CN107672756A - Moon pool and with its extra large construction equipment and the slide device that is arranged on the moon pool - Google Patents
Moon pool and with its extra large construction equipment and the slide device that is arranged on the moon pool Download PDFInfo
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- CN107672756A CN107672756A CN201610619749.3A CN201610619749A CN107672756A CN 107672756 A CN107672756 A CN 107672756A CN 201610619749 A CN201610619749 A CN 201610619749A CN 107672756 A CN107672756 A CN 107672756A
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- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 title claims abstract description 103
- 238000010276 construction Methods 0.000 title claims abstract description 56
- 239000000725 suspension Substances 0.000 claims description 38
- 238000005553 drilling Methods 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 9
- 238000003032 molecular docking Methods 0.000 claims description 2
- 230000001965 increasing effect Effects 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 2
- 230000009977 dual effect Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 241000269793 Cryothenia peninsulae Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- 239000012141 concentrate Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
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- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of moon pool and with its extra large construction equipment and the slide device being arranged on the moon pool；The present invention by being correspondingly formed second space respectively on two sides on the first space length direction of moon pool, the width of moon pool can be made increase at second space forming position, so that the maximum operation inclination angle of the waterproof casing on the moon pool of this kind of structure is increased, the region of swing when adding waterproof casing normal work, reduce because the probability that stormy waves causes waterproof casing to knock moon pool edge when swinging, waterproof casing is set to be adapted to the requirement that extra large construction equipment works under severe sea condition, second space area occupied is relatively small simultaneously, the overall structure stability of extra large construction equipment is not interfered with；The slide device being arranged on using the extra large engineering equipment of the moon pool on the moon pool, similarly with above-mentioned advantage.
Description
Technical field
The present invention relates to offshore engineering equipment field, more particularly to a kind of moon pool and tool applied on offshore engineering equipment
There are the extra large construction equipment of the moon pool and the slide device being arranged on the moon pool.
Background technology
With continually developing for sharp increase of modern society's production and living to oil demand amount and Marine oil and gas resource,
Emerge the ocean engineering structures such as various types of offshore drilling ships and marine drilling platform.In order to realize that oil field is surveyed in ocean
Exploitation is visited, it is necessary to configure various underwater installations on offshore engineering equipment or ship, these equipment or ship requirement are in first
Can be operated on plate, and can it is sensible enter upstream face below until seabed, this, which just needs one, can run through extra large construction equipment or main ship
The maritime passage on body deck, and to have sufficiently large size, in order to meet the needs of distinct device operation.It is so such
The common structure of ocean engineering structure is characterized in：There is provided the vertical through hole that bottom is led directly to from upper deck in the middle part of it to be referred to as the moon
Pond, generally for underwater operations such as drilling prospections.
Preventer is positioned over seabed by conventional deep-sea sea construction equipment, and drill ship or subsea wellheads are connected with waterproof casing, often
The moon pool perforate for advising extra large construction equipment is rectangle, thus in general, designing the maximum of waterproof casing for common moon pool structure
Operation inclination angle is 5 ° or smaller, the component that the steel wire rope of waterproof casing is hung when operating inclination angle more than the maximum or is connected thereto
It will be collided with moon pool perforate, cause steel wire rope or remaining component damage or influence functions of the equipments, such as the institute of Figure of description accompanying drawing 1
Show.Some semi-submersible type sea construction equipments to be worked under severe sea condition, it may require that the operation inclination maximum of waterproof casing herein exceedes
5 °, in this case, the moon pool of conventional structure cannot meet the limit operation requirement of waterproof casing.
If increasing the operation inclination maximum of waterproof casing by the way of overall aperture widths are simply increased, due to
The limited space problem of extra large construction equipment can cause：On the one hand the cost of extra large construction equipment can be significantly increased, on the other hand, in fact may be used
Platform bulk strength can be influenced whether；In a word, using the moon pool of existing structure can increase extra large construction equipment manufacture the difficulty realized and
Cost.
