涡轮钻具由于其耐高温、高转速的特点,使其在高温和硬岩地层的钻进过程中发挥着重要的作用,并成为于热岩钻井和高温油气井钻井等领域的研究热点之一。本文从涡轮钻具的发展历程出发,对涡轮钻具的特点进行了系统地总结,从涡轮钻具的结构优化、涡轮叶片的设计与加工、轴承节的性能提升、减速涡轮钻具的研发、钻进新工艺的探索等5个方面对国内外涡轮钻具的研究进展进行了综述,发现总结了涡轮钻具研究过程中存在的一些问题,并结合我国在相关领域的实际需求,对未来我国涡轮钻具的重点研究方向提出了建议。
With the characters of high temperature resistance and high rotation speed, turbodrill plays an important role in the process of high temperature and hardpan layers drilling and has become one of the research hotspots in the areas of hot dry rock (HDR) and high temperature oil and gas well drilling. Starting from the development history of turbodrill, the ar- ticle systematically summarizes the specialties of turbodrill. The researches progress of turbodrill both in China and abroad are overviewed in stucture improvement, design and processing of blades, performance improvement for the bearing support- ing, research and development of the deceleration turbodrill and exploration of advanced drilling techniques. According to some problems found in the research on trurbodrill and combining with the actual demands in related fields in China, main researching focuses of turbodrill in the future are proposed.