EP1449762B1 - Procédé et installation de récupération d'effluents en mer à l'aide d'un réservoir navette - Google Patents
Procédé et installation de récupération d'effluents en mer à l'aide d'un réservoir navette Download PDFInfo
- Publication number
- EP1449762B1 EP1449762B1 EP03358003A EP03358003A EP1449762B1 EP 1449762 B1 EP1449762 B1 EP 1449762B1 EP 03358003 A EP03358003 A EP 03358003A EP 03358003 A EP03358003 A EP 03358003A EP 1449762 B1 EP1449762 B1 EP 1449762B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- reservoir
- shuttle
- effluent
- tank
- shuttle reservoir
- 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.)
- Expired - Lifetime
Links
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- 238000009434 installation Methods 0.000 title claims description 14
- 238000011084 recovery Methods 0.000 title description 10
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Images
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
- B63B27/08—Arrangement of ship-based loading or unloading equipment for cargo or passengers of winches
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/08—Devices for reducing the polluted area with or without additional devices for removing the material
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/01—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells specially adapted for obtaining from underwater installations
- E21B43/0122—Collecting oil or the like from a submerged leakage
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B2015/005—Tent-like structures for dealing with pollutant emissions below the water surface
Definitions
- the present invention relates to a method and an installation of recovery of effluents at sea and more particularly pollutant effluents contained in a sunken and damaged ship lying at the bottom of the sea.
- the ship When the tankers sank, the ship sank in general after being deeply damaged and having lost some of his cargo.
- the depth of water is important, for example 100 or 200 meters, the recovery of the wreck or its recovery, is not generally considered, but the hull must be completely emptied and rinsed, so that the corrosion of the structure over time, creating localized or generalized holes, do not lead to the release of the contents of the ship, thus creating a pollution can last for years, even decades.
- the implementation of said positioning means, during successive descents and ascents of said receptacle, represents a very long operation and relatively difficult to achieve great depth.
- the pumping, through a said pipe evacuation is not possible at such a depth, especially as soon as the effluent has a high viscosity and tends to freeze as paraffin. same if a heating system is installed in the catchment area or in the the upper part of the bell during the ascent, the viscous effluent tends to freeze, making pumping very difficult.
- the object of the present invention is to provide a method and an installation to recover the contents of the bunkers of a ship, for example a tanker, resting on the seabed, in deep water depths, particularly greater than 3000 meters, or even 4000 to 5000 meters, and do not have the disadvantages of prior methods and devices and, in that are easy and simple to implement.
- Said dome with its profile in the form of shells in section vertical, associated with said buoyancy elements facilitates the ascent to the shuttle tank surface once full, using the only proper buoyancy oil and, where appropriate, additional buoyancy elements.
- shell profile a profile in the shape of an ellipsoid or paraboloid well known to those skilled in the art.
- said buoyancy elements of said shuttle tank are integrated within said dome, said buoyancy elements consisting of preferably in syntactic foam.
- said buoyancy elements are integrated inside said dome in its upper part, so that the center of buoyancy of said shuttle tank filled with effluents is shifted upwards by relative to its apparent center of gravity in the water.
- Sufficient buoyancy is installed and in a sufficiently high position so that the center of buoyancy, thus shifted upward, associated with the shape dome profile, allows the shuttle tank to retain, during its entire natural rise, a substantially straight and vertical trajectory, then, arrived on the surface, to be easily held in a horizontal position to be taken into trailer then directed to a storage vessel, preferably a decked vessel submersible, to introduce said shuttle tank of said vessel without having removing said shuttle tank from the water.
- said shuttle tank is maintained close to said effluent disposal device by means of an anchor, comprising cables connecting first attachment points fixed on the circumference of said bottom of the shuttle tank and second attachment points on the vessel, or the seabed, preferably winches corresponding to the said second attachment points, for anchoring said shuttle tank on said ship or on the bottom of the sea.
- an anchor comprising cables connecting first attachment points fixed on the circumference of said bottom of the shuttle tank and second attachment points on the vessel, or the seabed, preferably winches corresponding to the said second attachment points, for anchoring said shuttle tank on said ship or on the bottom of the sea.
- Said buoyancy elements associated with said shuttle tank ensure the tensioning said cables, thereby maintaining said reservoir shuttle in suspension near and vertically of said opening of the hull and / or tank and, where appropriate, in cooperation with said evacuation device.
- These anchoring means can be implemented easily using an ROV.
- said shuttle reservoir comprises, preferably at its bottom, at least a second orifice equipped with a second valve.
- This complementary orifice makes it possible to fill seawater with said reservoir shuttle, once it is docked so as to cooperate with said device evacuation and thus allowing said shuttle tank to pass from its so-called configuration picked up at its so-called deployed configuration and allowing subsequently the evacuation of the seawater during the filling of said reservoir shuttle with said effluent flowing from said discharge device.