The content of the invention
In order to solve above-mentioned technical problem present in prior art, it is an object of the invention to provide a kind of moon pool and tool
There is its extra large construction equipment, add the operation inclination maximum of waterproof casing, it is worked under severe sea condition.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：A kind of moon pool, for for extra large construction equipment
Carry out providing operating space during offshore drilling, it includes:It is opened on the extra large construction equipment empty to carry out the first of drilling operation
Between, in addition to：It is respectively formed at the second space of two sides on the length direction in first space, first and second space
Bottom there is through hole；The second space communicates with first space.
Further, the cross section in first space is arranged to four extended on the length direction of the extra large construction equipment
Side shape；The second space is arranged on the both sides of the quadrangle length direction.
Further, the length of the second space is at least the 25% of first space length;The second space
Width be less than first space.
As an improvement the second space includes：It is correspondingly formed respectively on the side of the first space length direction two
's：First extending space and the second extending space, first, second extending space communicate with the first space.
Furthermore length direction axis of first, second extending space along first Space Cross Section is symmetrically divided
Cloth；Width axis pair of the cross section of first, second extending space each along first Space Cross Section
Claim distribution.
Further, the cross section that first, second extending space is projected in the length direction of the extra large construction equipment is
Quadrangle form.
In order to solve the above-mentioned technical problem, the present invention also provides following technical scheme：A kind of extra large construction equipment, suitable for
Carry out probing work, including suspension equipment and waterproof casing, in addition to moon pool as described above under the conditions of severe sea condition, it is described every
Jacket pipe carries out probing work under the traction of the suspension equipment, by the moon pool.
In order to solve the above-mentioned technical problem, the present invention also provides following technical scheme：A kind of slide device, for moving
Device, the slide devices such as BOP elevator and suspension chassis on extra large construction equipment are arranged on moon pool as described above,
The slide device includes the rail structure for being arranged on both sides on the length direction in first space；The rail structure includes
Two fixed racks for being separately fixed at both sides on the length direction in first space.
Further, the fixed rack and perspective plane of the second space on the length direction of the extra large construction equipment
Intersecting part is removed；It is concordant with the fixed rack right that the rail structure is provided with shifting sledge in the perspective plane
Connect.
Further, the guide rail base that is provided at both ends with of the shifting sledge is fixed and set as support, the guide rail base
Put on the moon pool edge, being provided with the guide rail base can fill along the support of the first space width direction activity
Put, the shifting sledge on the guide rail base is movable into and out the perspective plane.
Compared with prior art, the present invention by corresponding to respectively on the dual side-edge on the first space length direction of moon pool
Second space is formd, the width of moon pool can be made increase at second space forming position, so that in this kind of structure
The maximum operation inclination angle of waterproof casing on moon pool is increased, that is, adds the region that waterproof casing is normally swung, reduce
Because stormy waves causes waterproof casing to knock the probability at moon pool edge when swinging, waterproof casing is adapted to extra large construction equipment and disliking
The requirement to be worked under bad sea situation, while second space area occupied is relatively small, the overall structure for not interfering with extra large construction equipment is steady
It is qualitative.
Using the extra large engineering equipment of the moon pool, similarly with above-mentioned advantage.
Further, the present invention using above-mentioned moon pool structure when, also at second space be provided with shifting sledge, it is necessary to
During mobile device（Such as：BOP elevator and suspension chassis etc.）, shifting sledge is moved into second space, and put down with fixed rack
Neat docking.It is easy to equipment to be moved by slide device above moon pool or adjustment position.Shifting sledge is removed second during probing
Space, second space is increased extra swing section to waterproof casing, avoid influence of the severe sea condition to probing work.
Meanwhile it also avoid after opening up second space, it is that original fixed rack needs to extend out and tie up extra large construction equipment working region
Problem.
