A new approach was presented to predict the cuttings transport by choosing a cuttings cell as studying object and analyzing the forces acting on a particle in different areas of eccentric annulus.

• 摘要以岩屑颗粒单元为研究对象，通过分析偏心环空各区域中岩屑颗粒的主要受力，预测岩屑颗粒的运移趋势。