EP2559614A2 - Récipient et procédé pour la suppression et/ou l'installation d'au moins une partie d'une plate-forme en mer - Google Patents

Récipient et procédé pour la suppression et/ou l'installation d'au moins une partie d'une plate-forme en mer Download PDF

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Publication number
EP2559614A2
EP2559614A2 EP20120179898 EP12179898A EP2559614A2 EP 2559614 A2 EP2559614 A2 EP 2559614A2 EP 20120179898 EP20120179898 EP 20120179898 EP 12179898 A EP12179898 A EP 12179898A EP 2559614 A2 EP2559614 A2 EP 2559614A2
Authority
EP
European Patent Office
Prior art keywords
support
vessel
support arms
top side
hull
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
EP20120179898
Other languages
German (de)
English (en)
Other versions
EP2559614B1 (fr
EP2559614A3 (fr
Inventor
Pim Joris Meeuws
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.)
Heerema Marine Contractors Nederland SE
Original Assignee
Heerema Marine Contractors Nederland BV
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 Heerema Marine Contractors Nederland BV filed Critical Heerema Marine Contractors Nederland BV
Publication of EP2559614A2 publication Critical patent/EP2559614A2/fr
Publication of EP2559614A3 publication Critical patent/EP2559614A3/fr
Application granted granted Critical
Publication of EP2559614B1 publication Critical patent/EP2559614B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/003—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting very large loads, e.g. offshore structure modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B75/00—Building or assembling floating offshore structures, e.g. semi-submersible platforms, SPAR platforms or wind turbine platforms

