CN100567079C - End jack-up platform and using method thereof are sat in split - Google Patents
End jack-up platform and using method thereof are sat in split Download PDFInfo
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- CN100567079C CN100567079C CNB2005100435894A CN200510043589A CN100567079C CN 100567079 C CN100567079 C CN 100567079C CN B2005100435894 A CNB2005100435894 A CN B2005100435894A CN 200510043589 A CN200510043589 A CN 200510043589A CN 100567079 C CN100567079 C CN 100567079C
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- spud leg
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Abstract
The present invention relates to a kind of novel platform-split and sit end jack-up platform and using method thereof.Platform by rise main platform certainly, sit end supporting construction, butt joint guiding device, ballasting system constitute, and is divided into the two big splits that all have flotation property, at sea can be during operation voluntarily up and down to being connected into a platform.From rising main platform, structure and conventional jack-up platform are basic identical, at its each lifting spud leg track adjusting wheel, orienting sleeve are installed; Sit end supporting construction, be provided with casing and with the corresponding fixedly spud leg of lifting spud leg, and assembly welding is a rigid unitary; The butt joint guiding device is by guiding rope guiding lifting spud leg and the fixedly accurate contraposition of spud leg, and the sink-float of end supporting construction is sat in ballasting system control, but the sea of coordinating operation implementation platform is docked, split.The present invention can be used for newly-built platform, also can be used for existing jack-up platform deep water transformation.
Description
Technical field:
The present invention 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.
Summary of the invention:
The objective of the invention is to develop a kind of jack-up platform and using method thereof that is applicable to than the operation of territory, deep-sea, solve existing jack-up platform cost and strengthen and the rapid problem that rises with the depth of water.
End jack-up platform is sat in split, 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 attach troops to a unit guiding rope, track adjusting wheel, orienting sleeve, and ballasting system comprises the pneumatics unit and attaches troops to a unit ballast control gas circuit, maritime mouth.
Feature of the present invention is that described split seat end jack-up platform 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, track adjusting wheel is installed at each lifting spud leg top, and the center, bottom section is provided with orienting sleeve; 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; Butt joint guiding winch is installed in from rising on the main platform, and the guiding rope of attaching troops to a unit is fixed on the fixedly top cross-section center of spud leg after passing the track adjusting wheel that is installed on the lifting spud leg, orienting sleeve; 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 typical using method that end jack-up platform is sat in split of the present invention is: during the platform towage, rise main platform certainly, sit end supporting construction and separately float 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 the lifting spud leg lower end, dock guiding device simultaneously and furl guiding rope, make the lifting spud leg and fixedly spud leg centering join, fall then and put the lifting spud leg, 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 the platform floating splits, earlier the platform upper box is reduced to the water surface, promote the lifting spud leg and loosen guiding rope simultaneously, to rise main platform certainly 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, return to towing condition.
The present invention 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) 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.
(4) can break through the upper limit of present jack-up platform operating water depth 150m with comparalive ease.
(5) not only can be used for newly-built platform, suitable equally to the deep water transformation of existing jack-up platform.
(6) corresponding with above advantage, can significantly reduce the jack-up platform cost.
Description of drawings:
Fig. 1 sits end jack-up platform preceding scheme drawing in place for split
Fig. 2 sits end jack-up platform process scheme drawing in place for split
Fig. 3 sits end jack-up platform back in place scheme drawing for split
1, platform upper box 2, lifting spud leg 3, platform lower box 4, fixing spud leg
5, winch 6, guiding rope 7, track adjusting wheel 8, orienting sleeve
9, pneumatics unit 10, ballast control gas circuit 11, maritime mouth
The specific embodiment:
Now, the present invention is further described in conjunction with Figure of description 1,2,3:
End jack-up platform is sat in split, 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, the butt joint guiding device comprises winch 5 and attach troops to a unit guiding rope 6, track adjusting wheel 7, orienting sleeve 8, and 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.From rising main platform, basic identical with conventional jack-up platform, to be equipped with and to be no less than three lifting spud legs 2, track adjusting wheel 7 is installed at each lifting spud leg 2 top, and the center, bottom section is provided with orienting sleeve 8; Sit end supporting construction, the bottom is a 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; 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 along track adjusting wheel 7, orienting sleeve 8, be fixed on the fixedly top cross-section center of spud leg 4 after passing lifting spud leg 2, 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.
The typical using method that end jack-up platform is sat in split 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 (2)
1, end jack-up platform is sat in split, 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), track adjusting wheel (7), orienting sleeve (8), and ballasting system comprises that the pneumatics unit (9) and the ballast of attaching troops to a unit control gas circuit (10), maritime mouth (11); It is characterized in that 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, track adjusting wheel (7) is installed at each lifting spud leg (2) top, and the center, bottom section is provided with orienting sleeve (8); 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 winch (5) of butt joint guiding device is installed in from rising on the main platform, and the guiding rope of attaching troops to a unit (6) is fixed on the fixedly top cross-section center of spud leg (4) after passing the track adjusting wheel (7) that is installed on the lifting spud leg (2), orienting sleeve (8); 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.
