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SDY-600型全液压动力头水文水井钻机是由地矿部勘探技术研究所和上海探矿机械厂根据发达国家水文水井钻机现状与发展趋势，结合我国水文水井钻探的实际情况，联合研制成功的一种机械化程度较高的多功能的水文水井钻机。该钻机的研制目的是能够使用泥浆正循环钻进方法和气举反循环钻进方法，以解决部分复杂地层钻进难点以及增加钻机对不同岩层钻进的适应性；钻机本身机械化程度要高，要能减轻操作人员的体力劳动强度。该钻机试制成功后。先后由北京水文地质公司和江苏省第一水文队进行了3口水井钻进的试验，于1986年12月在南京通过了部级鉴定。图1是SDY-600型钻机外貌。
SDY-600 full hydraulic power head hydro-water well drilling rig by the Ministry of Geology and Mineral Resources Exploration Institute of Technology and Shanghai Prospecting Machinery Factory in developed countries based on the current status and development trend of hydropower wells drilling, combined with the actual situation of our country’s hydro-wells drilling, joint development of a successful A high degree of mechanization of multi-functional hydrological well drilling rig. The purpose of the drilling rig is to be able to use the positive circulation drilling mud circulation method and the gas lift reverse circulation drilling method to solve part of the difficulties of complex formation drilling and drilling rigs to increase the adaptability of different strata; drilling machine itself to a higher degree of mechanization, to Can reduce the physical strength of the operator. After successful trial of the rig. Successively by the Beijing Hydrogeological Company and Jiangsu First Hydrographic Team conducted a three wells drilling test, in December 1986 in Nanjing passed the ministerial identification. Figure 1 is SDY-600 drilling rig appearance.