Brief description of the drawings
Fig. 1 is a kind of overlooking the structure diagram of moon pool；
Fig. 2 is that conventional moon pool limits operational stroke lower range structural representation；
Fig. 3 is that conventional moon pool limits operational stroke upper range structural representation；
Fig. 4 is that moon pool of the present invention limits operational stroke lower range structural representation；
Fig. 5 is that moon pool of the present invention limits operational stroke upper range structural representation；
Fig. 6 is the cross-sectional view of the front view of Fig. 1 moon pools；
Fig. 7 is Fig. 1 close-up schematic view；
Fig. 8 is Fig. 5 close-up schematic view.
Description of reference numerals is as follows：1st, the first space；2nd, second space；21st, the first extending space；22nd, the second extension
Space；3rd, suspension equipment；4th, waterproof casing；5th, rail structure；51st, fixed rack；52nd, shifting sledge；53rd, guide rail base；
54th, support meanss.
Embodiment
Below with reference to accompanying drawing 1 to accompanying drawing 8, various embodiments of the present invention are given with further elaboration.
As shown in accompanying drawing 1, accompanying drawing 7, one aspect of the invention provides a kind of operating surface in extra large construction equipment or deck
On open up the moon pool to be formed, to provided when carrying out offshore drilling for extra large construction equipment waterproof casing 4 is stretched into seabed operation it is empty
Between.It includes:It is opened on extra large construction equipment to carry out the first space 1 of drilling operation, in addition to：It is correspondingly formed respectively first
The second space 2 of dual side-edge on the length direction of space 1, the bottom of second space 2 have through hole, the sky of second space 2 and first
Between 1 communicate.
The present invention by being correspondingly formed second space 2 respectively on the dual side-edge on the length direction of the first space of moon pool 1,
The width of moon pool can be made increase at the forming position of second space 2, so that the water proof set on the moon pool of this kind of structure
The maximum operation inclination angle of pipe 4 is increased, that is, adds regional space of the moon pool on the swaying direction of waterproof casing 4, make water proof
Sleeve pipe 4 reduces, and meet what extra large construction equipment worked under severe sea condition in Lidar Equation lower swing with the collision probability of moon pool
It is required that.With reference to shown in accompanying drawing 2-5, the maximum operation inclination angle of waterproof casing 4 can be increased to 10 ° by the present invention from 5 ° of routine,
Certainly specific maximum operation inclination angle can be designed as the case may be, be repeated no more here.
It is pointed out that the length of above-mentioned moon pool length direction is naturally larger than the length on width.Increase moon pool
Regional space on the swaying direction of waterproof casing 4 necessarily refers to increase the space on moon pool width.
As shown in accompanying drawing 1, accompanying drawing 7, in the present embodiment, the cross section in the first space of moon pool 1 has in extra large construction equipment
The quadrangle form extended on length direction, second space 2 are formed on the both sides of quadrangle form length direction.
The maximum length of second space 2 is less than the maximum length of the first space 1, and the transverse width of second space 2 is less than first
The transverse width in space 1.
In general, the first space 1 is in quadrangle form in the cross section of the length direction of extra large construction equipment, second space 2
Being formed corresponding to respectively in two long sides of the cross section rectangle of the first space 1, second space 2 is mutually communicated with the first space 1, by
Intensity that is limited in extra large construction equipment space and considering platform entirety, the maximum length of second space 2 should be less than the first space 1
Maximum length.In fact, based on the consideration to above-mentioned 2 technologies reality, the Breadth Maximum of second space 2 is also by corresponding
Limitation, the preferable transverse width of second space 2 is smaller than the transverse width in the first space 1.
In other embodiments, when waterproof casing 4 needs bigger operation inclination angle, the transverse width of second space 2
Can be according to the transverse width more than the first space 1 for being actually needed design.
Such as accompanying drawing 1, shown in accompanying drawing 6-7, as a kind of preferred embodiment, moon pool second space 2 includes corresponding to shape respectively
Into on the dual side-edge on the length direction of the first space 1：First extending space 21 and the second extending space 22, the first extension are empty
Between the 21, second extending space 22 communicated with the first space 1.