2, the using method of end jack-up platform is sat in the described split of claim 1, it is characterized in that: during the platform towage, rise main platform certainly, sit end supporting construction and separately float on the surface, tug boat; During the marine butt joint in place of platform, ballasting system is controlled each ballast tank water inlet, make seat end supporting construction be sink to lifting spud leg (2) below the lower end, dock guiding device simultaneously and furl guiding rope (6), lifting spud leg (2) and fixing spud leg (4) centering are joined, 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 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, to rise main platform certainly 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, return to towing condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100435894A CN100567079C (en) | 2005-05-27 | 2005-05-27 | End jack-up platform and using method thereof are sat in split |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100435894A CN100567079C (en) | 2005-05-27 | 2005-05-27 | End jack-up platform and using method thereof are sat in split |
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| Publication Number | Publication Date |
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| CN1869337A CN1869337A (en) | 2006-11-29 |
| CN100567079C true CN100567079C (en) | 2009-12-09 |
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| CNB2005100435894A Expired - Fee Related CN100567079C (en) | 2005-05-27 | 2005-05-27 | End jack-up platform and using method thereof are sat in split |
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| US7849810B2 (en) * | 2009-04-24 | 2010-12-14 | J. Ray Mcdermott, S.A. | Mating of buoyant hull structure with truss structure |
| NO339381B1 (en) * | 2009-07-22 | 2016-12-05 | Owec Tower As | Method and apparatus for controlling power transmission between a structure and its foundation during installation |
| CN102080371A (en) * | 2009-11-27 | 2011-06-01 | 三一电气有限责任公司 | Support leg and mobile offshore work platform |
| CN101798807B (en) * | 2010-03-30 | 2012-04-18 | 中国海洋石油总公司 | Heavy-draft truss upright-column combined platform |
| CN102556293B (en) * | 2010-12-14 | 2015-02-25 | 上海船舶研究设计院 | Multifunctional module combined ocean platform and use method |
| CN103911979B (en) * | 2012-12-31 | 2016-02-03 | 中交第一航务工程局有限公司 | The balanced ballast lifting method in leveling ship corner |
| CN105804077B (en) * | 2016-03-28 | 2018-06-12 | 武汉船用机械有限责任公司 | A kind of pile extracting method of jack-up unit |
| CN106335611A (en) * | 2016-08-31 | 2017-01-18 | 中广核研究院有限公司 | Ocean reactor system platform and installation method thereof |
| CN108059009B (en) * | 2016-11-08 | 2024-05-31 | 中集海洋工程研究院有限公司 | Transfer platform for ship cargo transfer and construction method thereof |
| CN113978632B (en) * | 2021-10-28 | 2023-05-26 | 浙江海洋大学 | Ocean self-adaptive underwater bottom-sitting type observation platform and use method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2352443Y (en) * | 1996-09-06 | 1999-12-08 | 胜利石油管理局钻井工艺研究院 | Double hydraulic cylinder continuous lifting/lowering spud leg having telescopic type spud boot |
| GB2346840A (en) * | 1999-02-17 | 2000-08-23 | Sofitech Nv | Drill deck structure |
| CN1312203A (en) * | 2000-03-08 | 2001-09-12 | 天津海王星海上工程技术有限公司 | Air and water lift platform with barrel-shaped footing |
| CN2839108Y (en) * | 2005-05-27 | 2006-11-22 | 中国石化集团胜利石油管理局钻井工艺研究院 | Separating submersible self-lifting platform |
-
2005
- 2005-05-27 CN CNB2005100435894A patent/CN100567079C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2352443Y (en) * | 1996-09-06 | 1999-12-08 | 胜利石油管理局钻井工艺研究院 | Double hydraulic cylinder continuous lifting/lowering spud leg having telescopic type spud boot |
| GB2346840A (en) * | 1999-02-17 | 2000-08-23 | Sofitech Nv | Drill deck structure |
| CN1312203A (en) * | 2000-03-08 | 2001-09-12 | 天津海王星海上工程技术有限公司 | Air and water lift platform with barrel-shaped footing |
| CN2839108Y (en) * | 2005-05-27 | 2006-11-22 | 中国石化集团胜利石油管理局钻井工艺研究院 | Separating submersible self-lifting platform |
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| CN1869337A (en) | 2006-11-29 |
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Owner name: SINOPEC OILFIELD SERVICE CORPORATION Free format text: FORMER OWNER: WELL-DRILLING TECHNOLOGY INST., SHENGLI PETROLEUM ADMINISTRATION, SINOPEC Effective date: 20150330 Owner name: CHINA PETROLEUM + CHEMICAL VICTORY OIL ENGINEERING Effective date: 20150330 |
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Effective date of registration: 20150330 Address after: 100029 Beijing City, Chaoyang District Hui Street No. six twelfth floor Patentee after: SINOPEC OILFIELD SERVICE Corp. Patentee after: SINOPEC SHENGLI PETROLEUM ENGINEERING CO., LTD. DRILLING TECHNOLOGY Research Institute Address before: 257017 No. 236, North Road, Dongying District, Shandong, Dongying Patentee before: SHENGLI DRILLING TECHNOLOGY Research Institute OF SINOPEC |
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Granted publication date: 20091209 |
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