CN206012900U - A kind of light-duty semi-submersible type production platform of high payload ratio - Google Patents
A kind of light-duty semi-submersible type production platform of high payload ratio Download PDFInfo
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- CN206012900U CN206012900U CN201620839805.XU CN201620839805U CN206012900U CN 206012900 U CN206012900 U CN 206012900U CN 201620839805 U CN201620839805 U CN 201620839805U CN 206012900 U CN206012900 U CN 206012900U
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- column
- submersible type
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Abstract
The utility model discloses a kind of high payload ratio semi-submersible type production platform, including three end to end rectangle buoyancy tanks, three columns that are being connected with rectangle buoyancy tank and being spaced apart from each other, it is located at the truss of three column upper ends and the deck being located on the truss, three rectangle buoyancy tanks are configured to middle part and there is triangle hole and generally triangular structure, each rectangle buoyancy tank and the column are the hollow structure of sealing, the column is located on the outside of the junction of adjacent two rectangle buoyancy tank, web type angle cabin is provided with the triangle hole middle position in the junction of two adjacent rectangle buoyancy tanks.The utility model effectively increases load ratio using three column platform buoyancy aids；Improve the economy of semi-submersible type production platform, can be that the exploitation of middle deep water marginal field is cost-effective, and the semi-submersible type production platform is suitable for depth of water scope extensively, displacement is little, transportable property is good, is suitable for carrying out drilling well and production operation under the severe marine environmental conditions such as South China Sea.
Description
Technical field
The utility model is related to field of ocean engineering, in particular to a kind of light-duty partly latent of high payload ratio
Formula production platform.
Background technology
With the continuous expansion of mankind's exploiting ocean oil gas scale, gas and oil in sea is developed just progressively to deeper marine site
Extension.For oil and gas development and the production of more than 300 meters phytal zones, fixed platform is generally adopted.The depth of water is from 300 meters to 1000
The marine site of rice is commonly defined as middle deep water sea area, has substantial amounts of middle-size and small-size and marginal field in this scope whole world.And in
The oil-gas mining and production of deepwater regions, generally requires and adopts floating production platform.Semi-submersible type production platform is used as typical floating
One of formula platform, is widely used to offshore oil evolution and production.The large-scale or medium-sized semi-submersible type production platform of conventional design
Cost is higher, does not possess preferable economy to the exploitation of such oil gas field.And repacked into by old drilling platforms
Although light-duty semi-submersible type production platform has preferable economy, generally platform structure complexity and restricted lifetime, it is impossible to meet
The needs of following offshore oil and gas field exploitation.
Floating production platform is typically made up of top facility part and lower float part, wherein the main work(of top facility
Can be production of hydrocarbons, the major function of lower float is to provide buoyancy and stability.Payload ratio is to weigh Floating Production to put down
The important indicator of platform, is defined as the top facility fractional load weight of platform and the ratio of lower float moiety by weight.Same meeting
Under the conditions of sample operation function, usual payload ratio is higher, then show that the buoyancy aid efficiency of floating platform is higher, and overall economics are got over
Good.The general payload ratio of light-duty semi-submersible type production platform at present using conventional design is relatively low, and economy cannot meet sea
The needs of middle deep water marginal field exploitation.
In sum, it is necessary to research and develop a kind of light-duty semi-submersible type production of high payload ratio with more preferable economy flat
Platform, so as to the demand of deep water marginal field exploitation in meeting.
Utility model content
For the problem for overcoming existing semi-submersible type production platform technology to exist, the utility model provides a kind of with preferably warp
The light-duty semi-submersible type production platform of high payload ratio of Ji property, this platform replace passing using succinct three unique column platform buoyancy aids
Four column buoyancy aids of system, have significant advantage in terms of the longitudinal strength of structure, while using lightweight truss-like bilayer first
Hardened structure and three groups of mooring and positioning system arrangements, significantly improve the payload ratio of platform, and totle drilling cost reduces, and is middle deep water
Great amount of cost is saved in the exploitation of marginal field.
