CN102561289A - Around synchronization hydraumatic jacking process of upper module of ultra-large marine oil platform - Google Patents
Around synchronization hydraumatic jacking process of upper module of ultra-large marine oil platform Download PDFInfo
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- CN102561289A CN102561289A CN2010106232822A CN201010623282A CN102561289A CN 102561289 A CN102561289 A CN 102561289A CN 2010106232822 A CN2010106232822 A CN 2010106232822A CN 201010623282 A CN201010623282 A CN 201010623282A CN 102561289 A CN102561289 A CN 102561289A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 238000010276 construction Methods 0.000 claims description 15
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 239000000178 monomer Substances 0.000 description 4
- 238000007667 floating Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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Abstract
The invention discloses an around synchronization hydraumatic jacking process of upper module of an ultra-large marine oil platform. The around synchronization hydraumatic jacking process comprises the following steps of: step 1, arranging a jacking and supporting mechanism at the bottom of each landing leg; step 2, controlling a jacking device to jack a set height journey, supporting an upper structure by virtue of a radial arm, and enabling a jacking device to retract; step 3, enabling a support beam slippage rail to enter a position below the upper structure; step 4, the jacking device supports jacking the set height journey by virtue of the jacking device, rotating the radial arm to support the upper structure, and enabling the jacking device to retract; step 5, enabling a next group of support beam slippage rails to enter the lower part of the support beam, enabling the jacking device to retract, and jacking the upper module for a set height; step 6, repeating the step 3, the step 4 and the step 5 until jacking the upper module to a preset height; step 7, transporting a lower structure to the bottom of the upper module; step 8, enabling the jacking device to retract, and connecting the upper module and the lower structure in a butt joint manner; and step 9, unloading and dismantling auxiliary equipment. The jacking process provided by the invention can realize the multipoint and around synchronization jacking of the upper module and can be used for carrying out effective control on the lifting speed and the displacement precision.
Description
Technical field
The present invention relates to a kind of jacking technique of large structure, relate in particular to a kind of ultra-large type offshore platform upper chunk circulation synchronous hydraulic jacking technique, belong to offshore oil engineering field.
Background technology
The exploitation of marine oil and gas resource need be arranged the offshore platform of some at sea.Offshore platform mainly contains two types: fixed platform, floating platform.
The offshore oil fixed platform generally comprises: upper chunk and fixed support structure under water.This type of offshore platform generally be with upper chunk and under water fixed support structure build separately on land, and adopt floating holder method to carry out marine installation exercise.In the shipping process of large-scale upper chunk, need between its underpart and ship deck, arrange the lower support structure usually.For floating platform, form by upper chunk and bottom buoyancy aid as the one of which, before Qi Xiashui, need in the place usually or group that dock is accomplished its upper chunk and bottom buoyancy aid to working.
For the construction of offshore platform, traditional handicraft generally is first with prefabricated completion of substructure such as lower support structure, bottom buoyancy aids, then, proceeds the construction of upper chunk again.In the building course, adopt the loop wheel machine lifting operation usually.Along with continuous the striding forward of marine petroleum development to the deep water field; The volume and weight of offshore platform is also in continuous increase; When adopting traditional handicraft to carry out the construction of ultra-large type offshore platform upper chunk; Can make it in whole building course, be in the higher position always, not enough below main the existence:
1, increases construction plant loop wheel machine use amount and loop wheel machine task difficulty, particularly need increase the access times of large-scale loop wheel machine;
2, the overall dimension and the precision control difficulty of upper chunk have been increased;
3, increased construction plant scaffold building workload;
4, increased the consumption of the interim supporting member in the upper chunk building course;
5, the construction of upper chunk need be treated can carry out after substructure is accomplished, and is unfavorable for the control of duration.
Summary of the invention
Main purpose of the present invention is to overcome the above-mentioned shortcoming that prior art exists; And a kind of ultra-large type offshore platform upper chunk circulation synchronous hydraulic jacking technique is provided, it can with ultra-large type offshore platform upper chunk and its underpart structure be separated and place lower position prefabricated separately; Reduced monomer lifting operation workload and monomer hoisting height during ultra-large type offshore platform upper chunk is built effectively, reduced the place resources such as loop wheel machine of building the place and be equipped with requirement; Simultaneously, control a plurality of hydraulic lifting devices through the control system and can realize that the multiple spot of upper chunk, circulation promote synchronously; And can effectively control hoisting velocity, displacement accuracy.
