EP3990705B1 - Installation arrangement with jack-up rig and a barge and a method for setting up the installation arrangement - Google Patents

Installation arrangement with jack-up rig and a barge and a method for setting up the installation arrangement Download PDF

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Publication number
EP3990705B1
EP3990705B1 EP20732190.2A EP20732190A EP3990705B1 EP 3990705 B1 EP3990705 B1 EP 3990705B1 EP 20732190 A EP20732190 A EP 20732190A EP 3990705 B1 EP3990705 B1 EP 3990705B1
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EP
European Patent Office
Prior art keywords
barge
slot
jack
platform
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.)
Active
Application number
EP20732190.2A
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German (de)
French (fr)
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EP3990705C0 (en
EP3990705A1 (en
Inventor
Klaas OLTMANN
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.)
Tractebel Overdick GmbH
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Tractebel Overdick GmbH
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Publication of EP3990705A1 publication Critical patent/EP3990705A1/en
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Publication of EP3990705C0 publication Critical patent/EP3990705C0/en
Publication of EP3990705B1 publication Critical patent/EP3990705B1/en
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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
    • E02B17/021—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 with relative movement between supporting construction and platform
    • 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
    • B63C7/06—Salvaging of disabled, stranded, or sunken vessels; Salvaging of vessel parts or furnishings, e.g. of safes; Salvaging of other underwater objects in which lifting action is generated in or adjacent to vessels or objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/18—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes specially adapted for use in particular purposes
    • 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

