KR101750762B1 - Method for installing turret - Google Patents

Method for installing turret Download PDF

Info

Publication number
KR101750762B1
KR101750762B1 KR1020150134397A KR20150134397A KR101750762B1 KR 101750762 B1 KR101750762 B1 KR 101750762B1 KR 1020150134397 A KR1020150134397 A KR 1020150134397A KR 20150134397 A KR20150134397 A KR 20150134397A KR 101750762 B1 KR101750762 B1 KR 101750762B1
Authority
KR
South Korea
Prior art keywords
turret
door frame
guide member
central
center
Prior art date
Application number
KR1020150134397A
Other languages
Korean (ko)
Other versions
KR20170035498A (en
Inventor
윤상훈
손창수
Original Assignee
삼성중공업 주식회사
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 삼성중공업 주식회사 filed Critical 삼성중공업 주식회사
Priority to KR1020150134397A priority Critical patent/KR101750762B1/en
Publication of KR20170035498A publication Critical patent/KR20170035498A/en
Application granted granted Critical
Publication of KR101750762B1 publication Critical patent/KR101750762B1/en

Links

Images

Classifications

    • B63B9/00—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
    • B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
    • B63B21/507—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers with mooring turrets
    • 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
    • B63B35/4413—Floating drilling platforms, 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]

Abstract

A method of installing a turret is provided. A method of installing a turret according to an aspect of the present invention includes the steps of pulling a lower turret into a moon pool of an offshore structure and passing the turret through a plurality of central guide members Guiding the position of the central region of the lower turret to the position of the central region of the door frame and guiding the circumferential position of the infeeded lower turret through an angle guide member located in the lower region of the door frame, The method comprising the steps of: fixing the lower turret received in a lower region; drawing an upper turret to the upper portion of the lower turret; positioning a central region of the upper turret through the plurality of central guide members, And fixing the upper turret received in the upper region of the door frame.

Description

Method for installing turret {

The present invention relates to a turret installation method, and more particularly, to a turret installation method installed in a moon pool of an offshore structure.

A drill ship or LNG-FPSO (Liquefied Natural Gas-Floating Production Storage Offloading) drilling gas or crude oil from the seabed can be used as a means to assist drilling, Respectively.

The turret is usually mounted on a vertical opening or moon pool at one end of the ship, usually at the forefront, and secured to a subarea well platform by a chain or the like to allow the ship to moor.

The turret is also mounted on the vessel so that the vessel can rotate relative to the turret as a central axis, providing a stable and continuous transport path for the transfer of gas or crude oil from the ore platform to the vessel during drilling operations.

In other words, even when a marine vessel is caused to flow by winds, waves or algae while the gas or crude oil is being transported, the vessel can freely rotate around the fixed turret as a center axis, Or a tube inside the turret in which the crude oil is fixed.

Korean Patent No. KR 10-1487999 (Feb.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a turret installation method capable of improving the ease of installation of a turret in a float of an offshore structure.

The problems to be solved by the present invention are not limited to the above-mentioned problems, and other matters not mentioned can be clearly understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a method of installing a turret, comprising: drawing a turret into a moon pool of an offshore structure; Guides the position of the central region of the drawn-in lower turret to the position of the central region of the door frame, and guiding the circumferential position of the drawn-in lower turret through the angular guide member located in the lower region of the door frame The method of claim 1, further comprising the steps of: securing the lower turret to the lower region of the door frame; drawing the upper turret to the upper portion of the lower turret; A step of guiding to a position of the central region of the door frame and a step of securing the upper turret which is pulled into the upper region of the door frame It should.

The plurality of center guide members may include first and second center guide members located in an upper area of the door frame, and a third center guide member located in a lower area of the door frame.

At least a part of each of the plurality of central guide members may protrude toward the central area of the door frame from the upper part to the lower part.

In addition, the first central guide member may be located on the upper side of the second central guide member, and may be spaced farther from the central region of the medium.

The upper surface of the first center guide member may be flat so that the upper protruding member protruding outward from the upper turret is seated.

