CN204507207U - Semi-submersible offshore platform and lower buoyancy aid thereof - Google Patents
Semi-submersible offshore platform and lower buoyancy aid thereof Download PDFInfo
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- CN204507207U CN204507207U CN201520189045.8U CN201520189045U CN204507207U CN 204507207 U CN204507207 U CN 204507207U CN 201520189045 U CN201520189045 U CN 201520189045U CN 204507207 U CN204507207 U CN 204507207U
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- 239000000295 fuel oil Substances 0.000 claims description 13
- 239000002002 slurry Substances 0.000 claims description 9
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- 150000003839 salts Chemical class 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- MOVRNJGDXREIBM-UHFFFAOYSA-N aid-1 Chemical compound O=C1NC(=O)C(C)=CN1C1OC(COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C(NC(=O)C(C)=C2)=O)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)COP(O)(=O)OC2C(OC(C2)N2C3=C(C(NC(N)=N3)=O)N=C2)CO)C(O)C1 MOVRNJGDXREIBM-UHFFFAOYSA-N 0.000 description 23
- 238000005553 drilling Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
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- 230000008901 benefit Effects 0.000 description 2
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- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 235000020681 well water Nutrition 0.000 description 2
- 239000002349 well water Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 239000002199 base oil Substances 0.000 description 1
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- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
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- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- 239000003921 oil Substances 0.000 description 1
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- Earth Drilling (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The utility model provides a kind of semi-submersible offshore platform and lower buoyancy aid thereof, the outside plate of described lower buoyancy aid encloses mutually and makes lower buoyancy aid inside be formed with cavity, multiple cabin has been separated to form in this cavity, described cabin comprises the monoshell cabin with single hull and the cabin, bivalve with double hull, and described double hull tank number of chambers amount is at least one; Cabin, described bivalve has the outside plate inner hull separately with lower buoyancy aid, and this inner hull and described outside plate form the double-layer shell structure in this cabin, bivalve jointly.In the utility model, at least one cabin, bivalve is set in lower buoyancy aid; the outside plate of the inner hull in cabin and lower buoyancy aid is made together to form the double hull in cabin; reduce lower buoyancy aid to have an accident the possibility occurring after impact failure to reveal, play the effect of protecting the marine environment.Meanwhile, in double-deck cabin, can bulkhead structure be improved, change section bar position, thus reduce inner dead space, be beneficial to the cleaning in cabin.
Description
Technical field
The utility model relates to field of ocean engineering, relates to a kind of floating type offshore structures, more specifically, relates to a kind of semi-submersible offshore platform and lower buoyancy aid thereof.
Background technology
Semi-submersible offshore platform can arrange liquid tank usually in lower buoyancy aid, and liquid tank generally comprises ballast tank, fuel oil tank, fresh water tank etc.For drilling platform, owing to needing the drill fluid carried needed for drilling operation, usually also need to arrange drilling well water tank, salt water tank, slurry cabin, base oil cabin etc.Under normal circumstances, be separated out the cabin of above-mentioned difference in functionality in lower buoyancy aid by bulkhead structure, the outside plate of lower buoyancy aid can directly as the part coaming plate in these cabins.Such as shown in Fig. 1, under existing one in float structure, lower buoyancy aid cross-sectional plane is furnished with two cabins 14 ', the coaming plate in each cabin 14 ' is formed by as the bottom plank 102 ' of external plate of floating downward, buoyancy aid upper deck 101 ', side plate 103 ' and the bulkhead plating 141 ' that is positioned at lower buoyancy aid, forms the passage 15 ' passed through for operator between two bulkhead plating 141 ' in cabin 14 '.
For some crucial liquid tanks, such as fresh water tank and slurry cabin, existing this vibrational power flow, cabin interior can be made to have a large amount of T profile, a large amount of dead angle can be there is in flushing process, bacterium also can be caused in fresh water tank residual to fresh water formation chronic pollution, mud then also can be caused in slurry cabin to remain, impact allocating mud next time, slurry cabin also can because of the existence at T profile dead angle, and easily cause each material fully not mix in whipping process simultaneously.
Meanwhile, this cabin structure of buoyancy aid under prior art, make outside plate damaged once lower buoyancy aid runs into accident collision, the cabin of breakage will be communicated with ocean, also can cause the pollution of marine environment.
