CN213807604U

CN213807604U - Well washing device for oil exploitation

Info

Publication number: CN213807604U
Application number: CN202021968575.XU
Authority: CN
Inventors: 钟军
Original assignee: Jianghan Oilfield Tianfang Machinery Qianjiang Co ltd
Current assignee: Jianghan Oilfield Tianfang Machinery Qianjiang Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-07-27
Anticipated expiration: 2030-09-10

Abstract

The utility model relates to a well washing device for oil exploitation, which comprises an oil well, wherein a well washing pipe is arranged inside the oil well, a through hole is arranged on the surface of the well washing pipe, a piston is arranged inside the well washing pipe, a flushing pipe is arranged on the piston in a penetrating way and extends to the lower part of the piston, a high-pressure spray head is rotatably connected to the bottom of the flushing pipe, and a nozzle is arranged on the side wall of the high-pressure spray head, compared with the prior art, the oil well washing mainly achieves the washing effect by the water pressure caused by the piston, has poor washing effect on the attached tough-to-be dirty, and can not wash the dirty on the pipe wall, thereby affecting the washing effect and further affecting the oil exploitation, in the process of piston impact, the high-pressure spray head rotates and washes while forming rotary high-pressure washing water flow, combines the washing and the washing, and can effectively remove the dirty attached to the inner wall of the oil well and the inner wall of the well washing pipe, the cleaning effect of the well washing device is greatly improved.

Description

Well washing device for oil exploitation

Technical Field

The utility model relates to an oil development equipment technical field specifically is a well-flushing device is adopted in oil exploitation.

Background

The well washing is a process that in the process of well repairing operation, well washing medium is injected by pumping equipment through a shaft or a drill rod and substances (liquid phase, solid phase and gas phase) in the shaft are carried to the ground so as to change the property of the medium in the shaft and meet the operation requirement.

The well washing work of the oil well is an important part in the oil exploitation link, the effect of the well washing has great influence on the oil production, the well washing work is one of the important works of daily maintenance of oil exploitation teams, and the well washing work is needed in order to clean dead oil and dirt in the oil well.

The mode of current oil well-flushing is mostly washd through the piston well-flushing method, the piston is at intraductal up-and-down motion, cause instantaneous local negative pressure and violent hydraulic shock repeatedly, destroy the wall of a well through the strainer hole and remain the mud skin, thick mud and partial fine sand in gravel layer and the aquifer outside the suction outlet pipe, moreover, the cost is low, high durability and convenient use, but, this kind of well-flushing mode mainly causes water pressure to reach scrubbing's effect through the piston, to adhering to tough and strong dirt, the cleaning performance is poor, and can't wash the dirt of pipe wall, thereby the abluent effect has been influenced, and then the exploitation of influence oil, greatly reduced well-flushing device's result of use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an oil development is with well-flushing device to solve prior art, oil well-flushing mainly causes water pressure to reach scrubbing's effect through the piston, to adhering to stubborn strong dirty, the cleaning performance is poor, and can't wash to the dirty of pipe wall, thereby influenced abluent effect, and then influenced the problem of the exploitation of oil.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oil development is with well washing device, includes the oil well, the inside of oil well is equipped with washes the well pipe, the through-hole has been seted up on the surface of washing the well pipe, the inside of washing the well pipe is equipped with the piston, the flushing pipe is worn to be equipped with by the piston, the flushing pipe extends to the below of piston, the bottom of flushing pipe is rotated and is connected with high pressure nozzle, high pressure nozzle's lateral wall is equipped with the nozzle, the top of flushing pipe is equipped with the inlet tube, the end of inlet tube is equipped with the water storage box, the top of inlet tube is equipped with lifting unit.

Preferably, the through-hole is equipped with a plurality of, a plurality of the through-hole is equidistance circumference array distribution.

Preferably, the nozzle is provided with a plurality of nozzles, and a plurality of nozzles are located same horizontal plane, and are circumference equidistance distribution.

Preferably, the lifting assembly comprises a support, a winding roll is arranged on one side of the support, a cable is arranged on the winding roll, and the cable penetrates through the support and is connected with the top of the flushing pipe.

Preferably, a rotating handle is arranged on one side of the winding roll.

Preferably, the bottom of the well washing pipe is processed with an inverted conical surface.

The utility model discloses possess following beneficial effect at least:

the piston is driven to move by the lifting component, the piston moves along the inside of the well washing pipe to generate water pressure, residual mud skin on the inner wall of the oil well is damaged by the through hole on the well washing pipe, the high-pressure spray head rotates by impacting the inclined gasket inside the high-pressure spray head through high-pressure water flow in the flushing pipe, compared with the prior art, the oil well washing mainly achieves the washing effect through water pressure caused by a piston, has poor cleaning effect on hard-to-adhere dirt and can not clean the dirt on the pipe wall, thereby affecting the cleaning effect, and then influence the problem of the exploitation of oil, in this scheme, the in-process of piston impact, high pressure nozzle washes while rotating, forms rotatory high pressure and washes the rivers, will scrub and wash and combine together, can effectively get rid of the dirt that adheres to oil well inner wall and well-flushing pipe inner wall, has improved well-flushing device's cleaning performance greatly.

Drawings

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

FIG. 2 is an enlarged view of the structure at position A in FIG. 1;

fig. 3 is an enlarged schematic view of the structure at position B in fig. 1.

In the reference symbols: 1. an oil well; 2. washing the well pipe; 3. a through hole; 4. a flush tube; 5. a piston; 6. a high pressure spray head; 7. a nozzle; 8. a water storage tank; 9. a water inlet pipe; 10. a lifting assembly; 11. an inverted conical surface; 101. a support; 102. a cable; 103. a winding roll.

