EP2646725A1 - Support en mer equipe d'un dispositif de stockage et de guidage de conduites flexibles. - Google Patents
Support en mer equipe d'un dispositif de stockage et de guidage de conduites flexibles.Info
- Publication number
- EP2646725A1 EP2646725A1 EP11787889.2A EP11787889A EP2646725A1 EP 2646725 A1 EP2646725 A1 EP 2646725A1 EP 11787889 A EP11787889 A EP 11787889A EP 2646725 A1 EP2646725 A1 EP 2646725A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pipe
- support
- flexible
- turntable
- pipes
- 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
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
- B63B27/30—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
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/40—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable
- B65H75/42—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable attached to, or forming part of, mobile tools, machines or vehicles
- B65H75/425—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material mobile or transportable attached to, or forming part of, mobile tools, machines or vehicles attached to, or forming part of a vehicle, e.g. truck, trailer, vessel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4402—Guiding arrangements to control paying-out and re-storing of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4478—Constructional details relating to handling of fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/33—Hollow or hose-like material
Definitions
- the present invention relates to a support installed at sea open, in a fixed or floating manner, that is to say resting or respectively anchored at the bottom of the sea, said support being equipped on the surface with a storage device and flexible pipe guide capable of storing and guiding a plurality, preferably at least 3 said flexible pipes useful for the offshore transfer of petroleum products.
- the device for storing and guiding flexible pipes disposed on board a support allows the handling of said flexible pipes for their storage in the wound state between two fluid transfers within said flexible conduits between the floating support. and a stripping vessel, and for the unwinding of said pipes to implement a said transfer of fluid between a said floating support and a said vessel preferably of the LNG type.
- a particularly particular technical field of use of a support according to the invention is the field of discharging offshore petroleum products including both crude oil and diesel or liquefied gases, in particular natural gas GN L. or gas in the gaseous state, from a said support, for example at a petroleum field, to a removal vessel arranged in pairs or in tandem as explained below.
- offshore petroleum products including both crude oil and diesel or liquefied gases, in particular natural gas GN L. or gas in the gaseous state
- the technical field of the invention is more particularly the field of the transfer at sea of liquefied natural gas (GN L) at -165 ° C., between a floating support comprising at least one LNG storage tank, and a vessel preferably LNG type arranged in tandem or torque, that is to say at a distance from the floating support in the same longitudinal direction as said floating support, or parallel thereto.
- GN L liquefied natural gas
- FPSO Floating-Production-Storage-Offloading
- Petroleum products such as oil and / or gas are then exported by removals vessels which come regularly, for example every week, to recover the production of the field. Three techniques are commonly used for this purpose.
- a first technique consists in installing, at a distance of about 1000-1500m from the FPSO, a so-called loading buoy connected to the FPSO by an underwater pipe, the oil or gas being transferred into said unloading buoy via said sub-pipe. Marine . An abducting tanker then berths at said loading buoy, then the load is recovered via flexible connecting pipes connected to said buoy floating on the surface of the sea, the oil or gas being then pushed by a pump on board. FPSO to perform the loading of the oil tanker.
- a second technique is to bring the removal vessel FPSO couple, that is to say bordered against the plating.
- the transfer is carried out either by articulated type loading arms, as is usual during transfers to the port, or by flexible pipes of reduced lengths.
- a third technique consists in arranging the collecting vessel in tandem with the FPSO, that is to say that the collecting vessel is positioned in the axis of the FPSO at a safety distance of at least 50 to 150 m, then mooring at the latter, and recovering the end of the flexible pipes extending from the floating support where they are connected to a tank at their other end and floating on the sea, to connect them on board the said removing vessel, the oil or the gas is then pushed by a pump from the FPSO to perform the loading of the oil tanker.
- a loading buoy On the oil fields, it is generally preferred to implement a loading buoy, but it is generally associated with a redundancy device that can be either a torque device that is to say with a removal vessel arranged in pairs of the FPSO, or a tandem device that is to say with a removals vessel disposed in the FPSO ndem, sometimes even both devices.
- a redundancy device can be either a torque device that is to say with a removal vessel arranged in pairs of the FPSO, or a tandem device that is to say with a removals vessel disposed in the FPSO ndem, sometimes even both devices.
- the transfer devices comprise at least one forward link line for the liquefied gas, and a return link line, in general of smaller diameter, to evacuate the gas from the vessels of the removal vessel as filling by the GN L, especially methane gas, so reliquefier aboard the FPSO.
- the flexible connection lines must be almost completely emptied after unloading, so as to avoid the formation and accumulation of ice on said pipes and more particularly at the mechanical connections of said pipes.
- the latter must be extremely insulated in order to limit the regasification of liquid methane (LNG) during its transfer.
- Tandem unloading is much safer, but the unloading lines are longer and therefore more complicated to maneuver and store onboard the FPSO.
- numerous devices for storing and guiding flexible pipes onboard the FPSO have been developed. Some use a considerable articulated type supporting structure supporting a plurality of rigid pipes having rotary joints as a hinge, as detailed in US Pat. No. 4,393,906.
- Another technical area is the offshore storage of LNG near a site of use, for example to ship the gas on the continent after regasification, or to transform it on the spot into electrical energy to send back the electricity in the local network.
- the ship unloads its cargo of LNG and the floating support is called "FSRU" (Floating Storage Regase Unit), ie floating storage unit and regasification.
- FSRU Floating Storage Regase Unit
- the object of the present invention is to provide a device for unloading in torque or in tandem between a support and an improved removal vessel.
- the object of the present invention is to provide a support at sea equipped with a device for supporting and guiding flexible pipes facilitating the handling of said pipes to implement a transfer of fluid between the floating support and a removal vessel and for storing said flexible pipes on board the floating support between two transfers.
- a problem to be solved according to the present invention is to provide a device for storing and guiding said flexible pipes which make it possible to regulate in a controlled manner the tension and the length between said floating support and said stripping vessel so as in particular to prevent the interfering a plurality of connecting lines extending between said floating support and said stripping vessel from the storage and guidance device.
