CN210714527U - Sand washing device - Google Patents
Sand washing device Download PDFInfo
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- CN210714527U CN210714527U CN201921252469.9U CN201921252469U CN210714527U CN 210714527 U CN210714527 U CN 210714527U CN 201921252469 U CN201921252469 U CN 201921252469U CN 210714527 U CN210714527 U CN 210714527U
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- washing device
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- sand washing
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Abstract
The embodiment of the disclosure provides a sand washing device, relates to sand setting clearance technical field, and the device includes: the spiral shell comprises a shell (1), a spiral head (3) and a clamping ring (2). The shell (1) comprises a first cylinder section (11) and a second cylinder section (12), a first through hole passing through the first cylinder section (11) and the second cylinder section (12) is formed in the shell (1), the inner wall of the second cylinder section (12) is provided with a taper, and an annular groove (4) is formed in the inner wall of the shell (1); the screw head (3) is arranged in the second cylinder section (12), and a second through hole is formed in the axial direction of the shell (1); the clamping ring (2) is arranged at the annular groove (4), and the clamping ring (2) is used for limiting the spiral head (3) in the axial direction of the shell (1). By adopting the embodiment of the disclosure, the sand washing device is used when sand setting is cleaned, and the inner wall of the sleeve can be effectively cleaned.
Description
Technical Field
The disclosure relates to the technical field of sand setting cleaning, in particular to a sand washing device.
Background
In the process of oil reservoir exploitation, because oil reservoir cementation is loose or measures are improper, sand is produced from an oil well, part of sand is deposited under the oil well, an oil outlet channel is blocked, the yield of the oil well is reduced, a sand setting cleaning technology is generated, and a sand washing device is developed all the time.
The sand washing device is in a pen point shape and is connected to the bottom of the oil pipe, sand washing liquid is pumped into the oil pipe, the sand washing liquid is sprayed out from a single straight line direction after passing through the sand washing device, and the sprayed sand washing liquid can carry settled sand and bring the settled sand to the ground. In the related art, the sand washing liquid is sprayed out from a certain single straight line direction after passing through the sand washing device, and the cleaning effect on the inner wall of the sleeve is poor.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the present disclosure provides a sand washing device, which can effectively clean the inner wall of a casing. The technical scheme is as follows:
the embodiment of the utility model provides a sand washing device, which comprises a shell, a spiral head and a snap ring, wherein,
the shell comprises a first cylinder section where a first end of the shell is located and a second cylinder section where a second end of the shell is located, the shell is provided with a first through hole passing through the first cylinder section and the second cylinder section, the inner wall of the first cylinder section is provided with threads, the first cylinder section is used for being connected with a pipeline, the inner wall of the second cylinder section has taper, the inner diameter of the second cylinder section close to the second end is smaller than the inner diameter of the second cylinder section far away from the second end, the minimum inner diameter of the first cylinder section is larger than or equal to the maximum inner diameter of the second cylinder section, and an annular groove is formed in the inner wall of the shell between the first cylinder section and the second cylinder section;
the screw head is arranged in the second cylinder section, the difference between the major diameter and the minor diameter of the screw thread of the screw head is larger than a first preset difference, the size of the screw head is matched with the size of the inner wall of the second cylinder section, the distance between the screw thread of the screw head, which is closest to the second end, and the second end is smaller than a preset distance, the screw head and the inner wall of the second cylinder section are smooth, the screw head is provided with a second through hole in the axial direction of the shell, and the second through hole is communicated with the first through hole;
the snap ring set up in annular groove department, the internal diameter of snap ring is less than the spiral head is closest to the external diameter of first end, the snap ring is used for the axial of casing is limited the spiral head.
Optionally, the casing further includes a circular truncated cone section, the circular truncated cone section is located between the first cylinder section and the second cylinder section, the first through hole passes through the circular truncated cone section, and the annular groove is disposed on an inner wall of the circular truncated cone section or an inner wall of the first cylinder section adjacent to the circular truncated cone section.
