CN206494085U - A kind of semisubmersible platform - Google Patents
A kind of semisubmersible platform Download PDFInfo
- Publication number
- CN206494085U CN206494085U CN201720014247.8U CN201720014247U CN206494085U CN 206494085 U CN206494085 U CN 206494085U CN 201720014247 U CN201720014247 U CN 201720014247U CN 206494085 U CN206494085 U CN 206494085U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- platform
- ballast tank
- latch segment
- semisubmersible platform
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model is related to marine floating type platform technology field, more particularly to a kind of semisubmersible platform, including lower floating body, in addition to ballast tank and the connecting rod of connection ballast tank and lower floating body with accommodating ballast cabin, ballast tank is with floating downward the lower section that body is oppositely arranged and is located at lower floating body.The heaving that can be effectively increased platform by ballast tank is damped, its heaving response is reduced, makes platform that there is more preferable heaving performance, so as to increase the effective operation time of platform, platform is disclosure satisfy that the requirement using dry type tree, improve the economic benefit of platform operations.Meanwhile, the center of gravity of platform can effectively be reduced by ballast tank, make platform that there is more preferable stability, so as to improve the work capacity of platform.
Description
Technical field
The utility model is related to marine floating type platform technology field, more particularly to a kind of semisubmersible platform.
Background technology
Marine floating type platform is one of important equipment of offshore and gas development, and common marine floating type Platform Type has four
Kind：Ship type platform, semisubmersible platform, tension leg type platform and open side type platform.Wherein, semisubmersible platform is also known as column stable
Platform, is a kind of mobile platform commonly used during exploratory engineering of off-shore petroleum/gas reservoir is developed.Semisubmersible platform is by platform body, positioned at platform sheet
Lower floating body, connecting platform body and the column of lower floating body and some connection stull diagonal brace compositions below body.
The characteristics of semisubmersible platform has small-waterplane-area product, vertical hydrostatic reply rigidity is smaller, therefore heaving performance
Poor, its larger heaving can influence the normal operation of standpipe.Therefore in storm season, semisubmersible platform must not be infrequently
Ground interruption operation, or even free standpipe, treats that tieback riser restarts operation again again after storm.This shortcoming is greatly reduced
The effective operation time of semisubmersible platform, is added significantly to operating cost.
If the heaving response of semisubmersible platform can be reduced, its effective operation time can be increased.If heaving can be rung
Sufficiently small scope should be reduced to, dry type tree can also be used, installation and maintenance cost will be greatly reduced in this, improve platform
The economic benefit of operation.
Semisubmersible platform, to prevent the component on wave damage deck, leads to due to often suffering from severe environmental conditions
Normal deck plane to the water surface distance all than larger, so as to cause drilling derrick, life building, plant equipment, the brill carried on deck
The center of gravity of the changing loads such as tool, brill material, preventer group is all higher, so the stability of semisubmersible platform is generally poor.
If the height of C.G. of semisubmersible platform can be reduced, its stability can be increased, so as to improve the operation energy of platform
Power.
Therefore, it is necessary to which according to the actual demand of oil-gas mining, development, which is hung low, swings the semisubmersible platform technological development of response.
Utility model content
The technical problems to be solved in the utility model be to provide it is a kind of responded with smaller heaving, the half of preferable platform stability
Submersible platform, to overcome the drawbacks described above of prior art.
In order to solve the above-mentioned technical problem, the utility model is adopted the following technical scheme that：A kind of semisubmersible platform, including under
Floating body, includes the connecting rod of the ballast tank with accommodating ballast cabin and connection ballast tank and lower floating body, ballast tank is with
Floating body is oppositely arranged and is located at the lower section of lower floating body.
Preferably, dividing plate is provided with ballast tank, accommodating ballast cabin is separated into multiple cuddies by dividing plate.
Preferably, the standpipe limiter for being used for limiting standpipe horizontal movement is provided with ballast tank, standpipe limiter is provided with
Multiple interspersed through holes for being used to intert single standpipe, ballast tank is more provided with what is corresponded and be connected with multiple interspersed through holes
Individual through hole.
Preferably, connecting rod compartment of terrain is connected provided with multiple between multiple connecting rods by least one layer of horizontal support structure
Connect, horizontal support structure includes multiple horizontal support bars of the multiple connecting rods of level connection joint.
