EP1259420A1 - Catamaran de levage de submersible lourd - Google Patents

Catamaran de levage de submersible lourd

Info

Publication number
EP1259420A1
EP1259420A1 EP00908114A EP00908114A EP1259420A1 EP 1259420 A1 EP1259420 A1 EP 1259420A1 EP 00908114 A EP00908114 A EP 00908114A EP 00908114 A EP00908114 A EP 00908114A EP 1259420 A1 EP1259420 A1 EP 1259420A1
Authority
EP
European Patent Office
Prior art keywords
barge
stability
deck box
metres
floating
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.)
Withdrawn
Application number
EP00908114A
Other languages
German (de)
English (en)
Inventor
Dirk Van Der Lely
Willem Hendrik Jolles
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.)
Workships Contractors BV
Original Assignee
Workships Contractors 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 Workships Contractors BV filed Critical Workships Contractors BV
Publication of EP1259420A1 publication Critical patent/EP1259420A1/fr
Withdrawn legal-status Critical Current

Links

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
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • 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 
    • B63B1/00—Hydrodynamic or hydrostatic features of hulls or of hydrofoils
    • B63B1/02—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement
    • B63B1/10—Hydrodynamic or hydrostatic features of hulls or of hydrofoils deriving lift mainly from water displacement with multiple hulls
    • B63B1/107—Semi-submersibles; Small waterline area multiple hull vessels and the like, e.g. SWATH

