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Newcastle upon Tyne, United Kingdom

Patent
Wellstream International Ltd | Date: 2014-10-03

A riser or jumper assembly for transporting production, exportation or injection fluids is disclosed as is a method for providing buoyancy to such an assembly. The riser or jumper assembly includes a first segment of flexible pipe comprising a portion of flexible pipe body and a first and second end fitting, a further segment of flexible pipe comprising a portion of flexible pipe body and a first and second end fitting and an intermediate segment of flexible pipe comprising a portion of flexible pipe body and a first and second end fitting and at least one buoyancy element.


Patent
Wellstream International Ltd | Date: 2013-01-22

Apparatus and methods are disclosed relating to flexible pipe and composite tape. Flexible pipe body for a flexible pipe comprises an internal pressure sheath and at least one armour layer over the sheath comprising a wound tape of composite material. A method for manufacturing a composite tape is disclosed making use of a pultrusion process.


Patent
Wellstream International Ltd | Date: 2013-05-29

A connector assembly, riser assembly and method of producing a connector assembly are disclosed. The connector assembly includes a body portion for locating over a flexible pipe and arranged to be connectable to or formed integrally with one or more buoyancy compensating element, and one or more protrusion extending from the body portion and arranged to reduce or interrupt vortex induced vibrations in water surrounding the flexible pipe in use.


Patent
Wellstream International Ltd | Date: 2013-08-09

A first embodiment of a detection apparatus arranged to detect defects within a flexible pipe body comprises a signal generator, a receiver, a correlator and a processor. A second embodiment of a detection apparatus arranged to detect defects within a flexible pipe at least partially surrounded by seawater comprises an impedance monitor and a processor. Methods of detecting defects within a flexible pipe body, a pipeline apparatus and methods of forming pipeline apparatuses are also disclosed.


Patent
Wellstream International Ltd | Date: 2013-12-17

A method and apparatus are disclosed for testing one or more layers of a flexible pipe. The method includes the steps of applying a test cycle to a flexible pipe and simultaneously applying the same test cycle to a tubular test layer connected in an in-line configuration with the flexible pipe.

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