Petroleum drill bit water pressure tester

Abstract

The utility model relates to the technical field of petroleum drill bit testing, in particular to a petroleum drill bit water pressure tester. The utility model provides a water pressure tester for a petroleum drill bit, which can test the water pressure of the petroleum drill bit, verify the loading capacity of the petroleum drill bit, ensure the smooth operation of petroleum drilling and production, can conveniently mount and dismount the petroleum drill bit, is simple to operate, and improves the convenience of using the device. A water pressure tester for a petroleum drill bit comprises a supporting frame, a pressure container and the like, and the upper portion of the supporting frame is connected with the pressure container. According to the utility model, the chain rotates to drive the petroleum drill bit to rotate, and after the petroleum drill bit is detected, the chain wheel is taken down, and then the threaded cover is rotated to move downwards, so that water pressure testing can be carried out on the petroleum drill bit, the loading capacity of the petroleum drill bit is verified, and the petroleum drilling work is ensured to be smoothly carried out; and the petroleum drill bit can be conveniently mounted and dismounted, the operation is simple, and the convenience of using the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil drill bit testing, in particular to an oil drill bit water pressure tester. Background Art

[0002] The oil drill bit, also known as the drill tool or drill bit assembly, is an indispensable key part in oil drilling operations. It is mainly used to break rocks, penetrate formations, and form boreholes to facilitate the exploitation of resources such as oil and natural gas. During the oil drilling process, the performance of the drill bit directly affects the drilling efficiency and quality. When the drill bit cannot withstand the expected formation pressure encountered during the drilling process or the drilling downhole operation requirements, it will cause fluid and gas to gush out. In severe cases, blowouts will endanger operators and equipment, which is very inconvenient.

[0003] Therefore, it is necessary to design an oil drill bit water pressure tester that can perform water pressure testing on oil drill bits, verify the pressure-bearing capacity of oil drill bits, ensure smooth oil drilling and production, and can easily install and disassemble oil drill bits, with simple operation and improved convenience in using the device. Utility Model Content

[0004] In order to overcome the shortcomings in the process of oil drilling that the performance of the drill bit directly affects the drilling efficiency and quality, when the drill bit cannot withstand the expected formation pressure encountered during the drilling process or the drilling downhole operation requirements, it will cause fluid and gas to gush out, and in severe cases, blowout will occur, endangering the operators and equipment, the utility model provides an oil drill bit water pressure tester that can perform water pressure test on the oil drill bit, verify the pressure bearing capacity of the oil drill bit, ensure the smooth progress of oil drilling, and can conveniently install and disassemble the oil drill bit, with simple operation, thereby improving the convenience of using the device.

[0005] Technical solution: A petroleum drill bit water pressure tester includes a support frame, a pressure vessel, a rubber diaphragm, a pressure relief valve, a threaded sleeve, a threaded cover and a bearing. The upper part of the support frame is connected to the pressure vessel, the inside of the pressure vessel is connected to the rubber diaphragm, the middle front side of the pressure vessel is connected to the pressure relief valve, the lower side of the pressure vessel is connected to the threaded sleeve, the rubber diaphragm is connected to the threaded sleeve, the threaded cover is threadedly connected to the threaded sleeve, the lower part of the threaded cover is connected to the bearing, the bearing is detachably connected to the oil drill bit, and the oil drill bit is located inside the rubber diaphragm.

[0006] In one embodiment, a plurality of anti-slip pads are provided on the lower side of the support frame.

[0007] In one of the embodiments, an air inlet pipe is also included, and the air inlet pipe is connected to the right side of the upper part of the pressure container.

[0008] In one of the embodiments, a sealing ring is further included. The sealing ring is placed inside the threaded cover and is in contact with the rubber diaphragm and the threaded sleeve.

[0009] In one embodiment, the sealing ring is made of rubber.

[0010] In one of the embodiments, it also includes a fixing frame, a motor and a chain. The fixing frame is connected to the lower right part of the support frame, and the upper side of the fixing frame is connected to the motor. Sprockets are clamped on the motor output shaft and the oil drill bit, and chains are wound around the sprockets. The sprockets are meshed with the chains for movement.

[0011] The beneficial effect is that the utility model drives the oil drill bit to rotate by rotating the chain. After the oil drill bit is inspected, the sprocket is removed and the threaded cover is rotated to move the threaded cover downward, so as to achieve the effect of being able to perform a water pressure test on the oil drill bit, verify the pressure bearing capacity of the oil drill bit, ensure the smooth progress of oil drilling and production, and facilitate the installation and disassembly of the oil drill bit, with simple operation, thereby improving the convenience of using the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0013] Figure 2 It is a schematic diagram of the cross-sectional three-dimensional structure of the utility model.

[0014] Figure 3 It is a schematic diagram of the cross-sectional three-dimensional structure of the fixing mechanism of the utility model.

[0015] Figure 4 It is a schematic diagram of a partial three-dimensional structure of the utility model.

