CN204152454U - A kind of centralizer - Google Patents
A kind of centralizer Download PDFInfo
- Publication number
- CN204152454U CN204152454U CN201420591465.4U CN201420591465U CN204152454U CN 204152454 U CN204152454 U CN 204152454U CN 201420591465 U CN201420591465 U CN 201420591465U CN 204152454 U CN204152454 U CN 204152454U
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- CN
- China
- Prior art keywords
- centralizer
- ball
- toggle
- spring
- main body
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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.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of centralizer, centralizer main body is provided with centralizer body and helicla flute, centralizer body is provided with spring groove, in spring groove, spring is installed, toggle is provided with opening in corresponding spring groove position, toggle is arranged on centralizer body by set bolt, protrusion ball is arranged on centralizer body by opening by toggle, centralizer main body upper end is provided with connection plush copper, upper connection plush copper inside is provided with connecting hole, upper connecting hole is provided with keyway, centralizer main body lower end is provided with lower connection plush copper, lower connection plush copper inside is provided with lower connecting hole, lower connecting hole is provided with connection internal thread, reduced the frictional resistance in the centralizer course of work by protrusion ball, with extremely low friction factor, reduce reciprocating friction wearing and tearing and reduce system's work-load, by the multiple protrusion balls be provided with on centralizer body same level section, make the effect that spring effect reaches balanced, jointly rotated by protrusion ball and centralizer, realize the effect of perfectly well cementation.
Description
Technical field
What the utility model was specifically related to is a kind of cementing tool, specifically a kind of centralizer.
Background technology
At present, the elastic centralizer on market, by the tensile strength size of spring leaf, change the size of centralizer external diameter with the retractility of spring leaf, reach righting effect, in horizontal well, elastic centralizer elastic force is not enough to pipeline to hold up, and is difficult to the effect realizing righting.
Design a kind of centralizer for above shortcoming, be adapted to horizontal well application especially.
Utility model content
The purpose of this utility model is for solving above-mentioned deficiency, provides a kind of centralizer, thus realizes the object of well cementation effect preferably.
The purpose of this utility model is achieved through the following technical solutions:
Provide a kind of centralizer, centralizer main body is provided with centralizer body and helicla flute, centralizer body is provided with spring groove, in spring groove, spring is installed, protruding ball is arranged on spring, toggle is provided with opening in corresponding spring groove position, toggle is arranged on centralizer body by set bolt, protrusion ball is arranged on centralizer body by opening by toggle, centralizer main body upper end is provided with connection plush copper, upper connection plush copper inside is provided with connecting hole, upper connecting hole is provided with keyway, centralizer main body lower end is provided with lower connection plush copper, lower connection plush copper inside is provided with lower connecting hole, lower connecting hole is provided with connection internal thread.
Wherein, described centralizer main body is tubular structure, centralizer main body is provided with three centralizer bodies and helicla flute, centralizer body and the mutual cross-helicity of helicla flute are arranged in centralizer main body, spring in spring groove will protrude ball jack-up, protruding ball is arranged on centralizer body by toggle, and each centralizer body is provided with multiple protrusion ball.
Wherein, the size of the opening on described toggle is less than the diameter protruding ball, and opening is arc surfaced structure.
Wherein, described protrusion ball is arranged on centralizer body by spring supporting.
Wherein, described each centralizer body is provided with multiple protrusion ball, is provided with protrusion ball at three centralizer body same level sections.
Wherein, described centralizer body is provided with screw, and toggle is arranged on centralizer body with being threaded of screw by set bolt.
The utility model has effect useful as follows: reduced the frictional resistance in the centralizer course of work by protrusion ball, with extremely low friction factor, reduces reciprocating friction wearing and tearing and reduces system's work-load; By the multiple protrusion balls be provided with on centralizer body same level section, make the effect that spring effect reaches balanced; Jointly rotated by protrusion ball and centralizer, realize the effect of perfectly well cementation.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The overall structure schematic diagram that Fig. 1 provides for the utility model embodiment;
The overall structure schematic diagram that Fig. 2 provides for the utility model embodiment;
The cross-sectional view that Fig. 3 provides for the utility model embodiment;
The plan structure schematic diagram that Fig. 4 provides for the utility model embodiment;
Wherein, 1. centralizer main body, 1.1 toggles, 1.2. set bolt, 1.3. centralizer body, 2. keyway, 3. go up connecting hole, and 4. protrude ball, 4.1. spring, 4.2. spring groove, 5. helicla flute, connect plush copper 6., 7. connects internal thread, and 8. time connection plush copper, 9. descends connecting hole.
