Artificial well wall chemical sand prevention experiment device

Abstract

The utility model relates to an artificial well wall chemical sand prevention experiment device, which belongs to the technical field of artificial well wall chemical sand prevention experiments, and comprises two transparent experiment cylinders, sealing end covers are arranged on the two transparent experiment cylinders, a filter screen is arranged between the two transparent experiment cylinders, and the two transparent experiment cylinders are connected with the filter screen. And sand pipe model separation structures are arranged on the two transparent experiment cylinders. According to the artificial well wall chemical sand prevention experiment device, by arranging a sand pipe model separation structure, an asynchronous motor is used as a driving source, and a threaded column is controlled to rotate through mechanical transmission, so that a threaded sleeve is controlled to drive a sealing ring cylinder to move upwards, and a transparent experiment cylinder at the top is driven to ascend; according to the device, the two transparent experiment barrels are automatically disassembled, so that a worker can conveniently disassemble and clean a filter screen between the two transparent experiment barrels, the labor intensity of the worker is reduced, the transparent experiment barrels are highly automatically opened, and the artificial well wall chemical sand prevention experiment process is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of artificial well wall chemical sand control experiment, concretely to a kind of artificial well wall chemical sand control experimental device. BACKGROUND

[0002] Artificial well wall chemical sand control experiment is an important means to study and evaluate the effectiveness of chemical sand control method, reservoir sand sample is cleaned, dried and sieved, impurities and particles not meeting particle size requirements are removed, and then loaded into sand pipe model according to certain particle size ratio and compaction density, according to experimental scheme, chemical sand control agent and additives are mixed in a certain proportion to prepare sand control fluid of required concentration, metering pump is used to inject sand control fluid into sand pipe model at set injection pressure and flow rate, sand pipe model after injecting sand control fluid is placed in curing equipment, and cured for a certain time under set temperature and pressure conditions, so that sand control agent is fully solidified to form artificial well wall, after curing, performance tests such as permeability test and compressive strength test are carried out on sand pipe model, and experimental data are recorded.

[0003] At present, in the prior art, sand pipe model is composed of two transparent experimental cylinders, and sealing end covers are installed on the two transparent experimental cylinders, and a filter screen is installed between the two transparent experimental cylinders, in actual experimental research process, reservoir sand sample in sand pipe model needs to be cleaned every time, especially reservoir sand sample adhered on filter screen, since filter screen is more troublesome to disassemble and assemble, labor intensity of workers is large, therefore, artificial well wall chemical sand control experimental device is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the shortcomings of the prior art, the utility model provides an artificial well wall chemical sand control experimental device, which has the advantage of facilitating quick opening of sand pipe model, and solves the problem of large labor intensity of workers in actual experimental research process, since filter screen is more troublesome to disassemble and assemble, reservoir sand sample in sand pipe model needs to be cleaned every time, especially reservoir sand sample adhered on filter screen.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: an artificial well wall chemical sand control experimental device, comprising two transparent experimental cylinders, sealing end covers are arranged on the two transparent experimental cylinders, a filter screen is arranged between the two transparent experimental cylinders, and sand pipe model separation structure is arranged on the two transparent experimental cylinders.

[0006] The sand pipe model separation structure comprises a ring-shaped bracket fixedly installed on the outer surface of the bottom transparent experimental cylinder body, a support frame fixedly installed on the top of the ring-shaped bracket and located outside the two transparent experimental cylinder bodies, a connecting induction cylinder fixedly installed on the inner bottom of the support frame and sleeved on the outer surface of the two transparent experimental cylinder bodies, the connecting induction cylinder being fixedly connected with the bottom transparent experimental cylinder body, a threaded column rotatably installed on the support frame, a threaded sleeve threadedly connected with the outer surface of the threaded column, a sealing ring cylinder fixedly installed on the top of the threaded sleeve and inserted into the connecting induction cylinder, and the sealing ring cylinder being fixedly installed on the outer surface of the top transparent experimental cylinder body.

[0007] Further, an asynchronous motor is fixedly installed on the top of the support frame, the front face of the asynchronous motor is provided with a transmission component for driving the threaded column to rotate, and the inside of the support frame is provided with a guide component for limiting the movement track of the sealing ring cylinder.

[0008] Further, the two sealing end covers are fixedly connected with the opposite sides of the two transparent experimental cylinder bodies respectively, and the filter screen is clamped between the opposite sides of the two transparent experimental cylinder bodies.

