EP3099566A1 - Systeme de transfert de gnl d'un navire vers une installation - Google Patents
Systeme de transfert de gnl d'un navire vers une installationInfo
- Publication number
- EP3099566A1 EP3099566A1 EP15700995.2A EP15700995A EP3099566A1 EP 3099566 A1 EP3099566 A1 EP 3099566A1 EP 15700995 A EP15700995 A EP 15700995A EP 3099566 A1 EP3099566 A1 EP 3099566A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pipe
- onboard
- transfer system
- natural gas
- installation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims description 9
- 239000003949 liquefied natural gas Substances 0.000 claims abstract description 80
- 239000011261 inert gas Substances 0.000 claims abstract description 32
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 46
- 238000009434 installation Methods 0.000 claims description 42
- 239000003345 natural gas Substances 0.000 claims description 23
- 238000000605 extraction Methods 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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
- B63B27/25—Arrangement of ship-based loading or unloading equipment for cargo or passengers of pipe-lines for fluidised bulk material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B25/00—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby
- B63B25/02—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods
- B63B25/08—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid
- B63B25/12—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed
- B63B25/16—Load-accommodating arrangements, e.g. stowing, trimming; Vessels characterised thereby for bulk goods fluid closed heat-insulated
-
- 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
- B63B27/16—Arrangement of ship-based loading or unloading equipment for cargo or passengers of lifts or hoists
-
- 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
- B67D9/02—Apparatus or devices for transferring liquids when loading or unloading ships using articulated pipes
Definitions
- the invention relates to the field of fluid transfer and relates more particularly to the transfer of liquefied natural gas (LNG) between a supplier ship and an installation, such as a customer ship.
- LNG liquefied natural gas
- the document US8286678 describes a system comprising, on the supplier ship side, four flexible pipes, three of which make it possible to transfer LNG from the supply vessel to the customer ship and one to extract natural gas in the gaseous state from the customer vessel to the supply vessel. in order to balance the pressures in the gaseous skies of the tanks of the two vessels.
- the system further comprises an articulated arm, mounted on a platform of the supplier ship, and a movable frame, carried by said articulated arm.
- the mobile frame supports the ends of the four flexible pipes and has means for connecting them to the customer ship's pipes. Furthermore, the mobile frame is fixed against the hull of the client ship by means of a suction device or electromagnet.
- the inert gas is circulated through the flexible pipes of the ship and is led to the pipes of the client vessel to be inerted. Therefore, the aforementioned inerting operations are particularly long since they require to inerter the flexible pipes of the supplier ship over their entire length.
- the client vessel's pipelines In addition, in order to initiate the transfer of LNG, the client vessel's pipelines must be placed in conditions of temperature and pressure allowing the transfer of LNG without causing significant gas evaporation. natural. To do this, it is generally planned to keep LNG in the supply vessel's pipelines or to circulate LNG therein in order to maintain them or place them under acceptable temperature conditions.
- An idea underlying the invention is to provide an LNG transfer system between a ship and an installation that allows to perform a simple, fast and secure transfer of LNG from the ship to the facility.
- the invention provides a system for transferring liquefied natural gas from a ship to an installation, the transfer system comprising:
- a first conduit for the transfer of liquefied natural gas from the ship to the facility, having a first end for connection to a liquefied natural gas storage vessel and a second end;
- a second pipe for the transport of inert gas, having a first end intended to be connected to an inert gas storage tank of the ship and a second end;
- a first connection element associated with the second end of the first pipe • a second connecting element for connecting the first onboard pipe to a pipe of the installation for the transfer of liquefied natural gas to the installation;
- a valve disposed between the first and the second connecting element
- a second onboard pipe for transporting inert gas, said second onboard pipe being supported by the mobile frame, comprising a first connecting element associated with the second end of the second pipe and being connected to the first pipe embedded between the valve; and the second connecting element of the first onboard pipe.