The angle guide member may include a plurality of protrusions, and the plurality of protrusions may form a seating groove on which the lower protrusion member protruding outward from the lower turret is seated.

In addition, at least a part of each of the plurality of projections may protrude toward the central region of the angle guide member from the top to the bottom.

The step of fixing the lower turret may include a step of raising a lower protruding member protruding outward from the lower turret upward and pushing the lower turret to the center area of the door frame.

The step of fixing the upper turret may include a step of raising an upper protruding member protruding outward from the upper turret upward and pushing the upper turret to the center area of the inflatable frame.

The upper and lower turrets may further include an impact absorbing member which is provided on at least a part of the outer side surface and absorbs impact generated when the plurality of center guide members and the angle guiding member come in contact with each other.

According to another aspect of the present invention, there is provided a method for installing a turret, comprising the steps of: introducing a turret into a moon pool of an offshore structure; Guiding the position of the central region of the incoming turret to the position of the central region of the door frame, guiding the circumferential position of the incoming turret through an angle guide member located in the door frame, And pushing the drawn turret to the center area of the door frame to fix the drawn turret.

In addition, at least a part of the center guide member may protrude toward the central area of the door frame from the upper part to the lower part.

The angle guide member may include a plurality of protrusions, and the plurality of protrusions may form a seating groove on which the lower protrusion member protruding outward from the turret is seated.

In addition, at least a part of each of the plurality of projections may protrude toward the central region of the angle guide member from the top to the bottom.

The turret may further include an impact absorbing member which is provided on at least a part of the outer side surface and absorbs impact generated when the center guide member and the angle guiding member come into contact with each other.

Other specific details of the invention are included in the detailed description and drawings.

According to the turret installation method of the present invention, one or more of the following effects can be obtained.

According to the present invention, it is possible to improve the ease of installation of the turret to the platform of the offshore structure.

FIG. 1 is a view showing a turret installed in a door frame of an offshore structure according to an embodiment of the present invention.
2 is a side view of an upper turret and a door frame according to an embodiment of the present invention.
3 is a plan view of an upper turret and a door frame according to an embodiment of the present invention.
Figs. 4 and 5 are schematic views of the center guide member shown in Figs. 2 and 3. Fig.
6 is a plan view of a lower turret and a door frame according to an embodiment of the present invention.
7 and 8 are schematic views of the angle guide member shown in Fig.
9 is a cross-sectional view taken along line A-A 'in Fig.
10 is a schematic view of the center guide member shown in Fig.
11 is a cross-sectional view taken along the line B-B 'shown in FIG.
12 is a top view of a turret according to an embodiment of the present invention.
13 is a flowchart of a turret installation method according to an embodiment of the present invention.
14 to 16 are diagrams showing respective steps of a turret installation method according to an embodiment of the present invention.
17 is a flowchart of a turret installation method according to another embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and the manner of achieving them, will be apparent from and elucidated with reference to the embodiments described hereinafter in conjunction with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Is provided to fully convey the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.

It is to be understood that when an element or layer is referred to as being "on" or " on "of another element or layer, All included. On the other hand, a device being referred to as "directly on" or "directly above" indicates that no other device or layer is interposed in between.

The terms spatially relative, "below", "beneath", "lower", "above", "upper" May be used to readily describe a device or a relationship of components to other devices or components. Spatially relative terms should be understood to include, in addition to the orientation shown in the drawings, terms that include different orientations of the device during use or operation. For example, when inverting an element shown in the figures, an element described as "below" or "beneath" of another element may be placed "above" another element. Thus, the exemplary term "below" can include both downward and upward directions. The elements can also be oriented in different directions, so that spatially relative terms can be interpreted according to orientation.

One element is referred to as being "connected to " or" coupled to "another element, either directly connected or coupled to another element, One case. On the other hand, when one element is referred to as being "directly connected to" or "directly coupled to " another element, it does not intervene another element in the middle. Like reference numerals refer to like elements throughout the specification. "And / or" include each and every combination of one or more of the mentioned items.