Optionally, the inner wall of the portion of the first cylinder section proximate the second end is tapered, the inner diameter of the tapered inner wall proximate the first end being greater than the inner diameter of the inner wall proximate the second end.
Optionally, the diameter of the annular groove is smaller than the outer diameter of the snap ring when the snap ring is naturally expanded.
Optionally, the diameter of the annular groove is larger than the outer diameter of the snap ring when the snap ring is fully closed.
Optionally, the width of the annular groove is greater than the thickness of the snap ring, and a difference between the width and the thickness is smaller than a second preset difference.
Optionally, a first portion of the screw head comprising the screw thread is located within the housing and a second portion not comprising the screw thread is located outside the housing.
Optionally, the first cylinder section has an outer diameter greater than an outer diameter of the second cylinder section.
Optionally, the thread profile of the screw head comprises at least one of the following threads: trapezoidal threads and rectangular threads.
Optionally, the first cylinder section is connected to the pipe by a screw thread, and the length of the screw thread connection is greater than a first preset value.
In the embodiment of the present disclosure, the sand washing device includes: casing, spiral head and snap ring. Wherein, the shell is a cylinder, including a first cylinder section and a second cylinder section, the shell is provided with a first through hole passing through the first cylinder section and the second cylinder section, the inner wall of the first cylinder section is provided with a thread so as to be connected with a pipeline thread, the inner wall of the second cylinder section has a taper, which can ensure that the screw head can not be disengaged from the second end, and an annular groove is arranged on the inner wall between the first cylinder section and the second cylinder section, the snap ring is arranged at the annular groove, through the arrangement of the snap ring, the screw head can be ensured not to be disengaged from the first end, so that the screw head is limited in the second cylinder section by the snap ring and the tapered inner wall of the second cylinder section together, the space between the screw head and the inner wall of the second cylinder section is smooth, the screw head with the thread can rotate in the second cylinder section to form umbrella-shaped liquid flow, the inner wall of the sleeve, the second through hole is communicated with the first through hole, so that a straight line liquid flow with strong impact force can be formed, settled sand can be effectively cleaned, and the device is simple and practical.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. In the drawings:
FIG. 1 is a schematic illustration of a sand wash apparatus according to an exemplary embodiment;
FIG. 2 is a diagram illustrating the effect of fluid flow after fluid passage of a sand wash apparatus according to an exemplary embodiment;
fig. 3 is a schematic diagram of a snap ring structure.
Illustration of the drawings:
1. case 2, snap ring
3. Screw head 4, annular groove
11. First cylinder section 12, second cylinder section
13. A first end 14, a second end
15. Circular table section 31, first part
32. The second part
With the foregoing drawings in mind, certain embodiments of the disclosure have been shown and described in more detail below. These drawings and written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the concepts of the disclosure to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
Fig. 1 is a schematic structural diagram of a sand washing device provided in this embodiment, and referring to fig. 1, the device includes a housing 1, a snap ring 2, and a screw head 3, wherein:
the shell 1 comprises a first cylinder section 11 where a first end 13 of the shell 1 is located and a second cylinder section 12 where a second end 14 of the shell 1 is located, the shell 1 is provided with a first through hole passing through the first cylinder section 11 and the second cylinder section 12, the inner wall of the first cylinder section 11 is provided with threads, the first cylinder section 11 is used for being connected with a pipeline, the inner wall of the second cylinder section 12 has taper, the inner diameter of the second cylinder section 12 close to the second end 14 is smaller than the inner diameter of the second cylinder section 12 far away from the second end 14, the minimum inner diameter of the first cylinder section 11 is larger than or equal to the maximum inner diameter of the second cylinder section 12, and the inner wall of the shell 1 between the first cylinder section 11 and the second cylinder section 12 is provided with;
the screw head 3 is arranged in the second cylinder section 12, the difference between the major diameter and the minor diameter of the screw thread of the screw head 3 is larger than a first preset difference, the size of the screw head 3 is matched with the size of the inner wall of the second cylinder section 12, the distance between the screw thread of the screw head 3 closest to the second end 14 and the second end 14 is smaller than a preset distance, the screw head 3 and the inner wall of the second cylinder section 12 are smooth, the screw head 3 is provided with a second through hole in the axial direction of the shell 1, and the second through hole is communicated with the first through hole;
the snap ring 2 is arranged at the annular groove 4, the inner diameter of the snap ring 2 is smaller than the outer diameter of the screw head 3 closest to the first end 13, and the snap ring 2 is used for limiting the screw head 3 in the axial direction of the housing 1.
