WO2016174361A1 - Dispositif et procédé de distribution de gaz naturel liquéfié - Google Patents
Dispositif et procédé de distribution de gaz naturel liquéfié Download PDFInfo
- Publication number
- WO2016174361A1 WO2016174361A1 PCT/FR2016/051002 FR2016051002W WO2016174361A1 WO 2016174361 A1 WO2016174361 A1 WO 2016174361A1 FR 2016051002 W FR2016051002 W FR 2016051002W WO 2016174361 A1 WO2016174361 A1 WO 2016174361A1
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- WO
- WIPO (PCT)
- Prior art keywords
- barge
- lng
- boat
- tank
- gas
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
- F17C7/02—Discharging liquefied gases
- F17C7/04—Discharging liquefied gases with change of state, e.g. vaporisation
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- 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
- 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
- B63B27/30—Arrangement of ship-based loading or unloading equipment for transfer at sea between ships or between ships and off-shore structures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/003—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting very large loads, e.g. offshore structure modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/28—Barges or lighters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/66—Tugs
- B63B35/70—Tugs for pushing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/004—Details of vessels or of the filling or discharging of vessels for large storage vessels not under pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C9/00—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure
- F17C9/02—Methods or apparatus for discharging liquefied or solidified gases from vessels not under pressure with change of state, e.g. vaporisation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/054—Size medium (>1 m3)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/01—Mounting arrangements
- F17C2205/0153—Details of mounting arrangements
- F17C2205/0157—Details of mounting arrangements for transport
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
- F17C2221/033—Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0146—Two-phase
- F17C2223/0153—Liquefied gas, e.g. LPG, GPL
- F17C2223/0161—Liquefied gas, e.g. LPG, GPL cryogenic, e.g. LNG, GNL, PLNG
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
- F17C2223/033—Small pressure, e.g. for liquefied gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/01—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the phase
- F17C2225/0107—Single phase
- F17C2225/0123—Single phase gaseous, e.g. CNG, GNC
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2225/00—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel
- F17C2225/03—Handled fluid after transfer, i.e. state of fluid after transfer from the vessel characterised by the pressure level
- F17C2225/035—High pressure, i.e. between 10 and 80 bars
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/02—Improving properties related to fluid or fluid transfer
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/05—Regasification
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/06—Fluid distribution
- F17C2265/061—Fluid distribution for supply of supplying vehicles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0102—Applications for fluid transport or storage on or in the water
- F17C2270/0105—Ships
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0102—Applications for fluid transport or storage on or in the water
- F17C2270/0105—Ships
- F17C2270/0107—Wall panels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0102—Applications for fluid transport or storage on or in the water
- F17C2270/011—Barges
- F17C2270/0113—Barges floating
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0102—Applications for fluid transport or storage on or in the water
- F17C2270/0118—Offshore
- F17C2270/0123—Terminals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0134—Applications for fluid transport or storage placed above the ground
- F17C2270/0136—Terminals
Definitions
- the present invention relates to a method and a device for dispensing liquefied natural gas. It applies, in particular, to the supply of liquefied natural gas for small regasification terminals, located on islands, for example.
- LNG means "Liquefied Natural Gas”.
- LNG is obtained by condensation of natural gas, mainly methane, condensed in the liquid state.
- natural gas condensation is the reduction in volume obtained during condensation. This volume reduction facilitates the transport of LNG over non-liquefied natural gas.
- the gas supply is made by the supply of the terminal from a methane tanker.
- the terminals thus fed generally comprise:
- the present invention aims to remedy all or part of these disadvantages.
- the present invention provides a device for dispensing liquefied natural gas to a regasification unit, which comprises:
- At least one barge comprising:
- LNG liquefied natural gas storage tank
- this boat comprising a means of feeding at least one tank of LNG and
- At least one means for moving at least one barge floating in the water to the regasification unit at least one means for moving at least one barge floating in the water to the regasification unit.
