CN205714024U - A kind of centering type waterpower driven rotary guide shoe - Google Patents
A kind of centering type waterpower driven rotary guide shoe Download PDFInfo
- Publication number
- CN205714024U CN205714024U CN201620400761.0U CN201620400761U CN205714024U CN 205714024 U CN205714024 U CN 205714024U CN 201620400761 U CN201620400761 U CN 201620400761U CN 205714024 U CN205714024 U CN 205714024U
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- CN
- China
- Prior art keywords
- guide shoe
- pedestal
- paths
- driven rotary
- centering type
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- 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.)
- Withdrawn - After Issue
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Abstract
This utility model provides a kind of centering type waterpower driven rotary guide shoe, including body, turbine pedestal and guide shoe cap, described turbine pedestal is provided with the second paths, described second paths one end is communicated with the first via passage set in the body, the described second paths other end is communicated with the room of confluxing being located in guide shoe cap, described first via passage, the second paths and room of confluxing are coaxial, the top of described guide shoe cap is circumferentially uniformly provided with some downward-sloping outlet passages centered by axis, described in conflux room and outlet channel connection.Rotary guide shoe described in the utility model ensure that and will not block circulation port during entering under bunch tube, and when running into the complex situations such as down-hole sand bridge, sand bridge can be cleared up, ensure to put in place under pipe string is smoothly, in well cementing process, revolving force can also be produced, make well fluids downhole to return in turbulent condition, improve cementing quality.
Description
Technical field
This utility model belongs to the solid completion practice technical field of oil and gas industry, especially relates to one
Centering type waterpower driven rotary guide shoe.
Background technology
Along with the needs of oil field development, high angle hole, horizontal well have become as oilfield prospecting developing
Important trend.Horizontal well development during setting of casing, sleeve pipe scraping rock of borehole and silt particle, hold
Be easily formed cannula occlusion and under enter phenomenons such as being obstructed, cause constructing unsuccessfully.The sleeve pipe of existing structure
Guide shoe and float shoe can only have the effect of guiding tube string, in stable geological environment, and conventional guide shoe
Can normally use, but if in complicated tomography environment, pipe string meets with the platform of shaft bottom tomography
Rank, are difficult to down, and when sand bridge occurs in pit shaft, are difficult to clean up, have often resulted in casing operation,
Cause the massive losses of manpower and materials, during well cementation, it is difficult to form turbulent flow, impact well cementation effect in shaft bottom
Really, in order to overcome technology drawback of the prior art, it is necessary to existing guide shoe structure is changed
Enter.
Summary of the invention
In view of this, this utility model is directed to a kind of centering type waterpower driven rotary guide shoe, to ensure at set
Circulation port will not be blocked during entering under pipe string, and when running into the complex situations such as down-hole sand bridge, permissible
Cleaning sand bridge, it is ensured that put in place, in well cementing process under pipe string is smooth, it is also possible to produce revolving force, make
Well fluids downhole, to return in turbulent condition, improves cementing quality.
For reaching above-mentioned purpose, the technical solution of the utility model is achieved in that
A kind of centering type waterpower driven rotary guide shoe, including body, turbine pedestal and guide shoe cap, described turbine base
Being provided with the second paths in Zuo, described second paths one end is communicated with the first via passage set in the body,
The described second paths other end is communicated with the room of confluxing being located in guide shoe cap, described first via passage,
Two paths and the room of confluxing are coaxial, if the top of described guide shoe cap is circumferentially uniformly provided with centered by axis
Dry downward-sloping outlet passage, described in conflux room and outlet channel connection.
Further, described turbine pedestal includes the first pedestal and the second pedestal；
Circumferentially it is provided with groove in the middle part of the outer wall of described first pedestal, described first pedestal excircle is cased with
Body, the inner body wall corresponding with groove location is provided with body boss, and described body boss embeds recessed
In groove, in groove, it is respectively provided on two sides with bearing；
The end of described first pedestal is fixedly connected with silt interrupter, is connected with in described first pedestal
Turbo blade, the rotation direction of turbo blade is consistent with the rotation direction of outlet passage；
Guide shoe cap, the tail end excircle of described guide shoe cap it is fixedly connected with on the excircle of described second pedestal
Being provided with second step face, fit with body end in described second step face, the tail end end of described guide shoe cap
The First terrace laminating of face and the first pedestal and the second pedestal junction.
Further, described second pedestal is to threaded with described guide shoe cap, and fastens with bolt, spiral shell
The rotation direction that stricture of vagina connects is oppositely oriented with turbo blade.
Further, one end inwall of the body not being connected with the first pedestal is provided with screw thread.
Further, described first pedestal is one-body molded with turbo blade.
Further, described guide shoe crown portion is dead core.
Further, described outlet passage is 3-6.
Relative to prior art, a kind of centering type waterpower driven rotary guide shoe described in the utility model has following
Advantage:
Centering type waterpower driven rotary guide shoe top of the present invention is designed for eccentric structure, and can freely turn
Dynamic, under pipe string, the fashionable step surface that ramps eccentric can be utilized to circumvent tomography easily carries out casing job,
When meeting with sand bridge, form jeting effect by circulating mud, utilize the kinetic energy impact sand bridge of fluid, core shift
Guide shoe cap is also beneficial to the de-plugging of sand bridge to the stirring effect of shaft bottom silt particle, also can make well fluids downhole during well cementation
To return in turbulent condition, improve cementing quality.
