? 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煤礦井下有線隨鉆測量鉆桿2019-10-01實施

作者 Ming 瀏覽 發布時間 19/09/17
NB/T10175-2019煤礦井下有線隨鉆測量鉆桿2019.10.1實施。隨鉆測量鉆桿主要用于煤礦井下定向長鉆孔、探放水鉆孔的施工,地面或坑道近水平定向工程鉆孔的施工。隨鉆測量鉆桿桿體采用摩擦焊接工藝焊接而成,鉆桿整體力學性能好,穩定性高;鉆桿接頭螺紋強度高,抗粘扣性能好;鉆桿內部接頭密封,鉆桿內部設計有信號傳輸裝置,實現孔底測量探管與孔口防爆計算機雙向實時通訊。
NB/T 10175-2019煤礦井下有線隨鉆測量鉆桿2019-10-01實施    
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