The objective of the invention is to realize by following technical scheme:
A kind of ultra-large type offshore platform upper chunk circulation synchronous hydraulic jacking technique is characterized in that: following steps are adopted in the jacking of upper chunk and the installation of substructure:
The first step, each supporting leg bottom is arranged hydraulic lifting device, upper support shelf, bottom pad pier and rotary support mechanism is installed;
In second step, control hydraulic lifting device is with setting height stroke of upper support shelf jack-up, and then, the spiral arm of control rotary support mechanism is rotated, after spiral arm supports upper support shelf, and hydraulic lifting device retraction;
The 3rd step was positioned over first group of supporting traverse on the slide rail of rotary support mechanism, and the direction slippage enters to the upper support shelf lower position along the space of rotary support mechanism to make supporting traverse;
The 4th step: control hydraulic lifting device is with setting height stroke of supporting traverse jack-up, and then, the spiral arm of control rotary support mechanism is rotated, after spiral arm supports the upper support crossbeam, and hydraulic lifting device retraction;
The 5th step: the direction slippage enters to first group of supporting traverse lower position along the rotary support mechanism space from the track of corresponding direction to control next group supporting traverse; Hydraulic lifting device retraction; The spiral arm of rotary support mechanism is rotated; After spiral arm supported supporting traverse, upper chunk was by setting height of jacking;
The 6th step: repeat above-mentioned the 3rd step to the 5th step, to the upper chunk jacking operation that circulates, until with the range upon range of jacking of upper chunk to predetermined altitude;
The 7th step: substructure is transported to precalculated position, upper chunk bottom;
The 8th step: retraction hydraulic lifting device, dock upper chunk with substructure;
The 9th step: unloading, remove hydraulic lifting device, upper support shelf, rotary support mechanism and auxiliary equipment.
Said upper chunk and its underpart structure are separated and are placed the independent prefabricated construction of lower position, during construction, arrange several interim supports in the bottom of upper chunk.
Said hydraulic lifting device is a hydraulic jack, and the oil circuit of hydraulic jack is by the control of control system synchronization.
Said control system is a computer.
Said rotary support mechanism comprises: lower support base, slide rail and be installed in several axis of rotation on the base for supporting, and base for supporting is the hollow type frame construction; Be separately installed with spiral arm on each axis of rotation.
Said axis of rotation outward flange is shaped as cross, and the angle of the rotation of axis of rotation is 90 degree, and axis of rotation is by computer control.
Beneficial effect of the present invention:
1. can be separately and place lower position prefabricated separately with ultra-large type offshore platform upper chunk and its underpart structure; Reduced monomer lifting operation workload and monomer hoisting height during ultra-large type offshore platform upper chunk is built effectively, reduced the place resources such as loop wheel machine of building the place and be equipped with requirement.
2. adopt the jacking crossbeam as climbing structure, cross layered after with crossbeam jack-up through the control system, can reach the effect of the continuous jacking of circulation;
3. adopt the control system that the jacking process is controlled, can realize the effect of multiple spot synchronization of jacking up;
4. adopt crossbeam, rotation and slipping mechanism, improved the accuracy of jacking process and the safety of jacking;
5. the jacking process operation is simple, convenient, practicality is high;
6. the present invention is primarily aimed at the original design supporting leg of upper chunk and carries out the jacking operation, need not basically to chunk jacking operating mode carry out extra intensity, rigidity is checked.
7. shorten the construction period of ultra-large type offshore platform, reduced the construction operating cost of ultra-large type offshore platform.
Description of drawings:
Fig. 1 arranges sketch map for lift-up device of the present invention.
Fig. 2 is the local enlarged diagram of lift-up device of the present invention.
Fig. 3 be among Fig. 2 A-A to sketch map.
Fig. 4 be among Fig. 2 C-C to sketch map.
Fig. 5 is located in the elevational schematic view of slide rail for first group of supporting traverse among the present invention.
Fig. 6 gets into support bottom elevational schematic view in place for first group of supporting traverse slippage among the present invention.
Fig. 7 prepares the glide mirror (plane) sketch map for first group of supporting traverse among the present invention.
Fig. 8 gets into support bottom floor map in place for first group of supporting traverse slippage among the present invention.
Fig. 9 for hydraulic lifting device among the present invention with first group of supporting traverse jack-up sketch map.
Figure 10 spends the journey sketch map for rotatable supporting mechanism rotation 90 among the present invention.