Definitions

  • the invention relates to a vessel for removal and/or installation of at least a part of a sea platform comprising a support structure and a top side.
  • Said vessel for removal and/or installation of at least a part of a sea platform comprising a support structure and a top side comprises a hull and two support arms located at a distance from each other and attached to the hull, wherein the support arms in use extend beyond the hull in a substantially horizontal direction.
  • the support structure may for example comprise a frame work or one or more support legs.
  • the top side may for example comprise equipment for exploitation of oil and/or gas from the seabed or a wind turbine for producing electricity.
  • the support arms are constructed and arranged to in use fully support said at least one part of the sea platform.
  • the support arms extend over a distance between 10 and 100 m beyond the hull.
  • the support arms may extend over a distance of more than 20 m beyond the hull
  • the support arms extend along the hull over a distance between 10 and 100 % of the length of the hull.
  • the support arms may extend along the hull over a distance between 25 - 75% of the length of the hull.
  • the distance between the support arms is between 10 and 100 m.
  • the support arms are located above the water surface when carrying said at least one part of the sea platform.
  • the support arms may extend substantially parallel to each other.
  • the vessel comprises a roll axis and the support arms may extend substantially parallel to the roll axis.
  • the support arms are movable relative to the hull.
  • the support arms are movable relative to each other.
  • the support arms are movable in a direction transverse to the roll axis.
  • the support arms are movable in a direction perpendicular to the roll axis.
  • the support arms are movable along a support trajectory.
  • the support trajectory extends transverse to the roll axis.
  • the support trajectory extends perpendicular to the roll axis.
  • the vessel comprises a support rail and the support arms are moveable along the support rail.
  • the support rail extends transverse to the roll axis.
  • the support rail extends perpendicular to the roll axis.
  • the support rail defines the support trajectory.
  • the vessel comprises an arm driving system constructed and arranged to move the support arms relative to the hull.
  • the arm driving system moves the support arms along the support trajectory.
  • the arm driving system moves the support arms along the support rails.
  • the vessel comprises an arm fixating system constructed and arranged to fixate the support arms relative to the hull.
  • the support arms are movable from a distance of 10 m between the support arms to a distance of 100 m between the support arms, and vice versa.
  • the vessel comprises at least one docking unit.
  • At least one docking unit is attached to the support arms.
  • At least one docking unit is attached to the inner arm surfaces of the support arms.
  • At least one docking unit is attached to the hull.
  • At least one docking unit is attached to the first hull side.
  • the vessel according the invention may comprise any feature or combination of features as defined in the claims.
  • the invention further relates to a method for removing at least a part of a sea platform comprising a support structure and a top side, which method comprises;
  • the invention further relates to a method for removing at least part of a sea platform comprising a support structure and a top side, which method comprises;
  • the invention further relates to a method for installing at least a part of a sea platform comprising a support structure and a top side, which method comprises;
  • the invention further relates to a method for installing at least a part of a sea platform comprising a support structure and top side, which method comprises;
  • the method comprises moving the support arms relative to the hull.
  • the method comprises moving the support arms relative to each other.
  • the method comprises moving the support arms towards each other.
  • the method comprises moving the support arms away from each other.
  • the method comprises moving the support arms in a direction transverse to the roll axis.
  • the method comprises moving the support arms in a direction perpendicular to the roll axis.
  • the method comprises moving the support arms along the support trajectory.
  • the method comprises moving the support arms along the support rail.
  • the method comprises moving the support arms to match the dimensions of the top side which in use will be supported.
  • the method comprises moving the support arms to match the dimensions of the support structure which in use will be supported.
  • the method comprises fixating the support arms relative to the hull in a support position.
  • the method comprises docking the vessel at the support structure via the at least one docking unit.
  • the method comprises moving the support arms relative to the hull after the docking of the vessel.
  • the method comprises fixating the support arms relative to the hull after the docking of the vessel.
  • the method comprises moving said at least one part supported by the support arms along said support arms.
  • the method comprises moving said at least one part supported by the support arms along the deck of the vessel.
  • the method comprises moving said at least one part supported by the support arms in the direction of the roll axis of the vessel.
  • the method comprises moving said at least one part carried by the hoisting system along said support arms with the driving system.
  • the method comprises moving said at least one part carried by the hoisting system along the rails.
  • the method comprises moving the hoist members along the support arms with the driving system while carrying the said at least one part.
  • the method comprises placing said at least one part carried by the hoisting system on the deck of the vessel.
  • the method comprises transferring said at least one part from the vessel onto a quay by positioning the second hull side adjacent to the quay and moving said at least one part from the vessel to the quay while moving over the second hull side.
  • the method comprises transferring said at least one part from a quay onto the vessel by positioning the second hull side adjacent to the quay and moving said at least one part from the quay to the vessel while moving over the second hull side.