[0016] In the accompanying drawings: 1-support frame, 2-pressure vessel, 3-rubber diaphragm, 4-inlet pipe, 5-pressure relief valve, 6-threaded sleeve, 7-threaded cover, 8-bearing, 9-sealing ring, 10-oil drill bit, 11-fixed frame, 12-motor, 13-chain. DETAILED DESCRIPTION

[0017] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0018] A oil drill bit water pressure tester, such as Figure 1-Figure 4As shown, it includes a support frame 1, a pressure vessel 2, a rubber diaphragm 3, an air inlet pipe 4, a pressure relief valve 5, a threaded sleeve 6, a threaded cover 7, a bearing 8, a sealing ring 9, a fixing frame 11, a motor 12 and a chain 13. Three anti-skid pads are arranged on the lower side of the support frame 1 to prevent slipping. The upper part of the support frame 1 is connected to the pressure vessel 2, the rubber diaphragm 3 is connected inside the pressure vessel 2, the upper right side of the pressure vessel 2 is connected to the air inlet pipe 4, the front side of the middle part of the pressure vessel 2 is connected to the pressure relief valve 5, the lower side of the pressure vessel 2 is connected to the threaded sleeve 6, the rubber diaphragm 3 is connected to the threaded sleeve 6, and the threaded sleeve 6 is connected to the rubber diaphragm 3. A threaded cover 7 is threadedly connected to the threaded sleeve 6, and a bearing 8 is connected to the lower part of the threaded cover 7. A sealing ring 9 is placed inside the threaded cover 7, and the sealing ring 9 is in contact with the rubber diaphragm 3 and the threaded sleeve 6. The sealing ring 9 is made of rubber. An oil drill bit 10 is detachably connected to the bearing 8, and the oil drill bit 10 is located inside the rubber diaphragm 3. A fixing frame 11 is connected to the lower right part of the support frame 1, and a motor 12 is connected to the upper side of the fixing frame 11. Sprockets are clamped on the output shaft of the motor 12 and the oil drill bit 10, and a chain 13 is wound around the sprockets, and the sprockets are meshed with the chain 13 for movement.

[0019] When using the device, first place the support frame 1 in the water pressure test area of ​​the oil drill bit 10, use the anti-skid pad to prevent slipping, then place the sealing ring 9 in the threaded cover 7, then pass the oil drill bit 10 through the threaded cover 7 and the sealing ring 9, then install the oil drill bit 10 on the bearing 8, then pass the oil drill bit 10 through the threaded sleeve 6, then dock the threaded cover 7 with the threaded sleeve 6, and then rotate the threaded cover 7 so that the threaded cover 7 moves upward under the action of the thread, so that the oil drill bit 10 is located inside the rubber diaphragm 3, and then install the sprockets on the oil drill bit 10 and the output shaft of the motor 12 respectively, and then put the chain 13 between the sprockets, and then connect the upper part of the pressure vessel 2 to a water pipe so that water flows into the rubber diaphragm 3, so that water contacts the oil drill bit 10, and then passes through the sealing ring. The sealing ring 9 is sealed, and then a pressure pump is externally connected through the air inlet pipe 4, and then the pressure pump applies pressure to the pressure container 2, and then the motor 12 on the fixed frame 11 is started to drive the sprocket to rotate, so that the chain 13 rotates, and then the oil drill bit 10 is driven to rotate, and the oil drill bit 10 is tested. After the inspection of the oil drill bit 10 is completed, the pressure in the pressure container 2 is released through the pressure relief valve 5, the sprocket is removed, and the threaded cover 7 is rotated so that the threaded cover 7 moves downward under the action of the thread, and then the oil drill bit 10 is taken out, so that the oil drill bit 10 can be subjected to a water pressure test to verify the pressure bearing capacity of the oil drill bit 10, ensure that the oil drilling work proceeds smoothly, and can conveniently install and disassemble the oil drill bit 10, the operation is simple, and the convenience of using the device is improved.

[0020] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the scope of implementation of the present invention. Therefore, any equivalent changes made to the contents described in the claims of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A petroleum drill bit water pressure tester, characterized in that it includes The invention comprises a support frame (1), a pressure container (2), a rubber diaphragm (3), a pressure relief valve (5), a threaded sleeve (6), a threaded cover (7) and a bearing (8). The upper part of the support frame (1) is connected with the pressure container (2), the inside of the pressure container (2) is connected with the rubber diaphragm (3), the middle front side of the pressure container (2) is connected with the pressure relief valve (5), the lower side of the pressure container (2) is connected with the threaded sleeve (6), the rubber diaphragm (3) is connected with the threaded sleeve (6), the threaded cover (7) is threadedly connected to the threaded sleeve (6), the lower part of the threaded cover (7) is connected with the bearing (8), the bearing (8) is detachably connected with an oil drill bit (10), and the oil drill bit (10) is located inside the rubber diaphragm (3).

2. The oil drill bit water pressure tester according to claim 1, characterized in that: A plurality of anti-slip pads are arranged on the lower side of the support frame (1).

3. A petroleum drill bit water pressure tester as claimed in claim 2, characterized in that: It also includes an air intake pipe (4), and the upper right side of the pressure container (2) is connected to the air intake pipe (4).

4. A petroleum drill bit water pressure tester as claimed in claim 3, characterized in that: It also includes a sealing ring (9), which is placed inside the threaded cover (7) and is in contact with the rubber diaphragm (3) and the threaded sleeve (6).

5. The oil drill bit water pressure tester as claimed in claim 4, characterized in that: The sealing ring (9) is made of rubber.

6. A petroleum drill bit water pressure tester as claimed in claim 5, characterized in that: The invention also comprises a fixing frame (11), a motor (12) and a chain (13). The fixing frame (11) is connected to the lower right part of the supporting frame (1), the upper side of the fixing frame (11) is connected to the motor (12), the output shaft of the motor (12) and the oil drill bit (10) are both clamped with sprockets, the chain (13) is wound between the sprockets, and the sprockets are meshed with the chain (13).

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