[0009] Further, a circular groove is formed in the top of the support frame, a bearing is fixedly installed in the inside of the circular groove, one end of the threaded column penetrates through the bearing and is fixedly connected with the inner peripheral wall of the bearing, and the other end of the threaded column is rotatably connected with the inner bottom wall of the support frame.

[0010] Further, the sealing ring cylinder comprises a spigot and an annular metal plate, the top of the spigot is fixedly connected with the annular metal plate, the inner walls of the spigot and the annular metal plate are fixedly connected with the outer surface of the top transparent experimental cylinder body respectively, and the spigot is matched in size with the connecting induction cylinder.

[0011] Further, the guide component comprises a guide rod and a guide block, the guide rod is fixedly installed between the inner top wall and the inner bottom wall of the support frame, the guide block is fixedly connected with the right side of the sealing ring cylinder, and the guide block is slidingly installed on the outer surface of the guide rod.

[0012] Further, the transmission component comprises two bevel gears, the outer surfaces of the two bevel gears are engaged with each other, the two bevel gears are fixedly installed on the outer surfaces of the output shaft of the asynchronous motor and the threaded column respectively, and a pressure sensor electrically connected with the asynchronous motor is fixedly installed on the connecting induction cylinder.

[0013] Compared with the prior art, the technical scheme has the following beneficial effects:

[0014] The artificial well wall chemical sand prevention experimental device, through the sand pipe model separation structure, realizes the use of an asynchronous motor as a driving source and the mechanical transmission control of the threaded column rotation, thereby controlling the threaded sleeve to drive the sealing ring cylinder to move upwards, driving the transparent experimental cylinder body at the top to ascend, thereby realizing the automatic disassembly of the two transparent experimental cylinder bodies, facilitating the workers to disassemble and clean the filter screen between the two transparent experimental cylinder bodies, thereby reducing the labor intensity of the workers, realizing the highly automatic opening of the transparent experimental cylinder body, thereby improving the artificial well wall chemical sand prevention experimental process, and enhancing the practicality of the artificial well wall chemical sand prevention experimental device. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the utility model Figure 1 It is an enlarged view of A in the utility model structure;

[0017] Figure 3 It is a perspective view of the utility model structure connecting the induction cylinder, the sealing ring cylinder, the connecting block and the guide component.

[0018] In the figure: 1, transparent experimental cylinder body; 2, sealing end cover; 3, filter screen; 41, annular bracket; 42, support frame; 43, connecting induction cylinder; 44, threaded column; 45, threaded sleeve; 46, sealing ring cylinder; 47, asynchronous motor; 48, transmission component; 49, guide component. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Please refer to Figures 1 to 3 A kind of artificial well wall chemical sand prevention experimental device in the embodiment, including two transparent experimental cylinder bodies 1, two transparent experimental cylinder bodies 1 are all provided with sealing end cover 2, two transparent experimental cylinder bodies 1 are provided with filter screen 3 between, two transparent experimental cylinder bodies 1 are provided with sand pipe model separation structure, two sealing end cover 2 are respectively fixedly connected with the opposite side of two transparent experimental cylinder bodies 1, filter screen 3 is clamped between the opposite side of two transparent experimental cylinder bodies 1.

[0021] In the embodiment, the sand pipe model separation structure comprises a ring-shaped bracket 41 fixedly installed on the outer surface of the bottom transparent experimental cylinder 1, a support frame 42 fixedly installed on the top of the ring-shaped bracket 41 and located outside the two transparent experimental cylinders 1, a connecting induction cylinder 43 fixedly installed on the inner bottom of the support frame 42 and sleeved on the outer surface of the two transparent experimental cylinders 1, the connecting induction cylinder 43 being fixedly connected with the bottom transparent experimental cylinder 1, a threaded column 44 rotatably installed on the support frame 42, a circular groove being formed in the top of the support frame 42, a bearing being fixedly installed in the circular groove, one end of the threaded column 44 penetrating through the bearing and being fixedly connected with the inner circumferential wall of the bearing, the other end of the threaded column 44 being rotatably connected with the inner bottom wall of the support frame 42, so as to support the rotation of the threaded column 44 by the bearing, thereby reducing the friction of the rotation, a threaded sleeve 45 being threadedly connected with the outer surface of the threaded column 44, a sealing ring cylinder 46 being fixedly installed on the threaded sleeve 45 and inserted into the connecting induction cylinder 43, and the sealing ring cylinder 46 being fixedly installed on the outer surface of the top transparent experimental cylinder 1.