Although the first, second, etc. are used to describe various elements, components and / or sections, it is needless to say that these elements, components and / or sections are not limited by these terms. These terms are only used to distinguish one element, element or section from another element, element or section. Therefore, it goes without saying that the first element, the first element or the first section mentioned below may be the second element, the second element or the second section within the technical spirit of the present invention.

The terminology used herein is for the purpose of illustrating embodiments and is not intended to be limiting of the present invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. It is noted that the terms "comprises" and / or "comprising" used in the specification are intended to be inclusive in a manner similar to the components, steps, operations, and / Or additions.

Unless defined otherwise, all terms (including technical and scientific terms) used herein may be used in a sense commonly understood by one of ordinary skill in the art to which this invention belongs. Also, commonly used predefined terms are not ideally or excessively interpreted unless explicitly defined otherwise.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the like elements throughout. A description thereof will be omitted.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings.

FIG. 1 is a view showing a turret installed in a door frame of an offshore structure according to an embodiment of the present invention.

Referring to FIG. 1, a turret 10 according to an embodiment of the present invention is installed inside a moon pool 20 of an offshore structure. Specifically, the turret 10 can be separated into an upper turret 11 and a lower turret 12. [ The turret 10 is separated into the upper turret 11 and the lower turret 12 in the case where the size or the weight of the turret 10 exceeds the lifting condition or the equipment for installing the turret 10 in the door frame is insufficient It is possible to improve the ease of installation because it is installed in the interior of the door. However, the present invention is not limited thereto, and the turret 10 may be formed of a single cylinder-shaped structure.

In an embodiment of the present invention, the offshore structure includes a jack-up drilling rig, a jack-up rig, a drill rig, a barge, a marine work line, a marine plant and a liquefied natural gas-floating production storage offloading (LNG-FPSO) ), And may include all structures installed in the ocean as well as vessels capable of self-propulsion.

FIG. 2 is a side view of an upper turret and a door frame according to an embodiment of the present invention, FIG. 3 is a plan view of an upper turret and a door frame according to an embodiment of the present invention, and FIGS. 1 is a schematic view of the illustrated center guide member.

Referring to FIG. 2, the upper area of the door frame 20 may include a first center guide member 210 and a second center guide member 220. The first center guide member 210 and the second center guide member 220 guide the position of the central region of the turret 10 into the position of the central region in the interior of the door 20. At this time, the first central guide member 210 is positioned above the second central guide member 220, and can be further apart from the central region of the door frame 20. Therefore, the position of the central area of the turret 10 which is drawn into the door frame 20 can be guided to the position of the center area of the door 20 sequentially.

In one embodiment of the present invention, the upper region of the door frame 20 means an area in which the upper turret 11 is drawn in when the upper turret 11 and the lower turret 12 are positioned inside the door frame 20 The lower area of the watercolor 20 means an area in which the lower turret 12 is drawn in the case where the upper turret 11 and the lower turret 12 are positioned inside the door 20.

Further, in one embodiment of the present invention, the center area of the door frame 20 means the area in which the turret 10 is drawn, i.e., the center area of the cylinder-shaped area.

Referring to FIG. 3, a plurality of first center guide members 210 and second center guide members 220 may be formed in the upper region of the water pool 20. Specifically, a position B between 0 and 90 degrees, a position C between 90 degrees and 180 degrees, a position E between 180 degrees and 240 degrees, and a position F between 270 degrees and 0 degrees, respectively The first center guide member 210 and the second center guide member 220 may be formed. At this time, the second center guide member 220 may be further formed at positions A and D facing each other. The position of the central region of the turret 10 is more finely guided to the central region of the culture medium 20 through the six second central guide members 220 located below the first central guide member 210 . The number of the first and second central guide members 210 and 220 may be set so that the number of the center guide members 210 and 220 is But the present invention is not limited thereto and can be variously changed.

