CN205524857U - Take how much truss -like stand platforms in oil storage tank - Google Patents
Take how much truss -like stand platforms in oil storage tank Download PDFInfo
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- CN205524857U CN205524857U CN201620058674.1U CN201620058674U CN205524857U CN 205524857 U CN205524857 U CN 205524857U CN 201620058674 U CN201620058674 U CN 201620058674U CN 205524857 U CN205524857 U CN 205524857U
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- truss
- oil storage
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- board
- storage tank
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- 238000003860 storage Methods 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000004873 anchoring Methods 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 9
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 108010066057 cabin-1 Proteins 0.000 description 14
- 238000010276 construction Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000005553 drilling Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 210000005239 tubule Anatomy 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 108010066114 cabin-2 Proteins 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a take how much truss -like stand platforms in oil storage tank, including soft cabin, truss, oil storage tank, hang down and swing board, hard cabin, riser system and mooring system, truss and oil storage tank are connected to soft cabin upper portion, hard cabin is connected to the upper end of truss, hard cabin upper portion is located the production chunk, hanging down and swinging the board and include to hang down and swing board and the flagging board that swings, the flagging board that swings links firmly in the truss hangs down on, and swings the wall connection in board and hard cabin, the riser system includes the riser, hard cabin center is provided with central well, the riser includes chock and anchor chain by last central well, flagging board and the soft cabin of swinging run through in proper order under to, mooring system, and even around hard cabin lower part, the anchor chain passes the chock to the chock, the utility model discloses in add the oil storage tank and realize the oil storage function to hang down on, and swing the vertical stability of board reinforcing platform, the polygon design of hard cabin cross -section effectively reduces the vortex induced vibration risk, the holistic stability of platform, practicality and economic nature all obtain improving.
Description
Technical Field
The utility model relates to an offshore oil engineering technical field, concretely relates to take oil storage tank geometry truss-like stand platform.
Background
The upright post platform is one of main research and development equipment for oil and gas development in deep sea in the world, and is also a key selection target of oil and gas exploration and development system equipment in deep sea areas in south sea in future in China. Compared with other platforms, the upright column platform has the advantages of large applicable water depth range, good movement performance and stability, small change of engineering cost along with the water depth and the like, and has wide application prospect in deep sea oil and gas exploitation in recent years.
The column platform has been developed to third generation so far: the first generation is a traditional column platform, the main body of which is a large diameter, large draft floating column structure with regular appearance. The part below the waterline is a sealed hollow body for providing buoyancy, and is called a buoyancy tank, the bottom of the tank is generally filled with ballast water or used for storing oil, the oil can be stored in the column, and the obvious advantage of the traditional upright column platform is also provided, and the middle part of the tank is anchored on the seabed in a catenary shape by anchor chains. The second generation is a truss type upright platform, and the design concept of the truss type upright platform is to use a truss structure to replace the middle structure of a traditional upright platform cylinder. As the structure for connecting the top hard cabin and the bottom soft cabin, the truss part is a space truss similar to a jacket structure, and compared with a large cylindrical middle structure of a traditional upright post platform, the truss can save steel by 50%. The truss structure is usually composed of a non-inner-inclined upright leg, a horizontal brace rod and an inclined rod. The tubular members in the truss create buoyancy throughout the use of the spar platform. The third generation is the multi-column type stand platform, and honeycomb type promptly, its main part comprises 6 cylinders around a central cylinder, and each single-column can be processed alone, transportation and installation, compares in two first generations of platforms, has reduced the construction degree of difficulty.
The platform of each generation has advantages and disadvantages in use, so that the novel design and optimization of the upright platform never stops. In recent years, various national academic research and development institutions successively put forward some improved stand column platform conceptual designs and perform performance research on the aspects of structure, fatigue, hydrodynamic force and the like, and the aim is to further optimize the structural form, improve the performance of all aspects and reduce the difficulty and cost of construction and installation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a take oil storage tank geometry truss-like stand platform adds the oil storage function among this stand platform, and the design of the geometric polygon of hard cabin cross-section can effectively reduce the vortex induced vibration risk, goes up to hang down and swing the vertical stability that the board design can strengthen the platform, and the holistic practicality of stand platform, stability and economic nature are improved.
The utility model discloses a realize above-mentioned purpose, the technical solution who adopts is:
the utility model provides a take oil storage tank geometry truss-like stand platform, includes soft cabin, truss, oil storage tank, hangs down board, hard cabin, riser system and mooring system, truss and oil storage tank are connected on soft cabin upper portion, and hard cabin is connected to the upper end of truss, and production chunk is located on hard cabin upper portion, it includes the board that hangs down to hang down the board and hang down to swing the board to hang down, and it links firmly in the truss to hang down to swing the board, goes up to hang down the outer wall connection of board and hard cabin.