  • the method according the invention may comprise any feature or combination of features as defined in the claims.
  • the figures 1-3 show an embodiment of the vessel which is used for removal and/or installation of at least one part of a sea platform 2 comprising a support structure 4 and a top side 5.
  • the vessel 1 comprises a hull 6 and two support arms 11, 12.
  • the support arms 11, 12 are located at a distance from each other and attached to the hull 6.
  • the support arms 11, 12 in use extend beyond the hull 6 in a substantially horizontal direction.
  • the support arm 11, 12 are constructed and arranged to in use fully support said at least one part 4, 5 of the sea platform 2.
  • Arrow 26 indicates a horizontal direction and arrow 27 indicates a vertical direction.
  • the support arms 11, 12 extend over a distance L2 of around 50 meters beyond the hull 6. In other examples, the support arms 11, 12 can extend between 10 and 100 m beyond the hull 6.
  • the support arms 11, 12 extend along the hull 6 over a distance L3 of around 40% of the length of the hull 6. In an alternative embodiment, the support arms 11, 12 can extend between 10 and 100 % of the length of the hull 6.
  • the total length of the support arms 11, 12 is L1.
  • the part of the support arms 11, 12 extending beyond the hull 6 forms the outboard extending part 33.
  • the length of the outboard extending part 33 of the support arms 11, 12 is L2.
  • the part of the support arms 11, 12 extending along the hull 6 forms the inboard extending part 34.
  • the length of the inboard extending part 34 of support arms 11, 12 is length L3.
  • the support arms 11, 12 comprise an outer arm surface 13, inner arm surface 14, upper arm surface 15 and lower arm surface 16.
  • the distance D1 between the outer arm surfaces 13 of the support arms 11, 12 is around 80 meters. In an alternative embodiment, the distance D1 can be between 10 and 100 m. The distance D1 may be smaller or equal to 77,5 meter.
  • the distance D2 between the inner surfaces 14 of the support arms 11, 12 is around 75 meters. In an alternative embodiment, the distance D1 can be between 10 and 100 m.
  • the support arms 11, 12 extend substantially parallel to each other.
  • the support arms 11, 12 are located above the water surface when carrying said at least one part 4, 5 of the sea platform 2.
  • the vessel 1 comprises a roll axis 8, a yaw axis 9 and a pitch axis 10.
  • the support arms 11, 12 extend substantially parallel to the roll axis 9.
  • the support arms 11, 12 comprise a first arm end 17 located outboard and a second arm end 18 located inboard.
  • the vessel 1 comprises a deck 20.
  • An inclined surface 28 is located at the second arm end 18 of the support arms 11, 12 .
  • the inclined surface 28 extends from the upper arm surface 15 to the deck 20.
  • the hull 6 comprises a first hull side 21, a second hull side 22, a third hull side 23 and a fourth hull side 24.
  • the support arms 11, 12 extend from the first hull side 21.
  • Support units 52 are attached to the support arms 11, 12.
  • the support units 52 are coupled to rails 51 provided on the support arms 11, 12. Additional support units 52 can be attached to the hull 6.
  • the support units 52 comprise a support surface 19 on which said at least one part 4, 5 of the sea platform 2 is placed. This means that the support units 52 form the support surface 19 on which said at least one part 4, 5 of the sea platform 2 is placed when carried by the support arms 11, 12.
  • the support units 52 are movable along the rails 51. This allows that the support units 52 are moved in positions that suit the part the be supported.
  • the support units 52 are actively movable. This way a driving system 31 constructed and arranged to in use move said at least one part 4, 5 along the support arms 11, 12 is provided.
  • the support units 52 are moveable in the direction of the roll axis 8. In alternative embodiments, the support units 52 are attached to the support arms 11, 12 in a fixed position.
  • the support surface 19 is located at a distance H1 from the bottom 25 of the hull 6. In the embodiment shown, H1 is around 30 m. In alternative embodiments, H1 can be between 10 and 60 m. The support surface 19 is located at a distance H2 from the deck 20. In the embodiment shown, H2 is around 15 m. In alternative embodiments, H2 can be between 5 and 30 m.
  • the vessel 1 comprises a ballast system 54 constructed and arranged to lower and raise the vessel 1 relative to the water surface 7.
  • sea water is taken in by the ballast system 54 and stored in ballast tanks 60.
  • the sea water is released from the ballast system 54.
  • Several outflow openings 55 are provided to rapidly discharge the water held in the ballast tanks 60.
  • the ballast tanks 60 are located above the water surface 7. This allows the use of gravity for rapidly discharging the sea water from the ballast system 54.
  • the outflow openings 55 are also located above the water surface 7 in order to facilitate the rapid removal of sea water from the ballast system 54.
  • the support surface 19 is in use located between the water surface 7 and 50 m above the water surface 7.
  • the ballast tanks 60 are located below the water surface 7.
  • the outflow openings 55 may also be located below the water surface 7.
  • the hull 6 comprises a first hull side 21 and an opposite second hull side 22.
  • the support arms 11, 12 extend beyond the hull 6 from the first hull side 21 and the width W2 of the hull 6 at the second hull side 22 is smaller than the width W1 of the hull 6 at the first hull side 21.
  • the hull 6 comprises said smaller width W2 over a distance of around 40 % of the length of the hull 6.
  • the said width W2 extends over a distance of between 20 and 60 % of the length of the hull 6.
  • the width W2 of the second hull side 22 can be between 20 and 70 m.
  • the width W1 of the first hull side 21 can be between 40 and 100 m.
  • the vessel 1 comprises a propulsion system 53. More specifically, the embodiment shown comprises a dynamic positioning system which is used for propulsion. In alternative embodiments, the vessel 1 can comprise any other type of propulsion system, but can also rely on other vessels such as tugs in order to move.
  • the figure 4-11 show a further embodiment of the vessel.