Under normal circumstances, the mode of the outside STH on the both sides of the length direction of moon pool is taken to form the first extension sky
Between the 21, second extending space 22.
The first space of moon pool 1 is rectangle in the cross section of the length direction of extra large construction equipment, and second space 2 is formed at rectangle
In two long sides, the length of second space 2 is at least the 10% to 50% of the length of the first space 1, preferably 25%.
The cross section in the first space of moon pool 1 is that rectangle is most common embodiment, and second space 2 is then by rectangle
Two long sides on outwards STH formed, preferably, the size of perforate length direction control in the length of the first space 1
10% to 50%, so can both ensure the width of moon pool increases at the forming position of second space 2, can also take into account platform entirety
Intensity.
As shown in accompanying drawing 1, accompanying drawing 4-5, accompanying drawing 8, the first extending space 21, the second extending space 22 are horizontal along the first space 1
The length direction axis in section is symmetrical.
First extending space 21, the second extending space 22 are quadrangle shape in the cross section of the length direction of extra large construction equipment
Shape.
By the rectangular cross-sectional of the first extending space 21, the second extending space 22 of moon pool second space 2 along the first space 1
The length axis in face is arranged symmetrically, and can preferably make full use of the first extending space 21, the second extending space 22.And first
Extending space 21, the second extending space 22 use cross section as quadrangle form, can reduce in two long sides of rectangle outwards
The difficulty of STH.
Certainly, in other embodiments, the cross section that the first extending space 21, the second extending space 22 use can also be for
Semicircle or other shapes.
First extending space 21, the second extending space 22 cross section each along the cross section of the first space 1 width side
It is symmetrical to axis.
As shown in accompanying drawing 1, accompanying drawing 7, in the preferred embodiment, the first extending space 21, second extending space 22
Cross section is symmetrical along the width axis of the rectangular cross section in the first space 1, actually by first
On the stage casing part for the long side that extending space 21, the second extending space 22 are arranged on rectangular cross section, conventional extra large construction equipment
The operating space of waterproof casing 4 typically also concentrates on the position, using this in the long side of the rectangular cross section of the first space 1
The mode of section part can well adapt to the operation of the waterproof casing 4 of most of existing extra large construction equipment.Of course, in order to suitable
Answer different operating areas, the first extending space 21, the second extending space 22 are set in the long side of the rectangular cross section of the first space 1
Seated position can be adjusted according to real needs, and those skilled in the art are it will be clear that this is put so as to originally be preferable to carry out
The specific position plan of establishment is made under the teaching of mode.
As shown in figures 1-6, another aspect of the invention provides a kind of extra large construction equipment, and it has the moon of said structure
Pond.Meanwhile the waterproof casing 4 on the extra large construction equipment carries out probing work under the traction of suspension equipment 3 by above-mentioned moon pool.
So that by Lidar Equation when waterproof casing 4 works, moon pool has enough width to accommodate its excessive swing inclination angle, is applicable it
In carrying out probing work under the conditions of severe sea condition.
As shown in accompanying drawing 1, accompanying drawing 6-7, another aspect of the invention provides extra large construction equipment, and it also includes：For assembling
The BOP elevator of preventer and submerged riser（Not shown in accompanying drawing）, for transporting preventer and submerged riser to submarine well
The suspension chassis of mouth position（Not shown in accompanying drawing）, extra large construction equipment is provided with BOP elevator parking position and suspension chassis parking
Position.
Wherein, BOP elevator effect is that preventer and submerged riser system assembles is integral, and it is transported
To moon pool center, about 300 tons of weight after preventer and submerged riser system assembles at present.And in this narrow space of moon pool
It is interior, generally, can not be also It is not necessary to the large lifting equipment of loop wheel machine etc be set, so current extra large construction equipment（Half
Submersible platform）This special equipment of BOP elevator that all sets carries preventer.
