powered generator (1) for locating offshore comprises a semi-submersible structure (5) with a mast (6) extending upwardly therefrom for carrying a wind turbine (3). A primary buoyancy chamber (16) is formed in the semi-submersible...
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WO/2002/010548A1 |
A pad for an subsea installatin in connection with petroleum-related drilling operations, in which a flexible mat (10), or a number of flexible mats (10), arranged to prevent the whirling up of bottom sludge, is placed underneath the sub...
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WO/2002/004287A1 |
A method of installing a deck on an offshore support structure includes the steps of transferring the deck (3) onto a first vessel (1), bringing the first vessel (1) into the vicinity of a second vessel (2), connecting the first vessel (...
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WO/2001/096668A1 |
An ice composite body (10) has an inner ice core (11) and a protective outer armour shell (12). The outer armour shell (12) consists of a base section (13), side sections (14) and a separate top section (15), which is free to move vertic...
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WO/2001/090487A1 |
A method to transport a deck (10) at sea and install the deck (10) on an offshore substructure (34). The deck (10) is completely fabricated on a set of deep girders (16). The deck (10) and deep girders (16) are skidded onto two pontoons ...
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WO/2001/088278A1 |
The invention relates to water engineering and is directed at developing a continental shelf with a view to producing and further refining of hydrocarbonaceous substances. The inventive artificial island comprises an overtopping offshore...
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WO/2001/086074A1 |
The invention relates to a method and a device for the removal of the upper section of an offshore platform substructure. According to the invention, the upper section is lifted from the substructure by means of lifting gear and the uppe...
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WO/2001/083290A1 |
The invention relates to a watercraft for providing maintenance to a wind energy facility, which is characterized by a stabilization device consisting of a plurality of support columns (36) placed in the hull (32) of the craft in such a ...
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WO/2001/077563A1 |
An underwater cladding (12) for a pipe (10) or other elongate member is formed from syntactic foam and has one or more external helical strakes (24) to interrupt or reduce vortex induced vibrations. The cladding may be formed from a seri...
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WO/2001/072582A1 |
A device for lifting a seagoing construction such as a drilling rig, which device comprises one or more floater bodies (1), one or more beam-like lifting members (10) supported movably on a floater body and running parallel or practicall...
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WO/2001/071105A1 |
A foundation according to the invention for offshore facilities, preferably at shallow depths, has a substantially bell-shaped bottom part (1) of steel plate with a central cavity (21) and peripheral pressure tight chambers (25) which ar...
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WO/2001/071104A1 |
An apparatus and method for pressurizing tubular members (13, 14) of an offshore structure (12) immersed in seawater so that the internal pressure resists the hydrostatic pressure of the seawater. To achieve this internal pressure, compr...
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WO/2001/068443A1 |
The invention relates to a supporting device, in particular for assembling or dismantling an offshore-platform (1), comprising an articulated supporting arm (20) which can be displaced by the horizontal pivoting of its two jointed arms (...
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WO/2001/061114A1 |
A method is disclosed for disposing of an offshore platform jacket (8) by suspending the jacket in one piece under a tow vessel (10), towing it to the disposal site and releasing the jacket at the disposal site. Once the jacket foundatio...
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WO2000044509A9 |
Cleaning device for cleaning of fouling from tube-shaped subsea structures, in particular floating collars for fish rearing units, with a carrier holding one or more motorized brushes, that rota tes on the fouling surfaces. It comprises ...
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WO/2001/055513A1 |
A jack-up platform comprising a deck structure, a column with a base structure and a jack-up system for moving the column and the deck structure relative to each other. The base structure comprises a base and at least three base supporti...
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WO/2001/053610A1 |
The invention relates to a leg assembly for an offshore structure, such as a self-elevating jack-up rig. The leg assembly has a pair of parallel leg chords (40, 42) divided into a plurality of sections by transverse bracing members (46)....
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WO/2001/053609A1 |
A method of removing a deck from an offshore structure (11) including a deck (13) supported on a jacket (12), includes the following steps: a) positioning a floating vessel (10) around the jacket with respective parts of the vessel on op...
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WO/2001/040581A1 |
The invention provides a substructure (111) to form part of a fixed offshore platform, the substructure having at least one foundation element (116) adapted to rest in or on the seabed (117), a structural component (112) configured to ex...
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WO/2001/034977A1 |
A method and a system for installing an offshore wind power station (1) at sea and/or transporting one from sea e.g. for maintenance, said wind power station comprising a base (2) to be set on the sea bottom, and a tower (3) attached to ...
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WO/2001/027394A1 |
The invention relates to a method of dismantling a drilling island, production platform or the like, that comprises a construction above the surface of the sea and a supporting structure with legs, carrying the construction and resting o...
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WO/2000/078604A1 |
A lifting vessel (1) consisting of a lower U-shaped pontoon foundation (2a, 2b, 2c), a number of vertical columns (5) attached to the pontoon foundation and extending upwards and through the water surface, and each column (5) being free-...
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WO/2000/077306A1 |
A method for removing a jacket of a drilling or production rig using a vessel provided with a deck, comprising of manoeuvring the vessel close to the jacket, hoisting the jacket and tilting the jacket relative to a tilting point located ...
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WO/2000/075010A1 |
A device for positioning and lifting a marine structure, particularly a platform deck, with the use of a U-shaped lifting vessel (1). The device has at least two adjustable lifting frames (12, 12), each able to incline towards the middle...
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WO/2000/068514A1 |
A partial helical strake system (10) for suppressing vortex induced vibration in a cylindrical structure deployed in a marine application is provided. The system comprises a base (12) connected to the cylindrical structure (11), and at l...
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WO/2000/056982A1 |
A system for use in performing maintenance work on an unmanned offshore platform, comprising a sea-going support craft (22) for transporting a maintenance crew to the platform (23) for performing maintenance work on the platform, a power...
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WO/2000/040806A2 |
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 d...
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WO/2000/034590A1 |
A drilling vessel for selectively drilling two or more wells from a single location of the vessel, comprising a buoyant hull (2) having a deck (17), including ballasting devices (3) in the hull for allowing the vessel to be stabilized on...
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WO/2000/031360A1 |
Reinforcement of structures in high moisture environments is achieved by applying reinforcement layers which include a fabric portion (34) and an uncured resin portion (56) where the uncured resin contains a conversion agent and a thicke...
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WO/2000/031349A1 |
A buoyantly moveable, self-elevating (jack-up) artificial work island or platform self-assembled while floating upon a work body of water by reversibly coupling together a plurality of independently buoyant modular hull components (20, 3...
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WO/2000/028153A1 |
An offshore structure (10) which is resistant to wave, earthquake and ice loads and can be quickly installed and abandoned in response to changing environmental conditions is disclosed. The structure includes a caisson having an upper se...
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