WO2009148301A2 - Procede de pose de pipeline, systeme et vaisseau d’installation de pipeline comprenant un equipement de pipeline - Google Patents

Procede de pose de pipeline, systeme et vaisseau d’installation de pipeline comprenant un equipement de pipeline Download PDF

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Publication number
WO2009148301A2
WO2009148301A2 PCT/NL2009/000126 NL2009000126W WO2009148301A2 WO 2009148301 A2 WO2009148301 A2 WO 2009148301A2 NL 2009000126 W NL2009000126 W NL 2009000126W WO 2009148301 A2 WO2009148301 A2 WO 2009148301A2
Authority
WO
WIPO (PCT)
Prior art keywords
pipeline
tower
pipe
equipment
firing line
Prior art date
Application number
PCT/NL2009/000126
Other languages
English (en)
Other versions
WO2009148301A3 (fr
Inventor
Gerardus Cornelius Van Grieken
Original Assignee
Heerema Marine Contractors Nederland B.V.
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
Application filed by Heerema Marine Contractors Nederland B.V. filed Critical Heerema Marine Contractors Nederland B.V.
Publication of WO2009148301A2 publication Critical patent/WO2009148301A2/fr
Publication of WO2009148301A3 publication Critical patent/WO2009148301A3/fr

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
    • F16L1/00—Laying or reclaiming pipes; Repairing or joining pipes on or under water
    • F16L1/12—Laying or reclaiming pipes on or under water
    • F16L1/16—Laying or reclaiming pipes on or under water on the bottom
    • F16L1/18—Laying or reclaiming pipes on or under water on the bottom the pipes being S- or J-shaped and under tension during laying
    • F16L1/19—Laying or reclaiming pipes on or under water on the bottom the pipes being S- or J-shaped and under tension during laying the pipes being J-shaped

