CN205135582U - Bridge type eccentric injection mandrel - Google Patents
Bridge type eccentric injection mandrel Download PDFInfo
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- CN205135582U CN205135582U CN201520821100.0U CN201520821100U CN205135582U CN 205135582 U CN205135582 U CN 205135582U CN 201520821100 U CN201520821100 U CN 201520821100U CN 205135582 U CN205135582 U CN 205135582U
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- guide way
- bridge type
- type eccentric
- main body
- injection mandrel
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Abstract
The utility model discloses a bridge type eccentric injection mandrel, bridge type eccentric injection mandrel includes: the top connection, go up the adapter sleeve, go up the guide way, a main bod. Lower adapter sleeve, lower connector, the fix with screw support, lower guide way. The embodiment of the utility model provides a bridge type eccentric injection mandrel connects upward connector and main part through last adapter sleeve to and come the connection subject and the technical scheme of connector down through lower adapter sleeve, and optimized bridge type eccentric injection mandrel's structure, last guide way and guide way have down been adopted in influence that the deposit of having avoided the dirt was brought the water injection process, can go up location or the lower locate mode who fixes a position through last guide way and guide way down at the in -service use in -process, have improved the embodiment of the utility model provides a bridge type eccentric injection mandrel's commonality has reduced the degree of difficulty that the pulling and running tool got into inclined to one side hole.
Description
Technical field
The utility model relates to oil collecting equipment technical field, particularly relates to a kind of bridge type eccentric injection mandrel.
Background technology
Bridge type eccentric injection mandrel is a kind of water injection tool that oil-field flooding field adopts.
In the prior art, adopt Open architecture between bridge type eccentric injection mandrel centralizer body and upper joint sleeve, in water filling or washing well process, the foreign material such as silt, dirt easily in body top step place deposition, thus affect flood effectiveness.
Therefore, there are foreign material and be easily deposited on technical problem in main body in bridge type eccentric injection mandrel of the prior art.
Utility model content
The utility model embodiment is by providing a kind of bridge type eccentric injection mandrel, and the foreign material existed in order to solve bridge type eccentric injection mandrel of the prior art are easily deposited on the technical problem in main body.
The utility model embodiment provides a kind of eccentric injection mandrel, comprising:
Upper binding head;
Upper joint sleeve, is connected with described upper binding head, and described upper joint sleeve has the first cavity;
Upper guide way, be arranged in described first cavity, the nib of the upper end of described upper guide way extends in upper binding head, and described upper guide way sidewall has stria;
Main body, the first end of described main body is connected with described upper joint sleeve and is connected with described guide way;
Lower joint sleeve, is connected with the second end of described main body;
Lower union joint, is connected with described lower joint sleeve, and the inside of described lower union joint and described lower joint sleeve forms the second cavity;
Screw fixed support, is arranged in described second cavity, and endoporus and the described main body of described screw fixed support one end are connected;
Lower guide way, to be arranged in described second cavity and to be connected with the inner hole of described screw fixed support the other end.
Alternatively, described main body side is provided with the passageway bridge of two band chamferings, and the end face that described main body is connected with described upper guide way has counterbore, and described main body inner wall is provided with annular groove, and described annular groove is communicated with described counterbore.
Alternatively, described upper joint sleeve is connected with described upper binding head by screw thread.
Alternatively, described lower joint sleeve is connected with the second end of described main body by screw thread.
Alternatively, lower union joint is connected with described lower joint sleeve by screw thread.
One or more technical scheme in the utility model embodiment, at least tool has the following advantages or beneficial effect:
1, the bridge type eccentric injection mandrel that the utility model embodiment provides connects upper binding head and main body by upper joint sleeve, and the technical scheme of main body and lower union joint is connected by lower joint sleeve, optimize the structure of bridge type eccentric injection mandrel, solve bridge type eccentric injection mandrel in prior art and cause the foreign material such as silt, dirt because adopting Open architecture between centralizer body and upper joint sleeve easily in the technical problem of body top step place deposition, the impact that the deposition avoiding dirt is brought the injecting process.
2, the bridge type eccentric injection mandrel that the utility model embodiment provides have employed guide way and lower guide way, the locate mode of upper location or lower location can be carried out in actual use by upper guide way and lower guide way, improve the versatility of the bridge type eccentric injection mandrel that the utility model embodiment provides, reduce the difficulty that throw in catcher enters inclined hole.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model bridge type eccentric injection mandrel;
Fig. 2 is for bridge type eccentric injection mandrel shown in Fig. 1 is along the sectional view of A-A line;
Fig. 3 is for bridge type eccentric injection mandrel shown in Fig. 1 is along the sectional view of B-B line.
