CN203285355U - High flow sucker rod centralizer - Google Patents
High flow sucker rod centralizer Download PDFInfo
- Publication number
- CN203285355U CN203285355U CN2013202139471U CN201320213947U CN203285355U CN 203285355 U CN203285355 U CN 203285355U CN 2013202139471 U CN2013202139471 U CN 2013202139471U CN 201320213947 U CN201320213947 U CN 201320213947U CN 203285355 U CN203285355 U CN 203285355U
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- China
- Prior art keywords
- hole
- large flow
- oil pumping
- pumping rod
- flow oil
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Abstract
The utility model discloses a high flow sucker rod centralizer which comprises a body and a centering body. The body is fixedly connected with the centering body. The body is provided with a through hole with the two ends communicated. The body is provided with overflowing holes which are communicated with the through hole. The body is a step shaft and comprises steps arranged at the two ends of the body and a diameter part arranged between the steps, the diameter part is provided with the centering body, and the centering body and the diameter part are connected to be a whole in a casting mode. Internal threads are both arranged both at the two ends of the body. The centering body is provided with a groove, and the groove is of a straight strip shape, or of a spiral shape or of an arc shape. The centering body is a nylon material centering body or a carbon fiber material centering body. The high flow sucker rod centralizer is high in strength and reasonable in structure, the centering body makes contact with an oil tube, abrasion of a sucker rod is prevented, so that the service life of the sucker rod is long, and due to the fact that the body is provided with the through hole and the overflowing holes in a machining mode, the overflowing area is large.
Description
Technical field
The utility model relates to field of petroleum exploitation, is specifically related to a kind of large flow oil pumping rod centering device.
Background technology
In the onshore oil field recovery process, be substantially all that the bar oil production equipment is arranged.For straight well and inclined shaft, R a T all can come in contact in motion process, produces wearing and tearing.Particularly deep-well and inclined shaft, sucker rod easily produce crooked in oil pipe.Conventional rod collar can not guarantee the contact of sucker rod discord tubing wall, causes between oil pipe and sucker rod and can produce eccentric wear, and the long-time wearing and tearing in this part are easily worn out, and sucker rod is rubbed.Increase the polished rod consumption, increased inspection pump number of times, reduced produce oil efficiency.
The utility model content
Provide hereinafter about brief overview of the present utility model, in order to basic comprehension about some aspect of the present utility model is provided.Should be appreciated that this general introduction is not about exhaustive general introduction of the present utility model.It is not that intention is determined key of the present utility model or pith, neither be intended to limit scope of the present utility model.Its purpose is only that the form of simplifying provides some concept, uses this as the preorder in greater detail of discussing after a while.
In order to solve the problem of prior art, the utility model provides a kind of area of passage large, makes the large flow oil pumping rod centering device of sucker rod long service life.
To achieve these goals, the technical scheme taked of the utility model is:
A kind of large flow oil pumping rod centering device, comprise body and centralizer body, is fixedly connected with described centralizer body on described body, and described body is provided with the through hole that two ends are communicated with, and described body is provided with the flowing hole that is communicated with described through hole.
Compared with prior art, the beneficial effects of the utility model are:
Intensity of the present utility model is high, and is rational in infrastructure, and centralizer body contact oil pipe, prevent the wearing and tearing of sucker rod, thereby make the sucker rod long service life, processing through hole and flowing hole on body, and area of passage is large.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the large flow oil pumping rod centering device that Fig. 1 provides for the utility model embodiment.
Reference numeral:
The 1-body, the middle part of 11-Step Shaft;
The 2-centralizer body;
The 3-flowing hole;
The 4-through hole.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.The element of describing in an accompanying drawing of the present utility model or a kind of embodiment and feature can combine with element and feature shown in one or more other accompanying drawing or embodiment.Should be noted that for purposes of clarity, omitted, expression and description known to persons of ordinary skill in the art parts and processing irrelevant with the utility model in accompanying drawing and explanation.Based on the embodiment in the utility model, those of ordinary skills are not paying under the creative work prerequisite the every other embodiment that obtains, and all belong to the scope of the utility model protection.
Referring to Fig. 1, a kind of large flow oil pumping rod centering device, comprise body 1 and centralizer body 2, is fixedly connected with centralizer body 2 on body 1, and body 1 is provided with the through hole 4 that two ends are communicated with, and body 1 is provided with the flowing hole 3 that is communicated with through hole 4.
The utility model centralizer body contacts with tubing wall, avoids sucker rod or rod collar directly to contact with tubing wall eccentric wear occurs, and has intensity high, and is simple in structure, makes the advantage of sucker rod long service life.On body, the flowing hole of processing some, increase area of passage.
The present embodiment is on the basis of above-described embodiment, and body 1 is a Step Shaft, and the middle part 11 of Step Shaft is provided with centralizer body 2.
In the middle of body of the present utility model, thin two ends are thick, and namely the body mid portion diameter of axle is less than the diameter of axle at two ends, and centre arranges centralizer body, and the design and installation of body is convenient, are convenient to connect.
The present embodiment is on the basis of above-described embodiment, and centralizer body 2 is connected as a single entity by casting with the middle part 11 of Step Shaft.
Centralizer body can cast in the middle part of body, with body, becomes as a whole.Be connected firmly.
The present embodiment is on the basis of above-described embodiment, and through hole 4 two ends are equipped with internal thread.