- the present invention essentially consists of a support installed at sea equipped with a device for storing and guiding flexible pipes, comprising:
- a first supporting structure supporting a plurality of rotating plates arranged one above the other
- a rotary joint connection for connecting between a first end closest to the center of the plate of a flexible pipe wound on said plate, adapted to be rotated with said plate, and on the other hand a end of a transfer line which remains fixed when said plate is rotated, preferably in communication with at least a first tank within said support, and
- a plurality of guiding means able to guide the portions of said flexible ducts outside said rotating plates in continuity with the remaining portions of ducts resting on said plate, so that said duct portions at the outlet of said trays are arranged rectilignement, at different positions in a horizontal direction ⁇ parallel to said ply, at different heights and can adopt different inclinations al, a2, a3 of their vertical axial planes PI, P2, P3 relative to said horizontal YiY direction parallel to the said bordered.
- the present invention provides a support installed at sea, in a fixed or floating manner, said support being equipped on the surface with a device for storing and guiding flexible pipes capable of storing and guiding a plurality, preferably at least 3 said flexible pipes, characterized in that said storage and guiding device comprises:
- first supporting structure resting on or integral with the bridge of said support near an edge of said support, preferably a wall of a longitudinal end of said support, said first supporting structure supporting a plurality of circular circular plates arranged one above others,
- each said turntable being adapted to be rotated in a motorized manner by a first motor along a vertical central axis ZZ 'independently of one another, preferably along the same vertical central axis ZZ', each turntable having a central orifice; surmounted by a central shaft against and around which a said flexible pipe can be wound in concentric juxtaposed spirals of increasing diameters resting on the upper face of said plateau, said central orifice of said turntable being equipped with a rotary joint fitting adapted to allowing the connection between a first end closest to said central shaft of a flexible pipe wound around said central shaft, said first pipe end being able to be rotated with said rotary plate, and on the other hand, one end of a fixed transfer line, the other end of which is unication with at least a first tank within said support, and - a plurality of guide means, each said guide means being adapted to guide the portion of said line output respectively of said said turntable in continuity of the driving portion wound on said plate, so that the different said portions of
- pipe portion at the outlet of the plate corresponds to the non-wound pipe portion in continuity with the last turn of the wound pipe, in particular during winding or unwinding.
- the device according to the invention is particularly advantageous for arranging each other with respect to the others and for independently adjusting the length and / or the tension of the different pipes extending at the outlet of trays between said trays and the second ends of flexible ducts opening to a second vessel, in particular an eradicating vessel, so that they do not risk interfering with each other, or even colliding with one another, especially during the unwinding or winding of the forward or respectively after deployment of said pipes between said floating support and said removing vessel.
- flexible pipe refers to the pipes known under the name “flexible”, which are well known to those skilled in the art and which have been described in the normative documents published by the American Petroleum Institute (API), more particularly under the API 17J and API RP 17 B references.
- API American Petroleum Institute
- hoses are in particular manufactured and marketed by COFLEXIP France.
- These flexible pipes generally comprise internal sealing layers of thermoplastic materials associated with layers resistant to the pressure internal to the pipe, generally made of steel or composite materials made in the form of spiral strips, contiguous inside the thermoplastic pipe to withstand the internal burst pressure and supplemented by external reinforcements above the thermoplastic tubular layer also in the form of contiguous spiral strips, but with a longer pitch, that is to say an angle d inclination of the lower helix, in particular from 15 ° to 55 °.
- At least one said flexible pipe is wound against and around a said central shaft in concentric juxtaposed spirals of increasing diameter resting on said turntable, said central shaft having a radius greater than the minimum radius of curvature of said flexible pipe, preferably at least 3 flexible pipes are wound on respectively at least 3 said rotating plates, including at least one flexible pipe of smaller diameter than the others.
- the assembly of said storage and guiding device, said flexible ducts being guided by means of a said storage and guiding device, and if necessary of said first and second connection device and valves, constitute a device fluid transfer from a said support installed at sea, preferably to a said vessel.
- the present invention also provides a method for transferring a liquid or gaseous petroleum product in which a said petroleum product is transferred into at least two flexible pipes, preferably at least three flexible pipes extending between a said support according to the invention and a vessel preferably of the LNG type arranged in pairs or tandem next to said floating support opposite said plating, said flexible pipes being guided by means of a said storage and guiding device.
- said transfer consists of an unloading of the liquefied gas from said support to a said vessel, referred to as the removing vessel.
- said transfer consists of a liquefied gas charge from a said ship, referred to as a supply vessel, to said support.
- a supply vessel a liquefied gas charge from a said ship, referred to as a supply vessel.
- said floating support may also contain a unit for generating electricity from said gas and a transformer station for sending electrical power to the earth.
- said support is advantageously a support resta nt at the bottom of the sea.
- said flexible pipes are floating pipes, floating on the surface over a portion of the distance between said support and said vessel preferably of the LNG type.
- At least a first flexible pipe preferably at least two first and second flexible pipes, in which or from which liquefied gas is transferred between said support
- at least a second tank of said vessel preferably of LNG type
- a third flexible pipe preferably of smaller diameter than said first and second flexible pipes in which gas corresponding to the gas sky of the second tank is transferred between a said second tank to a first tank within said floating support or a liquefaction unit on a said support before transfer to a said first tank.
- said LNG tanker is a scavenging vessel and where the liquefied gas is discharged from said floating support to said scavenging vessel, the return of gas from said scavenger vessel to said floating support is at as the said second tank is filled within the said removal vessel.
- each said guide means is disposed at a different height vis-à-vis each said turntable respectively, so as to be able to support a curved intermediate portion of driving between a downstream portion of said pipe in a substantially vertical position along said plating and a said upstream portion of the pipe at the outlet of the plate in continuity with the wound pipe portion resting on a said turntable, said upstream portion of the pipe at the outlet of the plate; extending on a virtual plane P substantially tangent to the surface of the upper face of said plate on which said wound pipe portion is wound, the various downstream pipe portions in a substantially vertical position along said strip being disposed in offset position, one by relative to the others in a said direction Y2Y2 'parallel to the said bordered at the output of said lees.