The utility model is realized by technical scheme below：
A kind of light-duty semi-submersible type production platform of high payload ratio, including：Three end to end rectangle buoyancy tanks and rectangle
Buoyancy tank connection and three columns being spaced apart from each other, the truss for being located at three column upper ends and be located on the truss
Deck, three rectangle buoyancy tanks are configured to middle part and there is triangle hole and generally triangular structure, each described square
Shape buoyancy tank and the column are the hollow structure of sealing, and the column is located on the outside of the junction of adjacent two rectangle buoyancy tank,
Web type angle cabin is provided with the triangle hole middle position in the junction of two adjacent rectangle buoyancy tanks, the deck is provided with gently
Pattern block drilling well, the positioning moored system of platform, production of hydrocarbons facility and living facilities, the truss is by diagonal brace and the column
Connection.
The positioning moored system of the platform includes three groups of mooring gears, and each described column is provided with mooring dress described in a group
Put, the mooring gear includes windlass at the top of column, mooring line and the chock mated with mooring line, described lead cable
Device is located at the outside of the column and closes on the bottom of the column, and the mooring line upper end is connected on the windlass and passes through
The chock is extended downwardly.
Each described column be provided with a windlass, three chocks and respectively with three chocks
Corresponding mooring line.
The column includes main paragraph, the upper linkage section for being located at main paragraph upper end and the lower company positioned at the main paragraph lower end
Connect the radial dimension of the radial dimension more than the main paragraph of section, the upper linkage section and the lower linkage section.
Further, the cross section of the main paragraph, the upper linkage section and the lower linkage section is circle.
Further, the deck is the double-decker comprising upper deck and deck of sub-cellar.
Further, three described columns etc. are every distribution.
Further, the column and horizontal buoyancy tank are steel construction piece.
Further, the column and buoyancy tank have been internally formed watertight cabin.
The beneficial effect of technical scheme described in the utility model is：The three column platform buoyancy aids that the utility model is adopted have
Effect improves load ratio；The light-duty semi-submersible type production platform that the utility model is provided improves the economy of semi-submersible type production platform
Property, can be that the exploitation of middle deep water marginal field is cost-effective, and the semi-submersible type production platform is suitable for depth of water scope extensively, displacement
Little, transportable property is good, is suitable for carrying out drilling well and production operation under the severe marine environmental conditions such as South China Sea.
Description of the drawings
Fig. 1 is according to the light-duty semi-submersible type production platform structural representation of the high payload ratio of embodiment of the present utility model
Figure.
Fig. 2 is according to the light-duty semi-submersible type production platform central post side-looking of the high payload ratio of embodiment of the present utility model
Figure.
Fig. 3 is according to the web type angle in the light-duty semi-submersible type production platform of the high payload ratio of embodiment of the present utility model
The top view of cabin arrangement.
Fig. 4 is according to the light-duty semi-submersible type production platform side view of the high payload ratio of embodiment of the present utility model.
In figure, 10, column, 11, rectangle buoyancy tank, 12, web type angle cabin, 13, upper linkage section, 14, lower linkage section, 15, main body
Section, 20, truss, 21, lightweight modules drilling well, 22, production of hydrocarbons facility and living facilities, 23, diagonal brace, 24, upper deck, 25,
Deck of sub-cellar, 30, mooring line, 31 chocks.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with specific embodiment party
Formula is further described to the utility model.It should be appreciated that specific embodiment described herein is only in order to explaining this
Utility model, but be not used to limit the utility model.
As shown in Fig. 1, Fig. 3, Fig. 4, the light-duty semi-submersible type production platform of high payload ratio, including：Three end to end
That rectangle buoyancy tank 11 and rectangle buoyancy tank 11 connect and three columns 10 being spaced apart from each other, the purlin for being located at three 10 upper ends of column
Frame 20 and the deck being located on truss 20, three rectangle buoyancy tanks 11 are configured to middle part and there is triangle hole and generally triangle
The hollow structure of shape structure, each rectangle buoyancy tank 11 and column 10 for sealing, column 10 are located at adjacent two rectangle buoyancy tank 11
Junction on the outside of.
As shown in figure 3, being provided with web type angle cabin in triangle hole middle position in the junction of two adjacent rectangle buoyancy tanks 11
12.
As shown in figure 4, deck is provided with the positioning moored system of lightweight modules drilling well 21, platform, production of hydrocarbons facility and life
Facility 22 living, truss 20 are connected with column 10 by diagonal brace 23.
The positioning moored system of platform includes three groups of mooring gears, and each column 10 is provided with one group of mooring gear, and mooring is filled
The chock 31 mated including the windlass at the top of column 10, mooring line 30 and with mooring line 30 is put, chock 31 is located at
The bottom of column 10 is simultaneously closed in the outside of column 10, and 30 upper end of mooring line is connected on windlass and by chock 31 to downward
Stretch, each column 10 is provided with a windlass, three chocks 31 and mooring line 30 corresponding with three chocks respectively.