- such a transfer system may include one or more of the following features:
- the transfer system comprises:
- a third pipe for extracting natural gas in the gaseous state from the installation to the vessel, the third pipe having a first end intended to be connected to a ship's equipment and a second end, and
- a third on-board pipe for extracting natural gas in the gaseous state from the installation to the ship, said third onboard pipe being supported by the mobile frame and comprising:
- a second connection element for connecting the third on-board pipe to a pipe of the installation for extracting natural gas in the gaseous state of the installation
- the transfer system comprises a branch section, supported by the mobile frame, equipped with a valve and connecting the first onboard pipe, between its first connection element and its valve, to the third onboard pipe, between its first element and connection and its valve.
- the second on-board pipe is connected to the first on-board pipe and, where appropriate, to the third on-board pipe respectively via a first connecting section and, where appropriate, a second connecting section, each of said onboard pipes; connecting sections being equipped with a valve.
- the second onboard pipe includes a second connecting element for connecting the second on-board pipe to a pipeline of the installation.
- one of the first onboard pipe, the second onboard pipe and / or the third onboard pipe is equipped with an emergency disconnection device.
- one of the first on-board pipe, the second on-board pipe and / or the third on-board pipe has a flexible portion which, on the one hand, is connected to an emergency disconnection device, and, on the other hand, has a free end carrying a second connecting element that can be connected to a pipe of the installation.
- the first pipe, the second pipe and / or the third pipe is flexible.
- the first pipe, the second pipe and / or the third pipe comprises at least two rigid portions connected to each other by at least one rotary joint.
- the mobile frame comprises a temporary fastening element for the mobile frame at the installation.
- the temporary fixing element of the mobile frame at the installation is a suction cup connected to a vacuum generator or an electromagnet.
- the lifting device is an articulated arm comprising a hydraulic or pneumatic actuating device.
- the transfer system further comprises a control device capable of selectively placing the actuating device in an active state, in which the actuating device is maintained under a pressure greater than or equal to the equilibrium pressure so as to allowing the articulated arm to remain in position and / or move and in a released state in which the pressure in the actuating device is released in order to put the articulated arm out of tension so that it can follow the movements between the ship and the facility.
- a control device capable of selectively placing the actuating device in an active state, in which the actuating device is maintained under a pressure greater than or equal to the equilibrium pressure so as to allowing the articulated arm to remain in position and / or move and in a released state in which the pressure in the actuating device is released in order to put the articulated arm out of tension so that it can follow the movements between the ship and the facility.
- the transfer system further comprises a control device capable of selectively placing the actuating device in an active state, in which the pressure in the actuating device is regulated in order to allow the position to be maintained and / or the movement of the articulated arm, and in a state of assistance to the support in which the actuating device is kept under pressure at a pressure below equilibrium pressure while allowing its movement, in order to allow the system to follow the relative ship movements while continuing to partially support the mobile chassis.
- a control device capable of selectively placing the actuating device in an active state, in which the pressure in the actuating device is regulated in order to allow the position to be maintained and / or the movement of the articulated arm, and in a state of assistance to the support in which the actuating device is kept under pressure at a pressure below equilibrium pressure while allowing its movement, in order to allow the system to follow the relative ship movements while continuing to partially support the mobile chassis.
- the invention also provides a vessel equipped with a transfer system as mentioned above.
- the invention also provides a method for transferring liquefied natural gas from a ship to an installation by means of a system mentioned above, said transfer system being connected to an installation comprising a pipe for the transfer of the liquefied natural gas to the plant which is, on the one hand, connected to a liquefied natural gas storage tank of the installation and, on the other hand, connected to the first onboard pipe of the transfer system, said method comprising :
- such a transfer system may include one or more of the following features: the transfer system is connected to an installation further comprising a pipe, for extracting natural gas in the gaseous state connected to the liquefied natural gas storage tank of the installation, said transfer system comprising:
- a third flexible pipe for extracting natural gas in the gaseous state from the installation to the vessel having a first end connected to a ship's equipment and a second end, and
- a third on-board pipe for extracting natural gas in the gaseous state from the installation to the ship, said third onboard pipe being supported by the mobile frame and comprising:
- a first connecting element associated with the second end of the third pipe
- a second connection element connecting the third on-board pipe to the pipe of the installation for extracting the natural gas in the gaseous state
- a valve disposed between the first and the second connecting element
- the second onboard pipe for the transfer of inert gas, being connected to the third onboard pipe, between the valve and the second connecting element of the third onboard pipe;
- valve of the third onboard pipe in which, during the inerting step, the valve of the third onboard pipe is in the closed position, and inert gas is led from the second pipe to said pipe of the installation for the extraction of natural gas at the gaseous state, via the second onboard pipe and the third onboard pipe.
