CN207791080U - Partly latent production platform - Google Patents
Partly latent production platform Download PDFInfo
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- CN207791080U CN207791080U CN201820078532.0U CN201820078532U CN207791080U CN 207791080 U CN207791080 U CN 207791080U CN 201820078532 U CN201820078532 U CN 201820078532U CN 207791080 U CN207791080 U CN 207791080U
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- standing pillar
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- floating body
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Abstract
The utility model provides a kind of partly latent production platform comprising main platform body, floating body, support post, middle standing pillar and steel catenary riser.Floating body is located at the lower section of main platform body；Multiple support posts are fixedly connected between main platform body and floating body with support platform main body；Multiple support posts are distributed along main platform body bottom margin；Middle standing pillar internal run-through, both ends open, and its with multiple support posts parallel and normal to main platform body；The upper end of middle standing pillar is connected to the center of main platform body and the opening of upper end is connected to the main deck of main platform body, and lower end and the floating body of middle standing pillar, which are relatively fixed, to be connect and the opening of lower end is connected to seawater；Multiple steel catenary risers are arranged in middle standing pillar；It is extended in main platform body at the top of steel catenary riser, bottom is stretched into seabed and connect with subsea production system.Since middle standing pillar is located at the metacentric position of platform, reduce steel catenary riser directly by because of fluid force and platform drift, wave caused by moment of flexure.
Description
Technical field
The utility model is related to ocean engineering fields, more particularly to a kind of five column deep water semi-submersible production platforms.
Background technology
Semi-submerged platform makes it have good movenent performance, adapts to deep water sea area, and mobile because having the characteristics that small-waterplane-area
Flexibly, changing load is big, floor space is big, therefore, is widely used in the exploitation of deep water hydrocarbon field.However, existing deep water partly latent
Production platform, mostly four pillar constructions, standpipe from platform topside connect and it is exposed outside, waved by seaway load and platform
Movement influences obviously, and for standpipe by prodigious moment of flexure, this is totally unfavorable to safety in production.
It would therefore be highly desirable to a kind of deep water partly latent production platform for capableing of effective protection upper steel catenary riser of utility model.
Utility model content
In order to solve the above-mentioned technical problem, the utility model lies in that providing a kind of partly latent production platform, to solve existing skill
Art steel catenary riser because platform wave bending moment it is larger due to safety it is poor the problems such as.
In view of the above technical problems, the utility model proposes a kind of partly latent production platforms comprising：Main platform body, floating body,
Multiple support posts, a middle standing pillar and multiple steel catenary risers.Floating body is located at the lower section of the main platform body；Multiple supports are vertical
Column is fixedly connected between the main platform body and the floating body, to support the main platform body；Multiple support post edge
The main platform body bottom margin distribution；Middle standing pillar internal run-through, both ends open；The middle standing pillar and the multiple support
Column is parallel, and perpendicular to the main platform body；The upper end of the middle standing pillar is connected to the center of the main platform body
And the opening of upper end is connected to the main deck of the main platform body, the lower end of the middle standing pillar is relatively fixed company with the floating body
It connects and the opening of lower end is connected to seawater；Multiple steel catenary risers are arranged in the middle standing pillar；The steel catenary riser
Top extends in the main platform body, and bottom is stretched into seabed and connect with subsea production system.
In a preferred approach, the middle standing pillar includes：Column ontology and at least a standpipe bearing；Column ontology is in hollow
Tubular；An at least standpipe bearing is set in the column ontology and is fixedly connected with the inner wall of the column ontology；Each institute
Standpipe bearing is stated to be arranged in equipped with multiple perforation, the steel catenary riser one-to-one correspondence along the cross section of the column ontology
In the perforation.
In a preferred approach, the standpipe bearing is annular plate-like structure, and the multiple perforation is along the standpipe bearing
Circumferentially it is uniformly distributed.
In a preferred approach, each standpipe bearing is made of multiple limiting plates, has institute on each limiting plate
State perforation；Multiple limiting plate is uniformly distributed along the circumferential direction of the column inner body wall.
In a preferred approach, the standpipe bearing is one, is arranged close to the bottom of the column ontology.
In a preferred approach, the standpipe bearing is multiple, and each standpipe bearing is along the axial equidistant of the column ontology
Distribution, and the vertical pipe support of least significant end seats against the bottom setting of the nearly column ontology.
In a preferred approach, the floating body is ring structure, and the floating body passes through multiple crossbeams and the middle standing pillar
Lower end be fixedly connected.