Detailed description of the invention
Below in conjunction with specific embodiment, such scheme is described further.Should to understand these embodiments be for illustration of the utility model instead of limit scope of the present utility model.The implementation condition adopted in embodiment can do further adjustment according to the condition of concrete producer, and not marked implementation condition is generally the condition in normal experiment.
Please refer to Fig. 1 to Fig. 4, the overall structure schematic diagram that Fig. 1 provides for the utility model embodiment; The overall structure schematic diagram that Fig. 2 provides for the utility model embodiment; The cross-sectional view that Fig. 3 provides for the utility model embodiment; The plan structure schematic diagram that Fig. 4 provides for the utility model embodiment.
In a kind of specific embodiment, provide a kind of centralizer, centralizer main body 1 is provided with centralizer body 1.3 and helicla flute 5, centralizer body 1.3 is provided with spring groove 4.2, spring 4.1 is installed in spring groove 4.2, protruding ball 4 is arranged on spring 4.1, toggle 1.1 is provided with opening in corresponding spring groove 4.2 position, toggle 1.1 is arranged on centralizer body 1.3 by set bolt 1.2, protrusion ball 4 is arranged on centralizer body 1.3 by opening by toggle 1.1, centralizer main body 1 upper end is provided with connection plush copper 6, upper connection plush copper 6 inside is provided with connecting hole 3, upper connecting hole 3 is provided with keyway 2, centralizer main body 1 lower end is provided with lower connection plush copper 8, lower connection plush copper 8 inside is provided with lower connecting hole 9, lower connecting hole 9 is provided with and connects internal thread 7.
Concrete, described centralizer main body 1 is tubular structure, centralizer main body 1 is provided with three centralizer bodies 1.3 and helicla flute 5, centralizer body 1.3 and helicla flute 5 mutually cross-helicity are arranged in centralizer main body 1, spring 4.1 in spring groove 4.2 will protrude ball 4 jack-up, protruding ball 4 is arranged on centralizer body 1.3 by toggle 1.1, each centralizer body 1.3 is provided with multiple protrusion ball 4, by the rotation of multiple protrusion ball 4, centralizer and sleeve pipe can be reduced, the frictional force of the borehole wall, by the rotation of multiple protrusion ball 4, the stability that centralizer creeps into drill bit can be kept, prevent from protruding individually ball 4 or spring 4.1 damages the use affecting centralizer, during use, centralizer is by protruding ball 4 and sleeve pipe, the contact of the borehole wall, by centralizer with the rotation of drilling rod and the rotation of protruding ball 4, protruding ball 4 can by centralizer and casing centering to correct position, drilling rod is crept into along correct track.
Further, the size of the opening on described toggle 1.1 is less than the diameter protruding ball 4, and opening is arc surfaced structure, by toggle 1.1, protrusion ball is arranged on after on centralizer body 1.3, protrude ball 4 to come off from the opening of toggle 1.1, protrude ball 4 to rotate on centralizer body 1.3, reduce the frictional force of centralizer and sleeve pipe.
Further, described protrusion ball 4 is supported by spring 4.1 and is arranged on centralizer body 1.3, by the elasticity of spring 4.1, can solve the excessive problem being difficult to go into the well of centralizer external diameter, can solve the problem of creeping into and working on when size reduces.
Further, described each centralizer body 1.3 is provided with multiple protrusion ball 4, be provided with at three centralizer body 1.3 same level sections and protrude ball 4, the stability of centralizer can be kept by the protrusion ball 4 that same level section is provided with, simultaneously, when having indivedual protrusion ball 4 or spring 4.1 to damage, the use of centralizer can not be affected.