- the gas terminals built in low LNG consumption locations do not necessarily need to include a storage tank, this tank being formed by each mobile barge attached to the regasification terminal. In this way, the cost of the initial construction investment is reduced as well as the construction time of the gas terminal.
- a wharf implemented through the device is smaller than the wharf currently implemented, the semi-submersible boat is not docked to the wharf.
- the feed means includes an LNG transfer unit to at least one tank.
- the boat includes a control means of the transfer unit configured to control the execution of a first transfer mode in which at least two storage tanks are fed simultaneously with LNG.
- the boat has at least one LNG storage tank provided with LNG by the feed means.
- the LNG transfer unit is configured to transfer LNG from at least one tank to at least one tank or from at least one tank to at least one tank.
- the presence of a tank on the boat allows the boat to supply LNG each barge when moving the boat in the water.
- the semi-submersible vessel respects both the LNG rules and the semi-submersible rules as defined in the international gas carrier code ("international gas carrier code", in English).
- control means of the transfer unit is further configured to select an LNG transfer mode from:
- the boat comprises a device for transferring
- LNG from a storage tank from a first barge to a storage tank of a second barge.
- the boat comprises an evaporation gas capture means of the liquefied natural gas present in at least one LNG storage means.
- the boat comprises:
- the boat comprises a unit for pressurizing at least one storage tank.
- the pressurizing unit is configured to pressurize the LNG at a first pressure in at least one vessel and at a second pressure, different from the first pressure, in at least one other vessel.
- the semi-submersible craft further includes: at least one ballast tank for partial immersion and emergence of the boat,
- the device that is the subject of the present invention comprises the terrestrial gas network comprising a supply line for attachment to the transfer means of at least one barge.
- the gas transfer means is connected to a gas network and includes a regasification unit for liquefied natural gas supplied directly and only by the barge.
- the present invention relates to a method for dispensing liquefied natural gas to a regasification unit implementing a distribution device that is the subject of the present invention, which comprises:
- the method which is the subject of the present invention furthermore comprises: upstream of the floatation stage, a partial immersion stage of the semi-submersible boat,
- the method that is the subject of the present invention comprises, downstream of the flotation step, a step of securing at least one barge to a solid surface.
- the method which is the subject of the present invention comprises, during the displacement step, a docking step at a jetty in the vicinity of the supply pipe.
- FIG. 1 represents, schematically and in perspective, a particular embodiment of the device that is the subject of the present invention
- FIG. 2 schematically and in perspective shows a particular embodiment of the boat and the barge of the device which is the subject of the present invention
- FIG. 3 shows schematically in the form of a logic diagram of the steps of a particular embodiment of the method object of the present invention.
- storage tank refers to a storage volume of a barge 20
- the term "storage tank” refers to a storage volume of a boat 30.
- fixation used hereinafter is not limited to the fastenings making two objects integral but is used in the sense of a mechanical connection, removable or not, linking one object to another so as to what there is a mechanical stress linking these two objects.
- Such attachment is, for example, formed of fasteners or guides moving one of the two objects.
- FIG. 1 which is not to scale, schematically and seen from above, shows one embodiment of the device 10 which is the subject of the present invention.
- This device 10 for delivering liquefied natural gas to a regasification unit comprises:
- At least one barge 20 comprising:
- LNG liquefied natural gas
- the semi-submersible boat 30 for transporting each barge comprising means 325 for feeding at least one tank of LNG and
- Each barge 20 has a storage tank 105 of LNG. This storage tank
- This storage tank 105 is, for example, a volume having a cylindrical trunk shape of revolution.
- This storage tank 105 may be formed of several independent or interconnected volumes.
- the tank 105 may be of type A or C, respectively an atmospheric pressure membrane tank or a rigid pressure vessel.
- Each storage tank 105 is positioned, for example, on one face of the flotation means 1 10.
- This flotation means 1 10 is, for example, a floating surface of rectangular shape on which each barge 20 is aligned.
- Each barge 20 further includes attachment means 15 to a semi-submersible craft.
- This fastening means 1 15 is, for example, formed by a set of chains or ropes passing through rings fixed to the flotation means 1 10.
