CN208396667U - A kind of new casing centralizer locating snap ring - Google Patents
A kind of new casing centralizer locating snap ring Download PDFInfo
- Publication number
- CN208396667U CN208396667U CN201820784938.0U CN201820784938U CN208396667U CN 208396667 U CN208396667 U CN 208396667U CN 201820784938 U CN201820784938 U CN 201820784938U CN 208396667 U CN208396667 U CN 208396667U
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- circular boop
- snap ring
- locating snap
- fins
- new casing
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Abstract
The utility model provides a kind of new casing centralizer locating snap ring, including circular boop, and the circular boop is at cylindrical tube；The circular boop periphery is equipped with several threaded holes, is equipped with jackscrew in threaded hole；Circular boop excircle is equipped with two fins, and two fins are coaxial with circular boop；Circular boop both sides of the edge bend inwards to form bending part.New casing centralizer locating snap ring described in the utility model, two fins and two bending parts can play the role of spring-like, during tripping in casing, the borehole wall can act on fin and bending part squeeze pressure a part of locating snap ring, to absorb certain squeeze pressure, the squeeze pressure on the jackscrew directly acted on is reduced, guarantees that locating snap ring will not fail under big squeeze pressure.
Description
Technical field
The utility model belongs to cementing technology field, more particularly, to a kind of new casing centralizer locating snap ring.
Background technique
The effect of locating snap ring is fixed sleeving centralizer, prevents centralizer from moving up and down；Centralizer is mounted on casing,
Centralizer respectively installs a locating snap ring up and down is fixed on centralizer on casing by tightening jackscrew；Existing locating snap ring only leans on
Jackscrew is fixed, and during tripping in casing, locating snap ring will receive the squeeze pressure of the borehole wall, if this squeeze pressure is more than only
The chucking power of rotating ring, locating snap ring will slide to fail.
Summary of the invention
In view of this, the utility model is directed to a kind of new casing centralizer locating snap ring, to overcome the prior art
Defect, two fins and two bending parts can play the role of spring-like, and during tripping in casing, the borehole wall is to locating snap ring
Squeeze pressure a part can act on fin and bending part, to absorb certain squeeze pressure, reduce the jackscrew directly acted on
On squeeze pressure, guarantee locating snap ring will not fail under big squeeze pressure.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of new casing centralizer locating snap ring, including circular boop, the circular boop is at cylindrical tube；On the circular boop periphery
Equipped with several threaded holes, jackscrew is installed in threaded hole；Circular boop excircle is equipped with two fins, and two fins are same with circular boop
Axis；Circular boop both sides of the edge bend inwards to form bending part.
Further, two bending parts are in the equal circular boop coaxial arrangement in part in circular boop, and two bending parts are in circle
Part in hoop is parallel with circular boop periphery.
Further, diameter of two bending parts in the part in circular boop is the 1/20-1/15 of circular boop diameter；Two curved
Folding part is located at the 1/5-1/3 that the partial width in circular boop is circular boop width.
Further, the center line of several threaded holes is respectively positioned on the axial middle section of circular boop.
Further, two fins are arranged in parallel with the axial middle section of circular boop, and two fins are away from circular boop axial direction
The distance in section is greater than two distances of the bending part away from circular boop axial direction middle section.
Further, two fins are integrally formed with circular boop and are arranged.
Further, circular boop inner surface place corresponding with two fin positions is equipped with groove.
Compared with the existing technology, a kind of new casing centralizer locating snap ring described in the utility model has the advantage that
A kind of new casing centralizer locating snap ring described in the utility model, two fins and two bending parts can play class
Like the effect of spring, during tripping in casing, the borehole wall can act on fin and bending to squeeze pressure a part of locating snap ring
In portion, to absorb certain squeeze pressure, the squeeze pressure on the jackscrew directly acted on is reduced, guarantees locating snap ring in big extruding
It will not fail under pressure.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the perspective view of new casing centralizer locating snap ring described in the utility model embodiment；
Fig. 2 is the main view of new casing centralizer locating snap ring described in the utility model embodiment；
Fig. 3 is the cross-sectional view in the face B-B in Fig. 2；
Fig. 4 is the right view of new casing centralizer locating snap ring described in the utility model embodiment；
Fig. 5 is the cross-sectional view in the face A-A in Fig. 4；
Fig. 6 is new casing centralizer locating snap ring described in the utility model embodiment using installation diagram.
Description of symbols:
1- circular boop；2- threaded hole；3- jackscrew；4- fin；5- bending part；6- casing；7- locating snap ring；8- centralizer；9- is recessed
Slot.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figs. 1-5, a kind of new casing centralizer locating snap ring, including circular boop 1, the circular boop 1 is at cylindrical tube；Circle
It binds round and is uniformly provided with 6 threaded holes 2 on 1 periphery, jackscrew 3 is installed in threaded hole 2；1 excircle of circular boop is equipped with two fins
4, two fins 4 are coaxial with circular boop 1；1 both sides of the edge of circular boop bend inwards to form bending part 5.
