Based on the whole research on development status and existent problem of RWD, this paper would study the blades about the design and application of the reamer.

• 本文在全面了解随钻扩眼技术的发展状况、存在的问题以及相关研究现状的基础上，主要针对一种液压驱动式双向随钻扩眼器研究其扩眼器刀翼的设计及应用。