- said shuttle reservoir comprises an internal pocket flexible, preferably consisting of a net with fine mesh, able to confine said viscous effluent, said pocket having an opening adapted to cooperate, by reversible connection, with said main opening of the bottom allowing the filling of the shuttle tank.
- This embodiment comprising an internal pocket, facilitates the emptying the shuttle tank when it arrived at its destination at the dump site. It will be explained later.
- said device for evacuating Effluent is installed through an opening in the shell and / or the tank.
- the shuttle reservoir is manipulated by the ROV and is installed directly on the wreck by cooperating with the lower hole said shuttle tank and the opening created in the hull, in a sealed manner, the various elements, as well as the locking means of said elements being able to withstand the efforts created by the overall buoyancy of the tank Shuttle full of oil, as well as all the efforts due to the marine currents.
- said evacuation device cooperates with an upper orifice of a receptacle, said receptacle comprising a lower orifice positioned near and vertically at least one opening in the hull and / or tank so as to recover said effluents pollutants flowing from said opening by raising them in said orifice lower of said receptacle.
- This second variant embodiment makes it possible to recover effluents flowing, including several openings in said shell.
- a receptacle may be used as described in FR 2 804 935.
- the evacuation device can be installed on an existing opening or a pre-drilled opening specially for introducing the evacuation device.
- the evacuation device is placed in the upper part of the tank to facilitate the installation of the receptacle above the end of the pipe.
- the use of a pipe allows when necessary to install the evacuation device on the side walls of the tank in the extent that said pipe can be disengaged from the sidewall depending of the form he is made to adopt.
- the peripheral skirt around the lower orifice allows to cap, that is to say to completely cover said end of the piping from above and to the sides, so that the effluents go well towards the open inner hole and can not escape.
- Said receptacle is kept in suspension near the vertical of the opening through which the effluents flow in order to overcome the geometry of the ship and not to be dependent on any instability of the ship.
- All the devices described in the present invention allow the recovery of immiscible or poorly miscible fluids with seawater and whose density is less than 1 with respect to said seawater.
- the technology is particularly applicable to hydrocarbons whose density ranges from 0.75 for lighter ones, to values close to 1 for the heaviest.
- the present invention also relates to the installation useful in a process for the recovery of polluting effluents contained in the tanks of a vessel cast and / or damaged resting at the bottom of the sea according to the invention, characterized in that it comprises a said shuttle reservoir as defined above and, where appropriate appropriate, a said receptacle and if necessary, said anchoring means, said positioning means and said tensioning means as defined above.
- FIG 1 there is shown the hull of a wreck or a wall of tank 6 resting on the bottom of the sea 7 filled with hydrocarbon 1 whose density is less than seawater.
- the said hydrocarbon is confined in the top of the tank or wreck 6, the lower part is, for its part, filled with water
- the vessel usually has multiple closed openings hermetically at the deck, leakage may occur as soon as this seal would be degraded by deformation or rupture of the hull during the sinking.
- An evacuation device 6 1 -6 3 of the effluents comprising a valve 6 1 and a pipe 6 2 equipped at its end with a connection flange 6 is installed through the shell and / or the wall of the tank 6. 3 which is connected to a corresponding flange 5 3 integral with a shuttle reservoir 2, at its lower part.
- an evacuation device 6 1 , 6 2 effluents is for example according to the technique known as "hot tap", that is to say the hot stitching or charging.
- This technique is to fix directly on the outside of the tank, for example by welding, a short pipe length 6 2 equipped with a full-flow valve 6 1 .
- a special machine, not shown, is then installed in the axis of said pipe is y and sealingly connected.
- the machine is equipped with a drill which, by means of a tool, will reach the wall of the tank and will pierce a hole there, generally of a diameter corresponding to that of the pipe.
- the drill is cleared, the valve closed and the machine can then be dismantled to be replaced by a pipe 2 , rigid or flexible which will evacuate the product without any leakage. was generated.
- the previously described evacuation device can be lowered onto the wreckage and temporarily stabilized by a dead body, a suction bell device, or a magnetic device, and then when the hole has been drilled, said evacuation device 6 1 -6 3 is locked definitively by fingers actuated by the ROV, in particular by bearing, from inside the conduit, on the internal face of the hole in the shell and firmly and sealingly plating said device on the wall of the wreck.
- the drilling task will be greatly simplified by using, within said device, instead of the drill, a breaking explosive configured in a circle and the axis of fire is directed towards the wall of the wreck, the firing plan being in direct contact with said wall.
- the shot of the explosive carried out by the ROV realizes in the hull a substantially circular hole of precise size, allowing the transfer of oil raw to the shuttle tank.
- Said shuttle reservoir 2 is shown in FIGS. 1 to 4 and consists of a flexible and watertight side wall 4, for example made of high strength reinforced plasticized fabrics, secured in the upper part of a dome 3 with a circular horizontal section and vertical section profile in the form of shells made of a strong and rigid material, preferably made of composite material, and secured in the lower part of a rigid and preferably rigid planar bottom 5, preferably circular, also preferably of material composite, so as to represent a minimum apparent weight in water, while guaranteeing rigidity and extreme strength.