Preferably, the riser system includes the riser, the hard cabin center is provided with the well, the riser is by last well, flagging swing plate and soft cabin of running through in proper order down, mooring system includes fairlead and anchor chain, and the fairlead is connected around hard cabin lower part, the anchor chain passes the fairlead.
Preferably, the transverse section of the hard cabin is octagonal.
Preferably, the oil storage tank is fixed on the upper part of the soft cabin and is fixedly connected with the truss, and a plurality of oil storage tanks are arranged.
Preferably, the upper heaving plate is composed of a triangular steel plate and a section bar framework, the upper heaving plate is connected with the outer wall of the hard cabin through a connecting pipe, and the upper heaving plate is provided with a plurality of layers which are uniformly distributed around the hard cabin.
Preferably, the upper end of the anchor chain is connected to a winch on a deck of a production block of the existing drilling platform, and the lower end of the anchor chain is radially anchored on the seabed in a catenary manner.
The utility model has the advantages that:
the utility model discloses equilateral octagon is designed into by circular to the hard cabin cross-section, and this design form can improve the atress situation of platform under the effect of wind and wave current, reduces the destruction risk that vortex-induced vibration brought. Meanwhile, the design form can replace a side plate arranged on the conventional upright platform for avoiding vortex-induced vibration, and the effect of reducing the construction difficulty and cost is achieved. The oil storage tank is arranged on the truss bottom located soft tank, the defect that an existing truss type stand column platform does not have oil storage capacity is overcome, and meanwhile the oil storage tank can also be used as a temporary adjustable ballast tank to improve platform stability. The upper heave plates are additionally arranged at the hard cabin part, so that the amount of the heave plates reduced by arranging the oil storage tank at the lower part of the truss is compensated, and the good vertical motion performance of the platform is maintained. The novel upright platform type can realize the optimization effect of the characteristics, and simultaneously can keep the hydrodynamic performance advantage of a small horizontal drag force coefficient of the truss structure and the economic advantage of less construction steel consumption. The utility model discloses take oil storage tank geometry truss-like stand platform can segmentation processing, transportation and installation, has reduced the degree of difficulty, and the construction is more convenient.
Drawings
Fig. 1 is a schematic structural diagram of the integral geometric truss type upright platform with the oil storage tank.
FIG. 2 is a schematic top view of the combination of the hard tank and the upper heave plate.
Fig. 3 is a schematic view of a tank and truss connection structure.
Fig. 4 is a schematic top view of the structural distribution of the oil storage tank.
FIG. 5 is a schematic view illustrating a structure in which a drooping swing plate and a girder are coupled.
Wherein,
1. hard cabin 2, truss 3, soft cabin 41, upper heave plate 42, lower heave plate 5, oil storage tank 6, riser 7, anchor chain 8 and upper block connection point
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
with reference to fig. 1 to 5, a geometric truss type upright platform with an oil storage tank comprises a hard cabin 1, a truss 2, a soft cabin 3, a heave plate, an oil storage tank 5, a riser system and a mooring system, wherein the riser system comprises a riser 6, and the mooring system comprises a cable guide and a cable chain 7. The upper part of the soft cabin 3 is connected with a truss 2, and the upper part of the truss 2 is connected with a hard cabin 1. A central well is arranged in the middle of the hard cabin 1, an upper chunk connecting point 8 is arranged on the upper portion of the hard cabin 1, the upper chunk connecting point 8 facilitates connection of the hard cabin 1 and an upper chunk in an oil drilling platform, and the lower end face of the hard cabin 1 is connected with the truss 2. The truss 2 is made by steel pipe connection, and the steel pipe includes thick pipe and tubule, and truss 2 constitutes the hyperstatic structure in space for vertical not thick pipe and level and the tubule of vertical slope jointly.
The heave plate includes an upper heave plate 41 and a lower heave plate 42, which are conventionally provided to secure the vertical stability of the truss-type spar platform. The outer wall of the hard cabin 1 is connected with an upper heave plate 41, and the upper heave plate 41 consists of a triangular steel plate and a profile framework. The upper heave plate 41 is arranged to compensate for the missing part of the heave plate 42 when the oil tank 5 is arranged at the lower part of the truss 2, so as to ensure and further enhance the vertical stability of the whole geometric truss type upright platform. The upper heave plates 41 are arranged in multiple layers and are uniformly connected around the hard cabin 1. The lower swing plate 42 is connected to the inside of the girder 2 by a thin rod. The drooping swing plate 42 is composed of a steel plate and a section bar framework, water passing holes are formed in the steel plate, and the water passing holes are distributed at intervals from two to four layers and fixedly connected in the truss 2.
