In order to improve the shortcomings of machinery blocking water pipe strings of the reservoir with high water cut and multilayer the paper has studied on multilevel packer detecting sealing and dynamic detecting pipe string .

为改进高 含水多层系油藏机械卡堵水管柱存在的不足，对多级封隔器验 封与动态检测 管柱进行了研究。

Combined Grouting Method for Water Sealing with Long Pipe and Short Pipe in Tunneling under a River The cement-sodium silicate binary slurry application in pit mines ponding construction

长短 管结合注浆 堵 水法施工过河隧道水泥&水玻璃双液浆在井矿堵水施工中的应用