Utility model content
The purpose of this utility model is to provide a kind of semi-submersible offshore platform and lower buoyancy aid thereof, overcomes fluid cabin in the lower buoyancy aid of prior art and arranges unreasonable shortcoming, improves ship cabin arrangement structure in lower buoyancy aid.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
According to an aspect of the present utility model, the utility model provides a kind of lower buoyancy aid of semi-submersible offshore platform, the outside plate of lower buoyancy aid encloses mutually and makes lower buoyancy aid inside be formed with cavity, multiple cabin has been separated to form in this cavity, described cabin comprises the monoshell cabin with single hull and the cabin, bivalve with double hull, and described double hull tank number of chambers amount is at least one; Cabin, described bivalve has the outside plate inner hull separately with lower buoyancy aid, and this inner hull and described outside plate form the double hull in this cabin, bivalve jointly.
Preferably, cabin, described bivalve comprises fresh water tank, salt water tank and slurry cabin.
Preferably, the inner hull in cabin, described bivalve comprises inner hull, tank top plate, horizontal inner hull and longitudinal inner hull, all has interval between the outside plate of tank top plate and longitudinal inner hull and described lower buoyancy aid.
Preferably, described horizontal inner hull comprises the horizontal inner hull of the horizontal inner hull in bow side and stern side, and described longitudinal inner hull comprises the longitudinal inner hull of the longitudinal inner hull in outside and inner side; Each horizontal inner hull and longitudinal inner hull are provided with section bar, and wherein, the section bar at least on the horizontal inner hull in bow side, the longitudinal inner hull of the horizontal inner hull in stern side and outside is positioned at the outside of the indoor shell of described double hull tank.
Preferably, cabin, described bivalve is respectively in the both sides of lower buoyancy aid longitudinal axis in cabin, two bivalves transversely in a symmetrical arrangement along described lower buoyancy aid, in a symmetrical arrangement, and is provided with passage between two double-deck cabins.
Preferably, described lower buoyancy aid has anchor bracket in the outside plate arranged outside of its longitudinal axis side; Described monoshell cabin comprises fuel oil tank, and described fuel oil tank is positioned at the side of lower buoyancy aid away from described anchor bracket.
Preferably, described lower buoyancy aid comprises interlude and is separately positioned on the bow stern section at the longitudinal two ends of interlude, and described bow stern section is longitudinally upper is the structure by centre to two ends taper in width, the constant width of described interlude; Cabin, described bivalve is arranged in described bow stern section.
Preferably, described double hull tank number of chambers amount is four, is symmetrically distributed in the bow stern section of described lower buoyancy aid, and this cabin, four bivalves is near the interlude of lower buoyancy aid.
According to another aspect of the present utility model, the utility model also provides deep water semi-submersible drilling platform in one, comprises lower buoyancy aid as above.
As shown from the above technical solution; the utility model at least tool has the following advantages and good effect: in lower buoyancy aid, arrange at least one cabin, bivalve in the utility model; the outside plate of the inner hull in cabin and lower buoyancy aid is made together to form the double hull in cabin; reduce lower buoyancy aid to have an accident the possibility occurring after impact failure to reveal, play the effect of protecting the marine environment.Meanwhile, in double-deck cabin, can bulkhead structure be improved, change section bar position, thus reduce inner dead space, be beneficial to the cleaning in cabin.
Accompanying drawing explanation
Fig. 1 is the cross sectional representation of buoyancy aid under a kind of semi-submersible offshore platform of prior art.
Fig. 2 be under the utility model semi-submersible offshore platform larboard buoyancy aid one embodiment overlook layout schematic diagram.
Fig. 3 is the removed section schematic diagram at A-A place in the utility model Fig. 2.
Description of reference numerals is as follows: 1, lower buoyancy aid; 101, buoyancy aid upper deck; 102, bottom plank; 103, side plate; 11, bow stern section; 12, interlude; 14a, cabin, bivalve; 141a, upper inner hull; 142a, tank top plate; 143a, the longitudinal inner hull in outside; 144a, the longitudinal inner hull in inner side; 145a, the horizontal inner hull in bow side; 146a, the horizontal inner hull in stern side; 14b, fuel oil tank; 15, passage; 16, wing tank; 7, anchor bracket.
Detailed description of the invention
The exemplary embodiment embodying the utility model feature & benefits will describe in detail in the following description.Be understood that the utility model can have various changes on different embodiments, it neither departs from scope of the present utility model, and explanation wherein and to be shown in be use when explain in essence, and be not used to limit the utility model.
