KR20170048737A - Top-side module installation method and the boom rest on the top side modules support provided for offshore structures - Google Patents

Top-side module installation method and the boom rest on the top side modules support provided for offshore structures Download PDF

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Publication number
KR20170048737A
KR20170048737A KR1020150149192A KR20150149192A KR20170048737A KR 20170048737 A KR20170048737 A KR 20170048737A KR 1020150149192 A KR1020150149192 A KR 1020150149192A KR 20150149192 A KR20150149192 A KR 20150149192A KR 20170048737 A KR20170048737 A KR 20170048737A
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KR
South Korea
Prior art keywords
module
top side
topside
column
ilt
Prior art date
Application number
KR1020150149192A
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Korean (ko)
Inventor
구태경
심기형
김혜영
Original Assignee
대우조선해양 주식회사
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Priority to KR1020150149192A priority Critical patent/KR20170048737A/en
Publication of KR20170048737A publication Critical patent/KR20170048737A/en

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    • B63B9/065—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B27/00—Arrangement of ship-based loading or unloading equipment for cargo or passengers
    • B63B27/10—Arrangement of ship-based loading or unloading equipment for cargo or passengers of cranes
    • 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
    • B63B35/28—Barges or lighters
    • 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
    • B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
    • B63B2035/448—Floating hydrocarbon production vessels, e.g. Floating Production Storage and Offloading vessels [FPSO]

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  • 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)
  • Jib Cranes (AREA)

Abstract

The present invention provides a top-side module installation method and a boom rest supporter provided thereto. The top-side module installation method comprises: a step of installing each column having a hollow interior to allow internal lifting tool (ILT) equipment to be inserted into opposing points along the periphery of a topside module to achieve convenient installation of the top side module using the ILT equipment during a short period without cumbersome actions or inconvenience; a step of inserting suspended ILT equipment into each column and then fixing the ILT equipment with the column; a step of lifting the topside module using a marine crane after fixing the ILT equipment with the column to be transferred to the top side of a marine structure and then, setting the correct position of the top side module; and a step of fixing the top side module in such a manner as to be placed on the top side after setting the right position of the top side module on the top side of the martin structure. Accordingly, there is an effect to remarkably shorten installation time and an overall installation period for various topside modules to be installed on a marine structure.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a top-side module for an offshore structure, and a boomrest support for the top-

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a topside module mounted on a tower or a substructure of an offshore structure. More particularly, the present invention relates to a topside module using an ILT (internal lifting tool) A method of installing a topside module for an offshore structure in which a boomrest support as a mounting means can be installed simply by installing a column for installing the topside module in a short time, The present invention relates to boomrest support.

For example, LNG FPSO (Floating, Production, Storage and Offloading), Oil FPSO, LNG FSRU (Floating Storage and Regasification Unit), FPU Floating Production Unit, and Fixed Platform.

LNG FPSO is an offshore structure used to produce natural gas, store the natural gas directly in the sea and store it in the LNG storage tank, and transfer the LNG stored in the LNG storage tank to the LNG transport if necessary.

Oil FPSO is an offshore structure used to produce and store petroleum instead of natural gas and to transfer the oil stored in the storage tank to the oil tanker.

In addition, Fixed Platform is an offshore structure in which a leg made of concrete or steel is installed on a seabed and a topside module capable of producing oil or gas is installed thereon.

In particular, the Fixed Platform is equipped with various facilities required to process crude oil or natural gas (for example, production and liquefaction of natural gas) on the upper deck of an offshore structure, that is, a topside module, The modules each have a weight of approximately several hundred to several thousand tons.

In other words, offshore structures can be broadly divided into substructures (Jacket, Hull, etc.) and topside modules (Topsides Module) located on top of them. Topside modules include living quarters And various facilities for producing and processing resources such as crude oil.

The conventional method of installing the topside module on the substructure of the offshore structure or installing the topside module on the topside module is usually carried out using a marine crane or the like provided on a barge or the like. The topside module is equipped with pad-eye, sling or grommet for lifting and is lifted by rigging lines and rigging support to the marine structure Install it.

In addition, the top side module performs a landscaping operation using a pedestal crane provided on a top side platform of an offshore structure for landscaping various equipment, facilities, and equipment, and the landscape operation is completed, When not in use, a boom rest support, which is a separate mounting device, is installed on one side of the topside module so that the boom of the tower crane can be mounted.

