EP2953847B1 - Agencements et procédé d'accouplement et de désaccouplement d'au moins un tuyau souple acheminant un fluide, en particulier du gaz naturel liquéfié et/ou du gaz naturel liquéfié vaporisé - Google Patents

Agencements et procédé d'accouplement et de désaccouplement d'au moins un tuyau souple acheminant un fluide, en particulier du gaz naturel liquéfié et/ou du gaz naturel liquéfié vaporisé Download PDF

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Publication number
EP2953847B1
EP2953847B1 EP14705064.5A EP14705064A EP2953847B1 EP 2953847 B1 EP2953847 B1 EP 2953847B1 EP 14705064 A EP14705064 A EP 14705064A EP 2953847 B1 EP2953847 B1 EP 2953847B1
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EP
European Patent Office
Prior art keywords
hose end
receiving
hose
end connector
arrangement
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.)
Active
Application number
EP14705064.5A
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German (de)
English (en)
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EP2953847A1 (fr
Inventor
Rolf ALBRIGTSEN
Jon HØVIK
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.)
MacGregor Norway AS
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MacGregor Norway AS
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Publication date
Priority claimed from NO20130928A external-priority patent/NO340699B1/no
Priority claimed from NO20131242A external-priority patent/NO336992B1/no
Application filed by MacGregor Norway AS filed Critical MacGregor Norway AS
Publication of EP2953847A1 publication Critical patent/EP2953847A1/fr
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Publication of EP2953847B1 publication Critical patent/EP2953847B1/fr
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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 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/24—Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/30—Arrangement of ship-based loading or unloading equipment for transfer at sea between ships or between ships and off-shore structures
    • B63B27/34—Arrangement of ship-based loading or unloading equipment for transfer at sea between ships or between ships and off-shore structures using pipe-lines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
    • B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
    • B67D9/00—Apparatus or devices for transferring liquids when loading or unloading ships

Definitions

  • the invention concerns an arrangement and methods for connection and disconnection of at least one hose carrying fluid especially LNG and/or vaporized LNG.
  • the fluid to be transferred by the invention may be any kind of fluid, and may be employed for the transfer of hydrocarbons, including the transfer of LNG, and vaporized LNG, LPG and other fluid in gaseous and liquid form.
  • the invention may be used for transferring fluid such as LNG from a floating LNG production facility (FLNG) to an LNG carrier, and the transfer system may comprise three separate hose lines, two dedicated for the transfer of LNG to the LNG carrier and one for the return of vaporized LNG to the FLNG.
  • FLNG floating LNG production facility
  • the transfer of fluid in between two structures is a demanding and risky operation. Especially when the transfer is carried out in the open sea, and when the fluid is both a cryogenic fluid and a hydrocarbon which is highly flammable and explosive, the transfer operation is especially risky and special care needs to be taken.
  • the fluid may be transferred between structures where both are located in water.
  • the fluid transfer may occur between structures where one of these is located in water and the other one is a land based structure.
  • the structures located in water may comprise different kind of vessels, barges, ships and platforms or other structures suitable for loading or offloading.
  • the structures or vessels may be floating, submersible, semisubmersible or resting on the seabed.
  • Various systems may be employed for holding the structures in position, for instance mooring arrangements such as a turret system, anchor positioning or a dynamic positioning system may be used.
  • Prior art solutions for transfer of fluid between structures include the arrangement of a tandem position, stern offloading or a side by side configuration.
  • Prior art solutions include the systems disclosed in WO 2010137990 , US 2914080 , WO 2007113203 , GB 900877 , US 2818891 , US 2914080 , US 2922446 , US 3228421 and " The All Metal LNG Offloading System for the Adriatic LNG Terminal" by Charles Hughes and Renaud Le Devehat presented at the Gastech conference, Abu Dhabi 2006 .
  • This solution is a rigid loading arm which is positioned on a first structure for instance a FLNG, for connection to a manifold structure on a second structure for instance a LNG carrier.
  • the arm is balanced by a counter weight and makes use of rigid pipes for the transfer of fluid from one structure to the other.
  • the system also employs a swivel system to be able to compensate for relative movement between the two structures.
  • the large masses of the system made of rigid pipes and heavy counterweight may in some situations result in high dynamic forces and considerable impact on the manifold as a function of the relative movements between the structures. This may occur during connection to the second structure, and also during use when the system is installed and the fluid is transferred from one structure to the other.
  • the manifolds on the LNG carrier are especially vulnerable in these given circumstances. And the resulting forces working on the system set requirements to the wave height and thus restrictions to when the loading arm may be used for transfer of fluid.
  • an object of the invention to provide an arrangement, which has features enabling the use of the system also without the drawback of the conservative wave restrictions applying to the rigid loading arms mentioned above. It is further an object of the invention to produce an arrangement with low active dynamic masses where the load impact working in the connections is low. It is further also an object to provide a system wherein the compensation of the relative movements between the two structures is handled in a more simplified way. A further object is to provide a solution to carry out the connection to the receiving assembly such as a manifold on a structure, for instance the LNG carrier, without exposing the manifold to large forces, even when the waves are heavy.
  • the receiving assembly such as a manifold on a structure, for instance the LNG carrier
  • the invention is to be used in a situation where the transfer of fluid occurs between two structures which are arranged side by side.
  • the invention comprises an arrangement according to claim 1 and methods according to claims 19 and 20.
  • the invention comprises arrangement for connection of at least one hose carrying fluid especially LNG and/or vaporized LNG, wherein a hose end of the at least one hose has a hose end connector to be connected to a receiving assembly on a first structure located in water.
  • the hose end connector is provided with guide means and the receiving assembly is provided with receiving means.
  • the arrangement includes handling means for controlling the hose end connector to position the guide means into the receiving means and to accommodate the guide means in the receiving means so that the guide means is supported in the receiving means and the weight of the hose end connector is transferred to the receiving means.
  • the hose end connector is then brought into a connecting position with a receiving pipe coupling in the receiving assembly such as receiving pipe stud coupling.
