EP0090006B1 - Dispositif flottant et procede de levage et de transport de charge - Google Patents

Dispositif flottant et procede de levage et de transport de charge Download PDF

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Publication number
EP0090006B1
EP0090006B1 EP82903047A EP82903047A EP0090006B1 EP 0090006 B1 EP0090006 B1 EP 0090006B1 EP 82903047 A EP82903047 A EP 82903047A EP 82903047 A EP82903047 A EP 82903047A EP 0090006 B1 EP0090006 B1 EP 0090006B1
Authority
EP
European Patent Office
Prior art keywords
load
floats
barge
beams
fixed
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.)
Expired
Application number
EP82903047A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0090006A1 (fr
Inventor
Jacques Edouard Lamy
Francisco De Asis Manuel Serrano
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.)
Doris Engineering Te Parijs Frankrijk
Original Assignee
DORIS ENGINEERING
Compagnie Generale Pour Les Developpements Operationnels Des Richesses s Ous Marines C G Doris
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 DORIS ENGINEERING, Compagnie Generale Pour Les Developpements Operationnels Des Richesses s Ous Marines C G Doris filed Critical DORIS ENGINEERING
Publication of EP0090006A1 publication Critical patent/EP0090006A1/fr
Application granted granted Critical
Publication of EP0090006B1 publication Critical patent/EP0090006B1/fr
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
    • B63B35/003—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for for transporting very large loads, e.g. offshore structure modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B77/00—Transporting or installing offshore structures on site using buoyancy forces, e.g. using semi-submersible barges, ballasting the structure or transporting of oil-and-gas platforms
    • 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
    • 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