  • a sea platform 2 comprising a support structure 4 and a top side 5 is shown.
  • the at least one part which will be removed and/or installed may relate to the top side and/or the support structure.
  • Said top side and said support structure may be partly or fully removed and/or installed.
  • the sea platform 2 is supported on the seabed by the support structure 4. It will be clear that the invention is not only directed to this type of sea platforms 2. The invention also applies to different types of sea platforms 2, such as sea platforms 2 with a floating support structure 4.
  • the vessel 1 comprises support units 52 which are attached to the support arms 11, 12.
  • the support units 52 are attached to the inner arm surface 14 of the support arms 11, 12.
  • the support units 52 are shown in detail in fig. 6 .
  • the support units 52 form the support surface 19 on which said at least one part of the sea platform 2 is placed.
  • the top side 5 is the part that will be supported by the support arms 11, 12.
  • the support units 52 comprise a first coupling member 29.
  • the first coupling members 29 are constructed and arranged to couple with cooperating second coupling members 30 attached on the sea platform 2.
  • the first coupling members 29 and the second coupling members 30 are mating coupling members.
  • the first coupling members 29 and the second coupling members 30 can of a different type.
  • the support units 52 comprise dampers 56 forming the support surface 19.
  • the dampers 56 comprise an elastic material, such as rubber. In other examples, a different type of damper 56 can be used, such as fluid dampers and the like.
  • the figures 4-11 show an embodiment of the method for removing at least a part of a sea platform comprising a support structure and a top side.
  • the vessel 1 is located near the sea platform 2.
  • Second coupling members 30 are attached to the sea platform 2.
  • the second coupling members 30 are located below the top side 5.
  • the support structure 4 is cut below the second coupling members 30 to allow a removal of the top side 5 from the support structure 4.
  • Part of the support structure 4 is removed together with the top side 5.
  • the vessel 1 is lowered to a position wherein the first coupling members 29 of the vessel 1 are located below the second coupling members 30.
  • the support arms 11, 12 are positioned under the top side 5 such that the support structure 4 is located between the support arms 11, 12.
  • the first coupling members 29 are located directly under the second coupling members 30.
  • the support arms 11, 12 are raised relative to the water surface 7 to fully support the top side 5 with the support arms 11, 12.
  • the first coupling members 29 and the second coupling members 30 are coupled to each other.
  • the top side 5 is positioned on the support surface 19 formed by the support units 52.
  • the above indicated cut of the support structure 4 is made when the top side is fully supported by the support arms 11, 12.
  • the vessel 1 is moved away from the support structure 4 in a substantially horizontal direction while fully supporting the top side 5 with the support arms 11, 12.
  • the top side 5 is transported by the vessel 1 to a quay 49.
  • the vessel 1 is positioned such that the support arms support arms 11, 12 supporting the top side are positioned above the quay 49.
  • the top side 5 is subsequently transferred onto the quay 49 by lowering the vessel 1 relative to the water surface 7 with the ballast system 54.
  • the invention furthermore relates to a method for installing at least a part of a sea platform comprising a support structure and top side. Said method comprises;
  • Said method may comprise fully supporting the top side 5 with the support arms 11, 12 while the top side 5 is positioned on the support surface 19.
  • Said method may comprise fully supporting the top side 5 with the support arms 11, 12 via the support units 52.
  • Said method may comprise attaching cooperating second coupling members 30 to the top side 5 and lowering the support arms 11, 12 relative to the water surface 7 to decouple the first coupling members 29 from the second coupling members 30 when the top side 5 is carried by the support structure 4.
  • Said method may comprise connecting the top side 5 to the rest of the sea platform 2, such as the support structure 4, while the support arm fully support the top side 5.
  • Said method may comprise positioning the vessel 1 such that the support arms 11, 12 supporting the top side 5 are positioned above a quay 49, and transferring the top side 5 from the quay 49 onto the support arms 11, 12.
  • the top side 5 may be transferred onto the support arms 11, 12 by moving the top side 5 along the support arms 11, 12.
  • the top side 5 may be transferred onto the support arms 11, 12 by hoisting the top side 5 from the support arms 11, 12 and placing the top side on the quay 49.
  • the top side 5 may be transferred onto the support arms 11, 12 by raising the vessel 1 relative to the water surface 7 with the ballast system 54.
  • the figures 12-14 show a further embodiment of the vessel.
  • a hoisting system 32 is attached to the support arms 11, 12.
  • the hoisting system 32 is attached to the outboard extending part 33 of the support arms 11, 12.
  • the hoisting system 32 comprises a first hoisting member 35, a second hoisting member 36, a flexible first hoisting line 37 connecting the first hoisting member 35 with the first support arm 11, a flexible second hoisting line 38 connecting the second hoisting member 36 with the second support arm 12.
  • the flexible hoisting lines 37, 38 may be of any suitable type known to the skilled person, such as cables, chains, wires etc.
  • a first line driver 39 is connected to the vessel 1 and constructed and arranged to take in and pay out the first hoisting line 37 in order to move the first hoisting member 35 relative the first support arm 11.
  • a second line driver 40 is connected to the vessel 1 and constructed and arranged to take in and pay out the second hoisting line 38 in order to move the second hoisting member 36 relative the second support arm 12.
  • the first line driver 39 is attached to the first support arm 11 and the second line driver 40 is attached to the second support arm 12.
  • the first line driver 39 and second line driver 40 comprise a reeling device, such as a traction winch.