The first through-hole of the housing 1 is located in the axial direction of the housing 1, and the first cylindrical section 11 of the sand washing device is connected with a pipeline by a thread, so that liquid can enter the sand washing device through the pipeline. The conical inner wall of the second cylinder section 12 ensures that the screw head 3 cannot be separated from the second end 14, the inner diameter of the snap ring 2 is smaller than the outer diameter of the screw head 3 closest to the first end 13, the screw head 3 cannot be separated from the end, far away from the second end 14, of the second cylinder section 12, the snap ring 2 and the second cylinder section 12 limit the movement of the screw head 3 in the axis direction of the shell 1, and the screw head 3 is ensured not to be separated from the second cylinder section 12. And the inner wall of the spiral head 3 and the inner wall of the second cylinder section 12 are smooth, and the difference between the major diameter and the minor diameter of the thread of the spiral head 3 is greater than a first preset difference, so that after the sand washing device is filled with liquid, the spiral head 3 can rotate in the second cylinder section 12 to form umbrella-shaped liquid flow, the inner wall of the sleeve is effectively cleaned, the second through hole is formed in the middle of the spiral head 3, the straight line liquid flow with stronger impact force can be formed, settled sand is effectively cleaned, and the device is simple and practical.
The liquid flow refers to flowing liquid, and in some embodiments of the present disclosure, the liquid may be a sand wash liquid with a certain viscosity, and the liquid may also be water.
In some embodiments of the present disclosure, the first cylinder section 11 is connected to the pipe by a screw thread, and the length of the screw thread is greater than a first preset value, so as to ensure a certain connection strength between the casing 1 and the pipe.
In some embodiments of the present disclosure, the frustum section 15 is located between the first and second cylinder sections 11 and 12, the first through hole passes through the frustum section 15, and the annular groove 4 is disposed on an inner wall of the frustum section 15 or on an adjacent inner wall of the first cylinder section 11.
The frustum section 15 is located between the first cylinder section 11 and the second cylinder section 12 and connects the first cylinder section 11 and the second cylinder section 12, so that the shell of the connection part of the first cylinder section 11 and the second cylinder section 12 has a certain thickness to resist deformation and damage, and the frustum section 15, the first cylinder section 11 and the second cylinder section 12 can be of an integrally formed structure.
In some embodiments of the present disclosure, the inner wall of the portion of first cylinder section 11 proximate second end 14 is tapered, with the inner diameter of the tapered inner wall proximate first end 13 being greater than the inner diameter of the inner wall proximate second end 14.
When sand washing device and pipeline carried out threaded connection, the inner wall that has the tapering was convenient for judge whether threaded connection accomplished, if continue to make the pipeline advance after threaded connection accomplished, the pipeline can touch the toper inner wall of round platform section 15 and restrict the pipeline and continue to advance to the protection connecting thread is not conquassated, and snap ring 2 also can be pushed into the casing along the toper inner wall of round platform section 15, and installed into in annular groove 4.
In some embodiments of the present disclosure, the diameter of the annular groove 4 is smaller than the outer diameter of the snap ring 2 when the snap ring 2 is naturally opened, the snap ring 2 is structured as shown in fig. 3, the snap ring 2 may be a snap ring with certain elasticity, and the size of the opening of the snap ring is variable under the action of external force, so as to be conveniently installed into the annular groove 4 of the housing 1.