[0022] The sealing ring cylinder 46 comprises a plug-in cylinder and a ring-shaped metal plate, the plug-in cylinder and the ring-shaped metal plate being fixedly connected with the top of the plug-in cylinder and the inner walls of the plug-in cylinder and the ring-shaped metal plate being fixedly connected with the outer surface of the top transparent experimental cylinder 1, the plug-in cylinder being matched in size with the connecting induction cylinder 43, so as to improve the strength of the sealing ring cylinder 46, facilitate the movement of the top transparent experimental cylinder 1 by the threaded sleeve 45 through the sealing ring cylinder 46, and seal the connecting part of the two transparent experimental cylinders 1 by the plug-in cylinder and the connecting induction cylinder 43.

[0023] By adopting the above technical scheme, the threaded sleeve 45 threadedly connected with the threaded column 44 moves along the axial direction of the threaded column 44, the sealing ring cylinder 46 fixedly installed on the threaded sleeve 45 is fixed on the outer surface of the top transparent experimental cylinder 1, the guide rod of the guide part 49 is fixed between the inner top wall and the inner bottom wall of the support frame 42, and the guide block is fixedly connected with the right side of the sealing ring cylinder 46 and slides on the outer surface of the guide rod, so as to limit the movement track of the sealing ring cylinder 46 and make it move linearly along the guide rod, the sealing ring cylinder 46 drives the top transparent experimental cylinder 1 to move relative to the bottom transparent experimental cylinder 1 with the movement of the threaded sleeve 45, so as to separate the two transparent experimental cylinders 1 and facilitate the quick removal and cleaning of the filter screen 3.

[0024] In the embodiment, the top of the support frame 42 is fixedly provided with an asynchronous motor 47, the front of the asynchronous motor 47 is provided with a transmission component 48 for driving the threaded column 44 to rotate, the inside of the support frame 42 is provided with a guide component 49 for limiting the moving track of the sealing ring cylinder 46, the transmission component 48 comprises two conical gears, the outer surfaces of the two conical gears are engaged, the two conical gears are fixedly installed on the output shaft of the asynchronous motor 47 and the outer surface of the threaded column 44 respectively, and the pressure sensor electrically connected with the asynchronous motor 47 is fixedly installed on the connecting induction cylinder 43, so that the output shaft rotating through the two engaged conical gears drives the threaded column 44 to rotate.

[0025] The guide component 49 comprises a guide rod and a guide block, the guide rod is fixedly installed between the inner top wall and the inner bottom wall of the support frame 42, the guide block is fixedly connected with the right side of the sealing ring cylinder 46, and the guide block is slidingly installed on the outer surface of the guide rod, so that the sealing ring cylinder 46 can only move linearly on the guide rod.

[0026] The above technical scheme realizes the following effects: the asynchronous motor 47 is started, the output shaft of the asynchronous motor 47 drives the conical gear connected therewith to rotate, since the outer surfaces of the two conical gears are engaged, the other conical gear fixed on the outer surface of the threaded column 44 will rotate, thereby driving the threaded column 44 to rotate on the support frame 42, in the separation process, the pressure sensor can monitor the pressure change of the connecting induction cylinder 43 in real time, when the pressure is abnormal, it will transmit a signal to the asynchronous motor 47 to control it to stop or adjust the running state, thereby ensuring the safety and stability of the operation.

[0027] The working principle of the above embodiment is as follows:

[0028] When the sand pipe model needs to be separated, the asynchronous motor 47 is started, the output shaft of the asynchronous motor 47 drives the conical gear connected therewith to rotate, since the outer surfaces of the two conical gears are engaged, the other conical gear fixed on the outer surface of the threaded column 44 will rotate, thereby driving the threaded column 44 to rotate on the support frame 42, in the separation process, the pressure sensor can monitor the pressure change of the connecting induction cylinder 43 in real time, when the pressure is abnormal, it will transmit a signal to the asynchronous motor 47 to control it to stop or adjust the running state, thereby ensuring the safety and stability of the operation.

