CN203714154U - Semi-submersible type well drilling and oil storage platform system - Google Patents
Semi-submersible type well drilling and oil storage platform system Download PDFInfo
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- CN203714154U CN203714154U CN201320784745.2U CN201320784745U CN203714154U CN 203714154 U CN203714154 U CN 203714154U CN 201320784745 U CN201320784745 U CN 201320784745U CN 203714154 U CN203714154 U CN 203714154U
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- 238000010168 coupling process Methods 0.000 claims description 5
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- 230000000694 effects Effects 0.000 abstract description 2
- 239000013505 freshwater Substances 0.000 abstract description 2
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- 239000010959 steel Substances 0.000 description 21
- 229920000136 polysorbate Polymers 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 239000010779 crude oil Substances 0.000 description 5
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- 210000000245 forearm Anatomy 0.000 description 1
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- 238000002347 injection Methods 0.000 description 1
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Abstract
The utility model discloses a semi-submersible type well drilling and oil storage platform system which is provided with a semi-submersible type main platform and a plurality of floating type branch platforms, wherein the floating type branch platforms are movably connected with the main platform through connecting arms; the movements of the floating type branch platforms are coupled with the movement of the main platform. According to the system, the movements of the plurality of floating type branch platforms are coupled with the movement of the main platform in a deep sea environment with severe wind wave conditions, so that the multi-freedom movement of the main platform can be reduced, the system is very good in adaptability, and the self-survival capability of the platform system in a windstorm is improved; the floating type branch platforms in the four directions of the main platform in the center can achieve the effect of storing raw oil, so that the oil storage capacity of the semi-submersible type platform is greatly increased; meanwhile, fuel compartments or fresh water compartments can be arranged in the floating type branch platforms, so that the space of the main platform is effectively saved; the floating type branch platforms are far away from the main platform and are better in operating safety.
Description
Technical field
The utility model relates to a kind of well drilling oil storage platform system, relates in particular to a kind of modularization group's formula semi-submerged platform that is applicable to drilling well and oil producing operation under the severe sea condition of deep-sea.Relate to Patent classificating number: B63 boats and ships or other waterborne vessels; The equipment B 63B boats and ships relevant with ship or other waterborne vessels; Marine equipment B63B35/00 is suitable for the boats and ships of special purpose or similar floating structure B63B35/44 floating structure, and floating warehouse between overwater drilling platform or water vehicle, for example, is loaded with oily water separating equipment.
Background technology
In the more and more powerful and power supply of world energy sources demand now more and more under intense situation, open wider power supply approach has just become the emphasis of various countries' development now, wherein offshore oil exploitation technology with the fastest developing speed, and maximum oil resources are being contained at Yu Chao deep-sea, deep-sea, so the oil-gas mining technology of Application and Development in deep-sea becomes a urgent problem.China is faced with hydrocarbon resources and the controversial issue with sovereign right with Southeast Asian countries at present at the South Sea, and deep-sea oil gas exploitation lacks suitable advanced person's deep-sea equipment.Semisubmersible platform has been proved to be as the most a kind of equipment of applicable deep sea drilling, yet its oil tankage is little, offshore oil and gas productive capacity is low.Other traditional ocean equipments, as tension leg platform, jack-up platform, deep draft column formula platform (Spar), though extensively adopt, have the limitation of self.
Tension leg platform relies on tension leg that platform and seafloor foundation are fixed together, utilize platform buoyancy that tension leg is tightened, constraint platform vertical heave movement, but along with the increase of the depth of water, length and the weight of tension leg all increase sharply, and installation difficulty and expense also sharply increase.In the hurricane in the U.S. Gulf of Mexico is sudden and violent, once there is in recent years an accident that causes platform to topple completely due to certain root tension leg fracture, so its applicability was once queried, built in recent years very few.
Jack-up platform can be along its spud leg oscilaltion, and displacement is convenient, but along with the depth of water increases, spud leg cost is soaring rapidly, is only suitable for, in shallow sea, not being suitable for abyssal environment.
Deep draft column formula platform is a kind of compared with Novel platform, because platform center of gravity is lower than centre of buoyancy, so have good stability and exercise performance.But because existing design generally adopts large-diameter deep drinking water cylinder or many dark drinking water cylinders, cause its construction difficulty and cost all higher, and its poor mobility, floor space is little, capacity weight is low, and experience long period also may Non-linear coupling occur while surging and unsteady motion is hit in whirlpool.