- each said guide means comprises a pulley of horizontal axis Y1Y1 'of first rotation on itself, said pulley being further able to move, preferably freely, in second rotation with respect to a vertical axis passing by a diameter of the pulley, said first rotation on itself of each said pulley being preferably controlled by a second motor, preferably synchronized with said first motor of each said plateau.
- a said intermediate portion of curved pipe supported by said pulley can to remain permanently in the same substantially vertical plane PI, P2, P3 that a said upstream portion of pipe in exit of plateau, the various planes PI, P2, P3 being inclined at a different angle al, al, a3 with respect to said direction ⁇ , to reach the level of said turntable in continuity and in tangential alignment of the end of the last coiled wound turn thus allowing the optimal trenching of the pipe as winding or unwinding of said pipe around said central shaft.
- said guide means are constituted simply by chutes. More particularly, the different pulleys are arranged offset from each other in said horizontal direction ⁇ horizontal parallel to said plating, at different heights, the high point of each pulley being preferably positioned substantially at a tangential plane P on the upper face of a said turntable. It will be understood that the different downstream pipe portions in a substantially vertical position along said plating are thus arranged side by side in a said direction YiY, preferably parallel to the said ply at the outlet of the said pulleys, preferably each pulley being adjustable in height relative to at said part of its said second supporting structure attached to said plating.
- each pulley is supported by a second bearing structure disposed outside said floating support and fixed to the same plating at a different position in a said horizontal direction YiYi 'parallel to said ply, each pulley being articulated to said second vertical axis of rotation ZZ Î over a part of its said second bearing structure attached to said plating.
- each said plate comprises or cooperates in the underside with wheels capable of cooperating with or respectively supported by elements of said carrier structure and each said rotating plate comprises at said central orifice a bearing integral with said first bearing structure adapted to allow rotation of said plate in relative rotation with respect to said first bearing structure.
- said rotating plates may be such that:
- At least one said turntable has a flat horizontal top face
- At least one said turntable has an upper face of concave frustoconical shape, preferably with an apex angle ⁇ of 160 to 178 °; at least one said rotating plate has an upper face of convex frustoconical shape, preferably having a top angle ⁇ of 160 to 178.
- Concave or convex frustoconical shape is understood here to mean that the virtual sum of said cone is below or respectively above said frustoconical surface. It is understood that the angle of conicity relative to the horizontal will be 1 to 10 °.
- a convex or concave frustoconical turntable is particularly useful for purging the residual charge of a flexible pipe filled with liquid, in particular liquefied gas, stored and wound on its said turntable horn explained below.
- said flexible pipes are joined together at their second end by a first connecting device and valves comprising:
- a first connecting device and valves comprising:
- it is equipped with a plurality of n flexible pipes each cooperating with a said turntable at said first ends, said flexible pipes being joined together at their second ends by a first connecting device and valves comprising n first portions of pipes, preferably rigid, maintained in fixed relative position relative to each other, preferably parallel, n being an integer at least equal to 3, each said first pipe portion comprising:
- a first pipe connection element preferably a male or female part of an automatic connector
- a second connecting element preferably a flange, assembled at the second end of a said flexible pipe
- each said first pipe portion comprising between its two ends (n-1) branches allowing the communication with respectively one of the (n-1) other said first portions of rigid pipes, each said branch comprising a first communication valve, and
- first portions of conduits being preferably held parallel by a first rigid support to which they are secured
- said first communication valves preferably being butterfly valves and said first connecting valves preferably being ball valve valves.
- each said first connection valve situated between said first connection element and said branch is able to allow or prevent fluid circulation in said first pipe portion to or from said first connection element when it is open or respectively closed.
- said flexible pipes extend or are able to extend between said support and a vessel preferably of the LNG type arranged in pairs or tandem beside said support opposite said plating.
- said first connecting device and valves is connected to a second connecting device and valves disposed or able to be disposed on board said vessel preferably of the LNG type, said second connecting device and vannes comprising:
- each said second pipe portion communicating at one of its ends with a said second tank and comprising at its other end a first complementary pipe connection element, said first complementary connecting element. being able to cooperate in reversible connection with a said first connection element, the said first complementary connection element being preferably a female or male part of the automatic connector,
- said second pipe portions being held in fixed relative position with respect to each other, preferably parallel so as to allow the connection of said first complementary connection elements with said first connection elements,
- each said second pipe portion comprising a second connecting valve adapted to allow or prevent the flow of fluid in said second pipe portion to or from said first complementary connecting element when it is open or respectively closed,
- said second portions of cond uite being preferably kept parallel to each other by a second rigid support to which they are secured,
- a support as defined above is particularly useful and advantageous for carrying out the almost complete purging of the flexible pipes before re-winding them on their turntable, this to avoid any damage to said flexible pipes on the one hand and the other part of facilitating this re-winding on their said turntable.
- the present invention also provides a method according to the invention wherein said flexible pipes are equipped with a said first connecting device and valves, as defined above, connected to a said second connecting device and valves , as defined above, preferably said flexible pipes being floating flexible pipes, and after the transfer of said petroleum liquid product between said support and said vessel preferably LNG carrier, purging of said flexible pipes used for the transfer of product liquid, preferably liquefied gas GN L from said support to a said removing vessel, performing the following successive steps in which:
- the method thus makes it possible to evacuate the contents of said first flexible pipe via said second flexible pipe and thus makes it possible, after step c), to have substantially emptied or completely emptied said first flexible pipe. On the other hand, it can still remain in general at least 10% or even up to 15% of internal volume of said second pipe not emptied, even when the internal volume of said first pipe has been completely emptied.
