WO2014008907A1 - Procédé pour installer un dispositif en mer sur le fond marin ainsi que dispositif en mer - Google Patents

Procédé pour installer un dispositif en mer sur le fond marin ainsi que dispositif en mer Download PDF

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Publication number
WO2014008907A1
WO2014008907A1 PCT/EP2012/002955 EP2012002955W WO2014008907A1 WO 2014008907 A1 WO2014008907 A1 WO 2014008907A1 EP 2012002955 W EP2012002955 W EP 2012002955W WO 2014008907 A1 WO2014008907 A1 WO 2014008907A1
Authority
WO
WIPO (PCT)
Prior art keywords
offshore arrangement
offshore
float
movable
arrangement
Prior art date
Application number
PCT/EP2012/002955
Other languages
German (de)
English (en)
Inventor
Alan Smith
Original Assignee
Overdick Gmbh & Co. Kg
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 Overdick Gmbh & Co. Kg filed Critical Overdick Gmbh & Co. Kg
Priority to MYPI2015700074A priority Critical patent/MY180987A/en
Priority to PCT/EP2012/002955 priority patent/WO2014008907A1/fr
Publication of WO2014008907A1 publication Critical patent/WO2014008907A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/02—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto
    • E02B17/027—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor placed by lowering the supporting construction to the bottom, e.g. with subsequent fixing thereto steel structures
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B2017/0039—Methods for placing the offshore structure
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B2017/0039—Methods for placing the offshore structure
    • E02B2017/0047—Methods for placing the offshore structure using a barge
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B2017/0056—Platforms with supporting legs
    • E02B2017/006—Platforms with supporting legs with lattice style supporting legs
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B2017/0056—Platforms with supporting legs
    • E02B2017/0073—Details of sea bottom engaging footing
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B2017/0056—Platforms with supporting legs
    • E02B2017/0073—Details of sea bottom engaging footing
    • E02B2017/0078—Suction piles, suction cans

