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The Ratio Of Mud To Different Soil Layers For Trenchless Construction

The Ratio Of Mud To Different Soil Layers For Trenchless Construction

The mud used in the construction of horizontal directional drilling rigs in China is mainly composed of bentonite, which is easy to produce hole collapse and stuck drill problems, which causes the failure of horizontal directional drilling. Aiming at the reasons for failure in drilling, drawing on the drilling mud technology of the petroleum industry, combining the changeable surface soil …

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