- step c) the said second pipe is completely purged by carrying out the following additional steps:
- Gas is injected from the support into said first end of said second conduit and said first communication valve is opened between said second conduit and a third flexible conduit of smaller diameter than said second conduit such that the gas flow rate is increased. purge such that the speed of said gas is greater than 1.5 m / s, preferably greater than 3 m / s, more preferably greater than 5 m / s, the other said first communication valves being closed, and
- the first communication valve is closed between said second and third conduits when said second conduit is sufficiently emptied, preferably substantially completely emptied. It is understood that in this embodiment, the internal volume of liquid product contained in said second pipe is entirely evacuated by said third pipe.
- said third pipe is of smaller diameter makes it possible to promote the complete emptying of said third pipe, especially at its substantially vertical terminal portion between the sea level and the inlet of its corresponding rotating plate, after the step e) when said second pipe has been substantially completely emptied. It is particularly advantageous to implement the combination of steps a) to e) to empty all three said first, second and third pipes.
- said flexible pipes are rewound on their so-called turntables, until the second ends of all of said flexible pipes are out of water, preferably with said first connection device and valves arriving just below the lowest turntable cooperating with a said flexible pipe.
- said first valve and connection device remains permanently fixed to said second ends of all of said flexible pipes with which it cooperates, when rewinding said flexible pipes, and said first Connection and valves remain out of water, preferably near the level of the lowest turntable.
- said first pipe is wound on a said convex turntable as defined above.
- At least one of the two said second and third pipes used for the transport of liquid preferably the two said second and third pipes used for the transport of liquid, is (or are) wound on a said frustoconical tray of concave shape as defined above. It is understood that any residual liquid in said second and third pipes can thus flow to the tank through said first end of said pipes below by residual natural gravity if necessary when the pipe is wound.
- FIG. 1A is a side view of a FPSO type floating support 1, 1 - 1 of LNG production and storage in the unloading phase to a ship, hereinafter referred to as the LNG type 2 removal vessel, in said configuration. in tandem, the FPSO being equipped with a device for storing and guiding a flexible pipe 4 according to the invention;
- FIG. 1B is a side view of a support 1.11 of the FSRU type, resting against a bottom 21, comprising a regasification and electricity generating unit 1d and a transformer station for sending electrical power to the earth, in the unloading phase from a LNG-type vessel, called a supply vessel, in the configuration said tandem, said floating support being equipped with a storage device and flexible pipe guide 4 according to the invention,
- FIG. 1C is a side view of a FPSO type floating support 1-1 for the production and storage of LNG in the unloading phase to an LNG-type 2 removal vessel, in the so-called torque configuration, the FPSO being equipped a storage device and guide flexible pipe 4 according to the invention,
- FIG. 1D is a side view of a floating support in which said flexible ducts are re-wound on a storage and guiding device 4 with a said first device 13- 1 connection out of water.
- FIG 2 is a side view, in partial section of the storage device and guide 4 according to the invention comprising three superimposed rotating plates 4- 1 and in which 2 is shown only one guide means 10 flexible pipes with pulley vis-à-vis the central turntable so that the various components of said guide means are more visible
- Figure 3 is a top view of the storage device and guide of Figure 2 equipped with three guide means 10-la, 10-lb, 10-lc offset next to each other in the horizontal direction ⁇ parallel to the plank ld on which they are fixed.
- FIGS. 4A, 4B and 4C are side views of a turntable having an upper face of concave frustoconical shape (FIG. 4A) of convex frustoconical shape (FIG. 4B) or planar shape (FIG.
- FIGS. 5A and 5B are top views of a connection device and valves 13-1 of an assembly e of three flexible pipes comprising a first connection device and valves 13-1 at the end of the three flexible pipes connected to a second connecting device 13-2 disposed on board the removing vessel 2 (FIG. 5A). Said first connecting device and valves 13-1 and second connecting device 13-2 and valves being disconnected to achieve the purge of said pipes (Figure 5B),
- FIG. 6 is a front view in section BB of Figure 5A of said first connection device and valves.
- FIGS. 7A, 7B, 7C and 7D are diagrammatic views of different fluid circulation possibilities between the various flexible pipes when the different valves of the first connection device and valves 13-1 are closed, in order to purge said pipes. flexible.
- FIGS. 8A and 8B show a flexible LNB transfer pipe 3b, 3c from a convex turntable towards the removing vessel 2 during the purging of said pipe
- FIG. 1A shows a side view of a floating support according to the invention 1 of the FPSO 1-1 type anchored on an open sea gas production field.
- Said FPSO has equipment for treating and liquefying gas lb and first tanks 11 for storing GN L integrated within the shell.
- An LNG-type 2 removal vessel is positioned in tandem, substantially in the axis of said FPSO and is connected thereto by a set of three hose lines 3A, 3B and 3C handled by means of a storage device 4 and flexible pipe guide 3 according to the invention which will be detailed earlier in the description.
- Said flexible pipes 3 are floating flexible pipes of the type manufactured and marketed by Trelleborg (France) consisting essentially of metal or composite armor and vulcanized or thermoplastic elastomers.
- Such pipes for the transfer of liquefied gas discharge traditionally has internal diameters of 250 to 600 mm and external diameters of 400 to 1000 mm. They are usually manufactured in lengths of 12m and are assembled together at their ends equipped with flanges to obtain lengths of 120 to 250m.
- the gas return flow pipes in the gaseous state between the removing vessel 2 and the floating support 1 as will be explained below, the pipes are of the same total length but advantageously of reduced diameter. , from 150 to 400mm inside diameter.
- gas lines identical to the LNG transfer lines which has an advantage in terms of spare parts stock, since all elements are then identical.
- FIG. 2 shows, in side view and in partial section, the storage and guiding device 4 for the flexible pipes 3.
- the storage device consists of a plurality of 3 rotating plates 4- 1, 4a, 4b , 4c arranged one above the other, preferably coaxially along the same vertical axis of rotation ZZ '.
- the 3 trays 4-1 are supported by a first support structure 5 resting on the bridge 1 of the floating support 1 close to a border ld at one of its longitudinal ends.
- the first support structure 5 here comprises 8 vertical posts 5b interconnected by first horizontal beams 5c at different heights and second horizontal beams 5a arranged radially and diametrically between vertical poles 5b that are diametrically opposed.