- Said bottom 5 is pierced at its center with a main orifice of 5 1 and is provided with a valve 5 2, preferably with full flow, for example of the ball valve, the latter being equipped with a flange 5 3.
- a lateral complementary orifice of smaller diameter is provided with a valve 4 , thus allowing seawater exchanges between the inside of the shuttle tank and the marine environment, and in particular when filling the tank with oil, to sea water to escape.
- the dome 3 and the bottom 5 may have a diameter of 5 to 10 m, the dome 3 a height of 2 to 5 m and the side wall 4, once unfolded, a height from 10 to 50 m.
- valves 5 4 may be necessary to consider large diameters for the main orifice 5 1 and its associated valve 2 , for example 10 to 24 "or more, and one or more complementary orifices from 1 to 4 "provided with valves 5 4 of corresponding diameter.
- the shuttle tank 2 is shown in the extended position (2B) in FIG. 2, the main valve 2 having an integral passage being in the open position.
- FIG. 3 is a sectional view in side view of the shuttle tank 2 in the final phase of preparation before use, that is to say before it is launched and its descent towards the wreck or tank.
- the side wall 4 because of the flexibility of the side wall 4, creating a plurality of folds 4 1 Apportionment on the periphery, which reduces the shuttle tank length by bringing the base 5 of the dome 3.
- the bottom 5 and the dome 3 are brought as close as possible to obtain a shuttle reservoir 2 in the picked-up position (2A), thus occupying a minimum of volume, which presents a considerable advantage for its handling, for its descent to the wreck or tank 6 and for its implementation on the evacuation devices 6 1 -6 3 which have been prepared on the hull of said wreck or wall of said vessel 6.
- the picked up position (2A) such that detailed in FIG. 3, the shuttle tank 2 is firmly held by straps 7 connecting the bottom 5 and the dome 3 each equipped with hooks 7 1 at their periphery.
- buoyancy e.g., syntactic foam 3 1 consisting of glass microspheres embedded in epoxy resins, polyurethane or others.
- the shuttle tank 2 is lowered to the wreck or tank 6 in the picked up position (2A), and has an apparent weight in the water very low and which can be adjusted in positive as in negative, which facilitates its installation directly by an ROV 30 (automatic submarine piloted from the surface and equipped with manipulator arms).
- the ROV manipulates the shuttle tank so as to match the flange 5 3 secured to the lower orifice of 5 1 of the bottom 5 of said shuttle tank 2, and the flange 6 3
- the shuttle tank 2 is positioned by the ROV near the wreck and above the evacuation device 6 1 -6 3 using cables 12 1 from winches 14 1 installed on the hull or wall of the tank 6 or close, and connected to the attachment lugs 13 1 secured to the bottom 5 of said shuttle tank 2.
- winches 14 1 By acting on the winches 14 1 , the shuttle tank 2 of its connection point constituted by the fixed flange 6 3 installed on the hull of the wreck or tank wall 6, then the two flanges 3 , 6 3 are locked with the aid of the ROV.
- the main valve 5 1 integral passage integral with the bottom 5 of the shuttle tank 2 is then open, like the valve 6 1 of the discharge device located on the hull of the wreck or tank wall 6, which by simple effect of difference in density between the oil 1 and the seawater, transfers said oil 1 upwards, ie performs the complete filling of said shuttle tank. During filling, the corresponding volume of seawater escapes through the lateral complementary orifice 5 4 .
- the two valves 5 2 and 5 4 of the bottom 5 are closed, the two flanges 5 3 and 6 3 are released and the shuttle tank 2 full then has a positive buoyancy, which allows its transfer to the surface.
- allowed to shuttle tank 2 rise naturally to the surface, because the forming shell of the dome 3, combined with the buoyancy created by the syntactic foam 3 1 Integrated the dome 3 and the weight of the bottom 5, comprising in particular the flange 5 3 connection and the main ball valve 5 2 , shifts up the center of buoyancy and downwards the apparent center of gravity in the water, which allows the shuttle tank 2 to keep throughout the ascent substantially straight and vertical trajectory, as shown in Figure 5.
- a storage vessel 10 preferably a submersible bridge vessel.
- Such a submersible deck vessel allows ballast to maintain the main deck under several meters of water, thus allowing the packages to be transported by floatation, then deballasting out the deck of water and carry the transport "dry" parcels.
- Such vessels are available from many shipowners, for example Mamoeth (Holland).
- the shuttle reservoir 2 is completely free and uncontrollable, it can surface at any point in the area of operations, and to avoid any incident, we advantageously equip the dome of the shuttle tank of a acoustic transponder so that it can be located during the entire said shuttle tank and thus avoid any collision, by moving the where applicable, the various vessels operating on the surface
- the shuttle tanks 2 are advantageously stored side by side on simple supports and thus secured with the deck of the carrier vessel 10.
