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EP1578661A1 - Installation for the recovery of a polluting fluid contained in at least one transverse section of the tanks of a sunken vessel - Google Patents

Installation for the recovery of a polluting fluid contained in at least one transverse section of the tanks of a sunken vessel

Info

Publication number
EP1578661A1
EP1578661A1 EP03815411A EP03815411A EP1578661A1 EP 1578661 A1 EP1578661 A1 EP 1578661A1 EP 03815411 A EP03815411 A EP 03815411A EP 03815411 A EP03815411 A EP 03815411A EP 1578661 A1 EP1578661 A1 EP 1578661A1
Authority
EP
European Patent Office
Prior art keywords
tanks
section
fixed
installation according
wafer
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
Application number
EP03815411A
Other languages
German (de)
French (fr)
Other versions
EP1578661B1 (en
Inventor
Jean-Luc Dabi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JLMD Ecologic Group
Original Assignee
JLMD Ecologic Group
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JLMD Ecologic Group filed Critical JLMD Ecologic Group
Publication of EP1578661A1 publication Critical patent/EP1578661A1/en
Application granted granted Critical
Publication of EP1578661B1 publication Critical patent/EP1578661B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C7/00—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects
    • B63C7/006—Emptying the contents of sunken, stranded, or disabled vessels, e.g. by engaging the vessel; Underwater collecting of buoyant contents, such as liquid, particulate or gaseous contents, escaping from sunken vessels, e.g. using funnels, or tents for recovery of escaping hydrocarbons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
    • B63C7/00—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects
    • B63C7/16—Apparatus engaging vessels or objects

Definitions

  • the present invention relates to an installation for the recovery of a polluting fluid contained in at least one section of transverse tanks of a sunken ship.
  • This recovery system includes a compartment in each of the tanks of the stranded ship, this compartment containing several drainage pipes and a float element capable of being ejected from the sunken ship. More specifically, for each compartment, this system comprises a pipe for discharging the polluting fluid comprising a first end connected to the tank and a second end connected to the float element. This second end can then be removed at a sufficient distance from the sunken ship using a cable to which the float element is attached. For each compartment, this system also has a suction pipe and an injection pipe both connected to the drainage pipe and respectively provided with a first end floating on the surface of the polluting fluid contained in the tank, and a first weighted end disposed in the bottom of said tank.
  • this system comprises a connecting pipe coming from a surface rescue vessel and comprising, on the one hand, a first end connected by interlocking in the second end of the evacuation pipe, and on the other share, a second end connected to a pump installed on the rescue vessel.
  • pressurized water is injected from the rescue vessel into the bottom of the tank via the injection pipe.
  • the polluting fluid is then discharged to the rescue vessel via the suction pipe, the discharge pipe and the connecting pipe.
  • This recovery system nevertheless has a drawback consisting in the fact that, when the ship has sunk, it is not easy to access from the outside the compartments housed in the tanks.
  • Another disadvantage lies in the fact that, if it is possible to provide for the installation of such compartments in the tanks during the construction of the ship, it is however very difficult to carry out such an installation on an existing ship.
  • the compartments being stored inside the tanks, sealing and safety problems can be raised.
  • this system necessarily providing, on the one hand, to extract the second end of the discharge pipe from the tank, and on the other hand, to raise the second end of the injection pipe to the surface, it As a result, the connection between the connecting pipe and the discharge pipe is relatively complex to make.
  • the present invention aims to provide an improvement to the recovery system described above, and consists of an installation for the recovery of a polluting fluid contained in at least one section of transverse tanks of a sunken ship, this installation comprising means for introducing pressurized water into the wafer and means for discharging the polluting fluid towards the outside of the wafer, at least one connecting pipe coming from a rescue vessel which can be connected to one delivery means, characterized in that it comprises a plurality of fixed pipes, each having a first and a second end, these fixed pipes being positioned so that their first ends open out at least at each of the corners of the ends of the edge of the tanks and that their second ends are each attached to a valve which, on the one hand, is housed in a compartment fixed to the above the water line of the sunken ship, and on the other hand, can be controlled from outside the sunken ship, each of said fixed pipes being
  • each of the compartments containing valves being located above the waterline of the sunken ship, a ROV (remote-controlled underwater robot) or a diver can access these compartments much more easily and thus carry out the connection operations and control.
  • these compartments being preferably fixed to the deck of the ship, installation on an existing ship is relatively easy, and any problems of tightness and security are resolved.
  • the end of a fixed pipe opens into each corner of the ends of the transverse section of tanks, and on the other hand, that each fixed pipe is connected to a valve at its second end, it is no longer necessary to provide for the ascent of one of the ends of the injection pipe in order to allow the introduction of pressurized water from the vessel of help.
  • the ROV or the diver can directly order the opening, as desired, of one or more valves housed in compartments accessible from outside the ship.
  • the fixed pipe or pipes associated with this or these valves act therefore as introduction pipes, seawater at hydrostatic pressure rushing in through said valves, then penetrating along each of these fixed pipes, and being finally introduced into the transverse tank section. Since seawater has a density greater than that of the polluting fluid, it follows that the latter is discharged by seawater towards the highest point of the transverse section of tanks. This polluting fluid is then caused to penetrate into at least one other fixed pipe, acting as a delivery pipe, the first end of which is located in the highest end corner of the section of transverse tanks.
  • This polluting fluid is then discharged along this fixed pipe towards the associated compartment, then discharged along the connecting pipe, to which the second end of the fixed delivery pipe is connected, towards the surface where the vessel is located. emergency, and finally can be poured from the connecting pipe into the tanks of the emergency ship using a pump mounted on it.
  • a pair of fixed pipes can be connected to each compartment containing two valves, each pair of fixed pipes comprising, on the one hand, a first fixed pipe of reduced length opening at the top of the tank edge, and on the other hand, a second fixed pipe emerging in the lower part of the tank edge and having a length greater than the height of the tanks.
  • four separate compartments containing valves are associated with each section of the vessel's transverse tanks. It should be understood within the meaning of the present invention that each pipe of reduced length may not open into the transverse section of tanks with which it is associated.
  • the reduced length pipe may consist of a channel formed inside the compartment, this channel having a first end in the form of a simple orifice made in the bottom of the compartment at a end corner of the wafer, and a second end accessible from outside the compartment.
