Apparatus and methods for diverting a portion of the drilling fluid that flows into a drilling assembly comprise diverting the drilling fluid into the annulus of a deviated wellbore at a flow rate corresponding to a velocity that is sufficient to transport cuttings to the surface while drilling progresses....http://www.google.com/patents/US7114582?utm_source=gb-gplus-sharePatent US7114582 - Method and apparatus for removing cuttings from a deviated wellbore