Detailed description of the invention
The utility model embodiment is by providing a kind of bridge type eccentric injection mandrel, and the foreign material existed in order to solve bridge type eccentric injection mandrel of the prior art are easily deposited on the technical problem in main body.
The utility model embodiment provides a kind of bridge type eccentric injection mandrel, comprising:
Upper binding head;
Upper joint sleeve, is connected with described upper binding head, and described upper joint sleeve has the first cavity;
Upper guide way, be arranged in described first cavity, the nib of the upper end of described upper guide way extends in upper binding head, and described upper guide way sidewall has stria;
Main body, the first end of described main body is connected with described upper joint sleeve and is connected with described guide way;
Lower joint sleeve, is connected with the second end of described main body;
Lower union joint, is connected with described lower joint sleeve, and the inside of described lower union joint and described lower joint sleeve forms the second cavity;
Screw fixed support, is arranged in described second cavity, and endoporus and the described main body of described screw fixed support one end are connected;
Lower guide way, to be arranged in described second cavity and to be connected with the inner hole of described screw fixed support the other end.
Can find out, the bridge type eccentric injection mandrel that the utility model embodiment provides connects upper binding head and main body by upper joint sleeve, and the technical scheme of main body and lower union joint is connected by lower joint sleeve, optimize the structure of bridge type eccentric injection mandrel, solve bridge type eccentric injection mandrel in prior art and cause the foreign material such as silt, dirt because adopting Open architecture between centralizer body and upper joint sleeve easily in the technical problem of body top step place deposition, the impact that the deposition avoiding dirt is brought the injecting process.
Simultaneously, the bridge type eccentric injection mandrel that the utility model embodiment provides have employed guide way and lower guide way, the locate mode of upper location or lower location can be carried out in actual use by upper guide way and lower guide way, improve the versatility of the bridge type eccentric injection mandrel that the utility model embodiment provides, reduce the difficulty that throw in catcher enters inclined hole.
In specific implementation process, described main body side is provided with the passageway bridge of two band chamferings, and the end face that described main body is connected with described upper guide way has counterbore, and described main body inner wall is provided with annular groove, and described annular groove is communicated with described counterbore.
In specific implementation process, described upper joint sleeve is connected with described upper binding head by screw thread.
In specific implementation process, described lower joint sleeve is connected with the second end of described main body by screw thread.
In specific implementation process, lower union joint is connected with described lower joint sleeve by screw thread.
In ensuing part, incite somebody to action 1-3 by reference to the accompanying drawings, technique scheme is described.
Please refer to the structural representation that Fig. 1-3, Fig. 1 is the utility model bridge type eccentric injection mandrel; Fig. 2 is for bridge type eccentric injection mandrel shown in Fig. 1 is along the sectional view of A-A line; Fig. 3 is for bridge type eccentric injection mandrel shown in Fig. 1 is along the sectional view of B-B line.
As Figure 1-3, this bridge type eccentric injection mandrel comprises upper binding head 1, upper joint sleeve 2, main body 6, lower joint sleeve 10, lower union joint 13, as shown in Figure 1, in the present embodiment, upper binding head 1 is threaded connection upper joint sleeve 2, and upper joint sleeve 2 is threaded connection main body 6, connects upper binding head 1 and main body 6 owing to have employed by upper joint sleeve 2, ensure that between upper binding head 1 and main body 6 can not dirt deposits, avoids the deposition of dirt.
Please continue to refer to Fig. 1, as shown in Figure 1, upper joint sleeve 2 inner chamber is provided with guide way 3, the nib of upper guide way 3 upper end extends in upper binding head 1, upper guide way 3 sidewall has 11 side channels 4, and open slot edge is axially connected with upper joint sleeve 2 inner tight, and upper guide way 3 end face is connected by spot welding with main body 6, in actual use, this bridge type eccentric injection mandrel embodiment can carry out upper location by upper guide way 3.
Please continue to refer to Fig. 1, as shown in Figure 1, in the present embodiment, the other end of main body 6 is threaded connection lower joint sleeve 10, and lower joint sleeve 10 is threaded lower union joint 13, and sealing place is provided with sealing ring.Connect main body 6 and lower union joint 13 owing to have employed by lower joint sleeve 10, ensure that between main body 6 and lower union joint 13 can not dirt deposits, avoids the deposition of dirt.
Please continue to refer to Fig. 1, as shown in Figure 1, at lower joint sleeve 10 inner chamber, support 11 end endoporus and main body 6 are connected, screw fixed support 11 endoporus and lower guide way 12 are connected, screw fixed support 11 and lower guide way 12, in actual use, the bridge type eccentric injection mandrel that the present embodiment provides can carry out lower location by lower guiding 12 body.