  • An installation according to the invention can be adapted to any type of transverse tank section, for example a transverse tank section comprising several tanks which can communicate with one another after opening valves provided in walls separating said tanks.
  • these valves are positioned in the lower part and in the upper part of each of the walls separating the tanks from a section.
  • each tank can be drained independently of the other tanks of the same transverse section.
  • each tank may be separated from an adjacent tank by a partition, and for this separating partition to be crossed, in the vicinity of each of its corners, by a connector to which a suitable weighted valve is attached, according to positioning of the vessel, to close or unclog the passage section of said fitting.
  • valves housed in the compartments, and where appropriate, the valves provided in the walls separating said tanks are guillotine valves.
  • Figure 1 is a schematic top view of a ship comprising several sections of transverse tanks, equipped with an installation according to the invention
  • Figure 2 is a partial schematic perspective view of two sections of transverse tanks of the ship shown in Figure 1 with omission of the central tanks; ⁇
  • FIG. 3 is a schematic sectional view along the line III-III of the section of transverse tanks represented in FIG. 2.
  • Figure 4 is a schematic view of the installation according to the invention after connection of a connecting pipe from a rescue vessel to a compartment of the stranded vessel.
  • Figure 5 is a partial schematic perspective view of another section of transverse tanks, with omission of the central tank.
  • Figure 6 is a partial schematic perspective view of another section of transverse tanks, before the grounding of the ship.
  • Figure 7 is a partial schematic perspective view of the transverse section of tanks shown in Figure 6, after the grounding of the ship on deck.
  • FIG. 1 is a schematic top view of a ship 1 having five sections 2 of transverse tanks of substantially parallelepiped shape to which compartments 3 are connected.
  • each section 2 of transverse tanks contains a polluting liquid 4, and consists of a central tank 5 and two side tanks 6, these different tanks 5, 6 being able to communicate with each other after opening the guillotine valves 7 provided in the walls separating these tanks 5, 6.
  • the opening of each of these valves 7 can be controlled from outside the ship 1.
  • the compartments 3 are positioned on the deck (not shown) of the ship 1, and are connected to the tanks side 6 of the end 2 sections and to the side tanks 6 of the 2 intermediate sections.
  • a fixed metal or flexible pipe t of reduced length, and that a fixed metal or flexible pipe T, having a length greater than the height of the tanks 5, 6, connect each compartment 3 has a side tank 6 of a section 2.
  • the diameter of a fixed pipe t is identical to that of a fixed pipe T.
  • each fixed pipe t of reduced length has, on the one hand, a first end 8 opening out in the vicinity of an end corner located in the upper part of the associated wafer 2, and on the other hand, a second end 9 connected to a guillotine valve 10 housed in compartment 3 and accessible from outside the vessel 1 by means of a quick coupling 11.
  • Each large fixed pipe T has, on the one hand, a first end 12 opening out in the vicinity of an end corner situated in the lower part of the associated wafer 2, and on the other hand, a second end 13 connected to a guillotine valve 14 housed in the compartment 3 and accessible from outside the vessel 1 via a quick connector 15.
  • the vessel 1 shown in Figure 4 comprises only one wafer 2 side tanks according to Figure 3.
  • a rescue vessel 30 is positioned substantially vertically above the vessel 1 after locating the latter.
  • a connecting pipe L is then placed between the rescue vessel 30 and one of the compartments 3 accessible from the ship 1. More specifically, this connecting pipe L has, on the one hand, a first end connected to a pump 31 installed on the rescue vessel 30, and on the other hand, a second end 32 which is connected, by an ROV or by a plunger, to the quick connector 11 of the guillotine valve 10 itself connected to the second end 9 of the pipe fixed t of this compartment 3.
  • seawater 29 at hydrostatic pressure is introduced into section 2 via the fixed pipe T. Since seawater 29 has a density greater than that of the polluting fluid 4 contained in section 2, the latter is then discharged by seawater 29 through the fixed pipe t and the connecting pipe L, then finally poured into the tanks of the emergency vessel 30 using the pump 31.
  • sea water 29 at hydrostatic pressure inside the section 2 which corresponds to it.
  • FIG. 5 Another type of section 102 of transverse tanks is shown in FIG. 5.
  • This section 102 differs from section 2 described above in that it does not include any guillotine valve 7 allowing communication between the central tank 5 and the two side tanks 6. Consequently, it is necessary to empty the tanks 5, 6 independently of each other.
  • a compartment 3 is provided at each of the corners of each tank 5, 6, and it follows that a first end 8, 12 of a fixed pipe t, T opens into each of the corners of each tank 5 , 6.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Cleaning Or Clearing Of The Surface Of Open Water (AREA)
  • Physical Water Treatments (AREA)
  • Loading And Unloading Of Fuel Tanks Or Ships (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Separation Of Particles Using Liquids (AREA)
  • Pipeline Systems (AREA)
  • Removal Of Floating Material (AREA)
  • Structure Of Emergency Protection For Nuclear Reactors (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)

Abstract

The invention relates to an installation for the recovery of a polluting fluid (4) contained in at least one transverse section (2) of the tanks of a sunken vessel. The inventive installation comprises means for introducing water into the section, backflow means for pushing the polluting fluid towards the outside of the section and at least one connecting pipe from a salvage vessel, which can be connected to one of the backflow means. The invention is characterised in that it comprises a plurality of fixed pipes (t, T) which are positioned such that the first ends (8, 12) thereof open out at least at each of the corners of the ends of the section and such that the second ends (9, 13) are each connected to a valve (10, 14) which (i) is housed in a compartment (3) which is fixed above the water line of the sunken vessel and (ii) can be controlled from outside the sunken vessel.

Description

Installation pour la récupération d'un fluide polluant contenu dans au moins une tranche de cuves transversale d'un navire coulé Installation for the recovery of a polluting fluid contained in at least one transverse tank section of a sunken ship
La présente invention se rapporte à une installation pour la récupération d'un fluide polluant contenu dans au moins une tranche de cuves transversale d'un navire coulé.The present invention relates to an installation for the recovery of a polluting fluid contained in at least one section of transverse tanks of a sunken ship.
