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Flexible pipe having pressure armour layer and components thereof

A technology of flexible pipes and components, applied in the field of flexible pipes, can solve problems such as limitations, difficulty in obtaining contours, and constraints on cable aspect ratios, and achieve high burst pressure, improved strip stability, and large external hydrostatic pressure effects

Active Publication Date: 2015-03-11
GE OIL & GAS UK LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, the cable profile of the pressure armor constrains the aspect ratio of the cable, making it difficult to obtain a profile with a relatively large height
Constraints on the cable aspect ratio limit the internal and / or external pressure the tube can withstand

Method used

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  • Flexible pipe having pressure armour layer and components thereof
  • Flexible pipe having pressure armour layer and components thereof
  • Flexible pipe having pressure armour layer and components thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0030] This manual introduces flexible pipes. It should be understood that flexible pipe is an assembly of a portion of a pipe body and one or more end fittings, the ends of the pipe body terminating in each end fitting. figure 1 One embodiment according to the present invention shows how the flexible pipe body 100 can be formed from the composite layered materials making up the pressure containing conduit. Although in figure 1 Several specific layers are shown in , but it should be understood that the invention is broadly applicable to composite pipe structures comprising two or more layers. Note also that the layer thicknesses shown are for illustration purposes only.

[0031] Such as figure 1 As shown, the tubular body includes an innermost carcass layer 110 and a pressure sheath 120 . The carcass 110 provides an interlocking metallic construction that can be used as the innermost layer to fully or partially prevent the internal pressure sheath 120 from collapsing due t...

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PUM

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Abstract

An elongate metallic or polymeric or composite tape is disclosed along with a method of manufacturing such tape. The tape is of a type suitable for forming at least one helically wound layer of interlocked windings in a flexible pipe body for transporting production fluids. The tape is configured for interlocking of adjacent windings in the layer of tape by nesting a hooked region of a winding in a valley region of an adjacent winding. The tape comprises first and second elongate tape elements arranged in contacting relation.

Description

technical field [0001] The present invention relates to flexible pipes that can be used to convey fluids, such as product fluids and the like. In particular, but not exclusively, the invention relates to a flexible pipe body and a method for manufacturing a flexible pipe body having layers formed by interlocking helically wound strips of adjoining windings. Background technique [0002] Traditionally, flexible pipes have been used to transport product fluids such as oil and / or gas and / or water from one location to another. Flexible pipe is particularly useful when connecting a subsea location to another subsea location or a sea level location. Flexible pipe is generally formed as an assembly of a length of flexible pipe body and one or more end fittings. The pipe body is generally formed as layers of composite tubular material constituting the fluid and pressure containing conduit. The tube structure allows for substantial deformation without causing bending stresses that...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L11/08F16L11/16
CPCY10T428/24479Y10T428/24612Y10T428/24521F16L11/082E21B17/01F16L11/16Y10T428/12389Y10T137/0318
Inventor G.S.格雷厄姆
Owner GE OIL & GAS UK LTD