CN217380509U

CN217380509U - Upper fixing sleeve of magnet injector

Info

Publication number: CN217380509U
Application number: CN202220970997.3U
Authority: CN
Inventors: 谭德贵; 蔡淑; 蔡林彬; 蔡德惠
Original assignee: Sichuan Yicheng Machinery Co ltd
Current assignee: Sichuan Yicheng Machinery Co ltd
Priority date: 2022-04-24
Filing date: 2022-04-24
Publication date: 2022-09-06
Anticipated expiration: 2032-04-24

Abstract

The utility model discloses a annotate fixed cover on magnetism ware belongs to oil well perforation technical field. A fixed cover on a magnet injector comprises: the extension section is connected with the fixed section in sequence, and the extension section is connected with the sleeve section in sequence; the outer wall of the fixed section is provided with an outer convex block, the side wall of the extension section is provided with a long elliptical hole communicated with the middle position hole, and the middle position hole penetrates through one section of the sleeving section and is detachably connected with the magnet injector. The utility model discloses a canned paragraph is used for connecting fixedly to whole fixed cover to set up the outer lug and make things convenient for and be connected with outside draw-in groove, it is spacing to carry out circumference to fixed cover, avoids fixed cover to take place unexpected the rotation in the use. The socket joint section is used for detachably connecting the magnet injecting device, the extension section is used for connecting the fixed section and the socket joint section, a cable connected with the magnet injecting device is inserted in the inner cavity of the central hole, and the inner cable can be maintained under the condition that the cable is not pulled through the long elliptical hole.

Description

Upper fixing sleeve of magnet injection device

Technical Field

The utility model relates to an oil well perforation technical field, concretely relates to annotate fixed cover on magnetism ware.

Background

The description of the background art of the present invention pertains to the related art related to the present invention, and is merely for the purpose of illustrating and facilitating understanding the contents of the present invention, and is not to be construed as a prior art which is definitely or supposedly considered by the applicant to be the present invention on the filing date of the first filed application.

Perforation construction operation is one of the key steps of oil field exploitation, is generally carried out after a well is drilled and a cement sheath is plugged, and has the main function of connecting an underground oil-gas layer with an oil production shaft in a penetrating manner. The specific operation is that high-performance explosive is ignited to explode at a corresponding position in the well, and the cement sheath and the oil-gas well casing are punctured by utilizing jet flow generated by the explosion and penetrate into an underground oil-gas layer. The magnet injector is an existing instrument which is used in a perforation effect and generates a magnetic field, and the existing magnet injector is fixed and limited by a special tool when in use, so that the magnet injector can conveniently perform magnet injection operation in a well. The existing special tool can not keep absolute level in the using process, so that the magnetic injector is easy to rotate, a plurality of inconveniences exist when a cable of the magnetic injector is connected, the magnetic injector needs to be disassembled and the cable needs to be pulled to move when the cable is maintained, and the integral operation efficiency is reduced. Therefore, the prior art has the problem that the magnet injector is inconvenient to fix and limit.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a annotate fixed cover on magnetism ware to solve the inconvenient fixed and spacing problem of current notes magnetism ware.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

a fixation sleeve on a magnet injector, comprising: the extension section is connected with the fixed section in sequence, and the extension section is connected with the sleeve section in sequence;

the outer wall of the fixed section is provided with an outer convex block, the side wall of the extension section is provided with a long elliptical hole communicated with the middle position hole, and the middle position hole penetrates through one section of the sleeving section and is detachably connected with the magnet injector.

The utility model discloses a canned paragraph is used for connecting fixedly to whole fixed cover to set up the outer lug and make things convenient for and be connected with outside draw-in groove, it is spacing to carry out circumference to fixed cover, avoids fixed cover to take place unexpected the rotation in the use. The socket joint section is used for detachably connecting the magnet injecting device, the extension section is used for connecting the fixed section and the socket joint section, a cable connected with the magnet injecting device is inserted in the inner cavity of the central hole, and the inner cable can be maintained under the condition that the cable is not pulled through the long elliptical hole.