Definitions

  • the invention relates to a device for lifting and transporting a load, with adjustable buoyancy, for work at sea, said device consisting of two parallel groups of floats connected at one of their ends, each group comprising a horizontal float on which are fixed, by one of their ends, vertical floats, the other ends being fixed to longitudinal beams, one end of a group being connected to one end of the other group by a horizontal transverse float and spacers.
  • the invention also relates to a method for implementing said device.
  • French patent FR-A-2,474,992 describes an adjustable buoyancy device, according to the preamble of claim 1 allowing lifting to significant load heights exceeding the possibilities of available barge cranes.
  • the device is in the form of a U consisting of two parallel groups of floats connected at one of their ends by a float with a horizontal axis and by partially removable spacers.
  • the horizontal and vertical floats are ballastable.
  • the vertical floats of a group are connected at their emerging end by spacers forming a longitudinal beam.
  • the load is placed between the two longitudinal beams while the pumps and the control station are arranged on the spacers forming a transverse beam at the end of the groups of floats.
  • Such a device is used inter alia for the establishment of bridges on the columns, during the construction or dismantling of the platforms.
  • the bridge is brought to work on barges from where it is taken up by the adjustable buoyancy device which is brought above the columns and on either side thereof. After ballasting, the bridge comes to rest on the columns.
  • any lifting means applying to the edges of the bridge or of the building element, subjects the latter to forces which require a reinforcement of the structure to avoid deformations.
  • the structure of a bridge is designed to rest at four or more points located inside the perimeter of the bridge and which transmit all the forces to the columns.
  • the distribution of bending moments in the structure of the bridge roughly corresponds to that of a beam resting at two non-extreme points.
  • the distribution of the bending moments corresponds to that of a beam resting at its ends.
  • the realization of a bridge structure capable of meeting both conditions leads to a non-negligible increase in manufacturing costs, due to the increase in the weight of the bridge itself.
  • the object of the invention is a lifting device, with adjustable buoyancy, comprising means for supporting the fully equipped bridge, which does not require a strengthening of its structure, and a method for the implementation of said device.
  • the device is characterized in that the longitudinal beams carry movable transverse support beams capable of moving along their longitudinal axis to be placed under a load to be lifted and transported.
  • a method for implementing the device is characterized by the features of claim 10.
  • Figures 1 and 2 show in longitudinal view and in plan the adjustable buoyancy device according to the invention, consisting of two parallel groups 1 and 2 of floats. Each group comprises a horizontal float 3, 4 on which are fixed by one of their ends, vertical floats 5 to 14.
  • the two groups are connected at one of their ends by transverse horizontal floats 15, 16, (Fig. 4).
  • the floats 15 and 16 are fixed in line with the vertical floats 9 and 14 at the end and the penultimate floats 8, 13 arranged approximately at a quarter of the length of the groups relative to one end.
  • the vertical floats are held at their upper part by longitudinal beams 17 and 18 and by a transverse box beam 19 covering all the space between the vertical floats 13, 14, 8, 9.
  • the box beam is fixed on the upper face longitudinal beams 17, 18.
  • At least part of the horizontal and vertical floats are divided into compartments by watertight bulkheads (not shown) and are equipped with ballasting and drying circuits (not shown) controlling the buoyancy and attitude of the device.
  • the vertical floats 7 and 12 arranged approximately at the middle part of each group, can optionally be placed in communication, on the one hand, with the sea by means consisting of valves of large diameter and , on the other hand, with the atmosphere by air purges.
  • the space between the vertical floats 5, 6, 7, 10, 11, 12 is completely free in the vertical and longitudinal direction, and the space between your floats 8.9.13.14 is free longitudinally and limited in the vertical direction by the beam box 19 and the horizontal floats 15, 16.
  • the vertical free passage between the horizontal floats 15, 16 and the beam 19 is of the order of 15 meters and the transverse free passage, of the order 30 meters.
  • transverse mobile support beams 20, 21, 22, 23 capable of moving along their longitudinal axis.
  • the beams can also be moved along the longitudinal beams 17, 18 and immobilized, by known means, in positions determined according to the dimensional characteristics of the load.
  • the adjustable buoyancy device is equipped with eight anchors 27, 28 mounted at the end of cables wound on winches 24 and 25, on which it can be tanned or immobilized.
  • the distribution of the anchors is as follows: four anchors 28 at the bow, two to port and two to starboard, and four anchors 27, aft, two to port and two to starboard. These anchors allow inter alia the transverse and longitudinal displacements of the device.
  • the winches 24 and 25 are arranged in the box girder 19 and the port anchors 28 are controlled by the starboard winches 25 and vice versa for the starboard anchors. This arrangement allows good winding of the cables on the winches.
  • the box girder 19 the main function of which is to provide a rigid and non-deformable connection between the two groups of floats, is arranged on two floors as living quarters and technical premises.
  • the box girder is completely sealed, the accesses and exits are provided only on the upper part or roof of the beam.
  • Known means such as ladders and / or stairs, connect the roof to the longitudinal beams 17, 18.