Definitions

  • the invention relates to a method for installing an offshore arrangement on the seabed and an offshore installation for installation on the seabed, wherein the offshore arrangement comprises a support structure, at one end of which support means for supporting an overwater structure are provided and at the other end Foundation means for establishing the offshore arrangement are provided on the seabed.
  • Thetechnologyenvasser founded may for example be a platform, in particular an oil or gas drilling platform.
  • WO 2008/030689 A2 discloses a method for installing an offshore arrangement, in which the offshore arrangement is towed horizontally to the installation site. This simplifies the transport of the offshore arrangement to the installation site.
  • massive ballast body attached to the end of a supporting structure of the offshore arrangement, so that this end sinks under water and the
  • Pillars of the support structure are flooded with water to set a defined sinking depth of the offshore arrangement.
  • the installation of the offshore arrangement is simplified in the known method, since this no heavy equipment is required, the erection of the offshore arrangement on the other hand, in particular due to the massive ballast body to be mounted consuming and less flexible.
  • the present invention seeks to provide a method and an offshore arrangement of the type mentioned, wherein the installation of the offshore arrangement is simpler and more flexible, and wherein the offshore arrangement particularly suitable for shallow water has.
  • the invention achieves the object on the one hand by a method for installing an offshore arrangement on the seabed, wherein the offshore arrangement has a support structure, at one end of which support means for supporting an overwater structure are provided and at the other end of which foundation means for establishing the offshore structure are provided.
  • the foundation means comprise at least one floatable float and wherein at least one movable along the support structure and floatable floats is provided, the method comprising the following steps: the offshore arrangement is horizontally floating floating to the installation site and or pushed, wherein the floatable floats provide the buoyancy of the offshore arrangement, at the installation of the floating body of the foundation means is at least partially flooded, so that the offshore Anord- straightening under sinking of the foundation means, wherein the movable float moves along the support structure in the direction of the support means until the offshore arrangement is fully erect and is at least held by the movable float floating above the seabed, if necessary, a final alignment of the floating Offshore arrangement at the installation site, then, if not previously done, the float of the foundation means completely flooded, the offshore arrangement sinks down to the seabed, and the movable float is completely flooded, with the movable float for a permanent whereabouts moved into an end position near the
  • an offshore installation for installation on the seabed comprising a support structure, at one end of the support means are provided for supporting an overwater structure and at the other end of the foundation means for establishing the offshore arrangement are provided on the seabed, characterized in that the foundation means comprise at least one floodable body of vibration, that at least one floating body which is movable along the support structure and flooded is provided, that the floodable floats are adapted to float the offshore arrangement during a horizontal floating transport to the installation site to provide, and that the floating body of the foundation means are further adapted to erect by at least partial flooding the offshore arrangement with the sinking of the foundation means, wherein the movable floating body is adapted to sic h thereby to move along the support structure in the direction of the support means until the offshore arrangement is completely erect and is at least held by the movable float floating above the seabed and by complete flooding Floodable floating body sinks to the seabed, wherein the movable floating body is designed for permanent retention in the fully
  • the entire offshore arrangement according to the invention can already be mounted or built on land, preferably in a dock, in particular a so-called dry dock with a low to normal depth
  • the overwater structure to be mounted on the offshore arrangement according to the invention may, for example, be a platform such as a gas or oil rig, but other overwater structures are also possible
  • the offshore arrangement according to the invention has at least two empty pumped during the transport of the offshore arrangement to the installation site and the necessary buoyancy for floating the offshore -Anord tion providing floating body. At the installation site, these can be flooded in a targeted and flexible manner. In this way, an automatic erection of the offshore arrangement is made possible in a simple manner. Separately to be attached ballast body are not required.
  • one of the floating bodies can be moved, in particular displaceable, along the support structure, that is to say in particular in the longitudinal direction of the support structure, in a defined region between the suspension elements and the foundation means.
  • the movable float moves in particular driven by buoyancy or gravity along the support structure, depending on the level of the float. Separate drives for moving the movable float are not required.
  • the movable floating body ensures safe and defined erection of the offshore arrangement and a floating holding the erected offshore arrangement at a defined distance above the seabed. By suitable adjustment of the end positions of the movable floating body, the height of the offshore arrangement above the seabed can be adapted specifically to the respective conditions at the installation site.
