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钻孔弯曲度是岩心钻探质量指标之一。钻进易斜地层，因钻孔弯曲度超差而降低了优质孔率，是目前岩心钻探一个难题。为解决这个难题，地质部探矿司和勘探技术情报网于一九八一年十月八日至十三日在福州召开了定向钻进技术情报调研会。参加会议的有全国地质系统各地质局、队以及科研、院校、厂的代表，化工部有关同志应邀莅会，共84人。会议收到资料37篇，其中实践经验23篇，科研成果7篇，国外资料7篇。27位同志在会上发了言，地院李世忠教授就开展定向钻进问题作了报告。通过这次会议，对国内外当前定向钻
Drilling curvature is one of the core drilling quality indicators. Drilling into the inclined stratum, due to over-tolerance of the drilling to reduce the high quality porosity, is a core problem of drilling. In order to solve this problem, the Geological Exploration Bureau and the Exploration Technology Information Network held a research conference on directional drilling technology information in Fuzhou from October 8 to January 13, Attending the meeting were representatives from various geological institutions and teams of the geological system of the country, as well as representatives of scientific research institutes, colleges and factories and relevant departments of the Ministry of Chemical Industry. 84 people were invited to attend the meeting. The conference received 37 articles, including 23 practical experiences, 7 scientific research achievements and 7 foreign materials. Twenty-seven comrades made speeches at the conference. Professor Li Shizhong of the Court made a report on the issue of directional drilling. Through this meeting, the current directional drilling at home and abroad