  • the line driver 39, 40 may be of a different type, such as a strand jack lifting system or a chain jack lifting system.
  • the first hoisting member 35 and second hoisting member 36 are provided with first connectors 57 constructed and arranged to in use connect said hoisting members 35, 36 to cooperating second connectors 58 provided on said at least one part of the sea platform 2, more specifically on the support structure 4 of the sea platform 2.
  • the first hoisting member 35 and the second hoisting member 36 comprise an in use substantially horizontal extending hoisting beam 42.
  • the vessel 1 comprises a further hoisting system 46 which is supported by the support arms 11, 12.
  • the further hoisting system 46 comprises a hoist driving device 47 constructed and arranged to drive the further hoisting device 46 along the support arms 11, 12.
  • Rails 51 are provided on the support arms 11, 12 and the further hoisting system 46 is coupled and movable along said rails 51 via the hoist driving device 47.
  • the further hoisting system 46 comprises a cross beam 48 extending over the distance between the support arms 11, 12.
  • the figures 15 and 16 show an alternative embodiment of the vessel of the fig. 12-14 .
  • the first hoisting line 37 is attached to the first support arm 11 via a first lifting device 44 constructed and arranged to in use lift the first hoisting line 37 above the first support arm 11 I in a substantially vertical direction.
  • the second hoisting line 38 is attached to the second support arm 12 via a second lifting device 45 constructed and arranged to in use lift the second hoisting line 38 above the second support arm 12 in a substantially vertical direction. Said movement is indicated by arrow 59.
  • the first lifting device 44 and the second lifting device 45 are constructed and arranged to lift the first hoisting line 37 and the second hoisting line 38 up to a distance of around 30 m above the first support arm 11 and the second support arm 12, respectively.
  • the first hoisting line 37 and the second hoisting line 38 are lifted up to a distance between 10 and 50 m above the first support arm 11 and the second support arm 12, respectively.
  • the figures 12-14 show an embodiment of the method for removing at least a part of a sea platform comprising a support structure and a top side.
  • the hoisting system 32 is connected to the support structure 4 and the support structure 4 is raised with the hoisting system 32 in a substantially vertical direction while fully supporting the support structure 4 with the support arms 11, 12.
  • the vessel 1 and the support structure 4 of the platform 2 are shown.
  • the top side 5 has already been removed.
  • the first hoist member 35 and second hoist member 36 are lowered towards the seabed on which the support structure 4 is positioned.
  • the first hoist member 35 and second hoist member 36 are connected to the support structure 4 at a position below the water surface 7.
  • the first hoist member 35 and second hoist member 36 may for example be connected to the support structure 4 at a position between 10 and several hundreds of meters below the water surface 7.
  • the first connectors 57 and the second connectors 58 are interconnected.
  • first hoist member 35 and second hoist member 36 holding the support structure 4 are raised towards the water surface 7.
  • the first hoist member 35 and second hoist member 36 may be raised to a position above the water surface 7.
  • first hoist member 35 and second hoist member 36 are raised above the support arms 11, 12.
  • the support structure may be dismantled or the vessel 1 may transport the support structure to a location where it will be dismantled or re-used.
  • the invention furthermore relates to a method for installing at least a part of a sea platform comprising a support structure and top side. Said method comprises;
  • Said method may comprise raising the first hoist member 35 and the second hoist member 36 to a position above the water surface 7.
  • Said method may comprise lowering the first hoist member 35 and second hoist member 36 up to a depth of between 10 and several hundreds of meters below the water surface 7.
  • Said method may comprise providing a vessel according the invention, such as shown in fig. 15 and 16 , wherein the first hoist member 35 and second hoist member 36 are located above the support arms 11, 12 while being connected to support structure 4.
  • FIG 17 shows a further embodiment of the vessel.
  • Two heavy lifting cranes 61 are provided on the vessel 1.
  • Fig. 18 shows a further embodiment of the method.
  • Two parts of the sea platform are supported by the support arms 11, 12.
  • the top side 5 is supported by the inboard extending part 34 of the support arms 11, 12.
  • the support structure 4 is supported by the outboard extending part 33 of the support arms 11, 12.
  • the figures 19-22 show a further embodiment of the vessel.
  • a top side support 62 is provided on the deck 20 of the vessel 1.
  • the top side support 62 is constructed and arranged to support the top side 5 of the sea platform 2.
  • the top side support 62 is located at the second hull side 22.
  • the top side structure 62 may be located at a distance from the second hull side 22.
  • the top side support 62 is located on the deck 20 of the vessel 1.
  • the top side support 62 is located at the part of the hull comprising said smaller width W2.
  • a top side 5 is positioned on the top side support 62.
  • the top side 5 is fully supported by the top side support 62 located on the deck 20.
  • a support structure 4 is fully supported by the support arms 11, 12.
  • the support structure 4 is connected to the hoisting system 32 attached to the support arms 11, 12.
  • the support structure 4 comprises several support legs 63.
  • the support structure 4 is being lowered by the hoisting system 32. After the support structure 4 is positioned on the seabed, the hoisting members 35, 36 are subsequently disconnected from the support structure 4 and raised to the support arms 11, 12.
  • the support structure 4 is positioned on the seabed and the vessel 1 is positioned such that the top side 5 is located above the support structure 4.
  • the hull 6 of the vessel 1 is located between the support legs 63.