  • a receiving pipe coupling is provided one for each hose end connector. If three hoses are included in the arrangement, the hose end connector of each hose fits with a corresponding receiving pipe coupling in the receiving assembly. In the connecting position the hose end connector may be locked to the corresponding receiving pipe coupling by suitable locking means.
  • the invention also include a method for connection of at least one hose carrying fluid especially LNG and/or vaporized LNG, wherein a hose end of the at least one hose has a hose end connector to be connected to be a receiving assembly on a first structure located in water.
  • the hose end is provided with guide means and the receiving assembly is provided with receiving means, wherein handling means is provided for controlling the hose end connector and positioning the guide means relative to the receiving assembly, wherein the method includes the following steps:
  • the guide means may be arranged so that it is easily fitted into the receiving means.
  • an axial axis of the elongated formed guide means may be oriented in parallel with an axial axis of the receiving means.
  • the guide means and or the receiving means may have features enabling the guide means to pivot in the receiving means.
  • the guide means may be configured as an elongated member, and the guide means may then be provided with plural hose end connectors spaced side by side along the guide means. At least some parts of its cross section are configured with a circular shape to be able to pivot in the receiving means.
  • the receiving means may be shaped as a cradle or a cradle shaped structure fitted for receiving the guide means.
  • the elongated formed guide means fits easily into the cradle shaped receiving means.
  • the insert of the guide means into the receiving means is easy to carry out and the fitting need not be as accurate as prior art targeting solutions where the end of a pipe like element is to be inserted into a corresponding aligning cone.
  • the receiving means may have a configuration other than a cradle shaped structure.
  • the parts of the guide means which are configured for pivoting may be enlarged compared to the overall cross section of the elongated member.
  • the receiving means may be provided with features which enable the pivoting of the guide means.
  • the receiving means may be shaped as a cradle fitted for receiving the guide means.
  • the guide means may be arranged so that it is easily fitted into the receiving means, and in one aspect the guide means may be configured as an elongated member. With the guide means formed as an elongated member, plural hose end connectors may be spaced side by side along the guide means.
  • the elongated formed guide means fits easily into the cradle shaped receiving means, and the in the accommodated position in the receiving means, an axial axis of the elongated formed guide means is oriented in parallel with the an axial axis of the receiving means.
  • the weight of the hose end connector is transferred to the receiving means from the handling means.
  • the handling means is provided for controlling and directing the guide means correctly into the receiving means before transferring the weight from the handling means to the receiving means, and thus the handling means carries the weight of the hose end connector before accommodating the guide means in the receiving means.
  • a hose guide and support structure on the first structure is provided for supporting the hose end and carrying a portion of the weight of the hose end and hose end connector when the hose end connector is connected to the receiving assembly.
  • the hose end connector is to be connected to the receiving assembly on a structure located in water.
  • the other end of the hose may be connected or adapted for connection to a connection point on another structure, such as a FLNG.
  • the weight of this hose arrangement is comparatively lower than the weight of the prior art rigid loading arm solution as described earlier, and the forces working in the receiving assembly such as the manifold is thus reduced when connecting a hose. Further using a hose arrangement makes for a solution where there is no need for swivels at all, and this makes a simplified solution compared to the rigid loading arm solution.
  • the receiving means are located above the receiving pipe coupling of the receiving assembly.
  • the guide means When positioning the guide means into the receiving means, the guide means is arranged to pivot in the receiving means with the hose end connector making a pivoting movement, when bringing the hose end connector into the connecting position with the receiving pipe coupling.
  • the guide means or the receiving means or both may be shaped so that the guide means or the receiving means in contact with each other provide for the pivoting of the guide means.
  • the guide means may be provided with appointed areas designated for the pivoting of the guide means, or the whole embodiment of the guide means may be shaped for instance with a circular cross section, so that the guide means is able to pivot in the receiving means.
  • additional means may be provided to be able to conduct the pivoting of the guide means.
  • landing and dampening means may be provided for controlling the pivoting movement of the hose end connector into the connecting position with the receiving pipe coupling.
  • the landing and dampening means may be provided as fluidly operated means or as a mechanical device, or as a combination of these two.
  • the arrangement in accordance with the invention in one embodiment is provided for controlling the hose end connector for accommodation of the guide means into the receiving means in accordance with the movement of the structure.
  • the handling means for controlling hose end connector comprises lifting and lowering means for controlling the hose end connector.
  • the lifting and lowering means may be provided by various arrangements such as a solid structure capable of maneuvering the hose end connector into the receiving assembly.
  • the handling means comprises lifting and lowering means as a line arrangement with lifting and lowering devices for paying out and retrieving lines connected to the hose end connector and thus manipulating the position of the hose end connector.
  • the lifting and lowering means comprise a hose end guiding line and a hose end suspension line both connected to the hose end connector.
  • the hose end suspension line may carry the weight of the hose end connector and the lifting and lowering devices control the hose end suspension line by paying out or retrieving the hose end suspension line and thereby controlling the position of the hose end connector.
  • the lifting and lowering devices pays out or retrieve the hose end guiding line for instance for attaching the hose end guide line to the receiving assembly.
  • the hose end guiding line is arranged for guiding the hose end connector to the receiving assembly.
  • the lifting and lowering devices may have an operation mode allowing for paying out line.
  • the lifting and lowering devices may be provided with locking means or a locking position, preventing the pay out of line.
  • the hose end guide line may be arranged sliding through a suitable device for instance a passage formed in the hose end connector so that the hose end connector is able to move relative to the hose end guide line.
  • the hose end guiding line and hose end suspension line are suspended in a support structure and controlled by lifting and lowering devices, as explained above.
  • the hose end guiding line is to be attached at the receiving assembly and the pay out and retrieval of the hose end guiding line is controlled by the lifting and lowering devices.
  • the positioning of the hose end connector is controlled by lowering the hose end suspension line moving the hose end connector along the hose end guiding line.
  • the hose end guiding line may be held in a tensioned state.
