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WO/2021/243305A1 |
Techniques for implementing and/or operating a system that includes a pipe fitting to be secured to a pipe segment, in which the pipe fitting includes a grab ring having a grab notch and a fitting jacket to be conformally deformed around...
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WO/2021/243306A1 |
Techniques for implementing and/or operating a system that includes a pipe fitting to be secured to a pipe segment, in which the pipe fitting includes a grab ring having a grab notch and a fitting jacket to be conformally deformed around...
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WO/2021/232484A1 |
Provided is an underwater positioning method for a large-diameter ultra-long HDPE pipe, which can complete accurate underwater pipe positioning by using general simple devices, such as several positioning cables (200), windproof cables (...
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WO/2021/232479A1 |
An underwater repairing method for a large-diameter HDPE pipeline. The method comprises: using a semicircular clamp hoop (300) cooperated with concrete encapsulation to fix a rubber plate (700) to a pipeline to be repaired (200); winding...
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WO/2021/232480A1 |
An offshore mooring and positioning method for a large-diameter HDPE pipeline, which method can complete the offshore mooring and positioning of a pipe segment (100) by using general simple devices such as a positioning steel pipe pile (...
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WO/2021/232478A1 |
An underwater closure method for a large-diameter HDPE pipeline, comprising: increasing the length of a closure pipe section (100) by utilizing the flexibility of the pipeline; reversely pulling multi-section arcs from a sea-side mounted...
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WO/2021/233979A1 |
A pipe positioning and welding combination comprises a pipe positioner and a welder, for manipulating ends of pipes to be welded and welding the pipe ends together. The pipe positioner comprises a main beam and a pair of grapples mounted...
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WO/2021/232477A1 |
An offshore large-diameter high-density polyethylene (HDPE) pipeline weld junction loosening handling method, comprising the following steps: S1, preparing a transportation track, a winch, an excavator, a transportation trolley, a crane ...
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WO/2021/233577A1 |
Apparatus and methods for connecting a first subsea component (1000, 1220) with a further subsea component (1310) are disclosed. The apparatus for connecting the first component (1000, 1220) with the further component (1310) comprises a ...
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WO/2021/232482A1 |
A real-time monitoring system for a large-diameter ultra-long HDPE pipeline floating transportation line, the system comprising a floating transportation pipe segment (100), a first ship (200) and a second ship (300), wherein a plurality...
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WO/2021/219998A1 |
A structure such as a pipeline bundle is pulled into or through shallow water, for example when launching the structure, by applying a tensile pulling force to the structure through rigging that extends to the structure from a winch of a...
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WO/2021/211830A1 |
A subsea skid (100) includes a plurality of skid tubes (101-112), and a plurality of skid joints (130-135) coupled between the plurality of skid tubes (101-112). The plurality of skid tubes (101-112) and the plurality of skid joints (130...
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WO/2021/210944A1 |
The present invention relates to a geothermal system comprising a multitube vertically-sealed underground heat-exchanger and a method for installing same. The geothermal system comprising a multitube vertically-sealed underground heat-ex...
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WO/2021/189122A1 |
A subsea catenary riser comprises a rigid riser pipe that is suspended from a floating support on the surface and extends through a sagbend to the seabed. A hang-off interface allows rotation or pivoting of the riser pipe relative to the...
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WO/2021/191475A1 |
A lifting system (10) for a subsea pipeline (18) comprises paired subsea foundations (20) that are spaced apart from each other to define a gap between them through which the pipeline extends. A removable lifting frame (12) is mounted on...
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WO/2021/194344A1 |
A method for laying a pipeline on a seabed in order to provide controlled thermal expansion, comprising: feeding the pipeline (1) from a pipeline reel (2) through a straightener system (5); and at the straightener system (5), imparting a...
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WO/2021/194355A1 |
In various examples, a remote operated underwater vehicle, ROV, is provided, where the ROV includes at least one extendible pair of tubulars supported on the ROV, the one tubular of the pair being movable longitudinally relative to the o...
