CN105692449B - The method that pile legs of self-elevating drilling platform spreading closes up - Google Patents
The method that pile legs of self-elevating drilling platform spreading closes up Download PDFInfo
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- CN105692449B CN105692449B CN201610165469.XA CN201610165469A CN105692449B CN 105692449 B CN105692449 B CN 105692449B CN 201610165469 A CN201610165469 A CN 201610165469A CN 105692449 B CN105692449 B CN 105692449B
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- spud leg
- self
- drilling platform
- elevating drilling
- spreading
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to a kind of method that pile legs of self-elevating drilling platform spreading closes up, the method arranges gantry crane on dock or basin, and 2 spaced apart gin pole cranes are installed on gantry crane, in the segmentation of first segment spud leg being first installed and self-elevating drilling platform being moved to dock or basin, again by remaining section spud leg Segmented butt-welding into spud leg entirety, pass through 2 gin pole cranes again by spud leg integral lifting, erect, it is promoted to certain altitude, then gantry crane drives 2 gin pole cranes and spud leg to move integrally to dock or basin, self-elevating drilling platform position is adjusted finally, mounted first segment spud leg segmentation is made to weld after integrally docking with spud leg, and above-mentioned steps complete the spreading of remaining pile lower limb like this.Reduction work high above the ground is the method achieved, the height that spud leg spreading closes up operation is reduced, is reduced construction cost, improve installation effectiveness, installation quality.
Description
Technical field
The invention belongs to offshore engineering field, and in particular to the side that a kind of pile legs of self-elevating drilling platform spreading closes up
Method.
Background technology
At present, the operating water depth of most of self-elevating drilling platform is at 300 feet, 350 feet and 400 feet, its spud leg
Length is in 120 ~ 170m, the development equipped with marine oil and gas and material, design and the continuous improvement of standard of construction, jack up
The operating depth of drilling platforms is improved constantly, and for example, the spud leg length of 500 feet of self-elevating drilling platforms is 205m.
The main mode of construction of self-elevating drilling platform has dock construction pacifically to build, the spreading of two kinds of mode of construction spud legs
It is, using gate-type crane hanging component on dock or place, to be hung height by gantry crane（70-90 m）Limit, typically connect one to two
Section spud leg segmentation（Each spud leg section length is in 20m or so）Water need to be just descended afterwards, and the segmentation of remainder spud leg is in outfitting quay point
Section spreading closes up.Each self-elevating drilling platform typically has 3 or 4 spud legs, either in dock or floor area spreading, or
In outfitting quay region spreading, closing up for spud leg be using segmentation spreading.
Above-mentioned pile legs of self-elevating drilling platform during outfitting quay area segmentation spreading closes up, main installation methods
Have：(1) crane barge lifting Method for Installation, (2) fixes full-rotary crane lifting Method for Installation, and (3) gantry crane lifting Method for Installation, (4) rises
Ship slideway shelf frock drags Method for Installation.It is many to there is work high above the ground in method installed above（Maximum operation highly reaches about 180m）, make
Industry time length, low safety, high cost, efficiency is low, positioning requirements are high, operation is inconvenient and it is wayward the shortcomings of, and also meeting
High restriction is hung by crane gear.
The content of the invention
It is an object of the invention to provide a kind of method that pile legs of self-elevating drilling platform spreading closes up, the method achieves and subtracts
Few work high above the ground, reduces the height that spud leg spreading closes up operation, reduces construction cost, improves installation effectiveness, installs matter
Amount.