Preferably, lower floating body is provided with a support base, and support base is provided with elevating mechanism, elevating mechanism and connecting rod it is upper
End connection simultaneously being capable of drive connection bar up and down motion.
Preferably, the outer peripheral face of connecting rod upper end is provided with vertically extending rack；Elevating mechanism includes being located at
At least one drive component on support base, each drive component includes motor, decelerator and the gear being sequentially connected, gear
It is meshed with rack.
Preferably, support base, which is provided with, can clamp or be disconnected the retaining mechanism of bar.
Preferably, retaining mechanism includes at least two latch assemblies on support base, the connection of all latch assemblies edges
The circumference of bar is equally spaced around connecting rod；Each latch assembly includes the latch segment being oppositely arranged with connecting rod
With the first expansion link that latch segment horizontal movement is connected and driven with latch segment.
Preferably, the outer peripheral face of connecting rod upper end is provided with vertically extending rack, and latch segment is towards connecting rod
One side be provided with the gear teeth that can be meshed with rack；Each latch assembly also includes being connected with latch segment and driving latch segment
The second expansion link moved up and down.
Preferably, each latch assembly also includes the extensible member being oppositely arranged with latch segment, and extensible member has extended
The telescopic end offseted with latch segment.
Compared with prior art, the utility model has significant progressive：
Semisubmersible platform of the present utility model connects ballast tank in the lower section of lower floating body, can be effectively increased by ballast tank
The heaving damping of platform, reduces its heaving response, platform is had more preferable heaving performance, so as to increase the effective of platform
Activity duration, platform is disclosure satisfy that the requirement using dry type tree, improve the economic benefit of platform operations.Meanwhile, pass through
Ballast tank can effectively reduce the center of gravity of platform, platform is had more preferable stability, so as to improve the work capacity of platform.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the semisubmersible platform of the utility model embodiment.
Fig. 2 is the schematic front view of the semisubmersible platform of the utility model embodiment.
Fig. 3 is the schematic top plan view of the semisubmersible platform of the utility model embodiment.
Fig. 4 is the schematic top plan view of the ballast tank of the semisubmersible platform of the utility model embodiment.
Fig. 5 is the structural representation of the elevating mechanism of the semisubmersible platform of the utility model embodiment.
Fig. 6 is the schematic diagram when retaining mechanism of the semisubmersible platform of the utility model embodiment is disconnected bar.
Schematic diagram when Fig. 7 is the retaining mechanism clamping connecting rod of the semisubmersible platform of the utility model embodiment.
In figure：
1st, ballast tank 100, cuddy 101, groove
102nd, through hole 2, connecting rod 3, horizontal support bar
4th, lower floating body 5, column 6, support base
7th, dividing plate 8, reinforcement 9, rack
10th, motor 11, decelerator 12, gear
13rd, latch segment 14, the first expansion link 15, the gear teeth
16th, the second expansion link 17, extensible member
Embodiment
Embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.These embodiments are only
For illustrating the utility model, and it is not limitation of the utility model.
, it is necessary to explanation in description of the present utility model, term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicate
Or imply that the device or element of meaning must have specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For to limitation of the present utility model.In addition, term " first ", " second " be only used for describe purpose, and it is not intended that indicate or
Imply relative importance., it is necessary to illustrate in description of the present utility model, unless otherwise clearly defined and limited, art
Language " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or
It is integrally connected；Can be mechanical connection or electrical connection；Can be joined directly together, can also be by between intermediary
Connect connected, can be the connection of two element internals.For the ordinary skill in the art, can be as the case may be
Understand concrete meaning of the above-mentioned term in the utility model.
In addition, in description of the present utility model, unless otherwise indicated, " multiple " are meant that two or more.
As shown in Figures 1 to 7, a kind of embodiment of semisubmersible platform of the present utility model.As shown in Figure 1 to Figure 3, this reality
Applying the semisubmersible platform of example includes lower floating body 4, ballast tank 1 and connecting rod 2.Wherein, lower floating body 4 passes through column 5 and platform body
(not shown) is connected, and lower floating body 4 is located at the lower section of platform body.Ballast tank 1 has accommodating ballast cabin, the ballast
Thing, which accommodates cabin, to be used to hold ballast, and ballast can be seawater or other materials.Ballast tank 1 and the lower phase of floating body 4
To setting and positioned at the lower section of lower floating body 4, the connection ballast tank 1 of connecting rod 2 and lower floating body 4, the i.e. upper end of connecting rod 2 and lower floating body
4 connections, the lower end of connecting rod 2 is connected with ballast tank 1.
