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NO974456L - Device for handling elongated elements - Google Patents

Device for handling elongated elements

Info

Publication number
NO974456L
NO974456L NO974456A NO974456A NO974456L NO 974456 L NO974456 L NO 974456L NO 974456 A NO974456 A NO 974456A NO 974456 A NO974456 A NO 974456A NO 974456 L NO974456 L NO 974456L
Authority
NO
Norway
Prior art keywords
pipeline
arcuate
operations
arcuate path
bent tube
Prior art date
Application number
NO974456A
Other languages
Norwegian (no)
Other versions
NO974456D0 (en
Inventor
Stephen John Roberts
Robert George Martin
Alain Coutarel
Dominique Perreau-Saussine
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 GBGB9506428.3A external-priority patent/GB9506428D0/en
Priority claimed from GBGB9521641.2A external-priority patent/GB9521641D0/en
Application filed by Coflexip Stena Offshore Ltd filed Critical Coflexip Stena Offshore Ltd
Publication of NO974456D0 publication Critical patent/NO974456D0/en
Publication of NO974456L publication Critical patent/NO974456L/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H51/00—Forwarding filamentary material
    • B65H51/14—Aprons, endless belts, lattices, or like driven elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/03—Pipe-laying vessels
    • 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
    • F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/12—Laying or reclaiming pipes on or under water
    • F16L1/20—Accessories therefor, e.g. floats or weights
    • F16L1/202—Accessories therefor, e.g. floats or weights fixed on or to vessels
    • 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
    • F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/12—Laying or reclaiming pipes on or under water
    • F16L1/20—Accessories therefor, e.g. floats or weights
    • F16L1/235—Apparatus for controlling the pipe during laying

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Pipeline Systems (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

Forbedringer angående en innretning for avledning av en rørledning eller et annet langstrakt element rundt en bue- formet bane, særlig for avledning av en stiv rørledning (300) fra en horisontal montasjeakse til en ønsket sjosettings- vinkel fra et marint rørleggingsfartøy (44), omfatter følgende: benyttelse av en spiralformet, bueformet rørlednings- bane som setter rørledningen (300) i stand til å krysse seg selv forut for sjøsetting; benyttelse av flere rulle- banemontasjer (302) av traktorbeltetype for å danne den bueformede rørlednings- bane; en metode for innledning av rør- leggingsoperasjoner ved å fastgjøre en på forhånd bøyd rørlengde (314) til den fremre ende av rørledningen (300) og trekke rørledningen rundt den bueformede bane ved hjelp av en begynnelseskabel (312) som er festet til den fremre ende av det på forhånd bøyde rør, og fjerning av begynnelseskabelen (312) og det på forhånd bøyde rør (314) før igangsetting av rørleggingsoperasjoner; og en metode for avbrytelse av rørleggingsoperasjoner ved å forskyve rørledningen (300) radialt utover fra sin bueformede bane, hvoretter rørledningen kan fastspennes og kuttes, slik at en oppgivelses- og gjenvinnings-(0&G-)l<abel (322) tillates å føres rundt den bueformede bane for O&G-operasjoner. Innretningen tillater rørledningen (300) å bøyes plastisk i et i hovedsaken vertikalt plan for å avlede rørledningen fra sin opprinnelige, hori- sontale orientering til en variabel sjøsettingsvinkel på opp til 90°, og er egnet for bruk på marine rørleggingsfar- tøyer (44) som også er beskrevet.Improvements regarding a pipeline or other elongate element deflection device around an arcuate path, in particular for deflecting a rigid pipeline (300) from a horizontal mounting axis to a desired launch angle from a marine piping vessel (44), comprise the following: use of a helical, arcuate pipeline path which enables the pipeline (300) to cross itself prior to launch; use of multiple tractor belt type roller assemblies (302) to form the arcuate pipeline track; a method of initiating piping operations by attaching a pre-bent tube length (314) to the forward end of the pipeline (300) and pulling the pipeline around the arcuate path by means of an initial cable (312) attached to the forward end of the pre-bent tube, and the removal of the starting cable (312) and the pre-bent tube (314) prior to initiation of plumbing operations; and a method of interrupting plumbing operations by displacing the pipeline (300) radially outward from its arcuate path, whereafter the pipeline can be clamped and cut, allowing a abandonment and recovery (0 & G) l <abel (322) to pass around the arcuate path for O&G operations. The device allows the pipeline (300) to bend plastically in a substantially vertical plane to divert the pipeline from its original horizontal orientation to a variable launch angle of up to 90 °, and is suitable for use on marine pipeline vessels (44). which is also described.

NO974456A 1995-03-29 1997-09-26 Device for handling elongated elements NO974456L (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9506428.3A GB9506428D0 (en) 1995-03-29 1995-03-29 Apparatus for handling elongate members
GBGB9521641.2A GB9521641D0 (en) 1995-10-21 1995-10-21 Apparatus for handling elongate members
PCT/GB1996/000638 WO1996030686A1 (en) 1995-03-29 1996-03-19 Apparatus for handling elongate members

Publications (2)

Publication Number Publication Date
NO974456D0 NO974456D0 (en) 1997-09-26
NO974456L true NO974456L (en) 1997-11-28

Family

ID=26306769

Family Applications (1)

Application Number Title Priority Date Filing Date
NO974456A NO974456L (en) 1995-03-29 1997-09-26 Device for handling elongated elements

Country Status (4)

Country Link
AU (1) AU701870B2 (en)
BR (1) BR9607914A (en)
NO (1) NO974456L (en)
WO (1) WO1996030686A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2321290B (en) * 1997-01-17 2001-05-30 Mcdermott Sa J Ray Improvements relating to the laying of underwater pipeline
FR2764861B1 (en) * 1997-06-19 1999-07-30 France Etat UNDERWATER EQUIPMENT HANDLING DEVICE
NO20110989A1 (en) * 2010-09-30 2012-04-02 Kongsberg Oil & Gas Technologies As Apparatus and method for laying an elongate element from a vessel
NL2029401B1 (en) * 2021-10-14 2023-05-11 Deme Offshore Nl B V Elongated body tensioner for pulling two or more elongated bodies along in a direction of movement

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4345855A (en) * 1979-05-02 1982-08-24 Santa Fe International Corporation Self propelled dynamically positioned reel pipe laying ship
FR2674235B1 (en) * 1991-03-19 1993-07-30 Geophysique Cie Gle CAPSTAN FOR FRAGILE CABLES.

Also Published As

Publication number Publication date
NO974456D0 (en) 1997-09-26
AU701870B2 (en) 1999-02-04
BR9607914A (en) 1998-06-09
WO1996030686A1 (en) 1996-10-03
AU5114396A (en) 1996-10-16

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