Definitions

  • the invention concerns a submersible heavy lift barge comprising: at least one floating body; - an essentially rectangular deck box arranged on and carried by the at least one floating body; at each corner of the deck box a stability tower; water ballast tanks arranged in the at least one floating body and/or in the stability towers; - one or more ballast water pumps and/or air compressors for ballasting or deballasting the water ballast tanks.
  • Such submersible barges are known. They are used as dry dock or floating dock as well as for transporting heavy loads, such as submersible drilling platforms.
  • the known barges consist of a so called 'deck box' supported on one floating body extending under essentially the entire deck box.
  • In order to load a ship on the barge one fills the water ballast tanks with water to lower the deck box to some metres below the water plane or surface. Subsequently one manoeuvres the ship to above the deck box and lifts the barge by emptying the water ballast tanks. In this manner, generally the ship will be raised to above the water plane to transport it and/or to do some work, such as repairs, on it.
  • the object of the present invention is to provide an improved submersible heavy lift barge, overcoming the above mentioned problems. According to the present invention this object is reached by providing a submersible heavy lift barge according to claim 1.
  • a submersible heavy lift barge of a catamaran type, tri-maran type or multi-maran type (which could also be indicated as multi hull type)
  • the transport speed, the behaviour, the manoeuvrability and the ability to safely carry a load or work on a load are considerably improved.
  • the width of the deck box can be considerably enlarged, while the total weight of the barge will increase only a relatively small amount or can even be kept essentially the same, the last implying that the total amount of steel and thus the total amount of material used is not increased proportional to the increase in width.
  • the multi-floater hull possesses a good seakeeping behaviour due to the optimal combination between waterplane intertia and hull damping. More damping can be generated from these floaters than from one hull. Also wide beamy ships have the tendancy to be very 'cruel' due to their extreme high transverse moment of intertia. With the catamaran hull type this effect can be decreased, whilst stability is maintained. According to a preferred embodiment the barge will comprise two or possibly three of said floating bodies.
  • the multi hull principle can be applied to a submersible heavy lift barge wider than 60 meters without negatively influencing its qualities.
  • a barge with a width of for example 80 metres which can easily be made according to the invention, provides for example a much better possibility for transporting so called semi-submersible drilling platforms having two or more parallel floating hulls. With larger drilling platforms, the distance between the outermost hulls is in general larger than 50 metres, while their length is in general easily about 80 metres or more.
  • drilling platforms are transported in transverse orientation, i.e. the longitudinal direction of the submersible floating hulls of the platform extend transverse to the longitudinal direction of the barge.
  • the width of the floating bodies is according to the present invention more than 10 metres, preferably in the range of about 20 to about 25 metres.
  • each stability tower is provided with positioning winch means for positioning a load on the deck box.
  • a crane is provided on top of one or more of the stability towers.
  • a central command is arranged on top of one of the stability towers, preferably the starboard forward tower.
  • the crane is arranged preferably on top of the same tower.
  • Figure 1 shows schematically a perspective view of a barge according to the invention on which for example a drilling platform is loaded;
  • Figure 2 shows schematically a side view on a longitudinal side of the barge of figure 1 ;
  • Figure 3 shows schematically a side view on a transverse side of the barge of figure 1.
  • FIG. 1 shows schematic in perspective view a submersible heavy lift barge according to the present invention.
  • the barge 1 comprises a rectangular deck box 4 supported on two floating bodies 2 and 3.
  • the floating bodies 2 and 3 extend in the longitudinal direction L of the barge 1.
  • the floating bodies 2 and 3 are spaced with respect to each other.
  • the deck box 4 has an essentially rectangular form with longitudinal sides 12, 13 and is provided with four so called stability towers 5, 6 and 7 (the fourth one is lying behind drilling platform 20).
  • the barge does not necessarily has a rectangular form in top plan view.
  • the forward and if desired also the aftward end could be formed tapered, in which case the stability towers could, within the scope of the claims, be arranged on the tapered part(s) instead of literally on each corner of each deck box.
  • the width B of the deck box is about
  • the length of the deck box (in longitudinal direction L), measured within the stability towers is about 125 metres and the total length of the deck box from for aftward to the forward and is about 150 metres.
  • the width c of the floating bodies is about 20 metres
  • the barge 1 is provided with water ballast tanks 8 in the floating bodies 2 and 3 and with water ballast tanks 9 in each stability tower 5,6,7.
  • ballasting or filling of the water ballast tanks could be done without the help of any pumping installation, in practice it can be preferred to do this under the control on/or with the assistance of two or more ballast water pumps 10. This in order to ensure that the ballast water is evenly distributed over the water ballast tanks 8,9. Further the pumps can help shortening the time needed for submerging the barge. For this purpose also air compressors can be used.
  • the barge according to the embodiment shown has a depth of about 15 metres.
  • the barge In submerged condition the barge will have a draft of about 27 metres, which means that the top plane of the deck box 4 will be about 12 metres below the water plane.
  • a load such as the drilling platform 20
  • This manoeuvring in place can be done by means of or with the assistance of positioning winches 14 provided on each of the four stability towers 5,6,7. (only three can be shown, one is hidden behind the load).
  • the starboard forward stability tower 6 is provided with a central command centre 16.
  • ballast water pumps 10 are operated to deballast or empty the water ballast tanks 8,9 to lift the load 20 to above the water plane.
  • the water plane in unloaded condition of the barge is indicated with by reference number 30 and the water plane in submerged condition is indicated by reference number 31.
  • the barge 1 is loaded with a load 20, which is lifted to above the water level, the barge lies essential at the same depth as in the fully unloaded condition.
  • the drilling platform 20 by way of an example only, has two hulls 21,22 supporting each three columns 23, which in turn carry a deck 24 provided with inter alia a derrick 25.
  • Such drilling platforms 20 quite commonly have hulls 21, 22 with a length of about 80-120 metres. The distance between the most forward and most backward column 23 on a hull 21 will in such case easily be over 60 metres.
  • Commonly barges according to the prior art have a width (comparable with B from figure 3) of up to generally not more than about 50 metres.
  • the transverse distance between the hulls 21 and 22 of drilling platforms is often more than 50 metres, such drilling platforms 20 are, according to the prior art, transported in transverse orientation (i.e. with their hulls 21,22 extending in the transverse direction T of the barge).
  • This means that the outermost columns 23 of each hull will lie outside the deck box A, which creates bending moments in the hulls 21, 22 which are unfavourable and could involve the risk of damage to the drilling platform 20.
  • the barge according to the present invention can be made with a width B of more than 60 metres, for example 80 metres or more, enabling a drilling platform 20 to be transported in longitudinal orientation as shown in figure 1.
  • bending moments around an axis 1 1 to which the barge might be subjected have no harmful effect on the drilling platform 20 if this is orientated in longitudinal direction on the barge. This because the drilling platform 20 is designed to be subjected to such bending moments during use.
  • a barge according to the present invention will for transport purposes generally be towed by towing vessels, it is according to the invention advantageous to provide the barge with a propulsion means 17. This increases the manoeuvrability of the barge.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Transportation (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Earth Drilling (AREA)
  • Ship Loading And Unloading (AREA)
  • Jib Cranes (AREA)
  • Catching Or Destruction (AREA)

Abstract

L'invention concerne une barge de levage de submersible lourd, comprenant au moins un corps flottant (2, 3); un coffre de pont (4) essentiellement rectangulaire agencé sur ledit corps flottant et porté par celui-ci; une tour de stabilité (5, 6, 7) placée à chaque coin du coffre de pont; des réservoirs-ballast à eau placés dans le corps flottant et/ou dans les tours de stabilité; au moins une pompe de ballast et/ou des compresseurs permettant le ballastage ou le déballastage des réservoirs-ballast à eau. La barge comprend au moins deux corps flottants qui s'étendent dans le sens longitudinal de ladite barge, espacés l'un de l'autre dans le sens transversal de cette barge de façon à créer un espace (18) entre eux, et agencés symétriquement par rapport à l'axe central longitudinal (11) de la barge, ledit espace étant ouvert dans les sens avant et arrière.
EP00908114A 2000-03-02 2000-03-02 Catamaran de levage de submersible lourd Withdrawn EP1259420A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/NL2000/000131 WO2001064507A1 (fr) 2000-03-02 2000-03-02 Catamaran de levage de submersible lourd