- the transfer system comprises a branch section, supported by the mobile frame, equipped with a valve and connecting the first onboard pipe, between its first connection element and its valve, to the third onboard pipe, between its first element and connection and its valve, said method comprising a cold-start step of the first and third pipes in which, the valves of the first and third on-board pipes are in the closed position and the valve of the bypass section is in position open and liquefied natural gas is conducted from the first pipe to the third pipe through the bypass section.
- Figure 1 schematically illustrates a fluid transfer system during an LNG transfer operation from a supply vessel to a customer vessel.
- Figure 2 schematically illustrates the flow paths of fluids in the transfer system of the figure.
- FIG. 3 schematically illustrates the flow of LNG in the transfer system of FIGS. 1 and 2 during a preliminary cold-setting operation of the flexible pipes of the transfer system.
- Figure 4 schematically illustrates the circulation of the inert gas, in the transfer system of Figures 1 and 2, during an inerting operation.
- FIG. 5 diagrammatically illustrates the flow of LNG in the transfer system of FIGS. 1 and 2 during an LNG transfer operation from the supplier ship to the client vessel and from the extraction of the natural gas in the gaseous state. from the customer ship to the supplier ship.
- FIGS. 6 and 7 schematically illustrate the circulation of the inert gas, in the transfer system of FIGS. 1 and 2, during the operations intended to drain and purge the conduits of the client vessel after an LNG transfer operation.
- FIGS. 8, 9 and 10 schematically illustrate a fluid transfer system, during an LNG transfer operation from a supply vessel to a customer ship according to a second, a third and a fourth embodiments.
- Figure 11 illustrates a set of three rotating joints.
- a transfer system for transferring liquefied natural gas (LNG) between a supply vessel 1 and a customer ship 2 will be described below, in connection with FIGS. 1 and 2.
- the supply vessel 1 is, for example, a bunkering vessel in charge of refueling LNG from other ships, and the client ship 2, an LNG powered vessel.
- the transfer system comprises a lifting device 3 fixed on the deck 4 of the supply vessel 1 and carrying at its end a movable frame 5 to be fixed on the hull of the customer ship 2.
- the bridge 4 may in particular be equipped with a platform on which is mounted the lifting device 3.
- the lifting device 3 is an articulated arm.
- the arm is articulated on the deck 4 of the supplier ship 1, via a turntable 6 adapted to rotate about a vertical axis.
- the articulated arm comprises a first portion 7 pivotally mounted relative to the bridge 4 of the supply vessel 1 about an axis A and a second portion 8 pivotally mounted on the distal end of the first portion 7 about an axis B.
- the actuating device comprises a first jack 9 having a first end articulated on the turntable 6 and a second end articulated on the first portion 7 of the arm and a second jack 10 having a first end articulated on the first portion 7 and a second articulated end mounted on the second portion 8.
- the mobile frame 5 is equipped with one or more temporary fastening elements, not shown, for fixing it against the hull of the customer ship 2.
- a fastening element may in particular comprise one or more suction cups connected to a vacuum generator or one or more electromagnets.
- Such fasteners are particularly advantageous in that they allow to fix the movable frame 5 on the hull of the client ship 2 and to release this fastener, simply and quickly, without the intervention of an operator.
- the lifting device comprises a device for controlling the actuating device.
- the control device regulates the pressure in the actuator so as to allow deployment, folding or support of the articulated arm.
- control device is arranged to allow the articulated arm to follow the relative movement between the supply vessel 1 and the client vessel 2 when the mobile frame 5 is fixed against the hull of the client ship 2.
- the control device is able to place the actuating device in a released state in which the pressure in the hydraulic or pneumatic circuit of the actuating device is released to put the articulated arm off.
