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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! Dig down not long to wait - Dongguan quality trenchless pipe laying trenchless drilling rig manufacturers need to pay attention to? Dongguan Shenlong you a detailed explanation for the trenchless construction details that need attention. Non-excavation drilling or reaming when we must open the pump and to carry out water holes, and when unscrewing the drill requires timely mud pumps were shut down and stop the water supply. When using trenchless drilling rig remember not to use injury or curved drill, when trenchless drilling rig work, drilling speed should not be excessive, select the appropriate speed drilling according to geographical conditions. Drill should not not use the battery for secondary use. Trenchless drill guide down the middle of the time the receiver needs to be transferred pointer P position a few minutes, the probe into hibernation to save power, and marked the surface, not a long wait. Dongguan Dragon Main: trenchless drilling rig prices, trenchless drilling machine, trenchless pipe laying rigs, pipelaying rig, directional drilling, non-excavation machinery, rig accessories, drilling rigs and other non-excavation.