Publications (1)

Publication Number Publication Date
EP1259420A1 true EP1259420A1 (fr) 2002-11-27

Family

ID=19760673

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00908114A Withdrawn EP1259420A1 (fr) 2000-03-02 2000-03-02 Catamaran de levage de submersible lourd

Country Status (9)

Country Link
EP (1) EP1259420A1 (fr)
JP (1) JP2003525170A (fr)
KR (1) KR20020081378A (fr)
CN (1) CN1437543A (fr)
AU (1) AU2000229486A1 (fr)
BR (1) BR0017144A (fr)
CA (1) CA2401409A1 (fr)
TR (1) TR200202061T2 (fr)
WO (1) WO2001064507A1 (fr)

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NL1019716C2 (nl) * 2002-01-09 2003-07-11 Itrec Bv Multifunctioneel vaartuig (Catamaran).
DE60315276D1 (de) * 2002-04-10 2007-09-13 Itrec Bv Eintauchbares wasserfahrzeug
US6718901B1 (en) * 2002-11-12 2004-04-13 Technip France Offshore deployment of extendable draft platforms
SG162644A1 (en) * 2009-01-07 2010-07-29 Sembcorp Marine Technology Pte Method of underwater mounting of propulsion drive system for a floating structure
NL2005054C2 (en) * 2010-07-08 2012-01-10 Dockwise Shipping B V Self-propelled submersible transport vessel.
CN102267544A (zh) * 2011-05-09 2011-12-07 广东中远船务工程有限公司 一种采用船坞将重物运上船舶的方法
DK201170319A (en) * 2011-06-21 2012-12-22 Logima Aps A self-propelled semi-submersible offshore wind farm installation vessel with a large crane
MY170769A (en) 2012-04-28 2019-08-28 Dockwise Shipping B V Method for dry-docking a floating unit
ES2453766B1 (es) * 2012-10-08 2015-03-10 Iberdrola Ingieneria Y Construccion S A U Embarcación para instalar una plataforma flotante y procedimiento de instalación de una plataforma flotante que emplea dicha embarcación
RU2668020C2 (ru) * 2013-02-28 2018-09-25 Кеппел Оффшор Энд Марин Текнолоджи Сентр Пте. Лтд. Судно, совмещающее функции перевозки тяжеловесных грузов и логистики
KR101487504B1 (ko) * 2013-03-11 2015-01-28 삼성중공업 주식회사 선박 건조방법
CN103910044B (zh) * 2014-04-14 2016-08-17 大连理工大学 一种大型浮式海洋结构物半潜式举升平台及其应用方法
EP3221213B1 (fr) * 2014-11-18 2018-09-19 Keppel Offshore & Marine Technology Centre Pte Ltd Navire submersible pour mise en cale sèche d'un navire
CN105438410A (zh) * 2015-01-12 2016-03-30 刘广 托船
TWI585005B (zh) * 2015-05-18 2017-06-01 Small water surface catamaran inbound and outbound pick - up system and method
CN106985969B (zh) * 2016-01-21 2020-05-08 中国国际海运集装箱(集团)股份有限公司 一种定位装置及其定位方法
CN105947123A (zh) * 2016-04-26 2016-09-21 中船黄埔文冲船舶有限公司 一种甲板可潜至水下的双体半潜船
NL2016759B1 (en) * 2016-05-12 2017-11-27 Seaway Heavy Lifting Eng B V Assembly of a Vessel and a Floating Module
CN108974269B (zh) * 2018-07-27 2019-06-04 刘广 托船筏
CN110254642A (zh) * 2019-05-11 2019-09-20 中国人民解放军91776部队 基于深远海条件的半潜船搭载货物的方法

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Also Published As

Publication number Publication date
KR20020081378A (ko) 2002-10-26
WO2001064507A1 (fr) 2001-09-07
TR200202061T2 (tr) 2002-12-23
AU2000229486A1 (en) 2001-09-12
BR0017144A (pt) 2003-01-14
CA2401409A1 (fr) 2001-09-07
JP2003525170A (ja) 2003-08-26
CN1437543A (zh) 2003-08-20

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