- the vessel 10 when loaded, is deballasted, then directed to a port where it is reballasted to make the transfer shuttle tank to recovery units. Once released, the ship returns to site for a new load.
- the shuttle tanks 2 are maintained in buoyancy and preferably conducted in an isolated retention pond, to be emptied of their contents, to avoid any pollution of the environment.
- the emptying is advantageously carried out horizontally, the shuttle tank 2 being always floating, by connecting, on the flange 5 3 secured to the bottom 5 of the shuttle tank 2, a pipe, preferably flexible, connected to a pumping system.
- the recovered oil being generally extremely viscous, it facilitates the emptying by creating a reheating of the area near the outlet orifice 5 1 of the shuttle reservoir 2, for example by injecting a hot fluid through the lateral complementary orifice 5 4 , said hot fluid is preferably crude oil heated to high temperature, that is to say at 80 to 100 ° C, which allows to fluidize the viscous oil located near the outlet.
- a hot fluid is preferably crude oil heated to high temperature, that is to say at 80 to 100 ° C, which allows to fluidize the viscous oil located near the outlet.
- the shuttle tank 2 is in the intermediate position (2C) as shown in Figure 3, then it is picked up (2A) as shown in Figure 4 and the assembly is firmly held by straps 7 connecting the bottom 5 and the dome 3. The shuttle tank 2 is again ready to be forwarded on site for a new filling cycle.
- Said receptacle 20 is in the form of an inverted umbrella or a funnel of circular or trapezoidal section that covers the entire area comprising several openings emitting polluting effluents.
- the size of the funnel of the receptacle 20 may correspond to a diameter of about 25 to 50 m or more, and a height of about 25 to 50 m also. It consists of a rigid armature associated with a flexible membrane or a rigid structure in the form of a funnel whose upper part 17 is equipped with a discharge device 6 1 -6 3 comprising a valve 6 1 with a pipe 6 2 equipped at its upper part with a flange 6 3 cooperating with a corresponding flange 5 3 of the bottom 5 of the shuttle tank 2.
- the bell 20 is held in position by a set of cables 12 2 connected, on the one hand, to a fastener 13 2 integral with the bell and, on the other hand, to a winch 14 2 on the tank or wreck 6
- These cables preferably 3 cables, are installed to form a pyramid, preferably equilateral triangular base.
- the position of said bell can be adjusted and maintained closer to the wreck, for example 50 cm or 1 m, so that the lower end of the large open base of the funnel which constitutes the peripheral skirt defining the lower opening 19 of said receptacle 20 can cover the evacuation device 6 1 -6 3 optionally equipped with a valve channel 6 5 of the wall of the vessel or wreck 6 as shown in Figure 7 , and so that pollution is not carried away by the current and then escapes the collector that constitutes the bell.
- the entire system of conduits of the ship will interfere with the bell which can not be installed closer, but by adjusting, by means of the winches 14 2 , the lengths of the cables 12 2 .
- Said bell 20 will be maintained in a position to optimize the recovery effect.
- the winches 14 2 can be installed either on the wreck or on the bell or on dead bodies placed on said wreck or located in the immediate vicinity of the wreck.
- Said receptacle 20 is made floating by means such as buoys 15, 16 in syntactic material resistant to bottom pressure or buoys hollow materials, such as plastics, steel or materials composites.
- the receptacle is held in position by means of a peripheral float 16 surrounding the tubular upper part of the funnel and a series of floats 15 connected to the circumference of the big base of the funnel in its part lower.
- Said receptacle 20 comprises heating means 21 of said polluting effluents 1 to make them less viscous and means of isolation thermal of its outer wall 22.
- an additional heating system 6 6 is advantageously installed in the capture zone 6 4 , as well as than in the upper part of the bell 20, the outside of said bell being preferably protected by a thermal insulation 22.
- An assistance ship 31 provides the power necessary for reheating and the operation of the ROV 30 via an umbilical 32, as explained in Figure 7.
- the attachment points on the wreck or tank 6 and in particular the winches 14 1 and 14 2 are advantageously fixed to the wreckage using a suction box comprising an open face at the interface with the wreck and which cooperates with the latter by a peripheral seal and a suction pipe for evacuating the inside of the box.
- a suction box comprising an open face at the interface with the wreck and which cooperates with the latter by a peripheral seal and a suction pipe for evacuating the inside of the box.
- the pipe may be in communication with a pump installed on the ROV is replaced by a pump attached to the suction box and powered by said ROV or directly from the surface assistance vessel.