Can find out, the bridge type eccentric injection mandrel provided due to the present embodiment can carry out the locate mode of upper location or lower location by upper guide way 3 and lower guide way 12, improve the versatility of the bridge type eccentric injection mandrel that the utility model embodiment provides, reduce the difficulty that throw in catcher enters inclined hole.
In specific implementation process, the end face that main body 6 connects guide way has counterbore 5, and main body 6 side has the annular passageway bridge 7 of two band chamferings, main body 6 inwall has an annular groove 8, has oblique by-pass prot 9 UNICOM with counterbore 5.
When normal water filling, water under high pressure in main body 6 enters the blanking plug water nozzle in counterbore 5 by by-pass prot 9, circulation area by water nozzle controls water injection rate, when needs are tested, tester is entered under main body 6 inwall, water under high pressure enters central passage by annular passageway bridge 7, enters the blanking plug in counterbore 5 by annular groove 8, separately test this layer of injection flow and water injection pressure.
Certainly, it should be noted that, in other embodiments, can also by other means as welding etc. connects top connection 1 and upper joint sleeve 2, and connect upper joint sleeve 2 and main body 6, and connect lower joint sleeve 10 and main body 6, and connect lower contact 13 and lower joint sleeve 10, just repeat no more at this.
One or more technical scheme in the utility model embodiment, at least tool has the following advantages or beneficial effect:
1, the bridge type eccentric injection mandrel that the utility model embodiment provides connects upper binding head and main body by upper joint sleeve, and the technical scheme of main body and lower union joint is connected by lower joint sleeve, optimize the structure of bridge type eccentric injection mandrel, solve bridge type eccentric injection mandrel in prior art and cause the foreign material such as silt, dirt because adopting Open architecture between centralizer body and upper joint sleeve easily in the technical problem of body top step place deposition, the impact that the deposition avoiding dirt is brought the injecting process.
2, the bridge type eccentric injection mandrel that the utility model embodiment provides have employed guide way and lower guide way, the locate mode of upper location or lower location can be carried out in actual use by upper guide way and lower guide way, improve the versatility of the bridge type eccentric injection mandrel that the utility model embodiment provides, reduce the difficulty that throw in catcher enters inclined hole.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (5)
1. a bridge type eccentric injection mandrel, is characterized in that, comprising:
Upper binding head;
Upper joint sleeve, is connected with described upper binding head, and described upper joint sleeve has the first cavity;
Upper guide way, be arranged in described first cavity, the nib of the upper end of described upper guide way extends in upper binding head, and described upper guide way sidewall has stria;
Main body, the first end of described main body is connected with described upper joint sleeve and is connected with described guide way;
Lower joint sleeve, is connected with the second end of described main body;
Lower union joint, is connected with described lower joint sleeve, and the inside of described lower union joint and described lower joint sleeve forms the second cavity;
Screw fixed support, is arranged in described second cavity, and endoporus and the described main body of described screw fixed support one end are connected;
Lower guide way, to be arranged in described second cavity and to be connected with the inner hole of described screw fixed support the other end.
2. bridge type eccentric injection mandrel as claimed in claim 1, it is characterized in that, described main body side is provided with the passageway bridge of two band chamferings, and the end face that described main body is connected with described upper guide way has counterbore, described main body inner wall is provided with annular groove, and described annular groove is communicated with described counterbore.
3. bridge type eccentric injection mandrel as claimed in claim 1, it is characterized in that, described upper joint sleeve is connected with described upper binding head by screw thread.
4. bridge type eccentric injection mandrel as claimed in claim 1, it is characterized in that, described lower joint sleeve is connected with the second end of described main body by screw thread.
5. bridge type eccentric injection mandrel as claimed in claim 1, it is characterized in that, described lower union joint is connected with described lower joint sleeve by screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520821100.0U CN205135582U (en) | 2015-10-22 | 2015-10-22 | Bridge type eccentric injection mandrel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520821100.0U CN205135582U (en) | 2015-10-22 | 2015-10-22 | Bridge type eccentric injection mandrel |
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| Publication Number | Publication Date |
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| CN205135582U true CN205135582U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520821100.0U Active CN205135582U (en) | 2015-10-22 | 2015-10-22 | Bridge type eccentric injection mandrel |
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| CN (1) | CN205135582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209344A (en) * | 2018-09-14 | 2019-01-15 | 大港油田集团有限责任公司 | A kind of water injection well centering type corrosion monitor |
-
2015
- 2015-10-22 CN CN201520821100.0U patent/CN205135582U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209344A (en) * | 2018-09-14 | 2019-01-15 | 大港油田集团有限责任公司 | A kind of water injection well centering type corrosion monitor |
| CN109209344B (en) * | 2018-09-14 | 2022-07-08 | 大港油田集团有限责任公司 | Eccentric corrosion monitoring device for water injection well |
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