CN103407554A - Ship form of semi-submersible type pipe-laying floating crane - Google Patents
Ship form of semi-submersible type pipe-laying floating crane Download PDFInfo
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- CN103407554A CN103407554A CN2013103632884A CN201310363288A CN103407554A CN 103407554 A CN103407554 A CN 103407554A CN 2013103632884 A CN2013103632884 A CN 2013103632884A CN 201310363288 A CN201310363288 A CN 201310363288A CN 103407554 A CN103407554 A CN 103407554A
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Abstract
The invention discloses a ship form of a semi-submersible type pipe-laying floating crane. A main ship body is arranged on the semi-submersible type pipe-laying floating crane, wherein two main cranes are arranged on a main deck of the main ship body; a moon pool is arranged in a midship area of the ship in the operating radius of the main crane; a J-shaped pipe-laying tower is arranged in the moon pool; ballast tanks are arranged on the left part and the right part of the bottom of the main ship body; a pipe-laying operating line is arranged at the midship position of the main ship body; pipe storage areas are symmetrically arranged on the two sides of the pipe-laying operating line; a living building is transversely arranged on the ship bow; and a plurality of stern propellers, midship all-rotation propellers and stern lateral propellers are arranged on a lower floater of the main ship body. According to the ship form of the semi-submersible type pipe-laying floating crane, a moon pool structure for mounting the J-type pipe-laying tower is arranged in the operating radius of a main hoisting device of the ship body, so that the working efficiency of the semi-submersible type pipe-laying floating crane is effectively improved, and the security performance and the comprehensive economic benefit of the semi-submersible type pipe-laying floating crane are also improved.
Description
Technical field
The present invention relates to the pipe laying crane ship, relate in particular to a kind of ship type with semisubmersible pipe laying crane ship moon pool, that be suitable for deepwater work.Belong to the ocean engineering field.
Background technology
The offshore oil and gas field exploitation, be unable to do without the handling installation of large-scale marine equipment and the laying of seabed delivery duct.The pipe laying crane ship is as indispensable important equipment in the development process of marine oil gas field, it not only lifting and dismounting, the jacket of the large part such as applicable offshore oil platform upper module auxiliary time water and in place, also can be used for installing under water and the operations such as the laying of sea-bottom oil-gas pipeline, maintenance.
Along with China's offshore oil and gas field exploitation is moved towards deep water from shallow water, large-sized deep water pipe laying crane ship becomes the emphasis of research day by day.
At present, the ship type that deep water pipe laying crane ship adopts has: two kinds of ship types of conventional single hull and semisubmersible, on the pipe laying mode, mainly divide into: S type pipe laying and two kinds of modes of J type pipe laying.Due to semisubmersible ship type at aspects such as rough water quality and accessible load-carrying abilitys, more conventional single hull has obvious advantage, simultaneously, J type pipe laying mode is compared with S type pipe laying mode, with the obvious advantage at aspects such as dynamic positioning demand and pipeline unrelieved stresss, therefore, the lifting laying work in the severe marine site of deepwater environment, more and more trend towards adopting semisubmersible J type pipelaying vessel ship type.
Existing deep water semi-submersible J type pipe laying crane ship, generally be furnished with two large-tonnage master hoisting cranes on the quarter, is arranged in the position difference on the pipe laying crane ship by the pylon of J type pipe laying system, and following three kinds of arrangements are arranged:
1) pylon is arranged between pipe laying crane ship stern main hoisting machine, send guard system to arrange along pipe laying crane ship captain direction;
The pylon of this kind mode is arranged in main hoisting machine operating range, can utilize self loop wheel machine to carry out lifting, the dismounting of pylon.But between two main hoisting machines, the yardstick of J type tower is subject to the spacing of hoisting crane due to pylon, simultaneously, pylon has limited again the degreeof turn of hoisting crane, and both interfere each other.Therefore, when carrying out hoisting operation, pylon need be removed.This just causes between pylon and hoisting crane can't carry out the conversion of operation function in shorter time gap.In addition, because nearly 4000 tons of heavy pylons are located between two main hoisting machines, make the weight of pipe laying crane ship stern more concentrated, be unfavorable for floading condition balance and Structural Strength Design;
2) pylon is arranged in the topside of pipe laying crane ship, and upper guard system vertically arranges, pipeline is along pipe laying crane ship cross direction horizontal feed;
