CN107642077A - A kind of maintenance intervention method of drilling platforms cantilever beam - Google Patents
A kind of maintenance intervention method of drilling platforms cantilever beam Download PDFInfo
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- CN107642077A CN107642077A CN201710735479.7A CN201710735479A CN107642077A CN 107642077 A CN107642077 A CN 107642077A CN 201710735479 A CN201710735479 A CN 201710735479A CN 107642077 A CN107642077 A CN 107642077A
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- cantilever beam
- hydraulic jack
- rig floor
- drilling platforms
- intervention method
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Abstract
A kind of maintenance intervention method of drilling platforms cantilever beam is disclosed herein, is comprised the following steps：Step a：Jacking apparatus is arranged on below the cantilever beam rig floor of drilling platforms；Step b：Jacking apparatus is adjusted, it is jacked up rig floor, and rig floor is departed from cantilever beam；Step c：When rig floor departs from cantilever beam to pre-determined distance, stop jacking apparatus operation, maintenance cantilever beam.The application can be applied to drilling technology field, can effectively overcome technological deficiency present in prior art using the application, can effectively improve the maintenance efficiency of cantilever beam；Simultaneously, additionally it is possible to effectively reduce the maintenance labor intensity of cantilever beam；Further, additionally it is possible to effectively solve to place and the large-scale Dependence Problem for hanging moving device.
Description
Technical field
The application relates to, but are not limited to drilling technology field, especially a kind of maintenance intervention side of drilling platforms cantilever beam
Method.
Background technology
In the prior art, it is necessary to eliminate rig floor deadweight when the cantilever beam load-carrying members of self-elevating drilling platform place under repair
Influence to cantilever beam structure.At present, traditional scheme is hung oneself shifting from cantilever beam by after the equipment Removals such as derrick, then by rig floor.
But hanging shifting, recovering to need large-scale lifting appliance to coordinate to complete for rig floor and derrick, higher is required to space enrironment；Simultaneously
The work such as rig floor cable, pipeline, the dismounting of equipment, time dress, debugging are further related to, workload is huge, and the required duration is longer.
The content of the invention
The technical problem that the application solves is to provide a kind of maintenance intervention method of drilling platforms cantilever beam, can be effective gram
Technological deficiency present in prior art is taken, the maintenance efficiency of cantilever beam can be effectively improved；Simultaneously, additionally it is possible to effectively reduce outstanding
The maintenance labor intensity of arm beam；Further, additionally it is possible to effectively solve to place and the large-scale Dependence Problem for hanging moving device.
In order to solve the above technical problems, this application provides a kind of maintenance intervention method of drilling platforms cantilever beam, including
Following steps：
Step a：Jacking apparatus is arranged on below the cantilever beam rig floor of drilling platforms；
Step b：Jacking apparatus is adjusted, it is jacked up rig floor, and rig floor is departed from cantilever beam；
Step c：When rig floor departs from cantilever beam to pre-determined distance, stop jacking apparatus operation, maintenance cantilever beam.
The maintenance intervention method of above-mentioned drilling platforms cantilever beam, can also have following features,
The jacking apparatus includes two lifting bodies, and described two lifting bodies are separately positioned on two of drillingrig base
Below the crossbeam；
The lifting body includes support and the hydraulic jack being arranged on above support.
The maintenance intervention method of above-mentioned drilling platforms cantilever beam, can also have following features,
The support includes being arranged on the rectangle truss of bottom, be arranged on the triangular truss of centre and being arranged on top
Column；
The column includes at least two shaped steel being vertically arranged, and the top of the shaped steel is provided with mounting platform, institute
State and the first hydraulic jack and the second hydraulic jack are provided with mounting platform.
The maintenance intervention method of above-mentioned drilling platforms cantilever beam, can also have following features,
The step b also includes：
Step b1：The the first hydraulic jack boosting adjusted simultaneously on all mounting platforms jacks up preset height h, all
The lower section of second hydraulic jack sets increase height h backing plate, so that the top of the second hydraulic jack and the first hydraulic pressure thousand
The top on jin top flushes.
