CN103953037B - One is used for the shoe of self-elevating drilling platform air bag launching and encloses well shutoff frock - Google Patents
One is used for the shoe of self-elevating drilling platform air bag launching and encloses well shutoff frock Download PDFInfo
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- CN103953037B CN103953037B CN201410091089.7A CN201410091089A CN103953037B CN 103953037 B CN103953037 B CN 103953037B CN 201410091089 A CN201410091089 A CN 201410091089A CN 103953037 B CN103953037 B CN 103953037B
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- girth sheets
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Abstract
The present invention relates to a kind of offshore engineering equipment building technology field, particularly one encloses well shutoff frock for the shoe of self-elevating drilling platform air bag launching.The circular bottom plate outer ring of this device is angularly provided with three breach, in circular bottom plate with the base plate center of circle for concentric circles is furnished with outer girth sheets, interior girth sheets I, interior girth sheets II and interior girth sheets III from outside to inside, outer girth sheets, interior girth sheets I, interior girth sheets II and interior girth sheets III highly successively reduce, outer girth sheets is become three sections by three breach lattice of circular bottom plate, outwards angularly be furnished with 24 radial reinforced ribs radially along interior girth sheets III, interior girth sheets I, 12 airtight cells are set between interior girth sheets II and radial reinforced rib.Present invention achieves and solve the discontinuous problem in self-elevating drilling platform bottom surface, thus ensure the smooth enforcement of the gasbag-type Launching processing of self-elevating drilling platform, intensity is high, is easy to install, and it is convenient to reclaim.
Description
Technical field:
The present invention relates to a kind of offshore engineering equipment building technology field, particularly one encloses well shutoff frock for the shoe of self-elevating drilling platform air bag launching.
Background technology:
Existing self-elevating drilling platform adopts gasbag-type Launching processing, and this technique significantly reduces the requirement of self-elevating drilling platform to building berth, and greatly can reduce the expenditure of construction implementing Launching processing.Water mode under self-elevating drilling platform employing gasbag-type, the discontinuous problem in primary solution self-elevating drilling platform bottom surface, this just needs a kind of frock that well is enclosed in three of platform shoes to carry out shutoff, platform base is formed a continuous print plane, ensure that in lower water process, air bag successfully from mesa base mistake, thus can ensure the lower smoothly water of self-elevating drilling platform.But the design of satisfactory this kind of shutoff frock also not relevant at present.
Summary of the invention:
The technical problem to be solved in the present invention is to provide one and encloses well shutoff frock for the shoe of self-elevating drilling platform air bag launching, the arrangement achieves and solve the discontinuous problem in self-elevating drilling platform bottom surface, thus ensure the smooth enforcement of the gasbag-type Launching processing of self-elevating drilling platform, intensity is high, be easy to install, it is convenient to reclaim.When overcoming existing self-elevating drilling platform employing gasbag-type Launching processing, there is no the deficiency of the shutoff frock that can solve the discontinuous problem in self-elevating drilling platform bottom surface.
The technical solution used in the present invention is: one is used for the shoe of self-elevating drilling platform air bag launching and encloses well shutoff frock, comprises base plate, outer girth sheets, interior girth sheets I, interior girth sheets II, interior girth sheets III and radial reinforced rib, circular bottom plate outer ring is angularly provided with three breach, in circular bottom plate with the base plate center of circle for concentric circles is furnished with outer girth sheets from outside to inside, interior girth sheets I, interior girth sheets II and interior girth sheets III, outer girth sheets, interior girth sheets I, interior girth sheets II and interior girth sheets III highly successively reduce, outer girth sheets is become three sections by three breach lattice of circular bottom plate, outwards 24 radial reinforced ribs are angularly furnished with radially along interior girth sheets III, interior girth sheets I, 12 airtight cells are set between interior girth sheets II and radial reinforced rib, base plate is arranged 6 10 tons of hangers and 2 30 tons of hangers, outside 3 air bags are installed between girth sheets and interior girth sheets I, air bag is connected with the inflation line be arranged in outside interior girth sheets I, one way valve is installed at the air inlet port place of air bag, stainless steel ball valve is installed at the gas outlet place of air bag, two 30 tons of hangers are all connected with ball float, inflation line is connected with admission line one end, admission line other end plug is blocked, admission line is connected with a ball float by nylon rope.