  • the tensioned hose end guiding line it may be necessary to compensate for relative movement of the structure or between the structures. In one embodiment this is done by paying out and retrieving the hose end guiding line using the lifting and lowering devices in accordance with the wave movements.
  • the paying out and retrieval of the hose end guiding line by the lifting and lowering device may be used as a reference or reflection of the wave motions to decide the timing for accommodating the guide means in the receiving means.
  • One way to provide a realistic image of the wave motions is to provide sensors to register the paying out and retrieval of the hose end guiding line.
  • the positioning and accommodation of the guide means in the receiving means is controlled by the hose end guide line and the hose end suspension line.
  • the handling means in one embodiment comprise the hose end suspension line arranged with the belonging lifting and lowering devices, wherein the hose end suspension line is suspended in the support structure and connected to the hose end connector.
  • the hose end guiding line is suspended by the support structure and connected to the hose end and may be arranged with belonging lifting and lowering devices and, for the positioning and accommodation of the guide means in the receiving means, the following steps are conducted:
  • the weight of the hose end connector causes the lowering of the hose end connector along the hose end guiding line.
  • the lowering may also be conducted otherwise, such as by bringing a winch into an operation mode and lowering the hose end connector independent of the weight of the hose end connector.
  • the hose end suspension line may be suspended in a support structure so that the counterweight and the hose end connector are positioned in a counterbalancing relationship.
  • the weight of the hose end connector may be larger than the counterweight and when an operation mode is chosen for paying out the hose suspension line this causes the lowering of the hose end connector along the hose end guiding line.
  • landing and dampening means is provided for controlling the pivoting movement of the hose end connector into the connecting position with the receiving pipe coupling.
  • the arrangement may also include means ensuring that the hose end connector is positioned correctly to fit with the corresponding receiving pipe coupling in the connecting position and also when the locking between the hose end connector and the receiving pipe coupling takes place.
  • the hose end connector is to be connected to various receiving arrangement, and as the receiving arrangement may vary from one receiving arrangement to another, it is especially useful to provide the arrangement so that the hose end connector can be fitted to match with the specific receiving arrangement.
  • the hose end connector and the receiving pipe coupling is provided with adjustment means to obtain a first correction of the positioning of the hose end connector to fit in alignment with the corresponding receiving pipe coupling in the connecting position.
  • the adjustment means may have a flexibility for adjustment of the hose end connector along three axis ensuring that the hose end connector is positioned correctly during the pivoting movement which takes place when bringing the hose end connector into connecting position with the receiving pipe coupling.
  • the guide means of the hose end connector may be arranged in an elevated position above the hose end connector by the arrangement of a distance member.
  • the adjustment means may comprise a joint allowing for the controlled displacement of the hose end connector relative to the guide means.
  • the joint may comprise a first joint part in attachment with the hose end connector and a second joint part in attachment with the guide means.
  • the first joint part and the second joint part are provided as separate structures or are made as a part of the existing construction.
  • the first joint part and the second joint are joined together by adjustment elements for instance a flexible element or adjustment screws making up a flexible joint, which is arranged so that a three axis displacement may be carried out for the hose end connector relative to the guide means to fit with the receiving pipe coupling.
  • the distance member may be divided into two parts, wherein each of the joint parts is connected to each of the distance member parts.
  • the adjustment means may comprise grooves, mechanical positioning alignment screws or guide plates provided at receiving pipe coupling.
  • the arrangement is provided with alignment means for additional correction of the position of the hose end connector to fit in alignment with the corresponding receiving pipe coupling.
  • the alignment of the hose end connector relative to the receiving pipe coupling provides a tight connection when locking the hose end connector to the receiving pipe coupling by suitable locking means.
  • the alignment means may comprise interacting alignment devices such as a first alignment device, for instance a conical shaped guiding pin which is included in the receiving assembly, and a second alignment device for instance a conical recess formed in the hose end connector.
  • the alignment means positions the hose end connector to fit with the corresponding receiving pipe coupling in the connecting position.
  • the alignment means correct the position of the hose end connector during the pivoting movement.
  • the alignment means for instance the first alignment device may include landing and dampening means for controlling the movement of the hose end connector into the connecting position with the receiving pipe coupling.
  • locking means such as hydraulic activated claws may be provided for locking the hose end connector to the receiving pipe coupling in the connecting position.
  • the adjustment means and the alignment means are provided to position the hose end connector in alignment with the receiving pipe coupling.
  • some parts of the receiving arrangements for instance the receiving means and/or the receiving pipe coupling may be arranged so that it may be adjusted to fit with hose end connector.
  • the receiving arrangement When plural hose end connectors are included in the arrangement, it may be desirable to first adjust the receiving arrangement for instance by adjusting the position of the receiving means or the receiving pipe coupling so that the pivot axis of the guide means is positioned suitable so that the pivoting movement to be carried out by the hose end connector brings the plural hose end connectors into connection position with the corresponding receiving pipe coupling.
  • the individual hose end connector will thereafter be adjusted by the adjustment means and the alignment means, to fit correctly with the corresponding receiving pipe coupling as described above.
  • the arrangement in accordance with the invention is suitable for connection of the hose end connector to a receiving assembly, but will of course also be suitable for the disconnection of the hose end connector from the receiving assembly.
  • the hose end connector which is connected to the receiving pipe coupling in the receiving assembly is first disconnected from the receiving pipe coupling and moved into a disconnecting position away from the receiving pipe coupling.
  • the guide means is still accommodated in the receiving means and the disconnecting movement is favorably carried out by pivoting the guide means in the receiving means and removing the hose end connector from the connected position by a pivoting movement.
  • the guide means is then relieved from an accommodated position in the receiving means, thereby transferring the weight of the hose end connector from the receiving means to the handling means, and then moving the hose end connector away from receiving assembly.
  • the handling means control the position of the hose end connector and thus control moving the hose end connector from the connecting position to the disconnection position.
  • the handling means comprises a hose end suspension line and a hose end guiding line
  • the hose end suspension line is lifted by the lifting and lowering devices, thereby moving the hose end connector away from the receiving pipe coupling into the disconnecting position.