The semisubmersible platform of the present embodiment connects ballast tank 1 in the lower section of lower floating body 4, can effectively be dropped by ballast tank 1
The center of gravity of low platform, makes platform have more preferable stability, so as to improve the work capacity of platform.Meanwhile, can by ballast tank 1
The heaving damping of platform is effectively increased, its heaving response is reduced, makes platform that there is more preferable heaving performance, so as to increase flat
The effective operation time of platform, makes platform disclosure satisfy that the requirement using dry type tree, improves the economic benefit of platform operations.
Further, in the present embodiment, the compartment of terrain of connecting rod 2 passes through at least one layer provided with multiple between multiple connecting rods 2
Horizontal support structure is connected, and horizontal support structure includes multiple horizontal support bars 3 of the multiple connecting rods 2 of level connection joint.Such as Fig. 1 institutes
Show, in the present embodiment, lower floating body 4 is into hollow rectangular ring, and ballast tank 1 is rectangular, connecting rod 2 is provided with four, four companies
Four corners of the upper end of extension bar 2 respectively in the lower inner side of floating body 4 are connected with lower floating body 4, and the lower end of four connecting rods 2 exists respectively
It is connected on four angles of ballast tank 1 with ballast tank 1.Horizontal support bar 3 is provided with four, and four difference levels of horizontal support bar 3 connect
Two adjacent connecting rods 2 are connect, and four horizontal support bars 3 are located in same level, constitute one layer of horizontal support structure.By
This can increase the stability connected between lower floating body 4 and ballast tank 1, so as to increase the stability of platform, reduce the heaving of platform
Response.For make platform stability more preferably, heaving response it is lower, multiple-layer horizontal supporting construction can be set between connecting rod 2.When
So, the shape of lower floating body 4 and ballast tank 1, the quantity of connecting rod 2 and horizontal support bar 3, the number of plies of horizontal support structure not offices
It is limited to the present embodiment, can be configured according to the platform of practical application.
In order to further improve the stability of platform, as shown in figure 4, in the present embodiment, dividing plate 7 is provided with ballast tank 1, every
The accommodating ballast cabin of ballast tank 1 is separated into multiple cuddies 100 by plate 7.Ballast is held respectively in multiple cuddies 100
Thing, can make ballast be more evenly distributed in the accommodating ballast cabin of ballast tank 1, so as to more effectively reduce the weight of platform
The heart, the stability for increasing platform.Further, the present embodiment is equipped with reinforcement 8 on the bulkhead of each cuddy 100, to increase
Intensity.Preferably, the accommodating ballast cabin of ballast tank 1 is divided into multiple cuddies 100 by dividing plate 7, i.e., each cuddy 100
It is equal in magnitude.The quantity of cuddy 100 is not limited to, and can be configured according to the actual size of ballast tank 1, for example,
In the present embodiment, the accommodating ballast cabin of ballast tank 1 is divided into nine cuddies 100 by dividing plate 7.
Further, standpipe of the semisubmersible platform provided with insertion operating area, standpipe is provided with many, to prevent many standpipes
Collided in operation process, the present embodiment is provided with the standpipe limiter for being used for limiting standpipe horizontal movement on ballast tank 1
(not shown), standpipe limiter is passed through provided with multiple interspersed through holes for being used to intert single standpipe, ballast tank 1 provided with multiple
Through hole 102, all through holes 102 are corresponded and are connected with all interspersed through holes so that standpipe can pass through standpipe
Limiter and ballast tank 1 and go deep into operating area.Every standpipe is inserted in an interspersed through hole and corresponding insertion respectively
In hole 102, so that multiple standpipes are separated from each other, while also limit the horizontal movement of standpipe, it is to avoid standpipe is because of level
Move and mutually collide.Preferably, standpipe limiter is arranged on the center of ballast tank 1.In the present embodiment, in ballast tank 1
Upper surface center position, i.e., fluted 101 are opened up on the cuddy 100 positioned at center, in the bottom wall of groove 101
On offer through hole 102, standpipe limiter is then placed in groove 101.Thus positioning action can be played to standpipe limiter,
Standpipe limiter is prevented to be subjected to displacement.Intert through hole in the quantity and ballast tank 1 of through hole on the present embodiment neutral tube limiter
102 quantity is not limited to, can be configured according to the quantity of practical application neutral tube.Preferably, all interspersed through holes
The array distribution on standpipe limiter, all through hole 102 array distribution on ballast tank 1.