- the shuttle reservoir 2 comprises a removable bottom 5 connected, for example by means of not shown bolts, to a peripheral flange 5 secured to the lower end of the flexible side wall 4
- an internal bag 2 1 is advantageously installed, constituting, by itself, a second flexible envelope of similar or even slightly smaller dimensions than the outer envelope constituted by the entire dome 3. of the flexible side wall 4 and the bottom 5 of the shuttle reservoir 2.
- Said bag 2 1 consists of a fine mesh having a single opening downwards, the latter cooperating with a portion of conduit 5 6 continuity from the main opening 5 1 of the bottom 5 of the shuttle tank 2 inwards.
- Said second envelope or inner bag 2 1 is secured to said pipe portion 5 6 by a strap 5 7 .
- each of the shuttle tanks 2 is towed horizontally in the retention basin, then, still in a horizontal position, a ring 3 2 integral with the dome 3 is connected to a mooring point 9 secured to the edge of the basin; the fixing bolts, or the bolts of the flange 5 5 , connecting the flexible side wall 4 and the bottom 5 of the shuttle reservoir 2, are then released, then the entire bottom 5, secured to the inner pocket 2 1 , and dome 3, secured to the side wall 4, constituting an outer envelope, are separated over a few meters.
- a link realized with a single rope is tightened around the orifice of the lower bag 2 1 at the plane A, passing through eyelets 5 8, and then securely tightened so as to close, in leaktight manner, the pocket.
- the bag 2 1 is then separated from the bottom 5 of the shuttle tank 2 by releasing the strap 7 , and said bottom 5 is removed.
- the pocket 2 1 is then extracted completely from the shuttle reservoir 2.
- the shuttle tank is then released and, after relocation of an inner bag 2 1 new, cinched 5 7 of the bottom 5 of said shuttle reservoir 2, the latter is re-assembled by bolts on an outer casing, consisting of the dome 3 integral with the flexible side wall 4, and the assembly is then ready to be put in the picked up position (2A) as explained in FIGS. 3 and 4.
- the pocket 2 1 once extracted, floats within the retention basin. It is then directed, still floating, to a cradle, which will then be extracted from the basin using a high capacity crane, to be transferred, after draining the residual water, to a second retention basin where the bag will be unloaded for preparation, either to be eliminated or to be treated for reuse of some of its constituents.
- the full-flow valves may, because of the very high viscosity of the product, have a poor seal, so be very simplified technology, for example of the iris type, ie type "diaphragm photographic "with integral closure.
- the diameter of the main orifice may be reduced to 10-12 "or less and the valves replaced with simple portions of tubing rubber that is closed by simply pinching between two rulers, this type of sealing being commonly used in peristaltic pumps, will not be developed in these details and constitutes in the context of the invention a type of shut-off gate valve.
Description
- des moyens d'ancrage dudit réceptacle sur le navire comprenant des câbles reliant des points d'attache fixés sur la circonférence de ladite grande base de l'entonnoir et des points d'attache sur le navire, et
- des moyens de tensionnement comprenant :
- des flotteurs reliés à la circonférence de ladite grande base ouverte dudit réceptacle et autour de la section tubulaire en partie supérieure de la petite base dudit entonnoir, et
- des treuils correspondants aux dits points d'attache sur le navire, et
- un conteneur rigide de forme sensiblement tubulaire, qui est maintenu en position verticale à l'aide de flotteurs installés au moins à l'extrémité supérieure ou à chaque extrémité supérieure et inférieure dudit conteneur, et
- lesdits orifices supérieur et inférieur dudit conteneur étant obturables de sorte que ledit réceptacle peut être remonté en surface et installé en position horizontale flottante lorsque lesdits orifices sont obturés, ledit réceptacle pouvant alors être remorqué vers une installation ou un navire de stockage desdits effluents.
- ladite paroi périphérique latérale peut être repliée sur elle-même, pour permettre le rapprochement dudit dôme et dudit fond, de préférence à l'aide de sangles amovibles, ledit réservoir navette étant alors en dite position ramassée et
- lesdits effluents pouvant être confinés à l'intérieur dudit réservoir navette lorsque ladite paroi latérale est dépliée, ledit réservoir navette étant alors en dite position déployée.
- des seconds moyens d'ancrage dudit réceptacle sur ledit navire ou ladite cuve ou ledit fond de la mer comprenant des seconds câbles reliant des points d'attaches fixés sur la circonférence de ladite grande base de l'entonnoir et des points d'attaches sur le navire ou dite cuve ou dit fond de la mer, et
- des moyens de tensionnement comprenant :
- des flotteurs (reliés à la circonférence de ladite grande base ouverte dudit réceptacle et autour de la section tubulaire en partie supérieure de ladite petite base dudit entonnoir, et
- de préférence, des treuils correspondant aux dits points d'attaches sur ledit navire ou dite cuve ou dit fond de la mer.