The technical solution adopted in the present invention is：
A kind of method that pile legs of self-elevating drilling platform spreading closes up, comprises the steps,
1）Gantry crane is set on dock or basin, and 2 spaced apart gin poles are installed on gantry crane
Crane；
2）The first segment spud leg of some pile lower limbs is separately mounted to by self-elevating drilling platform by gantry crane
Shoe on then in self-elevating drilling platform is moved to dock or basin；
3）Remaining section spud leg of a certain pile lower limb is segmented traverse spud leg entirety is welded on land-based area place；
4）Horizontal spud leg is moved integrally to gin pole crane by transport vehicle and hang in width and be located at 2 gin pole cranes
Center；
5）Special hanger is set at spud leg entirety suspension centre, 2 gin pole cranes lift by crane spud leg entirety by special hanger
And spud leg is integrally erected, be promoted to certain altitude；
6）Gantry crane drives 2 gin pole cranes and spud leg to move integrally to dock or basin；
7）Adjustment self-elevating drilling platform position, makes mounted first segment spud leg segmentation weld after integrally docking with spud leg
Connect；
8）Gantry crane is moved to land-based area side after dock or basin；
9）Repeat step 3）To step 8）, complete the spreading of remaining pile lower limb.
Further, in step 5）In, suspension centre is located at spud leg entirety center of gravity position on the upper side, and spud leg is overall with gin pole crane
Rings center line is boundary, and in front of gin pole crane, integrally long section is located at gin pole crane rear to spud leg to spud leg entirety short section.
Further, in step 5）In, while arranging special hanger, in spud leg, integrally long section tail end arranges moving cart
And frock, while 2 gin pole cranes lifting spud legs are overall, moving cart and frock are in the presence of drag in suspension hook
The movement of heart line is integrally erected up to spud leg, then removes the overall connection with moving cart and frock of spud leg.
Further, it is provided near dock or basin and draws ship dolly, electric capstan and bollard, self-elevating drilling platform
Different azimuth be provided with some hawsers；When self-elevating drilling platform is located in dock or basin, hawser tensioning is tied up to
On bollard, self-elevating drilling platform can be fixed, by hawser successively with electric capstan and draw ship dolly and be connected, drawn by moving
Ship dolly can adjust the position of self-elevating drilling platform.
Further, transport vehicle is hydraulic flat car.
Further, sectional dimension of the clear distance of 2 gin pole cranes more than spud leg.
Further, maximum overall dimensions of the width of basin or dock more than self-elevating drilling platform.
The invention has the beneficial effects as follows：
1.2 gin pole cranes are installed on gantry crane, make use of the height of gantry crane, are reduced gin pole and are risen
The cost of heavy-duty machine；Remaining section spud leg is segmented in the horizontal overall spreading in level land, and welding surroundings are good, and easy to operate, quality is guaranteed, effect
Rate is high, cycle is short, low cost；One pile lower limb spreading closes up only once aerial work, without the need for frequently setting up jig, reduces
Temporary facility expense；Reduce spud leg spreading and close up operation height, safe, labor strength is low.
2. 2 gin pole crane arranged for interval are adopted, and spud leg is from passing through between 2 gin pole cranes, and make use of from rising
The characteristics of formula drilling platform leg is equivalent to long thin bar part, when lifting erects operation, hoisting point position is not located at termination and is located at weight
Heart position on the upper side, reduces gin pole crane lifting altitude, improves the length of spud leg entirety Liftable.
3. moving cart and frock adopt wheeled support, and force of rolling friction is little, reduces the lifting capacity of gin pole crane；
Moving cart and frock adopt wheeled support, and stationarity is good, improves the safety and stability of lifting.
4. the fixation or position adjustment of self-elevating drilling platform, simple to operate, cost are realized by tension or pull-cord
It is low.
5. hydraulic flat car is adopted, longer object can be readily transported with combination application.
Description of the drawings
Fig. 1 is to lift front view when first segment spud leg is segmented.
Fig. 2 is top view when moving self-elevating drilling platform.
Fig. 3 is to move the top view under self-elevating drilling platform after water.
Fig. 4 is to move the front view under self-elevating drilling platform after water.
Fig. 5 is the splicing schematic diagram of remaining section spud leg segmentation.
Fig. 6 is that spud leg integrally starts side view when lifting by crane.
Fig. 7 is that spud leg integrally starts top view when lifting by crane.
Fig. 8 is the side view of spud leg integral lifting process.
Fig. 9 is the front view after spud leg is integrally lifted.
Figure 10 is that spud leg is overall is segmented side view when docking with first segment spud leg.