The utility model provides a kind of semi-submersible offshore platform and lower buoyancy aid thereof, when semi-submersible offshore platform deposits operating mode cruelly certainly at working condition or wind resistance, lower buoyancy aid will be submerged in the seawater of b.s.l. completely, for ocean platform integral provides buoyancy, to bear environmental load, working weight and light weight.Semi-submersible offshore platform can be used as drilling platform and carries out oil and gas development, and operating depth can at 80 meters about-1500 meters, and variable load is about 5000-6000 ton.More preferably, allow sea temperature scope to be 0-32 degree Celsius during semi-submersible offshore platform operations provided by the utility model, operation allows ambient air temperature scope for negative positive 35 degrees Celsius of 7-, can in marine site operations such as U.K. North Sea.
If no special instructions, " longitudinal direction " that hereinafter relate to all with the length direction of platform for reference, accordingly, the two ends of platform longitudinal direction are called bow and stern; " transverse direction " all with the Width of platform for reference, accordingly, the both sides of platform transverse direction are called port and starboard.Wherein, the length direction of lower buoyancy aid is consistent with the length direction of platform.
The agent structure of semi-submersible offshore platform provided by the utility model comprises two lower buoyancy aids, is vertically arranged at least four columns on lower buoyancy aid, and is supported in the main body on column.Lower buoyancy aid extends longitudinally, and two lower buoyancy aids are respectively in port and starboard symmetrically, and twice buoyancy aid parallel interval is arranged.The lower end of four columns is separately positioned on bow and the stern of two lower buoyancy aids, between the two relative columns of port and starboard, be also connected with stull, and the upper end of four columns supports main body.The constructional drawing of semi-submersible offshore platform can refer to existing semisubmersible platform, and no longer accompanying drawing is illustrated herein.
Layout and the structure focusing on lower buoyancy aid of the present utility model, specifically introduces below.
Consult Fig. 2 and Fig. 3, in the present embodiment, lower buoyancy aid (larboard) 1 comprises bow stern section 11 and an interlude 12 in the vertical, bow stern section 11 is connected to the two ends of interlude 12 longitudinal direction, bow stern section 11 is longitudinally upper is the structure by centre to two ends taper in width, the constant width of interlude 12, bow stern section 11 is respectively as the bow of lower buoyancy aid 1 and stern.Lower buoyancy aid 1 is cylinder, but compared with longitudinal length, lower buoyancy aid 1 only has less height.The external structure plate (i.e. outside plate) of lower buoyancy aid 1 comprises buoyancy aid upper deck 101, bottom plank 102, and is arranged at the side plate 103 between buoyancy aid upper deck 101 and bottom plank 102.Buoyancy aid upper deck 101 and bottom plank 102 are parallel to each other, the upper and lower side of side plate 103 is connected with buoyancy aid upper deck 101, bottom plank 102 round-corner transition respectively, and buoyancy aid upper deck 101, bottom plank 102 and side plate 103 enclose mutually and make lower buoyancy aid 1 inside form cavity.
Be separated to form multiple cabin in the cavity of lower buoyancy aid 1, according to the difference of function, roughly there are propelling unit cabin, ballast tank, pump room, fresh water tank, salt water tank, slurry cabin, drilling well water tank, fuel oil tank etc. in these cabins, are separated mutually between cabin by bulkhead plating.
More preferably, for the crucial liquid tank of part in these cabins, adopt double hull to protect, the cabin these with double hull is called cabin, bivalve, and label is 14a.Each bivalve cabin 14a has the outside plate inner hull separately with lower buoyancy aid 1, and this inner hull and outside plate form the double-layer shell structure of this cabin, bivalve 14a jointly.
In the present embodiment, in lower buoyancy aid 1, be provided with four bivalves cabin 14a.This four bivalves cabin 14a is symmetrically distributed in the bow stern section 11 of lower buoyancy aid 1, and this four bivalves cabin 14a is near the interlude 12 of lower buoyancy aid 1.In the outside of each bivalve cabin 14a, formed between the outside plate of its inner hull and lower buoyancy aid 1 and isolate wing tank 16.These cabins, bivalve 14a is positioned at the position that lower buoyancy aid 1 both sides are comparatively given prominence to, and has the risk of the larger impact failure that has an accident, and then significantly reduces risk by adopting double-layer shell structure.