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WO/2021/178391A1 |
Techniques for implementing a pipe deployment system that includes a pull head, which is to be secured to a pipe segment that includes tubing. The pull head includes a pull plate with a guide tab and a pull plate fastener opening. The pu...
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WO/2021/170689A1 |
A subsea pipeline (14) has a friction-reducing outer coating, treatment or finish (30) that extends along discrete regions mutually spaced along the length of the pipeline. During laying, curvature is imparted to the pipeline (14) along ...
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WO/2021/165668A1 |
A buoyancy module (10, 12, 14 ) configured for mounting on an elongate underwater member (16) and provided with a sensor module dock (32) for receiving and releasably retaining a sensor module (30).
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WO/2021/168021A1 |
A pull head assembly for quick attachment to a flexible pipe body is provided. The pull head assembly has three subsections. A collet assembly is mounted to the end of a flexible pipe. A mandrel assembly is adapted to cover the collet as...
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WO/2021/165669A1 |
The invention concerns a cladding (10) for an elongate member to be deployed underwater, the cladding comprising multiple cladding sections (12, 26) each being configured to receive the elongate member and each having proximal and distal...
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WO/2021/163586A1 |
Aspects of the disclosure relate to articulated stinger apparatus and methods, and associated components thereof, for offshore pipeiay operations, In one implementation, a stinger assembly for offshore pipe!ay operations includes a hitch...
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WO/2021/161258A1 |
An apparatus for joining elongated elements in a body of water has a frame (19); a strap feeding device (32); two arms (20) movable with respect to the frame (19) and configured to guide a strap (R) around the elongated elements (2, G); ...
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WO/2021/163405A1 |
Aspects of the present disclosure relate to methods of conducting lifting operations and lowering operations for pipeline that is laid offshore in relation to oil and gas operations. In one implementation, a method of lifting a pipeline ...
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WO/2021/160349A1 |
In a method for setting up a pipeline section (6) of a pipe system in a heat network, which is provided for the purpose of transferring a heat transfer fluid between a heat provider and at least one heat consumer, the pipeline section (6...
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WO/2021/156606A1 |
A flexible-elongate-element clamp (12) for holding a flexible elongate element when overboarding or onboarding the flexible elongate element from or to a vessel (14). The clamp (12) comprises at least two clamp elements (26) for clamping...
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WO/2021/156674A1 |
A pad for a track-type tensioner comprises an interface layer made up of a plurality of rigid elements that together define a contact face of the pad for gripping a pipeline or other elongate product supported by the tensioner in use. A ...
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WO/2021/148802A1 |
A spring (5;105;205;305;404;505) for a clamp suitable for attachment to a tubular member, the spring comprising a resilient body (6;106;206;306;406;506) having first and second ends (8;108;208;308;408;508) and an internal surface (7;107;...
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WO/2021/148479A2 |
The present invention relates to an assembly for installing a pile in a seabed, the assembly comprising a vessel comprising a positioning system for keeping the vessel at an installation location relative to the seabed, the positioning s...
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WO/2021/140217A1 |
The invention relates to pile upending and holding system configured to be mounted on a vessel, e.g. for installation of a pile adapted to support an offshore wind turbine. The system comprises a pile holder having at least on ring for e...
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WO/2021/130472A1 |
A method and apparatus for selective connection of a first fluid communication region to a further fluid communication region at a subsea location and a flexible pipe are disclosed. The apparatus comprises a valve body that includes a pr...
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WO/2021/130376A1 |
The cover (20) comprises a deformable casing (40), intended to be placed around the submerged element. The deformable casing (40) has an internal volume (44). The cover (20) comprises: - a plurality of insulating elements (46) arranged i...
