Oil well pump pressure test device

Abstract

A pressure testing device for an oil well pump relates to the technical field of oil well pump detection and comprises a pressure testing connector and a supporting frame used for supporting the pressure testing connector, the pressure testing connector is connected with a sealing connector of the oil well pump, the sealing connector of the oil well pump is connected with a supporting connector of the oil well pump, and a plug is installed at the lower end of the supporting connector of the oil well pump. According to the pressure testing device, the oil well pump is vertically installed on the pressure testing connector, the actual working state of the oil well pump can be completely simulated, false leakage cannot be caused, and the pressure testing efficiency is high.

Description

Technical Field

[0001] The utility model relates to the technical field of oil well pump detection, in particular to a pressure testing device for an oil well pump. Background Art

[0002] During oilfield development, downhole oil well pumps are one of the primary lifting devices. These mechanical devices lift oil from underground to the surface and are widely used in the oil extraction industry, accounting for over 90% of all mechanical oil extraction equipment. Before delivery to oilfield users, oil well pumps undergo pressure testing.

[0003] The existing method for testing oil well pump pressure is to place the pump horizontally and perform a horizontal pressure test. This method cannot fully simulate the working conditions of the oil well pump in the well. Because the oil well pump body and the support joint are not aligned horizontally, the support joint may deform and cause false leaks. This leads to multiple rework tests and wastes manpower and material resources.

[0004] Therefore, it is necessary to propose a new type of pressure testing tool to overcome the defects of the prior art. Utility Model Content

[0005] In view of the above shortcomings of the existing technology, the purpose of the present invention is to provide a pump pressure test device that can solve the problems that the existing pressure test device cannot fully simulate the actual working state of the pump, easily causes false leakage, has a large workload during the pressure test, and takes a long time to test.

[0006] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0007] A pump pressure test device includes a pressure test joint and a support frame for supporting the pressure test joint, the pressure test joint is connected to the sealing joint of the pump, the sealing joint of the pump is connected to the support joint of the pump, a plug is installed at the lower end of the support joint of the pump, an oil tank is provided at the bottom of the support frame, and a filter is provided on the top of the oil tank.

[0008] Preferably, the pressure test joint includes a joint body, a quick joint is provided at the upper end of the joint body, the lower end of the joint body is threadedly connected to the sealing joint of the oil pump, and a flat rubber sealing ring and an O-type rubber sealing ring are provided between the sealing joint and the joint body.

[0009] Preferably, the plug includes a plug body, the upper end of the plug body is threadedly connected to the support joint of the oil pump, a flat rubber sealing ring is provided between the support joint and the plug body, and the lower end of the plug body is provided with an oil unloading valve.

[0010] Preferably, the support frame includes a support frame body, and V-shaped blocks are symmetrically provided on both sides of the upper end of the support frame body, and the pressure test joint is installed in the two V-shaped blocks.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. In the pressure test device of the utility model, the oil well pump is vertically installed on the pressure test joint, which can completely simulate the actual working state of the oil well pump, will not cause false leakage, and has high pressure test efficiency.

[0013] 2. The utility model is convenient for discharging diesel after pressure test into the fuel tank by arranging a plug, an oil unloading valve, a fuel tank and a filter, filtering out impurities in the diesel through the filter, and then delivering it to the pressure test pump for recycling. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

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

[0016] Figure 2 This is a schematic diagram of the structure of the pressure test joint of the utility model;

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

[0018] Figure 4 This is a schematic diagram of the support frame structure of the present utility model.

[0019] Description of reference numerals:

[0020] 1-pressure test joint, 11-joint body, 12-quick joint, 2-support frame, 21-support frame body, 22-V-block, 3-sealing joint, 4-support joint, 5-plug, 51-plug body, 52-oil unloading valve, 6-oil tank, 7-flat rubber sealing ring, 8-O-type rubber sealing ring. DETAILED DESCRIPTION

[0021] The following describes the invention of the present invention in detail by way of examples in conjunction with the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Example