The invention has the beneficial effects as follows: the present invention adds floating box structure owing to have employed grid and arranges hanger, air bag, thus the discontinuous problem in self-elevating drilling platform bottom surface is solved, thus ensure the smooth enforcement of the gasbag-type Launching processing of self-elevating drilling platform, intensity is high, be easy to install, it is convenient to reclaim.
Accompanying drawing illustrates:
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Fig. 1 is structural representation of the present invention.
Fig. 2 is that the A-A of Fig. 1 is to sectional view.
Fig. 3 is the arrangement diagram of air bag of the present invention.
Detailed description of the invention:
As shown in Figure 1, Figure 2, Figure 3 shows, one is used for the shoe of self-elevating drilling platform air bag launching and encloses well shutoff frock, comprises base plate 1, outer girth sheets 2, interior girth sheets I 3, interior girth sheets II 4, interior girth sheets III 5 and radial reinforced rib 8; Circular bottom plate 1 outer ring is angularly provided with three breach, in circular bottom plate 1 with the base plate center of circle for concentric circles is furnished with from outside to inside outer girth sheets 2, interior girth sheets I 3, interior girth sheets II 4 and interior girth sheets III 5, outer girth sheets 2, interior girth sheets I 3, interior girth sheets II 4 and interior girth sheets III 5 highly successively reduce, to adapt to platform pile shoe height; Outer girth sheets 2 is become three sections by three breach lattice of circular bottom plate 1, and be outwards angularly furnished with 24 radial reinforced ribs 8 radially along interior girth sheets III 5, to ensure the intensity of circular bottom plate 1, in lower water process, the bulk strength of frock is most important; Interior girth sheets I 3,12 airtight cells are set, to provide part initial buoyancy between interior girth sheets II 4 and radial reinforced rib 8; Base plate 1 is arranged the fixing and installation that 6 10 tons of hangers, 6 and 2 30 tons of hangers, 7,6 10 tons of hangers 6 are used for carrying out between frock and platform; Outside 3 air bags 9 are installed between girth sheets 2 and interior girth sheets I 3, are used for after lower water, in water, providing buoyancy, to reclaim; Air bag 9 is connected with the inflation line 10 be arranged in outside interior girth sheets I 3, one way valve 11 is installed at the air inlet port place of air bag 9, the gas outlet place of air bag 9 installs stainless steel ball valve 12 and exits to air bag 9 after reclaiming, and two 30 tons of hangers 7 are all connected with ball float, for indicating frock position in water after lower water; Inflation line 10 is connected with admission line one end, and admission line other end plug is blocked, and admission line is connected with a ball float by nylon rope.
Installation of the present invention should after the jacking system of platform installs, and shoe can hoist, and just can carry out after being raised to extreme higher position.The shoe of self-elevating drilling platform air bag launching is enclosed the installation of well shutoff frock and is carried out according to the following steps:
One, remove pier: the part support pier under platform will be removed, frock just can enter into the bottom of platform.
Two, winch is utilized frock to be pulled into bottom shoe.
Three, after frock enters bottom shoe, 6 guide chains hung by shoe top spud leg horizontal tube, position is in the position near lifting basis.In frock, 6 10 tons of hangers 6 first load onto 6 10 tons of shackles, with the steel wire loop of 67 points of double end rope slings; Two of rope sling all hangs on the hook of guide chain, and middle is hung in 10T guide chain by shackle.
Four, frock under the pulling force of guide chain to pull-up, move to liftoff higher than 600mm time, then put into three 600 high pad piers, frock raises gradually, and all the other highly then regulate with chock.The frock terrain clearance of stern is higher, can adopt the mode that two pad piers stack, and two pad piers are spot-welded together.
Five, when frock is raised to extreme higher position, wire rope will have certain pretightning force, now upwards can push up until frock contacts with mesa base with jack.
Six, after frock is fixing, support pier is withdrawn.
When frock reclaims, self-elevating drilling platform is by after water under air bag mode, and cut off and connect wire rope, frock will first sink in river course, after platform is dragged to clear waters by tugboat, just can reclaim frock.During recovery, first the air bag 9 in frock is filled with to the pressure-air of 0.15 ~ 0.25Mpa, makes three air bags 9 inflate the buoyancy providing about about 20 ~ 30 tons altogether, ensure that frock is from water-bed emersion; Reclaim with winch on the bank again.