Suite aux récents naufrages de navires transportant des fluides polluants, il a été proposé, dans la demande de brevet WO 02/057131 déposée au nom de Environment Technological Group et désignant Monsieur DABI comme inventeur, un système de récupération simple et fiable d'un fluide polluant contenu dans les cuves d'un navire coulé.Following the recent sinking of ships carrying polluting fluids, it was proposed, in patent application WO 02/057131 filed on behalf of Environment Technological Group and designating Mr. DABI as inventor, a simple and reliable system for recovering a fluid pollutant contained in the tanks of a sunken ship.
Ce système de récupération comprend un compartiment dans chacune des cuves du navire échoué, ce compartiment renfermant plusieurs tuyaux d'écoulement ainsi qu'un élément flotteur capable d'être éjecté hors du navire coulé. Plus précisément, pour chaque compartiment, ce système comprend un tuyau d'évacuation du fluide polluant comportant une première extrémité reliée à la cuve et une seconde extrémité reliée à l'élément flotteur. Cette seconde extrémité peut alors être extirpée à distance suffisante du navire coulé à l'aide d'un câble auquel est rattaché l'élément flotteur. Pour chaque compartiment, ce système présente également un tuyau d'aspiration et un tuyau d'injection tous deux connectés au tuyau d'évacuation et respectivement munis d'une première extrémité flottant à la surface du fluide polluant contenu dans la cuve, et d'une première extrémité lestée disposée dans le fond de ladite cuve. Enfin, pour chaque compartiment, ce système comprend un tuyau de liaison venant d'un navire de secours en surface et comportant, d'une part, une première extrémité connectée par emboîtement dans la seconde extrémité du tuyau d'évacuation, et d'autre part, une seconde extrémité reliée à une pompe installée sur le navire de secours. En fonctionnement, de l'eau sous pression est injectée depuis le navire de secours dans le fond de la cuve via le tuyau d'injection. Le fluide polluant est alors refoulé vers le navire de secours via le tuyau d'aspiration, le tuyau d'évacuation et le tuyau de liaison.This recovery system includes a compartment in each of the tanks of the stranded ship, this compartment containing several drainage pipes and a float element capable of being ejected from the sunken ship. More specifically, for each compartment, this system comprises a pipe for discharging the polluting fluid comprising a first end connected to the tank and a second end connected to the float element. This second end can then be removed at a sufficient distance from the sunken ship using a cable to which the float element is attached. For each compartment, this system also has a suction pipe and an injection pipe both connected to the drainage pipe and respectively provided with a first end floating on the surface of the polluting fluid contained in the tank, and a first weighted end disposed in the bottom of said tank. Finally, for each compartment, this system comprises a connecting pipe coming from a surface rescue vessel and comprising, on the one hand, a first end connected by interlocking in the second end of the evacuation pipe, and on the other share, a second end connected to a pump installed on the rescue vessel. In operation, pressurized water is injected from the rescue vessel into the bottom of the tank via the injection pipe. The polluting fluid is then discharged to the rescue vessel via the suction pipe, the discharge pipe and the connecting pipe.
Ce système de récupération présente néanmoins un inconvénient consistant dans le fait que, lorsque le navire a coulé, il n'est pas aisé d'accéder depuis l'extérieur aux compartiments logés dans les cuves. Un autre inconvénient réside dans le fait que, s'il est possible de prévoir l'installation de tels compartiments dans les cuves lors de la construction du navire, il est en revanche très délicat de procéder à une telle installation sur un navire existant. Par ailleurs, les compartiments étant stockés à l'intérieur des cuves, des problèmes d'étanchéité et de sécurité peuvent être soulevés. De plus, ce système prévoyant nécessairement, d'une part, d'extirper la seconde extrémité du tuyau d'évacuation hors de la cuve, et d'autre part, de remonter la seconde extrémité du tuyau d'injection à la surface, il en découle que la connexion entre le tuyau de liaison et le tuyau d'évacuation est relativement complexe à réaliser. Enfin, il n'est pas nécessaire de lester la seconde extrémité du tuyau d'injection puisque la densité de l'eau introduite sous-pression est supérieure à celle du fluide polluant. La présente invention a pour but d'apporter un perfectionnement au système de récupération décrit ci-dessus, et consiste en une installation pour la récupération d'un fluide polluant contenu dans au moins une tranche de cuves transversale d'un navire coulé, cette installation comprenant des moyens d'introduction d'eau sous pression dans la tranche et des moyens de refoulement du fluide polluant vers l'extérieur de la tranche, au moins un tuyau de liaison provenant d'un navire de secours pouvant être connecté à l'un des moyens de refoulement, caractérisée en ce qu'elle comprend une pluralité de tuyaux fixes présentant chacun une première et une seconde extrémités, ces tuyaux fixes étant positionnés de telle sorte que leurs premières extrémités débouchent au moins au niveau de chacun des coins des extrémités de la tranche de cuves et que leurs secondes extrémités soient chacune rattachées à une vanne qui, d'une part, est logée dans un compartiment fixé au-dessus de la ligne de flottaison du navire coulé, et d'autre part, peut être commandée depuis l'extérieur du navire coulé, chacun desdits tuyaux fixes pouvant, suivant la position d'échouage du navire coulé, constituer un moyen d'introduction d'eau sous pression à l'intérieur de la tranche ou un moyen de refoulement du fluide polluant vers l'extérieur de ladite tranche.This recovery system nevertheless has a drawback consisting in the fact that, when the ship has sunk, it is not easy to access from the outside the compartments housed in the tanks. Another disadvantage lies in the fact that, if it is possible to provide for the installation of such compartments in the tanks during the construction of the ship, it is however very difficult to carry out such an installation on an existing ship. Furthermore, the compartments being stored inside the tanks, sealing and safety problems can be raised. In addition, this system necessarily providing, on the one hand, to extract the second end of the discharge pipe from the tank, and on the other hand, to raise the second end of the injection pipe to the surface, it As a result, the connection between the connecting pipe and the discharge pipe is relatively complex to make. Finally, it is not necessary to ballast the second end of the injection pipe since the density of the water introduced under pressure is greater than that of the polluting fluid. The present invention aims to provide an improvement to the recovery system described above, and consists of an installation for the recovery of a polluting fluid contained in at least one section of transverse tanks of a sunken ship, this installation comprising means for introducing pressurized water into the wafer and means for discharging the polluting fluid towards the outside of the wafer, at least one connecting pipe coming from a rescue vessel which can be connected to one delivery means, characterized in that it comprises a plurality of fixed pipes, each having a first and a second end, these fixed pipes being positioned so that their first ends open out at least at each of the corners of the ends of the edge of the tanks and that their second ends are each attached to a valve which, on the one hand, is housed in a compartment fixed to the above the water line of the sunken ship, and on the other hand, can be controlled from outside the sunken ship, each of said fixed pipes being able, depending on the grounding position of the sunken ship, to constitute a means of introduction pressurized water inside the wafer or a means for discharging the polluting fluid towards the outside of said wafer.