Along lower buoyancy aid 1 transversely, cabin 14a is in a symmetrical arrangement in four bivalves, two bivalves cabin 14a being positioned at same bow stern section 11 is respectively in the both sides of the longitudinal axes L of lower buoyancy aid 1, and symmetrical relative to this longitudinal axes L, is provided with the passage 15 passed through for operator between two cabin, bivalve 14a.
The inner hull of each cabin, bivalve 14a comprises inner hull 141a, tank top plate 142a, horizontal inner hull and longitudinal inner hull, horizontal inner hull comprises the horizontal inner hull 145a in bow side and the horizontal inner hull 146a in stern side, and longitudinal inner hull comprises the longitudinal inner hull 143a in outside and the longitudinal inner hull 144a in inner side.As shown in Figure 3, for every pair of lamina cabin 14a, on it between inner hull 141a and buoyancy aid upper deck 101, between tank top plate 142a and bottom plank 102, between the longitudinal inner hull 143a in outside and side plate 103, be provided with interval, namely these intervals define the wing tank 16 playing buffer action outside the 14a of cabin, bivalve.Be provided with interval between the longitudinal inner hull 144a in inner side of two cabin, bivalve 14a, thus form passage 15.
These cabins, bivalve 14a can be fresh water tank, salt water tank or slurry cabin etc.Function and the position of cabin, bivalve 14a can be determined according to actual conditions.By the protection of double-layer shell structure; instantly after buoyancy aid 1 runs into accident collision breakage; owing to there is certain interval between the inner hull of these cabins, bivalve 14a and the outside plate of lower buoyancy aid 1; thus reduce the simultaneously damaged possibility of inner hull, make that leak of liquid occurs and reduced widely to the possibility in seawater.
Simultaneously, owing to defining wing tank 16 outside the 14a of cabin, bivalve, the longitudinal inner hull 143a in outside arranges T profile (in figure non-label) towards the one side of wing tank 16, in addition, the T profile of the horizontal inner hull 145a in bow side and the horizontal inner hull 146a in stern side is also arranged at the outside of cabin, bivalve 14a, like this, namely under the prerequisite ensureing cabin, bivalve 14a intensity, the T profile in the 14a of cabin, bivalve is decreased.
For fresh water tank; drink and domestic water because the fresh water in fresh water tank is generally used for the daily of operating personnel on platform; a large amount of profile structure is had in the fresh water tank cabin of non-Double Hull Protection; particular/special requirement is coated with due to fresh water tank; its structural shapes also needs carry out application; after adopting Double Hull Protection design; the major part of section bar even all can be moved to outside cabin; correspondingly reduce coating area; reduce work difficulty and the work capacity of painting operation, be also conducive to the cleaning in cabin simultaneously.
After same salt water tank and slurry cabin arrange Double Hull Protection, section bar is all positioned at beyond liquid tank bulkhead plating, uses the structure design of Double Hull Protection to reduce the probability leaking after stain environment, is more conducive to the cleaning in cabin simultaneously, improves the efficiency of construction of ocean engineering.
Other cabin in lower buoyancy aid 1 all can be the monoshell cabin only with single hull, and the buoyancy aid upper deck 101 of lower buoyancy aid 1, bottom plank plate 102 and side plate 103 are as a part of coaming plate in these monoshell cabins.
In the present embodiment, fuel oil tank is monoshell cabin, in Fig. 2, the monoshell cabin as fuel oil tank is designated as 14b, other the non-label signal in monoshell cabin.Fuel oil tank 14b is positioned at the inner side of buoyancy aid 1 under larboard, i.e. the side of low coverage center line.Side plate 103 arranged outside of lower buoyancy aid 1 in its longitudinal axes L side has anchor bracket 7, anchor bracket 7 is the sub-assembly of hull structure for fixing anchoring arrangement, this side of lower buoyancy aid 1 is as outside larboard or outside starboard on platform, and fuel oil tank 14b is then positioned at the side of lower buoyancy aid 1 away from anchor bracket 7.With ocean platform integral, this position of fuel oil tank 14b is positioned at inside lower buoyancy aid 1, and can not collide danger, therefore can additionally increase isolation wing tank, reduces the use of steel.
