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由水利水电规划设计院主持的“深厚砂卵石层金刚石钻进与取样新技术”现场推广交流会,于1988年10月28日至11月3日在成都召开。参加会议的有水利水电系统有关单位的50余位代表。会议期间,成都勘测设计院的同志介绍了砂卵石层金刚石钻进与取样新技术的特点、工艺过程、操作要领及在本单位推广应用所取得的成效。新疆、北京、山西等单位的代表,介绍了推广应用砂卵石层金刚石钻进与取样新技术以及应用其他方法钻进砂卵石层的经验体会。10月30日
The forum for on-site promotion of “deep sand and gravel diamond drilling and sampling new technology” moderated by the Water Resources and Hydropower Planning and Design Institute was held in Chengdu from October 28 to November 3, 1988. More than 50 representatives of relevant units of water conservancy and hydropower systems attended the conference. During the meeting, comrades of Chengdu Survey and Design Institute introduced the characteristics of sand-gravel diamond drilling and sampling new technology, process, operation essentials and promote the use of the unit results achieved. Representatives of Xinjiang, Beijing and Shanxi introduced the experience in popularizing and applying new technologies for drilling and sampling sand and gravel diamond and drilling into the gravel layer using other methods. October 30