En effet, chacun des compartiments contenant des vannes étant situé au-dessus de ligne de flottaison du navire coulé, un R.O.V. (robot sous- marin télécommandé) ou un plongeur peut accéder beaucoup plus facilement à ces compartiments et ainsi procéder aux opérations de connexion et de commande. De plus, ces compartiments étant de préférence fixés sur le pont du navire, l'implantation sur un navire existant est relativement aisée, et les éventuels problèmes d'étanchéité et de sécurité sont résolus. Par ailleurs, étant donné, d'une part, que l'extrémité d'un tuyau fixe débouche dans chaque coin des extrémités de la tranche de cuves transversale, et d'autre part, que chaque tuyau fixe est relié à une vanne au niveau de sa seconde extrémité, il n'est plus nécessaire de prévoir la remontée de l'une des extrémités du tuyau d'injection afin de permettre l'introduction d'eau sous pression depuis le navire de secours. En effet, le R.O.V. ou le plongeur peut directement commander l'ouverture au choix d'une ou de plusieurs vannes logées dans des compartiments accessibles depuis l'extérieur du navire. Le ou les tuyaux fixes associés à cette ou ces vannes agissent par conséquent comme des tuyaux d'introduction, l'eau de mer à pression hydrostatique s'engouffrant par lesdites vannes, puis pénétrant le long de chacun de ces tuyaux fixes, et étant finalement introduite dans la tranche de cuves transversale. L'eau de mer possédant une densité supérieure à celle du fluide polluant, il en découle que ce dernier est refoulé par l'eau de mer vers le point le plus haut de la tranche de cuves transversale. Ce fluide polluant est alors amené à pénétrer dans au moins un autre tuyau fixe, agissant en tant que tuyau de refoulement, dont la première extrémité se situe dans le coin d'extrémité le plus haut de la tranche de cuves transeversale. Ce fluide polluant est ensuite refoulé le long de ce tuyau fixe en direction du compartiment associé, puis refoulé le long du tuyau de liaison, auquel la seconde extrémité du tuyau fixe de refoulement est connectée, en direction de la surface où est situé le navire de secours, et enfin peut être déversé du tuyau de liaison dans les cuves du navire de secours à l'aide d'une pompe montée sur celui-ci.Indeed, each of the compartments containing valves being located above the waterline of the sunken ship, a ROV (remote-controlled underwater robot) or a diver can access these compartments much more easily and thus carry out the connection operations and control. In addition, these compartments being preferably fixed to the deck of the ship, installation on an existing ship is relatively easy, and any problems of tightness and security are resolved. Furthermore, given, on the one hand, that the end of a fixed pipe opens into each corner of the ends of the transverse section of tanks, and on the other hand, that each fixed pipe is connected to a valve at its second end, it is no longer necessary to provide for the ascent of one of the ends of the injection pipe in order to allow the introduction of pressurized water from the vessel of help. In fact, the ROV or the diver can directly order the opening, as desired, of one or more valves housed in compartments accessible from outside the ship. The fixed pipe or pipes associated with this or these valves act therefore as introduction pipes, seawater at hydrostatic pressure rushing in through said valves, then penetrating along each of these fixed pipes, and being finally introduced into the transverse tank section. Since seawater has a density greater than that of the polluting fluid, it follows that the latter is discharged by seawater towards the highest point of the transverse section of tanks. This polluting fluid is then caused to penetrate into at least one other fixed pipe, acting as a delivery pipe, the first end of which is located in the highest end corner of the section of transverse tanks. This polluting fluid is then discharged along this fixed pipe towards the associated compartment, then discharged along the connecting pipe, to which the second end of the fixed delivery pipe is connected, towards the surface where the vessel is located. emergency, and finally can be poured from the connecting pipe into the tanks of the emergency ship using a pump mounted on it.
Préférentiellement, une paire de tuyaux fixes peut être connectée à chaque compartiment contenant deux vannes, chaque paire de tuyaux fixes comprenant, d'une part, un premier tuyau fixe de longueur réduite débouchant en partie haute de la tranche de cuves, et d'autre part, un second tuyau fixe débouchant en partie basse de la tranche de cuves et possédant une longueur supérieure à la hauteur des cuves. Avantageusement, quatre compartiments distincts contenant des vannes sont associés à chaque tranche de cuves transversale du navire. II doit être compris au sens de la présente invention que chaque tuyau de longueur réduite peut ne pas déboucher dans la tranche de cuves transversale à laquelle il est associé. En effet, lorsqu'un compartiment est positionné à proximité de l'un des coins d'extrémité de la tranche de cuves transversale, le tuyau de longueur réduite peut consister en un canal ménagé à l'intérieur du compartiment, ce canal présentant une première extrémité sous la forme d'un simple orifice réalisé dans le fond du compartiment au niveau d'un coin d'extrémité de la tranche, et une seconde extrémité accessible depuis l'extérieur du compartiment.Preferably, a pair of fixed pipes can be connected to each compartment containing two valves, each pair of fixed pipes comprising, on the one hand, a first fixed pipe of reduced length opening at the top of the tank edge, and on the other hand, a second fixed pipe emerging in the lower part of the tank edge and having a length greater than the height of the tanks. Advantageously, four separate compartments containing valves are associated with each section of the vessel's transverse tanks. It should be understood within the meaning of the present invention that each pipe of reduced length may not open into the transverse section of tanks with which it is associated. In fact, when a compartment is positioned close to one of the end corners of the transverse section of tanks, the reduced length pipe may consist of a channel formed inside the compartment, this channel having a first end in the form of a simple orifice made in the bottom of the compartment at a end corner of the wafer, and a second end accessible from outside the compartment.
