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Seal ring element

A sealing ring, element technology, used in fluid sealing. It can solve the problems of flexible pipe failure, joint separation, etc.

Inactive Publication Date: 2016-02-24
GE OIL & GAS UK LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This can lead to rotation at the seal interface and eventually to separation of the joint
This can cause failure of the flexible pipe

Method used

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Examples

Experimental program
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Effect test

Embodiment Construction

[0075] In the drawings, like reference numerals denote like parts.

[0076] Throughout this specification reference will be made to flexible pipes. It will be understood that a flexible pipe is an assembly of a pipe body and one or more end fittings in which respective ends of the pipe body are terminated. figure 1 It is shown how the tubular body 100 is formed from a composite of laminated materials forming a pressure containment conduit. although figure 1 A specific number of layers is shown, but it should be understood that the invention is broadly applicable to composite pipe structures comprising two or more layers.

[0077] Such as figure 1 As shown in , the tubular body 100 typically includes an innermost carcass layer 101 . The carcass provides an interlocking metal construction that can be used as the innermost layer to fully or partially prevent collapse of the internal pressure sheath 102 due to tube decompression, external pressure, tensile armor pressure, and ...

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PUM

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Abstract

A seal ring, a method of providing a fluid seal and end fitting are disclosed. The seal ring which provides a fluid seal between a polymer layer and an end fitting of a flexible pipe comprises an annular body that has a cross section comprising a first arm portion (500) and further arm portion (510) extending in a spaced apart relationship away from a body end portion (530).

Description

technical field [0001] The present invention relates to a method and apparatus for securing a flexible pipe body in an end fitting. In particular, but not exclusively, the present invention relates to the use of sealing rings to provide a fluid seal between a polymer layer of a flexible pipe body and an end fitting. Background technique [0002] Traditionally, flexible pipes are used to transport produced fluids, such as oil and / or gas and / or water, from one location to another. Flexible pipe is particularly useful in connecting a subsea location to a sea level location. Flexible pipe is generally formed as an assembly of segments of a flexible pipe body and one or more end fittings. The pipe body is typically formed as a composite of laminated materials that form a pressure containing conduit. The tube structure allows large deflections without causing bending stresses that impair the functionality of the tube over its lifetime. The pipe body is usually built up as a co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L17/08F16J15/02F16L33/01
CPCF16L17/08F16L33/01F16J15/02F16L33/18
Inventor A.P.罗伯茨Z.陈
Owner GE OIL & GAS UK LTD
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