  • the movable support beams 20, 21, 22, 23 shown in FIGS. 5, 6, 7 consist of an arm 26 formed of a rectangular box structure 29 having a prismatic end 30 provided with a fork 31.
  • This arm slides longitudinally between the branches of a stirrup 32 on a sole 33 made, for example, of an antifriction bronze.
  • a rack 36 cooperating with a pinion 37 mounted at the end of the shaft of a motor 38 fixed to the cross-member 35.
  • the control of this motor allows the movement of the arm 26 and its positioning under means supports 39 fixed to the load.
  • the fingers 311, 312 of the fork 31 carry supports 40, 41, elastic, formed in known manner of alternating layers of elastomer and metal sheets vulcanized together. The role of these supports will be specified later.
  • the supports 40, 41 come into contact with the supports 39 (Fig. 6) fixed to the load.
  • FIGs 8, 9, 10 show on a larger scale different views of detail VIII of Figure 6.
  • the deck of the platform of which a part of the elements is shown in broken lines, consists of main beams bearing on load-bearing legs 42
  • the main beams carry legs intended to serve as support for the structure of the bridge when it rests on the columns of the marine structure or "jacket".
  • a cylindrical-conical centering piece 43 is fixed to the end of the legs and is capable of engaging in the tubes which form the columns of the jacket.
  • a support 39 forming a U whose transverse branch 44 carries a central bore 45 capable of receiving the tuble 42.
  • the lateral branches 46, 47 of the U are, seen in elevation , triangular, and form vis-à-vis the transverse branch 44 of the reinforcement gussets which take up the forces exerted at the ends of said branch.
  • the support 39 is welded perpendicularly to the tube 42 along its central bore and, by its lateral branches, along a generatrix of the tube.
  • the branch 44 forms two cross members of sufficient length to rest on the gains 40, 41 of the fork 31.
  • the elastic supports 40, 41 act as shock absorbers and avoid violent shocks which could occur during lifting and / or the positioning of the bridge giving it a certain degree of freedom in the transverse direction (shown by the arrow Fig. 9).
  • the lifting and transport device has a length overall width of 61 meters, overall width of 41 meters and height of 19 meters with longitudinal beams and 24 meters with box girder. It is capable of transporting and lifting a load of around 2,000 tonnes. The living quarters are planned for 80 men.
  • the method for implementing the lifting and transport device, according to the invention, is described with respect to a load, which, according to one example, is represented by a fully equipped platform bridge, either of installations for use dwellings, either technical drilling or operating installations.
  • Figures 11 to 22 show the different stages of lifting and placing a bridge on the columns of the marine structure.
  • Figures 11 and 12 show, in elevation and in section, the arrival of the barge 50 supporting the bridge 51.
  • the barge enters from the rear of the lifting and transport device between the groups of floats 1, 2, the support beams 20, 21, 22, 23 being retracted outward in the direction of the arrow.
  • the ballasting of the barge is such that it allows it to pass freely under the box girder 19.
  • the bridge is maintained on the barge, in known manner, the ends of the legs of the bridge cooperating with support columns forming part of '' a lattice structure attached to the deck of the barge.
  • the ends of the support columns of the barge have a shape and a relative position identical to those of the columns of the marine structure or "jacket".
  • the height of the columns is provided so that, under the buoyancy conditions defined above, the structure of the bridge is at a level higher than that of the support beams 20, 21, 22, 23.
  • the support beams are removed ( Fig. 13) inwards, in the direction of the arrows, so as to bring the forks 31 under the supports 39 fixed to the legs of the bridge.
  • the two previous operations are carried out without modifying the ballasting of the barge and the lifting device.
  • the device is unballasted to increase its buoyancy and bring the forks 31 and the supports 39 into contact (Fig. 14).
  • Deballasting is continued so that the load rests entirely on the support beams via the forks 31 and the supports 39 (Fig. 15).
  • Deballasting is continued to completely disengage the barge 50 (Fig.
  • the device carrying the load is towed to the installation site (Fig. 17) and, after possible deballasting, is placed above the structure to support the load, i.e. above the columns of marine structure 52 (Fig. 18).
  • the load is positioned exactly below the columns by the operations of the device on its anchors.
  • the device is ballasted until the legs of the bridge come into contact with the columns of the structure (Fig. 19) and continued (Fig. 20) until the weight of the load is transferred to the columns.
  • the support beams are retracted outwards in the direction of the arrows (Fig. 21) and the device is released from the platform.
  • the vertical floats (7, 12) of the middle of the device are preferably placed in communication with the sea to reduce the effects of the swell, the residual movements being absorbed by the elastic supports placed on the forks of the support beams.
  • the device according to the invention therefore allows, in a simple manner and without immobilization of significant resources, the fitting or removal of the deck, equipped or not, on marine structures with columns of the "jacket" type or other and, consequently, changing the destination of a platform, provided that these supports have the same relative positions and shapes.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Ship Loading And Unloading (AREA)
  • Jib Cranes (AREA)
EP82903047A 1981-10-12 1982-10-12 Dispositif flottant et procede de levage et de transport de charge Expired EP0090006B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8119164A FR2514317A1 (fr) 1981-10-12 1981-10-12 Dispositif de levage et de transport de charge, a flottabilite reglable, pour travaux en mer et procede pour la mise en oeuvre dudit dispositif
FR8119164 1981-10-12