- This attachment means 1 15 has the objective of keeping the barge 20 in position during transport. of this barge 20 by the semi-submersible boat 30. More specifically, the barges are carried by the semi-submersible boat.
- the fixing means 1 15 is formed of a set of guides allowing a vertical displacement of each barge 20 once the barge connected to the boat 30.
- each barge 20 floats in the expanse of water and, when the boat 30 emerges, the guides allow to constrain the movement of each barge 20 relative to the boat 30.
- this attachment means 1 also comprises a means for securing each barge 20 to the boat 30 once the boat 30 has emerged.
- a securing means functions, for example, by magnetic attraction of each barge 20 towards a surface of the boat 30.
- the securing means is formed of chains connecting the boat 30 to each barge 20.
- each barge 20 comprises a transfer means 120 of the gas contained in the storage volume 105 to a regasification unit 405 of the terrestrial gas network 40.
- This transfer means 120 is, for example, a pipe whose opening (not shown) is connected to the inside of the storage tank 105.
- This pipe is, for example, a cryogenic hose.
- the transfer means 120 includes driving
- This buffer tank is, for example, a barge 20 permanently installed on land. It allows LNG feed regasification units if the ship is late and to ensure continuity of supply during the phases of disconnection of empty tanks and connections of full tanks.
- At least one barge 20 comprises a means 125 for attachment to a towing boat, acting as means 50 for moving, moving the barge
- the fastening means 125 is, for example, an assembly formed by a set of chains or ropes passing through rings fixed to the flotation means 1 10 of the barge. 20. These chains or ropes are connected at another end to the towing boat.
- attachment means 1 15 to a semi-submersible boat 30 and the attachment means 125 to a towing boat are merged.
- At least one barge 20 comprises a moving means, such as a motor and a propeller, for example, allowing the self-movement of the barge 20 without having to resort to an external device.
- a moving means such as a motor and a propeller, for example, allowing the self-movement of the barge 20 without having to resort to an external device.
- the semi-submersible vessel 30 is, for example, a carrier vessel having at least one ballast tank 305 of sufficient size that, when each ballast is filled with water, a storage surface is immersed in the body of water. . This partial immersion of the boat allows a displacement of the storage area. This storage surface is moved under a device to be transported, such as the barges 20 for example, before the ballasts are emptied. In this way, the semi-submersible boat 30 is emergetated and the storage surface emerges from the water and supports the device placed above the immersed surface.
- the semi-submersible boat 30 further comprises a connection means 310 of the boat 30 with each barge 20 to secure each barge 20 with the boat 30 when the boat 30 is immersed.
- This connection means 310 is, for example, formed by a set of chains or ropes connected to at least one ring positioned on the barge 20 or the boat 30.
- the supply means 325 provides LNG barges 20, at least partially empty, stowed on the semi-submersible boat.
- the boat 30 comprises a feed pipe arranged to be connected to a source of LNG such as a liquefaction plant or a LNG terminal.
- the boat 30 also includes pumps for selectively feeding one or more barges 20 to fill them in LNG simultaneously or selectively.
- all the empty tanks 105 of a semi-submersible boat can be filled by a single source while the corresponding barges 20 are already attached to the boat.
- the supply means 325 is, for example, a pipe network discharging LNG supplied to the supply line into at least one tank 105.
- the supply means 325 includes a unit 320 for transferring LNG to at least one tank 105.
- This transfer unit 320 is, for example, a network of conduits for the passage of LNG to at least one tank 105 and vice versa.
- the transfer unit 320 is, for example, a pump associated with lines 335 connecting an LNG inlet of the boat to at least one tank 105.
- the boat 30 includes at least one LNG storage tank 315 supplied with LNG by the supply means 325.
- the LNG transfer unit is configured to transfer LNG from at least one tank to at least one tank or from at least one tank to at least one tank.
- the transfer unit 320 and the supply means 325 are combined, all or part of the LNG entering a tank 105 having first passed through a tank 315.