  • the top side support 62 carrying the top side 5 is lowered relative to the water surface 7 to place the top side 5 on the support structure 4. Said lowering is continued to fully transfer the weight of the top side 5 to the support structure 4 and to move the top side support 62 at a distance from the top side 5.
  • the top side 5 is fully supported by the support structure 4 and the vessel 1 is moving away from the support structure 4 and the top side 5 in a substantially horizontal direction.
  • the top side support 62 is lowered by lowering the hull 6 of the vessel 1 relative to the water surface 7.
  • the invention furthermore relates to a method wherein a vessel 1 according the invention, such as shown in fig. 19-22 , is used to remove a top side 5 from a sea platform 2 comprising a support structure 4 with several support legs 63 and the top side 5.
  • Said method comprises
  • the top side support 62 is raised by raising the hull 6 of the vessel 1 relative to the water surface 7.
  • the support structure 4 can subsequently be removed according to the invention, such as shown in the fig. 12-16 .
  • the figures 23-26 show a further embodiment of the vessel.
  • the figures 23-25 show a top view of the vessel 1 and figure 26 shows a cross sectional view along the roll axis 8.
  • the support arms 11, 12 are movable relative to the hull 6.
  • the support arms are movable relative to each other.
  • the support arms 11, 12 are movable in a direction transverse to the roll axis 8. More specifically, the support arms 11, 12 are movable in a direction perpendicular to the roll axis 8.
  • the support arms 11, 12 are movable along a support trajectory 64.
  • the support trajectory 64 extends transverse to the roll axis 8. More specifically, the support trajectory 64 extends perpendicular to the roll axis 8.
  • the vessel 1 comprises two support rails 65 and the support arms 11, 12 are moveable along the support rails 65.
  • the support rails 65 extends transverse to the roll axis 8. More specifically, the support rails 65 extends perpendicular to the roll axis 8.
  • the support rails 65 defines the support trajectory 64.
  • the vessel 1 comprises an arm driving system 66 constructed and arranged to move the support arms 11, 12 relative to the hull 6.
  • the arm driving system 66 moves the support arms 11, 12 along the support trajectory 64.
  • the arm driving system 66 moves the support arms 11, 12 along the support rails 65.
  • the vessel 1 comprises an arm fixating system 67 constructed and arranged to fixate the support arms 11, 12 relative to the hull 6.
  • the support arms 11, 12 are movable from a distance of 10 m between the support arms 11, 12 to a distance of 100 m between the support arms 11, 12, and vice versa.
  • the vessel 1 comprises two docking units 70.
  • the vessel 1 may comprise a different number of docking units 70.
  • the docking units 70 are attached to the hull 6. More specifically, the docking units 70 are attached to the first hull side 21.
  • at least one docking unit 70 is attached to the support arms 11, 12, for example to the inner arm surfaces 14 of the support arms 11, 12.
  • the vessel 1 is positioned near a support structure 4.
  • the support arms 11, 12 are positioned such that the distance between the support arms 11, 12 is larger than the width of the support structure 4.
  • the vessel 1 is docked at the support structure 4 via the docking units 70.
  • the docking units 70 are placed in contact with the support structure 4.
  • the vessel 1 is positioned such that the support structure 4 is located between the support arms 11, 12.
  • the support units 52 can be moved along the support arms 11, 12 by the driving system 31.
  • the support units 52 comprise first coupling members 29 and are positioned near second coupling members (not shown) provided on the support structure 4.
  • the support arms 11, 12 are movable in the directions shown by the arrows 69.
  • the support arms 11, 12 are moved toward each other by the arm driving system 66.
  • the support arms 11, 12 are moved toward the support structure 4.
  • the support arms 11, 12 are subsequently fixed in a support position 68 by the arm fixating system 67.
  • the first coupling members 29 of the support units 52 couple with the second coupling members of the support structure 4.
  • the support structure 4 will be lifted which allows the transportation of the support structure 4 by the vessel 1.
  • the moving support arm 11, 12 can be used to remove and/or install a top side 5.
  • a removal of a top side 5, may for example be performed by moving the coupling members 29 and/or the support arms 11, 12 relative to the hull 6 such that the first coupling members 29 are positioned below second coupling members 30 provided at the underside of the top side 5.
  • the support arms 11, 12 are subsequently raised relative to the water surface to couple the first coupling members 29 with the second coupling members 30.
  • the raising of support arms 11, 12 relative to the water surface is continued to lift the top side 5 from the support structure 4.
  • the vessel 1 is moved away from the support structure 4 while fully supporting the top side 5.
  • An installation of the top side 5, may for example be performed by positioning the top side 5 above a support structure 4 while the top side 5 is fully supported by the support arms 11, 12.
  • the support arms 11, 12 are subsequently lowered relative to the water surface to place the top side 5 on the support structure 4.
  • the lowering of the support arms 11, 12 is continued to fully transfer the weight of the top side 5 to the support structure 4.
  • the lowering of the support arms 11, 12 relative to the water surface may be continued to create a distance between the support arms 11, 12 and the top side 5.
  • the support arms 11, 12 are moved relative to the hull 6 before the vessel 1 is moved away from the support structure 4.
  • the invention furthermore relates to a method for removing and/or installing at least one part of a sea platform 2 comprising a support structure 4 and a top side 5, wherein the method comprises the feature of moving the support arms 11, 12 relative to the hull 6.
  • the method may comprise the feature of moving the support arms 11, 12 relative to each other.
  • the method may comprise the feature of moving the support arms 11, 12 towards each other.
  • the method may comprise the feature of moving the support arms 11, 12 away from each other.