Definitions

  • the invention relates to an installation arrangement according to the preamble of claim 1.
  • the invention also relates to a method for constructing an installation arrangement with a jack-up platform and a barge.
  • From the DE 10 2011 118 712 A1 is a watercraft consisting of a barge and a dock ship known.
  • the dock ship completely encases the barge on the bottom side and makes it possible to lift the barge out of the water on four support legs using jacking systems.
  • U.S. 3,537,413 discloses a slotted vessel for accommodating a plurality of barges which can be brought to an equal height along its bottom by means of jacking systems to allow the barges towed individually in inland waterways to be seaworthy for the open sea as a compact unit .
  • the lifting pontoon has two side walls that are connected to each other via a loading deck.
  • the lifting pontoon can be lifted out of the water on four support legs.
  • GB 2567218A discloses a buoyant and lowerable ship that is used for installing jackets for wind turbines or the like. can be used.
  • WO 2019 081 440 A1 is a self-propelled offshore installation vessel known with a jack-up platform having a continuous main deck.
  • the jack-up platform has a recess in the rear area that is not continuous along the height, the floor of which is designed as the main loading deck. Components to be assembled can be loaded onto the main loading deck. Basically, the main loading deck is therefore dry during transport. It is also conceivable that the jack-up platform will be temporarily lowered, the main cargo deck will be flooded and a barge floats over the main cargo deck. The The main cargo deck is then drained by raising the jack-up platform through a ballast system so that the barge rests on the main cargo deck.
  • a disadvantage of the installation arrangement described is the fact that the jack-up platform requires a complex ballast system in order to be able to be loaded with a barge. In addition, draining the main cargo deck of the jack-up platform is problematic.
  • the object of the present invention is to provide a method for constructing an installation platform that avoids the disadvantages mentioned above.
  • the object is achieved in its first aspect by an installation arrangement with the features of claim 1 mentioned at the outset.
  • the installation arrangement consists of two main components: one is a barge and the other is a jack-up platform.
  • the term barge is to be understood broadly here; it may be self-propelled or non-self-propelled, preferably having a main cargo deck capable of transporting components for wind turbines, substations, oil rigs, etc.
  • the jack-up platform is self-floating. It can be self-propelled, ie have a drive that makes it possible to bring the jack-up platform from the port to the location without additional tugs.
  • the jack-up platform can have a crane, preferably a slewing crane, with which the components are unloaded from the barge and installed directly on the seabed or on parts that have already been created can become.
  • the jack-up platform has a hull which is slotted vertically to the sea surface, the term slot also having a broad meaning here.
  • the slot may have a width that is as much as half, 60%, 70% or even more of the width of the jack-up platform as a whole along the respective cross-section, and the slot may have a length that is over half, 60%, 70% or even 80% of the length of the jack-up platform.
  • the jack-up platform is preferably U-shaped in plan view.
  • a width of the slot is greater than a width of the barge.
  • a width of the slot in each longitudinal cross section is greater than an associated width of the barge.
  • the associated width of the barge means the width of the point on the barge that is arranged in the same cross section when the barge is fully inserted into the slot.
  • the slot is designed in such a way that the barge can move into the slot or also move out again.
  • the jack-up platform has mobile support legs. There may be at least three support legs, preferably four; but there are also five, six or any higher number of support legs conceivable.
  • the support legs are reciprocable along a height relative to the hull of the jack-up platform. They can be moved individually or in groups. Preferably, the support legs can be moved perpendicularly to the sea surface when the jack-up platform is floating in the sea.
  • Each of the support legs has a lifting mechanism. The lifting mechanism makes it possible to lift the hull of the jack-up platform out of the sea together with the barge retracted into the slot, so that in a raised position of the jack-up platform both the hull of the jack-up platform and the barge are no longer in contact with the sea surface.
  • the slot extends along the entire length of the retracted barge over the entire height of the hull, in other words: the jack-up platform does not have a main loading deck running under the barge.
  • the seabed side of the barge is open because the slot extends the full height of the jack-up platform.
  • holding means are arranged on the barge and the slot, which interact and hold the barge in the raised position in a fixed position on the jack-up platform.
  • the holding means can be designed in different ways.
  • the design of the jack-up platform according to the invention makes it possible on the one hand for a barge to be able to enter the slot without ballasting the jack-up platform, and on the other hand when the jack-up platform is raised it is possible to drain the slot immediately and quickly, since the jack-up platform does not have a main loading deck between the preferably parallel legs of the slot has.
  • the holding means can be formed, for example, by brackets that run along the two opposite inner sides of the legs of the slot.
  • the consoles can be continuous or interrupted.
  • the consoles can be attached on the inside the inner walls of the slot, but also as an inner extension of the seabed-side underside of the hull.
  • the barge can have corresponding lateral projections; in the second case, the barge is designed in its seabed-side width such that it can be moved over the consoles and the width is greater than the clear distance between the console front sides.
  • consoles have the advantage that an additional fastening step is not necessary.
  • the barge can simply drive itself or be pulled into the slot by appropriate ropes or pulling devices, and by raising the jack-up platform the barge rests on the consoles by itself and is therefore held in the raised position in a fixed position on the jack-up platform.
  • the slit may extend over at least 30%, preferably at least 50%, more preferably at least 90% of the longitudinal extent of the body.
  • the jack-up platform can stand stably on the seabed, at least one support leg is advantageously arranged on the bow side of the slot; two or more support legs can also be arranged on the bow side of the slot and, at the same time, two or more support legs in the stern section of the jack-up platform, i.e. in the area of the slot of the Jack-up platform, preferably one support leg can be provided on each leg of the slot.
  • the jack-up platform has a slewing crane, which makes it possible to lift components arranged on the barge, pivot them sideways and lower them at the desired location, for example to set up a wind turbine, a substation or an oil rig offshore, or to replace heavy components such as transformers offshore .
  • the invention is solved in its second aspect by a method having the features of claim 10.
  • the method is particularly suitable for constructing an installation arrangement in accordance with one of the installation arrangements mentioned above.
  • any of the above installation arrangements can be constructed by any of the methods described below.
  • the installation arrangement includes a jack-up platform and a barge.
  • the jack-up platform is brought to the location.
  • the jack-up platform has a hull slotted vertically to the sea surface with a slot having a slot width slightly greater than a width of the barge, the slot extending along the entire longitudinal extent of the retracted barge over the entire height of the hull.
  • the jack-up platform is self-floating.
  • the support legs are lowered until they are placed on the seabed. However, this step can also be done later.
  • the barge is driven into the slot of the jack-up platform, the support legs can be lowered before or after.
  • the holding means on the barge and on the slot cooperate and the jack-up platform is lifted out of the water with the barge.
  • a conventional jacking system located on the jack-up platform's support legs, is used for lifting.
  • the method according to the invention makes it possible to move the jack-up platform to location and to refrain from ballasting the jack-up platform on location.
  • the jack-up platform does not need to be lowered further into the sea.
  • the barge can drive into the jack-up platform brought to the location; It is also not necessary to ballast again, but the jack-up platform can be lifted out of the sea immediately with the barge retracted using the lifting system of the support legs.
  • the barge When entering the slot, the barge preferably forms a clear distance from the seabed over its entire longitudinal extent of its underwater surface. Therefore, the barge does not drive over a floor or a deck, in particular no main loading deck, of the jack-up platform, but it drives into a slot that is designed in the form of a recess that is largely completely open to the seabed, so that the barge with its entire underwater surface has a clear distance to the seabed.
  • the installation arrangement according to the invention shown in the figures comprises a jack-up platform 1 and a barge 2.
  • the jack-up platform 1 is designed to be self-floating and can also be self-propelled.
  • the jack-up platform 1 has a bow 3 and a stern section 4 which is slotted.
  • the term slot 6 is to be understood here as a recess in the rear section 4 in a longitudinal direction L of the jack-up platform 1, which corresponds to the usual direction of travel, with the slot 6 having a width Bs of approximately half a width B H of the jack-up platform 1 along the respective cross-section can have.
  • the slot 6 has a width Bs of 32.2 m in the illustrated embodiment and a length Ls of 100 m in the embodiment according to FIG 1 on.
  • the jack-up platform 1 itself can have a length L H of 160 m and a width B H of 60 m, but these are only exemplary dimensions.
  • the slot 6 extends along the longitudinal direction L, preferably along the entire length of the fully retracted barge 2 over an entire height Hs of a hull 7.
  • the hull 7 has no main loading deck in the area of the stern section 4 and the slot 6.
  • the slot 6 forms two lateral legs 7a, 7b in the hull 7, the rear section 4 of the jack-up platform 1 is therefore essentially U-shaped in a plan view, and the U-legs 7a, 7b point over their entire longitudinal extent and over their entire Set a clear distance apart.
  • the jack-up platform 1 in the 1 comprises four recesses through which four supporting legs 9a, 9b, 9c, 9d are guided.
  • Each of the support legs 9a, 9b, 9c, 9d is provided with a lifting mechanism which allows the support legs 9a, 9b, 9c, 9d to be lifted through the recess of the jack-up platform 1 down to the seabed and, in addition, to lift the hull 7 of the jack-up platform 1 out of the water along the support legs 9a, 9b, 9c, 9d, which are arranged parallel to one another and are perpendicular to the seabed, so that the hull 7 no longer makes contact in a raised position to a sea surface 17 has.
  • the jack-up platform 2 includes a slewing crane 8, which is locked during the transport of the jack-up platform 1 from the port to the raised support legs 9a, 9b, 9c, 9d to enable safe and motion-free transport.
  • the jack-up platform 1 may have a helipad 11, a control bridge 12, and so on.
  • the bow 3 of the jack-up platform 1 is formed continuously along the width B H in each cross section. A deck on which components can also be transported is provided between the two support legs 9a, 9b on the bow side. In particular, according to the slot 6 1 a barge 2 retracted.
  • the barge 2 rests in a fixed position in a raised position with lateral projections running in the longitudinal direction L on consoles 13a, 13b arranged on the inside of the U-legs 7a, 7b.
  • the jack-up platform 1 is thus lifted out of the sea together with the barge 2 when the installation arrangement is raised.
  • brackets 13a, 13b between barge 2 and slot 6 can be seen.
  • the brackets 13a, 13b are arranged on the slot 6 and extend almost over the entire longitudinal extent of the slot 7 along each of the two legs 7a, 7b.
  • the jack-up platform 1 is designed in such a way that, when the support legs 9a, 9b, 9c, 9d are raised, as in 2 with and without the barge 2 retracted into the slot 6 floats independently on the sea surface and can also be brought to the location in a self-propelled manner by means of a drive (not shown).
  • the slot-side holding means designed as brackets 13a, 13b are arranged at such a height relative to sea level and on the leg 7a, 7b that a barge 2 assigned to the jack-up platform 1 and constructed on the jack-up platform 1, which in 2 has already entered the slot 6, has lateral projections 16a, 16b at such a height H that the lateral projections 16a, 16b of the loaded barge 2 are arranged above the consoles 13a, 13b, ie are arranged at a higher distance from the seabed than the brackets 13, 13b of the jack-up platform, so that the barge with its lateral projections 16a, 16b can move over the brackets 13a, 13b into the slot 6 of the jack-up platform 1 or can be pulled into it.
  • a bow-side section of an outer peripheral shape of the barge 2 corresponds to the inner peripheral shape of the slot 7, the outer shape of the barge 2 is designed in such a way that in a width B B and a length L B is formed slightly smaller than the clear width Bs of the slit 7 and also than the clear length Ls of the slit 7 so that it is completely in accordance with 2 can be accommodated in slot 6.
  • the jack-up platform 1 has the control bridge 12 on the bow 3, from which the jack-up platform 1 can be controlled.
  • the slewing crane 8 is in 3 retracted.
  • the slot 6 of the jack-up platform 1 extends in the longitudinal direction L over at least 50%, preferably at least 60%, particularly preferably at least 70% or 80% of the longitudinal extent of the jack-up platform 1.
  • the slot 6 has a constant width Bs over almost its entire longitudinal extent, which accounts for about half the width B H of the jack-up platform. However, the width can also be at least 40% or at least 60% of the width B H of the jack-up platform 1 in the rear section 4 .
  • the brackets 13a, 13b run along the inner sides of the U-legs 17a, 17b of the slot 6. They have a length which is approximately half, preferably at least 60%, preferably at least 70%, preferably at least 80% of the length Ls of the slot 6 corresponds.
  • figure 5 shows jack-up platform 1 in 2 without the slewing crane 8 in a rear view that shows the consoles 13a, 13b a little more clearly.
  • the jack-up platform 1 is shown in a top view from a rear perspective, in which the two brackets 13a, 13b and the U-shaped configuration of the rear section 4 of the jack-up platform 1 can also be seen.
  • barge 2 is to be interpreted broadly; it can be a self-propelled or non-self-propelled ship, preferably with an essentially flat main loading deck, on which very heavy components can also be transported.
  • the console 13a, 13b is intended that a barge 2 with lateral projections 16a, 16b on the consoles 13a, 13b in the retracted State rests when the jack-up platform 1 is lifted out of the sea on its support legs 9a, 9b, 9c, 9d.
  • the installation arrangement includes jack-up platform 1 and barge 2.
  • the jack-up platform 1 is moved to location according to Figure 9a .
  • the jack-up platform 1 can be self-propelled and without another tractor or similar. go to the location yourself.
  • the barge 2 shown is usually loaded with components that are intended for a technical system to be erected on site, such as a wind turbine, a transformer platform or an oil platform, or components thereof.
  • the main cargo deck of the Barge 2 is empty.
  • the barge 2 is driven vertically into the slot 6 from the stern direction.
  • the bow 3 of the barge 2 has already moved a little way into the slot 6 of the jack-up platform 1.
  • the slewing crane 8 is in the locked state.
  • the barge 2 is already fully retracted into the slot 6 of the jack-up platform 1 and what 9c not shown, arranged with their lateral projections 16a, 16b above the brackets 13a, 13b of the jack-up platform 1. If the barge 2 is so heavily loaded that it lies too deep in the water and its lateral projections 16a, 16b are not arranged above the brackets 13a, 13b before it enters the slot 6, there is the possibility of ballasting.
  • the jack-up platform 1 has chambers that can be flooded with seawater, so that the jack-up platform 1 lowers in the sea relative to the sea surface 17 .
  • the jack-up platform 1 is lowered so far that its brackets 13a, 13b are arranged below the lateral projections 16a, 16b of the barge 2, so that the barge 2 can be pulled into the slot 6.
  • Ropes or other pulling mechanisms which are not shown in the figures, can be provided for this.
  • Fig. 9e shows the jack-up platform in the raised position.
  • the four support legs 9a, 9b, 9c, 9d can each be moved individually relative to the hull 7 of the jack-up platform 1.
  • a lifting mechanism in the form of a jacking system or similar is required for this. intended.
  • the support legs 9a, 9b, 9c, 9d are lowered onto the seabed until each of the support legs 9a, 9b, 9c, 9d is in contact with the seabed.
  • this lowering of the support legs 9a, 9b, 9c, 9d onto the seabed can also take place before the barge 2 is introduced into the slot 6.
  • the support legs 9a, 9b, 9c, 9d After lowering the support legs 9a, 9b, 9c, 9d to the seabed, the support legs 9a, 9b, 9c, 9d are arranged perpendicularly to the seabed and arranged parallel to each other.
  • the lifting system makes it possible to lift the hull 7 of the jack-up platform 1 together with the barge 2 resting on the brackets 13a, 13b out of the sea, so that both the barge 2 and the hull 7 of the jack-up platform 1 no longer have any contact with the sea surface 17 have.
  • the raised state is in the Figure 9d shown.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Jib Cranes (AREA)
  • Earth Drilling (AREA)

Description

Die Erfindung betrifft eine Installationsanordnung nach dem Oberbegriff des Anspruchs 1. Die Erfindung betrifft auch ein Verfahren zum Aufbau einer Installationsanordnung mit einer Hubinsel und einer Barge.The invention relates to an installation arrangement according to the preamble of claim 1. The invention also relates to a method for constructing an installation arrangement with a jack-up platform and a barge.