Une installation selon l'invention peut être adaptée à tout type de tranche de cuves transversale, par exemple une tranche de cuves transversale comprenant plusieurs cuves pouvant communiquer entre elles après ouverture de vannes prévues dans des parois séparant lesdites cuves. Préférentiellement, ces vannes sont positionnées en partie basse et en partie haute de chacune des parois séparant les cuves d'une tranche.An installation according to the invention can be adapted to any type of transverse tank section, for example a transverse tank section comprising several tanks which can communicate with one another after opening valves provided in walls separating said tanks. Preferably, these valves are positioned in the lower part and in the upper part of each of the walls separating the tanks from a section.
II
Bien évidemment, si les cuves ne peuvent pas communiquer entre elles, il suffit de prévoir qu'une première extrémité d'un tuyau fixe débouche dans chacun des coins de chaque cuve. Dans ce cas, chaque cuve peut être vidangée indépendamment des autres cuves de la même tranche transversale.Obviously, if the tanks cannot communicate with each other, it suffices to provide that a first end of a fixed pipe opens into each of the corners of each tank. In this case, each tank can be drained independently of the other tanks of the same transverse section.
En variante, il peut être prévu que chaque cuve soit séparée d'une cuve adjacente par une cloison, et que cette cloison séparatrice soit traversée, au voisinage de chacun de ses coins, par un raccord sur lequel est rapporté un clapet lesté apte, selon le positionnement du navire, à obturer ou désobturer la section de passage dudit raccord.As a variant, provision may be made for each tank to be separated from an adjacent tank by a partition, and for this separating partition to be crossed, in the vicinity of each of its corners, by a connector to which a suitable weighted valve is attached, according to positioning of the vessel, to close or unclog the passage section of said fitting.
Préférentiellement, les vannes logées dans les compartiments, et le cas échéant, les vannes prévues dans les parois séparants lesdites cuves, sont des vannes à guillotine.Preferably, the valves housed in the compartments, and where appropriate, the valves provided in the walls separating said tanks, are guillotine valves.
L'invention sera mieux comprise à l'aide de la description détaillée qui est exposée ci-après en regard du dessin annexé dans lequel :The invention will be better understood using the detailed description which is set out below with reference to the appended drawing in which:
La figure 1 est une vue schématique de dessus d'un navire comprenant plusieurs tranches de cuves transversales, équipé d'une installation selon l'invention ;Figure 1 is a schematic top view of a ship comprising several sections of transverse tanks, equipped with an installation according to the invention;
La figure 2 est une vue schématique partielle en perspective de deux tranches de cuves transversale du navire représenté à la figure 1 avec omission des cuves centrales ; ιFigure 2 is a partial schematic perspective view of two sections of transverse tanks of the ship shown in Figure 1 with omission of the central tanks; ι
La figure 3 est une vue schématique en coupe selon la ligne lll-lll de la tranche de cuves transversale représentées à la figure 2.FIG. 3 is a schematic sectional view along the line III-III of the section of transverse tanks represented in FIG. 2.
La figure 4 est une vue schématique de l'installation selon l'invention après raccordement d'un tuyau de liaison provenant d'un navire de secours sur un compartiment du navire échoué.Figure 4 is a schematic view of the installation according to the invention after connection of a connecting pipe from a rescue vessel to a compartment of the stranded vessel.
La figure 5 est une vue schématique partielle en perspective d'une autre tranche de cuves transversale, avec omission de la cuve centrale. La figure 6 est une vue schématique partielle en perspective d'une autre tranche de cuves transversale, avant échouage du navire.Figure 5 is a partial schematic perspective view of another section of transverse tanks, with omission of the central tank. Figure 6 is a partial schematic perspective view of another section of transverse tanks, before the grounding of the ship.
La figure 7 est une vue schématique partielle en perspective de la tranche de cuves transversale représentée à la figure 6, après échouage du navire sur le pont.Figure 7 is a partial schematic perspective view of the transverse section of tanks shown in Figure 6, after the grounding of the ship on deck.
La figure 1 est une vue schématique de dessus d'un navire 1 présentant cinq tranches 2 de cuves transversales de forme sensiblement parallélépipédiques auxquelles sont reliés des compartiments 3.FIG. 1 is a schematic top view of a ship 1 having five sections 2 of transverse tanks of substantially parallelepiped shape to which compartments 3 are connected.
Plus précisément, chaque tranche 2 de cuves transversale contient un liquide polluant 4, et est constituée d'une cuve centrale 5 et de deux cuves latérales 6, ces différentes cuves 5, 6 pouvant communiquer entre elles après ouverture des vannes à guillotine 7 prévues dans les parois séparant ces cuves 5, 6. L'ouverture de chacune de ces vannes 7 peut être commandée depuis l'extérieur du navire 1. Les compartiments 3 sont positionnés sur le pont (non représenté) du navire 1 , et sont reliés aux cuves latérales 6 des tranches 2 d'extrémité et aux cuves latérales 6 des tranches 2 intermédiaires. Ainsi, quelle que soit la position d'échouage du navire 1 , chacune des tranches 2 de cuves transversales peut être vidangée par l'intermédiaire d'au moins deux compartiments 3.More precisely, each section 2 of transverse tanks contains a polluting liquid 4, and consists of a central tank 5 and two side tanks 6, these different tanks 5, 6 being able to communicate with each other after opening the guillotine valves 7 provided in the walls separating these tanks 5, 6. The opening of each of these valves 7 can be controlled from outside the ship 1. The compartments 3 are positioned on the deck (not shown) of the ship 1, and are connected to the tanks side 6 of the end 2 sections and to the side tanks 6 of the 2 intermediate sections. Thus, whatever the grounding position of the vessel 1, each of the sections 2 of transverse tanks can be drained by means of at least two compartments 3.
En se reportant aux figures 2 et 3, on observe qu'un tuyau fixe t métallique ou souple, de longueur réduite, et qu'un tuyau fixe T métallique ou souple, possédant une longueur supérieure à la hauteur des cuves 5, 6, relient chaque compartiment 3 à une cuve latérale 6 d'une tranche 2. En section, le diamètre d'un tuyau fixe t est identique à celui d'un tuyau fixe T.Referring to Figures 2 and 3, it is observed that a fixed metal or flexible pipe t, of reduced length, and that a fixed metal or flexible pipe T, having a length greater than the height of the tanks 5, 6, connect each compartment 3 has a side tank 6 of a section 2. In section, the diameter of a fixed pipe t is identical to that of a fixed pipe T.