As shown in Fig. 2 column 10 includes main paragraph 15, the upper linkage section 13 for being located at 15 upper end of main paragraph and is located at main paragraph
Radial dimension of the radial dimension of the lower linkage section 14 of 15 lower ends, upper linkage section 13 and lower linkage section 14 more than main paragraph 15, and
The cross section of main paragraph 15, upper linkage section 13 and lower linkage section 14 is circle.
As shown in figure 1, deck is the double-decker comprising upper deck 24 and deck of sub-cellar 25.
According to the light-duty semi-submersible type production platform of the high payload ratio of embodiment of the present utility model, between three columns 10
Deng every distribution, column 10 and rectangle buoyancy tank 11 are steel construction piece, have been internally formed a number of watertight cabin, steady for meeting
Qualitatively require.
The combination of three column buoyancy aids of the utility model, under the conditions of identical displacement and height, its total wetted surface area A3 with
The total wetted surface area A4 of the vertical circular abutment buoyancy aid combination of tradition four is compared and is wanted little by 13.4%, and wetted surface area ratio can use formula meter
Calculate
Under unit wetted surface area weight the same terms, four vertical circular abutment buoyancy aids of its buoyancy aid moiety by weight and tradition
Composite floating body moiety by weight is compared and wants little by 13.4%.That is, under the conditions of top facility fractional load weight identical, this
The payload ratio of the vertical circular abutment buoyancy aid combination of the post buoyancy aid group composition and division in a proportion tradition four of utility model three wants high by 13.4%.
The design of column 10 is designed in three-stage variable cross-section on vertical, and upper linkage section 13 and lower linkage section 14 compare main paragraph
15 radius is big, can provide enough stabilities and reserve buoyancy for platform, and 15 diameter of intermediate host section is less, effectively can reduce
The water plane area of platform, increases the catenary motion free period of platform, away from the main energy range of wave, so as to improve the fortune of platform
Dynamic performance.Additionally, the column 10 that the utility model is adopted also has the effect of the vertical additional mass of increase and damping, equally have
Increase catenary motion free period is so as to improving the purpose of platform exercise performance.
Three rectangle buoyancy tanks 11 are configured to middle part and there is triangle hole and generally triangular structure, as shown in figure 3,
Triangle hole middle position is provided with web type angle cabin 12 in the junction of two adjacent rectangle buoyancy tanks 11.
The structure design in web type angle cabin 12, effectively increases additional mass and the damping of catenary motion, changes so as to reach
The purpose of kind platform catenary motion performance；The node connection design between horizontal buoyancy tank and vertical pillars is optimized, section is reduced
The difficulty of point design；The distribution of ballast tank is optimized, the ability to bear of deck changing load is improve.
The light-duty semi-submersible type production platform of high payload ratio, with variable drinking water function, in normal production or drilling condition
Lower drinking water is deep, increases buoyancy；Under the conditions of typhoon, drinking water is reduced, and improves freeboard.The positioning moored system of platform is three groups of mooring lines
Arrangement, per group generally has three mooring lines 30, every 30 upper end of mooring line to be connected on the windlass at the top of platform column 10,
By on the outside of platform column 10 and the chock 31 of the bottom of closing on column 10 is extended downwardly, lower end is connected to positioned at seabed
Rock anchorage base.
The utility model improves the economy of semi-submersible type production platform, has improve due to adopting above-mentioned technical proposal
Effect load ratio, can be that great amount of cost is saved in the exploitation of middle deep water marginal field.The light-duty semi-submersible type that the utility model is provided
Platform has good stability and exercise performance, is suitable for depth of water scope extensively, and displacement is little, and transportable property is good, is suitable in China
Drilling well and production operation are carried out under the severe marine environmental conditions such as South Sea.
Description of the present utility model is given for the sake of example and description, is not exhaustively or by this reality
It is limited to disclosed form with new.Wherein many modifications and variations are obvious for the ordinary skill in the art
's.Select and description embodiment is in order to principle of the present utility model and practical application is better described, and make this area
Those of ordinary skill is it will be appreciated that the utility model is so as to designing the various embodiments with various modifications for being suitable to special-purpose.