In some embodiments of the present disclosure, the diameter of the annular groove 4 is larger than the outer diameter of the snap ring 2 when fully closed, ensuring that the snap ring 2 can enter the housing 1 and be installed into the annular groove 4.
In some embodiments of the present disclosure, the width of the annular groove 4 is greater than the thickness of the snap ring 2, and the difference between the width of the annular groove 4 and the thickness of the snap ring 2 is smaller than a second preset difference, so that the snap ring 2 can be installed in the annular groove 4.
In some embodiments of the present disclosure, the first portion 31 of the screw head 3 including the screw thread is located inside the housing 1, the second portion 32 not including the screw thread is located outside the housing 1, and the distance between the screw thread of the screw head 3 closest to the second end 14 and the second end 14 is smaller than the preset distance, so as to ensure that the liquid cannot form an umbrella-shaped liquid flow due to the restriction of the housing 1 after passing through the sand washing device.
In some embodiments of the present disclosure, the outer diameter of the first cylinder section 11 is larger than the outer diameter of the second cylinder section 12, and when the inner diameter of the first cylinder section 11 is larger than the second cylinder section 12, it is ensured that the casing in which the first cylinder section 11 is located still has a certain thickness.
In some embodiments of the present disclosure, the thread profile of the screw head 3 comprises at least one of the following threads: trapezoidal threads and rectangular threads.
In some embodiments of the present disclosure, the connection thread between the first cylinder section 11 and the pipe is determined according to the type of pipe thread used.
In some embodiments of the present disclosure, the conduit may be tubing.
In some embodiments of the present disclosure, the threads of the screw head 3, the housing 1 and the snap ring 2 all have a certain thickness, and the diameter of the through hole in the screw head 3 is smaller than a second preset value, so as to ensure that each part of the housing 1, the snap ring 2 and the screw head 3 has enough strength to bear the pressure of the liquid flow or other forms of force.
It should be noted that the first preset difference, the second preset difference, the first preset value, the second preset value, and the preset distance may be set by a relevant technician according to an actual use requirement, which is not limited in this embodiment.
One installation mode of the sand washing device in this embodiment may be: the screw head 3 is first placed into the second cylinder section 12 from the first end 13 of the housing 1 completely through the first cylinder section 11, the snap ring 2 is opened to a smaller or completely closed position by a tool (e.g., a snap ring pliers), and the snap ring 2 is then introduced into the housing 1 and properly seated in the annular groove 4.
In summary, in the embodiment of the present disclosure, the sand washing device includes: a shell 1, a spiral head 3 and a clamping ring 2. Wherein, the casing 1 is a cylinder, including a first cylinder section 11 and a second cylinder section 12, the casing 1 is provided with a first through hole passing through the first cylinder section 11 and the second cylinder section 12, the inner wall of the first cylinder section 11 is provided with a thread so as to be connected with a pipeline thread, the inner wall of the second cylinder section 12 has a taper, which can ensure that the screw head 3 cannot be disengaged from the second end 14, and the inner wall between the first cylinder section 11 and the second cylinder section 12 is provided with an annular groove 4, the snap ring 2 is arranged at the annular groove 4, by the arrangement of the snap ring 2, it can ensure that the screw head 3 cannot be disengaged from the first end 13, so that the snap ring 2 and the tapered inner wall of the second cylinder section 12 jointly limit the screw head 3 in the second cylinder section 12, the space between the screw head 3 and the inner wall of the second cylinder section 12 is smooth, the screw head 3 with the, the umbrella-shaped liquid flow is formed, the inner wall of the casing can be effectively cleaned, the second through hole is formed in the spiral head 3 in the axis direction of the casing 1, the straight line liquid flow with strong impact force can be formed, settled sand can be effectively cleaned, and the device is simple and practical.
The above description is only an alternative embodiment of the present invention, and is not intended to limit the present invention, and any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the scope of the present invention.