- des moyens d'ancrage dudit réceptacle 20 sur le navire comprenant des câbles 122 reliant des points d'attache 132 fixés sur la circonférence de ladite grande base de l'entonnoir et des points d'attache 142 ou des corps morts existants ou installés sur le navire, ou à proximité dudit navire sur le fond de la mer et
- des moyens de tensionnement comprenant :
- des flotteurs 15, 16 reliés à la circonférence de ladite grande base ouverte dudit réceptacle et autour de la section tubulaire 17 en partie supérieure de la petite base dudit entonnoir, et
- des treuils 142 correspondants aux dits points d'attache sur le navire,
Claims (12)
- Procédé de récupération d'effluents polluants (1) plus légers que l'eau, contenus dans une cuve (6) d'un navire coulé et/ou endommagé reposant au fond de la mer (7) dans lequel :a) on installe un dispositif d'évacuation (61-63) des effluents comprenant de préférence une canalisation (62) et une vanne (61), coopérant avec une ouverture (64) de la coque et/ou de la cuve (6) de manière à pouvoir récupérer lesdits effluents polluants (1) s'écoulant de ladite ouverture (64) par remontée de ceux-ci jusqu'audit dispositif d'évacuation (61-63), etb) on récupère lesdits effluents (1) s'écoulant de ladite ouverture (64) de la coque et/ou de la cuve (6),1- on descend ledit réservoir navette (2), depuis la surface (11) jusqu'au fond de la mer (7), dans sa dite position ramassée (2A) et on fait coopérer ledit orifice inférieur (51) du réservoir navette (2) avec ledit dispositif d'évacuation (61-63), et2- on remplit ledit réservoir navette (2) jusqu'à ce qu'il adopte sa dite configuration déployée (2B) puis, une fois rempli d'effluents (1), on ferme ladite vanne pour la rendre étanche, et3- on laisse ledit réservoir navette (2) remonter à la surface, une fois rempli, en configuration déployée (2B), ledit réservoir navette (2) comprenant de préférence des éléments de flottabilité (31) en remontant naturellement vers la surface, et4- de préférence, on stocke ledit réservoir rempli d'effluents (1) dans un navire (10) en surface et on vide ledit réservoir navette (2) dans ledit navire (10) ou on le transporte dans un site pour y être vidé, et5- le cas échéant, on répète les étapes 1 à 4 avec un réservoir navette (2), ou un autre réservoir navette (2), jusqu'à ce que la quantité voulue d'effluents (1) soit récupérée.
- Procédé selon la revendication 1, caractérisé en ce que ledit réservoir navette (2) comprend :a) un dôme rigide (3) à base ouverte, de préférence avec un profil en forme d'obus en section verticale et une base circulaire,b) un fond rigide (5) de préférence plat, et dont la périphérie est de préférence circulaire, etc) une paroi périphérique latérale (4) souple, assurant la liaison de ladite base du dôme (3) avec la circonférence dudit fond (5) de sorte que :ladite paroi périphérique latérale (4) peut être repliée sur elle-même, pour permettre le rapprochement dudit dôme (3) et dudit fond (5), de préférence à l'aide de sangles amovibles (7), ledit réservoir navette (2) étant alors en dite position ramassée (2A) etlesdits effluents (1) pouvant être confinés à l'intérieur dudit réservoir navette (2) lorsque ladite paroi latérale (4) est dépliée, ledit réservoir navette (2) étant alors en dite position déployée (2B).
- Procédé selon la revendication 1 ou 2, caractérisé en ce que lesdits éléments de flottabilité (31) dudit réservoir navette (2) sont intégrés à l'intérieur dudit dôme (3), lesdits éléments de flottabilité (31) consistant, de préférence, en de la mousse syntactique.
- Procédé selon la revendication 3, caractérisé en ce que lesdits éléments de flottabilité (31) sont intégrés à l'intérieur dudit dôme (3) dans sa partie supérieure, de sorte que le centre de flottabilité dudit réservoir navette (2) rempli d'effluents (1) est décalé vers le haut par rapport à son centre de gravité apparent dans l'eau.
- Procédé selon l'une des revendications 1 à 4, caractérisé en ce ledit réservoir navette (2) rempli d'effluents (1), une fois remonté en surface, est transféré par flottaison dans un navire à pont submersible (10) sans avoir à le soulever.
- Procédé selon l'une des revendications 1 à 5, caractérisé en ce que ledit réservoir navette (2) est maintenu à proximité dudit dispositif d'évacuation (61-63) des effluents à l'aide de moyens d'ancrage (121-131-141), comprenant des câbles (121) reliant des premiers points d'attaches (131) fixés sur la circonférence dudit fond (5) du réservoir navette et des seconds points d'attaches (141) sur le navire, ou le fond de la mer (7), de préférence, des treuils (142) correspondant auxdits seconds points d'attache, permettant d'ancrer ledit réservoir navette sur ledit navire (6) ou sur le fond de la mer (7).
- Procédé selon l'une des revendication 1 à 6, caractérisé en ce que ledit réservoir navette (2) comprend, de préférence au niveau de son dit fond (5), un second orifice équipé d'une seconde vanne (54).