Referring to FIG. 4, at least a part of the first central guide member 210 may protrude toward the central region of the door 20 as the distance from the upper portion to the lower portion thereof decreases. The upper surface of the first central guide member 210 may be flat so that the upper protruding member protruding outward of the upper turret 11 is seated. The first center guide member 210 includes a first vertical portion 212 and a first vertical portion 212 extending from the first vertical portion 212 and having a first angle a1 with the first vertical portion 212, And may include a slope 214 and a first horizontal portion 216 extending from the first slope 214. At this time, the position of the central region of the turret 10, which is introduced through the first vertical portion 212 and the first inclined portion 214, can be guided to the position of the central region of the door 20. Further, the upper projecting portion of the drawn-in upper turret 11 may be seated on the first horizontal portion 216. However, if the position of the central area of the turret 10 can be guided to the position of the central area of the door 20, the first angle a1 is not limited.

5, at least a portion of the second center guide member 220 may protrude toward the center region of the door 20 as the distance from the upper portion to the lower portion increases. The second center guide member 220 includes a second vertical portion 222 and a second vertical portion 222 extending from the second vertical portion 222 and having a second angle a2 with the second vertical portion 222, And may include an inclined portion 224. At this time, the position of the central region of the turret 10, which is introduced through the second vertical portion 222 and the second inclined portion 224, can be guided to the position of the central region of the door 20. However, if the position of the central area of the turret 10 can be guided to the position of the central area of the door 20, the second angle a2 is not limited.

FIG. 6 is a plan view of a lower turret and a door frame according to an embodiment of the present invention, FIGS. 7 and 8 are schematic views of the angle guide member shown in FIG. 6, and FIG. 9 is a cross- to be. FIG. 10 is a schematic view of the center guide member shown in FIG. 6, and FIG. 11 is a sectional view taken along the line B-B 'shown in FIG.

Referring to FIG. 6, the lower region of the door frame 20 may include a third central guide member 240 and an angular guide member 230. The third center guide member 240 guides the position of the central region of the turret 10 to the position of the center region in the interior of the door 20 and the angle guide member 230 guides the position of the center of the lower turret 12 Thereby guiding the position in the circumferential direction.

In addition, a plurality of the angle guide member 230 and the third center guide member 240 may be formed in the lower region of the door 20. Specifically, positions (G, H) between 0 and 90 degrees, positions (J, K) between 90 degrees and 180 degrees, positions (L, M) between 180 degrees and 270 degrees, The angle guide member 230 and the third center guide member 240 may be formed at positions O, At this time, the angle guide members 230 may be further formed at positions I and N facing each other. The position of the central region of the turret 10 is more finely guided to the central region of the door 20 via the plurality of third central guide members 240 and is guided through the plurality of angle guide members 230 The position of the lower turret 12 in the circumferential direction can be guided more finely. The position of the central region of the turret 10 drawn into the door 20 is guided to the position of the central region of the door 20 and the position of the lower turret 12 in the circumferential direction The number of the third center guide member 240 and the angle guide member 230 is not limited thereto and can be variously changed.

Referring to FIG. 6, in the embodiment of the present invention, the guide in the circumferential direction means that the lower turret 12 is rotated clockwise or counterclockwise, And the lower turret 12 are coincident with each other.

Referring to FIGS. 7 and 8, the angle guide member 230 may include a plurality of protrusions 232. At this time, the plurality of protrusions 232 may form a seating groove on which the lower protruding member 122 protruding outward from the lower turret 12 is seated. As shown in the figure, two protrusions 232 are preferably formed on the left and right sides of the region where the lower protruding member 122 is seated, but it is possible to guide the position of the lower turret 12 in the circumferential direction , And the number of the plurality of projections 232 is not limited to this, and may be variously changed.

Referring to FIG. 9, at least a part of each of the plurality of protrusions 232 may protrude toward the center of the angle guide member 230, for example, toward the seating groove from the upper part to the lower part. Specifically, the plurality of protrusions 232 may include a fourth vertical portion and a fourth inclined portion extending from the fourth vertical portion and forming a fourth angle with the fourth vertical portion. At this time, it is possible to guide the circumferential position of the lower turret 12 which is introduced through the fourth vertical portion and the fourth inclined portion. However, if the circumferential position of the incoming lower turret 12 can be guided, the fourth angle is not limited.

