Near-horizontal ultra-long directional long borehole gas extraction physical simulation experimental platform

Near-horizontal ultra-long directional long borehole gas extraction physical simulation experimental platform

(1) Capable of physically simulating the process of gas extraction from near-horizontal directional ultra-long boreholes; (2) Capable of physically simulating the processes of extraction dynamics of ultra-long directional boreholes, coal seam gas replenishment, confining pressure loading, local resistance within the borehole, and gas migration within the borehole, and able to test the permeability of the coal body; (3) Capable of physically simulating the entire process of directional long borehole gas extraction under different conditions such as extraction negative pressure, extraction time, borehole depth, confining pressure loading, gas replenishment, and local resistance, and able to automatically monitor and record gas extraction parameters within the borehole (pressure, flow rate, temperature, etc.).
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Convenient and easy to use

 

Graphical user interface

Easy and understandable operation


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Reliable and stable

 

High accuracy, high stability

 

  


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Personalized customization

 

Can be customized according to needs

Enhance device configuration

     

Application Fields

 

Application Functions

Product Parameters

Parameter Indicators

Pipeline

The pipeline is designed as a concentric double-pipe structure, with the inner pipe used to simulate extraction drilling, and the outer pipe used to simulate gas supply around the drilling hole:
Inner pipe outer diameter 8mm, inner diameter 6mm; outer pipe inner diameter Φ 120mm, length 50m

Air supply volume 0～1000mL/S, measurement accuracy ≤1mL/S, supply pressure control accuracy ≤±0.01MPa
Nitrogen gas mass flow control 0～2000mL/min, accuracy ±1% F.S.
Extraction negative pressure Adjustable range 0～50kPa, adjustment accuracy ±0.1kPa, rated flow 2000mL/min

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