- Said horizontal beams 5a form horizontal bearing structures at three heights different able to support each one of the 3 turntables 4-1.
- Each of said rotating plates have in its center an orifice 4-2 and a bearing 4-4, for example a roller bearing, said bearing being partly integral with a said horizontal bearing structure 5a and allowing said plate to be rotated. rotating about its central axis of rotation ZZ 'with a first motor 6 and rollers 4-5 described below.
- Each turntable 4-1 is in fact supported at its periphery and in the underside of said trays by a series of rollers 4-5, preferably evenly distributed around the periphery, the supports 4-5a of said rollers 4-5 being integral. of a said horizontal carrier structure 5a.
- Each turntable 4-1 is rotated about its vertical axis ZZ 'by means of a first motor 6, preferably hydraulic, driving in rotation an output shaft comprising a gear cooperating with a toothed wheel 6-1 integral with said turntable 4-1 thereby rotating said turntable when said output shaft is rotated.
- a first motor 6 preferably hydraulic, driving in rotation an output shaft comprising a gear cooperating with a toothed wheel 6-1 integral with said turntable 4-1 thereby rotating said turntable when said output shaft is rotated.
- a central shaft 4-3 is disposed above said port 4-2 of each of said rotating plates.
- the outer radius of said central shaft 4-3 is greater than the minimum radius of curvature of said flexible pipe to be wound contiguous concentric spiral resting side by side on said turntable.
- Said central shaft 4-3 is integral with said turntable 4-1.
- a rotating joint connection 7, of the type known to those skilled in the art, is installed at the axis ZZ 'of each said turntable 4-1.
- rotary joint 7-1 consists of a rotary joint itself 7-1 whose upper part is equipped with an upper elbow 7-2 whose end comes against the wall of said central shaft 4-3.
- the end of the upper elbow 7-2 being sealingly connected at 7a to a first end 3-1 of flexible pipe 3 intended to be wound in a spiral against and around said central barrel 4-3 when said turntable 4-1 is rotated.
- the lower part of the rotary joint 7-1 it comprises a lower bend 7-3 which remains fixed when said upper bend 7-2 is rotated by rotation of said turntable 4-1.
- the lower elbow 7-3 is itself sealingly connected at one end 8-1 of a transfer line 8, the other end of which is connected to a first tank 11 of the FPSO 1, thus making it possible to bring GN L from said first tank 11 of the FPSO 1, is connected to a reliquefaction unit on board the FPSO thus returning gas from said removing vessel 2 to said reliquefaction unit.
- the various transfer lines 8 all pass inside the respective central orifices 4-2 of the various plates 4- 1.
- each flexible pipe 3, 3a-3b-3c is guided by a guide means 10, only one of which is shown in FIG. 2, each guide means 10 comprising a pulley 10-1 disposed in a substantially vertical axial plane and adapted to turn on itself in first rotation of horizontal axis ⁇ '.
- the pulley 10-1 has a radius greater than the minimum radius of curvature of said flexible pipe 3 intended to be turned around said pulley.
- Said pulleys 10-1, 10-la, 10-lb, 10-lc are arranged close to and opposite each of said rotating plates 4- 1 so that the groove of said pulley at its point the highest reaches substantially at a virtual plane P tangent to the upper face 4- la, virtual plane P on which rests the pipe portion 3-2 output of said turntable.
- the generatrix of the surface of the upper face 4-la of revolution of said circular rotating plate 4- 1 is tangent to the groove of said pulley at its highest point.
- the portion of flexible pipe 3-2 at the output of said plate 4- 1 that is to say in continuity of the last turn wound on said plateau 4-1 will be more perfectly guided during winding operations and unwinding of said pipe during the rotation of said plate 4-1 and said pulley 10-1 around its horizontal axis
- Each pulley 10-1 is secured to a second bearing structure
- the vertical support 10-3 supporting the pulley 10-1 is able to be moved in height to properly adjust the position of the top of the pulley with respect to the plane tangent to the upper face of the plate 4-1 screwed to which she is disposed.
- the 3 pulleys 10-1: 10-la, 10-lb and 10-lc are shifted next to each other in the direction ⁇ horizontal parallel to the plating ld.
- the substantially vertical axial planes PI, P2, P3 of the 3 pulleys 10-la, 10-lb and 10-lc respectively may have a variable inclination al, a2, a3 respectively relative to said direction ⁇ .
- said substantially vertical planes axial PI, P2 and P3 of the 3 pulleys can rotate according to a said second rotation of an angle ⁇ ⁇ ⁇ 2 or ⁇ 3 respectively between:
- the said axial planes P1, P2, P3 of the three pulleys also correspond to the substantially vertical axial planes of the three upstream pipe portions extending between each of said plates and respectively each of said pulleys.
- Each pulley 10-1 is preferably motorized by a second motor 10-6, preferably hydraulic, cooperating with a toothed ring, not shown, integral with said pulley and for driving at said first rotation on itself around its said horizontal axis ⁇ each of said pulleys 10-1.
- the different pulleys 10-1 are arranged at a different altitude corresponding to that of said tray 4-1 it serves on the one hand and on the other hand said pulleys 10-1 are arranged next to each other staggered in the direction ⁇ , despite the angles of second rotation ai, a 2 , oc 3 of each of the 3 pulleys 10-la, 10- lb, 10-lc, said pulleys are not likely to interfere with each others.
- the curved intermediate portions 3-3 of flexible pipe 3 turned around the pulley 10-1 are continued by a downstream pipe portion 3-4 in a substantially vertical position joining the surface 20 of the sea where it floats on a part 3-5 of their length towards the ship 2.
- the vertical downstream portions 3-4 of the various lines 3, 3a, 3b, 3c are offset in a direction YiY'i but remain in substantially vertical axial planes and substantially parallel despite said second rotation according to their ZiZ'i axis of said pulleys 10-la, 10-lb, 10-lc.