Figure 11 turn 90 degrees preceding vertical view for rotatable supporting mechanism among the present invention revolves.
Figure 12 turn 90 degrees the back vertical view for rotatable supporting mechanism among the present invention revolves.
Figure 13 accomplishes first group of crossbeam operation of jacking sketch map for the present invention.
Figure 14 prepares slippage for second group of supporting traverse among the present invention and gets into first group of crossbeam lower flat sketch map.
Figure 15 gets into first group of crossbeam bottom floor map in place for second group of supporting traverse slippage among the present invention.
Figure 16 is with second group of crossbeam jack-up sketch map among the present invention.
Figure 17 is that jacking upper chunk of the present invention is to the predetermined altitude sketch map.
Figure 18 is that jacking upper chunk of the present invention is to the predetermined altitude sketch map.
Figure 19 gets into chunk bottom sketch map for the present invention transports the lower support structure.
Figure 20 is upper chunk of the present invention and lower support structure installation exercise completion sketch map.
Main label declaration among the figure:
1 upper support shelf, 2 slide rails, 3 slide rail pad piers, 4 rotary support mechanisms, 41 spiral arms, 5 bottom bases, 6 supporting traverses, 7 hydraulic lifting devices, 10 upper chunk, 11 lower support structures.
The specific embodiment
Shown in figure-figure, upper chunk 10 of the present invention and lower support structure 11 are constructed to and adopt following steps when needing lifting:
The first step: like Fig. 1-shown in Figure 4; 1. remove the supporting pad pier of upper chunk 10 each supporting leg bottom; With the bottom base 5 of hydraulic lifting device 7, upper support shelf 1, several rotary support mechanisms 4, be arranged in the bottom of upper chunk 10 supporting legs; Upper support shelf 1 is installed in hydraulic lifting device 7 tops, and the bottom base 5 of several rotary support mechanisms 4 is arranged in around the hydraulic lifting device 7; And between hydraulic lifting device 7 and upper support shelf 1, arrange rotation braced structures 4 and supporting traverse 6, and slide rail pad pier 3 is arranged in rotation braced structures 4 slide rail 2 below.2. hydraulic lifting device 7 is connected with pumping plant and control system, realizes the jacking operation through control system control hydraulic lifting device 7.3. accomplish the debugging work of whole hydraulic control system.Present embodiment: the control system is a computer; Hydraulic lifting device 7 is a hydraulic jack, and the oil circuit of hydraulic jack is by the computer Synchronization Control.Rotary support mechanism comprises: lower support base 5, slide rail 2 and employing pivot joint mode are installed in several axis of rotation on the base for supporting 5; Base for supporting 5 its form of structure are consistent with slide rail supporting pad pier; Be the hollow type frame construction; Base for supporting 5 places on the ground, is placed in one to make things convenient for the hydraulic lifting device; Adopt the pivot joint mode to be separately installed with spiral arm 41 on each axis of rotation, axis of rotation 41 outward flanges are shaped as cross, and making the angle that satisfies each rotation is the principle of 90 degree.Spiral arm 41 can be installed respectively with base for supporting 5, then butt joint each other.Control axis of rotation in butt joint back can make spiral arm 41 rotations, and axis of rotation is by the control of control system, and the control system is a computer; Rotating an angle is 90 degree, and the structural strength of spiral arm can satisfy the support requirement.
Second step: hydraulic lifting device 7 is with setting height stroke of upper support shelf 1 jack-up, and then, the spiral arm 41 of control rotary support mechanism 4 carries out 90 degree rotations, after spiral arm 41 supports upper support shelf 1, and hydraulic lifting device 7 retractions;
The 3rd step: like Fig. 5-shown in Figure 8, first group of supporting traverse 6 is positioned on the slide rail 2 of spiral arm 41 of rotary support mechanism 4, the direction slippage enters to upper support shelf 1 lower position along the space of rotary support mechanism 4 to make supporting traverse 6;
The 4th step: as shown in Figure 9; Control hydraulic lifting device 7 is with setting height stroke of first group of supporting traverse, 6 jack-up; And support whole top weight, then, the spiral arm 41 of control rotary support mechanism 4 carries out 90 degree rotations; After spiral arm supports upper support crossbeam 6, hydraulic lifting device 7 retractions;
The 4th step: control hydraulic lifting device 7 is with setting height stroke of supporting traverse 6 jack-up, and then, the spiral arm of control rotary support mechanism carries out 90 degree rotations, after spiral arm supports upper support crossbeam 6, and hydraulic lifting device 7 retractions; Upper chunk 10 is by the height of a supporting traverse 6 of jacking.