  • the support structure may in principle comprise complete means for docking boats or at least one suspension structure for such means.
  • the support structure may already include all the risers necessary for the installation and operation of the offshore arrangement (for example, "bailast and suction pump lines”, “grout lines”, “import and export risers”, “conductor guides”).
  • the foundation means a secure foundation of the offshore arrangement on the seabed.
  • the foundation means may comprise, according to a particularly practical embodiment, at least one suction cup, which in the course of the complete flooding of the float gravitationally sinks partially into the seabed and is then driven by generating a negative pressure in the suction cup to establish the offshore arrangement further into the seabed.
  • the foundation is possible with such suction cups in a particularly simple manner.
  • the suction cup has at least one pressure chamber, which can be acted upon by applying a suitable vacuum pump with a negative pressure. As a result, the suction cup is sucked into the seabed. After the foundation, the vacuum pump can be decoupled remotely and brought to the surface.
  • the suction cup can serve as a temporary foundation based, for example, on the Em-year storm condition at the installation site.
  • the suction cup can be divided into several, for example, four, pressure chambers, each with its own vacuum line. In this way it is possible to optimally vertically align the offshore arrangement by suitable evacuation of the individual pressure chambers. As far as pipes are passed through the suction cup, appropriate ring seals can be provided at the entry point. In certain cases, the permanent foundation of the offshore arrangement can be provided by the suction cup. Of course, it is also possible to provide several such suction cups.
  • the support means may also comprise at least one float, which provides the buoyancy of the offshore arrangement during transport of the offshore arrangement to the installation site together with the float of the foundation means and the movable float.
  • the floating body of the support means can basically also be flooded.
  • the support structure of the offshore arrangement according to the invention may be a truss grid structure, in particular a tubular truss grid structure. In this embodiment, therefore, no closed towers with floating or ballast cells are provided in the support structure itself.
  • the truss structure may be a tri-or quadruple structure.
  • the truss structure itself may also possess or provide buoyancy. It may have guide means for the conductors or risers.
  • the risers may also comprise grouting line support means, hydraulic means for controlling the floats or hydraulic means for vacuum pumps of the foundation means.
  • the risers can be pre-installed ashore.
  • the risers may be buoyant or flooded, for example, to influence, for example, the angle of the floating and horizontally transported offshore arrangement.
  • the truss structure also provides a guide for the movable float when it is lowered, for example, during installation of the offshore arrangement.
  • the movable floating body can be moved by means of sliding or roller bearings along longitudinally extending between the foundation means and the support means lattice legs of the support structure. In particular, therefore, a guide along the main legs of the truss structure takes place.
  • the movable float may move in the course of installation of the offshore arrangement driven by buoyancy force or gravity along the support structure.
  • stop means upper and / or lower end positions can be specified for the movable float.
  • the stop means are in particular attached to the support structure, for example to legs of the support structure.
  • the stop means may be displaceable along the support structure according to a further related embodiment.
  • the movable floating body during transport of the offshore arrangement for Installation are secured by means of securing means against displacement along the support structure.
  • the stop means can be set in a flexible manner, for example, an upper end point of the mobility of the movable float, which in turn can be set the height of the erected offshore arrangement above the seabed before the foundation.
  • suitable drives can be provided. But it is also possible to make the move manually, in adaptation to the particular circumstances of each installation site.
  • the movable float is secured in a suitable for the horizontal transport of the offshore arrangement swimming position, so that an undesirable displacement of the movable float is excluded during the transport of the offshore arrangement.
  • the securing means may comprise, for example, chain tensioners and lids.
  • the movable floating body is a temporary object used for the transport and installation of the offshore arrangement, which is used in particular for erecting and vertically holding the offshore arrangement before its foundation. It may be a lightweight construction which, after erecting the offshore arrangement, is flooded by, for example, surface-operable valves, for example hydraulic valves, and lowered to a lower abutment surface. On the support structure and / or the movable SchissemmmMech suitable damping means may be provided to prevent damage to the floating body or the support structure when moving the float. In fact, all floatable floats can be flooded by, for example, surface-operable valves, such as hydraulic valves.
  • bores can be introduced into the seabed, starting from the suspension elements, through guide tubes integrated at least in the foundation means.
  • a space formed in each case in the wall of the guide tubes can be filled with a hardening filling material, in particular with a grout material, for a final foundation
  • the guide tubes can protrude into the seabed in the installed state of the offshore arrangement and a suitable drilling device ("drilling rig") is used to drill in the holes.
