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NL2019945B1 - System and method for cable or flexible pipe transfer - Google Patents

System and method for cable or flexible pipe transfer Download PDF

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Publication number
NL2019945B1
NL2019945B1 NL2019945A NL2019945A NL2019945B1 NL 2019945 B1 NL2019945 B1 NL 2019945B1 NL 2019945 A NL2019945 A NL 2019945A NL 2019945 A NL2019945 A NL 2019945A NL 2019945 B1 NL2019945 B1 NL 2019945B1
Authority
NL
Netherlands
Prior art keywords
cable
transfer device
flexible pipe
transfer
tensioner
Prior art date
Application number
NL2019945A
Other languages
Dutch (nl)
Inventor
Leon Nagtegaal Reinier
Verdel Sam
Original Assignee
Ece Offshore 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 Ece Offshore B V filed Critical Ece Offshore B V
Priority to NL2019945A priority Critical patent/NL2019945B1/en
Priority to PCT/NL2018/050779 priority patent/WO2019098840A1/en
Application granted granted Critical
Publication of NL2019945B1 publication Critical patent/NL2019945B1/en

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Classifications

    • 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
    • B63B35/04—Cable-laying vessels
    • 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
    • F16L1/207—Pipe handling apparatus
    • 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
    • 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
    • F16L57/00—Protection of pipes or objects of similar shape against external or internal damage or wear
    • F16L57/02—Protection of pipes or objects of similar shape against external or internal damage or wear against cracking or buckling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
    • H02G1/10—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle in or under water
    • 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
    • F16L1/203—Accessories therefor, e.g. floats or weights fixed on or to vessels the pipes being wound spirally prior to laying
    • 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
    • F16L1/23—Pipe tensioning apparatus

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)

Abstract

The present disclosure relates to a system for cable or flexible pipe transfer, comprising: 5 - a first transfer device for cable or flexible pipe having a first transfer speed; - a second transfer device for cable or flexible pipe having a second transfer speed; and - a compensator for compensating a difference between the first transfer speed and the second transfer speed by adjusting a path of the cable or flexible pipe between the first transfer 10 device and the second transfer device. In particular the first and second devices may form storages, or the first device is a storage and the second device is a tensioner.

