科钻一井钻探施工技术总论

A General Introduction on the Drilling Operation and Techniques of the CCSD-1

介绍了中国第一个硬岩、深孔、连续取心钻探项目——中国大陆科学钻探工程科钻一井的钻探实施情况,涉及该井的钻探技术设计、钻孔结构和套管程序,进行取心钻进、扩孔钻进和纠斜钻进时采用的方法和技术。此外,还介绍了科钻一井的施工过程以及在钻进施工中遇到的各种技术难题和采取的解决措施、获得的主要技术经济指标。

A brief introduction on the implementation of the China＇s first deep hole, hard rock continuous coring project, CCSD - ldrilling project, is made in this article, concerning the casing program, methods and the technologies used in core drilling, hole opening and directional drilling phases. In addition, the drilling process of the CCSD - 1 and the technical problems encountered while drilling and the measures adopted to solve the problems are described, technical and economic data presented.