- the transfer unit 320 is configured to suck LNG stored in at least one tank 105 so as to optimize the distribution of LNG between the various tanks 105.
- a partially empty tank 105 is attached to the boat 30, the LNG contained therein is sucked up to be accumulated in another single tank 105 also initially comprising LNG. The entire LNG is therefore in a single tank 105.
- Each tank 315 is, for example, a container (or "container") of standardized dimensions.
- All the tanks 315 are interconnected or independent.
- the boat 30 comprises a means 330 for controlling the transfer unit 320 configured to control the execution of a first transfer mode in which at least two storage tanks 105 are fed simultaneously with LNG. .
- the control means 330 is, for example, an electronic control circuit of the transfer unit 320.
- the means 330 for controlling the transfer unit 320 is, furthermore, configured to select an LNG transfer mode from among:
- the boat 30 comprises a device 335 for transferring LNG from a tank 105 for storing a first barge 10 to a storage tank of a second barge.
- the LNG transfer device 335 is, for example, a pipe connecting two tanks 105, an increase in the pressure in one of the tanks 105 causing the transfer of LNG into the other tank.
- the boat 30 comprises a means 340 for capturing evaporation gas of the liquefied natural gas present in a tank 105.
- the gas capture means 340 is, for example, similar to a hood extracting evaporation gas more volatile than LNG.
- the boat 30 comprises:
- the compression means 345 is, for example, a compressor.
- the compressed evaporation gas is supplied to a tank of the propulsion means 360 in addition to previously stored fuel.
- the evaporation gas may be supplied to the propulsion means 360 with or without an intermediate reservoir. In other variants, the evaporation gas is directly supplied to the propulsion means 360.
- the boat 30 comprises a unit 350 for pressurizing at least one storage tank 105.
- This pressurizing unit 350 is, for example, a pump. This pressurization unit 350 makes it possible to optimize the liquid heels by overpressure of the gas head in each said tank 105.
- the pressurizing unit 350 is configured to pressurize the LNG at a first pressure in at least one tank 105 and at a second pressure, greater than the first pressure, in at least one tank. minus another tank 105.
- the second pressure is at least three times greater than the first pressure. In variants, the second pressure is at least seven times greater than the first pressure. In variants, the second pressure is at least twenty times greater than the first pressure. In variants, the first pressure corresponds to the atmospheric pressure.
- the pressurizing unit 350 is configured to draw the gaseous air into each tank and store it in a single storage volume.
- Each moving means 50 is, for example, a towing boat moving each barge 20 from a wharf to the semi-submersible boat 30 or from this semi-submersible boat 30 to a wharf.
- the smaller dimensions of the towing boat 50 and each barge 20 allow the wharves (not shown) implemented to have smaller dimensions also relative to the LNG carriers and wharves referred to.
- the gas transfer means 120 is connected to a terrestrial gas network 40 comprising a feed pipe 410 to be fixed to the transfer means 120 of at least one barge 20.
- This gas network 40 does not include clean liquefied natural gas storage tank, allowing faster and cheaper construction of the gas network.
- a terrestrial network 40 is connected to at least one barge 20 transported from a storage tank filling site 105 by the semi-submersible boat 30.
- the gas network 40 preferably comprises at least two supply lines 410.
- a barge 20 full of LNG is attached to one of the lines 410 while a vacuum barge is detached from a second line 410 so as to to make a transition between the supply by the various barges 20.
- the number of supply lines 410 allows a modularity in the dimensions of the LNG storage tank formed by the barges 20.
- This gas network 40 comprises a unit 405 regasification of liquefied natural gas supplied directly and only by the barge 20.
- This regasification unit 405 increases the pressure of LNG and warms the LNG so that LNG phase changes.
- the natural gas thus obtained is transmitted to pipes for use on the gas network 40.
- the boat 30 is configured so that, during the partial immersion of this boat 30, the tanks 315 are not immersed.
- Such a configuration is achieved, for example, by immersing the front of the boat 30, the barges 20 being positioned at the front of the immersible part of the boat 30.