In a preferred approach, the beam vertical is arranged in the support post.
In a preferred approach, the floating body is segmented the polygonal annular body structure constituted, the beam vertical by multiple floating bodies
In the floating body subsection setup.
In a preferred approach, the floating body is integral box-structure, and the lower end of the middle standing pillar is arranged in described float
Body.
Compared with prior art, the utility model has the advantages that：The partly latent production platform of the utility model,
Middle standing pillar is arranged in its center, the i.e. metacentric position of platform, and steel catenary riser is arranged in middle standing pillar so that steel
Catenary riser is effectively protected, reduce steel catenary riser directly by because of fluid force and platform drift, wave and cause
Moment of flexure.
Description of the drawings
Fig. 1 is that embodiment one is dived the dimensional structure diagram of production platform.
Fig. 2 is that embodiment one is dived the side structure schematic diagram of production platform.
Fig. 3 is that embodiment one is dived the side, sectional structural schematic diagram of production platform.
Fig. 4 is that embodiment one is dived the present invention looks up structural representation of production platform.
Fig. 5 is that embodiment two is dived the present invention looks up structural representation of production platform.
Fig. 6 is that embodiment three is dived the dimensional structure diagram of production platform.
Fig. 7 is that embodiment three is dived the side, sectional structural schematic diagram of production platform.
Fig. 8 is that embodiment three is dived the present invention looks up structural representation of production platform.
The reference numerals are as follows：2, main platform body；21, it is open；201, oil vapor treatment module and accommodation module；3, it floats
Body；31, floating body is segmented；4, support post；5, middle standing pillar；51, column ontology；52, standpipe bearing；501, it perforates；521, it limits
Position plate；6, steel catenary riser；7, crossbeam.
Specific implementation mode
Embodying the exemplary embodiment of the utility model features and advantages will describe in detail in the following description.It should be understood that
To be the utility model can have various variations in different embodiments, all do not depart from the model of the utility model
It encloses, and the descriptions and illustrations are essentially for illustration purposes, rather than to limit the utility model.
Embodiment one
Refering to fig. 1 to Fig. 4, latent production platform provided in this embodiment comprising：Main platform body 2, floating body 3, support post
4, middle standing pillar 5 and multiple steel catenary risers 6.
Floating body 3 is located at the lower section of main platform body 2.Support post 4 has multiple, is fixedly connected on main platform body 2 and floating body 3
Between, to support platform main body 2；Multiple support post 4 is distributed along 2 bottom margin of main platform body.The inside of middle standing pillar 5
Perforation, both ends have opening；The middle standing pillar 5 is parallel with multiple support posts 4, and perpendicular to main platform body 2；Middle standing pillar 5
The opening of the upper end center and upper end that are connected to main platform body 2 be connected to the main deck of main platform body 2, middle standing pillar 5
Lower end be relatively fixed and connect and the opening of lower end is connected to seawater with floating body 3.Multiple steel catenary risers 6 are arranged in middle standing pillar
In 5；The top of steel catenary riser 6 extends in main platform body 2, and bottom is stretched into seabed and connect with subsea production system.
The partly latent production platform of the present embodiment, position, the i.e. metacentric position of platform, are arranged intermediate standpipe in its center, and
Steel catenary riser is arranged in middle standing pillar so that steel catenary riser is effectively protected, reduce steel catenary riser directly by
Because of fluid force and platform drift, wave caused by moment of flexure.
Specifically, the main platform body 2 of the present embodiment is rectangular box-structure, center is equipped with connection main platform body
About 2 opening 21.The upper surface of main platform body 2 is the main deck region of platform, is used to place oil vapor treatment module and life
Flexible module 201.
In other embodiments, main platform body 2 can also be truss structure.
Floating body 3 is four side cyclic structures, is internally provided with several ballast tanks and for pipeline arrangement, maintenance overhaul
Channel.The floating body 3 is correspondingly arranged in the lower section of main platform body 2；There are four floating bodies for each side tool of the correspondence main platform body 2 of floating body 3
Segmentation 31.
In actual use, floating body 3 can not be limited herein with round, polygon or other closed structures.
The quantity of support post 4 is four, and adjacent with two floating body in the lower end of four support posts 4 is segmented 31 and docks position
It sets and is fixedly connected, the upper end is fixedly connected with the bottom of 2 corner location of main platform body respectively, with support platform main body 2.This four
Setting is free cabin, ballast tank, chain locker and the channel for transporting personnel and equipment in support post 4.