Installationsanordnungen sind im Stand der Technik bekannt.Installation arrangements are known in the prior art.

Aus der DE 10 2011 118 712 A1 ist ein Wasserfahrzeug, bestehend aus einer Barge und einem Dockschiff, bekannt. Das Dockschiff ummantelt die Barge bodenseitig vollständig und ermöglichst es, die Barge an vier Stützbeinen mittels Jacking-Systemen aus dem Wasser herauszuheben.From the DE 10 2011 118 712 A1 is a watercraft consisting of a barge and a dock ship known. The dock ship completely encases the barge on the bottom side and makes it possible to lift the barge out of the water on four support legs using jacking systems.

In der US 3,537,413 ist ein geschlitztes Schiff zur Aufnahme einer Mehrzahl von Bargen offenbart, die mittels Jacking-Systemen auf eine gleiche Höhe entlang Ihres Unterbodens gebracht werden können, damit die Bargen, die einzeln in Binnengewässern gezogen werden, für das offene Meer als kompakte Einheit seegängig gemacht werden können.In the U.S. 3,537,413 discloses a slotted vessel for accommodating a plurality of barges which can be brought to an equal height along its bottom by means of jacking systems to allow the barges towed individually in inland waterways to be seaworthy for the open sea as a compact unit .

In der EP 3 170 732 A1 ist ein schwimmfähiger Hubponton zur Aufnahme eines Transportgutes offenbart. Der Hubponton weist zwei seitliche Wandungen auf, die über ein Ladedeck miteinander verbunden sind. Der Hubponton kann an vier Stützbeinen aus dem Wasser herausgehoben werden.In the EP 3 170 732 A1 discloses a buoyant lifting pontoon for receiving goods to be transported. The lifting pontoon has two side walls that are connected to each other via a loading deck. The lifting pontoon can be lifted out of the water on four support legs.

Aus der GB 2555414 A ist ein Schiff mit einem Deck und seitlichen Ballasttanks bekannt, das zum Transport von Lasten zwischen der See und einem Kai bestimmt ist.From the GB 2555414A a ship with a deck and lateral ballast tanks is known, which is intended for transporting loads between the sea and a quay.

In der GB 2567218 A ist ein schwimmfähiges und absenkbares Schiff offenbart, das zur Montage von Jackets für Windkraftanlagen o. Ä. verwendet werden kann.In the GB 2567218A discloses a buoyant and lowerable ship that is used for installing jackets for wind turbines or the like. can be used.

Aus der WO 2019 081 440 A1 ist ein selbstfahrendes Offshore-Installationsschiff bekannt mit einer Hubinsel, die ein durchgehendes Hauptladedeck aufweist. Die Hubinsel weist eine entlang der Höhe nicht durchgehende Aussparung im heckseitigen Bereich auf, deren Boden als Hauptladedeck ausgebildet ist. Auf das Hauptladedeck können Bauteile, die montiert werden sollen, geladen werden. Grundsätzlich ist das Hauptladedeck daher während des Transportes trocken. Es ist auch denkbar, dass die Hubinsel vorübergehend abgesenkt wird, das Hauptladedeck geflutet wird und eine Barge über das Hauptladedeck schwimmt. Das Hauptladedeck wird dann entwässert, indem die Hubinsel durch ein Ballastierungssystem angehoben wird, so dass die Barge auf dem Hauptladedeck aufliegt.From the WO 2019 081 440 A1 is a self-propelled offshore installation vessel known with a jack-up platform having a continuous main deck. The jack-up platform has a recess in the rear area that is not continuous along the height, the floor of which is designed as the main loading deck. Components to be assembled can be loaded onto the main loading deck. Basically, the main loading deck is therefore dry during transport. It is also conceivable that the jack-up platform will be temporarily lowered, the main cargo deck will be flooded and a barge floats over the main cargo deck. The The main cargo deck is then drained by raising the jack-up platform through a ballast system so that the barge rests on the main cargo deck.

Nachteilig an der beschriebenen Installationsanordnung ist die Tatsache, dass die Hubinsel ein aufwendiges Ballastierungssystem benötigt, um mit einer Barge beladen werden zu können. Darüber hinaus ist das Entwässern des Hauptladedecks der Hubinsel problematisch.A disadvantage of the installation arrangement described is the fact that the jack-up platform requires a complex ballast system in order to be able to be loaded with a barge. In addition, draining the main cargo deck of the jack-up platform is problematic.

Es ist daher in einem ersten Aspekt Aufgabe der vorliegenden Erfindung, eine eingangs genannte Installationsanordnung zur Verfügung zu stellen, die die oben genannten Nachteile vermeidet.In a first aspect, it is therefore the object of the present invention to provide an installation arrangement mentioned at the outset which avoids the disadvantages mentioned above.

Es ist in einem zweiten Aspekt Aufgabe der vorliegenden Erfindung, ein Verfahren zum Aufbau einer Installationsplattform zur Verfügung zu stellen, das die oben genannten Nachteile vermeidet.In a second aspect, the object of the present invention is to provide a method for constructing an installation platform that avoids the disadvantages mentioned above.

Die Aufgabe wird in ihrem ersten Aspekt durch eine eingangs genannte Installationsanordnung mit den Merkmalen des Anspruchs 1 erfüllt.The object is achieved in its first aspect by an installation arrangement with the features of claim 1 mentioned at the outset.

Die Installationsanordnung umfasst zwei Hauptbauteile: zum einen eine Barge und zum anderen eine Hubinsel. Der Begriff der Barge ist hier weit zu verstehen; es kann sich um ein selbstfahrendes oder um ein nicht selbstfahrendes Schiff handeln, das vorzugsweise ein Hauptladedeck aufweist, auf dem Bauteile für Windkraftanlagen, Umspannstationen, Bohrinseln usw. transportiert werden können.The installation arrangement consists of two main components: one is a barge and the other is a jack-up platform. The term barge is to be understood broadly here; it may be self-propelled or non-self-propelled, preferably having a main cargo deck capable of transporting components for wind turbines, substations, oil rigs, etc.

Die Hubinsel ist selbstschwimmend ausgebildet. Sie kann selbstfahrend sein, d. h. einen Antrieb aufweisen, der es gestattet, die Hubinsel ohne zusätzliche Schlepper vom Hafen auf Lokation zu bringen. Die Hubinsel kann einen Kran, vorzugsweise Schwenkkran aufweisen, mit dem die Bauteile von der Barge entladen und direkt auf dem Meeresboden oder auf bereits erstellte Teilen aufgebaut
werden können.The jack-up platform is self-floating. It can be self-propelled, ie have a drive that makes it possible to bring the jack-up platform from the port to the location without additional tugs. The jack-up platform can have a crane, preferably a slewing crane, with which the components are unloaded from the barge and installed directly on the seabed or on parts that have already been created
can become.

Die Hubinsel weist einen vertikal zur Meeresoberfäche geschlitzten Rumpf auf, wobei der Begriff des Schlitzes hier auch weit zu verstehen ist. Der Schlitz kann eine Breite aufweisen, die durchaus die Hälfte, 60 %, 70 % oder noch mehr der Breite der Hubinsel insgesamt entlang des jeweiligen Querschnitts aufweist, und der Schlitz kann eine Länge aufweisen, die sich über die Hälfte, 60 %, 70 % oder sogar 80 % der Länge der Hubinsel erstreckt. Im Abschnitt des Schlitzes ist die Hubinsel vorzugsweise in einer Draufsicht U-förmig ausgebildet.The jack-up platform has a hull which is slotted vertically to the sea surface, the term slot also having a broad meaning here. The slot may have a width that is as much as half, 60%, 70% or even more of the width of the jack-up platform as a whole along the respective cross-section, and the slot may have a length that is over half, 60%, 70% or even 80% of the length of the jack-up platform. In the section of the slot, the jack-up platform is preferably U-shaped in plan view.

Eine Breite des Schlitzes ist größer als eine Breite der Barge. Vorzugsweise ist eine Breite des Schlitzes in jedem Querschnitt in Längsrichtung größer als eine zugehörende Breite der Barge. Dabei meint zugehörende Breite der Barge die Breite der Stelle der Barge, die bei einer in den Schlitz vollständig eingefahrenen Barge im gleichen Querschnitt angeordnet ist.A width of the slot is greater than a width of the barge. Preferably, a width of the slot in each longitudinal cross section is greater than an associated width of the barge. The associated width of the barge means the width of the point on the barge that is arranged in the same cross section when the barge is fully inserted into the slot.