The deck working area degree of utilization of this kind mode is higher, and J type laying work line does not affect original layout of deck plane, general, relatively is suitable for the transformation to the ship type of existing pipe laying crane ship.Its major defect is: due to J type laying work line, be located at hull one side of pipe laying crane ship, this just forms very large heeling moment to the pipe laying crane ship, therefore, need to carry out balance by horizontal ballast, thereby, unfavorable to pipe laying lifting hull stability; And due to the rotor inertia left-right asymmetry, the pipe laying crane ship is the cross motion poor-performing in wave.In addition, due to the pipe laying masterpiece, be used in the topside of pipe laying crane ship, increased the extra first moment that turns, make when laying work, the dynamic positioning of pipe laying crane ship and move the spent thrust of ship and will greatly increase.And, when boat is navigated by water certainly, steady course is handled and brought certain difficulty;
3) pylon is arranged in the stem middle part, and the laying work line is vertically arranged;
In this kind mode, the weight that is positioned at pipe laying crane ship stem pylon can partial balancing stern hoisting crane weight, is conducive to the floading condition balance.But, due to pylon, be not located in the operating radius of ship stern master hoisting crane, therefore, this kind pipe laying crane ship can't rely on equipment of itself to carry out dismounting to pylon, and, navigating by water and meeting under the operating mode of storm, its towering pylon is unfavorable to the safety of stability and structure itself; Simultaneously, the navigation of band pylon, also can produce certain impact to the navigation visual field, thereby, extra tower cupola need to be set; Simultaneously, the installation for annexes such as marineline terminals (PLET), bring certain difficulty; In addition, due to operating line, be positioned at the ship midship of pipe laying crane ship, therefore, be positioned at the life building of stem, will be separated into two parts in left and right, this will bring adverse influence to personnel's contact and escape.
Summary of the invention
Main purpose of the present invention is to overcome the above-mentioned shortcoming that prior art exists, and provide a kind of ship type of semisubmersible pipe laying crane ship, in its machine operation of main hoisting at hull radius, be provided with one be used to the moon pool structure of J type pipe laying tower is installed, not only effectively improved the operating efficiency of semisubmersible pipe laying crane ship, and, also improved safety performance and the overall economic efficiency of semisubmersible pipe laying crane ship.
The objective of the invention is to be realized by following technical scheme:
A kind of ship type of semisubmersible pipe laying crane ship is provided with: main body is characterized in that: on the main deck of this main body, be furnished with two main hoisting cranes, in zone, be provided with a moon pool in the ship in the operating radius of main hoisting crane, in this moon pool, be furnished with a J type pipe laying tower.
Described main body is by lower buoyancy aid, is arranged on the several first column on lower buoyancy aid, several tail column, several B-pillar and the upper mounting plate that is arranged on first column, tail column, B-pillar forms, and the left and right, bottom of this main body is provided with ballast tank; Between these several first columns, tail column and B-pillar, be provided with the bottom stull, this upper mounting plate is provided with main deck; The ship meta of main body has installed the laying work line, and laying work line bilateral symmetry is furnished with the storage area under control, and the stem lateral arrangement has life building; All-direction propeller, stem side propeller in several ship stern propelling units, ship on the lower buoyancy aid of main body, be equipped with.
Pipeline in described storage area under control is through being located at the axial transport roller on main body and vertically transporting roller and carry out pipeline transportation, pipeline is after checking operation post, maintenance activity station, groove station, end on being located at main body, through horizontal fortune pipe operating line, be transported in main body again, and through upper pipe arm, be transported to J type pipe laying tower and carry out pipelaying.
The topside of described main body is provided with the little loop wheel machine of pipe.
Beneficial effect of the present invention:
(1) can utilize easily self loop wheel machine to install and remove pylon, thereby, realized carrying out the conversion of operation function in shorter time gap, effectively improved operating efficiency and safety performance;
(2) the not impact of acceptor's loop wheel machine spacing of the width of pylon, can suitably do widelyr, thereby, improved the ability that annexes such as marineline terminal (PLET) is transferred; Set moon pool also can be used for transferring of under-water robot (ROV), pipeline terminal manifold (PLEM), has further enriched the function of this ship;
(3) the whole lateral arrangement in life building, at bow, is conducive to personnel and concentrates and escape, and simultaneously, living quarters and operating area have obtained effectively separating, and the navigation visual field can not be subject to the impact of J type pipe laying tower;
(4) many drawbacks such as pylon and laying work line are arranged in ship, and hull weight is left-right symmetric basically, have avoided operating line to be arranged in a side, and the rotor inertia brought is asymmetric;
(5) on captain's direction, pylon of the present invention is arranged in the postmedian of hull, effectively alleviated pylon be arranged in the ship stern that cause with problem loop wheel machine weight undue concentration.