- Procédé selon l'une des revendications 1 à 6, caractérisé en ce que ledit réservoir navette (2) comprend une poche interne (21) souple, de préférence constituée d'un filet à mailles fines, apte à confiner lesdits effluents visqueux, ladite poche comportant une ouverture apte à coopérer, par liaison réversible, avec ledit orifice principal (51) du fond (5) permettant le remplissage du réservoir navette (2).
- Procédé selon l'une des revendications 1 à 8, caractérisé en ce que ledit dispositif d'évacuation (61-63) des effluents (1) est installé à travers une ouverture (64) de la coque et/ou de la cuve (6).
- Procédé selon l'une des revendications 1 à 8, caractérisé en ce que ledit dispositif d'évacuation (61-63), coopère avec un orifice supérieur (18) d'un réceptacle (20), ledit réceptacle (20) comprenant un orifice inférieur (19) positionné à proximité et à la verticale d'au moins une ouverture (64) dans la coque et/ou cuve (6) de manière à pouvoir récupérer lesdits effluents polluants (1) s'écoulant de ladite ouverture (64) par remontée de ceux-ci dans ledit orifice inférieur (19) dudit réceptacle (20).
- Procédé selon la revendication 10, caractérisé en ce que :a) ledit réceptacle (20) présente une forme d'entonnoir dont la grande base ouverte en constitue ledit orifice inférieur (19) et couvre une zone de fuite desdits effluents, ladite zone comprenant une ou plusieurs dites ouvertures (64) dans la coque et/ou la cuve (6) du navire, et la petite base supérieure dudit entonnoir donnant accès audit orifice supérieur (18) dudit réceptacle (20) et ledit réceptacle (20) coopérant avec des moyens de positionnement comprenant :des seconds moyens d'ancrage dudit réceptacle (20) sur ledit navire ou ladite cuve (6) ou ledit fond de la mer (7) comprenant des seconds câbles (122) reliant des points d'attaches (132) fixés sur la circonférence de ladite grande base de l'entonnoir et des points d'attaches (142) sur le navire ou dite cuve (6) ou dit fond de la mer (7), etdes moyens de tensionnement (15-16-142) comprenant :des flotteurs (15-16) reliés à la circonférence de ladite grande base ouverte dudit réceptacle (20) et autour de la section tubulaire (17) en partie supérieure de ladite petite base dudit entonnoir, etde préférence, des treuils (142) correspondant aux dits points d'attaches sur ledit navire ou dite cuve (6) ou dit fond de la mer (7).
- Installation utile dans un procédé de récupération d'effluents polluants contenus dans les cuves d'un navire coulé et/ou endommagé reposant au fond de la mer selon l'une des revendications 1 à 11, caractérisée en ce qu'elle comprend un dit réservoir navette (2) tel que défini dans l'une des revendications 1 à 9 et, le cas échéant, un dit réceptacle (20) et le cas échéant, desdits moyens d'ancrage (121-131-141) et desdits moyens de positionnement (122-132-142) et dits moyens de tensionnement (142-15-16) tels que définis dans l'une des revendications 6, 10 ou 11.
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03358003A EP1449762B1 (fr) | 2003-02-21 | 2003-02-21 | Procédé et installation de récupération d'effluents en mer à l'aide d'un réservoir navette |
ES03358003T ES2250859T3 (es) | 2003-02-21 | 2003-02-21 | Procedimiento e instalacion de recuperacion de efluentes en el mar con la ayuda de un deposito de lanzadera. |
AT03358003T ATE305880T1 (de) | 2003-02-21 | 2003-02-21 | Verfahren und installation zur ausflussrückgewinnung am meer durch benutzung eines pendelreservoirs |
DE60301779T DE60301779D1 (de) | 2003-02-21 | 2003-02-21 | Verfahren und Installation zur Ausflussrückgewinnung am Meer durch Benutzung eines Pendelreservoirs |
AT03358019T ATE303940T1 (de) | 2003-02-21 | 2003-11-18 | Verfahren und installation zur ausflussrückgewinnung am meer durch benutzung eines pendelreservoirs |
ES03358019T ES2247503T3 (es) | 2003-02-21 | 2003-11-18 | Procedimiento en instalacion de recuperacion de efluentes en el mar con ayuda de un deposito lanzadera. |
DE60301543T DE60301543D1 (de) | 2003-02-21 | 2003-11-18 | Verfahren und Installation zur Ausflussrückgewinnung am Meer durch Benutzung eines Pendelreservoirs |