The effect for hanging chassis is that the preventer and submerged riser system that are transported to moon pool center are clamped and be transported to
The pithead position in seabed.Equally, suspension chassis is also required to have bigger elevating capacity, it is however generally that and usually more than 400 tons,
And extra large construction equipment（Semisubmersible platform）The special equipment of outfit.
Within remaining extra large construction equipment activity duration, BOP elevator and suspension chassis are required for away from moon pool center simultaneously
It is fixed, in order to avoid influence drillng operation.Also BOP elevator parking position and suspension chassis parking position are in the two positions.
As shown in accompanying drawing 1, accompanying drawing 6-8, in extra large construction equipment in the present embodiment, BOP elevator parking position and
Suspension chassis parking position is arranged on the both ends of moon pool length direction.
In the consideration to the extra large construction equipment stability of itself, BOP elevator and suspension chassis this two equipment in sea
Generally symmetrical arrangement can be relatively good on construction equipment.So as a kind of preferable arrangement：BOP elevator and suspension platform
Respectively on the both ends of moon pool length direction, this arrangement sufficiently make use of using this programme structure the parking position of car
Moon pool extra large construction equipment space.
The extra large construction equipment in the present embodiment as shown in accompanying drawing 1, accompanying drawing 6-8, in addition to：It is arranged on the upper slide rail knot of moon pool
Structure 5, rail structure 5 are slidably matched with BOP elevator and suspension chassis, allow BOP elevator and suspension chassis edge
The rail structure 5 at moon pool both ends moves on the length direction of moon pool.
Generally, after preventer and submerged riser system are sent to well head by BOP elevator and suspension chassis,
Need to remove from the center of moon pool.Such as being limited by extra large construction equipment narrow space above, preventer is lifted using loop wheel machine
The mode less science that machine and suspension chassis are hung out in the middle part of moon pool and economy.
Therefore, as shown in accompanying drawing 1, accompanying drawing 7, considered for BOP elevator and suspension chassis movement convenience,
The embodiment above used in the present invention：Rail structure 5 is set on moon pool（That is length direction two of two slide rails in moon pool
Side parallel laid）, while the sliding part that the slide rail is slidably matched is arranged on BOP elevator and suspension chassis（As twisted
Car or gear, rack etc.）, using slide rail coordinate winch or gear, rack composition Sliding Structures cause BOP elevator and
Hanging chassis can be on slide rail toward polyslip, thus can be by this kind of Sliding Structures, by BOP elevator and suspension
Preventer and submerged riser system are sent to well head by chassis, or are removed from the center of moon pool to both sides.
The Sliding Structures formed using above-mentioned rail structure 5 and sliding part, can preferably meet operation convenience and warp
Considering in Ji property.Meanwhile the preferable embodiment of Sliding Structures is the circular arc using linear pattern rail structure 5 or deep camber
Rail structure 5.
As shown in Figure 1, in the present embodiment, rail structure 5 be arranged in parallel along the side of moon pool length direction two.
First, as above, it is however generally that the spaces compact of extra large construction equipment, and along the width insufficient space of moon pool, no
Preferably place BOP elevator and suspension chassis.
In addition, considering from structural strength angle, the span of BOP elevator and suspension chassis is smaller, BOP elevator
It is stronger with suspension trolley structure intensity.
Simultaneously from the point of view of cost, equal design width, in the case of equal load-carrying, span is smaller, preventer liter
Drop machine and suspension chassis cost are lower, conversely, span is bigger, BOP elevator and suspension chassis cost are higher.
As shown in accompanying drawing 1, accompanying drawing 6-8, in the present embodiment, rail structure 5 includes:The part of fixed rack 51 and movement
The part of slide rail 52.
Rail structure 5 is arranged to the part of fixed rack 51 and the part of shifting sledge 52, can be adjusted according to use demand
The position of the part of shifting sledge 52.