The quantity of ballast tank 1 is not limited in the utility model, setting that can be as shown in this embodiment one, can also
One or more ballast tank is set up again below the ballast tank 1 of the present embodiment, to further function as reduction platform center of gravity, increase
The effect of platform heaving damping.
Further, to increase the operating water depth scope of platform, in the present embodiment, lower floating body 4 is provided with a support base 6,
Support base 6 be provided with elevating mechanism, elevating mechanism be connected with the upper end of connecting rod 2 and can drive connection bar 2 move up and down.It is logical
The up and down motion for crossing connecting rod 2 drives ballast tank 1 to move up and down, so as to adjust the upper-lower position of ballast tank 1, therefore in water
During deep larger region job, the center of gravity of platform can be reduced by reducing the position of ballast tank 1, so that platform is in the depth of water
Larger region can also keep good stability, thereby increase the operating water depth scope of platform, extend the operation energy of platform
Power.
Elevating mechanism in the present embodiment drive connection bar 2 by way of rack pinion moves up and down.Specifically,
As shown in figure 5, the outer peripheral face of the upper end of connecting rod 2 is provided with vertically extending rack 9, elevating mechanism is included located at support
At least one drive component on seat 6, each drive component includes motor 10, decelerator 11 and the gear 12 being sequentially connected,
Gear 12 is meshed with rack 9.Rotated by the drive gear 12 of motor 10, it is real with the transmission between gear 12 and rack 9
Existing connecting rod 2 moves up and down.The rotating speed of gear 12 can be adjusted by decelerator 11, so as to control what connecting rod 2 moved up and down
Speed, and then adjust the control underwater depth of ballast tank 1.Support base 6 in the present embodiment is provided with four, four support bases 6
Four corners of the lower inner side of floating body 4 are separately positioned on, four connecting rods 2 of driving is respectively used to and moves up and down.Each support base 6
On be equipped with four drive components, four drive components drive a connecting rod 2 to move simultaneously.Certainly, the quantity of support base 6 and
The quantity of drive component is not limited to the present embodiment, can be configured according to the quantity and size of connecting rod 2.
Further, for realize connecting rod 2 move up and down in place after be locked, the present embodiment is provided with support base 6
It can clamp or be disconnected the retaining mechanism of bar 2.When retaining mechanism departs from connecting rod 2, connecting rod 2 can be in elevating mechanism
Driving under move up and down, after connecting rod 2 moves up and down in place, pass through retaining mechanism clamp connecting rod 2, it is possible to achieve connection
The positioning of bar 2, prevents that connecting rod 2 is subjected to displacement in operation process.
As shown in Figure 6 and Figure 7, the retaining mechanism of the present embodiment includes at least two latch assemblies on support base 6,
Circumference of all latch assemblies along connecting rod 2 is equally spaced around connecting rod 2, and each latch assembly is included with connecting
Latch segment 13 that extension bar 2 is oppositely arranged and the first expansion link 14 that the horizontal movement of latch segment 13 is connected and driven with latch segment 13.
As shown in fig. 6, during the retraction of the first expansion link 14, latch segment 13 leaves connecting rod 2 so that connecting rod 2 can be in elevating mechanism
Driving is lower to move up and down.As shown in fig. 7, during the stretching of the first expansion link 14, driving latch segment 13 to be moved towards connecting rod 2, making locking
Block 13 is pressed in connecting rod 2, by the compressing jointly to connecting rod 2 of latch segment 13 of multiple latch assemblies, can be realized pair
The clamping action of connecting rod 2, limits the upper and lower displacement of connecting rod 2, plays a part of fixed connecting rod 2.When need adjust ballast
During 1 underwater depth of cabin, the first expansion link 14 is retracted, drive latch segment 13 to move and be disconnected bar 2, you can by rising
Descending mechanism drive connection bar 2, which moves up and down, realizes the regulation of the upper-lower position of ballast tank 1.The quantity of latch assembly is simultaneously in the present embodiment
Do not limit to, two or more can be set.The first expansion link 14 in the present embodiment can be cylinder or hydraulic cylinder
Or electric pushrod.