  • the method may comprise the feature of moving the support arms 11, 12 in a direction transverse to the roll axis 8.
  • the method may comprise the feature of moving the support arms 11, 12 in a direction perpendicular to the roll axis 8.
  • the method may comprise the feature of moving the support arms 11, 12 along the support trajectory 64.
  • the method may comprise the feature of moving the support arms 11, 12 along the support rail 65.
  • the method may comprise the feature of moving the support arms 11, 12 to match the dimensions of the top side 5 which in use will be supported by the support arms 11, 12.
  • the method may comprise the feature of moving the support arms 11, 12 to match the dimensions of the support structure 4 which in use will be supported by the support arms 11, 12.
  • the method may comprise the feature of fixating the support arms 11, 12 relative to the hull 6 in a support position 68.
  • the method may comprise the feature of docking the vessel 1 at the support structure 4 via the at least one docking unit 70.
  • the method may comprise the feature of moving the support arms 11, 12 relative to the hull after the docking of the vessel 1.
  • the method may comprise the feature of fixating the support arms 11, 12 relative to the hull 6 after the docking of the vessel 1.
  • Figure 27 shows a further embodiment of the vessel.
  • the hoisting system 32 is constructed and arranged to move said at least one part along the support arms 11, 12.
  • the hoisting system 32 is constructed and arranged to move said at least one part along the deck 20 of the vessel 11.
  • the driving system 31 is constructed and arranged to move the hoisting system 32 along the support arms 11, 12.
  • the driving system 31 is constructed and arranged to move the hoist members 35, 36 along the support arms 11, 12.
  • the support arms 11, 12 comprise rails 51 and the driving system 31 moves the hoisting system 31 along said rails 51.
  • the rails 51 extend substantially parallel to the roll axis 8 of the vessel 1.
  • the invention furthermore relates to a method for removing and/or installing at least one part of a sea platform comprising a support structure and a top side, wherein the method comprises the feature of moving said at least one part supported by the support arms 11, 12 along the deck 20 of the vessel 1.
  • the method may comprise the feature of moving said at least one part supported by the support arms 11, 12 in the direction of the roll axis 8 of the vessel 1.
  • the method may comprise the feature of moving said at least one part carried by the hoisting system 32 along said support arms 11, 12 with the driving system 31.
  • the method may comprise the feature of moving said at least one part carried by the hoisting system 21 along the rails 51.
  • the method may comprise the feature of moving the hoist members 35, 36 along the support arms 11, 12 with the driving system 31 while carrying the said at least one part.
  • the method may comprise the feature of placing said at least one part carried by the hoisting system 32 on the deck 20 of the vessel 1.
  • the method may comprise the feature of transferring said at least one part from the vessel 1 onto a quay 49 by positioning the second hull side 22 adjacent to the quay 49 and moving said at least one part from the vessel 1 to the quay 49 while moving over the second hull side 22.
  • the method may comprise the feature of transferring said at least one part from a quay 49 onto the vessel 1 by positioning the second hull 22 side adjacent to the quay 49 and moving said at least one part from the quay 49 to the vessel 1 while moving over the second hull side 22.
  • Said at least one part may be the support structure 4. Said at least one part may be the top side 5.
  • the method may comprise the feature of removing the support structure 4 while the vessel 1 carries the top side 5.
  • the method may comprise the feature of removing the support structure 4 while the vessel 1 carries a further support structure 4.
  • the method may comprise the feature of removing the top side 5 while the vessel carries a further top side 5.
  • the method may comprise the feature of installing the support structure 4 while the vessel carries the top side 5.
  • the method may comprise the feature of installing the support structure 4 while the vessel carries a further support structure 4.
  • the method may comprise the feature of installing the top side 5 while the vessel carries a further top side 5.
  • FIG. 28 shows a further embodiment of the vessel.
  • the hoisting system 32 comprises a first hoisting member 35, a second hoisting member 36, a third hoisting member 73, and a fourth hoisting member 74.
  • a flexible first hoisting line 37 connects the first hoisting member 35 with the first support arm 11.
  • a flexible second hoisting line 38 connects the second hoisting member 36 with the second support arm 12.
  • a flexible third hoisting line 75 connects the third hoisting member 73 with the first support arm 11.
  • a flexible fourth hoisting line 76 connects the fourth hoisting member 74 with the second support arm 12.
  • the hoisting system 32 comprises a first line driver 39 connected to the first hoisting line 37, a second line driver 40 connected to the second hoisting line 38, a third line driver 77 connected to the third hoisting line 75 and a fourth line driver 78 connected to the fourth hoisting line 76.
  • the first line driver 39 is attached to the first support arm 11
  • the second line driver 40 is attached to the second support arm 12
  • the third line driver 77 is attached to the first support arm 11
  • the fourth line driver 78 is attached to the second support arm 12.
  • the support structure 4 is of the type on which a top side comprising a wind turbine is placed. Two further support structures 4 are located on the deck 20 of the vessel 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Earth Drilling (AREA)
  • Revetment (AREA)
EP12179898.7A 2011-08-19 2012-08-09 Récipient et procédé pour la suppression et/ou l'installation d'au moins une partie d'une plate-forme en mer Active EP2559614B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201161525287P 2011-08-19 2011-08-19
NL2007282A NL2007282C2 (en) 2011-08-19 2011-08-19 Vessel and method for removal and/or installation of at least a part of a sea platform.
US201161560966P 2011-11-17 2011-11-17