In the present embodiment, it is second that the part of shifting sledge 52, which is arranged on the perspective plane in the perspective plane of second space 2,
The projection of space 2 in vertical direction, i.e., during top view as shown in Figure 1, geometry that second space 2 is presented.
In order to meet BOP elevator and hang the movement of chassis, the present invention is provided with moveable shifting sledge 52
Point.
Under normal operation condition, shifting sledge 52 is recovered to the edge of the second space 2 of moon pool, and the of moon pool now
Two spaces, 2 available width will become big.
When needing to use BOP elevator or suspension chassis, removable slide rail 52 is moved to the centre bit of moon pool
Put, with the flush with portions of fixed rack 51.Now, the can of slide rail 52 and fixed rack 51 be may move equally play and allow preventer liter
The effect that drop machine and suspension chassis smoothly slide.
In other embodiments, in order to increase BOP elevator and hang stability of the chassis when lifting work, prevent
Spray apparatus lift and suspension chassis be provided with multiple collaborative works work support pin be supported on extra large construction equipment deck or
Between working face, and the work support pin has telescopic hydraulic pressure or Pneumatic extension device.In BOP elevator or outstanding
When hanging platform car is moved to moon pool center by shifting sledge 52, work support pin stretching, extension, by BOP elevator or suspension
Chassis, which supports, from rail structure 5, makes BOP elevator or suspension chassis be propped up by the deck or working face of extra large construction equipment
Support.When lifting end-of-job, work support pin is shunk, and BOP elevator or suspension chassis are come back on rail structure 5,
And removed from the center of moon pool.
As a preferred embodiment, shifting sledge is provided at both ends with guide rail base 53 as support, the guide rail
Pedestal 53 is fixedly installed on moon pool edge, and being provided with guide rail base 53 can be along the branch of the width of the first space 1 activity
Support arrangement 54, the shifting sledge 52 on guide rail base 53 is set to be movable into and out the perspective plane of second space 2.
Specifically, in order to coordinate the movement of removable slide rail 52, as removable slide rail 52 to support, in removable slide rail
52 both ends are provided with guide rail base 53, and are welded on deck or the working face at moon pool edge, whole with moon pool formation one
Body.Support meanss 54 can be realized using the reciprocating mode such as hydraulic jack or link transmission, for ease of electronics
Change manipulation, the present invention preferably hydraulic jack or cylinder promotes shifting sledge 52.
As shown in Figure 4, under normal operation condition, shifting sledge 52 is withdrawn into the of moon pool by the contraction of hydraulic jack
The edge in two spaces 2, the 2 available width of second space of moon pool now will become big, and waterproof casing 4 is under severe sea condition
Work, the wobble area of its operational stroke lower range is relative will be bigger, and the cable wire and moon pool for avoiding suspension equipment 3 occur not
Necessary collision.
As shown in accompanying drawing 5, accompanying drawing 8, when waterproof casing 4 works under severe sea condition, its operational stroke upper range
Corresponding to expand, with moon pool unnecessary collision occurs for the body of waterproof casing 4 for avoiding slinging.
When needing to use BOP elevator or suspension chassis, start hydraulic jack, shifting sledge 52 is pushed to moon pool
Center, with the flush with portions of fixed rack 51.Now, the removable can of slide rail 52 equally plays with fixed rack 51 allows
The effect that BOP elevator and suspension chassis smoothly slide.
In other embodiments, in order that shifting sledge 52 has higher stability and support force, shifting sledge 52
Length is more than the length of second space 2, and when shifting sledge 52 is pushed to the center direction of moon pool, its both ends is erected at
On the working face at the both ends of second space 2 or deck, meanwhile, the installation site of fixed rack 51 is accordingly offset to both ends, to stay
Go out the activity space of movable rail, and can be with the flush of shifting sledge 52 released by hydraulic jack.
The upper surface of second space 2 can be open the upside towards drilling platforms.
First space 1 and the cross section of second space 2 can have what is extended on the length direction of drilling platforms respectively
Quadrangle form.
