非开挖扩孔器在非开挖工程中用于扩大先导孔
( HDD在挖沟和挖掘不实用时使用。这种钻探技术允许一种可操纵的非开挖方式在地下钻探。）
The hole openers are used to enlarge the pilot hole in HDD engineering.
( HDD is used when trenching and excavating is not practical.This drilling technology allows for a steerable trenchless way to drill underground.)
我们生产适用于各种地层的岩石孔器，软岩石像石灰岩和砂岩，坚硬岩像花岗岩和玄武岩等。选择合适的牙 掌能够提高钻进速度和使用寿命。喷水孔的大小可根据施工中扩孔器的孔径设计。
We produce the hole openers for all kinds of formations, soft rock like limestone or sandstone, hard rocks like granite and basalt. Correct cutter selection can improve the ROP and working life. The nozzles can be designed according to different reamer size on different drilling conditions.
根据回扩力和钻杆的尺寸，我们可以定制3轮,4轮,5轮或者更多轮的岩石扩孔器。丝扣类型有多种 选择，像APl，F，FH等。
Our rock reamer can be customized with 3, 4, 5 or more rollers, depend on your pullback power and the diameter of the pipe. Our Hole openers are generally fitted with API threads, IF, FH, etc |
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