Semisubmersible platform developed into for the 6th generation at present, its good stability, floor space is large, and capacity weight is higher, and displacement is convenient, construction difficulty is low, but its heave movement under severe sea condition is violent, and because semisubmersible platform cannot be arranged larger crude oil storage device, generally the crude oil of exploitation can only be stored in its column, so its oil reserve is low, conventionally using it as deep sea drilling platform.
Utility model content
The utility model is for the proposition of above problem, and a kind of semisubmersible well drilling oil storage platform system of development has: the main platform of semisubmersible and many floating are divided platform; Described floating divides platform to be flexibly connected with main platform by connecting arm, and floating divides the motion of platform and the motion of main platform to produce coupling.Under the abyssal environment of stormy waves inclement condition; many floating divide platform owing to producing sports coupling with main platform; can significantly reduce the multifreedom motion of main platform, make system there is very strong comformability, thereby improve certainly the deposit ability of plateform system under storm.
In order to tackle the changeable stormy waves in sea, increase main platform in the stability when the multi-aspect wave, as an embodiment preferably, described floating divides platform to be symmetrical arranged around described main platform.
Further, for traditional main platform of semisubmersible with four these orientation such as larboard, starboard, stem and sterns, in four described orientation, be respectively equipped with a floating and divide platform, and four floating divide between platform and be 90 degree settings, can increase the stability of main platform.
In order to guarantee described connecting arm intensity simultaneously, expendable weight, also conveniently arranges the equipment such as corresponding connecting line and cable as much as possible.And guarantee that floating divides platform can produce actv. coupled motions, and as an embodiment preferably, described connecting arm is truss connecting arm, inner hollow had both alleviated weight, had guaranteed again the intensity of connecting arm.Simultaneously at connecting arm (truss) two ends, make to be hinged, can guarantee that floating divides platform can carry out with respect to main platform the motion of certain amplitude, produce coupling the final exercise performance that improves main each degree of freedom of platform with main platform.
Consider under the drive of wave, floating divides the described connecting arm of moving through of platform to produce the application force to main platform, in order to reduce described connecting arm (truss) internal force, improve the structural safety of connecting arm, as an embodiment preferably, described truss connecting arm is sectional type, between each connecting arm section, by hinge, is flexibly connected.Both can reduce the motion of main platform, reduce again the direct impact of minute platform to main platform.
Further, the application force of considering wave is conventionally comparatively linear at macro-scope, in certain distance, conventionally only have the vibration of short transverse and along the application force (propelling thrust) apart from length direction, conventionally can not produce the application force of deviation distance length direction.Pretending is a preferably embodiment, and the folding direction of the hinge that described truss two ends are middle with truss divides platform parallel with main platform line with floating.
As an embodiment preferably, it is the petrol storage tank of hollow that described floating is divided platform.The crude oil being gathered by main platform, is stored in petrol storage tank to described petrol storage tank by Pipeline transport, has reduced the potential safety hazard that crude oil centralized stores is brought on main platform.Utilize floating to divide the space of platform simultaneously, further increased stability and the oil storage alerting ability of system.
As an embodiment preferably, described floating divides platform to be tubbiness, has cylindrical side wall and round bottom.Cylindrical side wall contributes to reduce wave and the application force of ocean current to minute platform, contributes to reduce the vertical flowing pressure bearing when minute platform moves at the bottom of curved circular.
In order to facilitate main platform and floating to divide the communication of platform, as an embodiment preferably, described connecting arm top is provided with and is communicated with the trestle that main platform and floating are divided platform.
As an embodiment preferably, described main platform at least has double deck, be positioned at the column of below, deck of cellar and be positioned at the floating drum of column below.
Owing to having adopted technique scheme, the semisubmersible well drilling oil storage platform system that the utility model provides, its beneficial effect is: the floating of the main platform four direction of central authorities divides platform can play the effect that stores crude oil, has greatly improved the oil storage capacity of semi-submerged platform.Meanwhile, floating is divided in platform also can arrange bunker or fresh water tank, effectively saves main platform space.Floating divides platform away from main platform, has better operational security.
The floating of the main platform four direction of central authorities divides platform to be connected by truss with central main platform, floating divides the motion of platform and the motion of central main platform to be coupled, limited the motion of main platform, make it have better stability and exercise performance, reduced the dependence to dynamic positioning at deep water sea area of main platform, so can save the energy source and power of main platform.