The upper end of middle standing pillar 5 is arranged in the opening 21 at 2 center of main platform body so that the inner space of middle standing pillar 5 with
The main deck of main platform body 2 is connected to.The lower end base of middle standing pillar 5 is substantially concordant with the bottom surface of floating body 3, middle standing pillar 5 it is interior
Portion space is connected to by its lower end with seawater.The lower end of middle standing pillar 5 passes through four crossbeams 7 and four 31 companies of fixation of floating body segmentation
It connects, which is used to support middle standing pillar 5, improves its rigidity and intensity；More preferably, each crossbeam 7 and main platform body 2 are flat
Row setting, and each crossbeam 7 is perpendicular to floating body connected to it segmentation 31.
In other embodiments, the quantity of crossbeam 7 is not limited to four, can be adjusted according to the practical structures of platform.
In other embodiments, four crossbeams 7 can also be respectively perpendicular to four settings of support posts 4.
Further, middle standing pillar 5 includes：Column ontology 51 and two standpipe bearings 52.
Column ontology 51 is hollow tubular structure, upper and lower opening, the inner space of column ontology 51 through be open thereon with
Main deck is connected to, and the inner space of column ontology 51 is connected to through its under shed with seawater.
Two standpipe bearings 52 are set in column ontology 51, and setting is spaced in 51 short transverse of column ontology.Its
In a standpipe bearing 52 be located substantially at the centre position of 51 short transverse of column ontology；Another standpipe bearing 52 is close to column ontology
51 bottoms enable the standpipe bearing 52 to be arranged substantially adjacent to the bottom of column ontology 51, in the present embodiment i.e. close to platform
Bottom setting.
Standpipe bearing 52 is annular plate-like, and outer edge is fixedly connected with the inner wall of column ontology 51, the standpipe bearing 52
Circumferential direction be uniformly arranged with multiple perforation 501, each perforation 501 is for wearing a steel catenary riser 6, and each standpipe bearing 52 is at two
Height and position fixes multiple steel catenary risers 6, to constrain and protect steel catenary riser 6, so as to further decrease steel stretched wire
The moment of flexure that standpipe 6 is born.Particular on the standpipe bearing 52 close to 51 bottom of column ontology, fluid can be reduced to steel stretched wire
The active force of standpipe 6 avoids steel catenary riser 6 from mutually colliding and damage with column ontology 51.More preferably, each standpipe bearing
Multiple perforation 501 on 52 are correspondingly arranged in the height direction, so that steel catenary riser 6 is along the neat cloth of axis of column ontology 51
If bad distortion occurs to reduce steel catenary riser 6.
Umbilical cables are equipped in addition, being set in middle standing pillar 5, for the defeated of the electric power of subsea production system, signal and hydraulic pressure
It send.More preferably, umbilical cables are also arranged in the perforation 501 of standpipe bearing 52, with reduce directly by because of fluid force and
Platform drift waves caused moment of flexure.
In other embodiments, the quantity of standpipe bearing 52 can also be one or three or more, when one standpipe of setting
When bearing 52, which is arranged close to the bottom of column ontology 51；When multiple standpipe bearings 52 are arranged, each vertical pipe support
Seat 52 is uniformly distributed in height, and the standpipe bearing 52 of bottommost is made to be arranged close to the bottom of column ontology 51.
It should be noted that the four side ring floats 3, support post 4, middle standing pillar 5 and crossbeam 7 of the present embodiment
Can also be prismatic to be cylindrical；At that time when prismatic structures, corner is in arc transition.
Embodiment two
Refering to Fig. 5, the partly latent production platform of the present embodiment is roughly the same with the partly latent production platform structure of embodiment one, no
It is the structure of standpipe bearing with place.
In the present embodiment, standpipe bearing 52 is made of multiple limiting plates 521, is equipped with and is worn on each limiting plate 521
Hole 501, multiple limiting plate 521 are circumferentially uniformly distributed along the inner wall of column ontology 51.
Embodiment three
Refering to Fig. 6 to Fig. 8, the partly latent production platform of the present embodiment and the partly latent production platform structure substantially phase of embodiment one
Together, the difference is that：
The quadrangle box-structure that floating body 3 in the present embodiment is integral, lower end and the floating body 3 of four support posts 4
Corner location be fixedly connected.Wherein, the lower end of middle standing pillar 5 is arranged in floating body 3 so that the inner space of middle standing pillar 5 passes through
Its lower ending opening is penetrated through with seawater, wherein the outer wall of middle standing pillar 5 is fixedly connected with floating body 3.
