CN215949436U - Sealed well washing device for oil-water well - Google Patents
Sealed well washing device for oil-water well Download PDFInfo
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- CN215949436U CN215949436U CN202122229192.1U CN202122229192U CN215949436U CN 215949436 U CN215949436 U CN 215949436U CN 202122229192 U CN202122229192 U CN 202122229192U CN 215949436 U CN215949436 U CN 215949436U
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Abstract
The utility model discloses a sealed well washing device for an oil-water well, which relates to the technical field of well washing equipment and solves the technical problem that well washing liquid can cause secondary pollution or block a return pipe in the using process of the existing well washing device; the sealed well washing device for the oil-water well has the advantages of isolating and cleaning space, high well washing liquid backflow speed, difficulty in blockage and secondary pollution generation and capability of efficiently washing the well.
Description
Technical Field
The utility model relates to the technical field of well washing equipment, in particular to a sealed well washing device for an oil-water well.
Background
The oil-water well is a hole drilled by drilling method, after drilling oil layer, the oil-water well is put into the casing of oil layer, and the cement of oil-water well is injected into the annular space between casing and well wall to maintain well wall and seal oil, gas and water layer, then according to the requirements of oil field development the oil layer is jetted by means of perforating gun to form channel, and the oil pipe is put into the oil well, and the petroleum is raised from bottom of oil-water well to well head by means of proper flow-inducing method.
The wax deposition of an oil pipe in a shaft in the oil-water well can cause the yield of crude oil to be reduced, and the oil pipe can be blocked to stop the production of the oil-water well in serious cases, so that the wax deposition of the oil pipe needs to be removed regularly to ensure the normal yield of the crude oil; at present, the hot water circulation mode of a paraffin removal truck is generally adopted for hot washing and paraffin removal, well washing water is output by an outlet pipeline of a well washing pump truck and then enters an oil-water well through a wellhead casing pipe gate, however, well washing liquid contains a certain amount of granular impurities, and easily falls into the bottom of the well in the well washing process, so that secondary pollution is caused, the normal use of a pump valve is influenced, and on the other hand, the backflow of the well washing liquid possibly causes the problems of backflow pipe blockage and the like.
Therefore, the utility model aims at the above problems and provides a sealing well-flushing device for an oil-water well.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: the utility model provides a sealed well washing device for an oil-water well, aiming at solving the problem that well washing liquid possibly causes secondary pollution or blocks a return pipe in the using process of the existing well washing device.
The utility model specifically adopts the following technical scheme for realizing the purpose:
a sealed well washing device for an oil-water well comprises an oil pipe and a sealed well washing structure, wherein the sealed well washing structure is arranged inside the oil pipe and comprises a shell, a first isolation plate, a second isolation plate and a well washing assembly, 8-12 nozzles are arranged on the outer wall of the shell, the shell is arranged at the top of the first isolation plate, a first sealing ring is arranged between the edge of the first isolation plate and the inner wall of the oil pipe, the second isolation plate is sleeved on the upper portion of the outer side wall of the shell, a second sealing ring is arranged between the edge of the second isolation plate and the inner wall of the oil pipe, a liquid inlet pipe is arranged on the right side of the upper portion in the shell, a backflow pipe is arranged on the left side of the liquid inlet pipe, a backflow port is arranged on the left side of the lower end of the backflow pipe, a filter plate is detachably arranged at the upper end of the liquid inlet pipe, the well washing assembly comprises a driving motor, a threaded rod, a threaded sleeve, a connecting block and a cleaning head, the driving motor is arranged at the top of the second isolation plate, the upper end of the threaded rod penetrates through the second isolation plate and is connected with the driving motor, A first bearing is arranged between the threaded rod and the second isolation plate, the lower end of the threaded rod is connected with the second bearing, the threaded sleeve is in threaded connection with the threaded rod, and the cleaning head is connected with the threaded sleeve through a connecting block.
Further, the well washing assembly is provided with two groups. The well washing subassembly symmetry sets up in the casing both sides, and respectively under driving motor's effect, the threaded rod rotates the thread bush that drives threaded connection on the threaded rod and reciprocates, and the thread bush reciprocates, and then drives connecting block and cleaning head and reciprocates to cleaning head both can clean the oil pipe inner wall, can stir well washing liquid again, avoids impurity smuggleing secretly in the well washing liquid to block up the back flow.
Furthermore, the cleaning head consists of an arc-shaped cleaning disc and a plurality of cleaning steel brushes, the inner wall of the arc-shaped cleaning disc is connected with the connecting block, and the outer wall of the arc-shaped cleaning disc is provided with the plurality of cleaning steel brushes. The circular arc-shaped cleaning disc is matched with the inner wall of the oil pipe, so that the cleaning efficiency can be effectively improved.
Further, a motor box is arranged outside the driving motor. The motor box can protect the driving motor from being forced to be damaged, the normal operation of the driving motor is ensured, and the service life is prolonged.
Further, a bearing shell is arranged outside the second bearing. The bearing housing has a protective effect on the second bearing.