Visible, the present invention has broken through many limitations of traditional pipe laying crane ship, has enriched the boats and ships function, has effectively improved operating efficiency, safety performance and the overall economic efficiency of semisubmersible J type pipe laying crane ship.
The accompanying drawing explanation
Fig. 1 is side-looking structural representation of the present invention.
Fig. 2 is plan structure schematic diagram of the present invention.
Fig. 3 is bow structure schematic diagram of the present invention.
Major label description in figure:
1. descend buoyancy aid, 2. first column, 3. upper mounting plate, 4. life building, 5. go up the pipe arm, 6. angle demodulator, 7 .J type pipe laying towers, 8. hoisting crane, 9. tail column, 10. stern propelling unit, 11. all-direction propeller, 12. B-pillar, 13. bow side propeller, 14. rest arm, 15. storage area under control, 16. fortune pipe purlin car, 17. laterally fortune is managed roller, 18. moon pool, 19. vertically fortune is managed roller, 20. little loop wheel machine, 21. maintenance activity station, 22. check operation post, 23. laterally fortune is managed operating line, 24. groove station, end, 25. central longitudinal is to fortune pipe roller, 26. life boat, 27. stull.
The specific embodiment
As shown in Figure 1, ship type of the present invention is provided with: main body, main body is by lower buoyancy aid 1, is arranged on the several first column 2 on lower buoyancy aid 1, several tail column 9, several B-pillar 12 and the upper mounting plate 3 that is arranged on first column 2, tail column 9, B-pillar 12 forms, and the left and right, bottom of above-mentioned main body is provided with ballast tank; Between above-mentioned several first column 2, tail column 9 and B-pillar 12, be provided with bottom stull 27, this stull 27 is except the effect of playing the structure connection, also can be used for being arranged on the connection poling of the ballast tank about main body, thereby, play convenient left and right and adjust the effect of carrying with ballast line optimization; Upper mounting plate 3 is provided with main deck, and the ship meta of main body has installed the laying work line.
On the main deck of the upper mounting plate 3 of main body stern, be furnished with two main hoisting cranes 8, for offshore lifting, in zone, be provided with a moon pool 18 in the ship in the operating radius of main hoisting crane 8, in moon pool 18, be furnished with a J type pipe laying tower 7, J type pipe laying tower 7 can be adjusted ，Chu area under control, angle of inclination 15 by angle demodulator 6 and be arranged symmetrically in the laying work line both sides that are arranged in ship, the stem lateral arrangement has life building 4, life building 4 periphery life boat 26.
The present invention is mainly used in the lifting of marine large structure and the laying of deep water J type pipeline, is divided into running working condition, laying work operating mode, hoisting operation operating mode and storm from depositing operating mode.By ballast water, adjust main body and be in different drinking water, to adapt to different operating modes.During navigation, lower buoyancy aid 1 surfaces, to obtain preferably resistance performance.Under operation and storm condition, main body is adjusted to partially surfaced condition by ballast water, can obtain preferably seakeeping performance.
On the lower buoyancy aid 1 of main body, be equipped with a plurality of propelling units such as all-direction propeller 11, stem side propeller 13 in several ship stern propelling units 10, ship to meet the needs of dynamic positioning when boat and the operation.
When laying work, hoisting crane 8 is placed on the rest arm 14 of upper mounting plate 3 main decks.Main body can self-contained section of tubing, and can carry out the pipeline supply by carrier, and the pipeline supply realizes by the little loop wheel machine 20 of upper pipe that is located at topside.Pipeline is deposited in storage area under control 15, this top, zone arranges fortune pipe purlin car 16 for the adjustment of pipeline stockyard, pipeline in storage area under control 15 is through being located at the axial transport roller 17 on main body and vertically transporting roller 19 and carry out pipeline transportation, pipeline is after the operations such as check operation post 22, maintenance activity station 21, groove station, end 24 on being located at main body, again in the middle part of laterally fortune pipe operating line 23 is transported to main body, and to fortune pipe roller 25, pipeline is sent to upper pipe arm 5 through central longitudinal, and finally through upper pipe arm 5, pipeline is transported to J type pipe laying tower 7 and carries out pipelaying.The moon pool 18 at J type pipe laying tower 7 places also can be used for transferring of under-water robot (ROV), pipeline terminal manifold (PLEM).