Accompanying drawing explanation
The accompanying drawing constituting a part of the present utility model is further appreciated by of the present utility model for providing,
Schematic description and description of the present utility model is used for explaining this utility model, is not intended that this reality
With novel improper restriction.In the accompanying drawings:
Fig. 1 is the overall structure schematic diagram schematic diagram described in this utility model embodiment；
Fig. 2 is the outlet channel layout schematic diagram of the guide shoe cap described in this utility model embodiment；
Fig. 3 is the turbine blade arrangement schematic diagram described in this utility model embodiment.
Description of reference numerals:
1-body；11-body boss；12-first via passage；2-silt interrupter；3-turbine pedestal；
31-the first pedestal；32-the second pedestal；33-First terrace；34-groove；35-the second paths；
4-bearing；5-turbo blade；6-guide shoe cap；61-second step face；62-confluxes room；63-outlet
Passage.
Detailed description of the invention
It should be noted that in the case of not conflicting, in embodiment in this utility model and embodiment
Feature can be mutually combined.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " horizontal stroke
To ", " on ", D score, "front", "rear", "left", "right", " vertically ", " water
Flat ", the orientation that indicates of " top ", " end ", " interior ", " outward " etc. or position relationship be based on attached
Orientation shown in figure or position relationship, be for only for ease of description this utility model and simplify description, and not
Be instruction or the hint device of indication or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second "
Etc. being only used for describing purpose, and it is not intended that instruction or hint relative importance or implicit indicate indication
The quantity of the technical characteristic shown.Thus, the feature defining " first ", " second " etc. can be expressed
Or implicitly include one or more this feature.In description of the present utility model, unless otherwise
Illustrating, " multiple " are meant that two or more.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited,
Term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing,
Can also be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；
Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the company of two element internals
Logical.For the ordinary skill in the art, can understand that above-mentioned term is at this by concrete condition
Concrete meaning in utility model.
Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
As Figure 1-3, a kind of centering type waterpower driven rotary guide shoe, it is characterised in that: include body 1,
Turbine pedestal 3 and guide shoe cap 6, be provided with the second paths 35, described second tunnel in described turbine pedestal 3
Passage 35 one end is communicated with the first via passage 12 being located in body 1, described second paths 35 another
End is communicated with the room 62 of confluxing being located in guide shoe cap 6, described first via passage the 12, second paths 35
Room 62 is coaxial with confluxing, and the top of described guide shoe cap 6 is circumferentially uniformly provided with three centered by axis
Downward-sloping outlet passage 63, described in room 62 of confluxing connect with outlet passage 63.
Described turbine pedestal 3 includes the first pedestal 31 and the second pedestal 32；
Groove 34, described first pedestal 31 cylindrical circumferentially it is provided with in the middle part of the outer wall of described first pedestal 31
Being cased with body 1 on week, body 1 inwall corresponding with groove 34 position is provided with body boss 11,
Described body boss 11 embeds in groove 34, is respectively provided on two sides with bearing 4 in groove 34；
The end of described first pedestal 31 is fixedly connected with silt interrupter 2, described first pedestal 31
Inside being connected with turbo blade 5, the rotation direction of turbo blade 5 is consistent with the rotation direction of outlet passage 63；
Threaded on the excircle of described second pedestal 32 have guide shoe cap 6, and fastens with bolt, screw thread
Rotation direction and the turbo blade 5 connected oppositely oriented, the tail end excircle of described guide shoe cap 6 is provided with the
Two step surfaces 61, described second step face 61 and the laminating of body 1 end, the tail end of described guide shoe cap 6
The First terrace 33 of end face and the first pedestal 31 and the second pedestal 32 junction is fitted.
The work process of the present embodiment: centering type waterpower driven rotary guide shoe body 1 upper end is designed with and sleeve pipe phase
The screw thread of coupling, for connecing with pipe series winding, during setting of casing, body 1 and the company of turbine pedestal 3
The place of connecing is provided with bearing 4, and when making guide shoe rotate, resistance is minimized, and silt particle interrupter 2 is possible to prevent mud
In slurry, impurity enters bearing 4, prevents bearing 4 stuck, and guide shoe cap 6 top is dead core, the mud in pit shaft
Sand cannot be introduced into, meet with sand bridge time, in sleeve pipe well slurry by turbo blade 5 produce impulsive force
Then it is further enhanced by outlet passage 63, guide shoe cap 6 can be made to produce high speed rotating, shape
Becoming jeting effect, shaft bottom sand bridge can be produced impact, sand bridge is produced by the eccentric guide shoe cap 6 simultaneously rotated
Agitation, drives landwaste quickly to return out well head, clears up sand bridge, during well cementation, after well fluids downhole is by this guide shoe,
To return in turbulent condition, cementing quality can be improved.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model,
All within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made,
Within should be included in protection domain of the present utility model.