Plus précisément, chaque tuyau fixe t de longueur réduite présente, d'une part, une première extrémité 8 débouchant au voisinage d'un coin d'extrémité situé en partie haute de la tranche 2 associée, et d'autre part, une seconde extrémité 9 connectée à une vanne à guillotine 10 logée dans le compartiment 3 et accessible depuis l'extérieur du navire 1 par l'intermédiaire d'un raccord rapide 11.More precisely, each fixed pipe t of reduced length has, on the one hand, a first end 8 opening out in the vicinity of an end corner located in the upper part of the associated wafer 2, and on the other hand, a second end 9 connected to a guillotine valve 10 housed in compartment 3 and accessible from outside the vessel 1 by means of a quick coupling 11.
Chaque tuyau fixe T de grande dimension présente, d'une part, une première extrémité 12 débouchant au voisinage d'un coin d'extrémité situé en partie basse de la tranche 2 associée, et d'autre part, une seconde extrémité 13 connectée à une vanne à guillotine 14 logée dans le compartiment 3 et accessible depuis l'extérieur du navire 1 par l'intermédiaire d'un raccord rapide 15.Each large fixed pipe T has, on the one hand, a first end 12 opening out in the vicinity of an end corner situated in the lower part of the associated wafer 2, and on the other hand, a second end 13 connected to a guillotine valve 14 housed in the compartment 3 and accessible from outside the vessel 1 via a quick connector 15.
De façon à faciliter la compréhension de l'invention, le navire 1 représenté à la figure 4 ne comporte qu'une seule tranche 2 de cuves latérale selon la figure 3. Lorsque le navire 1 a coulé et repose sur 'le fond 28 de la mer 29, un navire de secours 30 vient se positionner sensiblement à la verticale du navire 1 après repérage de ce dernier. Un tuyau de liaison L est alors disposé entre le navire de secours 30 et l'un des compartiments 3 accessibles du navire 1. Plus précisément, ce tuyau de liaison L présente, d'une part, une première extrémité reliée à une pompe 31 installée sur le navire de secours 30, et d'autre part, une seconde extrémité 32 qui est connectée, par un R.O.V ou par un plongeur, au raccord rapide 11 de la vanne à guillotine 10 elle-même raccordée à la seconde extrémité 9 du tuyau fixe t de ce compartiment 3. Après ouverture, d'une part, des vannes à guillotine 10, 14 logées dans ce compartiment 3, et d'autre part, des vannes 7 prévues dans les parois séparant les cuves 5, 6 de la même tranche 2, de l'eau de mer 29 à pression hydrostatique est introduite dans la tranche 2 via le tuyau fixe T. L'eau de mer 29 possédant une densité supérieure à celle du fluide polluant 4 contenu dans la tranche 2, ce dernier est alors refoulé par l'eau de mer 29 à travers le tuyau fixe t et le tuyau de liaison L, puis finalement déversé dans les cuves du navire de secours 30 à l'aide de la pompe 31. En cas de fioul très lourd, il peut être utile de connecter une pompe immergée au niveau du navire échoué, pour accélérer la remontée dudit fioul vers la surface. II est à noter que l'on pourrait aboutir au même résultat en connectant ce tuyau de liaison L, non pas au tuyau fixe t de longueur réduite, mais au tuyau fixe T de grande longueur. En effet, dans ce cas, le tuyau t agirait en tant que tuyau d'introduction d'eau de mer 29 à pression hydrostatique, et le tuyau T jouerait le rôle d'un tuyau de refoulement du fluide polluant 4 vers l'extérieur des cuves 5, 6 de la tranche 2.In order to facilitate the understanding of the invention, the vessel 1 shown in Figure 4 comprises only one wafer 2 side tanks according to Figure 3. When the vessel 1 has sunk and is based on 'the bottom 28 of the sea 29, a rescue vessel 30 is positioned substantially vertically above the vessel 1 after locating the latter. A connecting pipe L is then placed between the rescue vessel 30 and one of the compartments 3 accessible from the ship 1. More specifically, this connecting pipe L has, on the one hand, a first end connected to a pump 31 installed on the rescue vessel 30, and on the other hand, a second end 32 which is connected, by an ROV or by a plunger, to the quick connector 11 of the guillotine valve 10 itself connected to the second end 9 of the pipe fixed t of this compartment 3. After opening, on the one hand, guillotine valves 10, 14 housed in this compartment 3, and on the other hand, valves 7 provided in the walls separating the tanks 5, 6 of the same section 2, seawater 29 at hydrostatic pressure is introduced into section 2 via the fixed pipe T. Since seawater 29 has a density greater than that of the polluting fluid 4 contained in section 2, the latter is then discharged by seawater 29 through the fixed pipe t and the connecting pipe L, then finally poured into the tanks of the emergency vessel 30 using the pump 31. In the case of very heavy fuel oil, it may be useful to connect a submerged pump to the level of the stranded vessel, to speed up the ascent of said fuel oil to the surface. It should be noted that one could achieve the same result by connecting this connecting pipe L, not to the fixed pipe t of reduced length, but to the fixed pipe T of great length. In fact, in this case, the pipe t would act as a seawater introduction pipe 29 at hydrostatic pressure, and the pipe T would act as a pipe for discharging the polluting fluid 4 towards the outside of the tanks 5, 6 of section 2.
De manière à accélérer la récupération du fluide polluant 4, il doit être également bien compris que si plusieurs compartiments 3 sont accessibles depuis l'extérieur du navire 1, il est alors possible de relier l'un. des deux tuyaux fixes t ou T de chacun de ces compartiments 3 à un tuyau de liaison L distinct, le tuyau fixe T ou t restant libre étant alors destiné à assurer l'introduction de , ^_.„nff 004/065205In order to accelerate the recovery of the polluting fluid 4, it should also be understood that if several compartments 3 are accessible from outside the vessel 1, it is then possible to connect one. two fixed pipes t or T from each of these compartments 3 to a separate connecting pipe L, the fixed pipe T or t remaining free then being intended to ensure the introduction of , ^ _. „ Nff 004/065205
l'eau de mer 29 à pression hydrostatique à l'intérieur de la tranche 2 qui lui correspond.sea water 29 at hydrostatic pressure inside the section 2 which corresponds to it.