Figure 11 is that spud leg is overall is segmented front view when docking with first segment spud leg.
Figure 12 is the front view after all spud leg installations.
Figure 13 is the cooperation schematic diagram of spud leg entirety, transport vehicle, moving cart and frock in embodiment in the present invention.
In figure：1- gantry cranes；2- gin pole cranes；3- self-elevating drilling platforms；4- land-based areas place；5- shoes；6-
Spud leg；601- first segments spud leg is segmented；602- remaining section spud leg segmentation；603- spud leg entirety；604- spud legs entirety short section；605-
The overall long section of spud leg；7- docks or basin；8- hawsers；9- bollards；10- transport vehicle；11- rings center lines；12- Special-purpose hangers
Tool；13- moving carts and frock；14- tracks；15- draws ship dolly；16- electric capstans.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Self-elevating drilling platform 3 is built in land-based area place 4 and proceeds by self-elevating drilling platform after shoe 5 of having good positioning
6 spreading of spud leg closes up operation.The method that 6 spreading of pile legs of self-elevating drilling platform of the present invention closes up, comprises the steps：
1）As shown in figure 1, gantry crane 1 is arranged on dock or basin 7（It is provided with 2 gate-types in the present embodiment to rise
Heavy-duty machine 1）, and（Near 7 side of dock or basin）2 spaced apart gin pole cranes of installation on gantry crane 1,2
Sectional dimension of the clear distance of platform gin pole crane 2 more than spud leg 6（Prevent spud leg overall 603 and gin pole lifting in handling engineering
Machine 2 bumps against）.
2 gin pole cranes 2 are installed on gantry crane 1, be make use of the height of gantry crane 1, are reduced gin pole
The cost of crane 2.
2）As shown in Figures 1 to 4, the first segment spud leg segmentation 601 of 3 pile lower limbs 6 is respectively mounted by gantry crane 1
Then by self-elevating drilling platform 3 in the shoe 5 of self-elevating drilling platform 3（Sling tailing edge rail by 2 gantry cranes 1
Road 14）It is moved in dock or basin 7（Maximum profile chi of the width of basin or dock more than self-elevating drilling platform 3
It is very little）.
As shown in Figure 3 and Figure 7, it is provided near dock or basin and draws ship dolly 15, electric capstan 16 and bollard 9, from
The different azimuth of lift-type drilling platforms 3 is provided with some hawsers 8；When self-elevating drilling platform 3 is located in dock or basin 7
When, the tensioning of hawser 8 is tied up on bollard 9, self-elevating drilling platform 3 can be fixed, by hawser 8 successively with electric capstan 16 and
Draw ship dolly 15 to connect, the position that ship dolly 15 can adjust self-elevating drilling platform 3 is drawn by movement.
The fixation or position adjustment of self-elevating drilling platform 3, simple to operate, cost are realized by tension or pull-cord 8
It is low.
3）As shown in figure 5, remaining section spud leg segmentation 602 of a certain pile lower limb 6 traverse is welded on land-based area place 4
Spud leg overall 603.
In the horizontal overall spreading in level land, welding surroundings are good, and easy to operate, quality is guaranteed, effect for remaining section spud leg segmentation 602
Rate is high, cycle is short, low cost.
4）As shown in Figure 6 and Figure 7, horizontal spud leg overall 603 is moved to by gin pole crane 2 by transport vehicle 10 and hangs width
It is interior and be located at 22 centers of gin pole crane.
5）As shown in Figure 8 and Figure 9, special hanger 12 is set at overall 603 suspension centres of spud leg, suspension centre is located at spud leg entirety
603 centers of gravity position on the upper side, with 2 rings center line 11 of gin pole crane as boundary, spud leg entirety short section 604 is located at spud leg overall 603
In front of gin pole crane 2, integrally long section 605 is located at 2 rear of gin pole crane to spud leg（I.e. gantry crane 1 is across interior）, in stake
Integrally 605 tail end of long section, 13,2 gin pole cranes 2 of setting moving cart and frock are whole by the lifting spud leg of special hanger 12 for lower limb
603,2 gin pole cranes of body lifting spud legs it is overall 603 while, moving cart and frock 13 are in the presence of drag to hanging
Hook centrage 11 is moved up to spud leg overall 603 and is erected, then the connection of dismounting spud leg overall 603 and moving cart and frock, and 2
Platform gin pole crane 2 continues lifting spud leg overall 603 makes which be promoted to certain altitude（Until the overall 603 bottoms height of spud leg is big
First segment spud leg is segmented 601 tip heights on the self-elevating drilling platform 3）.