- the control device places the actuating device in a state of assistance to the support in which the actuating device is kept under pressure but at a pressure lower than the equilibrium pressure of the device. actuation to support the articulated arm while allowing its movement to allow the system to track the relative movements of ships while continuing to partially support the mobile frame.
- the transfer system shown in FIG. 2, comprises three ducts 11, 12, 13 extending between the deck 4 of the supply vessel 1 and the mobile frame 5.
- a first pipe 11 is intended for the transfer of LNG from the supply vessel 1 to the customer vessel 2.
- the first pipe 11 has a first end 11a connected to an LNG storage tank 14 of the supply vessel 2, via a pipe 15, and a second end 11b connected to a first onboard pipe 16, carried by the mobile frame 5.
- a second pipe 12 is intended for the transport of an inert gas.
- the second pipe 12 has a first end 12a connected to an inert gas storage tank 22, via a pipe 26, and a second end 12b associated with a second onboard pipe 17, carried by the mobile frame 5.
- the inert gas is a non-combustible and non-oxidizing gas or gas mixture.
- the inert gas is typically composed of nitrogen that is chemically neutral and inexpensive.
- a third pipe 13 is intended for the extraction of natural gas (NG) in the gaseous state from the client vessel 2 to the supply vessel 1.
- the first end 13a of the third pipe 13 is connected to an LNG storage tank 14 or a natural gas re-liquefaction plant, on board the supply vessel 1, via a pipe 27.
- the second end 13b of the third flexible pipe 13 is associated with a third onboard pipe 18, scope by the mobile frame 5.
- the supply vessel 1 is equipped with pumps, not shown, to generate the pressure necessary for the transfer of natural gas and inert gas.
- the first, second and third pipes 11, 12, 13 are flexible pipes so as to allow the movement of the mobile frame 5 with respect to the deck 4 of the supply vessel 1. note, in addition, that in the embodiment of Figure 8, the first, second and third pipes 11, 12, 13 flexible are suspended at a central portion on the articulated arm.
- the first, second and third ducts 11, 12, 13 each comprise at least two rigid portions connected to each other by a rotating joint 28, also called a rotating coupling. .
- a rotating joint 28 provides a rotational connection, without leakage, between the two rigid portions of the first, second and third conduits 11, 12, 13.
- the rotary joint 28 has a horizontal axis of rotation.
- its axis is coaxial with the hinge axis A between the first portion 7 and the second portion 8 of the articulated arm.
- the two portions of a pipe 11, 12, 13 are connected to one another via three rotary joints 28a, 28b, 28c having articulation A1, A2, A3 parallel and horizontal.
- the rotating joints 28a, 28b, 28c are connected by rigid tubes 29a, 29b. With such an arrangement of rotating joints 28a, 28b, 28c, it is not necessary to provide that one of the hinge pins A1, A2, A3 of the rotary joints 38a, 38, b, 38c is aligned with the articulation axis A between the first portion 7 and the second portion 8 of the articulated arm.
- the first ends 11a, 12a, 13a and the second ends 11b, 12b, 13b of the first, second and third ducts 11, 12, 13 may also be equipped with one or more rotary joints.
- the mobile frame 5 supports the first on-board pipe 16 which makes it possible to transfer the LNG from the supply vessel 1 to the customer ship 2.
- the first onboard pipe 16 comprises a first connecting element 16a for connecting said first onboard pipe 16 to the second end 11b of the first pipe 11.
- the first onboard pipe 16 further comprises a second pipe element. connection 16b for connecting said first onboard pipe 16 to a pipe 19 of the client vessel 2, via a manifold.
- the pipe 19 is connected to an LNG storage tank, not shown, of the client vessel 2.
- connecting element any element for sealing connection at least two pipes or ducts.
- the first onboard pipe 16 comprises successively, a first portion 16d fixed to the movable frame 5 and a second flexible portion 16e carrying the second connecting member 16b.
- This second flexible portion 16e facilitates the connection operations of the first onboard pipe 16 to the manifold of the client vessel 2 and also limits the efforts taken at the connection between the first onboard pipe 16 and the manifold of the client vessel 2 .