Par ailleurs, par exemple dans le cas où deux compartiments 3 d'une tranche 2 sont accessibles depuis l'extérieur du navire 1 , il est possible de relier un tuyau de liaison L distinct à chacun deux tuyaux fixes t, T de l'un des deux compartiments 3, les deux tuyaux fixes t, T de l'autre compartiment 3 restant libres et étant alors destinés à permettre l'introduction de l'eau de mer 29 sous pression hydrostatique après ouverture des vannes correspondantes. Un autre type de tranche 102 de cuves transversale est représenté à la figure 5. Cette tranche 102 diffère de la tranche 2 décrite précédemment par le fait qu'elle ne comprend aucune vanne à guillotine 7 permettant la communication entre la cuve centrale 5 et les deux cuves latérales 6. Par conséquent, il est nécessaire de vidanger les cuves 5, 6 indépendamment les unes des autres. Pour cela, un compartiment 3 est prévu au niveau de chacun des coins de chaque cuve 5, 6, et il en découle qu'une première extrémité 8, 12 d'un tuyau fixe t, T débouche dans chacun des coins de chaque cuve 5, 6.Furthermore, for example in the case where two compartments 3 of a section 2 are accessible from outside the ship 1, it is possible to connect a separate connecting pipe L to each two fixed pipes t, T of one of the two compartments 3, the two fixed pipes t, T of the other compartment 3 remaining free and then being intended to allow the introduction of sea water 29 under hydrostatic pressure after opening of the corresponding valves. Another type of section 102 of transverse tanks is shown in FIG. 5. This section 102 differs from section 2 described above in that it does not include any guillotine valve 7 allowing communication between the central tank 5 and the two side tanks 6. Consequently, it is necessary to empty the tanks 5, 6 independently of each other. For this, a compartment 3 is provided at each of the corners of each tank 5, 6, and it follows that a first end 8, 12 of a fixed pipe t, T opens into each of the corners of each tank 5 , 6.
Cependant, pour renforcer la fiabilité de l'installation, il peut être intéressant de disposer un compartiment 3 à chaque coin de cuve 5, 6, même si des vannes à guillotine 7 sont prévues pour assurer la communication entre les différentes cuves 5, 6.However, to reinforce the reliability of the installation, it may be advantageous to have a compartment 3 at each corner of the tank 5, 6, even if guillotine valves 7 are provided to ensure communication between the various tanks 5, 6.
Enfin, en remplacement des vannes à guillotines 7, et comme représenté aux figures 5 et 6, il est également possible d'intégrer, au niveau de chacun des coins de chaque cloison 40 séparant la cuve centrale 5 d'une cuve latérale 6 adjacente, un raccord 41 sur lequel est rapporté un clapet 42 rotatif muni d'un lest 43. A la figure 5, le navire repose sur sa quille, et le clapet 42 vient par conséquent obturer la section de passage du raccord 40 sous l'effet du lest 43. En revanche, comme représenté à la figure 6, si le navire est échoué sur le pont, le clapet 42, sous l'effet du lest 43, est amené à pivoter autour de son axe de rotation. Il en découle alors que le clapet 42 se désengage de la section de passage du raccord 40, ce qui permet finalement d'établir la communication entre les deux cuves 5, 6.Finally, by replacing the guillotine valves 7, and as shown in FIGS. 5 and 6, it is also possible to integrate, at each of the corners of each partition 40 separating the central tank 5 from an adjacent side tank 6, a connector 41 to which a rotary valve 42 provided with a ballast 43 is attached. In FIG. 5, the ship rests on its keel, and the valve 42 consequently closes the passage section of the connector 40 under the effect of the Ballast 43. On the other hand, as shown in FIG. 6, if the ship is stranded on deck, the valve 42, under the effect of ballast 43, is made to pivot around its axis of rotation. It then follows that the valve 42 disengages from the passage section of the connector 40, which finally makes it possible to establish communication between the two tanks 5, 6.
Bien que l'invention ait été décrite en liaison avec des exemples particuliers de réalisation, il est bien évident qu'elle n'y est nullement limitée et qu'elle comprend tous les équivalents techniques des moyens décrits ainsi que leurs combinaisons si celles-ci entrent dans le cadre de l'invention. Although the invention has been described in connection with particular examples of embodiment, it is obvious that it is in no way limited thereto and that it includes all the technical equivalents of the means described as well as their combinations if these fall within the scope of the invention.

Claims

REVENDICATIONS
1- Installation pour la récupération d'un fluide polluant (4) contenu dans au moins une tranche (2) de cuves transversale d'un navire (1) coulé, cette installation comprenant des moyens d'introduction d'eau sous pression dans la tranche et des moyens de refoulement du fluide polluant vers l'extérieur de la tranche, au moins un tuyau de liaison (L) provenant d'un navire de secours (30) pouvant être connecté à l'un des moyens de refoulement, caractérisée en ce qu'elle comprend une pluralité de tuyaux fixes (t, T) présentant chacun une première et une seconde extrémités (8, 9, 12, 13), ces tuyaux fixes étant positionnés de telle sorte que leurs premières extrémités (8, 12) débouchent au moins au niveau de chacun des coins des extrémités de la tranche et que leurs secondes extrémités (9, 13) soient chacune rattachées à une vanne (10, 14) qui, d'une part, est logée dans un compartiment (3) fixé au- dessus de la ligne de flottaison du navire coulé, et d'autre part, peut être commandée depuis l'extérieur du navire coulé, chacun desdits tuyaux fixes pouvant, suivant la position d'échouage du navire coulé, constituer un moyen d'introduction d'eau sous pression à l'intérieur de la tranche ou un moyen de refoulement du fluide polluant vers l'extérieur de la tranche. 1- Installation for the recovery of a polluting fluid (4) contained in at least one section (2) of transverse tanks of a sunken ship (1), this installation comprising means for introducing pressurized water into the wafer and means for discharging the polluting fluid towards the outside of the wafer, at least one connecting pipe (L) coming from a rescue vessel (30) which can be connected to one of the delivery means, characterized in that it comprises a plurality of fixed pipes (t, T) each having a first and a second end (8, 9, 12, 13), these fixed pipes being positioned so that their first ends (8, 12) open at least at each of the corners of the ends of the wafer and that their second ends (9, 13) are each attached to a valve (10, 14) which, on the one hand, is housed in a compartment (3) fixed above the waterline of the sunken ship, and further by t, can be controlled from outside the sunken ship, each of said fixed pipes being able, depending on the grounding position of the sunken ship, to constitute a means of introducing pressurized water inside the wafer or a means of discharge of the polluting fluid towards the outside of the wafer.