Der Schlitz ist so ausgebildet, dass die Barge in den Schlitz einfahren kann oder auch wieder herausfahren kann.The slot is designed in such a way that the barge can move into the slot or also move out again.

Die Hubinsel weist verfahrbare Stützbeine auf. Dabei kann es sich um wenigstens drei Stützbeine handeln, vorzugsweise vier; es sind aber auch fünf, sechs oder jede höhere Anzahl an Stützbeinen denkbar. Die Stützbeine sind entlang einer Höhe relativ zum Rumpf der Hubinsel hin und her verfahrbar. Sie sind einzeln verfahrbar oder in Gruppen verfahrbar. Vorzugsweise sind die Stützbeine senkrecht zur Meeresoberfläche verfahrbar, wenn die Hubinsel im Meer schwimmt. Jedes der Stützbeine weist einen Hebemechanismus auf. Der Hebemechanismus ermöglicht es, den Rumpf der Hubinsel zusammen mit der in den Schlitz eingefahrenen Barge aus dem Meer herauszuheben, so dass in einer angehobenen Position der Hubinsel sowohl der Rumpf der Hubinsel als auch die Barge keinen Kontakt mehr mit der Meeresoberfläche haben.The jack-up platform has mobile support legs. There may be at least three support legs, preferably four; but there are also five, six or any higher number of support legs conceivable. The support legs are reciprocable along a height relative to the hull of the jack-up platform. They can be moved individually or in groups. Preferably, the support legs can be moved perpendicularly to the sea surface when the jack-up platform is floating in the sea. Each of the support legs has a lifting mechanism. The lifting mechanism makes it possible to lift the hull of the jack-up platform out of the sea together with the barge retracted into the slot, so that in a raised position of the jack-up platform both the hull of the jack-up platform and the barge are no longer in contact with the sea surface.

Erfindungsgemäß erstreckt sich der Schlitz entlang der gesamten Längsausdehnung der eingefahrenen Barge über die gesamte Höhe des Rumpfes, mit anderen Worten: die Hubinsel weist kein unter der Barge verlaufendes Hauptladedeck auf. Der Bereich meeresbodenseitig der Barge ist offen, weil sich der Schlitz über die gesamte Höhe der Hubinsel erstreckt. Erfindungsgemäß sind Haltemittel an der Barge und dem Schlitz angeordnet, die zusammenwirken und die Barge in der angehobenen Position positionsfest an der Hubinsel halten. Die Haltemittel können in unterschiedlicher Weise ausgebildet sein.According to the invention, the slot extends along the entire length of the retracted barge over the entire height of the hull, in other words: the jack-up platform does not have a main loading deck running under the barge. The seabed side of the barge is open because the slot extends the full height of the jack-up platform. According to the invention, holding means are arranged on the barge and the slot, which interact and hold the barge in the raised position in a fixed position on the jack-up platform. The holding means can be designed in different ways.

Die erfindungsgemäße Ausgestaltung der Hubinsel ermöglicht es zum einen, dass eine Barge ohne ein Ballastieren der Hubinsel in den Schlitz einfahren kann, und zum anderen ist beim Anheben der Hubinsel ein sofortiges und zügiges Entwässern des Schlitzes möglich, da die Hubinsel über kein Hauptladedeck zwischen den vorzugsweise parallel zueinander verlaufenden Schenkeln des Schlitzes verfügt.The design of the jack-up platform according to the invention makes it possible on the one hand for a barge to be able to enter the slot without ballasting the jack-up platform, and on the other hand when the jack-up platform is raised it is possible to drain the slot immediately and quickly, since the jack-up platform does not have a main loading deck between the preferably parallel legs of the slot has.

Die Haltemittel können beispielsweise durch Konsolen ausgebildet sein, die entlang der beiden sich gegenüberliegenden Innenseiten der Schenkel des Schlitzes verlaufen. Die Konsolen können durchgängig oder unterbrochen ausgebildet sein. Die Konsolen können innenseitig an den Innenwandungen des Schlitzes, aber auch gleichsam als innenseitige Verlängerung der meeresbodenseitigen Unterseite des Rumpfes ausgebildet sein. Im ersten Fall kann die Barge entsprechende seitliche Vorsprünge aufweisen, im zweiten Fall ist die Barge in ihrer meeresbodenseitigen Breite so ausgebildet, dass sie über die Konsolen verfahrbar ist und die Breite größer ist als der lichte Abstand der Konsolenstirnseiten voneinander.The holding means can be formed, for example, by brackets that run along the two opposite inner sides of the legs of the slot. The consoles can be continuous or interrupted. The consoles can be attached on the inside the inner walls of the slot, but also as an inner extension of the seabed-side underside of the hull. In the first case, the barge can have corresponding lateral projections; in the second case, the barge is designed in its seabed-side width such that it can be moved over the consoles and the width is greater than the clear distance between the console front sides.

Es sind jedoch auch andere Haltemittel, beispielsweise Arretiervorrichtungen o. Ä., denkbar. Konsolen haben jedoch den Vorteil, dass ein weiterer Befestigungsschritt nicht notwendig ist. Die Barge kann einfach selbst fahren oder durch entsprechende Seile oder Zugvorrichtungen in den Schlitz hineingezogen werden, und durch das Anheben der Hubinsel liegt die Barge von selbst auf den Konsolen auf und wird daher in der angehobenen Position positionsfest an der Hubinsel gehalten. Der Schlitz kann sich über wenigstens 30 %, vorzugsweise wenigstens 50 %, besonders bevorzugt wenigstens 90 % der Längsausdehnung des Rumpfes erstrecken. Damit die Hubinsel stabil auf dem Meeresboden stehen kann, ist wenigstens ein Stützbein günstigerweise bugseitig des Schlitzes angeordnet, es können auch zwei oder mehr Stützbeine bugseitig des Schlitzes angeordnet sein und gleichzeitig zwei oder mehr Stützbeine im heckseitigen Abschnitt der Hubinsel, also im Bereich des Schlitzes der Hubinsel, vorzugweise kann jeweils ein Stützbein an einem Schenkel des Schlitzes vorgesehen sein. Günstigerweise weist die Hubinsel einen Schwenkkran auf, der es ermöglicht, auf der Barge angeordnete Bauteile hochzuheben, seitlich zu verschwenken und an der gewünschten Stelle abzulassen, um beispielsweise offshore eine Windkraftanlage, eine Umspannstation oder eine Bohrinsel aufzubauen oder um schwere Komponenten wie beispielsweise Transformatoren offshore auszutauschen.However, other holding means, for example locking devices or the like, are also conceivable. However, consoles have the advantage that an additional fastening step is not necessary. The barge can simply drive itself or be pulled into the slot by appropriate ropes or pulling devices, and by raising the jack-up platform the barge rests on the consoles by itself and is therefore held in the raised position in a fixed position on the jack-up platform. The slit may extend over at least 30%, preferably at least 50%, more preferably at least 90% of the longitudinal extent of the body. So that the jack-up platform can stand stably on the seabed, at least one support leg is advantageously arranged on the bow side of the slot; two or more support legs can also be arranged on the bow side of the slot and, at the same time, two or more support legs in the stern section of the jack-up platform, i.e. in the area of the slot of the Jack-up platform, preferably one support leg can be provided on each leg of the slot. Conveniently, the jack-up platform has a slewing crane, which makes it possible to lift components arranged on the barge, pivot them sideways and lower them at the desired location, for example to set up a wind turbine, a substation or an oil rig offshore, or to replace heavy components such as transformers offshore .

Die Erfindung wird in ihrem zweiten Aspekt durch ein Verfahren mit den Merkmalen des Anspruchs 10 gelöst.The invention is solved in its second aspect by a method having the features of claim 10.

Das Verfahren eignet sich insbesondere zum Aufbau einer Installationsanordnung gemäß einer der oben genannten Installationsanordnungen. Umgekehrt kann jede der oben genannten Installationsanordnungen durch eines der nachfolgend beschriebenen Verfahren aufgebaut werden.The method is particularly suitable for constructing an installation arrangement in accordance with one of the installation arrangements mentioned above. Conversely, any of the above installation arrangements can be constructed by any of the methods described below.

Die Installationsanordnung umfasst eine Hubinsel und eine Barge. Die Hubinsel wird auf Lokation verbracht. Die Hubinsel weist einen vertikal zur Meeresoberfläche geschlitzten Rumpf mit einem Schlitz mit einer Schlitzbreite auf, die etwas größer als eine Breite der Barge ist, wobei sich der Schlitz entlang der gesamten Längsausdehnung der eingefahrenen Barge über die gesamte Höhe des Rumpfes erstreckt. Die Hubinsel ist selbstschwimmend.The installation arrangement includes a jack-up platform and a barge. The jack-up platform is brought to the location. The jack-up platform has a hull slotted vertically to the sea surface with a slot having a slot width slightly greater than a width of the barge, the slot extending along the entire longitudinal extent of the retracted barge over the entire height of the hull. The jack-up platform is self-floating.