Claims (7)
1. a centering type waterpower driven rotary guide shoe, it is characterised in that: include body (1), turbine pedestal
And guide shoe cap (6) (3), described turbine pedestal (3) is provided with the second paths (35), described
Second paths (35) one end is communicated with the first via passage (12) being located in body (1), described
Second paths (35) other end is communicated with the room of confluxing (62) being located in guide shoe cap (6), described
First via passage (12), the second paths (35) and room of confluxing (62) are coaxial, described guide shoe cap (6)
Top centered by axis, be circumferentially uniformly provided with some downward-sloping outlet passages (63), institute
State room of confluxing (62) to connect with outlet passage (63).
A kind of centering type waterpower driven rotary guide shoe the most according to claim 1, it is characterised in that: institute
State turbine pedestal (3) and include the first pedestal (31) and the second pedestal (32)；
Groove (34), described first pedestal circumferentially it is provided with in the middle part of the outer wall of described first pedestal (31)
(31) body (1) it is cased with on excircle, body (1) inwall corresponding with groove (34) position
Being provided with body boss (11), described body boss (11) embeds in groove (34), groove (34)
Inside it is respectively provided on two sides with bearing (4)；
The end of described first pedestal (31) is fixedly connected with silt interrupter (2), and described first
Turbo blade (5), the rotation direction of turbo blade (5) and outlet passage (63) it is connected with in pedestal (31)
Rotation direction consistent；
Guide shoe cap (6), described guide shoe cap it is fixedly connected with on the excircle of described second pedestal (32)
(6) tail end excircle is provided with second step face (61), described second step face (61) and basis
Fit in body (1) end, the tail end end face of described guide shoe cap (6) and the first pedestal (31) and the second base
First terrace (33) laminating of seat (32) junction.
A kind of centering type waterpower driven rotary guide shoe the most according to claim 2, it is characterised in that: institute
Stating the second pedestal (32) with described guide shoe cap (6) is to threaded, and fastens with bolt, and screw thread is even
The rotation direction connect is oppositely oriented with turbo blade (5).
A kind of centering type waterpower driven rotary guide shoe the most according to claim 2, it is characterised in that: no
One end inwall of the body (1) being connected with the first pedestal (31) is provided with screw thread.
A kind of centering type waterpower driven rotary guide shoe the most according to claim 2, it is characterised in that: institute
State the first pedestal (31) one-body molded with turbo blade (5).
A kind of centering type waterpower driven rotary guide shoe the most according to claim 2, it is characterised in that: institute
Stating guide shoe cap (6) top is dead core.
A kind of centering type waterpower driven rotary guide shoe the most according to claim 1, it is characterised in that: institute
Stating outlet passage (63) is 3-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620400761.0U CN205714024U (en) | 2016-05-05 | 2016-05-05 | A kind of centering type waterpower driven rotary guide shoe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620400761.0U CN205714024U (en) | 2016-05-05 | 2016-05-05 | A kind of centering type waterpower driven rotary guide shoe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205714024U true CN205714024U (en) | 2016-11-23 |
Family
ID=57303344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620400761.0U Withdrawn - After Issue CN205714024U (en) | 2016-05-05 | 2016-05-05 | A kind of centering type waterpower driven rotary guide shoe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205714024U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840116A (en) * | 2016-05-05 | 2016-08-10 | 中国石油集团渤海钻探工程有限公司 | Eccentric-type hydraulic rotating guide shoe |
| RU2746181C1 (en) * | 2020-08-11 | 2021-04-08 | Общество с ограниченной ответственностью "ГЕОПРОТЕК" | Column shoe with hydraulic drive |
| RU2781653C1 (en) * | 2022-04-28 | 2022-10-17 | Закрытое акционерное общество "НГТ" | Turbine drive of the shoe-bit for drilling a complicated section of the well |
-
2016
- 2016-05-05 CN CN201620400761.0U patent/CN205714024U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105840116A (en) * | 2016-05-05 | 2016-08-10 | 中国石油集团渤海钻探工程有限公司 | Eccentric-type hydraulic rotating guide shoe |
| CN105840116B (en) * | 2016-05-05 | 2018-02-02 | 中国石油集团渤海钻探工程有限公司 | A kind of centering type waterpower driven rotary guide shoe |
| RU2746181C1 (en) * | 2020-08-11 | 2021-04-08 | Общество с ограниченной ответственностью "ГЕОПРОТЕК" | Column shoe with hydraulic drive |
| RU2781653C1 (en) * | 2022-04-28 | 2022-10-17 | Закрытое акционерное общество "НГТ" | Turbine drive of the shoe-bit for drilling a complicated section of the well |
| RU2808164C1 (en) * | 2023-06-17 | 2023-11-24 | ОБЩЕСТВО С ОГРАНИЧЕННОЙ ОТВЕТСТВЕННОСТЬЮ "МАКСИМА Дриллинг" (ООО "МАКСИМА Дриллинг") | Hydraulic working base plate (options) |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161123 Effective date of abandoning: 20180202 |
|
| AV01 | Patent right actively abandoned |