  • the subsequent filling of the interstices can also be performed by the drilling device or by a separate device, for example from a separate watercraft. It is also possible to anchor the offshore arrangement in addition to a foundation by a suction cup temporarily on the seabed, if a final foundation by Grouting for a longer period is not possible.
  • a central portion of the support means can be removed prior to the introduction of the bores and a boring device for introducing the bores from the side into the position of the removed central portion are placed on the support means.
  • the support means can have this removable side and possibly also upper walls or ceilings.
  • the support means thus form after removal of the central portion at the same time a working plane and guidance for the drilling device.
  • the removed central portion alone or in combination with the remaining portions may also provide the buoyancy of the suspension means.
  • the size of the suspension depends on the depth of the water at the installation site and contributes overall to the buoyancy of the offshore arrangement.
  • the remote central portion of the support means may in particular be lighter than the remaining portion.
  • the remaining one Section may have a U-shape in cross section, so that the bounded by the two legs of the U-shape lower portion forms the working plane for the drilling device.
  • guide tubes for the bores can also be installed in the support structure.
  • An optionally required sump vessel for the platform can also be integrated into the support structure.
  • the support structure has suitable attachment means for securing the overwater structure.
  • the overwater structure can be arranged on the support means at the installation site.
  • the offshore arrangement is initially transported to the installation site without the overwater structure, and the overwater structure is only placed at the installation site on the then usually already established offshore arrangement.
  • the overwater structure after the introduction of the holes and possibly the removal of the drilling device instead of the remote central portion of the support means can be placed on the support means.
  • the drilling device can also be used for the installation of the overwater structure. But it is also possible to install the Kochigan Discuss at a later date, when the drilling device is already removed. If the drilling device is used to install the overwater structure, the Sprintstnjktur example, be pushed over suitable rails on the support means and fixed there.
  • the installation of the overwater structure only at the installation site of the offshore arrangement has the advantage that the offshore arrangement can be transported lying horizontally in the water.
  • the offshore arrangement can therefore be drawn horizontally floating to the installation site and / or pushed so that both the support means and the foundation means are partially below sea level.
  • the overwater structure can already be arranged on the support means before the transport of the offshore arrangement to the installation, wherein the offshore arrangement is floating and lying pushed to the installation site and / or pushed so that the surface structure is always above water.
  • this embodiment has the advantage that the overwater structure can already be preassembled onshore on the offshore arrangement. Elaborate measures to install the overwater structure at the installation so eliminated.
  • This embodiment is particularly suitable for very small overwater structures. If larger overwater structures are to be preassembled on land already, the overwater structure can rest during transport to the installation site, for example on a floating pontoon, so that it is ensured that the overwater structure is kept above the sea level.
  • the overwater structures for the offshore arrangement according to the invention can vary with respect to their size and their weight depending on the respective requirements.
  • the invention is particularly suitable for relatively small overwater structures weighing less than 600 tons.
  • smaller oil or gas well platforms than overwater structures may have a weight in the range of 300 to 350 tons.
  • Larger overwater structures, such as larger oil or gas rigs with integrated water injectors, can weigh over 500 tons.
  • the inventive method is particularly suitable for the installation of offshore arrangements in areas with a relatively small water depth of less than 100 m, for example in a range of 40 to 80 m.
  • the device according to the invention is suitable for carrying out the method according to the invention. Accordingly, the method according to the invention can be carried out with the device according to the invention.
  • FIGS. show schematically:
  • FIG. 1 shows an inventive offshore arrangement in a first operating state in a side view according to a first embodiment
  • FIG. 2 shows the offshore arrangement from FIG. 1 in a second operating state
  • FIG. 3 shows the offshore arrangement from FIG. 1 in a third operating state
  • FIG. 4 shows the offshore arrangement from FIG. 1 in a fourth operating state
  • FIG. 5 shows the offshore arrangement from FIG. 1 in a fifth operating state
  • FIG. 6 shows the offshore arrangement from FIG. 1 in a sixth operating state
  • FIG. 7 shows the offshore arrangement from FIG. 1 in a seventh operating state
  • FIG. 8 shows the offshore arrangement from FIG. 1 in an eighth operating state, FIG.
  • FIG. 9 shows the offshore arrangement from FIG. 1 in a ninth operating state
  • FIG. 10 shows the illustration from FIG. 9 in a perspective view
  • FIG. 10 shows the illustration from FIG. 9 in a perspective view
  • FIG. 11 shows an inventive offshore arrangement in a first operating state in a side view according to a second exemplary embodiment.
  • the reference numeral 10 schematically shows the seabed on which the offshore arrangement shown in the figures is to be installed.
  • the sea level is shown schematically in the figures.