In above embodiment, bodily form skeletonization rod type of floating downward structure, its global shape is stream line pattern, and this structure is conducive to reducing the towage of platform and the resistance that certainly navigates, and then reduces main frame fuel oil consumption and operating cost.But the shape of lower buoyancy aid is not limited thereto, instantly the shape of buoyancy aid be common rectangular configuration or other feasible configurations time, the structure in cabin, bivalve described above and arrange still applicable.
In addition, above-mentioned to double hull tank number of chambers amount, function and position be limited only to preferably a kind of embodiment, reality can optionally adjust.
Although describe the utility model with reference to several exemplary embodiment, should be appreciated that term used illustrates and exemplary and nonrestrictive term.Specifically can implement in a variety of forms due to the utility model and not depart from spirit or the essence of utility model, so be to be understood that, above-mentioned embodiment is not limited to any aforesaid details, and explain widely in the spirit and scope that should limit in claim of enclosing, therefore fall into whole change in claim or its equivalent scope and remodeling and all should be claim of enclosing and contained.
Claims (9)
1. the lower buoyancy aid of a semi-submersible offshore platform, the outside plate of lower buoyancy aid encloses mutually and makes lower buoyancy aid inside be formed with cavity, multiple cabin has been separated to form in this cavity, it is characterized in that, described cabin comprises the monoshell cabin with single hull and the cabin, bivalve with double hull, and described double hull tank number of chambers amount is at least one; Cabin, described bivalve has the outside plate inner hull separately with lower buoyancy aid, and this inner hull and described outside plate form the double hull in this cabin, bivalve jointly.
2. lower buoyancy aid according to claim 1, is characterized in that, cabin, described bivalve comprises fresh water tank, salt water tank and slurry cabin.
3. lower buoyancy aid according to claim 1, it is characterized in that, the inner hull in cabin, described bivalve comprises inner hull, tank top plate, horizontal inner hull and longitudinal inner hull, all has interval between the outside plate of upper inner hull, tank top plate, horizontal inner hull and longitudinal inner hull and described lower buoyancy aid.
4. lower buoyancy aid according to claim 3, is characterized in that, described horizontal inner hull comprises the horizontal inner hull of the horizontal inner hull in bow side and stern side, and described longitudinal inner hull comprises the longitudinal inner hull of the longitudinal inner hull in outside and inner side; Each horizontal inner hull and longitudinal inner hull are provided with section bar, and wherein, the section bar at least on the horizontal inner hull in bow side, the longitudinal inner hull of the horizontal inner hull in stern side and outside is positioned at the outside of the indoor shell of described double hull tank.
5. lower buoyancy aid according to claim 1, it is characterized in that, cabin, described bivalve is respectively in the both sides of lower buoyancy aid longitudinal axis in cabin, two bivalves transversely in a symmetrical arrangement along described lower buoyancy aid, in a symmetrical arrangement, and is provided with passage between two double-deck cabins.
6. lower buoyancy aid according to claim 1, is characterized in that, the outside plate arranged outside of described lower buoyancy aid in its longitudinal axis side has anchor bracket; Described monoshell cabin comprises fuel oil tank, and described fuel oil tank is positioned at the side of lower buoyancy aid away from described anchor bracket.
7. lower buoyancy aid according to claim 1, it is characterized in that, described lower buoyancy aid comprises interlude and is separately positioned on the bow stern section at the longitudinal two ends of interlude, and described bow stern section is longitudinally upper is the structure by centre to two ends taper in width, the constant width of described interlude; Cabin, described bivalve is arranged in described bow stern section.
8. lower buoyancy aid according to claim 7, is characterized in that, described double hull tank number of chambers amount is four, is symmetrically distributed in the bow stern section of described lower buoyancy aid, and this cabin, four bivalves is near the interlude of lower buoyancy aid.