Description

SYSTEM AND METHOD FOR CABLE OR FLEXIBLE PIPE TRANSFER
The present invention relates to the deployment and/or retrieval and/or transfer between stores, such as storage reels or storage carousels, of a subsea cable or flexible pipe.
Subsea cables and subsea flexible pipes are arranged on the seabed for connecting to offshore installations. Subsea power cables are for instance arranged on the seabed for connecting wind turbines of an offshore wind turbine park to onshore or offshore power distribution installations.
Subsea cables and subsea flexible pipes are arranged on the seabed during the build of the offshore installations to be connected, and are removed from the seabed in case replacement is required or in case the offshore installation that is connected to the cables or the flexible pipes in dismantled.
For arranging a subsea cable or a subsea flexible pipe on the seabed, the subsea cable or subsea flexible pipe is deployed from an offshore vessel into the water, and is lowered toward the seabed. For removing a subsea cable or a subsea flexible pipe from the seabed, the subsea cable or subsea flexible pipe is retrieved from the seabed out off the water and onto an offshore vessel.
For deploying and/or retrieving subsea cables or flexible pipe, offshore vessels have arranged thereon a deployment and retrieval system. In onshore applications, subsea cables or flexible pipe may have to be transferred between stores, such as storage reels or storage carousels. Such systems generally comprise a cable or flexible pipe storage for storing on board the offshore vessel or onshore of cable or flexible pipe that is to be deployed, retrieved or transferred in any other sense, in accordance with the present disclosure. Such a cable or flexible pipe storage is typically embodied by a storage reel or storage carousel on or in which the cable or flexible pipe is wound. For winding the cable or flexible pipe on the storage reel or in storage carousel, or release there from, the storage reel or storage carousel is rotated. In addition to the cable or flexible pipe storage, deployment and retrieval systems on board an offshore vessel generally comprise a tensioner through which the cable or flexible pipeline is led and which holds on to the portion of the cable or flexible pipeline that extends between the seabed and the offshore vessel. The tensioner is configured to haul in and pay out the cable or flexible pipe. Typically, such a tensioner is provided with wheels that engage the outer surface of the cable or the flexible pipe, wherein the wheels are driven to be able to exert tractive force on the cable or flexible pipe. Most tensioners have tracked sets of wheels. The device is called a tensioner, because by exerting tractive force on the cable or flexible pipe, the tension in the portion of the cable or flexible pipe extending between the seabed and the offshore vessel can be controlled during deployment and retrieval of the cable or flexible pipe. Control over the tension in that portion of the cable or flexible pipe during deployment and retrieval is important, since incorrect tension in that portion of the cable or flexible pipe may cause damage to the cable or flexible pipe, which damage may lead to immediate or future failure of the cable or flexible pipe.
During deployment the cable or flexible pipe to be deployed is transferred from the rotating storage reel or storage carousel to the tensioner, whereas during retrieval the retrieved cable or flexible pipe is transferred in opposite direction from the tensioner to the storage reel or storage carousel. In both cases the tensioner and the storage reel or storage carousel serve as transfer devices that cause the cable or flexible pipe to move along a path between the tensioner and the storage reel or storage carousel by paying the cable or flexible pipe out at one end of the path and hauling the cable or flexible pipe in at the other end of the path between the tensioner and the storage reel or storage carousel. A problem associated with the transfer of the cable or flexible pipe along a path between the tensioner and the storage reel or storage carousel using the tensioner and the storage reel or storage carousel as transfer devices is control over tension in the portion ofthe cable or flexible pipe between the tensioner and the storage reel or storage carousel. Excessive tension in the portion of the cable or flexible pipe that extends along the path between the tensioner and the storage reel or storage carousel may cause damage to the cable or flexible pipe, which damage may lead to immediate or future failure of the cable or flexible pipe, may hinder the transfer of the cable or flexible pipe along the path, and may hinder the winding or unwinding of the cable or flexible pipe at the storage reel or storage carousel. Likewise, accumulation of the cable or flexible pipe between the tensioner and the storage reel or storage carousel in case of too little tension may cause buckling of the cable or flexible pipe.
The present invention has at one of its objectives to improve control over tension in the cable or flexible pipe while being transferred between the tensioner and the storage reel or storage carousel, and more in general, between a first and a second transfer device.
Thereto, the present invention provides a system for cable or flexible pipe transfer, comprising: a first transfer device for cable or flexible pipe having a first transfer speed; a second transfer device for cable or flexible pipe having a second transfer speed; and a compensator for compensating a difference between the first transfer speed and the second transfer speed by adjusting a path of the cable or flexible pipe between the first transfer device and the second transfer device.
