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Horizontal Directional Drilling Rigs Can Lay Underground Pipelines Without Digging The Ground

Horizontal Directional Drilling Rigs Can Lay Underground Pipelines Without Digging The Ground

We often find that roads are often dug up in the cities where we live. Whether it’s a newly built road or a road that has been used for a period of time, we always feel that the roads around the place of residence are not complete. They are excavating and repairing every day to allow travel at all. It …

Horizontal Directional Drilling And Construction Characteristics

Horizontal Directional Drilling And Construction Characteristics

1. What is horizontal directional drilling? Horizontal directional drilling rig is a construction machine that lays a variety of underground utilities (pipes, cables, etc.) without excavating the ground surface. It is widely used in flexible pipelines such as water supply, electricity, telecommunications, natural gas, gas, and oil. During paving construction, it is suitable for sand, clay, and other ground conditions, …

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11 Technical Difficulties In Horizontal Drilling

Trenchless construction: 11 technical difficulties of horizontal drilling 1. Stuck drill Stuck drilling is a common technical difficulty in hole reaming. In case of stuck drilling, analyze the cause and deal with it. 1. When colliding with the underground pipeline, the drill bit is stuck, the drill bit is pulled out, the drill pipe is pulled back, the drill rig …

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Choose A Good Classification When Buying A Horizontal Directional Drilling Rig

In the classification of horizontal directional drilling rigs, this hydraulic type and the pipe jacking of the earth pressure balance type are both very good practices when they are used. When people use them rationally, they can indeed bring better results. Some good advantages, this classification can be better used according to the distinguishing aspects of people’s use, so people …

Track Line Design Of Trenchless Drilling Rig

Track Line Design Of Trenchless Drilling Rig

In the directional drilling process of trenchless drilling rigs, the drill bit moves in two ways, reverse drilling and only pushing. When reverse drilling, the direction does not change, and the orbit line is a straight line; when pushing, the law changes, and the orbit force is in the underground space curve. In this way, the entire drilling track is …

How To Use And Maintain The Mud Pump For Directional Drilling?

How To Use And Maintain The Mud Pump For Directional Drilling?

1. Overview of mud pumps 1. Introduction The mud pump is a reciprocating plunger pump, which converts the rotation of the motor into the reciprocating linear movement of the crosshead and the piston through the crank connecting rod mechanism, and compresses the low-pressure mud into high-pressure mud. During the construction of directional drilling, the high-viscosity, high-density and high-sand-content mud is …

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What If The Horizontal Directional Drilling Rig Wades Through The Water?

If extreme weather is encountered during trenchless construction, what should be done after the horizontal directional drill is wading through the water? First check the integrity of the machine: observe a few more times around the machine to see if any parts are missing; if there is any blockage of foreign matter; if there is water. In particular, the foreign …

Horizontal Directional Drilling Is An Intuitive Means Of Geological Survey

Horizontal Directional Drilling Is An Intuitive Means Of Geological Survey

Horizontal directional drilling technology combines traditional geological survey core technology with horizontal directional drilling technology, supplemented by in-hole testing technology, which can intuitively and accurately understand the adverse geological conditions in front of the tunnel head. At present, this technology has been applied in the geological survey of tunnels at home and abroad, but it also has disadvantages such as …

Principle of Trenchless Horizontal Directional Drilling

Principle of Trenchless Horizontal Directional Drilling

Modern trenchless construction technology originated in Japan, the United Kingdom and the United States in the late 1960s. Due to its technical advantages, it has been widely promoted all over the world. In 1986, the International Association for Trenchless Technology (ISTT) was established in London. -International Society for Trenchless technology). Trenchless construction techniques mainly include horizontal directional drilling construction and …

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Key Points of HDD Machine Mud Blending

A successful trenchless project requires not only high-performance equipment, but also construction skills. Among them, the mud deployment is very important. The mud mixing determines the success of the wall fixing and whether the drill pipe of HDD MACHINE can rotate smoothly. The following introduces some special geological mud mixing tips.1. Clay When the underground soil meets the clay, it …

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    Wuhan Yichao Technology Equipment Co., Ltd. is a professional supplier of horizontal directional drilling rigs. We are XCMG authorized distributor and has nearly 10 years of trenchless pipeline experience.

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