The current steering systems for horizontal directional drilling include hand-held tracking systems and cabled steering systems. The former is economical and easy to use, but it requires operators to directly reach the ground above the drill bit, which is susceptible to the limitations of terrain, electromagnetic interference and detection depth, and is mostly used on small and medium rigs; the latter can span any terrain and is not subject to electromagnetic interference, but Complex, cumbersome to use, low efficiency, high price.
The horizontal directional drilling mud system is composed of the on-board mud system and the mud mixing system; the mud mixing system is used for mud mixing, mixing, and providing mud to the on-board mud system. The on-board mud system pressurizes the mud, passes through the power head, and drills. The rod and drill bit are driven into the hole to stabilize the hole wall, reduce the turning torque and the resistance of the tube, and cool the drill bit. Launch the probe to remove soil debris from drilling.
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