The system according to the invention may advantageously be employed in the prior art deployment and retrieval system as described herein above, wherein a cable or flexible pipe is transferred between two transfer devices embodied as, for example, a tensioner and a storage reel or storage carousel. In particular the system according to the invention may advantageously contribute to the prevention of incorrect tension in the portion of the cable or flexible pipe that extends along the path between the tensioner and the storage reel or storage carousel, which incorrect tension is caused by a difference between transfer speed of the tensioner and transfer speed of the storage reel or storage carousel. By adjustment of the path between the tensioner and the storage reel or storage carousel, the compensator of the system according to the invention controls the increase or decrease of the tension in the portion of the cable or flexible pipe that extends along the path between the tensioner and the storage reel or storage carousel.
The adjustment of the path between the tensioner and the storage reel or storage carousel provided by the compensator has a direct effect on the tension in the portion of the cable or flexible pipe. In deployment and retrieval or transfer systems having a compensator, in accordance with the present disclosure, incorrect tension and resulting pull break and/or buckling may be effectively prevented. A system of the present disclosure may be used in addition to or as an alternative for control and synchronisation of the transfer speeds of the tensioner and of the storage reel or storage carousel as a "stand-alone" improvement of control of the tension in the portion of the cable or flexible pipe. It should be noted, that incorrect tension between the tensioner and the storage reel or storage carousel may in particular occur, with rupture or buckling as a consequence, when one of the transfer devices temporarily accelerates or decelerates, even to a sudden full-stop or for example when a cable or flexible pipe to be hoisted is stuck under rock or the like on the seabed, decelerating pull-up speed. Other circumstances to which the present disclosure is also not limited may occur during a sudden full-stop, such as an emergency stop, or during transfer between storage reels or storage carousels, for example on separate vessels, where sea sway may cause the distance fluctuations between the vessels, which can be compensated for using the compensator of the present disclosure. Based on this it is noted that the disclosure is by no means limited to any of a tensioner, storage reel or storage carousel. Such speed and/or distance fluctuations can be compensated for by instantaneous control over the rotation speed of the storage reel or storage carousel by control over a drive motor to slow down or speed up rotation of the storage reel or storage carousel, relative to the throughput speed of the tensioner or counter reel and/or carousel, but in particular the storage reel or storage carousel may be very heavy and as a result of its momentum it takes enormous effort to slow down (or speed up) the rotational speed thereof instantaneously, before incorrect tensions occur. Therefore, the compensator provides a valuable contribution to advantageously be used "stand-alone" for compensating temporary differences between the transfer speeds, thereby improving control over incorrect tension in the portion of the cable or flexible pipe as a result of such temporary differences.
Furthermore, the adjustment of the path between the tensioner and the storage reel or storage carousel provided by the compensator may advantageously be used to improve control of the transfer or handling speeds of the tensioner and the storage reel or storage carousel, thereby improving control over incorrect tension in the portion of the cable or flexible pipe.
Evidently, in the present disclosure, reference to transfer of cable or flexible pipe includes intake and roll out on and from a device, such as the storage reel or storage carousel.
Following the above introduction to features and aspects of the present disclosure in terms of the appended independent claim, preferred embodiments will be presented below in the embodiment description and/or defined in appended dependent claims. The embodiment description refers to the appended drawing, depicting preferred embodiments in more but nonlimiting detail and in which the same, similar or other reference signs may be employed for the same or similar elements, components and functionalities, and in which:
Figures 1 - 4 show a first embodiment of a system according to the present disclosure;
Figure 5 show's a second embodiment according to the present disclosure; and
Figure 6 shows a third embodiment according to the present disclosure.
The embodiment of system 1 in figures 1 - 4 of the present disclosure comprises a first transfer device for cable or flexible pipe having a first transfer speed in the form of a tensioner 2, and a second transfer device for cable or flexible pipe having a second transfer speed in the form of a reel 3. Further the system comprises a compensator 4 described below in more detail. The compensator 4 serves to compensate a difference between the first transfer speed and the second transfer speed by adjusting a path of the cable or flexible pipe, here cable 5, between the tensioner 2 and the reel 3. Thereby tension in the cable 5 is kept within acceptable limits.
Reel 3 is a storage for cable 5 and tensioner 2 ensures controlled release or pickup of cable 5 when deploying or retracting cable 5 onto or from the seabed. Tensioner 2 has at least turning wheels 22, over which oppositely driven tracks 23 may be arranged with cable 5 clamped between tracks 23 for controlled throughput of able 5 through tensioner 2. As has been noted already, the disclosure can also contribute an improvement when transferring cabl;e or flexible pipe between storages, and is not restricted to implementation during deployment or extraction of such cable / pipe onto or from the seabed.