  • the weight of the hose end connector is transferred from the receiving means to the hose end suspension line.
  • the further lifting of the hose end suspension line moves the hose end connector away from the receiving assembly, and the hose end connector is guided along the hose end guiding line.
  • the invention also includes a receiving assembly for connection of at least one hose end connector of the hose carrying fluid especially LNG and/or vaporized LNG.
  • the receiving assembly is also arranged with a receiving pipe coupling provided with adaptation means for fitting the at least one receiving pipe coupling with a specific hose end connector.
  • the adaptation means comprise an interface element with a configuration adaptable to preset the interface element to fit with the specific dimension/outlay of each hose end connector that has an interface element with an adaptable configuration so that hose end connectors with various outlays may fit in connection with the corresponding receiving pipe coupling.
  • the interface element has a configuration which is adaptable to preset the interface element to fit with the specific dimension/outlay of the hose end connector.
  • the interface element may be provided with a high degree of position accuracy.
  • Figs 1a-1d show an arrangement for connection of at least one hose end connector 91 to a receiving assembly 90 on a first structure 80 located in water such as an LNG carrier.
  • the hose end connector 91 is arranged at a hose end 63 of a hose carrying fluid especially LNG and/or vaporized LNG.
  • the hose end connector 91 has guide means 102, arranged elevated from the hose end connector 91 by a distance member 94.
  • the receiving assembly 90 has a connection area, in the figs 1a-1d shown as a receiving coupling pipe 15 attached to a pipe 16.
  • the receiving assembly 90 also includes receiving means 71, here shown as a cradle. Additional locking means for securing the guide means 102 in the receiving means 71 may be provided.
  • the receiving means 71 is located above the receiving coupling pipe 15.
  • the position of the hose end connector 91 is controlled by suitable handling means (not shown).
  • the handling means may comprise lifting and lowering means such as for instance a line arrangement provided with lifting and lowering devices.
  • An example of lifting and lowering means for controlling the hose end connector 91 is shown in fig 4a-4g .
  • the hose end connector 91 comprises a hose end connector valve 13 and a hose end coupler valve 14 for controlling the flow of fluid through the hose end connector 91.
  • a hose guide and support structure 300 is located on the first structure 80 and is configured for supporting the hose end 63, when the hose end connector 91 is connected to the receiving assembly 90.
  • the hose guide and support structure 300 is provided so that the receiving assembly 90 is relieved of at least some of the load provided by portions of the hose end 63and the hose end connector 91.
  • the hose guide and support structure 300 also has a bending restriction function.
  • the support structure 300 has a bending restriction part 302 with a curvature providing the hose end 63 with a curve to avoid damage on the hose.
  • the structure 301 as shown in the figures is a fence.
  • the handling means has positioned the guide means 102 just above the receiving means 71 preparing the guide means 102 to be guided into the receiving means 71. In this position the weight of the hose end connector 91 is carried by the handling means.
  • Fig 1b shows a situation where the guide means 102 has been lowered into accommodation in the receiving means 71, by the use of the handling means.
  • the weight of the hose end connector 91 is transferred from the handling means to the receiving means 71.
  • the guide means 102 may be secured in the receiving means 71 by the additional locking means.
  • the shape of the receiving means here shown as a cradle and the lowering of the guide means into the open shape of the receiving means provides an interacting arrangement where it is fairly simple to position the guide means correctly into the receiving means.
  • Fig 1c and 1d show the steps for bringing the hose end connector 91 into a connecting position with the receiving coupling pipe 15 in the receiving arrangement 90.
  • the guide means is arranged to pivot in the receiving means 71 with the hose end connector 91 making a pivoting movement.
  • the hose end connector 91 is brought into a connecting position with the receiving coupling pipe 15 and the hose end 63 is accommodated in the guide and the support structure 300.
  • the guide and the support structure 300 carries a portion of the load of the hose end 63 and the hose end connector 91.
  • the guide means 102 and or the receiving means 71 have features enabling the guide means 102 to pivot in the receiving means 71.
  • the guide means 102 may be configured as an elongated member where at least some parts of its cross section is configured with a circular shape to be able to pivot in the receiving means 71. These parts which are configured for pivoting may be enlarged compared to the overall cross section of the elongated member.
  • the receiving means 71 may be provided with features which enable the pivoting of the guide means.
  • Fig 1d shows the hose end 63 accommodated in the hose end support structure 300 and the hose end connector 91 in connecting position and ready for locking to the belonging receiving coupling pipe 15 of the receiving assembly 90, for instance by engaging coupler claws.
  • the hose end connectors belonging to the respective hose may be arranged side by side along the guide means so that the connection to the receiving assembly can be carried out almost simultaneously. The installation will follow the same procedure as when installing one hose end connector.
  • Figs 2a-2d show the hose end connector 91 arranged with a first embodiment of landing and dampening means for bringing the hose end connector 91 into a connecting position with the receiving coupling pipe 15 in a controlled manner.
  • the dampening means is shown as at least one cylinder and piston unit 120 comprising a cylinder 124 and a piston rod 121 with one end accommodated inside the cylinder 124 and the other end projecting from the cylinder 124 and provided with a wheel 122.
  • the piston rod 121 have maximum stroke out from the cylinder 124.
  • the cylinder space inside the cylinder is filled with a fluid preloading the cylinder rod and thereby providing a resistance against moving the piston rod back into the cylinder
  • the cylinder unit 120 is positioned below the hose end connector 91 and attached to the hose end connector 91 by a hinge arrangement allowing for a restricted hinging movement of the cylinder unit 120.
  • the piston rod points in the direction of the receiving assembly 90 and the wheel 122 is to be inserted in a recess 123a which is positioned below the receiving coupling pipe 15.
  • the hose end connector 91 is connected to the receiving arrangement following the steps as explained above and shown in fig 1a-1d .
  • the piston rod 121 with the wheel 122 is inserted into the recess 123a when the guide means 102 is accommodated in the receiving means 71.
