CN205422536U - Guiding device goes into under auto -excitation type sleeve pipe - Google Patents
Guiding device goes into under auto -excitation type sleeve pipe Download PDFInfo
- Publication number
- CN205422536U CN205422536U CN201620204660.6U CN201620204660U CN205422536U CN 205422536 U CN205422536 U CN 205422536U CN 201620204660 U CN201620204660 U CN 201620204660U CN 205422536 U CN205422536 U CN 205422536U
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- CN
- China
- Prior art keywords
- stop
- impeller
- urceolus
- sleeve pipe
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a guiding device goes into under auto -excitation type sleeve pipe, include: the urceolus, the coupling, the impeller subassembly, set up in in the cavity of urceolus, include: impeller shaft and impeller, the impeller suit is fixed in on the impeller shaft, the stopper, including first stopper and second stopper, two stopper structures are the same, set up a plurality of water conservancy diversion holes on the stopper, guide seat, its rear end and urceolus front end fixed connection, its front end sets up central via hole, a plurality of side openings of equipartition all around of center via hole, the drill bit is fixed in the front end of impeller shaft, one of which portion is followed the guide seat passes through the center via hole is worn out.
Description
Technical field
This utility model relates to a kind of down-hole casing eddy flow guide, particularly relates to enter guide under a kind of auto-excitation type sleeve pipe.
Background technology
During petroleum works casing job, sleeve pipe low side or installation float shoe, it is mainly used in casing string is play the guiding role, reduces down-hole resistance, impact landwaste.But cave-in sometimes or undergauge, because float shoe solids-carrying capacity is not enough, will make setting of casing be hampered, cause sleeve pipe cannot enter under continuing.
Summary of the invention
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide under a kind of auto-excitation type sleeve pipe and enters guide, is used for solving the problems referred to above of the prior art.
For achieving the above object and other relevant purposes, this utility model provides and enters guide under a kind of auto-excitation type sleeve pipe, including:
Urceolus, for cylindrical empty cavity configuration；
Box cupling, fixes with outer tube rear end and is connected；
Impeller assembly, is arranged in the cavity of described urceolus, including: impeller axle and impeller, described impeller suit is fixed on described impeller axle；
Stop, including the first stop and the second stop, two stop structures are identical；Some pod apertures are set on described stop；
Described first stop, is arranged in the cavity of described urceolus, is connected by lock silk and described urceolus are fixing；Described first stop is set on described impeller axle, the rear side of described impeller；It is matched in clearance between described first stop and described impeller axle；
Described second stop, is arranged in the cavity of described urceolus, is connected by lock silk and described urceolus are fixing；Described second stop is set on described impeller axle, the front side of described impeller, is matched in clearance between described second stop and described impeller axle；
Guide seat, its rear end is fixing with outer cylinder front end to be connected, and its front end arranges center via, the uniform some side openings of surrounding of described center via；
Drill bit, is fixed on the front end of described impeller axle, and one portion is passed by described center via from described guide seat.
Preferably, between described urceolus and described box cupling, it is between described guide seat with described urceolus and threadeds.
Preferably, the angle between the end face of the most described stop of described pod apertures is 45 ° to 65 °.
Preferably, between described impeller and described first stop, between described impeller and described second stop, it is respectively provided with pad.Can effectively reduce the frictional force between impeller and stop.
Preferably, described impeller is unequal distant screw shape, and its lead angle is gradually reduced from front to back, its foremost lead angle be 60 ° to 68 °, rearmost end rear end helical angle is 30 ° to 38 °.
Preferably, described impeller and described impeller axle are integral type structure.
Enter guide under auto-excitation type sleeve pipe of the present utility model, can be rotated by impeller and produce cyclonic effect, promote the drilling fluid impact capacity to the borehole wall, thus improve the ability of Transport of Drilling Cutting In A；It addition, also can cut, drill through by landwaste bigger to shaft bottom, it is allowed to easily be carried, it is to avoid make setting of casing be hampered because cave-in or undergauge cause；This device uses hydro powered in down-hole, it is achieved self-excited driving, contrast float shoe or casing shoe, it is possible to more efficient carries out well-flushing, sand washing and casing job.Another in well cementing operation, cement mortar flows through when entering guide under auto-excitation type sleeve pipe, is sheared stirring, and the mud quality that is more evenly distributed is higher, and well cementation efficiency is greatly improved.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 is stop front view；
Fig. 3 is A-A sectional view；
Fig. 4 is the front view of drain seat；
Fig. 5 is B-B sectional view；
In figure: 1 box cupling, 2 urceolus, 3 first stops, 4 impellers, 5 pads, 6 lock silk, 7 guide seat, 8 drill bits, 9 second stops, 10 impeller axles, 11 pod apertures, 12 center vias, 13 side openings.
Detailed description of the invention
By particular specific embodiment, embodiment of the present utility model being described below, those skilled in the art can be understood other advantages of the present utility model and effect easily by the content disclosed by this specification.
Refer to Fig. 1 to Fig. 5.For sake of convenience, in Fig. 1, left end is set to rear end, right-hand member is set to front end；Notice, structure depicted in this specification accompanying drawing, ratio, size etc., the most only in order to coordinate the content disclosed in description, understand for those skilled in the art and read, it is not limited to the enforceable qualifications of this utility model, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, under not affecting effect that this utility model can be generated by and the purpose that can reach, all should still fall in the range of the technology contents disclosed in this utility model can be contained.Simultaneously, in this specification cited as " on ", D score, "front", "rear", "left", "right", the term of " middle " and " " etc., it is merely convenient to understanding of narration, and it is not used to limit the enforceable scope of this utility model, being altered or modified of its relativeness, changing under technology contents without essence, when being also considered as the enforceable category of this utility model.