[0022] like Figures 1 to 4As shown, the utility model discloses a pressure test device for an oil well pump, comprising a pressure test joint 1 and a support frame 2 for supporting the pressure test joint 1, the support frame 2 comprising a support frame body 21, V-shaped blocks 22 symmetrically provided on both sides of the upper end of the support frame body 21, the pressure test joint 1 being installed in the two V-shaped blocks 22, facilitating the rapid placement of the pressure test piece. The pressure test joint 1 is connected to the sealing joint 3 of the oil well pump. Specifically, the pressure test joint 1 comprises a joint body 11, a quick joint 12 is installed on the upper end of the joint body 11, the quick joint 12 is connected to the pressure test pump, the lower end of the joint body 11 is threadedly connected to the sealing joint 3 of the oil well pump, and a flat rubber sealing ring 7 and an O-type rubber sealing ring 8 are provided between the sealing joint 3 and the joint body 11. The sealing joint 3 of the oil pump is connected to the supporting joint 4 of the oil pump. A plug 5 is installed at the lower end of the supporting joint 4 of the oil pump. The plug 5 includes a plug body 51. The upper end of the plug body 51 is threadedly connected to the supporting joint 4 of the oil pump. A flat rubber sealing ring 7 is provided between the supporting joint 4 and the plug body 51. An oil unloading valve 52 is provided at the lower end of the plug body 51. The assembled pressure test joint 1, sealing joint 3, supporting joint 4 and plug 5 are installed on the support frame 2 with the V-block 22. The pressure test joint 1 is connected to the pressure test pump through the quick connector 12 to complete the pressure test. The utility model can fully simulate the actual working state of the oil pump by vertically installing the oil pump on the pressure test joint 1, without causing false leakage, and with high pressure test efficiency.

[0023] A fuel tank 6 is provided at the bottom of the support frame 2 for holding the diesel in the pipeline after the pressure test is completed and returning it to the pressure test pump through the oil pump; a filter is provided at the top of the fuel tank 6 for filtering impurities in the diesel so that the diesel can be reused.

[0024] Working principle: Assemble the support joint 4 and sealing joint 3 of the oil well pump together, install the pressure test joint 1 at the upper end of the sealing joint 3, install the plug 5 at the lower end of the support joint 4, and place the assembled components on the support frame 2. Connect the pressure test joint 1 to the pipeline of the pressure test pump through the quick connector 12 at the upper end. Turn on the pressure test pump, adjust the pressure to the required pressure, and then conduct the test to complete the pressure test. After the pressure test is completed, open the oil unloading valve 52 at the bottom of the plug 5 to drain the diesel in the pipeline and the workpiece into the oil tank 6 located at the bottom of the support frame 2. It can then be returned to the pressure test pump through the return oil pump. The filter set at the top of the oil tank 6 is used to filter impurities in the diesel, allowing the diesel to be reused repeatedly without clogging the pipeline.

[0025] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and application concept of the present invention, should be covered by the protection scope of the present invention.

Claims

1. A wellbore pump pressure test device, comprising a pressure test joint (1) and a support frame (2) for supporting the pressure test joint (1), characterized in that: The pressure test joint (1) is connected to the sealing joint (3) of the oil well pump, and the sealing joint (3) of the oil well pump is connected to the support joint (4) of the oil well pump. A plug (5) is installed at the lower end of the support joint (4) of the oil well pump. An oil tank (6) is provided at the bottom of the support frame (2), and a filter is provided at the top of the oil tank (6).

2. A well pump pressure testing device according to claim 1, characterized in that: The pressure test joint (1) comprises a joint body (11), the upper end of the joint body (11) is provided with a quick joint (12), the lower end of the joint body (11) is threadedly connected to the sealing joint (3) of the oil well pump, and a flat rubber sealing ring (7) and an O-type rubber sealing ring (8) are provided between the sealing joint (3) and the joint body (11).

3. The oil well pump pressure testing device according to claim 1, characterized in that: The plug (5) comprises a plug body (51), the upper end of the plug body (51) being threadedly connected to a support joint (4) of the oil pump, a flat rubber sealing ring (7) being provided between the support joint (4) and the plug body (51), and an oil unloading valve (52) being provided at the lower end of the plug body (51).

4. The oil well pump pressure testing device according to claim 1, characterized in that: The support frame (2) comprises a support frame body (21), and V-shaped blocks (22) are symmetrically provided on both sides of the upper end of the support frame body (21), and the pressure test joint (1) is installed in the two V-shaped blocks (22).

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