The maintenance intervention method of above-mentioned drilling platforms cantilever beam, can also have following features,
The step b also includes：
Step b2：After step b1 is completed, adjust all second hydraulic jack boostings and jack up preset height h, adjust institute
There is the first hydraulic jack pressure release to restPose, increase height 2h backing plate in the lower section of all first hydraulic jacks,
So that the top of the first hydraulic jack flushes with the top of the second hydraulic jack.
The maintenance intervention method of above-mentioned drilling platforms cantilever beam, can also have following features,
The step b also includes：
Step b3：After step b2 is completed, adjust all first hydraulic jack boostings and jack up preset height h, adjust institute
There is the second hydraulic jack pressure release to restPose, increase height 2h backing plate in the lower section of all second hydraulic jacks,
So that the top of the second hydraulic jack flushes with the top of the first hydraulic jack；Repeat step b2.
The maintenance intervention method of above-mentioned drilling platforms cantilever beam, can also have following features,
The original state of first hydraulic jack and the second hydraulic jack, it is respectively provided with initial pressure value p, p ＞ 0.
The maintenance intervention method of above-mentioned drilling platforms cantilever beam, can also have following features,
The step c also includes：
Step c1：When rig floor departs from cantilever beam pre-determined distance m, adjust all hydraulic jacks in pressure-increasning state and let out
Pressure restPoses, and removes the hydraulic jack and backing plate below；
Step c2：Height m steel pipe is arranged between mounting platform and the crossbeam of rig floor, and with mounting platform and crossbeam
Between be welded to connect；
Step c3：Remaining hydraulic jack pressure release is adjusted, removes the hydraulic jack and backing plate below.
The maintenance intervention method of above-mentioned drilling platforms cantilever beam, can also have following features,
The column includes three shaped steel being vertically arranged, and the shaped steel is H profile steel, between three shaped steel being vertically arranged
It is connected by the H profile steel laterally set.
The maintenance intervention method of above-mentioned drilling platforms cantilever beam, can also have following features,
The rectangle truss, triangular truss are disposed as welding the frame structure formed by H profile steel and pipe steel.
The application above-mentioned technical proposal has the advantages that：
Compared to prior art, Ben Fa can effectively be jacked up rig floor and with hanging by the setting of above-mentioned jacking apparatus
Arm beam completely disengages, with eliminate rig floor deadweight to cantilever beam repair caused by influence, with avoid rig floor of the prior art and
Derrick hangs shifting operation, also can effectively avoid the work such as rig floor cable, pipeline, the dismounting of equipment, time dress, debugging, can make
It is simple and easy to obtain the maintenance operation of cantilever beam, it is time saving and energy saving；Meanwhile it can also avoid the large-scale use for hanging moving device, Neng Gouyou
Effect reduces operating cost.
Further, the present invention can also pass through the setting of above-mentioned rectangle truss, using the teaching of the invention it is possible to provide relatively stable bottom support
Structure；The parts such as the pipeline of rig floor bottom can effectively be avoided by the setting of above-mentioned top upright post in operation；It can lead to
Cross the setting of above-mentioned mounting platform, using the teaching of the invention it is possible to provide the mounting platform relatively stable to hydraulic jack, to meet its installation requirements；
Being stably connected between rectangle truss and column, above-mentioned triangle purlin can be realized by the setting of above-mentioned triangular truss
The setting of frame, the pipeline of rig floor bottom also can be effectively avoided to a certain extent, can ensure that the jacking operation of rig floor is smooth
Carry out.
Further, above-mentioned steps b1, b2 provided by the invention and b3 may make up alternately regulation operation, i.e., adjust in turn
First hydraulic jack and the second hydraulic jack, above-mentioned preset height h can be the first hydraulic jack and the second hydraulic pressure
The maximum range of jack；By the above-mentioned operation for alternately adjusting hydraulic jack, it can effectively overcome hydraulic jack maximum
Limited caused by range, the regulation operation of different height by the application of tie spacer, can be realized, hanged so that rig floor departs from
Arm beam is to pre-determined distance.
