Non-excavation machinery manufacturers custom-dig-dig mechanical machinery which brand is good

Directional drilling rig pipe laying construction law and professional trenchless pipe laying drilling rig manufacturer Which horizontal directional drilling, trenchless drilling rig model, trenchless drilling rig construction, trenchless directional drilling price trenchless small rig, used trenchless drilling rig prices, trenchless drilling rig rental - Dongguan Dragon machinery for you! Domestic production rig Dragon Trenchless experienced - can greatly enhance your workload Dongguan Shenlong Machinery happy to serve you! Depending on the type of drilling formations, the ability to select directional drilling can be very different. Typically, homogeneous clay formation easiest drilling; sand layer to harder, especially when it is located below the water table or not self-stability; gravels will accelerate drilling bit wear. Standard rig without impact action or mud motor, generally does not apply or hard rock drilling sandwich, because once encountered such obstacles, the drill will be unable footage or deviate from the design trajectory. Advantages excavation directional drilling level crossing is that it is easy to reach the design depth, the coating can not easily be destroyed, to ensure the life, does not change the geological structure of the riverbed, and does not destroy the terrain on both sides of the embankment, without affecting the normal shipping and surface operations, and short duration, cost less, it is the world's most popular non-polluting environmentally friendly through methods. Please call to discuss asking price! Trenchless drilling rig works and what trenchless drilling rig factory in Dongguan trenchless technology industry, directional drilling has been a major growth area. There are many places in the world, many industries still benefit ordinary trenchless directional drilling and trenchless still understanding. Rather than excavation rig works as follows: Drilling track may be straight, it can be gradually curved. When the guide around obstacles, or crossing highways, rivers and railways, the drill direction can be adjusted. Drilling process can be emitted between pre-dug pit and receiving pit were also available at the installation site drill, drill a small angle from the surface. Most of the auxiliary hydraulic directional drilling rig crushed rock drill bit from the drill pipe pressure is applied to the rear. Usually with a slant drill, then drill a straight hole so the bit continuous rotation, while keeping the drill bit does not rotate toward some aspect when pressed, it makes drilling skew. Trenchless drilling rig works, trenchless drilling rig manufacturer, trenchless drilling rig Which is better? Dongguan Shenlong professional for you! Dragon product types, trenchless pipe laying drilling rig, models from 10T-100T please call us!