巖心管
巖(yan)(yan)心(xin)(xin)管(guan)(guan)(guan)是(shi)地質(zhi)鉆探(tan)作業中(zhong)的核心(xin)(xin)工程材(cai)料,主(zhu)要用于(yu)鉆探(tan)過(guo)程中(zhong)容納和保護巖(yan)(yan)礦心(xin)(xin)樣本。其材(cai)質(zhi)多采用DZ40合金鋼或無縫鋼管(guan)(guan)(guan)制造,外徑規(gui)格涵蓋25-168毫米,壁厚3.5-6毫米,結構包含單層(ceng)管(guan)(guan)(guan)和適用于(yu)破碎地層(ceng)的雙層(ceng)管(guan)(guan)(guan)。在操作層(ceng)面需遵循嚴禁吊打巖(yan)(yan)心(xin)(xin)管(guan)(guan)(guan)、控制回次進(jin)尺(chi)等規(gui)范,以保障巖(yan)(yan)心(xin)(xin)完整性與(yu)采取率。河(he)南濱遠機(ji)械(xie)通