CN201258082Y - Split jack-up platform butted by external guide rope - Google Patents
Split jack-up platform butted by external guide rope Download PDFInfo
- Publication number
- CN201258082Y CN201258082Y CNU2008200279490U CN200820027949U CN201258082Y CN 201258082 Y CN201258082 Y CN 201258082Y CN U2008200279490 U CNU2008200279490 U CN U2008200279490U CN 200820027949 U CN200820027949 U CN 200820027949U CN 201258082 Y CN201258082 Y CN 201258082Y
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- platform
- spud leg
- lifting
- supporting construction
- dragline
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Abstract
The utility model relates to a novel platform which is the split self-elevating platform butt-jointed through an outer guide rope. The platform comprises a self-elevating main platform, a sitting-bottom supporting structure, a butt-joint guiding device and a ballast system; the platform can be split into two split bodies with floating performance; and the platform can also be automatically butt-jointed to one platform on the sea when in operation. The structure of the self-elevating main platform is basically the same with the conventional self-elevating platform, and a guiding block is respectively arranged on one side of the lower part of each lifting leg; the sitting-bottom supporting structure is provided with a box body and fixed legs which correspond to the lifting legs and assembled and welded into a rigid whole body; the butt-joint guiding device guides the lifting legs and the fixed legs for precision positioning through the guide rope, the ballast system controls the lifting of the sitting-bottom supporting structure, and the matched operation can realize the butt-joint and the split of the platform on the sea. The platform can be used for new construction of the platforms and can also be used for deep-water transformation of the prior self-elevating platforms.
Description
Technical field:
The utility model belongs to the ocean engineering field, develops a kind of jack-up platform that is applicable to than the operation of territory, deep-sea.
Technical background:
Jack-up platform is to be extensive use of in the marine drilling and very expensive device, and common jack-up platform is made of buoyancy aid, spud leg, lifting machinery etc., and whole platform design is as a whole.Limited by platform towage stability, the platform center of gravity can not be too high, and just the lifting spud leg can not be oversize.In order adapting to, to use longer spud leg like this, only to add large platform buoyancy aid principal dimensions, correspondingly need to strengthen lift capability to guarantee the towage stability than the operation of territory, deep-sea.And because each spud leg is independent respectively, can not be rigidly connected, each spud leg rigidity and requirement of strength are all very high, and spud leg weight and the deck working area that takies are very big.The platform cost strengthens with operating water depth and sharply rises, and that this in the world platform operating water depth maximum is 150m at present.The patent applicant has declared patent split seat end jack-up platform, and (application number: 200520083518.2), its docking mode docks by dragline in the spud leg, exists the dragline dragline to pass through problems such as difficulty, center of gravity height, dragline length.
Summary of the invention:
The purpose of this utility model is a kind of jack-up platform that is applicable to than the operation of territory, deep-sea of exploitation, solves existing jack-up platform cost and strengthens and the rapid problem that rises with the depth of water.
A kind of split jack-up platform by outer dragline butt joint comprises from rising main platform, sit end supporting construction, docking guiding device, ballasting system.Comprise platform upper box, lifting spud leg, solid stake and lifting machinery, bore and repair the operation facility from rising main platform, sit end supporting construction and comprise platform lower box, fixedly spud leg and other rod member, the butt joint guiding device comprises winch and the guiding rope of attaching troops to a unit, go up orienting lug, dragline fixed mount, and ballasting system comprises the pneumatics unit and the ballast control gas circuit of attaching troops to a unit, maritime mouthful.
Feature of the present utility model is that described a kind of split jack-up platform by outer dragline butt joint is divided into from rising main platform, sitting end supporting construction two big splits; Be no less than three lifting spud legs from rising main platform installation, each lifting spud leg top/bottom part is installed orienting lug, and each fixedly installs the dragline fixed mount in top, spud leg top; Sitting supporting construction bottom, the end is the platform lower box, the platform lower box is divided into several ballast compartment, each ballast compartment is equipped with maritime mouthful, platform lower box top is provided with the fixedly spud leg corresponding with lifting spud leg position, that quantity is identical, each fixedly spud leg also establish ballast tank respectively, the platform lower box, fixedly spud leg and a plurality of rod member assembly welding are a rigid unitary, sit end supporting construction and contain at least one at most and platform lower box that fixedly spud leg quantity is identical; Butt joint guiding winch is installed in from rising on the main platform, the guiding rope of attaching troops to a unit passes the last orienting lug that is installed on the lifting spud leg, the fixing dragline fixed mount on the spud leg, when the pilot hole on the orienting lug alignd, the lifting spud leg just can realize accurately being docked at the fixedly top cross-section center of spud leg; The pneumatics unit of ballasting system is installed in from rising on the main platform, and set each ballast tank linked to each other respectively on the ballast of attaching troops to a unit was controlled gas circuit and sat end supporting construction.