Die Stützbeine werden nach dem Verbringen der Hubinsel herunterverfahren, bis sie auf dem Meeresboden aufgesetzt werden. Dieser Schritt kann jedoch auch später erfolgen.After the jack-up platform has been moved, the support legs are lowered until they are placed on the seabed. However, this step can also be done later.

Die Barge wird in den Schlitz der Hubinsel eingefahren, die Stützbeine können vorher oder nachher herunterverfahren werden. Die Haltemittel an der Barge und an dem Schlitz wirken zusammen, und die Hubinsel wird mit der Barge aus dem Wasser herausgehoben. Zum Herausheben wird ein herkömmliches Jacking System verwendet, das an den Stützbeinen der Hubinsel angeordnet ist.The barge is driven into the slot of the jack-up platform, the support legs can be lowered before or after. The holding means on the barge and on the slot cooperate and the jack-up platform is lifted out of the water with the barge. A conventional jacking system, located on the jack-up platform's support legs, is used for lifting.

Das erfindungsgemäße Verfahren ermöglicht es, die Hubinsel auf Lokation zu verfahren und auf Lokation von einem Ballastieren der Hubinsel abzusehen. Die Hubinsel braucht nicht weiter in das Meer abgesenkt zu werden. Die Barge kann in die auf Lokation verbrachte Hubinsel einfahren; ein erneutes Ballastieren ist ebenfalls nicht notwendig, sondern die Hubinsel kann mit eingefahrener Barge sofort mittels des Hebesystems der Stützbeine aus dem Meer herausgehoben werden.The method according to the invention makes it possible to move the jack-up platform to location and to refrain from ballasting the jack-up platform on location. The jack-up platform does not need to be lowered further into the sea. The barge can drive into the jack-up platform brought to the location; It is also not necessary to ballast again, but the jack-up platform can be lifted out of the sea immediately with the barge retracted using the lifting system of the support legs.

Vorzugsweise bildet die Barge beim Einfahren in den Schlitz ständig über ihre gesamte Längsausdehnung ihrer Unterwasserfläche einen lichten Abstand zum Meeresboden aus. Die Barge fährt daher nicht über einen Boden oder ein Deck, insbesondere kein Hauptladedeck, der Hubinsel, sondern sie fährt in einen Schlitz ein, der in Form einer Aussparung ausgebildet ist, die zum Meeresboden hin weitestgehend vollständig offen ist, so dass die Barge mit ihrer gesamten Unterwasserfläche einen lichten Abstand zum Meeresboden aufweist.When entering the slot, the barge preferably forms a clear distance from the seabed over its entire longitudinal extent of its underwater surface. Therefore, the barge does not drive over a floor or a deck, in particular no main loading deck, of the jack-up platform, but it drives into a slot that is designed in the form of a recess that is largely completely open to the seabed, so that the barge with its entire underwater surface has a clear distance to the seabed.

Die Erfindung wird anhand von Ausführungsbeispielen in dreizehn Figuren beschrieben:

Fig. 1
eine erfindungsgemäße Installationsanordung in einer ersten perspektivischen Ansicht,
Fig. 2
die erfindungsgemäße Installationsanordnung in einer zweiten perspektivischen Ansicht,
Fig. 3
die Installationsanordnung in einer dritten perspektivischen Ansicht,
Fig. 4
die Installationsanordnung der Fig. 1 in einer Draufsicht ohne Barge,
Fig. 5
eine Hubinsel der Installationsanordnung in heckseitiger perspektivischer Ansicht,
Fig. 6
eine perspektivische Draufsicht der Hubinsel ohne Barge,
Fig. 7
eine Draufsicht der Hubinsel mit Barge,
Fig. 8
eine Schnittansicht der Installationsanordnung senkrecht zum Schlitz,
Fig. 9a bis Fig. 9e
ein erfindungsgemäßes Verfahren zum Aufbau der Installationsanordnung in Fig. 1
The invention is described using exemplary embodiments in thirteen figures:
1
an installation arrangement according to the invention in a first perspective view,
2
the installation arrangement according to the invention in a second perspective view,
3
the installation arrangement in a third perspective view,
4
the installation arrangement of the 1 in a top view without barge,
figure 5
a jack-up platform of the installation arrangement in a rear perspective view,
6
a perspective top view of the jack-up platform without the barge,
7
a top view of the jack-up platform with barge,
8
a sectional view of the installation assembly perpendicular to the slot,
Figures 9a to 9e
a method according to the invention for constructing the installation arrangement in 1

Die erfindungsgemäße in den Figuren dargestellte Installationsanordnung umfasst eine Hubinsel 1 und eine Barge 2. Die Hubinsel 1 ist selbstschwimmend ausgebildet und kann auch selbst angetrieben sein. Die Hubinsel 1 weist einen Bug 3 auf und einen Heckabschnitt 4, der geschlitzt ist. Der Begriff eines Schlitzes 6 ist hier als Aussparung im Heckabschnitt 4 in einer Längsrichtung L der Hubinsel 1, die der üblichen Fahrtrichtung entspricht, zu verstehen, wobei der Schlitz 6 eine Breite Bs von etwa der Hälfte einer Breite BH der Hubinsel 1 entlang des jeweiligen Querschnitts haben kann.The installation arrangement according to the invention shown in the figures comprises a jack-up platform 1 and a barge 2. The jack-up platform 1 is designed to be self-floating and can also be self-propelled. The jack-up platform 1 has a bow 3 and a stern section 4 which is slotted. The term slot 6 is to be understood here as a recess in the rear section 4 in a longitudinal direction L of the jack-up platform 1, which corresponds to the usual direction of travel, with the slot 6 having a width Bs of approximately half a width B H of the jack-up platform 1 along the respective cross-section can have.

Der Schlitz 6 weist im abgebildeten Ausführungsbeispiel eine Breite Bs von 32,2 m und eine Länge Lsvon 100 m in der Ausführungsform gemäß Fig. 1 auf. Die Hubinsel 1 selbst kann eine Länge LH von 160 m und eine Breite BH von 60 m aufweisen, dies sind jedoch nur beispielhafte Maße.The slot 6 has a width Bs of 32.2 m in the illustrated embodiment and a length Ls of 100 m in the embodiment according to FIG 1 on. The jack-up platform 1 itself can have a length L H of 160 m and a width B H of 60 m, but these are only exemplary dimensions.

Der Schlitz 6 erstreckt sich entlang der Längsrichtung L, vorzugsweise entlang der gesamten Längsausdehnung der vollständig eingefahrenen Barge 2 über eine gesamte Höhe Hs eines Rumpfes 7. Insbesondere weist der Rumpf 7 im Bereich des Heckabschnitts 4 und des Schlitzes 6 kein Hauptladedeck auf. Der Schlitz 6 bildet zwei seitliche Schenkel 7a, 7b im Rumpf 7 aus, der Heckabschnitt 4 der Hubinsel 1 ist daher in einer Draufsicht im Wesentlichen U-förmig ausgebildet, und die U-Schenkel 7a, 7b weisen über ihre gesamte Längsausdehnung und über ihre gesamte Höhe einen lichten Abstand voneinander auf.The slot 6 extends along the longitudinal direction L, preferably along the entire length of the fully retracted barge 2 over an entire height Hs of a hull 7. In particular, the hull 7 has no main loading deck in the area of the stern section 4 and the slot 6. The slot 6 forms two lateral legs 7a, 7b in the hull 7, the rear section 4 of the jack-up platform 1 is therefore essentially U-shaped in a plan view, and the U-legs 7a, 7b point over their entire longitudinal extent and over their entire Set a clear distance apart.

Die Hubinsel 1 in der Fig. 1 umfasst vier Aussparungen, durch vier Sützbeine 9a, 9b, 9c, 9d geführt sind. Jedes der Stützbeine 9a, 9b, 9c, 9d ist mit einem Hebemechanismus versehen, der es gestattet, die Stützbeine 9a, 9b, 9c, 9d durch die Aussparung der Hubinsel 1 hindurch bis zum Meeresboden abzusenken und darüber hinaus den Rumpf 7 der Hubinsel 1 entlang der parallel zueinander angeordneten, senkrecht auf dem Meeresboden aufstehenden Stützbeine 9a, 9b, 9c, 9d aus dem Wasser heraus anzuheben, so dass der Rumpf 7 in einer angehobenen Position keinen Kontakt mehr zu einer Meeresoberfläche 17 hat.The jack-up platform 1 in the 1 comprises four recesses through which four supporting legs 9a, 9b, 9c, 9d are guided. Each of the support legs 9a, 9b, 9c, 9d is provided with a lifting mechanism which allows the support legs 9a, 9b, 9c, 9d to be lifted through the recess of the jack-up platform 1 down to the seabed and, in addition, to lift the hull 7 of the jack-up platform 1 out of the water along the support legs 9a, 9b, 9c, 9d, which are arranged parallel to one another and are perpendicular to the seabed, so that the hull 7 no longer makes contact in a raised position to a sea surface 17 has.