Accordingly, it is very troublesome and inconvenient to install a pad-in-a-sling or a grommet in a top-side module for installing a top-side module with a top side of a conventional offshore structure, In addition, it is inconvenient and troublesome, and the hook-up removal work also has a disadvantage that it takes a long time to work, and the whole operation time is long, thereby increasing the installation cost.

In addition, the boomrest support, which is a mounting device that is provided to mount the boom bar of the tower crane on the top side module, is additionally provided additionally, which requires additional work processes and time, as well as additional material and weight .

As disclosed in Korean Patent Laid-Open Publication No. 10-2014-0026002 (hereinafter referred to as "Patent Document 1"), the prior art related to the topside module provided in the offshore structure as described above has a technology similar to the arrangement structure of the topside module Has been proposed.

Also, as disclosed in Korean Patent Laid-Open No. 10-2014-0055306 (hereinafter referred to as 'Patent Document 2'), an auxiliary module is installed on the side of the structure of the main module located on the top side of the offshore structure, To minimize the use of one-time equipment and to avoid the use of additional support structures for support of auxiliary modules and to avoid interference between the equipment under the modules and the module support structure A technique has been proposed.

Also, as disclosed in Korean Utility Model No. 20-2014-0003996 (hereinafter referred to as "Patent Document 3"), only the design and verification of the top plate and the bottom reinforcement member are required in accordance with the change of the position of the bearing pad and the hydraulic jack Techniques such as topside module support for offshore structures have also been proposed that can reduce the number of designs and modifications to stools.

Korean Patent Publication No. 10-2014-0026002 Korean Patent Publication No. 10-2014-0055306 Korean Utility Model No. 20-2014-0003996

Patent Document 1 is related to the arrangement structure of the top side module, Patent Document 2 relates to the method of installing the auxiliary top side module in the top side module, and Patent Document 3 is a technique for supporting the top side module, There is a disadvantage that it has a problem that is caused in the process of installing the topside module in the top side of the offshore structure for the first time.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems of the related art, and it is an object of the present invention to provide an apparatus and method for installing a topside module by using an internal lifting tool (ILT) A boomrest support for a marine structure, and a boomrest support provided in the topside module, in which a boomrest support, which is a mounting means, can be easily installed on a column provided for installing a side module.

Another object of the present invention is to provide a boomrest support which can be selectively installed in a detachable or fixed manner depending on the installation position.

According to an aspect of the present invention, there is provided a method of installing a topside module as a top side of an offshore structure using a marine crane provided on a barge in the sea, Installing each column of hollow interior so that the instrument can be inserted; Inserting suspended ILT equipment into a marine crane into each of the columns and fixing the ILT equipment to a column; Lifting the topside module using a marine crane after fixing the ILT equipment with the column, transporting the topside module to the top side of the offshore structure and then setting it to the correct position; And setting the topside module to the top side of the offshore structure and then placing the topside module on the topside to secure the topside module.

The column includes a top side module positioned so as to be opposed to each other at both ends so as not to be biased toward one side when lifting the top side module.

It is possible to mount the boom bar when not using a pedestal crane on the platform of the offshore structure, with a topside module containing a plurality of columns to be lifted using ILT equipment and installed on the topside of an offshore structure Wherein the boomrest support includes a lower end flange of the boomrest support mounted on the upper end of a column provided in the topside module and fixed to the upper end of the column integrally by a fixing member do.

The fixing member is a detachable bracket for fixing the upper end of the column and the lower end flange of the boomrest support.

The fixing member includes a weld portion for fixing the upper end of the column and the lower end flange of the boomrest support.

The present invention enables the installation of the topside module using the ILT equipment to be easily carried out in a short time without inconvenience or inconvenience, thereby significantly shortening the installation time and overall period of various topside modules installed in the offshore structure, Can be saved.

Also, it is possible to easily install the boomrest support, which is a mounting means, on the column provided for installing the topside module, thereby reducing the weight of the subject and minimizing the weight.

In addition, the boomrest support can be installed selectively in a detachable or fixed manner depending on the installation position, so that the boomrest support can be installed at an appropriate position according to the position of the tower crane provided in the platform of the offshore structure.

1 is a block diagram for explaining an installation method of the present invention;
FIG. 2 is a flowchart for explaining an installation process according to FIG. 1,
Fig. 3 is a partially enlarged side view of the boomrest support according to the present invention,
4 is a partially enlarged side view for explaining another embodiment according to Fig.