Floating divides platform to adopt the form of hinge to be connected with main platform by truss, truss forearm axle in the hinge of end rotates, postbrachium axle in the hinge of middle part rotates, and this has limited floating and has divided the lateral drift motion of platform, thereby has avoided floating to divide the mutual collision between platform.Meanwhile, truss connecting arm divides between platform and main platform each floating to keep certain distance, avoids collision to occur.
Form by hinge between described truss leading portion steel arm and described truss back segment steel arm connects, and has strengthened the alerting ability of oil storage barrel platform, and having reduced Internal Force of Truss and lost efficacy may.Adopt truss-like steel arm, construction difficulty is low, saves steel.
When field output declines, can dismantle as required floating and divide platform and truss connecting arm, be installed on other platforms of the same type, increase operation rate and economy.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of embodiment of the present utility model or prior art, by the accompanying drawing of required use in embodiment or description of the Prior Art being done to one, simply introduce below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the lateral plan of the utility model floating oil storage system;
Fig. 2 is the birds-eye view of the utility model floating oil storage system;
Fig. 3 is the schematic diagram that the utility model floating oil storage system divides platform and connecting arm;
Fig. 4 is the schematic diagram of the main platform of the utility model floating oil storage system.
The specific embodiment
For making object, technical scheme and the advantage of embodiment of the present utility model clearer, below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is known to complete description:
As shown in Fig. 1-Fig. 4: embodiment 1
A novel semisubmersible well drilling oil storage platform system, mainly comprises a main platform of semisubmersible, and all the people present's floating is divided platform, and the connecting arm and the trestle work structure that connect them.Main platform is mainly comprised of one deck deck 1, tween deck 2, floating drum 3, column 4.These four orientation that all the people present's floating divides platform 5 to lay respectively at main platform larboard, starboard, stem, stern, every floating is divided between platform and main platform and all by truss connecting arm 6, is connected, and oil storage platform 5 and truss connecting arm 6 are perpendicular to quarter.
Each truss connecting arm 6 connects hinge 10 by front end hinge 7, truss leading portion steel arm 8, the truss back segment steel arm 9 of main platform and truss junction, the middle part that is connected two sections of steel arms and forms.On truss connecting arm 6, be equipped with oil pipeline and transmission cable 11.Truss connecting arm top is walkaround 12.
Described truss leading portion steel arm 8 is connected with the front end hinge 7 of truss junction by described main platform with described tween deck 2, and described truss leading portion steel arm 8 is two and forms in same plane and the steel arm that is parallel to each other; Described truss leading portion steel arm 8 connects hinge 10 with truss back segment steel arm 9 by the described middle part that is connected two sections of steel arms and connects; Described truss back segment steel arm 9 divides platform 5 hinged with described floating, and described truss back segment steel arm 9 has two truss constitutes that are parallel to each other identical with described leading portion steel arm 8; Described trestle 12 is hinged with described tween deck 2, and described trestle 12 divides platform 5 hinged with described floating; Described floating divides platform to have all the people present; Described oil pipeline and transmission cable 11 are laid on floating and divide between platform and main platform; Described column 4 is comprised of six roots of sensation cylinder, and described column 4 upper ends and described tween deck 2 lower ends are fixedly rigidly connected; Described column 4 lower ends and described floating drum 3 upper ends are fixedly rigidly connected, and described floating drum 3 is two, are Parallel Symmetric and arrange.
When platform carries out drilling well or oil producing operation, to described column 4 and the interior water injection ballast of floating drum 3, platform keeps floating condition, whole sinking, and drinking water increases; Main platform, when towage, does not divide platform to be connected with each floating; Before oil producing operation, described floating divide platform 5 and truss connecting arm 6 by barging to working sea area, dock with main platform.
Described truss leading portion steel arm 8 is rigidly connected with the hinge urceolus of the front end hinge 7 of described main platform and truss junction; In this hinge 7, be provided with a rotating shaft, be rigidly connected with described tween deck 2; The urceolus of described hinge 7 and with it rigidly connected truss leading portion steel arm 8 can rotate in the rotating shaft in described hinge 7.
Described truss leading portion steel arm 8 is rigidly connected with the rotating shaft that the middle part that is connected two sections of steel arms connects in hinge 10, and the urceolus of hinge 10 and described truss back segment steel arm 9 are rigidly connected, and the urceolus of described hinge 10 is placed on outside rotating shaft, and hinge urceolus can rotate around this rotating shaft.