The compensator 4 comprises a guide 6 by which cable 5 is guided along at least a portion of the path between cable 5 between tensioner 2 and reel 3. The compensator 4 is configured for displacing the guide 6 relative to at least one of the reel 3 and the tensioner 2, thereby adjusting the path there between. The guide 6 comprises an arc-shaped accommodation for cable 5. The arcshaped accommodation of guide 6 extends along a semicircle. The circular extent of the arc-shaped accommodation may be more than half a circle, or less. The compensator 4 is configured for displacing the guide 6 along a radial line of the arc-shaped accommodation, preferably radial 7 that divides the arc in two equal sections.
Reel 3 and tensioner 2 are arranged relative to the arc-shaped accommodation of guide 6 such that the path for a cable or a flexible pipe between the first transfer device and the second transfer device is essentially U-shaped. The path, whether it be U-shaped or any other appropriate form, is dimensioned to suit cable 5 or flexible pipe in an alternative embodiment, for example with respect to a minimal bend radius thereof.
Reel 3 has motor 9 and tensioner 2 has motor 10. A synchronising control 11 may be provided to synchronise throughput speed of tensioner 2 and rotational speed of reel 3, for example to compensate for an extent to which cable 5 is wound on reel. When cable 5 is wound on or from reel 3 from a large diameter (much cable 5 on reel 3) the longitudinal speed may be higher than when cable 5 is wound on or from reel 3 at a smaller diameter, at the same rotational speed.
In the embodiment of figures 3 and 4, compensator 4 comprises a spring system 8 that is configured to be extended or compresses when guide 6 is displaced for adjusting the path. A gas spring 8 forms the spring system in this embodiment. Guide 6 is pulled or pushed to adjust the path in such a way, that tension in cable 5 stays within predetermined bounds.
Preferably the guide is kept as much as possible in a centre position, to quickly respond to instantaneous changes in speeds of reel 5 and/or tensioner 2. When a deflection of guide 6 from this centre position has occurred, controller 11 may be configured to readjust the speeds of reel 3 and tensioner 2, to reposition the guide at its centre position. To this end, compensator 4 may further comprise a measuring instrument 12 for measuring displacement of the guide 6, and the motor controller 11 or another transfer speed controller may then be configured for controlling at least one ofthe transfer speed ofthe reel 3 and the second transfer speed of the tensioner 2, depending on a measured displacement of the guide, to position or reposition the guide at any position in its reach, such as the centre position thereof. However, when hoisting cable 5 up from the seabed, a most likely event is that cable 5 gets stuck and tensioner 2 suddenly decelerates. In such an operation, the operators may elect to position the guide in a position farthest from the reel 3 and tensioner 2, so that it can be moved maximally over the entire range of freedom of movement thereof, towards the tensioner 2 and reel 3, when the cable gets stuck to allow for more time to decelerate the reel 3 in a controlled manner.
In addition to or as an alternative for the spring system, which is more passive by nature, the compensator 4 may comprise an actuator 13 for displacing the guide. Such an actuator 13 may be considered to be more active by nature and is shown only in figure 4, but may be employed in all other embodiments as well, and comprises a motor 14 and a rack 16 and tooth wheel 15 combination. As an alternative embodiment an actively controlled hydraulic cylinder may be used, or even any other possible embodiment for displacement of the guide. A tension meter 17 may form a measuring instrument to be provided for measuring a measurand that is representative of the tension in a cable 5 being transferred along the path between reel 3 and tensioner 2. The controller 11 of figure 1 may then act as an actuator controller configured for controlling the actuator 13 depending on a measured measurand indicative of the cable tension.
Preferably, measuring instrument 17 is configured for measuring load exerted on the guide by cable 5 transferred along the path between the reel 3 and tensioner 2. A load meter may also perform measurements on cable 5 itself.
In an embodiment having the measuring instrument, it may alternatively or additionally be configured for measuring load exerted on at least one of the reel 3 and the tensioner 2 by cable 5 being transferred along the path between the reel 3 and tensioner 2.
Figure 5 shows an alternative embodiment of a system 20, based on a carousel 21, in which cable 5 is stored. By nature, carousel 21 contains stored cable 5 around a central upright dome 24 for upwards or downward extraction or depositing of cable 5, whereas reel 3 has is configuration for tangential / horizontal pick-up or release of cable 5. As a consequence in the embodiment of figure 5, the guide 6 is positioned to be upright, moveable in a vertical direction to maintain an essentially constant tension in cable 5, or at least within acceptable bounds.
In the embodiment of figure 6, two guides 6 are employed. This increases the slack that can be taken up by the guides 6 and/or reduces the necessary freedom of movement of each guide 6 and/or allows configurations where the reel 3 cannot be arranged next to the tensioner 2.
Any portion of the foregoing following embodiment description based on cable 5 may equally well be implemented for flexible pipe. A compensator may equally be employed for transfer from one reel 3 to another, or between carousels. Such exemplary alternative embodiments go to show that the present disclosure encompasses much more scope than just the explicitly shown and described particular embodiments and that the scope is defined by and in the appended claims, in particular the appended independent claims, which at least in some jurisdictions even encompass obvious alternatives for features therein.