Further, it is clamping effect of the reinforcement latch segment 13 to connecting rod 2, it is preferable that the court of latch segment 13 of the present embodiment
The gear teeth 15 that can be meshed with the rack 9 of the upper end of connecting rod 2 are provided with to the one side of connecting rod 2, each latch assembly is also wrapped
Include the second expansion link 16 for being connected and driving latch segment 13 to move up and down with latch segment 13.Lock is driven when the first expansion link 14 stretches out
Tight block 13 towards connecting rod 2 move when, the second expansion link 16, which stretches out, drives latch segment 13 to be moved upwardly or downwardly, regulation latch segment 13
Upper-lower position so that when latch segment 13 is contacted with connecting rod 2, the gear teeth 15 on latch segment 13 can be with the tooth in connecting rod 2
Bar 9 is meshed, so that latch segment 13 and connecting rod 2 are relatively fixed in the vertical direction.Thus, it is possible to effectively enhancing locking
Clamping action of the block 13 to connecting rod 2.The second expansion link 16 in the present embodiment can be cylinder or hydraulic cylinder or electronic
Push rod.
Further, for be further ensured that connecting rod 2 kept in operation process fixation, it is preferable that the present embodiment it is each
Latch assembly also includes the extensible member 17 being oppositely arranged with latch segment 13, and extensible member 17 offsets with extended with latch segment 13
The telescopic end held.Stretched out in place in the first expansion link 14 and the second expansion link 16, latch segment 13 is matched for clamping tightly after connecting rod 2,
The telescopic end of extensible member 17 stretches out and is pressed on latch segment 13, plays a part of fixed locking block 13.The present embodiment is in locking
Top, lower section and the side away from connecting rod 2 of block 13 are equipped with extensible member 17, and all extensible members 17 can be total to when stretching out
With latch segment 13 is gripped, so as to ensure the fixation of latch segment 13 and connecting rod 2.Extensible member 17 in the present embodiment is very heavy
Top.Certainly, the form of the quantity of extensible member 17 is not limited to the present embodiment.
In summary, the semisubmersible platform of the present embodiment, by connecting ballast tank 1, the ballast tank 1 below lower floating body 4
Have the function of heave plate concurrently, effectively reduce the heaving response of platform, platform is provided with more preferable heaving performance, can meet and adopt
With the requirement of dry type tree.Meanwhile, the ballast tank 1 effectively reduces platform center of gravity, make platform be provided with more preferable stability and
Work capacity.In addition, by the up and down motion of connecting rod 2 ballast tank 1 can be driven to lift, platform is set to be provided with wider array of operation water
Deep scope.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model technical principle is not departed from, some improvement and replacement can also be made, these change
Enter and replace and also should be regarded as protection domain of the present utility model.
Claims (10)
1. a kind of semisubmersible platform, including lower floating body (4), it is characterised in that also including the ballast with accommodating ballast cabin
Cabin (1) and the connecting rod (2) of the connection ballast tank (1) and the lower floating body (4), the ballast tank (1) and the lower floating body
(4) it is oppositely arranged and positioned at the lower section of the lower floating body (4).
2. semisubmersible platform according to claim 1, it is characterised in that dividing plate (7), institute are provided with the ballast tank (1)
State dividing plate (7) and the accommodating ballast cabin is separated into multiple cuddies (100).
3. semisubmersible platform according to claim 1, it is characterised in that being provided with the ballast tank (1) is used to limit
The standpipe limiter of standpipe horizontal movement, the standpipe limiter is used to intert the interspersed logical of the single standpipe provided with multiple
Hole, the ballast tank (1) is provided with the multiple through holes (102) for corresponding and being connected with the multiple interspersed through hole.
4. semisubmersible platform according to claim 1, it is characterised in that connecting rod (2) compartment of terrain is provided with multiple, institute
State and connected by least one layer of horizontal support structure between multiple connecting rods (2), the horizontal support structure includes level connection joint
Multiple horizontal support bars (3) of the multiple connecting rod (2).
5. semisubmersible platform according to claim 1, it is characterised in that the lower floating body (4) is provided with a support base
(6), the support base (6) is provided with elevating mechanism, and the elevating mechanism is connected and can driven with the upper end of the connecting rod (2)
The dynamic connecting rod (2) moves up and down.
6. semisubmersible platform according to claim 5, it is characterised in that set on the outer peripheral face of connecting rod (2) upper end
There is vertically extending rack (9)；The elevating mechanism includes at least one driving group on the support base (6)
Part, each drive component includes motor (10), decelerator (11) and the gear (12) being sequentially connected, the gear (12)
It is meshed with the rack (9).