- the second flexible portion 16e is connected to the first portion 16d via an emergency disconnection device 16f for disconnecting and interrupting the LNG transfer.
- an emergency disconnection device 16f is commonly designated by the term ERC for "Emergency release coupling" in English.
- the first portion 16d of the first onboard pipe 16 is equipped with a valve 16c.
- the valve 16c is an emergency stop valve, in particular enabling the transfer of LNG to be cut off when an alarm signal has been generated.
- an alarm signal can in particular be generated manually or automatically, in the event of fire detection, leak detection, electrical failure, failure of a pump or detection of abnormal temperature or pressure conditions.
- the mobile frame 5 also supports the third onboard pipe 18 for extracting the gaseous state gas from the client vessel 2 to the supply vessel 1.
- the third embalmed pipe 18 comprises a first connecting element 18a for connecting the third pipe embarked 18 at the second end 13b of the third pipe 13 and a second connecting member 18b for connecting the third onboard pipe 18 to a pipe 21 of the customer ship 2 via a manifold.
- the pipe 21 of the client vessel is connected to the gas head of the LNG storage tank of the client vessel 2.
- the third onboard pipe 18 has a structure similar to that of the first onboard pipe 16.
- the third onboard pipe 18 comprises a first portion 18d fixed to the movable frame 5 and provided with a valve 18c, a second flexible portion 18c carrying the second connecting member 18b and an emergency disconnecting device 18f connecting the first portion 18d and the second flexible portion 18e.
- the mobile frame 5 also supports a branch section 23 connecting the first line 16 and the third line 18.
- the branch section 23 comprises a valve 23a and opens into each of the first and third lines 16, 18, between their first and second lines. connecting element 16a, 18a and their valve 16c, 18c.
- the bypass section 23 makes it possible to establish an LNG circulation making it possible to place the first pipe 11 under conditions of acceptable temperatures, before the transfer of LNG to the client vessel 2.
- the mobile frame 5 supports a second on-board pipe 17 connected to the inert gas storage tank 22 via the second pipe 12.
- the second onboard pipe 17 comprises a first connecting element 17a for connecting the second embedded pipe 17 at the second end 12b of the second pipe 12.
- the second onboard pipe 17 is connected to the first pipe 16 via a connecting section 24.
- the connecting section 24 is equipped with a valve 24a .
- the connection section 24 opens into the first on-board pipe 16 between the valve 16c and the second connecting element 16b.
- the second onboard pipe 17 is connected to the third onboard pipe 18 via a connecting section 25 equipped with a valve 25a.
- the connecting section 25 opens into the third onboard pipe 18 between the valve 18c and the second connecting element 18b.
- the connection sections 24, 25 are connected, on the one hand, to the second channel embedded 17 and, secondly, the first or the third onboard pipe 16, 18 via three-way connections.
- the inert gas can be directly injected at the end of the first and third on-board pipes 16, 18 and pipes 19, 21 of the client vessel 2 without first passing through the first and third lines 11, 13.
- the customer ship 2 is equipped with an inert gas storage tank. Therefore, the second onboard pipe 17 can be connected to a pipe 20 of the client vessel 3 to allow an inert gas transfer from the supply vessel 1 to the client vessel 2. Also, the second onboard pipe 17 also comprises a first portion 17d attached to the movable frame 5, a second flexible portion 17e carrying a second connecting member 17b for connecting the second onboard pipe 17 to a pipe 20 of the client vessel 2 and an emergency disconnection device 17f connecting the first portion 17d and the second flexible portion 17th. The second onboard pipe 17 is also provided with a valve 17c, which, in the embodiment shown, is carried by the second flexible portion 17d.
- the transfer system has only one LNG transfer line to the customer vessel 2.
- the invention is not limited to such an embodiment, and the transfer system may also comprise a plurality of pipes 11 for the transfer of LNG from the supplying vessel 1 to the client vessel 2 and a plurality of onboard pipes 16 for connecting the pipes 11 to the pipes 19 of the client vessel 2.
- each of the ducts 11 is connected to the second onboard pipe 17 via a connection section 24.
