在大量数据分析的基础上展示了60年钻井工作量、进尺和钻井队伍的发展历程；详细地介绍了中国钻井技术在定向井、水平井、欠平衡与气体钻井、深井钻井、钻井装备、井控、提速提效等方面取得的巨大进步；阐述了中国钻井由经验钻井发展到科学化钻井与最优化钻井的发展历程。针对我国油气勘探和开发对钻井技术的主要需求，简要论述了钻井关键技术的发展趋势。

In this paper, based on data analysis,the development process of 60-year drilling workload, footage and drilling team was shown. The tremendous progresses of China's drilling technology, including directional well drilling, horizontal well drilling, underbalanced and gas drilling, deep well drilling, drilling equipment and well control technologies are described in detail. Drilling experience, scientific drilling, drilling optimization described the evolution developing process of China's drilling technology. According to the main demand of drilling technology in oil and gas exploration and development, it briefly discussed the key technologies trends.