Furthermore, a sealing gasket is arranged at the top of the first isolation plate. The sealing gasket is arranged between the first isolation plate and the shell, the sealing effect is good, and the well-flushing liquid can be effectively prevented from leaking.
Further, the first isolation plate is fixedly connected with the shell through a screw.
The utility model has the following beneficial effects:
the utility model relates to a sealed well washing device for an oil-water well, which utilizes a first isolation plate, a second isolation plate and a shell to isolate a well washing space, and is provided with a well washing assembly which can move up and down in the space, so that the inner wall of the oil pipe is washed, and well washing liquid is stirred to prevent the well washing liquid from blocking a return port and a return pipe;
according to the sealed well washing device for the oil-water well, the detachable filter plate is arranged on the liquid inlet pipe, so that well washing liquid entering the shell can be filtered, the well washing liquid is prevented from carrying impurities such as particles, meanwhile, the sealed well washing device is convenient to detach and replace, and the practicability is high.
Drawings
FIG. 1 is a schematic structural diagram of a sealed well-flushing device for oil-water wells according to the present invention;
reference numerals: 10-a second bearing; 11-a bearing housing; 12-a threaded rod; 13-a threaded sleeve; 14-connecting blocks; 15-cleaning a steel brush; 16-arc-shaped cleaning disc; 17-oil pipe; 18-a first bearing; 19-a drive motor; 20-a motor box; 21-a second separator plate; 22-a liquid inlet pipe; 23-a filter plate; 24-a return pipe; 25-a housing; 26-a second sealing ring; 27-a return port; 28-a nozzle; 29-a first seal ring; 30-a screw; 31-first separator plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, the embodiment provides a sealed well-flushing device for an oil-water well, which includes an oil pipe 17 and a sealed well-flushing structure, the sealed well-flushing structure is disposed inside the oil pipe 17, the sealed well-flushing structure includes a housing 25, a first isolation plate 31, a second isolation plate 21 and a well-flushing assembly, 8 nozzles 28 are disposed on an outer wall of the housing 25, the housing 25 is disposed on a top of the first isolation plate 31, a first sealing ring 29 is disposed between an edge of the first isolation plate 31 and an inner wall of the oil pipe 17, the first sealing ring 29 can ensure sealing between the first isolation plate 31 and the oil pipe 17 without leakage of well-flushing fluid, the second isolation plate 21 is sleeved on an upper portion of an outer side wall of the housing 25, a second sealing ring 26 is disposed between an edge of the second isolation plate 21 and an inner wall of the oil pipe 17, the second sealing ring 26 can ensure sealing between the second isolation plate 21 and the oil pipe 17 without leakage of well-flushing fluid, a liquid inlet pipe 22 is disposed on a right side of an upper portion inside the housing 25, the left side of the liquid inlet pipe 22 is provided with a return pipe 24, the left side of the lower end of the return pipe 24 is provided with a return port 27, the upper end of the liquid inlet pipe 22 is detachably provided with a filter plate 23, the well washing component comprises a driving motor 19, a threaded rod 12, a threaded sleeve 13, a connecting block 14 and a cleaning head, the driving motor 19 is arranged at the top of a second isolation plate 21, the upper end of the threaded rod 12 penetrates through the second isolation plate 21 to be connected with the driving motor 19, a first bearing 18 is arranged between the threaded rod 12 and the second isolation plate 21, the lower end of the threaded rod 12 is connected with a second bearing 10, the threaded sleeve 13 is in threaded connection with the threaded rod 12, the cleaning head is connected with the threaded sleeve 13 through the connecting block 14, wherein the cleaning head comprises a circular arc-shaped cleaning disc 16 and a plurality of cleaning steel brushes 15, the inner wall of the circular arc-shaped cleaning disc 16 is connected with the connecting block 14, and the outer wall is provided with the plurality of cleaning steel brushes 15.
In the above, two groups of well washing components are arranged; a motor box 20 is arranged outside the driving motor 19; a bearing shell 11 is arranged outside the second bearing 10; the first isolation plate 31 is fixedly connected with the shell 25 through a screw 30; the top of the first partition plate 31 is provided with a gasket.