  • Fig 3a-3d show a second embodiment of the landing and dampening means with features as shown in fig 2a-2d , but in this embodiment two cylinder units 120 are included, each having a piston rod 121 with a wheel 122.
  • the arrangement differs from the arrangement in fig 2a-2d in that the cylinder units 120 are positioned in a vertical direction.
  • a recess 123b is provided for each of the piston rods 121 and these recesses 123b are positioned in a distance away from the receiving arrangement.
  • the working principle of the cylinder unit 120 and the interaction between the piston end with the wheel 122 inserted in the recess 123 are the same as explained above with reference to fig 2a-2d .
  • Fig 3e-3i show a third embodiment of the landing and dampening means.
  • the landing and dampening means comprises a frame structure 403 holding a cylinder unit 120 made up by a cylinder 124 with a piston rod 121, wherein this cylinder unit has the same working principles as the cylinder units 120 as described in fig 2a-2d and fig 3a-3d .
  • a wheel 122 is included in a wheel unit 400 which is pivotally connected to the piston rod 121 with a first pivot 402.
  • the wheel unit 400 further has a second pivot 401 pivotally connecting the wheel unit to the frame structure 403.
  • a spring 404 is included in the wheel unit 400 to provide additional dampening when the wheel 122 makes contact with the hose support structure 300.
  • the landing and dampening means has an attachment point 407 for the connection of the suspension line 27 (not shown)
  • the piston rod 121 is extended from the cylinder 124.
  • the wheel unit 400 is prepared for contact with the hose support structure 300, and as the guide means 102 is accommodated and pivots in the receiving means 71, the wheel 122 arrives in contact with the hose support structure 300 as shown in fig 3g .
  • an inspection and wipe off of the contact surfaces 405, 406 to form the connection between the receiving assembly 90 and the receiving pipe coupling 15, may be carried out.
  • the cylinder unit 120 When the contact has been made between the wheel 122 and the hose support structure 300 as shown in fig 3g , the cylinder unit 120 then starts retracting the piston rod 121 into the cylinder 124. The wheel unit 400 is thereby folded and the hose end 63 is brought in supportive contact with the hose support structure 300 as the hose end connector 91 is brought into connecting position with the receiving assembly 9, as shown in fig 3i .
  • Figs 4a-4g show the installation of the hose end connector 91 into the receiving assembly 90 by the use of handling means such as lowering and lifting means comprising a line arrangement and belonging lowering and lifting devices.
  • the installation of the hose end connector 91 is carried out by the use of a support structure 200 here shown as a vertical structure 1 which is arranged with one arm 106 oriented in a transverse direction.
  • the support structure 200 is located on a FLNG 70 and the hose end connector 91 is to be connected into a receiving assembly 90 located on a first structure 80 located in water, such as a LNG carrier.
  • the support structure 200 may be located on any other structure relevant for the task to be carried out.
  • the line arrangement For the installation of the hose end connector 91, the line arrangement comprises a hose end guiding line 35 connected to the hose end connector 91.
  • the hose end guiding line 35 is provided with lifting and lowering devices such as a winch 33 for paying out and retrieving the hose end guiding line 35 and thereby controlling the position of the hose end connector 91.
  • the hose end guiding line 35 is suspended by the support structure 200 and is shown arranged on the arm 106 of the support structure 200 by means of sheaves 38, 34.
  • the arrangement also includes a hose end suspension line 27 which is also connected to the hose end connector 91.
  • the hose end suspension line 27 is attached to the support structure 200 by means of sheaves 28, 31 and provided with lifting and lowering devices such as a counter weight 22 and a winch 24 for paying out and retrieving the hose end connector suspension line 27.
  • the counterweight 22 is arranged to be displaced in a counterweight guiding path 21 as shown in the figs 4a - 4g .
  • the weight of the hose end connector 91 and the hose end connector 91 is larger than the counterweight 22, and consequently the counterweight 22 is displaced in an end stop position at end stops 25.
  • the lifting and lowering means may comprise solely a winch 22.
  • the guide means 102 of the hose end 63 is arranged in an elevated position above the hose end connector 91, by the distance member 94, as earlier explained and shown in fig 1a-1d .
  • the receiving means 71 for receiving the guide means 102 is shown in figs 4a-4g as a cradle and is arranged elevated above the pipe 16.
  • the hose end guiding line 35 is to be attached to an attachment point provided at the receiving assembly 90.
  • the attachment point may be a hole or a recess for instance with a key hole shaped opening holding the hose end guiding line 35 in position with the weight 107 acting as locking means against the key hole(this is not shown in the figs).
  • the hose end connector guiding line 35 is lowered to the LNG carrier by the use of a messenger line 93.
  • the hose end guiding line 35 has a weight 107 arranged at its end, and when the weight 107 is in a position approximately at the hose end connector 91, the hose end connector 91 is held in an essentially leveled position.
  • the winch 33 is brought into an operation mode where the hose end guiding line 35 is allowed to pay out due to the weight 107, the hose end guiding line 35 with the weight 107 is lowered down to the LNG carrier 70.
  • the hose end suspension line 27 then carries the weight of the hose end 63 and the hose end connector 91.
  • the hose end connector 91 With the weight 107 away from the hose end connector 91 and the paying out of the hose end guiding line 35 over the sheave 38, the hose end connector 91 is allowed to be tilted downwards in direction of the receiving assembly 90, see fig 4b .
  • the tilting of the hose end connector 91 is controlled by the weight balance of hose end 63 and hose end connector 91 towards the suspension point of line 27.
  • Fig 4c shows the arrival of the weight 107 and the hose end guiding line 35 on the first structure 80.
  • the weight 107 is positioned in a temporary storage on the LNG carrier, see fig 4c .
  • the winch 33 pays out a sufficient amount of the hose end guiding line 35 as illustrated by arrow A, making sure that the hose end guiding line 35 is arranged in a slack manner on the deck of the LNG carrier.
  • the hose end guiding line 35 is then ready to be connected to the receiving assembly 90, in order to make a safe attachment to the receiving assembly 90 as shown in fig 4d , without transferring the movements from the FLNG to the LNG carrier.