2.- Installation selon la revendication 1, caractérisée en ce que chaque compartiment (3) contenant des vannes (10, 14) est fixé sur le pont du navire (1) coulé.2.- Installation according to claim 1, characterized in that each compartment (3) containing valves (10, 14) is fixed on the deck of the ship (1) sunk.
3.- Installation selon l'une quelconque des revendications 1 ou 2, caractérisée en ce qu'une paire de tuyaux fixes (t, T) est connectée à chaque compartiment (3) contenant deux vannes (10, 14).3.- Installation according to any one of claims 1 or 2, characterized in that a pair of fixed pipes (t, T) is connected to each compartment (3) containing two valves (10, 14).
4.- Installation selon la revendication 3, caractérisée en ce que chaque paire de tuyaux fixes comprend, d'une part, un premier tuyau fixe (t) de longueur réduite débouchant en partie haute de la tranche (2), et d'autre part, un second tuyau fixe (T) débouchant en partie basse de la tranche et possédant une longueur supérieure à la hauteur des cuves (5, 6).4.- Installation according to claim 3, characterized in that each pair of fixed pipes comprises, on the one hand, a first fixed pipe (t) of reduced length opening into the upper part of the wafer (2), and other hand, a second fixed pipe (T) emerging in the lower part of the wafer and having a length greater than the height of the tanks (5, 6).
5.- Installation selon l'une quelconque des revendications 1 à 4, caractérisée en ce que quatre compartiments (3) distincts contenant des vannes (10, 14) sont associés à chaque tranche (2) de cuves transversale.5.- Installation according to any one of claims 1 to 4, characterized in that four separate compartments (3) containing valves (10, 14) are associated with each section (2) of transverse tanks.
6.- Installation selon l'une quelconque des revendications 1 à 5, caractérisée en ce que chaque tranche (2) de cuves transversale peut être divisée en plusieurs cuves (5, 6) pouvant communiquer entre elles après ouverture de vannes (7) prévues dans des parois séparant lesdites cuves.6.- Installation according to any one of claims 1 to 5, characterized in that each section (2) of transverse tanks can be divided into several tanks (5, 6) which can communicate with each other after opening valves (7) provided in walls separating said tanks.
7. Installation selon la revendication 6, caractérisée en ce que les vannes (7) sont positionnées en partie basse et en en partie haute de chacune des parois séparant les cuves (5, 6) d'une tranche (2).7. Installation according to claim 6, characterized in that the valves (7) are positioned in the lower part and in the upper part of each of the walls separating the tanks (5, 6) from a section (2).
8.- Installation selon l'une quelconque des revendications 1 à 7, caractérisée en ce que chaque vanne (7, 10, 14) est une vanne à guillotine.8.- Installation according to any one of claims 1 to 7, characterized in that each valve (7, 10, 14) is a guillotine valve.
9.- Installation selon l'une quelconque des revendications 1 à 3, caractérisée en ce qu'une première extrémité (8, 12) d'un tuyau fixe (t, T) débouche dans chacun des coins de chaque cuve (5, 6).9.- Installation according to any one of claims 1 to 3, characterized in that a first end (8, 12) of a fixed pipe (t, T) opens into each of the corners of each tank (5, 6 ).
10.- Installation selon la revendication 9, caractérisée en ce que chaque cuve (5, 6) est séparée d'une cuve adjacente par une cloison (40), et en ce que cette cloison séparatrice est traversée, au voisinage de chacun de ses coins, par un raccord (41) sur lequel est rapporté un clapet (42) lesté apte, selon le positionnement du navire, à obturer ou désobturer la section de passage dudit raccord. 10.- Installation according to claim 9, characterized in that each tank (5, 6) is separated from an adjacent tank by a partition (40), and in that this separating partition is crossed, in the vicinity of each of its corners, by a connector (41) on which is attached a valve (42) ballasted capable, depending on the positioning of the vessel, to close or unclog the passage section of said connector.
EP03815411A 2003-01-03 2003-12-16 Installation for the recovery of a polluting fluid contained in at least one transverse section of the tanks of a sunken vessel Expired - Lifetime EP1578661B1 (en)

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FR0300044 2003-01-03
FR0300044A FR2849640B1 (en) 2003-01-03 2003-01-03 INSTALLATION FOR RECOVERING A POLLUTANT FLUID CONTAINED IN AT LEAST ONE TRANSVERSAL VESSEL TRENCH OF A CAST VESSEL
PCT/FR2003/003742 WO2004065205A1 (en) 2003-01-03 2003-12-16 Installation for the recovery of a polluting fluid contained in at least one transverse section of the tanks of a sunken vessel

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FR2849640B1 (en) 2005-03-04
ZA200505185B (en) 2006-04-26
AR042684A1 (en) 2005-06-29
BR0317918B1 (en) 2012-08-21
CA2511801A1 (en) 2004-08-05
ATE384660T1 (en) 2008-02-15
HRP20031082A2 (en) 2005-02-28
FR2849640A1 (en) 2004-07-09
EP1578661B1 (en) 2008-01-23
WO2004065205A1 (en) 2004-08-05
EA200500892A1 (en) 2006-02-24
EA007211B1 (en) 2006-08-25
NO20053718D0 (en) 2005-08-02
NO20053718L (en) 2005-09-30
JP2006512253A (en) 2006-04-13
CN1735532A (en) 2006-02-15
BR0317918A (en) 2005-11-29
NO336153B1 (en) 2015-05-26
PA8593801A1 (en) 2005-03-28
DE60318901D1 (en) 2008-03-13
HRP20031082B1 (en) 2010-02-28
JP4153913B2 (en) 2008-09-24

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