The utlity model has following advantage:
(1) adopts the branch body structure, lifting platform spud leg length reduces at double, reduced center of gravity, improved the platform afloat stability greatly, thereby can significantly reduce yardstick, the weight of platform upper float, the corresponding platform that reduced is to the requirement of the rigidity of its spud leg, intensity with to the requirement of a whole set of lifting machinery lift capability, and platform suffered environmental load also reduces thereupon.
(2) sit end supporting construction, limited by the lifting platform function, be welded as a whole, better than separate pile leg structure, be difficult for deforming and vibrating, give full play to material usefulness.And sit end supporting construction and can carry out accurate limiting, help reducing the solid stake of common jack-up platform load, improved platform security lifting master flat-bed spud leg.
(3) dragline need not pass spud leg inside, has reduced the influence of dragline to platform intensity, and has reduced dragline length, makes the simpler and easy operating of docking operation process.
(4) two big splits all possess self-buoyancy, need not less important works such as crane barge when in place, and platform the pile pulling difficulty can not occur.
(5) can break through the upper limit of present jack-up platform operating water depth 150m with comparalive ease.
(6) not only can be used for newly-built platform, suitable equally to the deep water transformation of existing jack-up platform.
(7) corresponding with above advantage, can significantly reduce the jack-up platform cost.
Description of drawings:
Fig. 1 is a kind of split platform by outer dragline butt joint preceding scheme drawing in place
Fig. 2 is a kind of split platform process scheme drawing in place by outer dragline butt joint
Fig. 3 is a kind of split back in place scheme drawing by outer dragline butt joint
1, platform upper box 2, lifting spud leg 3, platform lower box 4, fixedly spud leg 5, winch 6, guiding rope 7, go up orienting lug 8, dragline fixed mount 9, pneumatics unit 10, ballast control gas circuit 11, maritime mouthful
The specific embodiment:
Now, the utility model is further described in conjunction with Figure of description 1,2,3:
A kind of split jack-up platform by the butt joint of outer dragline, mainly by rise main platform certainly, sit end supporting construction, butt joint guiding device, ballasting system constitute.Comprise platform upper box 1, lifting spud leg 2, solid stake and lifting machinery, bore and repair the operation facility from rising main platform, sit that end supporting construction comprises platform lower box 3, fixedly spud leg 4 and other are connected and fixed rod member, dock guiding device and comprise the winch 5 and the guiding rope 6 of attaching troops to a unit, go up orienting lug 7, dragline fixed mount 8, ballasting system comprises pneumatics unit 9 and attaches troops to a unit ballast control gas circuit 10, maritime mouth 11.Take all factors into consideration every performances such as platform towage, butt joint, in place, fractionation, platform be divided into the two big splits that all have flotation property, during operation at sea voluntarily up and down to being connected into a platform.Main platform and conventional jack-up platform are basic identical from rising, and are equipped with to be no less than three lifting spud legs 2, and each lifting spud leg 2 bottom is provided with orienting lug 7; Sitting supporting construction bottom, the end is platform lower box 3, platform lower box 3 is divided into several ballast compartment, each ballast compartment is equipped with maritime mouthful 11, platform lower box 3 tops are provided with the fixedly spud leg 4 corresponding with lifting spud leg 2 positions, that quantity is identical, each fixedly spud leg 4 also establish ballast tank respectively, platform lower box 3, fixedly spud leg 4 and a plurality of rod member assembly welding are a rigid unitary, and each fixedly is provided with dragline fixed mount 8 in spud leg 4 tops; Butt joint guiding winch 5 is installed in from rising on the main platform, the guiding rope 6 of attaching troops to a unit is fixed on the pilot hole of dragline fixed mount 8 along the pilot hole of last orienting lug 7, by tightening up guiding rope 6, lifting spud leg 2 bottoms can be aimed at substantially with fixing spud leg 4 tops, and this moment, the tapered configuration of joint can make both accurate contrapositions; The pneumatics unit 9 of ballasting system is installed in from rising on the main platform, set each ballast tank linked to each other respectively on the ballast of attaching troops to a unit was controlled gas circuit 10 and sat end supporting construction, utilize air pressure control seawater through maritime mouthful 11 turnover ballast tank, each ballast tank can be controlled respectively, adjusts and sits the balance of end supporting construction when not sitting the end as yet.
Sit end supporting construction,, add the fixedly buoyancy of spud leg 4, adopt ripe designing technique can make it not only have afloat stability, also have the sink-float stability, guarantee steady, the safety of marine contraposition, split process because structural focus is low.
Be sitting in by 2 of lifting spud legs on the fixedly spud leg 4 of end supporting construction from rising main platform, rely on from rising main platform weight fully to keep its vertical stability, horizontal then spacing by the tapered configuration of joint.
A kind of typical using method of the split jack-up platform by the butt joint of outer dragline is:
During the platform towage, rise main platform certainly, sit the end supporting construction (see figure 1) that separately floats on the surface, tug boat.