Publications (3)

Publication Number Publication Date
EP2559614A2 true EP2559614A2 (fr) 2013-02-20
EP2559614A3 EP2559614A3 (fr) 2013-09-04
EP2559614B1 EP2559614B1 (fr) 2016-07-27

Family

ID=46604229

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12179898.7A Active EP2559614B1 (fr) 2011-08-19 2012-08-09 Récipient et procédé pour la suppression et/ou l'installation d'au moins une partie d'une plate-forme en mer

Country Status (3)

Country Link
US (1) US20130045056A1 (fr)
EP (1) EP2559614B1 (fr)
NL (1) NL2007282C2 (fr)

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NL2010545C2 (en) * 2013-03-28 2014-09-30 Ihc Holland Ie Bv Skidding system for an offshore installation or vessel.
NL2011229C2 (en) * 2013-07-26 2015-01-27 Heerema Marine Contractors Nl Lifting device, vessel and method for removal and/or installation of at least one part of a sea platform.
GB2567218B (en) * 2017-10-06 2020-04-15 Offshore Decommissioning Services Ltd A semi submersible vessel for manipulating offshore infrastructures
CN111017765A (zh) * 2019-11-28 2020-04-17 海洋石油工程（青岛）有限公司 一种用扁担梁牵引大型结构物的新工艺

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US10443200B2 (en) 2014-09-26 2019-10-15 Heerema Marine Contractors Nederland Se Lifting device for lifting an upper part of a sea platform
CN106516021B (zh) * 2016-11-17 2021-06-11 中交第一航务工程局有限公司 一种自航式水下隧道沉管运载安装一体船
US10836459B2 (en) * 2016-11-17 2020-11-17 Cccc First Harbor Engineering Co., Ltd. Self-propelled integrated ship for transporting and installing immersed tubes of underwater tunnel and construction process
GB2564152A (en) * 2017-07-05 2019-01-09 Oil & Gas Decommissioning Ltd Offshore decommissioning vessel and methods of use
EP3508412B1 (fr) 2018-01-04 2020-06-03 Robert Bosch GmbH Dispositif de levage de la partie supérieure d'une structure offshore, agencement de levage de la partie supérieure d'une structure offshore, navire comprenant cet agencement et procédé de levage et d'abaissement de la partie supérieure d'une structure offshore
EP4098541B1 (fr) * 2021-04-23 2024-01-24 CCCC First Harbor Engineering Co., Ltd. Navire intégré de transport et de montage de tube immergé de type semi-submersible et procédé de construction
CN113148028B (zh) * 2021-04-23 2025-01-07 中交第一航务工程局有限公司 半潜式沉管运输安装一体船及施工工艺
CN113998074A (zh) * 2021-11-23 2022-02-01 陈玉凯 一种水上楼房的建造方法

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US4829924A (en) * 1986-07-21 1989-05-16 Dynovation Design And Engineering Inc. Semi submersible device and method to set and salvage marine superstructures
NL8801920A (nl) * 1988-08-02 1990-03-01 Dock Express Shipping Bv Werkwijze voor het door middel van een half-afzinkbaar vaartuig zoals een dokschip transporteren van een zware last, en een inrichting voor het uitvoeren van de werkwijze.

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL2010545C2 (en) * 2013-03-28 2014-09-30 Ihc Holland Ie Bv Skidding system for an offshore installation or vessel.
WO2014158025A1 (fr) 2013-03-28 2014-10-02 Ihc Holland Ie B.V. Système de glissement pour un bâtiment de mer ou une installation en haute mer
US9889908B2 (en) 2013-03-28 2018-02-13 Ihc Holland Ie B.V. Skidding system for an offshore installation or vessel
NL2011229C2 (en) * 2013-07-26 2015-01-27 Heerema Marine Contractors Nl Lifting device, vessel and method for removal and/or installation of at least one part of a sea platform.
WO2015012695A1 (fr) * 2013-07-26 2015-01-29 Heerema Marine Contractors Nederland Se Dispositif de levage, navire et procédé de retrait et/ou d'installation d'au moins une partie d'une plate-forme marine
GB2530698A (en) * 2013-07-26 2016-03-30 Heerema Marine Contractors Nl Lifting device, vessel and method for removal and/or installation of at least one part of a sea platform
US9738354B2 (en) 2013-07-26 2017-08-22 Heerema Marine Contractors Nederland Se Lifting device, vessel and method for removal and/or installation of at least one part of a sea platform
GB2530698B (en) * 2013-07-26 2020-01-22 Heerema Marine Contractors Nl Lifting device, vessel and method for removal and/or installation of at least one part of a sea platform
GB2567218B (en) * 2017-10-06 2020-04-15 Offshore Decommissioning Services Ltd A semi submersible vessel for manipulating offshore infrastructures
CN111017765A (zh) * 2019-11-28 2020-04-17 海洋石油工程（青岛）有限公司 一种用扁担梁牵引大型结构物的新工艺
CN111017765B (zh) * 2019-11-28 2021-06-25 海洋石油工程（青岛）有限公司 一种用扁担梁牵引大型结构物的新工艺

Also Published As

Publication number Publication date
EP2559614B1 (fr) 2016-07-27
NL2007282C2 (en) 2013-02-21
US20130045056A1 (en) 2013-02-21
EP2559614A3 (fr) 2013-09-04

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