The 5th step: like Figure 10-shown in Figure 12; The space direction is alignd with another group slide rail 2 that is located at corresponding direction; Control second group of supporting traverse 6 and can the direction slippage get into first group of supporting traverse 6 bottom along the space, hydraulic lifting device 7 retractions, simultaneously; The cantilever 41 of rotary support mechanism 4 carries out 90 degree rotations, after spiral arm 41 supports supporting traverse 6; The cantilever 41 of rotary support mechanism 4 supports first group of supporting traverse 6 and above all wt, and upper chunk is by supporting traverse of jacking 6 height;
Like Figure 13-shown in Figure 15, be second group of process that supporting traverse 6 slippages get into first group of supporting traverse 6 bottom, the direction slippage gets into supporting traverse 6 along the space of rotary support mechanism 4.
Shown in figure 16; Second group of supporting traverse 6 is by hydraulic lifting device 7 jack-up; Arriving behind the predetermined altitude control rotary support mechanism 4 spiral arms 41 continues to revolve and turn 90 degrees; Equally, on the one hand will be used to support second group of supporting traverse 6, and be used to make the 3rd group of supporting traverse 6 can get into the bottom of second group of supporting traverse 6 on the other hand along the space direction slippage of the spiral arm 41 of rotary support mechanism 4.So far, whole upper chunk 10 is by the height of 2 supporting traverses 6 of jacking.
The 6th step: like Figure 17, shown in 18, repeat the process in the 3rd step to the 5th step, to the upper chunk 10 jacking operation that circulates, until with upper chunk 10 range upon range of jackings to predetermined altitude; Because the height of supporting traverse 6 is definite values, so, if the top lifting height that requires is not the multiple of supporting traverse 6 height, then earlier range upon range of crossbeam to from requiring nearest height, then, with hydraulic lifting device 7 jack-up to reach the purpose of jacking to predetermined altitude.
The 9th step: shown in figure 19; After jacking is accomplished; The lower support structure 11 of ultra-large type offshore platform upper chunk 10 is moved to the bottom of chunk 10 through the mode of transportation; Then, 7 unloadings of control system control hydraulic lifting device are transferred to the weight of upper chunk 10 on the lower support structure 11.
The tenth step: shown in figure 20,7 unloadings of hydraulic lifting device, the jacking operation is accomplished, and removes jacking operation device therefor and support.
Hydraulic lifting device, jacking framework, jacking supporting traverse, computer control system are existing product.
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical scheme of the present invention any simple modification, equivalent variations and modification that above embodiment did.
Claims (6)
1. ultra-large type offshore platform upper chunk circulation synchronous hydraulic jacking technique is characterized in that: following steps are adopted in the jacking of upper chunk and the installation of substructure:
The first step, each supporting leg bottom is arranged hydraulic lifting device, upper support shelf, bottom pad pier and rotary support mechanism is installed;
In second step, control hydraulic lifting device is with setting height stroke of upper support shelf jack-up, and then, the spiral arm of control rotary support mechanism is rotated, after spiral arm supports upper support shelf, and hydraulic lifting device retraction;
The 3rd step was positioned over first group of supporting traverse on the slide rail of rotary support mechanism, and the direction slippage enters to the upper support shelf lower position along the space of rotary support mechanism to make supporting traverse;
The 4th step: control hydraulic lifting device is with setting height stroke of supporting traverse jack-up, and then, the spiral arm of control rotary support mechanism is rotated, after spiral arm supports the upper support crossbeam, and hydraulic lifting device retraction;
The 5th step: the direction slippage enters to first group of supporting traverse lower position along the rotary support mechanism space from the track of corresponding direction to control next group supporting traverse; Hydraulic lifting device retraction; The spiral arm of rotary support mechanism is rotated; After spiral arm supported supporting traverse, upper chunk was by setting height of jacking;
The 6th step: repeat above-mentioned the 3rd step to the 5th step, to the upper chunk jacking operation that circulates, until with the range upon range of jacking of upper chunk to predetermined altitude;
The 7th step: substructure is transported to precalculated position, upper chunk bottom;
The 8th step: retraction hydraulic lifting device, dock upper chunk with substructure;
The 9th step: unloading, remove hydraulic lifting device, upper support shelf, rotary support mechanism and auxiliary equipment.
