Soaking structure for oil field casing cleaning

Abstract

The utility model provides a soaking structure for oil field casing cleaning, relates to the technical field of oil field casing cleaning, and solves the problems that when the outer surface of an oil field casing is cleaned, oil stains on the surface of the oil field casing cannot be well removed, and the service life of the oil field casing is prolonged. The device comprises a cleaning and soaking box, and supporting legs are connected to the four corners of the cleaning and soaking bottom in a bolted mode, so that high-pressure gas of the cleaning and soaking box conducts aeration treatment on cleaning and soaking liquid in the cleaning and soaking box and the oil field casing through aeration holes formed in the surface of a rotating shaft pipe; according to the oil field casing cleaning device, oil dirt on the surface of an oil field casing can be quickly decomposed, the oil dirt on the oil field casing can be better removed, then the oil field casing is subsequently taken out and washed, the quality of the cleaned oil field casing is guaranteed, and use is facilitated.

Description

Technical Field

[0001] The utility model specifically relates to the technical field of oilfield casing cleaning, in particular to an immersion structure for oilfield casing cleaning and equipment for setting the device. Background Art

[0002] Oil casing is a steel pipe used to support the wellbore of oil and gas wells to ensure the normal operation of the entire oil well during the drilling process and after completion. Each well uses several layers of casing according to different drilling depths and geological conditions. Casing can be divided into: guide tube, surface casing, technical casing and oil layer casing according to its usage.

[0003] The applicant has found that when cleaning the outer surface of existing oilfield casing, it is usually directly flushed by machine or brushed manually, resulting in the inability to remove the oil stains on the surface of the oilfield casing well, thereby resulting in poor quality of the oilfield casing after cleaning. Therefore, an immersion structure for cleaning oilfield casing is proposed to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to provide an immersion structure for cleaning oilfield casing and equipment for setting the device, so as to solve the technical problem that the oilfield casing in the prior art is usually directly flushed by machine or manually brushed when cleaning the outer surface, resulting in the oil stain on the surface of the oilfield casing not being well removed, thus resulting in poor quality of the oilfield casing after cleaning. The preferred technical solution among the many technical solutions provided by the utility model can produce many technical effects (A, B, C) as described below.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: preferably, the immersion structure for cleaning oilfield casing provided by the utility model comprises a cleaning immersion box, the four corners of the bottom of the cleaning immersion box are bolted with legs, the bottom of the cleaning immersion box is connected to a drain valve, a rotating brush assembly is arranged inside the cleaning immersion box, an aeration assembly is arranged on the right side of the cleaning immersion box, and the left side of the aeration assembly is connected to the right side of the rotating brush assembly;

[0006] The rotating brush assembly includes a motor, a rotating shaft tube and an aeration hole, the motor is bolted to the left side of the cleaning soaking box, the output end of the motor passes through the left side of the cleaning soaking box, the left side of the rotating shaft tube is bolted to the output end of the motor, the right side of the rotating shaft tube is rotatably connected to the right side inside the cleaning soaking box, the surface of the rotating shaft tube is provided with cleaning burrs, and the right side of the rotating shaft tube passes through the right side inside the cleaning soaking box;

[0007] The aeration assembly includes a rotating sleeve, a one-way air intake valve, a multi-way pipe and an air connecting pipe. The rotating sleeve is rotatably connected to and connected to the right side of the rotating shaft tube, the one-way air intake valve is connected to the right side of the rotating sleeve, the multi-way pipe is connected to the right side of the one-way air intake valve, and the air connecting pipe is connected to the right side of the multi-way pipe.

[0008] Preferably, a base is welded to the bottom of the leg, and fixing holes are provided at four corners of the top of the base;

[0009] Preferably, a reinforcement pad is bonded to the bottom of the base, and the reinforcement pad is made of rubber material;

[0010] Preferably, a reinforcement net is fixedly connected to the middle of the cleaning and soaking box, and the reinforcement net is located at the bottom of the rotating shaft tube;

[0011] Preferably, the front sides of both sides of the bottom of the cleaning and soaking box are bolted with support rods, the front sides of the support rods are fixedly connected with a bearing frame, a filter frame is placed inside the bearing frame, and the filter frame is located at the bottom of the drain valve;

[0012] Preferably, handles are bolted to both sides of the top of the filter frame, and the front and rear sides of the handles are both arc-shaped;

[0013] Preferably, the surface of the handle is provided with anti-skid patterns, and the anti-skid patterns are in the shape of lines.

