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Easy push coilable horizontal borehole geophone string

A technology of geophones and geophones, applied in the field of geophysical exploration, can solve problems such as multiple failure rates of interfaces, and achieve the effects of simple and reliable structure, increased push depth, and improved simplicity

Active Publication Date: 2018-03-30
XIAN RES INST OF CHINA COAL TECH& ENG GROUP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The hard straight rod type geophone string is easy to push, but it is not suitable for narrow environments such as mines or tunnels, because it can only be divided into small sections, and each section is pushed while connecting. When there are too many geophones, the failure rate is high

Method used

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  • Easy push coilable horizontal borehole geophone string
  • Easy push coilable horizontal borehole geophone string
  • Easy push coilable horizontal borehole geophone string

Examples

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Effect test

Embodiment Construction

[0021] see Figure 1 to Figure 3 , shows the easy-push and coilable horizontal in-hole geophone string of the present invention.

[0022] The geophone string in the horizontal hole includes a twist drill pilot rod 1 at the front end, multiple geophone sections 2 and multiple enhanced hydraulic pipe sections 3, and two of the multiple geophone sections 2 are connected by enhanced hydraulic pipe sections 3, In order to realize that it is easy to push into the horizontal hole suitable for construction in the underground space and can be coiled after being pulled out of the hole, the reinforced hydraulic pipe section 3 includes a steel wire braided reinforced hydraulic pipe, and the steel wire braided reinforced hydraulic pipe is a kind of reinforced hydraulic pipe with Single-layer or two-layer steel wire braiding layer is used to realize the reinforced high-strength tube. There is a layer of rubber tube on the inside and outside of the steel wire braiding layer. , the reinforce...

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Abstract

An easy-to-push and coilable geophone string in a horizontal hole, which includes a twist drill pilot rod at the front end, multiple geophone sections and multiple enhanced hydraulic pipe sections, and the reinforced hydraulic pipe sections are passed between the multiple geophone sections The reinforced hydraulic pipe section includes a steel wire braided reinforced hydraulic pipe, and the steel wire braided reinforced hydraulic pipe is a high-strength pipe with a single or two layers of steel wire braided layer in the middle to achieve reinforcement. There is a layer of rubber tube, and the reinforced hydraulic tube of this structure is straight rod-shaped in a free state, and can be coiled under the action of external force; thus, the invention provides a geophone string that has both rigidity and coiling, This kind of geophone string can be pushed into a deep hole, and can be coiled immediately outside the hole, which is very suitable for construction in small underground spaces.

Description

technical field [0001] The invention relates to the technical field of geophysical exploration, in particular to an easy-to-push and coil-up geophone string in a horizontal hole with steel wire braided reinforced hydraulic pipe as the base material. Background technique [0002] Geophysical exploration and safety monitoring of underground engineering such as mine and tunnel excavation require the arrangement of geophone strings in horizontal holes. Ease of pushing and compactness are prominent requirements. Geophones based on steel wire braided reinforced hydraulic pipes The string can realize the requirements of easy pushing and coiling. Serious geological disasters are faced in mine mining and tunnel excavation construction, mainly including roof caving, pressurized water outburst, gas outburst, etc. Using geophysical methods to monitor the stress changes of microseisms or roof media during the construction process can Effectively prevent the occurrence of these disasters...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01V1/18
CPCG01V1/181
Inventor 胡继武陆斌王季
Owner XIAN RES INST OF CHINA COAL TECH& ENG GROUP CORP
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