Definitions

  • the invention relates to a pipeline laying method, system and vessel to install a pipeline comprising one or more pipeline equipment, the system comprising: a tower constructed and arranged to join pipe sections and pipe line equipment to the pipeline along a tower firing line;.
  • J-Lay near vertical pipe laying
  • a supply of pipe sections may be stored on the vessel deck.
  • Individual pipe sections are successively upended from a horizontal position on the deck towards a vertical position near or within the tower by means of a loader.
  • the loader hands over the pipe section to the tower, where it is firmly held for positioning the pipe section to be connected to the upper end of a pipeline.
  • the upper end of the pipeline extends through a clamping mechanism located at the lower position of the tower which holds the pipeline.
  • the pipeline and its newly-added pipe section are lowered through the clamping mechanism along the tower pipeline firing line. Simultaneously the vessel moves forward thereby installing the pipeline on a sea bed.
  • the underwater pipe laying system may be helpful in laying pipe sections of uniform diameter.
  • pipeline equipment if pipeline equipment must be inserted in the pipeline, the system does not permit insertions of such items in the pipeline easily.
  • Examples of pipeline equipment are inline structures like riser buoys, pipe valves, tee assemblies, and pipeline termination assemblies with their supporting structures and mud-mats or a buoyancy module.
  • Existing pipe lay systems in the tower do not allow convenient handling of pipeline equipment, since it is not practical to design a pipe clamping mechanism which will open up sufficiently wide as to permit downward passage of such equipment along the tower firing line.
  • US 2002/0159839 discloses a pipe laying vessel V, shown in FIG. 1 , which is provided with a first preferred form of apparatus A for the underwater laying of a pipeline P on a seabed (not shown).
  • Vessel V is of the semi-submersible type, however, other types of vessels may be utilized for operation with a pipe laying system.
  • Vessel V is provided with two large rotatable cranes 28 and 29 mounted at the rear end portions of the semi-submersible hulls 30 and 32.
  • Vessel V carries a supply of pipe sections 33 on its deck to be added to pipeline P.
  • the pipe laying apparatus A includes a J-Lay tower T pivotally connected to vessel V for tilting in a vertical plane by hydraulic cylinders in a conventional manner, with the angle of such tower being defined by adjustable struts having their upper end pivotally attached to the intermediate portion of the tower and its lower end pivotally attached to the vessel.
  • the tower T may be stowed in a lowered position (not shown) during rough seas or during travel of the vessel V.
  • one of the large rotatable cranes 28, 29 may be used to: lift the pipeline equipment to a position above the pipeline, hold the pipeline equipment when it is joined to the pipeline, move the pipeline equipment with the pipeline joined thereto away from the tower, lower the pipeline until the pipeline equipment is below the pipelay tower, and, move the pipeline back into the tower firing line.
  • the object of the invention is to provide an improved or at least an alternative method and system for installing pipeline equipment to a pipeline.
  • the object is achieved by a method to install a pipeline comprising pipeline equipment on a seabed, the method comprising: providing a pipe laying system comprising a tower; installing the pipeline along a pipe departure trajectory that coincides with the tower firing line in the direction of the seabed; engaging the pipeline with a hang-off device provided to a base of the tower to support the weight of the pipeline; loading a pipe section including pipeline equipment in the firing line above the hang- off device; connecting the pipe section with the pipeline equipment to the pipeline clamped by the hang-off device; clamping the top of the pipeline to a hoisting device provided to a hoisting apparatus provided to the tower; disengaging the pipeline from the hang-off device; moving the tower and/or the hoisting device such that the tower firing line does no longer coincide with the pipe departure trajectory; and lowering the pipeline and the connected pipeline equipment with the hoisting device along the pipe departure trajectory that differs from the firing line of the tower.
  • a pipeline laying system to install a pipeline comprising pipeline equipment, the system comprising: a tower constructed and arranged to join pipe sections and pipe line equipment to the pipeline along a tower firing line; wherein the tower is provided with a hoisting apparatus constructed and arranged to move the pipeline and the equipment to a trajectory that differs form the firing line of the tower.
  • a pipeline laying vessel to install a pipeline comprising pipeline equipment, the vessel comprising a tower constructed and arranged to join pipe sections and pipe line equipment to the pipeline along a firing line; wherein the angle between the tower and the vessel is adjustable so as to move the pipeline and the equipment along a trajectory that differs from the firing line of the tower.
  • figure 1 depicts a pipe laying vessel according to the prior art
  • - figures 2a-2c depict a pipeline laying system and method to install a pipeline comprising pipeline equipments according to a first embodiment of the invention
  • figures 3a-3c depict a pipe laying system and method to install a pipeline comprising pipeline equipments according to a second embodiment of the invention
  • - figures 4a-4c depict a pipe laying system and method to install a pipeline comprising pipeline equipments according to a third embodiment of the invention.
  • Figure 2a depicts a pipeline laying system 2 mounted on the bow 9 of a ship (only partially depicted) for installing a pipeline 13 comprising pipeline equipments 3 according to a first embodiment of the invention.
  • the pipeline laying system 2 comprises a tower 1 which is mounted on a tower base via a tower tilting axis 11.
  • the pipe laying system 2 comprises a hoisting device 4 in the top of the tower 1 and the hoisting device 4 may be used for moving a moveable pipe clamp 5 along the tower 1.
  • a new pipe section will be moved into the tower 1 and lowered with the moveable pipe clamp 5 until it is above the top of the already installed pipeline 13 which is held by a hang off device on the lower side of the tower 1 in a work station 30.
  • the new pipe section will than be aligned and welded on the already installed pipeline 13 along the firing line 7 of the tower 1.
  • the new pipe section welded to the already installed pipeline 13 will be moved to the seabed by releasing it from the hang off device and lowering it with the moveable pipe clamp 5 through the hang off device and the pipe laying system will move further to install a next pipe section on the pipe line 13.
  • pipeline equipment 3 which has a larger size than the diameter of the pipe needs to be installed on the already installed pipeline 13 a different method may be used.
  • pipeline equipments 3 may be riser buoys, initiation fittings, pipeline end terminations (PLET), branches, inline SLED assemblies, inline manifolds, pipe valves, tee assemblies with their supporting structures and mud-mats.
  • PLET pipeline end terminations
  • the pipeline equipment will be moved above the already installed pipeline 13 and aligned and welded to the installed pipeline.
  • the pipeline equipment 3 may not be able to move through the hang off device because it may be too big.
  • the tower and the firing line 7 may be rotated around the tower tilting axis 11 such that the bottom of the tower moves away from the edge of the vessel, leaving the installed pipe line 13 and the pipeline equipment 3 suspended along the natural departure angle.
  • Pipe clamp 5 is equipped and arranged to support the pipeline in the event that the tower is rotated away from the natural pipe departure angle.
  • the installed pipeline and the pipeline equipment can be lowered towards the seabed by lowering the pipe clamp 5 with the hoisting device 4 down along the tower 1. Since the tower angle is different from the pipe departure angle room is created between the vessel bow 9 and the tower 1 for the pipeline equipment to pass the hang off device and work station 30 (see figure 2b). Sufficient room needs to be provided to allow the structure 3 to pass the vessel hull.
  • Section A-A of figure 2b shows a cross section of the tower just above hinge point 11. For instance via a recess 31 in the deck 32 of the vessel sufficient space can be created for the pipeline equipment to pass. After the pipeline equipment passed the base of the tower 1 , the tower can be tilted around the tilting axis 11 so that the firing line 7 of the tower 1 corresponds again to the natural departure angle of the pipeline (see figure 2c) and normal installation of pipe sections can resume.
  • the pipe laying system and method to install a pipeline comprising pipeline equipments according to a second embodiment of the invention is shown in figures 3a-3c. The pipe laying system and method is similar to figure 2 for installing normal pipe sections, only for installing pipeline equipment 3 the system and method is different.
  • the pipeline equipment 3 will be moved above the already installed pipeline 13 and subsequently aligned and welded to the installed pipeline (see figure 3a).
  • the pipeline equipment 3 may be not be able to move through the hang off device because it may be too big.
  • the tower 1 and the firing line 7 may than be tilted around the tower tilting axis 11 such that the bottom of the tower moves away from the edge of the vessel.
  • the installed pipe line 13 and the pipeline equipment 3 are suspended according the natural departure angle.
  • the installed pipeline and the pipeline equipment can than be moved to the seabed by lowering the pipeline 13 with a hoisting apparatus, for example auxiliary hoisting device 6 along the natural pipe departure angle and by pass the hang off device (see figure 3b).
  • Auxiliary hoisting device 6 does not move along the tower but pays out a wire 8. As shown in figure 2, the deck of the vessel should allow sufficient clearance for the structure 3 to pass. When the pipeline equipment has passed the bottom of the tower 1 , the tower 1 can be tilted around the tilting axis 11 so that the firing line 7 of the tower 1 corresponds again to the natural departure angle of the pipeline (see figure 3c). Auxiliary hoisting device 6 can hand over the pipeline to the hang off device and normal installation of pipe sections can resume.
  • the pipe laying system and method to install a pipeline comprising pipeline equipment according to a third embodiment of the invention is shown in figures 4a-4c.
  • the pipe laying system and method is similar to figure 2 for installing pipe sections, only for installing pipeline equipment 3 the system and method is different.
  • the pipeline equipment 3 will be moved above the already installed pipeline 13 and subsequently aligned and welded to the installed pipeline (see figure 4a).
  • the pipeline equipment 3 may be not capable of moving through the hang off device because it may be too big.
  • the tower 1 is therefore provided with a tillable hoisting apparatus 17.
  • Hoisting apparatus 17 may be a crane and is provided with a tiltable beam 19 for moving the pipe line 13 and the pipeline equipment 3 from the firing line to a position outside the firing line and a lowering device 21 for lowering the pipe line 13 and the pipeline equipment 3 along the auxiliary firing line 15.
  • the installed pipeline and the pipeline equipment can than be moved to the seabed by lowering it with the lowering device 21 of the hoisting apparatus 17 along natural pipe departure angle besides the firing line 7 and by pass the hang off device (see figure 4b).
  • the hang off device is passed beam 19 is tilted such that the installed pipeline is moved back towards the firing line 7 of the tower 1 (see figure 4c).
  • Hoisting device 17 can lower the pipeline onto the hang off device and normal installation of pipe sections can resume.
  • the pipe laying system according to the invention may be mounted on a vessel.
  • the pipe laying system may be provided with adjusters.
  • the adjusters may be provided with actuators to tilt the tower with respect to the vessel.
  • the actuators may be hydraulic, pneumatic or electric actuators.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Abstract