- FIG. 1C there is shown an alternative embodiment in which the LNG 2 is arranged in a pair of floating support 1, in this embodiment the floating support 1-1 and the ship 2 are arranged parallel side by side along their longitudinal sides in their longitudinal directions XX 'and the flexible pipes 3 connecting the device 4 on board the support 1-2 to the ship 2 are arranged above the sea level 20. More particularly, the flexible pipes 3 adopt a configuration in the form of a chain above sea level 20 from the pulley outlets 10-1 at the storage and guidance devices 4 of the floating support 1 to the common valve device 13 on the LNG carrier 2.
- a plate 4-1 has a diameter of about 20 m.
- the height of the storage device 4, that is to say the height of the various posts 5b is about 15 to 20 m for 3 trays 4-1 spaced in height from 4 to 5 m from each other.
- a central shaft 4-3 will typically have a diameter of 5 to 8 m.
- Such a device 4 is particularly suitable for receiving flexible pipes with a diameter of 120 to 600 mm and a length of 120 to 250 m.
- Each of said rotating plates 4-1 can be rotated about its axis ZZ 'independently of one another. It is the same for the motorization in said first rotation of said pulleys 10-1.
- each of said flexible pipes 3a, 3b and 3c independently of one another so that said flexible pipes extending between the vertical portions 3-4 at the outlet of the pulleys 10-1 and a common valve device 13 also called connection and purge device, disposed on board the ship 2, to which are connected the different second ends of the various flexible pipes 3a, 3b, 3c remain substantially equal during all the winding operations and unwinding of said flexible pipes.
- a common valve device 13 also called connection and purge device, disposed on board the ship 2
- connection and purge device disposed on board the ship 2
- the respective diameters of each of said flexible pipes being in general different, it takes a number of different turntable turns to each of said flexible pipes 3a, 3b and 3c to store the same long ueu r flexible pipe.
- the flexible pipes 3b, 3c carrying the liquefied gas LNG stored in a first tank 11 of the support 1 to the vessel 2 have a very large diameter so as to optimize the transfer rate of GN L, while the return gas can be transported in a single pipe, generally of smaller diameter, because the losses of charges are considerably less important for the gas than for the GN L.
- LNG liquefied natural gas consists essentially of liquid methane at -165 ° C
- the removal vessels are made up of LNG carriers that is to say ships carrying LNG gas and whose vessels when they are empty are actually filled with methane gas, plus possibly nitrogen, from the regasification of LNG.
- the implementation of these gas return pipes is intended firstly to evacuate the gas sky of the second tanks as they are filled by the GN L from the first tanks on the one hand and secondly on the other hand regasified LNG gas during its transfer due to its relative warming. Once returned to the support 1, the gas is reliquefied in LNG.
- the connection and flow device 13 and the method of purging the flexible pipes before they are re-wound on their turntable are described below.
- connection device and valves 13 shown in the figures are necessary on the one hand to lighten the flexible cond uites and facilitate their re-winding but also to prevent damage to said flexible pipes during their re-winding on said turntables, damage that could occur given their weight excessive in the liquid-filled state, and the presence of seawater ice on their surface or at the connection elements.
- the connection device and valves 13 shown in the figures are necessary on the one hand to lighten the flexible cond uites and facilitate their re-winding but also to prevent damage to said flexible pipes during their re-winding on said turntables, damage that could occur given their weight excessive in the liquid-filled state, and the presence of seawater ice on their surface or at the connection elements.
- 5A, 5B and 6 comprises: a) a first device 13-1 of valves and connections disposed at the end of said flexible conduits 3a, 3b, 3c, comprising: i. first three portions of rigid pipe 21a, 21b,
- each said first rigid pipe portion 21a, 21b, 21c comprising: "at a first end a first pipe connecting member 23-, 23-, 23-, 1c, consisting of a male or female portion of a connector automatic,
- each of said first rigid pipe portions comprises two branches 30 of communication each comprising a first valve com munication 30-ab 30-ac, 30bc, said bypass 30 bright that the communication of each first rigid pipe portion with one of the other two first rigid pipe portions of said first device 13-1,
- a first connection valve 22a, 22b, 22c located between said first connecting member the 23-, 23- lb, lc 23- and said bypass 30 closest to said first end of said first device 13-1 and b) a second connecting device and valves 13-2 disposed on board said removing vessel 2 comprising:
- each said second portion of rigid pipe 26a, 26b, 26d com m uniquant at one of its ends with a said second vessel 12 of the vessel 2 and comprising at its other extrem ity a first connecting member com plementary line 23-2a, 23-2b, 23-2c, said first complementary connecting elements consisting of female and / or male part of automatic connectors, that is to say complementary to a said first connecting element to allow precisely the connection 23 between said first device 13-1 and second device 13-2,
- each said second rigid pipe portion further comprising a second connecting valve 27a, 27b, 27c.
- All of said first portions of rigid pipes are held parallel to each other by a first rigid support 24 to which they are secured 24a, 24b, 24c.
- all of said second rigid pipe portions 26a, 26b, 26c are held parallel to each other by a second rigid support 25 to which they are secured at 25a, 25b, 25c.
- the various valves are ball valves or butterfly valves. Because all of said first connecting elements are held fixed at a constant distance from each other by said first support 24 to which they are secured at 24a, 24b, 24c and that said first complementary connecting elements are also held fixedly. at a constant distance from each other and identical to the distance separating said first connecting elements from each other.
- the connection between said first device 13-1 and second device 13-2 can be done automatically by actuators not shown remote controlled, and in a single sequence.
- FIG. 5B shows in plan view, the connectors in the approach phase, before connection, all the valves 22a, 22b, 22c of the devices 13-1 and 13-2 being closed.
- the automatic connectors 23-1 / 23-2 are sealed and the valves 22a-22b-22c and the valves 27a-27b-27c are in the open position, thus allowing the passage from the left towards the line of the LNG in the two lines 3b and 3c from the support 1 to the removing vessel 2, and the metha gas passage in return, from right to left, in the central pipe 3a from the removing vessel 2 to the FPSOl.
- the LNG transfers are represented by a double-headed arrow, and the gas transfers are represented by an arrow at simple line, the length of said arrow being proportional to the flow in the respective pipe.
