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Drill bit connecting device for oil exploitation

A technology for connecting devices and drill bits, which is applied to drill pipes, drill pipes, and earth-moving drilling and mining, etc., can solve the problems of low service life and large friction loss between the device and drill pipe, and achieve the advantages of improving convenience, reducing friction and reducing gaps. Effect

Inactive Publication Date: 2021-12-03
广州文硕石油有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, there are still many deficiencies in the current fixtures for drill pipes used in oil extraction, such as when the existing fixtures work in the fixtures for the drill pipes, the friction loss between the drill pipes and the device is large. , the shortcoming of low service life of device and drill pipe

Method used

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  • Drill bit connecting device for oil exploitation
  • Drill bit connecting device for oil exploitation
  • Drill bit connecting device for oil exploitation

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Embodiment Construction

[0022] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0023] Such as Figure 1-2 As shown, a drill bit connection device for oil exploitation includes a connecting rod 1, a rotating rod 2, a positioning mechanism and a fixing mechanism. The connecting rod 1 is vertically arranged, and the bottom end of the connecting rod 1 is provided with a cylindrical positioning slot, the positioning groove is coaxially arranged with the connecting rod 1, the rotating rod 2 is vertically arranged at the bottom end of the connecting rod 1, and the top of the rotating rod 2 extends into the positioning groove, and the rotating rod 2 and the positioning The grooves are slidingly connected, the positioning mechanism is arranged a...

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Abstract

The invention relates to a drill bit connecting device for oil exploitation. The drill bit connecting device comprises a connecting rod, a rotating rod, a positioning mechanism and a fixing mechanism, wherein the positioning mechanism comprises a positioning assembly and a centering assembly, the fixing mechanism comprises a fixing assembly and an auxiliary assembly, the fixing assembly is arranged on the connecting rod, the auxiliary assembly is arranged on the fixing assembly, and the auxiliary assembly is connected to the fixing assembly. According to the drill bit connecting device for the oil exploitation, through cooperation of the fixing mechanism and the positioning mechanism, the positioning effect is improved, installing of the rotating rod is facilitated, the rigidity of the rotating rod is enhanced, the rotating rod rotates more stably, friction between the rotating rod and the inner wall of a positioning groove is reduced, the service life is prolonged, the rotating rod can be disassembled under the condition that no disassembling tool is carried, the convenience is improved, the loosening condition of a moving ring can be concerned at any time through a knocking unit, and the use practicability is improved.

Description

technical field [0001] The invention particularly relates to a drill bit connecting device for oil exploitation. Background technique [0002] With the rapid development of people's life, oil extraction occupies a higher and higher position in life. The drill pipe is indispensable in the process of oil extraction. The drill bit on the drill pipe is used to drill into the ground, which is convenient for the staff to extract underground oil. During the working process of the drill pipe, the fixing device is used very frequently. Its main function is to penetrate and fix the drill pipe so as to avoid the vibration of the drill pipe during rotary drilling. [0003] However, there are still many deficiencies in the current fixtures for drill pipes used in oil extraction, such as when the existing fixtures work in the fixtures for the drill pipes, the friction loss between the drill pipes and the device is large. , The shortcoming of the low service life of the device and the dri...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B17/046E21B17/07E21B17/10E21B41/00G08B21/24G08B3/02
CPCE21B17/0465E21B17/076E21B17/1057E21B41/0021G08B21/187G08B21/24G08B3/02
Inventor 农剑
Owner 广州文硕石油有限公司
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