The cross-sectional width of the second space 2 formed can be smaller than the cross-sectional width in the first space 1.
The second space 2 of formation can be smaller than the length in the first space 1 in the length that the length direction of drilling platforms extends.
Preferably, its cross section of the second space 2 of the both sides of the first space 1 can use different width, ensure water proof
Sleeve pipe 4 also allows for the hull shape for coordinating extra large construction equipment or drilling platforms while having enough wobble areas.
In other embodiments, the shape of cross section of second space 2 is semicircle or polygon.The present invention's is another
Individual aspect is characterised by a kind of drilling platforms with above-described moon pool.
Compared with prior art, moon pool of the invention, using being opened up on two sides of the length direction of the first space 1 and the
The second space 2 that one space 1 communicates.Wobble area of the waterproof casing 4 on the width of the first space 1 is added, is increased
The operation inclination angle of waterproof casing 4.Avoid sea situation it is severe when carry out drilling work and waterproof casing 4 can be made to hit moon pool edge cause
The problem of accident.
Meanwhile the present invention is avoided out using retractable shifting sledge 52 is laid on the second space 2 of said structure
If resulting in the need for translating former fixed rack 51 to both sides after second space 2, cause what other equipment working space tied up to ask
Topic.
The above, only presently preferred embodiments of the present invention, are not intended to limit embodiment of the present invention, and this area is general
Lead to central scope and spirit of the technical staff according to the present invention, can very easily carry out corresponding flexible or modification, therefore originally
The protection domain of invention should be defined by the protection domain required by claims.
Claims (10)
1. a kind of moon pool, including:It is opened on the extra large construction equipment to carry out the first space of drilling operation, it is characterised in that
Also include：It is respectively formed at the second space of two sides on the length direction in first space, the bottom in first and second space
Portion has through hole, and the second space communicates with first space.
2. moon pool as claimed in claim 1, it is characterised in that the cross section in first space is arranged to set in the extra large work
The quadrangle extended on standby length direction；The second space is arranged on the both sides of the quadrangle length direction.
3. moon pool as claimed in claim 2, it is characterised in that the length of the second space is at least the first space length
The 25% of degree, the width of the second space is less than first space.
4. moon pool as claimed in claim 1, it is characterised in that the second space includes：It is correspondingly formed respectively empty first
Between on the side of length direction two：First extending space and the second extending space, first, second extending space is with first
Space communicates.
5. moon pool as claimed in claim 4, it is characterised in that first, second extending space is horizontal along first space
The length direction axis in section is symmetrical；The cross section of first, second extending space is empty each along described first
Between cross section width axis it is symmetrical.
6. moon pool as claimed in claim 5, it is characterised in that first, second extending space is projected in the extra large work and set
The cross section of standby length direction is quadrangle form.
7. a kind of extra large construction equipment, suitable for carrying out probing work, including suspension equipment and waterproof casing under the conditions of severe sea condition,
Characterized in that, also include moon pool as described in claim 1-6, the waterproof casing under the traction of the suspension equipment,
Probing work is carried out by the moon pool.
8. a kind of slide device, exist for moving device, its feature such as the BOP elevator on extra large construction equipment and suspension chassis
In the slide device is arranged on the moon pool as described in claim 1-6, and the slide device includes being arranged on described first
The rail structure of both sides on the length direction in space；The rail structure includes two length for being separately fixed at first space
Spend the fixed rack of both sides on direction.
9. slide device as claimed in claim 8, it is characterised in that the fixed rack is with the second space in the sea
The part that perspective plane on the length direction of construction equipment is intersected is removed；The rail structure is provided with movement in the perspective plane
Slide rail and the fixed rack concordant docking.