Further, the present invention can also be effectively improved three and be vertically arranged by the above-mentioned H profile steel laterally set
Connective stability between shaped steel；The above-mentioned H profile steel laterally set can be with being welded to connect between three shaped steel being vertically arranged；Also
The setting of above-mentioned H profile steel can be passed through, it is possible to increase relatively stable outer framework structure；The setting of above-mentioned pipe steel, energy can be passed through
The stability of outer framework structure is enough effectively improved, and then the overall structural stability of frame structure can be effectively improved.
Other features and advantage will illustrate in the following description, also, partly become from specification
Obtain it is clear that or being understood by implementing the embodiment of the present invention.The purpose of the application and other advantages can be by illustrating
Specifically noted structure is realized and obtained in book, claims and accompanying drawing.
Brief description of the drawings
Accompanying drawing is used for providing further understanding technical scheme, and a part for constitution instruction, with this
The embodiment of application is used for the technical scheme for explaining the application together, does not form the limitation to technical scheme.
Fig. 1 is the schematic flow sheet of the embodiment of the present invention one.
Embodiment
Embodiments herein is described in detail below in conjunction with accompanying drawing.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
Embodiment one：
With reference to shown in Fig. 1, the embodiments of the invention provide a kind of maintenance intervention method of drilling platforms cantilever beam, including such as
Lower step：
Step a：Jacking apparatus is arranged on below the cantilever beam rig floor of drilling platforms；
Step b：Jacking apparatus is adjusted, it is jacked up rig floor, and rig floor is departed from cantilever beam；
Step c：When rig floor departs from cantilever beam to pre-determined distance, stop jacking apparatus operation, maintenance cantilever beam.
In concrete operations, rig floor can effectively be jacked up and complete with cantilever beam by the setting of above-mentioned jacking apparatus
Depart from, to eliminate the influence caused by rig floor deadweight is repaired to cantilever beam, to avoid hanging for rig floor and derrick of the prior art
Operation is moved, the work such as rig floor cable, pipeline, the dismounting of equipment, time dress, debugging also can be effectively avoided, enable to cantilever beam
Maintenance operation it is simple and easy, it is time saving and energy saving；Meanwhile the large-scale use for hanging moving device can be also avoided, it can effectively reduce work
Industry cost.
Preferably, in the present embodiment, above-mentioned jacking apparatus includes two lifting bodies, and two lifting bodies are separately positioned on
Two below the crossbeams of drillingrig base；Lifting body includes support and the hydraulic jack being arranged on above support.
In concrete operations, above-mentioned post rod mechanism can be symmetrically arranged on to two below the crossbeams of drillingrig base, effectively protected
The producing balanced forces of rig floor are demonstrate,proved, and then can effectively ensure that being smoothed out for maintenance operation, can effectively be overcome because of rig floor stress not
Stable Defects caused by.
Further, in the present embodiment, above-mentioned support includes being arranged on the rectangle truss of bottom, is arranged on the triangle of centre
Shape truss and the column for being arranged on top；Column includes at least two shaped steel being vertically arranged, and the top of shaped steel is provided with
Mounting platform, the first hydraulic jack and the second hydraulic jack are provided with mounting platform.
In concrete operations, the setting of above-mentioned rectangle truss can be passed through, using the teaching of the invention it is possible to provide relatively stable lower support structure；Can
By the setting of above-mentioned top upright post, the parts such as the pipeline of rig floor bottom can be effectively avoided in operation；Can be by above-mentioned
The setting of mounting platform, using the teaching of the invention it is possible to provide the mounting platform relatively stable to hydraulic jack, to meet its installation requirements；It can pass through
The setting of above-mentioned triangular truss, can realize being stably connected between rectangle truss and column, and above-mentioned triangular truss is set
Put, also can effectively avoid the pipeline of rig floor bottom to a certain extent, can ensure that the jacking operation of rig floor is smoothed out.