Using 22 arranged for interval of gin pole crane, spud leg 6 is from passing through between 2 gin pole cranes 2, and make use of from rising
The characteristics of 3 spud leg 6 of formula drilling platforms is equivalent to long thin bar part, when lifting erects operation, hoisting point position is not located at termination and is located at
Center of gravity position on the upper side, reduces 2 lifting altitude of gin pole crane, improves the length of overall 603 Liftables of spud leg.
Moving cart and frock 13 adopt wheeled support, and force of rolling friction is little, reduces the lifting capacity of gin pole crane 2；
Moving cart and frock 13 adopt wheeled support, and stationarity is good, improves the safety and stability of lifting.
6）As shown in Figure 10 and Figure 11, gantry crane 1 drives 2 gin pole cranes 2 and spud leg overall 603（Along rail
Road 14）It is moved on dock or basin 7.
7）3 position of adjustment self-elevating drilling platform, makes mounted first segment spud leg segmentation 601 overall 603 pairs with spud leg
Weld after connecing.
One pile lower limb, 6 spreading closes up only once aerial work, without the need for frequently setting up jig, reduces fees for construction site facilities
With；Reduce 6 spreading of spud leg and close up operation height, safe, labor strength is low.
8）Gantry crane 1（Along track 14）It is moved to land-based area side after dock or basin.
9）As shown in figure 12, repeat step 3）To step 8）, complete the spreading of remaining pile lower limb 6.
In the present embodiment, transport vehicle 10 is hydraulic flat car.Using hydraulic flat car, fortune can be easy to combination application
Defeated longer object.
It should be appreciated that for those of ordinary skills, can be improved according to the above description or be converted,
And all these modifications and variations should all belong to the protection domain of claims of the present invention.
Claims (7)
1. a kind of method that pile legs of self-elevating drilling platform spreading closes up, it is characterised in that：Comprise the steps,
1）Gantry crane is set on dock or basin, and 2 spaced apart gin pole liftings are installed on gantry crane
Machine；
2）The first segment spud leg of some pile lower limbs is separately mounted to by gantry crane for the stake of self-elevating drilling platform
In on boots and then self-elevating drilling platform being moved to dock or basin；
3）Remaining section spud leg of a certain pile lower limb is segmented traverse spud leg entirety is welded on land-based area place；
4）Horizontal spud leg is moved integrally to gin pole crane by transport vehicle and hang in width and be located in 2 gin pole cranes
The heart；
5）Special hanger is set at spud leg entirety suspension centre, and 2 gin pole cranes lift by crane spud leg entirety by special hanger and make
Spud leg is integrally erected, is promoted to certain altitude；
6）Gantry crane drives 2 gin pole cranes and spud leg to move integrally to dock or basin；
7）Adjustment self-elevating drilling platform position, makes mounted first segment spud leg segmentation weld after integrally docking with spud leg；
8）Gantry crane is moved to land-based area side after dock or basin；
9）Repeat step 3）To step 8）, complete the spreading of remaining pile lower limb.
2. the method that pile legs of self-elevating drilling platform spreading as claimed in claim 1 closes up, it is characterised in that：In step 5）
In, suspension centre is located at spud leg entirety center of gravity position on the upper side, and spud leg is overall with gin pole crane rings center line as boundary, and spud leg is integrally short
Section is located in front of gin pole crane, and integrally long section is located at gin pole crane rear to spud leg.