[0029] When the threaded column 44 rotates, the threaded sleeve 45 connected with it will move along the axial direction of the threaded column 44, the sealing ring cylinder 46 fixedly installed on the threaded sleeve 45 is fixed on the outer surface of the top transparent experimental cylinder body 1, the guide rod in the guide part 49 is fixed between the inner top wall and the inner bottom wall of the support frame 42, the guide block is fixedly connected with the right side of the sealing ring cylinder 46 and slides on the outer surface of the guide rod, which limits the moving track of the sealing ring cylinder 46, so that it can only move linearly along the guide rod, with the movement of the threaded sleeve 45, the sealing ring cylinder 46 drives the top transparent experimental cylinder body 1 to move relative to the bottom transparent experimental cylinder body 1, so as to realize the separation of the two transparent experimental cylinder bodies 1, thereby facilitating the quick removal of the filter screen 3 and cleaning.

[0030] It is to be noted that the relative terms such as first and second, and the like, are used herein only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between such entities or operations. Moreover, the terms "comprising", "including", or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements recited, but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by an indefinite article "a" does not exclude the existence of additional identical elements in the process, method, article, or apparatus including the defined element.

[0031] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An artificial well wall chemical sand control experimental device, comprising two transparent experimental cylinders (1), characterized in that: Two said transparent experimental cylinder (1) are provided with sealing end cover (2), two said transparent experimental cylinder (1) are provided with filter screen (3), two said transparent experimental cylinder (1) are provided with sand pipe model separation structure; Sand pipe model separation structure includes annular bracket (41) fixedly installed on the outer surface of the bottom transparent experimental cylinder (1), the top of the annular bracket (41) is fixedly installed with support frame (42) located outside the two transparent experimental cylinders (1), the inner bottom of the support frame (42) is fixedly installed with connecting induction cylinder (43) sleeved on the outer surface of the two transparent experimental cylinders (1), the connecting induction cylinder (43) is fixedly connected with the bottom transparent experimental cylinder (1), the support frame (42) is rotatably installed with threaded column (44), the outer surface of the threaded column (44) is threadedly connected with threaded sleeve (45), the upper end of the threaded sleeve (45) is fixedly installed with sealing ring cylinder (46) inserted into the inside of the connecting induction cylinder (43), the sealing ring cylinder (46) is fixedly installed on the outer surface of the top transparent experimental cylinder (1).

2. The chemical sand control experimental device of the artificial well wall according to claim 1, characterized in that: The top of the support frame (42) is fixedly installed with asynchronous motor (47), the front of the asynchronous motor (47) is provided with transmission component (48) for driving the threaded column (44) to rotate, the inside of the support frame (42) is provided with guide component (49) for limiting the movement trajectory of the sealing ring cylinder (46).

3. The chemical sand control experimental device of claim 1, wherein: Two said sealing end cover (2) are respectively fixedly connected with the opposite sides of two transparent experimental cylinders (1), the filter screen (3) is clamped between the opposite sides of two transparent experimental cylinders (1).

4. The chemical sand control experimental device of claim 1, wherein: The top of the support frame (42) is provided with a circular groove, a bearing is fixedly installed in the circular groove, one end of the threaded column (44) penetrates through the bearing and is fixedly connected with the inner circumferential wall of the bearing, the other end of the threaded column (44) is rotatably connected with the inner bottom wall of the support frame (42).

5. The chemical sand control experimental device of an artificial well wall according to claim 1, characterized in that: The sealing ring cylinder (46) includes a splicing cylinder and an annular metal plate, the top of the splicing cylinder is fixedly connected with the annular metal plate, the inner walls of the splicing cylinder and the annular metal plate are respectively fixedly connected with the outer surface of the top transparent experimental cylinder (1), the splicing cylinder is adapted in size to the connecting induction cylinder (43).

6. The chemical sand control experimental device of claim 2, wherein: The guide component (49) includes a guide rod and a guide block, the guide rod is fixedly installed between the inner top wall and the inner bottom wall of the support frame (42), the guide block is fixedly connected with the right side of the sealing ring cylinder (46), and the guide block is slidingly installed on the outer surface of the guide rod.

7. The chemical sand control experimental device of claim 2, wherein: The transmission component (48) includes two bevel gears, the outer surfaces of the two bevel gears are meshed, the two bevel gears are respectively fixedly installed on the output shaft of the asynchronous motor (47) and the outer surface of the threaded column (44), and the connecting induction cylinder (43) is fixedly installed with a pressure sensor electrically connected with the asynchronous motor (47).

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