Claims (19)

1. Systeem voor overbrengen van kabel of flexibele pijp, omvattende: - een eerste overbrenginrichting voor kabel of flexibele pijp, welke een eerste overbrengsnelheid heeft; - een tweede overbrenginrichting voor kabel of flexibele pijp, welke een tweede overbrengsnelheid heeft; en - een compensator voor het compenseren voor een verschil tussen de eerste overbrengsnelheid en de tweede overbrengsnelheid, door het aanpassen van een pad van de kabel of flexibele pijp, tussen de eerste overbrenginrichting en de tweede overbrenginrichting.A cable or flexible pipe transfer system, comprising: - a first cable or flexible pipe transfer device, which has a first transfer speed; - a second transfer device for cable or flexible pipe, which has a second transfer speed; and - a compensator for compensating for a difference between the first transfer speed and the second transfer speed, by adjusting a path of the cable or flexible pipe, between the first transfer device and the second transfer device. 2. Systeem volgens conclusie 1, waarbij - ten minste één van de eerste overbrenginrichting en de tweede overbrenginrichting een opslagwiel of carrousel voor kabel of flexibele pijp is.A system according to claim 1, wherein - at least one of the first transfer device and the second transfer device is a storage wheel or carousel for cable or flexible pipe. 3. Systeem volgens conclusie 1 of 2, waarbij - ten minste één van de eerste overbrenginrichting en de tweede overbrenginrichting een spanner voor kabel of flexibele pijp is.A system according to claim 1 or 2, wherein - at least one of the first transfer device and the second transfer device is a cable or flexible pipe tensioner. 4. Systeem volgens conclusies 2 en 3, waarbij - de eerste overbrenginrichting een opslagwiel voor kabel of flexibele pijp is; - de tweede overbrenginrichting een spanner voor kabel of flexibele pijp is.System as claimed in claims 2 and 3, wherein - the first transfer device is a storage wheel for cable or flexible pipe; - the second transfer device is a tensioner for cable or flexible pipe. 5. Systeem volgens een willekeurige van conclusies 1 tot en met 4, omvattende - een geleider, voor het geleiden van een kabel of flexibele pijp langs ten minste een gedeelte van het pad tussen de kabel of flexibele pijp, tussen de eerste overbrenginrichting en de tweede overbrenginrichting; waarbij - de compensator is geconfigureerd voor het ten opzichte van ten minste één van de eerste overbrenginrichting en de tweede overbrenginrichting verplaatsen van de geleider om aldus het pad aan te passen.System according to any of claims 1 to 4, comprising - a conductor, for guiding a cable or flexible pipe along at least a part of the path between the cable or flexible pipe, between the first transfer device and the second transfer device; wherein - the compensator is configured to move the guide relative to at least one of the first transfer device and the second transfer device so as to adjust the path. 6. Systeem volgens conclusie 5, waarbij - de geleider een boogvormige accommodatie voor een kabel of een flexibele pijp omvat.The system of claim 5, wherein - the conductor comprises an arcuate accommodation for a cable or a flexible pipe. 7. Systeem volgend conclusie 6, waarbij - de compensator is geconfigureerd voor het verplaatsen van de geleider langs een radiale lijn van de boogvormige accommodatie, bij voorkeur de radiaal die de boog in twee gelijke secties verdeelt.The system of claim 6, wherein - the compensator is configured to move the conductor along a radial line of the arcuate accommodation, preferably the radial that divides the arc into two equal sections. 8. Systeem volgens conclusie 7, waarbij - de boogvormige accommodatie zich langs ten minste een halve cirkel uitstrekt.The system of claim 7, wherein - the arcuate accommodation extends along at least a semicircle. 9. Systeem volgens een willekeurige van conclusies 6 tol en met 8, waarbij - de eerste overbrenginrichting en de tweede overbrenginrichting, ten opzichte van de boogvormige accommodatie, zodanig zijn aangebracht, dat het pad voor een kabel of een flexibele pijp, tussen de eerste overbrenginrichting en de tweede overbrenginrichting, in de hoofzaak U-vormig is.A system according to any of claims 6 to 8, wherein - the first transfer device and the second transfer device, relative to the arc-shaped accommodation, are arranged such that the path for a cable or a flexible pipe between the first transfer device and the second transfer device, in the main case, is U-shaped. 