How many types of HDD rigs?

2025/06/25

Horizontal directional drilling rigs can be divided into many types according to different classification methods. The following are several common classification methods and types: Ⅰ. Classification by push-pull force (tonnage) Horizontal d...

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Common Problems and Solutions in the Construction Process Using HDD Machines

2025/05/22

Problems and solutions related to geological conditions 1. Unfavorable formations (such as loose sand layers, pebble layers, gravel and mud layers) These formations are unstable in structure, easy to flow and collapse when encountering wa...

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How should HDD rig construction be carried out?

2025/04/10

Ⅰ. Pilot hole drilling   1. For crossing projects with short distance, shallow burial depth, weak electromagnetic interference, and ground accessibility, it is advisable to use a cable-free guide instrument for guided drilling.  ...

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What should I do before HDD machine working?

2025/03/26

Ⅰ. Construction preparation 1. Before construction, the center line of the planned pipeline should be laid out according to the design drawings, the entry point and exit point should be determined, and the position of crossing obstacles and cros...

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