  • the winch 33 After the attachment of the hose end guiding line 35 to the receiving assembly 90, the winch 33 starts to retrieve the hose end guiding line 35 as shown in fig 4e , and the hose end guiding line 35 is payed out and retrieved, as illustrated by arrow AB in accordance to the relative movements between the LNG carrier and the FLNG. This enables the hose end guiding line 35 to be arranged in a stretched or tensioned manner in order to guide the hose end connector 91 along the hose end guiding line to connection with the receiving assembly 90 on the LNG carrier.
  • the winch 24 is also brought into an operation mode manner of pay-out and retrieval and automatic compensation for the relative movements between the LNG carrier and the FLNG.
  • the counterweight 22 is then lowered into an intermediate position in the guiding path 21. Hence the counterweight 22 is then keeping the suspension line 27 in a constant tension state and by weight balance regulating for the relative movements between the LNG carrier and the FLNG.
  • Fig 5a shows the inventive arrangement provided with means for adjusting to fit the hose end connector 91 relative to the receiving pipe coupling 15.
  • the receiving assembly 90 may be provided by means for positioning of the receiving means 71.
  • Fig 5b show the hose connector 91 in a connecting position with the receiving pipe coupling 15.
  • Adjustment means 160 is provided to correct the position of the hose end connector 91 to fit with the corresponding receiving pipe coupling 15 in the connecting position.
  • the adjustment means 160 is arranged so that the hose end connector 91 can be adjusted along three axis III, which are oriented perpendicular relative each other as illustrated in the fig 5a . By adjusting the hose end connector 91 along these three axis, the hose end connector 91 is positioned to fit with the receiving pipe coupling 15.
  • the adjustment means 160 is shown included in the distance element 94, here shown as a two part element.
  • Suitable locking means 157 here shown as locking claws to engage with the receiving pipe coupling 15, is provided to lock the hose end connector 91 to the receiving pipe coupling 15, as shown in fig 5b .
  • the arrangement is shown arranged with alignment means to position the hose end connector 91 correctly relative to the receiving pipe coupling 15 to obtain a sealing when carrying out the locking.
  • the alignment means is shown in fig 5a as a first alignment device 150 in the form of conical shaped guiding pins arranged in the receiving assembly 90.
  • Second alignment device 151 here shown as conical recesses is formed in the hose end connector 91.
  • the first alignment device 150 is inserted into the second alignment device 151, thereby seeking to align the hose end connector 91 with the receiving pipe coupling 15, see fig 5b .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Supports For Pipes And Cables (AREA)

Claims (19)

  1. Agencement pour le raccordement d'au moins un tuyau transportant un fluide notamment du GNL et/ou du GNL vaporisé, ledit agencement comprend ledit tuyau, un raccord d'extrémité de tuyau (91), un ensemble de réception (90) et une première structure (80) située dans l'eau dans lequel une extrémité de tuyau (63) de l'au moins un tuyau a un raccord d'extrémité de tuyau (91) qui doit être raccordé audit ensemble de réception (90) sur ladite première structure (80) située dans l'eau, dans lequel le raccord d'extrémité de tuyau (91) est pourvu d'un moyen de guidage (102) et l'ensemble de réception (90) est pourvu d'un moyen de réception (71), dans lequel l'agencement comporte un moyen de manipulation pour commander au raccord d'extrémité de tuyau (91) de positionner le moyen de guidage (102) dans le moyen de réception (71) et de loger le moyen de guidage (102) dans le moyen de réception (71) de sorte que le moyen de guidage (102) soit supporté dans le moyen de réception (71),
    caractérisé en ce que le poids du raccord d'extrémité de tuyau (91) est adapté pour être transféré au moyen de réception (71), en ce que le raccord d'extrémité de tuyau (91) est configuré pour adopter une position de raccordement avec un accouplement de tuyau de réception (15) dans l'ensemble de réception (90), avec un accouplement de tuyau de réception (15) prévu pour chaque raccord d'extrémité de tuyau (91), en ce que le moyen de réception (71) est situé au-dessus de l'accouplement de tuyau de réception (15) de l'ensemble de réception (90), permettant au moyen de guidage (102) de pivoter dans le moyen de réception (71) avec le raccord d'extrémité de tuyau (91) réalisant un mouvement de pivotement, lorsque le raccord d'extrémité de tuyau (91) est amené dans la position de raccordement avec l'accouplement de tuyau de réception (15), en ce que le moyen de manipulation comprend un moyen de montée et de descente qui comprend un câble de guidage d'extrémité de tuyau (35) et un câble de suspension d'extrémité de tuyau (27) tous deux raccordés au raccord d'extrémité de tuyau (91), dont le câble de guidage d'extrémité de tuyau (35) et le câble de suspension d'extrémité de tuyau (27) sont suspendus depuis une structure de support (200) et commandés par des dispositifs de montée et de descente, en ce que le câble de guidage d'extrémité de tuyau (35) est configuré pour être fixé à l'ensemble de réception (90), en ce que le positionnement du raccord d'extrémité de tuyau (91) est commandé en descendant le câble de suspension d'extrémité de tuyau (27) déplaçant ainsi le raccord d'extrémité de tuyau (91) le long du câble de guidage d'extrémité de tuyau (35).
  2. Agencement pour le raccordement d'au moins un tuyau selon la revendication 1, caractérisé
    en ce que le poids du raccord d'extrémité de tuyau (91) est transféré au moyen de réception (71) à partir du moyen de manipulation.
  3. Agencement pour le raccordement d'au moins un tuyau selon la revendication 1 ou 2, caractérisé en ce qu'il est adapté pour commander le raccord d'extrémité de tuyau (91) afin de loger le moyen de guidage (102) dans le moyen de réception (71) conformément au déplacement de la première structure (80).
  4. Agencement pour le raccordement d'au moins un tuyau selon l'une des revendications précédentes, caractérisé
    en ce que le moyen de réception (71) est en forme de berceau équipé pour recevoir le moyen de guidage (102).