- the transfer system is equipped with an extraction line for extracting natural gas in the gaseous state from the client vessel 2 to the supply vessel 1, the invention is in no way limited to such an embodiment, and the transfer system may be devoid of such an extraction line.
- the LNG storage tank of the supply vessel 1 is a type C tank, that is to say a cylindrical tank for storing the pressurized natural gas
- the transfer of the LNG to the customer vessel 2 can be obtained by maintaining in the tank 14 of the ship supplier 1 a pressure greater than that prevailing in the tank of the client vessel 2. In this case, it is not necessary to provide a natural gas extraction from the gas head of the client vessel 2 to the supply vessel 1. In addition, no pump is needed to transfer LNG.
- Figures 3 to 7 illustrate a sequence of operations implemented during an LNG supply operation of a customer ship 2 by a supply vessel 1.
- a first preliminary cold-start step of the first and third pipes 11, 13, illustrated in FIG. 3 LNG is circulated through the first pipe 11 and the third pipe 13 so that place them in conditions of temperature and pressure suitable for the transfer of LNG.
- the LNG is led through the first pipe 11 and is then passed via the bypass section 23 to the third pipe 13 in order to return to the LNG storage tank 14.
- the valves 16c, 18c of the first and third onboard pipes 16, 18 are in the closed position while the valve 23 equipping the branch section is in the open position.
- This preliminary step can be implemented during the approach phase of the ships 1 and 2 while the mobile frame 5 is not yet fixed on the hull of the client ship 2.
- the first and third onboard pipes 16, 18 are connected to the pipes 19, 21 of the client vessel 2 and a preliminary inerting step can be carried out, as shown in FIG. 4.
- the inert gas is conduit of the second pipe 12 to the pipes 19, 21 of the customer ship via the connecting sections 24, 25 and second portions 16e, 8e of the first and third onboard pipes 16, 18.
- the valves 16c , 18c of the first and third onboard pipes 16, 18 are maintained in the closed position and the valves 24a, 25a equipping the connecting sections 24, 25 are in the open position.
- This operation is advantageously used to test the tightness of the connections, in particular between the first and third on-board pipes 16, 18 and the pipes 19, 21 of the client vessel 2.
- the transfer operation is shown in FIG. 5.
- the LNG is led from the LNG storage tank 14 of the supply vessel 1 to that of the client vessel 2, via the first pipe 11, the first on-board pipe 16 and the pipe 19.
- the NG in the gaseous state is extracted from the LNG storage tank through the pipe 21, the third onboard pipe 18 and the third pipe 13.
- the valves 16c, 18c of the first and third onboard pipes 16, 18 are placed in the open position while the valves 23a, 24a, 25a equipping the branch section 23 and the connecting sections 24, 25 are closed.
- inert gas is fed from the second pipe 12 to the pipe 19, through a portion of the second embedded pipe 17, of the pipe section. connection 24 and the second flexible portion 16e of the first onboard pipe 16.
- the inert gas thus pushes the LNG to the LNG storage tank of the client vessel 2.
- the extraction of GN at the gaseous state is maintained, through the pipe 21, the third onboard pipe 18 and the third pipe 13.
- the valves 16c, 23a and 25a of the first onboard pipe 16, the branch section 23 and the connection section 25 are in the closed position while the valves 18c, 24a, the third onboard pipe 18 and the connecting section are in the open position.
- the first and third onboard pipes 16, 18 are connected to the pipes 19, 21 and the inert gas is led from the second pipe 12 to the pipes 19, 21 of the ship. customer through the connecting sections 24, 25 and the second flexible portions 16e, 18e of the first and third onboard pipes 16, 18.
- the mixture of LNG and inert gas is then removed to be burned.
