WO2010013990A1 - Procédé permettant de construire des plateformes marines flottantes à partir de dalles de béton et dalles utilisées à cet effet - Google Patents

Procédé permettant de construire des plateformes marines flottantes à partir de dalles de béton et dalles utilisées à cet effet Download PDF

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Publication number
WO2010013990A1
WO2010013990A1 PCT/MX2008/000142 MX2008000142W WO2010013990A1 WO 2010013990 A1 WO2010013990 A1 WO 2010013990A1 MX 2008000142 W MX2008000142 W MX 2008000142W WO 2010013990 A1 WO2010013990 A1 WO 2010013990A1
Authority
WO
WIPO (PCT)
Prior art keywords
dovela
segments
platform
sections
pontoons
Prior art date
Application number
PCT/MX2008/000142
Other languages
English (en)
Spanish (es)
Inventor
Jorge Toledo Mosqueira
Original Assignee
A Mas T Sociedad Civil
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 A Mas T Sociedad Civil filed Critical A Mas T Sociedad Civil
Publication of WO2010013990A1 publication Critical patent/WO2010013990A1/fr

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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 
    • B63B5/00—Hulls characterised by their construction of non-metallic material
    • B63B5/14—Hulls characterised by their construction of non-metallic material made predominantly of concrete, e.g. reinforced
    • B63B5/18—Hulls characterised by their construction of non-metallic material made predominantly of concrete, e.g. reinforced built-up from elements
    • 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

  • marine platforms specially designed for the extraction of oil and gas in the sea have been manufactured in the world, there are two kinds of such marine platforms.
  • a class is characterized because they are supported by the sea floor, which is made possible, by the size of the platforms, and by the depth of the area in which they are settled.
  • the other class of platforms has the particularity that they are floating, which can remain in place by means of tensioners anchored to the seabed, or, through a propulsion system controlled by a global positioning system (GPS), in order to prevent it from moving from its place of operation.
  • GPS global positioning system
  • existing floating marine platforms are composed of pontoons and monolithic concrete structures, that is, castings in a single stage, a short distance from the coast, in order to prevent the concrete It will be used in its casting, present a setting or premature hardening during the journey from the coast to the place where the platforms are being manufactured. Therefore, the manufacturing process of this kind of platforms must be carried out in water with a depth that allows its construction, and once finished they can be transported to the desired point in the sea.
  • This invention consists of a manufacturing and assembly process different from those that currently exist, since the floating marine platform is composed of prefabricated concrete segments, which due to their dimensions can be manufactured on land without geographical limitations, and which they will form the definitive pontoons that will support the platform.
  • This invention has been initially created with the intention of allocating it to the exploitation of hydrocarbons in deep waters.
  • its application is not limited solely to the field of the oil industry, since it may vary depending on the economic and social needs of the world.
  • Figure 1 shows the floating unit called prefabricated prestressed concrete dovela, constructed in a dry dock designed for this purpose on the mainland, this part being the novel manufacturing of this invention.
  • segment has the peculiarity that it is manufactured by means of the collapsible formwork process towards the inside of the section; of external sliding for its walls and fixed formwork for its bottom.
  • Other features esenci ⁇ les de la dovela is its tongue and groove system (No. 1), which allows a better coupling between segments, as well as the space or hole that is left in its internal part when manufactured, which is used to sink it, or , to regulate its buoyancy, as in subsequent lines will be explained.
  • these docks When finished manufacturing the segments in the dry docks, these docks are flooded to cause the segments to float and so they can be towed to the desired place in the sea where the platform is intended to be put into operation, to begin assembly .
  • boat-type pontoons are placed (No. 2), to provisionally support the platform.
  • the first dovela is located, at the desired point of the sea with the help of the rail-style cranes (No. 3), water is pumped inside it with the purpose of sinking it to a necessary point to later place it on the next dovela.
  • the water is removed from the first dovela in the same way by pumping, thus causing it to float and support the dovela that was placed on top of it, embedding both segments through its system of tongue and groove (No. 1).
  • post-tensioning of the upper part of the first and lower part of the second is carried out, and the union is cast with impermeable material, to ensure its behavior as a single element.
  • Number of definitive pontoons (No. 4) and floating segments will vary according to the calculation of the load that the platform will support.
  • seismic isolators are placed on top of each of the definitive pontoons (No. 4), as shown in Ia figure 4; which are made of neoprene plates with a lead center, whose function is to reduce the negative effect of the waves on the operations of the platform as well as the earthquake conditions on the High Seas.
  • Figure 7 shows the finished platform
  • the fundamental features of this invention is that the segments that serve as the basis for the construction of the platform, they are made of waterproof concrete with high performance and resistance; In addition to the post-tensioning that are carried out among themselves, according to the dimensions of the platform, load capacities and buoyancy thrust required. In addition to being designed to withstand various inclement weather, tidal waves or other natural phenomena, as it will have seismic insulators.
  • Another feature of this platform in that it allows it to be manufactured on the coast or beach and then transferred by trailers, to the site where the platform is intended to be mounted, regardless of the distance and depth of the waters, being another important feature of this invention , that due to the dimensions of the dovela, it has the ability to float on its own.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Architecture (AREA)
  • Structural Engineering (AREA)
  • Revetment (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

