CN208010305U - A kind of down-hole equipment end face finishing combination tool - Google Patents
A kind of down-hole equipment end face finishing combination tool Download PDFInfo
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- CN208010305U CN208010305U CN201820335965.XU CN201820335965U CN208010305U CN 208010305 U CN208010305 U CN 208010305U CN 201820335965 U CN201820335965 U CN 201820335965U CN 208010305 U CN208010305 U CN 208010305U
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- junk mill
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- motor
- righting cylinder
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Abstract
The utility model provides a kind of down-hole equipment end face finishing combination tool, including salvaging drilling rod, helicoid hydraulic motor, the junk mill that screw thread type links together successively from top to bottom；The helicoid hydraulic motor includes motor, shell, drive screw, and shell is arranged outside motor, and drilling rod is salvaged in the connection of shell upper end, is equipped with righting cylinder in the lower part of the shell of motor, drive screw upper end connects motor output end, and drive screw lower end screw thread type connects junk mill；The junk mill is located inside righting cylinder, and righting cylinder lower end is less than junk mill lower end, and righting cylinder lower port inner wall is circular conical surface.The utility model can realize righting and centering to falling drilling tool in the wellbore, while ensure that the working face of grinding tool is horizontal, realize the efficient accurate finishing for falling drilling tool end face.Eliminate the problem of the end face reconditioning injustice caused by drill-string in compression is bent.
Description
Technical field
The utility model is related to drilling technology field, combination tool is modified in specifically a kind of down-hole equipment end face.
Background technology
In wellbore construction, some large-scale drilling tools can fall shaft bottom because of fracture, and it is long that such junk buries depth, size,
Can not globality salvage, it is necessary to its top reproduce screw thread, carry out to buckle fisher.And the premise for reproducing screw thread is junk top end
Face is smooth, it is therefore necessary to implement the finishing process of tear face.
Currently used end face dressing method is the sufficiently long drilling rod of connection, and its underpart connects junk mill, rotates drilling rod, utilizes
The hard alloy particle reconditioning screw thread end face of junk mill lower end welding-on.This method is easy to operate at low cost, but in actual use, because
Under down hole problem keeps its efficiency very low：First, the drilling tool fallen usually tilts in the wellbore, junk mill can not centering, repairing
Drill string often loses stable state during whole, or even can not carry out reconditioning；Second is that natural torsion after drill-string in compression power, junk mill with
Drilling rod rotation causes reconditioning face crooked, and drilling tool end face injustice is fallen after finishing, can not carry out follow-up screw thread reconstruction.
Application number：201520916494.8 publication date 2016-08-17 discloses introduction formula abnormity fish top trimmer, including
Tool joint and wash shoes；The tool joint is arranged on the top for washing shoes；The bottom outside for washing shoes is provided with gage cutters；It should
Wash the peripherally disposed groove in bottom of shoes, the inner top surface setting finishing tooth of the groove；This washes the central parts of shoes to downward
It stretches, forms center and guide righting rod；The bottom of center guiding righting rod is provided with cutting tooth, and the center of the corrector is along vertical
Direction is provided with runner；The runner guides the bottom of righting rod from the center that extends through is washed at the top of shoes；Righting is guided using center
Bar clears up drilling tool water hole, and milling is carried out centered on drilling tool water hole, while polishing top of fish top surface, by deformation top of fish milling to institute
Size is needed, is salvaged convenient for lower part operation and using outer fishing combined tool, fish top of fish is fundamentally cut down and the problem of hanging tag occurs in well head,
It can be widely applied to the underground troubleshooting operation in oil, gas drilling.
Existing technical literature disclosed above, although having the function of righting, completely not with the righting principle of the utility model
Together, open source literature is center jewel hole righting, and after the utility model is peripheral whole righting, then entire top surface polishes, Er Qieben
Clearly demarcated core is not merely righting function, also other goals of the invention, moreover it is possible to solve the problems, such as other technologies, for example eliminate
The problem etc. of end face reconditioning injustice caused by drill-string in compression is bent, and open source literature is insurmountable, so generally speaking,
Document disclosed above is the relevant technologies, either overall technical architecture, technical problems to be solved, technique effect all with this
Utility model differs, and does not also have any technical inspiration.
Utility model content
The purpose of this utility model is to provide a kind of down-hole equipment end face finishing combination tool, can realize in the wellbore pair
The righting and centering of drilling tool are fallen, while ensureing that the working face of grinding tool is horizontal, realizes and falls the efficient accurate of drilling tool end face
Finishing.Eliminate the problem of the end face reconditioning injustice caused by drill-string in compression is bent.
The purpose of this utility model can be achieved by the following technical measures：
Down-hole equipment end face finishing combination tool include screw thread type links together successively from top to bottom salvaging drilling rod,
Helicoid hydraulic motor, junk mill；The helicoid hydraulic motor includes motor, shell, drive screw, and shell is arranged outside motor, and shell upper end connects
Fishing drilling rod is taken, righting cylinder is installed in the lower part of the shell of motor, drive screw upper end connects motor output end, drive screw
Lower end screw thread type connects junk mill；The junk mill is located inside righting cylinder, and righting cylinder lower end is less than junk mill lower end, and righting cylinder
Lower port inner wall is circular conical surface.
The purpose of this utility model can be also achieved by the following technical measures：
The righting cylinder internal diameter is more than junk mill outer diameter.
The helicoid hydraulic motor is the API standard helicoid hydraulic motor for not having camber, and drive screw is driven by drilling fluid.
The junk mill is the conventional junk mill of drilling well of lower face seting welding carbide particle.
