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Buried drill punching tool

A tool, drilling and punching technology, applied in the field of buried drilling and punching tools, can solve the problems of time-consuming, no buried drilling accidents, laborious and other problems in handling accidents, and achieve the effect of simple structure and solving buried drilling accidents.

Inactive Publication Date: 2015-07-29
HANDAN SPECIAL SHAFT SINKING CHINA COAL ENERGY GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] During the construction process of the drilling rig, the buried drill accident directly affects the construction progress and delays the construction period, and it takes time and effort to deal with the accident
There are currently no dedicated tools to address buried drilling accidents

Method used

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  • Buried drill punching tool
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  • Buried drill punching tool

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0010] Such as Figure 1-Figure 3 As shown, the inner sleeve 4 is fixed on one side of the inner hole of the outer sleeve 3, and the upper and lower ends of the outer sleeve 3 are respectively sealed and fixed on the upper crescent plate 2 and the lower crescent plate 5, respectively. The inner casing 4 is positioned against the upper and lower through holes 2 and 6 with the same inner diameter, the water pipe joint 1 is sealed and fixed on the upper crescent plate 2 , and a plurality of water spray holes 8 are arranged on the lower crescent plate 5 .

[0011] The water pipe joint 1 is replaced with a drill bit.

[0012] In the event of a buried drilling accident, untie the drill pipe from the vertical shaft immediately, put the inner casing 4 on the drill pipe, connect the high-pressure water source to the water pipe joint 1, and lower them one by one, and spray water downward through the water spray hole 8 Punch until it reaches the buried drill site. You can try to rotate...

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Abstract

The invention relates to a buried drill punching tool. An inner sleeve is fixed on one side of the inner hole of an outer sleeve; an upper swing link and a lower swing link are fixed at the upper end and the lower end of the outer sleeve in a sealing mode respectively; an upper through hole and a lower through hole are formed in the upper swing link and the lower swing link respectively, and the position hedging inner diameters of the upper through hole and the lower through hole are the same as the position hedging inner diameter of the inner sleeve; a water pipe joint is fixed on the upper swing link in a sealing mode; a plurality of water spray holes are formed in the lower swing link.

Description

technical field [0001] The invention belongs to the field of geological drilling, in particular to a buried drilling and punching tool. Background technique [0002] During the construction process of the drilling rig, the drilling accident will directly affect the construction progress and delay the construction period, and it will take time and effort to deal with the accident. There is currently no special tool to solve buried drilling accidents. Contents of the invention [0003] In order to overcome the disadvantages of the prior art, the invention provides a buried drilling punching tool. It has a simple structure, can effectively solve buried drilling accidents, and saves time and effort. [0004] The technical scheme adopted by the present invention to solve the technical problem is: the inner sleeve is fixed on one side of the inner hole of the outer sleeve, the upper and lower ends of the outer sleeve are respectively sealed and fixed on the upper crescent plat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B31/00E21B31/03
CPCE21B31/03
Inventor 张曙红赵志福李锐志王英波史永超孙涛
Owner HANDAN SPECIAL SHAFT SINKING CHINA COAL ENERGY GROUP
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