Die Hubinsel 2 umfasst einen Schwenkkran 8, der während des Transportes der Hubinsel 1 vom Hafen auf Lokation an den hochgefahrenen Stützbeinen 9a, 9b, 9c, 9d arretiert ist, um einen sicheren und bewegungsfreien Transport zu ermöglichen. Die Hubinsel 1 kann eine Hubschrauberlandefläche 11, eine Steuerbrücke 12 usw. aufweisen. Der Bug 3 der Hubinsel 1 ist entlang der Breite BH in jedem Querschnitt zusammenhängend ausgebildet. Zwischen beiden bugseitigen Stützbeinen 9a, 9b ist ein Deck vorgesehen, auf dem auch Bauteile transportiert werden können. Insbesondere ist in den Schlitz 6 gemäß Fig. 1 eine Barge 2 eingefahren. Die Barge 2 liegt mit in Längsrichtung L verlaufenden, seitlichen Vorsprüngen auf innenseitig der U-Schenkel 7a, 7b angeordneten Konsolen 13a, 13b in einer angehobenen Position positionsfest auf. Die Hubinsel 1 wird somit zusammen mit der Barge 2 beim Anheben der Installationsanordnung aus dem Meer herausgehoben.The jack-up platform 2 includes a slewing crane 8, which is locked during the transport of the jack-up platform 1 from the port to the raised support legs 9a, 9b, 9c, 9d to enable safe and motion-free transport. The jack-up platform 1 may have a helipad 11, a control bridge 12, and so on. The bow 3 of the jack-up platform 1 is formed continuously along the width B H in each cross section. A deck on which components can also be transported is provided between the two support legs 9a, 9b on the bow side. In particular, according to the slot 6 1 a barge 2 retracted. The barge 2 rests in a fixed position in a raised position with lateral projections running in the longitudinal direction L on consoles 13a, 13b arranged on the inside of the U-legs 7a, 7b. The jack-up platform 1 is thus lifted out of the sea together with the barge 2 when the installation arrangement is raised.

Fig. 2 zeigt die Hubinsel in Fig. 1 in einer geringfügig seitlicheren Ansicht, so dass die Konsolen 13,a, 13b zwischen Barge 2 und Schlitz 6 zu sehen sind. An dem Schlitz 6 sind innenseitig der Innenwandungen der Schenkel 7a, 7b die Konsolen 13a, 13b angeordnet, die sich beinahe über die gesamte Längsausdehnung des Schlitzes 7 entlang jeder der beiden Schenkel 7a, 7b, erstrecken. 2 shows the jack-up platform in 1 in a slightly more lateral view, so that the brackets 13a, 13b between barge 2 and slot 6 can be seen. On the inside of the inner walls of the legs 7a, 7b, the brackets 13a, 13b are arranged on the slot 6 and extend almost over the entire longitudinal extent of the slot 7 along each of the two legs 7a, 7b.

Die Hubinsel 1ist so ausgebildet, dass sie bei hochgezogenen Stützbeinen 9a, 9b, 9c, 9d wie in Fig. 2 mit und auch ohne in den Schlitz 6 eingefahrener Barge 2 auf der Meeresoberfläche selbständig schwimmt und mittels eines nicht dargestellten Antriebs auch selbstfahrend auf Lokation gebracht werden kann. Die als Konsolen 13a, 13b ausgebildeten schlitzseitigen Haltemittel sind in einer derartigen Höhe gegenüber dem Meeresspiegel und an dem Schenkel 7a, 7b angeordnet, dass eine der Hubinsel 1 zugeordnete und auf die Hubinsel 1 konstruierte Barge 2, die in Fig. 2 bereits in den Schlitz 6 eingefahren ist, seitliche Vorsprünge 16a, 16b in einer solchen Höhe H aufweist, dass die seitlichen Vorsprünge 16a, 16b der beladenen Barge 2 oberhalb der Konsolen 13a, 13b angeordnet sind, d. h. vom Meeresboden aus gesehen höher beabstandet angeordnet sind als die Konsolen 13, 13b der Hubinsel, so dass die Barge mit ihren seitlichen Vorsprüngen 16a, 16b über die Konsolen 13a, 13b in den Schlitz 6 der Hubinsel 1 hineinfahren kann oder in ihn hineingezogen werden kann. Ein bugseitiger Abschnitt einer äußeren Umfangsform der Barge 2 entspricht dazu der inneren Umfangsform des Schlitzes 7, die äußere Form der Barge 2 ist so ausgebildet, dass sie in einer Breite BB und einer Länge LB etwas kleiner ist als die lichte Breite Bs des Schlitzes 7 und auch als die lichte Länge Ls des Schlitzes 7 ausgebildet ist, so dass sie vollständig gemäß Fig. 2 im Schlitz 6 aufgenommen werden kann.The jack-up platform 1 is designed in such a way that, when the support legs 9a, 9b, 9c, 9d are raised, as in 2 with and without the barge 2 retracted into the slot 6 floats independently on the sea surface and can also be brought to the location in a self-propelled manner by means of a drive (not shown). The slot-side holding means designed as brackets 13a, 13b are arranged at such a height relative to sea level and on the leg 7a, 7b that a barge 2 assigned to the jack-up platform 1 and constructed on the jack-up platform 1, which in 2 has already entered the slot 6, has lateral projections 16a, 16b at such a height H that the lateral projections 16a, 16b of the loaded barge 2 are arranged above the consoles 13a, 13b, ie are arranged at a higher distance from the seabed than the brackets 13, 13b of the jack-up platform, so that the barge with its lateral projections 16a, 16b can move over the brackets 13a, 13b into the slot 6 of the jack-up platform 1 or can be pulled into it. For this purpose, a bow-side section of an outer peripheral shape of the barge 2 corresponds to the inner peripheral shape of the slot 7, the outer shape of the barge 2 is designed in such a way that in a width B B and a length L B is formed slightly smaller than the clear width Bs of the slit 7 and also than the clear length Ls of the slit 7 so that it is completely in accordance with 2 can be accommodated in slot 6.

Fig. 3 zeigt die Installationsanordnung in einer bugseitigen seitlichen Ansicht, die Hubinsel 1 weist am Bug 3 die Steuerbrücke 12 auf, von der aus die Hubinsel 1 gesteuert werden kann. Der Schwenkkran 8 ist in Fig. 3 eingefahren. 3 shows the installation arrangement in a bow-side lateral view, the jack-up platform 1 has the control bridge 12 on the bow 3, from which the jack-up platform 1 can be controlled. The slewing crane 8 is in 3 retracted.

Fig. 4 zeigt die Hubinsel der Fig. 1 bis Fig. 3 in einer Draufsicht. Der Schlitz 6 der Hubinsel 1 erstreckt sich in Längsrichtung L über wenigstens 50%, vorzugsweise wenigstens 60%, besonders bevorzugt wenigstens 70 % oder 80% der Längsausdehnung der Hubinsel 1. Der Schlitz 6 weist die über seine beinahe gesamte Längsausdehnung konstante Breite Bs auf, die etwa die Hälfte der Breite BH der Hubinsel ausmacht. Die Breite kann aber auch wenigstens 40 % oder wenigstens 60 % der Breite BH der Hubinsel 1 im Heckabschnitt 4 ausmachen. Die Konsolen 13a, 13b laufen entlang der Innenseiten der U-Schenkel 17a, 17b des Schlitzes 6. Sie weisen eine Länge auf, die etwa der Hälfte, vorzugsweise wenigstens 60 %, vorzugsweise wenigstens 70 %, vorzugsweise wenigstens 80 % der Länge Ls des Schlitzes 6 entspricht. 4 shows the jack-up platform Figures 1 to 3 in a top view. The slot 6 of the jack-up platform 1 extends in the longitudinal direction L over at least 50%, preferably at least 60%, particularly preferably at least 70% or 80% of the longitudinal extent of the jack-up platform 1. The slot 6 has a constant width Bs over almost its entire longitudinal extent, which accounts for about half the width B H of the jack-up platform. However, the width can also be at least 40% or at least 60% of the width B H of the jack-up platform 1 in the rear section 4 . The brackets 13a, 13b run along the inner sides of the U-legs 17a, 17b of the slot 6. They have a length which is approximately half, preferably at least 60%, preferably at least 70%, preferably at least 80% of the length Ls of the slot 6 corresponds.