Further, described centralizer body 1.3 is provided with screw, and toggle 1.1 is arranged on centralizer body 1.3 with being threaded of screw by set bolt 1.2, is convenient to dismounting, is convenient to change outstanding 4 or spring 4.1.
Finally it should be noted that the restriction of above embodiment only for illustration of the technical solution of the utility model but not to the utility model protection domain.Although be explained in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art should be appreciated that and can modify to the technical solution of the utility model or equivalent replacement, and does not depart from essence and the scope of technical solutions of the utility model.
Claims (3)
1. a centralizer, centralizer main body (1) is provided with centralizer body (1.3) and helicla flute (5), it is characterized in that: centralizer body (1.3) is provided with spring groove (4.2), spring (4.1) is installed in spring groove (4.2), protruding ball (4) is arranged on spring (4.1), toggle (1.1) is provided with opening in corresponding spring groove (4.2) position, toggle (1.1) is arranged on centralizer body (1.3) by set bolt (1.2), toggle (1.1) will protrude ball (4) by opening and be arranged on centralizer body (1.3), centralizer main body (1) upper end is provided with connection plush copper (6), upper connection plush copper (6) inside is provided with connecting hole (3), upper connecting hole (3) is provided with keyway (2), centralizer main body (1) lower end is provided with lower connection plush copper (8), lower connection plush copper (8) inside is provided with lower connecting hole (9), lower connecting hole (9) is provided with and connects internal thread (7).
2. a kind of centralizer as claimed in claim 1, it is characterized in that: described centralizer main body (1) is tubular structure, centralizer main body (1) is provided with three centralizer bodies (1.3) and helicla flute (5), centralizer body (1.3) and helicla flute (5) mutually cross-helicity are arranged in centralizer main body (1), spring (4.1) in spring groove (4.2) will protrude ball (4) jack-up, protruding ball (4) is arranged on centralizer body (1.3) by toggle (1.1), each centralizer body (1.3) is provided with multiple protrusion ball (4).
3. a kind of centralizer as claimed in claim 1, is characterized in that: the size of the opening on described toggle (1.1) is less than the diameter protruding ball (4), and opening is arc surfaced structure; Described protrusion ball (4) is supported by spring (4.1) and is arranged on centralizer body (1.3); Each centralizer body (1.3) is provided with multiple protrusion ball (4), is provided with protrudes ball (4) at three centralizer body (1.3) same level sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420591465.4U CN204152454U (en) | 2014-09-26 | 2014-09-26 | A kind of centralizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420591465.4U CN204152454U (en) | 2014-09-26 | 2014-09-26 | A kind of centralizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204152454U true CN204152454U (en) | 2015-02-11 |
Family
ID=52510579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420591465.4U Expired - Fee Related CN204152454U (en) | 2014-09-26 | 2014-09-26 | A kind of centralizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204152454U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106837200A (en) * | 2017-04-25 | 2017-06-13 | 西南石油大学 | A kind of spherical centralizer of spring A seating |
| CN107345475A (en) * | 2017-06-14 | 2017-11-14 | 西南石油大学 | Resilient balls centralizer |
| CN107965276A (en) * | 2016-10-20 | 2018-04-27 | 中国石油化工股份有限公司 | Stabilizer |
| CN110607999A (en) * | 2019-08-20 | 2019-12-24 | 陕西固德石油工程有限公司 | Ball centralizer for casing pipe |
-
2014
- 2014-09-26 CN CN201420591465.4U patent/CN204152454U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965276A (en) * | 2016-10-20 | 2018-04-27 | 中国石油化工股份有限公司 | Stabilizer |
| CN106837200A (en) * | 2017-04-25 | 2017-06-13 | 西南石油大学 | A kind of spherical centralizer of spring A seating |
| CN107345475A (en) * | 2017-06-14 | 2017-11-14 | 西南石油大学 | Resilient balls centralizer |
| CN110607999A (en) * | 2019-08-20 | 2019-12-24 | 陕西固德石油工程有限公司 | Ball centralizer for casing pipe |
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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 |
Granted publication date: 20150211 Termination date: 20150926 |
|
| EXPY | Termination of patent right or utility model |