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WO/2021/123350A1 |
A transition section (10) disposed between successively-spoolable electrically trace-heated PiP pipelines (12) comprises an inner pipe, an outer pipe and an annulus between the inner and outer pipes. The annulus contains heating cables (...
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WO/2021/124176A1 |
An improved pipe laying apparatus is provided for lifting and manoeuvring pipes to be laid in a trench. The improved apparatus includes a generally C-shaped body and clamping member to support the weight of the pipe and hold the pipe in ...
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WO/2021/127553A1 |
Techniques for implementing a pipeline system that includes a pipe segment deployed on an inclined surface, in which the pipe segment includes tubing that defines a bore and a fluid conduit implemented in an annulus of the tubing, a pipe...
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WO/2021/116171A1 |
The present invention relates to a method for joining a first metal pipe with a second metal pipe, the pipes being joined together in an overlapping area by use of a two- component polyurethane adhesive that encapsulates the overlapping ...
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WO/2021/116452A1 |
A subsea pipeline (10) of pipe-in-pipe configuration comprises an inner pipe (14), an outer pipe (16) spaced radially from the inner pipe and an annulus (20) defined by the radial spacing between the inner and outer pipes. A series of lo...
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WO/2021/113114A1 |
ABSTRACT A bracket for a hose of a vehicle system. The bracket having a hook and a mounting segment. The hook allows free movement of the hose while cradling the hose to prevent the hose from rubbing against abrasive or high temperature ...
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WO/2021/099998A1 |
An article (e.g. film, tape or pipe) is described comprising a microstructured surface. The microstructured surface comprises a thermoplastic polymer; and a block copolymer additive comprising a poly(alkylene)oxide block having a molecul...
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WO/2021/101886A1 |
A system and method for increasing friction between cables and surrounding soil is disclosed. In particular, a cable apparatus for use in a sub-surface protective network of intertwined cables is provided which comprises an elongate rein...
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WO/2021/101387A1 |
Method for connecting a termination hub (201a) to a porch hub (101a) at a subsea location by using a subsea fluid connection system (1). The connection system (1) comprises a porch part (100) with the porch hub (101a), a termination part...
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WO/2021/100344A1 |
An inversion vessel 1 which: has an opening section 50 located in the lower section thereof and provided with an opening through which it is possible for a lining material to pass 20; and is equipped with an inversion nozzle 4 in the upp...
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WO/2021/094718A1 |
A method of manufacturing an armour layer of a flexible pipe for transporting fluid from a subsea location and apparatus are provided. The method comprises winding a first length of composite tape to form a first section of the armour la...
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WO/2021/094840A1 |
According to the present invention, there is provided a pipe forming apparatus for forming a pipe at an installation site. The apparatus includes a former upon which material is wound, and a mold for receiving the former bearing the woun...
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WO/2021/094644A1 |
An outer pipe (100) formed from a crystallized plastic material for forming an outer jacket of a coaxial heat transfer piping has a first operating form in which, in a cross-section of the outer pipe, a main part of a wall of the outer p...
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WO/2021/097029A1 |
Aspects of the present disclosure relates to methods of making a hybrid mechanically lined pipe, and apparatus thereof, such as lined pipe used for reeled pipe operations. In one implementation, a method of making a lined pipe for reeled...
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WO/2021/089505A1 |
The present invention relates to an offshore installation comprising a flexible pipe, said flexible pipe comprises from the inside and out an internal pressure sheath, one or more armor layers and an outer sheath, and at least one length...
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WO/2021/088562A1 |
An underwater laying device for a marine oil and gas pipeline. Taking a steel cuboid as a body (1), a first mud plough rake (2), a first mud plough hoe (3), a second mud plough rake (4), a second mud plough hoe (5), and a mud transport p...
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WO/2021/078899A1 |
A floating power-generation group comprises a floating hub such as a spar buoy that is anchored to subsea foundations by anchor lines. Floating power producer units such as wind turbines are connected electrically and mechanically to the...
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