Furthermore, the side wall of the fixed section is provided with an inclined insertion hole, and the inclined insertion hole penetrates through the outer convex block.

The utility model discloses a set up the circuit that oblique jack is used for connecting camera or sensor, the convenience carries out real-time supervision to the downthehole cable of meso position

Further, the length of the outer convex block is longer than that of the fixed section, and one end, close to the extension section, of the outer convex block is flush with the end part of the fixed section.

The utility model discloses the one end edge that extension section was kept away from to outer lug is located the outside of canned paragraph, plays the guide effect when being connected canned paragraph and external draw-in groove.

Furthermore, the middle hole penetrates through the side wall of one section of the fixing section to form a step shape, and the inner diameter of the position far away from the extending section is smaller than that of the position close to the extending section.

The utility model discloses the internal diameter that the median hole is located the canned paragraph inner chamber is less than the internal diameter that is located the extension section inner chamber, can play certain limiting displacement to the downthehole cable in median, avoids it to pull out along the direction of keeping away from the section of cup jointing easily.

Further, an annular groove is formed between the outer wall of the fixed section and the outer wall of the extension section.

The utility model discloses a set up the ring channel and conveniently play limiting displacement to the canned paragraph in the outside of fixed cover.

Further, the outer diameter of the fixed section is larger than that of the sleeving section and that of the extending section.

The utility model discloses canned paragraph, cup joint section and extension have certain external diameter difference, and the convenience plays limiting displacement to the axial displacement of canned paragraph.

Furthermore, the center hole penetrates through the inner wall of one section of the sleeving section and is in threaded connection with the magnet injector.

Furthermore, the middle hole penetrates through the inner wall of one section of the sleeving section and is clamped with the magnet injector.

The utility model discloses following beneficial effect has:

the utility model discloses a canned paragraph is used for connecting fixedly to whole fixed cover to set up outer lug and make things convenient for and be connected with external clamping groove, it is spacing to carry out circumference to fixed cover, avoids fixed cover to take place unexpected the rotation in the use. The socket joint section is used for detachably connecting the magnet injecting device, the extension section is used for connecting the fixed section and the socket joint section, a cable connected with the magnet injecting device is inserted in the inner cavity of the central hole, and the inner cable can be maintained under the condition that the cable is not pulled through the long elliptical hole.

Drawings

FIG. 1 is a schematic view of the structure of the fixing sleeve of the magnetic injector of the present invention;

fig. 2 is a schematic cross-sectional view of the fixing sleeve of the magnet injector of the present invention.

In the figure: 10-a fixed section; 11-oblique insertion holes; 12-outer bumps; 19-an annular groove; 20-an extension; 21-long oval hole; 30-a socket joint section; 40-median pore.

Detailed Description

The principles and features of the present invention will be described with reference to the drawings, which are provided for illustration only and are not intended to limit the scope of the invention.

Referring to fig. 1 and 2, an upper fixing sleeve of a magnet injector comprises: the fixed section 10, the extension section 20 and the socket section 30 are connected in sequence, and the middle position hole 40 respectively penetrates through the fixed section 10, the extension section 20 and the socket section 30. Fixed section 10 is used for cooperating external facilities to fix the relative position of whole fixed cover, and extension section 20 is used for intercommunication fixed section 10 and cup joints section 30, and cup joints section 30 is used for dismantling to connect and annotates the magnetism ware, and well position hole 40 then is used for placing the cable of connecting and annotating the magnetism ware.

The outer wall of canned paragraph 10 is equipped with outer lug 12, and outer lug 12 is the cuboid structure, and canned paragraph 10 accessible outer lug 12 is connected fixedly with outside draw-in groove to it is spacing to realize the circumference of whole fixed cover, avoids taking place the unnecessary rotation because of the rotation of fixed cover drives annotating the magnetism ware. The length of the outer convex block 12 is longer than that of the fixed section 10, and one end of the outer convex block 12 close to the extending section 20 is flush with the end of the fixed section 10, so that the edge of one end of the outer convex block 12 far away from the extending section 20 is positioned outside the fixed section 10, and the outer convex block can play a guiding role when the fixed section 10 is connected with an external clamping groove.