- Such a configuration is achieved, in variants, by a raised positioning of each tank 315.
- Such a configuration is achieved, in variants, by the addition of floats to a surface supporting each tank 315.
- Such a configuration is achieved, in variants, by the use of a mechanical means of raising each tank 315 configured for, during an immersion of the boat 30, raising each tank 315 above the level of the water.
- FIG. 2 diagrammatically and in perspective shows a particular embodiment of the semi-submersible boat, identical barges 20 and a means of displacement 50 of the barge. These three elements, 20, 30 and 50, are here represented in a body of water.
- Diagram 3 shows schematically a particular flow diagram of the process 60 object of the present invention.
- This method 60 for distributing liquefied natural gas to a regasification unit comprises:
- LNG liquefied natural gas
- the gas storage step 602 is carried out, for example, at a liquefied natural gas distribution station.
- This gas distribution station fills at least one tank of the boat.
- This gas distribution station is usually used for filling tanks of LNG carriers, these vessels supplying gas network storage facilities distant from the distribution station.
- the flotation step 610 is performed, for example, by the implementation of floats or flotation means attached to the LNG storage volume.
- the flotation means is a barge type structure, ie a flat bottom boat.
- the method 605 includes a step detachment of the LNG pipe, each barge being left free in waterline.
- the method 60 includes a step (not shown) of moving at least one barge from the waterline to a semi-submersible boat.
- the semi-submersible vessel is generally anchored off shore where the distribution station is located.
- This moving step is performed, for example, by the implementation of a crane, a towing vessel or a means of moving, such as a motor and a propeller for example.
- the fixing step 615 of each barge moved to a semi-submersible boat is carried out by:
- this fixing step 615 is complemented by a locking step of the fastener.
- This locking step is performed, for example, by the implementation of chains, or ropes, and rings connecting at least one barge to the semi-submersible boat.
- the gas storage step 605 is carried out, for example, by the implementation of a feed means or an LNG transfer unit as described with reference to FIG. 1.
- the transport step 620 is performed, for example, by the setting in motion of the semi-submersible boat to transport each fixed barge in the direction of a remote terrestrial gas network.
- the terrestrial gas network has specific characteristics in terms of LNG consumption. For this reason, this gas network has a predetermined number of supply lines to be attached to openings of a corresponding number of barges. The number of barges used depends on the consumption of the gas network and the frequency of replenishment by a semi-submersible boat as described above.
- This detachment step 630 is performed, for example, by: detachment of bindings binding each barge to the boat and
- the partial immersion step 625 of the semi-submersible boat is carried out, for example, by filling ballasts of the boat with water in the body of water. In this way, the waterline of the boat is moved to the top of the boat.
- Each barge thus detached floats in the body of water during the floatation step 645 performed, for example, similarly to the floatation step 610.
- Each floating barge is moved, during the displacement step 650, towards the terrestrial gas network.
- This displacement step 650 is performed, for example, by the implementation of a crane, a towing vessel or own moving means of at least one barge.
- the LNG is moved from the barge to a buffer tank which ensures the supply of the network or the customer when the barge is empty.
- the method 60 optionally comprises a docking step 660 is performed, for example, by the implementation of a barge traction device on the shore near the body of water.
- the method 60 includes a docking step 655 near the fuel line.
- At least one displaced barge is attached to a supply line of the gas network to supply the LNG gas network contained in the barge.
- a feeding step is performed, for example, by the implementation of a pump for extracting, from a barge attached to the terrestrial gas network, at least a portion of the LNG contained within the LNG storage volume. . LNG can also be transferred by pressure differential.
- the method 60 comprises a step of attachment 635 to the boat of a floating barge empty of gas to the semi-submersible boat.
- This fixing step 635 is carried out, for example, in the same way as the fixing carried out during the fixing step 615.
- Each empty floating barge is initially fixed to the terrestrial gas network where the power supply of the network has taken the all the LNG contained in the storage volume of this barge.
- Each barge detached from the semi-submersible boat is intended to replace at least one barge in position when the boat arrives near the gas network.
