CN213360055U

CN213360055U - Airtight well washing device of high pressure water injection well

Info

Publication number: CN213360055U
Application number: CN202022453652.4U
Authority: CN
Inventors: 高献东; 周强; 许娟莉; 施长林; 郭琦
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-06-04
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a high-pressure water injection well closed well-flushing device, which comprises a first plate body, wherein the upper surface of the first plate body is provided with an oil well pump, the oil inlet of the oil well pump is communicated with a first oil pumping pipe, the oil outlet of the oil well pump is communicated with an oil outlet pipe, one end of the first oil pumping pipe is communicated with a first shell, the inner side wall of the first shell is fixedly connected with a second plate body, the upper surface of the second plate body is provided with a first through groove, in the using process of the device, the flow of oil liquid drives a blade to rotate, thereby leading silt into the second shell, being convenient for collecting the silt generated by well-flushing, thereby improving the well-flushing effect of an oil well, simultaneously preventing the silt from blocking a filter screen, being beneficial to the well-flushing use of the oil well, and after the device is used, being convenient for clearing the interiors of the first shell and the second shell by taking down a third oil pumping pipe and a cover plate, prevent that silt from causing corrosion damage to this device to improve the life of this device.

Description

Airtight well washing device of high pressure water injection well

Technical Field

The utility model relates to a well-flushing equipment technical field specifically is an airtight well-flushing device of high pressure water injection well.

Background

An oil well is a borehole drilled by a well placement system planned for the development of an oil field for the exploitation of oil, which rises from the bottom of the well to the top of the well. An oil well is a borehole drilled by a drilling method. After drilling oil layer, the oil layer casing is set, and the cement is injected into the annular space between casing and well wall to maintain well wall and seal oil, gas and water layer. In the production of thick oil, wax deposition and deep pumping oil wells, the normal production of the oil wells can be maintained only by frequently carrying out hot water circulation well washing on the oil well pumps and oil pipes on the oil well pumps. The well flushing method is that hot water is pumped from the casing and the hot water is mixed with well liquid under the oil pump and returned from the oil pipe of the oil pump.

The airtight well washing device of current high pressure water injection well, at the in-process that uses, be not convenient for collect the silt that the well washing produced, there is the sand leakage phenomenon, reduce the well washing effect to the oil well, silt causes the jam to well washing equipment easily simultaneously, be unfavorable for the well washing of oil well to use, and well washing equipment uses the back, be not convenient for clear up well washing equipment, lead to remaining silt in the well washing equipment to cause corrosion damage to well washing equipment easily, reduce the life of well washing equipment, therefore, the airtight well washing device of high pressure water injection well is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a airtight well-flushing device of high pressure water injection well to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sealed well-flushing device of high pressure water injection well, includes first plate body, the last surface mounting of first plate body has the oil-well pump, the oil inlet intercommunication of oil-well pump has first oil pipe of taking out, the oil-out intercommunication of oil-well pump has an oil pipe, first oil pipe's one end intercommunication has first casing of taking out, the inside wall fixedly connected with second plate body of first casing, first logical groove has been seted up to the upper surface of second plate body, the inside wall fixedly connected with filter screen of first logical groove, the lateral wall welding of first casing has the second casing, the lower surface intercommunication of second casing has the second to take out oil pipe, the logical groove of second has all been seted up all around to the lateral wall of first casing, the inside wall that the logical groove of second passes through the bearing rotation and is connected with the body of rod, the lateral wall symmetric.

As further preferable in the present technical solution: and the inner side wall of the second oil pumping pipe is in threaded connection with a third oil pumping pipe, and the outer side wall of the third oil pumping pipe is provided with a one-way valve.

As further preferable in the present technical solution: the lower surface of the second shell is symmetrically communicated with two sewage discharge pipes, and the bottom of each sewage discharge pipe is in threaded connection with a cover plate.

As further preferable in the present technical solution: four supporting plates are symmetrically welded to the lower surface of the first plate body, and a bottom plate is welded to the bottom of each supporting plate.

As further preferable in the present technical solution: bolts are connected to the upper surfaces of the four bottom plates in a threaded mode, and one ends of the bolts penetrate through the bottom plates.