Hereinafter, preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings. The present invention is not limited to the embodiments.

FIG. 1 is a block diagram for explaining an installation method of the present invention, and FIG. 2 is a flowchart for explaining an installation process according to FIG.

As shown in the figure, a method of installing a topside module 100 on a top side of an offshore structure using a marine crane provided on a barge (not shown) on the sea is shown.

An object of the present invention is to provide an internal lifting tool (ILT) device so that the installation of the topside module can be simplified in a short time without inconvenience or inconvenience.

Here, the ITL apparatus 200 has a known technical structure. The ITL apparatus 200 includes a plurality of supports, which are contracted or extended by hydraulic pressure or the like in the housing. The plurality of supports are expanded according to the operation, It has a fixing force when it is in close contact. Such ITL equipment is known in the well-known Internet address https://www.youtube.com/watch?v=CjQnacFYrVw, and a detailed description will be omitted.

The method of installing a topside module with a top side of an offshore structure according to the present invention comprises the steps of forming a top side module on each of the columns 10 in which the inside of the top side module 100 is hollow, (S1) is performed by fixing it with a conventional welding, a bracket, a bolt nut, or the like.

It is preferable that the column 10 is provided so as to be positioned in a direction in which the top side modules 100 are opposed to each other at both ends so as not to be biased toward one side when the top side module 100 is lifted. That is, when the topside module is rectangular as shown in the figure, it is preferable that the top side module is located at the corner portion so that the top side module can be lifted stably without being biased as it is tilted to one side at the time of lifting.

Thereafter, the ILT equipment 200 suspended in the marine crane 300 is inserted into each of the columns 10, and then the support of the ILT equipment 200 is expanded and secured to the column 10 (step S2 ).

After the ILT equipment 200 is fixed to the column 10, the topside module 100 is lifted using a marine crane 300 installed on a marine barge and is transported to the top side of the offshore structure 400 And then setting the top side module 100 to a desired position (S3).

Finally, after setting the top side module 100 to the top side with the top side of the offshore structure 400, the top side module 100 is secured to the top side to fix the top side module 100 by ordinary welding, brackets, bolts, nuts, (S4).

Thus, once the topside module is seated and secured, the ILT instrument is disconnected from the column in a known manner.

Accordingly, the method for installing the topside module of the present invention includes a plurality of columns into which the main ILT equipment can be inserted in the topside module, and the ILT equipment is inserted into the columns, So that it can be installed simply and quickly without inconvenience or inconvenience.

Accordingly, the present invention has an excellent efficiency that can remarkably shorten the entire installation period for installing a number of topside modules equipped with an offshore structure due to quick and minimum operation time.

Further, in the present invention, it is necessary to prepare a pad-in-a-sling or a grommet for lifting in the top-side module for installing the top-side module, It is possible to omit the hook-up removing operation and to secure the construction period in the shortest period without labor force mobilization and equipment.

FIG. 3 is a partially enlarged side view of the boomrest support according to the present invention, and FIG. 4 is a partially enlarged side view for explaining another embodiment according to FIG.

Components having the same technical constitution as described above are denoted by the same reference numerals.

As shown in the figure, a top side module 100 (see FIG. 1) including a plurality of columns 10 for lifting using a known ILT equipment equipped with a marine crane installed on an offshore barge and installing the same on the top side of the offshore structure 400 A boomrest support 110 which is a conventional mounting means provided so as to be able to mount the boom frame B when a pedestal crane (not shown) provided on the platform of the offshore structure 100 is not used, .

The boomrest support 110 has a known technical structure and includes a vertical post 112 and a horizontal frame 114 on which the boom frame B of the tower crane is mounted on the upper part of the vertical post 112 .

The present invention is intended to facilitate the installation of a boomrest support, which is a mounting means, in a column provided for installing a topside module.

The boomrest support 110 according to the present invention is not frosted to the conventional top side module 100 but is mounted on the top of the column 10 provided for lifting the top side module 100, And fixing the lower end flange 112a of the support 110 to the lower end flange 112a by the fixing member 20 integrally.

In other words, a tower crane installed on a platform of an offshore structure is provided for landscaping various equipment, equipment, facilities, and the like on the topside module. If the tower crane is not operated, It is mounted on boomrest support.

At this time, in the conventional boomrest support, the boomrest support had to be installed separately, including the connection stand, the stand, and the like on the topside module.