- a valve 30ac connects the first portions of conduits 21a and 21c;
- a valve 30ab connects the first portions of conduits 21a and 21b;
- a valve 30bc connects the first portions of conduits 21b and
- the flexible pipes 3a, 3b, 3c float on the sea between two transfers of LNG, which may represent a duration of several weeks, the flexible pipes are rewound on their rotating plates 4- 1 after have them, preferably, purged as follows:
- valves 22a-22b-22c of the first valve device 13- 1 are closed, as are the vanes 27a, 27b, 27c of the second common valve device 13-2 on board the removal vessel 2, and then
- connection elements 23 are disconnected from the first and second valve devices 13-1 and 13-2, and then
- a communication valve 30bc is opened between the two portions of first rigid pipes 21b, 21c com m unicant with the flexible pipes 3b, respectively 3c as shown in Figure 7A, and then
- a first pipe is pressurized from the FPSO 1, for example the pipe 3b using gas, generally methane or a nitrogen-methane mixture so as to push the GN L at a pressure P,
- the diphasic mixture comprises small diameter bubbles at the level of the sea surface, but as soon as they reach the vertical portion 3-4 of said pipe 3c, because the hydrostatic pressure decreases as and when the As they rise towards the FPSO bridge, the bulbs enlarge and the apparent density of the mixture decreases, thereby accelerating the speed of the two-phase riser, thereby improving the entrainment of the liquid phase, then
- the gas flow rate is accelerated from the FPSO in the pipe 3b so as to radically increase the disturbance of the two-phase flow in the substantially vertical portion 3-4 of the second pipe 3c, which has the effect of optimally entrain the LNG particles, making it possible to empty at least 85%, in practice from 85 to 95 %, of the internal volume of the two lines 3b-3c.
- the pipe 3b is empty but there is still liquid in the pipe 3c at a rate of 10 to 20% of the internal volume of the pipe 3c, especially in its substantially vertical portion 3-4 as shown in FIG 8B.
- the purge process described above in connection with FIG. 7A is relatively fast, so for lines of 100 to 150 m the purge can be operated for a duration of 1/2 to 1 hour whereas it would be necessary to more than 24 hours for the LNG contained in the pipes to heat up and gasify.
- FIGS. 7B and 7C show a complete purge mode of the flexible pipes 3b and 3c in which a first flexible pipe 3c is purged, by injecting the gas through the gas return pipe 3a.
- the valve 30ac is opened, the valves 30ab and 30bc being closed, as shown in FIG. 7B.
- the purge is stopped when most of the LNG, ie at least 85% of the GN L of the 3C line has been recovered on board the FPSO.
- the valve 30ac is closed and the valve 30ab is opened, which has the effect of purging the second flexible pipe 3b in the same way, ie up to at least 85% of the LNG of the pipe 3b has been recovered on board the FPSO.
- FIG. 7B shows a complete purge mode of the flexible pipes 3b and 3c in which a first flexible pipe 3c is purged, by injecting the gas through the gas return pipe 3a.
- the valve 30ac is opened, the valves 30ab and 30bc
- FIG. 8A the flexible pipe is shown in side view.
- the convex storage tray 4- lb has a convex frustoconical upper face with a negative angle a, which is advantageous for the purge phase of the flexible pipes, because in the DESCRIPTION OF THE INVENTION With reference to FIG. 7A, it is through this line that the purge gas is injected and, due to the conicity of the storage tray, the pipe empties naturally downwards.
- the flexible pipe 3b is shown in side view from its storage tray to sea level.
- the concave storage tray 4-1c has a concave frustoconical upper face with a positive angle ⁇ , this is advantageous for the purge phase of the flexible pipes, because in the description of the invention with reference to FIGS. 7A and 7B, it is through this pipe that the two-phase mixture rises towards the FPSO, and from the conicity of the storage tray, the pipe stored spirally on said conical plate empties naturally towards the rotary joint 7 located at the axis ZZ 'of the plate u.
- said pipe which is almost empty in its horizontal part 3-5, the two-phase mixture in the substantially vertical part 3-4 having small diameter bubbles at the bottom and increasing diameters as and when from the ascent to the storage tray, the mixture in the pipe.
- the storage tray of the gas return line (FIG. 7C) 3a (FIG. 7D) will advantageously be of concave conical type with a positive angle ⁇ .
- the preferred purge method will comprise the following two purge steps: first step of purging a line 3b by injection of gas in the pipe 3b leading to a complete purge of the pipe 3b but a partial purge only of the pipe 3c taking into account the residual LNG gas in particular in the part 3-4 of the pipe 3c in a different embodiment of the implementation valves as described in Figure 7A. At the end of this first step, the pipe 3c still retains about 15% of its internal volume filled with GN L.
- valve 30bc is closed and the valve 30ac is opened
- the second purge step is carried out by injecting gas into the pipe 3c and discharging via the gas return pipe 3a of smaller diameter by implementing the various valves as described in FIG. 7C. Since the evacuation is via a pipe 3a of smaller diameter, the necessary gas flow in the pipe 3c is considerably reduced to obtain the optimum speed of the two-phase fluid corresponding to a gas velocity greater than 1.5 m / s, preferably greater than 3m / s, more preferably greater than 5m / s. Because the section of the pipe 3a is smaller, the transfer of liquid is slower but the purge is radically improved in terms of the ultimate percentage of two-phase liquid purge and overall duration.
- the first connecting device 13-1 can thus remain permanently at said second end 3-6 of said pipes 3a, 3b, 3c joined by said first device 13-1.
- a transfer device comprises:
- each of the pipes measures 216m and consists of 18 identical lengths of 12m each, assembled by flanges, weighing 125kg / m in the empty state, ⁇ a connecting device and valves 13 equipped with valves
- valves 30ab-30ac-30bc being butterfly valves with passage diameter 250mm, weighing about 20 tonnes, ⁇ three storage trays 4 motorized 23m external dia meter and barrel diameter 5m, three motorized pulleys 5m throat diameter and their supporting structures, all weighing about 1000 tons.