- the valves 16c, 18c of the first and third onboard pipes 16, 18 are held in the closed position and the valves 24a, 25a equipping the connection sections are in the open position. Therefore, the first and third onboard pipes 16, 18 can be disassociated from the pipes 19, 21 of the client vessel 2
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1450801A FR3017127B1 (fr) | 2014-01-31 | 2014-01-31 | Systeme de transfert de gnl d'un navire vers une installation |
PCT/EP2015/050935 WO2015113857A1 (fr) | 2014-01-31 | 2015-01-20 | Systeme de transfert de gnl d'un navire vers une installation |
Publications (3)
Publication Number | Publication Date |
---|---|
EP3099566A1 true EP3099566A1 (fr) | 2016-12-07 |
EP3099566B1 EP3099566B1 (fr) | 2018-03-21 |
EP3099566B8 EP3099566B8 (fr) | 2018-05-16 |
Family
ID=50829091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15700995.2A Active EP3099566B8 (fr) | 2014-01-31 | 2015-01-20 | Systeme de transfert de gnl d'un navire vers une installation |
Country Status (6)
Country | Link |
---|---|
US (1) | US10589826B2 (fr) |
EP (1) | EP3099566B8 (fr) |
KR (1) | KR102251558B1 (fr) |
CN (1) | CN106061832B (fr) |
FR (1) | FR3017127B1 (fr) |
WO (1) | WO2015113857A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6810132B2 (ja) * | 2015-05-08 | 2021-01-06 | アカボティクス,リミティド ライアビリティ カンパニー | 小型浚渫システムおよびそれを用いる方法 |
EP3678930B1 (fr) | 2017-09-06 | 2024-06-19 | Connect LNG AS | Système de raccordement et système de transfert de fluide consistant en un tel système de raccordement |
KR102460619B1 (ko) * | 2019-01-18 | 2022-10-27 | 삼성중공업 주식회사 | 외장형 액화가스 저장부를 갖는 부유식 해상 구조물 |
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US3085593A (en) * | 1960-05-19 | 1963-04-16 | Harry E Sorensen | Cargo transfer apparatus |
NL302481A (fr) * | 1963-02-20 | 1900-01-01 | ||
US3221772A (en) * | 1963-03-11 | 1965-12-07 | Mississippi Valley Structural | Articulated conduit boom assembly |
US3217748A (en) * | 1963-06-26 | 1965-11-16 | John D Harper | Flexible insulated fluid transfer apparatus |
US3463114A (en) * | 1968-04-24 | 1969-08-26 | Stanwick Corp The | Method for maneuvering a vessel with respect to its station |
US3825045A (en) * | 1972-08-22 | 1974-07-23 | Fmc Corp | Fluid delivery and vapor recovery apparatus |
NL7414096A (nl) * | 1973-11-06 | 1975-05-09 | Ishikawajima Harima Heavy Ind | Meerinrichting. |
US3921684A (en) * | 1973-12-19 | 1975-11-25 | Lawrence P Allen | Apparatus for coupling oil loading hose and other conduit with a storage tank fill pipe |
US4099542A (en) * | 1976-06-09 | 1978-07-11 | Fmc Corporation | Marine loading arm jumper assembly |
CA1099186A (fr) * | 1978-04-08 | 1981-04-14 | George Fujita | Traduction non-disponible |
JPS6088298A (ja) * | 1983-10-21 | 1985-05-18 | Niigata Eng Co Ltd | 液体荷役方法 |
GB8530592D0 (en) * | 1985-12-12 | 1986-01-22 | British Aerospace | Open sea transfer of fluids |
NO315194B1 (no) * | 1998-01-30 | 2003-07-28 | Navion As | Fremgangsmåte og system for eksport av LNG og kondensat fra et flytende produksjons-, lagrings- og lossefartöy |
EP0947464A1 (fr) * | 1998-04-01 | 1999-10-06 | Single Buoy Moorings Inc. | Dispositif de transfert avec conduits de fluide coaxials |
NO312715B1 (no) * | 1999-10-27 | 2002-06-24 | Statoil Asa | System for offshore overföring av flytendegjort naturgass |
AU2002341632B2 (en) * | 2001-04-17 | 2006-08-17 | Cavotec Moormaster Limited | Mooring robot |