9. a semi-submersible offshore platform, is characterized in that, comprises the lower buoyancy aid as described in any one of claim 1-8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520189045.8U CN204507207U (en) | 2015-02-02 | 2015-03-31 | Semi-submersible offshore platform and lower buoyancy aid thereof |
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| CN2015100534925 | 2015-02-02 | ||
| CN201510053492 | 2015-02-02 | ||
| CN201520189045.8U CN204507207U (en) | 2015-02-02 | 2015-03-31 | Semi-submersible offshore platform and lower buoyancy aid thereof |
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| CN204507207U true CN204507207U (en) | 2015-07-29 |
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| CN201520189045.8U Active CN204507207U (en) | 2015-02-02 | 2015-03-31 | Semi-submersible offshore platform and lower buoyancy aid thereof |
| CN201520205025.5U Active CN204527562U (en) | 2015-02-02 | 2015-04-07 | Semi-submersible offshore platform |
| CN201520219724.5U Withdrawn - After Issue CN204527564U (en) | 2015-02-02 | 2015-04-13 | Semi-submerged platform and lower buoyancy aid thereof |
| CN201810644461.0A Active CN108820148B (en) | 2015-02-02 | 2015-04-13 | Semi-submersible platform and lower floating body thereof |
| CN201510170739.1A Active CN106143818B (en) | 2015-02-02 | 2015-04-13 | Middle deep water semi-submersible drilling platform |
| CN201520217852.6U Withdrawn - After Issue CN204527563U (en) | 2015-02-02 | 2015-04-13 | Middle deep water semi-submersible drilling platform |
| CN201510170738.7A Active CN106143817B (en) | 2015-02-02 | 2015-04-13 | Semi-submerged platform and its lower floating body |
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| CN201520205025.5U Active CN204527562U (en) | 2015-02-02 | 2015-04-07 | Semi-submersible offshore platform |
| CN201520219724.5U Withdrawn - After Issue CN204527564U (en) | 2015-02-02 | 2015-04-13 | Semi-submerged platform and lower buoyancy aid thereof |
| CN201810644461.0A Active CN108820148B (en) | 2015-02-02 | 2015-04-13 | Semi-submersible platform and lower floating body thereof |
| CN201510170739.1A Active CN106143818B (en) | 2015-02-02 | 2015-04-13 | Middle deep water semi-submersible drilling platform |
| CN201520217852.6U Withdrawn - After Issue CN204527563U (en) | 2015-02-02 | 2015-04-13 | Middle deep water semi-submersible drilling platform |
| CN201510170738.7A Active CN106143817B (en) | 2015-02-02 | 2015-04-13 | Semi-submerged platform and its lower floating body |
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| CN107512363A (en) * | 2017-08-29 | 2017-12-26 | 广船国际有限公司 | A kind of mammoth tanker and its safety protecting method |
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| CN204527559U (en) * | 2015-02-02 | 2015-08-05 | 中集海洋工程研究院有限公司 | Semi-submersible offshore platform |
| WO2016124011A1 (en) * | 2015-02-02 | 2016-08-11 | 中集海洋工程研究院有限公司 | Middle depth water semi-submersible type drilling platform |
| CN106516025B (en) * | 2015-09-10 | 2021-10-08 | 中集海洋工程研究院有限公司 | Semi-submersible living platform |
| CN105151236B (en) * | 2015-09-28 | 2017-07-21 | 大连理工大学 | Floating pier and tower snorkeling movement carrying platform device and its method of work |
| CN105480378A (en) * | 2015-11-23 | 2016-04-13 | 中国海洋石油总公司 | Equipment maintenance method during drilling platform building process |
| CN106915420B (en) * | 2015-12-28 | 2019-02-15 | 中国国际海运集装箱(集团)股份有限公司 | Offshore equipment and its transverse brace structure |
| CN106364633A (en) * | 2016-08-30 | 2017-02-01 | 上海交通大学 | Semi-submersible type ocean platform and implementation method of optimized heaving effect of semi-submersible type ocean platform |
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- 2015-03-26 CN CN201520173730.1U patent/CN204527559U/en active Active
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- 2015-04-13 CN CN201520219724.5U patent/CN204527564U/en not_active Withdrawn - After Issue
- 2015-04-13 CN CN201810644461.0A patent/CN108820148B/en active Active
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| CN107512363A (en) * | 2017-08-29 | 2017-12-26 | 广船国际有限公司 | A kind of mammoth tanker and its safety protecting method |
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| CN204527559U (en) | 2015-08-05 |
| CN204527562U (en) | 2015-08-05 |
| CN108820148A (en) | 2018-11-16 |
| CN204527564U (en) | 2015-08-05 |
| CN106143817B (en) | 2018-09-18 |
| CN108820148B (en) | 2020-11-06 |
| CN204527563U (en) | 2015-08-05 |
| CN106143817A (en) | 2016-11-23 |
| CN106143818A (en) | 2016-11-23 |
| CN106143818B (en) | 2018-09-11 |
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