However, the boomrest support may be installed simply and without inconveniences or inconveniences by using a column provided for lifting and installing the topside module instead of the additional boomrest support. It has a condition.

Moreover, by omitting additional materials such as a connection stand or mounting stand, the installation work time can be significantly reduced, and the weight can also be significantly reduced.

The fixing member 20 can be fixed by a conventional detachable bracket 22 fixing the upper end of the column 10 and the lower end flange 112a of the boomrest support 110. [ At this time, when lifting the top side module 100, the bracket 22 is required to remove the boomrest support 110, so that the bracket 22 can be easily attached and detached.

Such fixing by the bracket has a condition that it can be installed at any position requiring boom rest support. That is, depending on the position where the topside module is installed, the position for mounting the tower crane on the boom can also be changed. Therefore, a bracket that is a fixing member is used at the top of the column requiring boomrest support And can be selectively used depending on the location of the tower crane and the topside module.

The fixing member 20 includes a weld portion 24 for fixing the upper end of the column 10 and the lower end flange 112a of the boomrest support 110. [ In other words, since the column is not used for further lifting after lifting the topside module, the boomrest support permanently integrates the column and boomrest support by securing the upper flange of the column and the lower flange of the boomrest support by welding .

Since the top side module is installed at a predetermined position according to the design purpose, the top side module is fixed to the proper position by the welding portion by welding in consideration of the determined position and the position of the tower crane provided on the platform of the top side, do.

Accordingly, after the topside module is installed first, the boomrest support is installed in advance in consideration of the position of the tower crane, so that the tower crane can be operated smoothly.

Accordingly, the boomrest support of the present invention is advantageous in that the boomrest support can be quickly installed without inconveniences or discomfort by installing the boomrest support using a column provided for lifting and installing the topside module.

In addition, since no additional parts are required, the weight can be remarkably reduced while saving the material.

In addition, the boomrest support can be provided in a detachable or fixed manner by means of a bracket or a welded portion, thereby providing convenience in being selectively used according to the field conditions.

10: Column 20: Fixing member
22: bracket 24: welded portion
100: Top side module 110: Boom rest support
112: vertical post 112a: flange
114: Horizontal frame 200: ILT equipment
300: Marine crane 400: Offshore structure

Claims (5)

CLAIMS 1. A method for installing a topside module on a tower side of an offshore structure using a marine crane equipped on an overhead barge,
Installing respective columns of hollow interior so that ILT equipment can be inserted at locations opposite to each other of the topside module;
Inserting suspended ILT equipment into a marine crane into each of the columns and fixing the ILT equipment to a column;
Lifting the topside module using a marine crane after fixing the ILT equipment with the column, transporting the topside module to the top side of the offshore structure and then setting it to the correct position; And
And fixing the topside module by seating the topside module on the topside and then fixing the topside module to the topside of the offshore structure. The method according to claim 1,
Wherein the column is provided so as to be positioned in a direction opposite to each other at both ends so that the top side module is not biased toward one side when lifting the top side module. A tower mounted on a platform of an offshore structure is used as a top side module including a plurality of columns so that the tower can be lifted using an ILT equipment and installed as a top side of an offshore structure, As a rest support,
Characterized in that the boomrest support includes a lower end flange of the boomrest support which is mounted on the upper end of a column provided in the topside module and which is integrally fixed by a fixing member, A boomrest support provided on the topside module. The method of claim 3,
Wherein the fixing member is a detachable bracket for fixing the upper end of the column and the lower end flange of the boomrest support. The method of claim 3,
Wherein the fixing member includes a welded portion for fixing the upper end of the column and the lower end flange of the boomrest support.
KR1020150149192A 2015-10-27 2015-10-27 Top-side module installation method and the boom rest on the top side modules support provided for offshore structures KR20170048737A (en)

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KR1020150149192A KR20170048737A (en) 2015-10-27 2015-10-27 Top-side module installation method and the boom rest on the top side modules support provided for offshore structures

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KR1020150149192A KR20170048737A (en) 2015-10-27 2015-10-27 Top-side module installation method and the boom rest on the top side modules support provided for offshore structures

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020005066A1 (en) 2018-06-28 2020-01-02 Holding Oos Ii B.V. Method for installation of an offshore structure using one or more cranes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020005066A1 (en) 2018-06-28 2020-01-02 Holding Oos Ii B.V. Method for installation of an offshore structure using one or more cranes

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