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Vertical drilling device

A vertical drilling and drill bit technology, which is applied in directional drilling and other directions, can solve problems such as safety and economic problems, weak ability to descend inclination, stuck pipe accidents, etc., and achieve the effect of preventing inclination and high efficiency

Inactive Publication Date: 2014-07-16
崔刚明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, the proportion of vertical wells in coal mines and petroleum is relatively large. Preventing vertical wells from tilting is a very important issue in diameter drilling. When vertical wells tilt, it will cause serious safety and economic problems.
The current drilling tools used for deflection prevention have problems such as weak declination ability and easy to cause drill sticking accidents.

Method used

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Embodiment Construction

[0016] As shown in the accompanying drawings, a vertical drilling device includes a cylindrical well wall 1 and a rotary drilling device 2, and the cylindrical well wall 1 is provided with a well wall support 1-1 and a guide rail 1-2; the rotary drilling device 2 includes and The guide wheel 2-3 that the guide rail 1-2 cooperates, the guide wheel 2-3 is arranged on the support frame 2-14, the support frame 2-14 is connected with the drill bit frame 2-10, and the drill bit frame 2-10 is provided with a drill bit 2-5, the support frame 2-14 is connected with suspension rope 2-2, and the water tank 2-9 on the support frame 2-14 links to each other with the water pipe 2-1, and the water tank 2-9 also links to each other with the sprinkler head 2-13.

[0017] When the present invention is used, the guide wheel 2-3 is arranged in the guide rail 1-2, moves up and down along the guide rail 1-2, and each drill bit 2-5 is controlled by a separate motor, even if one of the drill bits fail...

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Abstract

The invention discloses a vertical drilling device which mainly comprises a cylindrical well wall and a rotary drilling device. A well wall support and a guide rail are arranged in the cylindrical well wall, the rotary drilling device comprises a guide wheel matched with the guide rail, the guide wheel is arranged on a supporting frame connected with a drill bit plate rack, drill bits are arranged on the drill bit plate rack, a lifting rope is connected onto the supporting frame, and a water tank on the supporting frame is connected with a water pipe and a sprayer. The rotary drilling device moves along the rail in the cylindrical well wall and can be prevented from inclination. In addition, the drill bit plate rack can rotate under the action of a driven gear and a driving gear and further drive the drill bits to rotate. Besides, each drill bit is driven by an individual motor and can also rotate, so that drilling efficiency is high.

Description

technical field [0001] The invention relates to an above-mine drilling device, in particular to a vertical drilling device. Background technique [0002] At present, the proportion of vertical wells in coal mines and petroleum is relatively large. Preventing vertical wells from tilting is a very important issue in diameter drilling. When vertical wells tilt, it will cause serious safety and economic problems. The current drilling tools used for anti-deviation have problems such as weak ability to reduce the inclination and easily causing drill sticking accidents. Contents of the invention [0003] The object of the present invention is to provide a vertical drilling device that prevents inclination and reduces pipe sticking accidents, aiming at the deficiencies of the above-mentioned prior art. [0004] The technical solution of the present invention is realized in the following manner: a vertical drilling device, including a cylindrical well wall and a rotary drilling de...

Claims

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Application Information

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IPC IPC(8): E21B7/10
Inventor 崔刚明
Owner 崔刚明
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