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Small-radius drilling equipment capable of accurately controlling drilling direction

A precise control and small-radius technology, which is applied in drilling equipment, directional drilling, drilling equipment and methods, etc., can solve the problems of poor precision control of turning holes, inability to realize small-radius turning, and inability to control accurately

Active Publication Date: 2021-09-10
BEIJING CHINA COAL MINE ENG CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the past engineering drilling, the traditional circular cross-section holes were drilled in a straight line or a curve with a large turning radius, which could not realize a small radius turning, and the accuracy of controlling the direction of the turning hole was poor. Can be precisely controlled according to actual needs

Method used

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  • Small-radius drilling equipment capable of accurately controlling drilling direction
  • Small-radius drilling equipment capable of accurately controlling drilling direction
  • Small-radius drilling equipment capable of accurately controlling drilling direction

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Embodiment Construction

[0034] see figure 1 A small-radius drilling device capable of precisely controlling the drilling direction, comprising a connecting part 1, a passive turning part 3 and an active turning part, the second end of the connecting part 1 is fixedly connected to the first end of the passive turning part 3, The second end of the passive steering part 3 is hinged with the first end of the active steering part, and the second end of the active steering part is connected to the drill bit 5 in transmission; the active steering part drives the drill bit 5 to turn, so The drilling power is transmitted to the drilling part through the inside of the connecting part 1.

[0035] like Figure 2-3 As shown, the connecting part 1 includes a rod body 101, the first end of the rod body 101 is fixedly connected with a first end 102, the second end of the rod body 101 is fixedly connected with a second end 103, the first The structure of the end head 102 and the second end head 103 are the same, th...

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Abstract

The invention discloses small-radius drilling equipment capable of accurately controlling a drilling direction. The mall-radius drilling equipment capable of accurately controlling the drilling direction comprises a connecting part, a passive turning part and an active turning part, the second end of the connecting part is fixedly connected with the first end of the passive turning part, the second end of the passive turning part is hinged with the first end of the active turning part, and the second end of the active turning part is hinged with a drill bit, and the active turning part drives the drill bit to steer. According to the mall-radius drilling equipment capable of accurately controlling the drilling direction, the connecting part is arranged, a rod body of the connecting part and a conversion joint are of a porous lotus-root-shaped structure, pore channels in the connecting part are mutually isolated, and the pore channels can be mutually sealed without a complicated sealing structure, so that different cables and pipelines can pass through the connecting part, and energy can be conveniently transferred downwards; and the conversion joint is connected, so that a steering requirement is met while energy transfer is realized.

Description

technical field [0001] The invention relates to the technical field of engineering drilling, in particular to small-radius drilling equipment that can precisely control the drilling direction. Background technique [0002] In the past engineering drilling, the traditional circular cross-section holes were drilled in a straight line or a curve with a large turning radius, which could not realize a small radius turning, and the accuracy of controlling the direction of the turning hole was poor. It can be precisely controlled according to actual needs. Contents of the invention [0003] Therefore, the technical problem to be solved by the present invention is to provide a small-radius drilling equipment that can realize small-radius turning, facilitate direction control, and can precisely control the drilling direction. [0004] In order to solve the above technical problems, the present invention provides the following technical solutions: a small-radius drilling equipment ...

Claims

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Application Information

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IPC IPC(8): E21B7/06E21B17/20
CPCE21B7/06E21B7/061E21B7/067E21B17/20E21B17/206
Inventor 王强张广宇韩玉福李方政高岗荣杨明
Owner BEIJING CHINA COAL MINE ENG CO LTD
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