The utility model proposes partly latent production platform, be equipped with middle standing pillar in its metacentric position, and make steel catenary riser
It is arranged in middle standing pillar, since middle standing pillar is arranged in the center of platform structure, is influenced most by pitching and rolling
It is small, minimum is influenced by pitching and rolling, moment of flexure is generated to steel catenary riser to reduce platform pitching and rolling, and because of sea
Lateral force caused by wave and be damaged.
Although describing the utility model with reference to the above exemplary embodiment, it is to be understood that, term used is to say
Term bright and exemplary, and not restrictive.Since the utility model can in a variety of forms be embodied without departing from practicality
Novel spirit or essence, it should therefore be appreciated that the above embodiment is not limited to any details above-mentioned, and should be in accompanying right
Widely explained in spirit and scope defined by it is required that, thus fall into whole variations in claim or its equivalent scope and
Remodeling all should be appended claims and be covered.
Claims (10)
1. a kind of partly latent production platform, which is characterized in that including：
Main platform body；
Floating body is located at the lower section of the main platform body；
Multiple support posts are fixedly connected between the main platform body and the floating body, to support the main platform body；It should
Multiple support posts are distributed along the main platform body bottom margin；
Middle standing pillar, internal run-through, both ends open；The middle standing pillar is parallel with the multiple support post, and perpendicular to
The main platform body；The upper end of the middle standing pillar be connected to the center of the main platform body and the opening of upper end with it is described
The main deck of main platform body is connected to, the lower end of the middle standing pillar be relatively fixed with the floating body connect and the opening of lower end with it is extra large
Water is connected to；
Multiple steel catenary risers, are arranged in the middle standing pillar；The platform master is extended at the top of the steel catenary riser
On body, bottom is stretched into seabed and is connect with subsea production system.
2. partly latent production platform as described in claim 1, which is characterized in that the middle standing pillar includes：
Column ontology is in hollow tube-shape；
An at least standpipe bearing is set in the column ontology and is fixedly connected with the inner wall of the column ontology；Each
The standpipe bearing is being worn along the cross section of the column ontology equipped with multiple perforation, the steel catenary riser one-to-one correspondence
In in the perforation.
3. partly latent production platform as claimed in claim 2, which is characterized in that the standpipe bearing is annular plate-like structure, institute
Multiple perforation are stated to be uniformly distributed along the circumferential direction of the standpipe bearing.
4. partly latent production platform as claimed in claim 2, which is characterized in that each standpipe bearing is by multiple limiting plate structures
At with the perforation on each limiting plate；Multiple limiting plate is uniformly distributed along the circumferential direction of the column inner body wall.
5. partly latent production platform as claimed in claim 2, which is characterized in that the standpipe bearing is one, close to described
The bottom of column ontology is arranged.
6. partly latent production platform as claimed in claim 2, which is characterized in that the standpipe bearing is multiple, each standpipe bearing
The bottom that the nearly column ontology is seated against along the vertical pipe support of the axial equidistantly distributed of the column ontology, and least significant end is set
It sets.
7. partly latent production platform as described in claim 1, which is characterized in that the floating body is ring structure, the floating body
It is fixedly connected with the lower end of the middle standing pillar by multiple crossbeams.
8. partly latent production platform as claimed in claim 7, which is characterized in that the beam vertical is set in the support post
It sets.
9. partly latent production platform as claimed in claim 7, which is characterized in that the floating body is made of more the segmentation of multiple floating bodies
Side ring physique structure, the beam vertical is in the floating body subsection setup.
10. partly latent production platform as described in claim 1, which is characterized in that the floating body is integral box-structure, described
The lower end of middle standing pillar is arranged in the floating body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820078532.0U CN207791080U (en) | 2018-01-17 | 2018-01-17 | Partly latent production platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820078532.0U CN207791080U (en) | 2018-01-17 | 2018-01-17 | Partly latent production platform |
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| CN207791080U true CN207791080U (en) | 2018-08-31 |
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| CN201820078532.0U Active CN207791080U (en) | 2018-01-17 | 2018-01-17 | Partly latent production platform |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109353464A (en) * | 2018-12-05 | 2019-02-19 | 大连英蕴科技有限公司 | A kind of ocean engineering job platform and operational method |
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2018
- 2018-01-17 CN CN201820078532.0U patent/CN207791080U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109353464A (en) * | 2018-12-05 | 2019-02-19 | 大连英蕴科技有限公司 | A kind of ocean engineering job platform and operational method |
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