L’invention concerne un système de pose de pipeline, un procédé et un vaisseau d’installation de pipeline comprenant un équipement de pipeline. Le système de pose de pipeline comprend une tour conçue et agencée de sorte à relier des parties de conduite et l’équipement de pipeline au pipeline le long d’une ligne de tir. Cette tour comprend également un appareil de levage conçu et agencé pour déplacer le pipeline et l’équipement par rapport à la ligne de tir de la tour, de sorte à déplacer le pipeline et l’équipement en dehors de la ligne de tir. L’appareil de levage comprend également un dispositif de levage conçu et agencé pour abaisser le pipeline avec l’équipement de pipeline.
PCT/NL2009/000126 2008-06-02 2009-06-02 Procede de pose de pipeline, systeme et vaisseau d’installation de pipeline comprenant un equipement de pipeline WO2009148301A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US5811508P 2008-06-02 2008-06-02
NL61/058,115 2008-06-02

Publications (2)

Publication Number Publication Date
WO2009148301A2 true WO2009148301A2 (fr) 2009-12-10
WO2009148301A3 WO2009148301A3 (fr) 2010-01-21

Family

ID=41327262

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/NL2009/000126 WO2009148301A2 (fr) 2008-06-02 2009-06-02 Procede de pose de pipeline, systeme et vaisseau d’installation de pipeline comprenant un equipement de pipeline

Country Status (1)

Country Link
WO (1) WO2009148301A2 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11053746B2 (en) 2016-04-04 2021-07-06 Technip Uk Ltd Pipeline integrated manifold

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4068490A (en) * 1975-05-06 1978-01-17 Compagnie Francaise Des Petroles Method and apparatus for assembling and laying underwater pipeline
US20020159839A1 (en) * 2001-04-25 2002-10-31 Heerema Marine Contractors Nederland B.V. Underwater pipe laying method and apparatus
US20050036842A1 (en) * 2001-07-03 2005-02-17 Lyle Stockstill Reel type pipeline laying ship and method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4068490A (en) * 1975-05-06 1978-01-17 Compagnie Francaise Des Petroles Method and apparatus for assembling and laying underwater pipeline
US20020159839A1 (en) * 2001-04-25 2002-10-31 Heerema Marine Contractors Nederland B.V. Underwater pipe laying method and apparatus
US20050036842A1 (en) * 2001-07-03 2005-02-17 Lyle Stockstill Reel type pipeline laying ship and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11053746B2 (en) 2016-04-04 2021-07-06 Technip Uk Ltd Pipeline integrated manifold

Also Published As

Publication number Publication date
WO2009148301A3 (fr) 2010-01-21

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