  5. Agencement pour le raccordement d'au moins un tuyau selon l'une des revendications précédentes, caractérisé
    en ce qu'une structure de guidage et de support de tuyau (300) est prévue sur la première structure (80) pour supporter l'extrémité de tuyau (63) et supporter une portion du poids de l'extrémité de tuyau (63) et du raccord d'extrémité de tuyau (91), lorsque le raccord d'extrémité de tuyau (91) est raccordé à l'ensemble de réception (90).
  6. Agencement pour le raccordement d'au moins un tuyau selon l'une des revendications précédentes, caractérisé en ce que le câble de guidage d'extrémité de tuyau (35) fixé à l'ensemble de réception (90) est maintenu tendu en déroulant et en récupérant le câble de guidage d'extrémité de tuyau (35) suivant le déplacement de l'ensemble de réception (90) par rapport à la structure de support (200).
  7. Agencement pour le raccordement d'au moins un tuyau selon la revendication 6, caractérisé
    en ce qu'il est adapté pour le déroulement et la récupération du câble de guidage d'extrémité de tuyau (35) utilisé pour établir une référence pour le logement du moyen de guidage (102) dans le moyen de réception (71) selon le déplacement de la première structure (80).
  8. Agencement pour le raccordement d'au moins un tuyau selon l'une des revendications précédentes, caractérisé en ce que le poids du raccord d'extrémité de tuyau (91) est adapté pour provoquer la descente du raccord d'extrémité de tuyau (91) le long du câble de guidage d'extrémité de tuyau (35).
  9. Agencement pour le raccordement d'au moins un tuyau flexible selon l'une des revendications précédentes, caractérisé en ce qu'un moyen d'atterrissage et d'amortissement est prévu pour commander le mouvement pivotant du raccord d'extrémité de tuyau (91) dans la position de raccordement avec l'accouplement de tuyau de réception.
  10. Agencement pour le raccordement d'au moins un tuyau selon l'une des revendications précédentes, caractérisé
    en ce que le raccord d'extrémité de tuyau (91) et l'accouplement de tuyau de réception sont pourvus de moyens de réglage (160) pour positionner le raccord d'extrémité de tuyau (91) afin qu'il s'ajuste à l'accouplement de tuyau de réception (15) correspondant.
  11. Agencement pour le raccordement d'au moins un tuyau selon la revendication 10, caractérisé
    en ce que les moyens de réglage (160) comprennent un ou plusieurs joints flexibles permettant le déplacement commandé du raccord d'extrémité de tuyau (91) par rapport au moyen de guidage (102).
  12. Agencement pour le raccordement d'au moins un tuyau selon l'une des revendications précédentes, caractérisé
    en ce qu'un moyen de verrouillage (157) tel que des mâchoires activées hydrauliquement est prévu pour verrouiller le raccord d'extrémité de tuyau (91) à l'accouplement de tuyau de réception (15) dans la position de raccordement.
  13. Agencement pour le raccordement d'au moins un tuyau l'une des revendications précédentes, caractérisé
    en ce qu'un moyen d'alignement est prévu pour positionner le raccord d'extrémité de tuyau afin qu'il s'ajuste davantage à l'accouplement de tuyau de réception correspondant.
  14. Agencement pour le raccordement d'au moins un tuyau selon la revendication 13, caractérisé
    en ce que le moyen d'alignement comporte une unité d'amortissement (152).
  15. Agencement pour le raccordement d'au moins un tuyau selon l'une des revendications précédentes,
    caractérisé
    en ce que l'ensemble de réception (90) est agencé avec au moins un accouplement de tuyau de réception (15) pourvu d'un moyen d'adaptation pour équiper l'au moins un accouplement de tuyau de réception avec un raccord d'extrémité de tuyau (91) spécifique et le moyen de réception (71) est situé au-dessus de l'accouplement de tuyau de réception (15).
  16. Agencement pour le raccordement d'au moins un tuyau selon la revendication 15, caractérisé
    en ce que le moyen d'adaptation comprend un élément d'interface avec une configuration adaptable pour prérégler l'élément d'interface pour qu'il s'ajuste à la dimension/au contour spécifique de chaque raccord d'extrémité de tuyau (91).
  17. Agencement pour le raccordement d'au moins un raccord d'extrémité de tuyau selon l'une des revendications 15 et 16 précédentes,
    caractérisé
    en ce que l'accouplement de tuyau de réception (15) est pourvu d'un moyen de réglage (160) pour positionner le raccord d'extrémité de tuyau (91) pour qu'il s'ajuste à l'accouplement de tuyau de réception (15) correspondant.
  18. Procédé de raccordement d'au moins un tuyau transportant un fluide notamment du GNL et/ou du GNL vaporisé, dans lequel une extrémité de tuyau de l'au moins un tuyau a un raccord d'extrémité de tuyau flexible (91) à raccorder à un ensemble de réception (90) sur une première structure (80) située dans l'eau, dans lequel le raccord d'extrémité de tuyau (91) est pourvu d'un moyen de guidage (102) et l'ensemble de réception (90) est pourvu d'un moyen de réception (71), dans lequel le moyen de réception est situé au-dessus de l'accouplement de tuyau de réception de l'ensemble de réception (90), dans lequel un moyen de manipulation est prévu pour commander le raccord d'extrémité de tuyau (91) et positionner le moyen de guidage par rapport à l'ensemble de réception (90), dans lequel le moyen de manipulation comprend un câble de suspension d'extrémité de tuyau (27) agencé avec des dispositifs de montée et de descente, ledit câble de suspension d'extrémité de tuyau (27) étant suspendu depuis une structure de support et raccordé au raccord d'extrémité de tuyau, le moyen de manipulation comprend en outre un câble de guidage d'extrémité de tuyau (35) agencé avec des dispositifs de montée et de descente supportés par la structure de support (200) et raccordés à l'extrémité de tuyau,
    dans lequel le procédé comporte les étapes suivantes :
    - la fixation du câble de guidage d'extrémité de tuyau (35) à l'ensemble de réception (90),
    - la descente du câble de suspension d'extrémité de tuyau (27) et
    - le guidage du raccord d'extrémité de tuyau (91) le long du câble de guidage d'extrémité de tuyau (35),
    - le positionnement du moyen de guidage (102) pour qu'il soit logé dans le moyen de réception (71),
    - le logement du moyen de guidage (102) dans le moyen de réception (71),
    - le transfert du poids du raccord d'extrémité de tuyau (91) au moyen de réception (71),
    - le déplacement du raccord d'extrémité de tuyau (91) par un mouvement pivotant, dans une position de raccordement avec un accouplement de tuyau de réception (15).