[0014] Based on the above technical scheme, this embodiment can at least produce the following technical effects: by setting a cleaning soaking box, a support leg, a drain valve, a rotating brush assembly and an aeration assembly, when cleaning the outer surface of the oilfield casing, a cleaning soaking liquid used to remove oil stains is added to the inside of the cleaning soaking box, and then the oilfield casing is placed in batches on the rotating shaft tube inside the cleaning soaking box, so that the cleaning soaking liquid soaks the oil stains on the outer surface of the oilfield casing, and at the same time, the motor located on the left side of the cleaning soaking box is started to drive the rotating shaft tube inside the cleaning soaking box to rotate in the same direction, so that the rotating shaft tube drives the oilfield casing located on its surface to rotate, so that the rotating shaft tube The cleaning burrs on the surface of the shaft tube are combined with the cleaning soaking liquid to soak and scrub the oil stains on the outer surface of the oilfield casing, and the compressed air is simultaneously input into the multi-way tube through the air connecting pipe, and then transported to the rotating sleeve connected with the rotating shaft tube through the one-way air inlet valve by the multi-way tube, so that the high-pressure gas passes through the aeration holes on the surface of the rotating shaft tube to aerate the cleaning soaking liquid and the oilfield casing in the cleaning soaking box, so as to accelerate the decomposition of the oil stains on the surface of the oilfield casing, thereby better realizing the removal of the oil stains on the oilfield casing, and then the oilfield casing is taken out and rinsed, so as to ensure the quality of the oilfield casing after cleaning, which is convenient for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is the overall structural diagram of the immersion structure for cleaning oilfield casing of the utility model;

[0017] Figure 2 It is a structural schematic diagram of the cleaning and soaking box in the utility model;

[0018] Figure 3 It is a structural schematic diagram of the transfer brush assembly of the utility model;

[0019] Figure 4 It is a structural schematic diagram of the aeration component in the utility model;

[0020] Figure 5 It is a structural schematic diagram of the bearing frame in the utility model.

[0021] In the figure, 1, cleaning soaking box; 2, supporting legs; 3, drain valve; 4, rotating brush assembly; 401, motor; 402, rotating shaft tube; 403, aeration hole; 5, aeration assembly; 501, rotating sleeve; 502, one-way air inlet valve; 503, multi-way pipe; 504, air connecting pipe; 6, base; 7, reinforcement net; 8, support rod; 9, bearing frame; 10, filter frame; 11, handle. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0023] like Figure 1-Figure 5As shown: it includes a cleaning soaking box 1, the four corners of the cleaning soaking bottom are bolted with legs 2, the bottom of the cleaning soaking box 1 is connected with a drain valve 3, a rotating brush assembly 4 is arranged inside the cleaning soaking box 1, an aeration assembly 5 is arranged on the right side of the cleaning soaking box 1, the left side of the aeration assembly 5 is connected with the right side of the rotating brush assembly 4, the rotating brush assembly 4 includes a motor 401, a rotating shaft tube 402 and an aeration hole 403, the motor 401 is bolted to the left side of the cleaning soaking box 1, the output end of the motor 401 passes through the left side of the cleaning soaking box 1, and the left side of the rotating shaft tube 402 is bolted to the output end of the motor 401 Then, the right side of the rotating shaft tube 402 is rotatably connected to the right side of the inside of the cleaning soaking box 1, and the surface of the rotating shaft tube 402 is provided with cleaning burrs. The right side of the rotating shaft tube 402 passes through the right side of the inside of the cleaning soaking box 1. The aeration component 5 includes a rotating sleeve 501, a one-way air intake valve 502, a multi-way pipe 503 and an air connecting pipe 504. The rotating sleeve 501 is rotatably connected to the right side of the rotating shaft tube 402 and is connected. The one-way air intake valve 502 is connected to the right side of the rotating sleeve 501, the multi-way pipe 503 is connected to the right side of the one-way air intake valve 502, and the air connecting pipe 504 is connected to the right side of the multi-way pipe 503. By setting up a cleaning soaking box 1, a support leg 2, a drain valve 3, a rotating brush assembly 4 and an aeration assembly 5, when cleaning the outer surface of the oilfield casing, the cleaning soaking liquid used to remove oil stains is added into the cleaning soaking box 1, and then the oilfield casings are placed in batches on the rotating shaft tube 402 inside the cleaning soaking box 1, so that the cleaning soaking liquid soaks the oil stains on the outer surface of the oilfield casing, and at the same time, the motor 401 located on the left side of the cleaning soaking box 1 is started to drive the rotating shaft tube 402 inside the cleaning soaking box 1 to rotate in the same direction, so that the rotating shaft tube 402 drives the oilfield casing on its surface to rotate, so that the cleaning burrs on the surface of the rotating shaft tube 402 are cleaned in coordination. The soaking liquid is used to soak and scrub the oil stains on the outer surface of the oilfield casing, and the compressed air is simultaneously input into the multi-way pipe 503 through the air connecting pipe 504, and then transported to the rotating sleeve 501 connected with the rotating shaft pipe 402 through the one-way air inlet valve 502 by the multi-way pipe 503, so that the high-pressure gas passes through the aeration holes 403 opened on the surface of the rotating shaft pipe 402 to aerate the cleaning soaking box 1 and the oilfield casing, so as to accelerate the decomposition of the oil stains on the surface of the oilfield casing, thereby better realizing the removal of the oil stains on the oilfield casing, and then the oilfield casing is taken out and rinsed, so as to ensure the quality of the oilfield casing after cleaning, so as to facilitate its use.