- the method 60 After detachment of the barges to be delivered to the terrestrial gas network and, where appropriate, attachment of the empty barges to the semi-submersible boat, the method 60 comprises a step 640 of emersion of the boat.
- the semi-submersible craft can transport the barges still filled with LNG to another distant terrestrial gas network, collect empty barges from these networks and then return to the distribution station to refill the barges.
- the semi-submersible boat comprises LNG loading means and LNG feed means of the empty barges stowed on the semi-submersible boat.
- the boat has a feed pipe arranged to be connected to a source of LNG such as a liquefaction plant or a LNG terminal.
- the boat also has pumps for selectively feeding one or more barges to fill them with LNG simultaneously or selectively.
- all the empty tanks of a semi-submersible boat can be filled by a single source.
- the device 10 and method 60 objects of the present invention allow the construction of terrestrial gas networks on sites with low gas consumption.
- gas networks with permanent storage tanks can not be built for economic reasons because of the cost of reservoirs and jetty necessary for the stowage of LNG carriers.
- Barges, filled at an LNG distribution station, are transported to incomplete gas networks and attached to these networks. In this way, the contents and the container of the LNG are supplied simultaneously to the incomplete gas networks, which allows:
- Terrestrial gas networks therefore have a modular gas consumption capacity and a reduced manufacturing cost compared to current systems.
- the regasification step 665 is carried out, for example, by a regasification terminal.
- the present invention makes it possible to optimize the delivery rounds made by the boat 30 in several ways depending on the nature, order and capacity of the sites to be delivered in LNG.
- This optimization can be obtained by adjusting the geometry of each tank 105 so that each barge 20 corresponds to a site, or a type of site, to deliver LNG.
- This optimization can be achieved by adjusting the number of barges according to the number of sites to be delivered in a tour.
- the optimization can also be obtained by managing, during the tour, the filling volume of each tank 105.
- the contents of a partially empty tank 105, coming from a delivery site can be transferred to another tank 105 or to a tank 315 when this tank 105 is fixed to the boat 30 or maintained in the boat.
- tank 105 based on a known capacity of the next site to be delivered and / or the presence of a buffer tank at the site.
- all the tanks 105 form a modular storage unit, the distribution of LNG between the various tanks 105 can be adjusted by transfer of LNG from one tank 105 to another 105.
- this unit of storage is complemented by tanks 315.
- This optimization makes it possible to deliver to a site the adequate quantity of LNG, this quantity being regulated upstream of the arrival of the boat 30 on the site via transfers of LNG from tank 315 to tank 105, from tank 105 to tank 105. or from tank 105 to tank 315.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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KR1020177034324A KR20170140379A (ko) | 2015-04-28 | 2016-04-28 | 액화 천연 가스 분배 방법 및 장치 |
JP2017556965A JP2018515384A (ja) | 2015-04-28 | 2016-04-28 | 液化天然ガス分配方法及びデバイス |
SG11201708824XA SG11201708824XA (en) | 2015-04-28 | 2016-04-28 | Liquefied natural gas distribution method and device |
CN201680035887.5A CN107810360A (zh) | 2015-04-28 | 2016-04-28 | 液化天然气的分配方法和装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1553804 | 2015-04-28 | ||
FR1553804A FR3035703B1 (fr) | 2015-04-28 | 2015-04-28 | Dispositif et procede de distribution de gaz naturel liquefie |
