GB2301416A - Improvements in or relating to fluid pipelines - Google Patents

Improvements in or relating to fluid pipelines

Info

Publication number
GB2301416A
GB2301416A GB9617561A GB9617561A GB2301416A GB 2301416 A GB2301416 A GB 2301416A GB 9617561 A GB9617561 A GB 9617561A GB 9617561 A GB9617561 A GB 9617561A GB 2301416 A GB2301416 A GB 2301416A
Authority
GB
United Kingdom
Prior art keywords
pipe
polymer
corrosion resistant
hub
welded
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB9617561A
Other versions
GB2301416A8 (en
GB9617561D0 (en
GB2301416B (en
Inventor
John Duncan Cruickshank
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Technip UK Ltd
Original Assignee
Coflexip Stena Offshore Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB9403228A external-priority patent/GB9403228D0/en
Priority claimed from GB9421404A external-priority patent/GB9421404D0/en
Priority claimed from GB9422086A external-priority patent/GB9422086D0/en
Priority claimed from PCT/GB1995/000344 external-priority patent/WO1995022713A1/en
Priority to GB9617561A priority Critical patent/GB2301416B/en
Application filed by Coflexip Stena Offshore Ltd filed Critical Coflexip Stena Offshore Ltd
Publication of GB9617561D0 publication Critical patent/GB9617561D0/en
Publication of GB2301416A publication Critical patent/GB2301416A/en
Publication of GB2301416A8 publication Critical patent/GB2301416A8/en
Publication of GB2301416B publication Critical patent/GB2301416B/en
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L58/00—Protection of pipes or pipe fittings against corrosion or incrustation
    • F16L58/02—Protection of pipes or pipe fittings against corrosion or incrustation by means of internal or external coatings
    • F16L58/04—Coatings characterised by the materials used
    • F16L58/10—Coatings characterised by the materials used by rubber or plastics
    • F16L58/1009—Coatings characterised by the materials used by rubber or plastics the coating being placed inside the pipe
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
    • F16L13/02—Welded joints
    • F16L13/0254—Welded joints the pipes having an internal or external coating
    • F16L13/0263—Welded joints the pipes having an internal or external coating having an internal coating

Abstract

Means for securing a polymer pipe liner (14, 16) to the inner surface of a pipe comprises an end piece (100, 101) consisting of a hub portion (102) and a corrosion resistant metallic insert (104). The polymer hub is fusion welded to the end of the liner, and the metallic insert is seal welded portion of the inner surface of the pipe clad with corrosion resistant material (22) at a distance from the outer end of the pipe. The clad portion may be provided by a pup piece (18, 20) welded to the end of the pipe. This arrangement allows two lengths of lined pipes to be joined by welding with a continuous corrosion resistant internal surface, without damage to the polymer pipe linings and in a manner which allows an assembled pipe string to be spooled onto a reel for subsequent pipelaying operations. In the preferred embodiment, the metal insert is screw-threaded to the polymer hub with an elastomeric seal (110) therebetween, which provides a secondary seal between the end piece and the pipe wall. An alternative means of terminating a polymer lining sleeve for other purposes, such as a flange-type pipe joint, is also disclosed.
GB9617561A 1994-02-19 1995-02-17 Improvements in or relating to fluid pipelines Expired - Lifetime GB2301416B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9617561A GB2301416B (en) 1994-02-19 1995-02-17 Improvements in or relating to fluid pipelines

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB9403228A GB9403228D0 (en) 1994-02-19 1994-02-19 Improvements in or relating to fluid pipelines
GB9421404A GB9421404D0 (en) 1994-10-21 1994-10-21 Improvements in or relating to fluid pipelines
GB9422086A GB9422086D0 (en) 1994-11-02 1994-11-02 Improvements in or relating to fluid pipelines
GB9617561A GB2301416B (en) 1994-02-19 1995-02-17 Improvements in or relating to fluid pipelines
PCT/GB1995/000344 WO1995022713A1 (en) 1994-02-19 1995-02-17 Improvements in or relating to fluid pipelines

Publications (4)

Publication Number Publication Date
GB9617561D0 GB9617561D0 (en) 1996-10-02
GB2301416A true GB2301416A (en) 1996-12-04
GB2301416A8 GB2301416A8 (en) 1997-06-23
GB2301416B GB2301416B (en) 1997-08-06

Family

ID=27451120

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9617561A Expired - Lifetime GB2301416B (en) 1994-02-19 1995-02-17 Improvements in or relating to fluid pipelines

Country Status (1)

Country Link
GB (1) GB2301416B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2384535A (en) * 2002-01-26 2003-07-30 Coflexip Stena Offshore Ltd Heat resistant insert.

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129897A (en) * 1982-11-10 1984-05-23 Barnard Pipeline Technology Li Joining pipes
US4792493A (en) * 1986-10-07 1988-12-20 Bertram Richard L Corrosion resistant coating and liner combination
EP0366299A2 (en) * 1988-10-25 1990-05-02 The Welding Institute Joining lined pipe

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129897A (en) * 1982-11-10 1984-05-23 Barnard Pipeline Technology Li Joining pipes
US4792493A (en) * 1986-10-07 1988-12-20 Bertram Richard L Corrosion resistant coating and liner combination
EP0366299A2 (en) * 1988-10-25 1990-05-02 The Welding Institute Joining lined pipe

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
FR1199181 A *
FR1243165 A *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2384535A (en) * 2002-01-26 2003-07-30 Coflexip Stena Offshore Ltd Heat resistant insert.
GB2384535B (en) * 2002-01-26 2005-06-29 Coflexip Stena Offshore Ltd A protective insert for a welded pipe joint

Also Published As

Publication number Publication date
GB2301416A8 (en) 1997-06-23
GB9617561D0 (en) 1996-10-02
GB2301416B (en) 1997-08-06

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20150216