NB/T 10175-2019煤矿井下有线随钻测量钻杆2019-10-01实施

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NB/T 10175-2019煤矿井下有线随钻测量钻杆2019-10-01实施

作者 Ming 浏览 发布时间 19/09/17
NB/T10175-2019煤矿井下有线随钻测量钻杆2019。10。1实施。随钻测量钻杆主要用于煤矿井下定向长钻孔、探放水钻孔的施工,地面或坑道近水平定向工程钻孔的施工。随钻测量钻杆杆体采用摩擦焊接工艺焊接而成,钻杆整体力学性能好,稳定性高;钻杆接头螺纹强度高,抗粘扣性能好;钻杆内部接头密封,钻杆内部设计有信号传输装置,实现孔底测量探管与孔口防爆计算机双向实时通讯。
NB/T 10175-2019煤矿井下有线随钻测量钻杆2019-10-01实施    
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