The oil storage tank 5 is located the flagging and swings board 42 below, and the lower extreme of oil storage tank 5 is fixed on 3 upper portions of soft cabin, and the outer wall of oil storage tank 5 is connected with truss 2, and oil storage tank 5 is equipped with a plurality ofly, and a plurality of 5 equipartitions of oil storage tank establish around riser 6.
The riser 6 sequentially penetrates through the center well, the drooping swing plate 42 and the soft cabin 3 from top to bottom, the upper end of the riser 6 is connected with an upper production chunk existing in the drilling platform in the prior art, and the lower end of the riser 6 is connected with a seabed wellhead. The vertical pipe 6 only has horizontal limit guidance for the hard cabin 1, and the hard cabin 1 can freely move relative to the vertical direction of the vertical pipe 6. The lower part of the hard cabin 1 is provided with cable guides around, the cable guides are used for an anchor chain 7 to pass through, the upper end of the anchor chain 7 is connected with a winch on a production block deck, and the lower end of the anchor chain 7 is anchored on a seabed in a catenary radial mode. Oil storage tank 5 is provided with a plurality ofly, the utility model provides an oil storage tank 5 is provided with four, and 5 evenly distributed of four oil storage tanks set up around riser 6.
The horizontal cross section of hard cabin 1 is the octagon, and hard cabin 1 wholly is the polygon column, and the outer wall includes eight vertical planes, the horizontal cross section octagon design of hard cabin 1 can be better the elimination vortex excitation dynamic response.
The parts not mentioned in the utility model can be realized by adopting or using the prior art for reference.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (6)
1. The utility model provides a take oil storage tank geometry truss-like stand platform, a serial communication port, including soft cabin, truss, oil storage tank, hang down board, hard cabin, riser system and mooring system, truss and oil storage tank are connected on soft cabin upper portion, and hard cabin is connected to the upper end of truss, and production chunk is located on hard cabin upper portion, hang down the board including hanging down the board and hanging down and swing the board, hang down and swing the board and link firmly in the truss, go up and hang down the outer wall connection of board and hard cabin.
2. The geometric truss type vertical column platform with the oil storage tank as claimed in claim 1, wherein the vertical pipe system comprises a vertical pipe, a central well is arranged in the center of the hard tank, the vertical pipe sequentially penetrates through the central well, the lower swing plate and the soft tank from top to bottom, the anchoring system comprises a cable guide and an anchor chain, the cable guide is connected to the periphery of the lower portion of the hard tank, and the anchor chain penetrates through the cable guide.
3. A geometric truss column platform with storage tanks as defined in claim 1 wherein said rigid deck is octagonal in transverse cross-section.
4. The geometric truss type upright platform with the oil storage tank as claimed in claim 1, wherein the oil storage tank is fixed on the upper part of the soft cabin and is fixedly connected with the truss, and a plurality of oil storage tanks are arranged.
5. The geometric truss type upright post platform with the oil storage tank as claimed in claim 1, wherein the upper heave plate is composed of a triangular steel plate and a section bar framework, the upper heave plate is connected with the outer wall of the hard cabin through a connecting pipe, and the upper heave plate is provided with a plurality of layers which are uniformly distributed around the hard cabin.
6. The geometric truss type spar platform with storage tanks of claim 2, wherein the upper ends of said anchor chains are connected to winches on deck of existing rig production blocks, and the lower ends of said anchor chains are anchored radially in catenary fashion to the seabed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620058674.1U CN205524857U (en) | 2016-01-21 | 2016-01-21 | Take how much truss -like stand platforms in oil storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620058674.1U CN205524857U (en) | 2016-01-21 | 2016-01-21 | Take how much truss -like stand platforms in oil storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205524857U true CN205524857U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620058674.1U Expired - Fee Related CN205524857U (en) | 2016-01-21 | 2016-01-21 | Take how much truss -like stand platforms in oil storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205524857U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107792306A (en) * | 2017-11-24 | 2018-03-13 | 惠生（南通）重工有限公司 | A kind of buoyant tower platform |
| CN108045517A (en) * | 2017-12-07 | 2018-05-18 | 上海外高桥造船有限公司 | The oil storage method of SPAR platforms |
-
2016
- 2016-01-21 CN CN201620058674.1U patent/CN205524857U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107792306A (en) * | 2017-11-24 | 2018-03-13 | 惠生（南通）重工有限公司 | A kind of buoyant tower platform |
| CN107792306B (en) * | 2017-11-24 | 2023-08-15 | 惠生（南通）重工有限公司 | Buoyancy tower platform |
| CN108045517A (en) * | 2017-12-07 | 2018-05-18 | 上海外高桥造船有限公司 | The oil storage method of SPAR platforms |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20170121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |