High-gas-liquid-ratio oil well flow state simulation experiment device

Abstract

The utility model discloses a high-gas-liquid-ratio oil well flow state simulation experiment device which comprises a base, a glass tube is fixedly connected to the center of the upper surface of the base, an adjusting tube is fixedly connected to the top of the glass tube, and a water pump is fixedly installed on the upper surface of the base, and belongs to the technical field of oil well flow state simulation. By arranging the glass tube, the adjusting tube and the like, a high-pressure environment in an oil well can be simulated, after liquid is pumped into the glass tube through the water pump, the motion state of the liquid under high pressure can be clearly observed through the first flow meter and the second flow meter, and the pressure intensity in the glass tube can be adjusted by rotating the bolt, so that the operation is convenient. Experiment conditions can be more controllable by adjusting pressure in an experiment, so that experiment design and data acquisition can be better carried out, fluid behaviors can be obviously changed under different pressure conditions, researchers can be helped to deeply understand fluid characteristics by adjusting the pressure, and accuracy is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of oil well flow state simulation, in particular to a high gas-liquid ratio oil well flow state simulation experimental device. Background Art

[0002] The high gas-liquid ratio oil well flow simulation experimental device is an experimental device used to simulate the behavior of the fluid in the oil well under high gas-liquid ratio conditions during oil field exploitation. During the oil field exploitation process, as the oil well production increases, a high gas-liquid ratio may occur, that is, there are a large amount of gas and liquid in the oil well at the same time. In this case, the behavior of the fluid in the oil well will be different from that in the low gas-liquid ratio condition. Therefore, a simulation experiment is needed to study the flow state of the oil well under high gas-liquid ratio conditions.

[0003] However, the oil well flow simulation experimental device in the prior art, such as the patent with publication number CN209621308U, cannot accurately simulate the real oil well environment when actually used. The operation is complicated, the equipment sensors are frequently used and the structure is complicated, which increases the production cost of the experimental device and has a small scope of application. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a high gas-liquid ratio oil well flow simulation experimental device, which solves the problems of the prior art oil well flow simulation experimental device, which cannot accurately simulate the real oil well environment when used in actual use, is complicated to operate, and requires frequent use of equipment sensors, which increases the production cost of the experimental device and has a small scope of application.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a high gas-liquid ratio oil well flow simulation experimental device, including a base, a glass tube is fixedly connected to the center of the upper surface of the base, a regulating tube is fixedly connected to the top of the glass tube, a water pump is fixedly installed on the upper surface of the base, a first flow meter is fixedly installed on the output end of the water pump, a water inlet pipe is fixedly connected to the output end of the first flow meter, a solenoid valve is fixedly connected to the output end of the water inlet pipe, the output end of the solenoid valve is connected to the inside of the regulating tube, and a water pipe is fixedly inserted into the inside of the glass tube. A second flow meter is fixedly installed on the output end of the water pipe, and a water outlet pipe is fixedly connected to the output end of the second flow meter. A pressure gauge is fixedly installed on the outer surface of the regulating tube, a connecting column is fixedly connected to the top of the regulating tube, a top plate is fixedly connected to the top of the connecting column, a bearing is fixedly installed at the inner center of the top plate, a bolt is fixedly connected to the inner part of the bearing, an upper limit ring is fixedly connected to the top of the regulating tube, a sealing block is slidingly connected to the inner sealing of the regulating tube, a threaded hole is opened at the inner center of the sealing block, and a lower limit ring is fixedly connected to the inner part of the regulating tube.

[0006] Preferably, a controller is fixedly mounted on the surface of the base, and an outer surface of the solenoid valve is fixedly mounted on an outer surface of the regulating tube.

[0007] Preferably, the interior of the glass tube is filled with liquid, and the liquid level is higher than the end of the water pipe.

[0008] Preferably, the input end of the pressure gauge is connected to the interior of the regulating tube, and the interior of the glass tube is connected to the interior of the regulating tube.

[0009] Preferably, the sealing block is square, a slide groove matching the sealing block is provided inside the regulating tube, and a sealing ring is fixedly mounted on the outer surface of the sealing block.

[0010] Preferably, the outer surface of the bolt is threadedly connected to the inner wall of the threaded hole, the top of the bolt extends to the upper surface of the top plate, and the interior of the glass tube is in a high pressure state under normal conditions.

[0011] Beneficial Effects

[0012] The utility model provides a high gas-liquid ratio oil well flow state simulation experimental device. Compared with the prior art, it has the following beneficial effects:

[0013] 1. The high gas-liquid ratio oil well flow simulation experimental device can simulate the high-pressure environment in the oil well by setting up glass tubes and regulating tubes. After the liquid is pumped into the glass tube by a water pump, the movement state of the liquid under high pressure can be clearly observed through the first flow meter and the second flow meter, thereby enhancing practicality.

[0014] 2. The high gas-liquid ratio oil well flow simulation experimental device can adjust the pressure inside the glass tube by turning the bolts. The pressure adjustment during the experiment can make the experimental conditions more controllable, thereby better performing the experimental design and data acquisition. Under different pressure conditions, the fluid behavior may change significantly, so the pressure adjustment can help researchers gain a deeper understanding of the fluid's characteristics. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 This is a schematic diagram of the connection between the adjusting pipe and the top plate in the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the sealing block in the utility model;

[0018] Figure 4 for Figure 2 Enlarged view of point A in the middle.

[0019] In the figure: 1, base; 101, controller; 2, glass tube; 3, regulating tube; 4, water pump; 5, first flow meter; 6, water inlet pipe; 7, solenoid valve; 8, water pipe; 9, second flow meter; 10, water outlet pipe; 11, pressure gauge; 12, connecting column; 13, top plate; 14, bearing; 15, bolt; 16, upper limit ring; 17, sealing block; 18, threaded hole; 19, lower limit ring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Embodiment 1

[0022] See also Figure 1-2 The utility model provides a technical solution: a high gas-liquid ratio oil well flow state simulation experimental device, comprising a base 1, a controller 101 is fixedly installed on the surface of the base 1, a glass tube 2 is fixedly connected to the center of the upper surface of the base 1, a regulating tube 3 is fixedly connected to the top of the glass tube 2, the interior of the glass tube 2 is connected to the interior of the regulating tube 3, a water pump 4 is fixedly installed on the upper surface of the base 1, a first flow meter 5 is fixedly installed on the output end of the water pump 4, a water inlet pipe 6 is fixedly connected to the output end of the first flow meter 5, a solenoid valve 7 is fixedly connected to the output end of the water inlet pipe 6, the outer surface of the solenoid valve 7 is fixedly installed on the outer surface of the regulating tube 3, the output end of the solenoid valve 7 is connected to the interior of the regulating tube 3, the glass A water pipe 8 is fixedly inserted into the interior of the tube 2. The interior of the glass tube 2 is filled with liquid. The liquid level is higher than the end of the water pipe 8. A second flow meter 9 is fixedly installed at the output end of the water pipe 8. The output end of the second flow meter 9 is fixedly connected to a water outlet pipe 10. A pressure gauge 11 is fixedly installed on the outer surface of the regulating tube 3. The input end of the pressure gauge 11 is connected to the interior of the regulating tube 3. A connecting column 12 is fixedly connected to the top of the regulating tube 3. By arranging the glass tube 2 and the regulating tube 3, etc., the high-pressure environment in the oil well can be simulated. After the liquid is pumped into the interior of the glass tube 2 by the water pump 4, the movement state of the liquid under high pressure can be clearly observed through the first flow meter 5 and the second flow meter 9, thereby enhancing practicality.

[0023] Embodiment 2

[0024] See also Figure 2-4, the top of the connecting column 12 is fixedly connected with a top plate 13, a bearing 14 is fixedly installed at the inner center of the top plate 13, a bolt 15 is fixedly connected inside the bearing 14, and the top of the bolt 15 extends to the upper surface of the top plate 13. Under normal conditions, the interior of the glass tube 2 is in a strong pressure state, the top of the adjusting tube 3 is fixedly connected with an upper limit ring 16, the internal sealing and sliding connection of the adjusting tube 3 is a sealing block 17, the sealing block 17 is square, a slide groove matching the sealing block 17 is provided inside the adjusting tube 3, a sealing ring is fixedly installed on the outer surface of the sealing block 17, a threaded hole 18 is provided at the inner center of the sealing block 17, the outer surface of the bolt 15 is threadedly connected to the inner wall of the threaded hole 18, and a lower limit ring 19 is fixedly connected inside the adjusting tube 3. By rotating the bolt 15, the pressure inside the glass tube 2 can be adjusted. The adjustment of pressure in the experiment can make the experimental conditions more controllable, so as to better carry out experimental design and data acquisition. Under different pressure conditions, the behavior of the fluid may change significantly, so the adjustment of pressure can help researchers to have a deep understanding of the characteristics of the fluid.

[0025] During the experiment, the pressure inside the glass tube 2 is first adjusted to a specified value by turning the bolt 15 and observing the pressure gauge 11. During adjustment, the bolt 15 is turned, and the engagement between the bolt 15 and the sealing block 17 drives the sealing block 17 to slide up and down. When the sealing block 17 slides downward, the internal pressure of the regulating tube 3 increases, and when the sealing block 17 slides upward, the internal pressure of the regulating tube 3 decreases. After the pressure is adjusted, the solenoid valve 7 is opened, and the liquid is pumped into the glass tube 2 through the water inlet pipe 6 by starting the water pump 4. Then the high-pressure liquid inside the glass tube 2 moves upward through the end of the water pipe 8, and finally sprayed out from the water outlet pipe 10 through the second flow meter 9, which can simulate the high-pressure environment in the oil well. After the liquid is pumped into the glass tube 2 through the water pump 4, the movement state of the liquid under high pressure can be clearly observed through the first flow meter 5 and the second flow meter 9, thereby enhancing practicality.

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A high gas-liquid ratio oil well flow simulation experimental device, comprising a base (1), characterized in that: A glass tube (2) is fixedly connected to the center of the upper surface of the base (1), a regulating tube (3) is fixedly connected to the top of the glass tube (2), a water pump (4) is fixedly installed on the upper surface of the base (1), a first flow meter (5) is fixedly installed at the output end of the water pump (4), a water inlet pipe (6) is fixedly connected to the output end of the first flow meter (5), a solenoid valve (7) is fixedly connected to the output end of the water inlet pipe (6), the output end of the solenoid valve (7) is connected to the inside of the regulating tube (3), a water pipe (8) is fixedly inserted into the inside of the glass tube (2), a second flow meter (9) is fixedly installed at the output end of the water pipe (8), and the output end of the second flow meter (9) is connected to the output end of the water inlet pipe (6). A water outlet pipe (10) is fixedly connected, a pressure gauge (11) is fixedly installed on the outer surface of the regulating pipe (3), a connecting column (12) is fixedly connected to the top of the regulating pipe (3), a top plate (13) is fixedly connected to the top of the connecting column (12), a bearing (14) is fixedly installed at the inner center of the top plate (13), a bolt (15) is fixedly connected inside the bearing (14), an upper limit ring (16) is fixedly connected to the top of the regulating pipe (3), a sealing block (17) is sealingly slidably connected inside the regulating pipe (3), a threaded hole (18) is opened at the inner center of the sealing block (17), and a lower limit ring (19) is fixedly connected inside the regulating pipe (3).

2. The high gas-liquid ratio oil well flow simulation experimental device according to claim 1, characterized in that: A controller (101) is fixedly mounted on the surface of the base (1), and an outer surface of the solenoid valve (7) is fixedly mounted on the outer surface of the regulating tube (3).

3. The high gas-liquid ratio oil well flow simulation experimental device according to claim 1, characterized in that: The interior of the glass tube (2) is filled with liquid, and the liquid level is higher than the end of the water pipe (8).

4. The high gas-liquid ratio oil well flow simulation experimental device according to claim 1, characterized in that: The input end of the pressure gauge (11) is connected to the interior of the regulating tube (3), and the interior of the glass tube (2) is connected to the interior of the regulating tube (3).

5. The high gas-liquid ratio oil well flow simulation experimental device according to claim 1, characterized in that: The sealing block (17) is square, a sliding groove matching the sealing block (17) is provided inside the regulating tube (3), and a sealing ring is fixedly mounted on the outer surface of the sealing block (17).

6. The high gas-liquid ratio oil well flow simulation experimental device according to claim 1, characterized in that: The outer surface of the bolt (15) is threadedly connected to the inner wall of the threaded hole (18), and the top of the bolt (15) extends to the upper surface of the top plate (13). Under normal conditions, the interior of the glass tube (2) is in a high pressure state.

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