10. Systeem volgens een willekeurige van conclusies 5 tot en met 9, W'aarbij - de compensator een veersysteem omvat, dat is geconfigureerd om, wanneer de geleider wordt verplaatst, verlengd of gecomprimeerd te worden voor het aanpassen van het pad.A system according to any of claims 5 to 9, wherein the compensator comprises a spring system that is configured to be extended or compressed to adjust the path when the guide is moved. 11. Systeem volgens conclusie 10, omvattende: - een meetinstrument voor het meten van verplaatsing van de geleider; - een besturing voor overdrachtssnelheid, die is geconfigureerd voor het besturen van ten minste één van de eerste overdrachtssnelheid en de tw'eede overdrachtssnelheid, afhankelijk van een gemeten verplaatsing van de geleider.System as claimed in claim 10, comprising: - a measuring instrument for measuring conductor displacement; - a transfer speed control, which is configured to control at least one of the first transfer speed and the second transfer speed, depending on a measured displacement of the conductor. 12. Systeem volgens een willekeurige van conclusies 5 tot en met 11, waarbij - de compensator een actuator voor het verplaatsen van de geleider omvat.System according to any of claims 5 to 11, wherein - the compensator comprises an actuator for moving the conductor. 13. Systeem volgens conclusie 12, omvattende - een meetinstrument voor het meten van een te meten grootheid, die representatief is voor de spanning in een kabel of flexibele pijp, die wordt overgebracht langs het pad tussen de eerste overbrenginrichting en de tweede overbrenginrichting; - een actuatorbesturing, die is geconfigureerd voor het besturen van de actuator, in afhankelijkheid van een te meten grootheid die gemeten is.A system according to claim 12, comprising - a measuring instrument for measuring a quantity to be measured, representative of the voltage in a cable or flexible pipe, which is transmitted along the path between the first transfer device and the second transfer device; - an actuator control, which is configured to control the actuator, depending on a measured quantity that has been measured. 14. Systeem volgens conclusie 13, waarbij - het meetinstrument is geconfigureerd voor het meten van belasting, die wordt uitgeoefend op de geleider door een kabel of een flexibele pijp, die wordt overgebracht langs het pad tussen de eerste overbrenginrichting en de tweede overbrenginrichting.A system according to claim 13, wherein - the measuring instrument is configured to measure the load exerted on the conductor by a cable or a flexible pipe, which is transferred along the path between the first transfer device and the second transfer device. 15. Systeem volgens conclusie 13 of 14, waarbij - het meetinstrument is geconfigureerd voor het meten van belasting, die wordt uitgeoefend op ten minste één van de eerste overbrenginrichting en de tweede overbrenginrichting door een kabel of een flexibele pijp, die wordt overgebracht langs het pad tussen de eerste overbrenginrichting en de tweede overbrenginrichting.The system of claim 13 or 14, wherein - the measuring instrument is configured to measure load exerted on at least one of the first transfer device and the second transfer device through a cable or a flexible pipe that is transferred along the path between the first transfer device and the second transfer device. 16. Systeem voor buitengaats plaatsen en/of bergen van kabel of flexibele pijp, omvattende: - een systeem volgens een willekeurige van conclusies 1 tot en met 15, dat is aangebracht of geconfigureerd om aangebracht te worden op een buitengaats vaartuig, waarbij - de eerste overbrenginrichting een opslagwiel of carrousel voor kabel of flexibele pijp is; - de tweede overbrenginrichting een spanner voor kabel of flexibele pijp is; en - de spanner is aangebracht voor het plaatsen, van het buitengaatse vaartuig naar de zee, van een kabel of flexibele pijpleiding en/of het bergen, van de zee naar het buitengaatse vaartuig, van een kabel.A system for offshore placement and / or salvage of cable or flexible pipe, comprising: - a system according to any of claims 1 to 15, which is arranged or configured to be mounted on an offshore vessel, wherein - the first transfer device is a storage wheel or carousel for cable or flexible pipe; - the second transfer device is a tensioner for cable or flexible pipe; and - the tensioner is arranged for placing a cable or flexible pipeline from the offshore vessel to the sea and / or salvaging a cable from the sea to the offshore vessel. 