The side wall of the fixed section 10 is further provided with an inclined jack 11 communicated with the middle hole 40, the inclined jack 11 is used for connecting a camera or a sensor for detecting a cable in the middle hole 40 in real time, and a circuit of the inclined jack passes through the fixed section 10, the outer convex block 12 and the clamping groove in sequence and transmits detected data in real time.

An annular groove 19 is formed between the outer wall of the fixed section 10 and the outer wall of the extension section 20, and the annular groove 19 is arranged to facilitate the placement of a corresponding axial limiting part on the outer side of the fixed sleeve, so that the fixed section 10 is axially limited. And the external diameter of the fixed section 10 is greater than that of the sleeve section 30 and greater than that of the extension section 20, and the external diameter of different positions is inserted to cooperate with an external axial limiting part to limit the overall axial movement of the fixed sleeve.

The central hole 40 penetrates through the side wall of one section of the fixed section 10 to be in a step shape, and the inner diameter of the position far away from the extending section 20 is smaller than that of the position close to the extending section 20, so that a certain limiting effect can be achieved on the cable in the central hole 40, and the cable is prevented from being pulled out easily in the direction far away from the sleeving section 30. The side wall of the extension section 20 is provided with a long oval hole 21 communicated with the middle hole 40, and the long oval hole 21 mainly plays a role in maintenance, so that the cable in the middle hole 40 can be maintained conveniently under the condition that the cable is not pulled.

The inner wall of a section of the middle hole 40 penetrating through the sleeving section 30 is provided with an internal thread, and the outer wall of the corresponding magnet injector is provided with an external thread, so that the fixing sleeve is in threaded connection with the magnet injector. In other embodiments of the present invention, the inner wall of the middle hole 40 penetrating through one section of the socket section 30 can also be connected to the magnet injector.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a annotate fixed cover on magnetism ware which characterized in that includes: the connecting structure comprises a fixed section (10), an extension section (20), a sleeving section (30) and a middle hole (40), wherein the fixed section (10), the extension section (20) and the sleeving section (30) are connected in sequence;

the outer wall of the fixed section (10) is provided with an outer convex block (12), the side wall of the extension section (20) is provided with a long elliptical hole (21) communicated with the central hole (40), and the central hole (40) penetrates through one section of the sleeving section (30) to be detachably connected with the magnet injector.

2. The upper fixing sleeve of the magnet injector according to claim 1, wherein the side wall of the fixing section (10) is provided with an inclined insertion hole (11), and the inclined insertion hole (11) penetrates through the outer convex block (12).

3. The cover of claim 2, characterized in that the length of said external projection (12) is longer than the length of said fixing section (10), and the end of said external projection (12) close to said extension section (20) is flush with the end of said fixing section (10).

4. The upper fixing sleeve of the magnet injector according to claim 1, wherein the median hole (40) is stepped through the side wall of a section of the fixing section (10), and the inner diameter of a position far away from the extension section (20) is smaller than that of a position near the extension section (20).

5. A fixation sleeve on a magnet injector according to claim 4, characterized in that an annular groove (19) is provided between the outer wall of the fixation section (10) and the outer wall of the extension section (20).

6. The upper fixation sleeve of a magnet injector according to claim 1, characterized in that the outer diameter of the fixation section (10) is larger than the outer diameter of the socket section (30) than the outer diameter of the extension section (20).

7. The upper fixing sleeve of the magnet injector according to any one of claims 1 to 6, wherein the center hole (40) penetrates through the inner wall of one section of the sleeve section (30) to be in threaded connection with the magnet injector.

8. A fixation sleeve on a magnet injector according to any one of claims 1 to 6, characterized in that the neutral hole (40) penetrates through the inner wall of a section of the socket section (30) to be clamped with the magnet injector.