Through hole is set on body, and two ends all are processed with box, no longer need the connecting with pumping rod box cupling during lower sucker rod on connecting, the convenient installation, and time and labour saving, economize box cupling, uses less a box cupling just to reduce by a trip point.The present embodiment is on the basis of above-described embodiment, and centralizer body 2 is provided with groove.Groove 2 is along the length direction setting of through hole 4.Groove is vertical bar shape, helical form or arc shaped.
The existing scraping function of groove is set, can facilitates again liquid stream to pass through from groove, fully guarantee enough large area of passage.
The present embodiment is on the basis of above-described embodiment, and centralizer body 2 comprises the cylinder of hollow, and the cylinder two ends of described hollow are connected with the round platform of hollow.Centralizer body 2 is nylon material centralizer body or carbon fibre material centralizer body.
Centralizer body adopts said structure, with body, is connected firmly, and adopts nylon or carbon fibre material processes, and nylon or carbon fiber are high-abrasive material, make the concrete wear-resisting advantage of centralizer body.
The present embodiment is on the basis of above-described embodiment, and the angle of the axis of the axis of flowing hole 3 and through hole 4 is 30-60 °, preferred 45 °.Being convenient to liquid passes through.
Characteristics of the present utility model are: the body two ends are internal thread, and convenient the installation, save time, and saves box cupling, reduces and take off stomion; Flowing hole on body, guaranteed that area of passage is enough large; Centralizer body is processed with groove, guarantees that liquid stream has enough large area of passage in the centralizer body end; Existing scraping function, can make again liquid stream pass through, and has anti-eccentric wear, the advantage that area of passage is large.The parameter request that meets the SYT5832-2009 standard.
In the utility model the various embodiments described above, the sequence number of embodiment only is convenient to describe, and does not represent the quality of embodiment.Description to each embodiment all emphasizes particularly on different fields, and there is no the part that describes in detail in certain embodiment, can be referring to the associated description of other embodiment.
In the embodiment such as apparatus and method of the present utility model, obviously, after can decomposing, make up and/or decompose, each parts or each step reconfigure.These decomposition and/or reconfigure and should be considered as equivalents of the present utility model.Simultaneously, in the above in the description to the utility model specific embodiment, can use in one or more other embodiment in same or similar mode for the feature that a kind of embodiment is described and/or illustrated, combined with the feature in other embodiment, or the feature in alternative other embodiment.
Should emphasize, term " comprises/comprises " existence that refers to feature, key element, step or assembly when this paper uses, but does not get rid of the existence of one or more further feature, key element, step or assembly or add.
It should be noted that finally: although above the utility model and the advantage thereof of having described in detail is to be understood that in the situation that do not exceed the spirit and scope of the present utility model that limited by appended claim and can carries out various changes, alternative and conversion.And scope of the present utility model is not limited only to the specific embodiment of the described process of manual, equipment, means, method and step.The one of ordinary skilled in the art will readily appreciate that from disclosure of the present utility model, according to the utility model, can use and carries out with the essentially identical function of corresponding embodiment described herein or obtain process, equipment, means, method or step result essentially identical with it, that existing and will be developed future.Therefore, appended claim is intended to comprise such process, equipment, means, method or step in their scope.
Claims (10)
1. a large flow oil pumping rod centering device, is characterized in that, comprises body and centralizer body, is fixedly connected with described centralizer body on described body, and described body is provided with the through hole that two ends are communicated with, and described body is provided with the flowing hole that is communicated with described through hole.
2. large flow oil pumping rod centering device according to claim 1, is characterized in that, described body is a Step Shaft, and the middle part of described Step Shaft arranges described centralizer body.
3. large flow oil pumping rod centering device according to claim 2, is characterized in that, the middle part of described centralizer body and described Step Shaft is connected as a single entity by casting.
4. according to claim 1-3 described large flow oil pumping rod centering devices of any one, is characterized in that, described through hole two ends are equipped with internal thread.
5. large flow oil pumping rod centering device according to claim 4, is characterized in that, described centralizer body is provided with groove.
6. large flow oil pumping rod centering device according to claim 5, is characterized in that, described groove is along the length direction setting of described through hole.
7. large flow oil pumping rod centering device according to claim 6, is characterized in that, described groove is vertical bar shape, helical form or arc shaped.
8. according to claim 1-3 described large flow oil pumping rod centering devices of any one, is characterized in that, described centralizer body comprises the cylinder of hollow, and the cylinder two ends of described hollow are connected with the round platform of hollow.
9. according to claim 1-3 described large flow oil pumping rod centering devices of any one, is characterized in that, described centralizer body is nylon material centralizer body or carbon fibre material centralizer body.
10. according to claim 1-3 described large flow oil pumping rod centering devices of any one, is characterized in that, the angle of the axis of described flowing hole and the axis of described through hole is 30-60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202139471U CN203285355U (en) | 2013-04-24 | 2013-04-24 | High flow sucker rod centralizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202139471U CN203285355U (en) | 2013-04-24 | 2013-04-24 | High flow sucker rod centralizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203285355U true CN203285355U (en) | 2013-11-13 |
Family
ID=49541725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202139471U Expired - Fee Related CN203285355U (en) | 2013-04-24 | 2013-04-24 | High flow sucker rod centralizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203285355U (en) |
-
2013
- 2013-04-24 CN CN2013202139471U patent/CN203285355U/en not_active Expired - Fee Related
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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: 20131113 Termination date: 20180424 |