Preferably, in the present embodiment, above-mentioned steps b also includes：
Step b1：The the first hydraulic jack boosting adjusted simultaneously on all mounting platforms jacks up preset height h, all
The lower section of second hydraulic jack sets increase height h backing plate, so that the top of the second hydraulic jack and the first hydraulic pressure thousand
The top on jin top flushes.
Step b2：After step b1 is completed, adjust all second hydraulic jack boostings and jack up preset height h, adjust institute
There is the first hydraulic jack pressure release to restPose, increase height 2h backing plate in the lower section of all first hydraulic jacks,
So that the top of the first hydraulic jack flushes with the top of the second hydraulic jack.
Step b3：After step b2 is completed, adjust all first hydraulic jack boostings and jack up preset height h, adjust institute
There is the second hydraulic jack pressure release to restPose, increase height 2h backing plate in the lower section of all second hydraulic jacks,
So that the top of the second hydraulic jack flushes with the top of the first hydraulic jack；Repeat step b2.
In concrete operations, above-mentioned steps b1, b2 and b3 may make up alternately regulation operation, i.e., adjust the first hydraulic pressure thousand in turn
Jin top and the second hydraulic jack, above-mentioned preset height h can be the first hydraulic jack and the second hydraulic jack most
Wide range；By the above-mentioned operation for alternately adjusting hydraulic jack, hydraulic jack maximum range can be effectively overcome to be brought
Limitation, the regulation operation of different height by the application of tie spacer, can be realized, so that rig floor departs from cantilever beam to default
Distance.
Preferably, in the present embodiment, the original state of above-mentioned first hydraulic jack and the second hydraulic jack, it is respectively provided with
Initial pressure value p, p ＞ 0.
Preferably, in the present embodiment, above-mentioned steps c also includes：
Step c1：When rig floor departs from cantilever beam pre-determined distance m, adjust all hydraulic jacks in pressure-increasning state and let out
Pressure restPoses, and removes the hydraulic jack and backing plate below；
Step c2：Height m steel pipe is arranged between mounting platform and the crossbeam of rig floor, and with mounting platform and crossbeam
Between be welded to connect；
Step c3：Remaining hydraulic jack pressure release is adjusted, removes the hydraulic jack and backing plate below.
In concrete operations, above-mentioned pre-determined distance is 100mm；That is, when rig floor departs from cantilever beam 100mm, regulation behaviour is stopped
Make, and carry out corresponding fixed operation；Now, one in the first hydraulic jack or the second hydraulic jack is in boosting shape
State, another is in original state；It may be selected, by the hydraulic jack pressure release in pressure-increasning state, to be now in original state
Hydraulic jack is used to support rig floor.
And then all remove the backing plate of the hydraulic jack after pressure release and lower section, and steel pipe high 100mm is set
Between mounting platform and the crossbeam of rig floor, and it will be welded to connect between steel pipe and mounting platform and crossbeam；Finally, then by residue
Hydraulic jack pressure release, i.e., the initial pressure of hydraulic jack is released, so that the total weight of steel pipe support rig floor；It is remaining
After the initial pressure of hydraulic jack releases, hydraulic jack is in free state, directly takes out.
, can be according to it should be noted that, it is necessary to when rig floor is dropped into initial position after the completion of cantilever beam maintenance operation
The reverse sequence of above-mentioned erection sequence is carried out, until rig floor is fallen after rise to initial position.
In the present embodiment, above-mentioned column includes three shaped steel being vertically arranged, shaped steel is H profile steel, and three are vertically arranged
It is connected between shaped steel by the H profile steel laterally set.
In concrete operations, can by the above-mentioned H profile steel laterally set, can effectively improve three shaped steel being vertically arranged it
Between connective stability；The above-mentioned H profile steel laterally set can be with being welded to connect between three shaped steel being vertically arranged.
Further, in the present embodiment, above-mentioned rectangle truss, triangular truss are disposed as by H profile steel and the weldering of pipe steel
Connect the frame structure to be formed.