Example 2
As shown in figure 1, the embodiment provides a sealed well washing device for an oil-water well, which comprises an oil pipe 17 and a sealed well washing structure, wherein the sealed well washing structure is arranged inside the oil pipe 17, the sealed well washing structure comprises a shell 25, a first isolation plate 31, a second isolation plate 21 and a well washing assembly, 12 nozzles 28 are arranged on the outer wall of the shell 25, the shell 25 is arranged at the top of the first isolation plate 31, a first sealing ring 29 is arranged between the edge of the first isolation plate 31 and the inner wall of the oil pipe 17, the second isolation plate 21 is sleeved on the upper part of the outer side wall of the shell 25, a second sealing ring 26 is arranged between the edge of the second isolation plate 21 and the inner wall of the oil pipe 17, a liquid inlet pipe 22 is arranged on the right side of the upper part inside the shell 25, a return pipe 24 is arranged on the left side of the liquid inlet pipe 22, a return port 27 is arranged on the left side of the lower end of the return pipe 24, a filter plate 23 is detachably arranged on the upper end of the liquid inlet pipe 22, the well washing assembly comprises a driving motor 19, Threaded rod 12, thread bush 13, connecting block 14 and cleaning head, driving motor 19 sets up the top at second division board 21, the upper end of threaded rod 12 passes second division board 21 and is connected with driving motor 19, be provided with first bearing 18 between threaded rod 12 and the second division board 21, the lower extreme and the second bearing 10 of threaded rod 12 are connected, thread bush 13 threaded connection is on threaded rod 12, the cleaning head utilizes connecting block 14 to be connected with thread bush 13, wherein, cleaning head comprises circular arc cleaning disc 16 and a plurality of steel brush 15 that cleans, circular arc cleaning disc 16 inner wall is connected with connecting block 14, the outer wall is provided with a plurality of steel brush 15 that cleans.
In the above, two groups of well washing components are arranged; a motor box 20 is arranged outside the driving motor 19; a bearing shell 11 is arranged outside the second bearing 10; the first isolation plate 31 is fixedly connected with the shell 25 through a screw 30; the top of the first partition plate 31 is provided with a gasket.
When the sealed well washing device for the oil-water well is used, the driving motor 19 is started, the driving motor 19 drives the threaded rod 12 to rotate, the threaded sleeve 13 which is in threaded connection with the threaded rod 12 moves up and down relative to the threaded rod 12 at the moment, so that the cleaning head which is connected with the threaded sleeve 13 through the connecting block 14 is driven to move up and down relative to the threaded rod 12, well washing liquid enters the shell 25 from the liquid inlet pipe 22 and is sprayed out from the nozzle 28, the oil pipe 17 is cleaned, and cleaning waste liquid flows out from the return pipe 24 until the cleaning is finished.
Claims (7)
1. The utility model provides a sealed well washing device of oil-water well, includes oil pipe (17) and airtight well washing structure, and airtight well washing structure sets up inside oil pipe (17), its characterized in that, airtight well washing structure includes casing (25), first division board (31), second division board (21) and well washing subassembly, be equipped with 8-12 nozzle (28) on casing (25) outer wall, casing (25) set up the top of first division board (31), the border of first division board (31) with be equipped with first sealing washer (29) between oil pipe (17) inner wall, second division board (21) cover is established the upper portion of casing (25) lateral wall, the border of second division board (21) with be equipped with second sealing washer (26) between oil pipe (17) inner wall, upper portion right side in casing (25) is provided with feed liquor pipe (22), a return pipe (24) is arranged on the left side of the liquid inlet pipe (22), a return port (27) is arranged on the left side of the lower end of the return pipe (24), the upper end of the liquid inlet pipe (22) is detachably provided with a filter plate (23), the well washing component comprises a driving motor (19), a threaded rod (12), a threaded sleeve (13), a connecting block (14) and a cleaning head, the driving motor (19) is arranged on the top of the second isolation plate (21), the upper end of the threaded rod (12) passes through the second isolation plate (21) to be connected with the driving motor (19), a first bearing (18) is arranged between the threaded rod (12) and the second isolation plate (21), the lower end of the threaded rod (12) is connected with the second bearing (10), the threaded sleeve (13) is in threaded connection with the threaded rod (12), the cleaning head is connected with the threaded sleeve (13) by the connecting block (14).
2. The sealed well washing device for oil-water wells as claimed in claim 1, wherein the well washing assembly is provided in two sets.
3. The well cleaning device for the oil-water well sealing according to claim 1, characterized in that the cleaning head comprises a circular arc-shaped cleaning disc (16) and a plurality of cleaning steel brushes (15), the inner wall of the circular arc-shaped cleaning disc (16) is connected with the connecting block (14), and the outer wall of the circular arc-shaped cleaning disc is provided with the plurality of cleaning steel brushes (15).
4. An oil-water well sealing and washing device as claimed in claim 1, wherein the driving motor (19) is externally provided with a motor case (20).
5. An oil-water well sealing and washing device according to claim 1, characterized in that the second bearing (10) is externally provided with a bearing housing (11).
6. An oil-water well sealing and washing device as claimed in claim 1, wherein the top of the first partition plate (31) is provided with a gasket.
7. An oil-water well sealing and flushing device according to claim 1, characterized in that the first partition plate (31) is fixedly connected to the housing (25) by means of screws (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122229192.1U CN215949436U (en) | 2021-09-15 | 2021-09-15 | Sealed well washing device for oil-water well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122229192.1U CN215949436U (en) | 2021-09-15 | 2021-09-15 | Sealed well washing device for oil-water well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215949436U true CN215949436U (en) | 2022-03-04 |
Family
ID=80429935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122229192.1U Active CN215949436U (en) | 2021-09-15 | 2021-09-15 | Sealed well washing device for oil-water well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215949436U (en) |
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2021
- 2021-09-15 CN CN202122229192.1U patent/CN215949436U/en active Active
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