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1990年9月8日上午11时,在联邦德国大陆深钻计划(KTB)主孔开工典礼上,联邦科技部(BMFT)部长H.里森胡贝尔(H.Riesenhuber)按动按钮,KTB计划的主要阶段,即主孔施工阶段宣告开始,同时宣布第五届国际会议开幕。联邦德国大陆深钻计划于1985年2月开始制定,费用由联邦科技部提供,原定为4.5亿马克,后追加到5亿马克。其目的是要在上普伐尔茨地区的结晶岩中施工一口1000～120000m的超深孔。里森胡贝尔把这个超深孔比作为“一台深入地壳的望远镜”。科学家们期望通过超深孔的施工获得关于地震预报、矿产的形成和富集、地热能的利用以及地壳的结构和动力学等方面的知识。除德国的科学家和工程师代表外,其它一些国家的政界和科学界的代表也出席了这一开钻仪式,如苏联国家科委主席、法国研究部部长、美国和捷克的政府要员以及这些国家和日本、英国的科学家们。我国地矿部派王达高级工程师和张伟工程师作为我国的代表出席了这次开工典礼,并参加了学术讨论会。
At 11 am on September 8, 1990, H.Riesenhuber, Federal Minister of Science and Technology (BMFT) Minister, pushed the button and the KTB program at the opening of the main hole of the KDB in the Federal Republic of Germany. The main phase of the construction phase of the main hole was announced, while the opening of the Fifth International Conference was announced. The Federal Republic of Germany plans to commence deep drilling in February 1985 at a cost of 450 million marks from the Federal Ministry of Science and Technology and an additional 500 million marks. Its purpose is to construct a super-deep hole of 1,000-1200,000 m into the crystalline rocks in the Upper Pavlodz region. Rasen Huber compared this ultra-deep hole to “a telescope of deep crusts.” Scientists expect to gain knowledge about earthquake prediction, the formation and enrichment of minerals, the utilization of geothermal energy, and the structure and dynamics of the crust through the construction of ultra-deep holes. In addition to representatives of German scientists and engineers, political and scientific representatives of other countries also attended the drilling ceremony, such as the chairman of the Soviet National Science and Technology Commission, the French Minister of Research, the United States and the Czech government officials and these countries And Japanese, British scientists. China's Ministry of Geology and Mineral Resources sent Wang Da, senior engineer and Zhang Wei, as representatives of our country, attended the ceremony and participated in the symposium.