Claims (9)
1. the light-duty semi-submersible type production platform of a kind of high payload ratio, it is characterised in that include：Three end to end rectangles are floated
Case and the connection of rectangle buoyancy tank and three columns being spaced apart from each other, the truss for being located at three column upper ends and be located at
Deck on the truss, three rectangle buoyancy tanks are configured to middle part and there is triangle hole and generally triangular structure,
Each rectangle buoyancy tank and the column are the hollow structure of sealing, and the column is located at the company of adjacent two rectangle buoyancy tank
Place outside is connect, and web type angle cabin, the first is provided with the triangle hole middle position in the junction of two adjacent rectangle buoyancy tanks
Plate is provided with lightweight modules drilling well, the positioning moored system of platform, production of hydrocarbons facility and living facilities, and the truss passes through diagonal brace
It is connected with the column.
2. the light-duty semi-submersible type production platform of high payload ratio according to claim 1, it is characterised in that the platform positioning
Anchoring system includes three groups of mooring gears, and each described column is provided with mooring gear described in a group, and the mooring gear includes
Windlass, mooring line and the chock mated with mooring line at the top of column, the chock are located at the outer of the column
The bottom of the column is simultaneously closed in side, and the mooring line upper end is connected on the windlass and by the chock to downward
Stretch.
3. the light-duty semi-submersible type production platform of high payload ratio according to claim 2, it is characterised in that each described column
It is provided with a windlass, three chocks and mooring line corresponding with three chocks respectively.
4. the light-duty semi-submersible type production platform of high payload ratio according to claim 1, it is characterised in that the column includes
Main paragraph, be located at main paragraph upper end upper linkage section and the lower linkage section positioned at the main paragraph lower end, the upper linkage section and
Radial dimension of the radial dimension of the lower linkage section more than the main paragraph.
5. the light-duty semi-submersible type production platform of high payload ratio according to claim 1, it is characterised in that the main paragraph,
The cross section of the upper linkage section and the lower linkage section is circle.
6. the light-duty semi-submersible type production platform of high payload ratio according to claim 1, it is characterised in that the deck is bag
Double-decker containing upper deck and deck of sub-cellar.
7. the light-duty semi-submersible type production platform of high payload ratio according to claim 1, it is characterised in that three columns
Deng every distribution.
8. the light-duty semi-submersible type production platform of high payload ratio according to claim 1, it is characterised in that the column and water
Flat buoyancy tank is steel construction piece.
9. the light-duty semi-submersible type production platform of high payload ratio according to claim 1, it is characterised in that the column and floating
Case has been internally formed watertight cabin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620839805.XU CN206012900U (en) | 2016-08-04 | 2016-08-04 | A kind of light-duty semi-submersible type production platform of high payload ratio |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620839805.XU CN206012900U (en) | 2016-08-04 | 2016-08-04 | A kind of light-duty semi-submersible type production platform of high payload ratio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206012900U true CN206012900U (en) | 2017-03-15 |
Family
ID=58246198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620839805.XU Withdrawn - After Issue CN206012900U (en) | 2016-08-04 | 2016-08-04 | A kind of light-duty semi-submersible type production platform of high payload ratio |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206012900U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114774A (en) * | 2016-08-04 | 2016-11-16 | 中国海洋石油总公司 | A kind of high payload ratio light-duty semi-submersible type production platform |
| RU203506U1 (en) * | 2020-11-06 | 2021-04-08 | Владимир Иванович Лосев | FLOATING STRUCTURE |
| CN113772037A (en) * | 2021-09-17 | 2021-12-10 | 清华大学 | Marine large-scale steel-concrete combination floating semi-submerged platform structure |
-
2016
- 2016-08-04 CN CN201620839805.XU patent/CN206012900U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114774A (en) * | 2016-08-04 | 2016-11-16 | 中国海洋石油总公司 | A kind of high payload ratio light-duty semi-submersible type production platform |
| CN106114774B (en) * | 2016-08-04 | 2019-01-18 | 中国海洋石油总公司 | A kind of light-duty semi-submersible type production platform of high payload ratio |
| RU203506U1 (en) * | 2020-11-06 | 2021-04-08 | Владимир Иванович Лосев | FLOATING STRUCTURE |
| CN113772037A (en) * | 2021-09-17 | 2021-12-10 | 清华大学 | Marine large-scale steel-concrete combination floating semi-submerged platform structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170315 Effective date of abandoning: 20190118 |
|
| AV01 | Patent right actively abandoned |