NZ520450A (en) * | 2002-07-30 | 2004-12-24 | Mooring Systems Ltd | Method of controlling a mooring system |
WO2004099061A1 (fr) * | 2003-05-05 | 2004-11-18 | Single Buoy Moorings Inc. | Systeme de transfert d'hydrocarbures equipe d'un bras de transfert a amortissement |
CN1946606B (zh) * | 2004-04-29 | 2010-11-10 | 辛格尔浮筒系船公司 | 并列式碳氢化合物转移系统 |
GB2420319B (en) * | 2004-11-22 | 2007-04-04 | Bluewater Engergy Services Bv | Apparatus for the offshore transfer of fluid |
US7464734B2 (en) * | 2005-08-08 | 2008-12-16 | Xuejie Liu | Self-cooling pipeline system and method for transfer of cryogenic fluids |
FR2903653B1 (fr) * | 2006-07-13 | 2009-04-10 | Eurodim Sa | Systeme de transfert d'un fluide tel que du gaz naturel liquefie entre un navire tel qu'un methanier navette et une unite flottante ou fixe. |
FR2927322B1 (fr) * | 2008-02-08 | 2010-03-05 | Fmc Technologies Sa | Dispositif de commande directe, notamment proportionnelle et/ou de chargement et/ou dechargement de fluides |
FR2931451B1 (fr) * | 2008-05-22 | 2010-12-17 | Fmc Technologies Sa | Dispositif de commande pour systeme de chargement et/ou dechargement de fluides |
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EP2727812B1 (fr) * | 2008-11-20 | 2021-07-28 | Single Buoy Moorings Inc | Unité multifonction pour le transfert offshore d'hydrocarbures |
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US9004102B2 (en) * | 2010-09-22 | 2015-04-14 | Keppel Offshore & Marine Technology Centre Pte Ltd | Apparatus and method for offloading a hydrocarbon fluid |
KR101198829B1 (ko) * | 2010-11-04 | 2012-11-07 | 한국과학기술원 | 선박의 계류 시스템, 이를 이용한 부유체, 이동항구 및 안벽 |
FR2968058B1 (fr) * | 2010-11-30 | 2012-12-28 | Saipem Sa | Support en mer equipe d'un dispositif de stockage et de guidage de conduites flexibles utiles pour le transfert en mer de produits petroliers |
FR2967990B1 (fr) * | 2010-11-30 | 2014-11-28 | Saipem Sa | Support installe en mer equipe d'un dispositif de connexion et de vannes utile pour la purge de conduites flexibles |
SG184636A1 (en) * | 2011-03-11 | 2012-10-30 | Keppel Offshore & Marine Technology Ct Pte Ltd | Offshore systems and methods for liquefied gas production, storage and offloading to reduce and prevent damage |
KR20130134244A (ko) * | 2012-05-30 | 2013-12-10 | 에스티엑스조선해양 주식회사 | 액체 화물 이송 장치 및 이를 구비한 액화 천연 가스 운반선 |
FR2999522B1 (fr) * | 2012-12-18 | 2015-01-16 | Gaztransp Et Technigaz | Systeme de manutention pour conduite flexible |
-
2014
- 2014-01-31 FR FR1450801A patent/FR3017127B1/fr not_active Expired - Fee Related
-
2015
- 2015-01-20 EP EP15700995.2A patent/EP3099566B8/fr active Active
- 2015-01-20 US US15/112,738 patent/US10589826B2/en active Active
- 2015-01-20 CN CN201580005806.2A patent/CN106061832B/zh active Active
- 2015-01-20 WO PCT/EP2015/050935 patent/WO2015113857A1/fr active Application Filing
- 2015-01-20 KR KR1020167021601A patent/KR102251558B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
CN106061832B (zh) | 2018-09-28 |
US20160332703A1 (en) | 2016-11-17 |
WO2015113857A1 (fr) | 2015-08-06 |
EP3099566B8 (fr) | 2018-05-16 |
KR102251558B1 (ko) | 2021-05-13 |
US10589826B2 (en) | 2020-03-17 |
FR3017127B1 (fr) | 2016-02-05 |
KR20160133417A (ko) | 2016-11-22 |
CN106061832A (zh) | 2016-10-26 |
FR3017127A1 (fr) | 2015-08-07 |
EP3099566B1 (fr) | 2018-03-21 |
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