In concrete operations, the setting of above-mentioned H profile steel can be passed through, it is possible to increase relatively stable outer framework structure；It can pass through
The setting of above-mentioned pipe steel, can effectively improve the stability of outer framework structure, and then can effectively improve frame structure entirety
Structural stability.
In conjunction with the embodiments one understand, Ben Fa can by the setting of above-mentioned jacking apparatus, rig floor can effectively be jacked up and with
Cantilever beam completely disengages, to eliminate the influence caused by rig floor deadweight is repaired to cantilever beam, to avoid rig floor of the prior art
And the shifting of hanging of derrick operates, the work such as rig floor cable, pipeline, the dismounting of equipment, time dress, debugging also can be effectively avoided, can
So that the maintenance operation of cantilever beam is simple and easy, it is time saving and energy saving；Meanwhile the large-scale use for hanging moving device can be also avoided, can
Effectively reduce operating cost.
Further, the present invention can also pass through the setting of above-mentioned rectangle truss, using the teaching of the invention it is possible to provide relatively stable bottom support
Structure；The parts such as the pipeline of rig floor bottom can effectively be avoided by the setting of above-mentioned top upright post in operation；It can lead to
Cross the setting of above-mentioned mounting platform, using the teaching of the invention it is possible to provide the mounting platform relatively stable to hydraulic jack, to meet its installation requirements；
Being stably connected between rectangle truss and column, above-mentioned triangle purlin can be realized by the setting of above-mentioned triangular truss
The setting of frame, the pipeline of rig floor bottom also can be effectively avoided to a certain extent, can ensure that the jacking operation of rig floor is smooth
Carry out.
Further, above-mentioned steps b1, b2 provided by the invention and b3 may make up alternately regulation operation, i.e., adjust in turn
First hydraulic jack and the second hydraulic jack, above-mentioned preset height h can be the first hydraulic jack and the second hydraulic pressure
The maximum range of jack；By the above-mentioned operation for alternately adjusting hydraulic jack, it can effectively overcome hydraulic jack maximum
Limited caused by range, the regulation operation of different height by the application of tie spacer, can be realized, hanged so that rig floor departs from
Arm beam is to pre-determined distance.
Further, the present invention can also be effectively improved three and be vertically arranged by the above-mentioned H profile steel laterally set
Connective stability between shaped steel；The above-mentioned H profile steel laterally set can be with being welded to connect between three shaped steel being vertically arranged；Also
The setting of above-mentioned H profile steel can be passed through, it is possible to increase relatively stable outer framework structure；The setting of above-mentioned pipe steel, energy can be passed through
The stability of outer framework structure is enough effectively improved, and then the overall structural stability of frame structure can be effectively improved.
In the description of the present application, term " installation ", " connected ", " connection ", " fixation " etc. all should be interpreted broadly, example
Such as, " connection " can be fixedly connected or be detachably connected, or be integrally connected；Can be joined directly together, can also
It is indirectly connected by intermediary.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in this application.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean to combine at least one reality that specific features, structure, material or the feature that the embodiment or example describe are contained in the application
Apply in example or example.In this manual, identical embodiment or reality are not necessarily referring to the schematic representation of above-mentioned term
Example.Moreover, description specific features, structure, material or feature can in any one or more embodiments or example with
Suitable mode combines.
Although those skilled in the art should be understood that embodiment disclosed by the embodiment of the present invention as above, described
Content be only the embodiment that readily appreciates the embodiment of the present invention and use, be not limited to the embodiment of the present invention.It is any
Technical staff in art of the embodiment of the present invention, in the premise for not departing from the spirit and scope disclosed by the embodiment of the present invention
Under, any modification and change, but the scope of patent protection of the embodiment of the present invention can be carried out in the form and details of implementation,
Still it should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
- A kind of 1. maintenance intervention method of drilling platforms cantilever beam, it is characterised in that comprise the following steps：Step a：Jacking apparatus is arranged on below the cantilever beam rig floor of drilling platforms；Step b：Jacking apparatus is adjusted, it is jacked up rig floor, and rig floor is departed from cantilever beam；Step c：When rig floor departs from cantilever beam to pre-determined distance, stop jacking apparatus operation, maintenance cantilever beam.