10. slide device as claimed in claim 9, it is characterised in that the shifting sledge is provided at both ends with guide rail base
As support, the guide rail base is fixedly installed on the moon pool edge, and being provided with the guide rail base can be along described
The support meanss of one space width direction activity, make the shifting sledge on the guide rail base be movable into and out the projection
Face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619749.3A CN107672756B (en) | 2016-08-01 | 2016-08-01 | Sliding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610619749.3A CN107672756B (en) | 2016-08-01 | 2016-08-01 | Sliding device |
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| Publication Number | Publication Date |
|---|---|
| CN107672756A true CN107672756A (en) | 2018-02-09 |
| CN107672756B CN107672756B (en) | 2024-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610619749.3A Active CN107672756B (en) | 2016-08-01 | 2016-08-01 | Sliding device |
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| CN (1) | CN107672756B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115787606A (en) * | 2023-02-06 | 2023-03-14 | 中国海洋大学 | Offshore wind farm surveying, installing, operation and maintenance self-elevating platform suitable for deep water |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090002663U (en) * | 2007-09-12 | 2009-03-17 | 삼성중공업 주식회사 | Drillship having integrated skid rail |
| WO2010050680A2 (en) * | 2008-10-27 | 2010-05-06 | 삼성중공업 주식회사 | Moon pool and drillship comprising same |
| KR20140062728A (en) * | 2012-11-15 | 2014-05-26 | 대우조선해양 주식회사 | Moon structure and rig having the same |
| KR20150004519A (en) * | 2013-07-03 | 2015-01-13 | 현대중공업 주식회사 | Flow controller input device of drill ship |
| KR101498246B1 (en) * | 2013-12-26 | 2015-03-03 | 대우조선해양 주식회사 | Material handling structure for moving equipements at moonpoll zone and drill ship including the structure |
| CN205916301U (en) * | 2016-08-01 | 2017-02-01 | 中国国际海运集装箱(集团)股份有限公司 | Moon pool and extra large worker's equipment of having it with set up displacement device on this moon pool |
-
2016
- 2016-08-01 CN CN201610619749.3A patent/CN107672756B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090002663U (en) * | 2007-09-12 | 2009-03-17 | 삼성중공업 주식회사 | Drillship having integrated skid rail |
| WO2010050680A2 (en) * | 2008-10-27 | 2010-05-06 | 삼성중공업 주식회사 | Moon pool and drillship comprising same |
| KR20140062728A (en) * | 2012-11-15 | 2014-05-26 | 대우조선해양 주식회사 | Moon structure and rig having the same |
| KR20150004519A (en) * | 2013-07-03 | 2015-01-13 | 현대중공업 주식회사 | Flow controller input device of drill ship |
| KR101498246B1 (en) * | 2013-12-26 | 2015-03-03 | 대우조선해양 주식회사 | Material handling structure for moving equipements at moonpoll zone and drill ship including the structure |
| CN205916301U (en) * | 2016-08-01 | 2017-02-01 | 中国国际海运集装箱(集团)股份有限公司 | Moon pool and extra large worker's equipment of having it with set up displacement device on this moon pool |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115787606A (en) * | 2023-02-06 | 2023-03-14 | 中国海洋大学 | Offshore wind farm surveying, installing, operation and maintenance self-elevating platform suitable for deep water |
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|---|---|
| CN107672756B (en) | 2024-09-20 |
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Address after: 264000 No. 70 East Island Road, Zhifu District, Shandong, Yantai, Zhifu Applicant after: YANTAI CIMC RAFFLES OFFSHORE Ltd. Applicant after: CHINA INTERNATIONAL MARINE CONTAINERS (GROUP) Ltd. Applicant after: CIMC OFFSHORE ENGINEERING INSTITUTE Co.,Ltd. Address before: No. 2 Shekou Harbour Road in Shenzhen city of Guangdong Province in 518000 Applicant before: CHINA INTERNATIONAL MARINE CONTAINERS (GROUP) Ltd. Applicant before: YANTAI CIMC RAFFLES OFFSHORE Ltd. Applicant before: CIMC OFFSHORE ENGINEERING INSTITUTE Co.,Ltd. |
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