As further preferable in the present technical solution: the front surface of the second shell is provided with a third through groove, and the inner side wall of the third through groove is fixedly connected with a third plate body.

Compared with the prior art, the beneficial effects of the utility model are that: in the in-process that this device used, through the flow of fluid, it rotates to drive the blade, thereby bring silt into the second casing, be convenient for collect the silt that the well-flushing produced, thereby improve the well-flushing effect to the oil well, prevent simultaneously that silt from causing the jam to the filter screen, do benefit to the well-flushing use of oil well, and this device uses the back, through taking off oil pipe and apron with the third, be convenient for clear up the inside of first casing and second casing, prevent that silt from causing corrosion damage to this device, thereby improve the life of this device.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the first housing of the present invention;

fig. 3 is a schematic structural diagram of the second housing of the present invention.

In the figure: 1. a first plate body; 2. an oil well pump; 3. a first oil pumping pipe; 4. an oil outlet pipe; 5. a first housing; 6. a second plate body; 7. a first through groove; 8. a filter screen; 9. a second housing; 10. a second oil pumping pipe; 11. a second through groove; 12. a bearing; 13. a rod body; 14. a blade; 15. a third oil pumping pipe; 16. a one-way valve; 17. a blow-off pipe; 18. a cover plate; 19. a support plate; 20. a base plate; 21. a bolt; 22. a third through groove; 23. a third plate body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a sealed well-flushing device of high pressure water injection well, including first plate body 1, the last surface mounting of first plate body 1 has oil-well pump 2, the oil inlet intercommunication of oil-well pump 2 has first oil pipe 3 of taking out, the oil-out intercommunication of oil-well pump 2 has oil pipe 4, the first one end intercommunication of taking out oil pipe 3 has first casing 5, the inside wall fixedly connected with second plate body 6 of first casing 5, first logical groove 7 has been seted up to the upper surface of second plate body 6, the inside wall fixedly connected with filter screen 8 of first logical groove 7, the welding of the lateral wall of first casing 5 has second casing 9, the lower surface intercommunication of second casing 9 has second oil pipe 10 of taking out, second through groove 11 has all been seted up all around the lateral wall of first casing 5, the inside wall of second through groove 11 rotates through bearing 12 and is connected with body of rod 13, the outside wall symmetric welding.

In this embodiment, specifically: the inner side wall of the second oil pumping pipe 10 is in threaded connection with a third oil pumping pipe 15, and the outer side wall of the third oil pumping pipe 15 is provided with a one-way valve 16; through the setting of third oil extraction pipe 15, carry fluid to second oil extraction pipe 10 in, and third oil extraction pipe 15 and second oil extraction pipe 10 threaded connection's setting, be convenient for take off third oil extraction pipe 15, through the setting of check valve 16, prevent that silt from flowing out from first casing 5, avoid producing the condition of leaking husky.

In this embodiment, specifically: the lower surface of the second shell 9 is symmetrically communicated with two sewage discharge pipes 17, and the bottom of each sewage discharge pipe 17 is in threaded connection with a cover plate 18; through the setting of blow off pipe 17, after washing the well to the oil well, take off apron 18 for the silt in the second casing 9 is convenient for discharge the silt of collecting through blow off pipe 17 outflow clearance.

In this embodiment, specifically: four supporting plates 19 are symmetrically welded on the lower surface of the first plate body 1, and bottom plates 20 are welded at the bottoms of the four supporting plates 19; through the setting of backup pad 19, support first plate body 1, through the setting of bottom plate 20, improve the stability of first plate body 1.

In this embodiment, specifically: the upper surfaces of the four bottom plates 20 are in threaded connection with bolts 21, and one ends of the bolts 21 penetrate through the bottom plates 20; through the arrangement of the bolt 21, the bolt 21 is rotated in the bottom plate 20 and inserted into the reserved mounting hole, so that the position of the bottom plate 20 is fixed.

In this embodiment, specifically: a third through groove 22 is formed in the front surface of the second shell 9, and a third plate body 23 is fixedly connected to the inner side wall of the third through groove 22; through the setting of third plate 23, the material of third plate 23 is transparent glass, is convenient for observe the inside condition in the second casing 9.