The utility model has the advantages that compared with prior art：
1, drilling tool is fallen by the guiding of righting cylinder and contacts junk mill, and righting cylinder keeps falling drilling tool and junk mill during reconditioning
Between stablize relatively, it is high to be aligned to power and grinding efficiency.
2, junk mill is driven to rotate using drilling fluid by helicoid hydraulic motor, rather than drilling rod rotation drives junk mill.Eliminate because
The problem of end face reconditioning injustice caused by drill-string in compression bending.
3, the motor portion of helicoid hydraulic motor and righting cylinder do not rotate, and there is no the resistances between bore hole inside wall, reduce
Modify difficulty.
Description of the drawings
Fig. 1 is the main structure diagram of the utility model embodiment；
In attached drawing, parts list represented by the reference numerals are as follows：
1- salvages drilling rod, 2- motors, 3- drive screws, 4- helicoid hydraulic motors, 5- junk mills, 6- rightings cylinder, 7- shells.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, down-hole equipment end face finishing combination tool includes that screw thread type links together successively from top to bottom
Salvaging drilling rod 1, helicoid hydraulic motor 4, junk mill 5；The helicoid hydraulic motor includes motor 2, shell 7, drive screw 3, is set outside motor
Shell 7 is set, drilling rod is salvaged in the connection of 7 upper end of shell, is equipped with righting cylinder 6 in the lower part of the shell 7 of motor, drive screw upper end connects
Motor output end is connect, drive screw lower end screw thread type connects junk mill；The junk mill is located inside righting cylinder, righting cylinder lower end
Less than junk mill lower end, and righting cylinder lower port inner wall is circular conical surface, falls drilling tool conducive to guiding and enters in righting cylinder 6.
The righting cylinder internal diameter is more than junk mill outer diameter.Keep falling the relative position of drilling tool and junk mill 5 during reconditioning.
The helicoid hydraulic motor is the API standard helicoid hydraulic motor for not having camber, and drive screw is driven by drilling fluid.
The junk mill is the conventional junk mill of drilling well of lower face seting welding carbide particle.
One of the present embodiment has particular application as：During salvaging, finishing combination tool is connected according to this into well, decentralization is extremely
Drilling tool position is fallen, under the guiding function of righting cylinder 6, drilling tool upper end is fallen and enters inside righting cylinder 6, until touching junk mill 5.
It drives junk mill 5 to rotate, drilling tool upper surface is fallen by the hard alloy finishing of 5 lower part welding-on of junk mill.Righting cylinder 6 in whole process
Centralizing function is kept outside drilling tool falling, the shell 7 and righting cylinder 6 of motor 2 do not rotate, and keep the monolithic stability of dressing tool.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained in at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiments or example
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, does not limit the specific implementation mode of the invention yet.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably explain this practicality
Novel principle and practical application, to enable skilled artisan to be best understood by and utilize the utility model.
The utility model is limited only by the claims and their full scope and equivalents.
Claims (4)
1. combination tool is modified in a kind of down-hole equipment end face, including the salvaging that screw thread type links together successively from top to bottom is bored
Bar, helicoid hydraulic motor, junk mill；It is characterized in that, the helicoid hydraulic motor includes motor, shell, drive screw, setting is outer outside motor
Drilling rod is salvaged in shell, the connection of shell upper end, is equipped with righting cylinder in the lower part of the shell of motor, it is defeated that drive screw upper end connects motor
Outlet, drive screw lower end screw thread type connect junk mill；The junk mill is located inside righting cylinder, and righting cylinder lower end is less than junk mill
Lower end, and righting cylinder lower port inner wall is circular conical surface.
2. combination tool is modified in a kind of down-hole equipment end face according to claim 1, which is characterized in that in the righting cylinder
Diameter is more than junk mill outer diameter.
3. combination tool is modified in a kind of down-hole equipment end face according to claim 1 or 2, which is characterized in that the screw rod
Drilling tool is the API standard helicoid hydraulic motor for not having camber, and drive screw is driven by drilling fluid.
4. combination tool is modified in a kind of down-hole equipment end face according to claim 1 or 2, which is characterized in that the junk mill
For the conventional junk mill of drilling well of lower face seting welding carbide particle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820335965.XU CN208010305U (en) | 2018-03-12 | 2018-03-12 | A kind of down-hole equipment end face finishing combination tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820335965.XU CN208010305U (en) | 2018-03-12 | 2018-03-12 | A kind of down-hole equipment end face finishing combination tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208010305U true CN208010305U (en) | 2018-10-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820335965.XU Active CN208010305U (en) | 2018-03-12 | 2018-03-12 | A kind of down-hole equipment end face finishing combination tool |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259402A (en) * | 2018-03-12 | 2019-09-20 | 中石化石油工程技术服务有限公司 | Modify combination tool and its dressing method in down-hole equipment end face |
| CN112343533A (en) * | 2019-08-06 | 2021-02-09 | 中国石油天然气股份有限公司 | Well repairing tool |
-
2018
- 2018-03-12 CN CN201820335965.XU patent/CN208010305U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110259402A (en) * | 2018-03-12 | 2019-09-20 | 中石化石油工程技术服务有限公司 | Modify combination tool and its dressing method in down-hole equipment end face |
| CN110259402B (en) * | 2018-03-12 | 2024-01-30 | 中石化石油工程技术服务有限公司 | Underground drilling tool end face trimming combination tool and trimming method thereof |
| CN112343533A (en) * | 2019-08-06 | 2021-02-09 | 中国石油天然气股份有限公司 | Well repairing tool |
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