2. ultra-large type offshore platform upper chunk circulation synchronous hydraulic jacking technique according to claim 1; It is characterized in that: said upper chunk and its underpart structure are separately and place the independent prefabricated construction of lower position; During construction, arrange several interim supports in the bottom of upper chunk.
3. ultra-large type offshore platform upper chunk circulation synchronous hydraulic jacking technique according to claim 1, it is characterized in that: said hydraulic lifting device is a hydraulic jack, the oil circuit of hydraulic jack is by the control of control system synchronization.
4. ultra-large type offshore platform upper chunk circulation synchronous hydraulic jacking technique according to claim 3 is characterized in that: said control system is a computer.
5. ultra-large type offshore platform upper chunk circulation synchronous hydraulic jacking technique according to claim 1; It is characterized in that: said rotary support mechanism comprises: lower support base, slide rail and be installed in several axis of rotation on the base for supporting, and base for supporting is the hollow type frame construction; Be separately installed with spiral arm on each axis of rotation.
6. ultra-large type offshore platform upper chunk circulation synchronous hydraulic jacking technique according to claim 5, it is characterized in that: said axis of rotation outward flange is shaped as cross, and the angle of the rotation of axis of rotation is 90 degree, and axis of rotation is by computer control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201010623282.2A CN102561289B (en) | 2010-12-30 | 2010-12-30 | Around synchronization hydraumatic jacking process of upper module of ultra-large marine oil platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010623282.2A CN102561289B (en) | 2010-12-30 | 2010-12-30 | Around synchronization hydraumatic jacking process of upper module of ultra-large marine oil platform |
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| CN102561289A true CN102561289A (en) | 2012-07-11 |
| CN102561289B CN102561289B (en) | 2015-03-18 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102807174A (en) * | 2012-08-09 | 2012-12-05 | 中国海洋石油总公司 | Synchronous jacking process of rolled pipes for ultra-large deepwater jacket |
| CN104528412A (en) * | 2014-11-28 | 2015-04-22 | 博迈科海洋工程股份有限公司 | High-built large structure based shipment assembly method |
| CN107739002A (en) * | 2017-11-03 | 2018-02-27 | 陈淑芳 | Intelligent landing control method for vehicle lifting apparatus |
| CN109625174A (en) * | 2018-12-18 | 2019-04-16 | 海洋石油工程（青岛）有限公司 | Semisubmersible platform upper chunk and lower float structure slideway jack the technique closed up |
| CN111101717A (en) * | 2019-12-26 | 2020-05-05 | 广东精铟海洋工程股份有限公司 | Jacking device and tower support |
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2010
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Patent Citations (5)
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| WO2000031349A1 (en) * | 1998-11-23 | 2000-06-02 | Oil Barges, Inc. | Movable self-elevating artifical work island with modular hull |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102807174A (en) * | 2012-08-09 | 2012-12-05 | 中国海洋石油总公司 | Synchronous jacking process of rolled pipes for ultra-large deepwater jacket |
| CN104528412A (en) * | 2014-11-28 | 2015-04-22 | 博迈科海洋工程股份有限公司 | High-built large structure based shipment assembly method |
| CN107739002A (en) * | 2017-11-03 | 2018-02-27 | 陈淑芳 | Intelligent landing control method for vehicle lifting apparatus |
| CN107739002B (en) * | 2017-11-03 | 2019-11-15 | 方都 | Intelligent landing control method for vehicle lifting apparatus |
| CN109625174A (en) * | 2018-12-18 | 2019-04-16 | 海洋石油工程（青岛）有限公司 | Semisubmersible platform upper chunk and lower float structure slideway jack the technique closed up |
| CN111101717A (en) * | 2019-12-26 | 2020-05-05 | 广东精铟海洋工程股份有限公司 | Jacking device and tower support |
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| CN102561289B (en) | 2015-03-18 |
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Address after: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee after: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee after: OFFSHORE OIL ENGINEERING (QINGDAO) Co.,Ltd. Address before: 100010 Chaoyangmen North Street, Dongcheng District, Dongcheng District, Beijing Co-patentee before: OFFSHORE OIL ENGINEERING Co.,Ltd. Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Co-patentee before: OFFSHORE OIL ENGINEERING (QINGDAO) Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150318 |
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| CF01 | Termination of patent right due to non-payment of annual fee |