EP03358019A EP1449763B1 (fr) | 2003-02-21 | 2003-11-18 | Procédé et installation de récupération d'effluents en mer à l'aide d'un réservoir navette |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03358003A EP1449762B1 (fr) | 2003-02-21 | 2003-02-21 | Procédé et installation de récupération d'effluents en mer à l'aide d'un réservoir navette |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1449762A1 EP1449762A1 (fr) | 2004-08-25 |
EP1449762B1 true EP1449762B1 (fr) | 2005-10-05 |
Family
ID=32731623
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03358003A Expired - Lifetime EP1449762B1 (fr) | 2003-02-21 | 2003-02-21 | Procédé et installation de récupération d'effluents en mer à l'aide d'un réservoir navette |
EP03358019A Expired - Lifetime EP1449763B1 (fr) | 2003-02-21 | 2003-11-18 | Procédé et installation de récupération d'effluents en mer à l'aide d'un réservoir navette |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03358019A Expired - Lifetime EP1449763B1 (fr) | 2003-02-21 | 2003-11-18 | Procédé et installation de récupération d'effluents en mer à l'aide d'un réservoir navette |
Country Status (4)
Country | Link |
---|---|
EP (2) | EP1449762B1 (fr) |
AT (2) | ATE305880T1 (fr) |
DE (2) | DE60301779D1 (fr) |
ES (2) | ES2250859T3 (fr) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2852917B1 (fr) | 2003-03-26 | 2005-06-24 | Saipem Sa | Receptacle a compartiments etanches et procede de mise en place pour recuperer des effluents polluants d'une epave |
ES2275380A1 (es) * | 2004-10-04 | 2007-06-01 | Richard J. Lazes | Colector submarino de petroleo. |
FR2878226B1 (fr) | 2004-11-25 | 2007-04-13 | Jean Claude Massal | Procede et dispositif de recuperation de fluide contenu dans une cuve immergee |
FR2913228B1 (fr) * | 2007-03-02 | 2009-05-29 | Saipem S A Sa | Dispositif de decoupe et ouverture/fermeture d'un orifice dans une paroi au fond de la mer |
GB2480093A (en) * | 2010-05-06 | 2011-11-09 | Acergy France Sa | Recovering fluid from a spilling undersea well |
BRPI1002594B1 (pt) * | 2010-05-14 | 2022-01-04 | Engenhoca 18 Administração De Patentes Ltda | Dispositivo coletor de vazamento de óleo |
DE102010026425B4 (de) * | 2010-07-07 | 2013-03-28 | Case Compounds B.V. | Verfahren zum Abdichten von Leckagen an medienführenden Konstruktionen |
GB2511716A (en) * | 2011-07-08 | 2014-09-17 | Michael Lawson | A sleeve for collecting contaminants |
EP3155213A1 (fr) * | 2014-06-16 | 2017-04-19 | Total SA | Système de confinement et procédé d'utilisation |
GB2591117B (en) * | 2020-01-16 | 2022-11-23 | Hick Douglas | Undersea oil or gas leak mitigation device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3561220A (en) * | 1969-03-26 | 1971-02-09 | Chester George Riester | Method and apparatus for containing well pollutants |
US4358218A (en) * | 1979-12-17 | 1982-11-09 | Texaco Inc. | Apparatus for confining the effluent of an offshore uncontrolled well |
NO801409L (no) * | 1979-12-20 | 1981-06-22 | Chicago Bridge & Iron Co | Fremgangsmaate og innretning for oppsamling av olje og gass som stroemmer ut ukontrollert fra en offshore-broenn |
NO991282D0 (no) * | 1999-03-17 | 1999-03-17 | Bj Rn Grinde | FremgangsmÕte og anordning for oppsamling av olje fra utslipp under vann |
FR2804935B1 (fr) | 2000-02-11 | 2002-06-07 | Bouygues Offshore | Procede et installation de recuperation d'effluents en mer |
-
2003
- 2003-02-21 DE DE60301779T patent/DE60301779D1/de not_active Expired - Lifetime
- 2003-02-21 AT AT03358003T patent/ATE305880T1/de not_active IP Right Cessation
- 2003-02-21 EP EP03358003A patent/EP1449762B1/fr not_active Expired - Lifetime
- 2003-02-21 ES ES03358003T patent/ES2250859T3/es not_active Expired - Lifetime
- 2003-11-18 AT AT03358019T patent/ATE303940T1/de not_active IP Right Cessation
- 2003-11-18 ES ES03358019T patent/ES2247503T3/es not_active Expired - Lifetime
- 2003-11-18 DE DE60301543T patent/DE60301543D1/de not_active Expired - Lifetime
- 2003-11-18 EP EP03358019A patent/EP1449763B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2250859T3 (es) | 2006-04-16 |
DE60301779D1 (de) | 2005-11-10 |
EP1449763A1 (fr) | 2004-08-25 |
ATE305880T1 (de) | 2005-10-15 |
EP1449762A1 (fr) | 2004-08-25 |
DE60301543D1 (de) | 2005-10-13 |
ATE303940T1 (de) | 2005-09-15 |
EP1449763B1 (fr) | 2005-09-07 |
ES2247503T3 (es) | 2006-03-01 |
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