  • Fig. 1 is horizontally lying and floating on the sea surface, an inventive offshore arrangement shown, which has in particular a jacket structure.
  • the offshore arrangement comprises a truss-like support structure 14, which has a plurality of tubular legs 16 running in the longitudinal direction of the support structure 14, in the example shown four.
  • support means 18 At the left in Fig. 1 end of the support structure 14 are support means 18 for supporting an unillustrated in Fig. 1 surface structure, such as a platform, such as an oil or gas drilling platform, are provided.
  • foundation means 20 are arranged for establishing the offshore arrangement on the seabed 10.
  • the foundation means 20 comprise a suction cup 22 and a floatable float 24.
  • floatable float 24 For example by means of sliding or roller bearings along the main legs 16 of the supporting structure movably mounted floatable float 26 shown.
  • the movable floating body 26 is secured by means of suitable securing means in the floating position shown in Fig. 1 on the support structure 14 against displacement.
  • the support means 18 together with the movable floating body 26 and the float 24 of the foundation means 20 sufficient buoyancy for the offshore Arrangement available so that it floats in the horizontally lying state shown in Fig. 1 on the sea surface 12.
  • the extent onshore or lying in a dock pre-assembled offshore arrangement can be transported to an installation site at sea, pushed or pulled in particular by means of suitable tractors or similar vessels.
  • the offshore arrangement can be easily launched from land, for example by means of suitable cranes.
  • the Schwirnrn oder 24, 26 and the support means 18 are designed so that the offshore arrangement floats lying substantially horizontally on the water.
  • the immersion depth of the offshore arrangement can be precisely adjusted by suitable choice or by suitable flooding of the floating body.
  • the float 24 of the foundation means 20 is first flooded, so that the foundation means 20 begin to sink below the sea level 12, wherein the offshore arrangement rises slowly, as shown in Figs. 2 to 4.
  • the flooding of the floating body 24 of the foundation means 20, and incidentally also of the movable floating body 26, can take place by means of, for example, remotely operated hydraulic valves.
  • the securing means of the movable float 26 are solved, for example, also remotely operated. Since the floating body 26 is not yet flooded at this time, it is displaced by the buoyancy force along the righting support structure 14 in the direction of the support means 18, as can also be seen in Figures 2 to 4.
  • the fully erected state of the offshore arrangement is shown in FIG.
  • the movable float 26 abuts against an upper stop on the support structure 14, whereby the offshore arrangement is kept floating in the state shown in Fig. 5 in a defined height above the seabed 10.
  • the offshore assembly can be finally aligned for foundation, for example by suitable tractors.
  • the final alignment of the offshore arrangement can also take place before the start of erection, that is to say in the state shown in FIG.
  • After reaching the final position of the float 24 of the foundation means 20 is completely flooded, whereby the offshore arrangement with the suction cup 22 by gravity sinks into the seabed 10, as shown in Fig. 6.
  • the movable floating body 26 is flooded, whereby this gravitationally descends along the main legs 16 of the support structure 14 down to a stop formed by the foundation means 20, as shown in Fig. 7. In this lowered state, the movable float 26 remains permanently.
  • a vacuum is applied to the suction cup 22 by means of a vacuum pump, not shown.
  • the suction cup 22 may in particular have a plurality of vacuum chambers, which may optionally be applied independently of each other with negative pressure.
  • the application of the negative pressure leads to a driving of the suction cup 22 in the seabed 10.
  • the suction cup 22 sucks automatically into the seabed 10 a.
  • the offshore arrangement is at least temporarily established on the seabed 10.
  • a central section 28 of the suspension elements 18 has been removed from the suspension elements 18.
  • This remote central portion 28 may be, for example, a portion 28 that has contributed significantly to buoyancy.
  • Drilling 34 may later deliver oil or gas, for example
  • the reference number 32 shows the valve crosses placed after the introduction of the bores 34 and the installation of the conductors (so-called “X-mas trees” with “Bi ° w-Out-Preventer BOP").
  • an overwater structure 36 is arranged on the carrying means 18, as can be seen in FIG.
  • the overwater structure 36 may be, for example, an oil or gas drilling platform 36.
  • the valve crosses 32 remain on the support means 18. The offshore arrangement is now ready for operation.
  • a second exemplary embodiment of the invention is shown.
  • an inventive offshore arrangement is shown in an operating condition that corresponds to the operating state of FIG.
  • an overwater structure 36 ' has already been arranged on land on the support means 18.
  • the offshore arrangement is located during transport on a floating pontoon shown schematically at 38 in FIG. The installation of the offshore arrangement, in particular the erection and reasons, can then take place as explained above for the first exemplary embodiment.
  • the inventive offshore arrangement and its installation are particularly simple and therefore inexpensive. Elaborate heavy equipment at the installation site is not required because the offshore arrangement is largely self-installing and self-starting. It has a comparatively low weight and can be used at the same time for a variety of applications. It is particularly suitable for relatively small Matterwasserstirikturen with a weight of less than 600 tons and for relatively small water depths of less than 100 m, especially in a range of 40 to 80 m.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Revetment (AREA)