Referring to FIGS. 10 and 11, at least a part of the third central guide member 240 may protrude toward the center area of the door 20 as the distance from the upper part to the lower part increases. Specifically, the third center guide member 240 may include a third vertical portion and a third inclined portion extending from the third vertical portion and forming a third angle with the third vertical portion. At this time, the position of the central region of the turret 10, which is drawn through the third vertical portion and the third inclined portion, can be guided to the position of the center region of the door 20. However, if the position of the central area of the turret 10 can be guided to the position of the central area of the door 20, the third angle is not limited.

12 is a top view of a turret according to an embodiment of the present invention.

Referring to FIG. 12, the turret 10 according to an embodiment of the present invention may include a shock absorbing member 120 installed on at least a part of the outer surface. At this time, the shock absorbing member 120 can absorb shocks generated when the turret 120 contacts the plurality of central guide members 210, 220, and 240 and the angle guide member 230. Therefore, it is possible to prevent the painting of the turret 10 and the door puck 20 from peeling off. 12 shows only the case where the lower turret 12 includes the shock absorbing member 120 but the case where the upper turret 11 or the integrated turret 10 includes the shock absorbing member 120 Do not.

FIG. 13 is a flowchart of a turret installation method according to an embodiment of the present invention, and FIGS. 14 to 16 are diagrams showing respective steps of a turret installation method according to an embodiment of the present invention.

Referring to FIG. 13, a turret installation method according to an embodiment of the present invention includes a lower turret 12 guiding step S410, a lower turret guide step S420, a lower turret fixing step S430, The upper turret 11 is guided in step S440, the upper turret 11 is guided in step S450, the upper turret 11 is fixed in step S460, and the upper turret 11 and the lower turret 12 are combined (step S470) But does not exclude additional steps.

Referring to FIG. 14, the lower turret 12 is drawn in step S140 by pulling the lower turret 12 into the interior of the door 20 using a lifting means such as a crane.

14 and 15, the guide step S420 of the lower turret 12 is performed by pulling the lower turret 12 into the interior of the door 20 through the lifting means, And 240 are guided to the position of the center area of the door frame 20 by the position of the central area of the lower turret 12 which is guided through the guide part 230 and the angle guide member 230 located in the lower area of the door frame 20, To guide the position of the lower turret 12 in the circumferential direction. At this time, at least a part of each of the plurality of central guide members 210, 220, and 240 may protrude toward the central area of the door 20 as the area moves from the upper part to the lower part. The plurality of protrusions 232 of the angle guide member 230 may form a seating groove on which the lower protruding member 122 protruding outward from the lower turret 12 is seated, At least a part of the guide member 230 may protrude to the central area of the angle guide member 230 from the upper part to the lower part.

The plurality of central guide members 210, 220 and 240 may include first and second central guide members 210 and 220 located in the upper region of the door frame 20, And a third central guide member 240 for guiding the second center guide member. At this time, the first central guide member 210 is positioned above the second central guide member 220 and can be spaced farther from the center area of the door frame 20.

The lower turret 12 is provided on at least a part of the outer side surface and includes a plurality of central guide members 210, 220 and 240 and an impact absorbing member 120 ).

15, the step of fixing the lower turret 12 (S430) lifts the lower protruding member 122 protruding outward from the lower turret 12, which is drawn into the lower region of the door frame 20, The lower turret 12 can be pushed and fixed to the center area of the door 20. More specifically, the lower projecting member 122 is lifted up through the first lower jacking member 235 provided in the seating groove of the angle guide member 130, and the second lower jacking member The lower turret 12 can be pushed and fixed to the center area of the door 20 via the member 245. [ However, the structure for fixing the lower turret 12 may be variously modified as long as the lower turret 12 is fixed to the lower region of the door frame 20, without being limited thereto.

16, the upper turret 11 is guided in step S440 by pulling the upper turret 11 into the interior of the door 20 through a lifting means such as a crane, .

16 and 17, the guide step S450 of the upper turret 12 is performed by pulling the upper turret 11 into the interior of the door 20 through the lifting means, To the position of the central region of the door frame 20, as shown in FIG. In this case, the upper surface of the first central guide member 210 may be formed flat so that the upper protruding member protruding outward from the upper turret is seated.