[0024] As an optional implementation, a base 6 is welded to the bottom of the leg 2, and fixing holes are opened at the four corners of the top of the base 6. By setting the base 6, the contact area between the leg 2 and the ground can be increased, so as to increase the firmness of the leg 2 supporting the cleaning soaking box 1, which is convenient for use.

[0025] As an optional implementation, a reinforcement pad is bonded to the bottom of the base 6, and the reinforcement pad is made of rubber material. By bonding the reinforcement pad made of rubber material to the bottom of the base 6, the stability and firmness of the reinforcement pad when in contact with the ground can be further increased, which is convenient for use.

[0026] As an optional implementation, a reinforcement net 7 is fixedly connected in the middle of the cleaning and soaking box 1, and the reinforcement net 7 is located at the bottom of the rotating shaft tube 402. By setting the reinforcement net 7, the rotating shaft tube 402 can be reinforced and supported to facilitate use.

[0027] As an optional implementation, the front sides of both sides of the bottom of the cleaning soaking box 1 are bolted with support rods 8, the front sides of the support rods 8 are fixedly connected with a supporting frame 9, a filter frame 10 is placed inside the supporting frame 9, and the filter frame 10 is located at the bottom of the drain valve 3. By arranging the support rods 8, the supporting frame 9 and the filter frame 10, it is possible to filter the sewage discharged through the drain valve 3, thereby collecting the oil residue inside the sewage for easy use.

[0028] As an optional implementation, handles 11 are bolted on both sides of the top of the filter frame 10, and the front and rear sides of the handles 11 are both arc-shaped. By providing the handles 11, it is convenient for users to take out and clean the filter frame 10, which is convenient for use.

[0029] As an optional implementation, the handle 11 has anti-skid patterns on its surface, and the anti-skid patterns are in line shape. By providing anti-skid patterns in line shape on the handle 11, the anti-skid performance of the handle 11 surface can be further increased, so as to facilitate the use of the user.

[0030] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. An immersion structure for cleaning oilfield casing, characterized in that: The cleaning and soaking tank comprises a cleaning and soaking tank (1), wherein four corners of the cleaning and soaking bottom are bolted with legs (2), the bottom of the cleaning and soaking tank (1) is connected to a sewage discharge valve (3), a rotating brush assembly (4) is arranged inside the cleaning and soaking tank (1), an aeration assembly (5) is arranged on the right side of the cleaning and soaking tank (1), and the left side of the aeration assembly (5) is connected to the right side of the rotating brush assembly (4); The rotating brush assembly (4) comprises a motor (401), a rotating shaft tube (402) and an aeration hole (403); the motor (401) is bolted to the left side of the cleaning soaking box (1); the output end of the motor (401) passes through the left side of the cleaning soaking box (1); the left side of the rotating shaft tube (402) is bolted to the output end of the motor (401); the right side of the rotating shaft tube (402) is rotatably connected to the right side inside the cleaning soaking box (1); the surface of the rotating shaft tube (402) is provided with cleaning burrs; and the right side of the rotating shaft tube (402) passes through the right side inside the cleaning soaking box (1); The aeration assembly (5) comprises a rotating sleeve (501), a one-way air inlet valve (502), a multi-way pipe (503) and an air connection pipe (504); the rotating sleeve (501) is rotatably connected to and communicated with the right side of the rotating shaft pipe (402); the one-way air inlet valve (502) is communicated with the right side of the rotating sleeve (501); the multi-way pipe (503) is communicated with the right side of the one-way air inlet valve (502); and the air connection pipe (504) is communicated with the right side of the multi-way pipe (503).

2. The immersion structure for cleaning oilfield casing according to claim 1, characterized in that: Also includes: A base (6) is welded to the bottom of the supporting leg (2), and fixing holes are provided at four corners of the top of the base (6).

3. The immersion structure for cleaning oilfield casing according to claim 2, characterized in that: Also includes: A reinforcement pad is bonded to the bottom of the base (6), and the reinforcement pad is made of rubber material.

4. The immersion structure for cleaning oilfield casing according to claim 1, characterized in that: Also includes: A reinforcement net (7) is fixedly connected to the middle of the cleaning and soaking box (1), and the reinforcement net (7) is located at the bottom of the rotating shaft tube (402).

5. The immersion structure for cleaning oilfield casing according to claim 1, characterized in that: Also includes: Support rods (8) are bolted to the front sides of both sides of the bottom of the cleaning and soaking box (1), and a supporting frame (9) is fixedly connected to the front side of the support rods (8). A filter frame (10) is placed inside the supporting frame (9), and the filter frame (10) is located at the bottom of the sewage valve (3).

6. The immersion structure for cleaning oilfield casing according to claim 5, characterized in that: Also includes: Both sides of the top of the filter frame (10) are bolted with handles (11), and the front and rear sides of the handles (11) are both arc-shaped.

7. The immersion structure for cleaning oilfield casing according to claim 6, characterized in that: Also includes: The surface of the handle (11) is provided with anti-skid patterns, and the anti-skid patterns are in the shape of lines.

Images