Abstract

L'invention concerne un procédé pour installer un dispositif en mer sur le fond marin (10), le dispositif en mer présentant une structure support (14), dotée en l'une extrémité de moyens de support (18) pour supporter une structure hors eau (36, 36') et en l'autre extrémité de moyens de fondation (20) pour fixer le dispositif en mer sur le fond marin, les moyens de fondation présentant au moins un flotteur (24) pouvant être noyé. Au moins un flotteur (26) est disposé, de manière mobile, le long de la structure support et peut également être noyé. Le procédé comporte les étapes suivantes : le dispositif en mer est tiré et/ou déplacé en étant couché et en flottant jusqu'au site d'installation, les flotteurs pouvant être noyés assurant la flottabilité du dispositif en mer; au site d'installation, le flotteur des moyens de fondation est noyé au moins partiellement de manière telle que le dispositif en mer se redresse et que les moyens de fondation s'enfoncent, le flotteur mobile le long de la structure support se déplaçant dans le sens vers les moyens de support jusqu'à ce que le dispositif en mer soit complètement redressé et maintenu en flottaison au moins par les flotteurs mobiles au-dessus du fond marin; si nécessaire, alignement final du dispositif en mer flottant au site d'installation ; ensuite, si cela n'a pas encore eu lieu, noyage complet du flotteur des moyens de fondation, le dispositif en mer s'enfonçant jusqu'à sur le fond marin et le flotteur mobile est complètement noyé, le flotteur mobile se déplaçant, pour un séjour durable dans une position finale proche du flotteur également noyé des moyens de fondation et fixation du dispositif en mer au moyen des moyens de fondation sur le fond marin. L'invention concerne en outre un dispositif en mer.
PCT/EP2012/002955 2012-07-13 2012-07-13 Procédé pour installer un dispositif en mer sur le fond marin ainsi que dispositif en mer WO2014008907A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
MYPI2015700074A MY180987A (en) 2012-07-13 2012-07-13 Method for installing an offshore arrangement on the seabed and offshore arrangement
PCT/EP2012/002955 WO2014008907A1 (fr) 2012-07-13 2012-07-13 Procédé pour installer un dispositif en mer sur le fond marin ainsi que dispositif en mer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2012/002955 WO2014008907A1 (fr) 2012-07-13 2012-07-13 Procédé pour installer un dispositif en mer sur le fond marin ainsi que dispositif en mer

Publications (1)

Publication Number Publication Date
WO2014008907A1 true WO2014008907A1 (fr) 2014-01-16

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PCT/EP2012/002955 WO2014008907A1 (fr) 2012-07-13 2012-07-13 Procédé pour installer un dispositif en mer sur le fond marin ainsi que dispositif en mer

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2946198A (en) * 1955-12-20 1960-07-26 Jersey Prod Res Co Method of compacting soil for conducting offshore operations
GB2241011A (en) * 1990-02-15 1991-08-21 James William Bunce Offshore platform system
WO1999051821A1 (fr) 1998-04-02 1999-10-14 Suction Pile Technology B.V. Structure marine
WO2008030689A2 (fr) 2006-09-05 2008-03-13 Agr Deepwater Development Systems, Inc. Procédé de construction d'une structure de forage/production en mer flottante

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2946198A (en) * 1955-12-20 1960-07-26 Jersey Prod Res Co Method of compacting soil for conducting offshore operations
GB2241011A (en) * 1990-02-15 1991-08-21 James William Bunce Offshore platform system
WO1999051821A1 (fr) 1998-04-02 1999-10-14 Suction Pile Technology B.V. Structure marine
WO2008030689A2 (fr) 2006-09-05 2008-03-13 Agr Deepwater Development Systems, Inc. Procédé de construction d'une structure de forage/production en mer flottante

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