Two bending parts 5 are located at the equal circular boop 1 in the part in circular boop 1 and are coaxially disposed, and two bending parts 5 are located in circular boop 1
Part it is parallel with 1 periphery of circular boop.
The diameter that two bending parts 5 are located at the part in circular boop 1 is the 1/16 of 1 diameter of circular boop；Two bending parts 5 are located at circle
Partial width in hoop 1 is the 3/10 of 1 width of circular boop.
The center line of 6 threaded holes 2 is respectively positioned on the axial middle section of circular boop 1.
Two fins 4 are arranged in parallel with the axial middle section of circular boop 1, and two fins 4 are away from the axial middle section of circular boop 1
Distance is greater than distance of two bending parts 5 away from the axial middle section of circular boop 1.
Two fins 4, which are integrally formed with circular boop 1, to be arranged.
1 inner surface of circular boop it is corresponding with two 4 positions of fin place be equipped with groove 9, groove 9 and its corresponding to
Fin 4 forms bouble-bow shape, can be when fin 4 is squeezed by the borehole wall, and enhancing elasticity absorbs more squeeze pressures, reduces direct
Squeeze pressure on the jackscrew 3 of effect guarantees that locating snap ring 7 will not fail under big squeeze pressure.
The use process of the present embodiment are as follows:
In use, by 8 sets of existing centralizer on casing 6, and stopping for a present embodiment is respectively mounted at the both ends of centralizer 8
Rotating ring 7, and guarantee that locating snap ring 7 also covers on casing 7, each jackscrew 3 is tightened, the structure chart after assembling is as shown in Figure 6.It uses
When, two fins 4 and two bending parts 5 can play the role of spring-like, and when by 6 lower going-into-well of casing, the borehole wall is to stop
Squeeze pressure a part of ring 7 can act on fin 4 and bending part 5, to absorb certain squeeze pressure, reduce and directly act on
Jackscrew on squeeze pressure, guarantee locating snap ring 7 will not fail under big squeeze pressure.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (7)
1. a kind of new casing centralizer locating snap ring, it is characterised in that: including circular boop (1), the circular boop (1) is at cylindrical tube；
Circular boop (1) periphery is equipped with several threaded holes (2), is equipped with jackscrew (3) in threaded hole (2)；On circular boop (1) excircle
Equipped with two fins (4), two fins (4) are coaxial with circular boop (1)；Circular boop (1) both sides of the edge bend inwards to form bending
Portion (5).
2. new casing centralizer locating snap ring according to claim 1, it is characterised in that: two bending parts (5) are located at circle
Bind round (1) in the equal circular boop in part (1) coaxial arrangement, and two bending parts (5) be located at the part in circular boop (1) with circular boop (1)
Periphery is parallel.
3. new casing centralizer locating snap ring according to claim 1 or 2, it is characterised in that: two bending parts (5) are located at
The diameter of part in circular boop (1) is the 1/20-1/15 of circular boop (1) diameter；Two bending parts (5) are located at the portion in circular boop (1)
Dividing width is the 1/5-1/3 of circular boop (1) width.
4. new casing centralizer locating snap ring according to claim 1, it is characterised in that: the center of several threaded holes (2)
Line is respectively positioned on the axial middle section of circular boop (1).
5. new casing centralizer locating snap ring according to claim 1, it is characterised in that: two fins (4) are and circular boop
(1) axial middle section is arranged in parallel, and two fins (4) are greater than two bending parts away from the distance of the axial middle section of circular boop (1)
(5) distance away from the axial middle section of circular boop (1).
6. new casing centralizer locating snap ring according to claim 5, it is characterised in that: two fins (4) are and circular boop
(1) it is integrally formed setting.
7. new casing centralizer locating snap ring according to claim 5 or 6, it is characterised in that: circular boop (1) inner surface and two
The corresponding place in fin (4) position is equipped with groove (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820784938.0U CN208396667U (en) | 2018-05-24 | 2018-05-24 | A kind of new casing centralizer locating snap ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820784938.0U CN208396667U (en) | 2018-05-24 | 2018-05-24 | A kind of new casing centralizer locating snap ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208396667U true CN208396667U (en) | 2019-01-18 |
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ID=65137684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820784938.0U Active CN208396667U (en) | 2018-05-24 | 2018-05-24 | A kind of new casing centralizer locating snap ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208396667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963078A (en) * | 2020-10-23 | 2020-11-20 | 胜利油田固邦石油装备有限责任公司 | Limiting device of casing centralizer |
-
2018
- 2018-05-24 CN CN201820784938.0U patent/CN208396667U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111963078A (en) * | 2020-10-23 | 2020-11-20 | 胜利油田固邦石油装备有限责任公司 | Limiting device of casing centralizer |
| CN111963078B (en) * | 2020-10-23 | 2020-12-15 | 胜利油田固邦石油装备有限责任公司 | Limiting device of casing centralizer |
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