Fig. 5 zeigt die Hubinsel 1 in Fig. 2 ohne den Schwenkkran 8 in einer heckseitigen Ansicht, die die Konsolen13a, 13b noch etwas deutlicher zeigt. figure 5 shows jack-up platform 1 in 2 without the slewing crane 8 in a rear view that shows the consoles 13a, 13b a little more clearly.

In der Fig. 6 ist die Hubinsel 1 in einer Draufsicht aus einer heckseitigen Perspektive dargestellt, in der ebenfalls die beiden Konsolen 13a, 13b sowie die U-förmige Ausgestaltung des Heckabschnitts 4 der Hubinsel 1 zu erkennen sind.In the 6 the jack-up platform 1 is shown in a top view from a rear perspective, in which the two brackets 13a, 13b and the U-shaped configuration of the rear section 4 of the jack-up platform 1 can also be seen.

Fig. 7 zeigt eine Draufsicht der Hubinsel 1 in Fig. 2 mit eingefahrener Barge 2. Grundsätzlich ist der Begriff der Barge 2 weit auszulegen; es kann ein selbstfahrendes oder nicht selbstfahrendes Schiff sein, vorzugsweise mit einem im Wesentlichen ebenen Hauptladedeck, auf dem auch durchaus sehr schwere Bauteile transportiert werden können. 7 shows a plan view of the jack-up platform 1 in 2 with retracted barge 2. In principle, the term barge 2 is to be interpreted broadly; it can be a self-propelled or non-self-propelled ship, preferably with an essentially flat main loading deck, on which very heavy components can also be transported.

Fig. 8 zeigt eine mögliche Form der Ausbildung der Haltemittel 13a, 13b, 7a, 7b in einer prinzipiellen Ausbildung in einer Schnittansicht. Die beiden Schenkel 7a, 7b im Heckabschnitt 4 der Hubinsel 1 sind seitlich angeordnet. Am meeresbodenseitigen Ende der Schenkel 7a, 7b ist jeweils eine der Konsolen 13a, 13b angeordnet, die innenseitig in den lichten Abstand zwischen den Schenkeln7a, 7b hinein abstehen. Die Konsole 13a, 13b ist dazu bestimmt, dass eine Barge 2 mit seitlichen Vorsprüngen 16a, 16b auf den Konsolen13a, 13b im eingefahrenen Zustand aufliegt, wenn die Hubinsel 1 an ihren Stützbeinen 9a, 9b, 9c, 9d aus dem Meer herausgehoben wird. 8 shows a possible form of the design of the holding means 13a, 13b, 7a, 7b in a basic design in a sectional view. The two legs 7a, 7b in the rear section 4 of the jack-up platform 1 are arranged laterally. One of the brackets 13a, 13b is arranged at the end of the legs 7a, 7b on the sea bottom side, which protrude on the inside into the clearance between the legs 7a, 7b. The console 13a, 13b is intended that a barge 2 with lateral projections 16a, 16b on the consoles 13a, 13b in the retracted State rests when the jack-up platform 1 is lifted out of the sea on its support legs 9a, 9b, 9c, 9d.

Fig. 8 zeigt die Installationsanordnung ohne die Stützbeine 9a, 9b, 9c, 9d in einem angehobenen Zustand der Hubinsel 1 und der Barge 2 über der Meeresoberfläche 17. 8 shows the installation arrangement without the support legs 9a, 9b, 9c, 9d in a raised state of the jack-up platform 1 and the barge 2 above the sea surface 17.

In den Fig. 9a, 9b, 9c, 9d, 9e ist ein Verfahren zum Aufbau einer Installationsanordnung der Figuren 1 bis 8 dargestellt. Die Installationsanordnung umfasst die Hubinsel 1 und die Barge 2.In the 9a, 9b , 9c, 9d , 9e is a method for constructing an installation arrangement of Figures 1 to 8 shown. The installation arrangement includes jack-up platform 1 and barge 2.

Zunächst wird die Hubinsel 1 auf Lokation verbracht gemäß Fig. 9a. Die Hubinsel 1 kann selbstfahrend sein und ohne einen weiteren Schlepper o. Ä. selbst auf Lokation verfahren.First, the jack-up platform 1 is moved to location according to Figure 9a . The jack-up platform 1 can be self-propelled and without another tractor or similar. go to the location yourself.

Die in Fig. 9b dargestellte Barge 2 ist üblicherweise mit Bauteilen beladen, die für eine auf Lokation zu errichtende technische Anlage wie eine Windkraftanlage, eine Umspannplattform oder eine Ölplattform oder jeweils Komponenten davon bestimmt sind. In Fig. 9b ist das Hauptladedeck der Barge 2 allerdings leer. Die Barge 2 wird senkrecht aus heckseitiger Richtung in den Schlitz 6 eingefahren. In Fig. 9b ist der Bug 3 der Barge 2 bereits ein Stück weit in den Schlitz 6 der Hubinsel 1 eingefahren. Der Schwenkkran 8 befindet sich im arretierten Zustand.In the Figure 9b The barge 2 shown is usually loaded with components that are intended for a technical system to be erected on site, such as a wind turbine, a transformer platform or an oil platform, or components thereof. In Figure 9b however, the main cargo deck of the Barge 2 is empty. The barge 2 is driven vertically into the slot 6 from the stern direction. In Figure 9b the bow 3 of the barge 2 has already moved a little way into the slot 6 of the jack-up platform 1. The slewing crane 8 is in the locked state.

In einem dritten Verfahrensschritt ist die Barge 2 bereits vollständig in den Schlitz 6 der Hubinsel 1 eingefahren und ist, was Fig. 9c nicht zeigt, mit ihren seitlichen Vorsprüngen 16a, 16b oberhalb der Konsolen 13a, 13b der Hubinsel 1 angeordnet. Sollte die Barge 2 so stark beladen sein, dass sie zu tief im Wasser liegt und ihre seitlichen Vorsprünge 16a, 16b nicht oberhalb der Konsolen 13a, 13b angeordnet sind vor dem Einfahren in den Schlitz 6, besteht die Möglichkeit der Ballastierung. Die Hubinsel 1 weist Kammern auf, die mit Meerwasser geflutet werden können, so dass sich die Hubinsel 1 im Meer relativ zur Meeresoberfläche 17 absenkt. Die Hubinsel 1 wird so weit abgesenkt, dass ihre Konsolen 13a, 13b unterhalb der seitlichen Vorsprünge 16a, 16b der Barge 2 angeordnet sind, so dass die Barge 2 in den Schlitz 6 hineingezogen werden kann. Dafür können Seile oder andere Zugmechanismen vorgesehen sein, die in den Figuren nicht dargestellt sind.In a third step, the barge 2 is already fully retracted into the slot 6 of the jack-up platform 1 and what 9c not shown, arranged with their lateral projections 16a, 16b above the brackets 13a, 13b of the jack-up platform 1. If the barge 2 is so heavily loaded that it lies too deep in the water and its lateral projections 16a, 16b are not arranged above the brackets 13a, 13b before it enters the slot 6, there is the possibility of ballasting. The jack-up platform 1 has chambers that can be flooded with seawater, so that the jack-up platform 1 lowers in the sea relative to the sea surface 17 . The jack-up platform 1 is lowered so far that its brackets 13a, 13b are arranged below the lateral projections 16a, 16b of the barge 2, so that the barge 2 can be pulled into the slot 6. Ropes or other pulling mechanisms, which are not shown in the figures, can be provided for this.

in Fig. 9d sind die Stützbeine 9a, 9b, 9c, 9d auf den Meeresboden abgesenkt, und jeder ihrer Füße ist in Kontakt mit dem Meeresboden. Die Hubinsel 1 wird jetzt mit dem Hebemechanismus, einem Jacking-System, aus dem Meer herausgehoben.in Figure 9d the support legs 9a, 9b, 9c, 9d are lowered to the seabed and each of their feet is in contact with the seabed. Jack-up platform 1 is now being lifted out of the sea using the lifting mechanism, a jacking system.

