1985年9月14～20日,在河南省洛阳市首次召开水利水电钻探取心及取样技术交流会。到会代表有19个单位的41人,会议收到论文27篇。这次会议旨在交流经验,推广新技术,以促进钻探取心、取样技术的发展和提高。会议期间交流的“套钻法取软弱 September 1985 September 14 to 20, held in Luoyang City, Henan Province, the first water conservancy and hydropower drilling coring and sampling technology exchange. There were 41 delegates representing 19 units, and the conference received 27 papers. The conference aims to exchange experiences and promote new technologies to promote the development of drilling coring and sampling technologies. Exchange during the meeting "set of drill method to take weak