- the pipe purge procedure carried out with a gas velocity of 4m / s under these conditions represents an overall duration of 30 to 45 minutes to reach an overall LNG balance less than 1% of the ume flight. This represents approximately 425 liters of residual L-gas, which will then produce 250 m 3 of gaseous methane, which will subsequently be reliqued onboard the FPSO.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
- Unwinding Of Filamentary Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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FR1059909A FR2968058B1 (fr) | 2010-11-30 | 2010-11-30 | Support en mer equipe d'un dispositif de stockage et de guidage de conduites flexibles utiles pour le transfert en mer de produits petroliers |
PCT/EP2011/070967 WO2012072497A1 (fr) | 2010-11-30 | 2011-11-24 | Support en mer equipe d'un dispositif de stockage et de guidage de conduites flexibles. |
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EP2646725A1 true EP2646725A1 (fr) | 2013-10-09 |
EP2646725B1 EP2646725B1 (fr) | 2016-04-06 |
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EP11787889.2A Active EP2646725B1 (fr) | 2010-11-30 | 2011-11-24 | Support en mer equipe d'un dispositif de stockage et de guidage de conduites flexibles. |
Country Status (11)
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US (1) | US9308972B2 (fr) |
EP (1) | EP2646725B1 (fr) |
JP (1) | JP5632094B2 (fr) |
KR (1) | KR101582393B1 (fr) |
CN (1) | CN103228969B (fr) |
AU (1) | AU2011335204B2 (fr) |
BR (1) | BR112013012560B1 (fr) |
FR (1) | FR2968058B1 (fr) |
MY (1) | MY180266A (fr) |
RU (1) | RU2570790C2 (fr) |
WO (1) | WO2012072497A1 (fr) |
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EP1695002B1 (fr) * | 2003-12-18 | 2011-06-08 | Single Buoy Moorings Inc. | Systeme et procede de transfert de fluide cryogenique depuis une installation terrestre jusqu'a un bateau, comprenant une bouee equipee d'une bobine pour un flexible, et dont le niveau dans l'eau peut etre modifie |
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 |
ITBO20040822A1 (it) * | 2004-12-30 | 2005-03-30 | Schnell Spa | Apparecchiatura per lo svolgimento di rotoli di tondini di ferro e simili |
GB2424404B (en) * | 2005-03-21 | 2007-02-28 | Bluewater Energy Services Bv | Mooring apparatus with moveable ballast weight |
JP5170882B2 (ja) * | 2008-03-28 | 2013-03-27 | 古河電気工業株式会社 | 可撓管の敷設装置 |
WO2010059052A1 (fr) * | 2008-11-20 | 2010-05-27 | Single Buoy Moorings Inc. | Unité multifonction pour le transfert offshore d'hydrocarbures |
FR2944256B1 (fr) * | 2009-04-09 | 2012-12-21 | Eurodim Sa | Systeme de transfert de fluides entre deux navires places cote a cote |
FR2966548B1 (fr) * | 2010-10-25 | 2013-09-27 | Saipem Sa | Navire comportant un dispositif de stockage et de manutention modulaire de conduite souple |
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 |
-
2010
- 2010-11-30 FR FR1059909A patent/FR2968058B1/fr not_active Expired - Fee Related
-
2011
- 2011-11-24 CN CN201180057556.9A patent/CN103228969B/zh active Active
- 2011-11-24 WO PCT/EP2011/070967 patent/WO2012072497A1/fr active Application Filing
- 2011-11-24 RU RU2013120142/06A patent/RU2570790C2/ru active
- 2011-11-24 EP EP11787889.2A patent/EP2646725B1/fr active Active
- 2011-11-24 JP JP2013541302A patent/JP5632094B2/ja active Active
- 2011-11-24 AU AU2011335204A patent/AU2011335204B2/en active Active
- 2011-11-24 US US13/885,088 patent/US9308972B2/en active Active
- 2011-11-24 BR BR112013012560-8A patent/BR112013012560B1/pt active IP Right Grant
- 2011-11-24 MY MYPI2013001938A patent/MY180266A/en unknown
- 2011-11-24 KR KR1020137013640A patent/KR101582393B1/ko active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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US11267532B2 (en) | 2019-04-05 | 2022-03-08 | Sofec, Inc. | Disconnectable tower yoke mooring system and methods for using same |
US11279446B2 (en) | 2019-04-05 | 2022-03-22 | Sofec, Inc. | Disconnectable tower yoke mooring system and methods for using same |
US11319036B2 (en) | 2019-08-19 | 2022-05-03 | Sofec, Inc. | Mooring systems and processes for using same |
US11560203B2 (en) | 2019-11-08 | 2023-01-24 | Sofec, Inc. | Surge damping systems and processes for using same |
US11679844B2 (en) | 2019-11-08 | 2023-06-20 | Sofec, Inc. | Mooring support structures, systems for mooring vessels, and processes for using same |
Also Published As
Publication number | Publication date |
---|---|
WO2012072497A1 (fr) | 2012-06-07 |
US9308972B2 (en) | 2016-04-12 |
EP2646725B1 (fr) | 2016-04-06 |
CN103228969B (zh) | 2015-10-14 |
FR2968058B1 (fr) | 2012-12-28 |
MY180266A (en) | 2020-11-26 |
JP5632094B2 (ja) | 2014-11-26 |
KR20140074862A (ko) | 2014-06-18 |
KR101582393B1 (ko) | 2016-01-04 |
AU2011335204B2 (en) | 2015-05-21 |
CN103228969A (zh) | 2013-07-31 |
BR112013012560A2 (pt) | 2016-08-09 |
FR2968058A1 (fr) | 2012-06-01 |
RU2013120142A (ru) | 2015-01-10 |
RU2570790C2 (ru) | 2015-12-10 |
JP2014504227A (ja) | 2014-02-20 |
BR112013012560B1 (pt) | 2020-11-17 |
US20140301807A1 (en) | 2014-10-09 |
AU2011335204A1 (en) | 2013-06-06 |
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