During non-laying work, can pass through the hoisting crane 8 of main body self, by 7 dismountings of J type pipe laying tower, level is shelved on the laying work line in main body, in order to the height that lowers the center of gravity, reduces the boats and ships area exposed to the wind, has improved the safety of ship performance; Simultaneously, be conducive to when hoisting operation, avoid the interference of J type pipe laying tower to hoisting crane.
Above-mentioned angle demodulator 6, J type pipe laying tower 7, main hoisting machine 8, sterm propeller 10, all-direction propeller 11, little loop wheel machine 20, maintenance activity station 21, check operation post 22, horizontal fortune pipe operating line 23, groove station 24, life boat 26 are prior art, and the technology of not specified (NS) is prior art.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, every foundation technical spirit of the present invention, to any simple modification, equivalent variations and modification that above embodiment does, all still belongs in the scope of technical solution of the present invention.
Claims (4)
1. the ship type of a semisubmersible pipe laying crane ship, be provided with: main body is characterized in that: on the main deck of this main body, be furnished with two main hoisting cranes, in zone, be provided with a moon pool in the ship in the operating radius of main hoisting crane, in this moon pool, be furnished with a J type pipe laying tower.
2. the ship type of semisubmersible pipe laying crane ship according to claim 1, it is characterized in that: described main body is by lower buoyancy aid, is arranged on the several first column on lower buoyancy aid, several tail column, several B-pillar and the upper mounting plate that is arranged on first column, tail column, B-pillar forms, and the left and right, bottom of this main body is provided with ballast tank; Between these several first columns, tail column and B-pillar, be provided with the bottom stull, this upper mounting plate is provided with main deck; The ship meta of main body has installed the laying work line, and laying work line bilateral symmetry is furnished with the storage area under control, and the stem lateral arrangement has life building; All-direction propeller, stem side propeller in several ship stern propelling units, ship on the lower buoyancy aid of main body, be equipped with.
3. the ship type of semisubmersible pipe laying crane ship according to claim 2, it is characterized in that: the pipeline in described storage area under control is through being located at the axial transport roller on main body and vertically transporting roller and carry out pipeline transportation, pipeline is after checking operation post, maintenance activity station, groove station, end on being located at main body, through horizontal fortune pipe operating line, be transported in main body again, and through upper pipe arm, be transported to J type pipe laying tower and carry out pipelaying.
4. the ship type of semisubmersible pipe laying crane ship according to claim 1 and 2, it is characterized in that: the topside of described main body is provided with the little loop wheel machine of pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310363288.4A CN103407554B (en) | 2013-08-20 | 2013-08-20 | The ship type of semisubmersible pipe laying crane ship |
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| CN201310363288.4A CN103407554B (en) | 2013-08-20 | 2013-08-20 | The ship type of semisubmersible pipe laying crane ship |
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| CN103407554A true CN103407554A (en) | 2013-11-27 |
| CN103407554B CN103407554B (en) | 2015-12-23 |
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Cited By (5)
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| CN105984564A (en) * | 2015-02-09 | 2016-10-05 | 刘广 | Air cushion type offshore self-floating crane ship |
| CN107416139A (en) * | 2017-07-27 | 2017-12-01 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | A kind of deep water piping work ship |
| CN107618626A (en) * | 2017-08-25 | 2018-01-23 | 中国海洋石油总公司 | Improved deep water semi-submersible pipe laying crane ship |
| CN109070971A (en) * | 2016-03-03 | 2018-12-21 | 吉宝岸外与海事技术中心 | Hyperelliptic column on semi-submerged ship |
| CN113320654A (en) * | 2021-06-07 | 2021-08-31 | 上海交通大学 | Deep sea self-navigation anti-platform type floating scientific research facility platform with self-sufficient energy |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105984564A (en) * | 2015-02-09 | 2016-10-05 | 刘广 | Air cushion type offshore self-floating crane ship |
| CN109070971A (en) * | 2016-03-03 | 2018-12-21 | 吉宝岸外与海事技术中心 | Hyperelliptic column on semi-submerged ship |
| CN107416139A (en) * | 2017-07-27 | 2017-12-01 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | A kind of deep water piping work ship |
| CN107618626A (en) * | 2017-08-25 | 2018-01-23 | 中国海洋石油总公司 | Improved deep water semi-submersible pipe laying crane ship |
| CN113320654A (en) * | 2021-06-07 | 2021-08-31 | 上海交通大学 | Deep sea self-navigation anti-platform type floating scientific research facility platform with self-sufficient energy |
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| Publication number | Publication date |
|---|---|
| CN103407554B (en) | 2015-12-23 |
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