17. Werkwijze voor het overbrengen van een kabel of flexibele pijpleiding tussen een eerste overbrenginrichting en een tweede overbrenginrichting, omvattende - het uitvoeren van een kabel of flexibele pijpleiding van een eerste overbrenginrichting met een eerste overbrengsnelheid; - het langs een pad overbrengen van de uitgevoerde kabel of flexibele pijpleiding van de eerste overbrenginrichting naar de tweede overbrenginrichting; - het invoeren van de overgebrachte kabel of flexibele pijpleiding in de tweede overbrenginrichting met een tweede overbrengsnelheid; - het compenseren van een verschil tussen de eerste overbrengsnelheid en de tweede overbrengsnelheid, door het aanpassen van het pad van de kabel of flexibele pijp tussen de eerste overbrenginrichting en de tweede overbrenginrichting.A method for transferring a cable or flexible pipeline between a first transfer device and a second transfer device, comprising - carrying out a cable or flexible pipeline from a first transfer device with a first transfer speed; - transferring the executed cable or flexible pipeline from the first transfer device to the second transfer device along a path; - inserting the transferred cable or flexible pipeline into the second transfer device with a second transfer speed; - compensating for a difference between the first transfer speed and the second transfer speed, by adjusting the path of the cable or flexible pipe between the first transfer device and the second transfer device. 18. Werkwijze voor buitengaats plaatsen van kabel. omvattende: - het, van een buitengaats vaartuig naar de zee, plaatsen van een kabel of flexibele pijp door middel van een spanner; - het, op een kabelwiel of in een kabelcarrousel, opslaan van de te plaatsen kabel of flexibele pijp; - het overbrengen van de te plaatsen kabel of flexibele pijp, van het kabelwiel of het kabelcarrousel naar de spanner, volgens de werkwijze van conclusie 17, waarbij de spanner de eerste overbrenginrichting en het kabelwiel of het kabelcarrousel de tweede overbrenginrichting is.18. Method for placing cable offshore. comprising: - placing a cable or flexible pipe from an offshore vessel to the sea by means of a tensioner; - storing the cable or flexible pipe to be placed on a cable wheel or cable carousel; - transferring the cable or flexible pipe to be placed from the cable wheel or cable carousel to the tensioner, according to the method of claim 17, wherein the tensioner is the first transfer device and the cable wheel or cable carousel is the second transfer device. 19. Werkwijze voor het buitengaats bergen van kabel, omvattende: - het bergen van een kabel of flexibele pijp van een buitengaats vaartuig in de zee of het bergen van een kabel of flexibele pijp, van de zee naar het buitengaatse voortuig, door middel van een spanner; - het opslaan van de geborgen kabel of flexibele pijp op een kabelwiel of in een kabelcarrousel; waarbij - het overbrengen van de geborgen kabel of flexibele pijp van de spanner naar het kabelwiel of het kabelcarrousel volgens de werkwijze volgens conclusie 17, waarbij het kabelwiel of het kabelcarrousel de eerste overbrenginrichting is, en de spanner de tweede overbrenginrichting is.19. Method for salvaging cable, comprising: salvaging a cable or flexible pipe from an offshore vessel in the sea or salvaging a cable or flexible pipe from the sea to the offshore vehicle by means of a tensioner; - storing the recovered cable or flexible pipe on a cable wheel or in a cable carousel; wherein - transferring the salvaged cable or flexible pipe from the tensioner to the cable wheel or cable carousel according to the method of claim 17, wherein the cable wheel or cable carousel is the first transfer device, and the tensioner is the second transfer device.
NL2019945A 2017-11-20 2017-11-20 System and method for cable or flexible pipe transfer NL2019945B1 (en)

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GB2516506A (en) * 2013-07-25 2015-01-28 Aquatic Eng & Constr Tensioner system

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JPH08251745A (en) * 1995-03-03 1996-09-27 Mitsubishi Heavy Ind Ltd Cable feeding device for submarine cable laying ship
JP2000134753A (en) * 1998-10-19 2000-05-12 Fujikura Ltd Underwater cable laying barge
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