Be understandable that, above about specific descriptions of the present invention, the technical scheme described by the embodiment of the present invention is only not limited to for illustration of the present invention, those of ordinary skill in the art is to be understood that, still can modify to the present invention or equivalent replacement, to reach identical technique effect; Needs are used, all within protection scope of the present invention as long as meet.
Claims (1)
1. enclose a well shutoff frock for the shoe of self-elevating drilling platform air bag launching, comprise base plate (1), outer girth sheets (2), interior girth sheets I (3), interior girth sheets II (4), interior girth sheets III (5) and radial reinforced rib (8), it is characterized in that: circular bottom plate (1) outer ring is angularly provided with three breach, in circular bottom plate (1) with the base plate center of circle for concentric circles is furnished with outer girth sheets (2) from outside to inside, interior girth sheets I (3), interior girth sheets II (4) and interior girth sheets III (5), outer girth sheets (2), interior girth sheets I (3), interior girth sheets II (4) and interior girth sheets III (5) highly successively reduce, outer girth sheets (2) is become three sections by three breach lattice of circular bottom plate (1), outwards 24 radial reinforced ribs (8) are angularly furnished with radially along interior girth sheets III (5), interior girth sheets I (3), between interior girth sheets II (4) and radial reinforced rib (8), 12 airtight cells are set, base plate (1) is arranged 6 10 tons hangers (6) and 2 30 tons hangers (7), outside 3 air bags (9) are installed between girth sheets (2) and interior girth sheets I (3), air bag (9) be arranged in interior girth sheets I (3) inflation line (10) outward and be connected, one way valve (11) is installed at the air inlet port place of air bag (9), stainless steel ball valve (12) is installed at the gas outlet place of air bag (9), two 30 tons hangers (7) are all connected with ball float, inflation line (10) is connected with admission line one end, admission line other end plug is blocked, admission line is connected with a ball float by nylon rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410091089.7A CN103953037B (en) | 2014-03-13 | 2014-03-13 | One is used for the shoe of self-elevating drilling platform air bag launching and encloses well shutoff frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410091089.7A CN103953037B (en) | 2014-03-13 | 2014-03-13 | One is used for the shoe of self-elevating drilling platform air bag launching and encloses well shutoff frock |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103953037A CN103953037A (en) | 2014-07-30 |
| CN103953037B true CN103953037B (en) | 2015-10-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410091089.7A Expired - Fee Related CN103953037B (en) | 2014-03-13 | 2014-03-13 | One is used for the shoe of self-elevating drilling platform air bag launching and encloses well shutoff frock |
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| Country | Link |
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| CN (1) | CN103953037B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104477323B (en) * | 2014-12-03 | 2017-11-14 | 舟山长宏国际船舶修造有限公司 | The preferential docking technique of shoe |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202337334U (en) * | 2012-03-27 | 2012-07-18 | 广新海事重工股份有限公司 | Self-floating launching poppet platform |
| CN202809604U (en) * | 2012-09-18 | 2013-03-20 | 渤海装备辽河重工有限公司 | Folding blade pile shoe for jack-up drilling platform |
| RU2482993C1 (en) * | 2011-12-27 | 2013-05-27 | Открытое акционерное общество "Центральное конструкторское бюро "Монолит" | Device for vessel launching or rising |
-
2014
- 2014-03-13 CN CN201410091089.7A patent/CN103953037B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2482993C1 (en) * | 2011-12-27 | 2013-05-27 | Открытое акционерное общество "Центральное конструкторское бюро "Монолит" | Device for vessel launching or rising |
| CN202337334U (en) * | 2012-03-27 | 2012-07-18 | 广新海事重工股份有限公司 | Self-floating launching poppet platform |
| CN202809604U (en) * | 2012-09-18 | 2013-03-20 | 渤海装备辽河重工有限公司 | Folding blade pile shoe for jack-up drilling platform |
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| Publication number | Publication date |
|---|---|
| CN103953037A (en) | 2014-07-30 |
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Granted publication date: 20151028 Termination date: 20190313 |