3. the method that pile legs of self-elevating drilling platform spreading as claimed in claim 2 closes up, it is characterised in that：In step 5）
In, while arranging special hanger, in spud leg, integrally long section tail end arranges moving cart and frock, 2 gin pole crane liftings
While spud leg is overall, moving cart and frock are moved until spud leg integral vertical to rings center line in the presence of drag
Rise, then remove the overall connection with moving cart and frock of spud leg.
4. the method that pile legs of self-elevating drilling platform spreading as claimed in claim 1 closes up, it is characterised in that：Dock or port
It is provided near pond and draws ship dolly, electric capstan and bollard, the different azimuth of self-elevating drilling platform is provided with some hawsers；
When self-elevating drilling platform is located in dock or basin, hawser tensioning is tied up on bollard, self-elevating drilling platform
It is fixed, by hawser successively with electric capstan and draw ship dolly and be connected, drawing ship dolly by movement, to can adjust jack-up rigs flat
The position of platform.
5. the method that pile legs of self-elevating drilling platform spreading as claimed in claim 1 closes up, it is characterised in that：Transport vehicle is liquid
Flatten wooden handcart.
6. the method that pile legs of self-elevating drilling platform spreading as claimed in claim 1 closes up, it is characterised in that：2 gin poles rise
Sectional dimension of the clear distance of heavy-duty machine more than spud leg.
7. the method that pile legs of self-elevating drilling platform spreading as claimed in claim 1 closes up, it is characterised in that：Basin or ship
Maximum overall dimensions of the width in depressed place more than self-elevating drilling platform.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610165469.XA CN105692449B (en) | 2016-03-22 | 2016-03-22 | The method that pile legs of self-elevating drilling platform spreading closes up |
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|---|---|---|---|
| CN201610165469.XA CN105692449B (en) | 2016-03-22 | 2016-03-22 | The method that pile legs of self-elevating drilling platform spreading closes up |
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| CN105692449A CN105692449A (en) | 2016-06-22 |
| CN105692449B true CN105692449B (en) | 2017-03-29 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106759203A (en) * | 2016-12-22 | 2017-05-31 | 大连船舶重工集团海洋工程有限公司 | Self-elevating ocean platform pile leg structure installs the method closed up |
| CN107858994B (en) * | 2017-10-26 | 2019-08-30 | 南通中远重工有限公司 | A kind of folding method of large pier module |
| CN114182710B (en) * | 2021-12-17 | 2023-06-27 | 山海关船舶重工有限责任公司 | Method for installing pile shoe of wind power installation platform |
| CN114808897B (en) * | 2022-04-08 | 2024-05-31 | 山海关船舶重工有限责任公司 | Method for installing pile legs of wind power installation platform by gantry crane bearing crane |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4269542A (en) * | 1978-07-19 | 1981-05-26 | Petroleo Brasileiro S.A. - Petrobras | Jack-up rig for marine drilling |
| CN102168417A (en) * | 2010-02-25 | 2011-08-31 | 烟台来福士海洋工程有限公司 | Truss framed leg folding method of jack-up drilling platform |
| CN105152040A (en) * | 2015-09-08 | 2015-12-16 | 山东海湾吊装工程股份有限公司 | Process for sectionally closing and hoisting pile legs of self-elevating offshore oil platform through crawler crane |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5634029Y2 (en) * | 1977-01-25 | 1981-08-12 | ||
| JPS57119009A (en) * | 1981-01-14 | 1982-07-24 | Hitachi Zosen Corp | Vertical lifting method for large columnar object |
-
2016
- 2016-03-22 CN CN201610165469.XA patent/CN105692449B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4269542A (en) * | 1978-07-19 | 1981-05-26 | Petroleo Brasileiro S.A. - Petrobras | Jack-up rig for marine drilling |
| CN102168417A (en) * | 2010-02-25 | 2011-08-31 | 烟台来福士海洋工程有限公司 | Truss framed leg folding method of jack-up drilling platform |
| CN105152040A (en) * | 2015-09-08 | 2015-12-16 | 山东海湾吊装工程股份有限公司 | Process for sectionally closing and hoisting pile legs of self-elevating offshore oil platform through crawler crane |
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