Referring to Fig. 1 to Fig. 5, this utility model provides and enters guide under a kind of auto-excitation type sleeve pipe, including:
Urceolus 2, for cylindrical empty cavity configuration；
Box cupling 1, is threadably secured with urceolus 2 rear end and is connected；
Impeller assembly, is arranged in the cavity of urceolus 2, including: impeller axle 10 and impeller 4, impeller 4 suit is fixed on impeller axle 10；Impeller 4 is unequal distant screw shape, and its lead angle is gradually reduced from front to back, its foremost lead angle be 60 ° to 68 °, rearmost end rear end helical angle is 30 ° to 38 °.Impeller 4 and impeller axle 10 are integral type structure.
Stop, including the first stop 3 and the second stop, 9 liang of stop structures are identical, and stop arranges some pod apertures 11；Angle between the end face of pod apertures relative limit device is 45 °.It is 55 ° and 65 ° in a further embodiment.
First stop 3, is arranged in the cavity of urceolus 2, is connected by lock silk 6 is fixing with urceolus 2；First stop 3 is set on impeller axle 10, the rear side of impeller 4；It is matched in clearance between first stop 3 and impeller axle 10；
Second stop 9, is arranged in the cavity of urceolus 2, is connected by lock silk 6 is fixing with urceolus 2；Second stop 9 is set on impeller axle 10, the front side of impeller 4, is matched in clearance between the second stop 9 and impeller axle 10；
Guide seat 7, its rear end is threadably secured with the front end of urceolus 2 and is connected, and its front end arranges center via 12, the uniform some side openings of surrounding of center via 12；
Drill bit 8, is fixed on the front end of impeller axle 10, and one portion is passed by center via 12 from guide seat 7.Drill bit 8 uses alloy bit.
Between impeller 4 and the first stop 3, between impeller 4 and the second stop 9, it is respectively provided with pad.Can effectively reduce the frictional force between impeller 4 and stop.
Above-described embodiment only illustrative principle of the present utility model and effect thereof, not for limiting this utility model.Above-described embodiment all can be modified under spirit and the scope of the present utility model or change by any person skilled in the art.Therefore, art has all equivalence modification or changes that usually intellectual is completed under without departing from the spirit disclosed in this utility model and technological thought such as, must be contained by claim of the present utility model.
Claims (6)
1. enter guide under an auto-excitation type sleeve pipe, it is characterised in that including:
Urceolus, for cylindrical empty cavity configuration；
Box cupling, fixes with outer tube rear end and is connected；
Impeller assembly, is arranged in the cavity of described urceolus, including: impeller axle and impeller, described impeller suit is fixed on described impeller axle；
Stop, including the first stop and the second stop, two stop structures are identical；Some pod apertures are set on described stop；
Described first stop, is arranged in the cavity of described urceolus, is connected by lock silk and described urceolus are fixing；Described first stop is set on described impeller axle, the rear side of described impeller；It is matched in clearance between described first stop and described impeller axle；
Described second stop, is arranged in the cavity of described urceolus, is connected by lock silk and described urceolus are fixing；Described second stop is set on described impeller axle, the front side of described impeller, is matched in clearance between described second stop and described impeller axle；
Guide seat, its rear end is fixing with outer cylinder front end to be connected, and its front end arranges center via, the uniform some side openings of surrounding of described center via；
Drill bit, is fixed on the front end of described impeller axle, and one portion is passed by described center via from described guide seat.
Guide is entered under auto-excitation type sleeve pipe the most according to claim 1, it is characterised in that: between described urceolus and described box cupling, it is between described guide seat with described urceolus and threadeds.
Guide is entered under auto-excitation type sleeve pipe the most according to claim 1, it is characterised in that: the angle between the end face of the most described stop of described pod apertures is 45 ° to 65 °.
Guide is entered under auto-excitation type sleeve pipe the most according to claim 1, it is characterised in that: between described impeller and described first stop, between described impeller and described second stop, it is respectively provided with pad.
Guide is entered under auto-excitation type sleeve pipe the most according to claim 1, it is characterized in that: described impeller is unequal distant screw shape, its lead angle is gradually reduced from front to back, its foremost lead angle be 60 ° to 68 °, rearmost end rear end helical angle is 30 ° to 38 °.
Guide is entered under auto-excitation type sleeve pipe the most according to claim 1, it is characterised in that: described impeller and described impeller axle are integral type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620204660.6U CN205422536U (en) | 2016-03-17 | 2016-03-17 | Guiding device goes into under auto -excitation type sleeve pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620204660.6U CN205422536U (en) | 2016-03-17 | 2016-03-17 | Guiding device goes into under auto -excitation type sleeve pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205422536U true CN205422536U (en) | 2016-08-03 |
Family
ID=56546354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620204660.6U Expired - Fee Related CN205422536U (en) | 2016-03-17 | 2016-03-17 | Guiding device goes into under auto -excitation type sleeve pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205422536U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761472A (en) * | 2016-12-29 | 2017-05-31 | 德州汉隆石油设备有限公司 | Self- steering covers tube vibration guide shoe |
-
2016
- 2016-03-17 CN CN201620204660.6U patent/CN205422536U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106761472A (en) * | 2016-12-29 | 2017-05-31 | 德州汉隆石油设备有限公司 | Self- steering covers tube vibration guide shoe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20210317 |