- 2. the maintenance intervention method of drilling platforms cantilever beam according to claim 1, it is characterised in thatThe jacking apparatus includes two lifting bodies, and described two lifting bodies are separately positioned on two crossbeams of drillingrig base Lower section；The lifting body includes support and the hydraulic jack being arranged on above support.
- 3. the maintenance intervention method of drilling platforms cantilever beam according to claim 2, it is characterised in thatThe support includes being arranged on the rectangle truss of bottom, be arranged on the triangular truss of centre and being arranged on the vertical of top Post；The column includes at least two shaped steel being vertically arranged, and the top of the shaped steel is provided with mounting platform, the peace The first hydraulic jack and the second hydraulic jack are provided with assembling platform.
- 4. the maintenance intervention method of drilling platforms cantilever beam according to claim 3, it is characterised in thatThe step b also includes：Step b1：The the first hydraulic jack boosting adjusted simultaneously on all mounting platforms jacks up preset height h, all second The lower section of hydraulic jack sets increase height h backing plate, so that the top of the second hydraulic jack and the first hydraulic jack Top flush.
- 5. the maintenance intervention method of drilling platforms cantilever beam according to claim 4, it is characterised in thatThe step b also includes：Step b2：After step b1 is completed, adjust the boosting of all second hydraulic jacks and jack up preset height h, regulation all the One hydraulic jack pressure release restPoses, in the lower section of all first hydraulic jacks increase height 2h backing plate, so that The top of first hydraulic jack flushes with the top of the second hydraulic jack.
- 6. the maintenance intervention method of drilling platforms cantilever beam according to claim 5, it is characterised in thatThe step b also includes：Step b3：After step b2 is completed, adjust the boosting of all first hydraulic jacks and jack up preset height h, regulation all the Two hydraulic jack pressure releases restPose, in the lower section of all second hydraulic jacks increase height 2h backing plate, so that The top of second hydraulic jack flushes with the top of the first hydraulic jack；Repeat step b2.
- 7. the maintenance intervention method of the drilling platforms cantilever beam according to claim 4 or 5 or 6, it is characterised in thatThe original state of first hydraulic jack and the second hydraulic jack, it is respectively provided with initial pressure value p, p ＞ 0.
- 8. the maintenance intervention method of drilling platforms cantilever beam according to claim 7, it is characterised in thatThe step c also includes：Step c1：When rig floor departs from cantilever beam pre-determined distance m, it is extensive to adjust all hydraulic jack pressure releases in pressure-increasning state Multiple original state, and remove the hydraulic jack and backing plate below；Step c2：Height m steel pipe is arranged between mounting platform and the crossbeam of rig floor, and between mounting platform and crossbeam It is welded to connect；Step c3：Remaining hydraulic jack pressure release is adjusted, removes the hydraulic jack and backing plate below.
- 9. the maintenance intervention method of the drilling platforms cantilever beam according to claim 3 or 4 or 5 or 6, it is characterised in thatThe column includes three shaped steel being vertically arranged, and the shaped steel is H profile steel, is passed through between three shaped steel being vertically arranged The H profile steel laterally set is connected.
- 10. the maintenance intervention method of the drilling platforms cantilever beam according to claim 3 or 4 or 5 or 6, it is characterised in thatThe rectangle truss, triangular truss are disposed as welding the frame structure formed by H profile steel and pipe steel.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710735479.7A CN107642077B (en) | 2017-08-24 | 2017-08-24 | A kind of maintenance intervention method of drilling platforms cantilever beam |
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| CN201710735479.7A CN107642077B (en) | 2017-08-24 | 2017-08-24 | A kind of maintenance intervention method of drilling platforms cantilever beam |
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| CN107642077B (en) | 2019-09-06 |
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