The upper turret 11 may further include an impact absorbing member which is provided on at least a part of the outer surface and absorbs impact generated when the upper turret 11 contacts the plurality of central guide members 210 and 220.

17, the step of fixing the upper turret 11 (S460) lifts the upper projecting member protruding outward from the upper turret 11 pulled into the upper region of the door frame 20, 11 can be pushed and fixed to the center area of the door puck 20. Specifically, the upper projecting member, which is seated on the upper surface of the first center guide member 210, is lifted up through the first upper jacking member 215, and the second upper jacking member The upper turret 11 can be pushed and fixed to the center area of the door 20 via the member 225. [ However, if the upper turret 11 is fixed to the upper region of the door frame 20, the structure for fixing the upper turret 11 is not limited thereto and may be variously changed according to the purpose.

The step S470 of engaging the upper turret 11 and the lower turret 12 engages the upper turret 11 and the lower turret 12, respectively. At this time, the structure for joining the upper turret 11 and the lower turret 12 may include all the joining methods applicable to the ordinary art in the technical field of the present invention.

17 is a flowchart of a turret installation method according to another embodiment of the present invention.

Referring to FIG. 17, a method of installing a turret according to another embodiment of the present invention includes a step of guiding the turret 10 (S510), a step of guiding the turret 10 (S520), and a step of fixing the turret 10 (S530) , But does not exclude additional configurations.

A method of installing a turret according to another embodiment of the present invention will be described with reference to an example in which one integrated turret 10 is installed. Hereinafter, differences from the turret installation method according to an embodiment of the present invention will be mainly described.

The turret 10 drawing-in step S510 draws the turret 10 into the interior of the artwork 20 of the offshore structure. At this time, the lifting means used requires a larger size than the lifting means for lifting the upper turret 11 and the lower turret 12 according to an embodiment of the present invention.

The guiding step S520 of the turret 10 guides the position of the central region of the turret 10 which is guided through the center guide members 210, 220 and 240 located in the door 20 to the position of the central region of the door 20 And guiding the position of the turret 10 in the circumferential direction through the angle guide member 230 located in the door 20. In the turret installation method according to another embodiment of the present invention, since one integrated turret 10 is installed, unlike the turret installation method according to the embodiment of the present invention, one central guide member 210, 220, 240 The position of the central region of the turret 10 can be guided to the position of the central region of the door 20.

The fixing step S530 of the turret 10 lifts the protruding member protruding outward from the turret 10 upward and pushes the drawn turret 10 to the center area of the door 20 to remove the turret 10, . At this time, the structure for lifting the projecting member upward and pushing the projecting member toward the center region may mean the same as the construction of the turret installing method according to the embodiment of the present invention.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, You will understand. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive.

20: moon pool
10: turret
11: upper turret
12: Lower turret
210, 220, 240: central guide member
230: Angle guide member

Claims (11)

Introducing a lower turret into the moon pool of the offshore structure;
And guiding the position of the central region of the drawn-in lower turret to the position of the center area of the door frame through a plurality of central guide members located in the door frame, Guiding a circumferential position of the lower turret;
Securing the lower turret received in the lower area of the door frame;
Withdrawing an upper turret on top of the lower turret;
Guiding the position of the central region of the drawn-in upper turret to the position of the central region of the door frame through the plurality of central guide members; And
Securing the upper turret received in the upper region of the door frame,
Wherein the first width of the upper area of the door frame is wider than the second width of the lower area,
The plurality of central guide members include first and second central guide members located in an upper area of the door frame and a third central guide member located in a lower area of the door frame,
Wherein the angle guide member is positioned below the first and second center guide members,
Wherein the angle guide member includes a seating groove, a lower projection member provided on the lower turret is seated in the seating groove to determine a position of the lower turret,
Wherein at least a portion of the third central guide member protrudes from at least a portion of the first central guide member to a central area of the door frame.
delete delete The method according to claim 1,
Wherein the first center guide member comprises:
Wherein the second center guide member is located higher than the second center guide member and is further away from the central area of the door frame. 5. The method of claim 4,
Wherein the upper surface of the first center guide member
And an upper protruding member protruding outward from the upper turret is formed flat to be seated. The method according to claim 1,
Wherein the angle guide member includes a plurality of projections, wherein the seating groove is formed between the plurality of projections. The method according to claim 6,
At least a portion of each of the plurality of projections,
And protruding toward the center region of the angle guide member from the top to the bottom. The method according to claim 1,
Wherein the step of securing the lower turret comprises:
A lower protruding member projecting outward from the lower turret is lifted upwards,
And pushing the lower turret to the center area of the door frame. The method according to claim 1,
Wherein the step of securing the upper turret comprises:
An upper protruding member projecting outward from the upper turret is lifted upwards,
And pushing the upper turret to the center area of the door frame. The method according to claim 1,
Wherein the upper and lower turrets comprise:
Further comprising an impact absorbing member which is provided on at least a part of the outer side surface and absorbs impact generated when the plurality of center guide members and the angle guiding member come into contact with each other.

