水电部金刚石钻进技术经济效益现场会,于1983年5月11日至17日在浙江丽水县华东院石塘工地召开。会上,华东院的经验受到欢迎和重视,该院由于领导重视,群众努力,工作扎实,器材供应及时,因此金刚石钻探推广迅速,经济效益显著,到1981年全院13台钻机已全面实现了小口径钻探,比上级机关的要求提前了两年。小口径钻探是近年来水电系统岩心钻探的重大技术改革。从去年 Ministry of MEP diamond drilling technical economic benefits will be on-site meeting, in May 11, 1983 to 17 in Lishui County, Zhejiang East China Institute Shitang site was held. At the meeting, the experience of Huadong Hospital was welcomed and valued. Due to the leaders’ attention, the mass efforts, the solid work and the timely supply of equipment, the diamond drilling was popularized rapidly and the economic benefit was remarkable. By 1981, 13 rigs in the hospital had been fully realized Small diameter drilling, higher than the requirements of the authorities two years earlier. Small-diameter drilling is a major technological innovation in core drilling of hydropower systems in recent years. From last year