Publications (2)

Publication Number Publication Date
EP0090006A1 EP0090006A1 (fr) 1983-10-05
EP0090006B1 true EP0090006B1 (fr) 1988-03-23

Family

ID=9262960

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82903047A Expired EP0090006B1 (fr) 1981-10-12 1982-10-12 Dispositif flottant et procede de levage et de transport de charge

Country Status (9)

Country Link
US (1) US4556004A (enrdf_load_stackoverflow)
EP (1) EP0090006B1 (enrdf_load_stackoverflow)
JP (1) JPS58501587A (enrdf_load_stackoverflow)
AU (1) AU549720B2 (enrdf_load_stackoverflow)
BR (1) BR8207921A (enrdf_load_stackoverflow)
DE (1) DE3278264D1 (enrdf_load_stackoverflow)
FR (1) FR2514317A1 (enrdf_load_stackoverflow)
SU (1) SU1308189A3 (enrdf_load_stackoverflow)
WO (1) WO1983001235A1 (enrdf_load_stackoverflow)

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US5553977A (en) * 1994-12-16 1996-09-10 Northrop Grumman Corporation Off-shore platform construction, and method for transferring loads
GB2311042B (en) * 1996-03-12 2000-08-30 Kvaerner Oil & Gas Ltd Transportation system and installation method
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US6299383B1 (en) * 1997-10-15 2001-10-09 Deep Oil Technology, Inc. Method for deck installations on offshore substructure
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FR2779754B1 (fr) 1998-06-12 2000-08-25 Technip Geoproduction Dispositif de transport et de pose d'un pont d'une plate-forme petroliere d'exploitation en mer
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NO315111B1 (no) 1999-06-07 2003-07-14 Mpu Entpr As Löftefartöy for posisjonering, löfting og håndtering av en marin konstruksjon
NO313130B1 (no) 1999-06-07 2002-08-19 Mpu Entpr As Anordning for posisjonering og löfting av en marin konstruksjon, s¶rlig et plattformdekk
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NO315898B1 (no) * 2001-11-21 2003-11-10 Mpu Entpr As Ballasterbart löftefartöy og fremgangsmåte for bruk av et ballasterbart löftefartöy for löfting, transportering, posisjonering oginstallasjon av minst ±nmarin konstruksjon, fortrinnsvis ±n eller flere vindmöller
NO316696B1 (no) * 2001-11-21 2004-04-05 Mpu Entpr As Ballasterbart loftefartoy og fremgangsmate for lofting, transportering, posisjonering og installasjon av minst ±n marin konstruksjon, saerlig ±n eller flere vindmoller
GB0413849D0 (en) * 2004-06-21 2004-07-21 Heerema Marine Contractors Nl Offshore vessels for supporting structures to be placed on or removed from the seabed or offshore installations
FR2908733B1 (fr) * 2006-11-22 2009-01-16 Technip France Sa Structure de transport, d'installation et de demantelement d'un pont d'une plate-forme petroliere et procedes de mise en oeuvre d'une telle structure.
KR101436430B1 (ko) * 2006-11-22 2014-09-01 테크니프 프랑스 오일리그 데크의 운반, 설치 및 분해용 구조물과 이러한 구조물의 이용방법
FR2923454B1 (fr) * 2007-11-09 2010-01-15 Freyssinet Procede de transport en milieu aquatique d'un ouvrage civil
FR2932453B1 (fr) * 2008-06-13 2010-05-28 Technip France Structure de transport et d'installation ou de recuperation d'un equipement sous-marin et procede de transport et d'installation ou de recuperation d'un equipement sous-marin
FR2939401B1 (fr) * 2008-12-10 2013-07-26 Technip France Dispositif de transport et de pose d'un pont d'une plate-forme petroliere d'exploitation en mer sur une structure flottante ou fixe.
US8312828B2 (en) 2009-01-26 2012-11-20 Technip France Preloading to reduce loads and save steel on topsides and grillage of catamaran systems
EP2607225B1 (en) * 2011-12-21 2018-04-11 Openhydro IP Limited A method of transporting a hydroelectric turbine system
NL2015537B1 (en) * 2015-10-01 2017-04-20 Mammoet Eng B V Lifting or lowering of heavy payloads.
CN110482151B (zh) * 2019-07-25 2024-04-12 招商局邮轮制造有限公司 一种用于豪华邮轮分段制造运输流水线的小车
RU2719053C1 (ru) * 2019-09-26 2020-04-17 Федеральное государственное унитарное предприятие "Крыловский государственный научный центр" (ФГУП Крыловский государственный научный центр") Устройство транспортировки добычного модуля и установки его на плаву на стационарное морское опорное основание одноколонного типа
JP2023121184A (ja) * 2022-02-21 2023-08-31 三菱重工業株式会社 海洋構造物の解体方法及び浮体装置

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FR2474992B1 (fr) * 1980-02-05 1987-11-27 Doris Dev Richesse Sous Marine Dispositif flottant pour travaux en mer

Also Published As

Publication number Publication date
DE3278264D1 (en) 1988-04-28
FR2514317B1 (enrdf_load_stackoverflow) 1983-12-23
BR8207921A (pt) 1983-09-13
WO1983001235A1 (en) 1983-04-14
JPH0144557B2 (enrdf_load_stackoverflow) 1989-09-28
AU8994882A (en) 1983-04-27
AU549720B2 (en) 1986-02-06
JPS58501587A (ja) 1983-09-22
US4556004A (en) 1985-12-03
EP0090006A1 (fr) 1983-10-05
FR2514317A1 (fr) 1983-04-15
SU1308189A3 (ru) 1987-04-30

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