Working principle or structural principle, when in use, the device is moved to a use position, the bolt 21 is rotated in the bottom plate 20 and inserted into a reserved mounting hole to fix the position of the bottom plate 20, so that the position of the first plate body 1 is fixed, when the oil well pump 2 is used, the stability of the first plate body 1 is improved, the second shell body 9 is placed into an oil well, the length of the first oil pumping pipe 3 is adjusted according to the actual placing distance of the second shell body 9, the oil outlet pipe 4 is inserted into the oil well, the front surface of the first plate body 1 is provided with a switch for controlling the oil well pump 2 to be started and closed, the switch is connected with external mains supply to supply power to the oil well pump 2, the oil well pump 2 is started through the switch, the oil well pump 2 pumps oil through the second oil pumping pipe 10, the second oil pumping pipe 10 pumps oil through the third oil pumping pipe 15, so that oil enters the first shell body 5, then filtering through a filter screen 8, enabling silt to stay around the filter screen 8, meanwhile, enabling the oil to flow, driving a blade 14 to rotate, enabling a rod body 13 to be rotationally connected with a second through groove 11 through a bearing 12, enabling the blade 14 to rotate, enabling the silt staying around the filter screen 8 to flow into a second shell 9 through the second through groove 11, collecting the silt, meanwhile, preventing the filter screen 8 from being blocked, pumping the filtered oil into an oil outlet pipe 4 through a first oil pumping pipe 3, discharging the filtered oil into an oil well through the oil outlet pipe 4, realizing circular well washing, improving the well washing effect of the oil well, after the well washing of the oil well, taking out the second shell 9 from the oil well, then rotating a cover plate 18 on a drain pipe 17, simultaneously rotating a third oil pumping pipe 15 in the second oil pumping pipe 10, cleaning mud in the first shell 5 and the second shell 9, prevent that silt from causing corrosion damage to this device to improve the life of this device.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sealed well-flushing device of high pressure water injection well, includes first plate body (1), its characterized in that: the oil pump is characterized in that an oil well pump (2) is mounted on the upper surface of the first plate body (1), an oil inlet of the oil well pump (2) is communicated with a first oil pumping pipe (3), an oil outlet of the oil well pump (2) is communicated with an oil outlet pipe (4), one end of the first oil pumping pipe (3) is communicated with a first shell (5), the inner side wall of the first shell (5) is fixedly connected with a second plate body (6), a first through groove (7) is formed in the upper surface of the second plate body (6), a filter screen (8) is fixedly connected with the inner side wall of the first through groove (7), a second shell (9) is welded on the outer side wall of the first shell (5), a second oil pumping pipe (10) is communicated with the lower surface of the second shell (9), second through grooves (11) are formed in the periphery of the outer side wall of the first shell (5), and the inner side wall of the second through groove (11) is rotatably, four blades (14) are symmetrically welded on the outer side wall of the rod body (13).

2. The closed well washing device for the high-pressure water injection well, according to claim 1, is characterized in that: the inner side wall of the second oil pumping pipe (10) is in threaded connection with a third oil pumping pipe (15), and a one-way valve (16) is installed on the outer side wall of the third oil pumping pipe (15).

3. The closed well washing device for the high-pressure water injection well, according to claim 1, is characterized in that: the lower surface of the second shell (9) is symmetrically communicated with two sewage discharge pipes (17), and the bottom of each sewage discharge pipe (17) is in threaded connection with a cover plate (18).

4. The closed well washing device for the high-pressure water injection well, according to claim 1, is characterized in that: four supporting plates (19) are symmetrically welded on the lower surface of the first plate body (1), and a bottom plate (20) is welded at the bottom of each supporting plate (19).

5. The sealed well washing device for the high-pressure water injection well, according to claim 4, is characterized in that: bolts (21) are connected to the upper surfaces of the four bottom plates (20) in a threaded mode, and one ends of the bolts (21) penetrate through the bottom plates (20).

6. The closed well washing device for the high-pressure water injection well, according to claim 1, is characterized in that: a third through groove (22) is formed in the front surface of the second shell (9), and a third plate body (23) is fixedly connected to the inner side wall of the third through groove (22).