  19. Procédé de débranchement d'au moins un tuyau transportant un fluide notamment du GNL et/ou du GNL vaporisé, dans lequel une extrémité de tuyau de l'au moins un tuyau a un raccord d'extrémité de tuyau (91) qui est dans une position de raccordement avec un accouplement de tuyau de réception d'un ensemble de réception (90) sur une première structure (80) située dans l'eau, dans lequel le raccord d'extrémité de tuyau (91) appartient à un tuyau transportant un fluide notamment du GNL et/ou du GNL vaporisé, et le raccord d'extrémité de tuyau (91) est pourvu d'un moyen de guidage (102) logé dans un moyen de réception (71) inclus dans l'ensemble de réception (90), où le moyen de réception est situé au-dessus de l'accouplement de tuyau de réception de l'ensemble de réception (90), dans lequel le moyen de manipulation est prévu pour commander le raccord d'extrémité de tuyau flexible (91) et positionner le moyen de guidage (102) par rapport à l'ensemble de réception, dans lequel le moyen de manipulation est pourvu d'un câble de suspension d'extrémité de tuyau (27) et d'un câble de guidage d'extrémité de tuyau (35), moyennant quoi ledit câble de suspension d'extrémité de tuyau (27) est suspendu depuis une structure de support (200) et raccordé au raccord d'extrémité de tuyau (91), et ledit câble de guidage d'extrémité de tuyau flexible (35) agencé avec des dispositifs de montée et de descente est supporté par la structure de support et raccordée au raccord d'extrémité de tuyau (91),
    dans lequel le procédé comporte les étapes de débranchement suivantes :
    - la montée du câble de suspension d'extrémité de tuyau (27) et
    - le guidage du raccord d'extrémité de tuyau (91) le long du câble de guidage d'extrémité de tuyau (35),
    - le déplacement du raccord d'extrémité de tuyau (91) d'une position raccordée avec un accouplement de tuyau de réception (15) dans l'ensemble de réception (90) à une position de débranchement en éloignement de l'accouplement de tuyau de réception (15) par un mouvement pivotant,
    - le relâchement du moyen de guidage (102) d'une position logée dans le moyen de réception (71), et le transfert du poids du raccord d'extrémité de tuyau (91) depuis le moyen de réception (71) au moyen de manipulation et
    - le déplacement du raccord d'extrémité de tuyau flexible (91) en éloignement de l'ensemble de réception (90).
EP14705064.5A 2013-02-05 2014-02-04 Agencements et procédé d'accouplement et de désaccouplement d'au moins un tuyau souple acheminant un fluide, en particulier du gaz naturel liquéfié et/ou du gaz naturel liquéfié vaporisé Active EP2953847B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201361760671P 2013-02-05 2013-02-05
NO20130928A NO340699B1 (no) 2013-02-05 2013-07-02 Fluidoverføringssystem, samt fremgangsmåte, for overføring av kryogenisk hydrokarbonbasert fluid fra en forsyningsstruktur til en mottaksstruktur
NO20131242A NO336992B1 (no) 2013-02-05 2013-09-16 Koblingsarrangement lastoverføring
PCT/EP2014/052137 WO2014122122A1 (fr) 2013-02-05 2014-02-04 Agencements et procédé d'accouplement et de désaccouplement d'au moins un tuyau souple acheminant un fluide, en particulier du gaz naturel liquéfié et/ou du gaz naturel liquéfié vaporisé

Publications (2)

Publication Number Publication Date
EP2953847A1 EP2953847A1 (fr) 2015-12-16
EP2953847B1 true EP2953847B1 (fr) 2017-11-29

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180274696A1 (en) * 2015-09-16 2018-09-27 Macgregor Norway As Bend restrictor
NO341918B1 (en) 2016-05-04 2018-02-19 Cefront Tech As Offshore loading hose coupling
NO345782B1 (en) * 2017-09-06 2021-08-09 Connect Lng As Tie-in system and fluid transfer system comprising such a tie-in system
FR3075755A1 (fr) * 2017-12-22 2019-06-28 Fmc Technologies Sa Systeme de transfert de produit cryogenique entre deux navires places cote a cote

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US2818891A (en) 1956-09-26 1958-01-07 Exxon Research Engineering Co Apparatus for supporting and manipulating flexible conduit connections
US2914080A (en) 1957-05-10 1959-11-24 Tippetts Abbett Mccarthy Strat Hose handling structure for transferring fluid material between ship and shore
US2922446A (en) 1958-04-16 1960-01-26 Parsons Brinckerhoff Hall & Ma Marine hose loader
US3199553A (en) * 1959-11-19 1965-08-10 Parker Hannifin Corp Ship to ship refueling device
GB900877A (en) 1959-12-01 1962-07-11 Charles Vilain Gantry for handling flexible conduits
US3228421A (en) 1962-11-23 1966-01-11 Edward S Sheiry Articulated hose derrick
WO2007113203A1 (fr) 2006-03-30 2007-10-11 Single Buoy Moorings Inc. Système de transfert d'hydrocarbures avec axe de rotation vertical
FR2941434B1 (fr) * 2009-01-27 2015-05-01 Fmc Technologies Sa Systeme de transfert d'un produit fluide et sa mise en oeuvre
NO337059B1 (no) 2009-05-25 2016-01-11 Aker Pusnes As Koblingsinnretning

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EP2953847A1 (fr) 2015-12-16

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