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Device convenient for cooling drill bit

A drill bit and coolant technology, applied in drill bits, drilling tools, drilling equipment, etc., can solve the problems of short service life, poor cooling effect, poor work efficiency, etc., and achieve long service life, avoid shortening of service life, and good cooling effect. Effect

Inactive Publication Date: 2015-08-12
CHENGDU DAMO PETROLEUM MACHINERY GRP
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0010] The invention provides a device for cooling the drill bit, which solves the technical problems that the existing drill bit has a poor cooling effect, resulting in a s

Method used

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  • Device convenient for cooling drill bit

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Effect test

Embodiment 1

[0025] In Embodiment 1, a device for cooling the drill bit is provided, please refer to figure 1 , the device includes:

[0026] Drill body 1, the drill body 1 is connected to the drill pipe 2, the drill body 1 is provided with a cooling through hole, the cooling through hole is provided with an inlet and an outlet, and the inlet and the outlet are both located in the drill bit On the upper surface of the main body 1, the cooling through hole extends from the inlet to the bottom of the drill bit body 1 and then bends and extends back to the outlet. The drill pipe 2 is provided with a liquid inlet pipe 3 and a liquid outlet pipe 4. The liquid inlet pipe One end of 3 is connected to the inlet, the other end of the inlet pipe 3 is connected to the water pump 5, and the water pump 5 is connected to the first liquid collection tank 7 through the first liquid discharge pipe 6, and the first liquid collection tank 7 The second liquid discharge pipe 8 is connected to the second liqui...

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Abstract

The invention discloses a device convenient for cooling a drill bit. The device comprises a drill bit main body, wherein the drill bit main body is connected with a drill rod; a cooling through hole is formed in the drill bit main body and is provided with an inlet and an outlet; the inlet and the outlet are respectively positioned on the upper surface of the drill bit main body; the cooling through hole extends to the bottom of the drill bit main body from the inlet and is bent to extend to the outlet; a liquid inlet pipe and a liquid outlet pipe are arranged in the drill rod; one end of the liquid inlet pipe is connected with the inlet; the other end of the liquid inlet pipe is connected with a water pump; the water pump is connected with a first liquid collecting box through a first liquid discharge pipe; the first liquid collecting box is connected with a second liquid collecting box through a second liquid discharge pipe; the second liquid collecting box is connected with one end of the liquid outlet pipe; the other end of the liquid discharge pipe is connected with the outlet; cooling liquid is respectively contained in the first liquid collecting box and the second liquid collecting box. The device achieves the technical effects that the cooling effect on the drill bit is better, the service life is longer, and the work efficiency is higher.

Description

technical field [0001] The invention relates to the field of petroleum machinery research, in particular to a device for cooling a drill bit. Background technique [0002] The abbreviation of diamond compact (PDC) drill bit is a drilling tool commonly used in the oil drilling industry. [0003] The performance of PDC products continues to improve. Over the past few years, the quality and type of PDC cutting teeth have changed dramatically. If you compare the teeth of the 1980s with today's teeth, the difference is considerable. Due to the mixing Due to the changes in technology and manufacturing process, the quality and performance of today's cutting teeth are much better, which greatly improves the erosion resistance and impact resistance of the drill bit. [0004] Engineers also optimized the interface between the tungsten carbide substrate and the synthetic diamond to increase the toughness of the cutting teeth. Innovations in layered diamond processing have also been u...

Claims

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Application Information

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IPC IPC(8): E21B12/00E21B10/60
CPCE21B12/00E21B10/60
Inventor 贺昶明
Owner CHENGDU DAMO PETROLEUM MACHINERY GRP
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