7. semisubmersible platform according to claim 5, it is characterised in that the support base (6) provided with can clamp or
Depart from the retaining mechanism of the connecting rod (2).
8. semisubmersible platform according to claim 7, it is characterised in that the retaining mechanism includes being located at the support base
(6) at least two latch assemblies on, circumference of all latch assemblies along the connecting rod (2) is equally spaced in institute
State around connecting rod (2)；Each latch assembly include the latch segment (13) being oppositely arranged with the connecting rod (2) and
First expansion link (14) of the latch segment (13) horizontal movement is connected and driven with the latch segment (13).
9. semisubmersible platform according to claim 8, it is characterised in that set on the outer peripheral face of connecting rod (2) upper end
Have a vertically extending rack (9), the latch segment (13) towards the connecting rod (2) one side provided with can with it is described
The gear teeth (15) that rack (9) is meshed；Each latch assembly also includes being connected with the latch segment (13) and driving institute
State the second expansion link (16) of latch segment (13) up and down motion.
10. semisubmersible platform according to claim 8, it is characterised in that each latch assembly also includes and institute
The extensible member (17) that latch segment (13) is oppositely arranged is stated, the extensible member (17) offsets with extended with the latch segment (13)
The telescopic end held.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720014247.8U CN206494085U (en) | 2017-01-06 | 2017-01-06 | A kind of semisubmersible platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720014247.8U CN206494085U (en) | 2017-01-06 | 2017-01-06 | A kind of semisubmersible platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206494085U true CN206494085U (en) | 2017-09-15 |
Family
ID=59803123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720014247.8U Active CN206494085U (en) | 2017-01-06 | 2017-01-06 | A kind of semisubmersible platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206494085U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106741697A (en) * | 2017-01-06 | 2017-05-31 | 上海利策科技股份有限公司 | A kind of semisubmersible platform |
| CN111232141A (en) * | 2020-01-14 | 2020-06-05 | 西安石油大学 | Marine floating body with movable ballast tank |
-
2017
- 2017-01-06 CN CN201720014247.8U patent/CN206494085U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106741697A (en) * | 2017-01-06 | 2017-05-31 | 上海利策科技股份有限公司 | A kind of semisubmersible platform |
| CN111232141A (en) * | 2020-01-14 | 2020-06-05 | 西安石油大学 | Marine floating body with movable ballast tank |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101857072B (en) | Unconditional stability equipped deep-draft floating production platform and offshore installation method thereof | |
| EP3114026B1 (en) | Offshore drilling system, vessel and methods | |
| KR101151091B1 (en) | Auxiliary float of floating structure and method for remodeling floating structure | |
| CN1139516C (en) | Working ship | |
| US8444347B2 (en) | Truss heave plate system for offshore platform | |
| CN201172814Y (en) | Shallow sea self-lifting production testing work platform | |
| CN102501949B (en) | Truss type platform with multiple upright columns | |
| US2574140A (en) | Marine oil well derrick foundation | |
| CN104321247A (en) | Ring wing floating platform | |
| BRPI0415190B1 (en) | EXTENSIBLE SEMI-SUBMERGABLE PLATFORM | |
| CN201961509U (en) | Unconditional stability equipped deep-draft floating oil production platform | |
| WO2012144952A1 (en) | A multi-functional jack up system for decommissioning an offshore platform | |
| SG177019A1 (en) | Movable brace frame for self-installing platform | |
| CN206494085U (en) | A kind of semisubmersible platform | |
| CN106741697A (en) | A kind of semisubmersible platform | |
| CN103518031B (en) | For limiting the equipment of the assembly of suspension and for the restriction device of tensioner assembly | |
| CN101555770A (en) | Crawler type direct and reverse circulation drilling machine | |
| US4969776A (en) | Offshore platforms | |
| CN104963327A (en) | Jacket | |
| CN201151470Y (en) | Semisubmersible drilling platform | |
| CN201647096U (en) | Modular platform for deep draft truss column | |
| NL8200488A (en) | SLIDING TOWER WITH TENSIONED LEGS. | |
| CN104832122B (en) | A kind of recyclable multi-stage expansion Convenient table of mud layer under water | |
| CN202414124U (en) | Multi-vertical-column truss type platform | |
| US10612315B2 (en) | Smart skidding system for land operations |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |