为了加速开发地下水，重点解决华北、西北等地区向深部找水、取水的问题，填补我国水文水井钻机系列中，深钻机的空白，上海探矿机械厂和勘探技术研究所根据地质部下达研制井径500毫米、井深500米 In order to speed up the development of groundwater and focus on solving the problems of water and water exploration in the deep areas of North China and Northwest China and to fill the gap between the deep drilling rigs and the deep drilling rigs in China’s hydropower and water well drilling rigs, Shanghai Prospecting Machinery Factory and Exploration Technology Research Institute 500 mm, depth of 500 meters