Described column 4 is divided into two groups, and three every group, parallel equidistant, divides and stand on described floating drum 3, under tween deck 2.In described column 4 and described floating drum 3, be provided with ballast and ballast chamber; Described floating drum front and back end all adopts arcuate stream line design to reduce towage resistance and wave force, and front and back end downside is equipped with dynamic positioning device.
Described floating divides platform 5 to have four, by truss connecting arm 6, is connected with tween deck 2, and junction lays respectively at the middle part of main platform larboard, starboard, stem, stern.
The above; it is only the preferably specific embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; according to the technical solution of the utility model and utility model design thereof, be equal to replacement or changed, within all should being encompassed in protection domain of the present utility model.
Claims (9)
1. a semisubmersible well drilling oil storage platform system, has: main platform and many floating of semisubmersible are divided platform; Described floating divides platform to be flexibly connected with main platform by connecting arm, and floating divides the motion of platform and the motion of main platform to produce coupling; Described connecting arm is truss, and the two ends of truss divide platform hinged with described main platform and floating respectively.
2. a kind of semisubmersible well drilling oil storage platform system according to claim 1, is further characterized in that: described floating divides platform to be symmetrical arranged around described main platform.
3. a kind of semisubmersible well drilling oil storage platform system according to claim 2, is further characterized in that: it is four that described floating is divided the quantity of platform, and four described floating are divided and between platform, are 90 ° of settings.
4. a kind of semisubmersible well drilling oil storage platform system according to claim 1, is further characterized in that: described connecting arm is truss, and the two ends of truss divide platform hinged with described main platform and floating respectively; Described connecting arm has at least two connecting arm sections, between connecting arm section, by hinge, is flexibly connected.
5. a kind of semisubmersible well drilling oil storage platform system according to claim 4, is further characterized in that: folding direction and the floating of described hinge divides platform parallel with main platform line.
6. according to a kind of semisubmersible well drilling oil storage platform system described in above-mentioned any one claim, be further characterized in that: it is the petrol storage tank of hollow that described floating is divided platform, in connecting arm, be provided with the transport pipe and the transmission cable that are communicated with petrol storage tank and main platform.
7. a kind of semisubmersible well drilling oil storage platform system according to claim 1, is further characterized in that: described floating divides platform to have cylindrical side wall and round bottom.
8. a kind of semisubmersible well drilling oil storage platform system according to claim 6, is further characterized in that: above described connecting arm, be provided with the trestle that the main platform of connection and floating are divided platform.
9. a kind of semisubmersible well drilling oil storage platform system according to claim 6, is further characterized in that: described main platform at least has double deck, be positioned at the column of below, deck of cellar and be positioned at the floating drum of column below; Described connecting arm is connected on described deck of cellar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320784745.2U CN203714154U (en) | 2013-11-29 | 2013-11-29 | Semi-submersible type well drilling and oil storage platform system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320784745.2U CN203714154U (en) | 2013-11-29 | 2013-11-29 | Semi-submersible type well drilling and oil storage platform system |
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| CN203714154U true CN203714154U (en) | 2014-07-16 |
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| CN201320784745.2U Expired - Fee Related CN203714154U (en) | 2013-11-29 | 2013-11-29 | Semi-submersible type well drilling and oil storage platform system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103587660A (en) * | 2013-11-29 | 2014-02-19 | 大连理工大学 | Semi-submersible oil storage platform system for well drilling |
| CN105775045A (en) * | 2016-03-16 | 2016-07-20 | 中国海洋大学 | Buoy stabilizing device |
| CN107351987A (en) * | 2017-06-07 | 2017-11-17 | 广东工业大学 | Post house on a kind of multi-faceted portable Multifunction fishing |
-
2013
- 2013-11-29 CN CN201320784745.2U patent/CN203714154U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103587660A (en) * | 2013-11-29 | 2014-02-19 | 大连理工大学 | Semi-submersible oil storage platform system for well drilling |
| CN105775045A (en) * | 2016-03-16 | 2016-07-20 | 中国海洋大学 | Buoy stabilizing device |
| CN105775045B (en) * | 2016-03-16 | 2017-11-14 | 中国海洋大学 | Buoy stabilizer |
| CN107351987A (en) * | 2017-06-07 | 2017-11-17 | 广东工业大学 | Post house on a kind of multi-faceted portable Multifunction fishing |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20161129 |