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 efforts belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides a technical solution: a well washing device for oil exploitation comprises an oil well 1, a well washing pipe 2 is arranged inside the oil well 1, a through hole 3 is formed in the surface of the well washing pipe 2, a piston 5 is arranged inside the well washing pipe 2, specifically, the piston 5 is in sliding connection with the well washing pipe 2, a flushing pipe 4 penetrates through the piston 5, specifically, the piston 5 is fixedly connected with the flushing pipe 4, the flushing pipe 4 extends to the lower portion of the piston 5, a high-pressure spray head 6 is rotatably connected to the bottom of the flushing pipe 4, a nozzle 7 is arranged on the side wall of the high-pressure spray head 6, specifically, an inclined gasket is arranged inside the high-pressure spray head 6, the high-pressure spray head 6 is rotated by a water pressure impact gasket in the flushing pipe 4, a water inlet pipe 9 is arranged at the top of the flushing pipe 4, specifically, the water inlet pipe 9 is fixedly connected with the flushing pipe 4 and communicated with the flushing pipe, a water storage tank 8 is arranged at the tail end of the water inlet pipe 9, specifically, the water inlet pipe 9 is fixedly connected with the water storage tank 8, and communicated with each other, and the top of the water inlet pipe 9 is provided with a lifting component 10.

Wherein, through-hole 3 is equipped with a plurality of, and a plurality of through-hole 3 is equidistance circumference array distribution, makes things convenient for rivers to flow more evenly for wash more evenly.

Wherein, nozzle 7 is equipped with a plurality of, and a plurality of nozzle 7 is located same horizontal plane, and is circumference equidistance and distributes, makes things convenient for high pressure nozzle 6 to rotate, and makes the rivers that wash more even.

Wherein, lifting unit 10 includes support 101, one side of support 101 is equipped with take-up reel 103, and is concrete, take-up reel 103 and support 101 fixed connection, and take-up reel 103 is equipped with hawser 102, and concrete hawser 102's tip and take-up reel 103 fixed connection, hawser 102 winding is on take-up reel 103, and hawser 102 wears to locate support 101 to be connected with the top of flushing pipe 4, and is concrete, and hawser 102 is detained at the top of flushing pipe 4, conveniently receive and release hawser 102 through take-up reel 103, makes flushing pipe 4 reciprocate, drives piston 5 and removes, washs.

Wherein, one side of the winding roll 103 is provided with a rotating handle, which is convenient for rotating the winding roll 103 through the rotating handle.

Wherein, the bottom processing of well-flushing pipe 2 has back taper 11, conveniently carries on spacingly to the removal of piston 5, is convenient for protect high pressure nozzle 6.

The working principle is as follows:

the winding roll 103 is driven to rotate by rotating the rotating handle, the winding roll 103 rotates to wind and unwind the cable 102, the cable 102 slides along the support 101 to drive the flushing pipe 4 to move, the flushing pipe 4 moves to drive the piston 5 to move, the piston 5 moves along the inner wall of the flushing pipe 2 to generate water pressure to drive, instantaneous local negative pressure and violent hydraulic impact are caused, the residual mud skin on the inner wall of the oil well 1 is damaged through the through hole 3, so that the dirt outside the well washing pipe 2 is pumped out, meanwhile, in the moving process of the flushing pipe 4, the high-pressure spray head 6 is driven to move, water in the water storage tank 8 enters the flushing pipe 4 through the water inlet pipe 9 to form high pressure, an inclined gasket in the high-pressure spray head 6 is impacted, the high-pressure nozzle 6 is rotated, and the high-pressure nozzle 6 is washed by the nozzle 7 while rotating, so that the inner wall of the well washing pipe 2 and the inner wall of the oil well 1 are further washed.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

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 well-flushing device for oil development, its characterized in that, includes oil well (1), the inside of oil well (1) is equipped with washes well pipe (2), wash the surface of well pipe (2) and seted up through-hole (3), the inside of washing well pipe (2) is equipped with piston (5), flushing pipe (4) are worn to be equipped with by piston (5), flushing pipe (4) extend to the below of piston (5), the bottom of flushing pipe (4) is rotated and is connected with high pressure nozzle (6), the lateral wall of high pressure nozzle (6) is equipped with nozzle (7), the top of flushing pipe (4) is equipped with inlet tube (9), the end of inlet tube (9) is equipped with water storage box (8), the top of inlet tube (9) is equipped with lifting unit (10).

2. The well washing device for oil exploitation according to claim 1, wherein: through-hole (3) are equipped with a plurality of, a plurality of through-hole (3) are equidistance circumference array distribution.

3. The well washing device for oil exploitation according to claim 1, wherein: the nozzle (7) is provided with a plurality of nozzles, a plurality of the nozzles (7) are positioned in the same horizontal plane and are distributed at equal intervals on the circumference.

4. The well washing device for oil exploitation according to claim 1, wherein: the lifting assembly (10) comprises a support (101), a winding roll (103) is arranged on one side of the support (101), a cable (102) is arranged on the winding roll (103), and the cable (102) penetrates through the support (101) and is connected with the top of the flushing pipe (4).

5. The well washing device for oil exploitation according to claim 4, wherein: one side of the winding roll (103) is provided with a rotating handle.

6. The well washing device for oil exploitation according to claim 1, wherein: and an inverted conical surface (11) is processed at the bottom of the well washing pipe (2).