L'invention porte sur un procédé qui permet de construire des plateformes marines flottantes à partir de dalles de béton. Selon l'invention, on remorque les dalles flottantes jusqu'au lieu de l'assemblage, on pompe de l'eau à l'intérieur de la première dalle, ensuite on place la dalle suivante à la verticale sur la première dalle. On extrait l'eau de la première dalle afin qu'elle remonte et vienne s'emboîter dans la seconde dalle par le biais d'un accouplement à languettes et rainures, les deux dalles restant en flottaison. On unit les dalles au moyen d'un élément de post-tension et en coulant un matériau imperméable liant, l'opération étant renouvelée pour les dalles suivantes jusqu'à ce que la colonne soit achevée. On réintroduit alors de l'eau dans les dalles afin qu'elles atteignent la position dans laquelle se trouvera la plateforme. L'invention se rapporte également à des dalles flottantes à languettes et rainures.
PCT/MX2008/000142 2008-07-28 2008-10-24 Procédé permettant de construire des plateformes marines flottantes à partir de dalles de béton et dalles utilisées à cet effet WO2010013990A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
MX2008009677A MX2008009677A (es) 2008-07-28 2008-07-28 Plataforma marina flotante a base de dovelas prefabricadas de concreto.
MXMX/A/2008/009677 2008-07-28

Publications (1)

Publication Number Publication Date
WO2010013990A1 true WO2010013990A1 (fr) 2010-02-04

Family

ID=41610565

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/MX2008/000142 WO2010013990A1 (fr) 2008-07-28 2008-10-24 Procédé permettant de construire des plateformes marines flottantes à partir de dalles de béton et dalles utilisées à cet effet

Country Status (2)

Country Link
MX (1) MX2008009677A (fr)
WO (1) WO2010013990A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3698198A (en) * 1971-02-12 1972-10-17 Warren Petroleum Corp Deep-water drilling, production and storage system
EP0071297A1 (fr) * 1981-07-23 1983-02-09 Ingenieursbureau H. Veth B.V. Pilier pour constituer une plateforme de forage ou de production
FR2674899A1 (fr) * 1991-04-05 1992-10-09 Starkier Henri Installation pour effectuer des forages et des pompages sous-marins.
US6190089B1 (en) * 1998-05-01 2001-02-20 Mindoc, Llc Deep draft semi-submersible offshore structure
US6244785B1 (en) * 1996-11-12 2001-06-12 H. B. Zachry Company Precast, modular spar system
WO2002092425A1 (fr) * 2001-04-27 2002-11-21 Mpu Enterprise As Structure de plate-forme flottante polyvalente et son procede de construction

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3698198A (en) * 1971-02-12 1972-10-17 Warren Petroleum Corp Deep-water drilling, production and storage system
EP0071297A1 (fr) * 1981-07-23 1983-02-09 Ingenieursbureau H. Veth B.V. Pilier pour constituer une plateforme de forage ou de production
FR2674899A1 (fr) * 1991-04-05 1992-10-09 Starkier Henri Installation pour effectuer des forages et des pompages sous-marins.
US6244785B1 (en) * 1996-11-12 2001-06-12 H. B. Zachry Company Precast, modular spar system
US6190089B1 (en) * 1998-05-01 2001-02-20 Mindoc, Llc Deep draft semi-submersible offshore structure
WO2002092425A1 (fr) * 2001-04-27 2002-11-21 Mpu Enterprise As Structure de plate-forme flottante polyvalente et son procede de construction

Also Published As

Publication number Publication date
MX2008009677A (es) 2010-01-27

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