Claims (10)
1. A sand washing device is characterized by comprising a shell (1), a spiral head (3) and a clamping ring (2),
the housing (1) comprising a first cylinder section (11) at which a first end (13) of the housing (1) is located and a second cylinder section (12) at which a second end (14) of the housing (1) is located, the housing (1) is provided with a first through hole passing through the first cylinder section (11) and the second cylinder section (12), the inner wall of the first cylinder section (11) is provided with threads, the first cylinder section (11) is used for connecting with a pipeline, the inner wall of the second cylinder section (12) having a taper, the inner diameter of the second cylinder section (12) near the second end (14) being smaller than the inner diameter of the second cylinder section (12) away from the second end (14), the minimum internal diameter of the first cylinder section (11) being greater than or equal to the maximum internal diameter of the second cylinder section (12), the housing (1) is provided with an annular groove (4) on the inner wall between the first cylinder section (11) and the second cylinder section (12);
the screw head (3) is arranged in the second cylinder section (12), the difference between the major diameter and the minor diameter of the screw thread of the screw head (3) is larger than a first preset difference, the size of the screw head (3) is matched with the size of the inner wall of the second cylinder section (12), the distance between the screw thread of the screw head (3) closest to the second end (14) and the second end (14) is smaller than a preset distance, the screw head (3) and the inner wall of the second cylinder section (12) are smooth, a second through hole is formed in the screw head (3) in the axial direction of the shell (1), and the second through hole is communicated with the first through hole;
snap ring (2) set up in annular groove (4) department, the internal diameter of snap ring (2) is less than spiral head (3) are close to the external diameter of first end (13) is the closest, snap ring (2) are used for limit on the axial of casing (1) spiral head (3).
2. A sand washing device according to claim 1, c h a r a c t e r i z e d in that the housing (1) further comprises a circular table section (15), the circular table section (15) being located between the first cylinder section (11) and the second cylinder section (12), the first through-going opening passing through the circular table section (15), the annular groove (4) being provided on the inner wall of the circular table section (15) or on the inner wall of the first cylinder section (11) adjacent to the circular table section (15).
3. A sand washing device according to claim 1, wherein the inner wall of the portion of the first cylinder section (11) near the second end (14) is tapered, the inner diameter of the tapered inner wall near the first end (13) being larger than the inner diameter of the inner wall near the second end (14).
4. A sand washing device according to claim 1, characterised in that the diameter of the annular groove (4) is smaller than the outer diameter of the snap ring (2) when it is naturally open.
5. A sand washing device according to claim 4, characterised in that the diameter of the annular groove (4) is larger than the outer diameter of the snap ring (2) when fully closed.
6. A sand washing device according to claim 1, characterised in that the width of the annular groove (4) is greater than the thickness of the snap ring (2), the difference between the width and the thickness being smaller than a second predetermined difference.
7. A sand washing device according to claim 1, characterised in that a first part (31) of the screw head (3) comprising a screw thread is located inside the housing (1) and a second part (32) comprising no screw thread is located outside the housing (1).
8. A sand washing device according to claim 1, characterised in that the outer diameter of the first cylinder section (11) is larger than the outer diameter of the second cylinder section (12).
9. A sand washing device according to claim 1, characterised in that the thread profile of the screw head (3) comprises at least one of the following threads: trapezoidal threads and rectangular threads.
10. A sand washing device according to claim 1, characterised in that the first cylinder section (11) is screwed to the pipe, the length of the screw connection being greater than a first predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921252469.9U CN210714527U (en) | 2019-08-02 | 2019-08-02 | Sand washing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921252469.9U CN210714527U (en) | 2019-08-02 | 2019-08-02 | Sand washing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210714527U true CN210714527U (en) | 2020-06-09 |
Family
ID=70962665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921252469.9U Active CN210714527U (en) | 2019-08-02 | 2019-08-02 | Sand washing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210714527U (en) |
-
2019
- 2019-08-02 CN CN201921252469.9U patent/CN210714527U/en active Active
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