Fig. 9e zeigt die Hubinsel in der angehobenen Position. Die vier Stützbeine 9a, 9b, 9c, 9d sind jeweils einzeln relativ zum Rumpf 7 der Hubinsel 1 verfahrbar. Dafür ist ein Hebemechanismus in Form eines Jacking Systems o. Ä. vorgesehen. Zunächst werden die Stützbeine 9a, 9b, 9c, 9d auf den Meeresboden abgesenkt, bis jedes der Stützbeine 9a, 9b, 9c, 9d Kontakt mit dem Meeresboden hat. Grundsätzlich kann dieses Absenken der Stützbeine 9a, 9b, 9c, 9d auf den Meeresboden auch erfolgen, bevor die Barge 2 in den Schlitz 6 eingeführt ist. Fig. 9e shows the jack-up platform in the raised position. The four support legs 9a, 9b, 9c, 9d can each be moved individually relative to the hull 7 of the jack-up platform 1. A lifting mechanism in the form of a jacking system or similar is required for this. intended. First, the support legs 9a, 9b, 9c, 9d are lowered onto the seabed until each of the support legs 9a, 9b, 9c, 9d is in contact with the seabed. In principle, this lowering of the support legs 9a, 9b, 9c, 9d onto the seabed can also take place before the barge 2 is introduced into the slot 6.

Nach dem Absenken der Stützbeine 9a, 9b, 9c, 9d auf den Meeresboden sind die Stützbeine 9a, 9b, 9c, 9d senkrecht zum Meeresboden angeordnet und parallel zueinander angeordnet. Das Hebesystem ermöglicht es, den Rumpf 7 der Hubinsel 1 samt der auf den Konsolen 13a, 13b aufliegenden Barge 2 aus dem Meer heraus anzuheben, so dass sowohl die Barge 2 als auch der Rumpf 7 der Hubinsel 1 nach dem Anheben keinerlei Kontakt mehr mit der Meeresoberfläche 17 haben. Der angehobene Zustand ist in der Fig. 9d dargestellt.After lowering the support legs 9a, 9b, 9c, 9d to the seabed, the support legs 9a, 9b, 9c, 9d are arranged perpendicularly to the seabed and arranged parallel to each other. The lifting system makes it possible to lift the hull 7 of the jack-up platform 1 together with the barge 2 resting on the brackets 13a, 13b out of the sea, so that both the barge 2 and the hull 7 of the jack-up platform 1 no longer have any contact with the sea surface 17 have. The raised state is in the Figure 9d shown.

BezugszeichenlisteReference List

11
Hubinseljack-up platform
22
Bargebarges
33
Bugbow
44
Heckabschnitttail section
66
Schlitzslot
7a7a
Schenkelleg
7b7b
Schenkelleg
88th
Schwenkkranslewing crane
9a9a
Stützbeinsupporting leg
9b9b
Stützbeinsupporting leg
9c9c
Stützbeinsupporting leg
9d9d
Stützbeinsupporting leg
1111
Hubschrauberlandeflächehelipad
1212
Steuerbrückecontrol bridge
13a13a
Konsoleconsole
13b13b
Konsoleconsole
16a16a
seitlicher Vorsprunglateral protrusion
16b16b
seitlicher Vorsprunglateral protrusion
1717
Meeresoberflächesea surface
BB
BreiteBroad
BBbb
Breite der Bargewidth of the barge
BHbra
Breite der Hubinselwidth of the jack-up platform
BsBs
Breite des Schlitzeswidth of the slot
HH
HöheHeight
HsHs
Höhe des Schlitzesheight of the slot
LL
Längsrichtunglongitudinal direction
LBLB
Länge der Bargelength of the barge
LHLH
Länge der Hubinsellength of jack-up platform
LsLs
Länge des Schlitzeslength of the slit

Claims (11)

  1. Installation arrangement with a barge (2) and a jack-up rig (1) which floats in a first position on the sea and has a hull (7) which is slotted vertically with respect to the surface (17) of the sea and has a slot width which is greater than a width (BB) of the barge (2) so that the barge (2) can move into a slot (6), wherein the jack-up rig (1) has supporting legs (9a, 9b, 9c, 9d) which can move to and fro along a height (H) relative to the hull (7) and can be set down on the seabed, and the hull (7) can be lifted, together with the barge (2) which has moved in, out of the water into a raised position by means of a lifting mechanism along the support legs (9a, 9b, 9c, 9d) which have been set down on the seabed, characterised in that the slot (6) extends along the entire longitudinal extent of the barge (2) which has moved in, over the entire height (H) of the hull (7), and that securing means (13a, 13b) are arranged on the barge (2) and on the slot (6) and said securing means interact and secure the barge (2) in the raised position in a fixed position on the jack-up rig (1).
  2. Installation arrangement according to claim 1, characterised in that the slot (6) extends along at least 30% of its longitudinal extent over the entire height of the hull (7).
  3. Installation arrangement according to claim 2, characterised in that the slot (6) extends along at least 50% of its longitudinal extent over the entire height of the hull (7).
  4. Installation arrangement according to claim 3, characterised in that the slot (6) extends along at least 90% of its longitudinal extent over the entire height of the hull (7).
  5. Installation arrangement according to claim 1, characterised in that at least one of the supporting legs (9a, 9b, 9c, 9d) is arranged on the bow side of the slot (6).
  6. Installation arrangement according to claim 1, characterised in that a slewing crane (8) is arranged on the jack-up rig (1).
  7. Installation arrangement according to claim 1, characterized in that lateral inner walls of the slot (6) which lie opposite one another each have at least one bracket on which the barge (2) rests in the raised position.
  8. Installation arrangement according to claim 1, characterised in that the jack-up rig (1) has no main loading deck,
  9. Installation arrangement according to claim 1, characterised in that the slot (6) separates the hull (7) along the slot (6) into two branches (7a, 7b) which are completely spaced apart from one another by a clear distance.
  10. Method for setting up an installation arrangement with a barge (2) and a jack-up rig (1), by
    the jack-up rig (1) with a hull (7) slotted vertically to the surface (17) of the sea and a slot (6) with a slot width which is greater than a width (BB) of the barge (2),
    wherein the slot (6) extends along the entire longitudinal extent of the barge (2) which has moved in, over the entire height (H) of the hull (7),
    being brought to the location by self-floating,
    supporting legs (9a, 9b, 9c, 9d) being lowered onto the seabed and setting down on the seabed,
    the barge (2) moving into the slot (6) of the jack-up rig (1)
    and securing means (13a, 13b) on the barge (2) and the slot (6) interacting, and
    the jack-up rig 1 being lifted out of the water with the barge 2.
  11. Method according to claim 10, characterised in that as the barge (2) moves into the slot (6) it continuously has a clear distance from the seabed over the entire longitudinal extent of its underwater surface.
EP20732190.2A 2019-06-26 2020-06-09 Installation arrangement with jack-up rig and a barge and a method for setting up the installation arrangement Active EP3990705B1 (en)

Applications Claiming Priority (2)

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DE102019117268.3A DE102019117268B4 (en) 2019-06-26 2019-06-26 Installation arrangement with jack-up platform and a barge and a method for setting up the installation arrangement
PCT/EP2020/065982 WO2020260011A1 (en) 2019-06-26 2020-06-09 Installation arrangement with jack-up rig and a barge and a method for setting up the installation arrangement

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EP3990705A1 EP3990705A1 (en) 2022-05-04
EP3990705C0 EP3990705C0 (en) 2023-07-19
EP3990705B1 true EP3990705B1 (en) 2023-07-19

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EP (1) EP3990705B1 (en)
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Publication number Priority date Publication date Assignee Title
GB2612616B (en) 2021-11-05 2024-06-19 Harmony Marine Shipbrokers Ltd Multi-deck jack up

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Publication number Priority date Publication date Assignee Title
US3537413A (en) 1969-10-02 1970-11-03 Thomas Rankine Farrell Sea-going cargo transportation facilities
DK201001043A (en) 2010-11-18 2012-05-19 Chartering & Marine Consultants As Vessel for transport and handling means offshore, method and uses hereof
DE202015008004U1 (en) 2015-11-19 2016-03-17 Ravestein Container Pontoon B.V. Floatable lift pontoon
GB2555414A (en) 2016-10-25 2018-05-02 Henry Abram & Sons Ltd Improvements in or relating to shipping
GB2567218B (en) 2017-10-06 2020-04-15 Offshore Decommissioning Services Ltd A semi submersible vessel for manipulating offshore infrastructures
EP3473536A1 (en) 2017-10-23 2019-04-24 Logima ApS A self-propelled offshore installation vessel
DK180345B1 (en) * 2019-04-01 2021-01-15 Maersk Supply Service As A method of securing and transferring a load between a vessel and an offshore installation and an apparatus therefor
US11168666B1 (en) * 2020-10-29 2021-11-09 Deme Offshore Be Nv Jack-up platform with receiving space for a barge and method for offshore installation of a wind turbine

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DE102019117268B4 (en) 2024-09-26
DE102019117268A1 (en) 2020-12-31
EP3990705C0 (en) 2023-07-19
US11795647B2 (en) 2023-10-24
WO2020260011A1 (en) 2020-12-30
EP3990705A1 (en) 2022-05-04

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