Publications (1)
Publication Number | Publication Date |
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WO2016174361A1 true WO2016174361A1 (fr) | 2016-11-03 |
Family
ID=53541780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/FR2016/051002 WO2016174361A1 (fr) | 2015-04-28 | 2016-04-28 | Dispositif et procédé de distribution de gaz naturel liquéfié |
Country Status (6)
Country | Link |
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JP (1) | JP2018515384A (fr) |
KR (1) | KR20170140379A (fr) |
CN (1) | CN107810360A (fr) |
FR (1) | FR3035703B1 (fr) |
SG (1) | SG11201708824XA (fr) |
WO (1) | WO2016174361A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109132251A (zh) * | 2018-09-14 | 2019-01-04 | 丁玉龙 | 一种基于液态气体储能的离岸可再生能源输运系统及方法 |
AU2018232894B2 (en) * | 2017-10-10 | 2024-02-29 | Woodside Energy Technologies Pty Ltd | A Method for Offshore LNG Transfer from a FLNG Facility to a LNG Carrier |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108506725B (zh) * | 2018-03-24 | 2020-01-14 | 大连理工大学 | 一种可移动液化天然气卸料平台装置及其使用方法 |
CN109595459A (zh) * | 2019-01-21 | 2019-04-09 | 周林江 | 一种液化天然气卸载系统及方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2207055A1 (fr) * | 1972-11-16 | 1974-06-14 | Inter Hull | |
DE3143457A1 (de) | 1981-11-03 | 1983-05-11 | Thiele, Heinrich, Dr., 8221 Siegsdorf | Transportsystem fuer den kombinierten inland/ueberseeverkehr |
WO1994000333A1 (fr) * | 1992-06-29 | 1994-01-06 | Kvaerner A.S | Dispositif de production de produits petroliers en mer |
US20020178988A1 (en) | 2001-06-05 | 2002-12-05 | Bowen Ronald R. | Systems and methods for transporting fluids in containers |
WO2006130785A2 (fr) | 2005-05-31 | 2006-12-07 | Dominion Resources | Procede, systeme et embarcation destines a la distribution de gaz naturel liquefie |
FR2988684A1 (fr) * | 2012-03-30 | 2013-10-04 | Romane Bl | Navire de transpoert de barges, et procede pour le chargement de barges sur ce navire |
-
2015
- 2015-04-28 FR FR1553804A patent/FR3035703B1/fr not_active Expired - Fee Related
-
2016
- 2016-04-28 WO PCT/FR2016/051002 patent/WO2016174361A1/fr active Application Filing
- 2016-04-28 CN CN201680035887.5A patent/CN107810360A/zh active Pending
- 2016-04-28 JP JP2017556965A patent/JP2018515384A/ja active Pending
- 2016-04-28 KR KR1020177034324A patent/KR20170140379A/ko unknown
- 2016-04-28 SG SG11201708824XA patent/SG11201708824XA/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2207055A1 (fr) * | 1972-11-16 | 1974-06-14 | Inter Hull | |
DE3143457A1 (de) | 1981-11-03 | 1983-05-11 | Thiele, Heinrich, Dr., 8221 Siegsdorf | Transportsystem fuer den kombinierten inland/ueberseeverkehr |
WO1994000333A1 (fr) * | 1992-06-29 | 1994-01-06 | Kvaerner A.S | Dispositif de production de produits petroliers en mer |
US20020178988A1 (en) | 2001-06-05 | 2002-12-05 | Bowen Ronald R. | Systems and methods for transporting fluids in containers |
WO2006130785A2 (fr) | 2005-05-31 | 2006-12-07 | Dominion Resources | Procede, systeme et embarcation destines a la distribution de gaz naturel liquefie |
FR2988684A1 (fr) * | 2012-03-30 | 2013-10-04 | Romane Bl | Navire de transpoert de barges, et procede pour le chargement de barges sur ce navire |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2018232894B2 (en) * | 2017-10-10 | 2024-02-29 | Woodside Energy Technologies Pty Ltd | A Method for Offshore LNG Transfer from a FLNG Facility to a LNG Carrier |
CN109132251A (zh) * | 2018-09-14 | 2019-01-04 | 丁玉龙 | 一种基于液态气体储能的离岸可再生能源输运系统及方法 |
Also Published As
Publication number | Publication date |
---|---|
FR3035703A1 (fr) | 2016-11-04 |
FR3035703B1 (fr) | 2018-03-02 |
CN107810360A (zh) | 2018-03-16 |
SG11201708824XA (en) | 2017-11-29 |
KR20170140379A (ko) | 2017-12-20 |
JP2018515384A (ja) | 2018-06-14 |
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