During the marine butt joint in place of platform, ballasting system is controlled each ballast tank water inlet, seat end supporting construction is sink to below lifting spud leg 2 lower ends, dock guiding device simultaneously and furl guiding rope 6, make lifting spud leg 2 and the fixing spud leg 4 centerings (see figure 2) of joining, fall then and put lifting spud leg 2, be seated the seabed until sitting end supporting construction, after this rise the ship program by common jack-up platform and carry out, be adjusted to operating condition; When there is slight slope in the seabed, regulate to keep from rising main flat-bed state by lifting spud leg 2.
Platform bores repaiies operation and the as broad as long (see figure 3) of other platform.
When the platform floating splits, earlier platform upper box 1 is reduced to the water surface, promote lifting spud leg 2 and loosen guiding rope 6 simultaneously, will rise main platform certainly with tugboat and shift out the upper area of sitting end supporting construction, utilize ballasting system to discharge the interior water of ballast tank, seat end supporting construction is floated.
Claims (1)
1, a kind of split jack-up platform by outer dragline butt joint comprises from rising main platform, sit end supporting construction, docking guiding device, ballasting system; Comprise platform upper box (1), lifting spud leg (2), solid stake and lifting machinery, bore and repair the operation facility from rising main platform, sit end supporting construction and comprise platform lower box (3), fixedly spud leg (4) and other rod member, the butt joint guiding device comprises winch (5) and the guiding rope of attaching troops to a unit (6), last orienting lug (7), dragline fixed mount (8); Ballasting system comprises pneumatics unit (9) and the ballast of attaching troops to a unit control gas circuit (10), maritime mouthful (11); Platform is divided into from rising main platform, sitting end supporting construction two big splits; Be no less than three lifting spud legs (2) from rising main platform installation; Sitting supporting construction bottom, the end is platform lower box (3), platform lower box (3) is divided into several ballast compartment, each ballast compartment is equipped with maritime mouthful (11), the fixedly spud leg (4) corresponding with lifting spud leg (2) position, that quantity is identical is equipped with in platform lower box (3) top, each fixedly spud leg (4) also establish ballast tank respectively, platform lower box (3), fixedly spud leg (4) and a plurality of rod member assembly welding are a rigid unitary; The pneumatics unit (9) of ballasting system is installed in from rising on the main platform, and set each ballast tank linked to each other respectively on the ballast of attaching troops to a unit was controlled gas circuit (10) and sat end supporting construction; The winch (5) of butt joint guiding device is installed in from rising on the main platform; It is characterized in that dragline fixed mount (8) is fixed on fixedly top one side of spud leg (4), last orienting lug (7) correspondence is fixed on lifting spud leg (2) bottom one side, last orienting lug (7) is provided with pilot hole, and guiding rope (6) is fastened on the dragline fixed mount (8) after passing pilot hole on the orienting lug (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200279490U CN201258082Y (en) | 2008-09-09 | 2008-09-09 | Split jack-up platform butted by external guide rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200279490U CN201258082Y (en) | 2008-09-09 | 2008-09-09 | Split jack-up platform butted by external guide rope |
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| Publication Number | Publication Date |
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| CN201258082Y true CN201258082Y (en) | 2009-06-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200279490U Expired - Fee Related CN201258082Y (en) | 2008-09-09 | 2008-09-09 | Split jack-up platform butted by external guide rope |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102849185A (en) * | 2012-09-18 | 2013-01-02 | 渤海装备辽河重工有限公司 | Pile leg installation method for self-elevating drilling platform |
| CN103057670A (en) * | 2013-01-10 | 2013-04-24 | 张西清 | Shutter type retractable platform system |
| CN103089231A (en) * | 2011-10-27 | 2013-05-08 | 中集船舶海洋工程设计研究院有限公司 | Driving system of self-elevating type ocean platform |
| CN105648997A (en) * | 2014-11-11 | 2016-06-08 | 江苏海王星海洋油气装备有限公司 | Detachable mobile platform and mounting and demounting method thereof |
-
2008
- 2008-09-09 CN CNU2008200279490U patent/CN201258082Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103089231A (en) * | 2011-10-27 | 2013-05-08 | 中集船舶海洋工程设计研究院有限公司 | Driving system of self-elevating type ocean platform |
| CN103089231B (en) * | 2011-10-27 | 2015-07-01 | 中集船舶海洋工程设计研究院有限公司 | Driving system of self-elevating type ocean platform |
| CN102849185A (en) * | 2012-09-18 | 2013-01-02 | 渤海装备辽河重工有限公司 | Pile leg installation method for self-elevating drilling platform |
| CN102849185B (en) * | 2012-09-18 | 2015-01-21 | 中国石油集团渤海石油装备制造有限公司 | Pile leg installation method for self-elevating drilling platform |
| CN103057670A (en) * | 2013-01-10 | 2013-04-24 | 张西清 | Shutter type retractable platform system |
| CN105648997A (en) * | 2014-11-11 | 2016-06-08 | 江苏海王星海洋油气装备有限公司 | Detachable mobile platform and mounting and demounting method thereof |
| CN105648997B (en) * | 2014-11-11 | 2017-09-15 | 天津市海王星海上工程技术股份有限公司 | Dismountable mobile platform and its installing/dismounting method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090617 Termination date: 20120909 |