delete
KR1020150134397A 2015-09-23 2015-09-23 Method for installing turret KR101750762B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150134397A KR101750762B1 (en) 2015-09-23 2015-09-23 Method for installing turret

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150134397A KR101750762B1 (en) 2015-09-23 2015-09-23 Method for installing turret

Publications (2)

Publication Number Publication Date
KR20170035498A KR20170035498A (en) 2017-03-31
KR101750762B1 true KR101750762B1 (en) 2017-06-26

Family

ID=58501071

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020150134397A KR101750762B1 (en) 2015-09-23 2015-09-23 Method for installing turret

Country Status (1)

Country Link
KR (1) KR101750762B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101994916B1 (en) * 2018-03-30 2019-07-01 삼성중공업 주식회사 Guide apparatus of turret

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109153430B (en) * 2016-05-24 2020-12-18 蓝水能源服务有限公司 Turret assembly

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101487999B1 (en) 2013-09-26 2015-02-06 삼성중공업 주식회사 Mooring system for ship

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101994916B1 (en) * 2018-03-30 2019-07-01 삼성중공업 주식회사 Guide apparatus of turret

Also Published As

Publication number Publication date
KR20170035498A (en) 2017-03-31

Similar Documents

Publication Publication Date Title
US7918174B2 (en) Anti-sloshing device in moon-pool
US8911179B2 (en) Dual-derrick ice-worthy jack-up drilling unit
US10029760B2 (en) Low heave semi-submersible offshore structure
US20090229505A1 (en) Battered column semi-submersible offshore platform
WO2011120209A1 (en) Deep draught combined platform with truss column
KR101753993B1 (en) Methods for connecting to floating structures
US8844456B2 (en) Heave stabilized barge system for floatover topsides installation
KR101750762B1 (en) Method for installing turret
US8651038B2 (en) System and method for multi-sectional truss spar hull for offshore floating structure
KR101516207B1 (en) Impact absorbing apparatus of mousehole
KR20160007947A (en) Semi-submersible marine structure
KR20150089285A (en) Recess supporting structure having breaking wave function and trolley rail support having its structure
KR20140006276A (en) Semi-submersible drilling rig
KR101690966B1 (en) Method for installing leg of marine structure
KR101722449B1 (en) Submerged turret mooring system
KR20150120731A (en) Semi-Submersible marine structure
KR20150015960A (en) Semi-submersible offshore structure having triple pontoon
KR102148044B1 (en) Remotely Operated Vehicle Handling System Including Semi-submergible RIG
KR101945521B1 (en) Floating structure
KR101563672B1 (en) Marine structure
KR102477560B1 (en) Hybrid offshore structure
KR20180000309U (en) Hull structure FPSO or FLNG
KR101878167B1 (en) Passive gimbal cradle and moon-pool gate for LARS(launch and recovery system) of deep-sea ocean mining system
KR20140002121A (en) Semi-submersible drilling rig having rotatable thruster
KR101588718B1 (en) Marine structure

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant